if_ix.c revision 341477
1/****************************************************************************** 2 3 Copyright (c) 2001-2017, Intel Corporation 4 All rights reserved. 5 6 Redistribution and use in source and binary forms, with or without 7 modification, are permitted provided that the following conditions are met: 8 9 1. Redistributions of source code must retain the above copyright notice, 10 this list of conditions and the following disclaimer. 11 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 3. Neither the name of the Intel Corporation nor the names of its 17 contributors may be used to endorse or promote products derived from 18 this software without specific prior written permission. 19 20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 POSSIBILITY OF SUCH DAMAGE. 31 32******************************************************************************/ 33/*$FreeBSD: stable/11/sys/dev/ixgbe/if_ix.c 341477 2018-12-04 17:40:56Z vmaffione $*/ 34 35 36#ifndef IXGBE_STANDALONE_BUILD 37#include "opt_inet.h" 38#include "opt_inet6.h" 39#include "opt_rss.h" 40#endif 41 42#include "ixgbe.h" 43 44/************************************************************************ 45 * Driver version 46 ************************************************************************/ 47char ixgbe_driver_version[] = "3.2.12-k"; 48 49 50/************************************************************************ 51 * PCI Device ID Table 52 * 53 * Used by probe to select devices to load on 54 * Last field stores an index into ixgbe_strings 55 * Last entry must be all 0s 56 * 57 * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, String Index } 58 ************************************************************************/ 59static ixgbe_vendor_info_t ixgbe_vendor_info_array[] = 60{ 61 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_DUAL_PORT, 0, 0, 0}, 62 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_SINGLE_PORT, 0, 0, 0}, 63 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_CX4, 0, 0, 0}, 64 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT, 0, 0, 0}, 65 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT2, 0, 0, 0}, 66 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598, 0, 0, 0}, 67 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_DA_DUAL_PORT, 0, 0, 0}, 68 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_CX4_DUAL_PORT, 0, 0, 0}, 69 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_XF_LR, 0, 0, 0}, 70 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM, 0, 0, 0}, 71 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_SFP_LOM, 0, 0, 0}, 72 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4, 0, 0, 0}, 73 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4_MEZZ, 0, 0, 0}, 74 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP, 0, 0, 0}, 75 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_XAUI_LOM, 0, 0, 0}, 76 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_CX4, 0, 0, 0}, 77 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_T3_LOM, 0, 0, 0}, 78 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_COMBO_BACKPLANE, 0, 0, 0}, 79 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_BACKPLANE_FCOE, 0, 0, 0}, 80 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF2, 0, 0, 0}, 81 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_FCOE, 0, 0, 0}, 82 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599EN_SFP, 0, 0, 0}, 83 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF_QP, 0, 0, 0}, 84 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_QSFP_SF_QP, 0, 0, 0}, 85 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T, 0, 0, 0}, 86 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T1, 0, 0, 0}, 87 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550T, 0, 0, 0}, 88 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550T1, 0, 0, 0}, 89 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KR, 0, 0, 0}, 90 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KX4, 0, 0, 0}, 91 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_10G_T, 0, 0, 0}, 92 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_1G_T, 0, 0, 0}, 93 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_SFP, 0, 0, 0}, 94 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_KR, 0, 0, 0}, 95 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_KR_L, 0, 0, 0}, 96 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SFP, 0, 0, 0}, 97 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SFP_N, 0, 0, 0}, 98 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SGMII, 0, 0, 0}, 99 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_SGMII_L, 0, 0, 0}, 100 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_10G_T, 0, 0, 0}, 101 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_1G_T, 0, 0, 0}, 102 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_A_1G_T_L, 0, 0, 0}, 103 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540_BYPASS, 0, 0, 0}, 104 {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_BYPASS, 0, 0, 0}, 105 /* required last entry */ 106 {0, 0, 0, 0, 0} 107}; 108 109/************************************************************************ 110 * Table of branding strings 111 ************************************************************************/ 112static char *ixgbe_strings[] = { 113 "Intel(R) PRO/10GbE PCI-Express Network Driver" 114}; 115 116/************************************************************************ 117 * Function prototypes 118 ************************************************************************/ 119static int ixgbe_probe(device_t); 120static int ixgbe_attach(device_t); 121static int ixgbe_detach(device_t); 122static int ixgbe_shutdown(device_t); 123static int ixgbe_suspend(device_t); 124static int ixgbe_resume(device_t); 125static int ixgbe_ioctl(struct ifnet *, u_long, caddr_t); 126static void ixgbe_init(void *); 127static void ixgbe_init_locked(struct adapter *); 128static void ixgbe_stop(void *); 129#if __FreeBSD_version >= 1100036 130static uint64_t ixgbe_get_counter(struct ifnet *, ift_counter); 131#endif 132static void ixgbe_init_device_features(struct adapter *); 133static void ixgbe_check_fan_failure(struct adapter *, u32, bool); 134static void ixgbe_add_media_types(struct adapter *); 135static void ixgbe_media_status(struct ifnet *, struct ifmediareq *); 136static int ixgbe_media_change(struct ifnet *); 137static int ixgbe_allocate_pci_resources(struct adapter *); 138static void ixgbe_get_slot_info(struct adapter *); 139static int ixgbe_allocate_msix(struct adapter *); 140static int ixgbe_allocate_legacy(struct adapter *); 141static int ixgbe_configure_interrupts(struct adapter *); 142static void ixgbe_free_pci_resources(struct adapter *); 143static void ixgbe_local_timer(void *); 144static int ixgbe_setup_interface(device_t, struct adapter *); 145static void ixgbe_config_gpie(struct adapter *); 146static void ixgbe_config_dmac(struct adapter *); 147static void ixgbe_config_delay_values(struct adapter *); 148static void ixgbe_config_link(struct adapter *); 149static void ixgbe_check_wol_support(struct adapter *); 150static int ixgbe_setup_low_power_mode(struct adapter *); 151static void ixgbe_rearm_queues(struct adapter *, u64); 152 153static void ixgbe_initialize_transmit_units(struct adapter *); 154static void ixgbe_initialize_receive_units(struct adapter *); 155static void ixgbe_enable_rx_drop(struct adapter *); 156static void ixgbe_disable_rx_drop(struct adapter *); 157static void ixgbe_initialize_rss_mapping(struct adapter *); 158 159static void ixgbe_enable_intr(struct adapter *); 160static void ixgbe_disable_intr(struct adapter *); 161static void ixgbe_update_stats_counters(struct adapter *); 162static void ixgbe_set_promisc(struct adapter *); 163static void ixgbe_set_multi(struct adapter *); 164static void ixgbe_update_link_status(struct adapter *); 165static void ixgbe_set_ivar(struct adapter *, u8, u8, s8); 166static void ixgbe_configure_ivars(struct adapter *); 167static u8 *ixgbe_mc_array_itr(struct ixgbe_hw *, u8 **, u32 *); 168 169static void ixgbe_setup_vlan_hw_support(struct adapter *); 170static void ixgbe_register_vlan(void *, struct ifnet *, u16); 171static void ixgbe_unregister_vlan(void *, struct ifnet *, u16); 172 173static void ixgbe_add_device_sysctls(struct adapter *); 174static void ixgbe_add_hw_stats(struct adapter *); 175static int ixgbe_set_flowcntl(struct adapter *, int); 176static int ixgbe_set_advertise(struct adapter *, int); 177static int ixgbe_get_advertise(struct adapter *); 178 179/* Sysctl handlers */ 180static void ixgbe_set_sysctl_value(struct adapter *, const char *, 181 const char *, int *, int); 182static int ixgbe_sysctl_flowcntl(SYSCTL_HANDLER_ARGS); 183static int ixgbe_sysctl_advertise(SYSCTL_HANDLER_ARGS); 184static int ixgbe_sysctl_interrupt_rate_handler(SYSCTL_HANDLER_ARGS); 185static int ixgbe_sysctl_dmac(SYSCTL_HANDLER_ARGS); 186static int ixgbe_sysctl_phy_temp(SYSCTL_HANDLER_ARGS); 187static int ixgbe_sysctl_phy_overtemp_occurred(SYSCTL_HANDLER_ARGS); 188#ifdef IXGBE_DEBUG 189static int ixgbe_sysctl_power_state(SYSCTL_HANDLER_ARGS); 190static int ixgbe_sysctl_print_rss_config(SYSCTL_HANDLER_ARGS); 191#endif 192static int ixgbe_sysctl_rdh_handler(SYSCTL_HANDLER_ARGS); 193static int ixgbe_sysctl_rdt_handler(SYSCTL_HANDLER_ARGS); 194static int ixgbe_sysctl_tdt_handler(SYSCTL_HANDLER_ARGS); 195static int ixgbe_sysctl_tdh_handler(SYSCTL_HANDLER_ARGS); 196static int ixgbe_sysctl_eee_state(SYSCTL_HANDLER_ARGS); 197static int ixgbe_sysctl_wol_enable(SYSCTL_HANDLER_ARGS); 198static int ixgbe_sysctl_wufc(SYSCTL_HANDLER_ARGS); 199 200/* Support for pluggable optic modules */ 201static bool ixgbe_sfp_probe(struct adapter *); 202 203/* Legacy (single vector) interrupt handler */ 204static void ixgbe_legacy_irq(void *); 205 206/* The MSI/MSI-X Interrupt handlers */ 207static void ixgbe_msix_que(void *); 208static void ixgbe_msix_link(void *); 209 210/* Deferred interrupt tasklets */ 211static void ixgbe_handle_que(void *, int); 212static void ixgbe_handle_link(void *, int); 213static void ixgbe_handle_msf(void *, int); 214static void ixgbe_handle_mod(void *, int); 215static void ixgbe_handle_phy(void *, int); 216 217 218/************************************************************************ 219 * FreeBSD Device Interface Entry Points 220 ************************************************************************/ 221static device_method_t ix_methods[] = { 222 /* Device interface */ 223 DEVMETHOD(device_probe, ixgbe_probe), 224 DEVMETHOD(device_attach, ixgbe_attach), 225 DEVMETHOD(device_detach, ixgbe_detach), 226 DEVMETHOD(device_shutdown, ixgbe_shutdown), 227 DEVMETHOD(device_suspend, ixgbe_suspend), 228 DEVMETHOD(device_resume, ixgbe_resume), 229#ifdef PCI_IOV 230 DEVMETHOD(pci_iov_init, ixgbe_init_iov), 231 DEVMETHOD(pci_iov_uninit, ixgbe_uninit_iov), 232 DEVMETHOD(pci_iov_add_vf, ixgbe_add_vf), 233#endif /* PCI_IOV */ 234 DEVMETHOD_END 235}; 236 237static driver_t ix_driver = { 238 "ix", ix_methods, sizeof(struct adapter), 239}; 240 241devclass_t ix_devclass; 242DRIVER_MODULE(ix, pci, ix_driver, ix_devclass, 0, 0); 243 244MODULE_DEPEND(ix, pci, 1, 1, 1); 245MODULE_DEPEND(ix, ether, 1, 1, 1); 246#ifdef DEV_NETMAP 247MODULE_DEPEND(ix, netmap, 1, 1, 1); 248#endif 249 250/* 251 * TUNEABLE PARAMETERS: 252 */ 253 254static SYSCTL_NODE(_hw, OID_AUTO, ix, CTLFLAG_RD, 0, "IXGBE driver parameters"); 255 256/* 257 * AIM: Adaptive Interrupt Moderation 258 * which means that the interrupt rate 259 * is varied over time based on the 260 * traffic for that interrupt vector 261 */ 262static int ixgbe_enable_aim = TRUE; 263SYSCTL_INT(_hw_ix, OID_AUTO, enable_aim, CTLFLAG_RDTUN, &ixgbe_enable_aim, 0, 264 "Enable adaptive interrupt moderation"); 265 266static int ixgbe_max_interrupt_rate = (4000000 / IXGBE_LOW_LATENCY); 267SYSCTL_INT(_hw_ix, OID_AUTO, max_interrupt_rate, CTLFLAG_RDTUN, 268 &ixgbe_max_interrupt_rate, 0, "Maximum interrupts per second"); 269 270/* How many packets rxeof tries to clean at a time */ 271static int ixgbe_rx_process_limit = 256; 272SYSCTL_INT(_hw_ix, OID_AUTO, rx_process_limit, CTLFLAG_RDTUN, 273 &ixgbe_rx_process_limit, 0, "Maximum number of received packets to process at a time, -1 means unlimited"); 274 275/* How many packets txeof tries to clean at a time */ 276static int ixgbe_tx_process_limit = 256; 277SYSCTL_INT(_hw_ix, OID_AUTO, tx_process_limit, CTLFLAG_RDTUN, 278 &ixgbe_tx_process_limit, 0, 279 "Maximum number of sent packets to process at a time, -1 means unlimited"); 280 281/* Flow control setting, default to full */ 282static int ixgbe_flow_control = ixgbe_fc_full; 283SYSCTL_INT(_hw_ix, OID_AUTO, flow_control, CTLFLAG_RDTUN, 284 &ixgbe_flow_control, 0, "Default flow control used for all adapters"); 285 286/* Advertise Speed, default to 0 (auto) */ 287static int ixgbe_advertise_speed = 0; 288SYSCTL_INT(_hw_ix, OID_AUTO, advertise_speed, CTLFLAG_RDTUN, 289 &ixgbe_advertise_speed, 0, "Default advertised speed for all adapters"); 290 291/* 292 * Smart speed setting, default to on 293 * this only works as a compile option 294 * right now as its during attach, set 295 * this to 'ixgbe_smart_speed_off' to 296 * disable. 297 */ 298static int ixgbe_smart_speed = ixgbe_smart_speed_on; 299 300/* 301 * MSI-X should be the default for best performance, 302 * but this allows it to be forced off for testing. 303 */ 304static int ixgbe_enable_msix = 1; 305SYSCTL_INT(_hw_ix, OID_AUTO, enable_msix, CTLFLAG_RDTUN, &ixgbe_enable_msix, 0, 306 "Enable MSI-X interrupts"); 307 308/* 309 * Number of Queues, can be set to 0, 310 * it then autoconfigures based on the 311 * number of cpus with a max of 8. This 312 * can be overriden manually here. 313 */ 314static int ixgbe_num_queues = 0; 315SYSCTL_INT(_hw_ix, OID_AUTO, num_queues, CTLFLAG_RDTUN, &ixgbe_num_queues, 0, 316 "Number of queues to configure, 0 indicates autoconfigure"); 317 318/* 319 * Number of TX descriptors per ring, 320 * setting higher than RX as this seems 321 * the better performing choice. 322 */ 323static int ixgbe_txd = PERFORM_TXD; 324SYSCTL_INT(_hw_ix, OID_AUTO, txd, CTLFLAG_RDTUN, &ixgbe_txd, 0, 325 "Number of transmit descriptors per queue"); 326 327/* Number of RX descriptors per ring */ 328static int ixgbe_rxd = PERFORM_RXD; 329SYSCTL_INT(_hw_ix, OID_AUTO, rxd, CTLFLAG_RDTUN, &ixgbe_rxd, 0, 330 "Number of receive descriptors per queue"); 331 332/* 333 * Defining this on will allow the use 334 * of unsupported SFP+ modules, note that 335 * doing so you are on your own :) 336 */ 337static int allow_unsupported_sfp = FALSE; 338SYSCTL_INT(_hw_ix, OID_AUTO, unsupported_sfp, CTLFLAG_RDTUN, 339 &allow_unsupported_sfp, 0, 340 "Allow unsupported SFP modules...use at your own risk"); 341 342/* 343 * Not sure if Flow Director is fully baked, 344 * so we'll default to turning it off. 345 */ 346static int ixgbe_enable_fdir = 0; 347SYSCTL_INT(_hw_ix, OID_AUTO, enable_fdir, CTLFLAG_RDTUN, &ixgbe_enable_fdir, 0, 348 "Enable Flow Director"); 349 350/* Legacy Transmit (single queue) */ 351static int ixgbe_enable_legacy_tx = 0; 352SYSCTL_INT(_hw_ix, OID_AUTO, enable_legacy_tx, CTLFLAG_RDTUN, 353 &ixgbe_enable_legacy_tx, 0, "Enable Legacy TX flow"); 354 355/* Receive-Side Scaling */ 356static int ixgbe_enable_rss = 1; 357SYSCTL_INT(_hw_ix, OID_AUTO, enable_rss, CTLFLAG_RDTUN, &ixgbe_enable_rss, 0, 358 "Enable Receive-Side Scaling (RSS)"); 359 360/* Keep running tab on them for sanity check */ 361static int ixgbe_total_ports; 362 363static int (*ixgbe_start_locked)(struct ifnet *, struct tx_ring *); 364static int (*ixgbe_ring_empty)(struct ifnet *, struct buf_ring *); 365 366MALLOC_DEFINE(M_IXGBE, "ix", "ix driver allocations"); 367 368/************************************************************************ 369 * ixgbe_initialize_rss_mapping 370 ************************************************************************/ 371static void 372ixgbe_initialize_rss_mapping(struct adapter *adapter) 373{ 374 struct ixgbe_hw *hw = &adapter->hw; 375 u32 reta = 0, mrqc, rss_key[10]; 376 int queue_id, table_size, index_mult; 377 int i, j; 378 u32 rss_hash_config; 379 380 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 381 /* Fetch the configured RSS key */ 382 rss_getkey((uint8_t *)&rss_key); 383 } else { 384 /* set up random bits */ 385 arc4rand(&rss_key, sizeof(rss_key), 0); 386 } 387 388 /* Set multiplier for RETA setup and table size based on MAC */ 389 index_mult = 0x1; 390 table_size = 128; 391 switch (adapter->hw.mac.type) { 392 case ixgbe_mac_82598EB: 393 index_mult = 0x11; 394 break; 395 case ixgbe_mac_X550: 396 case ixgbe_mac_X550EM_x: 397 case ixgbe_mac_X550EM_a: 398 table_size = 512; 399 break; 400 default: 401 break; 402 } 403 404 /* Set up the redirection table */ 405 for (i = 0, j = 0; i < table_size; i++, j++) { 406 if (j == adapter->num_queues) 407 j = 0; 408 409 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 410 /* 411 * Fetch the RSS bucket id for the given indirection 412 * entry. Cap it at the number of configured buckets 413 * (which is num_queues.) 414 */ 415 queue_id = rss_get_indirection_to_bucket(i); 416 queue_id = queue_id % adapter->num_queues; 417 } else 418 queue_id = (j * index_mult); 419 420 /* 421 * The low 8 bits are for hash value (n+0); 422 * The next 8 bits are for hash value (n+1), etc. 423 */ 424 reta = reta >> 8; 425 reta = reta | (((uint32_t)queue_id) << 24); 426 if ((i & 3) == 3) { 427 if (i < 128) 428 IXGBE_WRITE_REG(hw, IXGBE_RETA(i >> 2), reta); 429 else 430 IXGBE_WRITE_REG(hw, IXGBE_ERETA((i >> 2) - 32), 431 reta); 432 reta = 0; 433 } 434 } 435 436 /* Now fill our hash function seeds */ 437 for (i = 0; i < 10; i++) 438 IXGBE_WRITE_REG(hw, IXGBE_RSSRK(i), rss_key[i]); 439 440 /* Perform hash on these packet types */ 441 if (adapter->feat_en & IXGBE_FEATURE_RSS) 442 rss_hash_config = rss_gethashconfig(); 443 else { 444 /* 445 * Disable UDP - IP fragments aren't currently being handled 446 * and so we end up with a mix of 2-tuple and 4-tuple 447 * traffic. 448 */ 449 rss_hash_config = RSS_HASHTYPE_RSS_IPV4 450 | RSS_HASHTYPE_RSS_TCP_IPV4 451 | RSS_HASHTYPE_RSS_IPV6 452 | RSS_HASHTYPE_RSS_TCP_IPV6 453 | RSS_HASHTYPE_RSS_IPV6_EX 454 | RSS_HASHTYPE_RSS_TCP_IPV6_EX; 455 } 456 457 mrqc = IXGBE_MRQC_RSSEN; 458 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV4) 459 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4; 460 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV4) 461 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_TCP; 462 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6) 463 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6; 464 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6) 465 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_TCP; 466 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6_EX) 467 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX; 468 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6_EX) 469 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_TCP; 470 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV4) 471 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP; 472 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV4_EX) 473 device_printf(adapter->dev, "%s: RSS_HASHTYPE_RSS_UDP_IPV4_EX defined, but not supported\n", 474 __func__); 475 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6) 476 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP; 477 if (rss_hash_config & RSS_HASHTYPE_RSS_UDP_IPV6_EX) 478 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_UDP; 479 mrqc |= ixgbe_get_mrqc(adapter->iov_mode); 480 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc); 481} /* ixgbe_initialize_rss_mapping */ 482 483/************************************************************************ 484 * ixgbe_initialize_receive_units - Setup receive registers and features. 485 ************************************************************************/ 486#define BSIZEPKT_ROUNDUP ((1<<IXGBE_SRRCTL_BSIZEPKT_SHIFT)-1) 487 488static void 489ixgbe_initialize_receive_units(struct adapter *adapter) 490{ 491 struct rx_ring *rxr = adapter->rx_rings; 492 struct ixgbe_hw *hw = &adapter->hw; 493 struct ifnet *ifp = adapter->ifp; 494 int i, j; 495 u32 bufsz, fctrl, srrctl, rxcsum; 496 u32 hlreg; 497 498 /* 499 * Make sure receives are disabled while 500 * setting up the descriptor ring 501 */ 502 ixgbe_disable_rx(hw); 503 504 /* Enable broadcasts */ 505 fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); 506 fctrl |= IXGBE_FCTRL_BAM; 507 if (adapter->hw.mac.type == ixgbe_mac_82598EB) { 508 fctrl |= IXGBE_FCTRL_DPF; 509 fctrl |= IXGBE_FCTRL_PMCF; 510 } 511 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); 512 513 /* Set for Jumbo Frames? */ 514 hlreg = IXGBE_READ_REG(hw, IXGBE_HLREG0); 515 if (ifp->if_mtu > ETHERMTU) 516 hlreg |= IXGBE_HLREG0_JUMBOEN; 517 else 518 hlreg &= ~IXGBE_HLREG0_JUMBOEN; 519 520#ifdef DEV_NETMAP 521 /* CRC stripping is conditional in Netmap */ 522 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 523 (ifp->if_capenable & IFCAP_NETMAP) && 524 !ix_crcstrip) 525 hlreg &= ~IXGBE_HLREG0_RXCRCSTRP; 526 else 527#endif /* DEV_NETMAP */ 528 hlreg |= IXGBE_HLREG0_RXCRCSTRP; 529 530 IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg); 531 532 bufsz = (adapter->rx_mbuf_sz + BSIZEPKT_ROUNDUP) >> 533 IXGBE_SRRCTL_BSIZEPKT_SHIFT; 534 535 for (i = 0; i < adapter->num_queues; i++, rxr++) { 536 u64 rdba = rxr->rxdma.dma_paddr; 537 j = rxr->me; 538 539 /* Setup the Base and Length of the Rx Descriptor Ring */ 540 IXGBE_WRITE_REG(hw, IXGBE_RDBAL(j), 541 (rdba & 0x00000000ffffffffULL)); 542 IXGBE_WRITE_REG(hw, IXGBE_RDBAH(j), (rdba >> 32)); 543 IXGBE_WRITE_REG(hw, IXGBE_RDLEN(j), 544 adapter->num_rx_desc * sizeof(union ixgbe_adv_rx_desc)); 545 546 /* Set up the SRRCTL register */ 547 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(j)); 548 srrctl &= ~IXGBE_SRRCTL_BSIZEHDR_MASK; 549 srrctl &= ~IXGBE_SRRCTL_BSIZEPKT_MASK; 550 srrctl |= bufsz; 551 srrctl |= IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF; 552 553 /* 554 * Set DROP_EN iff we have no flow control and >1 queue. 555 * Note that srrctl was cleared shortly before during reset, 556 * so we do not need to clear the bit, but do it just in case 557 * this code is moved elsewhere. 558 */ 559 if (adapter->num_queues > 1 && 560 adapter->hw.fc.requested_mode == ixgbe_fc_none) { 561 srrctl |= IXGBE_SRRCTL_DROP_EN; 562 } else { 563 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 564 } 565 566 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(j), srrctl); 567 568 /* Setup the HW Rx Head and Tail Descriptor Pointers */ 569 IXGBE_WRITE_REG(hw, IXGBE_RDH(j), 0); 570 IXGBE_WRITE_REG(hw, IXGBE_RDT(j), 0); 571 572 /* Set the driver rx tail address */ 573 rxr->tail = IXGBE_RDT(rxr->me); 574 } 575 576 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 577 u32 psrtype = IXGBE_PSRTYPE_TCPHDR 578 | IXGBE_PSRTYPE_UDPHDR 579 | IXGBE_PSRTYPE_IPV4HDR 580 | IXGBE_PSRTYPE_IPV6HDR; 581 IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(0), psrtype); 582 } 583 584 rxcsum = IXGBE_READ_REG(hw, IXGBE_RXCSUM); 585 586 ixgbe_initialize_rss_mapping(adapter); 587 588 if (adapter->num_queues > 1) { 589 /* RSS and RX IPP Checksum are mutually exclusive */ 590 rxcsum |= IXGBE_RXCSUM_PCSD; 591 } 592 593 if (ifp->if_capenable & IFCAP_RXCSUM) 594 rxcsum |= IXGBE_RXCSUM_PCSD; 595 596 /* This is useful for calculating UDP/IP fragment checksums */ 597 if (!(rxcsum & IXGBE_RXCSUM_PCSD)) 598 rxcsum |= IXGBE_RXCSUM_IPPCSE; 599 600 IXGBE_WRITE_REG(hw, IXGBE_RXCSUM, rxcsum); 601 602 return; 603} /* ixgbe_initialize_receive_units */ 604 605/************************************************************************ 606 * ixgbe_initialize_transmit_units - Enable transmit units. 607 ************************************************************************/ 608static void 609ixgbe_initialize_transmit_units(struct adapter *adapter) 610{ 611 struct tx_ring *txr = adapter->tx_rings; 612 struct ixgbe_hw *hw = &adapter->hw; 613 614 /* Setup the Base and Length of the Tx Descriptor Ring */ 615 for (int i = 0; i < adapter->num_queues; i++, txr++) { 616 u64 tdba = txr->txdma.dma_paddr; 617 u32 txctrl = 0; 618 int j = txr->me; 619 620 IXGBE_WRITE_REG(hw, IXGBE_TDBAL(j), 621 (tdba & 0x00000000ffffffffULL)); 622 IXGBE_WRITE_REG(hw, IXGBE_TDBAH(j), (tdba >> 32)); 623 IXGBE_WRITE_REG(hw, IXGBE_TDLEN(j), 624 adapter->num_tx_desc * sizeof(union ixgbe_adv_tx_desc)); 625 626 /* Setup the HW Tx Head and Tail descriptor pointers */ 627 IXGBE_WRITE_REG(hw, IXGBE_TDH(j), 0); 628 IXGBE_WRITE_REG(hw, IXGBE_TDT(j), 0); 629 630 /* Cache the tail address */ 631 txr->tail = IXGBE_TDT(j); 632 633 /* Disable Head Writeback */ 634 /* 635 * Note: for X550 series devices, these registers are actually 636 * prefixed with TPH_ isntead of DCA_, but the addresses and 637 * fields remain the same. 638 */ 639 switch (hw->mac.type) { 640 case ixgbe_mac_82598EB: 641 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(j)); 642 break; 643 default: 644 txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(j)); 645 break; 646 } 647 txctrl &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN; 648 switch (hw->mac.type) { 649 case ixgbe_mac_82598EB: 650 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(j), txctrl); 651 break; 652 default: 653 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(j), txctrl); 654 break; 655 } 656 657 } 658 659 if (hw->mac.type != ixgbe_mac_82598EB) { 660 u32 dmatxctl, rttdcs; 661 662 dmatxctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); 663 dmatxctl |= IXGBE_DMATXCTL_TE; 664 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, dmatxctl); 665 /* Disable arbiter to set MTQC */ 666 rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS); 667 rttdcs |= IXGBE_RTTDCS_ARBDIS; 668 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); 669 IXGBE_WRITE_REG(hw, IXGBE_MTQC, 670 ixgbe_get_mtqc(adapter->iov_mode)); 671 rttdcs &= ~IXGBE_RTTDCS_ARBDIS; 672 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); 673 } 674 675 return; 676} /* ixgbe_initialize_transmit_units */ 677 678/************************************************************************ 679 * ixgbe_attach - Device initialization routine 680 * 681 * Called when the driver is being loaded. 682 * Identifies the type of hardware, allocates all resources 683 * and initializes the hardware. 684 * 685 * return 0 on success, positive on failure 686 ************************************************************************/ 687static int 688ixgbe_attach(device_t dev) 689{ 690 struct adapter *adapter; 691 struct ixgbe_hw *hw; 692 int error = 0; 693 u32 ctrl_ext; 694 695 INIT_DEBUGOUT("ixgbe_attach: begin"); 696 697 /* Allocate, clear, and link in our adapter structure */ 698 adapter = device_get_softc(dev); 699 adapter->hw.back = adapter; 700 adapter->dev = dev; 701 hw = &adapter->hw; 702 703 /* Core Lock Init*/ 704 IXGBE_CORE_LOCK_INIT(adapter, device_get_nameunit(dev)); 705 706 /* Set up the timer callout */ 707 callout_init_mtx(&adapter->timer, &adapter->core_mtx, 0); 708 709 /* Determine hardware revision */ 710 hw->vendor_id = pci_get_vendor(dev); 711 hw->device_id = pci_get_device(dev); 712 hw->revision_id = pci_get_revid(dev); 713 hw->subsystem_vendor_id = pci_get_subvendor(dev); 714 hw->subsystem_device_id = pci_get_subdevice(dev); 715 716 /* 717 * Make sure BUSMASTER is set 718 */ 719 pci_enable_busmaster(dev); 720 721 /* Do base PCI setup - map BAR0 */ 722 if (ixgbe_allocate_pci_resources(adapter)) { 723 device_printf(dev, "Allocation of PCI resources failed\n"); 724 error = ENXIO; 725 goto err_out; 726 } 727 728 /* let hardware know driver is loaded */ 729 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 730 ctrl_ext |= IXGBE_CTRL_EXT_DRV_LOAD; 731 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 732 733 hw->allow_unsupported_sfp = allow_unsupported_sfp; 734 735 /* 736 * Initialize the shared code 737 */ 738 if (ixgbe_init_shared_code(hw)) { 739 device_printf(dev, "Unable to initialize the shared code\n"); 740 error = ENXIO; 741 goto err_out; 742 } 743 744 if (hw->mbx.ops.init_params) 745 hw->mbx.ops.init_params(hw); 746 747 748 /* Pick up the 82599 settings */ 749 if (hw->mac.type != ixgbe_mac_82598EB) { 750 hw->phy.smart_speed = ixgbe_smart_speed; 751 adapter->num_segs = IXGBE_82599_SCATTER; 752 } else 753 adapter->num_segs = IXGBE_82598_SCATTER; 754 755 ixgbe_init_device_features(adapter); 756 757 if (ixgbe_configure_interrupts(adapter)) { 758 error = ENXIO; 759 goto err_out; 760 } 761 762 /* Allocate multicast array memory. */ 763 adapter->mta = malloc(sizeof(*adapter->mta) * 764 MAX_NUM_MULTICAST_ADDRESSES, M_IXGBE, M_NOWAIT); 765 if (adapter->mta == NULL) { 766 device_printf(dev, "Can not allocate multicast setup array\n"); 767 error = ENOMEM; 768 goto err_out; 769 } 770 771 /* Enable WoL (if supported) */ 772 ixgbe_check_wol_support(adapter); 773 774 /* Register for VLAN events */ 775 adapter->vlan_attach = EVENTHANDLER_REGISTER(vlan_config, 776 ixgbe_register_vlan, adapter, EVENTHANDLER_PRI_FIRST); 777 adapter->vlan_detach = EVENTHANDLER_REGISTER(vlan_unconfig, 778 ixgbe_unregister_vlan, adapter, EVENTHANDLER_PRI_FIRST); 779 780 /* Verify adapter fan is still functional (if applicable) */ 781 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 782 u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP); 783 ixgbe_check_fan_failure(adapter, esdp, FALSE); 784 } 785 786 /* Ensure SW/FW semaphore is free */ 787 ixgbe_init_swfw_semaphore(hw); 788 789 /* Enable EEE power saving */ 790 if (adapter->feat_en & IXGBE_FEATURE_EEE) 791 hw->mac.ops.setup_eee(hw, TRUE); 792 793 /* Set an initial default flow control value */ 794 hw->fc.requested_mode = ixgbe_flow_control; 795 796 /* Sysctls for limiting the amount of work done in the taskqueues */ 797 ixgbe_set_sysctl_value(adapter, "rx_processing_limit", 798 "max number of rx packets to process", 799 &adapter->rx_process_limit, ixgbe_rx_process_limit); 800 801 ixgbe_set_sysctl_value(adapter, "tx_processing_limit", 802 "max number of tx packets to process", 803 &adapter->tx_process_limit, ixgbe_tx_process_limit); 804 805 /* Do descriptor calc and sanity checks */ 806 if (((ixgbe_txd * sizeof(union ixgbe_adv_tx_desc)) % DBA_ALIGN) != 0 || 807 ixgbe_txd < MIN_TXD || ixgbe_txd > MAX_TXD) { 808 device_printf(dev, "TXD config issue, using default!\n"); 809 adapter->num_tx_desc = DEFAULT_TXD; 810 } else 811 adapter->num_tx_desc = ixgbe_txd; 812 813 /* 814 * With many RX rings it is easy to exceed the 815 * system mbuf allocation. Tuning nmbclusters 816 * can alleviate this. 817 */ 818 if (nmbclusters > 0) { 819 int s; 820 s = (ixgbe_rxd * adapter->num_queues) * ixgbe_total_ports; 821 if (s > nmbclusters) { 822 device_printf(dev, "RX Descriptors exceed system mbuf max, using default instead!\n"); 823 ixgbe_rxd = DEFAULT_RXD; 824 } 825 } 826 827 if (((ixgbe_rxd * sizeof(union ixgbe_adv_rx_desc)) % DBA_ALIGN) != 0 || 828 ixgbe_rxd < MIN_RXD || ixgbe_rxd > MAX_RXD) { 829 device_printf(dev, "RXD config issue, using default!\n"); 830 adapter->num_rx_desc = DEFAULT_RXD; 831 } else 832 adapter->num_rx_desc = ixgbe_rxd; 833 834 /* Allocate our TX/RX Queues */ 835 if (ixgbe_allocate_queues(adapter)) { 836 error = ENOMEM; 837 goto err_out; 838 } 839 840 hw->phy.reset_if_overtemp = TRUE; 841 error = ixgbe_reset_hw(hw); 842 hw->phy.reset_if_overtemp = FALSE; 843 if (error == IXGBE_ERR_SFP_NOT_PRESENT) { 844 /* 845 * No optics in this port, set up 846 * so the timer routine will probe 847 * for later insertion. 848 */ 849 adapter->sfp_probe = TRUE; 850 error = IXGBE_SUCCESS; 851 } else if (error == IXGBE_ERR_SFP_NOT_SUPPORTED) { 852 device_printf(dev, "Unsupported SFP+ module detected!\n"); 853 error = EIO; 854 goto err_late; 855 } else if (error) { 856 device_printf(dev, "Hardware initialization failed\n"); 857 error = EIO; 858 goto err_late; 859 } 860 861 /* Make sure we have a good EEPROM before we read from it */ 862 if (ixgbe_validate_eeprom_checksum(&adapter->hw, NULL) < 0) { 863 device_printf(dev, "The EEPROM Checksum Is Not Valid\n"); 864 error = EIO; 865 goto err_late; 866 } 867 868 /* Setup OS specific network interface */ 869 if (ixgbe_setup_interface(dev, adapter) != 0) 870 goto err_late; 871 872 if (adapter->feat_en & IXGBE_FEATURE_MSIX) 873 error = ixgbe_allocate_msix(adapter); 874 else 875 error = ixgbe_allocate_legacy(adapter); 876 if (error) 877 goto err_late; 878 879 error = ixgbe_start_hw(hw); 880 switch (error) { 881 case IXGBE_ERR_EEPROM_VERSION: 882 device_printf(dev, "This device is a pre-production adapter/LOM. Please be aware there may be issues associated with your hardware.\nIf you are experiencing problems please contact your Intel or hardware representative who provided you with this hardware.\n"); 883 break; 884 case IXGBE_ERR_SFP_NOT_SUPPORTED: 885 device_printf(dev, "Unsupported SFP+ Module\n"); 886 error = EIO; 887 goto err_late; 888 case IXGBE_ERR_SFP_NOT_PRESENT: 889 device_printf(dev, "No SFP+ Module found\n"); 890 /* falls thru */ 891 default: 892 break; 893 } 894 895 /* Enable the optics for 82599 SFP+ fiber */ 896 ixgbe_enable_tx_laser(hw); 897 898 /* Enable power to the phy. */ 899 ixgbe_set_phy_power(hw, TRUE); 900 901 /* Initialize statistics */ 902 ixgbe_update_stats_counters(adapter); 903 904 /* Check PCIE slot type/speed/width */ 905 ixgbe_get_slot_info(adapter); 906 907 /* 908 * Do time init and sysctl init here, but 909 * only on the first port of a bypass adapter. 910 */ 911 ixgbe_bypass_init(adapter); 912 913 /* Set an initial dmac value */ 914 adapter->dmac = 0; 915 /* Set initial advertised speeds (if applicable) */ 916 adapter->advertise = ixgbe_get_advertise(adapter); 917 918 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 919 ixgbe_define_iov_schemas(dev, &error); 920 921 /* Add sysctls */ 922 ixgbe_add_device_sysctls(adapter); 923 ixgbe_add_hw_stats(adapter); 924 925 /* For Netmap */ 926 adapter->init_locked = ixgbe_init_locked; 927 adapter->stop_locked = ixgbe_stop; 928 929 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 930 ixgbe_netmap_attach(adapter); 931 932 INIT_DEBUGOUT("ixgbe_attach: end"); 933 934 return (0); 935 936err_late: 937 ixgbe_free_transmit_structures(adapter); 938 ixgbe_free_receive_structures(adapter); 939 free(adapter->queues, M_DEVBUF); 940err_out: 941 if (adapter->ifp != NULL) 942 if_free(adapter->ifp); 943 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 944 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 945 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 946 ixgbe_free_pci_resources(adapter); 947 free(adapter->mta, M_IXGBE); 948 IXGBE_CORE_LOCK_DESTROY(adapter); 949 950 return (error); 951} /* ixgbe_attach */ 952 953/************************************************************************ 954 * ixgbe_check_wol_support 955 * 956 * Checks whether the adapter's ports are capable of 957 * Wake On LAN by reading the adapter's NVM. 958 * 959 * Sets each port's hw->wol_enabled value depending 960 * on the value read here. 961 ************************************************************************/ 962static void 963ixgbe_check_wol_support(struct adapter *adapter) 964{ 965 struct ixgbe_hw *hw = &adapter->hw; 966 u16 dev_caps = 0; 967 968 /* Find out WoL support for port */ 969 adapter->wol_support = hw->wol_enabled = 0; 970 ixgbe_get_device_caps(hw, &dev_caps); 971 if ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0_1) || 972 ((dev_caps & IXGBE_DEVICE_CAPS_WOL_PORT0) && 973 hw->bus.func == 0)) 974 adapter->wol_support = hw->wol_enabled = 1; 975 976 /* Save initial wake up filter configuration */ 977 adapter->wufc = IXGBE_READ_REG(hw, IXGBE_WUFC); 978 979 return; 980} /* ixgbe_check_wol_support */ 981 982/************************************************************************ 983 * ixgbe_setup_interface 984 * 985 * Setup networking device structure and register an interface. 986 ************************************************************************/ 987static int 988ixgbe_setup_interface(device_t dev, struct adapter *adapter) 989{ 990 struct ifnet *ifp; 991 992 INIT_DEBUGOUT("ixgbe_setup_interface: begin"); 993 994 ifp = adapter->ifp = if_alloc(IFT_ETHER); 995 if (ifp == NULL) { 996 device_printf(dev, "can not allocate ifnet structure\n"); 997 return (-1); 998 } 999 if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 1000 ifp->if_baudrate = IF_Gbps(10); 1001 ifp->if_init = ixgbe_init; 1002 ifp->if_softc = adapter; 1003 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 1004 ifp->if_ioctl = ixgbe_ioctl; 1005#if __FreeBSD_version >= 1100036 1006 if_setgetcounterfn(ifp, ixgbe_get_counter); 1007#endif 1008#if __FreeBSD_version >= 1100045 1009 /* TSO parameters */ 1010 ifp->if_hw_tsomax = 65518; 1011 ifp->if_hw_tsomaxsegcount = IXGBE_82599_SCATTER; 1012 ifp->if_hw_tsomaxsegsize = 2048; 1013#endif 1014 if (adapter->feat_en & IXGBE_FEATURE_LEGACY_TX) { 1015 ifp->if_start = ixgbe_legacy_start; 1016 IFQ_SET_MAXLEN(&ifp->if_snd, adapter->num_tx_desc - 2); 1017 ifp->if_snd.ifq_drv_maxlen = adapter->num_tx_desc - 2; 1018 IFQ_SET_READY(&ifp->if_snd); 1019 ixgbe_start_locked = ixgbe_legacy_start_locked; 1020 ixgbe_ring_empty = ixgbe_legacy_ring_empty; 1021 } else { 1022 ifp->if_transmit = ixgbe_mq_start; 1023 ifp->if_qflush = ixgbe_qflush; 1024 ixgbe_start_locked = ixgbe_mq_start_locked; 1025 ixgbe_ring_empty = drbr_empty; 1026 } 1027 1028 ether_ifattach(ifp, adapter->hw.mac.addr); 1029 1030 adapter->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 1031 1032 /* 1033 * Tell the upper layer(s) we support long frames. 1034 */ 1035 ifp->if_hdrlen = sizeof(struct ether_vlan_header); 1036 1037 /* Set capability flags */ 1038 ifp->if_capabilities |= IFCAP_HWCSUM 1039 | IFCAP_HWCSUM_IPV6 1040 | IFCAP_TSO 1041 | IFCAP_LRO 1042 | IFCAP_VLAN_HWTAGGING 1043 | IFCAP_VLAN_HWTSO 1044 | IFCAP_VLAN_HWCSUM 1045 | IFCAP_JUMBO_MTU 1046 | IFCAP_VLAN_MTU 1047 | IFCAP_HWSTATS; 1048 1049 /* Enable the above capabilities by default */ 1050 ifp->if_capenable = ifp->if_capabilities; 1051 1052 /* 1053 * Don't turn this on by default, if vlans are 1054 * created on another pseudo device (eg. lagg) 1055 * then vlan events are not passed thru, breaking 1056 * operation, but with HW FILTER off it works. If 1057 * using vlans directly on the ixgbe driver you can 1058 * enable this and get full hardware tag filtering. 1059 */ 1060 ifp->if_capabilities |= IFCAP_VLAN_HWFILTER; 1061 1062 /* 1063 * Specify the media types supported by this adapter and register 1064 * callbacks to update media and link information 1065 */ 1066 ifmedia_init(&adapter->media, IFM_IMASK, ixgbe_media_change, 1067 ixgbe_media_status); 1068 1069 adapter->phy_layer = ixgbe_get_supported_physical_layer(&adapter->hw); 1070 ixgbe_add_media_types(adapter); 1071 1072 /* Set autoselect media by default */ 1073 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 1074 1075 return (0); 1076} /* ixgbe_setup_interface */ 1077 1078#if __FreeBSD_version >= 1100036 1079/************************************************************************ 1080 * ixgbe_get_counter 1081 ************************************************************************/ 1082static uint64_t 1083ixgbe_get_counter(struct ifnet *ifp, ift_counter cnt) 1084{ 1085 struct adapter *adapter; 1086 struct tx_ring *txr; 1087 uint64_t rv; 1088 1089 adapter = if_getsoftc(ifp); 1090 1091 switch (cnt) { 1092 case IFCOUNTER_IPACKETS: 1093 return (adapter->ipackets); 1094 case IFCOUNTER_OPACKETS: 1095 return (adapter->opackets); 1096 case IFCOUNTER_IBYTES: 1097 return (adapter->ibytes); 1098 case IFCOUNTER_OBYTES: 1099 return (adapter->obytes); 1100 case IFCOUNTER_IMCASTS: 1101 return (adapter->imcasts); 1102 case IFCOUNTER_OMCASTS: 1103 return (adapter->omcasts); 1104 case IFCOUNTER_COLLISIONS: 1105 return (0); 1106 case IFCOUNTER_IQDROPS: 1107 return (adapter->iqdrops); 1108 case IFCOUNTER_OQDROPS: 1109 rv = 0; 1110 txr = adapter->tx_rings; 1111 for (int i = 0; i < adapter->num_queues; i++, txr++) 1112 rv += txr->br->br_drops; 1113 return (rv); 1114 case IFCOUNTER_IERRORS: 1115 return (adapter->ierrors); 1116 default: 1117 return (if_get_counter_default(ifp, cnt)); 1118 } 1119} /* ixgbe_get_counter */ 1120#endif 1121 1122/************************************************************************ 1123 * ixgbe_add_media_types 1124 ************************************************************************/ 1125static void 1126ixgbe_add_media_types(struct adapter *adapter) 1127{ 1128 struct ixgbe_hw *hw = &adapter->hw; 1129 device_t dev = adapter->dev; 1130 u64 layer; 1131 1132 layer = adapter->phy_layer; 1133 1134 /* Media types with matching FreeBSD media defines */ 1135 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T) 1136 ifmedia_add(&adapter->media, IFM_ETHER | IFM_10G_T, 0, NULL); 1137 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_T) 1138 ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_T, 0, NULL); 1139 if (layer & IXGBE_PHYSICAL_LAYER_100BASE_TX) 1140 ifmedia_add(&adapter->media, IFM_ETHER | IFM_100_TX, 0, NULL); 1141 if (layer & IXGBE_PHYSICAL_LAYER_10BASE_T) 1142 ifmedia_add(&adapter->media, IFM_ETHER | IFM_10_T, 0, NULL); 1143 1144 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 1145 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) 1146 ifmedia_add(&adapter->media, IFM_ETHER | IFM_10G_TWINAX, 0, 1147 NULL); 1148 1149 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) { 1150 ifmedia_add(&adapter->media, IFM_ETHER | IFM_10G_LR, 0, NULL); 1151 if (hw->phy.multispeed_fiber) 1152 ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_LX, 0, 1153 NULL); 1154 } 1155 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR) { 1156 ifmedia_add(&adapter->media, IFM_ETHER | IFM_10G_SR, 0, NULL); 1157 if (hw->phy.multispeed_fiber) 1158 ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_SX, 0, 1159 NULL); 1160 } else if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) 1161 ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_SX, 0, NULL); 1162 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) 1163 ifmedia_add(&adapter->media, IFM_ETHER | IFM_10G_CX4, 0, NULL); 1164 1165#ifdef IFM_ETH_XTYPE 1166 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) 1167 ifmedia_add(&adapter->media, IFM_ETHER | IFM_10G_KR, 0, NULL); 1168 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4) 1169 ifmedia_add(&adapter->media, IFM_ETHER | IFM_10G_KX4, 0, NULL); 1170 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) 1171 ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_KX, 0, NULL); 1172 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX) 1173 ifmedia_add(&adapter->media, IFM_ETHER | IFM_2500_KX, 0, NULL); 1174#else 1175 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) { 1176 device_printf(dev, "Media supported: 10GbaseKR\n"); 1177 device_printf(dev, "10GbaseKR mapped to 10GbaseSR\n"); 1178 ifmedia_add(&adapter->media, IFM_ETHER | IFM_10G_SR, 0, NULL); 1179 } 1180 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4) { 1181 device_printf(dev, "Media supported: 10GbaseKX4\n"); 1182 device_printf(dev, "10GbaseKX4 mapped to 10GbaseCX4\n"); 1183 ifmedia_add(&adapter->media, IFM_ETHER | IFM_10G_CX4, 0, NULL); 1184 } 1185 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) { 1186 device_printf(dev, "Media supported: 1000baseKX\n"); 1187 device_printf(dev, "1000baseKX mapped to 1000baseCX\n"); 1188 ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_CX, 0, NULL); 1189 } 1190 if (layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX) { 1191 device_printf(dev, "Media supported: 2500baseKX\n"); 1192 device_printf(dev, "2500baseKX mapped to 2500baseSX\n"); 1193 ifmedia_add(&adapter->media, IFM_ETHER | IFM_2500_SX, 0, NULL); 1194 } 1195#endif 1196 if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_BX) 1197 device_printf(dev, "Media supported: 1000baseBX\n"); 1198 1199 if (hw->device_id == IXGBE_DEV_ID_82598AT) { 1200 ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_T | IFM_FDX, 1201 0, NULL); 1202 ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_T, 0, NULL); 1203 } 1204 1205 ifmedia_add(&adapter->media, IFM_ETHER | IFM_AUTO, 0, NULL); 1206} /* ixgbe_add_media_types */ 1207 1208/************************************************************************ 1209 * ixgbe_is_sfp 1210 ************************************************************************/ 1211static inline bool 1212ixgbe_is_sfp(struct ixgbe_hw *hw) 1213{ 1214 switch (hw->mac.type) { 1215 case ixgbe_mac_82598EB: 1216 if (hw->phy.type == ixgbe_phy_nl) 1217 return TRUE; 1218 return FALSE; 1219 case ixgbe_mac_82599EB: 1220 switch (hw->mac.ops.get_media_type(hw)) { 1221 case ixgbe_media_type_fiber: 1222 case ixgbe_media_type_fiber_qsfp: 1223 return TRUE; 1224 default: 1225 return FALSE; 1226 } 1227 case ixgbe_mac_X550EM_x: 1228 case ixgbe_mac_X550EM_a: 1229 if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) 1230 return TRUE; 1231 return FALSE; 1232 default: 1233 return FALSE; 1234 } 1235} /* ixgbe_is_sfp */ 1236 1237/************************************************************************ 1238 * ixgbe_config_link 1239 ************************************************************************/ 1240static void 1241ixgbe_config_link(struct adapter *adapter) 1242{ 1243 struct ixgbe_hw *hw = &adapter->hw; 1244 u32 autoneg, err = 0; 1245 bool sfp, negotiate; 1246 1247 sfp = ixgbe_is_sfp(hw); 1248 1249 if (sfp) { 1250 if (hw->phy.multispeed_fiber) { 1251 hw->mac.ops.setup_sfp(hw); 1252 ixgbe_enable_tx_laser(hw); 1253 taskqueue_enqueue(adapter->tq, &adapter->msf_task); 1254 } else 1255 taskqueue_enqueue(adapter->tq, &adapter->mod_task); 1256 } else { 1257 if (hw->mac.ops.check_link) 1258 err = ixgbe_check_link(hw, &adapter->link_speed, 1259 &adapter->link_up, FALSE); 1260 if (err) 1261 goto out; 1262 autoneg = hw->phy.autoneg_advertised; 1263 if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) 1264 err = hw->mac.ops.get_link_capabilities(hw, &autoneg, 1265 &negotiate); 1266 if (err) 1267 goto out; 1268 if (hw->mac.ops.setup_link) 1269 err = hw->mac.ops.setup_link(hw, autoneg, 1270 adapter->link_up); 1271 } 1272out: 1273 1274 return; 1275} /* ixgbe_config_link */ 1276 1277/************************************************************************ 1278 * ixgbe_update_stats_counters - Update board statistics counters. 1279 ************************************************************************/ 1280static void 1281ixgbe_update_stats_counters(struct adapter *adapter) 1282{ 1283 struct ixgbe_hw *hw = &adapter->hw; 1284 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1285 u32 missed_rx = 0, bprc, lxon, lxoff, total; 1286 u64 total_missed_rx = 0; 1287 1288 stats->crcerrs += IXGBE_READ_REG(hw, IXGBE_CRCERRS); 1289 stats->illerrc += IXGBE_READ_REG(hw, IXGBE_ILLERRC); 1290 stats->errbc += IXGBE_READ_REG(hw, IXGBE_ERRBC); 1291 stats->mspdc += IXGBE_READ_REG(hw, IXGBE_MSPDC); 1292 stats->mpc[0] += IXGBE_READ_REG(hw, IXGBE_MPC(0)); 1293 1294 for (int i = 0; i < 16; i++) { 1295 stats->qprc[i] += IXGBE_READ_REG(hw, IXGBE_QPRC(i)); 1296 stats->qptc[i] += IXGBE_READ_REG(hw, IXGBE_QPTC(i)); 1297 stats->qprdc[i] += IXGBE_READ_REG(hw, IXGBE_QPRDC(i)); 1298 } 1299 stats->mlfc += IXGBE_READ_REG(hw, IXGBE_MLFC); 1300 stats->mrfc += IXGBE_READ_REG(hw, IXGBE_MRFC); 1301 stats->rlec += IXGBE_READ_REG(hw, IXGBE_RLEC); 1302 1303 /* Hardware workaround, gprc counts missed packets */ 1304 stats->gprc += IXGBE_READ_REG(hw, IXGBE_GPRC); 1305 stats->gprc -= missed_rx; 1306 1307 if (hw->mac.type != ixgbe_mac_82598EB) { 1308 stats->gorc += IXGBE_READ_REG(hw, IXGBE_GORCL) + 1309 ((u64)IXGBE_READ_REG(hw, IXGBE_GORCH) << 32); 1310 stats->gotc += IXGBE_READ_REG(hw, IXGBE_GOTCL) + 1311 ((u64)IXGBE_READ_REG(hw, IXGBE_GOTCH) << 32); 1312 stats->tor += IXGBE_READ_REG(hw, IXGBE_TORL) + 1313 ((u64)IXGBE_READ_REG(hw, IXGBE_TORH) << 32); 1314 stats->lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT); 1315 stats->lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT); 1316 } else { 1317 stats->lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXC); 1318 stats->lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC); 1319 /* 82598 only has a counter in the high register */ 1320 stats->gorc += IXGBE_READ_REG(hw, IXGBE_GORCH); 1321 stats->gotc += IXGBE_READ_REG(hw, IXGBE_GOTCH); 1322 stats->tor += IXGBE_READ_REG(hw, IXGBE_TORH); 1323 } 1324 1325 /* 1326 * Workaround: mprc hardware is incorrectly counting 1327 * broadcasts, so for now we subtract those. 1328 */ 1329 bprc = IXGBE_READ_REG(hw, IXGBE_BPRC); 1330 stats->bprc += bprc; 1331 stats->mprc += IXGBE_READ_REG(hw, IXGBE_MPRC); 1332 if (hw->mac.type == ixgbe_mac_82598EB) 1333 stats->mprc -= bprc; 1334 1335 stats->prc64 += IXGBE_READ_REG(hw, IXGBE_PRC64); 1336 stats->prc127 += IXGBE_READ_REG(hw, IXGBE_PRC127); 1337 stats->prc255 += IXGBE_READ_REG(hw, IXGBE_PRC255); 1338 stats->prc511 += IXGBE_READ_REG(hw, IXGBE_PRC511); 1339 stats->prc1023 += IXGBE_READ_REG(hw, IXGBE_PRC1023); 1340 stats->prc1522 += IXGBE_READ_REG(hw, IXGBE_PRC1522); 1341 1342 lxon = IXGBE_READ_REG(hw, IXGBE_LXONTXC); 1343 stats->lxontxc += lxon; 1344 lxoff = IXGBE_READ_REG(hw, IXGBE_LXOFFTXC); 1345 stats->lxofftxc += lxoff; 1346 total = lxon + lxoff; 1347 1348 stats->gptc += IXGBE_READ_REG(hw, IXGBE_GPTC); 1349 stats->mptc += IXGBE_READ_REG(hw, IXGBE_MPTC); 1350 stats->ptc64 += IXGBE_READ_REG(hw, IXGBE_PTC64); 1351 stats->gptc -= total; 1352 stats->mptc -= total; 1353 stats->ptc64 -= total; 1354 stats->gotc -= total * ETHER_MIN_LEN; 1355 1356 stats->ruc += IXGBE_READ_REG(hw, IXGBE_RUC); 1357 stats->rfc += IXGBE_READ_REG(hw, IXGBE_RFC); 1358 stats->roc += IXGBE_READ_REG(hw, IXGBE_ROC); 1359 stats->rjc += IXGBE_READ_REG(hw, IXGBE_RJC); 1360 stats->mngprc += IXGBE_READ_REG(hw, IXGBE_MNGPRC); 1361 stats->mngpdc += IXGBE_READ_REG(hw, IXGBE_MNGPDC); 1362 stats->mngptc += IXGBE_READ_REG(hw, IXGBE_MNGPTC); 1363 stats->tpr += IXGBE_READ_REG(hw, IXGBE_TPR); 1364 stats->tpt += IXGBE_READ_REG(hw, IXGBE_TPT); 1365 stats->ptc127 += IXGBE_READ_REG(hw, IXGBE_PTC127); 1366 stats->ptc255 += IXGBE_READ_REG(hw, IXGBE_PTC255); 1367 stats->ptc511 += IXGBE_READ_REG(hw, IXGBE_PTC511); 1368 stats->ptc1023 += IXGBE_READ_REG(hw, IXGBE_PTC1023); 1369 stats->ptc1522 += IXGBE_READ_REG(hw, IXGBE_PTC1522); 1370 stats->bptc += IXGBE_READ_REG(hw, IXGBE_BPTC); 1371 stats->xec += IXGBE_READ_REG(hw, IXGBE_XEC); 1372 stats->fccrc += IXGBE_READ_REG(hw, IXGBE_FCCRC); 1373 stats->fclast += IXGBE_READ_REG(hw, IXGBE_FCLAST); 1374 /* Only read FCOE on 82599 */ 1375 if (hw->mac.type != ixgbe_mac_82598EB) { 1376 stats->fcoerpdc += IXGBE_READ_REG(hw, IXGBE_FCOERPDC); 1377 stats->fcoeprc += IXGBE_READ_REG(hw, IXGBE_FCOEPRC); 1378 stats->fcoeptc += IXGBE_READ_REG(hw, IXGBE_FCOEPTC); 1379 stats->fcoedwrc += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC); 1380 stats->fcoedwtc += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC); 1381 } 1382 1383 /* Fill out the OS statistics structure */ 1384 IXGBE_SET_IPACKETS(adapter, stats->gprc); 1385 IXGBE_SET_OPACKETS(adapter, stats->gptc); 1386 IXGBE_SET_IBYTES(adapter, stats->gorc); 1387 IXGBE_SET_OBYTES(adapter, stats->gotc); 1388 IXGBE_SET_IMCASTS(adapter, stats->mprc); 1389 IXGBE_SET_OMCASTS(adapter, stats->mptc); 1390 IXGBE_SET_COLLISIONS(adapter, 0); 1391 IXGBE_SET_IQDROPS(adapter, total_missed_rx); 1392 IXGBE_SET_IERRORS(adapter, stats->crcerrs + stats->rlec); 1393} /* ixgbe_update_stats_counters */ 1394 1395/************************************************************************ 1396 * ixgbe_add_hw_stats 1397 * 1398 * Add sysctl variables, one per statistic, to the system. 1399 ************************************************************************/ 1400static void 1401ixgbe_add_hw_stats(struct adapter *adapter) 1402{ 1403 device_t dev = adapter->dev; 1404 struct tx_ring *txr = adapter->tx_rings; 1405 struct rx_ring *rxr = adapter->rx_rings; 1406 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(dev); 1407 struct sysctl_oid *tree = device_get_sysctl_tree(dev); 1408 struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree); 1409 struct ixgbe_hw_stats *stats = &adapter->stats.pf; 1410 struct sysctl_oid *stat_node, *queue_node; 1411 struct sysctl_oid_list *stat_list, *queue_list; 1412 1413#define QUEUE_NAME_LEN 32 1414 char namebuf[QUEUE_NAME_LEN]; 1415 1416 /* Driver Statistics */ 1417 SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "dropped", 1418 CTLFLAG_RD, &adapter->dropped_pkts, "Driver dropped packets"); 1419 SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "mbuf_defrag_failed", 1420 CTLFLAG_RD, &adapter->mbuf_defrag_failed, "m_defrag() failed"); 1421 SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "watchdog_events", 1422 CTLFLAG_RD, &adapter->watchdog_events, "Watchdog timeouts"); 1423 SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "link_irq", 1424 CTLFLAG_RD, &adapter->link_irq, "Link MSI-X IRQ Handled"); 1425 1426 for (int i = 0; i < adapter->num_queues; i++, txr++) { 1427 snprintf(namebuf, QUEUE_NAME_LEN, "queue%d", i); 1428 queue_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, namebuf, 1429 CTLFLAG_RD, NULL, "Queue Name"); 1430 queue_list = SYSCTL_CHILDREN(queue_node); 1431 1432 SYSCTL_ADD_PROC(ctx, queue_list, OID_AUTO, "interrupt_rate", 1433 CTLTYPE_UINT | CTLFLAG_RW, &adapter->queues[i], 1434 sizeof(&adapter->queues[i]), 1435 ixgbe_sysctl_interrupt_rate_handler, "IU", 1436 "Interrupt Rate"); 1437 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "irqs", 1438 CTLFLAG_RD, &(adapter->queues[i].irqs), 1439 "irqs on this queue"); 1440 SYSCTL_ADD_PROC(ctx, queue_list, OID_AUTO, "txd_head", 1441 CTLTYPE_UINT | CTLFLAG_RD, txr, sizeof(txr), 1442 ixgbe_sysctl_tdh_handler, "IU", "Transmit Descriptor Head"); 1443 SYSCTL_ADD_PROC(ctx, queue_list, OID_AUTO, "txd_tail", 1444 CTLTYPE_UINT | CTLFLAG_RD, txr, sizeof(txr), 1445 ixgbe_sysctl_tdt_handler, "IU", "Transmit Descriptor Tail"); 1446 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "tso_tx", 1447 CTLFLAG_RD, &txr->tso_tx, "TSO"); 1448 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "no_tx_dma_setup", 1449 CTLFLAG_RD, &txr->no_tx_dma_setup, 1450 "Driver tx dma failure in xmit"); 1451 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "no_desc_avail", 1452 CTLFLAG_RD, &txr->no_desc_avail, 1453 "Queue No Descriptor Available"); 1454 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "tx_packets", 1455 CTLFLAG_RD, &txr->total_packets, 1456 "Queue Packets Transmitted"); 1457 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "br_drops", 1458 CTLFLAG_RD, &txr->br->br_drops, 1459 "Packets dropped in buf_ring"); 1460 } 1461 1462 for (int i = 0; i < adapter->num_queues; i++, rxr++) { 1463 struct lro_ctrl *lro = &rxr->lro; 1464 1465 snprintf(namebuf, QUEUE_NAME_LEN, "queue%d", i); 1466 queue_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, namebuf, 1467 CTLFLAG_RD, NULL, "Queue Name"); 1468 queue_list = SYSCTL_CHILDREN(queue_node); 1469 1470 SYSCTL_ADD_PROC(ctx, queue_list, OID_AUTO, "rxd_head", 1471 CTLTYPE_UINT | CTLFLAG_RD, rxr, sizeof(rxr), 1472 ixgbe_sysctl_rdh_handler, "IU", "Receive Descriptor Head"); 1473 SYSCTL_ADD_PROC(ctx, queue_list, OID_AUTO, "rxd_tail", 1474 CTLTYPE_UINT | CTLFLAG_RD, rxr, sizeof(rxr), 1475 ixgbe_sysctl_rdt_handler, "IU", "Receive Descriptor Tail"); 1476 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "rx_packets", 1477 CTLFLAG_RD, &rxr->rx_packets, "Queue Packets Received"); 1478 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "rx_bytes", 1479 CTLFLAG_RD, &rxr->rx_bytes, "Queue Bytes Received"); 1480 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "rx_copies", 1481 CTLFLAG_RD, &rxr->rx_copies, "Copied RX Frames"); 1482 SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "rx_discarded", 1483 CTLFLAG_RD, &rxr->rx_discarded, "Discarded RX packets"); 1484 SYSCTL_ADD_U64(ctx, queue_list, OID_AUTO, "lro_queued", 1485 CTLFLAG_RD, &lro->lro_queued, 0, "LRO Queued"); 1486 SYSCTL_ADD_U64(ctx, queue_list, OID_AUTO, "lro_flushed", 1487 CTLFLAG_RD, &lro->lro_flushed, 0, "LRO Flushed"); 1488 } 1489 1490 /* MAC stats get their own sub node */ 1491 1492 stat_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "mac_stats", 1493 CTLFLAG_RD, NULL, "MAC Statistics"); 1494 stat_list = SYSCTL_CHILDREN(stat_node); 1495 1496 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "crc_errs", 1497 CTLFLAG_RD, &stats->crcerrs, "CRC Errors"); 1498 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "ill_errs", 1499 CTLFLAG_RD, &stats->illerrc, "Illegal Byte Errors"); 1500 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "byte_errs", 1501 CTLFLAG_RD, &stats->errbc, "Byte Errors"); 1502 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "short_discards", 1503 CTLFLAG_RD, &stats->mspdc, "MAC Short Packets Discarded"); 1504 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "local_faults", 1505 CTLFLAG_RD, &stats->mlfc, "MAC Local Faults"); 1506 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "remote_faults", 1507 CTLFLAG_RD, &stats->mrfc, "MAC Remote Faults"); 1508 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rec_len_errs", 1509 CTLFLAG_RD, &stats->rlec, "Receive Length Errors"); 1510 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_missed_packets", 1511 CTLFLAG_RD, &stats->mpc[0], "RX Missed Packet Count"); 1512 1513 /* Flow Control stats */ 1514 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "xon_txd", 1515 CTLFLAG_RD, &stats->lxontxc, "Link XON Transmitted"); 1516 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "xon_recvd", 1517 CTLFLAG_RD, &stats->lxonrxc, "Link XON Received"); 1518 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "xoff_txd", 1519 CTLFLAG_RD, &stats->lxofftxc, "Link XOFF Transmitted"); 1520 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "xoff_recvd", 1521 CTLFLAG_RD, &stats->lxoffrxc, "Link XOFF Received"); 1522 1523 /* Packet Reception Stats */ 1524 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "total_octets_rcvd", 1525 CTLFLAG_RD, &stats->tor, "Total Octets Received"); 1526 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_octets_rcvd", 1527 CTLFLAG_RD, &stats->gorc, "Good Octets Received"); 1528 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "total_pkts_rcvd", 1529 CTLFLAG_RD, &stats->tpr, "Total Packets Received"); 1530 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_pkts_rcvd", 1531 CTLFLAG_RD, &stats->gprc, "Good Packets Received"); 1532 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mcast_pkts_rcvd", 1533 CTLFLAG_RD, &stats->mprc, "Multicast Packets Received"); 1534 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "bcast_pkts_rcvd", 1535 CTLFLAG_RD, &stats->bprc, "Broadcast Packets Received"); 1536 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_64", 1537 CTLFLAG_RD, &stats->prc64, "64 byte frames received "); 1538 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_65_127", 1539 CTLFLAG_RD, &stats->prc127, "65-127 byte frames received"); 1540 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_128_255", 1541 CTLFLAG_RD, &stats->prc255, "128-255 byte frames received"); 1542 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_256_511", 1543 CTLFLAG_RD, &stats->prc511, "256-511 byte frames received"); 1544 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_512_1023", 1545 CTLFLAG_RD, &stats->prc1023, "512-1023 byte frames received"); 1546 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_1024_1522", 1547 CTLFLAG_RD, &stats->prc1522, "1023-1522 byte frames received"); 1548 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "recv_undersized", 1549 CTLFLAG_RD, &stats->ruc, "Receive Undersized"); 1550 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "recv_fragmented", 1551 CTLFLAG_RD, &stats->rfc, "Fragmented Packets Received "); 1552 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "recv_oversized", 1553 CTLFLAG_RD, &stats->roc, "Oversized Packets Received"); 1554 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "recv_jabberd", 1555 CTLFLAG_RD, &stats->rjc, "Received Jabber"); 1556 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "management_pkts_rcvd", 1557 CTLFLAG_RD, &stats->mngprc, "Management Packets Received"); 1558 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "management_pkts_drpd", 1559 CTLFLAG_RD, &stats->mngptc, "Management Packets Dropped"); 1560 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "checksum_errs", 1561 CTLFLAG_RD, &stats->xec, "Checksum Errors"); 1562 1563 /* Packet Transmission Stats */ 1564 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_octets_txd", 1565 CTLFLAG_RD, &stats->gotc, "Good Octets Transmitted"); 1566 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "total_pkts_txd", 1567 CTLFLAG_RD, &stats->tpt, "Total Packets Transmitted"); 1568 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_pkts_txd", 1569 CTLFLAG_RD, &stats->gptc, "Good Packets Transmitted"); 1570 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "bcast_pkts_txd", 1571 CTLFLAG_RD, &stats->bptc, "Broadcast Packets Transmitted"); 1572 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mcast_pkts_txd", 1573 CTLFLAG_RD, &stats->mptc, "Multicast Packets Transmitted"); 1574 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "management_pkts_txd", 1575 CTLFLAG_RD, &stats->mngptc, "Management Packets Transmitted"); 1576 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_64", 1577 CTLFLAG_RD, &stats->ptc64, "64 byte frames transmitted "); 1578 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_65_127", 1579 CTLFLAG_RD, &stats->ptc127, "65-127 byte frames transmitted"); 1580 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_128_255", 1581 CTLFLAG_RD, &stats->ptc255, "128-255 byte frames transmitted"); 1582 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_256_511", 1583 CTLFLAG_RD, &stats->ptc511, "256-511 byte frames transmitted"); 1584 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_512_1023", 1585 CTLFLAG_RD, &stats->ptc1023, "512-1023 byte frames transmitted"); 1586 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_1024_1522", 1587 CTLFLAG_RD, &stats->ptc1522, "1024-1522 byte frames transmitted"); 1588} /* ixgbe_add_hw_stats */ 1589 1590/************************************************************************ 1591 * ixgbe_sysctl_tdh_handler - Transmit Descriptor Head handler function 1592 * 1593 * Retrieves the TDH value from the hardware 1594 ************************************************************************/ 1595static int 1596ixgbe_sysctl_tdh_handler(SYSCTL_HANDLER_ARGS) 1597{ 1598 struct tx_ring *txr = ((struct tx_ring *)oidp->oid_arg1); 1599 int error; 1600 unsigned int val; 1601 1602 if (!txr) 1603 return (0); 1604 1605 val = IXGBE_READ_REG(&txr->adapter->hw, IXGBE_TDH(txr->me)); 1606 error = sysctl_handle_int(oidp, &val, 0, req); 1607 if (error || !req->newptr) 1608 return error; 1609 1610 return (0); 1611} /* ixgbe_sysctl_tdh_handler */ 1612 1613/************************************************************************ 1614 * ixgbe_sysctl_tdt_handler - Transmit Descriptor Tail handler function 1615 * 1616 * Retrieves the TDT value from the hardware 1617 ************************************************************************/ 1618static int 1619ixgbe_sysctl_tdt_handler(SYSCTL_HANDLER_ARGS) 1620{ 1621 struct tx_ring *txr = ((struct tx_ring *)oidp->oid_arg1); 1622 int error; 1623 unsigned int val; 1624 1625 if (!txr) 1626 return (0); 1627 1628 val = IXGBE_READ_REG(&txr->adapter->hw, IXGBE_TDT(txr->me)); 1629 error = sysctl_handle_int(oidp, &val, 0, req); 1630 if (error || !req->newptr) 1631 return error; 1632 1633 return (0); 1634} /* ixgbe_sysctl_tdt_handler */ 1635 1636/************************************************************************ 1637 * ixgbe_sysctl_rdh_handler - Receive Descriptor Head handler function 1638 * 1639 * Retrieves the RDH value from the hardware 1640 ************************************************************************/ 1641static int 1642ixgbe_sysctl_rdh_handler(SYSCTL_HANDLER_ARGS) 1643{ 1644 struct rx_ring *rxr = ((struct rx_ring *)oidp->oid_arg1); 1645 int error; 1646 unsigned int val; 1647 1648 if (!rxr) 1649 return (0); 1650 1651 val = IXGBE_READ_REG(&rxr->adapter->hw, IXGBE_RDH(rxr->me)); 1652 error = sysctl_handle_int(oidp, &val, 0, req); 1653 if (error || !req->newptr) 1654 return error; 1655 1656 return (0); 1657} /* ixgbe_sysctl_rdh_handler */ 1658 1659/************************************************************************ 1660 * ixgbe_sysctl_rdt_handler - Receive Descriptor Tail handler function 1661 * 1662 * Retrieves the RDT value from the hardware 1663 ************************************************************************/ 1664static int 1665ixgbe_sysctl_rdt_handler(SYSCTL_HANDLER_ARGS) 1666{ 1667 struct rx_ring *rxr = ((struct rx_ring *)oidp->oid_arg1); 1668 int error; 1669 unsigned int val; 1670 1671 if (!rxr) 1672 return (0); 1673 1674 val = IXGBE_READ_REG(&rxr->adapter->hw, IXGBE_RDT(rxr->me)); 1675 error = sysctl_handle_int(oidp, &val, 0, req); 1676 if (error || !req->newptr) 1677 return error; 1678 1679 return (0); 1680} /* ixgbe_sysctl_rdt_handler */ 1681 1682/************************************************************************ 1683 * ixgbe_register_vlan 1684 * 1685 * Run via vlan config EVENT, it enables us to use the 1686 * HW Filter table since we can get the vlan id. This 1687 * just creates the entry in the soft version of the 1688 * VFTA, init will repopulate the real table. 1689 ************************************************************************/ 1690static void 1691ixgbe_register_vlan(void *arg, struct ifnet *ifp, u16 vtag) 1692{ 1693 struct adapter *adapter = ifp->if_softc; 1694 u16 index, bit; 1695 1696 if (ifp->if_softc != arg) /* Not our event */ 1697 return; 1698 1699 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 1700 return; 1701 1702 IXGBE_CORE_LOCK(adapter); 1703 index = (vtag >> 5) & 0x7F; 1704 bit = vtag & 0x1F; 1705 adapter->shadow_vfta[index] |= (1 << bit); 1706 ++adapter->num_vlans; 1707 ixgbe_setup_vlan_hw_support(adapter); 1708 IXGBE_CORE_UNLOCK(adapter); 1709} /* ixgbe_register_vlan */ 1710 1711/************************************************************************ 1712 * ixgbe_unregister_vlan 1713 * 1714 * Run via vlan unconfig EVENT, remove our entry in the soft vfta. 1715 ************************************************************************/ 1716static void 1717ixgbe_unregister_vlan(void *arg, struct ifnet *ifp, u16 vtag) 1718{ 1719 struct adapter *adapter = ifp->if_softc; 1720 u16 index, bit; 1721 1722 if (ifp->if_softc != arg) 1723 return; 1724 1725 if ((vtag == 0) || (vtag > 4095)) /* Invalid */ 1726 return; 1727 1728 IXGBE_CORE_LOCK(adapter); 1729 index = (vtag >> 5) & 0x7F; 1730 bit = vtag & 0x1F; 1731 adapter->shadow_vfta[index] &= ~(1 << bit); 1732 --adapter->num_vlans; 1733 /* Re-init to load the changes */ 1734 ixgbe_setup_vlan_hw_support(adapter); 1735 IXGBE_CORE_UNLOCK(adapter); 1736} /* ixgbe_unregister_vlan */ 1737 1738/************************************************************************ 1739 * ixgbe_setup_vlan_hw_support 1740 ************************************************************************/ 1741static void 1742ixgbe_setup_vlan_hw_support(struct adapter *adapter) 1743{ 1744 struct ifnet *ifp = adapter->ifp; 1745 struct ixgbe_hw *hw = &adapter->hw; 1746 struct rx_ring *rxr; 1747 int i; 1748 u32 ctrl; 1749 1750 1751 /* 1752 * We get here thru init_locked, meaning 1753 * a soft reset, this has already cleared 1754 * the VFTA and other state, so if there 1755 * have been no vlan's registered do nothing. 1756 */ 1757 if (adapter->num_vlans == 0) 1758 return; 1759 1760 /* Setup the queues for vlans */ 1761 for (i = 0; i < adapter->num_queues; i++) { 1762 rxr = &adapter->rx_rings[i]; 1763 /* On 82599 the VLAN enable is per/queue in RXDCTL */ 1764 if (hw->mac.type != ixgbe_mac_82598EB) { 1765 ctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 1766 ctrl |= IXGBE_RXDCTL_VME; 1767 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), ctrl); 1768 } 1769 rxr->vtag_strip = TRUE; 1770 } 1771 1772 if ((ifp->if_capenable & IFCAP_VLAN_HWFILTER) == 0) 1773 return; 1774 /* 1775 * A soft reset zero's out the VFTA, so 1776 * we need to repopulate it now. 1777 */ 1778 for (i = 0; i < IXGBE_VFTA_SIZE; i++) 1779 if (adapter->shadow_vfta[i] != 0) 1780 IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), 1781 adapter->shadow_vfta[i]); 1782 1783 ctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); 1784 /* Enable the Filter Table if enabled */ 1785 if (ifp->if_capenable & IFCAP_VLAN_HWFILTER) { 1786 ctrl &= ~IXGBE_VLNCTRL_CFIEN; 1787 ctrl |= IXGBE_VLNCTRL_VFE; 1788 } 1789 if (hw->mac.type == ixgbe_mac_82598EB) 1790 ctrl |= IXGBE_VLNCTRL_VME; 1791 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, ctrl); 1792} /* ixgbe_setup_vlan_hw_support */ 1793 1794/************************************************************************ 1795 * ixgbe_get_slot_info 1796 * 1797 * Get the width and transaction speed of 1798 * the slot this adapter is plugged into. 1799 ************************************************************************/ 1800static void 1801ixgbe_get_slot_info(struct adapter *adapter) 1802{ 1803 device_t dev = adapter->dev; 1804 struct ixgbe_hw *hw = &adapter->hw; 1805 u32 offset; 1806 u16 link; 1807 int bus_info_valid = TRUE; 1808 1809 /* Some devices are behind an internal bridge */ 1810 switch (hw->device_id) { 1811 case IXGBE_DEV_ID_82599_SFP_SF_QP: 1812 case IXGBE_DEV_ID_82599_QSFP_SF_QP: 1813 goto get_parent_info; 1814 default: 1815 break; 1816 } 1817 1818 ixgbe_get_bus_info(hw); 1819 1820 /* 1821 * Some devices don't use PCI-E, but there is no need 1822 * to display "Unknown" for bus speed and width. 1823 */ 1824 switch (hw->mac.type) { 1825 case ixgbe_mac_X550EM_x: 1826 case ixgbe_mac_X550EM_a: 1827 return; 1828 default: 1829 goto display; 1830 } 1831 1832get_parent_info: 1833 /* 1834 * For the Quad port adapter we need to parse back 1835 * up the PCI tree to find the speed of the expansion 1836 * slot into which this adapter is plugged. A bit more work. 1837 */ 1838 dev = device_get_parent(device_get_parent(dev)); 1839#ifdef IXGBE_DEBUG 1840 device_printf(dev, "parent pcib = %x,%x,%x\n", pci_get_bus(dev), 1841 pci_get_slot(dev), pci_get_function(dev)); 1842#endif 1843 dev = device_get_parent(device_get_parent(dev)); 1844#ifdef IXGBE_DEBUG 1845 device_printf(dev, "slot pcib = %x,%x,%x\n", pci_get_bus(dev), 1846 pci_get_slot(dev), pci_get_function(dev)); 1847#endif 1848 /* Now get the PCI Express Capabilities offset */ 1849 if (pci_find_cap(dev, PCIY_EXPRESS, &offset)) { 1850 /* 1851 * Hmm...can't get PCI-Express capabilities. 1852 * Falling back to default method. 1853 */ 1854 bus_info_valid = FALSE; 1855 ixgbe_get_bus_info(hw); 1856 goto display; 1857 } 1858 /* ...and read the Link Status Register */ 1859 link = pci_read_config(dev, offset + PCIER_LINK_STA, 2); 1860 ixgbe_set_pci_config_data_generic(hw, link); 1861 1862display: 1863 device_printf(dev, "PCI Express Bus: Speed %s %s\n", 1864 ((hw->bus.speed == ixgbe_bus_speed_8000) ? "8.0GT/s" : 1865 (hw->bus.speed == ixgbe_bus_speed_5000) ? "5.0GT/s" : 1866 (hw->bus.speed == ixgbe_bus_speed_2500) ? "2.5GT/s" : 1867 "Unknown"), 1868 ((hw->bus.width == ixgbe_bus_width_pcie_x8) ? "Width x8" : 1869 (hw->bus.width == ixgbe_bus_width_pcie_x4) ? "Width x4" : 1870 (hw->bus.width == ixgbe_bus_width_pcie_x1) ? "Width x1" : 1871 "Unknown")); 1872 1873 if (bus_info_valid) { 1874 if ((hw->device_id != IXGBE_DEV_ID_82599_SFP_SF_QP) && 1875 ((hw->bus.width <= ixgbe_bus_width_pcie_x4) && 1876 (hw->bus.speed == ixgbe_bus_speed_2500))) { 1877 device_printf(dev, "PCI-Express bandwidth available for this card\n is not sufficient for optimal performance.\n"); 1878 device_printf(dev, "For optimal performance a x8 PCIE, or x4 PCIE Gen2 slot is required.\n"); 1879 } 1880 if ((hw->device_id == IXGBE_DEV_ID_82599_SFP_SF_QP) && 1881 ((hw->bus.width <= ixgbe_bus_width_pcie_x8) && 1882 (hw->bus.speed < ixgbe_bus_speed_8000))) { 1883 device_printf(dev, "PCI-Express bandwidth available for this card\n is not sufficient for optimal performance.\n"); 1884 device_printf(dev, "For optimal performance a x8 PCIE Gen3 slot is required.\n"); 1885 } 1886 } else 1887 device_printf(dev, "Unable to determine slot speed/width. The speed/width reported are that of the internal switch.\n"); 1888 1889 return; 1890} /* ixgbe_get_slot_info */ 1891 1892/************************************************************************ 1893 * ixgbe_enable_queue - MSI-X Interrupt Handlers and Tasklets 1894 ************************************************************************/ 1895static inline void 1896ixgbe_enable_queue(struct adapter *adapter, u32 vector) 1897{ 1898 struct ixgbe_hw *hw = &adapter->hw; 1899 u64 queue = (u64)(1 << vector); 1900 u32 mask; 1901 1902 if (hw->mac.type == ixgbe_mac_82598EB) { 1903 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 1904 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 1905 } else { 1906 mask = (queue & 0xFFFFFFFF); 1907 if (mask) 1908 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(0), mask); 1909 mask = (queue >> 32); 1910 if (mask) 1911 IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(1), mask); 1912 } 1913} /* ixgbe_enable_queue */ 1914 1915/************************************************************************ 1916 * ixgbe_disable_queue 1917 ************************************************************************/ 1918static inline void 1919ixgbe_disable_queue(struct adapter *adapter, u32 vector) 1920{ 1921 struct ixgbe_hw *hw = &adapter->hw; 1922 u64 queue = (u64)(1 << vector); 1923 u32 mask; 1924 1925 if (hw->mac.type == ixgbe_mac_82598EB) { 1926 mask = (IXGBE_EIMS_RTX_QUEUE & queue); 1927 IXGBE_WRITE_REG(hw, IXGBE_EIMC, mask); 1928 } else { 1929 mask = (queue & 0xFFFFFFFF); 1930 if (mask) 1931 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(0), mask); 1932 mask = (queue >> 32); 1933 if (mask) 1934 IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(1), mask); 1935 } 1936} /* ixgbe_disable_queue */ 1937 1938/************************************************************************ 1939 * ixgbe_msix_que - MSI-X Queue Interrupt Service routine 1940 ************************************************************************/ 1941void 1942ixgbe_msix_que(void *arg) 1943{ 1944 struct ix_queue *que = arg; 1945 struct adapter *adapter = que->adapter; 1946 struct ifnet *ifp = adapter->ifp; 1947 struct tx_ring *txr = que->txr; 1948 struct rx_ring *rxr = que->rxr; 1949 bool more; 1950 u32 newitr = 0; 1951 1952 1953 /* Protect against spurious interrupts */ 1954 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 1955 return; 1956 1957 ixgbe_disable_queue(adapter, que->msix); 1958 ++que->irqs; 1959 1960 more = ixgbe_rxeof(que); 1961 1962 IXGBE_TX_LOCK(txr); 1963 ixgbe_txeof(txr); 1964 if (!ixgbe_ring_empty(ifp, txr->br)) 1965 ixgbe_start_locked(ifp, txr); 1966 IXGBE_TX_UNLOCK(txr); 1967 1968 /* Do AIM now? */ 1969 1970 if (adapter->enable_aim == FALSE) 1971 goto no_calc; 1972 /* 1973 * Do Adaptive Interrupt Moderation: 1974 * - Write out last calculated setting 1975 * - Calculate based on average size over 1976 * the last interval. 1977 */ 1978 if (que->eitr_setting) 1979 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(que->msix), 1980 que->eitr_setting); 1981 1982 que->eitr_setting = 0; 1983 1984 /* Idle, do nothing */ 1985 if ((txr->bytes == 0) && (rxr->bytes == 0)) 1986 goto no_calc; 1987 1988 if ((txr->bytes) && (txr->packets)) 1989 newitr = txr->bytes/txr->packets; 1990 if ((rxr->bytes) && (rxr->packets)) 1991 newitr = max(newitr, (rxr->bytes / rxr->packets)); 1992 newitr += 24; /* account for hardware frame, crc */ 1993 1994 /* set an upper boundary */ 1995 newitr = min(newitr, 3000); 1996 1997 /* Be nice to the mid range */ 1998 if ((newitr > 300) && (newitr < 1200)) 1999 newitr = (newitr / 3); 2000 else 2001 newitr = (newitr / 2); 2002 2003 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 2004 newitr |= newitr << 16; 2005 else 2006 newitr |= IXGBE_EITR_CNT_WDIS; 2007 2008 /* save for next interrupt */ 2009 que->eitr_setting = newitr; 2010 2011 /* Reset state */ 2012 txr->bytes = 0; 2013 txr->packets = 0; 2014 rxr->bytes = 0; 2015 rxr->packets = 0; 2016 2017no_calc: 2018 if (more) 2019 taskqueue_enqueue(que->tq, &que->que_task); 2020 else 2021 ixgbe_enable_queue(adapter, que->msix); 2022 2023 return; 2024} /* ixgbe_msix_que */ 2025 2026/************************************************************************ 2027 * ixgbe_media_status - Media Ioctl callback 2028 * 2029 * Called whenever the user queries the status of 2030 * the interface using ifconfig. 2031 ************************************************************************/ 2032static void 2033ixgbe_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) 2034{ 2035 struct adapter *adapter = ifp->if_softc; 2036 struct ixgbe_hw *hw = &adapter->hw; 2037 int layer; 2038 2039 INIT_DEBUGOUT("ixgbe_media_status: begin"); 2040 IXGBE_CORE_LOCK(adapter); 2041 ixgbe_update_link_status(adapter); 2042 2043 ifmr->ifm_status = IFM_AVALID; 2044 ifmr->ifm_active = IFM_ETHER; 2045 2046 if (!adapter->link_active) { 2047 IXGBE_CORE_UNLOCK(adapter); 2048 return; 2049 } 2050 2051 ifmr->ifm_status |= IFM_ACTIVE; 2052 layer = adapter->phy_layer; 2053 2054 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T || 2055 layer & IXGBE_PHYSICAL_LAYER_1000BASE_T || 2056 layer & IXGBE_PHYSICAL_LAYER_100BASE_TX || 2057 layer & IXGBE_PHYSICAL_LAYER_10BASE_T) 2058 switch (adapter->link_speed) { 2059 case IXGBE_LINK_SPEED_10GB_FULL: 2060 ifmr->ifm_active |= IFM_10G_T | IFM_FDX; 2061 break; 2062 case IXGBE_LINK_SPEED_1GB_FULL: 2063 ifmr->ifm_active |= IFM_1000_T | IFM_FDX; 2064 break; 2065 case IXGBE_LINK_SPEED_100_FULL: 2066 ifmr->ifm_active |= IFM_100_TX | IFM_FDX; 2067 break; 2068 case IXGBE_LINK_SPEED_10_FULL: 2069 ifmr->ifm_active |= IFM_10_T | IFM_FDX; 2070 break; 2071 } 2072 if (layer & IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU || 2073 layer & IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA) 2074 switch (adapter->link_speed) { 2075 case IXGBE_LINK_SPEED_10GB_FULL: 2076 ifmr->ifm_active |= IFM_10G_TWINAX | IFM_FDX; 2077 break; 2078 } 2079 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LR) 2080 switch (adapter->link_speed) { 2081 case IXGBE_LINK_SPEED_10GB_FULL: 2082 ifmr->ifm_active |= IFM_10G_LR | IFM_FDX; 2083 break; 2084 case IXGBE_LINK_SPEED_1GB_FULL: 2085 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2086 break; 2087 } 2088 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_LRM) 2089 switch (adapter->link_speed) { 2090 case IXGBE_LINK_SPEED_10GB_FULL: 2091 ifmr->ifm_active |= IFM_10G_LRM | IFM_FDX; 2092 break; 2093 case IXGBE_LINK_SPEED_1GB_FULL: 2094 ifmr->ifm_active |= IFM_1000_LX | IFM_FDX; 2095 break; 2096 } 2097 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_SR || 2098 layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) 2099 switch (adapter->link_speed) { 2100 case IXGBE_LINK_SPEED_10GB_FULL: 2101 ifmr->ifm_active |= IFM_10G_SR | IFM_FDX; 2102 break; 2103 case IXGBE_LINK_SPEED_1GB_FULL: 2104 ifmr->ifm_active |= IFM_1000_SX | IFM_FDX; 2105 break; 2106 } 2107 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_CX4) 2108 switch (adapter->link_speed) { 2109 case IXGBE_LINK_SPEED_10GB_FULL: 2110 ifmr->ifm_active |= IFM_10G_CX4 | IFM_FDX; 2111 break; 2112 } 2113 /* 2114 * XXX: These need to use the proper media types once 2115 * they're added. 2116 */ 2117#ifndef IFM_ETH_XTYPE 2118 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) 2119 switch (adapter->link_speed) { 2120 case IXGBE_LINK_SPEED_10GB_FULL: 2121 ifmr->ifm_active |= IFM_10G_SR | IFM_FDX; 2122 break; 2123 case IXGBE_LINK_SPEED_2_5GB_FULL: 2124 ifmr->ifm_active |= IFM_2500_SX | IFM_FDX; 2125 break; 2126 case IXGBE_LINK_SPEED_1GB_FULL: 2127 ifmr->ifm_active |= IFM_1000_CX | IFM_FDX; 2128 break; 2129 } 2130 else if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4 || 2131 layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX || 2132 layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) 2133 switch (adapter->link_speed) { 2134 case IXGBE_LINK_SPEED_10GB_FULL: 2135 ifmr->ifm_active |= IFM_10G_CX4 | IFM_FDX; 2136 break; 2137 case IXGBE_LINK_SPEED_2_5GB_FULL: 2138 ifmr->ifm_active |= IFM_2500_SX | IFM_FDX; 2139 break; 2140 case IXGBE_LINK_SPEED_1GB_FULL: 2141 ifmr->ifm_active |= IFM_1000_CX | IFM_FDX; 2142 break; 2143 } 2144#else 2145 if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) 2146 switch (adapter->link_speed) { 2147 case IXGBE_LINK_SPEED_10GB_FULL: 2148 ifmr->ifm_active |= IFM_10G_KR | IFM_FDX; 2149 break; 2150 case IXGBE_LINK_SPEED_2_5GB_FULL: 2151 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2152 break; 2153 case IXGBE_LINK_SPEED_1GB_FULL: 2154 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2155 break; 2156 } 2157 else if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4 || 2158 layer & IXGBE_PHYSICAL_LAYER_2500BASE_KX || 2159 layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) 2160 switch (adapter->link_speed) { 2161 case IXGBE_LINK_SPEED_10GB_FULL: 2162 ifmr->ifm_active |= IFM_10G_KX4 | IFM_FDX; 2163 break; 2164 case IXGBE_LINK_SPEED_2_5GB_FULL: 2165 ifmr->ifm_active |= IFM_2500_KX | IFM_FDX; 2166 break; 2167 case IXGBE_LINK_SPEED_1GB_FULL: 2168 ifmr->ifm_active |= IFM_1000_KX | IFM_FDX; 2169 break; 2170 } 2171#endif 2172 2173 /* If nothing is recognized... */ 2174 if (IFM_SUBTYPE(ifmr->ifm_active) == 0) 2175 ifmr->ifm_active |= IFM_UNKNOWN; 2176 2177#if __FreeBSD_version >= 900025 2178 /* Display current flow control setting used on link */ 2179 if (hw->fc.current_mode == ixgbe_fc_rx_pause || 2180 hw->fc.current_mode == ixgbe_fc_full) 2181 ifmr->ifm_active |= IFM_ETH_RXPAUSE; 2182 if (hw->fc.current_mode == ixgbe_fc_tx_pause || 2183 hw->fc.current_mode == ixgbe_fc_full) 2184 ifmr->ifm_active |= IFM_ETH_TXPAUSE; 2185#endif 2186 2187 IXGBE_CORE_UNLOCK(adapter); 2188 2189 return; 2190} /* ixgbe_media_status */ 2191 2192/************************************************************************ 2193 * ixgbe_media_change - Media Ioctl callback 2194 * 2195 * Called when the user changes speed/duplex using 2196 * media/mediopt option with ifconfig. 2197 ************************************************************************/ 2198static int 2199ixgbe_media_change(struct ifnet *ifp) 2200{ 2201 struct adapter *adapter = ifp->if_softc; 2202 struct ifmedia *ifm = &adapter->media; 2203 struct ixgbe_hw *hw = &adapter->hw; 2204 ixgbe_link_speed speed = 0; 2205 2206 INIT_DEBUGOUT("ixgbe_media_change: begin"); 2207 2208 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 2209 return (EINVAL); 2210 2211 if (hw->phy.media_type == ixgbe_media_type_backplane) 2212 return (ENODEV); 2213 2214 /* 2215 * We don't actually need to check against the supported 2216 * media types of the adapter; ifmedia will take care of 2217 * that for us. 2218 */ 2219 switch (IFM_SUBTYPE(ifm->ifm_media)) { 2220 case IFM_AUTO: 2221 case IFM_10G_T: 2222 speed |= IXGBE_LINK_SPEED_100_FULL; 2223 speed |= IXGBE_LINK_SPEED_1GB_FULL; 2224 speed |= IXGBE_LINK_SPEED_10GB_FULL; 2225 break; 2226 case IFM_10G_LRM: 2227 case IFM_10G_LR: 2228#ifndef IFM_ETH_XTYPE 2229 case IFM_10G_SR: /* KR, too */ 2230 case IFM_10G_CX4: /* KX4 */ 2231#else 2232 case IFM_10G_KR: 2233 case IFM_10G_KX4: 2234#endif 2235 speed |= IXGBE_LINK_SPEED_1GB_FULL; 2236 speed |= IXGBE_LINK_SPEED_10GB_FULL; 2237 break; 2238#ifndef IFM_ETH_XTYPE 2239 case IFM_1000_CX: /* KX */ 2240#else 2241 case IFM_1000_KX: 2242#endif 2243 case IFM_1000_LX: 2244 case IFM_1000_SX: 2245 speed |= IXGBE_LINK_SPEED_1GB_FULL; 2246 break; 2247 case IFM_1000_T: 2248 speed |= IXGBE_LINK_SPEED_100_FULL; 2249 speed |= IXGBE_LINK_SPEED_1GB_FULL; 2250 break; 2251 case IFM_10G_TWINAX: 2252 speed |= IXGBE_LINK_SPEED_10GB_FULL; 2253 break; 2254 case IFM_100_TX: 2255 speed |= IXGBE_LINK_SPEED_100_FULL; 2256 break; 2257 case IFM_10_T: 2258 speed |= IXGBE_LINK_SPEED_10_FULL; 2259 break; 2260 default: 2261 goto invalid; 2262 } 2263 2264 hw->mac.autotry_restart = TRUE; 2265 hw->mac.ops.setup_link(hw, speed, TRUE); 2266 adapter->advertise = 2267 ((speed & IXGBE_LINK_SPEED_10GB_FULL) ? 4 : 0) | 2268 ((speed & IXGBE_LINK_SPEED_1GB_FULL) ? 2 : 0) | 2269 ((speed & IXGBE_LINK_SPEED_100_FULL) ? 1 : 0) | 2270 ((speed & IXGBE_LINK_SPEED_10_FULL) ? 8 : 0); 2271 2272 return (0); 2273 2274invalid: 2275 device_printf(adapter->dev, "Invalid media type!\n"); 2276 2277 return (EINVAL); 2278} /* ixgbe_media_change */ 2279 2280/************************************************************************ 2281 * ixgbe_set_promisc 2282 ************************************************************************/ 2283static void 2284ixgbe_set_promisc(struct adapter *adapter) 2285{ 2286 struct ifnet *ifp = adapter->ifp; 2287 int mcnt = 0; 2288 u32 rctl; 2289 2290 rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); 2291 rctl &= (~IXGBE_FCTRL_UPE); 2292 if (ifp->if_flags & IFF_ALLMULTI) 2293 mcnt = MAX_NUM_MULTICAST_ADDRESSES; 2294 else { 2295 struct ifmultiaddr *ifma; 2296#if __FreeBSD_version < 800000 2297 IF_ADDR_LOCK(ifp); 2298#else 2299 if_maddr_rlock(ifp); 2300#endif 2301 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 2302 if (ifma->ifma_addr->sa_family != AF_LINK) 2303 continue; 2304 if (mcnt == MAX_NUM_MULTICAST_ADDRESSES) 2305 break; 2306 mcnt++; 2307 } 2308#if __FreeBSD_version < 800000 2309 IF_ADDR_UNLOCK(ifp); 2310#else 2311 if_maddr_runlock(ifp); 2312#endif 2313 } 2314 if (mcnt < MAX_NUM_MULTICAST_ADDRESSES) 2315 rctl &= (~IXGBE_FCTRL_MPE); 2316 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, rctl); 2317 2318 if (ifp->if_flags & IFF_PROMISC) { 2319 rctl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 2320 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, rctl); 2321 } else if (ifp->if_flags & IFF_ALLMULTI) { 2322 rctl |= IXGBE_FCTRL_MPE; 2323 rctl &= ~IXGBE_FCTRL_UPE; 2324 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, rctl); 2325 } 2326} /* ixgbe_set_promisc */ 2327 2328/************************************************************************ 2329 * ixgbe_msix_link - Link status change ISR (MSI/MSI-X) 2330 ************************************************************************/ 2331static void 2332ixgbe_msix_link(void *arg) 2333{ 2334 struct adapter *adapter = arg; 2335 struct ixgbe_hw *hw = &adapter->hw; 2336 u32 eicr, eicr_mask; 2337 s32 retval; 2338 2339 ++adapter->link_irq; 2340 2341 /* Pause other interrupts */ 2342 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_OTHER); 2343 2344 /* First get the cause */ 2345 eicr = IXGBE_READ_REG(hw, IXGBE_EICS); 2346 /* Be sure the queue bits are not cleared */ 2347 eicr &= ~IXGBE_EICR_RTX_QUEUE; 2348 /* Clear interrupt with write */ 2349 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr); 2350 2351 /* Link status change */ 2352 if (eicr & IXGBE_EICR_LSC) { 2353 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_LSC); 2354 taskqueue_enqueue(adapter->tq, &adapter->link_task); 2355 } 2356 2357 if (adapter->hw.mac.type != ixgbe_mac_82598EB) { 2358 if ((adapter->feat_en & IXGBE_FEATURE_FDIR) && 2359 (eicr & IXGBE_EICR_FLOW_DIR)) { 2360 /* This is probably overkill :) */ 2361 if (!atomic_cmpset_int(&adapter->fdir_reinit, 0, 1)) 2362 return; 2363 /* Disable the interrupt */ 2364 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_FLOW_DIR); 2365 taskqueue_enqueue(adapter->tq, &adapter->fdir_task); 2366 } 2367 2368 if (eicr & IXGBE_EICR_ECC) { 2369 device_printf(adapter->dev, 2370 "CRITICAL: ECC ERROR!! Please Reboot!!\n"); 2371 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_ECC); 2372 } 2373 2374 /* Check for over temp condition */ 2375 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) { 2376 switch (adapter->hw.mac.type) { 2377 case ixgbe_mac_X550EM_a: 2378 if (!(eicr & IXGBE_EICR_GPI_SDP0_X550EM_a)) 2379 break; 2380 IXGBE_WRITE_REG(hw, IXGBE_EIMC, 2381 IXGBE_EICR_GPI_SDP0_X550EM_a); 2382 IXGBE_WRITE_REG(hw, IXGBE_EICR, 2383 IXGBE_EICR_GPI_SDP0_X550EM_a); 2384 retval = hw->phy.ops.check_overtemp(hw); 2385 if (retval != IXGBE_ERR_OVERTEMP) 2386 break; 2387 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 2388 device_printf(adapter->dev, "System shutdown required!\n"); 2389 break; 2390 default: 2391 if (!(eicr & IXGBE_EICR_TS)) 2392 break; 2393 retval = hw->phy.ops.check_overtemp(hw); 2394 if (retval != IXGBE_ERR_OVERTEMP) 2395 break; 2396 device_printf(adapter->dev, "CRITICAL: OVER TEMP!! PHY IS SHUT DOWN!!\n"); 2397 device_printf(adapter->dev, "System shutdown required!\n"); 2398 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_TS); 2399 break; 2400 } 2401 } 2402 2403 /* Check for VF message */ 2404 if ((adapter->feat_en & IXGBE_FEATURE_SRIOV) && 2405 (eicr & IXGBE_EICR_MAILBOX)) 2406 taskqueue_enqueue(adapter->tq, &adapter->mbx_task); 2407 } 2408 2409 if (ixgbe_is_sfp(hw)) { 2410 /* Pluggable optics-related interrupt */ 2411 if (hw->mac.type >= ixgbe_mac_X540) 2412 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 2413 else 2414 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 2415 2416 if (eicr & eicr_mask) { 2417 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 2418 taskqueue_enqueue(adapter->tq, &adapter->mod_task); 2419 } 2420 2421 if ((hw->mac.type == ixgbe_mac_82599EB) && 2422 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 2423 IXGBE_WRITE_REG(hw, IXGBE_EICR, 2424 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 2425 taskqueue_enqueue(adapter->tq, &adapter->msf_task); 2426 } 2427 } 2428 2429 /* Check for fan failure */ 2430 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 2431 ixgbe_check_fan_failure(adapter, eicr, TRUE); 2432 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 2433 } 2434 2435 /* External PHY interrupt */ 2436 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 2437 (eicr & IXGBE_EICR_GPI_SDP0_X540)) { 2438 IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP0_X540); 2439 taskqueue_enqueue(adapter->tq, &adapter->phy_task); 2440 } 2441 2442 /* Re-enable other interrupts */ 2443 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_OTHER); 2444} /* ixgbe_msix_link */ 2445 2446/************************************************************************ 2447 * ixgbe_sysctl_interrupt_rate_handler 2448 ************************************************************************/ 2449static int 2450ixgbe_sysctl_interrupt_rate_handler(SYSCTL_HANDLER_ARGS) 2451{ 2452 struct ix_queue *que = ((struct ix_queue *)oidp->oid_arg1); 2453 int error; 2454 unsigned int reg, usec, rate; 2455 2456 reg = IXGBE_READ_REG(&que->adapter->hw, IXGBE_EITR(que->msix)); 2457 usec = ((reg & 0x0FF8) >> 3); 2458 if (usec > 0) 2459 rate = 500000 / usec; 2460 else 2461 rate = 0; 2462 error = sysctl_handle_int(oidp, &rate, 0, req); 2463 if (error || !req->newptr) 2464 return error; 2465 reg &= ~0xfff; /* default, no limitation */ 2466 ixgbe_max_interrupt_rate = 0; 2467 if (rate > 0 && rate < 500000) { 2468 if (rate < 1000) 2469 rate = 1000; 2470 ixgbe_max_interrupt_rate = rate; 2471 reg |= ((4000000/rate) & 0xff8); 2472 } 2473 IXGBE_WRITE_REG(&que->adapter->hw, IXGBE_EITR(que->msix), reg); 2474 2475 return (0); 2476} /* ixgbe_sysctl_interrupt_rate_handler */ 2477 2478/************************************************************************ 2479 * ixgbe_add_device_sysctls 2480 ************************************************************************/ 2481static void 2482ixgbe_add_device_sysctls(struct adapter *adapter) 2483{ 2484 device_t dev = adapter->dev; 2485 struct ixgbe_hw *hw = &adapter->hw; 2486 struct sysctl_oid_list *child; 2487 struct sysctl_ctx_list *ctx; 2488 2489 ctx = device_get_sysctl_ctx(dev); 2490 child = SYSCTL_CHILDREN(device_get_sysctl_tree(dev)); 2491 2492 /* Sysctls for all devices */ 2493 SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "fc", CTLTYPE_INT | CTLFLAG_RW, 2494 adapter, 0, ixgbe_sysctl_flowcntl, "I", IXGBE_SYSCTL_DESC_SET_FC); 2495 2496 adapter->enable_aim = ixgbe_enable_aim; 2497 SYSCTL_ADD_INT(ctx, child, OID_AUTO, "enable_aim", CTLFLAG_RW, 2498 &adapter->enable_aim, 1, "Interrupt Moderation"); 2499 2500 SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "advertise_speed", 2501 CTLTYPE_INT | CTLFLAG_RW, adapter, 0, ixgbe_sysctl_advertise, "I", 2502 IXGBE_SYSCTL_DESC_ADV_SPEED); 2503 2504#ifdef IXGBE_DEBUG 2505 /* testing sysctls (for all devices) */ 2506 SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "power_state", 2507 CTLTYPE_INT | CTLFLAG_RW, adapter, 0, ixgbe_sysctl_power_state, 2508 "I", "PCI Power State"); 2509 2510 SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "print_rss_config", 2511 CTLTYPE_STRING | CTLFLAG_RD, adapter, 0, 2512 ixgbe_sysctl_print_rss_config, "A", "Prints RSS Configuration"); 2513#endif 2514 /* for X550 series devices */ 2515 if (hw->mac.type >= ixgbe_mac_X550) 2516 SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "dmac", 2517 CTLTYPE_INT | CTLFLAG_RW, adapter, 0, ixgbe_sysctl_dmac, 2518 "I", "DMA Coalesce"); 2519 2520 /* for WoL-capable devices */ 2521 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) { 2522 SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "wol_enable", 2523 CTLTYPE_INT | CTLFLAG_RW, adapter, 0, 2524 ixgbe_sysctl_wol_enable, "I", "Enable/Disable Wake on LAN"); 2525 2526 SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "wufc", 2527 CTLTYPE_INT | CTLFLAG_RW, adapter, 0, ixgbe_sysctl_wufc, 2528 "I", "Enable/Disable Wake Up Filters"); 2529 } 2530 2531 /* for X552/X557-AT devices */ 2532 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) { 2533 struct sysctl_oid *phy_node; 2534 struct sysctl_oid_list *phy_list; 2535 2536 phy_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "phy", 2537 CTLFLAG_RD, NULL, "External PHY sysctls"); 2538 phy_list = SYSCTL_CHILDREN(phy_node); 2539 2540 SYSCTL_ADD_PROC(ctx, phy_list, OID_AUTO, "temp", 2541 CTLTYPE_INT | CTLFLAG_RD, adapter, 0, ixgbe_sysctl_phy_temp, 2542 "I", "Current External PHY Temperature (Celsius)"); 2543 2544 SYSCTL_ADD_PROC(ctx, phy_list, OID_AUTO, "overtemp_occurred", 2545 CTLTYPE_INT | CTLFLAG_RD, adapter, 0, 2546 ixgbe_sysctl_phy_overtemp_occurred, "I", 2547 "External PHY High Temperature Event Occurred"); 2548 } 2549 2550 if (adapter->feat_cap & IXGBE_FEATURE_EEE) { 2551 SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "eee_state", 2552 CTLTYPE_INT | CTLFLAG_RW, adapter, 0, 2553 ixgbe_sysctl_eee_state, "I", "EEE Power Save State"); 2554 } 2555} /* ixgbe_add_device_sysctls */ 2556 2557/************************************************************************ 2558 * ixgbe_allocate_pci_resources 2559 ************************************************************************/ 2560static int 2561ixgbe_allocate_pci_resources(struct adapter *adapter) 2562{ 2563 device_t dev = adapter->dev; 2564 int rid; 2565 2566 rid = PCIR_BAR(0); 2567 adapter->pci_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 2568 RF_ACTIVE); 2569 2570 if (!(adapter->pci_mem)) { 2571 device_printf(dev, "Unable to allocate bus resource: memory\n"); 2572 return (ENXIO); 2573 } 2574 2575 /* Save bus_space values for READ/WRITE_REG macros */ 2576 adapter->osdep.mem_bus_space_tag = rman_get_bustag(adapter->pci_mem); 2577 adapter->osdep.mem_bus_space_handle = 2578 rman_get_bushandle(adapter->pci_mem); 2579 /* Set hw values for shared code */ 2580 adapter->hw.hw_addr = (u8 *)&adapter->osdep.mem_bus_space_handle; 2581 2582 return (0); 2583} /* ixgbe_allocate_pci_resources */ 2584 2585/************************************************************************ 2586 * ixgbe_detach - Device removal routine 2587 * 2588 * Called when the driver is being removed. 2589 * Stops the adapter and deallocates all the resources 2590 * that were allocated for driver operation. 2591 * 2592 * return 0 on success, positive on failure 2593 ************************************************************************/ 2594static int 2595ixgbe_detach(device_t dev) 2596{ 2597 struct adapter *adapter = device_get_softc(dev); 2598 struct ix_queue *que = adapter->queues; 2599 struct tx_ring *txr = adapter->tx_rings; 2600 u32 ctrl_ext; 2601 2602 INIT_DEBUGOUT("ixgbe_detach: begin"); 2603 2604 /* Make sure VLANS are not using driver */ 2605 if (adapter->ifp->if_vlantrunk != NULL) { 2606 device_printf(dev, "Vlan in use, detach first\n"); 2607 return (EBUSY); 2608 } 2609 2610 if (ixgbe_pci_iov_detach(dev) != 0) { 2611 device_printf(dev, "SR-IOV in use; detach first.\n"); 2612 return (EBUSY); 2613 } 2614 2615 ether_ifdetach(adapter->ifp); 2616 /* Stop the adapter */ 2617 IXGBE_CORE_LOCK(adapter); 2618 ixgbe_setup_low_power_mode(adapter); 2619 IXGBE_CORE_UNLOCK(adapter); 2620 2621 for (int i = 0; i < adapter->num_queues; i++, que++, txr++) { 2622 if (que->tq) { 2623 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 2624 taskqueue_drain(que->tq, &txr->txq_task); 2625 taskqueue_drain(que->tq, &que->que_task); 2626 taskqueue_free(que->tq); 2627 } 2628 } 2629 2630 /* Drain the Link queue */ 2631 if (adapter->tq) { 2632 taskqueue_drain(adapter->tq, &adapter->link_task); 2633 taskqueue_drain(adapter->tq, &adapter->mod_task); 2634 taskqueue_drain(adapter->tq, &adapter->msf_task); 2635 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 2636 taskqueue_drain(adapter->tq, &adapter->mbx_task); 2637 taskqueue_drain(adapter->tq, &adapter->phy_task); 2638 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 2639 taskqueue_drain(adapter->tq, &adapter->fdir_task); 2640 taskqueue_free(adapter->tq); 2641 } 2642 2643 /* let hardware know driver is unloading */ 2644 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 2645 ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD; 2646 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext); 2647 2648 /* Unregister VLAN events */ 2649 if (adapter->vlan_attach != NULL) 2650 EVENTHANDLER_DEREGISTER(vlan_config, adapter->vlan_attach); 2651 if (adapter->vlan_detach != NULL) 2652 EVENTHANDLER_DEREGISTER(vlan_unconfig, adapter->vlan_detach); 2653 2654 callout_drain(&adapter->timer); 2655 2656 if (adapter->feat_en & IXGBE_FEATURE_NETMAP) 2657 netmap_detach(adapter->ifp); 2658 2659 ixgbe_free_pci_resources(adapter); 2660 bus_generic_detach(dev); 2661 if_free(adapter->ifp); 2662 2663 ixgbe_free_transmit_structures(adapter); 2664 ixgbe_free_receive_structures(adapter); 2665 free(adapter->queues, M_DEVBUF); 2666 free(adapter->mta, M_IXGBE); 2667 2668 IXGBE_CORE_LOCK_DESTROY(adapter); 2669 2670 return (0); 2671} /* ixgbe_detach */ 2672 2673/************************************************************************ 2674 * ixgbe_setup_low_power_mode - LPLU/WoL preparation 2675 * 2676 * Prepare the adapter/port for LPLU and/or WoL 2677 ************************************************************************/ 2678static int 2679ixgbe_setup_low_power_mode(struct adapter *adapter) 2680{ 2681 struct ixgbe_hw *hw = &adapter->hw; 2682 device_t dev = adapter->dev; 2683 s32 error = 0; 2684 2685 mtx_assert(&adapter->core_mtx, MA_OWNED); 2686 2687 /* Limit power management flow to X550EM baseT */ 2688 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T && 2689 hw->phy.ops.enter_lplu) { 2690 /* Turn off support for APM wakeup. (Using ACPI instead) */ 2691 IXGBE_WRITE_REG(hw, IXGBE_GRC, 2692 IXGBE_READ_REG(hw, IXGBE_GRC) & ~(u32)2); 2693 2694 /* 2695 * Clear Wake Up Status register to prevent any previous wakeup 2696 * events from waking us up immediately after we suspend. 2697 */ 2698 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 2699 2700 /* 2701 * Program the Wakeup Filter Control register with user filter 2702 * settings 2703 */ 2704 IXGBE_WRITE_REG(hw, IXGBE_WUFC, adapter->wufc); 2705 2706 /* Enable wakeups and power management in Wakeup Control */ 2707 IXGBE_WRITE_REG(hw, IXGBE_WUC, 2708 IXGBE_WUC_WKEN | IXGBE_WUC_PME_EN); 2709 2710 /* X550EM baseT adapters need a special LPLU flow */ 2711 hw->phy.reset_disable = true; 2712 ixgbe_stop(adapter); 2713 error = hw->phy.ops.enter_lplu(hw); 2714 if (error) 2715 device_printf(dev, "Error entering LPLU: %d\n", error); 2716 hw->phy.reset_disable = false; 2717 } else { 2718 /* Just stop for other adapters */ 2719 ixgbe_stop(adapter); 2720 } 2721 2722 return error; 2723} /* ixgbe_setup_low_power_mode */ 2724 2725/************************************************************************ 2726 * ixgbe_shutdown - Shutdown entry point 2727 ************************************************************************/ 2728static int 2729ixgbe_shutdown(device_t dev) 2730{ 2731 struct adapter *adapter = device_get_softc(dev); 2732 int error = 0; 2733 2734 INIT_DEBUGOUT("ixgbe_shutdown: begin"); 2735 2736 IXGBE_CORE_LOCK(adapter); 2737 error = ixgbe_setup_low_power_mode(adapter); 2738 IXGBE_CORE_UNLOCK(adapter); 2739 2740 return (error); 2741} /* ixgbe_shutdown */ 2742 2743/************************************************************************ 2744 * ixgbe_suspend 2745 * 2746 * From D0 to D3 2747 ************************************************************************/ 2748static int 2749ixgbe_suspend(device_t dev) 2750{ 2751 struct adapter *adapter = device_get_softc(dev); 2752 int error = 0; 2753 2754 INIT_DEBUGOUT("ixgbe_suspend: begin"); 2755 2756 IXGBE_CORE_LOCK(adapter); 2757 2758 error = ixgbe_setup_low_power_mode(adapter); 2759 2760 IXGBE_CORE_UNLOCK(adapter); 2761 2762 return (error); 2763} /* ixgbe_suspend */ 2764 2765/************************************************************************ 2766 * ixgbe_resume 2767 * 2768 * From D3 to D0 2769 ************************************************************************/ 2770static int 2771ixgbe_resume(device_t dev) 2772{ 2773 struct adapter *adapter = device_get_softc(dev); 2774 struct ifnet *ifp = adapter->ifp; 2775 struct ixgbe_hw *hw = &adapter->hw; 2776 u32 wus; 2777 2778 INIT_DEBUGOUT("ixgbe_resume: begin"); 2779 2780 IXGBE_CORE_LOCK(adapter); 2781 2782 /* Read & clear WUS register */ 2783 wus = IXGBE_READ_REG(hw, IXGBE_WUS); 2784 if (wus) 2785 device_printf(dev, "Woken up by (WUS): %#010x\n", 2786 IXGBE_READ_REG(hw, IXGBE_WUS)); 2787 IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff); 2788 /* And clear WUFC until next low-power transition */ 2789 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0); 2790 2791 /* 2792 * Required after D3->D0 transition; 2793 * will re-advertise all previous advertised speeds 2794 */ 2795 if (ifp->if_flags & IFF_UP) 2796 ixgbe_init_locked(adapter); 2797 2798 IXGBE_CORE_UNLOCK(adapter); 2799 2800 return (0); 2801} /* ixgbe_resume */ 2802 2803/************************************************************************ 2804 * ixgbe_set_if_hwassist - Set the various hardware offload abilities. 2805 * 2806 * Takes the ifnet's if_capenable flags (e.g. set by the user using 2807 * ifconfig) and indicates to the OS via the ifnet's if_hwassist 2808 * field what mbuf offload flags the driver will understand. 2809 ************************************************************************/ 2810static void 2811ixgbe_set_if_hwassist(struct adapter *adapter) 2812{ 2813 struct ifnet *ifp = adapter->ifp; 2814 2815 ifp->if_hwassist = 0; 2816#if __FreeBSD_version >= 1000000 2817 if (ifp->if_capenable & IFCAP_TSO4) 2818 ifp->if_hwassist |= CSUM_IP_TSO; 2819 if (ifp->if_capenable & IFCAP_TSO6) 2820 ifp->if_hwassist |= CSUM_IP6_TSO; 2821 if (ifp->if_capenable & IFCAP_TXCSUM) { 2822 ifp->if_hwassist |= (CSUM_IP | CSUM_IP_UDP | CSUM_IP_TCP); 2823 if (adapter->hw.mac.type != ixgbe_mac_82598EB) 2824 ifp->if_hwassist |= CSUM_IP_SCTP; 2825 } 2826 if (ifp->if_capenable & IFCAP_TXCSUM_IPV6) { 2827 ifp->if_hwassist |= (CSUM_IP6_UDP | CSUM_IP6_TCP); 2828 if (adapter->hw.mac.type != ixgbe_mac_82598EB) 2829 ifp->if_hwassist |= CSUM_IP6_SCTP; 2830 } 2831#else 2832 if (ifp->if_capenable & IFCAP_TSO) 2833 ifp->if_hwassist |= CSUM_TSO; 2834 if (ifp->if_capenable & IFCAP_TXCSUM) { 2835 ifp->if_hwassist |= (CSUM_TCP | CSUM_UDP); 2836 if (adapter->hw.mac.type != ixgbe_mac_82598EB) 2837 ifp->if_hwassist |= CSUM_SCTP; 2838 } 2839#endif 2840} /* ixgbe_set_if_hwassist */ 2841 2842/************************************************************************ 2843 * ixgbe_init_locked - Init entry point 2844 * 2845 * Used in two ways: It is used by the stack as an init 2846 * entry point in network interface structure. It is also 2847 * used by the driver as a hw/sw initialization routine to 2848 * get to a consistent state. 2849 * 2850 * return 0 on success, positive on failure 2851 ************************************************************************/ 2852void 2853ixgbe_init_locked(struct adapter *adapter) 2854{ 2855 struct ifnet *ifp = adapter->ifp; 2856 device_t dev = adapter->dev; 2857 struct ixgbe_hw *hw = &adapter->hw; 2858 struct tx_ring *txr; 2859 struct rx_ring *rxr; 2860 u32 txdctl, mhadd; 2861 u32 rxdctl, rxctrl; 2862 u32 ctrl_ext; 2863 int err = 0; 2864 2865 mtx_assert(&adapter->core_mtx, MA_OWNED); 2866 INIT_DEBUGOUT("ixgbe_init_locked: begin"); 2867 2868 hw->adapter_stopped = FALSE; 2869 ixgbe_stop_adapter(hw); 2870 callout_stop(&adapter->timer); 2871 2872 /* Queue indices may change with IOV mode */ 2873 ixgbe_align_all_queue_indices(adapter); 2874 2875 /* reprogram the RAR[0] in case user changed it. */ 2876 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, IXGBE_RAH_AV); 2877 2878 /* Get the latest mac address, User can use a LAA */ 2879 bcopy(IF_LLADDR(ifp), hw->mac.addr, IXGBE_ETH_LENGTH_OF_ADDRESS); 2880 ixgbe_set_rar(hw, 0, hw->mac.addr, adapter->pool, 1); 2881 hw->addr_ctrl.rar_used_count = 1; 2882 2883 /* Set hardware offload abilities from ifnet flags */ 2884 ixgbe_set_if_hwassist(adapter); 2885 2886 /* Prepare transmit descriptors and buffers */ 2887 if (ixgbe_setup_transmit_structures(adapter)) { 2888 device_printf(dev, "Could not setup transmit structures\n"); 2889 ixgbe_stop(adapter); 2890 return; 2891 } 2892 2893 ixgbe_init_hw(hw); 2894 ixgbe_initialize_iov(adapter); 2895 ixgbe_initialize_transmit_units(adapter); 2896 2897 /* Setup Multicast table */ 2898 ixgbe_set_multi(adapter); 2899 2900 /* Determine the correct mbuf pool, based on frame size */ 2901 if (adapter->max_frame_size <= MCLBYTES) 2902 adapter->rx_mbuf_sz = MCLBYTES; 2903 else 2904 adapter->rx_mbuf_sz = MJUMPAGESIZE; 2905 2906 /* Prepare receive descriptors and buffers */ 2907 if (ixgbe_setup_receive_structures(adapter)) { 2908 device_printf(dev, "Could not setup receive structures\n"); 2909 ixgbe_stop(adapter); 2910 return; 2911 } 2912 2913 /* Configure RX settings */ 2914 ixgbe_initialize_receive_units(adapter); 2915 2916 /* Enable SDP & MSI-X interrupts based on adapter */ 2917 ixgbe_config_gpie(adapter); 2918 2919 /* Set MTU size */ 2920 if (ifp->if_mtu > ETHERMTU) { 2921 /* aka IXGBE_MAXFRS on 82599 and newer */ 2922 mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD); 2923 mhadd &= ~IXGBE_MHADD_MFS_MASK; 2924 mhadd |= adapter->max_frame_size << IXGBE_MHADD_MFS_SHIFT; 2925 IXGBE_WRITE_REG(hw, IXGBE_MHADD, mhadd); 2926 } 2927 2928 /* Now enable all the queues */ 2929 for (int i = 0; i < adapter->num_queues; i++) { 2930 txr = &adapter->tx_rings[i]; 2931 txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txr->me)); 2932 txdctl |= IXGBE_TXDCTL_ENABLE; 2933 /* Set WTHRESH to 8, burst writeback */ 2934 txdctl |= (8 << 16); 2935 /* 2936 * When the internal queue falls below PTHRESH (32), 2937 * start prefetching as long as there are at least 2938 * HTHRESH (1) buffers ready. The values are taken 2939 * from the Intel linux driver 3.8.21. 2940 * Prefetching enables tx line rate even with 1 queue. 2941 */ 2942 txdctl |= (32 << 0) | (1 << 8); 2943 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(txr->me), txdctl); 2944 } 2945 2946 for (int i = 0, j = 0; i < adapter->num_queues; i++) { 2947 rxr = &adapter->rx_rings[i]; 2948 rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)); 2949 if (hw->mac.type == ixgbe_mac_82598EB) { 2950 /* 2951 * PTHRESH = 21 2952 * HTHRESH = 4 2953 * WTHRESH = 8 2954 */ 2955 rxdctl &= ~0x3FFFFF; 2956 rxdctl |= 0x080420; 2957 } 2958 rxdctl |= IXGBE_RXDCTL_ENABLE; 2959 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxr->me), rxdctl); 2960 for (; j < 10; j++) { 2961 if (IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxr->me)) & 2962 IXGBE_RXDCTL_ENABLE) 2963 break; 2964 else 2965 msec_delay(1); 2966 } 2967 wmb(); 2968 2969 /* 2970 * In netmap mode, we must preserve the buffers made 2971 * available to userspace before the if_init() 2972 * (this is true by default on the TX side, because 2973 * init makes all buffers available to userspace). 2974 * 2975 * netmap_reset() and the device specific routines 2976 * (e.g. ixgbe_setup_receive_rings()) map these 2977 * buffers at the end of the NIC ring, so here we 2978 * must set the RDT (tail) register to make sure 2979 * they are not overwritten. 2980 * 2981 * In this driver the NIC ring starts at RDH = 0, 2982 * RDT points to the last slot available for reception (?), 2983 * so RDT = num_rx_desc - 1 means the whole ring is available. 2984 */ 2985#ifdef DEV_NETMAP 2986 if ((adapter->feat_en & IXGBE_FEATURE_NETMAP) && 2987 (ifp->if_capenable & IFCAP_NETMAP)) { 2988 struct netmap_adapter *na = NA(adapter->ifp); 2989 struct netmap_kring *kring = na->rx_rings[i]; 2990 int t = na->num_rx_desc - 1 - nm_kr_rxspace(kring); 2991 2992 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), t); 2993 } else 2994#endif /* DEV_NETMAP */ 2995 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxr->me), 2996 adapter->num_rx_desc - 1); 2997 } 2998 2999 /* Enable Receive engine */ 3000 rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); 3001 if (hw->mac.type == ixgbe_mac_82598EB) 3002 rxctrl |= IXGBE_RXCTRL_DMBYPS; 3003 rxctrl |= IXGBE_RXCTRL_RXEN; 3004 ixgbe_enable_rx_dma(hw, rxctrl); 3005 3006 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 3007 3008 /* Set up MSI-X routing */ 3009 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 3010 ixgbe_configure_ivars(adapter); 3011 /* Set up auto-mask */ 3012 if (hw->mac.type == ixgbe_mac_82598EB) 3013 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 3014 else { 3015 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(0), 0xFFFFFFFF); 3016 IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(1), 0xFFFFFFFF); 3017 } 3018 } else { /* Simple settings for Legacy/MSI */ 3019 ixgbe_set_ivar(adapter, 0, 0, 0); 3020 ixgbe_set_ivar(adapter, 0, 0, 1); 3021 IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE); 3022 } 3023 3024 ixgbe_init_fdir(adapter); 3025 3026 /* 3027 * Check on any SFP devices that 3028 * need to be kick-started 3029 */ 3030 if (hw->phy.type == ixgbe_phy_none) { 3031 err = hw->phy.ops.identify(hw); 3032 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 3033 device_printf(dev, 3034 "Unsupported SFP+ module type was detected.\n"); 3035 return; 3036 } 3037 } 3038 3039 /* Set moderation on the Link interrupt */ 3040 IXGBE_WRITE_REG(hw, IXGBE_EITR(adapter->vector), IXGBE_LINK_ITR); 3041 3042 /* Config/Enable Link */ 3043 ixgbe_config_link(adapter); 3044 3045 /* Hardware Packet Buffer & Flow Control setup */ 3046 ixgbe_config_delay_values(adapter); 3047 3048 /* Initialize the FC settings */ 3049 ixgbe_start_hw(hw); 3050 3051 /* Set up VLAN support and filter */ 3052 ixgbe_setup_vlan_hw_support(adapter); 3053 3054 /* Setup DMA Coalescing */ 3055 ixgbe_config_dmac(adapter); 3056 3057 /* And now turn on interrupts */ 3058 ixgbe_enable_intr(adapter); 3059 3060 /* Enable the use of the MBX by the VF's */ 3061 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) { 3062 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); 3063 ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD; 3064 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); 3065 } 3066 3067 /* Now inform the stack we're ready */ 3068 ifp->if_drv_flags |= IFF_DRV_RUNNING; 3069 3070 return; 3071} /* ixgbe_init_locked */ 3072 3073/************************************************************************ 3074 * ixgbe_init 3075 ************************************************************************/ 3076static void 3077ixgbe_init(void *arg) 3078{ 3079 struct adapter *adapter = arg; 3080 3081 IXGBE_CORE_LOCK(adapter); 3082 ixgbe_init_locked(adapter); 3083 IXGBE_CORE_UNLOCK(adapter); 3084 3085 return; 3086} /* ixgbe_init */ 3087 3088/************************************************************************ 3089 * ixgbe_set_ivar 3090 * 3091 * Setup the correct IVAR register for a particular MSI-X interrupt 3092 * (yes this is all very magic and confusing :) 3093 * - entry is the register array entry 3094 * - vector is the MSI-X vector for this queue 3095 * - type is RX/TX/MISC 3096 ************************************************************************/ 3097static void 3098ixgbe_set_ivar(struct adapter *adapter, u8 entry, u8 vector, s8 type) 3099{ 3100 struct ixgbe_hw *hw = &adapter->hw; 3101 u32 ivar, index; 3102 3103 vector |= IXGBE_IVAR_ALLOC_VAL; 3104 3105 switch (hw->mac.type) { 3106 3107 case ixgbe_mac_82598EB: 3108 if (type == -1) 3109 entry = IXGBE_IVAR_OTHER_CAUSES_INDEX; 3110 else 3111 entry += (type * 64); 3112 index = (entry >> 2) & 0x1F; 3113 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(index)); 3114 ivar &= ~(0xFF << (8 * (entry & 0x3))); 3115 ivar |= (vector << (8 * (entry & 0x3))); 3116 IXGBE_WRITE_REG(&adapter->hw, IXGBE_IVAR(index), ivar); 3117 break; 3118 3119 case ixgbe_mac_82599EB: 3120 case ixgbe_mac_X540: 3121 case ixgbe_mac_X550: 3122 case ixgbe_mac_X550EM_x: 3123 case ixgbe_mac_X550EM_a: 3124 if (type == -1) { /* MISC IVAR */ 3125 index = (entry & 1) * 8; 3126 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR_MISC); 3127 ivar &= ~(0xFF << index); 3128 ivar |= (vector << index); 3129 IXGBE_WRITE_REG(hw, IXGBE_IVAR_MISC, ivar); 3130 } else { /* RX/TX IVARS */ 3131 index = (16 * (entry & 1)) + (8 * type); 3132 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(entry >> 1)); 3133 ivar &= ~(0xFF << index); 3134 ivar |= (vector << index); 3135 IXGBE_WRITE_REG(hw, IXGBE_IVAR(entry >> 1), ivar); 3136 } 3137 3138 default: 3139 break; 3140 } 3141} /* ixgbe_set_ivar */ 3142 3143/************************************************************************ 3144 * ixgbe_configure_ivars 3145 ************************************************************************/ 3146static void 3147ixgbe_configure_ivars(struct adapter *adapter) 3148{ 3149 struct ix_queue *que = adapter->queues; 3150 u32 newitr; 3151 3152 if (ixgbe_max_interrupt_rate > 0) 3153 newitr = (4000000 / ixgbe_max_interrupt_rate) & 0x0FF8; 3154 else { 3155 /* 3156 * Disable DMA coalescing if interrupt moderation is 3157 * disabled. 3158 */ 3159 adapter->dmac = 0; 3160 newitr = 0; 3161 } 3162 3163 for (int i = 0; i < adapter->num_queues; i++, que++) { 3164 struct rx_ring *rxr = &adapter->rx_rings[i]; 3165 struct tx_ring *txr = &adapter->tx_rings[i]; 3166 /* First the RX queue entry */ 3167 ixgbe_set_ivar(adapter, rxr->me, que->msix, 0); 3168 /* ... and the TX */ 3169 ixgbe_set_ivar(adapter, txr->me, que->msix, 1); 3170 /* Set an Initial EITR value */ 3171 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(que->msix), newitr); 3172 } 3173 3174 /* For the Link interrupt */ 3175 ixgbe_set_ivar(adapter, 1, adapter->vector, -1); 3176} /* ixgbe_configure_ivars */ 3177 3178/************************************************************************ 3179 * ixgbe_config_gpie 3180 ************************************************************************/ 3181static void 3182ixgbe_config_gpie(struct adapter *adapter) 3183{ 3184 struct ixgbe_hw *hw = &adapter->hw; 3185 u32 gpie; 3186 3187 gpie = IXGBE_READ_REG(hw, IXGBE_GPIE); 3188 3189 if (adapter->feat_en & IXGBE_FEATURE_MSIX) { 3190 /* Enable Enhanced MSI-X mode */ 3191 gpie |= IXGBE_GPIE_MSIX_MODE 3192 | IXGBE_GPIE_EIAME 3193 | IXGBE_GPIE_PBA_SUPPORT 3194 | IXGBE_GPIE_OCD; 3195 } 3196 3197 /* Fan Failure Interrupt */ 3198 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 3199 gpie |= IXGBE_SDP1_GPIEN; 3200 3201 /* Thermal Sensor Interrupt */ 3202 if (adapter->feat_en & IXGBE_FEATURE_TEMP_SENSOR) 3203 gpie |= IXGBE_SDP0_GPIEN_X540; 3204 3205 /* Link detection */ 3206 switch (hw->mac.type) { 3207 case ixgbe_mac_82599EB: 3208 gpie |= IXGBE_SDP1_GPIEN | IXGBE_SDP2_GPIEN; 3209 break; 3210 case ixgbe_mac_X550EM_x: 3211 case ixgbe_mac_X550EM_a: 3212 gpie |= IXGBE_SDP0_GPIEN_X540; 3213 break; 3214 default: 3215 break; 3216 } 3217 3218 IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); 3219 3220 return; 3221} /* ixgbe_config_gpie */ 3222 3223/************************************************************************ 3224 * ixgbe_config_delay_values 3225 * 3226 * Requires adapter->max_frame_size to be set. 3227 ************************************************************************/ 3228static void 3229ixgbe_config_delay_values(struct adapter *adapter) 3230{ 3231 struct ixgbe_hw *hw = &adapter->hw; 3232 u32 rxpb, frame, size, tmp; 3233 3234 frame = adapter->max_frame_size; 3235 3236 /* Calculate High Water */ 3237 switch (hw->mac.type) { 3238 case ixgbe_mac_X540: 3239 case ixgbe_mac_X550: 3240 case ixgbe_mac_X550EM_x: 3241 case ixgbe_mac_X550EM_a: 3242 tmp = IXGBE_DV_X540(frame, frame); 3243 break; 3244 default: 3245 tmp = IXGBE_DV(frame, frame); 3246 break; 3247 } 3248 size = IXGBE_BT2KB(tmp); 3249 rxpb = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) >> 10; 3250 hw->fc.high_water[0] = rxpb - size; 3251 3252 /* Now calculate Low Water */ 3253 switch (hw->mac.type) { 3254 case ixgbe_mac_X540: 3255 case ixgbe_mac_X550: 3256 case ixgbe_mac_X550EM_x: 3257 case ixgbe_mac_X550EM_a: 3258 tmp = IXGBE_LOW_DV_X540(frame); 3259 break; 3260 default: 3261 tmp = IXGBE_LOW_DV(frame); 3262 break; 3263 } 3264 hw->fc.low_water[0] = IXGBE_BT2KB(tmp); 3265 3266 hw->fc.pause_time = IXGBE_FC_PAUSE; 3267 hw->fc.send_xon = TRUE; 3268} /* ixgbe_config_delay_values */ 3269 3270/************************************************************************ 3271 * ixgbe_set_multi - Multicast Update 3272 * 3273 * Called whenever multicast address list is updated. 3274 ************************************************************************/ 3275static void 3276ixgbe_set_multi(struct adapter *adapter) 3277{ 3278 struct ifmultiaddr *ifma; 3279 struct ixgbe_mc_addr *mta; 3280 struct ifnet *ifp = adapter->ifp; 3281 u8 *update_ptr; 3282 int mcnt = 0; 3283 u32 fctrl; 3284 3285 IOCTL_DEBUGOUT("ixgbe_set_multi: begin"); 3286 3287 mta = adapter->mta; 3288 bzero(mta, sizeof(*mta) * MAX_NUM_MULTICAST_ADDRESSES); 3289 3290#if __FreeBSD_version < 800000 3291 IF_ADDR_LOCK(ifp); 3292#else 3293 if_maddr_rlock(ifp); 3294#endif 3295 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3296 if (ifma->ifma_addr->sa_family != AF_LINK) 3297 continue; 3298 if (mcnt == MAX_NUM_MULTICAST_ADDRESSES) 3299 break; 3300 bcopy(LLADDR((struct sockaddr_dl *) ifma->ifma_addr), 3301 mta[mcnt].addr, IXGBE_ETH_LENGTH_OF_ADDRESS); 3302 mta[mcnt].vmdq = adapter->pool; 3303 mcnt++; 3304 } 3305#if __FreeBSD_version < 800000 3306 IF_ADDR_UNLOCK(ifp); 3307#else 3308 if_maddr_runlock(ifp); 3309#endif 3310 3311 fctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL); 3312 fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 3313 if (ifp->if_flags & IFF_PROMISC) 3314 fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 3315 else if (mcnt >= MAX_NUM_MULTICAST_ADDRESSES || 3316 ifp->if_flags & IFF_ALLMULTI) { 3317 fctrl |= IXGBE_FCTRL_MPE; 3318 fctrl &= ~IXGBE_FCTRL_UPE; 3319 } else 3320 fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); 3321 3322 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, fctrl); 3323 3324 if (mcnt < MAX_NUM_MULTICAST_ADDRESSES) { 3325 update_ptr = (u8 *)mta; 3326 ixgbe_update_mc_addr_list(&adapter->hw, update_ptr, mcnt, 3327 ixgbe_mc_array_itr, TRUE); 3328 } 3329 3330 return; 3331} /* ixgbe_set_multi */ 3332 3333/************************************************************************ 3334 * ixgbe_mc_array_itr 3335 * 3336 * An iterator function needed by the multicast shared code. 3337 * It feeds the shared code routine the addresses in the 3338 * array of ixgbe_set_multi() one by one. 3339 ************************************************************************/ 3340static u8 * 3341ixgbe_mc_array_itr(struct ixgbe_hw *hw, u8 **update_ptr, u32 *vmdq) 3342{ 3343 struct ixgbe_mc_addr *mta; 3344 3345 mta = (struct ixgbe_mc_addr *)*update_ptr; 3346 *vmdq = mta->vmdq; 3347 3348 *update_ptr = (u8*)(mta + 1); 3349 3350 return (mta->addr); 3351} /* ixgbe_mc_array_itr */ 3352 3353/************************************************************************ 3354 * ixgbe_local_timer - Timer routine 3355 * 3356 * Checks for link status, updates statistics, 3357 * and runs the watchdog check. 3358 ************************************************************************/ 3359static void 3360ixgbe_local_timer(void *arg) 3361{ 3362 struct adapter *adapter = arg; 3363 device_t dev = adapter->dev; 3364 struct ix_queue *que = adapter->queues; 3365 u64 queues = 0; 3366 int hung = 0; 3367 3368 mtx_assert(&adapter->core_mtx, MA_OWNED); 3369 3370 /* Check for pluggable optics */ 3371 if (adapter->sfp_probe) 3372 if (!ixgbe_sfp_probe(adapter)) 3373 goto out; /* Nothing to do */ 3374 3375 ixgbe_update_link_status(adapter); 3376 ixgbe_update_stats_counters(adapter); 3377 3378 /* 3379 * Check the TX queues status 3380 * - mark hung queues so we don't schedule on them 3381 * - watchdog only if all queues show hung 3382 */ 3383 for (int i = 0; i < adapter->num_queues; i++, que++) { 3384 /* Keep track of queues with work for soft irq */ 3385 if (que->txr->busy) 3386 queues |= ((u64)1 << que->me); 3387 /* 3388 * Each time txeof runs without cleaning, but there 3389 * are uncleaned descriptors it increments busy. If 3390 * we get to the MAX we declare it hung. 3391 */ 3392 if (que->busy == IXGBE_QUEUE_HUNG) { 3393 ++hung; 3394 /* Mark the queue as inactive */ 3395 adapter->active_queues &= ~((u64)1 << que->me); 3396 continue; 3397 } else { 3398 /* Check if we've come back from hung */ 3399 if ((adapter->active_queues & ((u64)1 << que->me)) == 0) 3400 adapter->active_queues |= ((u64)1 << que->me); 3401 } 3402 if (que->busy >= IXGBE_MAX_TX_BUSY) { 3403 device_printf(dev, 3404 "Warning queue %d appears to be hung!\n", i); 3405 que->txr->busy = IXGBE_QUEUE_HUNG; 3406 ++hung; 3407 } 3408 } 3409 3410 /* Only truly watchdog if all queues show hung */ 3411 if (hung == adapter->num_queues) 3412 goto watchdog; 3413 else if (queues != 0) { /* Force an IRQ on queues with work */ 3414 ixgbe_rearm_queues(adapter, queues); 3415 } 3416 3417out: 3418 callout_reset(&adapter->timer, hz, ixgbe_local_timer, adapter); 3419 return; 3420 3421watchdog: 3422 device_printf(adapter->dev, "Watchdog timeout -- resetting\n"); 3423 adapter->ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 3424 adapter->watchdog_events++; 3425 ixgbe_init_locked(adapter); 3426} /* ixgbe_local_timer */ 3427 3428/************************************************************************ 3429 * ixgbe_sfp_probe 3430 * 3431 * Determine if a port had optics inserted. 3432 ************************************************************************/ 3433static bool 3434ixgbe_sfp_probe(struct adapter *adapter) 3435{ 3436 struct ixgbe_hw *hw = &adapter->hw; 3437 device_t dev = adapter->dev; 3438 bool result = FALSE; 3439 3440 if ((hw->phy.type == ixgbe_phy_nl) && 3441 (hw->phy.sfp_type == ixgbe_sfp_type_not_present)) { 3442 s32 ret = hw->phy.ops.identify_sfp(hw); 3443 if (ret) 3444 goto out; 3445 ret = hw->phy.ops.reset(hw); 3446 adapter->sfp_probe = FALSE; 3447 if (ret == IXGBE_ERR_SFP_NOT_SUPPORTED) { 3448 device_printf(dev, "Unsupported SFP+ module detected!"); 3449 device_printf(dev, 3450 "Reload driver with supported module.\n"); 3451 goto out; 3452 } else 3453 device_printf(dev, "SFP+ module detected!\n"); 3454 /* We now have supported optics */ 3455 result = TRUE; 3456 } 3457out: 3458 3459 return (result); 3460} /* ixgbe_sfp_probe */ 3461 3462/************************************************************************ 3463 * ixgbe_handle_mod - Tasklet for SFP module interrupts 3464 ************************************************************************/ 3465static void 3466ixgbe_handle_mod(void *context, int pending) 3467{ 3468 struct adapter *adapter = context; 3469 struct ixgbe_hw *hw = &adapter->hw; 3470 device_t dev = adapter->dev; 3471 u32 err, cage_full = 0; 3472 3473 if (adapter->hw.need_crosstalk_fix) { 3474 switch (hw->mac.type) { 3475 case ixgbe_mac_82599EB: 3476 cage_full = IXGBE_READ_REG(hw, IXGBE_ESDP) & 3477 IXGBE_ESDP_SDP2; 3478 break; 3479 case ixgbe_mac_X550EM_x: 3480 case ixgbe_mac_X550EM_a: 3481 cage_full = IXGBE_READ_REG(hw, IXGBE_ESDP) & 3482 IXGBE_ESDP_SDP0; 3483 break; 3484 default: 3485 break; 3486 } 3487 3488 if (!cage_full) 3489 return; 3490 } 3491 3492 err = hw->phy.ops.identify_sfp(hw); 3493 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 3494 device_printf(dev, 3495 "Unsupported SFP+ module type was detected.\n"); 3496 return; 3497 } 3498 3499 err = hw->mac.ops.setup_sfp(hw); 3500 if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { 3501 device_printf(dev, 3502 "Setup failure - unsupported SFP+ module type.\n"); 3503 return; 3504 } 3505 taskqueue_enqueue(adapter->tq, &adapter->msf_task); 3506} /* ixgbe_handle_mod */ 3507 3508 3509/************************************************************************ 3510 * ixgbe_handle_msf - Tasklet for MSF (multispeed fiber) interrupts 3511 ************************************************************************/ 3512static void 3513ixgbe_handle_msf(void *context, int pending) 3514{ 3515 struct adapter *adapter = context; 3516 struct ixgbe_hw *hw = &adapter->hw; 3517 u32 autoneg; 3518 bool negotiate; 3519 3520 /* get_supported_phy_layer will call hw->phy.ops.identify_sfp() */ 3521 adapter->phy_layer = ixgbe_get_supported_physical_layer(hw); 3522 3523 autoneg = hw->phy.autoneg_advertised; 3524 if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) 3525 hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiate); 3526 if (hw->mac.ops.setup_link) 3527 hw->mac.ops.setup_link(hw, autoneg, TRUE); 3528 3529 /* Adjust media types shown in ifconfig */ 3530 ifmedia_removeall(&adapter->media); 3531 ixgbe_add_media_types(adapter); 3532 ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO); 3533} /* ixgbe_handle_msf */ 3534 3535/************************************************************************ 3536 * ixgbe_handle_phy - Tasklet for external PHY interrupts 3537 ************************************************************************/ 3538static void 3539ixgbe_handle_phy(void *context, int pending) 3540{ 3541 struct adapter *adapter = context; 3542 struct ixgbe_hw *hw = &adapter->hw; 3543 int error; 3544 3545 error = hw->phy.ops.handle_lasi(hw); 3546 if (error == IXGBE_ERR_OVERTEMP) 3547 device_printf(adapter->dev, "CRITICAL: EXTERNAL PHY OVER TEMP!! PHY will downshift to lower power state!\n"); 3548 else if (error) 3549 device_printf(adapter->dev, 3550 "Error handling LASI interrupt: %d\n", error); 3551} /* ixgbe_handle_phy */ 3552 3553/************************************************************************ 3554 * ixgbe_stop - Stop the hardware 3555 * 3556 * Disables all traffic on the adapter by issuing a 3557 * global reset on the MAC and deallocates TX/RX buffers. 3558 ************************************************************************/ 3559static void 3560ixgbe_stop(void *arg) 3561{ 3562 struct ifnet *ifp; 3563 struct adapter *adapter = arg; 3564 struct ixgbe_hw *hw = &adapter->hw; 3565 3566 ifp = adapter->ifp; 3567 3568 mtx_assert(&adapter->core_mtx, MA_OWNED); 3569 3570 INIT_DEBUGOUT("ixgbe_stop: begin\n"); 3571 ixgbe_disable_intr(adapter); 3572 callout_stop(&adapter->timer); 3573 3574 /* Let the stack know...*/ 3575 ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 3576 3577 ixgbe_reset_hw(hw); 3578 hw->adapter_stopped = FALSE; 3579 ixgbe_stop_adapter(hw); 3580 if (hw->mac.type == ixgbe_mac_82599EB) 3581 ixgbe_stop_mac_link_on_d3_82599(hw); 3582 /* Turn off the laser - noop with no optics */ 3583 ixgbe_disable_tx_laser(hw); 3584 3585 /* Update the stack */ 3586 adapter->link_up = FALSE; 3587 ixgbe_update_link_status(adapter); 3588 3589 /* reprogram the RAR[0] in case user changed it. */ 3590 ixgbe_set_rar(&adapter->hw, 0, adapter->hw.mac.addr, 0, IXGBE_RAH_AV); 3591 3592 return; 3593} /* ixgbe_stop */ 3594 3595/************************************************************************ 3596 * ixgbe_update_link_status - Update OS on link state 3597 * 3598 * Note: Only updates the OS on the cached link state. 3599 * The real check of the hardware only happens with 3600 * a link interrupt. 3601 ************************************************************************/ 3602static void 3603ixgbe_update_link_status(struct adapter *adapter) 3604{ 3605 struct ifnet *ifp = adapter->ifp; 3606 device_t dev = adapter->dev; 3607 3608 if (adapter->link_up) { 3609 if (adapter->link_active == FALSE) { 3610 if (bootverbose) 3611 device_printf(dev, "Link is up %d Gbps %s \n", 3612 ((adapter->link_speed == 128) ? 10 : 1), 3613 "Full Duplex"); 3614 adapter->link_active = TRUE; 3615 /* Update any Flow Control changes */ 3616 ixgbe_fc_enable(&adapter->hw); 3617 /* Update DMA coalescing config */ 3618 ixgbe_config_dmac(adapter); 3619 if_link_state_change(ifp, LINK_STATE_UP); 3620 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 3621 ixgbe_ping_all_vfs(adapter); 3622 } 3623 } else { /* Link down */ 3624 if (adapter->link_active == TRUE) { 3625 if (bootverbose) 3626 device_printf(dev, "Link is Down\n"); 3627 if_link_state_change(ifp, LINK_STATE_DOWN); 3628 adapter->link_active = FALSE; 3629 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 3630 ixgbe_ping_all_vfs(adapter); 3631 } 3632 } 3633 3634 return; 3635} /* ixgbe_update_link_status */ 3636 3637/************************************************************************ 3638 * ixgbe_config_dmac - Configure DMA Coalescing 3639 ************************************************************************/ 3640static void 3641ixgbe_config_dmac(struct adapter *adapter) 3642{ 3643 struct ixgbe_hw *hw = &adapter->hw; 3644 struct ixgbe_dmac_config *dcfg = &hw->mac.dmac_config; 3645 3646 if (hw->mac.type < ixgbe_mac_X550 || !hw->mac.ops.dmac_config) 3647 return; 3648 3649 if (dcfg->watchdog_timer ^ adapter->dmac || 3650 dcfg->link_speed ^ adapter->link_speed) { 3651 dcfg->watchdog_timer = adapter->dmac; 3652 dcfg->fcoe_en = false; 3653 dcfg->link_speed = adapter->link_speed; 3654 dcfg->num_tcs = 1; 3655 3656 INIT_DEBUGOUT2("dmac settings: watchdog %d, link speed %d\n", 3657 dcfg->watchdog_timer, dcfg->link_speed); 3658 3659 hw->mac.ops.dmac_config(hw); 3660 } 3661} /* ixgbe_config_dmac */ 3662 3663/************************************************************************ 3664 * ixgbe_enable_intr 3665 ************************************************************************/ 3666static void 3667ixgbe_enable_intr(struct adapter *adapter) 3668{ 3669 struct ixgbe_hw *hw = &adapter->hw; 3670 struct ix_queue *que = adapter->queues; 3671 u32 mask, fwsm; 3672 3673 mask = (IXGBE_EIMS_ENABLE_MASK & ~IXGBE_EIMS_RTX_QUEUE); 3674 3675 switch (adapter->hw.mac.type) { 3676 case ixgbe_mac_82599EB: 3677 mask |= IXGBE_EIMS_ECC; 3678 /* Temperature sensor on some adapters */ 3679 mask |= IXGBE_EIMS_GPI_SDP0; 3680 /* SFP+ (RX_LOS_N & MOD_ABS_N) */ 3681 mask |= IXGBE_EIMS_GPI_SDP1; 3682 mask |= IXGBE_EIMS_GPI_SDP2; 3683 break; 3684 case ixgbe_mac_X540: 3685 /* Detect if Thermal Sensor is enabled */ 3686 fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM); 3687 if (fwsm & IXGBE_FWSM_TS_ENABLED) 3688 mask |= IXGBE_EIMS_TS; 3689 mask |= IXGBE_EIMS_ECC; 3690 break; 3691 case ixgbe_mac_X550: 3692 /* MAC thermal sensor is automatically enabled */ 3693 mask |= IXGBE_EIMS_TS; 3694 mask |= IXGBE_EIMS_ECC; 3695 break; 3696 case ixgbe_mac_X550EM_x: 3697 case ixgbe_mac_X550EM_a: 3698 /* Some devices use SDP0 for important information */ 3699 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP || 3700 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP || 3701 hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N || 3702 hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) 3703 mask |= IXGBE_EIMS_GPI_SDP0_BY_MAC(hw); 3704 if (hw->phy.type == ixgbe_phy_x550em_ext_t) 3705 mask |= IXGBE_EICR_GPI_SDP0_X540; 3706 mask |= IXGBE_EIMS_ECC; 3707 break; 3708 default: 3709 break; 3710 } 3711 3712 /* Enable Fan Failure detection */ 3713 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) 3714 mask |= IXGBE_EIMS_GPI_SDP1; 3715 /* Enable SR-IOV */ 3716 if (adapter->feat_en & IXGBE_FEATURE_SRIOV) 3717 mask |= IXGBE_EIMS_MAILBOX; 3718 /* Enable Flow Director */ 3719 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 3720 mask |= IXGBE_EIMS_FLOW_DIR; 3721 3722 IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask); 3723 3724 /* With MSI-X we use auto clear */ 3725 if (adapter->msix_mem) { 3726 mask = IXGBE_EIMS_ENABLE_MASK; 3727 /* Don't autoclear Link */ 3728 mask &= ~IXGBE_EIMS_OTHER; 3729 mask &= ~IXGBE_EIMS_LSC; 3730 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 3731 mask &= ~IXGBE_EIMS_MAILBOX; 3732 IXGBE_WRITE_REG(hw, IXGBE_EIAC, mask); 3733 } 3734 3735 /* 3736 * Now enable all queues, this is done separately to 3737 * allow for handling the extended (beyond 32) MSI-X 3738 * vectors that can be used by 82599 3739 */ 3740 for (int i = 0; i < adapter->num_queues; i++, que++) 3741 ixgbe_enable_queue(adapter, que->msix); 3742 3743 IXGBE_WRITE_FLUSH(hw); 3744 3745 return; 3746} /* ixgbe_enable_intr */ 3747 3748/************************************************************************ 3749 * ixgbe_disable_intr 3750 ************************************************************************/ 3751static void 3752ixgbe_disable_intr(struct adapter *adapter) 3753{ 3754 if (adapter->msix_mem) 3755 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIAC, 0); 3756 if (adapter->hw.mac.type == ixgbe_mac_82598EB) { 3757 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~0); 3758 } else { 3759 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFF0000); 3760 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(0), ~0); 3761 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(1), ~0); 3762 } 3763 IXGBE_WRITE_FLUSH(&adapter->hw); 3764 3765 return; 3766} /* ixgbe_disable_intr */ 3767 3768/************************************************************************ 3769 * ixgbe_legacy_irq - Legacy Interrupt Service routine 3770 ************************************************************************/ 3771static void 3772ixgbe_legacy_irq(void *arg) 3773{ 3774 struct ix_queue *que = arg; 3775 struct adapter *adapter = que->adapter; 3776 struct ixgbe_hw *hw = &adapter->hw; 3777 struct ifnet *ifp = adapter->ifp; 3778 struct tx_ring *txr = adapter->tx_rings; 3779 bool more = false; 3780 u32 eicr, eicr_mask; 3781 3782 /* Silicon errata #26 on 82598 */ 3783 IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_IRQ_CLEAR_MASK); 3784 3785 eicr = IXGBE_READ_REG(hw, IXGBE_EICR); 3786 3787 ++que->irqs; 3788 if (eicr == 0) { 3789 ixgbe_enable_intr(adapter); 3790 return; 3791 } 3792 3793 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3794 more = ixgbe_rxeof(que); 3795 3796 IXGBE_TX_LOCK(txr); 3797 ixgbe_txeof(txr); 3798 if (!ixgbe_ring_empty(ifp, txr->br)) 3799 ixgbe_start_locked(ifp, txr); 3800 IXGBE_TX_UNLOCK(txr); 3801 } 3802 3803 /* Check for fan failure */ 3804 if (adapter->feat_en & IXGBE_FEATURE_FAN_FAIL) { 3805 ixgbe_check_fan_failure(adapter, eicr, true); 3806 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 3807 } 3808 3809 /* Link status change */ 3810 if (eicr & IXGBE_EICR_LSC) 3811 taskqueue_enqueue(adapter->tq, &adapter->link_task); 3812 3813 if (ixgbe_is_sfp(hw)) { 3814 /* Pluggable optics-related interrupt */ 3815 if (hw->mac.type >= ixgbe_mac_X540) 3816 eicr_mask = IXGBE_EICR_GPI_SDP0_X540; 3817 else 3818 eicr_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw); 3819 3820 if (eicr & eicr_mask) { 3821 IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr_mask); 3822 taskqueue_enqueue(adapter->tq, &adapter->mod_task); 3823 } 3824 3825 if ((hw->mac.type == ixgbe_mac_82599EB) && 3826 (eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) { 3827 IXGBE_WRITE_REG(hw, IXGBE_EICR, 3828 IXGBE_EICR_GPI_SDP1_BY_MAC(hw)); 3829 taskqueue_enqueue(adapter->tq, &adapter->msf_task); 3830 } 3831 } 3832 3833 /* External PHY interrupt */ 3834 if ((hw->phy.type == ixgbe_phy_x550em_ext_t) && 3835 (eicr & IXGBE_EICR_GPI_SDP0_X540)) 3836 taskqueue_enqueue(adapter->tq, &adapter->phy_task); 3837 3838 if (more) 3839 taskqueue_enqueue(que->tq, &que->que_task); 3840 else 3841 ixgbe_enable_intr(adapter); 3842 3843 return; 3844} /* ixgbe_legacy_irq */ 3845 3846/************************************************************************ 3847 * ixgbe_free_pci_resources 3848 ************************************************************************/ 3849static void 3850ixgbe_free_pci_resources(struct adapter *adapter) 3851{ 3852 struct ix_queue *que = adapter->queues; 3853 device_t dev = adapter->dev; 3854 int rid, memrid; 3855 3856 if (adapter->hw.mac.type == ixgbe_mac_82598EB) 3857 memrid = PCIR_BAR(MSIX_82598_BAR); 3858 else 3859 memrid = PCIR_BAR(MSIX_82599_BAR); 3860 3861 /* 3862 * There is a slight possibility of a failure mode 3863 * in attach that will result in entering this function 3864 * before interrupt resources have been initialized, and 3865 * in that case we do not want to execute the loops below 3866 * We can detect this reliably by the state of the adapter 3867 * res pointer. 3868 */ 3869 if (adapter->res == NULL) 3870 goto mem; 3871 3872 /* 3873 * Release all msix queue resources: 3874 */ 3875 for (int i = 0; i < adapter->num_queues; i++, que++) { 3876 rid = que->msix + 1; 3877 if (que->tag != NULL) { 3878 bus_teardown_intr(dev, que->res, que->tag); 3879 que->tag = NULL; 3880 } 3881 if (que->res != NULL) 3882 bus_release_resource(dev, SYS_RES_IRQ, rid, que->res); 3883 } 3884 3885 3886 if (adapter->tag != NULL) { 3887 bus_teardown_intr(dev, adapter->res, adapter->tag); 3888 adapter->tag = NULL; 3889 } 3890 3891 /* Clean the Legacy or Link interrupt last */ 3892 if (adapter->res != NULL) 3893 bus_release_resource(dev, SYS_RES_IRQ, adapter->link_rid, 3894 adapter->res); 3895 3896mem: 3897 if ((adapter->feat_en & IXGBE_FEATURE_MSI) || 3898 (adapter->feat_en & IXGBE_FEATURE_MSIX)) 3899 pci_release_msi(dev); 3900 3901 if (adapter->msix_mem != NULL) 3902 bus_release_resource(dev, SYS_RES_MEMORY, memrid, 3903 adapter->msix_mem); 3904 3905 if (adapter->pci_mem != NULL) 3906 bus_release_resource(dev, SYS_RES_MEMORY, PCIR_BAR(0), 3907 adapter->pci_mem); 3908 3909 return; 3910} /* ixgbe_free_pci_resources */ 3911 3912/************************************************************************ 3913 * ixgbe_set_sysctl_value 3914 ************************************************************************/ 3915static void 3916ixgbe_set_sysctl_value(struct adapter *adapter, const char *name, 3917 const char *description, int *limit, int value) 3918{ 3919 *limit = value; 3920 SYSCTL_ADD_INT(device_get_sysctl_ctx(adapter->dev), 3921 SYSCTL_CHILDREN(device_get_sysctl_tree(adapter->dev)), 3922 OID_AUTO, name, CTLFLAG_RW, limit, value, description); 3923} /* ixgbe_set_sysctl_value */ 3924 3925/************************************************************************ 3926 * ixgbe_sysctl_flowcntl 3927 * 3928 * SYSCTL wrapper around setting Flow Control 3929 ************************************************************************/ 3930static int 3931ixgbe_sysctl_flowcntl(SYSCTL_HANDLER_ARGS) 3932{ 3933 struct adapter *adapter; 3934 int error, fc; 3935 3936 adapter = (struct adapter *)arg1; 3937 fc = adapter->hw.fc.current_mode; 3938 3939 error = sysctl_handle_int(oidp, &fc, 0, req); 3940 if ((error) || (req->newptr == NULL)) 3941 return (error); 3942 3943 /* Don't bother if it's not changed */ 3944 if (fc == adapter->hw.fc.current_mode) 3945 return (0); 3946 3947 return ixgbe_set_flowcntl(adapter, fc); 3948} /* ixgbe_sysctl_flowcntl */ 3949 3950/************************************************************************ 3951 * ixgbe_set_flowcntl - Set flow control 3952 * 3953 * Flow control values: 3954 * 0 - off 3955 * 1 - rx pause 3956 * 2 - tx pause 3957 * 3 - full 3958 ************************************************************************/ 3959static int 3960ixgbe_set_flowcntl(struct adapter *adapter, int fc) 3961{ 3962 switch (fc) { 3963 case ixgbe_fc_rx_pause: 3964 case ixgbe_fc_tx_pause: 3965 case ixgbe_fc_full: 3966 adapter->hw.fc.requested_mode = fc; 3967 if (adapter->num_queues > 1) 3968 ixgbe_disable_rx_drop(adapter); 3969 break; 3970 case ixgbe_fc_none: 3971 adapter->hw.fc.requested_mode = ixgbe_fc_none; 3972 if (adapter->num_queues > 1) 3973 ixgbe_enable_rx_drop(adapter); 3974 break; 3975 default: 3976 return (EINVAL); 3977 } 3978 3979 /* Don't autoneg if forcing a value */ 3980 adapter->hw.fc.disable_fc_autoneg = TRUE; 3981 ixgbe_fc_enable(&adapter->hw); 3982 3983 return (0); 3984} /* ixgbe_set_flowcntl */ 3985 3986/************************************************************************ 3987 * ixgbe_enable_rx_drop 3988 * 3989 * Enable the hardware to drop packets when the buffer is 3990 * full. This is useful with multiqueue, so that no single 3991 * queue being full stalls the entire RX engine. We only 3992 * enable this when Multiqueue is enabled AND Flow Control 3993 * is disabled. 3994 ************************************************************************/ 3995static void 3996ixgbe_enable_rx_drop(struct adapter *adapter) 3997{ 3998 struct ixgbe_hw *hw = &adapter->hw; 3999 struct rx_ring *rxr; 4000 u32 srrctl; 4001 4002 for (int i = 0; i < adapter->num_queues; i++) { 4003 rxr = &adapter->rx_rings[i]; 4004 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 4005 srrctl |= IXGBE_SRRCTL_DROP_EN; 4006 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 4007 } 4008 4009 /* enable drop for each vf */ 4010 for (int i = 0; i < adapter->num_vfs; i++) { 4011 IXGBE_WRITE_REG(hw, IXGBE_QDE, 4012 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT) | 4013 IXGBE_QDE_ENABLE)); 4014 } 4015} /* ixgbe_enable_rx_drop */ 4016 4017/************************************************************************ 4018 * ixgbe_disable_rx_drop 4019 ************************************************************************/ 4020static void 4021ixgbe_disable_rx_drop(struct adapter *adapter) 4022{ 4023 struct ixgbe_hw *hw = &adapter->hw; 4024 struct rx_ring *rxr; 4025 u32 srrctl; 4026 4027 for (int i = 0; i < adapter->num_queues; i++) { 4028 rxr = &adapter->rx_rings[i]; 4029 srrctl = IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxr->me)); 4030 srrctl &= ~IXGBE_SRRCTL_DROP_EN; 4031 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxr->me), srrctl); 4032 } 4033 4034 /* disable drop for each vf */ 4035 for (int i = 0; i < adapter->num_vfs; i++) { 4036 IXGBE_WRITE_REG(hw, IXGBE_QDE, 4037 (IXGBE_QDE_WRITE | (i << IXGBE_QDE_IDX_SHIFT))); 4038 } 4039} /* ixgbe_disable_rx_drop */ 4040 4041/************************************************************************ 4042 * ixgbe_sysctl_advertise 4043 * 4044 * SYSCTL wrapper around setting advertised speed 4045 ************************************************************************/ 4046static int 4047ixgbe_sysctl_advertise(SYSCTL_HANDLER_ARGS) 4048{ 4049 struct adapter *adapter; 4050 int error, advertise; 4051 4052 adapter = (struct adapter *)arg1; 4053 advertise = adapter->advertise; 4054 4055 error = sysctl_handle_int(oidp, &advertise, 0, req); 4056 if ((error) || (req->newptr == NULL)) 4057 return (error); 4058 4059 return ixgbe_set_advertise(adapter, advertise); 4060} /* ixgbe_sysctl_advertise */ 4061 4062/************************************************************************ 4063 * ixgbe_set_advertise - Control advertised link speed 4064 * 4065 * Flags: 4066 * 0x1 - advertise 100 Mb 4067 * 0x2 - advertise 1G 4068 * 0x4 - advertise 10G 4069 * 0x8 - advertise 10 Mb (yes, Mb) 4070 ************************************************************************/ 4071static int 4072ixgbe_set_advertise(struct adapter *adapter, int advertise) 4073{ 4074 device_t dev; 4075 struct ixgbe_hw *hw; 4076 ixgbe_link_speed speed = 0; 4077 ixgbe_link_speed link_caps = 0; 4078 s32 err = IXGBE_NOT_IMPLEMENTED; 4079 bool negotiate = FALSE; 4080 4081 /* Checks to validate new value */ 4082 if (adapter->advertise == advertise) /* no change */ 4083 return (0); 4084 4085 dev = adapter->dev; 4086 hw = &adapter->hw; 4087 4088 /* No speed changes for backplane media */ 4089 if (hw->phy.media_type == ixgbe_media_type_backplane) 4090 return (ENODEV); 4091 4092 if (!((hw->phy.media_type == ixgbe_media_type_copper) || 4093 (hw->phy.multispeed_fiber))) { 4094 device_printf(dev, "Advertised speed can only be set on copper or multispeed fiber media types.\n"); 4095 return (EINVAL); 4096 } 4097 4098 if (advertise < 0x1 || advertise > 0xF) { 4099 device_printf(dev, "Invalid advertised speed; valid modes are 0x1 through 0xF\n"); 4100 return (EINVAL); 4101 } 4102 4103 if (hw->mac.ops.get_link_capabilities) { 4104 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, 4105 &negotiate); 4106 if (err != IXGBE_SUCCESS) { 4107 device_printf(dev, "Unable to determine supported advertise speeds\n"); 4108 return (ENODEV); 4109 } 4110 } 4111 4112 /* Set new value and report new advertised mode */ 4113 if (advertise & 0x1) { 4114 if (!(link_caps & IXGBE_LINK_SPEED_100_FULL)) { 4115 device_printf(dev, "Interface does not support 100Mb advertised speed\n"); 4116 return (EINVAL); 4117 } 4118 speed |= IXGBE_LINK_SPEED_100_FULL; 4119 } 4120 if (advertise & 0x2) { 4121 if (!(link_caps & IXGBE_LINK_SPEED_1GB_FULL)) { 4122 device_printf(dev, "Interface does not support 1Gb advertised speed\n"); 4123 return (EINVAL); 4124 } 4125 speed |= IXGBE_LINK_SPEED_1GB_FULL; 4126 } 4127 if (advertise & 0x4) { 4128 if (!(link_caps & IXGBE_LINK_SPEED_10GB_FULL)) { 4129 device_printf(dev, "Interface does not support 10Gb advertised speed\n"); 4130 return (EINVAL); 4131 } 4132 speed |= IXGBE_LINK_SPEED_10GB_FULL; 4133 } 4134 if (advertise & 0x8) { 4135 if (!(link_caps & IXGBE_LINK_SPEED_10_FULL)) { 4136 device_printf(dev, "Interface does not support 10Mb advertised speed\n"); 4137 return (EINVAL); 4138 } 4139 speed |= IXGBE_LINK_SPEED_10_FULL; 4140 } 4141 4142 hw->mac.autotry_restart = TRUE; 4143 hw->mac.ops.setup_link(hw, speed, TRUE); 4144 adapter->advertise = advertise; 4145 4146 return (0); 4147} /* ixgbe_set_advertise */ 4148 4149/************************************************************************ 4150 * ixgbe_get_advertise - Get current advertised speed settings 4151 * 4152 * Formatted for sysctl usage. 4153 * Flags: 4154 * 0x1 - advertise 100 Mb 4155 * 0x2 - advertise 1G 4156 * 0x4 - advertise 10G 4157 * 0x8 - advertise 10 Mb (yes, Mb) 4158 ************************************************************************/ 4159static int 4160ixgbe_get_advertise(struct adapter *adapter) 4161{ 4162 struct ixgbe_hw *hw = &adapter->hw; 4163 int speed; 4164 ixgbe_link_speed link_caps = 0; 4165 s32 err; 4166 bool negotiate = FALSE; 4167 4168 /* 4169 * Advertised speed means nothing unless it's copper or 4170 * multi-speed fiber 4171 */ 4172 if (!(hw->phy.media_type == ixgbe_media_type_copper) && 4173 !(hw->phy.multispeed_fiber)) 4174 return (0); 4175 4176 err = hw->mac.ops.get_link_capabilities(hw, &link_caps, &negotiate); 4177 if (err != IXGBE_SUCCESS) 4178 return (0); 4179 4180 speed = 4181 ((link_caps & IXGBE_LINK_SPEED_10GB_FULL) ? 4 : 0) | 4182 ((link_caps & IXGBE_LINK_SPEED_1GB_FULL) ? 2 : 0) | 4183 ((link_caps & IXGBE_LINK_SPEED_100_FULL) ? 1 : 0) | 4184 ((link_caps & IXGBE_LINK_SPEED_10_FULL) ? 8 : 0); 4185 4186 return speed; 4187} /* ixgbe_get_advertise */ 4188 4189/************************************************************************ 4190 * ixgbe_sysctl_dmac - Manage DMA Coalescing 4191 * 4192 * Control values: 4193 * 0/1 - off / on (use default value of 1000) 4194 * 4195 * Legal timer values are: 4196 * 50,100,250,500,1000,2000,5000,10000 4197 * 4198 * Turning off interrupt moderation will also turn this off. 4199 ************************************************************************/ 4200static int 4201ixgbe_sysctl_dmac(SYSCTL_HANDLER_ARGS) 4202{ 4203 struct adapter *adapter = (struct adapter *)arg1; 4204 struct ifnet *ifp = adapter->ifp; 4205 int error; 4206 u32 newval; 4207 4208 newval = adapter->dmac; 4209 error = sysctl_handle_int(oidp, &newval, 0, req); 4210 if ((error) || (req->newptr == NULL)) 4211 return (error); 4212 4213 switch (newval) { 4214 case 0: 4215 /* Disabled */ 4216 adapter->dmac = 0; 4217 break; 4218 case 1: 4219 /* Enable and use default */ 4220 adapter->dmac = 1000; 4221 break; 4222 case 50: 4223 case 100: 4224 case 250: 4225 case 500: 4226 case 1000: 4227 case 2000: 4228 case 5000: 4229 case 10000: 4230 /* Legal values - allow */ 4231 adapter->dmac = newval; 4232 break; 4233 default: 4234 /* Do nothing, illegal value */ 4235 return (EINVAL); 4236 } 4237 4238 /* Re-initialize hardware if it's already running */ 4239 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 4240 ixgbe_init(adapter); 4241 4242 return (0); 4243} /* ixgbe_sysctl_dmac */ 4244 4245#ifdef IXGBE_DEBUG 4246/************************************************************************ 4247 * ixgbe_sysctl_power_state 4248 * 4249 * Sysctl to test power states 4250 * Values: 4251 * 0 - set device to D0 4252 * 3 - set device to D3 4253 * (none) - get current device power state 4254 ************************************************************************/ 4255static int 4256ixgbe_sysctl_power_state(SYSCTL_HANDLER_ARGS) 4257{ 4258 struct adapter *adapter = (struct adapter *)arg1; 4259 device_t dev = adapter->dev; 4260 int curr_ps, new_ps, error = 0; 4261 4262 curr_ps = new_ps = pci_get_powerstate(dev); 4263 4264 error = sysctl_handle_int(oidp, &new_ps, 0, req); 4265 if ((error) || (req->newptr == NULL)) 4266 return (error); 4267 4268 if (new_ps == curr_ps) 4269 return (0); 4270 4271 if (new_ps == 3 && curr_ps == 0) 4272 error = DEVICE_SUSPEND(dev); 4273 else if (new_ps == 0 && curr_ps == 3) 4274 error = DEVICE_RESUME(dev); 4275 else 4276 return (EINVAL); 4277 4278 device_printf(dev, "New state: %d\n", pci_get_powerstate(dev)); 4279 4280 return (error); 4281} /* ixgbe_sysctl_power_state */ 4282#endif 4283 4284/************************************************************************ 4285 * ixgbe_sysctl_wol_enable 4286 * 4287 * Sysctl to enable/disable the WoL capability, 4288 * if supported by the adapter. 4289 * 4290 * Values: 4291 * 0 - disabled 4292 * 1 - enabled 4293 ************************************************************************/ 4294static int 4295ixgbe_sysctl_wol_enable(SYSCTL_HANDLER_ARGS) 4296{ 4297 struct adapter *adapter = (struct adapter *)arg1; 4298 struct ixgbe_hw *hw = &adapter->hw; 4299 int new_wol_enabled; 4300 int error = 0; 4301 4302 new_wol_enabled = hw->wol_enabled; 4303 error = sysctl_handle_int(oidp, &new_wol_enabled, 0, req); 4304 if ((error) || (req->newptr == NULL)) 4305 return (error); 4306 new_wol_enabled = !!(new_wol_enabled); 4307 if (new_wol_enabled == hw->wol_enabled) 4308 return (0); 4309 4310 if (new_wol_enabled > 0 && !adapter->wol_support) 4311 return (ENODEV); 4312 else 4313 hw->wol_enabled = new_wol_enabled; 4314 4315 return (0); 4316} /* ixgbe_sysctl_wol_enable */ 4317 4318/************************************************************************ 4319 * ixgbe_sysctl_wufc - Wake Up Filter Control 4320 * 4321 * Sysctl to enable/disable the types of packets that the 4322 * adapter will wake up on upon receipt. 4323 * Flags: 4324 * 0x1 - Link Status Change 4325 * 0x2 - Magic Packet 4326 * 0x4 - Direct Exact 4327 * 0x8 - Directed Multicast 4328 * 0x10 - Broadcast 4329 * 0x20 - ARP/IPv4 Request Packet 4330 * 0x40 - Direct IPv4 Packet 4331 * 0x80 - Direct IPv6 Packet 4332 * 4333 * Settings not listed above will cause the sysctl to return an error. 4334 ************************************************************************/ 4335static int 4336ixgbe_sysctl_wufc(SYSCTL_HANDLER_ARGS) 4337{ 4338 struct adapter *adapter = (struct adapter *)arg1; 4339 int error = 0; 4340 u32 new_wufc; 4341 4342 new_wufc = adapter->wufc; 4343 4344 error = sysctl_handle_int(oidp, &new_wufc, 0, req); 4345 if ((error) || (req->newptr == NULL)) 4346 return (error); 4347 if (new_wufc == adapter->wufc) 4348 return (0); 4349 4350 if (new_wufc & 0xffffff00) 4351 return (EINVAL); 4352 4353 new_wufc &= 0xff; 4354 new_wufc |= (0xffffff & adapter->wufc); 4355 adapter->wufc = new_wufc; 4356 4357 return (0); 4358} /* ixgbe_sysctl_wufc */ 4359 4360#ifdef IXGBE_DEBUG 4361/************************************************************************ 4362 * ixgbe_sysctl_print_rss_config 4363 ************************************************************************/ 4364static int 4365ixgbe_sysctl_print_rss_config(SYSCTL_HANDLER_ARGS) 4366{ 4367 struct adapter *adapter = (struct adapter *)arg1; 4368 struct ixgbe_hw *hw = &adapter->hw; 4369 device_t dev = adapter->dev; 4370 struct sbuf *buf; 4371 int error = 0, reta_size; 4372 u32 reg; 4373 4374 buf = sbuf_new_for_sysctl(NULL, NULL, 128, req); 4375 if (!buf) { 4376 device_printf(dev, "Could not allocate sbuf for output.\n"); 4377 return (ENOMEM); 4378 } 4379 4380 // TODO: use sbufs to make a string to print out 4381 /* Set multiplier for RETA setup and table size based on MAC */ 4382 switch (adapter->hw.mac.type) { 4383 case ixgbe_mac_X550: 4384 case ixgbe_mac_X550EM_x: 4385 case ixgbe_mac_X550EM_a: 4386 reta_size = 128; 4387 break; 4388 default: 4389 reta_size = 32; 4390 break; 4391 } 4392 4393 /* Print out the redirection table */ 4394 sbuf_cat(buf, "\n"); 4395 for (int i = 0; i < reta_size; i++) { 4396 if (i < 32) { 4397 reg = IXGBE_READ_REG(hw, IXGBE_RETA(i)); 4398 sbuf_printf(buf, "RETA(%2d): 0x%08x\n", i, reg); 4399 } else { 4400 reg = IXGBE_READ_REG(hw, IXGBE_ERETA(i - 32)); 4401 sbuf_printf(buf, "ERETA(%2d): 0x%08x\n", i - 32, reg); 4402 } 4403 } 4404 4405 // TODO: print more config 4406 4407 error = sbuf_finish(buf); 4408 if (error) 4409 device_printf(dev, "Error finishing sbuf: %d\n", error); 4410 4411 sbuf_delete(buf); 4412 4413 return (0); 4414} /* ixgbe_sysctl_print_rss_config */ 4415#endif /* IXGBE_DEBUG */ 4416 4417/************************************************************************ 4418 * ixgbe_sysctl_phy_temp - Retrieve temperature of PHY 4419 * 4420 * For X552/X557-AT devices using an external PHY 4421 ************************************************************************/ 4422static int 4423ixgbe_sysctl_phy_temp(SYSCTL_HANDLER_ARGS) 4424{ 4425 struct adapter *adapter = (struct adapter *)arg1; 4426 struct ixgbe_hw *hw = &adapter->hw; 4427 u16 reg; 4428 4429 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 4430 device_printf(adapter->dev, 4431 "Device has no supported external thermal sensor.\n"); 4432 return (ENODEV); 4433 } 4434 4435 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_CURRENT_TEMP, 4436 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 4437 device_printf(adapter->dev, 4438 "Error reading from PHY's current temperature register\n"); 4439 return (EAGAIN); 4440 } 4441 4442 /* Shift temp for output */ 4443 reg = reg >> 8; 4444 4445 return (sysctl_handle_int(oidp, NULL, reg, req)); 4446} /* ixgbe_sysctl_phy_temp */ 4447 4448/************************************************************************ 4449 * ixgbe_sysctl_phy_overtemp_occurred 4450 * 4451 * Reports (directly from the PHY) whether the current PHY 4452 * temperature is over the overtemp threshold. 4453 ************************************************************************/ 4454static int 4455ixgbe_sysctl_phy_overtemp_occurred(SYSCTL_HANDLER_ARGS) 4456{ 4457 struct adapter *adapter = (struct adapter *)arg1; 4458 struct ixgbe_hw *hw = &adapter->hw; 4459 u16 reg; 4460 4461 if (hw->device_id != IXGBE_DEV_ID_X550EM_X_10G_T) { 4462 device_printf(adapter->dev, 4463 "Device has no supported external thermal sensor.\n"); 4464 return (ENODEV); 4465 } 4466 4467 if (hw->phy.ops.read_reg(hw, IXGBE_PHY_OVERTEMP_STATUS, 4468 IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, ®)) { 4469 device_printf(adapter->dev, 4470 "Error reading from PHY's temperature status register\n"); 4471 return (EAGAIN); 4472 } 4473 4474 /* Get occurrence bit */ 4475 reg = !!(reg & 0x4000); 4476 4477 return (sysctl_handle_int(oidp, 0, reg, req)); 4478} /* ixgbe_sysctl_phy_overtemp_occurred */ 4479 4480/************************************************************************ 4481 * ixgbe_sysctl_eee_state 4482 * 4483 * Sysctl to set EEE power saving feature 4484 * Values: 4485 * 0 - disable EEE 4486 * 1 - enable EEE 4487 * (none) - get current device EEE state 4488 ************************************************************************/ 4489static int 4490ixgbe_sysctl_eee_state(SYSCTL_HANDLER_ARGS) 4491{ 4492 struct adapter *adapter = (struct adapter *)arg1; 4493 device_t dev = adapter->dev; 4494 int curr_eee, new_eee, error = 0; 4495 s32 retval; 4496 4497 curr_eee = new_eee = !!(adapter->feat_en & IXGBE_FEATURE_EEE); 4498 4499 error = sysctl_handle_int(oidp, &new_eee, 0, req); 4500 if ((error) || (req->newptr == NULL)) 4501 return (error); 4502 4503 /* Nothing to do */ 4504 if (new_eee == curr_eee) 4505 return (0); 4506 4507 /* Not supported */ 4508 if (!(adapter->feat_cap & IXGBE_FEATURE_EEE)) 4509 return (EINVAL); 4510 4511 /* Bounds checking */ 4512 if ((new_eee < 0) || (new_eee > 1)) 4513 return (EINVAL); 4514 4515 retval = adapter->hw.mac.ops.setup_eee(&adapter->hw, new_eee); 4516 if (retval) { 4517 device_printf(dev, "Error in EEE setup: 0x%08X\n", retval); 4518 return (EINVAL); 4519 } 4520 4521 /* Restart auto-neg */ 4522 ixgbe_init(adapter); 4523 4524 device_printf(dev, "New EEE state: %d\n", new_eee); 4525 4526 /* Cache new value */ 4527 if (new_eee) 4528 adapter->feat_en |= IXGBE_FEATURE_EEE; 4529 else 4530 adapter->feat_en &= ~IXGBE_FEATURE_EEE; 4531 4532 return (error); 4533} /* ixgbe_sysctl_eee_state */ 4534 4535/************************************************************************ 4536 * ixgbe_init_device_features 4537 ************************************************************************/ 4538static void 4539ixgbe_init_device_features(struct adapter *adapter) 4540{ 4541 adapter->feat_cap = IXGBE_FEATURE_NETMAP 4542 | IXGBE_FEATURE_RSS 4543 | IXGBE_FEATURE_MSI 4544 | IXGBE_FEATURE_MSIX 4545 | IXGBE_FEATURE_LEGACY_IRQ 4546 | IXGBE_FEATURE_LEGACY_TX; 4547 4548 /* Set capabilities first... */ 4549 switch (adapter->hw.mac.type) { 4550 case ixgbe_mac_82598EB: 4551 if (adapter->hw.device_id == IXGBE_DEV_ID_82598AT) 4552 adapter->feat_cap |= IXGBE_FEATURE_FAN_FAIL; 4553 break; 4554 case ixgbe_mac_X540: 4555 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 4556 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 4557 if ((adapter->hw.device_id == IXGBE_DEV_ID_X540_BYPASS) && 4558 (adapter->hw.bus.func == 0)) 4559 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 4560 break; 4561 case ixgbe_mac_X550: 4562 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 4563 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 4564 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 4565 break; 4566 case ixgbe_mac_X550EM_x: 4567 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 4568 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 4569 if (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_X_KR) 4570 adapter->feat_cap |= IXGBE_FEATURE_EEE; 4571 break; 4572 case ixgbe_mac_X550EM_a: 4573 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 4574 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 4575 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 4576 if ((adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T) || 4577 (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L)) { 4578 adapter->feat_cap |= IXGBE_FEATURE_TEMP_SENSOR; 4579 adapter->feat_cap |= IXGBE_FEATURE_EEE; 4580 } 4581 break; 4582 case ixgbe_mac_82599EB: 4583 adapter->feat_cap |= IXGBE_FEATURE_SRIOV; 4584 adapter->feat_cap |= IXGBE_FEATURE_FDIR; 4585 if ((adapter->hw.device_id == IXGBE_DEV_ID_82599_BYPASS) && 4586 (adapter->hw.bus.func == 0)) 4587 adapter->feat_cap |= IXGBE_FEATURE_BYPASS; 4588 if (adapter->hw.device_id == IXGBE_DEV_ID_82599_QSFP_SF_QP) 4589 adapter->feat_cap &= ~IXGBE_FEATURE_LEGACY_IRQ; 4590 break; 4591 default: 4592 break; 4593 } 4594 4595 /* Enabled by default... */ 4596 /* Fan failure detection */ 4597 if (adapter->feat_cap & IXGBE_FEATURE_FAN_FAIL) 4598 adapter->feat_en |= IXGBE_FEATURE_FAN_FAIL; 4599 /* Netmap */ 4600 if (adapter->feat_cap & IXGBE_FEATURE_NETMAP) 4601 adapter->feat_en |= IXGBE_FEATURE_NETMAP; 4602 /* EEE */ 4603 if (adapter->feat_cap & IXGBE_FEATURE_EEE) 4604 adapter->feat_en |= IXGBE_FEATURE_EEE; 4605 /* Thermal Sensor */ 4606 if (adapter->feat_cap & IXGBE_FEATURE_TEMP_SENSOR) 4607 adapter->feat_en |= IXGBE_FEATURE_TEMP_SENSOR; 4608 4609 /* Enabled via global sysctl... */ 4610 /* Flow Director */ 4611 if (ixgbe_enable_fdir) { 4612 if (adapter->feat_cap & IXGBE_FEATURE_FDIR) 4613 adapter->feat_en |= IXGBE_FEATURE_FDIR; 4614 else 4615 device_printf(adapter->dev, "Device does not support Flow Director. Leaving disabled."); 4616 } 4617 /* Legacy (single queue) transmit */ 4618 if ((adapter->feat_cap & IXGBE_FEATURE_LEGACY_TX) && 4619 ixgbe_enable_legacy_tx) 4620 adapter->feat_en |= IXGBE_FEATURE_LEGACY_TX; 4621 /* 4622 * Message Signal Interrupts - Extended (MSI-X) 4623 * Normal MSI is only enabled if MSI-X calls fail. 4624 */ 4625 if (!ixgbe_enable_msix) 4626 adapter->feat_cap &= ~IXGBE_FEATURE_MSIX; 4627 /* Receive-Side Scaling (RSS) */ 4628 if ((adapter->feat_cap & IXGBE_FEATURE_RSS) && ixgbe_enable_rss) 4629 adapter->feat_en |= IXGBE_FEATURE_RSS; 4630 4631 /* Disable features with unmet dependencies... */ 4632 /* No MSI-X */ 4633 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) { 4634 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 4635 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 4636 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 4637 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 4638 } 4639} /* ixgbe_init_device_features */ 4640 4641/************************************************************************ 4642 * ixgbe_probe - Device identification routine 4643 * 4644 * Determines if the driver should be loaded on 4645 * adapter based on its PCI vendor/device ID. 4646 * 4647 * return BUS_PROBE_DEFAULT on success, positive on failure 4648 ************************************************************************/ 4649static int 4650ixgbe_probe(device_t dev) 4651{ 4652 ixgbe_vendor_info_t *ent; 4653 4654 u16 pci_vendor_id = 0; 4655 u16 pci_device_id = 0; 4656 u16 pci_subvendor_id = 0; 4657 u16 pci_subdevice_id = 0; 4658 char adapter_name[256]; 4659 4660 INIT_DEBUGOUT("ixgbe_probe: begin"); 4661 4662 pci_vendor_id = pci_get_vendor(dev); 4663 if (pci_vendor_id != IXGBE_INTEL_VENDOR_ID) 4664 return (ENXIO); 4665 4666 pci_device_id = pci_get_device(dev); 4667 pci_subvendor_id = pci_get_subvendor(dev); 4668 pci_subdevice_id = pci_get_subdevice(dev); 4669 4670 ent = ixgbe_vendor_info_array; 4671 while (ent->vendor_id != 0) { 4672 if ((pci_vendor_id == ent->vendor_id) && 4673 (pci_device_id == ent->device_id) && 4674 ((pci_subvendor_id == ent->subvendor_id) || 4675 (ent->subvendor_id == 0)) && 4676 ((pci_subdevice_id == ent->subdevice_id) || 4677 (ent->subdevice_id == 0))) { 4678 sprintf(adapter_name, "%s, Version - %s", 4679 ixgbe_strings[ent->index], 4680 ixgbe_driver_version); 4681 device_set_desc_copy(dev, adapter_name); 4682 ++ixgbe_total_ports; 4683 return (BUS_PROBE_DEFAULT); 4684 } 4685 ent++; 4686 } 4687 4688 return (ENXIO); 4689} /* ixgbe_probe */ 4690 4691 4692/************************************************************************ 4693 * ixgbe_ioctl - Ioctl entry point 4694 * 4695 * Called when the user wants to configure the interface. 4696 * 4697 * return 0 on success, positive on failure 4698 ************************************************************************/ 4699static int 4700ixgbe_ioctl(struct ifnet *ifp, u_long command, caddr_t data) 4701{ 4702 struct adapter *adapter = ifp->if_softc; 4703 struct ifreq *ifr = (struct ifreq *) data; 4704#if defined(INET) || defined(INET6) 4705 struct ifaddr *ifa = (struct ifaddr *)data; 4706#endif 4707 int error = 0; 4708 bool avoid_reset = FALSE; 4709 4710 switch (command) { 4711 case SIOCSIFADDR: 4712#ifdef INET 4713 if (ifa->ifa_addr->sa_family == AF_INET) 4714 avoid_reset = TRUE; 4715#endif 4716#ifdef INET6 4717 if (ifa->ifa_addr->sa_family == AF_INET6) 4718 avoid_reset = TRUE; 4719#endif 4720 /* 4721 * Calling init results in link renegotiation, 4722 * so we avoid doing it when possible. 4723 */ 4724 if (avoid_reset) { 4725 ifp->if_flags |= IFF_UP; 4726 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 4727 ixgbe_init(adapter); 4728#ifdef INET 4729 if (!(ifp->if_flags & IFF_NOARP)) 4730 arp_ifinit(ifp, ifa); 4731#endif 4732 } else 4733 error = ether_ioctl(ifp, command, data); 4734 break; 4735 case SIOCSIFMTU: 4736 IOCTL_DEBUGOUT("ioctl: SIOCSIFMTU (Set Interface MTU)"); 4737 if (ifr->ifr_mtu > IXGBE_MAX_MTU) { 4738 error = EINVAL; 4739 } else { 4740 IXGBE_CORE_LOCK(adapter); 4741 ifp->if_mtu = ifr->ifr_mtu; 4742 adapter->max_frame_size = ifp->if_mtu + IXGBE_MTU_HDR; 4743 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 4744 ixgbe_init_locked(adapter); 4745 ixgbe_recalculate_max_frame(adapter); 4746 IXGBE_CORE_UNLOCK(adapter); 4747 } 4748 break; 4749 case SIOCSIFFLAGS: 4750 IOCTL_DEBUGOUT("ioctl: SIOCSIFFLAGS (Set Interface Flags)"); 4751 IXGBE_CORE_LOCK(adapter); 4752 if (ifp->if_flags & IFF_UP) { 4753 if ((ifp->if_drv_flags & IFF_DRV_RUNNING)) { 4754 if ((ifp->if_flags ^ adapter->if_flags) & 4755 (IFF_PROMISC | IFF_ALLMULTI)) { 4756 ixgbe_set_promisc(adapter); 4757 } 4758 } else 4759 ixgbe_init_locked(adapter); 4760 } else 4761 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 4762 ixgbe_stop(adapter); 4763 adapter->if_flags = ifp->if_flags; 4764 IXGBE_CORE_UNLOCK(adapter); 4765 break; 4766 case SIOCADDMULTI: 4767 case SIOCDELMULTI: 4768 IOCTL_DEBUGOUT("ioctl: SIOC(ADD|DEL)MULTI"); 4769 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 4770 IXGBE_CORE_LOCK(adapter); 4771 ixgbe_disable_intr(adapter); 4772 ixgbe_set_multi(adapter); 4773 ixgbe_enable_intr(adapter); 4774 IXGBE_CORE_UNLOCK(adapter); 4775 } 4776 break; 4777 case SIOCSIFMEDIA: 4778 case SIOCGIFMEDIA: 4779 IOCTL_DEBUGOUT("ioctl: SIOCxIFMEDIA (Get/Set Interface Media)"); 4780 error = ifmedia_ioctl(ifp, ifr, &adapter->media, command); 4781 break; 4782 case SIOCSIFCAP: 4783 { 4784 IOCTL_DEBUGOUT("ioctl: SIOCSIFCAP (Set Capabilities)"); 4785 4786 int mask = ifr->ifr_reqcap ^ ifp->if_capenable; 4787 4788 if (!mask) 4789 break; 4790 4791 /* HW cannot turn these on/off separately */ 4792 if (mask & (IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6)) { 4793 ifp->if_capenable ^= IFCAP_RXCSUM; 4794 ifp->if_capenable ^= IFCAP_RXCSUM_IPV6; 4795 } 4796 if (mask & IFCAP_TXCSUM) 4797 ifp->if_capenable ^= IFCAP_TXCSUM; 4798 if (mask & IFCAP_TXCSUM_IPV6) 4799 ifp->if_capenable ^= IFCAP_TXCSUM_IPV6; 4800 if (mask & IFCAP_TSO4) 4801 ifp->if_capenable ^= IFCAP_TSO4; 4802 if (mask & IFCAP_TSO6) 4803 ifp->if_capenable ^= IFCAP_TSO6; 4804 if (mask & IFCAP_LRO) 4805 ifp->if_capenable ^= IFCAP_LRO; 4806 if (mask & IFCAP_VLAN_HWTAGGING) 4807 ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING; 4808 if (mask & IFCAP_VLAN_HWFILTER) 4809 ifp->if_capenable ^= IFCAP_VLAN_HWFILTER; 4810 if (mask & IFCAP_VLAN_HWTSO) 4811 ifp->if_capenable ^= IFCAP_VLAN_HWTSO; 4812 4813 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 4814 IXGBE_CORE_LOCK(adapter); 4815 ixgbe_init_locked(adapter); 4816 IXGBE_CORE_UNLOCK(adapter); 4817 } 4818 VLAN_CAPABILITIES(ifp); 4819 break; 4820 } 4821#if __FreeBSD_version >= 1100036 4822 case SIOCGI2C: 4823 { 4824 struct ixgbe_hw *hw = &adapter->hw; 4825 struct ifi2creq i2c; 4826 int i; 4827 4828 IOCTL_DEBUGOUT("ioctl: SIOCGI2C (Get I2C Data)"); 4829 error = copyin(ifr_data_get_ptr(ifr), &i2c, sizeof(i2c)); 4830 if (error != 0) 4831 break; 4832 if (i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2) { 4833 error = EINVAL; 4834 break; 4835 } 4836 if (i2c.len > sizeof(i2c.data)) { 4837 error = EINVAL; 4838 break; 4839 } 4840 4841 for (i = 0; i < i2c.len; i++) 4842 hw->phy.ops.read_i2c_byte(hw, i2c.offset + i, 4843 i2c.dev_addr, &i2c.data[i]); 4844 error = copyout(&i2c, ifr_data_get_ptr(ifr), sizeof(i2c)); 4845 break; 4846 } 4847#endif 4848 default: 4849 IOCTL_DEBUGOUT1("ioctl: UNKNOWN (0x%X)\n", (int)command); 4850 error = ether_ioctl(ifp, command, data); 4851 break; 4852 } 4853 4854 return (error); 4855} /* ixgbe_ioctl */ 4856 4857/************************************************************************ 4858 * ixgbe_check_fan_failure 4859 ************************************************************************/ 4860static void 4861ixgbe_check_fan_failure(struct adapter *adapter, u32 reg, bool in_interrupt) 4862{ 4863 u32 mask; 4864 4865 mask = (in_interrupt) ? IXGBE_EICR_GPI_SDP1_BY_MAC(&adapter->hw) : 4866 IXGBE_ESDP_SDP1; 4867 4868 if (reg & mask) 4869 device_printf(adapter->dev, "\nCRITICAL: FAN FAILURE!! REPLACE IMMEDIATELY!!\n"); 4870} /* ixgbe_check_fan_failure */ 4871 4872/************************************************************************ 4873 * ixgbe_handle_que 4874 ************************************************************************/ 4875static void 4876ixgbe_handle_que(void *context, int pending) 4877{ 4878 struct ix_queue *que = context; 4879 struct adapter *adapter = que->adapter; 4880 struct tx_ring *txr = que->txr; 4881 struct ifnet *ifp = adapter->ifp; 4882 4883 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 4884 ixgbe_rxeof(que); 4885 IXGBE_TX_LOCK(txr); 4886 ixgbe_txeof(txr); 4887 if (!ixgbe_ring_empty(ifp, txr->br)) 4888 ixgbe_start_locked(ifp, txr); 4889 IXGBE_TX_UNLOCK(txr); 4890 } 4891 4892 /* Re-enable this interrupt */ 4893 if (que->res != NULL) 4894 ixgbe_enable_queue(adapter, que->msix); 4895 else 4896 ixgbe_enable_intr(adapter); 4897 4898 return; 4899} /* ixgbe_handle_que */ 4900 4901 4902 4903/************************************************************************ 4904 * ixgbe_allocate_legacy - Setup the Legacy or MSI Interrupt handler 4905 ************************************************************************/ 4906static int 4907ixgbe_allocate_legacy(struct adapter *adapter) 4908{ 4909 device_t dev = adapter->dev; 4910 struct ix_queue *que = adapter->queues; 4911 struct tx_ring *txr = adapter->tx_rings; 4912 int error; 4913 4914 /* We allocate a single interrupt resource */ 4915 adapter->res = bus_alloc_resource_any(dev, SYS_RES_IRQ, 4916 &adapter->link_rid, RF_SHAREABLE | RF_ACTIVE); 4917 if (adapter->res == NULL) { 4918 device_printf(dev, 4919 "Unable to allocate bus resource: interrupt\n"); 4920 return (ENXIO); 4921 } 4922 4923 /* 4924 * Try allocating a fast interrupt and the associated deferred 4925 * processing contexts. 4926 */ 4927 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 4928 TASK_INIT(&txr->txq_task, 0, ixgbe_deferred_mq_start, txr); 4929 TASK_INIT(&que->que_task, 0, ixgbe_handle_que, que); 4930 que->tq = taskqueue_create_fast("ixgbe_que", M_NOWAIT, 4931 taskqueue_thread_enqueue, &que->tq); 4932 taskqueue_start_threads(&que->tq, 1, PI_NET, "%s ixq", 4933 device_get_nameunit(adapter->dev)); 4934 4935 /* Tasklets for Link, SFP and Multispeed Fiber */ 4936 TASK_INIT(&adapter->link_task, 0, ixgbe_handle_link, adapter); 4937 TASK_INIT(&adapter->mod_task, 0, ixgbe_handle_mod, adapter); 4938 TASK_INIT(&adapter->msf_task, 0, ixgbe_handle_msf, adapter); 4939 TASK_INIT(&adapter->phy_task, 0, ixgbe_handle_phy, adapter); 4940 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 4941 TASK_INIT(&adapter->fdir_task, 0, ixgbe_reinit_fdir, adapter); 4942 adapter->tq = taskqueue_create_fast("ixgbe_link", M_NOWAIT, 4943 taskqueue_thread_enqueue, &adapter->tq); 4944 taskqueue_start_threads(&adapter->tq, 1, PI_NET, "%s linkq", 4945 device_get_nameunit(adapter->dev)); 4946 4947 if ((error = bus_setup_intr(dev, adapter->res, 4948 INTR_TYPE_NET | INTR_MPSAFE, NULL, ixgbe_legacy_irq, que, 4949 &adapter->tag)) != 0) { 4950 device_printf(dev, 4951 "Failed to register fast interrupt handler: %d\n", error); 4952 taskqueue_free(que->tq); 4953 taskqueue_free(adapter->tq); 4954 que->tq = NULL; 4955 adapter->tq = NULL; 4956 4957 return (error); 4958 } 4959 /* For simplicity in the handlers */ 4960 adapter->active_queues = IXGBE_EIMS_ENABLE_MASK; 4961 4962 return (0); 4963} /* ixgbe_allocate_legacy */ 4964 4965 4966/************************************************************************ 4967 * ixgbe_allocate_msix - Setup MSI-X Interrupt resources and handlers 4968 ************************************************************************/ 4969static int 4970ixgbe_allocate_msix(struct adapter *adapter) 4971{ 4972 device_t dev = adapter->dev; 4973 struct ix_queue *que = adapter->queues; 4974 struct tx_ring *txr = adapter->tx_rings; 4975 int error, rid, vector = 0; 4976 int cpu_id = 0; 4977 unsigned int rss_buckets = 0; 4978 cpuset_t cpu_mask; 4979 4980 /* 4981 * If we're doing RSS, the number of queues needs to 4982 * match the number of RSS buckets that are configured. 4983 * 4984 * + If there's more queues than RSS buckets, we'll end 4985 * up with queues that get no traffic. 4986 * 4987 * + If there's more RSS buckets than queues, we'll end 4988 * up having multiple RSS buckets map to the same queue, 4989 * so there'll be some contention. 4990 */ 4991 rss_buckets = rss_getnumbuckets(); 4992 if ((adapter->feat_en & IXGBE_FEATURE_RSS) && 4993 (adapter->num_queues != rss_buckets)) { 4994 device_printf(dev, "%s: number of queues (%d) != number of RSS buckets (%d); performance will be impacted.\n", 4995 __func__, adapter->num_queues, rss_buckets); 4996 } 4997 4998 for (int i = 0; i < adapter->num_queues; i++, vector++, que++, txr++) { 4999 rid = vector + 1; 5000 que->res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 5001 RF_SHAREABLE | RF_ACTIVE); 5002 if (que->res == NULL) { 5003 device_printf(dev, "Unable to allocate bus resource: que interrupt [%d]\n", 5004 vector); 5005 return (ENXIO); 5006 } 5007 /* Set the handler function */ 5008 error = bus_setup_intr(dev, que->res, 5009 INTR_TYPE_NET | INTR_MPSAFE, NULL, ixgbe_msix_que, que, 5010 &que->tag); 5011 if (error) { 5012 que->res = NULL; 5013 device_printf(dev, "Failed to register QUE handler"); 5014 return (error); 5015 } 5016#if __FreeBSD_version >= 800504 5017 bus_describe_intr(dev, que->res, que->tag, "q%d", i); 5018#endif 5019 que->msix = vector; 5020 adapter->active_queues |= (u64)(1 << que->msix); 5021 5022 if (adapter->feat_en & IXGBE_FEATURE_RSS) { 5023 /* 5024 * The queue ID is used as the RSS layer bucket ID. 5025 * We look up the queue ID -> RSS CPU ID and select 5026 * that. 5027 */ 5028 cpu_id = rss_getcpu(i % rss_buckets); 5029 CPU_SETOF(cpu_id, &cpu_mask); 5030 } else { 5031 /* 5032 * Bind the MSI-X vector, and thus the 5033 * rings to the corresponding CPU. 5034 * 5035 * This just happens to match the default RSS 5036 * round-robin bucket -> queue -> CPU allocation. 5037 */ 5038 if (adapter->num_queues > 1) 5039 cpu_id = i; 5040 } 5041 if (adapter->num_queues > 1) 5042 bus_bind_intr(dev, que->res, cpu_id); 5043#ifdef IXGBE_DEBUG 5044 if (adapter->feat_en & IXGBE_FEATURE_RSS) 5045 device_printf(dev, "Bound RSS bucket %d to CPU %d\n", i, 5046 cpu_id); 5047 else 5048 device_printf(dev, "Bound queue %d to cpu %d\n", i, 5049 cpu_id); 5050#endif /* IXGBE_DEBUG */ 5051 5052 5053 if (!(adapter->feat_en & IXGBE_FEATURE_LEGACY_TX)) 5054 TASK_INIT(&txr->txq_task, 0, ixgbe_deferred_mq_start, 5055 txr); 5056 TASK_INIT(&que->que_task, 0, ixgbe_handle_que, que); 5057 que->tq = taskqueue_create_fast("ixgbe_que", M_NOWAIT, 5058 taskqueue_thread_enqueue, &que->tq); 5059#if __FreeBSD_version < 1100000 5060 taskqueue_start_threads(&que->tq, 1, PI_NET, "%s:q%d", 5061 device_get_nameunit(adapter->dev), i); 5062#else 5063 if (adapter->feat_en & IXGBE_FEATURE_RSS) 5064 taskqueue_start_threads_cpuset(&que->tq, 1, PI_NET, 5065 &cpu_mask, "%s (bucket %d)", 5066 device_get_nameunit(adapter->dev), cpu_id); 5067 else 5068 taskqueue_start_threads_cpuset(&que->tq, 1, PI_NET, 5069 NULL, "%s:q%d", device_get_nameunit(adapter->dev), 5070 i); 5071#endif 5072 } 5073 5074 /* and Link */ 5075 adapter->link_rid = vector + 1; 5076 adapter->res = bus_alloc_resource_any(dev, SYS_RES_IRQ, 5077 &adapter->link_rid, RF_SHAREABLE | RF_ACTIVE); 5078 if (!adapter->res) { 5079 device_printf(dev, 5080 "Unable to allocate bus resource: Link interrupt [%d]\n", 5081 adapter->link_rid); 5082 return (ENXIO); 5083 } 5084 /* Set the link handler function */ 5085 error = bus_setup_intr(dev, adapter->res, INTR_TYPE_NET | INTR_MPSAFE, 5086 NULL, ixgbe_msix_link, adapter, &adapter->tag); 5087 if (error) { 5088 adapter->res = NULL; 5089 device_printf(dev, "Failed to register LINK handler"); 5090 return (error); 5091 } 5092#if __FreeBSD_version >= 800504 5093 bus_describe_intr(dev, adapter->res, adapter->tag, "link"); 5094#endif 5095 adapter->vector = vector; 5096 /* Tasklets for Link, SFP and Multispeed Fiber */ 5097 TASK_INIT(&adapter->link_task, 0, ixgbe_handle_link, adapter); 5098 TASK_INIT(&adapter->mod_task, 0, ixgbe_handle_mod, adapter); 5099 TASK_INIT(&adapter->msf_task, 0, ixgbe_handle_msf, adapter); 5100 if (adapter->feat_cap & IXGBE_FEATURE_SRIOV) 5101 TASK_INIT(&adapter->mbx_task, 0, ixgbe_handle_mbx, adapter); 5102 TASK_INIT(&adapter->phy_task, 0, ixgbe_handle_phy, adapter); 5103 if (adapter->feat_en & IXGBE_FEATURE_FDIR) 5104 TASK_INIT(&adapter->fdir_task, 0, ixgbe_reinit_fdir, adapter); 5105 adapter->tq = taskqueue_create_fast("ixgbe_link", M_NOWAIT, 5106 taskqueue_thread_enqueue, &adapter->tq); 5107 taskqueue_start_threads(&adapter->tq, 1, PI_NET, "%s linkq", 5108 device_get_nameunit(adapter->dev)); 5109 5110 return (0); 5111} /* ixgbe_allocate_msix */ 5112 5113/************************************************************************ 5114 * ixgbe_configure_interrupts 5115 * 5116 * Setup MSI-X, MSI, or legacy interrupts (in that order). 5117 * This will also depend on user settings. 5118 ************************************************************************/ 5119static int 5120ixgbe_configure_interrupts(struct adapter *adapter) 5121{ 5122 device_t dev = adapter->dev; 5123 int rid, want, queues, msgs; 5124 5125 /* Default to 1 queue if MSI-X setup fails */ 5126 adapter->num_queues = 1; 5127 5128 /* Override by tuneable */ 5129 if (!(adapter->feat_cap & IXGBE_FEATURE_MSIX)) 5130 goto msi; 5131 5132 /* First try MSI-X */ 5133 msgs = pci_msix_count(dev); 5134 if (msgs == 0) 5135 goto msi; 5136 rid = PCIR_BAR(MSIX_82598_BAR); 5137 adapter->msix_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 5138 RF_ACTIVE); 5139 if (adapter->msix_mem == NULL) { 5140 rid += 4; /* 82599 maps in higher BAR */ 5141 adapter->msix_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 5142 &rid, RF_ACTIVE); 5143 } 5144 if (adapter->msix_mem == NULL) { 5145 /* May not be enabled */ 5146 device_printf(adapter->dev, "Unable to map MSI-X table.\n"); 5147 goto msi; 5148 } 5149 5150 /* Figure out a reasonable auto config value */ 5151 queues = min(mp_ncpus, msgs - 1); 5152 /* If we're doing RSS, clamp at the number of RSS buckets */ 5153 if (adapter->feat_en & IXGBE_FEATURE_RSS) 5154 queues = min(queues, rss_getnumbuckets()); 5155 if (ixgbe_num_queues > queues) { 5156 device_printf(adapter->dev, "ixgbe_num_queues (%d) is too large, using reduced amount (%d).\n", ixgbe_num_queues, queues); 5157 ixgbe_num_queues = queues; 5158 } 5159 5160 if (ixgbe_num_queues != 0) 5161 queues = ixgbe_num_queues; 5162 /* Set max queues to 8 when autoconfiguring */ 5163 else 5164 queues = min(queues, 8); 5165 5166 /* reflect correct sysctl value */ 5167 ixgbe_num_queues = queues; 5168 5169 /* 5170 * Want one vector (RX/TX pair) per queue 5171 * plus an additional for Link. 5172 */ 5173 want = queues + 1; 5174 if (msgs >= want) 5175 msgs = want; 5176 else { 5177 device_printf(adapter->dev, "MSI-X Configuration Problem, %d vectors but %d queues wanted!\n", 5178 msgs, want); 5179 goto msi; 5180 } 5181 if ((pci_alloc_msix(dev, &msgs) == 0) && (msgs == want)) { 5182 device_printf(adapter->dev, 5183 "Using MSI-X interrupts with %d vectors\n", msgs); 5184 adapter->num_queues = queues; 5185 adapter->feat_en |= IXGBE_FEATURE_MSIX; 5186 return (0); 5187 } 5188 /* 5189 * MSI-X allocation failed or provided us with 5190 * less vectors than needed. Free MSI-X resources 5191 * and we'll try enabling MSI. 5192 */ 5193 pci_release_msi(dev); 5194 5195msi: 5196 /* Without MSI-X, some features are no longer supported */ 5197 adapter->feat_cap &= ~IXGBE_FEATURE_RSS; 5198 adapter->feat_en &= ~IXGBE_FEATURE_RSS; 5199 adapter->feat_cap &= ~IXGBE_FEATURE_SRIOV; 5200 adapter->feat_en &= ~IXGBE_FEATURE_SRIOV; 5201 5202 if (adapter->msix_mem != NULL) { 5203 bus_release_resource(dev, SYS_RES_MEMORY, rid, 5204 adapter->msix_mem); 5205 adapter->msix_mem = NULL; 5206 } 5207 msgs = 1; 5208 if (pci_alloc_msi(dev, &msgs) == 0) { 5209 adapter->feat_en |= IXGBE_FEATURE_MSI; 5210 adapter->link_rid = 1; 5211 device_printf(adapter->dev, "Using an MSI interrupt\n"); 5212 return (0); 5213 } 5214 5215 if (!(adapter->feat_cap & IXGBE_FEATURE_LEGACY_IRQ)) { 5216 device_printf(adapter->dev, 5217 "Device does not support legacy interrupts.\n"); 5218 return 1; 5219 } 5220 5221 adapter->feat_en |= IXGBE_FEATURE_LEGACY_IRQ; 5222 adapter->link_rid = 0; 5223 device_printf(adapter->dev, "Using a Legacy interrupt\n"); 5224 5225 return (0); 5226} /* ixgbe_configure_interrupts */ 5227 5228 5229/************************************************************************ 5230 * ixgbe_handle_link - Tasklet for MSI-X Link interrupts 5231 * 5232 * Done outside of interrupt context since the driver might sleep 5233 ************************************************************************/ 5234static void 5235ixgbe_handle_link(void *context, int pending) 5236{ 5237 struct adapter *adapter = context; 5238 struct ixgbe_hw *hw = &adapter->hw; 5239 5240 ixgbe_check_link(hw, &adapter->link_speed, &adapter->link_up, 0); 5241 ixgbe_update_link_status(adapter); 5242 5243 /* Re-enable link interrupts */ 5244 IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_LSC); 5245} /* ixgbe_handle_link */ 5246 5247/************************************************************************ 5248 * ixgbe_rearm_queues 5249 ************************************************************************/ 5250static void 5251ixgbe_rearm_queues(struct adapter *adapter, u64 queues) 5252{ 5253 u32 mask; 5254 5255 switch (adapter->hw.mac.type) { 5256 case ixgbe_mac_82598EB: 5257 mask = (IXGBE_EIMS_RTX_QUEUE & queues); 5258 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask); 5259 break; 5260 case ixgbe_mac_82599EB: 5261 case ixgbe_mac_X540: 5262 case ixgbe_mac_X550: 5263 case ixgbe_mac_X550EM_x: 5264 case ixgbe_mac_X550EM_a: 5265 mask = (queues & 0xFFFFFFFF); 5266 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(0), mask); 5267 mask = (queues >> 32); 5268 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(1), mask); 5269 break; 5270 default: 5271 break; 5272 } 5273} /* ixgbe_rearm_queues */ 5274 5275