if_wpi.c revision 280081
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 280081 2015-03-15 20:48:32Z 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 *); 198280078Sadrianstatic void wpi_start_task(void *, int); 199278366Sadrianstatic void wpi_watchdog_rfkill(void *); 200278366Sadrianstatic void wpi_watchdog(void *); 201173362Sbenjscstatic int wpi_ioctl(struct ifnet *, u_long, caddr_t); 202278366Sadrianstatic int wpi_cmd(struct wpi_softc *, int, const void *, size_t, int); 203173362Sbenjscstatic int wpi_mrr_setup(struct wpi_softc *); 204278366Sadrianstatic int wpi_add_node(struct wpi_softc *, struct ieee80211_node *); 205278366Sadrianstatic int wpi_add_broadcast_node(struct wpi_softc *, int); 206278366Sadrianstatic int wpi_add_ibss_node(struct wpi_softc *, struct ieee80211_node *); 207278366Sadrianstatic void wpi_del_node(struct wpi_softc *, struct ieee80211_node *); 208278366Sadrianstatic int wpi_updateedca(struct ieee80211com *); 209278366Sadrianstatic void wpi_set_promisc(struct wpi_softc *); 210278366Sadrianstatic void wpi_update_promisc(struct ifnet *); 211278366Sadrianstatic void wpi_update_mcast(struct ifnet *); 212173362Sbenjscstatic void wpi_set_led(struct wpi_softc *, uint8_t, uint8_t, uint8_t); 213278366Sadrianstatic int wpi_set_timing(struct wpi_softc *, struct ieee80211_node *); 214278366Sadrianstatic void wpi_power_calibration(struct wpi_softc *); 215278366Sadrianstatic int wpi_set_txpower(struct wpi_softc *, int); 216278366Sadrianstatic int wpi_get_power_index(struct wpi_softc *, 217278366Sadrian struct wpi_power_group *, struct ieee80211_channel *, int); 218278366Sadrianstatic int wpi_set_pslevel(struct wpi_softc *, uint8_t, int, int); 219278366Sadrianstatic int wpi_send_btcoex(struct wpi_softc *); 220278366Sadrianstatic int wpi_send_rxon(struct wpi_softc *, int, int); 221278366Sadrianstatic int wpi_config(struct wpi_softc *); 222278366Sadrianstatic uint16_t wpi_get_active_dwell_time(struct wpi_softc *, 223278366Sadrian struct ieee80211_channel *, uint8_t); 224278366Sadrianstatic uint16_t wpi_limit_dwell(struct wpi_softc *, uint16_t); 225278366Sadrianstatic uint16_t wpi_get_passive_dwell_time(struct wpi_softc *, 226278366Sadrian struct ieee80211_channel *); 227278366Sadrianstatic int wpi_scan(struct wpi_softc *, struct ieee80211_channel *); 228278366Sadrianstatic int wpi_auth(struct wpi_softc *, struct ieee80211vap *); 229278366Sadrianstatic void wpi_update_beacon(struct ieee80211vap *, int); 230173362Sbenjscstatic int wpi_setup_beacon(struct wpi_softc *, struct ieee80211_node *); 231280079Sadrianstatic void wpi_newassoc(struct ieee80211_node *, int); 232178354Ssamstatic int wpi_run(struct wpi_softc *, struct ieee80211vap *); 233278366Sadrianstatic int wpi_key_alloc(struct ieee80211vap *, struct ieee80211_key *, 234278366Sadrian ieee80211_keyix *, ieee80211_keyix *); 235278366Sadrianstatic int wpi_key_set(struct ieee80211vap *, 236278366Sadrian const struct ieee80211_key *, 237278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 238278366Sadrianstatic int wpi_key_delete(struct ieee80211vap *, 239278366Sadrian const struct ieee80211_key *); 240278366Sadrianstatic int wpi_post_alive(struct wpi_softc *); 241278366Sadrianstatic int wpi_load_bootcode(struct wpi_softc *, const uint8_t *, int); 242278366Sadrianstatic int wpi_load_firmware(struct wpi_softc *); 243278366Sadrianstatic int wpi_read_firmware(struct wpi_softc *); 244278366Sadrianstatic void wpi_unload_firmware(struct wpi_softc *); 245278366Sadrianstatic int wpi_clock_wait(struct wpi_softc *); 246278366Sadrianstatic int wpi_apm_init(struct wpi_softc *); 247278366Sadrianstatic void wpi_apm_stop_master(struct wpi_softc *); 248278366Sadrianstatic void wpi_apm_stop(struct wpi_softc *); 249278366Sadrianstatic void wpi_nic_config(struct wpi_softc *); 250278366Sadrianstatic int wpi_hw_init(struct wpi_softc *); 251278366Sadrianstatic void wpi_hw_stop(struct wpi_softc *); 252278366Sadrianstatic void wpi_radio_on(void *, int); 253278366Sadrianstatic void wpi_radio_off(void *, int); 254278366Sadrianstatic void wpi_init_locked(struct wpi_softc *); 255173362Sbenjscstatic void wpi_init(void *); 256278366Sadrianstatic void wpi_stop_locked(struct wpi_softc *); 257173362Sbenjscstatic void wpi_stop(struct wpi_softc *); 258278366Sadrianstatic void wpi_scan_start(struct ieee80211com *); 259278366Sadrianstatic void wpi_scan_end(struct ieee80211com *); 260278366Sadrianstatic void wpi_set_channel(struct ieee80211com *); 261278366Sadrianstatic void wpi_scan_curchan(struct ieee80211_scan_state *, unsigned long); 262278366Sadrianstatic void wpi_scan_mindwell(struct ieee80211_scan_state *); 263278366Sadrianstatic void wpi_hw_reset(void *, int); 264173362Sbenjsc 265173362Sbenjscstatic device_method_t wpi_methods[] = { 266173362Sbenjsc /* Device interface */ 267173362Sbenjsc DEVMETHOD(device_probe, wpi_probe), 268173362Sbenjsc DEVMETHOD(device_attach, wpi_attach), 269173362Sbenjsc DEVMETHOD(device_detach, wpi_detach), 270173362Sbenjsc DEVMETHOD(device_shutdown, wpi_shutdown), 271173362Sbenjsc DEVMETHOD(device_suspend, wpi_suspend), 272173362Sbenjsc DEVMETHOD(device_resume, wpi_resume), 273173362Sbenjsc 274260064Smarius DEVMETHOD_END 275173362Sbenjsc}; 276173362Sbenjsc 277173362Sbenjscstatic driver_t wpi_driver = { 278173362Sbenjsc "wpi", 279173362Sbenjsc wpi_methods, 280173362Sbenjsc sizeof (struct wpi_softc) 281173362Sbenjsc}; 282173362Sbenjscstatic devclass_t wpi_devclass; 283173362Sbenjsc 284260064SmariusDRIVER_MODULE(wpi, pci, wpi_driver, wpi_devclass, NULL, NULL); 285173362Sbenjsc 286222543SbschmidtMODULE_VERSION(wpi, 1); 287222543Sbschmidt 288278366SadrianMODULE_DEPEND(wpi, pci, 1, 1, 1); 289278366SadrianMODULE_DEPEND(wpi, wlan, 1, 1, 1); 290278366SadrianMODULE_DEPEND(wpi, firmware, 1, 1, 1); 291260064Smarius 292173362Sbenjscstatic int 293173362Sbenjscwpi_probe(device_t dev) 294173362Sbenjsc{ 295173362Sbenjsc const struct wpi_ident *ident; 296173362Sbenjsc 297173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 298173362Sbenjsc if (pci_get_vendor(dev) == ident->vendor && 299173362Sbenjsc pci_get_device(dev) == ident->device) { 300173362Sbenjsc device_set_desc(dev, ident->name); 301260064Smarius return (BUS_PROBE_DEFAULT); 302173362Sbenjsc } 303173362Sbenjsc } 304173362Sbenjsc return ENXIO; 305173362Sbenjsc} 306173362Sbenjsc 307173362Sbenjscstatic int 308173362Sbenjscwpi_attach(device_t dev) 309173362Sbenjsc{ 310278366Sadrian struct wpi_softc *sc = (struct wpi_softc *)device_get_softc(dev); 311278366Sadrian struct ieee80211com *ic; 312173362Sbenjsc struct ifnet *ifp; 313280061Sadrian int i, error, rid; 314280061Sadrian#ifdef WPI_DEBUG 315280061Sadrian int supportsa = 1; 316173362Sbenjsc const struct wpi_ident *ident; 317280061Sadrian#endif 318190526Ssam uint8_t macaddr[IEEE80211_ADDR_LEN]; 319173362Sbenjsc 320173362Sbenjsc sc->sc_dev = dev; 321173362Sbenjsc 322280059Sadrian#ifdef WPI_DEBUG 323278366Sadrian error = resource_int_value(device_get_name(sc->sc_dev), 324278366Sadrian device_get_unit(sc->sc_dev), "debug", &(sc->sc_debug)); 325278366Sadrian if (error != 0) 326278366Sadrian sc->sc_debug = 0; 327278366Sadrian#else 328278366Sadrian sc->sc_debug = 0; 329278366Sadrian#endif 330173362Sbenjsc 331278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 332278366Sadrian 333173362Sbenjsc /* 334278366Sadrian * Get the offset of the PCI Express Capability Structure in PCI 335278366Sadrian * Configuration Space. 336278366Sadrian */ 337278366Sadrian error = pci_find_cap(dev, PCIY_EXPRESS, &sc->sc_cap_off); 338278366Sadrian if (error != 0) { 339278366Sadrian device_printf(dev, "PCIe capability structure not found!\n"); 340278366Sadrian return error; 341278366Sadrian } 342278366Sadrian 343278366Sadrian /* 344173362Sbenjsc * Some card's only support 802.11b/g not a, check to see if 345173362Sbenjsc * this is one such card. A 0x0 in the subdevice table indicates 346173362Sbenjsc * the entire subdevice range is to be ignored. 347173362Sbenjsc */ 348280061Sadrian#ifdef WPI_DEBUG 349173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 350173362Sbenjsc if (ident->subdevice && 351173362Sbenjsc pci_get_subdevice(dev) == ident->subdevice) { 352173362Sbenjsc supportsa = 0; 353173362Sbenjsc break; 354173362Sbenjsc } 355173362Sbenjsc } 356280061Sadrian#endif 357173362Sbenjsc 358278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 359173362Sbenjsc pci_write_config(dev, 0x41, 0, 1); 360173362Sbenjsc 361278366Sadrian /* Enable bus-mastering. */ 362173362Sbenjsc pci_enable_busmaster(dev); 363173362Sbenjsc 364260064Smarius rid = PCIR_BAR(0); 365260064Smarius sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 366173362Sbenjsc RF_ACTIVE); 367173362Sbenjsc if (sc->mem == NULL) { 368278366Sadrian device_printf(dev, "can't map mem space\n"); 369173362Sbenjsc error = ENOMEM; 370278366Sadrian return error; 371173362Sbenjsc } 372173362Sbenjsc sc->sc_st = rman_get_bustag(sc->mem); 373173362Sbenjsc sc->sc_sh = rman_get_bushandle(sc->mem); 374173362Sbenjsc 375278366Sadrian i = 1; 376260064Smarius rid = 0; 377278366Sadrian if (pci_alloc_msi(dev, &i) == 0) 378278366Sadrian rid = 1; 379278366Sadrian /* Install interrupt handler. */ 380278366Sadrian sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | 381278366Sadrian (rid != 0 ? 0 : RF_SHAREABLE)); 382173362Sbenjsc if (sc->irq == NULL) { 383278366Sadrian device_printf(dev, "can't map interrupt\n"); 384173362Sbenjsc error = ENOMEM; 385173362Sbenjsc goto fail; 386173362Sbenjsc } 387173362Sbenjsc 388278366Sadrian WPI_LOCK_INIT(sc); 389280077Sadrian WPI_NT_LOCK_INIT(sc); 390280071Sadrian WPI_TXQ_LOCK_INIT(sc); 391278366Sadrian 392278366Sadrian /* Allocate DMA memory for firmware transfers. */ 393173362Sbenjsc if ((error = wpi_alloc_fwmem(sc)) != 0) { 394278366Sadrian device_printf(dev, 395278366Sadrian "could not allocate memory for firmware, error %d\n", 396278366Sadrian error); 397173362Sbenjsc goto fail; 398173362Sbenjsc } 399173362Sbenjsc 400278366Sadrian /* Allocate shared page. */ 401173362Sbenjsc if ((error = wpi_alloc_shared(sc)) != 0) { 402173362Sbenjsc device_printf(dev, "could not allocate shared page\n"); 403173362Sbenjsc goto fail; 404173362Sbenjsc } 405173362Sbenjsc 406278366Sadrian /* Allocate TX rings - 4 for QoS purposes, 1 for commands. */ 407278366Sadrian for (i = 0; i < WPI_NTXQUEUES; i++) { 408278366Sadrian if ((error = wpi_alloc_tx_ring(sc, &sc->txq[i], i)) != 0) { 409278366Sadrian device_printf(dev, 410278366Sadrian "could not allocate TX ring %d, error %d\n", i, 411278366Sadrian error); 412278366Sadrian goto fail; 413173362Sbenjsc } 414173362Sbenjsc } 415173362Sbenjsc 416278366Sadrian /* Allocate RX ring. */ 417278366Sadrian if ((error = wpi_alloc_rx_ring(sc)) != 0) { 418278366Sadrian device_printf(dev, "could not allocate RX ring, error %d\n", 419278366Sadrian error); 420173362Sbenjsc goto fail; 421173362Sbenjsc } 422173362Sbenjsc 423278366Sadrian /* Clear pending interrupts. */ 424278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 425173362Sbenjsc 426178354Ssam ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 427173362Sbenjsc if (ifp == NULL) { 428278366Sadrian device_printf(dev, "can not allocate ifnet structure\n"); 429173362Sbenjsc goto fail; 430173362Sbenjsc } 431278366Sadrian 432178354Ssam ic = ifp->if_l2com; 433173362Sbenjsc ic->ic_ifp = ifp; 434178354Ssam ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 435178354Ssam ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 436173362Sbenjsc 437278366Sadrian /* Set device capabilities. */ 438173362Sbenjsc ic->ic_caps = 439178957Ssam IEEE80211_C_STA /* station mode supported */ 440278366Sadrian | IEEE80211_C_IBSS /* IBSS mode supported */ 441178957Ssam | IEEE80211_C_MONITOR /* monitor mode supported */ 442278366Sadrian | IEEE80211_C_AHDEMO /* adhoc demo mode */ 443278366Sadrian | IEEE80211_C_BGSCAN /* capable of bg scanning */ 444173362Sbenjsc | IEEE80211_C_TXPMGT /* tx power management */ 445173362Sbenjsc | IEEE80211_C_SHSLOT /* short slot time supported */ 446278366Sadrian | IEEE80211_C_WPA /* 802.11i */ 447173362Sbenjsc | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 448173362Sbenjsc#if 0 449173362Sbenjsc | IEEE80211_C_HOSTAP /* Host access point mode */ 450173362Sbenjsc#endif 451278366Sadrian | IEEE80211_C_WME /* 802.11e */ 452278366Sadrian | IEEE80211_C_PMGT /* Station-side power mgmt */ 453173362Sbenjsc ; 454173362Sbenjsc 455278366Sadrian ic->ic_cryptocaps = 456278366Sadrian IEEE80211_CRYPTO_AES_CCM; 457278366Sadrian 458173362Sbenjsc /* 459173362Sbenjsc * Read in the eeprom and also setup the channels for 460173362Sbenjsc * net80211. We don't set the rates as net80211 does this for us 461173362Sbenjsc */ 462278366Sadrian if ((error = wpi_read_eeprom(sc, macaddr)) != 0) { 463278366Sadrian device_printf(dev, "could not read EEPROM, error %d\n", 464278366Sadrian error); 465278366Sadrian goto fail; 466280059Sadrian } 467173362Sbenjsc 468280059Sadrian#ifdef WPI_DEBUG 469278366Sadrian if (bootverbose) { 470280059Sadrian device_printf(sc->sc_dev, "Regulatory Domain: %.4s\n", 471280059Sadrian sc->domain); 472280059Sadrian device_printf(sc->sc_dev, "Hardware Type: %c\n", 473280059Sadrian sc->type > 1 ? 'B': '?'); 474280059Sadrian device_printf(sc->sc_dev, "Hardware Revision: %c\n", 475280076Sadrian ((sc->rev & 0xf0) == 0xd0) ? 'D': '?'); 476280059Sadrian device_printf(sc->sc_dev, "SKU %s support 802.11a\n", 477280059Sadrian supportsa ? "does" : "does not"); 478173362Sbenjsc 479280059Sadrian /* XXX hw_config uses the PCIDEV for the Hardware rev. Must 480280059Sadrian check what sc->rev really represents - benjsc 20070615 */ 481173362Sbenjsc } 482278366Sadrian#endif 483173362Sbenjsc 484173362Sbenjsc if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 485173362Sbenjsc ifp->if_softc = sc; 486173362Sbenjsc ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 487173362Sbenjsc ifp->if_init = wpi_init; 488173362Sbenjsc ifp->if_ioctl = wpi_ioctl; 489173362Sbenjsc ifp->if_start = wpi_start; 490207554Ssobomax IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 491207554Ssobomax ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 492173362Sbenjsc IFQ_SET_READY(&ifp->if_snd); 493178354Ssam 494190526Ssam ieee80211_ifattach(ic, macaddr); 495278366Sadrian ic->ic_vap_create = wpi_vap_create; 496278366Sadrian ic->ic_vap_delete = wpi_vap_delete; 497178354Ssam ic->ic_raw_xmit = wpi_raw_xmit; 498278366Sadrian ic->ic_node_alloc = wpi_node_alloc; 499278366Sadrian sc->sc_node_free = ic->ic_node_free; 500278366Sadrian ic->ic_node_free = wpi_node_free; 501278366Sadrian ic->ic_wme.wme_update = wpi_updateedca; 502278366Sadrian ic->ic_update_promisc = wpi_update_promisc; 503278366Sadrian ic->ic_update_mcast = wpi_update_mcast; 504280079Sadrian ic->ic_newassoc = wpi_newassoc; 505173362Sbenjsc ic->ic_scan_start = wpi_scan_start; 506173362Sbenjsc ic->ic_scan_end = wpi_scan_end; 507173362Sbenjsc ic->ic_set_channel = wpi_set_channel; 508278366Sadrian sc->sc_scan_curchan = ic->ic_scan_curchan; 509173362Sbenjsc ic->ic_scan_curchan = wpi_scan_curchan; 510173362Sbenjsc ic->ic_scan_mindwell = wpi_scan_mindwell; 511278366Sadrian ic->ic_setregdomain = wpi_setregdomain; 512173362Sbenjsc 513278366Sadrian wpi_radiotap_attach(sc); 514173362Sbenjsc 515278366Sadrian callout_init_mtx(&sc->calib_to, &sc->sc_mtx, 0); 516278366Sadrian callout_init_mtx(&sc->watchdog_to, &sc->sc_mtx, 0); 517278366Sadrian callout_init_mtx(&sc->watchdog_rfkill, &sc->sc_mtx, 0); 518278366Sadrian TASK_INIT(&sc->sc_reinittask, 0, wpi_hw_reset, sc); 519278366Sadrian TASK_INIT(&sc->sc_radiooff_task, 0, wpi_radio_off, sc); 520278366Sadrian TASK_INIT(&sc->sc_radioon_task, 0, wpi_radio_on, sc); 521280078Sadrian TASK_INIT(&sc->sc_start_task, 0, wpi_start_task, sc); 522173362Sbenjsc 523278366Sadrian wpi_sysctlattach(sc); 524278366Sadrian 525173362Sbenjsc /* 526173362Sbenjsc * Hook our interrupt after all initialization is complete. 527173362Sbenjsc */ 528278366Sadrian error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 529177043Sthompsa NULL, wpi_intr, sc, &sc->sc_ih); 530173362Sbenjsc if (error != 0) { 531278366Sadrian device_printf(dev, "can't establish interrupt, error %d\n", 532278366Sadrian error); 533173362Sbenjsc goto fail; 534173362Sbenjsc } 535173362Sbenjsc 536177043Sthompsa if (bootverbose) 537177043Sthompsa ieee80211_announce(ic); 538278366Sadrian 539278366Sadrian#ifdef WPI_DEBUG 540278366Sadrian if (sc->sc_debug & WPI_DEBUG_HW) 541278366Sadrian ieee80211_announce_channels(ic); 542173362Sbenjsc#endif 543278366Sadrian 544278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 545173362Sbenjsc return 0; 546173362Sbenjsc 547173362Sbenjscfail: wpi_detach(dev); 548278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 549278366Sadrian return error; 550173362Sbenjsc} 551173362Sbenjsc 552278366Sadrian/* 553278366Sadrian * Attach the interface to 802.11 radiotap. 554278366Sadrian */ 555278366Sadrianstatic void 556278366Sadrianwpi_radiotap_attach(struct wpi_softc *sc) 557278366Sadrian{ 558278366Sadrian struct ifnet *ifp = sc->sc_ifp; 559278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 560278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 561278366Sadrian ieee80211_radiotap_attach(ic, 562278366Sadrian &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 563278366Sadrian WPI_TX_RADIOTAP_PRESENT, 564278366Sadrian &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 565278366Sadrian WPI_RX_RADIOTAP_PRESENT); 566278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 567278366Sadrian} 568278366Sadrian 569278366Sadrianstatic void 570278366Sadrianwpi_sysctlattach(struct wpi_softc *sc) 571278366Sadrian{ 572280059Sadrian#ifdef WPI_DEBUG 573278366Sadrian struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 574278366Sadrian struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 575278366Sadrian 576278366Sadrian SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 577278366Sadrian "debug", CTLFLAG_RW, &sc->sc_debug, sc->sc_debug, 578278366Sadrian "control debugging printfs"); 579278366Sadrian#endif 580278366Sadrian} 581278366Sadrian 582278366Sadrianstatic struct ieee80211vap * 583278366Sadrianwpi_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 584278366Sadrian enum ieee80211_opmode opmode, int flags, 585278366Sadrian const uint8_t bssid[IEEE80211_ADDR_LEN], 586278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 587278366Sadrian{ 588278366Sadrian struct wpi_vap *wvp; 589278366Sadrian struct wpi_buf *bcn; 590278366Sadrian struct ieee80211vap *vap; 591278366Sadrian 592278366Sadrian if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 593278366Sadrian return NULL; 594278366Sadrian 595278366Sadrian wvp = (struct wpi_vap *) malloc(sizeof(struct wpi_vap), 596278366Sadrian M_80211_VAP, M_NOWAIT | M_ZERO); 597278366Sadrian if (wvp == NULL) 598278366Sadrian return NULL; 599278366Sadrian vap = &wvp->vap; 600278366Sadrian ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 601278366Sadrian 602278366Sadrian bcn = &wvp->wv_bcbuf; 603278366Sadrian bcn->data = NULL; 604278366Sadrian 605278366Sadrian /* Override with driver methods. */ 606278366Sadrian wvp->newstate = vap->iv_newstate; 607278366Sadrian vap->iv_key_alloc = wpi_key_alloc; 608278366Sadrian vap->iv_key_set = wpi_key_set; 609278366Sadrian vap->iv_key_delete = wpi_key_delete; 610278366Sadrian vap->iv_newstate = wpi_newstate; 611278366Sadrian vap->iv_update_beacon = wpi_update_beacon; 612278366Sadrian 613278366Sadrian ieee80211_ratectl_init(vap); 614278366Sadrian /* Complete setup. */ 615280066Sadrian ieee80211_vap_attach(vap, ieee80211_media_change, 616280066Sadrian ieee80211_media_status); 617278366Sadrian ic->ic_opmode = opmode; 618278366Sadrian return vap; 619278366Sadrian} 620278366Sadrian 621278366Sadrianstatic void 622278366Sadrianwpi_vap_delete(struct ieee80211vap *vap) 623278366Sadrian{ 624278366Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 625278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 626278366Sadrian 627278366Sadrian ieee80211_ratectl_deinit(vap); 628278366Sadrian ieee80211_vap_detach(vap); 629278366Sadrian 630278366Sadrian if (bcn->data != NULL) 631278366Sadrian free(bcn->data, M_DEVBUF); 632278366Sadrian free(wvp, M_80211_VAP); 633278366Sadrian} 634278366Sadrian 635173362Sbenjscstatic int 636173362Sbenjscwpi_detach(device_t dev) 637173362Sbenjsc{ 638173362Sbenjsc struct wpi_softc *sc = device_get_softc(dev); 639178354Ssam struct ifnet *ifp = sc->sc_ifp; 640200530Sgavin struct ieee80211com *ic; 641278366Sadrian int qid; 642173362Sbenjsc 643278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 644260064Smarius 645200530Sgavin if (ifp != NULL) { 646200530Sgavin ic = ifp->if_l2com; 647191746Sthompsa 648278366Sadrian ieee80211_draintask(ic, &sc->sc_reinittask); 649278366Sadrian ieee80211_draintask(ic, &sc->sc_radiooff_task); 650280052Sadrian ieee80211_draintask(ic, &sc->sc_radioon_task); 651280078Sadrian ieee80211_draintask(ic, &sc->sc_start_task); 652278366Sadrian 653173362Sbenjsc wpi_stop(sc); 654278366Sadrian 655173362Sbenjsc callout_drain(&sc->watchdog_to); 656278366Sadrian callout_drain(&sc->watchdog_rfkill); 657173362Sbenjsc callout_drain(&sc->calib_to); 658173362Sbenjsc ieee80211_ifdetach(ic); 659173362Sbenjsc } 660173362Sbenjsc 661278366Sadrian /* Uninstall interrupt handler. */ 662278366Sadrian if (sc->irq != NULL) { 663278366Sadrian bus_teardown_intr(dev, sc->irq, sc->sc_ih); 664278366Sadrian bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), 665278366Sadrian sc->irq); 666278366Sadrian pci_release_msi(dev); 667278366Sadrian } 668278366Sadrian 669173362Sbenjsc if (sc->txq[0].data_dmat) { 670278366Sadrian /* Free DMA resources. */ 671278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 672278366Sadrian wpi_free_tx_ring(sc, &sc->txq[qid]); 673173362Sbenjsc 674278366Sadrian wpi_free_rx_ring(sc); 675173362Sbenjsc wpi_free_shared(sc); 676173362Sbenjsc } 677173362Sbenjsc 678173362Sbenjsc if (sc->fw_dma.tag) 679173362Sbenjsc wpi_free_fwmem(sc); 680278366Sadrian 681173362Sbenjsc if (sc->mem != NULL) 682260064Smarius bus_release_resource(dev, SYS_RES_MEMORY, 683260064Smarius rman_get_rid(sc->mem), sc->mem); 684173362Sbenjsc 685173362Sbenjsc if (ifp != NULL) 686173362Sbenjsc if_free(ifp); 687173362Sbenjsc 688278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 689280071Sadrian WPI_TXQ_LOCK_DESTROY(sc); 690280077Sadrian WPI_NT_LOCK_DESTROY(sc); 691173362Sbenjsc WPI_LOCK_DESTROY(sc); 692278366Sadrian return 0; 693278366Sadrian} 694173362Sbenjsc 695278366Sadrianstatic int 696278366Sadrianwpi_shutdown(device_t dev) 697278366Sadrian{ 698278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 699278366Sadrian 700278366Sadrian wpi_stop(sc); 701173362Sbenjsc return 0; 702173362Sbenjsc} 703173362Sbenjsc 704278366Sadrianstatic int 705278366Sadrianwpi_suspend(device_t dev) 706178354Ssam{ 707278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 708278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 709178354Ssam 710278366Sadrian ieee80211_suspend_all(ic); 711278366Sadrian return 0; 712278366Sadrian} 713178354Ssam 714278366Sadrianstatic int 715278366Sadrianwpi_resume(device_t dev) 716278366Sadrian{ 717278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 718278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 719278366Sadrian 720278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 721278366Sadrian pci_write_config(dev, 0x41, 0, 1); 722278366Sadrian 723278366Sadrian ieee80211_resume_all(ic); 724278366Sadrian return 0; 725178354Ssam} 726178354Ssam 727278366Sadrian/* 728278366Sadrian * Grab exclusive access to NIC memory. 729278366Sadrian */ 730278366Sadrianstatic int 731278366Sadrianwpi_nic_lock(struct wpi_softc *sc) 732178354Ssam{ 733278366Sadrian int ntries; 734178354Ssam 735278366Sadrian /* Request exclusive access to NIC. */ 736278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 737278366Sadrian 738278366Sadrian /* Spin until we actually get the lock. */ 739278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 740278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & 741280059Sadrian (WPI_GP_CNTRL_MAC_ACCESS_ENA | WPI_GP_CNTRL_SLEEP)) == 742278366Sadrian WPI_GP_CNTRL_MAC_ACCESS_ENA) 743278366Sadrian return 0; 744278366Sadrian DELAY(10); 745278366Sadrian } 746278366Sadrian 747278366Sadrian device_printf(sc->sc_dev, "could not lock memory\n"); 748278366Sadrian 749278366Sadrian return ETIMEDOUT; 750178354Ssam} 751178354Ssam 752278366Sadrian/* 753278366Sadrian * Release lock on NIC memory. 754278366Sadrian */ 755278366Sadrianstatic __inline void 756278366Sadrianwpi_nic_unlock(struct wpi_softc *sc) 757278366Sadrian{ 758278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 759278366Sadrian} 760278366Sadrian 761278366Sadrianstatic __inline uint32_t 762278366Sadrianwpi_prph_read(struct wpi_softc *sc, uint32_t addr) 763278366Sadrian{ 764278366Sadrian WPI_WRITE(sc, WPI_PRPH_RADDR, WPI_PRPH_DWORD | addr); 765278366Sadrian WPI_BARRIER_READ_WRITE(sc); 766278366Sadrian return WPI_READ(sc, WPI_PRPH_RDATA); 767278366Sadrian} 768278366Sadrian 769278366Sadrianstatic __inline void 770278366Sadrianwpi_prph_write(struct wpi_softc *sc, uint32_t addr, uint32_t data) 771278366Sadrian{ 772278366Sadrian WPI_WRITE(sc, WPI_PRPH_WADDR, WPI_PRPH_DWORD | addr); 773278366Sadrian WPI_BARRIER_WRITE(sc); 774278366Sadrian WPI_WRITE(sc, WPI_PRPH_WDATA, data); 775278366Sadrian} 776278366Sadrian 777278366Sadrianstatic __inline void 778278366Sadrianwpi_prph_setbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 779278366Sadrian{ 780278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) | mask); 781278366Sadrian} 782278366Sadrian 783278366Sadrianstatic __inline void 784278366Sadrianwpi_prph_clrbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 785278366Sadrian{ 786278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) & ~mask); 787278366Sadrian} 788278366Sadrian 789278366Sadrianstatic __inline void 790278366Sadrianwpi_prph_write_region_4(struct wpi_softc *sc, uint32_t addr, 791278366Sadrian const uint32_t *data, int count) 792278366Sadrian{ 793278366Sadrian for (; count > 0; count--, data++, addr += 4) 794278366Sadrian wpi_prph_write(sc, addr, *data); 795278366Sadrian} 796278366Sadrian 797278366Sadrianstatic __inline uint32_t 798278366Sadrianwpi_mem_read(struct wpi_softc *sc, uint32_t addr) 799278366Sadrian{ 800278366Sadrian WPI_WRITE(sc, WPI_MEM_RADDR, addr); 801278366Sadrian WPI_BARRIER_READ_WRITE(sc); 802278366Sadrian return WPI_READ(sc, WPI_MEM_RDATA); 803278366Sadrian} 804278366Sadrian 805278366Sadrianstatic __inline void 806278366Sadrianwpi_mem_read_region_4(struct wpi_softc *sc, uint32_t addr, uint32_t *data, 807278366Sadrian int count) 808278366Sadrian{ 809278366Sadrian for (; count > 0; count--, addr += 4) 810278366Sadrian *data++ = wpi_mem_read(sc, addr); 811278366Sadrian} 812278366Sadrian 813278366Sadrianstatic int 814278366Sadrianwpi_read_prom_data(struct wpi_softc *sc, uint32_t addr, void *data, int count) 815278366Sadrian{ 816278366Sadrian uint8_t *out = data; 817278366Sadrian uint32_t val; 818278366Sadrian int error, ntries; 819278366Sadrian 820278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 821278366Sadrian 822278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 823278366Sadrian return error; 824278366Sadrian 825278366Sadrian for (; count > 0; count -= 2, addr++) { 826278366Sadrian WPI_WRITE(sc, WPI_EEPROM, addr << 2); 827278366Sadrian for (ntries = 0; ntries < 10; ntries++) { 828278366Sadrian val = WPI_READ(sc, WPI_EEPROM); 829278366Sadrian if (val & WPI_EEPROM_READ_VALID) 830278366Sadrian break; 831278366Sadrian DELAY(5); 832278366Sadrian } 833278366Sadrian if (ntries == 10) { 834278366Sadrian device_printf(sc->sc_dev, 835278366Sadrian "timeout reading ROM at 0x%x\n", addr); 836278366Sadrian return ETIMEDOUT; 837278366Sadrian } 838278366Sadrian *out++= val >> 16; 839278366Sadrian if (count > 1) 840278366Sadrian *out ++= val >> 24; 841278366Sadrian } 842278366Sadrian 843278366Sadrian wpi_nic_unlock(sc); 844278366Sadrian 845278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 846278366Sadrian 847278366Sadrian return 0; 848278366Sadrian} 849278366Sadrian 850178354Ssamstatic void 851173362Sbenjscwpi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 852173362Sbenjsc{ 853173362Sbenjsc if (error != 0) 854173362Sbenjsc return; 855173362Sbenjsc KASSERT(nsegs == 1, ("too many DMA segments, %d should be 1", nsegs)); 856173362Sbenjsc *(bus_addr_t *)arg = segs[0].ds_addr; 857173362Sbenjsc} 858173362Sbenjsc 859177043Sthompsa/* 860177043Sthompsa * Allocates a contiguous block of dma memory of the requested size and 861278366Sadrian * alignment. 862177043Sthompsa */ 863173362Sbenjscstatic int 864173362Sbenjscwpi_dma_contig_alloc(struct wpi_softc *sc, struct wpi_dma_info *dma, 865278366Sadrian void **kvap, bus_size_t size, bus_size_t alignment) 866173362Sbenjsc{ 867173362Sbenjsc int error; 868173362Sbenjsc 869278366Sadrian dma->tag = NULL; 870173362Sbenjsc dma->size = size; 871173362Sbenjsc 872278366Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), alignment, 873278366Sadrian 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, size, 874278366Sadrian 1, size, BUS_DMA_NOWAIT, NULL, NULL, &dma->tag); 875278366Sadrian if (error != 0) 876173362Sbenjsc goto fail; 877278366Sadrian 878278366Sadrian error = bus_dmamem_alloc(dma->tag, (void **)&dma->vaddr, 879278366Sadrian BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, &dma->map); 880278366Sadrian if (error != 0) 881173362Sbenjsc goto fail; 882173362Sbenjsc 883278366Sadrian error = bus_dmamap_load(dma->tag, dma->map, dma->vaddr, size, 884278366Sadrian wpi_dma_map_addr, &dma->paddr, BUS_DMA_NOWAIT); 885278366Sadrian if (error != 0) 886278366Sadrian goto fail; 887177043Sthompsa 888278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 889177043Sthompsa 890173362Sbenjsc if (kvap != NULL) 891173362Sbenjsc *kvap = dma->vaddr; 892173362Sbenjsc 893173362Sbenjsc return 0; 894173362Sbenjsc 895278366Sadrianfail: wpi_dma_contig_free(dma); 896173362Sbenjsc return error; 897173362Sbenjsc} 898173362Sbenjsc 899173362Sbenjscstatic void 900173362Sbenjscwpi_dma_contig_free(struct wpi_dma_info *dma) 901173362Sbenjsc{ 902278366Sadrian if (dma->vaddr != NULL) { 903278366Sadrian bus_dmamap_sync(dma->tag, dma->map, 904278366Sadrian BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 905278366Sadrian bus_dmamap_unload(dma->tag, dma->map); 906278366Sadrian bus_dmamem_free(dma->tag, dma->vaddr, dma->map); 907278366Sadrian dma->vaddr = NULL; 908278366Sadrian } 909278366Sadrian if (dma->tag != NULL) { 910173362Sbenjsc bus_dma_tag_destroy(dma->tag); 911278366Sadrian dma->tag = NULL; 912173362Sbenjsc } 913173362Sbenjsc} 914173362Sbenjsc 915173362Sbenjsc/* 916173362Sbenjsc * Allocate a shared page between host and NIC. 917173362Sbenjsc */ 918173362Sbenjscstatic int 919173362Sbenjscwpi_alloc_shared(struct wpi_softc *sc) 920173362Sbenjsc{ 921278366Sadrian /* Shared buffer must be aligned on a 4KB boundary. */ 922278366Sadrian return wpi_dma_contig_alloc(sc, &sc->shared_dma, 923278366Sadrian (void **)&sc->shared, sizeof (struct wpi_shared), 4096); 924173362Sbenjsc} 925173362Sbenjsc 926173362Sbenjscstatic void 927173362Sbenjscwpi_free_shared(struct wpi_softc *sc) 928173362Sbenjsc{ 929173362Sbenjsc wpi_dma_contig_free(&sc->shared_dma); 930173362Sbenjsc} 931173362Sbenjsc 932278366Sadrian/* 933278366Sadrian * Allocate DMA-safe memory for firmware transfer. 934278366Sadrian */ 935173362Sbenjscstatic int 936278366Sadrianwpi_alloc_fwmem(struct wpi_softc *sc) 937173362Sbenjsc{ 938278366Sadrian /* Must be aligned on a 16-byte boundary. */ 939278366Sadrian return wpi_dma_contig_alloc(sc, &sc->fw_dma, NULL, 940278366Sadrian WPI_FW_TEXT_MAXSZ + WPI_FW_DATA_MAXSZ, 16); 941278366Sadrian} 942173362Sbenjsc 943278366Sadrianstatic void 944278366Sadrianwpi_free_fwmem(struct wpi_softc *sc) 945278366Sadrian{ 946278366Sadrian wpi_dma_contig_free(&sc->fw_dma); 947278366Sadrian} 948278366Sadrian 949278366Sadrianstatic int 950278366Sadrianwpi_alloc_rx_ring(struct wpi_softc *sc) 951278366Sadrian{ 952278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 953278366Sadrian bus_size_t size; 954173362Sbenjsc int i, error; 955173362Sbenjsc 956173362Sbenjsc ring->cur = 0; 957278366Sadrian ring->update = 0; 958173362Sbenjsc 959278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 960278366Sadrian 961278366Sadrian /* Allocate RX descriptors (16KB aligned.) */ 962278366Sadrian size = WPI_RX_RING_COUNT * sizeof (uint32_t); 963173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->desc_dma, 964278366Sadrian (void **)&ring->desc, size, WPI_RING_DMA_ALIGN); 965173362Sbenjsc if (error != 0) { 966177043Sthompsa device_printf(sc->sc_dev, 967278366Sadrian "%s: could not allocate RX ring DMA memory, error %d\n", 968177043Sthompsa __func__, error); 969177043Sthompsa goto fail; 970173362Sbenjsc } 971173362Sbenjsc 972278366Sadrian /* Create RX buffer DMA tag. */ 973280059Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 974278366Sadrian BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 975278366Sadrian MJUMPAGESIZE, 1, MJUMPAGESIZE, BUS_DMA_NOWAIT, NULL, NULL, 976278366Sadrian &ring->data_dmat); 977280059Sadrian if (error != 0) { 978280059Sadrian device_printf(sc->sc_dev, 979278366Sadrian "%s: could not create RX buf DMA tag, error %d\n", 980177043Sthompsa __func__, error); 981280059Sadrian goto fail; 982280059Sadrian } 983177043Sthompsa 984173362Sbenjsc /* 985278366Sadrian * Allocate and map RX buffers. 986173362Sbenjsc */ 987173362Sbenjsc for (i = 0; i < WPI_RX_RING_COUNT; i++) { 988177043Sthompsa struct wpi_rx_data *data = &ring->data[i]; 989177043Sthompsa bus_addr_t paddr; 990173362Sbenjsc 991177043Sthompsa error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 992177043Sthompsa if (error != 0) { 993173362Sbenjsc device_printf(sc->sc_dev, 994278366Sadrian "%s: could not create RX buf DMA map, error %d\n", 995177043Sthompsa __func__, error); 996173362Sbenjsc goto fail; 997173362Sbenjsc } 998278366Sadrian 999278366Sadrian data->m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1000278366Sadrian if (data->m == NULL) { 1001173362Sbenjsc device_printf(sc->sc_dev, 1002278366Sadrian "%s: could not allocate RX mbuf\n", __func__); 1003278366Sadrian error = ENOBUFS; 1004173362Sbenjsc goto fail; 1005173362Sbenjsc } 1006278366Sadrian 1007177043Sthompsa error = bus_dmamap_load(ring->data_dmat, data->map, 1008278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1009278366Sadrian &paddr, BUS_DMA_NOWAIT); 1010177043Sthompsa if (error != 0 && error != EFBIG) { 1011177043Sthompsa device_printf(sc->sc_dev, 1012278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, 1013278366Sadrian error); 1014173362Sbenjsc goto fail; 1015173362Sbenjsc } 1016177043Sthompsa 1017278366Sadrian /* Set physical address of RX buffer. */ 1018177043Sthompsa ring->desc[i] = htole32(paddr); 1019173362Sbenjsc } 1020278366Sadrian 1021173362Sbenjsc bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1022173362Sbenjsc BUS_DMASYNC_PREWRITE); 1023278366Sadrian 1024278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1025278366Sadrian 1026173362Sbenjsc return 0; 1027278366Sadrian 1028278366Sadrianfail: wpi_free_rx_ring(sc); 1029278366Sadrian 1030278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1031278366Sadrian 1032173362Sbenjsc return error; 1033173362Sbenjsc} 1034173362Sbenjsc 1035173362Sbenjscstatic void 1036278366Sadrianwpi_update_rx_ring(struct wpi_softc *sc) 1037173362Sbenjsc{ 1038278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1039173362Sbenjsc 1040280056Sadrian if (ring->update != 0) { 1041280056Sadrian /* Wait for INT_WAKEUP event. */ 1042280056Sadrian return; 1043280056Sadrian } 1044280056Sadrian 1045278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1046278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s: wakeup request\n", 1047278366Sadrian __func__); 1048173362Sbenjsc 1049278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1050278366Sadrian ring->update = 1; 1051278366Sadrian } else 1052278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, ring->cur & ~7); 1053278366Sadrian} 1054173362Sbenjsc 1055278366Sadrianstatic void 1056278366Sadrianwpi_reset_rx_ring(struct wpi_softc *sc) 1057278366Sadrian{ 1058278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1059278366Sadrian int ntries; 1060173362Sbenjsc 1061278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1062173362Sbenjsc 1063278366Sadrian if (wpi_nic_lock(sc) == 0) { 1064278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 0); 1065278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 1066278366Sadrian if (WPI_READ(sc, WPI_FH_RX_STATUS) & 1067278366Sadrian WPI_FH_RX_STATUS_IDLE) 1068278366Sadrian break; 1069278366Sadrian DELAY(10); 1070278366Sadrian } 1071173362Sbenjsc#ifdef WPI_DEBUG 1072278366Sadrian if (ntries == 1000) { 1073278366Sadrian device_printf(sc->sc_dev, 1074278366Sadrian "timeout resetting Rx ring\n"); 1075278366Sadrian } 1076173362Sbenjsc#endif 1077278366Sadrian wpi_nic_unlock(sc); 1078278366Sadrian } 1079173362Sbenjsc 1080173362Sbenjsc ring->cur = 0; 1081278366Sadrian ring->update = 0; 1082173362Sbenjsc} 1083173362Sbenjsc 1084173362Sbenjscstatic void 1085278366Sadrianwpi_free_rx_ring(struct wpi_softc *sc) 1086173362Sbenjsc{ 1087278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1088173362Sbenjsc int i; 1089173362Sbenjsc 1090278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1091278366Sadrian 1092173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1093173362Sbenjsc 1094216824Sbschmidt for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1095216824Sbschmidt struct wpi_rx_data *data = &ring->data[i]; 1096216824Sbschmidt 1097216824Sbschmidt if (data->m != NULL) { 1098216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, 1099216824Sbschmidt BUS_DMASYNC_POSTREAD); 1100216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1101216824Sbschmidt m_freem(data->m); 1102278366Sadrian data->m = NULL; 1103216824Sbschmidt } 1104216824Sbschmidt if (data->map != NULL) 1105216824Sbschmidt bus_dmamap_destroy(ring->data_dmat, data->map); 1106216824Sbschmidt } 1107278366Sadrian if (ring->data_dmat != NULL) { 1108278366Sadrian bus_dma_tag_destroy(ring->data_dmat); 1109278366Sadrian ring->data_dmat = NULL; 1110278366Sadrian } 1111173362Sbenjsc} 1112173362Sbenjsc 1113173362Sbenjscstatic int 1114278366Sadrianwpi_alloc_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring, int qid) 1115173362Sbenjsc{ 1116278366Sadrian bus_addr_t paddr; 1117278366Sadrian bus_size_t size; 1118173362Sbenjsc int i, error; 1119173362Sbenjsc 1120173362Sbenjsc ring->qid = qid; 1121173362Sbenjsc ring->queued = 0; 1122173362Sbenjsc ring->cur = 0; 1123278366Sadrian ring->update = 0; 1124173362Sbenjsc 1125278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1126173362Sbenjsc 1127278366Sadrian /* Allocate TX descriptors (16KB aligned.) */ 1128278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_desc); 1129278366Sadrian error = wpi_dma_contig_alloc(sc, &ring->desc_dma, (void **)&ring->desc, 1130278366Sadrian size, WPI_RING_DMA_ALIGN); 1131173362Sbenjsc if (error != 0) { 1132278366Sadrian device_printf(sc->sc_dev, 1133278366Sadrian "%s: could not allocate TX ring DMA memory, error %d\n", 1134278366Sadrian __func__, error); 1135278366Sadrian goto fail; 1136173362Sbenjsc } 1137173362Sbenjsc 1138278366Sadrian /* Update shared area with ring physical address. */ 1139173362Sbenjsc sc->shared->txbase[qid] = htole32(ring->desc_dma.paddr); 1140278366Sadrian bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 1141278366Sadrian BUS_DMASYNC_PREWRITE); 1142173362Sbenjsc 1143278366Sadrian /* 1144278366Sadrian * We only use rings 0 through 4 (4 EDCA + cmd) so there is no need 1145278366Sadrian * to allocate commands space for other rings. 1146278366Sadrian * XXX Do we really need to allocate descriptors for other rings? 1147278366Sadrian */ 1148280064Sadrian if (qid > WPI_CMD_QUEUE_NUM) 1149278366Sadrian return 0; 1150278366Sadrian 1151278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_cmd); 1152173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->cmd_dma, (void **)&ring->cmd, 1153278366Sadrian size, 4); 1154173362Sbenjsc if (error != 0) { 1155173362Sbenjsc device_printf(sc->sc_dev, 1156278366Sadrian "%s: could not allocate TX cmd DMA memory, error %d\n", 1157278366Sadrian __func__, error); 1158173362Sbenjsc goto fail; 1159173362Sbenjsc } 1160173362Sbenjsc 1161173362Sbenjsc error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1162173362Sbenjsc BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1163173362Sbenjsc WPI_MAX_SCATTER - 1, MCLBYTES, BUS_DMA_NOWAIT, NULL, NULL, 1164173362Sbenjsc &ring->data_dmat); 1165173362Sbenjsc if (error != 0) { 1166278366Sadrian device_printf(sc->sc_dev, 1167278366Sadrian "%s: could not create TX buf DMA tag, error %d\n", 1168278366Sadrian __func__, error); 1169173362Sbenjsc goto fail; 1170173362Sbenjsc } 1171173362Sbenjsc 1172278366Sadrian paddr = ring->cmd_dma.paddr; 1173278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1174278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1175173362Sbenjsc 1176278366Sadrian data->cmd_paddr = paddr; 1177278366Sadrian paddr += sizeof (struct wpi_tx_cmd); 1178278366Sadrian 1179173362Sbenjsc error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1180173362Sbenjsc if (error != 0) { 1181173362Sbenjsc device_printf(sc->sc_dev, 1182278366Sadrian "%s: could not create TX buf DMA map, error %d\n", 1183278366Sadrian __func__, error); 1184173362Sbenjsc goto fail; 1185173362Sbenjsc } 1186173362Sbenjsc } 1187173362Sbenjsc 1188278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1189278366Sadrian 1190173362Sbenjsc return 0; 1191173362Sbenjsc 1192278366Sadrianfail: wpi_free_tx_ring(sc, ring); 1193278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1194173362Sbenjsc return error; 1195173362Sbenjsc} 1196173362Sbenjsc 1197173362Sbenjscstatic void 1198278366Sadrianwpi_update_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1199278366Sadrian{ 1200280056Sadrian if (ring->update != 0) { 1201280056Sadrian /* Wait for INT_WAKEUP event. */ 1202280056Sadrian return; 1203280056Sadrian } 1204280056Sadrian 1205278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1206278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s (%d): requesting wakeup\n", 1207278366Sadrian __func__, ring->qid); 1208278366Sadrian 1209278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1210278366Sadrian ring->update = 1; 1211278366Sadrian } else 1212278366Sadrian WPI_WRITE(sc, WPI_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur); 1213278366Sadrian} 1214278366Sadrian 1215278366Sadrianstatic void 1216173362Sbenjscwpi_reset_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1217173362Sbenjsc{ 1218278366Sadrian int i; 1219173362Sbenjsc 1220278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1221173362Sbenjsc 1222278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1223278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1224173362Sbenjsc 1225173362Sbenjsc if (data->m != NULL) { 1226278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1227278366Sadrian BUS_DMASYNC_POSTWRITE); 1228173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1229173362Sbenjsc m_freem(data->m); 1230173362Sbenjsc data->m = NULL; 1231173362Sbenjsc } 1232173362Sbenjsc } 1233278366Sadrian /* Clear TX descriptors. */ 1234278366Sadrian memset(ring->desc, 0, ring->desc_dma.size); 1235278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1236278366Sadrian BUS_DMASYNC_PREWRITE); 1237278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1238173362Sbenjsc ring->queued = 0; 1239173362Sbenjsc ring->cur = 0; 1240278366Sadrian ring->update = 0; 1241173362Sbenjsc} 1242173362Sbenjsc 1243173362Sbenjscstatic void 1244173362Sbenjscwpi_free_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1245173362Sbenjsc{ 1246173362Sbenjsc int i; 1247173362Sbenjsc 1248278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1249278366Sadrian 1250173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1251173362Sbenjsc wpi_dma_contig_free(&ring->cmd_dma); 1252173362Sbenjsc 1253278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1254278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1255173362Sbenjsc 1256278366Sadrian if (data->m != NULL) { 1257278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1258278366Sadrian BUS_DMASYNC_POSTWRITE); 1259278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1260278366Sadrian m_freem(data->m); 1261173362Sbenjsc } 1262278366Sadrian if (data->map != NULL) 1263278366Sadrian bus_dmamap_destroy(ring->data_dmat, data->map); 1264173362Sbenjsc } 1265278366Sadrian if (ring->data_dmat != NULL) { 1266173362Sbenjsc bus_dma_tag_destroy(ring->data_dmat); 1267278366Sadrian ring->data_dmat = NULL; 1268278366Sadrian } 1269173362Sbenjsc} 1270173362Sbenjsc 1271278366Sadrian/* 1272278366Sadrian * Extract various information from EEPROM. 1273278366Sadrian */ 1274173362Sbenjscstatic int 1275278366Sadrianwpi_read_eeprom(struct wpi_softc *sc, uint8_t macaddr[IEEE80211_ADDR_LEN]) 1276173362Sbenjsc{ 1277278366Sadrian#define WPI_CHK(res) do { \ 1278278366Sadrian if ((error = res) != 0) \ 1279278366Sadrian goto fail; \ 1280278366Sadrian} while (0) 1281278366Sadrian int error, i; 1282173362Sbenjsc 1283278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1284173362Sbenjsc 1285278366Sadrian /* Adapter has to be powered on for EEPROM access to work. */ 1286278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 1287278366Sadrian device_printf(sc->sc_dev, 1288278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 1289278366Sadrian error); 1290278366Sadrian return error; 1291278366Sadrian } 1292278366Sadrian 1293278366Sadrian if ((WPI_READ(sc, WPI_EEPROM_GP) & 0x6) == 0) { 1294278366Sadrian device_printf(sc->sc_dev, "bad EEPROM signature\n"); 1295278366Sadrian error = EIO; 1296278366Sadrian goto fail; 1297278366Sadrian } 1298278366Sadrian /* Clear HW ownership of EEPROM. */ 1299278366Sadrian WPI_CLRBITS(sc, WPI_EEPROM_GP, WPI_EEPROM_GP_IF_OWNER); 1300278366Sadrian 1301278366Sadrian /* Read the hardware capabilities, revision and SKU type. */ 1302278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_SKU_CAP, &sc->cap, 1303278366Sadrian sizeof(sc->cap))); 1304278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_REVISION, &sc->rev, 1305278366Sadrian sizeof(sc->rev))); 1306278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_TYPE, &sc->type, 1307278366Sadrian sizeof(sc->type))); 1308278366Sadrian 1309280076Sadrian sc->rev = le16toh(sc->rev); 1310280066Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, "cap=%x rev=%x type=%x\n", sc->cap, 1311280076Sadrian sc->rev, sc->type); 1312278366Sadrian 1313278366Sadrian /* Read the regulatory domain (4 ASCII characters.) */ 1314278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_DOMAIN, sc->domain, 1315278366Sadrian sizeof(sc->domain))); 1316278366Sadrian 1317278366Sadrian /* Read MAC address. */ 1318278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_MAC, macaddr, 1319278366Sadrian IEEE80211_ADDR_LEN)); 1320278366Sadrian 1321278366Sadrian /* Read the list of authorized channels. */ 1322278366Sadrian for (i = 0; i < WPI_CHAN_BANDS_COUNT; i++) 1323278366Sadrian WPI_CHK(wpi_read_eeprom_channels(sc, i)); 1324278366Sadrian 1325278366Sadrian /* Read the list of TX power groups. */ 1326278366Sadrian for (i = 0; i < WPI_POWER_GROUPS_COUNT; i++) 1327278366Sadrian WPI_CHK(wpi_read_eeprom_group(sc, i)); 1328278366Sadrian 1329278366Sadrianfail: wpi_apm_stop(sc); /* Power OFF adapter. */ 1330278366Sadrian 1331278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, error ? TRACE_STR_END_ERR : TRACE_STR_END, 1332278366Sadrian __func__); 1333278366Sadrian 1334278366Sadrian return error; 1335278366Sadrian#undef WPI_CHK 1336278366Sadrian} 1337278366Sadrian 1338278366Sadrian/* 1339278366Sadrian * Translate EEPROM flags to net80211. 1340278366Sadrian */ 1341278366Sadrianstatic uint32_t 1342278366Sadrianwpi_eeprom_channel_flags(struct wpi_eeprom_chan *channel) 1343278366Sadrian{ 1344278366Sadrian uint32_t nflags; 1345278366Sadrian 1346278366Sadrian nflags = 0; 1347278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_ACTIVE) == 0) 1348278366Sadrian nflags |= IEEE80211_CHAN_PASSIVE; 1349278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_IBSS) == 0) 1350278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1351278366Sadrian if (channel->flags & WPI_EEPROM_CHAN_RADAR) { 1352278366Sadrian nflags |= IEEE80211_CHAN_DFS; 1353278366Sadrian /* XXX apparently IBSS may still be marked */ 1354278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1355278366Sadrian } 1356278366Sadrian 1357278366Sadrian return nflags; 1358278366Sadrian} 1359278366Sadrian 1360278366Sadrianstatic void 1361278366Sadrianwpi_read_eeprom_band(struct wpi_softc *sc, int n) 1362278366Sadrian{ 1363278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1364278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1365278366Sadrian struct wpi_eeprom_chan *channels = sc->eeprom_channels[n]; 1366278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1367278366Sadrian struct ieee80211_channel *c; 1368278366Sadrian uint8_t chan; 1369278366Sadrian int i, nflags; 1370278366Sadrian 1371278366Sadrian for (i = 0; i < band->nchan; i++) { 1372278366Sadrian if (!(channels[i].flags & WPI_EEPROM_CHAN_VALID)) { 1373280080Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1374278366Sadrian "Channel Not Valid: %d, band %d\n", 1375278366Sadrian band->chan[i],n); 1376278366Sadrian continue; 1377278366Sadrian } 1378278366Sadrian 1379278366Sadrian chan = band->chan[i]; 1380278366Sadrian nflags = wpi_eeprom_channel_flags(&channels[i]); 1381278366Sadrian 1382278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1383278366Sadrian c->ic_ieee = chan; 1384278366Sadrian c->ic_maxregpower = channels[i].maxpwr; 1385278366Sadrian c->ic_maxpower = 2*c->ic_maxregpower; 1386278366Sadrian 1387278366Sadrian if (n == 0) { /* 2GHz band */ 1388280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1389280066Sadrian IEEE80211_CHAN_G); 1390280066Sadrian 1391278366Sadrian /* G =>'s B is supported */ 1392278366Sadrian c->ic_flags = IEEE80211_CHAN_B | nflags; 1393278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1394278366Sadrian c[0] = c[-1]; 1395278366Sadrian c->ic_flags = IEEE80211_CHAN_G | nflags; 1396278366Sadrian } else { /* 5GHz band */ 1397280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1398280066Sadrian IEEE80211_CHAN_A); 1399280066Sadrian 1400278366Sadrian c->ic_flags = IEEE80211_CHAN_A | nflags; 1401278366Sadrian } 1402278366Sadrian 1403278366Sadrian /* Save maximum allowed TX power for this channel. */ 1404278366Sadrian sc->maxpwr[chan] = channels[i].maxpwr; 1405278366Sadrian 1406278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1407278366Sadrian "adding chan %d (%dMHz) flags=0x%x maxpwr=%d passive=%d," 1408278366Sadrian " offset %d\n", chan, c->ic_freq, 1409278366Sadrian channels[i].flags, sc->maxpwr[chan], 1410278764Sadrian IEEE80211_IS_CHAN_PASSIVE(c), ic->ic_nchans); 1411278366Sadrian } 1412278366Sadrian} 1413278366Sadrian 1414278366Sadrian/** 1415278366Sadrian * Read the eeprom to find out what channels are valid for the given 1416278366Sadrian * band and update net80211 with what we find. 1417278366Sadrian */ 1418278366Sadrianstatic int 1419278366Sadrianwpi_read_eeprom_channels(struct wpi_softc *sc, int n) 1420278366Sadrian{ 1421278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1422278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1423278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1424278366Sadrian int error; 1425278366Sadrian 1426278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1427278366Sadrian 1428278366Sadrian error = wpi_read_prom_data(sc, band->addr, &sc->eeprom_channels[n], 1429278366Sadrian band->nchan * sizeof (struct wpi_eeprom_chan)); 1430278366Sadrian if (error != 0) { 1431278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1432278366Sadrian return error; 1433278366Sadrian } 1434278366Sadrian 1435278366Sadrian wpi_read_eeprom_band(sc, n); 1436278366Sadrian 1437278366Sadrian ieee80211_sort_channels(ic->ic_channels, ic->ic_nchans); 1438278366Sadrian 1439278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1440278366Sadrian 1441173362Sbenjsc return 0; 1442173362Sbenjsc} 1443173362Sbenjsc 1444278366Sadrianstatic struct wpi_eeprom_chan * 1445278366Sadrianwpi_find_eeprom_channel(struct wpi_softc *sc, struct ieee80211_channel *c) 1446278366Sadrian{ 1447278366Sadrian int i, j; 1448278366Sadrian 1449278366Sadrian for (j = 0; j < WPI_CHAN_BANDS_COUNT; j++) 1450278366Sadrian for (i = 0; i < wpi_bands[j].nchan; i++) 1451278366Sadrian if (wpi_bands[j].chan[i] == c->ic_ieee) 1452278366Sadrian return &sc->eeprom_channels[j][i]; 1453278366Sadrian 1454278366Sadrian return NULL; 1455278366Sadrian} 1456278366Sadrian 1457278366Sadrian/* 1458278366Sadrian * Enforce flags read from EEPROM. 1459278366Sadrian */ 1460173362Sbenjscstatic int 1461278366Sadrianwpi_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *rd, 1462278366Sadrian int nchan, struct ieee80211_channel chans[]) 1463173362Sbenjsc{ 1464278366Sadrian struct ifnet *ifp = ic->ic_ifp; 1465278366Sadrian struct wpi_softc *sc = ifp->if_softc; 1466278366Sadrian int i; 1467173362Sbenjsc 1468278366Sadrian for (i = 0; i < nchan; i++) { 1469278366Sadrian struct ieee80211_channel *c = &chans[i]; 1470278366Sadrian struct wpi_eeprom_chan *channel; 1471278366Sadrian 1472278366Sadrian channel = wpi_find_eeprom_channel(sc, c); 1473278366Sadrian if (channel == NULL) { 1474278366Sadrian if_printf(ic->ic_ifp, 1475278366Sadrian "%s: invalid channel %u freq %u/0x%x\n", 1476278366Sadrian __func__, c->ic_ieee, c->ic_freq, c->ic_flags); 1477278366Sadrian return EINVAL; 1478278366Sadrian } 1479278366Sadrian c->ic_flags |= wpi_eeprom_channel_flags(channel); 1480278366Sadrian } 1481278366Sadrian 1482173362Sbenjsc return 0; 1483173362Sbenjsc} 1484173362Sbenjsc 1485173362Sbenjscstatic int 1486278366Sadrianwpi_read_eeprom_group(struct wpi_softc *sc, int n) 1487173362Sbenjsc{ 1488278366Sadrian struct wpi_power_group *group = &sc->groups[n]; 1489278366Sadrian struct wpi_eeprom_group rgroup; 1490278366Sadrian int i, error; 1491173362Sbenjsc 1492278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1493173362Sbenjsc 1494278366Sadrian if ((error = wpi_read_prom_data(sc, WPI_EEPROM_POWER_GRP + n * 32, 1495278366Sadrian &rgroup, sizeof rgroup)) != 0) { 1496278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1497278366Sadrian return error; 1498278366Sadrian } 1499278366Sadrian 1500278366Sadrian /* Save TX power group information. */ 1501278366Sadrian group->chan = rgroup.chan; 1502278366Sadrian group->maxpwr = rgroup.maxpwr; 1503278366Sadrian /* Retrieve temperature at which the samples were taken. */ 1504278366Sadrian group->temp = (int16_t)le16toh(rgroup.temp); 1505278366Sadrian 1506278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1507278366Sadrian "power group %d: chan=%d maxpwr=%d temp=%d\n", n, group->chan, 1508278366Sadrian group->maxpwr, group->temp); 1509278366Sadrian 1510278366Sadrian for (i = 0; i < WPI_SAMPLES_COUNT; i++) { 1511278366Sadrian group->samples[i].index = rgroup.samples[i].index; 1512278366Sadrian group->samples[i].power = rgroup.samples[i].power; 1513278366Sadrian 1514278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1515278366Sadrian "\tsample %d: index=%d power=%d\n", i, 1516278366Sadrian group->samples[i].index, group->samples[i].power); 1517278366Sadrian } 1518278366Sadrian 1519278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1520278366Sadrian 1521173362Sbenjsc return 0; 1522173362Sbenjsc} 1523173362Sbenjsc 1524280069Sadrianstatic int 1525280069Sadrianwpi_add_node_entry_adhoc(struct wpi_softc *sc) 1526280069Sadrian{ 1527280069Sadrian int newid = WPI_ID_IBSS_MIN; 1528280069Sadrian 1529280069Sadrian for (; newid <= WPI_ID_IBSS_MAX; newid++) { 1530280069Sadrian if ((sc->nodesmsk & (1 << newid)) == 0) { 1531280069Sadrian sc->nodesmsk |= 1 << newid; 1532280069Sadrian return newid; 1533280069Sadrian } 1534280069Sadrian } 1535280069Sadrian 1536280069Sadrian return WPI_ID_UNDEFINED; 1537280069Sadrian} 1538280069Sadrian 1539280069Sadrianstatic __inline int 1540280070Sadrianwpi_add_node_entry_sta(struct wpi_softc *sc) 1541280070Sadrian{ 1542280070Sadrian sc->nodesmsk |= 1 << WPI_ID_BSS; 1543280070Sadrian 1544280070Sadrian return WPI_ID_BSS; 1545280070Sadrian} 1546280070Sadrian 1547280070Sadrianstatic __inline int 1548280069Sadrianwpi_check_node_entry(struct wpi_softc *sc, uint8_t id) 1549280069Sadrian{ 1550280069Sadrian if (id == WPI_ID_UNDEFINED) 1551280069Sadrian return 0; 1552280069Sadrian 1553280069Sadrian return (sc->nodesmsk >> id) & 1; 1554280069Sadrian} 1555280069Sadrian 1556280069Sadrianstatic __inline void 1557280069Sadrianwpi_clear_node_table(struct wpi_softc *sc) 1558280069Sadrian{ 1559280069Sadrian sc->nodesmsk = 0; 1560280069Sadrian} 1561280069Sadrian 1562280069Sadrianstatic __inline void 1563280069Sadrianwpi_del_node_entry(struct wpi_softc *sc, uint8_t id) 1564280069Sadrian{ 1565280069Sadrian sc->nodesmsk &= ~(1 << id); 1566280069Sadrian} 1567280069Sadrian 1568278366Sadrianstatic struct ieee80211_node * 1569278366Sadrianwpi_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 1570278366Sadrian{ 1571278366Sadrian struct wpi_node *wn; 1572278366Sadrian 1573278366Sadrian wn = malloc(sizeof (struct wpi_node), M_80211_NODE, 1574278366Sadrian M_NOWAIT | M_ZERO); 1575278366Sadrian 1576278366Sadrian if (wn == NULL) 1577278366Sadrian return NULL; 1578278366Sadrian 1579278366Sadrian wn->id = WPI_ID_UNDEFINED; 1580278366Sadrian 1581278366Sadrian return &wn->ni; 1582278366Sadrian} 1583278366Sadrian 1584278366Sadrianstatic void 1585278366Sadrianwpi_node_free(struct ieee80211_node *ni) 1586278366Sadrian{ 1587278366Sadrian struct ieee80211com *ic = ni->ni_ic; 1588278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 1589280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 1590278366Sadrian 1591280070Sadrian if (wn->id != WPI_ID_UNDEFINED) { 1592280077Sadrian WPI_NT_LOCK(sc); 1593280069Sadrian if (wpi_check_node_entry(sc, wn->id)) { 1594280069Sadrian wpi_del_node_entry(sc, wn->id); 1595278366Sadrian wpi_del_node(sc, ni); 1596280069Sadrian } 1597280077Sadrian WPI_NT_UNLOCK(sc); 1598278366Sadrian } 1599278366Sadrian 1600278366Sadrian sc->sc_node_free(ni); 1601278366Sadrian} 1602278366Sadrian 1603173362Sbenjsc/** 1604173362Sbenjsc * Called by net80211 when ever there is a change to 80211 state machine 1605173362Sbenjsc */ 1606173362Sbenjscstatic int 1607178354Ssamwpi_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1608173362Sbenjsc{ 1609178354Ssam struct wpi_vap *wvp = WPI_VAP(vap); 1610178354Ssam struct ieee80211com *ic = vap->iv_ic; 1611173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 1612173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 1613278366Sadrian int error = 0; 1614173362Sbenjsc 1615278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1616278366Sadrian 1617278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "%s: %s -> %s\n", __func__, 1618178354Ssam ieee80211_state_name[vap->iv_state], 1619278366Sadrian ieee80211_state_name[nstate]); 1620173362Sbenjsc 1621191746Sthompsa IEEE80211_UNLOCK(ic); 1622191746Sthompsa WPI_LOCK(sc); 1623278366Sadrian switch (nstate) { 1624278366Sadrian case IEEE80211_S_SCAN: 1625278366Sadrian if ((vap->iv_opmode == IEEE80211_M_IBSS || 1626278366Sadrian vap->iv_opmode == IEEE80211_M_AHDEMO) && 1627278366Sadrian (sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 1628278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 1629278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 1630278366Sadrian device_printf(sc->sc_dev, 1631278366Sadrian "%s: could not send RXON\n", __func__); 1632278366Sadrian } 1633216238Sbschmidt } 1634278366Sadrian break; 1635278366Sadrian 1636278366Sadrian case IEEE80211_S_ASSOC: 1637278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1638278366Sadrian break; 1639278366Sadrian /* FALLTHROUGH */ 1640278366Sadrian case IEEE80211_S_AUTH: 1641216238Sbschmidt /* 1642216238Sbschmidt * The node must be registered in the firmware before auth. 1643216238Sbschmidt * Also the associd must be cleared on RUN -> ASSOC 1644216238Sbschmidt * transitions. 1645216238Sbschmidt */ 1646278366Sadrian if ((error = wpi_auth(sc, vap)) != 0) { 1647191746Sthompsa device_printf(sc->sc_dev, 1648278366Sadrian "%s: could not move to AUTH state, error %d\n", 1649191746Sthompsa __func__, error); 1650191746Sthompsa } 1651278366Sadrian break; 1652278366Sadrian 1653278366Sadrian case IEEE80211_S_RUN: 1654278366Sadrian /* 1655278366Sadrian * RUN -> RUN transition; Just restart the timers. 1656278366Sadrian */ 1657278366Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 1658278366Sadrian wpi_calib_timeout(sc); 1659278366Sadrian break; 1660278366Sadrian } 1661278366Sadrian 1662278366Sadrian /* 1663278366Sadrian * !RUN -> RUN requires setting the association id 1664278366Sadrian * which is done with a firmware cmd. We also defer 1665278366Sadrian * starting the timers until that work is done. 1666278366Sadrian */ 1667278366Sadrian if ((error = wpi_run(sc, vap)) != 0) { 1668191746Sthompsa device_printf(sc->sc_dev, 1669278366Sadrian "%s: could not move to RUN state\n", __func__); 1670191746Sthompsa } 1671278366Sadrian break; 1672278366Sadrian 1673278366Sadrian default: 1674278366Sadrian break; 1675178354Ssam } 1676191746Sthompsa WPI_UNLOCK(sc); 1677191746Sthompsa IEEE80211_LOCK(ic); 1678278366Sadrian if (error != 0) { 1679278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1680278366Sadrian return error; 1681278366Sadrian } 1682173362Sbenjsc 1683278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1684173362Sbenjsc 1685278366Sadrian return wvp->newstate(vap, nstate, arg); 1686173362Sbenjsc} 1687173362Sbenjsc 1688173362Sbenjscstatic void 1689278366Sadrianwpi_calib_timeout(void *arg) 1690173362Sbenjsc{ 1691278366Sadrian struct wpi_softc *sc = arg; 1692278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1693278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1694278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1695173362Sbenjsc 1696278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1697278366Sadrian return; 1698173362Sbenjsc 1699278366Sadrian wpi_power_calibration(sc); 1700173362Sbenjsc 1701278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 1702173362Sbenjsc} 1703173362Sbenjsc 1704278366Sadrianstatic __inline uint8_t 1705278366Sadrianrate2plcp(const uint8_t rate) 1706173362Sbenjsc{ 1707278366Sadrian switch (rate) { 1708278366Sadrian case 12: return 0xd; 1709278366Sadrian case 18: return 0xf; 1710278366Sadrian case 24: return 0x5; 1711278366Sadrian case 36: return 0x7; 1712278366Sadrian case 48: return 0x9; 1713278366Sadrian case 72: return 0xb; 1714278366Sadrian case 96: return 0x1; 1715278366Sadrian case 108: return 0x3; 1716278366Sadrian case 2: return 10; 1717278366Sadrian case 4: return 20; 1718278366Sadrian case 11: return 55; 1719278366Sadrian case 22: return 110; 1720278366Sadrian default: return 0; 1721173362Sbenjsc } 1722173362Sbenjsc} 1723173362Sbenjsc 1724278366Sadrianstatic __inline uint8_t 1725278366Sadrianplcp2rate(const uint8_t plcp) 1726173362Sbenjsc{ 1727278366Sadrian switch (plcp) { 1728278366Sadrian case 0xd: return 12; 1729278366Sadrian case 0xf: return 18; 1730278366Sadrian case 0x5: return 24; 1731278366Sadrian case 0x7: return 36; 1732278366Sadrian case 0x9: return 48; 1733278366Sadrian case 0xb: return 72; 1734278366Sadrian case 0x1: return 96; 1735278366Sadrian case 0x3: return 108; 1736278366Sadrian case 10: return 2; 1737278366Sadrian case 20: return 4; 1738278366Sadrian case 55: return 11; 1739278366Sadrian case 110: return 22; 1740278366Sadrian default: return 0; 1741173362Sbenjsc } 1742278366Sadrian} 1743173362Sbenjsc 1744278366Sadrian/* Quickly determine if a given rate is CCK or OFDM. */ 1745278366Sadrian#define WPI_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22) 1746173362Sbenjsc 1747173362Sbenjscstatic void 1748278366Sadrianwpi_rx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1749278366Sadrian struct wpi_rx_data *data) 1750173362Sbenjsc{ 1751178354Ssam struct ifnet *ifp = sc->sc_ifp; 1752278366Sadrian const struct ieee80211_cipher *cip = NULL; 1753178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1754173362Sbenjsc struct wpi_rx_ring *ring = &sc->rxq; 1755173362Sbenjsc struct wpi_rx_stat *stat; 1756173362Sbenjsc struct wpi_rx_head *head; 1757173362Sbenjsc struct wpi_rx_tail *tail; 1758278366Sadrian struct ieee80211_frame *wh; 1759173362Sbenjsc struct ieee80211_node *ni; 1760278366Sadrian struct mbuf *m, *m1; 1761177043Sthompsa bus_addr_t paddr; 1762278366Sadrian uint32_t flags; 1763278366Sadrian uint16_t len; 1764177043Sthompsa int error; 1765173362Sbenjsc 1766173362Sbenjsc stat = (struct wpi_rx_stat *)(desc + 1); 1767173362Sbenjsc 1768173362Sbenjsc if (stat->len > WPI_STAT_MAXLEN) { 1769278366Sadrian device_printf(sc->sc_dev, "invalid RX statistic header\n"); 1770278764Sadrian goto fail1; 1771173362Sbenjsc } 1772173362Sbenjsc 1773216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTREAD); 1774173362Sbenjsc head = (struct wpi_rx_head *)((caddr_t)(stat + 1) + stat->len); 1775278366Sadrian len = le16toh(head->len); 1776278366Sadrian tail = (struct wpi_rx_tail *)((caddr_t)(head + 1) + len); 1777278366Sadrian flags = le32toh(tail->flags); 1778173362Sbenjsc 1779278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: idx %d len %d stat len %u rssi %d" 1780278366Sadrian " rate %x chan %d tstamp %ju\n", __func__, ring->cur, 1781278366Sadrian le32toh(desc->len), len, (int8_t)stat->rssi, 1782278366Sadrian head->plcp, head->chan, (uintmax_t)le64toh(tail->tstamp)); 1783173362Sbenjsc 1784278366Sadrian /* Discard frames with a bad FCS early. */ 1785278366Sadrian if ((flags & WPI_RX_NOERROR) != WPI_RX_NOERROR) { 1786278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: RX flags error %x\n", 1787278366Sadrian __func__, flags); 1788278764Sadrian goto fail1; 1789190458Sjmallett } 1790278366Sadrian /* Discard frames that are too short. */ 1791278366Sadrian if (len < sizeof (*wh)) { 1792278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: frame too short: %d\n", 1793278366Sadrian __func__, len); 1794278764Sadrian goto fail1; 1795190458Sjmallett } 1796190458Sjmallett 1797278366Sadrian m1 = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1798278366Sadrian if (m1 == NULL) { 1799278366Sadrian DPRINTF(sc, WPI_DEBUG_ANY, "%s: no mbuf to restock ring\n", 1800278366Sadrian __func__); 1801278764Sadrian goto fail1; 1802177043Sthompsa } 1803216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1804216824Sbschmidt 1805278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, mtod(m1, void *), 1806278366Sadrian MJUMPAGESIZE, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 1807177043Sthompsa if (error != 0 && error != EFBIG) { 1808177043Sthompsa device_printf(sc->sc_dev, 1809177043Sthompsa "%s: bus_dmamap_load failed, error %d\n", __func__, error); 1810278366Sadrian m_freem(m1); 1811278366Sadrian 1812278366Sadrian /* Try to reload the old mbuf. */ 1813278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, 1814278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1815278366Sadrian &paddr, BUS_DMA_NOWAIT); 1816278366Sadrian if (error != 0 && error != EFBIG) { 1817278366Sadrian panic("%s: could not load old RX mbuf", __func__); 1818278366Sadrian } 1819278366Sadrian /* Physical address may have changed. */ 1820278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1821278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->desc_dma.map, 1822278366Sadrian BUS_DMASYNC_PREWRITE); 1823278764Sadrian goto fail1; 1824177043Sthompsa } 1825177043Sthompsa 1826173362Sbenjsc m = data->m; 1827278366Sadrian data->m = m1; 1828278366Sadrian /* Update RX descriptor. */ 1829278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1830278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1831278366Sadrian BUS_DMASYNC_PREWRITE); 1832278366Sadrian 1833278366Sadrian /* Finalize mbuf. */ 1834173362Sbenjsc m->m_pkthdr.rcvif = ifp; 1835173362Sbenjsc m->m_data = (caddr_t)(head + 1); 1836278366Sadrian m->m_pkthdr.len = m->m_len = len; 1837173362Sbenjsc 1838278366Sadrian /* Grab a reference to the source node. */ 1839278366Sadrian wh = mtod(m, struct ieee80211_frame *); 1840278366Sadrian ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1841173362Sbenjsc 1842278366Sadrian if (ni != NULL) 1843278366Sadrian cip = ni->ni_ucastkey.wk_cipher; 1844278366Sadrian if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) && 1845278366Sadrian !IEEE80211_IS_MULTICAST(wh->i_addr1) && 1846278366Sadrian cip != NULL && cip->ic_cipher == IEEE80211_CIPHER_AES_CCM) { 1847278764Sadrian if ((flags & WPI_RX_CIPHER_MASK) != WPI_RX_CIPHER_CCMP) 1848278764Sadrian goto fail2; 1849278764Sadrian 1850278366Sadrian /* Check whether decryption was successful or not. */ 1851278366Sadrian if ((flags & WPI_RX_DECRYPT_MASK) != WPI_RX_DECRYPT_OK) { 1852278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, 1853278366Sadrian "CCMP decryption failed 0x%x\n", flags); 1854278764Sadrian goto fail2; 1855278366Sadrian } 1856278366Sadrian m->m_flags |= M_WEP; 1857278366Sadrian } 1858278366Sadrian 1859192468Ssam if (ieee80211_radiotap_active(ic)) { 1860173362Sbenjsc struct wpi_rx_radiotap_header *tap = &sc->sc_rxtap; 1861173362Sbenjsc 1862173362Sbenjsc tap->wr_flags = 0; 1863278366Sadrian if (head->flags & htole16(WPI_STAT_FLAG_SHPREAMBLE)) 1864278366Sadrian tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 1865280064Sadrian tap->wr_dbm_antsignal = (int8_t)(stat->rssi + WPI_RSSI_OFFSET); 1866280081Sadrian tap->wr_dbm_antnoise = WPI_RSSI_OFFSET; 1867173362Sbenjsc tap->wr_tsft = tail->tstamp; 1868173362Sbenjsc tap->wr_antenna = (le16toh(head->flags) >> 4) & 0xf; 1869278366Sadrian tap->wr_rate = plcp2rate(head->plcp); 1870173362Sbenjsc } 1871173362Sbenjsc 1872173362Sbenjsc WPI_UNLOCK(sc); 1873173362Sbenjsc 1874278366Sadrian /* Send the frame to the 802.11 layer. */ 1875178354Ssam if (ni != NULL) { 1876280064Sadrian (void)ieee80211_input(ni, m, stat->rssi, WPI_RSSI_OFFSET); 1877278366Sadrian /* Node is no longer needed. */ 1878178354Ssam ieee80211_free_node(ni); 1879178354Ssam } else 1880280064Sadrian (void)ieee80211_input_all(ic, m, stat->rssi, WPI_RSSI_OFFSET); 1881173362Sbenjsc 1882173362Sbenjsc WPI_LOCK(sc); 1883278764Sadrian 1884278764Sadrian return; 1885278764Sadrian 1886278764Sadrianfail2: ieee80211_free_node(ni); 1887278764Sadrian m_freem(m); 1888278764Sadrian 1889278764Sadrianfail1: if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1890173362Sbenjsc} 1891173362Sbenjsc 1892173362Sbenjscstatic void 1893278366Sadrianwpi_rx_statistics(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1894278366Sadrian struct wpi_rx_data *data) 1895173362Sbenjsc{ 1896278366Sadrian /* Ignore */ 1897278366Sadrian} 1898278366Sadrian 1899278366Sadrianstatic void 1900278366Sadrianwpi_tx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1901278366Sadrian{ 1902178354Ssam struct ifnet *ifp = sc->sc_ifp; 1903173362Sbenjsc struct wpi_tx_ring *ring = &sc->txq[desc->qid & 0x3]; 1904278366Sadrian struct wpi_tx_data *data = &ring->data[desc->idx]; 1905173362Sbenjsc struct wpi_tx_stat *stat = (struct wpi_tx_stat *)(desc + 1); 1906278366Sadrian struct mbuf *m; 1907278366Sadrian struct ieee80211_node *ni; 1908278366Sadrian struct ieee80211vap *vap; 1909280078Sadrian struct ieee80211com *ic; 1910280054Sadrian int ackfailcnt = stat->ackfailcnt / 2; /* wpi_mrr_setup() */ 1911278366Sadrian int status = le32toh(stat->status); 1912173362Sbenjsc 1913278366Sadrian KASSERT(data->ni != NULL, ("no node")); 1914173362Sbenjsc 1915278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1916278366Sadrian 1917278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: " 1918278366Sadrian "qid %d idx %d retries %d btkillcnt %d rate %x duration %d " 1919278764Sadrian "status %x\n", __func__, desc->qid, desc->idx, ackfailcnt, 1920278366Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), status); 1921278366Sadrian 1922278366Sadrian /* Unmap and free mbuf. */ 1923278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTWRITE); 1924278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1925278366Sadrian m = data->m, data->m = NULL; 1926278366Sadrian ni = data->ni, data->ni = NULL; 1927278366Sadrian vap = ni->ni_vap; 1928280078Sadrian ic = vap->iv_ic; 1929278366Sadrian 1930173362Sbenjsc /* 1931173362Sbenjsc * Update rate control statistics for the node. 1932173362Sbenjsc */ 1933278366Sadrian WPI_UNLOCK(sc); 1934278366Sadrian if ((status & 0xff) != 1) { 1935271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1936278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1937278764Sadrian IEEE80211_RATECTL_TX_FAILURE, &ackfailcnt, NULL); 1938278366Sadrian } else { 1939271849Sglebius if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1940278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1941278764Sadrian IEEE80211_RATECTL_TX_SUCCESS, &ackfailcnt, NULL); 1942278366Sadrian } 1943173362Sbenjsc 1944278366Sadrian ieee80211_tx_complete(ni, m, (status & 0xff) != 1); 1945278366Sadrian WPI_LOCK(sc); 1946173362Sbenjsc 1947278366Sadrian sc->sc_tx_timer = 0; 1948278366Sadrian if (--ring->queued < WPI_TX_RING_LOMARK) { 1949278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1950278366Sadrian if (sc->qfullmsk == 0 && 1951278366Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) { 1952278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1953280078Sadrian ieee80211_runtask(ic, &sc->sc_start_task); 1954278366Sadrian } 1955278366Sadrian } 1956173362Sbenjsc 1957278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1958173362Sbenjsc} 1959173362Sbenjsc 1960278366Sadrian/* 1961278366Sadrian * Process a "command done" firmware notification. This is where we wakeup 1962278366Sadrian * processes waiting for a synchronous command completion. 1963278366Sadrian */ 1964173362Sbenjscstatic void 1965278366Sadrianwpi_cmd_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1966173362Sbenjsc{ 1967280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 1968173362Sbenjsc struct wpi_tx_data *data; 1969173362Sbenjsc 1970278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "cmd notification qid=%x idx=%d flags=%x " 1971278366Sadrian "type=%s len=%d\n", desc->qid, desc->idx, 1972278366Sadrian desc->flags, wpi_cmd_str(desc->type), 1973278366Sadrian le32toh(desc->len)); 1974173362Sbenjsc 1975280064Sadrian if ((desc->qid & WPI_RX_DESC_QID_MSK) != WPI_CMD_QUEUE_NUM) 1976278366Sadrian return; /* Not a command ack. */ 1977173362Sbenjsc 1978280075Sadrian KASSERT(ring->queued == 0, ("ring->queued must be 0")); 1979280075Sadrian 1980173362Sbenjsc data = &ring->data[desc->idx]; 1981173362Sbenjsc 1982278366Sadrian /* If the command was mapped in an mbuf, free it. */ 1983173362Sbenjsc if (data->m != NULL) { 1984278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1985278366Sadrian BUS_DMASYNC_POSTWRITE); 1986173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1987173362Sbenjsc m_freem(data->m); 1988173362Sbenjsc data->m = NULL; 1989173362Sbenjsc } 1990173362Sbenjsc 1991173362Sbenjsc wakeup(&ring->cmd[desc->idx]); 1992173362Sbenjsc} 1993173362Sbenjsc 1994173362Sbenjscstatic void 1995173362Sbenjscwpi_notif_intr(struct wpi_softc *sc) 1996173362Sbenjsc{ 1997178354Ssam struct ifnet *ifp = sc->sc_ifp; 1998178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1999278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2000278366Sadrian int hw; 2001173362Sbenjsc 2002216523Sbschmidt bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 2003216523Sbschmidt BUS_DMASYNC_POSTREAD); 2004216523Sbschmidt 2005173362Sbenjsc hw = le32toh(sc->shared->next); 2006278366Sadrian hw = (hw == 0) ? WPI_RX_RING_COUNT - 1 : hw - 1; 2007216523Sbschmidt 2008278764Sadrian while (sc->rxq.cur != hw) { 2009278366Sadrian sc->rxq.cur = (sc->rxq.cur + 1) % WPI_RX_RING_COUNT; 2010278366Sadrian 2011278366Sadrian struct wpi_rx_data *data = &sc->rxq.data[sc->rxq.cur]; 2012278366Sadrian struct wpi_rx_desc *desc; 2013278366Sadrian 2014216523Sbschmidt bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2015216523Sbschmidt BUS_DMASYNC_POSTREAD); 2016278366Sadrian desc = mtod(data->m, struct wpi_rx_desc *); 2017173362Sbenjsc 2018278366Sadrian DPRINTF(sc, WPI_DEBUG_NOTIFY, 2019278366Sadrian "%s: cur=%d; qid %x idx %d flags %x type %d(%s) len %d\n", 2020278366Sadrian __func__, sc->rxq.cur, desc->qid, desc->idx, desc->flags, 2021278366Sadrian desc->type, wpi_cmd_str(desc->type), le32toh(desc->len)); 2022173362Sbenjsc 2023280064Sadrian if (!(desc->qid & WPI_UNSOLICITED_RX_NOTIF)) { 2024280064Sadrian /* Reply to a command. */ 2025278366Sadrian wpi_cmd_done(sc, desc); 2026280064Sadrian } 2027173362Sbenjsc 2028173362Sbenjsc switch (desc->type) { 2029173362Sbenjsc case WPI_RX_DONE: 2030278366Sadrian /* An 802.11 frame has been received. */ 2031278366Sadrian wpi_rx_done(sc, desc, data); 2032280055Sadrian 2033280055Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2034280055Sadrian /* wpi_stop() was called. */ 2035280055Sadrian return; 2036280055Sadrian } 2037280055Sadrian 2038173362Sbenjsc break; 2039173362Sbenjsc 2040173362Sbenjsc case WPI_TX_DONE: 2041278366Sadrian /* An 802.11 frame has been transmitted. */ 2042278366Sadrian wpi_tx_done(sc, desc); 2043173362Sbenjsc break; 2044173362Sbenjsc 2045278366Sadrian case WPI_RX_STATISTICS: 2046278366Sadrian case WPI_BEACON_STATISTICS: 2047278366Sadrian wpi_rx_statistics(sc, desc, data); 2048278366Sadrian break; 2049278366Sadrian 2050278366Sadrian case WPI_BEACON_MISSED: 2051278366Sadrian { 2052278366Sadrian struct wpi_beacon_missed *miss = 2053278366Sadrian (struct wpi_beacon_missed *)(desc + 1); 2054278366Sadrian int misses; 2055278366Sadrian 2056278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2057278366Sadrian BUS_DMASYNC_POSTREAD); 2058278366Sadrian misses = le32toh(miss->consecutive); 2059278366Sadrian 2060278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, 2061278366Sadrian "%s: beacons missed %d/%d\n", __func__, misses, 2062278366Sadrian le32toh(miss->total)); 2063278366Sadrian 2064278366Sadrian if (vap->iv_state == IEEE80211_S_RUN && 2065280051Sadrian (ic->ic_flags & IEEE80211_F_SCAN) == 0) { 2066278366Sadrian if (misses >= vap->iv_bmissthreshold) { 2067278366Sadrian WPI_UNLOCK(sc); 2068278366Sadrian ieee80211_beacon_miss(ic); 2069278366Sadrian WPI_LOCK(sc); 2070278366Sadrian } 2071278366Sadrian } 2072278366Sadrian break; 2073278366Sadrian } 2074173362Sbenjsc case WPI_UC_READY: 2075173362Sbenjsc { 2076173362Sbenjsc struct wpi_ucode_info *uc = 2077278366Sadrian (struct wpi_ucode_info *)(desc + 1); 2078173362Sbenjsc 2079278366Sadrian /* The microcontroller is ready. */ 2080278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2081278366Sadrian BUS_DMASYNC_POSTREAD); 2082278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, 2083278366Sadrian "microcode alive notification version=%d.%d " 2084278366Sadrian "subtype=%x alive=%x\n", uc->major, uc->minor, 2085278366Sadrian uc->subtype, le32toh(uc->valid)); 2086173362Sbenjsc 2087173362Sbenjsc if (le32toh(uc->valid) != 1) { 2088173362Sbenjsc device_printf(sc->sc_dev, 2089173362Sbenjsc "microcontroller initialization failed\n"); 2090173362Sbenjsc wpi_stop_locked(sc); 2091173362Sbenjsc } 2092278366Sadrian /* Save the address of the error log in SRAM. */ 2093278366Sadrian sc->errptr = le32toh(uc->errptr); 2094173362Sbenjsc break; 2095173362Sbenjsc } 2096173362Sbenjsc case WPI_STATE_CHANGED: 2097173362Sbenjsc { 2098280059Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2099280059Sadrian BUS_DMASYNC_POSTREAD); 2100278366Sadrian 2101173362Sbenjsc uint32_t *status = (uint32_t *)(desc + 1); 2102278764Sadrian 2103278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "state changed to %x\n", 2104278366Sadrian le32toh(*status)); 2105278764Sadrian 2106173362Sbenjsc if (le32toh(*status) & 1) { 2107280077Sadrian WPI_NT_LOCK(sc); 2108280069Sadrian wpi_clear_node_table(sc); 2109280077Sadrian WPI_NT_UNLOCK(sc); 2110278366Sadrian ieee80211_runtask(ic, &sc->sc_radiooff_task); 2111278366Sadrian return; 2112173362Sbenjsc } 2113173362Sbenjsc break; 2114173362Sbenjsc } 2115173362Sbenjsc case WPI_START_SCAN: 2116173362Sbenjsc { 2117278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2118278366Sadrian BUS_DMASYNC_POSTREAD); 2119179957Sthompsa#ifdef WPI_DEBUG 2120173362Sbenjsc struct wpi_start_scan *scan = 2121278366Sadrian (struct wpi_start_scan *)(desc + 1); 2122278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2123278366Sadrian "%s: scanning channel %d status %x\n", 2124278366Sadrian __func__, scan->chan, le32toh(scan->status)); 2125179957Sthompsa#endif 2126173362Sbenjsc break; 2127173362Sbenjsc } 2128173362Sbenjsc case WPI_STOP_SCAN: 2129173362Sbenjsc { 2130278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2131278366Sadrian BUS_DMASYNC_POSTREAD); 2132179957Sthompsa#ifdef WPI_DEBUG 2133173362Sbenjsc struct wpi_stop_scan *scan = 2134278366Sadrian (struct wpi_stop_scan *)(desc + 1); 2135278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2136278366Sadrian "scan finished nchan=%d status=%d chan=%d\n", 2137278366Sadrian scan->nchan, scan->status, scan->chan); 2138179957Sthompsa#endif 2139177043Sthompsa sc->sc_scan_timer = 0; 2140278366Sadrian WPI_UNLOCK(sc); 2141178354Ssam ieee80211_scan_next(vap); 2142278366Sadrian WPI_LOCK(sc); 2143173362Sbenjsc break; 2144173362Sbenjsc } 2145278366Sadrian } 2146278764Sadrian } 2147173976Sbenjsc 2148278366Sadrian /* Tell the firmware what we have processed. */ 2149278366Sadrian wpi_update_rx_ring(sc); 2150278366Sadrian} 2151278366Sadrian 2152278366Sadrian/* 2153278366Sadrian * Process an INT_WAKEUP interrupt raised when the microcontroller wakes up 2154278366Sadrian * from power-down sleep mode. 2155278366Sadrian */ 2156280059Sadrianstatic void 2157278366Sadrianwpi_wakeup_intr(struct wpi_softc *sc) 2158278366Sadrian{ 2159278366Sadrian int qid; 2160278366Sadrian 2161278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 2162278366Sadrian "%s: ucode wakeup from power-down sleep\n", __func__); 2163278366Sadrian 2164278366Sadrian /* Wakeup RX and TX rings. */ 2165278366Sadrian if (sc->rxq.update) { 2166278764Sadrian sc->rxq.update = 0; 2167278366Sadrian wpi_update_rx_ring(sc); 2168278366Sadrian } 2169280071Sadrian WPI_TXQ_LOCK(sc); 2170280058Sadrian for (qid = 0; qid < WPI_DRV_NTXQUEUES; qid++) { 2171278366Sadrian struct wpi_tx_ring *ring = &sc->txq[qid]; 2172278366Sadrian 2173278366Sadrian if (ring->update) { 2174278764Sadrian ring->update = 0; 2175278366Sadrian wpi_update_tx_ring(sc, ring); 2176173362Sbenjsc } 2177278366Sadrian } 2178280071Sadrian WPI_TXQ_UNLOCK(sc); 2179173362Sbenjsc 2180278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 2181278366Sadrian} 2182278366Sadrian 2183278366Sadrian/* 2184278366Sadrian * Dump the error log of the firmware when a firmware panic occurs. Although 2185278366Sadrian * we can't debug the firmware because it is neither open source nor free, it 2186278366Sadrian * can help us to identify certain classes of problems. 2187278366Sadrian */ 2188278366Sadrianstatic void 2189278366Sadrianwpi_fatal_intr(struct wpi_softc *sc) 2190278366Sadrian{ 2191278366Sadrian struct wpi_fw_dump dump; 2192278366Sadrian uint32_t i, offset, count; 2193278366Sadrian const uint32_t size_errmsg = 2194278366Sadrian (sizeof (wpi_fw_errmsg) / sizeof ((wpi_fw_errmsg)[0])); 2195278366Sadrian 2196278366Sadrian /* Check that the error log address is valid. */ 2197278366Sadrian if (sc->errptr < WPI_FW_DATA_BASE || 2198278366Sadrian sc->errptr + sizeof (dump) > 2199278366Sadrian WPI_FW_DATA_BASE + WPI_FW_DATA_MAXSZ) { 2200278366Sadrian printf("%s: bad firmware error log address 0x%08x\n", __func__, 2201278366Sadrian sc->errptr); 2202280059Sadrian return; 2203280059Sadrian } 2204278366Sadrian if (wpi_nic_lock(sc) != 0) { 2205278366Sadrian printf("%s: could not read firmware error log\n", __func__); 2206280059Sadrian return; 2207280059Sadrian } 2208278366Sadrian /* Read number of entries in the log. */ 2209278366Sadrian count = wpi_mem_read(sc, sc->errptr); 2210278366Sadrian if (count == 0 || count * sizeof (dump) > WPI_FW_DATA_MAXSZ) { 2211278366Sadrian printf("%s: invalid count field (count = %u)\n", __func__, 2212278366Sadrian count); 2213278366Sadrian wpi_nic_unlock(sc); 2214278366Sadrian return; 2215173362Sbenjsc } 2216278366Sadrian /* Skip "count" field. */ 2217278366Sadrian offset = sc->errptr + sizeof (uint32_t); 2218278366Sadrian printf("firmware error log (count = %u):\n", count); 2219278366Sadrian for (i = 0; i < count; i++) { 2220278366Sadrian wpi_mem_read_region_4(sc, offset, (uint32_t *)&dump, 2221278366Sadrian sizeof (dump) / sizeof (uint32_t)); 2222173362Sbenjsc 2223278366Sadrian printf(" error type = \"%s\" (0x%08X)\n", 2224278366Sadrian (dump.desc < size_errmsg) ? 2225278366Sadrian wpi_fw_errmsg[dump.desc] : "UNKNOWN", 2226278366Sadrian dump.desc); 2227278366Sadrian printf(" error data = 0x%08X\n", 2228278366Sadrian dump.data); 2229278366Sadrian printf(" branch link = 0x%08X%08X\n", 2230278366Sadrian dump.blink[0], dump.blink[1]); 2231278366Sadrian printf(" interrupt link = 0x%08X%08X\n", 2232278366Sadrian dump.ilink[0], dump.ilink[1]); 2233278366Sadrian printf(" time = %u\n", dump.time); 2234278366Sadrian 2235278366Sadrian offset += sizeof (dump); 2236278366Sadrian } 2237278366Sadrian wpi_nic_unlock(sc); 2238278366Sadrian /* Dump driver status (TX and RX rings) while we're here. */ 2239278366Sadrian printf("driver status:\n"); 2240280071Sadrian WPI_TXQ_LOCK(sc); 2241280058Sadrian for (i = 0; i < WPI_DRV_NTXQUEUES; i++) { 2242278366Sadrian struct wpi_tx_ring *ring = &sc->txq[i]; 2243278366Sadrian printf(" tx ring %2d: qid=%-2d cur=%-3d queued=%-3d\n", 2244278366Sadrian i, ring->qid, ring->cur, ring->queued); 2245278366Sadrian } 2246280071Sadrian WPI_TXQ_UNLOCK(sc); 2247278366Sadrian printf(" rx ring: cur=%d\n", sc->rxq.cur); 2248173362Sbenjsc} 2249173362Sbenjsc 2250173362Sbenjscstatic void 2251173362Sbenjscwpi_intr(void *arg) 2252173362Sbenjsc{ 2253173362Sbenjsc struct wpi_softc *sc = arg; 2254278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2255278366Sadrian uint32_t r1, r2; 2256173362Sbenjsc 2257173362Sbenjsc WPI_LOCK(sc); 2258173362Sbenjsc 2259278366Sadrian /* Disable interrupts. */ 2260278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 2261278366Sadrian 2262278366Sadrian r1 = WPI_READ(sc, WPI_INT); 2263278366Sadrian 2264280065Sadrian if (r1 == 0xffffffff || (r1 & 0xfffffff0) == 0xa5a5a5a0) 2265280065Sadrian goto end; /* Hardware gone! */ 2266173362Sbenjsc 2267278366Sadrian r2 = WPI_READ(sc, WPI_FH_INT); 2268173362Sbenjsc 2269278366Sadrian DPRINTF(sc, WPI_DEBUG_INTR, "%s: reg1=0x%08x reg2=0x%08x\n", __func__, 2270278366Sadrian r1, r2); 2271278366Sadrian 2272278366Sadrian if (r1 == 0 && r2 == 0) 2273278366Sadrian goto done; /* Interrupt not for us. */ 2274278366Sadrian 2275278366Sadrian /* Acknowledge interrupts. */ 2276278366Sadrian WPI_WRITE(sc, WPI_INT, r1); 2277278366Sadrian WPI_WRITE(sc, WPI_FH_INT, r2); 2278278366Sadrian 2279278366Sadrian if (r1 & (WPI_INT_SW_ERR | WPI_INT_HW_ERR)) { 2280191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 2281191746Sthompsa 2282173362Sbenjsc device_printf(sc->sc_dev, "fatal firmware error\n"); 2283278366Sadrian wpi_fatal_intr(sc); 2284278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 2285278366Sadrian "(%s)\n", (r1 & WPI_INT_SW_ERR) ? "(Software Error)" : 2286278366Sadrian "(Hardware Error)"); 2287278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2288280065Sadrian goto end; 2289173362Sbenjsc } 2290173362Sbenjsc 2291278366Sadrian if ((r1 & (WPI_INT_FH_RX | WPI_INT_SW_RX)) || 2292278366Sadrian (r2 & WPI_FH_INT_RX)) 2293173362Sbenjsc wpi_notif_intr(sc); 2294173362Sbenjsc 2295278366Sadrian if (r1 & WPI_INT_ALIVE) 2296278366Sadrian wakeup(sc); /* Firmware is alive. */ 2297173362Sbenjsc 2298278366Sadrian if (r1 & WPI_INT_WAKEUP) 2299278366Sadrian wpi_wakeup_intr(sc); 2300173362Sbenjsc 2301278366Sadriandone: 2302278366Sadrian /* Re-enable interrupts. */ 2303278366Sadrian if (ifp->if_flags & IFF_UP) 2304278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 2305278366Sadrian 2306280065Sadrianend: WPI_UNLOCK(sc); 2307173362Sbenjsc} 2308173362Sbenjsc 2309278366Sadrianstatic int 2310278366Sadrianwpi_cmd2(struct wpi_softc *sc, struct wpi_buf *buf) 2311173362Sbenjsc{ 2312278366Sadrian struct ieee80211_frame *wh; 2313278366Sadrian struct wpi_tx_cmd *cmd; 2314278366Sadrian struct wpi_tx_data *data; 2315278366Sadrian struct wpi_tx_desc *desc; 2316278366Sadrian struct wpi_tx_ring *ring; 2317278366Sadrian struct mbuf *m1; 2318278366Sadrian bus_dma_segment_t *seg, segs[WPI_MAX_SCATTER]; 2319279763Sadrian int error, i, hdrlen, nsegs, totlen, pad; 2320173362Sbenjsc 2321278366Sadrian WPI_LOCK_ASSERT(sc); 2322173362Sbenjsc 2323280071Sadrian WPI_TXQ_LOCK(sc); 2324280071Sadrian 2325278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2326278366Sadrian 2327280071Sadrian if (sc->txq_active == 0) { 2328280071Sadrian /* wpi_stop() was called */ 2329280071Sadrian error = ENETDOWN; 2330280071Sadrian goto fail; 2331280071Sadrian } 2332280071Sadrian 2333278366Sadrian wh = mtod(buf->m, struct ieee80211_frame *); 2334279763Sadrian hdrlen = ieee80211_anyhdrsize(wh); 2335278366Sadrian totlen = buf->m->m_pkthdr.len; 2336278366Sadrian 2337279763Sadrian if (hdrlen & 3) { 2338279763Sadrian /* First segment length must be a multiple of 4. */ 2339279763Sadrian pad = 4 - (hdrlen & 3); 2340279763Sadrian } else 2341279763Sadrian pad = 0; 2342279763Sadrian 2343278366Sadrian ring = &sc->txq[buf->ac]; 2344278366Sadrian desc = &ring->desc[ring->cur]; 2345278366Sadrian data = &ring->data[ring->cur]; 2346278366Sadrian 2347278366Sadrian /* Prepare TX firmware command. */ 2348278366Sadrian cmd = &ring->cmd[ring->cur]; 2349278366Sadrian cmd->code = buf->code; 2350278366Sadrian cmd->flags = 0; 2351278366Sadrian cmd->qid = ring->qid; 2352278366Sadrian cmd->idx = ring->cur; 2353278366Sadrian 2354278366Sadrian memcpy(cmd->data, buf->data, buf->size); 2355278366Sadrian 2356278366Sadrian /* Save and trim IEEE802.11 header. */ 2357279763Sadrian memcpy((uint8_t *)(cmd->data + buf->size), wh, hdrlen); 2358279763Sadrian m_adj(buf->m, hdrlen); 2359278366Sadrian 2360278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, buf->m, 2361278366Sadrian segs, &nsegs, BUS_DMA_NOWAIT); 2362278366Sadrian if (error != 0 && error != EFBIG) { 2363278366Sadrian device_printf(sc->sc_dev, 2364278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, error); 2365280071Sadrian goto fail; 2366173362Sbenjsc } 2367278366Sadrian if (error != 0) { 2368278366Sadrian /* Too many DMA segments, linearize mbuf. */ 2369280050Sadrian m1 = m_collapse(buf->m, M_NOWAIT, WPI_MAX_SCATTER - 1); 2370278366Sadrian if (m1 == NULL) { 2371278366Sadrian device_printf(sc->sc_dev, 2372278366Sadrian "%s: could not defrag mbuf\n", __func__); 2373280071Sadrian error = ENOBUFS; 2374280071Sadrian goto fail; 2375278366Sadrian } 2376278366Sadrian buf->m = m1; 2377278366Sadrian 2378278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, 2379278366Sadrian buf->m, segs, &nsegs, BUS_DMA_NOWAIT); 2380278366Sadrian if (error != 0) { 2381278366Sadrian device_printf(sc->sc_dev, 2382280066Sadrian "%s: can't map mbuf (error %d)\n", __func__, 2383280066Sadrian error); 2384280071Sadrian goto fail; 2385278366Sadrian } 2386278366Sadrian } 2387278366Sadrian 2388280050Sadrian KASSERT(nsegs < WPI_MAX_SCATTER, 2389280050Sadrian ("too many DMA segments, nsegs (%d) should be less than %d", 2390280050Sadrian nsegs, WPI_MAX_SCATTER)); 2391280050Sadrian 2392278366Sadrian data->m = buf->m; 2393278366Sadrian data->ni = buf->ni; 2394278366Sadrian 2395278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: qid %d idx %d len %d nsegs %d\n", 2396278366Sadrian __func__, ring->qid, ring->cur, totlen, nsegs); 2397278366Sadrian 2398278366Sadrian /* Fill TX descriptor. */ 2399279763Sadrian desc->nsegs = WPI_PAD32(totlen + pad) << 4 | (1 + nsegs); 2400278366Sadrian /* First DMA segment is used by the TX command. */ 2401278366Sadrian desc->segs[0].addr = htole32(data->cmd_paddr); 2402279763Sadrian desc->segs[0].len = htole32(4 + buf->size + hdrlen + pad); 2403278366Sadrian /* Other DMA segments are for data payload. */ 2404278366Sadrian seg = &segs[0]; 2405278366Sadrian for (i = 1; i <= nsegs; i++) { 2406278366Sadrian desc->segs[i].addr = htole32(seg->ds_addr); 2407278366Sadrian desc->segs[i].len = htole32(seg->ds_len); 2408278366Sadrian seg++; 2409278366Sadrian } 2410278366Sadrian 2411278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); 2412278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2413278366Sadrian BUS_DMASYNC_PREWRITE); 2414278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2415278366Sadrian BUS_DMASYNC_PREWRITE); 2416278366Sadrian 2417278366Sadrian /* Kick TX ring. */ 2418278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2419278366Sadrian wpi_update_tx_ring(sc, ring); 2420278366Sadrian 2421280075Sadrian if (ring->qid < WPI_CMD_QUEUE_NUM) { 2422280075Sadrian /* Mark TX ring as full if we reach a certain threshold. */ 2423280075Sadrian if (++ring->queued > WPI_TX_RING_HIMARK) 2424280075Sadrian sc->qfullmsk |= 1 << ring->qid; 2425278366Sadrian 2426280074Sadrian sc->sc_tx_timer = 5; 2427280075Sadrian } 2428280074Sadrian 2429278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2430278366Sadrian 2431280071Sadrian WPI_TXQ_UNLOCK(sc); 2432280071Sadrian 2433278366Sadrian return 0; 2434280071Sadrian 2435280071Sadrianfail: m_freem(buf->m); 2436280071Sadrian 2437280071Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2438280071Sadrian 2439280071Sadrian WPI_TXQ_UNLOCK(sc); 2440280071Sadrian 2441280071Sadrian return error; 2442173362Sbenjsc} 2443173362Sbenjsc 2444173362Sbenjsc/* 2445278366Sadrian * Construct the data packet for a transmit buffer. 2446173362Sbenjsc */ 2447173362Sbenjscstatic int 2448278366Sadrianwpi_tx_data(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2449173362Sbenjsc{ 2450278366Sadrian const struct ieee80211_txparam *tp; 2451178354Ssam struct ieee80211vap *vap = ni->ni_vap; 2452278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2453280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 2454278366Sadrian struct ieee80211_channel *chan; 2455173362Sbenjsc struct ieee80211_frame *wh; 2456278366Sadrian struct ieee80211_key *k = NULL; 2457278366Sadrian struct wpi_cmd_data tx; 2458278366Sadrian struct wpi_buf tx_data; 2459278366Sadrian uint32_t flags; 2460278366Sadrian uint16_t qos; 2461278366Sadrian uint8_t tid, type; 2462280068Sadrian int ac, error, swcrypt, rate, ismcast, totlen; 2463173362Sbenjsc 2464278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2465278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2466278366Sadrian ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 2467173362Sbenjsc 2468278366Sadrian /* Select EDCA Access Category and TX ring for this frame. */ 2469278366Sadrian if (IEEE80211_QOS_HAS_SEQ(wh)) { 2470278366Sadrian qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 2471278366Sadrian tid = qos & IEEE80211_QOS_TID; 2472278366Sadrian } else { 2473278366Sadrian qos = 0; 2474278366Sadrian tid = 0; 2475280059Sadrian } 2476278366Sadrian ac = M_WME_GETAC(m); 2477173362Sbenjsc 2478278366Sadrian chan = (ni->ni_chan != IEEE80211_CHAN_ANYC) ? 2479278366Sadrian ni->ni_chan : ic->ic_curchan; 2480278366Sadrian tp = &vap->iv_txparms[ieee80211_chan2mode(chan)]; 2481173362Sbenjsc 2482278366Sadrian /* Choose a TX rate index. */ 2483278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) 2484278366Sadrian rate = tp->mgmtrate; 2485278366Sadrian else if (ismcast) 2486278366Sadrian rate = tp->mcastrate; 2487278366Sadrian else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2488278366Sadrian rate = tp->ucastrate; 2489278366Sadrian else if (m->m_flags & M_EAPOL) 2490278366Sadrian rate = tp->mgmtrate; 2491278366Sadrian else { 2492278366Sadrian /* XXX pass pktlen */ 2493278366Sadrian (void) ieee80211_ratectl_rate(ni, NULL, 0); 2494278366Sadrian rate = ni->ni_txrate; 2495278366Sadrian } 2496278366Sadrian 2497278366Sadrian /* Encrypt the frame if need be. */ 2498260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2499278366Sadrian /* Retrieve key for TX. */ 2500278366Sadrian k = ieee80211_crypto_encap(ni, m); 2501177043Sthompsa if (k == NULL) { 2502278366Sadrian error = ENOBUFS; 2503278366Sadrian goto fail; 2504173362Sbenjsc } 2505280068Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2506280068Sadrian 2507278366Sadrian /* 802.11 header may have moved. */ 2508278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2509173362Sbenjsc } 2510279763Sadrian totlen = m->m_pkthdr.len; 2511173362Sbenjsc 2512278366Sadrian if (ieee80211_radiotap_active_vap(vap)) { 2513278366Sadrian struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2514173362Sbenjsc 2515279763Sadrian tap->wt_flags = 0; 2516278366Sadrian tap->wt_rate = rate; 2517278366Sadrian if (k != NULL) 2518278366Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2519173362Sbenjsc 2520278366Sadrian ieee80211_radiotap_tx(vap, m); 2521278366Sadrian } 2522278366Sadrian 2523278366Sadrian flags = 0; 2524177119Ssam if (!ismcast) { 2525278366Sadrian /* Unicast frame, check if an ACK is expected. */ 2526278366Sadrian if (!qos || (qos & IEEE80211_QOS_ACKPOLICY) != 2527278366Sadrian IEEE80211_QOS_ACKPOLICY_NOACK) 2528278366Sadrian flags |= WPI_TX_NEED_ACK; 2529278366Sadrian } 2530278366Sadrian 2531278764Sadrian if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) 2532278764Sadrian flags |= WPI_TX_MORE_FRAG; /* Cannot happen yet. */ 2533278764Sadrian 2534278366Sadrian /* Check if frame must be protected using RTS/CTS or CTS-to-self. */ 2535278366Sadrian if (!ismcast) { 2536278366Sadrian /* NB: Group frames are sent using CCK in 802.11b/g. */ 2537278366Sadrian if (totlen + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) { 2538278366Sadrian flags |= WPI_TX_NEED_RTS; 2539278366Sadrian } else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2540278366Sadrian WPI_RATE_IS_OFDM(rate)) { 2541278366Sadrian if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2542278366Sadrian flags |= WPI_TX_NEED_CTS; 2543278366Sadrian else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2544278366Sadrian flags |= WPI_TX_NEED_RTS; 2545177043Sthompsa } 2546278366Sadrian 2547278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2548278366Sadrian flags |= WPI_TX_FULL_TXOP; 2549173362Sbenjsc } 2550278366Sadrian 2551278366Sadrian memset(&tx, 0, sizeof (struct wpi_cmd_data)); 2552278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2553173362Sbenjsc uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2554278366Sadrian 2555278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2556173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2557278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2558173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2559177043Sthompsa subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2560278366Sadrian tx.timeout = htole16(3); 2561173362Sbenjsc else 2562278366Sadrian tx.timeout = htole16(2); 2563177043Sthompsa } 2564173362Sbenjsc 2565278366Sadrian if (ismcast || type != IEEE80211_FC0_TYPE_DATA) 2566278366Sadrian tx.id = WPI_ID_BROADCAST; 2567278366Sadrian else { 2568278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 2569278366Sadrian device_printf(sc->sc_dev, 2570278366Sadrian "%s: undefined node id\n", __func__); 2571278366Sadrian error = EINVAL; 2572278366Sadrian goto fail; 2573278366Sadrian } 2574278366Sadrian 2575278366Sadrian tx.id = wn->id; 2576278366Sadrian } 2577278366Sadrian 2578278366Sadrian if (type != IEEE80211_FC0_TYPE_MGT) 2579278366Sadrian tx.data_ntries = tp->maxretry; 2580278366Sadrian 2581280068Sadrian if (k != NULL && !swcrypt) { 2582280068Sadrian switch (k->wk_cipher->ic_cipher) { 2583280068Sadrian case IEEE80211_CIPHER_AES_CCM: 2584280068Sadrian tx.security = WPI_CIPHER_CCMP; 2585280068Sadrian break; 2586280068Sadrian 2587280068Sadrian default: 2588280068Sadrian break; 2589280068Sadrian } 2590280068Sadrian 2591280068Sadrian memcpy(tx.key, k->wk_key, k->wk_keylen); 2592280068Sadrian } 2593280068Sadrian 2594278366Sadrian tx.len = htole16(totlen); 2595278366Sadrian tx.flags = htole32(flags); 2596278366Sadrian tx.plcp = rate2plcp(rate); 2597278366Sadrian tx.tid = tid; 2598278366Sadrian tx.lifetime = htole32(WPI_LIFETIME_INFINITE); 2599278366Sadrian tx.ofdm_mask = 0xff; 2600278366Sadrian tx.cck_mask = 0x0f; 2601278366Sadrian tx.rts_ntries = 7; 2602278366Sadrian 2603278366Sadrian tx_data.data = &tx; 2604278366Sadrian tx_data.ni = ni; 2605278366Sadrian tx_data.m = m; 2606278366Sadrian tx_data.size = sizeof(tx); 2607278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2608278366Sadrian tx_data.ac = ac; 2609278366Sadrian 2610278366Sadrian return wpi_cmd2(sc, &tx_data); 2611278366Sadrian 2612278366Sadrianfail: m_freem(m); 2613278366Sadrian return error; 2614278366Sadrian} 2615278366Sadrian 2616278366Sadrianstatic int 2617280066Sadrianwpi_tx_data_raw(struct wpi_softc *sc, struct mbuf *m, 2618280066Sadrian struct ieee80211_node *ni, const struct ieee80211_bpf_params *params) 2619278366Sadrian{ 2620278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 2621278366Sadrian struct ieee80211_frame *wh; 2622278366Sadrian struct wpi_cmd_data tx; 2623278366Sadrian struct wpi_buf tx_data; 2624278366Sadrian uint32_t flags; 2625278366Sadrian uint8_t type; 2626279763Sadrian int ac, rate, totlen; 2627278366Sadrian 2628278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2629278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2630279763Sadrian totlen = m->m_pkthdr.len; 2631278366Sadrian 2632278366Sadrian ac = params->ibp_pri & 3; 2633278366Sadrian 2634278366Sadrian /* Choose a TX rate index. */ 2635278366Sadrian rate = params->ibp_rate0; 2636278366Sadrian 2637278366Sadrian flags = 0; 2638278366Sadrian if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2639278366Sadrian flags |= WPI_TX_NEED_ACK; 2640278366Sadrian if (params->ibp_flags & IEEE80211_BPF_RTS) 2641278366Sadrian flags |= WPI_TX_NEED_RTS; 2642278366Sadrian if (params->ibp_flags & IEEE80211_BPF_CTS) 2643278366Sadrian flags |= WPI_TX_NEED_CTS; 2644278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2645278366Sadrian flags |= WPI_TX_FULL_TXOP; 2646278366Sadrian 2647192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2648177043Sthompsa struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2649278366Sadrian 2650177043Sthompsa tap->wt_flags = 0; 2651177043Sthompsa tap->wt_rate = rate; 2652178354Ssam 2653278366Sadrian ieee80211_radiotap_tx(vap, m); 2654177043Sthompsa } 2655173362Sbenjsc 2656278366Sadrian memset(&tx, 0, sizeof (struct wpi_cmd_data)); 2657278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2658278366Sadrian uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2659173362Sbenjsc 2660278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2661278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2662278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2663278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2664278366Sadrian subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2665278366Sadrian tx.timeout = htole16(3); 2666278366Sadrian else 2667278366Sadrian tx.timeout = htole16(2); 2668173362Sbenjsc } 2669173362Sbenjsc 2670278366Sadrian tx.len = htole16(totlen); 2671278366Sadrian tx.flags = htole32(flags); 2672278366Sadrian tx.plcp = rate2plcp(rate); 2673278366Sadrian tx.id = WPI_ID_BROADCAST; 2674278366Sadrian tx.lifetime = htole32(WPI_LIFETIME_INFINITE); 2675278366Sadrian tx.rts_ntries = params->ibp_try1; 2676278366Sadrian tx.data_ntries = params->ibp_try0; 2677278366Sadrian 2678278366Sadrian tx_data.data = &tx; 2679278366Sadrian tx_data.ni = ni; 2680278366Sadrian tx_data.m = m; 2681278366Sadrian tx_data.size = sizeof(tx); 2682278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2683278366Sadrian tx_data.ac = ac; 2684278366Sadrian 2685278366Sadrian return wpi_cmd2(sc, &tx_data); 2686278366Sadrian} 2687278366Sadrian 2688278366Sadrianstatic int 2689278366Sadrianwpi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2690278366Sadrian const struct ieee80211_bpf_params *params) 2691278366Sadrian{ 2692278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2693278366Sadrian struct ifnet *ifp = ic->ic_ifp; 2694278366Sadrian struct wpi_softc *sc = ifp->if_softc; 2695278366Sadrian int error = 0; 2696278366Sadrian 2697278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2698278366Sadrian 2699278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2700278366Sadrian ieee80211_free_node(ni); 2701278366Sadrian m_freem(m); 2702278366Sadrian return ENETDOWN; 2703173362Sbenjsc } 2704173362Sbenjsc 2705278366Sadrian WPI_LOCK(sc); 2706278366Sadrian if (params == NULL) { 2707278366Sadrian /* 2708278366Sadrian * Legacy path; interpret frame contents to decide 2709278366Sadrian * precisely how to send the frame. 2710278366Sadrian */ 2711278366Sadrian error = wpi_tx_data(sc, m, ni); 2712278366Sadrian } else { 2713278366Sadrian /* 2714278366Sadrian * Caller supplied explicit parameters to use in 2715278366Sadrian * sending the frame. 2716278366Sadrian */ 2717278366Sadrian error = wpi_tx_data_raw(sc, m, ni, params); 2718278366Sadrian } 2719278366Sadrian WPI_UNLOCK(sc); 2720173362Sbenjsc 2721278366Sadrian if (error != 0) { 2722278366Sadrian /* NB: m is reclaimed on tx failure */ 2723278366Sadrian ieee80211_free_node(ni); 2724278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2725173362Sbenjsc 2726278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2727278366Sadrian 2728278366Sadrian return error; 2729173362Sbenjsc } 2730173362Sbenjsc 2731278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2732173362Sbenjsc 2733173362Sbenjsc return 0; 2734173362Sbenjsc} 2735173362Sbenjsc 2736173362Sbenjsc/** 2737173362Sbenjsc * Process data waiting to be sent on the IFNET output queue 2738173362Sbenjsc */ 2739173362Sbenjscstatic void 2740173362Sbenjscwpi_start(struct ifnet *ifp) 2741173362Sbenjsc{ 2742173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2743178354Ssam 2744178354Ssam WPI_LOCK(sc); 2745178354Ssam wpi_start_locked(ifp); 2746178354Ssam WPI_UNLOCK(sc); 2747178354Ssam} 2748178354Ssam 2749178354Ssamstatic void 2750178354Ssamwpi_start_locked(struct ifnet *ifp) 2751178354Ssam{ 2752178354Ssam struct wpi_softc *sc = ifp->if_softc; 2753173362Sbenjsc struct ieee80211_node *ni; 2754178354Ssam struct mbuf *m; 2755173362Sbenjsc 2756178354Ssam WPI_LOCK_ASSERT(sc); 2757178354Ssam 2758278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: called\n", __func__); 2759278366Sadrian 2760278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 || 2761278366Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) 2762177043Sthompsa return; 2763173362Sbenjsc 2764173362Sbenjsc for (;;) { 2765278366Sadrian if (sc->qfullmsk != 0) { 2766278366Sadrian ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2767278366Sadrian break; 2768278366Sadrian } 2769190458Sjmallett IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2770178354Ssam if (m == NULL) 2771178354Ssam break; 2772278366Sadrian ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2773278366Sadrian if (wpi_tx_data(sc, m, ni) != 0) { 2774278366Sadrian WPI_UNLOCK(sc); 2775178354Ssam ieee80211_free_node(ni); 2776278366Sadrian WPI_LOCK(sc); 2777271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2778280074Sadrian } 2779178354Ssam } 2780278366Sadrian 2781278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: done\n", __func__); 2782178354Ssam} 2783173362Sbenjsc 2784278366Sadrianstatic void 2785280078Sadrianwpi_start_task(void *arg0, int pending) 2786280078Sadrian{ 2787280078Sadrian struct wpi_softc *sc = arg0; 2788280078Sadrian struct ifnet *ifp = sc->sc_ifp; 2789280078Sadrian 2790280078Sadrian wpi_start(ifp); 2791280078Sadrian} 2792280078Sadrian 2793280078Sadrianstatic void 2794278366Sadrianwpi_watchdog_rfkill(void *arg) 2795178354Ssam{ 2796278366Sadrian struct wpi_softc *sc = arg; 2797278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2798278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2799173362Sbenjsc 2800278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "RFkill Watchdog: tick\n"); 2801278366Sadrian 2802278366Sadrian /* No need to lock firmware memory. */ 2803278366Sadrian if ((wpi_prph_read(sc, WPI_APMG_RFKILL) & 0x1) == 0) { 2804278366Sadrian /* Radio kill switch is still off. */ 2805278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 2806278366Sadrian sc); 2807278366Sadrian } else 2808278366Sadrian ieee80211_runtask(ic, &sc->sc_radioon_task); 2809278366Sadrian} 2810278366Sadrian 2811278366Sadrian/** 2812278366Sadrian * Called every second, wpi_watchdog used by the watch dog timer 2813278366Sadrian * to check that the card is still alive 2814278366Sadrian */ 2815278366Sadrianstatic void 2816278366Sadrianwpi_watchdog(void *arg) 2817278366Sadrian{ 2818278366Sadrian struct wpi_softc *sc = arg; 2819278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2820278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2821278366Sadrian 2822278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "Watchdog: tick\n"); 2823278366Sadrian 2824278366Sadrian if (sc->sc_tx_timer > 0) { 2825278366Sadrian if (--sc->sc_tx_timer == 0) { 2826278366Sadrian if_printf(ifp, "device timeout\n"); 2827278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2828278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2829278366Sadrian } 2830178354Ssam } 2831173362Sbenjsc 2832278366Sadrian if (sc->sc_scan_timer > 0) { 2833278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2834278366Sadrian if (--sc->sc_scan_timer == 0 && vap != NULL) { 2835278366Sadrian if_printf(ifp, "scan timeout\n"); 2836278366Sadrian ieee80211_cancel_scan(vap); 2837278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2838278366Sadrian } 2839178354Ssam } 2840173362Sbenjsc 2841278366Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2842278366Sadrian callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 2843173362Sbenjsc} 2844173362Sbenjsc 2845173362Sbenjscstatic int 2846173362Sbenjscwpi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 2847173362Sbenjsc{ 2848173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2849178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2850278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2851178354Ssam struct ifreq *ifr = (struct ifreq *) data; 2852278366Sadrian int error = 0, startall = 0, stop = 0; 2853173362Sbenjsc 2854173362Sbenjsc switch (cmd) { 2855278366Sadrian case SIOCGIFADDR: 2856278366Sadrian error = ether_ioctl(ifp, cmd, data); 2857278366Sadrian break; 2858173362Sbenjsc case SIOCSIFFLAGS: 2859178704Sthompsa WPI_LOCK(sc); 2860278366Sadrian if (ifp->if_flags & IFF_UP) { 2861178354Ssam if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2862278366Sadrian wpi_init_locked(sc); 2863278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & 2864278366Sadrian WPI_GP_CNTRL_RFKILL) 2865278366Sadrian startall = 1; 2866278366Sadrian else 2867278366Sadrian stop = 1; 2868178354Ssam } 2869278366Sadrian } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2870173362Sbenjsc wpi_stop_locked(sc); 2871178704Sthompsa WPI_UNLOCK(sc); 2872178704Sthompsa if (startall) 2873178704Sthompsa ieee80211_start_all(ic); 2874278366Sadrian else if (vap != NULL && stop) 2875278366Sadrian ieee80211_stop(vap); 2876173362Sbenjsc break; 2877178354Ssam case SIOCGIFMEDIA: 2878178354Ssam error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2879178354Ssam break; 2880178704Sthompsa default: 2881178704Sthompsa error = EINVAL; 2882178704Sthompsa break; 2883173362Sbenjsc } 2884173362Sbenjsc return error; 2885173362Sbenjsc} 2886173362Sbenjsc 2887173362Sbenjsc/* 2888173362Sbenjsc * Send a command to the firmware. 2889173362Sbenjsc */ 2890173362Sbenjscstatic int 2891278366Sadrianwpi_cmd(struct wpi_softc *sc, int code, const void *buf, size_t size, 2892278366Sadrian int async) 2893173362Sbenjsc{ 2894280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 2895173362Sbenjsc struct wpi_tx_desc *desc; 2896278366Sadrian struct wpi_tx_data *data; 2897173362Sbenjsc struct wpi_tx_cmd *cmd; 2898278366Sadrian struct mbuf *m; 2899278366Sadrian bus_addr_t paddr; 2900278366Sadrian int totlen, error; 2901173362Sbenjsc 2902280071Sadrian WPI_TXQ_LOCK(sc); 2903280071Sadrian 2904278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2905278366Sadrian 2906280071Sadrian if (sc->txq_active == 0) { 2907280071Sadrian /* wpi_stop() was called */ 2908280071Sadrian error = 0; 2909280071Sadrian goto fail; 2910280071Sadrian } 2911280071Sadrian 2912278366Sadrian if (async == 0) 2913173362Sbenjsc WPI_LOCK_ASSERT(sc); 2914173362Sbenjsc 2915278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "wpi_cmd %s size %zu async %d\n", 2916278366Sadrian wpi_cmd_str(code), size, async); 2917173362Sbenjsc 2918173362Sbenjsc desc = &ring->desc[ring->cur]; 2919278366Sadrian data = &ring->data[ring->cur]; 2920278366Sadrian totlen = 4 + size; 2921173362Sbenjsc 2922278366Sadrian if (size > sizeof cmd->data) { 2923278366Sadrian /* Command is too large to fit in a descriptor. */ 2924280071Sadrian if (totlen > MCLBYTES) { 2925280071Sadrian error = EINVAL; 2926280071Sadrian goto fail; 2927280071Sadrian } 2928278366Sadrian m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 2929280071Sadrian if (m == NULL) { 2930280071Sadrian error = ENOMEM; 2931280071Sadrian goto fail; 2932280071Sadrian } 2933278366Sadrian cmd = mtod(m, struct wpi_tx_cmd *); 2934278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, cmd, 2935278366Sadrian totlen, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 2936278366Sadrian if (error != 0) { 2937278366Sadrian m_freem(m); 2938280071Sadrian goto fail; 2939278366Sadrian } 2940278366Sadrian data->m = m; 2941278366Sadrian } else { 2942278366Sadrian cmd = &ring->cmd[ring->cur]; 2943278366Sadrian paddr = data->cmd_paddr; 2944278366Sadrian } 2945278366Sadrian 2946173362Sbenjsc cmd->code = code; 2947173362Sbenjsc cmd->flags = 0; 2948173362Sbenjsc cmd->qid = ring->qid; 2949173362Sbenjsc cmd->idx = ring->cur; 2950173362Sbenjsc memcpy(cmd->data, buf, size); 2951173362Sbenjsc 2952278366Sadrian desc->nsegs = 1 + (WPI_PAD32(size) << 4); 2953278366Sadrian desc->segs[0].addr = htole32(paddr); 2954278366Sadrian desc->segs[0].len = htole32(totlen); 2955173362Sbenjsc 2956278366Sadrian if (size > sizeof cmd->data) { 2957278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 2958278366Sadrian BUS_DMASYNC_PREWRITE); 2959278366Sadrian } else { 2960278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2961278366Sadrian BUS_DMASYNC_PREWRITE); 2962278366Sadrian } 2963278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2964278366Sadrian BUS_DMASYNC_PREWRITE); 2965173362Sbenjsc 2966278366Sadrian /* Kick command ring. */ 2967278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2968278366Sadrian wpi_update_tx_ring(sc, ring); 2969278366Sadrian 2970278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2971278366Sadrian 2972280071Sadrian WPI_TXQ_UNLOCK(sc); 2973280071Sadrian 2974280072Sadrian if (async) 2975173362Sbenjsc return 0; 2976173362Sbenjsc 2977280062Sadrian return mtx_sleep(cmd, &sc->sc_mtx, PCATCH, "wpicmd", hz); 2978280071Sadrian 2979280071Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2980280071Sadrian 2981280071Sadrian WPI_TXQ_UNLOCK(sc); 2982280071Sadrian 2983280071Sadrian return error; 2984173362Sbenjsc} 2985173362Sbenjsc 2986173362Sbenjsc/* 2987278366Sadrian * Configure HW multi-rate retries. 2988173362Sbenjsc */ 2989173362Sbenjscstatic int 2990173362Sbenjscwpi_mrr_setup(struct wpi_softc *sc) 2991173362Sbenjsc{ 2992178354Ssam struct ifnet *ifp = sc->sc_ifp; 2993178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2994173362Sbenjsc struct wpi_mrr_setup mrr; 2995173362Sbenjsc int i, error; 2996173362Sbenjsc 2997278366Sadrian /* CCK rates (not used with 802.11a). */ 2998278366Sadrian for (i = WPI_RIDX_CCK1; i <= WPI_RIDX_CCK11; i++) { 2999173362Sbenjsc mrr.rates[i].flags = 0; 3000278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3001278366Sadrian /* Fallback to the immediate lower CCK rate (if any.) */ 3002278366Sadrian mrr.rates[i].next = 3003278366Sadrian (i == WPI_RIDX_CCK1) ? WPI_RIDX_CCK1 : i - 1; 3004278366Sadrian /* Try one time at this rate before falling back to "next". */ 3005173362Sbenjsc mrr.rates[i].ntries = 1; 3006173362Sbenjsc } 3007278366Sadrian /* OFDM rates (not used with 802.11b). */ 3008278366Sadrian for (i = WPI_RIDX_OFDM6; i <= WPI_RIDX_OFDM54; i++) { 3009173362Sbenjsc mrr.rates[i].flags = 0; 3010278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3011278366Sadrian /* Fallback to the immediate lower rate (if any.) */ 3012278366Sadrian /* We allow fallback from OFDM/6 to CCK/2 in 11b/g mode. */ 3013278366Sadrian mrr.rates[i].next = (i == WPI_RIDX_OFDM6) ? 3014173362Sbenjsc ((ic->ic_curmode == IEEE80211_MODE_11A) ? 3015278366Sadrian WPI_RIDX_OFDM6 : WPI_RIDX_CCK2) : 3016173362Sbenjsc i - 1; 3017278366Sadrian /* Try one time at this rate before falling back to "next". */ 3018173362Sbenjsc mrr.rates[i].ntries = 1; 3019173362Sbenjsc } 3020278366Sadrian /* Setup MRR for control frames. */ 3021278366Sadrian mrr.which = htole32(WPI_MRR_CTL); 3022173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3023173362Sbenjsc if (error != 0) { 3024173362Sbenjsc device_printf(sc->sc_dev, 3025173362Sbenjsc "could not setup MRR for control frames\n"); 3026173362Sbenjsc return error; 3027173362Sbenjsc } 3028278366Sadrian /* Setup MRR for data frames. */ 3029278366Sadrian mrr.which = htole32(WPI_MRR_DATA); 3030173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3031173362Sbenjsc if (error != 0) { 3032173362Sbenjsc device_printf(sc->sc_dev, 3033173362Sbenjsc "could not setup MRR for data frames\n"); 3034173362Sbenjsc return error; 3035173362Sbenjsc } 3036173362Sbenjsc return 0; 3037173362Sbenjsc} 3038173362Sbenjsc 3039278366Sadrianstatic int 3040278366Sadrianwpi_add_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3041278366Sadrian{ 3042278366Sadrian struct ieee80211com *ic = ni->ni_ic; 3043280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3044278366Sadrian struct wpi_node_info node; 3045278366Sadrian 3046278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3047278366Sadrian 3048278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 3049278366Sadrian return EINVAL; 3050278366Sadrian 3051278366Sadrian memset(&node, 0, sizeof node); 3052279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3053278366Sadrian node.id = wn->id; 3054278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3055278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3056278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3057278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3058278366Sadrian 3059278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 3060278366Sadrian} 3061278366Sadrian 3062278366Sadrian/* 3063278366Sadrian * Broadcast node is used to send group-addressed and management frames. 3064278366Sadrian */ 3065278366Sadrianstatic int 3066278366Sadrianwpi_add_broadcast_node(struct wpi_softc *sc, int async) 3067278366Sadrian{ 3068278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3069278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3070278366Sadrian struct wpi_node_info node; 3071278366Sadrian 3072278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3073278366Sadrian 3074278366Sadrian memset(&node, 0, sizeof node); 3075278366Sadrian IEEE80211_ADDR_COPY(node.macaddr, ifp->if_broadcastaddr); 3076278366Sadrian node.id = WPI_ID_BROADCAST; 3077278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3078278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3079278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3080278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3081278366Sadrian 3082278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, async); 3083278366Sadrian} 3084278366Sadrian 3085278366Sadrianstatic int 3086280070Sadrianwpi_add_sta_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3087280070Sadrian{ 3088280070Sadrian struct wpi_node *wn = WPI_NODE(ni); 3089280070Sadrian int error; 3090280070Sadrian 3091280070Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3092280070Sadrian 3093280070Sadrian wn->id = wpi_add_node_entry_sta(sc); 3094280070Sadrian 3095280070Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3096280070Sadrian wpi_del_node_entry(sc, wn->id); 3097280070Sadrian wn->id = WPI_ID_UNDEFINED; 3098280070Sadrian return error; 3099280070Sadrian } 3100280070Sadrian 3101280070Sadrian return 0; 3102280070Sadrian} 3103280070Sadrian 3104280070Sadrianstatic int 3105278366Sadrianwpi_add_ibss_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3106278366Sadrian{ 3107280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3108280069Sadrian int error; 3109278366Sadrian 3110278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3111278366Sadrian 3112278366Sadrian if (wn->id != WPI_ID_UNDEFINED) 3113278366Sadrian return EINVAL; 3114278366Sadrian 3115280069Sadrian if ((wn->id = wpi_add_node_entry_adhoc(sc)) == WPI_ID_UNDEFINED) { 3116280069Sadrian device_printf(sc->sc_dev, "%s: h/w table is full\n", __func__); 3117280069Sadrian return ENOMEM; 3118280069Sadrian } 3119278366Sadrian 3120280069Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3121280069Sadrian wpi_del_node_entry(sc, wn->id); 3122280069Sadrian wn->id = WPI_ID_UNDEFINED; 3123280069Sadrian return error; 3124280069Sadrian } 3125278366Sadrian 3126280069Sadrian return 0; 3127278366Sadrian} 3128278366Sadrian 3129173362Sbenjscstatic void 3130278366Sadrianwpi_del_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3131278366Sadrian{ 3132280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3133278366Sadrian struct wpi_cmd_del_node node; 3134278366Sadrian int error; 3135278366Sadrian 3136278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3137278366Sadrian 3138278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 3139278366Sadrian device_printf(sc->sc_dev, "%s: undefined node id passed\n", 3140278366Sadrian __func__); 3141278366Sadrian return; 3142278366Sadrian } 3143278366Sadrian 3144278366Sadrian memset(&node, 0, sizeof node); 3145279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3146278366Sadrian node.count = 1; 3147278366Sadrian 3148278366Sadrian error = wpi_cmd(sc, WPI_CMD_DEL_NODE, &node, sizeof node, 1); 3149278366Sadrian if (error != 0) { 3150278366Sadrian device_printf(sc->sc_dev, 3151278366Sadrian "%s: could not delete node %u, error %d\n", __func__, 3152278366Sadrian wn->id, error); 3153278366Sadrian } 3154278366Sadrian} 3155278366Sadrian 3156278366Sadrianstatic int 3157278366Sadrianwpi_updateedca(struct ieee80211com *ic) 3158278366Sadrian{ 3159278366Sadrian#define WPI_EXP2(x) ((1 << (x)) - 1) /* CWmin = 2^ECWmin - 1 */ 3160278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 3161278366Sadrian struct wpi_edca_params cmd; 3162278366Sadrian int aci, error; 3163278366Sadrian 3164278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3165278366Sadrian 3166278366Sadrian memset(&cmd, 0, sizeof cmd); 3167278366Sadrian cmd.flags = htole32(WPI_EDCA_UPDATE); 3168278366Sadrian for (aci = 0; aci < WME_NUM_AC; aci++) { 3169278366Sadrian const struct wmeParams *ac = 3170278366Sadrian &ic->ic_wme.wme_chanParams.cap_wmeParams[aci]; 3171278366Sadrian cmd.ac[aci].aifsn = ac->wmep_aifsn; 3172278366Sadrian cmd.ac[aci].cwmin = htole16(WPI_EXP2(ac->wmep_logcwmin)); 3173278366Sadrian cmd.ac[aci].cwmax = htole16(WPI_EXP2(ac->wmep_logcwmax)); 3174278366Sadrian cmd.ac[aci].txoplimit = 3175278366Sadrian htole16(IEEE80211_TXOP_TO_US(ac->wmep_txopLimit)); 3176278366Sadrian 3177278366Sadrian DPRINTF(sc, WPI_DEBUG_EDCA, 3178278366Sadrian "setting WME for queue %d aifsn=%d cwmin=%d cwmax=%d " 3179278366Sadrian "txoplimit=%d\n", aci, cmd.ac[aci].aifsn, 3180278366Sadrian cmd.ac[aci].cwmin, cmd.ac[aci].cwmax, 3181278366Sadrian cmd.ac[aci].txoplimit); 3182278366Sadrian } 3183278366Sadrian error = wpi_cmd(sc, WPI_CMD_EDCA_PARAMS, &cmd, sizeof cmd, 1); 3184278366Sadrian 3185278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3186278366Sadrian 3187278366Sadrian return error; 3188278366Sadrian#undef WPI_EXP2 3189278366Sadrian} 3190278366Sadrian 3191278366Sadrianstatic void 3192278366Sadrianwpi_set_promisc(struct wpi_softc *sc) 3193278366Sadrian{ 3194278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3195278366Sadrian uint32_t promisc_filter; 3196278366Sadrian 3197278366Sadrian promisc_filter = WPI_FILTER_PROMISC | WPI_FILTER_CTL; 3198278366Sadrian 3199278366Sadrian if (ifp->if_flags & IFF_PROMISC) 3200278366Sadrian sc->rxon.filter |= htole32(promisc_filter); 3201278366Sadrian else 3202278366Sadrian sc->rxon.filter &= ~htole32(promisc_filter); 3203278366Sadrian} 3204278366Sadrian 3205278366Sadrianstatic void 3206278366Sadrianwpi_update_promisc(struct ifnet *ifp) 3207278366Sadrian{ 3208278366Sadrian struct wpi_softc *sc = ifp->if_softc; 3209278366Sadrian 3210280074Sadrian WPI_LOCK(sc); 3211278366Sadrian wpi_set_promisc(sc); 3212278366Sadrian 3213278366Sadrian if (wpi_send_rxon(sc, 1, 1) != 0) { 3214278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3215278366Sadrian __func__); 3216278366Sadrian } 3217278366Sadrian WPI_UNLOCK(sc); 3218278366Sadrian} 3219278366Sadrian 3220278366Sadrianstatic void 3221278366Sadrianwpi_update_mcast(struct ifnet *ifp) 3222278366Sadrian{ 3223278366Sadrian /* Ignore */ 3224278366Sadrian} 3225278366Sadrian 3226278366Sadrianstatic void 3227173362Sbenjscwpi_set_led(struct wpi_softc *sc, uint8_t which, uint8_t off, uint8_t on) 3228173362Sbenjsc{ 3229173362Sbenjsc struct wpi_cmd_led led; 3230173362Sbenjsc 3231278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3232278366Sadrian 3233173362Sbenjsc led.which = which; 3234173362Sbenjsc led.unit = htole32(100000); /* on/off in unit of 100ms */ 3235173362Sbenjsc led.off = off; 3236173362Sbenjsc led.on = on; 3237173362Sbenjsc (void)wpi_cmd(sc, WPI_CMD_SET_LED, &led, sizeof led, 1); 3238173362Sbenjsc} 3239173362Sbenjsc 3240278366Sadrianstatic int 3241278366Sadrianwpi_set_timing(struct wpi_softc *sc, struct ieee80211_node *ni) 3242173362Sbenjsc{ 3243278366Sadrian struct wpi_cmd_timing cmd; 3244173362Sbenjsc uint64_t val, mod; 3245173362Sbenjsc 3246278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3247173362Sbenjsc 3248278366Sadrian memset(&cmd, 0, sizeof cmd); 3249278366Sadrian memcpy(&cmd.tstamp, ni->ni_tstamp.data, sizeof (uint64_t)); 3250278366Sadrian cmd.bintval = htole16(ni->ni_intval); 3251278366Sadrian cmd.lintval = htole16(10); 3252173362Sbenjsc 3253278366Sadrian /* Compute remaining time until next beacon. */ 3254278366Sadrian val = (uint64_t)ni->ni_intval * IEEE80211_DUR_TU; 3255278366Sadrian mod = le64toh(cmd.tstamp) % val; 3256278366Sadrian cmd.binitval = htole32((uint32_t)(val - mod)); 3257278366Sadrian 3258278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "timing bintval=%u tstamp=%ju, init=%u\n", 3259278366Sadrian ni->ni_intval, le64toh(cmd.tstamp), (uint32_t)(val - mod)); 3260278366Sadrian 3261278366Sadrian return wpi_cmd(sc, WPI_CMD_TIMING, &cmd, sizeof cmd, 1); 3262173362Sbenjsc} 3263173362Sbenjsc 3264173362Sbenjsc/* 3265278366Sadrian * This function is called periodically (every 60 seconds) to adjust output 3266278366Sadrian * power to temperature changes. 3267173362Sbenjsc */ 3268278366Sadrianstatic void 3269278366Sadrianwpi_power_calibration(struct wpi_softc *sc) 3270278366Sadrian{ 3271278366Sadrian int temp; 3272278366Sadrian 3273278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3274278366Sadrian 3275278366Sadrian /* Update sensor data. */ 3276278366Sadrian temp = (int)WPI_READ(sc, WPI_UCODE_GP2); 3277278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "Temp in calibration is: %d\n", temp); 3278278366Sadrian 3279278366Sadrian /* Sanity-check read value. */ 3280278366Sadrian if (temp < -260 || temp > 25) { 3281278366Sadrian /* This can't be correct, ignore. */ 3282278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3283278366Sadrian "out-of-range temperature reported: %d\n", temp); 3284278366Sadrian return; 3285278366Sadrian } 3286278366Sadrian 3287278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d->%d\n", sc->temp, temp); 3288278366Sadrian 3289278366Sadrian /* Adjust Tx power if need be. */ 3290278366Sadrian if (abs(temp - sc->temp) <= 6) 3291278366Sadrian return; 3292278366Sadrian 3293278366Sadrian sc->temp = temp; 3294278366Sadrian 3295278366Sadrian if (wpi_set_txpower(sc, 1) != 0) { 3296278366Sadrian /* just warn, too bad for the automatic calibration... */ 3297278366Sadrian device_printf(sc->sc_dev,"could not adjust Tx power\n"); 3298278366Sadrian } 3299278366Sadrian} 3300278366Sadrian 3301278366Sadrian/* 3302278366Sadrian * Set TX power for current channel. 3303278366Sadrian */ 3304173362Sbenjscstatic int 3305278366Sadrianwpi_set_txpower(struct wpi_softc *sc, int async) 3306173362Sbenjsc{ 3307280067Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3308278366Sadrian struct ieee80211_channel *ch; 3309278366Sadrian struct wpi_power_group *group; 3310278366Sadrian struct wpi_cmd_txpower cmd; 3311278366Sadrian uint8_t chan; 3312278366Sadrian int idx, i; 3313173362Sbenjsc 3314278366Sadrian /* Retrieve current channel from last RXON. */ 3315278366Sadrian chan = sc->rxon.chan; 3316278366Sadrian ch = &ic->ic_channels[chan]; 3317173362Sbenjsc 3318278366Sadrian /* Find the TX power group to which this channel belongs. */ 3319278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3320278366Sadrian for (group = &sc->groups[1]; group < &sc->groups[4]; group++) 3321278366Sadrian if (chan <= group->chan) 3322278366Sadrian break; 3323278366Sadrian } else 3324278366Sadrian group = &sc->groups[0]; 3325278366Sadrian 3326278366Sadrian memset(&cmd, 0, sizeof cmd); 3327278366Sadrian cmd.band = IEEE80211_IS_CHAN_5GHZ(ch) ? 0 : 1; 3328278366Sadrian cmd.chan = htole16(chan); 3329278366Sadrian 3330278366Sadrian /* Set TX power for all OFDM and CCK rates. */ 3331278366Sadrian for (i = 0; i <= WPI_RIDX_MAX ; i++) { 3332278366Sadrian /* Retrieve TX power for this channel/rate. */ 3333278366Sadrian idx = wpi_get_power_index(sc, group, ch, i); 3334278366Sadrian 3335278366Sadrian cmd.rates[i].plcp = wpi_ridx_to_plcp[i]; 3336278366Sadrian 3337278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3338278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_5ghz[idx]; 3339278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_5ghz[idx]; 3340278366Sadrian } else { 3341278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_2ghz[idx]; 3342278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_2ghz[idx]; 3343278366Sadrian } 3344278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3345278366Sadrian "chan %d/ridx %d: power index %d\n", chan, i, idx); 3346173362Sbenjsc } 3347173362Sbenjsc 3348278366Sadrian return wpi_cmd(sc, WPI_CMD_TXPOWER, &cmd, sizeof cmd, async); 3349278366Sadrian} 3350173362Sbenjsc 3351278366Sadrian/* 3352278366Sadrian * Determine Tx power index for a given channel/rate combination. 3353278366Sadrian * This takes into account the regulatory information from EEPROM and the 3354278366Sadrian * current temperature. 3355278366Sadrian */ 3356278366Sadrianstatic int 3357278366Sadrianwpi_get_power_index(struct wpi_softc *sc, struct wpi_power_group *group, 3358278366Sadrian struct ieee80211_channel *c, int ridx) 3359278366Sadrian{ 3360278366Sadrian/* Fixed-point arithmetic division using a n-bit fractional part. */ 3361280059Sadrian#define fdivround(a, b, n) \ 3362278366Sadrian ((((1 << n) * (a)) / (b) + (1 << n) / 2) / (1 << n)) 3363173362Sbenjsc 3364278366Sadrian/* Linear interpolation. */ 3365280059Sadrian#define interpolate(x, x1, y1, x2, y2, n) \ 3366278366Sadrian ((y1) + fdivround(((x) - (x1)) * ((y2) - (y1)), (x2) - (x1), n)) 3367173362Sbenjsc 3368280067Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3369278366Sadrian struct wpi_power_sample *sample; 3370278366Sadrian int pwr, idx; 3371278366Sadrian u_int chan; 3372278366Sadrian 3373278366Sadrian /* Get channel number. */ 3374278366Sadrian chan = ieee80211_chan2ieee(ic, c); 3375278366Sadrian 3376278366Sadrian /* Default TX power is group maximum TX power minus 3dB. */ 3377278366Sadrian pwr = group->maxpwr / 2; 3378278366Sadrian 3379278366Sadrian /* Decrease TX power for highest OFDM rates to reduce distortion. */ 3380278366Sadrian switch (ridx) { 3381278366Sadrian case WPI_RIDX_OFDM36: 3382278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 0 : 5; 3383278366Sadrian break; 3384278366Sadrian case WPI_RIDX_OFDM48: 3385278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 7 : 10; 3386278366Sadrian break; 3387278366Sadrian case WPI_RIDX_OFDM54: 3388278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 9 : 12; 3389278366Sadrian break; 3390173362Sbenjsc } 3391173362Sbenjsc 3392278366Sadrian /* Never exceed the channel maximum allowed TX power. */ 3393278366Sadrian pwr = min(pwr, sc->maxpwr[chan]); 3394173362Sbenjsc 3395278366Sadrian /* Retrieve TX power index into gain tables from samples. */ 3396278366Sadrian for (sample = group->samples; sample < &group->samples[3]; sample++) 3397278366Sadrian if (pwr > sample[1].power) 3398278366Sadrian break; 3399278366Sadrian /* Fixed-point linear interpolation using a 19-bit fractional part. */ 3400278366Sadrian idx = interpolate(pwr, sample[0].power, sample[0].index, 3401278366Sadrian sample[1].power, sample[1].index, 19); 3402173362Sbenjsc 3403278366Sadrian /*- 3404278366Sadrian * Adjust power index based on current temperature: 3405278366Sadrian * - if cooler than factory-calibrated: decrease output power 3406278366Sadrian * - if warmer than factory-calibrated: increase output power 3407278366Sadrian */ 3408278366Sadrian idx -= (sc->temp - group->temp) * 11 / 100; 3409173362Sbenjsc 3410278366Sadrian /* Decrease TX power for CCK rates (-5dB). */ 3411278366Sadrian if (ridx >= WPI_RIDX_CCK1) 3412278366Sadrian idx += 10; 3413278366Sadrian 3414278366Sadrian /* Make sure idx stays in a valid range. */ 3415278366Sadrian if (idx < 0) 3416278366Sadrian return 0; 3417278366Sadrian if (idx > WPI_MAX_PWR_INDEX) 3418278366Sadrian return WPI_MAX_PWR_INDEX; 3419278366Sadrian return idx; 3420278366Sadrian 3421278366Sadrian#undef interpolate 3422278366Sadrian#undef fdivround 3423173362Sbenjsc} 3424173362Sbenjsc 3425278366Sadrian/* 3426278366Sadrian * Set STA mode power saving level (between 0 and 5). 3427278366Sadrian * Level 0 is CAM (Continuously Aware Mode), 5 is for maximum power saving. 3428278366Sadrian */ 3429173362Sbenjscstatic int 3430278366Sadrianwpi_set_pslevel(struct wpi_softc *sc, uint8_t dtim, int level, int async) 3431173362Sbenjsc{ 3432278366Sadrian struct wpi_pmgt_cmd cmd; 3433278366Sadrian const struct wpi_pmgt *pmgt; 3434278366Sadrian uint32_t max, skip_dtim; 3435278366Sadrian uint32_t reg; 3436278366Sadrian int i; 3437278366Sadrian 3438278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 3439278366Sadrian "%s: dtim=%d, level=%d, async=%d\n", 3440278366Sadrian __func__, dtim, level, async); 3441278366Sadrian 3442278366Sadrian /* Select which PS parameters to use. */ 3443278366Sadrian if (dtim <= 10) 3444278366Sadrian pmgt = &wpi_pmgt[0][level]; 3445278366Sadrian else 3446278366Sadrian pmgt = &wpi_pmgt[1][level]; 3447278366Sadrian 3448278366Sadrian memset(&cmd, 0, sizeof cmd); 3449278366Sadrian if (level != 0) /* not CAM */ 3450278366Sadrian cmd.flags |= htole16(WPI_PS_ALLOW_SLEEP); 3451278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 3452278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 3453278366Sadrian if (!(reg & 0x1)) /* L0s Entry disabled. */ 3454278366Sadrian cmd.flags |= htole16(WPI_PS_PCI_PMGT); 3455278366Sadrian 3456278366Sadrian cmd.rxtimeout = htole32(pmgt->rxtimeout * IEEE80211_DUR_TU); 3457278366Sadrian cmd.txtimeout = htole32(pmgt->txtimeout * IEEE80211_DUR_TU); 3458278366Sadrian 3459278366Sadrian if (dtim == 0) { 3460278366Sadrian dtim = 1; 3461278366Sadrian skip_dtim = 0; 3462278366Sadrian } else 3463278366Sadrian skip_dtim = pmgt->skip_dtim; 3464278366Sadrian 3465278366Sadrian if (skip_dtim != 0) { 3466278366Sadrian cmd.flags |= htole16(WPI_PS_SLEEP_OVER_DTIM); 3467278366Sadrian max = pmgt->intval[4]; 3468278366Sadrian if (max == (uint32_t)-1) 3469278366Sadrian max = dtim * (skip_dtim + 1); 3470278366Sadrian else if (max > dtim) 3471278366Sadrian max = (max / dtim) * dtim; 3472278366Sadrian } else 3473278366Sadrian max = dtim; 3474278366Sadrian 3475278366Sadrian for (i = 0; i < 5; i++) 3476278366Sadrian cmd.intval[i] = htole32(MIN(max, pmgt->intval[i])); 3477278366Sadrian 3478278366Sadrian return wpi_cmd(sc, WPI_CMD_SET_POWER_MODE, &cmd, sizeof cmd, async); 3479278366Sadrian} 3480278366Sadrian 3481280059Sadrianstatic int 3482278366Sadrianwpi_send_btcoex(struct wpi_softc *sc) 3483278366Sadrian{ 3484278366Sadrian struct wpi_bluetooth cmd; 3485278366Sadrian 3486280059Sadrian memset(&cmd, 0, sizeof cmd); 3487280059Sadrian cmd.flags = WPI_BT_COEX_MODE_4WIRE; 3488280059Sadrian cmd.lead_time = WPI_BT_LEAD_TIME_DEF; 3489280059Sadrian cmd.max_kill = WPI_BT_MAX_KILL_DEF; 3490278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "%s: configuring bluetooth coexistence\n", 3491278366Sadrian __func__); 3492280059Sadrian return wpi_cmd(sc, WPI_CMD_BT_COEX, &cmd, sizeof(cmd), 0); 3493278366Sadrian} 3494278366Sadrian 3495278366Sadrianstatic int 3496278366Sadrianwpi_send_rxon(struct wpi_softc *sc, int assoc, int async) 3497278366Sadrian{ 3498173362Sbenjsc int error; 3499173362Sbenjsc 3500278366Sadrian if (assoc && (sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3501278366Sadrian struct wpi_assoc rxon_assoc; 3502177043Sthompsa 3503278366Sadrian rxon_assoc.flags = sc->rxon.flags; 3504278366Sadrian rxon_assoc.filter = sc->rxon.filter; 3505278366Sadrian rxon_assoc.ofdm_mask = sc->rxon.ofdm_mask; 3506278366Sadrian rxon_assoc.cck_mask = sc->rxon.cck_mask; 3507278366Sadrian rxon_assoc.reserved = 0; 3508278366Sadrian 3509278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON_ASSOC, &rxon_assoc, 3510278366Sadrian sizeof (struct wpi_assoc), async); 3511216522Sbschmidt } else { 3512280077Sadrian if (async) 3513280077Sadrian WPI_NT_LOCK(sc); 3514280077Sadrian 3515278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3516278366Sadrian sizeof (struct wpi_rxon), async); 3517280069Sadrian 3518280069Sadrian wpi_clear_node_table(sc); 3519280077Sadrian 3520280077Sadrian if (async) 3521280077Sadrian WPI_NT_UNLOCK(sc); 3522173362Sbenjsc } 3523173362Sbenjsc if (error != 0) { 3524278366Sadrian device_printf(sc->sc_dev, "RXON command failed, error %d\n", 3525278366Sadrian error); 3526173362Sbenjsc return error; 3527173362Sbenjsc } 3528173362Sbenjsc 3529278366Sadrian /* Configuration has changed, set Tx power accordingly. */ 3530278366Sadrian if ((error = wpi_set_txpower(sc, async)) != 0) { 3531278366Sadrian device_printf(sc->sc_dev, 3532278366Sadrian "%s: could not set TX power, error %d\n", __func__, error); 3533173362Sbenjsc return error; 3534173362Sbenjsc } 3535173362Sbenjsc 3536278366Sadrian if (!(sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3537278366Sadrian /* Add broadcast node. */ 3538278366Sadrian error = wpi_add_broadcast_node(sc, async); 3539278366Sadrian if (error != 0) { 3540278366Sadrian device_printf(sc->sc_dev, 3541278366Sadrian "could not add broadcast node, error %d\n", error); 3542278366Sadrian return error; 3543278366Sadrian } 3544278366Sadrian } 3545177043Sthompsa 3546278366Sadrian return 0; 3547177043Sthompsa} 3548177043Sthompsa 3549278366Sadrian/** 3550278366Sadrian * Configure the card to listen to a particular channel, this transisions the 3551278366Sadrian * card in to being able to receive frames from remote devices. 3552278366Sadrian */ 3553177043Sthompsastatic int 3554278366Sadrianwpi_config(struct wpi_softc *sc) 3555177043Sthompsa{ 3556278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3557278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3558279762Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3559278366Sadrian uint32_t flags; 3560177043Sthompsa int error; 3561177043Sthompsa 3562278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3563278366Sadrian 3564278366Sadrian /* Set power saving level to CAM during initialization. */ 3565278366Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 0)) != 0) { 3566278366Sadrian device_printf(sc->sc_dev, 3567278366Sadrian "%s: could not set power saving level\n", __func__); 3568278366Sadrian return error; 3569178354Ssam } 3570178354Ssam 3571278366Sadrian /* Configure bluetooth coexistence. */ 3572278366Sadrian if ((error = wpi_send_btcoex(sc)) != 0) { 3573278366Sadrian device_printf(sc->sc_dev, 3574278366Sadrian "could not configure bluetooth coexistence\n"); 3575278366Sadrian return error; 3576278366Sadrian } 3577177043Sthompsa 3578278366Sadrian /* Configure adapter. */ 3579278366Sadrian memset(&sc->rxon, 0, sizeof (struct wpi_rxon)); 3580279762Sadrian IEEE80211_ADDR_COPY(sc->rxon.myaddr, vap->iv_myaddr); 3581177043Sthompsa 3582278366Sadrian /* Set default channel. */ 3583278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ic->ic_curchan); 3584278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3585278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) 3586278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3587177043Sthompsa 3588278764Sadrian sc->rxon.filter = WPI_FILTER_MULTICAST; 3589278366Sadrian switch (ic->ic_opmode) { 3590278366Sadrian case IEEE80211_M_STA: 3591278366Sadrian sc->rxon.mode = WPI_MODE_STA; 3592278366Sadrian break; 3593278366Sadrian case IEEE80211_M_IBSS: 3594278366Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3595278764Sadrian sc->rxon.filter |= WPI_FILTER_BEACON; 3596278366Sadrian break; 3597278366Sadrian /* XXX workaround for passive channels selection */ 3598278366Sadrian case IEEE80211_M_AHDEMO: 3599278366Sadrian case IEEE80211_M_HOSTAP: 3600278366Sadrian sc->rxon.mode = WPI_MODE_HOSTAP; 3601278366Sadrian break; 3602278366Sadrian case IEEE80211_M_MONITOR: 3603278366Sadrian sc->rxon.mode = WPI_MODE_MONITOR; 3604278366Sadrian break; 3605278366Sadrian default: 3606280066Sadrian device_printf(sc->sc_dev, "unknown opmode %d\n", 3607280066Sadrian ic->ic_opmode); 3608278366Sadrian return EINVAL; 3609278366Sadrian } 3610278764Sadrian sc->rxon.filter = htole32(sc->rxon.filter); 3611278366Sadrian wpi_set_promisc(sc); 3612278366Sadrian sc->rxon.cck_mask = 0x0f; /* not yet negotiated */ 3613278366Sadrian sc->rxon.ofdm_mask = 0xff; /* not yet negotiated */ 3614278366Sadrian 3615278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) { 3616278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3617278366Sadrian __func__); 3618173362Sbenjsc return error; 3619173362Sbenjsc } 3620173362Sbenjsc 3621278366Sadrian /* Setup rate scalling. */ 3622278366Sadrian if ((error = wpi_mrr_setup(sc)) != 0) { 3623278366Sadrian device_printf(sc->sc_dev, "could not setup MRR, error %d\n", 3624278366Sadrian error); 3625278366Sadrian return error; 3626278366Sadrian } 3627278366Sadrian 3628278366Sadrian /* Disable beacon notifications (unused). */ 3629278366Sadrian flags = WPI_STATISTICS_BEACON_DISABLE; 3630278366Sadrian error = wpi_cmd(sc, WPI_CMD_GET_STATISTICS, &flags, sizeof flags, 1); 3631177043Sthompsa if (error != 0) { 3632278366Sadrian device_printf(sc->sc_dev, 3633278366Sadrian "could not disable beacon statistics, error %d\n", error); 3634177043Sthompsa return error; 3635177043Sthompsa } 3636173362Sbenjsc 3637278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3638177043Sthompsa 3639278366Sadrian return 0; 3640278366Sadrian} 3641177043Sthompsa 3642278366Sadrianstatic uint16_t 3643278366Sadrianwpi_get_active_dwell_time(struct wpi_softc *sc, 3644278366Sadrian struct ieee80211_channel *c, uint8_t n_probes) 3645278366Sadrian{ 3646278366Sadrian /* No channel? Default to 2GHz settings. */ 3647278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) { 3648278366Sadrian return (WPI_ACTIVE_DWELL_TIME_2GHZ + 3649278366Sadrian WPI_ACTIVE_DWELL_FACTOR_2GHZ * (n_probes + 1)); 3650278366Sadrian } 3651278366Sadrian 3652278366Sadrian /* 5GHz dwell time. */ 3653278366Sadrian return (WPI_ACTIVE_DWELL_TIME_5GHZ + 3654278366Sadrian WPI_ACTIVE_DWELL_FACTOR_5GHZ * (n_probes + 1)); 3655173362Sbenjsc} 3656173362Sbenjsc 3657173362Sbenjsc/* 3658278366Sadrian * Limit the total dwell time to 85% of the beacon interval. 3659278366Sadrian * 3660278366Sadrian * Returns the dwell time in milliseconds. 3661173362Sbenjsc */ 3662278366Sadrianstatic uint16_t 3663278366Sadrianwpi_limit_dwell(struct wpi_softc *sc, uint16_t dwell_time) 3664278366Sadrian{ 3665278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3666278366Sadrian struct ieee80211vap *vap = NULL; 3667278366Sadrian int bintval = 0; 3668278366Sadrian 3669278366Sadrian /* bintval is in TU (1.024mS) */ 3670278366Sadrian if (! TAILQ_EMPTY(&ic->ic_vaps)) { 3671278366Sadrian vap = TAILQ_FIRST(&ic->ic_vaps); 3672278366Sadrian bintval = vap->iv_bss->ni_intval; 3673278366Sadrian } 3674278366Sadrian 3675278366Sadrian /* 3676278366Sadrian * If it's non-zero, we should calculate the minimum of 3677278366Sadrian * it and the DWELL_BASE. 3678278366Sadrian * 3679278366Sadrian * XXX Yes, the math should take into account that bintval 3680278366Sadrian * is 1.024mS, not 1mS.. 3681278366Sadrian */ 3682278366Sadrian if (bintval > 0) { 3683278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "%s: bintval=%d\n", __func__, 3684278366Sadrian bintval); 3685278366Sadrian return (MIN(WPI_PASSIVE_DWELL_BASE, ((bintval * 85) / 100))); 3686278366Sadrian } 3687278366Sadrian 3688278366Sadrian /* No association context? Default. */ 3689278366Sadrian return (WPI_PASSIVE_DWELL_BASE); 3690278366Sadrian} 3691278366Sadrian 3692278366Sadrianstatic uint16_t 3693278366Sadrianwpi_get_passive_dwell_time(struct wpi_softc *sc, struct ieee80211_channel *c) 3694278366Sadrian{ 3695278366Sadrian uint16_t passive; 3696278366Sadrian 3697278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) 3698278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_2GHZ; 3699278366Sadrian else 3700278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_5GHZ; 3701278366Sadrian 3702278366Sadrian /* Clamp to the beacon interval if we're associated. */ 3703278366Sadrian return (wpi_limit_dwell(sc, passive)); 3704278366Sadrian} 3705278366Sadrian 3706278366Sadrian/* 3707278366Sadrian * Send a scan request to the firmware. 3708278366Sadrian */ 3709173362Sbenjscstatic int 3710278366Sadrianwpi_scan(struct wpi_softc *sc, struct ieee80211_channel *c) 3711173362Sbenjsc{ 3712178354Ssam struct ifnet *ifp = sc->sc_ifp; 3713178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3714177043Sthompsa struct ieee80211_scan_state *ss = ic->ic_scan; 3715279762Sadrian struct ieee80211vap *vap = ss->ss_vap; 3716173362Sbenjsc struct wpi_scan_hdr *hdr; 3717278366Sadrian struct wpi_cmd_data *tx; 3718278366Sadrian struct wpi_scan_essid *essids; 3719173362Sbenjsc struct wpi_scan_chan *chan; 3720173362Sbenjsc struct ieee80211_frame *wh; 3721173362Sbenjsc struct ieee80211_rateset *rs; 3722278366Sadrian uint16_t dwell_active, dwell_passive; 3723278366Sadrian uint8_t *buf, *frm; 3724278366Sadrian int buflen, error, i, nssid; 3725173362Sbenjsc 3726278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3727173362Sbenjsc 3728278366Sadrian /* 3729278366Sadrian * We are absolutely not allowed to send a scan command when another 3730278366Sadrian * scan command is pending. 3731278366Sadrian */ 3732278366Sadrian if (sc->sc_scan_timer) { 3733278366Sadrian device_printf(sc->sc_dev, "%s: called whilst scanning!\n", 3734278366Sadrian __func__); 3735280060Sadrian 3736280060Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3737280060Sadrian 3738278366Sadrian return (EAGAIN); 3739278366Sadrian } 3740278366Sadrian 3741278366Sadrian buf = malloc(WPI_SCAN_MAXSZ, M_DEVBUF, M_NOWAIT | M_ZERO); 3742278366Sadrian if (buf == NULL) { 3743173362Sbenjsc device_printf(sc->sc_dev, 3744278366Sadrian "%s: could not allocate buffer for scan command\n", 3745278366Sadrian __func__); 3746280060Sadrian error = ENOMEM; 3747280060Sadrian goto fail; 3748173362Sbenjsc } 3749278366Sadrian hdr = (struct wpi_scan_hdr *)buf; 3750173362Sbenjsc 3751173362Sbenjsc /* 3752278366Sadrian * Move to the next channel if no packets are received within 10 msecs 3753278366Sadrian * after sending the probe request. 3754173362Sbenjsc */ 3755278366Sadrian hdr->quiet_time = htole16(10); /* timeout in milliseconds */ 3756278366Sadrian hdr->quiet_threshold = htole16(1); /* min # of packets */ 3757278366Sadrian /* 3758278366Sadrian * Max needs to be greater than active and passive and quiet! 3759278366Sadrian * It's also in microseconds! 3760278366Sadrian */ 3761278366Sadrian hdr->max_svc = htole32(250 * IEEE80211_DUR_TU); 3762278366Sadrian hdr->pause_svc = htole32((4 << 24) | 3763278366Sadrian (100 * IEEE80211_DUR_TU)); /* Hardcode for now */ 3764278366Sadrian hdr->filter = htole32(WPI_FILTER_MULTICAST | WPI_FILTER_BEACON); 3765173362Sbenjsc 3766278366Sadrian tx = (struct wpi_cmd_data *)(hdr + 1); 3767278366Sadrian tx->flags = htole32(WPI_TX_AUTO_SEQ); 3768278366Sadrian tx->id = WPI_ID_BROADCAST; 3769278366Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 3770173362Sbenjsc 3771278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) { 3772278366Sadrian /* Send probe requests at 6Mbps. */ 3773278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_OFDM6]; 3774278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11A]; 3775173362Sbenjsc } else { 3776278366Sadrian hdr->flags = htole32(WPI_RXON_24GHZ | WPI_RXON_AUTO); 3777278366Sadrian /* Send probe requests at 1Mbps. */ 3778278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3779278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11G]; 3780173362Sbenjsc } 3781173362Sbenjsc 3782278366Sadrian essids = (struct wpi_scan_essid *)(tx + 1); 3783177043Sthompsa nssid = MIN(ss->ss_nssid, WPI_SCAN_MAX_ESSIDS); 3784178354Ssam for (i = 0; i < nssid; i++) { 3785278366Sadrian essids[i].id = IEEE80211_ELEMID_SSID; 3786278366Sadrian essids[i].len = MIN(ss->ss_ssid[i].len, IEEE80211_NWID_LEN); 3787278366Sadrian memcpy(essids[i].data, ss->ss_ssid[i].ssid, essids[i].len); 3788179957Sthompsa#ifdef WPI_DEBUG 3789278366Sadrian if (sc->sc_debug & WPI_DEBUG_SCAN) { 3790177043Sthompsa printf("Scanning Essid: "); 3791278366Sadrian ieee80211_print_essid(essids[i].data, essids[i].len); 3792177043Sthompsa printf("\n"); 3793177043Sthompsa } 3794179957Sthompsa#endif 3795173362Sbenjsc } 3796173362Sbenjsc 3797173362Sbenjsc /* 3798173362Sbenjsc * Build a probe request frame. Most of the following code is a 3799173362Sbenjsc * copy & paste of what is done in net80211. 3800173362Sbenjsc */ 3801278366Sadrian wh = (struct ieee80211_frame *)(essids + WPI_SCAN_MAX_ESSIDS); 3802173362Sbenjsc wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 3803173362Sbenjsc IEEE80211_FC0_SUBTYPE_PROBE_REQ; 3804173362Sbenjsc wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 3805173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr1, ifp->if_broadcastaddr); 3806279762Sadrian IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); 3807173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr3, ifp->if_broadcastaddr); 3808278366Sadrian *(uint16_t *)&wh->i_dur[0] = 0; /* filled by h/w */ 3809278366Sadrian *(uint16_t *)&wh->i_seq[0] = 0; /* filled by h/w */ 3810173362Sbenjsc 3811173362Sbenjsc frm = (uint8_t *)(wh + 1); 3812275966Sadrian frm = ieee80211_add_ssid(frm, NULL, 0); 3813275966Sadrian frm = ieee80211_add_rates(frm, rs); 3814278366Sadrian if (rs->rs_nrates > IEEE80211_RATE_SIZE) 3815278366Sadrian frm = ieee80211_add_xrates(frm, rs); 3816173362Sbenjsc 3817278366Sadrian /* Set length of probe request. */ 3818278366Sadrian tx->len = htole16(frm - (uint8_t *)wh); 3819173362Sbenjsc 3820173362Sbenjsc /* 3821173362Sbenjsc * Construct information about the channel that we 3822173362Sbenjsc * want to scan. The firmware expects this to be directly 3823173362Sbenjsc * after the scan probe request 3824173362Sbenjsc */ 3825173362Sbenjsc chan = (struct wpi_scan_chan *)frm; 3826278366Sadrian chan->chan = htole16(ieee80211_chan2ieee(ic, c)); 3827173362Sbenjsc chan->flags = 0; 3828278366Sadrian if (nssid) { 3829278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_DEFAULT; 3830278366Sadrian chan->flags |= WPI_CHAN_NPBREQS(nssid); 3831278366Sadrian } else 3832278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_NEVER; 3833278366Sadrian 3834278764Sadrian if (!IEEE80211_IS_CHAN_PASSIVE(c)) 3835173362Sbenjsc chan->flags |= WPI_CHAN_ACTIVE; 3836173362Sbenjsc 3837278366Sadrian /* 3838278366Sadrian * Calculate the active/passive dwell times. 3839278366Sadrian */ 3840173362Sbenjsc 3841278366Sadrian dwell_active = wpi_get_active_dwell_time(sc, c, nssid); 3842278366Sadrian dwell_passive = wpi_get_passive_dwell_time(sc, c); 3843278366Sadrian 3844278366Sadrian /* Make sure they're valid. */ 3845278366Sadrian if (dwell_passive <= dwell_active) 3846278366Sadrian dwell_passive = dwell_active + 1; 3847278366Sadrian 3848278366Sadrian chan->active = htole16(dwell_active); 3849278366Sadrian chan->passive = htole16(dwell_passive); 3850278366Sadrian 3851278366Sadrian chan->dsp_gain = 0x6e; /* Default level */ 3852278366Sadrian 3853278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) 3854278366Sadrian chan->rf_gain = 0x3b; 3855278366Sadrian else 3856278366Sadrian chan->rf_gain = 0x28; 3857278366Sadrian 3858278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "Scanning %u Passive: %d\n", 3859280059Sadrian chan->chan, IEEE80211_IS_CHAN_PASSIVE(c)); 3860278366Sadrian 3861173362Sbenjsc hdr->nchan++; 3862173362Sbenjsc chan++; 3863173362Sbenjsc 3864278366Sadrian buflen = (uint8_t *)chan - buf; 3865278366Sadrian hdr->len = htole16(buflen); 3866173362Sbenjsc 3867278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "sending scan command nchan=%d\n", 3868278366Sadrian hdr->nchan); 3869278366Sadrian error = wpi_cmd(sc, WPI_CMD_SCAN, buf, buflen, 1); 3870278366Sadrian free(buf, M_DEVBUF); 3871173362Sbenjsc 3872280060Sadrian if (error != 0) 3873280060Sadrian goto fail; 3874280060Sadrian 3875278366Sadrian sc->sc_scan_timer = 5; 3876173362Sbenjsc 3877278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3878173362Sbenjsc 3879280060Sadrian return 0; 3880280060Sadrian 3881280060Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3882280060Sadrian 3883278366Sadrian return error; 3884278366Sadrian} 3885173362Sbenjsc 3886278366Sadrianstatic int 3887278366Sadrianwpi_auth(struct wpi_softc *sc, struct ieee80211vap *vap) 3888278366Sadrian{ 3889278366Sadrian struct ieee80211com *ic = vap->iv_ic; 3890278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 3891278366Sadrian int error; 3892173362Sbenjsc 3893278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3894278366Sadrian 3895278366Sadrian /* Update adapter configuration. */ 3896278366Sadrian sc->rxon.associd = 0; 3897278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 3898278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 3899278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 3900278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3901278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 3902278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3903278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 3904278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 3905278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 3906278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 3907278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 3908278366Sadrian sc->rxon.cck_mask = 0; 3909278366Sadrian sc->rxon.ofdm_mask = 0x15; 3910278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 3911278366Sadrian sc->rxon.cck_mask = 0x03; 3912278366Sadrian sc->rxon.ofdm_mask = 0; 3913278366Sadrian } else { 3914278366Sadrian /* Assume 802.11b/g. */ 3915278366Sadrian sc->rxon.cck_mask = 0x0f; 3916278366Sadrian sc->rxon.ofdm_mask = 0x15; 3917173362Sbenjsc } 3918173362Sbenjsc 3919278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x cck %x ofdm %x\n", 3920278366Sadrian sc->rxon.chan, sc->rxon.flags, sc->rxon.cck_mask, 3921278366Sadrian sc->rxon.ofdm_mask); 3922173362Sbenjsc 3923278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 3924278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3925278366Sadrian __func__); 3926278366Sadrian } 3927173362Sbenjsc 3928278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3929173362Sbenjsc 3930278366Sadrian return error; 3931173362Sbenjsc} 3932173362Sbenjsc 3933173362Sbenjscstatic int 3934278366Sadrianwpi_setup_beacon(struct wpi_softc *sc, struct ieee80211_node *ni) 3935173362Sbenjsc{ 3936178354Ssam struct ifnet *ifp = sc->sc_ifp; 3937178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3938278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 3939278366Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 3940278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 3941278366Sadrian struct ieee80211_beacon_offsets bo; 3942278366Sadrian struct wpi_cmd_beacon *cmd; 3943278366Sadrian struct mbuf *m; 3944278366Sadrian int totlen; 3945173362Sbenjsc 3946278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3947278366Sadrian 3948278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) 3949278366Sadrian return EINVAL; 3950278366Sadrian 3951278366Sadrian m = ieee80211_beacon_alloc(ni, &bo); 3952278366Sadrian if (m == NULL) { 3953278366Sadrian device_printf(sc->sc_dev, 3954278366Sadrian "%s: could not allocate beacon frame\n", __func__); 3955278366Sadrian return ENOMEM; 3956173362Sbenjsc } 3957278366Sadrian totlen = m->m_pkthdr.len; 3958173362Sbenjsc 3959278366Sadrian if (bcn->data == NULL) { 3960278366Sadrian cmd = malloc(sizeof(struct wpi_cmd_beacon), M_DEVBUF, 3961278366Sadrian M_NOWAIT | M_ZERO); 3962278366Sadrian 3963278366Sadrian if (cmd == NULL) { 3964278366Sadrian device_printf(sc->sc_dev, 3965278366Sadrian "could not allocate buffer for beacon command\n"); 3966278366Sadrian m_freem(m); 3967278366Sadrian return ENOMEM; 3968278366Sadrian } 3969278366Sadrian 3970278366Sadrian cmd->id = WPI_ID_BROADCAST; 3971278366Sadrian cmd->ofdm_mask = 0xff; 3972278366Sadrian cmd->cck_mask = 0x0f; 3973278366Sadrian cmd->lifetime = htole32(WPI_LIFETIME_INFINITE); 3974278366Sadrian cmd->flags = htole32(WPI_TX_AUTO_SEQ | WPI_TX_INSERT_TSTAMP); 3975278366Sadrian 3976278366Sadrian bcn->data = cmd; 3977278366Sadrian bcn->ni = NULL; 3978278366Sadrian bcn->code = WPI_CMD_SET_BEACON; 3979278366Sadrian bcn->ac = 4; 3980278366Sadrian bcn->size = sizeof(struct wpi_cmd_beacon); 3981278366Sadrian } else 3982278366Sadrian cmd = bcn->data; 3983278366Sadrian 3984278366Sadrian cmd->len = htole16(totlen); 3985278366Sadrian cmd->plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3986278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3987278366Sadrian 3988278366Sadrian /* NB: m will be freed in wpi_cmd_done() */ 3989278366Sadrian bcn->m = m; 3990278366Sadrian 3991278366Sadrian return wpi_cmd2(sc, bcn); 3992278366Sadrian} 3993278366Sadrian 3994278366Sadrianstatic void 3995278366Sadrianwpi_update_beacon(struct ieee80211vap *vap, int item) 3996278366Sadrian{ 3997280057Sadrian struct wpi_softc *sc = vap->iv_ic->ic_ifp->if_softc; 3998278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 3999278366Sadrian int error; 4000278366Sadrian 4001278764Sadrian WPI_LOCK(sc); 4002278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 4003173362Sbenjsc device_printf(sc->sc_dev, 4004278366Sadrian "%s: could not update beacon frame, error %d", __func__, 4005278366Sadrian error); 4006173362Sbenjsc } 4007278764Sadrian WPI_UNLOCK(sc); 4008278366Sadrian} 4009173362Sbenjsc 4010280079Sadrianstatic void 4011280079Sadrianwpi_newassoc(struct ieee80211_node *ni, int isnew) 4012280079Sadrian{ 4013280079Sadrian struct ieee80211vap *vap = ni->ni_vap; 4014280079Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4015280079Sadrian struct wpi_node *wn = WPI_NODE(ni); 4016280079Sadrian int error; 4017280079Sadrian 4018280079Sadrian WPI_NT_LOCK(sc); 4019280079Sadrian 4020280079Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4021280079Sadrian 4022280079Sadrian if (vap->iv_opmode != IEEE80211_M_STA && wn->id == WPI_ID_UNDEFINED) { 4023280079Sadrian if ((error = wpi_add_ibss_node(sc, ni)) != 0) { 4024280079Sadrian device_printf(sc->sc_dev, 4025280079Sadrian "%s: could not add IBSS node, error %d\n", 4026280079Sadrian __func__, error); 4027280079Sadrian } 4028280079Sadrian } 4029280079Sadrian WPI_NT_UNLOCK(sc); 4030280079Sadrian} 4031280079Sadrian 4032278366Sadrianstatic int 4033278366Sadrianwpi_run(struct wpi_softc *sc, struct ieee80211vap *vap) 4034278366Sadrian{ 4035278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4036278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4037278366Sadrian int error; 4038278366Sadrian 4039278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4040278366Sadrian 4041278366Sadrian if (vap->iv_opmode == IEEE80211_M_MONITOR) { 4042278366Sadrian /* Link LED blinks while monitoring. */ 4043278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 5, 5); 4044278366Sadrian return 0; 4045173362Sbenjsc } 4046278366Sadrian 4047278366Sadrian /* XXX kernel panic workaround */ 4048278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) { 4049278366Sadrian device_printf(sc->sc_dev, "%s: incomplete configuration\n", 4050278366Sadrian __func__); 4051195562Srpaulo return EINVAL; 4052173362Sbenjsc } 4053278366Sadrian 4054278366Sadrian if ((error = wpi_set_timing(sc, ni)) != 0) { 4055278366Sadrian device_printf(sc->sc_dev, 4056278366Sadrian "%s: could not set timing, error %d\n", __func__, error); 4057173362Sbenjsc return error; 4058173362Sbenjsc } 4059173362Sbenjsc 4060278366Sadrian /* Update adapter configuration. */ 4061278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4062278366Sadrian sc->rxon.associd = htole16(IEEE80211_NODE_AID(ni)); 4063278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 4064278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4065278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 4066278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4067278366Sadrian /* Short preamble and slot time are negotiated when associating. */ 4068278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_SHPREAMBLE | WPI_RXON_SHSLOT); 4069278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4070278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4071278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4072278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4073278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 4074278366Sadrian sc->rxon.cck_mask = 0; 4075278366Sadrian sc->rxon.ofdm_mask = 0x15; 4076278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 4077278366Sadrian sc->rxon.cck_mask = 0x03; 4078278366Sadrian sc->rxon.ofdm_mask = 0; 4079278366Sadrian } else { 4080278366Sadrian /* Assume 802.11b/g. */ 4081278366Sadrian sc->rxon.cck_mask = 0x0f; 4082278366Sadrian sc->rxon.ofdm_mask = 0x15; 4083173362Sbenjsc } 4084278366Sadrian sc->rxon.filter |= htole32(WPI_FILTER_BSS); 4085173362Sbenjsc 4086278366Sadrian /* XXX put somewhere HC_QOS_SUPPORT_ASSOC + HC_IBSS_START */ 4087278366Sadrian 4088278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x\n", 4089278366Sadrian sc->rxon.chan, sc->rxon.flags); 4090278366Sadrian 4091278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4092278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4093278366Sadrian __func__); 4094173362Sbenjsc return error; 4095173362Sbenjsc } 4096173362Sbenjsc 4097278366Sadrian if (vap->iv_opmode == IEEE80211_M_IBSS) { 4098278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 4099278366Sadrian device_printf(sc->sc_dev, 4100278366Sadrian "%s: could not setup beacon, error %d\n", __func__, 4101278366Sadrian error); 4102278366Sadrian return error; 4103278366Sadrian } 4104173362Sbenjsc } 4105173362Sbenjsc 4106278366Sadrian if (vap->iv_opmode == IEEE80211_M_STA) { 4107278366Sadrian /* Add BSS node. */ 4108280077Sadrian WPI_NT_LOCK(sc); 4109280070Sadrian error = wpi_add_sta_node(sc, ni); 4110280077Sadrian WPI_NT_UNLOCK(sc); 4111280070Sadrian if (error != 0) { 4112278366Sadrian device_printf(sc->sc_dev, 4113278366Sadrian "%s: could not add BSS node, error %d\n", __func__, 4114278366Sadrian error); 4115278366Sadrian return error; 4116278366Sadrian } 4117278366Sadrian } 4118173362Sbenjsc 4119278366Sadrian /* Link LED always on while associated. */ 4120278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 4121173362Sbenjsc 4122278366Sadrian /* Start periodic calibration timer. */ 4123278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 4124173362Sbenjsc 4125278366Sadrian /* Enable power-saving mode if requested by user. */ 4126278366Sadrian if (vap->iv_flags & IEEE80211_F_PMGTON) 4127278366Sadrian (void)wpi_set_pslevel(sc, 0, 3, 1); 4128278764Sadrian else 4129278764Sadrian (void)wpi_set_pslevel(sc, 0, 0, 1); 4130173362Sbenjsc 4131278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4132173362Sbenjsc 4133278366Sadrian return 0; 4134173362Sbenjsc} 4135173362Sbenjsc 4136173362Sbenjscstatic int 4137278366Sadrianwpi_key_alloc(struct ieee80211vap *vap, struct ieee80211_key *k, 4138278366Sadrian ieee80211_keyix *keyix, ieee80211_keyix *rxkeyix) 4139173362Sbenjsc{ 4140280057Sadrian struct wpi_softc *sc = vap->iv_ic->ic_ifp->if_softc; 4141173362Sbenjsc 4142278366Sadrian if (!(&vap->iv_nw_keys[0] <= k && 4143278366Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID])) { 4144278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) { 4145278366Sadrian /* should not happen */ 4146278366Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: bogus group key\n", 4147278366Sadrian __func__); 4148278366Sadrian return 0; 4149278366Sadrian } 4150278366Sadrian *keyix = 0; /* NB: use key index 0 for ucast key */ 4151278366Sadrian } else { 4152278366Sadrian *keyix = *rxkeyix = k - vap->iv_nw_keys; 4153173362Sbenjsc 4154278366Sadrian if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_AES_CCM) 4155278366Sadrian k->wk_flags |= IEEE80211_KEY_SWCRYPT; 4156173362Sbenjsc } 4157278366Sadrian return 1; 4158173362Sbenjsc} 4159173362Sbenjsc 4160173362Sbenjscstatic int 4161278366Sadrianwpi_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k, 4162278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 4163173362Sbenjsc{ 4164278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4165278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4166278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4167278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4168280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4169278366Sadrian struct wpi_node_info node; 4170278366Sadrian uint16_t kflags; 4171278366Sadrian int error; 4172173362Sbenjsc 4173278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4174173362Sbenjsc 4175278366Sadrian switch (cip->ic_cipher) { 4176278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4177278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4178278366Sadrian return 1; 4179173362Sbenjsc 4180278366Sadrian kflags = WPI_KFLAG_CCMP; 4181278366Sadrian break; 4182278366Sadrian default: 4183278366Sadrian /* null_key_set() */ 4184278366Sadrian return 1; 4185278366Sadrian } 4186173362Sbenjsc 4187278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 4188278366Sadrian return 0; 4189173362Sbenjsc 4190278366Sadrian kflags |= WPI_KFLAG_KID(k->wk_keyix); 4191278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4192278366Sadrian kflags |= WPI_KFLAG_MULTICAST; 4193173362Sbenjsc 4194278366Sadrian memset(&node, 0, sizeof node); 4195278366Sadrian node.id = wn->id; 4196278366Sadrian node.control = WPI_NODE_UPDATE; 4197278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4198278366Sadrian node.kflags = htole16(kflags); 4199278366Sadrian memcpy(node.key, k->wk_key, k->wk_keylen); 4200173362Sbenjsc 4201278366Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "set key id=%d for node %d\n", k->wk_keyix, 4202278366Sadrian node.id); 4203173362Sbenjsc 4204278366Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4205278366Sadrian if (error != 0) { 4206278366Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4207278366Sadrian error); 4208278366Sadrian return 0; 4209173362Sbenjsc } 4210173362Sbenjsc 4211278366Sadrian return 1; 4212173362Sbenjsc} 4213173362Sbenjsc 4214278366Sadrianstatic int 4215278366Sadrianwpi_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 4216173362Sbenjsc{ 4217278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4218278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4219278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4220278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4221280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4222278366Sadrian struct wpi_node_info node; 4223173362Sbenjsc 4224278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4225173362Sbenjsc 4226278366Sadrian switch (cip->ic_cipher) { 4227278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4228278366Sadrian break; 4229278366Sadrian default: 4230278366Sadrian /* null_key_delete() */ 4231278366Sadrian return 1; 4232278366Sadrian } 4233173362Sbenjsc 4234278366Sadrian if (vap->iv_state != IEEE80211_S_RUN || 4235278366Sadrian (k->wk_flags & IEEE80211_KEY_GROUP)) 4236278366Sadrian return 1; /* Nothing to do. */ 4237173362Sbenjsc 4238278366Sadrian memset(&node, 0, sizeof node); 4239278366Sadrian node.id = wn->id; 4240278366Sadrian node.control = WPI_NODE_UPDATE; 4241278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4242173362Sbenjsc 4243278366Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "delete keys for node %d\n", node.id); 4244278366Sadrian (void)wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4245173362Sbenjsc 4246278366Sadrian return 1; 4247173362Sbenjsc} 4248173362Sbenjsc 4249278366Sadrian/* 4250278366Sadrian * This function is called after the runtime firmware notifies us of its 4251278366Sadrian * readiness (called in a process context). 4252278366Sadrian */ 4253278366Sadrianstatic int 4254278366Sadrianwpi_post_alive(struct wpi_softc *sc) 4255177043Sthompsa{ 4256278366Sadrian int ntries, error; 4257177043Sthompsa 4258278366Sadrian /* Check (again) that the radio is not disabled. */ 4259278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4260278366Sadrian return error; 4261177043Sthompsa 4262278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4263278366Sadrian 4264278366Sadrian /* NB: Runtime firmware must be up and running. */ 4265278366Sadrian if (!(wpi_prph_read(sc, WPI_APMG_RFKILL) & 1)) { 4266278366Sadrian device_printf(sc->sc_dev, 4267278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4268278366Sadrian wpi_nic_unlock(sc); 4269278366Sadrian return EPERM; /* :-) */ 4270278366Sadrian } 4271278366Sadrian wpi_nic_unlock(sc); 4272278366Sadrian 4273278366Sadrian /* Wait for thermal sensor to calibrate. */ 4274177043Sthompsa for (ntries = 0; ntries < 1000; ntries++) { 4275278366Sadrian if ((sc->temp = (int)WPI_READ(sc, WPI_UCODE_GP2)) != 0) 4276177043Sthompsa break; 4277177043Sthompsa DELAY(10); 4278177043Sthompsa } 4279177043Sthompsa 4280177043Sthompsa if (ntries == 1000) { 4281177043Sthompsa device_printf(sc->sc_dev, 4282278366Sadrian "timeout waiting for thermal sensor calibration\n"); 4283280059Sadrian return ETIMEDOUT; 4284280059Sadrian } 4285177043Sthompsa 4286280059Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d\n", sc->temp); 4287280059Sadrian return 0; 4288278366Sadrian} 4289177043Sthompsa 4290278366Sadrian/* 4291278366Sadrian * The firmware boot code is small and is intended to be copied directly into 4292278366Sadrian * the NIC internal memory (no DMA transfer). 4293278366Sadrian */ 4294278366Sadrianstatic int 4295278366Sadrianwpi_load_bootcode(struct wpi_softc *sc, const uint8_t *ucode, int size) 4296278366Sadrian{ 4297278366Sadrian int error, ntries; 4298177043Sthompsa 4299278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, "Loading microcode size 0x%x\n", size); 4300278366Sadrian 4301278366Sadrian size /= sizeof (uint32_t); 4302278366Sadrian 4303278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4304278366Sadrian return error; 4305278366Sadrian 4306278366Sadrian /* Copy microcode image into NIC memory. */ 4307278366Sadrian wpi_prph_write_region_4(sc, WPI_BSM_SRAM_BASE, 4308278366Sadrian (const uint32_t *)ucode, size); 4309278366Sadrian 4310278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_SRC, 0); 4311278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_DST, WPI_FW_TEXT_BASE); 4312278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_DWCOUNT, size); 4313278366Sadrian 4314278366Sadrian /* Start boot load now. */ 4315278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START); 4316278366Sadrian 4317278366Sadrian /* Wait for transfer to complete. */ 4318278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 4319278366Sadrian uint32_t status = WPI_READ(sc, WPI_FH_TX_STATUS); 4320278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4321278366Sadrian "firmware status=0x%x, val=0x%x, result=0x%x\n", status, 4322278366Sadrian WPI_FH_TX_STATUS_IDLE(6), 4323278366Sadrian status & WPI_FH_TX_STATUS_IDLE(6)); 4324278366Sadrian if (status & WPI_FH_TX_STATUS_IDLE(6)) { 4325278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4326278366Sadrian "Status Match! - ntries = %d\n", ntries); 4327278366Sadrian break; 4328178354Ssam } 4329278366Sadrian DELAY(10); 4330177043Sthompsa } 4331278366Sadrian if (ntries == 1000) { 4332278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4333278366Sadrian __func__); 4334278366Sadrian wpi_nic_unlock(sc); 4335278366Sadrian return ETIMEDOUT; 4336278366Sadrian } 4337177043Sthompsa 4338278366Sadrian /* Enable boot after power up. */ 4339278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START_EN); 4340278366Sadrian 4341278366Sadrian wpi_nic_unlock(sc); 4342278366Sadrian return 0; 4343177043Sthompsa} 4344177043Sthompsa 4345278366Sadrianstatic int 4346278366Sadrianwpi_load_firmware(struct wpi_softc *sc) 4347177043Sthompsa{ 4348278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4349278366Sadrian struct wpi_dma_info *dma = &sc->fw_dma; 4350278366Sadrian int error; 4351173362Sbenjsc 4352278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4353173362Sbenjsc 4354278366Sadrian /* Copy initialization sections into pre-allocated DMA-safe memory. */ 4355278366Sadrian memcpy(dma->vaddr, fw->init.data, fw->init.datasz); 4356278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4357278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->init.text, fw->init.textsz); 4358278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4359173362Sbenjsc 4360278366Sadrian /* Tell adapter where to find initialization sections. */ 4361278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4362278366Sadrian return error; 4363278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4364278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->init.datasz); 4365278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4366278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4367278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, fw->init.textsz); 4368278366Sadrian wpi_nic_unlock(sc); 4369173362Sbenjsc 4370278366Sadrian /* Load firmware boot code. */ 4371278366Sadrian error = wpi_load_bootcode(sc, fw->boot.text, fw->boot.textsz); 4372278366Sadrian if (error != 0) { 4373278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4374278366Sadrian __func__); 4375278366Sadrian return error; 4376278366Sadrian } 4377173362Sbenjsc 4378278366Sadrian /* Now press "execute". */ 4379278366Sadrian WPI_WRITE(sc, WPI_RESET, 0); 4380173362Sbenjsc 4381278366Sadrian /* Wait at most one second for first alive notification. */ 4382280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4383278366Sadrian device_printf(sc->sc_dev, 4384278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4385278366Sadrian __func__, error); 4386278366Sadrian return error; 4387173362Sbenjsc } 4388173362Sbenjsc 4389278366Sadrian /* Copy runtime sections into pre-allocated DMA-safe memory. */ 4390278366Sadrian memcpy(dma->vaddr, fw->main.data, fw->main.datasz); 4391278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4392278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->main.text, fw->main.textsz); 4393278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4394173362Sbenjsc 4395278366Sadrian /* Tell adapter where to find runtime sections. */ 4396278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4397278366Sadrian return error; 4398278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4399278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->main.datasz); 4400278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4401278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4402278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, 4403278366Sadrian WPI_FW_UPDATED | fw->main.textsz); 4404278366Sadrian wpi_nic_unlock(sc); 4405173362Sbenjsc 4406278366Sadrian return 0; 4407278366Sadrian} 4408173362Sbenjsc 4409278366Sadrianstatic int 4410278366Sadrianwpi_read_firmware(struct wpi_softc *sc) 4411278366Sadrian{ 4412278366Sadrian const struct firmware *fp; 4413278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4414278366Sadrian const struct wpi_firmware_hdr *hdr; 4415278366Sadrian int error; 4416173362Sbenjsc 4417278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4418278366Sadrian 4419278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4420278366Sadrian "Attempting Loading Firmware from %s module\n", WPI_FW_NAME); 4421278366Sadrian 4422278366Sadrian WPI_UNLOCK(sc); 4423278366Sadrian fp = firmware_get(WPI_FW_NAME); 4424278366Sadrian WPI_LOCK(sc); 4425278366Sadrian 4426278366Sadrian if (fp == NULL) { 4427278366Sadrian device_printf(sc->sc_dev, 4428278366Sadrian "could not load firmware image '%s'\n", WPI_FW_NAME); 4429278366Sadrian return EINVAL; 4430173362Sbenjsc } 4431173362Sbenjsc 4432278366Sadrian sc->fw_fp = fp; 4433173362Sbenjsc 4434278366Sadrian if (fp->datasize < sizeof (struct wpi_firmware_hdr)) { 4435278366Sadrian device_printf(sc->sc_dev, 4436278366Sadrian "firmware file too short: %zu bytes\n", fp->datasize); 4437278366Sadrian error = EINVAL; 4438278366Sadrian goto fail; 4439173362Sbenjsc } 4440173362Sbenjsc 4441278366Sadrian fw->size = fp->datasize; 4442278366Sadrian fw->data = (const uint8_t *)fp->data; 4443278366Sadrian 4444278366Sadrian /* Extract firmware header information. */ 4445278366Sadrian hdr = (const struct wpi_firmware_hdr *)fw->data; 4446278366Sadrian 4447278366Sadrian /* | RUNTIME FIRMWARE | INIT FIRMWARE | BOOT FW | 4448278366Sadrian |HDR|<--TEXT-->|<--DATA-->|<--TEXT-->|<--DATA-->|<--TEXT-->| */ 4449278366Sadrian 4450278366Sadrian fw->main.textsz = le32toh(hdr->rtextsz); 4451278366Sadrian fw->main.datasz = le32toh(hdr->rdatasz); 4452278366Sadrian fw->init.textsz = le32toh(hdr->itextsz); 4453278366Sadrian fw->init.datasz = le32toh(hdr->idatasz); 4454278366Sadrian fw->boot.textsz = le32toh(hdr->btextsz); 4455278366Sadrian fw->boot.datasz = 0; 4456278366Sadrian 4457278366Sadrian /* Sanity-check firmware header. */ 4458278366Sadrian if (fw->main.textsz > WPI_FW_TEXT_MAXSZ || 4459278366Sadrian fw->main.datasz > WPI_FW_DATA_MAXSZ || 4460278366Sadrian fw->init.textsz > WPI_FW_TEXT_MAXSZ || 4461278366Sadrian fw->init.datasz > WPI_FW_DATA_MAXSZ || 4462278366Sadrian fw->boot.textsz > WPI_FW_BOOT_TEXT_MAXSZ || 4463278366Sadrian (fw->boot.textsz & 3) != 0) { 4464278366Sadrian device_printf(sc->sc_dev, "invalid firmware header\n"); 4465278366Sadrian error = EINVAL; 4466278366Sadrian goto fail; 4467173362Sbenjsc } 4468173362Sbenjsc 4469278366Sadrian /* Check that all firmware sections fit. */ 4470278366Sadrian if (fw->size < sizeof (*hdr) + fw->main.textsz + fw->main.datasz + 4471278366Sadrian fw->init.textsz + fw->init.datasz + fw->boot.textsz) { 4472173362Sbenjsc device_printf(sc->sc_dev, 4473278366Sadrian "firmware file too short: %zu bytes\n", fw->size); 4474278366Sadrian error = EINVAL; 4475278366Sadrian goto fail; 4476173362Sbenjsc } 4477173362Sbenjsc 4478278366Sadrian /* Get pointers to firmware sections. */ 4479278366Sadrian fw->main.text = (const uint8_t *)(hdr + 1); 4480278366Sadrian fw->main.data = fw->main.text + fw->main.textsz; 4481278366Sadrian fw->init.text = fw->main.data + fw->main.datasz; 4482278366Sadrian fw->init.data = fw->init.text + fw->init.textsz; 4483278366Sadrian fw->boot.text = fw->init.data + fw->init.datasz; 4484177043Sthompsa 4485278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4486278366Sadrian "Firmware Version: Major %d, Minor %d, Driver %d, \n" 4487280066Sadrian "runtime (text: %u, data: %u) init (text: %u, data %u) " 4488280066Sadrian "boot (text %u)\n", hdr->major, hdr->minor, le32toh(hdr->driver), 4489278366Sadrian fw->main.textsz, fw->main.datasz, 4490278366Sadrian fw->init.textsz, fw->init.datasz, fw->boot.textsz); 4491278366Sadrian 4492278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.text %p\n", fw->main.text); 4493278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.data %p\n", fw->main.data); 4494278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.text %p\n", fw->init.text); 4495278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.data %p\n", fw->init.data); 4496278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->boot.text %p\n", fw->boot.text); 4497278366Sadrian 4498278366Sadrian return 0; 4499278366Sadrian 4500278366Sadrianfail: wpi_unload_firmware(sc); 4501278366Sadrian return error; 4502173362Sbenjsc} 4503173362Sbenjsc 4504278366Sadrian/** 4505278366Sadrian * Free the referenced firmware image 4506278366Sadrian */ 4507173362Sbenjscstatic void 4508278366Sadrianwpi_unload_firmware(struct wpi_softc *sc) 4509173362Sbenjsc{ 4510278366Sadrian if (sc->fw_fp != NULL) { 4511278366Sadrian firmware_put(sc->fw_fp, FIRMWARE_UNLOAD); 4512278366Sadrian sc->fw_fp = NULL; 4513278366Sadrian } 4514278366Sadrian} 4515173362Sbenjsc 4516278366Sadrianstatic int 4517278366Sadrianwpi_clock_wait(struct wpi_softc *sc) 4518278366Sadrian{ 4519278366Sadrian int ntries; 4520173362Sbenjsc 4521278366Sadrian /* Set "initialization complete" bit. */ 4522278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4523278366Sadrian 4524278366Sadrian /* Wait for clock stabilization. */ 4525278366Sadrian for (ntries = 0; ntries < 2500; ntries++) { 4526278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_MAC_CLOCK_READY) 4527278366Sadrian return 0; 4528278366Sadrian DELAY(100); 4529278366Sadrian } 4530278366Sadrian device_printf(sc->sc_dev, 4531278366Sadrian "%s: timeout waiting for clock stabilization\n", __func__); 4532278366Sadrian 4533278366Sadrian return ETIMEDOUT; 4534173362Sbenjsc} 4535178354Ssam 4536278366Sadrianstatic int 4537278366Sadrianwpi_apm_init(struct wpi_softc *sc) 4538173362Sbenjsc{ 4539278366Sadrian uint32_t reg; 4540278366Sadrian int error; 4541173362Sbenjsc 4542278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4543173362Sbenjsc 4544278366Sadrian /* Disable L0s exit timer (NMI bug workaround). */ 4545278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_DIS_L0S_TIMER); 4546278366Sadrian /* Don't wait for ICH L0s (ICH bug workaround). */ 4547278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_L1A_NO_L0S_RX); 4548173362Sbenjsc 4549278366Sadrian /* Set FH wait threshold to max (HW bug under stress workaround). */ 4550278366Sadrian WPI_SETBITS(sc, WPI_DBG_HPET_MEM, 0xffff0000); 4551173362Sbenjsc 4552278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 4553278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 4554278366Sadrian /* Workaround for HW instability in PCIe L0->L0s->L1 transition. */ 4555278366Sadrian if (reg & 0x02) /* L1 Entry enabled. */ 4556278366Sadrian WPI_SETBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4557278366Sadrian else 4558278366Sadrian WPI_CLRBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4559173362Sbenjsc 4560278366Sadrian WPI_SETBITS(sc, WPI_ANA_PLL, WPI_ANA_PLL_INIT); 4561173362Sbenjsc 4562278366Sadrian /* Wait for clock stabilization before accessing prph. */ 4563278366Sadrian if ((error = wpi_clock_wait(sc)) != 0) 4564278366Sadrian return error; 4565173362Sbenjsc 4566278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4567278366Sadrian return error; 4568278366Sadrian /* Enable DMA and BSM (Bootstrap State Machine). */ 4569278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_EN, 4570278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT | WPI_APMG_CLK_CTRL_BSM_CLK_RQT); 4571278366Sadrian DELAY(20); 4572278366Sadrian /* Disable L1-Active. */ 4573278366Sadrian wpi_prph_setbits(sc, WPI_APMG_PCI_STT, WPI_APMG_PCI_STT_L1A_DIS); 4574278764Sadrian /* ??? */ 4575278764Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, 0x00000E00); 4576278366Sadrian wpi_nic_unlock(sc); 4577173362Sbenjsc 4578278366Sadrian return 0; 4579278366Sadrian} 4580173362Sbenjsc 4581278366Sadrianstatic void 4582278366Sadrianwpi_apm_stop_master(struct wpi_softc *sc) 4583278366Sadrian{ 4584278366Sadrian int ntries; 4585278366Sadrian 4586278366Sadrian /* Stop busmaster DMA activity. */ 4587278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_STOP_MASTER); 4588278366Sadrian 4589278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_PS_MASK) == 4590278366Sadrian WPI_GP_CNTRL_MAC_PS) 4591278366Sadrian return; /* Already asleep. */ 4592278366Sadrian 4593278366Sadrian for (ntries = 0; ntries < 100; ntries++) { 4594278366Sadrian if (WPI_READ(sc, WPI_RESET) & WPI_RESET_MASTER_DISABLED) 4595278366Sadrian return; 4596278366Sadrian DELAY(10); 4597278366Sadrian } 4598280066Sadrian device_printf(sc->sc_dev, "%s: timeout waiting for master\n", 4599280066Sadrian __func__); 4600173362Sbenjsc} 4601173362Sbenjsc 4602173362Sbenjscstatic void 4603278366Sadrianwpi_apm_stop(struct wpi_softc *sc) 4604173362Sbenjsc{ 4605278366Sadrian wpi_apm_stop_master(sc); 4606278366Sadrian 4607278366Sadrian /* Reset the entire device. */ 4608278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_SW); 4609278366Sadrian DELAY(10); 4610278366Sadrian /* Clear "initialization complete" bit. */ 4611278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4612173362Sbenjsc} 4613173362Sbenjsc 4614173362Sbenjscstatic void 4615278366Sadrianwpi_nic_config(struct wpi_softc *sc) 4616173362Sbenjsc{ 4617278366Sadrian uint32_t rev; 4618173362Sbenjsc 4619278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4620177043Sthompsa 4621278366Sadrian /* voodoo from the Linux "driver".. */ 4622278366Sadrian rev = pci_read_config(sc->sc_dev, PCIR_REVID, 1); 4623278366Sadrian if ((rev & 0xc0) == 0x40) 4624278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MB); 4625278366Sadrian else if (!(rev & 0x80)) 4626278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MM); 4627173362Sbenjsc 4628278366Sadrian if (sc->cap == 0x80) 4629278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_SKU_MRC); 4630173362Sbenjsc 4631280076Sadrian if ((sc->rev & 0xf0) == 0xd0) 4632278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4633278366Sadrian else 4634278366Sadrian WPI_CLRBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4635278366Sadrian 4636278366Sadrian if (sc->type > 1) 4637278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_TYPE_B); 4638173362Sbenjsc} 4639173362Sbenjsc 4640278366Sadrianstatic int 4641278366Sadrianwpi_hw_init(struct wpi_softc *sc) 4642173362Sbenjsc{ 4643278366Sadrian int chnl, ntries, error; 4644178354Ssam 4645278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4646278366Sadrian 4647278366Sadrian /* Clear pending interrupts. */ 4648278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4649278366Sadrian 4650278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 4651278366Sadrian device_printf(sc->sc_dev, 4652278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 4653278366Sadrian error); 4654278366Sadrian return error; 4655173362Sbenjsc } 4656173362Sbenjsc 4657278366Sadrian /* Select VMAIN power source. */ 4658278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4659278366Sadrian return error; 4660278366Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, WPI_APMG_PS_PWR_SRC_MASK); 4661278366Sadrian wpi_nic_unlock(sc); 4662278366Sadrian /* Spin until VMAIN gets selected. */ 4663278366Sadrian for (ntries = 0; ntries < 5000; ntries++) { 4664278366Sadrian if (WPI_READ(sc, WPI_GPIO_IN) & WPI_GPIO_IN_VMAIN) 4665278366Sadrian break; 4666278366Sadrian DELAY(10); 4667278366Sadrian } 4668278366Sadrian if (ntries == 5000) { 4669278366Sadrian device_printf(sc->sc_dev, "timeout selecting power source\n"); 4670278366Sadrian return ETIMEDOUT; 4671278366Sadrian } 4672173362Sbenjsc 4673278366Sadrian /* Perform adapter initialization. */ 4674278366Sadrian wpi_nic_config(sc); 4675173362Sbenjsc 4676278366Sadrian /* Initialize RX ring. */ 4677278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4678278366Sadrian return error; 4679278366Sadrian /* Set physical address of RX ring. */ 4680278366Sadrian WPI_WRITE(sc, WPI_FH_RX_BASE, sc->rxq.desc_dma.paddr); 4681278366Sadrian /* Set physical address of RX read pointer. */ 4682278366Sadrian WPI_WRITE(sc, WPI_FH_RX_RPTR_ADDR, sc->shared_dma.paddr + 4683278366Sadrian offsetof(struct wpi_shared, next)); 4684278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, 0); 4685278366Sadrian /* Enable RX. */ 4686278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 4687278366Sadrian WPI_FH_RX_CONFIG_DMA_ENA | 4688278366Sadrian WPI_FH_RX_CONFIG_RDRBD_ENA | 4689278366Sadrian WPI_FH_RX_CONFIG_WRSTATUS_ENA | 4690278366Sadrian WPI_FH_RX_CONFIG_MAXFRAG | 4691278366Sadrian WPI_FH_RX_CONFIG_NRBD(WPI_RX_RING_COUNT_LOG) | 4692278366Sadrian WPI_FH_RX_CONFIG_IRQ_DST_HOST | 4693278366Sadrian WPI_FH_RX_CONFIG_IRQ_TIMEOUT(1)); 4694278366Sadrian (void)WPI_READ(sc, WPI_FH_RSSR_TBL); /* barrier */ 4695278366Sadrian wpi_nic_unlock(sc); 4696278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, (WPI_RX_RING_COUNT - 1) & ~7); 4697173362Sbenjsc 4698278366Sadrian /* Initialize TX rings. */ 4699278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4700278366Sadrian return error; 4701278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 2); /* bypass mode */ 4702278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_ARASTAT, 1); /* enable RA0 */ 4703278366Sadrian /* Enable all 6 TX rings. */ 4704278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0x3f); 4705278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE1, 0x10000); 4706278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE2, 0x30002); 4707278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF4MF, 4); 4708278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF5MF, 5); 4709278366Sadrian /* Set physical address of TX rings. */ 4710278366Sadrian WPI_WRITE(sc, WPI_FH_TX_BASE, sc->shared_dma.paddr); 4711278366Sadrian WPI_WRITE(sc, WPI_FH_MSG_CONFIG, 0xffff05a5); 4712278366Sadrian 4713278366Sadrian /* Enable all DMA channels. */ 4714278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 4715278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_CTRL(chnl), 0); 4716278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_BASE(chnl), 0); 4717278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0x80200008); 4718173362Sbenjsc } 4719278366Sadrian wpi_nic_unlock(sc); 4720278366Sadrian (void)WPI_READ(sc, WPI_FH_TX_BASE); /* barrier */ 4721278366Sadrian 4722278366Sadrian /* Clear "radio off" and "commands blocked" bits. */ 4723278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4724278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_CMD_BLOCKED); 4725278366Sadrian 4726278366Sadrian /* Clear pending interrupts. */ 4727278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4728278366Sadrian /* Enable interrupts. */ 4729278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 4730278366Sadrian 4731278366Sadrian /* _Really_ make sure "radio off" bit is cleared! */ 4732278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4733278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4734278366Sadrian 4735278366Sadrian if ((error = wpi_load_firmware(sc)) != 0) { 4736278366Sadrian device_printf(sc->sc_dev, 4737278366Sadrian "%s: could not load firmware, error %d\n", __func__, 4738278366Sadrian error); 4739278366Sadrian return error; 4740278366Sadrian } 4741278366Sadrian /* Wait at most one second for firmware alive notification. */ 4742280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4743278366Sadrian device_printf(sc->sc_dev, 4744278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4745278366Sadrian __func__, error); 4746278366Sadrian return error; 4747278366Sadrian } 4748278366Sadrian 4749278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4750278366Sadrian 4751278366Sadrian /* Do post-firmware initialization. */ 4752278366Sadrian return wpi_post_alive(sc); 4753173362Sbenjsc} 4754173362Sbenjsc 4755173362Sbenjscstatic void 4756278366Sadrianwpi_hw_stop(struct wpi_softc *sc) 4757173362Sbenjsc{ 4758278366Sadrian int chnl, qid, ntries; 4759173362Sbenjsc 4760278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4761173362Sbenjsc 4762278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) 4763278366Sadrian wpi_nic_lock(sc); 4764173362Sbenjsc 4765278366Sadrian WPI_WRITE(sc, WPI_RESET, WPI_RESET_NEVO); 4766173362Sbenjsc 4767278366Sadrian /* Disable interrupts. */ 4768278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 4769278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4770278366Sadrian WPI_WRITE(sc, WPI_FH_INT, 0xffffffff); 4771173362Sbenjsc 4772278366Sadrian /* Make sure we no longer hold the NIC lock. */ 4773278366Sadrian wpi_nic_unlock(sc); 4774173362Sbenjsc 4775278366Sadrian if (wpi_nic_lock(sc) == 0) { 4776278366Sadrian /* Stop TX scheduler. */ 4777278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 0); 4778278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0); 4779179957Sthompsa 4780278366Sadrian /* Stop all DMA channels. */ 4781278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 4782278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0); 4783278366Sadrian for (ntries = 0; ntries < 200; ntries++) { 4784278366Sadrian if (WPI_READ(sc, WPI_FH_TX_STATUS) & 4785278366Sadrian WPI_FH_TX_STATUS_IDLE(chnl)) 4786278366Sadrian break; 4787278366Sadrian DELAY(10); 4788278366Sadrian } 4789173362Sbenjsc } 4790278366Sadrian wpi_nic_unlock(sc); 4791278366Sadrian } 4792173362Sbenjsc 4793278366Sadrian /* Stop RX ring. */ 4794278366Sadrian wpi_reset_rx_ring(sc); 4795173362Sbenjsc 4796278366Sadrian /* Reset all TX rings. */ 4797278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 4798278366Sadrian wpi_reset_tx_ring(sc, &sc->txq[qid]); 4799173362Sbenjsc 4800278366Sadrian if (wpi_nic_lock(sc) == 0) { 4801278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 4802278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT); 4803278366Sadrian wpi_nic_unlock(sc); 4804173362Sbenjsc } 4805278366Sadrian DELAY(5); 4806278366Sadrian /* Power OFF adapter. */ 4807278366Sadrian wpi_apm_stop(sc); 4808173362Sbenjsc} 4809173362Sbenjsc 4810173362Sbenjscstatic void 4811278366Sadrianwpi_radio_on(void *arg0, int pending) 4812173362Sbenjsc{ 4813278366Sadrian struct wpi_softc *sc = arg0; 4814278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4815278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 4816278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4817173362Sbenjsc 4818278366Sadrian device_printf(sc->sc_dev, "RF switch: radio enabled\n"); 4819173362Sbenjsc 4820278366Sadrian if (vap != NULL) { 4821278366Sadrian wpi_init(sc); 4822278366Sadrian ieee80211_init(vap); 4823278366Sadrian } 4824173362Sbenjsc 4825278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL) { 4826278366Sadrian WPI_LOCK(sc); 4827278366Sadrian callout_stop(&sc->watchdog_rfkill); 4828278366Sadrian WPI_UNLOCK(sc); 4829173362Sbenjsc } 4830173362Sbenjsc} 4831173362Sbenjsc 4832278366Sadrianstatic void 4833278366Sadrianwpi_radio_off(void *arg0, int pending) 4834173362Sbenjsc{ 4835278366Sadrian struct wpi_softc *sc = arg0; 4836178354Ssam struct ifnet *ifp = sc->sc_ifp; 4837178354Ssam struct ieee80211com *ic = ifp->if_l2com; 4838278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4839173362Sbenjsc 4840278366Sadrian device_printf(sc->sc_dev, "RF switch: radio disabled\n"); 4841173362Sbenjsc 4842278366Sadrian wpi_stop(sc); 4843278366Sadrian if (vap != NULL) 4844278366Sadrian ieee80211_stop(vap); 4845173362Sbenjsc 4846280053Sadrian WPI_LOCK(sc); 4847278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, sc); 4848280053Sadrian WPI_UNLOCK(sc); 4849278366Sadrian} 4850173362Sbenjsc 4851278366Sadrianstatic void 4852278366Sadrianwpi_init_locked(struct wpi_softc *sc) 4853278366Sadrian{ 4854278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4855278366Sadrian int error; 4856173362Sbenjsc 4857278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4858173362Sbenjsc 4859278366Sadrian WPI_LOCK_ASSERT(sc); 4860278366Sadrian 4861278366Sadrian /* Check that the radio is not disabled by hardware switch. */ 4862278366Sadrian if (!(WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL)) { 4863278366Sadrian device_printf(sc->sc_dev, 4864278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4865278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 4866278366Sadrian sc); 4867278366Sadrian return; 4868173362Sbenjsc } 4869173362Sbenjsc 4870278366Sadrian /* Read firmware images from the filesystem. */ 4871278366Sadrian if ((error = wpi_read_firmware(sc)) != 0) { 4872278366Sadrian device_printf(sc->sc_dev, 4873278366Sadrian "%s: could not read firmware, error %d\n", __func__, 4874278366Sadrian error); 4875278366Sadrian goto fail; 4876278366Sadrian } 4877173362Sbenjsc 4878278366Sadrian /* Initialize hardware and upload firmware. */ 4879278366Sadrian error = wpi_hw_init(sc); 4880278366Sadrian wpi_unload_firmware(sc); 4881278366Sadrian if (error != 0) { 4882278366Sadrian device_printf(sc->sc_dev, 4883278366Sadrian "%s: could not initialize hardware, error %d\n", __func__, 4884278366Sadrian error); 4885278366Sadrian goto fail; 4886278366Sadrian } 4887173362Sbenjsc 4888278366Sadrian /* Configure adapter now that it is ready. */ 4889280071Sadrian sc->txq_active = 1; 4890278366Sadrian if ((error = wpi_config(sc)) != 0) { 4891278366Sadrian device_printf(sc->sc_dev, 4892278366Sadrian "%s: could not configure device, error %d\n", __func__, 4893278366Sadrian error); 4894278366Sadrian goto fail; 4895278366Sadrian } 4896173362Sbenjsc 4897278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 4898278366Sadrian ifp->if_drv_flags |= IFF_DRV_RUNNING; 4899173362Sbenjsc 4900278366Sadrian callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 4901173362Sbenjsc 4902278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4903173362Sbenjsc 4904278366Sadrian return; 4905173362Sbenjsc 4906278366Sadrianfail: wpi_stop_locked(sc); 4907278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 4908278366Sadrian} 4909173362Sbenjsc 4910278366Sadrianstatic void 4911278366Sadrianwpi_init(void *arg) 4912278366Sadrian{ 4913278366Sadrian struct wpi_softc *sc = arg; 4914278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4915278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 4916173362Sbenjsc 4917278366Sadrian WPI_LOCK(sc); 4918278366Sadrian wpi_init_locked(sc); 4919278366Sadrian WPI_UNLOCK(sc); 4920173362Sbenjsc 4921278366Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 4922278366Sadrian ieee80211_start_all(ic); 4923278366Sadrian} 4924173362Sbenjsc 4925278366Sadrianstatic void 4926278366Sadrianwpi_stop_locked(struct wpi_softc *sc) 4927278366Sadrian{ 4928278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4929173362Sbenjsc 4930278366Sadrian WPI_LOCK_ASSERT(sc); 4931278366Sadrian 4932280071Sadrian WPI_TXQ_LOCK(sc); 4933280071Sadrian sc->txq_active = 0; 4934280071Sadrian WPI_TXQ_UNLOCK(sc); 4935280071Sadrian 4936278366Sadrian sc->sc_scan_timer = 0; 4937278366Sadrian sc->sc_tx_timer = 0; 4938278366Sadrian callout_stop(&sc->watchdog_to); 4939278366Sadrian callout_stop(&sc->calib_to); 4940278366Sadrian ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 4941278366Sadrian 4942278366Sadrian /* Power OFF hardware. */ 4943278366Sadrian wpi_hw_stop(sc); 4944173362Sbenjsc} 4945173362Sbenjsc 4946278366Sadrianstatic void 4947278366Sadrianwpi_stop(struct wpi_softc *sc) 4948278366Sadrian{ 4949278366Sadrian WPI_LOCK(sc); 4950278366Sadrian wpi_stop_locked(sc); 4951278366Sadrian WPI_UNLOCK(sc); 4952278366Sadrian} 4953278366Sadrian 4954278366Sadrian/* 4955278366Sadrian * Callback from net80211 to start a scan. 4956173362Sbenjsc */ 4957173362Sbenjscstatic void 4958173362Sbenjscwpi_scan_start(struct ieee80211com *ic) 4959173362Sbenjsc{ 4960280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4961173362Sbenjsc 4962191746Sthompsa wpi_set_led(sc, WPI_LED_LINK, 20, 2); 4963173362Sbenjsc} 4964173362Sbenjsc 4965278366Sadrian/* 4966278366Sadrian * Callback from net80211 to terminate a scan. 4967173362Sbenjsc */ 4968173362Sbenjscstatic void 4969173362Sbenjscwpi_scan_end(struct ieee80211com *ic) 4970173362Sbenjsc{ 4971278366Sadrian struct ifnet *ifp = ic->ic_ifp; 4972278366Sadrian struct wpi_softc *sc = ifp->if_softc; 4973278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4974278366Sadrian 4975280073Sadrian if (vap->iv_state == IEEE80211_S_RUN) 4976278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 4977173362Sbenjsc} 4978173362Sbenjsc 4979173362Sbenjsc/** 4980173362Sbenjsc * Called by the net80211 framework to indicate to the driver 4981173362Sbenjsc * that the channel should be changed 4982173362Sbenjsc */ 4983173362Sbenjscstatic void 4984173362Sbenjscwpi_set_channel(struct ieee80211com *ic) 4985173362Sbenjsc{ 4986278366Sadrian const struct ieee80211_channel *c = ic->ic_curchan; 4987173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 4988173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 4989191746Sthompsa int error; 4990173362Sbenjsc 4991278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4992278366Sadrian 4993278366Sadrian WPI_LOCK(sc); 4994278366Sadrian sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq); 4995278366Sadrian sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags); 4996278366Sadrian sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq); 4997278366Sadrian sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags); 4998278366Sadrian 4999177043Sthompsa /* 5000177043Sthompsa * Only need to set the channel in Monitor mode. AP scanning and auth 5001177043Sthompsa * are already taken care of by their respective firmware commands. 5002177043Sthompsa */ 5003191746Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 5004278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 5005278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) { 5006278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | 5007278366Sadrian WPI_RXON_24GHZ); 5008278366Sadrian } else { 5009278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_AUTO | 5010278366Sadrian WPI_RXON_24GHZ); 5011278366Sadrian } 5012278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) 5013191746Sthompsa device_printf(sc->sc_dev, 5014278366Sadrian "%s: error %d settting channel\n", __func__, 5015278366Sadrian error); 5016191746Sthompsa } 5017278366Sadrian WPI_UNLOCK(sc); 5018173362Sbenjsc} 5019173362Sbenjsc 5020173362Sbenjsc/** 5021173362Sbenjsc * Called by net80211 to indicate that we need to scan the current 5022173362Sbenjsc * channel. The channel is previously be set via the wpi_set_channel 5023173362Sbenjsc * callback. 5024173362Sbenjsc */ 5025173362Sbenjscstatic void 5026178354Ssamwpi_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 5027173362Sbenjsc{ 5028178354Ssam struct ieee80211vap *vap = ss->ss_vap; 5029278366Sadrian struct ieee80211com *ic = vap->iv_ic; 5030280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 5031278366Sadrian int error; 5032173362Sbenjsc 5033278366Sadrian if (sc->rxon.chan != ieee80211_chan2ieee(ic, ic->ic_curchan)) { 5034278366Sadrian WPI_LOCK(sc); 5035278366Sadrian error = wpi_scan(sc, ic->ic_curchan); 5036278366Sadrian WPI_UNLOCK(sc); 5037278366Sadrian if (error != 0) 5038278366Sadrian ieee80211_cancel_scan(vap); 5039278366Sadrian } else { 5040278366Sadrian /* Send probe request when associated. */ 5041278366Sadrian sc->sc_scan_curchan(ss, maxdwell); 5042278366Sadrian } 5043173362Sbenjsc} 5044173362Sbenjsc 5045173362Sbenjsc/** 5046173362Sbenjsc * Called by the net80211 framework to indicate 5047173362Sbenjsc * the minimum dwell time has been met, terminate the scan. 5048173362Sbenjsc * We don't actually terminate the scan as the firmware will notify 5049173362Sbenjsc * us when it's finished and we have no way to interrupt it. 5050173362Sbenjsc */ 5051173362Sbenjscstatic void 5052178354Ssamwpi_scan_mindwell(struct ieee80211_scan_state *ss) 5053173362Sbenjsc{ 5054173362Sbenjsc /* NB: don't try to abort scan; wait for firmware to finish */ 5055173362Sbenjsc} 5056173362Sbenjsc 5057173362Sbenjscstatic void 5058278366Sadrianwpi_hw_reset(void *arg, int pending) 5059173362Sbenjsc{ 5060191746Sthompsa struct wpi_softc *sc = arg; 5061177043Sthompsa struct ifnet *ifp = sc->sc_ifp; 5062191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 5063278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5064173362Sbenjsc 5065278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5066173362Sbenjsc 5067278366Sadrian wpi_stop(sc); 5068278366Sadrian if (vap != NULL) 5069278366Sadrian ieee80211_stop(vap); 5070278366Sadrian wpi_init(sc); 5071278366Sadrian if (vap != NULL) 5072278366Sadrian ieee80211_init(vap); 5073173362Sbenjsc} 5074