if_wpi.c revision 280071
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 19173362Sbenjsc#include <sys/cdefs.h> 20173362Sbenjsc__FBSDID("$FreeBSD: head/sys/dev/wpi/if_wpi.c 280071 2015-03-15 20:40:11Z adrian $"); 21173362Sbenjsc 22173362Sbenjsc/* 23173362Sbenjsc * Driver for Intel PRO/Wireless 3945ABG 802.11 network adapters. 24173362Sbenjsc * 25173362Sbenjsc * The 3945ABG network adapter doesn't use traditional hardware as 26173362Sbenjsc * many other adaptors do. Instead at run time the eeprom is set into a known 27173362Sbenjsc * state and told to load boot firmware. The boot firmware loads an init and a 28173362Sbenjsc * main binary firmware image into SRAM on the card via DMA. 29173362Sbenjsc * Once the firmware is loaded, the driver/hw then 30218909Sbrucec * communicate by way of circular dma rings via the SRAM to the firmware. 31173362Sbenjsc * 32173362Sbenjsc * There is 6 memory rings. 1 command ring, 1 rx data ring & 4 tx data rings. 33173362Sbenjsc * The 4 tx data rings allow for prioritization QoS. 34173362Sbenjsc * 35173362Sbenjsc * The rx data ring consists of 32 dma buffers. Two registers are used to 36173362Sbenjsc * indicate where in the ring the driver and the firmware are up to. The 37173362Sbenjsc * driver sets the initial read index (reg1) and the initial write index (reg2), 38173362Sbenjsc * the firmware updates the read index (reg1) on rx of a packet and fires an 39173362Sbenjsc * interrupt. The driver then processes the buffers starting at reg1 indicating 40173362Sbenjsc * to the firmware which buffers have been accessed by updating reg2. At the 41173362Sbenjsc * same time allocating new memory for the processed buffer. 42173362Sbenjsc * 43173362Sbenjsc * A similar thing happens with the tx rings. The difference is the firmware 44173362Sbenjsc * stop processing buffers once the queue is full and until confirmation 45278764Sadrian * of a successful transmition (tx_done) has occurred. 46173362Sbenjsc * 47173362Sbenjsc * The command ring operates in the same manner as the tx queues. 48173362Sbenjsc * 49173362Sbenjsc * All communication direct to the card (ie eeprom) is classed as Stage1 50173362Sbenjsc * communication 51173362Sbenjsc * 52173362Sbenjsc * All communication via the firmware to the card is classed as State2. 53173362Sbenjsc * The firmware consists of 2 parts. A bootstrap firmware and a runtime 54173362Sbenjsc * firmware. The bootstrap firmware and runtime firmware are loaded 55173362Sbenjsc * from host memory via dma to the card then told to execute. From this point 56173362Sbenjsc * on the majority of communications between the driver and the card goes 57173362Sbenjsc * via the firmware. 58173362Sbenjsc */ 59173362Sbenjsc 60236381Sadrian#include "opt_wlan.h" 61278366Sadrian#include "opt_wpi.h" 62236381Sadrian 63173362Sbenjsc#include <sys/param.h> 64173362Sbenjsc#include <sys/sysctl.h> 65173362Sbenjsc#include <sys/sockio.h> 66173362Sbenjsc#include <sys/mbuf.h> 67173362Sbenjsc#include <sys/kernel.h> 68173362Sbenjsc#include <sys/socket.h> 69173362Sbenjsc#include <sys/systm.h> 70173362Sbenjsc#include <sys/malloc.h> 71173362Sbenjsc#include <sys/queue.h> 72173362Sbenjsc#include <sys/taskqueue.h> 73173362Sbenjsc#include <sys/module.h> 74173362Sbenjsc#include <sys/bus.h> 75173362Sbenjsc#include <sys/endian.h> 76173362Sbenjsc#include <sys/linker.h> 77173362Sbenjsc#include <sys/firmware.h> 78173362Sbenjsc 79173362Sbenjsc#include <machine/bus.h> 80173362Sbenjsc#include <machine/resource.h> 81173362Sbenjsc#include <sys/rman.h> 82173362Sbenjsc 83173362Sbenjsc#include <dev/pci/pcireg.h> 84173362Sbenjsc#include <dev/pci/pcivar.h> 85173362Sbenjsc 86173362Sbenjsc#include <net/bpf.h> 87173362Sbenjsc#include <net/if.h> 88257176Sglebius#include <net/if_var.h> 89173362Sbenjsc#include <net/if_arp.h> 90173362Sbenjsc#include <net/ethernet.h> 91173362Sbenjsc#include <net/if_dl.h> 92173362Sbenjsc#include <net/if_media.h> 93173362Sbenjsc#include <net/if_types.h> 94173362Sbenjsc 95278366Sadrian#include <netinet/in.h> 96278366Sadrian#include <netinet/in_systm.h> 97278366Sadrian#include <netinet/in_var.h> 98278366Sadrian#include <netinet/if_ether.h> 99278366Sadrian#include <netinet/ip.h> 100278366Sadrian 101173362Sbenjsc#include <net80211/ieee80211_var.h> 102173362Sbenjsc#include <net80211/ieee80211_radiotap.h> 103173362Sbenjsc#include <net80211/ieee80211_regdomain.h> 104206358Srpaulo#include <net80211/ieee80211_ratectl.h> 105173362Sbenjsc 106173362Sbenjsc#include <dev/wpi/if_wpireg.h> 107173362Sbenjsc#include <dev/wpi/if_wpivar.h> 108278366Sadrian#include <dev/wpi/if_wpi_debug.h> 109173362Sbenjsc 110173362Sbenjscstruct wpi_ident { 111173362Sbenjsc uint16_t vendor; 112173362Sbenjsc uint16_t device; 113173362Sbenjsc uint16_t subdevice; 114173362Sbenjsc const char *name; 115173362Sbenjsc}; 116173362Sbenjsc 117173362Sbenjscstatic const struct wpi_ident wpi_ident_table[] = { 118173362Sbenjsc /* The below entries support ABG regardless of the subid */ 119173362Sbenjsc { 0x8086, 0x4222, 0x0, "Intel(R) PRO/Wireless 3945ABG" }, 120173362Sbenjsc { 0x8086, 0x4227, 0x0, "Intel(R) PRO/Wireless 3945ABG" }, 121173362Sbenjsc /* The below entries only support BG */ 122182127Sbenjsc { 0x8086, 0x4222, 0x1005, "Intel(R) PRO/Wireless 3945BG" }, 123182127Sbenjsc { 0x8086, 0x4222, 0x1034, "Intel(R) PRO/Wireless 3945BG" }, 124182127Sbenjsc { 0x8086, 0x4227, 0x1014, "Intel(R) PRO/Wireless 3945BG" }, 125182127Sbenjsc { 0x8086, 0x4222, 0x1044, "Intel(R) PRO/Wireless 3945BG" }, 126173362Sbenjsc { 0, 0, 0, NULL } 127173362Sbenjsc}; 128173362Sbenjsc 129278366Sadrianstatic int wpi_probe(device_t); 130278366Sadrianstatic int wpi_attach(device_t); 131278366Sadrianstatic void wpi_radiotap_attach(struct wpi_softc *); 132278366Sadrianstatic void wpi_sysctlattach(struct wpi_softc *); 133178354Ssamstatic struct ieee80211vap *wpi_vap_create(struct ieee80211com *, 134228621Sbschmidt const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 135228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN], 136228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN]); 137178354Ssamstatic void wpi_vap_delete(struct ieee80211vap *); 138278366Sadrianstatic int wpi_detach(device_t); 139278366Sadrianstatic int wpi_shutdown(device_t); 140278366Sadrianstatic int wpi_suspend(device_t); 141278366Sadrianstatic int wpi_resume(device_t); 142278366Sadrianstatic int wpi_nic_lock(struct wpi_softc *); 143278366Sadrianstatic int wpi_read_prom_data(struct wpi_softc *, uint32_t, void *, int); 144278366Sadrianstatic void wpi_dma_map_addr(void *, bus_dma_segment_t *, int, int); 145173362Sbenjscstatic int wpi_dma_contig_alloc(struct wpi_softc *, struct wpi_dma_info *, 146278366Sadrian void **, bus_size_t, bus_size_t); 147173362Sbenjscstatic void wpi_dma_contig_free(struct wpi_dma_info *); 148173362Sbenjscstatic int wpi_alloc_shared(struct wpi_softc *); 149173362Sbenjscstatic void wpi_free_shared(struct wpi_softc *); 150278366Sadrianstatic int wpi_alloc_fwmem(struct wpi_softc *); 151278366Sadrianstatic void wpi_free_fwmem(struct wpi_softc *); 152278366Sadrianstatic int wpi_alloc_rx_ring(struct wpi_softc *); 153278366Sadrianstatic void wpi_update_rx_ring(struct wpi_softc *); 154278366Sadrianstatic void wpi_reset_rx_ring(struct wpi_softc *); 155278366Sadrianstatic void wpi_free_rx_ring(struct wpi_softc *); 156173362Sbenjscstatic int wpi_alloc_tx_ring(struct wpi_softc *, struct wpi_tx_ring *, 157278366Sadrian int); 158278366Sadrianstatic void wpi_update_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 159173362Sbenjscstatic void wpi_reset_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 160173362Sbenjscstatic void wpi_free_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 161278366Sadrianstatic int wpi_read_eeprom(struct wpi_softc *, 162278366Sadrian uint8_t macaddr[IEEE80211_ADDR_LEN]); 163278366Sadrianstatic uint32_t wpi_eeprom_channel_flags(struct wpi_eeprom_chan *); 164278366Sadrianstatic void wpi_read_eeprom_band(struct wpi_softc *, int); 165278366Sadrianstatic int wpi_read_eeprom_channels(struct wpi_softc *, int); 166278366Sadrianstatic struct wpi_eeprom_chan *wpi_find_eeprom_channel(struct wpi_softc *, 167278366Sadrian struct ieee80211_channel *); 168278366Sadrianstatic int wpi_setregdomain(struct ieee80211com *, 169278366Sadrian struct ieee80211_regdomain *, int, 170278366Sadrian struct ieee80211_channel[]); 171278366Sadrianstatic int wpi_read_eeprom_group(struct wpi_softc *, int); 172280069Sadrianstatic int wpi_add_node_entry_adhoc(struct wpi_softc *); 173278366Sadrianstatic void wpi_node_free(struct ieee80211_node *); 174278366Sadrianstatic struct ieee80211_node *wpi_node_alloc(struct ieee80211vap *, 175278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 176178354Ssamstatic int wpi_newstate(struct ieee80211vap *, enum ieee80211_state, int); 177278366Sadrianstatic void wpi_calib_timeout(void *); 178278366Sadrianstatic void wpi_rx_done(struct wpi_softc *, struct wpi_rx_desc *, 179173362Sbenjsc struct wpi_rx_data *); 180278366Sadrianstatic void wpi_rx_statistics(struct wpi_softc *, struct wpi_rx_desc *, 181278366Sadrian struct wpi_rx_data *); 182278366Sadrianstatic void wpi_tx_done(struct wpi_softc *, struct wpi_rx_desc *); 183278366Sadrianstatic void wpi_cmd_done(struct wpi_softc *, struct wpi_rx_desc *); 184173362Sbenjscstatic void wpi_notif_intr(struct wpi_softc *); 185278366Sadrianstatic void wpi_wakeup_intr(struct wpi_softc *); 186278366Sadrianstatic void wpi_fatal_intr(struct wpi_softc *); 187173362Sbenjscstatic void wpi_intr(void *); 188278366Sadrianstatic int wpi_cmd2(struct wpi_softc *, struct wpi_buf *); 189173362Sbenjscstatic int wpi_tx_data(struct wpi_softc *, struct mbuf *, 190278366Sadrian struct ieee80211_node *); 191278366Sadrianstatic int wpi_tx_data_raw(struct wpi_softc *, struct mbuf *, 192278366Sadrian struct ieee80211_node *, 193278366Sadrian const struct ieee80211_bpf_params *); 194278366Sadrianstatic int wpi_raw_xmit(struct ieee80211_node *, struct mbuf *, 195278366Sadrian const struct ieee80211_bpf_params *); 196173362Sbenjscstatic void wpi_start(struct ifnet *); 197178354Ssamstatic void wpi_start_locked(struct ifnet *); 198278366Sadrianstatic void wpi_watchdog_rfkill(void *); 199278366Sadrianstatic void wpi_watchdog(void *); 200173362Sbenjscstatic int wpi_ioctl(struct ifnet *, u_long, caddr_t); 201278366Sadrianstatic int wpi_cmd(struct wpi_softc *, int, const void *, size_t, int); 202173362Sbenjscstatic int wpi_mrr_setup(struct wpi_softc *); 203278366Sadrianstatic int wpi_add_node(struct wpi_softc *, struct ieee80211_node *); 204278366Sadrianstatic int wpi_add_broadcast_node(struct wpi_softc *, int); 205278366Sadrianstatic int wpi_add_ibss_node(struct wpi_softc *, struct ieee80211_node *); 206278366Sadrianstatic void wpi_del_node(struct wpi_softc *, struct ieee80211_node *); 207278366Sadrianstatic int wpi_updateedca(struct ieee80211com *); 208278366Sadrianstatic void wpi_set_promisc(struct wpi_softc *); 209278366Sadrianstatic void wpi_update_promisc(struct ifnet *); 210278366Sadrianstatic void wpi_update_mcast(struct ifnet *); 211173362Sbenjscstatic void wpi_set_led(struct wpi_softc *, uint8_t, uint8_t, uint8_t); 212278366Sadrianstatic int wpi_set_timing(struct wpi_softc *, struct ieee80211_node *); 213278366Sadrianstatic void wpi_power_calibration(struct wpi_softc *); 214278366Sadrianstatic int wpi_set_txpower(struct wpi_softc *, int); 215278366Sadrianstatic int wpi_get_power_index(struct wpi_softc *, 216278366Sadrian struct wpi_power_group *, struct ieee80211_channel *, int); 217278366Sadrianstatic int wpi_set_pslevel(struct wpi_softc *, uint8_t, int, int); 218278366Sadrianstatic int wpi_send_btcoex(struct wpi_softc *); 219278366Sadrianstatic int wpi_send_rxon(struct wpi_softc *, int, int); 220278366Sadrianstatic int wpi_config(struct wpi_softc *); 221278366Sadrianstatic uint16_t wpi_get_active_dwell_time(struct wpi_softc *, 222278366Sadrian struct ieee80211_channel *, uint8_t); 223278366Sadrianstatic uint16_t wpi_limit_dwell(struct wpi_softc *, uint16_t); 224278366Sadrianstatic uint16_t wpi_get_passive_dwell_time(struct wpi_softc *, 225278366Sadrian struct ieee80211_channel *); 226278366Sadrianstatic int wpi_scan(struct wpi_softc *, struct ieee80211_channel *); 227278366Sadrianstatic int wpi_auth(struct wpi_softc *, struct ieee80211vap *); 228278366Sadrianstatic void wpi_update_beacon(struct ieee80211vap *, int); 229173362Sbenjscstatic int wpi_setup_beacon(struct wpi_softc *, struct ieee80211_node *); 230178354Ssamstatic int wpi_run(struct wpi_softc *, struct ieee80211vap *); 231278366Sadrianstatic int wpi_key_alloc(struct ieee80211vap *, struct ieee80211_key *, 232278366Sadrian ieee80211_keyix *, ieee80211_keyix *); 233278366Sadrianstatic int wpi_key_set(struct ieee80211vap *, 234278366Sadrian const struct ieee80211_key *, 235278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 236278366Sadrianstatic int wpi_key_delete(struct ieee80211vap *, 237278366Sadrian const struct ieee80211_key *); 238278366Sadrianstatic int wpi_post_alive(struct wpi_softc *); 239278366Sadrianstatic int wpi_load_bootcode(struct wpi_softc *, const uint8_t *, int); 240278366Sadrianstatic int wpi_load_firmware(struct wpi_softc *); 241278366Sadrianstatic int wpi_read_firmware(struct wpi_softc *); 242278366Sadrianstatic void wpi_unload_firmware(struct wpi_softc *); 243278366Sadrianstatic int wpi_clock_wait(struct wpi_softc *); 244278366Sadrianstatic int wpi_apm_init(struct wpi_softc *); 245278366Sadrianstatic void wpi_apm_stop_master(struct wpi_softc *); 246278366Sadrianstatic void wpi_apm_stop(struct wpi_softc *); 247278366Sadrianstatic void wpi_nic_config(struct wpi_softc *); 248278366Sadrianstatic int wpi_hw_init(struct wpi_softc *); 249278366Sadrianstatic void wpi_hw_stop(struct wpi_softc *); 250278366Sadrianstatic void wpi_radio_on(void *, int); 251278366Sadrianstatic void wpi_radio_off(void *, int); 252278366Sadrianstatic void wpi_init_locked(struct wpi_softc *); 253173362Sbenjscstatic void wpi_init(void *); 254278366Sadrianstatic void wpi_stop_locked(struct wpi_softc *); 255173362Sbenjscstatic void wpi_stop(struct wpi_softc *); 256278366Sadrianstatic void wpi_scan_start(struct ieee80211com *); 257278366Sadrianstatic void wpi_scan_end(struct ieee80211com *); 258278366Sadrianstatic void wpi_set_channel(struct ieee80211com *); 259278366Sadrianstatic void wpi_scan_curchan(struct ieee80211_scan_state *, unsigned long); 260278366Sadrianstatic void wpi_scan_mindwell(struct ieee80211_scan_state *); 261278366Sadrianstatic void wpi_hw_reset(void *, int); 262173362Sbenjsc 263173362Sbenjscstatic device_method_t wpi_methods[] = { 264173362Sbenjsc /* Device interface */ 265173362Sbenjsc DEVMETHOD(device_probe, wpi_probe), 266173362Sbenjsc DEVMETHOD(device_attach, wpi_attach), 267173362Sbenjsc DEVMETHOD(device_detach, wpi_detach), 268173362Sbenjsc DEVMETHOD(device_shutdown, wpi_shutdown), 269173362Sbenjsc DEVMETHOD(device_suspend, wpi_suspend), 270173362Sbenjsc DEVMETHOD(device_resume, wpi_resume), 271173362Sbenjsc 272260064Smarius DEVMETHOD_END 273173362Sbenjsc}; 274173362Sbenjsc 275173362Sbenjscstatic driver_t wpi_driver = { 276173362Sbenjsc "wpi", 277173362Sbenjsc wpi_methods, 278173362Sbenjsc sizeof (struct wpi_softc) 279173362Sbenjsc}; 280173362Sbenjscstatic devclass_t wpi_devclass; 281173362Sbenjsc 282260064SmariusDRIVER_MODULE(wpi, pci, wpi_driver, wpi_devclass, NULL, NULL); 283173362Sbenjsc 284222543SbschmidtMODULE_VERSION(wpi, 1); 285222543Sbschmidt 286278366SadrianMODULE_DEPEND(wpi, pci, 1, 1, 1); 287278366SadrianMODULE_DEPEND(wpi, wlan, 1, 1, 1); 288278366SadrianMODULE_DEPEND(wpi, firmware, 1, 1, 1); 289260064Smarius 290173362Sbenjscstatic int 291173362Sbenjscwpi_probe(device_t dev) 292173362Sbenjsc{ 293173362Sbenjsc const struct wpi_ident *ident; 294173362Sbenjsc 295173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 296173362Sbenjsc if (pci_get_vendor(dev) == ident->vendor && 297173362Sbenjsc pci_get_device(dev) == ident->device) { 298173362Sbenjsc device_set_desc(dev, ident->name); 299260064Smarius return (BUS_PROBE_DEFAULT); 300173362Sbenjsc } 301173362Sbenjsc } 302173362Sbenjsc return ENXIO; 303173362Sbenjsc} 304173362Sbenjsc 305173362Sbenjscstatic int 306173362Sbenjscwpi_attach(device_t dev) 307173362Sbenjsc{ 308278366Sadrian struct wpi_softc *sc = (struct wpi_softc *)device_get_softc(dev); 309278366Sadrian struct ieee80211com *ic; 310173362Sbenjsc struct ifnet *ifp; 311280061Sadrian int i, error, rid; 312280061Sadrian#ifdef WPI_DEBUG 313280061Sadrian int supportsa = 1; 314173362Sbenjsc const struct wpi_ident *ident; 315280061Sadrian#endif 316190526Ssam uint8_t macaddr[IEEE80211_ADDR_LEN]; 317173362Sbenjsc 318173362Sbenjsc sc->sc_dev = dev; 319173362Sbenjsc 320280059Sadrian#ifdef WPI_DEBUG 321278366Sadrian error = resource_int_value(device_get_name(sc->sc_dev), 322278366Sadrian device_get_unit(sc->sc_dev), "debug", &(sc->sc_debug)); 323278366Sadrian if (error != 0) 324278366Sadrian sc->sc_debug = 0; 325278366Sadrian#else 326278366Sadrian sc->sc_debug = 0; 327278366Sadrian#endif 328173362Sbenjsc 329278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 330278366Sadrian 331173362Sbenjsc /* 332278366Sadrian * Get the offset of the PCI Express Capability Structure in PCI 333278366Sadrian * Configuration Space. 334278366Sadrian */ 335278366Sadrian error = pci_find_cap(dev, PCIY_EXPRESS, &sc->sc_cap_off); 336278366Sadrian if (error != 0) { 337278366Sadrian device_printf(dev, "PCIe capability structure not found!\n"); 338278366Sadrian return error; 339278366Sadrian } 340278366Sadrian 341278366Sadrian /* 342173362Sbenjsc * Some card's only support 802.11b/g not a, check to see if 343173362Sbenjsc * this is one such card. A 0x0 in the subdevice table indicates 344173362Sbenjsc * the entire subdevice range is to be ignored. 345173362Sbenjsc */ 346280061Sadrian#ifdef WPI_DEBUG 347173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 348173362Sbenjsc if (ident->subdevice && 349173362Sbenjsc pci_get_subdevice(dev) == ident->subdevice) { 350173362Sbenjsc supportsa = 0; 351173362Sbenjsc break; 352173362Sbenjsc } 353173362Sbenjsc } 354280061Sadrian#endif 355173362Sbenjsc 356278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 357173362Sbenjsc pci_write_config(dev, 0x41, 0, 1); 358173362Sbenjsc 359278366Sadrian /* Enable bus-mastering. */ 360173362Sbenjsc pci_enable_busmaster(dev); 361173362Sbenjsc 362260064Smarius rid = PCIR_BAR(0); 363260064Smarius sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 364173362Sbenjsc RF_ACTIVE); 365173362Sbenjsc if (sc->mem == NULL) { 366278366Sadrian device_printf(dev, "can't map mem space\n"); 367173362Sbenjsc error = ENOMEM; 368278366Sadrian return error; 369173362Sbenjsc } 370173362Sbenjsc sc->sc_st = rman_get_bustag(sc->mem); 371173362Sbenjsc sc->sc_sh = rman_get_bushandle(sc->mem); 372173362Sbenjsc 373278366Sadrian i = 1; 374260064Smarius rid = 0; 375278366Sadrian if (pci_alloc_msi(dev, &i) == 0) 376278366Sadrian rid = 1; 377278366Sadrian /* Install interrupt handler. */ 378278366Sadrian sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | 379278366Sadrian (rid != 0 ? 0 : RF_SHAREABLE)); 380173362Sbenjsc if (sc->irq == NULL) { 381278366Sadrian device_printf(dev, "can't map interrupt\n"); 382173362Sbenjsc error = ENOMEM; 383173362Sbenjsc goto fail; 384173362Sbenjsc } 385173362Sbenjsc 386278366Sadrian WPI_LOCK_INIT(sc); 387280071Sadrian WPI_TXQ_LOCK_INIT(sc); 388278366Sadrian 389278366Sadrian /* Allocate DMA memory for firmware transfers. */ 390173362Sbenjsc if ((error = wpi_alloc_fwmem(sc)) != 0) { 391278366Sadrian device_printf(dev, 392278366Sadrian "could not allocate memory for firmware, error %d\n", 393278366Sadrian error); 394173362Sbenjsc goto fail; 395173362Sbenjsc } 396173362Sbenjsc 397278366Sadrian /* Allocate shared page. */ 398173362Sbenjsc if ((error = wpi_alloc_shared(sc)) != 0) { 399173362Sbenjsc device_printf(dev, "could not allocate shared page\n"); 400173362Sbenjsc goto fail; 401173362Sbenjsc } 402173362Sbenjsc 403278366Sadrian /* Allocate TX rings - 4 for QoS purposes, 1 for commands. */ 404278366Sadrian for (i = 0; i < WPI_NTXQUEUES; i++) { 405278366Sadrian if ((error = wpi_alloc_tx_ring(sc, &sc->txq[i], i)) != 0) { 406278366Sadrian device_printf(dev, 407278366Sadrian "could not allocate TX ring %d, error %d\n", i, 408278366Sadrian error); 409278366Sadrian goto fail; 410173362Sbenjsc } 411173362Sbenjsc } 412173362Sbenjsc 413278366Sadrian /* Allocate RX ring. */ 414278366Sadrian if ((error = wpi_alloc_rx_ring(sc)) != 0) { 415278366Sadrian device_printf(dev, "could not allocate RX ring, error %d\n", 416278366Sadrian error); 417173362Sbenjsc goto fail; 418173362Sbenjsc } 419173362Sbenjsc 420278366Sadrian /* Clear pending interrupts. */ 421278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 422173362Sbenjsc 423178354Ssam ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 424173362Sbenjsc if (ifp == NULL) { 425278366Sadrian device_printf(dev, "can not allocate ifnet structure\n"); 426173362Sbenjsc goto fail; 427173362Sbenjsc } 428278366Sadrian 429178354Ssam ic = ifp->if_l2com; 430173362Sbenjsc ic->ic_ifp = ifp; 431178354Ssam ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 432178354Ssam ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 433173362Sbenjsc 434278366Sadrian /* Set device capabilities. */ 435173362Sbenjsc ic->ic_caps = 436178957Ssam IEEE80211_C_STA /* station mode supported */ 437278366Sadrian | IEEE80211_C_IBSS /* IBSS mode supported */ 438178957Ssam | IEEE80211_C_MONITOR /* monitor mode supported */ 439278366Sadrian | IEEE80211_C_AHDEMO /* adhoc demo mode */ 440278366Sadrian | IEEE80211_C_BGSCAN /* capable of bg scanning */ 441173362Sbenjsc | IEEE80211_C_TXPMGT /* tx power management */ 442173362Sbenjsc | IEEE80211_C_SHSLOT /* short slot time supported */ 443278366Sadrian | IEEE80211_C_WPA /* 802.11i */ 444173362Sbenjsc | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 445173362Sbenjsc#if 0 446173362Sbenjsc | IEEE80211_C_HOSTAP /* Host access point mode */ 447173362Sbenjsc#endif 448278366Sadrian | IEEE80211_C_WME /* 802.11e */ 449278366Sadrian | IEEE80211_C_PMGT /* Station-side power mgmt */ 450173362Sbenjsc ; 451173362Sbenjsc 452278366Sadrian ic->ic_cryptocaps = 453278366Sadrian IEEE80211_CRYPTO_AES_CCM; 454278366Sadrian 455173362Sbenjsc /* 456173362Sbenjsc * Read in the eeprom and also setup the channels for 457173362Sbenjsc * net80211. We don't set the rates as net80211 does this for us 458173362Sbenjsc */ 459278366Sadrian if ((error = wpi_read_eeprom(sc, macaddr)) != 0) { 460278366Sadrian device_printf(dev, "could not read EEPROM, error %d\n", 461278366Sadrian error); 462278366Sadrian goto fail; 463280059Sadrian } 464173362Sbenjsc 465280059Sadrian#ifdef WPI_DEBUG 466278366Sadrian if (bootverbose) { 467280059Sadrian device_printf(sc->sc_dev, "Regulatory Domain: %.4s\n", 468280059Sadrian sc->domain); 469280059Sadrian device_printf(sc->sc_dev, "Hardware Type: %c\n", 470280059Sadrian sc->type > 1 ? 'B': '?'); 471280059Sadrian device_printf(sc->sc_dev, "Hardware Revision: %c\n", 472280059Sadrian ((le16toh(sc->rev) & 0xf0) == 0xd0) ? 'D': '?'); 473280059Sadrian device_printf(sc->sc_dev, "SKU %s support 802.11a\n", 474280059Sadrian supportsa ? "does" : "does not"); 475173362Sbenjsc 476280059Sadrian /* XXX hw_config uses the PCIDEV for the Hardware rev. Must 477280059Sadrian check what sc->rev really represents - benjsc 20070615 */ 478173362Sbenjsc } 479278366Sadrian#endif 480173362Sbenjsc 481173362Sbenjsc if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 482173362Sbenjsc ifp->if_softc = sc; 483173362Sbenjsc ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 484173362Sbenjsc ifp->if_init = wpi_init; 485173362Sbenjsc ifp->if_ioctl = wpi_ioctl; 486173362Sbenjsc ifp->if_start = wpi_start; 487207554Ssobomax IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 488207554Ssobomax ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 489173362Sbenjsc IFQ_SET_READY(&ifp->if_snd); 490178354Ssam 491190526Ssam ieee80211_ifattach(ic, macaddr); 492278366Sadrian ic->ic_vap_create = wpi_vap_create; 493278366Sadrian ic->ic_vap_delete = wpi_vap_delete; 494178354Ssam ic->ic_raw_xmit = wpi_raw_xmit; 495278366Sadrian ic->ic_node_alloc = wpi_node_alloc; 496278366Sadrian sc->sc_node_free = ic->ic_node_free; 497278366Sadrian ic->ic_node_free = wpi_node_free; 498278366Sadrian ic->ic_wme.wme_update = wpi_updateedca; 499278366Sadrian ic->ic_update_promisc = wpi_update_promisc; 500278366Sadrian ic->ic_update_mcast = wpi_update_mcast; 501173362Sbenjsc ic->ic_scan_start = wpi_scan_start; 502173362Sbenjsc ic->ic_scan_end = wpi_scan_end; 503173362Sbenjsc ic->ic_set_channel = wpi_set_channel; 504278366Sadrian sc->sc_scan_curchan = ic->ic_scan_curchan; 505173362Sbenjsc ic->ic_scan_curchan = wpi_scan_curchan; 506173362Sbenjsc ic->ic_scan_mindwell = wpi_scan_mindwell; 507278366Sadrian ic->ic_setregdomain = wpi_setregdomain; 508173362Sbenjsc 509278366Sadrian wpi_radiotap_attach(sc); 510173362Sbenjsc 511278366Sadrian callout_init_mtx(&sc->calib_to, &sc->sc_mtx, 0); 512278366Sadrian callout_init_mtx(&sc->watchdog_to, &sc->sc_mtx, 0); 513278366Sadrian callout_init_mtx(&sc->watchdog_rfkill, &sc->sc_mtx, 0); 514278366Sadrian TASK_INIT(&sc->sc_reinittask, 0, wpi_hw_reset, sc); 515278366Sadrian TASK_INIT(&sc->sc_radiooff_task, 0, wpi_radio_off, sc); 516278366Sadrian TASK_INIT(&sc->sc_radioon_task, 0, wpi_radio_on, sc); 517173362Sbenjsc 518278366Sadrian wpi_sysctlattach(sc); 519278366Sadrian 520173362Sbenjsc /* 521173362Sbenjsc * Hook our interrupt after all initialization is complete. 522173362Sbenjsc */ 523278366Sadrian error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 524177043Sthompsa NULL, wpi_intr, sc, &sc->sc_ih); 525173362Sbenjsc if (error != 0) { 526278366Sadrian device_printf(dev, "can't establish interrupt, error %d\n", 527278366Sadrian error); 528173362Sbenjsc goto fail; 529173362Sbenjsc } 530173362Sbenjsc 531177043Sthompsa if (bootverbose) 532177043Sthompsa ieee80211_announce(ic); 533278366Sadrian 534278366Sadrian#ifdef WPI_DEBUG 535278366Sadrian if (sc->sc_debug & WPI_DEBUG_HW) 536278366Sadrian ieee80211_announce_channels(ic); 537173362Sbenjsc#endif 538278366Sadrian 539278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 540173362Sbenjsc return 0; 541173362Sbenjsc 542173362Sbenjscfail: wpi_detach(dev); 543278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 544278366Sadrian return error; 545173362Sbenjsc} 546173362Sbenjsc 547278366Sadrian/* 548278366Sadrian * Attach the interface to 802.11 radiotap. 549278366Sadrian */ 550278366Sadrianstatic void 551278366Sadrianwpi_radiotap_attach(struct wpi_softc *sc) 552278366Sadrian{ 553278366Sadrian struct ifnet *ifp = sc->sc_ifp; 554278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 555278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 556278366Sadrian ieee80211_radiotap_attach(ic, 557278366Sadrian &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 558278366Sadrian WPI_TX_RADIOTAP_PRESENT, 559278366Sadrian &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 560278366Sadrian WPI_RX_RADIOTAP_PRESENT); 561278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 562278366Sadrian} 563278366Sadrian 564278366Sadrianstatic void 565278366Sadrianwpi_sysctlattach(struct wpi_softc *sc) 566278366Sadrian{ 567280059Sadrian#ifdef WPI_DEBUG 568278366Sadrian struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 569278366Sadrian struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 570278366Sadrian 571278366Sadrian SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 572278366Sadrian "debug", CTLFLAG_RW, &sc->sc_debug, sc->sc_debug, 573278366Sadrian "control debugging printfs"); 574278366Sadrian#endif 575278366Sadrian} 576278366Sadrian 577278366Sadrianstatic struct ieee80211vap * 578278366Sadrianwpi_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 579278366Sadrian enum ieee80211_opmode opmode, int flags, 580278366Sadrian const uint8_t bssid[IEEE80211_ADDR_LEN], 581278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 582278366Sadrian{ 583278366Sadrian struct wpi_vap *wvp; 584278366Sadrian struct wpi_buf *bcn; 585278366Sadrian struct ieee80211vap *vap; 586278366Sadrian 587278366Sadrian if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 588278366Sadrian return NULL; 589278366Sadrian 590278366Sadrian wvp = (struct wpi_vap *) malloc(sizeof(struct wpi_vap), 591278366Sadrian M_80211_VAP, M_NOWAIT | M_ZERO); 592278366Sadrian if (wvp == NULL) 593278366Sadrian return NULL; 594278366Sadrian vap = &wvp->vap; 595278366Sadrian ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 596278366Sadrian 597278366Sadrian bcn = &wvp->wv_bcbuf; 598278366Sadrian bcn->data = NULL; 599278366Sadrian 600278366Sadrian /* Override with driver methods. */ 601278366Sadrian wvp->newstate = vap->iv_newstate; 602278366Sadrian vap->iv_key_alloc = wpi_key_alloc; 603278366Sadrian vap->iv_key_set = wpi_key_set; 604278366Sadrian vap->iv_key_delete = wpi_key_delete; 605278366Sadrian vap->iv_newstate = wpi_newstate; 606278366Sadrian vap->iv_update_beacon = wpi_update_beacon; 607278366Sadrian 608278366Sadrian ieee80211_ratectl_init(vap); 609278366Sadrian /* Complete setup. */ 610280066Sadrian ieee80211_vap_attach(vap, ieee80211_media_change, 611280066Sadrian ieee80211_media_status); 612278366Sadrian ic->ic_opmode = opmode; 613278366Sadrian return vap; 614278366Sadrian} 615278366Sadrian 616278366Sadrianstatic void 617278366Sadrianwpi_vap_delete(struct ieee80211vap *vap) 618278366Sadrian{ 619278366Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 620278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 621278366Sadrian 622278366Sadrian ieee80211_ratectl_deinit(vap); 623278366Sadrian ieee80211_vap_detach(vap); 624278366Sadrian 625278366Sadrian if (bcn->data != NULL) 626278366Sadrian free(bcn->data, M_DEVBUF); 627278366Sadrian free(wvp, M_80211_VAP); 628278366Sadrian} 629278366Sadrian 630173362Sbenjscstatic int 631173362Sbenjscwpi_detach(device_t dev) 632173362Sbenjsc{ 633173362Sbenjsc struct wpi_softc *sc = device_get_softc(dev); 634178354Ssam struct ifnet *ifp = sc->sc_ifp; 635200530Sgavin struct ieee80211com *ic; 636278366Sadrian int qid; 637173362Sbenjsc 638278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 639260064Smarius 640200530Sgavin if (ifp != NULL) { 641200530Sgavin ic = ifp->if_l2com; 642191746Sthompsa 643278366Sadrian ieee80211_draintask(ic, &sc->sc_reinittask); 644278366Sadrian ieee80211_draintask(ic, &sc->sc_radiooff_task); 645280052Sadrian ieee80211_draintask(ic, &sc->sc_radioon_task); 646278366Sadrian 647173362Sbenjsc wpi_stop(sc); 648278366Sadrian 649173362Sbenjsc callout_drain(&sc->watchdog_to); 650278366Sadrian callout_drain(&sc->watchdog_rfkill); 651173362Sbenjsc callout_drain(&sc->calib_to); 652173362Sbenjsc ieee80211_ifdetach(ic); 653173362Sbenjsc } 654173362Sbenjsc 655278366Sadrian /* Uninstall interrupt handler. */ 656278366Sadrian if (sc->irq != NULL) { 657278366Sadrian bus_teardown_intr(dev, sc->irq, sc->sc_ih); 658278366Sadrian bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), 659278366Sadrian sc->irq); 660278366Sadrian pci_release_msi(dev); 661278366Sadrian } 662278366Sadrian 663173362Sbenjsc if (sc->txq[0].data_dmat) { 664278366Sadrian /* Free DMA resources. */ 665278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 666278366Sadrian wpi_free_tx_ring(sc, &sc->txq[qid]); 667173362Sbenjsc 668278366Sadrian wpi_free_rx_ring(sc); 669173362Sbenjsc wpi_free_shared(sc); 670173362Sbenjsc } 671173362Sbenjsc 672173362Sbenjsc if (sc->fw_dma.tag) 673173362Sbenjsc wpi_free_fwmem(sc); 674278366Sadrian 675173362Sbenjsc if (sc->mem != NULL) 676260064Smarius bus_release_resource(dev, SYS_RES_MEMORY, 677260064Smarius rman_get_rid(sc->mem), sc->mem); 678173362Sbenjsc 679173362Sbenjsc if (ifp != NULL) 680173362Sbenjsc if_free(ifp); 681173362Sbenjsc 682278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 683280071Sadrian WPI_TXQ_LOCK_DESTROY(sc); 684173362Sbenjsc WPI_LOCK_DESTROY(sc); 685278366Sadrian return 0; 686278366Sadrian} 687173362Sbenjsc 688278366Sadrianstatic int 689278366Sadrianwpi_shutdown(device_t dev) 690278366Sadrian{ 691278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 692278366Sadrian 693278366Sadrian wpi_stop(sc); 694173362Sbenjsc return 0; 695173362Sbenjsc} 696173362Sbenjsc 697278366Sadrianstatic int 698278366Sadrianwpi_suspend(device_t dev) 699178354Ssam{ 700278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 701278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 702178354Ssam 703278366Sadrian ieee80211_suspend_all(ic); 704278366Sadrian return 0; 705278366Sadrian} 706178354Ssam 707278366Sadrianstatic int 708278366Sadrianwpi_resume(device_t dev) 709278366Sadrian{ 710278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 711278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 712278366Sadrian 713278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 714278366Sadrian pci_write_config(dev, 0x41, 0, 1); 715278366Sadrian 716278366Sadrian ieee80211_resume_all(ic); 717278366Sadrian return 0; 718178354Ssam} 719178354Ssam 720278366Sadrian/* 721278366Sadrian * Grab exclusive access to NIC memory. 722278366Sadrian */ 723278366Sadrianstatic int 724278366Sadrianwpi_nic_lock(struct wpi_softc *sc) 725178354Ssam{ 726278366Sadrian int ntries; 727178354Ssam 728278366Sadrian /* Request exclusive access to NIC. */ 729278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 730278366Sadrian 731278366Sadrian /* Spin until we actually get the lock. */ 732278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 733278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & 734280059Sadrian (WPI_GP_CNTRL_MAC_ACCESS_ENA | WPI_GP_CNTRL_SLEEP)) == 735278366Sadrian WPI_GP_CNTRL_MAC_ACCESS_ENA) 736278366Sadrian return 0; 737278366Sadrian DELAY(10); 738278366Sadrian } 739278366Sadrian 740278366Sadrian device_printf(sc->sc_dev, "could not lock memory\n"); 741278366Sadrian 742278366Sadrian return ETIMEDOUT; 743178354Ssam} 744178354Ssam 745278366Sadrian/* 746278366Sadrian * Release lock on NIC memory. 747278366Sadrian */ 748278366Sadrianstatic __inline void 749278366Sadrianwpi_nic_unlock(struct wpi_softc *sc) 750278366Sadrian{ 751278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 752278366Sadrian} 753278366Sadrian 754278366Sadrianstatic __inline uint32_t 755278366Sadrianwpi_prph_read(struct wpi_softc *sc, uint32_t addr) 756278366Sadrian{ 757278366Sadrian WPI_WRITE(sc, WPI_PRPH_RADDR, WPI_PRPH_DWORD | addr); 758278366Sadrian WPI_BARRIER_READ_WRITE(sc); 759278366Sadrian return WPI_READ(sc, WPI_PRPH_RDATA); 760278366Sadrian} 761278366Sadrian 762278366Sadrianstatic __inline void 763278366Sadrianwpi_prph_write(struct wpi_softc *sc, uint32_t addr, uint32_t data) 764278366Sadrian{ 765278366Sadrian WPI_WRITE(sc, WPI_PRPH_WADDR, WPI_PRPH_DWORD | addr); 766278366Sadrian WPI_BARRIER_WRITE(sc); 767278366Sadrian WPI_WRITE(sc, WPI_PRPH_WDATA, data); 768278366Sadrian} 769278366Sadrian 770278366Sadrianstatic __inline void 771278366Sadrianwpi_prph_setbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 772278366Sadrian{ 773278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) | mask); 774278366Sadrian} 775278366Sadrian 776278366Sadrianstatic __inline void 777278366Sadrianwpi_prph_clrbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 778278366Sadrian{ 779278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) & ~mask); 780278366Sadrian} 781278366Sadrian 782278366Sadrianstatic __inline void 783278366Sadrianwpi_prph_write_region_4(struct wpi_softc *sc, uint32_t addr, 784278366Sadrian const uint32_t *data, int count) 785278366Sadrian{ 786278366Sadrian for (; count > 0; count--, data++, addr += 4) 787278366Sadrian wpi_prph_write(sc, addr, *data); 788278366Sadrian} 789278366Sadrian 790278366Sadrianstatic __inline uint32_t 791278366Sadrianwpi_mem_read(struct wpi_softc *sc, uint32_t addr) 792278366Sadrian{ 793278366Sadrian WPI_WRITE(sc, WPI_MEM_RADDR, addr); 794278366Sadrian WPI_BARRIER_READ_WRITE(sc); 795278366Sadrian return WPI_READ(sc, WPI_MEM_RDATA); 796278366Sadrian} 797278366Sadrian 798278366Sadrianstatic __inline void 799278366Sadrianwpi_mem_read_region_4(struct wpi_softc *sc, uint32_t addr, uint32_t *data, 800278366Sadrian int count) 801278366Sadrian{ 802278366Sadrian for (; count > 0; count--, addr += 4) 803278366Sadrian *data++ = wpi_mem_read(sc, addr); 804278366Sadrian} 805278366Sadrian 806278366Sadrianstatic int 807278366Sadrianwpi_read_prom_data(struct wpi_softc *sc, uint32_t addr, void *data, int count) 808278366Sadrian{ 809278366Sadrian uint8_t *out = data; 810278366Sadrian uint32_t val; 811278366Sadrian int error, ntries; 812278366Sadrian 813278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 814278366Sadrian 815278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 816278366Sadrian return error; 817278366Sadrian 818278366Sadrian for (; count > 0; count -= 2, addr++) { 819278366Sadrian WPI_WRITE(sc, WPI_EEPROM, addr << 2); 820278366Sadrian for (ntries = 0; ntries < 10; ntries++) { 821278366Sadrian val = WPI_READ(sc, WPI_EEPROM); 822278366Sadrian if (val & WPI_EEPROM_READ_VALID) 823278366Sadrian break; 824278366Sadrian DELAY(5); 825278366Sadrian } 826278366Sadrian if (ntries == 10) { 827278366Sadrian device_printf(sc->sc_dev, 828278366Sadrian "timeout reading ROM at 0x%x\n", addr); 829278366Sadrian return ETIMEDOUT; 830278366Sadrian } 831278366Sadrian *out++= val >> 16; 832278366Sadrian if (count > 1) 833278366Sadrian *out ++= val >> 24; 834278366Sadrian } 835278366Sadrian 836278366Sadrian wpi_nic_unlock(sc); 837278366Sadrian 838278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 839278366Sadrian 840278366Sadrian return 0; 841278366Sadrian} 842278366Sadrian 843178354Ssamstatic void 844173362Sbenjscwpi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 845173362Sbenjsc{ 846173362Sbenjsc if (error != 0) 847173362Sbenjsc return; 848173362Sbenjsc KASSERT(nsegs == 1, ("too many DMA segments, %d should be 1", nsegs)); 849173362Sbenjsc *(bus_addr_t *)arg = segs[0].ds_addr; 850173362Sbenjsc} 851173362Sbenjsc 852177043Sthompsa/* 853177043Sthompsa * Allocates a contiguous block of dma memory of the requested size and 854278366Sadrian * alignment. 855177043Sthompsa */ 856173362Sbenjscstatic int 857173362Sbenjscwpi_dma_contig_alloc(struct wpi_softc *sc, struct wpi_dma_info *dma, 858278366Sadrian void **kvap, bus_size_t size, bus_size_t alignment) 859173362Sbenjsc{ 860173362Sbenjsc int error; 861173362Sbenjsc 862278366Sadrian dma->tag = NULL; 863173362Sbenjsc dma->size = size; 864173362Sbenjsc 865278366Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), alignment, 866278366Sadrian 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, size, 867278366Sadrian 1, size, BUS_DMA_NOWAIT, NULL, NULL, &dma->tag); 868278366Sadrian if (error != 0) 869173362Sbenjsc goto fail; 870278366Sadrian 871278366Sadrian error = bus_dmamem_alloc(dma->tag, (void **)&dma->vaddr, 872278366Sadrian BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, &dma->map); 873278366Sadrian if (error != 0) 874173362Sbenjsc goto fail; 875173362Sbenjsc 876278366Sadrian error = bus_dmamap_load(dma->tag, dma->map, dma->vaddr, size, 877278366Sadrian wpi_dma_map_addr, &dma->paddr, BUS_DMA_NOWAIT); 878278366Sadrian if (error != 0) 879278366Sadrian goto fail; 880177043Sthompsa 881278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 882177043Sthompsa 883173362Sbenjsc if (kvap != NULL) 884173362Sbenjsc *kvap = dma->vaddr; 885173362Sbenjsc 886173362Sbenjsc return 0; 887173362Sbenjsc 888278366Sadrianfail: wpi_dma_contig_free(dma); 889173362Sbenjsc return error; 890173362Sbenjsc} 891173362Sbenjsc 892173362Sbenjscstatic void 893173362Sbenjscwpi_dma_contig_free(struct wpi_dma_info *dma) 894173362Sbenjsc{ 895278366Sadrian if (dma->vaddr != NULL) { 896278366Sadrian bus_dmamap_sync(dma->tag, dma->map, 897278366Sadrian BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 898278366Sadrian bus_dmamap_unload(dma->tag, dma->map); 899278366Sadrian bus_dmamem_free(dma->tag, dma->vaddr, dma->map); 900278366Sadrian dma->vaddr = NULL; 901278366Sadrian } 902278366Sadrian if (dma->tag != NULL) { 903173362Sbenjsc bus_dma_tag_destroy(dma->tag); 904278366Sadrian dma->tag = NULL; 905173362Sbenjsc } 906173362Sbenjsc} 907173362Sbenjsc 908173362Sbenjsc/* 909173362Sbenjsc * Allocate a shared page between host and NIC. 910173362Sbenjsc */ 911173362Sbenjscstatic int 912173362Sbenjscwpi_alloc_shared(struct wpi_softc *sc) 913173362Sbenjsc{ 914278366Sadrian /* Shared buffer must be aligned on a 4KB boundary. */ 915278366Sadrian return wpi_dma_contig_alloc(sc, &sc->shared_dma, 916278366Sadrian (void **)&sc->shared, sizeof (struct wpi_shared), 4096); 917173362Sbenjsc} 918173362Sbenjsc 919173362Sbenjscstatic void 920173362Sbenjscwpi_free_shared(struct wpi_softc *sc) 921173362Sbenjsc{ 922173362Sbenjsc wpi_dma_contig_free(&sc->shared_dma); 923173362Sbenjsc} 924173362Sbenjsc 925278366Sadrian/* 926278366Sadrian * Allocate DMA-safe memory for firmware transfer. 927278366Sadrian */ 928173362Sbenjscstatic int 929278366Sadrianwpi_alloc_fwmem(struct wpi_softc *sc) 930173362Sbenjsc{ 931278366Sadrian /* Must be aligned on a 16-byte boundary. */ 932278366Sadrian return wpi_dma_contig_alloc(sc, &sc->fw_dma, NULL, 933278366Sadrian WPI_FW_TEXT_MAXSZ + WPI_FW_DATA_MAXSZ, 16); 934278366Sadrian} 935173362Sbenjsc 936278366Sadrianstatic void 937278366Sadrianwpi_free_fwmem(struct wpi_softc *sc) 938278366Sadrian{ 939278366Sadrian wpi_dma_contig_free(&sc->fw_dma); 940278366Sadrian} 941278366Sadrian 942278366Sadrianstatic int 943278366Sadrianwpi_alloc_rx_ring(struct wpi_softc *sc) 944278366Sadrian{ 945278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 946278366Sadrian bus_size_t size; 947173362Sbenjsc int i, error; 948173362Sbenjsc 949173362Sbenjsc ring->cur = 0; 950278366Sadrian ring->update = 0; 951173362Sbenjsc 952278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 953278366Sadrian 954278366Sadrian /* Allocate RX descriptors (16KB aligned.) */ 955278366Sadrian size = WPI_RX_RING_COUNT * sizeof (uint32_t); 956173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->desc_dma, 957278366Sadrian (void **)&ring->desc, size, WPI_RING_DMA_ALIGN); 958173362Sbenjsc if (error != 0) { 959177043Sthompsa device_printf(sc->sc_dev, 960278366Sadrian "%s: could not allocate RX ring DMA memory, error %d\n", 961177043Sthompsa __func__, error); 962177043Sthompsa goto fail; 963173362Sbenjsc } 964173362Sbenjsc 965278366Sadrian /* Create RX buffer DMA tag. */ 966280059Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 967278366Sadrian BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 968278366Sadrian MJUMPAGESIZE, 1, MJUMPAGESIZE, BUS_DMA_NOWAIT, NULL, NULL, 969278366Sadrian &ring->data_dmat); 970280059Sadrian if (error != 0) { 971280059Sadrian device_printf(sc->sc_dev, 972278366Sadrian "%s: could not create RX buf DMA tag, error %d\n", 973177043Sthompsa __func__, error); 974280059Sadrian goto fail; 975280059Sadrian } 976177043Sthompsa 977173362Sbenjsc /* 978278366Sadrian * Allocate and map RX buffers. 979173362Sbenjsc */ 980173362Sbenjsc for (i = 0; i < WPI_RX_RING_COUNT; i++) { 981177043Sthompsa struct wpi_rx_data *data = &ring->data[i]; 982177043Sthompsa bus_addr_t paddr; 983173362Sbenjsc 984177043Sthompsa error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 985177043Sthompsa if (error != 0) { 986173362Sbenjsc device_printf(sc->sc_dev, 987278366Sadrian "%s: could not create RX buf DMA map, error %d\n", 988177043Sthompsa __func__, error); 989173362Sbenjsc goto fail; 990173362Sbenjsc } 991278366Sadrian 992278366Sadrian data->m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 993278366Sadrian if (data->m == NULL) { 994173362Sbenjsc device_printf(sc->sc_dev, 995278366Sadrian "%s: could not allocate RX mbuf\n", __func__); 996278366Sadrian error = ENOBUFS; 997173362Sbenjsc goto fail; 998173362Sbenjsc } 999278366Sadrian 1000177043Sthompsa error = bus_dmamap_load(ring->data_dmat, data->map, 1001278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1002278366Sadrian &paddr, BUS_DMA_NOWAIT); 1003177043Sthompsa if (error != 0 && error != EFBIG) { 1004177043Sthompsa device_printf(sc->sc_dev, 1005278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, 1006278366Sadrian error); 1007173362Sbenjsc goto fail; 1008173362Sbenjsc } 1009177043Sthompsa 1010278366Sadrian /* Set physical address of RX buffer. */ 1011177043Sthompsa ring->desc[i] = htole32(paddr); 1012173362Sbenjsc } 1013278366Sadrian 1014173362Sbenjsc bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1015173362Sbenjsc BUS_DMASYNC_PREWRITE); 1016278366Sadrian 1017278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1018278366Sadrian 1019173362Sbenjsc return 0; 1020278366Sadrian 1021278366Sadrianfail: wpi_free_rx_ring(sc); 1022278366Sadrian 1023278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1024278366Sadrian 1025173362Sbenjsc return error; 1026173362Sbenjsc} 1027173362Sbenjsc 1028173362Sbenjscstatic void 1029278366Sadrianwpi_update_rx_ring(struct wpi_softc *sc) 1030173362Sbenjsc{ 1031278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1032173362Sbenjsc 1033280056Sadrian if (ring->update != 0) { 1034280056Sadrian /* Wait for INT_WAKEUP event. */ 1035280056Sadrian return; 1036280056Sadrian } 1037280056Sadrian 1038278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1039278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s: wakeup request\n", 1040278366Sadrian __func__); 1041173362Sbenjsc 1042278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1043278366Sadrian ring->update = 1; 1044278366Sadrian } else 1045278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, ring->cur & ~7); 1046278366Sadrian} 1047173362Sbenjsc 1048278366Sadrianstatic void 1049278366Sadrianwpi_reset_rx_ring(struct wpi_softc *sc) 1050278366Sadrian{ 1051278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1052278366Sadrian int ntries; 1053173362Sbenjsc 1054278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1055173362Sbenjsc 1056278366Sadrian if (wpi_nic_lock(sc) == 0) { 1057278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 0); 1058278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 1059278366Sadrian if (WPI_READ(sc, WPI_FH_RX_STATUS) & 1060278366Sadrian WPI_FH_RX_STATUS_IDLE) 1061278366Sadrian break; 1062278366Sadrian DELAY(10); 1063278366Sadrian } 1064173362Sbenjsc#ifdef WPI_DEBUG 1065278366Sadrian if (ntries == 1000) { 1066278366Sadrian device_printf(sc->sc_dev, 1067278366Sadrian "timeout resetting Rx ring\n"); 1068278366Sadrian } 1069173362Sbenjsc#endif 1070278366Sadrian wpi_nic_unlock(sc); 1071278366Sadrian } 1072173362Sbenjsc 1073173362Sbenjsc ring->cur = 0; 1074278366Sadrian ring->update = 0; 1075173362Sbenjsc} 1076173362Sbenjsc 1077173362Sbenjscstatic void 1078278366Sadrianwpi_free_rx_ring(struct wpi_softc *sc) 1079173362Sbenjsc{ 1080278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1081173362Sbenjsc int i; 1082173362Sbenjsc 1083278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1084278366Sadrian 1085173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1086173362Sbenjsc 1087216824Sbschmidt for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1088216824Sbschmidt struct wpi_rx_data *data = &ring->data[i]; 1089216824Sbschmidt 1090216824Sbschmidt if (data->m != NULL) { 1091216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, 1092216824Sbschmidt BUS_DMASYNC_POSTREAD); 1093216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1094216824Sbschmidt m_freem(data->m); 1095278366Sadrian data->m = NULL; 1096216824Sbschmidt } 1097216824Sbschmidt if (data->map != NULL) 1098216824Sbschmidt bus_dmamap_destroy(ring->data_dmat, data->map); 1099216824Sbschmidt } 1100278366Sadrian if (ring->data_dmat != NULL) { 1101278366Sadrian bus_dma_tag_destroy(ring->data_dmat); 1102278366Sadrian ring->data_dmat = NULL; 1103278366Sadrian } 1104173362Sbenjsc} 1105173362Sbenjsc 1106173362Sbenjscstatic int 1107278366Sadrianwpi_alloc_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring, int qid) 1108173362Sbenjsc{ 1109278366Sadrian bus_addr_t paddr; 1110278366Sadrian bus_size_t size; 1111173362Sbenjsc int i, error; 1112173362Sbenjsc 1113173362Sbenjsc ring->qid = qid; 1114173362Sbenjsc ring->queued = 0; 1115173362Sbenjsc ring->cur = 0; 1116278366Sadrian ring->update = 0; 1117173362Sbenjsc 1118278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1119173362Sbenjsc 1120278366Sadrian /* Allocate TX descriptors (16KB aligned.) */ 1121278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_desc); 1122278366Sadrian error = wpi_dma_contig_alloc(sc, &ring->desc_dma, (void **)&ring->desc, 1123278366Sadrian size, WPI_RING_DMA_ALIGN); 1124173362Sbenjsc if (error != 0) { 1125278366Sadrian device_printf(sc->sc_dev, 1126278366Sadrian "%s: could not allocate TX ring DMA memory, error %d\n", 1127278366Sadrian __func__, error); 1128278366Sadrian goto fail; 1129173362Sbenjsc } 1130173362Sbenjsc 1131278366Sadrian /* Update shared area with ring physical address. */ 1132173362Sbenjsc sc->shared->txbase[qid] = htole32(ring->desc_dma.paddr); 1133278366Sadrian bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 1134278366Sadrian BUS_DMASYNC_PREWRITE); 1135173362Sbenjsc 1136278366Sadrian /* 1137278366Sadrian * We only use rings 0 through 4 (4 EDCA + cmd) so there is no need 1138278366Sadrian * to allocate commands space for other rings. 1139278366Sadrian * XXX Do we really need to allocate descriptors for other rings? 1140278366Sadrian */ 1141280064Sadrian if (qid > WPI_CMD_QUEUE_NUM) 1142278366Sadrian return 0; 1143278366Sadrian 1144278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_cmd); 1145173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->cmd_dma, (void **)&ring->cmd, 1146278366Sadrian size, 4); 1147173362Sbenjsc if (error != 0) { 1148173362Sbenjsc device_printf(sc->sc_dev, 1149278366Sadrian "%s: could not allocate TX cmd DMA memory, error %d\n", 1150278366Sadrian __func__, error); 1151173362Sbenjsc goto fail; 1152173362Sbenjsc } 1153173362Sbenjsc 1154173362Sbenjsc error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1155173362Sbenjsc BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1156173362Sbenjsc WPI_MAX_SCATTER - 1, MCLBYTES, BUS_DMA_NOWAIT, NULL, NULL, 1157173362Sbenjsc &ring->data_dmat); 1158173362Sbenjsc if (error != 0) { 1159278366Sadrian device_printf(sc->sc_dev, 1160278366Sadrian "%s: could not create TX buf DMA tag, error %d\n", 1161278366Sadrian __func__, error); 1162173362Sbenjsc goto fail; 1163173362Sbenjsc } 1164173362Sbenjsc 1165278366Sadrian paddr = ring->cmd_dma.paddr; 1166278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1167278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1168173362Sbenjsc 1169278366Sadrian data->cmd_paddr = paddr; 1170278366Sadrian paddr += sizeof (struct wpi_tx_cmd); 1171278366Sadrian 1172173362Sbenjsc error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1173173362Sbenjsc if (error != 0) { 1174173362Sbenjsc device_printf(sc->sc_dev, 1175278366Sadrian "%s: could not create TX buf DMA map, error %d\n", 1176278366Sadrian __func__, error); 1177173362Sbenjsc goto fail; 1178173362Sbenjsc } 1179173362Sbenjsc } 1180173362Sbenjsc 1181278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1182278366Sadrian 1183173362Sbenjsc return 0; 1184173362Sbenjsc 1185278366Sadrianfail: wpi_free_tx_ring(sc, ring); 1186278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1187173362Sbenjsc return error; 1188173362Sbenjsc} 1189173362Sbenjsc 1190173362Sbenjscstatic void 1191278366Sadrianwpi_update_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1192278366Sadrian{ 1193280056Sadrian if (ring->update != 0) { 1194280056Sadrian /* Wait for INT_WAKEUP event. */ 1195280056Sadrian return; 1196280056Sadrian } 1197280056Sadrian 1198278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1199278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s (%d): requesting wakeup\n", 1200278366Sadrian __func__, ring->qid); 1201278366Sadrian 1202278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1203278366Sadrian ring->update = 1; 1204278366Sadrian } else 1205278366Sadrian WPI_WRITE(sc, WPI_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur); 1206278366Sadrian} 1207278366Sadrian 1208278366Sadrianstatic void 1209173362Sbenjscwpi_reset_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1210173362Sbenjsc{ 1211278366Sadrian int i; 1212173362Sbenjsc 1213278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1214173362Sbenjsc 1215278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1216278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1217173362Sbenjsc 1218173362Sbenjsc if (data->m != NULL) { 1219278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1220278366Sadrian BUS_DMASYNC_POSTWRITE); 1221173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1222173362Sbenjsc m_freem(data->m); 1223173362Sbenjsc data->m = NULL; 1224173362Sbenjsc } 1225173362Sbenjsc } 1226278366Sadrian /* Clear TX descriptors. */ 1227278366Sadrian memset(ring->desc, 0, ring->desc_dma.size); 1228278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1229278366Sadrian BUS_DMASYNC_PREWRITE); 1230278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1231173362Sbenjsc ring->queued = 0; 1232173362Sbenjsc ring->cur = 0; 1233278366Sadrian ring->update = 0; 1234173362Sbenjsc} 1235173362Sbenjsc 1236173362Sbenjscstatic void 1237173362Sbenjscwpi_free_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1238173362Sbenjsc{ 1239173362Sbenjsc int i; 1240173362Sbenjsc 1241278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1242278366Sadrian 1243173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1244173362Sbenjsc wpi_dma_contig_free(&ring->cmd_dma); 1245173362Sbenjsc 1246278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1247278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1248173362Sbenjsc 1249278366Sadrian if (data->m != NULL) { 1250278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1251278366Sadrian BUS_DMASYNC_POSTWRITE); 1252278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1253278366Sadrian m_freem(data->m); 1254173362Sbenjsc } 1255278366Sadrian if (data->map != NULL) 1256278366Sadrian bus_dmamap_destroy(ring->data_dmat, data->map); 1257173362Sbenjsc } 1258278366Sadrian if (ring->data_dmat != NULL) { 1259173362Sbenjsc bus_dma_tag_destroy(ring->data_dmat); 1260278366Sadrian ring->data_dmat = NULL; 1261278366Sadrian } 1262173362Sbenjsc} 1263173362Sbenjsc 1264278366Sadrian/* 1265278366Sadrian * Extract various information from EEPROM. 1266278366Sadrian */ 1267173362Sbenjscstatic int 1268278366Sadrianwpi_read_eeprom(struct wpi_softc *sc, uint8_t macaddr[IEEE80211_ADDR_LEN]) 1269173362Sbenjsc{ 1270278366Sadrian#define WPI_CHK(res) do { \ 1271278366Sadrian if ((error = res) != 0) \ 1272278366Sadrian goto fail; \ 1273278366Sadrian} while (0) 1274278366Sadrian int error, i; 1275173362Sbenjsc 1276278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1277173362Sbenjsc 1278278366Sadrian /* Adapter has to be powered on for EEPROM access to work. */ 1279278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 1280278366Sadrian device_printf(sc->sc_dev, 1281278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 1282278366Sadrian error); 1283278366Sadrian return error; 1284278366Sadrian } 1285278366Sadrian 1286278366Sadrian if ((WPI_READ(sc, WPI_EEPROM_GP) & 0x6) == 0) { 1287278366Sadrian device_printf(sc->sc_dev, "bad EEPROM signature\n"); 1288278366Sadrian error = EIO; 1289278366Sadrian goto fail; 1290278366Sadrian } 1291278366Sadrian /* Clear HW ownership of EEPROM. */ 1292278366Sadrian WPI_CLRBITS(sc, WPI_EEPROM_GP, WPI_EEPROM_GP_IF_OWNER); 1293278366Sadrian 1294278366Sadrian /* Read the hardware capabilities, revision and SKU type. */ 1295278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_SKU_CAP, &sc->cap, 1296278366Sadrian sizeof(sc->cap))); 1297278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_REVISION, &sc->rev, 1298278366Sadrian sizeof(sc->rev))); 1299278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_TYPE, &sc->type, 1300278366Sadrian sizeof(sc->type))); 1301278366Sadrian 1302280066Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, "cap=%x rev=%x type=%x\n", sc->cap, 1303280066Sadrian le16toh(sc->rev), sc->type); 1304278366Sadrian 1305278366Sadrian /* Read the regulatory domain (4 ASCII characters.) */ 1306278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_DOMAIN, sc->domain, 1307278366Sadrian sizeof(sc->domain))); 1308278366Sadrian 1309278366Sadrian /* Read MAC address. */ 1310278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_MAC, macaddr, 1311278366Sadrian IEEE80211_ADDR_LEN)); 1312278366Sadrian 1313278366Sadrian /* Read the list of authorized channels. */ 1314278366Sadrian for (i = 0; i < WPI_CHAN_BANDS_COUNT; i++) 1315278366Sadrian WPI_CHK(wpi_read_eeprom_channels(sc, i)); 1316278366Sadrian 1317278366Sadrian /* Read the list of TX power groups. */ 1318278366Sadrian for (i = 0; i < WPI_POWER_GROUPS_COUNT; i++) 1319278366Sadrian WPI_CHK(wpi_read_eeprom_group(sc, i)); 1320278366Sadrian 1321278366Sadrianfail: wpi_apm_stop(sc); /* Power OFF adapter. */ 1322278366Sadrian 1323278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, error ? TRACE_STR_END_ERR : TRACE_STR_END, 1324278366Sadrian __func__); 1325278366Sadrian 1326278366Sadrian return error; 1327278366Sadrian#undef WPI_CHK 1328278366Sadrian} 1329278366Sadrian 1330278366Sadrian/* 1331278366Sadrian * Translate EEPROM flags to net80211. 1332278366Sadrian */ 1333278366Sadrianstatic uint32_t 1334278366Sadrianwpi_eeprom_channel_flags(struct wpi_eeprom_chan *channel) 1335278366Sadrian{ 1336278366Sadrian uint32_t nflags; 1337278366Sadrian 1338278366Sadrian nflags = 0; 1339278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_ACTIVE) == 0) 1340278366Sadrian nflags |= IEEE80211_CHAN_PASSIVE; 1341278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_IBSS) == 0) 1342278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1343278366Sadrian if (channel->flags & WPI_EEPROM_CHAN_RADAR) { 1344278366Sadrian nflags |= IEEE80211_CHAN_DFS; 1345278366Sadrian /* XXX apparently IBSS may still be marked */ 1346278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1347278366Sadrian } 1348278366Sadrian 1349278366Sadrian return nflags; 1350278366Sadrian} 1351278366Sadrian 1352278366Sadrianstatic void 1353278366Sadrianwpi_read_eeprom_band(struct wpi_softc *sc, int n) 1354278366Sadrian{ 1355278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1356278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1357278366Sadrian struct wpi_eeprom_chan *channels = sc->eeprom_channels[n]; 1358278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1359278366Sadrian struct ieee80211_channel *c; 1360278366Sadrian uint8_t chan; 1361278366Sadrian int i, nflags; 1362278366Sadrian 1363278366Sadrian for (i = 0; i < band->nchan; i++) { 1364278366Sadrian if (!(channels[i].flags & WPI_EEPROM_CHAN_VALID)) { 1365278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 1366278366Sadrian "Channel Not Valid: %d, band %d\n", 1367278366Sadrian band->chan[i],n); 1368278366Sadrian continue; 1369278366Sadrian } 1370278366Sadrian 1371278366Sadrian chan = band->chan[i]; 1372278366Sadrian nflags = wpi_eeprom_channel_flags(&channels[i]); 1373278366Sadrian 1374278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1375278366Sadrian c->ic_ieee = chan; 1376278366Sadrian c->ic_maxregpower = channels[i].maxpwr; 1377278366Sadrian c->ic_maxpower = 2*c->ic_maxregpower; 1378278366Sadrian 1379278366Sadrian if (n == 0) { /* 2GHz band */ 1380280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1381280066Sadrian IEEE80211_CHAN_G); 1382280066Sadrian 1383278366Sadrian /* G =>'s B is supported */ 1384278366Sadrian c->ic_flags = IEEE80211_CHAN_B | nflags; 1385278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1386278366Sadrian c[0] = c[-1]; 1387278366Sadrian c->ic_flags = IEEE80211_CHAN_G | nflags; 1388278366Sadrian } else { /* 5GHz band */ 1389280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1390280066Sadrian IEEE80211_CHAN_A); 1391280066Sadrian 1392278366Sadrian c->ic_flags = IEEE80211_CHAN_A | nflags; 1393278366Sadrian } 1394278366Sadrian 1395278366Sadrian /* Save maximum allowed TX power for this channel. */ 1396278366Sadrian sc->maxpwr[chan] = channels[i].maxpwr; 1397278366Sadrian 1398278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1399278366Sadrian "adding chan %d (%dMHz) flags=0x%x maxpwr=%d passive=%d," 1400278366Sadrian " offset %d\n", chan, c->ic_freq, 1401278366Sadrian channels[i].flags, sc->maxpwr[chan], 1402278764Sadrian IEEE80211_IS_CHAN_PASSIVE(c), ic->ic_nchans); 1403278366Sadrian } 1404278366Sadrian} 1405278366Sadrian 1406278366Sadrian/** 1407278366Sadrian * Read the eeprom to find out what channels are valid for the given 1408278366Sadrian * band and update net80211 with what we find. 1409278366Sadrian */ 1410278366Sadrianstatic int 1411278366Sadrianwpi_read_eeprom_channels(struct wpi_softc *sc, int n) 1412278366Sadrian{ 1413278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1414278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1415278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1416278366Sadrian int error; 1417278366Sadrian 1418278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1419278366Sadrian 1420278366Sadrian error = wpi_read_prom_data(sc, band->addr, &sc->eeprom_channels[n], 1421278366Sadrian band->nchan * sizeof (struct wpi_eeprom_chan)); 1422278366Sadrian if (error != 0) { 1423278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1424278366Sadrian return error; 1425278366Sadrian } 1426278366Sadrian 1427278366Sadrian wpi_read_eeprom_band(sc, n); 1428278366Sadrian 1429278366Sadrian ieee80211_sort_channels(ic->ic_channels, ic->ic_nchans); 1430278366Sadrian 1431278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1432278366Sadrian 1433173362Sbenjsc return 0; 1434173362Sbenjsc} 1435173362Sbenjsc 1436278366Sadrianstatic struct wpi_eeprom_chan * 1437278366Sadrianwpi_find_eeprom_channel(struct wpi_softc *sc, struct ieee80211_channel *c) 1438278366Sadrian{ 1439278366Sadrian int i, j; 1440278366Sadrian 1441278366Sadrian for (j = 0; j < WPI_CHAN_BANDS_COUNT; j++) 1442278366Sadrian for (i = 0; i < wpi_bands[j].nchan; i++) 1443278366Sadrian if (wpi_bands[j].chan[i] == c->ic_ieee) 1444278366Sadrian return &sc->eeprom_channels[j][i]; 1445278366Sadrian 1446278366Sadrian return NULL; 1447278366Sadrian} 1448278366Sadrian 1449278366Sadrian/* 1450278366Sadrian * Enforce flags read from EEPROM. 1451278366Sadrian */ 1452173362Sbenjscstatic int 1453278366Sadrianwpi_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *rd, 1454278366Sadrian int nchan, struct ieee80211_channel chans[]) 1455173362Sbenjsc{ 1456278366Sadrian struct ifnet *ifp = ic->ic_ifp; 1457278366Sadrian struct wpi_softc *sc = ifp->if_softc; 1458278366Sadrian int i; 1459173362Sbenjsc 1460278366Sadrian for (i = 0; i < nchan; i++) { 1461278366Sadrian struct ieee80211_channel *c = &chans[i]; 1462278366Sadrian struct wpi_eeprom_chan *channel; 1463278366Sadrian 1464278366Sadrian channel = wpi_find_eeprom_channel(sc, c); 1465278366Sadrian if (channel == NULL) { 1466278366Sadrian if_printf(ic->ic_ifp, 1467278366Sadrian "%s: invalid channel %u freq %u/0x%x\n", 1468278366Sadrian __func__, c->ic_ieee, c->ic_freq, c->ic_flags); 1469278366Sadrian return EINVAL; 1470278366Sadrian } 1471278366Sadrian c->ic_flags |= wpi_eeprom_channel_flags(channel); 1472278366Sadrian } 1473278366Sadrian 1474173362Sbenjsc return 0; 1475173362Sbenjsc} 1476173362Sbenjsc 1477173362Sbenjscstatic int 1478278366Sadrianwpi_read_eeprom_group(struct wpi_softc *sc, int n) 1479173362Sbenjsc{ 1480278366Sadrian struct wpi_power_group *group = &sc->groups[n]; 1481278366Sadrian struct wpi_eeprom_group rgroup; 1482278366Sadrian int i, error; 1483173362Sbenjsc 1484278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1485173362Sbenjsc 1486278366Sadrian if ((error = wpi_read_prom_data(sc, WPI_EEPROM_POWER_GRP + n * 32, 1487278366Sadrian &rgroup, sizeof rgroup)) != 0) { 1488278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1489278366Sadrian return error; 1490278366Sadrian } 1491278366Sadrian 1492278366Sadrian /* Save TX power group information. */ 1493278366Sadrian group->chan = rgroup.chan; 1494278366Sadrian group->maxpwr = rgroup.maxpwr; 1495278366Sadrian /* Retrieve temperature at which the samples were taken. */ 1496278366Sadrian group->temp = (int16_t)le16toh(rgroup.temp); 1497278366Sadrian 1498278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1499278366Sadrian "power group %d: chan=%d maxpwr=%d temp=%d\n", n, group->chan, 1500278366Sadrian group->maxpwr, group->temp); 1501278366Sadrian 1502278366Sadrian for (i = 0; i < WPI_SAMPLES_COUNT; i++) { 1503278366Sadrian group->samples[i].index = rgroup.samples[i].index; 1504278366Sadrian group->samples[i].power = rgroup.samples[i].power; 1505278366Sadrian 1506278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1507278366Sadrian "\tsample %d: index=%d power=%d\n", i, 1508278366Sadrian group->samples[i].index, group->samples[i].power); 1509278366Sadrian } 1510278366Sadrian 1511278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1512278366Sadrian 1513173362Sbenjsc return 0; 1514173362Sbenjsc} 1515173362Sbenjsc 1516280069Sadrianstatic int 1517280069Sadrianwpi_add_node_entry_adhoc(struct wpi_softc *sc) 1518280069Sadrian{ 1519280069Sadrian int newid = WPI_ID_IBSS_MIN; 1520280069Sadrian 1521280069Sadrian for (; newid <= WPI_ID_IBSS_MAX; newid++) { 1522280069Sadrian if ((sc->nodesmsk & (1 << newid)) == 0) { 1523280069Sadrian sc->nodesmsk |= 1 << newid; 1524280069Sadrian return newid; 1525280069Sadrian } 1526280069Sadrian } 1527280069Sadrian 1528280069Sadrian return WPI_ID_UNDEFINED; 1529280069Sadrian} 1530280069Sadrian 1531280069Sadrianstatic __inline int 1532280070Sadrianwpi_add_node_entry_sta(struct wpi_softc *sc) 1533280070Sadrian{ 1534280070Sadrian sc->nodesmsk |= 1 << WPI_ID_BSS; 1535280070Sadrian 1536280070Sadrian return WPI_ID_BSS; 1537280070Sadrian} 1538280070Sadrian 1539280070Sadrianstatic __inline int 1540280069Sadrianwpi_check_node_entry(struct wpi_softc *sc, uint8_t id) 1541280069Sadrian{ 1542280069Sadrian if (id == WPI_ID_UNDEFINED) 1543280069Sadrian return 0; 1544280069Sadrian 1545280069Sadrian return (sc->nodesmsk >> id) & 1; 1546280069Sadrian} 1547280069Sadrian 1548280069Sadrianstatic __inline void 1549280069Sadrianwpi_clear_node_table(struct wpi_softc *sc) 1550280069Sadrian{ 1551280069Sadrian sc->nodesmsk = 0; 1552280069Sadrian} 1553280069Sadrian 1554280069Sadrianstatic __inline void 1555280069Sadrianwpi_del_node_entry(struct wpi_softc *sc, uint8_t id) 1556280069Sadrian{ 1557280069Sadrian sc->nodesmsk &= ~(1 << id); 1558280069Sadrian} 1559280069Sadrian 1560278366Sadrianstatic struct ieee80211_node * 1561278366Sadrianwpi_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 1562278366Sadrian{ 1563278366Sadrian struct wpi_node *wn; 1564278366Sadrian 1565278366Sadrian wn = malloc(sizeof (struct wpi_node), M_80211_NODE, 1566278366Sadrian M_NOWAIT | M_ZERO); 1567278366Sadrian 1568278366Sadrian if (wn == NULL) 1569278366Sadrian return NULL; 1570278366Sadrian 1571278366Sadrian wn->id = WPI_ID_UNDEFINED; 1572278366Sadrian 1573278366Sadrian return &wn->ni; 1574278366Sadrian} 1575278366Sadrian 1576278366Sadrianstatic void 1577278366Sadrianwpi_node_free(struct ieee80211_node *ni) 1578278366Sadrian{ 1579278366Sadrian struct ieee80211com *ic = ni->ni_ic; 1580278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 1581280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 1582278366Sadrian 1583280070Sadrian if (wn->id != WPI_ID_UNDEFINED) { 1584278366Sadrian WPI_LOCK(sc); 1585280069Sadrian if (wpi_check_node_entry(sc, wn->id)) { 1586280069Sadrian wpi_del_node_entry(sc, wn->id); 1587278366Sadrian wpi_del_node(sc, ni); 1588280069Sadrian } 1589278366Sadrian WPI_UNLOCK(sc); 1590278366Sadrian } 1591278366Sadrian 1592278366Sadrian sc->sc_node_free(ni); 1593278366Sadrian} 1594278366Sadrian 1595173362Sbenjsc/** 1596173362Sbenjsc * Called by net80211 when ever there is a change to 80211 state machine 1597173362Sbenjsc */ 1598173362Sbenjscstatic int 1599178354Ssamwpi_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1600173362Sbenjsc{ 1601178354Ssam struct wpi_vap *wvp = WPI_VAP(vap); 1602178354Ssam struct ieee80211com *ic = vap->iv_ic; 1603173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 1604173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 1605278366Sadrian int error = 0; 1606173362Sbenjsc 1607278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1608278366Sadrian 1609278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "%s: %s -> %s\n", __func__, 1610178354Ssam ieee80211_state_name[vap->iv_state], 1611278366Sadrian ieee80211_state_name[nstate]); 1612173362Sbenjsc 1613191746Sthompsa IEEE80211_UNLOCK(ic); 1614191746Sthompsa WPI_LOCK(sc); 1615278366Sadrian switch (nstate) { 1616278366Sadrian case IEEE80211_S_SCAN: 1617278366Sadrian if ((vap->iv_opmode == IEEE80211_M_IBSS || 1618278366Sadrian vap->iv_opmode == IEEE80211_M_AHDEMO) && 1619278366Sadrian (sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 1620278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 1621278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 1622278366Sadrian device_printf(sc->sc_dev, 1623278366Sadrian "%s: could not send RXON\n", __func__); 1624278366Sadrian } 1625216238Sbschmidt } 1626278366Sadrian break; 1627278366Sadrian 1628278366Sadrian case IEEE80211_S_ASSOC: 1629278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1630278366Sadrian break; 1631278366Sadrian /* FALLTHROUGH */ 1632278366Sadrian case IEEE80211_S_AUTH: 1633216238Sbschmidt /* 1634216238Sbschmidt * The node must be registered in the firmware before auth. 1635216238Sbschmidt * Also the associd must be cleared on RUN -> ASSOC 1636216238Sbschmidt * transitions. 1637216238Sbschmidt */ 1638278366Sadrian if ((error = wpi_auth(sc, vap)) != 0) { 1639191746Sthompsa device_printf(sc->sc_dev, 1640278366Sadrian "%s: could not move to AUTH state, error %d\n", 1641191746Sthompsa __func__, error); 1642191746Sthompsa } 1643278366Sadrian break; 1644278366Sadrian 1645278366Sadrian case IEEE80211_S_RUN: 1646278366Sadrian /* 1647278366Sadrian * RUN -> RUN transition; Just restart the timers. 1648278366Sadrian */ 1649278366Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 1650278366Sadrian wpi_calib_timeout(sc); 1651278366Sadrian break; 1652278366Sadrian } 1653278366Sadrian 1654278366Sadrian /* 1655278366Sadrian * !RUN -> RUN requires setting the association id 1656278366Sadrian * which is done with a firmware cmd. We also defer 1657278366Sadrian * starting the timers until that work is done. 1658278366Sadrian */ 1659278366Sadrian if ((error = wpi_run(sc, vap)) != 0) { 1660191746Sthompsa device_printf(sc->sc_dev, 1661278366Sadrian "%s: could not move to RUN state\n", __func__); 1662191746Sthompsa } 1663278366Sadrian break; 1664278366Sadrian 1665278366Sadrian default: 1666278366Sadrian break; 1667178354Ssam } 1668191746Sthompsa WPI_UNLOCK(sc); 1669191746Sthompsa IEEE80211_LOCK(ic); 1670278366Sadrian if (error != 0) { 1671278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1672278366Sadrian return error; 1673278366Sadrian } 1674173362Sbenjsc 1675278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1676173362Sbenjsc 1677278366Sadrian return wvp->newstate(vap, nstate, arg); 1678173362Sbenjsc} 1679173362Sbenjsc 1680173362Sbenjscstatic void 1681278366Sadrianwpi_calib_timeout(void *arg) 1682173362Sbenjsc{ 1683278366Sadrian struct wpi_softc *sc = arg; 1684278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1685278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1686278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1687173362Sbenjsc 1688278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1689278366Sadrian return; 1690173362Sbenjsc 1691278366Sadrian wpi_power_calibration(sc); 1692173362Sbenjsc 1693278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 1694173362Sbenjsc} 1695173362Sbenjsc 1696278366Sadrianstatic __inline uint8_t 1697278366Sadrianrate2plcp(const uint8_t rate) 1698173362Sbenjsc{ 1699278366Sadrian switch (rate) { 1700278366Sadrian case 12: return 0xd; 1701278366Sadrian case 18: return 0xf; 1702278366Sadrian case 24: return 0x5; 1703278366Sadrian case 36: return 0x7; 1704278366Sadrian case 48: return 0x9; 1705278366Sadrian case 72: return 0xb; 1706278366Sadrian case 96: return 0x1; 1707278366Sadrian case 108: return 0x3; 1708278366Sadrian case 2: return 10; 1709278366Sadrian case 4: return 20; 1710278366Sadrian case 11: return 55; 1711278366Sadrian case 22: return 110; 1712278366Sadrian default: return 0; 1713173362Sbenjsc } 1714173362Sbenjsc} 1715173362Sbenjsc 1716278366Sadrianstatic __inline uint8_t 1717278366Sadrianplcp2rate(const uint8_t plcp) 1718173362Sbenjsc{ 1719278366Sadrian switch (plcp) { 1720278366Sadrian case 0xd: return 12; 1721278366Sadrian case 0xf: return 18; 1722278366Sadrian case 0x5: return 24; 1723278366Sadrian case 0x7: return 36; 1724278366Sadrian case 0x9: return 48; 1725278366Sadrian case 0xb: return 72; 1726278366Sadrian case 0x1: return 96; 1727278366Sadrian case 0x3: return 108; 1728278366Sadrian case 10: return 2; 1729278366Sadrian case 20: return 4; 1730278366Sadrian case 55: return 11; 1731278366Sadrian case 110: return 22; 1732278366Sadrian default: return 0; 1733173362Sbenjsc } 1734278366Sadrian} 1735173362Sbenjsc 1736278366Sadrian/* Quickly determine if a given rate is CCK or OFDM. */ 1737278366Sadrian#define WPI_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22) 1738173362Sbenjsc 1739173362Sbenjscstatic void 1740278366Sadrianwpi_rx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1741278366Sadrian struct wpi_rx_data *data) 1742173362Sbenjsc{ 1743178354Ssam struct ifnet *ifp = sc->sc_ifp; 1744278366Sadrian const struct ieee80211_cipher *cip = NULL; 1745178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1746173362Sbenjsc struct wpi_rx_ring *ring = &sc->rxq; 1747173362Sbenjsc struct wpi_rx_stat *stat; 1748173362Sbenjsc struct wpi_rx_head *head; 1749173362Sbenjsc struct wpi_rx_tail *tail; 1750278366Sadrian struct ieee80211_frame *wh; 1751173362Sbenjsc struct ieee80211_node *ni; 1752278366Sadrian struct mbuf *m, *m1; 1753177043Sthompsa bus_addr_t paddr; 1754278366Sadrian uint32_t flags; 1755278366Sadrian uint16_t len; 1756177043Sthompsa int error; 1757173362Sbenjsc 1758173362Sbenjsc stat = (struct wpi_rx_stat *)(desc + 1); 1759173362Sbenjsc 1760173362Sbenjsc if (stat->len > WPI_STAT_MAXLEN) { 1761278366Sadrian device_printf(sc->sc_dev, "invalid RX statistic header\n"); 1762278764Sadrian goto fail1; 1763173362Sbenjsc } 1764173362Sbenjsc 1765216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTREAD); 1766173362Sbenjsc head = (struct wpi_rx_head *)((caddr_t)(stat + 1) + stat->len); 1767278366Sadrian len = le16toh(head->len); 1768278366Sadrian tail = (struct wpi_rx_tail *)((caddr_t)(head + 1) + len); 1769278366Sadrian flags = le32toh(tail->flags); 1770173362Sbenjsc 1771278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: idx %d len %d stat len %u rssi %d" 1772278366Sadrian " rate %x chan %d tstamp %ju\n", __func__, ring->cur, 1773278366Sadrian le32toh(desc->len), len, (int8_t)stat->rssi, 1774278366Sadrian head->plcp, head->chan, (uintmax_t)le64toh(tail->tstamp)); 1775173362Sbenjsc 1776278366Sadrian /* Discard frames with a bad FCS early. */ 1777278366Sadrian if ((flags & WPI_RX_NOERROR) != WPI_RX_NOERROR) { 1778278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: RX flags error %x\n", 1779278366Sadrian __func__, flags); 1780278764Sadrian goto fail1; 1781190458Sjmallett } 1782278366Sadrian /* Discard frames that are too short. */ 1783278366Sadrian if (len < sizeof (*wh)) { 1784278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: frame too short: %d\n", 1785278366Sadrian __func__, len); 1786278764Sadrian goto fail1; 1787190458Sjmallett } 1788190458Sjmallett 1789278366Sadrian m1 = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1790278366Sadrian if (m1 == NULL) { 1791278366Sadrian DPRINTF(sc, WPI_DEBUG_ANY, "%s: no mbuf to restock ring\n", 1792278366Sadrian __func__); 1793278764Sadrian goto fail1; 1794177043Sthompsa } 1795216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1796216824Sbschmidt 1797278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, mtod(m1, void *), 1798278366Sadrian MJUMPAGESIZE, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 1799177043Sthompsa if (error != 0 && error != EFBIG) { 1800177043Sthompsa device_printf(sc->sc_dev, 1801177043Sthompsa "%s: bus_dmamap_load failed, error %d\n", __func__, error); 1802278366Sadrian m_freem(m1); 1803278366Sadrian 1804278366Sadrian /* Try to reload the old mbuf. */ 1805278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, 1806278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1807278366Sadrian &paddr, BUS_DMA_NOWAIT); 1808278366Sadrian if (error != 0 && error != EFBIG) { 1809278366Sadrian panic("%s: could not load old RX mbuf", __func__); 1810278366Sadrian } 1811278366Sadrian /* Physical address may have changed. */ 1812278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1813278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->desc_dma.map, 1814278366Sadrian BUS_DMASYNC_PREWRITE); 1815278764Sadrian goto fail1; 1816177043Sthompsa } 1817177043Sthompsa 1818173362Sbenjsc m = data->m; 1819278366Sadrian data->m = m1; 1820278366Sadrian /* Update RX descriptor. */ 1821278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1822278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1823278366Sadrian BUS_DMASYNC_PREWRITE); 1824278366Sadrian 1825278366Sadrian /* Finalize mbuf. */ 1826173362Sbenjsc m->m_pkthdr.rcvif = ifp; 1827173362Sbenjsc m->m_data = (caddr_t)(head + 1); 1828278366Sadrian m->m_pkthdr.len = m->m_len = len; 1829173362Sbenjsc 1830278366Sadrian /* Grab a reference to the source node. */ 1831278366Sadrian wh = mtod(m, struct ieee80211_frame *); 1832278366Sadrian ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1833173362Sbenjsc 1834278366Sadrian if (ni != NULL) 1835278366Sadrian cip = ni->ni_ucastkey.wk_cipher; 1836278366Sadrian if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) && 1837278366Sadrian !IEEE80211_IS_MULTICAST(wh->i_addr1) && 1838278366Sadrian cip != NULL && cip->ic_cipher == IEEE80211_CIPHER_AES_CCM) { 1839278764Sadrian if ((flags & WPI_RX_CIPHER_MASK) != WPI_RX_CIPHER_CCMP) 1840278764Sadrian goto fail2; 1841278764Sadrian 1842278366Sadrian /* Check whether decryption was successful or not. */ 1843278366Sadrian if ((flags & WPI_RX_DECRYPT_MASK) != WPI_RX_DECRYPT_OK) { 1844278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, 1845278366Sadrian "CCMP decryption failed 0x%x\n", flags); 1846278764Sadrian goto fail2; 1847278366Sadrian } 1848278366Sadrian m->m_flags |= M_WEP; 1849278366Sadrian } 1850278366Sadrian 1851192468Ssam if (ieee80211_radiotap_active(ic)) { 1852173362Sbenjsc struct wpi_rx_radiotap_header *tap = &sc->sc_rxtap; 1853173362Sbenjsc 1854173362Sbenjsc tap->wr_flags = 0; 1855278366Sadrian if (head->flags & htole16(WPI_STAT_FLAG_SHPREAMBLE)) 1856278366Sadrian tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 1857280064Sadrian tap->wr_dbm_antsignal = (int8_t)(stat->rssi + WPI_RSSI_OFFSET); 1858173362Sbenjsc tap->wr_dbm_antnoise = (int8_t)le16toh(stat->noise); 1859173362Sbenjsc tap->wr_tsft = tail->tstamp; 1860173362Sbenjsc tap->wr_antenna = (le16toh(head->flags) >> 4) & 0xf; 1861278366Sadrian tap->wr_rate = plcp2rate(head->plcp); 1862173362Sbenjsc } 1863173362Sbenjsc 1864173362Sbenjsc WPI_UNLOCK(sc); 1865173362Sbenjsc 1866278366Sadrian /* Send the frame to the 802.11 layer. */ 1867178354Ssam if (ni != NULL) { 1868280064Sadrian (void)ieee80211_input(ni, m, stat->rssi, WPI_RSSI_OFFSET); 1869278366Sadrian /* Node is no longer needed. */ 1870178354Ssam ieee80211_free_node(ni); 1871178354Ssam } else 1872280064Sadrian (void)ieee80211_input_all(ic, m, stat->rssi, WPI_RSSI_OFFSET); 1873173362Sbenjsc 1874173362Sbenjsc WPI_LOCK(sc); 1875278764Sadrian 1876278764Sadrian return; 1877278764Sadrian 1878278764Sadrianfail2: ieee80211_free_node(ni); 1879278764Sadrian m_freem(m); 1880278764Sadrian 1881278764Sadrianfail1: if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1882173362Sbenjsc} 1883173362Sbenjsc 1884173362Sbenjscstatic void 1885278366Sadrianwpi_rx_statistics(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1886278366Sadrian struct wpi_rx_data *data) 1887173362Sbenjsc{ 1888278366Sadrian /* Ignore */ 1889278366Sadrian} 1890278366Sadrian 1891278366Sadrianstatic void 1892278366Sadrianwpi_tx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1893278366Sadrian{ 1894178354Ssam struct ifnet *ifp = sc->sc_ifp; 1895173362Sbenjsc struct wpi_tx_ring *ring = &sc->txq[desc->qid & 0x3]; 1896278366Sadrian struct wpi_tx_data *data = &ring->data[desc->idx]; 1897173362Sbenjsc struct wpi_tx_stat *stat = (struct wpi_tx_stat *)(desc + 1); 1898278366Sadrian struct mbuf *m; 1899278366Sadrian struct ieee80211_node *ni; 1900278366Sadrian struct ieee80211vap *vap; 1901280054Sadrian int ackfailcnt = stat->ackfailcnt / 2; /* wpi_mrr_setup() */ 1902278366Sadrian int status = le32toh(stat->status); 1903173362Sbenjsc 1904278366Sadrian KASSERT(data->ni != NULL, ("no node")); 1905173362Sbenjsc 1906278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1907278366Sadrian 1908278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: " 1909278366Sadrian "qid %d idx %d retries %d btkillcnt %d rate %x duration %d " 1910278764Sadrian "status %x\n", __func__, desc->qid, desc->idx, ackfailcnt, 1911278366Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), status); 1912278366Sadrian 1913278366Sadrian /* Unmap and free mbuf. */ 1914278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTWRITE); 1915278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1916278366Sadrian m = data->m, data->m = NULL; 1917278366Sadrian ni = data->ni, data->ni = NULL; 1918278366Sadrian vap = ni->ni_vap; 1919278366Sadrian 1920173362Sbenjsc /* 1921173362Sbenjsc * Update rate control statistics for the node. 1922173362Sbenjsc */ 1923278366Sadrian WPI_UNLOCK(sc); 1924278366Sadrian if ((status & 0xff) != 1) { 1925271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1926278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1927278764Sadrian IEEE80211_RATECTL_TX_FAILURE, &ackfailcnt, NULL); 1928278366Sadrian } else { 1929271849Sglebius if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1930278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1931278764Sadrian IEEE80211_RATECTL_TX_SUCCESS, &ackfailcnt, NULL); 1932278366Sadrian } 1933173362Sbenjsc 1934278366Sadrian ieee80211_tx_complete(ni, m, (status & 0xff) != 1); 1935278366Sadrian WPI_LOCK(sc); 1936173362Sbenjsc 1937278366Sadrian sc->sc_tx_timer = 0; 1938278366Sadrian if (--ring->queued < WPI_TX_RING_LOMARK) { 1939278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1940278366Sadrian if (sc->qfullmsk == 0 && 1941278366Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) { 1942278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1943278366Sadrian wpi_start_locked(ifp); 1944278366Sadrian } 1945278366Sadrian } 1946173362Sbenjsc 1947278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1948173362Sbenjsc} 1949173362Sbenjsc 1950278366Sadrian/* 1951278366Sadrian * Process a "command done" firmware notification. This is where we wakeup 1952278366Sadrian * processes waiting for a synchronous command completion. 1953278366Sadrian */ 1954173362Sbenjscstatic void 1955278366Sadrianwpi_cmd_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1956173362Sbenjsc{ 1957280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 1958173362Sbenjsc struct wpi_tx_data *data; 1959173362Sbenjsc 1960278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "cmd notification qid=%x idx=%d flags=%x " 1961278366Sadrian "type=%s len=%d\n", desc->qid, desc->idx, 1962278366Sadrian desc->flags, wpi_cmd_str(desc->type), 1963278366Sadrian le32toh(desc->len)); 1964173362Sbenjsc 1965280064Sadrian if ((desc->qid & WPI_RX_DESC_QID_MSK) != WPI_CMD_QUEUE_NUM) 1966278366Sadrian return; /* Not a command ack. */ 1967173362Sbenjsc 1968173362Sbenjsc data = &ring->data[desc->idx]; 1969173362Sbenjsc 1970278366Sadrian /* If the command was mapped in an mbuf, free it. */ 1971173362Sbenjsc if (data->m != NULL) { 1972278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1973278366Sadrian BUS_DMASYNC_POSTWRITE); 1974173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1975173362Sbenjsc m_freem(data->m); 1976173362Sbenjsc data->m = NULL; 1977173362Sbenjsc } 1978173362Sbenjsc 1979173362Sbenjsc sc->flags &= ~WPI_FLAG_BUSY; 1980173362Sbenjsc wakeup(&ring->cmd[desc->idx]); 1981173362Sbenjsc} 1982173362Sbenjsc 1983173362Sbenjscstatic void 1984173362Sbenjscwpi_notif_intr(struct wpi_softc *sc) 1985173362Sbenjsc{ 1986178354Ssam struct ifnet *ifp = sc->sc_ifp; 1987178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1988278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1989278366Sadrian int hw; 1990173362Sbenjsc 1991216523Sbschmidt bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 1992216523Sbschmidt BUS_DMASYNC_POSTREAD); 1993216523Sbschmidt 1994173362Sbenjsc hw = le32toh(sc->shared->next); 1995278366Sadrian hw = (hw == 0) ? WPI_RX_RING_COUNT - 1 : hw - 1; 1996216523Sbschmidt 1997278764Sadrian while (sc->rxq.cur != hw) { 1998278366Sadrian sc->rxq.cur = (sc->rxq.cur + 1) % WPI_RX_RING_COUNT; 1999278366Sadrian 2000278366Sadrian struct wpi_rx_data *data = &sc->rxq.data[sc->rxq.cur]; 2001278366Sadrian struct wpi_rx_desc *desc; 2002278366Sadrian 2003216523Sbschmidt bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2004216523Sbschmidt BUS_DMASYNC_POSTREAD); 2005278366Sadrian desc = mtod(data->m, struct wpi_rx_desc *); 2006173362Sbenjsc 2007278366Sadrian DPRINTF(sc, WPI_DEBUG_NOTIFY, 2008278366Sadrian "%s: cur=%d; qid %x idx %d flags %x type %d(%s) len %d\n", 2009278366Sadrian __func__, sc->rxq.cur, desc->qid, desc->idx, desc->flags, 2010278366Sadrian desc->type, wpi_cmd_str(desc->type), le32toh(desc->len)); 2011173362Sbenjsc 2012280064Sadrian if (!(desc->qid & WPI_UNSOLICITED_RX_NOTIF)) { 2013280064Sadrian /* Reply to a command. */ 2014278366Sadrian wpi_cmd_done(sc, desc); 2015280064Sadrian } 2016173362Sbenjsc 2017173362Sbenjsc switch (desc->type) { 2018173362Sbenjsc case WPI_RX_DONE: 2019278366Sadrian /* An 802.11 frame has been received. */ 2020278366Sadrian wpi_rx_done(sc, desc, data); 2021280055Sadrian 2022280055Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2023280055Sadrian /* wpi_stop() was called. */ 2024280055Sadrian return; 2025280055Sadrian } 2026280055Sadrian 2027173362Sbenjsc break; 2028173362Sbenjsc 2029173362Sbenjsc case WPI_TX_DONE: 2030278366Sadrian /* An 802.11 frame has been transmitted. */ 2031278366Sadrian wpi_tx_done(sc, desc); 2032173362Sbenjsc break; 2033173362Sbenjsc 2034278366Sadrian case WPI_RX_STATISTICS: 2035278366Sadrian case WPI_BEACON_STATISTICS: 2036278366Sadrian wpi_rx_statistics(sc, desc, data); 2037278366Sadrian break; 2038278366Sadrian 2039278366Sadrian case WPI_BEACON_MISSED: 2040278366Sadrian { 2041278366Sadrian struct wpi_beacon_missed *miss = 2042278366Sadrian (struct wpi_beacon_missed *)(desc + 1); 2043278366Sadrian int misses; 2044278366Sadrian 2045278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2046278366Sadrian BUS_DMASYNC_POSTREAD); 2047278366Sadrian misses = le32toh(miss->consecutive); 2048278366Sadrian 2049278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, 2050278366Sadrian "%s: beacons missed %d/%d\n", __func__, misses, 2051278366Sadrian le32toh(miss->total)); 2052278366Sadrian 2053278366Sadrian if (vap->iv_state == IEEE80211_S_RUN && 2054280051Sadrian (ic->ic_flags & IEEE80211_F_SCAN) == 0) { 2055278366Sadrian if (misses >= vap->iv_bmissthreshold) { 2056278366Sadrian WPI_UNLOCK(sc); 2057278366Sadrian ieee80211_beacon_miss(ic); 2058278366Sadrian WPI_LOCK(sc); 2059278366Sadrian } 2060278366Sadrian } 2061278366Sadrian break; 2062278366Sadrian } 2063173362Sbenjsc case WPI_UC_READY: 2064173362Sbenjsc { 2065173362Sbenjsc struct wpi_ucode_info *uc = 2066278366Sadrian (struct wpi_ucode_info *)(desc + 1); 2067173362Sbenjsc 2068278366Sadrian /* The microcontroller is ready. */ 2069278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2070278366Sadrian BUS_DMASYNC_POSTREAD); 2071278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, 2072278366Sadrian "microcode alive notification version=%d.%d " 2073278366Sadrian "subtype=%x alive=%x\n", uc->major, uc->minor, 2074278366Sadrian uc->subtype, le32toh(uc->valid)); 2075173362Sbenjsc 2076173362Sbenjsc if (le32toh(uc->valid) != 1) { 2077173362Sbenjsc device_printf(sc->sc_dev, 2078173362Sbenjsc "microcontroller initialization failed\n"); 2079173362Sbenjsc wpi_stop_locked(sc); 2080173362Sbenjsc } 2081278366Sadrian /* Save the address of the error log in SRAM. */ 2082278366Sadrian sc->errptr = le32toh(uc->errptr); 2083173362Sbenjsc break; 2084173362Sbenjsc } 2085173362Sbenjsc case WPI_STATE_CHANGED: 2086173362Sbenjsc { 2087280059Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2088280059Sadrian BUS_DMASYNC_POSTREAD); 2089278366Sadrian 2090173362Sbenjsc uint32_t *status = (uint32_t *)(desc + 1); 2091278764Sadrian 2092278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "state changed to %x\n", 2093278366Sadrian le32toh(*status)); 2094278764Sadrian 2095173362Sbenjsc if (le32toh(*status) & 1) { 2096280069Sadrian wpi_clear_node_table(sc); 2097278366Sadrian ieee80211_runtask(ic, &sc->sc_radiooff_task); 2098278366Sadrian return; 2099173362Sbenjsc } 2100173362Sbenjsc break; 2101173362Sbenjsc } 2102173362Sbenjsc case WPI_START_SCAN: 2103173362Sbenjsc { 2104278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2105278366Sadrian BUS_DMASYNC_POSTREAD); 2106179957Sthompsa#ifdef WPI_DEBUG 2107173362Sbenjsc struct wpi_start_scan *scan = 2108278366Sadrian (struct wpi_start_scan *)(desc + 1); 2109278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2110278366Sadrian "%s: scanning channel %d status %x\n", 2111278366Sadrian __func__, scan->chan, le32toh(scan->status)); 2112179957Sthompsa#endif 2113173362Sbenjsc break; 2114173362Sbenjsc } 2115173362Sbenjsc case WPI_STOP_SCAN: 2116173362Sbenjsc { 2117278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2118278366Sadrian BUS_DMASYNC_POSTREAD); 2119179957Sthompsa#ifdef WPI_DEBUG 2120173362Sbenjsc struct wpi_stop_scan *scan = 2121278366Sadrian (struct wpi_stop_scan *)(desc + 1); 2122278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2123278366Sadrian "scan finished nchan=%d status=%d chan=%d\n", 2124278366Sadrian scan->nchan, scan->status, scan->chan); 2125179957Sthompsa#endif 2126177043Sthompsa sc->sc_scan_timer = 0; 2127278366Sadrian WPI_UNLOCK(sc); 2128178354Ssam ieee80211_scan_next(vap); 2129278366Sadrian WPI_LOCK(sc); 2130173362Sbenjsc break; 2131173362Sbenjsc } 2132278366Sadrian } 2133278764Sadrian } 2134173976Sbenjsc 2135278366Sadrian /* Tell the firmware what we have processed. */ 2136278366Sadrian wpi_update_rx_ring(sc); 2137278366Sadrian} 2138278366Sadrian 2139278366Sadrian/* 2140278366Sadrian * Process an INT_WAKEUP interrupt raised when the microcontroller wakes up 2141278366Sadrian * from power-down sleep mode. 2142278366Sadrian */ 2143280059Sadrianstatic void 2144278366Sadrianwpi_wakeup_intr(struct wpi_softc *sc) 2145278366Sadrian{ 2146278366Sadrian int qid; 2147278366Sadrian 2148278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 2149278366Sadrian "%s: ucode wakeup from power-down sleep\n", __func__); 2150278366Sadrian 2151278366Sadrian /* Wakeup RX and TX rings. */ 2152278366Sadrian if (sc->rxq.update) { 2153278764Sadrian sc->rxq.update = 0; 2154278366Sadrian wpi_update_rx_ring(sc); 2155278366Sadrian } 2156280071Sadrian WPI_TXQ_LOCK(sc); 2157280058Sadrian for (qid = 0; qid < WPI_DRV_NTXQUEUES; qid++) { 2158278366Sadrian struct wpi_tx_ring *ring = &sc->txq[qid]; 2159278366Sadrian 2160278366Sadrian if (ring->update) { 2161278764Sadrian ring->update = 0; 2162278366Sadrian wpi_update_tx_ring(sc, ring); 2163173362Sbenjsc } 2164278366Sadrian } 2165280071Sadrian WPI_TXQ_UNLOCK(sc); 2166173362Sbenjsc 2167278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 2168278366Sadrian} 2169278366Sadrian 2170278366Sadrian/* 2171278366Sadrian * Dump the error log of the firmware when a firmware panic occurs. Although 2172278366Sadrian * we can't debug the firmware because it is neither open source nor free, it 2173278366Sadrian * can help us to identify certain classes of problems. 2174278366Sadrian */ 2175278366Sadrianstatic void 2176278366Sadrianwpi_fatal_intr(struct wpi_softc *sc) 2177278366Sadrian{ 2178278366Sadrian struct wpi_fw_dump dump; 2179278366Sadrian uint32_t i, offset, count; 2180278366Sadrian const uint32_t size_errmsg = 2181278366Sadrian (sizeof (wpi_fw_errmsg) / sizeof ((wpi_fw_errmsg)[0])); 2182278366Sadrian 2183278366Sadrian /* Check that the error log address is valid. */ 2184278366Sadrian if (sc->errptr < WPI_FW_DATA_BASE || 2185278366Sadrian sc->errptr + sizeof (dump) > 2186278366Sadrian WPI_FW_DATA_BASE + WPI_FW_DATA_MAXSZ) { 2187278366Sadrian printf("%s: bad firmware error log address 0x%08x\n", __func__, 2188278366Sadrian sc->errptr); 2189280059Sadrian return; 2190280059Sadrian } 2191278366Sadrian if (wpi_nic_lock(sc) != 0) { 2192278366Sadrian printf("%s: could not read firmware error log\n", __func__); 2193280059Sadrian return; 2194280059Sadrian } 2195278366Sadrian /* Read number of entries in the log. */ 2196278366Sadrian count = wpi_mem_read(sc, sc->errptr); 2197278366Sadrian if (count == 0 || count * sizeof (dump) > WPI_FW_DATA_MAXSZ) { 2198278366Sadrian printf("%s: invalid count field (count = %u)\n", __func__, 2199278366Sadrian count); 2200278366Sadrian wpi_nic_unlock(sc); 2201278366Sadrian return; 2202173362Sbenjsc } 2203278366Sadrian /* Skip "count" field. */ 2204278366Sadrian offset = sc->errptr + sizeof (uint32_t); 2205278366Sadrian printf("firmware error log (count = %u):\n", count); 2206278366Sadrian for (i = 0; i < count; i++) { 2207278366Sadrian wpi_mem_read_region_4(sc, offset, (uint32_t *)&dump, 2208278366Sadrian sizeof (dump) / sizeof (uint32_t)); 2209173362Sbenjsc 2210278366Sadrian printf(" error type = \"%s\" (0x%08X)\n", 2211278366Sadrian (dump.desc < size_errmsg) ? 2212278366Sadrian wpi_fw_errmsg[dump.desc] : "UNKNOWN", 2213278366Sadrian dump.desc); 2214278366Sadrian printf(" error data = 0x%08X\n", 2215278366Sadrian dump.data); 2216278366Sadrian printf(" branch link = 0x%08X%08X\n", 2217278366Sadrian dump.blink[0], dump.blink[1]); 2218278366Sadrian printf(" interrupt link = 0x%08X%08X\n", 2219278366Sadrian dump.ilink[0], dump.ilink[1]); 2220278366Sadrian printf(" time = %u\n", dump.time); 2221278366Sadrian 2222278366Sadrian offset += sizeof (dump); 2223278366Sadrian } 2224278366Sadrian wpi_nic_unlock(sc); 2225278366Sadrian /* Dump driver status (TX and RX rings) while we're here. */ 2226278366Sadrian printf("driver status:\n"); 2227280071Sadrian WPI_TXQ_LOCK(sc); 2228280058Sadrian for (i = 0; i < WPI_DRV_NTXQUEUES; i++) { 2229278366Sadrian struct wpi_tx_ring *ring = &sc->txq[i]; 2230278366Sadrian printf(" tx ring %2d: qid=%-2d cur=%-3d queued=%-3d\n", 2231278366Sadrian i, ring->qid, ring->cur, ring->queued); 2232278366Sadrian } 2233280071Sadrian WPI_TXQ_UNLOCK(sc); 2234278366Sadrian printf(" rx ring: cur=%d\n", sc->rxq.cur); 2235173362Sbenjsc} 2236173362Sbenjsc 2237173362Sbenjscstatic void 2238173362Sbenjscwpi_intr(void *arg) 2239173362Sbenjsc{ 2240173362Sbenjsc struct wpi_softc *sc = arg; 2241278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2242278366Sadrian uint32_t r1, r2; 2243173362Sbenjsc 2244173362Sbenjsc WPI_LOCK(sc); 2245173362Sbenjsc 2246278366Sadrian /* Disable interrupts. */ 2247278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 2248278366Sadrian 2249278366Sadrian r1 = WPI_READ(sc, WPI_INT); 2250278366Sadrian 2251280065Sadrian if (r1 == 0xffffffff || (r1 & 0xfffffff0) == 0xa5a5a5a0) 2252280065Sadrian goto end; /* Hardware gone! */ 2253173362Sbenjsc 2254278366Sadrian r2 = WPI_READ(sc, WPI_FH_INT); 2255173362Sbenjsc 2256278366Sadrian DPRINTF(sc, WPI_DEBUG_INTR, "%s: reg1=0x%08x reg2=0x%08x\n", __func__, 2257278366Sadrian r1, r2); 2258278366Sadrian 2259278366Sadrian if (r1 == 0 && r2 == 0) 2260278366Sadrian goto done; /* Interrupt not for us. */ 2261278366Sadrian 2262278366Sadrian /* Acknowledge interrupts. */ 2263278366Sadrian WPI_WRITE(sc, WPI_INT, r1); 2264278366Sadrian WPI_WRITE(sc, WPI_FH_INT, r2); 2265278366Sadrian 2266278366Sadrian if (r1 & (WPI_INT_SW_ERR | WPI_INT_HW_ERR)) { 2267191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 2268191746Sthompsa 2269173362Sbenjsc device_printf(sc->sc_dev, "fatal firmware error\n"); 2270278366Sadrian wpi_fatal_intr(sc); 2271278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 2272278366Sadrian "(%s)\n", (r1 & WPI_INT_SW_ERR) ? "(Software Error)" : 2273278366Sadrian "(Hardware Error)"); 2274278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2275173362Sbenjsc sc->flags &= ~WPI_FLAG_BUSY; 2276280065Sadrian goto end; 2277173362Sbenjsc } 2278173362Sbenjsc 2279278366Sadrian if ((r1 & (WPI_INT_FH_RX | WPI_INT_SW_RX)) || 2280278366Sadrian (r2 & WPI_FH_INT_RX)) 2281173362Sbenjsc wpi_notif_intr(sc); 2282173362Sbenjsc 2283278366Sadrian if (r1 & WPI_INT_ALIVE) 2284278366Sadrian wakeup(sc); /* Firmware is alive. */ 2285173362Sbenjsc 2286278366Sadrian if (r1 & WPI_INT_WAKEUP) 2287278366Sadrian wpi_wakeup_intr(sc); 2288173362Sbenjsc 2289278366Sadriandone: 2290278366Sadrian /* Re-enable interrupts. */ 2291278366Sadrian if (ifp->if_flags & IFF_UP) 2292278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 2293278366Sadrian 2294280065Sadrianend: WPI_UNLOCK(sc); 2295173362Sbenjsc} 2296173362Sbenjsc 2297278366Sadrianstatic int 2298278366Sadrianwpi_cmd2(struct wpi_softc *sc, struct wpi_buf *buf) 2299173362Sbenjsc{ 2300278366Sadrian struct ieee80211_frame *wh; 2301278366Sadrian struct wpi_tx_cmd *cmd; 2302278366Sadrian struct wpi_tx_data *data; 2303278366Sadrian struct wpi_tx_desc *desc; 2304278366Sadrian struct wpi_tx_ring *ring; 2305278366Sadrian struct mbuf *m1; 2306278366Sadrian bus_dma_segment_t *seg, segs[WPI_MAX_SCATTER]; 2307279763Sadrian int error, i, hdrlen, nsegs, totlen, pad; 2308173362Sbenjsc 2309278366Sadrian WPI_LOCK_ASSERT(sc); 2310173362Sbenjsc 2311280071Sadrian WPI_TXQ_LOCK(sc); 2312280071Sadrian 2313278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2314278366Sadrian 2315280071Sadrian if (sc->txq_active == 0) { 2316280071Sadrian /* wpi_stop() was called */ 2317280071Sadrian error = ENETDOWN; 2318280071Sadrian goto fail; 2319280071Sadrian } 2320280071Sadrian 2321278366Sadrian wh = mtod(buf->m, struct ieee80211_frame *); 2322279763Sadrian hdrlen = ieee80211_anyhdrsize(wh); 2323278366Sadrian totlen = buf->m->m_pkthdr.len; 2324278366Sadrian 2325279763Sadrian if (hdrlen & 3) { 2326279763Sadrian /* First segment length must be a multiple of 4. */ 2327279763Sadrian pad = 4 - (hdrlen & 3); 2328279763Sadrian } else 2329279763Sadrian pad = 0; 2330279763Sadrian 2331278366Sadrian ring = &sc->txq[buf->ac]; 2332278366Sadrian desc = &ring->desc[ring->cur]; 2333278366Sadrian data = &ring->data[ring->cur]; 2334278366Sadrian 2335278366Sadrian /* Prepare TX firmware command. */ 2336278366Sadrian cmd = &ring->cmd[ring->cur]; 2337278366Sadrian cmd->code = buf->code; 2338278366Sadrian cmd->flags = 0; 2339278366Sadrian cmd->qid = ring->qid; 2340278366Sadrian cmd->idx = ring->cur; 2341278366Sadrian 2342278366Sadrian memcpy(cmd->data, buf->data, buf->size); 2343278366Sadrian 2344278366Sadrian /* Save and trim IEEE802.11 header. */ 2345279763Sadrian memcpy((uint8_t *)(cmd->data + buf->size), wh, hdrlen); 2346279763Sadrian m_adj(buf->m, hdrlen); 2347278366Sadrian 2348278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, buf->m, 2349278366Sadrian segs, &nsegs, BUS_DMA_NOWAIT); 2350278366Sadrian if (error != 0 && error != EFBIG) { 2351278366Sadrian device_printf(sc->sc_dev, 2352278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, error); 2353280071Sadrian goto fail; 2354173362Sbenjsc } 2355278366Sadrian if (error != 0) { 2356278366Sadrian /* Too many DMA segments, linearize mbuf. */ 2357280050Sadrian m1 = m_collapse(buf->m, M_NOWAIT, WPI_MAX_SCATTER - 1); 2358278366Sadrian if (m1 == NULL) { 2359278366Sadrian device_printf(sc->sc_dev, 2360278366Sadrian "%s: could not defrag mbuf\n", __func__); 2361280071Sadrian error = ENOBUFS; 2362280071Sadrian goto fail; 2363278366Sadrian } 2364278366Sadrian buf->m = m1; 2365278366Sadrian 2366278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, 2367278366Sadrian buf->m, segs, &nsegs, BUS_DMA_NOWAIT); 2368278366Sadrian if (error != 0) { 2369278366Sadrian device_printf(sc->sc_dev, 2370280066Sadrian "%s: can't map mbuf (error %d)\n", __func__, 2371280066Sadrian error); 2372280071Sadrian goto fail; 2373278366Sadrian } 2374278366Sadrian } 2375278366Sadrian 2376280050Sadrian KASSERT(nsegs < WPI_MAX_SCATTER, 2377280050Sadrian ("too many DMA segments, nsegs (%d) should be less than %d", 2378280050Sadrian nsegs, WPI_MAX_SCATTER)); 2379280050Sadrian 2380278366Sadrian data->m = buf->m; 2381278366Sadrian data->ni = buf->ni; 2382278366Sadrian 2383278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: qid %d idx %d len %d nsegs %d\n", 2384278366Sadrian __func__, ring->qid, ring->cur, totlen, nsegs); 2385278366Sadrian 2386278366Sadrian /* Fill TX descriptor. */ 2387279763Sadrian desc->nsegs = WPI_PAD32(totlen + pad) << 4 | (1 + nsegs); 2388278366Sadrian /* First DMA segment is used by the TX command. */ 2389278366Sadrian desc->segs[0].addr = htole32(data->cmd_paddr); 2390279763Sadrian desc->segs[0].len = htole32(4 + buf->size + hdrlen + pad); 2391278366Sadrian /* Other DMA segments are for data payload. */ 2392278366Sadrian seg = &segs[0]; 2393278366Sadrian for (i = 1; i <= nsegs; i++) { 2394278366Sadrian desc->segs[i].addr = htole32(seg->ds_addr); 2395278366Sadrian desc->segs[i].len = htole32(seg->ds_len); 2396278366Sadrian seg++; 2397278366Sadrian } 2398278366Sadrian 2399278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); 2400278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2401278366Sadrian BUS_DMASYNC_PREWRITE); 2402278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2403278366Sadrian BUS_DMASYNC_PREWRITE); 2404278366Sadrian 2405278366Sadrian /* Kick TX ring. */ 2406278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2407278366Sadrian wpi_update_tx_ring(sc, ring); 2408278366Sadrian 2409278366Sadrian /* Mark TX ring as full if we reach a certain threshold. */ 2410278366Sadrian if (++ring->queued > WPI_TX_RING_HIMARK) 2411278366Sadrian sc->qfullmsk |= 1 << ring->qid; 2412278366Sadrian 2413278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2414278366Sadrian 2415280071Sadrian WPI_TXQ_UNLOCK(sc); 2416280071Sadrian 2417278366Sadrian return 0; 2418280071Sadrian 2419280071Sadrianfail: m_freem(buf->m); 2420280071Sadrian 2421280071Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2422280071Sadrian 2423280071Sadrian WPI_TXQ_UNLOCK(sc); 2424280071Sadrian 2425280071Sadrian return error; 2426173362Sbenjsc} 2427173362Sbenjsc 2428173362Sbenjsc/* 2429278366Sadrian * Construct the data packet for a transmit buffer. 2430173362Sbenjsc */ 2431173362Sbenjscstatic int 2432278366Sadrianwpi_tx_data(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2433173362Sbenjsc{ 2434278366Sadrian const struct ieee80211_txparam *tp; 2435178354Ssam struct ieee80211vap *vap = ni->ni_vap; 2436278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2437280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 2438278366Sadrian struct ieee80211_channel *chan; 2439173362Sbenjsc struct ieee80211_frame *wh; 2440278366Sadrian struct ieee80211_key *k = NULL; 2441278366Sadrian struct wpi_cmd_data tx; 2442278366Sadrian struct wpi_buf tx_data; 2443278366Sadrian uint32_t flags; 2444278366Sadrian uint16_t qos; 2445278366Sadrian uint8_t tid, type; 2446280068Sadrian int ac, error, swcrypt, rate, ismcast, totlen; 2447173362Sbenjsc 2448278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2449278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2450278366Sadrian ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 2451173362Sbenjsc 2452278366Sadrian /* Select EDCA Access Category and TX ring for this frame. */ 2453278366Sadrian if (IEEE80211_QOS_HAS_SEQ(wh)) { 2454278366Sadrian qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 2455278366Sadrian tid = qos & IEEE80211_QOS_TID; 2456278366Sadrian } else { 2457278366Sadrian qos = 0; 2458278366Sadrian tid = 0; 2459280059Sadrian } 2460278366Sadrian ac = M_WME_GETAC(m); 2461173362Sbenjsc 2462278366Sadrian chan = (ni->ni_chan != IEEE80211_CHAN_ANYC) ? 2463278366Sadrian ni->ni_chan : ic->ic_curchan; 2464278366Sadrian tp = &vap->iv_txparms[ieee80211_chan2mode(chan)]; 2465173362Sbenjsc 2466278366Sadrian /* Choose a TX rate index. */ 2467278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) 2468278366Sadrian rate = tp->mgmtrate; 2469278366Sadrian else if (ismcast) 2470278366Sadrian rate = tp->mcastrate; 2471278366Sadrian else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2472278366Sadrian rate = tp->ucastrate; 2473278366Sadrian else if (m->m_flags & M_EAPOL) 2474278366Sadrian rate = tp->mgmtrate; 2475278366Sadrian else { 2476278366Sadrian /* XXX pass pktlen */ 2477278366Sadrian (void) ieee80211_ratectl_rate(ni, NULL, 0); 2478278366Sadrian rate = ni->ni_txrate; 2479278366Sadrian } 2480278366Sadrian 2481278366Sadrian /* Encrypt the frame if need be. */ 2482260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2483278366Sadrian /* Retrieve key for TX. */ 2484278366Sadrian k = ieee80211_crypto_encap(ni, m); 2485177043Sthompsa if (k == NULL) { 2486278366Sadrian error = ENOBUFS; 2487278366Sadrian goto fail; 2488173362Sbenjsc } 2489280068Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2490280068Sadrian 2491278366Sadrian /* 802.11 header may have moved. */ 2492278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2493173362Sbenjsc } 2494279763Sadrian totlen = m->m_pkthdr.len; 2495173362Sbenjsc 2496278366Sadrian if (ieee80211_radiotap_active_vap(vap)) { 2497278366Sadrian struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2498173362Sbenjsc 2499279763Sadrian tap->wt_flags = 0; 2500278366Sadrian tap->wt_rate = rate; 2501278366Sadrian if (k != NULL) 2502278366Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2503173362Sbenjsc 2504278366Sadrian ieee80211_radiotap_tx(vap, m); 2505278366Sadrian } 2506278366Sadrian 2507278366Sadrian flags = 0; 2508177119Ssam if (!ismcast) { 2509278366Sadrian /* Unicast frame, check if an ACK is expected. */ 2510278366Sadrian if (!qos || (qos & IEEE80211_QOS_ACKPOLICY) != 2511278366Sadrian IEEE80211_QOS_ACKPOLICY_NOACK) 2512278366Sadrian flags |= WPI_TX_NEED_ACK; 2513278366Sadrian } 2514278366Sadrian 2515278764Sadrian if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) 2516278764Sadrian flags |= WPI_TX_MORE_FRAG; /* Cannot happen yet. */ 2517278764Sadrian 2518278366Sadrian /* Check if frame must be protected using RTS/CTS or CTS-to-self. */ 2519278366Sadrian if (!ismcast) { 2520278366Sadrian /* NB: Group frames are sent using CCK in 802.11b/g. */ 2521278366Sadrian if (totlen + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) { 2522278366Sadrian flags |= WPI_TX_NEED_RTS; 2523278366Sadrian } else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2524278366Sadrian WPI_RATE_IS_OFDM(rate)) { 2525278366Sadrian if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2526278366Sadrian flags |= WPI_TX_NEED_CTS; 2527278366Sadrian else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2528278366Sadrian flags |= WPI_TX_NEED_RTS; 2529177043Sthompsa } 2530278366Sadrian 2531278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2532278366Sadrian flags |= WPI_TX_FULL_TXOP; 2533173362Sbenjsc } 2534278366Sadrian 2535278366Sadrian memset(&tx, 0, sizeof (struct wpi_cmd_data)); 2536278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2537173362Sbenjsc uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2538278366Sadrian 2539278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2540173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2541278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2542173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2543177043Sthompsa subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2544278366Sadrian tx.timeout = htole16(3); 2545173362Sbenjsc else 2546278366Sadrian tx.timeout = htole16(2); 2547177043Sthompsa } 2548173362Sbenjsc 2549278366Sadrian if (ismcast || type != IEEE80211_FC0_TYPE_DATA) 2550278366Sadrian tx.id = WPI_ID_BROADCAST; 2551278366Sadrian else { 2552278366Sadrian if (wn->id == WPI_ID_UNDEFINED && 2553278366Sadrian (vap->iv_opmode == IEEE80211_M_IBSS || 2554278366Sadrian vap->iv_opmode == IEEE80211_M_AHDEMO)) { 2555278366Sadrian error = wpi_add_ibss_node(sc, ni); 2556278366Sadrian if (error != 0) { 2557278366Sadrian device_printf(sc->sc_dev, 2558278366Sadrian "%s: could not add IBSS node, error %d\n", 2559278366Sadrian __func__, error); 2560278366Sadrian goto fail; 2561278366Sadrian } 2562278366Sadrian } 2563173362Sbenjsc 2564278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 2565278366Sadrian device_printf(sc->sc_dev, 2566278366Sadrian "%s: undefined node id\n", __func__); 2567278366Sadrian error = EINVAL; 2568278366Sadrian goto fail; 2569278366Sadrian } 2570278366Sadrian 2571278366Sadrian tx.id = wn->id; 2572278366Sadrian } 2573278366Sadrian 2574278366Sadrian if (type != IEEE80211_FC0_TYPE_MGT) 2575278366Sadrian tx.data_ntries = tp->maxretry; 2576278366Sadrian 2577280068Sadrian if (k != NULL && !swcrypt) { 2578280068Sadrian switch (k->wk_cipher->ic_cipher) { 2579280068Sadrian case IEEE80211_CIPHER_AES_CCM: 2580280068Sadrian tx.security = WPI_CIPHER_CCMP; 2581280068Sadrian break; 2582280068Sadrian 2583280068Sadrian default: 2584280068Sadrian break; 2585280068Sadrian } 2586280068Sadrian 2587280068Sadrian memcpy(tx.key, k->wk_key, k->wk_keylen); 2588280068Sadrian } 2589280068Sadrian 2590278366Sadrian tx.len = htole16(totlen); 2591278366Sadrian tx.flags = htole32(flags); 2592278366Sadrian tx.plcp = rate2plcp(rate); 2593278366Sadrian tx.tid = tid; 2594278366Sadrian tx.lifetime = htole32(WPI_LIFETIME_INFINITE); 2595278366Sadrian tx.ofdm_mask = 0xff; 2596278366Sadrian tx.cck_mask = 0x0f; 2597278366Sadrian tx.rts_ntries = 7; 2598278366Sadrian 2599278366Sadrian tx_data.data = &tx; 2600278366Sadrian tx_data.ni = ni; 2601278366Sadrian tx_data.m = m; 2602278366Sadrian tx_data.size = sizeof(tx); 2603278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2604278366Sadrian tx_data.ac = ac; 2605278366Sadrian 2606278366Sadrian return wpi_cmd2(sc, &tx_data); 2607278366Sadrian 2608278366Sadrianfail: m_freem(m); 2609278366Sadrian return error; 2610278366Sadrian} 2611278366Sadrian 2612278366Sadrianstatic int 2613280066Sadrianwpi_tx_data_raw(struct wpi_softc *sc, struct mbuf *m, 2614280066Sadrian struct ieee80211_node *ni, const struct ieee80211_bpf_params *params) 2615278366Sadrian{ 2616278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 2617278366Sadrian struct ieee80211_frame *wh; 2618278366Sadrian struct wpi_cmd_data tx; 2619278366Sadrian struct wpi_buf tx_data; 2620278366Sadrian uint32_t flags; 2621278366Sadrian uint8_t type; 2622279763Sadrian int ac, rate, totlen; 2623278366Sadrian 2624278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2625278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2626279763Sadrian totlen = m->m_pkthdr.len; 2627278366Sadrian 2628278366Sadrian ac = params->ibp_pri & 3; 2629278366Sadrian 2630278366Sadrian /* Choose a TX rate index. */ 2631278366Sadrian rate = params->ibp_rate0; 2632278366Sadrian 2633278366Sadrian flags = 0; 2634278366Sadrian if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2635278366Sadrian flags |= WPI_TX_NEED_ACK; 2636278366Sadrian if (params->ibp_flags & IEEE80211_BPF_RTS) 2637278366Sadrian flags |= WPI_TX_NEED_RTS; 2638278366Sadrian if (params->ibp_flags & IEEE80211_BPF_CTS) 2639278366Sadrian flags |= WPI_TX_NEED_CTS; 2640278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2641278366Sadrian flags |= WPI_TX_FULL_TXOP; 2642278366Sadrian 2643192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2644177043Sthompsa struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2645278366Sadrian 2646177043Sthompsa tap->wt_flags = 0; 2647177043Sthompsa tap->wt_rate = rate; 2648178354Ssam 2649278366Sadrian ieee80211_radiotap_tx(vap, m); 2650177043Sthompsa } 2651173362Sbenjsc 2652278366Sadrian memset(&tx, 0, sizeof (struct wpi_cmd_data)); 2653278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2654278366Sadrian uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2655173362Sbenjsc 2656278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2657278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2658278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2659278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2660278366Sadrian subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2661278366Sadrian tx.timeout = htole16(3); 2662278366Sadrian else 2663278366Sadrian tx.timeout = htole16(2); 2664173362Sbenjsc } 2665173362Sbenjsc 2666278366Sadrian tx.len = htole16(totlen); 2667278366Sadrian tx.flags = htole32(flags); 2668278366Sadrian tx.plcp = rate2plcp(rate); 2669278366Sadrian tx.id = WPI_ID_BROADCAST; 2670278366Sadrian tx.lifetime = htole32(WPI_LIFETIME_INFINITE); 2671278366Sadrian tx.rts_ntries = params->ibp_try1; 2672278366Sadrian tx.data_ntries = params->ibp_try0; 2673278366Sadrian 2674278366Sadrian tx_data.data = &tx; 2675278366Sadrian tx_data.ni = ni; 2676278366Sadrian tx_data.m = m; 2677278366Sadrian tx_data.size = sizeof(tx); 2678278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2679278366Sadrian tx_data.ac = ac; 2680278366Sadrian 2681278366Sadrian return wpi_cmd2(sc, &tx_data); 2682278366Sadrian} 2683278366Sadrian 2684278366Sadrianstatic int 2685278366Sadrianwpi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2686278366Sadrian const struct ieee80211_bpf_params *params) 2687278366Sadrian{ 2688278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2689278366Sadrian struct ifnet *ifp = ic->ic_ifp; 2690278366Sadrian struct wpi_softc *sc = ifp->if_softc; 2691278366Sadrian int error = 0; 2692278366Sadrian 2693278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2694278366Sadrian 2695278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2696278366Sadrian ieee80211_free_node(ni); 2697278366Sadrian m_freem(m); 2698278366Sadrian return ENETDOWN; 2699173362Sbenjsc } 2700173362Sbenjsc 2701278366Sadrian WPI_LOCK(sc); 2702278366Sadrian if (params == NULL) { 2703278366Sadrian /* 2704278366Sadrian * Legacy path; interpret frame contents to decide 2705278366Sadrian * precisely how to send the frame. 2706278366Sadrian */ 2707278366Sadrian error = wpi_tx_data(sc, m, ni); 2708278366Sadrian } else { 2709278366Sadrian /* 2710278366Sadrian * Caller supplied explicit parameters to use in 2711278366Sadrian * sending the frame. 2712278366Sadrian */ 2713278366Sadrian error = wpi_tx_data_raw(sc, m, ni, params); 2714278366Sadrian } 2715278366Sadrian WPI_UNLOCK(sc); 2716173362Sbenjsc 2717278366Sadrian if (error != 0) { 2718278366Sadrian /* NB: m is reclaimed on tx failure */ 2719278366Sadrian ieee80211_free_node(ni); 2720278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2721173362Sbenjsc 2722278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2723278366Sadrian 2724278366Sadrian return error; 2725173362Sbenjsc } 2726173362Sbenjsc 2727278366Sadrian sc->sc_tx_timer = 5; 2728173362Sbenjsc 2729278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2730173362Sbenjsc 2731173362Sbenjsc return 0; 2732173362Sbenjsc} 2733173362Sbenjsc 2734173362Sbenjsc/** 2735173362Sbenjsc * Process data waiting to be sent on the IFNET output queue 2736173362Sbenjsc */ 2737173362Sbenjscstatic void 2738173362Sbenjscwpi_start(struct ifnet *ifp) 2739173362Sbenjsc{ 2740173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2741178354Ssam 2742178354Ssam WPI_LOCK(sc); 2743178354Ssam wpi_start_locked(ifp); 2744178354Ssam WPI_UNLOCK(sc); 2745178354Ssam} 2746178354Ssam 2747178354Ssamstatic void 2748178354Ssamwpi_start_locked(struct ifnet *ifp) 2749178354Ssam{ 2750178354Ssam struct wpi_softc *sc = ifp->if_softc; 2751173362Sbenjsc struct ieee80211_node *ni; 2752178354Ssam struct mbuf *m; 2753173362Sbenjsc 2754178354Ssam WPI_LOCK_ASSERT(sc); 2755178354Ssam 2756278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: called\n", __func__); 2757278366Sadrian 2758278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 || 2759278366Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) 2760177043Sthompsa return; 2761173362Sbenjsc 2762173362Sbenjsc for (;;) { 2763278366Sadrian if (sc->qfullmsk != 0) { 2764278366Sadrian ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2765278366Sadrian break; 2766278366Sadrian } 2767190458Sjmallett IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2768178354Ssam if (m == NULL) 2769178354Ssam break; 2770278366Sadrian ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2771278366Sadrian if (wpi_tx_data(sc, m, ni) != 0) { 2772278366Sadrian WPI_UNLOCK(sc); 2773178354Ssam ieee80211_free_node(ni); 2774278366Sadrian WPI_LOCK(sc); 2775271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2776278366Sadrian } else 2777278366Sadrian sc->sc_tx_timer = 5; 2778178354Ssam } 2779278366Sadrian 2780278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: done\n", __func__); 2781178354Ssam} 2782173362Sbenjsc 2783278366Sadrianstatic void 2784278366Sadrianwpi_watchdog_rfkill(void *arg) 2785178354Ssam{ 2786278366Sadrian struct wpi_softc *sc = arg; 2787278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2788278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2789173362Sbenjsc 2790278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "RFkill Watchdog: tick\n"); 2791278366Sadrian 2792278366Sadrian /* No need to lock firmware memory. */ 2793278366Sadrian if ((wpi_prph_read(sc, WPI_APMG_RFKILL) & 0x1) == 0) { 2794278366Sadrian /* Radio kill switch is still off. */ 2795278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 2796278366Sadrian sc); 2797278366Sadrian } else 2798278366Sadrian ieee80211_runtask(ic, &sc->sc_radioon_task); 2799278366Sadrian} 2800278366Sadrian 2801278366Sadrian/** 2802278366Sadrian * Called every second, wpi_watchdog used by the watch dog timer 2803278366Sadrian * to check that the card is still alive 2804278366Sadrian */ 2805278366Sadrianstatic void 2806278366Sadrianwpi_watchdog(void *arg) 2807278366Sadrian{ 2808278366Sadrian struct wpi_softc *sc = arg; 2809278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2810278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2811278366Sadrian 2812278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "Watchdog: tick\n"); 2813278366Sadrian 2814278366Sadrian if (sc->sc_tx_timer > 0) { 2815278366Sadrian if (--sc->sc_tx_timer == 0) { 2816278366Sadrian if_printf(ifp, "device timeout\n"); 2817278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2818278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2819278366Sadrian } 2820178354Ssam } 2821173362Sbenjsc 2822278366Sadrian if (sc->sc_scan_timer > 0) { 2823278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2824278366Sadrian if (--sc->sc_scan_timer == 0 && vap != NULL) { 2825278366Sadrian if_printf(ifp, "scan timeout\n"); 2826278366Sadrian ieee80211_cancel_scan(vap); 2827278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2828278366Sadrian } 2829178354Ssam } 2830173362Sbenjsc 2831278366Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2832278366Sadrian callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 2833173362Sbenjsc} 2834173362Sbenjsc 2835173362Sbenjscstatic int 2836173362Sbenjscwpi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 2837173362Sbenjsc{ 2838173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2839178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2840278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2841178354Ssam struct ifreq *ifr = (struct ifreq *) data; 2842278366Sadrian int error = 0, startall = 0, stop = 0; 2843173362Sbenjsc 2844173362Sbenjsc switch (cmd) { 2845278366Sadrian case SIOCGIFADDR: 2846278366Sadrian error = ether_ioctl(ifp, cmd, data); 2847278366Sadrian break; 2848173362Sbenjsc case SIOCSIFFLAGS: 2849178704Sthompsa WPI_LOCK(sc); 2850278366Sadrian if (ifp->if_flags & IFF_UP) { 2851178354Ssam if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2852278366Sadrian wpi_init_locked(sc); 2853278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & 2854278366Sadrian WPI_GP_CNTRL_RFKILL) 2855278366Sadrian startall = 1; 2856278366Sadrian else 2857278366Sadrian stop = 1; 2858178354Ssam } 2859278366Sadrian } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2860173362Sbenjsc wpi_stop_locked(sc); 2861178704Sthompsa WPI_UNLOCK(sc); 2862178704Sthompsa if (startall) 2863178704Sthompsa ieee80211_start_all(ic); 2864278366Sadrian else if (vap != NULL && stop) 2865278366Sadrian ieee80211_stop(vap); 2866173362Sbenjsc break; 2867178354Ssam case SIOCGIFMEDIA: 2868178354Ssam error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2869178354Ssam break; 2870178704Sthompsa default: 2871178704Sthompsa error = EINVAL; 2872178704Sthompsa break; 2873173362Sbenjsc } 2874173362Sbenjsc return error; 2875173362Sbenjsc} 2876173362Sbenjsc 2877173362Sbenjsc/* 2878173362Sbenjsc * Send a command to the firmware. 2879173362Sbenjsc */ 2880173362Sbenjscstatic int 2881278366Sadrianwpi_cmd(struct wpi_softc *sc, int code, const void *buf, size_t size, 2882278366Sadrian int async) 2883173362Sbenjsc{ 2884280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 2885173362Sbenjsc struct wpi_tx_desc *desc; 2886278366Sadrian struct wpi_tx_data *data; 2887173362Sbenjsc struct wpi_tx_cmd *cmd; 2888278366Sadrian struct mbuf *m; 2889278366Sadrian bus_addr_t paddr; 2890278366Sadrian int totlen, error; 2891173362Sbenjsc 2892280071Sadrian WPI_TXQ_LOCK(sc); 2893280071Sadrian 2894278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2895278366Sadrian 2896280071Sadrian if (sc->txq_active == 0) { 2897280071Sadrian /* wpi_stop() was called */ 2898280071Sadrian error = 0; 2899280071Sadrian goto fail; 2900280071Sadrian } 2901280071Sadrian 2902278366Sadrian if (async == 0) 2903173362Sbenjsc WPI_LOCK_ASSERT(sc); 2904173362Sbenjsc 2905278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "wpi_cmd %s size %zu async %d\n", 2906278366Sadrian wpi_cmd_str(code), size, async); 2907173362Sbenjsc 2908173362Sbenjsc if (sc->flags & WPI_FLAG_BUSY) { 2909173362Sbenjsc device_printf(sc->sc_dev, "%s: cmd %d not sent, busy\n", 2910173362Sbenjsc __func__, code); 2911173362Sbenjsc return EAGAIN; 2912173362Sbenjsc } 2913278366Sadrian sc->flags |= WPI_FLAG_BUSY; 2914173362Sbenjsc 2915173362Sbenjsc desc = &ring->desc[ring->cur]; 2916278366Sadrian data = &ring->data[ring->cur]; 2917278366Sadrian totlen = 4 + size; 2918173362Sbenjsc 2919278366Sadrian if (size > sizeof cmd->data) { 2920278366Sadrian /* Command is too large to fit in a descriptor. */ 2921280071Sadrian if (totlen > MCLBYTES) { 2922280071Sadrian error = EINVAL; 2923280071Sadrian goto fail; 2924280071Sadrian } 2925278366Sadrian m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 2926280071Sadrian if (m == NULL) { 2927280071Sadrian error = ENOMEM; 2928280071Sadrian goto fail; 2929280071Sadrian } 2930278366Sadrian cmd = mtod(m, struct wpi_tx_cmd *); 2931278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, cmd, 2932278366Sadrian totlen, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 2933278366Sadrian if (error != 0) { 2934278366Sadrian m_freem(m); 2935280071Sadrian goto fail; 2936278366Sadrian } 2937278366Sadrian data->m = m; 2938278366Sadrian } else { 2939278366Sadrian cmd = &ring->cmd[ring->cur]; 2940278366Sadrian paddr = data->cmd_paddr; 2941278366Sadrian } 2942278366Sadrian 2943173362Sbenjsc cmd->code = code; 2944173362Sbenjsc cmd->flags = 0; 2945173362Sbenjsc cmd->qid = ring->qid; 2946173362Sbenjsc cmd->idx = ring->cur; 2947173362Sbenjsc memcpy(cmd->data, buf, size); 2948173362Sbenjsc 2949278366Sadrian desc->nsegs = 1 + (WPI_PAD32(size) << 4); 2950278366Sadrian desc->segs[0].addr = htole32(paddr); 2951278366Sadrian desc->segs[0].len = htole32(totlen); 2952173362Sbenjsc 2953278366Sadrian if (size > sizeof cmd->data) { 2954278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 2955278366Sadrian BUS_DMASYNC_PREWRITE); 2956278366Sadrian } else { 2957278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2958278366Sadrian BUS_DMASYNC_PREWRITE); 2959278366Sadrian } 2960278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2961278366Sadrian BUS_DMASYNC_PREWRITE); 2962173362Sbenjsc 2963278366Sadrian /* Kick command ring. */ 2964278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2965278366Sadrian wpi_update_tx_ring(sc, ring); 2966278366Sadrian 2967278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2968278366Sadrian 2969280071Sadrian WPI_TXQ_UNLOCK(sc); 2970280071Sadrian 2971173362Sbenjsc if (async) { 2972278366Sadrian sc->flags &= ~WPI_FLAG_BUSY; 2973173362Sbenjsc return 0; 2974173362Sbenjsc } 2975173362Sbenjsc 2976280062Sadrian return mtx_sleep(cmd, &sc->sc_mtx, PCATCH, "wpicmd", hz); 2977280071Sadrian 2978280071Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2979280071Sadrian 2980280071Sadrian WPI_TXQ_UNLOCK(sc); 2981280071Sadrian 2982280071Sadrian return error; 2983173362Sbenjsc} 2984173362Sbenjsc 2985173362Sbenjsc/* 2986278366Sadrian * Configure HW multi-rate retries. 2987173362Sbenjsc */ 2988173362Sbenjscstatic int 2989173362Sbenjscwpi_mrr_setup(struct wpi_softc *sc) 2990173362Sbenjsc{ 2991178354Ssam struct ifnet *ifp = sc->sc_ifp; 2992178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2993173362Sbenjsc struct wpi_mrr_setup mrr; 2994173362Sbenjsc int i, error; 2995173362Sbenjsc 2996278366Sadrian /* CCK rates (not used with 802.11a). */ 2997278366Sadrian for (i = WPI_RIDX_CCK1; i <= WPI_RIDX_CCK11; i++) { 2998173362Sbenjsc mrr.rates[i].flags = 0; 2999278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3000278366Sadrian /* Fallback to the immediate lower CCK rate (if any.) */ 3001278366Sadrian mrr.rates[i].next = 3002278366Sadrian (i == WPI_RIDX_CCK1) ? WPI_RIDX_CCK1 : i - 1; 3003278366Sadrian /* Try one time at this rate before falling back to "next". */ 3004173362Sbenjsc mrr.rates[i].ntries = 1; 3005173362Sbenjsc } 3006278366Sadrian /* OFDM rates (not used with 802.11b). */ 3007278366Sadrian for (i = WPI_RIDX_OFDM6; i <= WPI_RIDX_OFDM54; i++) { 3008173362Sbenjsc mrr.rates[i].flags = 0; 3009278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3010278366Sadrian /* Fallback to the immediate lower rate (if any.) */ 3011278366Sadrian /* We allow fallback from OFDM/6 to CCK/2 in 11b/g mode. */ 3012278366Sadrian mrr.rates[i].next = (i == WPI_RIDX_OFDM6) ? 3013173362Sbenjsc ((ic->ic_curmode == IEEE80211_MODE_11A) ? 3014278366Sadrian WPI_RIDX_OFDM6 : WPI_RIDX_CCK2) : 3015173362Sbenjsc i - 1; 3016278366Sadrian /* Try one time at this rate before falling back to "next". */ 3017173362Sbenjsc mrr.rates[i].ntries = 1; 3018173362Sbenjsc } 3019278366Sadrian /* Setup MRR for control frames. */ 3020278366Sadrian mrr.which = htole32(WPI_MRR_CTL); 3021173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3022173362Sbenjsc if (error != 0) { 3023173362Sbenjsc device_printf(sc->sc_dev, 3024173362Sbenjsc "could not setup MRR for control frames\n"); 3025173362Sbenjsc return error; 3026173362Sbenjsc } 3027278366Sadrian /* Setup MRR for data frames. */ 3028278366Sadrian mrr.which = htole32(WPI_MRR_DATA); 3029173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3030173362Sbenjsc if (error != 0) { 3031173362Sbenjsc device_printf(sc->sc_dev, 3032173362Sbenjsc "could not setup MRR for data frames\n"); 3033173362Sbenjsc return error; 3034173362Sbenjsc } 3035173362Sbenjsc return 0; 3036173362Sbenjsc} 3037173362Sbenjsc 3038278366Sadrianstatic int 3039278366Sadrianwpi_add_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3040278366Sadrian{ 3041278366Sadrian struct ieee80211com *ic = ni->ni_ic; 3042280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3043278366Sadrian struct wpi_node_info node; 3044278366Sadrian 3045278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3046278366Sadrian 3047278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 3048278366Sadrian return EINVAL; 3049278366Sadrian 3050278366Sadrian memset(&node, 0, sizeof node); 3051279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3052278366Sadrian node.id = wn->id; 3053278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3054278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3055278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3056278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3057278366Sadrian 3058278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 3059278366Sadrian} 3060278366Sadrian 3061278366Sadrian/* 3062278366Sadrian * Broadcast node is used to send group-addressed and management frames. 3063278366Sadrian */ 3064278366Sadrianstatic int 3065278366Sadrianwpi_add_broadcast_node(struct wpi_softc *sc, int async) 3066278366Sadrian{ 3067278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3068278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3069278366Sadrian struct wpi_node_info node; 3070278366Sadrian 3071278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3072278366Sadrian 3073278366Sadrian memset(&node, 0, sizeof node); 3074278366Sadrian IEEE80211_ADDR_COPY(node.macaddr, ifp->if_broadcastaddr); 3075278366Sadrian node.id = WPI_ID_BROADCAST; 3076278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3077278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3078278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3079278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3080278366Sadrian 3081278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, async); 3082278366Sadrian} 3083278366Sadrian 3084278366Sadrianstatic int 3085280070Sadrianwpi_add_sta_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3086280070Sadrian{ 3087280070Sadrian struct wpi_node *wn = WPI_NODE(ni); 3088280070Sadrian int error; 3089280070Sadrian 3090280070Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3091280070Sadrian 3092280070Sadrian wn->id = wpi_add_node_entry_sta(sc); 3093280070Sadrian 3094280070Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3095280070Sadrian wpi_del_node_entry(sc, wn->id); 3096280070Sadrian wn->id = WPI_ID_UNDEFINED; 3097280070Sadrian return error; 3098280070Sadrian } 3099280070Sadrian 3100280070Sadrian return 0; 3101280070Sadrian} 3102280070Sadrian 3103280070Sadrianstatic int 3104278366Sadrianwpi_add_ibss_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3105278366Sadrian{ 3106280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3107280069Sadrian int error; 3108278366Sadrian 3109278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3110278366Sadrian 3111278366Sadrian if (wn->id != WPI_ID_UNDEFINED) 3112278366Sadrian return EINVAL; 3113278366Sadrian 3114280069Sadrian if ((wn->id = wpi_add_node_entry_adhoc(sc)) == WPI_ID_UNDEFINED) { 3115280069Sadrian device_printf(sc->sc_dev, "%s: h/w table is full\n", __func__); 3116280069Sadrian return ENOMEM; 3117280069Sadrian } 3118278366Sadrian 3119280069Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3120280069Sadrian wpi_del_node_entry(sc, wn->id); 3121280069Sadrian wn->id = WPI_ID_UNDEFINED; 3122280069Sadrian return error; 3123280069Sadrian } 3124278366Sadrian 3125280069Sadrian return 0; 3126278366Sadrian} 3127278366Sadrian 3128173362Sbenjscstatic void 3129278366Sadrianwpi_del_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3130278366Sadrian{ 3131280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3132278366Sadrian struct wpi_cmd_del_node node; 3133278366Sadrian int error; 3134278366Sadrian 3135278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3136278366Sadrian 3137278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 3138278366Sadrian device_printf(sc->sc_dev, "%s: undefined node id passed\n", 3139278366Sadrian __func__); 3140278366Sadrian return; 3141278366Sadrian } 3142278366Sadrian 3143278366Sadrian memset(&node, 0, sizeof node); 3144279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3145278366Sadrian node.count = 1; 3146278366Sadrian 3147278366Sadrian error = wpi_cmd(sc, WPI_CMD_DEL_NODE, &node, sizeof node, 1); 3148278366Sadrian if (error != 0) { 3149278366Sadrian device_printf(sc->sc_dev, 3150278366Sadrian "%s: could not delete node %u, error %d\n", __func__, 3151278366Sadrian wn->id, error); 3152278366Sadrian } 3153278366Sadrian} 3154278366Sadrian 3155278366Sadrianstatic int 3156278366Sadrianwpi_updateedca(struct ieee80211com *ic) 3157278366Sadrian{ 3158278366Sadrian#define WPI_EXP2(x) ((1 << (x)) - 1) /* CWmin = 2^ECWmin - 1 */ 3159278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 3160278366Sadrian struct wpi_edca_params cmd; 3161278366Sadrian int aci, error; 3162278366Sadrian 3163278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3164278366Sadrian 3165278366Sadrian memset(&cmd, 0, sizeof cmd); 3166278366Sadrian cmd.flags = htole32(WPI_EDCA_UPDATE); 3167278366Sadrian for (aci = 0; aci < WME_NUM_AC; aci++) { 3168278366Sadrian const struct wmeParams *ac = 3169278366Sadrian &ic->ic_wme.wme_chanParams.cap_wmeParams[aci]; 3170278366Sadrian cmd.ac[aci].aifsn = ac->wmep_aifsn; 3171278366Sadrian cmd.ac[aci].cwmin = htole16(WPI_EXP2(ac->wmep_logcwmin)); 3172278366Sadrian cmd.ac[aci].cwmax = htole16(WPI_EXP2(ac->wmep_logcwmax)); 3173278366Sadrian cmd.ac[aci].txoplimit = 3174278366Sadrian htole16(IEEE80211_TXOP_TO_US(ac->wmep_txopLimit)); 3175278366Sadrian 3176278366Sadrian DPRINTF(sc, WPI_DEBUG_EDCA, 3177278366Sadrian "setting WME for queue %d aifsn=%d cwmin=%d cwmax=%d " 3178278366Sadrian "txoplimit=%d\n", aci, cmd.ac[aci].aifsn, 3179278366Sadrian cmd.ac[aci].cwmin, cmd.ac[aci].cwmax, 3180278366Sadrian cmd.ac[aci].txoplimit); 3181278366Sadrian } 3182278366Sadrian IEEE80211_UNLOCK(ic); 3183278366Sadrian WPI_LOCK(sc); 3184278366Sadrian error = wpi_cmd(sc, WPI_CMD_EDCA_PARAMS, &cmd, sizeof cmd, 1); 3185278366Sadrian WPI_UNLOCK(sc); 3186278366Sadrian IEEE80211_LOCK(ic); 3187278366Sadrian 3188278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3189278366Sadrian 3190278366Sadrian return error; 3191278366Sadrian#undef WPI_EXP2 3192278366Sadrian} 3193278366Sadrian 3194278366Sadrianstatic void 3195278366Sadrianwpi_set_promisc(struct wpi_softc *sc) 3196278366Sadrian{ 3197278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3198278366Sadrian uint32_t promisc_filter; 3199278366Sadrian 3200278366Sadrian promisc_filter = WPI_FILTER_PROMISC | WPI_FILTER_CTL; 3201278366Sadrian 3202278366Sadrian if (ifp->if_flags & IFF_PROMISC) 3203278366Sadrian sc->rxon.filter |= htole32(promisc_filter); 3204278366Sadrian else 3205278366Sadrian sc->rxon.filter &= ~htole32(promisc_filter); 3206278366Sadrian} 3207278366Sadrian 3208278366Sadrianstatic void 3209278366Sadrianwpi_update_promisc(struct ifnet *ifp) 3210278366Sadrian{ 3211278366Sadrian struct wpi_softc *sc = ifp->if_softc; 3212278366Sadrian 3213278366Sadrian wpi_set_promisc(sc); 3214278366Sadrian 3215278366Sadrian WPI_LOCK(sc); 3216278366Sadrian if (wpi_send_rxon(sc, 1, 1) != 0) { 3217278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3218278366Sadrian __func__); 3219278366Sadrian } 3220278366Sadrian WPI_UNLOCK(sc); 3221278366Sadrian} 3222278366Sadrian 3223278366Sadrianstatic void 3224278366Sadrianwpi_update_mcast(struct ifnet *ifp) 3225278366Sadrian{ 3226278366Sadrian /* Ignore */ 3227278366Sadrian} 3228278366Sadrian 3229278366Sadrianstatic void 3230173362Sbenjscwpi_set_led(struct wpi_softc *sc, uint8_t which, uint8_t off, uint8_t on) 3231173362Sbenjsc{ 3232173362Sbenjsc struct wpi_cmd_led led; 3233173362Sbenjsc 3234278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3235278366Sadrian 3236173362Sbenjsc led.which = which; 3237173362Sbenjsc led.unit = htole32(100000); /* on/off in unit of 100ms */ 3238173362Sbenjsc led.off = off; 3239173362Sbenjsc led.on = on; 3240173362Sbenjsc (void)wpi_cmd(sc, WPI_CMD_SET_LED, &led, sizeof led, 1); 3241173362Sbenjsc} 3242173362Sbenjsc 3243278366Sadrianstatic int 3244278366Sadrianwpi_set_timing(struct wpi_softc *sc, struct ieee80211_node *ni) 3245173362Sbenjsc{ 3246278366Sadrian struct wpi_cmd_timing cmd; 3247173362Sbenjsc uint64_t val, mod; 3248173362Sbenjsc 3249278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3250173362Sbenjsc 3251278366Sadrian memset(&cmd, 0, sizeof cmd); 3252278366Sadrian memcpy(&cmd.tstamp, ni->ni_tstamp.data, sizeof (uint64_t)); 3253278366Sadrian cmd.bintval = htole16(ni->ni_intval); 3254278366Sadrian cmd.lintval = htole16(10); 3255173362Sbenjsc 3256278366Sadrian /* Compute remaining time until next beacon. */ 3257278366Sadrian val = (uint64_t)ni->ni_intval * IEEE80211_DUR_TU; 3258278366Sadrian mod = le64toh(cmd.tstamp) % val; 3259278366Sadrian cmd.binitval = htole32((uint32_t)(val - mod)); 3260278366Sadrian 3261278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "timing bintval=%u tstamp=%ju, init=%u\n", 3262278366Sadrian ni->ni_intval, le64toh(cmd.tstamp), (uint32_t)(val - mod)); 3263278366Sadrian 3264278366Sadrian return wpi_cmd(sc, WPI_CMD_TIMING, &cmd, sizeof cmd, 1); 3265173362Sbenjsc} 3266173362Sbenjsc 3267173362Sbenjsc/* 3268278366Sadrian * This function is called periodically (every 60 seconds) to adjust output 3269278366Sadrian * power to temperature changes. 3270173362Sbenjsc */ 3271278366Sadrianstatic void 3272278366Sadrianwpi_power_calibration(struct wpi_softc *sc) 3273278366Sadrian{ 3274278366Sadrian int temp; 3275278366Sadrian 3276278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3277278366Sadrian 3278278366Sadrian /* Update sensor data. */ 3279278366Sadrian temp = (int)WPI_READ(sc, WPI_UCODE_GP2); 3280278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "Temp in calibration is: %d\n", temp); 3281278366Sadrian 3282278366Sadrian /* Sanity-check read value. */ 3283278366Sadrian if (temp < -260 || temp > 25) { 3284278366Sadrian /* This can't be correct, ignore. */ 3285278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3286278366Sadrian "out-of-range temperature reported: %d\n", temp); 3287278366Sadrian return; 3288278366Sadrian } 3289278366Sadrian 3290278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d->%d\n", sc->temp, temp); 3291278366Sadrian 3292278366Sadrian /* Adjust Tx power if need be. */ 3293278366Sadrian if (abs(temp - sc->temp) <= 6) 3294278366Sadrian return; 3295278366Sadrian 3296278366Sadrian sc->temp = temp; 3297278366Sadrian 3298278366Sadrian if (wpi_set_txpower(sc, 1) != 0) { 3299278366Sadrian /* just warn, too bad for the automatic calibration... */ 3300278366Sadrian device_printf(sc->sc_dev,"could not adjust Tx power\n"); 3301278366Sadrian } 3302278366Sadrian} 3303278366Sadrian 3304278366Sadrian/* 3305278366Sadrian * Set TX power for current channel. 3306278366Sadrian */ 3307173362Sbenjscstatic int 3308278366Sadrianwpi_set_txpower(struct wpi_softc *sc, int async) 3309173362Sbenjsc{ 3310280067Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3311278366Sadrian struct ieee80211_channel *ch; 3312278366Sadrian struct wpi_power_group *group; 3313278366Sadrian struct wpi_cmd_txpower cmd; 3314278366Sadrian uint8_t chan; 3315278366Sadrian int idx, i; 3316173362Sbenjsc 3317278366Sadrian /* Retrieve current channel from last RXON. */ 3318278366Sadrian chan = sc->rxon.chan; 3319278366Sadrian ch = &ic->ic_channels[chan]; 3320173362Sbenjsc 3321278366Sadrian /* Find the TX power group to which this channel belongs. */ 3322278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3323278366Sadrian for (group = &sc->groups[1]; group < &sc->groups[4]; group++) 3324278366Sadrian if (chan <= group->chan) 3325278366Sadrian break; 3326278366Sadrian } else 3327278366Sadrian group = &sc->groups[0]; 3328278366Sadrian 3329278366Sadrian memset(&cmd, 0, sizeof cmd); 3330278366Sadrian cmd.band = IEEE80211_IS_CHAN_5GHZ(ch) ? 0 : 1; 3331278366Sadrian cmd.chan = htole16(chan); 3332278366Sadrian 3333278366Sadrian /* Set TX power for all OFDM and CCK rates. */ 3334278366Sadrian for (i = 0; i <= WPI_RIDX_MAX ; i++) { 3335278366Sadrian /* Retrieve TX power for this channel/rate. */ 3336278366Sadrian idx = wpi_get_power_index(sc, group, ch, i); 3337278366Sadrian 3338278366Sadrian cmd.rates[i].plcp = wpi_ridx_to_plcp[i]; 3339278366Sadrian 3340278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3341278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_5ghz[idx]; 3342278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_5ghz[idx]; 3343278366Sadrian } else { 3344278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_2ghz[idx]; 3345278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_2ghz[idx]; 3346278366Sadrian } 3347278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3348278366Sadrian "chan %d/ridx %d: power index %d\n", chan, i, idx); 3349173362Sbenjsc } 3350173362Sbenjsc 3351278366Sadrian return wpi_cmd(sc, WPI_CMD_TXPOWER, &cmd, sizeof cmd, async); 3352278366Sadrian} 3353173362Sbenjsc 3354278366Sadrian/* 3355278366Sadrian * Determine Tx power index for a given channel/rate combination. 3356278366Sadrian * This takes into account the regulatory information from EEPROM and the 3357278366Sadrian * current temperature. 3358278366Sadrian */ 3359278366Sadrianstatic int 3360278366Sadrianwpi_get_power_index(struct wpi_softc *sc, struct wpi_power_group *group, 3361278366Sadrian struct ieee80211_channel *c, int ridx) 3362278366Sadrian{ 3363278366Sadrian/* Fixed-point arithmetic division using a n-bit fractional part. */ 3364280059Sadrian#define fdivround(a, b, n) \ 3365278366Sadrian ((((1 << n) * (a)) / (b) + (1 << n) / 2) / (1 << n)) 3366173362Sbenjsc 3367278366Sadrian/* Linear interpolation. */ 3368280059Sadrian#define interpolate(x, x1, y1, x2, y2, n) \ 3369278366Sadrian ((y1) + fdivround(((x) - (x1)) * ((y2) - (y1)), (x2) - (x1), n)) 3370173362Sbenjsc 3371280067Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3372278366Sadrian struct wpi_power_sample *sample; 3373278366Sadrian int pwr, idx; 3374278366Sadrian u_int chan; 3375278366Sadrian 3376278366Sadrian /* Get channel number. */ 3377278366Sadrian chan = ieee80211_chan2ieee(ic, c); 3378278366Sadrian 3379278366Sadrian /* Default TX power is group maximum TX power minus 3dB. */ 3380278366Sadrian pwr = group->maxpwr / 2; 3381278366Sadrian 3382278366Sadrian /* Decrease TX power for highest OFDM rates to reduce distortion. */ 3383278366Sadrian switch (ridx) { 3384278366Sadrian case WPI_RIDX_OFDM36: 3385278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 0 : 5; 3386278366Sadrian break; 3387278366Sadrian case WPI_RIDX_OFDM48: 3388278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 7 : 10; 3389278366Sadrian break; 3390278366Sadrian case WPI_RIDX_OFDM54: 3391278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 9 : 12; 3392278366Sadrian break; 3393173362Sbenjsc } 3394173362Sbenjsc 3395278366Sadrian /* Never exceed the channel maximum allowed TX power. */ 3396278366Sadrian pwr = min(pwr, sc->maxpwr[chan]); 3397173362Sbenjsc 3398278366Sadrian /* Retrieve TX power index into gain tables from samples. */ 3399278366Sadrian for (sample = group->samples; sample < &group->samples[3]; sample++) 3400278366Sadrian if (pwr > sample[1].power) 3401278366Sadrian break; 3402278366Sadrian /* Fixed-point linear interpolation using a 19-bit fractional part. */ 3403278366Sadrian idx = interpolate(pwr, sample[0].power, sample[0].index, 3404278366Sadrian sample[1].power, sample[1].index, 19); 3405173362Sbenjsc 3406278366Sadrian /*- 3407278366Sadrian * Adjust power index based on current temperature: 3408278366Sadrian * - if cooler than factory-calibrated: decrease output power 3409278366Sadrian * - if warmer than factory-calibrated: increase output power 3410278366Sadrian */ 3411278366Sadrian idx -= (sc->temp - group->temp) * 11 / 100; 3412173362Sbenjsc 3413278366Sadrian /* Decrease TX power for CCK rates (-5dB). */ 3414278366Sadrian if (ridx >= WPI_RIDX_CCK1) 3415278366Sadrian idx += 10; 3416278366Sadrian 3417278366Sadrian /* Make sure idx stays in a valid range. */ 3418278366Sadrian if (idx < 0) 3419278366Sadrian return 0; 3420278366Sadrian if (idx > WPI_MAX_PWR_INDEX) 3421278366Sadrian return WPI_MAX_PWR_INDEX; 3422278366Sadrian return idx; 3423278366Sadrian 3424278366Sadrian#undef interpolate 3425278366Sadrian#undef fdivround 3426173362Sbenjsc} 3427173362Sbenjsc 3428278366Sadrian/* 3429278366Sadrian * Set STA mode power saving level (between 0 and 5). 3430278366Sadrian * Level 0 is CAM (Continuously Aware Mode), 5 is for maximum power saving. 3431278366Sadrian */ 3432173362Sbenjscstatic int 3433278366Sadrianwpi_set_pslevel(struct wpi_softc *sc, uint8_t dtim, int level, int async) 3434173362Sbenjsc{ 3435278366Sadrian struct wpi_pmgt_cmd cmd; 3436278366Sadrian const struct wpi_pmgt *pmgt; 3437278366Sadrian uint32_t max, skip_dtim; 3438278366Sadrian uint32_t reg; 3439278366Sadrian int i; 3440278366Sadrian 3441278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 3442278366Sadrian "%s: dtim=%d, level=%d, async=%d\n", 3443278366Sadrian __func__, dtim, level, async); 3444278366Sadrian 3445278366Sadrian /* Select which PS parameters to use. */ 3446278366Sadrian if (dtim <= 10) 3447278366Sadrian pmgt = &wpi_pmgt[0][level]; 3448278366Sadrian else 3449278366Sadrian pmgt = &wpi_pmgt[1][level]; 3450278366Sadrian 3451278366Sadrian memset(&cmd, 0, sizeof cmd); 3452278366Sadrian if (level != 0) /* not CAM */ 3453278366Sadrian cmd.flags |= htole16(WPI_PS_ALLOW_SLEEP); 3454278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 3455278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 3456278366Sadrian if (!(reg & 0x1)) /* L0s Entry disabled. */ 3457278366Sadrian cmd.flags |= htole16(WPI_PS_PCI_PMGT); 3458278366Sadrian 3459278366Sadrian cmd.rxtimeout = htole32(pmgt->rxtimeout * IEEE80211_DUR_TU); 3460278366Sadrian cmd.txtimeout = htole32(pmgt->txtimeout * IEEE80211_DUR_TU); 3461278366Sadrian 3462278366Sadrian if (dtim == 0) { 3463278366Sadrian dtim = 1; 3464278366Sadrian skip_dtim = 0; 3465278366Sadrian } else 3466278366Sadrian skip_dtim = pmgt->skip_dtim; 3467278366Sadrian 3468278366Sadrian if (skip_dtim != 0) { 3469278366Sadrian cmd.flags |= htole16(WPI_PS_SLEEP_OVER_DTIM); 3470278366Sadrian max = pmgt->intval[4]; 3471278366Sadrian if (max == (uint32_t)-1) 3472278366Sadrian max = dtim * (skip_dtim + 1); 3473278366Sadrian else if (max > dtim) 3474278366Sadrian max = (max / dtim) * dtim; 3475278366Sadrian } else 3476278366Sadrian max = dtim; 3477278366Sadrian 3478278366Sadrian for (i = 0; i < 5; i++) 3479278366Sadrian cmd.intval[i] = htole32(MIN(max, pmgt->intval[i])); 3480278366Sadrian 3481278366Sadrian return wpi_cmd(sc, WPI_CMD_SET_POWER_MODE, &cmd, sizeof cmd, async); 3482278366Sadrian} 3483278366Sadrian 3484280059Sadrianstatic int 3485278366Sadrianwpi_send_btcoex(struct wpi_softc *sc) 3486278366Sadrian{ 3487278366Sadrian struct wpi_bluetooth cmd; 3488278366Sadrian 3489280059Sadrian memset(&cmd, 0, sizeof cmd); 3490280059Sadrian cmd.flags = WPI_BT_COEX_MODE_4WIRE; 3491280059Sadrian cmd.lead_time = WPI_BT_LEAD_TIME_DEF; 3492280059Sadrian cmd.max_kill = WPI_BT_MAX_KILL_DEF; 3493278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "%s: configuring bluetooth coexistence\n", 3494278366Sadrian __func__); 3495280059Sadrian return wpi_cmd(sc, WPI_CMD_BT_COEX, &cmd, sizeof(cmd), 0); 3496278366Sadrian} 3497278366Sadrian 3498278366Sadrianstatic int 3499278366Sadrianwpi_send_rxon(struct wpi_softc *sc, int assoc, int async) 3500278366Sadrian{ 3501173362Sbenjsc int error; 3502173362Sbenjsc 3503278366Sadrian if (assoc && (sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3504278366Sadrian struct wpi_assoc rxon_assoc; 3505177043Sthompsa 3506278366Sadrian rxon_assoc.flags = sc->rxon.flags; 3507278366Sadrian rxon_assoc.filter = sc->rxon.filter; 3508278366Sadrian rxon_assoc.ofdm_mask = sc->rxon.ofdm_mask; 3509278366Sadrian rxon_assoc.cck_mask = sc->rxon.cck_mask; 3510278366Sadrian rxon_assoc.reserved = 0; 3511278366Sadrian 3512278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON_ASSOC, &rxon_assoc, 3513278366Sadrian sizeof (struct wpi_assoc), async); 3514216522Sbschmidt } else { 3515278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3516278366Sadrian sizeof (struct wpi_rxon), async); 3517280069Sadrian 3518280069Sadrian wpi_clear_node_table(sc); 3519173362Sbenjsc } 3520173362Sbenjsc if (error != 0) { 3521278366Sadrian device_printf(sc->sc_dev, "RXON command failed, error %d\n", 3522278366Sadrian error); 3523173362Sbenjsc return error; 3524173362Sbenjsc } 3525173362Sbenjsc 3526278366Sadrian /* Configuration has changed, set Tx power accordingly. */ 3527278366Sadrian if ((error = wpi_set_txpower(sc, async)) != 0) { 3528278366Sadrian device_printf(sc->sc_dev, 3529278366Sadrian "%s: could not set TX power, error %d\n", __func__, error); 3530173362Sbenjsc return error; 3531173362Sbenjsc } 3532173362Sbenjsc 3533278366Sadrian if (!(sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3534278366Sadrian /* Add broadcast node. */ 3535278366Sadrian error = wpi_add_broadcast_node(sc, async); 3536278366Sadrian if (error != 0) { 3537278366Sadrian device_printf(sc->sc_dev, 3538278366Sadrian "could not add broadcast node, error %d\n", error); 3539278366Sadrian return error; 3540278366Sadrian } 3541278366Sadrian } 3542177043Sthompsa 3543278366Sadrian return 0; 3544177043Sthompsa} 3545177043Sthompsa 3546278366Sadrian/** 3547278366Sadrian * Configure the card to listen to a particular channel, this transisions the 3548278366Sadrian * card in to being able to receive frames from remote devices. 3549278366Sadrian */ 3550177043Sthompsastatic int 3551278366Sadrianwpi_config(struct wpi_softc *sc) 3552177043Sthompsa{ 3553278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3554278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3555279762Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3556278366Sadrian uint32_t flags; 3557177043Sthompsa int error; 3558177043Sthompsa 3559278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3560278366Sadrian 3561278366Sadrian /* Set power saving level to CAM during initialization. */ 3562278366Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 0)) != 0) { 3563278366Sadrian device_printf(sc->sc_dev, 3564278366Sadrian "%s: could not set power saving level\n", __func__); 3565278366Sadrian return error; 3566178354Ssam } 3567178354Ssam 3568278366Sadrian /* Configure bluetooth coexistence. */ 3569278366Sadrian if ((error = wpi_send_btcoex(sc)) != 0) { 3570278366Sadrian device_printf(sc->sc_dev, 3571278366Sadrian "could not configure bluetooth coexistence\n"); 3572278366Sadrian return error; 3573278366Sadrian } 3574177043Sthompsa 3575278366Sadrian /* Configure adapter. */ 3576278366Sadrian memset(&sc->rxon, 0, sizeof (struct wpi_rxon)); 3577279762Sadrian IEEE80211_ADDR_COPY(sc->rxon.myaddr, vap->iv_myaddr); 3578177043Sthompsa 3579278366Sadrian /* Set default channel. */ 3580278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ic->ic_curchan); 3581278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3582278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) 3583278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3584177043Sthompsa 3585278764Sadrian sc->rxon.filter = WPI_FILTER_MULTICAST; 3586278366Sadrian switch (ic->ic_opmode) { 3587278366Sadrian case IEEE80211_M_STA: 3588278366Sadrian sc->rxon.mode = WPI_MODE_STA; 3589278366Sadrian break; 3590278366Sadrian case IEEE80211_M_IBSS: 3591278366Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3592278764Sadrian sc->rxon.filter |= WPI_FILTER_BEACON; 3593278366Sadrian break; 3594278366Sadrian /* XXX workaround for passive channels selection */ 3595278366Sadrian case IEEE80211_M_AHDEMO: 3596278366Sadrian case IEEE80211_M_HOSTAP: 3597278366Sadrian sc->rxon.mode = WPI_MODE_HOSTAP; 3598278366Sadrian break; 3599278366Sadrian case IEEE80211_M_MONITOR: 3600278366Sadrian sc->rxon.mode = WPI_MODE_MONITOR; 3601278366Sadrian break; 3602278366Sadrian default: 3603280066Sadrian device_printf(sc->sc_dev, "unknown opmode %d\n", 3604280066Sadrian ic->ic_opmode); 3605278366Sadrian return EINVAL; 3606278366Sadrian } 3607278764Sadrian sc->rxon.filter = htole32(sc->rxon.filter); 3608278366Sadrian wpi_set_promisc(sc); 3609278366Sadrian sc->rxon.cck_mask = 0x0f; /* not yet negotiated */ 3610278366Sadrian sc->rxon.ofdm_mask = 0xff; /* not yet negotiated */ 3611278366Sadrian 3612278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) { 3613278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3614278366Sadrian __func__); 3615173362Sbenjsc return error; 3616173362Sbenjsc } 3617173362Sbenjsc 3618278366Sadrian /* Setup rate scalling. */ 3619278366Sadrian if ((error = wpi_mrr_setup(sc)) != 0) { 3620278366Sadrian device_printf(sc->sc_dev, "could not setup MRR, error %d\n", 3621278366Sadrian error); 3622278366Sadrian return error; 3623278366Sadrian } 3624278366Sadrian 3625278366Sadrian /* Disable beacon notifications (unused). */ 3626278366Sadrian flags = WPI_STATISTICS_BEACON_DISABLE; 3627278366Sadrian error = wpi_cmd(sc, WPI_CMD_GET_STATISTICS, &flags, sizeof flags, 1); 3628177043Sthompsa if (error != 0) { 3629278366Sadrian device_printf(sc->sc_dev, 3630278366Sadrian "could not disable beacon statistics, error %d\n", error); 3631177043Sthompsa return error; 3632177043Sthompsa } 3633173362Sbenjsc 3634278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3635177043Sthompsa 3636278366Sadrian return 0; 3637278366Sadrian} 3638177043Sthompsa 3639278366Sadrianstatic uint16_t 3640278366Sadrianwpi_get_active_dwell_time(struct wpi_softc *sc, 3641278366Sadrian struct ieee80211_channel *c, uint8_t n_probes) 3642278366Sadrian{ 3643278366Sadrian /* No channel? Default to 2GHz settings. */ 3644278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) { 3645278366Sadrian return (WPI_ACTIVE_DWELL_TIME_2GHZ + 3646278366Sadrian WPI_ACTIVE_DWELL_FACTOR_2GHZ * (n_probes + 1)); 3647278366Sadrian } 3648278366Sadrian 3649278366Sadrian /* 5GHz dwell time. */ 3650278366Sadrian return (WPI_ACTIVE_DWELL_TIME_5GHZ + 3651278366Sadrian WPI_ACTIVE_DWELL_FACTOR_5GHZ * (n_probes + 1)); 3652173362Sbenjsc} 3653173362Sbenjsc 3654173362Sbenjsc/* 3655278366Sadrian * Limit the total dwell time to 85% of the beacon interval. 3656278366Sadrian * 3657278366Sadrian * Returns the dwell time in milliseconds. 3658173362Sbenjsc */ 3659278366Sadrianstatic uint16_t 3660278366Sadrianwpi_limit_dwell(struct wpi_softc *sc, uint16_t dwell_time) 3661278366Sadrian{ 3662278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3663278366Sadrian struct ieee80211vap *vap = NULL; 3664278366Sadrian int bintval = 0; 3665278366Sadrian 3666278366Sadrian /* bintval is in TU (1.024mS) */ 3667278366Sadrian if (! TAILQ_EMPTY(&ic->ic_vaps)) { 3668278366Sadrian vap = TAILQ_FIRST(&ic->ic_vaps); 3669278366Sadrian bintval = vap->iv_bss->ni_intval; 3670278366Sadrian } 3671278366Sadrian 3672278366Sadrian /* 3673278366Sadrian * If it's non-zero, we should calculate the minimum of 3674278366Sadrian * it and the DWELL_BASE. 3675278366Sadrian * 3676278366Sadrian * XXX Yes, the math should take into account that bintval 3677278366Sadrian * is 1.024mS, not 1mS.. 3678278366Sadrian */ 3679278366Sadrian if (bintval > 0) { 3680278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "%s: bintval=%d\n", __func__, 3681278366Sadrian bintval); 3682278366Sadrian return (MIN(WPI_PASSIVE_DWELL_BASE, ((bintval * 85) / 100))); 3683278366Sadrian } 3684278366Sadrian 3685278366Sadrian /* No association context? Default. */ 3686278366Sadrian return (WPI_PASSIVE_DWELL_BASE); 3687278366Sadrian} 3688278366Sadrian 3689278366Sadrianstatic uint16_t 3690278366Sadrianwpi_get_passive_dwell_time(struct wpi_softc *sc, struct ieee80211_channel *c) 3691278366Sadrian{ 3692278366Sadrian uint16_t passive; 3693278366Sadrian 3694278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) 3695278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_2GHZ; 3696278366Sadrian else 3697278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_5GHZ; 3698278366Sadrian 3699278366Sadrian /* Clamp to the beacon interval if we're associated. */ 3700278366Sadrian return (wpi_limit_dwell(sc, passive)); 3701278366Sadrian} 3702278366Sadrian 3703278366Sadrian/* 3704278366Sadrian * Send a scan request to the firmware. 3705278366Sadrian */ 3706173362Sbenjscstatic int 3707278366Sadrianwpi_scan(struct wpi_softc *sc, struct ieee80211_channel *c) 3708173362Sbenjsc{ 3709178354Ssam struct ifnet *ifp = sc->sc_ifp; 3710178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3711177043Sthompsa struct ieee80211_scan_state *ss = ic->ic_scan; 3712279762Sadrian struct ieee80211vap *vap = ss->ss_vap; 3713173362Sbenjsc struct wpi_scan_hdr *hdr; 3714278366Sadrian struct wpi_cmd_data *tx; 3715278366Sadrian struct wpi_scan_essid *essids; 3716173362Sbenjsc struct wpi_scan_chan *chan; 3717173362Sbenjsc struct ieee80211_frame *wh; 3718173362Sbenjsc struct ieee80211_rateset *rs; 3719278366Sadrian uint16_t dwell_active, dwell_passive; 3720278366Sadrian uint8_t *buf, *frm; 3721278366Sadrian int buflen, error, i, nssid; 3722173362Sbenjsc 3723278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3724173362Sbenjsc 3725278366Sadrian /* 3726278366Sadrian * We are absolutely not allowed to send a scan command when another 3727278366Sadrian * scan command is pending. 3728278366Sadrian */ 3729278366Sadrian if (sc->sc_scan_timer) { 3730278366Sadrian device_printf(sc->sc_dev, "%s: called whilst scanning!\n", 3731278366Sadrian __func__); 3732280060Sadrian 3733280060Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3734280060Sadrian 3735278366Sadrian return (EAGAIN); 3736278366Sadrian } 3737278366Sadrian 3738278366Sadrian buf = malloc(WPI_SCAN_MAXSZ, M_DEVBUF, M_NOWAIT | M_ZERO); 3739278366Sadrian if (buf == NULL) { 3740173362Sbenjsc device_printf(sc->sc_dev, 3741278366Sadrian "%s: could not allocate buffer for scan command\n", 3742278366Sadrian __func__); 3743280060Sadrian error = ENOMEM; 3744280060Sadrian goto fail; 3745173362Sbenjsc } 3746278366Sadrian hdr = (struct wpi_scan_hdr *)buf; 3747173362Sbenjsc 3748173362Sbenjsc /* 3749278366Sadrian * Move to the next channel if no packets are received within 10 msecs 3750278366Sadrian * after sending the probe request. 3751173362Sbenjsc */ 3752278366Sadrian hdr->quiet_time = htole16(10); /* timeout in milliseconds */ 3753278366Sadrian hdr->quiet_threshold = htole16(1); /* min # of packets */ 3754278366Sadrian /* 3755278366Sadrian * Max needs to be greater than active and passive and quiet! 3756278366Sadrian * It's also in microseconds! 3757278366Sadrian */ 3758278366Sadrian hdr->max_svc = htole32(250 * IEEE80211_DUR_TU); 3759278366Sadrian hdr->pause_svc = htole32((4 << 24) | 3760278366Sadrian (100 * IEEE80211_DUR_TU)); /* Hardcode for now */ 3761278366Sadrian hdr->filter = htole32(WPI_FILTER_MULTICAST | WPI_FILTER_BEACON); 3762173362Sbenjsc 3763278366Sadrian tx = (struct wpi_cmd_data *)(hdr + 1); 3764278366Sadrian tx->flags = htole32(WPI_TX_AUTO_SEQ); 3765278366Sadrian tx->id = WPI_ID_BROADCAST; 3766278366Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 3767173362Sbenjsc 3768278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) { 3769278366Sadrian /* Send probe requests at 6Mbps. */ 3770278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_OFDM6]; 3771278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11A]; 3772173362Sbenjsc } else { 3773278366Sadrian hdr->flags = htole32(WPI_RXON_24GHZ | WPI_RXON_AUTO); 3774278366Sadrian /* Send probe requests at 1Mbps. */ 3775278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3776278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11G]; 3777173362Sbenjsc } 3778173362Sbenjsc 3779278366Sadrian essids = (struct wpi_scan_essid *)(tx + 1); 3780177043Sthompsa nssid = MIN(ss->ss_nssid, WPI_SCAN_MAX_ESSIDS); 3781178354Ssam for (i = 0; i < nssid; i++) { 3782278366Sadrian essids[i].id = IEEE80211_ELEMID_SSID; 3783278366Sadrian essids[i].len = MIN(ss->ss_ssid[i].len, IEEE80211_NWID_LEN); 3784278366Sadrian memcpy(essids[i].data, ss->ss_ssid[i].ssid, essids[i].len); 3785179957Sthompsa#ifdef WPI_DEBUG 3786278366Sadrian if (sc->sc_debug & WPI_DEBUG_SCAN) { 3787177043Sthompsa printf("Scanning Essid: "); 3788278366Sadrian ieee80211_print_essid(essids[i].data, essids[i].len); 3789177043Sthompsa printf("\n"); 3790177043Sthompsa } 3791179957Sthompsa#endif 3792173362Sbenjsc } 3793173362Sbenjsc 3794173362Sbenjsc /* 3795173362Sbenjsc * Build a probe request frame. Most of the following code is a 3796173362Sbenjsc * copy & paste of what is done in net80211. 3797173362Sbenjsc */ 3798278366Sadrian wh = (struct ieee80211_frame *)(essids + WPI_SCAN_MAX_ESSIDS); 3799173362Sbenjsc wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 3800173362Sbenjsc IEEE80211_FC0_SUBTYPE_PROBE_REQ; 3801173362Sbenjsc wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 3802173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr1, ifp->if_broadcastaddr); 3803279762Sadrian IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); 3804173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr3, ifp->if_broadcastaddr); 3805278366Sadrian *(uint16_t *)&wh->i_dur[0] = 0; /* filled by h/w */ 3806278366Sadrian *(uint16_t *)&wh->i_seq[0] = 0; /* filled by h/w */ 3807173362Sbenjsc 3808173362Sbenjsc frm = (uint8_t *)(wh + 1); 3809275966Sadrian frm = ieee80211_add_ssid(frm, NULL, 0); 3810275966Sadrian frm = ieee80211_add_rates(frm, rs); 3811278366Sadrian if (rs->rs_nrates > IEEE80211_RATE_SIZE) 3812278366Sadrian frm = ieee80211_add_xrates(frm, rs); 3813173362Sbenjsc 3814278366Sadrian /* Set length of probe request. */ 3815278366Sadrian tx->len = htole16(frm - (uint8_t *)wh); 3816173362Sbenjsc 3817173362Sbenjsc /* 3818173362Sbenjsc * Construct information about the channel that we 3819173362Sbenjsc * want to scan. The firmware expects this to be directly 3820173362Sbenjsc * after the scan probe request 3821173362Sbenjsc */ 3822173362Sbenjsc chan = (struct wpi_scan_chan *)frm; 3823278366Sadrian chan->chan = htole16(ieee80211_chan2ieee(ic, c)); 3824173362Sbenjsc chan->flags = 0; 3825278366Sadrian if (nssid) { 3826278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_DEFAULT; 3827278366Sadrian chan->flags |= WPI_CHAN_NPBREQS(nssid); 3828278366Sadrian } else 3829278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_NEVER; 3830278366Sadrian 3831278764Sadrian if (!IEEE80211_IS_CHAN_PASSIVE(c)) 3832173362Sbenjsc chan->flags |= WPI_CHAN_ACTIVE; 3833173362Sbenjsc 3834278366Sadrian /* 3835278366Sadrian * Calculate the active/passive dwell times. 3836278366Sadrian */ 3837173362Sbenjsc 3838278366Sadrian dwell_active = wpi_get_active_dwell_time(sc, c, nssid); 3839278366Sadrian dwell_passive = wpi_get_passive_dwell_time(sc, c); 3840278366Sadrian 3841278366Sadrian /* Make sure they're valid. */ 3842278366Sadrian if (dwell_passive <= dwell_active) 3843278366Sadrian dwell_passive = dwell_active + 1; 3844278366Sadrian 3845278366Sadrian chan->active = htole16(dwell_active); 3846278366Sadrian chan->passive = htole16(dwell_passive); 3847278366Sadrian 3848278366Sadrian chan->dsp_gain = 0x6e; /* Default level */ 3849278366Sadrian 3850278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) 3851278366Sadrian chan->rf_gain = 0x3b; 3852278366Sadrian else 3853278366Sadrian chan->rf_gain = 0x28; 3854278366Sadrian 3855278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "Scanning %u Passive: %d\n", 3856280059Sadrian chan->chan, IEEE80211_IS_CHAN_PASSIVE(c)); 3857278366Sadrian 3858173362Sbenjsc hdr->nchan++; 3859173362Sbenjsc chan++; 3860173362Sbenjsc 3861278366Sadrian buflen = (uint8_t *)chan - buf; 3862278366Sadrian hdr->len = htole16(buflen); 3863173362Sbenjsc 3864278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "sending scan command nchan=%d\n", 3865278366Sadrian hdr->nchan); 3866278366Sadrian error = wpi_cmd(sc, WPI_CMD_SCAN, buf, buflen, 1); 3867278366Sadrian free(buf, M_DEVBUF); 3868173362Sbenjsc 3869280060Sadrian if (error != 0) 3870280060Sadrian goto fail; 3871280060Sadrian 3872278366Sadrian sc->sc_scan_timer = 5; 3873173362Sbenjsc 3874278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3875173362Sbenjsc 3876280060Sadrian return 0; 3877280060Sadrian 3878280060Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3879280060Sadrian 3880278366Sadrian return error; 3881278366Sadrian} 3882173362Sbenjsc 3883278366Sadrianstatic int 3884278366Sadrianwpi_auth(struct wpi_softc *sc, struct ieee80211vap *vap) 3885278366Sadrian{ 3886278366Sadrian struct ieee80211com *ic = vap->iv_ic; 3887278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 3888278366Sadrian int error; 3889173362Sbenjsc 3890278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3891278366Sadrian 3892278366Sadrian /* Update adapter configuration. */ 3893278366Sadrian sc->rxon.associd = 0; 3894278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 3895278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 3896278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 3897278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3898278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 3899278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3900278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 3901278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 3902278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 3903278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 3904278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 3905278366Sadrian sc->rxon.cck_mask = 0; 3906278366Sadrian sc->rxon.ofdm_mask = 0x15; 3907278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 3908278366Sadrian sc->rxon.cck_mask = 0x03; 3909278366Sadrian sc->rxon.ofdm_mask = 0; 3910278366Sadrian } else { 3911278366Sadrian /* Assume 802.11b/g. */ 3912278366Sadrian sc->rxon.cck_mask = 0x0f; 3913278366Sadrian sc->rxon.ofdm_mask = 0x15; 3914173362Sbenjsc } 3915173362Sbenjsc 3916278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x cck %x ofdm %x\n", 3917278366Sadrian sc->rxon.chan, sc->rxon.flags, sc->rxon.cck_mask, 3918278366Sadrian sc->rxon.ofdm_mask); 3919173362Sbenjsc 3920278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 3921278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3922278366Sadrian __func__); 3923278366Sadrian } 3924173362Sbenjsc 3925278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3926173362Sbenjsc 3927278366Sadrian return error; 3928173362Sbenjsc} 3929173362Sbenjsc 3930173362Sbenjscstatic int 3931278366Sadrianwpi_setup_beacon(struct wpi_softc *sc, struct ieee80211_node *ni) 3932173362Sbenjsc{ 3933178354Ssam struct ifnet *ifp = sc->sc_ifp; 3934178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3935278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 3936278366Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 3937278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 3938278366Sadrian struct ieee80211_beacon_offsets bo; 3939278366Sadrian struct wpi_cmd_beacon *cmd; 3940278366Sadrian struct mbuf *m; 3941278366Sadrian int totlen; 3942173362Sbenjsc 3943278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3944278366Sadrian 3945278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) 3946278366Sadrian return EINVAL; 3947278366Sadrian 3948278366Sadrian m = ieee80211_beacon_alloc(ni, &bo); 3949278366Sadrian if (m == NULL) { 3950278366Sadrian device_printf(sc->sc_dev, 3951278366Sadrian "%s: could not allocate beacon frame\n", __func__); 3952278366Sadrian return ENOMEM; 3953173362Sbenjsc } 3954278366Sadrian totlen = m->m_pkthdr.len; 3955173362Sbenjsc 3956278366Sadrian if (bcn->data == NULL) { 3957278366Sadrian cmd = malloc(sizeof(struct wpi_cmd_beacon), M_DEVBUF, 3958278366Sadrian M_NOWAIT | M_ZERO); 3959278366Sadrian 3960278366Sadrian if (cmd == NULL) { 3961278366Sadrian device_printf(sc->sc_dev, 3962278366Sadrian "could not allocate buffer for beacon command\n"); 3963278366Sadrian m_freem(m); 3964278366Sadrian return ENOMEM; 3965278366Sadrian } 3966278366Sadrian 3967278366Sadrian cmd->id = WPI_ID_BROADCAST; 3968278366Sadrian cmd->ofdm_mask = 0xff; 3969278366Sadrian cmd->cck_mask = 0x0f; 3970278366Sadrian cmd->lifetime = htole32(WPI_LIFETIME_INFINITE); 3971278366Sadrian cmd->flags = htole32(WPI_TX_AUTO_SEQ | WPI_TX_INSERT_TSTAMP); 3972278366Sadrian 3973278366Sadrian bcn->data = cmd; 3974278366Sadrian bcn->ni = NULL; 3975278366Sadrian bcn->code = WPI_CMD_SET_BEACON; 3976278366Sadrian bcn->ac = 4; 3977278366Sadrian bcn->size = sizeof(struct wpi_cmd_beacon); 3978278366Sadrian } else 3979278366Sadrian cmd = bcn->data; 3980278366Sadrian 3981278366Sadrian cmd->len = htole16(totlen); 3982278366Sadrian cmd->plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3983278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3984278366Sadrian 3985278366Sadrian /* NB: m will be freed in wpi_cmd_done() */ 3986278366Sadrian bcn->m = m; 3987278366Sadrian 3988278366Sadrian return wpi_cmd2(sc, bcn); 3989278366Sadrian} 3990278366Sadrian 3991278366Sadrianstatic void 3992278366Sadrianwpi_update_beacon(struct ieee80211vap *vap, int item) 3993278366Sadrian{ 3994280057Sadrian struct wpi_softc *sc = vap->iv_ic->ic_ifp->if_softc; 3995278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 3996278366Sadrian int error; 3997278366Sadrian 3998278764Sadrian WPI_LOCK(sc); 3999278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 4000173362Sbenjsc device_printf(sc->sc_dev, 4001278366Sadrian "%s: could not update beacon frame, error %d", __func__, 4002278366Sadrian error); 4003173362Sbenjsc } 4004278764Sadrian WPI_UNLOCK(sc); 4005278366Sadrian} 4006173362Sbenjsc 4007278366Sadrianstatic int 4008278366Sadrianwpi_run(struct wpi_softc *sc, struct ieee80211vap *vap) 4009278366Sadrian{ 4010278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4011278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4012278366Sadrian int error; 4013278366Sadrian 4014278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4015278366Sadrian 4016278366Sadrian if (vap->iv_opmode == IEEE80211_M_MONITOR) { 4017278366Sadrian /* Link LED blinks while monitoring. */ 4018278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 5, 5); 4019278366Sadrian return 0; 4020173362Sbenjsc } 4021278366Sadrian 4022278366Sadrian /* XXX kernel panic workaround */ 4023278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) { 4024278366Sadrian device_printf(sc->sc_dev, "%s: incomplete configuration\n", 4025278366Sadrian __func__); 4026195562Srpaulo return EINVAL; 4027173362Sbenjsc } 4028278366Sadrian 4029278366Sadrian if ((error = wpi_set_timing(sc, ni)) != 0) { 4030278366Sadrian device_printf(sc->sc_dev, 4031278366Sadrian "%s: could not set timing, error %d\n", __func__, error); 4032173362Sbenjsc return error; 4033173362Sbenjsc } 4034173362Sbenjsc 4035278366Sadrian /* Update adapter configuration. */ 4036278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4037278366Sadrian sc->rxon.associd = htole16(IEEE80211_NODE_AID(ni)); 4038278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 4039278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4040278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 4041278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4042278366Sadrian /* Short preamble and slot time are negotiated when associating. */ 4043278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_SHPREAMBLE | WPI_RXON_SHSLOT); 4044278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4045278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4046278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4047278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4048278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 4049278366Sadrian sc->rxon.cck_mask = 0; 4050278366Sadrian sc->rxon.ofdm_mask = 0x15; 4051278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 4052278366Sadrian sc->rxon.cck_mask = 0x03; 4053278366Sadrian sc->rxon.ofdm_mask = 0; 4054278366Sadrian } else { 4055278366Sadrian /* Assume 802.11b/g. */ 4056278366Sadrian sc->rxon.cck_mask = 0x0f; 4057278366Sadrian sc->rxon.ofdm_mask = 0x15; 4058173362Sbenjsc } 4059278366Sadrian sc->rxon.filter |= htole32(WPI_FILTER_BSS); 4060173362Sbenjsc 4061278366Sadrian /* XXX put somewhere HC_QOS_SUPPORT_ASSOC + HC_IBSS_START */ 4062278366Sadrian 4063278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x\n", 4064278366Sadrian sc->rxon.chan, sc->rxon.flags); 4065278366Sadrian 4066278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4067278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4068278366Sadrian __func__); 4069173362Sbenjsc return error; 4070173362Sbenjsc } 4071173362Sbenjsc 4072278366Sadrian if (vap->iv_opmode == IEEE80211_M_IBSS) { 4073278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 4074278366Sadrian device_printf(sc->sc_dev, 4075278366Sadrian "%s: could not setup beacon, error %d\n", __func__, 4076278366Sadrian error); 4077278366Sadrian return error; 4078278366Sadrian } 4079173362Sbenjsc } 4080173362Sbenjsc 4081278366Sadrian if (vap->iv_opmode == IEEE80211_M_STA) { 4082278366Sadrian /* Add BSS node. */ 4083280070Sadrian error = wpi_add_sta_node(sc, ni); 4084280070Sadrian if (error != 0) { 4085278366Sadrian device_printf(sc->sc_dev, 4086278366Sadrian "%s: could not add BSS node, error %d\n", __func__, 4087278366Sadrian error); 4088278366Sadrian return error; 4089278366Sadrian } 4090278366Sadrian } 4091173362Sbenjsc 4092278366Sadrian /* Link LED always on while associated. */ 4093278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 4094173362Sbenjsc 4095278366Sadrian /* Start periodic calibration timer. */ 4096278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 4097173362Sbenjsc 4098278366Sadrian /* Enable power-saving mode if requested by user. */ 4099278366Sadrian if (vap->iv_flags & IEEE80211_F_PMGTON) 4100278366Sadrian (void)wpi_set_pslevel(sc, 0, 3, 1); 4101278764Sadrian else 4102278764Sadrian (void)wpi_set_pslevel(sc, 0, 0, 1); 4103173362Sbenjsc 4104278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4105173362Sbenjsc 4106278366Sadrian return 0; 4107173362Sbenjsc} 4108173362Sbenjsc 4109173362Sbenjscstatic int 4110278366Sadrianwpi_key_alloc(struct ieee80211vap *vap, struct ieee80211_key *k, 4111278366Sadrian ieee80211_keyix *keyix, ieee80211_keyix *rxkeyix) 4112173362Sbenjsc{ 4113280057Sadrian struct wpi_softc *sc = vap->iv_ic->ic_ifp->if_softc; 4114173362Sbenjsc 4115278366Sadrian if (!(&vap->iv_nw_keys[0] <= k && 4116278366Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID])) { 4117278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) { 4118278366Sadrian /* should not happen */ 4119278366Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: bogus group key\n", 4120278366Sadrian __func__); 4121278366Sadrian return 0; 4122278366Sadrian } 4123278366Sadrian *keyix = 0; /* NB: use key index 0 for ucast key */ 4124278366Sadrian } else { 4125278366Sadrian *keyix = *rxkeyix = k - vap->iv_nw_keys; 4126173362Sbenjsc 4127278366Sadrian if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_AES_CCM) 4128278366Sadrian k->wk_flags |= IEEE80211_KEY_SWCRYPT; 4129173362Sbenjsc } 4130278366Sadrian return 1; 4131173362Sbenjsc} 4132173362Sbenjsc 4133173362Sbenjscstatic int 4134278366Sadrianwpi_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k, 4135278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 4136173362Sbenjsc{ 4137278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4138278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4139278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4140278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4141280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4142278366Sadrian struct wpi_node_info node; 4143278366Sadrian uint16_t kflags; 4144278366Sadrian int error; 4145173362Sbenjsc 4146278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4147173362Sbenjsc 4148278366Sadrian switch (cip->ic_cipher) { 4149278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4150278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4151278366Sadrian return 1; 4152173362Sbenjsc 4153278366Sadrian kflags = WPI_KFLAG_CCMP; 4154278366Sadrian break; 4155278366Sadrian default: 4156278366Sadrian /* null_key_set() */ 4157278366Sadrian return 1; 4158278366Sadrian } 4159173362Sbenjsc 4160278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 4161278366Sadrian return 0; 4162173362Sbenjsc 4163278366Sadrian kflags |= WPI_KFLAG_KID(k->wk_keyix); 4164278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4165278366Sadrian kflags |= WPI_KFLAG_MULTICAST; 4166173362Sbenjsc 4167278366Sadrian memset(&node, 0, sizeof node); 4168278366Sadrian node.id = wn->id; 4169278366Sadrian node.control = WPI_NODE_UPDATE; 4170278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4171278366Sadrian node.kflags = htole16(kflags); 4172278366Sadrian memcpy(node.key, k->wk_key, k->wk_keylen); 4173173362Sbenjsc 4174278366Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "set key id=%d for node %d\n", k->wk_keyix, 4175278366Sadrian node.id); 4176173362Sbenjsc 4177278366Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4178278366Sadrian if (error != 0) { 4179278366Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4180278366Sadrian error); 4181278366Sadrian return 0; 4182173362Sbenjsc } 4183173362Sbenjsc 4184278366Sadrian return 1; 4185173362Sbenjsc} 4186173362Sbenjsc 4187278366Sadrianstatic int 4188278366Sadrianwpi_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 4189173362Sbenjsc{ 4190278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4191278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4192278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4193278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4194280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4195278366Sadrian struct wpi_node_info node; 4196173362Sbenjsc 4197278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4198173362Sbenjsc 4199278366Sadrian switch (cip->ic_cipher) { 4200278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4201278366Sadrian break; 4202278366Sadrian default: 4203278366Sadrian /* null_key_delete() */ 4204278366Sadrian return 1; 4205278366Sadrian } 4206173362Sbenjsc 4207278366Sadrian if (vap->iv_state != IEEE80211_S_RUN || 4208278366Sadrian (k->wk_flags & IEEE80211_KEY_GROUP)) 4209278366Sadrian return 1; /* Nothing to do. */ 4210173362Sbenjsc 4211278366Sadrian memset(&node, 0, sizeof node); 4212278366Sadrian node.id = wn->id; 4213278366Sadrian node.control = WPI_NODE_UPDATE; 4214278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4215173362Sbenjsc 4216278366Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "delete keys for node %d\n", node.id); 4217278366Sadrian (void)wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4218173362Sbenjsc 4219278366Sadrian return 1; 4220173362Sbenjsc} 4221173362Sbenjsc 4222278366Sadrian/* 4223278366Sadrian * This function is called after the runtime firmware notifies us of its 4224278366Sadrian * readiness (called in a process context). 4225278366Sadrian */ 4226278366Sadrianstatic int 4227278366Sadrianwpi_post_alive(struct wpi_softc *sc) 4228177043Sthompsa{ 4229278366Sadrian int ntries, error; 4230177043Sthompsa 4231278366Sadrian /* Check (again) that the radio is not disabled. */ 4232278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4233278366Sadrian return error; 4234177043Sthompsa 4235278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4236278366Sadrian 4237278366Sadrian /* NB: Runtime firmware must be up and running. */ 4238278366Sadrian if (!(wpi_prph_read(sc, WPI_APMG_RFKILL) & 1)) { 4239278366Sadrian device_printf(sc->sc_dev, 4240278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4241278366Sadrian wpi_nic_unlock(sc); 4242278366Sadrian return EPERM; /* :-) */ 4243278366Sadrian } 4244278366Sadrian wpi_nic_unlock(sc); 4245278366Sadrian 4246278366Sadrian /* Wait for thermal sensor to calibrate. */ 4247177043Sthompsa for (ntries = 0; ntries < 1000; ntries++) { 4248278366Sadrian if ((sc->temp = (int)WPI_READ(sc, WPI_UCODE_GP2)) != 0) 4249177043Sthompsa break; 4250177043Sthompsa DELAY(10); 4251177043Sthompsa } 4252177043Sthompsa 4253177043Sthompsa if (ntries == 1000) { 4254177043Sthompsa device_printf(sc->sc_dev, 4255278366Sadrian "timeout waiting for thermal sensor calibration\n"); 4256280059Sadrian return ETIMEDOUT; 4257280059Sadrian } 4258177043Sthompsa 4259280059Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d\n", sc->temp); 4260280059Sadrian return 0; 4261278366Sadrian} 4262177043Sthompsa 4263278366Sadrian/* 4264278366Sadrian * The firmware boot code is small and is intended to be copied directly into 4265278366Sadrian * the NIC internal memory (no DMA transfer). 4266278366Sadrian */ 4267278366Sadrianstatic int 4268278366Sadrianwpi_load_bootcode(struct wpi_softc *sc, const uint8_t *ucode, int size) 4269278366Sadrian{ 4270278366Sadrian int error, ntries; 4271177043Sthompsa 4272278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, "Loading microcode size 0x%x\n", size); 4273278366Sadrian 4274278366Sadrian size /= sizeof (uint32_t); 4275278366Sadrian 4276278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4277278366Sadrian return error; 4278278366Sadrian 4279278366Sadrian /* Copy microcode image into NIC memory. */ 4280278366Sadrian wpi_prph_write_region_4(sc, WPI_BSM_SRAM_BASE, 4281278366Sadrian (const uint32_t *)ucode, size); 4282278366Sadrian 4283278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_SRC, 0); 4284278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_DST, WPI_FW_TEXT_BASE); 4285278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_DWCOUNT, size); 4286278366Sadrian 4287278366Sadrian /* Start boot load now. */ 4288278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START); 4289278366Sadrian 4290278366Sadrian /* Wait for transfer to complete. */ 4291278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 4292278366Sadrian uint32_t status = WPI_READ(sc, WPI_FH_TX_STATUS); 4293278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4294278366Sadrian "firmware status=0x%x, val=0x%x, result=0x%x\n", status, 4295278366Sadrian WPI_FH_TX_STATUS_IDLE(6), 4296278366Sadrian status & WPI_FH_TX_STATUS_IDLE(6)); 4297278366Sadrian if (status & WPI_FH_TX_STATUS_IDLE(6)) { 4298278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4299278366Sadrian "Status Match! - ntries = %d\n", ntries); 4300278366Sadrian break; 4301178354Ssam } 4302278366Sadrian DELAY(10); 4303177043Sthompsa } 4304278366Sadrian if (ntries == 1000) { 4305278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4306278366Sadrian __func__); 4307278366Sadrian wpi_nic_unlock(sc); 4308278366Sadrian return ETIMEDOUT; 4309278366Sadrian } 4310177043Sthompsa 4311278366Sadrian /* Enable boot after power up. */ 4312278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START_EN); 4313278366Sadrian 4314278366Sadrian wpi_nic_unlock(sc); 4315278366Sadrian return 0; 4316177043Sthompsa} 4317177043Sthompsa 4318278366Sadrianstatic int 4319278366Sadrianwpi_load_firmware(struct wpi_softc *sc) 4320177043Sthompsa{ 4321278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4322278366Sadrian struct wpi_dma_info *dma = &sc->fw_dma; 4323278366Sadrian int error; 4324173362Sbenjsc 4325278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4326173362Sbenjsc 4327278366Sadrian /* Copy initialization sections into pre-allocated DMA-safe memory. */ 4328278366Sadrian memcpy(dma->vaddr, fw->init.data, fw->init.datasz); 4329278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4330278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->init.text, fw->init.textsz); 4331278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4332173362Sbenjsc 4333278366Sadrian /* Tell adapter where to find initialization sections. */ 4334278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4335278366Sadrian return error; 4336278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4337278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->init.datasz); 4338278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4339278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4340278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, fw->init.textsz); 4341278366Sadrian wpi_nic_unlock(sc); 4342173362Sbenjsc 4343278366Sadrian /* Load firmware boot code. */ 4344278366Sadrian error = wpi_load_bootcode(sc, fw->boot.text, fw->boot.textsz); 4345278366Sadrian if (error != 0) { 4346278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4347278366Sadrian __func__); 4348278366Sadrian return error; 4349278366Sadrian } 4350173362Sbenjsc 4351278366Sadrian /* Now press "execute". */ 4352278366Sadrian WPI_WRITE(sc, WPI_RESET, 0); 4353173362Sbenjsc 4354278366Sadrian /* Wait at most one second for first alive notification. */ 4355280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4356278366Sadrian device_printf(sc->sc_dev, 4357278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4358278366Sadrian __func__, error); 4359278366Sadrian return error; 4360173362Sbenjsc } 4361173362Sbenjsc 4362278366Sadrian /* Copy runtime sections into pre-allocated DMA-safe memory. */ 4363278366Sadrian memcpy(dma->vaddr, fw->main.data, fw->main.datasz); 4364278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4365278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->main.text, fw->main.textsz); 4366278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4367173362Sbenjsc 4368278366Sadrian /* Tell adapter where to find runtime sections. */ 4369278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4370278366Sadrian return error; 4371278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4372278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->main.datasz); 4373278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4374278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4375278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, 4376278366Sadrian WPI_FW_UPDATED | fw->main.textsz); 4377278366Sadrian wpi_nic_unlock(sc); 4378173362Sbenjsc 4379278366Sadrian return 0; 4380278366Sadrian} 4381173362Sbenjsc 4382278366Sadrianstatic int 4383278366Sadrianwpi_read_firmware(struct wpi_softc *sc) 4384278366Sadrian{ 4385278366Sadrian const struct firmware *fp; 4386278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4387278366Sadrian const struct wpi_firmware_hdr *hdr; 4388278366Sadrian int error; 4389173362Sbenjsc 4390278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4391278366Sadrian 4392278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4393278366Sadrian "Attempting Loading Firmware from %s module\n", WPI_FW_NAME); 4394278366Sadrian 4395278366Sadrian WPI_UNLOCK(sc); 4396278366Sadrian fp = firmware_get(WPI_FW_NAME); 4397278366Sadrian WPI_LOCK(sc); 4398278366Sadrian 4399278366Sadrian if (fp == NULL) { 4400278366Sadrian device_printf(sc->sc_dev, 4401278366Sadrian "could not load firmware image '%s'\n", WPI_FW_NAME); 4402278366Sadrian return EINVAL; 4403173362Sbenjsc } 4404173362Sbenjsc 4405278366Sadrian sc->fw_fp = fp; 4406173362Sbenjsc 4407278366Sadrian if (fp->datasize < sizeof (struct wpi_firmware_hdr)) { 4408278366Sadrian device_printf(sc->sc_dev, 4409278366Sadrian "firmware file too short: %zu bytes\n", fp->datasize); 4410278366Sadrian error = EINVAL; 4411278366Sadrian goto fail; 4412173362Sbenjsc } 4413173362Sbenjsc 4414278366Sadrian fw->size = fp->datasize; 4415278366Sadrian fw->data = (const uint8_t *)fp->data; 4416278366Sadrian 4417278366Sadrian /* Extract firmware header information. */ 4418278366Sadrian hdr = (const struct wpi_firmware_hdr *)fw->data; 4419278366Sadrian 4420278366Sadrian /* | RUNTIME FIRMWARE | INIT FIRMWARE | BOOT FW | 4421278366Sadrian |HDR|<--TEXT-->|<--DATA-->|<--TEXT-->|<--DATA-->|<--TEXT-->| */ 4422278366Sadrian 4423278366Sadrian fw->main.textsz = le32toh(hdr->rtextsz); 4424278366Sadrian fw->main.datasz = le32toh(hdr->rdatasz); 4425278366Sadrian fw->init.textsz = le32toh(hdr->itextsz); 4426278366Sadrian fw->init.datasz = le32toh(hdr->idatasz); 4427278366Sadrian fw->boot.textsz = le32toh(hdr->btextsz); 4428278366Sadrian fw->boot.datasz = 0; 4429278366Sadrian 4430278366Sadrian /* Sanity-check firmware header. */ 4431278366Sadrian if (fw->main.textsz > WPI_FW_TEXT_MAXSZ || 4432278366Sadrian fw->main.datasz > WPI_FW_DATA_MAXSZ || 4433278366Sadrian fw->init.textsz > WPI_FW_TEXT_MAXSZ || 4434278366Sadrian fw->init.datasz > WPI_FW_DATA_MAXSZ || 4435278366Sadrian fw->boot.textsz > WPI_FW_BOOT_TEXT_MAXSZ || 4436278366Sadrian (fw->boot.textsz & 3) != 0) { 4437278366Sadrian device_printf(sc->sc_dev, "invalid firmware header\n"); 4438278366Sadrian error = EINVAL; 4439278366Sadrian goto fail; 4440173362Sbenjsc } 4441173362Sbenjsc 4442278366Sadrian /* Check that all firmware sections fit. */ 4443278366Sadrian if (fw->size < sizeof (*hdr) + fw->main.textsz + fw->main.datasz + 4444278366Sadrian fw->init.textsz + fw->init.datasz + fw->boot.textsz) { 4445173362Sbenjsc device_printf(sc->sc_dev, 4446278366Sadrian "firmware file too short: %zu bytes\n", fw->size); 4447278366Sadrian error = EINVAL; 4448278366Sadrian goto fail; 4449173362Sbenjsc } 4450173362Sbenjsc 4451278366Sadrian /* Get pointers to firmware sections. */ 4452278366Sadrian fw->main.text = (const uint8_t *)(hdr + 1); 4453278366Sadrian fw->main.data = fw->main.text + fw->main.textsz; 4454278366Sadrian fw->init.text = fw->main.data + fw->main.datasz; 4455278366Sadrian fw->init.data = fw->init.text + fw->init.textsz; 4456278366Sadrian fw->boot.text = fw->init.data + fw->init.datasz; 4457177043Sthompsa 4458278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4459278366Sadrian "Firmware Version: Major %d, Minor %d, Driver %d, \n" 4460280066Sadrian "runtime (text: %u, data: %u) init (text: %u, data %u) " 4461280066Sadrian "boot (text %u)\n", hdr->major, hdr->minor, le32toh(hdr->driver), 4462278366Sadrian fw->main.textsz, fw->main.datasz, 4463278366Sadrian fw->init.textsz, fw->init.datasz, fw->boot.textsz); 4464278366Sadrian 4465278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.text %p\n", fw->main.text); 4466278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.data %p\n", fw->main.data); 4467278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.text %p\n", fw->init.text); 4468278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.data %p\n", fw->init.data); 4469278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->boot.text %p\n", fw->boot.text); 4470278366Sadrian 4471278366Sadrian return 0; 4472278366Sadrian 4473278366Sadrianfail: wpi_unload_firmware(sc); 4474278366Sadrian return error; 4475173362Sbenjsc} 4476173362Sbenjsc 4477278366Sadrian/** 4478278366Sadrian * Free the referenced firmware image 4479278366Sadrian */ 4480173362Sbenjscstatic void 4481278366Sadrianwpi_unload_firmware(struct wpi_softc *sc) 4482173362Sbenjsc{ 4483278366Sadrian if (sc->fw_fp != NULL) { 4484278366Sadrian firmware_put(sc->fw_fp, FIRMWARE_UNLOAD); 4485278366Sadrian sc->fw_fp = NULL; 4486278366Sadrian } 4487278366Sadrian} 4488173362Sbenjsc 4489278366Sadrianstatic int 4490278366Sadrianwpi_clock_wait(struct wpi_softc *sc) 4491278366Sadrian{ 4492278366Sadrian int ntries; 4493173362Sbenjsc 4494278366Sadrian /* Set "initialization complete" bit. */ 4495278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4496278366Sadrian 4497278366Sadrian /* Wait for clock stabilization. */ 4498278366Sadrian for (ntries = 0; ntries < 2500; ntries++) { 4499278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_MAC_CLOCK_READY) 4500278366Sadrian return 0; 4501278366Sadrian DELAY(100); 4502278366Sadrian } 4503278366Sadrian device_printf(sc->sc_dev, 4504278366Sadrian "%s: timeout waiting for clock stabilization\n", __func__); 4505278366Sadrian 4506278366Sadrian return ETIMEDOUT; 4507173362Sbenjsc} 4508178354Ssam 4509278366Sadrianstatic int 4510278366Sadrianwpi_apm_init(struct wpi_softc *sc) 4511173362Sbenjsc{ 4512278366Sadrian uint32_t reg; 4513278366Sadrian int error; 4514173362Sbenjsc 4515278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4516173362Sbenjsc 4517278366Sadrian /* Disable L0s exit timer (NMI bug workaround). */ 4518278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_DIS_L0S_TIMER); 4519278366Sadrian /* Don't wait for ICH L0s (ICH bug workaround). */ 4520278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_L1A_NO_L0S_RX); 4521173362Sbenjsc 4522278366Sadrian /* Set FH wait threshold to max (HW bug under stress workaround). */ 4523278366Sadrian WPI_SETBITS(sc, WPI_DBG_HPET_MEM, 0xffff0000); 4524173362Sbenjsc 4525278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 4526278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 4527278366Sadrian /* Workaround for HW instability in PCIe L0->L0s->L1 transition. */ 4528278366Sadrian if (reg & 0x02) /* L1 Entry enabled. */ 4529278366Sadrian WPI_SETBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4530278366Sadrian else 4531278366Sadrian WPI_CLRBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4532173362Sbenjsc 4533278366Sadrian WPI_SETBITS(sc, WPI_ANA_PLL, WPI_ANA_PLL_INIT); 4534173362Sbenjsc 4535278366Sadrian /* Wait for clock stabilization before accessing prph. */ 4536278366Sadrian if ((error = wpi_clock_wait(sc)) != 0) 4537278366Sadrian return error; 4538173362Sbenjsc 4539278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4540278366Sadrian return error; 4541278366Sadrian /* Enable DMA and BSM (Bootstrap State Machine). */ 4542278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_EN, 4543278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT | WPI_APMG_CLK_CTRL_BSM_CLK_RQT); 4544278366Sadrian DELAY(20); 4545278366Sadrian /* Disable L1-Active. */ 4546278366Sadrian wpi_prph_setbits(sc, WPI_APMG_PCI_STT, WPI_APMG_PCI_STT_L1A_DIS); 4547278764Sadrian /* ??? */ 4548278764Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, 0x00000E00); 4549278366Sadrian wpi_nic_unlock(sc); 4550173362Sbenjsc 4551278366Sadrian return 0; 4552278366Sadrian} 4553173362Sbenjsc 4554278366Sadrianstatic void 4555278366Sadrianwpi_apm_stop_master(struct wpi_softc *sc) 4556278366Sadrian{ 4557278366Sadrian int ntries; 4558278366Sadrian 4559278366Sadrian /* Stop busmaster DMA activity. */ 4560278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_STOP_MASTER); 4561278366Sadrian 4562278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_PS_MASK) == 4563278366Sadrian WPI_GP_CNTRL_MAC_PS) 4564278366Sadrian return; /* Already asleep. */ 4565278366Sadrian 4566278366Sadrian for (ntries = 0; ntries < 100; ntries++) { 4567278366Sadrian if (WPI_READ(sc, WPI_RESET) & WPI_RESET_MASTER_DISABLED) 4568278366Sadrian return; 4569278366Sadrian DELAY(10); 4570278366Sadrian } 4571280066Sadrian device_printf(sc->sc_dev, "%s: timeout waiting for master\n", 4572280066Sadrian __func__); 4573173362Sbenjsc} 4574173362Sbenjsc 4575173362Sbenjscstatic void 4576278366Sadrianwpi_apm_stop(struct wpi_softc *sc) 4577173362Sbenjsc{ 4578278366Sadrian wpi_apm_stop_master(sc); 4579278366Sadrian 4580278366Sadrian /* Reset the entire device. */ 4581278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_SW); 4582278366Sadrian DELAY(10); 4583278366Sadrian /* Clear "initialization complete" bit. */ 4584278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4585173362Sbenjsc} 4586173362Sbenjsc 4587173362Sbenjscstatic void 4588278366Sadrianwpi_nic_config(struct wpi_softc *sc) 4589173362Sbenjsc{ 4590278366Sadrian uint32_t rev; 4591173362Sbenjsc 4592278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4593177043Sthompsa 4594278366Sadrian /* voodoo from the Linux "driver".. */ 4595278366Sadrian rev = pci_read_config(sc->sc_dev, PCIR_REVID, 1); 4596278366Sadrian if ((rev & 0xc0) == 0x40) 4597278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MB); 4598278366Sadrian else if (!(rev & 0x80)) 4599278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MM); 4600173362Sbenjsc 4601278366Sadrian if (sc->cap == 0x80) 4602278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_SKU_MRC); 4603173362Sbenjsc 4604278366Sadrian if ((le16toh(sc->rev) & 0xf0) == 0xd0) 4605278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4606278366Sadrian else 4607278366Sadrian WPI_CLRBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4608278366Sadrian 4609278366Sadrian if (sc->type > 1) 4610278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_TYPE_B); 4611173362Sbenjsc} 4612173362Sbenjsc 4613278366Sadrianstatic int 4614278366Sadrianwpi_hw_init(struct wpi_softc *sc) 4615173362Sbenjsc{ 4616278366Sadrian int chnl, ntries, error; 4617178354Ssam 4618278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4619278366Sadrian 4620278366Sadrian /* Clear pending interrupts. */ 4621278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4622278366Sadrian 4623278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 4624278366Sadrian device_printf(sc->sc_dev, 4625278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 4626278366Sadrian error); 4627278366Sadrian return error; 4628173362Sbenjsc } 4629173362Sbenjsc 4630278366Sadrian /* Select VMAIN power source. */ 4631278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4632278366Sadrian return error; 4633278366Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, WPI_APMG_PS_PWR_SRC_MASK); 4634278366Sadrian wpi_nic_unlock(sc); 4635278366Sadrian /* Spin until VMAIN gets selected. */ 4636278366Sadrian for (ntries = 0; ntries < 5000; ntries++) { 4637278366Sadrian if (WPI_READ(sc, WPI_GPIO_IN) & WPI_GPIO_IN_VMAIN) 4638278366Sadrian break; 4639278366Sadrian DELAY(10); 4640278366Sadrian } 4641278366Sadrian if (ntries == 5000) { 4642278366Sadrian device_printf(sc->sc_dev, "timeout selecting power source\n"); 4643278366Sadrian return ETIMEDOUT; 4644278366Sadrian } 4645173362Sbenjsc 4646278366Sadrian /* Perform adapter initialization. */ 4647278366Sadrian wpi_nic_config(sc); 4648173362Sbenjsc 4649278366Sadrian /* Initialize RX ring. */ 4650278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4651278366Sadrian return error; 4652278366Sadrian /* Set physical address of RX ring. */ 4653278366Sadrian WPI_WRITE(sc, WPI_FH_RX_BASE, sc->rxq.desc_dma.paddr); 4654278366Sadrian /* Set physical address of RX read pointer. */ 4655278366Sadrian WPI_WRITE(sc, WPI_FH_RX_RPTR_ADDR, sc->shared_dma.paddr + 4656278366Sadrian offsetof(struct wpi_shared, next)); 4657278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, 0); 4658278366Sadrian /* Enable RX. */ 4659278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 4660278366Sadrian WPI_FH_RX_CONFIG_DMA_ENA | 4661278366Sadrian WPI_FH_RX_CONFIG_RDRBD_ENA | 4662278366Sadrian WPI_FH_RX_CONFIG_WRSTATUS_ENA | 4663278366Sadrian WPI_FH_RX_CONFIG_MAXFRAG | 4664278366Sadrian WPI_FH_RX_CONFIG_NRBD(WPI_RX_RING_COUNT_LOG) | 4665278366Sadrian WPI_FH_RX_CONFIG_IRQ_DST_HOST | 4666278366Sadrian WPI_FH_RX_CONFIG_IRQ_TIMEOUT(1)); 4667278366Sadrian (void)WPI_READ(sc, WPI_FH_RSSR_TBL); /* barrier */ 4668278366Sadrian wpi_nic_unlock(sc); 4669278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, (WPI_RX_RING_COUNT - 1) & ~7); 4670173362Sbenjsc 4671278366Sadrian /* Initialize TX rings. */ 4672278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4673278366Sadrian return error; 4674278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 2); /* bypass mode */ 4675278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_ARASTAT, 1); /* enable RA0 */ 4676278366Sadrian /* Enable all 6 TX rings. */ 4677278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0x3f); 4678278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE1, 0x10000); 4679278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE2, 0x30002); 4680278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF4MF, 4); 4681278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF5MF, 5); 4682278366Sadrian /* Set physical address of TX rings. */ 4683278366Sadrian WPI_WRITE(sc, WPI_FH_TX_BASE, sc->shared_dma.paddr); 4684278366Sadrian WPI_WRITE(sc, WPI_FH_MSG_CONFIG, 0xffff05a5); 4685278366Sadrian 4686278366Sadrian /* Enable all DMA channels. */ 4687278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 4688278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_CTRL(chnl), 0); 4689278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_BASE(chnl), 0); 4690278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0x80200008); 4691173362Sbenjsc } 4692278366Sadrian wpi_nic_unlock(sc); 4693278366Sadrian (void)WPI_READ(sc, WPI_FH_TX_BASE); /* barrier */ 4694278366Sadrian 4695278366Sadrian /* Clear "radio off" and "commands blocked" bits. */ 4696278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4697278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_CMD_BLOCKED); 4698278366Sadrian 4699278366Sadrian /* Clear pending interrupts. */ 4700278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4701278366Sadrian /* Enable interrupts. */ 4702278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 4703278366Sadrian 4704278366Sadrian /* _Really_ make sure "radio off" bit is cleared! */ 4705278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4706278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4707278366Sadrian 4708278366Sadrian if ((error = wpi_load_firmware(sc)) != 0) { 4709278366Sadrian device_printf(sc->sc_dev, 4710278366Sadrian "%s: could not load firmware, error %d\n", __func__, 4711278366Sadrian error); 4712278366Sadrian return error; 4713278366Sadrian } 4714278366Sadrian /* Wait at most one second for firmware alive notification. */ 4715280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4716278366Sadrian device_printf(sc->sc_dev, 4717278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4718278366Sadrian __func__, error); 4719278366Sadrian return error; 4720278366Sadrian } 4721278366Sadrian 4722278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4723278366Sadrian 4724278366Sadrian /* Do post-firmware initialization. */ 4725278366Sadrian return wpi_post_alive(sc); 4726173362Sbenjsc} 4727173362Sbenjsc 4728173362Sbenjscstatic void 4729278366Sadrianwpi_hw_stop(struct wpi_softc *sc) 4730173362Sbenjsc{ 4731278366Sadrian int chnl, qid, ntries; 4732173362Sbenjsc 4733278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4734173362Sbenjsc 4735278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) 4736278366Sadrian wpi_nic_lock(sc); 4737173362Sbenjsc 4738278366Sadrian WPI_WRITE(sc, WPI_RESET, WPI_RESET_NEVO); 4739173362Sbenjsc 4740278366Sadrian /* Disable interrupts. */ 4741278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 4742278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4743278366Sadrian WPI_WRITE(sc, WPI_FH_INT, 0xffffffff); 4744173362Sbenjsc 4745278366Sadrian /* Make sure we no longer hold the NIC lock. */ 4746278366Sadrian wpi_nic_unlock(sc); 4747173362Sbenjsc 4748278366Sadrian if (wpi_nic_lock(sc) == 0) { 4749278366Sadrian /* Stop TX scheduler. */ 4750278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 0); 4751278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0); 4752179957Sthompsa 4753278366Sadrian /* Stop all DMA channels. */ 4754278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 4755278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0); 4756278366Sadrian for (ntries = 0; ntries < 200; ntries++) { 4757278366Sadrian if (WPI_READ(sc, WPI_FH_TX_STATUS) & 4758278366Sadrian WPI_FH_TX_STATUS_IDLE(chnl)) 4759278366Sadrian break; 4760278366Sadrian DELAY(10); 4761278366Sadrian } 4762173362Sbenjsc } 4763278366Sadrian wpi_nic_unlock(sc); 4764278366Sadrian } 4765173362Sbenjsc 4766278366Sadrian /* Stop RX ring. */ 4767278366Sadrian wpi_reset_rx_ring(sc); 4768173362Sbenjsc 4769278366Sadrian /* Reset all TX rings. */ 4770278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 4771278366Sadrian wpi_reset_tx_ring(sc, &sc->txq[qid]); 4772173362Sbenjsc 4773278366Sadrian if (wpi_nic_lock(sc) == 0) { 4774278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 4775278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT); 4776278366Sadrian wpi_nic_unlock(sc); 4777173362Sbenjsc } 4778278366Sadrian DELAY(5); 4779278366Sadrian /* Power OFF adapter. */ 4780278366Sadrian wpi_apm_stop(sc); 4781173362Sbenjsc} 4782173362Sbenjsc 4783173362Sbenjscstatic void 4784278366Sadrianwpi_radio_on(void *arg0, int pending) 4785173362Sbenjsc{ 4786278366Sadrian struct wpi_softc *sc = arg0; 4787278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4788278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 4789278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4790173362Sbenjsc 4791278366Sadrian device_printf(sc->sc_dev, "RF switch: radio enabled\n"); 4792173362Sbenjsc 4793278366Sadrian if (vap != NULL) { 4794278366Sadrian wpi_init(sc); 4795278366Sadrian ieee80211_init(vap); 4796278366Sadrian } 4797173362Sbenjsc 4798278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL) { 4799278366Sadrian WPI_LOCK(sc); 4800278366Sadrian callout_stop(&sc->watchdog_rfkill); 4801278366Sadrian WPI_UNLOCK(sc); 4802173362Sbenjsc } 4803173362Sbenjsc} 4804173362Sbenjsc 4805278366Sadrianstatic void 4806278366Sadrianwpi_radio_off(void *arg0, int pending) 4807173362Sbenjsc{ 4808278366Sadrian struct wpi_softc *sc = arg0; 4809178354Ssam struct ifnet *ifp = sc->sc_ifp; 4810178354Ssam struct ieee80211com *ic = ifp->if_l2com; 4811278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4812173362Sbenjsc 4813278366Sadrian device_printf(sc->sc_dev, "RF switch: radio disabled\n"); 4814173362Sbenjsc 4815278366Sadrian wpi_stop(sc); 4816278366Sadrian if (vap != NULL) 4817278366Sadrian ieee80211_stop(vap); 4818173362Sbenjsc 4819280053Sadrian WPI_LOCK(sc); 4820278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, sc); 4821280053Sadrian WPI_UNLOCK(sc); 4822278366Sadrian} 4823173362Sbenjsc 4824278366Sadrianstatic void 4825278366Sadrianwpi_init_locked(struct wpi_softc *sc) 4826278366Sadrian{ 4827278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4828278366Sadrian int error; 4829173362Sbenjsc 4830278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4831173362Sbenjsc 4832278366Sadrian WPI_LOCK_ASSERT(sc); 4833278366Sadrian 4834278366Sadrian /* Check that the radio is not disabled by hardware switch. */ 4835278366Sadrian if (!(WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL)) { 4836278366Sadrian device_printf(sc->sc_dev, 4837278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4838278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 4839278366Sadrian sc); 4840278366Sadrian return; 4841173362Sbenjsc } 4842173362Sbenjsc 4843278366Sadrian /* Read firmware images from the filesystem. */ 4844278366Sadrian if ((error = wpi_read_firmware(sc)) != 0) { 4845278366Sadrian device_printf(sc->sc_dev, 4846278366Sadrian "%s: could not read firmware, error %d\n", __func__, 4847278366Sadrian error); 4848278366Sadrian goto fail; 4849278366Sadrian } 4850173362Sbenjsc 4851278366Sadrian /* Initialize hardware and upload firmware. */ 4852278366Sadrian error = wpi_hw_init(sc); 4853278366Sadrian wpi_unload_firmware(sc); 4854278366Sadrian if (error != 0) { 4855278366Sadrian device_printf(sc->sc_dev, 4856278366Sadrian "%s: could not initialize hardware, error %d\n", __func__, 4857278366Sadrian error); 4858278366Sadrian goto fail; 4859278366Sadrian } 4860173362Sbenjsc 4861278366Sadrian /* Configure adapter now that it is ready. */ 4862280071Sadrian sc->txq_active = 1; 4863278366Sadrian if ((error = wpi_config(sc)) != 0) { 4864278366Sadrian device_printf(sc->sc_dev, 4865278366Sadrian "%s: could not configure device, error %d\n", __func__, 4866278366Sadrian error); 4867278366Sadrian goto fail; 4868278366Sadrian } 4869173362Sbenjsc 4870278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 4871278366Sadrian ifp->if_drv_flags |= IFF_DRV_RUNNING; 4872173362Sbenjsc 4873278366Sadrian callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 4874173362Sbenjsc 4875278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4876173362Sbenjsc 4877278366Sadrian return; 4878173362Sbenjsc 4879278366Sadrianfail: wpi_stop_locked(sc); 4880278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 4881278366Sadrian} 4882173362Sbenjsc 4883278366Sadrianstatic void 4884278366Sadrianwpi_init(void *arg) 4885278366Sadrian{ 4886278366Sadrian struct wpi_softc *sc = arg; 4887278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4888278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 4889173362Sbenjsc 4890278366Sadrian WPI_LOCK(sc); 4891278366Sadrian wpi_init_locked(sc); 4892278366Sadrian WPI_UNLOCK(sc); 4893173362Sbenjsc 4894278366Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 4895278366Sadrian ieee80211_start_all(ic); 4896278366Sadrian} 4897173362Sbenjsc 4898278366Sadrianstatic void 4899278366Sadrianwpi_stop_locked(struct wpi_softc *sc) 4900278366Sadrian{ 4901278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4902173362Sbenjsc 4903278366Sadrian WPI_LOCK_ASSERT(sc); 4904278366Sadrian 4905280071Sadrian WPI_TXQ_LOCK(sc); 4906280071Sadrian sc->txq_active = 0; 4907280071Sadrian WPI_TXQ_UNLOCK(sc); 4908280071Sadrian 4909278366Sadrian sc->sc_scan_timer = 0; 4910278366Sadrian sc->sc_tx_timer = 0; 4911278366Sadrian callout_stop(&sc->watchdog_to); 4912278366Sadrian callout_stop(&sc->calib_to); 4913278366Sadrian ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 4914278366Sadrian 4915278366Sadrian /* Power OFF hardware. */ 4916278366Sadrian wpi_hw_stop(sc); 4917173362Sbenjsc} 4918173362Sbenjsc 4919278366Sadrianstatic void 4920278366Sadrianwpi_stop(struct wpi_softc *sc) 4921278366Sadrian{ 4922278366Sadrian WPI_LOCK(sc); 4923278366Sadrian wpi_stop_locked(sc); 4924278366Sadrian WPI_UNLOCK(sc); 4925278366Sadrian} 4926278366Sadrian 4927278366Sadrian/* 4928278366Sadrian * Callback from net80211 to start a scan. 4929173362Sbenjsc */ 4930173362Sbenjscstatic void 4931173362Sbenjscwpi_scan_start(struct ieee80211com *ic) 4932173362Sbenjsc{ 4933280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4934173362Sbenjsc 4935191746Sthompsa WPI_LOCK(sc); 4936191746Sthompsa wpi_set_led(sc, WPI_LED_LINK, 20, 2); 4937191746Sthompsa WPI_UNLOCK(sc); 4938173362Sbenjsc} 4939173362Sbenjsc 4940278366Sadrian/* 4941278366Sadrian * Callback from net80211 to terminate a scan. 4942173362Sbenjsc */ 4943173362Sbenjscstatic void 4944173362Sbenjscwpi_scan_end(struct ieee80211com *ic) 4945173362Sbenjsc{ 4946278366Sadrian struct ifnet *ifp = ic->ic_ifp; 4947278366Sadrian struct wpi_softc *sc = ifp->if_softc; 4948278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4949278366Sadrian 4950278366Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 4951278366Sadrian WPI_LOCK(sc); 4952278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 4953278366Sadrian WPI_UNLOCK(sc); 4954278366Sadrian } 4955173362Sbenjsc} 4956173362Sbenjsc 4957173362Sbenjsc/** 4958173362Sbenjsc * Called by the net80211 framework to indicate to the driver 4959173362Sbenjsc * that the channel should be changed 4960173362Sbenjsc */ 4961173362Sbenjscstatic void 4962173362Sbenjscwpi_set_channel(struct ieee80211com *ic) 4963173362Sbenjsc{ 4964278366Sadrian const struct ieee80211_channel *c = ic->ic_curchan; 4965173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 4966173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 4967191746Sthompsa int error; 4968173362Sbenjsc 4969278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4970278366Sadrian 4971278366Sadrian WPI_LOCK(sc); 4972278366Sadrian sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq); 4973278366Sadrian sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags); 4974278366Sadrian sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq); 4975278366Sadrian sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags); 4976278366Sadrian 4977177043Sthompsa /* 4978177043Sthompsa * Only need to set the channel in Monitor mode. AP scanning and auth 4979177043Sthompsa * are already taken care of by their respective firmware commands. 4980177043Sthompsa */ 4981191746Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 4982278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 4983278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) { 4984278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | 4985278366Sadrian WPI_RXON_24GHZ); 4986278366Sadrian } else { 4987278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_AUTO | 4988278366Sadrian WPI_RXON_24GHZ); 4989278366Sadrian } 4990278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) 4991191746Sthompsa device_printf(sc->sc_dev, 4992278366Sadrian "%s: error %d settting channel\n", __func__, 4993278366Sadrian error); 4994191746Sthompsa } 4995278366Sadrian WPI_UNLOCK(sc); 4996173362Sbenjsc} 4997173362Sbenjsc 4998173362Sbenjsc/** 4999173362Sbenjsc * Called by net80211 to indicate that we need to scan the current 5000173362Sbenjsc * channel. The channel is previously be set via the wpi_set_channel 5001173362Sbenjsc * callback. 5002173362Sbenjsc */ 5003173362Sbenjscstatic void 5004178354Ssamwpi_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 5005173362Sbenjsc{ 5006178354Ssam struct ieee80211vap *vap = ss->ss_vap; 5007278366Sadrian struct ieee80211com *ic = vap->iv_ic; 5008280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 5009278366Sadrian int error; 5010173362Sbenjsc 5011278366Sadrian if (sc->rxon.chan != ieee80211_chan2ieee(ic, ic->ic_curchan)) { 5012278366Sadrian WPI_LOCK(sc); 5013278366Sadrian error = wpi_scan(sc, ic->ic_curchan); 5014278366Sadrian WPI_UNLOCK(sc); 5015278366Sadrian if (error != 0) 5016278366Sadrian ieee80211_cancel_scan(vap); 5017278366Sadrian } else { 5018278366Sadrian /* Send probe request when associated. */ 5019278366Sadrian sc->sc_scan_curchan(ss, maxdwell); 5020278366Sadrian } 5021173362Sbenjsc} 5022173362Sbenjsc 5023173362Sbenjsc/** 5024173362Sbenjsc * Called by the net80211 framework to indicate 5025173362Sbenjsc * the minimum dwell time has been met, terminate the scan. 5026173362Sbenjsc * We don't actually terminate the scan as the firmware will notify 5027173362Sbenjsc * us when it's finished and we have no way to interrupt it. 5028173362Sbenjsc */ 5029173362Sbenjscstatic void 5030178354Ssamwpi_scan_mindwell(struct ieee80211_scan_state *ss) 5031173362Sbenjsc{ 5032173362Sbenjsc /* NB: don't try to abort scan; wait for firmware to finish */ 5033173362Sbenjsc} 5034173362Sbenjsc 5035173362Sbenjscstatic void 5036278366Sadrianwpi_hw_reset(void *arg, int pending) 5037173362Sbenjsc{ 5038191746Sthompsa struct wpi_softc *sc = arg; 5039177043Sthompsa struct ifnet *ifp = sc->sc_ifp; 5040191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 5041278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5042173362Sbenjsc 5043278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5044173362Sbenjsc 5045278366Sadrian wpi_stop(sc); 5046278366Sadrian if (vap != NULL) 5047278366Sadrian ieee80211_stop(vap); 5048278366Sadrian wpi_init(sc); 5049278366Sadrian if (vap != NULL) 5050278366Sadrian ieee80211_init(vap); 5051173362Sbenjsc} 5052