if_wpi.c revision 280118
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 280118 2015-03-15 21:29:36Z 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 *); 133280083Sadrianstatic void wpi_init_beacon(struct wpi_vap *); 134178354Ssamstatic struct ieee80211vap *wpi_vap_create(struct ieee80211com *, 135228621Sbschmidt const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 136228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN], 137228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN]); 138178354Ssamstatic void wpi_vap_delete(struct ieee80211vap *); 139278366Sadrianstatic int wpi_detach(device_t); 140278366Sadrianstatic int wpi_shutdown(device_t); 141278366Sadrianstatic int wpi_suspend(device_t); 142278366Sadrianstatic int wpi_resume(device_t); 143278366Sadrianstatic int wpi_nic_lock(struct wpi_softc *); 144278366Sadrianstatic int wpi_read_prom_data(struct wpi_softc *, uint32_t, void *, int); 145278366Sadrianstatic void wpi_dma_map_addr(void *, bus_dma_segment_t *, int, int); 146173362Sbenjscstatic int wpi_dma_contig_alloc(struct wpi_softc *, struct wpi_dma_info *, 147278366Sadrian void **, bus_size_t, bus_size_t); 148173362Sbenjscstatic void wpi_dma_contig_free(struct wpi_dma_info *); 149173362Sbenjscstatic int wpi_alloc_shared(struct wpi_softc *); 150173362Sbenjscstatic void wpi_free_shared(struct wpi_softc *); 151278366Sadrianstatic int wpi_alloc_fwmem(struct wpi_softc *); 152278366Sadrianstatic void wpi_free_fwmem(struct wpi_softc *); 153278366Sadrianstatic int wpi_alloc_rx_ring(struct wpi_softc *); 154278366Sadrianstatic void wpi_update_rx_ring(struct wpi_softc *); 155278366Sadrianstatic void wpi_reset_rx_ring(struct wpi_softc *); 156278366Sadrianstatic void wpi_free_rx_ring(struct wpi_softc *); 157173362Sbenjscstatic int wpi_alloc_tx_ring(struct wpi_softc *, struct wpi_tx_ring *, 158278366Sadrian int); 159278366Sadrianstatic void wpi_update_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 160173362Sbenjscstatic void wpi_reset_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 161173362Sbenjscstatic void wpi_free_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 162278366Sadrianstatic int wpi_read_eeprom(struct wpi_softc *, 163278366Sadrian uint8_t macaddr[IEEE80211_ADDR_LEN]); 164278366Sadrianstatic uint32_t wpi_eeprom_channel_flags(struct wpi_eeprom_chan *); 165278366Sadrianstatic void wpi_read_eeprom_band(struct wpi_softc *, int); 166278366Sadrianstatic int wpi_read_eeprom_channels(struct wpi_softc *, int); 167278366Sadrianstatic struct wpi_eeprom_chan *wpi_find_eeprom_channel(struct wpi_softc *, 168278366Sadrian struct ieee80211_channel *); 169278366Sadrianstatic int wpi_setregdomain(struct ieee80211com *, 170278366Sadrian struct ieee80211_regdomain *, int, 171278366Sadrian struct ieee80211_channel[]); 172278366Sadrianstatic int wpi_read_eeprom_group(struct wpi_softc *, int); 173280069Sadrianstatic int wpi_add_node_entry_adhoc(struct wpi_softc *); 174278366Sadrianstatic void wpi_node_free(struct ieee80211_node *); 175278366Sadrianstatic struct ieee80211_node *wpi_node_alloc(struct ieee80211vap *, 176278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 177178354Ssamstatic int wpi_newstate(struct ieee80211vap *, enum ieee80211_state, int); 178278366Sadrianstatic void wpi_calib_timeout(void *); 179278366Sadrianstatic void wpi_rx_done(struct wpi_softc *, struct wpi_rx_desc *, 180173362Sbenjsc struct wpi_rx_data *); 181278366Sadrianstatic void wpi_rx_statistics(struct wpi_softc *, struct wpi_rx_desc *, 182278366Sadrian struct wpi_rx_data *); 183278366Sadrianstatic void wpi_tx_done(struct wpi_softc *, struct wpi_rx_desc *); 184278366Sadrianstatic void wpi_cmd_done(struct wpi_softc *, struct wpi_rx_desc *); 185173362Sbenjscstatic void wpi_notif_intr(struct wpi_softc *); 186278366Sadrianstatic void wpi_wakeup_intr(struct wpi_softc *); 187280093Sadrian#ifdef WPI_DEBUG 188280093Sadrianstatic void wpi_debug_registers(struct wpi_softc *); 189280093Sadrian#endif 190278366Sadrianstatic void wpi_fatal_intr(struct wpi_softc *); 191173362Sbenjscstatic void wpi_intr(void *); 192278366Sadrianstatic int wpi_cmd2(struct wpi_softc *, struct wpi_buf *); 193173362Sbenjscstatic int wpi_tx_data(struct wpi_softc *, struct mbuf *, 194278366Sadrian struct ieee80211_node *); 195278366Sadrianstatic int wpi_tx_data_raw(struct wpi_softc *, struct mbuf *, 196278366Sadrian struct ieee80211_node *, 197278366Sadrian const struct ieee80211_bpf_params *); 198278366Sadrianstatic int wpi_raw_xmit(struct ieee80211_node *, struct mbuf *, 199278366Sadrian const struct ieee80211_bpf_params *); 200173362Sbenjscstatic void wpi_start(struct ifnet *); 201280078Sadrianstatic void wpi_start_task(void *, int); 202278366Sadrianstatic void wpi_watchdog_rfkill(void *); 203280106Sadrianstatic void wpi_scan_timeout(void *); 204280109Sadrianstatic void wpi_tx_timeout(void *); 205173362Sbenjscstatic int wpi_ioctl(struct ifnet *, u_long, caddr_t); 206278366Sadrianstatic int wpi_cmd(struct wpi_softc *, int, const void *, size_t, int); 207173362Sbenjscstatic int wpi_mrr_setup(struct wpi_softc *); 208278366Sadrianstatic int wpi_add_node(struct wpi_softc *, struct ieee80211_node *); 209278366Sadrianstatic int wpi_add_broadcast_node(struct wpi_softc *, int); 210278366Sadrianstatic int wpi_add_ibss_node(struct wpi_softc *, struct ieee80211_node *); 211278366Sadrianstatic void wpi_del_node(struct wpi_softc *, struct ieee80211_node *); 212278366Sadrianstatic int wpi_updateedca(struct ieee80211com *); 213278366Sadrianstatic void wpi_set_promisc(struct wpi_softc *); 214278366Sadrianstatic void wpi_update_promisc(struct ifnet *); 215278366Sadrianstatic void wpi_update_mcast(struct ifnet *); 216173362Sbenjscstatic void wpi_set_led(struct wpi_softc *, uint8_t, uint8_t, uint8_t); 217278366Sadrianstatic int wpi_set_timing(struct wpi_softc *, struct ieee80211_node *); 218278366Sadrianstatic void wpi_power_calibration(struct wpi_softc *); 219278366Sadrianstatic int wpi_set_txpower(struct wpi_softc *, int); 220278366Sadrianstatic int wpi_get_power_index(struct wpi_softc *, 221278366Sadrian struct wpi_power_group *, struct ieee80211_channel *, int); 222278366Sadrianstatic int wpi_set_pslevel(struct wpi_softc *, uint8_t, int, int); 223278366Sadrianstatic int wpi_send_btcoex(struct wpi_softc *); 224278366Sadrianstatic int wpi_send_rxon(struct wpi_softc *, int, int); 225278366Sadrianstatic int wpi_config(struct wpi_softc *); 226278366Sadrianstatic uint16_t wpi_get_active_dwell_time(struct wpi_softc *, 227278366Sadrian struct ieee80211_channel *, uint8_t); 228278366Sadrianstatic uint16_t wpi_limit_dwell(struct wpi_softc *, uint16_t); 229278366Sadrianstatic uint16_t wpi_get_passive_dwell_time(struct wpi_softc *, 230278366Sadrian struct ieee80211_channel *); 231278366Sadrianstatic int wpi_scan(struct wpi_softc *, struct ieee80211_channel *); 232278366Sadrianstatic int wpi_auth(struct wpi_softc *, struct ieee80211vap *); 233280084Sadrianstatic int wpi_config_beacon(struct wpi_vap *); 234280084Sadrianstatic int wpi_setup_beacon(struct wpi_softc *, struct ieee80211_node *); 235278366Sadrianstatic void wpi_update_beacon(struct ieee80211vap *, int); 236280079Sadrianstatic void wpi_newassoc(struct ieee80211_node *, int); 237178354Ssamstatic int wpi_run(struct wpi_softc *, struct ieee80211vap *); 238280088Sadrianstatic int wpi_load_key(struct ieee80211_node *, 239280088Sadrian const struct ieee80211_key *); 240280088Sadrianstatic void wpi_load_key_cb(void *, struct ieee80211_node *); 241280088Sadrianstatic int wpi_set_global_keys(struct ieee80211_node *); 242280088Sadrianstatic int wpi_del_key(struct ieee80211_node *, 243280088Sadrian const struct ieee80211_key *); 244280088Sadrianstatic void wpi_del_key_cb(void *, struct ieee80211_node *); 245280088Sadrianstatic int wpi_process_key(struct ieee80211vap *, 246280088Sadrian const struct ieee80211_key *, int); 247278366Sadrianstatic int wpi_key_set(struct ieee80211vap *, 248278366Sadrian const struct ieee80211_key *, 249278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 250278366Sadrianstatic int wpi_key_delete(struct ieee80211vap *, 251278366Sadrian const struct ieee80211_key *); 252278366Sadrianstatic int wpi_post_alive(struct wpi_softc *); 253278366Sadrianstatic int wpi_load_bootcode(struct wpi_softc *, const uint8_t *, int); 254278366Sadrianstatic int wpi_load_firmware(struct wpi_softc *); 255278366Sadrianstatic int wpi_read_firmware(struct wpi_softc *); 256278366Sadrianstatic void wpi_unload_firmware(struct wpi_softc *); 257278366Sadrianstatic int wpi_clock_wait(struct wpi_softc *); 258278366Sadrianstatic int wpi_apm_init(struct wpi_softc *); 259278366Sadrianstatic void wpi_apm_stop_master(struct wpi_softc *); 260278366Sadrianstatic void wpi_apm_stop(struct wpi_softc *); 261278366Sadrianstatic void wpi_nic_config(struct wpi_softc *); 262278366Sadrianstatic int wpi_hw_init(struct wpi_softc *); 263278366Sadrianstatic void wpi_hw_stop(struct wpi_softc *); 264278366Sadrianstatic void wpi_radio_on(void *, int); 265278366Sadrianstatic void wpi_radio_off(void *, int); 266173362Sbenjscstatic void wpi_init(void *); 267278366Sadrianstatic void wpi_stop_locked(struct wpi_softc *); 268173362Sbenjscstatic void wpi_stop(struct wpi_softc *); 269278366Sadrianstatic void wpi_scan_start(struct ieee80211com *); 270278366Sadrianstatic void wpi_scan_end(struct ieee80211com *); 271278366Sadrianstatic void wpi_set_channel(struct ieee80211com *); 272278366Sadrianstatic void wpi_scan_curchan(struct ieee80211_scan_state *, unsigned long); 273278366Sadrianstatic void wpi_scan_mindwell(struct ieee80211_scan_state *); 274278366Sadrianstatic void wpi_hw_reset(void *, int); 275173362Sbenjsc 276173362Sbenjscstatic device_method_t wpi_methods[] = { 277173362Sbenjsc /* Device interface */ 278173362Sbenjsc DEVMETHOD(device_probe, wpi_probe), 279173362Sbenjsc DEVMETHOD(device_attach, wpi_attach), 280173362Sbenjsc DEVMETHOD(device_detach, wpi_detach), 281173362Sbenjsc DEVMETHOD(device_shutdown, wpi_shutdown), 282173362Sbenjsc DEVMETHOD(device_suspend, wpi_suspend), 283173362Sbenjsc DEVMETHOD(device_resume, wpi_resume), 284173362Sbenjsc 285260064Smarius DEVMETHOD_END 286173362Sbenjsc}; 287173362Sbenjsc 288173362Sbenjscstatic driver_t wpi_driver = { 289173362Sbenjsc "wpi", 290173362Sbenjsc wpi_methods, 291173362Sbenjsc sizeof (struct wpi_softc) 292173362Sbenjsc}; 293173362Sbenjscstatic devclass_t wpi_devclass; 294173362Sbenjsc 295260064SmariusDRIVER_MODULE(wpi, pci, wpi_driver, wpi_devclass, NULL, NULL); 296173362Sbenjsc 297222543SbschmidtMODULE_VERSION(wpi, 1); 298222543Sbschmidt 299278366SadrianMODULE_DEPEND(wpi, pci, 1, 1, 1); 300278366SadrianMODULE_DEPEND(wpi, wlan, 1, 1, 1); 301278366SadrianMODULE_DEPEND(wpi, firmware, 1, 1, 1); 302260064Smarius 303173362Sbenjscstatic int 304173362Sbenjscwpi_probe(device_t dev) 305173362Sbenjsc{ 306173362Sbenjsc const struct wpi_ident *ident; 307173362Sbenjsc 308173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 309173362Sbenjsc if (pci_get_vendor(dev) == ident->vendor && 310173362Sbenjsc pci_get_device(dev) == ident->device) { 311173362Sbenjsc device_set_desc(dev, ident->name); 312260064Smarius return (BUS_PROBE_DEFAULT); 313173362Sbenjsc } 314173362Sbenjsc } 315173362Sbenjsc return ENXIO; 316173362Sbenjsc} 317173362Sbenjsc 318173362Sbenjscstatic int 319173362Sbenjscwpi_attach(device_t dev) 320173362Sbenjsc{ 321278366Sadrian struct wpi_softc *sc = (struct wpi_softc *)device_get_softc(dev); 322278366Sadrian struct ieee80211com *ic; 323173362Sbenjsc struct ifnet *ifp; 324280061Sadrian int i, error, rid; 325280061Sadrian#ifdef WPI_DEBUG 326280061Sadrian int supportsa = 1; 327173362Sbenjsc const struct wpi_ident *ident; 328280061Sadrian#endif 329190526Ssam uint8_t macaddr[IEEE80211_ADDR_LEN]; 330173362Sbenjsc 331173362Sbenjsc sc->sc_dev = dev; 332173362Sbenjsc 333280059Sadrian#ifdef WPI_DEBUG 334278366Sadrian error = resource_int_value(device_get_name(sc->sc_dev), 335278366Sadrian device_get_unit(sc->sc_dev), "debug", &(sc->sc_debug)); 336278366Sadrian if (error != 0) 337278366Sadrian sc->sc_debug = 0; 338278366Sadrian#else 339278366Sadrian sc->sc_debug = 0; 340278366Sadrian#endif 341173362Sbenjsc 342278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 343278366Sadrian 344173362Sbenjsc /* 345278366Sadrian * Get the offset of the PCI Express Capability Structure in PCI 346278366Sadrian * Configuration Space. 347278366Sadrian */ 348278366Sadrian error = pci_find_cap(dev, PCIY_EXPRESS, &sc->sc_cap_off); 349278366Sadrian if (error != 0) { 350278366Sadrian device_printf(dev, "PCIe capability structure not found!\n"); 351278366Sadrian return error; 352278366Sadrian } 353278366Sadrian 354278366Sadrian /* 355173362Sbenjsc * Some card's only support 802.11b/g not a, check to see if 356173362Sbenjsc * this is one such card. A 0x0 in the subdevice table indicates 357173362Sbenjsc * the entire subdevice range is to be ignored. 358173362Sbenjsc */ 359280061Sadrian#ifdef WPI_DEBUG 360173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 361173362Sbenjsc if (ident->subdevice && 362173362Sbenjsc pci_get_subdevice(dev) == ident->subdevice) { 363173362Sbenjsc supportsa = 0; 364173362Sbenjsc break; 365173362Sbenjsc } 366173362Sbenjsc } 367280061Sadrian#endif 368173362Sbenjsc 369278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 370173362Sbenjsc pci_write_config(dev, 0x41, 0, 1); 371173362Sbenjsc 372278366Sadrian /* Enable bus-mastering. */ 373173362Sbenjsc pci_enable_busmaster(dev); 374173362Sbenjsc 375260064Smarius rid = PCIR_BAR(0); 376260064Smarius sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 377173362Sbenjsc RF_ACTIVE); 378173362Sbenjsc if (sc->mem == NULL) { 379278366Sadrian device_printf(dev, "can't map mem space\n"); 380280091Sadrian return ENOMEM; 381173362Sbenjsc } 382173362Sbenjsc sc->sc_st = rman_get_bustag(sc->mem); 383173362Sbenjsc sc->sc_sh = rman_get_bushandle(sc->mem); 384173362Sbenjsc 385278366Sadrian i = 1; 386260064Smarius rid = 0; 387278366Sadrian if (pci_alloc_msi(dev, &i) == 0) 388278366Sadrian rid = 1; 389278366Sadrian /* Install interrupt handler. */ 390278366Sadrian sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | 391278366Sadrian (rid != 0 ? 0 : RF_SHAREABLE)); 392173362Sbenjsc if (sc->irq == NULL) { 393278366Sadrian device_printf(dev, "can't map interrupt\n"); 394173362Sbenjsc error = ENOMEM; 395173362Sbenjsc goto fail; 396173362Sbenjsc } 397173362Sbenjsc 398278366Sadrian WPI_LOCK_INIT(sc); 399280113Sadrian WPI_TX_LOCK_INIT(sc); 400280108Sadrian WPI_RXON_LOCK_INIT(sc); 401280077Sadrian WPI_NT_LOCK_INIT(sc); 402280071Sadrian WPI_TXQ_LOCK_INIT(sc); 403280112Sadrian WPI_TXQ_STATE_LOCK_INIT(sc); 404278366Sadrian 405278366Sadrian /* Allocate DMA memory for firmware transfers. */ 406173362Sbenjsc if ((error = wpi_alloc_fwmem(sc)) != 0) { 407278366Sadrian device_printf(dev, 408278366Sadrian "could not allocate memory for firmware, error %d\n", 409278366Sadrian error); 410173362Sbenjsc goto fail; 411173362Sbenjsc } 412173362Sbenjsc 413278366Sadrian /* Allocate shared page. */ 414173362Sbenjsc if ((error = wpi_alloc_shared(sc)) != 0) { 415173362Sbenjsc device_printf(dev, "could not allocate shared page\n"); 416173362Sbenjsc goto fail; 417173362Sbenjsc } 418173362Sbenjsc 419278366Sadrian /* Allocate TX rings - 4 for QoS purposes, 1 for commands. */ 420278366Sadrian for (i = 0; i < WPI_NTXQUEUES; i++) { 421278366Sadrian if ((error = wpi_alloc_tx_ring(sc, &sc->txq[i], i)) != 0) { 422278366Sadrian device_printf(dev, 423278366Sadrian "could not allocate TX ring %d, error %d\n", i, 424278366Sadrian error); 425278366Sadrian goto fail; 426173362Sbenjsc } 427173362Sbenjsc } 428173362Sbenjsc 429278366Sadrian /* Allocate RX ring. */ 430278366Sadrian if ((error = wpi_alloc_rx_ring(sc)) != 0) { 431278366Sadrian device_printf(dev, "could not allocate RX ring, error %d\n", 432278366Sadrian error); 433173362Sbenjsc goto fail; 434173362Sbenjsc } 435173362Sbenjsc 436278366Sadrian /* Clear pending interrupts. */ 437278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 438173362Sbenjsc 439178354Ssam ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 440173362Sbenjsc if (ifp == NULL) { 441278366Sadrian device_printf(dev, "can not allocate ifnet structure\n"); 442173362Sbenjsc goto fail; 443173362Sbenjsc } 444278366Sadrian 445178354Ssam ic = ifp->if_l2com; 446173362Sbenjsc ic->ic_ifp = ifp; 447178354Ssam ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 448178354Ssam ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 449173362Sbenjsc 450278366Sadrian /* Set device capabilities. */ 451173362Sbenjsc ic->ic_caps = 452178957Ssam IEEE80211_C_STA /* station mode supported */ 453278366Sadrian | IEEE80211_C_IBSS /* IBSS mode supported */ 454280105Sadrian | IEEE80211_C_HOSTAP /* Host access point mode */ 455178957Ssam | IEEE80211_C_MONITOR /* monitor mode supported */ 456278366Sadrian | IEEE80211_C_AHDEMO /* adhoc demo mode */ 457278366Sadrian | IEEE80211_C_BGSCAN /* capable of bg scanning */ 458173362Sbenjsc | IEEE80211_C_TXPMGT /* tx power management */ 459173362Sbenjsc | IEEE80211_C_SHSLOT /* short slot time supported */ 460278366Sadrian | IEEE80211_C_WPA /* 802.11i */ 461173362Sbenjsc | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 462278366Sadrian | IEEE80211_C_WME /* 802.11e */ 463278366Sadrian | IEEE80211_C_PMGT /* Station-side power mgmt */ 464173362Sbenjsc ; 465173362Sbenjsc 466278366Sadrian ic->ic_cryptocaps = 467278366Sadrian IEEE80211_CRYPTO_AES_CCM; 468278366Sadrian 469173362Sbenjsc /* 470173362Sbenjsc * Read in the eeprom and also setup the channels for 471173362Sbenjsc * net80211. We don't set the rates as net80211 does this for us 472173362Sbenjsc */ 473278366Sadrian if ((error = wpi_read_eeprom(sc, macaddr)) != 0) { 474278366Sadrian device_printf(dev, "could not read EEPROM, error %d\n", 475278366Sadrian error); 476278366Sadrian goto fail; 477280059Sadrian } 478173362Sbenjsc 479280059Sadrian#ifdef WPI_DEBUG 480278366Sadrian if (bootverbose) { 481280059Sadrian device_printf(sc->sc_dev, "Regulatory Domain: %.4s\n", 482280059Sadrian sc->domain); 483280059Sadrian device_printf(sc->sc_dev, "Hardware Type: %c\n", 484280059Sadrian sc->type > 1 ? 'B': '?'); 485280059Sadrian device_printf(sc->sc_dev, "Hardware Revision: %c\n", 486280076Sadrian ((sc->rev & 0xf0) == 0xd0) ? 'D': '?'); 487280059Sadrian device_printf(sc->sc_dev, "SKU %s support 802.11a\n", 488280059Sadrian supportsa ? "does" : "does not"); 489173362Sbenjsc 490280059Sadrian /* XXX hw_config uses the PCIDEV for the Hardware rev. Must 491280059Sadrian check what sc->rev really represents - benjsc 20070615 */ 492173362Sbenjsc } 493278366Sadrian#endif 494173362Sbenjsc 495173362Sbenjsc if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 496173362Sbenjsc ifp->if_softc = sc; 497173362Sbenjsc ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 498173362Sbenjsc ifp->if_init = wpi_init; 499173362Sbenjsc ifp->if_ioctl = wpi_ioctl; 500173362Sbenjsc ifp->if_start = wpi_start; 501207554Ssobomax IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 502207554Ssobomax ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 503173362Sbenjsc IFQ_SET_READY(&ifp->if_snd); 504178354Ssam 505190526Ssam ieee80211_ifattach(ic, macaddr); 506278366Sadrian ic->ic_vap_create = wpi_vap_create; 507278366Sadrian ic->ic_vap_delete = wpi_vap_delete; 508178354Ssam ic->ic_raw_xmit = wpi_raw_xmit; 509278366Sadrian ic->ic_node_alloc = wpi_node_alloc; 510278366Sadrian sc->sc_node_free = ic->ic_node_free; 511278366Sadrian ic->ic_node_free = wpi_node_free; 512278366Sadrian ic->ic_wme.wme_update = wpi_updateedca; 513278366Sadrian ic->ic_update_promisc = wpi_update_promisc; 514278366Sadrian ic->ic_update_mcast = wpi_update_mcast; 515280079Sadrian ic->ic_newassoc = wpi_newassoc; 516173362Sbenjsc ic->ic_scan_start = wpi_scan_start; 517173362Sbenjsc ic->ic_scan_end = wpi_scan_end; 518173362Sbenjsc ic->ic_set_channel = wpi_set_channel; 519278366Sadrian sc->sc_scan_curchan = ic->ic_scan_curchan; 520173362Sbenjsc ic->ic_scan_curchan = wpi_scan_curchan; 521173362Sbenjsc ic->ic_scan_mindwell = wpi_scan_mindwell; 522278366Sadrian ic->ic_setregdomain = wpi_setregdomain; 523173362Sbenjsc 524278366Sadrian wpi_radiotap_attach(sc); 525173362Sbenjsc 526280108Sadrian callout_init_mtx(&sc->calib_to, &sc->rxon_mtx, 0); 527280108Sadrian callout_init_mtx(&sc->scan_timeout, &sc->rxon_mtx, 0); 528280112Sadrian callout_init_mtx(&sc->tx_timeout, &sc->txq_state_mtx, 0); 529278366Sadrian callout_init_mtx(&sc->watchdog_rfkill, &sc->sc_mtx, 0); 530278366Sadrian TASK_INIT(&sc->sc_reinittask, 0, wpi_hw_reset, sc); 531278366Sadrian TASK_INIT(&sc->sc_radiooff_task, 0, wpi_radio_off, sc); 532278366Sadrian TASK_INIT(&sc->sc_radioon_task, 0, wpi_radio_on, sc); 533280078Sadrian TASK_INIT(&sc->sc_start_task, 0, wpi_start_task, sc); 534173362Sbenjsc 535278366Sadrian wpi_sysctlattach(sc); 536278366Sadrian 537173362Sbenjsc /* 538173362Sbenjsc * Hook our interrupt after all initialization is complete. 539173362Sbenjsc */ 540278366Sadrian error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 541177043Sthompsa NULL, wpi_intr, sc, &sc->sc_ih); 542173362Sbenjsc if (error != 0) { 543278366Sadrian device_printf(dev, "can't establish interrupt, error %d\n", 544278366Sadrian error); 545173362Sbenjsc goto fail; 546173362Sbenjsc } 547173362Sbenjsc 548177043Sthompsa if (bootverbose) 549177043Sthompsa ieee80211_announce(ic); 550278366Sadrian 551278366Sadrian#ifdef WPI_DEBUG 552278366Sadrian if (sc->sc_debug & WPI_DEBUG_HW) 553278366Sadrian ieee80211_announce_channels(ic); 554173362Sbenjsc#endif 555278366Sadrian 556278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 557173362Sbenjsc return 0; 558173362Sbenjsc 559173362Sbenjscfail: wpi_detach(dev); 560278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 561278366Sadrian return error; 562173362Sbenjsc} 563173362Sbenjsc 564278366Sadrian/* 565278366Sadrian * Attach the interface to 802.11 radiotap. 566278366Sadrian */ 567278366Sadrianstatic void 568278366Sadrianwpi_radiotap_attach(struct wpi_softc *sc) 569278366Sadrian{ 570278366Sadrian struct ifnet *ifp = sc->sc_ifp; 571278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 572278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 573278366Sadrian ieee80211_radiotap_attach(ic, 574278366Sadrian &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 575278366Sadrian WPI_TX_RADIOTAP_PRESENT, 576278366Sadrian &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 577278366Sadrian WPI_RX_RADIOTAP_PRESENT); 578278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 579278366Sadrian} 580278366Sadrian 581278366Sadrianstatic void 582278366Sadrianwpi_sysctlattach(struct wpi_softc *sc) 583278366Sadrian{ 584280059Sadrian#ifdef WPI_DEBUG 585278366Sadrian struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 586278366Sadrian struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 587278366Sadrian 588278366Sadrian SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 589278366Sadrian "debug", CTLFLAG_RW, &sc->sc_debug, sc->sc_debug, 590278366Sadrian "control debugging printfs"); 591278366Sadrian#endif 592278366Sadrian} 593278366Sadrian 594280083Sadrianstatic void 595280083Sadrianwpi_init_beacon(struct wpi_vap *wvp) 596280083Sadrian{ 597280083Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 598280083Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 599280083Sadrian 600280083Sadrian cmd->id = WPI_ID_BROADCAST; 601280083Sadrian cmd->ofdm_mask = 0xff; 602280083Sadrian cmd->cck_mask = 0x0f; 603280083Sadrian cmd->lifetime = htole32(WPI_LIFETIME_INFINITE); 604280083Sadrian cmd->flags = htole32(WPI_TX_AUTO_SEQ | WPI_TX_INSERT_TSTAMP); 605280083Sadrian 606280083Sadrian bcn->code = WPI_CMD_SET_BEACON; 607280083Sadrian bcn->ac = WPI_CMD_QUEUE_NUM; 608280083Sadrian bcn->size = sizeof(struct wpi_cmd_beacon); 609280083Sadrian} 610280083Sadrian 611278366Sadrianstatic struct ieee80211vap * 612278366Sadrianwpi_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 613278366Sadrian enum ieee80211_opmode opmode, int flags, 614278366Sadrian const uint8_t bssid[IEEE80211_ADDR_LEN], 615278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 616278366Sadrian{ 617278366Sadrian struct wpi_vap *wvp; 618278366Sadrian struct ieee80211vap *vap; 619278366Sadrian 620278366Sadrian if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 621278366Sadrian return NULL; 622278366Sadrian 623278366Sadrian wvp = (struct wpi_vap *) malloc(sizeof(struct wpi_vap), 624278366Sadrian M_80211_VAP, M_NOWAIT | M_ZERO); 625278366Sadrian if (wvp == NULL) 626278366Sadrian return NULL; 627280085Sadrian vap = &wvp->wv_vap; 628278366Sadrian ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 629278366Sadrian 630280105Sadrian if (opmode == IEEE80211_M_IBSS || opmode == IEEE80211_M_HOSTAP) { 631280086Sadrian WPI_VAP_LOCK_INIT(wvp); 632280083Sadrian wpi_init_beacon(wvp); 633280086Sadrian } 634280083Sadrian 635278366Sadrian /* Override with driver methods. */ 636278366Sadrian vap->iv_key_set = wpi_key_set; 637278366Sadrian vap->iv_key_delete = wpi_key_delete; 638280085Sadrian wvp->wv_newstate = vap->iv_newstate; 639278366Sadrian vap->iv_newstate = wpi_newstate; 640278366Sadrian vap->iv_update_beacon = wpi_update_beacon; 641280105Sadrian vap->iv_max_aid = WPI_ID_IBSS_MAX - WPI_ID_IBSS_MIN + 1; 642278366Sadrian 643278366Sadrian ieee80211_ratectl_init(vap); 644278366Sadrian /* Complete setup. */ 645280066Sadrian ieee80211_vap_attach(vap, ieee80211_media_change, 646280066Sadrian ieee80211_media_status); 647278366Sadrian ic->ic_opmode = opmode; 648278366Sadrian return vap; 649278366Sadrian} 650278366Sadrian 651278366Sadrianstatic void 652278366Sadrianwpi_vap_delete(struct ieee80211vap *vap) 653278366Sadrian{ 654278366Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 655280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 656280084Sadrian enum ieee80211_opmode opmode = vap->iv_opmode; 657278366Sadrian 658278366Sadrian ieee80211_ratectl_deinit(vap); 659278366Sadrian ieee80211_vap_detach(vap); 660278366Sadrian 661280105Sadrian if (opmode == IEEE80211_M_IBSS || opmode == IEEE80211_M_HOSTAP) { 662280084Sadrian if (bcn->m != NULL) 663280084Sadrian m_freem(bcn->m); 664280086Sadrian 665280086Sadrian WPI_VAP_LOCK_DESTROY(wvp); 666280084Sadrian } 667280084Sadrian 668278366Sadrian free(wvp, M_80211_VAP); 669278366Sadrian} 670278366Sadrian 671173362Sbenjscstatic int 672173362Sbenjscwpi_detach(device_t dev) 673173362Sbenjsc{ 674173362Sbenjsc struct wpi_softc *sc = device_get_softc(dev); 675178354Ssam struct ifnet *ifp = sc->sc_ifp; 676200530Sgavin struct ieee80211com *ic; 677278366Sadrian int qid; 678173362Sbenjsc 679278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 680260064Smarius 681200530Sgavin if (ifp != NULL) { 682200530Sgavin ic = ifp->if_l2com; 683191746Sthompsa 684278366Sadrian ieee80211_draintask(ic, &sc->sc_reinittask); 685278366Sadrian ieee80211_draintask(ic, &sc->sc_radiooff_task); 686280052Sadrian ieee80211_draintask(ic, &sc->sc_radioon_task); 687280078Sadrian ieee80211_draintask(ic, &sc->sc_start_task); 688278366Sadrian 689173362Sbenjsc wpi_stop(sc); 690278366Sadrian 691280106Sadrian callout_drain(&sc->watchdog_rfkill); 692280109Sadrian callout_drain(&sc->tx_timeout); 693280106Sadrian callout_drain(&sc->scan_timeout); 694173362Sbenjsc callout_drain(&sc->calib_to); 695173362Sbenjsc ieee80211_ifdetach(ic); 696173362Sbenjsc } 697173362Sbenjsc 698278366Sadrian /* Uninstall interrupt handler. */ 699278366Sadrian if (sc->irq != NULL) { 700278366Sadrian bus_teardown_intr(dev, sc->irq, sc->sc_ih); 701278366Sadrian bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), 702278366Sadrian sc->irq); 703278366Sadrian pci_release_msi(dev); 704278366Sadrian } 705278366Sadrian 706173362Sbenjsc if (sc->txq[0].data_dmat) { 707278366Sadrian /* Free DMA resources. */ 708278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 709278366Sadrian wpi_free_tx_ring(sc, &sc->txq[qid]); 710173362Sbenjsc 711278366Sadrian wpi_free_rx_ring(sc); 712173362Sbenjsc wpi_free_shared(sc); 713173362Sbenjsc } 714173362Sbenjsc 715173362Sbenjsc if (sc->fw_dma.tag) 716173362Sbenjsc wpi_free_fwmem(sc); 717278366Sadrian 718173362Sbenjsc if (sc->mem != NULL) 719260064Smarius bus_release_resource(dev, SYS_RES_MEMORY, 720260064Smarius rman_get_rid(sc->mem), sc->mem); 721173362Sbenjsc 722173362Sbenjsc if (ifp != NULL) 723173362Sbenjsc if_free(ifp); 724173362Sbenjsc 725278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 726280112Sadrian WPI_TXQ_STATE_LOCK_DESTROY(sc); 727280071Sadrian WPI_TXQ_LOCK_DESTROY(sc); 728280077Sadrian WPI_NT_LOCK_DESTROY(sc); 729280108Sadrian WPI_RXON_LOCK_DESTROY(sc); 730280113Sadrian WPI_TX_LOCK_DESTROY(sc); 731173362Sbenjsc WPI_LOCK_DESTROY(sc); 732278366Sadrian return 0; 733278366Sadrian} 734173362Sbenjsc 735278366Sadrianstatic int 736278366Sadrianwpi_shutdown(device_t dev) 737278366Sadrian{ 738278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 739278366Sadrian 740278366Sadrian wpi_stop(sc); 741173362Sbenjsc return 0; 742173362Sbenjsc} 743173362Sbenjsc 744278366Sadrianstatic int 745278366Sadrianwpi_suspend(device_t dev) 746178354Ssam{ 747278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 748278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 749178354Ssam 750278366Sadrian ieee80211_suspend_all(ic); 751278366Sadrian return 0; 752278366Sadrian} 753178354Ssam 754278366Sadrianstatic int 755278366Sadrianwpi_resume(device_t dev) 756278366Sadrian{ 757278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 758278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 759278366Sadrian 760278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 761278366Sadrian pci_write_config(dev, 0x41, 0, 1); 762278366Sadrian 763278366Sadrian ieee80211_resume_all(ic); 764278366Sadrian return 0; 765178354Ssam} 766178354Ssam 767278366Sadrian/* 768278366Sadrian * Grab exclusive access to NIC memory. 769278366Sadrian */ 770278366Sadrianstatic int 771278366Sadrianwpi_nic_lock(struct wpi_softc *sc) 772178354Ssam{ 773278366Sadrian int ntries; 774178354Ssam 775278366Sadrian /* Request exclusive access to NIC. */ 776278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 777278366Sadrian 778278366Sadrian /* Spin until we actually get the lock. */ 779278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 780278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & 781280059Sadrian (WPI_GP_CNTRL_MAC_ACCESS_ENA | WPI_GP_CNTRL_SLEEP)) == 782278366Sadrian WPI_GP_CNTRL_MAC_ACCESS_ENA) 783278366Sadrian return 0; 784278366Sadrian DELAY(10); 785278366Sadrian } 786278366Sadrian 787278366Sadrian device_printf(sc->sc_dev, "could not lock memory\n"); 788278366Sadrian 789278366Sadrian return ETIMEDOUT; 790178354Ssam} 791178354Ssam 792278366Sadrian/* 793278366Sadrian * Release lock on NIC memory. 794278366Sadrian */ 795278366Sadrianstatic __inline void 796278366Sadrianwpi_nic_unlock(struct wpi_softc *sc) 797278366Sadrian{ 798278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 799278366Sadrian} 800278366Sadrian 801278366Sadrianstatic __inline uint32_t 802278366Sadrianwpi_prph_read(struct wpi_softc *sc, uint32_t addr) 803278366Sadrian{ 804278366Sadrian WPI_WRITE(sc, WPI_PRPH_RADDR, WPI_PRPH_DWORD | addr); 805278366Sadrian WPI_BARRIER_READ_WRITE(sc); 806278366Sadrian return WPI_READ(sc, WPI_PRPH_RDATA); 807278366Sadrian} 808278366Sadrian 809278366Sadrianstatic __inline void 810278366Sadrianwpi_prph_write(struct wpi_softc *sc, uint32_t addr, uint32_t data) 811278366Sadrian{ 812278366Sadrian WPI_WRITE(sc, WPI_PRPH_WADDR, WPI_PRPH_DWORD | addr); 813278366Sadrian WPI_BARRIER_WRITE(sc); 814278366Sadrian WPI_WRITE(sc, WPI_PRPH_WDATA, data); 815278366Sadrian} 816278366Sadrian 817278366Sadrianstatic __inline void 818278366Sadrianwpi_prph_setbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 819278366Sadrian{ 820278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) | mask); 821278366Sadrian} 822278366Sadrian 823278366Sadrianstatic __inline void 824278366Sadrianwpi_prph_clrbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 825278366Sadrian{ 826278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) & ~mask); 827278366Sadrian} 828278366Sadrian 829278366Sadrianstatic __inline void 830278366Sadrianwpi_prph_write_region_4(struct wpi_softc *sc, uint32_t addr, 831278366Sadrian const uint32_t *data, int count) 832278366Sadrian{ 833278366Sadrian for (; count > 0; count--, data++, addr += 4) 834278366Sadrian wpi_prph_write(sc, addr, *data); 835278366Sadrian} 836278366Sadrian 837278366Sadrianstatic __inline uint32_t 838278366Sadrianwpi_mem_read(struct wpi_softc *sc, uint32_t addr) 839278366Sadrian{ 840278366Sadrian WPI_WRITE(sc, WPI_MEM_RADDR, addr); 841278366Sadrian WPI_BARRIER_READ_WRITE(sc); 842278366Sadrian return WPI_READ(sc, WPI_MEM_RDATA); 843278366Sadrian} 844278366Sadrian 845278366Sadrianstatic __inline void 846278366Sadrianwpi_mem_read_region_4(struct wpi_softc *sc, uint32_t addr, uint32_t *data, 847278366Sadrian int count) 848278366Sadrian{ 849278366Sadrian for (; count > 0; count--, addr += 4) 850278366Sadrian *data++ = wpi_mem_read(sc, addr); 851278366Sadrian} 852278366Sadrian 853278366Sadrianstatic int 854278366Sadrianwpi_read_prom_data(struct wpi_softc *sc, uint32_t addr, void *data, int count) 855278366Sadrian{ 856278366Sadrian uint8_t *out = data; 857278366Sadrian uint32_t val; 858278366Sadrian int error, ntries; 859278366Sadrian 860278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 861278366Sadrian 862278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 863278366Sadrian return error; 864278366Sadrian 865278366Sadrian for (; count > 0; count -= 2, addr++) { 866278366Sadrian WPI_WRITE(sc, WPI_EEPROM, addr << 2); 867278366Sadrian for (ntries = 0; ntries < 10; ntries++) { 868278366Sadrian val = WPI_READ(sc, WPI_EEPROM); 869278366Sadrian if (val & WPI_EEPROM_READ_VALID) 870278366Sadrian break; 871278366Sadrian DELAY(5); 872278366Sadrian } 873278366Sadrian if (ntries == 10) { 874278366Sadrian device_printf(sc->sc_dev, 875278366Sadrian "timeout reading ROM at 0x%x\n", addr); 876278366Sadrian return ETIMEDOUT; 877278366Sadrian } 878278366Sadrian *out++= val >> 16; 879278366Sadrian if (count > 1) 880278366Sadrian *out ++= val >> 24; 881278366Sadrian } 882278366Sadrian 883278366Sadrian wpi_nic_unlock(sc); 884278366Sadrian 885278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 886278366Sadrian 887278366Sadrian return 0; 888278366Sadrian} 889278366Sadrian 890178354Ssamstatic void 891173362Sbenjscwpi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 892173362Sbenjsc{ 893173362Sbenjsc if (error != 0) 894173362Sbenjsc return; 895173362Sbenjsc KASSERT(nsegs == 1, ("too many DMA segments, %d should be 1", nsegs)); 896173362Sbenjsc *(bus_addr_t *)arg = segs[0].ds_addr; 897173362Sbenjsc} 898173362Sbenjsc 899177043Sthompsa/* 900177043Sthompsa * Allocates a contiguous block of dma memory of the requested size and 901278366Sadrian * alignment. 902177043Sthompsa */ 903173362Sbenjscstatic int 904173362Sbenjscwpi_dma_contig_alloc(struct wpi_softc *sc, struct wpi_dma_info *dma, 905278366Sadrian void **kvap, bus_size_t size, bus_size_t alignment) 906173362Sbenjsc{ 907173362Sbenjsc int error; 908173362Sbenjsc 909278366Sadrian dma->tag = NULL; 910173362Sbenjsc dma->size = size; 911173362Sbenjsc 912278366Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), alignment, 913278366Sadrian 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, size, 914278366Sadrian 1, size, BUS_DMA_NOWAIT, NULL, NULL, &dma->tag); 915278366Sadrian if (error != 0) 916173362Sbenjsc goto fail; 917278366Sadrian 918278366Sadrian error = bus_dmamem_alloc(dma->tag, (void **)&dma->vaddr, 919278366Sadrian BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, &dma->map); 920278366Sadrian if (error != 0) 921173362Sbenjsc goto fail; 922173362Sbenjsc 923278366Sadrian error = bus_dmamap_load(dma->tag, dma->map, dma->vaddr, size, 924278366Sadrian wpi_dma_map_addr, &dma->paddr, BUS_DMA_NOWAIT); 925278366Sadrian if (error != 0) 926278366Sadrian goto fail; 927177043Sthompsa 928278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 929177043Sthompsa 930173362Sbenjsc if (kvap != NULL) 931173362Sbenjsc *kvap = dma->vaddr; 932173362Sbenjsc 933173362Sbenjsc return 0; 934173362Sbenjsc 935278366Sadrianfail: wpi_dma_contig_free(dma); 936173362Sbenjsc return error; 937173362Sbenjsc} 938173362Sbenjsc 939173362Sbenjscstatic void 940173362Sbenjscwpi_dma_contig_free(struct wpi_dma_info *dma) 941173362Sbenjsc{ 942278366Sadrian if (dma->vaddr != NULL) { 943278366Sadrian bus_dmamap_sync(dma->tag, dma->map, 944278366Sadrian BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 945278366Sadrian bus_dmamap_unload(dma->tag, dma->map); 946278366Sadrian bus_dmamem_free(dma->tag, dma->vaddr, dma->map); 947278366Sadrian dma->vaddr = NULL; 948278366Sadrian } 949278366Sadrian if (dma->tag != NULL) { 950173362Sbenjsc bus_dma_tag_destroy(dma->tag); 951278366Sadrian dma->tag = NULL; 952173362Sbenjsc } 953173362Sbenjsc} 954173362Sbenjsc 955173362Sbenjsc/* 956173362Sbenjsc * Allocate a shared page between host and NIC. 957173362Sbenjsc */ 958173362Sbenjscstatic int 959173362Sbenjscwpi_alloc_shared(struct wpi_softc *sc) 960173362Sbenjsc{ 961278366Sadrian /* Shared buffer must be aligned on a 4KB boundary. */ 962278366Sadrian return wpi_dma_contig_alloc(sc, &sc->shared_dma, 963278366Sadrian (void **)&sc->shared, sizeof (struct wpi_shared), 4096); 964173362Sbenjsc} 965173362Sbenjsc 966173362Sbenjscstatic void 967173362Sbenjscwpi_free_shared(struct wpi_softc *sc) 968173362Sbenjsc{ 969173362Sbenjsc wpi_dma_contig_free(&sc->shared_dma); 970173362Sbenjsc} 971173362Sbenjsc 972278366Sadrian/* 973278366Sadrian * Allocate DMA-safe memory for firmware transfer. 974278366Sadrian */ 975173362Sbenjscstatic int 976278366Sadrianwpi_alloc_fwmem(struct wpi_softc *sc) 977173362Sbenjsc{ 978278366Sadrian /* Must be aligned on a 16-byte boundary. */ 979278366Sadrian return wpi_dma_contig_alloc(sc, &sc->fw_dma, NULL, 980278366Sadrian WPI_FW_TEXT_MAXSZ + WPI_FW_DATA_MAXSZ, 16); 981278366Sadrian} 982173362Sbenjsc 983278366Sadrianstatic void 984278366Sadrianwpi_free_fwmem(struct wpi_softc *sc) 985278366Sadrian{ 986278366Sadrian wpi_dma_contig_free(&sc->fw_dma); 987278366Sadrian} 988278366Sadrian 989278366Sadrianstatic int 990278366Sadrianwpi_alloc_rx_ring(struct wpi_softc *sc) 991278366Sadrian{ 992278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 993278366Sadrian bus_size_t size; 994173362Sbenjsc int i, error; 995173362Sbenjsc 996173362Sbenjsc ring->cur = 0; 997278366Sadrian ring->update = 0; 998173362Sbenjsc 999278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1000278366Sadrian 1001278366Sadrian /* Allocate RX descriptors (16KB aligned.) */ 1002278366Sadrian size = WPI_RX_RING_COUNT * sizeof (uint32_t); 1003173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->desc_dma, 1004278366Sadrian (void **)&ring->desc, size, WPI_RING_DMA_ALIGN); 1005173362Sbenjsc if (error != 0) { 1006177043Sthompsa device_printf(sc->sc_dev, 1007278366Sadrian "%s: could not allocate RX ring DMA memory, error %d\n", 1008177043Sthompsa __func__, error); 1009177043Sthompsa goto fail; 1010173362Sbenjsc } 1011173362Sbenjsc 1012278366Sadrian /* Create RX buffer DMA tag. */ 1013280059Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1014278366Sadrian BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 1015278366Sadrian MJUMPAGESIZE, 1, MJUMPAGESIZE, BUS_DMA_NOWAIT, NULL, NULL, 1016278366Sadrian &ring->data_dmat); 1017280059Sadrian if (error != 0) { 1018280059Sadrian device_printf(sc->sc_dev, 1019278366Sadrian "%s: could not create RX buf DMA tag, error %d\n", 1020177043Sthompsa __func__, error); 1021280059Sadrian goto fail; 1022280059Sadrian } 1023177043Sthompsa 1024173362Sbenjsc /* 1025278366Sadrian * Allocate and map RX buffers. 1026173362Sbenjsc */ 1027173362Sbenjsc for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1028177043Sthompsa struct wpi_rx_data *data = &ring->data[i]; 1029177043Sthompsa bus_addr_t paddr; 1030173362Sbenjsc 1031177043Sthompsa error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1032177043Sthompsa if (error != 0) { 1033173362Sbenjsc device_printf(sc->sc_dev, 1034278366Sadrian "%s: could not create RX buf DMA map, error %d\n", 1035177043Sthompsa __func__, error); 1036173362Sbenjsc goto fail; 1037173362Sbenjsc } 1038278366Sadrian 1039278366Sadrian data->m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1040278366Sadrian if (data->m == NULL) { 1041173362Sbenjsc device_printf(sc->sc_dev, 1042278366Sadrian "%s: could not allocate RX mbuf\n", __func__); 1043278366Sadrian error = ENOBUFS; 1044173362Sbenjsc goto fail; 1045173362Sbenjsc } 1046278366Sadrian 1047177043Sthompsa error = bus_dmamap_load(ring->data_dmat, data->map, 1048278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1049278366Sadrian &paddr, BUS_DMA_NOWAIT); 1050177043Sthompsa if (error != 0 && error != EFBIG) { 1051177043Sthompsa device_printf(sc->sc_dev, 1052278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, 1053278366Sadrian error); 1054173362Sbenjsc goto fail; 1055173362Sbenjsc } 1056177043Sthompsa 1057278366Sadrian /* Set physical address of RX buffer. */ 1058177043Sthompsa ring->desc[i] = htole32(paddr); 1059173362Sbenjsc } 1060278366Sadrian 1061173362Sbenjsc bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1062173362Sbenjsc BUS_DMASYNC_PREWRITE); 1063278366Sadrian 1064278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1065278366Sadrian 1066173362Sbenjsc return 0; 1067278366Sadrian 1068278366Sadrianfail: wpi_free_rx_ring(sc); 1069278366Sadrian 1070278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1071278366Sadrian 1072173362Sbenjsc return error; 1073173362Sbenjsc} 1074173362Sbenjsc 1075173362Sbenjscstatic void 1076278366Sadrianwpi_update_rx_ring(struct wpi_softc *sc) 1077173362Sbenjsc{ 1078278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1079173362Sbenjsc 1080280056Sadrian if (ring->update != 0) { 1081280056Sadrian /* Wait for INT_WAKEUP event. */ 1082280056Sadrian return; 1083280056Sadrian } 1084280056Sadrian 1085278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1086278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s: wakeup request\n", 1087278366Sadrian __func__); 1088173362Sbenjsc 1089278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1090278366Sadrian ring->update = 1; 1091278366Sadrian } else 1092278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, ring->cur & ~7); 1093278366Sadrian} 1094173362Sbenjsc 1095278366Sadrianstatic void 1096278366Sadrianwpi_reset_rx_ring(struct wpi_softc *sc) 1097278366Sadrian{ 1098278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1099278366Sadrian int ntries; 1100173362Sbenjsc 1101278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1102173362Sbenjsc 1103278366Sadrian if (wpi_nic_lock(sc) == 0) { 1104278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 0); 1105278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 1106278366Sadrian if (WPI_READ(sc, WPI_FH_RX_STATUS) & 1107278366Sadrian WPI_FH_RX_STATUS_IDLE) 1108278366Sadrian break; 1109278366Sadrian DELAY(10); 1110278366Sadrian } 1111278366Sadrian wpi_nic_unlock(sc); 1112278366Sadrian } 1113173362Sbenjsc 1114173362Sbenjsc ring->cur = 0; 1115278366Sadrian ring->update = 0; 1116173362Sbenjsc} 1117173362Sbenjsc 1118173362Sbenjscstatic void 1119278366Sadrianwpi_free_rx_ring(struct wpi_softc *sc) 1120173362Sbenjsc{ 1121278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1122173362Sbenjsc int i; 1123173362Sbenjsc 1124278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1125278366Sadrian 1126173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1127173362Sbenjsc 1128216824Sbschmidt for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1129216824Sbschmidt struct wpi_rx_data *data = &ring->data[i]; 1130216824Sbschmidt 1131216824Sbschmidt if (data->m != NULL) { 1132216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, 1133216824Sbschmidt BUS_DMASYNC_POSTREAD); 1134216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1135216824Sbschmidt m_freem(data->m); 1136278366Sadrian data->m = NULL; 1137216824Sbschmidt } 1138216824Sbschmidt if (data->map != NULL) 1139216824Sbschmidt bus_dmamap_destroy(ring->data_dmat, data->map); 1140216824Sbschmidt } 1141278366Sadrian if (ring->data_dmat != NULL) { 1142278366Sadrian bus_dma_tag_destroy(ring->data_dmat); 1143278366Sadrian ring->data_dmat = NULL; 1144278366Sadrian } 1145173362Sbenjsc} 1146173362Sbenjsc 1147173362Sbenjscstatic int 1148278366Sadrianwpi_alloc_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring, int qid) 1149173362Sbenjsc{ 1150278366Sadrian bus_addr_t paddr; 1151278366Sadrian bus_size_t size; 1152173362Sbenjsc int i, error; 1153173362Sbenjsc 1154173362Sbenjsc ring->qid = qid; 1155173362Sbenjsc ring->queued = 0; 1156173362Sbenjsc ring->cur = 0; 1157278366Sadrian ring->update = 0; 1158173362Sbenjsc 1159278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1160173362Sbenjsc 1161278366Sadrian /* Allocate TX descriptors (16KB aligned.) */ 1162278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_desc); 1163278366Sadrian error = wpi_dma_contig_alloc(sc, &ring->desc_dma, (void **)&ring->desc, 1164278366Sadrian size, WPI_RING_DMA_ALIGN); 1165173362Sbenjsc if (error != 0) { 1166278366Sadrian device_printf(sc->sc_dev, 1167278366Sadrian "%s: could not allocate TX ring DMA memory, error %d\n", 1168278366Sadrian __func__, error); 1169278366Sadrian goto fail; 1170173362Sbenjsc } 1171173362Sbenjsc 1172278366Sadrian /* Update shared area with ring physical address. */ 1173173362Sbenjsc sc->shared->txbase[qid] = htole32(ring->desc_dma.paddr); 1174278366Sadrian bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 1175278366Sadrian BUS_DMASYNC_PREWRITE); 1176173362Sbenjsc 1177278366Sadrian /* 1178278366Sadrian * We only use rings 0 through 4 (4 EDCA + cmd) so there is no need 1179278366Sadrian * to allocate commands space for other rings. 1180278366Sadrian * XXX Do we really need to allocate descriptors for other rings? 1181278366Sadrian */ 1182280101Sadrian if (qid > WPI_CMD_QUEUE_NUM) { 1183280101Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1184278366Sadrian return 0; 1185280101Sadrian } 1186278366Sadrian 1187278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_cmd); 1188173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->cmd_dma, (void **)&ring->cmd, 1189278366Sadrian size, 4); 1190173362Sbenjsc if (error != 0) { 1191173362Sbenjsc device_printf(sc->sc_dev, 1192278366Sadrian "%s: could not allocate TX cmd DMA memory, error %d\n", 1193278366Sadrian __func__, error); 1194173362Sbenjsc goto fail; 1195173362Sbenjsc } 1196173362Sbenjsc 1197173362Sbenjsc error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1198173362Sbenjsc BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1199173362Sbenjsc WPI_MAX_SCATTER - 1, MCLBYTES, BUS_DMA_NOWAIT, NULL, NULL, 1200173362Sbenjsc &ring->data_dmat); 1201173362Sbenjsc if (error != 0) { 1202278366Sadrian device_printf(sc->sc_dev, 1203278366Sadrian "%s: could not create TX buf DMA tag, error %d\n", 1204278366Sadrian __func__, error); 1205173362Sbenjsc goto fail; 1206173362Sbenjsc } 1207173362Sbenjsc 1208278366Sadrian paddr = ring->cmd_dma.paddr; 1209278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1210278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1211173362Sbenjsc 1212278366Sadrian data->cmd_paddr = paddr; 1213278366Sadrian paddr += sizeof (struct wpi_tx_cmd); 1214278366Sadrian 1215173362Sbenjsc error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1216173362Sbenjsc if (error != 0) { 1217173362Sbenjsc device_printf(sc->sc_dev, 1218278366Sadrian "%s: could not create TX buf DMA map, error %d\n", 1219278366Sadrian __func__, error); 1220173362Sbenjsc goto fail; 1221173362Sbenjsc } 1222173362Sbenjsc } 1223173362Sbenjsc 1224278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1225278366Sadrian 1226173362Sbenjsc return 0; 1227173362Sbenjsc 1228278366Sadrianfail: wpi_free_tx_ring(sc, ring); 1229278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1230173362Sbenjsc return error; 1231173362Sbenjsc} 1232173362Sbenjsc 1233173362Sbenjscstatic void 1234278366Sadrianwpi_update_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1235278366Sadrian{ 1236280056Sadrian if (ring->update != 0) { 1237280056Sadrian /* Wait for INT_WAKEUP event. */ 1238280056Sadrian return; 1239280056Sadrian } 1240280056Sadrian 1241278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1242278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s (%d): requesting wakeup\n", 1243278366Sadrian __func__, ring->qid); 1244278366Sadrian 1245278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1246278366Sadrian ring->update = 1; 1247278366Sadrian } else 1248278366Sadrian WPI_WRITE(sc, WPI_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur); 1249278366Sadrian} 1250278366Sadrian 1251278366Sadrianstatic void 1252173362Sbenjscwpi_reset_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1253173362Sbenjsc{ 1254278366Sadrian int i; 1255173362Sbenjsc 1256278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1257173362Sbenjsc 1258278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1259278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1260173362Sbenjsc 1261173362Sbenjsc if (data->m != NULL) { 1262278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1263278366Sadrian BUS_DMASYNC_POSTWRITE); 1264173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1265173362Sbenjsc m_freem(data->m); 1266173362Sbenjsc data->m = NULL; 1267173362Sbenjsc } 1268173362Sbenjsc } 1269278366Sadrian /* Clear TX descriptors. */ 1270278366Sadrian memset(ring->desc, 0, ring->desc_dma.size); 1271278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1272278366Sadrian BUS_DMASYNC_PREWRITE); 1273278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1274173362Sbenjsc ring->queued = 0; 1275173362Sbenjsc ring->cur = 0; 1276278366Sadrian ring->update = 0; 1277173362Sbenjsc} 1278173362Sbenjsc 1279173362Sbenjscstatic void 1280173362Sbenjscwpi_free_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1281173362Sbenjsc{ 1282173362Sbenjsc int i; 1283173362Sbenjsc 1284278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1285278366Sadrian 1286173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1287173362Sbenjsc wpi_dma_contig_free(&ring->cmd_dma); 1288173362Sbenjsc 1289278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1290278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1291173362Sbenjsc 1292278366Sadrian if (data->m != NULL) { 1293278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1294278366Sadrian BUS_DMASYNC_POSTWRITE); 1295278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1296278366Sadrian m_freem(data->m); 1297173362Sbenjsc } 1298278366Sadrian if (data->map != NULL) 1299278366Sadrian bus_dmamap_destroy(ring->data_dmat, data->map); 1300173362Sbenjsc } 1301278366Sadrian if (ring->data_dmat != NULL) { 1302173362Sbenjsc bus_dma_tag_destroy(ring->data_dmat); 1303278366Sadrian ring->data_dmat = NULL; 1304278366Sadrian } 1305173362Sbenjsc} 1306173362Sbenjsc 1307278366Sadrian/* 1308278366Sadrian * Extract various information from EEPROM. 1309278366Sadrian */ 1310173362Sbenjscstatic int 1311278366Sadrianwpi_read_eeprom(struct wpi_softc *sc, uint8_t macaddr[IEEE80211_ADDR_LEN]) 1312173362Sbenjsc{ 1313278366Sadrian#define WPI_CHK(res) do { \ 1314278366Sadrian if ((error = res) != 0) \ 1315278366Sadrian goto fail; \ 1316278366Sadrian} while (0) 1317278366Sadrian int error, i; 1318173362Sbenjsc 1319278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1320173362Sbenjsc 1321278366Sadrian /* Adapter has to be powered on for EEPROM access to work. */ 1322278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 1323278366Sadrian device_printf(sc->sc_dev, 1324278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 1325278366Sadrian error); 1326278366Sadrian return error; 1327278366Sadrian } 1328278366Sadrian 1329278366Sadrian if ((WPI_READ(sc, WPI_EEPROM_GP) & 0x6) == 0) { 1330278366Sadrian device_printf(sc->sc_dev, "bad EEPROM signature\n"); 1331278366Sadrian error = EIO; 1332278366Sadrian goto fail; 1333278366Sadrian } 1334278366Sadrian /* Clear HW ownership of EEPROM. */ 1335278366Sadrian WPI_CLRBITS(sc, WPI_EEPROM_GP, WPI_EEPROM_GP_IF_OWNER); 1336278366Sadrian 1337278366Sadrian /* Read the hardware capabilities, revision and SKU type. */ 1338278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_SKU_CAP, &sc->cap, 1339278366Sadrian sizeof(sc->cap))); 1340278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_REVISION, &sc->rev, 1341278366Sadrian sizeof(sc->rev))); 1342278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_TYPE, &sc->type, 1343278366Sadrian sizeof(sc->type))); 1344278366Sadrian 1345280076Sadrian sc->rev = le16toh(sc->rev); 1346280066Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, "cap=%x rev=%x type=%x\n", sc->cap, 1347280076Sadrian sc->rev, sc->type); 1348278366Sadrian 1349278366Sadrian /* Read the regulatory domain (4 ASCII characters.) */ 1350278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_DOMAIN, sc->domain, 1351278366Sadrian sizeof(sc->domain))); 1352278366Sadrian 1353278366Sadrian /* Read MAC address. */ 1354278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_MAC, macaddr, 1355278366Sadrian IEEE80211_ADDR_LEN)); 1356278366Sadrian 1357278366Sadrian /* Read the list of authorized channels. */ 1358278366Sadrian for (i = 0; i < WPI_CHAN_BANDS_COUNT; i++) 1359278366Sadrian WPI_CHK(wpi_read_eeprom_channels(sc, i)); 1360278366Sadrian 1361278366Sadrian /* Read the list of TX power groups. */ 1362278366Sadrian for (i = 0; i < WPI_POWER_GROUPS_COUNT; i++) 1363278366Sadrian WPI_CHK(wpi_read_eeprom_group(sc, i)); 1364278366Sadrian 1365278366Sadrianfail: wpi_apm_stop(sc); /* Power OFF adapter. */ 1366278366Sadrian 1367278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, error ? TRACE_STR_END_ERR : TRACE_STR_END, 1368278366Sadrian __func__); 1369278366Sadrian 1370278366Sadrian return error; 1371278366Sadrian#undef WPI_CHK 1372278366Sadrian} 1373278366Sadrian 1374278366Sadrian/* 1375278366Sadrian * Translate EEPROM flags to net80211. 1376278366Sadrian */ 1377278366Sadrianstatic uint32_t 1378278366Sadrianwpi_eeprom_channel_flags(struct wpi_eeprom_chan *channel) 1379278366Sadrian{ 1380278366Sadrian uint32_t nflags; 1381278366Sadrian 1382278366Sadrian nflags = 0; 1383278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_ACTIVE) == 0) 1384278366Sadrian nflags |= IEEE80211_CHAN_PASSIVE; 1385278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_IBSS) == 0) 1386278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1387278366Sadrian if (channel->flags & WPI_EEPROM_CHAN_RADAR) { 1388278366Sadrian nflags |= IEEE80211_CHAN_DFS; 1389278366Sadrian /* XXX apparently IBSS may still be marked */ 1390278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1391278366Sadrian } 1392278366Sadrian 1393280105Sadrian /* XXX HOSTAP uses WPI_MODE_IBSS */ 1394280105Sadrian if (nflags & IEEE80211_CHAN_NOADHOC) 1395280105Sadrian nflags |= IEEE80211_CHAN_NOHOSTAP; 1396280105Sadrian 1397278366Sadrian return nflags; 1398278366Sadrian} 1399278366Sadrian 1400278366Sadrianstatic void 1401278366Sadrianwpi_read_eeprom_band(struct wpi_softc *sc, int n) 1402278366Sadrian{ 1403278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1404278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1405278366Sadrian struct wpi_eeprom_chan *channels = sc->eeprom_channels[n]; 1406278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1407278366Sadrian struct ieee80211_channel *c; 1408278366Sadrian uint8_t chan; 1409278366Sadrian int i, nflags; 1410278366Sadrian 1411278366Sadrian for (i = 0; i < band->nchan; i++) { 1412278366Sadrian if (!(channels[i].flags & WPI_EEPROM_CHAN_VALID)) { 1413280080Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1414278366Sadrian "Channel Not Valid: %d, band %d\n", 1415278366Sadrian band->chan[i],n); 1416278366Sadrian continue; 1417278366Sadrian } 1418278366Sadrian 1419278366Sadrian chan = band->chan[i]; 1420278366Sadrian nflags = wpi_eeprom_channel_flags(&channels[i]); 1421278366Sadrian 1422278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1423278366Sadrian c->ic_ieee = chan; 1424278366Sadrian c->ic_maxregpower = channels[i].maxpwr; 1425278366Sadrian c->ic_maxpower = 2*c->ic_maxregpower; 1426278366Sadrian 1427278366Sadrian if (n == 0) { /* 2GHz band */ 1428280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1429280066Sadrian IEEE80211_CHAN_G); 1430280066Sadrian 1431278366Sadrian /* G =>'s B is supported */ 1432278366Sadrian c->ic_flags = IEEE80211_CHAN_B | nflags; 1433278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1434278366Sadrian c[0] = c[-1]; 1435278366Sadrian c->ic_flags = IEEE80211_CHAN_G | nflags; 1436278366Sadrian } else { /* 5GHz band */ 1437280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1438280066Sadrian IEEE80211_CHAN_A); 1439280066Sadrian 1440278366Sadrian c->ic_flags = IEEE80211_CHAN_A | nflags; 1441278366Sadrian } 1442278366Sadrian 1443278366Sadrian /* Save maximum allowed TX power for this channel. */ 1444278366Sadrian sc->maxpwr[chan] = channels[i].maxpwr; 1445278366Sadrian 1446278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1447278366Sadrian "adding chan %d (%dMHz) flags=0x%x maxpwr=%d passive=%d," 1448278366Sadrian " offset %d\n", chan, c->ic_freq, 1449278366Sadrian channels[i].flags, sc->maxpwr[chan], 1450278764Sadrian IEEE80211_IS_CHAN_PASSIVE(c), ic->ic_nchans); 1451278366Sadrian } 1452278366Sadrian} 1453278366Sadrian 1454278366Sadrian/** 1455278366Sadrian * Read the eeprom to find out what channels are valid for the given 1456278366Sadrian * band and update net80211 with what we find. 1457278366Sadrian */ 1458278366Sadrianstatic int 1459278366Sadrianwpi_read_eeprom_channels(struct wpi_softc *sc, int n) 1460278366Sadrian{ 1461278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1462278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1463278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1464278366Sadrian int error; 1465278366Sadrian 1466278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1467278366Sadrian 1468278366Sadrian error = wpi_read_prom_data(sc, band->addr, &sc->eeprom_channels[n], 1469278366Sadrian band->nchan * sizeof (struct wpi_eeprom_chan)); 1470278366Sadrian if (error != 0) { 1471278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1472278366Sadrian return error; 1473278366Sadrian } 1474278366Sadrian 1475278366Sadrian wpi_read_eeprom_band(sc, n); 1476278366Sadrian 1477278366Sadrian ieee80211_sort_channels(ic->ic_channels, ic->ic_nchans); 1478278366Sadrian 1479278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1480278366Sadrian 1481173362Sbenjsc return 0; 1482173362Sbenjsc} 1483173362Sbenjsc 1484278366Sadrianstatic struct wpi_eeprom_chan * 1485278366Sadrianwpi_find_eeprom_channel(struct wpi_softc *sc, struct ieee80211_channel *c) 1486278366Sadrian{ 1487278366Sadrian int i, j; 1488278366Sadrian 1489278366Sadrian for (j = 0; j < WPI_CHAN_BANDS_COUNT; j++) 1490278366Sadrian for (i = 0; i < wpi_bands[j].nchan; i++) 1491278366Sadrian if (wpi_bands[j].chan[i] == c->ic_ieee) 1492278366Sadrian return &sc->eeprom_channels[j][i]; 1493278366Sadrian 1494278366Sadrian return NULL; 1495278366Sadrian} 1496278366Sadrian 1497278366Sadrian/* 1498278366Sadrian * Enforce flags read from EEPROM. 1499278366Sadrian */ 1500173362Sbenjscstatic int 1501278366Sadrianwpi_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *rd, 1502278366Sadrian int nchan, struct ieee80211_channel chans[]) 1503173362Sbenjsc{ 1504278366Sadrian struct ifnet *ifp = ic->ic_ifp; 1505278366Sadrian struct wpi_softc *sc = ifp->if_softc; 1506278366Sadrian int i; 1507173362Sbenjsc 1508278366Sadrian for (i = 0; i < nchan; i++) { 1509278366Sadrian struct ieee80211_channel *c = &chans[i]; 1510278366Sadrian struct wpi_eeprom_chan *channel; 1511278366Sadrian 1512278366Sadrian channel = wpi_find_eeprom_channel(sc, c); 1513278366Sadrian if (channel == NULL) { 1514278366Sadrian if_printf(ic->ic_ifp, 1515278366Sadrian "%s: invalid channel %u freq %u/0x%x\n", 1516278366Sadrian __func__, c->ic_ieee, c->ic_freq, c->ic_flags); 1517278366Sadrian return EINVAL; 1518278366Sadrian } 1519278366Sadrian c->ic_flags |= wpi_eeprom_channel_flags(channel); 1520278366Sadrian } 1521278366Sadrian 1522173362Sbenjsc return 0; 1523173362Sbenjsc} 1524173362Sbenjsc 1525173362Sbenjscstatic int 1526278366Sadrianwpi_read_eeprom_group(struct wpi_softc *sc, int n) 1527173362Sbenjsc{ 1528278366Sadrian struct wpi_power_group *group = &sc->groups[n]; 1529278366Sadrian struct wpi_eeprom_group rgroup; 1530278366Sadrian int i, error; 1531173362Sbenjsc 1532278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1533173362Sbenjsc 1534278366Sadrian if ((error = wpi_read_prom_data(sc, WPI_EEPROM_POWER_GRP + n * 32, 1535278366Sadrian &rgroup, sizeof rgroup)) != 0) { 1536278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1537278366Sadrian return error; 1538278366Sadrian } 1539278366Sadrian 1540278366Sadrian /* Save TX power group information. */ 1541278366Sadrian group->chan = rgroup.chan; 1542278366Sadrian group->maxpwr = rgroup.maxpwr; 1543278366Sadrian /* Retrieve temperature at which the samples were taken. */ 1544278366Sadrian group->temp = (int16_t)le16toh(rgroup.temp); 1545278366Sadrian 1546278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1547278366Sadrian "power group %d: chan=%d maxpwr=%d temp=%d\n", n, group->chan, 1548278366Sadrian group->maxpwr, group->temp); 1549278366Sadrian 1550278366Sadrian for (i = 0; i < WPI_SAMPLES_COUNT; i++) { 1551278366Sadrian group->samples[i].index = rgroup.samples[i].index; 1552278366Sadrian group->samples[i].power = rgroup.samples[i].power; 1553278366Sadrian 1554278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1555278366Sadrian "\tsample %d: index=%d power=%d\n", i, 1556278366Sadrian group->samples[i].index, group->samples[i].power); 1557278366Sadrian } 1558278366Sadrian 1559278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1560278366Sadrian 1561173362Sbenjsc return 0; 1562173362Sbenjsc} 1563173362Sbenjsc 1564280069Sadrianstatic int 1565280069Sadrianwpi_add_node_entry_adhoc(struct wpi_softc *sc) 1566280069Sadrian{ 1567280069Sadrian int newid = WPI_ID_IBSS_MIN; 1568280069Sadrian 1569280069Sadrian for (; newid <= WPI_ID_IBSS_MAX; newid++) { 1570280069Sadrian if ((sc->nodesmsk & (1 << newid)) == 0) { 1571280069Sadrian sc->nodesmsk |= 1 << newid; 1572280069Sadrian return newid; 1573280069Sadrian } 1574280069Sadrian } 1575280069Sadrian 1576280069Sadrian return WPI_ID_UNDEFINED; 1577280069Sadrian} 1578280069Sadrian 1579280069Sadrianstatic __inline int 1580280070Sadrianwpi_add_node_entry_sta(struct wpi_softc *sc) 1581280070Sadrian{ 1582280070Sadrian sc->nodesmsk |= 1 << WPI_ID_BSS; 1583280070Sadrian 1584280070Sadrian return WPI_ID_BSS; 1585280070Sadrian} 1586280070Sadrian 1587280070Sadrianstatic __inline int 1588280069Sadrianwpi_check_node_entry(struct wpi_softc *sc, uint8_t id) 1589280069Sadrian{ 1590280069Sadrian if (id == WPI_ID_UNDEFINED) 1591280069Sadrian return 0; 1592280069Sadrian 1593280069Sadrian return (sc->nodesmsk >> id) & 1; 1594280069Sadrian} 1595280069Sadrian 1596280069Sadrianstatic __inline void 1597280069Sadrianwpi_clear_node_table(struct wpi_softc *sc) 1598280069Sadrian{ 1599280069Sadrian sc->nodesmsk = 0; 1600280069Sadrian} 1601280069Sadrian 1602280069Sadrianstatic __inline void 1603280069Sadrianwpi_del_node_entry(struct wpi_softc *sc, uint8_t id) 1604280069Sadrian{ 1605280069Sadrian sc->nodesmsk &= ~(1 << id); 1606280069Sadrian} 1607280069Sadrian 1608278366Sadrianstatic struct ieee80211_node * 1609278366Sadrianwpi_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 1610278366Sadrian{ 1611278366Sadrian struct wpi_node *wn; 1612278366Sadrian 1613278366Sadrian wn = malloc(sizeof (struct wpi_node), M_80211_NODE, 1614278366Sadrian M_NOWAIT | M_ZERO); 1615278366Sadrian 1616278366Sadrian if (wn == NULL) 1617278366Sadrian return NULL; 1618278366Sadrian 1619278366Sadrian wn->id = WPI_ID_UNDEFINED; 1620278366Sadrian 1621278366Sadrian return &wn->ni; 1622278366Sadrian} 1623278366Sadrian 1624278366Sadrianstatic void 1625278366Sadrianwpi_node_free(struct ieee80211_node *ni) 1626278366Sadrian{ 1627278366Sadrian struct ieee80211com *ic = ni->ni_ic; 1628278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 1629280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 1630278366Sadrian 1631280070Sadrian if (wn->id != WPI_ID_UNDEFINED) { 1632280077Sadrian WPI_NT_LOCK(sc); 1633280069Sadrian if (wpi_check_node_entry(sc, wn->id)) { 1634280069Sadrian wpi_del_node_entry(sc, wn->id); 1635278366Sadrian wpi_del_node(sc, ni); 1636280069Sadrian } 1637280077Sadrian WPI_NT_UNLOCK(sc); 1638278366Sadrian } 1639278366Sadrian 1640278366Sadrian sc->sc_node_free(ni); 1641278366Sadrian} 1642278366Sadrian 1643173362Sbenjsc/** 1644173362Sbenjsc * Called by net80211 when ever there is a change to 80211 state machine 1645173362Sbenjsc */ 1646173362Sbenjscstatic int 1647178354Ssamwpi_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1648173362Sbenjsc{ 1649178354Ssam struct wpi_vap *wvp = WPI_VAP(vap); 1650178354Ssam struct ieee80211com *ic = vap->iv_ic; 1651173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 1652173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 1653278366Sadrian int error = 0; 1654173362Sbenjsc 1655278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1656278366Sadrian 1657278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "%s: %s -> %s\n", __func__, 1658178354Ssam ieee80211_state_name[vap->iv_state], 1659278366Sadrian ieee80211_state_name[nstate]); 1660173362Sbenjsc 1661280118Sadrian if (vap->iv_state == IEEE80211_S_RUN && nstate != IEEE80211_S_RUN) { 1662280118Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 1)) != 0) { 1663280118Sadrian device_printf(sc->sc_dev, 1664280118Sadrian "%s: could not set power saving level\n", 1665280118Sadrian __func__); 1666280118Sadrian return error; 1667280118Sadrian } 1668280118Sadrian } 1669280118Sadrian 1670278366Sadrian switch (nstate) { 1671278366Sadrian case IEEE80211_S_SCAN: 1672280108Sadrian WPI_RXON_LOCK(sc); 1673280105Sadrian if ((sc->rxon.filter & htole32(WPI_FILTER_BSS)) && 1674280105Sadrian vap->iv_opmode != IEEE80211_M_STA) { 1675278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 1676278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 1677278366Sadrian device_printf(sc->sc_dev, 1678278366Sadrian "%s: could not send RXON\n", __func__); 1679278366Sadrian } 1680216238Sbschmidt } 1681280108Sadrian WPI_RXON_UNLOCK(sc); 1682278366Sadrian break; 1683278366Sadrian 1684278366Sadrian case IEEE80211_S_ASSOC: 1685278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1686278366Sadrian break; 1687278366Sadrian /* FALLTHROUGH */ 1688278366Sadrian case IEEE80211_S_AUTH: 1689216238Sbschmidt /* 1690216238Sbschmidt * The node must be registered in the firmware before auth. 1691216238Sbschmidt * Also the associd must be cleared on RUN -> ASSOC 1692216238Sbschmidt * transitions. 1693216238Sbschmidt */ 1694278366Sadrian if ((error = wpi_auth(sc, vap)) != 0) { 1695191746Sthompsa device_printf(sc->sc_dev, 1696278366Sadrian "%s: could not move to AUTH state, error %d\n", 1697191746Sthompsa __func__, error); 1698191746Sthompsa } 1699278366Sadrian break; 1700278366Sadrian 1701278366Sadrian case IEEE80211_S_RUN: 1702278366Sadrian /* 1703278366Sadrian * RUN -> RUN transition; Just restart the timers. 1704278366Sadrian */ 1705278366Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 1706280108Sadrian WPI_RXON_LOCK(sc); 1707278366Sadrian wpi_calib_timeout(sc); 1708280108Sadrian WPI_RXON_UNLOCK(sc); 1709278366Sadrian break; 1710278366Sadrian } 1711278366Sadrian 1712278366Sadrian /* 1713278366Sadrian * !RUN -> RUN requires setting the association id 1714278366Sadrian * which is done with a firmware cmd. We also defer 1715278366Sadrian * starting the timers until that work is done. 1716278366Sadrian */ 1717278366Sadrian if ((error = wpi_run(sc, vap)) != 0) { 1718191746Sthompsa device_printf(sc->sc_dev, 1719278366Sadrian "%s: could not move to RUN state\n", __func__); 1720191746Sthompsa } 1721278366Sadrian break; 1722278366Sadrian 1723278366Sadrian default: 1724278366Sadrian break; 1725178354Ssam } 1726278366Sadrian if (error != 0) { 1727278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1728278366Sadrian return error; 1729278366Sadrian } 1730173362Sbenjsc 1731278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1732173362Sbenjsc 1733280085Sadrian return wvp->wv_newstate(vap, nstate, arg); 1734173362Sbenjsc} 1735173362Sbenjsc 1736173362Sbenjscstatic void 1737278366Sadrianwpi_calib_timeout(void *arg) 1738173362Sbenjsc{ 1739278366Sadrian struct wpi_softc *sc = arg; 1740173362Sbenjsc 1741280107Sadrian if (!(sc->rxon.filter & htole32(WPI_FILTER_BSS))) 1742278366Sadrian return; 1743173362Sbenjsc 1744278366Sadrian wpi_power_calibration(sc); 1745173362Sbenjsc 1746278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 1747173362Sbenjsc} 1748173362Sbenjsc 1749278366Sadrianstatic __inline uint8_t 1750278366Sadrianrate2plcp(const uint8_t rate) 1751173362Sbenjsc{ 1752278366Sadrian switch (rate) { 1753278366Sadrian case 12: return 0xd; 1754278366Sadrian case 18: return 0xf; 1755278366Sadrian case 24: return 0x5; 1756278366Sadrian case 36: return 0x7; 1757278366Sadrian case 48: return 0x9; 1758278366Sadrian case 72: return 0xb; 1759278366Sadrian case 96: return 0x1; 1760278366Sadrian case 108: return 0x3; 1761278366Sadrian case 2: return 10; 1762278366Sadrian case 4: return 20; 1763278366Sadrian case 11: return 55; 1764278366Sadrian case 22: return 110; 1765278366Sadrian default: return 0; 1766173362Sbenjsc } 1767173362Sbenjsc} 1768173362Sbenjsc 1769278366Sadrianstatic __inline uint8_t 1770278366Sadrianplcp2rate(const uint8_t plcp) 1771173362Sbenjsc{ 1772278366Sadrian switch (plcp) { 1773278366Sadrian case 0xd: return 12; 1774278366Sadrian case 0xf: return 18; 1775278366Sadrian case 0x5: return 24; 1776278366Sadrian case 0x7: return 36; 1777278366Sadrian case 0x9: return 48; 1778278366Sadrian case 0xb: return 72; 1779278366Sadrian case 0x1: return 96; 1780278366Sadrian case 0x3: return 108; 1781278366Sadrian case 10: return 2; 1782278366Sadrian case 20: return 4; 1783278366Sadrian case 55: return 11; 1784278366Sadrian case 110: return 22; 1785278366Sadrian default: return 0; 1786173362Sbenjsc } 1787278366Sadrian} 1788173362Sbenjsc 1789278366Sadrian/* Quickly determine if a given rate is CCK or OFDM. */ 1790278366Sadrian#define WPI_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22) 1791173362Sbenjsc 1792173362Sbenjscstatic void 1793278366Sadrianwpi_rx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1794278366Sadrian struct wpi_rx_data *data) 1795173362Sbenjsc{ 1796178354Ssam struct ifnet *ifp = sc->sc_ifp; 1797178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1798173362Sbenjsc struct wpi_rx_ring *ring = &sc->rxq; 1799173362Sbenjsc struct wpi_rx_stat *stat; 1800173362Sbenjsc struct wpi_rx_head *head; 1801173362Sbenjsc struct wpi_rx_tail *tail; 1802278366Sadrian struct ieee80211_frame *wh; 1803173362Sbenjsc struct ieee80211_node *ni; 1804278366Sadrian struct mbuf *m, *m1; 1805177043Sthompsa bus_addr_t paddr; 1806278366Sadrian uint32_t flags; 1807278366Sadrian uint16_t len; 1808177043Sthompsa int error; 1809173362Sbenjsc 1810173362Sbenjsc stat = (struct wpi_rx_stat *)(desc + 1); 1811173362Sbenjsc 1812173362Sbenjsc if (stat->len > WPI_STAT_MAXLEN) { 1813278366Sadrian device_printf(sc->sc_dev, "invalid RX statistic header\n"); 1814278764Sadrian goto fail1; 1815173362Sbenjsc } 1816173362Sbenjsc 1817216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTREAD); 1818173362Sbenjsc head = (struct wpi_rx_head *)((caddr_t)(stat + 1) + stat->len); 1819278366Sadrian len = le16toh(head->len); 1820278366Sadrian tail = (struct wpi_rx_tail *)((caddr_t)(head + 1) + len); 1821278366Sadrian flags = le32toh(tail->flags); 1822173362Sbenjsc 1823278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: idx %d len %d stat len %u rssi %d" 1824278366Sadrian " rate %x chan %d tstamp %ju\n", __func__, ring->cur, 1825278366Sadrian le32toh(desc->len), len, (int8_t)stat->rssi, 1826278366Sadrian head->plcp, head->chan, (uintmax_t)le64toh(tail->tstamp)); 1827173362Sbenjsc 1828278366Sadrian /* Discard frames with a bad FCS early. */ 1829278366Sadrian if ((flags & WPI_RX_NOERROR) != WPI_RX_NOERROR) { 1830278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: RX flags error %x\n", 1831278366Sadrian __func__, flags); 1832278764Sadrian goto fail1; 1833190458Sjmallett } 1834278366Sadrian /* Discard frames that are too short. */ 1835278366Sadrian if (len < sizeof (*wh)) { 1836278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: frame too short: %d\n", 1837278366Sadrian __func__, len); 1838278764Sadrian goto fail1; 1839190458Sjmallett } 1840190458Sjmallett 1841278366Sadrian m1 = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1842278366Sadrian if (m1 == NULL) { 1843278366Sadrian DPRINTF(sc, WPI_DEBUG_ANY, "%s: no mbuf to restock ring\n", 1844278366Sadrian __func__); 1845278764Sadrian goto fail1; 1846177043Sthompsa } 1847216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1848216824Sbschmidt 1849278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, mtod(m1, void *), 1850278366Sadrian MJUMPAGESIZE, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 1851177043Sthompsa if (error != 0 && error != EFBIG) { 1852177043Sthompsa device_printf(sc->sc_dev, 1853177043Sthompsa "%s: bus_dmamap_load failed, error %d\n", __func__, error); 1854278366Sadrian m_freem(m1); 1855278366Sadrian 1856278366Sadrian /* Try to reload the old mbuf. */ 1857278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, 1858278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1859278366Sadrian &paddr, BUS_DMA_NOWAIT); 1860278366Sadrian if (error != 0 && error != EFBIG) { 1861278366Sadrian panic("%s: could not load old RX mbuf", __func__); 1862278366Sadrian } 1863278366Sadrian /* Physical address may have changed. */ 1864278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1865278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->desc_dma.map, 1866278366Sadrian BUS_DMASYNC_PREWRITE); 1867278764Sadrian goto fail1; 1868177043Sthompsa } 1869177043Sthompsa 1870173362Sbenjsc m = data->m; 1871278366Sadrian data->m = m1; 1872278366Sadrian /* Update RX descriptor. */ 1873278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1874278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1875278366Sadrian BUS_DMASYNC_PREWRITE); 1876278366Sadrian 1877278366Sadrian /* Finalize mbuf. */ 1878173362Sbenjsc m->m_pkthdr.rcvif = ifp; 1879173362Sbenjsc m->m_data = (caddr_t)(head + 1); 1880278366Sadrian m->m_pkthdr.len = m->m_len = len; 1881173362Sbenjsc 1882278366Sadrian /* Grab a reference to the source node. */ 1883278366Sadrian wh = mtod(m, struct ieee80211_frame *); 1884173362Sbenjsc 1885278366Sadrian if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) && 1886280088Sadrian (flags & WPI_RX_CIPHER_MASK) == WPI_RX_CIPHER_CCMP) { 1887278366Sadrian /* Check whether decryption was successful or not. */ 1888278366Sadrian if ((flags & WPI_RX_DECRYPT_MASK) != WPI_RX_DECRYPT_OK) { 1889278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, 1890278366Sadrian "CCMP decryption failed 0x%x\n", flags); 1891278764Sadrian goto fail2; 1892278366Sadrian } 1893278366Sadrian m->m_flags |= M_WEP; 1894278366Sadrian } 1895278366Sadrian 1896280088Sadrian ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1897280088Sadrian 1898192468Ssam if (ieee80211_radiotap_active(ic)) { 1899173362Sbenjsc struct wpi_rx_radiotap_header *tap = &sc->sc_rxtap; 1900173362Sbenjsc 1901173362Sbenjsc tap->wr_flags = 0; 1902278366Sadrian if (head->flags & htole16(WPI_STAT_FLAG_SHPREAMBLE)) 1903278366Sadrian tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 1904280064Sadrian tap->wr_dbm_antsignal = (int8_t)(stat->rssi + WPI_RSSI_OFFSET); 1905280081Sadrian tap->wr_dbm_antnoise = WPI_RSSI_OFFSET; 1906173362Sbenjsc tap->wr_tsft = tail->tstamp; 1907173362Sbenjsc tap->wr_antenna = (le16toh(head->flags) >> 4) & 0xf; 1908278366Sadrian tap->wr_rate = plcp2rate(head->plcp); 1909173362Sbenjsc } 1910173362Sbenjsc 1911173362Sbenjsc WPI_UNLOCK(sc); 1912173362Sbenjsc 1913278366Sadrian /* Send the frame to the 802.11 layer. */ 1914178354Ssam if (ni != NULL) { 1915280064Sadrian (void)ieee80211_input(ni, m, stat->rssi, WPI_RSSI_OFFSET); 1916278366Sadrian /* Node is no longer needed. */ 1917178354Ssam ieee80211_free_node(ni); 1918178354Ssam } else 1919280064Sadrian (void)ieee80211_input_all(ic, m, stat->rssi, WPI_RSSI_OFFSET); 1920173362Sbenjsc 1921173362Sbenjsc WPI_LOCK(sc); 1922278764Sadrian 1923278764Sadrian return; 1924278764Sadrian 1925280088Sadrianfail2: m_freem(m); 1926278764Sadrian 1927278764Sadrianfail1: if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1928173362Sbenjsc} 1929173362Sbenjsc 1930173362Sbenjscstatic void 1931278366Sadrianwpi_rx_statistics(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1932278366Sadrian struct wpi_rx_data *data) 1933173362Sbenjsc{ 1934278366Sadrian /* Ignore */ 1935278366Sadrian} 1936278366Sadrian 1937278366Sadrianstatic void 1938278366Sadrianwpi_tx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1939278366Sadrian{ 1940178354Ssam struct ifnet *ifp = sc->sc_ifp; 1941173362Sbenjsc struct wpi_tx_ring *ring = &sc->txq[desc->qid & 0x3]; 1942278366Sadrian struct wpi_tx_data *data = &ring->data[desc->idx]; 1943173362Sbenjsc struct wpi_tx_stat *stat = (struct wpi_tx_stat *)(desc + 1); 1944278366Sadrian struct mbuf *m; 1945278366Sadrian struct ieee80211_node *ni; 1946278366Sadrian struct ieee80211vap *vap; 1947280078Sadrian struct ieee80211com *ic; 1948280114Sadrian uint32_t status = le32toh(stat->status); 1949280054Sadrian int ackfailcnt = stat->ackfailcnt / 2; /* wpi_mrr_setup() */ 1950173362Sbenjsc 1951278366Sadrian KASSERT(data->ni != NULL, ("no node")); 1952280100Sadrian KASSERT(data->m != NULL, ("no mbuf")); 1953173362Sbenjsc 1954278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1955278366Sadrian 1956278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: " 1957278366Sadrian "qid %d idx %d retries %d btkillcnt %d rate %x duration %d " 1958278764Sadrian "status %x\n", __func__, desc->qid, desc->idx, ackfailcnt, 1959278366Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), status); 1960278366Sadrian 1961278366Sadrian /* Unmap and free mbuf. */ 1962278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTWRITE); 1963278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1964278366Sadrian m = data->m, data->m = NULL; 1965278366Sadrian ni = data->ni, data->ni = NULL; 1966278366Sadrian vap = ni->ni_vap; 1967280078Sadrian ic = vap->iv_ic; 1968278366Sadrian 1969173362Sbenjsc /* 1970173362Sbenjsc * Update rate control statistics for the node. 1971173362Sbenjsc */ 1972278366Sadrian if ((status & 0xff) != 1) { 1973271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1974278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1975278764Sadrian IEEE80211_RATECTL_TX_FAILURE, &ackfailcnt, NULL); 1976278366Sadrian } else { 1977271849Sglebius if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1978278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1979278764Sadrian IEEE80211_RATECTL_TX_SUCCESS, &ackfailcnt, NULL); 1980278366Sadrian } 1981173362Sbenjsc 1982278366Sadrian ieee80211_tx_complete(ni, m, (status & 0xff) != 1); 1983173362Sbenjsc 1984280112Sadrian WPI_TXQ_STATE_LOCK(sc); 1985280109Sadrian ring->queued -= 1; 1986280111Sadrian if (ring->queued > 0) { 1987280109Sadrian callout_reset(&sc->tx_timeout, 5*hz, wpi_tx_timeout, sc); 1988280111Sadrian 1989280111Sadrian if (sc->qfullmsk != 0 && 1990280111Sadrian ring->queued < WPI_TX_RING_LOMARK) { 1991280111Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1992280111Sadrian IF_LOCK(&ifp->if_snd); 1993280111Sadrian if (sc->qfullmsk == 0 && 1994280111Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) { 1995280111Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1996280111Sadrian IF_UNLOCK(&ifp->if_snd); 1997280111Sadrian ieee80211_runtask(ic, &sc->sc_start_task); 1998280111Sadrian } else 1999280111Sadrian IF_UNLOCK(&ifp->if_snd); 2000280111Sadrian } 2001280111Sadrian } else 2002280109Sadrian callout_stop(&sc->tx_timeout); 2003280112Sadrian WPI_TXQ_STATE_UNLOCK(sc); 2004280109Sadrian 2005278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2006173362Sbenjsc} 2007173362Sbenjsc 2008278366Sadrian/* 2009278366Sadrian * Process a "command done" firmware notification. This is where we wakeup 2010278366Sadrian * processes waiting for a synchronous command completion. 2011278366Sadrian */ 2012173362Sbenjscstatic void 2013278366Sadrianwpi_cmd_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 2014173362Sbenjsc{ 2015280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 2016173362Sbenjsc struct wpi_tx_data *data; 2017173362Sbenjsc 2018280101Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "cmd notification qid %x idx %d flags %x " 2019280101Sadrian "type %s len %d\n", desc->qid, desc->idx, 2020278366Sadrian desc->flags, wpi_cmd_str(desc->type), 2021278366Sadrian le32toh(desc->len)); 2022173362Sbenjsc 2023280064Sadrian if ((desc->qid & WPI_RX_DESC_QID_MSK) != WPI_CMD_QUEUE_NUM) 2024278366Sadrian return; /* Not a command ack. */ 2025173362Sbenjsc 2026280075Sadrian KASSERT(ring->queued == 0, ("ring->queued must be 0")); 2027280075Sadrian 2028173362Sbenjsc data = &ring->data[desc->idx]; 2029173362Sbenjsc 2030278366Sadrian /* If the command was mapped in an mbuf, free it. */ 2031173362Sbenjsc if (data->m != NULL) { 2032278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 2033278366Sadrian BUS_DMASYNC_POSTWRITE); 2034173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 2035173362Sbenjsc m_freem(data->m); 2036173362Sbenjsc data->m = NULL; 2037173362Sbenjsc } 2038173362Sbenjsc 2039173362Sbenjsc wakeup(&ring->cmd[desc->idx]); 2040173362Sbenjsc} 2041173362Sbenjsc 2042173362Sbenjscstatic void 2043173362Sbenjscwpi_notif_intr(struct wpi_softc *sc) 2044173362Sbenjsc{ 2045178354Ssam struct ifnet *ifp = sc->sc_ifp; 2046178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2047278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2048280114Sadrian uint32_t hw; 2049173362Sbenjsc 2050216523Sbschmidt bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 2051216523Sbschmidt BUS_DMASYNC_POSTREAD); 2052216523Sbschmidt 2053173362Sbenjsc hw = le32toh(sc->shared->next); 2054278366Sadrian hw = (hw == 0) ? WPI_RX_RING_COUNT - 1 : hw - 1; 2055216523Sbschmidt 2056278764Sadrian while (sc->rxq.cur != hw) { 2057278366Sadrian sc->rxq.cur = (sc->rxq.cur + 1) % WPI_RX_RING_COUNT; 2058278366Sadrian 2059278366Sadrian struct wpi_rx_data *data = &sc->rxq.data[sc->rxq.cur]; 2060278366Sadrian struct wpi_rx_desc *desc; 2061278366Sadrian 2062216523Sbschmidt bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2063216523Sbschmidt BUS_DMASYNC_POSTREAD); 2064278366Sadrian desc = mtod(data->m, struct wpi_rx_desc *); 2065173362Sbenjsc 2066278366Sadrian DPRINTF(sc, WPI_DEBUG_NOTIFY, 2067278366Sadrian "%s: cur=%d; qid %x idx %d flags %x type %d(%s) len %d\n", 2068278366Sadrian __func__, sc->rxq.cur, desc->qid, desc->idx, desc->flags, 2069278366Sadrian desc->type, wpi_cmd_str(desc->type), le32toh(desc->len)); 2070173362Sbenjsc 2071280064Sadrian if (!(desc->qid & WPI_UNSOLICITED_RX_NOTIF)) { 2072280064Sadrian /* Reply to a command. */ 2073278366Sadrian wpi_cmd_done(sc, desc); 2074280064Sadrian } 2075173362Sbenjsc 2076173362Sbenjsc switch (desc->type) { 2077173362Sbenjsc case WPI_RX_DONE: 2078278366Sadrian /* An 802.11 frame has been received. */ 2079278366Sadrian wpi_rx_done(sc, desc, data); 2080280055Sadrian 2081280055Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2082280055Sadrian /* wpi_stop() was called. */ 2083280055Sadrian return; 2084280055Sadrian } 2085280055Sadrian 2086173362Sbenjsc break; 2087173362Sbenjsc 2088173362Sbenjsc case WPI_TX_DONE: 2089278366Sadrian /* An 802.11 frame has been transmitted. */ 2090278366Sadrian wpi_tx_done(sc, desc); 2091173362Sbenjsc break; 2092173362Sbenjsc 2093278366Sadrian case WPI_RX_STATISTICS: 2094278366Sadrian case WPI_BEACON_STATISTICS: 2095278366Sadrian wpi_rx_statistics(sc, desc, data); 2096278366Sadrian break; 2097278366Sadrian 2098278366Sadrian case WPI_BEACON_MISSED: 2099278366Sadrian { 2100278366Sadrian struct wpi_beacon_missed *miss = 2101278366Sadrian (struct wpi_beacon_missed *)(desc + 1); 2102280114Sadrian uint32_t misses; 2103278366Sadrian 2104278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2105278366Sadrian BUS_DMASYNC_POSTREAD); 2106278366Sadrian misses = le32toh(miss->consecutive); 2107278366Sadrian 2108278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, 2109278366Sadrian "%s: beacons missed %d/%d\n", __func__, misses, 2110278366Sadrian le32toh(miss->total)); 2111278366Sadrian 2112278366Sadrian if (vap->iv_state == IEEE80211_S_RUN && 2113280116Sadrian (ic->ic_flags & IEEE80211_F_SCAN) == 0 && 2114280116Sadrian misses >= vap->iv_bmissthreshold) 2115280116Sadrian ieee80211_beacon_miss(ic); 2116280116Sadrian 2117278366Sadrian break; 2118278366Sadrian } 2119173362Sbenjsc case WPI_UC_READY: 2120173362Sbenjsc { 2121173362Sbenjsc struct wpi_ucode_info *uc = 2122278366Sadrian (struct wpi_ucode_info *)(desc + 1); 2123173362Sbenjsc 2124278366Sadrian /* The microcontroller is ready. */ 2125278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2126278366Sadrian BUS_DMASYNC_POSTREAD); 2127278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, 2128278366Sadrian "microcode alive notification version=%d.%d " 2129278366Sadrian "subtype=%x alive=%x\n", uc->major, uc->minor, 2130278366Sadrian uc->subtype, le32toh(uc->valid)); 2131173362Sbenjsc 2132173362Sbenjsc if (le32toh(uc->valid) != 1) { 2133173362Sbenjsc device_printf(sc->sc_dev, 2134173362Sbenjsc "microcontroller initialization failed\n"); 2135173362Sbenjsc wpi_stop_locked(sc); 2136173362Sbenjsc } 2137278366Sadrian /* Save the address of the error log in SRAM. */ 2138278366Sadrian sc->errptr = le32toh(uc->errptr); 2139173362Sbenjsc break; 2140173362Sbenjsc } 2141173362Sbenjsc case WPI_STATE_CHANGED: 2142173362Sbenjsc { 2143280059Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2144280059Sadrian BUS_DMASYNC_POSTREAD); 2145278366Sadrian 2146173362Sbenjsc uint32_t *status = (uint32_t *)(desc + 1); 2147278764Sadrian 2148278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "state changed to %x\n", 2149278366Sadrian le32toh(*status)); 2150278764Sadrian 2151173362Sbenjsc if (le32toh(*status) & 1) { 2152280077Sadrian WPI_NT_LOCK(sc); 2153280069Sadrian wpi_clear_node_table(sc); 2154280077Sadrian WPI_NT_UNLOCK(sc); 2155278366Sadrian ieee80211_runtask(ic, &sc->sc_radiooff_task); 2156278366Sadrian return; 2157173362Sbenjsc } 2158173362Sbenjsc break; 2159173362Sbenjsc } 2160173362Sbenjsc case WPI_START_SCAN: 2161173362Sbenjsc { 2162278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2163278366Sadrian BUS_DMASYNC_POSTREAD); 2164179957Sthompsa#ifdef WPI_DEBUG 2165173362Sbenjsc struct wpi_start_scan *scan = 2166278366Sadrian (struct wpi_start_scan *)(desc + 1); 2167278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2168278366Sadrian "%s: scanning channel %d status %x\n", 2169278366Sadrian __func__, scan->chan, le32toh(scan->status)); 2170179957Sthompsa#endif 2171173362Sbenjsc break; 2172173362Sbenjsc } 2173173362Sbenjsc case WPI_STOP_SCAN: 2174173362Sbenjsc { 2175278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2176278366Sadrian BUS_DMASYNC_POSTREAD); 2177179957Sthompsa#ifdef WPI_DEBUG 2178173362Sbenjsc struct wpi_stop_scan *scan = 2179278366Sadrian (struct wpi_stop_scan *)(desc + 1); 2180278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2181278366Sadrian "scan finished nchan=%d status=%d chan=%d\n", 2182278366Sadrian scan->nchan, scan->status, scan->chan); 2183179957Sthompsa#endif 2184280108Sadrian WPI_RXON_LOCK(sc); 2185280106Sadrian callout_stop(&sc->scan_timeout); 2186280108Sadrian WPI_RXON_UNLOCK(sc); 2187178354Ssam ieee80211_scan_next(vap); 2188173362Sbenjsc break; 2189173362Sbenjsc } 2190278366Sadrian } 2191278764Sadrian } 2192173976Sbenjsc 2193278366Sadrian /* Tell the firmware what we have processed. */ 2194278366Sadrian wpi_update_rx_ring(sc); 2195278366Sadrian} 2196278366Sadrian 2197278366Sadrian/* 2198278366Sadrian * Process an INT_WAKEUP interrupt raised when the microcontroller wakes up 2199278366Sadrian * from power-down sleep mode. 2200278366Sadrian */ 2201280059Sadrianstatic void 2202278366Sadrianwpi_wakeup_intr(struct wpi_softc *sc) 2203278366Sadrian{ 2204278366Sadrian int qid; 2205278366Sadrian 2206278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 2207278366Sadrian "%s: ucode wakeup from power-down sleep\n", __func__); 2208278366Sadrian 2209278366Sadrian /* Wakeup RX and TX rings. */ 2210278366Sadrian if (sc->rxq.update) { 2211278764Sadrian sc->rxq.update = 0; 2212278366Sadrian wpi_update_rx_ring(sc); 2213278366Sadrian } 2214280071Sadrian WPI_TXQ_LOCK(sc); 2215280058Sadrian for (qid = 0; qid < WPI_DRV_NTXQUEUES; qid++) { 2216278366Sadrian struct wpi_tx_ring *ring = &sc->txq[qid]; 2217278366Sadrian 2218278366Sadrian if (ring->update) { 2219278764Sadrian ring->update = 0; 2220278366Sadrian wpi_update_tx_ring(sc, ring); 2221173362Sbenjsc } 2222278366Sadrian } 2223280071Sadrian WPI_TXQ_UNLOCK(sc); 2224173362Sbenjsc 2225278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 2226278366Sadrian} 2227278366Sadrian 2228278366Sadrian/* 2229280093Sadrian * This function prints firmware registers 2230280093Sadrian */ 2231280093Sadrian#ifdef WPI_DEBUG 2232280093Sadrianstatic void 2233280093Sadrianwpi_debug_registers(struct wpi_softc *sc) 2234280093Sadrian{ 2235280093Sadrian#define COUNTOF(array) (sizeof(array) / sizeof(array[0])) 2236280093Sadrian int i; 2237280093Sadrian static const uint32_t csr_tbl[] = { 2238280093Sadrian WPI_HW_IF_CONFIG, 2239280093Sadrian WPI_INT, 2240280093Sadrian WPI_INT_MASK, 2241280093Sadrian WPI_FH_INT, 2242280093Sadrian WPI_GPIO_IN, 2243280093Sadrian WPI_RESET, 2244280093Sadrian WPI_GP_CNTRL, 2245280093Sadrian WPI_EEPROM, 2246280093Sadrian WPI_EEPROM_GP, 2247280093Sadrian WPI_GIO, 2248280093Sadrian WPI_UCODE_GP1, 2249280093Sadrian WPI_UCODE_GP2, 2250280093Sadrian WPI_GIO_CHICKEN, 2251280093Sadrian WPI_ANA_PLL, 2252280093Sadrian WPI_DBG_HPET_MEM, 2253280093Sadrian }; 2254280093Sadrian static const uint32_t prph_tbl[] = { 2255280093Sadrian WPI_APMG_CLK_CTRL, 2256280093Sadrian WPI_APMG_PS, 2257280093Sadrian WPI_APMG_PCI_STT, 2258280093Sadrian WPI_APMG_RFKILL, 2259280093Sadrian }; 2260280093Sadrian 2261280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER,"%s","\n"); 2262280093Sadrian 2263280093Sadrian for (i = 0; i < COUNTOF(csr_tbl); i++) { 2264280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, " %-18s: 0x%08x ", 2265280093Sadrian wpi_get_csr_string(csr_tbl[i]), WPI_READ(sc, csr_tbl[i])); 2266280093Sadrian 2267280093Sadrian if ((i + 1) % 2 == 0) 2268280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2269280093Sadrian } 2270280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n\n"); 2271280093Sadrian 2272280093Sadrian if (wpi_nic_lock(sc) == 0) { 2273280093Sadrian for (i = 0; i < COUNTOF(prph_tbl); i++) { 2274280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, " %-18s: 0x%08x ", 2275280093Sadrian wpi_get_prph_string(prph_tbl[i]), 2276280093Sadrian wpi_prph_read(sc, prph_tbl[i])); 2277280093Sadrian 2278280093Sadrian if ((i + 1) % 2 == 0) 2279280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2280280093Sadrian } 2281280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2282280093Sadrian wpi_nic_unlock(sc); 2283280093Sadrian } else { 2284280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, 2285280093Sadrian "Cannot access internal registers.\n"); 2286280093Sadrian } 2287280093Sadrian#undef COUNTOF 2288280093Sadrian} 2289280093Sadrian#endif 2290280093Sadrian 2291280093Sadrian/* 2292278366Sadrian * Dump the error log of the firmware when a firmware panic occurs. Although 2293278366Sadrian * we can't debug the firmware because it is neither open source nor free, it 2294278366Sadrian * can help us to identify certain classes of problems. 2295278366Sadrian */ 2296278366Sadrianstatic void 2297278366Sadrianwpi_fatal_intr(struct wpi_softc *sc) 2298278366Sadrian{ 2299278366Sadrian struct wpi_fw_dump dump; 2300278366Sadrian uint32_t i, offset, count; 2301278366Sadrian const uint32_t size_errmsg = 2302278366Sadrian (sizeof (wpi_fw_errmsg) / sizeof ((wpi_fw_errmsg)[0])); 2303278366Sadrian 2304278366Sadrian /* Check that the error log address is valid. */ 2305278366Sadrian if (sc->errptr < WPI_FW_DATA_BASE || 2306278366Sadrian sc->errptr + sizeof (dump) > 2307278366Sadrian WPI_FW_DATA_BASE + WPI_FW_DATA_MAXSZ) { 2308278366Sadrian printf("%s: bad firmware error log address 0x%08x\n", __func__, 2309278366Sadrian sc->errptr); 2310280059Sadrian return; 2311280059Sadrian } 2312278366Sadrian if (wpi_nic_lock(sc) != 0) { 2313278366Sadrian printf("%s: could not read firmware error log\n", __func__); 2314280059Sadrian return; 2315280059Sadrian } 2316278366Sadrian /* Read number of entries in the log. */ 2317278366Sadrian count = wpi_mem_read(sc, sc->errptr); 2318278366Sadrian if (count == 0 || count * sizeof (dump) > WPI_FW_DATA_MAXSZ) { 2319278366Sadrian printf("%s: invalid count field (count = %u)\n", __func__, 2320278366Sadrian count); 2321278366Sadrian wpi_nic_unlock(sc); 2322278366Sadrian return; 2323173362Sbenjsc } 2324278366Sadrian /* Skip "count" field. */ 2325278366Sadrian offset = sc->errptr + sizeof (uint32_t); 2326278366Sadrian printf("firmware error log (count = %u):\n", count); 2327278366Sadrian for (i = 0; i < count; i++) { 2328278366Sadrian wpi_mem_read_region_4(sc, offset, (uint32_t *)&dump, 2329278366Sadrian sizeof (dump) / sizeof (uint32_t)); 2330173362Sbenjsc 2331278366Sadrian printf(" error type = \"%s\" (0x%08X)\n", 2332278366Sadrian (dump.desc < size_errmsg) ? 2333278366Sadrian wpi_fw_errmsg[dump.desc] : "UNKNOWN", 2334278366Sadrian dump.desc); 2335278366Sadrian printf(" error data = 0x%08X\n", 2336278366Sadrian dump.data); 2337278366Sadrian printf(" branch link = 0x%08X%08X\n", 2338278366Sadrian dump.blink[0], dump.blink[1]); 2339278366Sadrian printf(" interrupt link = 0x%08X%08X\n", 2340278366Sadrian dump.ilink[0], dump.ilink[1]); 2341278366Sadrian printf(" time = %u\n", dump.time); 2342278366Sadrian 2343278366Sadrian offset += sizeof (dump); 2344278366Sadrian } 2345278366Sadrian wpi_nic_unlock(sc); 2346278366Sadrian /* Dump driver status (TX and RX rings) while we're here. */ 2347278366Sadrian printf("driver status:\n"); 2348280071Sadrian WPI_TXQ_LOCK(sc); 2349280058Sadrian for (i = 0; i < WPI_DRV_NTXQUEUES; i++) { 2350278366Sadrian struct wpi_tx_ring *ring = &sc->txq[i]; 2351278366Sadrian printf(" tx ring %2d: qid=%-2d cur=%-3d queued=%-3d\n", 2352278366Sadrian i, ring->qid, ring->cur, ring->queued); 2353278366Sadrian } 2354280071Sadrian WPI_TXQ_UNLOCK(sc); 2355278366Sadrian printf(" rx ring: cur=%d\n", sc->rxq.cur); 2356173362Sbenjsc} 2357173362Sbenjsc 2358173362Sbenjscstatic void 2359173362Sbenjscwpi_intr(void *arg) 2360173362Sbenjsc{ 2361173362Sbenjsc struct wpi_softc *sc = arg; 2362278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2363278366Sadrian uint32_t r1, r2; 2364173362Sbenjsc 2365173362Sbenjsc WPI_LOCK(sc); 2366173362Sbenjsc 2367278366Sadrian /* Disable interrupts. */ 2368278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 2369278366Sadrian 2370278366Sadrian r1 = WPI_READ(sc, WPI_INT); 2371278366Sadrian 2372280065Sadrian if (r1 == 0xffffffff || (r1 & 0xfffffff0) == 0xa5a5a5a0) 2373280065Sadrian goto end; /* Hardware gone! */ 2374173362Sbenjsc 2375278366Sadrian r2 = WPI_READ(sc, WPI_FH_INT); 2376173362Sbenjsc 2377278366Sadrian DPRINTF(sc, WPI_DEBUG_INTR, "%s: reg1=0x%08x reg2=0x%08x\n", __func__, 2378278366Sadrian r1, r2); 2379278366Sadrian 2380278366Sadrian if (r1 == 0 && r2 == 0) 2381278366Sadrian goto done; /* Interrupt not for us. */ 2382278366Sadrian 2383278366Sadrian /* Acknowledge interrupts. */ 2384278366Sadrian WPI_WRITE(sc, WPI_INT, r1); 2385278366Sadrian WPI_WRITE(sc, WPI_FH_INT, r2); 2386278366Sadrian 2387278366Sadrian if (r1 & (WPI_INT_SW_ERR | WPI_INT_HW_ERR)) { 2388191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 2389191746Sthompsa 2390173362Sbenjsc device_printf(sc->sc_dev, "fatal firmware error\n"); 2391280093Sadrian#ifdef WPI_DEBUG 2392280093Sadrian wpi_debug_registers(sc); 2393280093Sadrian#endif 2394278366Sadrian wpi_fatal_intr(sc); 2395278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 2396278366Sadrian "(%s)\n", (r1 & WPI_INT_SW_ERR) ? "(Software Error)" : 2397278366Sadrian "(Hardware Error)"); 2398278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2399280065Sadrian goto end; 2400173362Sbenjsc } 2401173362Sbenjsc 2402278366Sadrian if ((r1 & (WPI_INT_FH_RX | WPI_INT_SW_RX)) || 2403278366Sadrian (r2 & WPI_FH_INT_RX)) 2404173362Sbenjsc wpi_notif_intr(sc); 2405173362Sbenjsc 2406278366Sadrian if (r1 & WPI_INT_ALIVE) 2407278366Sadrian wakeup(sc); /* Firmware is alive. */ 2408173362Sbenjsc 2409278366Sadrian if (r1 & WPI_INT_WAKEUP) 2410278366Sadrian wpi_wakeup_intr(sc); 2411173362Sbenjsc 2412278366Sadriandone: 2413278366Sadrian /* Re-enable interrupts. */ 2414278366Sadrian if (ifp->if_flags & IFF_UP) 2415278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 2416278366Sadrian 2417280065Sadrianend: WPI_UNLOCK(sc); 2418173362Sbenjsc} 2419173362Sbenjsc 2420278366Sadrianstatic int 2421278366Sadrianwpi_cmd2(struct wpi_softc *sc, struct wpi_buf *buf) 2422173362Sbenjsc{ 2423280110Sadrian struct ifnet *ifp = sc->sc_ifp; 2424278366Sadrian struct ieee80211_frame *wh; 2425278366Sadrian struct wpi_tx_cmd *cmd; 2426278366Sadrian struct wpi_tx_data *data; 2427278366Sadrian struct wpi_tx_desc *desc; 2428278366Sadrian struct wpi_tx_ring *ring; 2429278366Sadrian struct mbuf *m1; 2430278366Sadrian bus_dma_segment_t *seg, segs[WPI_MAX_SCATTER]; 2431279763Sadrian int error, i, hdrlen, nsegs, totlen, pad; 2432173362Sbenjsc 2433280071Sadrian WPI_TXQ_LOCK(sc); 2434280071Sadrian 2435280082Sadrian KASSERT(buf->size <= sizeof(buf->data), ("buffer overflow")); 2436280082Sadrian 2437278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2438278366Sadrian 2439280071Sadrian if (sc->txq_active == 0) { 2440280071Sadrian /* wpi_stop() was called */ 2441280071Sadrian error = ENETDOWN; 2442280071Sadrian goto fail; 2443280071Sadrian } 2444280071Sadrian 2445278366Sadrian wh = mtod(buf->m, struct ieee80211_frame *); 2446279763Sadrian hdrlen = ieee80211_anyhdrsize(wh); 2447278366Sadrian totlen = buf->m->m_pkthdr.len; 2448278366Sadrian 2449279763Sadrian if (hdrlen & 3) { 2450279763Sadrian /* First segment length must be a multiple of 4. */ 2451279763Sadrian pad = 4 - (hdrlen & 3); 2452279763Sadrian } else 2453279763Sadrian pad = 0; 2454279763Sadrian 2455278366Sadrian ring = &sc->txq[buf->ac]; 2456278366Sadrian desc = &ring->desc[ring->cur]; 2457278366Sadrian data = &ring->data[ring->cur]; 2458278366Sadrian 2459278366Sadrian /* Prepare TX firmware command. */ 2460278366Sadrian cmd = &ring->cmd[ring->cur]; 2461278366Sadrian cmd->code = buf->code; 2462278366Sadrian cmd->flags = 0; 2463278366Sadrian cmd->qid = ring->qid; 2464278366Sadrian cmd->idx = ring->cur; 2465278366Sadrian 2466278366Sadrian memcpy(cmd->data, buf->data, buf->size); 2467278366Sadrian 2468278366Sadrian /* Save and trim IEEE802.11 header. */ 2469279763Sadrian memcpy((uint8_t *)(cmd->data + buf->size), wh, hdrlen); 2470279763Sadrian m_adj(buf->m, hdrlen); 2471278366Sadrian 2472278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, buf->m, 2473278366Sadrian segs, &nsegs, BUS_DMA_NOWAIT); 2474278366Sadrian if (error != 0 && error != EFBIG) { 2475278366Sadrian device_printf(sc->sc_dev, 2476278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, error); 2477280071Sadrian goto fail; 2478173362Sbenjsc } 2479278366Sadrian if (error != 0) { 2480278366Sadrian /* Too many DMA segments, linearize mbuf. */ 2481280050Sadrian m1 = m_collapse(buf->m, M_NOWAIT, WPI_MAX_SCATTER - 1); 2482278366Sadrian if (m1 == NULL) { 2483278366Sadrian device_printf(sc->sc_dev, 2484278366Sadrian "%s: could not defrag mbuf\n", __func__); 2485280071Sadrian error = ENOBUFS; 2486280071Sadrian goto fail; 2487278366Sadrian } 2488278366Sadrian buf->m = m1; 2489278366Sadrian 2490278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, 2491278366Sadrian buf->m, segs, &nsegs, BUS_DMA_NOWAIT); 2492278366Sadrian if (error != 0) { 2493278366Sadrian device_printf(sc->sc_dev, 2494280066Sadrian "%s: can't map mbuf (error %d)\n", __func__, 2495280066Sadrian error); 2496280071Sadrian goto fail; 2497278366Sadrian } 2498278366Sadrian } 2499278366Sadrian 2500280050Sadrian KASSERT(nsegs < WPI_MAX_SCATTER, 2501280050Sadrian ("too many DMA segments, nsegs (%d) should be less than %d", 2502280050Sadrian nsegs, WPI_MAX_SCATTER)); 2503280050Sadrian 2504278366Sadrian data->m = buf->m; 2505278366Sadrian data->ni = buf->ni; 2506278366Sadrian 2507278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: qid %d idx %d len %d nsegs %d\n", 2508278366Sadrian __func__, ring->qid, ring->cur, totlen, nsegs); 2509278366Sadrian 2510278366Sadrian /* Fill TX descriptor. */ 2511279763Sadrian desc->nsegs = WPI_PAD32(totlen + pad) << 4 | (1 + nsegs); 2512278366Sadrian /* First DMA segment is used by the TX command. */ 2513278366Sadrian desc->segs[0].addr = htole32(data->cmd_paddr); 2514279763Sadrian desc->segs[0].len = htole32(4 + buf->size + hdrlen + pad); 2515278366Sadrian /* Other DMA segments are for data payload. */ 2516278366Sadrian seg = &segs[0]; 2517278366Sadrian for (i = 1; i <= nsegs; i++) { 2518278366Sadrian desc->segs[i].addr = htole32(seg->ds_addr); 2519278366Sadrian desc->segs[i].len = htole32(seg->ds_len); 2520278366Sadrian seg++; 2521278366Sadrian } 2522278366Sadrian 2523278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); 2524278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2525278366Sadrian BUS_DMASYNC_PREWRITE); 2526278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2527278366Sadrian BUS_DMASYNC_PREWRITE); 2528278366Sadrian 2529278366Sadrian /* Kick TX ring. */ 2530278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2531278366Sadrian wpi_update_tx_ring(sc, ring); 2532278366Sadrian 2533280075Sadrian if (ring->qid < WPI_CMD_QUEUE_NUM) { 2534280075Sadrian /* Mark TX ring as full if we reach a certain threshold. */ 2535280112Sadrian WPI_TXQ_STATE_LOCK(sc); 2536280110Sadrian if (++ring->queued > WPI_TX_RING_HIMARK) { 2537280075Sadrian sc->qfullmsk |= 1 << ring->qid; 2538278366Sadrian 2539280110Sadrian IF_LOCK(&ifp->if_snd); 2540280110Sadrian ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2541280110Sadrian IF_UNLOCK(&ifp->if_snd); 2542280110Sadrian } 2543280110Sadrian 2544280109Sadrian callout_reset(&sc->tx_timeout, 5*hz, wpi_tx_timeout, sc); 2545280112Sadrian WPI_TXQ_STATE_UNLOCK(sc); 2546280075Sadrian } 2547280074Sadrian 2548278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2549278366Sadrian 2550280071Sadrian WPI_TXQ_UNLOCK(sc); 2551280071Sadrian 2552278366Sadrian return 0; 2553280071Sadrian 2554280071Sadrianfail: m_freem(buf->m); 2555280071Sadrian 2556280071Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2557280071Sadrian 2558280071Sadrian WPI_TXQ_UNLOCK(sc); 2559280071Sadrian 2560280071Sadrian return error; 2561173362Sbenjsc} 2562173362Sbenjsc 2563173362Sbenjsc/* 2564278366Sadrian * Construct the data packet for a transmit buffer. 2565173362Sbenjsc */ 2566173362Sbenjscstatic int 2567278366Sadrianwpi_tx_data(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2568173362Sbenjsc{ 2569278366Sadrian const struct ieee80211_txparam *tp; 2570178354Ssam struct ieee80211vap *vap = ni->ni_vap; 2571278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2572280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 2573278366Sadrian struct ieee80211_channel *chan; 2574173362Sbenjsc struct ieee80211_frame *wh; 2575278366Sadrian struct ieee80211_key *k = NULL; 2576278366Sadrian struct wpi_buf tx_data; 2577280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2578278366Sadrian uint32_t flags; 2579278366Sadrian uint16_t qos; 2580278366Sadrian uint8_t tid, type; 2581280068Sadrian int ac, error, swcrypt, rate, ismcast, totlen; 2582173362Sbenjsc 2583278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2584278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2585278366Sadrian ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 2586173362Sbenjsc 2587278366Sadrian /* Select EDCA Access Category and TX ring for this frame. */ 2588278366Sadrian if (IEEE80211_QOS_HAS_SEQ(wh)) { 2589278366Sadrian qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 2590278366Sadrian tid = qos & IEEE80211_QOS_TID; 2591278366Sadrian } else { 2592278366Sadrian qos = 0; 2593278366Sadrian tid = 0; 2594280059Sadrian } 2595278366Sadrian ac = M_WME_GETAC(m); 2596173362Sbenjsc 2597278366Sadrian chan = (ni->ni_chan != IEEE80211_CHAN_ANYC) ? 2598278366Sadrian ni->ni_chan : ic->ic_curchan; 2599278366Sadrian tp = &vap->iv_txparms[ieee80211_chan2mode(chan)]; 2600173362Sbenjsc 2601278366Sadrian /* Choose a TX rate index. */ 2602278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) 2603278366Sadrian rate = tp->mgmtrate; 2604278366Sadrian else if (ismcast) 2605278366Sadrian rate = tp->mcastrate; 2606278366Sadrian else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2607278366Sadrian rate = tp->ucastrate; 2608278366Sadrian else if (m->m_flags & M_EAPOL) 2609278366Sadrian rate = tp->mgmtrate; 2610278366Sadrian else { 2611278366Sadrian /* XXX pass pktlen */ 2612278366Sadrian (void) ieee80211_ratectl_rate(ni, NULL, 0); 2613278366Sadrian rate = ni->ni_txrate; 2614278366Sadrian } 2615278366Sadrian 2616278366Sadrian /* Encrypt the frame if need be. */ 2617260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2618278366Sadrian /* Retrieve key for TX. */ 2619278366Sadrian k = ieee80211_crypto_encap(ni, m); 2620177043Sthompsa if (k == NULL) { 2621278366Sadrian error = ENOBUFS; 2622278366Sadrian goto fail; 2623173362Sbenjsc } 2624280068Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2625280068Sadrian 2626278366Sadrian /* 802.11 header may have moved. */ 2627278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2628173362Sbenjsc } 2629279763Sadrian totlen = m->m_pkthdr.len; 2630173362Sbenjsc 2631278366Sadrian if (ieee80211_radiotap_active_vap(vap)) { 2632278366Sadrian struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2633173362Sbenjsc 2634279763Sadrian tap->wt_flags = 0; 2635278366Sadrian tap->wt_rate = rate; 2636278366Sadrian if (k != NULL) 2637278366Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2638173362Sbenjsc 2639278366Sadrian ieee80211_radiotap_tx(vap, m); 2640278366Sadrian } 2641278366Sadrian 2642278366Sadrian flags = 0; 2643177119Ssam if (!ismcast) { 2644278366Sadrian /* Unicast frame, check if an ACK is expected. */ 2645278366Sadrian if (!qos || (qos & IEEE80211_QOS_ACKPOLICY) != 2646278366Sadrian IEEE80211_QOS_ACKPOLICY_NOACK) 2647278366Sadrian flags |= WPI_TX_NEED_ACK; 2648278366Sadrian } 2649278366Sadrian 2650278764Sadrian if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) 2651278764Sadrian flags |= WPI_TX_MORE_FRAG; /* Cannot happen yet. */ 2652278764Sadrian 2653278366Sadrian /* Check if frame must be protected using RTS/CTS or CTS-to-self. */ 2654278366Sadrian if (!ismcast) { 2655278366Sadrian /* NB: Group frames are sent using CCK in 802.11b/g. */ 2656278366Sadrian if (totlen + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) { 2657278366Sadrian flags |= WPI_TX_NEED_RTS; 2658278366Sadrian } else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2659278366Sadrian WPI_RATE_IS_OFDM(rate)) { 2660278366Sadrian if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2661278366Sadrian flags |= WPI_TX_NEED_CTS; 2662278366Sadrian else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2663278366Sadrian flags |= WPI_TX_NEED_RTS; 2664177043Sthompsa } 2665278366Sadrian 2666278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2667278366Sadrian flags |= WPI_TX_FULL_TXOP; 2668173362Sbenjsc } 2669278366Sadrian 2670280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2671278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2672173362Sbenjsc uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2673278366Sadrian 2674278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2675173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2676278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2677173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2678177043Sthompsa subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2679280082Sadrian tx->timeout = htole16(3); 2680173362Sbenjsc else 2681280082Sadrian tx->timeout = htole16(2); 2682177043Sthompsa } 2683173362Sbenjsc 2684278366Sadrian if (ismcast || type != IEEE80211_FC0_TYPE_DATA) 2685280082Sadrian tx->id = WPI_ID_BROADCAST; 2686278366Sadrian else { 2687278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 2688278366Sadrian device_printf(sc->sc_dev, 2689278366Sadrian "%s: undefined node id\n", __func__); 2690278366Sadrian error = EINVAL; 2691278366Sadrian goto fail; 2692278366Sadrian } 2693278366Sadrian 2694280082Sadrian tx->id = wn->id; 2695278366Sadrian } 2696278366Sadrian 2697278366Sadrian if (type != IEEE80211_FC0_TYPE_MGT) 2698280082Sadrian tx->data_ntries = tp->maxretry; 2699278366Sadrian 2700280068Sadrian if (k != NULL && !swcrypt) { 2701280068Sadrian switch (k->wk_cipher->ic_cipher) { 2702280068Sadrian case IEEE80211_CIPHER_AES_CCM: 2703280082Sadrian tx->security = WPI_CIPHER_CCMP; 2704280068Sadrian break; 2705280068Sadrian 2706280068Sadrian default: 2707280068Sadrian break; 2708280068Sadrian } 2709280068Sadrian 2710280082Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 2711280068Sadrian } 2712280068Sadrian 2713280082Sadrian tx->len = htole16(totlen); 2714280082Sadrian tx->flags = htole32(flags); 2715280082Sadrian tx->plcp = rate2plcp(rate); 2716280082Sadrian tx->tid = tid; 2717280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 2718280082Sadrian tx->ofdm_mask = 0xff; 2719280082Sadrian tx->cck_mask = 0x0f; 2720280082Sadrian tx->rts_ntries = 7; 2721278366Sadrian 2722278366Sadrian tx_data.ni = ni; 2723278366Sadrian tx_data.m = m; 2724280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 2725278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2726278366Sadrian tx_data.ac = ac; 2727278366Sadrian 2728278366Sadrian return wpi_cmd2(sc, &tx_data); 2729278366Sadrian 2730278366Sadrianfail: m_freem(m); 2731278366Sadrian return error; 2732278366Sadrian} 2733278366Sadrian 2734278366Sadrianstatic int 2735280066Sadrianwpi_tx_data_raw(struct wpi_softc *sc, struct mbuf *m, 2736280066Sadrian struct ieee80211_node *ni, const struct ieee80211_bpf_params *params) 2737278366Sadrian{ 2738278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 2739280087Sadrian struct ieee80211_key *k = NULL; 2740278366Sadrian struct ieee80211_frame *wh; 2741278366Sadrian struct wpi_buf tx_data; 2742280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2743278366Sadrian uint32_t flags; 2744278366Sadrian uint8_t type; 2745280087Sadrian int ac, rate, swcrypt, totlen; 2746278366Sadrian 2747278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2748278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2749278366Sadrian 2750278366Sadrian ac = params->ibp_pri & 3; 2751278366Sadrian 2752278366Sadrian /* Choose a TX rate index. */ 2753278366Sadrian rate = params->ibp_rate0; 2754278366Sadrian 2755278366Sadrian flags = 0; 2756278366Sadrian if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2757278366Sadrian flags |= WPI_TX_NEED_ACK; 2758278366Sadrian if (params->ibp_flags & IEEE80211_BPF_RTS) 2759278366Sadrian flags |= WPI_TX_NEED_RTS; 2760278366Sadrian if (params->ibp_flags & IEEE80211_BPF_CTS) 2761278366Sadrian flags |= WPI_TX_NEED_CTS; 2762278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2763278366Sadrian flags |= WPI_TX_FULL_TXOP; 2764278366Sadrian 2765280087Sadrian /* Encrypt the frame if need be. */ 2766280087Sadrian if (params->ibp_flags & IEEE80211_BPF_CRYPTO) { 2767280087Sadrian /* Retrieve key for TX. */ 2768280087Sadrian k = ieee80211_crypto_encap(ni, m); 2769280087Sadrian if (k == NULL) { 2770280087Sadrian m_freem(m); 2771280087Sadrian return ENOBUFS; 2772280087Sadrian } 2773280087Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2774280087Sadrian 2775280087Sadrian /* 802.11 header may have moved. */ 2776280087Sadrian wh = mtod(m, struct ieee80211_frame *); 2777280087Sadrian } 2778280087Sadrian totlen = m->m_pkthdr.len; 2779280087Sadrian 2780192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2781177043Sthompsa struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2782278366Sadrian 2783177043Sthompsa tap->wt_flags = 0; 2784177043Sthompsa tap->wt_rate = rate; 2785280087Sadrian if (params->ibp_flags & IEEE80211_BPF_CRYPTO) 2786280087Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2787178354Ssam 2788278366Sadrian ieee80211_radiotap_tx(vap, m); 2789177043Sthompsa } 2790173362Sbenjsc 2791280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2792278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2793278366Sadrian uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2794173362Sbenjsc 2795278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2796278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2797278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2798278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2799278366Sadrian subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2800280082Sadrian tx->timeout = htole16(3); 2801278366Sadrian else 2802280082Sadrian tx->timeout = htole16(2); 2803173362Sbenjsc } 2804173362Sbenjsc 2805280087Sadrian if (k != NULL && !swcrypt) { 2806280087Sadrian switch (k->wk_cipher->ic_cipher) { 2807280087Sadrian case IEEE80211_CIPHER_AES_CCM: 2808280087Sadrian tx->security = WPI_CIPHER_CCMP; 2809280087Sadrian break; 2810280087Sadrian 2811280087Sadrian default: 2812280087Sadrian break; 2813280087Sadrian } 2814280087Sadrian 2815280087Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 2816280087Sadrian } 2817280087Sadrian 2818280082Sadrian tx->len = htole16(totlen); 2819280082Sadrian tx->flags = htole32(flags); 2820280082Sadrian tx->plcp = rate2plcp(rate); 2821280082Sadrian tx->id = WPI_ID_BROADCAST; 2822280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 2823280082Sadrian tx->rts_ntries = params->ibp_try1; 2824280082Sadrian tx->data_ntries = params->ibp_try0; 2825278366Sadrian 2826278366Sadrian tx_data.ni = ni; 2827278366Sadrian tx_data.m = m; 2828280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 2829278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2830278366Sadrian tx_data.ac = ac; 2831278366Sadrian 2832278366Sadrian return wpi_cmd2(sc, &tx_data); 2833278366Sadrian} 2834278366Sadrian 2835278366Sadrianstatic int 2836278366Sadrianwpi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2837278366Sadrian const struct ieee80211_bpf_params *params) 2838278366Sadrian{ 2839278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2840278366Sadrian struct ifnet *ifp = ic->ic_ifp; 2841278366Sadrian struct wpi_softc *sc = ifp->if_softc; 2842278366Sadrian int error = 0; 2843278366Sadrian 2844278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2845278366Sadrian 2846278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2847278366Sadrian ieee80211_free_node(ni); 2848278366Sadrian m_freem(m); 2849278366Sadrian return ENETDOWN; 2850173362Sbenjsc } 2851173362Sbenjsc 2852280113Sadrian WPI_TX_LOCK(sc); 2853278366Sadrian if (params == NULL) { 2854278366Sadrian /* 2855278366Sadrian * Legacy path; interpret frame contents to decide 2856278366Sadrian * precisely how to send the frame. 2857278366Sadrian */ 2858278366Sadrian error = wpi_tx_data(sc, m, ni); 2859278366Sadrian } else { 2860278366Sadrian /* 2861278366Sadrian * Caller supplied explicit parameters to use in 2862278366Sadrian * sending the frame. 2863278366Sadrian */ 2864278366Sadrian error = wpi_tx_data_raw(sc, m, ni, params); 2865278366Sadrian } 2866280113Sadrian WPI_TX_UNLOCK(sc); 2867173362Sbenjsc 2868278366Sadrian if (error != 0) { 2869278366Sadrian /* NB: m is reclaimed on tx failure */ 2870278366Sadrian ieee80211_free_node(ni); 2871278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2872173362Sbenjsc 2873278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2874278366Sadrian 2875278366Sadrian return error; 2876173362Sbenjsc } 2877173362Sbenjsc 2878278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2879173362Sbenjsc 2880173362Sbenjsc return 0; 2881173362Sbenjsc} 2882173362Sbenjsc 2883173362Sbenjsc/** 2884173362Sbenjsc * Process data waiting to be sent on the IFNET output queue 2885173362Sbenjsc */ 2886173362Sbenjscstatic void 2887173362Sbenjscwpi_start(struct ifnet *ifp) 2888173362Sbenjsc{ 2889173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2890173362Sbenjsc struct ieee80211_node *ni; 2891178354Ssam struct mbuf *m; 2892173362Sbenjsc 2893280113Sadrian WPI_TX_LOCK(sc); 2894278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: called\n", __func__); 2895278366Sadrian 2896173362Sbenjsc for (;;) { 2897280110Sadrian IF_LOCK(&ifp->if_snd); 2898280110Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 || 2899280110Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) { 2900280097Sadrian IF_UNLOCK(&ifp->if_snd); 2901278366Sadrian break; 2902278366Sadrian } 2903280110Sadrian IF_UNLOCK(&ifp->if_snd); 2904280110Sadrian 2905190458Sjmallett IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2906178354Ssam if (m == NULL) 2907178354Ssam break; 2908278366Sadrian ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2909278366Sadrian if (wpi_tx_data(sc, m, ni) != 0) { 2910178354Ssam ieee80211_free_node(ni); 2911271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2912280074Sadrian } 2913178354Ssam } 2914278366Sadrian 2915278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: done\n", __func__); 2916280113Sadrian WPI_TX_UNLOCK(sc); 2917178354Ssam} 2918173362Sbenjsc 2919278366Sadrianstatic void 2920280078Sadrianwpi_start_task(void *arg0, int pending) 2921280078Sadrian{ 2922280078Sadrian struct wpi_softc *sc = arg0; 2923280078Sadrian struct ifnet *ifp = sc->sc_ifp; 2924280078Sadrian 2925280078Sadrian wpi_start(ifp); 2926280078Sadrian} 2927280078Sadrian 2928280078Sadrianstatic void 2929278366Sadrianwpi_watchdog_rfkill(void *arg) 2930178354Ssam{ 2931278366Sadrian struct wpi_softc *sc = arg; 2932278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2933278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2934173362Sbenjsc 2935278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "RFkill Watchdog: tick\n"); 2936278366Sadrian 2937278366Sadrian /* No need to lock firmware memory. */ 2938278366Sadrian if ((wpi_prph_read(sc, WPI_APMG_RFKILL) & 0x1) == 0) { 2939278366Sadrian /* Radio kill switch is still off. */ 2940278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 2941278366Sadrian sc); 2942278366Sadrian } else 2943278366Sadrian ieee80211_runtask(ic, &sc->sc_radioon_task); 2944278366Sadrian} 2945278366Sadrian 2946280106Sadrianstatic void 2947280106Sadrianwpi_scan_timeout(void *arg) 2948280106Sadrian{ 2949280106Sadrian struct wpi_softc *sc = arg; 2950280106Sadrian struct ifnet *ifp = sc->sc_ifp; 2951280106Sadrian struct ieee80211com *ic = ifp->if_l2com; 2952280106Sadrian 2953280106Sadrian if_printf(ifp, "scan timeout\n"); 2954280106Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2955280106Sadrian} 2956280106Sadrian 2957278366Sadrianstatic void 2958280109Sadrianwpi_tx_timeout(void *arg) 2959278366Sadrian{ 2960278366Sadrian struct wpi_softc *sc = arg; 2961278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2962278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2963278366Sadrian 2964280109Sadrian if_printf(ifp, "device timeout\n"); 2965280109Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2966280109Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2967173362Sbenjsc} 2968173362Sbenjsc 2969173362Sbenjscstatic int 2970173362Sbenjscwpi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 2971173362Sbenjsc{ 2972173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2973178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2974278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2975178354Ssam struct ifreq *ifr = (struct ifreq *) data; 2976280095Sadrian int error = 0; 2977173362Sbenjsc 2978173362Sbenjsc switch (cmd) { 2979278366Sadrian case SIOCGIFADDR: 2980278366Sadrian error = ether_ioctl(ifp, cmd, data); 2981278366Sadrian break; 2982173362Sbenjsc case SIOCSIFFLAGS: 2983278366Sadrian if (ifp->if_flags & IFF_UP) { 2984280096Sadrian wpi_init(sc); 2985280095Sadrian 2986280096Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 && 2987280096Sadrian vap != NULL) 2988280096Sadrian ieee80211_stop(vap); 2989280095Sadrian } else if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) 2990280095Sadrian wpi_stop(sc); 2991173362Sbenjsc break; 2992178354Ssam case SIOCGIFMEDIA: 2993178354Ssam error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2994178354Ssam break; 2995178704Sthompsa default: 2996178704Sthompsa error = EINVAL; 2997178704Sthompsa break; 2998173362Sbenjsc } 2999173362Sbenjsc return error; 3000173362Sbenjsc} 3001173362Sbenjsc 3002173362Sbenjsc/* 3003173362Sbenjsc * Send a command to the firmware. 3004173362Sbenjsc */ 3005173362Sbenjscstatic int 3006278366Sadrianwpi_cmd(struct wpi_softc *sc, int code, const void *buf, size_t size, 3007278366Sadrian int async) 3008173362Sbenjsc{ 3009280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 3010173362Sbenjsc struct wpi_tx_desc *desc; 3011278366Sadrian struct wpi_tx_data *data; 3012173362Sbenjsc struct wpi_tx_cmd *cmd; 3013278366Sadrian struct mbuf *m; 3014278366Sadrian bus_addr_t paddr; 3015278366Sadrian int totlen, error; 3016173362Sbenjsc 3017280071Sadrian WPI_TXQ_LOCK(sc); 3018280071Sadrian 3019278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3020278366Sadrian 3021280071Sadrian if (sc->txq_active == 0) { 3022280071Sadrian /* wpi_stop() was called */ 3023280071Sadrian error = 0; 3024280071Sadrian goto fail; 3025280071Sadrian } 3026280071Sadrian 3027278366Sadrian if (async == 0) 3028173362Sbenjsc WPI_LOCK_ASSERT(sc); 3029173362Sbenjsc 3030280101Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "%s: cmd %s size %zu async %d\n", 3031280101Sadrian __func__, wpi_cmd_str(code), size, async); 3032173362Sbenjsc 3033173362Sbenjsc desc = &ring->desc[ring->cur]; 3034278366Sadrian data = &ring->data[ring->cur]; 3035278366Sadrian totlen = 4 + size; 3036173362Sbenjsc 3037278366Sadrian if (size > sizeof cmd->data) { 3038278366Sadrian /* Command is too large to fit in a descriptor. */ 3039280071Sadrian if (totlen > MCLBYTES) { 3040280071Sadrian error = EINVAL; 3041280071Sadrian goto fail; 3042280071Sadrian } 3043278366Sadrian m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 3044280071Sadrian if (m == NULL) { 3045280071Sadrian error = ENOMEM; 3046280071Sadrian goto fail; 3047280071Sadrian } 3048278366Sadrian cmd = mtod(m, struct wpi_tx_cmd *); 3049278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, cmd, 3050278366Sadrian totlen, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 3051278366Sadrian if (error != 0) { 3052278366Sadrian m_freem(m); 3053280071Sadrian goto fail; 3054278366Sadrian } 3055278366Sadrian data->m = m; 3056278366Sadrian } else { 3057278366Sadrian cmd = &ring->cmd[ring->cur]; 3058278366Sadrian paddr = data->cmd_paddr; 3059278366Sadrian } 3060278366Sadrian 3061173362Sbenjsc cmd->code = code; 3062173362Sbenjsc cmd->flags = 0; 3063173362Sbenjsc cmd->qid = ring->qid; 3064173362Sbenjsc cmd->idx = ring->cur; 3065173362Sbenjsc memcpy(cmd->data, buf, size); 3066173362Sbenjsc 3067278366Sadrian desc->nsegs = 1 + (WPI_PAD32(size) << 4); 3068278366Sadrian desc->segs[0].addr = htole32(paddr); 3069278366Sadrian desc->segs[0].len = htole32(totlen); 3070173362Sbenjsc 3071278366Sadrian if (size > sizeof cmd->data) { 3072278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 3073278366Sadrian BUS_DMASYNC_PREWRITE); 3074278366Sadrian } else { 3075278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 3076278366Sadrian BUS_DMASYNC_PREWRITE); 3077278366Sadrian } 3078278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 3079278366Sadrian BUS_DMASYNC_PREWRITE); 3080173362Sbenjsc 3081278366Sadrian /* Kick command ring. */ 3082278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 3083278366Sadrian wpi_update_tx_ring(sc, ring); 3084278366Sadrian 3085278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3086278366Sadrian 3087280071Sadrian WPI_TXQ_UNLOCK(sc); 3088280071Sadrian 3089280072Sadrian if (async) 3090173362Sbenjsc return 0; 3091173362Sbenjsc 3092280062Sadrian return mtx_sleep(cmd, &sc->sc_mtx, PCATCH, "wpicmd", hz); 3093280071Sadrian 3094280071Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3095280071Sadrian 3096280071Sadrian WPI_TXQ_UNLOCK(sc); 3097280071Sadrian 3098280071Sadrian return error; 3099173362Sbenjsc} 3100173362Sbenjsc 3101173362Sbenjsc/* 3102278366Sadrian * Configure HW multi-rate retries. 3103173362Sbenjsc */ 3104173362Sbenjscstatic int 3105173362Sbenjscwpi_mrr_setup(struct wpi_softc *sc) 3106173362Sbenjsc{ 3107178354Ssam struct ifnet *ifp = sc->sc_ifp; 3108178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3109173362Sbenjsc struct wpi_mrr_setup mrr; 3110173362Sbenjsc int i, error; 3111173362Sbenjsc 3112278366Sadrian /* CCK rates (not used with 802.11a). */ 3113278366Sadrian for (i = WPI_RIDX_CCK1; i <= WPI_RIDX_CCK11; i++) { 3114173362Sbenjsc mrr.rates[i].flags = 0; 3115278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3116278366Sadrian /* Fallback to the immediate lower CCK rate (if any.) */ 3117278366Sadrian mrr.rates[i].next = 3118278366Sadrian (i == WPI_RIDX_CCK1) ? WPI_RIDX_CCK1 : i - 1; 3119278366Sadrian /* Try one time at this rate before falling back to "next". */ 3120173362Sbenjsc mrr.rates[i].ntries = 1; 3121173362Sbenjsc } 3122278366Sadrian /* OFDM rates (not used with 802.11b). */ 3123278366Sadrian for (i = WPI_RIDX_OFDM6; i <= WPI_RIDX_OFDM54; i++) { 3124173362Sbenjsc mrr.rates[i].flags = 0; 3125278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3126278366Sadrian /* Fallback to the immediate lower rate (if any.) */ 3127278366Sadrian /* We allow fallback from OFDM/6 to CCK/2 in 11b/g mode. */ 3128278366Sadrian mrr.rates[i].next = (i == WPI_RIDX_OFDM6) ? 3129173362Sbenjsc ((ic->ic_curmode == IEEE80211_MODE_11A) ? 3130278366Sadrian WPI_RIDX_OFDM6 : WPI_RIDX_CCK2) : 3131173362Sbenjsc i - 1; 3132278366Sadrian /* Try one time at this rate before falling back to "next". */ 3133173362Sbenjsc mrr.rates[i].ntries = 1; 3134173362Sbenjsc } 3135278366Sadrian /* Setup MRR for control frames. */ 3136278366Sadrian mrr.which = htole32(WPI_MRR_CTL); 3137173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3138173362Sbenjsc if (error != 0) { 3139173362Sbenjsc device_printf(sc->sc_dev, 3140173362Sbenjsc "could not setup MRR for control frames\n"); 3141173362Sbenjsc return error; 3142173362Sbenjsc } 3143278366Sadrian /* Setup MRR for data frames. */ 3144278366Sadrian mrr.which = htole32(WPI_MRR_DATA); 3145173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3146173362Sbenjsc if (error != 0) { 3147173362Sbenjsc device_printf(sc->sc_dev, 3148173362Sbenjsc "could not setup MRR for data frames\n"); 3149173362Sbenjsc return error; 3150173362Sbenjsc } 3151173362Sbenjsc return 0; 3152173362Sbenjsc} 3153173362Sbenjsc 3154278366Sadrianstatic int 3155278366Sadrianwpi_add_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3156278366Sadrian{ 3157278366Sadrian struct ieee80211com *ic = ni->ni_ic; 3158280088Sadrian struct wpi_vap *wvp = WPI_VAP(ni->ni_vap); 3159280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3160278366Sadrian struct wpi_node_info node; 3161280088Sadrian int error; 3162278366Sadrian 3163278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3164278366Sadrian 3165278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 3166278366Sadrian return EINVAL; 3167278366Sadrian 3168278366Sadrian memset(&node, 0, sizeof node); 3169279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3170278366Sadrian node.id = wn->id; 3171278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3172278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3173278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3174278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3175278366Sadrian 3176280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: adding node %d (%s)\n", __func__, 3177280094Sadrian wn->id, ether_sprintf(ni->ni_macaddr)); 3178280094Sadrian 3179280088Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 3180280088Sadrian if (error != 0) { 3181280088Sadrian device_printf(sc->sc_dev, 3182280088Sadrian "%s: wpi_cmd() call failed with error code %d\n", __func__, 3183280088Sadrian error); 3184280088Sadrian return error; 3185280088Sadrian } 3186280088Sadrian 3187280088Sadrian if (wvp->wv_gtk != 0) { 3188280088Sadrian error = wpi_set_global_keys(ni); 3189280088Sadrian if (error != 0) { 3190280088Sadrian device_printf(sc->sc_dev, 3191280088Sadrian "%s: error while setting global keys\n", __func__); 3192280088Sadrian return ENXIO; 3193280088Sadrian } 3194280088Sadrian } 3195280088Sadrian 3196280088Sadrian return 0; 3197278366Sadrian} 3198278366Sadrian 3199278366Sadrian/* 3200278366Sadrian * Broadcast node is used to send group-addressed and management frames. 3201278366Sadrian */ 3202278366Sadrianstatic int 3203278366Sadrianwpi_add_broadcast_node(struct wpi_softc *sc, int async) 3204278366Sadrian{ 3205278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3206278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3207278366Sadrian struct wpi_node_info node; 3208278366Sadrian 3209278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3210278366Sadrian 3211278366Sadrian memset(&node, 0, sizeof node); 3212278366Sadrian IEEE80211_ADDR_COPY(node.macaddr, ifp->if_broadcastaddr); 3213278366Sadrian node.id = WPI_ID_BROADCAST; 3214278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3215278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3216278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3217278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3218278366Sadrian 3219280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: adding broadcast node\n", __func__); 3220280094Sadrian 3221278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, async); 3222278366Sadrian} 3223278366Sadrian 3224278366Sadrianstatic int 3225280070Sadrianwpi_add_sta_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3226280070Sadrian{ 3227280070Sadrian struct wpi_node *wn = WPI_NODE(ni); 3228280070Sadrian int error; 3229280070Sadrian 3230280070Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3231280070Sadrian 3232280070Sadrian wn->id = wpi_add_node_entry_sta(sc); 3233280070Sadrian 3234280070Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3235280070Sadrian wpi_del_node_entry(sc, wn->id); 3236280070Sadrian wn->id = WPI_ID_UNDEFINED; 3237280070Sadrian return error; 3238280070Sadrian } 3239280070Sadrian 3240280070Sadrian return 0; 3241280070Sadrian} 3242280070Sadrian 3243280070Sadrianstatic int 3244278366Sadrianwpi_add_ibss_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3245278366Sadrian{ 3246280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3247280069Sadrian int error; 3248278366Sadrian 3249280100Sadrian KASSERT(wn->id == WPI_ID_UNDEFINED, 3250280100Sadrian ("the node %d was added before", wn->id)); 3251280100Sadrian 3252278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3253278366Sadrian 3254280069Sadrian if ((wn->id = wpi_add_node_entry_adhoc(sc)) == WPI_ID_UNDEFINED) { 3255280069Sadrian device_printf(sc->sc_dev, "%s: h/w table is full\n", __func__); 3256280069Sadrian return ENOMEM; 3257280069Sadrian } 3258278366Sadrian 3259280069Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3260280069Sadrian wpi_del_node_entry(sc, wn->id); 3261280069Sadrian wn->id = WPI_ID_UNDEFINED; 3262280069Sadrian return error; 3263280069Sadrian } 3264278366Sadrian 3265280069Sadrian return 0; 3266278366Sadrian} 3267278366Sadrian 3268173362Sbenjscstatic void 3269278366Sadrianwpi_del_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3270278366Sadrian{ 3271280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3272278366Sadrian struct wpi_cmd_del_node node; 3273278366Sadrian int error; 3274278366Sadrian 3275280100Sadrian KASSERT(wn->id != WPI_ID_UNDEFINED, ("undefined node id passed")); 3276280100Sadrian 3277278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3278278366Sadrian 3279278366Sadrian memset(&node, 0, sizeof node); 3280279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3281278366Sadrian node.count = 1; 3282278366Sadrian 3283280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: deleting node %d (%s)\n", __func__, 3284280094Sadrian wn->id, ether_sprintf(ni->ni_macaddr)); 3285280094Sadrian 3286278366Sadrian error = wpi_cmd(sc, WPI_CMD_DEL_NODE, &node, sizeof node, 1); 3287278366Sadrian if (error != 0) { 3288278366Sadrian device_printf(sc->sc_dev, 3289278366Sadrian "%s: could not delete node %u, error %d\n", __func__, 3290278366Sadrian wn->id, error); 3291278366Sadrian } 3292278366Sadrian} 3293278366Sadrian 3294278366Sadrianstatic int 3295278366Sadrianwpi_updateedca(struct ieee80211com *ic) 3296278366Sadrian{ 3297278366Sadrian#define WPI_EXP2(x) ((1 << (x)) - 1) /* CWmin = 2^ECWmin - 1 */ 3298278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 3299278366Sadrian struct wpi_edca_params cmd; 3300278366Sadrian int aci, error; 3301278366Sadrian 3302278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3303278366Sadrian 3304278366Sadrian memset(&cmd, 0, sizeof cmd); 3305278366Sadrian cmd.flags = htole32(WPI_EDCA_UPDATE); 3306278366Sadrian for (aci = 0; aci < WME_NUM_AC; aci++) { 3307278366Sadrian const struct wmeParams *ac = 3308278366Sadrian &ic->ic_wme.wme_chanParams.cap_wmeParams[aci]; 3309278366Sadrian cmd.ac[aci].aifsn = ac->wmep_aifsn; 3310278366Sadrian cmd.ac[aci].cwmin = htole16(WPI_EXP2(ac->wmep_logcwmin)); 3311278366Sadrian cmd.ac[aci].cwmax = htole16(WPI_EXP2(ac->wmep_logcwmax)); 3312278366Sadrian cmd.ac[aci].txoplimit = 3313278366Sadrian htole16(IEEE80211_TXOP_TO_US(ac->wmep_txopLimit)); 3314278366Sadrian 3315278366Sadrian DPRINTF(sc, WPI_DEBUG_EDCA, 3316278366Sadrian "setting WME for queue %d aifsn=%d cwmin=%d cwmax=%d " 3317278366Sadrian "txoplimit=%d\n", aci, cmd.ac[aci].aifsn, 3318278366Sadrian cmd.ac[aci].cwmin, cmd.ac[aci].cwmax, 3319278366Sadrian cmd.ac[aci].txoplimit); 3320278366Sadrian } 3321278366Sadrian error = wpi_cmd(sc, WPI_CMD_EDCA_PARAMS, &cmd, sizeof cmd, 1); 3322278366Sadrian 3323278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3324278366Sadrian 3325278366Sadrian return error; 3326278366Sadrian#undef WPI_EXP2 3327278366Sadrian} 3328278366Sadrian 3329278366Sadrianstatic void 3330278366Sadrianwpi_set_promisc(struct wpi_softc *sc) 3331278366Sadrian{ 3332278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3333280105Sadrian struct ieee80211com *ic = ifp->if_l2com; 3334280105Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3335278366Sadrian uint32_t promisc_filter; 3336278366Sadrian 3337280105Sadrian promisc_filter = WPI_FILTER_CTL; 3338280105Sadrian if (vap != NULL && vap->iv_opmode != IEEE80211_M_HOSTAP) 3339280105Sadrian promisc_filter |= WPI_FILTER_PROMISC; 3340278366Sadrian 3341278366Sadrian if (ifp->if_flags & IFF_PROMISC) 3342278366Sadrian sc->rxon.filter |= htole32(promisc_filter); 3343278366Sadrian else 3344278366Sadrian sc->rxon.filter &= ~htole32(promisc_filter); 3345278366Sadrian} 3346278366Sadrian 3347278366Sadrianstatic void 3348278366Sadrianwpi_update_promisc(struct ifnet *ifp) 3349278366Sadrian{ 3350278366Sadrian struct wpi_softc *sc = ifp->if_softc; 3351278366Sadrian 3352280108Sadrian WPI_RXON_LOCK(sc); 3353278366Sadrian wpi_set_promisc(sc); 3354278366Sadrian 3355278366Sadrian if (wpi_send_rxon(sc, 1, 1) != 0) { 3356278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3357278366Sadrian __func__); 3358278366Sadrian } 3359280108Sadrian WPI_RXON_UNLOCK(sc); 3360278366Sadrian} 3361278366Sadrian 3362278366Sadrianstatic void 3363278366Sadrianwpi_update_mcast(struct ifnet *ifp) 3364278366Sadrian{ 3365278366Sadrian /* Ignore */ 3366278366Sadrian} 3367278366Sadrian 3368278366Sadrianstatic void 3369173362Sbenjscwpi_set_led(struct wpi_softc *sc, uint8_t which, uint8_t off, uint8_t on) 3370173362Sbenjsc{ 3371173362Sbenjsc struct wpi_cmd_led led; 3372173362Sbenjsc 3373278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3374278366Sadrian 3375173362Sbenjsc led.which = which; 3376173362Sbenjsc led.unit = htole32(100000); /* on/off in unit of 100ms */ 3377173362Sbenjsc led.off = off; 3378173362Sbenjsc led.on = on; 3379173362Sbenjsc (void)wpi_cmd(sc, WPI_CMD_SET_LED, &led, sizeof led, 1); 3380173362Sbenjsc} 3381173362Sbenjsc 3382278366Sadrianstatic int 3383278366Sadrianwpi_set_timing(struct wpi_softc *sc, struct ieee80211_node *ni) 3384173362Sbenjsc{ 3385278366Sadrian struct wpi_cmd_timing cmd; 3386173362Sbenjsc uint64_t val, mod; 3387173362Sbenjsc 3388278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3389173362Sbenjsc 3390278366Sadrian memset(&cmd, 0, sizeof cmd); 3391278366Sadrian memcpy(&cmd.tstamp, ni->ni_tstamp.data, sizeof (uint64_t)); 3392278366Sadrian cmd.bintval = htole16(ni->ni_intval); 3393278366Sadrian cmd.lintval = htole16(10); 3394173362Sbenjsc 3395278366Sadrian /* Compute remaining time until next beacon. */ 3396278366Sadrian val = (uint64_t)ni->ni_intval * IEEE80211_DUR_TU; 3397278366Sadrian mod = le64toh(cmd.tstamp) % val; 3398278366Sadrian cmd.binitval = htole32((uint32_t)(val - mod)); 3399278366Sadrian 3400278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "timing bintval=%u tstamp=%ju, init=%u\n", 3401278366Sadrian ni->ni_intval, le64toh(cmd.tstamp), (uint32_t)(val - mod)); 3402278366Sadrian 3403278366Sadrian return wpi_cmd(sc, WPI_CMD_TIMING, &cmd, sizeof cmd, 1); 3404173362Sbenjsc} 3405173362Sbenjsc 3406173362Sbenjsc/* 3407278366Sadrian * This function is called periodically (every 60 seconds) to adjust output 3408278366Sadrian * power to temperature changes. 3409173362Sbenjsc */ 3410278366Sadrianstatic void 3411278366Sadrianwpi_power_calibration(struct wpi_softc *sc) 3412278366Sadrian{ 3413278366Sadrian int temp; 3414278366Sadrian 3415278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3416278366Sadrian 3417278366Sadrian /* Update sensor data. */ 3418278366Sadrian temp = (int)WPI_READ(sc, WPI_UCODE_GP2); 3419278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "Temp in calibration is: %d\n", temp); 3420278366Sadrian 3421278366Sadrian /* Sanity-check read value. */ 3422278366Sadrian if (temp < -260 || temp > 25) { 3423278366Sadrian /* This can't be correct, ignore. */ 3424278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3425278366Sadrian "out-of-range temperature reported: %d\n", temp); 3426278366Sadrian return; 3427278366Sadrian } 3428278366Sadrian 3429278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d->%d\n", sc->temp, temp); 3430278366Sadrian 3431278366Sadrian /* Adjust Tx power if need be. */ 3432278366Sadrian if (abs(temp - sc->temp) <= 6) 3433278366Sadrian return; 3434278366Sadrian 3435278366Sadrian sc->temp = temp; 3436278366Sadrian 3437278366Sadrian if (wpi_set_txpower(sc, 1) != 0) { 3438278366Sadrian /* just warn, too bad for the automatic calibration... */ 3439278366Sadrian device_printf(sc->sc_dev,"could not adjust Tx power\n"); 3440278366Sadrian } 3441278366Sadrian} 3442278366Sadrian 3443278366Sadrian/* 3444278366Sadrian * Set TX power for current channel. 3445278366Sadrian */ 3446173362Sbenjscstatic int 3447278366Sadrianwpi_set_txpower(struct wpi_softc *sc, int async) 3448173362Sbenjsc{ 3449280067Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3450278366Sadrian struct ieee80211_channel *ch; 3451278366Sadrian struct wpi_power_group *group; 3452278366Sadrian struct wpi_cmd_txpower cmd; 3453278366Sadrian uint8_t chan; 3454278366Sadrian int idx, i; 3455173362Sbenjsc 3456278366Sadrian /* Retrieve current channel from last RXON. */ 3457278366Sadrian chan = sc->rxon.chan; 3458278366Sadrian ch = &ic->ic_channels[chan]; 3459173362Sbenjsc 3460278366Sadrian /* Find the TX power group to which this channel belongs. */ 3461278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3462278366Sadrian for (group = &sc->groups[1]; group < &sc->groups[4]; group++) 3463278366Sadrian if (chan <= group->chan) 3464278366Sadrian break; 3465278366Sadrian } else 3466278366Sadrian group = &sc->groups[0]; 3467278366Sadrian 3468278366Sadrian memset(&cmd, 0, sizeof cmd); 3469278366Sadrian cmd.band = IEEE80211_IS_CHAN_5GHZ(ch) ? 0 : 1; 3470278366Sadrian cmd.chan = htole16(chan); 3471278366Sadrian 3472278366Sadrian /* Set TX power for all OFDM and CCK rates. */ 3473278366Sadrian for (i = 0; i <= WPI_RIDX_MAX ; i++) { 3474278366Sadrian /* Retrieve TX power for this channel/rate. */ 3475278366Sadrian idx = wpi_get_power_index(sc, group, ch, i); 3476278366Sadrian 3477278366Sadrian cmd.rates[i].plcp = wpi_ridx_to_plcp[i]; 3478278366Sadrian 3479278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3480278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_5ghz[idx]; 3481278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_5ghz[idx]; 3482278366Sadrian } else { 3483278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_2ghz[idx]; 3484278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_2ghz[idx]; 3485278366Sadrian } 3486278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3487278366Sadrian "chan %d/ridx %d: power index %d\n", chan, i, idx); 3488173362Sbenjsc } 3489173362Sbenjsc 3490278366Sadrian return wpi_cmd(sc, WPI_CMD_TXPOWER, &cmd, sizeof cmd, async); 3491278366Sadrian} 3492173362Sbenjsc 3493278366Sadrian/* 3494278366Sadrian * Determine Tx power index for a given channel/rate combination. 3495278366Sadrian * This takes into account the regulatory information from EEPROM and the 3496278366Sadrian * current temperature. 3497278366Sadrian */ 3498278366Sadrianstatic int 3499278366Sadrianwpi_get_power_index(struct wpi_softc *sc, struct wpi_power_group *group, 3500278366Sadrian struct ieee80211_channel *c, int ridx) 3501278366Sadrian{ 3502278366Sadrian/* Fixed-point arithmetic division using a n-bit fractional part. */ 3503280059Sadrian#define fdivround(a, b, n) \ 3504278366Sadrian ((((1 << n) * (a)) / (b) + (1 << n) / 2) / (1 << n)) 3505173362Sbenjsc 3506278366Sadrian/* Linear interpolation. */ 3507280059Sadrian#define interpolate(x, x1, y1, x2, y2, n) \ 3508278366Sadrian ((y1) + fdivround(((x) - (x1)) * ((y2) - (y1)), (x2) - (x1), n)) 3509173362Sbenjsc 3510280067Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3511278366Sadrian struct wpi_power_sample *sample; 3512278366Sadrian int pwr, idx; 3513278366Sadrian u_int chan; 3514278366Sadrian 3515278366Sadrian /* Get channel number. */ 3516278366Sadrian chan = ieee80211_chan2ieee(ic, c); 3517278366Sadrian 3518278366Sadrian /* Default TX power is group maximum TX power minus 3dB. */ 3519278366Sadrian pwr = group->maxpwr / 2; 3520278366Sadrian 3521278366Sadrian /* Decrease TX power for highest OFDM rates to reduce distortion. */ 3522278366Sadrian switch (ridx) { 3523278366Sadrian case WPI_RIDX_OFDM36: 3524278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 0 : 5; 3525278366Sadrian break; 3526278366Sadrian case WPI_RIDX_OFDM48: 3527278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 7 : 10; 3528278366Sadrian break; 3529278366Sadrian case WPI_RIDX_OFDM54: 3530278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 9 : 12; 3531278366Sadrian break; 3532173362Sbenjsc } 3533173362Sbenjsc 3534278366Sadrian /* Never exceed the channel maximum allowed TX power. */ 3535278366Sadrian pwr = min(pwr, sc->maxpwr[chan]); 3536173362Sbenjsc 3537278366Sadrian /* Retrieve TX power index into gain tables from samples. */ 3538278366Sadrian for (sample = group->samples; sample < &group->samples[3]; sample++) 3539278366Sadrian if (pwr > sample[1].power) 3540278366Sadrian break; 3541278366Sadrian /* Fixed-point linear interpolation using a 19-bit fractional part. */ 3542278366Sadrian idx = interpolate(pwr, sample[0].power, sample[0].index, 3543278366Sadrian sample[1].power, sample[1].index, 19); 3544173362Sbenjsc 3545278366Sadrian /*- 3546278366Sadrian * Adjust power index based on current temperature: 3547278366Sadrian * - if cooler than factory-calibrated: decrease output power 3548278366Sadrian * - if warmer than factory-calibrated: increase output power 3549278366Sadrian */ 3550278366Sadrian idx -= (sc->temp - group->temp) * 11 / 100; 3551173362Sbenjsc 3552278366Sadrian /* Decrease TX power for CCK rates (-5dB). */ 3553278366Sadrian if (ridx >= WPI_RIDX_CCK1) 3554278366Sadrian idx += 10; 3555278366Sadrian 3556278366Sadrian /* Make sure idx stays in a valid range. */ 3557278366Sadrian if (idx < 0) 3558278366Sadrian return 0; 3559278366Sadrian if (idx > WPI_MAX_PWR_INDEX) 3560278366Sadrian return WPI_MAX_PWR_INDEX; 3561278366Sadrian return idx; 3562278366Sadrian 3563278366Sadrian#undef interpolate 3564278366Sadrian#undef fdivround 3565173362Sbenjsc} 3566173362Sbenjsc 3567278366Sadrian/* 3568278366Sadrian * Set STA mode power saving level (between 0 and 5). 3569278366Sadrian * Level 0 is CAM (Continuously Aware Mode), 5 is for maximum power saving. 3570278366Sadrian */ 3571173362Sbenjscstatic int 3572278366Sadrianwpi_set_pslevel(struct wpi_softc *sc, uint8_t dtim, int level, int async) 3573173362Sbenjsc{ 3574278366Sadrian struct wpi_pmgt_cmd cmd; 3575278366Sadrian const struct wpi_pmgt *pmgt; 3576278366Sadrian uint32_t max, skip_dtim; 3577278366Sadrian uint32_t reg; 3578278366Sadrian int i; 3579278366Sadrian 3580278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 3581278366Sadrian "%s: dtim=%d, level=%d, async=%d\n", 3582278366Sadrian __func__, dtim, level, async); 3583278366Sadrian 3584278366Sadrian /* Select which PS parameters to use. */ 3585278366Sadrian if (dtim <= 10) 3586278366Sadrian pmgt = &wpi_pmgt[0][level]; 3587278366Sadrian else 3588278366Sadrian pmgt = &wpi_pmgt[1][level]; 3589278366Sadrian 3590278366Sadrian memset(&cmd, 0, sizeof cmd); 3591278366Sadrian if (level != 0) /* not CAM */ 3592278366Sadrian cmd.flags |= htole16(WPI_PS_ALLOW_SLEEP); 3593278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 3594278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 3595278366Sadrian if (!(reg & 0x1)) /* L0s Entry disabled. */ 3596278366Sadrian cmd.flags |= htole16(WPI_PS_PCI_PMGT); 3597278366Sadrian 3598278366Sadrian cmd.rxtimeout = htole32(pmgt->rxtimeout * IEEE80211_DUR_TU); 3599278366Sadrian cmd.txtimeout = htole32(pmgt->txtimeout * IEEE80211_DUR_TU); 3600278366Sadrian 3601278366Sadrian if (dtim == 0) { 3602278366Sadrian dtim = 1; 3603278366Sadrian skip_dtim = 0; 3604278366Sadrian } else 3605278366Sadrian skip_dtim = pmgt->skip_dtim; 3606278366Sadrian 3607278366Sadrian if (skip_dtim != 0) { 3608278366Sadrian cmd.flags |= htole16(WPI_PS_SLEEP_OVER_DTIM); 3609278366Sadrian max = pmgt->intval[4]; 3610278366Sadrian if (max == (uint32_t)-1) 3611278366Sadrian max = dtim * (skip_dtim + 1); 3612278366Sadrian else if (max > dtim) 3613278366Sadrian max = (max / dtim) * dtim; 3614278366Sadrian } else 3615278366Sadrian max = dtim; 3616278366Sadrian 3617278366Sadrian for (i = 0; i < 5; i++) 3618278366Sadrian cmd.intval[i] = htole32(MIN(max, pmgt->intval[i])); 3619278366Sadrian 3620278366Sadrian return wpi_cmd(sc, WPI_CMD_SET_POWER_MODE, &cmd, sizeof cmd, async); 3621278366Sadrian} 3622278366Sadrian 3623280059Sadrianstatic int 3624278366Sadrianwpi_send_btcoex(struct wpi_softc *sc) 3625278366Sadrian{ 3626278366Sadrian struct wpi_bluetooth cmd; 3627278366Sadrian 3628280059Sadrian memset(&cmd, 0, sizeof cmd); 3629280059Sadrian cmd.flags = WPI_BT_COEX_MODE_4WIRE; 3630280059Sadrian cmd.lead_time = WPI_BT_LEAD_TIME_DEF; 3631280059Sadrian cmd.max_kill = WPI_BT_MAX_KILL_DEF; 3632278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "%s: configuring bluetooth coexistence\n", 3633278366Sadrian __func__); 3634280059Sadrian return wpi_cmd(sc, WPI_CMD_BT_COEX, &cmd, sizeof(cmd), 0); 3635278366Sadrian} 3636278366Sadrian 3637278366Sadrianstatic int 3638278366Sadrianwpi_send_rxon(struct wpi_softc *sc, int assoc, int async) 3639278366Sadrian{ 3640173362Sbenjsc int error; 3641173362Sbenjsc 3642280108Sadrian if (async) 3643280108Sadrian WPI_RXON_LOCK_ASSERT(sc); 3644280108Sadrian 3645278366Sadrian if (assoc && (sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3646278366Sadrian struct wpi_assoc rxon_assoc; 3647177043Sthompsa 3648278366Sadrian rxon_assoc.flags = sc->rxon.flags; 3649278366Sadrian rxon_assoc.filter = sc->rxon.filter; 3650278366Sadrian rxon_assoc.ofdm_mask = sc->rxon.ofdm_mask; 3651278366Sadrian rxon_assoc.cck_mask = sc->rxon.cck_mask; 3652278366Sadrian rxon_assoc.reserved = 0; 3653278366Sadrian 3654278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON_ASSOC, &rxon_assoc, 3655278366Sadrian sizeof (struct wpi_assoc), async); 3656280102Sadrian if (error != 0) { 3657280102Sadrian device_printf(sc->sc_dev, 3658280102Sadrian "RXON_ASSOC command failed, error %d\n", error); 3659280102Sadrian return error; 3660280102Sadrian } 3661216522Sbschmidt } else { 3662280102Sadrian if (async) { 3663280077Sadrian WPI_NT_LOCK(sc); 3664280102Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3665280102Sadrian sizeof (struct wpi_rxon), async); 3666280102Sadrian if (error == 0) 3667280102Sadrian wpi_clear_node_table(sc); 3668280077Sadrian WPI_NT_UNLOCK(sc); 3669280102Sadrian } else { 3670280102Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3671280102Sadrian sizeof (struct wpi_rxon), async); 3672280102Sadrian if (error == 0) 3673280102Sadrian wpi_clear_node_table(sc); 3674280102Sadrian } 3675173362Sbenjsc 3676280102Sadrian if (error != 0) { 3677280102Sadrian device_printf(sc->sc_dev, 3678280102Sadrian "RXON command failed, error %d\n", error); 3679280102Sadrian return error; 3680280102Sadrian } 3681173362Sbenjsc 3682278366Sadrian /* Add broadcast node. */ 3683278366Sadrian error = wpi_add_broadcast_node(sc, async); 3684278366Sadrian if (error != 0) { 3685278366Sadrian device_printf(sc->sc_dev, 3686278366Sadrian "could not add broadcast node, error %d\n", error); 3687278366Sadrian return error; 3688278366Sadrian } 3689278366Sadrian } 3690177043Sthompsa 3691280102Sadrian /* Configuration has changed, set Tx power accordingly. */ 3692280102Sadrian if ((error = wpi_set_txpower(sc, async)) != 0) { 3693280102Sadrian device_printf(sc->sc_dev, 3694280102Sadrian "%s: could not set TX power, error %d\n", __func__, error); 3695280102Sadrian return error; 3696280102Sadrian } 3697280102Sadrian 3698278366Sadrian return 0; 3699177043Sthompsa} 3700177043Sthompsa 3701278366Sadrian/** 3702278366Sadrian * Configure the card to listen to a particular channel, this transisions the 3703278366Sadrian * card in to being able to receive frames from remote devices. 3704278366Sadrian */ 3705177043Sthompsastatic int 3706278366Sadrianwpi_config(struct wpi_softc *sc) 3707177043Sthompsa{ 3708278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3709278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3710279762Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3711278366Sadrian uint32_t flags; 3712177043Sthompsa int error; 3713177043Sthompsa 3714278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3715278366Sadrian 3716278366Sadrian /* Set power saving level to CAM during initialization. */ 3717278366Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 0)) != 0) { 3718278366Sadrian device_printf(sc->sc_dev, 3719278366Sadrian "%s: could not set power saving level\n", __func__); 3720278366Sadrian return error; 3721178354Ssam } 3722178354Ssam 3723278366Sadrian /* Configure bluetooth coexistence. */ 3724278366Sadrian if ((error = wpi_send_btcoex(sc)) != 0) { 3725278366Sadrian device_printf(sc->sc_dev, 3726278366Sadrian "could not configure bluetooth coexistence\n"); 3727278366Sadrian return error; 3728278366Sadrian } 3729177043Sthompsa 3730278366Sadrian /* Configure adapter. */ 3731278366Sadrian memset(&sc->rxon, 0, sizeof (struct wpi_rxon)); 3732279762Sadrian IEEE80211_ADDR_COPY(sc->rxon.myaddr, vap->iv_myaddr); 3733177043Sthompsa 3734278366Sadrian /* Set default channel. */ 3735278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ic->ic_curchan); 3736278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3737278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) 3738278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3739177043Sthompsa 3740278764Sadrian sc->rxon.filter = WPI_FILTER_MULTICAST; 3741278366Sadrian switch (ic->ic_opmode) { 3742278366Sadrian case IEEE80211_M_STA: 3743278366Sadrian sc->rxon.mode = WPI_MODE_STA; 3744278366Sadrian break; 3745278366Sadrian case IEEE80211_M_IBSS: 3746278366Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3747278764Sadrian sc->rxon.filter |= WPI_FILTER_BEACON; 3748278366Sadrian break; 3749280105Sadrian case IEEE80211_M_HOSTAP: 3750280105Sadrian /* XXX workaround for beaconing */ 3751280105Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3752280105Sadrian sc->rxon.filter |= WPI_FILTER_ASSOC | WPI_FILTER_PROMISC; 3753280105Sadrian break; 3754278366Sadrian case IEEE80211_M_AHDEMO: 3755280105Sadrian /* XXX workaround for passive channels selection */ 3756278366Sadrian sc->rxon.mode = WPI_MODE_HOSTAP; 3757278366Sadrian break; 3758278366Sadrian case IEEE80211_M_MONITOR: 3759278366Sadrian sc->rxon.mode = WPI_MODE_MONITOR; 3760278366Sadrian break; 3761278366Sadrian default: 3762280066Sadrian device_printf(sc->sc_dev, "unknown opmode %d\n", 3763280066Sadrian ic->ic_opmode); 3764278366Sadrian return EINVAL; 3765278366Sadrian } 3766278764Sadrian sc->rxon.filter = htole32(sc->rxon.filter); 3767278366Sadrian wpi_set_promisc(sc); 3768278366Sadrian sc->rxon.cck_mask = 0x0f; /* not yet negotiated */ 3769278366Sadrian sc->rxon.ofdm_mask = 0xff; /* not yet negotiated */ 3770278366Sadrian 3771278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) { 3772278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3773278366Sadrian __func__); 3774173362Sbenjsc return error; 3775173362Sbenjsc } 3776173362Sbenjsc 3777278366Sadrian /* Setup rate scalling. */ 3778278366Sadrian if ((error = wpi_mrr_setup(sc)) != 0) { 3779278366Sadrian device_printf(sc->sc_dev, "could not setup MRR, error %d\n", 3780278366Sadrian error); 3781278366Sadrian return error; 3782278366Sadrian } 3783278366Sadrian 3784278366Sadrian /* Disable beacon notifications (unused). */ 3785278366Sadrian flags = WPI_STATISTICS_BEACON_DISABLE; 3786278366Sadrian error = wpi_cmd(sc, WPI_CMD_GET_STATISTICS, &flags, sizeof flags, 1); 3787177043Sthompsa if (error != 0) { 3788278366Sadrian device_printf(sc->sc_dev, 3789278366Sadrian "could not disable beacon statistics, error %d\n", error); 3790177043Sthompsa return error; 3791177043Sthompsa } 3792173362Sbenjsc 3793278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3794177043Sthompsa 3795278366Sadrian return 0; 3796278366Sadrian} 3797177043Sthompsa 3798278366Sadrianstatic uint16_t 3799278366Sadrianwpi_get_active_dwell_time(struct wpi_softc *sc, 3800278366Sadrian struct ieee80211_channel *c, uint8_t n_probes) 3801278366Sadrian{ 3802278366Sadrian /* No channel? Default to 2GHz settings. */ 3803278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) { 3804278366Sadrian return (WPI_ACTIVE_DWELL_TIME_2GHZ + 3805278366Sadrian WPI_ACTIVE_DWELL_FACTOR_2GHZ * (n_probes + 1)); 3806278366Sadrian } 3807278366Sadrian 3808278366Sadrian /* 5GHz dwell time. */ 3809278366Sadrian return (WPI_ACTIVE_DWELL_TIME_5GHZ + 3810278366Sadrian WPI_ACTIVE_DWELL_FACTOR_5GHZ * (n_probes + 1)); 3811173362Sbenjsc} 3812173362Sbenjsc 3813173362Sbenjsc/* 3814278366Sadrian * Limit the total dwell time to 85% of the beacon interval. 3815278366Sadrian * 3816278366Sadrian * Returns the dwell time in milliseconds. 3817173362Sbenjsc */ 3818278366Sadrianstatic uint16_t 3819278366Sadrianwpi_limit_dwell(struct wpi_softc *sc, uint16_t dwell_time) 3820278366Sadrian{ 3821278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3822280103Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3823278366Sadrian int bintval = 0; 3824278366Sadrian 3825278366Sadrian /* bintval is in TU (1.024mS) */ 3826280103Sadrian if (vap != NULL) 3827278366Sadrian bintval = vap->iv_bss->ni_intval; 3828278366Sadrian 3829278366Sadrian /* 3830278366Sadrian * If it's non-zero, we should calculate the minimum of 3831278366Sadrian * it and the DWELL_BASE. 3832278366Sadrian * 3833278366Sadrian * XXX Yes, the math should take into account that bintval 3834278366Sadrian * is 1.024mS, not 1mS.. 3835278366Sadrian */ 3836278366Sadrian if (bintval > 0) { 3837278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "%s: bintval=%d\n", __func__, 3838278366Sadrian bintval); 3839278366Sadrian return (MIN(WPI_PASSIVE_DWELL_BASE, ((bintval * 85) / 100))); 3840278366Sadrian } 3841278366Sadrian 3842278366Sadrian /* No association context? Default. */ 3843278366Sadrian return (WPI_PASSIVE_DWELL_BASE); 3844278366Sadrian} 3845278366Sadrian 3846278366Sadrianstatic uint16_t 3847278366Sadrianwpi_get_passive_dwell_time(struct wpi_softc *sc, struct ieee80211_channel *c) 3848278366Sadrian{ 3849278366Sadrian uint16_t passive; 3850278366Sadrian 3851278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) 3852278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_2GHZ; 3853278366Sadrian else 3854278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_5GHZ; 3855278366Sadrian 3856278366Sadrian /* Clamp to the beacon interval if we're associated. */ 3857278366Sadrian return (wpi_limit_dwell(sc, passive)); 3858278366Sadrian} 3859278366Sadrian 3860278366Sadrian/* 3861278366Sadrian * Send a scan request to the firmware. 3862278366Sadrian */ 3863173362Sbenjscstatic int 3864278366Sadrianwpi_scan(struct wpi_softc *sc, struct ieee80211_channel *c) 3865173362Sbenjsc{ 3866178354Ssam struct ifnet *ifp = sc->sc_ifp; 3867178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3868177043Sthompsa struct ieee80211_scan_state *ss = ic->ic_scan; 3869279762Sadrian struct ieee80211vap *vap = ss->ss_vap; 3870173362Sbenjsc struct wpi_scan_hdr *hdr; 3871278366Sadrian struct wpi_cmd_data *tx; 3872278366Sadrian struct wpi_scan_essid *essids; 3873173362Sbenjsc struct wpi_scan_chan *chan; 3874173362Sbenjsc struct ieee80211_frame *wh; 3875173362Sbenjsc struct ieee80211_rateset *rs; 3876278366Sadrian uint16_t dwell_active, dwell_passive; 3877278366Sadrian uint8_t *buf, *frm; 3878278366Sadrian int buflen, error, i, nssid; 3879173362Sbenjsc 3880278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3881173362Sbenjsc 3882278366Sadrian /* 3883278366Sadrian * We are absolutely not allowed to send a scan command when another 3884278366Sadrian * scan command is pending. 3885278366Sadrian */ 3886280106Sadrian if (callout_pending(&sc->scan_timeout)) { 3887278366Sadrian device_printf(sc->sc_dev, "%s: called whilst scanning!\n", 3888278366Sadrian __func__); 3889280060Sadrian 3890280060Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3891280060Sadrian 3892278366Sadrian return (EAGAIN); 3893278366Sadrian } 3894278366Sadrian 3895278366Sadrian buf = malloc(WPI_SCAN_MAXSZ, M_DEVBUF, M_NOWAIT | M_ZERO); 3896278366Sadrian if (buf == NULL) { 3897173362Sbenjsc device_printf(sc->sc_dev, 3898278366Sadrian "%s: could not allocate buffer for scan command\n", 3899278366Sadrian __func__); 3900280060Sadrian error = ENOMEM; 3901280060Sadrian goto fail; 3902173362Sbenjsc } 3903278366Sadrian hdr = (struct wpi_scan_hdr *)buf; 3904173362Sbenjsc 3905173362Sbenjsc /* 3906278366Sadrian * Move to the next channel if no packets are received within 10 msecs 3907278366Sadrian * after sending the probe request. 3908173362Sbenjsc */ 3909278366Sadrian hdr->quiet_time = htole16(10); /* timeout in milliseconds */ 3910278366Sadrian hdr->quiet_threshold = htole16(1); /* min # of packets */ 3911278366Sadrian /* 3912278366Sadrian * Max needs to be greater than active and passive and quiet! 3913278366Sadrian * It's also in microseconds! 3914278366Sadrian */ 3915278366Sadrian hdr->max_svc = htole32(250 * IEEE80211_DUR_TU); 3916278366Sadrian hdr->pause_svc = htole32((4 << 24) | 3917278366Sadrian (100 * IEEE80211_DUR_TU)); /* Hardcode for now */ 3918278366Sadrian hdr->filter = htole32(WPI_FILTER_MULTICAST | WPI_FILTER_BEACON); 3919173362Sbenjsc 3920278366Sadrian tx = (struct wpi_cmd_data *)(hdr + 1); 3921278366Sadrian tx->flags = htole32(WPI_TX_AUTO_SEQ); 3922278366Sadrian tx->id = WPI_ID_BROADCAST; 3923278366Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 3924173362Sbenjsc 3925278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) { 3926278366Sadrian /* Send probe requests at 6Mbps. */ 3927278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_OFDM6]; 3928278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11A]; 3929173362Sbenjsc } else { 3930278366Sadrian hdr->flags = htole32(WPI_RXON_24GHZ | WPI_RXON_AUTO); 3931278366Sadrian /* Send probe requests at 1Mbps. */ 3932278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3933278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11G]; 3934173362Sbenjsc } 3935173362Sbenjsc 3936278366Sadrian essids = (struct wpi_scan_essid *)(tx + 1); 3937177043Sthompsa nssid = MIN(ss->ss_nssid, WPI_SCAN_MAX_ESSIDS); 3938178354Ssam for (i = 0; i < nssid; i++) { 3939278366Sadrian essids[i].id = IEEE80211_ELEMID_SSID; 3940278366Sadrian essids[i].len = MIN(ss->ss_ssid[i].len, IEEE80211_NWID_LEN); 3941278366Sadrian memcpy(essids[i].data, ss->ss_ssid[i].ssid, essids[i].len); 3942179957Sthompsa#ifdef WPI_DEBUG 3943278366Sadrian if (sc->sc_debug & WPI_DEBUG_SCAN) { 3944177043Sthompsa printf("Scanning Essid: "); 3945278366Sadrian ieee80211_print_essid(essids[i].data, essids[i].len); 3946177043Sthompsa printf("\n"); 3947177043Sthompsa } 3948179957Sthompsa#endif 3949173362Sbenjsc } 3950173362Sbenjsc 3951173362Sbenjsc /* 3952173362Sbenjsc * Build a probe request frame. Most of the following code is a 3953173362Sbenjsc * copy & paste of what is done in net80211. 3954173362Sbenjsc */ 3955278366Sadrian wh = (struct ieee80211_frame *)(essids + WPI_SCAN_MAX_ESSIDS); 3956173362Sbenjsc wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 3957173362Sbenjsc IEEE80211_FC0_SUBTYPE_PROBE_REQ; 3958173362Sbenjsc wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 3959173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr1, ifp->if_broadcastaddr); 3960279762Sadrian IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); 3961173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr3, ifp->if_broadcastaddr); 3962278366Sadrian *(uint16_t *)&wh->i_dur[0] = 0; /* filled by h/w */ 3963278366Sadrian *(uint16_t *)&wh->i_seq[0] = 0; /* filled by h/w */ 3964173362Sbenjsc 3965173362Sbenjsc frm = (uint8_t *)(wh + 1); 3966275966Sadrian frm = ieee80211_add_ssid(frm, NULL, 0); 3967275966Sadrian frm = ieee80211_add_rates(frm, rs); 3968278366Sadrian if (rs->rs_nrates > IEEE80211_RATE_SIZE) 3969278366Sadrian frm = ieee80211_add_xrates(frm, rs); 3970173362Sbenjsc 3971278366Sadrian /* Set length of probe request. */ 3972278366Sadrian tx->len = htole16(frm - (uint8_t *)wh); 3973173362Sbenjsc 3974173362Sbenjsc /* 3975173362Sbenjsc * Construct information about the channel that we 3976173362Sbenjsc * want to scan. The firmware expects this to be directly 3977173362Sbenjsc * after the scan probe request 3978173362Sbenjsc */ 3979173362Sbenjsc chan = (struct wpi_scan_chan *)frm; 3980278366Sadrian chan->chan = htole16(ieee80211_chan2ieee(ic, c)); 3981173362Sbenjsc chan->flags = 0; 3982278366Sadrian if (nssid) { 3983278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_DEFAULT; 3984278366Sadrian chan->flags |= WPI_CHAN_NPBREQS(nssid); 3985278366Sadrian } else 3986278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_NEVER; 3987278366Sadrian 3988278764Sadrian if (!IEEE80211_IS_CHAN_PASSIVE(c)) 3989173362Sbenjsc chan->flags |= WPI_CHAN_ACTIVE; 3990173362Sbenjsc 3991278366Sadrian /* 3992278366Sadrian * Calculate the active/passive dwell times. 3993278366Sadrian */ 3994173362Sbenjsc 3995278366Sadrian dwell_active = wpi_get_active_dwell_time(sc, c, nssid); 3996278366Sadrian dwell_passive = wpi_get_passive_dwell_time(sc, c); 3997278366Sadrian 3998278366Sadrian /* Make sure they're valid. */ 3999278366Sadrian if (dwell_passive <= dwell_active) 4000278366Sadrian dwell_passive = dwell_active + 1; 4001278366Sadrian 4002278366Sadrian chan->active = htole16(dwell_active); 4003278366Sadrian chan->passive = htole16(dwell_passive); 4004278366Sadrian 4005278366Sadrian chan->dsp_gain = 0x6e; /* Default level */ 4006278366Sadrian 4007278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) 4008278366Sadrian chan->rf_gain = 0x3b; 4009278366Sadrian else 4010278366Sadrian chan->rf_gain = 0x28; 4011278366Sadrian 4012278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "Scanning %u Passive: %d\n", 4013280059Sadrian chan->chan, IEEE80211_IS_CHAN_PASSIVE(c)); 4014278366Sadrian 4015173362Sbenjsc hdr->nchan++; 4016173362Sbenjsc chan++; 4017173362Sbenjsc 4018278366Sadrian buflen = (uint8_t *)chan - buf; 4019278366Sadrian hdr->len = htole16(buflen); 4020173362Sbenjsc 4021278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "sending scan command nchan=%d\n", 4022278366Sadrian hdr->nchan); 4023278366Sadrian error = wpi_cmd(sc, WPI_CMD_SCAN, buf, buflen, 1); 4024278366Sadrian free(buf, M_DEVBUF); 4025173362Sbenjsc 4026280060Sadrian if (error != 0) 4027280060Sadrian goto fail; 4028280060Sadrian 4029280106Sadrian callout_reset(&sc->scan_timeout, 5*hz, wpi_scan_timeout, sc); 4030173362Sbenjsc 4031278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4032173362Sbenjsc 4033280060Sadrian return 0; 4034280060Sadrian 4035280060Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 4036280060Sadrian 4037278366Sadrian return error; 4038278366Sadrian} 4039173362Sbenjsc 4040278366Sadrianstatic int 4041278366Sadrianwpi_auth(struct wpi_softc *sc, struct ieee80211vap *vap) 4042278366Sadrian{ 4043278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4044278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4045278366Sadrian int error; 4046173362Sbenjsc 4047280108Sadrian WPI_RXON_LOCK(sc); 4048280108Sadrian 4049278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4050278366Sadrian 4051278366Sadrian /* Update adapter configuration. */ 4052278366Sadrian sc->rxon.associd = 0; 4053278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 4054278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4055278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 4056278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4057278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 4058278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4059278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4060278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4061278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4062278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4063278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 4064278366Sadrian sc->rxon.cck_mask = 0; 4065278366Sadrian sc->rxon.ofdm_mask = 0x15; 4066278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 4067278366Sadrian sc->rxon.cck_mask = 0x03; 4068278366Sadrian sc->rxon.ofdm_mask = 0; 4069278366Sadrian } else { 4070278366Sadrian /* Assume 802.11b/g. */ 4071278366Sadrian sc->rxon.cck_mask = 0x0f; 4072278366Sadrian sc->rxon.ofdm_mask = 0x15; 4073173362Sbenjsc } 4074173362Sbenjsc 4075278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x cck %x ofdm %x\n", 4076278366Sadrian sc->rxon.chan, sc->rxon.flags, sc->rxon.cck_mask, 4077278366Sadrian sc->rxon.ofdm_mask); 4078173362Sbenjsc 4079278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4080278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4081278366Sadrian __func__); 4082278366Sadrian } 4083173362Sbenjsc 4084278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4085173362Sbenjsc 4086280108Sadrian WPI_RXON_UNLOCK(sc); 4087280108Sadrian 4088278366Sadrian return error; 4089173362Sbenjsc} 4090173362Sbenjsc 4091173362Sbenjscstatic int 4092280084Sadrianwpi_config_beacon(struct wpi_vap *wvp) 4093280084Sadrian{ 4094280085Sadrian struct ieee80211com *ic = wvp->wv_vap.iv_ic; 4095280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4096280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4097280084Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4098280084Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 4099280084Sadrian struct ieee80211_tim_ie *tie; 4100280084Sadrian struct mbuf *m; 4101280084Sadrian uint8_t *ptr; 4102280084Sadrian int error; 4103280084Sadrian 4104280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4105280084Sadrian 4106280086Sadrian WPI_VAP_LOCK_ASSERT(wvp); 4107280084Sadrian 4108280084Sadrian cmd->len = htole16(bcn->m->m_pkthdr.len); 4109280084Sadrian cmd->plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 4110280084Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 4111280084Sadrian 4112280084Sadrian /* XXX seems to be unused */ 4113280084Sadrian if (*(bo->bo_tim) == IEEE80211_ELEMID_TIM) { 4114280084Sadrian tie = (struct ieee80211_tim_ie *) bo->bo_tim; 4115280084Sadrian ptr = mtod(bcn->m, uint8_t *); 4116280084Sadrian 4117280084Sadrian cmd->tim = htole16(bo->bo_tim - ptr); 4118280084Sadrian cmd->timsz = tie->tim_len; 4119280084Sadrian } 4120280084Sadrian 4121280084Sadrian /* Necessary for recursion in ieee80211_beacon_update(). */ 4122280084Sadrian m = bcn->m; 4123280084Sadrian bcn->m = m_dup(m, M_NOWAIT); 4124280084Sadrian if (bcn->m == NULL) { 4125280084Sadrian device_printf(sc->sc_dev, 4126280084Sadrian "%s: could not copy beacon frame\n", __func__); 4127280084Sadrian error = ENOMEM; 4128280084Sadrian goto end; 4129280084Sadrian } 4130280084Sadrian 4131280084Sadrian if ((error = wpi_cmd2(sc, bcn)) != 0) { 4132280084Sadrian device_printf(sc->sc_dev, 4133280084Sadrian "%s: could not update beacon frame, error %d", __func__, 4134280084Sadrian error); 4135280084Sadrian } 4136280084Sadrian 4137280084Sadrian /* Restore mbuf. */ 4138280084Sadrianend: bcn->m = m; 4139280084Sadrian 4140280084Sadrian return error; 4141280084Sadrian} 4142280084Sadrian 4143280084Sadrianstatic int 4144278366Sadrianwpi_setup_beacon(struct wpi_softc *sc, struct ieee80211_node *ni) 4145173362Sbenjsc{ 4146280082Sadrian struct wpi_vap *wvp = WPI_VAP(ni->ni_vap); 4147278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4148280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4149278366Sadrian struct mbuf *m; 4150280084Sadrian int error; 4151173362Sbenjsc 4152278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4153278366Sadrian 4154278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) 4155278366Sadrian return EINVAL; 4156278366Sadrian 4157280084Sadrian m = ieee80211_beacon_alloc(ni, bo); 4158278366Sadrian if (m == NULL) { 4159278366Sadrian device_printf(sc->sc_dev, 4160278366Sadrian "%s: could not allocate beacon frame\n", __func__); 4161278366Sadrian return ENOMEM; 4162173362Sbenjsc } 4163173362Sbenjsc 4164280086Sadrian WPI_VAP_LOCK(wvp); 4165280084Sadrian if (bcn->m != NULL) 4166280084Sadrian m_freem(bcn->m); 4167278366Sadrian 4168278366Sadrian bcn->m = m; 4169278366Sadrian 4170280084Sadrian error = wpi_config_beacon(wvp); 4171280086Sadrian WPI_VAP_UNLOCK(wvp); 4172280084Sadrian 4173280084Sadrian return error; 4174278366Sadrian} 4175278366Sadrian 4176278366Sadrianstatic void 4177278366Sadrianwpi_update_beacon(struct ieee80211vap *vap, int item) 4178278366Sadrian{ 4179280057Sadrian struct wpi_softc *sc = vap->iv_ic->ic_ifp->if_softc; 4180280084Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4181280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4182280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4183278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4184280084Sadrian int mcast = 0; 4185278366Sadrian 4186280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4187280084Sadrian 4188280086Sadrian WPI_VAP_LOCK(wvp); 4189280084Sadrian if (bcn->m == NULL) { 4190280084Sadrian bcn->m = ieee80211_beacon_alloc(ni, bo); 4191280084Sadrian if (bcn->m == NULL) { 4192280084Sadrian device_printf(sc->sc_dev, 4193280084Sadrian "%s: could not allocate beacon frame\n", __func__); 4194280084Sadrian 4195280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, 4196280084Sadrian __func__); 4197280084Sadrian 4198280086Sadrian WPI_VAP_UNLOCK(wvp); 4199280084Sadrian return; 4200280084Sadrian } 4201173362Sbenjsc } 4202280086Sadrian WPI_VAP_UNLOCK(wvp); 4203280084Sadrian 4204280084Sadrian if (item == IEEE80211_BEACON_TIM) 4205280084Sadrian mcast = 1; /* TODO */ 4206280084Sadrian 4207280084Sadrian setbit(bo->bo_flags, item); 4208280084Sadrian ieee80211_beacon_update(ni, bo, bcn->m, mcast); 4209280084Sadrian 4210280086Sadrian WPI_VAP_LOCK(wvp); 4211280084Sadrian wpi_config_beacon(wvp); 4212280086Sadrian WPI_VAP_UNLOCK(wvp); 4213280084Sadrian 4214280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4215278366Sadrian} 4216173362Sbenjsc 4217280079Sadrianstatic void 4218280079Sadrianwpi_newassoc(struct ieee80211_node *ni, int isnew) 4219280079Sadrian{ 4220280079Sadrian struct ieee80211vap *vap = ni->ni_vap; 4221280079Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4222280079Sadrian struct wpi_node *wn = WPI_NODE(ni); 4223280079Sadrian int error; 4224280079Sadrian 4225280079Sadrian WPI_NT_LOCK(sc); 4226280079Sadrian 4227280079Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4228280079Sadrian 4229280079Sadrian if (vap->iv_opmode != IEEE80211_M_STA && wn->id == WPI_ID_UNDEFINED) { 4230280079Sadrian if ((error = wpi_add_ibss_node(sc, ni)) != 0) { 4231280079Sadrian device_printf(sc->sc_dev, 4232280079Sadrian "%s: could not add IBSS node, error %d\n", 4233280079Sadrian __func__, error); 4234280079Sadrian } 4235280079Sadrian } 4236280079Sadrian WPI_NT_UNLOCK(sc); 4237280079Sadrian} 4238280079Sadrian 4239278366Sadrianstatic int 4240278366Sadrianwpi_run(struct wpi_softc *sc, struct ieee80211vap *vap) 4241278366Sadrian{ 4242278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4243278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4244278366Sadrian int error; 4245278366Sadrian 4246278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4247278366Sadrian 4248278366Sadrian if (vap->iv_opmode == IEEE80211_M_MONITOR) { 4249278366Sadrian /* Link LED blinks while monitoring. */ 4250278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 5, 5); 4251278366Sadrian return 0; 4252173362Sbenjsc } 4253278366Sadrian 4254278366Sadrian /* XXX kernel panic workaround */ 4255278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) { 4256278366Sadrian device_printf(sc->sc_dev, "%s: incomplete configuration\n", 4257278366Sadrian __func__); 4258195562Srpaulo return EINVAL; 4259173362Sbenjsc } 4260278366Sadrian 4261278366Sadrian if ((error = wpi_set_timing(sc, ni)) != 0) { 4262278366Sadrian device_printf(sc->sc_dev, 4263278366Sadrian "%s: could not set timing, error %d\n", __func__, error); 4264173362Sbenjsc return error; 4265173362Sbenjsc } 4266173362Sbenjsc 4267278366Sadrian /* Update adapter configuration. */ 4268280108Sadrian WPI_RXON_LOCK(sc); 4269278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4270278366Sadrian sc->rxon.associd = htole16(IEEE80211_NODE_AID(ni)); 4271278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 4272278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4273278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 4274278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4275278366Sadrian /* Short preamble and slot time are negotiated when associating. */ 4276278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_SHPREAMBLE | WPI_RXON_SHSLOT); 4277278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4278278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4279278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4280278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4281278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 4282278366Sadrian sc->rxon.cck_mask = 0; 4283278366Sadrian sc->rxon.ofdm_mask = 0x15; 4284278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 4285278366Sadrian sc->rxon.cck_mask = 0x03; 4286278366Sadrian sc->rxon.ofdm_mask = 0; 4287278366Sadrian } else { 4288278366Sadrian /* Assume 802.11b/g. */ 4289278366Sadrian sc->rxon.cck_mask = 0x0f; 4290278366Sadrian sc->rxon.ofdm_mask = 0x15; 4291173362Sbenjsc } 4292278366Sadrian sc->rxon.filter |= htole32(WPI_FILTER_BSS); 4293173362Sbenjsc 4294278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x\n", 4295278366Sadrian sc->rxon.chan, sc->rxon.flags); 4296278366Sadrian 4297278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4298278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4299278366Sadrian __func__); 4300173362Sbenjsc return error; 4301173362Sbenjsc } 4302173362Sbenjsc 4303280108Sadrian /* Start periodic calibration timer. */ 4304280108Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 4305280108Sadrian 4306280108Sadrian WPI_RXON_UNLOCK(sc); 4307280108Sadrian 4308280105Sadrian if (vap->iv_opmode == IEEE80211_M_IBSS || 4309280105Sadrian vap->iv_opmode == IEEE80211_M_HOSTAP) { 4310278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 4311278366Sadrian device_printf(sc->sc_dev, 4312278366Sadrian "%s: could not setup beacon, error %d\n", __func__, 4313278366Sadrian error); 4314278366Sadrian return error; 4315278366Sadrian } 4316173362Sbenjsc } 4317173362Sbenjsc 4318278366Sadrian if (vap->iv_opmode == IEEE80211_M_STA) { 4319278366Sadrian /* Add BSS node. */ 4320280077Sadrian WPI_NT_LOCK(sc); 4321280070Sadrian error = wpi_add_sta_node(sc, ni); 4322280077Sadrian WPI_NT_UNLOCK(sc); 4323280070Sadrian if (error != 0) { 4324278366Sadrian device_printf(sc->sc_dev, 4325278366Sadrian "%s: could not add BSS node, error %d\n", __func__, 4326278366Sadrian error); 4327278366Sadrian return error; 4328278366Sadrian } 4329278366Sadrian } 4330173362Sbenjsc 4331278366Sadrian /* Link LED always on while associated. */ 4332278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 4333173362Sbenjsc 4334278366Sadrian /* Enable power-saving mode if requested by user. */ 4335280099Sadrian if ((vap->iv_flags & IEEE80211_F_PMGTON) && 4336280099Sadrian vap->iv_opmode != IEEE80211_M_IBSS) 4337278366Sadrian (void)wpi_set_pslevel(sc, 0, 3, 1); 4338173362Sbenjsc 4339278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4340173362Sbenjsc 4341278366Sadrian return 0; 4342173362Sbenjsc} 4343173362Sbenjsc 4344173362Sbenjscstatic int 4345280088Sadrianwpi_load_key(struct ieee80211_node *ni, const struct ieee80211_key *k) 4346173362Sbenjsc{ 4347278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4348280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4349280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4350280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4351278366Sadrian struct wpi_node_info node; 4352278366Sadrian uint16_t kflags; 4353278366Sadrian int error; 4354173362Sbenjsc 4355278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4356173362Sbenjsc 4357280088Sadrian if (wpi_check_node_entry(sc, wn->id) == 0) { 4358280088Sadrian device_printf(sc->sc_dev, "%s: node does not exist\n", 4359280088Sadrian __func__); 4360280088Sadrian return 0; 4361280088Sadrian } 4362280088Sadrian 4363278366Sadrian switch (cip->ic_cipher) { 4364278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4365278366Sadrian kflags = WPI_KFLAG_CCMP; 4366278366Sadrian break; 4367280088Sadrian 4368278366Sadrian default: 4369280088Sadrian device_printf(sc->sc_dev, "%s: unknown cipher %d\n", __func__, 4370280088Sadrian cip->ic_cipher); 4371280088Sadrian return 0; 4372278366Sadrian } 4373173362Sbenjsc 4374278366Sadrian kflags |= WPI_KFLAG_KID(k->wk_keyix); 4375278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4376278366Sadrian kflags |= WPI_KFLAG_MULTICAST; 4377173362Sbenjsc 4378278366Sadrian memset(&node, 0, sizeof node); 4379278366Sadrian node.id = wn->id; 4380278366Sadrian node.control = WPI_NODE_UPDATE; 4381278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4382278366Sadrian node.kflags = htole16(kflags); 4383278366Sadrian memcpy(node.key, k->wk_key, k->wk_keylen); 4384280088Sadrianagain: 4385280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, 4386280088Sadrian "%s: setting %s key id %d for node %d (%s)\n", __func__, 4387280088Sadrian (kflags & WPI_KFLAG_MULTICAST) ? "group" : "ucast", k->wk_keyix, 4388280088Sadrian node.id, ether_sprintf(ni->ni_macaddr)); 4389173362Sbenjsc 4390278366Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4391278366Sadrian if (error != 0) { 4392278366Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4393278366Sadrian error); 4394280088Sadrian return !error; 4395173362Sbenjsc } 4396173362Sbenjsc 4397280088Sadrian if (!(kflags & WPI_KFLAG_MULTICAST) && &vap->iv_nw_keys[0] <= k && 4398280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4399280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4400280088Sadrian node.kflags = htole16(kflags); 4401280088Sadrian 4402280088Sadrian goto again; 4403280088Sadrian } 4404280088Sadrian 4405278366Sadrian return 1; 4406173362Sbenjsc} 4407173362Sbenjsc 4408280088Sadrianstatic void 4409280088Sadrianwpi_load_key_cb(void *arg, struct ieee80211_node *ni) 4410280088Sadrian{ 4411280088Sadrian const struct ieee80211_key *k = arg; 4412280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4413280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4414280088Sadrian struct wpi_node *wn = WPI_NODE(ni); 4415280088Sadrian int error; 4416280088Sadrian 4417280088Sadrian if (vap->iv_bss == ni && wn->id == WPI_ID_UNDEFINED) 4418280088Sadrian return; 4419280088Sadrian 4420280088Sadrian WPI_NT_LOCK(sc); 4421280088Sadrian error = wpi_load_key(ni, k); 4422280088Sadrian WPI_NT_UNLOCK(sc); 4423280088Sadrian 4424280088Sadrian if (error == 0) { 4425280088Sadrian device_printf(sc->sc_dev, "%s: error while setting key\n", 4426280088Sadrian __func__); 4427280088Sadrian } 4428280088Sadrian} 4429280088Sadrian 4430278366Sadrianstatic int 4431280088Sadrianwpi_set_global_keys(struct ieee80211_node *ni) 4432173362Sbenjsc{ 4433280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4434280088Sadrian struct ieee80211_key *wk = &vap->iv_nw_keys[0]; 4435280088Sadrian int error = 1; 4436280088Sadrian 4437280088Sadrian for (; wk < &vap->iv_nw_keys[IEEE80211_WEP_NKID] && error; wk++) 4438280088Sadrian if (wk->wk_keyix != IEEE80211_KEYIX_NONE) 4439280088Sadrian error = wpi_load_key(ni, wk); 4440280088Sadrian 4441280088Sadrian return !error; 4442280088Sadrian} 4443280088Sadrian 4444280088Sadrianstatic int 4445280088Sadrianwpi_del_key(struct ieee80211_node *ni, const struct ieee80211_key *k) 4446280088Sadrian{ 4447280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4448280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4449280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4450278366Sadrian struct wpi_node_info node; 4451280088Sadrian uint16_t kflags; 4452280088Sadrian int error; 4453173362Sbenjsc 4454278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4455173362Sbenjsc 4456280088Sadrian if (wpi_check_node_entry(sc, wn->id) == 0) { 4457280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: node was removed\n", __func__); 4458280088Sadrian return 1; /* Nothing to do. */ 4459278366Sadrian } 4460173362Sbenjsc 4461280088Sadrian kflags = WPI_KFLAG_KID(k->wk_keyix); 4462280088Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4463280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4464173362Sbenjsc 4465278366Sadrian memset(&node, 0, sizeof node); 4466278366Sadrian node.id = wn->id; 4467278366Sadrian node.control = WPI_NODE_UPDATE; 4468278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4469280088Sadrian node.kflags = htole16(kflags); 4470280088Sadrianagain: 4471280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: deleting %s key %d for node %d (%s)\n", 4472280088Sadrian __func__, (kflags & WPI_KFLAG_MULTICAST) ? "group" : "ucast", 4473280088Sadrian k->wk_keyix, node.id, ether_sprintf(ni->ni_macaddr)); 4474173362Sbenjsc 4475280088Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4476280088Sadrian if (error != 0) { 4477280088Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4478280088Sadrian error); 4479280088Sadrian return !error; 4480280088Sadrian } 4481173362Sbenjsc 4482280088Sadrian if (!(kflags & WPI_KFLAG_MULTICAST) && &vap->iv_nw_keys[0] <= k && 4483280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4484280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4485280088Sadrian node.kflags = htole16(kflags); 4486280088Sadrian 4487280088Sadrian goto again; 4488280088Sadrian } 4489280088Sadrian 4490278366Sadrian return 1; 4491173362Sbenjsc} 4492173362Sbenjsc 4493280088Sadrianstatic void 4494280088Sadrianwpi_del_key_cb(void *arg, struct ieee80211_node *ni) 4495280088Sadrian{ 4496280088Sadrian const struct ieee80211_key *k = arg; 4497280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4498280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4499280088Sadrian struct wpi_node *wn = WPI_NODE(ni); 4500280088Sadrian int error; 4501280088Sadrian 4502280088Sadrian if (vap->iv_bss == ni && wn->id == WPI_ID_UNDEFINED) 4503280088Sadrian return; 4504280088Sadrian 4505280088Sadrian WPI_NT_LOCK(sc); 4506280088Sadrian error = wpi_del_key(ni, k); 4507280088Sadrian WPI_NT_UNLOCK(sc); 4508280088Sadrian 4509280088Sadrian if (error == 0) { 4510280088Sadrian device_printf(sc->sc_dev, "%s: error while deleting key\n", 4511280088Sadrian __func__); 4512280088Sadrian } 4513280088Sadrian} 4514280088Sadrian 4515280088Sadrianstatic int 4516280088Sadrianwpi_process_key(struct ieee80211vap *vap, const struct ieee80211_key *k, 4517280088Sadrian int set) 4518280088Sadrian{ 4519280088Sadrian struct ieee80211com *ic = vap->iv_ic; 4520280088Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4521280088Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4522280088Sadrian struct ieee80211_node *ni; 4523280088Sadrian int error, ni_ref = 0; 4524280088Sadrian 4525280088Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4526280088Sadrian 4527280088Sadrian if (k->wk_flags & IEEE80211_KEY_SWCRYPT) { 4528280088Sadrian /* Not for us. */ 4529280088Sadrian return 1; 4530280088Sadrian } 4531280088Sadrian 4532280088Sadrian if (!(k->wk_flags & IEEE80211_KEY_RECV)) { 4533280088Sadrian /* XMIT keys are handled in wpi_tx_data(). */ 4534280088Sadrian return 1; 4535280088Sadrian } 4536280088Sadrian 4537280088Sadrian /* Handle group keys. */ 4538280088Sadrian if (&vap->iv_nw_keys[0] <= k && 4539280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4540280088Sadrian WPI_NT_LOCK(sc); 4541280088Sadrian if (set) 4542280088Sadrian wvp->wv_gtk |= WPI_VAP_KEY(k->wk_keyix); 4543280088Sadrian else 4544280088Sadrian wvp->wv_gtk &= ~WPI_VAP_KEY(k->wk_keyix); 4545280088Sadrian WPI_NT_UNLOCK(sc); 4546280088Sadrian 4547280088Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 4548280088Sadrian ieee80211_iterate_nodes(&ic->ic_sta, 4549280088Sadrian set ? wpi_load_key_cb : wpi_del_key_cb, (void *)k); 4550280088Sadrian } 4551280088Sadrian 4552280088Sadrian return 1; 4553280088Sadrian } 4554280088Sadrian 4555280088Sadrian switch (vap->iv_opmode) { 4556280088Sadrian case IEEE80211_M_STA: 4557280088Sadrian ni = vap->iv_bss; 4558280088Sadrian break; 4559280088Sadrian 4560280088Sadrian case IEEE80211_M_IBSS: 4561280088Sadrian case IEEE80211_M_AHDEMO: 4562280105Sadrian case IEEE80211_M_HOSTAP: 4563280088Sadrian ni = ieee80211_find_vap_node(&ic->ic_sta, vap, k->wk_macaddr); 4564280088Sadrian if (ni == NULL) 4565280088Sadrian return 0; /* should not happen */ 4566280088Sadrian 4567280088Sadrian ni_ref = 1; 4568280088Sadrian break; 4569280088Sadrian 4570280088Sadrian default: 4571280088Sadrian device_printf(sc->sc_dev, "%s: unknown opmode %d\n", __func__, 4572280088Sadrian vap->iv_opmode); 4573280088Sadrian return 0; 4574280088Sadrian } 4575280088Sadrian 4576280088Sadrian WPI_NT_LOCK(sc); 4577280088Sadrian if (set) 4578280088Sadrian error = wpi_load_key(ni, k); 4579280088Sadrian else 4580280088Sadrian error = wpi_del_key(ni, k); 4581280088Sadrian WPI_NT_UNLOCK(sc); 4582280088Sadrian 4583280088Sadrian if (ni_ref) 4584280088Sadrian ieee80211_node_decref(ni); 4585280088Sadrian 4586280088Sadrian return error; 4587280088Sadrian} 4588280088Sadrian 4589280088Sadrianstatic int 4590280088Sadrianwpi_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k, 4591280088Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 4592280088Sadrian{ 4593280088Sadrian return wpi_process_key(vap, k, 1); 4594280088Sadrian} 4595280088Sadrian 4596280088Sadrianstatic int 4597280088Sadrianwpi_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 4598280088Sadrian{ 4599280088Sadrian return wpi_process_key(vap, k, 0); 4600280088Sadrian} 4601280088Sadrian 4602278366Sadrian/* 4603278366Sadrian * This function is called after the runtime firmware notifies us of its 4604278366Sadrian * readiness (called in a process context). 4605278366Sadrian */ 4606278366Sadrianstatic int 4607278366Sadrianwpi_post_alive(struct wpi_softc *sc) 4608177043Sthompsa{ 4609278366Sadrian int ntries, error; 4610177043Sthompsa 4611278366Sadrian /* Check (again) that the radio is not disabled. */ 4612278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4613278366Sadrian return error; 4614177043Sthompsa 4615278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4616278366Sadrian 4617278366Sadrian /* NB: Runtime firmware must be up and running. */ 4618278366Sadrian if (!(wpi_prph_read(sc, WPI_APMG_RFKILL) & 1)) { 4619278366Sadrian device_printf(sc->sc_dev, 4620278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4621278366Sadrian wpi_nic_unlock(sc); 4622278366Sadrian return EPERM; /* :-) */ 4623278366Sadrian } 4624278366Sadrian wpi_nic_unlock(sc); 4625278366Sadrian 4626278366Sadrian /* Wait for thermal sensor to calibrate. */ 4627177043Sthompsa for (ntries = 0; ntries < 1000; ntries++) { 4628278366Sadrian if ((sc->temp = (int)WPI_READ(sc, WPI_UCODE_GP2)) != 0) 4629177043Sthompsa break; 4630177043Sthompsa DELAY(10); 4631177043Sthompsa } 4632177043Sthompsa 4633177043Sthompsa if (ntries == 1000) { 4634177043Sthompsa device_printf(sc->sc_dev, 4635278366Sadrian "timeout waiting for thermal sensor calibration\n"); 4636280059Sadrian return ETIMEDOUT; 4637280059Sadrian } 4638177043Sthompsa 4639280059Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d\n", sc->temp); 4640280059Sadrian return 0; 4641278366Sadrian} 4642177043Sthompsa 4643278366Sadrian/* 4644278366Sadrian * The firmware boot code is small and is intended to be copied directly into 4645278366Sadrian * the NIC internal memory (no DMA transfer). 4646278366Sadrian */ 4647278366Sadrianstatic int 4648278366Sadrianwpi_load_bootcode(struct wpi_softc *sc, const uint8_t *ucode, int size) 4649278366Sadrian{ 4650278366Sadrian int error, ntries; 4651177043Sthompsa 4652278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, "Loading microcode size 0x%x\n", size); 4653278366Sadrian 4654278366Sadrian size /= sizeof (uint32_t); 4655278366Sadrian 4656278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4657278366Sadrian return error; 4658278366Sadrian 4659278366Sadrian /* Copy microcode image into NIC memory. */ 4660278366Sadrian wpi_prph_write_region_4(sc, WPI_BSM_SRAM_BASE, 4661278366Sadrian (const uint32_t *)ucode, size); 4662278366Sadrian 4663278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_SRC, 0); 4664278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_DST, WPI_FW_TEXT_BASE); 4665278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_DWCOUNT, size); 4666278366Sadrian 4667278366Sadrian /* Start boot load now. */ 4668278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START); 4669278366Sadrian 4670278366Sadrian /* Wait for transfer to complete. */ 4671278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 4672278366Sadrian uint32_t status = WPI_READ(sc, WPI_FH_TX_STATUS); 4673278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4674278366Sadrian "firmware status=0x%x, val=0x%x, result=0x%x\n", status, 4675278366Sadrian WPI_FH_TX_STATUS_IDLE(6), 4676278366Sadrian status & WPI_FH_TX_STATUS_IDLE(6)); 4677278366Sadrian if (status & WPI_FH_TX_STATUS_IDLE(6)) { 4678278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4679278366Sadrian "Status Match! - ntries = %d\n", ntries); 4680278366Sadrian break; 4681178354Ssam } 4682278366Sadrian DELAY(10); 4683177043Sthompsa } 4684278366Sadrian if (ntries == 1000) { 4685278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4686278366Sadrian __func__); 4687278366Sadrian wpi_nic_unlock(sc); 4688278366Sadrian return ETIMEDOUT; 4689278366Sadrian } 4690177043Sthompsa 4691278366Sadrian /* Enable boot after power up. */ 4692278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START_EN); 4693278366Sadrian 4694278366Sadrian wpi_nic_unlock(sc); 4695278366Sadrian return 0; 4696177043Sthompsa} 4697177043Sthompsa 4698278366Sadrianstatic int 4699278366Sadrianwpi_load_firmware(struct wpi_softc *sc) 4700177043Sthompsa{ 4701278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4702278366Sadrian struct wpi_dma_info *dma = &sc->fw_dma; 4703278366Sadrian int error; 4704173362Sbenjsc 4705278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4706173362Sbenjsc 4707278366Sadrian /* Copy initialization sections into pre-allocated DMA-safe memory. */ 4708278366Sadrian memcpy(dma->vaddr, fw->init.data, fw->init.datasz); 4709278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4710278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->init.text, fw->init.textsz); 4711278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4712173362Sbenjsc 4713278366Sadrian /* Tell adapter where to find initialization sections. */ 4714278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4715278366Sadrian return error; 4716278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4717278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->init.datasz); 4718278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4719278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4720278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, fw->init.textsz); 4721278366Sadrian wpi_nic_unlock(sc); 4722173362Sbenjsc 4723278366Sadrian /* Load firmware boot code. */ 4724278366Sadrian error = wpi_load_bootcode(sc, fw->boot.text, fw->boot.textsz); 4725278366Sadrian if (error != 0) { 4726278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4727278366Sadrian __func__); 4728278366Sadrian return error; 4729278366Sadrian } 4730173362Sbenjsc 4731278366Sadrian /* Now press "execute". */ 4732278366Sadrian WPI_WRITE(sc, WPI_RESET, 0); 4733173362Sbenjsc 4734278366Sadrian /* Wait at most one second for first alive notification. */ 4735280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4736278366Sadrian device_printf(sc->sc_dev, 4737278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4738278366Sadrian __func__, error); 4739278366Sadrian return error; 4740173362Sbenjsc } 4741173362Sbenjsc 4742278366Sadrian /* Copy runtime sections into pre-allocated DMA-safe memory. */ 4743278366Sadrian memcpy(dma->vaddr, fw->main.data, fw->main.datasz); 4744278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4745278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->main.text, fw->main.textsz); 4746278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4747173362Sbenjsc 4748278366Sadrian /* Tell adapter where to find runtime sections. */ 4749278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4750278366Sadrian return error; 4751278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4752278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->main.datasz); 4753278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4754278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4755278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, 4756278366Sadrian WPI_FW_UPDATED | fw->main.textsz); 4757278366Sadrian wpi_nic_unlock(sc); 4758173362Sbenjsc 4759278366Sadrian return 0; 4760278366Sadrian} 4761173362Sbenjsc 4762278366Sadrianstatic int 4763278366Sadrianwpi_read_firmware(struct wpi_softc *sc) 4764278366Sadrian{ 4765278366Sadrian const struct firmware *fp; 4766278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4767278366Sadrian const struct wpi_firmware_hdr *hdr; 4768278366Sadrian int error; 4769173362Sbenjsc 4770278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4771278366Sadrian 4772278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4773278366Sadrian "Attempting Loading Firmware from %s module\n", WPI_FW_NAME); 4774278366Sadrian 4775278366Sadrian WPI_UNLOCK(sc); 4776278366Sadrian fp = firmware_get(WPI_FW_NAME); 4777278366Sadrian WPI_LOCK(sc); 4778278366Sadrian 4779278366Sadrian if (fp == NULL) { 4780278366Sadrian device_printf(sc->sc_dev, 4781278366Sadrian "could not load firmware image '%s'\n", WPI_FW_NAME); 4782278366Sadrian return EINVAL; 4783173362Sbenjsc } 4784173362Sbenjsc 4785278366Sadrian sc->fw_fp = fp; 4786173362Sbenjsc 4787278366Sadrian if (fp->datasize < sizeof (struct wpi_firmware_hdr)) { 4788278366Sadrian device_printf(sc->sc_dev, 4789278366Sadrian "firmware file too short: %zu bytes\n", fp->datasize); 4790278366Sadrian error = EINVAL; 4791278366Sadrian goto fail; 4792173362Sbenjsc } 4793173362Sbenjsc 4794278366Sadrian fw->size = fp->datasize; 4795278366Sadrian fw->data = (const uint8_t *)fp->data; 4796278366Sadrian 4797278366Sadrian /* Extract firmware header information. */ 4798278366Sadrian hdr = (const struct wpi_firmware_hdr *)fw->data; 4799278366Sadrian 4800278366Sadrian /* | RUNTIME FIRMWARE | INIT FIRMWARE | BOOT FW | 4801278366Sadrian |HDR|<--TEXT-->|<--DATA-->|<--TEXT-->|<--DATA-->|<--TEXT-->| */ 4802278366Sadrian 4803278366Sadrian fw->main.textsz = le32toh(hdr->rtextsz); 4804278366Sadrian fw->main.datasz = le32toh(hdr->rdatasz); 4805278366Sadrian fw->init.textsz = le32toh(hdr->itextsz); 4806278366Sadrian fw->init.datasz = le32toh(hdr->idatasz); 4807278366Sadrian fw->boot.textsz = le32toh(hdr->btextsz); 4808278366Sadrian fw->boot.datasz = 0; 4809278366Sadrian 4810278366Sadrian /* Sanity-check firmware header. */ 4811278366Sadrian if (fw->main.textsz > WPI_FW_TEXT_MAXSZ || 4812278366Sadrian fw->main.datasz > WPI_FW_DATA_MAXSZ || 4813278366Sadrian fw->init.textsz > WPI_FW_TEXT_MAXSZ || 4814278366Sadrian fw->init.datasz > WPI_FW_DATA_MAXSZ || 4815278366Sadrian fw->boot.textsz > WPI_FW_BOOT_TEXT_MAXSZ || 4816278366Sadrian (fw->boot.textsz & 3) != 0) { 4817278366Sadrian device_printf(sc->sc_dev, "invalid firmware header\n"); 4818278366Sadrian error = EINVAL; 4819278366Sadrian goto fail; 4820173362Sbenjsc } 4821173362Sbenjsc 4822278366Sadrian /* Check that all firmware sections fit. */ 4823278366Sadrian if (fw->size < sizeof (*hdr) + fw->main.textsz + fw->main.datasz + 4824278366Sadrian fw->init.textsz + fw->init.datasz + fw->boot.textsz) { 4825173362Sbenjsc device_printf(sc->sc_dev, 4826278366Sadrian "firmware file too short: %zu bytes\n", fw->size); 4827278366Sadrian error = EINVAL; 4828278366Sadrian goto fail; 4829173362Sbenjsc } 4830173362Sbenjsc 4831278366Sadrian /* Get pointers to firmware sections. */ 4832278366Sadrian fw->main.text = (const uint8_t *)(hdr + 1); 4833278366Sadrian fw->main.data = fw->main.text + fw->main.textsz; 4834278366Sadrian fw->init.text = fw->main.data + fw->main.datasz; 4835278366Sadrian fw->init.data = fw->init.text + fw->init.textsz; 4836278366Sadrian fw->boot.text = fw->init.data + fw->init.datasz; 4837177043Sthompsa 4838278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4839278366Sadrian "Firmware Version: Major %d, Minor %d, Driver %d, \n" 4840280066Sadrian "runtime (text: %u, data: %u) init (text: %u, data %u) " 4841280066Sadrian "boot (text %u)\n", hdr->major, hdr->minor, le32toh(hdr->driver), 4842278366Sadrian fw->main.textsz, fw->main.datasz, 4843278366Sadrian fw->init.textsz, fw->init.datasz, fw->boot.textsz); 4844278366Sadrian 4845278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.text %p\n", fw->main.text); 4846278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.data %p\n", fw->main.data); 4847278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.text %p\n", fw->init.text); 4848278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.data %p\n", fw->init.data); 4849278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->boot.text %p\n", fw->boot.text); 4850278366Sadrian 4851278366Sadrian return 0; 4852278366Sadrian 4853278366Sadrianfail: wpi_unload_firmware(sc); 4854278366Sadrian return error; 4855173362Sbenjsc} 4856173362Sbenjsc 4857278366Sadrian/** 4858278366Sadrian * Free the referenced firmware image 4859278366Sadrian */ 4860173362Sbenjscstatic void 4861278366Sadrianwpi_unload_firmware(struct wpi_softc *sc) 4862173362Sbenjsc{ 4863278366Sadrian if (sc->fw_fp != NULL) { 4864278366Sadrian firmware_put(sc->fw_fp, FIRMWARE_UNLOAD); 4865278366Sadrian sc->fw_fp = NULL; 4866278366Sadrian } 4867278366Sadrian} 4868173362Sbenjsc 4869278366Sadrianstatic int 4870278366Sadrianwpi_clock_wait(struct wpi_softc *sc) 4871278366Sadrian{ 4872278366Sadrian int ntries; 4873173362Sbenjsc 4874278366Sadrian /* Set "initialization complete" bit. */ 4875278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4876278366Sadrian 4877278366Sadrian /* Wait for clock stabilization. */ 4878278366Sadrian for (ntries = 0; ntries < 2500; ntries++) { 4879278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_MAC_CLOCK_READY) 4880278366Sadrian return 0; 4881278366Sadrian DELAY(100); 4882278366Sadrian } 4883278366Sadrian device_printf(sc->sc_dev, 4884278366Sadrian "%s: timeout waiting for clock stabilization\n", __func__); 4885278366Sadrian 4886278366Sadrian return ETIMEDOUT; 4887173362Sbenjsc} 4888178354Ssam 4889278366Sadrianstatic int 4890278366Sadrianwpi_apm_init(struct wpi_softc *sc) 4891173362Sbenjsc{ 4892278366Sadrian uint32_t reg; 4893278366Sadrian int error; 4894173362Sbenjsc 4895278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4896173362Sbenjsc 4897278366Sadrian /* Disable L0s exit timer (NMI bug workaround). */ 4898278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_DIS_L0S_TIMER); 4899278366Sadrian /* Don't wait for ICH L0s (ICH bug workaround). */ 4900278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_L1A_NO_L0S_RX); 4901173362Sbenjsc 4902278366Sadrian /* Set FH wait threshold to max (HW bug under stress workaround). */ 4903278366Sadrian WPI_SETBITS(sc, WPI_DBG_HPET_MEM, 0xffff0000); 4904173362Sbenjsc 4905280098Sadrian /* Cleanup. */ 4906280098Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 0x00000400); 4907280098Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, 0x00000E00); 4908280098Sadrian 4909278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 4910278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 4911278366Sadrian /* Workaround for HW instability in PCIe L0->L0s->L1 transition. */ 4912278366Sadrian if (reg & 0x02) /* L1 Entry enabled. */ 4913278366Sadrian WPI_SETBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4914278366Sadrian else 4915278366Sadrian WPI_CLRBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4916173362Sbenjsc 4917278366Sadrian WPI_SETBITS(sc, WPI_ANA_PLL, WPI_ANA_PLL_INIT); 4918173362Sbenjsc 4919278366Sadrian /* Wait for clock stabilization before accessing prph. */ 4920278366Sadrian if ((error = wpi_clock_wait(sc)) != 0) 4921278366Sadrian return error; 4922173362Sbenjsc 4923278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4924278366Sadrian return error; 4925278366Sadrian /* Enable DMA and BSM (Bootstrap State Machine). */ 4926278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_EN, 4927278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT | WPI_APMG_CLK_CTRL_BSM_CLK_RQT); 4928278366Sadrian DELAY(20); 4929278366Sadrian /* Disable L1-Active. */ 4930278366Sadrian wpi_prph_setbits(sc, WPI_APMG_PCI_STT, WPI_APMG_PCI_STT_L1A_DIS); 4931278366Sadrian wpi_nic_unlock(sc); 4932173362Sbenjsc 4933278366Sadrian return 0; 4934278366Sadrian} 4935173362Sbenjsc 4936278366Sadrianstatic void 4937278366Sadrianwpi_apm_stop_master(struct wpi_softc *sc) 4938278366Sadrian{ 4939278366Sadrian int ntries; 4940278366Sadrian 4941278366Sadrian /* Stop busmaster DMA activity. */ 4942278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_STOP_MASTER); 4943278366Sadrian 4944278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_PS_MASK) == 4945278366Sadrian WPI_GP_CNTRL_MAC_PS) 4946278366Sadrian return; /* Already asleep. */ 4947278366Sadrian 4948278366Sadrian for (ntries = 0; ntries < 100; ntries++) { 4949278366Sadrian if (WPI_READ(sc, WPI_RESET) & WPI_RESET_MASTER_DISABLED) 4950278366Sadrian return; 4951278366Sadrian DELAY(10); 4952278366Sadrian } 4953280066Sadrian device_printf(sc->sc_dev, "%s: timeout waiting for master\n", 4954280066Sadrian __func__); 4955173362Sbenjsc} 4956173362Sbenjsc 4957173362Sbenjscstatic void 4958278366Sadrianwpi_apm_stop(struct wpi_softc *sc) 4959173362Sbenjsc{ 4960278366Sadrian wpi_apm_stop_master(sc); 4961278366Sadrian 4962278366Sadrian /* Reset the entire device. */ 4963278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_SW); 4964278366Sadrian DELAY(10); 4965278366Sadrian /* Clear "initialization complete" bit. */ 4966278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4967173362Sbenjsc} 4968173362Sbenjsc 4969173362Sbenjscstatic void 4970278366Sadrianwpi_nic_config(struct wpi_softc *sc) 4971173362Sbenjsc{ 4972278366Sadrian uint32_t rev; 4973173362Sbenjsc 4974278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4975177043Sthompsa 4976278366Sadrian /* voodoo from the Linux "driver".. */ 4977278366Sadrian rev = pci_read_config(sc->sc_dev, PCIR_REVID, 1); 4978278366Sadrian if ((rev & 0xc0) == 0x40) 4979278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MB); 4980278366Sadrian else if (!(rev & 0x80)) 4981278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MM); 4982173362Sbenjsc 4983278366Sadrian if (sc->cap == 0x80) 4984278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_SKU_MRC); 4985173362Sbenjsc 4986280076Sadrian if ((sc->rev & 0xf0) == 0xd0) 4987278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4988278366Sadrian else 4989278366Sadrian WPI_CLRBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4990278366Sadrian 4991278366Sadrian if (sc->type > 1) 4992278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_TYPE_B); 4993173362Sbenjsc} 4994173362Sbenjsc 4995278366Sadrianstatic int 4996278366Sadrianwpi_hw_init(struct wpi_softc *sc) 4997173362Sbenjsc{ 4998278366Sadrian int chnl, ntries, error; 4999178354Ssam 5000278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 5001278366Sadrian 5002278366Sadrian /* Clear pending interrupts. */ 5003278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5004278366Sadrian 5005278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 5006278366Sadrian device_printf(sc->sc_dev, 5007278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 5008278366Sadrian error); 5009278366Sadrian return error; 5010173362Sbenjsc } 5011173362Sbenjsc 5012278366Sadrian /* Select VMAIN power source. */ 5013278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5014278366Sadrian return error; 5015278366Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, WPI_APMG_PS_PWR_SRC_MASK); 5016278366Sadrian wpi_nic_unlock(sc); 5017278366Sadrian /* Spin until VMAIN gets selected. */ 5018278366Sadrian for (ntries = 0; ntries < 5000; ntries++) { 5019278366Sadrian if (WPI_READ(sc, WPI_GPIO_IN) & WPI_GPIO_IN_VMAIN) 5020278366Sadrian break; 5021278366Sadrian DELAY(10); 5022278366Sadrian } 5023278366Sadrian if (ntries == 5000) { 5024278366Sadrian device_printf(sc->sc_dev, "timeout selecting power source\n"); 5025278366Sadrian return ETIMEDOUT; 5026278366Sadrian } 5027173362Sbenjsc 5028278366Sadrian /* Perform adapter initialization. */ 5029278366Sadrian wpi_nic_config(sc); 5030173362Sbenjsc 5031278366Sadrian /* Initialize RX ring. */ 5032278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5033278366Sadrian return error; 5034278366Sadrian /* Set physical address of RX ring. */ 5035278366Sadrian WPI_WRITE(sc, WPI_FH_RX_BASE, sc->rxq.desc_dma.paddr); 5036278366Sadrian /* Set physical address of RX read pointer. */ 5037278366Sadrian WPI_WRITE(sc, WPI_FH_RX_RPTR_ADDR, sc->shared_dma.paddr + 5038278366Sadrian offsetof(struct wpi_shared, next)); 5039278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, 0); 5040278366Sadrian /* Enable RX. */ 5041278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 5042278366Sadrian WPI_FH_RX_CONFIG_DMA_ENA | 5043278366Sadrian WPI_FH_RX_CONFIG_RDRBD_ENA | 5044278366Sadrian WPI_FH_RX_CONFIG_WRSTATUS_ENA | 5045278366Sadrian WPI_FH_RX_CONFIG_MAXFRAG | 5046278366Sadrian WPI_FH_RX_CONFIG_NRBD(WPI_RX_RING_COUNT_LOG) | 5047278366Sadrian WPI_FH_RX_CONFIG_IRQ_DST_HOST | 5048278366Sadrian WPI_FH_RX_CONFIG_IRQ_TIMEOUT(1)); 5049278366Sadrian (void)WPI_READ(sc, WPI_FH_RSSR_TBL); /* barrier */ 5050278366Sadrian wpi_nic_unlock(sc); 5051278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, (WPI_RX_RING_COUNT - 1) & ~7); 5052173362Sbenjsc 5053278366Sadrian /* Initialize TX rings. */ 5054278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5055278366Sadrian return error; 5056278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 2); /* bypass mode */ 5057278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_ARASTAT, 1); /* enable RA0 */ 5058278366Sadrian /* Enable all 6 TX rings. */ 5059278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0x3f); 5060278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE1, 0x10000); 5061278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE2, 0x30002); 5062278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF4MF, 4); 5063278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF5MF, 5); 5064278366Sadrian /* Set physical address of TX rings. */ 5065278366Sadrian WPI_WRITE(sc, WPI_FH_TX_BASE, sc->shared_dma.paddr); 5066278366Sadrian WPI_WRITE(sc, WPI_FH_MSG_CONFIG, 0xffff05a5); 5067278366Sadrian 5068278366Sadrian /* Enable all DMA channels. */ 5069278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 5070278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_CTRL(chnl), 0); 5071278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_BASE(chnl), 0); 5072278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0x80200008); 5073173362Sbenjsc } 5074278366Sadrian wpi_nic_unlock(sc); 5075278366Sadrian (void)WPI_READ(sc, WPI_FH_TX_BASE); /* barrier */ 5076278366Sadrian 5077278366Sadrian /* Clear "radio off" and "commands blocked" bits. */ 5078278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5079278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_CMD_BLOCKED); 5080278366Sadrian 5081278366Sadrian /* Clear pending interrupts. */ 5082278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5083278366Sadrian /* Enable interrupts. */ 5084278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 5085278366Sadrian 5086278366Sadrian /* _Really_ make sure "radio off" bit is cleared! */ 5087278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5088278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5089278366Sadrian 5090278366Sadrian if ((error = wpi_load_firmware(sc)) != 0) { 5091278366Sadrian device_printf(sc->sc_dev, 5092278366Sadrian "%s: could not load firmware, error %d\n", __func__, 5093278366Sadrian error); 5094278366Sadrian return error; 5095278366Sadrian } 5096278366Sadrian /* Wait at most one second for firmware alive notification. */ 5097280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 5098278366Sadrian device_printf(sc->sc_dev, 5099278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 5100278366Sadrian __func__, error); 5101278366Sadrian return error; 5102278366Sadrian } 5103278366Sadrian 5104278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 5105278366Sadrian 5106278366Sadrian /* Do post-firmware initialization. */ 5107278366Sadrian return wpi_post_alive(sc); 5108173362Sbenjsc} 5109173362Sbenjsc 5110173362Sbenjscstatic void 5111278366Sadrianwpi_hw_stop(struct wpi_softc *sc) 5112173362Sbenjsc{ 5113278366Sadrian int chnl, qid, ntries; 5114173362Sbenjsc 5115278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5116173362Sbenjsc 5117278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) 5118278366Sadrian wpi_nic_lock(sc); 5119173362Sbenjsc 5120278366Sadrian WPI_WRITE(sc, WPI_RESET, WPI_RESET_NEVO); 5121173362Sbenjsc 5122278366Sadrian /* Disable interrupts. */ 5123278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 5124278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5125278366Sadrian WPI_WRITE(sc, WPI_FH_INT, 0xffffffff); 5126173362Sbenjsc 5127278366Sadrian /* Make sure we no longer hold the NIC lock. */ 5128278366Sadrian wpi_nic_unlock(sc); 5129173362Sbenjsc 5130278366Sadrian if (wpi_nic_lock(sc) == 0) { 5131278366Sadrian /* Stop TX scheduler. */ 5132278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 0); 5133278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0); 5134179957Sthompsa 5135278366Sadrian /* Stop all DMA channels. */ 5136278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 5137278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0); 5138278366Sadrian for (ntries = 0; ntries < 200; ntries++) { 5139278366Sadrian if (WPI_READ(sc, WPI_FH_TX_STATUS) & 5140278366Sadrian WPI_FH_TX_STATUS_IDLE(chnl)) 5141278366Sadrian break; 5142278366Sadrian DELAY(10); 5143278366Sadrian } 5144173362Sbenjsc } 5145278366Sadrian wpi_nic_unlock(sc); 5146278366Sadrian } 5147173362Sbenjsc 5148278366Sadrian /* Stop RX ring. */ 5149278366Sadrian wpi_reset_rx_ring(sc); 5150173362Sbenjsc 5151278366Sadrian /* Reset all TX rings. */ 5152278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 5153278366Sadrian wpi_reset_tx_ring(sc, &sc->txq[qid]); 5154173362Sbenjsc 5155278366Sadrian if (wpi_nic_lock(sc) == 0) { 5156278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 5157278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT); 5158278366Sadrian wpi_nic_unlock(sc); 5159173362Sbenjsc } 5160278366Sadrian DELAY(5); 5161278366Sadrian /* Power OFF adapter. */ 5162278366Sadrian wpi_apm_stop(sc); 5163173362Sbenjsc} 5164173362Sbenjsc 5165173362Sbenjscstatic void 5166278366Sadrianwpi_radio_on(void *arg0, int pending) 5167173362Sbenjsc{ 5168278366Sadrian struct wpi_softc *sc = arg0; 5169278366Sadrian struct ifnet *ifp = sc->sc_ifp; 5170278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 5171278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5172173362Sbenjsc 5173278366Sadrian device_printf(sc->sc_dev, "RF switch: radio enabled\n"); 5174173362Sbenjsc 5175278366Sadrian if (vap != NULL) { 5176278366Sadrian wpi_init(sc); 5177278366Sadrian ieee80211_init(vap); 5178278366Sadrian } 5179173362Sbenjsc 5180278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL) { 5181278366Sadrian WPI_LOCK(sc); 5182278366Sadrian callout_stop(&sc->watchdog_rfkill); 5183278366Sadrian WPI_UNLOCK(sc); 5184173362Sbenjsc } 5185173362Sbenjsc} 5186173362Sbenjsc 5187278366Sadrianstatic void 5188278366Sadrianwpi_radio_off(void *arg0, int pending) 5189173362Sbenjsc{ 5190278366Sadrian struct wpi_softc *sc = arg0; 5191178354Ssam struct ifnet *ifp = sc->sc_ifp; 5192178354Ssam struct ieee80211com *ic = ifp->if_l2com; 5193278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5194173362Sbenjsc 5195278366Sadrian device_printf(sc->sc_dev, "RF switch: radio disabled\n"); 5196173362Sbenjsc 5197278366Sadrian wpi_stop(sc); 5198278366Sadrian if (vap != NULL) 5199278366Sadrian ieee80211_stop(vap); 5200173362Sbenjsc 5201280053Sadrian WPI_LOCK(sc); 5202278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, sc); 5203280053Sadrian WPI_UNLOCK(sc); 5204278366Sadrian} 5205173362Sbenjsc 5206278366Sadrianstatic void 5207280096Sadrianwpi_init(void *arg) 5208278366Sadrian{ 5209280096Sadrian struct wpi_softc *sc = arg; 5210278366Sadrian struct ifnet *ifp = sc->sc_ifp; 5211280096Sadrian struct ieee80211com *ic = ifp->if_l2com; 5212278366Sadrian int error; 5213173362Sbenjsc 5214280096Sadrian WPI_LOCK(sc); 5215280096Sadrian 5216278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 5217173362Sbenjsc 5218280096Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) 5219280096Sadrian goto end; 5220278366Sadrian 5221278366Sadrian /* Check that the radio is not disabled by hardware switch. */ 5222278366Sadrian if (!(WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL)) { 5223278366Sadrian device_printf(sc->sc_dev, 5224278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 5225278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 5226278366Sadrian sc); 5227280096Sadrian goto end; 5228173362Sbenjsc } 5229173362Sbenjsc 5230278366Sadrian /* Read firmware images from the filesystem. */ 5231278366Sadrian if ((error = wpi_read_firmware(sc)) != 0) { 5232278366Sadrian device_printf(sc->sc_dev, 5233278366Sadrian "%s: could not read firmware, error %d\n", __func__, 5234278366Sadrian error); 5235278366Sadrian goto fail; 5236278366Sadrian } 5237173362Sbenjsc 5238278366Sadrian /* Initialize hardware and upload firmware. */ 5239278366Sadrian error = wpi_hw_init(sc); 5240278366Sadrian wpi_unload_firmware(sc); 5241278366Sadrian if (error != 0) { 5242278366Sadrian device_printf(sc->sc_dev, 5243278366Sadrian "%s: could not initialize hardware, error %d\n", __func__, 5244278366Sadrian error); 5245278366Sadrian goto fail; 5246278366Sadrian } 5247173362Sbenjsc 5248278366Sadrian /* Configure adapter now that it is ready. */ 5249280071Sadrian sc->txq_active = 1; 5250278366Sadrian if ((error = wpi_config(sc)) != 0) { 5251278366Sadrian device_printf(sc->sc_dev, 5252278366Sadrian "%s: could not configure device, error %d\n", __func__, 5253278366Sadrian error); 5254278366Sadrian goto fail; 5255278366Sadrian } 5256173362Sbenjsc 5257280097Sadrian IF_LOCK(&ifp->if_snd); 5258278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 5259278366Sadrian ifp->if_drv_flags |= IFF_DRV_RUNNING; 5260280097Sadrian IF_UNLOCK(&ifp->if_snd); 5261173362Sbenjsc 5262278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 5263173362Sbenjsc 5264280096Sadrian WPI_UNLOCK(sc); 5265280096Sadrian 5266280096Sadrian ieee80211_start_all(ic); 5267280096Sadrian 5268278366Sadrian return; 5269173362Sbenjsc 5270278366Sadrianfail: wpi_stop_locked(sc); 5271280096Sadrianend: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 5272278366Sadrian WPI_UNLOCK(sc); 5273278366Sadrian} 5274173362Sbenjsc 5275278366Sadrianstatic void 5276278366Sadrianwpi_stop_locked(struct wpi_softc *sc) 5277278366Sadrian{ 5278278366Sadrian struct ifnet *ifp = sc->sc_ifp; 5279173362Sbenjsc 5280278366Sadrian WPI_LOCK_ASSERT(sc); 5281278366Sadrian 5282280071Sadrian WPI_TXQ_LOCK(sc); 5283280071Sadrian sc->txq_active = 0; 5284280071Sadrian WPI_TXQ_UNLOCK(sc); 5285280071Sadrian 5286280112Sadrian WPI_TXQ_STATE_LOCK(sc); 5287280109Sadrian callout_stop(&sc->tx_timeout); 5288280112Sadrian WPI_TXQ_STATE_UNLOCK(sc); 5289280108Sadrian 5290280108Sadrian WPI_RXON_LOCK(sc); 5291280106Sadrian callout_stop(&sc->scan_timeout); 5292278366Sadrian callout_stop(&sc->calib_to); 5293280108Sadrian WPI_RXON_UNLOCK(sc); 5294280097Sadrian 5295280097Sadrian IF_LOCK(&ifp->if_snd); 5296278366Sadrian ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 5297280097Sadrian IF_UNLOCK(&ifp->if_snd); 5298278366Sadrian 5299278366Sadrian /* Power OFF hardware. */ 5300278366Sadrian wpi_hw_stop(sc); 5301173362Sbenjsc} 5302173362Sbenjsc 5303278366Sadrianstatic void 5304278366Sadrianwpi_stop(struct wpi_softc *sc) 5305278366Sadrian{ 5306278366Sadrian WPI_LOCK(sc); 5307278366Sadrian wpi_stop_locked(sc); 5308278366Sadrian WPI_UNLOCK(sc); 5309278366Sadrian} 5310278366Sadrian 5311278366Sadrian/* 5312278366Sadrian * Callback from net80211 to start a scan. 5313173362Sbenjsc */ 5314173362Sbenjscstatic void 5315173362Sbenjscwpi_scan_start(struct ieee80211com *ic) 5316173362Sbenjsc{ 5317280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 5318173362Sbenjsc 5319191746Sthompsa wpi_set_led(sc, WPI_LED_LINK, 20, 2); 5320173362Sbenjsc} 5321173362Sbenjsc 5322278366Sadrian/* 5323278366Sadrian * Callback from net80211 to terminate a scan. 5324173362Sbenjsc */ 5325173362Sbenjscstatic void 5326173362Sbenjscwpi_scan_end(struct ieee80211com *ic) 5327173362Sbenjsc{ 5328278366Sadrian struct ifnet *ifp = ic->ic_ifp; 5329278366Sadrian struct wpi_softc *sc = ifp->if_softc; 5330278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5331278366Sadrian 5332280073Sadrian if (vap->iv_state == IEEE80211_S_RUN) 5333278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 5334173362Sbenjsc} 5335173362Sbenjsc 5336173362Sbenjsc/** 5337173362Sbenjsc * Called by the net80211 framework to indicate to the driver 5338173362Sbenjsc * that the channel should be changed 5339173362Sbenjsc */ 5340173362Sbenjscstatic void 5341173362Sbenjscwpi_set_channel(struct ieee80211com *ic) 5342173362Sbenjsc{ 5343278366Sadrian const struct ieee80211_channel *c = ic->ic_curchan; 5344173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 5345173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 5346191746Sthompsa int error; 5347173362Sbenjsc 5348278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5349278366Sadrian 5350278366Sadrian WPI_LOCK(sc); 5351278366Sadrian sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq); 5352278366Sadrian sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags); 5353280113Sadrian WPI_UNLOCK(sc); 5354280113Sadrian WPI_TX_LOCK(sc); 5355278366Sadrian sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq); 5356278366Sadrian sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags); 5357280113Sadrian WPI_TX_UNLOCK(sc); 5358278366Sadrian 5359177043Sthompsa /* 5360177043Sthompsa * Only need to set the channel in Monitor mode. AP scanning and auth 5361177043Sthompsa * are already taken care of by their respective firmware commands. 5362177043Sthompsa */ 5363191746Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 5364280108Sadrian WPI_RXON_LOCK(sc); 5365278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 5366278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) { 5367278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | 5368278366Sadrian WPI_RXON_24GHZ); 5369278366Sadrian } else { 5370278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_AUTO | 5371278366Sadrian WPI_RXON_24GHZ); 5372278366Sadrian } 5373280108Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) 5374191746Sthompsa device_printf(sc->sc_dev, 5375280101Sadrian "%s: error %d setting channel\n", __func__, 5376278366Sadrian error); 5377280108Sadrian WPI_RXON_UNLOCK(sc); 5378191746Sthompsa } 5379173362Sbenjsc} 5380173362Sbenjsc 5381173362Sbenjsc/** 5382173362Sbenjsc * Called by net80211 to indicate that we need to scan the current 5383173362Sbenjsc * channel. The channel is previously be set via the wpi_set_channel 5384173362Sbenjsc * callback. 5385173362Sbenjsc */ 5386173362Sbenjscstatic void 5387178354Ssamwpi_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 5388173362Sbenjsc{ 5389178354Ssam struct ieee80211vap *vap = ss->ss_vap; 5390278366Sadrian struct ieee80211com *ic = vap->iv_ic; 5391280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 5392278366Sadrian int error; 5393173362Sbenjsc 5394280108Sadrian WPI_RXON_LOCK(sc); 5395278366Sadrian if (sc->rxon.chan != ieee80211_chan2ieee(ic, ic->ic_curchan)) { 5396278366Sadrian error = wpi_scan(sc, ic->ic_curchan); 5397280108Sadrian WPI_RXON_UNLOCK(sc); 5398278366Sadrian if (error != 0) 5399278366Sadrian ieee80211_cancel_scan(vap); 5400278366Sadrian } else { 5401280108Sadrian WPI_RXON_UNLOCK(sc); 5402278366Sadrian /* Send probe request when associated. */ 5403278366Sadrian sc->sc_scan_curchan(ss, maxdwell); 5404278366Sadrian } 5405173362Sbenjsc} 5406173362Sbenjsc 5407173362Sbenjsc/** 5408173362Sbenjsc * Called by the net80211 framework to indicate 5409173362Sbenjsc * the minimum dwell time has been met, terminate the scan. 5410173362Sbenjsc * We don't actually terminate the scan as the firmware will notify 5411173362Sbenjsc * us when it's finished and we have no way to interrupt it. 5412173362Sbenjsc */ 5413173362Sbenjscstatic void 5414178354Ssamwpi_scan_mindwell(struct ieee80211_scan_state *ss) 5415173362Sbenjsc{ 5416173362Sbenjsc /* NB: don't try to abort scan; wait for firmware to finish */ 5417173362Sbenjsc} 5418173362Sbenjsc 5419173362Sbenjscstatic void 5420278366Sadrianwpi_hw_reset(void *arg, int pending) 5421173362Sbenjsc{ 5422191746Sthompsa struct wpi_softc *sc = arg; 5423177043Sthompsa struct ifnet *ifp = sc->sc_ifp; 5424191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 5425278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5426173362Sbenjsc 5427278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5428173362Sbenjsc 5429280106Sadrian if (vap != NULL && (ic->ic_flags & IEEE80211_F_SCAN)) 5430280106Sadrian ieee80211_cancel_scan(vap); 5431280106Sadrian 5432278366Sadrian wpi_stop(sc); 5433278366Sadrian if (vap != NULL) 5434278366Sadrian ieee80211_stop(vap); 5435278366Sadrian wpi_init(sc); 5436278366Sadrian if (vap != NULL) 5437278366Sadrian ieee80211_init(vap); 5438173362Sbenjsc} 5439