if_wpi.c revision 280078
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 280078 2015-03-15 20:45:43Z adrian $"); 21173362Sbenjsc 22173362Sbenjsc/* 23173362Sbenjsc * Driver for Intel PRO/Wireless 3945ABG 802.11 network adapters. 24173362Sbenjsc * 25173362Sbenjsc * The 3945ABG network adapter doesn't use traditional hardware as 26173362Sbenjsc * many other adaptors do. Instead at run time the eeprom is set into a known 27173362Sbenjsc * state and told to load boot firmware. The boot firmware loads an init and a 28173362Sbenjsc * main binary firmware image into SRAM on the card via DMA. 29173362Sbenjsc * Once the firmware is loaded, the driver/hw then 30218909Sbrucec * communicate by way of circular dma rings via the SRAM to the firmware. 31173362Sbenjsc * 32173362Sbenjsc * There is 6 memory rings. 1 command ring, 1 rx data ring & 4 tx data rings. 33173362Sbenjsc * The 4 tx data rings allow for prioritization QoS. 34173362Sbenjsc * 35173362Sbenjsc * The rx data ring consists of 32 dma buffers. Two registers are used to 36173362Sbenjsc * indicate where in the ring the driver and the firmware are up to. The 37173362Sbenjsc * driver sets the initial read index (reg1) and the initial write index (reg2), 38173362Sbenjsc * the firmware updates the read index (reg1) on rx of a packet and fires an 39173362Sbenjsc * interrupt. The driver then processes the buffers starting at reg1 indicating 40173362Sbenjsc * to the firmware which buffers have been accessed by updating reg2. At the 41173362Sbenjsc * same time allocating new memory for the processed buffer. 42173362Sbenjsc * 43173362Sbenjsc * A similar thing happens with the tx rings. The difference is the firmware 44173362Sbenjsc * stop processing buffers once the queue is full and until confirmation 45278764Sadrian * of a successful transmition (tx_done) has occurred. 46173362Sbenjsc * 47173362Sbenjsc * The command ring operates in the same manner as the tx queues. 48173362Sbenjsc * 49173362Sbenjsc * All communication direct to the card (ie eeprom) is classed as Stage1 50173362Sbenjsc * communication 51173362Sbenjsc * 52173362Sbenjsc * All communication via the firmware to the card is classed as State2. 53173362Sbenjsc * The firmware consists of 2 parts. A bootstrap firmware and a runtime 54173362Sbenjsc * firmware. The bootstrap firmware and runtime firmware are loaded 55173362Sbenjsc * from host memory via dma to the card then told to execute. From this point 56173362Sbenjsc * on the majority of communications between the driver and the card goes 57173362Sbenjsc * via the firmware. 58173362Sbenjsc */ 59173362Sbenjsc 60236381Sadrian#include "opt_wlan.h" 61278366Sadrian#include "opt_wpi.h" 62236381Sadrian 63173362Sbenjsc#include <sys/param.h> 64173362Sbenjsc#include <sys/sysctl.h> 65173362Sbenjsc#include <sys/sockio.h> 66173362Sbenjsc#include <sys/mbuf.h> 67173362Sbenjsc#include <sys/kernel.h> 68173362Sbenjsc#include <sys/socket.h> 69173362Sbenjsc#include <sys/systm.h> 70173362Sbenjsc#include <sys/malloc.h> 71173362Sbenjsc#include <sys/queue.h> 72173362Sbenjsc#include <sys/taskqueue.h> 73173362Sbenjsc#include <sys/module.h> 74173362Sbenjsc#include <sys/bus.h> 75173362Sbenjsc#include <sys/endian.h> 76173362Sbenjsc#include <sys/linker.h> 77173362Sbenjsc#include <sys/firmware.h> 78173362Sbenjsc 79173362Sbenjsc#include <machine/bus.h> 80173362Sbenjsc#include <machine/resource.h> 81173362Sbenjsc#include <sys/rman.h> 82173362Sbenjsc 83173362Sbenjsc#include <dev/pci/pcireg.h> 84173362Sbenjsc#include <dev/pci/pcivar.h> 85173362Sbenjsc 86173362Sbenjsc#include <net/bpf.h> 87173362Sbenjsc#include <net/if.h> 88257176Sglebius#include <net/if_var.h> 89173362Sbenjsc#include <net/if_arp.h> 90173362Sbenjsc#include <net/ethernet.h> 91173362Sbenjsc#include <net/if_dl.h> 92173362Sbenjsc#include <net/if_media.h> 93173362Sbenjsc#include <net/if_types.h> 94173362Sbenjsc 95278366Sadrian#include <netinet/in.h> 96278366Sadrian#include <netinet/in_systm.h> 97278366Sadrian#include <netinet/in_var.h> 98278366Sadrian#include <netinet/if_ether.h> 99278366Sadrian#include <netinet/ip.h> 100278366Sadrian 101173362Sbenjsc#include <net80211/ieee80211_var.h> 102173362Sbenjsc#include <net80211/ieee80211_radiotap.h> 103173362Sbenjsc#include <net80211/ieee80211_regdomain.h> 104206358Srpaulo#include <net80211/ieee80211_ratectl.h> 105173362Sbenjsc 106173362Sbenjsc#include <dev/wpi/if_wpireg.h> 107173362Sbenjsc#include <dev/wpi/if_wpivar.h> 108278366Sadrian#include <dev/wpi/if_wpi_debug.h> 109173362Sbenjsc 110173362Sbenjscstruct wpi_ident { 111173362Sbenjsc uint16_t vendor; 112173362Sbenjsc uint16_t device; 113173362Sbenjsc uint16_t subdevice; 114173362Sbenjsc const char *name; 115173362Sbenjsc}; 116173362Sbenjsc 117173362Sbenjscstatic const struct wpi_ident wpi_ident_table[] = { 118173362Sbenjsc /* The below entries support ABG regardless of the subid */ 119173362Sbenjsc { 0x8086, 0x4222, 0x0, "Intel(R) PRO/Wireless 3945ABG" }, 120173362Sbenjsc { 0x8086, 0x4227, 0x0, "Intel(R) PRO/Wireless 3945ABG" }, 121173362Sbenjsc /* The below entries only support BG */ 122182127Sbenjsc { 0x8086, 0x4222, 0x1005, "Intel(R) PRO/Wireless 3945BG" }, 123182127Sbenjsc { 0x8086, 0x4222, 0x1034, "Intel(R) PRO/Wireless 3945BG" }, 124182127Sbenjsc { 0x8086, 0x4227, 0x1014, "Intel(R) PRO/Wireless 3945BG" }, 125182127Sbenjsc { 0x8086, 0x4222, 0x1044, "Intel(R) PRO/Wireless 3945BG" }, 126173362Sbenjsc { 0, 0, 0, NULL } 127173362Sbenjsc}; 128173362Sbenjsc 129278366Sadrianstatic int wpi_probe(device_t); 130278366Sadrianstatic int wpi_attach(device_t); 131278366Sadrianstatic void wpi_radiotap_attach(struct wpi_softc *); 132278366Sadrianstatic void wpi_sysctlattach(struct wpi_softc *); 133178354Ssamstatic struct ieee80211vap *wpi_vap_create(struct ieee80211com *, 134228621Sbschmidt const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 135228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN], 136228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN]); 137178354Ssamstatic void wpi_vap_delete(struct ieee80211vap *); 138278366Sadrianstatic int wpi_detach(device_t); 139278366Sadrianstatic int wpi_shutdown(device_t); 140278366Sadrianstatic int wpi_suspend(device_t); 141278366Sadrianstatic int wpi_resume(device_t); 142278366Sadrianstatic int wpi_nic_lock(struct wpi_softc *); 143278366Sadrianstatic int wpi_read_prom_data(struct wpi_softc *, uint32_t, void *, int); 144278366Sadrianstatic void wpi_dma_map_addr(void *, bus_dma_segment_t *, int, int); 145173362Sbenjscstatic int wpi_dma_contig_alloc(struct wpi_softc *, struct wpi_dma_info *, 146278366Sadrian void **, bus_size_t, bus_size_t); 147173362Sbenjscstatic void wpi_dma_contig_free(struct wpi_dma_info *); 148173362Sbenjscstatic int wpi_alloc_shared(struct wpi_softc *); 149173362Sbenjscstatic void wpi_free_shared(struct wpi_softc *); 150278366Sadrianstatic int wpi_alloc_fwmem(struct wpi_softc *); 151278366Sadrianstatic void wpi_free_fwmem(struct wpi_softc *); 152278366Sadrianstatic int wpi_alloc_rx_ring(struct wpi_softc *); 153278366Sadrianstatic void wpi_update_rx_ring(struct wpi_softc *); 154278366Sadrianstatic void wpi_reset_rx_ring(struct wpi_softc *); 155278366Sadrianstatic void wpi_free_rx_ring(struct wpi_softc *); 156173362Sbenjscstatic int wpi_alloc_tx_ring(struct wpi_softc *, struct wpi_tx_ring *, 157278366Sadrian int); 158278366Sadrianstatic void wpi_update_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 159173362Sbenjscstatic void wpi_reset_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 160173362Sbenjscstatic void wpi_free_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 161278366Sadrianstatic int wpi_read_eeprom(struct wpi_softc *, 162278366Sadrian uint8_t macaddr[IEEE80211_ADDR_LEN]); 163278366Sadrianstatic uint32_t wpi_eeprom_channel_flags(struct wpi_eeprom_chan *); 164278366Sadrianstatic void wpi_read_eeprom_band(struct wpi_softc *, int); 165278366Sadrianstatic int wpi_read_eeprom_channels(struct wpi_softc *, int); 166278366Sadrianstatic struct wpi_eeprom_chan *wpi_find_eeprom_channel(struct wpi_softc *, 167278366Sadrian struct ieee80211_channel *); 168278366Sadrianstatic int wpi_setregdomain(struct ieee80211com *, 169278366Sadrian struct ieee80211_regdomain *, int, 170278366Sadrian struct ieee80211_channel[]); 171278366Sadrianstatic int wpi_read_eeprom_group(struct wpi_softc *, int); 172280069Sadrianstatic int wpi_add_node_entry_adhoc(struct wpi_softc *); 173278366Sadrianstatic void wpi_node_free(struct ieee80211_node *); 174278366Sadrianstatic struct ieee80211_node *wpi_node_alloc(struct ieee80211vap *, 175278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 176178354Ssamstatic int wpi_newstate(struct ieee80211vap *, enum ieee80211_state, int); 177278366Sadrianstatic void wpi_calib_timeout(void *); 178278366Sadrianstatic void wpi_rx_done(struct wpi_softc *, struct wpi_rx_desc *, 179173362Sbenjsc struct wpi_rx_data *); 180278366Sadrianstatic void wpi_rx_statistics(struct wpi_softc *, struct wpi_rx_desc *, 181278366Sadrian struct wpi_rx_data *); 182278366Sadrianstatic void wpi_tx_done(struct wpi_softc *, struct wpi_rx_desc *); 183278366Sadrianstatic void wpi_cmd_done(struct wpi_softc *, struct wpi_rx_desc *); 184173362Sbenjscstatic void wpi_notif_intr(struct wpi_softc *); 185278366Sadrianstatic void wpi_wakeup_intr(struct wpi_softc *); 186278366Sadrianstatic void wpi_fatal_intr(struct wpi_softc *); 187173362Sbenjscstatic void wpi_intr(void *); 188278366Sadrianstatic int wpi_cmd2(struct wpi_softc *, struct wpi_buf *); 189173362Sbenjscstatic int wpi_tx_data(struct wpi_softc *, struct mbuf *, 190278366Sadrian struct ieee80211_node *); 191278366Sadrianstatic int wpi_tx_data_raw(struct wpi_softc *, struct mbuf *, 192278366Sadrian struct ieee80211_node *, 193278366Sadrian const struct ieee80211_bpf_params *); 194278366Sadrianstatic int wpi_raw_xmit(struct ieee80211_node *, struct mbuf *, 195278366Sadrian const struct ieee80211_bpf_params *); 196173362Sbenjscstatic void wpi_start(struct ifnet *); 197178354Ssamstatic void wpi_start_locked(struct ifnet *); 198280078Sadrianstatic void wpi_start_task(void *, int); 199278366Sadrianstatic void wpi_watchdog_rfkill(void *); 200278366Sadrianstatic void wpi_watchdog(void *); 201173362Sbenjscstatic int wpi_ioctl(struct ifnet *, u_long, caddr_t); 202278366Sadrianstatic int wpi_cmd(struct wpi_softc *, int, const void *, size_t, int); 203173362Sbenjscstatic int wpi_mrr_setup(struct wpi_softc *); 204278366Sadrianstatic int wpi_add_node(struct wpi_softc *, struct ieee80211_node *); 205278366Sadrianstatic int wpi_add_broadcast_node(struct wpi_softc *, int); 206278366Sadrianstatic int wpi_add_ibss_node(struct wpi_softc *, struct ieee80211_node *); 207278366Sadrianstatic void wpi_del_node(struct wpi_softc *, struct ieee80211_node *); 208278366Sadrianstatic int wpi_updateedca(struct ieee80211com *); 209278366Sadrianstatic void wpi_set_promisc(struct wpi_softc *); 210278366Sadrianstatic void wpi_update_promisc(struct ifnet *); 211278366Sadrianstatic void wpi_update_mcast(struct ifnet *); 212173362Sbenjscstatic void wpi_set_led(struct wpi_softc *, uint8_t, uint8_t, uint8_t); 213278366Sadrianstatic int wpi_set_timing(struct wpi_softc *, struct ieee80211_node *); 214278366Sadrianstatic void wpi_power_calibration(struct wpi_softc *); 215278366Sadrianstatic int wpi_set_txpower(struct wpi_softc *, int); 216278366Sadrianstatic int wpi_get_power_index(struct wpi_softc *, 217278366Sadrian struct wpi_power_group *, struct ieee80211_channel *, int); 218278366Sadrianstatic int wpi_set_pslevel(struct wpi_softc *, uint8_t, int, int); 219278366Sadrianstatic int wpi_send_btcoex(struct wpi_softc *); 220278366Sadrianstatic int wpi_send_rxon(struct wpi_softc *, int, int); 221278366Sadrianstatic int wpi_config(struct wpi_softc *); 222278366Sadrianstatic uint16_t wpi_get_active_dwell_time(struct wpi_softc *, 223278366Sadrian struct ieee80211_channel *, uint8_t); 224278366Sadrianstatic uint16_t wpi_limit_dwell(struct wpi_softc *, uint16_t); 225278366Sadrianstatic uint16_t wpi_get_passive_dwell_time(struct wpi_softc *, 226278366Sadrian struct ieee80211_channel *); 227278366Sadrianstatic int wpi_scan(struct wpi_softc *, struct ieee80211_channel *); 228278366Sadrianstatic int wpi_auth(struct wpi_softc *, struct ieee80211vap *); 229278366Sadrianstatic void wpi_update_beacon(struct ieee80211vap *, int); 230173362Sbenjscstatic int wpi_setup_beacon(struct wpi_softc *, struct ieee80211_node *); 231178354Ssamstatic int wpi_run(struct wpi_softc *, struct ieee80211vap *); 232278366Sadrianstatic int wpi_key_alloc(struct ieee80211vap *, struct ieee80211_key *, 233278366Sadrian ieee80211_keyix *, ieee80211_keyix *); 234278366Sadrianstatic int wpi_key_set(struct ieee80211vap *, 235278366Sadrian const struct ieee80211_key *, 236278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 237278366Sadrianstatic int wpi_key_delete(struct ieee80211vap *, 238278366Sadrian const struct ieee80211_key *); 239278366Sadrianstatic int wpi_post_alive(struct wpi_softc *); 240278366Sadrianstatic int wpi_load_bootcode(struct wpi_softc *, const uint8_t *, int); 241278366Sadrianstatic int wpi_load_firmware(struct wpi_softc *); 242278366Sadrianstatic int wpi_read_firmware(struct wpi_softc *); 243278366Sadrianstatic void wpi_unload_firmware(struct wpi_softc *); 244278366Sadrianstatic int wpi_clock_wait(struct wpi_softc *); 245278366Sadrianstatic int wpi_apm_init(struct wpi_softc *); 246278366Sadrianstatic void wpi_apm_stop_master(struct wpi_softc *); 247278366Sadrianstatic void wpi_apm_stop(struct wpi_softc *); 248278366Sadrianstatic void wpi_nic_config(struct wpi_softc *); 249278366Sadrianstatic int wpi_hw_init(struct wpi_softc *); 250278366Sadrianstatic void wpi_hw_stop(struct wpi_softc *); 251278366Sadrianstatic void wpi_radio_on(void *, int); 252278366Sadrianstatic void wpi_radio_off(void *, int); 253278366Sadrianstatic void wpi_init_locked(struct wpi_softc *); 254173362Sbenjscstatic void wpi_init(void *); 255278366Sadrianstatic void wpi_stop_locked(struct wpi_softc *); 256173362Sbenjscstatic void wpi_stop(struct wpi_softc *); 257278366Sadrianstatic void wpi_scan_start(struct ieee80211com *); 258278366Sadrianstatic void wpi_scan_end(struct ieee80211com *); 259278366Sadrianstatic void wpi_set_channel(struct ieee80211com *); 260278366Sadrianstatic void wpi_scan_curchan(struct ieee80211_scan_state *, unsigned long); 261278366Sadrianstatic void wpi_scan_mindwell(struct ieee80211_scan_state *); 262278366Sadrianstatic void wpi_hw_reset(void *, int); 263173362Sbenjsc 264173362Sbenjscstatic device_method_t wpi_methods[] = { 265173362Sbenjsc /* Device interface */ 266173362Sbenjsc DEVMETHOD(device_probe, wpi_probe), 267173362Sbenjsc DEVMETHOD(device_attach, wpi_attach), 268173362Sbenjsc DEVMETHOD(device_detach, wpi_detach), 269173362Sbenjsc DEVMETHOD(device_shutdown, wpi_shutdown), 270173362Sbenjsc DEVMETHOD(device_suspend, wpi_suspend), 271173362Sbenjsc DEVMETHOD(device_resume, wpi_resume), 272173362Sbenjsc 273260064Smarius DEVMETHOD_END 274173362Sbenjsc}; 275173362Sbenjsc 276173362Sbenjscstatic driver_t wpi_driver = { 277173362Sbenjsc "wpi", 278173362Sbenjsc wpi_methods, 279173362Sbenjsc sizeof (struct wpi_softc) 280173362Sbenjsc}; 281173362Sbenjscstatic devclass_t wpi_devclass; 282173362Sbenjsc 283260064SmariusDRIVER_MODULE(wpi, pci, wpi_driver, wpi_devclass, NULL, NULL); 284173362Sbenjsc 285222543SbschmidtMODULE_VERSION(wpi, 1); 286222543Sbschmidt 287278366SadrianMODULE_DEPEND(wpi, pci, 1, 1, 1); 288278366SadrianMODULE_DEPEND(wpi, wlan, 1, 1, 1); 289278366SadrianMODULE_DEPEND(wpi, firmware, 1, 1, 1); 290260064Smarius 291173362Sbenjscstatic int 292173362Sbenjscwpi_probe(device_t dev) 293173362Sbenjsc{ 294173362Sbenjsc const struct wpi_ident *ident; 295173362Sbenjsc 296173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 297173362Sbenjsc if (pci_get_vendor(dev) == ident->vendor && 298173362Sbenjsc pci_get_device(dev) == ident->device) { 299173362Sbenjsc device_set_desc(dev, ident->name); 300260064Smarius return (BUS_PROBE_DEFAULT); 301173362Sbenjsc } 302173362Sbenjsc } 303173362Sbenjsc return ENXIO; 304173362Sbenjsc} 305173362Sbenjsc 306173362Sbenjscstatic int 307173362Sbenjscwpi_attach(device_t dev) 308173362Sbenjsc{ 309278366Sadrian struct wpi_softc *sc = (struct wpi_softc *)device_get_softc(dev); 310278366Sadrian struct ieee80211com *ic; 311173362Sbenjsc struct ifnet *ifp; 312280061Sadrian int i, error, rid; 313280061Sadrian#ifdef WPI_DEBUG 314280061Sadrian int supportsa = 1; 315173362Sbenjsc const struct wpi_ident *ident; 316280061Sadrian#endif 317190526Ssam uint8_t macaddr[IEEE80211_ADDR_LEN]; 318173362Sbenjsc 319173362Sbenjsc sc->sc_dev = dev; 320173362Sbenjsc 321280059Sadrian#ifdef WPI_DEBUG 322278366Sadrian error = resource_int_value(device_get_name(sc->sc_dev), 323278366Sadrian device_get_unit(sc->sc_dev), "debug", &(sc->sc_debug)); 324278366Sadrian if (error != 0) 325278366Sadrian sc->sc_debug = 0; 326278366Sadrian#else 327278366Sadrian sc->sc_debug = 0; 328278366Sadrian#endif 329173362Sbenjsc 330278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 331278366Sadrian 332173362Sbenjsc /* 333278366Sadrian * Get the offset of the PCI Express Capability Structure in PCI 334278366Sadrian * Configuration Space. 335278366Sadrian */ 336278366Sadrian error = pci_find_cap(dev, PCIY_EXPRESS, &sc->sc_cap_off); 337278366Sadrian if (error != 0) { 338278366Sadrian device_printf(dev, "PCIe capability structure not found!\n"); 339278366Sadrian return error; 340278366Sadrian } 341278366Sadrian 342278366Sadrian /* 343173362Sbenjsc * Some card's only support 802.11b/g not a, check to see if 344173362Sbenjsc * this is one such card. A 0x0 in the subdevice table indicates 345173362Sbenjsc * the entire subdevice range is to be ignored. 346173362Sbenjsc */ 347280061Sadrian#ifdef WPI_DEBUG 348173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 349173362Sbenjsc if (ident->subdevice && 350173362Sbenjsc pci_get_subdevice(dev) == ident->subdevice) { 351173362Sbenjsc supportsa = 0; 352173362Sbenjsc break; 353173362Sbenjsc } 354173362Sbenjsc } 355280061Sadrian#endif 356173362Sbenjsc 357278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 358173362Sbenjsc pci_write_config(dev, 0x41, 0, 1); 359173362Sbenjsc 360278366Sadrian /* Enable bus-mastering. */ 361173362Sbenjsc pci_enable_busmaster(dev); 362173362Sbenjsc 363260064Smarius rid = PCIR_BAR(0); 364260064Smarius sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 365173362Sbenjsc RF_ACTIVE); 366173362Sbenjsc if (sc->mem == NULL) { 367278366Sadrian device_printf(dev, "can't map mem space\n"); 368173362Sbenjsc error = ENOMEM; 369278366Sadrian return error; 370173362Sbenjsc } 371173362Sbenjsc sc->sc_st = rman_get_bustag(sc->mem); 372173362Sbenjsc sc->sc_sh = rman_get_bushandle(sc->mem); 373173362Sbenjsc 374278366Sadrian i = 1; 375260064Smarius rid = 0; 376278366Sadrian if (pci_alloc_msi(dev, &i) == 0) 377278366Sadrian rid = 1; 378278366Sadrian /* Install interrupt handler. */ 379278366Sadrian sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | 380278366Sadrian (rid != 0 ? 0 : RF_SHAREABLE)); 381173362Sbenjsc if (sc->irq == NULL) { 382278366Sadrian device_printf(dev, "can't map interrupt\n"); 383173362Sbenjsc error = ENOMEM; 384173362Sbenjsc goto fail; 385173362Sbenjsc } 386173362Sbenjsc 387278366Sadrian WPI_LOCK_INIT(sc); 388280077Sadrian WPI_NT_LOCK_INIT(sc); 389280071Sadrian WPI_TXQ_LOCK_INIT(sc); 390278366Sadrian 391278366Sadrian /* Allocate DMA memory for firmware transfers. */ 392173362Sbenjsc if ((error = wpi_alloc_fwmem(sc)) != 0) { 393278366Sadrian device_printf(dev, 394278366Sadrian "could not allocate memory for firmware, error %d\n", 395278366Sadrian error); 396173362Sbenjsc goto fail; 397173362Sbenjsc } 398173362Sbenjsc 399278366Sadrian /* Allocate shared page. */ 400173362Sbenjsc if ((error = wpi_alloc_shared(sc)) != 0) { 401173362Sbenjsc device_printf(dev, "could not allocate shared page\n"); 402173362Sbenjsc goto fail; 403173362Sbenjsc } 404173362Sbenjsc 405278366Sadrian /* Allocate TX rings - 4 for QoS purposes, 1 for commands. */ 406278366Sadrian for (i = 0; i < WPI_NTXQUEUES; i++) { 407278366Sadrian if ((error = wpi_alloc_tx_ring(sc, &sc->txq[i], i)) != 0) { 408278366Sadrian device_printf(dev, 409278366Sadrian "could not allocate TX ring %d, error %d\n", i, 410278366Sadrian error); 411278366Sadrian goto fail; 412173362Sbenjsc } 413173362Sbenjsc } 414173362Sbenjsc 415278366Sadrian /* Allocate RX ring. */ 416278366Sadrian if ((error = wpi_alloc_rx_ring(sc)) != 0) { 417278366Sadrian device_printf(dev, "could not allocate RX ring, error %d\n", 418278366Sadrian error); 419173362Sbenjsc goto fail; 420173362Sbenjsc } 421173362Sbenjsc 422278366Sadrian /* Clear pending interrupts. */ 423278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 424173362Sbenjsc 425178354Ssam ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 426173362Sbenjsc if (ifp == NULL) { 427278366Sadrian device_printf(dev, "can not allocate ifnet structure\n"); 428173362Sbenjsc goto fail; 429173362Sbenjsc } 430278366Sadrian 431178354Ssam ic = ifp->if_l2com; 432173362Sbenjsc ic->ic_ifp = ifp; 433178354Ssam ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 434178354Ssam ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 435173362Sbenjsc 436278366Sadrian /* Set device capabilities. */ 437173362Sbenjsc ic->ic_caps = 438178957Ssam IEEE80211_C_STA /* station mode supported */ 439278366Sadrian | IEEE80211_C_IBSS /* IBSS mode supported */ 440178957Ssam | IEEE80211_C_MONITOR /* monitor mode supported */ 441278366Sadrian | IEEE80211_C_AHDEMO /* adhoc demo mode */ 442278366Sadrian | IEEE80211_C_BGSCAN /* capable of bg scanning */ 443173362Sbenjsc | IEEE80211_C_TXPMGT /* tx power management */ 444173362Sbenjsc | IEEE80211_C_SHSLOT /* short slot time supported */ 445278366Sadrian | IEEE80211_C_WPA /* 802.11i */ 446173362Sbenjsc | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 447173362Sbenjsc#if 0 448173362Sbenjsc | IEEE80211_C_HOSTAP /* Host access point mode */ 449173362Sbenjsc#endif 450278366Sadrian | IEEE80211_C_WME /* 802.11e */ 451278366Sadrian | IEEE80211_C_PMGT /* Station-side power mgmt */ 452173362Sbenjsc ; 453173362Sbenjsc 454278366Sadrian ic->ic_cryptocaps = 455278366Sadrian IEEE80211_CRYPTO_AES_CCM; 456278366Sadrian 457173362Sbenjsc /* 458173362Sbenjsc * Read in the eeprom and also setup the channels for 459173362Sbenjsc * net80211. We don't set the rates as net80211 does this for us 460173362Sbenjsc */ 461278366Sadrian if ((error = wpi_read_eeprom(sc, macaddr)) != 0) { 462278366Sadrian device_printf(dev, "could not read EEPROM, error %d\n", 463278366Sadrian error); 464278366Sadrian goto fail; 465280059Sadrian } 466173362Sbenjsc 467280059Sadrian#ifdef WPI_DEBUG 468278366Sadrian if (bootverbose) { 469280059Sadrian device_printf(sc->sc_dev, "Regulatory Domain: %.4s\n", 470280059Sadrian sc->domain); 471280059Sadrian device_printf(sc->sc_dev, "Hardware Type: %c\n", 472280059Sadrian sc->type > 1 ? 'B': '?'); 473280059Sadrian device_printf(sc->sc_dev, "Hardware Revision: %c\n", 474280076Sadrian ((sc->rev & 0xf0) == 0xd0) ? 'D': '?'); 475280059Sadrian device_printf(sc->sc_dev, "SKU %s support 802.11a\n", 476280059Sadrian supportsa ? "does" : "does not"); 477173362Sbenjsc 478280059Sadrian /* XXX hw_config uses the PCIDEV for the Hardware rev. Must 479280059Sadrian check what sc->rev really represents - benjsc 20070615 */ 480173362Sbenjsc } 481278366Sadrian#endif 482173362Sbenjsc 483173362Sbenjsc if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 484173362Sbenjsc ifp->if_softc = sc; 485173362Sbenjsc ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 486173362Sbenjsc ifp->if_init = wpi_init; 487173362Sbenjsc ifp->if_ioctl = wpi_ioctl; 488173362Sbenjsc ifp->if_start = wpi_start; 489207554Ssobomax IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 490207554Ssobomax ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 491173362Sbenjsc IFQ_SET_READY(&ifp->if_snd); 492178354Ssam 493190526Ssam ieee80211_ifattach(ic, macaddr); 494278366Sadrian ic->ic_vap_create = wpi_vap_create; 495278366Sadrian ic->ic_vap_delete = wpi_vap_delete; 496178354Ssam ic->ic_raw_xmit = wpi_raw_xmit; 497278366Sadrian ic->ic_node_alloc = wpi_node_alloc; 498278366Sadrian sc->sc_node_free = ic->ic_node_free; 499278366Sadrian ic->ic_node_free = wpi_node_free; 500278366Sadrian ic->ic_wme.wme_update = wpi_updateedca; 501278366Sadrian ic->ic_update_promisc = wpi_update_promisc; 502278366Sadrian ic->ic_update_mcast = wpi_update_mcast; 503173362Sbenjsc ic->ic_scan_start = wpi_scan_start; 504173362Sbenjsc ic->ic_scan_end = wpi_scan_end; 505173362Sbenjsc ic->ic_set_channel = wpi_set_channel; 506278366Sadrian sc->sc_scan_curchan = ic->ic_scan_curchan; 507173362Sbenjsc ic->ic_scan_curchan = wpi_scan_curchan; 508173362Sbenjsc ic->ic_scan_mindwell = wpi_scan_mindwell; 509278366Sadrian ic->ic_setregdomain = wpi_setregdomain; 510173362Sbenjsc 511278366Sadrian wpi_radiotap_attach(sc); 512173362Sbenjsc 513278366Sadrian callout_init_mtx(&sc->calib_to, &sc->sc_mtx, 0); 514278366Sadrian callout_init_mtx(&sc->watchdog_to, &sc->sc_mtx, 0); 515278366Sadrian callout_init_mtx(&sc->watchdog_rfkill, &sc->sc_mtx, 0); 516278366Sadrian TASK_INIT(&sc->sc_reinittask, 0, wpi_hw_reset, sc); 517278366Sadrian TASK_INIT(&sc->sc_radiooff_task, 0, wpi_radio_off, sc); 518278366Sadrian TASK_INIT(&sc->sc_radioon_task, 0, wpi_radio_on, sc); 519280078Sadrian TASK_INIT(&sc->sc_start_task, 0, wpi_start_task, sc); 520173362Sbenjsc 521278366Sadrian wpi_sysctlattach(sc); 522278366Sadrian 523173362Sbenjsc /* 524173362Sbenjsc * Hook our interrupt after all initialization is complete. 525173362Sbenjsc */ 526278366Sadrian error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 527177043Sthompsa NULL, wpi_intr, sc, &sc->sc_ih); 528173362Sbenjsc if (error != 0) { 529278366Sadrian device_printf(dev, "can't establish interrupt, error %d\n", 530278366Sadrian error); 531173362Sbenjsc goto fail; 532173362Sbenjsc } 533173362Sbenjsc 534177043Sthompsa if (bootverbose) 535177043Sthompsa ieee80211_announce(ic); 536278366Sadrian 537278366Sadrian#ifdef WPI_DEBUG 538278366Sadrian if (sc->sc_debug & WPI_DEBUG_HW) 539278366Sadrian ieee80211_announce_channels(ic); 540173362Sbenjsc#endif 541278366Sadrian 542278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 543173362Sbenjsc return 0; 544173362Sbenjsc 545173362Sbenjscfail: wpi_detach(dev); 546278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 547278366Sadrian return error; 548173362Sbenjsc} 549173362Sbenjsc 550278366Sadrian/* 551278366Sadrian * Attach the interface to 802.11 radiotap. 552278366Sadrian */ 553278366Sadrianstatic void 554278366Sadrianwpi_radiotap_attach(struct wpi_softc *sc) 555278366Sadrian{ 556278366Sadrian struct ifnet *ifp = sc->sc_ifp; 557278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 558278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 559278366Sadrian ieee80211_radiotap_attach(ic, 560278366Sadrian &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 561278366Sadrian WPI_TX_RADIOTAP_PRESENT, 562278366Sadrian &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 563278366Sadrian WPI_RX_RADIOTAP_PRESENT); 564278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 565278366Sadrian} 566278366Sadrian 567278366Sadrianstatic void 568278366Sadrianwpi_sysctlattach(struct wpi_softc *sc) 569278366Sadrian{ 570280059Sadrian#ifdef WPI_DEBUG 571278366Sadrian struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 572278366Sadrian struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 573278366Sadrian 574278366Sadrian SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 575278366Sadrian "debug", CTLFLAG_RW, &sc->sc_debug, sc->sc_debug, 576278366Sadrian "control debugging printfs"); 577278366Sadrian#endif 578278366Sadrian} 579278366Sadrian 580278366Sadrianstatic struct ieee80211vap * 581278366Sadrianwpi_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 582278366Sadrian enum ieee80211_opmode opmode, int flags, 583278366Sadrian const uint8_t bssid[IEEE80211_ADDR_LEN], 584278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 585278366Sadrian{ 586278366Sadrian struct wpi_vap *wvp; 587278366Sadrian struct wpi_buf *bcn; 588278366Sadrian struct ieee80211vap *vap; 589278366Sadrian 590278366Sadrian if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 591278366Sadrian return NULL; 592278366Sadrian 593278366Sadrian wvp = (struct wpi_vap *) malloc(sizeof(struct wpi_vap), 594278366Sadrian M_80211_VAP, M_NOWAIT | M_ZERO); 595278366Sadrian if (wvp == NULL) 596278366Sadrian return NULL; 597278366Sadrian vap = &wvp->vap; 598278366Sadrian ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 599278366Sadrian 600278366Sadrian bcn = &wvp->wv_bcbuf; 601278366Sadrian bcn->data = NULL; 602278366Sadrian 603278366Sadrian /* Override with driver methods. */ 604278366Sadrian wvp->newstate = vap->iv_newstate; 605278366Sadrian vap->iv_key_alloc = wpi_key_alloc; 606278366Sadrian vap->iv_key_set = wpi_key_set; 607278366Sadrian vap->iv_key_delete = wpi_key_delete; 608278366Sadrian vap->iv_newstate = wpi_newstate; 609278366Sadrian vap->iv_update_beacon = wpi_update_beacon; 610278366Sadrian 611278366Sadrian ieee80211_ratectl_init(vap); 612278366Sadrian /* Complete setup. */ 613280066Sadrian ieee80211_vap_attach(vap, ieee80211_media_change, 614280066Sadrian ieee80211_media_status); 615278366Sadrian ic->ic_opmode = opmode; 616278366Sadrian return vap; 617278366Sadrian} 618278366Sadrian 619278366Sadrianstatic void 620278366Sadrianwpi_vap_delete(struct ieee80211vap *vap) 621278366Sadrian{ 622278366Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 623278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 624278366Sadrian 625278366Sadrian ieee80211_ratectl_deinit(vap); 626278366Sadrian ieee80211_vap_detach(vap); 627278366Sadrian 628278366Sadrian if (bcn->data != NULL) 629278366Sadrian free(bcn->data, M_DEVBUF); 630278366Sadrian free(wvp, M_80211_VAP); 631278366Sadrian} 632278366Sadrian 633173362Sbenjscstatic int 634173362Sbenjscwpi_detach(device_t dev) 635173362Sbenjsc{ 636173362Sbenjsc struct wpi_softc *sc = device_get_softc(dev); 637178354Ssam struct ifnet *ifp = sc->sc_ifp; 638200530Sgavin struct ieee80211com *ic; 639278366Sadrian int qid; 640173362Sbenjsc 641278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 642260064Smarius 643200530Sgavin if (ifp != NULL) { 644200530Sgavin ic = ifp->if_l2com; 645191746Sthompsa 646278366Sadrian ieee80211_draintask(ic, &sc->sc_reinittask); 647278366Sadrian ieee80211_draintask(ic, &sc->sc_radiooff_task); 648280052Sadrian ieee80211_draintask(ic, &sc->sc_radioon_task); 649280078Sadrian ieee80211_draintask(ic, &sc->sc_start_task); 650278366Sadrian 651173362Sbenjsc wpi_stop(sc); 652278366Sadrian 653173362Sbenjsc callout_drain(&sc->watchdog_to); 654278366Sadrian callout_drain(&sc->watchdog_rfkill); 655173362Sbenjsc callout_drain(&sc->calib_to); 656173362Sbenjsc ieee80211_ifdetach(ic); 657173362Sbenjsc } 658173362Sbenjsc 659278366Sadrian /* Uninstall interrupt handler. */ 660278366Sadrian if (sc->irq != NULL) { 661278366Sadrian bus_teardown_intr(dev, sc->irq, sc->sc_ih); 662278366Sadrian bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), 663278366Sadrian sc->irq); 664278366Sadrian pci_release_msi(dev); 665278366Sadrian } 666278366Sadrian 667173362Sbenjsc if (sc->txq[0].data_dmat) { 668278366Sadrian /* Free DMA resources. */ 669278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 670278366Sadrian wpi_free_tx_ring(sc, &sc->txq[qid]); 671173362Sbenjsc 672278366Sadrian wpi_free_rx_ring(sc); 673173362Sbenjsc wpi_free_shared(sc); 674173362Sbenjsc } 675173362Sbenjsc 676173362Sbenjsc if (sc->fw_dma.tag) 677173362Sbenjsc wpi_free_fwmem(sc); 678278366Sadrian 679173362Sbenjsc if (sc->mem != NULL) 680260064Smarius bus_release_resource(dev, SYS_RES_MEMORY, 681260064Smarius rman_get_rid(sc->mem), sc->mem); 682173362Sbenjsc 683173362Sbenjsc if (ifp != NULL) 684173362Sbenjsc if_free(ifp); 685173362Sbenjsc 686278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 687280071Sadrian WPI_TXQ_LOCK_DESTROY(sc); 688280077Sadrian WPI_NT_LOCK_DESTROY(sc); 689173362Sbenjsc WPI_LOCK_DESTROY(sc); 690278366Sadrian return 0; 691278366Sadrian} 692173362Sbenjsc 693278366Sadrianstatic int 694278366Sadrianwpi_shutdown(device_t dev) 695278366Sadrian{ 696278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 697278366Sadrian 698278366Sadrian wpi_stop(sc); 699173362Sbenjsc return 0; 700173362Sbenjsc} 701173362Sbenjsc 702278366Sadrianstatic int 703278366Sadrianwpi_suspend(device_t dev) 704178354Ssam{ 705278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 706278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 707178354Ssam 708278366Sadrian ieee80211_suspend_all(ic); 709278366Sadrian return 0; 710278366Sadrian} 711178354Ssam 712278366Sadrianstatic int 713278366Sadrianwpi_resume(device_t dev) 714278366Sadrian{ 715278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 716278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 717278366Sadrian 718278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 719278366Sadrian pci_write_config(dev, 0x41, 0, 1); 720278366Sadrian 721278366Sadrian ieee80211_resume_all(ic); 722278366Sadrian return 0; 723178354Ssam} 724178354Ssam 725278366Sadrian/* 726278366Sadrian * Grab exclusive access to NIC memory. 727278366Sadrian */ 728278366Sadrianstatic int 729278366Sadrianwpi_nic_lock(struct wpi_softc *sc) 730178354Ssam{ 731278366Sadrian int ntries; 732178354Ssam 733278366Sadrian /* Request exclusive access to NIC. */ 734278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 735278366Sadrian 736278366Sadrian /* Spin until we actually get the lock. */ 737278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 738278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & 739280059Sadrian (WPI_GP_CNTRL_MAC_ACCESS_ENA | WPI_GP_CNTRL_SLEEP)) == 740278366Sadrian WPI_GP_CNTRL_MAC_ACCESS_ENA) 741278366Sadrian return 0; 742278366Sadrian DELAY(10); 743278366Sadrian } 744278366Sadrian 745278366Sadrian device_printf(sc->sc_dev, "could not lock memory\n"); 746278366Sadrian 747278366Sadrian return ETIMEDOUT; 748178354Ssam} 749178354Ssam 750278366Sadrian/* 751278366Sadrian * Release lock on NIC memory. 752278366Sadrian */ 753278366Sadrianstatic __inline void 754278366Sadrianwpi_nic_unlock(struct wpi_softc *sc) 755278366Sadrian{ 756278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 757278366Sadrian} 758278366Sadrian 759278366Sadrianstatic __inline uint32_t 760278366Sadrianwpi_prph_read(struct wpi_softc *sc, uint32_t addr) 761278366Sadrian{ 762278366Sadrian WPI_WRITE(sc, WPI_PRPH_RADDR, WPI_PRPH_DWORD | addr); 763278366Sadrian WPI_BARRIER_READ_WRITE(sc); 764278366Sadrian return WPI_READ(sc, WPI_PRPH_RDATA); 765278366Sadrian} 766278366Sadrian 767278366Sadrianstatic __inline void 768278366Sadrianwpi_prph_write(struct wpi_softc *sc, uint32_t addr, uint32_t data) 769278366Sadrian{ 770278366Sadrian WPI_WRITE(sc, WPI_PRPH_WADDR, WPI_PRPH_DWORD | addr); 771278366Sadrian WPI_BARRIER_WRITE(sc); 772278366Sadrian WPI_WRITE(sc, WPI_PRPH_WDATA, data); 773278366Sadrian} 774278366Sadrian 775278366Sadrianstatic __inline void 776278366Sadrianwpi_prph_setbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 777278366Sadrian{ 778278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) | mask); 779278366Sadrian} 780278366Sadrian 781278366Sadrianstatic __inline void 782278366Sadrianwpi_prph_clrbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 783278366Sadrian{ 784278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) & ~mask); 785278366Sadrian} 786278366Sadrian 787278366Sadrianstatic __inline void 788278366Sadrianwpi_prph_write_region_4(struct wpi_softc *sc, uint32_t addr, 789278366Sadrian const uint32_t *data, int count) 790278366Sadrian{ 791278366Sadrian for (; count > 0; count--, data++, addr += 4) 792278366Sadrian wpi_prph_write(sc, addr, *data); 793278366Sadrian} 794278366Sadrian 795278366Sadrianstatic __inline uint32_t 796278366Sadrianwpi_mem_read(struct wpi_softc *sc, uint32_t addr) 797278366Sadrian{ 798278366Sadrian WPI_WRITE(sc, WPI_MEM_RADDR, addr); 799278366Sadrian WPI_BARRIER_READ_WRITE(sc); 800278366Sadrian return WPI_READ(sc, WPI_MEM_RDATA); 801278366Sadrian} 802278366Sadrian 803278366Sadrianstatic __inline void 804278366Sadrianwpi_mem_read_region_4(struct wpi_softc *sc, uint32_t addr, uint32_t *data, 805278366Sadrian int count) 806278366Sadrian{ 807278366Sadrian for (; count > 0; count--, addr += 4) 808278366Sadrian *data++ = wpi_mem_read(sc, addr); 809278366Sadrian} 810278366Sadrian 811278366Sadrianstatic int 812278366Sadrianwpi_read_prom_data(struct wpi_softc *sc, uint32_t addr, void *data, int count) 813278366Sadrian{ 814278366Sadrian uint8_t *out = data; 815278366Sadrian uint32_t val; 816278366Sadrian int error, ntries; 817278366Sadrian 818278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 819278366Sadrian 820278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 821278366Sadrian return error; 822278366Sadrian 823278366Sadrian for (; count > 0; count -= 2, addr++) { 824278366Sadrian WPI_WRITE(sc, WPI_EEPROM, addr << 2); 825278366Sadrian for (ntries = 0; ntries < 10; ntries++) { 826278366Sadrian val = WPI_READ(sc, WPI_EEPROM); 827278366Sadrian if (val & WPI_EEPROM_READ_VALID) 828278366Sadrian break; 829278366Sadrian DELAY(5); 830278366Sadrian } 831278366Sadrian if (ntries == 10) { 832278366Sadrian device_printf(sc->sc_dev, 833278366Sadrian "timeout reading ROM at 0x%x\n", addr); 834278366Sadrian return ETIMEDOUT; 835278366Sadrian } 836278366Sadrian *out++= val >> 16; 837278366Sadrian if (count > 1) 838278366Sadrian *out ++= val >> 24; 839278366Sadrian } 840278366Sadrian 841278366Sadrian wpi_nic_unlock(sc); 842278366Sadrian 843278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 844278366Sadrian 845278366Sadrian return 0; 846278366Sadrian} 847278366Sadrian 848178354Ssamstatic void 849173362Sbenjscwpi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 850173362Sbenjsc{ 851173362Sbenjsc if (error != 0) 852173362Sbenjsc return; 853173362Sbenjsc KASSERT(nsegs == 1, ("too many DMA segments, %d should be 1", nsegs)); 854173362Sbenjsc *(bus_addr_t *)arg = segs[0].ds_addr; 855173362Sbenjsc} 856173362Sbenjsc 857177043Sthompsa/* 858177043Sthompsa * Allocates a contiguous block of dma memory of the requested size and 859278366Sadrian * alignment. 860177043Sthompsa */ 861173362Sbenjscstatic int 862173362Sbenjscwpi_dma_contig_alloc(struct wpi_softc *sc, struct wpi_dma_info *dma, 863278366Sadrian void **kvap, bus_size_t size, bus_size_t alignment) 864173362Sbenjsc{ 865173362Sbenjsc int error; 866173362Sbenjsc 867278366Sadrian dma->tag = NULL; 868173362Sbenjsc dma->size = size; 869173362Sbenjsc 870278366Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), alignment, 871278366Sadrian 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, size, 872278366Sadrian 1, size, BUS_DMA_NOWAIT, NULL, NULL, &dma->tag); 873278366Sadrian if (error != 0) 874173362Sbenjsc goto fail; 875278366Sadrian 876278366Sadrian error = bus_dmamem_alloc(dma->tag, (void **)&dma->vaddr, 877278366Sadrian BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, &dma->map); 878278366Sadrian if (error != 0) 879173362Sbenjsc goto fail; 880173362Sbenjsc 881278366Sadrian error = bus_dmamap_load(dma->tag, dma->map, dma->vaddr, size, 882278366Sadrian wpi_dma_map_addr, &dma->paddr, BUS_DMA_NOWAIT); 883278366Sadrian if (error != 0) 884278366Sadrian goto fail; 885177043Sthompsa 886278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 887177043Sthompsa 888173362Sbenjsc if (kvap != NULL) 889173362Sbenjsc *kvap = dma->vaddr; 890173362Sbenjsc 891173362Sbenjsc return 0; 892173362Sbenjsc 893278366Sadrianfail: wpi_dma_contig_free(dma); 894173362Sbenjsc return error; 895173362Sbenjsc} 896173362Sbenjsc 897173362Sbenjscstatic void 898173362Sbenjscwpi_dma_contig_free(struct wpi_dma_info *dma) 899173362Sbenjsc{ 900278366Sadrian if (dma->vaddr != NULL) { 901278366Sadrian bus_dmamap_sync(dma->tag, dma->map, 902278366Sadrian BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 903278366Sadrian bus_dmamap_unload(dma->tag, dma->map); 904278366Sadrian bus_dmamem_free(dma->tag, dma->vaddr, dma->map); 905278366Sadrian dma->vaddr = NULL; 906278366Sadrian } 907278366Sadrian if (dma->tag != NULL) { 908173362Sbenjsc bus_dma_tag_destroy(dma->tag); 909278366Sadrian dma->tag = NULL; 910173362Sbenjsc } 911173362Sbenjsc} 912173362Sbenjsc 913173362Sbenjsc/* 914173362Sbenjsc * Allocate a shared page between host and NIC. 915173362Sbenjsc */ 916173362Sbenjscstatic int 917173362Sbenjscwpi_alloc_shared(struct wpi_softc *sc) 918173362Sbenjsc{ 919278366Sadrian /* Shared buffer must be aligned on a 4KB boundary. */ 920278366Sadrian return wpi_dma_contig_alloc(sc, &sc->shared_dma, 921278366Sadrian (void **)&sc->shared, sizeof (struct wpi_shared), 4096); 922173362Sbenjsc} 923173362Sbenjsc 924173362Sbenjscstatic void 925173362Sbenjscwpi_free_shared(struct wpi_softc *sc) 926173362Sbenjsc{ 927173362Sbenjsc wpi_dma_contig_free(&sc->shared_dma); 928173362Sbenjsc} 929173362Sbenjsc 930278366Sadrian/* 931278366Sadrian * Allocate DMA-safe memory for firmware transfer. 932278366Sadrian */ 933173362Sbenjscstatic int 934278366Sadrianwpi_alloc_fwmem(struct wpi_softc *sc) 935173362Sbenjsc{ 936278366Sadrian /* Must be aligned on a 16-byte boundary. */ 937278366Sadrian return wpi_dma_contig_alloc(sc, &sc->fw_dma, NULL, 938278366Sadrian WPI_FW_TEXT_MAXSZ + WPI_FW_DATA_MAXSZ, 16); 939278366Sadrian} 940173362Sbenjsc 941278366Sadrianstatic void 942278366Sadrianwpi_free_fwmem(struct wpi_softc *sc) 943278366Sadrian{ 944278366Sadrian wpi_dma_contig_free(&sc->fw_dma); 945278366Sadrian} 946278366Sadrian 947278366Sadrianstatic int 948278366Sadrianwpi_alloc_rx_ring(struct wpi_softc *sc) 949278366Sadrian{ 950278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 951278366Sadrian bus_size_t size; 952173362Sbenjsc int i, error; 953173362Sbenjsc 954173362Sbenjsc ring->cur = 0; 955278366Sadrian ring->update = 0; 956173362Sbenjsc 957278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 958278366Sadrian 959278366Sadrian /* Allocate RX descriptors (16KB aligned.) */ 960278366Sadrian size = WPI_RX_RING_COUNT * sizeof (uint32_t); 961173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->desc_dma, 962278366Sadrian (void **)&ring->desc, size, WPI_RING_DMA_ALIGN); 963173362Sbenjsc if (error != 0) { 964177043Sthompsa device_printf(sc->sc_dev, 965278366Sadrian "%s: could not allocate RX ring DMA memory, error %d\n", 966177043Sthompsa __func__, error); 967177043Sthompsa goto fail; 968173362Sbenjsc } 969173362Sbenjsc 970278366Sadrian /* Create RX buffer DMA tag. */ 971280059Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 972278366Sadrian BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 973278366Sadrian MJUMPAGESIZE, 1, MJUMPAGESIZE, BUS_DMA_NOWAIT, NULL, NULL, 974278366Sadrian &ring->data_dmat); 975280059Sadrian if (error != 0) { 976280059Sadrian device_printf(sc->sc_dev, 977278366Sadrian "%s: could not create RX buf DMA tag, error %d\n", 978177043Sthompsa __func__, error); 979280059Sadrian goto fail; 980280059Sadrian } 981177043Sthompsa 982173362Sbenjsc /* 983278366Sadrian * Allocate and map RX buffers. 984173362Sbenjsc */ 985173362Sbenjsc for (i = 0; i < WPI_RX_RING_COUNT; i++) { 986177043Sthompsa struct wpi_rx_data *data = &ring->data[i]; 987177043Sthompsa bus_addr_t paddr; 988173362Sbenjsc 989177043Sthompsa error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 990177043Sthompsa if (error != 0) { 991173362Sbenjsc device_printf(sc->sc_dev, 992278366Sadrian "%s: could not create RX buf DMA map, error %d\n", 993177043Sthompsa __func__, error); 994173362Sbenjsc goto fail; 995173362Sbenjsc } 996278366Sadrian 997278366Sadrian data->m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 998278366Sadrian if (data->m == NULL) { 999173362Sbenjsc device_printf(sc->sc_dev, 1000278366Sadrian "%s: could not allocate RX mbuf\n", __func__); 1001278366Sadrian error = ENOBUFS; 1002173362Sbenjsc goto fail; 1003173362Sbenjsc } 1004278366Sadrian 1005177043Sthompsa error = bus_dmamap_load(ring->data_dmat, data->map, 1006278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1007278366Sadrian &paddr, BUS_DMA_NOWAIT); 1008177043Sthompsa if (error != 0 && error != EFBIG) { 1009177043Sthompsa device_printf(sc->sc_dev, 1010278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, 1011278366Sadrian error); 1012173362Sbenjsc goto fail; 1013173362Sbenjsc } 1014177043Sthompsa 1015278366Sadrian /* Set physical address of RX buffer. */ 1016177043Sthompsa ring->desc[i] = htole32(paddr); 1017173362Sbenjsc } 1018278366Sadrian 1019173362Sbenjsc bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1020173362Sbenjsc BUS_DMASYNC_PREWRITE); 1021278366Sadrian 1022278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1023278366Sadrian 1024173362Sbenjsc return 0; 1025278366Sadrian 1026278366Sadrianfail: wpi_free_rx_ring(sc); 1027278366Sadrian 1028278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1029278366Sadrian 1030173362Sbenjsc return error; 1031173362Sbenjsc} 1032173362Sbenjsc 1033173362Sbenjscstatic void 1034278366Sadrianwpi_update_rx_ring(struct wpi_softc *sc) 1035173362Sbenjsc{ 1036278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1037173362Sbenjsc 1038280056Sadrian if (ring->update != 0) { 1039280056Sadrian /* Wait for INT_WAKEUP event. */ 1040280056Sadrian return; 1041280056Sadrian } 1042280056Sadrian 1043278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1044278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s: wakeup request\n", 1045278366Sadrian __func__); 1046173362Sbenjsc 1047278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1048278366Sadrian ring->update = 1; 1049278366Sadrian } else 1050278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, ring->cur & ~7); 1051278366Sadrian} 1052173362Sbenjsc 1053278366Sadrianstatic void 1054278366Sadrianwpi_reset_rx_ring(struct wpi_softc *sc) 1055278366Sadrian{ 1056278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1057278366Sadrian int ntries; 1058173362Sbenjsc 1059278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1060173362Sbenjsc 1061278366Sadrian if (wpi_nic_lock(sc) == 0) { 1062278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 0); 1063278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 1064278366Sadrian if (WPI_READ(sc, WPI_FH_RX_STATUS) & 1065278366Sadrian WPI_FH_RX_STATUS_IDLE) 1066278366Sadrian break; 1067278366Sadrian DELAY(10); 1068278366Sadrian } 1069173362Sbenjsc#ifdef WPI_DEBUG 1070278366Sadrian if (ntries == 1000) { 1071278366Sadrian device_printf(sc->sc_dev, 1072278366Sadrian "timeout resetting Rx ring\n"); 1073278366Sadrian } 1074173362Sbenjsc#endif 1075278366Sadrian wpi_nic_unlock(sc); 1076278366Sadrian } 1077173362Sbenjsc 1078173362Sbenjsc ring->cur = 0; 1079278366Sadrian ring->update = 0; 1080173362Sbenjsc} 1081173362Sbenjsc 1082173362Sbenjscstatic void 1083278366Sadrianwpi_free_rx_ring(struct wpi_softc *sc) 1084173362Sbenjsc{ 1085278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1086173362Sbenjsc int i; 1087173362Sbenjsc 1088278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1089278366Sadrian 1090173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1091173362Sbenjsc 1092216824Sbschmidt for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1093216824Sbschmidt struct wpi_rx_data *data = &ring->data[i]; 1094216824Sbschmidt 1095216824Sbschmidt if (data->m != NULL) { 1096216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, 1097216824Sbschmidt BUS_DMASYNC_POSTREAD); 1098216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1099216824Sbschmidt m_freem(data->m); 1100278366Sadrian data->m = NULL; 1101216824Sbschmidt } 1102216824Sbschmidt if (data->map != NULL) 1103216824Sbschmidt bus_dmamap_destroy(ring->data_dmat, data->map); 1104216824Sbschmidt } 1105278366Sadrian if (ring->data_dmat != NULL) { 1106278366Sadrian bus_dma_tag_destroy(ring->data_dmat); 1107278366Sadrian ring->data_dmat = NULL; 1108278366Sadrian } 1109173362Sbenjsc} 1110173362Sbenjsc 1111173362Sbenjscstatic int 1112278366Sadrianwpi_alloc_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring, int qid) 1113173362Sbenjsc{ 1114278366Sadrian bus_addr_t paddr; 1115278366Sadrian bus_size_t size; 1116173362Sbenjsc int i, error; 1117173362Sbenjsc 1118173362Sbenjsc ring->qid = qid; 1119173362Sbenjsc ring->queued = 0; 1120173362Sbenjsc ring->cur = 0; 1121278366Sadrian ring->update = 0; 1122173362Sbenjsc 1123278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1124173362Sbenjsc 1125278366Sadrian /* Allocate TX descriptors (16KB aligned.) */ 1126278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_desc); 1127278366Sadrian error = wpi_dma_contig_alloc(sc, &ring->desc_dma, (void **)&ring->desc, 1128278366Sadrian size, WPI_RING_DMA_ALIGN); 1129173362Sbenjsc if (error != 0) { 1130278366Sadrian device_printf(sc->sc_dev, 1131278366Sadrian "%s: could not allocate TX ring DMA memory, error %d\n", 1132278366Sadrian __func__, error); 1133278366Sadrian goto fail; 1134173362Sbenjsc } 1135173362Sbenjsc 1136278366Sadrian /* Update shared area with ring physical address. */ 1137173362Sbenjsc sc->shared->txbase[qid] = htole32(ring->desc_dma.paddr); 1138278366Sadrian bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 1139278366Sadrian BUS_DMASYNC_PREWRITE); 1140173362Sbenjsc 1141278366Sadrian /* 1142278366Sadrian * We only use rings 0 through 4 (4 EDCA + cmd) so there is no need 1143278366Sadrian * to allocate commands space for other rings. 1144278366Sadrian * XXX Do we really need to allocate descriptors for other rings? 1145278366Sadrian */ 1146280064Sadrian if (qid > WPI_CMD_QUEUE_NUM) 1147278366Sadrian return 0; 1148278366Sadrian 1149278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_cmd); 1150173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->cmd_dma, (void **)&ring->cmd, 1151278366Sadrian size, 4); 1152173362Sbenjsc if (error != 0) { 1153173362Sbenjsc device_printf(sc->sc_dev, 1154278366Sadrian "%s: could not allocate TX cmd DMA memory, error %d\n", 1155278366Sadrian __func__, error); 1156173362Sbenjsc goto fail; 1157173362Sbenjsc } 1158173362Sbenjsc 1159173362Sbenjsc error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1160173362Sbenjsc BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1161173362Sbenjsc WPI_MAX_SCATTER - 1, MCLBYTES, BUS_DMA_NOWAIT, NULL, NULL, 1162173362Sbenjsc &ring->data_dmat); 1163173362Sbenjsc if (error != 0) { 1164278366Sadrian device_printf(sc->sc_dev, 1165278366Sadrian "%s: could not create TX buf DMA tag, error %d\n", 1166278366Sadrian __func__, error); 1167173362Sbenjsc goto fail; 1168173362Sbenjsc } 1169173362Sbenjsc 1170278366Sadrian paddr = ring->cmd_dma.paddr; 1171278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1172278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1173173362Sbenjsc 1174278366Sadrian data->cmd_paddr = paddr; 1175278366Sadrian paddr += sizeof (struct wpi_tx_cmd); 1176278366Sadrian 1177173362Sbenjsc error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1178173362Sbenjsc if (error != 0) { 1179173362Sbenjsc device_printf(sc->sc_dev, 1180278366Sadrian "%s: could not create TX buf DMA map, error %d\n", 1181278366Sadrian __func__, error); 1182173362Sbenjsc goto fail; 1183173362Sbenjsc } 1184173362Sbenjsc } 1185173362Sbenjsc 1186278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1187278366Sadrian 1188173362Sbenjsc return 0; 1189173362Sbenjsc 1190278366Sadrianfail: wpi_free_tx_ring(sc, ring); 1191278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1192173362Sbenjsc return error; 1193173362Sbenjsc} 1194173362Sbenjsc 1195173362Sbenjscstatic void 1196278366Sadrianwpi_update_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1197278366Sadrian{ 1198280056Sadrian if (ring->update != 0) { 1199280056Sadrian /* Wait for INT_WAKEUP event. */ 1200280056Sadrian return; 1201280056Sadrian } 1202280056Sadrian 1203278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1204278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s (%d): requesting wakeup\n", 1205278366Sadrian __func__, ring->qid); 1206278366Sadrian 1207278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1208278366Sadrian ring->update = 1; 1209278366Sadrian } else 1210278366Sadrian WPI_WRITE(sc, WPI_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur); 1211278366Sadrian} 1212278366Sadrian 1213278366Sadrianstatic void 1214173362Sbenjscwpi_reset_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1215173362Sbenjsc{ 1216278366Sadrian int i; 1217173362Sbenjsc 1218278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1219173362Sbenjsc 1220278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1221278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1222173362Sbenjsc 1223173362Sbenjsc if (data->m != NULL) { 1224278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1225278366Sadrian BUS_DMASYNC_POSTWRITE); 1226173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1227173362Sbenjsc m_freem(data->m); 1228173362Sbenjsc data->m = NULL; 1229173362Sbenjsc } 1230173362Sbenjsc } 1231278366Sadrian /* Clear TX descriptors. */ 1232278366Sadrian memset(ring->desc, 0, ring->desc_dma.size); 1233278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1234278366Sadrian BUS_DMASYNC_PREWRITE); 1235278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1236173362Sbenjsc ring->queued = 0; 1237173362Sbenjsc ring->cur = 0; 1238278366Sadrian ring->update = 0; 1239173362Sbenjsc} 1240173362Sbenjsc 1241173362Sbenjscstatic void 1242173362Sbenjscwpi_free_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1243173362Sbenjsc{ 1244173362Sbenjsc int i; 1245173362Sbenjsc 1246278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1247278366Sadrian 1248173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1249173362Sbenjsc wpi_dma_contig_free(&ring->cmd_dma); 1250173362Sbenjsc 1251278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1252278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1253173362Sbenjsc 1254278366Sadrian if (data->m != NULL) { 1255278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1256278366Sadrian BUS_DMASYNC_POSTWRITE); 1257278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1258278366Sadrian m_freem(data->m); 1259173362Sbenjsc } 1260278366Sadrian if (data->map != NULL) 1261278366Sadrian bus_dmamap_destroy(ring->data_dmat, data->map); 1262173362Sbenjsc } 1263278366Sadrian if (ring->data_dmat != NULL) { 1264173362Sbenjsc bus_dma_tag_destroy(ring->data_dmat); 1265278366Sadrian ring->data_dmat = NULL; 1266278366Sadrian } 1267173362Sbenjsc} 1268173362Sbenjsc 1269278366Sadrian/* 1270278366Sadrian * Extract various information from EEPROM. 1271278366Sadrian */ 1272173362Sbenjscstatic int 1273278366Sadrianwpi_read_eeprom(struct wpi_softc *sc, uint8_t macaddr[IEEE80211_ADDR_LEN]) 1274173362Sbenjsc{ 1275278366Sadrian#define WPI_CHK(res) do { \ 1276278366Sadrian if ((error = res) != 0) \ 1277278366Sadrian goto fail; \ 1278278366Sadrian} while (0) 1279278366Sadrian int error, i; 1280173362Sbenjsc 1281278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1282173362Sbenjsc 1283278366Sadrian /* Adapter has to be powered on for EEPROM access to work. */ 1284278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 1285278366Sadrian device_printf(sc->sc_dev, 1286278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 1287278366Sadrian error); 1288278366Sadrian return error; 1289278366Sadrian } 1290278366Sadrian 1291278366Sadrian if ((WPI_READ(sc, WPI_EEPROM_GP) & 0x6) == 0) { 1292278366Sadrian device_printf(sc->sc_dev, "bad EEPROM signature\n"); 1293278366Sadrian error = EIO; 1294278366Sadrian goto fail; 1295278366Sadrian } 1296278366Sadrian /* Clear HW ownership of EEPROM. */ 1297278366Sadrian WPI_CLRBITS(sc, WPI_EEPROM_GP, WPI_EEPROM_GP_IF_OWNER); 1298278366Sadrian 1299278366Sadrian /* Read the hardware capabilities, revision and SKU type. */ 1300278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_SKU_CAP, &sc->cap, 1301278366Sadrian sizeof(sc->cap))); 1302278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_REVISION, &sc->rev, 1303278366Sadrian sizeof(sc->rev))); 1304278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_TYPE, &sc->type, 1305278366Sadrian sizeof(sc->type))); 1306278366Sadrian 1307280076Sadrian sc->rev = le16toh(sc->rev); 1308280066Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, "cap=%x rev=%x type=%x\n", sc->cap, 1309280076Sadrian sc->rev, sc->type); 1310278366Sadrian 1311278366Sadrian /* Read the regulatory domain (4 ASCII characters.) */ 1312278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_DOMAIN, sc->domain, 1313278366Sadrian sizeof(sc->domain))); 1314278366Sadrian 1315278366Sadrian /* Read MAC address. */ 1316278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_MAC, macaddr, 1317278366Sadrian IEEE80211_ADDR_LEN)); 1318278366Sadrian 1319278366Sadrian /* Read the list of authorized channels. */ 1320278366Sadrian for (i = 0; i < WPI_CHAN_BANDS_COUNT; i++) 1321278366Sadrian WPI_CHK(wpi_read_eeprom_channels(sc, i)); 1322278366Sadrian 1323278366Sadrian /* Read the list of TX power groups. */ 1324278366Sadrian for (i = 0; i < WPI_POWER_GROUPS_COUNT; i++) 1325278366Sadrian WPI_CHK(wpi_read_eeprom_group(sc, i)); 1326278366Sadrian 1327278366Sadrianfail: wpi_apm_stop(sc); /* Power OFF adapter. */ 1328278366Sadrian 1329278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, error ? TRACE_STR_END_ERR : TRACE_STR_END, 1330278366Sadrian __func__); 1331278366Sadrian 1332278366Sadrian return error; 1333278366Sadrian#undef WPI_CHK 1334278366Sadrian} 1335278366Sadrian 1336278366Sadrian/* 1337278366Sadrian * Translate EEPROM flags to net80211. 1338278366Sadrian */ 1339278366Sadrianstatic uint32_t 1340278366Sadrianwpi_eeprom_channel_flags(struct wpi_eeprom_chan *channel) 1341278366Sadrian{ 1342278366Sadrian uint32_t nflags; 1343278366Sadrian 1344278366Sadrian nflags = 0; 1345278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_ACTIVE) == 0) 1346278366Sadrian nflags |= IEEE80211_CHAN_PASSIVE; 1347278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_IBSS) == 0) 1348278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1349278366Sadrian if (channel->flags & WPI_EEPROM_CHAN_RADAR) { 1350278366Sadrian nflags |= IEEE80211_CHAN_DFS; 1351278366Sadrian /* XXX apparently IBSS may still be marked */ 1352278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1353278366Sadrian } 1354278366Sadrian 1355278366Sadrian return nflags; 1356278366Sadrian} 1357278366Sadrian 1358278366Sadrianstatic void 1359278366Sadrianwpi_read_eeprom_band(struct wpi_softc *sc, int n) 1360278366Sadrian{ 1361278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1362278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1363278366Sadrian struct wpi_eeprom_chan *channels = sc->eeprom_channels[n]; 1364278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1365278366Sadrian struct ieee80211_channel *c; 1366278366Sadrian uint8_t chan; 1367278366Sadrian int i, nflags; 1368278366Sadrian 1369278366Sadrian for (i = 0; i < band->nchan; i++) { 1370278366Sadrian if (!(channels[i].flags & WPI_EEPROM_CHAN_VALID)) { 1371278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 1372278366Sadrian "Channel Not Valid: %d, band %d\n", 1373278366Sadrian band->chan[i],n); 1374278366Sadrian continue; 1375278366Sadrian } 1376278366Sadrian 1377278366Sadrian chan = band->chan[i]; 1378278366Sadrian nflags = wpi_eeprom_channel_flags(&channels[i]); 1379278366Sadrian 1380278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1381278366Sadrian c->ic_ieee = chan; 1382278366Sadrian c->ic_maxregpower = channels[i].maxpwr; 1383278366Sadrian c->ic_maxpower = 2*c->ic_maxregpower; 1384278366Sadrian 1385278366Sadrian if (n == 0) { /* 2GHz band */ 1386280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1387280066Sadrian IEEE80211_CHAN_G); 1388280066Sadrian 1389278366Sadrian /* G =>'s B is supported */ 1390278366Sadrian c->ic_flags = IEEE80211_CHAN_B | nflags; 1391278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1392278366Sadrian c[0] = c[-1]; 1393278366Sadrian c->ic_flags = IEEE80211_CHAN_G | nflags; 1394278366Sadrian } else { /* 5GHz band */ 1395280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1396280066Sadrian IEEE80211_CHAN_A); 1397280066Sadrian 1398278366Sadrian c->ic_flags = IEEE80211_CHAN_A | nflags; 1399278366Sadrian } 1400278366Sadrian 1401278366Sadrian /* Save maximum allowed TX power for this channel. */ 1402278366Sadrian sc->maxpwr[chan] = channels[i].maxpwr; 1403278366Sadrian 1404278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1405278366Sadrian "adding chan %d (%dMHz) flags=0x%x maxpwr=%d passive=%d," 1406278366Sadrian " offset %d\n", chan, c->ic_freq, 1407278366Sadrian channels[i].flags, sc->maxpwr[chan], 1408278764Sadrian IEEE80211_IS_CHAN_PASSIVE(c), ic->ic_nchans); 1409278366Sadrian } 1410278366Sadrian} 1411278366Sadrian 1412278366Sadrian/** 1413278366Sadrian * Read the eeprom to find out what channels are valid for the given 1414278366Sadrian * band and update net80211 with what we find. 1415278366Sadrian */ 1416278366Sadrianstatic int 1417278366Sadrianwpi_read_eeprom_channels(struct wpi_softc *sc, int n) 1418278366Sadrian{ 1419278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1420278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1421278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1422278366Sadrian int error; 1423278366Sadrian 1424278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1425278366Sadrian 1426278366Sadrian error = wpi_read_prom_data(sc, band->addr, &sc->eeprom_channels[n], 1427278366Sadrian band->nchan * sizeof (struct wpi_eeprom_chan)); 1428278366Sadrian if (error != 0) { 1429278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1430278366Sadrian return error; 1431278366Sadrian } 1432278366Sadrian 1433278366Sadrian wpi_read_eeprom_band(sc, n); 1434278366Sadrian 1435278366Sadrian ieee80211_sort_channels(ic->ic_channels, ic->ic_nchans); 1436278366Sadrian 1437278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1438278366Sadrian 1439173362Sbenjsc return 0; 1440173362Sbenjsc} 1441173362Sbenjsc 1442278366Sadrianstatic struct wpi_eeprom_chan * 1443278366Sadrianwpi_find_eeprom_channel(struct wpi_softc *sc, struct ieee80211_channel *c) 1444278366Sadrian{ 1445278366Sadrian int i, j; 1446278366Sadrian 1447278366Sadrian for (j = 0; j < WPI_CHAN_BANDS_COUNT; j++) 1448278366Sadrian for (i = 0; i < wpi_bands[j].nchan; i++) 1449278366Sadrian if (wpi_bands[j].chan[i] == c->ic_ieee) 1450278366Sadrian return &sc->eeprom_channels[j][i]; 1451278366Sadrian 1452278366Sadrian return NULL; 1453278366Sadrian} 1454278366Sadrian 1455278366Sadrian/* 1456278366Sadrian * Enforce flags read from EEPROM. 1457278366Sadrian */ 1458173362Sbenjscstatic int 1459278366Sadrianwpi_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *rd, 1460278366Sadrian int nchan, struct ieee80211_channel chans[]) 1461173362Sbenjsc{ 1462278366Sadrian struct ifnet *ifp = ic->ic_ifp; 1463278366Sadrian struct wpi_softc *sc = ifp->if_softc; 1464278366Sadrian int i; 1465173362Sbenjsc 1466278366Sadrian for (i = 0; i < nchan; i++) { 1467278366Sadrian struct ieee80211_channel *c = &chans[i]; 1468278366Sadrian struct wpi_eeprom_chan *channel; 1469278366Sadrian 1470278366Sadrian channel = wpi_find_eeprom_channel(sc, c); 1471278366Sadrian if (channel == NULL) { 1472278366Sadrian if_printf(ic->ic_ifp, 1473278366Sadrian "%s: invalid channel %u freq %u/0x%x\n", 1474278366Sadrian __func__, c->ic_ieee, c->ic_freq, c->ic_flags); 1475278366Sadrian return EINVAL; 1476278366Sadrian } 1477278366Sadrian c->ic_flags |= wpi_eeprom_channel_flags(channel); 1478278366Sadrian } 1479278366Sadrian 1480173362Sbenjsc return 0; 1481173362Sbenjsc} 1482173362Sbenjsc 1483173362Sbenjscstatic int 1484278366Sadrianwpi_read_eeprom_group(struct wpi_softc *sc, int n) 1485173362Sbenjsc{ 1486278366Sadrian struct wpi_power_group *group = &sc->groups[n]; 1487278366Sadrian struct wpi_eeprom_group rgroup; 1488278366Sadrian int i, error; 1489173362Sbenjsc 1490278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1491173362Sbenjsc 1492278366Sadrian if ((error = wpi_read_prom_data(sc, WPI_EEPROM_POWER_GRP + n * 32, 1493278366Sadrian &rgroup, sizeof rgroup)) != 0) { 1494278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1495278366Sadrian return error; 1496278366Sadrian } 1497278366Sadrian 1498278366Sadrian /* Save TX power group information. */ 1499278366Sadrian group->chan = rgroup.chan; 1500278366Sadrian group->maxpwr = rgroup.maxpwr; 1501278366Sadrian /* Retrieve temperature at which the samples were taken. */ 1502278366Sadrian group->temp = (int16_t)le16toh(rgroup.temp); 1503278366Sadrian 1504278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1505278366Sadrian "power group %d: chan=%d maxpwr=%d temp=%d\n", n, group->chan, 1506278366Sadrian group->maxpwr, group->temp); 1507278366Sadrian 1508278366Sadrian for (i = 0; i < WPI_SAMPLES_COUNT; i++) { 1509278366Sadrian group->samples[i].index = rgroup.samples[i].index; 1510278366Sadrian group->samples[i].power = rgroup.samples[i].power; 1511278366Sadrian 1512278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1513278366Sadrian "\tsample %d: index=%d power=%d\n", i, 1514278366Sadrian group->samples[i].index, group->samples[i].power); 1515278366Sadrian } 1516278366Sadrian 1517278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1518278366Sadrian 1519173362Sbenjsc return 0; 1520173362Sbenjsc} 1521173362Sbenjsc 1522280069Sadrianstatic int 1523280069Sadrianwpi_add_node_entry_adhoc(struct wpi_softc *sc) 1524280069Sadrian{ 1525280069Sadrian int newid = WPI_ID_IBSS_MIN; 1526280069Sadrian 1527280069Sadrian for (; newid <= WPI_ID_IBSS_MAX; newid++) { 1528280069Sadrian if ((sc->nodesmsk & (1 << newid)) == 0) { 1529280069Sadrian sc->nodesmsk |= 1 << newid; 1530280069Sadrian return newid; 1531280069Sadrian } 1532280069Sadrian } 1533280069Sadrian 1534280069Sadrian return WPI_ID_UNDEFINED; 1535280069Sadrian} 1536280069Sadrian 1537280069Sadrianstatic __inline int 1538280070Sadrianwpi_add_node_entry_sta(struct wpi_softc *sc) 1539280070Sadrian{ 1540280070Sadrian sc->nodesmsk |= 1 << WPI_ID_BSS; 1541280070Sadrian 1542280070Sadrian return WPI_ID_BSS; 1543280070Sadrian} 1544280070Sadrian 1545280070Sadrianstatic __inline int 1546280069Sadrianwpi_check_node_entry(struct wpi_softc *sc, uint8_t id) 1547280069Sadrian{ 1548280069Sadrian if (id == WPI_ID_UNDEFINED) 1549280069Sadrian return 0; 1550280069Sadrian 1551280069Sadrian return (sc->nodesmsk >> id) & 1; 1552280069Sadrian} 1553280069Sadrian 1554280069Sadrianstatic __inline void 1555280069Sadrianwpi_clear_node_table(struct wpi_softc *sc) 1556280069Sadrian{ 1557280069Sadrian sc->nodesmsk = 0; 1558280069Sadrian} 1559280069Sadrian 1560280069Sadrianstatic __inline void 1561280069Sadrianwpi_del_node_entry(struct wpi_softc *sc, uint8_t id) 1562280069Sadrian{ 1563280069Sadrian sc->nodesmsk &= ~(1 << id); 1564280069Sadrian} 1565280069Sadrian 1566278366Sadrianstatic struct ieee80211_node * 1567278366Sadrianwpi_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 1568278366Sadrian{ 1569278366Sadrian struct wpi_node *wn; 1570278366Sadrian 1571278366Sadrian wn = malloc(sizeof (struct wpi_node), M_80211_NODE, 1572278366Sadrian M_NOWAIT | M_ZERO); 1573278366Sadrian 1574278366Sadrian if (wn == NULL) 1575278366Sadrian return NULL; 1576278366Sadrian 1577278366Sadrian wn->id = WPI_ID_UNDEFINED; 1578278366Sadrian 1579278366Sadrian return &wn->ni; 1580278366Sadrian} 1581278366Sadrian 1582278366Sadrianstatic void 1583278366Sadrianwpi_node_free(struct ieee80211_node *ni) 1584278366Sadrian{ 1585278366Sadrian struct ieee80211com *ic = ni->ni_ic; 1586278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 1587280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 1588278366Sadrian 1589280070Sadrian if (wn->id != WPI_ID_UNDEFINED) { 1590280077Sadrian WPI_NT_LOCK(sc); 1591280069Sadrian if (wpi_check_node_entry(sc, wn->id)) { 1592280069Sadrian wpi_del_node_entry(sc, wn->id); 1593278366Sadrian wpi_del_node(sc, ni); 1594280069Sadrian } 1595280077Sadrian WPI_NT_UNLOCK(sc); 1596278366Sadrian } 1597278366Sadrian 1598278366Sadrian sc->sc_node_free(ni); 1599278366Sadrian} 1600278366Sadrian 1601173362Sbenjsc/** 1602173362Sbenjsc * Called by net80211 when ever there is a change to 80211 state machine 1603173362Sbenjsc */ 1604173362Sbenjscstatic int 1605178354Ssamwpi_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1606173362Sbenjsc{ 1607178354Ssam struct wpi_vap *wvp = WPI_VAP(vap); 1608178354Ssam struct ieee80211com *ic = vap->iv_ic; 1609173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 1610173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 1611278366Sadrian int error = 0; 1612173362Sbenjsc 1613278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1614278366Sadrian 1615278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "%s: %s -> %s\n", __func__, 1616178354Ssam ieee80211_state_name[vap->iv_state], 1617278366Sadrian ieee80211_state_name[nstate]); 1618173362Sbenjsc 1619191746Sthompsa IEEE80211_UNLOCK(ic); 1620191746Sthompsa WPI_LOCK(sc); 1621278366Sadrian switch (nstate) { 1622278366Sadrian case IEEE80211_S_SCAN: 1623278366Sadrian if ((vap->iv_opmode == IEEE80211_M_IBSS || 1624278366Sadrian vap->iv_opmode == IEEE80211_M_AHDEMO) && 1625278366Sadrian (sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 1626278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 1627278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 1628278366Sadrian device_printf(sc->sc_dev, 1629278366Sadrian "%s: could not send RXON\n", __func__); 1630278366Sadrian } 1631216238Sbschmidt } 1632278366Sadrian break; 1633278366Sadrian 1634278366Sadrian case IEEE80211_S_ASSOC: 1635278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1636278366Sadrian break; 1637278366Sadrian /* FALLTHROUGH */ 1638278366Sadrian case IEEE80211_S_AUTH: 1639216238Sbschmidt /* 1640216238Sbschmidt * The node must be registered in the firmware before auth. 1641216238Sbschmidt * Also the associd must be cleared on RUN -> ASSOC 1642216238Sbschmidt * transitions. 1643216238Sbschmidt */ 1644278366Sadrian if ((error = wpi_auth(sc, vap)) != 0) { 1645191746Sthompsa device_printf(sc->sc_dev, 1646278366Sadrian "%s: could not move to AUTH state, error %d\n", 1647191746Sthompsa __func__, error); 1648191746Sthompsa } 1649278366Sadrian break; 1650278366Sadrian 1651278366Sadrian case IEEE80211_S_RUN: 1652278366Sadrian /* 1653278366Sadrian * RUN -> RUN transition; Just restart the timers. 1654278366Sadrian */ 1655278366Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 1656278366Sadrian wpi_calib_timeout(sc); 1657278366Sadrian break; 1658278366Sadrian } 1659278366Sadrian 1660278366Sadrian /* 1661278366Sadrian * !RUN -> RUN requires setting the association id 1662278366Sadrian * which is done with a firmware cmd. We also defer 1663278366Sadrian * starting the timers until that work is done. 1664278366Sadrian */ 1665278366Sadrian if ((error = wpi_run(sc, vap)) != 0) { 1666191746Sthompsa device_printf(sc->sc_dev, 1667278366Sadrian "%s: could not move to RUN state\n", __func__); 1668191746Sthompsa } 1669278366Sadrian break; 1670278366Sadrian 1671278366Sadrian default: 1672278366Sadrian break; 1673178354Ssam } 1674191746Sthompsa WPI_UNLOCK(sc); 1675191746Sthompsa IEEE80211_LOCK(ic); 1676278366Sadrian if (error != 0) { 1677278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1678278366Sadrian return error; 1679278366Sadrian } 1680173362Sbenjsc 1681278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1682173362Sbenjsc 1683278366Sadrian return wvp->newstate(vap, nstate, arg); 1684173362Sbenjsc} 1685173362Sbenjsc 1686173362Sbenjscstatic void 1687278366Sadrianwpi_calib_timeout(void *arg) 1688173362Sbenjsc{ 1689278366Sadrian struct wpi_softc *sc = arg; 1690278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1691278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1692278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1693173362Sbenjsc 1694278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1695278366Sadrian return; 1696173362Sbenjsc 1697278366Sadrian wpi_power_calibration(sc); 1698173362Sbenjsc 1699278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 1700173362Sbenjsc} 1701173362Sbenjsc 1702278366Sadrianstatic __inline uint8_t 1703278366Sadrianrate2plcp(const uint8_t rate) 1704173362Sbenjsc{ 1705278366Sadrian switch (rate) { 1706278366Sadrian case 12: return 0xd; 1707278366Sadrian case 18: return 0xf; 1708278366Sadrian case 24: return 0x5; 1709278366Sadrian case 36: return 0x7; 1710278366Sadrian case 48: return 0x9; 1711278366Sadrian case 72: return 0xb; 1712278366Sadrian case 96: return 0x1; 1713278366Sadrian case 108: return 0x3; 1714278366Sadrian case 2: return 10; 1715278366Sadrian case 4: return 20; 1716278366Sadrian case 11: return 55; 1717278366Sadrian case 22: return 110; 1718278366Sadrian default: return 0; 1719173362Sbenjsc } 1720173362Sbenjsc} 1721173362Sbenjsc 1722278366Sadrianstatic __inline uint8_t 1723278366Sadrianplcp2rate(const uint8_t plcp) 1724173362Sbenjsc{ 1725278366Sadrian switch (plcp) { 1726278366Sadrian case 0xd: return 12; 1727278366Sadrian case 0xf: return 18; 1728278366Sadrian case 0x5: return 24; 1729278366Sadrian case 0x7: return 36; 1730278366Sadrian case 0x9: return 48; 1731278366Sadrian case 0xb: return 72; 1732278366Sadrian case 0x1: return 96; 1733278366Sadrian case 0x3: return 108; 1734278366Sadrian case 10: return 2; 1735278366Sadrian case 20: return 4; 1736278366Sadrian case 55: return 11; 1737278366Sadrian case 110: return 22; 1738278366Sadrian default: return 0; 1739173362Sbenjsc } 1740278366Sadrian} 1741173362Sbenjsc 1742278366Sadrian/* Quickly determine if a given rate is CCK or OFDM. */ 1743278366Sadrian#define WPI_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22) 1744173362Sbenjsc 1745173362Sbenjscstatic void 1746278366Sadrianwpi_rx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1747278366Sadrian struct wpi_rx_data *data) 1748173362Sbenjsc{ 1749178354Ssam struct ifnet *ifp = sc->sc_ifp; 1750278366Sadrian const struct ieee80211_cipher *cip = NULL; 1751178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1752173362Sbenjsc struct wpi_rx_ring *ring = &sc->rxq; 1753173362Sbenjsc struct wpi_rx_stat *stat; 1754173362Sbenjsc struct wpi_rx_head *head; 1755173362Sbenjsc struct wpi_rx_tail *tail; 1756278366Sadrian struct ieee80211_frame *wh; 1757173362Sbenjsc struct ieee80211_node *ni; 1758278366Sadrian struct mbuf *m, *m1; 1759177043Sthompsa bus_addr_t paddr; 1760278366Sadrian uint32_t flags; 1761278366Sadrian uint16_t len; 1762177043Sthompsa int error; 1763173362Sbenjsc 1764173362Sbenjsc stat = (struct wpi_rx_stat *)(desc + 1); 1765173362Sbenjsc 1766173362Sbenjsc if (stat->len > WPI_STAT_MAXLEN) { 1767278366Sadrian device_printf(sc->sc_dev, "invalid RX statistic header\n"); 1768278764Sadrian goto fail1; 1769173362Sbenjsc } 1770173362Sbenjsc 1771216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTREAD); 1772173362Sbenjsc head = (struct wpi_rx_head *)((caddr_t)(stat + 1) + stat->len); 1773278366Sadrian len = le16toh(head->len); 1774278366Sadrian tail = (struct wpi_rx_tail *)((caddr_t)(head + 1) + len); 1775278366Sadrian flags = le32toh(tail->flags); 1776173362Sbenjsc 1777278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: idx %d len %d stat len %u rssi %d" 1778278366Sadrian " rate %x chan %d tstamp %ju\n", __func__, ring->cur, 1779278366Sadrian le32toh(desc->len), len, (int8_t)stat->rssi, 1780278366Sadrian head->plcp, head->chan, (uintmax_t)le64toh(tail->tstamp)); 1781173362Sbenjsc 1782278366Sadrian /* Discard frames with a bad FCS early. */ 1783278366Sadrian if ((flags & WPI_RX_NOERROR) != WPI_RX_NOERROR) { 1784278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: RX flags error %x\n", 1785278366Sadrian __func__, flags); 1786278764Sadrian goto fail1; 1787190458Sjmallett } 1788278366Sadrian /* Discard frames that are too short. */ 1789278366Sadrian if (len < sizeof (*wh)) { 1790278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: frame too short: %d\n", 1791278366Sadrian __func__, len); 1792278764Sadrian goto fail1; 1793190458Sjmallett } 1794190458Sjmallett 1795278366Sadrian m1 = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1796278366Sadrian if (m1 == NULL) { 1797278366Sadrian DPRINTF(sc, WPI_DEBUG_ANY, "%s: no mbuf to restock ring\n", 1798278366Sadrian __func__); 1799278764Sadrian goto fail1; 1800177043Sthompsa } 1801216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1802216824Sbschmidt 1803278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, mtod(m1, void *), 1804278366Sadrian MJUMPAGESIZE, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 1805177043Sthompsa if (error != 0 && error != EFBIG) { 1806177043Sthompsa device_printf(sc->sc_dev, 1807177043Sthompsa "%s: bus_dmamap_load failed, error %d\n", __func__, error); 1808278366Sadrian m_freem(m1); 1809278366Sadrian 1810278366Sadrian /* Try to reload the old mbuf. */ 1811278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, 1812278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1813278366Sadrian &paddr, BUS_DMA_NOWAIT); 1814278366Sadrian if (error != 0 && error != EFBIG) { 1815278366Sadrian panic("%s: could not load old RX mbuf", __func__); 1816278366Sadrian } 1817278366Sadrian /* Physical address may have changed. */ 1818278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1819278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->desc_dma.map, 1820278366Sadrian BUS_DMASYNC_PREWRITE); 1821278764Sadrian goto fail1; 1822177043Sthompsa } 1823177043Sthompsa 1824173362Sbenjsc m = data->m; 1825278366Sadrian data->m = m1; 1826278366Sadrian /* Update RX descriptor. */ 1827278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1828278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1829278366Sadrian BUS_DMASYNC_PREWRITE); 1830278366Sadrian 1831278366Sadrian /* Finalize mbuf. */ 1832173362Sbenjsc m->m_pkthdr.rcvif = ifp; 1833173362Sbenjsc m->m_data = (caddr_t)(head + 1); 1834278366Sadrian m->m_pkthdr.len = m->m_len = len; 1835173362Sbenjsc 1836278366Sadrian /* Grab a reference to the source node. */ 1837278366Sadrian wh = mtod(m, struct ieee80211_frame *); 1838278366Sadrian ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1839173362Sbenjsc 1840278366Sadrian if (ni != NULL) 1841278366Sadrian cip = ni->ni_ucastkey.wk_cipher; 1842278366Sadrian if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) && 1843278366Sadrian !IEEE80211_IS_MULTICAST(wh->i_addr1) && 1844278366Sadrian cip != NULL && cip->ic_cipher == IEEE80211_CIPHER_AES_CCM) { 1845278764Sadrian if ((flags & WPI_RX_CIPHER_MASK) != WPI_RX_CIPHER_CCMP) 1846278764Sadrian goto fail2; 1847278764Sadrian 1848278366Sadrian /* Check whether decryption was successful or not. */ 1849278366Sadrian if ((flags & WPI_RX_DECRYPT_MASK) != WPI_RX_DECRYPT_OK) { 1850278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, 1851278366Sadrian "CCMP decryption failed 0x%x\n", flags); 1852278764Sadrian goto fail2; 1853278366Sadrian } 1854278366Sadrian m->m_flags |= M_WEP; 1855278366Sadrian } 1856278366Sadrian 1857192468Ssam if (ieee80211_radiotap_active(ic)) { 1858173362Sbenjsc struct wpi_rx_radiotap_header *tap = &sc->sc_rxtap; 1859173362Sbenjsc 1860173362Sbenjsc tap->wr_flags = 0; 1861278366Sadrian if (head->flags & htole16(WPI_STAT_FLAG_SHPREAMBLE)) 1862278366Sadrian tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 1863280064Sadrian tap->wr_dbm_antsignal = (int8_t)(stat->rssi + WPI_RSSI_OFFSET); 1864173362Sbenjsc tap->wr_dbm_antnoise = (int8_t)le16toh(stat->noise); 1865173362Sbenjsc tap->wr_tsft = tail->tstamp; 1866173362Sbenjsc tap->wr_antenna = (le16toh(head->flags) >> 4) & 0xf; 1867278366Sadrian tap->wr_rate = plcp2rate(head->plcp); 1868173362Sbenjsc } 1869173362Sbenjsc 1870173362Sbenjsc WPI_UNLOCK(sc); 1871173362Sbenjsc 1872278366Sadrian /* Send the frame to the 802.11 layer. */ 1873178354Ssam if (ni != NULL) { 1874280064Sadrian (void)ieee80211_input(ni, m, stat->rssi, WPI_RSSI_OFFSET); 1875278366Sadrian /* Node is no longer needed. */ 1876178354Ssam ieee80211_free_node(ni); 1877178354Ssam } else 1878280064Sadrian (void)ieee80211_input_all(ic, m, stat->rssi, WPI_RSSI_OFFSET); 1879173362Sbenjsc 1880173362Sbenjsc WPI_LOCK(sc); 1881278764Sadrian 1882278764Sadrian return; 1883278764Sadrian 1884278764Sadrianfail2: ieee80211_free_node(ni); 1885278764Sadrian m_freem(m); 1886278764Sadrian 1887278764Sadrianfail1: if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1888173362Sbenjsc} 1889173362Sbenjsc 1890173362Sbenjscstatic void 1891278366Sadrianwpi_rx_statistics(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1892278366Sadrian struct wpi_rx_data *data) 1893173362Sbenjsc{ 1894278366Sadrian /* Ignore */ 1895278366Sadrian} 1896278366Sadrian 1897278366Sadrianstatic void 1898278366Sadrianwpi_tx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1899278366Sadrian{ 1900178354Ssam struct ifnet *ifp = sc->sc_ifp; 1901173362Sbenjsc struct wpi_tx_ring *ring = &sc->txq[desc->qid & 0x3]; 1902278366Sadrian struct wpi_tx_data *data = &ring->data[desc->idx]; 1903173362Sbenjsc struct wpi_tx_stat *stat = (struct wpi_tx_stat *)(desc + 1); 1904278366Sadrian struct mbuf *m; 1905278366Sadrian struct ieee80211_node *ni; 1906278366Sadrian struct ieee80211vap *vap; 1907280078Sadrian struct ieee80211com *ic; 1908280054Sadrian int ackfailcnt = stat->ackfailcnt / 2; /* wpi_mrr_setup() */ 1909278366Sadrian int status = le32toh(stat->status); 1910173362Sbenjsc 1911278366Sadrian KASSERT(data->ni != NULL, ("no node")); 1912173362Sbenjsc 1913278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1914278366Sadrian 1915278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: " 1916278366Sadrian "qid %d idx %d retries %d btkillcnt %d rate %x duration %d " 1917278764Sadrian "status %x\n", __func__, desc->qid, desc->idx, ackfailcnt, 1918278366Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), status); 1919278366Sadrian 1920278366Sadrian /* Unmap and free mbuf. */ 1921278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTWRITE); 1922278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1923278366Sadrian m = data->m, data->m = NULL; 1924278366Sadrian ni = data->ni, data->ni = NULL; 1925278366Sadrian vap = ni->ni_vap; 1926280078Sadrian ic = vap->iv_ic; 1927278366Sadrian 1928173362Sbenjsc /* 1929173362Sbenjsc * Update rate control statistics for the node. 1930173362Sbenjsc */ 1931278366Sadrian WPI_UNLOCK(sc); 1932278366Sadrian if ((status & 0xff) != 1) { 1933271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1934278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1935278764Sadrian IEEE80211_RATECTL_TX_FAILURE, &ackfailcnt, NULL); 1936278366Sadrian } else { 1937271849Sglebius if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1938278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1939278764Sadrian IEEE80211_RATECTL_TX_SUCCESS, &ackfailcnt, NULL); 1940278366Sadrian } 1941173362Sbenjsc 1942278366Sadrian ieee80211_tx_complete(ni, m, (status & 0xff) != 1); 1943278366Sadrian WPI_LOCK(sc); 1944173362Sbenjsc 1945278366Sadrian sc->sc_tx_timer = 0; 1946278366Sadrian if (--ring->queued < WPI_TX_RING_LOMARK) { 1947278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1948278366Sadrian if (sc->qfullmsk == 0 && 1949278366Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) { 1950278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1951280078Sadrian ieee80211_runtask(ic, &sc->sc_start_task); 1952278366Sadrian } 1953278366Sadrian } 1954173362Sbenjsc 1955278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1956173362Sbenjsc} 1957173362Sbenjsc 1958278366Sadrian/* 1959278366Sadrian * Process a "command done" firmware notification. This is where we wakeup 1960278366Sadrian * processes waiting for a synchronous command completion. 1961278366Sadrian */ 1962173362Sbenjscstatic void 1963278366Sadrianwpi_cmd_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1964173362Sbenjsc{ 1965280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 1966173362Sbenjsc struct wpi_tx_data *data; 1967173362Sbenjsc 1968278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "cmd notification qid=%x idx=%d flags=%x " 1969278366Sadrian "type=%s len=%d\n", desc->qid, desc->idx, 1970278366Sadrian desc->flags, wpi_cmd_str(desc->type), 1971278366Sadrian le32toh(desc->len)); 1972173362Sbenjsc 1973280064Sadrian if ((desc->qid & WPI_RX_DESC_QID_MSK) != WPI_CMD_QUEUE_NUM) 1974278366Sadrian return; /* Not a command ack. */ 1975173362Sbenjsc 1976280075Sadrian KASSERT(ring->queued == 0, ("ring->queued must be 0")); 1977280075Sadrian 1978173362Sbenjsc data = &ring->data[desc->idx]; 1979173362Sbenjsc 1980278366Sadrian /* If the command was mapped in an mbuf, free it. */ 1981173362Sbenjsc if (data->m != NULL) { 1982278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1983278366Sadrian BUS_DMASYNC_POSTWRITE); 1984173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1985173362Sbenjsc m_freem(data->m); 1986173362Sbenjsc data->m = NULL; 1987173362Sbenjsc } 1988173362Sbenjsc 1989173362Sbenjsc wakeup(&ring->cmd[desc->idx]); 1990173362Sbenjsc} 1991173362Sbenjsc 1992173362Sbenjscstatic void 1993173362Sbenjscwpi_notif_intr(struct wpi_softc *sc) 1994173362Sbenjsc{ 1995178354Ssam struct ifnet *ifp = sc->sc_ifp; 1996178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1997278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1998278366Sadrian int hw; 1999173362Sbenjsc 2000216523Sbschmidt bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 2001216523Sbschmidt BUS_DMASYNC_POSTREAD); 2002216523Sbschmidt 2003173362Sbenjsc hw = le32toh(sc->shared->next); 2004278366Sadrian hw = (hw == 0) ? WPI_RX_RING_COUNT - 1 : hw - 1; 2005216523Sbschmidt 2006278764Sadrian while (sc->rxq.cur != hw) { 2007278366Sadrian sc->rxq.cur = (sc->rxq.cur + 1) % WPI_RX_RING_COUNT; 2008278366Sadrian 2009278366Sadrian struct wpi_rx_data *data = &sc->rxq.data[sc->rxq.cur]; 2010278366Sadrian struct wpi_rx_desc *desc; 2011278366Sadrian 2012216523Sbschmidt bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2013216523Sbschmidt BUS_DMASYNC_POSTREAD); 2014278366Sadrian desc = mtod(data->m, struct wpi_rx_desc *); 2015173362Sbenjsc 2016278366Sadrian DPRINTF(sc, WPI_DEBUG_NOTIFY, 2017278366Sadrian "%s: cur=%d; qid %x idx %d flags %x type %d(%s) len %d\n", 2018278366Sadrian __func__, sc->rxq.cur, desc->qid, desc->idx, desc->flags, 2019278366Sadrian desc->type, wpi_cmd_str(desc->type), le32toh(desc->len)); 2020173362Sbenjsc 2021280064Sadrian if (!(desc->qid & WPI_UNSOLICITED_RX_NOTIF)) { 2022280064Sadrian /* Reply to a command. */ 2023278366Sadrian wpi_cmd_done(sc, desc); 2024280064Sadrian } 2025173362Sbenjsc 2026173362Sbenjsc switch (desc->type) { 2027173362Sbenjsc case WPI_RX_DONE: 2028278366Sadrian /* An 802.11 frame has been received. */ 2029278366Sadrian wpi_rx_done(sc, desc, data); 2030280055Sadrian 2031280055Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2032280055Sadrian /* wpi_stop() was called. */ 2033280055Sadrian return; 2034280055Sadrian } 2035280055Sadrian 2036173362Sbenjsc break; 2037173362Sbenjsc 2038173362Sbenjsc case WPI_TX_DONE: 2039278366Sadrian /* An 802.11 frame has been transmitted. */ 2040278366Sadrian wpi_tx_done(sc, desc); 2041173362Sbenjsc break; 2042173362Sbenjsc 2043278366Sadrian case WPI_RX_STATISTICS: 2044278366Sadrian case WPI_BEACON_STATISTICS: 2045278366Sadrian wpi_rx_statistics(sc, desc, data); 2046278366Sadrian break; 2047278366Sadrian 2048278366Sadrian case WPI_BEACON_MISSED: 2049278366Sadrian { 2050278366Sadrian struct wpi_beacon_missed *miss = 2051278366Sadrian (struct wpi_beacon_missed *)(desc + 1); 2052278366Sadrian int misses; 2053278366Sadrian 2054278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2055278366Sadrian BUS_DMASYNC_POSTREAD); 2056278366Sadrian misses = le32toh(miss->consecutive); 2057278366Sadrian 2058278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, 2059278366Sadrian "%s: beacons missed %d/%d\n", __func__, misses, 2060278366Sadrian le32toh(miss->total)); 2061278366Sadrian 2062278366Sadrian if (vap->iv_state == IEEE80211_S_RUN && 2063280051Sadrian (ic->ic_flags & IEEE80211_F_SCAN) == 0) { 2064278366Sadrian if (misses >= vap->iv_bmissthreshold) { 2065278366Sadrian WPI_UNLOCK(sc); 2066278366Sadrian ieee80211_beacon_miss(ic); 2067278366Sadrian WPI_LOCK(sc); 2068278366Sadrian } 2069278366Sadrian } 2070278366Sadrian break; 2071278366Sadrian } 2072173362Sbenjsc case WPI_UC_READY: 2073173362Sbenjsc { 2074173362Sbenjsc struct wpi_ucode_info *uc = 2075278366Sadrian (struct wpi_ucode_info *)(desc + 1); 2076173362Sbenjsc 2077278366Sadrian /* The microcontroller is ready. */ 2078278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2079278366Sadrian BUS_DMASYNC_POSTREAD); 2080278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, 2081278366Sadrian "microcode alive notification version=%d.%d " 2082278366Sadrian "subtype=%x alive=%x\n", uc->major, uc->minor, 2083278366Sadrian uc->subtype, le32toh(uc->valid)); 2084173362Sbenjsc 2085173362Sbenjsc if (le32toh(uc->valid) != 1) { 2086173362Sbenjsc device_printf(sc->sc_dev, 2087173362Sbenjsc "microcontroller initialization failed\n"); 2088173362Sbenjsc wpi_stop_locked(sc); 2089173362Sbenjsc } 2090278366Sadrian /* Save the address of the error log in SRAM. */ 2091278366Sadrian sc->errptr = le32toh(uc->errptr); 2092173362Sbenjsc break; 2093173362Sbenjsc } 2094173362Sbenjsc case WPI_STATE_CHANGED: 2095173362Sbenjsc { 2096280059Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2097280059Sadrian BUS_DMASYNC_POSTREAD); 2098278366Sadrian 2099173362Sbenjsc uint32_t *status = (uint32_t *)(desc + 1); 2100278764Sadrian 2101278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "state changed to %x\n", 2102278366Sadrian le32toh(*status)); 2103278764Sadrian 2104173362Sbenjsc if (le32toh(*status) & 1) { 2105280077Sadrian WPI_NT_LOCK(sc); 2106280069Sadrian wpi_clear_node_table(sc); 2107280077Sadrian WPI_NT_UNLOCK(sc); 2108278366Sadrian ieee80211_runtask(ic, &sc->sc_radiooff_task); 2109278366Sadrian return; 2110173362Sbenjsc } 2111173362Sbenjsc break; 2112173362Sbenjsc } 2113173362Sbenjsc case WPI_START_SCAN: 2114173362Sbenjsc { 2115278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2116278366Sadrian BUS_DMASYNC_POSTREAD); 2117179957Sthompsa#ifdef WPI_DEBUG 2118173362Sbenjsc struct wpi_start_scan *scan = 2119278366Sadrian (struct wpi_start_scan *)(desc + 1); 2120278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2121278366Sadrian "%s: scanning channel %d status %x\n", 2122278366Sadrian __func__, scan->chan, le32toh(scan->status)); 2123179957Sthompsa#endif 2124173362Sbenjsc break; 2125173362Sbenjsc } 2126173362Sbenjsc case WPI_STOP_SCAN: 2127173362Sbenjsc { 2128278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2129278366Sadrian BUS_DMASYNC_POSTREAD); 2130179957Sthompsa#ifdef WPI_DEBUG 2131173362Sbenjsc struct wpi_stop_scan *scan = 2132278366Sadrian (struct wpi_stop_scan *)(desc + 1); 2133278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2134278366Sadrian "scan finished nchan=%d status=%d chan=%d\n", 2135278366Sadrian scan->nchan, scan->status, scan->chan); 2136179957Sthompsa#endif 2137177043Sthompsa sc->sc_scan_timer = 0; 2138278366Sadrian WPI_UNLOCK(sc); 2139178354Ssam ieee80211_scan_next(vap); 2140278366Sadrian WPI_LOCK(sc); 2141173362Sbenjsc break; 2142173362Sbenjsc } 2143278366Sadrian } 2144278764Sadrian } 2145173976Sbenjsc 2146278366Sadrian /* Tell the firmware what we have processed. */ 2147278366Sadrian wpi_update_rx_ring(sc); 2148278366Sadrian} 2149278366Sadrian 2150278366Sadrian/* 2151278366Sadrian * Process an INT_WAKEUP interrupt raised when the microcontroller wakes up 2152278366Sadrian * from power-down sleep mode. 2153278366Sadrian */ 2154280059Sadrianstatic void 2155278366Sadrianwpi_wakeup_intr(struct wpi_softc *sc) 2156278366Sadrian{ 2157278366Sadrian int qid; 2158278366Sadrian 2159278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 2160278366Sadrian "%s: ucode wakeup from power-down sleep\n", __func__); 2161278366Sadrian 2162278366Sadrian /* Wakeup RX and TX rings. */ 2163278366Sadrian if (sc->rxq.update) { 2164278764Sadrian sc->rxq.update = 0; 2165278366Sadrian wpi_update_rx_ring(sc); 2166278366Sadrian } 2167280071Sadrian WPI_TXQ_LOCK(sc); 2168280058Sadrian for (qid = 0; qid < WPI_DRV_NTXQUEUES; qid++) { 2169278366Sadrian struct wpi_tx_ring *ring = &sc->txq[qid]; 2170278366Sadrian 2171278366Sadrian if (ring->update) { 2172278764Sadrian ring->update = 0; 2173278366Sadrian wpi_update_tx_ring(sc, ring); 2174173362Sbenjsc } 2175278366Sadrian } 2176280071Sadrian WPI_TXQ_UNLOCK(sc); 2177173362Sbenjsc 2178278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 2179278366Sadrian} 2180278366Sadrian 2181278366Sadrian/* 2182278366Sadrian * Dump the error log of the firmware when a firmware panic occurs. Although 2183278366Sadrian * we can't debug the firmware because it is neither open source nor free, it 2184278366Sadrian * can help us to identify certain classes of problems. 2185278366Sadrian */ 2186278366Sadrianstatic void 2187278366Sadrianwpi_fatal_intr(struct wpi_softc *sc) 2188278366Sadrian{ 2189278366Sadrian struct wpi_fw_dump dump; 2190278366Sadrian uint32_t i, offset, count; 2191278366Sadrian const uint32_t size_errmsg = 2192278366Sadrian (sizeof (wpi_fw_errmsg) / sizeof ((wpi_fw_errmsg)[0])); 2193278366Sadrian 2194278366Sadrian /* Check that the error log address is valid. */ 2195278366Sadrian if (sc->errptr < WPI_FW_DATA_BASE || 2196278366Sadrian sc->errptr + sizeof (dump) > 2197278366Sadrian WPI_FW_DATA_BASE + WPI_FW_DATA_MAXSZ) { 2198278366Sadrian printf("%s: bad firmware error log address 0x%08x\n", __func__, 2199278366Sadrian sc->errptr); 2200280059Sadrian return; 2201280059Sadrian } 2202278366Sadrian if (wpi_nic_lock(sc) != 0) { 2203278366Sadrian printf("%s: could not read firmware error log\n", __func__); 2204280059Sadrian return; 2205280059Sadrian } 2206278366Sadrian /* Read number of entries in the log. */ 2207278366Sadrian count = wpi_mem_read(sc, sc->errptr); 2208278366Sadrian if (count == 0 || count * sizeof (dump) > WPI_FW_DATA_MAXSZ) { 2209278366Sadrian printf("%s: invalid count field (count = %u)\n", __func__, 2210278366Sadrian count); 2211278366Sadrian wpi_nic_unlock(sc); 2212278366Sadrian return; 2213173362Sbenjsc } 2214278366Sadrian /* Skip "count" field. */ 2215278366Sadrian offset = sc->errptr + sizeof (uint32_t); 2216278366Sadrian printf("firmware error log (count = %u):\n", count); 2217278366Sadrian for (i = 0; i < count; i++) { 2218278366Sadrian wpi_mem_read_region_4(sc, offset, (uint32_t *)&dump, 2219278366Sadrian sizeof (dump) / sizeof (uint32_t)); 2220173362Sbenjsc 2221278366Sadrian printf(" error type = \"%s\" (0x%08X)\n", 2222278366Sadrian (dump.desc < size_errmsg) ? 2223278366Sadrian wpi_fw_errmsg[dump.desc] : "UNKNOWN", 2224278366Sadrian dump.desc); 2225278366Sadrian printf(" error data = 0x%08X\n", 2226278366Sadrian dump.data); 2227278366Sadrian printf(" branch link = 0x%08X%08X\n", 2228278366Sadrian dump.blink[0], dump.blink[1]); 2229278366Sadrian printf(" interrupt link = 0x%08X%08X\n", 2230278366Sadrian dump.ilink[0], dump.ilink[1]); 2231278366Sadrian printf(" time = %u\n", dump.time); 2232278366Sadrian 2233278366Sadrian offset += sizeof (dump); 2234278366Sadrian } 2235278366Sadrian wpi_nic_unlock(sc); 2236278366Sadrian /* Dump driver status (TX and RX rings) while we're here. */ 2237278366Sadrian printf("driver status:\n"); 2238280071Sadrian WPI_TXQ_LOCK(sc); 2239280058Sadrian for (i = 0; i < WPI_DRV_NTXQUEUES; i++) { 2240278366Sadrian struct wpi_tx_ring *ring = &sc->txq[i]; 2241278366Sadrian printf(" tx ring %2d: qid=%-2d cur=%-3d queued=%-3d\n", 2242278366Sadrian i, ring->qid, ring->cur, ring->queued); 2243278366Sadrian } 2244280071Sadrian WPI_TXQ_UNLOCK(sc); 2245278366Sadrian printf(" rx ring: cur=%d\n", sc->rxq.cur); 2246173362Sbenjsc} 2247173362Sbenjsc 2248173362Sbenjscstatic void 2249173362Sbenjscwpi_intr(void *arg) 2250173362Sbenjsc{ 2251173362Sbenjsc struct wpi_softc *sc = arg; 2252278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2253278366Sadrian uint32_t r1, r2; 2254173362Sbenjsc 2255173362Sbenjsc WPI_LOCK(sc); 2256173362Sbenjsc 2257278366Sadrian /* Disable interrupts. */ 2258278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 2259278366Sadrian 2260278366Sadrian r1 = WPI_READ(sc, WPI_INT); 2261278366Sadrian 2262280065Sadrian if (r1 == 0xffffffff || (r1 & 0xfffffff0) == 0xa5a5a5a0) 2263280065Sadrian goto end; /* Hardware gone! */ 2264173362Sbenjsc 2265278366Sadrian r2 = WPI_READ(sc, WPI_FH_INT); 2266173362Sbenjsc 2267278366Sadrian DPRINTF(sc, WPI_DEBUG_INTR, "%s: reg1=0x%08x reg2=0x%08x\n", __func__, 2268278366Sadrian r1, r2); 2269278366Sadrian 2270278366Sadrian if (r1 == 0 && r2 == 0) 2271278366Sadrian goto done; /* Interrupt not for us. */ 2272278366Sadrian 2273278366Sadrian /* Acknowledge interrupts. */ 2274278366Sadrian WPI_WRITE(sc, WPI_INT, r1); 2275278366Sadrian WPI_WRITE(sc, WPI_FH_INT, r2); 2276278366Sadrian 2277278366Sadrian if (r1 & (WPI_INT_SW_ERR | WPI_INT_HW_ERR)) { 2278191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 2279191746Sthompsa 2280173362Sbenjsc device_printf(sc->sc_dev, "fatal firmware error\n"); 2281278366Sadrian wpi_fatal_intr(sc); 2282278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 2283278366Sadrian "(%s)\n", (r1 & WPI_INT_SW_ERR) ? "(Software Error)" : 2284278366Sadrian "(Hardware Error)"); 2285278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2286280065Sadrian goto end; 2287173362Sbenjsc } 2288173362Sbenjsc 2289278366Sadrian if ((r1 & (WPI_INT_FH_RX | WPI_INT_SW_RX)) || 2290278366Sadrian (r2 & WPI_FH_INT_RX)) 2291173362Sbenjsc wpi_notif_intr(sc); 2292173362Sbenjsc 2293278366Sadrian if (r1 & WPI_INT_ALIVE) 2294278366Sadrian wakeup(sc); /* Firmware is alive. */ 2295173362Sbenjsc 2296278366Sadrian if (r1 & WPI_INT_WAKEUP) 2297278366Sadrian wpi_wakeup_intr(sc); 2298173362Sbenjsc 2299278366Sadriandone: 2300278366Sadrian /* Re-enable interrupts. */ 2301278366Sadrian if (ifp->if_flags & IFF_UP) 2302278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 2303278366Sadrian 2304280065Sadrianend: WPI_UNLOCK(sc); 2305173362Sbenjsc} 2306173362Sbenjsc 2307278366Sadrianstatic int 2308278366Sadrianwpi_cmd2(struct wpi_softc *sc, struct wpi_buf *buf) 2309173362Sbenjsc{ 2310278366Sadrian struct ieee80211_frame *wh; 2311278366Sadrian struct wpi_tx_cmd *cmd; 2312278366Sadrian struct wpi_tx_data *data; 2313278366Sadrian struct wpi_tx_desc *desc; 2314278366Sadrian struct wpi_tx_ring *ring; 2315278366Sadrian struct mbuf *m1; 2316278366Sadrian bus_dma_segment_t *seg, segs[WPI_MAX_SCATTER]; 2317279763Sadrian int error, i, hdrlen, nsegs, totlen, pad; 2318173362Sbenjsc 2319278366Sadrian WPI_LOCK_ASSERT(sc); 2320173362Sbenjsc 2321280071Sadrian WPI_TXQ_LOCK(sc); 2322280071Sadrian 2323278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2324278366Sadrian 2325280071Sadrian if (sc->txq_active == 0) { 2326280071Sadrian /* wpi_stop() was called */ 2327280071Sadrian error = ENETDOWN; 2328280071Sadrian goto fail; 2329280071Sadrian } 2330280071Sadrian 2331278366Sadrian wh = mtod(buf->m, struct ieee80211_frame *); 2332279763Sadrian hdrlen = ieee80211_anyhdrsize(wh); 2333278366Sadrian totlen = buf->m->m_pkthdr.len; 2334278366Sadrian 2335279763Sadrian if (hdrlen & 3) { 2336279763Sadrian /* First segment length must be a multiple of 4. */ 2337279763Sadrian pad = 4 - (hdrlen & 3); 2338279763Sadrian } else 2339279763Sadrian pad = 0; 2340279763Sadrian 2341278366Sadrian ring = &sc->txq[buf->ac]; 2342278366Sadrian desc = &ring->desc[ring->cur]; 2343278366Sadrian data = &ring->data[ring->cur]; 2344278366Sadrian 2345278366Sadrian /* Prepare TX firmware command. */ 2346278366Sadrian cmd = &ring->cmd[ring->cur]; 2347278366Sadrian cmd->code = buf->code; 2348278366Sadrian cmd->flags = 0; 2349278366Sadrian cmd->qid = ring->qid; 2350278366Sadrian cmd->idx = ring->cur; 2351278366Sadrian 2352278366Sadrian memcpy(cmd->data, buf->data, buf->size); 2353278366Sadrian 2354278366Sadrian /* Save and trim IEEE802.11 header. */ 2355279763Sadrian memcpy((uint8_t *)(cmd->data + buf->size), wh, hdrlen); 2356279763Sadrian m_adj(buf->m, hdrlen); 2357278366Sadrian 2358278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, buf->m, 2359278366Sadrian segs, &nsegs, BUS_DMA_NOWAIT); 2360278366Sadrian if (error != 0 && error != EFBIG) { 2361278366Sadrian device_printf(sc->sc_dev, 2362278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, error); 2363280071Sadrian goto fail; 2364173362Sbenjsc } 2365278366Sadrian if (error != 0) { 2366278366Sadrian /* Too many DMA segments, linearize mbuf. */ 2367280050Sadrian m1 = m_collapse(buf->m, M_NOWAIT, WPI_MAX_SCATTER - 1); 2368278366Sadrian if (m1 == NULL) { 2369278366Sadrian device_printf(sc->sc_dev, 2370278366Sadrian "%s: could not defrag mbuf\n", __func__); 2371280071Sadrian error = ENOBUFS; 2372280071Sadrian goto fail; 2373278366Sadrian } 2374278366Sadrian buf->m = m1; 2375278366Sadrian 2376278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, 2377278366Sadrian buf->m, segs, &nsegs, BUS_DMA_NOWAIT); 2378278366Sadrian if (error != 0) { 2379278366Sadrian device_printf(sc->sc_dev, 2380280066Sadrian "%s: can't map mbuf (error %d)\n", __func__, 2381280066Sadrian error); 2382280071Sadrian goto fail; 2383278366Sadrian } 2384278366Sadrian } 2385278366Sadrian 2386280050Sadrian KASSERT(nsegs < WPI_MAX_SCATTER, 2387280050Sadrian ("too many DMA segments, nsegs (%d) should be less than %d", 2388280050Sadrian nsegs, WPI_MAX_SCATTER)); 2389280050Sadrian 2390278366Sadrian data->m = buf->m; 2391278366Sadrian data->ni = buf->ni; 2392278366Sadrian 2393278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: qid %d idx %d len %d nsegs %d\n", 2394278366Sadrian __func__, ring->qid, ring->cur, totlen, nsegs); 2395278366Sadrian 2396278366Sadrian /* Fill TX descriptor. */ 2397279763Sadrian desc->nsegs = WPI_PAD32(totlen + pad) << 4 | (1 + nsegs); 2398278366Sadrian /* First DMA segment is used by the TX command. */ 2399278366Sadrian desc->segs[0].addr = htole32(data->cmd_paddr); 2400279763Sadrian desc->segs[0].len = htole32(4 + buf->size + hdrlen + pad); 2401278366Sadrian /* Other DMA segments are for data payload. */ 2402278366Sadrian seg = &segs[0]; 2403278366Sadrian for (i = 1; i <= nsegs; i++) { 2404278366Sadrian desc->segs[i].addr = htole32(seg->ds_addr); 2405278366Sadrian desc->segs[i].len = htole32(seg->ds_len); 2406278366Sadrian seg++; 2407278366Sadrian } 2408278366Sadrian 2409278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); 2410278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2411278366Sadrian BUS_DMASYNC_PREWRITE); 2412278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2413278366Sadrian BUS_DMASYNC_PREWRITE); 2414278366Sadrian 2415278366Sadrian /* Kick TX ring. */ 2416278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2417278366Sadrian wpi_update_tx_ring(sc, ring); 2418278366Sadrian 2419280075Sadrian if (ring->qid < WPI_CMD_QUEUE_NUM) { 2420280075Sadrian /* Mark TX ring as full if we reach a certain threshold. */ 2421280075Sadrian if (++ring->queued > WPI_TX_RING_HIMARK) 2422280075Sadrian sc->qfullmsk |= 1 << ring->qid; 2423278366Sadrian 2424280074Sadrian sc->sc_tx_timer = 5; 2425280075Sadrian } 2426280074Sadrian 2427278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2428278366Sadrian 2429280071Sadrian WPI_TXQ_UNLOCK(sc); 2430280071Sadrian 2431278366Sadrian return 0; 2432280071Sadrian 2433280071Sadrianfail: m_freem(buf->m); 2434280071Sadrian 2435280071Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2436280071Sadrian 2437280071Sadrian WPI_TXQ_UNLOCK(sc); 2438280071Sadrian 2439280071Sadrian return error; 2440173362Sbenjsc} 2441173362Sbenjsc 2442173362Sbenjsc/* 2443278366Sadrian * Construct the data packet for a transmit buffer. 2444173362Sbenjsc */ 2445173362Sbenjscstatic int 2446278366Sadrianwpi_tx_data(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2447173362Sbenjsc{ 2448278366Sadrian const struct ieee80211_txparam *tp; 2449178354Ssam struct ieee80211vap *vap = ni->ni_vap; 2450278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2451280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 2452278366Sadrian struct ieee80211_channel *chan; 2453173362Sbenjsc struct ieee80211_frame *wh; 2454278366Sadrian struct ieee80211_key *k = NULL; 2455278366Sadrian struct wpi_cmd_data tx; 2456278366Sadrian struct wpi_buf tx_data; 2457278366Sadrian uint32_t flags; 2458278366Sadrian uint16_t qos; 2459278366Sadrian uint8_t tid, type; 2460280068Sadrian int ac, error, swcrypt, rate, ismcast, totlen; 2461173362Sbenjsc 2462278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2463278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2464278366Sadrian ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 2465173362Sbenjsc 2466278366Sadrian /* Select EDCA Access Category and TX ring for this frame. */ 2467278366Sadrian if (IEEE80211_QOS_HAS_SEQ(wh)) { 2468278366Sadrian qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 2469278366Sadrian tid = qos & IEEE80211_QOS_TID; 2470278366Sadrian } else { 2471278366Sadrian qos = 0; 2472278366Sadrian tid = 0; 2473280059Sadrian } 2474278366Sadrian ac = M_WME_GETAC(m); 2475173362Sbenjsc 2476278366Sadrian chan = (ni->ni_chan != IEEE80211_CHAN_ANYC) ? 2477278366Sadrian ni->ni_chan : ic->ic_curchan; 2478278366Sadrian tp = &vap->iv_txparms[ieee80211_chan2mode(chan)]; 2479173362Sbenjsc 2480278366Sadrian /* Choose a TX rate index. */ 2481278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) 2482278366Sadrian rate = tp->mgmtrate; 2483278366Sadrian else if (ismcast) 2484278366Sadrian rate = tp->mcastrate; 2485278366Sadrian else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2486278366Sadrian rate = tp->ucastrate; 2487278366Sadrian else if (m->m_flags & M_EAPOL) 2488278366Sadrian rate = tp->mgmtrate; 2489278366Sadrian else { 2490278366Sadrian /* XXX pass pktlen */ 2491278366Sadrian (void) ieee80211_ratectl_rate(ni, NULL, 0); 2492278366Sadrian rate = ni->ni_txrate; 2493278366Sadrian } 2494278366Sadrian 2495278366Sadrian /* Encrypt the frame if need be. */ 2496260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2497278366Sadrian /* Retrieve key for TX. */ 2498278366Sadrian k = ieee80211_crypto_encap(ni, m); 2499177043Sthompsa if (k == NULL) { 2500278366Sadrian error = ENOBUFS; 2501278366Sadrian goto fail; 2502173362Sbenjsc } 2503280068Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2504280068Sadrian 2505278366Sadrian /* 802.11 header may have moved. */ 2506278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2507173362Sbenjsc } 2508279763Sadrian totlen = m->m_pkthdr.len; 2509173362Sbenjsc 2510278366Sadrian if (ieee80211_radiotap_active_vap(vap)) { 2511278366Sadrian struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2512173362Sbenjsc 2513279763Sadrian tap->wt_flags = 0; 2514278366Sadrian tap->wt_rate = rate; 2515278366Sadrian if (k != NULL) 2516278366Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2517173362Sbenjsc 2518278366Sadrian ieee80211_radiotap_tx(vap, m); 2519278366Sadrian } 2520278366Sadrian 2521278366Sadrian flags = 0; 2522177119Ssam if (!ismcast) { 2523278366Sadrian /* Unicast frame, check if an ACK is expected. */ 2524278366Sadrian if (!qos || (qos & IEEE80211_QOS_ACKPOLICY) != 2525278366Sadrian IEEE80211_QOS_ACKPOLICY_NOACK) 2526278366Sadrian flags |= WPI_TX_NEED_ACK; 2527278366Sadrian } 2528278366Sadrian 2529278764Sadrian if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) 2530278764Sadrian flags |= WPI_TX_MORE_FRAG; /* Cannot happen yet. */ 2531278764Sadrian 2532278366Sadrian /* Check if frame must be protected using RTS/CTS or CTS-to-self. */ 2533278366Sadrian if (!ismcast) { 2534278366Sadrian /* NB: Group frames are sent using CCK in 802.11b/g. */ 2535278366Sadrian if (totlen + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) { 2536278366Sadrian flags |= WPI_TX_NEED_RTS; 2537278366Sadrian } else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2538278366Sadrian WPI_RATE_IS_OFDM(rate)) { 2539278366Sadrian if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2540278366Sadrian flags |= WPI_TX_NEED_CTS; 2541278366Sadrian else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2542278366Sadrian flags |= WPI_TX_NEED_RTS; 2543177043Sthompsa } 2544278366Sadrian 2545278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2546278366Sadrian flags |= WPI_TX_FULL_TXOP; 2547173362Sbenjsc } 2548278366Sadrian 2549278366Sadrian memset(&tx, 0, sizeof (struct wpi_cmd_data)); 2550278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2551173362Sbenjsc uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2552278366Sadrian 2553278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2554173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2555278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2556173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2557177043Sthompsa subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2558278366Sadrian tx.timeout = htole16(3); 2559173362Sbenjsc else 2560278366Sadrian tx.timeout = htole16(2); 2561177043Sthompsa } 2562173362Sbenjsc 2563278366Sadrian if (ismcast || type != IEEE80211_FC0_TYPE_DATA) 2564278366Sadrian tx.id = WPI_ID_BROADCAST; 2565278366Sadrian else { 2566278366Sadrian if (wn->id == WPI_ID_UNDEFINED && 2567278366Sadrian (vap->iv_opmode == IEEE80211_M_IBSS || 2568278366Sadrian vap->iv_opmode == IEEE80211_M_AHDEMO)) { 2569280077Sadrian WPI_NT_LOCK(sc); 2570278366Sadrian error = wpi_add_ibss_node(sc, ni); 2571280077Sadrian WPI_NT_UNLOCK(sc); 2572278366Sadrian if (error != 0) { 2573278366Sadrian device_printf(sc->sc_dev, 2574278366Sadrian "%s: could not add IBSS node, error %d\n", 2575278366Sadrian __func__, error); 2576278366Sadrian goto fail; 2577278366Sadrian } 2578278366Sadrian } 2579173362Sbenjsc 2580278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 2581278366Sadrian device_printf(sc->sc_dev, 2582278366Sadrian "%s: undefined node id\n", __func__); 2583278366Sadrian error = EINVAL; 2584278366Sadrian goto fail; 2585278366Sadrian } 2586278366Sadrian 2587278366Sadrian tx.id = wn->id; 2588278366Sadrian } 2589278366Sadrian 2590278366Sadrian if (type != IEEE80211_FC0_TYPE_MGT) 2591278366Sadrian tx.data_ntries = tp->maxretry; 2592278366Sadrian 2593280068Sadrian if (k != NULL && !swcrypt) { 2594280068Sadrian switch (k->wk_cipher->ic_cipher) { 2595280068Sadrian case IEEE80211_CIPHER_AES_CCM: 2596280068Sadrian tx.security = WPI_CIPHER_CCMP; 2597280068Sadrian break; 2598280068Sadrian 2599280068Sadrian default: 2600280068Sadrian break; 2601280068Sadrian } 2602280068Sadrian 2603280068Sadrian memcpy(tx.key, k->wk_key, k->wk_keylen); 2604280068Sadrian } 2605280068Sadrian 2606278366Sadrian tx.len = htole16(totlen); 2607278366Sadrian tx.flags = htole32(flags); 2608278366Sadrian tx.plcp = rate2plcp(rate); 2609278366Sadrian tx.tid = tid; 2610278366Sadrian tx.lifetime = htole32(WPI_LIFETIME_INFINITE); 2611278366Sadrian tx.ofdm_mask = 0xff; 2612278366Sadrian tx.cck_mask = 0x0f; 2613278366Sadrian tx.rts_ntries = 7; 2614278366Sadrian 2615278366Sadrian tx_data.data = &tx; 2616278366Sadrian tx_data.ni = ni; 2617278366Sadrian tx_data.m = m; 2618278366Sadrian tx_data.size = sizeof(tx); 2619278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2620278366Sadrian tx_data.ac = ac; 2621278366Sadrian 2622278366Sadrian return wpi_cmd2(sc, &tx_data); 2623278366Sadrian 2624278366Sadrianfail: m_freem(m); 2625278366Sadrian return error; 2626278366Sadrian} 2627278366Sadrian 2628278366Sadrianstatic int 2629280066Sadrianwpi_tx_data_raw(struct wpi_softc *sc, struct mbuf *m, 2630280066Sadrian struct ieee80211_node *ni, const struct ieee80211_bpf_params *params) 2631278366Sadrian{ 2632278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 2633278366Sadrian struct ieee80211_frame *wh; 2634278366Sadrian struct wpi_cmd_data tx; 2635278366Sadrian struct wpi_buf tx_data; 2636278366Sadrian uint32_t flags; 2637278366Sadrian uint8_t type; 2638279763Sadrian int ac, rate, totlen; 2639278366Sadrian 2640278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2641278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2642279763Sadrian totlen = m->m_pkthdr.len; 2643278366Sadrian 2644278366Sadrian ac = params->ibp_pri & 3; 2645278366Sadrian 2646278366Sadrian /* Choose a TX rate index. */ 2647278366Sadrian rate = params->ibp_rate0; 2648278366Sadrian 2649278366Sadrian flags = 0; 2650278366Sadrian if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2651278366Sadrian flags |= WPI_TX_NEED_ACK; 2652278366Sadrian if (params->ibp_flags & IEEE80211_BPF_RTS) 2653278366Sadrian flags |= WPI_TX_NEED_RTS; 2654278366Sadrian if (params->ibp_flags & IEEE80211_BPF_CTS) 2655278366Sadrian flags |= WPI_TX_NEED_CTS; 2656278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2657278366Sadrian flags |= WPI_TX_FULL_TXOP; 2658278366Sadrian 2659192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2660177043Sthompsa struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2661278366Sadrian 2662177043Sthompsa tap->wt_flags = 0; 2663177043Sthompsa tap->wt_rate = rate; 2664178354Ssam 2665278366Sadrian ieee80211_radiotap_tx(vap, m); 2666177043Sthompsa } 2667173362Sbenjsc 2668278366Sadrian memset(&tx, 0, sizeof (struct wpi_cmd_data)); 2669278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2670278366Sadrian uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2671173362Sbenjsc 2672278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2673278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2674278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2675278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2676278366Sadrian subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2677278366Sadrian tx.timeout = htole16(3); 2678278366Sadrian else 2679278366Sadrian tx.timeout = htole16(2); 2680173362Sbenjsc } 2681173362Sbenjsc 2682278366Sadrian tx.len = htole16(totlen); 2683278366Sadrian tx.flags = htole32(flags); 2684278366Sadrian tx.plcp = rate2plcp(rate); 2685278366Sadrian tx.id = WPI_ID_BROADCAST; 2686278366Sadrian tx.lifetime = htole32(WPI_LIFETIME_INFINITE); 2687278366Sadrian tx.rts_ntries = params->ibp_try1; 2688278366Sadrian tx.data_ntries = params->ibp_try0; 2689278366Sadrian 2690278366Sadrian tx_data.data = &tx; 2691278366Sadrian tx_data.ni = ni; 2692278366Sadrian tx_data.m = m; 2693278366Sadrian tx_data.size = sizeof(tx); 2694278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2695278366Sadrian tx_data.ac = ac; 2696278366Sadrian 2697278366Sadrian return wpi_cmd2(sc, &tx_data); 2698278366Sadrian} 2699278366Sadrian 2700278366Sadrianstatic int 2701278366Sadrianwpi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2702278366Sadrian const struct ieee80211_bpf_params *params) 2703278366Sadrian{ 2704278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2705278366Sadrian struct ifnet *ifp = ic->ic_ifp; 2706278366Sadrian struct wpi_softc *sc = ifp->if_softc; 2707278366Sadrian int error = 0; 2708278366Sadrian 2709278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2710278366Sadrian 2711278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2712278366Sadrian ieee80211_free_node(ni); 2713278366Sadrian m_freem(m); 2714278366Sadrian return ENETDOWN; 2715173362Sbenjsc } 2716173362Sbenjsc 2717278366Sadrian WPI_LOCK(sc); 2718278366Sadrian if (params == NULL) { 2719278366Sadrian /* 2720278366Sadrian * Legacy path; interpret frame contents to decide 2721278366Sadrian * precisely how to send the frame. 2722278366Sadrian */ 2723278366Sadrian error = wpi_tx_data(sc, m, ni); 2724278366Sadrian } else { 2725278366Sadrian /* 2726278366Sadrian * Caller supplied explicit parameters to use in 2727278366Sadrian * sending the frame. 2728278366Sadrian */ 2729278366Sadrian error = wpi_tx_data_raw(sc, m, ni, params); 2730278366Sadrian } 2731278366Sadrian WPI_UNLOCK(sc); 2732173362Sbenjsc 2733278366Sadrian if (error != 0) { 2734278366Sadrian /* NB: m is reclaimed on tx failure */ 2735278366Sadrian ieee80211_free_node(ni); 2736278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2737173362Sbenjsc 2738278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2739278366Sadrian 2740278366Sadrian return error; 2741173362Sbenjsc } 2742173362Sbenjsc 2743278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2744173362Sbenjsc 2745173362Sbenjsc return 0; 2746173362Sbenjsc} 2747173362Sbenjsc 2748173362Sbenjsc/** 2749173362Sbenjsc * Process data waiting to be sent on the IFNET output queue 2750173362Sbenjsc */ 2751173362Sbenjscstatic void 2752173362Sbenjscwpi_start(struct ifnet *ifp) 2753173362Sbenjsc{ 2754173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2755178354Ssam 2756178354Ssam WPI_LOCK(sc); 2757178354Ssam wpi_start_locked(ifp); 2758178354Ssam WPI_UNLOCK(sc); 2759178354Ssam} 2760178354Ssam 2761178354Ssamstatic void 2762178354Ssamwpi_start_locked(struct ifnet *ifp) 2763178354Ssam{ 2764178354Ssam struct wpi_softc *sc = ifp->if_softc; 2765173362Sbenjsc struct ieee80211_node *ni; 2766178354Ssam struct mbuf *m; 2767173362Sbenjsc 2768178354Ssam WPI_LOCK_ASSERT(sc); 2769178354Ssam 2770278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: called\n", __func__); 2771278366Sadrian 2772278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 || 2773278366Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) 2774177043Sthompsa return; 2775173362Sbenjsc 2776173362Sbenjsc for (;;) { 2777278366Sadrian if (sc->qfullmsk != 0) { 2778278366Sadrian ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2779278366Sadrian break; 2780278366Sadrian } 2781190458Sjmallett IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2782178354Ssam if (m == NULL) 2783178354Ssam break; 2784278366Sadrian ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2785278366Sadrian if (wpi_tx_data(sc, m, ni) != 0) { 2786278366Sadrian WPI_UNLOCK(sc); 2787178354Ssam ieee80211_free_node(ni); 2788278366Sadrian WPI_LOCK(sc); 2789271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2790280074Sadrian } 2791178354Ssam } 2792278366Sadrian 2793278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: done\n", __func__); 2794178354Ssam} 2795173362Sbenjsc 2796278366Sadrianstatic void 2797280078Sadrianwpi_start_task(void *arg0, int pending) 2798280078Sadrian{ 2799280078Sadrian struct wpi_softc *sc = arg0; 2800280078Sadrian struct ifnet *ifp = sc->sc_ifp; 2801280078Sadrian 2802280078Sadrian wpi_start(ifp); 2803280078Sadrian} 2804280078Sadrian 2805280078Sadrianstatic void 2806278366Sadrianwpi_watchdog_rfkill(void *arg) 2807178354Ssam{ 2808278366Sadrian struct wpi_softc *sc = arg; 2809278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2810278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2811173362Sbenjsc 2812278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "RFkill Watchdog: tick\n"); 2813278366Sadrian 2814278366Sadrian /* No need to lock firmware memory. */ 2815278366Sadrian if ((wpi_prph_read(sc, WPI_APMG_RFKILL) & 0x1) == 0) { 2816278366Sadrian /* Radio kill switch is still off. */ 2817278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 2818278366Sadrian sc); 2819278366Sadrian } else 2820278366Sadrian ieee80211_runtask(ic, &sc->sc_radioon_task); 2821278366Sadrian} 2822278366Sadrian 2823278366Sadrian/** 2824278366Sadrian * Called every second, wpi_watchdog used by the watch dog timer 2825278366Sadrian * to check that the card is still alive 2826278366Sadrian */ 2827278366Sadrianstatic void 2828278366Sadrianwpi_watchdog(void *arg) 2829278366Sadrian{ 2830278366Sadrian struct wpi_softc *sc = arg; 2831278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2832278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2833278366Sadrian 2834278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "Watchdog: tick\n"); 2835278366Sadrian 2836278366Sadrian if (sc->sc_tx_timer > 0) { 2837278366Sadrian if (--sc->sc_tx_timer == 0) { 2838278366Sadrian if_printf(ifp, "device timeout\n"); 2839278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2840278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2841278366Sadrian } 2842178354Ssam } 2843173362Sbenjsc 2844278366Sadrian if (sc->sc_scan_timer > 0) { 2845278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2846278366Sadrian if (--sc->sc_scan_timer == 0 && vap != NULL) { 2847278366Sadrian if_printf(ifp, "scan timeout\n"); 2848278366Sadrian ieee80211_cancel_scan(vap); 2849278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2850278366Sadrian } 2851178354Ssam } 2852173362Sbenjsc 2853278366Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2854278366Sadrian callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 2855173362Sbenjsc} 2856173362Sbenjsc 2857173362Sbenjscstatic int 2858173362Sbenjscwpi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 2859173362Sbenjsc{ 2860173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2861178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2862278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2863178354Ssam struct ifreq *ifr = (struct ifreq *) data; 2864278366Sadrian int error = 0, startall = 0, stop = 0; 2865173362Sbenjsc 2866173362Sbenjsc switch (cmd) { 2867278366Sadrian case SIOCGIFADDR: 2868278366Sadrian error = ether_ioctl(ifp, cmd, data); 2869278366Sadrian break; 2870173362Sbenjsc case SIOCSIFFLAGS: 2871178704Sthompsa WPI_LOCK(sc); 2872278366Sadrian if (ifp->if_flags & IFF_UP) { 2873178354Ssam if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2874278366Sadrian wpi_init_locked(sc); 2875278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & 2876278366Sadrian WPI_GP_CNTRL_RFKILL) 2877278366Sadrian startall = 1; 2878278366Sadrian else 2879278366Sadrian stop = 1; 2880178354Ssam } 2881278366Sadrian } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2882173362Sbenjsc wpi_stop_locked(sc); 2883178704Sthompsa WPI_UNLOCK(sc); 2884178704Sthompsa if (startall) 2885178704Sthompsa ieee80211_start_all(ic); 2886278366Sadrian else if (vap != NULL && stop) 2887278366Sadrian ieee80211_stop(vap); 2888173362Sbenjsc break; 2889178354Ssam case SIOCGIFMEDIA: 2890178354Ssam error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2891178354Ssam break; 2892178704Sthompsa default: 2893178704Sthompsa error = EINVAL; 2894178704Sthompsa break; 2895173362Sbenjsc } 2896173362Sbenjsc return error; 2897173362Sbenjsc} 2898173362Sbenjsc 2899173362Sbenjsc/* 2900173362Sbenjsc * Send a command to the firmware. 2901173362Sbenjsc */ 2902173362Sbenjscstatic int 2903278366Sadrianwpi_cmd(struct wpi_softc *sc, int code, const void *buf, size_t size, 2904278366Sadrian int async) 2905173362Sbenjsc{ 2906280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 2907173362Sbenjsc struct wpi_tx_desc *desc; 2908278366Sadrian struct wpi_tx_data *data; 2909173362Sbenjsc struct wpi_tx_cmd *cmd; 2910278366Sadrian struct mbuf *m; 2911278366Sadrian bus_addr_t paddr; 2912278366Sadrian int totlen, error; 2913173362Sbenjsc 2914280071Sadrian WPI_TXQ_LOCK(sc); 2915280071Sadrian 2916278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2917278366Sadrian 2918280071Sadrian if (sc->txq_active == 0) { 2919280071Sadrian /* wpi_stop() was called */ 2920280071Sadrian error = 0; 2921280071Sadrian goto fail; 2922280071Sadrian } 2923280071Sadrian 2924278366Sadrian if (async == 0) 2925173362Sbenjsc WPI_LOCK_ASSERT(sc); 2926173362Sbenjsc 2927278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "wpi_cmd %s size %zu async %d\n", 2928278366Sadrian wpi_cmd_str(code), size, async); 2929173362Sbenjsc 2930173362Sbenjsc desc = &ring->desc[ring->cur]; 2931278366Sadrian data = &ring->data[ring->cur]; 2932278366Sadrian totlen = 4 + size; 2933173362Sbenjsc 2934278366Sadrian if (size > sizeof cmd->data) { 2935278366Sadrian /* Command is too large to fit in a descriptor. */ 2936280071Sadrian if (totlen > MCLBYTES) { 2937280071Sadrian error = EINVAL; 2938280071Sadrian goto fail; 2939280071Sadrian } 2940278366Sadrian m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 2941280071Sadrian if (m == NULL) { 2942280071Sadrian error = ENOMEM; 2943280071Sadrian goto fail; 2944280071Sadrian } 2945278366Sadrian cmd = mtod(m, struct wpi_tx_cmd *); 2946278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, cmd, 2947278366Sadrian totlen, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 2948278366Sadrian if (error != 0) { 2949278366Sadrian m_freem(m); 2950280071Sadrian goto fail; 2951278366Sadrian } 2952278366Sadrian data->m = m; 2953278366Sadrian } else { 2954278366Sadrian cmd = &ring->cmd[ring->cur]; 2955278366Sadrian paddr = data->cmd_paddr; 2956278366Sadrian } 2957278366Sadrian 2958173362Sbenjsc cmd->code = code; 2959173362Sbenjsc cmd->flags = 0; 2960173362Sbenjsc cmd->qid = ring->qid; 2961173362Sbenjsc cmd->idx = ring->cur; 2962173362Sbenjsc memcpy(cmd->data, buf, size); 2963173362Sbenjsc 2964278366Sadrian desc->nsegs = 1 + (WPI_PAD32(size) << 4); 2965278366Sadrian desc->segs[0].addr = htole32(paddr); 2966278366Sadrian desc->segs[0].len = htole32(totlen); 2967173362Sbenjsc 2968278366Sadrian if (size > sizeof cmd->data) { 2969278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 2970278366Sadrian BUS_DMASYNC_PREWRITE); 2971278366Sadrian } else { 2972278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2973278366Sadrian BUS_DMASYNC_PREWRITE); 2974278366Sadrian } 2975278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2976278366Sadrian BUS_DMASYNC_PREWRITE); 2977173362Sbenjsc 2978278366Sadrian /* Kick command ring. */ 2979278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2980278366Sadrian wpi_update_tx_ring(sc, ring); 2981278366Sadrian 2982278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2983278366Sadrian 2984280071Sadrian WPI_TXQ_UNLOCK(sc); 2985280071Sadrian 2986280072Sadrian if (async) 2987173362Sbenjsc return 0; 2988173362Sbenjsc 2989280062Sadrian return mtx_sleep(cmd, &sc->sc_mtx, PCATCH, "wpicmd", hz); 2990280071Sadrian 2991280071Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2992280071Sadrian 2993280071Sadrian WPI_TXQ_UNLOCK(sc); 2994280071Sadrian 2995280071Sadrian return error; 2996173362Sbenjsc} 2997173362Sbenjsc 2998173362Sbenjsc/* 2999278366Sadrian * Configure HW multi-rate retries. 3000173362Sbenjsc */ 3001173362Sbenjscstatic int 3002173362Sbenjscwpi_mrr_setup(struct wpi_softc *sc) 3003173362Sbenjsc{ 3004178354Ssam struct ifnet *ifp = sc->sc_ifp; 3005178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3006173362Sbenjsc struct wpi_mrr_setup mrr; 3007173362Sbenjsc int i, error; 3008173362Sbenjsc 3009278366Sadrian /* CCK rates (not used with 802.11a). */ 3010278366Sadrian for (i = WPI_RIDX_CCK1; i <= WPI_RIDX_CCK11; i++) { 3011173362Sbenjsc mrr.rates[i].flags = 0; 3012278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3013278366Sadrian /* Fallback to the immediate lower CCK rate (if any.) */ 3014278366Sadrian mrr.rates[i].next = 3015278366Sadrian (i == WPI_RIDX_CCK1) ? WPI_RIDX_CCK1 : i - 1; 3016278366Sadrian /* Try one time at this rate before falling back to "next". */ 3017173362Sbenjsc mrr.rates[i].ntries = 1; 3018173362Sbenjsc } 3019278366Sadrian /* OFDM rates (not used with 802.11b). */ 3020278366Sadrian for (i = WPI_RIDX_OFDM6; i <= WPI_RIDX_OFDM54; i++) { 3021173362Sbenjsc mrr.rates[i].flags = 0; 3022278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3023278366Sadrian /* Fallback to the immediate lower rate (if any.) */ 3024278366Sadrian /* We allow fallback from OFDM/6 to CCK/2 in 11b/g mode. */ 3025278366Sadrian mrr.rates[i].next = (i == WPI_RIDX_OFDM6) ? 3026173362Sbenjsc ((ic->ic_curmode == IEEE80211_MODE_11A) ? 3027278366Sadrian WPI_RIDX_OFDM6 : WPI_RIDX_CCK2) : 3028173362Sbenjsc i - 1; 3029278366Sadrian /* Try one time at this rate before falling back to "next". */ 3030173362Sbenjsc mrr.rates[i].ntries = 1; 3031173362Sbenjsc } 3032278366Sadrian /* Setup MRR for control frames. */ 3033278366Sadrian mrr.which = htole32(WPI_MRR_CTL); 3034173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3035173362Sbenjsc if (error != 0) { 3036173362Sbenjsc device_printf(sc->sc_dev, 3037173362Sbenjsc "could not setup MRR for control frames\n"); 3038173362Sbenjsc return error; 3039173362Sbenjsc } 3040278366Sadrian /* Setup MRR for data frames. */ 3041278366Sadrian mrr.which = htole32(WPI_MRR_DATA); 3042173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3043173362Sbenjsc if (error != 0) { 3044173362Sbenjsc device_printf(sc->sc_dev, 3045173362Sbenjsc "could not setup MRR for data frames\n"); 3046173362Sbenjsc return error; 3047173362Sbenjsc } 3048173362Sbenjsc return 0; 3049173362Sbenjsc} 3050173362Sbenjsc 3051278366Sadrianstatic int 3052278366Sadrianwpi_add_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3053278366Sadrian{ 3054278366Sadrian struct ieee80211com *ic = ni->ni_ic; 3055280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3056278366Sadrian struct wpi_node_info node; 3057278366Sadrian 3058278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3059278366Sadrian 3060278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 3061278366Sadrian return EINVAL; 3062278366Sadrian 3063278366Sadrian memset(&node, 0, sizeof node); 3064279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3065278366Sadrian node.id = wn->id; 3066278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3067278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3068278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3069278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3070278366Sadrian 3071278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 3072278366Sadrian} 3073278366Sadrian 3074278366Sadrian/* 3075278366Sadrian * Broadcast node is used to send group-addressed and management frames. 3076278366Sadrian */ 3077278366Sadrianstatic int 3078278366Sadrianwpi_add_broadcast_node(struct wpi_softc *sc, int async) 3079278366Sadrian{ 3080278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3081278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3082278366Sadrian struct wpi_node_info node; 3083278366Sadrian 3084278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3085278366Sadrian 3086278366Sadrian memset(&node, 0, sizeof node); 3087278366Sadrian IEEE80211_ADDR_COPY(node.macaddr, ifp->if_broadcastaddr); 3088278366Sadrian node.id = WPI_ID_BROADCAST; 3089278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3090278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3091278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3092278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3093278366Sadrian 3094278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, async); 3095278366Sadrian} 3096278366Sadrian 3097278366Sadrianstatic int 3098280070Sadrianwpi_add_sta_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3099280070Sadrian{ 3100280070Sadrian struct wpi_node *wn = WPI_NODE(ni); 3101280070Sadrian int error; 3102280070Sadrian 3103280070Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3104280070Sadrian 3105280070Sadrian wn->id = wpi_add_node_entry_sta(sc); 3106280070Sadrian 3107280070Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3108280070Sadrian wpi_del_node_entry(sc, wn->id); 3109280070Sadrian wn->id = WPI_ID_UNDEFINED; 3110280070Sadrian return error; 3111280070Sadrian } 3112280070Sadrian 3113280070Sadrian return 0; 3114280070Sadrian} 3115280070Sadrian 3116280070Sadrianstatic int 3117278366Sadrianwpi_add_ibss_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3118278366Sadrian{ 3119280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3120280069Sadrian int error; 3121278366Sadrian 3122278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3123278366Sadrian 3124278366Sadrian if (wn->id != WPI_ID_UNDEFINED) 3125278366Sadrian return EINVAL; 3126278366Sadrian 3127280069Sadrian if ((wn->id = wpi_add_node_entry_adhoc(sc)) == WPI_ID_UNDEFINED) { 3128280069Sadrian device_printf(sc->sc_dev, "%s: h/w table is full\n", __func__); 3129280069Sadrian return ENOMEM; 3130280069Sadrian } 3131278366Sadrian 3132280069Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3133280069Sadrian wpi_del_node_entry(sc, wn->id); 3134280069Sadrian wn->id = WPI_ID_UNDEFINED; 3135280069Sadrian return error; 3136280069Sadrian } 3137278366Sadrian 3138280069Sadrian return 0; 3139278366Sadrian} 3140278366Sadrian 3141173362Sbenjscstatic void 3142278366Sadrianwpi_del_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3143278366Sadrian{ 3144280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3145278366Sadrian struct wpi_cmd_del_node node; 3146278366Sadrian int error; 3147278366Sadrian 3148278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3149278366Sadrian 3150278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 3151278366Sadrian device_printf(sc->sc_dev, "%s: undefined node id passed\n", 3152278366Sadrian __func__); 3153278366Sadrian return; 3154278366Sadrian } 3155278366Sadrian 3156278366Sadrian memset(&node, 0, sizeof node); 3157279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3158278366Sadrian node.count = 1; 3159278366Sadrian 3160278366Sadrian error = wpi_cmd(sc, WPI_CMD_DEL_NODE, &node, sizeof node, 1); 3161278366Sadrian if (error != 0) { 3162278366Sadrian device_printf(sc->sc_dev, 3163278366Sadrian "%s: could not delete node %u, error %d\n", __func__, 3164278366Sadrian wn->id, error); 3165278366Sadrian } 3166278366Sadrian} 3167278366Sadrian 3168278366Sadrianstatic int 3169278366Sadrianwpi_updateedca(struct ieee80211com *ic) 3170278366Sadrian{ 3171278366Sadrian#define WPI_EXP2(x) ((1 << (x)) - 1) /* CWmin = 2^ECWmin - 1 */ 3172278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 3173278366Sadrian struct wpi_edca_params cmd; 3174278366Sadrian int aci, error; 3175278366Sadrian 3176278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3177278366Sadrian 3178278366Sadrian memset(&cmd, 0, sizeof cmd); 3179278366Sadrian cmd.flags = htole32(WPI_EDCA_UPDATE); 3180278366Sadrian for (aci = 0; aci < WME_NUM_AC; aci++) { 3181278366Sadrian const struct wmeParams *ac = 3182278366Sadrian &ic->ic_wme.wme_chanParams.cap_wmeParams[aci]; 3183278366Sadrian cmd.ac[aci].aifsn = ac->wmep_aifsn; 3184278366Sadrian cmd.ac[aci].cwmin = htole16(WPI_EXP2(ac->wmep_logcwmin)); 3185278366Sadrian cmd.ac[aci].cwmax = htole16(WPI_EXP2(ac->wmep_logcwmax)); 3186278366Sadrian cmd.ac[aci].txoplimit = 3187278366Sadrian htole16(IEEE80211_TXOP_TO_US(ac->wmep_txopLimit)); 3188278366Sadrian 3189278366Sadrian DPRINTF(sc, WPI_DEBUG_EDCA, 3190278366Sadrian "setting WME for queue %d aifsn=%d cwmin=%d cwmax=%d " 3191278366Sadrian "txoplimit=%d\n", aci, cmd.ac[aci].aifsn, 3192278366Sadrian cmd.ac[aci].cwmin, cmd.ac[aci].cwmax, 3193278366Sadrian cmd.ac[aci].txoplimit); 3194278366Sadrian } 3195278366Sadrian error = wpi_cmd(sc, WPI_CMD_EDCA_PARAMS, &cmd, sizeof cmd, 1); 3196278366Sadrian 3197278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3198278366Sadrian 3199278366Sadrian return error; 3200278366Sadrian#undef WPI_EXP2 3201278366Sadrian} 3202278366Sadrian 3203278366Sadrianstatic void 3204278366Sadrianwpi_set_promisc(struct wpi_softc *sc) 3205278366Sadrian{ 3206278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3207278366Sadrian uint32_t promisc_filter; 3208278366Sadrian 3209278366Sadrian promisc_filter = WPI_FILTER_PROMISC | WPI_FILTER_CTL; 3210278366Sadrian 3211278366Sadrian if (ifp->if_flags & IFF_PROMISC) 3212278366Sadrian sc->rxon.filter |= htole32(promisc_filter); 3213278366Sadrian else 3214278366Sadrian sc->rxon.filter &= ~htole32(promisc_filter); 3215278366Sadrian} 3216278366Sadrian 3217278366Sadrianstatic void 3218278366Sadrianwpi_update_promisc(struct ifnet *ifp) 3219278366Sadrian{ 3220278366Sadrian struct wpi_softc *sc = ifp->if_softc; 3221278366Sadrian 3222280074Sadrian WPI_LOCK(sc); 3223278366Sadrian wpi_set_promisc(sc); 3224278366Sadrian 3225278366Sadrian if (wpi_send_rxon(sc, 1, 1) != 0) { 3226278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3227278366Sadrian __func__); 3228278366Sadrian } 3229278366Sadrian WPI_UNLOCK(sc); 3230278366Sadrian} 3231278366Sadrian 3232278366Sadrianstatic void 3233278366Sadrianwpi_update_mcast(struct ifnet *ifp) 3234278366Sadrian{ 3235278366Sadrian /* Ignore */ 3236278366Sadrian} 3237278366Sadrian 3238278366Sadrianstatic void 3239173362Sbenjscwpi_set_led(struct wpi_softc *sc, uint8_t which, uint8_t off, uint8_t on) 3240173362Sbenjsc{ 3241173362Sbenjsc struct wpi_cmd_led led; 3242173362Sbenjsc 3243278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3244278366Sadrian 3245173362Sbenjsc led.which = which; 3246173362Sbenjsc led.unit = htole32(100000); /* on/off in unit of 100ms */ 3247173362Sbenjsc led.off = off; 3248173362Sbenjsc led.on = on; 3249173362Sbenjsc (void)wpi_cmd(sc, WPI_CMD_SET_LED, &led, sizeof led, 1); 3250173362Sbenjsc} 3251173362Sbenjsc 3252278366Sadrianstatic int 3253278366Sadrianwpi_set_timing(struct wpi_softc *sc, struct ieee80211_node *ni) 3254173362Sbenjsc{ 3255278366Sadrian struct wpi_cmd_timing cmd; 3256173362Sbenjsc uint64_t val, mod; 3257173362Sbenjsc 3258278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3259173362Sbenjsc 3260278366Sadrian memset(&cmd, 0, sizeof cmd); 3261278366Sadrian memcpy(&cmd.tstamp, ni->ni_tstamp.data, sizeof (uint64_t)); 3262278366Sadrian cmd.bintval = htole16(ni->ni_intval); 3263278366Sadrian cmd.lintval = htole16(10); 3264173362Sbenjsc 3265278366Sadrian /* Compute remaining time until next beacon. */ 3266278366Sadrian val = (uint64_t)ni->ni_intval * IEEE80211_DUR_TU; 3267278366Sadrian mod = le64toh(cmd.tstamp) % val; 3268278366Sadrian cmd.binitval = htole32((uint32_t)(val - mod)); 3269278366Sadrian 3270278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "timing bintval=%u tstamp=%ju, init=%u\n", 3271278366Sadrian ni->ni_intval, le64toh(cmd.tstamp), (uint32_t)(val - mod)); 3272278366Sadrian 3273278366Sadrian return wpi_cmd(sc, WPI_CMD_TIMING, &cmd, sizeof cmd, 1); 3274173362Sbenjsc} 3275173362Sbenjsc 3276173362Sbenjsc/* 3277278366Sadrian * This function is called periodically (every 60 seconds) to adjust output 3278278366Sadrian * power to temperature changes. 3279173362Sbenjsc */ 3280278366Sadrianstatic void 3281278366Sadrianwpi_power_calibration(struct wpi_softc *sc) 3282278366Sadrian{ 3283278366Sadrian int temp; 3284278366Sadrian 3285278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3286278366Sadrian 3287278366Sadrian /* Update sensor data. */ 3288278366Sadrian temp = (int)WPI_READ(sc, WPI_UCODE_GP2); 3289278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "Temp in calibration is: %d\n", temp); 3290278366Sadrian 3291278366Sadrian /* Sanity-check read value. */ 3292278366Sadrian if (temp < -260 || temp > 25) { 3293278366Sadrian /* This can't be correct, ignore. */ 3294278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3295278366Sadrian "out-of-range temperature reported: %d\n", temp); 3296278366Sadrian return; 3297278366Sadrian } 3298278366Sadrian 3299278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d->%d\n", sc->temp, temp); 3300278366Sadrian 3301278366Sadrian /* Adjust Tx power if need be. */ 3302278366Sadrian if (abs(temp - sc->temp) <= 6) 3303278366Sadrian return; 3304278366Sadrian 3305278366Sadrian sc->temp = temp; 3306278366Sadrian 3307278366Sadrian if (wpi_set_txpower(sc, 1) != 0) { 3308278366Sadrian /* just warn, too bad for the automatic calibration... */ 3309278366Sadrian device_printf(sc->sc_dev,"could not adjust Tx power\n"); 3310278366Sadrian } 3311278366Sadrian} 3312278366Sadrian 3313278366Sadrian/* 3314278366Sadrian * Set TX power for current channel. 3315278366Sadrian */ 3316173362Sbenjscstatic int 3317278366Sadrianwpi_set_txpower(struct wpi_softc *sc, int async) 3318173362Sbenjsc{ 3319280067Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3320278366Sadrian struct ieee80211_channel *ch; 3321278366Sadrian struct wpi_power_group *group; 3322278366Sadrian struct wpi_cmd_txpower cmd; 3323278366Sadrian uint8_t chan; 3324278366Sadrian int idx, i; 3325173362Sbenjsc 3326278366Sadrian /* Retrieve current channel from last RXON. */ 3327278366Sadrian chan = sc->rxon.chan; 3328278366Sadrian ch = &ic->ic_channels[chan]; 3329173362Sbenjsc 3330278366Sadrian /* Find the TX power group to which this channel belongs. */ 3331278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3332278366Sadrian for (group = &sc->groups[1]; group < &sc->groups[4]; group++) 3333278366Sadrian if (chan <= group->chan) 3334278366Sadrian break; 3335278366Sadrian } else 3336278366Sadrian group = &sc->groups[0]; 3337278366Sadrian 3338278366Sadrian memset(&cmd, 0, sizeof cmd); 3339278366Sadrian cmd.band = IEEE80211_IS_CHAN_5GHZ(ch) ? 0 : 1; 3340278366Sadrian cmd.chan = htole16(chan); 3341278366Sadrian 3342278366Sadrian /* Set TX power for all OFDM and CCK rates. */ 3343278366Sadrian for (i = 0; i <= WPI_RIDX_MAX ; i++) { 3344278366Sadrian /* Retrieve TX power for this channel/rate. */ 3345278366Sadrian idx = wpi_get_power_index(sc, group, ch, i); 3346278366Sadrian 3347278366Sadrian cmd.rates[i].plcp = wpi_ridx_to_plcp[i]; 3348278366Sadrian 3349278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3350278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_5ghz[idx]; 3351278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_5ghz[idx]; 3352278366Sadrian } else { 3353278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_2ghz[idx]; 3354278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_2ghz[idx]; 3355278366Sadrian } 3356278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3357278366Sadrian "chan %d/ridx %d: power index %d\n", chan, i, idx); 3358173362Sbenjsc } 3359173362Sbenjsc 3360278366Sadrian return wpi_cmd(sc, WPI_CMD_TXPOWER, &cmd, sizeof cmd, async); 3361278366Sadrian} 3362173362Sbenjsc 3363278366Sadrian/* 3364278366Sadrian * Determine Tx power index for a given channel/rate combination. 3365278366Sadrian * This takes into account the regulatory information from EEPROM and the 3366278366Sadrian * current temperature. 3367278366Sadrian */ 3368278366Sadrianstatic int 3369278366Sadrianwpi_get_power_index(struct wpi_softc *sc, struct wpi_power_group *group, 3370278366Sadrian struct ieee80211_channel *c, int ridx) 3371278366Sadrian{ 3372278366Sadrian/* Fixed-point arithmetic division using a n-bit fractional part. */ 3373280059Sadrian#define fdivround(a, b, n) \ 3374278366Sadrian ((((1 << n) * (a)) / (b) + (1 << n) / 2) / (1 << n)) 3375173362Sbenjsc 3376278366Sadrian/* Linear interpolation. */ 3377280059Sadrian#define interpolate(x, x1, y1, x2, y2, n) \ 3378278366Sadrian ((y1) + fdivround(((x) - (x1)) * ((y2) - (y1)), (x2) - (x1), n)) 3379173362Sbenjsc 3380280067Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3381278366Sadrian struct wpi_power_sample *sample; 3382278366Sadrian int pwr, idx; 3383278366Sadrian u_int chan; 3384278366Sadrian 3385278366Sadrian /* Get channel number. */ 3386278366Sadrian chan = ieee80211_chan2ieee(ic, c); 3387278366Sadrian 3388278366Sadrian /* Default TX power is group maximum TX power minus 3dB. */ 3389278366Sadrian pwr = group->maxpwr / 2; 3390278366Sadrian 3391278366Sadrian /* Decrease TX power for highest OFDM rates to reduce distortion. */ 3392278366Sadrian switch (ridx) { 3393278366Sadrian case WPI_RIDX_OFDM36: 3394278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 0 : 5; 3395278366Sadrian break; 3396278366Sadrian case WPI_RIDX_OFDM48: 3397278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 7 : 10; 3398278366Sadrian break; 3399278366Sadrian case WPI_RIDX_OFDM54: 3400278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 9 : 12; 3401278366Sadrian break; 3402173362Sbenjsc } 3403173362Sbenjsc 3404278366Sadrian /* Never exceed the channel maximum allowed TX power. */ 3405278366Sadrian pwr = min(pwr, sc->maxpwr[chan]); 3406173362Sbenjsc 3407278366Sadrian /* Retrieve TX power index into gain tables from samples. */ 3408278366Sadrian for (sample = group->samples; sample < &group->samples[3]; sample++) 3409278366Sadrian if (pwr > sample[1].power) 3410278366Sadrian break; 3411278366Sadrian /* Fixed-point linear interpolation using a 19-bit fractional part. */ 3412278366Sadrian idx = interpolate(pwr, sample[0].power, sample[0].index, 3413278366Sadrian sample[1].power, sample[1].index, 19); 3414173362Sbenjsc 3415278366Sadrian /*- 3416278366Sadrian * Adjust power index based on current temperature: 3417278366Sadrian * - if cooler than factory-calibrated: decrease output power 3418278366Sadrian * - if warmer than factory-calibrated: increase output power 3419278366Sadrian */ 3420278366Sadrian idx -= (sc->temp - group->temp) * 11 / 100; 3421173362Sbenjsc 3422278366Sadrian /* Decrease TX power for CCK rates (-5dB). */ 3423278366Sadrian if (ridx >= WPI_RIDX_CCK1) 3424278366Sadrian idx += 10; 3425278366Sadrian 3426278366Sadrian /* Make sure idx stays in a valid range. */ 3427278366Sadrian if (idx < 0) 3428278366Sadrian return 0; 3429278366Sadrian if (idx > WPI_MAX_PWR_INDEX) 3430278366Sadrian return WPI_MAX_PWR_INDEX; 3431278366Sadrian return idx; 3432278366Sadrian 3433278366Sadrian#undef interpolate 3434278366Sadrian#undef fdivround 3435173362Sbenjsc} 3436173362Sbenjsc 3437278366Sadrian/* 3438278366Sadrian * Set STA mode power saving level (between 0 and 5). 3439278366Sadrian * Level 0 is CAM (Continuously Aware Mode), 5 is for maximum power saving. 3440278366Sadrian */ 3441173362Sbenjscstatic int 3442278366Sadrianwpi_set_pslevel(struct wpi_softc *sc, uint8_t dtim, int level, int async) 3443173362Sbenjsc{ 3444278366Sadrian struct wpi_pmgt_cmd cmd; 3445278366Sadrian const struct wpi_pmgt *pmgt; 3446278366Sadrian uint32_t max, skip_dtim; 3447278366Sadrian uint32_t reg; 3448278366Sadrian int i; 3449278366Sadrian 3450278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 3451278366Sadrian "%s: dtim=%d, level=%d, async=%d\n", 3452278366Sadrian __func__, dtim, level, async); 3453278366Sadrian 3454278366Sadrian /* Select which PS parameters to use. */ 3455278366Sadrian if (dtim <= 10) 3456278366Sadrian pmgt = &wpi_pmgt[0][level]; 3457278366Sadrian else 3458278366Sadrian pmgt = &wpi_pmgt[1][level]; 3459278366Sadrian 3460278366Sadrian memset(&cmd, 0, sizeof cmd); 3461278366Sadrian if (level != 0) /* not CAM */ 3462278366Sadrian cmd.flags |= htole16(WPI_PS_ALLOW_SLEEP); 3463278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 3464278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 3465278366Sadrian if (!(reg & 0x1)) /* L0s Entry disabled. */ 3466278366Sadrian cmd.flags |= htole16(WPI_PS_PCI_PMGT); 3467278366Sadrian 3468278366Sadrian cmd.rxtimeout = htole32(pmgt->rxtimeout * IEEE80211_DUR_TU); 3469278366Sadrian cmd.txtimeout = htole32(pmgt->txtimeout * IEEE80211_DUR_TU); 3470278366Sadrian 3471278366Sadrian if (dtim == 0) { 3472278366Sadrian dtim = 1; 3473278366Sadrian skip_dtim = 0; 3474278366Sadrian } else 3475278366Sadrian skip_dtim = pmgt->skip_dtim; 3476278366Sadrian 3477278366Sadrian if (skip_dtim != 0) { 3478278366Sadrian cmd.flags |= htole16(WPI_PS_SLEEP_OVER_DTIM); 3479278366Sadrian max = pmgt->intval[4]; 3480278366Sadrian if (max == (uint32_t)-1) 3481278366Sadrian max = dtim * (skip_dtim + 1); 3482278366Sadrian else if (max > dtim) 3483278366Sadrian max = (max / dtim) * dtim; 3484278366Sadrian } else 3485278366Sadrian max = dtim; 3486278366Sadrian 3487278366Sadrian for (i = 0; i < 5; i++) 3488278366Sadrian cmd.intval[i] = htole32(MIN(max, pmgt->intval[i])); 3489278366Sadrian 3490278366Sadrian return wpi_cmd(sc, WPI_CMD_SET_POWER_MODE, &cmd, sizeof cmd, async); 3491278366Sadrian} 3492278366Sadrian 3493280059Sadrianstatic int 3494278366Sadrianwpi_send_btcoex(struct wpi_softc *sc) 3495278366Sadrian{ 3496278366Sadrian struct wpi_bluetooth cmd; 3497278366Sadrian 3498280059Sadrian memset(&cmd, 0, sizeof cmd); 3499280059Sadrian cmd.flags = WPI_BT_COEX_MODE_4WIRE; 3500280059Sadrian cmd.lead_time = WPI_BT_LEAD_TIME_DEF; 3501280059Sadrian cmd.max_kill = WPI_BT_MAX_KILL_DEF; 3502278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "%s: configuring bluetooth coexistence\n", 3503278366Sadrian __func__); 3504280059Sadrian return wpi_cmd(sc, WPI_CMD_BT_COEX, &cmd, sizeof(cmd), 0); 3505278366Sadrian} 3506278366Sadrian 3507278366Sadrianstatic int 3508278366Sadrianwpi_send_rxon(struct wpi_softc *sc, int assoc, int async) 3509278366Sadrian{ 3510173362Sbenjsc int error; 3511173362Sbenjsc 3512278366Sadrian if (assoc && (sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3513278366Sadrian struct wpi_assoc rxon_assoc; 3514177043Sthompsa 3515278366Sadrian rxon_assoc.flags = sc->rxon.flags; 3516278366Sadrian rxon_assoc.filter = sc->rxon.filter; 3517278366Sadrian rxon_assoc.ofdm_mask = sc->rxon.ofdm_mask; 3518278366Sadrian rxon_assoc.cck_mask = sc->rxon.cck_mask; 3519278366Sadrian rxon_assoc.reserved = 0; 3520278366Sadrian 3521278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON_ASSOC, &rxon_assoc, 3522278366Sadrian sizeof (struct wpi_assoc), async); 3523216522Sbschmidt } else { 3524280077Sadrian if (async) 3525280077Sadrian WPI_NT_LOCK(sc); 3526280077Sadrian 3527278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3528278366Sadrian sizeof (struct wpi_rxon), async); 3529280069Sadrian 3530280069Sadrian wpi_clear_node_table(sc); 3531280077Sadrian 3532280077Sadrian if (async) 3533280077Sadrian WPI_NT_UNLOCK(sc); 3534173362Sbenjsc } 3535173362Sbenjsc if (error != 0) { 3536278366Sadrian device_printf(sc->sc_dev, "RXON command failed, error %d\n", 3537278366Sadrian error); 3538173362Sbenjsc return error; 3539173362Sbenjsc } 3540173362Sbenjsc 3541278366Sadrian /* Configuration has changed, set Tx power accordingly. */ 3542278366Sadrian if ((error = wpi_set_txpower(sc, async)) != 0) { 3543278366Sadrian device_printf(sc->sc_dev, 3544278366Sadrian "%s: could not set TX power, error %d\n", __func__, error); 3545173362Sbenjsc return error; 3546173362Sbenjsc } 3547173362Sbenjsc 3548278366Sadrian if (!(sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3549278366Sadrian /* Add broadcast node. */ 3550278366Sadrian error = wpi_add_broadcast_node(sc, async); 3551278366Sadrian if (error != 0) { 3552278366Sadrian device_printf(sc->sc_dev, 3553278366Sadrian "could not add broadcast node, error %d\n", error); 3554278366Sadrian return error; 3555278366Sadrian } 3556278366Sadrian } 3557177043Sthompsa 3558278366Sadrian return 0; 3559177043Sthompsa} 3560177043Sthompsa 3561278366Sadrian/** 3562278366Sadrian * Configure the card to listen to a particular channel, this transisions the 3563278366Sadrian * card in to being able to receive frames from remote devices. 3564278366Sadrian */ 3565177043Sthompsastatic int 3566278366Sadrianwpi_config(struct wpi_softc *sc) 3567177043Sthompsa{ 3568278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3569278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3570279762Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3571278366Sadrian uint32_t flags; 3572177043Sthompsa int error; 3573177043Sthompsa 3574278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3575278366Sadrian 3576278366Sadrian /* Set power saving level to CAM during initialization. */ 3577278366Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 0)) != 0) { 3578278366Sadrian device_printf(sc->sc_dev, 3579278366Sadrian "%s: could not set power saving level\n", __func__); 3580278366Sadrian return error; 3581178354Ssam } 3582178354Ssam 3583278366Sadrian /* Configure bluetooth coexistence. */ 3584278366Sadrian if ((error = wpi_send_btcoex(sc)) != 0) { 3585278366Sadrian device_printf(sc->sc_dev, 3586278366Sadrian "could not configure bluetooth coexistence\n"); 3587278366Sadrian return error; 3588278366Sadrian } 3589177043Sthompsa 3590278366Sadrian /* Configure adapter. */ 3591278366Sadrian memset(&sc->rxon, 0, sizeof (struct wpi_rxon)); 3592279762Sadrian IEEE80211_ADDR_COPY(sc->rxon.myaddr, vap->iv_myaddr); 3593177043Sthompsa 3594278366Sadrian /* Set default channel. */ 3595278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ic->ic_curchan); 3596278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3597278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) 3598278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3599177043Sthompsa 3600278764Sadrian sc->rxon.filter = WPI_FILTER_MULTICAST; 3601278366Sadrian switch (ic->ic_opmode) { 3602278366Sadrian case IEEE80211_M_STA: 3603278366Sadrian sc->rxon.mode = WPI_MODE_STA; 3604278366Sadrian break; 3605278366Sadrian case IEEE80211_M_IBSS: 3606278366Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3607278764Sadrian sc->rxon.filter |= WPI_FILTER_BEACON; 3608278366Sadrian break; 3609278366Sadrian /* XXX workaround for passive channels selection */ 3610278366Sadrian case IEEE80211_M_AHDEMO: 3611278366Sadrian case IEEE80211_M_HOSTAP: 3612278366Sadrian sc->rxon.mode = WPI_MODE_HOSTAP; 3613278366Sadrian break; 3614278366Sadrian case IEEE80211_M_MONITOR: 3615278366Sadrian sc->rxon.mode = WPI_MODE_MONITOR; 3616278366Sadrian break; 3617278366Sadrian default: 3618280066Sadrian device_printf(sc->sc_dev, "unknown opmode %d\n", 3619280066Sadrian ic->ic_opmode); 3620278366Sadrian return EINVAL; 3621278366Sadrian } 3622278764Sadrian sc->rxon.filter = htole32(sc->rxon.filter); 3623278366Sadrian wpi_set_promisc(sc); 3624278366Sadrian sc->rxon.cck_mask = 0x0f; /* not yet negotiated */ 3625278366Sadrian sc->rxon.ofdm_mask = 0xff; /* not yet negotiated */ 3626278366Sadrian 3627278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) { 3628278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3629278366Sadrian __func__); 3630173362Sbenjsc return error; 3631173362Sbenjsc } 3632173362Sbenjsc 3633278366Sadrian /* Setup rate scalling. */ 3634278366Sadrian if ((error = wpi_mrr_setup(sc)) != 0) { 3635278366Sadrian device_printf(sc->sc_dev, "could not setup MRR, error %d\n", 3636278366Sadrian error); 3637278366Sadrian return error; 3638278366Sadrian } 3639278366Sadrian 3640278366Sadrian /* Disable beacon notifications (unused). */ 3641278366Sadrian flags = WPI_STATISTICS_BEACON_DISABLE; 3642278366Sadrian error = wpi_cmd(sc, WPI_CMD_GET_STATISTICS, &flags, sizeof flags, 1); 3643177043Sthompsa if (error != 0) { 3644278366Sadrian device_printf(sc->sc_dev, 3645278366Sadrian "could not disable beacon statistics, error %d\n", error); 3646177043Sthompsa return error; 3647177043Sthompsa } 3648173362Sbenjsc 3649278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3650177043Sthompsa 3651278366Sadrian return 0; 3652278366Sadrian} 3653177043Sthompsa 3654278366Sadrianstatic uint16_t 3655278366Sadrianwpi_get_active_dwell_time(struct wpi_softc *sc, 3656278366Sadrian struct ieee80211_channel *c, uint8_t n_probes) 3657278366Sadrian{ 3658278366Sadrian /* No channel? Default to 2GHz settings. */ 3659278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) { 3660278366Sadrian return (WPI_ACTIVE_DWELL_TIME_2GHZ + 3661278366Sadrian WPI_ACTIVE_DWELL_FACTOR_2GHZ * (n_probes + 1)); 3662278366Sadrian } 3663278366Sadrian 3664278366Sadrian /* 5GHz dwell time. */ 3665278366Sadrian return (WPI_ACTIVE_DWELL_TIME_5GHZ + 3666278366Sadrian WPI_ACTIVE_DWELL_FACTOR_5GHZ * (n_probes + 1)); 3667173362Sbenjsc} 3668173362Sbenjsc 3669173362Sbenjsc/* 3670278366Sadrian * Limit the total dwell time to 85% of the beacon interval. 3671278366Sadrian * 3672278366Sadrian * Returns the dwell time in milliseconds. 3673173362Sbenjsc */ 3674278366Sadrianstatic uint16_t 3675278366Sadrianwpi_limit_dwell(struct wpi_softc *sc, uint16_t dwell_time) 3676278366Sadrian{ 3677278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3678278366Sadrian struct ieee80211vap *vap = NULL; 3679278366Sadrian int bintval = 0; 3680278366Sadrian 3681278366Sadrian /* bintval is in TU (1.024mS) */ 3682278366Sadrian if (! TAILQ_EMPTY(&ic->ic_vaps)) { 3683278366Sadrian vap = TAILQ_FIRST(&ic->ic_vaps); 3684278366Sadrian bintval = vap->iv_bss->ni_intval; 3685278366Sadrian } 3686278366Sadrian 3687278366Sadrian /* 3688278366Sadrian * If it's non-zero, we should calculate the minimum of 3689278366Sadrian * it and the DWELL_BASE. 3690278366Sadrian * 3691278366Sadrian * XXX Yes, the math should take into account that bintval 3692278366Sadrian * is 1.024mS, not 1mS.. 3693278366Sadrian */ 3694278366Sadrian if (bintval > 0) { 3695278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "%s: bintval=%d\n", __func__, 3696278366Sadrian bintval); 3697278366Sadrian return (MIN(WPI_PASSIVE_DWELL_BASE, ((bintval * 85) / 100))); 3698278366Sadrian } 3699278366Sadrian 3700278366Sadrian /* No association context? Default. */ 3701278366Sadrian return (WPI_PASSIVE_DWELL_BASE); 3702278366Sadrian} 3703278366Sadrian 3704278366Sadrianstatic uint16_t 3705278366Sadrianwpi_get_passive_dwell_time(struct wpi_softc *sc, struct ieee80211_channel *c) 3706278366Sadrian{ 3707278366Sadrian uint16_t passive; 3708278366Sadrian 3709278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) 3710278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_2GHZ; 3711278366Sadrian else 3712278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_5GHZ; 3713278366Sadrian 3714278366Sadrian /* Clamp to the beacon interval if we're associated. */ 3715278366Sadrian return (wpi_limit_dwell(sc, passive)); 3716278366Sadrian} 3717278366Sadrian 3718278366Sadrian/* 3719278366Sadrian * Send a scan request to the firmware. 3720278366Sadrian */ 3721173362Sbenjscstatic int 3722278366Sadrianwpi_scan(struct wpi_softc *sc, struct ieee80211_channel *c) 3723173362Sbenjsc{ 3724178354Ssam struct ifnet *ifp = sc->sc_ifp; 3725178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3726177043Sthompsa struct ieee80211_scan_state *ss = ic->ic_scan; 3727279762Sadrian struct ieee80211vap *vap = ss->ss_vap; 3728173362Sbenjsc struct wpi_scan_hdr *hdr; 3729278366Sadrian struct wpi_cmd_data *tx; 3730278366Sadrian struct wpi_scan_essid *essids; 3731173362Sbenjsc struct wpi_scan_chan *chan; 3732173362Sbenjsc struct ieee80211_frame *wh; 3733173362Sbenjsc struct ieee80211_rateset *rs; 3734278366Sadrian uint16_t dwell_active, dwell_passive; 3735278366Sadrian uint8_t *buf, *frm; 3736278366Sadrian int buflen, error, i, nssid; 3737173362Sbenjsc 3738278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3739173362Sbenjsc 3740278366Sadrian /* 3741278366Sadrian * We are absolutely not allowed to send a scan command when another 3742278366Sadrian * scan command is pending. 3743278366Sadrian */ 3744278366Sadrian if (sc->sc_scan_timer) { 3745278366Sadrian device_printf(sc->sc_dev, "%s: called whilst scanning!\n", 3746278366Sadrian __func__); 3747280060Sadrian 3748280060Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3749280060Sadrian 3750278366Sadrian return (EAGAIN); 3751278366Sadrian } 3752278366Sadrian 3753278366Sadrian buf = malloc(WPI_SCAN_MAXSZ, M_DEVBUF, M_NOWAIT | M_ZERO); 3754278366Sadrian if (buf == NULL) { 3755173362Sbenjsc device_printf(sc->sc_dev, 3756278366Sadrian "%s: could not allocate buffer for scan command\n", 3757278366Sadrian __func__); 3758280060Sadrian error = ENOMEM; 3759280060Sadrian goto fail; 3760173362Sbenjsc } 3761278366Sadrian hdr = (struct wpi_scan_hdr *)buf; 3762173362Sbenjsc 3763173362Sbenjsc /* 3764278366Sadrian * Move to the next channel if no packets are received within 10 msecs 3765278366Sadrian * after sending the probe request. 3766173362Sbenjsc */ 3767278366Sadrian hdr->quiet_time = htole16(10); /* timeout in milliseconds */ 3768278366Sadrian hdr->quiet_threshold = htole16(1); /* min # of packets */ 3769278366Sadrian /* 3770278366Sadrian * Max needs to be greater than active and passive and quiet! 3771278366Sadrian * It's also in microseconds! 3772278366Sadrian */ 3773278366Sadrian hdr->max_svc = htole32(250 * IEEE80211_DUR_TU); 3774278366Sadrian hdr->pause_svc = htole32((4 << 24) | 3775278366Sadrian (100 * IEEE80211_DUR_TU)); /* Hardcode for now */ 3776278366Sadrian hdr->filter = htole32(WPI_FILTER_MULTICAST | WPI_FILTER_BEACON); 3777173362Sbenjsc 3778278366Sadrian tx = (struct wpi_cmd_data *)(hdr + 1); 3779278366Sadrian tx->flags = htole32(WPI_TX_AUTO_SEQ); 3780278366Sadrian tx->id = WPI_ID_BROADCAST; 3781278366Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 3782173362Sbenjsc 3783278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) { 3784278366Sadrian /* Send probe requests at 6Mbps. */ 3785278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_OFDM6]; 3786278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11A]; 3787173362Sbenjsc } else { 3788278366Sadrian hdr->flags = htole32(WPI_RXON_24GHZ | WPI_RXON_AUTO); 3789278366Sadrian /* Send probe requests at 1Mbps. */ 3790278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3791278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11G]; 3792173362Sbenjsc } 3793173362Sbenjsc 3794278366Sadrian essids = (struct wpi_scan_essid *)(tx + 1); 3795177043Sthompsa nssid = MIN(ss->ss_nssid, WPI_SCAN_MAX_ESSIDS); 3796178354Ssam for (i = 0; i < nssid; i++) { 3797278366Sadrian essids[i].id = IEEE80211_ELEMID_SSID; 3798278366Sadrian essids[i].len = MIN(ss->ss_ssid[i].len, IEEE80211_NWID_LEN); 3799278366Sadrian memcpy(essids[i].data, ss->ss_ssid[i].ssid, essids[i].len); 3800179957Sthompsa#ifdef WPI_DEBUG 3801278366Sadrian if (sc->sc_debug & WPI_DEBUG_SCAN) { 3802177043Sthompsa printf("Scanning Essid: "); 3803278366Sadrian ieee80211_print_essid(essids[i].data, essids[i].len); 3804177043Sthompsa printf("\n"); 3805177043Sthompsa } 3806179957Sthompsa#endif 3807173362Sbenjsc } 3808173362Sbenjsc 3809173362Sbenjsc /* 3810173362Sbenjsc * Build a probe request frame. Most of the following code is a 3811173362Sbenjsc * copy & paste of what is done in net80211. 3812173362Sbenjsc */ 3813278366Sadrian wh = (struct ieee80211_frame *)(essids + WPI_SCAN_MAX_ESSIDS); 3814173362Sbenjsc wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 3815173362Sbenjsc IEEE80211_FC0_SUBTYPE_PROBE_REQ; 3816173362Sbenjsc wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 3817173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr1, ifp->if_broadcastaddr); 3818279762Sadrian IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); 3819173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr3, ifp->if_broadcastaddr); 3820278366Sadrian *(uint16_t *)&wh->i_dur[0] = 0; /* filled by h/w */ 3821278366Sadrian *(uint16_t *)&wh->i_seq[0] = 0; /* filled by h/w */ 3822173362Sbenjsc 3823173362Sbenjsc frm = (uint8_t *)(wh + 1); 3824275966Sadrian frm = ieee80211_add_ssid(frm, NULL, 0); 3825275966Sadrian frm = ieee80211_add_rates(frm, rs); 3826278366Sadrian if (rs->rs_nrates > IEEE80211_RATE_SIZE) 3827278366Sadrian frm = ieee80211_add_xrates(frm, rs); 3828173362Sbenjsc 3829278366Sadrian /* Set length of probe request. */ 3830278366Sadrian tx->len = htole16(frm - (uint8_t *)wh); 3831173362Sbenjsc 3832173362Sbenjsc /* 3833173362Sbenjsc * Construct information about the channel that we 3834173362Sbenjsc * want to scan. The firmware expects this to be directly 3835173362Sbenjsc * after the scan probe request 3836173362Sbenjsc */ 3837173362Sbenjsc chan = (struct wpi_scan_chan *)frm; 3838278366Sadrian chan->chan = htole16(ieee80211_chan2ieee(ic, c)); 3839173362Sbenjsc chan->flags = 0; 3840278366Sadrian if (nssid) { 3841278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_DEFAULT; 3842278366Sadrian chan->flags |= WPI_CHAN_NPBREQS(nssid); 3843278366Sadrian } else 3844278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_NEVER; 3845278366Sadrian 3846278764Sadrian if (!IEEE80211_IS_CHAN_PASSIVE(c)) 3847173362Sbenjsc chan->flags |= WPI_CHAN_ACTIVE; 3848173362Sbenjsc 3849278366Sadrian /* 3850278366Sadrian * Calculate the active/passive dwell times. 3851278366Sadrian */ 3852173362Sbenjsc 3853278366Sadrian dwell_active = wpi_get_active_dwell_time(sc, c, nssid); 3854278366Sadrian dwell_passive = wpi_get_passive_dwell_time(sc, c); 3855278366Sadrian 3856278366Sadrian /* Make sure they're valid. */ 3857278366Sadrian if (dwell_passive <= dwell_active) 3858278366Sadrian dwell_passive = dwell_active + 1; 3859278366Sadrian 3860278366Sadrian chan->active = htole16(dwell_active); 3861278366Sadrian chan->passive = htole16(dwell_passive); 3862278366Sadrian 3863278366Sadrian chan->dsp_gain = 0x6e; /* Default level */ 3864278366Sadrian 3865278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) 3866278366Sadrian chan->rf_gain = 0x3b; 3867278366Sadrian else 3868278366Sadrian chan->rf_gain = 0x28; 3869278366Sadrian 3870278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "Scanning %u Passive: %d\n", 3871280059Sadrian chan->chan, IEEE80211_IS_CHAN_PASSIVE(c)); 3872278366Sadrian 3873173362Sbenjsc hdr->nchan++; 3874173362Sbenjsc chan++; 3875173362Sbenjsc 3876278366Sadrian buflen = (uint8_t *)chan - buf; 3877278366Sadrian hdr->len = htole16(buflen); 3878173362Sbenjsc 3879278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "sending scan command nchan=%d\n", 3880278366Sadrian hdr->nchan); 3881278366Sadrian error = wpi_cmd(sc, WPI_CMD_SCAN, buf, buflen, 1); 3882278366Sadrian free(buf, M_DEVBUF); 3883173362Sbenjsc 3884280060Sadrian if (error != 0) 3885280060Sadrian goto fail; 3886280060Sadrian 3887278366Sadrian sc->sc_scan_timer = 5; 3888173362Sbenjsc 3889278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3890173362Sbenjsc 3891280060Sadrian return 0; 3892280060Sadrian 3893280060Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3894280060Sadrian 3895278366Sadrian return error; 3896278366Sadrian} 3897173362Sbenjsc 3898278366Sadrianstatic int 3899278366Sadrianwpi_auth(struct wpi_softc *sc, struct ieee80211vap *vap) 3900278366Sadrian{ 3901278366Sadrian struct ieee80211com *ic = vap->iv_ic; 3902278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 3903278366Sadrian int error; 3904173362Sbenjsc 3905278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3906278366Sadrian 3907278366Sadrian /* Update adapter configuration. */ 3908278366Sadrian sc->rxon.associd = 0; 3909278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 3910278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 3911278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 3912278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3913278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 3914278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3915278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 3916278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 3917278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 3918278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 3919278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 3920278366Sadrian sc->rxon.cck_mask = 0; 3921278366Sadrian sc->rxon.ofdm_mask = 0x15; 3922278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 3923278366Sadrian sc->rxon.cck_mask = 0x03; 3924278366Sadrian sc->rxon.ofdm_mask = 0; 3925278366Sadrian } else { 3926278366Sadrian /* Assume 802.11b/g. */ 3927278366Sadrian sc->rxon.cck_mask = 0x0f; 3928278366Sadrian sc->rxon.ofdm_mask = 0x15; 3929173362Sbenjsc } 3930173362Sbenjsc 3931278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x cck %x ofdm %x\n", 3932278366Sadrian sc->rxon.chan, sc->rxon.flags, sc->rxon.cck_mask, 3933278366Sadrian sc->rxon.ofdm_mask); 3934173362Sbenjsc 3935278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 3936278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3937278366Sadrian __func__); 3938278366Sadrian } 3939173362Sbenjsc 3940278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3941173362Sbenjsc 3942278366Sadrian return error; 3943173362Sbenjsc} 3944173362Sbenjsc 3945173362Sbenjscstatic int 3946278366Sadrianwpi_setup_beacon(struct wpi_softc *sc, struct ieee80211_node *ni) 3947173362Sbenjsc{ 3948178354Ssam struct ifnet *ifp = sc->sc_ifp; 3949178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3950278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 3951278366Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 3952278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 3953278366Sadrian struct ieee80211_beacon_offsets bo; 3954278366Sadrian struct wpi_cmd_beacon *cmd; 3955278366Sadrian struct mbuf *m; 3956278366Sadrian int totlen; 3957173362Sbenjsc 3958278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3959278366Sadrian 3960278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) 3961278366Sadrian return EINVAL; 3962278366Sadrian 3963278366Sadrian m = ieee80211_beacon_alloc(ni, &bo); 3964278366Sadrian if (m == NULL) { 3965278366Sadrian device_printf(sc->sc_dev, 3966278366Sadrian "%s: could not allocate beacon frame\n", __func__); 3967278366Sadrian return ENOMEM; 3968173362Sbenjsc } 3969278366Sadrian totlen = m->m_pkthdr.len; 3970173362Sbenjsc 3971278366Sadrian if (bcn->data == NULL) { 3972278366Sadrian cmd = malloc(sizeof(struct wpi_cmd_beacon), M_DEVBUF, 3973278366Sadrian M_NOWAIT | M_ZERO); 3974278366Sadrian 3975278366Sadrian if (cmd == NULL) { 3976278366Sadrian device_printf(sc->sc_dev, 3977278366Sadrian "could not allocate buffer for beacon command\n"); 3978278366Sadrian m_freem(m); 3979278366Sadrian return ENOMEM; 3980278366Sadrian } 3981278366Sadrian 3982278366Sadrian cmd->id = WPI_ID_BROADCAST; 3983278366Sadrian cmd->ofdm_mask = 0xff; 3984278366Sadrian cmd->cck_mask = 0x0f; 3985278366Sadrian cmd->lifetime = htole32(WPI_LIFETIME_INFINITE); 3986278366Sadrian cmd->flags = htole32(WPI_TX_AUTO_SEQ | WPI_TX_INSERT_TSTAMP); 3987278366Sadrian 3988278366Sadrian bcn->data = cmd; 3989278366Sadrian bcn->ni = NULL; 3990278366Sadrian bcn->code = WPI_CMD_SET_BEACON; 3991278366Sadrian bcn->ac = 4; 3992278366Sadrian bcn->size = sizeof(struct wpi_cmd_beacon); 3993278366Sadrian } else 3994278366Sadrian cmd = bcn->data; 3995278366Sadrian 3996278366Sadrian cmd->len = htole16(totlen); 3997278366Sadrian cmd->plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3998278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3999278366Sadrian 4000278366Sadrian /* NB: m will be freed in wpi_cmd_done() */ 4001278366Sadrian bcn->m = m; 4002278366Sadrian 4003278366Sadrian return wpi_cmd2(sc, bcn); 4004278366Sadrian} 4005278366Sadrian 4006278366Sadrianstatic void 4007278366Sadrianwpi_update_beacon(struct ieee80211vap *vap, int item) 4008278366Sadrian{ 4009280057Sadrian struct wpi_softc *sc = vap->iv_ic->ic_ifp->if_softc; 4010278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4011278366Sadrian int error; 4012278366Sadrian 4013278764Sadrian WPI_LOCK(sc); 4014278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 4015173362Sbenjsc device_printf(sc->sc_dev, 4016278366Sadrian "%s: could not update beacon frame, error %d", __func__, 4017278366Sadrian error); 4018173362Sbenjsc } 4019278764Sadrian WPI_UNLOCK(sc); 4020278366Sadrian} 4021173362Sbenjsc 4022278366Sadrianstatic int 4023278366Sadrianwpi_run(struct wpi_softc *sc, struct ieee80211vap *vap) 4024278366Sadrian{ 4025278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4026278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4027278366Sadrian int error; 4028278366Sadrian 4029278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4030278366Sadrian 4031278366Sadrian if (vap->iv_opmode == IEEE80211_M_MONITOR) { 4032278366Sadrian /* Link LED blinks while monitoring. */ 4033278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 5, 5); 4034278366Sadrian return 0; 4035173362Sbenjsc } 4036278366Sadrian 4037278366Sadrian /* XXX kernel panic workaround */ 4038278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) { 4039278366Sadrian device_printf(sc->sc_dev, "%s: incomplete configuration\n", 4040278366Sadrian __func__); 4041195562Srpaulo return EINVAL; 4042173362Sbenjsc } 4043278366Sadrian 4044278366Sadrian if ((error = wpi_set_timing(sc, ni)) != 0) { 4045278366Sadrian device_printf(sc->sc_dev, 4046278366Sadrian "%s: could not set timing, error %d\n", __func__, error); 4047173362Sbenjsc return error; 4048173362Sbenjsc } 4049173362Sbenjsc 4050278366Sadrian /* Update adapter configuration. */ 4051278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4052278366Sadrian sc->rxon.associd = htole16(IEEE80211_NODE_AID(ni)); 4053278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 4054278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4055278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 4056278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4057278366Sadrian /* Short preamble and slot time are negotiated when associating. */ 4058278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_SHPREAMBLE | WPI_RXON_SHSLOT); 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 } 4074278366Sadrian sc->rxon.filter |= htole32(WPI_FILTER_BSS); 4075173362Sbenjsc 4076278366Sadrian /* XXX put somewhere HC_QOS_SUPPORT_ASSOC + HC_IBSS_START */ 4077278366Sadrian 4078278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x\n", 4079278366Sadrian sc->rxon.chan, sc->rxon.flags); 4080278366Sadrian 4081278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4082278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4083278366Sadrian __func__); 4084173362Sbenjsc return error; 4085173362Sbenjsc } 4086173362Sbenjsc 4087278366Sadrian if (vap->iv_opmode == IEEE80211_M_IBSS) { 4088278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 4089278366Sadrian device_printf(sc->sc_dev, 4090278366Sadrian "%s: could not setup beacon, error %d\n", __func__, 4091278366Sadrian error); 4092278366Sadrian return error; 4093278366Sadrian } 4094173362Sbenjsc } 4095173362Sbenjsc 4096278366Sadrian if (vap->iv_opmode == IEEE80211_M_STA) { 4097278366Sadrian /* Add BSS node. */ 4098280077Sadrian WPI_NT_LOCK(sc); 4099280070Sadrian error = wpi_add_sta_node(sc, ni); 4100280077Sadrian WPI_NT_UNLOCK(sc); 4101280070Sadrian if (error != 0) { 4102278366Sadrian device_printf(sc->sc_dev, 4103278366Sadrian "%s: could not add BSS node, error %d\n", __func__, 4104278366Sadrian error); 4105278366Sadrian return error; 4106278366Sadrian } 4107278366Sadrian } 4108173362Sbenjsc 4109278366Sadrian /* Link LED always on while associated. */ 4110278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 4111173362Sbenjsc 4112278366Sadrian /* Start periodic calibration timer. */ 4113278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 4114173362Sbenjsc 4115278366Sadrian /* Enable power-saving mode if requested by user. */ 4116278366Sadrian if (vap->iv_flags & IEEE80211_F_PMGTON) 4117278366Sadrian (void)wpi_set_pslevel(sc, 0, 3, 1); 4118278764Sadrian else 4119278764Sadrian (void)wpi_set_pslevel(sc, 0, 0, 1); 4120173362Sbenjsc 4121278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4122173362Sbenjsc 4123278366Sadrian return 0; 4124173362Sbenjsc} 4125173362Sbenjsc 4126173362Sbenjscstatic int 4127278366Sadrianwpi_key_alloc(struct ieee80211vap *vap, struct ieee80211_key *k, 4128278366Sadrian ieee80211_keyix *keyix, ieee80211_keyix *rxkeyix) 4129173362Sbenjsc{ 4130280057Sadrian struct wpi_softc *sc = vap->iv_ic->ic_ifp->if_softc; 4131173362Sbenjsc 4132278366Sadrian if (!(&vap->iv_nw_keys[0] <= k && 4133278366Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID])) { 4134278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) { 4135278366Sadrian /* should not happen */ 4136278366Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: bogus group key\n", 4137278366Sadrian __func__); 4138278366Sadrian return 0; 4139278366Sadrian } 4140278366Sadrian *keyix = 0; /* NB: use key index 0 for ucast key */ 4141278366Sadrian } else { 4142278366Sadrian *keyix = *rxkeyix = k - vap->iv_nw_keys; 4143173362Sbenjsc 4144278366Sadrian if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_AES_CCM) 4145278366Sadrian k->wk_flags |= IEEE80211_KEY_SWCRYPT; 4146173362Sbenjsc } 4147278366Sadrian return 1; 4148173362Sbenjsc} 4149173362Sbenjsc 4150173362Sbenjscstatic int 4151278366Sadrianwpi_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k, 4152278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 4153173362Sbenjsc{ 4154278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4155278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4156278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4157278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4158280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4159278366Sadrian struct wpi_node_info node; 4160278366Sadrian uint16_t kflags; 4161278366Sadrian int error; 4162173362Sbenjsc 4163278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4164173362Sbenjsc 4165278366Sadrian switch (cip->ic_cipher) { 4166278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4167278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4168278366Sadrian return 1; 4169173362Sbenjsc 4170278366Sadrian kflags = WPI_KFLAG_CCMP; 4171278366Sadrian break; 4172278366Sadrian default: 4173278366Sadrian /* null_key_set() */ 4174278366Sadrian return 1; 4175278366Sadrian } 4176173362Sbenjsc 4177278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 4178278366Sadrian return 0; 4179173362Sbenjsc 4180278366Sadrian kflags |= WPI_KFLAG_KID(k->wk_keyix); 4181278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4182278366Sadrian kflags |= WPI_KFLAG_MULTICAST; 4183173362Sbenjsc 4184278366Sadrian memset(&node, 0, sizeof node); 4185278366Sadrian node.id = wn->id; 4186278366Sadrian node.control = WPI_NODE_UPDATE; 4187278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4188278366Sadrian node.kflags = htole16(kflags); 4189278366Sadrian memcpy(node.key, k->wk_key, k->wk_keylen); 4190173362Sbenjsc 4191278366Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "set key id=%d for node %d\n", k->wk_keyix, 4192278366Sadrian node.id); 4193173362Sbenjsc 4194278366Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4195278366Sadrian if (error != 0) { 4196278366Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4197278366Sadrian error); 4198278366Sadrian return 0; 4199173362Sbenjsc } 4200173362Sbenjsc 4201278366Sadrian return 1; 4202173362Sbenjsc} 4203173362Sbenjsc 4204278366Sadrianstatic int 4205278366Sadrianwpi_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 4206173362Sbenjsc{ 4207278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4208278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4209278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4210278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4211280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4212278366Sadrian struct wpi_node_info node; 4213173362Sbenjsc 4214278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4215173362Sbenjsc 4216278366Sadrian switch (cip->ic_cipher) { 4217278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4218278366Sadrian break; 4219278366Sadrian default: 4220278366Sadrian /* null_key_delete() */ 4221278366Sadrian return 1; 4222278366Sadrian } 4223173362Sbenjsc 4224278366Sadrian if (vap->iv_state != IEEE80211_S_RUN || 4225278366Sadrian (k->wk_flags & IEEE80211_KEY_GROUP)) 4226278366Sadrian return 1; /* Nothing to do. */ 4227173362Sbenjsc 4228278366Sadrian memset(&node, 0, sizeof node); 4229278366Sadrian node.id = wn->id; 4230278366Sadrian node.control = WPI_NODE_UPDATE; 4231278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4232173362Sbenjsc 4233278366Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "delete keys for node %d\n", node.id); 4234278366Sadrian (void)wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4235173362Sbenjsc 4236278366Sadrian return 1; 4237173362Sbenjsc} 4238173362Sbenjsc 4239278366Sadrian/* 4240278366Sadrian * This function is called after the runtime firmware notifies us of its 4241278366Sadrian * readiness (called in a process context). 4242278366Sadrian */ 4243278366Sadrianstatic int 4244278366Sadrianwpi_post_alive(struct wpi_softc *sc) 4245177043Sthompsa{ 4246278366Sadrian int ntries, error; 4247177043Sthompsa 4248278366Sadrian /* Check (again) that the radio is not disabled. */ 4249278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4250278366Sadrian return error; 4251177043Sthompsa 4252278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4253278366Sadrian 4254278366Sadrian /* NB: Runtime firmware must be up and running. */ 4255278366Sadrian if (!(wpi_prph_read(sc, WPI_APMG_RFKILL) & 1)) { 4256278366Sadrian device_printf(sc->sc_dev, 4257278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4258278366Sadrian wpi_nic_unlock(sc); 4259278366Sadrian return EPERM; /* :-) */ 4260278366Sadrian } 4261278366Sadrian wpi_nic_unlock(sc); 4262278366Sadrian 4263278366Sadrian /* Wait for thermal sensor to calibrate. */ 4264177043Sthompsa for (ntries = 0; ntries < 1000; ntries++) { 4265278366Sadrian if ((sc->temp = (int)WPI_READ(sc, WPI_UCODE_GP2)) != 0) 4266177043Sthompsa break; 4267177043Sthompsa DELAY(10); 4268177043Sthompsa } 4269177043Sthompsa 4270177043Sthompsa if (ntries == 1000) { 4271177043Sthompsa device_printf(sc->sc_dev, 4272278366Sadrian "timeout waiting for thermal sensor calibration\n"); 4273280059Sadrian return ETIMEDOUT; 4274280059Sadrian } 4275177043Sthompsa 4276280059Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d\n", sc->temp); 4277280059Sadrian return 0; 4278278366Sadrian} 4279177043Sthompsa 4280278366Sadrian/* 4281278366Sadrian * The firmware boot code is small and is intended to be copied directly into 4282278366Sadrian * the NIC internal memory (no DMA transfer). 4283278366Sadrian */ 4284278366Sadrianstatic int 4285278366Sadrianwpi_load_bootcode(struct wpi_softc *sc, const uint8_t *ucode, int size) 4286278366Sadrian{ 4287278366Sadrian int error, ntries; 4288177043Sthompsa 4289278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, "Loading microcode size 0x%x\n", size); 4290278366Sadrian 4291278366Sadrian size /= sizeof (uint32_t); 4292278366Sadrian 4293278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4294278366Sadrian return error; 4295278366Sadrian 4296278366Sadrian /* Copy microcode image into NIC memory. */ 4297278366Sadrian wpi_prph_write_region_4(sc, WPI_BSM_SRAM_BASE, 4298278366Sadrian (const uint32_t *)ucode, size); 4299278366Sadrian 4300278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_SRC, 0); 4301278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_DST, WPI_FW_TEXT_BASE); 4302278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_DWCOUNT, size); 4303278366Sadrian 4304278366Sadrian /* Start boot load now. */ 4305278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START); 4306278366Sadrian 4307278366Sadrian /* Wait for transfer to complete. */ 4308278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 4309278366Sadrian uint32_t status = WPI_READ(sc, WPI_FH_TX_STATUS); 4310278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4311278366Sadrian "firmware status=0x%x, val=0x%x, result=0x%x\n", status, 4312278366Sadrian WPI_FH_TX_STATUS_IDLE(6), 4313278366Sadrian status & WPI_FH_TX_STATUS_IDLE(6)); 4314278366Sadrian if (status & WPI_FH_TX_STATUS_IDLE(6)) { 4315278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4316278366Sadrian "Status Match! - ntries = %d\n", ntries); 4317278366Sadrian break; 4318178354Ssam } 4319278366Sadrian DELAY(10); 4320177043Sthompsa } 4321278366Sadrian if (ntries == 1000) { 4322278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4323278366Sadrian __func__); 4324278366Sadrian wpi_nic_unlock(sc); 4325278366Sadrian return ETIMEDOUT; 4326278366Sadrian } 4327177043Sthompsa 4328278366Sadrian /* Enable boot after power up. */ 4329278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START_EN); 4330278366Sadrian 4331278366Sadrian wpi_nic_unlock(sc); 4332278366Sadrian return 0; 4333177043Sthompsa} 4334177043Sthompsa 4335278366Sadrianstatic int 4336278366Sadrianwpi_load_firmware(struct wpi_softc *sc) 4337177043Sthompsa{ 4338278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4339278366Sadrian struct wpi_dma_info *dma = &sc->fw_dma; 4340278366Sadrian int error; 4341173362Sbenjsc 4342278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4343173362Sbenjsc 4344278366Sadrian /* Copy initialization sections into pre-allocated DMA-safe memory. */ 4345278366Sadrian memcpy(dma->vaddr, fw->init.data, fw->init.datasz); 4346278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4347278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->init.text, fw->init.textsz); 4348278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4349173362Sbenjsc 4350278366Sadrian /* Tell adapter where to find initialization sections. */ 4351278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4352278366Sadrian return error; 4353278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4354278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->init.datasz); 4355278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4356278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4357278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, fw->init.textsz); 4358278366Sadrian wpi_nic_unlock(sc); 4359173362Sbenjsc 4360278366Sadrian /* Load firmware boot code. */ 4361278366Sadrian error = wpi_load_bootcode(sc, fw->boot.text, fw->boot.textsz); 4362278366Sadrian if (error != 0) { 4363278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4364278366Sadrian __func__); 4365278366Sadrian return error; 4366278366Sadrian } 4367173362Sbenjsc 4368278366Sadrian /* Now press "execute". */ 4369278366Sadrian WPI_WRITE(sc, WPI_RESET, 0); 4370173362Sbenjsc 4371278366Sadrian /* Wait at most one second for first alive notification. */ 4372280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4373278366Sadrian device_printf(sc->sc_dev, 4374278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4375278366Sadrian __func__, error); 4376278366Sadrian return error; 4377173362Sbenjsc } 4378173362Sbenjsc 4379278366Sadrian /* Copy runtime sections into pre-allocated DMA-safe memory. */ 4380278366Sadrian memcpy(dma->vaddr, fw->main.data, fw->main.datasz); 4381278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4382278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->main.text, fw->main.textsz); 4383278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4384173362Sbenjsc 4385278366Sadrian /* Tell adapter where to find runtime sections. */ 4386278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4387278366Sadrian return error; 4388278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4389278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->main.datasz); 4390278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4391278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4392278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, 4393278366Sadrian WPI_FW_UPDATED | fw->main.textsz); 4394278366Sadrian wpi_nic_unlock(sc); 4395173362Sbenjsc 4396278366Sadrian return 0; 4397278366Sadrian} 4398173362Sbenjsc 4399278366Sadrianstatic int 4400278366Sadrianwpi_read_firmware(struct wpi_softc *sc) 4401278366Sadrian{ 4402278366Sadrian const struct firmware *fp; 4403278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4404278366Sadrian const struct wpi_firmware_hdr *hdr; 4405278366Sadrian int error; 4406173362Sbenjsc 4407278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4408278366Sadrian 4409278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4410278366Sadrian "Attempting Loading Firmware from %s module\n", WPI_FW_NAME); 4411278366Sadrian 4412278366Sadrian WPI_UNLOCK(sc); 4413278366Sadrian fp = firmware_get(WPI_FW_NAME); 4414278366Sadrian WPI_LOCK(sc); 4415278366Sadrian 4416278366Sadrian if (fp == NULL) { 4417278366Sadrian device_printf(sc->sc_dev, 4418278366Sadrian "could not load firmware image '%s'\n", WPI_FW_NAME); 4419278366Sadrian return EINVAL; 4420173362Sbenjsc } 4421173362Sbenjsc 4422278366Sadrian sc->fw_fp = fp; 4423173362Sbenjsc 4424278366Sadrian if (fp->datasize < sizeof (struct wpi_firmware_hdr)) { 4425278366Sadrian device_printf(sc->sc_dev, 4426278366Sadrian "firmware file too short: %zu bytes\n", fp->datasize); 4427278366Sadrian error = EINVAL; 4428278366Sadrian goto fail; 4429173362Sbenjsc } 4430173362Sbenjsc 4431278366Sadrian fw->size = fp->datasize; 4432278366Sadrian fw->data = (const uint8_t *)fp->data; 4433278366Sadrian 4434278366Sadrian /* Extract firmware header information. */ 4435278366Sadrian hdr = (const struct wpi_firmware_hdr *)fw->data; 4436278366Sadrian 4437278366Sadrian /* | RUNTIME FIRMWARE | INIT FIRMWARE | BOOT FW | 4438278366Sadrian |HDR|<--TEXT-->|<--DATA-->|<--TEXT-->|<--DATA-->|<--TEXT-->| */ 4439278366Sadrian 4440278366Sadrian fw->main.textsz = le32toh(hdr->rtextsz); 4441278366Sadrian fw->main.datasz = le32toh(hdr->rdatasz); 4442278366Sadrian fw->init.textsz = le32toh(hdr->itextsz); 4443278366Sadrian fw->init.datasz = le32toh(hdr->idatasz); 4444278366Sadrian fw->boot.textsz = le32toh(hdr->btextsz); 4445278366Sadrian fw->boot.datasz = 0; 4446278366Sadrian 4447278366Sadrian /* Sanity-check firmware header. */ 4448278366Sadrian if (fw->main.textsz > WPI_FW_TEXT_MAXSZ || 4449278366Sadrian fw->main.datasz > WPI_FW_DATA_MAXSZ || 4450278366Sadrian fw->init.textsz > WPI_FW_TEXT_MAXSZ || 4451278366Sadrian fw->init.datasz > WPI_FW_DATA_MAXSZ || 4452278366Sadrian fw->boot.textsz > WPI_FW_BOOT_TEXT_MAXSZ || 4453278366Sadrian (fw->boot.textsz & 3) != 0) { 4454278366Sadrian device_printf(sc->sc_dev, "invalid firmware header\n"); 4455278366Sadrian error = EINVAL; 4456278366Sadrian goto fail; 4457173362Sbenjsc } 4458173362Sbenjsc 4459278366Sadrian /* Check that all firmware sections fit. */ 4460278366Sadrian if (fw->size < sizeof (*hdr) + fw->main.textsz + fw->main.datasz + 4461278366Sadrian fw->init.textsz + fw->init.datasz + fw->boot.textsz) { 4462173362Sbenjsc device_printf(sc->sc_dev, 4463278366Sadrian "firmware file too short: %zu bytes\n", fw->size); 4464278366Sadrian error = EINVAL; 4465278366Sadrian goto fail; 4466173362Sbenjsc } 4467173362Sbenjsc 4468278366Sadrian /* Get pointers to firmware sections. */ 4469278366Sadrian fw->main.text = (const uint8_t *)(hdr + 1); 4470278366Sadrian fw->main.data = fw->main.text + fw->main.textsz; 4471278366Sadrian fw->init.text = fw->main.data + fw->main.datasz; 4472278366Sadrian fw->init.data = fw->init.text + fw->init.textsz; 4473278366Sadrian fw->boot.text = fw->init.data + fw->init.datasz; 4474177043Sthompsa 4475278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4476278366Sadrian "Firmware Version: Major %d, Minor %d, Driver %d, \n" 4477280066Sadrian "runtime (text: %u, data: %u) init (text: %u, data %u) " 4478280066Sadrian "boot (text %u)\n", hdr->major, hdr->minor, le32toh(hdr->driver), 4479278366Sadrian fw->main.textsz, fw->main.datasz, 4480278366Sadrian fw->init.textsz, fw->init.datasz, fw->boot.textsz); 4481278366Sadrian 4482278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.text %p\n", fw->main.text); 4483278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.data %p\n", fw->main.data); 4484278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.text %p\n", fw->init.text); 4485278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.data %p\n", fw->init.data); 4486278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->boot.text %p\n", fw->boot.text); 4487278366Sadrian 4488278366Sadrian return 0; 4489278366Sadrian 4490278366Sadrianfail: wpi_unload_firmware(sc); 4491278366Sadrian return error; 4492173362Sbenjsc} 4493173362Sbenjsc 4494278366Sadrian/** 4495278366Sadrian * Free the referenced firmware image 4496278366Sadrian */ 4497173362Sbenjscstatic void 4498278366Sadrianwpi_unload_firmware(struct wpi_softc *sc) 4499173362Sbenjsc{ 4500278366Sadrian if (sc->fw_fp != NULL) { 4501278366Sadrian firmware_put(sc->fw_fp, FIRMWARE_UNLOAD); 4502278366Sadrian sc->fw_fp = NULL; 4503278366Sadrian } 4504278366Sadrian} 4505173362Sbenjsc 4506278366Sadrianstatic int 4507278366Sadrianwpi_clock_wait(struct wpi_softc *sc) 4508278366Sadrian{ 4509278366Sadrian int ntries; 4510173362Sbenjsc 4511278366Sadrian /* Set "initialization complete" bit. */ 4512278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4513278366Sadrian 4514278366Sadrian /* Wait for clock stabilization. */ 4515278366Sadrian for (ntries = 0; ntries < 2500; ntries++) { 4516278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_MAC_CLOCK_READY) 4517278366Sadrian return 0; 4518278366Sadrian DELAY(100); 4519278366Sadrian } 4520278366Sadrian device_printf(sc->sc_dev, 4521278366Sadrian "%s: timeout waiting for clock stabilization\n", __func__); 4522278366Sadrian 4523278366Sadrian return ETIMEDOUT; 4524173362Sbenjsc} 4525178354Ssam 4526278366Sadrianstatic int 4527278366Sadrianwpi_apm_init(struct wpi_softc *sc) 4528173362Sbenjsc{ 4529278366Sadrian uint32_t reg; 4530278366Sadrian int error; 4531173362Sbenjsc 4532278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4533173362Sbenjsc 4534278366Sadrian /* Disable L0s exit timer (NMI bug workaround). */ 4535278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_DIS_L0S_TIMER); 4536278366Sadrian /* Don't wait for ICH L0s (ICH bug workaround). */ 4537278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_L1A_NO_L0S_RX); 4538173362Sbenjsc 4539278366Sadrian /* Set FH wait threshold to max (HW bug under stress workaround). */ 4540278366Sadrian WPI_SETBITS(sc, WPI_DBG_HPET_MEM, 0xffff0000); 4541173362Sbenjsc 4542278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 4543278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 4544278366Sadrian /* Workaround for HW instability in PCIe L0->L0s->L1 transition. */ 4545278366Sadrian if (reg & 0x02) /* L1 Entry enabled. */ 4546278366Sadrian WPI_SETBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4547278366Sadrian else 4548278366Sadrian WPI_CLRBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4549173362Sbenjsc 4550278366Sadrian WPI_SETBITS(sc, WPI_ANA_PLL, WPI_ANA_PLL_INIT); 4551173362Sbenjsc 4552278366Sadrian /* Wait for clock stabilization before accessing prph. */ 4553278366Sadrian if ((error = wpi_clock_wait(sc)) != 0) 4554278366Sadrian return error; 4555173362Sbenjsc 4556278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4557278366Sadrian return error; 4558278366Sadrian /* Enable DMA and BSM (Bootstrap State Machine). */ 4559278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_EN, 4560278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT | WPI_APMG_CLK_CTRL_BSM_CLK_RQT); 4561278366Sadrian DELAY(20); 4562278366Sadrian /* Disable L1-Active. */ 4563278366Sadrian wpi_prph_setbits(sc, WPI_APMG_PCI_STT, WPI_APMG_PCI_STT_L1A_DIS); 4564278764Sadrian /* ??? */ 4565278764Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, 0x00000E00); 4566278366Sadrian wpi_nic_unlock(sc); 4567173362Sbenjsc 4568278366Sadrian return 0; 4569278366Sadrian} 4570173362Sbenjsc 4571278366Sadrianstatic void 4572278366Sadrianwpi_apm_stop_master(struct wpi_softc *sc) 4573278366Sadrian{ 4574278366Sadrian int ntries; 4575278366Sadrian 4576278366Sadrian /* Stop busmaster DMA activity. */ 4577278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_STOP_MASTER); 4578278366Sadrian 4579278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_PS_MASK) == 4580278366Sadrian WPI_GP_CNTRL_MAC_PS) 4581278366Sadrian return; /* Already asleep. */ 4582278366Sadrian 4583278366Sadrian for (ntries = 0; ntries < 100; ntries++) { 4584278366Sadrian if (WPI_READ(sc, WPI_RESET) & WPI_RESET_MASTER_DISABLED) 4585278366Sadrian return; 4586278366Sadrian DELAY(10); 4587278366Sadrian } 4588280066Sadrian device_printf(sc->sc_dev, "%s: timeout waiting for master\n", 4589280066Sadrian __func__); 4590173362Sbenjsc} 4591173362Sbenjsc 4592173362Sbenjscstatic void 4593278366Sadrianwpi_apm_stop(struct wpi_softc *sc) 4594173362Sbenjsc{ 4595278366Sadrian wpi_apm_stop_master(sc); 4596278366Sadrian 4597278366Sadrian /* Reset the entire device. */ 4598278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_SW); 4599278366Sadrian DELAY(10); 4600278366Sadrian /* Clear "initialization complete" bit. */ 4601278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4602173362Sbenjsc} 4603173362Sbenjsc 4604173362Sbenjscstatic void 4605278366Sadrianwpi_nic_config(struct wpi_softc *sc) 4606173362Sbenjsc{ 4607278366Sadrian uint32_t rev; 4608173362Sbenjsc 4609278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4610177043Sthompsa 4611278366Sadrian /* voodoo from the Linux "driver".. */ 4612278366Sadrian rev = pci_read_config(sc->sc_dev, PCIR_REVID, 1); 4613278366Sadrian if ((rev & 0xc0) == 0x40) 4614278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MB); 4615278366Sadrian else if (!(rev & 0x80)) 4616278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MM); 4617173362Sbenjsc 4618278366Sadrian if (sc->cap == 0x80) 4619278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_SKU_MRC); 4620173362Sbenjsc 4621280076Sadrian if ((sc->rev & 0xf0) == 0xd0) 4622278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4623278366Sadrian else 4624278366Sadrian WPI_CLRBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4625278366Sadrian 4626278366Sadrian if (sc->type > 1) 4627278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_TYPE_B); 4628173362Sbenjsc} 4629173362Sbenjsc 4630278366Sadrianstatic int 4631278366Sadrianwpi_hw_init(struct wpi_softc *sc) 4632173362Sbenjsc{ 4633278366Sadrian int chnl, ntries, error; 4634178354Ssam 4635278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4636278366Sadrian 4637278366Sadrian /* Clear pending interrupts. */ 4638278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4639278366Sadrian 4640278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 4641278366Sadrian device_printf(sc->sc_dev, 4642278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 4643278366Sadrian error); 4644278366Sadrian return error; 4645173362Sbenjsc } 4646173362Sbenjsc 4647278366Sadrian /* Select VMAIN power source. */ 4648278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4649278366Sadrian return error; 4650278366Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, WPI_APMG_PS_PWR_SRC_MASK); 4651278366Sadrian wpi_nic_unlock(sc); 4652278366Sadrian /* Spin until VMAIN gets selected. */ 4653278366Sadrian for (ntries = 0; ntries < 5000; ntries++) { 4654278366Sadrian if (WPI_READ(sc, WPI_GPIO_IN) & WPI_GPIO_IN_VMAIN) 4655278366Sadrian break; 4656278366Sadrian DELAY(10); 4657278366Sadrian } 4658278366Sadrian if (ntries == 5000) { 4659278366Sadrian device_printf(sc->sc_dev, "timeout selecting power source\n"); 4660278366Sadrian return ETIMEDOUT; 4661278366Sadrian } 4662173362Sbenjsc 4663278366Sadrian /* Perform adapter initialization. */ 4664278366Sadrian wpi_nic_config(sc); 4665173362Sbenjsc 4666278366Sadrian /* Initialize RX ring. */ 4667278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4668278366Sadrian return error; 4669278366Sadrian /* Set physical address of RX ring. */ 4670278366Sadrian WPI_WRITE(sc, WPI_FH_RX_BASE, sc->rxq.desc_dma.paddr); 4671278366Sadrian /* Set physical address of RX read pointer. */ 4672278366Sadrian WPI_WRITE(sc, WPI_FH_RX_RPTR_ADDR, sc->shared_dma.paddr + 4673278366Sadrian offsetof(struct wpi_shared, next)); 4674278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, 0); 4675278366Sadrian /* Enable RX. */ 4676278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 4677278366Sadrian WPI_FH_RX_CONFIG_DMA_ENA | 4678278366Sadrian WPI_FH_RX_CONFIG_RDRBD_ENA | 4679278366Sadrian WPI_FH_RX_CONFIG_WRSTATUS_ENA | 4680278366Sadrian WPI_FH_RX_CONFIG_MAXFRAG | 4681278366Sadrian WPI_FH_RX_CONFIG_NRBD(WPI_RX_RING_COUNT_LOG) | 4682278366Sadrian WPI_FH_RX_CONFIG_IRQ_DST_HOST | 4683278366Sadrian WPI_FH_RX_CONFIG_IRQ_TIMEOUT(1)); 4684278366Sadrian (void)WPI_READ(sc, WPI_FH_RSSR_TBL); /* barrier */ 4685278366Sadrian wpi_nic_unlock(sc); 4686278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, (WPI_RX_RING_COUNT - 1) & ~7); 4687173362Sbenjsc 4688278366Sadrian /* Initialize TX rings. */ 4689278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4690278366Sadrian return error; 4691278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 2); /* bypass mode */ 4692278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_ARASTAT, 1); /* enable RA0 */ 4693278366Sadrian /* Enable all 6 TX rings. */ 4694278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0x3f); 4695278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE1, 0x10000); 4696278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE2, 0x30002); 4697278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF4MF, 4); 4698278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF5MF, 5); 4699278366Sadrian /* Set physical address of TX rings. */ 4700278366Sadrian WPI_WRITE(sc, WPI_FH_TX_BASE, sc->shared_dma.paddr); 4701278366Sadrian WPI_WRITE(sc, WPI_FH_MSG_CONFIG, 0xffff05a5); 4702278366Sadrian 4703278366Sadrian /* Enable all DMA channels. */ 4704278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 4705278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_CTRL(chnl), 0); 4706278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_BASE(chnl), 0); 4707278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0x80200008); 4708173362Sbenjsc } 4709278366Sadrian wpi_nic_unlock(sc); 4710278366Sadrian (void)WPI_READ(sc, WPI_FH_TX_BASE); /* barrier */ 4711278366Sadrian 4712278366Sadrian /* Clear "radio off" and "commands blocked" bits. */ 4713278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4714278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_CMD_BLOCKED); 4715278366Sadrian 4716278366Sadrian /* Clear pending interrupts. */ 4717278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4718278366Sadrian /* Enable interrupts. */ 4719278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 4720278366Sadrian 4721278366Sadrian /* _Really_ make sure "radio off" bit is cleared! */ 4722278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4723278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4724278366Sadrian 4725278366Sadrian if ((error = wpi_load_firmware(sc)) != 0) { 4726278366Sadrian device_printf(sc->sc_dev, 4727278366Sadrian "%s: could not load firmware, error %d\n", __func__, 4728278366Sadrian error); 4729278366Sadrian return error; 4730278366Sadrian } 4731278366Sadrian /* Wait at most one second for firmware alive notification. */ 4732280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4733278366Sadrian device_printf(sc->sc_dev, 4734278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4735278366Sadrian __func__, error); 4736278366Sadrian return error; 4737278366Sadrian } 4738278366Sadrian 4739278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4740278366Sadrian 4741278366Sadrian /* Do post-firmware initialization. */ 4742278366Sadrian return wpi_post_alive(sc); 4743173362Sbenjsc} 4744173362Sbenjsc 4745173362Sbenjscstatic void 4746278366Sadrianwpi_hw_stop(struct wpi_softc *sc) 4747173362Sbenjsc{ 4748278366Sadrian int chnl, qid, ntries; 4749173362Sbenjsc 4750278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4751173362Sbenjsc 4752278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) 4753278366Sadrian wpi_nic_lock(sc); 4754173362Sbenjsc 4755278366Sadrian WPI_WRITE(sc, WPI_RESET, WPI_RESET_NEVO); 4756173362Sbenjsc 4757278366Sadrian /* Disable interrupts. */ 4758278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 4759278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4760278366Sadrian WPI_WRITE(sc, WPI_FH_INT, 0xffffffff); 4761173362Sbenjsc 4762278366Sadrian /* Make sure we no longer hold the NIC lock. */ 4763278366Sadrian wpi_nic_unlock(sc); 4764173362Sbenjsc 4765278366Sadrian if (wpi_nic_lock(sc) == 0) { 4766278366Sadrian /* Stop TX scheduler. */ 4767278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 0); 4768278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0); 4769179957Sthompsa 4770278366Sadrian /* Stop all DMA channels. */ 4771278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 4772278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0); 4773278366Sadrian for (ntries = 0; ntries < 200; ntries++) { 4774278366Sadrian if (WPI_READ(sc, WPI_FH_TX_STATUS) & 4775278366Sadrian WPI_FH_TX_STATUS_IDLE(chnl)) 4776278366Sadrian break; 4777278366Sadrian DELAY(10); 4778278366Sadrian } 4779173362Sbenjsc } 4780278366Sadrian wpi_nic_unlock(sc); 4781278366Sadrian } 4782173362Sbenjsc 4783278366Sadrian /* Stop RX ring. */ 4784278366Sadrian wpi_reset_rx_ring(sc); 4785173362Sbenjsc 4786278366Sadrian /* Reset all TX rings. */ 4787278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 4788278366Sadrian wpi_reset_tx_ring(sc, &sc->txq[qid]); 4789173362Sbenjsc 4790278366Sadrian if (wpi_nic_lock(sc) == 0) { 4791278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 4792278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT); 4793278366Sadrian wpi_nic_unlock(sc); 4794173362Sbenjsc } 4795278366Sadrian DELAY(5); 4796278366Sadrian /* Power OFF adapter. */ 4797278366Sadrian wpi_apm_stop(sc); 4798173362Sbenjsc} 4799173362Sbenjsc 4800173362Sbenjscstatic void 4801278366Sadrianwpi_radio_on(void *arg0, int pending) 4802173362Sbenjsc{ 4803278366Sadrian struct wpi_softc *sc = arg0; 4804278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4805278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 4806278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4807173362Sbenjsc 4808278366Sadrian device_printf(sc->sc_dev, "RF switch: radio enabled\n"); 4809173362Sbenjsc 4810278366Sadrian if (vap != NULL) { 4811278366Sadrian wpi_init(sc); 4812278366Sadrian ieee80211_init(vap); 4813278366Sadrian } 4814173362Sbenjsc 4815278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL) { 4816278366Sadrian WPI_LOCK(sc); 4817278366Sadrian callout_stop(&sc->watchdog_rfkill); 4818278366Sadrian WPI_UNLOCK(sc); 4819173362Sbenjsc } 4820173362Sbenjsc} 4821173362Sbenjsc 4822278366Sadrianstatic void 4823278366Sadrianwpi_radio_off(void *arg0, int pending) 4824173362Sbenjsc{ 4825278366Sadrian struct wpi_softc *sc = arg0; 4826178354Ssam struct ifnet *ifp = sc->sc_ifp; 4827178354Ssam struct ieee80211com *ic = ifp->if_l2com; 4828278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4829173362Sbenjsc 4830278366Sadrian device_printf(sc->sc_dev, "RF switch: radio disabled\n"); 4831173362Sbenjsc 4832278366Sadrian wpi_stop(sc); 4833278366Sadrian if (vap != NULL) 4834278366Sadrian ieee80211_stop(vap); 4835173362Sbenjsc 4836280053Sadrian WPI_LOCK(sc); 4837278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, sc); 4838280053Sadrian WPI_UNLOCK(sc); 4839278366Sadrian} 4840173362Sbenjsc 4841278366Sadrianstatic void 4842278366Sadrianwpi_init_locked(struct wpi_softc *sc) 4843278366Sadrian{ 4844278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4845278366Sadrian int error; 4846173362Sbenjsc 4847278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4848173362Sbenjsc 4849278366Sadrian WPI_LOCK_ASSERT(sc); 4850278366Sadrian 4851278366Sadrian /* Check that the radio is not disabled by hardware switch. */ 4852278366Sadrian if (!(WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL)) { 4853278366Sadrian device_printf(sc->sc_dev, 4854278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4855278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 4856278366Sadrian sc); 4857278366Sadrian return; 4858173362Sbenjsc } 4859173362Sbenjsc 4860278366Sadrian /* Read firmware images from the filesystem. */ 4861278366Sadrian if ((error = wpi_read_firmware(sc)) != 0) { 4862278366Sadrian device_printf(sc->sc_dev, 4863278366Sadrian "%s: could not read firmware, error %d\n", __func__, 4864278366Sadrian error); 4865278366Sadrian goto fail; 4866278366Sadrian } 4867173362Sbenjsc 4868278366Sadrian /* Initialize hardware and upload firmware. */ 4869278366Sadrian error = wpi_hw_init(sc); 4870278366Sadrian wpi_unload_firmware(sc); 4871278366Sadrian if (error != 0) { 4872278366Sadrian device_printf(sc->sc_dev, 4873278366Sadrian "%s: could not initialize hardware, error %d\n", __func__, 4874278366Sadrian error); 4875278366Sadrian goto fail; 4876278366Sadrian } 4877173362Sbenjsc 4878278366Sadrian /* Configure adapter now that it is ready. */ 4879280071Sadrian sc->txq_active = 1; 4880278366Sadrian if ((error = wpi_config(sc)) != 0) { 4881278366Sadrian device_printf(sc->sc_dev, 4882278366Sadrian "%s: could not configure device, error %d\n", __func__, 4883278366Sadrian error); 4884278366Sadrian goto fail; 4885278366Sadrian } 4886173362Sbenjsc 4887278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 4888278366Sadrian ifp->if_drv_flags |= IFF_DRV_RUNNING; 4889173362Sbenjsc 4890278366Sadrian callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 4891173362Sbenjsc 4892278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4893173362Sbenjsc 4894278366Sadrian return; 4895173362Sbenjsc 4896278366Sadrianfail: wpi_stop_locked(sc); 4897278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 4898278366Sadrian} 4899173362Sbenjsc 4900278366Sadrianstatic void 4901278366Sadrianwpi_init(void *arg) 4902278366Sadrian{ 4903278366Sadrian struct wpi_softc *sc = arg; 4904278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4905278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 4906173362Sbenjsc 4907278366Sadrian WPI_LOCK(sc); 4908278366Sadrian wpi_init_locked(sc); 4909278366Sadrian WPI_UNLOCK(sc); 4910173362Sbenjsc 4911278366Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 4912278366Sadrian ieee80211_start_all(ic); 4913278366Sadrian} 4914173362Sbenjsc 4915278366Sadrianstatic void 4916278366Sadrianwpi_stop_locked(struct wpi_softc *sc) 4917278366Sadrian{ 4918278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4919173362Sbenjsc 4920278366Sadrian WPI_LOCK_ASSERT(sc); 4921278366Sadrian 4922280071Sadrian WPI_TXQ_LOCK(sc); 4923280071Sadrian sc->txq_active = 0; 4924280071Sadrian WPI_TXQ_UNLOCK(sc); 4925280071Sadrian 4926278366Sadrian sc->sc_scan_timer = 0; 4927278366Sadrian sc->sc_tx_timer = 0; 4928278366Sadrian callout_stop(&sc->watchdog_to); 4929278366Sadrian callout_stop(&sc->calib_to); 4930278366Sadrian ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 4931278366Sadrian 4932278366Sadrian /* Power OFF hardware. */ 4933278366Sadrian wpi_hw_stop(sc); 4934173362Sbenjsc} 4935173362Sbenjsc 4936278366Sadrianstatic void 4937278366Sadrianwpi_stop(struct wpi_softc *sc) 4938278366Sadrian{ 4939278366Sadrian WPI_LOCK(sc); 4940278366Sadrian wpi_stop_locked(sc); 4941278366Sadrian WPI_UNLOCK(sc); 4942278366Sadrian} 4943278366Sadrian 4944278366Sadrian/* 4945278366Sadrian * Callback from net80211 to start a scan. 4946173362Sbenjsc */ 4947173362Sbenjscstatic void 4948173362Sbenjscwpi_scan_start(struct ieee80211com *ic) 4949173362Sbenjsc{ 4950280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4951173362Sbenjsc 4952191746Sthompsa wpi_set_led(sc, WPI_LED_LINK, 20, 2); 4953173362Sbenjsc} 4954173362Sbenjsc 4955278366Sadrian/* 4956278366Sadrian * Callback from net80211 to terminate a scan. 4957173362Sbenjsc */ 4958173362Sbenjscstatic void 4959173362Sbenjscwpi_scan_end(struct ieee80211com *ic) 4960173362Sbenjsc{ 4961278366Sadrian struct ifnet *ifp = ic->ic_ifp; 4962278366Sadrian struct wpi_softc *sc = ifp->if_softc; 4963278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4964278366Sadrian 4965280073Sadrian if (vap->iv_state == IEEE80211_S_RUN) 4966278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 4967173362Sbenjsc} 4968173362Sbenjsc 4969173362Sbenjsc/** 4970173362Sbenjsc * Called by the net80211 framework to indicate to the driver 4971173362Sbenjsc * that the channel should be changed 4972173362Sbenjsc */ 4973173362Sbenjscstatic void 4974173362Sbenjscwpi_set_channel(struct ieee80211com *ic) 4975173362Sbenjsc{ 4976278366Sadrian const struct ieee80211_channel *c = ic->ic_curchan; 4977173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 4978173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 4979191746Sthompsa int error; 4980173362Sbenjsc 4981278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4982278366Sadrian 4983278366Sadrian WPI_LOCK(sc); 4984278366Sadrian sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq); 4985278366Sadrian sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags); 4986278366Sadrian sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq); 4987278366Sadrian sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags); 4988278366Sadrian 4989177043Sthompsa /* 4990177043Sthompsa * Only need to set the channel in Monitor mode. AP scanning and auth 4991177043Sthompsa * are already taken care of by their respective firmware commands. 4992177043Sthompsa */ 4993191746Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 4994278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 4995278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) { 4996278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | 4997278366Sadrian WPI_RXON_24GHZ); 4998278366Sadrian } else { 4999278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_AUTO | 5000278366Sadrian WPI_RXON_24GHZ); 5001278366Sadrian } 5002278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) 5003191746Sthompsa device_printf(sc->sc_dev, 5004278366Sadrian "%s: error %d settting channel\n", __func__, 5005278366Sadrian error); 5006191746Sthompsa } 5007278366Sadrian WPI_UNLOCK(sc); 5008173362Sbenjsc} 5009173362Sbenjsc 5010173362Sbenjsc/** 5011173362Sbenjsc * Called by net80211 to indicate that we need to scan the current 5012173362Sbenjsc * channel. The channel is previously be set via the wpi_set_channel 5013173362Sbenjsc * callback. 5014173362Sbenjsc */ 5015173362Sbenjscstatic void 5016178354Ssamwpi_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 5017173362Sbenjsc{ 5018178354Ssam struct ieee80211vap *vap = ss->ss_vap; 5019278366Sadrian struct ieee80211com *ic = vap->iv_ic; 5020280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 5021278366Sadrian int error; 5022173362Sbenjsc 5023278366Sadrian if (sc->rxon.chan != ieee80211_chan2ieee(ic, ic->ic_curchan)) { 5024278366Sadrian WPI_LOCK(sc); 5025278366Sadrian error = wpi_scan(sc, ic->ic_curchan); 5026278366Sadrian WPI_UNLOCK(sc); 5027278366Sadrian if (error != 0) 5028278366Sadrian ieee80211_cancel_scan(vap); 5029278366Sadrian } else { 5030278366Sadrian /* Send probe request when associated. */ 5031278366Sadrian sc->sc_scan_curchan(ss, maxdwell); 5032278366Sadrian } 5033173362Sbenjsc} 5034173362Sbenjsc 5035173362Sbenjsc/** 5036173362Sbenjsc * Called by the net80211 framework to indicate 5037173362Sbenjsc * the minimum dwell time has been met, terminate the scan. 5038173362Sbenjsc * We don't actually terminate the scan as the firmware will notify 5039173362Sbenjsc * us when it's finished and we have no way to interrupt it. 5040173362Sbenjsc */ 5041173362Sbenjscstatic void 5042178354Ssamwpi_scan_mindwell(struct ieee80211_scan_state *ss) 5043173362Sbenjsc{ 5044173362Sbenjsc /* NB: don't try to abort scan; wait for firmware to finish */ 5045173362Sbenjsc} 5046173362Sbenjsc 5047173362Sbenjscstatic void 5048278366Sadrianwpi_hw_reset(void *arg, int pending) 5049173362Sbenjsc{ 5050191746Sthompsa struct wpi_softc *sc = arg; 5051177043Sthompsa struct ifnet *ifp = sc->sc_ifp; 5052191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 5053278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5054173362Sbenjsc 5055278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5056173362Sbenjsc 5057278366Sadrian wpi_stop(sc); 5058278366Sadrian if (vap != NULL) 5059278366Sadrian ieee80211_stop(vap); 5060278366Sadrian wpi_init(sc); 5061278366Sadrian if (vap != NULL) 5062278366Sadrian ieee80211_init(vap); 5063173362Sbenjsc} 5064