1/*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2006-2014 QLogic Corporation 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS' 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 26 * THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#include <sys/cdefs.h> 30/* 31 * The following controllers are supported by this driver: 32 * BCM5706C A2, A3 33 * BCM5706S A2, A3 34 * BCM5708C B1, B2 35 * BCM5708S B1, B2 36 * BCM5709C A1, C0 37 * BCM5709S A1, C0 38 * BCM5716C C0 39 * BCM5716S C0 40 * 41 * The following controllers are not supported by this driver: 42 * BCM5706C A0, A1 (pre-production) 43 * BCM5706S A0, A1 (pre-production) 44 * BCM5708C A0, B0 (pre-production) 45 * BCM5708S A0, B0 (pre-production) 46 * BCM5709C A0 B0, B1, B2 (pre-production) 47 * BCM5709S A0, B0, B1, B2 (pre-production) 48 */ 49 50#include "opt_bce.h" 51 52#include <sys/param.h> 53#include <sys/endian.h> 54#include <sys/systm.h> 55#include <sys/sockio.h> 56#include <sys/lock.h> 57#include <sys/mbuf.h> 58#include <sys/malloc.h> 59#include <sys/mutex.h> 60#include <sys/kernel.h> 61#include <sys/module.h> 62#include <sys/socket.h> 63#include <sys/sysctl.h> 64#include <sys/queue.h> 65 66#include <net/bpf.h> 67#include <net/ethernet.h> 68#include <net/if.h> 69#include <net/if_var.h> 70#include <net/if_arp.h> 71#include <net/if_dl.h> 72#include <net/if_media.h> 73 74#include <net/if_types.h> 75#include <net/if_vlan_var.h> 76 77#include <netinet/in_systm.h> 78#include <netinet/in.h> 79#include <netinet/if_ether.h> 80#include <netinet/ip.h> 81#include <netinet/ip6.h> 82#include <netinet/tcp.h> 83#include <netinet/udp.h> 84 85#include <machine/bus.h> 86#include <machine/resource.h> 87#include <sys/bus.h> 88#include <sys/rman.h> 89 90#include <dev/mii/mii.h> 91#include <dev/mii/miivar.h> 92#include "miidevs.h" 93#include <dev/mii/brgphyreg.h> 94 95#include <dev/pci/pcireg.h> 96#include <dev/pci/pcivar.h> 97 98#include "miibus_if.h" 99 100#include <dev/bce/if_bcereg.h> 101#include <dev/bce/if_bcefw.h> 102 103/****************************************************************************/ 104/* BCE Debug Options */ 105/****************************************************************************/ 106#ifdef BCE_DEBUG 107 u32 bce_debug = BCE_WARN; 108 109 /* 0 = Never */ 110 /* 1 = 1 in 2,147,483,648 */ 111 /* 256 = 1 in 8,388,608 */ 112 /* 2048 = 1 in 1,048,576 */ 113 /* 65536 = 1 in 32,768 */ 114 /* 1048576 = 1 in 2,048 */ 115 /* 268435456 = 1 in 8 */ 116 /* 536870912 = 1 in 4 */ 117 /* 1073741824 = 1 in 2 */ 118 119 /* Controls how often the l2_fhdr frame error check will fail. */ 120 int l2fhdr_error_sim_control = 0; 121 122 /* Controls how often the unexpected attention check will fail. */ 123 int unexpected_attention_sim_control = 0; 124 125 /* Controls how often to simulate an mbuf allocation failure. */ 126 int mbuf_alloc_failed_sim_control = 0; 127 128 /* Controls how often to simulate a DMA mapping failure. */ 129 int dma_map_addr_failed_sim_control = 0; 130 131 /* Controls how often to simulate a bootcode failure. */ 132 int bootcode_running_failure_sim_control = 0; 133#endif 134 135/****************************************************************************/ 136/* PCI Device ID Table */ 137/* */ 138/* Used by bce_probe() to identify the devices supported by this driver. */ 139/****************************************************************************/ 140#define BCE_DEVDESC_MAX 64 141 142static const struct bce_type bce_devs[] = { 143 /* BCM5706C Controllers and OEM boards. */ 144 { BRCM_VENDORID, BRCM_DEVICEID_BCM5706, HP_VENDORID, 0x3101, 145 "HP NC370T Multifunction Gigabit Server Adapter" }, 146 { BRCM_VENDORID, BRCM_DEVICEID_BCM5706, HP_VENDORID, 0x3106, 147 "HP NC370i Multifunction Gigabit Server Adapter" }, 148 { BRCM_VENDORID, BRCM_DEVICEID_BCM5706, HP_VENDORID, 0x3070, 149 "HP NC380T PCIe DP Multifunc Gig Server Adapter" }, 150 { BRCM_VENDORID, BRCM_DEVICEID_BCM5706, HP_VENDORID, 0x1709, 151 "HP NC371i Multifunction Gigabit Server Adapter" }, 152 { BRCM_VENDORID, BRCM_DEVICEID_BCM5706, PCI_ANY_ID, PCI_ANY_ID, 153 "QLogic NetXtreme II BCM5706 1000Base-T" }, 154 155 /* BCM5706S controllers and OEM boards. */ 156 { BRCM_VENDORID, BRCM_DEVICEID_BCM5706S, HP_VENDORID, 0x3102, 157 "HP NC370F Multifunction Gigabit Server Adapter" }, 158 { BRCM_VENDORID, BRCM_DEVICEID_BCM5706S, PCI_ANY_ID, PCI_ANY_ID, 159 "QLogic NetXtreme II BCM5706 1000Base-SX" }, 160 161 /* BCM5708C controllers and OEM boards. */ 162 { BRCM_VENDORID, BRCM_DEVICEID_BCM5708, HP_VENDORID, 0x7037, 163 "HP NC373T PCIe Multifunction Gig Server Adapter" }, 164 { BRCM_VENDORID, BRCM_DEVICEID_BCM5708, HP_VENDORID, 0x7038, 165 "HP NC373i Multifunction Gigabit Server Adapter" }, 166 { BRCM_VENDORID, BRCM_DEVICEID_BCM5708, HP_VENDORID, 0x7045, 167 "HP NC374m PCIe Multifunction Adapter" }, 168 { BRCM_VENDORID, BRCM_DEVICEID_BCM5708, PCI_ANY_ID, PCI_ANY_ID, 169 "QLogic NetXtreme II BCM5708 1000Base-T" }, 170 171 /* BCM5708S controllers and OEM boards. */ 172 { BRCM_VENDORID, BRCM_DEVICEID_BCM5708S, HP_VENDORID, 0x1706, 173 "HP NC373m Multifunction Gigabit Server Adapter" }, 174 { BRCM_VENDORID, BRCM_DEVICEID_BCM5708S, HP_VENDORID, 0x703b, 175 "HP NC373i Multifunction Gigabit Server Adapter" }, 176 { BRCM_VENDORID, BRCM_DEVICEID_BCM5708S, HP_VENDORID, 0x703d, 177 "HP NC373F PCIe Multifunc Giga Server Adapter" }, 178 { BRCM_VENDORID, BRCM_DEVICEID_BCM5708S, PCI_ANY_ID, PCI_ANY_ID, 179 "QLogic NetXtreme II BCM5708 1000Base-SX" }, 180 181 /* BCM5709C controllers and OEM boards. */ 182 { BRCM_VENDORID, BRCM_DEVICEID_BCM5709, HP_VENDORID, 0x7055, 183 "HP NC382i DP Multifunction Gigabit Server Adapter" }, 184 { BRCM_VENDORID, BRCM_DEVICEID_BCM5709, HP_VENDORID, 0x7059, 185 "HP NC382T PCIe DP Multifunction Gigabit Server Adapter" }, 186 { BRCM_VENDORID, BRCM_DEVICEID_BCM5709, PCI_ANY_ID, PCI_ANY_ID, 187 "QLogic NetXtreme II BCM5709 1000Base-T" }, 188 189 /* BCM5709S controllers and OEM boards. */ 190 { BRCM_VENDORID, BRCM_DEVICEID_BCM5709S, HP_VENDORID, 0x171d, 191 "HP NC382m DP 1GbE Multifunction BL-c Adapter" }, 192 { BRCM_VENDORID, BRCM_DEVICEID_BCM5709S, HP_VENDORID, 0x7056, 193 "HP NC382i DP Multifunction Gigabit Server Adapter" }, 194 { BRCM_VENDORID, BRCM_DEVICEID_BCM5709S, PCI_ANY_ID, PCI_ANY_ID, 195 "QLogic NetXtreme II BCM5709 1000Base-SX" }, 196 197 /* BCM5716 controllers and OEM boards. */ 198 { BRCM_VENDORID, BRCM_DEVICEID_BCM5716, PCI_ANY_ID, PCI_ANY_ID, 199 "QLogic NetXtreme II BCM5716 1000Base-T" }, 200 { 0, 0, 0, 0, NULL } 201}; 202 203/****************************************************************************/ 204/* Supported Flash NVRAM device data. */ 205/****************************************************************************/ 206static const struct flash_spec flash_table[] = 207{ 208#define BUFFERED_FLAGS (BCE_NV_BUFFERED | BCE_NV_TRANSLATE) 209#define NONBUFFERED_FLAGS (BCE_NV_WREN) 210 211 /* Slow EEPROM */ 212 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400, 213 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE, 214 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE, 215 "EEPROM - slow"}, 216 /* Expansion entry 0001 */ 217 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406, 218 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 219 SAIFUN_FLASH_BYTE_ADDR_MASK, 0, 220 "Entry 0001"}, 221 /* Saifun SA25F010 (non-buffered flash) */ 222 /* strap, cfg1, & write1 need updates */ 223 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406, 224 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 225 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2, 226 "Non-buffered flash (128kB)"}, 227 /* Saifun SA25F020 (non-buffered flash) */ 228 /* strap, cfg1, & write1 need updates */ 229 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406, 230 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 231 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4, 232 "Non-buffered flash (256kB)"}, 233 /* Expansion entry 0100 */ 234 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406, 235 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 236 SAIFUN_FLASH_BYTE_ADDR_MASK, 0, 237 "Entry 0100"}, 238 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */ 239 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406, 240 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE, 241 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2, 242 "Entry 0101: ST M45PE10 (128kB non-buffered)"}, 243 /* Entry 0110: ST M45PE20 (non-buffered flash)*/ 244 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406, 245 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE, 246 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4, 247 "Entry 0110: ST M45PE20 (256kB non-buffered)"}, 248 /* Saifun SA25F005 (non-buffered flash) */ 249 /* strap, cfg1, & write1 need updates */ 250 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406, 251 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 252 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE, 253 "Non-buffered flash (64kB)"}, 254 /* Fast EEPROM */ 255 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400, 256 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE, 257 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE, 258 "EEPROM - fast"}, 259 /* Expansion entry 1001 */ 260 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406, 261 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 262 SAIFUN_FLASH_BYTE_ADDR_MASK, 0, 263 "Entry 1001"}, 264 /* Expansion entry 1010 */ 265 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406, 266 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 267 SAIFUN_FLASH_BYTE_ADDR_MASK, 0, 268 "Entry 1010"}, 269 /* ATMEL AT45DB011B (buffered flash) */ 270 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400, 271 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE, 272 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE, 273 "Buffered flash (128kB)"}, 274 /* Expansion entry 1100 */ 275 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406, 276 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 277 SAIFUN_FLASH_BYTE_ADDR_MASK, 0, 278 "Entry 1100"}, 279 /* Expansion entry 1101 */ 280 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406, 281 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, 282 SAIFUN_FLASH_BYTE_ADDR_MASK, 0, 283 "Entry 1101"}, 284 /* Ateml Expansion entry 1110 */ 285 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400, 286 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE, 287 BUFFERED_FLASH_BYTE_ADDR_MASK, 0, 288 "Entry 1110 (Atmel)"}, 289 /* ATMEL AT45DB021B (buffered flash) */ 290 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400, 291 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE, 292 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2, 293 "Buffered flash (256kB)"}, 294}; 295 296/* 297 * The BCM5709 controllers transparently handle the 298 * differences between Atmel 264 byte pages and all 299 * flash devices which use 256 byte pages, so no 300 * logical-to-physical mapping is required in the 301 * driver. 302 */ 303static const struct flash_spec flash_5709 = { 304 .flags = BCE_NV_BUFFERED, 305 .page_bits = BCM5709_FLASH_PAGE_BITS, 306 .page_size = BCM5709_FLASH_PAGE_SIZE, 307 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK, 308 .total_size = BUFFERED_FLASH_TOTAL_SIZE * 2, 309 .name = "5709/5716 buffered flash (256kB)", 310}; 311 312/****************************************************************************/ 313/* FreeBSD device entry points. */ 314/****************************************************************************/ 315static int bce_probe (device_t); 316static int bce_attach (device_t); 317static int bce_detach (device_t); 318static int bce_shutdown (device_t); 319 320/****************************************************************************/ 321/* BCE Debug Data Structure Dump Routines */ 322/****************************************************************************/ 323#ifdef BCE_DEBUG 324static u32 bce_reg_rd (struct bce_softc *, u32); 325static void bce_reg_wr (struct bce_softc *, u32, u32); 326static void bce_reg_wr16 (struct bce_softc *, u32, u16); 327static u32 bce_ctx_rd (struct bce_softc *, u32, u32); 328static void bce_dump_enet (struct bce_softc *, struct mbuf *); 329static void bce_dump_mbuf (struct bce_softc *, struct mbuf *); 330static void bce_dump_tx_mbuf_chain (struct bce_softc *, u16, int); 331static void bce_dump_rx_mbuf_chain (struct bce_softc *, u16, int); 332static void bce_dump_pg_mbuf_chain (struct bce_softc *, u16, int); 333static void bce_dump_txbd (struct bce_softc *, 334 int, struct tx_bd *); 335static void bce_dump_rxbd (struct bce_softc *, 336 int, struct rx_bd *); 337static void bce_dump_pgbd (struct bce_softc *, 338 int, struct rx_bd *); 339static void bce_dump_l2fhdr (struct bce_softc *, 340 int, struct l2_fhdr *); 341static void bce_dump_ctx (struct bce_softc *, u16); 342static void bce_dump_ftqs (struct bce_softc *); 343static void bce_dump_tx_chain (struct bce_softc *, u16, int); 344static void bce_dump_rx_bd_chain (struct bce_softc *, u16, int); 345static void bce_dump_pg_chain (struct bce_softc *, u16, int); 346static void bce_dump_status_block (struct bce_softc *); 347static void bce_dump_stats_block (struct bce_softc *); 348static void bce_dump_driver_state (struct bce_softc *); 349static void bce_dump_hw_state (struct bce_softc *); 350static void bce_dump_shmem_state (struct bce_softc *); 351static void bce_dump_mq_regs (struct bce_softc *); 352static void bce_dump_bc_state (struct bce_softc *); 353static void bce_dump_txp_state (struct bce_softc *, int); 354static void bce_dump_rxp_state (struct bce_softc *, int); 355static void bce_dump_tpat_state (struct bce_softc *, int); 356static void bce_dump_cp_state (struct bce_softc *, int); 357static void bce_dump_com_state (struct bce_softc *, int); 358static void bce_dump_rv2p_state (struct bce_softc *); 359static void bce_breakpoint (struct bce_softc *); 360#endif /*BCE_DEBUG */ 361 362/****************************************************************************/ 363/* BCE Register/Memory Access Routines */ 364/****************************************************************************/ 365static u32 bce_reg_rd_ind (struct bce_softc *, u32); 366static void bce_reg_wr_ind (struct bce_softc *, u32, u32); 367static void bce_shmem_wr (struct bce_softc *, u32, u32); 368static u32 bce_shmem_rd (struct bce_softc *, u32); 369static void bce_ctx_wr (struct bce_softc *, u32, u32, u32); 370static int bce_miibus_read_reg (device_t, int, int); 371static int bce_miibus_write_reg (device_t, int, int, int); 372static void bce_miibus_statchg (device_t); 373 374#ifdef BCE_DEBUG 375static int bce_sysctl_nvram_dump(SYSCTL_HANDLER_ARGS); 376#ifdef BCE_NVRAM_WRITE_SUPPORT 377static int bce_sysctl_nvram_write(SYSCTL_HANDLER_ARGS); 378#endif 379#endif 380 381/****************************************************************************/ 382/* BCE NVRAM Access Routines */ 383/****************************************************************************/ 384static int bce_acquire_nvram_lock (struct bce_softc *); 385static int bce_release_nvram_lock (struct bce_softc *); 386static void bce_enable_nvram_access(struct bce_softc *); 387static void bce_disable_nvram_access(struct bce_softc *); 388static int bce_nvram_read_dword (struct bce_softc *, u32, u8 *, u32); 389static int bce_init_nvram (struct bce_softc *); 390static int bce_nvram_read (struct bce_softc *, u32, u8 *, int); 391static int bce_nvram_test (struct bce_softc *); 392#ifdef BCE_NVRAM_WRITE_SUPPORT 393static int bce_enable_nvram_write (struct bce_softc *); 394static void bce_disable_nvram_write(struct bce_softc *); 395static int bce_nvram_erase_page (struct bce_softc *, u32); 396static int bce_nvram_write_dword (struct bce_softc *, u32, u8 *, u32); 397static int bce_nvram_write (struct bce_softc *, u32, u8 *, int); 398#endif 399 400/****************************************************************************/ 401/* */ 402/****************************************************************************/ 403static void bce_get_rx_buffer_sizes(struct bce_softc *, int); 404static void bce_get_media (struct bce_softc *); 405static void bce_init_media (struct bce_softc *); 406static u32 bce_get_rphy_link (struct bce_softc *); 407static void bce_dma_map_addr (void *, bus_dma_segment_t *, int, int); 408static int bce_dma_alloc (device_t); 409static void bce_dma_free (struct bce_softc *); 410static void bce_release_resources (struct bce_softc *); 411 412/****************************************************************************/ 413/* BCE Firmware Synchronization and Load */ 414/****************************************************************************/ 415static void bce_fw_cap_init (struct bce_softc *); 416static int bce_fw_sync (struct bce_softc *, u32); 417static void bce_load_rv2p_fw (struct bce_softc *, const u32 *, u32, 418 u32); 419static void bce_load_cpu_fw (struct bce_softc *, 420 struct cpu_reg *, struct fw_info *); 421static void bce_start_cpu (struct bce_softc *, struct cpu_reg *); 422static void bce_halt_cpu (struct bce_softc *, struct cpu_reg *); 423static void bce_start_rxp_cpu (struct bce_softc *); 424static void bce_init_rxp_cpu (struct bce_softc *); 425static void bce_init_txp_cpu (struct bce_softc *); 426static void bce_init_tpat_cpu (struct bce_softc *); 427static void bce_init_cp_cpu (struct bce_softc *); 428static void bce_init_com_cpu (struct bce_softc *); 429static void bce_init_cpus (struct bce_softc *); 430 431static void bce_print_adapter_info (struct bce_softc *); 432static void bce_probe_pci_caps (device_t, struct bce_softc *); 433static void bce_stop (struct bce_softc *); 434static int bce_reset (struct bce_softc *, u32); 435static int bce_chipinit (struct bce_softc *); 436static int bce_blockinit (struct bce_softc *); 437 438static int bce_init_tx_chain (struct bce_softc *); 439static void bce_free_tx_chain (struct bce_softc *); 440 441static int bce_get_rx_buf (struct bce_softc *, u16, u16, u32 *); 442static int bce_init_rx_chain (struct bce_softc *); 443static void bce_fill_rx_chain (struct bce_softc *); 444static void bce_free_rx_chain (struct bce_softc *); 445 446static int bce_get_pg_buf (struct bce_softc *, u16, u16); 447static int bce_init_pg_chain (struct bce_softc *); 448static void bce_fill_pg_chain (struct bce_softc *); 449static void bce_free_pg_chain (struct bce_softc *); 450 451static struct mbuf *bce_tso_setup (struct bce_softc *, 452 struct mbuf **, u16 *); 453static int bce_tx_encap (struct bce_softc *, struct mbuf **); 454static void bce_start_locked (if_t); 455static void bce_start (if_t); 456static int bce_ioctl (if_t, u_long, caddr_t); 457static uint64_t bce_get_counter (if_t, ift_counter); 458static void bce_watchdog (struct bce_softc *); 459static int bce_ifmedia_upd (if_t); 460static int bce_ifmedia_upd_locked (if_t); 461static void bce_ifmedia_sts (if_t, struct ifmediareq *); 462static void bce_ifmedia_sts_rphy (struct bce_softc *, struct ifmediareq *); 463static void bce_init_locked (struct bce_softc *); 464static void bce_init (void *); 465static void bce_mgmt_init_locked (struct bce_softc *sc); 466 467static int bce_init_ctx (struct bce_softc *); 468static void bce_get_mac_addr (struct bce_softc *); 469static void bce_set_mac_addr (struct bce_softc *); 470static void bce_phy_intr (struct bce_softc *); 471static inline u16 bce_get_hw_rx_cons (struct bce_softc *); 472static void bce_rx_intr (struct bce_softc *); 473static void bce_tx_intr (struct bce_softc *); 474static void bce_disable_intr (struct bce_softc *); 475static void bce_enable_intr (struct bce_softc *, int); 476 477static void bce_intr (void *); 478static void bce_set_rx_mode (struct bce_softc *); 479static void bce_stats_update (struct bce_softc *); 480static void bce_tick (void *); 481static void bce_pulse (void *); 482static void bce_add_sysctls (struct bce_softc *); 483 484/****************************************************************************/ 485/* FreeBSD device dispatch table. */ 486/****************************************************************************/ 487static device_method_t bce_methods[] = { 488 /* Device interface (device_if.h) */ 489 DEVMETHOD(device_probe, bce_probe), 490 DEVMETHOD(device_attach, bce_attach), 491 DEVMETHOD(device_detach, bce_detach), 492 DEVMETHOD(device_shutdown, bce_shutdown), 493/* Supported by device interface but not used here. */ 494/* DEVMETHOD(device_identify, bce_identify), */ 495/* DEVMETHOD(device_suspend, bce_suspend), */ 496/* DEVMETHOD(device_resume, bce_resume), */ 497/* DEVMETHOD(device_quiesce, bce_quiesce), */ 498 499 /* MII interface (miibus_if.h) */ 500 DEVMETHOD(miibus_readreg, bce_miibus_read_reg), 501 DEVMETHOD(miibus_writereg, bce_miibus_write_reg), 502 DEVMETHOD(miibus_statchg, bce_miibus_statchg), 503/* Supported by MII interface but not used here. */ 504/* DEVMETHOD(miibus_linkchg, bce_miibus_linkchg), */ 505/* DEVMETHOD(miibus_mediainit, bce_miibus_mediainit), */ 506 507 DEVMETHOD_END 508}; 509 510static driver_t bce_driver = { 511 "bce", 512 bce_methods, 513 sizeof(struct bce_softc) 514}; 515 516MODULE_DEPEND(bce, pci, 1, 1, 1); 517MODULE_DEPEND(bce, ether, 1, 1, 1); 518MODULE_DEPEND(bce, miibus, 1, 1, 1); 519 520DRIVER_MODULE(bce, pci, bce_driver, NULL, NULL); 521DRIVER_MODULE(miibus, bce, miibus_driver, NULL, NULL); 522MODULE_PNP_INFO("U16:vendor;U16:device;U16:#;U16:#;D:#", pci, bce, 523 bce_devs, nitems(bce_devs) - 1); 524 525/****************************************************************************/ 526/* Tunable device values */ 527/****************************************************************************/ 528static SYSCTL_NODE(_hw, OID_AUTO, bce, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 529 "bce driver parameters"); 530 531/* Allowable values are TRUE or FALSE */ 532static int bce_verbose = TRUE; 533SYSCTL_INT(_hw_bce, OID_AUTO, verbose, CTLFLAG_RDTUN, &bce_verbose, 0, 534 "Verbose output enable/disable"); 535 536/* Allowable values are TRUE or FALSE */ 537static int bce_tso_enable = TRUE; 538SYSCTL_INT(_hw_bce, OID_AUTO, tso_enable, CTLFLAG_RDTUN, &bce_tso_enable, 0, 539 "TSO Enable/Disable"); 540 541/* Allowable values are 0 (IRQ), 1 (MSI/IRQ), and 2 (MSI-X/MSI/IRQ) */ 542/* ToDo: Add MSI-X support. */ 543static int bce_msi_enable = 1; 544SYSCTL_INT(_hw_bce, OID_AUTO, msi_enable, CTLFLAG_RDTUN, &bce_msi_enable, 0, 545 "MSI-X|MSI|INTx selector"); 546 547/* Allowable values are 1, 2, 4, 8. */ 548static int bce_rx_pages = DEFAULT_RX_PAGES; 549SYSCTL_UINT(_hw_bce, OID_AUTO, rx_pages, CTLFLAG_RDTUN, &bce_rx_pages, 0, 550 "Receive buffer descriptor pages (1 page = 255 buffer descriptors)"); 551 552/* Allowable values are 1, 2, 4, 8. */ 553static int bce_tx_pages = DEFAULT_TX_PAGES; 554SYSCTL_UINT(_hw_bce, OID_AUTO, tx_pages, CTLFLAG_RDTUN, &bce_tx_pages, 0, 555 "Transmit buffer descriptor pages (1 page = 255 buffer descriptors)"); 556 557/* Allowable values are TRUE or FALSE. */ 558static int bce_hdr_split = TRUE; 559SYSCTL_UINT(_hw_bce, OID_AUTO, hdr_split, CTLFLAG_RDTUN, &bce_hdr_split, 0, 560 "Frame header/payload splitting Enable/Disable"); 561 562/* Allowable values are TRUE or FALSE. */ 563static int bce_strict_rx_mtu = FALSE; 564SYSCTL_UINT(_hw_bce, OID_AUTO, strict_rx_mtu, CTLFLAG_RDTUN, 565 &bce_strict_rx_mtu, 0, 566 "Enable/Disable strict RX frame size checking"); 567 568/* Allowable values are 0 ... 100 */ 569#ifdef BCE_DEBUG 570/* Generate 1 interrupt for every transmit completion. */ 571static int bce_tx_quick_cons_trip_int = 1; 572#else 573/* Generate 1 interrupt for every 20 transmit completions. */ 574static int bce_tx_quick_cons_trip_int = DEFAULT_TX_QUICK_CONS_TRIP_INT; 575#endif 576SYSCTL_UINT(_hw_bce, OID_AUTO, tx_quick_cons_trip_int, CTLFLAG_RDTUN, 577 &bce_tx_quick_cons_trip_int, 0, 578 "Transmit BD trip point during interrupts"); 579 580/* Allowable values are 0 ... 100 */ 581/* Generate 1 interrupt for every transmit completion. */ 582#ifdef BCE_DEBUG 583static int bce_tx_quick_cons_trip = 1; 584#else 585/* Generate 1 interrupt for every 20 transmit completions. */ 586static int bce_tx_quick_cons_trip = DEFAULT_TX_QUICK_CONS_TRIP; 587#endif 588SYSCTL_UINT(_hw_bce, OID_AUTO, tx_quick_cons_trip, CTLFLAG_RDTUN, 589 &bce_tx_quick_cons_trip, 0, 590 "Transmit BD trip point"); 591 592/* Allowable values are 0 ... 100 */ 593#ifdef BCE_DEBUG 594/* Generate an interrupt if 0us have elapsed since the last TX completion. */ 595static int bce_tx_ticks_int = 0; 596#else 597/* Generate an interrupt if 80us have elapsed since the last TX completion. */ 598static int bce_tx_ticks_int = DEFAULT_TX_TICKS_INT; 599#endif 600SYSCTL_UINT(_hw_bce, OID_AUTO, tx_ticks_int, CTLFLAG_RDTUN, 601 &bce_tx_ticks_int, 0, "Transmit ticks count during interrupt"); 602 603/* Allowable values are 0 ... 100 */ 604#ifdef BCE_DEBUG 605/* Generate an interrupt if 0us have elapsed since the last TX completion. */ 606static int bce_tx_ticks = 0; 607#else 608/* Generate an interrupt if 80us have elapsed since the last TX completion. */ 609static int bce_tx_ticks = DEFAULT_TX_TICKS; 610#endif 611SYSCTL_UINT(_hw_bce, OID_AUTO, tx_ticks, CTLFLAG_RDTUN, 612 &bce_tx_ticks, 0, "Transmit ticks count"); 613 614/* Allowable values are 1 ... 100 */ 615#ifdef BCE_DEBUG 616/* Generate 1 interrupt for every received frame. */ 617static int bce_rx_quick_cons_trip_int = 1; 618#else 619/* Generate 1 interrupt for every 6 received frames. */ 620static int bce_rx_quick_cons_trip_int = DEFAULT_RX_QUICK_CONS_TRIP_INT; 621#endif 622SYSCTL_UINT(_hw_bce, OID_AUTO, rx_quick_cons_trip_int, CTLFLAG_RDTUN, 623 &bce_rx_quick_cons_trip_int, 0, 624 "Receive BD trip point during interrupts"); 625 626/* Allowable values are 1 ... 100 */ 627#ifdef BCE_DEBUG 628/* Generate 1 interrupt for every received frame. */ 629static int bce_rx_quick_cons_trip = 1; 630#else 631/* Generate 1 interrupt for every 6 received frames. */ 632static int bce_rx_quick_cons_trip = DEFAULT_RX_QUICK_CONS_TRIP; 633#endif 634SYSCTL_UINT(_hw_bce, OID_AUTO, rx_quick_cons_trip, CTLFLAG_RDTUN, 635 &bce_rx_quick_cons_trip, 0, 636 "Receive BD trip point"); 637 638/* Allowable values are 0 ... 100 */ 639#ifdef BCE_DEBUG 640/* Generate an int. if 0us have elapsed since the last received frame. */ 641static int bce_rx_ticks_int = 0; 642#else 643/* Generate an int. if 18us have elapsed since the last received frame. */ 644static int bce_rx_ticks_int = DEFAULT_RX_TICKS_INT; 645#endif 646SYSCTL_UINT(_hw_bce, OID_AUTO, rx_ticks_int, CTLFLAG_RDTUN, 647 &bce_rx_ticks_int, 0, "Receive ticks count during interrupt"); 648 649/* Allowable values are 0 ... 100 */ 650#ifdef BCE_DEBUG 651/* Generate an int. if 0us have elapsed since the last received frame. */ 652static int bce_rx_ticks = 0; 653#else 654/* Generate an int. if 18us have elapsed since the last received frame. */ 655static int bce_rx_ticks = DEFAULT_RX_TICKS; 656#endif 657SYSCTL_UINT(_hw_bce, OID_AUTO, rx_ticks, CTLFLAG_RDTUN, 658 &bce_rx_ticks, 0, "Receive ticks count"); 659 660/****************************************************************************/ 661/* Device probe function. */ 662/* */ 663/* Compares the device to the driver's list of supported devices and */ 664/* reports back to the OS whether this is the right driver for the device. */ 665/* */ 666/* Returns: */ 667/* BUS_PROBE_DEFAULT on success, positive value on failure. */ 668/****************************************************************************/ 669static int 670bce_probe(device_t dev) 671{ 672 const struct bce_type *t; 673 struct bce_softc *sc; 674 char *descbuf; 675 u16 vid = 0, did = 0, svid = 0, sdid = 0; 676 677 t = bce_devs; 678 679 sc = device_get_softc(dev); 680 sc->bce_unit = device_get_unit(dev); 681 sc->bce_dev = dev; 682 683 /* Get the data for the device to be probed. */ 684 vid = pci_get_vendor(dev); 685 did = pci_get_device(dev); 686 svid = pci_get_subvendor(dev); 687 sdid = pci_get_subdevice(dev); 688 689 DBPRINT(sc, BCE_EXTREME_LOAD, 690 "%s(); VID = 0x%04X, DID = 0x%04X, SVID = 0x%04X, " 691 "SDID = 0x%04X\n", __FUNCTION__, vid, did, svid, sdid); 692 693 /* Look through the list of known devices for a match. */ 694 while(t->bce_name != NULL) { 695 if ((vid == t->bce_vid) && (did == t->bce_did) && 696 ((svid == t->bce_svid) || (t->bce_svid == PCI_ANY_ID)) && 697 ((sdid == t->bce_sdid) || (t->bce_sdid == PCI_ANY_ID))) { 698 descbuf = malloc(BCE_DEVDESC_MAX, M_TEMP, M_NOWAIT); 699 700 if (descbuf == NULL) 701 return(ENOMEM); 702 703 /* Print out the device identity. */ 704 snprintf(descbuf, BCE_DEVDESC_MAX, "%s (%c%d)", 705 t->bce_name, (((pci_read_config(dev, 706 PCIR_REVID, 4) & 0xf0) >> 4) + 'A'), 707 (pci_read_config(dev, PCIR_REVID, 4) & 0xf)); 708 709 device_set_desc_copy(dev, descbuf); 710 free(descbuf, M_TEMP); 711 return(BUS_PROBE_DEFAULT); 712 } 713 t++; 714 } 715 716 return(ENXIO); 717} 718 719/****************************************************************************/ 720/* PCI Capabilities Probe Function. */ 721/* */ 722/* Walks the PCI capabiites list for the device to find what features are */ 723/* supported. */ 724/* */ 725/* Returns: */ 726/* None. */ 727/****************************************************************************/ 728static void 729bce_print_adapter_info(struct bce_softc *sc) 730{ 731 int i = 0; 732 733 DBENTER(BCE_VERBOSE_LOAD); 734 735 if (bce_verbose || bootverbose) { 736 BCE_PRINTF("ASIC (0x%08X); ", sc->bce_chipid); 737 printf("Rev (%c%d); ", ((BCE_CHIP_ID(sc) & 0xf000) >> 738 12) + 'A', ((BCE_CHIP_ID(sc) & 0x0ff0) >> 4)); 739 740 /* Bus info. */ 741 if (sc->bce_flags & BCE_PCIE_FLAG) { 742 printf("Bus (PCIe x%d, ", sc->link_width); 743 switch (sc->link_speed) { 744 case 1: printf("2.5Gbps); "); break; 745 case 2: printf("5Gbps); "); break; 746 default: printf("Unknown link speed); "); 747 } 748 } else { 749 printf("Bus (PCI%s, %s, %dMHz); ", 750 ((sc->bce_flags & BCE_PCIX_FLAG) ? "-X" : ""), 751 ((sc->bce_flags & BCE_PCI_32BIT_FLAG) ? 752 "32-bit" : "64-bit"), sc->bus_speed_mhz); 753 } 754 755 /* Firmware version and device features. */ 756 printf("B/C (%s); Bufs (RX:%d;TX:%d;PG:%d); Flags (", 757 sc->bce_bc_ver, sc->rx_pages, sc->tx_pages, 758 (bce_hdr_split == TRUE ? sc->pg_pages: 0)); 759 760 if (bce_hdr_split == TRUE) { 761 printf("SPLT"); 762 i++; 763 } 764 765 if (sc->bce_flags & BCE_USING_MSI_FLAG) { 766 if (i > 0) printf("|"); 767 printf("MSI"); i++; 768 } 769 770 if (sc->bce_flags & BCE_USING_MSIX_FLAG) { 771 if (i > 0) printf("|"); 772 printf("MSI-X"); i++; 773 } 774 775 if (sc->bce_phy_flags & BCE_PHY_2_5G_CAPABLE_FLAG) { 776 if (i > 0) printf("|"); 777 printf("2.5G"); i++; 778 } 779 780 if (sc->bce_phy_flags & BCE_PHY_REMOTE_CAP_FLAG) { 781 if (i > 0) printf("|"); 782 printf("Remote PHY(%s)", 783 sc->bce_phy_flags & BCE_PHY_REMOTE_PORT_FIBER_FLAG ? 784 "FIBER" : "TP"); i++; 785 } 786 787 if (sc->bce_flags & BCE_MFW_ENABLE_FLAG) { 788 if (i > 0) printf("|"); 789 printf("MFW); MFW (%s)\n", sc->bce_mfw_ver); 790 } else { 791 printf(")\n"); 792 } 793 794 printf("Coal (RX:%d,%d,%d,%d; TX:%d,%d,%d,%d)\n", 795 sc->bce_rx_quick_cons_trip_int, 796 sc->bce_rx_quick_cons_trip, 797 sc->bce_rx_ticks_int, 798 sc->bce_rx_ticks, 799 sc->bce_tx_quick_cons_trip_int, 800 sc->bce_tx_quick_cons_trip, 801 sc->bce_tx_ticks_int, 802 sc->bce_tx_ticks); 803 } 804 805 DBEXIT(BCE_VERBOSE_LOAD); 806} 807 808/****************************************************************************/ 809/* PCI Capabilities Probe Function. */ 810/* */ 811/* Walks the PCI capabiites list for the device to find what features are */ 812/* supported. */ 813/* */ 814/* Returns: */ 815/* None. */ 816/****************************************************************************/ 817static void 818bce_probe_pci_caps(device_t dev, struct bce_softc *sc) 819{ 820 u32 reg; 821 822 DBENTER(BCE_VERBOSE_LOAD); 823 824 /* Check if PCI-X capability is enabled. */ 825 if (pci_find_cap(dev, PCIY_PCIX, ®) == 0) { 826 if (reg != 0) 827 sc->bce_cap_flags |= BCE_PCIX_CAPABLE_FLAG; 828 } 829 830 /* Check if PCIe capability is enabled. */ 831 if (pci_find_cap(dev, PCIY_EXPRESS, ®) == 0) { 832 if (reg != 0) { 833 u16 link_status = pci_read_config(dev, reg + 0x12, 2); 834 DBPRINT(sc, BCE_INFO_LOAD, "PCIe link_status = " 835 "0x%08X\n", link_status); 836 sc->link_speed = link_status & 0xf; 837 sc->link_width = (link_status >> 4) & 0x3f; 838 sc->bce_cap_flags |= BCE_PCIE_CAPABLE_FLAG; 839 sc->bce_flags |= BCE_PCIE_FLAG; 840 } 841 } 842 843 /* Check if MSI capability is enabled. */ 844 if (pci_find_cap(dev, PCIY_MSI, ®) == 0) { 845 if (reg != 0) 846 sc->bce_cap_flags |= BCE_MSI_CAPABLE_FLAG; 847 } 848 849 /* Check if MSI-X capability is enabled. */ 850 if (pci_find_cap(dev, PCIY_MSIX, ®) == 0) { 851 if (reg != 0) 852 sc->bce_cap_flags |= BCE_MSIX_CAPABLE_FLAG; 853 } 854 855 DBEXIT(BCE_VERBOSE_LOAD); 856} 857 858/****************************************************************************/ 859/* Load and validate user tunable settings. */ 860/* */ 861/* Returns: */ 862/* Nothing. */ 863/****************************************************************************/ 864static void 865bce_set_tunables(struct bce_softc *sc) 866{ 867 /* Set sysctl values for RX page count. */ 868 switch (bce_rx_pages) { 869 case 1: 870 /* fall-through */ 871 case 2: 872 /* fall-through */ 873 case 4: 874 /* fall-through */ 875 case 8: 876 sc->rx_pages = bce_rx_pages; 877 break; 878 default: 879 sc->rx_pages = DEFAULT_RX_PAGES; 880 BCE_PRINTF("%s(%d): Illegal value (%d) specified for " 881 "hw.bce.rx_pages! Setting default of %d.\n", 882 __FILE__, __LINE__, bce_rx_pages, DEFAULT_RX_PAGES); 883 } 884 885 /* ToDo: Consider allowing user setting for pg_pages. */ 886 sc->pg_pages = min((sc->rx_pages * 4), MAX_PG_PAGES); 887 888 /* Set sysctl values for TX page count. */ 889 switch (bce_tx_pages) { 890 case 1: 891 /* fall-through */ 892 case 2: 893 /* fall-through */ 894 case 4: 895 /* fall-through */ 896 case 8: 897 sc->tx_pages = bce_tx_pages; 898 break; 899 default: 900 sc->tx_pages = DEFAULT_TX_PAGES; 901 BCE_PRINTF("%s(%d): Illegal value (%d) specified for " 902 "hw.bce.tx_pages! Setting default of %d.\n", 903 __FILE__, __LINE__, bce_tx_pages, DEFAULT_TX_PAGES); 904 } 905 906 /* 907 * Validate the TX trip point (i.e. the number of 908 * TX completions before a status block update is 909 * generated and an interrupt is asserted. 910 */ 911 if (bce_tx_quick_cons_trip_int <= 100) { 912 sc->bce_tx_quick_cons_trip_int = 913 bce_tx_quick_cons_trip_int; 914 } else { 915 BCE_PRINTF("%s(%d): Illegal value (%d) specified for " 916 "hw.bce.tx_quick_cons_trip_int! Setting default of %d.\n", 917 __FILE__, __LINE__, bce_tx_quick_cons_trip_int, 918 DEFAULT_TX_QUICK_CONS_TRIP_INT); 919 sc->bce_tx_quick_cons_trip_int = 920 DEFAULT_TX_QUICK_CONS_TRIP_INT; 921 } 922 923 if (bce_tx_quick_cons_trip <= 100) { 924 sc->bce_tx_quick_cons_trip = 925 bce_tx_quick_cons_trip; 926 } else { 927 BCE_PRINTF("%s(%d): Illegal value (%d) specified for " 928 "hw.bce.tx_quick_cons_trip! Setting default of %d.\n", 929 __FILE__, __LINE__, bce_tx_quick_cons_trip, 930 DEFAULT_TX_QUICK_CONS_TRIP); 931 sc->bce_tx_quick_cons_trip = 932 DEFAULT_TX_QUICK_CONS_TRIP; 933 } 934 935 /* 936 * Validate the TX ticks count (i.e. the maximum amount 937 * of time to wait after the last TX completion has 938 * occurred before a status block update is generated 939 * and an interrupt is asserted. 940 */ 941 if (bce_tx_ticks_int <= 100) { 942 sc->bce_tx_ticks_int = 943 bce_tx_ticks_int; 944 } else { 945 BCE_PRINTF("%s(%d): Illegal value (%d) specified for " 946 "hw.bce.tx_ticks_int! Setting default of %d.\n", 947 __FILE__, __LINE__, bce_tx_ticks_int, 948 DEFAULT_TX_TICKS_INT); 949 sc->bce_tx_ticks_int = 950 DEFAULT_TX_TICKS_INT; 951 } 952 953 if (bce_tx_ticks <= 100) { 954 sc->bce_tx_ticks = 955 bce_tx_ticks; 956 } else { 957 BCE_PRINTF("%s(%d): Illegal value (%d) specified for " 958 "hw.bce.tx_ticks! Setting default of %d.\n", 959 __FILE__, __LINE__, bce_tx_ticks, 960 DEFAULT_TX_TICKS); 961 sc->bce_tx_ticks = 962 DEFAULT_TX_TICKS; 963 } 964 965 /* 966 * Validate the RX trip point (i.e. the number of 967 * RX frames received before a status block update is 968 * generated and an interrupt is asserted. 969 */ 970 if (bce_rx_quick_cons_trip_int <= 100) { 971 sc->bce_rx_quick_cons_trip_int = 972 bce_rx_quick_cons_trip_int; 973 } else { 974 BCE_PRINTF("%s(%d): Illegal value (%d) specified for " 975 "hw.bce.rx_quick_cons_trip_int! Setting default of %d.\n", 976 __FILE__, __LINE__, bce_rx_quick_cons_trip_int, 977 DEFAULT_RX_QUICK_CONS_TRIP_INT); 978 sc->bce_rx_quick_cons_trip_int = 979 DEFAULT_RX_QUICK_CONS_TRIP_INT; 980 } 981 982 if (bce_rx_quick_cons_trip <= 100) { 983 sc->bce_rx_quick_cons_trip = 984 bce_rx_quick_cons_trip; 985 } else { 986 BCE_PRINTF("%s(%d): Illegal value (%d) specified for " 987 "hw.bce.rx_quick_cons_trip! Setting default of %d.\n", 988 __FILE__, __LINE__, bce_rx_quick_cons_trip, 989 DEFAULT_RX_QUICK_CONS_TRIP); 990 sc->bce_rx_quick_cons_trip = 991 DEFAULT_RX_QUICK_CONS_TRIP; 992 } 993 994 /* 995 * Validate the RX ticks count (i.e. the maximum amount 996 * of time to wait after the last RX frame has been 997 * received before a status block update is generated 998 * and an interrupt is asserted. 999 */ 1000 if (bce_rx_ticks_int <= 100) { 1001 sc->bce_rx_ticks_int = bce_rx_ticks_int; 1002 } else { 1003 BCE_PRINTF("%s(%d): Illegal value (%d) specified for " 1004 "hw.bce.rx_ticks_int! Setting default of %d.\n", 1005 __FILE__, __LINE__, bce_rx_ticks_int, 1006 DEFAULT_RX_TICKS_INT); 1007 sc->bce_rx_ticks_int = DEFAULT_RX_TICKS_INT; 1008 } 1009 1010 if (bce_rx_ticks <= 100) { 1011 sc->bce_rx_ticks = bce_rx_ticks; 1012 } else { 1013 BCE_PRINTF("%s(%d): Illegal value (%d) specified for " 1014 "hw.bce.rx_ticks! Setting default of %d.\n", 1015 __FILE__, __LINE__, bce_rx_ticks, 1016 DEFAULT_RX_TICKS); 1017 sc->bce_rx_ticks = DEFAULT_RX_TICKS; 1018 } 1019 1020 /* Disabling both RX ticks and RX trips will prevent interrupts. */ 1021 if ((bce_rx_quick_cons_trip == 0) && (bce_rx_ticks == 0)) { 1022 BCE_PRINTF("%s(%d): Cannot set both hw.bce.rx_ticks and " 1023 "hw.bce.rx_quick_cons_trip to 0. Setting default values.\n", 1024 __FILE__, __LINE__); 1025 sc->bce_rx_ticks = DEFAULT_RX_TICKS; 1026 sc->bce_rx_quick_cons_trip = DEFAULT_RX_QUICK_CONS_TRIP; 1027 } 1028 1029 /* Disabling both TX ticks and TX trips will prevent interrupts. */ 1030 if ((bce_tx_quick_cons_trip == 0) && (bce_tx_ticks == 0)) { 1031 BCE_PRINTF("%s(%d): Cannot set both hw.bce.tx_ticks and " 1032 "hw.bce.tx_quick_cons_trip to 0. Setting default values.\n", 1033 __FILE__, __LINE__); 1034 sc->bce_tx_ticks = DEFAULT_TX_TICKS; 1035 sc->bce_tx_quick_cons_trip = DEFAULT_TX_QUICK_CONS_TRIP; 1036 } 1037} 1038 1039/****************************************************************************/ 1040/* Device attach function. */ 1041/* */ 1042/* Allocates device resources, performs secondary chip identification, */ 1043/* resets and initializes the hardware, and initializes driver instance */ 1044/* variables. */ 1045/* */ 1046/* Returns: */ 1047/* 0 on success, positive value on failure. */ 1048/****************************************************************************/ 1049static int 1050bce_attach(device_t dev) 1051{ 1052 struct bce_softc *sc; 1053 if_t ifp; 1054 u32 val; 1055 int count, error, rc = 0, rid; 1056 1057 sc = device_get_softc(dev); 1058 sc->bce_dev = dev; 1059 1060 DBENTER(BCE_VERBOSE_LOAD | BCE_VERBOSE_RESET); 1061 1062 sc->bce_unit = device_get_unit(dev); 1063 1064 /* Set initial device and PHY flags */ 1065 sc->bce_flags = 0; 1066 sc->bce_phy_flags = 0; 1067 1068 bce_set_tunables(sc); 1069 1070 pci_enable_busmaster(dev); 1071 1072 /* Allocate PCI memory resources. */ 1073 rid = PCIR_BAR(0); 1074 sc->bce_res_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 1075 &rid, RF_ACTIVE); 1076 1077 if (sc->bce_res_mem == NULL) { 1078 BCE_PRINTF("%s(%d): PCI memory allocation failed\n", 1079 __FILE__, __LINE__); 1080 rc = ENXIO; 1081 goto bce_attach_fail; 1082 } 1083 1084 /* Get various resource handles. */ 1085 sc->bce_btag = rman_get_bustag(sc->bce_res_mem); 1086 sc->bce_bhandle = rman_get_bushandle(sc->bce_res_mem); 1087 sc->bce_vhandle = (vm_offset_t) rman_get_virtual(sc->bce_res_mem); 1088 1089 bce_probe_pci_caps(dev, sc); 1090 1091 rid = 1; 1092 count = 0; 1093#if 0 1094 /* Try allocating MSI-X interrupts. */ 1095 if ((sc->bce_cap_flags & BCE_MSIX_CAPABLE_FLAG) && 1096 (bce_msi_enable >= 2) && 1097 ((sc->bce_res_irq = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 1098 &rid, RF_ACTIVE)) != NULL)) { 1099 msi_needed = count = 1; 1100 1101 if (((error = pci_alloc_msix(dev, &count)) != 0) || 1102 (count != msi_needed)) { 1103 BCE_PRINTF("%s(%d): MSI-X allocation failed! Requested = %d," 1104 "Received = %d, error = %d\n", __FILE__, __LINE__, 1105 msi_needed, count, error); 1106 count = 0; 1107 pci_release_msi(dev); 1108 bus_release_resource(dev, SYS_RES_MEMORY, rid, 1109 sc->bce_res_irq); 1110 sc->bce_res_irq = NULL; 1111 } else { 1112 DBPRINT(sc, BCE_INFO_LOAD, "%s(): Using MSI-X interrupt.\n", 1113 __FUNCTION__); 1114 sc->bce_flags |= BCE_USING_MSIX_FLAG; 1115 } 1116 } 1117#endif 1118 1119 /* Try allocating a MSI interrupt. */ 1120 if ((sc->bce_cap_flags & BCE_MSI_CAPABLE_FLAG) && 1121 (bce_msi_enable >= 1) && (count == 0)) { 1122 count = 1; 1123 if ((error = pci_alloc_msi(dev, &count)) != 0) { 1124 BCE_PRINTF("%s(%d): MSI allocation failed! " 1125 "error = %d\n", __FILE__, __LINE__, error); 1126 count = 0; 1127 pci_release_msi(dev); 1128 } else { 1129 DBPRINT(sc, BCE_INFO_LOAD, "%s(): Using MSI " 1130 "interrupt.\n", __FUNCTION__); 1131 sc->bce_flags |= BCE_USING_MSI_FLAG; 1132 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) 1133 sc->bce_flags |= BCE_ONE_SHOT_MSI_FLAG; 1134 rid = 1; 1135 } 1136 } 1137 1138 /* Try allocating a legacy interrupt. */ 1139 if (count == 0) { 1140 DBPRINT(sc, BCE_INFO_LOAD, "%s(): Using INTx interrupt.\n", 1141 __FUNCTION__); 1142 rid = 0; 1143 } 1144 1145 sc->bce_res_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 1146 &rid, RF_ACTIVE | (count != 0 ? 0 : RF_SHAREABLE)); 1147 1148 /* Report any IRQ allocation errors. */ 1149 if (sc->bce_res_irq == NULL) { 1150 BCE_PRINTF("%s(%d): PCI map interrupt failed!\n", 1151 __FILE__, __LINE__); 1152 rc = ENXIO; 1153 goto bce_attach_fail; 1154 } 1155 1156 /* Initialize mutex for the current device instance. */ 1157 BCE_LOCK_INIT(sc, device_get_nameunit(dev)); 1158 1159 /* 1160 * Configure byte swap and enable indirect register access. 1161 * Rely on CPU to do target byte swapping on big endian systems. 1162 * Access to registers outside of PCI configurtion space are not 1163 * valid until this is done. 1164 */ 1165 pci_write_config(dev, BCE_PCICFG_MISC_CONFIG, 1166 BCE_PCICFG_MISC_CONFIG_REG_WINDOW_ENA | 1167 BCE_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP, 4); 1168 1169 /* Save ASIC revsion info. */ 1170 sc->bce_chipid = REG_RD(sc, BCE_MISC_ID); 1171 1172 /* Weed out any non-production controller revisions. */ 1173 switch(BCE_CHIP_ID(sc)) { 1174 case BCE_CHIP_ID_5706_A0: 1175 case BCE_CHIP_ID_5706_A1: 1176 case BCE_CHIP_ID_5708_A0: 1177 case BCE_CHIP_ID_5708_B0: 1178 case BCE_CHIP_ID_5709_A0: 1179 case BCE_CHIP_ID_5709_B0: 1180 case BCE_CHIP_ID_5709_B1: 1181 case BCE_CHIP_ID_5709_B2: 1182 BCE_PRINTF("%s(%d): Unsupported controller " 1183 "revision (%c%d)!\n", __FILE__, __LINE__, 1184 (((pci_read_config(dev, PCIR_REVID, 4) & 1185 0xf0) >> 4) + 'A'), (pci_read_config(dev, 1186 PCIR_REVID, 4) & 0xf)); 1187 rc = ENODEV; 1188 goto bce_attach_fail; 1189 } 1190 1191 /* 1192 * The embedded PCIe to PCI-X bridge (EPB) 1193 * in the 5708 cannot address memory above 1194 * 40 bits (E7_5708CB1_23043 & E6_5708SB1_23043). 1195 */ 1196 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5708) 1197 sc->max_bus_addr = BCE_BUS_SPACE_MAXADDR; 1198 else 1199 sc->max_bus_addr = BUS_SPACE_MAXADDR; 1200 1201 /* 1202 * Find the base address for shared memory access. 1203 * Newer versions of bootcode use a signature and offset 1204 * while older versions use a fixed address. 1205 */ 1206 val = REG_RD_IND(sc, BCE_SHM_HDR_SIGNATURE); 1207 if ((val & BCE_SHM_HDR_SIGNATURE_SIG_MASK) == BCE_SHM_HDR_SIGNATURE_SIG) 1208 /* Multi-port devices use different offsets in shared memory. */ 1209 sc->bce_shmem_base = REG_RD_IND(sc, BCE_SHM_HDR_ADDR_0 + 1210 (pci_get_function(sc->bce_dev) << 2)); 1211 else 1212 sc->bce_shmem_base = HOST_VIEW_SHMEM_BASE; 1213 1214 DBPRINT(sc, BCE_VERBOSE_FIRMWARE, "%s(): bce_shmem_base = 0x%08X\n", 1215 __FUNCTION__, sc->bce_shmem_base); 1216 1217 /* Fetch the bootcode revision. */ 1218 val = bce_shmem_rd(sc, BCE_DEV_INFO_BC_REV); 1219 for (int i = 0, j = 0; i < 3; i++) { 1220 u8 num; 1221 1222 num = (u8) (val >> (24 - (i * 8))); 1223 for (int k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) { 1224 if (num >= k || !skip0 || k == 1) { 1225 sc->bce_bc_ver[j++] = (num / k) + '0'; 1226 skip0 = 0; 1227 } 1228 } 1229 1230 if (i != 2) 1231 sc->bce_bc_ver[j++] = '.'; 1232 } 1233 1234 /* Check if any management firwmare is enabled. */ 1235 val = bce_shmem_rd(sc, BCE_PORT_FEATURE); 1236 if (val & BCE_PORT_FEATURE_ASF_ENABLED) { 1237 sc->bce_flags |= BCE_MFW_ENABLE_FLAG; 1238 1239 /* Allow time for firmware to enter the running state. */ 1240 for (int i = 0; i < 30; i++) { 1241 val = bce_shmem_rd(sc, BCE_BC_STATE_CONDITION); 1242 if (val & BCE_CONDITION_MFW_RUN_MASK) 1243 break; 1244 DELAY(10000); 1245 } 1246 1247 /* Check if management firmware is running. */ 1248 val = bce_shmem_rd(sc, BCE_BC_STATE_CONDITION); 1249 val &= BCE_CONDITION_MFW_RUN_MASK; 1250 if ((val != BCE_CONDITION_MFW_RUN_UNKNOWN) && 1251 (val != BCE_CONDITION_MFW_RUN_NONE)) { 1252 u32 addr = bce_shmem_rd(sc, BCE_MFW_VER_PTR); 1253 int i = 0; 1254 1255 /* Read the management firmware version string. */ 1256 for (int j = 0; j < 3; j++) { 1257 val = bce_reg_rd_ind(sc, addr + j * 4); 1258 val = bswap32(val); 1259 memcpy(&sc->bce_mfw_ver[i], &val, 4); 1260 i += 4; 1261 } 1262 } else { 1263 /* May cause firmware synchronization timeouts. */ 1264 BCE_PRINTF("%s(%d): Management firmware enabled " 1265 "but not running!\n", __FILE__, __LINE__); 1266 strcpy(sc->bce_mfw_ver, "NOT RUNNING!"); 1267 1268 /* ToDo: Any action the driver should take? */ 1269 } 1270 } 1271 1272 /* Get PCI bus information (speed and type). */ 1273 val = REG_RD(sc, BCE_PCICFG_MISC_STATUS); 1274 if (val & BCE_PCICFG_MISC_STATUS_PCIX_DET) { 1275 u32 clkreg; 1276 1277 sc->bce_flags |= BCE_PCIX_FLAG; 1278 1279 clkreg = REG_RD(sc, BCE_PCICFG_PCI_CLOCK_CONTROL_BITS); 1280 1281 clkreg &= BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET; 1282 switch (clkreg) { 1283 case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ: 1284 sc->bus_speed_mhz = 133; 1285 break; 1286 1287 case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ: 1288 sc->bus_speed_mhz = 100; 1289 break; 1290 1291 case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ: 1292 case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ: 1293 sc->bus_speed_mhz = 66; 1294 break; 1295 1296 case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ: 1297 case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ: 1298 sc->bus_speed_mhz = 50; 1299 break; 1300 1301 case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW: 1302 case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ: 1303 case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ: 1304 sc->bus_speed_mhz = 33; 1305 break; 1306 } 1307 } else { 1308 if (val & BCE_PCICFG_MISC_STATUS_M66EN) 1309 sc->bus_speed_mhz = 66; 1310 else 1311 sc->bus_speed_mhz = 33; 1312 } 1313 1314 if (val & BCE_PCICFG_MISC_STATUS_32BIT_DET) 1315 sc->bce_flags |= BCE_PCI_32BIT_FLAG; 1316 1317 /* Find the media type for the adapter. */ 1318 bce_get_media(sc); 1319 1320 /* Reset controller and announce to bootcode that driver is present. */ 1321 if (bce_reset(sc, BCE_DRV_MSG_CODE_RESET)) { 1322 BCE_PRINTF("%s(%d): Controller reset failed!\n", 1323 __FILE__, __LINE__); 1324 rc = ENXIO; 1325 goto bce_attach_fail; 1326 } 1327 1328 /* Initialize the controller. */ 1329 if (bce_chipinit(sc)) { 1330 BCE_PRINTF("%s(%d): Controller initialization failed!\n", 1331 __FILE__, __LINE__); 1332 rc = ENXIO; 1333 goto bce_attach_fail; 1334 } 1335 1336 /* Perform NVRAM test. */ 1337 if (bce_nvram_test(sc)) { 1338 BCE_PRINTF("%s(%d): NVRAM test failed!\n", 1339 __FILE__, __LINE__); 1340 rc = ENXIO; 1341 goto bce_attach_fail; 1342 } 1343 1344 /* Fetch the permanent Ethernet MAC address. */ 1345 bce_get_mac_addr(sc); 1346 1347 /* Update statistics once every second. */ 1348 sc->bce_stats_ticks = 1000000 & 0xffff00; 1349 1350 /* Store data needed by PHY driver for backplane applications */ 1351 sc->bce_shared_hw_cfg = bce_shmem_rd(sc, BCE_SHARED_HW_CFG_CONFIG); 1352 sc->bce_port_hw_cfg = bce_shmem_rd(sc, BCE_PORT_HW_CFG_CONFIG); 1353 1354 /* Allocate DMA memory resources. */ 1355 if (bce_dma_alloc(dev)) { 1356 BCE_PRINTF("%s(%d): DMA resource allocation failed!\n", 1357 __FILE__, __LINE__); 1358 rc = ENXIO; 1359 goto bce_attach_fail; 1360 } 1361 1362 /* Allocate an ifnet structure. */ 1363 ifp = sc->bce_ifp = if_alloc(IFT_ETHER); 1364 if (ifp == NULL) { 1365 BCE_PRINTF("%s(%d): Interface allocation failed!\n", 1366 __FILE__, __LINE__); 1367 rc = ENXIO; 1368 goto bce_attach_fail; 1369 } 1370 1371 /* Initialize the ifnet interface. */ 1372 if_setsoftc(ifp, sc); 1373 if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 1374 if_setflags(ifp, IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST); 1375 if_setioctlfn(ifp, bce_ioctl); 1376 if_setstartfn(ifp, bce_start); 1377 if_setgetcounterfn(ifp, bce_get_counter); 1378 if_setinitfn(ifp, bce_init); 1379 if_setmtu(ifp, ETHERMTU); 1380 1381 if (bce_tso_enable) { 1382 if_sethwassist(ifp, BCE_IF_HWASSIST | CSUM_TSO); 1383 if_setcapabilities(ifp, BCE_IF_CAPABILITIES | IFCAP_TSO4 | 1384 IFCAP_VLAN_HWTSO); 1385 } else { 1386 if_sethwassist(ifp, BCE_IF_HWASSIST); 1387 if_setcapabilities(ifp, BCE_IF_CAPABILITIES); 1388 } 1389 1390 if ((sc->bce_phy_flags & BCE_PHY_REMOTE_CAP_FLAG) != 0) 1391 if_setcapabilitiesbit(ifp, IFCAP_LINKSTATE, 0); 1392 1393 if_setcapenable(ifp, if_getcapabilities(ifp)); 1394 1395 /* 1396 * Assume standard mbuf sizes for buffer allocation. 1397 * This may change later if the MTU size is set to 1398 * something other than 1500. 1399 */ 1400 bce_get_rx_buffer_sizes(sc, 1401 (ETHER_MAX_LEN - ETHER_HDR_LEN - ETHER_CRC_LEN)); 1402 1403 /* Recalculate our buffer allocation sizes. */ 1404 if_setsendqlen(ifp, USABLE_TX_BD_ALLOC); 1405 if_setsendqready(ifp); 1406 1407 if (sc->bce_phy_flags & BCE_PHY_2_5G_CAPABLE_FLAG) 1408 if_setbaudrate(ifp, IF_Mbps(2500ULL)); 1409 else 1410 if_setbaudrate(ifp, IF_Mbps(1000)); 1411 1412 /* Handle any special PHY initialization for SerDes PHYs. */ 1413 bce_init_media(sc); 1414 1415 if ((sc->bce_phy_flags & BCE_PHY_REMOTE_CAP_FLAG) != 0) { 1416 ifmedia_init(&sc->bce_ifmedia, IFM_IMASK, bce_ifmedia_upd, 1417 bce_ifmedia_sts); 1418 /* 1419 * We can't manually override remote PHY's link and assume 1420 * PHY port configuration(Fiber or TP) is not changed after 1421 * device attach. This may not be correct though. 1422 */ 1423 if ((sc->bce_phy_flags & BCE_PHY_REMOTE_PORT_FIBER_FLAG) != 0) { 1424 if (sc->bce_phy_flags & BCE_PHY_2_5G_CAPABLE_FLAG) { 1425 ifmedia_add(&sc->bce_ifmedia, 1426 IFM_ETHER | IFM_2500_SX, 0, NULL); 1427 ifmedia_add(&sc->bce_ifmedia, 1428 IFM_ETHER | IFM_2500_SX | IFM_FDX, 0, NULL); 1429 } 1430 ifmedia_add(&sc->bce_ifmedia, 1431 IFM_ETHER | IFM_1000_SX, 0, NULL); 1432 ifmedia_add(&sc->bce_ifmedia, 1433 IFM_ETHER | IFM_1000_SX | IFM_FDX, 0, NULL); 1434 } else { 1435 ifmedia_add(&sc->bce_ifmedia, 1436 IFM_ETHER | IFM_10_T, 0, NULL); 1437 ifmedia_add(&sc->bce_ifmedia, 1438 IFM_ETHER | IFM_10_T | IFM_FDX, 0, NULL); 1439 ifmedia_add(&sc->bce_ifmedia, 1440 IFM_ETHER | IFM_100_TX, 0, NULL); 1441 ifmedia_add(&sc->bce_ifmedia, 1442 IFM_ETHER | IFM_100_TX | IFM_FDX, 0, NULL); 1443 ifmedia_add(&sc->bce_ifmedia, 1444 IFM_ETHER | IFM_1000_T, 0, NULL); 1445 ifmedia_add(&sc->bce_ifmedia, 1446 IFM_ETHER | IFM_1000_T | IFM_FDX, 0, NULL); 1447 } 1448 ifmedia_add(&sc->bce_ifmedia, IFM_ETHER | IFM_AUTO, 0, NULL); 1449 ifmedia_set(&sc->bce_ifmedia, IFM_ETHER | IFM_AUTO); 1450 sc->bce_ifmedia.ifm_media = sc->bce_ifmedia.ifm_cur->ifm_media; 1451 } else { 1452 /* MII child bus by attaching the PHY. */ 1453 rc = mii_attach(dev, &sc->bce_miibus, ifp, bce_ifmedia_upd, 1454 bce_ifmedia_sts, BMSR_DEFCAPMASK, sc->bce_phy_addr, 1455 MII_OFFSET_ANY, MIIF_DOPAUSE); 1456 if (rc != 0) { 1457 BCE_PRINTF("%s(%d): attaching PHYs failed\n", __FILE__, 1458 __LINE__); 1459 goto bce_attach_fail; 1460 } 1461 } 1462 1463 /* Attach to the Ethernet interface list. */ 1464 ether_ifattach(ifp, sc->eaddr); 1465 1466 callout_init_mtx(&sc->bce_tick_callout, &sc->bce_mtx, 0); 1467 callout_init_mtx(&sc->bce_pulse_callout, &sc->bce_mtx, 0); 1468 1469 /* Hookup IRQ last. */ 1470 rc = bus_setup_intr(dev, sc->bce_res_irq, INTR_TYPE_NET | INTR_MPSAFE, 1471 NULL, bce_intr, sc, &sc->bce_intrhand); 1472 1473 if (rc) { 1474 BCE_PRINTF("%s(%d): Failed to setup IRQ!\n", 1475 __FILE__, __LINE__); 1476 bce_detach(dev); 1477 goto bce_attach_exit; 1478 } 1479 1480 /* 1481 * At this point we've acquired all the resources 1482 * we need to run so there's no turning back, we're 1483 * cleared for launch. 1484 */ 1485 1486 /* Print some important debugging info. */ 1487 DBRUNMSG(BCE_INFO, bce_dump_driver_state(sc)); 1488 1489 /* Add the supported sysctls to the kernel. */ 1490 bce_add_sysctls(sc); 1491 1492 BCE_LOCK(sc); 1493 1494 /* 1495 * The chip reset earlier notified the bootcode that 1496 * a driver is present. We now need to start our pulse 1497 * routine so that the bootcode is reminded that we're 1498 * still running. 1499 */ 1500 bce_pulse(sc); 1501 1502 bce_mgmt_init_locked(sc); 1503 BCE_UNLOCK(sc); 1504 1505 /* Finally, print some useful adapter info */ 1506 bce_print_adapter_info(sc); 1507 DBPRINT(sc, BCE_FATAL, "%s(): sc = %p\n", 1508 __FUNCTION__, sc); 1509 1510 goto bce_attach_exit; 1511 1512bce_attach_fail: 1513 bce_release_resources(sc); 1514 1515bce_attach_exit: 1516 1517 DBEXIT(BCE_VERBOSE_LOAD | BCE_VERBOSE_RESET); 1518 1519 return(rc); 1520} 1521 1522/****************************************************************************/ 1523/* Device detach function. */ 1524/* */ 1525/* Stops the controller, resets the controller, and releases resources. */ 1526/* */ 1527/* Returns: */ 1528/* 0 on success, positive value on failure. */ 1529/****************************************************************************/ 1530static int 1531bce_detach(device_t dev) 1532{ 1533 struct bce_softc *sc = device_get_softc(dev); 1534 if_t ifp; 1535 u32 msg; 1536 1537 DBENTER(BCE_VERBOSE_UNLOAD | BCE_VERBOSE_RESET); 1538 1539 ifp = sc->bce_ifp; 1540 1541 /* Stop and reset the controller. */ 1542 BCE_LOCK(sc); 1543 1544 /* Stop the pulse so the bootcode can go to driver absent state. */ 1545 callout_stop(&sc->bce_pulse_callout); 1546 1547 bce_stop(sc); 1548 if (sc->bce_flags & BCE_NO_WOL_FLAG) 1549 msg = BCE_DRV_MSG_CODE_UNLOAD_LNK_DN; 1550 else 1551 msg = BCE_DRV_MSG_CODE_UNLOAD; 1552 bce_reset(sc, msg); 1553 1554 BCE_UNLOCK(sc); 1555 1556 ether_ifdetach(ifp); 1557 1558 /* If we have a child device on the MII bus remove it too. */ 1559 if ((sc->bce_phy_flags & BCE_PHY_REMOTE_CAP_FLAG) != 0) 1560 ifmedia_removeall(&sc->bce_ifmedia); 1561 else { 1562 bus_generic_detach(dev); 1563 device_delete_child(dev, sc->bce_miibus); 1564 } 1565 1566 /* Release all remaining resources. */ 1567 bce_release_resources(sc); 1568 1569 DBEXIT(BCE_VERBOSE_UNLOAD | BCE_VERBOSE_RESET); 1570 1571 return(0); 1572} 1573 1574/****************************************************************************/ 1575/* Device shutdown function. */ 1576/* */ 1577/* Stops and resets the controller. */ 1578/* */ 1579/* Returns: */ 1580/* 0 on success, positive value on failure. */ 1581/****************************************************************************/ 1582static int 1583bce_shutdown(device_t dev) 1584{ 1585 struct bce_softc *sc = device_get_softc(dev); 1586 u32 msg; 1587 1588 DBENTER(BCE_VERBOSE); 1589 1590 BCE_LOCK(sc); 1591 bce_stop(sc); 1592 if (sc->bce_flags & BCE_NO_WOL_FLAG) 1593 msg = BCE_DRV_MSG_CODE_UNLOAD_LNK_DN; 1594 else 1595 msg = BCE_DRV_MSG_CODE_UNLOAD; 1596 bce_reset(sc, msg); 1597 BCE_UNLOCK(sc); 1598 1599 DBEXIT(BCE_VERBOSE); 1600 1601 return (0); 1602} 1603 1604#ifdef BCE_DEBUG 1605/****************************************************************************/ 1606/* Register read. */ 1607/* */ 1608/* Returns: */ 1609/* The value of the register. */ 1610/****************************************************************************/ 1611static u32 1612bce_reg_rd(struct bce_softc *sc, u32 offset) 1613{ 1614 u32 val = REG_RD(sc, offset); 1615 DBPRINT(sc, BCE_INSANE_REG, "%s(); offset = 0x%08X, val = 0x%08X\n", 1616 __FUNCTION__, offset, val); 1617 return val; 1618} 1619 1620/****************************************************************************/ 1621/* Register write (16 bit). */ 1622/* */ 1623/* Returns: */ 1624/* Nothing. */ 1625/****************************************************************************/ 1626static void 1627bce_reg_wr16(struct bce_softc *sc, u32 offset, u16 val) 1628{ 1629 DBPRINT(sc, BCE_INSANE_REG, "%s(); offset = 0x%08X, val = 0x%04X\n", 1630 __FUNCTION__, offset, val); 1631 REG_WR16(sc, offset, val); 1632} 1633 1634/****************************************************************************/ 1635/* Register write. */ 1636/* */ 1637/* Returns: */ 1638/* Nothing. */ 1639/****************************************************************************/ 1640static void 1641bce_reg_wr(struct bce_softc *sc, u32 offset, u32 val) 1642{ 1643 DBPRINT(sc, BCE_INSANE_REG, "%s(); offset = 0x%08X, val = 0x%08X\n", 1644 __FUNCTION__, offset, val); 1645 REG_WR(sc, offset, val); 1646} 1647#endif 1648 1649/****************************************************************************/ 1650/* Indirect register read. */ 1651/* */ 1652/* Reads NetXtreme II registers using an index/data register pair in PCI */ 1653/* configuration space. Using this mechanism avoids issues with posted */ 1654/* reads but is much slower than memory-mapped I/O. */ 1655/* */ 1656/* Returns: */ 1657/* The value of the register. */ 1658/****************************************************************************/ 1659static u32 1660bce_reg_rd_ind(struct bce_softc *sc, u32 offset) 1661{ 1662 device_t dev; 1663 dev = sc->bce_dev; 1664 1665 pci_write_config(dev, BCE_PCICFG_REG_WINDOW_ADDRESS, offset, 4); 1666#ifdef BCE_DEBUG 1667 { 1668 u32 val; 1669 val = pci_read_config(dev, BCE_PCICFG_REG_WINDOW, 4); 1670 DBPRINT(sc, BCE_INSANE_REG, "%s(); offset = 0x%08X, val = 0x%08X\n", 1671 __FUNCTION__, offset, val); 1672 return val; 1673 } 1674#else 1675 return pci_read_config(dev, BCE_PCICFG_REG_WINDOW, 4); 1676#endif 1677} 1678 1679/****************************************************************************/ 1680/* Indirect register write. */ 1681/* */ 1682/* Writes NetXtreme II registers using an index/data register pair in PCI */ 1683/* configuration space. Using this mechanism avoids issues with posted */ 1684/* writes but is muchh slower than memory-mapped I/O. */ 1685/* */ 1686/* Returns: */ 1687/* Nothing. */ 1688/****************************************************************************/ 1689static void 1690bce_reg_wr_ind(struct bce_softc *sc, u32 offset, u32 val) 1691{ 1692 device_t dev; 1693 dev = sc->bce_dev; 1694 1695 DBPRINT(sc, BCE_INSANE_REG, "%s(); offset = 0x%08X, val = 0x%08X\n", 1696 __FUNCTION__, offset, val); 1697 1698 pci_write_config(dev, BCE_PCICFG_REG_WINDOW_ADDRESS, offset, 4); 1699 pci_write_config(dev, BCE_PCICFG_REG_WINDOW, val, 4); 1700} 1701 1702/****************************************************************************/ 1703/* Shared memory write. */ 1704/* */ 1705/* Writes NetXtreme II shared memory region. */ 1706/* */ 1707/* Returns: */ 1708/* Nothing. */ 1709/****************************************************************************/ 1710static void 1711bce_shmem_wr(struct bce_softc *sc, u32 offset, u32 val) 1712{ 1713 DBPRINT(sc, BCE_VERBOSE_FIRMWARE, "%s(): Writing 0x%08X to " 1714 "0x%08X\n", __FUNCTION__, val, offset); 1715 1716 bce_reg_wr_ind(sc, sc->bce_shmem_base + offset, val); 1717} 1718 1719/****************************************************************************/ 1720/* Shared memory read. */ 1721/* */ 1722/* Reads NetXtreme II shared memory region. */ 1723/* */ 1724/* Returns: */ 1725/* The 32 bit value read. */ 1726/****************************************************************************/ 1727static u32 1728bce_shmem_rd(struct bce_softc *sc, u32 offset) 1729{ 1730 u32 val = bce_reg_rd_ind(sc, sc->bce_shmem_base + offset); 1731 1732 DBPRINT(sc, BCE_VERBOSE_FIRMWARE, "%s(): Reading 0x%08X from " 1733 "0x%08X\n", __FUNCTION__, val, offset); 1734 1735 return val; 1736} 1737 1738#ifdef BCE_DEBUG 1739/****************************************************************************/ 1740/* Context memory read. */ 1741/* */ 1742/* The NetXtreme II controller uses context memory to track connection */ 1743/* information for L2 and higher network protocols. */ 1744/* */ 1745/* Returns: */ 1746/* The requested 32 bit value of context memory. */ 1747/****************************************************************************/ 1748static u32 1749bce_ctx_rd(struct bce_softc *sc, u32 cid_addr, u32 ctx_offset) 1750{ 1751 u32 idx, offset, retry_cnt = 5, val; 1752 1753 DBRUNIF((cid_addr > MAX_CID_ADDR || ctx_offset & 0x3 || 1754 cid_addr & CTX_MASK), BCE_PRINTF("%s(): Invalid CID " 1755 "address: 0x%08X.\n", __FUNCTION__, cid_addr)); 1756 1757 offset = ctx_offset + cid_addr; 1758 1759 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 1760 REG_WR(sc, BCE_CTX_CTX_CTRL, (offset | BCE_CTX_CTX_CTRL_READ_REQ)); 1761 1762 for (idx = 0; idx < retry_cnt; idx++) { 1763 val = REG_RD(sc, BCE_CTX_CTX_CTRL); 1764 if ((val & BCE_CTX_CTX_CTRL_READ_REQ) == 0) 1765 break; 1766 DELAY(5); 1767 } 1768 1769 if (val & BCE_CTX_CTX_CTRL_READ_REQ) 1770 BCE_PRINTF("%s(%d); Unable to read CTX memory: " 1771 "cid_addr = 0x%08X, offset = 0x%08X!\n", 1772 __FILE__, __LINE__, cid_addr, ctx_offset); 1773 1774 val = REG_RD(sc, BCE_CTX_CTX_DATA); 1775 } else { 1776 REG_WR(sc, BCE_CTX_DATA_ADR, offset); 1777 val = REG_RD(sc, BCE_CTX_DATA); 1778 } 1779 1780 DBPRINT(sc, BCE_EXTREME_CTX, "%s(); cid_addr = 0x%08X, offset = 0x%08X, " 1781 "val = 0x%08X\n", __FUNCTION__, cid_addr, ctx_offset, val); 1782 1783 return(val); 1784} 1785#endif 1786 1787/****************************************************************************/ 1788/* Context memory write. */ 1789/* */ 1790/* The NetXtreme II controller uses context memory to track connection */ 1791/* information for L2 and higher network protocols. */ 1792/* */ 1793/* Returns: */ 1794/* Nothing. */ 1795/****************************************************************************/ 1796static void 1797bce_ctx_wr(struct bce_softc *sc, u32 cid_addr, u32 ctx_offset, u32 ctx_val) 1798{ 1799 u32 idx, offset = ctx_offset + cid_addr; 1800 u32 val, retry_cnt = 5; 1801 1802 DBPRINT(sc, BCE_EXTREME_CTX, "%s(); cid_addr = 0x%08X, offset = 0x%08X, " 1803 "val = 0x%08X\n", __FUNCTION__, cid_addr, ctx_offset, ctx_val); 1804 1805 DBRUNIF((cid_addr > MAX_CID_ADDR || ctx_offset & 0x3 || cid_addr & CTX_MASK), 1806 BCE_PRINTF("%s(): Invalid CID address: 0x%08X.\n", 1807 __FUNCTION__, cid_addr)); 1808 1809 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 1810 REG_WR(sc, BCE_CTX_CTX_DATA, ctx_val); 1811 REG_WR(sc, BCE_CTX_CTX_CTRL, (offset | BCE_CTX_CTX_CTRL_WRITE_REQ)); 1812 1813 for (idx = 0; idx < retry_cnt; idx++) { 1814 val = REG_RD(sc, BCE_CTX_CTX_CTRL); 1815 if ((val & BCE_CTX_CTX_CTRL_WRITE_REQ) == 0) 1816 break; 1817 DELAY(5); 1818 } 1819 1820 if (val & BCE_CTX_CTX_CTRL_WRITE_REQ) 1821 BCE_PRINTF("%s(%d); Unable to write CTX memory: " 1822 "cid_addr = 0x%08X, offset = 0x%08X!\n", 1823 __FILE__, __LINE__, cid_addr, ctx_offset); 1824 1825 } else { 1826 REG_WR(sc, BCE_CTX_DATA_ADR, offset); 1827 REG_WR(sc, BCE_CTX_DATA, ctx_val); 1828 } 1829} 1830 1831/****************************************************************************/ 1832/* PHY register read. */ 1833/* */ 1834/* Implements register reads on the MII bus. */ 1835/* */ 1836/* Returns: */ 1837/* The value of the register. */ 1838/****************************************************************************/ 1839static int 1840bce_miibus_read_reg(device_t dev, int phy, int reg) 1841{ 1842 struct bce_softc *sc; 1843 u32 val; 1844 int i; 1845 1846 sc = device_get_softc(dev); 1847 1848 /* 1849 * The 5709S PHY is an IEEE Clause 45 PHY 1850 * with special mappings to work with IEEE 1851 * Clause 22 register accesses. 1852 */ 1853 if ((sc->bce_phy_flags & BCE_PHY_IEEE_CLAUSE_45_FLAG) != 0) { 1854 if (reg >= MII_BMCR && reg <= MII_ANLPRNP) 1855 reg += 0x10; 1856 } 1857 1858 if (sc->bce_phy_flags & BCE_PHY_INT_MODE_AUTO_POLLING_FLAG) { 1859 val = REG_RD(sc, BCE_EMAC_MDIO_MODE); 1860 val &= ~BCE_EMAC_MDIO_MODE_AUTO_POLL; 1861 1862 REG_WR(sc, BCE_EMAC_MDIO_MODE, val); 1863 REG_RD(sc, BCE_EMAC_MDIO_MODE); 1864 1865 DELAY(40); 1866 } 1867 1868 val = BCE_MIPHY(phy) | BCE_MIREG(reg) | 1869 BCE_EMAC_MDIO_COMM_COMMAND_READ | BCE_EMAC_MDIO_COMM_DISEXT | 1870 BCE_EMAC_MDIO_COMM_START_BUSY; 1871 REG_WR(sc, BCE_EMAC_MDIO_COMM, val); 1872 1873 for (i = 0; i < BCE_PHY_TIMEOUT; i++) { 1874 DELAY(10); 1875 1876 val = REG_RD(sc, BCE_EMAC_MDIO_COMM); 1877 if (!(val & BCE_EMAC_MDIO_COMM_START_BUSY)) { 1878 DELAY(5); 1879 1880 val = REG_RD(sc, BCE_EMAC_MDIO_COMM); 1881 val &= BCE_EMAC_MDIO_COMM_DATA; 1882 1883 break; 1884 } 1885 } 1886 1887 if (val & BCE_EMAC_MDIO_COMM_START_BUSY) { 1888 BCE_PRINTF("%s(%d): Error: PHY read timeout! phy = %d, " 1889 "reg = 0x%04X\n", __FILE__, __LINE__, phy, reg); 1890 val = 0x0; 1891 } else { 1892 val = REG_RD(sc, BCE_EMAC_MDIO_COMM); 1893 } 1894 1895 if (sc->bce_phy_flags & BCE_PHY_INT_MODE_AUTO_POLLING_FLAG) { 1896 val = REG_RD(sc, BCE_EMAC_MDIO_MODE); 1897 val |= BCE_EMAC_MDIO_MODE_AUTO_POLL; 1898 1899 REG_WR(sc, BCE_EMAC_MDIO_MODE, val); 1900 REG_RD(sc, BCE_EMAC_MDIO_MODE); 1901 1902 DELAY(40); 1903 } 1904 1905 DB_PRINT_PHY_REG(reg, val); 1906 return (val & 0xffff); 1907} 1908 1909/****************************************************************************/ 1910/* PHY register write. */ 1911/* */ 1912/* Implements register writes on the MII bus. */ 1913/* */ 1914/* Returns: */ 1915/* The value of the register. */ 1916/****************************************************************************/ 1917static int 1918bce_miibus_write_reg(device_t dev, int phy, int reg, int val) 1919{ 1920 struct bce_softc *sc; 1921 u32 val1; 1922 int i; 1923 1924 sc = device_get_softc(dev); 1925 1926 DB_PRINT_PHY_REG(reg, val); 1927 1928 /* 1929 * The 5709S PHY is an IEEE Clause 45 PHY 1930 * with special mappings to work with IEEE 1931 * Clause 22 register accesses. 1932 */ 1933 if ((sc->bce_phy_flags & BCE_PHY_IEEE_CLAUSE_45_FLAG) != 0) { 1934 if (reg >= MII_BMCR && reg <= MII_ANLPRNP) 1935 reg += 0x10; 1936 } 1937 1938 if (sc->bce_phy_flags & BCE_PHY_INT_MODE_AUTO_POLLING_FLAG) { 1939 val1 = REG_RD(sc, BCE_EMAC_MDIO_MODE); 1940 val1 &= ~BCE_EMAC_MDIO_MODE_AUTO_POLL; 1941 1942 REG_WR(sc, BCE_EMAC_MDIO_MODE, val1); 1943 REG_RD(sc, BCE_EMAC_MDIO_MODE); 1944 1945 DELAY(40); 1946 } 1947 1948 val1 = BCE_MIPHY(phy) | BCE_MIREG(reg) | val | 1949 BCE_EMAC_MDIO_COMM_COMMAND_WRITE | 1950 BCE_EMAC_MDIO_COMM_START_BUSY | BCE_EMAC_MDIO_COMM_DISEXT; 1951 REG_WR(sc, BCE_EMAC_MDIO_COMM, val1); 1952 1953 for (i = 0; i < BCE_PHY_TIMEOUT; i++) { 1954 DELAY(10); 1955 1956 val1 = REG_RD(sc, BCE_EMAC_MDIO_COMM); 1957 if (!(val1 & BCE_EMAC_MDIO_COMM_START_BUSY)) { 1958 DELAY(5); 1959 break; 1960 } 1961 } 1962 1963 if (val1 & BCE_EMAC_MDIO_COMM_START_BUSY) 1964 BCE_PRINTF("%s(%d): PHY write timeout!\n", 1965 __FILE__, __LINE__); 1966 1967 if (sc->bce_phy_flags & BCE_PHY_INT_MODE_AUTO_POLLING_FLAG) { 1968 val1 = REG_RD(sc, BCE_EMAC_MDIO_MODE); 1969 val1 |= BCE_EMAC_MDIO_MODE_AUTO_POLL; 1970 1971 REG_WR(sc, BCE_EMAC_MDIO_MODE, val1); 1972 REG_RD(sc, BCE_EMAC_MDIO_MODE); 1973 1974 DELAY(40); 1975 } 1976 1977 return 0; 1978} 1979 1980/****************************************************************************/ 1981/* MII bus status change. */ 1982/* */ 1983/* Called by the MII bus driver when the PHY establishes link to set the */ 1984/* MAC interface registers. */ 1985/* */ 1986/* Returns: */ 1987/* Nothing. */ 1988/****************************************************************************/ 1989static void 1990bce_miibus_statchg(device_t dev) 1991{ 1992 struct bce_softc *sc; 1993 struct mii_data *mii; 1994 struct ifmediareq ifmr; 1995 int media_active, media_status, val; 1996 1997 sc = device_get_softc(dev); 1998 1999 DBENTER(BCE_VERBOSE_PHY); 2000 2001 if ((sc->bce_phy_flags & BCE_PHY_REMOTE_CAP_FLAG) != 0) { 2002 bzero(&ifmr, sizeof(ifmr)); 2003 bce_ifmedia_sts_rphy(sc, &ifmr); 2004 media_active = ifmr.ifm_active; 2005 media_status = ifmr.ifm_status; 2006 } else { 2007 mii = device_get_softc(sc->bce_miibus); 2008 media_active = mii->mii_media_active; 2009 media_status = mii->mii_media_status; 2010 } 2011 2012 /* Ignore invalid media status. */ 2013 if ((media_status & (IFM_ACTIVE | IFM_AVALID)) != 2014 (IFM_ACTIVE | IFM_AVALID)) 2015 goto bce_miibus_statchg_exit; 2016 2017 val = REG_RD(sc, BCE_EMAC_MODE); 2018 val &= ~(BCE_EMAC_MODE_PORT | BCE_EMAC_MODE_HALF_DUPLEX | 2019 BCE_EMAC_MODE_MAC_LOOP | BCE_EMAC_MODE_FORCE_LINK | 2020 BCE_EMAC_MODE_25G); 2021 2022 /* Set MII or GMII interface based on the PHY speed. */ 2023 switch (IFM_SUBTYPE(media_active)) { 2024 case IFM_10_T: 2025 if (BCE_CHIP_NUM(sc) != BCE_CHIP_NUM_5706) { 2026 DBPRINT(sc, BCE_INFO_PHY, 2027 "Enabling 10Mb interface.\n"); 2028 val |= BCE_EMAC_MODE_PORT_MII_10; 2029 break; 2030 } 2031 /* fall-through */ 2032 case IFM_100_TX: 2033 DBPRINT(sc, BCE_INFO_PHY, "Enabling MII interface.\n"); 2034 val |= BCE_EMAC_MODE_PORT_MII; 2035 break; 2036 case IFM_2500_SX: 2037 DBPRINT(sc, BCE_INFO_PHY, "Enabling 2.5G MAC mode.\n"); 2038 val |= BCE_EMAC_MODE_25G; 2039 /* fall-through */ 2040 case IFM_1000_T: 2041 case IFM_1000_SX: 2042 DBPRINT(sc, BCE_INFO_PHY, "Enabling GMII interface.\n"); 2043 val |= BCE_EMAC_MODE_PORT_GMII; 2044 break; 2045 default: 2046 DBPRINT(sc, BCE_INFO_PHY, "Unknown link speed, enabling " 2047 "default GMII interface.\n"); 2048 val |= BCE_EMAC_MODE_PORT_GMII; 2049 } 2050 2051 /* Set half or full duplex based on PHY settings. */ 2052 if ((IFM_OPTIONS(media_active) & IFM_FDX) == 0) { 2053 DBPRINT(sc, BCE_INFO_PHY, 2054 "Setting Half-Duplex interface.\n"); 2055 val |= BCE_EMAC_MODE_HALF_DUPLEX; 2056 } else 2057 DBPRINT(sc, BCE_INFO_PHY, 2058 "Setting Full-Duplex interface.\n"); 2059 2060 REG_WR(sc, BCE_EMAC_MODE, val); 2061 2062 if ((IFM_OPTIONS(media_active) & IFM_ETH_RXPAUSE) != 0) { 2063 DBPRINT(sc, BCE_INFO_PHY, 2064 "%s(): Enabling RX flow control.\n", __FUNCTION__); 2065 BCE_SETBIT(sc, BCE_EMAC_RX_MODE, BCE_EMAC_RX_MODE_FLOW_EN); 2066 sc->bce_flags |= BCE_USING_RX_FLOW_CONTROL; 2067 } else { 2068 DBPRINT(sc, BCE_INFO_PHY, 2069 "%s(): Disabling RX flow control.\n", __FUNCTION__); 2070 BCE_CLRBIT(sc, BCE_EMAC_RX_MODE, BCE_EMAC_RX_MODE_FLOW_EN); 2071 sc->bce_flags &= ~BCE_USING_RX_FLOW_CONTROL; 2072 } 2073 2074 if ((IFM_OPTIONS(media_active) & IFM_ETH_TXPAUSE) != 0) { 2075 DBPRINT(sc, BCE_INFO_PHY, 2076 "%s(): Enabling TX flow control.\n", __FUNCTION__); 2077 BCE_SETBIT(sc, BCE_EMAC_TX_MODE, BCE_EMAC_TX_MODE_FLOW_EN); 2078 sc->bce_flags |= BCE_USING_TX_FLOW_CONTROL; 2079 } else { 2080 DBPRINT(sc, BCE_INFO_PHY, 2081 "%s(): Disabling TX flow control.\n", __FUNCTION__); 2082 BCE_CLRBIT(sc, BCE_EMAC_TX_MODE, BCE_EMAC_TX_MODE_FLOW_EN); 2083 sc->bce_flags &= ~BCE_USING_TX_FLOW_CONTROL; 2084 } 2085 2086 /* ToDo: Update watermarks in bce_init_rx_context(). */ 2087 2088bce_miibus_statchg_exit: 2089 DBEXIT(BCE_VERBOSE_PHY); 2090} 2091 2092/****************************************************************************/ 2093/* Acquire NVRAM lock. */ 2094/* */ 2095/* Before the NVRAM can be accessed the caller must acquire an NVRAM lock. */ 2096/* Locks 0 and 2 are reserved, lock 1 is used by firmware and lock 2 is */ 2097/* for use by the driver. */ 2098/* */ 2099/* Returns: */ 2100/* 0 on success, positive value on failure. */ 2101/****************************************************************************/ 2102static int 2103bce_acquire_nvram_lock(struct bce_softc *sc) 2104{ 2105 u32 val; 2106 int j, rc = 0; 2107 2108 DBENTER(BCE_VERBOSE_NVRAM); 2109 2110 /* Request access to the flash interface. */ 2111 REG_WR(sc, BCE_NVM_SW_ARB, BCE_NVM_SW_ARB_ARB_REQ_SET2); 2112 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { 2113 val = REG_RD(sc, BCE_NVM_SW_ARB); 2114 if (val & BCE_NVM_SW_ARB_ARB_ARB2) 2115 break; 2116 2117 DELAY(5); 2118 } 2119 2120 if (j >= NVRAM_TIMEOUT_COUNT) { 2121 DBPRINT(sc, BCE_WARN, "Timeout acquiring NVRAM lock!\n"); 2122 rc = EBUSY; 2123 } 2124 2125 DBEXIT(BCE_VERBOSE_NVRAM); 2126 return (rc); 2127} 2128 2129/****************************************************************************/ 2130/* Release NVRAM lock. */ 2131/* */ 2132/* When the caller is finished accessing NVRAM the lock must be released. */ 2133/* Locks 0 and 2 are reserved, lock 1 is used by firmware and lock 2 is */ 2134/* for use by the driver. */ 2135/* */ 2136/* Returns: */ 2137/* 0 on success, positive value on failure. */ 2138/****************************************************************************/ 2139static int 2140bce_release_nvram_lock(struct bce_softc *sc) 2141{ 2142 u32 val; 2143 int j, rc = 0; 2144 2145 DBENTER(BCE_VERBOSE_NVRAM); 2146 2147 /* 2148 * Relinquish nvram interface. 2149 */ 2150 REG_WR(sc, BCE_NVM_SW_ARB, BCE_NVM_SW_ARB_ARB_REQ_CLR2); 2151 2152 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { 2153 val = REG_RD(sc, BCE_NVM_SW_ARB); 2154 if (!(val & BCE_NVM_SW_ARB_ARB_ARB2)) 2155 break; 2156 2157 DELAY(5); 2158 } 2159 2160 if (j >= NVRAM_TIMEOUT_COUNT) { 2161 DBPRINT(sc, BCE_WARN, "Timeout releasing NVRAM lock!\n"); 2162 rc = EBUSY; 2163 } 2164 2165 DBEXIT(BCE_VERBOSE_NVRAM); 2166 return (rc); 2167} 2168 2169#ifdef BCE_NVRAM_WRITE_SUPPORT 2170/****************************************************************************/ 2171/* Enable NVRAM write access. */ 2172/* */ 2173/* Before writing to NVRAM the caller must enable NVRAM writes. */ 2174/* */ 2175/* Returns: */ 2176/* 0 on success, positive value on failure. */ 2177/****************************************************************************/ 2178static int 2179bce_enable_nvram_write(struct bce_softc *sc) 2180{ 2181 u32 val; 2182 int rc = 0; 2183 2184 DBENTER(BCE_VERBOSE_NVRAM); 2185 2186 val = REG_RD(sc, BCE_MISC_CFG); 2187 REG_WR(sc, BCE_MISC_CFG, val | BCE_MISC_CFG_NVM_WR_EN_PCI); 2188 2189 if (!(sc->bce_flash_info->flags & BCE_NV_BUFFERED)) { 2190 int j; 2191 2192 REG_WR(sc, BCE_NVM_COMMAND, BCE_NVM_COMMAND_DONE); 2193 REG_WR(sc, BCE_NVM_COMMAND, BCE_NVM_COMMAND_WREN | BCE_NVM_COMMAND_DOIT); 2194 2195 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { 2196 DELAY(5); 2197 2198 val = REG_RD(sc, BCE_NVM_COMMAND); 2199 if (val & BCE_NVM_COMMAND_DONE) 2200 break; 2201 } 2202 2203 if (j >= NVRAM_TIMEOUT_COUNT) { 2204 DBPRINT(sc, BCE_WARN, "Timeout writing NVRAM!\n"); 2205 rc = EBUSY; 2206 } 2207 } 2208 2209 DBENTER(BCE_VERBOSE_NVRAM); 2210 return (rc); 2211} 2212 2213/****************************************************************************/ 2214/* Disable NVRAM write access. */ 2215/* */ 2216/* When the caller is finished writing to NVRAM write access must be */ 2217/* disabled. */ 2218/* */ 2219/* Returns: */ 2220/* Nothing. */ 2221/****************************************************************************/ 2222static void 2223bce_disable_nvram_write(struct bce_softc *sc) 2224{ 2225 u32 val; 2226 2227 DBENTER(BCE_VERBOSE_NVRAM); 2228 2229 val = REG_RD(sc, BCE_MISC_CFG); 2230 REG_WR(sc, BCE_MISC_CFG, val & ~BCE_MISC_CFG_NVM_WR_EN); 2231 2232 DBEXIT(BCE_VERBOSE_NVRAM); 2233 2234} 2235#endif 2236 2237/****************************************************************************/ 2238/* Enable NVRAM access. */ 2239/* */ 2240/* Before accessing NVRAM for read or write operations the caller must */ 2241/* enabled NVRAM access. */ 2242/* */ 2243/* Returns: */ 2244/* Nothing. */ 2245/****************************************************************************/ 2246static void 2247bce_enable_nvram_access(struct bce_softc *sc) 2248{ 2249 u32 val; 2250 2251 DBENTER(BCE_VERBOSE_NVRAM); 2252 2253 val = REG_RD(sc, BCE_NVM_ACCESS_ENABLE); 2254 /* Enable both bits, even on read. */ 2255 REG_WR(sc, BCE_NVM_ACCESS_ENABLE, val | 2256 BCE_NVM_ACCESS_ENABLE_EN | BCE_NVM_ACCESS_ENABLE_WR_EN); 2257 2258 DBEXIT(BCE_VERBOSE_NVRAM); 2259} 2260 2261/****************************************************************************/ 2262/* Disable NVRAM access. */ 2263/* */ 2264/* When the caller is finished accessing NVRAM access must be disabled. */ 2265/* */ 2266/* Returns: */ 2267/* Nothing. */ 2268/****************************************************************************/ 2269static void 2270bce_disable_nvram_access(struct bce_softc *sc) 2271{ 2272 u32 val; 2273 2274 DBENTER(BCE_VERBOSE_NVRAM); 2275 2276 val = REG_RD(sc, BCE_NVM_ACCESS_ENABLE); 2277 2278 /* Disable both bits, even after read. */ 2279 REG_WR(sc, BCE_NVM_ACCESS_ENABLE, val & 2280 ~(BCE_NVM_ACCESS_ENABLE_EN | BCE_NVM_ACCESS_ENABLE_WR_EN)); 2281 2282 DBEXIT(BCE_VERBOSE_NVRAM); 2283} 2284 2285#ifdef BCE_NVRAM_WRITE_SUPPORT 2286/****************************************************************************/ 2287/* Erase NVRAM page before writing. */ 2288/* */ 2289/* Non-buffered flash parts require that a page be erased before it is */ 2290/* written. */ 2291/* */ 2292/* Returns: */ 2293/* 0 on success, positive value on failure. */ 2294/****************************************************************************/ 2295static int 2296bce_nvram_erase_page(struct bce_softc *sc, u32 offset) 2297{ 2298 u32 cmd; 2299 int j, rc = 0; 2300 2301 DBENTER(BCE_VERBOSE_NVRAM); 2302 2303 /* Buffered flash doesn't require an erase. */ 2304 if (sc->bce_flash_info->flags & BCE_NV_BUFFERED) 2305 goto bce_nvram_erase_page_exit; 2306 2307 /* Build an erase command. */ 2308 cmd = BCE_NVM_COMMAND_ERASE | BCE_NVM_COMMAND_WR | 2309 BCE_NVM_COMMAND_DOIT; 2310 2311 /* 2312 * Clear the DONE bit separately, set the NVRAM address to erase, 2313 * and issue the erase command. 2314 */ 2315 REG_WR(sc, BCE_NVM_COMMAND, BCE_NVM_COMMAND_DONE); 2316 REG_WR(sc, BCE_NVM_ADDR, offset & BCE_NVM_ADDR_NVM_ADDR_VALUE); 2317 REG_WR(sc, BCE_NVM_COMMAND, cmd); 2318 2319 /* Wait for completion. */ 2320 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { 2321 u32 val; 2322 2323 DELAY(5); 2324 2325 val = REG_RD(sc, BCE_NVM_COMMAND); 2326 if (val & BCE_NVM_COMMAND_DONE) 2327 break; 2328 } 2329 2330 if (j >= NVRAM_TIMEOUT_COUNT) { 2331 DBPRINT(sc, BCE_WARN, "Timeout erasing NVRAM.\n"); 2332 rc = EBUSY; 2333 } 2334 2335bce_nvram_erase_page_exit: 2336 DBEXIT(BCE_VERBOSE_NVRAM); 2337 return (rc); 2338} 2339#endif /* BCE_NVRAM_WRITE_SUPPORT */ 2340 2341/****************************************************************************/ 2342/* Read a dword (32 bits) from NVRAM. */ 2343/* */ 2344/* Read a 32 bit word from NVRAM. The caller is assumed to have already */ 2345/* obtained the NVRAM lock and enabled the controller for NVRAM access. */ 2346/* */ 2347/* Returns: */ 2348/* 0 on success and the 32 bit value read, positive value on failure. */ 2349/****************************************************************************/ 2350static int 2351bce_nvram_read_dword(struct bce_softc *sc, 2352 u32 offset, u8 *ret_val, u32 cmd_flags) 2353{ 2354 u32 cmd; 2355 int i, rc = 0; 2356 2357 DBENTER(BCE_EXTREME_NVRAM); 2358 2359 /* Build the command word. */ 2360 cmd = BCE_NVM_COMMAND_DOIT | cmd_flags; 2361 2362 /* Calculate the offset for buffered flash if translation is used. */ 2363 if (sc->bce_flash_info->flags & BCE_NV_TRANSLATE) { 2364 offset = ((offset / sc->bce_flash_info->page_size) << 2365 sc->bce_flash_info->page_bits) + 2366 (offset % sc->bce_flash_info->page_size); 2367 } 2368 2369 /* 2370 * Clear the DONE bit separately, set the address to read, 2371 * and issue the read. 2372 */ 2373 REG_WR(sc, BCE_NVM_COMMAND, BCE_NVM_COMMAND_DONE); 2374 REG_WR(sc, BCE_NVM_ADDR, offset & BCE_NVM_ADDR_NVM_ADDR_VALUE); 2375 REG_WR(sc, BCE_NVM_COMMAND, cmd); 2376 2377 /* Wait for completion. */ 2378 for (i = 0; i < NVRAM_TIMEOUT_COUNT; i++) { 2379 u32 val; 2380 2381 DELAY(5); 2382 2383 val = REG_RD(sc, BCE_NVM_COMMAND); 2384 if (val & BCE_NVM_COMMAND_DONE) { 2385 val = REG_RD(sc, BCE_NVM_READ); 2386 2387 val = bce_be32toh(val); 2388 memcpy(ret_val, &val, 4); 2389 break; 2390 } 2391 } 2392 2393 /* Check for errors. */ 2394 if (i >= NVRAM_TIMEOUT_COUNT) { 2395 BCE_PRINTF("%s(%d): Timeout error reading NVRAM at " 2396 "offset 0x%08X!\n", __FILE__, __LINE__, offset); 2397 rc = EBUSY; 2398 } 2399 2400 DBEXIT(BCE_EXTREME_NVRAM); 2401 return(rc); 2402} 2403 2404#ifdef BCE_NVRAM_WRITE_SUPPORT 2405/****************************************************************************/ 2406/* Write a dword (32 bits) to NVRAM. */ 2407/* */ 2408/* Write a 32 bit word to NVRAM. The caller is assumed to have already */ 2409/* obtained the NVRAM lock, enabled the controller for NVRAM access, and */ 2410/* enabled NVRAM write access. */ 2411/* */ 2412/* Returns: */ 2413/* 0 on success, positive value on failure. */ 2414/****************************************************************************/ 2415static int 2416bce_nvram_write_dword(struct bce_softc *sc, u32 offset, u8 *val, 2417 u32 cmd_flags) 2418{ 2419 u32 cmd, val32; 2420 int j, rc = 0; 2421 2422 DBENTER(BCE_VERBOSE_NVRAM); 2423 2424 /* Build the command word. */ 2425 cmd = BCE_NVM_COMMAND_DOIT | BCE_NVM_COMMAND_WR | cmd_flags; 2426 2427 /* Calculate the offset for buffered flash if translation is used. */ 2428 if (sc->bce_flash_info->flags & BCE_NV_TRANSLATE) { 2429 offset = ((offset / sc->bce_flash_info->page_size) << 2430 sc->bce_flash_info->page_bits) + 2431 (offset % sc->bce_flash_info->page_size); 2432 } 2433 2434 /* 2435 * Clear the DONE bit separately, convert NVRAM data to big-endian, 2436 * set the NVRAM address to write, and issue the write command 2437 */ 2438 REG_WR(sc, BCE_NVM_COMMAND, BCE_NVM_COMMAND_DONE); 2439 memcpy(&val32, val, 4); 2440 val32 = htobe32(val32); 2441 REG_WR(sc, BCE_NVM_WRITE, val32); 2442 REG_WR(sc, BCE_NVM_ADDR, offset & BCE_NVM_ADDR_NVM_ADDR_VALUE); 2443 REG_WR(sc, BCE_NVM_COMMAND, cmd); 2444 2445 /* Wait for completion. */ 2446 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { 2447 DELAY(5); 2448 2449 if (REG_RD(sc, BCE_NVM_COMMAND) & BCE_NVM_COMMAND_DONE) 2450 break; 2451 } 2452 if (j >= NVRAM_TIMEOUT_COUNT) { 2453 BCE_PRINTF("%s(%d): Timeout error writing NVRAM at " 2454 "offset 0x%08X\n", __FILE__, __LINE__, offset); 2455 rc = EBUSY; 2456 } 2457 2458 DBEXIT(BCE_VERBOSE_NVRAM); 2459 return (rc); 2460} 2461#endif /* BCE_NVRAM_WRITE_SUPPORT */ 2462 2463/****************************************************************************/ 2464/* Initialize NVRAM access. */ 2465/* */ 2466/* Identify the NVRAM device in use and prepare the NVRAM interface to */ 2467/* access that device. */ 2468/* */ 2469/* Returns: */ 2470/* 0 on success, positive value on failure. */ 2471/****************************************************************************/ 2472static int 2473bce_init_nvram(struct bce_softc *sc) 2474{ 2475 u32 val; 2476 int j, entry_count, rc = 0; 2477 const struct flash_spec *flash; 2478 2479 DBENTER(BCE_VERBOSE_NVRAM); 2480 2481 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 2482 sc->bce_flash_info = &flash_5709; 2483 goto bce_init_nvram_get_flash_size; 2484 } 2485 2486 /* Determine the selected interface. */ 2487 val = REG_RD(sc, BCE_NVM_CFG1); 2488 2489 entry_count = sizeof(flash_table) / sizeof(struct flash_spec); 2490 2491 /* 2492 * Flash reconfiguration is required to support additional 2493 * NVRAM devices not directly supported in hardware. 2494 * Check if the flash interface was reconfigured 2495 * by the bootcode. 2496 */ 2497 2498 if (val & 0x40000000) { 2499 /* Flash interface reconfigured by bootcode. */ 2500 2501 DBPRINT(sc,BCE_INFO_LOAD, 2502 "bce_init_nvram(): Flash WAS reconfigured.\n"); 2503 2504 for (j = 0, flash = &flash_table[0]; j < entry_count; 2505 j++, flash++) { 2506 if ((val & FLASH_BACKUP_STRAP_MASK) == 2507 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) { 2508 sc->bce_flash_info = flash; 2509 break; 2510 } 2511 } 2512 } else { 2513 /* Flash interface not yet reconfigured. */ 2514 u32 mask; 2515 2516 DBPRINT(sc, BCE_INFO_LOAD, "%s(): Flash was NOT reconfigured.\n", 2517 __FUNCTION__); 2518 2519 if (val & (1 << 23)) 2520 mask = FLASH_BACKUP_STRAP_MASK; 2521 else 2522 mask = FLASH_STRAP_MASK; 2523 2524 /* Look for the matching NVRAM device configuration data. */ 2525 for (j = 0, flash = &flash_table[0]; j < entry_count; j++, flash++) { 2526 /* Check if the device matches any of the known devices. */ 2527 if ((val & mask) == (flash->strapping & mask)) { 2528 /* Found a device match. */ 2529 sc->bce_flash_info = flash; 2530 2531 /* Request access to the flash interface. */ 2532 if ((rc = bce_acquire_nvram_lock(sc)) != 0) 2533 return rc; 2534 2535 /* Reconfigure the flash interface. */ 2536 bce_enable_nvram_access(sc); 2537 REG_WR(sc, BCE_NVM_CFG1, flash->config1); 2538 REG_WR(sc, BCE_NVM_CFG2, flash->config2); 2539 REG_WR(sc, BCE_NVM_CFG3, flash->config3); 2540 REG_WR(sc, BCE_NVM_WRITE1, flash->write1); 2541 bce_disable_nvram_access(sc); 2542 bce_release_nvram_lock(sc); 2543 2544 break; 2545 } 2546 } 2547 } 2548 2549 /* Check if a matching device was found. */ 2550 if (j == entry_count) { 2551 sc->bce_flash_info = NULL; 2552 BCE_PRINTF("%s(%d): Unknown Flash NVRAM found!\n", 2553 __FILE__, __LINE__); 2554 DBEXIT(BCE_VERBOSE_NVRAM); 2555 return (ENODEV); 2556 } 2557 2558bce_init_nvram_get_flash_size: 2559 /* Write the flash config data to the shared memory interface. */ 2560 val = bce_shmem_rd(sc, BCE_SHARED_HW_CFG_CONFIG2); 2561 val &= BCE_SHARED_HW_CFG2_NVM_SIZE_MASK; 2562 if (val) 2563 sc->bce_flash_size = val; 2564 else 2565 sc->bce_flash_size = sc->bce_flash_info->total_size; 2566 2567 DBPRINT(sc, BCE_INFO_LOAD, "%s(): Found %s, size = 0x%08X\n", 2568 __FUNCTION__, sc->bce_flash_info->name, 2569 sc->bce_flash_info->total_size); 2570 2571 DBEXIT(BCE_VERBOSE_NVRAM); 2572 return rc; 2573} 2574 2575/****************************************************************************/ 2576/* Read an arbitrary range of data from NVRAM. */ 2577/* */ 2578/* Prepares the NVRAM interface for access and reads the requested data */ 2579/* into the supplied buffer. */ 2580/* */ 2581/* Returns: */ 2582/* 0 on success and the data read, positive value on failure. */ 2583/****************************************************************************/ 2584static int 2585bce_nvram_read(struct bce_softc *sc, u32 offset, u8 *ret_buf, 2586 int buf_size) 2587{ 2588 int rc = 0; 2589 u32 cmd_flags, offset32, len32, extra; 2590 2591 DBENTER(BCE_VERBOSE_NVRAM); 2592 2593 if (buf_size == 0) 2594 goto bce_nvram_read_exit; 2595 2596 /* Request access to the flash interface. */ 2597 if ((rc = bce_acquire_nvram_lock(sc)) != 0) 2598 goto bce_nvram_read_exit; 2599 2600 /* Enable access to flash interface */ 2601 bce_enable_nvram_access(sc); 2602 2603 len32 = buf_size; 2604 offset32 = offset; 2605 extra = 0; 2606 2607 cmd_flags = 0; 2608 2609 if (offset32 & 3) { 2610 u8 buf[4]; 2611 u32 pre_len; 2612 2613 offset32 &= ~3; 2614 pre_len = 4 - (offset & 3); 2615 2616 if (pre_len >= len32) { 2617 pre_len = len32; 2618 cmd_flags = BCE_NVM_COMMAND_FIRST | BCE_NVM_COMMAND_LAST; 2619 } 2620 else { 2621 cmd_flags = BCE_NVM_COMMAND_FIRST; 2622 } 2623 2624 rc = bce_nvram_read_dword(sc, offset32, buf, cmd_flags); 2625 2626 if (rc) 2627 return rc; 2628 2629 memcpy(ret_buf, buf + (offset & 3), pre_len); 2630 2631 offset32 += 4; 2632 ret_buf += pre_len; 2633 len32 -= pre_len; 2634 } 2635 2636 if (len32 & 3) { 2637 extra = 4 - (len32 & 3); 2638 len32 = (len32 + 4) & ~3; 2639 } 2640 2641 if (len32 == 4) { 2642 u8 buf[4]; 2643 2644 if (cmd_flags) 2645 cmd_flags = BCE_NVM_COMMAND_LAST; 2646 else 2647 cmd_flags = BCE_NVM_COMMAND_FIRST | 2648 BCE_NVM_COMMAND_LAST; 2649 2650 rc = bce_nvram_read_dword(sc, offset32, buf, cmd_flags); 2651 2652 memcpy(ret_buf, buf, 4 - extra); 2653 } 2654 else if (len32 > 0) { 2655 u8 buf[4]; 2656 2657 /* Read the first word. */ 2658 if (cmd_flags) 2659 cmd_flags = 0; 2660 else 2661 cmd_flags = BCE_NVM_COMMAND_FIRST; 2662 2663 rc = bce_nvram_read_dword(sc, offset32, ret_buf, cmd_flags); 2664 2665 /* Advance to the next dword. */ 2666 offset32 += 4; 2667 ret_buf += 4; 2668 len32 -= 4; 2669 2670 while (len32 > 4 && rc == 0) { 2671 rc = bce_nvram_read_dword(sc, offset32, ret_buf, 0); 2672 2673 /* Advance to the next dword. */ 2674 offset32 += 4; 2675 ret_buf += 4; 2676 len32 -= 4; 2677 } 2678 2679 if (rc) 2680 goto bce_nvram_read_locked_exit; 2681 2682 cmd_flags = BCE_NVM_COMMAND_LAST; 2683 rc = bce_nvram_read_dword(sc, offset32, buf, cmd_flags); 2684 2685 memcpy(ret_buf, buf, 4 - extra); 2686 } 2687 2688bce_nvram_read_locked_exit: 2689 /* Disable access to flash interface and release the lock. */ 2690 bce_disable_nvram_access(sc); 2691 bce_release_nvram_lock(sc); 2692 2693bce_nvram_read_exit: 2694 DBEXIT(BCE_VERBOSE_NVRAM); 2695 return rc; 2696} 2697 2698#ifdef BCE_NVRAM_WRITE_SUPPORT 2699/****************************************************************************/ 2700/* Write an arbitrary range of data from NVRAM. */ 2701/* */ 2702/* Prepares the NVRAM interface for write access and writes the requested */ 2703/* data from the supplied buffer. The caller is responsible for */ 2704/* calculating any appropriate CRCs. */ 2705/* */ 2706/* Returns: */ 2707/* 0 on success, positive value on failure. */ 2708/****************************************************************************/ 2709static int 2710bce_nvram_write(struct bce_softc *sc, u32 offset, u8 *data_buf, 2711 int buf_size) 2712{ 2713 u32 written, offset32, len32; 2714 u8 *buf, start[4], end[4]; 2715 int rc = 0; 2716 int align_start, align_end; 2717 2718 DBENTER(BCE_VERBOSE_NVRAM); 2719 2720 buf = data_buf; 2721 offset32 = offset; 2722 len32 = buf_size; 2723 align_start = align_end = 0; 2724 2725 if ((align_start = (offset32 & 3))) { 2726 offset32 &= ~3; 2727 len32 += align_start; 2728 if ((rc = bce_nvram_read(sc, offset32, start, 4))) 2729 goto bce_nvram_write_exit; 2730 } 2731 2732 if (len32 & 3) { 2733 if ((len32 > 4) || !align_start) { 2734 align_end = 4 - (len32 & 3); 2735 len32 += align_end; 2736 if ((rc = bce_nvram_read(sc, offset32 + len32 - 4, 2737 end, 4))) { 2738 goto bce_nvram_write_exit; 2739 } 2740 } 2741 } 2742 2743 if (align_start || align_end) { 2744 buf = malloc(len32, M_DEVBUF, M_NOWAIT); 2745 if (buf == NULL) { 2746 rc = ENOMEM; 2747 goto bce_nvram_write_exit; 2748 } 2749 2750 if (align_start) { 2751 memcpy(buf, start, 4); 2752 } 2753 2754 if (align_end) { 2755 memcpy(buf + len32 - 4, end, 4); 2756 } 2757 memcpy(buf + align_start, data_buf, buf_size); 2758 } 2759 2760 written = 0; 2761 while ((written < len32) && (rc == 0)) { 2762 u32 page_start, page_end, data_start, data_end; 2763 u32 addr, cmd_flags; 2764 int i; 2765 u8 flash_buffer[264]; 2766 2767 /* Find the page_start addr */ 2768 page_start = offset32 + written; 2769 page_start -= (page_start % sc->bce_flash_info->page_size); 2770 /* Find the page_end addr */ 2771 page_end = page_start + sc->bce_flash_info->page_size; 2772 /* Find the data_start addr */ 2773 data_start = (written == 0) ? offset32 : page_start; 2774 /* Find the data_end addr */ 2775 data_end = (page_end > offset32 + len32) ? 2776 (offset32 + len32) : page_end; 2777 2778 /* Request access to the flash interface. */ 2779 if ((rc = bce_acquire_nvram_lock(sc)) != 0) 2780 goto bce_nvram_write_exit; 2781 2782 /* Enable access to flash interface */ 2783 bce_enable_nvram_access(sc); 2784 2785 cmd_flags = BCE_NVM_COMMAND_FIRST; 2786 if (!(sc->bce_flash_info->flags & BCE_NV_BUFFERED)) { 2787 int j; 2788 2789 /* Read the whole page into the buffer 2790 * (non-buffer flash only) */ 2791 for (j = 0; j < sc->bce_flash_info->page_size; j += 4) { 2792 if (j == (sc->bce_flash_info->page_size - 4)) { 2793 cmd_flags |= BCE_NVM_COMMAND_LAST; 2794 } 2795 rc = bce_nvram_read_dword(sc, 2796 page_start + j, 2797 &flash_buffer[j], 2798 cmd_flags); 2799 2800 if (rc) 2801 goto bce_nvram_write_locked_exit; 2802 2803 cmd_flags = 0; 2804 } 2805 } 2806 2807 /* Enable writes to flash interface (unlock write-protect) */ 2808 if ((rc = bce_enable_nvram_write(sc)) != 0) 2809 goto bce_nvram_write_locked_exit; 2810 2811 /* Erase the page */ 2812 if ((rc = bce_nvram_erase_page(sc, page_start)) != 0) 2813 goto bce_nvram_write_locked_exit; 2814 2815 /* Re-enable the write again for the actual write */ 2816 bce_enable_nvram_write(sc); 2817 2818 /* Loop to write back the buffer data from page_start to 2819 * data_start */ 2820 i = 0; 2821 if (!(sc->bce_flash_info->flags & BCE_NV_BUFFERED)) { 2822 for (addr = page_start; addr < data_start; 2823 addr += 4, i += 4) { 2824 rc = bce_nvram_write_dword(sc, addr, 2825 &flash_buffer[i], cmd_flags); 2826 2827 if (rc != 0) 2828 goto bce_nvram_write_locked_exit; 2829 2830 cmd_flags = 0; 2831 } 2832 } 2833 2834 /* Loop to write the new data from data_start to data_end */ 2835 for (addr = data_start; addr < data_end; addr += 4, i++) { 2836 if ((addr == page_end - 4) || 2837 ((sc->bce_flash_info->flags & BCE_NV_BUFFERED) && 2838 (addr == data_end - 4))) { 2839 cmd_flags |= BCE_NVM_COMMAND_LAST; 2840 } 2841 rc = bce_nvram_write_dword(sc, addr, buf, 2842 cmd_flags); 2843 2844 if (rc != 0) 2845 goto bce_nvram_write_locked_exit; 2846 2847 cmd_flags = 0; 2848 buf += 4; 2849 } 2850 2851 /* Loop to write back the buffer data from data_end 2852 * to page_end */ 2853 if (!(sc->bce_flash_info->flags & BCE_NV_BUFFERED)) { 2854 for (addr = data_end; addr < page_end; 2855 addr += 4, i += 4) { 2856 if (addr == page_end-4) { 2857 cmd_flags = BCE_NVM_COMMAND_LAST; 2858 } 2859 rc = bce_nvram_write_dword(sc, addr, 2860 &flash_buffer[i], cmd_flags); 2861 2862 if (rc != 0) 2863 goto bce_nvram_write_locked_exit; 2864 2865 cmd_flags = 0; 2866 } 2867 } 2868 2869 /* Disable writes to flash interface (lock write-protect) */ 2870 bce_disable_nvram_write(sc); 2871 2872 /* Disable access to flash interface */ 2873 bce_disable_nvram_access(sc); 2874 bce_release_nvram_lock(sc); 2875 2876 /* Increment written */ 2877 written += data_end - data_start; 2878 } 2879 2880 goto bce_nvram_write_exit; 2881 2882bce_nvram_write_locked_exit: 2883 bce_disable_nvram_write(sc); 2884 bce_disable_nvram_access(sc); 2885 bce_release_nvram_lock(sc); 2886 2887bce_nvram_write_exit: 2888 if (align_start || align_end) 2889 free(buf, M_DEVBUF); 2890 2891 DBEXIT(BCE_VERBOSE_NVRAM); 2892 return (rc); 2893} 2894#endif /* BCE_NVRAM_WRITE_SUPPORT */ 2895 2896/****************************************************************************/ 2897/* Verifies that NVRAM is accessible and contains valid data. */ 2898/* */ 2899/* Reads the configuration data from NVRAM and verifies that the CRC is */ 2900/* correct. */ 2901/* */ 2902/* Returns: */ 2903/* 0 on success, positive value on failure. */ 2904/****************************************************************************/ 2905static int 2906bce_nvram_test(struct bce_softc *sc) 2907{ 2908 u32 buf[BCE_NVRAM_SIZE / 4]; 2909 u8 *data = (u8 *) buf; 2910 int rc = 0; 2911 u32 magic, csum; 2912 2913 DBENTER(BCE_VERBOSE_NVRAM | BCE_VERBOSE_LOAD | BCE_VERBOSE_RESET); 2914 2915 /* 2916 * Check that the device NVRAM is valid by reading 2917 * the magic value at offset 0. 2918 */ 2919 if ((rc = bce_nvram_read(sc, 0, data, 4)) != 0) { 2920 BCE_PRINTF("%s(%d): Unable to read NVRAM!\n", 2921 __FILE__, __LINE__); 2922 goto bce_nvram_test_exit; 2923 } 2924 2925 /* 2926 * Verify that offset 0 of the NVRAM contains 2927 * a valid magic number. 2928 */ 2929 magic = bce_be32toh(buf[0]); 2930 if (magic != BCE_NVRAM_MAGIC) { 2931 rc = ENODEV; 2932 BCE_PRINTF("%s(%d): Invalid NVRAM magic value! " 2933 "Expected: 0x%08X, Found: 0x%08X\n", 2934 __FILE__, __LINE__, BCE_NVRAM_MAGIC, magic); 2935 goto bce_nvram_test_exit; 2936 } 2937 2938 /* 2939 * Verify that the device NVRAM includes valid 2940 * configuration data. 2941 */ 2942 if ((rc = bce_nvram_read(sc, 0x100, data, BCE_NVRAM_SIZE)) != 0) { 2943 BCE_PRINTF("%s(%d): Unable to read manufacturing " 2944 "Information from NVRAM!\n", __FILE__, __LINE__); 2945 goto bce_nvram_test_exit; 2946 } 2947 2948 csum = ether_crc32_le(data, 0x100); 2949 if (csum != BCE_CRC32_RESIDUAL) { 2950 rc = ENODEV; 2951 BCE_PRINTF("%s(%d): Invalid manufacturing information " 2952 "NVRAM CRC! Expected: 0x%08X, Found: 0x%08X\n", 2953 __FILE__, __LINE__, BCE_CRC32_RESIDUAL, csum); 2954 goto bce_nvram_test_exit; 2955 } 2956 2957 csum = ether_crc32_le(data + 0x100, 0x100); 2958 if (csum != BCE_CRC32_RESIDUAL) { 2959 rc = ENODEV; 2960 BCE_PRINTF("%s(%d): Invalid feature configuration " 2961 "information NVRAM CRC! Expected: 0x%08X, " 2962 "Found: 08%08X\n", __FILE__, __LINE__, 2963 BCE_CRC32_RESIDUAL, csum); 2964 } 2965 2966bce_nvram_test_exit: 2967 DBEXIT(BCE_VERBOSE_NVRAM | BCE_VERBOSE_LOAD | BCE_VERBOSE_RESET); 2968 return rc; 2969} 2970 2971/****************************************************************************/ 2972/* Calculates the size of the buffers to allocate based on the MTU. */ 2973/* */ 2974/* Returns: */ 2975/* Nothing. */ 2976/****************************************************************************/ 2977static void 2978bce_get_rx_buffer_sizes(struct bce_softc *sc, int mtu) 2979{ 2980 DBENTER(BCE_VERBOSE_LOAD); 2981 2982 /* Use a single allocation type when header splitting enabled. */ 2983 if (bce_hdr_split == TRUE) { 2984 sc->rx_bd_mbuf_alloc_size = MHLEN; 2985 /* Make sure offset is 16 byte aligned for hardware. */ 2986 sc->rx_bd_mbuf_align_pad = 2987 roundup2(MSIZE - MHLEN, 16) - (MSIZE - MHLEN); 2988 sc->rx_bd_mbuf_data_len = sc->rx_bd_mbuf_alloc_size - 2989 sc->rx_bd_mbuf_align_pad; 2990 } else { 2991 if ((mtu + ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN + 2992 ETHER_CRC_LEN) > MCLBYTES) { 2993 /* Setup for jumbo RX buffer allocations. */ 2994 sc->rx_bd_mbuf_alloc_size = MJUM9BYTES; 2995 sc->rx_bd_mbuf_align_pad = 2996 roundup2(MJUM9BYTES, 16) - MJUM9BYTES; 2997 sc->rx_bd_mbuf_data_len = 2998 sc->rx_bd_mbuf_alloc_size - 2999 sc->rx_bd_mbuf_align_pad; 3000 } else { 3001 /* Setup for standard RX buffer allocations. */ 3002 sc->rx_bd_mbuf_alloc_size = MCLBYTES; 3003 sc->rx_bd_mbuf_align_pad = 3004 roundup2(MCLBYTES, 16) - MCLBYTES; 3005 sc->rx_bd_mbuf_data_len = 3006 sc->rx_bd_mbuf_alloc_size - 3007 sc->rx_bd_mbuf_align_pad; 3008 } 3009 } 3010 3011// DBPRINT(sc, BCE_INFO_LOAD, 3012 DBPRINT(sc, BCE_WARN, 3013 "%s(): rx_bd_mbuf_alloc_size = %d, rx_bd_mbuf_data_len = %d, " 3014 "rx_bd_mbuf_align_pad = %d\n", __FUNCTION__, 3015 sc->rx_bd_mbuf_alloc_size, sc->rx_bd_mbuf_data_len, 3016 sc->rx_bd_mbuf_align_pad); 3017 3018 DBEXIT(BCE_VERBOSE_LOAD); 3019} 3020 3021/****************************************************************************/ 3022/* Identifies the current media type of the controller and sets the PHY */ 3023/* address. */ 3024/* */ 3025/* Returns: */ 3026/* Nothing. */ 3027/****************************************************************************/ 3028static void 3029bce_get_media(struct bce_softc *sc) 3030{ 3031 u32 val; 3032 3033 DBENTER(BCE_VERBOSE_PHY); 3034 3035 /* Assume PHY address for copper controllers. */ 3036 sc->bce_phy_addr = 1; 3037 3038 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 3039 u32 val = REG_RD(sc, BCE_MISC_DUAL_MEDIA_CTRL); 3040 u32 bond_id = val & BCE_MISC_DUAL_MEDIA_CTRL_BOND_ID; 3041 u32 strap; 3042 3043 /* 3044 * The BCM5709S is software configurable 3045 * for Copper or SerDes operation. 3046 */ 3047 if (bond_id == BCE_MISC_DUAL_MEDIA_CTRL_BOND_ID_C) { 3048 DBPRINT(sc, BCE_INFO_LOAD, "5709 bonded " 3049 "for copper.\n"); 3050 goto bce_get_media_exit; 3051 } else if (bond_id == BCE_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) { 3052 DBPRINT(sc, BCE_INFO_LOAD, "5709 bonded " 3053 "for dual media.\n"); 3054 sc->bce_phy_flags |= BCE_PHY_SERDES_FLAG; 3055 goto bce_get_media_exit; 3056 } 3057 3058 if (val & BCE_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE) 3059 strap = (val & 3060 BCE_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21; 3061 else 3062 strap = (val & 3063 BCE_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8; 3064 3065 if (pci_get_function(sc->bce_dev) == 0) { 3066 switch (strap) { 3067 case 0x4: 3068 case 0x5: 3069 case 0x6: 3070 DBPRINT(sc, BCE_INFO_LOAD, 3071 "BCM5709 s/w configured for SerDes.\n"); 3072 sc->bce_phy_flags |= BCE_PHY_SERDES_FLAG; 3073 break; 3074 default: 3075 DBPRINT(sc, BCE_INFO_LOAD, 3076 "BCM5709 s/w configured for Copper.\n"); 3077 break; 3078 } 3079 } else { 3080 switch (strap) { 3081 case 0x1: 3082 case 0x2: 3083 case 0x4: 3084 DBPRINT(sc, BCE_INFO_LOAD, 3085 "BCM5709 s/w configured for SerDes.\n"); 3086 sc->bce_phy_flags |= BCE_PHY_SERDES_FLAG; 3087 break; 3088 default: 3089 DBPRINT(sc, BCE_INFO_LOAD, 3090 "BCM5709 s/w configured for Copper.\n"); 3091 break; 3092 } 3093 } 3094 3095 } else if (BCE_CHIP_BOND_ID(sc) & BCE_CHIP_BOND_ID_SERDES_BIT) 3096 sc->bce_phy_flags |= BCE_PHY_SERDES_FLAG; 3097 3098 if (sc->bce_phy_flags & BCE_PHY_SERDES_FLAG) { 3099 sc->bce_flags |= BCE_NO_WOL_FLAG; 3100 3101 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) 3102 sc->bce_phy_flags |= BCE_PHY_IEEE_CLAUSE_45_FLAG; 3103 3104 if (BCE_CHIP_NUM(sc) != BCE_CHIP_NUM_5706) { 3105 /* 5708S/09S/16S use a separate PHY for SerDes. */ 3106 sc->bce_phy_addr = 2; 3107 3108 val = bce_shmem_rd(sc, BCE_SHARED_HW_CFG_CONFIG); 3109 if (val & BCE_SHARED_HW_CFG_PHY_2_5G) { 3110 sc->bce_phy_flags |= 3111 BCE_PHY_2_5G_CAPABLE_FLAG; 3112 DBPRINT(sc, BCE_INFO_LOAD, "Found 2.5Gb " 3113 "capable adapter\n"); 3114 } 3115 } 3116 } else if ((BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5706) || 3117 (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5708)) 3118 sc->bce_phy_flags |= BCE_PHY_CRC_FIX_FLAG; 3119 3120bce_get_media_exit: 3121 DBPRINT(sc, (BCE_INFO_LOAD | BCE_INFO_PHY), 3122 "Using PHY address %d.\n", sc->bce_phy_addr); 3123 3124 DBEXIT(BCE_VERBOSE_PHY); 3125} 3126 3127/****************************************************************************/ 3128/* Performs PHY initialization required before MII drivers access the */ 3129/* device. */ 3130/* */ 3131/* Returns: */ 3132/* Nothing. */ 3133/****************************************************************************/ 3134static void 3135bce_init_media(struct bce_softc *sc) 3136{ 3137 if ((sc->bce_phy_flags & (BCE_PHY_IEEE_CLAUSE_45_FLAG | 3138 BCE_PHY_REMOTE_CAP_FLAG)) == BCE_PHY_IEEE_CLAUSE_45_FLAG) { 3139 /* 3140 * Configure 5709S/5716S PHYs to use traditional IEEE 3141 * Clause 22 method. Otherwise we have no way to attach 3142 * the PHY in mii(4) layer. PHY specific configuration 3143 * is done in mii layer. 3144 */ 3145 3146 /* Select auto-negotiation MMD of the PHY. */ 3147 bce_miibus_write_reg(sc->bce_dev, sc->bce_phy_addr, 3148 BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_ADDR_EXT); 3149 bce_miibus_write_reg(sc->bce_dev, sc->bce_phy_addr, 3150 BRGPHY_ADDR_EXT, BRGPHY_ADDR_EXT_AN_MMD); 3151 3152 /* Set IEEE0 block of AN MMD (assumed in brgphy(4) code). */ 3153 bce_miibus_write_reg(sc->bce_dev, sc->bce_phy_addr, 3154 BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_COMBO_IEEE0); 3155 } 3156} 3157 3158/****************************************************************************/ 3159/* Free any DMA memory owned by the driver. */ 3160/* */ 3161/* Scans through each data structure that requires DMA memory and frees */ 3162/* the memory if allocated. */ 3163/* */ 3164/* Returns: */ 3165/* Nothing. */ 3166/****************************************************************************/ 3167static void 3168bce_dma_free(struct bce_softc *sc) 3169{ 3170 int i; 3171 3172 DBENTER(BCE_VERBOSE_RESET | BCE_VERBOSE_UNLOAD | BCE_VERBOSE_CTX); 3173 3174 /* Free, unmap, and destroy the status block. */ 3175 if (sc->status_block_paddr != 0) { 3176 bus_dmamap_unload( 3177 sc->status_tag, 3178 sc->status_map); 3179 sc->status_block_paddr = 0; 3180 } 3181 3182 if (sc->status_block != NULL) { 3183 bus_dmamem_free( 3184 sc->status_tag, 3185 sc->status_block, 3186 sc->status_map); 3187 sc->status_block = NULL; 3188 } 3189 3190 if (sc->status_tag != NULL) { 3191 bus_dma_tag_destroy(sc->status_tag); 3192 sc->status_tag = NULL; 3193 } 3194 3195 /* Free, unmap, and destroy the statistics block. */ 3196 if (sc->stats_block_paddr != 0) { 3197 bus_dmamap_unload( 3198 sc->stats_tag, 3199 sc->stats_map); 3200 sc->stats_block_paddr = 0; 3201 } 3202 3203 if (sc->stats_block != NULL) { 3204 bus_dmamem_free( 3205 sc->stats_tag, 3206 sc->stats_block, 3207 sc->stats_map); 3208 sc->stats_block = NULL; 3209 } 3210 3211 if (sc->stats_tag != NULL) { 3212 bus_dma_tag_destroy(sc->stats_tag); 3213 sc->stats_tag = NULL; 3214 } 3215 3216 /* Free, unmap and destroy all context memory pages. */ 3217 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 3218 for (i = 0; i < sc->ctx_pages; i++ ) { 3219 if (sc->ctx_paddr[i] != 0) { 3220 bus_dmamap_unload( 3221 sc->ctx_tag, 3222 sc->ctx_map[i]); 3223 sc->ctx_paddr[i] = 0; 3224 } 3225 3226 if (sc->ctx_block[i] != NULL) { 3227 bus_dmamem_free( 3228 sc->ctx_tag, 3229 sc->ctx_block[i], 3230 sc->ctx_map[i]); 3231 sc->ctx_block[i] = NULL; 3232 } 3233 } 3234 3235 /* Destroy the context memory tag. */ 3236 if (sc->ctx_tag != NULL) { 3237 bus_dma_tag_destroy(sc->ctx_tag); 3238 sc->ctx_tag = NULL; 3239 } 3240 } 3241 3242 /* Free, unmap and destroy all TX buffer descriptor chain pages. */ 3243 for (i = 0; i < sc->tx_pages; i++ ) { 3244 if (sc->tx_bd_chain_paddr[i] != 0) { 3245 bus_dmamap_unload( 3246 sc->tx_bd_chain_tag, 3247 sc->tx_bd_chain_map[i]); 3248 sc->tx_bd_chain_paddr[i] = 0; 3249 } 3250 3251 if (sc->tx_bd_chain[i] != NULL) { 3252 bus_dmamem_free( 3253 sc->tx_bd_chain_tag, 3254 sc->tx_bd_chain[i], 3255 sc->tx_bd_chain_map[i]); 3256 sc->tx_bd_chain[i] = NULL; 3257 } 3258 } 3259 3260 /* Destroy the TX buffer descriptor tag. */ 3261 if (sc->tx_bd_chain_tag != NULL) { 3262 bus_dma_tag_destroy(sc->tx_bd_chain_tag); 3263 sc->tx_bd_chain_tag = NULL; 3264 } 3265 3266 /* Free, unmap and destroy all RX buffer descriptor chain pages. */ 3267 for (i = 0; i < sc->rx_pages; i++ ) { 3268 if (sc->rx_bd_chain_paddr[i] != 0) { 3269 bus_dmamap_unload( 3270 sc->rx_bd_chain_tag, 3271 sc->rx_bd_chain_map[i]); 3272 sc->rx_bd_chain_paddr[i] = 0; 3273 } 3274 3275 if (sc->rx_bd_chain[i] != NULL) { 3276 bus_dmamem_free( 3277 sc->rx_bd_chain_tag, 3278 sc->rx_bd_chain[i], 3279 sc->rx_bd_chain_map[i]); 3280 sc->rx_bd_chain[i] = NULL; 3281 } 3282 } 3283 3284 /* Destroy the RX buffer descriptor tag. */ 3285 if (sc->rx_bd_chain_tag != NULL) { 3286 bus_dma_tag_destroy(sc->rx_bd_chain_tag); 3287 sc->rx_bd_chain_tag = NULL; 3288 } 3289 3290 /* Free, unmap and destroy all page buffer descriptor chain pages. */ 3291 if (bce_hdr_split == TRUE) { 3292 for (i = 0; i < sc->pg_pages; i++ ) { 3293 if (sc->pg_bd_chain_paddr[i] != 0) { 3294 bus_dmamap_unload( 3295 sc->pg_bd_chain_tag, 3296 sc->pg_bd_chain_map[i]); 3297 sc->pg_bd_chain_paddr[i] = 0; 3298 } 3299 3300 if (sc->pg_bd_chain[i] != NULL) { 3301 bus_dmamem_free( 3302 sc->pg_bd_chain_tag, 3303 sc->pg_bd_chain[i], 3304 sc->pg_bd_chain_map[i]); 3305 sc->pg_bd_chain[i] = NULL; 3306 } 3307 } 3308 3309 /* Destroy the page buffer descriptor tag. */ 3310 if (sc->pg_bd_chain_tag != NULL) { 3311 bus_dma_tag_destroy(sc->pg_bd_chain_tag); 3312 sc->pg_bd_chain_tag = NULL; 3313 } 3314 } 3315 3316 /* Unload and destroy the TX mbuf maps. */ 3317 for (i = 0; i < MAX_TX_BD_AVAIL; i++) { 3318 if (sc->tx_mbuf_map[i] != NULL) { 3319 bus_dmamap_unload(sc->tx_mbuf_tag, 3320 sc->tx_mbuf_map[i]); 3321 bus_dmamap_destroy(sc->tx_mbuf_tag, 3322 sc->tx_mbuf_map[i]); 3323 sc->tx_mbuf_map[i] = NULL; 3324 } 3325 } 3326 3327 /* Destroy the TX mbuf tag. */ 3328 if (sc->tx_mbuf_tag != NULL) { 3329 bus_dma_tag_destroy(sc->tx_mbuf_tag); 3330 sc->tx_mbuf_tag = NULL; 3331 } 3332 3333 /* Unload and destroy the RX mbuf maps. */ 3334 for (i = 0; i < MAX_RX_BD_AVAIL; i++) { 3335 if (sc->rx_mbuf_map[i] != NULL) { 3336 bus_dmamap_unload(sc->rx_mbuf_tag, 3337 sc->rx_mbuf_map[i]); 3338 bus_dmamap_destroy(sc->rx_mbuf_tag, 3339 sc->rx_mbuf_map[i]); 3340 sc->rx_mbuf_map[i] = NULL; 3341 } 3342 } 3343 3344 /* Destroy the RX mbuf tag. */ 3345 if (sc->rx_mbuf_tag != NULL) { 3346 bus_dma_tag_destroy(sc->rx_mbuf_tag); 3347 sc->rx_mbuf_tag = NULL; 3348 } 3349 3350 /* Unload and destroy the page mbuf maps. */ 3351 if (bce_hdr_split == TRUE) { 3352 for (i = 0; i < MAX_PG_BD_AVAIL; i++) { 3353 if (sc->pg_mbuf_map[i] != NULL) { 3354 bus_dmamap_unload(sc->pg_mbuf_tag, 3355 sc->pg_mbuf_map[i]); 3356 bus_dmamap_destroy(sc->pg_mbuf_tag, 3357 sc->pg_mbuf_map[i]); 3358 sc->pg_mbuf_map[i] = NULL; 3359 } 3360 } 3361 3362 /* Destroy the page mbuf tag. */ 3363 if (sc->pg_mbuf_tag != NULL) { 3364 bus_dma_tag_destroy(sc->pg_mbuf_tag); 3365 sc->pg_mbuf_tag = NULL; 3366 } 3367 } 3368 3369 /* Destroy the parent tag */ 3370 if (sc->parent_tag != NULL) { 3371 bus_dma_tag_destroy(sc->parent_tag); 3372 sc->parent_tag = NULL; 3373 } 3374 3375 DBEXIT(BCE_VERBOSE_RESET | BCE_VERBOSE_UNLOAD | BCE_VERBOSE_CTX); 3376} 3377 3378/****************************************************************************/ 3379/* Get DMA memory from the OS. */ 3380/* */ 3381/* Validates that the OS has provided DMA buffers in response to a */ 3382/* bus_dmamap_load() call and saves the physical address of those buffers. */ 3383/* When the callback is used the OS will return 0 for the mapping function */ 3384/* (bus_dmamap_load()) so we use the value of map_arg->maxsegs to pass any */ 3385/* failures back to the caller. */ 3386/* */ 3387/* Returns: */ 3388/* Nothing. */ 3389/****************************************************************************/ 3390static void 3391bce_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) 3392{ 3393 bus_addr_t *busaddr = arg; 3394 3395 KASSERT(nseg == 1, ("%s(): Too many segments returned (%d)!", 3396 __FUNCTION__, nseg)); 3397 /* Simulate a mapping failure. */ 3398 DBRUNIF(DB_RANDOMTRUE(dma_map_addr_failed_sim_control), 3399 error = ENOMEM); 3400 3401 /* ToDo: How to increment debug sim_count variable here? */ 3402 3403 /* Check for an error and signal the caller that an error occurred. */ 3404 if (error) { 3405 *busaddr = 0; 3406 } else { 3407 *busaddr = segs->ds_addr; 3408 } 3409} 3410 3411/****************************************************************************/ 3412/* Allocate any DMA memory needed by the driver. */ 3413/* */ 3414/* Allocates DMA memory needed for the various global structures needed by */ 3415/* hardware. */ 3416/* */ 3417/* Memory alignment requirements: */ 3418/* +-----------------+----------+----------+----------+----------+ */ 3419/* | | 5706 | 5708 | 5709 | 5716 | */ 3420/* +-----------------+----------+----------+----------+----------+ */ 3421/* |Status Block | 8 bytes | 8 bytes | 16 bytes | 16 bytes | */ 3422/* |Statistics Block | 8 bytes | 8 bytes | 16 bytes | 16 bytes | */ 3423/* |RX Buffers | 16 bytes | 16 bytes | 16 bytes | 16 bytes | */ 3424/* |PG Buffers | none | none | none | none | */ 3425/* |TX Buffers | none | none | none | none | */ 3426/* |Chain Pages(1) | 4KiB | 4KiB | 4KiB | 4KiB | */ 3427/* |Context Memory | | | | | */ 3428/* +-----------------+----------+----------+----------+----------+ */ 3429/* */ 3430/* (1) Must align with CPU page size (BCM_PAGE_SZIE). */ 3431/* */ 3432/* Returns: */ 3433/* 0 for success, positive value for failure. */ 3434/****************************************************************************/ 3435static int 3436bce_dma_alloc(device_t dev) 3437{ 3438 struct bce_softc *sc; 3439 int i, error, rc = 0; 3440 bus_size_t max_size, max_seg_size; 3441 int max_segments; 3442 3443 sc = device_get_softc(dev); 3444 3445 DBENTER(BCE_VERBOSE_RESET | BCE_VERBOSE_CTX); 3446 3447 /* 3448 * Allocate the parent bus DMA tag appropriate for PCI. 3449 */ 3450 if (bus_dma_tag_create(bus_get_dma_tag(dev), 1, BCE_DMA_BOUNDARY, 3451 sc->max_bus_addr, BUS_SPACE_MAXADDR, NULL, NULL, 3452 BUS_SPACE_MAXSIZE_32BIT, 0, BUS_SPACE_MAXSIZE_32BIT, 0, NULL, NULL, 3453 &sc->parent_tag)) { 3454 BCE_PRINTF("%s(%d): Could not allocate parent DMA tag!\n", 3455 __FILE__, __LINE__); 3456 rc = ENOMEM; 3457 goto bce_dma_alloc_exit; 3458 } 3459 3460 /* 3461 * Create a DMA tag for the status block, allocate and clear the 3462 * memory, map the memory into DMA space, and fetch the physical 3463 * address of the block. 3464 */ 3465 if (bus_dma_tag_create(sc->parent_tag, BCE_DMA_ALIGN, 3466 BCE_DMA_BOUNDARY, sc->max_bus_addr, BUS_SPACE_MAXADDR, 3467 NULL, NULL, BCE_STATUS_BLK_SZ, 1, BCE_STATUS_BLK_SZ, 3468 0, NULL, NULL, &sc->status_tag)) { 3469 BCE_PRINTF("%s(%d): Could not allocate status block " 3470 "DMA tag!\n", __FILE__, __LINE__); 3471 rc = ENOMEM; 3472 goto bce_dma_alloc_exit; 3473 } 3474 3475 if(bus_dmamem_alloc(sc->status_tag, (void **)&sc->status_block, 3476 BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, 3477 &sc->status_map)) { 3478 BCE_PRINTF("%s(%d): Could not allocate status block " 3479 "DMA memory!\n", __FILE__, __LINE__); 3480 rc = ENOMEM; 3481 goto bce_dma_alloc_exit; 3482 } 3483 3484 error = bus_dmamap_load(sc->status_tag, sc->status_map, 3485 sc->status_block, BCE_STATUS_BLK_SZ, bce_dma_map_addr, 3486 &sc->status_block_paddr, BUS_DMA_NOWAIT); 3487 3488 if (error || sc->status_block_paddr == 0) { 3489 BCE_PRINTF("%s(%d): Could not map status block " 3490 "DMA memory!\n", __FILE__, __LINE__); 3491 rc = ENOMEM; 3492 goto bce_dma_alloc_exit; 3493 } 3494 3495 DBPRINT(sc, BCE_INFO_LOAD, "%s(): status_block_paddr = 0x%jX\n", 3496 __FUNCTION__, (uintmax_t) sc->status_block_paddr); 3497 3498 /* 3499 * Create a DMA tag for the statistics block, allocate and clear the 3500 * memory, map the memory into DMA space, and fetch the physical 3501 * address of the block. 3502 */ 3503 if (bus_dma_tag_create(sc->parent_tag, BCE_DMA_ALIGN, 3504 BCE_DMA_BOUNDARY, sc->max_bus_addr, BUS_SPACE_MAXADDR, 3505 NULL, NULL, BCE_STATS_BLK_SZ, 1, BCE_STATS_BLK_SZ, 3506 0, NULL, NULL, &sc->stats_tag)) { 3507 BCE_PRINTF("%s(%d): Could not allocate statistics block " 3508 "DMA tag!\n", __FILE__, __LINE__); 3509 rc = ENOMEM; 3510 goto bce_dma_alloc_exit; 3511 } 3512 3513 if (bus_dmamem_alloc(sc->stats_tag, (void **)&sc->stats_block, 3514 BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, &sc->stats_map)) { 3515 BCE_PRINTF("%s(%d): Could not allocate statistics block " 3516 "DMA memory!\n", __FILE__, __LINE__); 3517 rc = ENOMEM; 3518 goto bce_dma_alloc_exit; 3519 } 3520 3521 error = bus_dmamap_load(sc->stats_tag, sc->stats_map, 3522 sc->stats_block, BCE_STATS_BLK_SZ, bce_dma_map_addr, 3523 &sc->stats_block_paddr, BUS_DMA_NOWAIT); 3524 3525 if (error || sc->stats_block_paddr == 0) { 3526 BCE_PRINTF("%s(%d): Could not map statistics block " 3527 "DMA memory!\n", __FILE__, __LINE__); 3528 rc = ENOMEM; 3529 goto bce_dma_alloc_exit; 3530 } 3531 3532 DBPRINT(sc, BCE_INFO_LOAD, "%s(): stats_block_paddr = 0x%jX\n", 3533 __FUNCTION__, (uintmax_t) sc->stats_block_paddr); 3534 3535 /* BCM5709 uses host memory as cache for context memory. */ 3536 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 3537 sc->ctx_pages = 0x2000 / BCM_PAGE_SIZE; 3538 if (sc->ctx_pages == 0) 3539 sc->ctx_pages = 1; 3540 3541 DBRUNIF((sc->ctx_pages > 512), 3542 BCE_PRINTF("%s(%d): Too many CTX pages! %d > 512\n", 3543 __FILE__, __LINE__, sc->ctx_pages)); 3544 3545 /* 3546 * Create a DMA tag for the context pages, 3547 * allocate and clear the memory, map the 3548 * memory into DMA space, and fetch the 3549 * physical address of the block. 3550 */ 3551 if(bus_dma_tag_create(sc->parent_tag, BCM_PAGE_SIZE, 3552 BCE_DMA_BOUNDARY, sc->max_bus_addr, BUS_SPACE_MAXADDR, 3553 NULL, NULL, BCM_PAGE_SIZE, 1, BCM_PAGE_SIZE, 3554 0, NULL, NULL, &sc->ctx_tag)) { 3555 BCE_PRINTF("%s(%d): Could not allocate CTX " 3556 "DMA tag!\n", __FILE__, __LINE__); 3557 rc = ENOMEM; 3558 goto bce_dma_alloc_exit; 3559 } 3560 3561 for (i = 0; i < sc->ctx_pages; i++) { 3562 if(bus_dmamem_alloc(sc->ctx_tag, 3563 (void **)&sc->ctx_block[i], 3564 BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, 3565 &sc->ctx_map[i])) { 3566 BCE_PRINTF("%s(%d): Could not allocate CTX " 3567 "DMA memory!\n", __FILE__, __LINE__); 3568 rc = ENOMEM; 3569 goto bce_dma_alloc_exit; 3570 } 3571 3572 error = bus_dmamap_load(sc->ctx_tag, sc->ctx_map[i], 3573 sc->ctx_block[i], BCM_PAGE_SIZE, bce_dma_map_addr, 3574 &sc->ctx_paddr[i], BUS_DMA_NOWAIT); 3575 3576 if (error || sc->ctx_paddr[i] == 0) { 3577 BCE_PRINTF("%s(%d): Could not map CTX " 3578 "DMA memory!\n", __FILE__, __LINE__); 3579 rc = ENOMEM; 3580 goto bce_dma_alloc_exit; 3581 } 3582 3583 DBPRINT(sc, BCE_INFO_LOAD, "%s(): ctx_paddr[%d] " 3584 "= 0x%jX\n", __FUNCTION__, i, 3585 (uintmax_t) sc->ctx_paddr[i]); 3586 } 3587 } 3588 3589 /* 3590 * Create a DMA tag for the TX buffer descriptor chain, 3591 * allocate and clear the memory, and fetch the 3592 * physical address of the block. 3593 */ 3594 if(bus_dma_tag_create(sc->parent_tag, BCM_PAGE_SIZE, BCE_DMA_BOUNDARY, 3595 sc->max_bus_addr, BUS_SPACE_MAXADDR, NULL, NULL, 3596 BCE_TX_CHAIN_PAGE_SZ, 1, BCE_TX_CHAIN_PAGE_SZ, 0, 3597 NULL, NULL, &sc->tx_bd_chain_tag)) { 3598 BCE_PRINTF("%s(%d): Could not allocate TX descriptor " 3599 "chain DMA tag!\n", __FILE__, __LINE__); 3600 rc = ENOMEM; 3601 goto bce_dma_alloc_exit; 3602 } 3603 3604 for (i = 0; i < sc->tx_pages; i++) { 3605 if(bus_dmamem_alloc(sc->tx_bd_chain_tag, 3606 (void **)&sc->tx_bd_chain[i], 3607 BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, 3608 &sc->tx_bd_chain_map[i])) { 3609 BCE_PRINTF("%s(%d): Could not allocate TX descriptor " 3610 "chain DMA memory!\n", __FILE__, __LINE__); 3611 rc = ENOMEM; 3612 goto bce_dma_alloc_exit; 3613 } 3614 3615 error = bus_dmamap_load(sc->tx_bd_chain_tag, 3616 sc->tx_bd_chain_map[i], sc->tx_bd_chain[i], 3617 BCE_TX_CHAIN_PAGE_SZ, bce_dma_map_addr, 3618 &sc->tx_bd_chain_paddr[i], BUS_DMA_NOWAIT); 3619 3620 if (error || sc->tx_bd_chain_paddr[i] == 0) { 3621 BCE_PRINTF("%s(%d): Could not map TX descriptor " 3622 "chain DMA memory!\n", __FILE__, __LINE__); 3623 rc = ENOMEM; 3624 goto bce_dma_alloc_exit; 3625 } 3626 3627 DBPRINT(sc, BCE_INFO_LOAD, "%s(): tx_bd_chain_paddr[%d] = " 3628 "0x%jX\n", __FUNCTION__, i, 3629 (uintmax_t) sc->tx_bd_chain_paddr[i]); 3630 } 3631 3632 /* Check the required size before mapping to conserve resources. */ 3633 if (bce_tso_enable) { 3634 max_size = BCE_TSO_MAX_SIZE; 3635 max_segments = BCE_MAX_SEGMENTS; 3636 max_seg_size = BCE_TSO_MAX_SEG_SIZE; 3637 } else { 3638 max_size = MCLBYTES * BCE_MAX_SEGMENTS; 3639 max_segments = BCE_MAX_SEGMENTS; 3640 max_seg_size = MCLBYTES; 3641 } 3642 3643 /* Create a DMA tag for TX mbufs. */ 3644 if (bus_dma_tag_create(sc->parent_tag, 1, BCE_DMA_BOUNDARY, 3645 sc->max_bus_addr, BUS_SPACE_MAXADDR, NULL, NULL, max_size, 3646 max_segments, max_seg_size, 0, NULL, NULL, &sc->tx_mbuf_tag)) { 3647 BCE_PRINTF("%s(%d): Could not allocate TX mbuf DMA tag!\n", 3648 __FILE__, __LINE__); 3649 rc = ENOMEM; 3650 goto bce_dma_alloc_exit; 3651 } 3652 3653 /* Create DMA maps for the TX mbufs clusters. */ 3654 for (i = 0; i < TOTAL_TX_BD_ALLOC; i++) { 3655 if (bus_dmamap_create(sc->tx_mbuf_tag, BUS_DMA_NOWAIT, 3656 &sc->tx_mbuf_map[i])) { 3657 BCE_PRINTF("%s(%d): Unable to create TX mbuf DMA " 3658 "map!\n", __FILE__, __LINE__); 3659 rc = ENOMEM; 3660 goto bce_dma_alloc_exit; 3661 } 3662 } 3663 3664 /* 3665 * Create a DMA tag for the RX buffer descriptor chain, 3666 * allocate and clear the memory, and fetch the physical 3667 * address of the blocks. 3668 */ 3669 if (bus_dma_tag_create(sc->parent_tag, BCM_PAGE_SIZE, 3670 BCE_DMA_BOUNDARY, BUS_SPACE_MAXADDR, 3671 sc->max_bus_addr, NULL, NULL, 3672 BCE_RX_CHAIN_PAGE_SZ, 1, BCE_RX_CHAIN_PAGE_SZ, 3673 0, NULL, NULL, &sc->rx_bd_chain_tag)) { 3674 BCE_PRINTF("%s(%d): Could not allocate RX descriptor chain " 3675 "DMA tag!\n", __FILE__, __LINE__); 3676 rc = ENOMEM; 3677 goto bce_dma_alloc_exit; 3678 } 3679 3680 for (i = 0; i < sc->rx_pages; i++) { 3681 if (bus_dmamem_alloc(sc->rx_bd_chain_tag, 3682 (void **)&sc->rx_bd_chain[i], 3683 BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, 3684 &sc->rx_bd_chain_map[i])) { 3685 BCE_PRINTF("%s(%d): Could not allocate RX descriptor " 3686 "chain DMA memory!\n", __FILE__, __LINE__); 3687 rc = ENOMEM; 3688 goto bce_dma_alloc_exit; 3689 } 3690 3691 error = bus_dmamap_load(sc->rx_bd_chain_tag, 3692 sc->rx_bd_chain_map[i], sc->rx_bd_chain[i], 3693 BCE_RX_CHAIN_PAGE_SZ, bce_dma_map_addr, 3694 &sc->rx_bd_chain_paddr[i], BUS_DMA_NOWAIT); 3695 3696 if (error || sc->rx_bd_chain_paddr[i] == 0) { 3697 BCE_PRINTF("%s(%d): Could not map RX descriptor " 3698 "chain DMA memory!\n", __FILE__, __LINE__); 3699 rc = ENOMEM; 3700 goto bce_dma_alloc_exit; 3701 } 3702 3703 DBPRINT(sc, BCE_INFO_LOAD, "%s(): rx_bd_chain_paddr[%d] = " 3704 "0x%jX\n", __FUNCTION__, i, 3705 (uintmax_t) sc->rx_bd_chain_paddr[i]); 3706 } 3707 3708 /* 3709 * Create a DMA tag for RX mbufs. 3710 */ 3711 if (bce_hdr_split == TRUE) 3712 max_size = ((sc->rx_bd_mbuf_alloc_size < MCLBYTES) ? 3713 MCLBYTES : sc->rx_bd_mbuf_alloc_size); 3714 else 3715 max_size = MJUM9BYTES; 3716 3717 DBPRINT(sc, BCE_INFO_LOAD, "%s(): Creating rx_mbuf_tag " 3718 "(max size = 0x%jX)\n", __FUNCTION__, (uintmax_t)max_size); 3719 3720 if (bus_dma_tag_create(sc->parent_tag, BCE_RX_BUF_ALIGN, 3721 BCE_DMA_BOUNDARY, sc->max_bus_addr, BUS_SPACE_MAXADDR, NULL, NULL, 3722 max_size, 1, max_size, 0, NULL, NULL, &sc->rx_mbuf_tag)) { 3723 BCE_PRINTF("%s(%d): Could not allocate RX mbuf DMA tag!\n", 3724 __FILE__, __LINE__); 3725 rc = ENOMEM; 3726 goto bce_dma_alloc_exit; 3727 } 3728 3729 /* Create DMA maps for the RX mbuf clusters. */ 3730 for (i = 0; i < TOTAL_RX_BD_ALLOC; i++) { 3731 if (bus_dmamap_create(sc->rx_mbuf_tag, BUS_DMA_NOWAIT, 3732 &sc->rx_mbuf_map[i])) { 3733 BCE_PRINTF("%s(%d): Unable to create RX mbuf " 3734 "DMA map!\n", __FILE__, __LINE__); 3735 rc = ENOMEM; 3736 goto bce_dma_alloc_exit; 3737 } 3738 } 3739 3740 if (bce_hdr_split == TRUE) { 3741 /* 3742 * Create a DMA tag for the page buffer descriptor chain, 3743 * allocate and clear the memory, and fetch the physical 3744 * address of the blocks. 3745 */ 3746 if (bus_dma_tag_create(sc->parent_tag, BCM_PAGE_SIZE, 3747 BCE_DMA_BOUNDARY, BUS_SPACE_MAXADDR, sc->max_bus_addr, 3748 NULL, NULL, BCE_PG_CHAIN_PAGE_SZ, 1, BCE_PG_CHAIN_PAGE_SZ, 3749 0, NULL, NULL, &sc->pg_bd_chain_tag)) { 3750 BCE_PRINTF("%s(%d): Could not allocate page descriptor " 3751 "chain DMA tag!\n", __FILE__, __LINE__); 3752 rc = ENOMEM; 3753 goto bce_dma_alloc_exit; 3754 } 3755 3756 for (i = 0; i < sc->pg_pages; i++) { 3757 if (bus_dmamem_alloc(sc->pg_bd_chain_tag, 3758 (void **)&sc->pg_bd_chain[i], 3759 BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, 3760 &sc->pg_bd_chain_map[i])) { 3761 BCE_PRINTF("%s(%d): Could not allocate page " 3762 "descriptor chain DMA memory!\n", 3763 __FILE__, __LINE__); 3764 rc = ENOMEM; 3765 goto bce_dma_alloc_exit; 3766 } 3767 3768 error = bus_dmamap_load(sc->pg_bd_chain_tag, 3769 sc->pg_bd_chain_map[i], sc->pg_bd_chain[i], 3770 BCE_PG_CHAIN_PAGE_SZ, bce_dma_map_addr, 3771 &sc->pg_bd_chain_paddr[i], BUS_DMA_NOWAIT); 3772 3773 if (error || sc->pg_bd_chain_paddr[i] == 0) { 3774 BCE_PRINTF("%s(%d): Could not map page descriptor " 3775 "chain DMA memory!\n", __FILE__, __LINE__); 3776 rc = ENOMEM; 3777 goto bce_dma_alloc_exit; 3778 } 3779 3780 DBPRINT(sc, BCE_INFO_LOAD, "%s(): pg_bd_chain_paddr[%d] = " 3781 "0x%jX\n", __FUNCTION__, i, 3782 (uintmax_t) sc->pg_bd_chain_paddr[i]); 3783 } 3784 3785 /* 3786 * Create a DMA tag for page mbufs. 3787 */ 3788 if (bus_dma_tag_create(sc->parent_tag, 1, BCE_DMA_BOUNDARY, 3789 sc->max_bus_addr, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 3790 1, MCLBYTES, 0, NULL, NULL, &sc->pg_mbuf_tag)) { 3791 BCE_PRINTF("%s(%d): Could not allocate page mbuf " 3792 "DMA tag!\n", __FILE__, __LINE__); 3793 rc = ENOMEM; 3794 goto bce_dma_alloc_exit; 3795 } 3796 3797 /* Create DMA maps for the page mbuf clusters. */ 3798 for (i = 0; i < TOTAL_PG_BD_ALLOC; i++) { 3799 if (bus_dmamap_create(sc->pg_mbuf_tag, BUS_DMA_NOWAIT, 3800 &sc->pg_mbuf_map[i])) { 3801 BCE_PRINTF("%s(%d): Unable to create page mbuf " 3802 "DMA map!\n", __FILE__, __LINE__); 3803 rc = ENOMEM; 3804 goto bce_dma_alloc_exit; 3805 } 3806 } 3807 } 3808 3809bce_dma_alloc_exit: 3810 DBEXIT(BCE_VERBOSE_RESET | BCE_VERBOSE_CTX); 3811 return(rc); 3812} 3813 3814/****************************************************************************/ 3815/* Release all resources used by the driver. */ 3816/* */ 3817/* Releases all resources acquired by the driver including interrupts, */ 3818/* interrupt handler, interfaces, mutexes, and DMA memory. */ 3819/* */ 3820/* Returns: */ 3821/* Nothing. */ 3822/****************************************************************************/ 3823static void 3824bce_release_resources(struct bce_softc *sc) 3825{ 3826 device_t dev; 3827 3828 DBENTER(BCE_VERBOSE_RESET); 3829 3830 dev = sc->bce_dev; 3831 3832 bce_dma_free(sc); 3833 3834 if (sc->bce_intrhand != NULL) { 3835 DBPRINT(sc, BCE_INFO_RESET, "Removing interrupt handler.\n"); 3836 bus_teardown_intr(dev, sc->bce_res_irq, sc->bce_intrhand); 3837 } 3838 3839 if (sc->bce_res_irq != NULL) { 3840 DBPRINT(sc, BCE_INFO_RESET, "Releasing IRQ.\n"); 3841 bus_release_resource(dev, SYS_RES_IRQ, 3842 rman_get_rid(sc->bce_res_irq), sc->bce_res_irq); 3843 } 3844 3845 if (sc->bce_flags & (BCE_USING_MSI_FLAG | BCE_USING_MSIX_FLAG)) { 3846 DBPRINT(sc, BCE_INFO_RESET, "Releasing MSI/MSI-X vector.\n"); 3847 pci_release_msi(dev); 3848 } 3849 3850 if (sc->bce_res_mem != NULL) { 3851 DBPRINT(sc, BCE_INFO_RESET, "Releasing PCI memory.\n"); 3852 bus_release_resource(dev, SYS_RES_MEMORY, PCIR_BAR(0), 3853 sc->bce_res_mem); 3854 } 3855 3856 if (sc->bce_ifp != NULL) { 3857 DBPRINT(sc, BCE_INFO_RESET, "Releasing IF.\n"); 3858 if_free(sc->bce_ifp); 3859 } 3860 3861 if (mtx_initialized(&sc->bce_mtx)) 3862 BCE_LOCK_DESTROY(sc); 3863 3864 DBEXIT(BCE_VERBOSE_RESET); 3865} 3866 3867/****************************************************************************/ 3868/* Firmware synchronization. */ 3869/* */ 3870/* Before performing certain events such as a chip reset, synchronize with */ 3871/* the firmware first. */ 3872/* */ 3873/* Returns: */ 3874/* 0 for success, positive value for failure. */ 3875/****************************************************************************/ 3876static int 3877bce_fw_sync(struct bce_softc *sc, u32 msg_data) 3878{ 3879 int i, rc = 0; 3880 u32 val; 3881 3882 DBENTER(BCE_VERBOSE_RESET); 3883 3884 /* Don't waste any time if we've timed out before. */ 3885 if (sc->bce_fw_timed_out == TRUE) { 3886 rc = EBUSY; 3887 goto bce_fw_sync_exit; 3888 } 3889 3890 /* Increment the message sequence number. */ 3891 sc->bce_fw_wr_seq++; 3892 msg_data |= sc->bce_fw_wr_seq; 3893 3894 DBPRINT(sc, BCE_VERBOSE_FIRMWARE, "bce_fw_sync(): msg_data = " 3895 "0x%08X\n", msg_data); 3896 3897 /* Send the message to the bootcode driver mailbox. */ 3898 bce_shmem_wr(sc, BCE_DRV_MB, msg_data); 3899 3900 /* Wait for the bootcode to acknowledge the message. */ 3901 for (i = 0; i < FW_ACK_TIME_OUT_MS; i++) { 3902 /* Check for a response in the bootcode firmware mailbox. */ 3903 val = bce_shmem_rd(sc, BCE_FW_MB); 3904 if ((val & BCE_FW_MSG_ACK) == (msg_data & BCE_DRV_MSG_SEQ)) 3905 break; 3906 DELAY(1000); 3907 } 3908 3909 /* If we've timed out, tell bootcode that we've stopped waiting. */ 3910 if (((val & BCE_FW_MSG_ACK) != (msg_data & BCE_DRV_MSG_SEQ)) && 3911 ((msg_data & BCE_DRV_MSG_DATA) != BCE_DRV_MSG_DATA_WAIT0)) { 3912 BCE_PRINTF("%s(%d): Firmware synchronization timeout! " 3913 "msg_data = 0x%08X\n", __FILE__, __LINE__, msg_data); 3914 3915 msg_data &= ~BCE_DRV_MSG_CODE; 3916 msg_data |= BCE_DRV_MSG_CODE_FW_TIMEOUT; 3917 3918 bce_shmem_wr(sc, BCE_DRV_MB, msg_data); 3919 3920 sc->bce_fw_timed_out = TRUE; 3921 rc = EBUSY; 3922 } 3923 3924bce_fw_sync_exit: 3925 DBEXIT(BCE_VERBOSE_RESET); 3926 return (rc); 3927} 3928 3929/****************************************************************************/ 3930/* Load Receive Virtual 2 Physical (RV2P) processor firmware. */ 3931/* */ 3932/* Returns: */ 3933/* Nothing. */ 3934/****************************************************************************/ 3935static void 3936bce_load_rv2p_fw(struct bce_softc *sc, const u32 *rv2p_code, 3937 u32 rv2p_code_len, u32 rv2p_proc) 3938{ 3939 int i; 3940 u32 val; 3941 3942 DBENTER(BCE_VERBOSE_RESET); 3943 3944 /* Set the page size used by RV2P. */ 3945 if (rv2p_proc == RV2P_PROC2) { 3946 BCE_RV2P_PROC2_CHG_MAX_BD_PAGE(USABLE_RX_BD_PER_PAGE); 3947 } 3948 3949 for (i = 0; i < rv2p_code_len; i += 8) { 3950 REG_WR(sc, BCE_RV2P_INSTR_HIGH, *rv2p_code); 3951 rv2p_code++; 3952 REG_WR(sc, BCE_RV2P_INSTR_LOW, *rv2p_code); 3953 rv2p_code++; 3954 3955 if (rv2p_proc == RV2P_PROC1) { 3956 val = (i / 8) | BCE_RV2P_PROC1_ADDR_CMD_RDWR; 3957 REG_WR(sc, BCE_RV2P_PROC1_ADDR_CMD, val); 3958 } 3959 else { 3960 val = (i / 8) | BCE_RV2P_PROC2_ADDR_CMD_RDWR; 3961 REG_WR(sc, BCE_RV2P_PROC2_ADDR_CMD, val); 3962 } 3963 } 3964 3965 /* Reset the processor, un-stall is done later. */ 3966 if (rv2p_proc == RV2P_PROC1) { 3967 REG_WR(sc, BCE_RV2P_COMMAND, BCE_RV2P_COMMAND_PROC1_RESET); 3968 } 3969 else { 3970 REG_WR(sc, BCE_RV2P_COMMAND, BCE_RV2P_COMMAND_PROC2_RESET); 3971 } 3972 3973 DBEXIT(BCE_VERBOSE_RESET); 3974} 3975 3976/****************************************************************************/ 3977/* Load RISC processor firmware. */ 3978/* */ 3979/* Loads firmware from the file if_bcefw.h into the scratchpad memory */ 3980/* associated with a particular processor. */ 3981/* */ 3982/* Returns: */ 3983/* Nothing. */ 3984/****************************************************************************/ 3985static void 3986bce_load_cpu_fw(struct bce_softc *sc, struct cpu_reg *cpu_reg, 3987 struct fw_info *fw) 3988{ 3989 u32 offset; 3990 3991 DBENTER(BCE_VERBOSE_RESET); 3992 3993 bce_halt_cpu(sc, cpu_reg); 3994 3995 /* Load the Text area. */ 3996 offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base); 3997 if (fw->text) { 3998 int j; 3999 4000 for (j = 0; j < (fw->text_len / 4); j++, offset += 4) { 4001 REG_WR_IND(sc, offset, fw->text[j]); 4002 } 4003 } 4004 4005 /* Load the Data area. */ 4006 offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base); 4007 if (fw->data) { 4008 int j; 4009 4010 for (j = 0; j < (fw->data_len / 4); j++, offset += 4) { 4011 REG_WR_IND(sc, offset, fw->data[j]); 4012 } 4013 } 4014 4015 /* Load the SBSS area. */ 4016 offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base); 4017 if (fw->sbss) { 4018 int j; 4019 4020 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) { 4021 REG_WR_IND(sc, offset, fw->sbss[j]); 4022 } 4023 } 4024 4025 /* Load the BSS area. */ 4026 offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base); 4027 if (fw->bss) { 4028 int j; 4029 4030 for (j = 0; j < (fw->bss_len/4); j++, offset += 4) { 4031 REG_WR_IND(sc, offset, fw->bss[j]); 4032 } 4033 } 4034 4035 /* Load the Read-Only area. */ 4036 offset = cpu_reg->spad_base + 4037 (fw->rodata_addr - cpu_reg->mips_view_base); 4038 if (fw->rodata) { 4039 int j; 4040 4041 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) { 4042 REG_WR_IND(sc, offset, fw->rodata[j]); 4043 } 4044 } 4045 4046 /* Clear the pre-fetch instruction and set the FW start address. */ 4047 REG_WR_IND(sc, cpu_reg->inst, 0); 4048 REG_WR_IND(sc, cpu_reg->pc, fw->start_addr); 4049 4050 DBEXIT(BCE_VERBOSE_RESET); 4051} 4052 4053/****************************************************************************/ 4054/* Starts the RISC processor. */ 4055/* */ 4056/* Assumes the CPU starting address has already been set. */ 4057/* */ 4058/* Returns: */ 4059/* Nothing. */ 4060/****************************************************************************/ 4061static void 4062bce_start_cpu(struct bce_softc *sc, struct cpu_reg *cpu_reg) 4063{ 4064 u32 val; 4065 4066 DBENTER(BCE_VERBOSE_RESET); 4067 4068 /* Start the CPU. */ 4069 val = REG_RD_IND(sc, cpu_reg->mode); 4070 val &= ~cpu_reg->mode_value_halt; 4071 REG_WR_IND(sc, cpu_reg->state, cpu_reg->state_value_clear); 4072 REG_WR_IND(sc, cpu_reg->mode, val); 4073 4074 DBEXIT(BCE_VERBOSE_RESET); 4075} 4076 4077/****************************************************************************/ 4078/* Halts the RISC processor. */ 4079/* */ 4080/* Returns: */ 4081/* Nothing. */ 4082/****************************************************************************/ 4083static void 4084bce_halt_cpu(struct bce_softc *sc, struct cpu_reg *cpu_reg) 4085{ 4086 u32 val; 4087 4088 DBENTER(BCE_VERBOSE_RESET); 4089 4090 /* Halt the CPU. */ 4091 val = REG_RD_IND(sc, cpu_reg->mode); 4092 val |= cpu_reg->mode_value_halt; 4093 REG_WR_IND(sc, cpu_reg->mode, val); 4094 REG_WR_IND(sc, cpu_reg->state, cpu_reg->state_value_clear); 4095 4096 DBEXIT(BCE_VERBOSE_RESET); 4097} 4098 4099/****************************************************************************/ 4100/* Initialize the RX CPU. */ 4101/* */ 4102/* Returns: */ 4103/* Nothing. */ 4104/****************************************************************************/ 4105static void 4106bce_start_rxp_cpu(struct bce_softc *sc) 4107{ 4108 struct cpu_reg cpu_reg; 4109 4110 DBENTER(BCE_VERBOSE_RESET); 4111 4112 cpu_reg.mode = BCE_RXP_CPU_MODE; 4113 cpu_reg.mode_value_halt = BCE_RXP_CPU_MODE_SOFT_HALT; 4114 cpu_reg.mode_value_sstep = BCE_RXP_CPU_MODE_STEP_ENA; 4115 cpu_reg.state = BCE_RXP_CPU_STATE; 4116 cpu_reg.state_value_clear = 0xffffff; 4117 cpu_reg.gpr0 = BCE_RXP_CPU_REG_FILE; 4118 cpu_reg.evmask = BCE_RXP_CPU_EVENT_MASK; 4119 cpu_reg.pc = BCE_RXP_CPU_PROGRAM_COUNTER; 4120 cpu_reg.inst = BCE_RXP_CPU_INSTRUCTION; 4121 cpu_reg.bp = BCE_RXP_CPU_HW_BREAKPOINT; 4122 cpu_reg.spad_base = BCE_RXP_SCRATCH; 4123 cpu_reg.mips_view_base = 0x8000000; 4124 4125 DBPRINT(sc, BCE_INFO_RESET, "Starting RX firmware.\n"); 4126 bce_start_cpu(sc, &cpu_reg); 4127 4128 DBEXIT(BCE_VERBOSE_RESET); 4129} 4130 4131/****************************************************************************/ 4132/* Initialize the RX CPU. */ 4133/* */ 4134/* Returns: */ 4135/* Nothing. */ 4136/****************************************************************************/ 4137static void 4138bce_init_rxp_cpu(struct bce_softc *sc) 4139{ 4140 struct cpu_reg cpu_reg; 4141 struct fw_info fw; 4142 4143 DBENTER(BCE_VERBOSE_RESET); 4144 4145 cpu_reg.mode = BCE_RXP_CPU_MODE; 4146 cpu_reg.mode_value_halt = BCE_RXP_CPU_MODE_SOFT_HALT; 4147 cpu_reg.mode_value_sstep = BCE_RXP_CPU_MODE_STEP_ENA; 4148 cpu_reg.state = BCE_RXP_CPU_STATE; 4149 cpu_reg.state_value_clear = 0xffffff; 4150 cpu_reg.gpr0 = BCE_RXP_CPU_REG_FILE; 4151 cpu_reg.evmask = BCE_RXP_CPU_EVENT_MASK; 4152 cpu_reg.pc = BCE_RXP_CPU_PROGRAM_COUNTER; 4153 cpu_reg.inst = BCE_RXP_CPU_INSTRUCTION; 4154 cpu_reg.bp = BCE_RXP_CPU_HW_BREAKPOINT; 4155 cpu_reg.spad_base = BCE_RXP_SCRATCH; 4156 cpu_reg.mips_view_base = 0x8000000; 4157 4158 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 4159 fw.ver_major = bce_RXP_b09FwReleaseMajor; 4160 fw.ver_minor = bce_RXP_b09FwReleaseMinor; 4161 fw.ver_fix = bce_RXP_b09FwReleaseFix; 4162 fw.start_addr = bce_RXP_b09FwStartAddr; 4163 4164 fw.text_addr = bce_RXP_b09FwTextAddr; 4165 fw.text_len = bce_RXP_b09FwTextLen; 4166 fw.text_index = 0; 4167 fw.text = bce_RXP_b09FwText; 4168 4169 fw.data_addr = bce_RXP_b09FwDataAddr; 4170 fw.data_len = bce_RXP_b09FwDataLen; 4171 fw.data_index = 0; 4172 fw.data = bce_RXP_b09FwData; 4173 4174 fw.sbss_addr = bce_RXP_b09FwSbssAddr; 4175 fw.sbss_len = bce_RXP_b09FwSbssLen; 4176 fw.sbss_index = 0; 4177 fw.sbss = bce_RXP_b09FwSbss; 4178 4179 fw.bss_addr = bce_RXP_b09FwBssAddr; 4180 fw.bss_len = bce_RXP_b09FwBssLen; 4181 fw.bss_index = 0; 4182 fw.bss = bce_RXP_b09FwBss; 4183 4184 fw.rodata_addr = bce_RXP_b09FwRodataAddr; 4185 fw.rodata_len = bce_RXP_b09FwRodataLen; 4186 fw.rodata_index = 0; 4187 fw.rodata = bce_RXP_b09FwRodata; 4188 } else { 4189 fw.ver_major = bce_RXP_b06FwReleaseMajor; 4190 fw.ver_minor = bce_RXP_b06FwReleaseMinor; 4191 fw.ver_fix = bce_RXP_b06FwReleaseFix; 4192 fw.start_addr = bce_RXP_b06FwStartAddr; 4193 4194 fw.text_addr = bce_RXP_b06FwTextAddr; 4195 fw.text_len = bce_RXP_b06FwTextLen; 4196 fw.text_index = 0; 4197 fw.text = bce_RXP_b06FwText; 4198 4199 fw.data_addr = bce_RXP_b06FwDataAddr; 4200 fw.data_len = bce_RXP_b06FwDataLen; 4201 fw.data_index = 0; 4202 fw.data = bce_RXP_b06FwData; 4203 4204 fw.sbss_addr = bce_RXP_b06FwSbssAddr; 4205 fw.sbss_len = bce_RXP_b06FwSbssLen; 4206 fw.sbss_index = 0; 4207 fw.sbss = bce_RXP_b06FwSbss; 4208 4209 fw.bss_addr = bce_RXP_b06FwBssAddr; 4210 fw.bss_len = bce_RXP_b06FwBssLen; 4211 fw.bss_index = 0; 4212 fw.bss = bce_RXP_b06FwBss; 4213 4214 fw.rodata_addr = bce_RXP_b06FwRodataAddr; 4215 fw.rodata_len = bce_RXP_b06FwRodataLen; 4216 fw.rodata_index = 0; 4217 fw.rodata = bce_RXP_b06FwRodata; 4218 } 4219 4220 DBPRINT(sc, BCE_INFO_RESET, "Loading RX firmware.\n"); 4221 bce_load_cpu_fw(sc, &cpu_reg, &fw); 4222 4223 /* Delay RXP start until initialization is complete. */ 4224 4225 DBEXIT(BCE_VERBOSE_RESET); 4226} 4227 4228/****************************************************************************/ 4229/* Initialize the TX CPU. */ 4230/* */ 4231/* Returns: */ 4232/* Nothing. */ 4233/****************************************************************************/ 4234static void 4235bce_init_txp_cpu(struct bce_softc *sc) 4236{ 4237 struct cpu_reg cpu_reg; 4238 struct fw_info fw; 4239 4240 DBENTER(BCE_VERBOSE_RESET); 4241 4242 cpu_reg.mode = BCE_TXP_CPU_MODE; 4243 cpu_reg.mode_value_halt = BCE_TXP_CPU_MODE_SOFT_HALT; 4244 cpu_reg.mode_value_sstep = BCE_TXP_CPU_MODE_STEP_ENA; 4245 cpu_reg.state = BCE_TXP_CPU_STATE; 4246 cpu_reg.state_value_clear = 0xffffff; 4247 cpu_reg.gpr0 = BCE_TXP_CPU_REG_FILE; 4248 cpu_reg.evmask = BCE_TXP_CPU_EVENT_MASK; 4249 cpu_reg.pc = BCE_TXP_CPU_PROGRAM_COUNTER; 4250 cpu_reg.inst = BCE_TXP_CPU_INSTRUCTION; 4251 cpu_reg.bp = BCE_TXP_CPU_HW_BREAKPOINT; 4252 cpu_reg.spad_base = BCE_TXP_SCRATCH; 4253 cpu_reg.mips_view_base = 0x8000000; 4254 4255 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 4256 fw.ver_major = bce_TXP_b09FwReleaseMajor; 4257 fw.ver_minor = bce_TXP_b09FwReleaseMinor; 4258 fw.ver_fix = bce_TXP_b09FwReleaseFix; 4259 fw.start_addr = bce_TXP_b09FwStartAddr; 4260 4261 fw.text_addr = bce_TXP_b09FwTextAddr; 4262 fw.text_len = bce_TXP_b09FwTextLen; 4263 fw.text_index = 0; 4264 fw.text = bce_TXP_b09FwText; 4265 4266 fw.data_addr = bce_TXP_b09FwDataAddr; 4267 fw.data_len = bce_TXP_b09FwDataLen; 4268 fw.data_index = 0; 4269 fw.data = bce_TXP_b09FwData; 4270 4271 fw.sbss_addr = bce_TXP_b09FwSbssAddr; 4272 fw.sbss_len = bce_TXP_b09FwSbssLen; 4273 fw.sbss_index = 0; 4274 fw.sbss = bce_TXP_b09FwSbss; 4275 4276 fw.bss_addr = bce_TXP_b09FwBssAddr; 4277 fw.bss_len = bce_TXP_b09FwBssLen; 4278 fw.bss_index = 0; 4279 fw.bss = bce_TXP_b09FwBss; 4280 4281 fw.rodata_addr = bce_TXP_b09FwRodataAddr; 4282 fw.rodata_len = bce_TXP_b09FwRodataLen; 4283 fw.rodata_index = 0; 4284 fw.rodata = bce_TXP_b09FwRodata; 4285 } else { 4286 fw.ver_major = bce_TXP_b06FwReleaseMajor; 4287 fw.ver_minor = bce_TXP_b06FwReleaseMinor; 4288 fw.ver_fix = bce_TXP_b06FwReleaseFix; 4289 fw.start_addr = bce_TXP_b06FwStartAddr; 4290 4291 fw.text_addr = bce_TXP_b06FwTextAddr; 4292 fw.text_len = bce_TXP_b06FwTextLen; 4293 fw.text_index = 0; 4294 fw.text = bce_TXP_b06FwText; 4295 4296 fw.data_addr = bce_TXP_b06FwDataAddr; 4297 fw.data_len = bce_TXP_b06FwDataLen; 4298 fw.data_index = 0; 4299 fw.data = bce_TXP_b06FwData; 4300 4301 fw.sbss_addr = bce_TXP_b06FwSbssAddr; 4302 fw.sbss_len = bce_TXP_b06FwSbssLen; 4303 fw.sbss_index = 0; 4304 fw.sbss = bce_TXP_b06FwSbss; 4305 4306 fw.bss_addr = bce_TXP_b06FwBssAddr; 4307 fw.bss_len = bce_TXP_b06FwBssLen; 4308 fw.bss_index = 0; 4309 fw.bss = bce_TXP_b06FwBss; 4310 4311 fw.rodata_addr = bce_TXP_b06FwRodataAddr; 4312 fw.rodata_len = bce_TXP_b06FwRodataLen; 4313 fw.rodata_index = 0; 4314 fw.rodata = bce_TXP_b06FwRodata; 4315 } 4316 4317 DBPRINT(sc, BCE_INFO_RESET, "Loading TX firmware.\n"); 4318 bce_load_cpu_fw(sc, &cpu_reg, &fw); 4319 bce_start_cpu(sc, &cpu_reg); 4320 4321 DBEXIT(BCE_VERBOSE_RESET); 4322} 4323 4324/****************************************************************************/ 4325/* Initialize the TPAT CPU. */ 4326/* */ 4327/* Returns: */ 4328/* Nothing. */ 4329/****************************************************************************/ 4330static void 4331bce_init_tpat_cpu(struct bce_softc *sc) 4332{ 4333 struct cpu_reg cpu_reg; 4334 struct fw_info fw; 4335 4336 DBENTER(BCE_VERBOSE_RESET); 4337 4338 cpu_reg.mode = BCE_TPAT_CPU_MODE; 4339 cpu_reg.mode_value_halt = BCE_TPAT_CPU_MODE_SOFT_HALT; 4340 cpu_reg.mode_value_sstep = BCE_TPAT_CPU_MODE_STEP_ENA; 4341 cpu_reg.state = BCE_TPAT_CPU_STATE; 4342 cpu_reg.state_value_clear = 0xffffff; 4343 cpu_reg.gpr0 = BCE_TPAT_CPU_REG_FILE; 4344 cpu_reg.evmask = BCE_TPAT_CPU_EVENT_MASK; 4345 cpu_reg.pc = BCE_TPAT_CPU_PROGRAM_COUNTER; 4346 cpu_reg.inst = BCE_TPAT_CPU_INSTRUCTION; 4347 cpu_reg.bp = BCE_TPAT_CPU_HW_BREAKPOINT; 4348 cpu_reg.spad_base = BCE_TPAT_SCRATCH; 4349 cpu_reg.mips_view_base = 0x8000000; 4350 4351 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 4352 fw.ver_major = bce_TPAT_b09FwReleaseMajor; 4353 fw.ver_minor = bce_TPAT_b09FwReleaseMinor; 4354 fw.ver_fix = bce_TPAT_b09FwReleaseFix; 4355 fw.start_addr = bce_TPAT_b09FwStartAddr; 4356 4357 fw.text_addr = bce_TPAT_b09FwTextAddr; 4358 fw.text_len = bce_TPAT_b09FwTextLen; 4359 fw.text_index = 0; 4360 fw.text = bce_TPAT_b09FwText; 4361 4362 fw.data_addr = bce_TPAT_b09FwDataAddr; 4363 fw.data_len = bce_TPAT_b09FwDataLen; 4364 fw.data_index = 0; 4365 fw.data = bce_TPAT_b09FwData; 4366 4367 fw.sbss_addr = bce_TPAT_b09FwSbssAddr; 4368 fw.sbss_len = bce_TPAT_b09FwSbssLen; 4369 fw.sbss_index = 0; 4370 fw.sbss = bce_TPAT_b09FwSbss; 4371 4372 fw.bss_addr = bce_TPAT_b09FwBssAddr; 4373 fw.bss_len = bce_TPAT_b09FwBssLen; 4374 fw.bss_index = 0; 4375 fw.bss = bce_TPAT_b09FwBss; 4376 4377 fw.rodata_addr = bce_TPAT_b09FwRodataAddr; 4378 fw.rodata_len = bce_TPAT_b09FwRodataLen; 4379 fw.rodata_index = 0; 4380 fw.rodata = bce_TPAT_b09FwRodata; 4381 } else { 4382 fw.ver_major = bce_TPAT_b06FwReleaseMajor; 4383 fw.ver_minor = bce_TPAT_b06FwReleaseMinor; 4384 fw.ver_fix = bce_TPAT_b06FwReleaseFix; 4385 fw.start_addr = bce_TPAT_b06FwStartAddr; 4386 4387 fw.text_addr = bce_TPAT_b06FwTextAddr; 4388 fw.text_len = bce_TPAT_b06FwTextLen; 4389 fw.text_index = 0; 4390 fw.text = bce_TPAT_b06FwText; 4391 4392 fw.data_addr = bce_TPAT_b06FwDataAddr; 4393 fw.data_len = bce_TPAT_b06FwDataLen; 4394 fw.data_index = 0; 4395 fw.data = bce_TPAT_b06FwData; 4396 4397 fw.sbss_addr = bce_TPAT_b06FwSbssAddr; 4398 fw.sbss_len = bce_TPAT_b06FwSbssLen; 4399 fw.sbss_index = 0; 4400 fw.sbss = bce_TPAT_b06FwSbss; 4401 4402 fw.bss_addr = bce_TPAT_b06FwBssAddr; 4403 fw.bss_len = bce_TPAT_b06FwBssLen; 4404 fw.bss_index = 0; 4405 fw.bss = bce_TPAT_b06FwBss; 4406 4407 fw.rodata_addr = bce_TPAT_b06FwRodataAddr; 4408 fw.rodata_len = bce_TPAT_b06FwRodataLen; 4409 fw.rodata_index = 0; 4410 fw.rodata = bce_TPAT_b06FwRodata; 4411 } 4412 4413 DBPRINT(sc, BCE_INFO_RESET, "Loading TPAT firmware.\n"); 4414 bce_load_cpu_fw(sc, &cpu_reg, &fw); 4415 bce_start_cpu(sc, &cpu_reg); 4416 4417 DBEXIT(BCE_VERBOSE_RESET); 4418} 4419 4420/****************************************************************************/ 4421/* Initialize the CP CPU. */ 4422/* */ 4423/* Returns: */ 4424/* Nothing. */ 4425/****************************************************************************/ 4426static void 4427bce_init_cp_cpu(struct bce_softc *sc) 4428{ 4429 struct cpu_reg cpu_reg; 4430 struct fw_info fw; 4431 4432 DBENTER(BCE_VERBOSE_RESET); 4433 4434 cpu_reg.mode = BCE_CP_CPU_MODE; 4435 cpu_reg.mode_value_halt = BCE_CP_CPU_MODE_SOFT_HALT; 4436 cpu_reg.mode_value_sstep = BCE_CP_CPU_MODE_STEP_ENA; 4437 cpu_reg.state = BCE_CP_CPU_STATE; 4438 cpu_reg.state_value_clear = 0xffffff; 4439 cpu_reg.gpr0 = BCE_CP_CPU_REG_FILE; 4440 cpu_reg.evmask = BCE_CP_CPU_EVENT_MASK; 4441 cpu_reg.pc = BCE_CP_CPU_PROGRAM_COUNTER; 4442 cpu_reg.inst = BCE_CP_CPU_INSTRUCTION; 4443 cpu_reg.bp = BCE_CP_CPU_HW_BREAKPOINT; 4444 cpu_reg.spad_base = BCE_CP_SCRATCH; 4445 cpu_reg.mips_view_base = 0x8000000; 4446 4447 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 4448 fw.ver_major = bce_CP_b09FwReleaseMajor; 4449 fw.ver_minor = bce_CP_b09FwReleaseMinor; 4450 fw.ver_fix = bce_CP_b09FwReleaseFix; 4451 fw.start_addr = bce_CP_b09FwStartAddr; 4452 4453 fw.text_addr = bce_CP_b09FwTextAddr; 4454 fw.text_len = bce_CP_b09FwTextLen; 4455 fw.text_index = 0; 4456 fw.text = bce_CP_b09FwText; 4457 4458 fw.data_addr = bce_CP_b09FwDataAddr; 4459 fw.data_len = bce_CP_b09FwDataLen; 4460 fw.data_index = 0; 4461 fw.data = bce_CP_b09FwData; 4462 4463 fw.sbss_addr = bce_CP_b09FwSbssAddr; 4464 fw.sbss_len = bce_CP_b09FwSbssLen; 4465 fw.sbss_index = 0; 4466 fw.sbss = bce_CP_b09FwSbss; 4467 4468 fw.bss_addr = bce_CP_b09FwBssAddr; 4469 fw.bss_len = bce_CP_b09FwBssLen; 4470 fw.bss_index = 0; 4471 fw.bss = bce_CP_b09FwBss; 4472 4473 fw.rodata_addr = bce_CP_b09FwRodataAddr; 4474 fw.rodata_len = bce_CP_b09FwRodataLen; 4475 fw.rodata_index = 0; 4476 fw.rodata = bce_CP_b09FwRodata; 4477 } else { 4478 fw.ver_major = bce_CP_b06FwReleaseMajor; 4479 fw.ver_minor = bce_CP_b06FwReleaseMinor; 4480 fw.ver_fix = bce_CP_b06FwReleaseFix; 4481 fw.start_addr = bce_CP_b06FwStartAddr; 4482 4483 fw.text_addr = bce_CP_b06FwTextAddr; 4484 fw.text_len = bce_CP_b06FwTextLen; 4485 fw.text_index = 0; 4486 fw.text = bce_CP_b06FwText; 4487 4488 fw.data_addr = bce_CP_b06FwDataAddr; 4489 fw.data_len = bce_CP_b06FwDataLen; 4490 fw.data_index = 0; 4491 fw.data = bce_CP_b06FwData; 4492 4493 fw.sbss_addr = bce_CP_b06FwSbssAddr; 4494 fw.sbss_len = bce_CP_b06FwSbssLen; 4495 fw.sbss_index = 0; 4496 fw.sbss = bce_CP_b06FwSbss; 4497 4498 fw.bss_addr = bce_CP_b06FwBssAddr; 4499 fw.bss_len = bce_CP_b06FwBssLen; 4500 fw.bss_index = 0; 4501 fw.bss = bce_CP_b06FwBss; 4502 4503 fw.rodata_addr = bce_CP_b06FwRodataAddr; 4504 fw.rodata_len = bce_CP_b06FwRodataLen; 4505 fw.rodata_index = 0; 4506 fw.rodata = bce_CP_b06FwRodata; 4507 } 4508 4509 DBPRINT(sc, BCE_INFO_RESET, "Loading CP firmware.\n"); 4510 bce_load_cpu_fw(sc, &cpu_reg, &fw); 4511 bce_start_cpu(sc, &cpu_reg); 4512 4513 DBEXIT(BCE_VERBOSE_RESET); 4514} 4515 4516/****************************************************************************/ 4517/* Initialize the COM CPU. */ 4518/* */ 4519/* Returns: */ 4520/* Nothing. */ 4521/****************************************************************************/ 4522static void 4523bce_init_com_cpu(struct bce_softc *sc) 4524{ 4525 struct cpu_reg cpu_reg; 4526 struct fw_info fw; 4527 4528 DBENTER(BCE_VERBOSE_RESET); 4529 4530 cpu_reg.mode = BCE_COM_CPU_MODE; 4531 cpu_reg.mode_value_halt = BCE_COM_CPU_MODE_SOFT_HALT; 4532 cpu_reg.mode_value_sstep = BCE_COM_CPU_MODE_STEP_ENA; 4533 cpu_reg.state = BCE_COM_CPU_STATE; 4534 cpu_reg.state_value_clear = 0xffffff; 4535 cpu_reg.gpr0 = BCE_COM_CPU_REG_FILE; 4536 cpu_reg.evmask = BCE_COM_CPU_EVENT_MASK; 4537 cpu_reg.pc = BCE_COM_CPU_PROGRAM_COUNTER; 4538 cpu_reg.inst = BCE_COM_CPU_INSTRUCTION; 4539 cpu_reg.bp = BCE_COM_CPU_HW_BREAKPOINT; 4540 cpu_reg.spad_base = BCE_COM_SCRATCH; 4541 cpu_reg.mips_view_base = 0x8000000; 4542 4543 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 4544 fw.ver_major = bce_COM_b09FwReleaseMajor; 4545 fw.ver_minor = bce_COM_b09FwReleaseMinor; 4546 fw.ver_fix = bce_COM_b09FwReleaseFix; 4547 fw.start_addr = bce_COM_b09FwStartAddr; 4548 4549 fw.text_addr = bce_COM_b09FwTextAddr; 4550 fw.text_len = bce_COM_b09FwTextLen; 4551 fw.text_index = 0; 4552 fw.text = bce_COM_b09FwText; 4553 4554 fw.data_addr = bce_COM_b09FwDataAddr; 4555 fw.data_len = bce_COM_b09FwDataLen; 4556 fw.data_index = 0; 4557 fw.data = bce_COM_b09FwData; 4558 4559 fw.sbss_addr = bce_COM_b09FwSbssAddr; 4560 fw.sbss_len = bce_COM_b09FwSbssLen; 4561 fw.sbss_index = 0; 4562 fw.sbss = bce_COM_b09FwSbss; 4563 4564 fw.bss_addr = bce_COM_b09FwBssAddr; 4565 fw.bss_len = bce_COM_b09FwBssLen; 4566 fw.bss_index = 0; 4567 fw.bss = bce_COM_b09FwBss; 4568 4569 fw.rodata_addr = bce_COM_b09FwRodataAddr; 4570 fw.rodata_len = bce_COM_b09FwRodataLen; 4571 fw.rodata_index = 0; 4572 fw.rodata = bce_COM_b09FwRodata; 4573 } else { 4574 fw.ver_major = bce_COM_b06FwReleaseMajor; 4575 fw.ver_minor = bce_COM_b06FwReleaseMinor; 4576 fw.ver_fix = bce_COM_b06FwReleaseFix; 4577 fw.start_addr = bce_COM_b06FwStartAddr; 4578 4579 fw.text_addr = bce_COM_b06FwTextAddr; 4580 fw.text_len = bce_COM_b06FwTextLen; 4581 fw.text_index = 0; 4582 fw.text = bce_COM_b06FwText; 4583 4584 fw.data_addr = bce_COM_b06FwDataAddr; 4585 fw.data_len = bce_COM_b06FwDataLen; 4586 fw.data_index = 0; 4587 fw.data = bce_COM_b06FwData; 4588 4589 fw.sbss_addr = bce_COM_b06FwSbssAddr; 4590 fw.sbss_len = bce_COM_b06FwSbssLen; 4591 fw.sbss_index = 0; 4592 fw.sbss = bce_COM_b06FwSbss; 4593 4594 fw.bss_addr = bce_COM_b06FwBssAddr; 4595 fw.bss_len = bce_COM_b06FwBssLen; 4596 fw.bss_index = 0; 4597 fw.bss = bce_COM_b06FwBss; 4598 4599 fw.rodata_addr = bce_COM_b06FwRodataAddr; 4600 fw.rodata_len = bce_COM_b06FwRodataLen; 4601 fw.rodata_index = 0; 4602 fw.rodata = bce_COM_b06FwRodata; 4603 } 4604 4605 DBPRINT(sc, BCE_INFO_RESET, "Loading COM firmware.\n"); 4606 bce_load_cpu_fw(sc, &cpu_reg, &fw); 4607 bce_start_cpu(sc, &cpu_reg); 4608 4609 DBEXIT(BCE_VERBOSE_RESET); 4610} 4611 4612/****************************************************************************/ 4613/* Initialize the RV2P, RX, TX, TPAT, COM, and CP CPUs. */ 4614/* */ 4615/* Loads the firmware for each CPU and starts the CPU. */ 4616/* */ 4617/* Returns: */ 4618/* Nothing. */ 4619/****************************************************************************/ 4620static void 4621bce_init_cpus(struct bce_softc *sc) 4622{ 4623 DBENTER(BCE_VERBOSE_RESET); 4624 4625 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 4626 if ((BCE_CHIP_REV(sc) == BCE_CHIP_REV_Ax)) { 4627 bce_load_rv2p_fw(sc, bce_xi90_rv2p_proc1, 4628 sizeof(bce_xi90_rv2p_proc1), RV2P_PROC1); 4629 bce_load_rv2p_fw(sc, bce_xi90_rv2p_proc2, 4630 sizeof(bce_xi90_rv2p_proc2), RV2P_PROC2); 4631 } else { 4632 bce_load_rv2p_fw(sc, bce_xi_rv2p_proc1, 4633 sizeof(bce_xi_rv2p_proc1), RV2P_PROC1); 4634 bce_load_rv2p_fw(sc, bce_xi_rv2p_proc2, 4635 sizeof(bce_xi_rv2p_proc2), RV2P_PROC2); 4636 } 4637 4638 } else { 4639 bce_load_rv2p_fw(sc, bce_rv2p_proc1, 4640 sizeof(bce_rv2p_proc1), RV2P_PROC1); 4641 bce_load_rv2p_fw(sc, bce_rv2p_proc2, 4642 sizeof(bce_rv2p_proc2), RV2P_PROC2); 4643 } 4644 4645 bce_init_rxp_cpu(sc); 4646 bce_init_txp_cpu(sc); 4647 bce_init_tpat_cpu(sc); 4648 bce_init_com_cpu(sc); 4649 bce_init_cp_cpu(sc); 4650 4651 DBEXIT(BCE_VERBOSE_RESET); 4652} 4653 4654/****************************************************************************/ 4655/* Initialize context memory. */ 4656/* */ 4657/* Clears the memory associated with each Context ID (CID). */ 4658/* */ 4659/* Returns: */ 4660/* Nothing. */ 4661/****************************************************************************/ 4662static int 4663bce_init_ctx(struct bce_softc *sc) 4664{ 4665 u32 offset, val, vcid_addr; 4666 int i, j, rc, retry_cnt; 4667 4668 rc = 0; 4669 DBENTER(BCE_VERBOSE_RESET | BCE_VERBOSE_CTX); 4670 4671 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 4672 retry_cnt = CTX_INIT_RETRY_COUNT; 4673 4674 DBPRINT(sc, BCE_INFO_CTX, "Initializing 5709 context.\n"); 4675 4676 /* 4677 * BCM5709 context memory may be cached 4678 * in host memory so prepare the host memory 4679 * for access. 4680 */ 4681 val = BCE_CTX_COMMAND_ENABLED | 4682 BCE_CTX_COMMAND_MEM_INIT | (1 << 12); 4683 val |= (BCM_PAGE_BITS - 8) << 16; 4684 REG_WR(sc, BCE_CTX_COMMAND, val); 4685 4686 /* Wait for mem init command to complete. */ 4687 for (i = 0; i < retry_cnt; i++) { 4688 val = REG_RD(sc, BCE_CTX_COMMAND); 4689 if (!(val & BCE_CTX_COMMAND_MEM_INIT)) 4690 break; 4691 DELAY(2); 4692 } 4693 if ((val & BCE_CTX_COMMAND_MEM_INIT) != 0) { 4694 BCE_PRINTF("%s(): Context memory initialization failed!\n", 4695 __FUNCTION__); 4696 rc = EBUSY; 4697 goto init_ctx_fail; 4698 } 4699 4700 for (i = 0; i < sc->ctx_pages; i++) { 4701 /* Set the physical address of the context memory. */ 4702 REG_WR(sc, BCE_CTX_HOST_PAGE_TBL_DATA0, 4703 BCE_ADDR_LO(sc->ctx_paddr[i] & 0xfffffff0) | 4704 BCE_CTX_HOST_PAGE_TBL_DATA0_VALID); 4705 REG_WR(sc, BCE_CTX_HOST_PAGE_TBL_DATA1, 4706 BCE_ADDR_HI(sc->ctx_paddr[i])); 4707 REG_WR(sc, BCE_CTX_HOST_PAGE_TBL_CTRL, i | 4708 BCE_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ); 4709 4710 /* Verify the context memory write was successful. */ 4711 for (j = 0; j < retry_cnt; j++) { 4712 val = REG_RD(sc, BCE_CTX_HOST_PAGE_TBL_CTRL); 4713 if ((val & 4714 BCE_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) == 0) 4715 break; 4716 DELAY(5); 4717 } 4718 if ((val & BCE_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) != 0) { 4719 BCE_PRINTF("%s(): Failed to initialize " 4720 "context page %d!\n", __FUNCTION__, i); 4721 rc = EBUSY; 4722 goto init_ctx_fail; 4723 } 4724 } 4725 } else { 4726 DBPRINT(sc, BCE_INFO, "Initializing 5706/5708 context.\n"); 4727 4728 /* 4729 * For the 5706/5708, context memory is local to 4730 * the controller, so initialize the controller 4731 * context memory. 4732 */ 4733 4734 vcid_addr = GET_CID_ADDR(96); 4735 while (vcid_addr) { 4736 vcid_addr -= PHY_CTX_SIZE; 4737 4738 REG_WR(sc, BCE_CTX_VIRT_ADDR, 0); 4739 REG_WR(sc, BCE_CTX_PAGE_TBL, vcid_addr); 4740 4741 for(offset = 0; offset < PHY_CTX_SIZE; offset += 4) { 4742 CTX_WR(sc, 0x00, offset, 0); 4743 } 4744 4745 REG_WR(sc, BCE_CTX_VIRT_ADDR, vcid_addr); 4746 REG_WR(sc, BCE_CTX_PAGE_TBL, vcid_addr); 4747 } 4748 } 4749init_ctx_fail: 4750 DBEXIT(BCE_VERBOSE_RESET | BCE_VERBOSE_CTX); 4751 return (rc); 4752} 4753 4754/****************************************************************************/ 4755/* Fetch the permanent MAC address of the controller. */ 4756/* */ 4757/* Returns: */ 4758/* Nothing. */ 4759/****************************************************************************/ 4760static void 4761bce_get_mac_addr(struct bce_softc *sc) 4762{ 4763 u32 mac_lo = 0, mac_hi = 0; 4764 4765 DBENTER(BCE_VERBOSE_RESET); 4766 4767 /* 4768 * The NetXtreme II bootcode populates various NIC 4769 * power-on and runtime configuration items in a 4770 * shared memory area. The factory configured MAC 4771 * address is available from both NVRAM and the 4772 * shared memory area so we'll read the value from 4773 * shared memory for speed. 4774 */ 4775 4776 mac_hi = bce_shmem_rd(sc, BCE_PORT_HW_CFG_MAC_UPPER); 4777 mac_lo = bce_shmem_rd(sc, BCE_PORT_HW_CFG_MAC_LOWER); 4778 4779 if ((mac_lo == 0) && (mac_hi == 0)) { 4780 BCE_PRINTF("%s(%d): Invalid Ethernet address!\n", 4781 __FILE__, __LINE__); 4782 } else { 4783 sc->eaddr[0] = (u_char)(mac_hi >> 8); 4784 sc->eaddr[1] = (u_char)(mac_hi >> 0); 4785 sc->eaddr[2] = (u_char)(mac_lo >> 24); 4786 sc->eaddr[3] = (u_char)(mac_lo >> 16); 4787 sc->eaddr[4] = (u_char)(mac_lo >> 8); 4788 sc->eaddr[5] = (u_char)(mac_lo >> 0); 4789 } 4790 4791 DBPRINT(sc, BCE_INFO_MISC, "Permanent Ethernet " 4792 "address = %6D\n", sc->eaddr, ":"); 4793 DBEXIT(BCE_VERBOSE_RESET); 4794} 4795 4796/****************************************************************************/ 4797/* Program the MAC address. */ 4798/* */ 4799/* Returns: */ 4800/* Nothing. */ 4801/****************************************************************************/ 4802static void 4803bce_set_mac_addr(struct bce_softc *sc) 4804{ 4805 u32 val; 4806 u8 *mac_addr = sc->eaddr; 4807 4808 /* ToDo: Add support for setting multiple MAC addresses. */ 4809 4810 DBENTER(BCE_VERBOSE_RESET); 4811 DBPRINT(sc, BCE_INFO_MISC, "Setting Ethernet address = " 4812 "%6D\n", sc->eaddr, ":"); 4813 4814 val = (mac_addr[0] << 8) | mac_addr[1]; 4815 4816 REG_WR(sc, BCE_EMAC_MAC_MATCH0, val); 4817 4818 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) | 4819 (mac_addr[4] << 8) | mac_addr[5]; 4820 4821 REG_WR(sc, BCE_EMAC_MAC_MATCH1, val); 4822 4823 DBEXIT(BCE_VERBOSE_RESET); 4824} 4825 4826/****************************************************************************/ 4827/* Stop the controller. */ 4828/* */ 4829/* Returns: */ 4830/* Nothing. */ 4831/****************************************************************************/ 4832static void 4833bce_stop(struct bce_softc *sc) 4834{ 4835 if_t ifp; 4836 4837 DBENTER(BCE_VERBOSE_RESET); 4838 4839 BCE_LOCK_ASSERT(sc); 4840 4841 ifp = sc->bce_ifp; 4842 4843 callout_stop(&sc->bce_tick_callout); 4844 4845 /* Disable the transmit/receive blocks. */ 4846 REG_WR(sc, BCE_MISC_ENABLE_CLR_BITS, BCE_MISC_ENABLE_CLR_DEFAULT); 4847 REG_RD(sc, BCE_MISC_ENABLE_CLR_BITS); 4848 DELAY(20); 4849 4850 bce_disable_intr(sc); 4851 4852 /* Free RX buffers. */ 4853 if (bce_hdr_split == TRUE) { 4854 bce_free_pg_chain(sc); 4855 } 4856 bce_free_rx_chain(sc); 4857 4858 /* Free TX buffers. */ 4859 bce_free_tx_chain(sc); 4860 4861 sc->watchdog_timer = 0; 4862 4863 sc->bce_link_up = FALSE; 4864 4865 if_setdrvflagbits(ifp, 0, (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)); 4866 4867 DBEXIT(BCE_VERBOSE_RESET); 4868} 4869 4870static int 4871bce_reset(struct bce_softc *sc, u32 reset_code) 4872{ 4873 u32 emac_mode_save, val; 4874 int i, rc = 0; 4875 static const u32 emac_mode_mask = BCE_EMAC_MODE_PORT | 4876 BCE_EMAC_MODE_HALF_DUPLEX | BCE_EMAC_MODE_25G; 4877 4878 DBENTER(BCE_VERBOSE_RESET); 4879 4880 DBPRINT(sc, BCE_VERBOSE_RESET, "%s(): reset_code = 0x%08X\n", 4881 __FUNCTION__, reset_code); 4882 4883 /* 4884 * If ASF/IPMI is operational, then the EMAC Mode register already 4885 * contains appropriate values for the link settings that have 4886 * been auto-negotiated. Resetting the chip will clobber those 4887 * values. Save the important bits so we can restore them after 4888 * the reset. 4889 */ 4890 emac_mode_save = REG_RD(sc, BCE_EMAC_MODE) & emac_mode_mask; 4891 4892 /* Wait for pending PCI transactions to complete. */ 4893 REG_WR(sc, BCE_MISC_ENABLE_CLR_BITS, 4894 BCE_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE | 4895 BCE_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE | 4896 BCE_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE | 4897 BCE_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE); 4898 val = REG_RD(sc, BCE_MISC_ENABLE_CLR_BITS); 4899 DELAY(5); 4900 4901 /* Disable DMA */ 4902 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 4903 val = REG_RD(sc, BCE_MISC_NEW_CORE_CTL); 4904 val &= ~BCE_MISC_NEW_CORE_CTL_DMA_ENABLE; 4905 REG_WR(sc, BCE_MISC_NEW_CORE_CTL, val); 4906 } 4907 4908 /* Assume bootcode is running. */ 4909 sc->bce_fw_timed_out = FALSE; 4910 sc->bce_drv_cardiac_arrest = FALSE; 4911 4912 /* Give the firmware a chance to prepare for the reset. */ 4913 rc = bce_fw_sync(sc, BCE_DRV_MSG_DATA_WAIT0 | reset_code); 4914 if (rc) 4915 goto bce_reset_exit; 4916 4917 /* Set a firmware reminder that this is a soft reset. */ 4918 bce_shmem_wr(sc, BCE_DRV_RESET_SIGNATURE, BCE_DRV_RESET_SIGNATURE_MAGIC); 4919 4920 /* Dummy read to force the chip to complete all current transactions. */ 4921 val = REG_RD(sc, BCE_MISC_ID); 4922 4923 /* Chip reset. */ 4924 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 4925 REG_WR(sc, BCE_MISC_COMMAND, BCE_MISC_COMMAND_SW_RESET); 4926 REG_RD(sc, BCE_MISC_COMMAND); 4927 DELAY(5); 4928 4929 val = BCE_PCICFG_MISC_CONFIG_REG_WINDOW_ENA | 4930 BCE_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP; 4931 4932 pci_write_config(sc->bce_dev, BCE_PCICFG_MISC_CONFIG, val, 4); 4933 } else { 4934 val = BCE_PCICFG_MISC_CONFIG_CORE_RST_REQ | 4935 BCE_PCICFG_MISC_CONFIG_REG_WINDOW_ENA | 4936 BCE_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP; 4937 REG_WR(sc, BCE_PCICFG_MISC_CONFIG, val); 4938 4939 /* Allow up to 30us for reset to complete. */ 4940 for (i = 0; i < 10; i++) { 4941 val = REG_RD(sc, BCE_PCICFG_MISC_CONFIG); 4942 if ((val & (BCE_PCICFG_MISC_CONFIG_CORE_RST_REQ | 4943 BCE_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0) { 4944 break; 4945 } 4946 DELAY(10); 4947 } 4948 4949 /* Check that reset completed successfully. */ 4950 if (val & (BCE_PCICFG_MISC_CONFIG_CORE_RST_REQ | 4951 BCE_PCICFG_MISC_CONFIG_CORE_RST_BSY)) { 4952 BCE_PRINTF("%s(%d): Reset failed!\n", 4953 __FILE__, __LINE__); 4954 rc = EBUSY; 4955 goto bce_reset_exit; 4956 } 4957 } 4958 4959 /* Make sure byte swapping is properly configured. */ 4960 val = REG_RD(sc, BCE_PCI_SWAP_DIAG0); 4961 if (val != 0x01020304) { 4962 BCE_PRINTF("%s(%d): Byte swap is incorrect!\n", 4963 __FILE__, __LINE__); 4964 rc = ENODEV; 4965 goto bce_reset_exit; 4966 } 4967 4968 /* Just completed a reset, assume that firmware is running again. */ 4969 sc->bce_fw_timed_out = FALSE; 4970 sc->bce_drv_cardiac_arrest = FALSE; 4971 4972 /* Wait for the firmware to finish its initialization. */ 4973 rc = bce_fw_sync(sc, BCE_DRV_MSG_DATA_WAIT1 | reset_code); 4974 if (rc) 4975 BCE_PRINTF("%s(%d): Firmware did not complete " 4976 "initialization!\n", __FILE__, __LINE__); 4977 /* Get firmware capabilities. */ 4978 bce_fw_cap_init(sc); 4979 4980bce_reset_exit: 4981 /* Restore EMAC Mode bits needed to keep ASF/IPMI running. */ 4982 if (reset_code == BCE_DRV_MSG_CODE_RESET) { 4983 val = REG_RD(sc, BCE_EMAC_MODE); 4984 val = (val & ~emac_mode_mask) | emac_mode_save; 4985 REG_WR(sc, BCE_EMAC_MODE, val); 4986 } 4987 4988 DBEXIT(BCE_VERBOSE_RESET); 4989 return (rc); 4990} 4991 4992static int 4993bce_chipinit(struct bce_softc *sc) 4994{ 4995 u32 val; 4996 int rc = 0; 4997 4998 DBENTER(BCE_VERBOSE_RESET); 4999 5000 bce_disable_intr(sc); 5001 5002 /* 5003 * Initialize DMA byte/word swapping, configure the number of DMA 5004 * channels and PCI clock compensation delay. 5005 */ 5006 val = BCE_DMA_CONFIG_DATA_BYTE_SWAP | 5007 BCE_DMA_CONFIG_DATA_WORD_SWAP | 5008#if BYTE_ORDER == BIG_ENDIAN 5009 BCE_DMA_CONFIG_CNTL_BYTE_SWAP | 5010#endif 5011 BCE_DMA_CONFIG_CNTL_WORD_SWAP | 5012 DMA_READ_CHANS << 12 | 5013 DMA_WRITE_CHANS << 16; 5014 5015 val |= (0x2 << 20) | BCE_DMA_CONFIG_CNTL_PCI_COMP_DLY; 5016 5017 if ((sc->bce_flags & BCE_PCIX_FLAG) && (sc->bus_speed_mhz == 133)) 5018 val |= BCE_DMA_CONFIG_PCI_FAST_CLK_CMP; 5019 5020 /* 5021 * This setting resolves a problem observed on certain Intel PCI 5022 * chipsets that cannot handle multiple outstanding DMA operations. 5023 * See errata E9_5706A1_65. 5024 */ 5025 if ((BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5706) && 5026 (BCE_CHIP_ID(sc) != BCE_CHIP_ID_5706_A0) && 5027 !(sc->bce_flags & BCE_PCIX_FLAG)) 5028 val |= BCE_DMA_CONFIG_CNTL_PING_PONG_DMA; 5029 5030 REG_WR(sc, BCE_DMA_CONFIG, val); 5031 5032 /* Enable the RX_V2P and Context state machines before access. */ 5033 REG_WR(sc, BCE_MISC_ENABLE_SET_BITS, 5034 BCE_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE | 5035 BCE_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE | 5036 BCE_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE); 5037 5038 /* Initialize context mapping and zero out the quick contexts. */ 5039 if ((rc = bce_init_ctx(sc)) != 0) 5040 goto bce_chipinit_exit; 5041 5042 /* Initialize the on-boards CPUs */ 5043 bce_init_cpus(sc); 5044 5045 /* Enable management frames (NC-SI) to flow to the MCP. */ 5046 if (sc->bce_flags & BCE_MFW_ENABLE_FLAG) { 5047 val = REG_RD(sc, BCE_RPM_MGMT_PKT_CTRL) | BCE_RPM_MGMT_PKT_CTRL_MGMT_EN; 5048 REG_WR(sc, BCE_RPM_MGMT_PKT_CTRL, val); 5049 } 5050 5051 /* Prepare NVRAM for access. */ 5052 if ((rc = bce_init_nvram(sc)) != 0) 5053 goto bce_chipinit_exit; 5054 5055 /* Set the kernel bypass block size */ 5056 val = REG_RD(sc, BCE_MQ_CONFIG); 5057 val &= ~BCE_MQ_CONFIG_KNL_BYP_BLK_SIZE; 5058 val |= BCE_MQ_CONFIG_KNL_BYP_BLK_SIZE_256; 5059 5060 /* Enable bins used on the 5709. */ 5061 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 5062 val |= BCE_MQ_CONFIG_BIN_MQ_MODE; 5063 if (BCE_CHIP_ID(sc) == BCE_CHIP_ID_5709_A1) 5064 val |= BCE_MQ_CONFIG_HALT_DIS; 5065 } 5066 5067 REG_WR(sc, BCE_MQ_CONFIG, val); 5068 5069 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE); 5070 REG_WR(sc, BCE_MQ_KNL_BYP_WIND_START, val); 5071 REG_WR(sc, BCE_MQ_KNL_WIND_END, val); 5072 5073 /* Set the page size and clear the RV2P processor stall bits. */ 5074 val = (BCM_PAGE_BITS - 8) << 24; 5075 REG_WR(sc, BCE_RV2P_CONFIG, val); 5076 5077 /* Configure page size. */ 5078 val = REG_RD(sc, BCE_TBDR_CONFIG); 5079 val &= ~BCE_TBDR_CONFIG_PAGE_SIZE; 5080 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40; 5081 REG_WR(sc, BCE_TBDR_CONFIG, val); 5082 5083 /* Set the perfect match control register to default. */ 5084 REG_WR_IND(sc, BCE_RXP_PM_CTRL, 0); 5085 5086bce_chipinit_exit: 5087 DBEXIT(BCE_VERBOSE_RESET); 5088 5089 return(rc); 5090} 5091 5092/****************************************************************************/ 5093/* Initialize the controller in preparation to send/receive traffic. */ 5094/* */ 5095/* Returns: */ 5096/* 0 for success, positive value for failure. */ 5097/****************************************************************************/ 5098static int 5099bce_blockinit(struct bce_softc *sc) 5100{ 5101 u32 reg, val; 5102 int rc = 0; 5103 5104 DBENTER(BCE_VERBOSE_RESET); 5105 5106 /* Load the hardware default MAC address. */ 5107 bce_set_mac_addr(sc); 5108 5109 /* Set the Ethernet backoff seed value */ 5110 val = sc->eaddr[0] + (sc->eaddr[1] << 8) + 5111 (sc->eaddr[2] << 16) + (sc->eaddr[3] ) + 5112 (sc->eaddr[4] << 8) + (sc->eaddr[5] << 16); 5113 REG_WR(sc, BCE_EMAC_BACKOFF_SEED, val); 5114 5115 sc->last_status_idx = 0; 5116 sc->rx_mode = BCE_EMAC_RX_MODE_SORT_MODE; 5117 5118 /* Set up link change interrupt generation. */ 5119 REG_WR(sc, BCE_EMAC_ATTENTION_ENA, BCE_EMAC_ATTENTION_ENA_LINK); 5120 5121 /* Program the physical address of the status block. */ 5122 REG_WR(sc, BCE_HC_STATUS_ADDR_L, 5123 BCE_ADDR_LO(sc->status_block_paddr)); 5124 REG_WR(sc, BCE_HC_STATUS_ADDR_H, 5125 BCE_ADDR_HI(sc->status_block_paddr)); 5126 5127 /* Program the physical address of the statistics block. */ 5128 REG_WR(sc, BCE_HC_STATISTICS_ADDR_L, 5129 BCE_ADDR_LO(sc->stats_block_paddr)); 5130 REG_WR(sc, BCE_HC_STATISTICS_ADDR_H, 5131 BCE_ADDR_HI(sc->stats_block_paddr)); 5132 5133 /* 5134 * Program various host coalescing parameters. 5135 * Trip points control how many BDs should be ready before generating 5136 * an interrupt while ticks control how long a BD can sit in the chain 5137 * before generating an interrupt. 5138 */ 5139 REG_WR(sc, BCE_HC_TX_QUICK_CONS_TRIP, 5140 (sc->bce_tx_quick_cons_trip_int << 16) | 5141 sc->bce_tx_quick_cons_trip); 5142 REG_WR(sc, BCE_HC_RX_QUICK_CONS_TRIP, 5143 (sc->bce_rx_quick_cons_trip_int << 16) | 5144 sc->bce_rx_quick_cons_trip); 5145 REG_WR(sc, BCE_HC_TX_TICKS, 5146 (sc->bce_tx_ticks_int << 16) | sc->bce_tx_ticks); 5147 REG_WR(sc, BCE_HC_RX_TICKS, 5148 (sc->bce_rx_ticks_int << 16) | sc->bce_rx_ticks); 5149 REG_WR(sc, BCE_HC_STATS_TICKS, sc->bce_stats_ticks & 0xffff00); 5150 REG_WR(sc, BCE_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */ 5151 /* Not used for L2. */ 5152 REG_WR(sc, BCE_HC_COMP_PROD_TRIP, 0); 5153 REG_WR(sc, BCE_HC_COM_TICKS, 0); 5154 REG_WR(sc, BCE_HC_CMD_TICKS, 0); 5155 5156 /* Configure the Host Coalescing block. */ 5157 val = BCE_HC_CONFIG_RX_TMR_MODE | BCE_HC_CONFIG_TX_TMR_MODE | 5158 BCE_HC_CONFIG_COLLECT_STATS; 5159 5160#if 0 5161 /* ToDo: Add MSI-X support. */ 5162 if (sc->bce_flags & BCE_USING_MSIX_FLAG) { 5163 u32 base = ((BCE_TX_VEC - 1) * BCE_HC_SB_CONFIG_SIZE) + 5164 BCE_HC_SB_CONFIG_1; 5165 5166 REG_WR(sc, BCE_HC_MSIX_BIT_VECTOR, BCE_HC_MSIX_BIT_VECTOR_VAL); 5167 5168 REG_WR(sc, base, BCE_HC_SB_CONFIG_1_TX_TMR_MODE | 5169 BCE_HC_SB_CONFIG_1_ONE_SHOT); 5170 5171 REG_WR(sc, base + BCE_HC_TX_QUICK_CONS_TRIP_OFF, 5172 (sc->tx_quick_cons_trip_int << 16) | 5173 sc->tx_quick_cons_trip); 5174 5175 REG_WR(sc, base + BCE_HC_TX_TICKS_OFF, 5176 (sc->tx_ticks_int << 16) | sc->tx_ticks); 5177 5178 val |= BCE_HC_CONFIG_SB_ADDR_INC_128B; 5179 } 5180 5181 /* 5182 * Tell the HC block to automatically set the 5183 * INT_MASK bit after an MSI/MSI-X interrupt 5184 * is generated so the driver doesn't have to. 5185 */ 5186 if (sc->bce_flags & BCE_ONE_SHOT_MSI_FLAG) 5187 val |= BCE_HC_CONFIG_ONE_SHOT; 5188 5189 /* Set the MSI-X status blocks to 128 byte boundaries. */ 5190 if (sc->bce_flags & BCE_USING_MSIX_FLAG) 5191 val |= BCE_HC_CONFIG_SB_ADDR_INC_128B; 5192#endif 5193 5194 REG_WR(sc, BCE_HC_CONFIG, val); 5195 5196 /* Clear the internal statistics counters. */ 5197 REG_WR(sc, BCE_HC_COMMAND, BCE_HC_COMMAND_CLR_STAT_NOW); 5198 5199 /* Verify that bootcode is running. */ 5200 reg = bce_shmem_rd(sc, BCE_DEV_INFO_SIGNATURE); 5201 5202 DBRUNIF(DB_RANDOMTRUE(bootcode_running_failure_sim_control), 5203 BCE_PRINTF("%s(%d): Simulating bootcode failure.\n", 5204 __FILE__, __LINE__); 5205 reg = 0); 5206 5207 if ((reg & BCE_DEV_INFO_SIGNATURE_MAGIC_MASK) != 5208 BCE_DEV_INFO_SIGNATURE_MAGIC) { 5209 BCE_PRINTF("%s(%d): Bootcode not running! Found: 0x%08X, " 5210 "Expected: 08%08X\n", __FILE__, __LINE__, 5211 (reg & BCE_DEV_INFO_SIGNATURE_MAGIC_MASK), 5212 BCE_DEV_INFO_SIGNATURE_MAGIC); 5213 rc = ENODEV; 5214 goto bce_blockinit_exit; 5215 } 5216 5217 /* Enable DMA */ 5218 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 5219 val = REG_RD(sc, BCE_MISC_NEW_CORE_CTL); 5220 val |= BCE_MISC_NEW_CORE_CTL_DMA_ENABLE; 5221 REG_WR(sc, BCE_MISC_NEW_CORE_CTL, val); 5222 } 5223 5224 /* Allow bootcode to apply additional fixes before enabling MAC. */ 5225 rc = bce_fw_sync(sc, BCE_DRV_MSG_DATA_WAIT2 | 5226 BCE_DRV_MSG_CODE_RESET); 5227 5228 /* Enable link state change interrupt generation. */ 5229 REG_WR(sc, BCE_HC_ATTN_BITS_ENABLE, STATUS_ATTN_BITS_LINK_STATE); 5230 5231 /* Enable the RXP. */ 5232 bce_start_rxp_cpu(sc); 5233 5234 /* Disable management frames (NC-SI) from flowing to the MCP. */ 5235 if (sc->bce_flags & BCE_MFW_ENABLE_FLAG) { 5236 val = REG_RD(sc, BCE_RPM_MGMT_PKT_CTRL) & 5237 ~BCE_RPM_MGMT_PKT_CTRL_MGMT_EN; 5238 REG_WR(sc, BCE_RPM_MGMT_PKT_CTRL, val); 5239 } 5240 5241 /* Enable all remaining blocks in the MAC. */ 5242 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) 5243 REG_WR(sc, BCE_MISC_ENABLE_SET_BITS, 5244 BCE_MISC_ENABLE_DEFAULT_XI); 5245 else 5246 REG_WR(sc, BCE_MISC_ENABLE_SET_BITS, 5247 BCE_MISC_ENABLE_DEFAULT); 5248 5249 REG_RD(sc, BCE_MISC_ENABLE_SET_BITS); 5250 DELAY(20); 5251 5252 /* Save the current host coalescing block settings. */ 5253 sc->hc_command = REG_RD(sc, BCE_HC_COMMAND); 5254 5255bce_blockinit_exit: 5256 DBEXIT(BCE_VERBOSE_RESET); 5257 5258 return (rc); 5259} 5260 5261/****************************************************************************/ 5262/* Encapsulate an mbuf into the rx_bd chain. */ 5263/* */ 5264/* Returns: */ 5265/* 0 for success, positive value for failure. */ 5266/****************************************************************************/ 5267static int 5268bce_get_rx_buf(struct bce_softc *sc, u16 prod, u16 chain_prod, u32 *prod_bseq) 5269{ 5270 bus_dma_segment_t segs[1]; 5271 struct mbuf *m_new = NULL; 5272 struct rx_bd *rxbd; 5273 int nsegs, error, rc = 0; 5274#ifdef BCE_DEBUG 5275 u16 debug_chain_prod = chain_prod; 5276#endif 5277 5278 DBENTER(BCE_EXTREME_RESET | BCE_EXTREME_RECV | BCE_EXTREME_LOAD); 5279 5280 /* Make sure the inputs are valid. */ 5281 DBRUNIF((chain_prod > MAX_RX_BD_ALLOC), 5282 BCE_PRINTF("%s(%d): RX producer out of range: " 5283 "0x%04X > 0x%04X\n", __FILE__, __LINE__, 5284 chain_prod, (u16)MAX_RX_BD_ALLOC)); 5285 5286 DBPRINT(sc, BCE_EXTREME_RECV, "%s(enter): prod = 0x%04X, " 5287 "chain_prod = 0x%04X, prod_bseq = 0x%08X\n", __FUNCTION__, 5288 prod, chain_prod, *prod_bseq); 5289 5290 /* Update some debug statistic counters */ 5291 DBRUNIF((sc->free_rx_bd < sc->rx_low_watermark), 5292 sc->rx_low_watermark = sc->free_rx_bd); 5293 DBRUNIF((sc->free_rx_bd == sc->max_rx_bd), 5294 sc->rx_empty_count++); 5295 5296 /* Simulate an mbuf allocation failure. */ 5297 DBRUNIF(DB_RANDOMTRUE(mbuf_alloc_failed_sim_control), 5298 sc->mbuf_alloc_failed_count++; 5299 sc->mbuf_alloc_failed_sim_count++; 5300 rc = ENOBUFS; 5301 goto bce_get_rx_buf_exit); 5302 5303 /* This is a new mbuf allocation. */ 5304 if (bce_hdr_split == TRUE) 5305 MGETHDR(m_new, M_NOWAIT, MT_DATA); 5306 else 5307 m_new = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, 5308 sc->rx_bd_mbuf_alloc_size); 5309 5310 if (m_new == NULL) { 5311 sc->mbuf_alloc_failed_count++; 5312 rc = ENOBUFS; 5313 goto bce_get_rx_buf_exit; 5314 } 5315 5316 DBRUN(sc->debug_rx_mbuf_alloc++); 5317 5318 /* Make sure we have a valid packet header. */ 5319 M_ASSERTPKTHDR(m_new); 5320 5321 /* Initialize the mbuf size and pad if necessary for alignment. */ 5322 m_new->m_pkthdr.len = m_new->m_len = sc->rx_bd_mbuf_alloc_size; 5323 m_adj(m_new, sc->rx_bd_mbuf_align_pad); 5324 5325 /* ToDo: Consider calling m_fragment() to test error handling. */ 5326 5327 /* Map the mbuf cluster into device memory. */ 5328 error = bus_dmamap_load_mbuf_sg(sc->rx_mbuf_tag, 5329 sc->rx_mbuf_map[chain_prod], m_new, segs, &nsegs, BUS_DMA_NOWAIT); 5330 5331 /* Handle any mapping errors. */ 5332 if (error) { 5333 BCE_PRINTF("%s(%d): Error mapping mbuf into RX " 5334 "chain (%d)!\n", __FILE__, __LINE__, error); 5335 5336 sc->dma_map_addr_rx_failed_count++; 5337 m_freem(m_new); 5338 5339 DBRUN(sc->debug_rx_mbuf_alloc--); 5340 5341 rc = ENOBUFS; 5342 goto bce_get_rx_buf_exit; 5343 } 5344 5345 /* All mbufs must map to a single segment. */ 5346 KASSERT(nsegs == 1, ("%s(): Too many segments returned (%d)!", 5347 __FUNCTION__, nsegs)); 5348 5349 /* Setup the rx_bd for the segment. */ 5350 rxbd = &sc->rx_bd_chain[RX_PAGE(chain_prod)][RX_IDX(chain_prod)]; 5351 5352 rxbd->rx_bd_haddr_lo = htole32(BCE_ADDR_LO(segs[0].ds_addr)); 5353 rxbd->rx_bd_haddr_hi = htole32(BCE_ADDR_HI(segs[0].ds_addr)); 5354 rxbd->rx_bd_len = htole32(segs[0].ds_len); 5355 rxbd->rx_bd_flags = htole32(RX_BD_FLAGS_START | RX_BD_FLAGS_END); 5356 *prod_bseq += segs[0].ds_len; 5357 5358 /* Save the mbuf and update our counter. */ 5359 sc->rx_mbuf_ptr[chain_prod] = m_new; 5360 sc->free_rx_bd -= nsegs; 5361 5362 DBRUNMSG(BCE_INSANE_RECV, 5363 bce_dump_rx_mbuf_chain(sc, debug_chain_prod, nsegs)); 5364 5365 DBPRINT(sc, BCE_EXTREME_RECV, "%s(exit): prod = 0x%04X, " 5366 "chain_prod = 0x%04X, prod_bseq = 0x%08X\n", __FUNCTION__, prod, 5367 chain_prod, *prod_bseq); 5368 5369bce_get_rx_buf_exit: 5370 DBEXIT(BCE_EXTREME_RESET | BCE_EXTREME_RECV | BCE_EXTREME_LOAD); 5371 5372 return(rc); 5373} 5374 5375/****************************************************************************/ 5376/* Encapsulate an mbuf cluster into the page chain. */ 5377/* */ 5378/* Returns: */ 5379/* 0 for success, positive value for failure. */ 5380/****************************************************************************/ 5381static int 5382bce_get_pg_buf(struct bce_softc *sc, u16 prod, u16 prod_idx) 5383{ 5384 bus_dma_segment_t segs[1]; 5385 struct mbuf *m_new = NULL; 5386 struct rx_bd *pgbd; 5387 int error, nsegs, rc = 0; 5388#ifdef BCE_DEBUG 5389 u16 debug_prod_idx = prod_idx; 5390#endif 5391 5392 DBENTER(BCE_EXTREME_RESET | BCE_EXTREME_RECV | BCE_EXTREME_LOAD); 5393 5394 /* Make sure the inputs are valid. */ 5395 DBRUNIF((prod_idx > MAX_PG_BD_ALLOC), 5396 BCE_PRINTF("%s(%d): page producer out of range: " 5397 "0x%04X > 0x%04X\n", __FILE__, __LINE__, 5398 prod_idx, (u16)MAX_PG_BD_ALLOC)); 5399 5400 DBPRINT(sc, BCE_EXTREME_RECV, "%s(enter): prod = 0x%04X, " 5401 "chain_prod = 0x%04X\n", __FUNCTION__, prod, prod_idx); 5402 5403 /* Update counters if we've hit a new low or run out of pages. */ 5404 DBRUNIF((sc->free_pg_bd < sc->pg_low_watermark), 5405 sc->pg_low_watermark = sc->free_pg_bd); 5406 DBRUNIF((sc->free_pg_bd == sc->max_pg_bd), sc->pg_empty_count++); 5407 5408 /* Simulate an mbuf allocation failure. */ 5409 DBRUNIF(DB_RANDOMTRUE(mbuf_alloc_failed_sim_control), 5410 sc->mbuf_alloc_failed_count++; 5411 sc->mbuf_alloc_failed_sim_count++; 5412 rc = ENOBUFS; 5413 goto bce_get_pg_buf_exit); 5414 5415 /* This is a new mbuf allocation. */ 5416 m_new = m_getcl(M_NOWAIT, MT_DATA, 0); 5417 if (m_new == NULL) { 5418 sc->mbuf_alloc_failed_count++; 5419 rc = ENOBUFS; 5420 goto bce_get_pg_buf_exit; 5421 } 5422 5423 DBRUN(sc->debug_pg_mbuf_alloc++); 5424 5425 m_new->m_len = MCLBYTES; 5426 5427 /* ToDo: Consider calling m_fragment() to test error handling. */ 5428 5429 /* Map the mbuf cluster into device memory. */ 5430 error = bus_dmamap_load_mbuf_sg(sc->pg_mbuf_tag, 5431 sc->pg_mbuf_map[prod_idx], m_new, segs, &nsegs, BUS_DMA_NOWAIT); 5432 5433 /* Handle any mapping errors. */ 5434 if (error) { 5435 BCE_PRINTF("%s(%d): Error mapping mbuf into page chain!\n", 5436 __FILE__, __LINE__); 5437 5438 m_freem(m_new); 5439 DBRUN(sc->debug_pg_mbuf_alloc--); 5440 5441 rc = ENOBUFS; 5442 goto bce_get_pg_buf_exit; 5443 } 5444 5445 /* All mbufs must map to a single segment. */ 5446 KASSERT(nsegs == 1, ("%s(): Too many segments returned (%d)!", 5447 __FUNCTION__, nsegs)); 5448 5449 /* ToDo: Do we need bus_dmamap_sync(,,BUS_DMASYNC_PREREAD) here? */ 5450 5451 /* 5452 * The page chain uses the same rx_bd data structure 5453 * as the receive chain but doesn't require a byte sequence (bseq). 5454 */ 5455 pgbd = &sc->pg_bd_chain[PG_PAGE(prod_idx)][PG_IDX(prod_idx)]; 5456 5457 pgbd->rx_bd_haddr_lo = htole32(BCE_ADDR_LO(segs[0].ds_addr)); 5458 pgbd->rx_bd_haddr_hi = htole32(BCE_ADDR_HI(segs[0].ds_addr)); 5459 pgbd->rx_bd_len = htole32(MCLBYTES); 5460 pgbd->rx_bd_flags = htole32(RX_BD_FLAGS_START | RX_BD_FLAGS_END); 5461 5462 /* Save the mbuf and update our counter. */ 5463 sc->pg_mbuf_ptr[prod_idx] = m_new; 5464 sc->free_pg_bd--; 5465 5466 DBRUNMSG(BCE_INSANE_RECV, 5467 bce_dump_pg_mbuf_chain(sc, debug_prod_idx, 1)); 5468 5469 DBPRINT(sc, BCE_EXTREME_RECV, "%s(exit): prod = 0x%04X, " 5470 "prod_idx = 0x%04X\n", __FUNCTION__, prod, prod_idx); 5471 5472bce_get_pg_buf_exit: 5473 DBEXIT(BCE_EXTREME_RESET | BCE_EXTREME_RECV | BCE_EXTREME_LOAD); 5474 5475 return(rc); 5476} 5477 5478/****************************************************************************/ 5479/* Initialize the TX context memory. */ 5480/* */ 5481/* Returns: */ 5482/* Nothing */ 5483/****************************************************************************/ 5484static void 5485bce_init_tx_context(struct bce_softc *sc) 5486{ 5487 u32 val; 5488 5489 DBENTER(BCE_VERBOSE_RESET | BCE_VERBOSE_SEND | BCE_VERBOSE_CTX); 5490 5491 /* Initialize the context ID for an L2 TX chain. */ 5492 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 5493 /* Set the CID type to support an L2 connection. */ 5494 val = BCE_L2CTX_TX_TYPE_TYPE_L2_XI | 5495 BCE_L2CTX_TX_TYPE_SIZE_L2_XI; 5496 CTX_WR(sc, GET_CID_ADDR(TX_CID), BCE_L2CTX_TX_TYPE_XI, val); 5497 val = BCE_L2CTX_TX_CMD_TYPE_TYPE_L2_XI | (8 << 16); 5498 CTX_WR(sc, GET_CID_ADDR(TX_CID), 5499 BCE_L2CTX_TX_CMD_TYPE_XI, val); 5500 5501 /* Point the hardware to the first page in the chain. */ 5502 val = BCE_ADDR_HI(sc->tx_bd_chain_paddr[0]); 5503 CTX_WR(sc, GET_CID_ADDR(TX_CID), 5504 BCE_L2CTX_TX_TBDR_BHADDR_HI_XI, val); 5505 val = BCE_ADDR_LO(sc->tx_bd_chain_paddr[0]); 5506 CTX_WR(sc, GET_CID_ADDR(TX_CID), 5507 BCE_L2CTX_TX_TBDR_BHADDR_LO_XI, val); 5508 } else { 5509 /* Set the CID type to support an L2 connection. */ 5510 val = BCE_L2CTX_TX_TYPE_TYPE_L2 | BCE_L2CTX_TX_TYPE_SIZE_L2; 5511 CTX_WR(sc, GET_CID_ADDR(TX_CID), BCE_L2CTX_TX_TYPE, val); 5512 val = BCE_L2CTX_TX_CMD_TYPE_TYPE_L2 | (8 << 16); 5513 CTX_WR(sc, GET_CID_ADDR(TX_CID), BCE_L2CTX_TX_CMD_TYPE, val); 5514 5515 /* Point the hardware to the first page in the chain. */ 5516 val = BCE_ADDR_HI(sc->tx_bd_chain_paddr[0]); 5517 CTX_WR(sc, GET_CID_ADDR(TX_CID), 5518 BCE_L2CTX_TX_TBDR_BHADDR_HI, val); 5519 val = BCE_ADDR_LO(sc->tx_bd_chain_paddr[0]); 5520 CTX_WR(sc, GET_CID_ADDR(TX_CID), 5521 BCE_L2CTX_TX_TBDR_BHADDR_LO, val); 5522 } 5523 5524 DBEXIT(BCE_VERBOSE_RESET | BCE_VERBOSE_SEND | BCE_VERBOSE_CTX); 5525} 5526 5527/****************************************************************************/ 5528/* Allocate memory and initialize the TX data structures. */ 5529/* */ 5530/* Returns: */ 5531/* 0 for success, positive value for failure. */ 5532/****************************************************************************/ 5533static int 5534bce_init_tx_chain(struct bce_softc *sc) 5535{ 5536 struct tx_bd *txbd; 5537 int i, rc = 0; 5538 5539 DBENTER(BCE_VERBOSE_RESET | BCE_VERBOSE_SEND | BCE_VERBOSE_LOAD); 5540 5541 /* Set the initial TX producer/consumer indices. */ 5542 sc->tx_prod = 0; 5543 sc->tx_cons = 0; 5544 sc->tx_prod_bseq = 0; 5545 sc->used_tx_bd = 0; 5546 sc->max_tx_bd = USABLE_TX_BD_ALLOC; 5547 DBRUN(sc->tx_hi_watermark = 0); 5548 DBRUN(sc->tx_full_count = 0); 5549 5550 /* 5551 * The NetXtreme II supports a linked-list structure called 5552 * a Buffer Descriptor Chain (or BD chain). A BD chain 5553 * consists of a series of 1 or more chain pages, each of which 5554 * consists of a fixed number of BD entries. 5555 * The last BD entry on each page is a pointer to the next page 5556 * in the chain, and the last pointer in the BD chain 5557 * points back to the beginning of the chain. 5558 */ 5559 5560 /* Set the TX next pointer chain entries. */ 5561 for (i = 0; i < sc->tx_pages; i++) { 5562 int j; 5563 5564 txbd = &sc->tx_bd_chain[i][USABLE_TX_BD_PER_PAGE]; 5565 5566 /* Check if we've reached the last page. */ 5567 if (i == (sc->tx_pages - 1)) 5568 j = 0; 5569 else 5570 j = i + 1; 5571 5572 txbd->tx_bd_haddr_hi = 5573 htole32(BCE_ADDR_HI(sc->tx_bd_chain_paddr[j])); 5574 txbd->tx_bd_haddr_lo = 5575 htole32(BCE_ADDR_LO(sc->tx_bd_chain_paddr[j])); 5576 } 5577 5578 bce_init_tx_context(sc); 5579 5580 DBRUNMSG(BCE_INSANE_SEND, bce_dump_tx_chain(sc, 0, TOTAL_TX_BD_ALLOC)); 5581 DBEXIT(BCE_VERBOSE_RESET | BCE_VERBOSE_SEND | BCE_VERBOSE_LOAD); 5582 5583 return(rc); 5584} 5585 5586/****************************************************************************/ 5587/* Free memory and clear the TX data structures. */ 5588/* */ 5589/* Returns: */ 5590/* Nothing. */ 5591/****************************************************************************/ 5592static void 5593bce_free_tx_chain(struct bce_softc *sc) 5594{ 5595 int i; 5596 5597 DBENTER(BCE_VERBOSE_RESET | BCE_VERBOSE_SEND | BCE_VERBOSE_UNLOAD); 5598 5599 /* Unmap, unload, and free any mbufs still in the TX mbuf chain. */ 5600 for (i = 0; i < MAX_TX_BD_AVAIL; i++) { 5601 if (sc->tx_mbuf_ptr[i] != NULL) { 5602 if (sc->tx_mbuf_map[i] != NULL) 5603 bus_dmamap_sync(sc->tx_mbuf_tag, 5604 sc->tx_mbuf_map[i], 5605 BUS_DMASYNC_POSTWRITE); 5606 m_freem(sc->tx_mbuf_ptr[i]); 5607 sc->tx_mbuf_ptr[i] = NULL; 5608 DBRUN(sc->debug_tx_mbuf_alloc--); 5609 } 5610 } 5611 5612 /* Clear each TX chain page. */ 5613 for (i = 0; i < sc->tx_pages; i++) 5614 bzero((char *)sc->tx_bd_chain[i], BCE_TX_CHAIN_PAGE_SZ); 5615 5616 sc->used_tx_bd = 0; 5617 5618 /* Check if we lost any mbufs in the process. */ 5619 DBRUNIF((sc->debug_tx_mbuf_alloc), 5620 BCE_PRINTF("%s(%d): Memory leak! Lost %d mbufs " 5621 "from tx chain!\n", __FILE__, __LINE__, 5622 sc->debug_tx_mbuf_alloc)); 5623 5624 DBEXIT(BCE_VERBOSE_RESET | BCE_VERBOSE_SEND | BCE_VERBOSE_UNLOAD); 5625} 5626 5627/****************************************************************************/ 5628/* Initialize the RX context memory. */ 5629/* */ 5630/* Returns: */ 5631/* Nothing */ 5632/****************************************************************************/ 5633static void 5634bce_init_rx_context(struct bce_softc *sc) 5635{ 5636 u32 val; 5637 5638 DBENTER(BCE_VERBOSE_RESET | BCE_VERBOSE_RECV | BCE_VERBOSE_CTX); 5639 5640 /* Init the type, size, and BD cache levels for the RX context. */ 5641 val = BCE_L2CTX_RX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE | 5642 BCE_L2CTX_RX_CTX_TYPE_SIZE_L2 | 5643 (0x02 << BCE_L2CTX_RX_BD_PRE_READ_SHIFT); 5644 5645 /* 5646 * Set the level for generating pause frames 5647 * when the number of available rx_bd's gets 5648 * too low (the low watermark) and the level 5649 * when pause frames can be stopped (the high 5650 * watermark). 5651 */ 5652 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 5653 u32 lo_water, hi_water; 5654 5655 if (sc->bce_flags & BCE_USING_TX_FLOW_CONTROL) { 5656 lo_water = BCE_L2CTX_RX_LO_WATER_MARK_DEFAULT; 5657 } else { 5658 lo_water = 0; 5659 } 5660 5661 if (lo_water >= USABLE_RX_BD_ALLOC) { 5662 lo_water = 0; 5663 } 5664 5665 hi_water = USABLE_RX_BD_ALLOC / 4; 5666 5667 if (hi_water <= lo_water) { 5668 lo_water = 0; 5669 } 5670 5671 lo_water /= BCE_L2CTX_RX_LO_WATER_MARK_SCALE; 5672 hi_water /= BCE_L2CTX_RX_HI_WATER_MARK_SCALE; 5673 5674 if (hi_water > 0xf) 5675 hi_water = 0xf; 5676 else if (hi_water == 0) 5677 lo_water = 0; 5678 5679 val |= (lo_water << BCE_L2CTX_RX_LO_WATER_MARK_SHIFT) | 5680 (hi_water << BCE_L2CTX_RX_HI_WATER_MARK_SHIFT); 5681 } 5682 5683 CTX_WR(sc, GET_CID_ADDR(RX_CID), BCE_L2CTX_RX_CTX_TYPE, val); 5684 5685 /* Setup the MQ BIN mapping for l2_ctx_host_bseq. */ 5686 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 5687 val = REG_RD(sc, BCE_MQ_MAP_L2_5); 5688 REG_WR(sc, BCE_MQ_MAP_L2_5, val | BCE_MQ_MAP_L2_5_ARM); 5689 } 5690 5691 /* Point the hardware to the first page in the chain. */ 5692 val = BCE_ADDR_HI(sc->rx_bd_chain_paddr[0]); 5693 CTX_WR(sc, GET_CID_ADDR(RX_CID), BCE_L2CTX_RX_NX_BDHADDR_HI, val); 5694 val = BCE_ADDR_LO(sc->rx_bd_chain_paddr[0]); 5695 CTX_WR(sc, GET_CID_ADDR(RX_CID), BCE_L2CTX_RX_NX_BDHADDR_LO, val); 5696 5697 DBEXIT(BCE_VERBOSE_RESET | BCE_VERBOSE_RECV | BCE_VERBOSE_CTX); 5698} 5699 5700/****************************************************************************/ 5701/* Allocate memory and initialize the RX data structures. */ 5702/* */ 5703/* Returns: */ 5704/* 0 for success, positive value for failure. */ 5705/****************************************************************************/ 5706static int 5707bce_init_rx_chain(struct bce_softc *sc) 5708{ 5709 struct rx_bd *rxbd; 5710 int i, rc = 0; 5711 5712 DBENTER(BCE_VERBOSE_RESET | BCE_VERBOSE_RECV | BCE_VERBOSE_LOAD | 5713 BCE_VERBOSE_CTX); 5714 5715 /* Initialize the RX producer and consumer indices. */ 5716 sc->rx_prod = 0; 5717 sc->rx_cons = 0; 5718 sc->rx_prod_bseq = 0; 5719 sc->free_rx_bd = USABLE_RX_BD_ALLOC; 5720 sc->max_rx_bd = USABLE_RX_BD_ALLOC; 5721 5722 /* Initialize the RX next pointer chain entries. */ 5723 for (i = 0; i < sc->rx_pages; i++) { 5724 int j; 5725 5726 rxbd = &sc->rx_bd_chain[i][USABLE_RX_BD_PER_PAGE]; 5727 5728 /* Check if we've reached the last page. */ 5729 if (i == (sc->rx_pages - 1)) 5730 j = 0; 5731 else 5732 j = i + 1; 5733 5734 /* Setup the chain page pointers. */ 5735 rxbd->rx_bd_haddr_hi = 5736 htole32(BCE_ADDR_HI(sc->rx_bd_chain_paddr[j])); 5737 rxbd->rx_bd_haddr_lo = 5738 htole32(BCE_ADDR_LO(sc->rx_bd_chain_paddr[j])); 5739 } 5740 5741 /* Fill up the RX chain. */ 5742 bce_fill_rx_chain(sc); 5743 5744 DBRUN(sc->rx_low_watermark = USABLE_RX_BD_ALLOC); 5745 DBRUN(sc->rx_empty_count = 0); 5746 for (i = 0; i < sc->rx_pages; i++) { 5747 bus_dmamap_sync(sc->rx_bd_chain_tag, sc->rx_bd_chain_map[i], 5748 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 5749 } 5750 5751 bce_init_rx_context(sc); 5752 5753 DBRUNMSG(BCE_EXTREME_RECV, 5754 bce_dump_rx_bd_chain(sc, 0, TOTAL_RX_BD_ALLOC)); 5755 DBEXIT(BCE_VERBOSE_RESET | BCE_VERBOSE_RECV | BCE_VERBOSE_LOAD | 5756 BCE_VERBOSE_CTX); 5757 5758 /* ToDo: Are there possible failure modes here? */ 5759 5760 return(rc); 5761} 5762 5763/****************************************************************************/ 5764/* Add mbufs to the RX chain until its full or an mbuf allocation error */ 5765/* occurs. */ 5766/* */ 5767/* Returns: */ 5768/* Nothing */ 5769/****************************************************************************/ 5770static void 5771bce_fill_rx_chain(struct bce_softc *sc) 5772{ 5773 u16 prod, prod_idx; 5774 u32 prod_bseq; 5775 5776 DBENTER(BCE_VERBOSE_RESET | BCE_EXTREME_RECV | BCE_VERBOSE_LOAD | 5777 BCE_VERBOSE_CTX); 5778 5779 /* Get the RX chain producer indices. */ 5780 prod = sc->rx_prod; 5781 prod_bseq = sc->rx_prod_bseq; 5782 5783 /* Keep filling the RX chain until it's full. */ 5784 while (sc->free_rx_bd > 0) { 5785 prod_idx = RX_CHAIN_IDX(prod); 5786 if (bce_get_rx_buf(sc, prod, prod_idx, &prod_bseq)) { 5787 /* Bail out if we can't add an mbuf to the chain. */ 5788 break; 5789 } 5790 prod = NEXT_RX_BD(prod); 5791 } 5792 5793 /* Save the RX chain producer indices. */ 5794 sc->rx_prod = prod; 5795 sc->rx_prod_bseq = prod_bseq; 5796 5797 /* We should never end up pointing to a next page pointer. */ 5798 DBRUNIF(((prod & USABLE_RX_BD_PER_PAGE) == USABLE_RX_BD_PER_PAGE), 5799 BCE_PRINTF("%s(): Invalid rx_prod value: 0x%04X\n", 5800 __FUNCTION__, rx_prod)); 5801 5802 /* Write the mailbox and tell the chip about the waiting rx_bd's. */ 5803 REG_WR16(sc, MB_GET_CID_ADDR(RX_CID) + BCE_L2MQ_RX_HOST_BDIDX, prod); 5804 REG_WR(sc, MB_GET_CID_ADDR(RX_CID) + BCE_L2MQ_RX_HOST_BSEQ, prod_bseq); 5805 5806 DBEXIT(BCE_VERBOSE_RESET | BCE_EXTREME_RECV | BCE_VERBOSE_LOAD | 5807 BCE_VERBOSE_CTX); 5808} 5809 5810/****************************************************************************/ 5811/* Free memory and clear the RX data structures. */ 5812/* */ 5813/* Returns: */ 5814/* Nothing. */ 5815/****************************************************************************/ 5816static void 5817bce_free_rx_chain(struct bce_softc *sc) 5818{ 5819 int i; 5820 5821 DBENTER(BCE_VERBOSE_RESET | BCE_VERBOSE_RECV | BCE_VERBOSE_UNLOAD); 5822 5823 /* Free any mbufs still in the RX mbuf chain. */ 5824 for (i = 0; i < MAX_RX_BD_AVAIL; i++) { 5825 if (sc->rx_mbuf_ptr[i] != NULL) { 5826 if (sc->rx_mbuf_map[i] != NULL) 5827 bus_dmamap_sync(sc->rx_mbuf_tag, 5828 sc->rx_mbuf_map[i], 5829 BUS_DMASYNC_POSTREAD); 5830 m_freem(sc->rx_mbuf_ptr[i]); 5831 sc->rx_mbuf_ptr[i] = NULL; 5832 DBRUN(sc->debug_rx_mbuf_alloc--); 5833 } 5834 } 5835 5836 /* Clear each RX chain page. */ 5837 for (i = 0; i < sc->rx_pages; i++) 5838 if (sc->rx_bd_chain[i] != NULL) 5839 bzero((char *)sc->rx_bd_chain[i], 5840 BCE_RX_CHAIN_PAGE_SZ); 5841 5842 sc->free_rx_bd = sc->max_rx_bd; 5843 5844 /* Check if we lost any mbufs in the process. */ 5845 DBRUNIF((sc->debug_rx_mbuf_alloc), 5846 BCE_PRINTF("%s(): Memory leak! Lost %d mbufs from rx chain!\n", 5847 __FUNCTION__, sc->debug_rx_mbuf_alloc)); 5848 5849 DBEXIT(BCE_VERBOSE_RESET | BCE_VERBOSE_RECV | BCE_VERBOSE_UNLOAD); 5850} 5851 5852/****************************************************************************/ 5853/* Allocate memory and initialize the page data structures. */ 5854/* Assumes that bce_init_rx_chain() has not already been called. */ 5855/* */ 5856/* Returns: */ 5857/* 0 for success, positive value for failure. */ 5858/****************************************************************************/ 5859static int 5860bce_init_pg_chain(struct bce_softc *sc) 5861{ 5862 struct rx_bd *pgbd; 5863 int i, rc = 0; 5864 u32 val; 5865 5866 DBENTER(BCE_VERBOSE_RESET | BCE_VERBOSE_RECV | BCE_VERBOSE_LOAD | 5867 BCE_VERBOSE_CTX); 5868 5869 /* Initialize the page producer and consumer indices. */ 5870 sc->pg_prod = 0; 5871 sc->pg_cons = 0; 5872 sc->free_pg_bd = USABLE_PG_BD_ALLOC; 5873 sc->max_pg_bd = USABLE_PG_BD_ALLOC; 5874 DBRUN(sc->pg_low_watermark = sc->max_pg_bd); 5875 DBRUN(sc->pg_empty_count = 0); 5876 5877 /* Initialize the page next pointer chain entries. */ 5878 for (i = 0; i < sc->pg_pages; i++) { 5879 int j; 5880 5881 pgbd = &sc->pg_bd_chain[i][USABLE_PG_BD_PER_PAGE]; 5882 5883 /* Check if we've reached the last page. */ 5884 if (i == (sc->pg_pages - 1)) 5885 j = 0; 5886 else 5887 j = i + 1; 5888 5889 /* Setup the chain page pointers. */ 5890 pgbd->rx_bd_haddr_hi = 5891 htole32(BCE_ADDR_HI(sc->pg_bd_chain_paddr[j])); 5892 pgbd->rx_bd_haddr_lo = 5893 htole32(BCE_ADDR_LO(sc->pg_bd_chain_paddr[j])); 5894 } 5895 5896 /* Setup the MQ BIN mapping for host_pg_bidx. */ 5897 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) 5898 REG_WR(sc, BCE_MQ_MAP_L2_3, BCE_MQ_MAP_L2_3_DEFAULT); 5899 5900 CTX_WR(sc, GET_CID_ADDR(RX_CID), BCE_L2CTX_RX_PG_BUF_SIZE, 0); 5901 5902 /* Configure the rx_bd and page chain mbuf cluster size. */ 5903 val = (sc->rx_bd_mbuf_data_len << 16) | MCLBYTES; 5904 CTX_WR(sc, GET_CID_ADDR(RX_CID), BCE_L2CTX_RX_PG_BUF_SIZE, val); 5905 5906 /* Configure the context reserved for jumbo support. */ 5907 CTX_WR(sc, GET_CID_ADDR(RX_CID), BCE_L2CTX_RX_RBDC_KEY, 5908 BCE_L2CTX_RX_RBDC_JUMBO_KEY); 5909 5910 /* Point the hardware to the first page in the page chain. */ 5911 val = BCE_ADDR_HI(sc->pg_bd_chain_paddr[0]); 5912 CTX_WR(sc, GET_CID_ADDR(RX_CID), BCE_L2CTX_RX_NX_PG_BDHADDR_HI, val); 5913 val = BCE_ADDR_LO(sc->pg_bd_chain_paddr[0]); 5914 CTX_WR(sc, GET_CID_ADDR(RX_CID), BCE_L2CTX_RX_NX_PG_BDHADDR_LO, val); 5915 5916 /* Fill up the page chain. */ 5917 bce_fill_pg_chain(sc); 5918 5919 for (i = 0; i < sc->pg_pages; i++) { 5920 bus_dmamap_sync(sc->pg_bd_chain_tag, sc->pg_bd_chain_map[i], 5921 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 5922 } 5923 5924 DBRUNMSG(BCE_EXTREME_RECV, 5925 bce_dump_pg_chain(sc, 0, TOTAL_PG_BD_ALLOC)); 5926 DBEXIT(BCE_VERBOSE_RESET | BCE_VERBOSE_RECV | BCE_VERBOSE_LOAD | 5927 BCE_VERBOSE_CTX); 5928 return(rc); 5929} 5930 5931/****************************************************************************/ 5932/* Add mbufs to the page chain until its full or an mbuf allocation error */ 5933/* occurs. */ 5934/* */ 5935/* Returns: */ 5936/* Nothing */ 5937/****************************************************************************/ 5938static void 5939bce_fill_pg_chain(struct bce_softc *sc) 5940{ 5941 u16 prod, prod_idx; 5942 5943 DBENTER(BCE_VERBOSE_RESET | BCE_EXTREME_RECV | BCE_VERBOSE_LOAD | 5944 BCE_VERBOSE_CTX); 5945 5946 /* Get the page chain prodcuer index. */ 5947 prod = sc->pg_prod; 5948 5949 /* Keep filling the page chain until it's full. */ 5950 while (sc->free_pg_bd > 0) { 5951 prod_idx = PG_CHAIN_IDX(prod); 5952 if (bce_get_pg_buf(sc, prod, prod_idx)) { 5953 /* Bail out if we can't add an mbuf to the chain. */ 5954 break; 5955 } 5956 prod = NEXT_PG_BD(prod); 5957 } 5958 5959 /* Save the page chain producer index. */ 5960 sc->pg_prod = prod; 5961 5962 DBRUNIF(((prod & USABLE_RX_BD_PER_PAGE) == USABLE_RX_BD_PER_PAGE), 5963 BCE_PRINTF("%s(): Invalid pg_prod value: 0x%04X\n", 5964 __FUNCTION__, pg_prod)); 5965 5966 /* 5967 * Write the mailbox and tell the chip about 5968 * the new rx_bd's in the page chain. 5969 */ 5970 REG_WR16(sc, MB_GET_CID_ADDR(RX_CID) + BCE_L2MQ_RX_HOST_PG_BDIDX, 5971 prod); 5972 5973 DBEXIT(BCE_VERBOSE_RESET | BCE_EXTREME_RECV | BCE_VERBOSE_LOAD | 5974 BCE_VERBOSE_CTX); 5975} 5976 5977/****************************************************************************/ 5978/* Free memory and clear the RX data structures. */ 5979/* */ 5980/* Returns: */ 5981/* Nothing. */ 5982/****************************************************************************/ 5983static void 5984bce_free_pg_chain(struct bce_softc *sc) 5985{ 5986 int i; 5987 5988 DBENTER(BCE_VERBOSE_RESET | BCE_VERBOSE_RECV | BCE_VERBOSE_UNLOAD); 5989 5990 /* Free any mbufs still in the mbuf page chain. */ 5991 for (i = 0; i < MAX_PG_BD_AVAIL; i++) { 5992 if (sc->pg_mbuf_ptr[i] != NULL) { 5993 if (sc->pg_mbuf_map[i] != NULL) 5994 bus_dmamap_sync(sc->pg_mbuf_tag, 5995 sc->pg_mbuf_map[i], 5996 BUS_DMASYNC_POSTREAD); 5997 m_freem(sc->pg_mbuf_ptr[i]); 5998 sc->pg_mbuf_ptr[i] = NULL; 5999 DBRUN(sc->debug_pg_mbuf_alloc--); 6000 } 6001 } 6002 6003 /* Clear each page chain pages. */ 6004 for (i = 0; i < sc->pg_pages; i++) 6005 bzero((char *)sc->pg_bd_chain[i], BCE_PG_CHAIN_PAGE_SZ); 6006 6007 sc->free_pg_bd = sc->max_pg_bd; 6008 6009 /* Check if we lost any mbufs in the process. */ 6010 DBRUNIF((sc->debug_pg_mbuf_alloc), 6011 BCE_PRINTF("%s(): Memory leak! Lost %d mbufs from page chain!\n", 6012 __FUNCTION__, sc->debug_pg_mbuf_alloc)); 6013 6014 DBEXIT(BCE_VERBOSE_RESET | BCE_VERBOSE_RECV | BCE_VERBOSE_UNLOAD); 6015} 6016 6017static u32 6018bce_get_rphy_link(struct bce_softc *sc) 6019{ 6020 u32 advertise, link; 6021 int fdpx; 6022 6023 advertise = 0; 6024 fdpx = 0; 6025 if ((sc->bce_phy_flags & BCE_PHY_REMOTE_PORT_FIBER_FLAG) != 0) 6026 link = bce_shmem_rd(sc, BCE_RPHY_SERDES_LINK); 6027 else 6028 link = bce_shmem_rd(sc, BCE_RPHY_COPPER_LINK); 6029 if (link & BCE_NETLINK_ANEG_ENB) 6030 advertise |= BCE_NETLINK_ANEG_ENB; 6031 if (link & BCE_NETLINK_SPEED_10HALF) 6032 advertise |= BCE_NETLINK_SPEED_10HALF; 6033 if (link & BCE_NETLINK_SPEED_10FULL) { 6034 advertise |= BCE_NETLINK_SPEED_10FULL; 6035 fdpx++; 6036 } 6037 if (link & BCE_NETLINK_SPEED_100HALF) 6038 advertise |= BCE_NETLINK_SPEED_100HALF; 6039 if (link & BCE_NETLINK_SPEED_100FULL) { 6040 advertise |= BCE_NETLINK_SPEED_100FULL; 6041 fdpx++; 6042 } 6043 if (link & BCE_NETLINK_SPEED_1000HALF) 6044 advertise |= BCE_NETLINK_SPEED_1000HALF; 6045 if (link & BCE_NETLINK_SPEED_1000FULL) { 6046 advertise |= BCE_NETLINK_SPEED_1000FULL; 6047 fdpx++; 6048 } 6049 if (link & BCE_NETLINK_SPEED_2500HALF) 6050 advertise |= BCE_NETLINK_SPEED_2500HALF; 6051 if (link & BCE_NETLINK_SPEED_2500FULL) { 6052 advertise |= BCE_NETLINK_SPEED_2500FULL; 6053 fdpx++; 6054 } 6055 if (fdpx) 6056 advertise |= BCE_NETLINK_FC_PAUSE_SYM | 6057 BCE_NETLINK_FC_PAUSE_ASYM; 6058 if ((sc->bce_phy_flags & BCE_PHY_REMOTE_PORT_FIBER_FLAG) == 0) 6059 advertise |= BCE_NETLINK_PHY_APP_REMOTE | 6060 BCE_NETLINK_ETH_AT_WIRESPEED; 6061 6062 return (advertise); 6063} 6064 6065/****************************************************************************/ 6066/* Set media options. */ 6067/* */ 6068/* Returns: */ 6069/* 0 for success, positive value for failure. */ 6070/****************************************************************************/ 6071static int 6072bce_ifmedia_upd(if_t ifp) 6073{ 6074 struct bce_softc *sc = if_getsoftc(ifp); 6075 int error; 6076 6077 DBENTER(BCE_VERBOSE); 6078 6079 BCE_LOCK(sc); 6080 error = bce_ifmedia_upd_locked(ifp); 6081 BCE_UNLOCK(sc); 6082 6083 DBEXIT(BCE_VERBOSE); 6084 return (error); 6085} 6086 6087/****************************************************************************/ 6088/* Set media options. */ 6089/* */ 6090/* Returns: */ 6091/* Nothing. */ 6092/****************************************************************************/ 6093static int 6094bce_ifmedia_upd_locked(if_t ifp) 6095{ 6096 struct bce_softc *sc = if_getsoftc(ifp); 6097 struct mii_data *mii; 6098 struct mii_softc *miisc; 6099 struct ifmedia *ifm; 6100 u32 link; 6101 int error, fdx; 6102 6103 DBENTER(BCE_VERBOSE_PHY); 6104 6105 error = 0; 6106 BCE_LOCK_ASSERT(sc); 6107 6108 sc->bce_link_up = FALSE; 6109 if ((sc->bce_phy_flags & BCE_PHY_REMOTE_CAP_FLAG) != 0) { 6110 ifm = &sc->bce_ifmedia; 6111 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 6112 return (EINVAL); 6113 link = 0; 6114 fdx = IFM_OPTIONS(ifm->ifm_media) & IFM_FDX; 6115 switch(IFM_SUBTYPE(ifm->ifm_media)) { 6116 case IFM_AUTO: 6117 /* 6118 * Check advertised link of remote PHY by reading 6119 * BCE_RPHY_SERDES_LINK or BCE_RPHY_COPPER_LINK. 6120 * Always use the same link type of remote PHY. 6121 */ 6122 link = bce_get_rphy_link(sc); 6123 break; 6124 case IFM_2500_SX: 6125 if ((sc->bce_phy_flags & 6126 (BCE_PHY_REMOTE_PORT_FIBER_FLAG | 6127 BCE_PHY_2_5G_CAPABLE_FLAG)) == 0) 6128 return (EINVAL); 6129 /* 6130 * XXX 6131 * Have to enable forced 2.5Gbps configuration. 6132 */ 6133 if (fdx != 0) 6134 link |= BCE_NETLINK_SPEED_2500FULL; 6135 else 6136 link |= BCE_NETLINK_SPEED_2500HALF; 6137 break; 6138 case IFM_1000_SX: 6139 if ((sc->bce_phy_flags & 6140 BCE_PHY_REMOTE_PORT_FIBER_FLAG) == 0) 6141 return (EINVAL); 6142 /* 6143 * XXX 6144 * Have to disable 2.5Gbps configuration. 6145 */ 6146 if (fdx != 0) 6147 link = BCE_NETLINK_SPEED_1000FULL; 6148 else 6149 link = BCE_NETLINK_SPEED_1000HALF; 6150 break; 6151 case IFM_1000_T: 6152 if (sc->bce_phy_flags & BCE_PHY_REMOTE_PORT_FIBER_FLAG) 6153 return (EINVAL); 6154 if (fdx != 0) 6155 link = BCE_NETLINK_SPEED_1000FULL; 6156 else 6157 link = BCE_NETLINK_SPEED_1000HALF; 6158 break; 6159 case IFM_100_TX: 6160 if (sc->bce_phy_flags & BCE_PHY_REMOTE_PORT_FIBER_FLAG) 6161 return (EINVAL); 6162 if (fdx != 0) 6163 link = BCE_NETLINK_SPEED_100FULL; 6164 else 6165 link = BCE_NETLINK_SPEED_100HALF; 6166 break; 6167 case IFM_10_T: 6168 if (sc->bce_phy_flags & BCE_PHY_REMOTE_PORT_FIBER_FLAG) 6169 return (EINVAL); 6170 if (fdx != 0) 6171 link = BCE_NETLINK_SPEED_10FULL; 6172 else 6173 link = BCE_NETLINK_SPEED_10HALF; 6174 break; 6175 default: 6176 return (EINVAL); 6177 } 6178 if (IFM_SUBTYPE(ifm->ifm_media) != IFM_AUTO) { 6179 /* 6180 * XXX 6181 * Advertise pause capability for full-duplex media. 6182 */ 6183 if (fdx != 0) 6184 link |= BCE_NETLINK_FC_PAUSE_SYM | 6185 BCE_NETLINK_FC_PAUSE_ASYM; 6186 if ((sc->bce_phy_flags & 6187 BCE_PHY_REMOTE_PORT_FIBER_FLAG) == 0) 6188 link |= BCE_NETLINK_PHY_APP_REMOTE | 6189 BCE_NETLINK_ETH_AT_WIRESPEED; 6190 } 6191 6192 bce_shmem_wr(sc, BCE_MB_ARGS_0, link); 6193 error = bce_fw_sync(sc, BCE_DRV_MSG_CODE_CMD_SET_LINK); 6194 } else { 6195 mii = device_get_softc(sc->bce_miibus); 6196 6197 /* Make sure the MII bus has been enumerated. */ 6198 if (mii) { 6199 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) 6200 PHY_RESET(miisc); 6201 error = mii_mediachg(mii); 6202 } 6203 } 6204 6205 DBEXIT(BCE_VERBOSE_PHY); 6206 return (error); 6207} 6208 6209static void 6210bce_ifmedia_sts_rphy(struct bce_softc *sc, struct ifmediareq *ifmr) 6211{ 6212 if_t ifp; 6213 u32 link; 6214 6215 ifp = sc->bce_ifp; 6216 BCE_LOCK_ASSERT(sc); 6217 6218 ifmr->ifm_status = IFM_AVALID; 6219 ifmr->ifm_active = IFM_ETHER; 6220 link = bce_shmem_rd(sc, BCE_LINK_STATUS); 6221 /* XXX Handle heart beat status? */ 6222 if ((link & BCE_LINK_STATUS_LINK_UP) != 0) 6223 ifmr->ifm_status |= IFM_ACTIVE; 6224 else { 6225 ifmr->ifm_active |= IFM_NONE; 6226 if_setbaudrate(ifp, 0); 6227 return; 6228 } 6229 switch (link & BCE_LINK_STATUS_SPEED_MASK) { 6230 case BCE_LINK_STATUS_10HALF: 6231 ifmr->ifm_active |= IFM_10_T | IFM_HDX; 6232 if_setbaudrate(ifp, IF_Mbps(10UL)); 6233 break; 6234 case BCE_LINK_STATUS_10FULL: 6235 ifmr->ifm_active |= IFM_10_T | IFM_FDX; 6236 if_setbaudrate(ifp, IF_Mbps(10UL)); 6237 break; 6238 case BCE_LINK_STATUS_100HALF: 6239 ifmr->ifm_active |= IFM_100_TX | IFM_HDX; 6240 if_setbaudrate(ifp, IF_Mbps(100UL)); 6241 break; 6242 case BCE_LINK_STATUS_100FULL: 6243 ifmr->ifm_active |= IFM_100_TX | IFM_FDX; 6244 if_setbaudrate(ifp, IF_Mbps(100UL)); 6245 break; 6246 case BCE_LINK_STATUS_1000HALF: 6247 if ((sc->bce_phy_flags & BCE_PHY_REMOTE_PORT_FIBER_FLAG) == 0) 6248 ifmr->ifm_active |= IFM_1000_T | IFM_HDX; 6249 else 6250 ifmr->ifm_active |= IFM_1000_SX | IFM_HDX; 6251 if_setbaudrate(ifp, IF_Mbps(1000UL)); 6252 break; 6253 case BCE_LINK_STATUS_1000FULL: 6254 if ((sc->bce_phy_flags & BCE_PHY_REMOTE_PORT_FIBER_FLAG) == 0) 6255 ifmr->ifm_active |= IFM_1000_T | IFM_FDX; 6256 else 6257 ifmr->ifm_active |= IFM_1000_SX | IFM_FDX; 6258 if_setbaudrate(ifp, IF_Mbps(1000UL)); 6259 break; 6260 case BCE_LINK_STATUS_2500HALF: 6261 if ((sc->bce_phy_flags & BCE_PHY_REMOTE_PORT_FIBER_FLAG) == 0) { 6262 ifmr->ifm_active |= IFM_NONE; 6263 return; 6264 } else 6265 ifmr->ifm_active |= IFM_2500_SX | IFM_HDX; 6266 if_setbaudrate(ifp, IF_Mbps(2500UL)); 6267 break; 6268 case BCE_LINK_STATUS_2500FULL: 6269 if ((sc->bce_phy_flags & BCE_PHY_REMOTE_PORT_FIBER_FLAG) == 0) { 6270 ifmr->ifm_active |= IFM_NONE; 6271 return; 6272 } else 6273 ifmr->ifm_active |= IFM_2500_SX | IFM_FDX; 6274 if_setbaudrate(ifp, IF_Mbps(2500UL)); 6275 break; 6276 default: 6277 ifmr->ifm_active |= IFM_NONE; 6278 return; 6279 } 6280 6281 if ((link & BCE_LINK_STATUS_RX_FC_ENABLED) != 0) 6282 ifmr->ifm_active |= IFM_ETH_RXPAUSE; 6283 if ((link & BCE_LINK_STATUS_TX_FC_ENABLED) != 0) 6284 ifmr->ifm_active |= IFM_ETH_TXPAUSE; 6285} 6286 6287/****************************************************************************/ 6288/* Reports current media status. */ 6289/* */ 6290/* Returns: */ 6291/* Nothing. */ 6292/****************************************************************************/ 6293static void 6294bce_ifmedia_sts(if_t ifp, struct ifmediareq *ifmr) 6295{ 6296 struct bce_softc *sc = if_getsoftc(ifp); 6297 struct mii_data *mii; 6298 6299 DBENTER(BCE_VERBOSE_PHY); 6300 6301 BCE_LOCK(sc); 6302 6303 if ((if_getflags(ifp) & IFF_UP) == 0) { 6304 BCE_UNLOCK(sc); 6305 return; 6306 } 6307 6308 if ((sc->bce_phy_flags & BCE_PHY_REMOTE_CAP_FLAG) != 0) 6309 bce_ifmedia_sts_rphy(sc, ifmr); 6310 else { 6311 mii = device_get_softc(sc->bce_miibus); 6312 mii_pollstat(mii); 6313 ifmr->ifm_active = mii->mii_media_active; 6314 ifmr->ifm_status = mii->mii_media_status; 6315 } 6316 6317 BCE_UNLOCK(sc); 6318 6319 DBEXIT(BCE_VERBOSE_PHY); 6320} 6321 6322/****************************************************************************/ 6323/* Handles PHY generated interrupt events. */ 6324/* */ 6325/* Returns: */ 6326/* Nothing. */ 6327/****************************************************************************/ 6328static void 6329bce_phy_intr(struct bce_softc *sc) 6330{ 6331 u32 new_link_state, old_link_state; 6332 6333 DBENTER(BCE_VERBOSE_PHY | BCE_VERBOSE_INTR); 6334 6335 DBRUN(sc->phy_interrupts++); 6336 6337 new_link_state = sc->status_block->status_attn_bits & 6338 STATUS_ATTN_BITS_LINK_STATE; 6339 old_link_state = sc->status_block->status_attn_bits_ack & 6340 STATUS_ATTN_BITS_LINK_STATE; 6341 6342 /* Handle any changes if the link state has changed. */ 6343 if (new_link_state != old_link_state) { 6344 /* Update the status_attn_bits_ack field. */ 6345 if (new_link_state) { 6346 REG_WR(sc, BCE_PCICFG_STATUS_BIT_SET_CMD, 6347 STATUS_ATTN_BITS_LINK_STATE); 6348 DBPRINT(sc, BCE_INFO_PHY, "%s(): Link is now UP.\n", 6349 __FUNCTION__); 6350 } else { 6351 REG_WR(sc, BCE_PCICFG_STATUS_BIT_CLEAR_CMD, 6352 STATUS_ATTN_BITS_LINK_STATE); 6353 DBPRINT(sc, BCE_INFO_PHY, "%s(): Link is now DOWN.\n", 6354 __FUNCTION__); 6355 } 6356 6357 if ((sc->bce_phy_flags & BCE_PHY_REMOTE_CAP_FLAG) != 0) { 6358 if (new_link_state) { 6359 if (bootverbose) 6360 if_printf(sc->bce_ifp, "link UP\n"); 6361 if_link_state_change(sc->bce_ifp, 6362 LINK_STATE_UP); 6363 } else { 6364 if (bootverbose) 6365 if_printf(sc->bce_ifp, "link DOWN\n"); 6366 if_link_state_change(sc->bce_ifp, 6367 LINK_STATE_DOWN); 6368 } 6369 } 6370 /* 6371 * Assume link is down and allow 6372 * tick routine to update the state 6373 * based on the actual media state. 6374 */ 6375 sc->bce_link_up = FALSE; 6376 callout_stop(&sc->bce_tick_callout); 6377 bce_tick(sc); 6378 } 6379 6380 /* Acknowledge the link change interrupt. */ 6381 REG_WR(sc, BCE_EMAC_STATUS, BCE_EMAC_STATUS_LINK_CHANGE); 6382 6383 DBEXIT(BCE_VERBOSE_PHY | BCE_VERBOSE_INTR); 6384} 6385 6386/****************************************************************************/ 6387/* Reads the receive consumer value from the status block (skipping over */ 6388/* chain page pointer if necessary). */ 6389/* */ 6390/* Returns: */ 6391/* hw_cons */ 6392/****************************************************************************/ 6393static inline u16 6394bce_get_hw_rx_cons(struct bce_softc *sc) 6395{ 6396 u16 hw_cons; 6397 6398 rmb(); 6399 hw_cons = sc->status_block->status_rx_quick_consumer_index0; 6400 if ((hw_cons & USABLE_RX_BD_PER_PAGE) == USABLE_RX_BD_PER_PAGE) 6401 hw_cons++; 6402 6403 return hw_cons; 6404} 6405 6406/****************************************************************************/ 6407/* Handles received frame interrupt events. */ 6408/* */ 6409/* Returns: */ 6410/* Nothing. */ 6411/****************************************************************************/ 6412static void 6413bce_rx_intr(struct bce_softc *sc) 6414{ 6415 if_t ifp = sc->bce_ifp; 6416 struct l2_fhdr *l2fhdr; 6417 struct ether_vlan_header *vh; 6418 unsigned int pkt_len; 6419 u16 sw_rx_cons, sw_rx_cons_idx, hw_rx_cons; 6420 u32 status; 6421 unsigned int rem_len; 6422 u16 sw_pg_cons, sw_pg_cons_idx; 6423 6424 DBENTER(BCE_VERBOSE_RECV | BCE_VERBOSE_INTR); 6425 DBRUN(sc->interrupts_rx++); 6426 DBPRINT(sc, BCE_EXTREME_RECV, "%s(enter): rx_prod = 0x%04X, " 6427 "rx_cons = 0x%04X, rx_prod_bseq = 0x%08X\n", 6428 __FUNCTION__, sc->rx_prod, sc->rx_cons, sc->rx_prod_bseq); 6429 6430 /* Prepare the RX chain pages to be accessed by the host CPU. */ 6431 for (int i = 0; i < sc->rx_pages; i++) 6432 bus_dmamap_sync(sc->rx_bd_chain_tag, 6433 sc->rx_bd_chain_map[i], BUS_DMASYNC_POSTREAD); 6434 6435 /* Prepare the page chain pages to be accessed by the host CPU. */ 6436 if (bce_hdr_split == TRUE) { 6437 for (int i = 0; i < sc->pg_pages; i++) 6438 bus_dmamap_sync(sc->pg_bd_chain_tag, 6439 sc->pg_bd_chain_map[i], BUS_DMASYNC_POSTREAD); 6440 } 6441 6442 /* Get the hardware's view of the RX consumer index. */ 6443 hw_rx_cons = sc->hw_rx_cons = bce_get_hw_rx_cons(sc); 6444 6445 /* Get working copies of the driver's view of the consumer indices. */ 6446 sw_rx_cons = sc->rx_cons; 6447 sw_pg_cons = sc->pg_cons; 6448 6449 /* Update some debug statistics counters */ 6450 DBRUNIF((sc->free_rx_bd < sc->rx_low_watermark), 6451 sc->rx_low_watermark = sc->free_rx_bd); 6452 DBRUNIF((sc->free_rx_bd == sc->max_rx_bd), 6453 sc->rx_empty_count++); 6454 6455 /* Scan through the receive chain as long as there is work to do */ 6456 /* ToDo: Consider setting a limit on the number of packets processed. */ 6457 rmb(); 6458 while (sw_rx_cons != hw_rx_cons) { 6459 struct mbuf *m0; 6460 6461 /* Convert the producer/consumer indices to an actual rx_bd index. */ 6462 sw_rx_cons_idx = RX_CHAIN_IDX(sw_rx_cons); 6463 6464 /* Unmap the mbuf from DMA space. */ 6465 bus_dmamap_sync(sc->rx_mbuf_tag, 6466 sc->rx_mbuf_map[sw_rx_cons_idx], 6467 BUS_DMASYNC_POSTREAD); 6468 bus_dmamap_unload(sc->rx_mbuf_tag, 6469 sc->rx_mbuf_map[sw_rx_cons_idx]); 6470 6471 /* Remove the mbuf from the RX chain. */ 6472 m0 = sc->rx_mbuf_ptr[sw_rx_cons_idx]; 6473 sc->rx_mbuf_ptr[sw_rx_cons_idx] = NULL; 6474 DBRUN(sc->debug_rx_mbuf_alloc--); 6475 sc->free_rx_bd++; 6476 6477 /* 6478 * Frames received on the NetXteme II are prepended 6479 * with an l2_fhdr structure which provides status 6480 * information about the received frame (including 6481 * VLAN tags and checksum info). The frames are 6482 * also automatically adjusted to word align the IP 6483 * header (i.e. two null bytes are inserted before 6484 * the Ethernet header). As a result the data 6485 * DMA'd by the controller into the mbuf looks 6486 * like this: 6487 * 6488 * +---------+-----+---------------------+-----+ 6489 * | l2_fhdr | pad | packet data | FCS | 6490 * +---------+-----+---------------------+-----+ 6491 * 6492 * The l2_fhdr needs to be checked and skipped and 6493 * the FCS needs to be stripped before sending the 6494 * packet up the stack. 6495 */ 6496 l2fhdr = mtod(m0, struct l2_fhdr *); 6497 6498 /* Get the packet data + FCS length and the status. */ 6499 pkt_len = l2fhdr->l2_fhdr_pkt_len; 6500 status = l2fhdr->l2_fhdr_status; 6501 6502 /* 6503 * Skip over the l2_fhdr and pad, resulting in the 6504 * following data in the mbuf: 6505 * +---------------------+-----+ 6506 * | packet data | FCS | 6507 * +---------------------+-----+ 6508 */ 6509 m_adj(m0, sizeof(struct l2_fhdr) + ETHER_ALIGN); 6510 6511 /* 6512 * When split header mode is used, an ethernet frame 6513 * may be split across the receive chain and the 6514 * page chain. If that occurs an mbuf cluster must be 6515 * reassembled from the individual mbuf pieces. 6516 */ 6517 if (bce_hdr_split == TRUE) { 6518 /* 6519 * Check whether the received frame fits in a single 6520 * mbuf or not (i.e. packet data + FCS <= 6521 * sc->rx_bd_mbuf_data_len bytes). 6522 */ 6523 if (pkt_len > m0->m_len) { 6524 /* 6525 * The received frame is larger than a single mbuf. 6526 * If the frame was a TCP frame then only the TCP 6527 * header is placed in the mbuf, the remaining 6528 * payload (including FCS) is placed in the page 6529 * chain, the SPLIT flag is set, and the header 6530 * length is placed in the IP checksum field. 6531 * If the frame is not a TCP frame then the mbuf 6532 * is filled and the remaining bytes are placed 6533 * in the page chain. 6534 */ 6535 6536 DBPRINT(sc, BCE_INFO_RECV, "%s(): Found a large " 6537 "packet.\n", __FUNCTION__); 6538 DBRUN(sc->split_header_frames_rcvd++); 6539 6540 /* 6541 * When the page chain is enabled and the TCP 6542 * header has been split from the TCP payload, 6543 * the ip_xsum structure will reflect the length 6544 * of the TCP header, not the IP checksum. Set 6545 * the packet length of the mbuf accordingly. 6546 */ 6547 if (status & L2_FHDR_STATUS_SPLIT) { 6548 m0->m_len = l2fhdr->l2_fhdr_ip_xsum; 6549 DBRUN(sc->split_header_tcp_frames_rcvd++); 6550 } 6551 6552 rem_len = pkt_len - m0->m_len; 6553 6554 /* Pull mbufs off the page chain for any remaining data. */ 6555 while (rem_len > 0) { 6556 struct mbuf *m_pg; 6557 6558 sw_pg_cons_idx = PG_CHAIN_IDX(sw_pg_cons); 6559 6560 /* Remove the mbuf from the page chain. */ 6561 m_pg = sc->pg_mbuf_ptr[sw_pg_cons_idx]; 6562 sc->pg_mbuf_ptr[sw_pg_cons_idx] = NULL; 6563 DBRUN(sc->debug_pg_mbuf_alloc--); 6564 sc->free_pg_bd++; 6565 6566 /* Unmap the page chain mbuf from DMA space. */ 6567 bus_dmamap_sync(sc->pg_mbuf_tag, 6568 sc->pg_mbuf_map[sw_pg_cons_idx], 6569 BUS_DMASYNC_POSTREAD); 6570 bus_dmamap_unload(sc->pg_mbuf_tag, 6571 sc->pg_mbuf_map[sw_pg_cons_idx]); 6572 6573 /* Adjust the mbuf length. */ 6574 if (rem_len < m_pg->m_len) { 6575 /* The mbuf chain is complete. */ 6576 m_pg->m_len = rem_len; 6577 rem_len = 0; 6578 } else { 6579 /* More packet data is waiting. */ 6580 rem_len -= m_pg->m_len; 6581 } 6582 6583 /* Concatenate the mbuf cluster to the mbuf. */ 6584 m_cat(m0, m_pg); 6585 6586 sw_pg_cons = NEXT_PG_BD(sw_pg_cons); 6587 } 6588 6589 /* Set the total packet length. */ 6590 m0->m_pkthdr.len = pkt_len; 6591 6592 } else { 6593 /* 6594 * The received packet is small and fits in a 6595 * single mbuf (i.e. the l2_fhdr + pad + packet + 6596 * FCS <= MHLEN). In other words, the packet is 6597 * 154 bytes or less in size. 6598 */ 6599 6600 DBPRINT(sc, BCE_INFO_RECV, "%s(): Found a small " 6601 "packet.\n", __FUNCTION__); 6602 6603 /* Set the total packet length. */ 6604 m0->m_pkthdr.len = m0->m_len = pkt_len; 6605 } 6606 } else 6607 /* Set the total packet length. */ 6608 m0->m_pkthdr.len = m0->m_len = pkt_len; 6609 6610 /* Remove the trailing Ethernet FCS. */ 6611 m_adj(m0, -ETHER_CRC_LEN); 6612 6613 /* Check that the resulting mbuf chain is valid. */ 6614 DBRUN(m_sanity(m0, FALSE)); 6615 DBRUNIF(((m0->m_len < ETHER_HDR_LEN) | 6616 (m0->m_pkthdr.len > BCE_MAX_JUMBO_ETHER_MTU_VLAN)), 6617 BCE_PRINTF("Invalid Ethernet frame size!\n"); 6618 m_print(m0, 128)); 6619 6620 DBRUNIF(DB_RANDOMTRUE(l2fhdr_error_sim_control), 6621 sc->l2fhdr_error_sim_count++; 6622 status = status | L2_FHDR_ERRORS_PHY_DECODE); 6623 6624 /* Check the received frame for errors. */ 6625 if (status & (L2_FHDR_ERRORS_BAD_CRC | 6626 L2_FHDR_ERRORS_PHY_DECODE | L2_FHDR_ERRORS_ALIGNMENT | 6627 L2_FHDR_ERRORS_TOO_SHORT | L2_FHDR_ERRORS_GIANT_FRAME)) { 6628 /* Log the error and release the mbuf. */ 6629 sc->l2fhdr_error_count++; 6630 m_freem(m0); 6631 m0 = NULL; 6632 goto bce_rx_intr_next_rx; 6633 } 6634 6635 /* Send the packet to the appropriate interface. */ 6636 m0->m_pkthdr.rcvif = ifp; 6637 6638 /* Assume no hardware checksum. */ 6639 m0->m_pkthdr.csum_flags = 0; 6640 6641 /* Validate the checksum if offload enabled. */ 6642 if (if_getcapenable(ifp) & IFCAP_RXCSUM) { 6643 /* Check for an IP datagram. */ 6644 if (!(status & L2_FHDR_STATUS_SPLIT) && 6645 (status & L2_FHDR_STATUS_IP_DATAGRAM)) { 6646 m0->m_pkthdr.csum_flags |= CSUM_IP_CHECKED; 6647 DBRUN(sc->csum_offload_ip++); 6648 /* Check if the IP checksum is valid. */ 6649 if ((l2fhdr->l2_fhdr_ip_xsum ^ 0xffff) == 0) 6650 m0->m_pkthdr.csum_flags |= 6651 CSUM_IP_VALID; 6652 } 6653 6654 /* Check for a valid TCP/UDP frame. */ 6655 if (status & (L2_FHDR_STATUS_TCP_SEGMENT | 6656 L2_FHDR_STATUS_UDP_DATAGRAM)) { 6657 /* Check for a good TCP/UDP checksum. */ 6658 if ((status & (L2_FHDR_ERRORS_TCP_XSUM | 6659 L2_FHDR_ERRORS_UDP_XSUM)) == 0) { 6660 DBRUN(sc->csum_offload_tcp_udp++); 6661 m0->m_pkthdr.csum_data = 6662 l2fhdr->l2_fhdr_tcp_udp_xsum; 6663 m0->m_pkthdr.csum_flags |= 6664 (CSUM_DATA_VALID 6665 | CSUM_PSEUDO_HDR); 6666 } 6667 } 6668 } 6669 6670 /* Attach the VLAN tag. */ 6671 if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && 6672 !(sc->rx_mode & BCE_EMAC_RX_MODE_KEEP_VLAN_TAG)) { 6673 DBRUN(sc->vlan_tagged_frames_rcvd++); 6674 if (if_getcapenable(ifp) & IFCAP_VLAN_HWTAGGING) { 6675 DBRUN(sc->vlan_tagged_frames_stripped++); 6676 m0->m_pkthdr.ether_vtag = 6677 l2fhdr->l2_fhdr_vlan_tag; 6678 m0->m_flags |= M_VLANTAG; 6679 } else { 6680 /* 6681 * bce(4) controllers can't disable VLAN 6682 * tag stripping if management firmware 6683 * (ASF/IPMI/UMP) is running. So we always 6684 * strip VLAN tag and manually reconstruct 6685 * the VLAN frame by appending stripped 6686 * VLAN tag in driver if VLAN tag stripping 6687 * was disabled. 6688 * 6689 * TODO: LLC SNAP handling. 6690 */ 6691 bcopy(mtod(m0, uint8_t *), 6692 mtod(m0, uint8_t *) - ETHER_VLAN_ENCAP_LEN, 6693 ETHER_ADDR_LEN * 2); 6694 m0->m_data -= ETHER_VLAN_ENCAP_LEN; 6695 vh = mtod(m0, struct ether_vlan_header *); 6696 vh->evl_encap_proto = htons(ETHERTYPE_VLAN); 6697 vh->evl_tag = htons(l2fhdr->l2_fhdr_vlan_tag); 6698 m0->m_pkthdr.len += ETHER_VLAN_ENCAP_LEN; 6699 m0->m_len += ETHER_VLAN_ENCAP_LEN; 6700 } 6701 } 6702 6703 /* Increment received packet statistics. */ 6704 if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1); 6705 6706bce_rx_intr_next_rx: 6707 sw_rx_cons = NEXT_RX_BD(sw_rx_cons); 6708 6709 /* If we have a packet, pass it up the stack */ 6710 if (m0) { 6711 /* Make sure we don't lose our place when we release the lock. */ 6712 sc->rx_cons = sw_rx_cons; 6713 sc->pg_cons = sw_pg_cons; 6714 6715 BCE_UNLOCK(sc); 6716 if_input(ifp, m0); 6717 BCE_LOCK(sc); 6718 6719 /* Recover our place. */ 6720 sw_rx_cons = sc->rx_cons; 6721 sw_pg_cons = sc->pg_cons; 6722 } 6723 6724 /* Refresh hw_cons to see if there's new work */ 6725 if (sw_rx_cons == hw_rx_cons) 6726 hw_rx_cons = sc->hw_rx_cons = bce_get_hw_rx_cons(sc); 6727 } 6728 6729 /* No new packets. Refill the page chain. */ 6730 if (bce_hdr_split == TRUE) { 6731 sc->pg_cons = sw_pg_cons; 6732 bce_fill_pg_chain(sc); 6733 } 6734 6735 /* No new packets. Refill the RX chain. */ 6736 sc->rx_cons = sw_rx_cons; 6737 bce_fill_rx_chain(sc); 6738 6739 /* Prepare the page chain pages to be accessed by the NIC. */ 6740 for (int i = 0; i < sc->rx_pages; i++) 6741 bus_dmamap_sync(sc->rx_bd_chain_tag, 6742 sc->rx_bd_chain_map[i], BUS_DMASYNC_PREWRITE); 6743 6744 if (bce_hdr_split == TRUE) { 6745 for (int i = 0; i < sc->pg_pages; i++) 6746 bus_dmamap_sync(sc->pg_bd_chain_tag, 6747 sc->pg_bd_chain_map[i], BUS_DMASYNC_PREWRITE); 6748 } 6749 6750 DBPRINT(sc, BCE_EXTREME_RECV, "%s(exit): rx_prod = 0x%04X, " 6751 "rx_cons = 0x%04X, rx_prod_bseq = 0x%08X\n", 6752 __FUNCTION__, sc->rx_prod, sc->rx_cons, sc->rx_prod_bseq); 6753 DBEXIT(BCE_VERBOSE_RECV | BCE_VERBOSE_INTR); 6754} 6755 6756/****************************************************************************/ 6757/* Reads the transmit consumer value from the status block (skipping over */ 6758/* chain page pointer if necessary). */ 6759/* */ 6760/* Returns: */ 6761/* hw_cons */ 6762/****************************************************************************/ 6763static inline u16 6764bce_get_hw_tx_cons(struct bce_softc *sc) 6765{ 6766 u16 hw_cons; 6767 6768 mb(); 6769 hw_cons = sc->status_block->status_tx_quick_consumer_index0; 6770 if ((hw_cons & USABLE_TX_BD_PER_PAGE) == USABLE_TX_BD_PER_PAGE) 6771 hw_cons++; 6772 6773 return hw_cons; 6774} 6775 6776/****************************************************************************/ 6777/* Handles transmit completion interrupt events. */ 6778/* */ 6779/* Returns: */ 6780/* Nothing. */ 6781/****************************************************************************/ 6782static void 6783bce_tx_intr(struct bce_softc *sc) 6784{ 6785 if_t ifp = sc->bce_ifp; 6786 u16 hw_tx_cons, sw_tx_cons, sw_tx_chain_cons; 6787 6788 DBENTER(BCE_VERBOSE_SEND | BCE_VERBOSE_INTR); 6789 DBRUN(sc->interrupts_tx++); 6790 DBPRINT(sc, BCE_EXTREME_SEND, "%s(enter): tx_prod = 0x%04X, " 6791 "tx_cons = 0x%04X, tx_prod_bseq = 0x%08X\n", 6792 __FUNCTION__, sc->tx_prod, sc->tx_cons, sc->tx_prod_bseq); 6793 6794 BCE_LOCK_ASSERT(sc); 6795 6796 /* Get the hardware's view of the TX consumer index. */ 6797 hw_tx_cons = sc->hw_tx_cons = bce_get_hw_tx_cons(sc); 6798 sw_tx_cons = sc->tx_cons; 6799 6800 /* Prevent speculative reads of the status block. */ 6801 bus_space_barrier(sc->bce_btag, sc->bce_bhandle, 0, 0, 6802 BUS_SPACE_BARRIER_READ); 6803 6804 /* Cycle through any completed TX chain page entries. */ 6805 while (sw_tx_cons != hw_tx_cons) { 6806#ifdef BCE_DEBUG 6807 struct tx_bd *txbd = NULL; 6808#endif 6809 sw_tx_chain_cons = TX_CHAIN_IDX(sw_tx_cons); 6810 6811 DBPRINT(sc, BCE_INFO_SEND, 6812 "%s(): hw_tx_cons = 0x%04X, sw_tx_cons = 0x%04X, " 6813 "sw_tx_chain_cons = 0x%04X\n", 6814 __FUNCTION__, hw_tx_cons, sw_tx_cons, sw_tx_chain_cons); 6815 6816 DBRUNIF((sw_tx_chain_cons > MAX_TX_BD_ALLOC), 6817 BCE_PRINTF("%s(%d): TX chain consumer out of range! " 6818 " 0x%04X > 0x%04X\n", __FILE__, __LINE__, sw_tx_chain_cons, 6819 (int) MAX_TX_BD_ALLOC); 6820 bce_breakpoint(sc)); 6821 6822 DBRUN(txbd = &sc->tx_bd_chain[TX_PAGE(sw_tx_chain_cons)] 6823 [TX_IDX(sw_tx_chain_cons)]); 6824 6825 DBRUNIF((txbd == NULL), 6826 BCE_PRINTF("%s(%d): Unexpected NULL tx_bd[0x%04X]!\n", 6827 __FILE__, __LINE__, sw_tx_chain_cons); 6828 bce_breakpoint(sc)); 6829 6830 DBRUNMSG(BCE_INFO_SEND, BCE_PRINTF("%s(): ", __FUNCTION__); 6831 bce_dump_txbd(sc, sw_tx_chain_cons, txbd)); 6832 6833 /* 6834 * Free the associated mbuf. Remember 6835 * that only the last tx_bd of a packet 6836 * has an mbuf pointer and DMA map. 6837 */ 6838 if (sc->tx_mbuf_ptr[sw_tx_chain_cons] != NULL) { 6839 /* Validate that this is the last tx_bd. */ 6840 DBRUNIF((!(txbd->tx_bd_flags & TX_BD_FLAGS_END)), 6841 BCE_PRINTF("%s(%d): tx_bd END flag not set but " 6842 "txmbuf == NULL!\n", __FILE__, __LINE__); 6843 bce_breakpoint(sc)); 6844 6845 DBRUNMSG(BCE_INFO_SEND, 6846 BCE_PRINTF("%s(): Unloading map/freeing mbuf " 6847 "from tx_bd[0x%04X]\n", __FUNCTION__, 6848 sw_tx_chain_cons)); 6849 6850 /* Unmap the mbuf. */ 6851 bus_dmamap_unload(sc->tx_mbuf_tag, 6852 sc->tx_mbuf_map[sw_tx_chain_cons]); 6853 6854 /* Free the mbuf. */ 6855 m_freem(sc->tx_mbuf_ptr[sw_tx_chain_cons]); 6856 sc->tx_mbuf_ptr[sw_tx_chain_cons] = NULL; 6857 DBRUN(sc->debug_tx_mbuf_alloc--); 6858 6859 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 6860 } 6861 6862 sc->used_tx_bd--; 6863 sw_tx_cons = NEXT_TX_BD(sw_tx_cons); 6864 6865 /* Refresh hw_cons to see if there's new work. */ 6866 hw_tx_cons = sc->hw_tx_cons = bce_get_hw_tx_cons(sc); 6867 6868 /* Prevent speculative reads of the status block. */ 6869 bus_space_barrier(sc->bce_btag, sc->bce_bhandle, 0, 0, 6870 BUS_SPACE_BARRIER_READ); 6871 } 6872 6873 /* Clear the TX timeout timer. */ 6874 sc->watchdog_timer = 0; 6875 6876 /* Clear the tx hardware queue full flag. */ 6877 if (sc->used_tx_bd < sc->max_tx_bd) { 6878 DBRUNIF((if_getdrvflags(ifp) & IFF_DRV_OACTIVE), 6879 DBPRINT(sc, BCE_INFO_SEND, 6880 "%s(): Open TX chain! %d/%d (used/total)\n", 6881 __FUNCTION__, sc->used_tx_bd, sc->max_tx_bd)); 6882 if_setdrvflagbits(ifp, 0, IFF_DRV_OACTIVE); 6883 } 6884 6885 sc->tx_cons = sw_tx_cons; 6886 6887 DBPRINT(sc, BCE_EXTREME_SEND, "%s(exit): tx_prod = 0x%04X, " 6888 "tx_cons = 0x%04X, tx_prod_bseq = 0x%08X\n", 6889 __FUNCTION__, sc->tx_prod, sc->tx_cons, sc->tx_prod_bseq); 6890 DBEXIT(BCE_VERBOSE_SEND | BCE_VERBOSE_INTR); 6891} 6892 6893/****************************************************************************/ 6894/* Disables interrupt generation. */ 6895/* */ 6896/* Returns: */ 6897/* Nothing. */ 6898/****************************************************************************/ 6899static void 6900bce_disable_intr(struct bce_softc *sc) 6901{ 6902 DBENTER(BCE_VERBOSE_INTR); 6903 6904 REG_WR(sc, BCE_PCICFG_INT_ACK_CMD, BCE_PCICFG_INT_ACK_CMD_MASK_INT); 6905 REG_RD(sc, BCE_PCICFG_INT_ACK_CMD); 6906 6907 DBEXIT(BCE_VERBOSE_INTR); 6908} 6909 6910/****************************************************************************/ 6911/* Enables interrupt generation. */ 6912/* */ 6913/* Returns: */ 6914/* Nothing. */ 6915/****************************************************************************/ 6916static void 6917bce_enable_intr(struct bce_softc *sc, int coal_now) 6918{ 6919 DBENTER(BCE_VERBOSE_INTR); 6920 6921 REG_WR(sc, BCE_PCICFG_INT_ACK_CMD, 6922 BCE_PCICFG_INT_ACK_CMD_INDEX_VALID | 6923 BCE_PCICFG_INT_ACK_CMD_MASK_INT | sc->last_status_idx); 6924 6925 REG_WR(sc, BCE_PCICFG_INT_ACK_CMD, 6926 BCE_PCICFG_INT_ACK_CMD_INDEX_VALID | sc->last_status_idx); 6927 6928 /* Force an immediate interrupt (whether there is new data or not). */ 6929 if (coal_now) 6930 REG_WR(sc, BCE_HC_COMMAND, sc->hc_command | BCE_HC_COMMAND_COAL_NOW); 6931 6932 DBEXIT(BCE_VERBOSE_INTR); 6933} 6934 6935/****************************************************************************/ 6936/* Handles controller initialization. */ 6937/* */ 6938/* Returns: */ 6939/* Nothing. */ 6940/****************************************************************************/ 6941static void 6942bce_init_locked(struct bce_softc *sc) 6943{ 6944 if_t ifp; 6945 u32 ether_mtu = 0; 6946 6947 DBENTER(BCE_VERBOSE_RESET); 6948 6949 BCE_LOCK_ASSERT(sc); 6950 6951 ifp = sc->bce_ifp; 6952 6953 /* Check if the driver is still running and bail out if it is. */ 6954 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) 6955 goto bce_init_locked_exit; 6956 6957 bce_stop(sc); 6958 6959 if (bce_reset(sc, BCE_DRV_MSG_CODE_RESET)) { 6960 BCE_PRINTF("%s(%d): Controller reset failed!\n", 6961 __FILE__, __LINE__); 6962 goto bce_init_locked_exit; 6963 } 6964 6965 if (bce_chipinit(sc)) { 6966 BCE_PRINTF("%s(%d): Controller initialization failed!\n", 6967 __FILE__, __LINE__); 6968 goto bce_init_locked_exit; 6969 } 6970 6971 if (bce_blockinit(sc)) { 6972 BCE_PRINTF("%s(%d): Block initialization failed!\n", 6973 __FILE__, __LINE__); 6974 goto bce_init_locked_exit; 6975 } 6976 6977 /* Load our MAC address. */ 6978 bcopy(if_getlladdr(sc->bce_ifp), sc->eaddr, ETHER_ADDR_LEN); 6979 bce_set_mac_addr(sc); 6980 6981 if (bce_hdr_split == FALSE) 6982 bce_get_rx_buffer_sizes(sc, if_getmtu(ifp)); 6983 /* 6984 * Calculate and program the hardware Ethernet MTU 6985 * size. Be generous on the receive if we have room 6986 * and allowed by the user. 6987 */ 6988 if (bce_strict_rx_mtu == TRUE) 6989 ether_mtu = if_getmtu(ifp); 6990 else { 6991 if (bce_hdr_split == TRUE) { 6992 if (if_getmtu(ifp) <= sc->rx_bd_mbuf_data_len + MCLBYTES) 6993 ether_mtu = sc->rx_bd_mbuf_data_len + 6994 MCLBYTES; 6995 else 6996 ether_mtu = if_getmtu(ifp); 6997 } else { 6998 if (if_getmtu(ifp) <= sc->rx_bd_mbuf_data_len) 6999 ether_mtu = sc->rx_bd_mbuf_data_len; 7000 else 7001 ether_mtu = if_getmtu(ifp); 7002 } 7003 } 7004 7005 ether_mtu += ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN + ETHER_CRC_LEN; 7006 7007 DBPRINT(sc, BCE_INFO_MISC, "%s(): setting h/w mtu = %d\n", 7008 __FUNCTION__, ether_mtu); 7009 7010 /* Program the mtu, enabling jumbo frame support if necessary. */ 7011 if (ether_mtu > (ETHER_MAX_LEN + ETHER_VLAN_ENCAP_LEN)) 7012 REG_WR(sc, BCE_EMAC_RX_MTU_SIZE, 7013 min(ether_mtu, BCE_MAX_JUMBO_ETHER_MTU) | 7014 BCE_EMAC_RX_MTU_SIZE_JUMBO_ENA); 7015 else 7016 REG_WR(sc, BCE_EMAC_RX_MTU_SIZE, ether_mtu); 7017 7018 /* Program appropriate promiscuous/multicast filtering. */ 7019 bce_set_rx_mode(sc); 7020 7021 if (bce_hdr_split == TRUE) { 7022 /* Init page buffer descriptor chain. */ 7023 bce_init_pg_chain(sc); 7024 } 7025 7026 /* Init RX buffer descriptor chain. */ 7027 bce_init_rx_chain(sc); 7028 7029 /* Init TX buffer descriptor chain. */ 7030 bce_init_tx_chain(sc); 7031 7032 /* Enable host interrupts. */ 7033 bce_enable_intr(sc, 1); 7034 7035 bce_ifmedia_upd_locked(ifp); 7036 7037 /* Let the OS know the driver is up and running. */ 7038 if_setdrvflagbits(ifp, IFF_DRV_RUNNING, 0); 7039 if_setdrvflagbits(ifp, 0, IFF_DRV_OACTIVE); 7040 7041 callout_reset(&sc->bce_tick_callout, hz, bce_tick, sc); 7042 7043bce_init_locked_exit: 7044 DBEXIT(BCE_VERBOSE_RESET); 7045} 7046 7047/****************************************************************************/ 7048/* Initialize the controller just enough so that any management firmware */ 7049/* running on the device will continue to operate correctly. */ 7050/* */ 7051/* Returns: */ 7052/* Nothing. */ 7053/****************************************************************************/ 7054static void 7055bce_mgmt_init_locked(struct bce_softc *sc) 7056{ 7057 if_t ifp; 7058 7059 DBENTER(BCE_VERBOSE_RESET); 7060 7061 BCE_LOCK_ASSERT(sc); 7062 7063 /* Bail out if management firmware is not running. */ 7064 if (!(sc->bce_flags & BCE_MFW_ENABLE_FLAG)) { 7065 DBPRINT(sc, BCE_VERBOSE_SPECIAL, 7066 "No management firmware running...\n"); 7067 goto bce_mgmt_init_locked_exit; 7068 } 7069 7070 ifp = sc->bce_ifp; 7071 7072 /* Enable all critical blocks in the MAC. */ 7073 REG_WR(sc, BCE_MISC_ENABLE_SET_BITS, BCE_MISC_ENABLE_DEFAULT); 7074 REG_RD(sc, BCE_MISC_ENABLE_SET_BITS); 7075 DELAY(20); 7076 7077 bce_ifmedia_upd_locked(ifp); 7078 7079bce_mgmt_init_locked_exit: 7080 DBEXIT(BCE_VERBOSE_RESET); 7081} 7082 7083/****************************************************************************/ 7084/* Handles controller initialization when called from an unlocked routine. */ 7085/* */ 7086/* Returns: */ 7087/* Nothing. */ 7088/****************************************************************************/ 7089static void 7090bce_init(void *xsc) 7091{ 7092 struct bce_softc *sc = xsc; 7093 7094 DBENTER(BCE_VERBOSE_RESET); 7095 7096 BCE_LOCK(sc); 7097 bce_init_locked(sc); 7098 BCE_UNLOCK(sc); 7099 7100 DBEXIT(BCE_VERBOSE_RESET); 7101} 7102 7103/****************************************************************************/ 7104/* Modifies an mbuf for TSO on the hardware. */ 7105/* */ 7106/* Returns: */ 7107/* Pointer to a modified mbuf. */ 7108/****************************************************************************/ 7109static struct mbuf * 7110bce_tso_setup(struct bce_softc *sc, struct mbuf **m_head, u16 *flags) 7111{ 7112 struct mbuf *m; 7113 struct ether_header *eh; 7114 struct ip *ip; 7115 struct tcphdr *th; 7116 u16 etype; 7117 int hdr_len __unused, ip_len __unused, ip_hlen = 0, tcp_hlen = 0; 7118 7119 DBRUN(sc->tso_frames_requested++); 7120 7121 ip_len = 0; 7122 /* Controller may modify mbuf chains. */ 7123 if (M_WRITABLE(*m_head) == 0) { 7124 m = m_dup(*m_head, M_NOWAIT); 7125 m_freem(*m_head); 7126 if (m == NULL) { 7127 sc->mbuf_alloc_failed_count++; 7128 *m_head = NULL; 7129 return (NULL); 7130 } 7131 *m_head = m; 7132 } 7133 7134 /* 7135 * For TSO the controller needs two pieces of info, 7136 * the MSS and the IP+TCP options length. 7137 */ 7138 m = m_pullup(*m_head, sizeof(struct ether_header) + sizeof(struct ip)); 7139 if (m == NULL) { 7140 *m_head = NULL; 7141 return (NULL); 7142 } 7143 eh = mtod(m, struct ether_header *); 7144 etype = ntohs(eh->ether_type); 7145 7146 /* Check for supported TSO Ethernet types (only IPv4 for now) */ 7147 switch (etype) { 7148 case ETHERTYPE_IP: 7149 ip = (struct ip *)(m->m_data + sizeof(struct ether_header)); 7150 /* TSO only supported for TCP protocol. */ 7151 if (ip->ip_p != IPPROTO_TCP) { 7152 BCE_PRINTF("%s(%d): TSO enabled for non-TCP frame!.\n", 7153 __FILE__, __LINE__); 7154 m_freem(*m_head); 7155 *m_head = NULL; 7156 return (NULL); 7157 } 7158 7159 /* Get IP header length in bytes (min 20) */ 7160 ip_hlen = ip->ip_hl << 2; 7161 m = m_pullup(*m_head, sizeof(struct ether_header) + ip_hlen + 7162 sizeof(struct tcphdr)); 7163 if (m == NULL) { 7164 *m_head = NULL; 7165 return (NULL); 7166 } 7167 7168 /* Get the TCP header length in bytes (min 20) */ 7169 ip = (struct ip *)(m->m_data + sizeof(struct ether_header)); 7170 th = (struct tcphdr *)((caddr_t)ip + ip_hlen); 7171 tcp_hlen = (th->th_off << 2); 7172 7173 /* Make sure all IP/TCP options live in the same buffer. */ 7174 m = m_pullup(*m_head, sizeof(struct ether_header)+ ip_hlen + 7175 tcp_hlen); 7176 if (m == NULL) { 7177 *m_head = NULL; 7178 return (NULL); 7179 } 7180 7181 /* Clear IP header length and checksum, will be calc'd by h/w. */ 7182 ip = (struct ip *)(m->m_data + sizeof(struct ether_header)); 7183 ip_len = ip->ip_len; 7184 ip->ip_len = 0; 7185 ip->ip_sum = 0; 7186 break; 7187 case ETHERTYPE_IPV6: 7188 BCE_PRINTF("%s(%d): TSO over IPv6 not supported!.\n", 7189 __FILE__, __LINE__); 7190 m_freem(*m_head); 7191 *m_head = NULL; 7192 return (NULL); 7193 /* NOT REACHED */ 7194 default: 7195 BCE_PRINTF("%s(%d): TSO enabled for unsupported protocol!.\n", 7196 __FILE__, __LINE__); 7197 m_freem(*m_head); 7198 *m_head = NULL; 7199 return (NULL); 7200 } 7201 7202 hdr_len = sizeof(struct ether_header) + ip_hlen + tcp_hlen; 7203 7204 DBPRINT(sc, BCE_EXTREME_SEND, "%s(): hdr_len = %d, e_hlen = %d, " 7205 "ip_hlen = %d, tcp_hlen = %d, ip_len = %d\n", 7206 __FUNCTION__, hdr_len, (int) sizeof(struct ether_header), ip_hlen, 7207 tcp_hlen, ip_len); 7208 7209 /* Set the LSO flag in the TX BD */ 7210 *flags |= TX_BD_FLAGS_SW_LSO; 7211 7212 /* Set the length of IP + TCP options (in 32 bit words) */ 7213 *flags |= (((ip_hlen + tcp_hlen - sizeof(struct ip) - 7214 sizeof(struct tcphdr)) >> 2) << 8); 7215 7216 DBRUN(sc->tso_frames_completed++); 7217 return (*m_head); 7218} 7219 7220/****************************************************************************/ 7221/* Encapsultes an mbuf cluster into the tx_bd chain structure and makes the */ 7222/* memory visible to the controller. */ 7223/* */ 7224/* Returns: */ 7225/* 0 for success, positive value for failure. */ 7226/* Modified: */ 7227/* m_head: May be set to NULL if MBUF is excessively fragmented. */ 7228/****************************************************************************/ 7229static int 7230bce_tx_encap(struct bce_softc *sc, struct mbuf **m_head) 7231{ 7232 bus_dma_segment_t segs[BCE_MAX_SEGMENTS]; 7233 bus_dmamap_t map; 7234 struct tx_bd *txbd = NULL; 7235 struct mbuf *m0; 7236 u16 prod, chain_prod, mss = 0, vlan_tag = 0, flags = 0; 7237 u32 prod_bseq; 7238 7239#ifdef BCE_DEBUG 7240 u16 debug_prod; 7241#endif 7242 7243 int i, error, nsegs, rc = 0; 7244 7245 DBENTER(BCE_VERBOSE_SEND); 7246 7247 /* Make sure we have room in the TX chain. */ 7248 if (sc->used_tx_bd >= sc->max_tx_bd) 7249 goto bce_tx_encap_exit; 7250 7251 /* Transfer any checksum offload flags to the bd. */ 7252 m0 = *m_head; 7253 if (m0->m_pkthdr.csum_flags) { 7254 if (m0->m_pkthdr.csum_flags & CSUM_TSO) { 7255 m0 = bce_tso_setup(sc, m_head, &flags); 7256 if (m0 == NULL) { 7257 DBRUN(sc->tso_frames_failed++); 7258 goto bce_tx_encap_exit; 7259 } 7260 mss = htole16(m0->m_pkthdr.tso_segsz); 7261 } else { 7262 if (m0->m_pkthdr.csum_flags & CSUM_IP) 7263 flags |= TX_BD_FLAGS_IP_CKSUM; 7264 if (m0->m_pkthdr.csum_flags & (CSUM_TCP | CSUM_UDP)) 7265 flags |= TX_BD_FLAGS_TCP_UDP_CKSUM; 7266 } 7267 } 7268 7269 /* Transfer any VLAN tags to the bd. */ 7270 if (m0->m_flags & M_VLANTAG) { 7271 flags |= TX_BD_FLAGS_VLAN_TAG; 7272 vlan_tag = m0->m_pkthdr.ether_vtag; 7273 } 7274 7275 /* Map the mbuf into DMAable memory. */ 7276 prod = sc->tx_prod; 7277 chain_prod = TX_CHAIN_IDX(prod); 7278 map = sc->tx_mbuf_map[chain_prod]; 7279 7280 /* Map the mbuf into our DMA address space. */ 7281 error = bus_dmamap_load_mbuf_sg(sc->tx_mbuf_tag, map, m0, 7282 segs, &nsegs, BUS_DMA_NOWAIT); 7283 7284 /* Check if the DMA mapping was successful */ 7285 if (error == EFBIG) { 7286 sc->mbuf_frag_count++; 7287 7288 /* Try to defrag the mbuf. */ 7289 m0 = m_collapse(*m_head, M_NOWAIT, BCE_MAX_SEGMENTS); 7290 if (m0 == NULL) { 7291 /* Defrag was unsuccessful */ 7292 m_freem(*m_head); 7293 *m_head = NULL; 7294 sc->mbuf_alloc_failed_count++; 7295 rc = ENOBUFS; 7296 goto bce_tx_encap_exit; 7297 } 7298 7299 /* Defrag was successful, try mapping again */ 7300 *m_head = m0; 7301 error = bus_dmamap_load_mbuf_sg(sc->tx_mbuf_tag, 7302 map, m0, segs, &nsegs, BUS_DMA_NOWAIT); 7303 7304 /* Still getting an error after a defrag. */ 7305 if (error == ENOMEM) { 7306 /* Insufficient DMA buffers available. */ 7307 sc->dma_map_addr_tx_failed_count++; 7308 rc = error; 7309 goto bce_tx_encap_exit; 7310 } else if (error != 0) { 7311 /* Release it and return an error. */ 7312 BCE_PRINTF("%s(%d): Unknown error mapping mbuf into " 7313 "TX chain!\n", __FILE__, __LINE__); 7314 m_freem(m0); 7315 *m_head = NULL; 7316 sc->dma_map_addr_tx_failed_count++; 7317 rc = ENOBUFS; 7318 goto bce_tx_encap_exit; 7319 } 7320 } else if (error == ENOMEM) { 7321 /* Insufficient DMA buffers available. */ 7322 sc->dma_map_addr_tx_failed_count++; 7323 rc = error; 7324 goto bce_tx_encap_exit; 7325 } else if (error != 0) { 7326 m_freem(m0); 7327 *m_head = NULL; 7328 sc->dma_map_addr_tx_failed_count++; 7329 rc = error; 7330 goto bce_tx_encap_exit; 7331 } 7332 7333 /* Make sure there's room in the chain */ 7334 if (nsegs > (sc->max_tx_bd - sc->used_tx_bd)) { 7335 bus_dmamap_unload(sc->tx_mbuf_tag, map); 7336 rc = ENOBUFS; 7337 goto bce_tx_encap_exit; 7338 } 7339 7340 /* prod points to an empty tx_bd at this point. */ 7341 prod_bseq = sc->tx_prod_bseq; 7342 7343#ifdef BCE_DEBUG 7344 debug_prod = chain_prod; 7345#endif 7346 7347 DBPRINT(sc, BCE_INFO_SEND, 7348 "%s(start): prod = 0x%04X, chain_prod = 0x%04X, " 7349 "prod_bseq = 0x%08X\n", 7350 __FUNCTION__, prod, chain_prod, prod_bseq); 7351 7352 /* 7353 * Cycle through each mbuf segment that makes up 7354 * the outgoing frame, gathering the mapping info 7355 * for that segment and creating a tx_bd for 7356 * the mbuf. 7357 */ 7358 for (i = 0; i < nsegs ; i++) { 7359 chain_prod = TX_CHAIN_IDX(prod); 7360 txbd= &sc->tx_bd_chain[TX_PAGE(chain_prod)] 7361 [TX_IDX(chain_prod)]; 7362 7363 txbd->tx_bd_haddr_lo = 7364 htole32(BCE_ADDR_LO(segs[i].ds_addr)); 7365 txbd->tx_bd_haddr_hi = 7366 htole32(BCE_ADDR_HI(segs[i].ds_addr)); 7367 txbd->tx_bd_mss_nbytes = htole32(mss << 16) | 7368 htole16(segs[i].ds_len); 7369 txbd->tx_bd_vlan_tag = htole16(vlan_tag); 7370 txbd->tx_bd_flags = htole16(flags); 7371 prod_bseq += segs[i].ds_len; 7372 if (i == 0) 7373 txbd->tx_bd_flags |= htole16(TX_BD_FLAGS_START); 7374 prod = NEXT_TX_BD(prod); 7375 } 7376 7377 /* Set the END flag on the last TX buffer descriptor. */ 7378 txbd->tx_bd_flags |= htole16(TX_BD_FLAGS_END); 7379 7380 DBRUNMSG(BCE_EXTREME_SEND, 7381 bce_dump_tx_chain(sc, debug_prod, nsegs)); 7382 7383 /* 7384 * Ensure that the mbuf pointer for this transmission 7385 * is placed at the array index of the last 7386 * descriptor in this chain. This is done 7387 * because a single map is used for all 7388 * segments of the mbuf and we don't want to 7389 * unload the map before all of the segments 7390 * have been freed. 7391 */ 7392 sc->tx_mbuf_ptr[chain_prod] = m0; 7393 sc->used_tx_bd += nsegs; 7394 7395 /* Update some debug statistic counters */ 7396 DBRUNIF((sc->used_tx_bd > sc->tx_hi_watermark), 7397 sc->tx_hi_watermark = sc->used_tx_bd); 7398 DBRUNIF((sc->used_tx_bd == sc->max_tx_bd), sc->tx_full_count++); 7399 DBRUNIF(sc->debug_tx_mbuf_alloc++); 7400 7401 DBRUNMSG(BCE_EXTREME_SEND, bce_dump_tx_mbuf_chain(sc, chain_prod, 1)); 7402 7403 /* prod points to the next free tx_bd at this point. */ 7404 sc->tx_prod = prod; 7405 sc->tx_prod_bseq = prod_bseq; 7406 7407 /* Tell the chip about the waiting TX frames. */ 7408 REG_WR16(sc, MB_GET_CID_ADDR(TX_CID) + 7409 BCE_L2MQ_TX_HOST_BIDX, sc->tx_prod); 7410 REG_WR(sc, MB_GET_CID_ADDR(TX_CID) + 7411 BCE_L2MQ_TX_HOST_BSEQ, sc->tx_prod_bseq); 7412 7413bce_tx_encap_exit: 7414 DBEXIT(BCE_VERBOSE_SEND); 7415 return(rc); 7416} 7417 7418/****************************************************************************/ 7419/* Main transmit routine when called from another routine with a lock. */ 7420/* */ 7421/* Returns: */ 7422/* Nothing. */ 7423/****************************************************************************/ 7424static void 7425bce_start_locked(if_t ifp) 7426{ 7427 struct bce_softc *sc = if_getsoftc(ifp); 7428 struct mbuf *m_head = NULL; 7429 int count = 0; 7430 u16 tx_prod, tx_chain_prod __unused; 7431 7432 DBENTER(BCE_VERBOSE_SEND | BCE_VERBOSE_CTX); 7433 7434 BCE_LOCK_ASSERT(sc); 7435 7436 /* prod points to the next free tx_bd. */ 7437 tx_prod = sc->tx_prod; 7438 tx_chain_prod = TX_CHAIN_IDX(tx_prod); 7439 7440 DBPRINT(sc, BCE_INFO_SEND, 7441 "%s(enter): tx_prod = 0x%04X, tx_chain_prod = 0x%04X, " 7442 "tx_prod_bseq = 0x%08X\n", 7443 __FUNCTION__, tx_prod, tx_chain_prod, sc->tx_prod_bseq); 7444 7445 /* If there's no link or the transmit queue is empty then just exit. */ 7446 if (sc->bce_link_up == FALSE) { 7447 DBPRINT(sc, BCE_INFO_SEND, "%s(): No link.\n", 7448 __FUNCTION__); 7449 goto bce_start_locked_exit; 7450 } 7451 7452 if (if_sendq_empty(ifp)) { 7453 DBPRINT(sc, BCE_INFO_SEND, "%s(): Transmit queue empty.\n", 7454 __FUNCTION__); 7455 goto bce_start_locked_exit; 7456 } 7457 7458 /* 7459 * Keep adding entries while there is space in the ring. 7460 */ 7461 while (sc->used_tx_bd < sc->max_tx_bd) { 7462 /* Check for any frames to send. */ 7463 m_head = if_dequeue(ifp); 7464 7465 /* Stop when the transmit queue is empty. */ 7466 if (m_head == NULL) 7467 break; 7468 7469 /* 7470 * Pack the data into the transmit ring. If we 7471 * don't have room, place the mbuf back at the 7472 * head of the queue and set the OACTIVE flag 7473 * to wait for the NIC to drain the chain. 7474 */ 7475 if (bce_tx_encap(sc, &m_head)) { 7476 if (m_head != NULL) 7477 if_sendq_prepend(ifp, m_head); 7478 if_setdrvflagbits(ifp, IFF_DRV_OACTIVE, 0); 7479 DBPRINT(sc, BCE_INFO_SEND, 7480 "TX chain is closed for business! Total " 7481 "tx_bd used = %d\n", sc->used_tx_bd); 7482 break; 7483 } 7484 7485 count++; 7486 7487 /* Send a copy of the frame to any BPF listeners. */ 7488 ETHER_BPF_MTAP(ifp, m_head); 7489 } 7490 7491 /* Exit if no packets were dequeued. */ 7492 if (count == 0) { 7493 DBPRINT(sc, BCE_VERBOSE_SEND, "%s(): No packets were " 7494 "dequeued\n", __FUNCTION__); 7495 goto bce_start_locked_exit; 7496 } 7497 7498 DBPRINT(sc, BCE_VERBOSE_SEND, "%s(): Inserted %d frames into " 7499 "send queue.\n", __FUNCTION__, count); 7500 7501 /* Set the tx timeout. */ 7502 sc->watchdog_timer = BCE_TX_TIMEOUT; 7503 7504 DBRUNMSG(BCE_VERBOSE_SEND, bce_dump_ctx(sc, TX_CID)); 7505 DBRUNMSG(BCE_VERBOSE_SEND, bce_dump_mq_regs(sc)); 7506 7507bce_start_locked_exit: 7508 DBEXIT(BCE_VERBOSE_SEND | BCE_VERBOSE_CTX); 7509} 7510 7511/****************************************************************************/ 7512/* Main transmit routine when called from another routine without a lock. */ 7513/* */ 7514/* Returns: */ 7515/* Nothing. */ 7516/****************************************************************************/ 7517static void 7518bce_start(if_t ifp) 7519{ 7520 struct bce_softc *sc = if_getsoftc(ifp); 7521 7522 DBENTER(BCE_VERBOSE_SEND); 7523 7524 BCE_LOCK(sc); 7525 bce_start_locked(ifp); 7526 BCE_UNLOCK(sc); 7527 7528 DBEXIT(BCE_VERBOSE_SEND); 7529} 7530 7531/****************************************************************************/ 7532/* Handles any IOCTL calls from the operating system. */ 7533/* */ 7534/* Returns: */ 7535/* 0 for success, positive value for failure. */ 7536/****************************************************************************/ 7537static int 7538bce_ioctl(if_t ifp, u_long command, caddr_t data) 7539{ 7540 struct bce_softc *sc = if_getsoftc(ifp); 7541 struct ifreq *ifr = (struct ifreq *) data; 7542 struct mii_data *mii; 7543 int mask, error = 0; 7544 7545 DBENTER(BCE_VERBOSE_MISC); 7546 7547 switch(command) { 7548 /* Set the interface MTU. */ 7549 case SIOCSIFMTU: 7550 /* Check that the MTU setting is supported. */ 7551 if ((ifr->ifr_mtu < BCE_MIN_MTU) || 7552 (ifr->ifr_mtu > BCE_MAX_JUMBO_MTU)) { 7553 error = EINVAL; 7554 break; 7555 } 7556 7557 DBPRINT(sc, BCE_INFO_MISC, 7558 "SIOCSIFMTU: Changing MTU from %d to %d\n", 7559 (int) if_getmtu(ifp), (int) ifr->ifr_mtu); 7560 7561 BCE_LOCK(sc); 7562 if_setmtu(ifp, ifr->ifr_mtu); 7563 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) { 7564 if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING); 7565 bce_init_locked(sc); 7566 } 7567 BCE_UNLOCK(sc); 7568 break; 7569 7570 /* Set interface flags. */ 7571 case SIOCSIFFLAGS: 7572 DBPRINT(sc, BCE_VERBOSE_SPECIAL, "Received SIOCSIFFLAGS\n"); 7573 7574 BCE_LOCK(sc); 7575 7576 /* Check if the interface is up. */ 7577 if (if_getflags(ifp) & IFF_UP) { 7578 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) { 7579 /* Change promiscuous/multicast flags as necessary. */ 7580 bce_set_rx_mode(sc); 7581 } else { 7582 /* Start the HW */ 7583 bce_init_locked(sc); 7584 } 7585 } else { 7586 /* The interface is down, check if driver is running. */ 7587 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) { 7588 bce_stop(sc); 7589 7590 /* If MFW is running, restart the controller a bit. */ 7591 if (sc->bce_flags & BCE_MFW_ENABLE_FLAG) { 7592 bce_reset(sc, BCE_DRV_MSG_CODE_RESET); 7593 bce_chipinit(sc); 7594 bce_mgmt_init_locked(sc); 7595 } 7596 } 7597 } 7598 7599 BCE_UNLOCK(sc); 7600 break; 7601 7602 /* Add/Delete multicast address */ 7603 case SIOCADDMULTI: 7604 case SIOCDELMULTI: 7605 DBPRINT(sc, BCE_VERBOSE_MISC, 7606 "Received SIOCADDMULTI/SIOCDELMULTI\n"); 7607 7608 BCE_LOCK(sc); 7609 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) 7610 bce_set_rx_mode(sc); 7611 BCE_UNLOCK(sc); 7612 7613 break; 7614 7615 /* Set/Get Interface media */ 7616 case SIOCSIFMEDIA: 7617 case SIOCGIFMEDIA: 7618 DBPRINT(sc, BCE_VERBOSE_MISC, 7619 "Received SIOCSIFMEDIA/SIOCGIFMEDIA\n"); 7620 if ((sc->bce_phy_flags & BCE_PHY_REMOTE_CAP_FLAG) != 0) 7621 error = ifmedia_ioctl(ifp, ifr, &sc->bce_ifmedia, 7622 command); 7623 else { 7624 mii = device_get_softc(sc->bce_miibus); 7625 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, 7626 command); 7627 } 7628 break; 7629 7630 /* Set interface capability */ 7631 case SIOCSIFCAP: 7632 mask = ifr->ifr_reqcap ^ if_getcapenable(ifp); 7633 DBPRINT(sc, BCE_INFO_MISC, 7634 "Received SIOCSIFCAP = 0x%08X\n", (u32) mask); 7635 7636 /* Toggle the TX checksum capabilities enable flag. */ 7637 if (mask & IFCAP_TXCSUM && 7638 if_getcapabilities(ifp) & IFCAP_TXCSUM) { 7639 if_togglecapenable(ifp, IFCAP_TXCSUM); 7640 if (IFCAP_TXCSUM & if_getcapenable(ifp)) 7641 if_sethwassistbits(ifp, BCE_IF_HWASSIST, 0); 7642 else 7643 if_sethwassistbits(ifp, 0, BCE_IF_HWASSIST); 7644 } 7645 7646 /* Toggle the RX checksum capabilities enable flag. */ 7647 if (mask & IFCAP_RXCSUM && 7648 if_getcapabilities(ifp) & IFCAP_RXCSUM) 7649 if_togglecapenable(ifp, IFCAP_RXCSUM); 7650 7651 /* Toggle the TSO capabilities enable flag. */ 7652 if (bce_tso_enable && (mask & IFCAP_TSO4) && 7653 if_getcapabilities(ifp) & IFCAP_TSO4) { 7654 if_togglecapenable(ifp, IFCAP_TSO4); 7655 if (IFCAP_TSO4 & if_getcapenable(ifp)) 7656 if_sethwassistbits(ifp, CSUM_TSO, 0); 7657 else 7658 if_sethwassistbits(ifp, 0, CSUM_TSO); 7659 } 7660 7661 if (mask & IFCAP_VLAN_HWCSUM && 7662 if_getcapabilities(ifp) & IFCAP_VLAN_HWCSUM) 7663 if_togglecapenable(ifp, IFCAP_VLAN_HWCSUM); 7664 7665 if ((mask & IFCAP_VLAN_HWTSO) != 0 && 7666 (if_getcapabilities(ifp) & IFCAP_VLAN_HWTSO) != 0) 7667 if_togglecapenable(ifp, IFCAP_VLAN_HWTSO); 7668 /* 7669 * Don't actually disable VLAN tag stripping as 7670 * management firmware (ASF/IPMI/UMP) requires the 7671 * feature. If VLAN tag stripping is disabled driver 7672 * will manually reconstruct the VLAN frame by 7673 * appending stripped VLAN tag. 7674 */ 7675 if ((mask & IFCAP_VLAN_HWTAGGING) != 0 && 7676 (if_getcapabilities(ifp) & IFCAP_VLAN_HWTAGGING)) { 7677 if_togglecapenable(ifp, IFCAP_VLAN_HWTAGGING); 7678 if ((if_getcapenable(ifp) & IFCAP_VLAN_HWTAGGING) 7679 == 0) 7680 if_setcapenablebit(ifp, 0, IFCAP_VLAN_HWTSO); 7681 } 7682 VLAN_CAPABILITIES(ifp); 7683 break; 7684 default: 7685 /* We don't know how to handle the IOCTL, pass it on. */ 7686 error = ether_ioctl(ifp, command, data); 7687 break; 7688 } 7689 7690 DBEXIT(BCE_VERBOSE_MISC); 7691 return(error); 7692} 7693 7694/****************************************************************************/ 7695/* Transmit timeout handler. */ 7696/* */ 7697/* Returns: */ 7698/* Nothing. */ 7699/****************************************************************************/ 7700static void 7701bce_watchdog(struct bce_softc *sc) 7702{ 7703 uint32_t status; 7704 7705 DBENTER(BCE_EXTREME_SEND); 7706 7707 BCE_LOCK_ASSERT(sc); 7708 7709 status = 0; 7710 /* If the watchdog timer hasn't expired then just exit. */ 7711 if (sc->watchdog_timer == 0 || --sc->watchdog_timer) 7712 goto bce_watchdog_exit; 7713 7714 status = REG_RD(sc, BCE_EMAC_RX_STATUS); 7715 /* If pause frames are active then don't reset the hardware. */ 7716 if ((sc->bce_flags & BCE_USING_RX_FLOW_CONTROL) != 0) { 7717 if ((status & BCE_EMAC_RX_STATUS_FFED) != 0) { 7718 /* 7719 * If link partner has us in XOFF state then wait for 7720 * the condition to clear. 7721 */ 7722 sc->watchdog_timer = BCE_TX_TIMEOUT; 7723 goto bce_watchdog_exit; 7724 } else if ((status & BCE_EMAC_RX_STATUS_FF_RECEIVED) != 0 && 7725 (status & BCE_EMAC_RX_STATUS_N_RECEIVED) != 0) { 7726 /* 7727 * If we're not currently XOFF'ed but have recently 7728 * been XOFF'd/XON'd then assume that's delaying TX 7729 * this time around. 7730 */ 7731 sc->watchdog_timer = BCE_TX_TIMEOUT; 7732 goto bce_watchdog_exit; 7733 } 7734 /* 7735 * Any other condition is unexpected and the controller 7736 * should be reset. 7737 */ 7738 } 7739 7740 BCE_PRINTF("%s(%d): Watchdog timeout occurred, resetting!\n", 7741 __FILE__, __LINE__); 7742 7743 DBRUNMSG(BCE_INFO, 7744 bce_dump_driver_state(sc); 7745 bce_dump_status_block(sc); 7746 bce_dump_stats_block(sc); 7747 bce_dump_ftqs(sc); 7748 bce_dump_txp_state(sc, 0); 7749 bce_dump_rxp_state(sc, 0); 7750 bce_dump_tpat_state(sc, 0); 7751 bce_dump_cp_state(sc, 0); 7752 bce_dump_com_state(sc, 0)); 7753 7754 DBRUN(bce_breakpoint(sc)); 7755 7756 if_setdrvflagbits(sc->bce_ifp, 0, IFF_DRV_RUNNING); 7757 7758 bce_init_locked(sc); 7759 sc->watchdog_timeouts++; 7760 7761bce_watchdog_exit: 7762 REG_WR(sc, BCE_EMAC_RX_STATUS, status); 7763 DBEXIT(BCE_EXTREME_SEND); 7764} 7765 7766/* 7767 * Interrupt handler. 7768 */ 7769/****************************************************************************/ 7770/* Main interrupt entry point. Verifies that the controller generated the */ 7771/* interrupt and then calls a separate routine for handle the various */ 7772/* interrupt causes (PHY, TX, RX). */ 7773/* */ 7774/* Returns: */ 7775/* Nothing. */ 7776/****************************************************************************/ 7777static void 7778bce_intr(void *xsc) 7779{ 7780 struct bce_softc *sc; 7781 if_t ifp; 7782 u32 status_attn_bits; 7783 u16 hw_rx_cons, hw_tx_cons; 7784 7785 sc = xsc; 7786 ifp = sc->bce_ifp; 7787 7788 DBENTER(BCE_VERBOSE_SEND | BCE_VERBOSE_RECV | BCE_VERBOSE_INTR); 7789 DBRUNMSG(BCE_VERBOSE_INTR, bce_dump_status_block(sc)); 7790 DBRUNMSG(BCE_VERBOSE_INTR, bce_dump_stats_block(sc)); 7791 7792 BCE_LOCK(sc); 7793 7794 DBRUN(sc->interrupts_generated++); 7795 7796 /* Synchnorize before we read from interface's status block */ 7797 bus_dmamap_sync(sc->status_tag, sc->status_map, BUS_DMASYNC_POSTREAD); 7798 7799 /* 7800 * If the hardware status block index matches the last value read 7801 * by the driver and we haven't asserted our interrupt then there's 7802 * nothing to do. This may only happen in case of INTx due to the 7803 * interrupt arriving at the CPU before the status block is updated. 7804 */ 7805 if ((sc->bce_flags & (BCE_USING_MSI_FLAG | BCE_USING_MSIX_FLAG)) == 0 && 7806 sc->status_block->status_idx == sc->last_status_idx && 7807 (REG_RD(sc, BCE_PCICFG_MISC_STATUS) & 7808 BCE_PCICFG_MISC_STATUS_INTA_VALUE)) { 7809 DBPRINT(sc, BCE_VERBOSE_INTR, "%s(): Spurious interrupt.\n", 7810 __FUNCTION__); 7811 goto bce_intr_exit; 7812 } 7813 7814 /* Ack the interrupt and stop others from occurring. */ 7815 REG_WR(sc, BCE_PCICFG_INT_ACK_CMD, 7816 BCE_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM | 7817 BCE_PCICFG_INT_ACK_CMD_MASK_INT); 7818 7819 /* Check if the hardware has finished any work. */ 7820 hw_rx_cons = bce_get_hw_rx_cons(sc); 7821 hw_tx_cons = bce_get_hw_tx_cons(sc); 7822 7823 /* Keep processing data as long as there is work to do. */ 7824 for (;;) { 7825 status_attn_bits = sc->status_block->status_attn_bits; 7826 7827 DBRUNIF(DB_RANDOMTRUE(unexpected_attention_sim_control), 7828 BCE_PRINTF("Simulating unexpected status attention " 7829 "bit set."); 7830 sc->unexpected_attention_sim_count++; 7831 status_attn_bits = status_attn_bits | 7832 STATUS_ATTN_BITS_PARITY_ERROR); 7833 7834 /* Was it a link change interrupt? */ 7835 if ((status_attn_bits & STATUS_ATTN_BITS_LINK_STATE) != 7836 (sc->status_block->status_attn_bits_ack & 7837 STATUS_ATTN_BITS_LINK_STATE)) { 7838 bce_phy_intr(sc); 7839 7840 /* Clear transient updates during link state change. */ 7841 REG_WR(sc, BCE_HC_COMMAND, sc->hc_command | 7842 BCE_HC_COMMAND_COAL_NOW_WO_INT); 7843 REG_RD(sc, BCE_HC_COMMAND); 7844 } 7845 7846 /* If any other attention is asserted, the chip is toast. */ 7847 if (((status_attn_bits & ~STATUS_ATTN_BITS_LINK_STATE) != 7848 (sc->status_block->status_attn_bits_ack & 7849 ~STATUS_ATTN_BITS_LINK_STATE))) { 7850 sc->unexpected_attention_count++; 7851 7852 BCE_PRINTF("%s(%d): Fatal attention detected: " 7853 "0x%08X\n", __FILE__, __LINE__, 7854 sc->status_block->status_attn_bits); 7855 7856 DBRUNMSG(BCE_FATAL, 7857 if (unexpected_attention_sim_control == 0) 7858 bce_breakpoint(sc)); 7859 7860 bce_init_locked(sc); 7861 goto bce_intr_exit; 7862 } 7863 7864 /* Check for any completed RX frames. */ 7865 if (hw_rx_cons != sc->hw_rx_cons) 7866 bce_rx_intr(sc); 7867 7868 /* Check for any completed TX frames. */ 7869 if (hw_tx_cons != sc->hw_tx_cons) 7870 bce_tx_intr(sc); 7871 7872 /* Save status block index value for the next interrupt. */ 7873 sc->last_status_idx = sc->status_block->status_idx; 7874 7875 /* 7876 * Prevent speculative reads from getting 7877 * ahead of the status block. 7878 */ 7879 bus_space_barrier(sc->bce_btag, sc->bce_bhandle, 0, 0, 7880 BUS_SPACE_BARRIER_READ); 7881 7882 /* 7883 * If there's no work left then exit the 7884 * interrupt service routine. 7885 */ 7886 hw_rx_cons = bce_get_hw_rx_cons(sc); 7887 hw_tx_cons = bce_get_hw_tx_cons(sc); 7888 7889 if ((hw_rx_cons == sc->hw_rx_cons) && 7890 (hw_tx_cons == sc->hw_tx_cons)) 7891 break; 7892 } 7893 7894 bus_dmamap_sync(sc->status_tag, sc->status_map, BUS_DMASYNC_PREREAD); 7895 7896 /* Re-enable interrupts. */ 7897 bce_enable_intr(sc, 0); 7898 7899 /* Handle any frames that arrived while handling the interrupt. */ 7900 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING && 7901 !if_sendq_empty(ifp)) 7902 bce_start_locked(ifp); 7903 7904bce_intr_exit: 7905 BCE_UNLOCK(sc); 7906 7907 DBEXIT(BCE_VERBOSE_SEND | BCE_VERBOSE_RECV | BCE_VERBOSE_INTR); 7908} 7909 7910/****************************************************************************/ 7911/* Programs the various packet receive modes (broadcast and multicast). */ 7912/* */ 7913/* Returns: */ 7914/* Nothing. */ 7915/****************************************************************************/ 7916static u_int 7917bce_hash_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt) 7918{ 7919 u32 *hashes = arg; 7920 int h; 7921 7922 h = ether_crc32_le(LLADDR(sdl), ETHER_ADDR_LEN) & 0xFF; 7923 hashes[(h & 0xE0) >> 5] |= 1 << (h & 0x1F); 7924 7925 return (1); 7926} 7927 7928static void 7929bce_set_rx_mode(struct bce_softc *sc) 7930{ 7931 if_t ifp; 7932 u32 hashes[NUM_MC_HASH_REGISTERS] = { 0, 0, 0, 0, 0, 0, 0, 0 }; 7933 u32 rx_mode, sort_mode; 7934 int i; 7935 7936 DBENTER(BCE_VERBOSE_MISC); 7937 7938 BCE_LOCK_ASSERT(sc); 7939 7940 ifp = sc->bce_ifp; 7941 7942 /* Initialize receive mode default settings. */ 7943 rx_mode = sc->rx_mode & ~(BCE_EMAC_RX_MODE_PROMISCUOUS | 7944 BCE_EMAC_RX_MODE_KEEP_VLAN_TAG); 7945 sort_mode = 1 | BCE_RPM_SORT_USER0_BC_EN; 7946 7947 /* 7948 * ASF/IPMI/UMP firmware requires that VLAN tag stripping 7949 * be enbled. 7950 */ 7951 if (!(BCE_IF_CAPABILITIES & IFCAP_VLAN_HWTAGGING) && 7952 (!(sc->bce_flags & BCE_MFW_ENABLE_FLAG))) 7953 rx_mode |= BCE_EMAC_RX_MODE_KEEP_VLAN_TAG; 7954 7955 /* 7956 * Check for promiscuous, all multicast, or selected 7957 * multicast address filtering. 7958 */ 7959 if (if_getflags(ifp) & IFF_PROMISC) { 7960 DBPRINT(sc, BCE_INFO_MISC, "Enabling promiscuous mode.\n"); 7961 7962 /* Enable promiscuous mode. */ 7963 rx_mode |= BCE_EMAC_RX_MODE_PROMISCUOUS; 7964 sort_mode |= BCE_RPM_SORT_USER0_PROM_EN; 7965 } else if (if_getflags(ifp) & IFF_ALLMULTI) { 7966 DBPRINT(sc, BCE_INFO_MISC, "Enabling all multicast mode.\n"); 7967 7968 /* Enable all multicast addresses. */ 7969 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) { 7970 REG_WR(sc, BCE_EMAC_MULTICAST_HASH0 + (i * 4), 7971 0xffffffff); 7972 } 7973 sort_mode |= BCE_RPM_SORT_USER0_MC_EN; 7974 } else { 7975 /* Accept one or more multicast(s). */ 7976 DBPRINT(sc, BCE_INFO_MISC, "Enabling selective multicast mode.\n"); 7977 if_foreach_llmaddr(ifp, bce_hash_maddr, hashes); 7978 7979 for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) 7980 REG_WR(sc, BCE_EMAC_MULTICAST_HASH0 + (i * 4), hashes[i]); 7981 7982 sort_mode |= BCE_RPM_SORT_USER0_MC_HSH_EN; 7983 } 7984 7985 /* Only make changes if the recive mode has actually changed. */ 7986 if (rx_mode != sc->rx_mode) { 7987 DBPRINT(sc, BCE_VERBOSE_MISC, "Enabling new receive mode: " 7988 "0x%08X\n", rx_mode); 7989 7990 sc->rx_mode = rx_mode; 7991 REG_WR(sc, BCE_EMAC_RX_MODE, rx_mode); 7992 } 7993 7994 /* Disable and clear the existing sort before enabling a new sort. */ 7995 REG_WR(sc, BCE_RPM_SORT_USER0, 0x0); 7996 REG_WR(sc, BCE_RPM_SORT_USER0, sort_mode); 7997 REG_WR(sc, BCE_RPM_SORT_USER0, sort_mode | BCE_RPM_SORT_USER0_ENA); 7998 7999 DBEXIT(BCE_VERBOSE_MISC); 8000} 8001 8002/****************************************************************************/ 8003/* Called periodically to updates statistics from the controllers */ 8004/* statistics block. */ 8005/* */ 8006/* Returns: */ 8007/* Nothing. */ 8008/****************************************************************************/ 8009static void 8010bce_stats_update(struct bce_softc *sc) 8011{ 8012 struct statistics_block *stats; 8013 8014 DBENTER(BCE_EXTREME_MISC); 8015 8016 bus_dmamap_sync(sc->stats_tag, sc->stats_map, BUS_DMASYNC_POSTREAD); 8017 8018 stats = (struct statistics_block *) sc->stats_block; 8019 8020 /* 8021 * Update the sysctl statistics from the 8022 * hardware statistics. 8023 */ 8024 sc->stat_IfHCInOctets = 8025 ((u64) stats->stat_IfHCInOctets_hi << 32) + 8026 (u64) stats->stat_IfHCInOctets_lo; 8027 8028 sc->stat_IfHCInBadOctets = 8029 ((u64) stats->stat_IfHCInBadOctets_hi << 32) + 8030 (u64) stats->stat_IfHCInBadOctets_lo; 8031 8032 sc->stat_IfHCOutOctets = 8033 ((u64) stats->stat_IfHCOutOctets_hi << 32) + 8034 (u64) stats->stat_IfHCOutOctets_lo; 8035 8036 sc->stat_IfHCOutBadOctets = 8037 ((u64) stats->stat_IfHCOutBadOctets_hi << 32) + 8038 (u64) stats->stat_IfHCOutBadOctets_lo; 8039 8040 sc->stat_IfHCInUcastPkts = 8041 ((u64) stats->stat_IfHCInUcastPkts_hi << 32) + 8042 (u64) stats->stat_IfHCInUcastPkts_lo; 8043 8044 sc->stat_IfHCInMulticastPkts = 8045 ((u64) stats->stat_IfHCInMulticastPkts_hi << 32) + 8046 (u64) stats->stat_IfHCInMulticastPkts_lo; 8047 8048 sc->stat_IfHCInBroadcastPkts = 8049 ((u64) stats->stat_IfHCInBroadcastPkts_hi << 32) + 8050 (u64) stats->stat_IfHCInBroadcastPkts_lo; 8051 8052 sc->stat_IfHCOutUcastPkts = 8053 ((u64) stats->stat_IfHCOutUcastPkts_hi << 32) + 8054 (u64) stats->stat_IfHCOutUcastPkts_lo; 8055 8056 sc->stat_IfHCOutMulticastPkts = 8057 ((u64) stats->stat_IfHCOutMulticastPkts_hi << 32) + 8058 (u64) stats->stat_IfHCOutMulticastPkts_lo; 8059 8060 sc->stat_IfHCOutBroadcastPkts = 8061 ((u64) stats->stat_IfHCOutBroadcastPkts_hi << 32) + 8062 (u64) stats->stat_IfHCOutBroadcastPkts_lo; 8063 8064 /* ToDo: Preserve counters beyond 32 bits? */ 8065 /* ToDo: Read the statistics from auto-clear regs? */ 8066 8067 sc->stat_emac_tx_stat_dot3statsinternalmactransmiterrors = 8068 stats->stat_emac_tx_stat_dot3statsinternalmactransmiterrors; 8069 8070 sc->stat_Dot3StatsCarrierSenseErrors = 8071 stats->stat_Dot3StatsCarrierSenseErrors; 8072 8073 sc->stat_Dot3StatsFCSErrors = 8074 stats->stat_Dot3StatsFCSErrors; 8075 8076 sc->stat_Dot3StatsAlignmentErrors = 8077 stats->stat_Dot3StatsAlignmentErrors; 8078 8079 sc->stat_Dot3StatsSingleCollisionFrames = 8080 stats->stat_Dot3StatsSingleCollisionFrames; 8081 8082 sc->stat_Dot3StatsMultipleCollisionFrames = 8083 stats->stat_Dot3StatsMultipleCollisionFrames; 8084 8085 sc->stat_Dot3StatsDeferredTransmissions = 8086 stats->stat_Dot3StatsDeferredTransmissions; 8087 8088 sc->stat_Dot3StatsExcessiveCollisions = 8089 stats->stat_Dot3StatsExcessiveCollisions; 8090 8091 sc->stat_Dot3StatsLateCollisions = 8092 stats->stat_Dot3StatsLateCollisions; 8093 8094 sc->stat_EtherStatsCollisions = 8095 stats->stat_EtherStatsCollisions; 8096 8097 sc->stat_EtherStatsFragments = 8098 stats->stat_EtherStatsFragments; 8099 8100 sc->stat_EtherStatsJabbers = 8101 stats->stat_EtherStatsJabbers; 8102 8103 sc->stat_EtherStatsUndersizePkts = 8104 stats->stat_EtherStatsUndersizePkts; 8105 8106 sc->stat_EtherStatsOversizePkts = 8107 stats->stat_EtherStatsOversizePkts; 8108 8109 sc->stat_EtherStatsPktsRx64Octets = 8110 stats->stat_EtherStatsPktsRx64Octets; 8111 8112 sc->stat_EtherStatsPktsRx65Octetsto127Octets = 8113 stats->stat_EtherStatsPktsRx65Octetsto127Octets; 8114 8115 sc->stat_EtherStatsPktsRx128Octetsto255Octets = 8116 stats->stat_EtherStatsPktsRx128Octetsto255Octets; 8117 8118 sc->stat_EtherStatsPktsRx256Octetsto511Octets = 8119 stats->stat_EtherStatsPktsRx256Octetsto511Octets; 8120 8121 sc->stat_EtherStatsPktsRx512Octetsto1023Octets = 8122 stats->stat_EtherStatsPktsRx512Octetsto1023Octets; 8123 8124 sc->stat_EtherStatsPktsRx1024Octetsto1522Octets = 8125 stats->stat_EtherStatsPktsRx1024Octetsto1522Octets; 8126 8127 sc->stat_EtherStatsPktsRx1523Octetsto9022Octets = 8128 stats->stat_EtherStatsPktsRx1523Octetsto9022Octets; 8129 8130 sc->stat_EtherStatsPktsTx64Octets = 8131 stats->stat_EtherStatsPktsTx64Octets; 8132 8133 sc->stat_EtherStatsPktsTx65Octetsto127Octets = 8134 stats->stat_EtherStatsPktsTx65Octetsto127Octets; 8135 8136 sc->stat_EtherStatsPktsTx128Octetsto255Octets = 8137 stats->stat_EtherStatsPktsTx128Octetsto255Octets; 8138 8139 sc->stat_EtherStatsPktsTx256Octetsto511Octets = 8140 stats->stat_EtherStatsPktsTx256Octetsto511Octets; 8141 8142 sc->stat_EtherStatsPktsTx512Octetsto1023Octets = 8143 stats->stat_EtherStatsPktsTx512Octetsto1023Octets; 8144 8145 sc->stat_EtherStatsPktsTx1024Octetsto1522Octets = 8146 stats->stat_EtherStatsPktsTx1024Octetsto1522Octets; 8147 8148 sc->stat_EtherStatsPktsTx1523Octetsto9022Octets = 8149 stats->stat_EtherStatsPktsTx1523Octetsto9022Octets; 8150 8151 sc->stat_XonPauseFramesReceived = 8152 stats->stat_XonPauseFramesReceived; 8153 8154 sc->stat_XoffPauseFramesReceived = 8155 stats->stat_XoffPauseFramesReceived; 8156 8157 sc->stat_OutXonSent = 8158 stats->stat_OutXonSent; 8159 8160 sc->stat_OutXoffSent = 8161 stats->stat_OutXoffSent; 8162 8163 sc->stat_FlowControlDone = 8164 stats->stat_FlowControlDone; 8165 8166 sc->stat_MacControlFramesReceived = 8167 stats->stat_MacControlFramesReceived; 8168 8169 sc->stat_XoffStateEntered = 8170 stats->stat_XoffStateEntered; 8171 8172 sc->stat_IfInFramesL2FilterDiscards = 8173 stats->stat_IfInFramesL2FilterDiscards; 8174 8175 sc->stat_IfInRuleCheckerDiscards = 8176 stats->stat_IfInRuleCheckerDiscards; 8177 8178 sc->stat_IfInFTQDiscards = 8179 stats->stat_IfInFTQDiscards; 8180 8181 sc->stat_IfInMBUFDiscards = 8182 stats->stat_IfInMBUFDiscards; 8183 8184 sc->stat_IfInRuleCheckerP4Hit = 8185 stats->stat_IfInRuleCheckerP4Hit; 8186 8187 sc->stat_CatchupInRuleCheckerDiscards = 8188 stats->stat_CatchupInRuleCheckerDiscards; 8189 8190 sc->stat_CatchupInFTQDiscards = 8191 stats->stat_CatchupInFTQDiscards; 8192 8193 sc->stat_CatchupInMBUFDiscards = 8194 stats->stat_CatchupInMBUFDiscards; 8195 8196 sc->stat_CatchupInRuleCheckerP4Hit = 8197 stats->stat_CatchupInRuleCheckerP4Hit; 8198 8199 sc->com_no_buffers = REG_RD_IND(sc, 0x120084); 8200 8201 /* ToDo: Add additional statistics? */ 8202 8203 DBEXIT(BCE_EXTREME_MISC); 8204} 8205 8206static uint64_t 8207bce_get_counter(if_t ifp, ift_counter cnt) 8208{ 8209 struct bce_softc *sc; 8210 uint64_t rv; 8211 8212 sc = if_getsoftc(ifp); 8213 8214 switch (cnt) { 8215 case IFCOUNTER_COLLISIONS: 8216 return (sc->stat_EtherStatsCollisions); 8217 case IFCOUNTER_IERRORS: 8218 return (sc->stat_EtherStatsUndersizePkts + 8219 sc->stat_EtherStatsOversizePkts + 8220 sc->stat_IfInMBUFDiscards + 8221 sc->stat_Dot3StatsAlignmentErrors + 8222 sc->stat_Dot3StatsFCSErrors + 8223 sc->stat_IfInRuleCheckerDiscards + 8224 sc->stat_IfInFTQDiscards + 8225 sc->l2fhdr_error_count + 8226 sc->com_no_buffers); 8227 case IFCOUNTER_OERRORS: 8228 rv = sc->stat_Dot3StatsExcessiveCollisions + 8229 sc->stat_emac_tx_stat_dot3statsinternalmactransmiterrors + 8230 sc->stat_Dot3StatsLateCollisions + 8231 sc->watchdog_timeouts; 8232 /* 8233 * Certain controllers don't report 8234 * carrier sense errors correctly. 8235 * See errata E11_5708CA0_1165. 8236 */ 8237 if (!(BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5706) && 8238 !(BCE_CHIP_ID(sc) == BCE_CHIP_ID_5708_A0)) 8239 rv += sc->stat_Dot3StatsCarrierSenseErrors; 8240 return (rv); 8241 default: 8242 return (if_get_counter_default(ifp, cnt)); 8243 } 8244} 8245 8246/****************************************************************************/ 8247/* Periodic function to notify the bootcode that the driver is still */ 8248/* present. */ 8249/* */ 8250/* Returns: */ 8251/* Nothing. */ 8252/****************************************************************************/ 8253static void 8254bce_pulse(void *xsc) 8255{ 8256 struct bce_softc *sc = xsc; 8257 u32 msg; 8258 8259 DBENTER(BCE_EXTREME_MISC); 8260 8261 BCE_LOCK_ASSERT(sc); 8262 8263 /* Tell the firmware that the driver is still running. */ 8264 msg = (u32) ++sc->bce_fw_drv_pulse_wr_seq; 8265 bce_shmem_wr(sc, BCE_DRV_PULSE_MB, msg); 8266 8267 /* Update the bootcode condition. */ 8268 sc->bc_state = bce_shmem_rd(sc, BCE_BC_STATE_CONDITION); 8269 8270 /* Report whether the bootcode still knows the driver is running. */ 8271 if (bce_verbose || bootverbose) { 8272 if (sc->bce_drv_cardiac_arrest == FALSE) { 8273 if (!(sc->bc_state & BCE_CONDITION_DRV_PRESENT)) { 8274 sc->bce_drv_cardiac_arrest = TRUE; 8275 BCE_PRINTF("%s(): Warning: bootcode " 8276 "thinks driver is absent! " 8277 "(bc_state = 0x%08X)\n", 8278 __FUNCTION__, sc->bc_state); 8279 } 8280 } else { 8281 /* 8282 * Not supported by all bootcode versions. 8283 * (v5.0.11+ and v5.2.1+) Older bootcode 8284 * will require the driver to reset the 8285 * controller to clear this condition. 8286 */ 8287 if (sc->bc_state & BCE_CONDITION_DRV_PRESENT) { 8288 sc->bce_drv_cardiac_arrest = FALSE; 8289 BCE_PRINTF("%s(): Bootcode found the " 8290 "driver pulse! (bc_state = 0x%08X)\n", 8291 __FUNCTION__, sc->bc_state); 8292 } 8293 } 8294 } 8295 8296 /* Schedule the next pulse. */ 8297 callout_reset(&sc->bce_pulse_callout, hz, bce_pulse, sc); 8298 8299 DBEXIT(BCE_EXTREME_MISC); 8300} 8301 8302/****************************************************************************/ 8303/* Periodic function to perform maintenance tasks. */ 8304/* */ 8305/* Returns: */ 8306/* Nothing. */ 8307/****************************************************************************/ 8308static void 8309bce_tick(void *xsc) 8310{ 8311 struct bce_softc *sc = xsc; 8312 struct mii_data *mii; 8313 if_t ifp; 8314 struct ifmediareq ifmr; 8315 8316 ifp = sc->bce_ifp; 8317 8318 DBENTER(BCE_EXTREME_MISC); 8319 8320 BCE_LOCK_ASSERT(sc); 8321 8322 /* Schedule the next tick. */ 8323 callout_reset(&sc->bce_tick_callout, hz, bce_tick, sc); 8324 8325 /* Update the statistics from the hardware statistics block. */ 8326 bce_stats_update(sc); 8327 8328 /* Ensure page and RX chains get refilled in low-memory situations. */ 8329 if (bce_hdr_split == TRUE) 8330 bce_fill_pg_chain(sc); 8331 bce_fill_rx_chain(sc); 8332 8333 /* Check that chip hasn't hung. */ 8334 bce_watchdog(sc); 8335 8336 /* If link is up already up then we're done. */ 8337 if (sc->bce_link_up == TRUE) 8338 goto bce_tick_exit; 8339 8340 /* Link is down. Check what the PHY's doing. */ 8341 if ((sc->bce_phy_flags & BCE_PHY_REMOTE_CAP_FLAG) != 0) { 8342 bzero(&ifmr, sizeof(ifmr)); 8343 bce_ifmedia_sts_rphy(sc, &ifmr); 8344 if ((ifmr.ifm_status & (IFM_ACTIVE | IFM_AVALID)) == 8345 (IFM_ACTIVE | IFM_AVALID)) { 8346 sc->bce_link_up = TRUE; 8347 bce_miibus_statchg(sc->bce_dev); 8348 } 8349 } else { 8350 mii = device_get_softc(sc->bce_miibus); 8351 mii_tick(mii); 8352 /* Check if the link has come up. */ 8353 if ((mii->mii_media_status & IFM_ACTIVE) && 8354 (IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE)) { 8355 DBPRINT(sc, BCE_VERBOSE_MISC, "%s(): Link up!\n", 8356 __FUNCTION__); 8357 sc->bce_link_up = TRUE; 8358 if ((IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_T || 8359 IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_SX || 8360 IFM_SUBTYPE(mii->mii_media_active) == IFM_2500_SX) && 8361 (bce_verbose || bootverbose)) 8362 BCE_PRINTF("Gigabit link up!\n"); 8363 } 8364 } 8365 if (sc->bce_link_up == TRUE) { 8366 /* Now that link is up, handle any outstanding TX traffic. */ 8367 if (!if_sendq_empty(ifp)) { 8368 DBPRINT(sc, BCE_VERBOSE_MISC, "%s(): Found " 8369 "pending TX traffic.\n", __FUNCTION__); 8370 bce_start_locked(ifp); 8371 } 8372 } 8373 8374bce_tick_exit: 8375 DBEXIT(BCE_EXTREME_MISC); 8376} 8377 8378static void 8379bce_fw_cap_init(struct bce_softc *sc) 8380{ 8381 u32 ack, cap, link; 8382 8383 ack = 0; 8384 cap = bce_shmem_rd(sc, BCE_FW_CAP_MB); 8385 if ((cap & BCE_FW_CAP_SIGNATURE_MAGIC_MASK) != 8386 BCE_FW_CAP_SIGNATURE_MAGIC) 8387 return; 8388 if ((cap & (BCE_FW_CAP_MFW_KEEP_VLAN | BCE_FW_CAP_BC_KEEP_VLAN)) == 8389 (BCE_FW_CAP_MFW_KEEP_VLAN | BCE_FW_CAP_BC_KEEP_VLAN)) 8390 ack |= BCE_DRV_ACK_CAP_SIGNATURE_MAGIC | 8391 BCE_FW_CAP_MFW_KEEP_VLAN | BCE_FW_CAP_BC_KEEP_VLAN; 8392 if ((sc->bce_phy_flags & BCE_PHY_SERDES_FLAG) != 0 && 8393 (cap & BCE_FW_CAP_REMOTE_PHY_CAP) != 0) { 8394 sc->bce_phy_flags &= ~BCE_PHY_REMOTE_PORT_FIBER_FLAG; 8395 sc->bce_phy_flags |= BCE_PHY_REMOTE_CAP_FLAG; 8396 link = bce_shmem_rd(sc, BCE_LINK_STATUS); 8397 if ((link & BCE_LINK_STATUS_SERDES_LINK) != 0) 8398 sc->bce_phy_flags |= BCE_PHY_REMOTE_PORT_FIBER_FLAG; 8399 ack |= BCE_DRV_ACK_CAP_SIGNATURE_MAGIC | 8400 BCE_FW_CAP_REMOTE_PHY_CAP; 8401 } 8402 8403 if (ack != 0) 8404 bce_shmem_wr(sc, BCE_DRV_ACK_CAP_MB, ack); 8405} 8406 8407#ifdef BCE_DEBUG 8408/****************************************************************************/ 8409/* Allows the driver state to be dumped through the sysctl interface. */ 8410/* */ 8411/* Returns: */ 8412/* 0 for success, positive value for failure. */ 8413/****************************************************************************/ 8414static int 8415bce_sysctl_driver_state(SYSCTL_HANDLER_ARGS) 8416{ 8417 int error; 8418 int result; 8419 struct bce_softc *sc; 8420 8421 result = -1; 8422 error = sysctl_handle_int(oidp, &result, 0, req); 8423 8424 if (error || !req->newptr) 8425 return (error); 8426 8427 if (result == 1) { 8428 sc = (struct bce_softc *)arg1; 8429 bce_dump_driver_state(sc); 8430 } 8431 8432 return error; 8433} 8434 8435/****************************************************************************/ 8436/* Allows the hardware state to be dumped through the sysctl interface. */ 8437/* */ 8438/* Returns: */ 8439/* 0 for success, positive value for failure. */ 8440/****************************************************************************/ 8441static int 8442bce_sysctl_hw_state(SYSCTL_HANDLER_ARGS) 8443{ 8444 int error; 8445 int result; 8446 struct bce_softc *sc; 8447 8448 result = -1; 8449 error = sysctl_handle_int(oidp, &result, 0, req); 8450 8451 if (error || !req->newptr) 8452 return (error); 8453 8454 if (result == 1) { 8455 sc = (struct bce_softc *)arg1; 8456 bce_dump_hw_state(sc); 8457 } 8458 8459 return error; 8460} 8461 8462/****************************************************************************/ 8463/* Allows the status block to be dumped through the sysctl interface. */ 8464/* */ 8465/* Returns: */ 8466/* 0 for success, positive value for failure. */ 8467/****************************************************************************/ 8468static int 8469bce_sysctl_status_block(SYSCTL_HANDLER_ARGS) 8470{ 8471 int error; 8472 int result; 8473 struct bce_softc *sc; 8474 8475 result = -1; 8476 error = sysctl_handle_int(oidp, &result, 0, req); 8477 8478 if (error || !req->newptr) 8479 return (error); 8480 8481 if (result == 1) { 8482 sc = (struct bce_softc *)arg1; 8483 bce_dump_status_block(sc); 8484 } 8485 8486 return error; 8487} 8488 8489/****************************************************************************/ 8490/* Allows the stats block to be dumped through the sysctl interface. */ 8491/* */ 8492/* Returns: */ 8493/* 0 for success, positive value for failure. */ 8494/****************************************************************************/ 8495static int 8496bce_sysctl_stats_block(SYSCTL_HANDLER_ARGS) 8497{ 8498 int error; 8499 int result; 8500 struct bce_softc *sc; 8501 8502 result = -1; 8503 error = sysctl_handle_int(oidp, &result, 0, req); 8504 8505 if (error || !req->newptr) 8506 return (error); 8507 8508 if (result == 1) { 8509 sc = (struct bce_softc *)arg1; 8510 bce_dump_stats_block(sc); 8511 } 8512 8513 return error; 8514} 8515 8516/****************************************************************************/ 8517/* Allows the stat counters to be cleared without unloading/reloading the */ 8518/* driver. */ 8519/* */ 8520/* Returns: */ 8521/* 0 for success, positive value for failure. */ 8522/****************************************************************************/ 8523static int 8524bce_sysctl_stats_clear(SYSCTL_HANDLER_ARGS) 8525{ 8526 int error; 8527 int result; 8528 struct bce_softc *sc; 8529 8530 result = -1; 8531 error = sysctl_handle_int(oidp, &result, 0, req); 8532 8533 if (error || !req->newptr) 8534 return (error); 8535 8536 if (result == 1) { 8537 sc = (struct bce_softc *)arg1; 8538 struct statistics_block *stats; 8539 8540 stats = (struct statistics_block *) sc->stats_block; 8541 bzero(stats, sizeof(struct statistics_block)); 8542 bus_dmamap_sync(sc->stats_tag, sc->stats_map, 8543 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 8544 8545 /* Clear the internal H/W statistics counters. */ 8546 REG_WR(sc, BCE_HC_COMMAND, BCE_HC_COMMAND_CLR_STAT_NOW); 8547 8548 /* Reset the driver maintained statistics. */ 8549 sc->interrupts_rx = 8550 sc->interrupts_tx = 0; 8551 sc->tso_frames_requested = 8552 sc->tso_frames_completed = 8553 sc->tso_frames_failed = 0; 8554 sc->rx_empty_count = 8555 sc->tx_full_count = 0; 8556 sc->rx_low_watermark = USABLE_RX_BD_ALLOC; 8557 sc->tx_hi_watermark = 0; 8558 sc->l2fhdr_error_count = 8559 sc->l2fhdr_error_sim_count = 0; 8560 sc->mbuf_alloc_failed_count = 8561 sc->mbuf_alloc_failed_sim_count = 0; 8562 sc->dma_map_addr_rx_failed_count = 8563 sc->dma_map_addr_tx_failed_count = 0; 8564 sc->mbuf_frag_count = 0; 8565 sc->csum_offload_tcp_udp = 8566 sc->csum_offload_ip = 0; 8567 sc->vlan_tagged_frames_rcvd = 8568 sc->vlan_tagged_frames_stripped = 0; 8569 sc->split_header_frames_rcvd = 8570 sc->split_header_tcp_frames_rcvd = 0; 8571 8572 /* Clear firmware maintained statistics. */ 8573 REG_WR_IND(sc, 0x120084, 0); 8574 } 8575 8576 return error; 8577} 8578 8579/****************************************************************************/ 8580/* Allows the shared memory contents to be dumped through the sysctl . */ 8581/* interface. */ 8582/* */ 8583/* Returns: */ 8584/* 0 for success, positive value for failure. */ 8585/****************************************************************************/ 8586static int 8587bce_sysctl_shmem_state(SYSCTL_HANDLER_ARGS) 8588{ 8589 int error; 8590 int result; 8591 struct bce_softc *sc; 8592 8593 result = -1; 8594 error = sysctl_handle_int(oidp, &result, 0, req); 8595 8596 if (error || !req->newptr) 8597 return (error); 8598 8599 if (result == 1) { 8600 sc = (struct bce_softc *)arg1; 8601 bce_dump_shmem_state(sc); 8602 } 8603 8604 return error; 8605} 8606 8607/****************************************************************************/ 8608/* Allows the bootcode state to be dumped through the sysctl interface. */ 8609/* */ 8610/* Returns: */ 8611/* 0 for success, positive value for failure. */ 8612/****************************************************************************/ 8613static int 8614bce_sysctl_bc_state(SYSCTL_HANDLER_ARGS) 8615{ 8616 int error; 8617 int result; 8618 struct bce_softc *sc; 8619 8620 result = -1; 8621 error = sysctl_handle_int(oidp, &result, 0, req); 8622 8623 if (error || !req->newptr) 8624 return (error); 8625 8626 if (result == 1) { 8627 sc = (struct bce_softc *)arg1; 8628 bce_dump_bc_state(sc); 8629 } 8630 8631 return error; 8632} 8633 8634/****************************************************************************/ 8635/* Provides a sysctl interface to allow dumping the RX BD chain. */ 8636/* */ 8637/* Returns: */ 8638/* 0 for success, positive value for failure. */ 8639/****************************************************************************/ 8640static int 8641bce_sysctl_dump_rx_bd_chain(SYSCTL_HANDLER_ARGS) 8642{ 8643 int error; 8644 int result; 8645 struct bce_softc *sc; 8646 8647 result = -1; 8648 error = sysctl_handle_int(oidp, &result, 0, req); 8649 8650 if (error || !req->newptr) 8651 return (error); 8652 8653 if (result == 1) { 8654 sc = (struct bce_softc *)arg1; 8655 bce_dump_rx_bd_chain(sc, 0, TOTAL_RX_BD_ALLOC); 8656 } 8657 8658 return error; 8659} 8660 8661/****************************************************************************/ 8662/* Provides a sysctl interface to allow dumping the RX MBUF chain. */ 8663/* */ 8664/* Returns: */ 8665/* 0 for success, positive value for failure. */ 8666/****************************************************************************/ 8667static int 8668bce_sysctl_dump_rx_mbuf_chain(SYSCTL_HANDLER_ARGS) 8669{ 8670 int error; 8671 int result; 8672 struct bce_softc *sc; 8673 8674 result = -1; 8675 error = sysctl_handle_int(oidp, &result, 0, req); 8676 8677 if (error || !req->newptr) 8678 return (error); 8679 8680 if (result == 1) { 8681 sc = (struct bce_softc *)arg1; 8682 bce_dump_rx_mbuf_chain(sc, 0, USABLE_RX_BD_ALLOC); 8683 } 8684 8685 return error; 8686} 8687 8688/****************************************************************************/ 8689/* Provides a sysctl interface to allow dumping the TX chain. */ 8690/* */ 8691/* Returns: */ 8692/* 0 for success, positive value for failure. */ 8693/****************************************************************************/ 8694static int 8695bce_sysctl_dump_tx_chain(SYSCTL_HANDLER_ARGS) 8696{ 8697 int error; 8698 int result; 8699 struct bce_softc *sc; 8700 8701 result = -1; 8702 error = sysctl_handle_int(oidp, &result, 0, req); 8703 8704 if (error || !req->newptr) 8705 return (error); 8706 8707 if (result == 1) { 8708 sc = (struct bce_softc *)arg1; 8709 bce_dump_tx_chain(sc, 0, TOTAL_TX_BD_ALLOC); 8710 } 8711 8712 return error; 8713} 8714 8715/****************************************************************************/ 8716/* Provides a sysctl interface to allow dumping the page chain. */ 8717/* */ 8718/* Returns: */ 8719/* 0 for success, positive value for failure. */ 8720/****************************************************************************/ 8721static int 8722bce_sysctl_dump_pg_chain(SYSCTL_HANDLER_ARGS) 8723{ 8724 int error; 8725 int result; 8726 struct bce_softc *sc; 8727 8728 result = -1; 8729 error = sysctl_handle_int(oidp, &result, 0, req); 8730 8731 if (error || !req->newptr) 8732 return (error); 8733 8734 if (result == 1) { 8735 sc = (struct bce_softc *)arg1; 8736 bce_dump_pg_chain(sc, 0, TOTAL_PG_BD_ALLOC); 8737 } 8738 8739 return error; 8740} 8741 8742/****************************************************************************/ 8743/* Provides a sysctl interface to allow reading arbitrary NVRAM offsets in */ 8744/* the device. DO NOT ENABLE ON PRODUCTION SYSTEMS! */ 8745/* */ 8746/* Returns: */ 8747/* 0 for success, positive value for failure. */ 8748/****************************************************************************/ 8749static int 8750bce_sysctl_nvram_read(SYSCTL_HANDLER_ARGS) 8751{ 8752 struct bce_softc *sc = (struct bce_softc *)arg1; 8753 int error; 8754 u32 result; 8755 u32 val[1]; 8756 u8 *data = (u8 *) val; 8757 8758 result = -1; 8759 error = sysctl_handle_int(oidp, &result, 0, req); 8760 if (error || (req->newptr == NULL)) 8761 return (error); 8762 8763 error = bce_nvram_read(sc, result, data, 4); 8764 8765 BCE_PRINTF("offset 0x%08X = 0x%08X\n", result, bce_be32toh(val[0])); 8766 8767 return (error); 8768} 8769 8770/****************************************************************************/ 8771/* Provides a sysctl interface to allow reading arbitrary registers in the */ 8772/* device. DO NOT ENABLE ON PRODUCTION SYSTEMS! */ 8773/* */ 8774/* Returns: */ 8775/* 0 for success, positive value for failure. */ 8776/****************************************************************************/ 8777static int 8778bce_sysctl_reg_read(SYSCTL_HANDLER_ARGS) 8779{ 8780 struct bce_softc *sc = (struct bce_softc *)arg1; 8781 int error; 8782 u32 val, result; 8783 8784 result = -1; 8785 error = sysctl_handle_int(oidp, &result, 0, req); 8786 if (error || (req->newptr == NULL)) 8787 return (error); 8788 8789 /* Make sure the register is accessible. */ 8790 if (result < 0x8000) { 8791 val = REG_RD(sc, result); 8792 BCE_PRINTF("reg 0x%08X = 0x%08X\n", result, val); 8793 } else if (result < 0x0280000) { 8794 val = REG_RD_IND(sc, result); 8795 BCE_PRINTF("reg 0x%08X = 0x%08X\n", result, val); 8796 } 8797 8798 return (error); 8799} 8800 8801/****************************************************************************/ 8802/* Provides a sysctl interface to allow reading arbitrary PHY registers in */ 8803/* the device. DO NOT ENABLE ON PRODUCTION SYSTEMS! */ 8804/* */ 8805/* Returns: */ 8806/* 0 for success, positive value for failure. */ 8807/****************************************************************************/ 8808static int 8809bce_sysctl_phy_read(SYSCTL_HANDLER_ARGS) 8810{ 8811 struct bce_softc *sc; 8812 device_t dev; 8813 int error, result; 8814 u16 val; 8815 8816 result = -1; 8817 error = sysctl_handle_int(oidp, &result, 0, req); 8818 if (error || (req->newptr == NULL)) 8819 return (error); 8820 8821 /* Make sure the register is accessible. */ 8822 if (result < 0x20) { 8823 sc = (struct bce_softc *)arg1; 8824 dev = sc->bce_dev; 8825 val = bce_miibus_read_reg(dev, sc->bce_phy_addr, result); 8826 BCE_PRINTF("phy 0x%02X = 0x%04X\n", result, val); 8827 } 8828 return (error); 8829} 8830 8831/****************************************************************************/ 8832/* Provides a sysctl interface for dumping the nvram contents. */ 8833/* DO NOT ENABLE ON PRODUCTION SYSTEMS! */ 8834/* */ 8835/* Returns: */ 8836/* 0 for success, positive errno for failure. */ 8837/****************************************************************************/ 8838static int 8839bce_sysctl_nvram_dump(SYSCTL_HANDLER_ARGS) 8840{ 8841 struct bce_softc *sc = (struct bce_softc *)arg1; 8842 int error, i; 8843 8844 if (sc->nvram_buf == NULL) 8845 sc->nvram_buf = malloc(sc->bce_flash_size, 8846 M_TEMP, M_ZERO | M_WAITOK); 8847 8848 error = 0; 8849 if (req->oldlen == sc->bce_flash_size) { 8850 for (i = 0; i < sc->bce_flash_size && error == 0; i++) 8851 error = bce_nvram_read(sc, i, &sc->nvram_buf[i], 1); 8852 } 8853 8854 if (error == 0) 8855 error = SYSCTL_OUT(req, sc->nvram_buf, sc->bce_flash_size); 8856 8857 return error; 8858} 8859 8860#ifdef BCE_NVRAM_WRITE_SUPPORT 8861/****************************************************************************/ 8862/* Provides a sysctl interface for writing to nvram. */ 8863/* DO NOT ENABLE ON PRODUCTION SYSTEMS! */ 8864/* */ 8865/* Returns: */ 8866/* 0 for success, positive errno for failure. */ 8867/****************************************************************************/ 8868static int 8869bce_sysctl_nvram_write(SYSCTL_HANDLER_ARGS) 8870{ 8871 struct bce_softc *sc = (struct bce_softc *)arg1; 8872 int error; 8873 8874 if (sc->nvram_buf == NULL) 8875 sc->nvram_buf = malloc(sc->bce_flash_size, 8876 M_TEMP, M_ZERO | M_WAITOK); 8877 else 8878 bzero(sc->nvram_buf, sc->bce_flash_size); 8879 8880 error = SYSCTL_IN(req, sc->nvram_buf, sc->bce_flash_size); 8881 if (error == 0) 8882 return (error); 8883 8884 if (req->newlen == sc->bce_flash_size) 8885 error = bce_nvram_write(sc, 0, sc->nvram_buf, 8886 sc->bce_flash_size); 8887 8888 return error; 8889} 8890#endif 8891 8892/****************************************************************************/ 8893/* Provides a sysctl interface to allow reading a CID. */ 8894/* */ 8895/* Returns: */ 8896/* 0 for success, positive value for failure. */ 8897/****************************************************************************/ 8898static int 8899bce_sysctl_dump_ctx(SYSCTL_HANDLER_ARGS) 8900{ 8901 struct bce_softc *sc; 8902 int error, result; 8903 8904 result = -1; 8905 error = sysctl_handle_int(oidp, &result, 0, req); 8906 if (error || (req->newptr == NULL)) 8907 return (error); 8908 8909 /* Make sure the register is accessible. */ 8910 if (result <= TX_CID) { 8911 sc = (struct bce_softc *)arg1; 8912 bce_dump_ctx(sc, result); 8913 } 8914 8915 return (error); 8916} 8917 8918/****************************************************************************/ 8919/* Provides a sysctl interface to forcing the driver to dump state and */ 8920/* enter the debugger. DO NOT ENABLE ON PRODUCTION SYSTEMS! */ 8921/* */ 8922/* Returns: */ 8923/* 0 for success, positive value for failure. */ 8924/****************************************************************************/ 8925static int 8926bce_sysctl_breakpoint(SYSCTL_HANDLER_ARGS) 8927{ 8928 int error; 8929 int result; 8930 struct bce_softc *sc; 8931 8932 result = -1; 8933 error = sysctl_handle_int(oidp, &result, 0, req); 8934 8935 if (error || !req->newptr) 8936 return (error); 8937 8938 if (result == 1) { 8939 sc = (struct bce_softc *)arg1; 8940 bce_breakpoint(sc); 8941 } 8942 8943 return error; 8944} 8945#endif 8946 8947/****************************************************************************/ 8948/* Adds any sysctl parameters for tuning or debugging purposes. */ 8949/* */ 8950/* Returns: */ 8951/* 0 for success, positive value for failure. */ 8952/****************************************************************************/ 8953static void 8954bce_add_sysctls(struct bce_softc *sc) 8955{ 8956 struct sysctl_ctx_list *ctx; 8957 struct sysctl_oid_list *children; 8958 8959 DBENTER(BCE_VERBOSE_MISC); 8960 8961 ctx = device_get_sysctl_ctx(sc->bce_dev); 8962 children = SYSCTL_CHILDREN(device_get_sysctl_tree(sc->bce_dev)); 8963 8964#ifdef BCE_DEBUG 8965 SYSCTL_ADD_INT(ctx, children, OID_AUTO, 8966 "l2fhdr_error_sim_control", 8967 CTLFLAG_RW, &l2fhdr_error_sim_control, 8968 0, "Debug control to force l2fhdr errors"); 8969 8970 SYSCTL_ADD_INT(ctx, children, OID_AUTO, 8971 "l2fhdr_error_sim_count", 8972 CTLFLAG_RD, &sc->l2fhdr_error_sim_count, 8973 0, "Number of simulated l2_fhdr errors"); 8974#endif 8975 8976 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 8977 "l2fhdr_error_count", 8978 CTLFLAG_RD, &sc->l2fhdr_error_count, 8979 0, "Number of l2_fhdr errors"); 8980 8981#ifdef BCE_DEBUG 8982 SYSCTL_ADD_INT(ctx, children, OID_AUTO, 8983 "mbuf_alloc_failed_sim_control", 8984 CTLFLAG_RW, &mbuf_alloc_failed_sim_control, 8985 0, "Debug control to force mbuf allocation failures"); 8986 8987 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 8988 "mbuf_alloc_failed_sim_count", 8989 CTLFLAG_RD, &sc->mbuf_alloc_failed_sim_count, 8990 0, "Number of simulated mbuf cluster allocation failures"); 8991#endif 8992 8993 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 8994 "mbuf_alloc_failed_count", 8995 CTLFLAG_RD, &sc->mbuf_alloc_failed_count, 8996 0, "Number of mbuf allocation failures"); 8997 8998 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 8999 "mbuf_frag_count", 9000 CTLFLAG_RD, &sc->mbuf_frag_count, 9001 0, "Number of fragmented mbufs"); 9002 9003#ifdef BCE_DEBUG 9004 SYSCTL_ADD_INT(ctx, children, OID_AUTO, 9005 "dma_map_addr_failed_sim_control", 9006 CTLFLAG_RW, &dma_map_addr_failed_sim_control, 9007 0, "Debug control to force DMA mapping failures"); 9008 9009 /* ToDo: Figure out how to update this value in bce_dma_map_addr(). */ 9010 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9011 "dma_map_addr_failed_sim_count", 9012 CTLFLAG_RD, &sc->dma_map_addr_failed_sim_count, 9013 0, "Number of simulated DMA mapping failures"); 9014 9015#endif 9016 9017 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9018 "dma_map_addr_rx_failed_count", 9019 CTLFLAG_RD, &sc->dma_map_addr_rx_failed_count, 9020 0, "Number of RX DMA mapping failures"); 9021 9022 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9023 "dma_map_addr_tx_failed_count", 9024 CTLFLAG_RD, &sc->dma_map_addr_tx_failed_count, 9025 0, "Number of TX DMA mapping failures"); 9026 9027#ifdef BCE_DEBUG 9028 SYSCTL_ADD_INT(ctx, children, OID_AUTO, 9029 "unexpected_attention_sim_control", 9030 CTLFLAG_RW, &unexpected_attention_sim_control, 9031 0, "Debug control to simulate unexpected attentions"); 9032 9033 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9034 "unexpected_attention_sim_count", 9035 CTLFLAG_RW, &sc->unexpected_attention_sim_count, 9036 0, "Number of simulated unexpected attentions"); 9037#endif 9038 9039 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9040 "unexpected_attention_count", 9041 CTLFLAG_RW, &sc->unexpected_attention_count, 9042 0, "Number of unexpected attentions"); 9043 9044#ifdef BCE_DEBUG 9045 SYSCTL_ADD_INT(ctx, children, OID_AUTO, 9046 "debug_bootcode_running_failure", 9047 CTLFLAG_RW, &bootcode_running_failure_sim_control, 9048 0, "Debug control to force bootcode running failures"); 9049 9050 SYSCTL_ADD_INT(ctx, children, OID_AUTO, 9051 "rx_low_watermark", 9052 CTLFLAG_RD, &sc->rx_low_watermark, 9053 0, "Lowest level of free rx_bd's"); 9054 9055 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9056 "rx_empty_count", 9057 CTLFLAG_RD, &sc->rx_empty_count, 9058 "Number of times the RX chain was empty"); 9059 9060 SYSCTL_ADD_INT(ctx, children, OID_AUTO, 9061 "tx_hi_watermark", 9062 CTLFLAG_RD, &sc->tx_hi_watermark, 9063 0, "Highest level of used tx_bd's"); 9064 9065 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9066 "tx_full_count", 9067 CTLFLAG_RD, &sc->tx_full_count, 9068 "Number of times the TX chain was full"); 9069 9070 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9071 "tso_frames_requested", 9072 CTLFLAG_RD, &sc->tso_frames_requested, 9073 "Number of TSO frames requested"); 9074 9075 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9076 "tso_frames_completed", 9077 CTLFLAG_RD, &sc->tso_frames_completed, 9078 "Number of TSO frames completed"); 9079 9080 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9081 "tso_frames_failed", 9082 CTLFLAG_RD, &sc->tso_frames_failed, 9083 "Number of TSO frames failed"); 9084 9085 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9086 "csum_offload_ip", 9087 CTLFLAG_RD, &sc->csum_offload_ip, 9088 "Number of IP checksum offload frames"); 9089 9090 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9091 "csum_offload_tcp_udp", 9092 CTLFLAG_RD, &sc->csum_offload_tcp_udp, 9093 "Number of TCP/UDP checksum offload frames"); 9094 9095 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9096 "vlan_tagged_frames_rcvd", 9097 CTLFLAG_RD, &sc->vlan_tagged_frames_rcvd, 9098 "Number of VLAN tagged frames received"); 9099 9100 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9101 "vlan_tagged_frames_stripped", 9102 CTLFLAG_RD, &sc->vlan_tagged_frames_stripped, 9103 "Number of VLAN tagged frames stripped"); 9104 9105 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9106 "interrupts_rx", 9107 CTLFLAG_RD, &sc->interrupts_rx, 9108 "Number of RX interrupts"); 9109 9110 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9111 "interrupts_tx", 9112 CTLFLAG_RD, &sc->interrupts_tx, 9113 "Number of TX interrupts"); 9114 9115 if (bce_hdr_split == TRUE) { 9116 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9117 "split_header_frames_rcvd", 9118 CTLFLAG_RD, &sc->split_header_frames_rcvd, 9119 "Number of split header frames received"); 9120 9121 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9122 "split_header_tcp_frames_rcvd", 9123 CTLFLAG_RD, &sc->split_header_tcp_frames_rcvd, 9124 "Number of split header TCP frames received"); 9125 } 9126 9127 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, 9128 "nvram_dump", CTLTYPE_OPAQUE | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 9129 (void *)sc, 0, 9130 bce_sysctl_nvram_dump, "S", ""); 9131 9132#ifdef BCE_NVRAM_WRITE_SUPPORT 9133 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, 9134 "nvram_write", CTLTYPE_OPAQUE | CTLFLAG_WR | CTLFLAG_NEEDGIANT, 9135 (void *)sc, 0, 9136 bce_sysctl_nvram_write, "S", ""); 9137#endif 9138#endif /* BCE_DEBUG */ 9139 9140 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9141 "stat_IfHcInOctets", 9142 CTLFLAG_RD, &sc->stat_IfHCInOctets, 9143 "Bytes received"); 9144 9145 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9146 "stat_IfHCInBadOctets", 9147 CTLFLAG_RD, &sc->stat_IfHCInBadOctets, 9148 "Bad bytes received"); 9149 9150 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9151 "stat_IfHCOutOctets", 9152 CTLFLAG_RD, &sc->stat_IfHCOutOctets, 9153 "Bytes sent"); 9154 9155 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9156 "stat_IfHCOutBadOctets", 9157 CTLFLAG_RD, &sc->stat_IfHCOutBadOctets, 9158 "Bad bytes sent"); 9159 9160 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9161 "stat_IfHCInUcastPkts", 9162 CTLFLAG_RD, &sc->stat_IfHCInUcastPkts, 9163 "Unicast packets received"); 9164 9165 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9166 "stat_IfHCInMulticastPkts", 9167 CTLFLAG_RD, &sc->stat_IfHCInMulticastPkts, 9168 "Multicast packets received"); 9169 9170 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9171 "stat_IfHCInBroadcastPkts", 9172 CTLFLAG_RD, &sc->stat_IfHCInBroadcastPkts, 9173 "Broadcast packets received"); 9174 9175 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9176 "stat_IfHCOutUcastPkts", 9177 CTLFLAG_RD, &sc->stat_IfHCOutUcastPkts, 9178 "Unicast packets sent"); 9179 9180 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9181 "stat_IfHCOutMulticastPkts", 9182 CTLFLAG_RD, &sc->stat_IfHCOutMulticastPkts, 9183 "Multicast packets sent"); 9184 9185 SYSCTL_ADD_QUAD(ctx, children, OID_AUTO, 9186 "stat_IfHCOutBroadcastPkts", 9187 CTLFLAG_RD, &sc->stat_IfHCOutBroadcastPkts, 9188 "Broadcast packets sent"); 9189 9190 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9191 "stat_emac_tx_stat_dot3statsinternalmactransmiterrors", 9192 CTLFLAG_RD, &sc->stat_emac_tx_stat_dot3statsinternalmactransmiterrors, 9193 0, "Internal MAC transmit errors"); 9194 9195 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9196 "stat_Dot3StatsCarrierSenseErrors", 9197 CTLFLAG_RD, &sc->stat_Dot3StatsCarrierSenseErrors, 9198 0, "Carrier sense errors"); 9199 9200 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9201 "stat_Dot3StatsFCSErrors", 9202 CTLFLAG_RD, &sc->stat_Dot3StatsFCSErrors, 9203 0, "Frame check sequence errors"); 9204 9205 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9206 "stat_Dot3StatsAlignmentErrors", 9207 CTLFLAG_RD, &sc->stat_Dot3StatsAlignmentErrors, 9208 0, "Alignment errors"); 9209 9210 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9211 "stat_Dot3StatsSingleCollisionFrames", 9212 CTLFLAG_RD, &sc->stat_Dot3StatsSingleCollisionFrames, 9213 0, "Single Collision Frames"); 9214 9215 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9216 "stat_Dot3StatsMultipleCollisionFrames", 9217 CTLFLAG_RD, &sc->stat_Dot3StatsMultipleCollisionFrames, 9218 0, "Multiple Collision Frames"); 9219 9220 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9221 "stat_Dot3StatsDeferredTransmissions", 9222 CTLFLAG_RD, &sc->stat_Dot3StatsDeferredTransmissions, 9223 0, "Deferred Transmissions"); 9224 9225 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9226 "stat_Dot3StatsExcessiveCollisions", 9227 CTLFLAG_RD, &sc->stat_Dot3StatsExcessiveCollisions, 9228 0, "Excessive Collisions"); 9229 9230 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9231 "stat_Dot3StatsLateCollisions", 9232 CTLFLAG_RD, &sc->stat_Dot3StatsLateCollisions, 9233 0, "Late Collisions"); 9234 9235 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9236 "stat_EtherStatsCollisions", 9237 CTLFLAG_RD, &sc->stat_EtherStatsCollisions, 9238 0, "Collisions"); 9239 9240 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9241 "stat_EtherStatsFragments", 9242 CTLFLAG_RD, &sc->stat_EtherStatsFragments, 9243 0, "Fragments"); 9244 9245 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9246 "stat_EtherStatsJabbers", 9247 CTLFLAG_RD, &sc->stat_EtherStatsJabbers, 9248 0, "Jabbers"); 9249 9250 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9251 "stat_EtherStatsUndersizePkts", 9252 CTLFLAG_RD, &sc->stat_EtherStatsUndersizePkts, 9253 0, "Undersize packets"); 9254 9255 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9256 "stat_EtherStatsOversizePkts", 9257 CTLFLAG_RD, &sc->stat_EtherStatsOversizePkts, 9258 0, "stat_EtherStatsOversizePkts"); 9259 9260 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9261 "stat_EtherStatsPktsRx64Octets", 9262 CTLFLAG_RD, &sc->stat_EtherStatsPktsRx64Octets, 9263 0, "Bytes received in 64 byte packets"); 9264 9265 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9266 "stat_EtherStatsPktsRx65Octetsto127Octets", 9267 CTLFLAG_RD, &sc->stat_EtherStatsPktsRx65Octetsto127Octets, 9268 0, "Bytes received in 65 to 127 byte packets"); 9269 9270 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9271 "stat_EtherStatsPktsRx128Octetsto255Octets", 9272 CTLFLAG_RD, &sc->stat_EtherStatsPktsRx128Octetsto255Octets, 9273 0, "Bytes received in 128 to 255 byte packets"); 9274 9275 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9276 "stat_EtherStatsPktsRx256Octetsto511Octets", 9277 CTLFLAG_RD, &sc->stat_EtherStatsPktsRx256Octetsto511Octets, 9278 0, "Bytes received in 256 to 511 byte packets"); 9279 9280 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9281 "stat_EtherStatsPktsRx512Octetsto1023Octets", 9282 CTLFLAG_RD, &sc->stat_EtherStatsPktsRx512Octetsto1023Octets, 9283 0, "Bytes received in 512 to 1023 byte packets"); 9284 9285 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9286 "stat_EtherStatsPktsRx1024Octetsto1522Octets", 9287 CTLFLAG_RD, &sc->stat_EtherStatsPktsRx1024Octetsto1522Octets, 9288 0, "Bytes received in 1024 t0 1522 byte packets"); 9289 9290 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9291 "stat_EtherStatsPktsRx1523Octetsto9022Octets", 9292 CTLFLAG_RD, &sc->stat_EtherStatsPktsRx1523Octetsto9022Octets, 9293 0, "Bytes received in 1523 to 9022 byte packets"); 9294 9295 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9296 "stat_EtherStatsPktsTx64Octets", 9297 CTLFLAG_RD, &sc->stat_EtherStatsPktsTx64Octets, 9298 0, "Bytes sent in 64 byte packets"); 9299 9300 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9301 "stat_EtherStatsPktsTx65Octetsto127Octets", 9302 CTLFLAG_RD, &sc->stat_EtherStatsPktsTx65Octetsto127Octets, 9303 0, "Bytes sent in 65 to 127 byte packets"); 9304 9305 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9306 "stat_EtherStatsPktsTx128Octetsto255Octets", 9307 CTLFLAG_RD, &sc->stat_EtherStatsPktsTx128Octetsto255Octets, 9308 0, "Bytes sent in 128 to 255 byte packets"); 9309 9310 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9311 "stat_EtherStatsPktsTx256Octetsto511Octets", 9312 CTLFLAG_RD, &sc->stat_EtherStatsPktsTx256Octetsto511Octets, 9313 0, "Bytes sent in 256 to 511 byte packets"); 9314 9315 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9316 "stat_EtherStatsPktsTx512Octetsto1023Octets", 9317 CTLFLAG_RD, &sc->stat_EtherStatsPktsTx512Octetsto1023Octets, 9318 0, "Bytes sent in 512 to 1023 byte packets"); 9319 9320 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9321 "stat_EtherStatsPktsTx1024Octetsto1522Octets", 9322 CTLFLAG_RD, &sc->stat_EtherStatsPktsTx1024Octetsto1522Octets, 9323 0, "Bytes sent in 1024 to 1522 byte packets"); 9324 9325 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9326 "stat_EtherStatsPktsTx1523Octetsto9022Octets", 9327 CTLFLAG_RD, &sc->stat_EtherStatsPktsTx1523Octetsto9022Octets, 9328 0, "Bytes sent in 1523 to 9022 byte packets"); 9329 9330 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9331 "stat_XonPauseFramesReceived", 9332 CTLFLAG_RD, &sc->stat_XonPauseFramesReceived, 9333 0, "XON pause frames receved"); 9334 9335 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9336 "stat_XoffPauseFramesReceived", 9337 CTLFLAG_RD, &sc->stat_XoffPauseFramesReceived, 9338 0, "XOFF pause frames received"); 9339 9340 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9341 "stat_OutXonSent", 9342 CTLFLAG_RD, &sc->stat_OutXonSent, 9343 0, "XON pause frames sent"); 9344 9345 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9346 "stat_OutXoffSent", 9347 CTLFLAG_RD, &sc->stat_OutXoffSent, 9348 0, "XOFF pause frames sent"); 9349 9350 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9351 "stat_FlowControlDone", 9352 CTLFLAG_RD, &sc->stat_FlowControlDone, 9353 0, "Flow control done"); 9354 9355 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9356 "stat_MacControlFramesReceived", 9357 CTLFLAG_RD, &sc->stat_MacControlFramesReceived, 9358 0, "MAC control frames received"); 9359 9360 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9361 "stat_XoffStateEntered", 9362 CTLFLAG_RD, &sc->stat_XoffStateEntered, 9363 0, "XOFF state entered"); 9364 9365 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9366 "stat_IfInFramesL2FilterDiscards", 9367 CTLFLAG_RD, &sc->stat_IfInFramesL2FilterDiscards, 9368 0, "Received L2 packets discarded"); 9369 9370 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9371 "stat_IfInRuleCheckerDiscards", 9372 CTLFLAG_RD, &sc->stat_IfInRuleCheckerDiscards, 9373 0, "Received packets discarded by rule"); 9374 9375 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9376 "stat_IfInFTQDiscards", 9377 CTLFLAG_RD, &sc->stat_IfInFTQDiscards, 9378 0, "Received packet FTQ discards"); 9379 9380 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9381 "stat_IfInMBUFDiscards", 9382 CTLFLAG_RD, &sc->stat_IfInMBUFDiscards, 9383 0, "Received packets discarded due to lack " 9384 "of controller buffer memory"); 9385 9386 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9387 "stat_IfInRuleCheckerP4Hit", 9388 CTLFLAG_RD, &sc->stat_IfInRuleCheckerP4Hit, 9389 0, "Received packets rule checker hits"); 9390 9391 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9392 "stat_CatchupInRuleCheckerDiscards", 9393 CTLFLAG_RD, &sc->stat_CatchupInRuleCheckerDiscards, 9394 0, "Received packets discarded in Catchup path"); 9395 9396 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9397 "stat_CatchupInFTQDiscards", 9398 CTLFLAG_RD, &sc->stat_CatchupInFTQDiscards, 9399 0, "Received packets discarded in FTQ in Catchup path"); 9400 9401 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9402 "stat_CatchupInMBUFDiscards", 9403 CTLFLAG_RD, &sc->stat_CatchupInMBUFDiscards, 9404 0, "Received packets discarded in controller " 9405 "buffer memory in Catchup path"); 9406 9407 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9408 "stat_CatchupInRuleCheckerP4Hit", 9409 CTLFLAG_RD, &sc->stat_CatchupInRuleCheckerP4Hit, 9410 0, "Received packets rule checker hits in Catchup path"); 9411 9412 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, 9413 "com_no_buffers", 9414 CTLFLAG_RD, &sc->com_no_buffers, 9415 0, "Valid packets received but no RX buffers available"); 9416 9417#ifdef BCE_DEBUG 9418 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, 9419 "driver_state", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 9420 (void *)sc, 0, 9421 bce_sysctl_driver_state, "I", "Drive state information"); 9422 9423 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, 9424 "hw_state", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 9425 (void *)sc, 0, 9426 bce_sysctl_hw_state, "I", "Hardware state information"); 9427 9428 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, 9429 "status_block", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 9430 (void *)sc, 0, 9431 bce_sysctl_status_block, "I", "Dump status block"); 9432 9433 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, 9434 "stats_block", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 9435 (void *)sc, 0, 9436 bce_sysctl_stats_block, "I", "Dump statistics block"); 9437 9438 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, 9439 "stats_clear", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 9440 (void *)sc, 0, 9441 bce_sysctl_stats_clear, "I", "Clear statistics block"); 9442 9443 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, 9444 "shmem_state", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 9445 (void *)sc, 0, 9446 bce_sysctl_shmem_state, "I", "Shared memory state information"); 9447 9448 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, 9449 "bc_state", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 9450 (void *)sc, 0, 9451 bce_sysctl_bc_state, "I", "Bootcode state information"); 9452 9453 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, 9454 "dump_rx_bd_chain", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 9455 (void *)sc, 0, 9456 bce_sysctl_dump_rx_bd_chain, "I", "Dump RX BD chain"); 9457 9458 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, 9459 "dump_rx_mbuf_chain", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 9460 (void *)sc, 0, 9461 bce_sysctl_dump_rx_mbuf_chain, "I", "Dump RX MBUF chain"); 9462 9463 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, 9464 "dump_tx_chain", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 9465 (void *)sc, 0, 9466 bce_sysctl_dump_tx_chain, "I", "Dump tx_bd chain"); 9467 9468 if (bce_hdr_split == TRUE) { 9469 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, 9470 "dump_pg_chain", 9471 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 9472 (void *)sc, 0, 9473 bce_sysctl_dump_pg_chain, "I", "Dump page chain"); 9474 } 9475 9476 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, 9477 "dump_ctx", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 9478 (void *)sc, 0, 9479 bce_sysctl_dump_ctx, "I", "Dump context memory"); 9480 9481 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, 9482 "breakpoint", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 9483 (void *)sc, 0, 9484 bce_sysctl_breakpoint, "I", "Driver breakpoint"); 9485 9486 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, 9487 "reg_read", CTLTYPE_INT | CTLFLAG_RW| CTLFLAG_NEEDGIANT, 9488 (void *)sc, 0, 9489 bce_sysctl_reg_read, "I", "Register read"); 9490 9491 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, 9492 "nvram_read", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 9493 (void *)sc, 0, 9494 bce_sysctl_nvram_read, "I", "NVRAM read"); 9495 9496 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, 9497 "phy_read", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 9498 (void *)sc, 0, 9499 bce_sysctl_phy_read, "I", "PHY register read"); 9500 9501#endif 9502 9503 DBEXIT(BCE_VERBOSE_MISC); 9504} 9505 9506/****************************************************************************/ 9507/* BCE Debug Routines */ 9508/****************************************************************************/ 9509#ifdef BCE_DEBUG 9510 9511/****************************************************************************/ 9512/* Freezes the controller to allow for a cohesive state dump. */ 9513/* */ 9514/* Returns: */ 9515/* Nothing. */ 9516/****************************************************************************/ 9517static __attribute__ ((noinline)) void 9518bce_freeze_controller(struct bce_softc *sc) 9519{ 9520 u32 val; 9521 val = REG_RD(sc, BCE_MISC_COMMAND); 9522 val |= BCE_MISC_COMMAND_DISABLE_ALL; 9523 REG_WR(sc, BCE_MISC_COMMAND, val); 9524} 9525 9526/****************************************************************************/ 9527/* Unfreezes the controller after a freeze operation. This may not always */ 9528/* work and the controller will require a reset! */ 9529/* */ 9530/* Returns: */ 9531/* Nothing. */ 9532/****************************************************************************/ 9533static __attribute__ ((noinline)) void 9534bce_unfreeze_controller(struct bce_softc *sc) 9535{ 9536 u32 val; 9537 val = REG_RD(sc, BCE_MISC_COMMAND); 9538 val |= BCE_MISC_COMMAND_ENABLE_ALL; 9539 REG_WR(sc, BCE_MISC_COMMAND, val); 9540} 9541 9542/****************************************************************************/ 9543/* Prints out Ethernet frame information from an mbuf. */ 9544/* */ 9545/* Partially decode an Ethernet frame to look at some important headers. */ 9546/* */ 9547/* Returns: */ 9548/* Nothing. */ 9549/****************************************************************************/ 9550static __attribute__ ((noinline)) void 9551bce_dump_enet(struct bce_softc *sc, struct mbuf *m) 9552{ 9553 struct ether_vlan_header *eh; 9554 u16 etype; 9555 int ehlen; 9556 struct ip *ip; 9557 struct tcphdr *th; 9558 struct udphdr *uh; 9559 struct arphdr *ah; 9560 9561 BCE_PRINTF( 9562 "-----------------------------" 9563 " Frame Decode " 9564 "-----------------------------\n"); 9565 9566 eh = mtod(m, struct ether_vlan_header *); 9567 9568 /* Handle VLAN encapsulation if present. */ 9569 if (eh->evl_encap_proto == htons(ETHERTYPE_VLAN)) { 9570 etype = ntohs(eh->evl_proto); 9571 ehlen = ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN; 9572 } else { 9573 etype = ntohs(eh->evl_encap_proto); 9574 ehlen = ETHER_HDR_LEN; 9575 } 9576 9577 /* ToDo: Add VLAN output. */ 9578 BCE_PRINTF("enet: dest = %6D, src = %6D, type = 0x%04X, hlen = %d\n", 9579 eh->evl_dhost, ":", eh->evl_shost, ":", etype, ehlen); 9580 9581 switch (etype) { 9582 case ETHERTYPE_IP: 9583 ip = (struct ip *)(m->m_data + ehlen); 9584 BCE_PRINTF("--ip: dest = 0x%08X , src = 0x%08X, " 9585 "len = %d bytes, protocol = 0x%02X, xsum = 0x%04X\n", 9586 ntohl(ip->ip_dst.s_addr), ntohl(ip->ip_src.s_addr), 9587 ntohs(ip->ip_len), ip->ip_p, ntohs(ip->ip_sum)); 9588 9589 switch (ip->ip_p) { 9590 case IPPROTO_TCP: 9591 th = (struct tcphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 9592 BCE_PRINTF("-tcp: dest = %d, src = %d, hlen = " 9593 "%d bytes, flags = 0x%b, csum = 0x%04X\n", 9594 ntohs(th->th_dport), ntohs(th->th_sport), 9595 (th->th_off << 2), th->th_flags, 9596 "\20\10CWR\07ECE\06URG\05ACK\04PSH\03RST" 9597 "\02SYN\01FIN", ntohs(th->th_sum)); 9598 break; 9599 case IPPROTO_UDP: 9600 uh = (struct udphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 9601 BCE_PRINTF("-udp: dest = %d, src = %d, len = %d " 9602 "bytes, csum = 0x%04X\n", ntohs(uh->uh_dport), 9603 ntohs(uh->uh_sport), ntohs(uh->uh_ulen), 9604 ntohs(uh->uh_sum)); 9605 break; 9606 case IPPROTO_ICMP: 9607 BCE_PRINTF("icmp:\n"); 9608 break; 9609 default: 9610 BCE_PRINTF("----: Other IP protocol.\n"); 9611 } 9612 break; 9613 case ETHERTYPE_IPV6: 9614 BCE_PRINTF("ipv6: No decode supported.\n"); 9615 break; 9616 case ETHERTYPE_ARP: 9617 BCE_PRINTF("-arp: "); 9618 ah = (struct arphdr *) (m->m_data + ehlen); 9619 switch (ntohs(ah->ar_op)) { 9620 case ARPOP_REVREQUEST: 9621 printf("reverse ARP request\n"); 9622 break; 9623 case ARPOP_REVREPLY: 9624 printf("reverse ARP reply\n"); 9625 break; 9626 case ARPOP_REQUEST: 9627 printf("ARP request\n"); 9628 break; 9629 case ARPOP_REPLY: 9630 printf("ARP reply\n"); 9631 break; 9632 default: 9633 printf("other ARP operation\n"); 9634 } 9635 break; 9636 default: 9637 BCE_PRINTF("----: Other protocol.\n"); 9638 } 9639 9640 BCE_PRINTF( 9641 "-----------------------------" 9642 "--------------" 9643 "-----------------------------\n"); 9644} 9645 9646/****************************************************************************/ 9647/* Prints out information about an mbuf. */ 9648/* */ 9649/* Returns: */ 9650/* Nothing. */ 9651/****************************************************************************/ 9652static __attribute__ ((noinline)) void 9653bce_dump_mbuf(struct bce_softc *sc, struct mbuf *m) 9654{ 9655 struct mbuf *mp = m; 9656 9657 if (m == NULL) { 9658 BCE_PRINTF("mbuf: null pointer\n"); 9659 return; 9660 } 9661 9662 while (mp) { 9663 BCE_PRINTF("mbuf: %p, m_len = %d, m_flags = 0x%b, " 9664 "m_data = %p\n", mp, mp->m_len, mp->m_flags, 9665 "\20\1M_EXT\2M_PKTHDR\3M_EOR\4M_RDONLY", mp->m_data); 9666 9667 if (mp->m_flags & M_PKTHDR) { 9668 BCE_PRINTF("- m_pkthdr: len = %d, flags = 0x%b, " 9669 "csum_flags = %b\n", mp->m_pkthdr.len, 9670 mp->m_flags, M_FLAG_PRINTF, 9671 mp->m_pkthdr.csum_flags, CSUM_BITS); 9672 } 9673 9674 if (mp->m_flags & M_EXT) { 9675 BCE_PRINTF("- m_ext: %p, ext_size = %d, type = ", 9676 mp->m_ext.ext_buf, mp->m_ext.ext_size); 9677 switch (mp->m_ext.ext_type) { 9678 case EXT_CLUSTER: 9679 printf("EXT_CLUSTER\n"); break; 9680 case EXT_SFBUF: 9681 printf("EXT_SFBUF\n"); break; 9682 case EXT_JUMBO9: 9683 printf("EXT_JUMBO9\n"); break; 9684 case EXT_JUMBO16: 9685 printf("EXT_JUMBO16\n"); break; 9686 case EXT_PACKET: 9687 printf("EXT_PACKET\n"); break; 9688 case EXT_MBUF: 9689 printf("EXT_MBUF\n"); break; 9690 case EXT_NET_DRV: 9691 printf("EXT_NET_DRV\n"); break; 9692 case EXT_MOD_TYPE: 9693 printf("EXT_MDD_TYPE\n"); break; 9694 case EXT_DISPOSABLE: 9695 printf("EXT_DISPOSABLE\n"); break; 9696 case EXT_EXTREF: 9697 printf("EXT_EXTREF\n"); break; 9698 default: 9699 printf("UNKNOWN\n"); 9700 } 9701 } 9702 9703 mp = mp->m_next; 9704 } 9705} 9706 9707/****************************************************************************/ 9708/* Prints out the mbufs in the TX mbuf chain. */ 9709/* */ 9710/* Returns: */ 9711/* Nothing. */ 9712/****************************************************************************/ 9713static __attribute__ ((noinline)) void 9714bce_dump_tx_mbuf_chain(struct bce_softc *sc, u16 chain_prod, int count) 9715{ 9716 struct mbuf *m; 9717 9718 BCE_PRINTF( 9719 "----------------------------" 9720 " tx mbuf data " 9721 "----------------------------\n"); 9722 9723 for (int i = 0; i < count; i++) { 9724 m = sc->tx_mbuf_ptr[chain_prod]; 9725 BCE_PRINTF("txmbuf[0x%04X]\n", chain_prod); 9726 bce_dump_mbuf(sc, m); 9727 chain_prod = TX_CHAIN_IDX(NEXT_TX_BD(chain_prod)); 9728 } 9729 9730 BCE_PRINTF( 9731 "----------------------------" 9732 "----------------" 9733 "----------------------------\n"); 9734} 9735 9736/****************************************************************************/ 9737/* Prints out the mbufs in the RX mbuf chain. */ 9738/* */ 9739/* Returns: */ 9740/* Nothing. */ 9741/****************************************************************************/ 9742static __attribute__ ((noinline)) void 9743bce_dump_rx_mbuf_chain(struct bce_softc *sc, u16 chain_prod, int count) 9744{ 9745 struct mbuf *m; 9746 9747 BCE_PRINTF( 9748 "----------------------------" 9749 " rx mbuf data " 9750 "----------------------------\n"); 9751 9752 for (int i = 0; i < count; i++) { 9753 m = sc->rx_mbuf_ptr[chain_prod]; 9754 BCE_PRINTF("rxmbuf[0x%04X]\n", chain_prod); 9755 bce_dump_mbuf(sc, m); 9756 chain_prod = RX_CHAIN_IDX(NEXT_RX_BD(chain_prod)); 9757 } 9758 9759 BCE_PRINTF( 9760 "----------------------------" 9761 "----------------" 9762 "----------------------------\n"); 9763} 9764 9765/****************************************************************************/ 9766/* Prints out the mbufs in the mbuf page chain. */ 9767/* */ 9768/* Returns: */ 9769/* Nothing. */ 9770/****************************************************************************/ 9771static __attribute__ ((noinline)) void 9772bce_dump_pg_mbuf_chain(struct bce_softc *sc, u16 chain_prod, int count) 9773{ 9774 struct mbuf *m; 9775 9776 BCE_PRINTF( 9777 "----------------------------" 9778 " pg mbuf data " 9779 "----------------------------\n"); 9780 9781 for (int i = 0; i < count; i++) { 9782 m = sc->pg_mbuf_ptr[chain_prod]; 9783 BCE_PRINTF("pgmbuf[0x%04X]\n", chain_prod); 9784 bce_dump_mbuf(sc, m); 9785 chain_prod = PG_CHAIN_IDX(NEXT_PG_BD(chain_prod)); 9786 } 9787 9788 BCE_PRINTF( 9789 "----------------------------" 9790 "----------------" 9791 "----------------------------\n"); 9792} 9793 9794/****************************************************************************/ 9795/* Prints out a tx_bd structure. */ 9796/* */ 9797/* Returns: */ 9798/* Nothing. */ 9799/****************************************************************************/ 9800static __attribute__ ((noinline)) void 9801bce_dump_txbd(struct bce_softc *sc, int idx, struct tx_bd *txbd) 9802{ 9803 int i = 0; 9804 9805 if (idx > MAX_TX_BD_ALLOC) 9806 /* Index out of range. */ 9807 BCE_PRINTF("tx_bd[0x%04X]: Invalid tx_bd index!\n", idx); 9808 else if ((idx & USABLE_TX_BD_PER_PAGE) == USABLE_TX_BD_PER_PAGE) 9809 /* TX Chain page pointer. */ 9810 BCE_PRINTF("tx_bd[0x%04X]: haddr = 0x%08X:%08X, chain page " 9811 "pointer\n", idx, txbd->tx_bd_haddr_hi, 9812 txbd->tx_bd_haddr_lo); 9813 else { 9814 /* Normal tx_bd entry. */ 9815 BCE_PRINTF("tx_bd[0x%04X]: haddr = 0x%08X:%08X, " 9816 "mss_nbytes = 0x%08X, vlan tag = 0x%04X, flags = " 9817 "0x%04X (", idx, txbd->tx_bd_haddr_hi, 9818 txbd->tx_bd_haddr_lo, txbd->tx_bd_mss_nbytes, 9819 txbd->tx_bd_vlan_tag, txbd->tx_bd_flags); 9820 9821 if (txbd->tx_bd_flags & TX_BD_FLAGS_CONN_FAULT) { 9822 if (i>0) 9823 printf("|"); 9824 printf("CONN_FAULT"); 9825 i++; 9826 } 9827 9828 if (txbd->tx_bd_flags & TX_BD_FLAGS_TCP_UDP_CKSUM) { 9829 if (i>0) 9830 printf("|"); 9831 printf("TCP_UDP_CKSUM"); 9832 i++; 9833 } 9834 9835 if (txbd->tx_bd_flags & TX_BD_FLAGS_IP_CKSUM) { 9836 if (i>0) 9837 printf("|"); 9838 printf("IP_CKSUM"); 9839 i++; 9840 } 9841 9842 if (txbd->tx_bd_flags & TX_BD_FLAGS_VLAN_TAG) { 9843 if (i>0) 9844 printf("|"); 9845 printf("VLAN"); 9846 i++; 9847 } 9848 9849 if (txbd->tx_bd_flags & TX_BD_FLAGS_COAL_NOW) { 9850 if (i>0) 9851 printf("|"); 9852 printf("COAL_NOW"); 9853 i++; 9854 } 9855 9856 if (txbd->tx_bd_flags & TX_BD_FLAGS_DONT_GEN_CRC) { 9857 if (i>0) 9858 printf("|"); 9859 printf("DONT_GEN_CRC"); 9860 i++; 9861 } 9862 9863 if (txbd->tx_bd_flags & TX_BD_FLAGS_START) { 9864 if (i>0) 9865 printf("|"); 9866 printf("START"); 9867 i++; 9868 } 9869 9870 if (txbd->tx_bd_flags & TX_BD_FLAGS_END) { 9871 if (i>0) 9872 printf("|"); 9873 printf("END"); 9874 i++; 9875 } 9876 9877 if (txbd->tx_bd_flags & TX_BD_FLAGS_SW_LSO) { 9878 if (i>0) 9879 printf("|"); 9880 printf("LSO"); 9881 i++; 9882 } 9883 9884 if (txbd->tx_bd_flags & TX_BD_FLAGS_SW_OPTION_WORD) { 9885 if (i>0) 9886 printf("|"); 9887 printf("SW_OPTION=%d", ((txbd->tx_bd_flags & 9888 TX_BD_FLAGS_SW_OPTION_WORD) >> 8)); i++; 9889 } 9890 9891 if (txbd->tx_bd_flags & TX_BD_FLAGS_SW_FLAGS) { 9892 if (i>0) 9893 printf("|"); 9894 printf("SW_FLAGS"); 9895 i++; 9896 } 9897 9898 if (txbd->tx_bd_flags & TX_BD_FLAGS_SW_SNAP) { 9899 if (i>0) 9900 printf("|"); 9901 printf("SNAP)"); 9902 } else { 9903 printf(")\n"); 9904 } 9905 } 9906} 9907 9908/****************************************************************************/ 9909/* Prints out a rx_bd structure. */ 9910/* */ 9911/* Returns: */ 9912/* Nothing. */ 9913/****************************************************************************/ 9914static __attribute__ ((noinline)) void 9915bce_dump_rxbd(struct bce_softc *sc, int idx, struct rx_bd *rxbd) 9916{ 9917 if (idx > MAX_RX_BD_ALLOC) 9918 /* Index out of range. */ 9919 BCE_PRINTF("rx_bd[0x%04X]: Invalid rx_bd index!\n", idx); 9920 else if ((idx & USABLE_RX_BD_PER_PAGE) == USABLE_RX_BD_PER_PAGE) 9921 /* RX Chain page pointer. */ 9922 BCE_PRINTF("rx_bd[0x%04X]: haddr = 0x%08X:%08X, chain page " 9923 "pointer\n", idx, rxbd->rx_bd_haddr_hi, 9924 rxbd->rx_bd_haddr_lo); 9925 else 9926 /* Normal rx_bd entry. */ 9927 BCE_PRINTF("rx_bd[0x%04X]: haddr = 0x%08X:%08X, nbytes = " 9928 "0x%08X, flags = 0x%08X\n", idx, rxbd->rx_bd_haddr_hi, 9929 rxbd->rx_bd_haddr_lo, rxbd->rx_bd_len, 9930 rxbd->rx_bd_flags); 9931} 9932 9933/****************************************************************************/ 9934/* Prints out a rx_bd structure in the page chain. */ 9935/* */ 9936/* Returns: */ 9937/* Nothing. */ 9938/****************************************************************************/ 9939static __attribute__ ((noinline)) void 9940bce_dump_pgbd(struct bce_softc *sc, int idx, struct rx_bd *pgbd) 9941{ 9942 if (idx > MAX_PG_BD_ALLOC) 9943 /* Index out of range. */ 9944 BCE_PRINTF("pg_bd[0x%04X]: Invalid pg_bd index!\n", idx); 9945 else if ((idx & USABLE_PG_BD_PER_PAGE) == USABLE_PG_BD_PER_PAGE) 9946 /* Page Chain page pointer. */ 9947 BCE_PRINTF("px_bd[0x%04X]: haddr = 0x%08X:%08X, chain page pointer\n", 9948 idx, pgbd->rx_bd_haddr_hi, pgbd->rx_bd_haddr_lo); 9949 else 9950 /* Normal rx_bd entry. */ 9951 BCE_PRINTF("pg_bd[0x%04X]: haddr = 0x%08X:%08X, nbytes = 0x%08X, " 9952 "flags = 0x%08X\n", idx, 9953 pgbd->rx_bd_haddr_hi, pgbd->rx_bd_haddr_lo, 9954 pgbd->rx_bd_len, pgbd->rx_bd_flags); 9955} 9956 9957/****************************************************************************/ 9958/* Prints out a l2_fhdr structure. */ 9959/* */ 9960/* Returns: */ 9961/* Nothing. */ 9962/****************************************************************************/ 9963static __attribute__ ((noinline)) void 9964bce_dump_l2fhdr(struct bce_softc *sc, int idx, struct l2_fhdr *l2fhdr) 9965{ 9966 BCE_PRINTF("l2_fhdr[0x%04X]: status = 0x%b, " 9967 "pkt_len = %d, vlan = 0x%04x, ip_xsum/hdr_len = 0x%04X, " 9968 "tcp_udp_xsum = 0x%04X\n", idx, 9969 l2fhdr->l2_fhdr_status, BCE_L2FHDR_PRINTFB, 9970 l2fhdr->l2_fhdr_pkt_len, l2fhdr->l2_fhdr_vlan_tag, 9971 l2fhdr->l2_fhdr_ip_xsum, l2fhdr->l2_fhdr_tcp_udp_xsum); 9972} 9973 9974/****************************************************************************/ 9975/* Prints out context memory info. (Only useful for CID 0 to 16.) */ 9976/* */ 9977/* Returns: */ 9978/* Nothing. */ 9979/****************************************************************************/ 9980static __attribute__ ((noinline)) void 9981bce_dump_ctx(struct bce_softc *sc, u16 cid) 9982{ 9983 if (cid > TX_CID) { 9984 BCE_PRINTF(" Unknown CID\n"); 9985 return; 9986 } 9987 9988 BCE_PRINTF( 9989 "----------------------------" 9990 " CTX Data " 9991 "----------------------------\n"); 9992 9993 BCE_PRINTF(" 0x%04X - (CID) Context ID\n", cid); 9994 9995 if (cid == RX_CID) { 9996 BCE_PRINTF(" 0x%08X - (L2CTX_RX_HOST_BDIDX) host rx " 9997 "producer index\n", 9998 CTX_RD(sc, GET_CID_ADDR(cid), BCE_L2CTX_RX_HOST_BDIDX)); 9999 BCE_PRINTF(" 0x%08X - (L2CTX_RX_HOST_BSEQ) host " 10000 "byte sequence\n", CTX_RD(sc, GET_CID_ADDR(cid), 10001 BCE_L2CTX_RX_HOST_BSEQ)); 10002 BCE_PRINTF(" 0x%08X - (L2CTX_RX_NX_BSEQ) h/w byte sequence\n", 10003 CTX_RD(sc, GET_CID_ADDR(cid), BCE_L2CTX_RX_NX_BSEQ)); 10004 BCE_PRINTF(" 0x%08X - (L2CTX_RX_NX_BDHADDR_HI) h/w buffer " 10005 "descriptor address\n", 10006 CTX_RD(sc, GET_CID_ADDR(cid), BCE_L2CTX_RX_NX_BDHADDR_HI)); 10007 BCE_PRINTF(" 0x%08X - (L2CTX_RX_NX_BDHADDR_LO) h/w buffer " 10008 "descriptor address\n", 10009 CTX_RD(sc, GET_CID_ADDR(cid), BCE_L2CTX_RX_NX_BDHADDR_LO)); 10010 BCE_PRINTF(" 0x%08X - (L2CTX_RX_NX_BDIDX) h/w rx consumer " 10011 "index\n", CTX_RD(sc, GET_CID_ADDR(cid), 10012 BCE_L2CTX_RX_NX_BDIDX)); 10013 BCE_PRINTF(" 0x%08X - (L2CTX_RX_HOST_PG_BDIDX) host page " 10014 "producer index\n", CTX_RD(sc, GET_CID_ADDR(cid), 10015 BCE_L2CTX_RX_HOST_PG_BDIDX)); 10016 BCE_PRINTF(" 0x%08X - (L2CTX_RX_PG_BUF_SIZE) host rx_bd/page " 10017 "buffer size\n", CTX_RD(sc, GET_CID_ADDR(cid), 10018 BCE_L2CTX_RX_PG_BUF_SIZE)); 10019 BCE_PRINTF(" 0x%08X - (L2CTX_RX_NX_PG_BDHADDR_HI) h/w page " 10020 "chain address\n", CTX_RD(sc, GET_CID_ADDR(cid), 10021 BCE_L2CTX_RX_NX_PG_BDHADDR_HI)); 10022 BCE_PRINTF(" 0x%08X - (L2CTX_RX_NX_PG_BDHADDR_LO) h/w page " 10023 "chain address\n", CTX_RD(sc, GET_CID_ADDR(cid), 10024 BCE_L2CTX_RX_NX_PG_BDHADDR_LO)); 10025 BCE_PRINTF(" 0x%08X - (L2CTX_RX_NX_PG_BDIDX) h/w page " 10026 "consumer index\n", CTX_RD(sc, GET_CID_ADDR(cid), 10027 BCE_L2CTX_RX_NX_PG_BDIDX)); 10028 } else if (cid == TX_CID) { 10029 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 10030 BCE_PRINTF(" 0x%08X - (L2CTX_TX_TYPE_XI) ctx type\n", 10031 CTX_RD(sc, GET_CID_ADDR(cid), 10032 BCE_L2CTX_TX_TYPE_XI)); 10033 BCE_PRINTF(" 0x%08X - (L2CTX_CMD_TX_TYPE_XI) ctx " 10034 "cmd\n", CTX_RD(sc, GET_CID_ADDR(cid), 10035 BCE_L2CTX_TX_CMD_TYPE_XI)); 10036 BCE_PRINTF(" 0x%08X - (L2CTX_TX_TBDR_BDHADDR_HI_XI) " 10037 "h/w buffer descriptor address\n", 10038 CTX_RD(sc, GET_CID_ADDR(cid), 10039 BCE_L2CTX_TX_TBDR_BHADDR_HI_XI)); 10040 BCE_PRINTF(" 0x%08X - (L2CTX_TX_TBDR_BHADDR_LO_XI) " 10041 "h/w buffer descriptor address\n", 10042 CTX_RD(sc, GET_CID_ADDR(cid), 10043 BCE_L2CTX_TX_TBDR_BHADDR_LO_XI)); 10044 BCE_PRINTF(" 0x%08X - (L2CTX_TX_HOST_BIDX_XI) " 10045 "host producer index\n", 10046 CTX_RD(sc, GET_CID_ADDR(cid), 10047 BCE_L2CTX_TX_HOST_BIDX_XI)); 10048 BCE_PRINTF(" 0x%08X - (L2CTX_TX_HOST_BSEQ_XI) " 10049 "host byte sequence\n", 10050 CTX_RD(sc, GET_CID_ADDR(cid), 10051 BCE_L2CTX_TX_HOST_BSEQ_XI)); 10052 } else { 10053 BCE_PRINTF(" 0x%08X - (L2CTX_TX_TYPE) ctx type\n", 10054 CTX_RD(sc, GET_CID_ADDR(cid), BCE_L2CTX_TX_TYPE)); 10055 BCE_PRINTF(" 0x%08X - (L2CTX_TX_CMD_TYPE) ctx cmd\n", 10056 CTX_RD(sc, GET_CID_ADDR(cid), 10057 BCE_L2CTX_TX_CMD_TYPE)); 10058 BCE_PRINTF(" 0x%08X - (L2CTX_TX_TBDR_BDHADDR_HI) " 10059 "h/w buffer descriptor address\n", 10060 CTX_RD(sc, GET_CID_ADDR(cid), 10061 BCE_L2CTX_TX_TBDR_BHADDR_HI)); 10062 BCE_PRINTF(" 0x%08X - (L2CTX_TX_TBDR_BHADDR_LO) " 10063 "h/w buffer descriptor address\n", 10064 CTX_RD(sc, GET_CID_ADDR(cid), 10065 BCE_L2CTX_TX_TBDR_BHADDR_LO)); 10066 BCE_PRINTF(" 0x%08X - (L2CTX_TX_HOST_BIDX) host " 10067 "producer index\n", CTX_RD(sc, GET_CID_ADDR(cid), 10068 BCE_L2CTX_TX_HOST_BIDX)); 10069 BCE_PRINTF(" 0x%08X - (L2CTX_TX_HOST_BSEQ) host byte " 10070 "sequence\n", CTX_RD(sc, GET_CID_ADDR(cid), 10071 BCE_L2CTX_TX_HOST_BSEQ)); 10072 } 10073 } 10074 10075 BCE_PRINTF( 10076 "----------------------------" 10077 " Raw CTX " 10078 "----------------------------\n"); 10079 10080 for (int i = 0x0; i < 0x300; i += 0x10) { 10081 BCE_PRINTF("0x%04X: 0x%08X 0x%08X 0x%08X 0x%08X\n", i, 10082 CTX_RD(sc, GET_CID_ADDR(cid), i), 10083 CTX_RD(sc, GET_CID_ADDR(cid), i + 0x4), 10084 CTX_RD(sc, GET_CID_ADDR(cid), i + 0x8), 10085 CTX_RD(sc, GET_CID_ADDR(cid), i + 0xc)); 10086 } 10087 10088 BCE_PRINTF( 10089 "----------------------------" 10090 "----------------" 10091 "----------------------------\n"); 10092} 10093 10094/****************************************************************************/ 10095/* Prints out the FTQ data. */ 10096/* */ 10097/* Returns: */ 10098/* Nothing. */ 10099/****************************************************************************/ 10100static __attribute__ ((noinline)) void 10101bce_dump_ftqs(struct bce_softc *sc) 10102{ 10103 u32 cmd, ctl, cur_depth, max_depth, valid_cnt, val; 10104 10105 BCE_PRINTF( 10106 "----------------------------" 10107 " FTQ Data " 10108 "----------------------------\n"); 10109 10110 BCE_PRINTF(" FTQ Command Control Depth_Now " 10111 "Max_Depth Valid_Cnt \n"); 10112 BCE_PRINTF(" ------- ---------- ---------- ---------- " 10113 "---------- ----------\n"); 10114 10115 /* Setup the generic statistic counters for the FTQ valid count. */ 10116 val = (BCE_HC_STAT_GEN_SEL_0_GEN_SEL_0_RV2PPQ_VALID_CNT << 24) | 10117 (BCE_HC_STAT_GEN_SEL_0_GEN_SEL_0_RXPCQ_VALID_CNT << 16) | 10118 (BCE_HC_STAT_GEN_SEL_0_GEN_SEL_0_RXPQ_VALID_CNT << 8) | 10119 (BCE_HC_STAT_GEN_SEL_0_GEN_SEL_0_RLUPQ_VALID_CNT); 10120 REG_WR(sc, BCE_HC_STAT_GEN_SEL_0, val); 10121 10122 val = (BCE_HC_STAT_GEN_SEL_0_GEN_SEL_0_TSCHQ_VALID_CNT << 24) | 10123 (BCE_HC_STAT_GEN_SEL_0_GEN_SEL_0_RDMAQ_VALID_CNT << 16) | 10124 (BCE_HC_STAT_GEN_SEL_0_GEN_SEL_0_RV2PTQ_VALID_CNT << 8) | 10125 (BCE_HC_STAT_GEN_SEL_0_GEN_SEL_0_RV2PMQ_VALID_CNT); 10126 REG_WR(sc, BCE_HC_STAT_GEN_SEL_1, val); 10127 10128 val = (BCE_HC_STAT_GEN_SEL_0_GEN_SEL_0_TPATQ_VALID_CNT << 24) | 10129 (BCE_HC_STAT_GEN_SEL_0_GEN_SEL_0_TDMAQ_VALID_CNT << 16) | 10130 (BCE_HC_STAT_GEN_SEL_0_GEN_SEL_0_TXPQ_VALID_CNT << 8) | 10131 (BCE_HC_STAT_GEN_SEL_0_GEN_SEL_0_TBDRQ_VALID_CNT); 10132 REG_WR(sc, BCE_HC_STAT_GEN_SEL_2, val); 10133 10134 val = (BCE_HC_STAT_GEN_SEL_0_GEN_SEL_0_COMQ_VALID_CNT << 24) | 10135 (BCE_HC_STAT_GEN_SEL_0_GEN_SEL_0_COMTQ_VALID_CNT << 16) | 10136 (BCE_HC_STAT_GEN_SEL_0_GEN_SEL_0_COMXQ_VALID_CNT << 8) | 10137 (BCE_HC_STAT_GEN_SEL_0_GEN_SEL_0_TASQ_VALID_CNT); 10138 REG_WR(sc, BCE_HC_STAT_GEN_SEL_3, val); 10139 10140 /* Input queue to the Receive Lookup state machine */ 10141 cmd = REG_RD(sc, BCE_RLUP_FTQ_CMD); 10142 ctl = REG_RD(sc, BCE_RLUP_FTQ_CTL); 10143 cur_depth = (ctl & BCE_RLUP_FTQ_CTL_CUR_DEPTH) >> 22; 10144 max_depth = (ctl & BCE_RLUP_FTQ_CTL_MAX_DEPTH) >> 12; 10145 valid_cnt = REG_RD(sc, BCE_HC_STAT_GEN_STAT0); 10146 BCE_PRINTF(" RLUP 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", 10147 cmd, ctl, cur_depth, max_depth, valid_cnt); 10148 10149 /* Input queue to the Receive Processor */ 10150 cmd = REG_RD_IND(sc, BCE_RXP_FTQ_CMD); 10151 ctl = REG_RD_IND(sc, BCE_RXP_FTQ_CTL); 10152 cur_depth = (ctl & BCE_RXP_FTQ_CTL_CUR_DEPTH) >> 22; 10153 max_depth = (ctl & BCE_RXP_FTQ_CTL_MAX_DEPTH) >> 12; 10154 valid_cnt = REG_RD(sc, BCE_HC_STAT_GEN_STAT1); 10155 BCE_PRINTF(" RXP 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", 10156 cmd, ctl, cur_depth, max_depth, valid_cnt); 10157 10158 /* Input queue to the Recevie Processor */ 10159 cmd = REG_RD_IND(sc, BCE_RXP_CFTQ_CMD); 10160 ctl = REG_RD_IND(sc, BCE_RXP_CFTQ_CTL); 10161 cur_depth = (ctl & BCE_RXP_CFTQ_CTL_CUR_DEPTH) >> 22; 10162 max_depth = (ctl & BCE_RXP_CFTQ_CTL_MAX_DEPTH) >> 12; 10163 valid_cnt = REG_RD(sc, BCE_HC_STAT_GEN_STAT2); 10164 BCE_PRINTF(" RXPC 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", 10165 cmd, ctl, cur_depth, max_depth, valid_cnt); 10166 10167 /* Input queue to the Receive Virtual to Physical state machine */ 10168 cmd = REG_RD(sc, BCE_RV2P_PFTQ_CMD); 10169 ctl = REG_RD(sc, BCE_RV2P_PFTQ_CTL); 10170 cur_depth = (ctl & BCE_RV2P_PFTQ_CTL_CUR_DEPTH) >> 22; 10171 max_depth = (ctl & BCE_RV2P_PFTQ_CTL_MAX_DEPTH) >> 12; 10172 valid_cnt = REG_RD(sc, BCE_HC_STAT_GEN_STAT3); 10173 BCE_PRINTF(" RV2PP 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", 10174 cmd, ctl, cur_depth, max_depth, valid_cnt); 10175 10176 /* Input queue to the Recevie Virtual to Physical state machine */ 10177 cmd = REG_RD(sc, BCE_RV2P_MFTQ_CMD); 10178 ctl = REG_RD(sc, BCE_RV2P_MFTQ_CTL); 10179 cur_depth = (ctl & BCE_RV2P_MFTQ_CTL_CUR_DEPTH) >> 22; 10180 max_depth = (ctl & BCE_RV2P_MFTQ_CTL_MAX_DEPTH) >> 12; 10181 valid_cnt = REG_RD(sc, BCE_HC_STAT_GEN_STAT4); 10182 BCE_PRINTF(" RV2PM 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", 10183 cmd, ctl, cur_depth, max_depth, valid_cnt); 10184 10185 /* Input queue to the Receive Virtual to Physical state machine */ 10186 cmd = REG_RD(sc, BCE_RV2P_TFTQ_CMD); 10187 ctl = REG_RD(sc, BCE_RV2P_TFTQ_CTL); 10188 cur_depth = (ctl & BCE_RV2P_TFTQ_CTL_CUR_DEPTH) >> 22; 10189 max_depth = (ctl & BCE_RV2P_TFTQ_CTL_MAX_DEPTH) >> 12; 10190 valid_cnt = REG_RD(sc, BCE_HC_STAT_GEN_STAT5); 10191 BCE_PRINTF(" RV2PT 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", 10192 cmd, ctl, cur_depth, max_depth, valid_cnt); 10193 10194 /* Input queue to the Receive DMA state machine */ 10195 cmd = REG_RD(sc, BCE_RDMA_FTQ_CMD); 10196 ctl = REG_RD(sc, BCE_RDMA_FTQ_CTL); 10197 cur_depth = (ctl & BCE_RDMA_FTQ_CTL_CUR_DEPTH) >> 22; 10198 max_depth = (ctl & BCE_RDMA_FTQ_CTL_MAX_DEPTH) >> 12; 10199 valid_cnt = REG_RD(sc, BCE_HC_STAT_GEN_STAT6); 10200 BCE_PRINTF(" RDMA 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", 10201 cmd, ctl, cur_depth, max_depth, valid_cnt); 10202 10203 /* Input queue to the Transmit Scheduler state machine */ 10204 cmd = REG_RD(sc, BCE_TSCH_FTQ_CMD); 10205 ctl = REG_RD(sc, BCE_TSCH_FTQ_CTL); 10206 cur_depth = (ctl & BCE_TSCH_FTQ_CTL_CUR_DEPTH) >> 22; 10207 max_depth = (ctl & BCE_TSCH_FTQ_CTL_MAX_DEPTH) >> 12; 10208 valid_cnt = REG_RD(sc, BCE_HC_STAT_GEN_STAT7); 10209 BCE_PRINTF(" TSCH 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", 10210 cmd, ctl, cur_depth, max_depth, valid_cnt); 10211 10212 /* Input queue to the Transmit Buffer Descriptor state machine */ 10213 cmd = REG_RD(sc, BCE_TBDR_FTQ_CMD); 10214 ctl = REG_RD(sc, BCE_TBDR_FTQ_CTL); 10215 cur_depth = (ctl & BCE_TBDR_FTQ_CTL_CUR_DEPTH) >> 22; 10216 max_depth = (ctl & BCE_TBDR_FTQ_CTL_MAX_DEPTH) >> 12; 10217 valid_cnt = REG_RD(sc, BCE_HC_STAT_GEN_STAT8); 10218 BCE_PRINTF(" TBDR 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", 10219 cmd, ctl, cur_depth, max_depth, valid_cnt); 10220 10221 /* Input queue to the Transmit Processor */ 10222 cmd = REG_RD_IND(sc, BCE_TXP_FTQ_CMD); 10223 ctl = REG_RD_IND(sc, BCE_TXP_FTQ_CTL); 10224 cur_depth = (ctl & BCE_TXP_FTQ_CTL_CUR_DEPTH) >> 22; 10225 max_depth = (ctl & BCE_TXP_FTQ_CTL_MAX_DEPTH) >> 12; 10226 valid_cnt = REG_RD(sc, BCE_HC_STAT_GEN_STAT9); 10227 BCE_PRINTF(" TXP 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", 10228 cmd, ctl, cur_depth, max_depth, valid_cnt); 10229 10230 /* Input queue to the Transmit DMA state machine */ 10231 cmd = REG_RD(sc, BCE_TDMA_FTQ_CMD); 10232 ctl = REG_RD(sc, BCE_TDMA_FTQ_CTL); 10233 cur_depth = (ctl & BCE_TDMA_FTQ_CTL_CUR_DEPTH) >> 22; 10234 max_depth = (ctl & BCE_TDMA_FTQ_CTL_MAX_DEPTH) >> 12; 10235 valid_cnt = REG_RD(sc, BCE_HC_STAT_GEN_STAT10); 10236 BCE_PRINTF(" TDMA 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", 10237 cmd, ctl, cur_depth, max_depth, valid_cnt); 10238 10239 /* Input queue to the Transmit Patch-Up Processor */ 10240 cmd = REG_RD_IND(sc, BCE_TPAT_FTQ_CMD); 10241 ctl = REG_RD_IND(sc, BCE_TPAT_FTQ_CTL); 10242 cur_depth = (ctl & BCE_TPAT_FTQ_CTL_CUR_DEPTH) >> 22; 10243 max_depth = (ctl & BCE_TPAT_FTQ_CTL_MAX_DEPTH) >> 12; 10244 valid_cnt = REG_RD(sc, BCE_HC_STAT_GEN_STAT11); 10245 BCE_PRINTF(" TPAT 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", 10246 cmd, ctl, cur_depth, max_depth, valid_cnt); 10247 10248 /* Input queue to the Transmit Assembler state machine */ 10249 cmd = REG_RD_IND(sc, BCE_TAS_FTQ_CMD); 10250 ctl = REG_RD_IND(sc, BCE_TAS_FTQ_CTL); 10251 cur_depth = (ctl & BCE_TAS_FTQ_CTL_CUR_DEPTH) >> 22; 10252 max_depth = (ctl & BCE_TAS_FTQ_CTL_MAX_DEPTH) >> 12; 10253 valid_cnt = REG_RD(sc, BCE_HC_STAT_GEN_STAT12); 10254 BCE_PRINTF(" TAS 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", 10255 cmd, ctl, cur_depth, max_depth, valid_cnt); 10256 10257 /* Input queue to the Completion Processor */ 10258 cmd = REG_RD_IND(sc, BCE_COM_COMXQ_FTQ_CMD); 10259 ctl = REG_RD_IND(sc, BCE_COM_COMXQ_FTQ_CTL); 10260 cur_depth = (ctl & BCE_COM_COMXQ_FTQ_CTL_CUR_DEPTH) >> 22; 10261 max_depth = (ctl & BCE_COM_COMXQ_FTQ_CTL_MAX_DEPTH) >> 12; 10262 valid_cnt = REG_RD(sc, BCE_HC_STAT_GEN_STAT13); 10263 BCE_PRINTF(" COMX 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", 10264 cmd, ctl, cur_depth, max_depth, valid_cnt); 10265 10266 /* Input queue to the Completion Processor */ 10267 cmd = REG_RD_IND(sc, BCE_COM_COMTQ_FTQ_CMD); 10268 ctl = REG_RD_IND(sc, BCE_COM_COMTQ_FTQ_CTL); 10269 cur_depth = (ctl & BCE_COM_COMTQ_FTQ_CTL_CUR_DEPTH) >> 22; 10270 max_depth = (ctl & BCE_COM_COMTQ_FTQ_CTL_MAX_DEPTH) >> 12; 10271 valid_cnt = REG_RD(sc, BCE_HC_STAT_GEN_STAT14); 10272 BCE_PRINTF(" COMT 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", 10273 cmd, ctl, cur_depth, max_depth, valid_cnt); 10274 10275 /* Input queue to the Completion Processor */ 10276 cmd = REG_RD_IND(sc, BCE_COM_COMQ_FTQ_CMD); 10277 ctl = REG_RD_IND(sc, BCE_COM_COMQ_FTQ_CTL); 10278 cur_depth = (ctl & BCE_COM_COMQ_FTQ_CTL_CUR_DEPTH) >> 22; 10279 max_depth = (ctl & BCE_COM_COMQ_FTQ_CTL_MAX_DEPTH) >> 12; 10280 valid_cnt = REG_RD(sc, BCE_HC_STAT_GEN_STAT15); 10281 BCE_PRINTF(" COMX 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", 10282 cmd, ctl, cur_depth, max_depth, valid_cnt); 10283 10284 /* Setup the generic statistic counters for the FTQ valid count. */ 10285 val = (BCE_HC_STAT_GEN_SEL_0_GEN_SEL_0_CSQ_VALID_CNT << 16) | 10286 (BCE_HC_STAT_GEN_SEL_0_GEN_SEL_0_CPQ_VALID_CNT << 8) | 10287 (BCE_HC_STAT_GEN_SEL_0_GEN_SEL_0_MGMQ_VALID_CNT); 10288 10289 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) 10290 val = val | 10291 (BCE_HC_STAT_GEN_SEL_0_GEN_SEL_0_RV2PCSQ_VALID_CNT_XI << 10292 24); 10293 REG_WR(sc, BCE_HC_STAT_GEN_SEL_0, val); 10294 10295 /* Input queue to the Management Control Processor */ 10296 cmd = REG_RD_IND(sc, BCE_MCP_MCPQ_FTQ_CMD); 10297 ctl = REG_RD_IND(sc, BCE_MCP_MCPQ_FTQ_CTL); 10298 cur_depth = (ctl & BCE_MCP_MCPQ_FTQ_CTL_CUR_DEPTH) >> 22; 10299 max_depth = (ctl & BCE_MCP_MCPQ_FTQ_CTL_MAX_DEPTH) >> 12; 10300 valid_cnt = REG_RD(sc, BCE_HC_STAT_GEN_STAT0); 10301 BCE_PRINTF(" MCP 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", 10302 cmd, ctl, cur_depth, max_depth, valid_cnt); 10303 10304 /* Input queue to the Command Processor */ 10305 cmd = REG_RD_IND(sc, BCE_CP_CPQ_FTQ_CMD); 10306 ctl = REG_RD_IND(sc, BCE_CP_CPQ_FTQ_CTL); 10307 cur_depth = (ctl & BCE_CP_CPQ_FTQ_CTL_CUR_DEPTH) >> 22; 10308 max_depth = (ctl & BCE_CP_CPQ_FTQ_CTL_MAX_DEPTH) >> 12; 10309 valid_cnt = REG_RD(sc, BCE_HC_STAT_GEN_STAT1); 10310 BCE_PRINTF(" CP 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", 10311 cmd, ctl, cur_depth, max_depth, valid_cnt); 10312 10313 /* Input queue to the Completion Scheduler state machine */ 10314 cmd = REG_RD(sc, BCE_CSCH_CH_FTQ_CMD); 10315 ctl = REG_RD(sc, BCE_CSCH_CH_FTQ_CTL); 10316 cur_depth = (ctl & BCE_CSCH_CH_FTQ_CTL_CUR_DEPTH) >> 22; 10317 max_depth = (ctl & BCE_CSCH_CH_FTQ_CTL_MAX_DEPTH) >> 12; 10318 valid_cnt = REG_RD(sc, BCE_HC_STAT_GEN_STAT2); 10319 BCE_PRINTF(" CS 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", 10320 cmd, ctl, cur_depth, max_depth, valid_cnt); 10321 10322 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) { 10323 /* Input queue to the RV2P Command Scheduler */ 10324 cmd = REG_RD(sc, BCE_RV2PCSR_FTQ_CMD); 10325 ctl = REG_RD(sc, BCE_RV2PCSR_FTQ_CTL); 10326 cur_depth = (ctl & 0xFFC00000) >> 22; 10327 max_depth = (ctl & 0x003FF000) >> 12; 10328 valid_cnt = REG_RD(sc, BCE_HC_STAT_GEN_STAT3); 10329 BCE_PRINTF(" RV2PCSR 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", 10330 cmd, ctl, cur_depth, max_depth, valid_cnt); 10331 } 10332 10333 BCE_PRINTF( 10334 "----------------------------" 10335 "----------------" 10336 "----------------------------\n"); 10337} 10338 10339/****************************************************************************/ 10340/* Prints out the TX chain. */ 10341/* */ 10342/* Returns: */ 10343/* Nothing. */ 10344/****************************************************************************/ 10345static __attribute__ ((noinline)) void 10346bce_dump_tx_chain(struct bce_softc *sc, u16 tx_prod, int count) 10347{ 10348 struct tx_bd *txbd; 10349 10350 /* First some info about the tx_bd chain structure. */ 10351 BCE_PRINTF( 10352 "----------------------------" 10353 " tx_bd chain " 10354 "----------------------------\n"); 10355 10356 BCE_PRINTF("page size = 0x%08X, tx chain pages = 0x%08X\n", 10357 (u32) BCM_PAGE_SIZE, (u32) sc->tx_pages); 10358 BCE_PRINTF("tx_bd per page = 0x%08X, usable tx_bd per page = 0x%08X\n", 10359 (u32) TOTAL_TX_BD_PER_PAGE, (u32) USABLE_TX_BD_PER_PAGE); 10360 BCE_PRINTF("total tx_bd = 0x%08X\n", (u32) TOTAL_TX_BD_ALLOC); 10361 10362 BCE_PRINTF( 10363 "----------------------------" 10364 " tx_bd data " 10365 "----------------------------\n"); 10366 10367 /* Now print out a decoded list of TX buffer descriptors. */ 10368 for (int i = 0; i < count; i++) { 10369 txbd = &sc->tx_bd_chain[TX_PAGE(tx_prod)][TX_IDX(tx_prod)]; 10370 bce_dump_txbd(sc, tx_prod, txbd); 10371 tx_prod++; 10372 } 10373 10374 BCE_PRINTF( 10375 "----------------------------" 10376 "----------------" 10377 "----------------------------\n"); 10378} 10379 10380/****************************************************************************/ 10381/* Prints out the RX chain. */ 10382/* */ 10383/* Returns: */ 10384/* Nothing. */ 10385/****************************************************************************/ 10386static __attribute__ ((noinline)) void 10387bce_dump_rx_bd_chain(struct bce_softc *sc, u16 rx_prod, int count) 10388{ 10389 struct rx_bd *rxbd; 10390 10391 /* First some info about the rx_bd chain structure. */ 10392 BCE_PRINTF( 10393 "----------------------------" 10394 " rx_bd chain " 10395 "----------------------------\n"); 10396 10397 BCE_PRINTF("page size = 0x%08X, rx chain pages = 0x%08X\n", 10398 (u32) BCM_PAGE_SIZE, (u32) sc->rx_pages); 10399 10400 BCE_PRINTF("rx_bd per page = 0x%08X, usable rx_bd per page = 0x%08X\n", 10401 (u32) TOTAL_RX_BD_PER_PAGE, (u32) USABLE_RX_BD_PER_PAGE); 10402 10403 BCE_PRINTF("total rx_bd = 0x%08X\n", (u32) TOTAL_RX_BD_ALLOC); 10404 10405 BCE_PRINTF( 10406 "----------------------------" 10407 " rx_bd data " 10408 "----------------------------\n"); 10409 10410 /* Now print out the rx_bd's themselves. */ 10411 for (int i = 0; i < count; i++) { 10412 rxbd = &sc->rx_bd_chain[RX_PAGE(rx_prod)][RX_IDX(rx_prod)]; 10413 bce_dump_rxbd(sc, rx_prod, rxbd); 10414 rx_prod = RX_CHAIN_IDX(rx_prod + 1); 10415 } 10416 10417 BCE_PRINTF( 10418 "----------------------------" 10419 "----------------" 10420 "----------------------------\n"); 10421} 10422 10423/****************************************************************************/ 10424/* Prints out the page chain. */ 10425/* */ 10426/* Returns: */ 10427/* Nothing. */ 10428/****************************************************************************/ 10429static __attribute__ ((noinline)) void 10430bce_dump_pg_chain(struct bce_softc *sc, u16 pg_prod, int count) 10431{ 10432 struct rx_bd *pgbd; 10433 10434 /* First some info about the page chain structure. */ 10435 BCE_PRINTF( 10436 "----------------------------" 10437 " page chain " 10438 "----------------------------\n"); 10439 10440 BCE_PRINTF("page size = 0x%08X, pg chain pages = 0x%08X\n", 10441 (u32) BCM_PAGE_SIZE, (u32) sc->pg_pages); 10442 10443 BCE_PRINTF("rx_bd per page = 0x%08X, usable rx_bd per page = 0x%08X\n", 10444 (u32) TOTAL_PG_BD_PER_PAGE, (u32) USABLE_PG_BD_PER_PAGE); 10445 10446 BCE_PRINTF("total pg_bd = 0x%08X\n", (u32) TOTAL_PG_BD_ALLOC); 10447 10448 BCE_PRINTF( 10449 "----------------------------" 10450 " page data " 10451 "----------------------------\n"); 10452 10453 /* Now print out the rx_bd's themselves. */ 10454 for (int i = 0; i < count; i++) { 10455 pgbd = &sc->pg_bd_chain[PG_PAGE(pg_prod)][PG_IDX(pg_prod)]; 10456 bce_dump_pgbd(sc, pg_prod, pgbd); 10457 pg_prod = PG_CHAIN_IDX(pg_prod + 1); 10458 } 10459 10460 BCE_PRINTF( 10461 "----------------------------" 10462 "----------------" 10463 "----------------------------\n"); 10464} 10465 10466#define BCE_PRINT_RX_CONS(arg) \ 10467if (sblk->status_rx_quick_consumer_index##arg) \ 10468 BCE_PRINTF("0x%04X(0x%04X) - rx_quick_consumer_index%d\n", \ 10469 sblk->status_rx_quick_consumer_index##arg, (u16) \ 10470 RX_CHAIN_IDX(sblk->status_rx_quick_consumer_index##arg), \ 10471 arg); 10472 10473#define BCE_PRINT_TX_CONS(arg) \ 10474if (sblk->status_tx_quick_consumer_index##arg) \ 10475 BCE_PRINTF("0x%04X(0x%04X) - tx_quick_consumer_index%d\n", \ 10476 sblk->status_tx_quick_consumer_index##arg, (u16) \ 10477 TX_CHAIN_IDX(sblk->status_tx_quick_consumer_index##arg), \ 10478 arg); 10479 10480/****************************************************************************/ 10481/* Prints out the status block from host memory. */ 10482/* */ 10483/* Returns: */ 10484/* Nothing. */ 10485/****************************************************************************/ 10486static __attribute__ ((noinline)) void 10487bce_dump_status_block(struct bce_softc *sc) 10488{ 10489 struct status_block *sblk; 10490 10491 bus_dmamap_sync(sc->status_tag, sc->status_map, BUS_DMASYNC_POSTREAD); 10492 10493 sblk = sc->status_block; 10494 10495 BCE_PRINTF( 10496 "----------------------------" 10497 " Status Block " 10498 "----------------------------\n"); 10499 10500 /* Theses indices are used for normal L2 drivers. */ 10501 BCE_PRINTF(" 0x%08X - attn_bits\n", 10502 sblk->status_attn_bits); 10503 10504 BCE_PRINTF(" 0x%08X - attn_bits_ack\n", 10505 sblk->status_attn_bits_ack); 10506 10507 BCE_PRINT_RX_CONS(0); 10508 BCE_PRINT_TX_CONS(0) 10509 10510 BCE_PRINTF(" 0x%04X - status_idx\n", sblk->status_idx); 10511 10512 /* Theses indices are not used for normal L2 drivers. */ 10513 BCE_PRINT_RX_CONS(1); BCE_PRINT_RX_CONS(2); BCE_PRINT_RX_CONS(3); 10514 BCE_PRINT_RX_CONS(4); BCE_PRINT_RX_CONS(5); BCE_PRINT_RX_CONS(6); 10515 BCE_PRINT_RX_CONS(7); BCE_PRINT_RX_CONS(8); BCE_PRINT_RX_CONS(9); 10516 BCE_PRINT_RX_CONS(10); BCE_PRINT_RX_CONS(11); BCE_PRINT_RX_CONS(12); 10517 BCE_PRINT_RX_CONS(13); BCE_PRINT_RX_CONS(14); BCE_PRINT_RX_CONS(15); 10518 10519 BCE_PRINT_TX_CONS(1); BCE_PRINT_TX_CONS(2); BCE_PRINT_TX_CONS(3); 10520 10521 if (sblk->status_completion_producer_index || 10522 sblk->status_cmd_consumer_index) 10523 BCE_PRINTF("com_prod = 0x%08X, cmd_cons = 0x%08X\n", 10524 sblk->status_completion_producer_index, 10525 sblk->status_cmd_consumer_index); 10526 10527 BCE_PRINTF( 10528 "----------------------------" 10529 "----------------" 10530 "----------------------------\n"); 10531} 10532 10533#define BCE_PRINT_64BIT_STAT(arg) \ 10534if (sblk->arg##_lo || sblk->arg##_hi) \ 10535 BCE_PRINTF("0x%08X:%08X : %s\n", sblk->arg##_hi, \ 10536 sblk->arg##_lo, #arg); 10537 10538#define BCE_PRINT_32BIT_STAT(arg) \ 10539if (sblk->arg) \ 10540 BCE_PRINTF(" 0x%08X : %s\n", \ 10541 sblk->arg, #arg); 10542 10543/****************************************************************************/ 10544/* Prints out the statistics block from host memory. */ 10545/* */ 10546/* Returns: */ 10547/* Nothing. */ 10548/****************************************************************************/ 10549static __attribute__ ((noinline)) void 10550bce_dump_stats_block(struct bce_softc *sc) 10551{ 10552 struct statistics_block *sblk; 10553 10554 bus_dmamap_sync(sc->stats_tag, sc->stats_map, BUS_DMASYNC_POSTREAD); 10555 10556 sblk = sc->stats_block; 10557 10558 BCE_PRINTF( 10559 "---------------" 10560 " Stats Block (All Stats Not Shown Are 0) " 10561 "---------------\n"); 10562 10563 BCE_PRINT_64BIT_STAT(stat_IfHCInOctets); 10564 BCE_PRINT_64BIT_STAT(stat_IfHCInBadOctets); 10565 BCE_PRINT_64BIT_STAT(stat_IfHCOutOctets); 10566 BCE_PRINT_64BIT_STAT(stat_IfHCOutBadOctets); 10567 BCE_PRINT_64BIT_STAT(stat_IfHCInUcastPkts); 10568 BCE_PRINT_64BIT_STAT(stat_IfHCInBroadcastPkts); 10569 BCE_PRINT_64BIT_STAT(stat_IfHCInMulticastPkts); 10570 BCE_PRINT_64BIT_STAT(stat_IfHCOutUcastPkts); 10571 BCE_PRINT_64BIT_STAT(stat_IfHCOutBroadcastPkts); 10572 BCE_PRINT_64BIT_STAT(stat_IfHCOutMulticastPkts); 10573 BCE_PRINT_32BIT_STAT( 10574 stat_emac_tx_stat_dot3statsinternalmactransmiterrors); 10575 BCE_PRINT_32BIT_STAT(stat_Dot3StatsCarrierSenseErrors); 10576 BCE_PRINT_32BIT_STAT(stat_Dot3StatsFCSErrors); 10577 BCE_PRINT_32BIT_STAT(stat_Dot3StatsAlignmentErrors); 10578 BCE_PRINT_32BIT_STAT(stat_Dot3StatsSingleCollisionFrames); 10579 BCE_PRINT_32BIT_STAT(stat_Dot3StatsMultipleCollisionFrames); 10580 BCE_PRINT_32BIT_STAT(stat_Dot3StatsDeferredTransmissions); 10581 BCE_PRINT_32BIT_STAT(stat_Dot3StatsExcessiveCollisions); 10582 BCE_PRINT_32BIT_STAT(stat_Dot3StatsLateCollisions); 10583 BCE_PRINT_32BIT_STAT(stat_EtherStatsCollisions); 10584 BCE_PRINT_32BIT_STAT(stat_EtherStatsFragments); 10585 BCE_PRINT_32BIT_STAT(stat_EtherStatsJabbers); 10586 BCE_PRINT_32BIT_STAT(stat_EtherStatsUndersizePkts); 10587 BCE_PRINT_32BIT_STAT(stat_EtherStatsOversizePkts); 10588 BCE_PRINT_32BIT_STAT(stat_EtherStatsPktsRx64Octets); 10589 BCE_PRINT_32BIT_STAT(stat_EtherStatsPktsRx65Octetsto127Octets); 10590 BCE_PRINT_32BIT_STAT(stat_EtherStatsPktsRx128Octetsto255Octets); 10591 BCE_PRINT_32BIT_STAT(stat_EtherStatsPktsRx256Octetsto511Octets); 10592 BCE_PRINT_32BIT_STAT(stat_EtherStatsPktsRx512Octetsto1023Octets); 10593 BCE_PRINT_32BIT_STAT(stat_EtherStatsPktsRx1024Octetsto1522Octets); 10594 BCE_PRINT_32BIT_STAT(stat_EtherStatsPktsRx1523Octetsto9022Octets); 10595 BCE_PRINT_32BIT_STAT(stat_EtherStatsPktsTx64Octets); 10596 BCE_PRINT_32BIT_STAT(stat_EtherStatsPktsTx65Octetsto127Octets); 10597 BCE_PRINT_32BIT_STAT(stat_EtherStatsPktsTx128Octetsto255Octets); 10598 BCE_PRINT_32BIT_STAT(stat_EtherStatsPktsTx256Octetsto511Octets); 10599 BCE_PRINT_32BIT_STAT(stat_EtherStatsPktsTx512Octetsto1023Octets); 10600 BCE_PRINT_32BIT_STAT(stat_EtherStatsPktsTx1024Octetsto1522Octets); 10601 BCE_PRINT_32BIT_STAT(stat_EtherStatsPktsTx1523Octetsto9022Octets); 10602 BCE_PRINT_32BIT_STAT(stat_XonPauseFramesReceived); 10603 BCE_PRINT_32BIT_STAT(stat_XoffPauseFramesReceived); 10604 BCE_PRINT_32BIT_STAT(stat_OutXonSent); 10605 BCE_PRINT_32BIT_STAT(stat_OutXoffSent); 10606 BCE_PRINT_32BIT_STAT(stat_FlowControlDone); 10607 BCE_PRINT_32BIT_STAT(stat_MacControlFramesReceived); 10608 BCE_PRINT_32BIT_STAT(stat_XoffStateEntered); 10609 BCE_PRINT_32BIT_STAT(stat_IfInFramesL2FilterDiscards); 10610 BCE_PRINT_32BIT_STAT(stat_IfInRuleCheckerDiscards); 10611 BCE_PRINT_32BIT_STAT(stat_IfInFTQDiscards); 10612 BCE_PRINT_32BIT_STAT(stat_IfInMBUFDiscards); 10613 BCE_PRINT_32BIT_STAT(stat_IfInRuleCheckerP4Hit); 10614 BCE_PRINT_32BIT_STAT(stat_CatchupInRuleCheckerDiscards); 10615 BCE_PRINT_32BIT_STAT(stat_CatchupInFTQDiscards); 10616 BCE_PRINT_32BIT_STAT(stat_CatchupInMBUFDiscards); 10617 BCE_PRINT_32BIT_STAT(stat_CatchupInRuleCheckerP4Hit); 10618 10619 BCE_PRINTF( 10620 "----------------------------" 10621 "----------------" 10622 "----------------------------\n"); 10623} 10624 10625/****************************************************************************/ 10626/* Prints out a summary of the driver state. */ 10627/* */ 10628/* Returns: */ 10629/* Nothing. */ 10630/****************************************************************************/ 10631static __attribute__ ((noinline)) void 10632bce_dump_driver_state(struct bce_softc *sc) 10633{ 10634 u32 val_hi, val_lo; 10635 10636 BCE_PRINTF( 10637 "-----------------------------" 10638 " Driver State " 10639 "-----------------------------\n"); 10640 10641 val_hi = BCE_ADDR_HI(sc); 10642 val_lo = BCE_ADDR_LO(sc); 10643 BCE_PRINTF("0x%08X:%08X - (sc) driver softc structure virtual " 10644 "address\n", val_hi, val_lo); 10645 10646 val_hi = BCE_ADDR_HI(sc->bce_vhandle); 10647 val_lo = BCE_ADDR_LO(sc->bce_vhandle); 10648 BCE_PRINTF("0x%08X:%08X - (sc->bce_vhandle) PCI BAR virtual " 10649 "address\n", val_hi, val_lo); 10650 10651 val_hi = BCE_ADDR_HI(sc->status_block); 10652 val_lo = BCE_ADDR_LO(sc->status_block); 10653 BCE_PRINTF("0x%08X:%08X - (sc->status_block) status block " 10654 "virtual address\n", val_hi, val_lo); 10655 10656 val_hi = BCE_ADDR_HI(sc->stats_block); 10657 val_lo = BCE_ADDR_LO(sc->stats_block); 10658 BCE_PRINTF("0x%08X:%08X - (sc->stats_block) statistics block " 10659 "virtual address\n", val_hi, val_lo); 10660 10661 val_hi = BCE_ADDR_HI(sc->tx_bd_chain); 10662 val_lo = BCE_ADDR_LO(sc->tx_bd_chain); 10663 BCE_PRINTF("0x%08X:%08X - (sc->tx_bd_chain) tx_bd chain " 10664 "virtual address\n", val_hi, val_lo); 10665 10666 val_hi = BCE_ADDR_HI(sc->rx_bd_chain); 10667 val_lo = BCE_ADDR_LO(sc->rx_bd_chain); 10668 BCE_PRINTF("0x%08X:%08X - (sc->rx_bd_chain) rx_bd chain " 10669 "virtual address\n", val_hi, val_lo); 10670 10671 if (bce_hdr_split == TRUE) { 10672 val_hi = BCE_ADDR_HI(sc->pg_bd_chain); 10673 val_lo = BCE_ADDR_LO(sc->pg_bd_chain); 10674 BCE_PRINTF("0x%08X:%08X - (sc->pg_bd_chain) page chain " 10675 "virtual address\n", val_hi, val_lo); 10676 } 10677 10678 val_hi = BCE_ADDR_HI(sc->tx_mbuf_ptr); 10679 val_lo = BCE_ADDR_LO(sc->tx_mbuf_ptr); 10680 BCE_PRINTF("0x%08X:%08X - (sc->tx_mbuf_ptr) tx mbuf chain " 10681 "virtual address\n", val_hi, val_lo); 10682 10683 val_hi = BCE_ADDR_HI(sc->rx_mbuf_ptr); 10684 val_lo = BCE_ADDR_LO(sc->rx_mbuf_ptr); 10685 BCE_PRINTF("0x%08X:%08X - (sc->rx_mbuf_ptr) rx mbuf chain " 10686 "virtual address\n", val_hi, val_lo); 10687 10688 if (bce_hdr_split == TRUE) { 10689 val_hi = BCE_ADDR_HI(sc->pg_mbuf_ptr); 10690 val_lo = BCE_ADDR_LO(sc->pg_mbuf_ptr); 10691 BCE_PRINTF("0x%08X:%08X - (sc->pg_mbuf_ptr) page mbuf chain " 10692 "virtual address\n", val_hi, val_lo); 10693 } 10694 10695 BCE_PRINTF(" 0x%016llX - (sc->interrupts_generated) " 10696 "h/w intrs\n", 10697 (long long unsigned int) sc->interrupts_generated); 10698 10699 BCE_PRINTF(" 0x%016llX - (sc->interrupts_rx) " 10700 "rx interrupts handled\n", 10701 (long long unsigned int) sc->interrupts_rx); 10702 10703 BCE_PRINTF(" 0x%016llX - (sc->interrupts_tx) " 10704 "tx interrupts handled\n", 10705 (long long unsigned int) sc->interrupts_tx); 10706 10707 BCE_PRINTF(" 0x%016llX - (sc->phy_interrupts) " 10708 "phy interrupts handled\n", 10709 (long long unsigned int) sc->phy_interrupts); 10710 10711 BCE_PRINTF(" 0x%08X - (sc->last_status_idx) " 10712 "status block index\n", sc->last_status_idx); 10713 10714 BCE_PRINTF(" 0x%04X(0x%04X) - (sc->tx_prod) tx producer " 10715 "index\n", sc->tx_prod, (u16) TX_CHAIN_IDX(sc->tx_prod)); 10716 10717 BCE_PRINTF(" 0x%04X(0x%04X) - (sc->tx_cons) tx consumer " 10718 "index\n", sc->tx_cons, (u16) TX_CHAIN_IDX(sc->tx_cons)); 10719 10720 BCE_PRINTF(" 0x%08X - (sc->tx_prod_bseq) tx producer " 10721 "byte seq index\n", sc->tx_prod_bseq); 10722 10723 BCE_PRINTF(" 0x%08X - (sc->debug_tx_mbuf_alloc) tx " 10724 "mbufs allocated\n", sc->debug_tx_mbuf_alloc); 10725 10726 BCE_PRINTF(" 0x%08X - (sc->used_tx_bd) used " 10727 "tx_bd's\n", sc->used_tx_bd); 10728 10729 BCE_PRINTF(" 0x%04X/0x%04X - (sc->tx_hi_watermark)/" 10730 "(sc->max_tx_bd)\n", sc->tx_hi_watermark, sc->max_tx_bd); 10731 10732 BCE_PRINTF(" 0x%04X(0x%04X) - (sc->rx_prod) rx producer " 10733 "index\n", sc->rx_prod, (u16) RX_CHAIN_IDX(sc->rx_prod)); 10734 10735 BCE_PRINTF(" 0x%04X(0x%04X) - (sc->rx_cons) rx consumer " 10736 "index\n", sc->rx_cons, (u16) RX_CHAIN_IDX(sc->rx_cons)); 10737 10738 BCE_PRINTF(" 0x%08X - (sc->rx_prod_bseq) rx producer " 10739 "byte seq index\n", sc->rx_prod_bseq); 10740 10741 BCE_PRINTF(" 0x%04X/0x%04X - (sc->rx_low_watermark)/" 10742 "(sc->max_rx_bd)\n", sc->rx_low_watermark, sc->max_rx_bd); 10743 10744 BCE_PRINTF(" 0x%08X - (sc->debug_rx_mbuf_alloc) rx " 10745 "mbufs allocated\n", sc->debug_rx_mbuf_alloc); 10746 10747 BCE_PRINTF(" 0x%08X - (sc->free_rx_bd) free " 10748 "rx_bd's\n", sc->free_rx_bd); 10749 10750 if (bce_hdr_split == TRUE) { 10751 BCE_PRINTF(" 0x%04X(0x%04X) - (sc->pg_prod) page producer " 10752 "index\n", sc->pg_prod, (u16) PG_CHAIN_IDX(sc->pg_prod)); 10753 10754 BCE_PRINTF(" 0x%04X(0x%04X) - (sc->pg_cons) page consumer " 10755 "index\n", sc->pg_cons, (u16) PG_CHAIN_IDX(sc->pg_cons)); 10756 10757 BCE_PRINTF(" 0x%08X - (sc->debug_pg_mbuf_alloc) page " 10758 "mbufs allocated\n", sc->debug_pg_mbuf_alloc); 10759 } 10760 10761 BCE_PRINTF(" 0x%08X - (sc->free_pg_bd) free page " 10762 "rx_bd's\n", sc->free_pg_bd); 10763 10764 BCE_PRINTF(" 0x%04X/0x%04X - (sc->pg_low_watermark)/" 10765 "(sc->max_pg_bd)\n", sc->pg_low_watermark, sc->max_pg_bd); 10766 10767 BCE_PRINTF(" 0x%08X - (sc->mbuf_alloc_failed_count) " 10768 "mbuf alloc failures\n", sc->mbuf_alloc_failed_count); 10769 10770 BCE_PRINTF(" 0x%08X - (sc->bce_flags) " 10771 "bce mac flags\n", sc->bce_flags); 10772 10773 BCE_PRINTF(" 0x%08X - (sc->bce_phy_flags) " 10774 "bce phy flags\n", sc->bce_phy_flags); 10775 10776 BCE_PRINTF( 10777 "----------------------------" 10778 "----------------" 10779 "----------------------------\n"); 10780} 10781 10782/****************************************************************************/ 10783/* Prints out the hardware state through a summary of important register, */ 10784/* followed by a complete register dump. */ 10785/* */ 10786/* Returns: */ 10787/* Nothing. */ 10788/****************************************************************************/ 10789static __attribute__ ((noinline)) void 10790bce_dump_hw_state(struct bce_softc *sc) 10791{ 10792 u32 val; 10793 10794 BCE_PRINTF( 10795 "----------------------------" 10796 " Hardware State " 10797 "----------------------------\n"); 10798 10799 BCE_PRINTF("%s - bootcode version\n", sc->bce_bc_ver); 10800 10801 val = REG_RD(sc, BCE_MISC_ENABLE_STATUS_BITS); 10802 BCE_PRINTF("0x%08X - (0x%06X) misc_enable_status_bits\n", 10803 val, BCE_MISC_ENABLE_STATUS_BITS); 10804 10805 val = REG_RD(sc, BCE_DMA_STATUS); 10806 BCE_PRINTF("0x%08X - (0x%06X) dma_status\n", 10807 val, BCE_DMA_STATUS); 10808 10809 val = REG_RD(sc, BCE_CTX_STATUS); 10810 BCE_PRINTF("0x%08X - (0x%06X) ctx_status\n", 10811 val, BCE_CTX_STATUS); 10812 10813 val = REG_RD(sc, BCE_EMAC_STATUS); 10814 BCE_PRINTF("0x%08X - (0x%06X) emac_status\n", 10815 val, BCE_EMAC_STATUS); 10816 10817 val = REG_RD(sc, BCE_RPM_STATUS); 10818 BCE_PRINTF("0x%08X - (0x%06X) rpm_status\n", 10819 val, BCE_RPM_STATUS); 10820 10821 /* ToDo: Create a #define for this constant. */ 10822 val = REG_RD(sc, 0x2004); 10823 BCE_PRINTF("0x%08X - (0x%06X) rlup_status\n", 10824 val, 0x2004); 10825 10826 val = REG_RD(sc, BCE_RV2P_STATUS); 10827 BCE_PRINTF("0x%08X - (0x%06X) rv2p_status\n", 10828 val, BCE_RV2P_STATUS); 10829 10830 /* ToDo: Create a #define for this constant. */ 10831 val = REG_RD(sc, 0x2c04); 10832 BCE_PRINTF("0x%08X - (0x%06X) rdma_status\n", 10833 val, 0x2c04); 10834 10835 val = REG_RD(sc, BCE_TBDR_STATUS); 10836 BCE_PRINTF("0x%08X - (0x%06X) tbdr_status\n", 10837 val, BCE_TBDR_STATUS); 10838 10839 val = REG_RD(sc, BCE_TDMA_STATUS); 10840 BCE_PRINTF("0x%08X - (0x%06X) tdma_status\n", 10841 val, BCE_TDMA_STATUS); 10842 10843 val = REG_RD(sc, BCE_HC_STATUS); 10844 BCE_PRINTF("0x%08X - (0x%06X) hc_status\n", 10845 val, BCE_HC_STATUS); 10846 10847 val = REG_RD_IND(sc, BCE_TXP_CPU_STATE); 10848 BCE_PRINTF("0x%08X - (0x%06X) txp_cpu_state\n", 10849 val, BCE_TXP_CPU_STATE); 10850 10851 val = REG_RD_IND(sc, BCE_TPAT_CPU_STATE); 10852 BCE_PRINTF("0x%08X - (0x%06X) tpat_cpu_state\n", 10853 val, BCE_TPAT_CPU_STATE); 10854 10855 val = REG_RD_IND(sc, BCE_RXP_CPU_STATE); 10856 BCE_PRINTF("0x%08X - (0x%06X) rxp_cpu_state\n", 10857 val, BCE_RXP_CPU_STATE); 10858 10859 val = REG_RD_IND(sc, BCE_COM_CPU_STATE); 10860 BCE_PRINTF("0x%08X - (0x%06X) com_cpu_state\n", 10861 val, BCE_COM_CPU_STATE); 10862 10863 val = REG_RD_IND(sc, BCE_MCP_CPU_STATE); 10864 BCE_PRINTF("0x%08X - (0x%06X) mcp_cpu_state\n", 10865 val, BCE_MCP_CPU_STATE); 10866 10867 val = REG_RD_IND(sc, BCE_CP_CPU_STATE); 10868 BCE_PRINTF("0x%08X - (0x%06X) cp_cpu_state\n", 10869 val, BCE_CP_CPU_STATE); 10870 10871 BCE_PRINTF( 10872 "----------------------------" 10873 "----------------" 10874 "----------------------------\n"); 10875 10876 BCE_PRINTF( 10877 "----------------------------" 10878 " Register Dump " 10879 "----------------------------\n"); 10880 10881 for (int i = 0x400; i < 0x8000; i += 0x10) { 10882 BCE_PRINTF("0x%04X: 0x%08X 0x%08X 0x%08X 0x%08X\n", 10883 i, REG_RD(sc, i), REG_RD(sc, i + 0x4), 10884 REG_RD(sc, i + 0x8), REG_RD(sc, i + 0xC)); 10885 } 10886 10887 BCE_PRINTF( 10888 "----------------------------" 10889 "----------------" 10890 "----------------------------\n"); 10891} 10892 10893/****************************************************************************/ 10894/* Prints out the contentst of shared memory which is used for host driver */ 10895/* to bootcode firmware communication. */ 10896/* */ 10897/* Returns: */ 10898/* Nothing. */ 10899/****************************************************************************/ 10900static __attribute__ ((noinline)) void 10901bce_dump_shmem_state(struct bce_softc *sc) 10902{ 10903 BCE_PRINTF( 10904 "----------------------------" 10905 " Hardware State " 10906 "----------------------------\n"); 10907 10908 BCE_PRINTF("0x%08X - Shared memory base address\n", 10909 sc->bce_shmem_base); 10910 BCE_PRINTF("%s - bootcode version\n", 10911 sc->bce_bc_ver); 10912 10913 BCE_PRINTF( 10914 "----------------------------" 10915 " Shared Mem " 10916 "----------------------------\n"); 10917 10918 for (int i = 0x0; i < 0x200; i += 0x10) { 10919 BCE_PRINTF("0x%04X: 0x%08X 0x%08X 0x%08X 0x%08X\n", 10920 i, bce_shmem_rd(sc, i), bce_shmem_rd(sc, i + 0x4), 10921 bce_shmem_rd(sc, i + 0x8), bce_shmem_rd(sc, i + 0xC)); 10922 } 10923 10924 BCE_PRINTF( 10925 "----------------------------" 10926 "----------------" 10927 "----------------------------\n"); 10928} 10929 10930/****************************************************************************/ 10931/* Prints out the mailbox queue registers. */ 10932/* */ 10933/* Returns: */ 10934/* Nothing. */ 10935/****************************************************************************/ 10936static __attribute__ ((noinline)) void 10937bce_dump_mq_regs(struct bce_softc *sc) 10938{ 10939 BCE_PRINTF( 10940 "----------------------------" 10941 " MQ Regs " 10942 "----------------------------\n"); 10943 10944 BCE_PRINTF( 10945 "----------------------------" 10946 "----------------" 10947 "----------------------------\n"); 10948 10949 for (int i = 0x3c00; i < 0x4000; i += 0x10) { 10950 BCE_PRINTF("0x%04X: 0x%08X 0x%08X 0x%08X 0x%08X\n", 10951 i, REG_RD(sc, i), REG_RD(sc, i + 0x4), 10952 REG_RD(sc, i + 0x8), REG_RD(sc, i + 0xC)); 10953 } 10954 10955 BCE_PRINTF( 10956 "----------------------------" 10957 "----------------" 10958 "----------------------------\n"); 10959} 10960 10961/****************************************************************************/ 10962/* Prints out the bootcode state. */ 10963/* */ 10964/* Returns: */ 10965/* Nothing. */ 10966/****************************************************************************/ 10967static __attribute__ ((noinline)) void 10968bce_dump_bc_state(struct bce_softc *sc) 10969{ 10970 u32 val; 10971 10972 BCE_PRINTF( 10973 "----------------------------" 10974 " Bootcode State " 10975 "----------------------------\n"); 10976 10977 BCE_PRINTF("%s - bootcode version\n", sc->bce_bc_ver); 10978 10979 val = bce_shmem_rd(sc, BCE_BC_RESET_TYPE); 10980 BCE_PRINTF("0x%08X - (0x%06X) reset_type\n", 10981 val, BCE_BC_RESET_TYPE); 10982 10983 val = bce_shmem_rd(sc, BCE_BC_STATE); 10984 BCE_PRINTF("0x%08X - (0x%06X) state\n", 10985 val, BCE_BC_STATE); 10986 10987 val = bce_shmem_rd(sc, BCE_BC_STATE_CONDITION); 10988 BCE_PRINTF("0x%08X - (0x%06X) condition\n", 10989 val, BCE_BC_STATE_CONDITION); 10990 10991 val = bce_shmem_rd(sc, BCE_BC_STATE_DEBUG_CMD); 10992 BCE_PRINTF("0x%08X - (0x%06X) debug_cmd\n", 10993 val, BCE_BC_STATE_DEBUG_CMD); 10994 10995 BCE_PRINTF( 10996 "----------------------------" 10997 "----------------" 10998 "----------------------------\n"); 10999} 11000 11001/****************************************************************************/ 11002/* Prints out the TXP processor state. */ 11003/* */ 11004/* Returns: */ 11005/* Nothing. */ 11006/****************************************************************************/ 11007static __attribute__ ((noinline)) void 11008bce_dump_txp_state(struct bce_softc *sc, int regs) 11009{ 11010 u32 val; 11011 u32 fw_version[3]; 11012 11013 BCE_PRINTF( 11014 "----------------------------" 11015 " TXP State " 11016 "----------------------------\n"); 11017 11018 for (int i = 0; i < 3; i++) 11019 fw_version[i] = htonl(REG_RD_IND(sc, 11020 (BCE_TXP_SCRATCH + 0x10 + i * 4))); 11021 BCE_PRINTF("Firmware version - %s\n", (char *) fw_version); 11022 11023 val = REG_RD_IND(sc, BCE_TXP_CPU_MODE); 11024 BCE_PRINTF("0x%08X - (0x%06X) txp_cpu_mode\n", 11025 val, BCE_TXP_CPU_MODE); 11026 11027 val = REG_RD_IND(sc, BCE_TXP_CPU_STATE); 11028 BCE_PRINTF("0x%08X - (0x%06X) txp_cpu_state\n", 11029 val, BCE_TXP_CPU_STATE); 11030 11031 val = REG_RD_IND(sc, BCE_TXP_CPU_EVENT_MASK); 11032 BCE_PRINTF("0x%08X - (0x%06X) txp_cpu_event_mask\n", 11033 val, BCE_TXP_CPU_EVENT_MASK); 11034 11035 if (regs) { 11036 BCE_PRINTF( 11037 "----------------------------" 11038 " Register Dump " 11039 "----------------------------\n"); 11040 11041 for (int i = BCE_TXP_CPU_MODE; i < 0x68000; i += 0x10) { 11042 /* Skip the big blank spaces */ 11043 if (i < 0x454000 && i > 0x5ffff) 11044 BCE_PRINTF("0x%04X: 0x%08X 0x%08X " 11045 "0x%08X 0x%08X\n", i, 11046 REG_RD_IND(sc, i), 11047 REG_RD_IND(sc, i + 0x4), 11048 REG_RD_IND(sc, i + 0x8), 11049 REG_RD_IND(sc, i + 0xC)); 11050 } 11051 } 11052 11053 BCE_PRINTF( 11054 "----------------------------" 11055 "----------------" 11056 "----------------------------\n"); 11057} 11058 11059/****************************************************************************/ 11060/* Prints out the RXP processor state. */ 11061/* */ 11062/* Returns: */ 11063/* Nothing. */ 11064/****************************************************************************/ 11065static __attribute__ ((noinline)) void 11066bce_dump_rxp_state(struct bce_softc *sc, int regs) 11067{ 11068 u32 val; 11069 u32 fw_version[3]; 11070 11071 BCE_PRINTF( 11072 "----------------------------" 11073 " RXP State " 11074 "----------------------------\n"); 11075 11076 for (int i = 0; i < 3; i++) 11077 fw_version[i] = htonl(REG_RD_IND(sc, 11078 (BCE_RXP_SCRATCH + 0x10 + i * 4))); 11079 11080 BCE_PRINTF("Firmware version - %s\n", (char *) fw_version); 11081 11082 val = REG_RD_IND(sc, BCE_RXP_CPU_MODE); 11083 BCE_PRINTF("0x%08X - (0x%06X) rxp_cpu_mode\n", 11084 val, BCE_RXP_CPU_MODE); 11085 11086 val = REG_RD_IND(sc, BCE_RXP_CPU_STATE); 11087 BCE_PRINTF("0x%08X - (0x%06X) rxp_cpu_state\n", 11088 val, BCE_RXP_CPU_STATE); 11089 11090 val = REG_RD_IND(sc, BCE_RXP_CPU_EVENT_MASK); 11091 BCE_PRINTF("0x%08X - (0x%06X) rxp_cpu_event_mask\n", 11092 val, BCE_RXP_CPU_EVENT_MASK); 11093 11094 if (regs) { 11095 BCE_PRINTF( 11096 "----------------------------" 11097 " Register Dump " 11098 "----------------------------\n"); 11099 11100 for (int i = BCE_RXP_CPU_MODE; i < 0xe8fff; i += 0x10) { 11101 /* Skip the big blank sapces */ 11102 if (i < 0xc5400 && i > 0xdffff) 11103 BCE_PRINTF("0x%04X: 0x%08X 0x%08X " 11104 "0x%08X 0x%08X\n", i, 11105 REG_RD_IND(sc, i), 11106 REG_RD_IND(sc, i + 0x4), 11107 REG_RD_IND(sc, i + 0x8), 11108 REG_RD_IND(sc, i + 0xC)); 11109 } 11110 } 11111 11112 BCE_PRINTF( 11113 "----------------------------" 11114 "----------------" 11115 "----------------------------\n"); 11116} 11117 11118/****************************************************************************/ 11119/* Prints out the TPAT processor state. */ 11120/* */ 11121/* Returns: */ 11122/* Nothing. */ 11123/****************************************************************************/ 11124static __attribute__ ((noinline)) void 11125bce_dump_tpat_state(struct bce_softc *sc, int regs) 11126{ 11127 u32 val; 11128 u32 fw_version[3]; 11129 11130 BCE_PRINTF( 11131 "----------------------------" 11132 " TPAT State " 11133 "----------------------------\n"); 11134 11135 for (int i = 0; i < 3; i++) 11136 fw_version[i] = htonl(REG_RD_IND(sc, 11137 (BCE_TPAT_SCRATCH + 0x410 + i * 4))); 11138 11139 BCE_PRINTF("Firmware version - %s\n", (char *) fw_version); 11140 11141 val = REG_RD_IND(sc, BCE_TPAT_CPU_MODE); 11142 BCE_PRINTF("0x%08X - (0x%06X) tpat_cpu_mode\n", 11143 val, BCE_TPAT_CPU_MODE); 11144 11145 val = REG_RD_IND(sc, BCE_TPAT_CPU_STATE); 11146 BCE_PRINTF("0x%08X - (0x%06X) tpat_cpu_state\n", 11147 val, BCE_TPAT_CPU_STATE); 11148 11149 val = REG_RD_IND(sc, BCE_TPAT_CPU_EVENT_MASK); 11150 BCE_PRINTF("0x%08X - (0x%06X) tpat_cpu_event_mask\n", 11151 val, BCE_TPAT_CPU_EVENT_MASK); 11152 11153 if (regs) { 11154 BCE_PRINTF( 11155 "----------------------------" 11156 " Register Dump " 11157 "----------------------------\n"); 11158 11159 for (int i = BCE_TPAT_CPU_MODE; i < 0xa3fff; i += 0x10) { 11160 /* Skip the big blank spaces */ 11161 if (i < 0x854000 && i > 0x9ffff) 11162 BCE_PRINTF("0x%04X: 0x%08X 0x%08X " 11163 "0x%08X 0x%08X\n", i, 11164 REG_RD_IND(sc, i), 11165 REG_RD_IND(sc, i + 0x4), 11166 REG_RD_IND(sc, i + 0x8), 11167 REG_RD_IND(sc, i + 0xC)); 11168 } 11169 } 11170 11171 BCE_PRINTF( 11172 "----------------------------" 11173 "----------------" 11174 "----------------------------\n"); 11175} 11176 11177/****************************************************************************/ 11178/* Prints out the Command Procesor (CP) state. */ 11179/* */ 11180/* Returns: */ 11181/* Nothing. */ 11182/****************************************************************************/ 11183static __attribute__ ((noinline)) void 11184bce_dump_cp_state(struct bce_softc *sc, int regs) 11185{ 11186 u32 val; 11187 u32 fw_version[3]; 11188 11189 BCE_PRINTF( 11190 "----------------------------" 11191 " CP State " 11192 "----------------------------\n"); 11193 11194 for (int i = 0; i < 3; i++) 11195 fw_version[i] = htonl(REG_RD_IND(sc, 11196 (BCE_CP_SCRATCH + 0x10 + i * 4))); 11197 11198 BCE_PRINTF("Firmware version - %s\n", (char *) fw_version); 11199 11200 val = REG_RD_IND(sc, BCE_CP_CPU_MODE); 11201 BCE_PRINTF("0x%08X - (0x%06X) cp_cpu_mode\n", 11202 val, BCE_CP_CPU_MODE); 11203 11204 val = REG_RD_IND(sc, BCE_CP_CPU_STATE); 11205 BCE_PRINTF("0x%08X - (0x%06X) cp_cpu_state\n", 11206 val, BCE_CP_CPU_STATE); 11207 11208 val = REG_RD_IND(sc, BCE_CP_CPU_EVENT_MASK); 11209 BCE_PRINTF("0x%08X - (0x%06X) cp_cpu_event_mask\n", val, 11210 BCE_CP_CPU_EVENT_MASK); 11211 11212 if (regs) { 11213 BCE_PRINTF( 11214 "----------------------------" 11215 " Register Dump " 11216 "----------------------------\n"); 11217 11218 for (int i = BCE_CP_CPU_MODE; i < 0x1aa000; i += 0x10) { 11219 /* Skip the big blank spaces */ 11220 if (i < 0x185400 && i > 0x19ffff) 11221 BCE_PRINTF("0x%04X: 0x%08X 0x%08X " 11222 "0x%08X 0x%08X\n", i, 11223 REG_RD_IND(sc, i), 11224 REG_RD_IND(sc, i + 0x4), 11225 REG_RD_IND(sc, i + 0x8), 11226 REG_RD_IND(sc, i + 0xC)); 11227 } 11228 } 11229 11230 BCE_PRINTF( 11231 "----------------------------" 11232 "----------------" 11233 "----------------------------\n"); 11234} 11235 11236/****************************************************************************/ 11237/* Prints out the Completion Procesor (COM) state. */ 11238/* */ 11239/* Returns: */ 11240/* Nothing. */ 11241/****************************************************************************/ 11242static __attribute__ ((noinline)) void 11243bce_dump_com_state(struct bce_softc *sc, int regs) 11244{ 11245 u32 val; 11246 u32 fw_version[4]; 11247 11248 BCE_PRINTF( 11249 "----------------------------" 11250 " COM State " 11251 "----------------------------\n"); 11252 11253 for (int i = 0; i < 3; i++) 11254 fw_version[i] = htonl(REG_RD_IND(sc, 11255 (BCE_COM_SCRATCH + 0x10 + i * 4))); 11256 11257 BCE_PRINTF("Firmware version - %s\n", (char *) fw_version); 11258 11259 val = REG_RD_IND(sc, BCE_COM_CPU_MODE); 11260 BCE_PRINTF("0x%08X - (0x%06X) com_cpu_mode\n", 11261 val, BCE_COM_CPU_MODE); 11262 11263 val = REG_RD_IND(sc, BCE_COM_CPU_STATE); 11264 BCE_PRINTF("0x%08X - (0x%06X) com_cpu_state\n", 11265 val, BCE_COM_CPU_STATE); 11266 11267 val = REG_RD_IND(sc, BCE_COM_CPU_EVENT_MASK); 11268 BCE_PRINTF("0x%08X - (0x%06X) com_cpu_event_mask\n", val, 11269 BCE_COM_CPU_EVENT_MASK); 11270 11271 if (regs) { 11272 BCE_PRINTF( 11273 "----------------------------" 11274 " Register Dump " 11275 "----------------------------\n"); 11276 11277 for (int i = BCE_COM_CPU_MODE; i < 0x1053e8; i += 0x10) { 11278 BCE_PRINTF("0x%04X: 0x%08X 0x%08X " 11279 "0x%08X 0x%08X\n", i, 11280 REG_RD_IND(sc, i), 11281 REG_RD_IND(sc, i + 0x4), 11282 REG_RD_IND(sc, i + 0x8), 11283 REG_RD_IND(sc, i + 0xC)); 11284 } 11285 } 11286 11287 BCE_PRINTF( 11288 "----------------------------" 11289 "----------------" 11290 "----------------------------\n"); 11291} 11292 11293/****************************************************************************/ 11294/* Prints out the Receive Virtual 2 Physical (RV2P) state. */ 11295/* */ 11296/* Returns: */ 11297/* Nothing. */ 11298/****************************************************************************/ 11299static __attribute__ ((noinline)) void 11300bce_dump_rv2p_state(struct bce_softc *sc) 11301{ 11302 u32 val, pc1, pc2, fw_ver_high, fw_ver_low; 11303 11304 BCE_PRINTF( 11305 "----------------------------" 11306 " RV2P State " 11307 "----------------------------\n"); 11308 11309 /* Stall the RV2P processors. */ 11310 val = REG_RD_IND(sc, BCE_RV2P_CONFIG); 11311 val |= BCE_RV2P_CONFIG_STALL_PROC1 | BCE_RV2P_CONFIG_STALL_PROC2; 11312 REG_WR_IND(sc, BCE_RV2P_CONFIG, val); 11313 11314 /* Read the firmware version. */ 11315 val = 0x00000001; 11316 REG_WR_IND(sc, BCE_RV2P_PROC1_ADDR_CMD, val); 11317 fw_ver_low = REG_RD_IND(sc, BCE_RV2P_INSTR_LOW); 11318 fw_ver_high = REG_RD_IND(sc, BCE_RV2P_INSTR_HIGH) & 11319 BCE_RV2P_INSTR_HIGH_HIGH; 11320 BCE_PRINTF("RV2P1 Firmware version - 0x%08X:0x%08X\n", 11321 fw_ver_high, fw_ver_low); 11322 11323 val = 0x00000001; 11324 REG_WR_IND(sc, BCE_RV2P_PROC2_ADDR_CMD, val); 11325 fw_ver_low = REG_RD_IND(sc, BCE_RV2P_INSTR_LOW); 11326 fw_ver_high = REG_RD_IND(sc, BCE_RV2P_INSTR_HIGH) & 11327 BCE_RV2P_INSTR_HIGH_HIGH; 11328 BCE_PRINTF("RV2P2 Firmware version - 0x%08X:0x%08X\n", 11329 fw_ver_high, fw_ver_low); 11330 11331 /* Resume the RV2P processors. */ 11332 val = REG_RD_IND(sc, BCE_RV2P_CONFIG); 11333 val &= ~(BCE_RV2P_CONFIG_STALL_PROC1 | BCE_RV2P_CONFIG_STALL_PROC2); 11334 REG_WR_IND(sc, BCE_RV2P_CONFIG, val); 11335 11336 /* Fetch the program counter value. */ 11337 val = 0x68007800; 11338 REG_WR_IND(sc, BCE_RV2P_DEBUG_VECT_PEEK, val); 11339 val = REG_RD_IND(sc, BCE_RV2P_DEBUG_VECT_PEEK); 11340 pc1 = (val & BCE_RV2P_DEBUG_VECT_PEEK_1_VALUE); 11341 pc2 = (val & BCE_RV2P_DEBUG_VECT_PEEK_2_VALUE) >> 16; 11342 BCE_PRINTF("0x%08X - RV2P1 program counter (1st read)\n", pc1); 11343 BCE_PRINTF("0x%08X - RV2P2 program counter (1st read)\n", pc2); 11344 11345 /* Fetch the program counter value again to see if it is advancing. */ 11346 val = 0x68007800; 11347 REG_WR_IND(sc, BCE_RV2P_DEBUG_VECT_PEEK, val); 11348 val = REG_RD_IND(sc, BCE_RV2P_DEBUG_VECT_PEEK); 11349 pc1 = (val & BCE_RV2P_DEBUG_VECT_PEEK_1_VALUE); 11350 pc2 = (val & BCE_RV2P_DEBUG_VECT_PEEK_2_VALUE) >> 16; 11351 BCE_PRINTF("0x%08X - RV2P1 program counter (2nd read)\n", pc1); 11352 BCE_PRINTF("0x%08X - RV2P2 program counter (2nd read)\n", pc2); 11353 11354 BCE_PRINTF( 11355 "----------------------------" 11356 "----------------" 11357 "----------------------------\n"); 11358} 11359 11360/****************************************************************************/ 11361/* Prints out the driver state and then enters the debugger. */ 11362/* */ 11363/* Returns: */ 11364/* Nothing. */ 11365/****************************************************************************/ 11366static __attribute__ ((noinline)) void 11367bce_breakpoint(struct bce_softc *sc) 11368{ 11369 11370 /* 11371 * Unreachable code to silence compiler warnings 11372 * about unused functions. 11373 */ 11374 if (0) { 11375 bce_freeze_controller(sc); 11376 bce_unfreeze_controller(sc); 11377 bce_dump_enet(sc, NULL); 11378 bce_dump_txbd(sc, 0, NULL); 11379 bce_dump_rxbd(sc, 0, NULL); 11380 bce_dump_tx_mbuf_chain(sc, 0, USABLE_TX_BD_ALLOC); 11381 bce_dump_rx_mbuf_chain(sc, 0, USABLE_RX_BD_ALLOC); 11382 bce_dump_pg_mbuf_chain(sc, 0, USABLE_PG_BD_ALLOC); 11383 bce_dump_l2fhdr(sc, 0, NULL); 11384 bce_dump_ctx(sc, RX_CID); 11385 bce_dump_ftqs(sc); 11386 bce_dump_tx_chain(sc, 0, USABLE_TX_BD_ALLOC); 11387 bce_dump_rx_bd_chain(sc, 0, USABLE_RX_BD_ALLOC); 11388 bce_dump_pg_chain(sc, 0, USABLE_PG_BD_ALLOC); 11389 bce_dump_status_block(sc); 11390 bce_dump_stats_block(sc); 11391 bce_dump_driver_state(sc); 11392 bce_dump_hw_state(sc); 11393 bce_dump_bc_state(sc); 11394 bce_dump_txp_state(sc, 0); 11395 bce_dump_rxp_state(sc, 0); 11396 bce_dump_tpat_state(sc, 0); 11397 bce_dump_cp_state(sc, 0); 11398 bce_dump_com_state(sc, 0); 11399 bce_dump_rv2p_state(sc); 11400 bce_dump_pgbd(sc, 0, NULL); 11401 } 11402 11403 bce_dump_status_block(sc); 11404 bce_dump_driver_state(sc); 11405 11406 /* Call the debugger. */ 11407 breakpoint(); 11408} 11409#endif 11410