if_wpi.c revision 206358
1173362Sbenjsc/*- 2173362Sbenjsc * Copyright (c) 2006,2007 3173362Sbenjsc * Damien Bergamini <damien.bergamini@free.fr> 4173362Sbenjsc * Benjamin Close <Benjamin.Close@clearchain.com> 5173362Sbenjsc * 6173362Sbenjsc * Permission to use, copy, modify, and distribute this software for any 7173362Sbenjsc * purpose with or without fee is hereby granted, provided that the above 8173362Sbenjsc * copyright notice and this permission notice appear in all copies. 9173362Sbenjsc * 10173362Sbenjsc * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11173362Sbenjsc * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12173362Sbenjsc * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13173362Sbenjsc * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14173362Sbenjsc * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15173362Sbenjsc * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16173362Sbenjsc * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17173362Sbenjsc */ 18173362Sbenjsc 19173977Sbenjsc#define VERSION "20071127" 20173362Sbenjsc 21173362Sbenjsc#include <sys/cdefs.h> 22173362Sbenjsc__FBSDID("$FreeBSD: head/sys/dev/wpi/if_wpi.c 206358 2010-04-07 15:29:13Z rpaulo $"); 23173362Sbenjsc 24173362Sbenjsc/* 25173362Sbenjsc * Driver for Intel PRO/Wireless 3945ABG 802.11 network adapters. 26173362Sbenjsc * 27173362Sbenjsc * The 3945ABG network adapter doesn't use traditional hardware as 28173362Sbenjsc * many other adaptors do. Instead at run time the eeprom is set into a known 29173362Sbenjsc * state and told to load boot firmware. The boot firmware loads an init and a 30173362Sbenjsc * main binary firmware image into SRAM on the card via DMA. 31173362Sbenjsc * Once the firmware is loaded, the driver/hw then 32173362Sbenjsc * communicate by way of circular dma rings via the the SRAM to the firmware. 33173362Sbenjsc * 34173362Sbenjsc * There is 6 memory rings. 1 command ring, 1 rx data ring & 4 tx data rings. 35173362Sbenjsc * The 4 tx data rings allow for prioritization QoS. 36173362Sbenjsc * 37173362Sbenjsc * The rx data ring consists of 32 dma buffers. Two registers are used to 38173362Sbenjsc * indicate where in the ring the driver and the firmware are up to. The 39173362Sbenjsc * driver sets the initial read index (reg1) and the initial write index (reg2), 40173362Sbenjsc * the firmware updates the read index (reg1) on rx of a packet and fires an 41173362Sbenjsc * interrupt. The driver then processes the buffers starting at reg1 indicating 42173362Sbenjsc * to the firmware which buffers have been accessed by updating reg2. At the 43173362Sbenjsc * same time allocating new memory for the processed buffer. 44173362Sbenjsc * 45173362Sbenjsc * A similar thing happens with the tx rings. The difference is the firmware 46173362Sbenjsc * stop processing buffers once the queue is full and until confirmation 47173362Sbenjsc * of a successful transmition (tx_intr) has occurred. 48173362Sbenjsc * 49173362Sbenjsc * The command ring operates in the same manner as the tx queues. 50173362Sbenjsc * 51173362Sbenjsc * All communication direct to the card (ie eeprom) is classed as Stage1 52173362Sbenjsc * communication 53173362Sbenjsc * 54173362Sbenjsc * All communication via the firmware to the card is classed as State2. 55173362Sbenjsc * The firmware consists of 2 parts. A bootstrap firmware and a runtime 56173362Sbenjsc * firmware. The bootstrap firmware and runtime firmware are loaded 57173362Sbenjsc * from host memory via dma to the card then told to execute. From this point 58173362Sbenjsc * on the majority of communications between the driver and the card goes 59173362Sbenjsc * via the firmware. 60173362Sbenjsc */ 61173362Sbenjsc 62173362Sbenjsc#include <sys/param.h> 63173362Sbenjsc#include <sys/sysctl.h> 64173362Sbenjsc#include <sys/sockio.h> 65173362Sbenjsc#include <sys/mbuf.h> 66173362Sbenjsc#include <sys/kernel.h> 67173362Sbenjsc#include <sys/socket.h> 68173362Sbenjsc#include <sys/systm.h> 69173362Sbenjsc#include <sys/malloc.h> 70173362Sbenjsc#include <sys/queue.h> 71173362Sbenjsc#include <sys/taskqueue.h> 72173362Sbenjsc#include <sys/module.h> 73173362Sbenjsc#include <sys/bus.h> 74173362Sbenjsc#include <sys/endian.h> 75173362Sbenjsc#include <sys/linker.h> 76173362Sbenjsc#include <sys/firmware.h> 77173362Sbenjsc 78173362Sbenjsc#include <machine/bus.h> 79173362Sbenjsc#include <machine/resource.h> 80173362Sbenjsc#include <sys/rman.h> 81173362Sbenjsc 82173362Sbenjsc#include <dev/pci/pcireg.h> 83173362Sbenjsc#include <dev/pci/pcivar.h> 84173362Sbenjsc 85173362Sbenjsc#include <net/bpf.h> 86173362Sbenjsc#include <net/if.h> 87173362Sbenjsc#include <net/if_arp.h> 88173362Sbenjsc#include <net/ethernet.h> 89173362Sbenjsc#include <net/if_dl.h> 90173362Sbenjsc#include <net/if_media.h> 91173362Sbenjsc#include <net/if_types.h> 92173362Sbenjsc 93173362Sbenjsc#include <net80211/ieee80211_var.h> 94173362Sbenjsc#include <net80211/ieee80211_radiotap.h> 95173362Sbenjsc#include <net80211/ieee80211_regdomain.h> 96206358Srpaulo#include <net80211/ieee80211_ratectl.h> 97173362Sbenjsc 98173362Sbenjsc#include <netinet/in.h> 99173362Sbenjsc#include <netinet/in_systm.h> 100173362Sbenjsc#include <netinet/in_var.h> 101173362Sbenjsc#include <netinet/ip.h> 102173362Sbenjsc#include <netinet/if_ether.h> 103173362Sbenjsc 104173362Sbenjsc#include <dev/wpi/if_wpireg.h> 105173362Sbenjsc#include <dev/wpi/if_wpivar.h> 106173362Sbenjsc 107199037Sdougb#define WPI_DEBUG 108199037Sdougb 109173362Sbenjsc#ifdef WPI_DEBUG 110173362Sbenjsc#define DPRINTF(x) do { if (wpi_debug != 0) printf x; } while (0) 111173362Sbenjsc#define DPRINTFN(n, x) do { if (wpi_debug & n) printf x; } while (0) 112179957Sthompsa#define WPI_DEBUG_SET (wpi_debug != 0) 113173362Sbenjsc 114173362Sbenjscenum { 115173362Sbenjsc WPI_DEBUG_UNUSED = 0x00000001, /* Unused */ 116173362Sbenjsc WPI_DEBUG_HW = 0x00000002, /* Stage 1 (eeprom) debugging */ 117173362Sbenjsc WPI_DEBUG_TX = 0x00000004, /* Stage 2 TX intrp debugging*/ 118173362Sbenjsc WPI_DEBUG_RX = 0x00000008, /* Stage 2 RX intrp debugging */ 119173362Sbenjsc WPI_DEBUG_CMD = 0x00000010, /* Stage 2 CMD intrp debugging*/ 120173362Sbenjsc WPI_DEBUG_FIRMWARE = 0x00000020, /* firmware(9) loading debug */ 121173362Sbenjsc WPI_DEBUG_DMA = 0x00000040, /* DMA (de)allocations/syncs */ 122173362Sbenjsc WPI_DEBUG_SCANNING = 0x00000080, /* Stage 2 Scanning debugging */ 123173362Sbenjsc WPI_DEBUG_NOTIFY = 0x00000100, /* State 2 Noftif intr debug */ 124173362Sbenjsc WPI_DEBUG_TEMP = 0x00000200, /* TXPower/Temp Calibration */ 125173362Sbenjsc WPI_DEBUG_OPS = 0x00000400, /* wpi_ops taskq debug */ 126173362Sbenjsc WPI_DEBUG_WATCHDOG = 0x00000800, /* Watch dog debug */ 127173362Sbenjsc WPI_DEBUG_ANY = 0xffffffff 128173362Sbenjsc}; 129173362Sbenjsc 130199037Sdougbstatic int wpi_debug = 0; 131173362SbenjscSYSCTL_INT(_debug, OID_AUTO, wpi, CTLFLAG_RW, &wpi_debug, 0, "wpi debug level"); 132179957SthompsaTUNABLE_INT("debug.wpi", &wpi_debug); 133173362Sbenjsc 134173362Sbenjsc#else 135173362Sbenjsc#define DPRINTF(x) 136173362Sbenjsc#define DPRINTFN(n, x) 137179957Sthompsa#define WPI_DEBUG_SET 0 138173362Sbenjsc#endif 139173362Sbenjsc 140173362Sbenjscstruct wpi_ident { 141173362Sbenjsc uint16_t vendor; 142173362Sbenjsc uint16_t device; 143173362Sbenjsc uint16_t subdevice; 144173362Sbenjsc const char *name; 145173362Sbenjsc}; 146173362Sbenjsc 147173362Sbenjscstatic const struct wpi_ident wpi_ident_table[] = { 148173362Sbenjsc /* The below entries support ABG regardless of the subid */ 149173362Sbenjsc { 0x8086, 0x4222, 0x0, "Intel(R) PRO/Wireless 3945ABG" }, 150173362Sbenjsc { 0x8086, 0x4227, 0x0, "Intel(R) PRO/Wireless 3945ABG" }, 151173362Sbenjsc /* The below entries only support BG */ 152182127Sbenjsc { 0x8086, 0x4222, 0x1005, "Intel(R) PRO/Wireless 3945BG" }, 153182127Sbenjsc { 0x8086, 0x4222, 0x1034, "Intel(R) PRO/Wireless 3945BG" }, 154182127Sbenjsc { 0x8086, 0x4227, 0x1014, "Intel(R) PRO/Wireless 3945BG" }, 155182127Sbenjsc { 0x8086, 0x4222, 0x1044, "Intel(R) PRO/Wireless 3945BG" }, 156173362Sbenjsc { 0, 0, 0, NULL } 157173362Sbenjsc}; 158173362Sbenjsc 159178354Ssamstatic struct ieee80211vap *wpi_vap_create(struct ieee80211com *, 160178354Ssam const char name[IFNAMSIZ], int unit, int opmode, 161178354Ssam int flags, const uint8_t bssid[IEEE80211_ADDR_LEN], 162178354Ssam const uint8_t mac[IEEE80211_ADDR_LEN]); 163178354Ssamstatic void wpi_vap_delete(struct ieee80211vap *); 164173362Sbenjscstatic int wpi_dma_contig_alloc(struct wpi_softc *, struct wpi_dma_info *, 165173362Sbenjsc void **, bus_size_t, bus_size_t, int); 166173362Sbenjscstatic void wpi_dma_contig_free(struct wpi_dma_info *); 167173362Sbenjscstatic void wpi_dma_map_addr(void *, bus_dma_segment_t *, int, int); 168173362Sbenjscstatic int wpi_alloc_shared(struct wpi_softc *); 169173362Sbenjscstatic void wpi_free_shared(struct wpi_softc *); 170173362Sbenjscstatic int wpi_alloc_rx_ring(struct wpi_softc *, struct wpi_rx_ring *); 171173362Sbenjscstatic void wpi_reset_rx_ring(struct wpi_softc *, struct wpi_rx_ring *); 172173362Sbenjscstatic void wpi_free_rx_ring(struct wpi_softc *, struct wpi_rx_ring *); 173173362Sbenjscstatic int wpi_alloc_tx_ring(struct wpi_softc *, struct wpi_tx_ring *, 174173362Sbenjsc int, int); 175173362Sbenjscstatic void wpi_reset_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 176173362Sbenjscstatic void wpi_free_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 177178354Ssamstatic int wpi_newstate(struct ieee80211vap *, enum ieee80211_state, int); 178173362Sbenjscstatic void wpi_mem_lock(struct wpi_softc *); 179173362Sbenjscstatic void wpi_mem_unlock(struct wpi_softc *); 180173362Sbenjscstatic uint32_t wpi_mem_read(struct wpi_softc *, uint16_t); 181173362Sbenjscstatic void wpi_mem_write(struct wpi_softc *, uint16_t, uint32_t); 182173362Sbenjscstatic void wpi_mem_write_region_4(struct wpi_softc *, uint16_t, 183173362Sbenjsc const uint32_t *, int); 184173362Sbenjscstatic uint16_t wpi_read_prom_data(struct wpi_softc *, uint32_t, void *, int); 185173362Sbenjscstatic int wpi_alloc_fwmem(struct wpi_softc *); 186173362Sbenjscstatic void wpi_free_fwmem(struct wpi_softc *); 187173362Sbenjscstatic int wpi_load_firmware(struct wpi_softc *); 188173362Sbenjscstatic void wpi_unload_firmware(struct wpi_softc *); 189173362Sbenjscstatic int wpi_load_microcode(struct wpi_softc *, const uint8_t *, int); 190173362Sbenjscstatic void wpi_rx_intr(struct wpi_softc *, struct wpi_rx_desc *, 191173362Sbenjsc struct wpi_rx_data *); 192173362Sbenjscstatic void wpi_tx_intr(struct wpi_softc *, struct wpi_rx_desc *); 193173362Sbenjscstatic void wpi_cmd_intr(struct wpi_softc *, struct wpi_rx_desc *); 194173362Sbenjscstatic void wpi_notif_intr(struct wpi_softc *); 195173362Sbenjscstatic void wpi_intr(void *); 196173362Sbenjscstatic uint8_t wpi_plcp_signal(int); 197177043Sthompsastatic void wpi_watchdog(void *); 198173362Sbenjscstatic int wpi_tx_data(struct wpi_softc *, struct mbuf *, 199173362Sbenjsc struct ieee80211_node *, int); 200173362Sbenjscstatic void wpi_start(struct ifnet *); 201178354Ssamstatic void wpi_start_locked(struct ifnet *); 202178354Ssamstatic int wpi_raw_xmit(struct ieee80211_node *, struct mbuf *, 203178354Ssam const struct ieee80211_bpf_params *); 204173362Sbenjscstatic void wpi_scan_start(struct ieee80211com *); 205173362Sbenjscstatic void wpi_scan_end(struct ieee80211com *); 206173362Sbenjscstatic void wpi_set_channel(struct ieee80211com *); 207178354Ssamstatic void wpi_scan_curchan(struct ieee80211_scan_state *, unsigned long); 208178354Ssamstatic void wpi_scan_mindwell(struct ieee80211_scan_state *); 209173362Sbenjscstatic int wpi_ioctl(struct ifnet *, u_long, caddr_t); 210190526Ssamstatic void wpi_read_eeprom(struct wpi_softc *, 211190526Ssam uint8_t macaddr[IEEE80211_ADDR_LEN]); 212173362Sbenjscstatic void wpi_read_eeprom_channels(struct wpi_softc *, int); 213173362Sbenjscstatic void wpi_read_eeprom_group(struct wpi_softc *, int); 214173362Sbenjscstatic int wpi_cmd(struct wpi_softc *, int, const void *, int, int); 215173362Sbenjscstatic int wpi_wme_update(struct ieee80211com *); 216173362Sbenjscstatic int wpi_mrr_setup(struct wpi_softc *); 217173362Sbenjscstatic void wpi_set_led(struct wpi_softc *, uint8_t, uint8_t, uint8_t); 218173362Sbenjscstatic void wpi_enable_tsf(struct wpi_softc *, struct ieee80211_node *); 219173362Sbenjsc#if 0 220173362Sbenjscstatic int wpi_setup_beacon(struct wpi_softc *, struct ieee80211_node *); 221173362Sbenjsc#endif 222178354Ssamstatic int wpi_auth(struct wpi_softc *, struct ieee80211vap *); 223178354Ssamstatic int wpi_run(struct wpi_softc *, struct ieee80211vap *); 224173362Sbenjscstatic int wpi_scan(struct wpi_softc *); 225173362Sbenjscstatic int wpi_config(struct wpi_softc *); 226173362Sbenjscstatic void wpi_stop_master(struct wpi_softc *); 227173362Sbenjscstatic int wpi_power_up(struct wpi_softc *); 228173362Sbenjscstatic int wpi_reset(struct wpi_softc *); 229191746Sthompsastatic void wpi_hwreset(void *, int); 230191746Sthompsastatic void wpi_rfreset(void *, int); 231173362Sbenjscstatic void wpi_hw_config(struct wpi_softc *); 232173362Sbenjscstatic void wpi_init(void *); 233177043Sthompsastatic void wpi_init_locked(struct wpi_softc *, int); 234173362Sbenjscstatic void wpi_stop(struct wpi_softc *); 235173362Sbenjscstatic void wpi_stop_locked(struct wpi_softc *); 236173362Sbenjsc 237173362Sbenjscstatic int wpi_set_txpower(struct wpi_softc *, struct ieee80211_channel *, 238173362Sbenjsc int); 239173362Sbenjscstatic void wpi_calib_timeout(void *); 240173362Sbenjscstatic void wpi_power_calibration(struct wpi_softc *, int); 241173362Sbenjscstatic int wpi_get_power_index(struct wpi_softc *, 242173362Sbenjsc struct wpi_power_group *, struct ieee80211_channel *, int); 243179957Sthompsa#ifdef WPI_DEBUG 244173362Sbenjscstatic const char *wpi_cmd_str(int); 245179957Sthompsa#endif 246173362Sbenjscstatic int wpi_probe(device_t); 247173362Sbenjscstatic int wpi_attach(device_t); 248173362Sbenjscstatic int wpi_detach(device_t); 249173362Sbenjscstatic int wpi_shutdown(device_t); 250173362Sbenjscstatic int wpi_suspend(device_t); 251173362Sbenjscstatic int wpi_resume(device_t); 252173362Sbenjsc 253173362Sbenjsc 254173362Sbenjscstatic device_method_t wpi_methods[] = { 255173362Sbenjsc /* Device interface */ 256173362Sbenjsc DEVMETHOD(device_probe, wpi_probe), 257173362Sbenjsc DEVMETHOD(device_attach, wpi_attach), 258173362Sbenjsc DEVMETHOD(device_detach, wpi_detach), 259173362Sbenjsc DEVMETHOD(device_shutdown, wpi_shutdown), 260173362Sbenjsc DEVMETHOD(device_suspend, wpi_suspend), 261173362Sbenjsc DEVMETHOD(device_resume, wpi_resume), 262173362Sbenjsc 263173362Sbenjsc { 0, 0 } 264173362Sbenjsc}; 265173362Sbenjsc 266173362Sbenjscstatic driver_t wpi_driver = { 267173362Sbenjsc "wpi", 268173362Sbenjsc wpi_methods, 269173362Sbenjsc sizeof (struct wpi_softc) 270173362Sbenjsc}; 271173362Sbenjsc 272173362Sbenjscstatic devclass_t wpi_devclass; 273173362Sbenjsc 274173362SbenjscDRIVER_MODULE(wpi, pci, wpi_driver, wpi_devclass, 0, 0); 275173362Sbenjsc 276173362Sbenjscstatic const uint8_t wpi_ridx_to_plcp[] = { 277173362Sbenjsc /* OFDM: IEEE Std 802.11a-1999, pp. 14 Table 80 */ 278173362Sbenjsc /* R1-R4 (ral/ural is R4-R1) */ 279173362Sbenjsc 0xd, 0xf, 0x5, 0x7, 0x9, 0xb, 0x1, 0x3, 280173362Sbenjsc /* CCK: device-dependent */ 281173362Sbenjsc 10, 20, 55, 110 282173362Sbenjsc}; 283173362Sbenjscstatic const uint8_t wpi_ridx_to_rate[] = { 284173362Sbenjsc 12, 18, 24, 36, 48, 72, 96, 108, /* OFDM */ 285173362Sbenjsc 2, 4, 11, 22 /*CCK */ 286173362Sbenjsc}; 287173362Sbenjsc 288173362Sbenjsc 289173362Sbenjscstatic int 290173362Sbenjscwpi_probe(device_t dev) 291173362Sbenjsc{ 292173362Sbenjsc const struct wpi_ident *ident; 293173362Sbenjsc 294173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 295173362Sbenjsc if (pci_get_vendor(dev) == ident->vendor && 296173362Sbenjsc pci_get_device(dev) == ident->device) { 297173362Sbenjsc device_set_desc(dev, ident->name); 298173362Sbenjsc return 0; 299173362Sbenjsc } 300173362Sbenjsc } 301173362Sbenjsc return ENXIO; 302173362Sbenjsc} 303173362Sbenjsc 304173362Sbenjsc/** 305173362Sbenjsc * Load the firmare image from disk to the allocated dma buffer. 306173362Sbenjsc * we also maintain the reference to the firmware pointer as there 307173362Sbenjsc * is times where we may need to reload the firmware but we are not 308173362Sbenjsc * in a context that can access the filesystem (ie taskq cause by restart) 309173362Sbenjsc * 310173362Sbenjsc * @return 0 on success, an errno on failure 311173362Sbenjsc */ 312173362Sbenjscstatic int 313173362Sbenjscwpi_load_firmware(struct wpi_softc *sc) 314173362Sbenjsc{ 315178354Ssam const struct firmware *fp; 316173362Sbenjsc struct wpi_dma_info *dma = &sc->fw_dma; 317173362Sbenjsc const struct wpi_firmware_hdr *hdr; 318173362Sbenjsc const uint8_t *itext, *idata, *rtext, *rdata, *btext; 319173362Sbenjsc uint32_t itextsz, idatasz, rtextsz, rdatasz, btextsz; 320173362Sbenjsc int error; 321173362Sbenjsc 322173362Sbenjsc DPRINTFN(WPI_DEBUG_FIRMWARE, 323173362Sbenjsc ("Attempting Loading Firmware from wpi_fw module\n")); 324173362Sbenjsc 325173362Sbenjsc WPI_UNLOCK(sc); 326173362Sbenjsc 327173362Sbenjsc if (sc->fw_fp == NULL && (sc->fw_fp = firmware_get("wpifw")) == NULL) { 328173362Sbenjsc device_printf(sc->sc_dev, 329173362Sbenjsc "could not load firmware image 'wpifw'\n"); 330173362Sbenjsc error = ENOENT; 331173362Sbenjsc WPI_LOCK(sc); 332173362Sbenjsc goto fail; 333173362Sbenjsc } 334173362Sbenjsc 335173362Sbenjsc fp = sc->fw_fp; 336173362Sbenjsc 337173362Sbenjsc WPI_LOCK(sc); 338173362Sbenjsc 339173362Sbenjsc /* Validate the firmware is minimum a particular version */ 340173362Sbenjsc if (fp->version < WPI_FW_MINVERSION) { 341173362Sbenjsc device_printf(sc->sc_dev, 342173362Sbenjsc "firmware version is too old. Need %d, got %d\n", 343173362Sbenjsc WPI_FW_MINVERSION, 344173362Sbenjsc fp->version); 345173362Sbenjsc error = ENXIO; 346173362Sbenjsc goto fail; 347173362Sbenjsc } 348173362Sbenjsc 349173362Sbenjsc if (fp->datasize < sizeof (struct wpi_firmware_hdr)) { 350173362Sbenjsc device_printf(sc->sc_dev, 351173362Sbenjsc "firmware file too short: %zu bytes\n", fp->datasize); 352173362Sbenjsc error = ENXIO; 353173362Sbenjsc goto fail; 354173362Sbenjsc } 355173362Sbenjsc 356173362Sbenjsc hdr = (const struct wpi_firmware_hdr *)fp->data; 357173362Sbenjsc 358173362Sbenjsc /* | RUNTIME FIRMWARE | INIT FIRMWARE | BOOT FW | 359173362Sbenjsc |HDR|<--TEXT-->|<--DATA-->|<--TEXT-->|<--DATA-->|<--TEXT-->| */ 360173362Sbenjsc 361173362Sbenjsc rtextsz = le32toh(hdr->rtextsz); 362173362Sbenjsc rdatasz = le32toh(hdr->rdatasz); 363173362Sbenjsc itextsz = le32toh(hdr->itextsz); 364173362Sbenjsc idatasz = le32toh(hdr->idatasz); 365173362Sbenjsc btextsz = le32toh(hdr->btextsz); 366173362Sbenjsc 367173362Sbenjsc /* check that all firmware segments are present */ 368173362Sbenjsc if (fp->datasize < sizeof (struct wpi_firmware_hdr) + 369173362Sbenjsc rtextsz + rdatasz + itextsz + idatasz + btextsz) { 370173362Sbenjsc device_printf(sc->sc_dev, 371173362Sbenjsc "firmware file too short: %zu bytes\n", fp->datasize); 372173362Sbenjsc error = ENXIO; /* XXX appropriate error code? */ 373173362Sbenjsc goto fail; 374173362Sbenjsc } 375173362Sbenjsc 376173362Sbenjsc /* get pointers to firmware segments */ 377173362Sbenjsc rtext = (const uint8_t *)(hdr + 1); 378173362Sbenjsc rdata = rtext + rtextsz; 379173362Sbenjsc itext = rdata + rdatasz; 380173362Sbenjsc idata = itext + itextsz; 381173362Sbenjsc btext = idata + idatasz; 382173362Sbenjsc 383173362Sbenjsc DPRINTFN(WPI_DEBUG_FIRMWARE, 384173362Sbenjsc ("Firmware Version: Major %d, Minor %d, Driver %d, \n" 385173362Sbenjsc "runtime (text: %u, data: %u) init (text: %u, data %u) boot (text %u)\n", 386173362Sbenjsc (le32toh(hdr->version) & 0xff000000) >> 24, 387173362Sbenjsc (le32toh(hdr->version) & 0x00ff0000) >> 16, 388173362Sbenjsc (le32toh(hdr->version) & 0x0000ffff), 389173362Sbenjsc rtextsz, rdatasz, 390173362Sbenjsc itextsz, idatasz, btextsz)); 391173362Sbenjsc 392173362Sbenjsc DPRINTFN(WPI_DEBUG_FIRMWARE,("rtext 0x%x\n", *(const uint32_t *)rtext)); 393173362Sbenjsc DPRINTFN(WPI_DEBUG_FIRMWARE,("rdata 0x%x\n", *(const uint32_t *)rdata)); 394173362Sbenjsc DPRINTFN(WPI_DEBUG_FIRMWARE,("itext 0x%x\n", *(const uint32_t *)itext)); 395173362Sbenjsc DPRINTFN(WPI_DEBUG_FIRMWARE,("idata 0x%x\n", *(const uint32_t *)idata)); 396173362Sbenjsc DPRINTFN(WPI_DEBUG_FIRMWARE,("btext 0x%x\n", *(const uint32_t *)btext)); 397173362Sbenjsc 398173362Sbenjsc /* sanity checks */ 399173362Sbenjsc if (rtextsz > WPI_FW_MAIN_TEXT_MAXSZ || 400173362Sbenjsc rdatasz > WPI_FW_MAIN_DATA_MAXSZ || 401173362Sbenjsc itextsz > WPI_FW_INIT_TEXT_MAXSZ || 402173362Sbenjsc idatasz > WPI_FW_INIT_DATA_MAXSZ || 403173362Sbenjsc btextsz > WPI_FW_BOOT_TEXT_MAXSZ || 404173362Sbenjsc (btextsz & 3) != 0) { 405173362Sbenjsc device_printf(sc->sc_dev, "firmware invalid\n"); 406173362Sbenjsc error = EINVAL; 407173362Sbenjsc goto fail; 408173362Sbenjsc } 409173362Sbenjsc 410173362Sbenjsc /* copy initialization images into pre-allocated DMA-safe memory */ 411173362Sbenjsc memcpy(dma->vaddr, idata, idatasz); 412173362Sbenjsc memcpy(dma->vaddr + WPI_FW_INIT_DATA_MAXSZ, itext, itextsz); 413173362Sbenjsc 414173362Sbenjsc bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 415173362Sbenjsc 416173362Sbenjsc /* tell adapter where to find initialization images */ 417173362Sbenjsc wpi_mem_lock(sc); 418173362Sbenjsc wpi_mem_write(sc, WPI_MEM_DATA_BASE, dma->paddr); 419173362Sbenjsc wpi_mem_write(sc, WPI_MEM_DATA_SIZE, idatasz); 420173362Sbenjsc wpi_mem_write(sc, WPI_MEM_TEXT_BASE, 421173362Sbenjsc dma->paddr + WPI_FW_INIT_DATA_MAXSZ); 422173362Sbenjsc wpi_mem_write(sc, WPI_MEM_TEXT_SIZE, itextsz); 423173362Sbenjsc wpi_mem_unlock(sc); 424173362Sbenjsc 425173362Sbenjsc /* load firmware boot code */ 426173362Sbenjsc if ((error = wpi_load_microcode(sc, btext, btextsz)) != 0) { 427173362Sbenjsc device_printf(sc->sc_dev, "Failed to load microcode\n"); 428173362Sbenjsc goto fail; 429173362Sbenjsc } 430173362Sbenjsc 431173362Sbenjsc /* now press "execute" */ 432173362Sbenjsc WPI_WRITE(sc, WPI_RESET, 0); 433173362Sbenjsc 434173362Sbenjsc /* wait at most one second for the first alive notification */ 435173362Sbenjsc if ((error = msleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 436173362Sbenjsc device_printf(sc->sc_dev, 437173362Sbenjsc "timeout waiting for adapter to initialize\n"); 438173362Sbenjsc goto fail; 439173362Sbenjsc } 440173362Sbenjsc 441173362Sbenjsc /* copy runtime images into pre-allocated DMA-sage memory */ 442173362Sbenjsc memcpy(dma->vaddr, rdata, rdatasz); 443173362Sbenjsc memcpy(dma->vaddr + WPI_FW_MAIN_DATA_MAXSZ, rtext, rtextsz); 444173362Sbenjsc bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 445173362Sbenjsc 446173362Sbenjsc /* tell adapter where to find runtime images */ 447173362Sbenjsc wpi_mem_lock(sc); 448173362Sbenjsc wpi_mem_write(sc, WPI_MEM_DATA_BASE, dma->paddr); 449173362Sbenjsc wpi_mem_write(sc, WPI_MEM_DATA_SIZE, rdatasz); 450173362Sbenjsc wpi_mem_write(sc, WPI_MEM_TEXT_BASE, 451173362Sbenjsc dma->paddr + WPI_FW_MAIN_DATA_MAXSZ); 452173362Sbenjsc wpi_mem_write(sc, WPI_MEM_TEXT_SIZE, WPI_FW_UPDATED | rtextsz); 453173362Sbenjsc wpi_mem_unlock(sc); 454173362Sbenjsc 455173362Sbenjsc /* wait at most one second for the first alive notification */ 456173362Sbenjsc if ((error = msleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 457173362Sbenjsc device_printf(sc->sc_dev, 458173362Sbenjsc "timeout waiting for adapter to initialize2\n"); 459173362Sbenjsc goto fail; 460173362Sbenjsc } 461173362Sbenjsc 462173362Sbenjsc DPRINTFN(WPI_DEBUG_FIRMWARE, 463173362Sbenjsc ("Firmware loaded to driver successfully\n")); 464173362Sbenjsc return error; 465173362Sbenjscfail: 466173362Sbenjsc wpi_unload_firmware(sc); 467173362Sbenjsc return error; 468173362Sbenjsc} 469173362Sbenjsc 470173362Sbenjsc/** 471173362Sbenjsc * Free the referenced firmware image 472173362Sbenjsc */ 473173362Sbenjscstatic void 474173362Sbenjscwpi_unload_firmware(struct wpi_softc *sc) 475173362Sbenjsc{ 476173362Sbenjsc 477173362Sbenjsc if (sc->fw_fp) { 478173362Sbenjsc WPI_UNLOCK(sc); 479173362Sbenjsc firmware_put(sc->fw_fp, FIRMWARE_UNLOAD); 480173362Sbenjsc WPI_LOCK(sc); 481173362Sbenjsc sc->fw_fp = NULL; 482173362Sbenjsc } 483173362Sbenjsc} 484173362Sbenjsc 485173362Sbenjscstatic int 486173362Sbenjscwpi_attach(device_t dev) 487173362Sbenjsc{ 488173362Sbenjsc struct wpi_softc *sc = device_get_softc(dev); 489173362Sbenjsc struct ifnet *ifp; 490178354Ssam struct ieee80211com *ic; 491173362Sbenjsc int ac, error, supportsa = 1; 492173362Sbenjsc uint32_t tmp; 493173362Sbenjsc const struct wpi_ident *ident; 494190526Ssam uint8_t macaddr[IEEE80211_ADDR_LEN]; 495173362Sbenjsc 496173362Sbenjsc sc->sc_dev = dev; 497173362Sbenjsc 498179957Sthompsa if (bootverbose || WPI_DEBUG_SET) 499173362Sbenjsc device_printf(sc->sc_dev,"Driver Revision %s\n", VERSION); 500173362Sbenjsc 501173362Sbenjsc /* 502173362Sbenjsc * Some card's only support 802.11b/g not a, check to see if 503173362Sbenjsc * this is one such card. A 0x0 in the subdevice table indicates 504173362Sbenjsc * the entire subdevice range is to be ignored. 505173362Sbenjsc */ 506173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 507173362Sbenjsc if (ident->subdevice && 508173362Sbenjsc pci_get_subdevice(dev) == ident->subdevice) { 509173362Sbenjsc supportsa = 0; 510173362Sbenjsc break; 511173362Sbenjsc } 512173362Sbenjsc } 513173362Sbenjsc 514173362Sbenjsc /* Create the tasks that can be queued */ 515191746Sthompsa TASK_INIT(&sc->sc_restarttask, 0, wpi_hwreset, sc); 516191746Sthompsa TASK_INIT(&sc->sc_radiotask, 0, wpi_rfreset, sc); 517173362Sbenjsc 518173362Sbenjsc WPI_LOCK_INIT(sc); 519173362Sbenjsc 520173362Sbenjsc callout_init_mtx(&sc->calib_to, &sc->sc_mtx, 0); 521173362Sbenjsc callout_init_mtx(&sc->watchdog_to, &sc->sc_mtx, 0); 522173362Sbenjsc 523173362Sbenjsc if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) { 524173362Sbenjsc device_printf(dev, "chip is in D%d power mode " 525173362Sbenjsc "-- setting to D0\n", pci_get_powerstate(dev)); 526173362Sbenjsc pci_set_powerstate(dev, PCI_POWERSTATE_D0); 527173362Sbenjsc } 528173362Sbenjsc 529173362Sbenjsc /* disable the retry timeout register */ 530173362Sbenjsc pci_write_config(dev, 0x41, 0, 1); 531173362Sbenjsc 532173362Sbenjsc /* enable bus-mastering */ 533173362Sbenjsc pci_enable_busmaster(dev); 534173362Sbenjsc 535173362Sbenjsc sc->mem_rid = PCIR_BAR(0); 536173362Sbenjsc sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid, 537173362Sbenjsc RF_ACTIVE); 538173362Sbenjsc if (sc->mem == NULL) { 539173362Sbenjsc device_printf(dev, "could not allocate memory resource\n"); 540173362Sbenjsc error = ENOMEM; 541173362Sbenjsc goto fail; 542173362Sbenjsc } 543173362Sbenjsc 544173362Sbenjsc sc->sc_st = rman_get_bustag(sc->mem); 545173362Sbenjsc sc->sc_sh = rman_get_bushandle(sc->mem); 546173362Sbenjsc 547173362Sbenjsc sc->irq_rid = 0; 548173362Sbenjsc sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, 549173362Sbenjsc RF_ACTIVE | RF_SHAREABLE); 550173362Sbenjsc if (sc->irq == NULL) { 551173362Sbenjsc device_printf(dev, "could not allocate interrupt resource\n"); 552173362Sbenjsc error = ENOMEM; 553173362Sbenjsc goto fail; 554173362Sbenjsc } 555173362Sbenjsc 556173362Sbenjsc /* 557173362Sbenjsc * Allocate DMA memory for firmware transfers. 558173362Sbenjsc */ 559173362Sbenjsc if ((error = wpi_alloc_fwmem(sc)) != 0) { 560173362Sbenjsc printf(": could not allocate firmware memory\n"); 561173362Sbenjsc error = ENOMEM; 562173362Sbenjsc goto fail; 563173362Sbenjsc } 564173362Sbenjsc 565173362Sbenjsc /* 566173362Sbenjsc * Put adapter into a known state. 567173362Sbenjsc */ 568173362Sbenjsc if ((error = wpi_reset(sc)) != 0) { 569173362Sbenjsc device_printf(dev, "could not reset adapter\n"); 570173362Sbenjsc goto fail; 571173362Sbenjsc } 572173362Sbenjsc 573173362Sbenjsc wpi_mem_lock(sc); 574173362Sbenjsc tmp = wpi_mem_read(sc, WPI_MEM_PCIDEV); 575179957Sthompsa if (bootverbose || WPI_DEBUG_SET) 576173362Sbenjsc device_printf(sc->sc_dev, "Hardware Revision (0x%X)\n", tmp); 577173362Sbenjsc 578173362Sbenjsc wpi_mem_unlock(sc); 579173362Sbenjsc 580173362Sbenjsc /* Allocate shared page */ 581173362Sbenjsc if ((error = wpi_alloc_shared(sc)) != 0) { 582173362Sbenjsc device_printf(dev, "could not allocate shared page\n"); 583173362Sbenjsc goto fail; 584173362Sbenjsc } 585173362Sbenjsc 586173362Sbenjsc /* tx data queues - 4 for QoS purposes */ 587173362Sbenjsc for (ac = 0; ac < WME_NUM_AC; ac++) { 588173362Sbenjsc error = wpi_alloc_tx_ring(sc, &sc->txq[ac], WPI_TX_RING_COUNT, ac); 589173362Sbenjsc if (error != 0) { 590173362Sbenjsc device_printf(dev, "could not allocate Tx ring %d\n",ac); 591173362Sbenjsc goto fail; 592173362Sbenjsc } 593173362Sbenjsc } 594173362Sbenjsc 595173362Sbenjsc /* command queue to talk to the card's firmware */ 596173362Sbenjsc error = wpi_alloc_tx_ring(sc, &sc->cmdq, WPI_CMD_RING_COUNT, 4); 597173362Sbenjsc if (error != 0) { 598173362Sbenjsc device_printf(dev, "could not allocate command ring\n"); 599173362Sbenjsc goto fail; 600173362Sbenjsc } 601173362Sbenjsc 602173362Sbenjsc /* receive data queue */ 603173362Sbenjsc error = wpi_alloc_rx_ring(sc, &sc->rxq); 604173362Sbenjsc if (error != 0) { 605173362Sbenjsc device_printf(dev, "could not allocate Rx ring\n"); 606173362Sbenjsc goto fail; 607173362Sbenjsc } 608173362Sbenjsc 609178354Ssam ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 610173362Sbenjsc if (ifp == NULL) { 611173362Sbenjsc device_printf(dev, "can not if_alloc()\n"); 612173362Sbenjsc error = ENOMEM; 613173362Sbenjsc goto fail; 614173362Sbenjsc } 615178354Ssam ic = ifp->if_l2com; 616173362Sbenjsc 617173362Sbenjsc ic->ic_ifp = ifp; 618178354Ssam ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 619178354Ssam ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 620173362Sbenjsc 621173362Sbenjsc /* set device capabilities */ 622173362Sbenjsc ic->ic_caps = 623178957Ssam IEEE80211_C_STA /* station mode supported */ 624178957Ssam | IEEE80211_C_MONITOR /* monitor mode supported */ 625173362Sbenjsc | IEEE80211_C_TXPMGT /* tx power management */ 626173362Sbenjsc | IEEE80211_C_SHSLOT /* short slot time supported */ 627173362Sbenjsc | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 628173362Sbenjsc | IEEE80211_C_WPA /* 802.11i */ 629173362Sbenjsc/* XXX looks like WME is partly supported? */ 630173362Sbenjsc#if 0 631173362Sbenjsc | IEEE80211_C_IBSS /* IBSS mode support */ 632173362Sbenjsc | IEEE80211_C_BGSCAN /* capable of bg scanning */ 633173362Sbenjsc | IEEE80211_C_WME /* 802.11e */ 634173362Sbenjsc | IEEE80211_C_HOSTAP /* Host access point mode */ 635173362Sbenjsc#endif 636173362Sbenjsc ; 637173362Sbenjsc 638173362Sbenjsc /* 639173362Sbenjsc * Read in the eeprom and also setup the channels for 640173362Sbenjsc * net80211. We don't set the rates as net80211 does this for us 641173362Sbenjsc */ 642190526Ssam wpi_read_eeprom(sc, macaddr); 643173362Sbenjsc 644179957Sthompsa if (bootverbose || WPI_DEBUG_SET) { 645173362Sbenjsc device_printf(sc->sc_dev, "Regulatory Domain: %.4s\n", sc->domain); 646173362Sbenjsc device_printf(sc->sc_dev, "Hardware Type: %c\n", 647173362Sbenjsc sc->type > 1 ? 'B': '?'); 648173362Sbenjsc device_printf(sc->sc_dev, "Hardware Revision: %c\n", 649173362Sbenjsc ((le16toh(sc->rev) & 0xf0) == 0xd0) ? 'D': '?'); 650173362Sbenjsc device_printf(sc->sc_dev, "SKU %s support 802.11a\n", 651173362Sbenjsc supportsa ? "does" : "does not"); 652173362Sbenjsc 653173362Sbenjsc /* XXX hw_config uses the PCIDEV for the Hardware rev. Must check 654173362Sbenjsc what sc->rev really represents - benjsc 20070615 */ 655173362Sbenjsc } 656173362Sbenjsc 657173362Sbenjsc if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 658173362Sbenjsc ifp->if_softc = sc; 659173362Sbenjsc ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 660173362Sbenjsc ifp->if_init = wpi_init; 661173362Sbenjsc ifp->if_ioctl = wpi_ioctl; 662173362Sbenjsc ifp->if_start = wpi_start; 663173362Sbenjsc IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 664173362Sbenjsc ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN; 665173362Sbenjsc IFQ_SET_READY(&ifp->if_snd); 666178354Ssam 667190526Ssam ieee80211_ifattach(ic, macaddr); 668173362Sbenjsc /* override default methods */ 669178354Ssam ic->ic_raw_xmit = wpi_raw_xmit; 670173362Sbenjsc ic->ic_wme.wme_update = wpi_wme_update; 671173362Sbenjsc ic->ic_scan_start = wpi_scan_start; 672173362Sbenjsc ic->ic_scan_end = wpi_scan_end; 673173362Sbenjsc ic->ic_set_channel = wpi_set_channel; 674173362Sbenjsc ic->ic_scan_curchan = wpi_scan_curchan; 675173362Sbenjsc ic->ic_scan_mindwell = wpi_scan_mindwell; 676173362Sbenjsc 677178354Ssam ic->ic_vap_create = wpi_vap_create; 678178354Ssam ic->ic_vap_delete = wpi_vap_delete; 679173362Sbenjsc 680192468Ssam ieee80211_radiotap_attach(ic, 681192468Ssam &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 682192468Ssam WPI_TX_RADIOTAP_PRESENT, 683192468Ssam &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 684192468Ssam WPI_RX_RADIOTAP_PRESENT); 685173362Sbenjsc 686173362Sbenjsc /* 687173362Sbenjsc * Hook our interrupt after all initialization is complete. 688173362Sbenjsc */ 689177043Sthompsa error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET |INTR_MPSAFE, 690177043Sthompsa NULL, wpi_intr, sc, &sc->sc_ih); 691173362Sbenjsc if (error != 0) { 692173362Sbenjsc device_printf(dev, "could not set up interrupt\n"); 693173362Sbenjsc goto fail; 694173362Sbenjsc } 695173362Sbenjsc 696177043Sthompsa if (bootverbose) 697177043Sthompsa ieee80211_announce(ic); 698173362Sbenjsc#ifdef XXX_DEBUG 699173362Sbenjsc ieee80211_announce_channels(ic); 700173362Sbenjsc#endif 701173362Sbenjsc return 0; 702173362Sbenjsc 703173362Sbenjscfail: wpi_detach(dev); 704173362Sbenjsc return ENXIO; 705173362Sbenjsc} 706173362Sbenjsc 707173362Sbenjscstatic int 708173362Sbenjscwpi_detach(device_t dev) 709173362Sbenjsc{ 710173362Sbenjsc struct wpi_softc *sc = device_get_softc(dev); 711178354Ssam struct ifnet *ifp = sc->sc_ifp; 712200530Sgavin struct ieee80211com *ic; 713173362Sbenjsc int ac; 714173362Sbenjsc 715200530Sgavin if (ifp != NULL) { 716200530Sgavin ic = ifp->if_l2com; 717191746Sthompsa 718200530Sgavin ieee80211_draintask(ic, &sc->sc_restarttask); 719200530Sgavin ieee80211_draintask(ic, &sc->sc_radiotask); 720173362Sbenjsc wpi_stop(sc); 721173362Sbenjsc callout_drain(&sc->watchdog_to); 722173362Sbenjsc callout_drain(&sc->calib_to); 723173362Sbenjsc ieee80211_ifdetach(ic); 724173362Sbenjsc } 725173362Sbenjsc 726173362Sbenjsc WPI_LOCK(sc); 727173362Sbenjsc if (sc->txq[0].data_dmat) { 728173362Sbenjsc for (ac = 0; ac < WME_NUM_AC; ac++) 729173362Sbenjsc wpi_free_tx_ring(sc, &sc->txq[ac]); 730173362Sbenjsc 731173362Sbenjsc wpi_free_tx_ring(sc, &sc->cmdq); 732173362Sbenjsc wpi_free_rx_ring(sc, &sc->rxq); 733173362Sbenjsc wpi_free_shared(sc); 734173362Sbenjsc } 735173362Sbenjsc 736173362Sbenjsc if (sc->fw_fp != NULL) { 737173362Sbenjsc wpi_unload_firmware(sc); 738173362Sbenjsc } 739173362Sbenjsc 740173362Sbenjsc if (sc->fw_dma.tag) 741173362Sbenjsc wpi_free_fwmem(sc); 742173362Sbenjsc WPI_UNLOCK(sc); 743173362Sbenjsc 744173362Sbenjsc if (sc->irq != NULL) { 745173362Sbenjsc bus_teardown_intr(dev, sc->irq, sc->sc_ih); 746173362Sbenjsc bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq); 747173362Sbenjsc } 748173362Sbenjsc 749173362Sbenjsc if (sc->mem != NULL) 750173362Sbenjsc bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem); 751173362Sbenjsc 752173362Sbenjsc if (ifp != NULL) 753173362Sbenjsc if_free(ifp); 754173362Sbenjsc 755173362Sbenjsc WPI_LOCK_DESTROY(sc); 756173362Sbenjsc 757173362Sbenjsc return 0; 758173362Sbenjsc} 759173362Sbenjsc 760178354Ssamstatic struct ieee80211vap * 761178354Ssamwpi_vap_create(struct ieee80211com *ic, 762178354Ssam const char name[IFNAMSIZ], int unit, int opmode, int flags, 763178354Ssam const uint8_t bssid[IEEE80211_ADDR_LEN], 764178354Ssam const uint8_t mac[IEEE80211_ADDR_LEN]) 765178354Ssam{ 766178354Ssam struct wpi_vap *wvp; 767178354Ssam struct ieee80211vap *vap; 768178354Ssam 769178354Ssam if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 770178354Ssam return NULL; 771178354Ssam wvp = (struct wpi_vap *) malloc(sizeof(struct wpi_vap), 772178354Ssam M_80211_VAP, M_NOWAIT | M_ZERO); 773178354Ssam if (wvp == NULL) 774178354Ssam return NULL; 775178354Ssam vap = &wvp->vap; 776178354Ssam ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 777178354Ssam /* override with driver methods */ 778178354Ssam wvp->newstate = vap->iv_newstate; 779178354Ssam vap->iv_newstate = wpi_newstate; 780178354Ssam 781206358Srpaulo ieee80211_ratectl_init(vap); 782178354Ssam /* complete setup */ 783178354Ssam ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status); 784178354Ssam ic->ic_opmode = opmode; 785178354Ssam return vap; 786178354Ssam} 787178354Ssam 788173362Sbenjscstatic void 789178354Ssamwpi_vap_delete(struct ieee80211vap *vap) 790178354Ssam{ 791178354Ssam struct wpi_vap *wvp = WPI_VAP(vap); 792178354Ssam 793206358Srpaulo ieee80211_ratectl_deinit(vap); 794178354Ssam ieee80211_vap_detach(vap); 795178354Ssam free(wvp, M_80211_VAP); 796178354Ssam} 797178354Ssam 798178354Ssamstatic void 799173362Sbenjscwpi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 800173362Sbenjsc{ 801173362Sbenjsc if (error != 0) 802173362Sbenjsc return; 803173362Sbenjsc 804173362Sbenjsc KASSERT(nsegs == 1, ("too many DMA segments, %d should be 1", nsegs)); 805173362Sbenjsc 806173362Sbenjsc *(bus_addr_t *)arg = segs[0].ds_addr; 807173362Sbenjsc} 808173362Sbenjsc 809177043Sthompsa/* 810177043Sthompsa * Allocates a contiguous block of dma memory of the requested size and 811177043Sthompsa * alignment. Due to limitations of the FreeBSD dma subsystem as of 20071217, 812177043Sthompsa * allocations greater than 4096 may fail. Hence if the requested alignment is 813177043Sthompsa * greater we allocate 'alignment' size extra memory and shift the vaddr and 814177043Sthompsa * paddr after the dma load. This bypasses the problem at the cost of a little 815177043Sthompsa * more memory. 816177043Sthompsa */ 817173362Sbenjscstatic int 818173362Sbenjscwpi_dma_contig_alloc(struct wpi_softc *sc, struct wpi_dma_info *dma, 819173362Sbenjsc void **kvap, bus_size_t size, bus_size_t alignment, int flags) 820173362Sbenjsc{ 821173362Sbenjsc int error; 822177043Sthompsa bus_size_t align; 823177043Sthompsa bus_size_t reqsize; 824173362Sbenjsc 825173362Sbenjsc DPRINTFN(WPI_DEBUG_DMA, 826177043Sthompsa ("Size: %zd - alignment %zd\n", size, alignment)); 827173362Sbenjsc 828173362Sbenjsc dma->size = size; 829173362Sbenjsc dma->tag = NULL; 830173362Sbenjsc 831177043Sthompsa if (alignment > 4096) { 832177043Sthompsa align = PAGE_SIZE; 833177043Sthompsa reqsize = size + alignment; 834177043Sthompsa } else { 835177043Sthompsa align = alignment; 836177043Sthompsa reqsize = size; 837177043Sthompsa } 838177043Sthompsa error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), align, 839173362Sbenjsc 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, 840177043Sthompsa NULL, NULL, reqsize, 841177043Sthompsa 1, reqsize, flags, 842173362Sbenjsc NULL, NULL, &dma->tag); 843173362Sbenjsc if (error != 0) { 844173362Sbenjsc device_printf(sc->sc_dev, 845173362Sbenjsc "could not create shared page DMA tag\n"); 846173362Sbenjsc goto fail; 847173362Sbenjsc } 848177043Sthompsa error = bus_dmamem_alloc(dma->tag, (void **)&dma->vaddr_start, 849173362Sbenjsc flags | BUS_DMA_ZERO, &dma->map); 850173362Sbenjsc if (error != 0) { 851173362Sbenjsc device_printf(sc->sc_dev, 852173362Sbenjsc "could not allocate shared page DMA memory\n"); 853173362Sbenjsc goto fail; 854173362Sbenjsc } 855173362Sbenjsc 856177043Sthompsa error = bus_dmamap_load(dma->tag, dma->map, dma->vaddr_start, 857177043Sthompsa reqsize, wpi_dma_map_addr, &dma->paddr_start, flags); 858177043Sthompsa 859177043Sthompsa /* Save the original pointers so we can free all the memory */ 860177043Sthompsa dma->paddr = dma->paddr_start; 861177043Sthompsa dma->vaddr = dma->vaddr_start; 862177043Sthompsa 863177043Sthompsa /* 864177043Sthompsa * Check the alignment and increment by 4096 until we get the 865177043Sthompsa * requested alignment. Fail if can't obtain the alignment 866177043Sthompsa * we requested. 867173362Sbenjsc */ 868177043Sthompsa if ((dma->paddr & (alignment -1 )) != 0) { 869177043Sthompsa int i; 870173362Sbenjsc 871177043Sthompsa for (i = 0; i < alignment / 4096; i++) { 872177043Sthompsa if ((dma->paddr & (alignment - 1 )) == 0) 873177043Sthompsa break; 874177043Sthompsa dma->paddr += 4096; 875177043Sthompsa dma->vaddr += 4096; 876177043Sthompsa } 877177043Sthompsa if (i == alignment / 4096) { 878177043Sthompsa device_printf(sc->sc_dev, 879177043Sthompsa "alignment requirement was not satisfied\n"); 880177043Sthompsa goto fail; 881177043Sthompsa } 882173362Sbenjsc } 883173362Sbenjsc 884173362Sbenjsc if (error != 0) { 885173362Sbenjsc device_printf(sc->sc_dev, 886173362Sbenjsc "could not load shared page DMA map\n"); 887173362Sbenjsc goto fail; 888173362Sbenjsc } 889173362Sbenjsc 890173362Sbenjsc if (kvap != NULL) 891173362Sbenjsc *kvap = dma->vaddr; 892173362Sbenjsc 893173362Sbenjsc return 0; 894173362Sbenjsc 895173362Sbenjscfail: 896173362Sbenjsc wpi_dma_contig_free(dma); 897173362Sbenjsc return error; 898173362Sbenjsc} 899173362Sbenjsc 900173362Sbenjscstatic void 901173362Sbenjscwpi_dma_contig_free(struct wpi_dma_info *dma) 902173362Sbenjsc{ 903173362Sbenjsc if (dma->tag) { 904173362Sbenjsc if (dma->map != NULL) { 905177043Sthompsa if (dma->paddr_start != 0) { 906173362Sbenjsc bus_dmamap_sync(dma->tag, dma->map, 907173362Sbenjsc BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 908173362Sbenjsc bus_dmamap_unload(dma->tag, dma->map); 909173362Sbenjsc } 910177043Sthompsa bus_dmamem_free(dma->tag, &dma->vaddr_start, dma->map); 911173362Sbenjsc } 912173362Sbenjsc bus_dma_tag_destroy(dma->tag); 913173362Sbenjsc } 914173362Sbenjsc} 915173362Sbenjsc 916173362Sbenjsc/* 917173362Sbenjsc * Allocate a shared page between host and NIC. 918173362Sbenjsc */ 919173362Sbenjscstatic int 920173362Sbenjscwpi_alloc_shared(struct wpi_softc *sc) 921173362Sbenjsc{ 922173362Sbenjsc int error; 923173362Sbenjsc 924173362Sbenjsc error = wpi_dma_contig_alloc(sc, &sc->shared_dma, 925173362Sbenjsc (void **)&sc->shared, sizeof (struct wpi_shared), 926173362Sbenjsc PAGE_SIZE, 927173362Sbenjsc BUS_DMA_NOWAIT); 928173362Sbenjsc 929173362Sbenjsc if (error != 0) { 930173362Sbenjsc device_printf(sc->sc_dev, 931173362Sbenjsc "could not allocate shared area DMA memory\n"); 932173362Sbenjsc } 933173362Sbenjsc 934173362Sbenjsc return error; 935173362Sbenjsc} 936173362Sbenjsc 937173362Sbenjscstatic void 938173362Sbenjscwpi_free_shared(struct wpi_softc *sc) 939173362Sbenjsc{ 940173362Sbenjsc wpi_dma_contig_free(&sc->shared_dma); 941173362Sbenjsc} 942173362Sbenjsc 943173362Sbenjscstatic int 944173362Sbenjscwpi_alloc_rx_ring(struct wpi_softc *sc, struct wpi_rx_ring *ring) 945173362Sbenjsc{ 946173362Sbenjsc 947173362Sbenjsc int i, error; 948173362Sbenjsc 949173362Sbenjsc ring->cur = 0; 950173362Sbenjsc 951173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->desc_dma, 952177043Sthompsa (void **)&ring->desc, WPI_RX_RING_COUNT * sizeof (uint32_t), 953177043Sthompsa WPI_RING_DMA_ALIGN, BUS_DMA_NOWAIT); 954173362Sbenjsc 955173362Sbenjsc if (error != 0) { 956177043Sthompsa device_printf(sc->sc_dev, 957177043Sthompsa "%s: could not allocate rx ring DMA memory, error %d\n", 958177043Sthompsa __func__, error); 959177043Sthompsa goto fail; 960173362Sbenjsc } 961173362Sbenjsc 962177043Sthompsa error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 963177043Sthompsa BUS_SPACE_MAXADDR_32BIT, 964177043Sthompsa BUS_SPACE_MAXADDR, NULL, NULL, MJUMPAGESIZE, 1, 965177043Sthompsa MJUMPAGESIZE, BUS_DMA_NOWAIT, NULL, NULL, &ring->data_dmat); 966177043Sthompsa if (error != 0) { 967177043Sthompsa device_printf(sc->sc_dev, 968177043Sthompsa "%s: bus_dma_tag_create_failed, error %d\n", 969177043Sthompsa __func__, error); 970177043Sthompsa goto fail; 971177043Sthompsa } 972177043Sthompsa 973173362Sbenjsc /* 974177043Sthompsa * Setup Rx buffers. 975173362Sbenjsc */ 976173362Sbenjsc for (i = 0; i < WPI_RX_RING_COUNT; i++) { 977177043Sthompsa struct wpi_rx_data *data = &ring->data[i]; 978177043Sthompsa struct mbuf *m; 979177043Sthompsa bus_addr_t paddr; 980173362Sbenjsc 981177043Sthompsa error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 982177043Sthompsa if (error != 0) { 983173362Sbenjsc device_printf(sc->sc_dev, 984177043Sthompsa "%s: bus_dmamap_create failed, error %d\n", 985177043Sthompsa __func__, error); 986173362Sbenjsc goto fail; 987173362Sbenjsc } 988177043Sthompsa m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 989177043Sthompsa if (m == NULL) { 990173362Sbenjsc device_printf(sc->sc_dev, 991177043Sthompsa "%s: could not allocate rx mbuf\n", __func__); 992177043Sthompsa error = ENOMEM; 993173362Sbenjsc goto fail; 994173362Sbenjsc } 995177043Sthompsa /* map page */ 996177043Sthompsa error = bus_dmamap_load(ring->data_dmat, data->map, 997177043Sthompsa mtod(m, caddr_t), MJUMPAGESIZE, 998177043Sthompsa wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 999177043Sthompsa if (error != 0 && error != EFBIG) { 1000177043Sthompsa device_printf(sc->sc_dev, 1001177043Sthompsa "%s: bus_dmamap_load failed, error %d\n", 1002177043Sthompsa __func__, error); 1003177043Sthompsa m_freem(m); 1004177043Sthompsa error = ENOMEM; /* XXX unique code */ 1005173362Sbenjsc goto fail; 1006173362Sbenjsc } 1007177043Sthompsa bus_dmamap_sync(ring->data_dmat, data->map, 1008177043Sthompsa BUS_DMASYNC_PREWRITE); 1009177043Sthompsa 1010177043Sthompsa data->m = m; 1011177043Sthompsa ring->desc[i] = htole32(paddr); 1012173362Sbenjsc } 1013173362Sbenjsc bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1014173362Sbenjsc BUS_DMASYNC_PREWRITE); 1015173362Sbenjsc return 0; 1016173362Sbenjscfail: 1017173362Sbenjsc wpi_free_rx_ring(sc, ring); 1018173362Sbenjsc return error; 1019173362Sbenjsc} 1020173362Sbenjsc 1021173362Sbenjscstatic void 1022173362Sbenjscwpi_reset_rx_ring(struct wpi_softc *sc, struct wpi_rx_ring *ring) 1023173362Sbenjsc{ 1024173362Sbenjsc int ntries; 1025173362Sbenjsc 1026173362Sbenjsc wpi_mem_lock(sc); 1027173362Sbenjsc 1028173362Sbenjsc WPI_WRITE(sc, WPI_RX_CONFIG, 0); 1029173362Sbenjsc 1030173362Sbenjsc for (ntries = 0; ntries < 100; ntries++) { 1031173362Sbenjsc if (WPI_READ(sc, WPI_RX_STATUS) & WPI_RX_IDLE) 1032173362Sbenjsc break; 1033173362Sbenjsc DELAY(10); 1034173362Sbenjsc } 1035173362Sbenjsc 1036173362Sbenjsc wpi_mem_unlock(sc); 1037173362Sbenjsc 1038173362Sbenjsc#ifdef WPI_DEBUG 1039179957Sthompsa if (ntries == 100 && wpi_debug > 0) 1040173362Sbenjsc device_printf(sc->sc_dev, "timeout resetting Rx ring\n"); 1041173362Sbenjsc#endif 1042173362Sbenjsc 1043173362Sbenjsc ring->cur = 0; 1044173362Sbenjsc} 1045173362Sbenjsc 1046173362Sbenjscstatic void 1047173362Sbenjscwpi_free_rx_ring(struct wpi_softc *sc, struct wpi_rx_ring *ring) 1048173362Sbenjsc{ 1049173362Sbenjsc int i; 1050173362Sbenjsc 1051173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1052173362Sbenjsc 1053177043Sthompsa for (i = 0; i < WPI_RX_RING_COUNT; i++) 1054177043Sthompsa if (ring->data[i].m != NULL) 1055173362Sbenjsc m_freem(ring->data[i].m); 1056173362Sbenjsc} 1057173362Sbenjsc 1058173362Sbenjscstatic int 1059173362Sbenjscwpi_alloc_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring, int count, 1060173362Sbenjsc int qid) 1061173362Sbenjsc{ 1062173362Sbenjsc struct wpi_tx_data *data; 1063173362Sbenjsc int i, error; 1064173362Sbenjsc 1065173362Sbenjsc ring->qid = qid; 1066173362Sbenjsc ring->count = count; 1067173362Sbenjsc ring->queued = 0; 1068173362Sbenjsc ring->cur = 0; 1069173362Sbenjsc ring->data = NULL; 1070173362Sbenjsc 1071173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->desc_dma, 1072173362Sbenjsc (void **)&ring->desc, count * sizeof (struct wpi_tx_desc), 1073173362Sbenjsc WPI_RING_DMA_ALIGN, BUS_DMA_NOWAIT); 1074173362Sbenjsc 1075173362Sbenjsc if (error != 0) { 1076173362Sbenjsc device_printf(sc->sc_dev, "could not allocate tx dma memory\n"); 1077173362Sbenjsc goto fail; 1078173362Sbenjsc } 1079173362Sbenjsc 1080173362Sbenjsc /* update shared page with ring's base address */ 1081173362Sbenjsc sc->shared->txbase[qid] = htole32(ring->desc_dma.paddr); 1082173362Sbenjsc 1083173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->cmd_dma, (void **)&ring->cmd, 1084173362Sbenjsc count * sizeof (struct wpi_tx_cmd), WPI_RING_DMA_ALIGN, 1085173362Sbenjsc BUS_DMA_NOWAIT); 1086173362Sbenjsc 1087173362Sbenjsc if (error != 0) { 1088173362Sbenjsc device_printf(sc->sc_dev, 1089173362Sbenjsc "could not allocate tx command DMA memory\n"); 1090173362Sbenjsc goto fail; 1091173362Sbenjsc } 1092173362Sbenjsc 1093173362Sbenjsc ring->data = malloc(count * sizeof (struct wpi_tx_data), M_DEVBUF, 1094173362Sbenjsc M_NOWAIT | M_ZERO); 1095173362Sbenjsc if (ring->data == NULL) { 1096173362Sbenjsc device_printf(sc->sc_dev, 1097173362Sbenjsc "could not allocate tx data slots\n"); 1098173362Sbenjsc goto fail; 1099173362Sbenjsc } 1100173362Sbenjsc 1101173362Sbenjsc error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1102173362Sbenjsc BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1103173362Sbenjsc WPI_MAX_SCATTER - 1, MCLBYTES, BUS_DMA_NOWAIT, NULL, NULL, 1104173362Sbenjsc &ring->data_dmat); 1105173362Sbenjsc if (error != 0) { 1106173362Sbenjsc device_printf(sc->sc_dev, "could not create data DMA tag\n"); 1107173362Sbenjsc goto fail; 1108173362Sbenjsc } 1109173362Sbenjsc 1110173362Sbenjsc for (i = 0; i < count; i++) { 1111173362Sbenjsc data = &ring->data[i]; 1112173362Sbenjsc 1113173362Sbenjsc error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1114173362Sbenjsc if (error != 0) { 1115173362Sbenjsc device_printf(sc->sc_dev, 1116173362Sbenjsc "could not create tx buf DMA map\n"); 1117173362Sbenjsc goto fail; 1118173362Sbenjsc } 1119173362Sbenjsc bus_dmamap_sync(ring->data_dmat, data->map, 1120173362Sbenjsc BUS_DMASYNC_PREWRITE); 1121173362Sbenjsc } 1122173362Sbenjsc 1123173362Sbenjsc return 0; 1124173362Sbenjsc 1125177043Sthompsafail: 1126177043Sthompsa wpi_free_tx_ring(sc, ring); 1127173362Sbenjsc return error; 1128173362Sbenjsc} 1129173362Sbenjsc 1130173362Sbenjscstatic void 1131173362Sbenjscwpi_reset_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1132173362Sbenjsc{ 1133173362Sbenjsc struct wpi_tx_data *data; 1134173362Sbenjsc int i, ntries; 1135173362Sbenjsc 1136173362Sbenjsc wpi_mem_lock(sc); 1137173362Sbenjsc 1138173362Sbenjsc WPI_WRITE(sc, WPI_TX_CONFIG(ring->qid), 0); 1139173362Sbenjsc for (ntries = 0; ntries < 100; ntries++) { 1140173362Sbenjsc if (WPI_READ(sc, WPI_TX_STATUS) & WPI_TX_IDLE(ring->qid)) 1141173362Sbenjsc break; 1142173362Sbenjsc DELAY(10); 1143173362Sbenjsc } 1144173362Sbenjsc#ifdef WPI_DEBUG 1145179957Sthompsa if (ntries == 100 && wpi_debug > 0) 1146173362Sbenjsc device_printf(sc->sc_dev, "timeout resetting Tx ring %d\n", 1147173362Sbenjsc ring->qid); 1148173362Sbenjsc#endif 1149173362Sbenjsc wpi_mem_unlock(sc); 1150173362Sbenjsc 1151173362Sbenjsc for (i = 0; i < ring->count; i++) { 1152173362Sbenjsc data = &ring->data[i]; 1153173362Sbenjsc 1154173362Sbenjsc if (data->m != NULL) { 1155173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1156173362Sbenjsc m_freem(data->m); 1157173362Sbenjsc data->m = NULL; 1158173362Sbenjsc } 1159173362Sbenjsc } 1160173362Sbenjsc 1161173362Sbenjsc ring->queued = 0; 1162173362Sbenjsc ring->cur = 0; 1163173362Sbenjsc} 1164173362Sbenjsc 1165173362Sbenjscstatic void 1166173362Sbenjscwpi_free_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1167173362Sbenjsc{ 1168173362Sbenjsc struct wpi_tx_data *data; 1169173362Sbenjsc int i; 1170173362Sbenjsc 1171173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1172173362Sbenjsc wpi_dma_contig_free(&ring->cmd_dma); 1173173362Sbenjsc 1174173362Sbenjsc if (ring->data != NULL) { 1175173362Sbenjsc for (i = 0; i < ring->count; i++) { 1176173362Sbenjsc data = &ring->data[i]; 1177173362Sbenjsc 1178173362Sbenjsc if (data->m != NULL) { 1179173362Sbenjsc bus_dmamap_sync(ring->data_dmat, data->map, 1180173362Sbenjsc BUS_DMASYNC_POSTWRITE); 1181173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1182173362Sbenjsc m_freem(data->m); 1183173362Sbenjsc data->m = NULL; 1184173362Sbenjsc } 1185173362Sbenjsc } 1186173362Sbenjsc free(ring->data, M_DEVBUF); 1187173362Sbenjsc } 1188173362Sbenjsc 1189173362Sbenjsc if (ring->data_dmat != NULL) 1190173362Sbenjsc bus_dma_tag_destroy(ring->data_dmat); 1191173362Sbenjsc} 1192173362Sbenjsc 1193173362Sbenjscstatic int 1194173362Sbenjscwpi_shutdown(device_t dev) 1195173362Sbenjsc{ 1196173362Sbenjsc struct wpi_softc *sc = device_get_softc(dev); 1197173362Sbenjsc 1198173362Sbenjsc WPI_LOCK(sc); 1199173362Sbenjsc wpi_stop_locked(sc); 1200173362Sbenjsc wpi_unload_firmware(sc); 1201173362Sbenjsc WPI_UNLOCK(sc); 1202173362Sbenjsc 1203173362Sbenjsc return 0; 1204173362Sbenjsc} 1205173362Sbenjsc 1206173362Sbenjscstatic int 1207173362Sbenjscwpi_suspend(device_t dev) 1208173362Sbenjsc{ 1209173362Sbenjsc struct wpi_softc *sc = device_get_softc(dev); 1210173362Sbenjsc 1211173362Sbenjsc wpi_stop(sc); 1212173362Sbenjsc return 0; 1213173362Sbenjsc} 1214173362Sbenjsc 1215173362Sbenjscstatic int 1216173362Sbenjscwpi_resume(device_t dev) 1217173362Sbenjsc{ 1218173362Sbenjsc struct wpi_softc *sc = device_get_softc(dev); 1219178354Ssam struct ifnet *ifp = sc->sc_ifp; 1220173362Sbenjsc 1221173362Sbenjsc pci_write_config(dev, 0x41, 0, 1); 1222173362Sbenjsc 1223173362Sbenjsc if (ifp->if_flags & IFF_UP) { 1224173362Sbenjsc wpi_init(ifp->if_softc); 1225173362Sbenjsc if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1226173362Sbenjsc wpi_start(ifp); 1227173362Sbenjsc } 1228173362Sbenjsc return 0; 1229173362Sbenjsc} 1230173362Sbenjsc 1231173362Sbenjsc/** 1232173362Sbenjsc * Called by net80211 when ever there is a change to 80211 state machine 1233173362Sbenjsc */ 1234173362Sbenjscstatic int 1235178354Ssamwpi_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1236173362Sbenjsc{ 1237178354Ssam struct wpi_vap *wvp = WPI_VAP(vap); 1238178354Ssam struct ieee80211com *ic = vap->iv_ic; 1239173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 1240173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 1241178354Ssam int error; 1242173362Sbenjsc 1243178354Ssam DPRINTF(("%s: %s -> %s flags 0x%x\n", __func__, 1244178354Ssam ieee80211_state_name[vap->iv_state], 1245178354Ssam ieee80211_state_name[nstate], sc->flags)); 1246173362Sbenjsc 1247191746Sthompsa IEEE80211_UNLOCK(ic); 1248191746Sthompsa WPI_LOCK(sc); 1249178354Ssam if (nstate == IEEE80211_S_AUTH) { 1250191746Sthompsa /* The node must be registered in the firmware before auth */ 1251191746Sthompsa error = wpi_auth(sc, vap); 1252191746Sthompsa if (error != 0) { 1253191746Sthompsa device_printf(sc->sc_dev, 1254191746Sthompsa "%s: could not move to auth state, error %d\n", 1255191746Sthompsa __func__, error); 1256191746Sthompsa } 1257173362Sbenjsc } 1258178354Ssam if (nstate == IEEE80211_S_RUN && vap->iv_state != IEEE80211_S_RUN) { 1259191746Sthompsa error = wpi_run(sc, vap); 1260191746Sthompsa if (error != 0) { 1261191746Sthompsa device_printf(sc->sc_dev, 1262191746Sthompsa "%s: could not move to run state, error %d\n", 1263191746Sthompsa __func__, error); 1264191746Sthompsa } 1265178354Ssam } 1266178354Ssam if (nstate == IEEE80211_S_RUN) { 1267178354Ssam /* RUN -> RUN transition; just restart the timers */ 1268178354Ssam wpi_calib_timeout(sc); 1269178354Ssam /* XXX split out rate control timer */ 1270178354Ssam } 1271191746Sthompsa WPI_UNLOCK(sc); 1272191746Sthompsa IEEE80211_LOCK(ic); 1273178354Ssam return wvp->newstate(vap, nstate, arg); 1274173362Sbenjsc} 1275173362Sbenjsc 1276173362Sbenjsc/* 1277173362Sbenjsc * Grab exclusive access to NIC memory. 1278173362Sbenjsc */ 1279173362Sbenjscstatic void 1280173362Sbenjscwpi_mem_lock(struct wpi_softc *sc) 1281173362Sbenjsc{ 1282173362Sbenjsc int ntries; 1283173362Sbenjsc uint32_t tmp; 1284173362Sbenjsc 1285173362Sbenjsc tmp = WPI_READ(sc, WPI_GPIO_CTL); 1286173362Sbenjsc WPI_WRITE(sc, WPI_GPIO_CTL, tmp | WPI_GPIO_MAC); 1287173362Sbenjsc 1288173362Sbenjsc /* spin until we actually get the lock */ 1289173362Sbenjsc for (ntries = 0; ntries < 100; ntries++) { 1290173362Sbenjsc if ((WPI_READ(sc, WPI_GPIO_CTL) & 1291173362Sbenjsc (WPI_GPIO_CLOCK | WPI_GPIO_SLEEP)) == WPI_GPIO_CLOCK) 1292173362Sbenjsc break; 1293173362Sbenjsc DELAY(10); 1294173362Sbenjsc } 1295173362Sbenjsc if (ntries == 100) 1296173362Sbenjsc device_printf(sc->sc_dev, "could not lock memory\n"); 1297173362Sbenjsc} 1298173362Sbenjsc 1299173362Sbenjsc/* 1300173362Sbenjsc * Release lock on NIC memory. 1301173362Sbenjsc */ 1302173362Sbenjscstatic void 1303173362Sbenjscwpi_mem_unlock(struct wpi_softc *sc) 1304173362Sbenjsc{ 1305173362Sbenjsc uint32_t tmp = WPI_READ(sc, WPI_GPIO_CTL); 1306173362Sbenjsc WPI_WRITE(sc, WPI_GPIO_CTL, tmp & ~WPI_GPIO_MAC); 1307173362Sbenjsc} 1308173362Sbenjsc 1309173362Sbenjscstatic uint32_t 1310173362Sbenjscwpi_mem_read(struct wpi_softc *sc, uint16_t addr) 1311173362Sbenjsc{ 1312173362Sbenjsc WPI_WRITE(sc, WPI_READ_MEM_ADDR, WPI_MEM_4 | addr); 1313173362Sbenjsc return WPI_READ(sc, WPI_READ_MEM_DATA); 1314173362Sbenjsc} 1315173362Sbenjsc 1316173362Sbenjscstatic void 1317173362Sbenjscwpi_mem_write(struct wpi_softc *sc, uint16_t addr, uint32_t data) 1318173362Sbenjsc{ 1319173362Sbenjsc WPI_WRITE(sc, WPI_WRITE_MEM_ADDR, WPI_MEM_4 | addr); 1320173362Sbenjsc WPI_WRITE(sc, WPI_WRITE_MEM_DATA, data); 1321173362Sbenjsc} 1322173362Sbenjsc 1323173362Sbenjscstatic void 1324173362Sbenjscwpi_mem_write_region_4(struct wpi_softc *sc, uint16_t addr, 1325173362Sbenjsc const uint32_t *data, int wlen) 1326173362Sbenjsc{ 1327173362Sbenjsc for (; wlen > 0; wlen--, data++, addr+=4) 1328173362Sbenjsc wpi_mem_write(sc, addr, *data); 1329173362Sbenjsc} 1330173362Sbenjsc 1331173362Sbenjsc/* 1332173362Sbenjsc * Read data from the EEPROM. We access EEPROM through the MAC instead of 1333173362Sbenjsc * using the traditional bit-bang method. Data is read up until len bytes have 1334173362Sbenjsc * been obtained. 1335173362Sbenjsc */ 1336173362Sbenjscstatic uint16_t 1337173362Sbenjscwpi_read_prom_data(struct wpi_softc *sc, uint32_t addr, void *data, int len) 1338173362Sbenjsc{ 1339173362Sbenjsc int ntries; 1340173362Sbenjsc uint32_t val; 1341173362Sbenjsc uint8_t *out = data; 1342173362Sbenjsc 1343173362Sbenjsc wpi_mem_lock(sc); 1344173362Sbenjsc 1345173362Sbenjsc for (; len > 0; len -= 2, addr++) { 1346173362Sbenjsc WPI_WRITE(sc, WPI_EEPROM_CTL, addr << 2); 1347173362Sbenjsc 1348173362Sbenjsc for (ntries = 0; ntries < 10; ntries++) { 1349173362Sbenjsc if ((val = WPI_READ(sc, WPI_EEPROM_CTL)) & WPI_EEPROM_READY) 1350173362Sbenjsc break; 1351173362Sbenjsc DELAY(5); 1352173362Sbenjsc } 1353173362Sbenjsc 1354173362Sbenjsc if (ntries == 10) { 1355173362Sbenjsc device_printf(sc->sc_dev, "could not read EEPROM\n"); 1356173362Sbenjsc return ETIMEDOUT; 1357173362Sbenjsc } 1358173362Sbenjsc 1359173362Sbenjsc *out++= val >> 16; 1360173362Sbenjsc if (len > 1) 1361173362Sbenjsc *out ++= val >> 24; 1362173362Sbenjsc } 1363173362Sbenjsc 1364173362Sbenjsc wpi_mem_unlock(sc); 1365173362Sbenjsc 1366173362Sbenjsc return 0; 1367173362Sbenjsc} 1368173362Sbenjsc 1369173362Sbenjsc/* 1370173362Sbenjsc * The firmware text and data segments are transferred to the NIC using DMA. 1371173362Sbenjsc * The driver just copies the firmware into DMA-safe memory and tells the NIC 1372173362Sbenjsc * where to find it. Once the NIC has copied the firmware into its internal 1373173362Sbenjsc * memory, we can free our local copy in the driver. 1374173362Sbenjsc */ 1375173362Sbenjscstatic int 1376173362Sbenjscwpi_load_microcode(struct wpi_softc *sc, const uint8_t *fw, int size) 1377173362Sbenjsc{ 1378173362Sbenjsc int error, ntries; 1379173362Sbenjsc 1380173362Sbenjsc DPRINTFN(WPI_DEBUG_HW,("Loading microcode size 0x%x\n", size)); 1381173362Sbenjsc 1382173362Sbenjsc size /= sizeof(uint32_t); 1383173362Sbenjsc 1384173362Sbenjsc wpi_mem_lock(sc); 1385173362Sbenjsc 1386173362Sbenjsc wpi_mem_write_region_4(sc, WPI_MEM_UCODE_BASE, 1387173362Sbenjsc (const uint32_t *)fw, size); 1388173362Sbenjsc 1389173362Sbenjsc wpi_mem_write(sc, WPI_MEM_UCODE_SRC, 0); 1390173362Sbenjsc wpi_mem_write(sc, WPI_MEM_UCODE_DST, WPI_FW_TEXT); 1391173362Sbenjsc wpi_mem_write(sc, WPI_MEM_UCODE_SIZE, size); 1392173362Sbenjsc 1393173362Sbenjsc /* run microcode */ 1394173362Sbenjsc wpi_mem_write(sc, WPI_MEM_UCODE_CTL, WPI_UC_RUN); 1395173362Sbenjsc 1396173362Sbenjsc /* wait while the adapter is busy copying the firmware */ 1397173362Sbenjsc for (error = 0, ntries = 0; ntries < 1000; ntries++) { 1398173362Sbenjsc uint32_t status = WPI_READ(sc, WPI_TX_STATUS); 1399173362Sbenjsc DPRINTFN(WPI_DEBUG_HW, 1400173362Sbenjsc ("firmware status=0x%x, val=0x%x, result=0x%x\n", status, 1401173362Sbenjsc WPI_TX_IDLE(6), status & WPI_TX_IDLE(6))); 1402173362Sbenjsc if (status & WPI_TX_IDLE(6)) { 1403173362Sbenjsc DPRINTFN(WPI_DEBUG_HW, 1404173362Sbenjsc ("Status Match! - ntries = %d\n", ntries)); 1405173362Sbenjsc break; 1406173362Sbenjsc } 1407173362Sbenjsc DELAY(10); 1408173362Sbenjsc } 1409173362Sbenjsc if (ntries == 1000) { 1410173362Sbenjsc device_printf(sc->sc_dev, "timeout transferring firmware\n"); 1411173362Sbenjsc error = ETIMEDOUT; 1412173362Sbenjsc } 1413173362Sbenjsc 1414173362Sbenjsc /* start the microcode executing */ 1415173362Sbenjsc wpi_mem_write(sc, WPI_MEM_UCODE_CTL, WPI_UC_ENABLE); 1416173362Sbenjsc 1417173362Sbenjsc wpi_mem_unlock(sc); 1418173362Sbenjsc 1419173362Sbenjsc return (error); 1420173362Sbenjsc} 1421173362Sbenjsc 1422173362Sbenjscstatic void 1423173362Sbenjscwpi_rx_intr(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1424173362Sbenjsc struct wpi_rx_data *data) 1425173362Sbenjsc{ 1426178354Ssam struct ifnet *ifp = sc->sc_ifp; 1427178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1428173362Sbenjsc struct wpi_rx_ring *ring = &sc->rxq; 1429173362Sbenjsc struct wpi_rx_stat *stat; 1430173362Sbenjsc struct wpi_rx_head *head; 1431173362Sbenjsc struct wpi_rx_tail *tail; 1432173362Sbenjsc struct ieee80211_node *ni; 1433173362Sbenjsc struct mbuf *m, *mnew; 1434177043Sthompsa bus_addr_t paddr; 1435177043Sthompsa int error; 1436173362Sbenjsc 1437173362Sbenjsc stat = (struct wpi_rx_stat *)(desc + 1); 1438173362Sbenjsc 1439173362Sbenjsc if (stat->len > WPI_STAT_MAXLEN) { 1440173362Sbenjsc device_printf(sc->sc_dev, "invalid rx statistic header\n"); 1441173362Sbenjsc ifp->if_ierrors++; 1442173362Sbenjsc return; 1443173362Sbenjsc } 1444173362Sbenjsc 1445173362Sbenjsc head = (struct wpi_rx_head *)((caddr_t)(stat + 1) + stat->len); 1446173362Sbenjsc tail = (struct wpi_rx_tail *)((caddr_t)(head + 1) + le16toh(head->len)); 1447173362Sbenjsc 1448173362Sbenjsc DPRINTFN(WPI_DEBUG_RX, ("rx intr: idx=%d len=%d stat len=%d rssi=%d " 1449173362Sbenjsc "rate=%x chan=%d tstamp=%ju\n", ring->cur, le32toh(desc->len), 1450173362Sbenjsc le16toh(head->len), (int8_t)stat->rssi, head->rate, head->chan, 1451173362Sbenjsc (uintmax_t)le64toh(tail->tstamp))); 1452173362Sbenjsc 1453190458Sjmallett /* discard Rx frames with bad CRC early */ 1454190458Sjmallett if ((le32toh(tail->flags) & WPI_RX_NOERROR) != WPI_RX_NOERROR) { 1455190458Sjmallett DPRINTFN(WPI_DEBUG_RX, ("%s: rx flags error %x\n", __func__, 1456190458Sjmallett le32toh(tail->flags))); 1457190458Sjmallett ifp->if_ierrors++; 1458190458Sjmallett return; 1459190458Sjmallett } 1460190458Sjmallett if (le16toh(head->len) < sizeof (struct ieee80211_frame)) { 1461190458Sjmallett DPRINTFN(WPI_DEBUG_RX, ("%s: frame too short: %d\n", __func__, 1462190458Sjmallett le16toh(head->len))); 1463190458Sjmallett ifp->if_ierrors++; 1464190458Sjmallett return; 1465190458Sjmallett } 1466190458Sjmallett 1467177043Sthompsa /* XXX don't need mbuf, just dma buffer */ 1468177043Sthompsa mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1469177043Sthompsa if (mnew == NULL) { 1470177043Sthompsa DPRINTFN(WPI_DEBUG_RX, ("%s: no mbuf to restock ring\n", 1471177043Sthompsa __func__)); 1472177043Sthompsa ifp->if_ierrors++; 1473177043Sthompsa return; 1474177043Sthompsa } 1475177043Sthompsa error = bus_dmamap_load(ring->data_dmat, data->map, 1476177043Sthompsa mtod(mnew, caddr_t), MJUMPAGESIZE, 1477177043Sthompsa wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 1478177043Sthompsa if (error != 0 && error != EFBIG) { 1479177043Sthompsa device_printf(sc->sc_dev, 1480177043Sthompsa "%s: bus_dmamap_load failed, error %d\n", __func__, error); 1481177043Sthompsa m_freem(mnew); 1482177043Sthompsa ifp->if_ierrors++; 1483177043Sthompsa return; 1484177043Sthompsa } 1485177043Sthompsa bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); 1486177043Sthompsa 1487177043Sthompsa /* finalize mbuf and swap in new one */ 1488173362Sbenjsc m = data->m; 1489173362Sbenjsc m->m_pkthdr.rcvif = ifp; 1490173362Sbenjsc m->m_data = (caddr_t)(head + 1); 1491173362Sbenjsc m->m_pkthdr.len = m->m_len = le16toh(head->len); 1492173362Sbenjsc 1493177043Sthompsa data->m = mnew; 1494177043Sthompsa /* update Rx descriptor */ 1495177043Sthompsa ring->desc[ring->cur] = htole32(paddr); 1496173362Sbenjsc 1497192468Ssam if (ieee80211_radiotap_active(ic)) { 1498173362Sbenjsc struct wpi_rx_radiotap_header *tap = &sc->sc_rxtap; 1499173362Sbenjsc 1500173362Sbenjsc tap->wr_flags = 0; 1501173362Sbenjsc tap->wr_chan_freq = 1502173362Sbenjsc htole16(ic->ic_channels[head->chan].ic_freq); 1503173362Sbenjsc tap->wr_chan_flags = 1504173362Sbenjsc htole16(ic->ic_channels[head->chan].ic_flags); 1505173362Sbenjsc tap->wr_dbm_antsignal = (int8_t)(stat->rssi - WPI_RSSI_OFFSET); 1506173362Sbenjsc tap->wr_dbm_antnoise = (int8_t)le16toh(stat->noise); 1507173362Sbenjsc tap->wr_tsft = tail->tstamp; 1508173362Sbenjsc tap->wr_antenna = (le16toh(head->flags) >> 4) & 0xf; 1509173362Sbenjsc switch (head->rate) { 1510173362Sbenjsc /* CCK rates */ 1511173362Sbenjsc case 10: tap->wr_rate = 2; break; 1512173362Sbenjsc case 20: tap->wr_rate = 4; break; 1513173362Sbenjsc case 55: tap->wr_rate = 11; break; 1514173362Sbenjsc case 110: tap->wr_rate = 22; break; 1515173362Sbenjsc /* OFDM rates */ 1516173362Sbenjsc case 0xd: tap->wr_rate = 12; break; 1517173362Sbenjsc case 0xf: tap->wr_rate = 18; break; 1518173362Sbenjsc case 0x5: tap->wr_rate = 24; break; 1519173362Sbenjsc case 0x7: tap->wr_rate = 36; break; 1520173362Sbenjsc case 0x9: tap->wr_rate = 48; break; 1521173362Sbenjsc case 0xb: tap->wr_rate = 72; break; 1522173362Sbenjsc case 0x1: tap->wr_rate = 96; break; 1523173362Sbenjsc case 0x3: tap->wr_rate = 108; break; 1524173362Sbenjsc /* unknown rate: should not happen */ 1525173362Sbenjsc default: tap->wr_rate = 0; 1526173362Sbenjsc } 1527173362Sbenjsc if (le16toh(head->flags) & 0x4) 1528173362Sbenjsc tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 1529173362Sbenjsc } 1530173362Sbenjsc 1531173362Sbenjsc WPI_UNLOCK(sc); 1532173362Sbenjsc 1533177043Sthompsa ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *)); 1534178354Ssam if (ni != NULL) { 1535192468Ssam (void) ieee80211_input(ni, m, stat->rssi, 0); 1536178354Ssam ieee80211_free_node(ni); 1537178354Ssam } else 1538192468Ssam (void) ieee80211_input_all(ic, m, stat->rssi, 0); 1539173362Sbenjsc 1540173362Sbenjsc WPI_LOCK(sc); 1541173362Sbenjsc} 1542173362Sbenjsc 1543173362Sbenjscstatic void 1544173362Sbenjscwpi_tx_intr(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1545173362Sbenjsc{ 1546178354Ssam struct ifnet *ifp = sc->sc_ifp; 1547173362Sbenjsc struct wpi_tx_ring *ring = &sc->txq[desc->qid & 0x3]; 1548173362Sbenjsc struct wpi_tx_data *txdata = &ring->data[desc->idx]; 1549173362Sbenjsc struct wpi_tx_stat *stat = (struct wpi_tx_stat *)(desc + 1); 1550206358Srpaulo struct ieee80211_node *ni = txdata->ni; 1551206358Srpaulo struct ieee80211vap *vap = ni->ni_vap; 1552206358Srpaulo int retrycnt = 0; 1553173362Sbenjsc 1554173362Sbenjsc DPRINTFN(WPI_DEBUG_TX, ("tx done: qid=%d idx=%d retries=%d nkill=%d " 1555173362Sbenjsc "rate=%x duration=%d status=%x\n", desc->qid, desc->idx, 1556173362Sbenjsc stat->ntries, stat->nkill, stat->rate, le32toh(stat->duration), 1557173362Sbenjsc le32toh(stat->status))); 1558173362Sbenjsc 1559173362Sbenjsc /* 1560173362Sbenjsc * Update rate control statistics for the node. 1561173362Sbenjsc * XXX we should not count mgmt frames since they're always sent at 1562173362Sbenjsc * the lowest available bit-rate. 1563173362Sbenjsc * XXX frames w/o ACK shouldn't be used either 1564173362Sbenjsc */ 1565173362Sbenjsc if (stat->ntries > 0) { 1566190462Sjmallett DPRINTFN(WPI_DEBUG_TX, ("%d retries\n", stat->ntries)); 1567206358Srpaulo retrycnt = 1; 1568173362Sbenjsc } 1569206358Srpaulo ieee80211_ratectl_tx_complete(vap, ni, IEEE80211_RATECTL_TX_SUCCESS, 1570206358Srpaulo &retrycnt, NULL); 1571173362Sbenjsc 1572173362Sbenjsc /* XXX oerrors should only count errors !maxtries */ 1573173362Sbenjsc if ((le32toh(stat->status) & 0xff) != 1) 1574173362Sbenjsc ifp->if_oerrors++; 1575173362Sbenjsc else 1576173362Sbenjsc ifp->if_opackets++; 1577173362Sbenjsc 1578173362Sbenjsc bus_dmamap_sync(ring->data_dmat, txdata->map, BUS_DMASYNC_POSTWRITE); 1579173362Sbenjsc bus_dmamap_unload(ring->data_dmat, txdata->map); 1580173362Sbenjsc /* XXX handle M_TXCB? */ 1581173362Sbenjsc m_freem(txdata->m); 1582173362Sbenjsc txdata->m = NULL; 1583173362Sbenjsc ieee80211_free_node(txdata->ni); 1584173362Sbenjsc txdata->ni = NULL; 1585173362Sbenjsc 1586173362Sbenjsc ring->queued--; 1587173362Sbenjsc 1588173362Sbenjsc sc->sc_tx_timer = 0; 1589173362Sbenjsc ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1590178354Ssam wpi_start_locked(ifp); 1591173362Sbenjsc} 1592173362Sbenjsc 1593173362Sbenjscstatic void 1594173362Sbenjscwpi_cmd_intr(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1595173362Sbenjsc{ 1596173362Sbenjsc struct wpi_tx_ring *ring = &sc->cmdq; 1597173362Sbenjsc struct wpi_tx_data *data; 1598173362Sbenjsc 1599173362Sbenjsc DPRINTFN(WPI_DEBUG_CMD, ("cmd notification qid=%x idx=%d flags=%x " 1600173362Sbenjsc "type=%s len=%d\n", desc->qid, desc->idx, 1601173362Sbenjsc desc->flags, wpi_cmd_str(desc->type), 1602173362Sbenjsc le32toh(desc->len))); 1603173362Sbenjsc 1604173362Sbenjsc if ((desc->qid & 7) != 4) 1605173362Sbenjsc return; /* not a command ack */ 1606173362Sbenjsc 1607173362Sbenjsc data = &ring->data[desc->idx]; 1608173362Sbenjsc 1609173362Sbenjsc /* if the command was mapped in a mbuf, free it */ 1610173362Sbenjsc if (data->m != NULL) { 1611173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1612173362Sbenjsc m_freem(data->m); 1613173362Sbenjsc data->m = NULL; 1614173362Sbenjsc } 1615173362Sbenjsc 1616173362Sbenjsc sc->flags &= ~WPI_FLAG_BUSY; 1617173362Sbenjsc wakeup(&ring->cmd[desc->idx]); 1618173362Sbenjsc} 1619173362Sbenjsc 1620173362Sbenjscstatic void 1621173362Sbenjscwpi_notif_intr(struct wpi_softc *sc) 1622173362Sbenjsc{ 1623178354Ssam struct ifnet *ifp = sc->sc_ifp; 1624178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1625173362Sbenjsc struct wpi_rx_desc *desc; 1626173362Sbenjsc struct wpi_rx_data *data; 1627173362Sbenjsc uint32_t hw; 1628173362Sbenjsc 1629173362Sbenjsc hw = le32toh(sc->shared->next); 1630173362Sbenjsc while (sc->rxq.cur != hw) { 1631173362Sbenjsc data = &sc->rxq.data[sc->rxq.cur]; 1632173362Sbenjsc desc = (void *)data->m->m_ext.ext_buf; 1633173362Sbenjsc 1634173362Sbenjsc DPRINTFN(WPI_DEBUG_NOTIFY, 1635173362Sbenjsc ("notify qid=%x idx=%d flags=%x type=%d len=%d\n", 1636173362Sbenjsc desc->qid, 1637173362Sbenjsc desc->idx, 1638173362Sbenjsc desc->flags, 1639173362Sbenjsc desc->type, 1640173362Sbenjsc le32toh(desc->len))); 1641173362Sbenjsc 1642173362Sbenjsc if (!(desc->qid & 0x80)) /* reply to a command */ 1643173362Sbenjsc wpi_cmd_intr(sc, desc); 1644173362Sbenjsc 1645173362Sbenjsc switch (desc->type) { 1646173362Sbenjsc case WPI_RX_DONE: 1647173362Sbenjsc /* a 802.11 frame was received */ 1648173362Sbenjsc wpi_rx_intr(sc, desc, data); 1649173362Sbenjsc break; 1650173362Sbenjsc 1651173362Sbenjsc case WPI_TX_DONE: 1652173362Sbenjsc /* a 802.11 frame has been transmitted */ 1653173362Sbenjsc wpi_tx_intr(sc, desc); 1654173362Sbenjsc break; 1655173362Sbenjsc 1656173362Sbenjsc case WPI_UC_READY: 1657173362Sbenjsc { 1658173362Sbenjsc struct wpi_ucode_info *uc = 1659173362Sbenjsc (struct wpi_ucode_info *)(desc + 1); 1660173362Sbenjsc 1661173362Sbenjsc /* the microcontroller is ready */ 1662173362Sbenjsc DPRINTF(("microcode alive notification version %x " 1663173362Sbenjsc "alive %x\n", le32toh(uc->version), 1664173362Sbenjsc le32toh(uc->valid))); 1665173362Sbenjsc 1666173362Sbenjsc if (le32toh(uc->valid) != 1) { 1667173362Sbenjsc device_printf(sc->sc_dev, 1668173362Sbenjsc "microcontroller initialization failed\n"); 1669173362Sbenjsc wpi_stop_locked(sc); 1670173362Sbenjsc } 1671173362Sbenjsc break; 1672173362Sbenjsc } 1673173362Sbenjsc case WPI_STATE_CHANGED: 1674173362Sbenjsc { 1675173362Sbenjsc uint32_t *status = (uint32_t *)(desc + 1); 1676173362Sbenjsc 1677173362Sbenjsc /* enabled/disabled notification */ 1678173362Sbenjsc DPRINTF(("state changed to %x\n", le32toh(*status))); 1679173362Sbenjsc 1680173362Sbenjsc if (le32toh(*status) & 1) { 1681173362Sbenjsc device_printf(sc->sc_dev, 1682173362Sbenjsc "Radio transmitter is switched off\n"); 1683173362Sbenjsc sc->flags |= WPI_FLAG_HW_RADIO_OFF; 1684177043Sthompsa ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 1685177043Sthompsa /* Disable firmware commands */ 1686177043Sthompsa WPI_WRITE(sc, WPI_UCODE_SET, WPI_DISABLE_CMD); 1687173362Sbenjsc } 1688173362Sbenjsc break; 1689173362Sbenjsc } 1690173362Sbenjsc case WPI_START_SCAN: 1691173362Sbenjsc { 1692179957Sthompsa#ifdef WPI_DEBUG 1693173362Sbenjsc struct wpi_start_scan *scan = 1694173362Sbenjsc (struct wpi_start_scan *)(desc + 1); 1695179957Sthompsa#endif 1696173362Sbenjsc 1697173362Sbenjsc DPRINTFN(WPI_DEBUG_SCANNING, 1698173362Sbenjsc ("scanning channel %d status %x\n", 1699173362Sbenjsc scan->chan, le32toh(scan->status))); 1700173362Sbenjsc break; 1701173362Sbenjsc } 1702173362Sbenjsc case WPI_STOP_SCAN: 1703173362Sbenjsc { 1704179957Sthompsa#ifdef WPI_DEBUG 1705173362Sbenjsc struct wpi_stop_scan *scan = 1706173362Sbenjsc (struct wpi_stop_scan *)(desc + 1); 1707179957Sthompsa#endif 1708178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1709173362Sbenjsc 1710173362Sbenjsc DPRINTFN(WPI_DEBUG_SCANNING, 1711173362Sbenjsc ("scan finished nchan=%d status=%d chan=%d\n", 1712173362Sbenjsc scan->nchan, scan->status, scan->chan)); 1713173362Sbenjsc 1714177043Sthompsa sc->sc_scan_timer = 0; 1715178354Ssam ieee80211_scan_next(vap); 1716173362Sbenjsc break; 1717173362Sbenjsc } 1718173976Sbenjsc case WPI_MISSED_BEACON: 1719173976Sbenjsc { 1720178354Ssam struct wpi_missed_beacon *beacon = 1721173976Sbenjsc (struct wpi_missed_beacon *)(desc + 1); 1722178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1723173976Sbenjsc 1724178354Ssam if (le32toh(beacon->consecutive) >= 1725178354Ssam vap->iv_bmissthreshold) { 1726178354Ssam DPRINTF(("Beacon miss: %u >= %u\n", 1727178354Ssam le32toh(beacon->consecutive), 1728178354Ssam vap->iv_bmissthreshold)); 1729191746Sthompsa ieee80211_beacon_miss(ic); 1730178354Ssam } 1731178354Ssam break; 1732173362Sbenjsc } 1733173976Sbenjsc } 1734173362Sbenjsc 1735173362Sbenjsc sc->rxq.cur = (sc->rxq.cur + 1) % WPI_RX_RING_COUNT; 1736173362Sbenjsc } 1737173362Sbenjsc 1738173362Sbenjsc /* tell the firmware what we have processed */ 1739173362Sbenjsc hw = (hw == 0) ? WPI_RX_RING_COUNT - 1 : hw - 1; 1740173362Sbenjsc WPI_WRITE(sc, WPI_RX_WIDX, hw & ~7); 1741173362Sbenjsc} 1742173362Sbenjsc 1743173362Sbenjscstatic void 1744173362Sbenjscwpi_intr(void *arg) 1745173362Sbenjsc{ 1746173362Sbenjsc struct wpi_softc *sc = arg; 1747173362Sbenjsc uint32_t r; 1748173362Sbenjsc 1749173362Sbenjsc WPI_LOCK(sc); 1750173362Sbenjsc 1751173362Sbenjsc r = WPI_READ(sc, WPI_INTR); 1752173362Sbenjsc if (r == 0 || r == 0xffffffff) { 1753173362Sbenjsc WPI_UNLOCK(sc); 1754173362Sbenjsc return; 1755173362Sbenjsc } 1756173362Sbenjsc 1757173362Sbenjsc /* disable interrupts */ 1758173362Sbenjsc WPI_WRITE(sc, WPI_MASK, 0); 1759173362Sbenjsc /* ack interrupts */ 1760173362Sbenjsc WPI_WRITE(sc, WPI_INTR, r); 1761173362Sbenjsc 1762173362Sbenjsc if (r & (WPI_SW_ERROR | WPI_HW_ERROR)) { 1763191746Sthompsa struct ifnet *ifp = sc->sc_ifp; 1764191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 1765191956Sthompsa struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1766191746Sthompsa 1767173362Sbenjsc device_printf(sc->sc_dev, "fatal firmware error\n"); 1768173362Sbenjsc DPRINTFN(6,("(%s)\n", (r & WPI_SW_ERROR) ? "(Software Error)" : 1769173362Sbenjsc "(Hardware Error)")); 1770191956Sthompsa if (vap != NULL) 1771191956Sthompsa ieee80211_cancel_scan(vap); 1772191746Sthompsa ieee80211_runtask(ic, &sc->sc_restarttask); 1773173362Sbenjsc sc->flags &= ~WPI_FLAG_BUSY; 1774173362Sbenjsc WPI_UNLOCK(sc); 1775173362Sbenjsc return; 1776173362Sbenjsc } 1777173362Sbenjsc 1778173362Sbenjsc if (r & WPI_RX_INTR) 1779173362Sbenjsc wpi_notif_intr(sc); 1780173362Sbenjsc 1781173362Sbenjsc if (r & WPI_ALIVE_INTR) /* firmware initialized */ 1782173362Sbenjsc wakeup(sc); 1783173362Sbenjsc 1784173362Sbenjsc /* re-enable interrupts */ 1785173362Sbenjsc if (sc->sc_ifp->if_flags & IFF_UP) 1786173362Sbenjsc WPI_WRITE(sc, WPI_MASK, WPI_INTR_MASK); 1787173362Sbenjsc 1788173362Sbenjsc WPI_UNLOCK(sc); 1789173362Sbenjsc} 1790173362Sbenjsc 1791173362Sbenjscstatic uint8_t 1792173362Sbenjscwpi_plcp_signal(int rate) 1793173362Sbenjsc{ 1794173362Sbenjsc switch (rate) { 1795173362Sbenjsc /* CCK rates (returned values are device-dependent) */ 1796173362Sbenjsc case 2: return 10; 1797173362Sbenjsc case 4: return 20; 1798173362Sbenjsc case 11: return 55; 1799173362Sbenjsc case 22: return 110; 1800173362Sbenjsc 1801173362Sbenjsc /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1802173362Sbenjsc /* R1-R4 (ral/ural is R4-R1) */ 1803173362Sbenjsc case 12: return 0xd; 1804173362Sbenjsc case 18: return 0xf; 1805173362Sbenjsc case 24: return 0x5; 1806173362Sbenjsc case 36: return 0x7; 1807173362Sbenjsc case 48: return 0x9; 1808173362Sbenjsc case 72: return 0xb; 1809173362Sbenjsc case 96: return 0x1; 1810173362Sbenjsc case 108: return 0x3; 1811173362Sbenjsc 1812173362Sbenjsc /* unsupported rates (should not get there) */ 1813173362Sbenjsc default: return 0; 1814173362Sbenjsc } 1815173362Sbenjsc} 1816173362Sbenjsc 1817173362Sbenjsc/* quickly determine if a given rate is CCK or OFDM */ 1818173362Sbenjsc#define WPI_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22) 1819173362Sbenjsc 1820173362Sbenjsc/* 1821173362Sbenjsc * Construct the data packet for a transmit buffer and acutally put 1822173362Sbenjsc * the buffer onto the transmit ring, kicking the card to process the 1823173362Sbenjsc * the buffer. 1824173362Sbenjsc */ 1825173362Sbenjscstatic int 1826173362Sbenjscwpi_tx_data(struct wpi_softc *sc, struct mbuf *m0, struct ieee80211_node *ni, 1827173362Sbenjsc int ac) 1828173362Sbenjsc{ 1829178354Ssam struct ieee80211vap *vap = ni->ni_vap; 1830178354Ssam struct ifnet *ifp = sc->sc_ifp; 1831178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1832177043Sthompsa const struct chanAccParams *cap = &ic->ic_wme.wme_chanParams; 1833173362Sbenjsc struct wpi_tx_ring *ring = &sc->txq[ac]; 1834173362Sbenjsc struct wpi_tx_desc *desc; 1835173362Sbenjsc struct wpi_tx_data *data; 1836173362Sbenjsc struct wpi_tx_cmd *cmd; 1837173362Sbenjsc struct wpi_cmd_data *tx; 1838173362Sbenjsc struct ieee80211_frame *wh; 1839178354Ssam const struct ieee80211_txparam *tp; 1840173362Sbenjsc struct ieee80211_key *k; 1841173362Sbenjsc struct mbuf *mnew; 1842177043Sthompsa int i, error, nsegs, rate, hdrlen, ismcast; 1843173362Sbenjsc bus_dma_segment_t segs[WPI_MAX_SCATTER]; 1844173362Sbenjsc 1845173362Sbenjsc desc = &ring->desc[ring->cur]; 1846173362Sbenjsc data = &ring->data[ring->cur]; 1847173362Sbenjsc 1848173362Sbenjsc wh = mtod(m0, struct ieee80211_frame *); 1849173362Sbenjsc 1850177043Sthompsa hdrlen = ieee80211_hdrsize(wh); 1851177043Sthompsa ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 1852173362Sbenjsc 1853173362Sbenjsc if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1854178354Ssam k = ieee80211_crypto_encap(ni, m0); 1855177043Sthompsa if (k == NULL) { 1856173362Sbenjsc m_freem(m0); 1857173362Sbenjsc return ENOBUFS; 1858173362Sbenjsc } 1859173362Sbenjsc /* packet header may have moved, reset our local pointer */ 1860173362Sbenjsc wh = mtod(m0, struct ieee80211_frame *); 1861173362Sbenjsc } 1862173362Sbenjsc 1863173362Sbenjsc cmd = &ring->cmd[ring->cur]; 1864173362Sbenjsc cmd->code = WPI_CMD_TX_DATA; 1865173362Sbenjsc cmd->flags = 0; 1866173362Sbenjsc cmd->qid = ring->qid; 1867173362Sbenjsc cmd->idx = ring->cur; 1868173362Sbenjsc 1869173362Sbenjsc tx = (struct wpi_cmd_data *)cmd->data; 1870177043Sthompsa tx->flags = htole32(WPI_TX_AUTO_SEQ); 1871178354Ssam tx->timeout = htole16(0); 1872177043Sthompsa tx->ofdm_mask = 0xff; 1873177043Sthompsa tx->cck_mask = 0x0f; 1874177043Sthompsa tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 1875177043Sthompsa tx->id = ismcast ? WPI_ID_BROADCAST : WPI_ID_BSS; 1876177043Sthompsa tx->len = htole16(m0->m_pkthdr.len); 1877173362Sbenjsc 1878177119Ssam if (!ismcast) { 1879177043Sthompsa if ((ni->ni_flags & IEEE80211_NODE_QOS) == 0 || 1880177043Sthompsa !cap->cap_wmeParams[ac].wmep_noackPolicy) 1881177043Sthompsa tx->flags |= htole32(WPI_TX_NEED_ACK); 1882178354Ssam if (m0->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) { 1883177043Sthompsa tx->flags |= htole32(WPI_TX_NEED_RTS|WPI_TX_FULL_TXOP); 1884177043Sthompsa tx->rts_ntries = 7; 1885177043Sthompsa } 1886173362Sbenjsc } 1887177043Sthompsa /* pick a rate */ 1888178354Ssam tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; 1889178354Ssam if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_MGT) { 1890173362Sbenjsc uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 1891173362Sbenjsc /* tell h/w to set timestamp in probe responses */ 1892173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 1893177043Sthompsa tx->flags |= htole32(WPI_TX_INSERT_TSTAMP); 1894173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 1895177043Sthompsa subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 1896173362Sbenjsc tx->timeout = htole16(3); 1897173362Sbenjsc else 1898173362Sbenjsc tx->timeout = htole16(2); 1899178354Ssam rate = tp->mgmtrate; 1900177043Sthompsa } else if (ismcast) { 1901178354Ssam rate = tp->mcastrate; 1902178354Ssam } else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) { 1903178354Ssam rate = tp->ucastrate; 1904177043Sthompsa } else { 1905206358Srpaulo (void) ieee80211_ratectl_rate(ni, NULL, 0); 1906178354Ssam rate = ni->ni_txrate; 1907177043Sthompsa } 1908173362Sbenjsc tx->rate = wpi_plcp_signal(rate); 1909173362Sbenjsc 1910173362Sbenjsc /* be very persistant at sending frames out */ 1911178354Ssam#if 0 1912178354Ssam tx->data_ntries = tp->maxretry; 1913178354Ssam#else 1914178354Ssam tx->data_ntries = 15; /* XXX way too high */ 1915178354Ssam#endif 1916173362Sbenjsc 1917192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 1918177043Sthompsa struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 1919177043Sthompsa tap->wt_flags = 0; 1920177043Sthompsa tap->wt_rate = rate; 1921177043Sthompsa tap->wt_hwqueue = ac; 1922177043Sthompsa if (wh->i_fc[1] & IEEE80211_FC1_WEP) 1923177043Sthompsa tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 1924178354Ssam 1925192468Ssam ieee80211_radiotap_tx(vap, m0); 1926177043Sthompsa } 1927173362Sbenjsc 1928173362Sbenjsc /* save and trim IEEE802.11 header */ 1929173362Sbenjsc m_copydata(m0, 0, hdrlen, (caddr_t)&tx->wh); 1930173362Sbenjsc m_adj(m0, hdrlen); 1931173362Sbenjsc 1932173362Sbenjsc error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, m0, segs, 1933173362Sbenjsc &nsegs, BUS_DMA_NOWAIT); 1934173362Sbenjsc if (error != 0 && error != EFBIG) { 1935173362Sbenjsc device_printf(sc->sc_dev, "could not map mbuf (error %d)\n", 1936173362Sbenjsc error); 1937173362Sbenjsc m_freem(m0); 1938173362Sbenjsc return error; 1939173362Sbenjsc } 1940173362Sbenjsc if (error != 0) { 1941175418Sjhb /* XXX use m_collapse */ 1942173362Sbenjsc mnew = m_defrag(m0, M_DONTWAIT); 1943173362Sbenjsc if (mnew == NULL) { 1944173362Sbenjsc device_printf(sc->sc_dev, 1945173362Sbenjsc "could not defragment mbuf\n"); 1946173362Sbenjsc m_freem(m0); 1947173362Sbenjsc return ENOBUFS; 1948173362Sbenjsc } 1949173362Sbenjsc m0 = mnew; 1950173362Sbenjsc 1951173362Sbenjsc error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, 1952173362Sbenjsc m0, segs, &nsegs, BUS_DMA_NOWAIT); 1953173362Sbenjsc if (error != 0) { 1954173362Sbenjsc device_printf(sc->sc_dev, 1955173362Sbenjsc "could not map mbuf (error %d)\n", error); 1956173362Sbenjsc m_freem(m0); 1957173362Sbenjsc return error; 1958173362Sbenjsc } 1959173362Sbenjsc } 1960173362Sbenjsc 1961173362Sbenjsc data->m = m0; 1962173362Sbenjsc data->ni = ni; 1963173362Sbenjsc 1964173362Sbenjsc DPRINTFN(WPI_DEBUG_TX, ("sending data: qid=%d idx=%d len=%d nsegs=%d\n", 1965173362Sbenjsc ring->qid, ring->cur, m0->m_pkthdr.len, nsegs)); 1966173362Sbenjsc 1967173362Sbenjsc /* first scatter/gather segment is used by the tx data command */ 1968173362Sbenjsc desc->flags = htole32(WPI_PAD32(m0->m_pkthdr.len) << 28 | 1969173362Sbenjsc (1 + nsegs) << 24); 1970173362Sbenjsc desc->segs[0].addr = htole32(ring->cmd_dma.paddr + 1971173362Sbenjsc ring->cur * sizeof (struct wpi_tx_cmd)); 1972173362Sbenjsc desc->segs[0].len = htole32(4 + sizeof (struct wpi_cmd_data)); 1973173362Sbenjsc for (i = 1; i <= nsegs; i++) { 1974173362Sbenjsc desc->segs[i].addr = htole32(segs[i - 1].ds_addr); 1975173362Sbenjsc desc->segs[i].len = htole32(segs[i - 1].ds_len); 1976173362Sbenjsc } 1977173362Sbenjsc 1978173362Sbenjsc bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); 1979173362Sbenjsc bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1980173362Sbenjsc BUS_DMASYNC_PREWRITE); 1981173362Sbenjsc 1982173362Sbenjsc ring->queued++; 1983173362Sbenjsc 1984173362Sbenjsc /* kick ring */ 1985173362Sbenjsc ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 1986173362Sbenjsc WPI_WRITE(sc, WPI_TX_WIDX, ring->qid << 8 | ring->cur); 1987173362Sbenjsc 1988173362Sbenjsc return 0; 1989173362Sbenjsc} 1990173362Sbenjsc 1991173362Sbenjsc/** 1992173362Sbenjsc * Process data waiting to be sent on the IFNET output queue 1993173362Sbenjsc */ 1994173362Sbenjscstatic void 1995173362Sbenjscwpi_start(struct ifnet *ifp) 1996173362Sbenjsc{ 1997173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 1998178354Ssam 1999178354Ssam WPI_LOCK(sc); 2000178354Ssam wpi_start_locked(ifp); 2001178354Ssam WPI_UNLOCK(sc); 2002178354Ssam} 2003178354Ssam 2004178354Ssamstatic void 2005178354Ssamwpi_start_locked(struct ifnet *ifp) 2006178354Ssam{ 2007178354Ssam struct wpi_softc *sc = ifp->if_softc; 2008173362Sbenjsc struct ieee80211_node *ni; 2009178354Ssam struct mbuf *m; 2010178354Ssam int ac; 2011173362Sbenjsc 2012178354Ssam WPI_LOCK_ASSERT(sc); 2013178354Ssam 2014177043Sthompsa if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2015177043Sthompsa return; 2016173362Sbenjsc 2017173362Sbenjsc for (;;) { 2018190458Sjmallett IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2019178354Ssam if (m == NULL) 2020178354Ssam break; 2021178354Ssam ac = M_WME_GETAC(m); 2022178354Ssam if (sc->txq[ac].queued > sc->txq[ac].count - 8) { 2023178354Ssam /* there is no place left in this ring */ 2024178354Ssam IFQ_DRV_PREPEND(&ifp->if_snd, m); 2025178354Ssam ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2026178354Ssam break; 2027178354Ssam } 2028178354Ssam ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; 2029178354Ssam if (wpi_tx_data(sc, m, ni, ac) != 0) { 2030178354Ssam ieee80211_free_node(ni); 2031178354Ssam ifp->if_oerrors++; 2032178354Ssam break; 2033178354Ssam } 2034178354Ssam sc->sc_tx_timer = 5; 2035178354Ssam } 2036178354Ssam} 2037173362Sbenjsc 2038178354Ssamstatic int 2039178354Ssamwpi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2040178354Ssam const struct ieee80211_bpf_params *params) 2041178354Ssam{ 2042178354Ssam struct ieee80211com *ic = ni->ni_ic; 2043178354Ssam struct ifnet *ifp = ic->ic_ifp; 2044178354Ssam struct wpi_softc *sc = ifp->if_softc; 2045173362Sbenjsc 2046178354Ssam /* prevent management frames from being sent if we're not ready */ 2047178354Ssam if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2048178354Ssam m_freem(m); 2049178354Ssam ieee80211_free_node(ni); 2050178354Ssam return ENETDOWN; 2051178354Ssam } 2052178354Ssam WPI_LOCK(sc); 2053173362Sbenjsc 2054178354Ssam /* management frames go into ring 0 */ 2055178354Ssam if (sc->txq[0].queued > sc->txq[0].count - 8) { 2056178354Ssam ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2057178354Ssam m_freem(m); 2058178354Ssam WPI_UNLOCK(sc); 2059178354Ssam ieee80211_free_node(ni); 2060178354Ssam return ENOBUFS; /* XXX */ 2061178354Ssam } 2062173362Sbenjsc 2063178354Ssam ifp->if_opackets++; 2064178354Ssam if (wpi_tx_data(sc, m, ni, 0) != 0) 2065178354Ssam goto bad; 2066178354Ssam sc->sc_tx_timer = 5; 2067178354Ssam callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 2068173362Sbenjsc 2069178354Ssam WPI_UNLOCK(sc); 2070178354Ssam return 0; 2071178354Ssambad: 2072178354Ssam ifp->if_oerrors++; 2073178354Ssam WPI_UNLOCK(sc); 2074178354Ssam ieee80211_free_node(ni); 2075178354Ssam return EIO; /* XXX */ 2076173362Sbenjsc} 2077173362Sbenjsc 2078173362Sbenjscstatic int 2079173362Sbenjscwpi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 2080173362Sbenjsc{ 2081173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2082178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2083178354Ssam struct ifreq *ifr = (struct ifreq *) data; 2084178354Ssam int error = 0, startall = 0; 2085173362Sbenjsc 2086173362Sbenjsc switch (cmd) { 2087173362Sbenjsc case SIOCSIFFLAGS: 2088178704Sthompsa WPI_LOCK(sc); 2089173362Sbenjsc if ((ifp->if_flags & IFF_UP)) { 2090178354Ssam if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2091177043Sthompsa wpi_init_locked(sc, 0); 2092178354Ssam startall = 1; 2093178354Ssam } 2094177043Sthompsa } else if ((ifp->if_drv_flags & IFF_DRV_RUNNING) || 2095177043Sthompsa (sc->flags & WPI_FLAG_HW_RADIO_OFF)) 2096173362Sbenjsc wpi_stop_locked(sc); 2097178704Sthompsa WPI_UNLOCK(sc); 2098178704Sthompsa if (startall) 2099178704Sthompsa ieee80211_start_all(ic); 2100173362Sbenjsc break; 2101178354Ssam case SIOCGIFMEDIA: 2102178354Ssam error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2103178354Ssam break; 2104178704Sthompsa case SIOCGIFADDR: 2105178354Ssam error = ether_ioctl(ifp, cmd, data); 2106178354Ssam break; 2107178704Sthompsa default: 2108178704Sthompsa error = EINVAL; 2109178704Sthompsa break; 2110173362Sbenjsc } 2111173362Sbenjsc return error; 2112173362Sbenjsc} 2113173362Sbenjsc 2114173362Sbenjsc/* 2115173362Sbenjsc * Extract various information from EEPROM. 2116173362Sbenjsc */ 2117173362Sbenjscstatic void 2118190526Ssamwpi_read_eeprom(struct wpi_softc *sc, uint8_t macaddr[IEEE80211_ADDR_LEN]) 2119173362Sbenjsc{ 2120173362Sbenjsc int i; 2121173362Sbenjsc 2122173362Sbenjsc /* read the hardware capabilities, revision and SKU type */ 2123173362Sbenjsc wpi_read_prom_data(sc, WPI_EEPROM_CAPABILITIES, &sc->cap,1); 2124173362Sbenjsc wpi_read_prom_data(sc, WPI_EEPROM_REVISION, &sc->rev,2); 2125173362Sbenjsc wpi_read_prom_data(sc, WPI_EEPROM_TYPE, &sc->type, 1); 2126173362Sbenjsc 2127173362Sbenjsc /* read the regulatory domain */ 2128173362Sbenjsc wpi_read_prom_data(sc, WPI_EEPROM_DOMAIN, sc->domain, 4); 2129173362Sbenjsc 2130173362Sbenjsc /* read in the hw MAC address */ 2131190526Ssam wpi_read_prom_data(sc, WPI_EEPROM_MAC, macaddr, 6); 2132173362Sbenjsc 2133173362Sbenjsc /* read the list of authorized channels */ 2134173362Sbenjsc for (i = 0; i < WPI_CHAN_BANDS_COUNT; i++) 2135173362Sbenjsc wpi_read_eeprom_channels(sc,i); 2136173362Sbenjsc 2137173362Sbenjsc /* read the power level calibration info for each group */ 2138173362Sbenjsc for (i = 0; i < WPI_POWER_GROUPS_COUNT; i++) 2139173362Sbenjsc wpi_read_eeprom_group(sc,i); 2140173362Sbenjsc} 2141173362Sbenjsc 2142173362Sbenjsc/* 2143173362Sbenjsc * Send a command to the firmware. 2144173362Sbenjsc */ 2145173362Sbenjscstatic int 2146173362Sbenjscwpi_cmd(struct wpi_softc *sc, int code, const void *buf, int size, int async) 2147173362Sbenjsc{ 2148173362Sbenjsc struct wpi_tx_ring *ring = &sc->cmdq; 2149173362Sbenjsc struct wpi_tx_desc *desc; 2150173362Sbenjsc struct wpi_tx_cmd *cmd; 2151173362Sbenjsc 2152173362Sbenjsc#ifdef WPI_DEBUG 2153173362Sbenjsc if (!async) { 2154173362Sbenjsc WPI_LOCK_ASSERT(sc); 2155173362Sbenjsc } 2156173362Sbenjsc#endif 2157173362Sbenjsc 2158173362Sbenjsc DPRINTFN(WPI_DEBUG_CMD,("wpi_cmd %d size %d async %d\n", code, size, 2159173362Sbenjsc async)); 2160173362Sbenjsc 2161173362Sbenjsc if (sc->flags & WPI_FLAG_BUSY) { 2162173362Sbenjsc device_printf(sc->sc_dev, "%s: cmd %d not sent, busy\n", 2163173362Sbenjsc __func__, code); 2164173362Sbenjsc return EAGAIN; 2165173362Sbenjsc } 2166173362Sbenjsc sc->flags|= WPI_FLAG_BUSY; 2167173362Sbenjsc 2168173362Sbenjsc KASSERT(size <= sizeof cmd->data, ("command %d too large: %d bytes", 2169173362Sbenjsc code, size)); 2170173362Sbenjsc 2171173362Sbenjsc desc = &ring->desc[ring->cur]; 2172173362Sbenjsc cmd = &ring->cmd[ring->cur]; 2173173362Sbenjsc 2174173362Sbenjsc cmd->code = code; 2175173362Sbenjsc cmd->flags = 0; 2176173362Sbenjsc cmd->qid = ring->qid; 2177173362Sbenjsc cmd->idx = ring->cur; 2178173362Sbenjsc memcpy(cmd->data, buf, size); 2179173362Sbenjsc 2180173362Sbenjsc desc->flags = htole32(WPI_PAD32(size) << 28 | 1 << 24); 2181173362Sbenjsc desc->segs[0].addr = htole32(ring->cmd_dma.paddr + 2182173362Sbenjsc ring->cur * sizeof (struct wpi_tx_cmd)); 2183173362Sbenjsc desc->segs[0].len = htole32(4 + size); 2184173362Sbenjsc 2185173362Sbenjsc /* kick cmd ring */ 2186173362Sbenjsc ring->cur = (ring->cur + 1) % WPI_CMD_RING_COUNT; 2187173362Sbenjsc WPI_WRITE(sc, WPI_TX_WIDX, ring->qid << 8 | ring->cur); 2188173362Sbenjsc 2189173362Sbenjsc if (async) { 2190173362Sbenjsc sc->flags &= ~ WPI_FLAG_BUSY; 2191173362Sbenjsc return 0; 2192173362Sbenjsc } 2193173362Sbenjsc 2194173362Sbenjsc return msleep(cmd, &sc->sc_mtx, PCATCH, "wpicmd", hz); 2195173362Sbenjsc} 2196173362Sbenjsc 2197173362Sbenjscstatic int 2198173362Sbenjscwpi_wme_update(struct ieee80211com *ic) 2199173362Sbenjsc{ 2200173362Sbenjsc#define WPI_EXP2(v) htole16((1 << (v)) - 1) 2201173362Sbenjsc#define WPI_USEC(v) htole16(IEEE80211_TXOP_TO_US(v)) 2202173362Sbenjsc struct wpi_softc *sc = ic->ic_ifp->if_softc; 2203173362Sbenjsc const struct wmeParams *wmep; 2204173362Sbenjsc struct wpi_wme_setup wme; 2205173362Sbenjsc int ac; 2206173362Sbenjsc 2207173362Sbenjsc /* don't override default WME values if WME is not actually enabled */ 2208173362Sbenjsc if (!(ic->ic_flags & IEEE80211_F_WME)) 2209173362Sbenjsc return 0; 2210173362Sbenjsc 2211173362Sbenjsc wme.flags = 0; 2212173362Sbenjsc for (ac = 0; ac < WME_NUM_AC; ac++) { 2213173362Sbenjsc wmep = &ic->ic_wme.wme_chanParams.cap_wmeParams[ac]; 2214173362Sbenjsc wme.ac[ac].aifsn = wmep->wmep_aifsn; 2215173362Sbenjsc wme.ac[ac].cwmin = WPI_EXP2(wmep->wmep_logcwmin); 2216173362Sbenjsc wme.ac[ac].cwmax = WPI_EXP2(wmep->wmep_logcwmax); 2217173362Sbenjsc wme.ac[ac].txop = WPI_USEC(wmep->wmep_txopLimit); 2218173362Sbenjsc 2219173362Sbenjsc DPRINTF(("setting WME for queue %d aifsn=%d cwmin=%d cwmax=%d " 2220173362Sbenjsc "txop=%d\n", ac, wme.ac[ac].aifsn, wme.ac[ac].cwmin, 2221173362Sbenjsc wme.ac[ac].cwmax, wme.ac[ac].txop)); 2222173362Sbenjsc } 2223173362Sbenjsc return wpi_cmd(sc, WPI_CMD_SET_WME, &wme, sizeof wme, 1); 2224173362Sbenjsc#undef WPI_USEC 2225173362Sbenjsc#undef WPI_EXP2 2226173362Sbenjsc} 2227173362Sbenjsc 2228173362Sbenjsc/* 2229173362Sbenjsc * Configure h/w multi-rate retries. 2230173362Sbenjsc */ 2231173362Sbenjscstatic int 2232173362Sbenjscwpi_mrr_setup(struct wpi_softc *sc) 2233173362Sbenjsc{ 2234178354Ssam struct ifnet *ifp = sc->sc_ifp; 2235178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2236173362Sbenjsc struct wpi_mrr_setup mrr; 2237173362Sbenjsc int i, error; 2238173362Sbenjsc 2239173362Sbenjsc memset(&mrr, 0, sizeof (struct wpi_mrr_setup)); 2240173362Sbenjsc 2241173362Sbenjsc /* CCK rates (not used with 802.11a) */ 2242173362Sbenjsc for (i = WPI_CCK1; i <= WPI_CCK11; i++) { 2243173362Sbenjsc mrr.rates[i].flags = 0; 2244173362Sbenjsc mrr.rates[i].signal = wpi_ridx_to_plcp[i]; 2245173362Sbenjsc /* fallback to the immediate lower CCK rate (if any) */ 2246173362Sbenjsc mrr.rates[i].next = (i == WPI_CCK1) ? WPI_CCK1 : i - 1; 2247173362Sbenjsc /* try one time at this rate before falling back to "next" */ 2248173362Sbenjsc mrr.rates[i].ntries = 1; 2249173362Sbenjsc } 2250173362Sbenjsc 2251173362Sbenjsc /* OFDM rates (not used with 802.11b) */ 2252173362Sbenjsc for (i = WPI_OFDM6; i <= WPI_OFDM54; i++) { 2253173362Sbenjsc mrr.rates[i].flags = 0; 2254173362Sbenjsc mrr.rates[i].signal = wpi_ridx_to_plcp[i]; 2255173362Sbenjsc /* fallback to the immediate lower OFDM rate (if any) */ 2256173362Sbenjsc /* we allow fallback from OFDM/6 to CCK/2 in 11b/g mode */ 2257173362Sbenjsc mrr.rates[i].next = (i == WPI_OFDM6) ? 2258173362Sbenjsc ((ic->ic_curmode == IEEE80211_MODE_11A) ? 2259173362Sbenjsc WPI_OFDM6 : WPI_CCK2) : 2260173362Sbenjsc i - 1; 2261173362Sbenjsc /* try one time at this rate before falling back to "next" */ 2262173362Sbenjsc mrr.rates[i].ntries = 1; 2263173362Sbenjsc } 2264173362Sbenjsc 2265173362Sbenjsc /* setup MRR for control frames */ 2266173362Sbenjsc mrr.which = htole32(WPI_MRR_CTL); 2267173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 2268173362Sbenjsc if (error != 0) { 2269173362Sbenjsc device_printf(sc->sc_dev, 2270173362Sbenjsc "could not setup MRR for control frames\n"); 2271173362Sbenjsc return error; 2272173362Sbenjsc } 2273173362Sbenjsc 2274173362Sbenjsc /* setup MRR for data frames */ 2275173362Sbenjsc mrr.which = htole32(WPI_MRR_DATA); 2276173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 2277173362Sbenjsc if (error != 0) { 2278173362Sbenjsc device_printf(sc->sc_dev, 2279173362Sbenjsc "could not setup MRR for data frames\n"); 2280173362Sbenjsc return error; 2281173362Sbenjsc } 2282173362Sbenjsc 2283173362Sbenjsc return 0; 2284173362Sbenjsc} 2285173362Sbenjsc 2286173362Sbenjscstatic void 2287173362Sbenjscwpi_set_led(struct wpi_softc *sc, uint8_t which, uint8_t off, uint8_t on) 2288173362Sbenjsc{ 2289173362Sbenjsc struct wpi_cmd_led led; 2290173362Sbenjsc 2291173362Sbenjsc led.which = which; 2292173362Sbenjsc led.unit = htole32(100000); /* on/off in unit of 100ms */ 2293173362Sbenjsc led.off = off; 2294173362Sbenjsc led.on = on; 2295173362Sbenjsc 2296173362Sbenjsc (void)wpi_cmd(sc, WPI_CMD_SET_LED, &led, sizeof led, 1); 2297173362Sbenjsc} 2298173362Sbenjsc 2299173362Sbenjscstatic void 2300173362Sbenjscwpi_enable_tsf(struct wpi_softc *sc, struct ieee80211_node *ni) 2301173362Sbenjsc{ 2302173362Sbenjsc struct wpi_cmd_tsf tsf; 2303173362Sbenjsc uint64_t val, mod; 2304173362Sbenjsc 2305173362Sbenjsc memset(&tsf, 0, sizeof tsf); 2306173362Sbenjsc memcpy(&tsf.tstamp, ni->ni_tstamp.data, 8); 2307173362Sbenjsc tsf.bintval = htole16(ni->ni_intval); 2308173362Sbenjsc tsf.lintval = htole16(10); 2309173362Sbenjsc 2310173362Sbenjsc /* compute remaining time until next beacon */ 2311173362Sbenjsc val = (uint64_t)ni->ni_intval * 1024; /* msec -> usec */ 2312173362Sbenjsc mod = le64toh(tsf.tstamp) % val; 2313173362Sbenjsc tsf.binitval = htole32((uint32_t)(val - mod)); 2314173362Sbenjsc 2315173362Sbenjsc if (wpi_cmd(sc, WPI_CMD_TSF, &tsf, sizeof tsf, 1) != 0) 2316173362Sbenjsc device_printf(sc->sc_dev, "could not enable TSF\n"); 2317173362Sbenjsc} 2318173362Sbenjsc 2319173362Sbenjsc#if 0 2320173362Sbenjsc/* 2321173362Sbenjsc * Build a beacon frame that the firmware will broadcast periodically in 2322173362Sbenjsc * IBSS or HostAP modes. 2323173362Sbenjsc */ 2324173362Sbenjscstatic int 2325173362Sbenjscwpi_setup_beacon(struct wpi_softc *sc, struct ieee80211_node *ni) 2326173362Sbenjsc{ 2327178354Ssam struct ifnet *ifp = sc->sc_ifp; 2328178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2329173362Sbenjsc struct wpi_tx_ring *ring = &sc->cmdq; 2330173362Sbenjsc struct wpi_tx_desc *desc; 2331173362Sbenjsc struct wpi_tx_data *data; 2332173362Sbenjsc struct wpi_tx_cmd *cmd; 2333173362Sbenjsc struct wpi_cmd_beacon *bcn; 2334173362Sbenjsc struct ieee80211_beacon_offsets bo; 2335173362Sbenjsc struct mbuf *m0; 2336173362Sbenjsc bus_addr_t physaddr; 2337173362Sbenjsc int error; 2338173362Sbenjsc 2339173362Sbenjsc desc = &ring->desc[ring->cur]; 2340173362Sbenjsc data = &ring->data[ring->cur]; 2341173362Sbenjsc 2342173362Sbenjsc m0 = ieee80211_beacon_alloc(ic, ni, &bo); 2343173362Sbenjsc if (m0 == NULL) { 2344173362Sbenjsc device_printf(sc->sc_dev, "could not allocate beacon frame\n"); 2345173362Sbenjsc return ENOMEM; 2346173362Sbenjsc } 2347173362Sbenjsc 2348173362Sbenjsc cmd = &ring->cmd[ring->cur]; 2349173362Sbenjsc cmd->code = WPI_CMD_SET_BEACON; 2350173362Sbenjsc cmd->flags = 0; 2351173362Sbenjsc cmd->qid = ring->qid; 2352173362Sbenjsc cmd->idx = ring->cur; 2353173362Sbenjsc 2354173362Sbenjsc bcn = (struct wpi_cmd_beacon *)cmd->data; 2355173362Sbenjsc memset(bcn, 0, sizeof (struct wpi_cmd_beacon)); 2356173362Sbenjsc bcn->id = WPI_ID_BROADCAST; 2357173362Sbenjsc bcn->ofdm_mask = 0xff; 2358173362Sbenjsc bcn->cck_mask = 0x0f; 2359173362Sbenjsc bcn->lifetime = htole32(WPI_LIFETIME_INFINITE); 2360173362Sbenjsc bcn->len = htole16(m0->m_pkthdr.len); 2361173362Sbenjsc bcn->rate = (ic->ic_curmode == IEEE80211_MODE_11A) ? 2362173362Sbenjsc wpi_plcp_signal(12) : wpi_plcp_signal(2); 2363173362Sbenjsc bcn->flags = htole32(WPI_TX_AUTO_SEQ | WPI_TX_INSERT_TSTAMP); 2364173362Sbenjsc 2365173362Sbenjsc /* save and trim IEEE802.11 header */ 2366173362Sbenjsc m_copydata(m0, 0, sizeof (struct ieee80211_frame), (caddr_t)&bcn->wh); 2367173362Sbenjsc m_adj(m0, sizeof (struct ieee80211_frame)); 2368173362Sbenjsc 2369173362Sbenjsc /* assume beacon frame is contiguous */ 2370173362Sbenjsc error = bus_dmamap_load(ring->data_dmat, data->map, mtod(m0, void *), 2371173362Sbenjsc m0->m_pkthdr.len, wpi_dma_map_addr, &physaddr, 0); 2372173362Sbenjsc if (error != 0) { 2373173362Sbenjsc device_printf(sc->sc_dev, "could not map beacon\n"); 2374173362Sbenjsc m_freem(m0); 2375173362Sbenjsc return error; 2376173362Sbenjsc } 2377173362Sbenjsc 2378173362Sbenjsc data->m = m0; 2379173362Sbenjsc 2380173362Sbenjsc /* first scatter/gather segment is used by the beacon command */ 2381173362Sbenjsc desc->flags = htole32(WPI_PAD32(m0->m_pkthdr.len) << 28 | 2 << 24); 2382173362Sbenjsc desc->segs[0].addr = htole32(ring->cmd_dma.paddr + 2383173362Sbenjsc ring->cur * sizeof (struct wpi_tx_cmd)); 2384173362Sbenjsc desc->segs[0].len = htole32(4 + sizeof (struct wpi_cmd_beacon)); 2385173362Sbenjsc desc->segs[1].addr = htole32(physaddr); 2386173362Sbenjsc desc->segs[1].len = htole32(m0->m_pkthdr.len); 2387173362Sbenjsc 2388173362Sbenjsc /* kick cmd ring */ 2389173362Sbenjsc ring->cur = (ring->cur + 1) % WPI_CMD_RING_COUNT; 2390173362Sbenjsc WPI_WRITE(sc, WPI_TX_WIDX, ring->qid << 8 | ring->cur); 2391173362Sbenjsc 2392173362Sbenjsc return 0; 2393173362Sbenjsc} 2394173362Sbenjsc#endif 2395173362Sbenjsc 2396173362Sbenjscstatic int 2397178354Ssamwpi_auth(struct wpi_softc *sc, struct ieee80211vap *vap) 2398173362Sbenjsc{ 2399178354Ssam struct ieee80211com *ic = vap->iv_ic; 2400178354Ssam struct ieee80211_node *ni = vap->iv_bss; 2401173362Sbenjsc struct wpi_node_info node; 2402173362Sbenjsc int error; 2403173362Sbenjsc 2404177043Sthompsa 2405173362Sbenjsc /* update adapter's configuration */ 2406177043Sthompsa sc->config.associd = 0; 2407177043Sthompsa sc->config.filter &= ~htole32(WPI_FILTER_BSS); 2408173362Sbenjsc IEEE80211_ADDR_COPY(sc->config.bssid, ni->ni_bssid); 2409173362Sbenjsc sc->config.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 2410173362Sbenjsc if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) { 2411173362Sbenjsc sc->config.flags |= htole32(WPI_CONFIG_AUTO | 2412173362Sbenjsc WPI_CONFIG_24GHZ); 2413173362Sbenjsc } 2414178354Ssam if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 2415173362Sbenjsc sc->config.cck_mask = 0; 2416173362Sbenjsc sc->config.ofdm_mask = 0x15; 2417178354Ssam } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 2418173362Sbenjsc sc->config.cck_mask = 0x03; 2419173362Sbenjsc sc->config.ofdm_mask = 0; 2420178354Ssam } else { 2421178354Ssam /* XXX assume 802.11b/g */ 2422173362Sbenjsc sc->config.cck_mask = 0x0f; 2423173362Sbenjsc sc->config.ofdm_mask = 0x15; 2424173362Sbenjsc } 2425173362Sbenjsc 2426173362Sbenjsc DPRINTF(("config chan %d flags %x cck %x ofdm %x\n", sc->config.chan, 2427173362Sbenjsc sc->config.flags, sc->config.cck_mask, sc->config.ofdm_mask)); 2428173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_CONFIGURE, &sc->config, 2429173362Sbenjsc sizeof (struct wpi_config), 1); 2430173362Sbenjsc if (error != 0) { 2431173362Sbenjsc device_printf(sc->sc_dev, "could not configure\n"); 2432173362Sbenjsc return error; 2433173362Sbenjsc } 2434173362Sbenjsc 2435173362Sbenjsc /* configuration has changed, set Tx power accordingly */ 2436173362Sbenjsc if ((error = wpi_set_txpower(sc, ni->ni_chan, 1)) != 0) { 2437173362Sbenjsc device_printf(sc->sc_dev, "could not set Tx power\n"); 2438173362Sbenjsc return error; 2439173362Sbenjsc } 2440173362Sbenjsc 2441173362Sbenjsc /* add default node */ 2442173362Sbenjsc memset(&node, 0, sizeof node); 2443173362Sbenjsc IEEE80211_ADDR_COPY(node.bssid, ni->ni_bssid); 2444173362Sbenjsc node.id = WPI_ID_BSS; 2445173362Sbenjsc node.rate = (ic->ic_curmode == IEEE80211_MODE_11A) ? 2446173362Sbenjsc wpi_plcp_signal(12) : wpi_plcp_signal(2); 2447173362Sbenjsc node.action = htole32(WPI_ACTION_SET_RATE); 2448173362Sbenjsc node.antenna = WPI_ANTENNA_BOTH; 2449173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 2450177043Sthompsa if (error != 0) 2451177043Sthompsa device_printf(sc->sc_dev, "could not add BSS node\n"); 2452177043Sthompsa 2453177043Sthompsa return (error); 2454177043Sthompsa} 2455177043Sthompsa 2456177043Sthompsastatic int 2457178354Ssamwpi_run(struct wpi_softc *sc, struct ieee80211vap *vap) 2458177043Sthompsa{ 2459178354Ssam struct ieee80211com *ic = vap->iv_ic; 2460178354Ssam struct ieee80211_node *ni = vap->iv_bss; 2461177043Sthompsa int error; 2462177043Sthompsa 2463178354Ssam if (vap->iv_opmode == IEEE80211_M_MONITOR) { 2464178354Ssam /* link LED blinks while monitoring */ 2465178354Ssam wpi_set_led(sc, WPI_LED_LINK, 5, 5); 2466178354Ssam return 0; 2467178354Ssam } 2468178354Ssam 2469177043Sthompsa wpi_enable_tsf(sc, ni); 2470177043Sthompsa 2471177043Sthompsa /* update adapter's configuration */ 2472177043Sthompsa sc->config.associd = htole16(ni->ni_associd & ~0xc000); 2473177043Sthompsa /* short preamble/slot time are negotiated when associating */ 2474177043Sthompsa sc->config.flags &= ~htole32(WPI_CONFIG_SHPREAMBLE | 2475177043Sthompsa WPI_CONFIG_SHSLOT); 2476177043Sthompsa if (ic->ic_flags & IEEE80211_F_SHSLOT) 2477177043Sthompsa sc->config.flags |= htole32(WPI_CONFIG_SHSLOT); 2478177043Sthompsa if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 2479177043Sthompsa sc->config.flags |= htole32(WPI_CONFIG_SHPREAMBLE); 2480177043Sthompsa sc->config.filter |= htole32(WPI_FILTER_BSS); 2481177043Sthompsa 2482177043Sthompsa /* XXX put somewhere HC_QOS_SUPPORT_ASSOC + HC_IBSS_START */ 2483177043Sthompsa 2484177043Sthompsa DPRINTF(("config chan %d flags %x\n", sc->config.chan, 2485177043Sthompsa sc->config.flags)); 2486177043Sthompsa error = wpi_cmd(sc, WPI_CMD_CONFIGURE, &sc->config, sizeof (struct 2487177043Sthompsa wpi_config), 1); 2488173362Sbenjsc if (error != 0) { 2489177043Sthompsa device_printf(sc->sc_dev, "could not update configuration\n"); 2490173362Sbenjsc return error; 2491173362Sbenjsc } 2492173362Sbenjsc 2493178354Ssam error = wpi_set_txpower(sc, ni->ni_chan, 1); 2494177043Sthompsa if (error != 0) { 2495177043Sthompsa device_printf(sc->sc_dev, "could set txpower\n"); 2496177043Sthompsa return error; 2497177043Sthompsa } 2498173362Sbenjsc 2499177043Sthompsa /* link LED always on while associated */ 2500177043Sthompsa wpi_set_led(sc, WPI_LED_LINK, 0, 1); 2501177043Sthompsa 2502177043Sthompsa /* start automatic rate control timer */ 2503178354Ssam callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 2504177043Sthompsa 2505177043Sthompsa return (error); 2506173362Sbenjsc} 2507173362Sbenjsc 2508173362Sbenjsc/* 2509173362Sbenjsc * Send a scan request to the firmware. Since this command is huge, we map it 2510173362Sbenjsc * into a mbufcluster instead of using the pre-allocated set of commands. Note, 2511173362Sbenjsc * much of this code is similar to that in wpi_cmd but because we must manually 2512173362Sbenjsc * construct the probe & channels, we duplicate what's needed here. XXX In the 2513173362Sbenjsc * future, this function should be modified to use wpi_cmd to help cleanup the 2514173362Sbenjsc * code base. 2515173362Sbenjsc */ 2516173362Sbenjscstatic int 2517173362Sbenjscwpi_scan(struct wpi_softc *sc) 2518173362Sbenjsc{ 2519178354Ssam struct ifnet *ifp = sc->sc_ifp; 2520178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2521177043Sthompsa struct ieee80211_scan_state *ss = ic->ic_scan; 2522173362Sbenjsc struct wpi_tx_ring *ring = &sc->cmdq; 2523173362Sbenjsc struct wpi_tx_desc *desc; 2524173362Sbenjsc struct wpi_tx_data *data; 2525173362Sbenjsc struct wpi_tx_cmd *cmd; 2526173362Sbenjsc struct wpi_scan_hdr *hdr; 2527173362Sbenjsc struct wpi_scan_chan *chan; 2528173362Sbenjsc struct ieee80211_frame *wh; 2529173362Sbenjsc struct ieee80211_rateset *rs; 2530173362Sbenjsc struct ieee80211_channel *c; 2531173362Sbenjsc enum ieee80211_phymode mode; 2532173362Sbenjsc uint8_t *frm; 2533177043Sthompsa int nrates, pktlen, error, i, nssid; 2534173362Sbenjsc bus_addr_t physaddr; 2535173362Sbenjsc 2536173362Sbenjsc desc = &ring->desc[ring->cur]; 2537173362Sbenjsc data = &ring->data[ring->cur]; 2538173362Sbenjsc 2539173362Sbenjsc data->m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 2540173362Sbenjsc if (data->m == NULL) { 2541173362Sbenjsc device_printf(sc->sc_dev, 2542173362Sbenjsc "could not allocate mbuf for scan command\n"); 2543173362Sbenjsc return ENOMEM; 2544173362Sbenjsc } 2545173362Sbenjsc 2546173362Sbenjsc cmd = mtod(data->m, struct wpi_tx_cmd *); 2547173362Sbenjsc cmd->code = WPI_CMD_SCAN; 2548173362Sbenjsc cmd->flags = 0; 2549173362Sbenjsc cmd->qid = ring->qid; 2550173362Sbenjsc cmd->idx = ring->cur; 2551173362Sbenjsc 2552173362Sbenjsc hdr = (struct wpi_scan_hdr *)cmd->data; 2553173362Sbenjsc memset(hdr, 0, sizeof(struct wpi_scan_hdr)); 2554173362Sbenjsc 2555173362Sbenjsc /* 2556173362Sbenjsc * Move to the next channel if no packets are received within 5 msecs 2557173362Sbenjsc * after sending the probe request (this helps to reduce the duration 2558173362Sbenjsc * of active scans). 2559173362Sbenjsc */ 2560173362Sbenjsc hdr->quiet = htole16(5); 2561173362Sbenjsc hdr->threshold = htole16(1); 2562173362Sbenjsc 2563173362Sbenjsc if (IEEE80211_IS_CHAN_A(ic->ic_curchan)) { 2564173362Sbenjsc /* send probe requests at 6Mbps */ 2565173362Sbenjsc hdr->tx.rate = wpi_ridx_to_plcp[WPI_OFDM6]; 2566173362Sbenjsc 2567173362Sbenjsc /* Enable crc checking */ 2568173362Sbenjsc hdr->promotion = htole16(1); 2569173362Sbenjsc } else { 2570173362Sbenjsc hdr->flags = htole32(WPI_CONFIG_24GHZ | WPI_CONFIG_AUTO); 2571173362Sbenjsc /* send probe requests at 1Mbps */ 2572173362Sbenjsc hdr->tx.rate = wpi_ridx_to_plcp[WPI_CCK1]; 2573173362Sbenjsc } 2574173362Sbenjsc hdr->tx.id = WPI_ID_BROADCAST; 2575173362Sbenjsc hdr->tx.lifetime = htole32(WPI_LIFETIME_INFINITE); 2576173362Sbenjsc hdr->tx.flags = htole32(WPI_TX_AUTO_SEQ); 2577173362Sbenjsc 2578178354Ssam memset(hdr->scan_essids, 0, sizeof(hdr->scan_essids)); 2579177043Sthompsa nssid = MIN(ss->ss_nssid, WPI_SCAN_MAX_ESSIDS); 2580178354Ssam for (i = 0; i < nssid; i++) { 2581177043Sthompsa hdr->scan_essids[i].id = IEEE80211_ELEMID_SSID; 2582177043Sthompsa hdr->scan_essids[i].esslen = MIN(ss->ss_ssid[i].len, 32); 2583177043Sthompsa memcpy(hdr->scan_essids[i].essid, ss->ss_ssid[i].ssid, 2584177043Sthompsa hdr->scan_essids[i].esslen); 2585179957Sthompsa#ifdef WPI_DEBUG 2586177043Sthompsa if (wpi_debug & WPI_DEBUG_SCANNING) { 2587177043Sthompsa printf("Scanning Essid: "); 2588178354Ssam ieee80211_print_essid(hdr->scan_essids[i].essid, 2589178354Ssam hdr->scan_essids[i].esslen); 2590177043Sthompsa printf("\n"); 2591177043Sthompsa } 2592179957Sthompsa#endif 2593173362Sbenjsc } 2594173362Sbenjsc 2595173362Sbenjsc /* 2596173362Sbenjsc * Build a probe request frame. Most of the following code is a 2597173362Sbenjsc * copy & paste of what is done in net80211. 2598173362Sbenjsc */ 2599173362Sbenjsc wh = (struct ieee80211_frame *)&hdr->scan_essids[4]; 2600173362Sbenjsc wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 2601173362Sbenjsc IEEE80211_FC0_SUBTYPE_PROBE_REQ; 2602173362Sbenjsc wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 2603173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr1, ifp->if_broadcastaddr); 2604190526Ssam IEEE80211_ADDR_COPY(wh->i_addr2, IF_LLADDR(ifp)); 2605173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr3, ifp->if_broadcastaddr); 2606173362Sbenjsc *(u_int16_t *)&wh->i_dur[0] = 0; /* filled by h/w */ 2607173362Sbenjsc *(u_int16_t *)&wh->i_seq[0] = 0; /* filled by h/w */ 2608173362Sbenjsc 2609173362Sbenjsc frm = (uint8_t *)(wh + 1); 2610173362Sbenjsc 2611173362Sbenjsc /* add essid IE, the hardware will fill this in for us */ 2612173362Sbenjsc *frm++ = IEEE80211_ELEMID_SSID; 2613173362Sbenjsc *frm++ = 0; 2614173362Sbenjsc 2615173362Sbenjsc mode = ieee80211_chan2mode(ic->ic_curchan); 2616173362Sbenjsc rs = &ic->ic_sup_rates[mode]; 2617173362Sbenjsc 2618173362Sbenjsc /* add supported rates IE */ 2619173362Sbenjsc *frm++ = IEEE80211_ELEMID_RATES; 2620173362Sbenjsc nrates = rs->rs_nrates; 2621173362Sbenjsc if (nrates > IEEE80211_RATE_SIZE) 2622173362Sbenjsc nrates = IEEE80211_RATE_SIZE; 2623173362Sbenjsc *frm++ = nrates; 2624173362Sbenjsc memcpy(frm, rs->rs_rates, nrates); 2625173362Sbenjsc frm += nrates; 2626173362Sbenjsc 2627173362Sbenjsc /* add supported xrates IE */ 2628173362Sbenjsc if (rs->rs_nrates > IEEE80211_RATE_SIZE) { 2629173362Sbenjsc nrates = rs->rs_nrates - IEEE80211_RATE_SIZE; 2630173362Sbenjsc *frm++ = IEEE80211_ELEMID_XRATES; 2631173362Sbenjsc *frm++ = nrates; 2632173362Sbenjsc memcpy(frm, rs->rs_rates + IEEE80211_RATE_SIZE, nrates); 2633173362Sbenjsc frm += nrates; 2634173362Sbenjsc } 2635173362Sbenjsc 2636173362Sbenjsc /* setup length of probe request */ 2637173362Sbenjsc hdr->tx.len = htole16(frm - (uint8_t *)wh); 2638173362Sbenjsc 2639173362Sbenjsc /* 2640173362Sbenjsc * Construct information about the channel that we 2641173362Sbenjsc * want to scan. The firmware expects this to be directly 2642173362Sbenjsc * after the scan probe request 2643173362Sbenjsc */ 2644173362Sbenjsc c = ic->ic_curchan; 2645173362Sbenjsc chan = (struct wpi_scan_chan *)frm; 2646173362Sbenjsc chan->chan = ieee80211_chan2ieee(ic, c); 2647173362Sbenjsc chan->flags = 0; 2648173362Sbenjsc if (!(c->ic_flags & IEEE80211_CHAN_PASSIVE)) { 2649173362Sbenjsc chan->flags |= WPI_CHAN_ACTIVE; 2650178354Ssam if (nssid != 0) 2651173362Sbenjsc chan->flags |= WPI_CHAN_DIRECT; 2652173362Sbenjsc } 2653173362Sbenjsc chan->gain_dsp = 0x6e; /* Default level */ 2654173362Sbenjsc if (IEEE80211_IS_CHAN_5GHZ(c)) { 2655173362Sbenjsc chan->active = htole16(10); 2656178354Ssam chan->passive = htole16(ss->ss_maxdwell); 2657173362Sbenjsc chan->gain_radio = 0x3b; 2658173362Sbenjsc } else { 2659173362Sbenjsc chan->active = htole16(20); 2660178354Ssam chan->passive = htole16(ss->ss_maxdwell); 2661173362Sbenjsc chan->gain_radio = 0x28; 2662173362Sbenjsc } 2663173362Sbenjsc 2664173362Sbenjsc DPRINTFN(WPI_DEBUG_SCANNING, 2665173362Sbenjsc ("Scanning %u Passive: %d\n", 2666173362Sbenjsc chan->chan, 2667173362Sbenjsc c->ic_flags & IEEE80211_CHAN_PASSIVE)); 2668173362Sbenjsc 2669173362Sbenjsc hdr->nchan++; 2670173362Sbenjsc chan++; 2671173362Sbenjsc 2672173362Sbenjsc frm += sizeof (struct wpi_scan_chan); 2673173362Sbenjsc#if 0 2674173362Sbenjsc // XXX All Channels.... 2675173362Sbenjsc for (c = &ic->ic_channels[1]; 2676173362Sbenjsc c <= &ic->ic_channels[IEEE80211_CHAN_MAX]; c++) { 2677173362Sbenjsc if ((c->ic_flags & ic->ic_curchan->ic_flags) != ic->ic_curchan->ic_flags) 2678173362Sbenjsc continue; 2679173362Sbenjsc 2680173362Sbenjsc chan->chan = ieee80211_chan2ieee(ic, c); 2681173362Sbenjsc chan->flags = 0; 2682173362Sbenjsc if (!(c->ic_flags & IEEE80211_CHAN_PASSIVE)) { 2683173362Sbenjsc chan->flags |= WPI_CHAN_ACTIVE; 2684173362Sbenjsc if (ic->ic_des_ssid[0].len != 0) 2685173362Sbenjsc chan->flags |= WPI_CHAN_DIRECT; 2686173362Sbenjsc } 2687173362Sbenjsc chan->gain_dsp = 0x6e; /* Default level */ 2688173362Sbenjsc if (IEEE80211_IS_CHAN_5GHZ(c)) { 2689173362Sbenjsc chan->active = htole16(10); 2690173362Sbenjsc chan->passive = htole16(110); 2691173362Sbenjsc chan->gain_radio = 0x3b; 2692173362Sbenjsc } else { 2693173362Sbenjsc chan->active = htole16(20); 2694173362Sbenjsc chan->passive = htole16(120); 2695173362Sbenjsc chan->gain_radio = 0x28; 2696173362Sbenjsc } 2697173362Sbenjsc 2698173362Sbenjsc DPRINTFN(WPI_DEBUG_SCANNING, 2699173362Sbenjsc ("Scanning %u Passive: %d\n", 2700173362Sbenjsc chan->chan, 2701173362Sbenjsc c->ic_flags & IEEE80211_CHAN_PASSIVE)); 2702173362Sbenjsc 2703173362Sbenjsc hdr->nchan++; 2704173362Sbenjsc chan++; 2705173362Sbenjsc 2706173362Sbenjsc frm += sizeof (struct wpi_scan_chan); 2707173362Sbenjsc } 2708173362Sbenjsc#endif 2709173362Sbenjsc 2710173362Sbenjsc hdr->len = htole16(frm - (uint8_t *)hdr); 2711173362Sbenjsc pktlen = frm - (uint8_t *)cmd; 2712173362Sbenjsc 2713173362Sbenjsc error = bus_dmamap_load(ring->data_dmat, data->map, cmd, pktlen, 2714173362Sbenjsc wpi_dma_map_addr, &physaddr, BUS_DMA_NOWAIT); 2715173362Sbenjsc if (error != 0) { 2716173362Sbenjsc device_printf(sc->sc_dev, "could not map scan command\n"); 2717173362Sbenjsc m_freem(data->m); 2718173362Sbenjsc data->m = NULL; 2719173362Sbenjsc return error; 2720173362Sbenjsc } 2721173362Sbenjsc 2722173362Sbenjsc desc->flags = htole32(WPI_PAD32(pktlen) << 28 | 1 << 24); 2723173362Sbenjsc desc->segs[0].addr = htole32(physaddr); 2724173362Sbenjsc desc->segs[0].len = htole32(pktlen); 2725173362Sbenjsc 2726173362Sbenjsc bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2727173362Sbenjsc BUS_DMASYNC_PREWRITE); 2728173362Sbenjsc bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); 2729173362Sbenjsc 2730173362Sbenjsc /* kick cmd ring */ 2731173362Sbenjsc ring->cur = (ring->cur + 1) % WPI_CMD_RING_COUNT; 2732173362Sbenjsc WPI_WRITE(sc, WPI_TX_WIDX, ring->qid << 8 | ring->cur); 2733173362Sbenjsc 2734177043Sthompsa sc->sc_scan_timer = 5; 2735173362Sbenjsc return 0; /* will be notified async. of failure/success */ 2736173362Sbenjsc} 2737173362Sbenjsc 2738173362Sbenjsc/** 2739173362Sbenjsc * Configure the card to listen to a particular channel, this transisions the 2740173362Sbenjsc * card in to being able to receive frames from remote devices. 2741173362Sbenjsc */ 2742173362Sbenjscstatic int 2743173362Sbenjscwpi_config(struct wpi_softc *sc) 2744173362Sbenjsc{ 2745178354Ssam struct ifnet *ifp = sc->sc_ifp; 2746178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2747173362Sbenjsc struct wpi_power power; 2748173362Sbenjsc struct wpi_bluetooth bluetooth; 2749173362Sbenjsc struct wpi_node_info node; 2750173362Sbenjsc int error; 2751173362Sbenjsc 2752173362Sbenjsc /* set power mode */ 2753173362Sbenjsc memset(&power, 0, sizeof power); 2754173362Sbenjsc power.flags = htole32(WPI_POWER_CAM|0x8); 2755173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_SET_POWER_MODE, &power, sizeof power, 0); 2756173362Sbenjsc if (error != 0) { 2757173362Sbenjsc device_printf(sc->sc_dev, "could not set power mode\n"); 2758173362Sbenjsc return error; 2759173362Sbenjsc } 2760173362Sbenjsc 2761173362Sbenjsc /* configure bluetooth coexistence */ 2762173362Sbenjsc memset(&bluetooth, 0, sizeof bluetooth); 2763173362Sbenjsc bluetooth.flags = 3; 2764173362Sbenjsc bluetooth.lead = 0xaa; 2765173362Sbenjsc bluetooth.kill = 1; 2766173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_BLUETOOTH, &bluetooth, sizeof bluetooth, 2767173362Sbenjsc 0); 2768173362Sbenjsc if (error != 0) { 2769173362Sbenjsc device_printf(sc->sc_dev, 2770173362Sbenjsc "could not configure bluetooth coexistence\n"); 2771173362Sbenjsc return error; 2772173362Sbenjsc } 2773173362Sbenjsc 2774173362Sbenjsc /* configure adapter */ 2775173362Sbenjsc memset(&sc->config, 0, sizeof (struct wpi_config)); 2776190526Ssam IEEE80211_ADDR_COPY(sc->config.myaddr, IF_LLADDR(ifp)); 2777173362Sbenjsc /*set default channel*/ 2778173362Sbenjsc sc->config.chan = htole16(ieee80211_chan2ieee(ic, ic->ic_curchan)); 2779173362Sbenjsc sc->config.flags = htole32(WPI_CONFIG_TSF); 2780173362Sbenjsc if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) { 2781173362Sbenjsc sc->config.flags |= htole32(WPI_CONFIG_AUTO | 2782173362Sbenjsc WPI_CONFIG_24GHZ); 2783173362Sbenjsc } 2784173362Sbenjsc sc->config.filter = 0; 2785173362Sbenjsc switch (ic->ic_opmode) { 2786173362Sbenjsc case IEEE80211_M_STA: 2787173362Sbenjsc case IEEE80211_M_WDS: /* No know setup, use STA for now */ 2788173362Sbenjsc sc->config.mode = WPI_MODE_STA; 2789173362Sbenjsc sc->config.filter |= htole32(WPI_FILTER_MULTICAST); 2790173362Sbenjsc break; 2791173362Sbenjsc case IEEE80211_M_IBSS: 2792173362Sbenjsc case IEEE80211_M_AHDEMO: 2793173362Sbenjsc sc->config.mode = WPI_MODE_IBSS; 2794173362Sbenjsc sc->config.filter |= htole32(WPI_FILTER_BEACON | 2795173362Sbenjsc WPI_FILTER_MULTICAST); 2796173362Sbenjsc break; 2797173362Sbenjsc case IEEE80211_M_HOSTAP: 2798173362Sbenjsc sc->config.mode = WPI_MODE_HOSTAP; 2799173362Sbenjsc break; 2800173362Sbenjsc case IEEE80211_M_MONITOR: 2801173362Sbenjsc sc->config.mode = WPI_MODE_MONITOR; 2802173362Sbenjsc sc->config.filter |= htole32(WPI_FILTER_MULTICAST | 2803173362Sbenjsc WPI_FILTER_CTL | WPI_FILTER_PROMISC); 2804173362Sbenjsc break; 2805195562Srpaulo default: 2806195562Srpaulo device_printf(sc->sc_dev, "unknown opmode %d\n", ic->ic_opmode); 2807195562Srpaulo return EINVAL; 2808173362Sbenjsc } 2809173362Sbenjsc sc->config.cck_mask = 0x0f; /* not yet negotiated */ 2810173362Sbenjsc sc->config.ofdm_mask = 0xff; /* not yet negotiated */ 2811173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_CONFIGURE, &sc->config, 2812173362Sbenjsc sizeof (struct wpi_config), 0); 2813173362Sbenjsc if (error != 0) { 2814173362Sbenjsc device_printf(sc->sc_dev, "configure command failed\n"); 2815173362Sbenjsc return error; 2816173362Sbenjsc } 2817173362Sbenjsc 2818173362Sbenjsc /* configuration has changed, set Tx power accordingly */ 2819177043Sthompsa if ((error = wpi_set_txpower(sc, ic->ic_curchan, 0)) != 0) { 2820173362Sbenjsc device_printf(sc->sc_dev, "could not set Tx power\n"); 2821173362Sbenjsc return error; 2822173362Sbenjsc } 2823173362Sbenjsc 2824173362Sbenjsc /* add broadcast node */ 2825173362Sbenjsc memset(&node, 0, sizeof node); 2826173362Sbenjsc IEEE80211_ADDR_COPY(node.bssid, ifp->if_broadcastaddr); 2827173362Sbenjsc node.id = WPI_ID_BROADCAST; 2828173362Sbenjsc node.rate = wpi_plcp_signal(2); 2829173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 0); 2830173362Sbenjsc if (error != 0) { 2831173362Sbenjsc device_printf(sc->sc_dev, "could not add broadcast node\n"); 2832173362Sbenjsc return error; 2833173362Sbenjsc } 2834173362Sbenjsc 2835173362Sbenjsc /* Setup rate scalling */ 2836173362Sbenjsc error = wpi_mrr_setup(sc); 2837173362Sbenjsc if (error != 0) { 2838173362Sbenjsc device_printf(sc->sc_dev, "could not setup MRR\n"); 2839173362Sbenjsc return error; 2840173362Sbenjsc } 2841173362Sbenjsc 2842173362Sbenjsc return 0; 2843173362Sbenjsc} 2844173362Sbenjsc 2845173362Sbenjscstatic void 2846173362Sbenjscwpi_stop_master(struct wpi_softc *sc) 2847173362Sbenjsc{ 2848173362Sbenjsc uint32_t tmp; 2849173362Sbenjsc int ntries; 2850173362Sbenjsc 2851173362Sbenjsc DPRINTFN(WPI_DEBUG_HW,("Disabling Firmware execution\n")); 2852173362Sbenjsc 2853173362Sbenjsc tmp = WPI_READ(sc, WPI_RESET); 2854173362Sbenjsc WPI_WRITE(sc, WPI_RESET, tmp | WPI_STOP_MASTER | WPI_NEVO_RESET); 2855173362Sbenjsc 2856173362Sbenjsc tmp = WPI_READ(sc, WPI_GPIO_CTL); 2857173362Sbenjsc if ((tmp & WPI_GPIO_PWR_STATUS) == WPI_GPIO_PWR_SLEEP) 2858173362Sbenjsc return; /* already asleep */ 2859173362Sbenjsc 2860173362Sbenjsc for (ntries = 0; ntries < 100; ntries++) { 2861173362Sbenjsc if (WPI_READ(sc, WPI_RESET) & WPI_MASTER_DISABLED) 2862173362Sbenjsc break; 2863173362Sbenjsc DELAY(10); 2864173362Sbenjsc } 2865173362Sbenjsc if (ntries == 100) { 2866173362Sbenjsc device_printf(sc->sc_dev, "timeout waiting for master\n"); 2867173362Sbenjsc } 2868173362Sbenjsc} 2869173362Sbenjsc 2870173362Sbenjscstatic int 2871173362Sbenjscwpi_power_up(struct wpi_softc *sc) 2872173362Sbenjsc{ 2873173362Sbenjsc uint32_t tmp; 2874173362Sbenjsc int ntries; 2875173362Sbenjsc 2876173362Sbenjsc wpi_mem_lock(sc); 2877173362Sbenjsc tmp = wpi_mem_read(sc, WPI_MEM_POWER); 2878173362Sbenjsc wpi_mem_write(sc, WPI_MEM_POWER, tmp & ~0x03000000); 2879173362Sbenjsc wpi_mem_unlock(sc); 2880173362Sbenjsc 2881173362Sbenjsc for (ntries = 0; ntries < 5000; ntries++) { 2882173362Sbenjsc if (WPI_READ(sc, WPI_GPIO_STATUS) & WPI_POWERED) 2883173362Sbenjsc break; 2884173362Sbenjsc DELAY(10); 2885173362Sbenjsc } 2886173362Sbenjsc if (ntries == 5000) { 2887173362Sbenjsc device_printf(sc->sc_dev, 2888173362Sbenjsc "timeout waiting for NIC to power up\n"); 2889173362Sbenjsc return ETIMEDOUT; 2890173362Sbenjsc } 2891173362Sbenjsc return 0; 2892173362Sbenjsc} 2893173362Sbenjsc 2894173362Sbenjscstatic int 2895173362Sbenjscwpi_reset(struct wpi_softc *sc) 2896173362Sbenjsc{ 2897173362Sbenjsc uint32_t tmp; 2898173362Sbenjsc int ntries; 2899173362Sbenjsc 2900173362Sbenjsc DPRINTFN(WPI_DEBUG_HW, 2901173362Sbenjsc ("Resetting the card - clearing any uploaded firmware\n")); 2902173362Sbenjsc 2903173362Sbenjsc /* clear any pending interrupts */ 2904173362Sbenjsc WPI_WRITE(sc, WPI_INTR, 0xffffffff); 2905173362Sbenjsc 2906173362Sbenjsc tmp = WPI_READ(sc, WPI_PLL_CTL); 2907173362Sbenjsc WPI_WRITE(sc, WPI_PLL_CTL, tmp | WPI_PLL_INIT); 2908173362Sbenjsc 2909173362Sbenjsc tmp = WPI_READ(sc, WPI_CHICKEN); 2910173362Sbenjsc WPI_WRITE(sc, WPI_CHICKEN, tmp | WPI_CHICKEN_RXNOLOS); 2911173362Sbenjsc 2912173362Sbenjsc tmp = WPI_READ(sc, WPI_GPIO_CTL); 2913173362Sbenjsc WPI_WRITE(sc, WPI_GPIO_CTL, tmp | WPI_GPIO_INIT); 2914173362Sbenjsc 2915173362Sbenjsc /* wait for clock stabilization */ 2916173362Sbenjsc for (ntries = 0; ntries < 25000; ntries++) { 2917173362Sbenjsc if (WPI_READ(sc, WPI_GPIO_CTL) & WPI_GPIO_CLOCK) 2918173362Sbenjsc break; 2919173362Sbenjsc DELAY(10); 2920173362Sbenjsc } 2921173362Sbenjsc if (ntries == 25000) { 2922173362Sbenjsc device_printf(sc->sc_dev, 2923173362Sbenjsc "timeout waiting for clock stabilization\n"); 2924173362Sbenjsc return ETIMEDOUT; 2925173362Sbenjsc } 2926173362Sbenjsc 2927173362Sbenjsc /* initialize EEPROM */ 2928173362Sbenjsc tmp = WPI_READ(sc, WPI_EEPROM_STATUS); 2929173362Sbenjsc 2930173362Sbenjsc if ((tmp & WPI_EEPROM_VERSION) == 0) { 2931173362Sbenjsc device_printf(sc->sc_dev, "EEPROM not found\n"); 2932173362Sbenjsc return EIO; 2933173362Sbenjsc } 2934173362Sbenjsc WPI_WRITE(sc, WPI_EEPROM_STATUS, tmp & ~WPI_EEPROM_LOCKED); 2935173362Sbenjsc 2936173362Sbenjsc return 0; 2937173362Sbenjsc} 2938173362Sbenjsc 2939173362Sbenjscstatic void 2940173362Sbenjscwpi_hw_config(struct wpi_softc *sc) 2941173362Sbenjsc{ 2942173362Sbenjsc uint32_t rev, hw; 2943173362Sbenjsc 2944173362Sbenjsc /* voodoo from the Linux "driver".. */ 2945173362Sbenjsc hw = WPI_READ(sc, WPI_HWCONFIG); 2946173362Sbenjsc 2947173362Sbenjsc rev = pci_read_config(sc->sc_dev, PCIR_REVID, 1); 2948173362Sbenjsc if ((rev & 0xc0) == 0x40) 2949173362Sbenjsc hw |= WPI_HW_ALM_MB; 2950173362Sbenjsc else if (!(rev & 0x80)) 2951173362Sbenjsc hw |= WPI_HW_ALM_MM; 2952173362Sbenjsc 2953173362Sbenjsc if (sc->cap == 0x80) 2954173362Sbenjsc hw |= WPI_HW_SKU_MRC; 2955173362Sbenjsc 2956173362Sbenjsc hw &= ~WPI_HW_REV_D; 2957173362Sbenjsc if ((le16toh(sc->rev) & 0xf0) == 0xd0) 2958173362Sbenjsc hw |= WPI_HW_REV_D; 2959173362Sbenjsc 2960173362Sbenjsc if (sc->type > 1) 2961173362Sbenjsc hw |= WPI_HW_TYPE_B; 2962173362Sbenjsc 2963173362Sbenjsc WPI_WRITE(sc, WPI_HWCONFIG, hw); 2964173362Sbenjsc} 2965173362Sbenjsc 2966173362Sbenjscstatic void 2967177043Sthompsawpi_rfkill_resume(struct wpi_softc *sc) 2968177043Sthompsa{ 2969177043Sthompsa struct ifnet *ifp = sc->sc_ifp; 2970178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2971178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2972177043Sthompsa int ntries; 2973177043Sthompsa 2974177043Sthompsa /* enable firmware again */ 2975177043Sthompsa WPI_WRITE(sc, WPI_UCODE_CLR, WPI_RADIO_OFF); 2976177043Sthompsa WPI_WRITE(sc, WPI_UCODE_CLR, WPI_DISABLE_CMD); 2977177043Sthompsa 2978177043Sthompsa /* wait for thermal sensors to calibrate */ 2979177043Sthompsa for (ntries = 0; ntries < 1000; ntries++) { 2980177043Sthompsa if ((sc->temp = (int)WPI_READ(sc, WPI_TEMPERATURE)) != 0) 2981177043Sthompsa break; 2982177043Sthompsa DELAY(10); 2983177043Sthompsa } 2984177043Sthompsa 2985177043Sthompsa if (ntries == 1000) { 2986177043Sthompsa device_printf(sc->sc_dev, 2987177043Sthompsa "timeout waiting for thermal calibration\n"); 2988177043Sthompsa WPI_UNLOCK(sc); 2989177043Sthompsa return; 2990177043Sthompsa } 2991177043Sthompsa DPRINTFN(WPI_DEBUG_TEMP,("temperature %d\n", sc->temp)); 2992177043Sthompsa 2993177043Sthompsa if (wpi_config(sc) != 0) { 2994177043Sthompsa device_printf(sc->sc_dev, "device config failed\n"); 2995177043Sthompsa WPI_UNLOCK(sc); 2996177043Sthompsa return; 2997177043Sthompsa } 2998177043Sthompsa 2999177043Sthompsa ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 3000177043Sthompsa ifp->if_drv_flags |= IFF_DRV_RUNNING; 3001177043Sthompsa sc->flags &= ~WPI_FLAG_HW_RADIO_OFF; 3002177043Sthompsa 3003178354Ssam if (vap != NULL) { 3004178354Ssam if ((ic->ic_flags & IEEE80211_F_SCAN) == 0) { 3005178354Ssam if (vap->iv_opmode != IEEE80211_M_MONITOR) { 3006191746Sthompsa ieee80211_beacon_miss(ic); 3007178354Ssam wpi_set_led(sc, WPI_LED_LINK, 0, 1); 3008178354Ssam } else 3009178354Ssam wpi_set_led(sc, WPI_LED_LINK, 5, 5); 3010178354Ssam } else { 3011178354Ssam ieee80211_scan_next(vap); 3012177043Sthompsa wpi_set_led(sc, WPI_LED_LINK, 20, 2); 3013178354Ssam } 3014177043Sthompsa } 3015177043Sthompsa 3016177043Sthompsa callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 3017177043Sthompsa} 3018177043Sthompsa 3019177043Sthompsastatic void 3020177043Sthompsawpi_init_locked(struct wpi_softc *sc, int force) 3021177043Sthompsa{ 3022178354Ssam struct ifnet *ifp = sc->sc_ifp; 3023173362Sbenjsc uint32_t tmp; 3024177043Sthompsa int ntries, qid; 3025173362Sbenjsc 3026173362Sbenjsc wpi_stop_locked(sc); 3027173362Sbenjsc (void)wpi_reset(sc); 3028173362Sbenjsc 3029173362Sbenjsc wpi_mem_lock(sc); 3030173362Sbenjsc wpi_mem_write(sc, WPI_MEM_CLOCK1, 0xa00); 3031173362Sbenjsc DELAY(20); 3032173362Sbenjsc tmp = wpi_mem_read(sc, WPI_MEM_PCIDEV); 3033173362Sbenjsc wpi_mem_write(sc, WPI_MEM_PCIDEV, tmp | 0x800); 3034173362Sbenjsc wpi_mem_unlock(sc); 3035173362Sbenjsc 3036173362Sbenjsc (void)wpi_power_up(sc); 3037173362Sbenjsc wpi_hw_config(sc); 3038173362Sbenjsc 3039173362Sbenjsc /* init Rx ring */ 3040173362Sbenjsc wpi_mem_lock(sc); 3041173362Sbenjsc WPI_WRITE(sc, WPI_RX_BASE, sc->rxq.desc_dma.paddr); 3042173362Sbenjsc WPI_WRITE(sc, WPI_RX_RIDX_PTR, sc->shared_dma.paddr + 3043173362Sbenjsc offsetof(struct wpi_shared, next)); 3044173362Sbenjsc WPI_WRITE(sc, WPI_RX_WIDX, (WPI_RX_RING_COUNT - 1) & ~7); 3045173362Sbenjsc WPI_WRITE(sc, WPI_RX_CONFIG, 0xa9601010); 3046173362Sbenjsc wpi_mem_unlock(sc); 3047173362Sbenjsc 3048173362Sbenjsc /* init Tx rings */ 3049173362Sbenjsc wpi_mem_lock(sc); 3050173362Sbenjsc wpi_mem_write(sc, WPI_MEM_MODE, 2); /* bypass mode */ 3051173362Sbenjsc wpi_mem_write(sc, WPI_MEM_RA, 1); /* enable RA0 */ 3052173362Sbenjsc wpi_mem_write(sc, WPI_MEM_TXCFG, 0x3f); /* enable all 6 Tx rings */ 3053173362Sbenjsc wpi_mem_write(sc, WPI_MEM_BYPASS1, 0x10000); 3054173362Sbenjsc wpi_mem_write(sc, WPI_MEM_BYPASS2, 0x30002); 3055173362Sbenjsc wpi_mem_write(sc, WPI_MEM_MAGIC4, 4); 3056173362Sbenjsc wpi_mem_write(sc, WPI_MEM_MAGIC5, 5); 3057173362Sbenjsc 3058173362Sbenjsc WPI_WRITE(sc, WPI_TX_BASE_PTR, sc->shared_dma.paddr); 3059173362Sbenjsc WPI_WRITE(sc, WPI_MSG_CONFIG, 0xffff05a5); 3060173362Sbenjsc 3061173362Sbenjsc for (qid = 0; qid < 6; qid++) { 3062173362Sbenjsc WPI_WRITE(sc, WPI_TX_CTL(qid), 0); 3063173362Sbenjsc WPI_WRITE(sc, WPI_TX_BASE(qid), 0); 3064173362Sbenjsc WPI_WRITE(sc, WPI_TX_CONFIG(qid), 0x80200008); 3065173362Sbenjsc } 3066173362Sbenjsc wpi_mem_unlock(sc); 3067173362Sbenjsc 3068173362Sbenjsc /* clear "radio off" and "disable command" bits (reversed logic) */ 3069173362Sbenjsc WPI_WRITE(sc, WPI_UCODE_CLR, WPI_RADIO_OFF); 3070173362Sbenjsc WPI_WRITE(sc, WPI_UCODE_CLR, WPI_DISABLE_CMD); 3071173362Sbenjsc sc->flags &= ~WPI_FLAG_HW_RADIO_OFF; 3072173362Sbenjsc 3073173362Sbenjsc /* clear any pending interrupts */ 3074173362Sbenjsc WPI_WRITE(sc, WPI_INTR, 0xffffffff); 3075173362Sbenjsc 3076173362Sbenjsc /* enable interrupts */ 3077173362Sbenjsc WPI_WRITE(sc, WPI_MASK, WPI_INTR_MASK); 3078173362Sbenjsc 3079173362Sbenjsc WPI_WRITE(sc, WPI_UCODE_CLR, WPI_RADIO_OFF); 3080173362Sbenjsc WPI_WRITE(sc, WPI_UCODE_CLR, WPI_RADIO_OFF); 3081173362Sbenjsc 3082177043Sthompsa if ((wpi_load_firmware(sc)) != 0) { 3083173362Sbenjsc device_printf(sc->sc_dev, 3084173362Sbenjsc "A problem occurred loading the firmware to the driver\n"); 3085173362Sbenjsc return; 3086173362Sbenjsc } 3087173362Sbenjsc 3088173362Sbenjsc /* At this point the firmware is up and running. If the hardware 3089173362Sbenjsc * RF switch is turned off thermal calibration will fail, though 3090173362Sbenjsc * the card is still happy to continue to accept commands, catch 3091177043Sthompsa * this case and schedule a task to watch for it to be turned on. 3092173362Sbenjsc */ 3093173362Sbenjsc wpi_mem_lock(sc); 3094173362Sbenjsc tmp = wpi_mem_read(sc, WPI_MEM_HW_RADIO_OFF); 3095173362Sbenjsc wpi_mem_unlock(sc); 3096173362Sbenjsc 3097173362Sbenjsc if (!(tmp & 0x1)) { 3098173362Sbenjsc sc->flags |= WPI_FLAG_HW_RADIO_OFF; 3099173362Sbenjsc device_printf(sc->sc_dev,"Radio Transmitter is switched off\n"); 3100177043Sthompsa goto out; 3101173362Sbenjsc } 3102173362Sbenjsc 3103173362Sbenjsc /* wait for thermal sensors to calibrate */ 3104173362Sbenjsc for (ntries = 0; ntries < 1000; ntries++) { 3105173362Sbenjsc if ((sc->temp = (int)WPI_READ(sc, WPI_TEMPERATURE)) != 0) 3106173362Sbenjsc break; 3107173362Sbenjsc DELAY(10); 3108173362Sbenjsc } 3109173362Sbenjsc 3110173362Sbenjsc if (ntries == 1000) { 3111173362Sbenjsc device_printf(sc->sc_dev, 3112173362Sbenjsc "timeout waiting for thermal sensors calibration\n"); 3113173362Sbenjsc return; 3114173362Sbenjsc } 3115173362Sbenjsc DPRINTFN(WPI_DEBUG_TEMP,("temperature %d\n", sc->temp)); 3116173362Sbenjsc 3117177043Sthompsa if (wpi_config(sc) != 0) { 3118177043Sthompsa device_printf(sc->sc_dev, "device config failed\n"); 3119177043Sthompsa return; 3120177043Sthompsa } 3121177043Sthompsa 3122173362Sbenjsc ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 3123173362Sbenjsc ifp->if_drv_flags |= IFF_DRV_RUNNING; 3124177043Sthompsaout: 3125177043Sthompsa callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 3126173362Sbenjsc} 3127173362Sbenjsc 3128173362Sbenjscstatic void 3129178354Ssamwpi_init(void *arg) 3130173362Sbenjsc{ 3131178354Ssam struct wpi_softc *sc = arg; 3132178354Ssam struct ifnet *ifp = sc->sc_ifp; 3133178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3134173362Sbenjsc 3135173362Sbenjsc WPI_LOCK(sc); 3136178354Ssam wpi_init_locked(sc, 0); 3137173362Sbenjsc WPI_UNLOCK(sc); 3138173362Sbenjsc 3139178354Ssam if (ifp->if_drv_flags & IFF_DRV_RUNNING) 3140178354Ssam ieee80211_start_all(ic); /* start all vaps */ 3141173362Sbenjsc} 3142178354Ssam 3143173362Sbenjscstatic void 3144173362Sbenjscwpi_stop_locked(struct wpi_softc *sc) 3145173362Sbenjsc{ 3146178354Ssam struct ifnet *ifp = sc->sc_ifp; 3147173362Sbenjsc uint32_t tmp; 3148173362Sbenjsc int ac; 3149173362Sbenjsc 3150177043Sthompsa sc->sc_tx_timer = 0; 3151177043Sthompsa sc->sc_scan_timer = 0; 3152173362Sbenjsc ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 3153177043Sthompsa sc->flags &= ~WPI_FLAG_HW_RADIO_OFF; 3154177043Sthompsa callout_stop(&sc->watchdog_to); 3155177043Sthompsa callout_stop(&sc->calib_to); 3156173362Sbenjsc 3157177043Sthompsa 3158173362Sbenjsc /* disable interrupts */ 3159173362Sbenjsc WPI_WRITE(sc, WPI_MASK, 0); 3160173362Sbenjsc WPI_WRITE(sc, WPI_INTR, WPI_INTR_MASK); 3161173362Sbenjsc WPI_WRITE(sc, WPI_INTR_STATUS, 0xff); 3162173362Sbenjsc WPI_WRITE(sc, WPI_INTR_STATUS, 0x00070000); 3163173362Sbenjsc 3164173362Sbenjsc wpi_mem_lock(sc); 3165173362Sbenjsc wpi_mem_write(sc, WPI_MEM_MODE, 0); 3166173362Sbenjsc wpi_mem_unlock(sc); 3167173362Sbenjsc 3168173362Sbenjsc /* reset all Tx rings */ 3169173362Sbenjsc for (ac = 0; ac < 4; ac++) 3170173362Sbenjsc wpi_reset_tx_ring(sc, &sc->txq[ac]); 3171173362Sbenjsc wpi_reset_tx_ring(sc, &sc->cmdq); 3172173362Sbenjsc 3173173362Sbenjsc /* reset Rx ring */ 3174173362Sbenjsc wpi_reset_rx_ring(sc, &sc->rxq); 3175173362Sbenjsc 3176173362Sbenjsc wpi_mem_lock(sc); 3177173362Sbenjsc wpi_mem_write(sc, WPI_MEM_CLOCK2, 0x200); 3178173362Sbenjsc wpi_mem_unlock(sc); 3179173362Sbenjsc 3180173362Sbenjsc DELAY(5); 3181173362Sbenjsc 3182173362Sbenjsc wpi_stop_master(sc); 3183173362Sbenjsc 3184173362Sbenjsc tmp = WPI_READ(sc, WPI_RESET); 3185173362Sbenjsc WPI_WRITE(sc, WPI_RESET, tmp | WPI_SW_RESET); 3186173362Sbenjsc sc->flags &= ~WPI_FLAG_BUSY; 3187173362Sbenjsc} 3188173362Sbenjsc 3189173362Sbenjscstatic void 3190178354Ssamwpi_stop(struct wpi_softc *sc) 3191173362Sbenjsc{ 3192178354Ssam WPI_LOCK(sc); 3193178354Ssam wpi_stop_locked(sc); 3194178354Ssam WPI_UNLOCK(sc); 3195173362Sbenjsc} 3196173362Sbenjsc 3197173362Sbenjscstatic void 3198173362Sbenjscwpi_calib_timeout(void *arg) 3199173362Sbenjsc{ 3200173362Sbenjsc struct wpi_softc *sc = arg; 3201178354Ssam struct ifnet *ifp = sc->sc_ifp; 3202178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3203178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3204173362Sbenjsc int temp; 3205173362Sbenjsc 3206178354Ssam if (vap->iv_state != IEEE80211_S_RUN) 3207177043Sthompsa return; 3208177043Sthompsa 3209173362Sbenjsc /* update sensor data */ 3210173362Sbenjsc temp = (int)WPI_READ(sc, WPI_TEMPERATURE); 3211173362Sbenjsc DPRINTFN(WPI_DEBUG_TEMP,("Temp in calibration is: %d\n", temp)); 3212173362Sbenjsc 3213178354Ssam wpi_power_calibration(sc, temp); 3214173362Sbenjsc 3215178354Ssam callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 3216173362Sbenjsc} 3217173362Sbenjsc 3218173362Sbenjsc/* 3219173362Sbenjsc * This function is called periodically (every 60 seconds) to adjust output 3220173362Sbenjsc * power to temperature changes. 3221173362Sbenjsc */ 3222173362Sbenjscstatic void 3223173362Sbenjscwpi_power_calibration(struct wpi_softc *sc, int temp) 3224173362Sbenjsc{ 3225178354Ssam struct ifnet *ifp = sc->sc_ifp; 3226178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3227178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3228178354Ssam 3229173362Sbenjsc /* sanity-check read value */ 3230173362Sbenjsc if (temp < -260 || temp > 25) { 3231173362Sbenjsc /* this can't be correct, ignore */ 3232173362Sbenjsc DPRINTFN(WPI_DEBUG_TEMP, 3233173362Sbenjsc ("out-of-range temperature reported: %d\n", temp)); 3234173362Sbenjsc return; 3235173362Sbenjsc } 3236173362Sbenjsc 3237173362Sbenjsc DPRINTFN(WPI_DEBUG_TEMP,("temperature %d->%d\n", sc->temp, temp)); 3238173362Sbenjsc 3239173362Sbenjsc /* adjust Tx power if need be */ 3240173362Sbenjsc if (abs(temp - sc->temp) <= 6) 3241173362Sbenjsc return; 3242173362Sbenjsc 3243173362Sbenjsc sc->temp = temp; 3244173362Sbenjsc 3245178354Ssam if (wpi_set_txpower(sc, vap->iv_bss->ni_chan, 1) != 0) { 3246173362Sbenjsc /* just warn, too bad for the automatic calibration... */ 3247173362Sbenjsc device_printf(sc->sc_dev,"could not adjust Tx power\n"); 3248173362Sbenjsc } 3249173362Sbenjsc} 3250173362Sbenjsc 3251173362Sbenjsc/** 3252173362Sbenjsc * Read the eeprom to find out what channels are valid for the given 3253173362Sbenjsc * band and update net80211 with what we find. 3254173362Sbenjsc */ 3255173362Sbenjscstatic void 3256173362Sbenjscwpi_read_eeprom_channels(struct wpi_softc *sc, int n) 3257173362Sbenjsc{ 3258178354Ssam struct ifnet *ifp = sc->sc_ifp; 3259178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3260173362Sbenjsc const struct wpi_chan_band *band = &wpi_bands[n]; 3261173362Sbenjsc struct wpi_eeprom_chan channels[WPI_MAX_CHAN_PER_BAND]; 3262179957Sthompsa struct ieee80211_channel *c; 3263179957Sthompsa int chan, i, passive; 3264173362Sbenjsc 3265173362Sbenjsc wpi_read_prom_data(sc, band->addr, channels, 3266173362Sbenjsc band->nchan * sizeof (struct wpi_eeprom_chan)); 3267173362Sbenjsc 3268173362Sbenjsc for (i = 0; i < band->nchan; i++) { 3269173362Sbenjsc if (!(channels[i].flags & WPI_EEPROM_CHAN_VALID)) { 3270173362Sbenjsc DPRINTFN(WPI_DEBUG_HW, 3271173362Sbenjsc ("Channel Not Valid: %d, band %d\n", 3272173362Sbenjsc band->chan[i],n)); 3273173362Sbenjsc continue; 3274173362Sbenjsc } 3275173362Sbenjsc 3276173362Sbenjsc passive = 0; 3277173362Sbenjsc chan = band->chan[i]; 3278179957Sthompsa c = &ic->ic_channels[ic->ic_nchans++]; 3279173362Sbenjsc 3280173362Sbenjsc /* is active scan allowed on this channel? */ 3281173362Sbenjsc if (!(channels[i].flags & WPI_EEPROM_CHAN_ACTIVE)) { 3282173362Sbenjsc passive = IEEE80211_CHAN_PASSIVE; 3283173362Sbenjsc } 3284173362Sbenjsc 3285173362Sbenjsc if (n == 0) { /* 2GHz band */ 3286179957Sthompsa c->ic_ieee = chan; 3287179957Sthompsa c->ic_freq = ieee80211_ieee2mhz(chan, 3288179957Sthompsa IEEE80211_CHAN_2GHZ); 3289179957Sthompsa c->ic_flags = IEEE80211_CHAN_B | passive; 3290173362Sbenjsc 3291179957Sthompsa c = &ic->ic_channels[ic->ic_nchans++]; 3292179957Sthompsa c->ic_ieee = chan; 3293179957Sthompsa c->ic_freq = ieee80211_ieee2mhz(chan, 3294179957Sthompsa IEEE80211_CHAN_2GHZ); 3295179957Sthompsa c->ic_flags = IEEE80211_CHAN_G | passive; 3296179957Sthompsa 3297173362Sbenjsc } else { /* 5GHz band */ 3298173362Sbenjsc /* 3299173362Sbenjsc * Some 3945ABG adapters support channels 7, 8, 11 3300173362Sbenjsc * and 12 in the 2GHz *and* 5GHz bands. 3301173362Sbenjsc * Because of limitations in our net80211(9) stack, 3302173362Sbenjsc * we can't support these channels in 5GHz band. 3303173362Sbenjsc * XXX not true; just need to map to proper frequency 3304173362Sbenjsc */ 3305173362Sbenjsc if (chan <= 14) 3306173362Sbenjsc continue; 3307173362Sbenjsc 3308179957Sthompsa c->ic_ieee = chan; 3309179957Sthompsa c->ic_freq = ieee80211_ieee2mhz(chan, 3310179957Sthompsa IEEE80211_CHAN_5GHZ); 3311179957Sthompsa c->ic_flags = IEEE80211_CHAN_A | passive; 3312173362Sbenjsc } 3313173362Sbenjsc 3314173362Sbenjsc /* save maximum allowed power for this channel */ 3315173362Sbenjsc sc->maxpwr[chan] = channels[i].maxpwr; 3316173362Sbenjsc 3317173362Sbenjsc#if 0 3318173362Sbenjsc // XXX We can probably use this an get rid of maxpwr - ben 20070617 3319173362Sbenjsc ic->ic_channels[chan].ic_maxpower = channels[i].maxpwr; 3320173362Sbenjsc //ic->ic_channels[chan].ic_minpower... 3321173362Sbenjsc //ic->ic_channels[chan].ic_maxregtxpower... 3322173362Sbenjsc#endif 3323173362Sbenjsc 3324179957Sthompsa DPRINTF(("adding chan %d (%dMHz) flags=0x%x maxpwr=%d" 3325179957Sthompsa " passive=%d, offset %d\n", chan, c->ic_freq, 3326179957Sthompsa channels[i].flags, sc->maxpwr[chan], 3327179957Sthompsa (c->ic_flags & IEEE80211_CHAN_PASSIVE) != 0, 3328179957Sthompsa ic->ic_nchans)); 3329173362Sbenjsc } 3330173362Sbenjsc} 3331173362Sbenjsc 3332173362Sbenjscstatic void 3333173362Sbenjscwpi_read_eeprom_group(struct wpi_softc *sc, int n) 3334173362Sbenjsc{ 3335173362Sbenjsc struct wpi_power_group *group = &sc->groups[n]; 3336173362Sbenjsc struct wpi_eeprom_group rgroup; 3337173362Sbenjsc int i; 3338173362Sbenjsc 3339173362Sbenjsc wpi_read_prom_data(sc, WPI_EEPROM_POWER_GRP + n * 32, &rgroup, 3340173362Sbenjsc sizeof rgroup); 3341173362Sbenjsc 3342173362Sbenjsc /* save power group information */ 3343173362Sbenjsc group->chan = rgroup.chan; 3344173362Sbenjsc group->maxpwr = rgroup.maxpwr; 3345173362Sbenjsc /* temperature at which the samples were taken */ 3346173362Sbenjsc group->temp = (int16_t)le16toh(rgroup.temp); 3347173362Sbenjsc 3348173362Sbenjsc DPRINTF(("power group %d: chan=%d maxpwr=%d temp=%d\n", n, 3349173362Sbenjsc group->chan, group->maxpwr, group->temp)); 3350173362Sbenjsc 3351173362Sbenjsc for (i = 0; i < WPI_SAMPLES_COUNT; i++) { 3352173362Sbenjsc group->samples[i].index = rgroup.samples[i].index; 3353173362Sbenjsc group->samples[i].power = rgroup.samples[i].power; 3354173362Sbenjsc 3355173362Sbenjsc DPRINTF(("\tsample %d: index=%d power=%d\n", i, 3356173362Sbenjsc group->samples[i].index, group->samples[i].power)); 3357173362Sbenjsc } 3358173362Sbenjsc} 3359173362Sbenjsc 3360173362Sbenjsc/* 3361173362Sbenjsc * Update Tx power to match what is defined for channel `c'. 3362173362Sbenjsc */ 3363173362Sbenjscstatic int 3364173362Sbenjscwpi_set_txpower(struct wpi_softc *sc, struct ieee80211_channel *c, int async) 3365173362Sbenjsc{ 3366178354Ssam struct ifnet *ifp = sc->sc_ifp; 3367178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3368173362Sbenjsc struct wpi_power_group *group; 3369173362Sbenjsc struct wpi_cmd_txpower txpower; 3370173362Sbenjsc u_int chan; 3371173362Sbenjsc int i; 3372173362Sbenjsc 3373173362Sbenjsc /* get channel number */ 3374173362Sbenjsc chan = ieee80211_chan2ieee(ic, c); 3375173362Sbenjsc 3376173362Sbenjsc /* find the power group to which this channel belongs */ 3377173362Sbenjsc if (IEEE80211_IS_CHAN_5GHZ(c)) { 3378173362Sbenjsc for (group = &sc->groups[1]; group < &sc->groups[4]; group++) 3379173362Sbenjsc if (chan <= group->chan) 3380173362Sbenjsc break; 3381173362Sbenjsc } else 3382173362Sbenjsc group = &sc->groups[0]; 3383173362Sbenjsc 3384173362Sbenjsc memset(&txpower, 0, sizeof txpower); 3385173362Sbenjsc txpower.band = IEEE80211_IS_CHAN_5GHZ(c) ? 0 : 1; 3386173362Sbenjsc txpower.channel = htole16(chan); 3387173362Sbenjsc 3388173362Sbenjsc /* set Tx power for all OFDM and CCK rates */ 3389173362Sbenjsc for (i = 0; i <= 11 ; i++) { 3390173362Sbenjsc /* retrieve Tx power for this channel/rate combination */ 3391173362Sbenjsc int idx = wpi_get_power_index(sc, group, c, 3392173362Sbenjsc wpi_ridx_to_rate[i]); 3393173362Sbenjsc 3394173362Sbenjsc txpower.rates[i].rate = wpi_ridx_to_plcp[i]; 3395173362Sbenjsc 3396173362Sbenjsc if (IEEE80211_IS_CHAN_5GHZ(c)) { 3397173362Sbenjsc txpower.rates[i].gain_radio = wpi_rf_gain_5ghz[idx]; 3398173362Sbenjsc txpower.rates[i].gain_dsp = wpi_dsp_gain_5ghz[idx]; 3399173362Sbenjsc } else { 3400173362Sbenjsc txpower.rates[i].gain_radio = wpi_rf_gain_2ghz[idx]; 3401173362Sbenjsc txpower.rates[i].gain_dsp = wpi_dsp_gain_2ghz[idx]; 3402173362Sbenjsc } 3403173362Sbenjsc DPRINTFN(WPI_DEBUG_TEMP,("chan %d/rate %d: power index %d\n", 3404173362Sbenjsc chan, wpi_ridx_to_rate[i], idx)); 3405173362Sbenjsc } 3406173362Sbenjsc 3407173362Sbenjsc return wpi_cmd(sc, WPI_CMD_TXPOWER, &txpower, sizeof txpower, async); 3408173362Sbenjsc} 3409173362Sbenjsc 3410173362Sbenjsc/* 3411173362Sbenjsc * Determine Tx power index for a given channel/rate combination. 3412173362Sbenjsc * This takes into account the regulatory information from EEPROM and the 3413173362Sbenjsc * current temperature. 3414173362Sbenjsc */ 3415173362Sbenjscstatic int 3416173362Sbenjscwpi_get_power_index(struct wpi_softc *sc, struct wpi_power_group *group, 3417173362Sbenjsc struct ieee80211_channel *c, int rate) 3418173362Sbenjsc{ 3419173362Sbenjsc/* fixed-point arithmetic division using a n-bit fractional part */ 3420173362Sbenjsc#define fdivround(a, b, n) \ 3421173362Sbenjsc ((((1 << n) * (a)) / (b) + (1 << n) / 2) / (1 << n)) 3422173362Sbenjsc 3423173362Sbenjsc/* linear interpolation */ 3424173362Sbenjsc#define interpolate(x, x1, y1, x2, y2, n) \ 3425173362Sbenjsc ((y1) + fdivround(((x) - (x1)) * ((y2) - (y1)), (x2) - (x1), n)) 3426173362Sbenjsc 3427178354Ssam struct ifnet *ifp = sc->sc_ifp; 3428178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3429173362Sbenjsc struct wpi_power_sample *sample; 3430173362Sbenjsc int pwr, idx; 3431173362Sbenjsc u_int chan; 3432173362Sbenjsc 3433173362Sbenjsc /* get channel number */ 3434173362Sbenjsc chan = ieee80211_chan2ieee(ic, c); 3435173362Sbenjsc 3436173362Sbenjsc /* default power is group's maximum power - 3dB */ 3437173362Sbenjsc pwr = group->maxpwr / 2; 3438173362Sbenjsc 3439173362Sbenjsc /* decrease power for highest OFDM rates to reduce distortion */ 3440173362Sbenjsc switch (rate) { 3441173362Sbenjsc case 72: /* 36Mb/s */ 3442173362Sbenjsc pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 0 : 5; 3443173362Sbenjsc break; 3444173362Sbenjsc case 96: /* 48Mb/s */ 3445173362Sbenjsc pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 7 : 10; 3446173362Sbenjsc break; 3447173362Sbenjsc case 108: /* 54Mb/s */ 3448173362Sbenjsc pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 9 : 12; 3449173362Sbenjsc break; 3450173362Sbenjsc } 3451173362Sbenjsc 3452173362Sbenjsc /* never exceed channel's maximum allowed Tx power */ 3453173362Sbenjsc pwr = min(pwr, sc->maxpwr[chan]); 3454173362Sbenjsc 3455173362Sbenjsc /* retrieve power index into gain tables from samples */ 3456173362Sbenjsc for (sample = group->samples; sample < &group->samples[3]; sample++) 3457173362Sbenjsc if (pwr > sample[1].power) 3458173362Sbenjsc break; 3459173362Sbenjsc /* fixed-point linear interpolation using a 19-bit fractional part */ 3460173362Sbenjsc idx = interpolate(pwr, sample[0].power, sample[0].index, 3461173362Sbenjsc sample[1].power, sample[1].index, 19); 3462173362Sbenjsc 3463173362Sbenjsc /* 3464173362Sbenjsc * Adjust power index based on current temperature 3465173362Sbenjsc * - if colder than factory-calibrated: decreate output power 3466173362Sbenjsc * - if warmer than factory-calibrated: increase output power 3467173362Sbenjsc */ 3468173362Sbenjsc idx -= (sc->temp - group->temp) * 11 / 100; 3469173362Sbenjsc 3470173362Sbenjsc /* decrease power for CCK rates (-5dB) */ 3471173362Sbenjsc if (!WPI_RATE_IS_OFDM(rate)) 3472173362Sbenjsc idx += 10; 3473173362Sbenjsc 3474173362Sbenjsc /* keep power index in a valid range */ 3475173362Sbenjsc if (idx < 0) 3476173362Sbenjsc return 0; 3477173362Sbenjsc if (idx > WPI_MAX_PWR_INDEX) 3478173362Sbenjsc return WPI_MAX_PWR_INDEX; 3479173362Sbenjsc return idx; 3480173362Sbenjsc 3481173362Sbenjsc#undef interpolate 3482173362Sbenjsc#undef fdivround 3483173362Sbenjsc} 3484173362Sbenjsc 3485173362Sbenjsc/** 3486173362Sbenjsc * Called by net80211 framework to indicate that a scan 3487173362Sbenjsc * is starting. This function doesn't actually do the scan, 3488173362Sbenjsc * wpi_scan_curchan starts things off. This function is more 3489173362Sbenjsc * of an early warning from the framework we should get ready 3490173362Sbenjsc * for the scan. 3491173362Sbenjsc */ 3492173362Sbenjscstatic void 3493173362Sbenjscwpi_scan_start(struct ieee80211com *ic) 3494173362Sbenjsc{ 3495173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 3496173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 3497173362Sbenjsc 3498191746Sthompsa WPI_LOCK(sc); 3499191746Sthompsa wpi_set_led(sc, WPI_LED_LINK, 20, 2); 3500191746Sthompsa WPI_UNLOCK(sc); 3501173362Sbenjsc} 3502173362Sbenjsc 3503173362Sbenjsc/** 3504173362Sbenjsc * Called by the net80211 framework, indicates that the 3505173362Sbenjsc * scan has ended. If there is a scan in progress on the card 3506173362Sbenjsc * then it should be aborted. 3507173362Sbenjsc */ 3508173362Sbenjscstatic void 3509173362Sbenjscwpi_scan_end(struct ieee80211com *ic) 3510173362Sbenjsc{ 3511191746Sthompsa /* XXX ignore */ 3512173362Sbenjsc} 3513173362Sbenjsc 3514173362Sbenjsc/** 3515173362Sbenjsc * Called by the net80211 framework to indicate to the driver 3516173362Sbenjsc * that the channel should be changed 3517173362Sbenjsc */ 3518173362Sbenjscstatic void 3519173362Sbenjscwpi_set_channel(struct ieee80211com *ic) 3520173362Sbenjsc{ 3521173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 3522173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 3523191746Sthompsa int error; 3524173362Sbenjsc 3525177043Sthompsa /* 3526177043Sthompsa * Only need to set the channel in Monitor mode. AP scanning and auth 3527177043Sthompsa * are already taken care of by their respective firmware commands. 3528177043Sthompsa */ 3529191746Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 3530191746Sthompsa error = wpi_config(sc); 3531191746Sthompsa if (error != 0) 3532191746Sthompsa device_printf(sc->sc_dev, 3533191746Sthompsa "error %d settting channel\n", error); 3534191746Sthompsa } 3535173362Sbenjsc} 3536173362Sbenjsc 3537173362Sbenjsc/** 3538173362Sbenjsc * Called by net80211 to indicate that we need to scan the current 3539173362Sbenjsc * channel. The channel is previously be set via the wpi_set_channel 3540173362Sbenjsc * callback. 3541173362Sbenjsc */ 3542173362Sbenjscstatic void 3543178354Ssamwpi_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 3544173362Sbenjsc{ 3545178354Ssam struct ieee80211vap *vap = ss->ss_vap; 3546178354Ssam struct ifnet *ifp = vap->iv_ic->ic_ifp; 3547173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 3548173362Sbenjsc 3549191746Sthompsa WPI_LOCK(sc); 3550191746Sthompsa if (wpi_scan(sc)) 3551191746Sthompsa ieee80211_cancel_scan(vap); 3552191746Sthompsa WPI_UNLOCK(sc); 3553173362Sbenjsc} 3554173362Sbenjsc 3555173362Sbenjsc/** 3556173362Sbenjsc * Called by the net80211 framework to indicate 3557173362Sbenjsc * the minimum dwell time has been met, terminate the scan. 3558173362Sbenjsc * We don't actually terminate the scan as the firmware will notify 3559173362Sbenjsc * us when it's finished and we have no way to interrupt it. 3560173362Sbenjsc */ 3561173362Sbenjscstatic void 3562178354Ssamwpi_scan_mindwell(struct ieee80211_scan_state *ss) 3563173362Sbenjsc{ 3564173362Sbenjsc /* NB: don't try to abort scan; wait for firmware to finish */ 3565173362Sbenjsc} 3566173362Sbenjsc 3567173362Sbenjscstatic void 3568191746Sthompsawpi_hwreset(void *arg, int pending) 3569173362Sbenjsc{ 3570191746Sthompsa struct wpi_softc *sc = arg; 3571173362Sbenjsc 3572173362Sbenjsc WPI_LOCK(sc); 3573191746Sthompsa wpi_init_locked(sc, 0); 3574173362Sbenjsc WPI_UNLOCK(sc); 3575173362Sbenjsc} 3576173362Sbenjsc 3577191746Sthompsastatic void 3578191746Sthompsawpi_rfreset(void *arg, int pending) 3579173362Sbenjsc{ 3580191746Sthompsa struct wpi_softc *sc = arg; 3581173362Sbenjsc 3582191746Sthompsa WPI_LOCK(sc); 3583191746Sthompsa wpi_rfkill_resume(sc); 3584191746Sthompsa WPI_UNLOCK(sc); 3585173362Sbenjsc} 3586173362Sbenjsc 3587173362Sbenjsc/* 3588173362Sbenjsc * Allocate DMA-safe memory for firmware transfer. 3589173362Sbenjsc */ 3590173362Sbenjscstatic int 3591173362Sbenjscwpi_alloc_fwmem(struct wpi_softc *sc) 3592173362Sbenjsc{ 3593173362Sbenjsc /* allocate enough contiguous space to store text and data */ 3594173362Sbenjsc return wpi_dma_contig_alloc(sc, &sc->fw_dma, NULL, 3595173362Sbenjsc WPI_FW_MAIN_TEXT_MAXSZ + WPI_FW_MAIN_DATA_MAXSZ, 1, 3596173362Sbenjsc BUS_DMA_NOWAIT); 3597173362Sbenjsc} 3598173362Sbenjsc 3599173362Sbenjscstatic void 3600173362Sbenjscwpi_free_fwmem(struct wpi_softc *sc) 3601173362Sbenjsc{ 3602173362Sbenjsc wpi_dma_contig_free(&sc->fw_dma); 3603173362Sbenjsc} 3604173362Sbenjsc 3605173362Sbenjsc/** 3606177043Sthompsa * Called every second, wpi_watchdog used by the watch dog timer 3607173362Sbenjsc * to check that the card is still alive 3608173362Sbenjsc */ 3609173362Sbenjscstatic void 3610177043Sthompsawpi_watchdog(void *arg) 3611173362Sbenjsc{ 3612173362Sbenjsc struct wpi_softc *sc = arg; 3613177043Sthompsa struct ifnet *ifp = sc->sc_ifp; 3614191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 3615177043Sthompsa uint32_t tmp; 3616173362Sbenjsc 3617173362Sbenjsc DPRINTFN(WPI_DEBUG_WATCHDOG,("Watchdog: tick\n")); 3618173362Sbenjsc 3619177043Sthompsa if (sc->flags & WPI_FLAG_HW_RADIO_OFF) { 3620177043Sthompsa /* No need to lock firmware memory */ 3621177043Sthompsa tmp = wpi_mem_read(sc, WPI_MEM_HW_RADIO_OFF); 3622177043Sthompsa 3623177043Sthompsa if ((tmp & 0x1) == 0) { 3624177043Sthompsa /* Radio kill switch is still off */ 3625177043Sthompsa callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 3626177043Sthompsa return; 3627177043Sthompsa } 3628177043Sthompsa 3629177043Sthompsa device_printf(sc->sc_dev, "Hardware Switch Enabled\n"); 3630191746Sthompsa ieee80211_runtask(ic, &sc->sc_radiotask); 3631177043Sthompsa return; 3632177043Sthompsa } 3633177043Sthompsa 3634177043Sthompsa if (sc->sc_tx_timer > 0) { 3635177043Sthompsa if (--sc->sc_tx_timer == 0) { 3636177043Sthompsa device_printf(sc->sc_dev,"device timeout\n"); 3637177043Sthompsa ifp->if_oerrors++; 3638191746Sthompsa ieee80211_runtask(ic, &sc->sc_restarttask); 3639177043Sthompsa } 3640177043Sthompsa } 3641177043Sthompsa if (sc->sc_scan_timer > 0) { 3642178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3643178354Ssam if (--sc->sc_scan_timer == 0 && vap != NULL) { 3644177043Sthompsa device_printf(sc->sc_dev,"scan timeout\n"); 3645178354Ssam ieee80211_cancel_scan(vap); 3646191746Sthompsa ieee80211_runtask(ic, &sc->sc_restarttask); 3647177043Sthompsa } 3648177043Sthompsa } 3649177043Sthompsa 3650177043Sthompsa if (ifp->if_drv_flags & IFF_DRV_RUNNING) 3651177043Sthompsa callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 3652173362Sbenjsc} 3653173362Sbenjsc 3654173362Sbenjsc#ifdef WPI_DEBUG 3655173362Sbenjscstatic const char *wpi_cmd_str(int cmd) 3656173362Sbenjsc{ 3657178354Ssam switch (cmd) { 3658178354Ssam case WPI_DISABLE_CMD: return "WPI_DISABLE_CMD"; 3659178354Ssam case WPI_CMD_CONFIGURE: return "WPI_CMD_CONFIGURE"; 3660178354Ssam case WPI_CMD_ASSOCIATE: return "WPI_CMD_ASSOCIATE"; 3661178354Ssam case WPI_CMD_SET_WME: return "WPI_CMD_SET_WME"; 3662178354Ssam case WPI_CMD_TSF: return "WPI_CMD_TSF"; 3663178354Ssam case WPI_CMD_ADD_NODE: return "WPI_CMD_ADD_NODE"; 3664178354Ssam case WPI_CMD_TX_DATA: return "WPI_CMD_TX_DATA"; 3665178354Ssam case WPI_CMD_MRR_SETUP: return "WPI_CMD_MRR_SETUP"; 3666178354Ssam case WPI_CMD_SET_LED: return "WPI_CMD_SET_LED"; 3667178354Ssam case WPI_CMD_SET_POWER_MODE: return "WPI_CMD_SET_POWER_MODE"; 3668178354Ssam case WPI_CMD_SCAN: return "WPI_CMD_SCAN"; 3669178354Ssam case WPI_CMD_SET_BEACON:return "WPI_CMD_SET_BEACON"; 3670178354Ssam case WPI_CMD_TXPOWER: return "WPI_CMD_TXPOWER"; 3671178354Ssam case WPI_CMD_BLUETOOTH: return "WPI_CMD_BLUETOOTH"; 3672173362Sbenjsc 3673178354Ssam default: 3674173362Sbenjsc KASSERT(1, ("Unknown Command: %d\n", cmd)); 3675178354Ssam return "UNKNOWN CMD"; /* Make the compiler happy */ 3676173362Sbenjsc } 3677173362Sbenjsc} 3678173362Sbenjsc#endif 3679173362Sbenjsc 3680173362SbenjscMODULE_DEPEND(wpi, pci, 1, 1, 1); 3681173362SbenjscMODULE_DEPEND(wpi, wlan, 1, 1, 1); 3682173362SbenjscMODULE_DEPEND(wpi, firmware, 1, 1, 1); 3683