if_wpi.c revision 280077
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 280077 2015-03-15 20:44:52Z 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); 387280077Sadrian WPI_NT_LOCK_INIT(sc); 388280071Sadrian WPI_TXQ_LOCK_INIT(sc); 389278366Sadrian 390278366Sadrian /* Allocate DMA memory for firmware transfers. */ 391173362Sbenjsc if ((error = wpi_alloc_fwmem(sc)) != 0) { 392278366Sadrian device_printf(dev, 393278366Sadrian "could not allocate memory for firmware, error %d\n", 394278366Sadrian error); 395173362Sbenjsc goto fail; 396173362Sbenjsc } 397173362Sbenjsc 398278366Sadrian /* Allocate shared page. */ 399173362Sbenjsc if ((error = wpi_alloc_shared(sc)) != 0) { 400173362Sbenjsc device_printf(dev, "could not allocate shared page\n"); 401173362Sbenjsc goto fail; 402173362Sbenjsc } 403173362Sbenjsc 404278366Sadrian /* Allocate TX rings - 4 for QoS purposes, 1 for commands. */ 405278366Sadrian for (i = 0; i < WPI_NTXQUEUES; i++) { 406278366Sadrian if ((error = wpi_alloc_tx_ring(sc, &sc->txq[i], i)) != 0) { 407278366Sadrian device_printf(dev, 408278366Sadrian "could not allocate TX ring %d, error %d\n", i, 409278366Sadrian error); 410278366Sadrian goto fail; 411173362Sbenjsc } 412173362Sbenjsc } 413173362Sbenjsc 414278366Sadrian /* Allocate RX ring. */ 415278366Sadrian if ((error = wpi_alloc_rx_ring(sc)) != 0) { 416278366Sadrian device_printf(dev, "could not allocate RX ring, error %d\n", 417278366Sadrian error); 418173362Sbenjsc goto fail; 419173362Sbenjsc } 420173362Sbenjsc 421278366Sadrian /* Clear pending interrupts. */ 422278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 423173362Sbenjsc 424178354Ssam ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 425173362Sbenjsc if (ifp == NULL) { 426278366Sadrian device_printf(dev, "can not allocate ifnet structure\n"); 427173362Sbenjsc goto fail; 428173362Sbenjsc } 429278366Sadrian 430178354Ssam ic = ifp->if_l2com; 431173362Sbenjsc ic->ic_ifp = ifp; 432178354Ssam ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 433178354Ssam ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 434173362Sbenjsc 435278366Sadrian /* Set device capabilities. */ 436173362Sbenjsc ic->ic_caps = 437178957Ssam IEEE80211_C_STA /* station mode supported */ 438278366Sadrian | IEEE80211_C_IBSS /* IBSS mode supported */ 439178957Ssam | IEEE80211_C_MONITOR /* monitor mode supported */ 440278366Sadrian | IEEE80211_C_AHDEMO /* adhoc demo mode */ 441278366Sadrian | IEEE80211_C_BGSCAN /* capable of bg scanning */ 442173362Sbenjsc | IEEE80211_C_TXPMGT /* tx power management */ 443173362Sbenjsc | IEEE80211_C_SHSLOT /* short slot time supported */ 444278366Sadrian | IEEE80211_C_WPA /* 802.11i */ 445173362Sbenjsc | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 446173362Sbenjsc#if 0 447173362Sbenjsc | IEEE80211_C_HOSTAP /* Host access point mode */ 448173362Sbenjsc#endif 449278366Sadrian | IEEE80211_C_WME /* 802.11e */ 450278366Sadrian | IEEE80211_C_PMGT /* Station-side power mgmt */ 451173362Sbenjsc ; 452173362Sbenjsc 453278366Sadrian ic->ic_cryptocaps = 454278366Sadrian IEEE80211_CRYPTO_AES_CCM; 455278366Sadrian 456173362Sbenjsc /* 457173362Sbenjsc * Read in the eeprom and also setup the channels for 458173362Sbenjsc * net80211. We don't set the rates as net80211 does this for us 459173362Sbenjsc */ 460278366Sadrian if ((error = wpi_read_eeprom(sc, macaddr)) != 0) { 461278366Sadrian device_printf(dev, "could not read EEPROM, error %d\n", 462278366Sadrian error); 463278366Sadrian goto fail; 464280059Sadrian } 465173362Sbenjsc 466280059Sadrian#ifdef WPI_DEBUG 467278366Sadrian if (bootverbose) { 468280059Sadrian device_printf(sc->sc_dev, "Regulatory Domain: %.4s\n", 469280059Sadrian sc->domain); 470280059Sadrian device_printf(sc->sc_dev, "Hardware Type: %c\n", 471280059Sadrian sc->type > 1 ? 'B': '?'); 472280059Sadrian device_printf(sc->sc_dev, "Hardware Revision: %c\n", 473280076Sadrian ((sc->rev & 0xf0) == 0xd0) ? 'D': '?'); 474280059Sadrian device_printf(sc->sc_dev, "SKU %s support 802.11a\n", 475280059Sadrian supportsa ? "does" : "does not"); 476173362Sbenjsc 477280059Sadrian /* XXX hw_config uses the PCIDEV for the Hardware rev. Must 478280059Sadrian check what sc->rev really represents - benjsc 20070615 */ 479173362Sbenjsc } 480278366Sadrian#endif 481173362Sbenjsc 482173362Sbenjsc if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 483173362Sbenjsc ifp->if_softc = sc; 484173362Sbenjsc ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 485173362Sbenjsc ifp->if_init = wpi_init; 486173362Sbenjsc ifp->if_ioctl = wpi_ioctl; 487173362Sbenjsc ifp->if_start = wpi_start; 488207554Ssobomax IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 489207554Ssobomax ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 490173362Sbenjsc IFQ_SET_READY(&ifp->if_snd); 491178354Ssam 492190526Ssam ieee80211_ifattach(ic, macaddr); 493278366Sadrian ic->ic_vap_create = wpi_vap_create; 494278366Sadrian ic->ic_vap_delete = wpi_vap_delete; 495178354Ssam ic->ic_raw_xmit = wpi_raw_xmit; 496278366Sadrian ic->ic_node_alloc = wpi_node_alloc; 497278366Sadrian sc->sc_node_free = ic->ic_node_free; 498278366Sadrian ic->ic_node_free = wpi_node_free; 499278366Sadrian ic->ic_wme.wme_update = wpi_updateedca; 500278366Sadrian ic->ic_update_promisc = wpi_update_promisc; 501278366Sadrian ic->ic_update_mcast = wpi_update_mcast; 502173362Sbenjsc ic->ic_scan_start = wpi_scan_start; 503173362Sbenjsc ic->ic_scan_end = wpi_scan_end; 504173362Sbenjsc ic->ic_set_channel = wpi_set_channel; 505278366Sadrian sc->sc_scan_curchan = ic->ic_scan_curchan; 506173362Sbenjsc ic->ic_scan_curchan = wpi_scan_curchan; 507173362Sbenjsc ic->ic_scan_mindwell = wpi_scan_mindwell; 508278366Sadrian ic->ic_setregdomain = wpi_setregdomain; 509173362Sbenjsc 510278366Sadrian wpi_radiotap_attach(sc); 511173362Sbenjsc 512278366Sadrian callout_init_mtx(&sc->calib_to, &sc->sc_mtx, 0); 513278366Sadrian callout_init_mtx(&sc->watchdog_to, &sc->sc_mtx, 0); 514278366Sadrian callout_init_mtx(&sc->watchdog_rfkill, &sc->sc_mtx, 0); 515278366Sadrian TASK_INIT(&sc->sc_reinittask, 0, wpi_hw_reset, sc); 516278366Sadrian TASK_INIT(&sc->sc_radiooff_task, 0, wpi_radio_off, sc); 517278366Sadrian TASK_INIT(&sc->sc_radioon_task, 0, wpi_radio_on, sc); 518173362Sbenjsc 519278366Sadrian wpi_sysctlattach(sc); 520278366Sadrian 521173362Sbenjsc /* 522173362Sbenjsc * Hook our interrupt after all initialization is complete. 523173362Sbenjsc */ 524278366Sadrian error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 525177043Sthompsa NULL, wpi_intr, sc, &sc->sc_ih); 526173362Sbenjsc if (error != 0) { 527278366Sadrian device_printf(dev, "can't establish interrupt, error %d\n", 528278366Sadrian error); 529173362Sbenjsc goto fail; 530173362Sbenjsc } 531173362Sbenjsc 532177043Sthompsa if (bootverbose) 533177043Sthompsa ieee80211_announce(ic); 534278366Sadrian 535278366Sadrian#ifdef WPI_DEBUG 536278366Sadrian if (sc->sc_debug & WPI_DEBUG_HW) 537278366Sadrian ieee80211_announce_channels(ic); 538173362Sbenjsc#endif 539278366Sadrian 540278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 541173362Sbenjsc return 0; 542173362Sbenjsc 543173362Sbenjscfail: wpi_detach(dev); 544278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 545278366Sadrian return error; 546173362Sbenjsc} 547173362Sbenjsc 548278366Sadrian/* 549278366Sadrian * Attach the interface to 802.11 radiotap. 550278366Sadrian */ 551278366Sadrianstatic void 552278366Sadrianwpi_radiotap_attach(struct wpi_softc *sc) 553278366Sadrian{ 554278366Sadrian struct ifnet *ifp = sc->sc_ifp; 555278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 556278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 557278366Sadrian ieee80211_radiotap_attach(ic, 558278366Sadrian &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 559278366Sadrian WPI_TX_RADIOTAP_PRESENT, 560278366Sadrian &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 561278366Sadrian WPI_RX_RADIOTAP_PRESENT); 562278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 563278366Sadrian} 564278366Sadrian 565278366Sadrianstatic void 566278366Sadrianwpi_sysctlattach(struct wpi_softc *sc) 567278366Sadrian{ 568280059Sadrian#ifdef WPI_DEBUG 569278366Sadrian struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 570278366Sadrian struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 571278366Sadrian 572278366Sadrian SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 573278366Sadrian "debug", CTLFLAG_RW, &sc->sc_debug, sc->sc_debug, 574278366Sadrian "control debugging printfs"); 575278366Sadrian#endif 576278366Sadrian} 577278366Sadrian 578278366Sadrianstatic struct ieee80211vap * 579278366Sadrianwpi_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 580278366Sadrian enum ieee80211_opmode opmode, int flags, 581278366Sadrian const uint8_t bssid[IEEE80211_ADDR_LEN], 582278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 583278366Sadrian{ 584278366Sadrian struct wpi_vap *wvp; 585278366Sadrian struct wpi_buf *bcn; 586278366Sadrian struct ieee80211vap *vap; 587278366Sadrian 588278366Sadrian if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 589278366Sadrian return NULL; 590278366Sadrian 591278366Sadrian wvp = (struct wpi_vap *) malloc(sizeof(struct wpi_vap), 592278366Sadrian M_80211_VAP, M_NOWAIT | M_ZERO); 593278366Sadrian if (wvp == NULL) 594278366Sadrian return NULL; 595278366Sadrian vap = &wvp->vap; 596278366Sadrian ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 597278366Sadrian 598278366Sadrian bcn = &wvp->wv_bcbuf; 599278366Sadrian bcn->data = NULL; 600278366Sadrian 601278366Sadrian /* Override with driver methods. */ 602278366Sadrian wvp->newstate = vap->iv_newstate; 603278366Sadrian vap->iv_key_alloc = wpi_key_alloc; 604278366Sadrian vap->iv_key_set = wpi_key_set; 605278366Sadrian vap->iv_key_delete = wpi_key_delete; 606278366Sadrian vap->iv_newstate = wpi_newstate; 607278366Sadrian vap->iv_update_beacon = wpi_update_beacon; 608278366Sadrian 609278366Sadrian ieee80211_ratectl_init(vap); 610278366Sadrian /* Complete setup. */ 611280066Sadrian ieee80211_vap_attach(vap, ieee80211_media_change, 612280066Sadrian ieee80211_media_status); 613278366Sadrian ic->ic_opmode = opmode; 614278366Sadrian return vap; 615278366Sadrian} 616278366Sadrian 617278366Sadrianstatic void 618278366Sadrianwpi_vap_delete(struct ieee80211vap *vap) 619278366Sadrian{ 620278366Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 621278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 622278366Sadrian 623278366Sadrian ieee80211_ratectl_deinit(vap); 624278366Sadrian ieee80211_vap_detach(vap); 625278366Sadrian 626278366Sadrian if (bcn->data != NULL) 627278366Sadrian free(bcn->data, M_DEVBUF); 628278366Sadrian free(wvp, M_80211_VAP); 629278366Sadrian} 630278366Sadrian 631173362Sbenjscstatic int 632173362Sbenjscwpi_detach(device_t dev) 633173362Sbenjsc{ 634173362Sbenjsc struct wpi_softc *sc = device_get_softc(dev); 635178354Ssam struct ifnet *ifp = sc->sc_ifp; 636200530Sgavin struct ieee80211com *ic; 637278366Sadrian int qid; 638173362Sbenjsc 639278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 640260064Smarius 641200530Sgavin if (ifp != NULL) { 642200530Sgavin ic = ifp->if_l2com; 643191746Sthompsa 644278366Sadrian ieee80211_draintask(ic, &sc->sc_reinittask); 645278366Sadrian ieee80211_draintask(ic, &sc->sc_radiooff_task); 646280052Sadrian ieee80211_draintask(ic, &sc->sc_radioon_task); 647278366Sadrian 648173362Sbenjsc wpi_stop(sc); 649278366Sadrian 650173362Sbenjsc callout_drain(&sc->watchdog_to); 651278366Sadrian callout_drain(&sc->watchdog_rfkill); 652173362Sbenjsc callout_drain(&sc->calib_to); 653173362Sbenjsc ieee80211_ifdetach(ic); 654173362Sbenjsc } 655173362Sbenjsc 656278366Sadrian /* Uninstall interrupt handler. */ 657278366Sadrian if (sc->irq != NULL) { 658278366Sadrian bus_teardown_intr(dev, sc->irq, sc->sc_ih); 659278366Sadrian bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), 660278366Sadrian sc->irq); 661278366Sadrian pci_release_msi(dev); 662278366Sadrian } 663278366Sadrian 664173362Sbenjsc if (sc->txq[0].data_dmat) { 665278366Sadrian /* Free DMA resources. */ 666278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 667278366Sadrian wpi_free_tx_ring(sc, &sc->txq[qid]); 668173362Sbenjsc 669278366Sadrian wpi_free_rx_ring(sc); 670173362Sbenjsc wpi_free_shared(sc); 671173362Sbenjsc } 672173362Sbenjsc 673173362Sbenjsc if (sc->fw_dma.tag) 674173362Sbenjsc wpi_free_fwmem(sc); 675278366Sadrian 676173362Sbenjsc if (sc->mem != NULL) 677260064Smarius bus_release_resource(dev, SYS_RES_MEMORY, 678260064Smarius rman_get_rid(sc->mem), sc->mem); 679173362Sbenjsc 680173362Sbenjsc if (ifp != NULL) 681173362Sbenjsc if_free(ifp); 682173362Sbenjsc 683278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 684280071Sadrian WPI_TXQ_LOCK_DESTROY(sc); 685280077Sadrian WPI_NT_LOCK_DESTROY(sc); 686173362Sbenjsc WPI_LOCK_DESTROY(sc); 687278366Sadrian return 0; 688278366Sadrian} 689173362Sbenjsc 690278366Sadrianstatic int 691278366Sadrianwpi_shutdown(device_t dev) 692278366Sadrian{ 693278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 694278366Sadrian 695278366Sadrian wpi_stop(sc); 696173362Sbenjsc return 0; 697173362Sbenjsc} 698173362Sbenjsc 699278366Sadrianstatic int 700278366Sadrianwpi_suspend(device_t dev) 701178354Ssam{ 702278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 703278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 704178354Ssam 705278366Sadrian ieee80211_suspend_all(ic); 706278366Sadrian return 0; 707278366Sadrian} 708178354Ssam 709278366Sadrianstatic int 710278366Sadrianwpi_resume(device_t dev) 711278366Sadrian{ 712278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 713278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 714278366Sadrian 715278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 716278366Sadrian pci_write_config(dev, 0x41, 0, 1); 717278366Sadrian 718278366Sadrian ieee80211_resume_all(ic); 719278366Sadrian return 0; 720178354Ssam} 721178354Ssam 722278366Sadrian/* 723278366Sadrian * Grab exclusive access to NIC memory. 724278366Sadrian */ 725278366Sadrianstatic int 726278366Sadrianwpi_nic_lock(struct wpi_softc *sc) 727178354Ssam{ 728278366Sadrian int ntries; 729178354Ssam 730278366Sadrian /* Request exclusive access to NIC. */ 731278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 732278366Sadrian 733278366Sadrian /* Spin until we actually get the lock. */ 734278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 735278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & 736280059Sadrian (WPI_GP_CNTRL_MAC_ACCESS_ENA | WPI_GP_CNTRL_SLEEP)) == 737278366Sadrian WPI_GP_CNTRL_MAC_ACCESS_ENA) 738278366Sadrian return 0; 739278366Sadrian DELAY(10); 740278366Sadrian } 741278366Sadrian 742278366Sadrian device_printf(sc->sc_dev, "could not lock memory\n"); 743278366Sadrian 744278366Sadrian return ETIMEDOUT; 745178354Ssam} 746178354Ssam 747278366Sadrian/* 748278366Sadrian * Release lock on NIC memory. 749278366Sadrian */ 750278366Sadrianstatic __inline void 751278366Sadrianwpi_nic_unlock(struct wpi_softc *sc) 752278366Sadrian{ 753278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 754278366Sadrian} 755278366Sadrian 756278366Sadrianstatic __inline uint32_t 757278366Sadrianwpi_prph_read(struct wpi_softc *sc, uint32_t addr) 758278366Sadrian{ 759278366Sadrian WPI_WRITE(sc, WPI_PRPH_RADDR, WPI_PRPH_DWORD | addr); 760278366Sadrian WPI_BARRIER_READ_WRITE(sc); 761278366Sadrian return WPI_READ(sc, WPI_PRPH_RDATA); 762278366Sadrian} 763278366Sadrian 764278366Sadrianstatic __inline void 765278366Sadrianwpi_prph_write(struct wpi_softc *sc, uint32_t addr, uint32_t data) 766278366Sadrian{ 767278366Sadrian WPI_WRITE(sc, WPI_PRPH_WADDR, WPI_PRPH_DWORD | addr); 768278366Sadrian WPI_BARRIER_WRITE(sc); 769278366Sadrian WPI_WRITE(sc, WPI_PRPH_WDATA, data); 770278366Sadrian} 771278366Sadrian 772278366Sadrianstatic __inline void 773278366Sadrianwpi_prph_setbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 774278366Sadrian{ 775278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) | mask); 776278366Sadrian} 777278366Sadrian 778278366Sadrianstatic __inline void 779278366Sadrianwpi_prph_clrbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 780278366Sadrian{ 781278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) & ~mask); 782278366Sadrian} 783278366Sadrian 784278366Sadrianstatic __inline void 785278366Sadrianwpi_prph_write_region_4(struct wpi_softc *sc, uint32_t addr, 786278366Sadrian const uint32_t *data, int count) 787278366Sadrian{ 788278366Sadrian for (; count > 0; count--, data++, addr += 4) 789278366Sadrian wpi_prph_write(sc, addr, *data); 790278366Sadrian} 791278366Sadrian 792278366Sadrianstatic __inline uint32_t 793278366Sadrianwpi_mem_read(struct wpi_softc *sc, uint32_t addr) 794278366Sadrian{ 795278366Sadrian WPI_WRITE(sc, WPI_MEM_RADDR, addr); 796278366Sadrian WPI_BARRIER_READ_WRITE(sc); 797278366Sadrian return WPI_READ(sc, WPI_MEM_RDATA); 798278366Sadrian} 799278366Sadrian 800278366Sadrianstatic __inline void 801278366Sadrianwpi_mem_read_region_4(struct wpi_softc *sc, uint32_t addr, uint32_t *data, 802278366Sadrian int count) 803278366Sadrian{ 804278366Sadrian for (; count > 0; count--, addr += 4) 805278366Sadrian *data++ = wpi_mem_read(sc, addr); 806278366Sadrian} 807278366Sadrian 808278366Sadrianstatic int 809278366Sadrianwpi_read_prom_data(struct wpi_softc *sc, uint32_t addr, void *data, int count) 810278366Sadrian{ 811278366Sadrian uint8_t *out = data; 812278366Sadrian uint32_t val; 813278366Sadrian int error, ntries; 814278366Sadrian 815278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 816278366Sadrian 817278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 818278366Sadrian return error; 819278366Sadrian 820278366Sadrian for (; count > 0; count -= 2, addr++) { 821278366Sadrian WPI_WRITE(sc, WPI_EEPROM, addr << 2); 822278366Sadrian for (ntries = 0; ntries < 10; ntries++) { 823278366Sadrian val = WPI_READ(sc, WPI_EEPROM); 824278366Sadrian if (val & WPI_EEPROM_READ_VALID) 825278366Sadrian break; 826278366Sadrian DELAY(5); 827278366Sadrian } 828278366Sadrian if (ntries == 10) { 829278366Sadrian device_printf(sc->sc_dev, 830278366Sadrian "timeout reading ROM at 0x%x\n", addr); 831278366Sadrian return ETIMEDOUT; 832278366Sadrian } 833278366Sadrian *out++= val >> 16; 834278366Sadrian if (count > 1) 835278366Sadrian *out ++= val >> 24; 836278366Sadrian } 837278366Sadrian 838278366Sadrian wpi_nic_unlock(sc); 839278366Sadrian 840278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 841278366Sadrian 842278366Sadrian return 0; 843278366Sadrian} 844278366Sadrian 845178354Ssamstatic void 846173362Sbenjscwpi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 847173362Sbenjsc{ 848173362Sbenjsc if (error != 0) 849173362Sbenjsc return; 850173362Sbenjsc KASSERT(nsegs == 1, ("too many DMA segments, %d should be 1", nsegs)); 851173362Sbenjsc *(bus_addr_t *)arg = segs[0].ds_addr; 852173362Sbenjsc} 853173362Sbenjsc 854177043Sthompsa/* 855177043Sthompsa * Allocates a contiguous block of dma memory of the requested size and 856278366Sadrian * alignment. 857177043Sthompsa */ 858173362Sbenjscstatic int 859173362Sbenjscwpi_dma_contig_alloc(struct wpi_softc *sc, struct wpi_dma_info *dma, 860278366Sadrian void **kvap, bus_size_t size, bus_size_t alignment) 861173362Sbenjsc{ 862173362Sbenjsc int error; 863173362Sbenjsc 864278366Sadrian dma->tag = NULL; 865173362Sbenjsc dma->size = size; 866173362Sbenjsc 867278366Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), alignment, 868278366Sadrian 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, size, 869278366Sadrian 1, size, BUS_DMA_NOWAIT, NULL, NULL, &dma->tag); 870278366Sadrian if (error != 0) 871173362Sbenjsc goto fail; 872278366Sadrian 873278366Sadrian error = bus_dmamem_alloc(dma->tag, (void **)&dma->vaddr, 874278366Sadrian BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, &dma->map); 875278366Sadrian if (error != 0) 876173362Sbenjsc goto fail; 877173362Sbenjsc 878278366Sadrian error = bus_dmamap_load(dma->tag, dma->map, dma->vaddr, size, 879278366Sadrian wpi_dma_map_addr, &dma->paddr, BUS_DMA_NOWAIT); 880278366Sadrian if (error != 0) 881278366Sadrian goto fail; 882177043Sthompsa 883278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 884177043Sthompsa 885173362Sbenjsc if (kvap != NULL) 886173362Sbenjsc *kvap = dma->vaddr; 887173362Sbenjsc 888173362Sbenjsc return 0; 889173362Sbenjsc 890278366Sadrianfail: wpi_dma_contig_free(dma); 891173362Sbenjsc return error; 892173362Sbenjsc} 893173362Sbenjsc 894173362Sbenjscstatic void 895173362Sbenjscwpi_dma_contig_free(struct wpi_dma_info *dma) 896173362Sbenjsc{ 897278366Sadrian if (dma->vaddr != NULL) { 898278366Sadrian bus_dmamap_sync(dma->tag, dma->map, 899278366Sadrian BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 900278366Sadrian bus_dmamap_unload(dma->tag, dma->map); 901278366Sadrian bus_dmamem_free(dma->tag, dma->vaddr, dma->map); 902278366Sadrian dma->vaddr = NULL; 903278366Sadrian } 904278366Sadrian if (dma->tag != NULL) { 905173362Sbenjsc bus_dma_tag_destroy(dma->tag); 906278366Sadrian dma->tag = NULL; 907173362Sbenjsc } 908173362Sbenjsc} 909173362Sbenjsc 910173362Sbenjsc/* 911173362Sbenjsc * Allocate a shared page between host and NIC. 912173362Sbenjsc */ 913173362Sbenjscstatic int 914173362Sbenjscwpi_alloc_shared(struct wpi_softc *sc) 915173362Sbenjsc{ 916278366Sadrian /* Shared buffer must be aligned on a 4KB boundary. */ 917278366Sadrian return wpi_dma_contig_alloc(sc, &sc->shared_dma, 918278366Sadrian (void **)&sc->shared, sizeof (struct wpi_shared), 4096); 919173362Sbenjsc} 920173362Sbenjsc 921173362Sbenjscstatic void 922173362Sbenjscwpi_free_shared(struct wpi_softc *sc) 923173362Sbenjsc{ 924173362Sbenjsc wpi_dma_contig_free(&sc->shared_dma); 925173362Sbenjsc} 926173362Sbenjsc 927278366Sadrian/* 928278366Sadrian * Allocate DMA-safe memory for firmware transfer. 929278366Sadrian */ 930173362Sbenjscstatic int 931278366Sadrianwpi_alloc_fwmem(struct wpi_softc *sc) 932173362Sbenjsc{ 933278366Sadrian /* Must be aligned on a 16-byte boundary. */ 934278366Sadrian return wpi_dma_contig_alloc(sc, &sc->fw_dma, NULL, 935278366Sadrian WPI_FW_TEXT_MAXSZ + WPI_FW_DATA_MAXSZ, 16); 936278366Sadrian} 937173362Sbenjsc 938278366Sadrianstatic void 939278366Sadrianwpi_free_fwmem(struct wpi_softc *sc) 940278366Sadrian{ 941278366Sadrian wpi_dma_contig_free(&sc->fw_dma); 942278366Sadrian} 943278366Sadrian 944278366Sadrianstatic int 945278366Sadrianwpi_alloc_rx_ring(struct wpi_softc *sc) 946278366Sadrian{ 947278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 948278366Sadrian bus_size_t size; 949173362Sbenjsc int i, error; 950173362Sbenjsc 951173362Sbenjsc ring->cur = 0; 952278366Sadrian ring->update = 0; 953173362Sbenjsc 954278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 955278366Sadrian 956278366Sadrian /* Allocate RX descriptors (16KB aligned.) */ 957278366Sadrian size = WPI_RX_RING_COUNT * sizeof (uint32_t); 958173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->desc_dma, 959278366Sadrian (void **)&ring->desc, size, WPI_RING_DMA_ALIGN); 960173362Sbenjsc if (error != 0) { 961177043Sthompsa device_printf(sc->sc_dev, 962278366Sadrian "%s: could not allocate RX ring DMA memory, error %d\n", 963177043Sthompsa __func__, error); 964177043Sthompsa goto fail; 965173362Sbenjsc } 966173362Sbenjsc 967278366Sadrian /* Create RX buffer DMA tag. */ 968280059Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 969278366Sadrian BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 970278366Sadrian MJUMPAGESIZE, 1, MJUMPAGESIZE, BUS_DMA_NOWAIT, NULL, NULL, 971278366Sadrian &ring->data_dmat); 972280059Sadrian if (error != 0) { 973280059Sadrian device_printf(sc->sc_dev, 974278366Sadrian "%s: could not create RX buf DMA tag, error %d\n", 975177043Sthompsa __func__, error); 976280059Sadrian goto fail; 977280059Sadrian } 978177043Sthompsa 979173362Sbenjsc /* 980278366Sadrian * Allocate and map RX buffers. 981173362Sbenjsc */ 982173362Sbenjsc for (i = 0; i < WPI_RX_RING_COUNT; i++) { 983177043Sthompsa struct wpi_rx_data *data = &ring->data[i]; 984177043Sthompsa bus_addr_t paddr; 985173362Sbenjsc 986177043Sthompsa error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 987177043Sthompsa if (error != 0) { 988173362Sbenjsc device_printf(sc->sc_dev, 989278366Sadrian "%s: could not create RX buf DMA map, error %d\n", 990177043Sthompsa __func__, error); 991173362Sbenjsc goto fail; 992173362Sbenjsc } 993278366Sadrian 994278366Sadrian data->m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 995278366Sadrian if (data->m == NULL) { 996173362Sbenjsc device_printf(sc->sc_dev, 997278366Sadrian "%s: could not allocate RX mbuf\n", __func__); 998278366Sadrian error = ENOBUFS; 999173362Sbenjsc goto fail; 1000173362Sbenjsc } 1001278366Sadrian 1002177043Sthompsa error = bus_dmamap_load(ring->data_dmat, data->map, 1003278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1004278366Sadrian &paddr, BUS_DMA_NOWAIT); 1005177043Sthompsa if (error != 0 && error != EFBIG) { 1006177043Sthompsa device_printf(sc->sc_dev, 1007278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, 1008278366Sadrian error); 1009173362Sbenjsc goto fail; 1010173362Sbenjsc } 1011177043Sthompsa 1012278366Sadrian /* Set physical address of RX buffer. */ 1013177043Sthompsa ring->desc[i] = htole32(paddr); 1014173362Sbenjsc } 1015278366Sadrian 1016173362Sbenjsc bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1017173362Sbenjsc BUS_DMASYNC_PREWRITE); 1018278366Sadrian 1019278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1020278366Sadrian 1021173362Sbenjsc return 0; 1022278366Sadrian 1023278366Sadrianfail: wpi_free_rx_ring(sc); 1024278366Sadrian 1025278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1026278366Sadrian 1027173362Sbenjsc return error; 1028173362Sbenjsc} 1029173362Sbenjsc 1030173362Sbenjscstatic void 1031278366Sadrianwpi_update_rx_ring(struct wpi_softc *sc) 1032173362Sbenjsc{ 1033278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1034173362Sbenjsc 1035280056Sadrian if (ring->update != 0) { 1036280056Sadrian /* Wait for INT_WAKEUP event. */ 1037280056Sadrian return; 1038280056Sadrian } 1039280056Sadrian 1040278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1041278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s: wakeup request\n", 1042278366Sadrian __func__); 1043173362Sbenjsc 1044278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1045278366Sadrian ring->update = 1; 1046278366Sadrian } else 1047278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, ring->cur & ~7); 1048278366Sadrian} 1049173362Sbenjsc 1050278366Sadrianstatic void 1051278366Sadrianwpi_reset_rx_ring(struct wpi_softc *sc) 1052278366Sadrian{ 1053278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1054278366Sadrian int ntries; 1055173362Sbenjsc 1056278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1057173362Sbenjsc 1058278366Sadrian if (wpi_nic_lock(sc) == 0) { 1059278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 0); 1060278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 1061278366Sadrian if (WPI_READ(sc, WPI_FH_RX_STATUS) & 1062278366Sadrian WPI_FH_RX_STATUS_IDLE) 1063278366Sadrian break; 1064278366Sadrian DELAY(10); 1065278366Sadrian } 1066173362Sbenjsc#ifdef WPI_DEBUG 1067278366Sadrian if (ntries == 1000) { 1068278366Sadrian device_printf(sc->sc_dev, 1069278366Sadrian "timeout resetting Rx ring\n"); 1070278366Sadrian } 1071173362Sbenjsc#endif 1072278366Sadrian wpi_nic_unlock(sc); 1073278366Sadrian } 1074173362Sbenjsc 1075173362Sbenjsc ring->cur = 0; 1076278366Sadrian ring->update = 0; 1077173362Sbenjsc} 1078173362Sbenjsc 1079173362Sbenjscstatic void 1080278366Sadrianwpi_free_rx_ring(struct wpi_softc *sc) 1081173362Sbenjsc{ 1082278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1083173362Sbenjsc int i; 1084173362Sbenjsc 1085278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1086278366Sadrian 1087173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1088173362Sbenjsc 1089216824Sbschmidt for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1090216824Sbschmidt struct wpi_rx_data *data = &ring->data[i]; 1091216824Sbschmidt 1092216824Sbschmidt if (data->m != NULL) { 1093216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, 1094216824Sbschmidt BUS_DMASYNC_POSTREAD); 1095216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1096216824Sbschmidt m_freem(data->m); 1097278366Sadrian data->m = NULL; 1098216824Sbschmidt } 1099216824Sbschmidt if (data->map != NULL) 1100216824Sbschmidt bus_dmamap_destroy(ring->data_dmat, data->map); 1101216824Sbschmidt } 1102278366Sadrian if (ring->data_dmat != NULL) { 1103278366Sadrian bus_dma_tag_destroy(ring->data_dmat); 1104278366Sadrian ring->data_dmat = NULL; 1105278366Sadrian } 1106173362Sbenjsc} 1107173362Sbenjsc 1108173362Sbenjscstatic int 1109278366Sadrianwpi_alloc_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring, int qid) 1110173362Sbenjsc{ 1111278366Sadrian bus_addr_t paddr; 1112278366Sadrian bus_size_t size; 1113173362Sbenjsc int i, error; 1114173362Sbenjsc 1115173362Sbenjsc ring->qid = qid; 1116173362Sbenjsc ring->queued = 0; 1117173362Sbenjsc ring->cur = 0; 1118278366Sadrian ring->update = 0; 1119173362Sbenjsc 1120278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1121173362Sbenjsc 1122278366Sadrian /* Allocate TX descriptors (16KB aligned.) */ 1123278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_desc); 1124278366Sadrian error = wpi_dma_contig_alloc(sc, &ring->desc_dma, (void **)&ring->desc, 1125278366Sadrian size, WPI_RING_DMA_ALIGN); 1126173362Sbenjsc if (error != 0) { 1127278366Sadrian device_printf(sc->sc_dev, 1128278366Sadrian "%s: could not allocate TX ring DMA memory, error %d\n", 1129278366Sadrian __func__, error); 1130278366Sadrian goto fail; 1131173362Sbenjsc } 1132173362Sbenjsc 1133278366Sadrian /* Update shared area with ring physical address. */ 1134173362Sbenjsc sc->shared->txbase[qid] = htole32(ring->desc_dma.paddr); 1135278366Sadrian bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 1136278366Sadrian BUS_DMASYNC_PREWRITE); 1137173362Sbenjsc 1138278366Sadrian /* 1139278366Sadrian * We only use rings 0 through 4 (4 EDCA + cmd) so there is no need 1140278366Sadrian * to allocate commands space for other rings. 1141278366Sadrian * XXX Do we really need to allocate descriptors for other rings? 1142278366Sadrian */ 1143280064Sadrian if (qid > WPI_CMD_QUEUE_NUM) 1144278366Sadrian return 0; 1145278366Sadrian 1146278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_cmd); 1147173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->cmd_dma, (void **)&ring->cmd, 1148278366Sadrian size, 4); 1149173362Sbenjsc if (error != 0) { 1150173362Sbenjsc device_printf(sc->sc_dev, 1151278366Sadrian "%s: could not allocate TX cmd DMA memory, error %d\n", 1152278366Sadrian __func__, error); 1153173362Sbenjsc goto fail; 1154173362Sbenjsc } 1155173362Sbenjsc 1156173362Sbenjsc error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1157173362Sbenjsc BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1158173362Sbenjsc WPI_MAX_SCATTER - 1, MCLBYTES, BUS_DMA_NOWAIT, NULL, NULL, 1159173362Sbenjsc &ring->data_dmat); 1160173362Sbenjsc if (error != 0) { 1161278366Sadrian device_printf(sc->sc_dev, 1162278366Sadrian "%s: could not create TX buf DMA tag, error %d\n", 1163278366Sadrian __func__, error); 1164173362Sbenjsc goto fail; 1165173362Sbenjsc } 1166173362Sbenjsc 1167278366Sadrian paddr = ring->cmd_dma.paddr; 1168278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1169278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1170173362Sbenjsc 1171278366Sadrian data->cmd_paddr = paddr; 1172278366Sadrian paddr += sizeof (struct wpi_tx_cmd); 1173278366Sadrian 1174173362Sbenjsc error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1175173362Sbenjsc if (error != 0) { 1176173362Sbenjsc device_printf(sc->sc_dev, 1177278366Sadrian "%s: could not create TX buf DMA map, error %d\n", 1178278366Sadrian __func__, error); 1179173362Sbenjsc goto fail; 1180173362Sbenjsc } 1181173362Sbenjsc } 1182173362Sbenjsc 1183278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1184278366Sadrian 1185173362Sbenjsc return 0; 1186173362Sbenjsc 1187278366Sadrianfail: wpi_free_tx_ring(sc, ring); 1188278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1189173362Sbenjsc return error; 1190173362Sbenjsc} 1191173362Sbenjsc 1192173362Sbenjscstatic void 1193278366Sadrianwpi_update_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1194278366Sadrian{ 1195280056Sadrian if (ring->update != 0) { 1196280056Sadrian /* Wait for INT_WAKEUP event. */ 1197280056Sadrian return; 1198280056Sadrian } 1199280056Sadrian 1200278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1201278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s (%d): requesting wakeup\n", 1202278366Sadrian __func__, ring->qid); 1203278366Sadrian 1204278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1205278366Sadrian ring->update = 1; 1206278366Sadrian } else 1207278366Sadrian WPI_WRITE(sc, WPI_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur); 1208278366Sadrian} 1209278366Sadrian 1210278366Sadrianstatic void 1211173362Sbenjscwpi_reset_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1212173362Sbenjsc{ 1213278366Sadrian int i; 1214173362Sbenjsc 1215278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1216173362Sbenjsc 1217278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1218278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1219173362Sbenjsc 1220173362Sbenjsc if (data->m != NULL) { 1221278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1222278366Sadrian BUS_DMASYNC_POSTWRITE); 1223173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1224173362Sbenjsc m_freem(data->m); 1225173362Sbenjsc data->m = NULL; 1226173362Sbenjsc } 1227173362Sbenjsc } 1228278366Sadrian /* Clear TX descriptors. */ 1229278366Sadrian memset(ring->desc, 0, ring->desc_dma.size); 1230278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1231278366Sadrian BUS_DMASYNC_PREWRITE); 1232278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1233173362Sbenjsc ring->queued = 0; 1234173362Sbenjsc ring->cur = 0; 1235278366Sadrian ring->update = 0; 1236173362Sbenjsc} 1237173362Sbenjsc 1238173362Sbenjscstatic void 1239173362Sbenjscwpi_free_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1240173362Sbenjsc{ 1241173362Sbenjsc int i; 1242173362Sbenjsc 1243278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1244278366Sadrian 1245173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1246173362Sbenjsc wpi_dma_contig_free(&ring->cmd_dma); 1247173362Sbenjsc 1248278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1249278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1250173362Sbenjsc 1251278366Sadrian if (data->m != NULL) { 1252278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1253278366Sadrian BUS_DMASYNC_POSTWRITE); 1254278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1255278366Sadrian m_freem(data->m); 1256173362Sbenjsc } 1257278366Sadrian if (data->map != NULL) 1258278366Sadrian bus_dmamap_destroy(ring->data_dmat, data->map); 1259173362Sbenjsc } 1260278366Sadrian if (ring->data_dmat != NULL) { 1261173362Sbenjsc bus_dma_tag_destroy(ring->data_dmat); 1262278366Sadrian ring->data_dmat = NULL; 1263278366Sadrian } 1264173362Sbenjsc} 1265173362Sbenjsc 1266278366Sadrian/* 1267278366Sadrian * Extract various information from EEPROM. 1268278366Sadrian */ 1269173362Sbenjscstatic int 1270278366Sadrianwpi_read_eeprom(struct wpi_softc *sc, uint8_t macaddr[IEEE80211_ADDR_LEN]) 1271173362Sbenjsc{ 1272278366Sadrian#define WPI_CHK(res) do { \ 1273278366Sadrian if ((error = res) != 0) \ 1274278366Sadrian goto fail; \ 1275278366Sadrian} while (0) 1276278366Sadrian int error, i; 1277173362Sbenjsc 1278278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1279173362Sbenjsc 1280278366Sadrian /* Adapter has to be powered on for EEPROM access to work. */ 1281278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 1282278366Sadrian device_printf(sc->sc_dev, 1283278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 1284278366Sadrian error); 1285278366Sadrian return error; 1286278366Sadrian } 1287278366Sadrian 1288278366Sadrian if ((WPI_READ(sc, WPI_EEPROM_GP) & 0x6) == 0) { 1289278366Sadrian device_printf(sc->sc_dev, "bad EEPROM signature\n"); 1290278366Sadrian error = EIO; 1291278366Sadrian goto fail; 1292278366Sadrian } 1293278366Sadrian /* Clear HW ownership of EEPROM. */ 1294278366Sadrian WPI_CLRBITS(sc, WPI_EEPROM_GP, WPI_EEPROM_GP_IF_OWNER); 1295278366Sadrian 1296278366Sadrian /* Read the hardware capabilities, revision and SKU type. */ 1297278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_SKU_CAP, &sc->cap, 1298278366Sadrian sizeof(sc->cap))); 1299278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_REVISION, &sc->rev, 1300278366Sadrian sizeof(sc->rev))); 1301278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_TYPE, &sc->type, 1302278366Sadrian sizeof(sc->type))); 1303278366Sadrian 1304280076Sadrian sc->rev = le16toh(sc->rev); 1305280066Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, "cap=%x rev=%x type=%x\n", sc->cap, 1306280076Sadrian sc->rev, sc->type); 1307278366Sadrian 1308278366Sadrian /* Read the regulatory domain (4 ASCII characters.) */ 1309278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_DOMAIN, sc->domain, 1310278366Sadrian sizeof(sc->domain))); 1311278366Sadrian 1312278366Sadrian /* Read MAC address. */ 1313278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_MAC, macaddr, 1314278366Sadrian IEEE80211_ADDR_LEN)); 1315278366Sadrian 1316278366Sadrian /* Read the list of authorized channels. */ 1317278366Sadrian for (i = 0; i < WPI_CHAN_BANDS_COUNT; i++) 1318278366Sadrian WPI_CHK(wpi_read_eeprom_channels(sc, i)); 1319278366Sadrian 1320278366Sadrian /* Read the list of TX power groups. */ 1321278366Sadrian for (i = 0; i < WPI_POWER_GROUPS_COUNT; i++) 1322278366Sadrian WPI_CHK(wpi_read_eeprom_group(sc, i)); 1323278366Sadrian 1324278366Sadrianfail: wpi_apm_stop(sc); /* Power OFF adapter. */ 1325278366Sadrian 1326278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, error ? TRACE_STR_END_ERR : TRACE_STR_END, 1327278366Sadrian __func__); 1328278366Sadrian 1329278366Sadrian return error; 1330278366Sadrian#undef WPI_CHK 1331278366Sadrian} 1332278366Sadrian 1333278366Sadrian/* 1334278366Sadrian * Translate EEPROM flags to net80211. 1335278366Sadrian */ 1336278366Sadrianstatic uint32_t 1337278366Sadrianwpi_eeprom_channel_flags(struct wpi_eeprom_chan *channel) 1338278366Sadrian{ 1339278366Sadrian uint32_t nflags; 1340278366Sadrian 1341278366Sadrian nflags = 0; 1342278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_ACTIVE) == 0) 1343278366Sadrian nflags |= IEEE80211_CHAN_PASSIVE; 1344278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_IBSS) == 0) 1345278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1346278366Sadrian if (channel->flags & WPI_EEPROM_CHAN_RADAR) { 1347278366Sadrian nflags |= IEEE80211_CHAN_DFS; 1348278366Sadrian /* XXX apparently IBSS may still be marked */ 1349278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1350278366Sadrian } 1351278366Sadrian 1352278366Sadrian return nflags; 1353278366Sadrian} 1354278366Sadrian 1355278366Sadrianstatic void 1356278366Sadrianwpi_read_eeprom_band(struct wpi_softc *sc, int n) 1357278366Sadrian{ 1358278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1359278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1360278366Sadrian struct wpi_eeprom_chan *channels = sc->eeprom_channels[n]; 1361278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1362278366Sadrian struct ieee80211_channel *c; 1363278366Sadrian uint8_t chan; 1364278366Sadrian int i, nflags; 1365278366Sadrian 1366278366Sadrian for (i = 0; i < band->nchan; i++) { 1367278366Sadrian if (!(channels[i].flags & WPI_EEPROM_CHAN_VALID)) { 1368278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 1369278366Sadrian "Channel Not Valid: %d, band %d\n", 1370278366Sadrian band->chan[i],n); 1371278366Sadrian continue; 1372278366Sadrian } 1373278366Sadrian 1374278366Sadrian chan = band->chan[i]; 1375278366Sadrian nflags = wpi_eeprom_channel_flags(&channels[i]); 1376278366Sadrian 1377278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1378278366Sadrian c->ic_ieee = chan; 1379278366Sadrian c->ic_maxregpower = channels[i].maxpwr; 1380278366Sadrian c->ic_maxpower = 2*c->ic_maxregpower; 1381278366Sadrian 1382278366Sadrian if (n == 0) { /* 2GHz band */ 1383280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1384280066Sadrian IEEE80211_CHAN_G); 1385280066Sadrian 1386278366Sadrian /* G =>'s B is supported */ 1387278366Sadrian c->ic_flags = IEEE80211_CHAN_B | nflags; 1388278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1389278366Sadrian c[0] = c[-1]; 1390278366Sadrian c->ic_flags = IEEE80211_CHAN_G | nflags; 1391278366Sadrian } else { /* 5GHz band */ 1392280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1393280066Sadrian IEEE80211_CHAN_A); 1394280066Sadrian 1395278366Sadrian c->ic_flags = IEEE80211_CHAN_A | nflags; 1396278366Sadrian } 1397278366Sadrian 1398278366Sadrian /* Save maximum allowed TX power for this channel. */ 1399278366Sadrian sc->maxpwr[chan] = channels[i].maxpwr; 1400278366Sadrian 1401278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1402278366Sadrian "adding chan %d (%dMHz) flags=0x%x maxpwr=%d passive=%d," 1403278366Sadrian " offset %d\n", chan, c->ic_freq, 1404278366Sadrian channels[i].flags, sc->maxpwr[chan], 1405278764Sadrian IEEE80211_IS_CHAN_PASSIVE(c), ic->ic_nchans); 1406278366Sadrian } 1407278366Sadrian} 1408278366Sadrian 1409278366Sadrian/** 1410278366Sadrian * Read the eeprom to find out what channels are valid for the given 1411278366Sadrian * band and update net80211 with what we find. 1412278366Sadrian */ 1413278366Sadrianstatic int 1414278366Sadrianwpi_read_eeprom_channels(struct wpi_softc *sc, int n) 1415278366Sadrian{ 1416278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1417278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1418278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1419278366Sadrian int error; 1420278366Sadrian 1421278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1422278366Sadrian 1423278366Sadrian error = wpi_read_prom_data(sc, band->addr, &sc->eeprom_channels[n], 1424278366Sadrian band->nchan * sizeof (struct wpi_eeprom_chan)); 1425278366Sadrian if (error != 0) { 1426278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1427278366Sadrian return error; 1428278366Sadrian } 1429278366Sadrian 1430278366Sadrian wpi_read_eeprom_band(sc, n); 1431278366Sadrian 1432278366Sadrian ieee80211_sort_channels(ic->ic_channels, ic->ic_nchans); 1433278366Sadrian 1434278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1435278366Sadrian 1436173362Sbenjsc return 0; 1437173362Sbenjsc} 1438173362Sbenjsc 1439278366Sadrianstatic struct wpi_eeprom_chan * 1440278366Sadrianwpi_find_eeprom_channel(struct wpi_softc *sc, struct ieee80211_channel *c) 1441278366Sadrian{ 1442278366Sadrian int i, j; 1443278366Sadrian 1444278366Sadrian for (j = 0; j < WPI_CHAN_BANDS_COUNT; j++) 1445278366Sadrian for (i = 0; i < wpi_bands[j].nchan; i++) 1446278366Sadrian if (wpi_bands[j].chan[i] == c->ic_ieee) 1447278366Sadrian return &sc->eeprom_channels[j][i]; 1448278366Sadrian 1449278366Sadrian return NULL; 1450278366Sadrian} 1451278366Sadrian 1452278366Sadrian/* 1453278366Sadrian * Enforce flags read from EEPROM. 1454278366Sadrian */ 1455173362Sbenjscstatic int 1456278366Sadrianwpi_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *rd, 1457278366Sadrian int nchan, struct ieee80211_channel chans[]) 1458173362Sbenjsc{ 1459278366Sadrian struct ifnet *ifp = ic->ic_ifp; 1460278366Sadrian struct wpi_softc *sc = ifp->if_softc; 1461278366Sadrian int i; 1462173362Sbenjsc 1463278366Sadrian for (i = 0; i < nchan; i++) { 1464278366Sadrian struct ieee80211_channel *c = &chans[i]; 1465278366Sadrian struct wpi_eeprom_chan *channel; 1466278366Sadrian 1467278366Sadrian channel = wpi_find_eeprom_channel(sc, c); 1468278366Sadrian if (channel == NULL) { 1469278366Sadrian if_printf(ic->ic_ifp, 1470278366Sadrian "%s: invalid channel %u freq %u/0x%x\n", 1471278366Sadrian __func__, c->ic_ieee, c->ic_freq, c->ic_flags); 1472278366Sadrian return EINVAL; 1473278366Sadrian } 1474278366Sadrian c->ic_flags |= wpi_eeprom_channel_flags(channel); 1475278366Sadrian } 1476278366Sadrian 1477173362Sbenjsc return 0; 1478173362Sbenjsc} 1479173362Sbenjsc 1480173362Sbenjscstatic int 1481278366Sadrianwpi_read_eeprom_group(struct wpi_softc *sc, int n) 1482173362Sbenjsc{ 1483278366Sadrian struct wpi_power_group *group = &sc->groups[n]; 1484278366Sadrian struct wpi_eeprom_group rgroup; 1485278366Sadrian int i, error; 1486173362Sbenjsc 1487278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1488173362Sbenjsc 1489278366Sadrian if ((error = wpi_read_prom_data(sc, WPI_EEPROM_POWER_GRP + n * 32, 1490278366Sadrian &rgroup, sizeof rgroup)) != 0) { 1491278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1492278366Sadrian return error; 1493278366Sadrian } 1494278366Sadrian 1495278366Sadrian /* Save TX power group information. */ 1496278366Sadrian group->chan = rgroup.chan; 1497278366Sadrian group->maxpwr = rgroup.maxpwr; 1498278366Sadrian /* Retrieve temperature at which the samples were taken. */ 1499278366Sadrian group->temp = (int16_t)le16toh(rgroup.temp); 1500278366Sadrian 1501278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1502278366Sadrian "power group %d: chan=%d maxpwr=%d temp=%d\n", n, group->chan, 1503278366Sadrian group->maxpwr, group->temp); 1504278366Sadrian 1505278366Sadrian for (i = 0; i < WPI_SAMPLES_COUNT; i++) { 1506278366Sadrian group->samples[i].index = rgroup.samples[i].index; 1507278366Sadrian group->samples[i].power = rgroup.samples[i].power; 1508278366Sadrian 1509278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1510278366Sadrian "\tsample %d: index=%d power=%d\n", i, 1511278366Sadrian group->samples[i].index, group->samples[i].power); 1512278366Sadrian } 1513278366Sadrian 1514278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1515278366Sadrian 1516173362Sbenjsc return 0; 1517173362Sbenjsc} 1518173362Sbenjsc 1519280069Sadrianstatic int 1520280069Sadrianwpi_add_node_entry_adhoc(struct wpi_softc *sc) 1521280069Sadrian{ 1522280069Sadrian int newid = WPI_ID_IBSS_MIN; 1523280069Sadrian 1524280069Sadrian for (; newid <= WPI_ID_IBSS_MAX; newid++) { 1525280069Sadrian if ((sc->nodesmsk & (1 << newid)) == 0) { 1526280069Sadrian sc->nodesmsk |= 1 << newid; 1527280069Sadrian return newid; 1528280069Sadrian } 1529280069Sadrian } 1530280069Sadrian 1531280069Sadrian return WPI_ID_UNDEFINED; 1532280069Sadrian} 1533280069Sadrian 1534280069Sadrianstatic __inline int 1535280070Sadrianwpi_add_node_entry_sta(struct wpi_softc *sc) 1536280070Sadrian{ 1537280070Sadrian sc->nodesmsk |= 1 << WPI_ID_BSS; 1538280070Sadrian 1539280070Sadrian return WPI_ID_BSS; 1540280070Sadrian} 1541280070Sadrian 1542280070Sadrianstatic __inline int 1543280069Sadrianwpi_check_node_entry(struct wpi_softc *sc, uint8_t id) 1544280069Sadrian{ 1545280069Sadrian if (id == WPI_ID_UNDEFINED) 1546280069Sadrian return 0; 1547280069Sadrian 1548280069Sadrian return (sc->nodesmsk >> id) & 1; 1549280069Sadrian} 1550280069Sadrian 1551280069Sadrianstatic __inline void 1552280069Sadrianwpi_clear_node_table(struct wpi_softc *sc) 1553280069Sadrian{ 1554280069Sadrian sc->nodesmsk = 0; 1555280069Sadrian} 1556280069Sadrian 1557280069Sadrianstatic __inline void 1558280069Sadrianwpi_del_node_entry(struct wpi_softc *sc, uint8_t id) 1559280069Sadrian{ 1560280069Sadrian sc->nodesmsk &= ~(1 << id); 1561280069Sadrian} 1562280069Sadrian 1563278366Sadrianstatic struct ieee80211_node * 1564278366Sadrianwpi_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 1565278366Sadrian{ 1566278366Sadrian struct wpi_node *wn; 1567278366Sadrian 1568278366Sadrian wn = malloc(sizeof (struct wpi_node), M_80211_NODE, 1569278366Sadrian M_NOWAIT | M_ZERO); 1570278366Sadrian 1571278366Sadrian if (wn == NULL) 1572278366Sadrian return NULL; 1573278366Sadrian 1574278366Sadrian wn->id = WPI_ID_UNDEFINED; 1575278366Sadrian 1576278366Sadrian return &wn->ni; 1577278366Sadrian} 1578278366Sadrian 1579278366Sadrianstatic void 1580278366Sadrianwpi_node_free(struct ieee80211_node *ni) 1581278366Sadrian{ 1582278366Sadrian struct ieee80211com *ic = ni->ni_ic; 1583278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 1584280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 1585278366Sadrian 1586280070Sadrian if (wn->id != WPI_ID_UNDEFINED) { 1587280077Sadrian WPI_NT_LOCK(sc); 1588280069Sadrian if (wpi_check_node_entry(sc, wn->id)) { 1589280069Sadrian wpi_del_node_entry(sc, wn->id); 1590278366Sadrian wpi_del_node(sc, ni); 1591280069Sadrian } 1592280077Sadrian WPI_NT_UNLOCK(sc); 1593278366Sadrian } 1594278366Sadrian 1595278366Sadrian sc->sc_node_free(ni); 1596278366Sadrian} 1597278366Sadrian 1598173362Sbenjsc/** 1599173362Sbenjsc * Called by net80211 when ever there is a change to 80211 state machine 1600173362Sbenjsc */ 1601173362Sbenjscstatic int 1602178354Ssamwpi_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1603173362Sbenjsc{ 1604178354Ssam struct wpi_vap *wvp = WPI_VAP(vap); 1605178354Ssam struct ieee80211com *ic = vap->iv_ic; 1606173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 1607173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 1608278366Sadrian int error = 0; 1609173362Sbenjsc 1610278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1611278366Sadrian 1612278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "%s: %s -> %s\n", __func__, 1613178354Ssam ieee80211_state_name[vap->iv_state], 1614278366Sadrian ieee80211_state_name[nstate]); 1615173362Sbenjsc 1616191746Sthompsa IEEE80211_UNLOCK(ic); 1617191746Sthompsa WPI_LOCK(sc); 1618278366Sadrian switch (nstate) { 1619278366Sadrian case IEEE80211_S_SCAN: 1620278366Sadrian if ((vap->iv_opmode == IEEE80211_M_IBSS || 1621278366Sadrian vap->iv_opmode == IEEE80211_M_AHDEMO) && 1622278366Sadrian (sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 1623278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 1624278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 1625278366Sadrian device_printf(sc->sc_dev, 1626278366Sadrian "%s: could not send RXON\n", __func__); 1627278366Sadrian } 1628216238Sbschmidt } 1629278366Sadrian break; 1630278366Sadrian 1631278366Sadrian case IEEE80211_S_ASSOC: 1632278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1633278366Sadrian break; 1634278366Sadrian /* FALLTHROUGH */ 1635278366Sadrian case IEEE80211_S_AUTH: 1636216238Sbschmidt /* 1637216238Sbschmidt * The node must be registered in the firmware before auth. 1638216238Sbschmidt * Also the associd must be cleared on RUN -> ASSOC 1639216238Sbschmidt * transitions. 1640216238Sbschmidt */ 1641278366Sadrian if ((error = wpi_auth(sc, vap)) != 0) { 1642191746Sthompsa device_printf(sc->sc_dev, 1643278366Sadrian "%s: could not move to AUTH state, error %d\n", 1644191746Sthompsa __func__, error); 1645191746Sthompsa } 1646278366Sadrian break; 1647278366Sadrian 1648278366Sadrian case IEEE80211_S_RUN: 1649278366Sadrian /* 1650278366Sadrian * RUN -> RUN transition; Just restart the timers. 1651278366Sadrian */ 1652278366Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 1653278366Sadrian wpi_calib_timeout(sc); 1654278366Sadrian break; 1655278366Sadrian } 1656278366Sadrian 1657278366Sadrian /* 1658278366Sadrian * !RUN -> RUN requires setting the association id 1659278366Sadrian * which is done with a firmware cmd. We also defer 1660278366Sadrian * starting the timers until that work is done. 1661278366Sadrian */ 1662278366Sadrian if ((error = wpi_run(sc, vap)) != 0) { 1663191746Sthompsa device_printf(sc->sc_dev, 1664278366Sadrian "%s: could not move to RUN state\n", __func__); 1665191746Sthompsa } 1666278366Sadrian break; 1667278366Sadrian 1668278366Sadrian default: 1669278366Sadrian break; 1670178354Ssam } 1671191746Sthompsa WPI_UNLOCK(sc); 1672191746Sthompsa IEEE80211_LOCK(ic); 1673278366Sadrian if (error != 0) { 1674278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1675278366Sadrian return error; 1676278366Sadrian } 1677173362Sbenjsc 1678278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1679173362Sbenjsc 1680278366Sadrian return wvp->newstate(vap, nstate, arg); 1681173362Sbenjsc} 1682173362Sbenjsc 1683173362Sbenjscstatic void 1684278366Sadrianwpi_calib_timeout(void *arg) 1685173362Sbenjsc{ 1686278366Sadrian struct wpi_softc *sc = arg; 1687278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1688278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1689278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1690173362Sbenjsc 1691278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1692278366Sadrian return; 1693173362Sbenjsc 1694278366Sadrian wpi_power_calibration(sc); 1695173362Sbenjsc 1696278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 1697173362Sbenjsc} 1698173362Sbenjsc 1699278366Sadrianstatic __inline uint8_t 1700278366Sadrianrate2plcp(const uint8_t rate) 1701173362Sbenjsc{ 1702278366Sadrian switch (rate) { 1703278366Sadrian case 12: return 0xd; 1704278366Sadrian case 18: return 0xf; 1705278366Sadrian case 24: return 0x5; 1706278366Sadrian case 36: return 0x7; 1707278366Sadrian case 48: return 0x9; 1708278366Sadrian case 72: return 0xb; 1709278366Sadrian case 96: return 0x1; 1710278366Sadrian case 108: return 0x3; 1711278366Sadrian case 2: return 10; 1712278366Sadrian case 4: return 20; 1713278366Sadrian case 11: return 55; 1714278366Sadrian case 22: return 110; 1715278366Sadrian default: return 0; 1716173362Sbenjsc } 1717173362Sbenjsc} 1718173362Sbenjsc 1719278366Sadrianstatic __inline uint8_t 1720278366Sadrianplcp2rate(const uint8_t plcp) 1721173362Sbenjsc{ 1722278366Sadrian switch (plcp) { 1723278366Sadrian case 0xd: return 12; 1724278366Sadrian case 0xf: return 18; 1725278366Sadrian case 0x5: return 24; 1726278366Sadrian case 0x7: return 36; 1727278366Sadrian case 0x9: return 48; 1728278366Sadrian case 0xb: return 72; 1729278366Sadrian case 0x1: return 96; 1730278366Sadrian case 0x3: return 108; 1731278366Sadrian case 10: return 2; 1732278366Sadrian case 20: return 4; 1733278366Sadrian case 55: return 11; 1734278366Sadrian case 110: return 22; 1735278366Sadrian default: return 0; 1736173362Sbenjsc } 1737278366Sadrian} 1738173362Sbenjsc 1739278366Sadrian/* Quickly determine if a given rate is CCK or OFDM. */ 1740278366Sadrian#define WPI_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22) 1741173362Sbenjsc 1742173362Sbenjscstatic void 1743278366Sadrianwpi_rx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1744278366Sadrian struct wpi_rx_data *data) 1745173362Sbenjsc{ 1746178354Ssam struct ifnet *ifp = sc->sc_ifp; 1747278366Sadrian const struct ieee80211_cipher *cip = NULL; 1748178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1749173362Sbenjsc struct wpi_rx_ring *ring = &sc->rxq; 1750173362Sbenjsc struct wpi_rx_stat *stat; 1751173362Sbenjsc struct wpi_rx_head *head; 1752173362Sbenjsc struct wpi_rx_tail *tail; 1753278366Sadrian struct ieee80211_frame *wh; 1754173362Sbenjsc struct ieee80211_node *ni; 1755278366Sadrian struct mbuf *m, *m1; 1756177043Sthompsa bus_addr_t paddr; 1757278366Sadrian uint32_t flags; 1758278366Sadrian uint16_t len; 1759177043Sthompsa int error; 1760173362Sbenjsc 1761173362Sbenjsc stat = (struct wpi_rx_stat *)(desc + 1); 1762173362Sbenjsc 1763173362Sbenjsc if (stat->len > WPI_STAT_MAXLEN) { 1764278366Sadrian device_printf(sc->sc_dev, "invalid RX statistic header\n"); 1765278764Sadrian goto fail1; 1766173362Sbenjsc } 1767173362Sbenjsc 1768216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTREAD); 1769173362Sbenjsc head = (struct wpi_rx_head *)((caddr_t)(stat + 1) + stat->len); 1770278366Sadrian len = le16toh(head->len); 1771278366Sadrian tail = (struct wpi_rx_tail *)((caddr_t)(head + 1) + len); 1772278366Sadrian flags = le32toh(tail->flags); 1773173362Sbenjsc 1774278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: idx %d len %d stat len %u rssi %d" 1775278366Sadrian " rate %x chan %d tstamp %ju\n", __func__, ring->cur, 1776278366Sadrian le32toh(desc->len), len, (int8_t)stat->rssi, 1777278366Sadrian head->plcp, head->chan, (uintmax_t)le64toh(tail->tstamp)); 1778173362Sbenjsc 1779278366Sadrian /* Discard frames with a bad FCS early. */ 1780278366Sadrian if ((flags & WPI_RX_NOERROR) != WPI_RX_NOERROR) { 1781278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: RX flags error %x\n", 1782278366Sadrian __func__, flags); 1783278764Sadrian goto fail1; 1784190458Sjmallett } 1785278366Sadrian /* Discard frames that are too short. */ 1786278366Sadrian if (len < sizeof (*wh)) { 1787278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: frame too short: %d\n", 1788278366Sadrian __func__, len); 1789278764Sadrian goto fail1; 1790190458Sjmallett } 1791190458Sjmallett 1792278366Sadrian m1 = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1793278366Sadrian if (m1 == NULL) { 1794278366Sadrian DPRINTF(sc, WPI_DEBUG_ANY, "%s: no mbuf to restock ring\n", 1795278366Sadrian __func__); 1796278764Sadrian goto fail1; 1797177043Sthompsa } 1798216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1799216824Sbschmidt 1800278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, mtod(m1, void *), 1801278366Sadrian MJUMPAGESIZE, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 1802177043Sthompsa if (error != 0 && error != EFBIG) { 1803177043Sthompsa device_printf(sc->sc_dev, 1804177043Sthompsa "%s: bus_dmamap_load failed, error %d\n", __func__, error); 1805278366Sadrian m_freem(m1); 1806278366Sadrian 1807278366Sadrian /* Try to reload the old mbuf. */ 1808278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, 1809278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1810278366Sadrian &paddr, BUS_DMA_NOWAIT); 1811278366Sadrian if (error != 0 && error != EFBIG) { 1812278366Sadrian panic("%s: could not load old RX mbuf", __func__); 1813278366Sadrian } 1814278366Sadrian /* Physical address may have changed. */ 1815278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1816278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->desc_dma.map, 1817278366Sadrian BUS_DMASYNC_PREWRITE); 1818278764Sadrian goto fail1; 1819177043Sthompsa } 1820177043Sthompsa 1821173362Sbenjsc m = data->m; 1822278366Sadrian data->m = m1; 1823278366Sadrian /* Update RX descriptor. */ 1824278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1825278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1826278366Sadrian BUS_DMASYNC_PREWRITE); 1827278366Sadrian 1828278366Sadrian /* Finalize mbuf. */ 1829173362Sbenjsc m->m_pkthdr.rcvif = ifp; 1830173362Sbenjsc m->m_data = (caddr_t)(head + 1); 1831278366Sadrian m->m_pkthdr.len = m->m_len = len; 1832173362Sbenjsc 1833278366Sadrian /* Grab a reference to the source node. */ 1834278366Sadrian wh = mtod(m, struct ieee80211_frame *); 1835278366Sadrian ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1836173362Sbenjsc 1837278366Sadrian if (ni != NULL) 1838278366Sadrian cip = ni->ni_ucastkey.wk_cipher; 1839278366Sadrian if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) && 1840278366Sadrian !IEEE80211_IS_MULTICAST(wh->i_addr1) && 1841278366Sadrian cip != NULL && cip->ic_cipher == IEEE80211_CIPHER_AES_CCM) { 1842278764Sadrian if ((flags & WPI_RX_CIPHER_MASK) != WPI_RX_CIPHER_CCMP) 1843278764Sadrian goto fail2; 1844278764Sadrian 1845278366Sadrian /* Check whether decryption was successful or not. */ 1846278366Sadrian if ((flags & WPI_RX_DECRYPT_MASK) != WPI_RX_DECRYPT_OK) { 1847278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, 1848278366Sadrian "CCMP decryption failed 0x%x\n", flags); 1849278764Sadrian goto fail2; 1850278366Sadrian } 1851278366Sadrian m->m_flags |= M_WEP; 1852278366Sadrian } 1853278366Sadrian 1854192468Ssam if (ieee80211_radiotap_active(ic)) { 1855173362Sbenjsc struct wpi_rx_radiotap_header *tap = &sc->sc_rxtap; 1856173362Sbenjsc 1857173362Sbenjsc tap->wr_flags = 0; 1858278366Sadrian if (head->flags & htole16(WPI_STAT_FLAG_SHPREAMBLE)) 1859278366Sadrian tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 1860280064Sadrian tap->wr_dbm_antsignal = (int8_t)(stat->rssi + WPI_RSSI_OFFSET); 1861173362Sbenjsc tap->wr_dbm_antnoise = (int8_t)le16toh(stat->noise); 1862173362Sbenjsc tap->wr_tsft = tail->tstamp; 1863173362Sbenjsc tap->wr_antenna = (le16toh(head->flags) >> 4) & 0xf; 1864278366Sadrian tap->wr_rate = plcp2rate(head->plcp); 1865173362Sbenjsc } 1866173362Sbenjsc 1867173362Sbenjsc WPI_UNLOCK(sc); 1868173362Sbenjsc 1869278366Sadrian /* Send the frame to the 802.11 layer. */ 1870178354Ssam if (ni != NULL) { 1871280064Sadrian (void)ieee80211_input(ni, m, stat->rssi, WPI_RSSI_OFFSET); 1872278366Sadrian /* Node is no longer needed. */ 1873178354Ssam ieee80211_free_node(ni); 1874178354Ssam } else 1875280064Sadrian (void)ieee80211_input_all(ic, m, stat->rssi, WPI_RSSI_OFFSET); 1876173362Sbenjsc 1877173362Sbenjsc WPI_LOCK(sc); 1878278764Sadrian 1879278764Sadrian return; 1880278764Sadrian 1881278764Sadrianfail2: ieee80211_free_node(ni); 1882278764Sadrian m_freem(m); 1883278764Sadrian 1884278764Sadrianfail1: if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1885173362Sbenjsc} 1886173362Sbenjsc 1887173362Sbenjscstatic void 1888278366Sadrianwpi_rx_statistics(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1889278366Sadrian struct wpi_rx_data *data) 1890173362Sbenjsc{ 1891278366Sadrian /* Ignore */ 1892278366Sadrian} 1893278366Sadrian 1894278366Sadrianstatic void 1895278366Sadrianwpi_tx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1896278366Sadrian{ 1897178354Ssam struct ifnet *ifp = sc->sc_ifp; 1898173362Sbenjsc struct wpi_tx_ring *ring = &sc->txq[desc->qid & 0x3]; 1899278366Sadrian struct wpi_tx_data *data = &ring->data[desc->idx]; 1900173362Sbenjsc struct wpi_tx_stat *stat = (struct wpi_tx_stat *)(desc + 1); 1901278366Sadrian struct mbuf *m; 1902278366Sadrian struct ieee80211_node *ni; 1903278366Sadrian struct ieee80211vap *vap; 1904280054Sadrian int ackfailcnt = stat->ackfailcnt / 2; /* wpi_mrr_setup() */ 1905278366Sadrian int status = le32toh(stat->status); 1906173362Sbenjsc 1907278366Sadrian KASSERT(data->ni != NULL, ("no node")); 1908173362Sbenjsc 1909278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1910278366Sadrian 1911278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: " 1912278366Sadrian "qid %d idx %d retries %d btkillcnt %d rate %x duration %d " 1913278764Sadrian "status %x\n", __func__, desc->qid, desc->idx, ackfailcnt, 1914278366Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), status); 1915278366Sadrian 1916278366Sadrian /* Unmap and free mbuf. */ 1917278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTWRITE); 1918278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1919278366Sadrian m = data->m, data->m = NULL; 1920278366Sadrian ni = data->ni, data->ni = NULL; 1921278366Sadrian vap = ni->ni_vap; 1922278366Sadrian 1923173362Sbenjsc /* 1924173362Sbenjsc * Update rate control statistics for the node. 1925173362Sbenjsc */ 1926278366Sadrian WPI_UNLOCK(sc); 1927278366Sadrian if ((status & 0xff) != 1) { 1928271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1929278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1930278764Sadrian IEEE80211_RATECTL_TX_FAILURE, &ackfailcnt, NULL); 1931278366Sadrian } else { 1932271849Sglebius if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1933278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1934278764Sadrian IEEE80211_RATECTL_TX_SUCCESS, &ackfailcnt, NULL); 1935278366Sadrian } 1936173362Sbenjsc 1937278366Sadrian ieee80211_tx_complete(ni, m, (status & 0xff) != 1); 1938278366Sadrian WPI_LOCK(sc); 1939173362Sbenjsc 1940278366Sadrian sc->sc_tx_timer = 0; 1941278366Sadrian if (--ring->queued < WPI_TX_RING_LOMARK) { 1942278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1943278366Sadrian if (sc->qfullmsk == 0 && 1944278366Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) { 1945278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1946278366Sadrian wpi_start_locked(ifp); 1947278366Sadrian } 1948278366Sadrian } 1949173362Sbenjsc 1950278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1951173362Sbenjsc} 1952173362Sbenjsc 1953278366Sadrian/* 1954278366Sadrian * Process a "command done" firmware notification. This is where we wakeup 1955278366Sadrian * processes waiting for a synchronous command completion. 1956278366Sadrian */ 1957173362Sbenjscstatic void 1958278366Sadrianwpi_cmd_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1959173362Sbenjsc{ 1960280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 1961173362Sbenjsc struct wpi_tx_data *data; 1962173362Sbenjsc 1963278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "cmd notification qid=%x idx=%d flags=%x " 1964278366Sadrian "type=%s len=%d\n", desc->qid, desc->idx, 1965278366Sadrian desc->flags, wpi_cmd_str(desc->type), 1966278366Sadrian le32toh(desc->len)); 1967173362Sbenjsc 1968280064Sadrian if ((desc->qid & WPI_RX_DESC_QID_MSK) != WPI_CMD_QUEUE_NUM) 1969278366Sadrian return; /* Not a command ack. */ 1970173362Sbenjsc 1971280075Sadrian KASSERT(ring->queued == 0, ("ring->queued must be 0")); 1972280075Sadrian 1973173362Sbenjsc data = &ring->data[desc->idx]; 1974173362Sbenjsc 1975278366Sadrian /* If the command was mapped in an mbuf, free it. */ 1976173362Sbenjsc if (data->m != NULL) { 1977278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1978278366Sadrian BUS_DMASYNC_POSTWRITE); 1979173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1980173362Sbenjsc m_freem(data->m); 1981173362Sbenjsc data->m = NULL; 1982173362Sbenjsc } 1983173362Sbenjsc 1984173362Sbenjsc wakeup(&ring->cmd[desc->idx]); 1985173362Sbenjsc} 1986173362Sbenjsc 1987173362Sbenjscstatic void 1988173362Sbenjscwpi_notif_intr(struct wpi_softc *sc) 1989173362Sbenjsc{ 1990178354Ssam struct ifnet *ifp = sc->sc_ifp; 1991178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1992278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1993278366Sadrian int hw; 1994173362Sbenjsc 1995216523Sbschmidt bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 1996216523Sbschmidt BUS_DMASYNC_POSTREAD); 1997216523Sbschmidt 1998173362Sbenjsc hw = le32toh(sc->shared->next); 1999278366Sadrian hw = (hw == 0) ? WPI_RX_RING_COUNT - 1 : hw - 1; 2000216523Sbschmidt 2001278764Sadrian while (sc->rxq.cur != hw) { 2002278366Sadrian sc->rxq.cur = (sc->rxq.cur + 1) % WPI_RX_RING_COUNT; 2003278366Sadrian 2004278366Sadrian struct wpi_rx_data *data = &sc->rxq.data[sc->rxq.cur]; 2005278366Sadrian struct wpi_rx_desc *desc; 2006278366Sadrian 2007216523Sbschmidt bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2008216523Sbschmidt BUS_DMASYNC_POSTREAD); 2009278366Sadrian desc = mtod(data->m, struct wpi_rx_desc *); 2010173362Sbenjsc 2011278366Sadrian DPRINTF(sc, WPI_DEBUG_NOTIFY, 2012278366Sadrian "%s: cur=%d; qid %x idx %d flags %x type %d(%s) len %d\n", 2013278366Sadrian __func__, sc->rxq.cur, desc->qid, desc->idx, desc->flags, 2014278366Sadrian desc->type, wpi_cmd_str(desc->type), le32toh(desc->len)); 2015173362Sbenjsc 2016280064Sadrian if (!(desc->qid & WPI_UNSOLICITED_RX_NOTIF)) { 2017280064Sadrian /* Reply to a command. */ 2018278366Sadrian wpi_cmd_done(sc, desc); 2019280064Sadrian } 2020173362Sbenjsc 2021173362Sbenjsc switch (desc->type) { 2022173362Sbenjsc case WPI_RX_DONE: 2023278366Sadrian /* An 802.11 frame has been received. */ 2024278366Sadrian wpi_rx_done(sc, desc, data); 2025280055Sadrian 2026280055Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2027280055Sadrian /* wpi_stop() was called. */ 2028280055Sadrian return; 2029280055Sadrian } 2030280055Sadrian 2031173362Sbenjsc break; 2032173362Sbenjsc 2033173362Sbenjsc case WPI_TX_DONE: 2034278366Sadrian /* An 802.11 frame has been transmitted. */ 2035278366Sadrian wpi_tx_done(sc, desc); 2036173362Sbenjsc break; 2037173362Sbenjsc 2038278366Sadrian case WPI_RX_STATISTICS: 2039278366Sadrian case WPI_BEACON_STATISTICS: 2040278366Sadrian wpi_rx_statistics(sc, desc, data); 2041278366Sadrian break; 2042278366Sadrian 2043278366Sadrian case WPI_BEACON_MISSED: 2044278366Sadrian { 2045278366Sadrian struct wpi_beacon_missed *miss = 2046278366Sadrian (struct wpi_beacon_missed *)(desc + 1); 2047278366Sadrian int misses; 2048278366Sadrian 2049278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2050278366Sadrian BUS_DMASYNC_POSTREAD); 2051278366Sadrian misses = le32toh(miss->consecutive); 2052278366Sadrian 2053278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, 2054278366Sadrian "%s: beacons missed %d/%d\n", __func__, misses, 2055278366Sadrian le32toh(miss->total)); 2056278366Sadrian 2057278366Sadrian if (vap->iv_state == IEEE80211_S_RUN && 2058280051Sadrian (ic->ic_flags & IEEE80211_F_SCAN) == 0) { 2059278366Sadrian if (misses >= vap->iv_bmissthreshold) { 2060278366Sadrian WPI_UNLOCK(sc); 2061278366Sadrian ieee80211_beacon_miss(ic); 2062278366Sadrian WPI_LOCK(sc); 2063278366Sadrian } 2064278366Sadrian } 2065278366Sadrian break; 2066278366Sadrian } 2067173362Sbenjsc case WPI_UC_READY: 2068173362Sbenjsc { 2069173362Sbenjsc struct wpi_ucode_info *uc = 2070278366Sadrian (struct wpi_ucode_info *)(desc + 1); 2071173362Sbenjsc 2072278366Sadrian /* The microcontroller is ready. */ 2073278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2074278366Sadrian BUS_DMASYNC_POSTREAD); 2075278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, 2076278366Sadrian "microcode alive notification version=%d.%d " 2077278366Sadrian "subtype=%x alive=%x\n", uc->major, uc->minor, 2078278366Sadrian uc->subtype, le32toh(uc->valid)); 2079173362Sbenjsc 2080173362Sbenjsc if (le32toh(uc->valid) != 1) { 2081173362Sbenjsc device_printf(sc->sc_dev, 2082173362Sbenjsc "microcontroller initialization failed\n"); 2083173362Sbenjsc wpi_stop_locked(sc); 2084173362Sbenjsc } 2085278366Sadrian /* Save the address of the error log in SRAM. */ 2086278366Sadrian sc->errptr = le32toh(uc->errptr); 2087173362Sbenjsc break; 2088173362Sbenjsc } 2089173362Sbenjsc case WPI_STATE_CHANGED: 2090173362Sbenjsc { 2091280059Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2092280059Sadrian BUS_DMASYNC_POSTREAD); 2093278366Sadrian 2094173362Sbenjsc uint32_t *status = (uint32_t *)(desc + 1); 2095278764Sadrian 2096278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "state changed to %x\n", 2097278366Sadrian le32toh(*status)); 2098278764Sadrian 2099173362Sbenjsc if (le32toh(*status) & 1) { 2100280077Sadrian WPI_NT_LOCK(sc); 2101280069Sadrian wpi_clear_node_table(sc); 2102280077Sadrian WPI_NT_UNLOCK(sc); 2103278366Sadrian ieee80211_runtask(ic, &sc->sc_radiooff_task); 2104278366Sadrian return; 2105173362Sbenjsc } 2106173362Sbenjsc break; 2107173362Sbenjsc } 2108173362Sbenjsc case WPI_START_SCAN: 2109173362Sbenjsc { 2110278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2111278366Sadrian BUS_DMASYNC_POSTREAD); 2112179957Sthompsa#ifdef WPI_DEBUG 2113173362Sbenjsc struct wpi_start_scan *scan = 2114278366Sadrian (struct wpi_start_scan *)(desc + 1); 2115278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2116278366Sadrian "%s: scanning channel %d status %x\n", 2117278366Sadrian __func__, scan->chan, le32toh(scan->status)); 2118179957Sthompsa#endif 2119173362Sbenjsc break; 2120173362Sbenjsc } 2121173362Sbenjsc case WPI_STOP_SCAN: 2122173362Sbenjsc { 2123278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2124278366Sadrian BUS_DMASYNC_POSTREAD); 2125179957Sthompsa#ifdef WPI_DEBUG 2126173362Sbenjsc struct wpi_stop_scan *scan = 2127278366Sadrian (struct wpi_stop_scan *)(desc + 1); 2128278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2129278366Sadrian "scan finished nchan=%d status=%d chan=%d\n", 2130278366Sadrian scan->nchan, scan->status, scan->chan); 2131179957Sthompsa#endif 2132177043Sthompsa sc->sc_scan_timer = 0; 2133278366Sadrian WPI_UNLOCK(sc); 2134178354Ssam ieee80211_scan_next(vap); 2135278366Sadrian WPI_LOCK(sc); 2136173362Sbenjsc break; 2137173362Sbenjsc } 2138278366Sadrian } 2139278764Sadrian } 2140173976Sbenjsc 2141278366Sadrian /* Tell the firmware what we have processed. */ 2142278366Sadrian wpi_update_rx_ring(sc); 2143278366Sadrian} 2144278366Sadrian 2145278366Sadrian/* 2146278366Sadrian * Process an INT_WAKEUP interrupt raised when the microcontroller wakes up 2147278366Sadrian * from power-down sleep mode. 2148278366Sadrian */ 2149280059Sadrianstatic void 2150278366Sadrianwpi_wakeup_intr(struct wpi_softc *sc) 2151278366Sadrian{ 2152278366Sadrian int qid; 2153278366Sadrian 2154278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 2155278366Sadrian "%s: ucode wakeup from power-down sleep\n", __func__); 2156278366Sadrian 2157278366Sadrian /* Wakeup RX and TX rings. */ 2158278366Sadrian if (sc->rxq.update) { 2159278764Sadrian sc->rxq.update = 0; 2160278366Sadrian wpi_update_rx_ring(sc); 2161278366Sadrian } 2162280071Sadrian WPI_TXQ_LOCK(sc); 2163280058Sadrian for (qid = 0; qid < WPI_DRV_NTXQUEUES; qid++) { 2164278366Sadrian struct wpi_tx_ring *ring = &sc->txq[qid]; 2165278366Sadrian 2166278366Sadrian if (ring->update) { 2167278764Sadrian ring->update = 0; 2168278366Sadrian wpi_update_tx_ring(sc, ring); 2169173362Sbenjsc } 2170278366Sadrian } 2171280071Sadrian WPI_TXQ_UNLOCK(sc); 2172173362Sbenjsc 2173278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 2174278366Sadrian} 2175278366Sadrian 2176278366Sadrian/* 2177278366Sadrian * Dump the error log of the firmware when a firmware panic occurs. Although 2178278366Sadrian * we can't debug the firmware because it is neither open source nor free, it 2179278366Sadrian * can help us to identify certain classes of problems. 2180278366Sadrian */ 2181278366Sadrianstatic void 2182278366Sadrianwpi_fatal_intr(struct wpi_softc *sc) 2183278366Sadrian{ 2184278366Sadrian struct wpi_fw_dump dump; 2185278366Sadrian uint32_t i, offset, count; 2186278366Sadrian const uint32_t size_errmsg = 2187278366Sadrian (sizeof (wpi_fw_errmsg) / sizeof ((wpi_fw_errmsg)[0])); 2188278366Sadrian 2189278366Sadrian /* Check that the error log address is valid. */ 2190278366Sadrian if (sc->errptr < WPI_FW_DATA_BASE || 2191278366Sadrian sc->errptr + sizeof (dump) > 2192278366Sadrian WPI_FW_DATA_BASE + WPI_FW_DATA_MAXSZ) { 2193278366Sadrian printf("%s: bad firmware error log address 0x%08x\n", __func__, 2194278366Sadrian sc->errptr); 2195280059Sadrian return; 2196280059Sadrian } 2197278366Sadrian if (wpi_nic_lock(sc) != 0) { 2198278366Sadrian printf("%s: could not read firmware error log\n", __func__); 2199280059Sadrian return; 2200280059Sadrian } 2201278366Sadrian /* Read number of entries in the log. */ 2202278366Sadrian count = wpi_mem_read(sc, sc->errptr); 2203278366Sadrian if (count == 0 || count * sizeof (dump) > WPI_FW_DATA_MAXSZ) { 2204278366Sadrian printf("%s: invalid count field (count = %u)\n", __func__, 2205278366Sadrian count); 2206278366Sadrian wpi_nic_unlock(sc); 2207278366Sadrian return; 2208173362Sbenjsc } 2209278366Sadrian /* Skip "count" field. */ 2210278366Sadrian offset = sc->errptr + sizeof (uint32_t); 2211278366Sadrian printf("firmware error log (count = %u):\n", count); 2212278366Sadrian for (i = 0; i < count; i++) { 2213278366Sadrian wpi_mem_read_region_4(sc, offset, (uint32_t *)&dump, 2214278366Sadrian sizeof (dump) / sizeof (uint32_t)); 2215173362Sbenjsc 2216278366Sadrian printf(" error type = \"%s\" (0x%08X)\n", 2217278366Sadrian (dump.desc < size_errmsg) ? 2218278366Sadrian wpi_fw_errmsg[dump.desc] : "UNKNOWN", 2219278366Sadrian dump.desc); 2220278366Sadrian printf(" error data = 0x%08X\n", 2221278366Sadrian dump.data); 2222278366Sadrian printf(" branch link = 0x%08X%08X\n", 2223278366Sadrian dump.blink[0], dump.blink[1]); 2224278366Sadrian printf(" interrupt link = 0x%08X%08X\n", 2225278366Sadrian dump.ilink[0], dump.ilink[1]); 2226278366Sadrian printf(" time = %u\n", dump.time); 2227278366Sadrian 2228278366Sadrian offset += sizeof (dump); 2229278366Sadrian } 2230278366Sadrian wpi_nic_unlock(sc); 2231278366Sadrian /* Dump driver status (TX and RX rings) while we're here. */ 2232278366Sadrian printf("driver status:\n"); 2233280071Sadrian WPI_TXQ_LOCK(sc); 2234280058Sadrian for (i = 0; i < WPI_DRV_NTXQUEUES; i++) { 2235278366Sadrian struct wpi_tx_ring *ring = &sc->txq[i]; 2236278366Sadrian printf(" tx ring %2d: qid=%-2d cur=%-3d queued=%-3d\n", 2237278366Sadrian i, ring->qid, ring->cur, ring->queued); 2238278366Sadrian } 2239280071Sadrian WPI_TXQ_UNLOCK(sc); 2240278366Sadrian printf(" rx ring: cur=%d\n", sc->rxq.cur); 2241173362Sbenjsc} 2242173362Sbenjsc 2243173362Sbenjscstatic void 2244173362Sbenjscwpi_intr(void *arg) 2245173362Sbenjsc{ 2246173362Sbenjsc struct wpi_softc *sc = arg; 2247278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2248278366Sadrian uint32_t r1, r2; 2249173362Sbenjsc 2250173362Sbenjsc WPI_LOCK(sc); 2251173362Sbenjsc 2252278366Sadrian /* Disable interrupts. */ 2253278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 2254278366Sadrian 2255278366Sadrian r1 = WPI_READ(sc, WPI_INT); 2256278366Sadrian 2257280065Sadrian if (r1 == 0xffffffff || (r1 & 0xfffffff0) == 0xa5a5a5a0) 2258280065Sadrian goto end; /* Hardware gone! */ 2259173362Sbenjsc 2260278366Sadrian r2 = WPI_READ(sc, WPI_FH_INT); 2261173362Sbenjsc 2262278366Sadrian DPRINTF(sc, WPI_DEBUG_INTR, "%s: reg1=0x%08x reg2=0x%08x\n", __func__, 2263278366Sadrian r1, r2); 2264278366Sadrian 2265278366Sadrian if (r1 == 0 && r2 == 0) 2266278366Sadrian goto done; /* Interrupt not for us. */ 2267278366Sadrian 2268278366Sadrian /* Acknowledge interrupts. */ 2269278366Sadrian WPI_WRITE(sc, WPI_INT, r1); 2270278366Sadrian WPI_WRITE(sc, WPI_FH_INT, r2); 2271278366Sadrian 2272278366Sadrian if (r1 & (WPI_INT_SW_ERR | WPI_INT_HW_ERR)) { 2273191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 2274191746Sthompsa 2275173362Sbenjsc device_printf(sc->sc_dev, "fatal firmware error\n"); 2276278366Sadrian wpi_fatal_intr(sc); 2277278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 2278278366Sadrian "(%s)\n", (r1 & WPI_INT_SW_ERR) ? "(Software Error)" : 2279278366Sadrian "(Hardware Error)"); 2280278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2281280065Sadrian goto end; 2282173362Sbenjsc } 2283173362Sbenjsc 2284278366Sadrian if ((r1 & (WPI_INT_FH_RX | WPI_INT_SW_RX)) || 2285278366Sadrian (r2 & WPI_FH_INT_RX)) 2286173362Sbenjsc wpi_notif_intr(sc); 2287173362Sbenjsc 2288278366Sadrian if (r1 & WPI_INT_ALIVE) 2289278366Sadrian wakeup(sc); /* Firmware is alive. */ 2290173362Sbenjsc 2291278366Sadrian if (r1 & WPI_INT_WAKEUP) 2292278366Sadrian wpi_wakeup_intr(sc); 2293173362Sbenjsc 2294278366Sadriandone: 2295278366Sadrian /* Re-enable interrupts. */ 2296278366Sadrian if (ifp->if_flags & IFF_UP) 2297278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 2298278366Sadrian 2299280065Sadrianend: WPI_UNLOCK(sc); 2300173362Sbenjsc} 2301173362Sbenjsc 2302278366Sadrianstatic int 2303278366Sadrianwpi_cmd2(struct wpi_softc *sc, struct wpi_buf *buf) 2304173362Sbenjsc{ 2305278366Sadrian struct ieee80211_frame *wh; 2306278366Sadrian struct wpi_tx_cmd *cmd; 2307278366Sadrian struct wpi_tx_data *data; 2308278366Sadrian struct wpi_tx_desc *desc; 2309278366Sadrian struct wpi_tx_ring *ring; 2310278366Sadrian struct mbuf *m1; 2311278366Sadrian bus_dma_segment_t *seg, segs[WPI_MAX_SCATTER]; 2312279763Sadrian int error, i, hdrlen, nsegs, totlen, pad; 2313173362Sbenjsc 2314278366Sadrian WPI_LOCK_ASSERT(sc); 2315173362Sbenjsc 2316280071Sadrian WPI_TXQ_LOCK(sc); 2317280071Sadrian 2318278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2319278366Sadrian 2320280071Sadrian if (sc->txq_active == 0) { 2321280071Sadrian /* wpi_stop() was called */ 2322280071Sadrian error = ENETDOWN; 2323280071Sadrian goto fail; 2324280071Sadrian } 2325280071Sadrian 2326278366Sadrian wh = mtod(buf->m, struct ieee80211_frame *); 2327279763Sadrian hdrlen = ieee80211_anyhdrsize(wh); 2328278366Sadrian totlen = buf->m->m_pkthdr.len; 2329278366Sadrian 2330279763Sadrian if (hdrlen & 3) { 2331279763Sadrian /* First segment length must be a multiple of 4. */ 2332279763Sadrian pad = 4 - (hdrlen & 3); 2333279763Sadrian } else 2334279763Sadrian pad = 0; 2335279763Sadrian 2336278366Sadrian ring = &sc->txq[buf->ac]; 2337278366Sadrian desc = &ring->desc[ring->cur]; 2338278366Sadrian data = &ring->data[ring->cur]; 2339278366Sadrian 2340278366Sadrian /* Prepare TX firmware command. */ 2341278366Sadrian cmd = &ring->cmd[ring->cur]; 2342278366Sadrian cmd->code = buf->code; 2343278366Sadrian cmd->flags = 0; 2344278366Sadrian cmd->qid = ring->qid; 2345278366Sadrian cmd->idx = ring->cur; 2346278366Sadrian 2347278366Sadrian memcpy(cmd->data, buf->data, buf->size); 2348278366Sadrian 2349278366Sadrian /* Save and trim IEEE802.11 header. */ 2350279763Sadrian memcpy((uint8_t *)(cmd->data + buf->size), wh, hdrlen); 2351279763Sadrian m_adj(buf->m, hdrlen); 2352278366Sadrian 2353278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, buf->m, 2354278366Sadrian segs, &nsegs, BUS_DMA_NOWAIT); 2355278366Sadrian if (error != 0 && error != EFBIG) { 2356278366Sadrian device_printf(sc->sc_dev, 2357278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, error); 2358280071Sadrian goto fail; 2359173362Sbenjsc } 2360278366Sadrian if (error != 0) { 2361278366Sadrian /* Too many DMA segments, linearize mbuf. */ 2362280050Sadrian m1 = m_collapse(buf->m, M_NOWAIT, WPI_MAX_SCATTER - 1); 2363278366Sadrian if (m1 == NULL) { 2364278366Sadrian device_printf(sc->sc_dev, 2365278366Sadrian "%s: could not defrag mbuf\n", __func__); 2366280071Sadrian error = ENOBUFS; 2367280071Sadrian goto fail; 2368278366Sadrian } 2369278366Sadrian buf->m = m1; 2370278366Sadrian 2371278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, 2372278366Sadrian buf->m, segs, &nsegs, BUS_DMA_NOWAIT); 2373278366Sadrian if (error != 0) { 2374278366Sadrian device_printf(sc->sc_dev, 2375280066Sadrian "%s: can't map mbuf (error %d)\n", __func__, 2376280066Sadrian error); 2377280071Sadrian goto fail; 2378278366Sadrian } 2379278366Sadrian } 2380278366Sadrian 2381280050Sadrian KASSERT(nsegs < WPI_MAX_SCATTER, 2382280050Sadrian ("too many DMA segments, nsegs (%d) should be less than %d", 2383280050Sadrian nsegs, WPI_MAX_SCATTER)); 2384280050Sadrian 2385278366Sadrian data->m = buf->m; 2386278366Sadrian data->ni = buf->ni; 2387278366Sadrian 2388278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: qid %d idx %d len %d nsegs %d\n", 2389278366Sadrian __func__, ring->qid, ring->cur, totlen, nsegs); 2390278366Sadrian 2391278366Sadrian /* Fill TX descriptor. */ 2392279763Sadrian desc->nsegs = WPI_PAD32(totlen + pad) << 4 | (1 + nsegs); 2393278366Sadrian /* First DMA segment is used by the TX command. */ 2394278366Sadrian desc->segs[0].addr = htole32(data->cmd_paddr); 2395279763Sadrian desc->segs[0].len = htole32(4 + buf->size + hdrlen + pad); 2396278366Sadrian /* Other DMA segments are for data payload. */ 2397278366Sadrian seg = &segs[0]; 2398278366Sadrian for (i = 1; i <= nsegs; i++) { 2399278366Sadrian desc->segs[i].addr = htole32(seg->ds_addr); 2400278366Sadrian desc->segs[i].len = htole32(seg->ds_len); 2401278366Sadrian seg++; 2402278366Sadrian } 2403278366Sadrian 2404278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); 2405278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2406278366Sadrian BUS_DMASYNC_PREWRITE); 2407278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2408278366Sadrian BUS_DMASYNC_PREWRITE); 2409278366Sadrian 2410278366Sadrian /* Kick TX ring. */ 2411278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2412278366Sadrian wpi_update_tx_ring(sc, ring); 2413278366Sadrian 2414280075Sadrian if (ring->qid < WPI_CMD_QUEUE_NUM) { 2415280075Sadrian /* Mark TX ring as full if we reach a certain threshold. */ 2416280075Sadrian if (++ring->queued > WPI_TX_RING_HIMARK) 2417280075Sadrian sc->qfullmsk |= 1 << ring->qid; 2418278366Sadrian 2419280074Sadrian sc->sc_tx_timer = 5; 2420280075Sadrian } 2421280074Sadrian 2422278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2423278366Sadrian 2424280071Sadrian WPI_TXQ_UNLOCK(sc); 2425280071Sadrian 2426278366Sadrian return 0; 2427280071Sadrian 2428280071Sadrianfail: m_freem(buf->m); 2429280071Sadrian 2430280071Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2431280071Sadrian 2432280071Sadrian WPI_TXQ_UNLOCK(sc); 2433280071Sadrian 2434280071Sadrian return error; 2435173362Sbenjsc} 2436173362Sbenjsc 2437173362Sbenjsc/* 2438278366Sadrian * Construct the data packet for a transmit buffer. 2439173362Sbenjsc */ 2440173362Sbenjscstatic int 2441278366Sadrianwpi_tx_data(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2442173362Sbenjsc{ 2443278366Sadrian const struct ieee80211_txparam *tp; 2444178354Ssam struct ieee80211vap *vap = ni->ni_vap; 2445278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2446280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 2447278366Sadrian struct ieee80211_channel *chan; 2448173362Sbenjsc struct ieee80211_frame *wh; 2449278366Sadrian struct ieee80211_key *k = NULL; 2450278366Sadrian struct wpi_cmd_data tx; 2451278366Sadrian struct wpi_buf tx_data; 2452278366Sadrian uint32_t flags; 2453278366Sadrian uint16_t qos; 2454278366Sadrian uint8_t tid, type; 2455280068Sadrian int ac, error, swcrypt, rate, ismcast, totlen; 2456173362Sbenjsc 2457278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2458278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2459278366Sadrian ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 2460173362Sbenjsc 2461278366Sadrian /* Select EDCA Access Category and TX ring for this frame. */ 2462278366Sadrian if (IEEE80211_QOS_HAS_SEQ(wh)) { 2463278366Sadrian qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 2464278366Sadrian tid = qos & IEEE80211_QOS_TID; 2465278366Sadrian } else { 2466278366Sadrian qos = 0; 2467278366Sadrian tid = 0; 2468280059Sadrian } 2469278366Sadrian ac = M_WME_GETAC(m); 2470173362Sbenjsc 2471278366Sadrian chan = (ni->ni_chan != IEEE80211_CHAN_ANYC) ? 2472278366Sadrian ni->ni_chan : ic->ic_curchan; 2473278366Sadrian tp = &vap->iv_txparms[ieee80211_chan2mode(chan)]; 2474173362Sbenjsc 2475278366Sadrian /* Choose a TX rate index. */ 2476278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) 2477278366Sadrian rate = tp->mgmtrate; 2478278366Sadrian else if (ismcast) 2479278366Sadrian rate = tp->mcastrate; 2480278366Sadrian else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2481278366Sadrian rate = tp->ucastrate; 2482278366Sadrian else if (m->m_flags & M_EAPOL) 2483278366Sadrian rate = tp->mgmtrate; 2484278366Sadrian else { 2485278366Sadrian /* XXX pass pktlen */ 2486278366Sadrian (void) ieee80211_ratectl_rate(ni, NULL, 0); 2487278366Sadrian rate = ni->ni_txrate; 2488278366Sadrian } 2489278366Sadrian 2490278366Sadrian /* Encrypt the frame if need be. */ 2491260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2492278366Sadrian /* Retrieve key for TX. */ 2493278366Sadrian k = ieee80211_crypto_encap(ni, m); 2494177043Sthompsa if (k == NULL) { 2495278366Sadrian error = ENOBUFS; 2496278366Sadrian goto fail; 2497173362Sbenjsc } 2498280068Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2499280068Sadrian 2500278366Sadrian /* 802.11 header may have moved. */ 2501278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2502173362Sbenjsc } 2503279763Sadrian totlen = m->m_pkthdr.len; 2504173362Sbenjsc 2505278366Sadrian if (ieee80211_radiotap_active_vap(vap)) { 2506278366Sadrian struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2507173362Sbenjsc 2508279763Sadrian tap->wt_flags = 0; 2509278366Sadrian tap->wt_rate = rate; 2510278366Sadrian if (k != NULL) 2511278366Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2512173362Sbenjsc 2513278366Sadrian ieee80211_radiotap_tx(vap, m); 2514278366Sadrian } 2515278366Sadrian 2516278366Sadrian flags = 0; 2517177119Ssam if (!ismcast) { 2518278366Sadrian /* Unicast frame, check if an ACK is expected. */ 2519278366Sadrian if (!qos || (qos & IEEE80211_QOS_ACKPOLICY) != 2520278366Sadrian IEEE80211_QOS_ACKPOLICY_NOACK) 2521278366Sadrian flags |= WPI_TX_NEED_ACK; 2522278366Sadrian } 2523278366Sadrian 2524278764Sadrian if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) 2525278764Sadrian flags |= WPI_TX_MORE_FRAG; /* Cannot happen yet. */ 2526278764Sadrian 2527278366Sadrian /* Check if frame must be protected using RTS/CTS or CTS-to-self. */ 2528278366Sadrian if (!ismcast) { 2529278366Sadrian /* NB: Group frames are sent using CCK in 802.11b/g. */ 2530278366Sadrian if (totlen + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) { 2531278366Sadrian flags |= WPI_TX_NEED_RTS; 2532278366Sadrian } else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2533278366Sadrian WPI_RATE_IS_OFDM(rate)) { 2534278366Sadrian if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2535278366Sadrian flags |= WPI_TX_NEED_CTS; 2536278366Sadrian else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2537278366Sadrian flags |= WPI_TX_NEED_RTS; 2538177043Sthompsa } 2539278366Sadrian 2540278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2541278366Sadrian flags |= WPI_TX_FULL_TXOP; 2542173362Sbenjsc } 2543278366Sadrian 2544278366Sadrian memset(&tx, 0, sizeof (struct wpi_cmd_data)); 2545278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2546173362Sbenjsc uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2547278366Sadrian 2548278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2549173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2550278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2551173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2552177043Sthompsa subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2553278366Sadrian tx.timeout = htole16(3); 2554173362Sbenjsc else 2555278366Sadrian tx.timeout = htole16(2); 2556177043Sthompsa } 2557173362Sbenjsc 2558278366Sadrian if (ismcast || type != IEEE80211_FC0_TYPE_DATA) 2559278366Sadrian tx.id = WPI_ID_BROADCAST; 2560278366Sadrian else { 2561278366Sadrian if (wn->id == WPI_ID_UNDEFINED && 2562278366Sadrian (vap->iv_opmode == IEEE80211_M_IBSS || 2563278366Sadrian vap->iv_opmode == IEEE80211_M_AHDEMO)) { 2564280077Sadrian WPI_NT_LOCK(sc); 2565278366Sadrian error = wpi_add_ibss_node(sc, ni); 2566280077Sadrian WPI_NT_UNLOCK(sc); 2567278366Sadrian if (error != 0) { 2568278366Sadrian device_printf(sc->sc_dev, 2569278366Sadrian "%s: could not add IBSS node, error %d\n", 2570278366Sadrian __func__, error); 2571278366Sadrian goto fail; 2572278366Sadrian } 2573278366Sadrian } 2574173362Sbenjsc 2575278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 2576278366Sadrian device_printf(sc->sc_dev, 2577278366Sadrian "%s: undefined node id\n", __func__); 2578278366Sadrian error = EINVAL; 2579278366Sadrian goto fail; 2580278366Sadrian } 2581278366Sadrian 2582278366Sadrian tx.id = wn->id; 2583278366Sadrian } 2584278366Sadrian 2585278366Sadrian if (type != IEEE80211_FC0_TYPE_MGT) 2586278366Sadrian tx.data_ntries = tp->maxretry; 2587278366Sadrian 2588280068Sadrian if (k != NULL && !swcrypt) { 2589280068Sadrian switch (k->wk_cipher->ic_cipher) { 2590280068Sadrian case IEEE80211_CIPHER_AES_CCM: 2591280068Sadrian tx.security = WPI_CIPHER_CCMP; 2592280068Sadrian break; 2593280068Sadrian 2594280068Sadrian default: 2595280068Sadrian break; 2596280068Sadrian } 2597280068Sadrian 2598280068Sadrian memcpy(tx.key, k->wk_key, k->wk_keylen); 2599280068Sadrian } 2600280068Sadrian 2601278366Sadrian tx.len = htole16(totlen); 2602278366Sadrian tx.flags = htole32(flags); 2603278366Sadrian tx.plcp = rate2plcp(rate); 2604278366Sadrian tx.tid = tid; 2605278366Sadrian tx.lifetime = htole32(WPI_LIFETIME_INFINITE); 2606278366Sadrian tx.ofdm_mask = 0xff; 2607278366Sadrian tx.cck_mask = 0x0f; 2608278366Sadrian tx.rts_ntries = 7; 2609278366Sadrian 2610278366Sadrian tx_data.data = &tx; 2611278366Sadrian tx_data.ni = ni; 2612278366Sadrian tx_data.m = m; 2613278366Sadrian tx_data.size = sizeof(tx); 2614278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2615278366Sadrian tx_data.ac = ac; 2616278366Sadrian 2617278366Sadrian return wpi_cmd2(sc, &tx_data); 2618278366Sadrian 2619278366Sadrianfail: m_freem(m); 2620278366Sadrian return error; 2621278366Sadrian} 2622278366Sadrian 2623278366Sadrianstatic int 2624280066Sadrianwpi_tx_data_raw(struct wpi_softc *sc, struct mbuf *m, 2625280066Sadrian struct ieee80211_node *ni, const struct ieee80211_bpf_params *params) 2626278366Sadrian{ 2627278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 2628278366Sadrian struct ieee80211_frame *wh; 2629278366Sadrian struct wpi_cmd_data tx; 2630278366Sadrian struct wpi_buf tx_data; 2631278366Sadrian uint32_t flags; 2632278366Sadrian uint8_t type; 2633279763Sadrian int ac, rate, totlen; 2634278366Sadrian 2635278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2636278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2637279763Sadrian totlen = m->m_pkthdr.len; 2638278366Sadrian 2639278366Sadrian ac = params->ibp_pri & 3; 2640278366Sadrian 2641278366Sadrian /* Choose a TX rate index. */ 2642278366Sadrian rate = params->ibp_rate0; 2643278366Sadrian 2644278366Sadrian flags = 0; 2645278366Sadrian if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2646278366Sadrian flags |= WPI_TX_NEED_ACK; 2647278366Sadrian if (params->ibp_flags & IEEE80211_BPF_RTS) 2648278366Sadrian flags |= WPI_TX_NEED_RTS; 2649278366Sadrian if (params->ibp_flags & IEEE80211_BPF_CTS) 2650278366Sadrian flags |= WPI_TX_NEED_CTS; 2651278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2652278366Sadrian flags |= WPI_TX_FULL_TXOP; 2653278366Sadrian 2654192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2655177043Sthompsa struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2656278366Sadrian 2657177043Sthompsa tap->wt_flags = 0; 2658177043Sthompsa tap->wt_rate = rate; 2659178354Ssam 2660278366Sadrian ieee80211_radiotap_tx(vap, m); 2661177043Sthompsa } 2662173362Sbenjsc 2663278366Sadrian memset(&tx, 0, sizeof (struct wpi_cmd_data)); 2664278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2665278366Sadrian uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2666173362Sbenjsc 2667278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2668278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2669278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2670278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2671278366Sadrian subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2672278366Sadrian tx.timeout = htole16(3); 2673278366Sadrian else 2674278366Sadrian tx.timeout = htole16(2); 2675173362Sbenjsc } 2676173362Sbenjsc 2677278366Sadrian tx.len = htole16(totlen); 2678278366Sadrian tx.flags = htole32(flags); 2679278366Sadrian tx.plcp = rate2plcp(rate); 2680278366Sadrian tx.id = WPI_ID_BROADCAST; 2681278366Sadrian tx.lifetime = htole32(WPI_LIFETIME_INFINITE); 2682278366Sadrian tx.rts_ntries = params->ibp_try1; 2683278366Sadrian tx.data_ntries = params->ibp_try0; 2684278366Sadrian 2685278366Sadrian tx_data.data = &tx; 2686278366Sadrian tx_data.ni = ni; 2687278366Sadrian tx_data.m = m; 2688278366Sadrian tx_data.size = sizeof(tx); 2689278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2690278366Sadrian tx_data.ac = ac; 2691278366Sadrian 2692278366Sadrian return wpi_cmd2(sc, &tx_data); 2693278366Sadrian} 2694278366Sadrian 2695278366Sadrianstatic int 2696278366Sadrianwpi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2697278366Sadrian const struct ieee80211_bpf_params *params) 2698278366Sadrian{ 2699278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2700278366Sadrian struct ifnet *ifp = ic->ic_ifp; 2701278366Sadrian struct wpi_softc *sc = ifp->if_softc; 2702278366Sadrian int error = 0; 2703278366Sadrian 2704278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2705278366Sadrian 2706278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2707278366Sadrian ieee80211_free_node(ni); 2708278366Sadrian m_freem(m); 2709278366Sadrian return ENETDOWN; 2710173362Sbenjsc } 2711173362Sbenjsc 2712278366Sadrian WPI_LOCK(sc); 2713278366Sadrian if (params == NULL) { 2714278366Sadrian /* 2715278366Sadrian * Legacy path; interpret frame contents to decide 2716278366Sadrian * precisely how to send the frame. 2717278366Sadrian */ 2718278366Sadrian error = wpi_tx_data(sc, m, ni); 2719278366Sadrian } else { 2720278366Sadrian /* 2721278366Sadrian * Caller supplied explicit parameters to use in 2722278366Sadrian * sending the frame. 2723278366Sadrian */ 2724278366Sadrian error = wpi_tx_data_raw(sc, m, ni, params); 2725278366Sadrian } 2726278366Sadrian WPI_UNLOCK(sc); 2727173362Sbenjsc 2728278366Sadrian if (error != 0) { 2729278366Sadrian /* NB: m is reclaimed on tx failure */ 2730278366Sadrian ieee80211_free_node(ni); 2731278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2732173362Sbenjsc 2733278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2734278366Sadrian 2735278366Sadrian return error; 2736173362Sbenjsc } 2737173362Sbenjsc 2738278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2739173362Sbenjsc 2740173362Sbenjsc return 0; 2741173362Sbenjsc} 2742173362Sbenjsc 2743173362Sbenjsc/** 2744173362Sbenjsc * Process data waiting to be sent on the IFNET output queue 2745173362Sbenjsc */ 2746173362Sbenjscstatic void 2747173362Sbenjscwpi_start(struct ifnet *ifp) 2748173362Sbenjsc{ 2749173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2750178354Ssam 2751178354Ssam WPI_LOCK(sc); 2752178354Ssam wpi_start_locked(ifp); 2753178354Ssam WPI_UNLOCK(sc); 2754178354Ssam} 2755178354Ssam 2756178354Ssamstatic void 2757178354Ssamwpi_start_locked(struct ifnet *ifp) 2758178354Ssam{ 2759178354Ssam struct wpi_softc *sc = ifp->if_softc; 2760173362Sbenjsc struct ieee80211_node *ni; 2761178354Ssam struct mbuf *m; 2762173362Sbenjsc 2763178354Ssam WPI_LOCK_ASSERT(sc); 2764178354Ssam 2765278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: called\n", __func__); 2766278366Sadrian 2767278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 || 2768278366Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) 2769177043Sthompsa return; 2770173362Sbenjsc 2771173362Sbenjsc for (;;) { 2772278366Sadrian if (sc->qfullmsk != 0) { 2773278366Sadrian ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2774278366Sadrian break; 2775278366Sadrian } 2776190458Sjmallett IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2777178354Ssam if (m == NULL) 2778178354Ssam break; 2779278366Sadrian ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2780278366Sadrian if (wpi_tx_data(sc, m, ni) != 0) { 2781278366Sadrian WPI_UNLOCK(sc); 2782178354Ssam ieee80211_free_node(ni); 2783278366Sadrian WPI_LOCK(sc); 2784271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2785280074Sadrian } 2786178354Ssam } 2787278366Sadrian 2788278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: done\n", __func__); 2789178354Ssam} 2790173362Sbenjsc 2791278366Sadrianstatic void 2792278366Sadrianwpi_watchdog_rfkill(void *arg) 2793178354Ssam{ 2794278366Sadrian struct wpi_softc *sc = arg; 2795278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2796278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2797173362Sbenjsc 2798278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "RFkill Watchdog: tick\n"); 2799278366Sadrian 2800278366Sadrian /* No need to lock firmware memory. */ 2801278366Sadrian if ((wpi_prph_read(sc, WPI_APMG_RFKILL) & 0x1) == 0) { 2802278366Sadrian /* Radio kill switch is still off. */ 2803278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 2804278366Sadrian sc); 2805278366Sadrian } else 2806278366Sadrian ieee80211_runtask(ic, &sc->sc_radioon_task); 2807278366Sadrian} 2808278366Sadrian 2809278366Sadrian/** 2810278366Sadrian * Called every second, wpi_watchdog used by the watch dog timer 2811278366Sadrian * to check that the card is still alive 2812278366Sadrian */ 2813278366Sadrianstatic void 2814278366Sadrianwpi_watchdog(void *arg) 2815278366Sadrian{ 2816278366Sadrian struct wpi_softc *sc = arg; 2817278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2818278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2819278366Sadrian 2820278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "Watchdog: tick\n"); 2821278366Sadrian 2822278366Sadrian if (sc->sc_tx_timer > 0) { 2823278366Sadrian if (--sc->sc_tx_timer == 0) { 2824278366Sadrian if_printf(ifp, "device timeout\n"); 2825278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2826278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2827278366Sadrian } 2828178354Ssam } 2829173362Sbenjsc 2830278366Sadrian if (sc->sc_scan_timer > 0) { 2831278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2832278366Sadrian if (--sc->sc_scan_timer == 0 && vap != NULL) { 2833278366Sadrian if_printf(ifp, "scan timeout\n"); 2834278366Sadrian ieee80211_cancel_scan(vap); 2835278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2836278366Sadrian } 2837178354Ssam } 2838173362Sbenjsc 2839278366Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2840278366Sadrian callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 2841173362Sbenjsc} 2842173362Sbenjsc 2843173362Sbenjscstatic int 2844173362Sbenjscwpi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 2845173362Sbenjsc{ 2846173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2847178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2848278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2849178354Ssam struct ifreq *ifr = (struct ifreq *) data; 2850278366Sadrian int error = 0, startall = 0, stop = 0; 2851173362Sbenjsc 2852173362Sbenjsc switch (cmd) { 2853278366Sadrian case SIOCGIFADDR: 2854278366Sadrian error = ether_ioctl(ifp, cmd, data); 2855278366Sadrian break; 2856173362Sbenjsc case SIOCSIFFLAGS: 2857178704Sthompsa WPI_LOCK(sc); 2858278366Sadrian if (ifp->if_flags & IFF_UP) { 2859178354Ssam if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2860278366Sadrian wpi_init_locked(sc); 2861278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & 2862278366Sadrian WPI_GP_CNTRL_RFKILL) 2863278366Sadrian startall = 1; 2864278366Sadrian else 2865278366Sadrian stop = 1; 2866178354Ssam } 2867278366Sadrian } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2868173362Sbenjsc wpi_stop_locked(sc); 2869178704Sthompsa WPI_UNLOCK(sc); 2870178704Sthompsa if (startall) 2871178704Sthompsa ieee80211_start_all(ic); 2872278366Sadrian else if (vap != NULL && stop) 2873278366Sadrian ieee80211_stop(vap); 2874173362Sbenjsc break; 2875178354Ssam case SIOCGIFMEDIA: 2876178354Ssam error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2877178354Ssam break; 2878178704Sthompsa default: 2879178704Sthompsa error = EINVAL; 2880178704Sthompsa break; 2881173362Sbenjsc } 2882173362Sbenjsc return error; 2883173362Sbenjsc} 2884173362Sbenjsc 2885173362Sbenjsc/* 2886173362Sbenjsc * Send a command to the firmware. 2887173362Sbenjsc */ 2888173362Sbenjscstatic int 2889278366Sadrianwpi_cmd(struct wpi_softc *sc, int code, const void *buf, size_t size, 2890278366Sadrian int async) 2891173362Sbenjsc{ 2892280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 2893173362Sbenjsc struct wpi_tx_desc *desc; 2894278366Sadrian struct wpi_tx_data *data; 2895173362Sbenjsc struct wpi_tx_cmd *cmd; 2896278366Sadrian struct mbuf *m; 2897278366Sadrian bus_addr_t paddr; 2898278366Sadrian int totlen, error; 2899173362Sbenjsc 2900280071Sadrian WPI_TXQ_LOCK(sc); 2901280071Sadrian 2902278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2903278366Sadrian 2904280071Sadrian if (sc->txq_active == 0) { 2905280071Sadrian /* wpi_stop() was called */ 2906280071Sadrian error = 0; 2907280071Sadrian goto fail; 2908280071Sadrian } 2909280071Sadrian 2910278366Sadrian if (async == 0) 2911173362Sbenjsc WPI_LOCK_ASSERT(sc); 2912173362Sbenjsc 2913278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "wpi_cmd %s size %zu async %d\n", 2914278366Sadrian wpi_cmd_str(code), size, async); 2915173362Sbenjsc 2916173362Sbenjsc desc = &ring->desc[ring->cur]; 2917278366Sadrian data = &ring->data[ring->cur]; 2918278366Sadrian totlen = 4 + size; 2919173362Sbenjsc 2920278366Sadrian if (size > sizeof cmd->data) { 2921278366Sadrian /* Command is too large to fit in a descriptor. */ 2922280071Sadrian if (totlen > MCLBYTES) { 2923280071Sadrian error = EINVAL; 2924280071Sadrian goto fail; 2925280071Sadrian } 2926278366Sadrian m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 2927280071Sadrian if (m == NULL) { 2928280071Sadrian error = ENOMEM; 2929280071Sadrian goto fail; 2930280071Sadrian } 2931278366Sadrian cmd = mtod(m, struct wpi_tx_cmd *); 2932278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, cmd, 2933278366Sadrian totlen, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 2934278366Sadrian if (error != 0) { 2935278366Sadrian m_freem(m); 2936280071Sadrian goto fail; 2937278366Sadrian } 2938278366Sadrian data->m = m; 2939278366Sadrian } else { 2940278366Sadrian cmd = &ring->cmd[ring->cur]; 2941278366Sadrian paddr = data->cmd_paddr; 2942278366Sadrian } 2943278366Sadrian 2944173362Sbenjsc cmd->code = code; 2945173362Sbenjsc cmd->flags = 0; 2946173362Sbenjsc cmd->qid = ring->qid; 2947173362Sbenjsc cmd->idx = ring->cur; 2948173362Sbenjsc memcpy(cmd->data, buf, size); 2949173362Sbenjsc 2950278366Sadrian desc->nsegs = 1 + (WPI_PAD32(size) << 4); 2951278366Sadrian desc->segs[0].addr = htole32(paddr); 2952278366Sadrian desc->segs[0].len = htole32(totlen); 2953173362Sbenjsc 2954278366Sadrian if (size > sizeof cmd->data) { 2955278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 2956278366Sadrian BUS_DMASYNC_PREWRITE); 2957278366Sadrian } else { 2958278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2959278366Sadrian BUS_DMASYNC_PREWRITE); 2960278366Sadrian } 2961278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2962278366Sadrian BUS_DMASYNC_PREWRITE); 2963173362Sbenjsc 2964278366Sadrian /* Kick command ring. */ 2965278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2966278366Sadrian wpi_update_tx_ring(sc, ring); 2967278366Sadrian 2968278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2969278366Sadrian 2970280071Sadrian WPI_TXQ_UNLOCK(sc); 2971280071Sadrian 2972280072Sadrian if (async) 2973173362Sbenjsc return 0; 2974173362Sbenjsc 2975280062Sadrian return mtx_sleep(cmd, &sc->sc_mtx, PCATCH, "wpicmd", hz); 2976280071Sadrian 2977280071Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2978280071Sadrian 2979280071Sadrian WPI_TXQ_UNLOCK(sc); 2980280071Sadrian 2981280071Sadrian return error; 2982173362Sbenjsc} 2983173362Sbenjsc 2984173362Sbenjsc/* 2985278366Sadrian * Configure HW multi-rate retries. 2986173362Sbenjsc */ 2987173362Sbenjscstatic int 2988173362Sbenjscwpi_mrr_setup(struct wpi_softc *sc) 2989173362Sbenjsc{ 2990178354Ssam struct ifnet *ifp = sc->sc_ifp; 2991178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2992173362Sbenjsc struct wpi_mrr_setup mrr; 2993173362Sbenjsc int i, error; 2994173362Sbenjsc 2995278366Sadrian /* CCK rates (not used with 802.11a). */ 2996278366Sadrian for (i = WPI_RIDX_CCK1; i <= WPI_RIDX_CCK11; i++) { 2997173362Sbenjsc mrr.rates[i].flags = 0; 2998278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 2999278366Sadrian /* Fallback to the immediate lower CCK rate (if any.) */ 3000278366Sadrian mrr.rates[i].next = 3001278366Sadrian (i == WPI_RIDX_CCK1) ? WPI_RIDX_CCK1 : i - 1; 3002278366Sadrian /* Try one time at this rate before falling back to "next". */ 3003173362Sbenjsc mrr.rates[i].ntries = 1; 3004173362Sbenjsc } 3005278366Sadrian /* OFDM rates (not used with 802.11b). */ 3006278366Sadrian for (i = WPI_RIDX_OFDM6; i <= WPI_RIDX_OFDM54; i++) { 3007173362Sbenjsc mrr.rates[i].flags = 0; 3008278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3009278366Sadrian /* Fallback to the immediate lower rate (if any.) */ 3010278366Sadrian /* We allow fallback from OFDM/6 to CCK/2 in 11b/g mode. */ 3011278366Sadrian mrr.rates[i].next = (i == WPI_RIDX_OFDM6) ? 3012173362Sbenjsc ((ic->ic_curmode == IEEE80211_MODE_11A) ? 3013278366Sadrian WPI_RIDX_OFDM6 : WPI_RIDX_CCK2) : 3014173362Sbenjsc i - 1; 3015278366Sadrian /* Try one time at this rate before falling back to "next". */ 3016173362Sbenjsc mrr.rates[i].ntries = 1; 3017173362Sbenjsc } 3018278366Sadrian /* Setup MRR for control frames. */ 3019278366Sadrian mrr.which = htole32(WPI_MRR_CTL); 3020173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3021173362Sbenjsc if (error != 0) { 3022173362Sbenjsc device_printf(sc->sc_dev, 3023173362Sbenjsc "could not setup MRR for control frames\n"); 3024173362Sbenjsc return error; 3025173362Sbenjsc } 3026278366Sadrian /* Setup MRR for data frames. */ 3027278366Sadrian mrr.which = htole32(WPI_MRR_DATA); 3028173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3029173362Sbenjsc if (error != 0) { 3030173362Sbenjsc device_printf(sc->sc_dev, 3031173362Sbenjsc "could not setup MRR for data frames\n"); 3032173362Sbenjsc return error; 3033173362Sbenjsc } 3034173362Sbenjsc return 0; 3035173362Sbenjsc} 3036173362Sbenjsc 3037278366Sadrianstatic int 3038278366Sadrianwpi_add_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3039278366Sadrian{ 3040278366Sadrian struct ieee80211com *ic = ni->ni_ic; 3041280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3042278366Sadrian struct wpi_node_info node; 3043278366Sadrian 3044278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3045278366Sadrian 3046278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 3047278366Sadrian return EINVAL; 3048278366Sadrian 3049278366Sadrian memset(&node, 0, sizeof node); 3050279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3051278366Sadrian node.id = wn->id; 3052278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3053278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3054278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3055278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3056278366Sadrian 3057278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 3058278366Sadrian} 3059278366Sadrian 3060278366Sadrian/* 3061278366Sadrian * Broadcast node is used to send group-addressed and management frames. 3062278366Sadrian */ 3063278366Sadrianstatic int 3064278366Sadrianwpi_add_broadcast_node(struct wpi_softc *sc, int async) 3065278366Sadrian{ 3066278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3067278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3068278366Sadrian struct wpi_node_info node; 3069278366Sadrian 3070278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3071278366Sadrian 3072278366Sadrian memset(&node, 0, sizeof node); 3073278366Sadrian IEEE80211_ADDR_COPY(node.macaddr, ifp->if_broadcastaddr); 3074278366Sadrian node.id = WPI_ID_BROADCAST; 3075278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3076278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3077278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3078278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3079278366Sadrian 3080278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, async); 3081278366Sadrian} 3082278366Sadrian 3083278366Sadrianstatic int 3084280070Sadrianwpi_add_sta_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3085280070Sadrian{ 3086280070Sadrian struct wpi_node *wn = WPI_NODE(ni); 3087280070Sadrian int error; 3088280070Sadrian 3089280070Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3090280070Sadrian 3091280070Sadrian wn->id = wpi_add_node_entry_sta(sc); 3092280070Sadrian 3093280070Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3094280070Sadrian wpi_del_node_entry(sc, wn->id); 3095280070Sadrian wn->id = WPI_ID_UNDEFINED; 3096280070Sadrian return error; 3097280070Sadrian } 3098280070Sadrian 3099280070Sadrian return 0; 3100280070Sadrian} 3101280070Sadrian 3102280070Sadrianstatic int 3103278366Sadrianwpi_add_ibss_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3104278366Sadrian{ 3105280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3106280069Sadrian int error; 3107278366Sadrian 3108278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3109278366Sadrian 3110278366Sadrian if (wn->id != WPI_ID_UNDEFINED) 3111278366Sadrian return EINVAL; 3112278366Sadrian 3113280069Sadrian if ((wn->id = wpi_add_node_entry_adhoc(sc)) == WPI_ID_UNDEFINED) { 3114280069Sadrian device_printf(sc->sc_dev, "%s: h/w table is full\n", __func__); 3115280069Sadrian return ENOMEM; 3116280069Sadrian } 3117278366Sadrian 3118280069Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3119280069Sadrian wpi_del_node_entry(sc, wn->id); 3120280069Sadrian wn->id = WPI_ID_UNDEFINED; 3121280069Sadrian return error; 3122280069Sadrian } 3123278366Sadrian 3124280069Sadrian return 0; 3125278366Sadrian} 3126278366Sadrian 3127173362Sbenjscstatic void 3128278366Sadrianwpi_del_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3129278366Sadrian{ 3130280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3131278366Sadrian struct wpi_cmd_del_node node; 3132278366Sadrian int error; 3133278366Sadrian 3134278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3135278366Sadrian 3136278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 3137278366Sadrian device_printf(sc->sc_dev, "%s: undefined node id passed\n", 3138278366Sadrian __func__); 3139278366Sadrian return; 3140278366Sadrian } 3141278366Sadrian 3142278366Sadrian memset(&node, 0, sizeof node); 3143279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3144278366Sadrian node.count = 1; 3145278366Sadrian 3146278366Sadrian error = wpi_cmd(sc, WPI_CMD_DEL_NODE, &node, sizeof node, 1); 3147278366Sadrian if (error != 0) { 3148278366Sadrian device_printf(sc->sc_dev, 3149278366Sadrian "%s: could not delete node %u, error %d\n", __func__, 3150278366Sadrian wn->id, error); 3151278366Sadrian } 3152278366Sadrian} 3153278366Sadrian 3154278366Sadrianstatic int 3155278366Sadrianwpi_updateedca(struct ieee80211com *ic) 3156278366Sadrian{ 3157278366Sadrian#define WPI_EXP2(x) ((1 << (x)) - 1) /* CWmin = 2^ECWmin - 1 */ 3158278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 3159278366Sadrian struct wpi_edca_params cmd; 3160278366Sadrian int aci, error; 3161278366Sadrian 3162278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3163278366Sadrian 3164278366Sadrian memset(&cmd, 0, sizeof cmd); 3165278366Sadrian cmd.flags = htole32(WPI_EDCA_UPDATE); 3166278366Sadrian for (aci = 0; aci < WME_NUM_AC; aci++) { 3167278366Sadrian const struct wmeParams *ac = 3168278366Sadrian &ic->ic_wme.wme_chanParams.cap_wmeParams[aci]; 3169278366Sadrian cmd.ac[aci].aifsn = ac->wmep_aifsn; 3170278366Sadrian cmd.ac[aci].cwmin = htole16(WPI_EXP2(ac->wmep_logcwmin)); 3171278366Sadrian cmd.ac[aci].cwmax = htole16(WPI_EXP2(ac->wmep_logcwmax)); 3172278366Sadrian cmd.ac[aci].txoplimit = 3173278366Sadrian htole16(IEEE80211_TXOP_TO_US(ac->wmep_txopLimit)); 3174278366Sadrian 3175278366Sadrian DPRINTF(sc, WPI_DEBUG_EDCA, 3176278366Sadrian "setting WME for queue %d aifsn=%d cwmin=%d cwmax=%d " 3177278366Sadrian "txoplimit=%d\n", aci, cmd.ac[aci].aifsn, 3178278366Sadrian cmd.ac[aci].cwmin, cmd.ac[aci].cwmax, 3179278366Sadrian cmd.ac[aci].txoplimit); 3180278366Sadrian } 3181278366Sadrian error = wpi_cmd(sc, WPI_CMD_EDCA_PARAMS, &cmd, sizeof cmd, 1); 3182278366Sadrian 3183278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3184278366Sadrian 3185278366Sadrian return error; 3186278366Sadrian#undef WPI_EXP2 3187278366Sadrian} 3188278366Sadrian 3189278366Sadrianstatic void 3190278366Sadrianwpi_set_promisc(struct wpi_softc *sc) 3191278366Sadrian{ 3192278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3193278366Sadrian uint32_t promisc_filter; 3194278366Sadrian 3195278366Sadrian promisc_filter = WPI_FILTER_PROMISC | WPI_FILTER_CTL; 3196278366Sadrian 3197278366Sadrian if (ifp->if_flags & IFF_PROMISC) 3198278366Sadrian sc->rxon.filter |= htole32(promisc_filter); 3199278366Sadrian else 3200278366Sadrian sc->rxon.filter &= ~htole32(promisc_filter); 3201278366Sadrian} 3202278366Sadrian 3203278366Sadrianstatic void 3204278366Sadrianwpi_update_promisc(struct ifnet *ifp) 3205278366Sadrian{ 3206278366Sadrian struct wpi_softc *sc = ifp->if_softc; 3207278366Sadrian 3208280074Sadrian WPI_LOCK(sc); 3209278366Sadrian wpi_set_promisc(sc); 3210278366Sadrian 3211278366Sadrian if (wpi_send_rxon(sc, 1, 1) != 0) { 3212278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3213278366Sadrian __func__); 3214278366Sadrian } 3215278366Sadrian WPI_UNLOCK(sc); 3216278366Sadrian} 3217278366Sadrian 3218278366Sadrianstatic void 3219278366Sadrianwpi_update_mcast(struct ifnet *ifp) 3220278366Sadrian{ 3221278366Sadrian /* Ignore */ 3222278366Sadrian} 3223278366Sadrian 3224278366Sadrianstatic void 3225173362Sbenjscwpi_set_led(struct wpi_softc *sc, uint8_t which, uint8_t off, uint8_t on) 3226173362Sbenjsc{ 3227173362Sbenjsc struct wpi_cmd_led led; 3228173362Sbenjsc 3229278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3230278366Sadrian 3231173362Sbenjsc led.which = which; 3232173362Sbenjsc led.unit = htole32(100000); /* on/off in unit of 100ms */ 3233173362Sbenjsc led.off = off; 3234173362Sbenjsc led.on = on; 3235173362Sbenjsc (void)wpi_cmd(sc, WPI_CMD_SET_LED, &led, sizeof led, 1); 3236173362Sbenjsc} 3237173362Sbenjsc 3238278366Sadrianstatic int 3239278366Sadrianwpi_set_timing(struct wpi_softc *sc, struct ieee80211_node *ni) 3240173362Sbenjsc{ 3241278366Sadrian struct wpi_cmd_timing cmd; 3242173362Sbenjsc uint64_t val, mod; 3243173362Sbenjsc 3244278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3245173362Sbenjsc 3246278366Sadrian memset(&cmd, 0, sizeof cmd); 3247278366Sadrian memcpy(&cmd.tstamp, ni->ni_tstamp.data, sizeof (uint64_t)); 3248278366Sadrian cmd.bintval = htole16(ni->ni_intval); 3249278366Sadrian cmd.lintval = htole16(10); 3250173362Sbenjsc 3251278366Sadrian /* Compute remaining time until next beacon. */ 3252278366Sadrian val = (uint64_t)ni->ni_intval * IEEE80211_DUR_TU; 3253278366Sadrian mod = le64toh(cmd.tstamp) % val; 3254278366Sadrian cmd.binitval = htole32((uint32_t)(val - mod)); 3255278366Sadrian 3256278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "timing bintval=%u tstamp=%ju, init=%u\n", 3257278366Sadrian ni->ni_intval, le64toh(cmd.tstamp), (uint32_t)(val - mod)); 3258278366Sadrian 3259278366Sadrian return wpi_cmd(sc, WPI_CMD_TIMING, &cmd, sizeof cmd, 1); 3260173362Sbenjsc} 3261173362Sbenjsc 3262173362Sbenjsc/* 3263278366Sadrian * This function is called periodically (every 60 seconds) to adjust output 3264278366Sadrian * power to temperature changes. 3265173362Sbenjsc */ 3266278366Sadrianstatic void 3267278366Sadrianwpi_power_calibration(struct wpi_softc *sc) 3268278366Sadrian{ 3269278366Sadrian int temp; 3270278366Sadrian 3271278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3272278366Sadrian 3273278366Sadrian /* Update sensor data. */ 3274278366Sadrian temp = (int)WPI_READ(sc, WPI_UCODE_GP2); 3275278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "Temp in calibration is: %d\n", temp); 3276278366Sadrian 3277278366Sadrian /* Sanity-check read value. */ 3278278366Sadrian if (temp < -260 || temp > 25) { 3279278366Sadrian /* This can't be correct, ignore. */ 3280278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3281278366Sadrian "out-of-range temperature reported: %d\n", temp); 3282278366Sadrian return; 3283278366Sadrian } 3284278366Sadrian 3285278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d->%d\n", sc->temp, temp); 3286278366Sadrian 3287278366Sadrian /* Adjust Tx power if need be. */ 3288278366Sadrian if (abs(temp - sc->temp) <= 6) 3289278366Sadrian return; 3290278366Sadrian 3291278366Sadrian sc->temp = temp; 3292278366Sadrian 3293278366Sadrian if (wpi_set_txpower(sc, 1) != 0) { 3294278366Sadrian /* just warn, too bad for the automatic calibration... */ 3295278366Sadrian device_printf(sc->sc_dev,"could not adjust Tx power\n"); 3296278366Sadrian } 3297278366Sadrian} 3298278366Sadrian 3299278366Sadrian/* 3300278366Sadrian * Set TX power for current channel. 3301278366Sadrian */ 3302173362Sbenjscstatic int 3303278366Sadrianwpi_set_txpower(struct wpi_softc *sc, int async) 3304173362Sbenjsc{ 3305280067Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3306278366Sadrian struct ieee80211_channel *ch; 3307278366Sadrian struct wpi_power_group *group; 3308278366Sadrian struct wpi_cmd_txpower cmd; 3309278366Sadrian uint8_t chan; 3310278366Sadrian int idx, i; 3311173362Sbenjsc 3312278366Sadrian /* Retrieve current channel from last RXON. */ 3313278366Sadrian chan = sc->rxon.chan; 3314278366Sadrian ch = &ic->ic_channels[chan]; 3315173362Sbenjsc 3316278366Sadrian /* Find the TX power group to which this channel belongs. */ 3317278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3318278366Sadrian for (group = &sc->groups[1]; group < &sc->groups[4]; group++) 3319278366Sadrian if (chan <= group->chan) 3320278366Sadrian break; 3321278366Sadrian } else 3322278366Sadrian group = &sc->groups[0]; 3323278366Sadrian 3324278366Sadrian memset(&cmd, 0, sizeof cmd); 3325278366Sadrian cmd.band = IEEE80211_IS_CHAN_5GHZ(ch) ? 0 : 1; 3326278366Sadrian cmd.chan = htole16(chan); 3327278366Sadrian 3328278366Sadrian /* Set TX power for all OFDM and CCK rates. */ 3329278366Sadrian for (i = 0; i <= WPI_RIDX_MAX ; i++) { 3330278366Sadrian /* Retrieve TX power for this channel/rate. */ 3331278366Sadrian idx = wpi_get_power_index(sc, group, ch, i); 3332278366Sadrian 3333278366Sadrian cmd.rates[i].plcp = wpi_ridx_to_plcp[i]; 3334278366Sadrian 3335278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3336278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_5ghz[idx]; 3337278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_5ghz[idx]; 3338278366Sadrian } else { 3339278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_2ghz[idx]; 3340278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_2ghz[idx]; 3341278366Sadrian } 3342278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3343278366Sadrian "chan %d/ridx %d: power index %d\n", chan, i, idx); 3344173362Sbenjsc } 3345173362Sbenjsc 3346278366Sadrian return wpi_cmd(sc, WPI_CMD_TXPOWER, &cmd, sizeof cmd, async); 3347278366Sadrian} 3348173362Sbenjsc 3349278366Sadrian/* 3350278366Sadrian * Determine Tx power index for a given channel/rate combination. 3351278366Sadrian * This takes into account the regulatory information from EEPROM and the 3352278366Sadrian * current temperature. 3353278366Sadrian */ 3354278366Sadrianstatic int 3355278366Sadrianwpi_get_power_index(struct wpi_softc *sc, struct wpi_power_group *group, 3356278366Sadrian struct ieee80211_channel *c, int ridx) 3357278366Sadrian{ 3358278366Sadrian/* Fixed-point arithmetic division using a n-bit fractional part. */ 3359280059Sadrian#define fdivround(a, b, n) \ 3360278366Sadrian ((((1 << n) * (a)) / (b) + (1 << n) / 2) / (1 << n)) 3361173362Sbenjsc 3362278366Sadrian/* Linear interpolation. */ 3363280059Sadrian#define interpolate(x, x1, y1, x2, y2, n) \ 3364278366Sadrian ((y1) + fdivround(((x) - (x1)) * ((y2) - (y1)), (x2) - (x1), n)) 3365173362Sbenjsc 3366280067Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3367278366Sadrian struct wpi_power_sample *sample; 3368278366Sadrian int pwr, idx; 3369278366Sadrian u_int chan; 3370278366Sadrian 3371278366Sadrian /* Get channel number. */ 3372278366Sadrian chan = ieee80211_chan2ieee(ic, c); 3373278366Sadrian 3374278366Sadrian /* Default TX power is group maximum TX power minus 3dB. */ 3375278366Sadrian pwr = group->maxpwr / 2; 3376278366Sadrian 3377278366Sadrian /* Decrease TX power for highest OFDM rates to reduce distortion. */ 3378278366Sadrian switch (ridx) { 3379278366Sadrian case WPI_RIDX_OFDM36: 3380278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 0 : 5; 3381278366Sadrian break; 3382278366Sadrian case WPI_RIDX_OFDM48: 3383278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 7 : 10; 3384278366Sadrian break; 3385278366Sadrian case WPI_RIDX_OFDM54: 3386278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 9 : 12; 3387278366Sadrian break; 3388173362Sbenjsc } 3389173362Sbenjsc 3390278366Sadrian /* Never exceed the channel maximum allowed TX power. */ 3391278366Sadrian pwr = min(pwr, sc->maxpwr[chan]); 3392173362Sbenjsc 3393278366Sadrian /* Retrieve TX power index into gain tables from samples. */ 3394278366Sadrian for (sample = group->samples; sample < &group->samples[3]; sample++) 3395278366Sadrian if (pwr > sample[1].power) 3396278366Sadrian break; 3397278366Sadrian /* Fixed-point linear interpolation using a 19-bit fractional part. */ 3398278366Sadrian idx = interpolate(pwr, sample[0].power, sample[0].index, 3399278366Sadrian sample[1].power, sample[1].index, 19); 3400173362Sbenjsc 3401278366Sadrian /*- 3402278366Sadrian * Adjust power index based on current temperature: 3403278366Sadrian * - if cooler than factory-calibrated: decrease output power 3404278366Sadrian * - if warmer than factory-calibrated: increase output power 3405278366Sadrian */ 3406278366Sadrian idx -= (sc->temp - group->temp) * 11 / 100; 3407173362Sbenjsc 3408278366Sadrian /* Decrease TX power for CCK rates (-5dB). */ 3409278366Sadrian if (ridx >= WPI_RIDX_CCK1) 3410278366Sadrian idx += 10; 3411278366Sadrian 3412278366Sadrian /* Make sure idx stays in a valid range. */ 3413278366Sadrian if (idx < 0) 3414278366Sadrian return 0; 3415278366Sadrian if (idx > WPI_MAX_PWR_INDEX) 3416278366Sadrian return WPI_MAX_PWR_INDEX; 3417278366Sadrian return idx; 3418278366Sadrian 3419278366Sadrian#undef interpolate 3420278366Sadrian#undef fdivround 3421173362Sbenjsc} 3422173362Sbenjsc 3423278366Sadrian/* 3424278366Sadrian * Set STA mode power saving level (between 0 and 5). 3425278366Sadrian * Level 0 is CAM (Continuously Aware Mode), 5 is for maximum power saving. 3426278366Sadrian */ 3427173362Sbenjscstatic int 3428278366Sadrianwpi_set_pslevel(struct wpi_softc *sc, uint8_t dtim, int level, int async) 3429173362Sbenjsc{ 3430278366Sadrian struct wpi_pmgt_cmd cmd; 3431278366Sadrian const struct wpi_pmgt *pmgt; 3432278366Sadrian uint32_t max, skip_dtim; 3433278366Sadrian uint32_t reg; 3434278366Sadrian int i; 3435278366Sadrian 3436278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 3437278366Sadrian "%s: dtim=%d, level=%d, async=%d\n", 3438278366Sadrian __func__, dtim, level, async); 3439278366Sadrian 3440278366Sadrian /* Select which PS parameters to use. */ 3441278366Sadrian if (dtim <= 10) 3442278366Sadrian pmgt = &wpi_pmgt[0][level]; 3443278366Sadrian else 3444278366Sadrian pmgt = &wpi_pmgt[1][level]; 3445278366Sadrian 3446278366Sadrian memset(&cmd, 0, sizeof cmd); 3447278366Sadrian if (level != 0) /* not CAM */ 3448278366Sadrian cmd.flags |= htole16(WPI_PS_ALLOW_SLEEP); 3449278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 3450278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 3451278366Sadrian if (!(reg & 0x1)) /* L0s Entry disabled. */ 3452278366Sadrian cmd.flags |= htole16(WPI_PS_PCI_PMGT); 3453278366Sadrian 3454278366Sadrian cmd.rxtimeout = htole32(pmgt->rxtimeout * IEEE80211_DUR_TU); 3455278366Sadrian cmd.txtimeout = htole32(pmgt->txtimeout * IEEE80211_DUR_TU); 3456278366Sadrian 3457278366Sadrian if (dtim == 0) { 3458278366Sadrian dtim = 1; 3459278366Sadrian skip_dtim = 0; 3460278366Sadrian } else 3461278366Sadrian skip_dtim = pmgt->skip_dtim; 3462278366Sadrian 3463278366Sadrian if (skip_dtim != 0) { 3464278366Sadrian cmd.flags |= htole16(WPI_PS_SLEEP_OVER_DTIM); 3465278366Sadrian max = pmgt->intval[4]; 3466278366Sadrian if (max == (uint32_t)-1) 3467278366Sadrian max = dtim * (skip_dtim + 1); 3468278366Sadrian else if (max > dtim) 3469278366Sadrian max = (max / dtim) * dtim; 3470278366Sadrian } else 3471278366Sadrian max = dtim; 3472278366Sadrian 3473278366Sadrian for (i = 0; i < 5; i++) 3474278366Sadrian cmd.intval[i] = htole32(MIN(max, pmgt->intval[i])); 3475278366Sadrian 3476278366Sadrian return wpi_cmd(sc, WPI_CMD_SET_POWER_MODE, &cmd, sizeof cmd, async); 3477278366Sadrian} 3478278366Sadrian 3479280059Sadrianstatic int 3480278366Sadrianwpi_send_btcoex(struct wpi_softc *sc) 3481278366Sadrian{ 3482278366Sadrian struct wpi_bluetooth cmd; 3483278366Sadrian 3484280059Sadrian memset(&cmd, 0, sizeof cmd); 3485280059Sadrian cmd.flags = WPI_BT_COEX_MODE_4WIRE; 3486280059Sadrian cmd.lead_time = WPI_BT_LEAD_TIME_DEF; 3487280059Sadrian cmd.max_kill = WPI_BT_MAX_KILL_DEF; 3488278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "%s: configuring bluetooth coexistence\n", 3489278366Sadrian __func__); 3490280059Sadrian return wpi_cmd(sc, WPI_CMD_BT_COEX, &cmd, sizeof(cmd), 0); 3491278366Sadrian} 3492278366Sadrian 3493278366Sadrianstatic int 3494278366Sadrianwpi_send_rxon(struct wpi_softc *sc, int assoc, int async) 3495278366Sadrian{ 3496173362Sbenjsc int error; 3497173362Sbenjsc 3498278366Sadrian if (assoc && (sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3499278366Sadrian struct wpi_assoc rxon_assoc; 3500177043Sthompsa 3501278366Sadrian rxon_assoc.flags = sc->rxon.flags; 3502278366Sadrian rxon_assoc.filter = sc->rxon.filter; 3503278366Sadrian rxon_assoc.ofdm_mask = sc->rxon.ofdm_mask; 3504278366Sadrian rxon_assoc.cck_mask = sc->rxon.cck_mask; 3505278366Sadrian rxon_assoc.reserved = 0; 3506278366Sadrian 3507278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON_ASSOC, &rxon_assoc, 3508278366Sadrian sizeof (struct wpi_assoc), async); 3509216522Sbschmidt } else { 3510280077Sadrian if (async) 3511280077Sadrian WPI_NT_LOCK(sc); 3512280077Sadrian 3513278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3514278366Sadrian sizeof (struct wpi_rxon), async); 3515280069Sadrian 3516280069Sadrian wpi_clear_node_table(sc); 3517280077Sadrian 3518280077Sadrian if (async) 3519280077Sadrian WPI_NT_UNLOCK(sc); 3520173362Sbenjsc } 3521173362Sbenjsc if (error != 0) { 3522278366Sadrian device_printf(sc->sc_dev, "RXON command failed, error %d\n", 3523278366Sadrian error); 3524173362Sbenjsc return error; 3525173362Sbenjsc } 3526173362Sbenjsc 3527278366Sadrian /* Configuration has changed, set Tx power accordingly. */ 3528278366Sadrian if ((error = wpi_set_txpower(sc, async)) != 0) { 3529278366Sadrian device_printf(sc->sc_dev, 3530278366Sadrian "%s: could not set TX power, error %d\n", __func__, error); 3531173362Sbenjsc return error; 3532173362Sbenjsc } 3533173362Sbenjsc 3534278366Sadrian if (!(sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3535278366Sadrian /* Add broadcast node. */ 3536278366Sadrian error = wpi_add_broadcast_node(sc, async); 3537278366Sadrian if (error != 0) { 3538278366Sadrian device_printf(sc->sc_dev, 3539278366Sadrian "could not add broadcast node, error %d\n", error); 3540278366Sadrian return error; 3541278366Sadrian } 3542278366Sadrian } 3543177043Sthompsa 3544278366Sadrian return 0; 3545177043Sthompsa} 3546177043Sthompsa 3547278366Sadrian/** 3548278366Sadrian * Configure the card to listen to a particular channel, this transisions the 3549278366Sadrian * card in to being able to receive frames from remote devices. 3550278366Sadrian */ 3551177043Sthompsastatic int 3552278366Sadrianwpi_config(struct wpi_softc *sc) 3553177043Sthompsa{ 3554278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3555278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3556279762Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3557278366Sadrian uint32_t flags; 3558177043Sthompsa int error; 3559177043Sthompsa 3560278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3561278366Sadrian 3562278366Sadrian /* Set power saving level to CAM during initialization. */ 3563278366Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 0)) != 0) { 3564278366Sadrian device_printf(sc->sc_dev, 3565278366Sadrian "%s: could not set power saving level\n", __func__); 3566278366Sadrian return error; 3567178354Ssam } 3568178354Ssam 3569278366Sadrian /* Configure bluetooth coexistence. */ 3570278366Sadrian if ((error = wpi_send_btcoex(sc)) != 0) { 3571278366Sadrian device_printf(sc->sc_dev, 3572278366Sadrian "could not configure bluetooth coexistence\n"); 3573278366Sadrian return error; 3574278366Sadrian } 3575177043Sthompsa 3576278366Sadrian /* Configure adapter. */ 3577278366Sadrian memset(&sc->rxon, 0, sizeof (struct wpi_rxon)); 3578279762Sadrian IEEE80211_ADDR_COPY(sc->rxon.myaddr, vap->iv_myaddr); 3579177043Sthompsa 3580278366Sadrian /* Set default channel. */ 3581278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ic->ic_curchan); 3582278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3583278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) 3584278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3585177043Sthompsa 3586278764Sadrian sc->rxon.filter = WPI_FILTER_MULTICAST; 3587278366Sadrian switch (ic->ic_opmode) { 3588278366Sadrian case IEEE80211_M_STA: 3589278366Sadrian sc->rxon.mode = WPI_MODE_STA; 3590278366Sadrian break; 3591278366Sadrian case IEEE80211_M_IBSS: 3592278366Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3593278764Sadrian sc->rxon.filter |= WPI_FILTER_BEACON; 3594278366Sadrian break; 3595278366Sadrian /* XXX workaround for passive channels selection */ 3596278366Sadrian case IEEE80211_M_AHDEMO: 3597278366Sadrian case IEEE80211_M_HOSTAP: 3598278366Sadrian sc->rxon.mode = WPI_MODE_HOSTAP; 3599278366Sadrian break; 3600278366Sadrian case IEEE80211_M_MONITOR: 3601278366Sadrian sc->rxon.mode = WPI_MODE_MONITOR; 3602278366Sadrian break; 3603278366Sadrian default: 3604280066Sadrian device_printf(sc->sc_dev, "unknown opmode %d\n", 3605280066Sadrian ic->ic_opmode); 3606278366Sadrian return EINVAL; 3607278366Sadrian } 3608278764Sadrian sc->rxon.filter = htole32(sc->rxon.filter); 3609278366Sadrian wpi_set_promisc(sc); 3610278366Sadrian sc->rxon.cck_mask = 0x0f; /* not yet negotiated */ 3611278366Sadrian sc->rxon.ofdm_mask = 0xff; /* not yet negotiated */ 3612278366Sadrian 3613278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) { 3614278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3615278366Sadrian __func__); 3616173362Sbenjsc return error; 3617173362Sbenjsc } 3618173362Sbenjsc 3619278366Sadrian /* Setup rate scalling. */ 3620278366Sadrian if ((error = wpi_mrr_setup(sc)) != 0) { 3621278366Sadrian device_printf(sc->sc_dev, "could not setup MRR, error %d\n", 3622278366Sadrian error); 3623278366Sadrian return error; 3624278366Sadrian } 3625278366Sadrian 3626278366Sadrian /* Disable beacon notifications (unused). */ 3627278366Sadrian flags = WPI_STATISTICS_BEACON_DISABLE; 3628278366Sadrian error = wpi_cmd(sc, WPI_CMD_GET_STATISTICS, &flags, sizeof flags, 1); 3629177043Sthompsa if (error != 0) { 3630278366Sadrian device_printf(sc->sc_dev, 3631278366Sadrian "could not disable beacon statistics, error %d\n", error); 3632177043Sthompsa return error; 3633177043Sthompsa } 3634173362Sbenjsc 3635278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3636177043Sthompsa 3637278366Sadrian return 0; 3638278366Sadrian} 3639177043Sthompsa 3640278366Sadrianstatic uint16_t 3641278366Sadrianwpi_get_active_dwell_time(struct wpi_softc *sc, 3642278366Sadrian struct ieee80211_channel *c, uint8_t n_probes) 3643278366Sadrian{ 3644278366Sadrian /* No channel? Default to 2GHz settings. */ 3645278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) { 3646278366Sadrian return (WPI_ACTIVE_DWELL_TIME_2GHZ + 3647278366Sadrian WPI_ACTIVE_DWELL_FACTOR_2GHZ * (n_probes + 1)); 3648278366Sadrian } 3649278366Sadrian 3650278366Sadrian /* 5GHz dwell time. */ 3651278366Sadrian return (WPI_ACTIVE_DWELL_TIME_5GHZ + 3652278366Sadrian WPI_ACTIVE_DWELL_FACTOR_5GHZ * (n_probes + 1)); 3653173362Sbenjsc} 3654173362Sbenjsc 3655173362Sbenjsc/* 3656278366Sadrian * Limit the total dwell time to 85% of the beacon interval. 3657278366Sadrian * 3658278366Sadrian * Returns the dwell time in milliseconds. 3659173362Sbenjsc */ 3660278366Sadrianstatic uint16_t 3661278366Sadrianwpi_limit_dwell(struct wpi_softc *sc, uint16_t dwell_time) 3662278366Sadrian{ 3663278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3664278366Sadrian struct ieee80211vap *vap = NULL; 3665278366Sadrian int bintval = 0; 3666278366Sadrian 3667278366Sadrian /* bintval is in TU (1.024mS) */ 3668278366Sadrian if (! TAILQ_EMPTY(&ic->ic_vaps)) { 3669278366Sadrian vap = TAILQ_FIRST(&ic->ic_vaps); 3670278366Sadrian bintval = vap->iv_bss->ni_intval; 3671278366Sadrian } 3672278366Sadrian 3673278366Sadrian /* 3674278366Sadrian * If it's non-zero, we should calculate the minimum of 3675278366Sadrian * it and the DWELL_BASE. 3676278366Sadrian * 3677278366Sadrian * XXX Yes, the math should take into account that bintval 3678278366Sadrian * is 1.024mS, not 1mS.. 3679278366Sadrian */ 3680278366Sadrian if (bintval > 0) { 3681278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "%s: bintval=%d\n", __func__, 3682278366Sadrian bintval); 3683278366Sadrian return (MIN(WPI_PASSIVE_DWELL_BASE, ((bintval * 85) / 100))); 3684278366Sadrian } 3685278366Sadrian 3686278366Sadrian /* No association context? Default. */ 3687278366Sadrian return (WPI_PASSIVE_DWELL_BASE); 3688278366Sadrian} 3689278366Sadrian 3690278366Sadrianstatic uint16_t 3691278366Sadrianwpi_get_passive_dwell_time(struct wpi_softc *sc, struct ieee80211_channel *c) 3692278366Sadrian{ 3693278366Sadrian uint16_t passive; 3694278366Sadrian 3695278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) 3696278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_2GHZ; 3697278366Sadrian else 3698278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_5GHZ; 3699278366Sadrian 3700278366Sadrian /* Clamp to the beacon interval if we're associated. */ 3701278366Sadrian return (wpi_limit_dwell(sc, passive)); 3702278366Sadrian} 3703278366Sadrian 3704278366Sadrian/* 3705278366Sadrian * Send a scan request to the firmware. 3706278366Sadrian */ 3707173362Sbenjscstatic int 3708278366Sadrianwpi_scan(struct wpi_softc *sc, struct ieee80211_channel *c) 3709173362Sbenjsc{ 3710178354Ssam struct ifnet *ifp = sc->sc_ifp; 3711178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3712177043Sthompsa struct ieee80211_scan_state *ss = ic->ic_scan; 3713279762Sadrian struct ieee80211vap *vap = ss->ss_vap; 3714173362Sbenjsc struct wpi_scan_hdr *hdr; 3715278366Sadrian struct wpi_cmd_data *tx; 3716278366Sadrian struct wpi_scan_essid *essids; 3717173362Sbenjsc struct wpi_scan_chan *chan; 3718173362Sbenjsc struct ieee80211_frame *wh; 3719173362Sbenjsc struct ieee80211_rateset *rs; 3720278366Sadrian uint16_t dwell_active, dwell_passive; 3721278366Sadrian uint8_t *buf, *frm; 3722278366Sadrian int buflen, error, i, nssid; 3723173362Sbenjsc 3724278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3725173362Sbenjsc 3726278366Sadrian /* 3727278366Sadrian * We are absolutely not allowed to send a scan command when another 3728278366Sadrian * scan command is pending. 3729278366Sadrian */ 3730278366Sadrian if (sc->sc_scan_timer) { 3731278366Sadrian device_printf(sc->sc_dev, "%s: called whilst scanning!\n", 3732278366Sadrian __func__); 3733280060Sadrian 3734280060Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3735280060Sadrian 3736278366Sadrian return (EAGAIN); 3737278366Sadrian } 3738278366Sadrian 3739278366Sadrian buf = malloc(WPI_SCAN_MAXSZ, M_DEVBUF, M_NOWAIT | M_ZERO); 3740278366Sadrian if (buf == NULL) { 3741173362Sbenjsc device_printf(sc->sc_dev, 3742278366Sadrian "%s: could not allocate buffer for scan command\n", 3743278366Sadrian __func__); 3744280060Sadrian error = ENOMEM; 3745280060Sadrian goto fail; 3746173362Sbenjsc } 3747278366Sadrian hdr = (struct wpi_scan_hdr *)buf; 3748173362Sbenjsc 3749173362Sbenjsc /* 3750278366Sadrian * Move to the next channel if no packets are received within 10 msecs 3751278366Sadrian * after sending the probe request. 3752173362Sbenjsc */ 3753278366Sadrian hdr->quiet_time = htole16(10); /* timeout in milliseconds */ 3754278366Sadrian hdr->quiet_threshold = htole16(1); /* min # of packets */ 3755278366Sadrian /* 3756278366Sadrian * Max needs to be greater than active and passive and quiet! 3757278366Sadrian * It's also in microseconds! 3758278366Sadrian */ 3759278366Sadrian hdr->max_svc = htole32(250 * IEEE80211_DUR_TU); 3760278366Sadrian hdr->pause_svc = htole32((4 << 24) | 3761278366Sadrian (100 * IEEE80211_DUR_TU)); /* Hardcode for now */ 3762278366Sadrian hdr->filter = htole32(WPI_FILTER_MULTICAST | WPI_FILTER_BEACON); 3763173362Sbenjsc 3764278366Sadrian tx = (struct wpi_cmd_data *)(hdr + 1); 3765278366Sadrian tx->flags = htole32(WPI_TX_AUTO_SEQ); 3766278366Sadrian tx->id = WPI_ID_BROADCAST; 3767278366Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 3768173362Sbenjsc 3769278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) { 3770278366Sadrian /* Send probe requests at 6Mbps. */ 3771278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_OFDM6]; 3772278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11A]; 3773173362Sbenjsc } else { 3774278366Sadrian hdr->flags = htole32(WPI_RXON_24GHZ | WPI_RXON_AUTO); 3775278366Sadrian /* Send probe requests at 1Mbps. */ 3776278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3777278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11G]; 3778173362Sbenjsc } 3779173362Sbenjsc 3780278366Sadrian essids = (struct wpi_scan_essid *)(tx + 1); 3781177043Sthompsa nssid = MIN(ss->ss_nssid, WPI_SCAN_MAX_ESSIDS); 3782178354Ssam for (i = 0; i < nssid; i++) { 3783278366Sadrian essids[i].id = IEEE80211_ELEMID_SSID; 3784278366Sadrian essids[i].len = MIN(ss->ss_ssid[i].len, IEEE80211_NWID_LEN); 3785278366Sadrian memcpy(essids[i].data, ss->ss_ssid[i].ssid, essids[i].len); 3786179957Sthompsa#ifdef WPI_DEBUG 3787278366Sadrian if (sc->sc_debug & WPI_DEBUG_SCAN) { 3788177043Sthompsa printf("Scanning Essid: "); 3789278366Sadrian ieee80211_print_essid(essids[i].data, essids[i].len); 3790177043Sthompsa printf("\n"); 3791177043Sthompsa } 3792179957Sthompsa#endif 3793173362Sbenjsc } 3794173362Sbenjsc 3795173362Sbenjsc /* 3796173362Sbenjsc * Build a probe request frame. Most of the following code is a 3797173362Sbenjsc * copy & paste of what is done in net80211. 3798173362Sbenjsc */ 3799278366Sadrian wh = (struct ieee80211_frame *)(essids + WPI_SCAN_MAX_ESSIDS); 3800173362Sbenjsc wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 3801173362Sbenjsc IEEE80211_FC0_SUBTYPE_PROBE_REQ; 3802173362Sbenjsc wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 3803173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr1, ifp->if_broadcastaddr); 3804279762Sadrian IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); 3805173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr3, ifp->if_broadcastaddr); 3806278366Sadrian *(uint16_t *)&wh->i_dur[0] = 0; /* filled by h/w */ 3807278366Sadrian *(uint16_t *)&wh->i_seq[0] = 0; /* filled by h/w */ 3808173362Sbenjsc 3809173362Sbenjsc frm = (uint8_t *)(wh + 1); 3810275966Sadrian frm = ieee80211_add_ssid(frm, NULL, 0); 3811275966Sadrian frm = ieee80211_add_rates(frm, rs); 3812278366Sadrian if (rs->rs_nrates > IEEE80211_RATE_SIZE) 3813278366Sadrian frm = ieee80211_add_xrates(frm, rs); 3814173362Sbenjsc 3815278366Sadrian /* Set length of probe request. */ 3816278366Sadrian tx->len = htole16(frm - (uint8_t *)wh); 3817173362Sbenjsc 3818173362Sbenjsc /* 3819173362Sbenjsc * Construct information about the channel that we 3820173362Sbenjsc * want to scan. The firmware expects this to be directly 3821173362Sbenjsc * after the scan probe request 3822173362Sbenjsc */ 3823173362Sbenjsc chan = (struct wpi_scan_chan *)frm; 3824278366Sadrian chan->chan = htole16(ieee80211_chan2ieee(ic, c)); 3825173362Sbenjsc chan->flags = 0; 3826278366Sadrian if (nssid) { 3827278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_DEFAULT; 3828278366Sadrian chan->flags |= WPI_CHAN_NPBREQS(nssid); 3829278366Sadrian } else 3830278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_NEVER; 3831278366Sadrian 3832278764Sadrian if (!IEEE80211_IS_CHAN_PASSIVE(c)) 3833173362Sbenjsc chan->flags |= WPI_CHAN_ACTIVE; 3834173362Sbenjsc 3835278366Sadrian /* 3836278366Sadrian * Calculate the active/passive dwell times. 3837278366Sadrian */ 3838173362Sbenjsc 3839278366Sadrian dwell_active = wpi_get_active_dwell_time(sc, c, nssid); 3840278366Sadrian dwell_passive = wpi_get_passive_dwell_time(sc, c); 3841278366Sadrian 3842278366Sadrian /* Make sure they're valid. */ 3843278366Sadrian if (dwell_passive <= dwell_active) 3844278366Sadrian dwell_passive = dwell_active + 1; 3845278366Sadrian 3846278366Sadrian chan->active = htole16(dwell_active); 3847278366Sadrian chan->passive = htole16(dwell_passive); 3848278366Sadrian 3849278366Sadrian chan->dsp_gain = 0x6e; /* Default level */ 3850278366Sadrian 3851278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) 3852278366Sadrian chan->rf_gain = 0x3b; 3853278366Sadrian else 3854278366Sadrian chan->rf_gain = 0x28; 3855278366Sadrian 3856278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "Scanning %u Passive: %d\n", 3857280059Sadrian chan->chan, IEEE80211_IS_CHAN_PASSIVE(c)); 3858278366Sadrian 3859173362Sbenjsc hdr->nchan++; 3860173362Sbenjsc chan++; 3861173362Sbenjsc 3862278366Sadrian buflen = (uint8_t *)chan - buf; 3863278366Sadrian hdr->len = htole16(buflen); 3864173362Sbenjsc 3865278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "sending scan command nchan=%d\n", 3866278366Sadrian hdr->nchan); 3867278366Sadrian error = wpi_cmd(sc, WPI_CMD_SCAN, buf, buflen, 1); 3868278366Sadrian free(buf, M_DEVBUF); 3869173362Sbenjsc 3870280060Sadrian if (error != 0) 3871280060Sadrian goto fail; 3872280060Sadrian 3873278366Sadrian sc->sc_scan_timer = 5; 3874173362Sbenjsc 3875278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3876173362Sbenjsc 3877280060Sadrian return 0; 3878280060Sadrian 3879280060Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3880280060Sadrian 3881278366Sadrian return error; 3882278366Sadrian} 3883173362Sbenjsc 3884278366Sadrianstatic int 3885278366Sadrianwpi_auth(struct wpi_softc *sc, struct ieee80211vap *vap) 3886278366Sadrian{ 3887278366Sadrian struct ieee80211com *ic = vap->iv_ic; 3888278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 3889278366Sadrian int error; 3890173362Sbenjsc 3891278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3892278366Sadrian 3893278366Sadrian /* Update adapter configuration. */ 3894278366Sadrian sc->rxon.associd = 0; 3895278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 3896278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 3897278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 3898278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3899278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 3900278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3901278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 3902278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 3903278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 3904278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 3905278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 3906278366Sadrian sc->rxon.cck_mask = 0; 3907278366Sadrian sc->rxon.ofdm_mask = 0x15; 3908278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 3909278366Sadrian sc->rxon.cck_mask = 0x03; 3910278366Sadrian sc->rxon.ofdm_mask = 0; 3911278366Sadrian } else { 3912278366Sadrian /* Assume 802.11b/g. */ 3913278366Sadrian sc->rxon.cck_mask = 0x0f; 3914278366Sadrian sc->rxon.ofdm_mask = 0x15; 3915173362Sbenjsc } 3916173362Sbenjsc 3917278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x cck %x ofdm %x\n", 3918278366Sadrian sc->rxon.chan, sc->rxon.flags, sc->rxon.cck_mask, 3919278366Sadrian sc->rxon.ofdm_mask); 3920173362Sbenjsc 3921278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 3922278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3923278366Sadrian __func__); 3924278366Sadrian } 3925173362Sbenjsc 3926278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3927173362Sbenjsc 3928278366Sadrian return error; 3929173362Sbenjsc} 3930173362Sbenjsc 3931173362Sbenjscstatic int 3932278366Sadrianwpi_setup_beacon(struct wpi_softc *sc, struct ieee80211_node *ni) 3933173362Sbenjsc{ 3934178354Ssam struct ifnet *ifp = sc->sc_ifp; 3935178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3936278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 3937278366Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 3938278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 3939278366Sadrian struct ieee80211_beacon_offsets bo; 3940278366Sadrian struct wpi_cmd_beacon *cmd; 3941278366Sadrian struct mbuf *m; 3942278366Sadrian int totlen; 3943173362Sbenjsc 3944278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3945278366Sadrian 3946278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) 3947278366Sadrian return EINVAL; 3948278366Sadrian 3949278366Sadrian m = ieee80211_beacon_alloc(ni, &bo); 3950278366Sadrian if (m == NULL) { 3951278366Sadrian device_printf(sc->sc_dev, 3952278366Sadrian "%s: could not allocate beacon frame\n", __func__); 3953278366Sadrian return ENOMEM; 3954173362Sbenjsc } 3955278366Sadrian totlen = m->m_pkthdr.len; 3956173362Sbenjsc 3957278366Sadrian if (bcn->data == NULL) { 3958278366Sadrian cmd = malloc(sizeof(struct wpi_cmd_beacon), M_DEVBUF, 3959278366Sadrian M_NOWAIT | M_ZERO); 3960278366Sadrian 3961278366Sadrian if (cmd == NULL) { 3962278366Sadrian device_printf(sc->sc_dev, 3963278366Sadrian "could not allocate buffer for beacon command\n"); 3964278366Sadrian m_freem(m); 3965278366Sadrian return ENOMEM; 3966278366Sadrian } 3967278366Sadrian 3968278366Sadrian cmd->id = WPI_ID_BROADCAST; 3969278366Sadrian cmd->ofdm_mask = 0xff; 3970278366Sadrian cmd->cck_mask = 0x0f; 3971278366Sadrian cmd->lifetime = htole32(WPI_LIFETIME_INFINITE); 3972278366Sadrian cmd->flags = htole32(WPI_TX_AUTO_SEQ | WPI_TX_INSERT_TSTAMP); 3973278366Sadrian 3974278366Sadrian bcn->data = cmd; 3975278366Sadrian bcn->ni = NULL; 3976278366Sadrian bcn->code = WPI_CMD_SET_BEACON; 3977278366Sadrian bcn->ac = 4; 3978278366Sadrian bcn->size = sizeof(struct wpi_cmd_beacon); 3979278366Sadrian } else 3980278366Sadrian cmd = bcn->data; 3981278366Sadrian 3982278366Sadrian cmd->len = htole16(totlen); 3983278366Sadrian cmd->plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3984278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3985278366Sadrian 3986278366Sadrian /* NB: m will be freed in wpi_cmd_done() */ 3987278366Sadrian bcn->m = m; 3988278366Sadrian 3989278366Sadrian return wpi_cmd2(sc, bcn); 3990278366Sadrian} 3991278366Sadrian 3992278366Sadrianstatic void 3993278366Sadrianwpi_update_beacon(struct ieee80211vap *vap, int item) 3994278366Sadrian{ 3995280057Sadrian struct wpi_softc *sc = vap->iv_ic->ic_ifp->if_softc; 3996278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 3997278366Sadrian int error; 3998278366Sadrian 3999278764Sadrian WPI_LOCK(sc); 4000278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 4001173362Sbenjsc device_printf(sc->sc_dev, 4002278366Sadrian "%s: could not update beacon frame, error %d", __func__, 4003278366Sadrian error); 4004173362Sbenjsc } 4005278764Sadrian WPI_UNLOCK(sc); 4006278366Sadrian} 4007173362Sbenjsc 4008278366Sadrianstatic int 4009278366Sadrianwpi_run(struct wpi_softc *sc, struct ieee80211vap *vap) 4010278366Sadrian{ 4011278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4012278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4013278366Sadrian int error; 4014278366Sadrian 4015278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4016278366Sadrian 4017278366Sadrian if (vap->iv_opmode == IEEE80211_M_MONITOR) { 4018278366Sadrian /* Link LED blinks while monitoring. */ 4019278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 5, 5); 4020278366Sadrian return 0; 4021173362Sbenjsc } 4022278366Sadrian 4023278366Sadrian /* XXX kernel panic workaround */ 4024278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) { 4025278366Sadrian device_printf(sc->sc_dev, "%s: incomplete configuration\n", 4026278366Sadrian __func__); 4027195562Srpaulo return EINVAL; 4028173362Sbenjsc } 4029278366Sadrian 4030278366Sadrian if ((error = wpi_set_timing(sc, ni)) != 0) { 4031278366Sadrian device_printf(sc->sc_dev, 4032278366Sadrian "%s: could not set timing, error %d\n", __func__, error); 4033173362Sbenjsc return error; 4034173362Sbenjsc } 4035173362Sbenjsc 4036278366Sadrian /* Update adapter configuration. */ 4037278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4038278366Sadrian sc->rxon.associd = htole16(IEEE80211_NODE_AID(ni)); 4039278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 4040278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4041278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 4042278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4043278366Sadrian /* Short preamble and slot time are negotiated when associating. */ 4044278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_SHPREAMBLE | WPI_RXON_SHSLOT); 4045278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4046278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4047278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4048278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4049278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 4050278366Sadrian sc->rxon.cck_mask = 0; 4051278366Sadrian sc->rxon.ofdm_mask = 0x15; 4052278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 4053278366Sadrian sc->rxon.cck_mask = 0x03; 4054278366Sadrian sc->rxon.ofdm_mask = 0; 4055278366Sadrian } else { 4056278366Sadrian /* Assume 802.11b/g. */ 4057278366Sadrian sc->rxon.cck_mask = 0x0f; 4058278366Sadrian sc->rxon.ofdm_mask = 0x15; 4059173362Sbenjsc } 4060278366Sadrian sc->rxon.filter |= htole32(WPI_FILTER_BSS); 4061173362Sbenjsc 4062278366Sadrian /* XXX put somewhere HC_QOS_SUPPORT_ASSOC + HC_IBSS_START */ 4063278366Sadrian 4064278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x\n", 4065278366Sadrian sc->rxon.chan, sc->rxon.flags); 4066278366Sadrian 4067278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4068278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4069278366Sadrian __func__); 4070173362Sbenjsc return error; 4071173362Sbenjsc } 4072173362Sbenjsc 4073278366Sadrian if (vap->iv_opmode == IEEE80211_M_IBSS) { 4074278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 4075278366Sadrian device_printf(sc->sc_dev, 4076278366Sadrian "%s: could not setup beacon, error %d\n", __func__, 4077278366Sadrian error); 4078278366Sadrian return error; 4079278366Sadrian } 4080173362Sbenjsc } 4081173362Sbenjsc 4082278366Sadrian if (vap->iv_opmode == IEEE80211_M_STA) { 4083278366Sadrian /* Add BSS node. */ 4084280077Sadrian WPI_NT_LOCK(sc); 4085280070Sadrian error = wpi_add_sta_node(sc, ni); 4086280077Sadrian WPI_NT_UNLOCK(sc); 4087280070Sadrian if (error != 0) { 4088278366Sadrian device_printf(sc->sc_dev, 4089278366Sadrian "%s: could not add BSS node, error %d\n", __func__, 4090278366Sadrian error); 4091278366Sadrian return error; 4092278366Sadrian } 4093278366Sadrian } 4094173362Sbenjsc 4095278366Sadrian /* Link LED always on while associated. */ 4096278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 4097173362Sbenjsc 4098278366Sadrian /* Start periodic calibration timer. */ 4099278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 4100173362Sbenjsc 4101278366Sadrian /* Enable power-saving mode if requested by user. */ 4102278366Sadrian if (vap->iv_flags & IEEE80211_F_PMGTON) 4103278366Sadrian (void)wpi_set_pslevel(sc, 0, 3, 1); 4104278764Sadrian else 4105278764Sadrian (void)wpi_set_pslevel(sc, 0, 0, 1); 4106173362Sbenjsc 4107278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4108173362Sbenjsc 4109278366Sadrian return 0; 4110173362Sbenjsc} 4111173362Sbenjsc 4112173362Sbenjscstatic int 4113278366Sadrianwpi_key_alloc(struct ieee80211vap *vap, struct ieee80211_key *k, 4114278366Sadrian ieee80211_keyix *keyix, ieee80211_keyix *rxkeyix) 4115173362Sbenjsc{ 4116280057Sadrian struct wpi_softc *sc = vap->iv_ic->ic_ifp->if_softc; 4117173362Sbenjsc 4118278366Sadrian if (!(&vap->iv_nw_keys[0] <= k && 4119278366Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID])) { 4120278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) { 4121278366Sadrian /* should not happen */ 4122278366Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: bogus group key\n", 4123278366Sadrian __func__); 4124278366Sadrian return 0; 4125278366Sadrian } 4126278366Sadrian *keyix = 0; /* NB: use key index 0 for ucast key */ 4127278366Sadrian } else { 4128278366Sadrian *keyix = *rxkeyix = k - vap->iv_nw_keys; 4129173362Sbenjsc 4130278366Sadrian if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_AES_CCM) 4131278366Sadrian k->wk_flags |= IEEE80211_KEY_SWCRYPT; 4132173362Sbenjsc } 4133278366Sadrian return 1; 4134173362Sbenjsc} 4135173362Sbenjsc 4136173362Sbenjscstatic int 4137278366Sadrianwpi_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k, 4138278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 4139173362Sbenjsc{ 4140278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4141278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4142278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4143278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4144280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4145278366Sadrian struct wpi_node_info node; 4146278366Sadrian uint16_t kflags; 4147278366Sadrian int error; 4148173362Sbenjsc 4149278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4150173362Sbenjsc 4151278366Sadrian switch (cip->ic_cipher) { 4152278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4153278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4154278366Sadrian return 1; 4155173362Sbenjsc 4156278366Sadrian kflags = WPI_KFLAG_CCMP; 4157278366Sadrian break; 4158278366Sadrian default: 4159278366Sadrian /* null_key_set() */ 4160278366Sadrian return 1; 4161278366Sadrian } 4162173362Sbenjsc 4163278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 4164278366Sadrian return 0; 4165173362Sbenjsc 4166278366Sadrian kflags |= WPI_KFLAG_KID(k->wk_keyix); 4167278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4168278366Sadrian kflags |= WPI_KFLAG_MULTICAST; 4169173362Sbenjsc 4170278366Sadrian memset(&node, 0, sizeof node); 4171278366Sadrian node.id = wn->id; 4172278366Sadrian node.control = WPI_NODE_UPDATE; 4173278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4174278366Sadrian node.kflags = htole16(kflags); 4175278366Sadrian memcpy(node.key, k->wk_key, k->wk_keylen); 4176173362Sbenjsc 4177278366Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "set key id=%d for node %d\n", k->wk_keyix, 4178278366Sadrian node.id); 4179173362Sbenjsc 4180278366Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4181278366Sadrian if (error != 0) { 4182278366Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4183278366Sadrian error); 4184278366Sadrian return 0; 4185173362Sbenjsc } 4186173362Sbenjsc 4187278366Sadrian return 1; 4188173362Sbenjsc} 4189173362Sbenjsc 4190278366Sadrianstatic int 4191278366Sadrianwpi_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 4192173362Sbenjsc{ 4193278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4194278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4195278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4196278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4197280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4198278366Sadrian struct wpi_node_info node; 4199173362Sbenjsc 4200278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4201173362Sbenjsc 4202278366Sadrian switch (cip->ic_cipher) { 4203278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4204278366Sadrian break; 4205278366Sadrian default: 4206278366Sadrian /* null_key_delete() */ 4207278366Sadrian return 1; 4208278366Sadrian } 4209173362Sbenjsc 4210278366Sadrian if (vap->iv_state != IEEE80211_S_RUN || 4211278366Sadrian (k->wk_flags & IEEE80211_KEY_GROUP)) 4212278366Sadrian return 1; /* Nothing to do. */ 4213173362Sbenjsc 4214278366Sadrian memset(&node, 0, sizeof node); 4215278366Sadrian node.id = wn->id; 4216278366Sadrian node.control = WPI_NODE_UPDATE; 4217278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4218173362Sbenjsc 4219278366Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "delete keys for node %d\n", node.id); 4220278366Sadrian (void)wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4221173362Sbenjsc 4222278366Sadrian return 1; 4223173362Sbenjsc} 4224173362Sbenjsc 4225278366Sadrian/* 4226278366Sadrian * This function is called after the runtime firmware notifies us of its 4227278366Sadrian * readiness (called in a process context). 4228278366Sadrian */ 4229278366Sadrianstatic int 4230278366Sadrianwpi_post_alive(struct wpi_softc *sc) 4231177043Sthompsa{ 4232278366Sadrian int ntries, error; 4233177043Sthompsa 4234278366Sadrian /* Check (again) that the radio is not disabled. */ 4235278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4236278366Sadrian return error; 4237177043Sthompsa 4238278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4239278366Sadrian 4240278366Sadrian /* NB: Runtime firmware must be up and running. */ 4241278366Sadrian if (!(wpi_prph_read(sc, WPI_APMG_RFKILL) & 1)) { 4242278366Sadrian device_printf(sc->sc_dev, 4243278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4244278366Sadrian wpi_nic_unlock(sc); 4245278366Sadrian return EPERM; /* :-) */ 4246278366Sadrian } 4247278366Sadrian wpi_nic_unlock(sc); 4248278366Sadrian 4249278366Sadrian /* Wait for thermal sensor to calibrate. */ 4250177043Sthompsa for (ntries = 0; ntries < 1000; ntries++) { 4251278366Sadrian if ((sc->temp = (int)WPI_READ(sc, WPI_UCODE_GP2)) != 0) 4252177043Sthompsa break; 4253177043Sthompsa DELAY(10); 4254177043Sthompsa } 4255177043Sthompsa 4256177043Sthompsa if (ntries == 1000) { 4257177043Sthompsa device_printf(sc->sc_dev, 4258278366Sadrian "timeout waiting for thermal sensor calibration\n"); 4259280059Sadrian return ETIMEDOUT; 4260280059Sadrian } 4261177043Sthompsa 4262280059Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d\n", sc->temp); 4263280059Sadrian return 0; 4264278366Sadrian} 4265177043Sthompsa 4266278366Sadrian/* 4267278366Sadrian * The firmware boot code is small and is intended to be copied directly into 4268278366Sadrian * the NIC internal memory (no DMA transfer). 4269278366Sadrian */ 4270278366Sadrianstatic int 4271278366Sadrianwpi_load_bootcode(struct wpi_softc *sc, const uint8_t *ucode, int size) 4272278366Sadrian{ 4273278366Sadrian int error, ntries; 4274177043Sthompsa 4275278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, "Loading microcode size 0x%x\n", size); 4276278366Sadrian 4277278366Sadrian size /= sizeof (uint32_t); 4278278366Sadrian 4279278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4280278366Sadrian return error; 4281278366Sadrian 4282278366Sadrian /* Copy microcode image into NIC memory. */ 4283278366Sadrian wpi_prph_write_region_4(sc, WPI_BSM_SRAM_BASE, 4284278366Sadrian (const uint32_t *)ucode, size); 4285278366Sadrian 4286278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_SRC, 0); 4287278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_DST, WPI_FW_TEXT_BASE); 4288278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_DWCOUNT, size); 4289278366Sadrian 4290278366Sadrian /* Start boot load now. */ 4291278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START); 4292278366Sadrian 4293278366Sadrian /* Wait for transfer to complete. */ 4294278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 4295278366Sadrian uint32_t status = WPI_READ(sc, WPI_FH_TX_STATUS); 4296278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4297278366Sadrian "firmware status=0x%x, val=0x%x, result=0x%x\n", status, 4298278366Sadrian WPI_FH_TX_STATUS_IDLE(6), 4299278366Sadrian status & WPI_FH_TX_STATUS_IDLE(6)); 4300278366Sadrian if (status & WPI_FH_TX_STATUS_IDLE(6)) { 4301278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4302278366Sadrian "Status Match! - ntries = %d\n", ntries); 4303278366Sadrian break; 4304178354Ssam } 4305278366Sadrian DELAY(10); 4306177043Sthompsa } 4307278366Sadrian if (ntries == 1000) { 4308278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4309278366Sadrian __func__); 4310278366Sadrian wpi_nic_unlock(sc); 4311278366Sadrian return ETIMEDOUT; 4312278366Sadrian } 4313177043Sthompsa 4314278366Sadrian /* Enable boot after power up. */ 4315278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START_EN); 4316278366Sadrian 4317278366Sadrian wpi_nic_unlock(sc); 4318278366Sadrian return 0; 4319177043Sthompsa} 4320177043Sthompsa 4321278366Sadrianstatic int 4322278366Sadrianwpi_load_firmware(struct wpi_softc *sc) 4323177043Sthompsa{ 4324278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4325278366Sadrian struct wpi_dma_info *dma = &sc->fw_dma; 4326278366Sadrian int error; 4327173362Sbenjsc 4328278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4329173362Sbenjsc 4330278366Sadrian /* Copy initialization sections into pre-allocated DMA-safe memory. */ 4331278366Sadrian memcpy(dma->vaddr, fw->init.data, fw->init.datasz); 4332278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4333278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->init.text, fw->init.textsz); 4334278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4335173362Sbenjsc 4336278366Sadrian /* Tell adapter where to find initialization sections. */ 4337278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4338278366Sadrian return error; 4339278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4340278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->init.datasz); 4341278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4342278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4343278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, fw->init.textsz); 4344278366Sadrian wpi_nic_unlock(sc); 4345173362Sbenjsc 4346278366Sadrian /* Load firmware boot code. */ 4347278366Sadrian error = wpi_load_bootcode(sc, fw->boot.text, fw->boot.textsz); 4348278366Sadrian if (error != 0) { 4349278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4350278366Sadrian __func__); 4351278366Sadrian return error; 4352278366Sadrian } 4353173362Sbenjsc 4354278366Sadrian /* Now press "execute". */ 4355278366Sadrian WPI_WRITE(sc, WPI_RESET, 0); 4356173362Sbenjsc 4357278366Sadrian /* Wait at most one second for first alive notification. */ 4358280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4359278366Sadrian device_printf(sc->sc_dev, 4360278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4361278366Sadrian __func__, error); 4362278366Sadrian return error; 4363173362Sbenjsc } 4364173362Sbenjsc 4365278366Sadrian /* Copy runtime sections into pre-allocated DMA-safe memory. */ 4366278366Sadrian memcpy(dma->vaddr, fw->main.data, fw->main.datasz); 4367278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4368278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->main.text, fw->main.textsz); 4369278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4370173362Sbenjsc 4371278366Sadrian /* Tell adapter where to find runtime sections. */ 4372278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4373278366Sadrian return error; 4374278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4375278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->main.datasz); 4376278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4377278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4378278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, 4379278366Sadrian WPI_FW_UPDATED | fw->main.textsz); 4380278366Sadrian wpi_nic_unlock(sc); 4381173362Sbenjsc 4382278366Sadrian return 0; 4383278366Sadrian} 4384173362Sbenjsc 4385278366Sadrianstatic int 4386278366Sadrianwpi_read_firmware(struct wpi_softc *sc) 4387278366Sadrian{ 4388278366Sadrian const struct firmware *fp; 4389278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4390278366Sadrian const struct wpi_firmware_hdr *hdr; 4391278366Sadrian int error; 4392173362Sbenjsc 4393278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4394278366Sadrian 4395278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4396278366Sadrian "Attempting Loading Firmware from %s module\n", WPI_FW_NAME); 4397278366Sadrian 4398278366Sadrian WPI_UNLOCK(sc); 4399278366Sadrian fp = firmware_get(WPI_FW_NAME); 4400278366Sadrian WPI_LOCK(sc); 4401278366Sadrian 4402278366Sadrian if (fp == NULL) { 4403278366Sadrian device_printf(sc->sc_dev, 4404278366Sadrian "could not load firmware image '%s'\n", WPI_FW_NAME); 4405278366Sadrian return EINVAL; 4406173362Sbenjsc } 4407173362Sbenjsc 4408278366Sadrian sc->fw_fp = fp; 4409173362Sbenjsc 4410278366Sadrian if (fp->datasize < sizeof (struct wpi_firmware_hdr)) { 4411278366Sadrian device_printf(sc->sc_dev, 4412278366Sadrian "firmware file too short: %zu bytes\n", fp->datasize); 4413278366Sadrian error = EINVAL; 4414278366Sadrian goto fail; 4415173362Sbenjsc } 4416173362Sbenjsc 4417278366Sadrian fw->size = fp->datasize; 4418278366Sadrian fw->data = (const uint8_t *)fp->data; 4419278366Sadrian 4420278366Sadrian /* Extract firmware header information. */ 4421278366Sadrian hdr = (const struct wpi_firmware_hdr *)fw->data; 4422278366Sadrian 4423278366Sadrian /* | RUNTIME FIRMWARE | INIT FIRMWARE | BOOT FW | 4424278366Sadrian |HDR|<--TEXT-->|<--DATA-->|<--TEXT-->|<--DATA-->|<--TEXT-->| */ 4425278366Sadrian 4426278366Sadrian fw->main.textsz = le32toh(hdr->rtextsz); 4427278366Sadrian fw->main.datasz = le32toh(hdr->rdatasz); 4428278366Sadrian fw->init.textsz = le32toh(hdr->itextsz); 4429278366Sadrian fw->init.datasz = le32toh(hdr->idatasz); 4430278366Sadrian fw->boot.textsz = le32toh(hdr->btextsz); 4431278366Sadrian fw->boot.datasz = 0; 4432278366Sadrian 4433278366Sadrian /* Sanity-check firmware header. */ 4434278366Sadrian if (fw->main.textsz > WPI_FW_TEXT_MAXSZ || 4435278366Sadrian fw->main.datasz > WPI_FW_DATA_MAXSZ || 4436278366Sadrian fw->init.textsz > WPI_FW_TEXT_MAXSZ || 4437278366Sadrian fw->init.datasz > WPI_FW_DATA_MAXSZ || 4438278366Sadrian fw->boot.textsz > WPI_FW_BOOT_TEXT_MAXSZ || 4439278366Sadrian (fw->boot.textsz & 3) != 0) { 4440278366Sadrian device_printf(sc->sc_dev, "invalid firmware header\n"); 4441278366Sadrian error = EINVAL; 4442278366Sadrian goto fail; 4443173362Sbenjsc } 4444173362Sbenjsc 4445278366Sadrian /* Check that all firmware sections fit. */ 4446278366Sadrian if (fw->size < sizeof (*hdr) + fw->main.textsz + fw->main.datasz + 4447278366Sadrian fw->init.textsz + fw->init.datasz + fw->boot.textsz) { 4448173362Sbenjsc device_printf(sc->sc_dev, 4449278366Sadrian "firmware file too short: %zu bytes\n", fw->size); 4450278366Sadrian error = EINVAL; 4451278366Sadrian goto fail; 4452173362Sbenjsc } 4453173362Sbenjsc 4454278366Sadrian /* Get pointers to firmware sections. */ 4455278366Sadrian fw->main.text = (const uint8_t *)(hdr + 1); 4456278366Sadrian fw->main.data = fw->main.text + fw->main.textsz; 4457278366Sadrian fw->init.text = fw->main.data + fw->main.datasz; 4458278366Sadrian fw->init.data = fw->init.text + fw->init.textsz; 4459278366Sadrian fw->boot.text = fw->init.data + fw->init.datasz; 4460177043Sthompsa 4461278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4462278366Sadrian "Firmware Version: Major %d, Minor %d, Driver %d, \n" 4463280066Sadrian "runtime (text: %u, data: %u) init (text: %u, data %u) " 4464280066Sadrian "boot (text %u)\n", hdr->major, hdr->minor, le32toh(hdr->driver), 4465278366Sadrian fw->main.textsz, fw->main.datasz, 4466278366Sadrian fw->init.textsz, fw->init.datasz, fw->boot.textsz); 4467278366Sadrian 4468278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.text %p\n", fw->main.text); 4469278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.data %p\n", fw->main.data); 4470278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.text %p\n", fw->init.text); 4471278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.data %p\n", fw->init.data); 4472278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->boot.text %p\n", fw->boot.text); 4473278366Sadrian 4474278366Sadrian return 0; 4475278366Sadrian 4476278366Sadrianfail: wpi_unload_firmware(sc); 4477278366Sadrian return error; 4478173362Sbenjsc} 4479173362Sbenjsc 4480278366Sadrian/** 4481278366Sadrian * Free the referenced firmware image 4482278366Sadrian */ 4483173362Sbenjscstatic void 4484278366Sadrianwpi_unload_firmware(struct wpi_softc *sc) 4485173362Sbenjsc{ 4486278366Sadrian if (sc->fw_fp != NULL) { 4487278366Sadrian firmware_put(sc->fw_fp, FIRMWARE_UNLOAD); 4488278366Sadrian sc->fw_fp = NULL; 4489278366Sadrian } 4490278366Sadrian} 4491173362Sbenjsc 4492278366Sadrianstatic int 4493278366Sadrianwpi_clock_wait(struct wpi_softc *sc) 4494278366Sadrian{ 4495278366Sadrian int ntries; 4496173362Sbenjsc 4497278366Sadrian /* Set "initialization complete" bit. */ 4498278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4499278366Sadrian 4500278366Sadrian /* Wait for clock stabilization. */ 4501278366Sadrian for (ntries = 0; ntries < 2500; ntries++) { 4502278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_MAC_CLOCK_READY) 4503278366Sadrian return 0; 4504278366Sadrian DELAY(100); 4505278366Sadrian } 4506278366Sadrian device_printf(sc->sc_dev, 4507278366Sadrian "%s: timeout waiting for clock stabilization\n", __func__); 4508278366Sadrian 4509278366Sadrian return ETIMEDOUT; 4510173362Sbenjsc} 4511178354Ssam 4512278366Sadrianstatic int 4513278366Sadrianwpi_apm_init(struct wpi_softc *sc) 4514173362Sbenjsc{ 4515278366Sadrian uint32_t reg; 4516278366Sadrian int error; 4517173362Sbenjsc 4518278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4519173362Sbenjsc 4520278366Sadrian /* Disable L0s exit timer (NMI bug workaround). */ 4521278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_DIS_L0S_TIMER); 4522278366Sadrian /* Don't wait for ICH L0s (ICH bug workaround). */ 4523278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_L1A_NO_L0S_RX); 4524173362Sbenjsc 4525278366Sadrian /* Set FH wait threshold to max (HW bug under stress workaround). */ 4526278366Sadrian WPI_SETBITS(sc, WPI_DBG_HPET_MEM, 0xffff0000); 4527173362Sbenjsc 4528278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 4529278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 4530278366Sadrian /* Workaround for HW instability in PCIe L0->L0s->L1 transition. */ 4531278366Sadrian if (reg & 0x02) /* L1 Entry enabled. */ 4532278366Sadrian WPI_SETBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4533278366Sadrian else 4534278366Sadrian WPI_CLRBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4535173362Sbenjsc 4536278366Sadrian WPI_SETBITS(sc, WPI_ANA_PLL, WPI_ANA_PLL_INIT); 4537173362Sbenjsc 4538278366Sadrian /* Wait for clock stabilization before accessing prph. */ 4539278366Sadrian if ((error = wpi_clock_wait(sc)) != 0) 4540278366Sadrian return error; 4541173362Sbenjsc 4542278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4543278366Sadrian return error; 4544278366Sadrian /* Enable DMA and BSM (Bootstrap State Machine). */ 4545278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_EN, 4546278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT | WPI_APMG_CLK_CTRL_BSM_CLK_RQT); 4547278366Sadrian DELAY(20); 4548278366Sadrian /* Disable L1-Active. */ 4549278366Sadrian wpi_prph_setbits(sc, WPI_APMG_PCI_STT, WPI_APMG_PCI_STT_L1A_DIS); 4550278764Sadrian /* ??? */ 4551278764Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, 0x00000E00); 4552278366Sadrian wpi_nic_unlock(sc); 4553173362Sbenjsc 4554278366Sadrian return 0; 4555278366Sadrian} 4556173362Sbenjsc 4557278366Sadrianstatic void 4558278366Sadrianwpi_apm_stop_master(struct wpi_softc *sc) 4559278366Sadrian{ 4560278366Sadrian int ntries; 4561278366Sadrian 4562278366Sadrian /* Stop busmaster DMA activity. */ 4563278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_STOP_MASTER); 4564278366Sadrian 4565278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_PS_MASK) == 4566278366Sadrian WPI_GP_CNTRL_MAC_PS) 4567278366Sadrian return; /* Already asleep. */ 4568278366Sadrian 4569278366Sadrian for (ntries = 0; ntries < 100; ntries++) { 4570278366Sadrian if (WPI_READ(sc, WPI_RESET) & WPI_RESET_MASTER_DISABLED) 4571278366Sadrian return; 4572278366Sadrian DELAY(10); 4573278366Sadrian } 4574280066Sadrian device_printf(sc->sc_dev, "%s: timeout waiting for master\n", 4575280066Sadrian __func__); 4576173362Sbenjsc} 4577173362Sbenjsc 4578173362Sbenjscstatic void 4579278366Sadrianwpi_apm_stop(struct wpi_softc *sc) 4580173362Sbenjsc{ 4581278366Sadrian wpi_apm_stop_master(sc); 4582278366Sadrian 4583278366Sadrian /* Reset the entire device. */ 4584278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_SW); 4585278366Sadrian DELAY(10); 4586278366Sadrian /* Clear "initialization complete" bit. */ 4587278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4588173362Sbenjsc} 4589173362Sbenjsc 4590173362Sbenjscstatic void 4591278366Sadrianwpi_nic_config(struct wpi_softc *sc) 4592173362Sbenjsc{ 4593278366Sadrian uint32_t rev; 4594173362Sbenjsc 4595278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4596177043Sthompsa 4597278366Sadrian /* voodoo from the Linux "driver".. */ 4598278366Sadrian rev = pci_read_config(sc->sc_dev, PCIR_REVID, 1); 4599278366Sadrian if ((rev & 0xc0) == 0x40) 4600278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MB); 4601278366Sadrian else if (!(rev & 0x80)) 4602278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MM); 4603173362Sbenjsc 4604278366Sadrian if (sc->cap == 0x80) 4605278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_SKU_MRC); 4606173362Sbenjsc 4607280076Sadrian if ((sc->rev & 0xf0) == 0xd0) 4608278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4609278366Sadrian else 4610278366Sadrian WPI_CLRBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4611278366Sadrian 4612278366Sadrian if (sc->type > 1) 4613278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_TYPE_B); 4614173362Sbenjsc} 4615173362Sbenjsc 4616278366Sadrianstatic int 4617278366Sadrianwpi_hw_init(struct wpi_softc *sc) 4618173362Sbenjsc{ 4619278366Sadrian int chnl, ntries, error; 4620178354Ssam 4621278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4622278366Sadrian 4623278366Sadrian /* Clear pending interrupts. */ 4624278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4625278366Sadrian 4626278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 4627278366Sadrian device_printf(sc->sc_dev, 4628278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 4629278366Sadrian error); 4630278366Sadrian return error; 4631173362Sbenjsc } 4632173362Sbenjsc 4633278366Sadrian /* Select VMAIN power source. */ 4634278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4635278366Sadrian return error; 4636278366Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, WPI_APMG_PS_PWR_SRC_MASK); 4637278366Sadrian wpi_nic_unlock(sc); 4638278366Sadrian /* Spin until VMAIN gets selected. */ 4639278366Sadrian for (ntries = 0; ntries < 5000; ntries++) { 4640278366Sadrian if (WPI_READ(sc, WPI_GPIO_IN) & WPI_GPIO_IN_VMAIN) 4641278366Sadrian break; 4642278366Sadrian DELAY(10); 4643278366Sadrian } 4644278366Sadrian if (ntries == 5000) { 4645278366Sadrian device_printf(sc->sc_dev, "timeout selecting power source\n"); 4646278366Sadrian return ETIMEDOUT; 4647278366Sadrian } 4648173362Sbenjsc 4649278366Sadrian /* Perform adapter initialization. */ 4650278366Sadrian wpi_nic_config(sc); 4651173362Sbenjsc 4652278366Sadrian /* Initialize RX ring. */ 4653278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4654278366Sadrian return error; 4655278366Sadrian /* Set physical address of RX ring. */ 4656278366Sadrian WPI_WRITE(sc, WPI_FH_RX_BASE, sc->rxq.desc_dma.paddr); 4657278366Sadrian /* Set physical address of RX read pointer. */ 4658278366Sadrian WPI_WRITE(sc, WPI_FH_RX_RPTR_ADDR, sc->shared_dma.paddr + 4659278366Sadrian offsetof(struct wpi_shared, next)); 4660278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, 0); 4661278366Sadrian /* Enable RX. */ 4662278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 4663278366Sadrian WPI_FH_RX_CONFIG_DMA_ENA | 4664278366Sadrian WPI_FH_RX_CONFIG_RDRBD_ENA | 4665278366Sadrian WPI_FH_RX_CONFIG_WRSTATUS_ENA | 4666278366Sadrian WPI_FH_RX_CONFIG_MAXFRAG | 4667278366Sadrian WPI_FH_RX_CONFIG_NRBD(WPI_RX_RING_COUNT_LOG) | 4668278366Sadrian WPI_FH_RX_CONFIG_IRQ_DST_HOST | 4669278366Sadrian WPI_FH_RX_CONFIG_IRQ_TIMEOUT(1)); 4670278366Sadrian (void)WPI_READ(sc, WPI_FH_RSSR_TBL); /* barrier */ 4671278366Sadrian wpi_nic_unlock(sc); 4672278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, (WPI_RX_RING_COUNT - 1) & ~7); 4673173362Sbenjsc 4674278366Sadrian /* Initialize TX rings. */ 4675278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4676278366Sadrian return error; 4677278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 2); /* bypass mode */ 4678278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_ARASTAT, 1); /* enable RA0 */ 4679278366Sadrian /* Enable all 6 TX rings. */ 4680278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0x3f); 4681278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE1, 0x10000); 4682278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE2, 0x30002); 4683278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF4MF, 4); 4684278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF5MF, 5); 4685278366Sadrian /* Set physical address of TX rings. */ 4686278366Sadrian WPI_WRITE(sc, WPI_FH_TX_BASE, sc->shared_dma.paddr); 4687278366Sadrian WPI_WRITE(sc, WPI_FH_MSG_CONFIG, 0xffff05a5); 4688278366Sadrian 4689278366Sadrian /* Enable all DMA channels. */ 4690278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 4691278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_CTRL(chnl), 0); 4692278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_BASE(chnl), 0); 4693278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0x80200008); 4694173362Sbenjsc } 4695278366Sadrian wpi_nic_unlock(sc); 4696278366Sadrian (void)WPI_READ(sc, WPI_FH_TX_BASE); /* barrier */ 4697278366Sadrian 4698278366Sadrian /* Clear "radio off" and "commands blocked" bits. */ 4699278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4700278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_CMD_BLOCKED); 4701278366Sadrian 4702278366Sadrian /* Clear pending interrupts. */ 4703278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4704278366Sadrian /* Enable interrupts. */ 4705278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 4706278366Sadrian 4707278366Sadrian /* _Really_ make sure "radio off" bit is cleared! */ 4708278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4709278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4710278366Sadrian 4711278366Sadrian if ((error = wpi_load_firmware(sc)) != 0) { 4712278366Sadrian device_printf(sc->sc_dev, 4713278366Sadrian "%s: could not load firmware, error %d\n", __func__, 4714278366Sadrian error); 4715278366Sadrian return error; 4716278366Sadrian } 4717278366Sadrian /* Wait at most one second for firmware alive notification. */ 4718280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4719278366Sadrian device_printf(sc->sc_dev, 4720278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4721278366Sadrian __func__, error); 4722278366Sadrian return error; 4723278366Sadrian } 4724278366Sadrian 4725278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4726278366Sadrian 4727278366Sadrian /* Do post-firmware initialization. */ 4728278366Sadrian return wpi_post_alive(sc); 4729173362Sbenjsc} 4730173362Sbenjsc 4731173362Sbenjscstatic void 4732278366Sadrianwpi_hw_stop(struct wpi_softc *sc) 4733173362Sbenjsc{ 4734278366Sadrian int chnl, qid, ntries; 4735173362Sbenjsc 4736278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4737173362Sbenjsc 4738278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) 4739278366Sadrian wpi_nic_lock(sc); 4740173362Sbenjsc 4741278366Sadrian WPI_WRITE(sc, WPI_RESET, WPI_RESET_NEVO); 4742173362Sbenjsc 4743278366Sadrian /* Disable interrupts. */ 4744278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 4745278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4746278366Sadrian WPI_WRITE(sc, WPI_FH_INT, 0xffffffff); 4747173362Sbenjsc 4748278366Sadrian /* Make sure we no longer hold the NIC lock. */ 4749278366Sadrian wpi_nic_unlock(sc); 4750173362Sbenjsc 4751278366Sadrian if (wpi_nic_lock(sc) == 0) { 4752278366Sadrian /* Stop TX scheduler. */ 4753278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 0); 4754278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0); 4755179957Sthompsa 4756278366Sadrian /* Stop all DMA channels. */ 4757278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 4758278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0); 4759278366Sadrian for (ntries = 0; ntries < 200; ntries++) { 4760278366Sadrian if (WPI_READ(sc, WPI_FH_TX_STATUS) & 4761278366Sadrian WPI_FH_TX_STATUS_IDLE(chnl)) 4762278366Sadrian break; 4763278366Sadrian DELAY(10); 4764278366Sadrian } 4765173362Sbenjsc } 4766278366Sadrian wpi_nic_unlock(sc); 4767278366Sadrian } 4768173362Sbenjsc 4769278366Sadrian /* Stop RX ring. */ 4770278366Sadrian wpi_reset_rx_ring(sc); 4771173362Sbenjsc 4772278366Sadrian /* Reset all TX rings. */ 4773278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 4774278366Sadrian wpi_reset_tx_ring(sc, &sc->txq[qid]); 4775173362Sbenjsc 4776278366Sadrian if (wpi_nic_lock(sc) == 0) { 4777278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 4778278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT); 4779278366Sadrian wpi_nic_unlock(sc); 4780173362Sbenjsc } 4781278366Sadrian DELAY(5); 4782278366Sadrian /* Power OFF adapter. */ 4783278366Sadrian wpi_apm_stop(sc); 4784173362Sbenjsc} 4785173362Sbenjsc 4786173362Sbenjscstatic void 4787278366Sadrianwpi_radio_on(void *arg0, int pending) 4788173362Sbenjsc{ 4789278366Sadrian struct wpi_softc *sc = arg0; 4790278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4791278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 4792278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4793173362Sbenjsc 4794278366Sadrian device_printf(sc->sc_dev, "RF switch: radio enabled\n"); 4795173362Sbenjsc 4796278366Sadrian if (vap != NULL) { 4797278366Sadrian wpi_init(sc); 4798278366Sadrian ieee80211_init(vap); 4799278366Sadrian } 4800173362Sbenjsc 4801278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL) { 4802278366Sadrian WPI_LOCK(sc); 4803278366Sadrian callout_stop(&sc->watchdog_rfkill); 4804278366Sadrian WPI_UNLOCK(sc); 4805173362Sbenjsc } 4806173362Sbenjsc} 4807173362Sbenjsc 4808278366Sadrianstatic void 4809278366Sadrianwpi_radio_off(void *arg0, int pending) 4810173362Sbenjsc{ 4811278366Sadrian struct wpi_softc *sc = arg0; 4812178354Ssam struct ifnet *ifp = sc->sc_ifp; 4813178354Ssam struct ieee80211com *ic = ifp->if_l2com; 4814278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4815173362Sbenjsc 4816278366Sadrian device_printf(sc->sc_dev, "RF switch: radio disabled\n"); 4817173362Sbenjsc 4818278366Sadrian wpi_stop(sc); 4819278366Sadrian if (vap != NULL) 4820278366Sadrian ieee80211_stop(vap); 4821173362Sbenjsc 4822280053Sadrian WPI_LOCK(sc); 4823278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, sc); 4824280053Sadrian WPI_UNLOCK(sc); 4825278366Sadrian} 4826173362Sbenjsc 4827278366Sadrianstatic void 4828278366Sadrianwpi_init_locked(struct wpi_softc *sc) 4829278366Sadrian{ 4830278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4831278366Sadrian int error; 4832173362Sbenjsc 4833278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4834173362Sbenjsc 4835278366Sadrian WPI_LOCK_ASSERT(sc); 4836278366Sadrian 4837278366Sadrian /* Check that the radio is not disabled by hardware switch. */ 4838278366Sadrian if (!(WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL)) { 4839278366Sadrian device_printf(sc->sc_dev, 4840278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4841278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 4842278366Sadrian sc); 4843278366Sadrian return; 4844173362Sbenjsc } 4845173362Sbenjsc 4846278366Sadrian /* Read firmware images from the filesystem. */ 4847278366Sadrian if ((error = wpi_read_firmware(sc)) != 0) { 4848278366Sadrian device_printf(sc->sc_dev, 4849278366Sadrian "%s: could not read firmware, error %d\n", __func__, 4850278366Sadrian error); 4851278366Sadrian goto fail; 4852278366Sadrian } 4853173362Sbenjsc 4854278366Sadrian /* Initialize hardware and upload firmware. */ 4855278366Sadrian error = wpi_hw_init(sc); 4856278366Sadrian wpi_unload_firmware(sc); 4857278366Sadrian if (error != 0) { 4858278366Sadrian device_printf(sc->sc_dev, 4859278366Sadrian "%s: could not initialize hardware, error %d\n", __func__, 4860278366Sadrian error); 4861278366Sadrian goto fail; 4862278366Sadrian } 4863173362Sbenjsc 4864278366Sadrian /* Configure adapter now that it is ready. */ 4865280071Sadrian sc->txq_active = 1; 4866278366Sadrian if ((error = wpi_config(sc)) != 0) { 4867278366Sadrian device_printf(sc->sc_dev, 4868278366Sadrian "%s: could not configure device, error %d\n", __func__, 4869278366Sadrian error); 4870278366Sadrian goto fail; 4871278366Sadrian } 4872173362Sbenjsc 4873278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 4874278366Sadrian ifp->if_drv_flags |= IFF_DRV_RUNNING; 4875173362Sbenjsc 4876278366Sadrian callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 4877173362Sbenjsc 4878278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4879173362Sbenjsc 4880278366Sadrian return; 4881173362Sbenjsc 4882278366Sadrianfail: wpi_stop_locked(sc); 4883278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 4884278366Sadrian} 4885173362Sbenjsc 4886278366Sadrianstatic void 4887278366Sadrianwpi_init(void *arg) 4888278366Sadrian{ 4889278366Sadrian struct wpi_softc *sc = arg; 4890278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4891278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 4892173362Sbenjsc 4893278366Sadrian WPI_LOCK(sc); 4894278366Sadrian wpi_init_locked(sc); 4895278366Sadrian WPI_UNLOCK(sc); 4896173362Sbenjsc 4897278366Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 4898278366Sadrian ieee80211_start_all(ic); 4899278366Sadrian} 4900173362Sbenjsc 4901278366Sadrianstatic void 4902278366Sadrianwpi_stop_locked(struct wpi_softc *sc) 4903278366Sadrian{ 4904278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4905173362Sbenjsc 4906278366Sadrian WPI_LOCK_ASSERT(sc); 4907278366Sadrian 4908280071Sadrian WPI_TXQ_LOCK(sc); 4909280071Sadrian sc->txq_active = 0; 4910280071Sadrian WPI_TXQ_UNLOCK(sc); 4911280071Sadrian 4912278366Sadrian sc->sc_scan_timer = 0; 4913278366Sadrian sc->sc_tx_timer = 0; 4914278366Sadrian callout_stop(&sc->watchdog_to); 4915278366Sadrian callout_stop(&sc->calib_to); 4916278366Sadrian ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 4917278366Sadrian 4918278366Sadrian /* Power OFF hardware. */ 4919278366Sadrian wpi_hw_stop(sc); 4920173362Sbenjsc} 4921173362Sbenjsc 4922278366Sadrianstatic void 4923278366Sadrianwpi_stop(struct wpi_softc *sc) 4924278366Sadrian{ 4925278366Sadrian WPI_LOCK(sc); 4926278366Sadrian wpi_stop_locked(sc); 4927278366Sadrian WPI_UNLOCK(sc); 4928278366Sadrian} 4929278366Sadrian 4930278366Sadrian/* 4931278366Sadrian * Callback from net80211 to start a scan. 4932173362Sbenjsc */ 4933173362Sbenjscstatic void 4934173362Sbenjscwpi_scan_start(struct ieee80211com *ic) 4935173362Sbenjsc{ 4936280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4937173362Sbenjsc 4938191746Sthompsa wpi_set_led(sc, WPI_LED_LINK, 20, 2); 4939173362Sbenjsc} 4940173362Sbenjsc 4941278366Sadrian/* 4942278366Sadrian * Callback from net80211 to terminate a scan. 4943173362Sbenjsc */ 4944173362Sbenjscstatic void 4945173362Sbenjscwpi_scan_end(struct ieee80211com *ic) 4946173362Sbenjsc{ 4947278366Sadrian struct ifnet *ifp = ic->ic_ifp; 4948278366Sadrian struct wpi_softc *sc = ifp->if_softc; 4949278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4950278366Sadrian 4951280073Sadrian if (vap->iv_state == IEEE80211_S_RUN) 4952278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 4953173362Sbenjsc} 4954173362Sbenjsc 4955173362Sbenjsc/** 4956173362Sbenjsc * Called by the net80211 framework to indicate to the driver 4957173362Sbenjsc * that the channel should be changed 4958173362Sbenjsc */ 4959173362Sbenjscstatic void 4960173362Sbenjscwpi_set_channel(struct ieee80211com *ic) 4961173362Sbenjsc{ 4962278366Sadrian const struct ieee80211_channel *c = ic->ic_curchan; 4963173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 4964173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 4965191746Sthompsa int error; 4966173362Sbenjsc 4967278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4968278366Sadrian 4969278366Sadrian WPI_LOCK(sc); 4970278366Sadrian sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq); 4971278366Sadrian sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags); 4972278366Sadrian sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq); 4973278366Sadrian sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags); 4974278366Sadrian 4975177043Sthompsa /* 4976177043Sthompsa * Only need to set the channel in Monitor mode. AP scanning and auth 4977177043Sthompsa * are already taken care of by their respective firmware commands. 4978177043Sthompsa */ 4979191746Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 4980278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 4981278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) { 4982278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | 4983278366Sadrian WPI_RXON_24GHZ); 4984278366Sadrian } else { 4985278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_AUTO | 4986278366Sadrian WPI_RXON_24GHZ); 4987278366Sadrian } 4988278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) 4989191746Sthompsa device_printf(sc->sc_dev, 4990278366Sadrian "%s: error %d settting channel\n", __func__, 4991278366Sadrian error); 4992191746Sthompsa } 4993278366Sadrian WPI_UNLOCK(sc); 4994173362Sbenjsc} 4995173362Sbenjsc 4996173362Sbenjsc/** 4997173362Sbenjsc * Called by net80211 to indicate that we need to scan the current 4998173362Sbenjsc * channel. The channel is previously be set via the wpi_set_channel 4999173362Sbenjsc * callback. 5000173362Sbenjsc */ 5001173362Sbenjscstatic void 5002178354Ssamwpi_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 5003173362Sbenjsc{ 5004178354Ssam struct ieee80211vap *vap = ss->ss_vap; 5005278366Sadrian struct ieee80211com *ic = vap->iv_ic; 5006280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 5007278366Sadrian int error; 5008173362Sbenjsc 5009278366Sadrian if (sc->rxon.chan != ieee80211_chan2ieee(ic, ic->ic_curchan)) { 5010278366Sadrian WPI_LOCK(sc); 5011278366Sadrian error = wpi_scan(sc, ic->ic_curchan); 5012278366Sadrian WPI_UNLOCK(sc); 5013278366Sadrian if (error != 0) 5014278366Sadrian ieee80211_cancel_scan(vap); 5015278366Sadrian } else { 5016278366Sadrian /* Send probe request when associated. */ 5017278366Sadrian sc->sc_scan_curchan(ss, maxdwell); 5018278366Sadrian } 5019173362Sbenjsc} 5020173362Sbenjsc 5021173362Sbenjsc/** 5022173362Sbenjsc * Called by the net80211 framework to indicate 5023173362Sbenjsc * the minimum dwell time has been met, terminate the scan. 5024173362Sbenjsc * We don't actually terminate the scan as the firmware will notify 5025173362Sbenjsc * us when it's finished and we have no way to interrupt it. 5026173362Sbenjsc */ 5027173362Sbenjscstatic void 5028178354Ssamwpi_scan_mindwell(struct ieee80211_scan_state *ss) 5029173362Sbenjsc{ 5030173362Sbenjsc /* NB: don't try to abort scan; wait for firmware to finish */ 5031173362Sbenjsc} 5032173362Sbenjsc 5033173362Sbenjscstatic void 5034278366Sadrianwpi_hw_reset(void *arg, int pending) 5035173362Sbenjsc{ 5036191746Sthompsa struct wpi_softc *sc = arg; 5037177043Sthompsa struct ifnet *ifp = sc->sc_ifp; 5038191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 5039278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5040173362Sbenjsc 5041278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5042173362Sbenjsc 5043278366Sadrian wpi_stop(sc); 5044278366Sadrian if (vap != NULL) 5045278366Sadrian ieee80211_stop(vap); 5046278366Sadrian wpi_init(sc); 5047278366Sadrian if (vap != NULL) 5048278366Sadrian ieee80211_init(vap); 5049173362Sbenjsc} 5050