if_wpi.c revision 280063
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 280063 2015-03-15 20:23:58Z 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); 172278366Sadrianstatic void wpi_node_free(struct ieee80211_node *); 173278366Sadrianstatic struct ieee80211_node *wpi_node_alloc(struct ieee80211vap *, 174278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 175178354Ssamstatic int wpi_newstate(struct ieee80211vap *, enum ieee80211_state, int); 176278366Sadrianstatic void wpi_calib_timeout(void *); 177278366Sadrianstatic void wpi_rx_done(struct wpi_softc *, struct wpi_rx_desc *, 178173362Sbenjsc struct wpi_rx_data *); 179278366Sadrianstatic void wpi_rx_statistics(struct wpi_softc *, struct wpi_rx_desc *, 180278366Sadrian struct wpi_rx_data *); 181278366Sadrianstatic void wpi_tx_done(struct wpi_softc *, struct wpi_rx_desc *); 182278366Sadrianstatic void wpi_cmd_done(struct wpi_softc *, struct wpi_rx_desc *); 183173362Sbenjscstatic void wpi_notif_intr(struct wpi_softc *); 184278366Sadrianstatic void wpi_wakeup_intr(struct wpi_softc *); 185278366Sadrianstatic void wpi_fatal_intr(struct wpi_softc *); 186173362Sbenjscstatic void wpi_intr(void *); 187278366Sadrianstatic int wpi_cmd2(struct wpi_softc *, struct wpi_buf *); 188173362Sbenjscstatic int wpi_tx_data(struct wpi_softc *, struct mbuf *, 189278366Sadrian struct ieee80211_node *); 190278366Sadrianstatic int wpi_tx_data_raw(struct wpi_softc *, struct mbuf *, 191278366Sadrian struct ieee80211_node *, 192278366Sadrian const struct ieee80211_bpf_params *); 193278366Sadrianstatic int wpi_raw_xmit(struct ieee80211_node *, struct mbuf *, 194278366Sadrian const struct ieee80211_bpf_params *); 195173362Sbenjscstatic void wpi_start(struct ifnet *); 196178354Ssamstatic void wpi_start_locked(struct ifnet *); 197278366Sadrianstatic void wpi_watchdog_rfkill(void *); 198278366Sadrianstatic void wpi_watchdog(void *); 199173362Sbenjscstatic int wpi_ioctl(struct ifnet *, u_long, caddr_t); 200278366Sadrianstatic int wpi_cmd(struct wpi_softc *, int, const void *, size_t, int); 201173362Sbenjscstatic int wpi_mrr_setup(struct wpi_softc *); 202278366Sadrianstatic int wpi_add_node(struct wpi_softc *, struct ieee80211_node *); 203278366Sadrianstatic int wpi_add_broadcast_node(struct wpi_softc *, int); 204278366Sadrianstatic int wpi_add_ibss_node(struct wpi_softc *, struct ieee80211_node *); 205278366Sadrianstatic void wpi_del_node(struct wpi_softc *, struct ieee80211_node *); 206278366Sadrianstatic int wpi_updateedca(struct ieee80211com *); 207278366Sadrianstatic void wpi_set_promisc(struct wpi_softc *); 208278366Sadrianstatic void wpi_update_promisc(struct ifnet *); 209278366Sadrianstatic void wpi_update_mcast(struct ifnet *); 210173362Sbenjscstatic void wpi_set_led(struct wpi_softc *, uint8_t, uint8_t, uint8_t); 211278366Sadrianstatic int wpi_set_timing(struct wpi_softc *, struct ieee80211_node *); 212278366Sadrianstatic void wpi_power_calibration(struct wpi_softc *); 213278366Sadrianstatic int wpi_set_txpower(struct wpi_softc *, int); 214278366Sadrianstatic int wpi_get_power_index(struct wpi_softc *, 215278366Sadrian struct wpi_power_group *, struct ieee80211_channel *, int); 216278366Sadrianstatic int wpi_set_pslevel(struct wpi_softc *, uint8_t, int, int); 217278366Sadrianstatic int wpi_send_btcoex(struct wpi_softc *); 218278366Sadrianstatic int wpi_send_rxon(struct wpi_softc *, int, int); 219278366Sadrianstatic int wpi_config(struct wpi_softc *); 220278366Sadrianstatic uint16_t wpi_get_active_dwell_time(struct wpi_softc *, 221278366Sadrian struct ieee80211_channel *, uint8_t); 222278366Sadrianstatic uint16_t wpi_limit_dwell(struct wpi_softc *, uint16_t); 223278366Sadrianstatic uint16_t wpi_get_passive_dwell_time(struct wpi_softc *, 224278366Sadrian struct ieee80211_channel *); 225278366Sadrianstatic int wpi_scan(struct wpi_softc *, struct ieee80211_channel *); 226278366Sadrianstatic int wpi_auth(struct wpi_softc *, struct ieee80211vap *); 227278366Sadrianstatic void wpi_update_beacon(struct ieee80211vap *, int); 228173362Sbenjscstatic int wpi_setup_beacon(struct wpi_softc *, struct ieee80211_node *); 229178354Ssamstatic int wpi_run(struct wpi_softc *, struct ieee80211vap *); 230278366Sadrianstatic int wpi_key_alloc(struct ieee80211vap *, struct ieee80211_key *, 231278366Sadrian ieee80211_keyix *, ieee80211_keyix *); 232278366Sadrianstatic int wpi_key_set(struct ieee80211vap *, 233278366Sadrian const struct ieee80211_key *, 234278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 235278366Sadrianstatic int wpi_key_delete(struct ieee80211vap *, 236278366Sadrian const struct ieee80211_key *); 237278366Sadrianstatic int wpi_post_alive(struct wpi_softc *); 238278366Sadrianstatic int wpi_load_bootcode(struct wpi_softc *, const uint8_t *, int); 239278366Sadrianstatic int wpi_load_firmware(struct wpi_softc *); 240278366Sadrianstatic int wpi_read_firmware(struct wpi_softc *); 241278366Sadrianstatic void wpi_unload_firmware(struct wpi_softc *); 242278366Sadrianstatic int wpi_clock_wait(struct wpi_softc *); 243278366Sadrianstatic int wpi_apm_init(struct wpi_softc *); 244278366Sadrianstatic void wpi_apm_stop_master(struct wpi_softc *); 245278366Sadrianstatic void wpi_apm_stop(struct wpi_softc *); 246278366Sadrianstatic void wpi_nic_config(struct wpi_softc *); 247278366Sadrianstatic int wpi_hw_init(struct wpi_softc *); 248278366Sadrianstatic void wpi_hw_stop(struct wpi_softc *); 249278366Sadrianstatic void wpi_radio_on(void *, int); 250278366Sadrianstatic void wpi_radio_off(void *, int); 251278366Sadrianstatic void wpi_init_locked(struct wpi_softc *); 252173362Sbenjscstatic void wpi_init(void *); 253278366Sadrianstatic void wpi_stop_locked(struct wpi_softc *); 254173362Sbenjscstatic void wpi_stop(struct wpi_softc *); 255278366Sadrianstatic void wpi_scan_start(struct ieee80211com *); 256278366Sadrianstatic void wpi_scan_end(struct ieee80211com *); 257278366Sadrianstatic void wpi_set_channel(struct ieee80211com *); 258278366Sadrianstatic void wpi_scan_curchan(struct ieee80211_scan_state *, unsigned long); 259278366Sadrianstatic void wpi_scan_mindwell(struct ieee80211_scan_state *); 260278366Sadrianstatic void wpi_hw_reset(void *, int); 261173362Sbenjsc 262173362Sbenjscstatic device_method_t wpi_methods[] = { 263173362Sbenjsc /* Device interface */ 264173362Sbenjsc DEVMETHOD(device_probe, wpi_probe), 265173362Sbenjsc DEVMETHOD(device_attach, wpi_attach), 266173362Sbenjsc DEVMETHOD(device_detach, wpi_detach), 267173362Sbenjsc DEVMETHOD(device_shutdown, wpi_shutdown), 268173362Sbenjsc DEVMETHOD(device_suspend, wpi_suspend), 269173362Sbenjsc DEVMETHOD(device_resume, wpi_resume), 270173362Sbenjsc 271260064Smarius DEVMETHOD_END 272173362Sbenjsc}; 273173362Sbenjsc 274173362Sbenjscstatic driver_t wpi_driver = { 275173362Sbenjsc "wpi", 276173362Sbenjsc wpi_methods, 277173362Sbenjsc sizeof (struct wpi_softc) 278173362Sbenjsc}; 279173362Sbenjscstatic devclass_t wpi_devclass; 280173362Sbenjsc 281260064SmariusDRIVER_MODULE(wpi, pci, wpi_driver, wpi_devclass, NULL, NULL); 282173362Sbenjsc 283222543SbschmidtMODULE_VERSION(wpi, 1); 284222543Sbschmidt 285278366SadrianMODULE_DEPEND(wpi, pci, 1, 1, 1); 286278366SadrianMODULE_DEPEND(wpi, wlan, 1, 1, 1); 287278366SadrianMODULE_DEPEND(wpi, firmware, 1, 1, 1); 288260064Smarius 289173362Sbenjscstatic int 290173362Sbenjscwpi_probe(device_t dev) 291173362Sbenjsc{ 292173362Sbenjsc const struct wpi_ident *ident; 293173362Sbenjsc 294173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 295173362Sbenjsc if (pci_get_vendor(dev) == ident->vendor && 296173362Sbenjsc pci_get_device(dev) == ident->device) { 297173362Sbenjsc device_set_desc(dev, ident->name); 298260064Smarius return (BUS_PROBE_DEFAULT); 299173362Sbenjsc } 300173362Sbenjsc } 301173362Sbenjsc return ENXIO; 302173362Sbenjsc} 303173362Sbenjsc 304173362Sbenjscstatic int 305173362Sbenjscwpi_attach(device_t dev) 306173362Sbenjsc{ 307278366Sadrian struct wpi_softc *sc = (struct wpi_softc *)device_get_softc(dev); 308278366Sadrian struct ieee80211com *ic; 309173362Sbenjsc struct ifnet *ifp; 310280061Sadrian int i, error, rid; 311280061Sadrian#ifdef WPI_DEBUG 312280061Sadrian int supportsa = 1; 313173362Sbenjsc const struct wpi_ident *ident; 314280061Sadrian#endif 315190526Ssam uint8_t macaddr[IEEE80211_ADDR_LEN]; 316173362Sbenjsc 317173362Sbenjsc sc->sc_dev = dev; 318173362Sbenjsc 319280059Sadrian#ifdef WPI_DEBUG 320278366Sadrian error = resource_int_value(device_get_name(sc->sc_dev), 321278366Sadrian device_get_unit(sc->sc_dev), "debug", &(sc->sc_debug)); 322278366Sadrian if (error != 0) 323278366Sadrian sc->sc_debug = 0; 324278366Sadrian#else 325278366Sadrian sc->sc_debug = 0; 326278366Sadrian#endif 327173362Sbenjsc 328278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 329278366Sadrian 330173362Sbenjsc /* 331278366Sadrian * Get the offset of the PCI Express Capability Structure in PCI 332278366Sadrian * Configuration Space. 333278366Sadrian */ 334278366Sadrian error = pci_find_cap(dev, PCIY_EXPRESS, &sc->sc_cap_off); 335278366Sadrian if (error != 0) { 336278366Sadrian device_printf(dev, "PCIe capability structure not found!\n"); 337278366Sadrian return error; 338278366Sadrian } 339278366Sadrian 340278366Sadrian /* 341173362Sbenjsc * Some card's only support 802.11b/g not a, check to see if 342173362Sbenjsc * this is one such card. A 0x0 in the subdevice table indicates 343173362Sbenjsc * the entire subdevice range is to be ignored. 344173362Sbenjsc */ 345280061Sadrian#ifdef WPI_DEBUG 346173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 347173362Sbenjsc if (ident->subdevice && 348173362Sbenjsc pci_get_subdevice(dev) == ident->subdevice) { 349173362Sbenjsc supportsa = 0; 350173362Sbenjsc break; 351173362Sbenjsc } 352173362Sbenjsc } 353280061Sadrian#endif 354173362Sbenjsc 355278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 356173362Sbenjsc pci_write_config(dev, 0x41, 0, 1); 357173362Sbenjsc 358278366Sadrian /* Enable bus-mastering. */ 359173362Sbenjsc pci_enable_busmaster(dev); 360173362Sbenjsc 361260064Smarius rid = PCIR_BAR(0); 362260064Smarius sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 363173362Sbenjsc RF_ACTIVE); 364173362Sbenjsc if (sc->mem == NULL) { 365278366Sadrian device_printf(dev, "can't map mem space\n"); 366173362Sbenjsc error = ENOMEM; 367278366Sadrian return error; 368173362Sbenjsc } 369173362Sbenjsc sc->sc_st = rman_get_bustag(sc->mem); 370173362Sbenjsc sc->sc_sh = rman_get_bushandle(sc->mem); 371173362Sbenjsc 372278366Sadrian i = 1; 373260064Smarius rid = 0; 374278366Sadrian if (pci_alloc_msi(dev, &i) == 0) 375278366Sadrian rid = 1; 376278366Sadrian /* Install interrupt handler. */ 377278366Sadrian sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | 378278366Sadrian (rid != 0 ? 0 : RF_SHAREABLE)); 379173362Sbenjsc if (sc->irq == NULL) { 380278366Sadrian device_printf(dev, "can't map interrupt\n"); 381173362Sbenjsc error = ENOMEM; 382173362Sbenjsc goto fail; 383173362Sbenjsc } 384173362Sbenjsc 385278366Sadrian WPI_LOCK_INIT(sc); 386278366Sadrian 387278366Sadrian sc->sc_unr = new_unrhdr(WPI_ID_IBSS_MIN, WPI_ID_IBSS_MAX, &sc->sc_mtx); 388278366Sadrian 389278366Sadrian /* Allocate DMA memory for firmware transfers. */ 390173362Sbenjsc if ((error = wpi_alloc_fwmem(sc)) != 0) { 391278366Sadrian device_printf(dev, 392278366Sadrian "could not allocate memory for firmware, error %d\n", 393278366Sadrian error); 394173362Sbenjsc goto fail; 395173362Sbenjsc } 396173362Sbenjsc 397278366Sadrian /* Allocate shared page. */ 398173362Sbenjsc if ((error = wpi_alloc_shared(sc)) != 0) { 399173362Sbenjsc device_printf(dev, "could not allocate shared page\n"); 400173362Sbenjsc goto fail; 401173362Sbenjsc } 402173362Sbenjsc 403278366Sadrian /* Allocate TX rings - 4 for QoS purposes, 1 for commands. */ 404278366Sadrian for (i = 0; i < WPI_NTXQUEUES; i++) { 405278366Sadrian if ((error = wpi_alloc_tx_ring(sc, &sc->txq[i], i)) != 0) { 406278366Sadrian device_printf(dev, 407278366Sadrian "could not allocate TX ring %d, error %d\n", i, 408278366Sadrian error); 409278366Sadrian goto fail; 410173362Sbenjsc } 411173362Sbenjsc } 412173362Sbenjsc 413278366Sadrian /* Allocate RX ring. */ 414278366Sadrian if ((error = wpi_alloc_rx_ring(sc)) != 0) { 415278366Sadrian device_printf(dev, "could not allocate RX ring, error %d\n", 416278366Sadrian error); 417173362Sbenjsc goto fail; 418173362Sbenjsc } 419173362Sbenjsc 420278366Sadrian /* Clear pending interrupts. */ 421278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 422173362Sbenjsc 423178354Ssam ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 424173362Sbenjsc if (ifp == NULL) { 425278366Sadrian device_printf(dev, "can not allocate ifnet structure\n"); 426173362Sbenjsc goto fail; 427173362Sbenjsc } 428278366Sadrian 429178354Ssam ic = ifp->if_l2com; 430173362Sbenjsc ic->ic_ifp = ifp; 431178354Ssam ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 432178354Ssam ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 433173362Sbenjsc 434278366Sadrian /* Set device capabilities. */ 435173362Sbenjsc ic->ic_caps = 436178957Ssam IEEE80211_C_STA /* station mode supported */ 437278366Sadrian | IEEE80211_C_IBSS /* IBSS mode supported */ 438178957Ssam | IEEE80211_C_MONITOR /* monitor mode supported */ 439278366Sadrian | IEEE80211_C_AHDEMO /* adhoc demo mode */ 440278366Sadrian | IEEE80211_C_BGSCAN /* capable of bg scanning */ 441173362Sbenjsc | IEEE80211_C_TXPMGT /* tx power management */ 442173362Sbenjsc | IEEE80211_C_SHSLOT /* short slot time supported */ 443278366Sadrian | IEEE80211_C_WPA /* 802.11i */ 444173362Sbenjsc | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 445173362Sbenjsc#if 0 446173362Sbenjsc | IEEE80211_C_HOSTAP /* Host access point mode */ 447173362Sbenjsc#endif 448278366Sadrian | IEEE80211_C_WME /* 802.11e */ 449278366Sadrian | IEEE80211_C_PMGT /* Station-side power mgmt */ 450173362Sbenjsc ; 451173362Sbenjsc 452278366Sadrian ic->ic_cryptocaps = 453278366Sadrian IEEE80211_CRYPTO_AES_CCM; 454278366Sadrian 455173362Sbenjsc /* 456173362Sbenjsc * Read in the eeprom and also setup the channels for 457173362Sbenjsc * net80211. We don't set the rates as net80211 does this for us 458173362Sbenjsc */ 459278366Sadrian if ((error = wpi_read_eeprom(sc, macaddr)) != 0) { 460278366Sadrian device_printf(dev, "could not read EEPROM, error %d\n", 461278366Sadrian error); 462278366Sadrian goto fail; 463280059Sadrian } 464173362Sbenjsc 465280059Sadrian#ifdef WPI_DEBUG 466278366Sadrian if (bootverbose) { 467280059Sadrian device_printf(sc->sc_dev, "Regulatory Domain: %.4s\n", 468280059Sadrian sc->domain); 469280059Sadrian device_printf(sc->sc_dev, "Hardware Type: %c\n", 470280059Sadrian sc->type > 1 ? 'B': '?'); 471280059Sadrian device_printf(sc->sc_dev, "Hardware Revision: %c\n", 472280059Sadrian ((le16toh(sc->rev) & 0xf0) == 0xd0) ? 'D': '?'); 473280059Sadrian device_printf(sc->sc_dev, "SKU %s support 802.11a\n", 474280059Sadrian supportsa ? "does" : "does not"); 475173362Sbenjsc 476280059Sadrian /* XXX hw_config uses the PCIDEV for the Hardware rev. Must 477280059Sadrian check what sc->rev really represents - benjsc 20070615 */ 478173362Sbenjsc } 479278366Sadrian#endif 480173362Sbenjsc 481173362Sbenjsc if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 482173362Sbenjsc ifp->if_softc = sc; 483173362Sbenjsc ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 484173362Sbenjsc ifp->if_init = wpi_init; 485173362Sbenjsc ifp->if_ioctl = wpi_ioctl; 486173362Sbenjsc ifp->if_start = wpi_start; 487207554Ssobomax IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 488207554Ssobomax ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 489173362Sbenjsc IFQ_SET_READY(&ifp->if_snd); 490178354Ssam 491190526Ssam ieee80211_ifattach(ic, macaddr); 492278366Sadrian ic->ic_vap_create = wpi_vap_create; 493278366Sadrian ic->ic_vap_delete = wpi_vap_delete; 494178354Ssam ic->ic_raw_xmit = wpi_raw_xmit; 495278366Sadrian ic->ic_node_alloc = wpi_node_alloc; 496278366Sadrian sc->sc_node_free = ic->ic_node_free; 497278366Sadrian ic->ic_node_free = wpi_node_free; 498278366Sadrian ic->ic_wme.wme_update = wpi_updateedca; 499278366Sadrian ic->ic_update_promisc = wpi_update_promisc; 500278366Sadrian ic->ic_update_mcast = wpi_update_mcast; 501173362Sbenjsc ic->ic_scan_start = wpi_scan_start; 502173362Sbenjsc ic->ic_scan_end = wpi_scan_end; 503173362Sbenjsc ic->ic_set_channel = wpi_set_channel; 504278366Sadrian sc->sc_scan_curchan = ic->ic_scan_curchan; 505173362Sbenjsc ic->ic_scan_curchan = wpi_scan_curchan; 506173362Sbenjsc ic->ic_scan_mindwell = wpi_scan_mindwell; 507278366Sadrian ic->ic_setregdomain = wpi_setregdomain; 508173362Sbenjsc 509278366Sadrian wpi_radiotap_attach(sc); 510173362Sbenjsc 511278366Sadrian callout_init_mtx(&sc->calib_to, &sc->sc_mtx, 0); 512278366Sadrian callout_init_mtx(&sc->watchdog_to, &sc->sc_mtx, 0); 513278366Sadrian callout_init_mtx(&sc->watchdog_rfkill, &sc->sc_mtx, 0); 514278366Sadrian TASK_INIT(&sc->sc_reinittask, 0, wpi_hw_reset, sc); 515278366Sadrian TASK_INIT(&sc->sc_radiooff_task, 0, wpi_radio_off, sc); 516278366Sadrian TASK_INIT(&sc->sc_radioon_task, 0, wpi_radio_on, sc); 517173362Sbenjsc 518278366Sadrian wpi_sysctlattach(sc); 519278366Sadrian 520173362Sbenjsc /* 521173362Sbenjsc * Hook our interrupt after all initialization is complete. 522173362Sbenjsc */ 523278366Sadrian error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 524177043Sthompsa NULL, wpi_intr, sc, &sc->sc_ih); 525173362Sbenjsc if (error != 0) { 526278366Sadrian device_printf(dev, "can't establish interrupt, error %d\n", 527278366Sadrian error); 528173362Sbenjsc goto fail; 529173362Sbenjsc } 530173362Sbenjsc 531177043Sthompsa if (bootverbose) 532177043Sthompsa ieee80211_announce(ic); 533278366Sadrian 534278366Sadrian#ifdef WPI_DEBUG 535278366Sadrian if (sc->sc_debug & WPI_DEBUG_HW) 536278366Sadrian ieee80211_announce_channels(ic); 537173362Sbenjsc#endif 538278366Sadrian 539278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 540173362Sbenjsc return 0; 541173362Sbenjsc 542173362Sbenjscfail: wpi_detach(dev); 543278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 544278366Sadrian return error; 545173362Sbenjsc} 546173362Sbenjsc 547278366Sadrian/* 548278366Sadrian * Attach the interface to 802.11 radiotap. 549278366Sadrian */ 550278366Sadrianstatic void 551278366Sadrianwpi_radiotap_attach(struct wpi_softc *sc) 552278366Sadrian{ 553278366Sadrian struct ifnet *ifp = sc->sc_ifp; 554278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 555278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 556278366Sadrian ieee80211_radiotap_attach(ic, 557278366Sadrian &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 558278366Sadrian WPI_TX_RADIOTAP_PRESENT, 559278366Sadrian &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 560278366Sadrian WPI_RX_RADIOTAP_PRESENT); 561278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 562278366Sadrian} 563278366Sadrian 564278366Sadrianstatic void 565278366Sadrianwpi_sysctlattach(struct wpi_softc *sc) 566278366Sadrian{ 567280059Sadrian#ifdef WPI_DEBUG 568278366Sadrian struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 569278366Sadrian struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 570278366Sadrian 571278366Sadrian SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 572278366Sadrian "debug", CTLFLAG_RW, &sc->sc_debug, sc->sc_debug, 573278366Sadrian "control debugging printfs"); 574278366Sadrian#endif 575278366Sadrian} 576278366Sadrian 577278366Sadrianstatic struct ieee80211vap * 578278366Sadrianwpi_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 579278366Sadrian enum ieee80211_opmode opmode, int flags, 580278366Sadrian const uint8_t bssid[IEEE80211_ADDR_LEN], 581278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 582278366Sadrian{ 583278366Sadrian struct wpi_vap *wvp; 584278366Sadrian struct wpi_buf *bcn; 585278366Sadrian struct ieee80211vap *vap; 586278366Sadrian 587278366Sadrian if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 588278366Sadrian return NULL; 589278366Sadrian 590278366Sadrian wvp = (struct wpi_vap *) malloc(sizeof(struct wpi_vap), 591278366Sadrian M_80211_VAP, M_NOWAIT | M_ZERO); 592278366Sadrian if (wvp == NULL) 593278366Sadrian return NULL; 594278366Sadrian vap = &wvp->vap; 595278366Sadrian ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 596278366Sadrian 597278366Sadrian bcn = &wvp->wv_bcbuf; 598278366Sadrian bcn->data = NULL; 599278366Sadrian 600278366Sadrian /* Override with driver methods. */ 601278366Sadrian wvp->newstate = vap->iv_newstate; 602278366Sadrian vap->iv_key_alloc = wpi_key_alloc; 603278366Sadrian vap->iv_key_set = wpi_key_set; 604278366Sadrian vap->iv_key_delete = wpi_key_delete; 605278366Sadrian vap->iv_newstate = wpi_newstate; 606278366Sadrian vap->iv_update_beacon = wpi_update_beacon; 607278366Sadrian 608278366Sadrian ieee80211_ratectl_init(vap); 609278366Sadrian /* Complete setup. */ 610278366Sadrian ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status); 611278366Sadrian ic->ic_opmode = opmode; 612278366Sadrian return vap; 613278366Sadrian} 614278366Sadrian 615278366Sadrianstatic void 616278366Sadrianwpi_vap_delete(struct ieee80211vap *vap) 617278366Sadrian{ 618278366Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 619278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 620278366Sadrian 621278366Sadrian ieee80211_ratectl_deinit(vap); 622278366Sadrian ieee80211_vap_detach(vap); 623278366Sadrian 624278366Sadrian if (bcn->data != NULL) 625278366Sadrian free(bcn->data, M_DEVBUF); 626278366Sadrian free(wvp, M_80211_VAP); 627278366Sadrian} 628278366Sadrian 629173362Sbenjscstatic int 630173362Sbenjscwpi_detach(device_t dev) 631173362Sbenjsc{ 632173362Sbenjsc struct wpi_softc *sc = device_get_softc(dev); 633178354Ssam struct ifnet *ifp = sc->sc_ifp; 634200530Sgavin struct ieee80211com *ic; 635278366Sadrian int qid; 636173362Sbenjsc 637278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 638260064Smarius 639200530Sgavin if (ifp != NULL) { 640200530Sgavin ic = ifp->if_l2com; 641191746Sthompsa 642278366Sadrian ieee80211_draintask(ic, &sc->sc_reinittask); 643278366Sadrian ieee80211_draintask(ic, &sc->sc_radiooff_task); 644280052Sadrian ieee80211_draintask(ic, &sc->sc_radioon_task); 645278366Sadrian 646173362Sbenjsc wpi_stop(sc); 647278366Sadrian 648173362Sbenjsc callout_drain(&sc->watchdog_to); 649278366Sadrian callout_drain(&sc->watchdog_rfkill); 650173362Sbenjsc callout_drain(&sc->calib_to); 651173362Sbenjsc ieee80211_ifdetach(ic); 652173362Sbenjsc } 653173362Sbenjsc 654278366Sadrian /* Uninstall interrupt handler. */ 655278366Sadrian if (sc->irq != NULL) { 656278366Sadrian bus_teardown_intr(dev, sc->irq, sc->sc_ih); 657278366Sadrian bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), 658278366Sadrian sc->irq); 659278366Sadrian pci_release_msi(dev); 660278366Sadrian } 661278366Sadrian 662173362Sbenjsc if (sc->txq[0].data_dmat) { 663278366Sadrian /* Free DMA resources. */ 664278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 665278366Sadrian wpi_free_tx_ring(sc, &sc->txq[qid]); 666173362Sbenjsc 667278366Sadrian wpi_free_rx_ring(sc); 668173362Sbenjsc wpi_free_shared(sc); 669173362Sbenjsc } 670173362Sbenjsc 671173362Sbenjsc if (sc->fw_dma.tag) 672173362Sbenjsc wpi_free_fwmem(sc); 673278366Sadrian 674173362Sbenjsc if (sc->mem != NULL) 675260064Smarius bus_release_resource(dev, SYS_RES_MEMORY, 676260064Smarius rman_get_rid(sc->mem), sc->mem); 677173362Sbenjsc 678173362Sbenjsc if (ifp != NULL) 679173362Sbenjsc if_free(ifp); 680173362Sbenjsc 681278366Sadrian delete_unrhdr(sc->sc_unr); 682278366Sadrian 683278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 684173362Sbenjsc WPI_LOCK_DESTROY(sc); 685278366Sadrian return 0; 686278366Sadrian} 687173362Sbenjsc 688278366Sadrianstatic int 689278366Sadrianwpi_shutdown(device_t dev) 690278366Sadrian{ 691278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 692278366Sadrian 693278366Sadrian wpi_stop(sc); 694173362Sbenjsc return 0; 695173362Sbenjsc} 696173362Sbenjsc 697278366Sadrianstatic int 698278366Sadrianwpi_suspend(device_t dev) 699178354Ssam{ 700278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 701278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 702178354Ssam 703278366Sadrian ieee80211_suspend_all(ic); 704278366Sadrian return 0; 705278366Sadrian} 706178354Ssam 707278366Sadrianstatic int 708278366Sadrianwpi_resume(device_t dev) 709278366Sadrian{ 710278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 711278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 712278366Sadrian 713278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 714278366Sadrian pci_write_config(dev, 0x41, 0, 1); 715278366Sadrian 716278366Sadrian ieee80211_resume_all(ic); 717278366Sadrian return 0; 718178354Ssam} 719178354Ssam 720278366Sadrian/* 721278366Sadrian * Grab exclusive access to NIC memory. 722278366Sadrian */ 723278366Sadrianstatic int 724278366Sadrianwpi_nic_lock(struct wpi_softc *sc) 725178354Ssam{ 726278366Sadrian int ntries; 727178354Ssam 728278366Sadrian /* Request exclusive access to NIC. */ 729278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 730278366Sadrian 731278366Sadrian /* Spin until we actually get the lock. */ 732278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 733278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & 734280059Sadrian (WPI_GP_CNTRL_MAC_ACCESS_ENA | WPI_GP_CNTRL_SLEEP)) == 735278366Sadrian WPI_GP_CNTRL_MAC_ACCESS_ENA) 736278366Sadrian return 0; 737278366Sadrian DELAY(10); 738278366Sadrian } 739278366Sadrian 740278366Sadrian device_printf(sc->sc_dev, "could not lock memory\n"); 741278366Sadrian 742278366Sadrian return ETIMEDOUT; 743178354Ssam} 744178354Ssam 745278366Sadrian/* 746278366Sadrian * Release lock on NIC memory. 747278366Sadrian */ 748278366Sadrianstatic __inline void 749278366Sadrianwpi_nic_unlock(struct wpi_softc *sc) 750278366Sadrian{ 751278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 752278366Sadrian} 753278366Sadrian 754278366Sadrianstatic __inline uint32_t 755278366Sadrianwpi_prph_read(struct wpi_softc *sc, uint32_t addr) 756278366Sadrian{ 757278366Sadrian WPI_WRITE(sc, WPI_PRPH_RADDR, WPI_PRPH_DWORD | addr); 758278366Sadrian WPI_BARRIER_READ_WRITE(sc); 759278366Sadrian return WPI_READ(sc, WPI_PRPH_RDATA); 760278366Sadrian} 761278366Sadrian 762278366Sadrianstatic __inline void 763278366Sadrianwpi_prph_write(struct wpi_softc *sc, uint32_t addr, uint32_t data) 764278366Sadrian{ 765278366Sadrian WPI_WRITE(sc, WPI_PRPH_WADDR, WPI_PRPH_DWORD | addr); 766278366Sadrian WPI_BARRIER_WRITE(sc); 767278366Sadrian WPI_WRITE(sc, WPI_PRPH_WDATA, data); 768278366Sadrian} 769278366Sadrian 770278366Sadrianstatic __inline void 771278366Sadrianwpi_prph_setbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 772278366Sadrian{ 773278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) | mask); 774278366Sadrian} 775278366Sadrian 776278366Sadrianstatic __inline void 777278366Sadrianwpi_prph_clrbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 778278366Sadrian{ 779278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) & ~mask); 780278366Sadrian} 781278366Sadrian 782278366Sadrianstatic __inline void 783278366Sadrianwpi_prph_write_region_4(struct wpi_softc *sc, uint32_t addr, 784278366Sadrian const uint32_t *data, int count) 785278366Sadrian{ 786278366Sadrian for (; count > 0; count--, data++, addr += 4) 787278366Sadrian wpi_prph_write(sc, addr, *data); 788278366Sadrian} 789278366Sadrian 790278366Sadrianstatic __inline uint32_t 791278366Sadrianwpi_mem_read(struct wpi_softc *sc, uint32_t addr) 792278366Sadrian{ 793278366Sadrian WPI_WRITE(sc, WPI_MEM_RADDR, addr); 794278366Sadrian WPI_BARRIER_READ_WRITE(sc); 795278366Sadrian return WPI_READ(sc, WPI_MEM_RDATA); 796278366Sadrian} 797278366Sadrian 798278366Sadrianstatic __inline void 799278366Sadrianwpi_mem_read_region_4(struct wpi_softc *sc, uint32_t addr, uint32_t *data, 800278366Sadrian int count) 801278366Sadrian{ 802278366Sadrian for (; count > 0; count--, addr += 4) 803278366Sadrian *data++ = wpi_mem_read(sc, addr); 804278366Sadrian} 805278366Sadrian 806278366Sadrianstatic int 807278366Sadrianwpi_read_prom_data(struct wpi_softc *sc, uint32_t addr, void *data, int count) 808278366Sadrian{ 809278366Sadrian uint8_t *out = data; 810278366Sadrian uint32_t val; 811278366Sadrian int error, ntries; 812278366Sadrian 813278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 814278366Sadrian 815278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 816278366Sadrian return error; 817278366Sadrian 818278366Sadrian for (; count > 0; count -= 2, addr++) { 819278366Sadrian WPI_WRITE(sc, WPI_EEPROM, addr << 2); 820278366Sadrian for (ntries = 0; ntries < 10; ntries++) { 821278366Sadrian val = WPI_READ(sc, WPI_EEPROM); 822278366Sadrian if (val & WPI_EEPROM_READ_VALID) 823278366Sadrian break; 824278366Sadrian DELAY(5); 825278366Sadrian } 826278366Sadrian if (ntries == 10) { 827278366Sadrian device_printf(sc->sc_dev, 828278366Sadrian "timeout reading ROM at 0x%x\n", addr); 829278366Sadrian return ETIMEDOUT; 830278366Sadrian } 831278366Sadrian *out++= val >> 16; 832278366Sadrian if (count > 1) 833278366Sadrian *out ++= val >> 24; 834278366Sadrian } 835278366Sadrian 836278366Sadrian wpi_nic_unlock(sc); 837278366Sadrian 838278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 839278366Sadrian 840278366Sadrian return 0; 841278366Sadrian} 842278366Sadrian 843178354Ssamstatic void 844173362Sbenjscwpi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 845173362Sbenjsc{ 846173362Sbenjsc if (error != 0) 847173362Sbenjsc return; 848173362Sbenjsc KASSERT(nsegs == 1, ("too many DMA segments, %d should be 1", nsegs)); 849173362Sbenjsc *(bus_addr_t *)arg = segs[0].ds_addr; 850173362Sbenjsc} 851173362Sbenjsc 852177043Sthompsa/* 853177043Sthompsa * Allocates a contiguous block of dma memory of the requested size and 854278366Sadrian * alignment. 855177043Sthompsa */ 856173362Sbenjscstatic int 857173362Sbenjscwpi_dma_contig_alloc(struct wpi_softc *sc, struct wpi_dma_info *dma, 858278366Sadrian void **kvap, bus_size_t size, bus_size_t alignment) 859173362Sbenjsc{ 860173362Sbenjsc int error; 861173362Sbenjsc 862278366Sadrian dma->tag = NULL; 863173362Sbenjsc dma->size = size; 864173362Sbenjsc 865278366Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), alignment, 866278366Sadrian 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, size, 867278366Sadrian 1, size, BUS_DMA_NOWAIT, NULL, NULL, &dma->tag); 868278366Sadrian if (error != 0) 869173362Sbenjsc goto fail; 870278366Sadrian 871278366Sadrian error = bus_dmamem_alloc(dma->tag, (void **)&dma->vaddr, 872278366Sadrian BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, &dma->map); 873278366Sadrian if (error != 0) 874173362Sbenjsc goto fail; 875173362Sbenjsc 876278366Sadrian error = bus_dmamap_load(dma->tag, dma->map, dma->vaddr, size, 877278366Sadrian wpi_dma_map_addr, &dma->paddr, BUS_DMA_NOWAIT); 878278366Sadrian if (error != 0) 879278366Sadrian goto fail; 880177043Sthompsa 881278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 882177043Sthompsa 883173362Sbenjsc if (kvap != NULL) 884173362Sbenjsc *kvap = dma->vaddr; 885173362Sbenjsc 886173362Sbenjsc return 0; 887173362Sbenjsc 888278366Sadrianfail: wpi_dma_contig_free(dma); 889173362Sbenjsc return error; 890173362Sbenjsc} 891173362Sbenjsc 892173362Sbenjscstatic void 893173362Sbenjscwpi_dma_contig_free(struct wpi_dma_info *dma) 894173362Sbenjsc{ 895278366Sadrian if (dma->vaddr != NULL) { 896278366Sadrian bus_dmamap_sync(dma->tag, dma->map, 897278366Sadrian BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 898278366Sadrian bus_dmamap_unload(dma->tag, dma->map); 899278366Sadrian bus_dmamem_free(dma->tag, dma->vaddr, dma->map); 900278366Sadrian dma->vaddr = NULL; 901278366Sadrian } 902278366Sadrian if (dma->tag != NULL) { 903173362Sbenjsc bus_dma_tag_destroy(dma->tag); 904278366Sadrian dma->tag = NULL; 905173362Sbenjsc } 906173362Sbenjsc} 907173362Sbenjsc 908173362Sbenjsc/* 909173362Sbenjsc * Allocate a shared page between host and NIC. 910173362Sbenjsc */ 911173362Sbenjscstatic int 912173362Sbenjscwpi_alloc_shared(struct wpi_softc *sc) 913173362Sbenjsc{ 914278366Sadrian /* Shared buffer must be aligned on a 4KB boundary. */ 915278366Sadrian return wpi_dma_contig_alloc(sc, &sc->shared_dma, 916278366Sadrian (void **)&sc->shared, sizeof (struct wpi_shared), 4096); 917173362Sbenjsc} 918173362Sbenjsc 919173362Sbenjscstatic void 920173362Sbenjscwpi_free_shared(struct wpi_softc *sc) 921173362Sbenjsc{ 922173362Sbenjsc wpi_dma_contig_free(&sc->shared_dma); 923173362Sbenjsc} 924173362Sbenjsc 925278366Sadrian/* 926278366Sadrian * Allocate DMA-safe memory for firmware transfer. 927278366Sadrian */ 928173362Sbenjscstatic int 929278366Sadrianwpi_alloc_fwmem(struct wpi_softc *sc) 930173362Sbenjsc{ 931278366Sadrian /* Must be aligned on a 16-byte boundary. */ 932278366Sadrian return wpi_dma_contig_alloc(sc, &sc->fw_dma, NULL, 933278366Sadrian WPI_FW_TEXT_MAXSZ + WPI_FW_DATA_MAXSZ, 16); 934278366Sadrian} 935173362Sbenjsc 936278366Sadrianstatic void 937278366Sadrianwpi_free_fwmem(struct wpi_softc *sc) 938278366Sadrian{ 939278366Sadrian wpi_dma_contig_free(&sc->fw_dma); 940278366Sadrian} 941278366Sadrian 942278366Sadrianstatic int 943278366Sadrianwpi_alloc_rx_ring(struct wpi_softc *sc) 944278366Sadrian{ 945278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 946278366Sadrian bus_size_t size; 947173362Sbenjsc int i, error; 948173362Sbenjsc 949173362Sbenjsc ring->cur = 0; 950278366Sadrian ring->update = 0; 951173362Sbenjsc 952278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 953278366Sadrian 954278366Sadrian /* Allocate RX descriptors (16KB aligned.) */ 955278366Sadrian size = WPI_RX_RING_COUNT * sizeof (uint32_t); 956173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->desc_dma, 957278366Sadrian (void **)&ring->desc, size, WPI_RING_DMA_ALIGN); 958173362Sbenjsc if (error != 0) { 959177043Sthompsa device_printf(sc->sc_dev, 960278366Sadrian "%s: could not allocate RX ring DMA memory, error %d\n", 961177043Sthompsa __func__, error); 962177043Sthompsa goto fail; 963173362Sbenjsc } 964173362Sbenjsc 965278366Sadrian /* Create RX buffer DMA tag. */ 966280059Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 967278366Sadrian BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 968278366Sadrian MJUMPAGESIZE, 1, MJUMPAGESIZE, BUS_DMA_NOWAIT, NULL, NULL, 969278366Sadrian &ring->data_dmat); 970280059Sadrian if (error != 0) { 971280059Sadrian device_printf(sc->sc_dev, 972278366Sadrian "%s: could not create RX buf DMA tag, error %d\n", 973177043Sthompsa __func__, error); 974280059Sadrian goto fail; 975280059Sadrian } 976177043Sthompsa 977173362Sbenjsc /* 978278366Sadrian * Allocate and map RX buffers. 979173362Sbenjsc */ 980173362Sbenjsc for (i = 0; i < WPI_RX_RING_COUNT; i++) { 981177043Sthompsa struct wpi_rx_data *data = &ring->data[i]; 982177043Sthompsa bus_addr_t paddr; 983173362Sbenjsc 984177043Sthompsa error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 985177043Sthompsa if (error != 0) { 986173362Sbenjsc device_printf(sc->sc_dev, 987278366Sadrian "%s: could not create RX buf DMA map, error %d\n", 988177043Sthompsa __func__, error); 989173362Sbenjsc goto fail; 990173362Sbenjsc } 991278366Sadrian 992278366Sadrian data->m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 993278366Sadrian if (data->m == NULL) { 994173362Sbenjsc device_printf(sc->sc_dev, 995278366Sadrian "%s: could not allocate RX mbuf\n", __func__); 996278366Sadrian error = ENOBUFS; 997173362Sbenjsc goto fail; 998173362Sbenjsc } 999278366Sadrian 1000177043Sthompsa error = bus_dmamap_load(ring->data_dmat, data->map, 1001278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1002278366Sadrian &paddr, BUS_DMA_NOWAIT); 1003177043Sthompsa if (error != 0 && error != EFBIG) { 1004177043Sthompsa device_printf(sc->sc_dev, 1005278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, 1006278366Sadrian error); 1007173362Sbenjsc goto fail; 1008173362Sbenjsc } 1009177043Sthompsa 1010278366Sadrian /* Set physical address of RX buffer. */ 1011177043Sthompsa ring->desc[i] = htole32(paddr); 1012173362Sbenjsc } 1013278366Sadrian 1014173362Sbenjsc bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1015173362Sbenjsc BUS_DMASYNC_PREWRITE); 1016278366Sadrian 1017278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1018278366Sadrian 1019173362Sbenjsc return 0; 1020278366Sadrian 1021278366Sadrianfail: wpi_free_rx_ring(sc); 1022278366Sadrian 1023278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1024278366Sadrian 1025173362Sbenjsc return error; 1026173362Sbenjsc} 1027173362Sbenjsc 1028173362Sbenjscstatic void 1029278366Sadrianwpi_update_rx_ring(struct wpi_softc *sc) 1030173362Sbenjsc{ 1031278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1032173362Sbenjsc 1033280056Sadrian if (ring->update != 0) { 1034280056Sadrian /* Wait for INT_WAKEUP event. */ 1035280056Sadrian return; 1036280056Sadrian } 1037280056Sadrian 1038278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1039278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s: wakeup request\n", 1040278366Sadrian __func__); 1041173362Sbenjsc 1042278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1043278366Sadrian ring->update = 1; 1044278366Sadrian } else 1045278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, ring->cur & ~7); 1046278366Sadrian} 1047173362Sbenjsc 1048278366Sadrianstatic void 1049278366Sadrianwpi_reset_rx_ring(struct wpi_softc *sc) 1050278366Sadrian{ 1051278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1052278366Sadrian int ntries; 1053173362Sbenjsc 1054278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1055173362Sbenjsc 1056278366Sadrian if (wpi_nic_lock(sc) == 0) { 1057278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 0); 1058278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 1059278366Sadrian if (WPI_READ(sc, WPI_FH_RX_STATUS) & 1060278366Sadrian WPI_FH_RX_STATUS_IDLE) 1061278366Sadrian break; 1062278366Sadrian DELAY(10); 1063278366Sadrian } 1064173362Sbenjsc#ifdef WPI_DEBUG 1065278366Sadrian if (ntries == 1000) { 1066278366Sadrian device_printf(sc->sc_dev, 1067278366Sadrian "timeout resetting Rx ring\n"); 1068278366Sadrian } 1069173362Sbenjsc#endif 1070278366Sadrian wpi_nic_unlock(sc); 1071278366Sadrian } 1072173362Sbenjsc 1073173362Sbenjsc ring->cur = 0; 1074278366Sadrian ring->update = 0; 1075173362Sbenjsc} 1076173362Sbenjsc 1077173362Sbenjscstatic void 1078278366Sadrianwpi_free_rx_ring(struct wpi_softc *sc) 1079173362Sbenjsc{ 1080278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1081173362Sbenjsc int i; 1082173362Sbenjsc 1083278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1084278366Sadrian 1085173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1086173362Sbenjsc 1087216824Sbschmidt for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1088216824Sbschmidt struct wpi_rx_data *data = &ring->data[i]; 1089216824Sbschmidt 1090216824Sbschmidt if (data->m != NULL) { 1091216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, 1092216824Sbschmidt BUS_DMASYNC_POSTREAD); 1093216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1094216824Sbschmidt m_freem(data->m); 1095278366Sadrian data->m = NULL; 1096216824Sbschmidt } 1097216824Sbschmidt if (data->map != NULL) 1098216824Sbschmidt bus_dmamap_destroy(ring->data_dmat, data->map); 1099216824Sbschmidt } 1100278366Sadrian if (ring->data_dmat != NULL) { 1101278366Sadrian bus_dma_tag_destroy(ring->data_dmat); 1102278366Sadrian ring->data_dmat = NULL; 1103278366Sadrian } 1104173362Sbenjsc} 1105173362Sbenjsc 1106173362Sbenjscstatic int 1107278366Sadrianwpi_alloc_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring, int qid) 1108173362Sbenjsc{ 1109278366Sadrian bus_addr_t paddr; 1110278366Sadrian bus_size_t size; 1111173362Sbenjsc int i, error; 1112173362Sbenjsc 1113173362Sbenjsc ring->qid = qid; 1114173362Sbenjsc ring->queued = 0; 1115173362Sbenjsc ring->cur = 0; 1116278366Sadrian ring->update = 0; 1117173362Sbenjsc 1118278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1119173362Sbenjsc 1120278366Sadrian /* Allocate TX descriptors (16KB aligned.) */ 1121278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_desc); 1122278366Sadrian error = wpi_dma_contig_alloc(sc, &ring->desc_dma, (void **)&ring->desc, 1123278366Sadrian size, WPI_RING_DMA_ALIGN); 1124173362Sbenjsc if (error != 0) { 1125278366Sadrian device_printf(sc->sc_dev, 1126278366Sadrian "%s: could not allocate TX ring DMA memory, error %d\n", 1127278366Sadrian __func__, error); 1128278366Sadrian goto fail; 1129173362Sbenjsc } 1130173362Sbenjsc 1131278366Sadrian /* Update shared area with ring physical address. */ 1132173362Sbenjsc sc->shared->txbase[qid] = htole32(ring->desc_dma.paddr); 1133278366Sadrian bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 1134278366Sadrian BUS_DMASYNC_PREWRITE); 1135173362Sbenjsc 1136278366Sadrian /* 1137278366Sadrian * We only use rings 0 through 4 (4 EDCA + cmd) so there is no need 1138278366Sadrian * to allocate commands space for other rings. 1139278366Sadrian * XXX Do we really need to allocate descriptors for other rings? 1140278366Sadrian */ 1141278366Sadrian if (qid > 4) 1142278366Sadrian return 0; 1143278366Sadrian 1144278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_cmd); 1145173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->cmd_dma, (void **)&ring->cmd, 1146278366Sadrian size, 4); 1147173362Sbenjsc if (error != 0) { 1148173362Sbenjsc device_printf(sc->sc_dev, 1149278366Sadrian "%s: could not allocate TX cmd DMA memory, error %d\n", 1150278366Sadrian __func__, error); 1151173362Sbenjsc goto fail; 1152173362Sbenjsc } 1153173362Sbenjsc 1154173362Sbenjsc error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1155173362Sbenjsc BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1156173362Sbenjsc WPI_MAX_SCATTER - 1, MCLBYTES, BUS_DMA_NOWAIT, NULL, NULL, 1157173362Sbenjsc &ring->data_dmat); 1158173362Sbenjsc if (error != 0) { 1159278366Sadrian device_printf(sc->sc_dev, 1160278366Sadrian "%s: could not create TX buf DMA tag, error %d\n", 1161278366Sadrian __func__, error); 1162173362Sbenjsc goto fail; 1163173362Sbenjsc } 1164173362Sbenjsc 1165278366Sadrian paddr = ring->cmd_dma.paddr; 1166278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1167278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1168173362Sbenjsc 1169278366Sadrian data->cmd_paddr = paddr; 1170278366Sadrian paddr += sizeof (struct wpi_tx_cmd); 1171278366Sadrian 1172173362Sbenjsc error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1173173362Sbenjsc if (error != 0) { 1174173362Sbenjsc device_printf(sc->sc_dev, 1175278366Sadrian "%s: could not create TX buf DMA map, error %d\n", 1176278366Sadrian __func__, error); 1177173362Sbenjsc goto fail; 1178173362Sbenjsc } 1179173362Sbenjsc } 1180173362Sbenjsc 1181278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1182278366Sadrian 1183173362Sbenjsc return 0; 1184173362Sbenjsc 1185278366Sadrianfail: wpi_free_tx_ring(sc, ring); 1186278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1187173362Sbenjsc return error; 1188173362Sbenjsc} 1189173362Sbenjsc 1190173362Sbenjscstatic void 1191278366Sadrianwpi_update_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1192278366Sadrian{ 1193280056Sadrian if (ring->update != 0) { 1194280056Sadrian /* Wait for INT_WAKEUP event. */ 1195280056Sadrian return; 1196280056Sadrian } 1197280056Sadrian 1198278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1199278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s (%d): requesting wakeup\n", 1200278366Sadrian __func__, ring->qid); 1201278366Sadrian 1202278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1203278366Sadrian ring->update = 1; 1204278366Sadrian } else 1205278366Sadrian WPI_WRITE(sc, WPI_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur); 1206278366Sadrian} 1207278366Sadrian 1208278366Sadrianstatic void 1209173362Sbenjscwpi_reset_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1210173362Sbenjsc{ 1211278366Sadrian int i; 1212173362Sbenjsc 1213278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1214173362Sbenjsc 1215278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1216278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1217173362Sbenjsc 1218173362Sbenjsc if (data->m != NULL) { 1219278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1220278366Sadrian BUS_DMASYNC_POSTWRITE); 1221173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1222173362Sbenjsc m_freem(data->m); 1223173362Sbenjsc data->m = NULL; 1224173362Sbenjsc } 1225173362Sbenjsc } 1226278366Sadrian /* Clear TX descriptors. */ 1227278366Sadrian memset(ring->desc, 0, ring->desc_dma.size); 1228278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1229278366Sadrian BUS_DMASYNC_PREWRITE); 1230278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1231173362Sbenjsc ring->queued = 0; 1232173362Sbenjsc ring->cur = 0; 1233278366Sadrian ring->update = 0; 1234173362Sbenjsc} 1235173362Sbenjsc 1236173362Sbenjscstatic void 1237173362Sbenjscwpi_free_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1238173362Sbenjsc{ 1239173362Sbenjsc int i; 1240173362Sbenjsc 1241278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1242278366Sadrian 1243173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1244173362Sbenjsc wpi_dma_contig_free(&ring->cmd_dma); 1245173362Sbenjsc 1246278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1247278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1248173362Sbenjsc 1249278366Sadrian if (data->m != NULL) { 1250278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1251278366Sadrian BUS_DMASYNC_POSTWRITE); 1252278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1253278366Sadrian m_freem(data->m); 1254173362Sbenjsc } 1255278366Sadrian if (data->map != NULL) 1256278366Sadrian bus_dmamap_destroy(ring->data_dmat, data->map); 1257173362Sbenjsc } 1258278366Sadrian if (ring->data_dmat != NULL) { 1259173362Sbenjsc bus_dma_tag_destroy(ring->data_dmat); 1260278366Sadrian ring->data_dmat = NULL; 1261278366Sadrian } 1262173362Sbenjsc} 1263173362Sbenjsc 1264278366Sadrian/* 1265278366Sadrian * Extract various information from EEPROM. 1266278366Sadrian */ 1267173362Sbenjscstatic int 1268278366Sadrianwpi_read_eeprom(struct wpi_softc *sc, uint8_t macaddr[IEEE80211_ADDR_LEN]) 1269173362Sbenjsc{ 1270278366Sadrian#define WPI_CHK(res) do { \ 1271278366Sadrian if ((error = res) != 0) \ 1272278366Sadrian goto fail; \ 1273278366Sadrian} while (0) 1274278366Sadrian int error, i; 1275173362Sbenjsc 1276278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1277173362Sbenjsc 1278278366Sadrian /* Adapter has to be powered on for EEPROM access to work. */ 1279278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 1280278366Sadrian device_printf(sc->sc_dev, 1281278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 1282278366Sadrian error); 1283278366Sadrian return error; 1284278366Sadrian } 1285278366Sadrian 1286278366Sadrian if ((WPI_READ(sc, WPI_EEPROM_GP) & 0x6) == 0) { 1287278366Sadrian device_printf(sc->sc_dev, "bad EEPROM signature\n"); 1288278366Sadrian error = EIO; 1289278366Sadrian goto fail; 1290278366Sadrian } 1291278366Sadrian /* Clear HW ownership of EEPROM. */ 1292278366Sadrian WPI_CLRBITS(sc, WPI_EEPROM_GP, WPI_EEPROM_GP_IF_OWNER); 1293278366Sadrian 1294278366Sadrian /* Read the hardware capabilities, revision and SKU type. */ 1295278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_SKU_CAP, &sc->cap, 1296278366Sadrian sizeof(sc->cap))); 1297278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_REVISION, &sc->rev, 1298278366Sadrian sizeof(sc->rev))); 1299278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_TYPE, &sc->type, 1300278366Sadrian sizeof(sc->type))); 1301278366Sadrian 1302278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, "cap=%x rev=%x type=%x\n", sc->cap, le16toh(sc->rev), 1303278366Sadrian sc->type); 1304278366Sadrian 1305278366Sadrian /* Read the regulatory domain (4 ASCII characters.) */ 1306278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_DOMAIN, sc->domain, 1307278366Sadrian sizeof(sc->domain))); 1308278366Sadrian 1309278366Sadrian /* Read MAC address. */ 1310278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_MAC, macaddr, 1311278366Sadrian IEEE80211_ADDR_LEN)); 1312278366Sadrian 1313278366Sadrian /* Read the list of authorized channels. */ 1314278366Sadrian for (i = 0; i < WPI_CHAN_BANDS_COUNT; i++) 1315278366Sadrian WPI_CHK(wpi_read_eeprom_channels(sc, i)); 1316278366Sadrian 1317278366Sadrian /* Read the list of TX power groups. */ 1318278366Sadrian for (i = 0; i < WPI_POWER_GROUPS_COUNT; i++) 1319278366Sadrian WPI_CHK(wpi_read_eeprom_group(sc, i)); 1320278366Sadrian 1321278366Sadrianfail: wpi_apm_stop(sc); /* Power OFF adapter. */ 1322278366Sadrian 1323278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, error ? TRACE_STR_END_ERR : TRACE_STR_END, 1324278366Sadrian __func__); 1325278366Sadrian 1326278366Sadrian return error; 1327278366Sadrian#undef WPI_CHK 1328278366Sadrian} 1329278366Sadrian 1330278366Sadrian/* 1331278366Sadrian * Translate EEPROM flags to net80211. 1332278366Sadrian */ 1333278366Sadrianstatic uint32_t 1334278366Sadrianwpi_eeprom_channel_flags(struct wpi_eeprom_chan *channel) 1335278366Sadrian{ 1336278366Sadrian uint32_t nflags; 1337278366Sadrian 1338278366Sadrian nflags = 0; 1339278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_ACTIVE) == 0) 1340278366Sadrian nflags |= IEEE80211_CHAN_PASSIVE; 1341278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_IBSS) == 0) 1342278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1343278366Sadrian if (channel->flags & WPI_EEPROM_CHAN_RADAR) { 1344278366Sadrian nflags |= IEEE80211_CHAN_DFS; 1345278366Sadrian /* XXX apparently IBSS may still be marked */ 1346278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1347278366Sadrian } 1348278366Sadrian 1349278366Sadrian return nflags; 1350278366Sadrian} 1351278366Sadrian 1352278366Sadrianstatic void 1353278366Sadrianwpi_read_eeprom_band(struct wpi_softc *sc, int n) 1354278366Sadrian{ 1355278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1356278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1357278366Sadrian struct wpi_eeprom_chan *channels = sc->eeprom_channels[n]; 1358278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1359278366Sadrian struct ieee80211_channel *c; 1360278366Sadrian uint8_t chan; 1361278366Sadrian int i, nflags; 1362278366Sadrian 1363278366Sadrian for (i = 0; i < band->nchan; i++) { 1364278366Sadrian if (!(channels[i].flags & WPI_EEPROM_CHAN_VALID)) { 1365278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 1366278366Sadrian "Channel Not Valid: %d, band %d\n", 1367278366Sadrian band->chan[i],n); 1368278366Sadrian continue; 1369278366Sadrian } 1370278366Sadrian 1371278366Sadrian chan = band->chan[i]; 1372278366Sadrian nflags = wpi_eeprom_channel_flags(&channels[i]); 1373278366Sadrian 1374278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1375278366Sadrian c->ic_ieee = chan; 1376278366Sadrian c->ic_maxregpower = channels[i].maxpwr; 1377278366Sadrian c->ic_maxpower = 2*c->ic_maxregpower; 1378278366Sadrian 1379278366Sadrian if (n == 0) { /* 2GHz band */ 1380278366Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, IEEE80211_CHAN_G); 1381278366Sadrian /* G =>'s B is supported */ 1382278366Sadrian c->ic_flags = IEEE80211_CHAN_B | nflags; 1383278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1384278366Sadrian c[0] = c[-1]; 1385278366Sadrian c->ic_flags = IEEE80211_CHAN_G | nflags; 1386278366Sadrian } else { /* 5GHz band */ 1387278366Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, IEEE80211_CHAN_A); 1388278366Sadrian c->ic_flags = IEEE80211_CHAN_A | nflags; 1389278366Sadrian } 1390278366Sadrian 1391278366Sadrian /* Save maximum allowed TX power for this channel. */ 1392278366Sadrian sc->maxpwr[chan] = channels[i].maxpwr; 1393278366Sadrian 1394278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1395278366Sadrian "adding chan %d (%dMHz) flags=0x%x maxpwr=%d passive=%d," 1396278366Sadrian " offset %d\n", chan, c->ic_freq, 1397278366Sadrian channels[i].flags, sc->maxpwr[chan], 1398278764Sadrian IEEE80211_IS_CHAN_PASSIVE(c), ic->ic_nchans); 1399278366Sadrian } 1400278366Sadrian} 1401278366Sadrian 1402278366Sadrian/** 1403278366Sadrian * Read the eeprom to find out what channels are valid for the given 1404278366Sadrian * band and update net80211 with what we find. 1405278366Sadrian */ 1406278366Sadrianstatic int 1407278366Sadrianwpi_read_eeprom_channels(struct wpi_softc *sc, int n) 1408278366Sadrian{ 1409278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1410278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1411278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1412278366Sadrian int error; 1413278366Sadrian 1414278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1415278366Sadrian 1416278366Sadrian error = wpi_read_prom_data(sc, band->addr, &sc->eeprom_channels[n], 1417278366Sadrian band->nchan * sizeof (struct wpi_eeprom_chan)); 1418278366Sadrian if (error != 0) { 1419278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1420278366Sadrian return error; 1421278366Sadrian } 1422278366Sadrian 1423278366Sadrian wpi_read_eeprom_band(sc, n); 1424278366Sadrian 1425278366Sadrian ieee80211_sort_channels(ic->ic_channels, ic->ic_nchans); 1426278366Sadrian 1427278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1428278366Sadrian 1429173362Sbenjsc return 0; 1430173362Sbenjsc} 1431173362Sbenjsc 1432278366Sadrianstatic struct wpi_eeprom_chan * 1433278366Sadrianwpi_find_eeprom_channel(struct wpi_softc *sc, struct ieee80211_channel *c) 1434278366Sadrian{ 1435278366Sadrian int i, j; 1436278366Sadrian 1437278366Sadrian for (j = 0; j < WPI_CHAN_BANDS_COUNT; j++) 1438278366Sadrian for (i = 0; i < wpi_bands[j].nchan; i++) 1439278366Sadrian if (wpi_bands[j].chan[i] == c->ic_ieee) 1440278366Sadrian return &sc->eeprom_channels[j][i]; 1441278366Sadrian 1442278366Sadrian return NULL; 1443278366Sadrian} 1444278366Sadrian 1445278366Sadrian/* 1446278366Sadrian * Enforce flags read from EEPROM. 1447278366Sadrian */ 1448173362Sbenjscstatic int 1449278366Sadrianwpi_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *rd, 1450278366Sadrian int nchan, struct ieee80211_channel chans[]) 1451173362Sbenjsc{ 1452278366Sadrian struct ifnet *ifp = ic->ic_ifp; 1453278366Sadrian struct wpi_softc *sc = ifp->if_softc; 1454278366Sadrian int i; 1455173362Sbenjsc 1456278366Sadrian for (i = 0; i < nchan; i++) { 1457278366Sadrian struct ieee80211_channel *c = &chans[i]; 1458278366Sadrian struct wpi_eeprom_chan *channel; 1459278366Sadrian 1460278366Sadrian channel = wpi_find_eeprom_channel(sc, c); 1461278366Sadrian if (channel == NULL) { 1462278366Sadrian if_printf(ic->ic_ifp, 1463278366Sadrian "%s: invalid channel %u freq %u/0x%x\n", 1464278366Sadrian __func__, c->ic_ieee, c->ic_freq, c->ic_flags); 1465278366Sadrian return EINVAL; 1466278366Sadrian } 1467278366Sadrian c->ic_flags |= wpi_eeprom_channel_flags(channel); 1468278366Sadrian } 1469278366Sadrian 1470173362Sbenjsc return 0; 1471173362Sbenjsc} 1472173362Sbenjsc 1473173362Sbenjscstatic int 1474278366Sadrianwpi_read_eeprom_group(struct wpi_softc *sc, int n) 1475173362Sbenjsc{ 1476278366Sadrian struct wpi_power_group *group = &sc->groups[n]; 1477278366Sadrian struct wpi_eeprom_group rgroup; 1478278366Sadrian int i, error; 1479173362Sbenjsc 1480278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1481173362Sbenjsc 1482278366Sadrian if ((error = wpi_read_prom_data(sc, WPI_EEPROM_POWER_GRP + n * 32, 1483278366Sadrian &rgroup, sizeof rgroup)) != 0) { 1484278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1485278366Sadrian return error; 1486278366Sadrian } 1487278366Sadrian 1488278366Sadrian /* Save TX power group information. */ 1489278366Sadrian group->chan = rgroup.chan; 1490278366Sadrian group->maxpwr = rgroup.maxpwr; 1491278366Sadrian /* Retrieve temperature at which the samples were taken. */ 1492278366Sadrian group->temp = (int16_t)le16toh(rgroup.temp); 1493278366Sadrian 1494278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1495278366Sadrian "power group %d: chan=%d maxpwr=%d temp=%d\n", n, group->chan, 1496278366Sadrian group->maxpwr, group->temp); 1497278366Sadrian 1498278366Sadrian for (i = 0; i < WPI_SAMPLES_COUNT; i++) { 1499278366Sadrian group->samples[i].index = rgroup.samples[i].index; 1500278366Sadrian group->samples[i].power = rgroup.samples[i].power; 1501278366Sadrian 1502278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1503278366Sadrian "\tsample %d: index=%d power=%d\n", i, 1504278366Sadrian group->samples[i].index, group->samples[i].power); 1505278366Sadrian } 1506278366Sadrian 1507278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1508278366Sadrian 1509173362Sbenjsc return 0; 1510173362Sbenjsc} 1511173362Sbenjsc 1512278366Sadrianstatic struct ieee80211_node * 1513278366Sadrianwpi_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 1514278366Sadrian{ 1515278366Sadrian struct wpi_node *wn; 1516278366Sadrian 1517278366Sadrian wn = malloc(sizeof (struct wpi_node), M_80211_NODE, 1518278366Sadrian M_NOWAIT | M_ZERO); 1519278366Sadrian 1520278366Sadrian if (wn == NULL) 1521278366Sadrian return NULL; 1522278366Sadrian 1523278366Sadrian wn->id = WPI_ID_UNDEFINED; 1524278366Sadrian 1525278366Sadrian return &wn->ni; 1526278366Sadrian} 1527278366Sadrian 1528278366Sadrianstatic void 1529278366Sadrianwpi_node_free(struct ieee80211_node *ni) 1530278366Sadrian{ 1531278366Sadrian struct ieee80211com *ic = ni->ni_ic; 1532278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 1533280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 1534278366Sadrian 1535278366Sadrian if (wn->id >= WPI_ID_IBSS_MIN && wn->id <= WPI_ID_IBSS_MAX) { 1536278366Sadrian free_unr(sc->sc_unr, wn->id); 1537278366Sadrian 1538278366Sadrian WPI_LOCK(sc); 1539278366Sadrian if (sc->rxon.filter & htole32(WPI_FILTER_BSS)) 1540278366Sadrian wpi_del_node(sc, ni); 1541278366Sadrian WPI_UNLOCK(sc); 1542278366Sadrian } 1543278366Sadrian 1544278366Sadrian sc->sc_node_free(ni); 1545278366Sadrian} 1546278366Sadrian 1547173362Sbenjsc/** 1548173362Sbenjsc * Called by net80211 when ever there is a change to 80211 state machine 1549173362Sbenjsc */ 1550173362Sbenjscstatic int 1551178354Ssamwpi_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1552173362Sbenjsc{ 1553178354Ssam struct wpi_vap *wvp = WPI_VAP(vap); 1554178354Ssam struct ieee80211com *ic = vap->iv_ic; 1555173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 1556173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 1557278366Sadrian int error = 0; 1558173362Sbenjsc 1559278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1560278366Sadrian 1561278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "%s: %s -> %s\n", __func__, 1562178354Ssam ieee80211_state_name[vap->iv_state], 1563278366Sadrian ieee80211_state_name[nstate]); 1564173362Sbenjsc 1565191746Sthompsa IEEE80211_UNLOCK(ic); 1566191746Sthompsa WPI_LOCK(sc); 1567278366Sadrian switch (nstate) { 1568278366Sadrian case IEEE80211_S_SCAN: 1569278366Sadrian if ((vap->iv_opmode == IEEE80211_M_IBSS || 1570278366Sadrian vap->iv_opmode == IEEE80211_M_AHDEMO) && 1571278366Sadrian (sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 1572278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 1573278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 1574278366Sadrian device_printf(sc->sc_dev, 1575278366Sadrian "%s: could not send RXON\n", __func__); 1576278366Sadrian } 1577216238Sbschmidt } 1578278366Sadrian break; 1579278366Sadrian 1580278366Sadrian case IEEE80211_S_ASSOC: 1581278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1582278366Sadrian break; 1583278366Sadrian /* FALLTHROUGH */ 1584278366Sadrian case IEEE80211_S_AUTH: 1585216238Sbschmidt /* 1586216238Sbschmidt * The node must be registered in the firmware before auth. 1587216238Sbschmidt * Also the associd must be cleared on RUN -> ASSOC 1588216238Sbschmidt * transitions. 1589216238Sbschmidt */ 1590278366Sadrian if ((error = wpi_auth(sc, vap)) != 0) { 1591191746Sthompsa device_printf(sc->sc_dev, 1592278366Sadrian "%s: could not move to AUTH state, error %d\n", 1593191746Sthompsa __func__, error); 1594191746Sthompsa } 1595278366Sadrian break; 1596278366Sadrian 1597278366Sadrian case IEEE80211_S_RUN: 1598278366Sadrian /* 1599278366Sadrian * RUN -> RUN transition; Just restart the timers. 1600278366Sadrian */ 1601278366Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 1602278366Sadrian wpi_calib_timeout(sc); 1603278366Sadrian break; 1604278366Sadrian } 1605278366Sadrian 1606278366Sadrian /* 1607278366Sadrian * !RUN -> RUN requires setting the association id 1608278366Sadrian * which is done with a firmware cmd. We also defer 1609278366Sadrian * starting the timers until that work is done. 1610278366Sadrian */ 1611278366Sadrian if ((error = wpi_run(sc, vap)) != 0) { 1612191746Sthompsa device_printf(sc->sc_dev, 1613278366Sadrian "%s: could not move to RUN state\n", __func__); 1614191746Sthompsa } 1615278366Sadrian break; 1616278366Sadrian 1617278366Sadrian default: 1618278366Sadrian break; 1619178354Ssam } 1620191746Sthompsa WPI_UNLOCK(sc); 1621191746Sthompsa IEEE80211_LOCK(ic); 1622278366Sadrian if (error != 0) { 1623278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1624278366Sadrian return error; 1625278366Sadrian } 1626173362Sbenjsc 1627278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1628173362Sbenjsc 1629278366Sadrian return wvp->newstate(vap, nstate, arg); 1630173362Sbenjsc} 1631173362Sbenjsc 1632173362Sbenjscstatic void 1633278366Sadrianwpi_calib_timeout(void *arg) 1634173362Sbenjsc{ 1635278366Sadrian struct wpi_softc *sc = arg; 1636278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1637278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1638278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1639173362Sbenjsc 1640278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1641278366Sadrian return; 1642173362Sbenjsc 1643278366Sadrian wpi_power_calibration(sc); 1644173362Sbenjsc 1645278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 1646173362Sbenjsc} 1647173362Sbenjsc 1648278366Sadrianstatic __inline uint8_t 1649278366Sadrianrate2plcp(const uint8_t rate) 1650173362Sbenjsc{ 1651278366Sadrian switch (rate) { 1652278366Sadrian case 12: return 0xd; 1653278366Sadrian case 18: return 0xf; 1654278366Sadrian case 24: return 0x5; 1655278366Sadrian case 36: return 0x7; 1656278366Sadrian case 48: return 0x9; 1657278366Sadrian case 72: return 0xb; 1658278366Sadrian case 96: return 0x1; 1659278366Sadrian case 108: return 0x3; 1660278366Sadrian case 2: return 10; 1661278366Sadrian case 4: return 20; 1662278366Sadrian case 11: return 55; 1663278366Sadrian case 22: return 110; 1664278366Sadrian default: return 0; 1665173362Sbenjsc } 1666173362Sbenjsc} 1667173362Sbenjsc 1668278366Sadrianstatic __inline uint8_t 1669278366Sadrianplcp2rate(const uint8_t plcp) 1670173362Sbenjsc{ 1671278366Sadrian switch (plcp) { 1672278366Sadrian case 0xd: return 12; 1673278366Sadrian case 0xf: return 18; 1674278366Sadrian case 0x5: return 24; 1675278366Sadrian case 0x7: return 36; 1676278366Sadrian case 0x9: return 48; 1677278366Sadrian case 0xb: return 72; 1678278366Sadrian case 0x1: return 96; 1679278366Sadrian case 0x3: return 108; 1680278366Sadrian case 10: return 2; 1681278366Sadrian case 20: return 4; 1682278366Sadrian case 55: return 11; 1683278366Sadrian case 110: return 22; 1684278366Sadrian default: return 0; 1685173362Sbenjsc } 1686278366Sadrian} 1687173362Sbenjsc 1688278366Sadrian/* Quickly determine if a given rate is CCK or OFDM. */ 1689278366Sadrian#define WPI_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22) 1690173362Sbenjsc 1691173362Sbenjscstatic void 1692278366Sadrianwpi_rx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1693278366Sadrian struct wpi_rx_data *data) 1694173362Sbenjsc{ 1695178354Ssam struct ifnet *ifp = sc->sc_ifp; 1696278366Sadrian const struct ieee80211_cipher *cip = NULL; 1697178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1698173362Sbenjsc struct wpi_rx_ring *ring = &sc->rxq; 1699173362Sbenjsc struct wpi_rx_stat *stat; 1700173362Sbenjsc struct wpi_rx_head *head; 1701173362Sbenjsc struct wpi_rx_tail *tail; 1702278366Sadrian struct ieee80211_frame *wh; 1703173362Sbenjsc struct ieee80211_node *ni; 1704278366Sadrian struct mbuf *m, *m1; 1705177043Sthompsa bus_addr_t paddr; 1706278366Sadrian uint32_t flags; 1707278366Sadrian uint16_t len; 1708177043Sthompsa int error; 1709173362Sbenjsc 1710173362Sbenjsc stat = (struct wpi_rx_stat *)(desc + 1); 1711173362Sbenjsc 1712173362Sbenjsc if (stat->len > WPI_STAT_MAXLEN) { 1713278366Sadrian device_printf(sc->sc_dev, "invalid RX statistic header\n"); 1714278764Sadrian goto fail1; 1715173362Sbenjsc } 1716173362Sbenjsc 1717216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTREAD); 1718173362Sbenjsc head = (struct wpi_rx_head *)((caddr_t)(stat + 1) + stat->len); 1719278366Sadrian len = le16toh(head->len); 1720278366Sadrian tail = (struct wpi_rx_tail *)((caddr_t)(head + 1) + len); 1721278366Sadrian flags = le32toh(tail->flags); 1722173362Sbenjsc 1723278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: idx %d len %d stat len %u rssi %d" 1724278366Sadrian " rate %x chan %d tstamp %ju\n", __func__, ring->cur, 1725278366Sadrian le32toh(desc->len), len, (int8_t)stat->rssi, 1726278366Sadrian head->plcp, head->chan, (uintmax_t)le64toh(tail->tstamp)); 1727173362Sbenjsc 1728278366Sadrian /* Discard frames with a bad FCS early. */ 1729278366Sadrian if ((flags & WPI_RX_NOERROR) != WPI_RX_NOERROR) { 1730278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: RX flags error %x\n", 1731278366Sadrian __func__, flags); 1732278764Sadrian goto fail1; 1733190458Sjmallett } 1734278366Sadrian /* Discard frames that are too short. */ 1735278366Sadrian if (len < sizeof (*wh)) { 1736278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: frame too short: %d\n", 1737278366Sadrian __func__, len); 1738278764Sadrian goto fail1; 1739190458Sjmallett } 1740190458Sjmallett 1741278366Sadrian m1 = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1742278366Sadrian if (m1 == NULL) { 1743278366Sadrian DPRINTF(sc, WPI_DEBUG_ANY, "%s: no mbuf to restock ring\n", 1744278366Sadrian __func__); 1745278764Sadrian goto fail1; 1746177043Sthompsa } 1747216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1748216824Sbschmidt 1749278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, mtod(m1, void *), 1750278366Sadrian MJUMPAGESIZE, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 1751177043Sthompsa if (error != 0 && error != EFBIG) { 1752177043Sthompsa device_printf(sc->sc_dev, 1753177043Sthompsa "%s: bus_dmamap_load failed, error %d\n", __func__, error); 1754278366Sadrian m_freem(m1); 1755278366Sadrian 1756278366Sadrian /* Try to reload the old mbuf. */ 1757278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, 1758278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1759278366Sadrian &paddr, BUS_DMA_NOWAIT); 1760278366Sadrian if (error != 0 && error != EFBIG) { 1761278366Sadrian panic("%s: could not load old RX mbuf", __func__); 1762278366Sadrian } 1763278366Sadrian /* Physical address may have changed. */ 1764278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1765278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->desc_dma.map, 1766278366Sadrian BUS_DMASYNC_PREWRITE); 1767278764Sadrian goto fail1; 1768177043Sthompsa } 1769177043Sthompsa 1770173362Sbenjsc m = data->m; 1771278366Sadrian data->m = m1; 1772278366Sadrian /* Update RX descriptor. */ 1773278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1774278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1775278366Sadrian BUS_DMASYNC_PREWRITE); 1776278366Sadrian 1777278366Sadrian /* Finalize mbuf. */ 1778173362Sbenjsc m->m_pkthdr.rcvif = ifp; 1779173362Sbenjsc m->m_data = (caddr_t)(head + 1); 1780278366Sadrian m->m_pkthdr.len = m->m_len = len; 1781173362Sbenjsc 1782278366Sadrian /* Grab a reference to the source node. */ 1783278366Sadrian wh = mtod(m, struct ieee80211_frame *); 1784278366Sadrian ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1785173362Sbenjsc 1786278366Sadrian if (ni != NULL) 1787278366Sadrian cip = ni->ni_ucastkey.wk_cipher; 1788278366Sadrian if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) && 1789278366Sadrian !IEEE80211_IS_MULTICAST(wh->i_addr1) && 1790278366Sadrian cip != NULL && cip->ic_cipher == IEEE80211_CIPHER_AES_CCM) { 1791278764Sadrian if ((flags & WPI_RX_CIPHER_MASK) != WPI_RX_CIPHER_CCMP) 1792278764Sadrian goto fail2; 1793278764Sadrian 1794278366Sadrian /* Check whether decryption was successful or not. */ 1795278366Sadrian if ((flags & WPI_RX_DECRYPT_MASK) != WPI_RX_DECRYPT_OK) { 1796278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, 1797278366Sadrian "CCMP decryption failed 0x%x\n", flags); 1798278764Sadrian goto fail2; 1799278366Sadrian } 1800278366Sadrian m->m_flags |= M_WEP; 1801278366Sadrian } 1802278366Sadrian 1803192468Ssam if (ieee80211_radiotap_active(ic)) { 1804173362Sbenjsc struct wpi_rx_radiotap_header *tap = &sc->sc_rxtap; 1805173362Sbenjsc 1806173362Sbenjsc tap->wr_flags = 0; 1807278366Sadrian if (head->flags & htole16(WPI_STAT_FLAG_SHPREAMBLE)) 1808278366Sadrian tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 1809173362Sbenjsc tap->wr_dbm_antsignal = (int8_t)(stat->rssi - WPI_RSSI_OFFSET); 1810173362Sbenjsc tap->wr_dbm_antnoise = (int8_t)le16toh(stat->noise); 1811173362Sbenjsc tap->wr_tsft = tail->tstamp; 1812173362Sbenjsc tap->wr_antenna = (le16toh(head->flags) >> 4) & 0xf; 1813278366Sadrian tap->wr_rate = plcp2rate(head->plcp); 1814173362Sbenjsc } 1815173362Sbenjsc 1816173362Sbenjsc WPI_UNLOCK(sc); 1817173362Sbenjsc 1818278366Sadrian /* Send the frame to the 802.11 layer. */ 1819178354Ssam if (ni != NULL) { 1820278366Sadrian (void)ieee80211_input(ni, m, stat->rssi, -WPI_RSSI_OFFSET); 1821278366Sadrian /* Node is no longer needed. */ 1822178354Ssam ieee80211_free_node(ni); 1823178354Ssam } else 1824278366Sadrian (void)ieee80211_input_all(ic, m, stat->rssi, -WPI_RSSI_OFFSET); 1825173362Sbenjsc 1826173362Sbenjsc WPI_LOCK(sc); 1827278764Sadrian 1828278764Sadrian return; 1829278764Sadrian 1830278764Sadrianfail2: ieee80211_free_node(ni); 1831278764Sadrian m_freem(m); 1832278764Sadrian 1833278764Sadrianfail1: if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1834173362Sbenjsc} 1835173362Sbenjsc 1836173362Sbenjscstatic void 1837278366Sadrianwpi_rx_statistics(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1838278366Sadrian struct wpi_rx_data *data) 1839173362Sbenjsc{ 1840278366Sadrian /* Ignore */ 1841278366Sadrian} 1842278366Sadrian 1843278366Sadrianstatic void 1844278366Sadrianwpi_tx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1845278366Sadrian{ 1846178354Ssam struct ifnet *ifp = sc->sc_ifp; 1847173362Sbenjsc struct wpi_tx_ring *ring = &sc->txq[desc->qid & 0x3]; 1848278366Sadrian struct wpi_tx_data *data = &ring->data[desc->idx]; 1849173362Sbenjsc struct wpi_tx_stat *stat = (struct wpi_tx_stat *)(desc + 1); 1850278366Sadrian struct mbuf *m; 1851278366Sadrian struct ieee80211_node *ni; 1852278366Sadrian struct ieee80211vap *vap; 1853280054Sadrian int ackfailcnt = stat->ackfailcnt / 2; /* wpi_mrr_setup() */ 1854278366Sadrian int status = le32toh(stat->status); 1855173362Sbenjsc 1856278366Sadrian KASSERT(data->ni != NULL, ("no node")); 1857173362Sbenjsc 1858278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1859278366Sadrian 1860278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: " 1861278366Sadrian "qid %d idx %d retries %d btkillcnt %d rate %x duration %d " 1862278764Sadrian "status %x\n", __func__, desc->qid, desc->idx, ackfailcnt, 1863278366Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), status); 1864278366Sadrian 1865278366Sadrian /* Unmap and free mbuf. */ 1866278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTWRITE); 1867278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1868278366Sadrian m = data->m, data->m = NULL; 1869278366Sadrian ni = data->ni, data->ni = NULL; 1870278366Sadrian vap = ni->ni_vap; 1871278366Sadrian 1872173362Sbenjsc /* 1873173362Sbenjsc * Update rate control statistics for the node. 1874173362Sbenjsc */ 1875278366Sadrian WPI_UNLOCK(sc); 1876278366Sadrian if ((status & 0xff) != 1) { 1877271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1878278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1879278764Sadrian IEEE80211_RATECTL_TX_FAILURE, &ackfailcnt, NULL); 1880278366Sadrian } else { 1881271849Sglebius if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1882278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1883278764Sadrian IEEE80211_RATECTL_TX_SUCCESS, &ackfailcnt, NULL); 1884278366Sadrian } 1885173362Sbenjsc 1886278366Sadrian ieee80211_tx_complete(ni, m, (status & 0xff) != 1); 1887278366Sadrian WPI_LOCK(sc); 1888173362Sbenjsc 1889278366Sadrian sc->sc_tx_timer = 0; 1890278366Sadrian if (--ring->queued < WPI_TX_RING_LOMARK) { 1891278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1892278366Sadrian if (sc->qfullmsk == 0 && 1893278366Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) { 1894278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1895278366Sadrian wpi_start_locked(ifp); 1896278366Sadrian } 1897278366Sadrian } 1898173362Sbenjsc 1899278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1900173362Sbenjsc} 1901173362Sbenjsc 1902278366Sadrian/* 1903278366Sadrian * Process a "command done" firmware notification. This is where we wakeup 1904278366Sadrian * processes waiting for a synchronous command completion. 1905278366Sadrian */ 1906173362Sbenjscstatic void 1907278366Sadrianwpi_cmd_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1908173362Sbenjsc{ 1909278366Sadrian struct wpi_tx_ring *ring = &sc->txq[4]; 1910173362Sbenjsc struct wpi_tx_data *data; 1911173362Sbenjsc 1912278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "cmd notification qid=%x idx=%d flags=%x " 1913278366Sadrian "type=%s len=%d\n", desc->qid, desc->idx, 1914278366Sadrian desc->flags, wpi_cmd_str(desc->type), 1915278366Sadrian le32toh(desc->len)); 1916173362Sbenjsc 1917173362Sbenjsc if ((desc->qid & 7) != 4) 1918278366Sadrian return; /* Not a command ack. */ 1919173362Sbenjsc 1920173362Sbenjsc data = &ring->data[desc->idx]; 1921173362Sbenjsc 1922278366Sadrian /* If the command was mapped in an mbuf, free it. */ 1923173362Sbenjsc if (data->m != NULL) { 1924278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1925278366Sadrian BUS_DMASYNC_POSTWRITE); 1926173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1927173362Sbenjsc m_freem(data->m); 1928173362Sbenjsc data->m = NULL; 1929173362Sbenjsc } 1930173362Sbenjsc 1931173362Sbenjsc sc->flags &= ~WPI_FLAG_BUSY; 1932173362Sbenjsc wakeup(&ring->cmd[desc->idx]); 1933173362Sbenjsc} 1934173362Sbenjsc 1935173362Sbenjscstatic void 1936173362Sbenjscwpi_notif_intr(struct wpi_softc *sc) 1937173362Sbenjsc{ 1938178354Ssam struct ifnet *ifp = sc->sc_ifp; 1939178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1940278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1941278366Sadrian int hw; 1942173362Sbenjsc 1943216523Sbschmidt bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 1944216523Sbschmidt BUS_DMASYNC_POSTREAD); 1945216523Sbschmidt 1946173362Sbenjsc hw = le32toh(sc->shared->next); 1947278366Sadrian hw = (hw == 0) ? WPI_RX_RING_COUNT - 1 : hw - 1; 1948216523Sbschmidt 1949278764Sadrian while (sc->rxq.cur != hw) { 1950278366Sadrian sc->rxq.cur = (sc->rxq.cur + 1) % WPI_RX_RING_COUNT; 1951278366Sadrian 1952278366Sadrian struct wpi_rx_data *data = &sc->rxq.data[sc->rxq.cur]; 1953278366Sadrian struct wpi_rx_desc *desc; 1954278366Sadrian 1955216523Sbschmidt bus_dmamap_sync(sc->rxq.data_dmat, data->map, 1956216523Sbschmidt BUS_DMASYNC_POSTREAD); 1957278366Sadrian desc = mtod(data->m, struct wpi_rx_desc *); 1958173362Sbenjsc 1959278366Sadrian DPRINTF(sc, WPI_DEBUG_NOTIFY, 1960278366Sadrian "%s: cur=%d; qid %x idx %d flags %x type %d(%s) len %d\n", 1961278366Sadrian __func__, sc->rxq.cur, desc->qid, desc->idx, desc->flags, 1962278366Sadrian desc->type, wpi_cmd_str(desc->type), le32toh(desc->len)); 1963173362Sbenjsc 1964278366Sadrian if (!(desc->qid & 0x80)) /* Reply to a command. */ 1965278366Sadrian wpi_cmd_done(sc, desc); 1966173362Sbenjsc 1967173362Sbenjsc switch (desc->type) { 1968173362Sbenjsc case WPI_RX_DONE: 1969278366Sadrian /* An 802.11 frame has been received. */ 1970278366Sadrian wpi_rx_done(sc, desc, data); 1971280055Sadrian 1972280055Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 1973280055Sadrian /* wpi_stop() was called. */ 1974280055Sadrian return; 1975280055Sadrian } 1976280055Sadrian 1977173362Sbenjsc break; 1978173362Sbenjsc 1979173362Sbenjsc case WPI_TX_DONE: 1980278366Sadrian /* An 802.11 frame has been transmitted. */ 1981278366Sadrian wpi_tx_done(sc, desc); 1982173362Sbenjsc break; 1983173362Sbenjsc 1984278366Sadrian case WPI_RX_STATISTICS: 1985278366Sadrian case WPI_BEACON_STATISTICS: 1986278366Sadrian wpi_rx_statistics(sc, desc, data); 1987278366Sadrian break; 1988278366Sadrian 1989278366Sadrian case WPI_BEACON_MISSED: 1990278366Sadrian { 1991278366Sadrian struct wpi_beacon_missed *miss = 1992278366Sadrian (struct wpi_beacon_missed *)(desc + 1); 1993278366Sadrian int misses; 1994278366Sadrian 1995278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 1996278366Sadrian BUS_DMASYNC_POSTREAD); 1997278366Sadrian misses = le32toh(miss->consecutive); 1998278366Sadrian 1999278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, 2000278366Sadrian "%s: beacons missed %d/%d\n", __func__, misses, 2001278366Sadrian le32toh(miss->total)); 2002278366Sadrian 2003278366Sadrian if (vap->iv_state == IEEE80211_S_RUN && 2004280051Sadrian (ic->ic_flags & IEEE80211_F_SCAN) == 0) { 2005278366Sadrian if (misses >= vap->iv_bmissthreshold) { 2006278366Sadrian WPI_UNLOCK(sc); 2007278366Sadrian ieee80211_beacon_miss(ic); 2008278366Sadrian WPI_LOCK(sc); 2009278366Sadrian } 2010278366Sadrian } 2011278366Sadrian break; 2012278366Sadrian } 2013173362Sbenjsc case WPI_UC_READY: 2014173362Sbenjsc { 2015173362Sbenjsc struct wpi_ucode_info *uc = 2016278366Sadrian (struct wpi_ucode_info *)(desc + 1); 2017173362Sbenjsc 2018278366Sadrian /* The microcontroller is ready. */ 2019278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2020278366Sadrian BUS_DMASYNC_POSTREAD); 2021278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, 2022278366Sadrian "microcode alive notification version=%d.%d " 2023278366Sadrian "subtype=%x alive=%x\n", uc->major, uc->minor, 2024278366Sadrian uc->subtype, le32toh(uc->valid)); 2025173362Sbenjsc 2026173362Sbenjsc if (le32toh(uc->valid) != 1) { 2027173362Sbenjsc device_printf(sc->sc_dev, 2028173362Sbenjsc "microcontroller initialization failed\n"); 2029173362Sbenjsc wpi_stop_locked(sc); 2030173362Sbenjsc } 2031278366Sadrian /* Save the address of the error log in SRAM. */ 2032278366Sadrian sc->errptr = le32toh(uc->errptr); 2033173362Sbenjsc break; 2034173362Sbenjsc } 2035173362Sbenjsc case WPI_STATE_CHANGED: 2036173362Sbenjsc { 2037280059Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2038280059Sadrian BUS_DMASYNC_POSTREAD); 2039278366Sadrian 2040173362Sbenjsc uint32_t *status = (uint32_t *)(desc + 1); 2041278764Sadrian 2042278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "state changed to %x\n", 2043278366Sadrian le32toh(*status)); 2044278764Sadrian 2045173362Sbenjsc if (le32toh(*status) & 1) { 2046278366Sadrian ieee80211_runtask(ic, &sc->sc_radiooff_task); 2047278366Sadrian return; 2048173362Sbenjsc } 2049173362Sbenjsc break; 2050173362Sbenjsc } 2051173362Sbenjsc case WPI_START_SCAN: 2052173362Sbenjsc { 2053278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2054278366Sadrian BUS_DMASYNC_POSTREAD); 2055179957Sthompsa#ifdef WPI_DEBUG 2056173362Sbenjsc struct wpi_start_scan *scan = 2057278366Sadrian (struct wpi_start_scan *)(desc + 1); 2058278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2059278366Sadrian "%s: scanning channel %d status %x\n", 2060278366Sadrian __func__, scan->chan, le32toh(scan->status)); 2061179957Sthompsa#endif 2062173362Sbenjsc break; 2063173362Sbenjsc } 2064173362Sbenjsc case WPI_STOP_SCAN: 2065173362Sbenjsc { 2066278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2067278366Sadrian BUS_DMASYNC_POSTREAD); 2068179957Sthompsa#ifdef WPI_DEBUG 2069173362Sbenjsc struct wpi_stop_scan *scan = 2070278366Sadrian (struct wpi_stop_scan *)(desc + 1); 2071278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2072278366Sadrian "scan finished nchan=%d status=%d chan=%d\n", 2073278366Sadrian scan->nchan, scan->status, scan->chan); 2074179957Sthompsa#endif 2075177043Sthompsa sc->sc_scan_timer = 0; 2076278366Sadrian WPI_UNLOCK(sc); 2077178354Ssam ieee80211_scan_next(vap); 2078278366Sadrian WPI_LOCK(sc); 2079173362Sbenjsc break; 2080173362Sbenjsc } 2081278366Sadrian } 2082278764Sadrian } 2083173976Sbenjsc 2084278366Sadrian /* Tell the firmware what we have processed. */ 2085278366Sadrian wpi_update_rx_ring(sc); 2086278366Sadrian} 2087278366Sadrian 2088278366Sadrian/* 2089278366Sadrian * Process an INT_WAKEUP interrupt raised when the microcontroller wakes up 2090278366Sadrian * from power-down sleep mode. 2091278366Sadrian */ 2092280059Sadrianstatic void 2093278366Sadrianwpi_wakeup_intr(struct wpi_softc *sc) 2094278366Sadrian{ 2095278366Sadrian int qid; 2096278366Sadrian 2097278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 2098278366Sadrian "%s: ucode wakeup from power-down sleep\n", __func__); 2099278366Sadrian 2100278366Sadrian /* Wakeup RX and TX rings. */ 2101278366Sadrian if (sc->rxq.update) { 2102278764Sadrian sc->rxq.update = 0; 2103278366Sadrian wpi_update_rx_ring(sc); 2104278366Sadrian } 2105280058Sadrian for (qid = 0; qid < WPI_DRV_NTXQUEUES; qid++) { 2106278366Sadrian struct wpi_tx_ring *ring = &sc->txq[qid]; 2107278366Sadrian 2108278366Sadrian if (ring->update) { 2109278764Sadrian ring->update = 0; 2110278366Sadrian wpi_update_tx_ring(sc, ring); 2111173362Sbenjsc } 2112278366Sadrian } 2113173362Sbenjsc 2114278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 2115278366Sadrian} 2116278366Sadrian 2117278366Sadrian/* 2118278366Sadrian * Dump the error log of the firmware when a firmware panic occurs. Although 2119278366Sadrian * we can't debug the firmware because it is neither open source nor free, it 2120278366Sadrian * can help us to identify certain classes of problems. 2121278366Sadrian */ 2122278366Sadrianstatic void 2123278366Sadrianwpi_fatal_intr(struct wpi_softc *sc) 2124278366Sadrian{ 2125278366Sadrian struct wpi_fw_dump dump; 2126278366Sadrian uint32_t i, offset, count; 2127278366Sadrian const uint32_t size_errmsg = 2128278366Sadrian (sizeof (wpi_fw_errmsg) / sizeof ((wpi_fw_errmsg)[0])); 2129278366Sadrian 2130278366Sadrian /* Check that the error log address is valid. */ 2131278366Sadrian if (sc->errptr < WPI_FW_DATA_BASE || 2132278366Sadrian sc->errptr + sizeof (dump) > 2133278366Sadrian WPI_FW_DATA_BASE + WPI_FW_DATA_MAXSZ) { 2134278366Sadrian printf("%s: bad firmware error log address 0x%08x\n", __func__, 2135278366Sadrian sc->errptr); 2136280059Sadrian return; 2137280059Sadrian } 2138278366Sadrian if (wpi_nic_lock(sc) != 0) { 2139278366Sadrian printf("%s: could not read firmware error log\n", __func__); 2140280059Sadrian return; 2141280059Sadrian } 2142278366Sadrian /* Read number of entries in the log. */ 2143278366Sadrian count = wpi_mem_read(sc, sc->errptr); 2144278366Sadrian if (count == 0 || count * sizeof (dump) > WPI_FW_DATA_MAXSZ) { 2145278366Sadrian printf("%s: invalid count field (count = %u)\n", __func__, 2146278366Sadrian count); 2147278366Sadrian wpi_nic_unlock(sc); 2148278366Sadrian return; 2149173362Sbenjsc } 2150278366Sadrian /* Skip "count" field. */ 2151278366Sadrian offset = sc->errptr + sizeof (uint32_t); 2152278366Sadrian printf("firmware error log (count = %u):\n", count); 2153278366Sadrian for (i = 0; i < count; i++) { 2154278366Sadrian wpi_mem_read_region_4(sc, offset, (uint32_t *)&dump, 2155278366Sadrian sizeof (dump) / sizeof (uint32_t)); 2156173362Sbenjsc 2157278366Sadrian printf(" error type = \"%s\" (0x%08X)\n", 2158278366Sadrian (dump.desc < size_errmsg) ? 2159278366Sadrian wpi_fw_errmsg[dump.desc] : "UNKNOWN", 2160278366Sadrian dump.desc); 2161278366Sadrian printf(" error data = 0x%08X\n", 2162278366Sadrian dump.data); 2163278366Sadrian printf(" branch link = 0x%08X%08X\n", 2164278366Sadrian dump.blink[0], dump.blink[1]); 2165278366Sadrian printf(" interrupt link = 0x%08X%08X\n", 2166278366Sadrian dump.ilink[0], dump.ilink[1]); 2167278366Sadrian printf(" time = %u\n", dump.time); 2168278366Sadrian 2169278366Sadrian offset += sizeof (dump); 2170278366Sadrian } 2171278366Sadrian wpi_nic_unlock(sc); 2172278366Sadrian /* Dump driver status (TX and RX rings) while we're here. */ 2173278366Sadrian printf("driver status:\n"); 2174280058Sadrian for (i = 0; i < WPI_DRV_NTXQUEUES; i++) { 2175278366Sadrian struct wpi_tx_ring *ring = &sc->txq[i]; 2176278366Sadrian printf(" tx ring %2d: qid=%-2d cur=%-3d queued=%-3d\n", 2177278366Sadrian i, ring->qid, ring->cur, ring->queued); 2178278366Sadrian } 2179278366Sadrian printf(" rx ring: cur=%d\n", sc->rxq.cur); 2180173362Sbenjsc} 2181173362Sbenjsc 2182173362Sbenjscstatic void 2183173362Sbenjscwpi_intr(void *arg) 2184173362Sbenjsc{ 2185173362Sbenjsc struct wpi_softc *sc = arg; 2186278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2187278366Sadrian uint32_t r1, r2; 2188173362Sbenjsc 2189173362Sbenjsc WPI_LOCK(sc); 2190173362Sbenjsc 2191278366Sadrian /* Disable interrupts. */ 2192278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 2193278366Sadrian 2194278366Sadrian r1 = WPI_READ(sc, WPI_INT); 2195278366Sadrian 2196278366Sadrian if (r1 == 0xffffffff || (r1 & 0xfffffff0) == 0xa5a5a5a0) { 2197173362Sbenjsc WPI_UNLOCK(sc); 2198278366Sadrian return; /* Hardware gone! */ 2199173362Sbenjsc } 2200173362Sbenjsc 2201278366Sadrian r2 = WPI_READ(sc, WPI_FH_INT); 2202173362Sbenjsc 2203278366Sadrian DPRINTF(sc, WPI_DEBUG_INTR, "%s: reg1=0x%08x reg2=0x%08x\n", __func__, 2204278366Sadrian r1, r2); 2205278366Sadrian 2206278366Sadrian if (r1 == 0 && r2 == 0) 2207278366Sadrian goto done; /* Interrupt not for us. */ 2208278366Sadrian 2209278366Sadrian /* Acknowledge interrupts. */ 2210278366Sadrian WPI_WRITE(sc, WPI_INT, r1); 2211278366Sadrian WPI_WRITE(sc, WPI_FH_INT, r2); 2212278366Sadrian 2213278366Sadrian if (r1 & (WPI_INT_SW_ERR | WPI_INT_HW_ERR)) { 2214191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 2215191746Sthompsa 2216173362Sbenjsc device_printf(sc->sc_dev, "fatal firmware error\n"); 2217278366Sadrian wpi_fatal_intr(sc); 2218278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 2219278366Sadrian "(%s)\n", (r1 & WPI_INT_SW_ERR) ? "(Software Error)" : 2220278366Sadrian "(Hardware Error)"); 2221278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2222173362Sbenjsc sc->flags &= ~WPI_FLAG_BUSY; 2223173362Sbenjsc WPI_UNLOCK(sc); 2224173362Sbenjsc return; 2225173362Sbenjsc } 2226173362Sbenjsc 2227278366Sadrian if ((r1 & (WPI_INT_FH_RX | WPI_INT_SW_RX)) || 2228278366Sadrian (r2 & WPI_FH_INT_RX)) 2229173362Sbenjsc wpi_notif_intr(sc); 2230173362Sbenjsc 2231278366Sadrian if (r1 & WPI_INT_ALIVE) 2232278366Sadrian wakeup(sc); /* Firmware is alive. */ 2233173362Sbenjsc 2234278366Sadrian if (r1 & WPI_INT_WAKEUP) 2235278366Sadrian wpi_wakeup_intr(sc); 2236173362Sbenjsc 2237278366Sadriandone: 2238278366Sadrian /* Re-enable interrupts. */ 2239278366Sadrian if (ifp->if_flags & IFF_UP) 2240278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 2241278366Sadrian 2242173362Sbenjsc WPI_UNLOCK(sc); 2243173362Sbenjsc} 2244173362Sbenjsc 2245278366Sadrianstatic int 2246278366Sadrianwpi_cmd2(struct wpi_softc *sc, struct wpi_buf *buf) 2247173362Sbenjsc{ 2248278366Sadrian struct ieee80211_frame *wh; 2249278366Sadrian struct wpi_tx_cmd *cmd; 2250278366Sadrian struct wpi_tx_data *data; 2251278366Sadrian struct wpi_tx_desc *desc; 2252278366Sadrian struct wpi_tx_ring *ring; 2253278366Sadrian struct mbuf *m1; 2254278366Sadrian bus_dma_segment_t *seg, segs[WPI_MAX_SCATTER]; 2255279763Sadrian int error, i, hdrlen, nsegs, totlen, pad; 2256173362Sbenjsc 2257278366Sadrian WPI_LOCK_ASSERT(sc); 2258173362Sbenjsc 2259278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2260278366Sadrian 2261278366Sadrian wh = mtod(buf->m, struct ieee80211_frame *); 2262279763Sadrian hdrlen = ieee80211_anyhdrsize(wh); 2263278366Sadrian totlen = buf->m->m_pkthdr.len; 2264278366Sadrian 2265279763Sadrian if (hdrlen & 3) { 2266279763Sadrian /* First segment length must be a multiple of 4. */ 2267279763Sadrian pad = 4 - (hdrlen & 3); 2268279763Sadrian } else 2269279763Sadrian pad = 0; 2270279763Sadrian 2271278366Sadrian ring = &sc->txq[buf->ac]; 2272278366Sadrian desc = &ring->desc[ring->cur]; 2273278366Sadrian data = &ring->data[ring->cur]; 2274278366Sadrian 2275278366Sadrian /* Prepare TX firmware command. */ 2276278366Sadrian cmd = &ring->cmd[ring->cur]; 2277278366Sadrian cmd->code = buf->code; 2278278366Sadrian cmd->flags = 0; 2279278366Sadrian cmd->qid = ring->qid; 2280278366Sadrian cmd->idx = ring->cur; 2281278366Sadrian 2282278366Sadrian memcpy(cmd->data, buf->data, buf->size); 2283278366Sadrian 2284278366Sadrian /* Save and trim IEEE802.11 header. */ 2285279763Sadrian memcpy((uint8_t *)(cmd->data + buf->size), wh, hdrlen); 2286279763Sadrian m_adj(buf->m, hdrlen); 2287278366Sadrian 2288278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, buf->m, 2289278366Sadrian segs, &nsegs, BUS_DMA_NOWAIT); 2290278366Sadrian if (error != 0 && error != EFBIG) { 2291278366Sadrian device_printf(sc->sc_dev, 2292278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, error); 2293278366Sadrian m_freem(buf->m); 2294278366Sadrian return error; 2295173362Sbenjsc } 2296278366Sadrian if (error != 0) { 2297278366Sadrian /* Too many DMA segments, linearize mbuf. */ 2298280050Sadrian m1 = m_collapse(buf->m, M_NOWAIT, WPI_MAX_SCATTER - 1); 2299278366Sadrian if (m1 == NULL) { 2300278366Sadrian device_printf(sc->sc_dev, 2301278366Sadrian "%s: could not defrag mbuf\n", __func__); 2302278366Sadrian m_freem(buf->m); 2303278366Sadrian return ENOBUFS; 2304278366Sadrian } 2305278366Sadrian buf->m = m1; 2306278366Sadrian 2307278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, 2308278366Sadrian buf->m, segs, &nsegs, BUS_DMA_NOWAIT); 2309278366Sadrian if (error != 0) { 2310278366Sadrian device_printf(sc->sc_dev, 2311278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, error); 2312278366Sadrian m_freem(buf->m); 2313278366Sadrian return error; 2314278366Sadrian } 2315278366Sadrian } 2316278366Sadrian 2317280050Sadrian KASSERT(nsegs < WPI_MAX_SCATTER, 2318280050Sadrian ("too many DMA segments, nsegs (%d) should be less than %d", 2319280050Sadrian nsegs, WPI_MAX_SCATTER)); 2320280050Sadrian 2321278366Sadrian data->m = buf->m; 2322278366Sadrian data->ni = buf->ni; 2323278366Sadrian 2324278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: qid %d idx %d len %d nsegs %d\n", 2325278366Sadrian __func__, ring->qid, ring->cur, totlen, nsegs); 2326278366Sadrian 2327278366Sadrian /* Fill TX descriptor. */ 2328279763Sadrian desc->nsegs = WPI_PAD32(totlen + pad) << 4 | (1 + nsegs); 2329278366Sadrian /* First DMA segment is used by the TX command. */ 2330278366Sadrian desc->segs[0].addr = htole32(data->cmd_paddr); 2331279763Sadrian desc->segs[0].len = htole32(4 + buf->size + hdrlen + pad); 2332278366Sadrian /* Other DMA segments are for data payload. */ 2333278366Sadrian seg = &segs[0]; 2334278366Sadrian for (i = 1; i <= nsegs; i++) { 2335278366Sadrian desc->segs[i].addr = htole32(seg->ds_addr); 2336278366Sadrian desc->segs[i].len = htole32(seg->ds_len); 2337278366Sadrian seg++; 2338278366Sadrian } 2339278366Sadrian 2340278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); 2341278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2342278366Sadrian BUS_DMASYNC_PREWRITE); 2343278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2344278366Sadrian BUS_DMASYNC_PREWRITE); 2345278366Sadrian 2346278366Sadrian /* Kick TX ring. */ 2347278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2348278366Sadrian wpi_update_tx_ring(sc, ring); 2349278366Sadrian 2350278366Sadrian /* Mark TX ring as full if we reach a certain threshold. */ 2351278366Sadrian if (++ring->queued > WPI_TX_RING_HIMARK) 2352278366Sadrian sc->qfullmsk |= 1 << ring->qid; 2353278366Sadrian 2354278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2355278366Sadrian 2356278366Sadrian return 0; 2357173362Sbenjsc} 2358173362Sbenjsc 2359173362Sbenjsc/* 2360278366Sadrian * Construct the data packet for a transmit buffer. 2361173362Sbenjsc */ 2362173362Sbenjscstatic int 2363278366Sadrianwpi_tx_data(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2364173362Sbenjsc{ 2365278366Sadrian const struct ieee80211_txparam *tp; 2366178354Ssam struct ieee80211vap *vap = ni->ni_vap; 2367278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2368280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 2369278366Sadrian struct ieee80211_channel *chan; 2370173362Sbenjsc struct ieee80211_frame *wh; 2371278366Sadrian struct ieee80211_key *k = NULL; 2372278366Sadrian struct wpi_cmd_data tx; 2373278366Sadrian struct wpi_buf tx_data; 2374278366Sadrian uint32_t flags; 2375278366Sadrian uint16_t qos; 2376278366Sadrian uint8_t tid, type; 2377279763Sadrian int ac, error, rate, ismcast, totlen; 2378173362Sbenjsc 2379278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2380278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2381278366Sadrian ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 2382173362Sbenjsc 2383278366Sadrian /* Select EDCA Access Category and TX ring for this frame. */ 2384278366Sadrian if (IEEE80211_QOS_HAS_SEQ(wh)) { 2385278366Sadrian qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 2386278366Sadrian tid = qos & IEEE80211_QOS_TID; 2387278366Sadrian } else { 2388278366Sadrian qos = 0; 2389278366Sadrian tid = 0; 2390280059Sadrian } 2391278366Sadrian ac = M_WME_GETAC(m); 2392173362Sbenjsc 2393278366Sadrian chan = (ni->ni_chan != IEEE80211_CHAN_ANYC) ? 2394278366Sadrian ni->ni_chan : ic->ic_curchan; 2395278366Sadrian tp = &vap->iv_txparms[ieee80211_chan2mode(chan)]; 2396173362Sbenjsc 2397278366Sadrian /* Choose a TX rate index. */ 2398278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) 2399278366Sadrian rate = tp->mgmtrate; 2400278366Sadrian else if (ismcast) 2401278366Sadrian rate = tp->mcastrate; 2402278366Sadrian else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2403278366Sadrian rate = tp->ucastrate; 2404278366Sadrian else if (m->m_flags & M_EAPOL) 2405278366Sadrian rate = tp->mgmtrate; 2406278366Sadrian else { 2407278366Sadrian /* XXX pass pktlen */ 2408278366Sadrian (void) ieee80211_ratectl_rate(ni, NULL, 0); 2409278366Sadrian rate = ni->ni_txrate; 2410278366Sadrian } 2411278366Sadrian 2412278366Sadrian /* Encrypt the frame if need be. */ 2413260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2414278366Sadrian /* Retrieve key for TX. */ 2415278366Sadrian k = ieee80211_crypto_encap(ni, m); 2416177043Sthompsa if (k == NULL) { 2417278366Sadrian error = ENOBUFS; 2418278366Sadrian goto fail; 2419173362Sbenjsc } 2420278366Sadrian /* 802.11 header may have moved. */ 2421278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2422173362Sbenjsc } 2423279763Sadrian totlen = m->m_pkthdr.len; 2424173362Sbenjsc 2425278366Sadrian if (ieee80211_radiotap_active_vap(vap)) { 2426278366Sadrian struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2427173362Sbenjsc 2428279763Sadrian tap->wt_flags = 0; 2429278366Sadrian tap->wt_rate = rate; 2430278366Sadrian if (k != NULL) 2431278366Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2432173362Sbenjsc 2433278366Sadrian ieee80211_radiotap_tx(vap, m); 2434278366Sadrian } 2435278366Sadrian 2436278366Sadrian flags = 0; 2437177119Ssam if (!ismcast) { 2438278366Sadrian /* Unicast frame, check if an ACK is expected. */ 2439278366Sadrian if (!qos || (qos & IEEE80211_QOS_ACKPOLICY) != 2440278366Sadrian IEEE80211_QOS_ACKPOLICY_NOACK) 2441278366Sadrian flags |= WPI_TX_NEED_ACK; 2442278366Sadrian } 2443278366Sadrian 2444278764Sadrian if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) 2445278764Sadrian flags |= WPI_TX_MORE_FRAG; /* Cannot happen yet. */ 2446278764Sadrian 2447278366Sadrian /* Check if frame must be protected using RTS/CTS or CTS-to-self. */ 2448278366Sadrian if (!ismcast) { 2449278366Sadrian /* NB: Group frames are sent using CCK in 802.11b/g. */ 2450278366Sadrian if (totlen + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) { 2451278366Sadrian flags |= WPI_TX_NEED_RTS; 2452278366Sadrian } else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2453278366Sadrian WPI_RATE_IS_OFDM(rate)) { 2454278366Sadrian if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2455278366Sadrian flags |= WPI_TX_NEED_CTS; 2456278366Sadrian else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2457278366Sadrian flags |= WPI_TX_NEED_RTS; 2458177043Sthompsa } 2459278366Sadrian 2460278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2461278366Sadrian flags |= WPI_TX_FULL_TXOP; 2462173362Sbenjsc } 2463278366Sadrian 2464278366Sadrian memset(&tx, 0, sizeof (struct wpi_cmd_data)); 2465278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2466173362Sbenjsc uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2467278366Sadrian 2468278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2469173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2470278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2471173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2472177043Sthompsa subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2473278366Sadrian tx.timeout = htole16(3); 2474173362Sbenjsc else 2475278366Sadrian tx.timeout = htole16(2); 2476177043Sthompsa } 2477173362Sbenjsc 2478278366Sadrian if (ismcast || type != IEEE80211_FC0_TYPE_DATA) 2479278366Sadrian tx.id = WPI_ID_BROADCAST; 2480278366Sadrian else { 2481278366Sadrian if (wn->id == WPI_ID_UNDEFINED && 2482278366Sadrian (vap->iv_opmode == IEEE80211_M_IBSS || 2483278366Sadrian vap->iv_opmode == IEEE80211_M_AHDEMO)) { 2484278366Sadrian error = wpi_add_ibss_node(sc, ni); 2485278366Sadrian if (error != 0) { 2486278366Sadrian device_printf(sc->sc_dev, 2487278366Sadrian "%s: could not add IBSS node, error %d\n", 2488278366Sadrian __func__, error); 2489278366Sadrian goto fail; 2490278366Sadrian } 2491278366Sadrian } 2492173362Sbenjsc 2493278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 2494278366Sadrian device_printf(sc->sc_dev, 2495278366Sadrian "%s: undefined node id\n", __func__); 2496278366Sadrian error = EINVAL; 2497278366Sadrian goto fail; 2498278366Sadrian } 2499278366Sadrian 2500278366Sadrian tx.id = wn->id; 2501278366Sadrian } 2502278366Sadrian 2503278366Sadrian if (type != IEEE80211_FC0_TYPE_MGT) 2504278366Sadrian tx.data_ntries = tp->maxretry; 2505278366Sadrian 2506278366Sadrian tx.len = htole16(totlen); 2507278366Sadrian tx.flags = htole32(flags); 2508278366Sadrian tx.plcp = rate2plcp(rate); 2509278366Sadrian tx.tid = tid; 2510278366Sadrian tx.lifetime = htole32(WPI_LIFETIME_INFINITE); 2511278366Sadrian tx.ofdm_mask = 0xff; 2512278366Sadrian tx.cck_mask = 0x0f; 2513278366Sadrian tx.rts_ntries = 7; 2514278366Sadrian 2515278366Sadrian if (k != NULL && k->wk_cipher->ic_cipher == IEEE80211_CIPHER_AES_CCM) { 2516278366Sadrian if (!(k->wk_flags & IEEE80211_KEY_SWCRYPT)) { 2517278366Sadrian tx.security = WPI_CIPHER_CCMP; 2518278366Sadrian memcpy(tx.key, k->wk_key, k->wk_keylen); 2519278366Sadrian } 2520278366Sadrian } 2521278366Sadrian 2522278366Sadrian tx_data.data = &tx; 2523278366Sadrian tx_data.ni = ni; 2524278366Sadrian tx_data.m = m; 2525278366Sadrian tx_data.size = sizeof(tx); 2526278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2527278366Sadrian tx_data.ac = ac; 2528278366Sadrian 2529278366Sadrian return wpi_cmd2(sc, &tx_data); 2530278366Sadrian 2531278366Sadrianfail: m_freem(m); 2532278366Sadrian return error; 2533278366Sadrian} 2534278366Sadrian 2535278366Sadrianstatic int 2536278366Sadrianwpi_tx_data_raw(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_node *ni, 2537278366Sadrian const struct ieee80211_bpf_params *params) 2538278366Sadrian{ 2539278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 2540278366Sadrian struct ieee80211_frame *wh; 2541278366Sadrian struct wpi_cmd_data tx; 2542278366Sadrian struct wpi_buf tx_data; 2543278366Sadrian uint32_t flags; 2544278366Sadrian uint8_t type; 2545279763Sadrian int ac, rate, totlen; 2546278366Sadrian 2547278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2548278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2549279763Sadrian totlen = m->m_pkthdr.len; 2550278366Sadrian 2551278366Sadrian ac = params->ibp_pri & 3; 2552278366Sadrian 2553278366Sadrian /* Choose a TX rate index. */ 2554278366Sadrian rate = params->ibp_rate0; 2555278366Sadrian 2556278366Sadrian flags = 0; 2557278366Sadrian if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2558278366Sadrian flags |= WPI_TX_NEED_ACK; 2559278366Sadrian if (params->ibp_flags & IEEE80211_BPF_RTS) 2560278366Sadrian flags |= WPI_TX_NEED_RTS; 2561278366Sadrian if (params->ibp_flags & IEEE80211_BPF_CTS) 2562278366Sadrian flags |= WPI_TX_NEED_CTS; 2563278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2564278366Sadrian flags |= WPI_TX_FULL_TXOP; 2565278366Sadrian 2566192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2567177043Sthompsa struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2568278366Sadrian 2569177043Sthompsa tap->wt_flags = 0; 2570177043Sthompsa tap->wt_rate = rate; 2571178354Ssam 2572278366Sadrian ieee80211_radiotap_tx(vap, m); 2573177043Sthompsa } 2574173362Sbenjsc 2575278366Sadrian memset(&tx, 0, sizeof (struct wpi_cmd_data)); 2576278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2577278366Sadrian uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2578173362Sbenjsc 2579278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2580278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2581278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2582278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2583278366Sadrian subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2584278366Sadrian tx.timeout = htole16(3); 2585278366Sadrian else 2586278366Sadrian tx.timeout = htole16(2); 2587173362Sbenjsc } 2588173362Sbenjsc 2589278366Sadrian tx.len = htole16(totlen); 2590278366Sadrian tx.flags = htole32(flags); 2591278366Sadrian tx.plcp = rate2plcp(rate); 2592278366Sadrian tx.id = WPI_ID_BROADCAST; 2593278366Sadrian tx.lifetime = htole32(WPI_LIFETIME_INFINITE); 2594278366Sadrian tx.rts_ntries = params->ibp_try1; 2595278366Sadrian tx.data_ntries = params->ibp_try0; 2596278366Sadrian 2597278366Sadrian tx_data.data = &tx; 2598278366Sadrian tx_data.ni = ni; 2599278366Sadrian tx_data.m = m; 2600278366Sadrian tx_data.size = sizeof(tx); 2601278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2602278366Sadrian tx_data.ac = ac; 2603278366Sadrian 2604278366Sadrian return wpi_cmd2(sc, &tx_data); 2605278366Sadrian} 2606278366Sadrian 2607278366Sadrianstatic int 2608278366Sadrianwpi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2609278366Sadrian const struct ieee80211_bpf_params *params) 2610278366Sadrian{ 2611278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2612278366Sadrian struct ifnet *ifp = ic->ic_ifp; 2613278366Sadrian struct wpi_softc *sc = ifp->if_softc; 2614278366Sadrian int error = 0; 2615278366Sadrian 2616278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2617278366Sadrian 2618278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2619278366Sadrian ieee80211_free_node(ni); 2620278366Sadrian m_freem(m); 2621278366Sadrian return ENETDOWN; 2622173362Sbenjsc } 2623173362Sbenjsc 2624278366Sadrian WPI_LOCK(sc); 2625278366Sadrian if (params == NULL) { 2626278366Sadrian /* 2627278366Sadrian * Legacy path; interpret frame contents to decide 2628278366Sadrian * precisely how to send the frame. 2629278366Sadrian */ 2630278366Sadrian error = wpi_tx_data(sc, m, ni); 2631278366Sadrian } else { 2632278366Sadrian /* 2633278366Sadrian * Caller supplied explicit parameters to use in 2634278366Sadrian * sending the frame. 2635278366Sadrian */ 2636278366Sadrian error = wpi_tx_data_raw(sc, m, ni, params); 2637278366Sadrian } 2638278366Sadrian WPI_UNLOCK(sc); 2639173362Sbenjsc 2640278366Sadrian if (error != 0) { 2641278366Sadrian /* NB: m is reclaimed on tx failure */ 2642278366Sadrian ieee80211_free_node(ni); 2643278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2644173362Sbenjsc 2645278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2646278366Sadrian 2647278366Sadrian return error; 2648173362Sbenjsc } 2649173362Sbenjsc 2650278366Sadrian sc->sc_tx_timer = 5; 2651173362Sbenjsc 2652278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2653173362Sbenjsc 2654173362Sbenjsc return 0; 2655173362Sbenjsc} 2656173362Sbenjsc 2657173362Sbenjsc/** 2658173362Sbenjsc * Process data waiting to be sent on the IFNET output queue 2659173362Sbenjsc */ 2660173362Sbenjscstatic void 2661173362Sbenjscwpi_start(struct ifnet *ifp) 2662173362Sbenjsc{ 2663173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2664178354Ssam 2665178354Ssam WPI_LOCK(sc); 2666178354Ssam wpi_start_locked(ifp); 2667178354Ssam WPI_UNLOCK(sc); 2668178354Ssam} 2669178354Ssam 2670178354Ssamstatic void 2671178354Ssamwpi_start_locked(struct ifnet *ifp) 2672178354Ssam{ 2673178354Ssam struct wpi_softc *sc = ifp->if_softc; 2674173362Sbenjsc struct ieee80211_node *ni; 2675178354Ssam struct mbuf *m; 2676173362Sbenjsc 2677178354Ssam WPI_LOCK_ASSERT(sc); 2678178354Ssam 2679278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: called\n", __func__); 2680278366Sadrian 2681278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 || 2682278366Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) 2683177043Sthompsa return; 2684173362Sbenjsc 2685173362Sbenjsc for (;;) { 2686278366Sadrian if (sc->qfullmsk != 0) { 2687278366Sadrian ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2688278366Sadrian break; 2689278366Sadrian } 2690190458Sjmallett IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2691178354Ssam if (m == NULL) 2692178354Ssam break; 2693278366Sadrian ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2694278366Sadrian if (wpi_tx_data(sc, m, ni) != 0) { 2695278366Sadrian WPI_UNLOCK(sc); 2696178354Ssam ieee80211_free_node(ni); 2697278366Sadrian WPI_LOCK(sc); 2698271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2699278366Sadrian } else 2700278366Sadrian sc->sc_tx_timer = 5; 2701178354Ssam } 2702278366Sadrian 2703278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: done\n", __func__); 2704178354Ssam} 2705173362Sbenjsc 2706278366Sadrianstatic void 2707278366Sadrianwpi_watchdog_rfkill(void *arg) 2708178354Ssam{ 2709278366Sadrian struct wpi_softc *sc = arg; 2710278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2711278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2712173362Sbenjsc 2713278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "RFkill Watchdog: tick\n"); 2714278366Sadrian 2715278366Sadrian /* No need to lock firmware memory. */ 2716278366Sadrian if ((wpi_prph_read(sc, WPI_APMG_RFKILL) & 0x1) == 0) { 2717278366Sadrian /* Radio kill switch is still off. */ 2718278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 2719278366Sadrian sc); 2720278366Sadrian } else 2721278366Sadrian ieee80211_runtask(ic, &sc->sc_radioon_task); 2722278366Sadrian} 2723278366Sadrian 2724278366Sadrian/** 2725278366Sadrian * Called every second, wpi_watchdog used by the watch dog timer 2726278366Sadrian * to check that the card is still alive 2727278366Sadrian */ 2728278366Sadrianstatic void 2729278366Sadrianwpi_watchdog(void *arg) 2730278366Sadrian{ 2731278366Sadrian struct wpi_softc *sc = arg; 2732278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2733278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2734278366Sadrian 2735278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "Watchdog: tick\n"); 2736278366Sadrian 2737278366Sadrian if (sc->sc_tx_timer > 0) { 2738278366Sadrian if (--sc->sc_tx_timer == 0) { 2739278366Sadrian if_printf(ifp, "device timeout\n"); 2740278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2741278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2742278366Sadrian } 2743178354Ssam } 2744173362Sbenjsc 2745278366Sadrian if (sc->sc_scan_timer > 0) { 2746278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2747278366Sadrian if (--sc->sc_scan_timer == 0 && vap != NULL) { 2748278366Sadrian if_printf(ifp, "scan timeout\n"); 2749278366Sadrian ieee80211_cancel_scan(vap); 2750278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2751278366Sadrian } 2752178354Ssam } 2753173362Sbenjsc 2754278366Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2755278366Sadrian callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 2756173362Sbenjsc} 2757173362Sbenjsc 2758173362Sbenjscstatic int 2759173362Sbenjscwpi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 2760173362Sbenjsc{ 2761173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2762178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2763278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2764178354Ssam struct ifreq *ifr = (struct ifreq *) data; 2765278366Sadrian int error = 0, startall = 0, stop = 0; 2766173362Sbenjsc 2767173362Sbenjsc switch (cmd) { 2768278366Sadrian case SIOCGIFADDR: 2769278366Sadrian error = ether_ioctl(ifp, cmd, data); 2770278366Sadrian break; 2771173362Sbenjsc case SIOCSIFFLAGS: 2772178704Sthompsa WPI_LOCK(sc); 2773278366Sadrian if (ifp->if_flags & IFF_UP) { 2774178354Ssam if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2775278366Sadrian wpi_init_locked(sc); 2776278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & 2777278366Sadrian WPI_GP_CNTRL_RFKILL) 2778278366Sadrian startall = 1; 2779278366Sadrian else 2780278366Sadrian stop = 1; 2781178354Ssam } 2782278366Sadrian } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2783173362Sbenjsc wpi_stop_locked(sc); 2784178704Sthompsa WPI_UNLOCK(sc); 2785178704Sthompsa if (startall) 2786178704Sthompsa ieee80211_start_all(ic); 2787278366Sadrian else if (vap != NULL && stop) 2788278366Sadrian ieee80211_stop(vap); 2789173362Sbenjsc break; 2790178354Ssam case SIOCGIFMEDIA: 2791178354Ssam error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2792178354Ssam break; 2793178704Sthompsa default: 2794178704Sthompsa error = EINVAL; 2795178704Sthompsa break; 2796173362Sbenjsc } 2797173362Sbenjsc return error; 2798173362Sbenjsc} 2799173362Sbenjsc 2800173362Sbenjsc/* 2801173362Sbenjsc * Send a command to the firmware. 2802173362Sbenjsc */ 2803173362Sbenjscstatic int 2804278366Sadrianwpi_cmd(struct wpi_softc *sc, int code, const void *buf, size_t size, 2805278366Sadrian int async) 2806173362Sbenjsc{ 2807278366Sadrian struct wpi_tx_ring *ring = &sc->txq[4]; 2808173362Sbenjsc struct wpi_tx_desc *desc; 2809278366Sadrian struct wpi_tx_data *data; 2810173362Sbenjsc struct wpi_tx_cmd *cmd; 2811278366Sadrian struct mbuf *m; 2812278366Sadrian bus_addr_t paddr; 2813278366Sadrian int totlen, error; 2814173362Sbenjsc 2815278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2816278366Sadrian 2817278366Sadrian if (async == 0) 2818173362Sbenjsc WPI_LOCK_ASSERT(sc); 2819173362Sbenjsc 2820278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "wpi_cmd %s size %zu async %d\n", 2821278366Sadrian wpi_cmd_str(code), size, async); 2822173362Sbenjsc 2823173362Sbenjsc if (sc->flags & WPI_FLAG_BUSY) { 2824173362Sbenjsc device_printf(sc->sc_dev, "%s: cmd %d not sent, busy\n", 2825173362Sbenjsc __func__, code); 2826173362Sbenjsc return EAGAIN; 2827173362Sbenjsc } 2828278366Sadrian sc->flags |= WPI_FLAG_BUSY; 2829173362Sbenjsc 2830173362Sbenjsc desc = &ring->desc[ring->cur]; 2831278366Sadrian data = &ring->data[ring->cur]; 2832278366Sadrian totlen = 4 + size; 2833173362Sbenjsc 2834278366Sadrian if (size > sizeof cmd->data) { 2835278366Sadrian /* Command is too large to fit in a descriptor. */ 2836278366Sadrian if (totlen > MCLBYTES) 2837278366Sadrian return EINVAL; 2838278366Sadrian m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 2839278366Sadrian if (m == NULL) 2840278366Sadrian return ENOMEM; 2841278366Sadrian cmd = mtod(m, struct wpi_tx_cmd *); 2842278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, cmd, 2843278366Sadrian totlen, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 2844278366Sadrian if (error != 0) { 2845278366Sadrian m_freem(m); 2846278366Sadrian return error; 2847278366Sadrian } 2848278366Sadrian data->m = m; 2849278366Sadrian } else { 2850278366Sadrian cmd = &ring->cmd[ring->cur]; 2851278366Sadrian paddr = data->cmd_paddr; 2852278366Sadrian } 2853278366Sadrian 2854173362Sbenjsc cmd->code = code; 2855173362Sbenjsc cmd->flags = 0; 2856173362Sbenjsc cmd->qid = ring->qid; 2857173362Sbenjsc cmd->idx = ring->cur; 2858173362Sbenjsc memcpy(cmd->data, buf, size); 2859173362Sbenjsc 2860278366Sadrian desc->nsegs = 1 + (WPI_PAD32(size) << 4); 2861278366Sadrian desc->segs[0].addr = htole32(paddr); 2862278366Sadrian desc->segs[0].len = htole32(totlen); 2863173362Sbenjsc 2864278366Sadrian if (size > sizeof cmd->data) { 2865278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 2866278366Sadrian BUS_DMASYNC_PREWRITE); 2867278366Sadrian } else { 2868278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2869278366Sadrian BUS_DMASYNC_PREWRITE); 2870278366Sadrian } 2871278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2872278366Sadrian BUS_DMASYNC_PREWRITE); 2873173362Sbenjsc 2874278366Sadrian /* Kick command ring. */ 2875278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2876278366Sadrian wpi_update_tx_ring(sc, ring); 2877278366Sadrian 2878278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2879278366Sadrian 2880173362Sbenjsc if (async) { 2881278366Sadrian sc->flags &= ~WPI_FLAG_BUSY; 2882173362Sbenjsc return 0; 2883173362Sbenjsc } 2884173362Sbenjsc 2885280062Sadrian return mtx_sleep(cmd, &sc->sc_mtx, PCATCH, "wpicmd", hz); 2886173362Sbenjsc} 2887173362Sbenjsc 2888173362Sbenjsc/* 2889278366Sadrian * Configure HW multi-rate retries. 2890173362Sbenjsc */ 2891173362Sbenjscstatic int 2892173362Sbenjscwpi_mrr_setup(struct wpi_softc *sc) 2893173362Sbenjsc{ 2894178354Ssam struct ifnet *ifp = sc->sc_ifp; 2895178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2896173362Sbenjsc struct wpi_mrr_setup mrr; 2897173362Sbenjsc int i, error; 2898173362Sbenjsc 2899278366Sadrian /* CCK rates (not used with 802.11a). */ 2900278366Sadrian for (i = WPI_RIDX_CCK1; i <= WPI_RIDX_CCK11; i++) { 2901173362Sbenjsc mrr.rates[i].flags = 0; 2902278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 2903278366Sadrian /* Fallback to the immediate lower CCK rate (if any.) */ 2904278366Sadrian mrr.rates[i].next = 2905278366Sadrian (i == WPI_RIDX_CCK1) ? WPI_RIDX_CCK1 : i - 1; 2906278366Sadrian /* Try one time at this rate before falling back to "next". */ 2907173362Sbenjsc mrr.rates[i].ntries = 1; 2908173362Sbenjsc } 2909278366Sadrian /* OFDM rates (not used with 802.11b). */ 2910278366Sadrian for (i = WPI_RIDX_OFDM6; i <= WPI_RIDX_OFDM54; i++) { 2911173362Sbenjsc mrr.rates[i].flags = 0; 2912278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 2913278366Sadrian /* Fallback to the immediate lower rate (if any.) */ 2914278366Sadrian /* We allow fallback from OFDM/6 to CCK/2 in 11b/g mode. */ 2915278366Sadrian mrr.rates[i].next = (i == WPI_RIDX_OFDM6) ? 2916173362Sbenjsc ((ic->ic_curmode == IEEE80211_MODE_11A) ? 2917278366Sadrian WPI_RIDX_OFDM6 : WPI_RIDX_CCK2) : 2918173362Sbenjsc i - 1; 2919278366Sadrian /* Try one time at this rate before falling back to "next". */ 2920173362Sbenjsc mrr.rates[i].ntries = 1; 2921173362Sbenjsc } 2922278366Sadrian /* Setup MRR for control frames. */ 2923278366Sadrian mrr.which = htole32(WPI_MRR_CTL); 2924173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 2925173362Sbenjsc if (error != 0) { 2926173362Sbenjsc device_printf(sc->sc_dev, 2927173362Sbenjsc "could not setup MRR for control frames\n"); 2928173362Sbenjsc return error; 2929173362Sbenjsc } 2930278366Sadrian /* Setup MRR for data frames. */ 2931278366Sadrian mrr.which = htole32(WPI_MRR_DATA); 2932173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 2933173362Sbenjsc if (error != 0) { 2934173362Sbenjsc device_printf(sc->sc_dev, 2935173362Sbenjsc "could not setup MRR for data frames\n"); 2936173362Sbenjsc return error; 2937173362Sbenjsc } 2938173362Sbenjsc return 0; 2939173362Sbenjsc} 2940173362Sbenjsc 2941278366Sadrianstatic int 2942278366Sadrianwpi_add_node(struct wpi_softc *sc, struct ieee80211_node *ni) 2943278366Sadrian{ 2944278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2945280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 2946278366Sadrian struct wpi_node_info node; 2947278366Sadrian 2948278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 2949278366Sadrian 2950278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 2951278366Sadrian return EINVAL; 2952278366Sadrian 2953278366Sadrian memset(&node, 0, sizeof node); 2954279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 2955278366Sadrian node.id = wn->id; 2956278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 2957278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 2958278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 2959278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 2960278366Sadrian 2961278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 2962278366Sadrian} 2963278366Sadrian 2964278366Sadrian/* 2965278366Sadrian * Broadcast node is used to send group-addressed and management frames. 2966278366Sadrian */ 2967278366Sadrianstatic int 2968278366Sadrianwpi_add_broadcast_node(struct wpi_softc *sc, int async) 2969278366Sadrian{ 2970278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2971278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2972278366Sadrian struct wpi_node_info node; 2973278366Sadrian 2974278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 2975278366Sadrian 2976278366Sadrian memset(&node, 0, sizeof node); 2977278366Sadrian IEEE80211_ADDR_COPY(node.macaddr, ifp->if_broadcastaddr); 2978278366Sadrian node.id = WPI_ID_BROADCAST; 2979278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 2980278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 2981278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 2982278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 2983278366Sadrian 2984278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, async); 2985278366Sadrian} 2986278366Sadrian 2987278366Sadrianstatic int 2988278366Sadrianwpi_add_ibss_node(struct wpi_softc *sc, struct ieee80211_node *ni) 2989278366Sadrian{ 2990280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 2991278366Sadrian 2992278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 2993278366Sadrian 2994278366Sadrian if (wn->id != WPI_ID_UNDEFINED) 2995278366Sadrian return EINVAL; 2996278366Sadrian 2997278366Sadrian wn->id = alloc_unrl(sc->sc_unr); 2998278366Sadrian 2999278366Sadrian if (wn->id == (uint8_t)-1) 3000278366Sadrian return ENOBUFS; 3001278366Sadrian 3002278366Sadrian return wpi_add_node(sc, ni); 3003278366Sadrian} 3004278366Sadrian 3005173362Sbenjscstatic void 3006278366Sadrianwpi_del_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3007278366Sadrian{ 3008280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3009278366Sadrian struct wpi_cmd_del_node node; 3010278366Sadrian int error; 3011278366Sadrian 3012278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3013278366Sadrian 3014278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 3015278366Sadrian device_printf(sc->sc_dev, "%s: undefined node id passed\n", 3016278366Sadrian __func__); 3017278366Sadrian return; 3018278366Sadrian } 3019278366Sadrian 3020278366Sadrian memset(&node, 0, sizeof node); 3021279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3022278366Sadrian node.count = 1; 3023278366Sadrian 3024278366Sadrian error = wpi_cmd(sc, WPI_CMD_DEL_NODE, &node, sizeof node, 1); 3025278366Sadrian if (error != 0) { 3026278366Sadrian device_printf(sc->sc_dev, 3027278366Sadrian "%s: could not delete node %u, error %d\n", __func__, 3028278366Sadrian wn->id, error); 3029278366Sadrian } 3030278366Sadrian} 3031278366Sadrian 3032278366Sadrianstatic int 3033278366Sadrianwpi_updateedca(struct ieee80211com *ic) 3034278366Sadrian{ 3035278366Sadrian#define WPI_EXP2(x) ((1 << (x)) - 1) /* CWmin = 2^ECWmin - 1 */ 3036278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 3037278366Sadrian struct wpi_edca_params cmd; 3038278366Sadrian int aci, error; 3039278366Sadrian 3040278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3041278366Sadrian 3042278366Sadrian memset(&cmd, 0, sizeof cmd); 3043278366Sadrian cmd.flags = htole32(WPI_EDCA_UPDATE); 3044278366Sadrian for (aci = 0; aci < WME_NUM_AC; aci++) { 3045278366Sadrian const struct wmeParams *ac = 3046278366Sadrian &ic->ic_wme.wme_chanParams.cap_wmeParams[aci]; 3047278366Sadrian cmd.ac[aci].aifsn = ac->wmep_aifsn; 3048278366Sadrian cmd.ac[aci].cwmin = htole16(WPI_EXP2(ac->wmep_logcwmin)); 3049278366Sadrian cmd.ac[aci].cwmax = htole16(WPI_EXP2(ac->wmep_logcwmax)); 3050278366Sadrian cmd.ac[aci].txoplimit = 3051278366Sadrian htole16(IEEE80211_TXOP_TO_US(ac->wmep_txopLimit)); 3052278366Sadrian 3053278366Sadrian DPRINTF(sc, WPI_DEBUG_EDCA, 3054278366Sadrian "setting WME for queue %d aifsn=%d cwmin=%d cwmax=%d " 3055278366Sadrian "txoplimit=%d\n", aci, cmd.ac[aci].aifsn, 3056278366Sadrian cmd.ac[aci].cwmin, cmd.ac[aci].cwmax, 3057278366Sadrian cmd.ac[aci].txoplimit); 3058278366Sadrian } 3059278366Sadrian IEEE80211_UNLOCK(ic); 3060278366Sadrian WPI_LOCK(sc); 3061278366Sadrian error = wpi_cmd(sc, WPI_CMD_EDCA_PARAMS, &cmd, sizeof cmd, 1); 3062278366Sadrian WPI_UNLOCK(sc); 3063278366Sadrian IEEE80211_LOCK(ic); 3064278366Sadrian 3065278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3066278366Sadrian 3067278366Sadrian return error; 3068278366Sadrian#undef WPI_EXP2 3069278366Sadrian} 3070278366Sadrian 3071278366Sadrianstatic void 3072278366Sadrianwpi_set_promisc(struct wpi_softc *sc) 3073278366Sadrian{ 3074278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3075278366Sadrian uint32_t promisc_filter; 3076278366Sadrian 3077278366Sadrian promisc_filter = WPI_FILTER_PROMISC | WPI_FILTER_CTL; 3078278366Sadrian 3079278366Sadrian if (ifp->if_flags & IFF_PROMISC) 3080278366Sadrian sc->rxon.filter |= htole32(promisc_filter); 3081278366Sadrian else 3082278366Sadrian sc->rxon.filter &= ~htole32(promisc_filter); 3083278366Sadrian} 3084278366Sadrian 3085278366Sadrianstatic void 3086278366Sadrianwpi_update_promisc(struct ifnet *ifp) 3087278366Sadrian{ 3088278366Sadrian struct wpi_softc *sc = ifp->if_softc; 3089278366Sadrian 3090278366Sadrian wpi_set_promisc(sc); 3091278366Sadrian 3092278366Sadrian WPI_LOCK(sc); 3093278366Sadrian if (wpi_send_rxon(sc, 1, 1) != 0) { 3094278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3095278366Sadrian __func__); 3096278366Sadrian } 3097278366Sadrian WPI_UNLOCK(sc); 3098278366Sadrian} 3099278366Sadrian 3100278366Sadrianstatic void 3101278366Sadrianwpi_update_mcast(struct ifnet *ifp) 3102278366Sadrian{ 3103278366Sadrian /* Ignore */ 3104278366Sadrian} 3105278366Sadrian 3106278366Sadrianstatic void 3107173362Sbenjscwpi_set_led(struct wpi_softc *sc, uint8_t which, uint8_t off, uint8_t on) 3108173362Sbenjsc{ 3109173362Sbenjsc struct wpi_cmd_led led; 3110173362Sbenjsc 3111278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3112278366Sadrian 3113173362Sbenjsc led.which = which; 3114173362Sbenjsc led.unit = htole32(100000); /* on/off in unit of 100ms */ 3115173362Sbenjsc led.off = off; 3116173362Sbenjsc led.on = on; 3117173362Sbenjsc (void)wpi_cmd(sc, WPI_CMD_SET_LED, &led, sizeof led, 1); 3118173362Sbenjsc} 3119173362Sbenjsc 3120278366Sadrianstatic int 3121278366Sadrianwpi_set_timing(struct wpi_softc *sc, struct ieee80211_node *ni) 3122173362Sbenjsc{ 3123278366Sadrian struct wpi_cmd_timing cmd; 3124173362Sbenjsc uint64_t val, mod; 3125173362Sbenjsc 3126278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3127173362Sbenjsc 3128278366Sadrian memset(&cmd, 0, sizeof cmd); 3129278366Sadrian memcpy(&cmd.tstamp, ni->ni_tstamp.data, sizeof (uint64_t)); 3130278366Sadrian cmd.bintval = htole16(ni->ni_intval); 3131278366Sadrian cmd.lintval = htole16(10); 3132173362Sbenjsc 3133278366Sadrian /* Compute remaining time until next beacon. */ 3134278366Sadrian val = (uint64_t)ni->ni_intval * IEEE80211_DUR_TU; 3135278366Sadrian mod = le64toh(cmd.tstamp) % val; 3136278366Sadrian cmd.binitval = htole32((uint32_t)(val - mod)); 3137278366Sadrian 3138278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "timing bintval=%u tstamp=%ju, init=%u\n", 3139278366Sadrian ni->ni_intval, le64toh(cmd.tstamp), (uint32_t)(val - mod)); 3140278366Sadrian 3141278366Sadrian return wpi_cmd(sc, WPI_CMD_TIMING, &cmd, sizeof cmd, 1); 3142173362Sbenjsc} 3143173362Sbenjsc 3144173362Sbenjsc/* 3145278366Sadrian * This function is called periodically (every 60 seconds) to adjust output 3146278366Sadrian * power to temperature changes. 3147173362Sbenjsc */ 3148278366Sadrianstatic void 3149278366Sadrianwpi_power_calibration(struct wpi_softc *sc) 3150278366Sadrian{ 3151278366Sadrian int temp; 3152278366Sadrian 3153278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3154278366Sadrian 3155278366Sadrian /* Update sensor data. */ 3156278366Sadrian temp = (int)WPI_READ(sc, WPI_UCODE_GP2); 3157278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "Temp in calibration is: %d\n", temp); 3158278366Sadrian 3159278366Sadrian /* Sanity-check read value. */ 3160278366Sadrian if (temp < -260 || temp > 25) { 3161278366Sadrian /* This can't be correct, ignore. */ 3162278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3163278366Sadrian "out-of-range temperature reported: %d\n", temp); 3164278366Sadrian return; 3165278366Sadrian } 3166278366Sadrian 3167278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d->%d\n", sc->temp, temp); 3168278366Sadrian 3169278366Sadrian /* Adjust Tx power if need be. */ 3170278366Sadrian if (abs(temp - sc->temp) <= 6) 3171278366Sadrian return; 3172278366Sadrian 3173278366Sadrian sc->temp = temp; 3174278366Sadrian 3175278366Sadrian if (wpi_set_txpower(sc, 1) != 0) { 3176278366Sadrian /* just warn, too bad for the automatic calibration... */ 3177278366Sadrian device_printf(sc->sc_dev,"could not adjust Tx power\n"); 3178278366Sadrian } 3179278366Sadrian} 3180278366Sadrian 3181278366Sadrian/* 3182278366Sadrian * Set TX power for current channel. 3183278366Sadrian */ 3184173362Sbenjscstatic int 3185278366Sadrianwpi_set_txpower(struct wpi_softc *sc, int async) 3186173362Sbenjsc{ 3187178354Ssam struct ifnet *ifp = sc->sc_ifp; 3188178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3189278366Sadrian struct ieee80211_channel *ch; 3190278366Sadrian struct wpi_power_group *group; 3191278366Sadrian struct wpi_cmd_txpower cmd; 3192278366Sadrian uint8_t chan; 3193278366Sadrian int idx, i; 3194173362Sbenjsc 3195278366Sadrian /* Retrieve current channel from last RXON. */ 3196278366Sadrian chan = sc->rxon.chan; 3197278366Sadrian ch = &ic->ic_channels[chan]; 3198173362Sbenjsc 3199278366Sadrian /* Find the TX power group to which this channel belongs. */ 3200278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3201278366Sadrian for (group = &sc->groups[1]; group < &sc->groups[4]; group++) 3202278366Sadrian if (chan <= group->chan) 3203278366Sadrian break; 3204278366Sadrian } else 3205278366Sadrian group = &sc->groups[0]; 3206278366Sadrian 3207278366Sadrian memset(&cmd, 0, sizeof cmd); 3208278366Sadrian cmd.band = IEEE80211_IS_CHAN_5GHZ(ch) ? 0 : 1; 3209278366Sadrian cmd.chan = htole16(chan); 3210278366Sadrian 3211278366Sadrian /* Set TX power for all OFDM and CCK rates. */ 3212278366Sadrian for (i = 0; i <= WPI_RIDX_MAX ; i++) { 3213278366Sadrian /* Retrieve TX power for this channel/rate. */ 3214278366Sadrian idx = wpi_get_power_index(sc, group, ch, i); 3215278366Sadrian 3216278366Sadrian cmd.rates[i].plcp = wpi_ridx_to_plcp[i]; 3217278366Sadrian 3218278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3219278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_5ghz[idx]; 3220278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_5ghz[idx]; 3221278366Sadrian } else { 3222278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_2ghz[idx]; 3223278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_2ghz[idx]; 3224278366Sadrian } 3225278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3226278366Sadrian "chan %d/ridx %d: power index %d\n", chan, i, idx); 3227173362Sbenjsc } 3228173362Sbenjsc 3229278366Sadrian return wpi_cmd(sc, WPI_CMD_TXPOWER, &cmd, sizeof cmd, async); 3230278366Sadrian} 3231173362Sbenjsc 3232278366Sadrian/* 3233278366Sadrian * Determine Tx power index for a given channel/rate combination. 3234278366Sadrian * This takes into account the regulatory information from EEPROM and the 3235278366Sadrian * current temperature. 3236278366Sadrian */ 3237278366Sadrianstatic int 3238278366Sadrianwpi_get_power_index(struct wpi_softc *sc, struct wpi_power_group *group, 3239278366Sadrian struct ieee80211_channel *c, int ridx) 3240278366Sadrian{ 3241278366Sadrian/* Fixed-point arithmetic division using a n-bit fractional part. */ 3242280059Sadrian#define fdivround(a, b, n) \ 3243278366Sadrian ((((1 << n) * (a)) / (b) + (1 << n) / 2) / (1 << n)) 3244173362Sbenjsc 3245278366Sadrian/* Linear interpolation. */ 3246280059Sadrian#define interpolate(x, x1, y1, x2, y2, n) \ 3247278366Sadrian ((y1) + fdivround(((x) - (x1)) * ((y2) - (y1)), (x2) - (x1), n)) 3248173362Sbenjsc 3249278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3250278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3251278366Sadrian struct wpi_power_sample *sample; 3252278366Sadrian int pwr, idx; 3253278366Sadrian u_int chan; 3254278366Sadrian 3255278366Sadrian /* Get channel number. */ 3256278366Sadrian chan = ieee80211_chan2ieee(ic, c); 3257278366Sadrian 3258278366Sadrian /* Default TX power is group maximum TX power minus 3dB. */ 3259278366Sadrian pwr = group->maxpwr / 2; 3260278366Sadrian 3261278366Sadrian /* Decrease TX power for highest OFDM rates to reduce distortion. */ 3262278366Sadrian switch (ridx) { 3263278366Sadrian case WPI_RIDX_OFDM36: 3264278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 0 : 5; 3265278366Sadrian break; 3266278366Sadrian case WPI_RIDX_OFDM48: 3267278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 7 : 10; 3268278366Sadrian break; 3269278366Sadrian case WPI_RIDX_OFDM54: 3270278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 9 : 12; 3271278366Sadrian break; 3272173362Sbenjsc } 3273173362Sbenjsc 3274278366Sadrian /* Never exceed the channel maximum allowed TX power. */ 3275278366Sadrian pwr = min(pwr, sc->maxpwr[chan]); 3276173362Sbenjsc 3277278366Sadrian /* Retrieve TX power index into gain tables from samples. */ 3278278366Sadrian for (sample = group->samples; sample < &group->samples[3]; sample++) 3279278366Sadrian if (pwr > sample[1].power) 3280278366Sadrian break; 3281278366Sadrian /* Fixed-point linear interpolation using a 19-bit fractional part. */ 3282278366Sadrian idx = interpolate(pwr, sample[0].power, sample[0].index, 3283278366Sadrian sample[1].power, sample[1].index, 19); 3284173362Sbenjsc 3285278366Sadrian /*- 3286278366Sadrian * Adjust power index based on current temperature: 3287278366Sadrian * - if cooler than factory-calibrated: decrease output power 3288278366Sadrian * - if warmer than factory-calibrated: increase output power 3289278366Sadrian */ 3290278366Sadrian idx -= (sc->temp - group->temp) * 11 / 100; 3291173362Sbenjsc 3292278366Sadrian /* Decrease TX power for CCK rates (-5dB). */ 3293278366Sadrian if (ridx >= WPI_RIDX_CCK1) 3294278366Sadrian idx += 10; 3295278366Sadrian 3296278366Sadrian /* Make sure idx stays in a valid range. */ 3297278366Sadrian if (idx < 0) 3298278366Sadrian return 0; 3299278366Sadrian if (idx > WPI_MAX_PWR_INDEX) 3300278366Sadrian return WPI_MAX_PWR_INDEX; 3301278366Sadrian return idx; 3302278366Sadrian 3303278366Sadrian#undef interpolate 3304278366Sadrian#undef fdivround 3305173362Sbenjsc} 3306173362Sbenjsc 3307278366Sadrian/* 3308278366Sadrian * Set STA mode power saving level (between 0 and 5). 3309278366Sadrian * Level 0 is CAM (Continuously Aware Mode), 5 is for maximum power saving. 3310278366Sadrian */ 3311173362Sbenjscstatic int 3312278366Sadrianwpi_set_pslevel(struct wpi_softc *sc, uint8_t dtim, int level, int async) 3313173362Sbenjsc{ 3314278366Sadrian struct wpi_pmgt_cmd cmd; 3315278366Sadrian const struct wpi_pmgt *pmgt; 3316278366Sadrian uint32_t max, skip_dtim; 3317278366Sadrian uint32_t reg; 3318278366Sadrian int i; 3319278366Sadrian 3320278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 3321278366Sadrian "%s: dtim=%d, level=%d, async=%d\n", 3322278366Sadrian __func__, dtim, level, async); 3323278366Sadrian 3324278366Sadrian /* Select which PS parameters to use. */ 3325278366Sadrian if (dtim <= 10) 3326278366Sadrian pmgt = &wpi_pmgt[0][level]; 3327278366Sadrian else 3328278366Sadrian pmgt = &wpi_pmgt[1][level]; 3329278366Sadrian 3330278366Sadrian memset(&cmd, 0, sizeof cmd); 3331278366Sadrian if (level != 0) /* not CAM */ 3332278366Sadrian cmd.flags |= htole16(WPI_PS_ALLOW_SLEEP); 3333278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 3334278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 3335278366Sadrian if (!(reg & 0x1)) /* L0s Entry disabled. */ 3336278366Sadrian cmd.flags |= htole16(WPI_PS_PCI_PMGT); 3337278366Sadrian 3338278366Sadrian cmd.rxtimeout = htole32(pmgt->rxtimeout * IEEE80211_DUR_TU); 3339278366Sadrian cmd.txtimeout = htole32(pmgt->txtimeout * IEEE80211_DUR_TU); 3340278366Sadrian 3341278366Sadrian if (dtim == 0) { 3342278366Sadrian dtim = 1; 3343278366Sadrian skip_dtim = 0; 3344278366Sadrian } else 3345278366Sadrian skip_dtim = pmgt->skip_dtim; 3346278366Sadrian 3347278366Sadrian if (skip_dtim != 0) { 3348278366Sadrian cmd.flags |= htole16(WPI_PS_SLEEP_OVER_DTIM); 3349278366Sadrian max = pmgt->intval[4]; 3350278366Sadrian if (max == (uint32_t)-1) 3351278366Sadrian max = dtim * (skip_dtim + 1); 3352278366Sadrian else if (max > dtim) 3353278366Sadrian max = (max / dtim) * dtim; 3354278366Sadrian } else 3355278366Sadrian max = dtim; 3356278366Sadrian 3357278366Sadrian for (i = 0; i < 5; i++) 3358278366Sadrian cmd.intval[i] = htole32(MIN(max, pmgt->intval[i])); 3359278366Sadrian 3360278366Sadrian return wpi_cmd(sc, WPI_CMD_SET_POWER_MODE, &cmd, sizeof cmd, async); 3361278366Sadrian} 3362278366Sadrian 3363280059Sadrianstatic int 3364278366Sadrianwpi_send_btcoex(struct wpi_softc *sc) 3365278366Sadrian{ 3366278366Sadrian struct wpi_bluetooth cmd; 3367278366Sadrian 3368280059Sadrian memset(&cmd, 0, sizeof cmd); 3369280059Sadrian cmd.flags = WPI_BT_COEX_MODE_4WIRE; 3370280059Sadrian cmd.lead_time = WPI_BT_LEAD_TIME_DEF; 3371280059Sadrian cmd.max_kill = WPI_BT_MAX_KILL_DEF; 3372278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "%s: configuring bluetooth coexistence\n", 3373278366Sadrian __func__); 3374280059Sadrian return wpi_cmd(sc, WPI_CMD_BT_COEX, &cmd, sizeof(cmd), 0); 3375278366Sadrian} 3376278366Sadrian 3377278366Sadrianstatic int 3378278366Sadrianwpi_send_rxon(struct wpi_softc *sc, int assoc, int async) 3379278366Sadrian{ 3380173362Sbenjsc int error; 3381173362Sbenjsc 3382278366Sadrian if (assoc && (sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3383278366Sadrian struct wpi_assoc rxon_assoc; 3384177043Sthompsa 3385278366Sadrian rxon_assoc.flags = sc->rxon.flags; 3386278366Sadrian rxon_assoc.filter = sc->rxon.filter; 3387278366Sadrian rxon_assoc.ofdm_mask = sc->rxon.ofdm_mask; 3388278366Sadrian rxon_assoc.cck_mask = sc->rxon.cck_mask; 3389278366Sadrian rxon_assoc.reserved = 0; 3390278366Sadrian 3391278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON_ASSOC, &rxon_assoc, 3392278366Sadrian sizeof (struct wpi_assoc), async); 3393216522Sbschmidt } else { 3394278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3395278366Sadrian sizeof (struct wpi_rxon), async); 3396173362Sbenjsc } 3397173362Sbenjsc if (error != 0) { 3398278366Sadrian device_printf(sc->sc_dev, "RXON command failed, error %d\n", 3399278366Sadrian error); 3400173362Sbenjsc return error; 3401173362Sbenjsc } 3402173362Sbenjsc 3403278366Sadrian /* Configuration has changed, set Tx power accordingly. */ 3404278366Sadrian if ((error = wpi_set_txpower(sc, async)) != 0) { 3405278366Sadrian device_printf(sc->sc_dev, 3406278366Sadrian "%s: could not set TX power, error %d\n", __func__, error); 3407173362Sbenjsc return error; 3408173362Sbenjsc } 3409173362Sbenjsc 3410278366Sadrian if (!(sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3411278366Sadrian /* Add broadcast node. */ 3412278366Sadrian error = wpi_add_broadcast_node(sc, async); 3413278366Sadrian if (error != 0) { 3414278366Sadrian device_printf(sc->sc_dev, 3415278366Sadrian "could not add broadcast node, error %d\n", error); 3416278366Sadrian return error; 3417278366Sadrian } 3418278366Sadrian } 3419177043Sthompsa 3420278366Sadrian return 0; 3421177043Sthompsa} 3422177043Sthompsa 3423278366Sadrian/** 3424278366Sadrian * Configure the card to listen to a particular channel, this transisions the 3425278366Sadrian * card in to being able to receive frames from remote devices. 3426278366Sadrian */ 3427177043Sthompsastatic int 3428278366Sadrianwpi_config(struct wpi_softc *sc) 3429177043Sthompsa{ 3430278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3431278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3432279762Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3433278366Sadrian uint32_t flags; 3434177043Sthompsa int error; 3435177043Sthompsa 3436278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3437278366Sadrian 3438278366Sadrian /* Set power saving level to CAM during initialization. */ 3439278366Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 0)) != 0) { 3440278366Sadrian device_printf(sc->sc_dev, 3441278366Sadrian "%s: could not set power saving level\n", __func__); 3442278366Sadrian return error; 3443178354Ssam } 3444178354Ssam 3445278366Sadrian /* Configure bluetooth coexistence. */ 3446278366Sadrian if ((error = wpi_send_btcoex(sc)) != 0) { 3447278366Sadrian device_printf(sc->sc_dev, 3448278366Sadrian "could not configure bluetooth coexistence\n"); 3449278366Sadrian return error; 3450278366Sadrian } 3451177043Sthompsa 3452278366Sadrian /* Configure adapter. */ 3453278366Sadrian memset(&sc->rxon, 0, sizeof (struct wpi_rxon)); 3454279762Sadrian IEEE80211_ADDR_COPY(sc->rxon.myaddr, vap->iv_myaddr); 3455177043Sthompsa 3456278366Sadrian /* Set default channel. */ 3457278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ic->ic_curchan); 3458278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3459278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) 3460278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3461177043Sthompsa 3462278764Sadrian sc->rxon.filter = WPI_FILTER_MULTICAST; 3463278366Sadrian switch (ic->ic_opmode) { 3464278366Sadrian case IEEE80211_M_STA: 3465278366Sadrian sc->rxon.mode = WPI_MODE_STA; 3466278366Sadrian break; 3467278366Sadrian case IEEE80211_M_IBSS: 3468278366Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3469278764Sadrian sc->rxon.filter |= WPI_FILTER_BEACON; 3470278366Sadrian break; 3471278366Sadrian /* XXX workaround for passive channels selection */ 3472278366Sadrian case IEEE80211_M_AHDEMO: 3473278366Sadrian case IEEE80211_M_HOSTAP: 3474278366Sadrian sc->rxon.mode = WPI_MODE_HOSTAP; 3475278366Sadrian break; 3476278366Sadrian case IEEE80211_M_MONITOR: 3477278366Sadrian sc->rxon.mode = WPI_MODE_MONITOR; 3478278366Sadrian break; 3479278366Sadrian default: 3480278366Sadrian device_printf(sc->sc_dev, "unknown opmode %d\n", ic->ic_opmode); 3481278366Sadrian return EINVAL; 3482278366Sadrian } 3483278764Sadrian sc->rxon.filter = htole32(sc->rxon.filter); 3484278366Sadrian wpi_set_promisc(sc); 3485278366Sadrian sc->rxon.cck_mask = 0x0f; /* not yet negotiated */ 3486278366Sadrian sc->rxon.ofdm_mask = 0xff; /* not yet negotiated */ 3487278366Sadrian 3488278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) { 3489278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3490278366Sadrian __func__); 3491173362Sbenjsc return error; 3492173362Sbenjsc } 3493173362Sbenjsc 3494278366Sadrian /* Setup rate scalling. */ 3495278366Sadrian if ((error = wpi_mrr_setup(sc)) != 0) { 3496278366Sadrian device_printf(sc->sc_dev, "could not setup MRR, error %d\n", 3497278366Sadrian error); 3498278366Sadrian return error; 3499278366Sadrian } 3500278366Sadrian 3501278366Sadrian /* Disable beacon notifications (unused). */ 3502278366Sadrian flags = WPI_STATISTICS_BEACON_DISABLE; 3503278366Sadrian error = wpi_cmd(sc, WPI_CMD_GET_STATISTICS, &flags, sizeof flags, 1); 3504177043Sthompsa if (error != 0) { 3505278366Sadrian device_printf(sc->sc_dev, 3506278366Sadrian "could not disable beacon statistics, error %d\n", error); 3507177043Sthompsa return error; 3508177043Sthompsa } 3509173362Sbenjsc 3510278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3511177043Sthompsa 3512278366Sadrian return 0; 3513278366Sadrian} 3514177043Sthompsa 3515278366Sadrianstatic uint16_t 3516278366Sadrianwpi_get_active_dwell_time(struct wpi_softc *sc, 3517278366Sadrian struct ieee80211_channel *c, uint8_t n_probes) 3518278366Sadrian{ 3519278366Sadrian /* No channel? Default to 2GHz settings. */ 3520278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) { 3521278366Sadrian return (WPI_ACTIVE_DWELL_TIME_2GHZ + 3522278366Sadrian WPI_ACTIVE_DWELL_FACTOR_2GHZ * (n_probes + 1)); 3523278366Sadrian } 3524278366Sadrian 3525278366Sadrian /* 5GHz dwell time. */ 3526278366Sadrian return (WPI_ACTIVE_DWELL_TIME_5GHZ + 3527278366Sadrian WPI_ACTIVE_DWELL_FACTOR_5GHZ * (n_probes + 1)); 3528173362Sbenjsc} 3529173362Sbenjsc 3530173362Sbenjsc/* 3531278366Sadrian * Limit the total dwell time to 85% of the beacon interval. 3532278366Sadrian * 3533278366Sadrian * Returns the dwell time in milliseconds. 3534173362Sbenjsc */ 3535278366Sadrianstatic uint16_t 3536278366Sadrianwpi_limit_dwell(struct wpi_softc *sc, uint16_t dwell_time) 3537278366Sadrian{ 3538278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3539278366Sadrian struct ieee80211vap *vap = NULL; 3540278366Sadrian int bintval = 0; 3541278366Sadrian 3542278366Sadrian /* bintval is in TU (1.024mS) */ 3543278366Sadrian if (! TAILQ_EMPTY(&ic->ic_vaps)) { 3544278366Sadrian vap = TAILQ_FIRST(&ic->ic_vaps); 3545278366Sadrian bintval = vap->iv_bss->ni_intval; 3546278366Sadrian } 3547278366Sadrian 3548278366Sadrian /* 3549278366Sadrian * If it's non-zero, we should calculate the minimum of 3550278366Sadrian * it and the DWELL_BASE. 3551278366Sadrian * 3552278366Sadrian * XXX Yes, the math should take into account that bintval 3553278366Sadrian * is 1.024mS, not 1mS.. 3554278366Sadrian */ 3555278366Sadrian if (bintval > 0) { 3556278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "%s: bintval=%d\n", __func__, 3557278366Sadrian bintval); 3558278366Sadrian return (MIN(WPI_PASSIVE_DWELL_BASE, ((bintval * 85) / 100))); 3559278366Sadrian } 3560278366Sadrian 3561278366Sadrian /* No association context? Default. */ 3562278366Sadrian return (WPI_PASSIVE_DWELL_BASE); 3563278366Sadrian} 3564278366Sadrian 3565278366Sadrianstatic uint16_t 3566278366Sadrianwpi_get_passive_dwell_time(struct wpi_softc *sc, struct ieee80211_channel *c) 3567278366Sadrian{ 3568278366Sadrian uint16_t passive; 3569278366Sadrian 3570278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) 3571278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_2GHZ; 3572278366Sadrian else 3573278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_5GHZ; 3574278366Sadrian 3575278366Sadrian /* Clamp to the beacon interval if we're associated. */ 3576278366Sadrian return (wpi_limit_dwell(sc, passive)); 3577278366Sadrian} 3578278366Sadrian 3579278366Sadrian/* 3580278366Sadrian * Send a scan request to the firmware. 3581278366Sadrian */ 3582173362Sbenjscstatic int 3583278366Sadrianwpi_scan(struct wpi_softc *sc, struct ieee80211_channel *c) 3584173362Sbenjsc{ 3585178354Ssam struct ifnet *ifp = sc->sc_ifp; 3586178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3587177043Sthompsa struct ieee80211_scan_state *ss = ic->ic_scan; 3588279762Sadrian struct ieee80211vap *vap = ss->ss_vap; 3589173362Sbenjsc struct wpi_scan_hdr *hdr; 3590278366Sadrian struct wpi_cmd_data *tx; 3591278366Sadrian struct wpi_scan_essid *essids; 3592173362Sbenjsc struct wpi_scan_chan *chan; 3593173362Sbenjsc struct ieee80211_frame *wh; 3594173362Sbenjsc struct ieee80211_rateset *rs; 3595278366Sadrian uint16_t dwell_active, dwell_passive; 3596278366Sadrian uint8_t *buf, *frm; 3597278366Sadrian int buflen, error, i, nssid; 3598173362Sbenjsc 3599278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3600173362Sbenjsc 3601278366Sadrian /* 3602278366Sadrian * We are absolutely not allowed to send a scan command when another 3603278366Sadrian * scan command is pending. 3604278366Sadrian */ 3605278366Sadrian if (sc->sc_scan_timer) { 3606278366Sadrian device_printf(sc->sc_dev, "%s: called whilst scanning!\n", 3607278366Sadrian __func__); 3608280060Sadrian 3609280060Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3610280060Sadrian 3611278366Sadrian return (EAGAIN); 3612278366Sadrian } 3613278366Sadrian 3614278366Sadrian buf = malloc(WPI_SCAN_MAXSZ, M_DEVBUF, M_NOWAIT | M_ZERO); 3615278366Sadrian if (buf == NULL) { 3616173362Sbenjsc device_printf(sc->sc_dev, 3617278366Sadrian "%s: could not allocate buffer for scan command\n", 3618278366Sadrian __func__); 3619280060Sadrian error = ENOMEM; 3620280060Sadrian goto fail; 3621173362Sbenjsc } 3622278366Sadrian hdr = (struct wpi_scan_hdr *)buf; 3623173362Sbenjsc 3624173362Sbenjsc /* 3625278366Sadrian * Move to the next channel if no packets are received within 10 msecs 3626278366Sadrian * after sending the probe request. 3627173362Sbenjsc */ 3628278366Sadrian hdr->quiet_time = htole16(10); /* timeout in milliseconds */ 3629278366Sadrian hdr->quiet_threshold = htole16(1); /* min # of packets */ 3630278366Sadrian /* 3631278366Sadrian * Max needs to be greater than active and passive and quiet! 3632278366Sadrian * It's also in microseconds! 3633278366Sadrian */ 3634278366Sadrian hdr->max_svc = htole32(250 * IEEE80211_DUR_TU); 3635278366Sadrian hdr->pause_svc = htole32((4 << 24) | 3636278366Sadrian (100 * IEEE80211_DUR_TU)); /* Hardcode for now */ 3637278366Sadrian hdr->filter = htole32(WPI_FILTER_MULTICAST | WPI_FILTER_BEACON); 3638173362Sbenjsc 3639278366Sadrian tx = (struct wpi_cmd_data *)(hdr + 1); 3640278366Sadrian tx->flags = htole32(WPI_TX_AUTO_SEQ); 3641278366Sadrian tx->id = WPI_ID_BROADCAST; 3642278366Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 3643173362Sbenjsc 3644278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) { 3645278366Sadrian /* Send probe requests at 6Mbps. */ 3646278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_OFDM6]; 3647278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11A]; 3648173362Sbenjsc } else { 3649278366Sadrian hdr->flags = htole32(WPI_RXON_24GHZ | WPI_RXON_AUTO); 3650278366Sadrian /* Send probe requests at 1Mbps. */ 3651278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3652278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11G]; 3653173362Sbenjsc } 3654173362Sbenjsc 3655278366Sadrian essids = (struct wpi_scan_essid *)(tx + 1); 3656177043Sthompsa nssid = MIN(ss->ss_nssid, WPI_SCAN_MAX_ESSIDS); 3657178354Ssam for (i = 0; i < nssid; i++) { 3658278366Sadrian essids[i].id = IEEE80211_ELEMID_SSID; 3659278366Sadrian essids[i].len = MIN(ss->ss_ssid[i].len, IEEE80211_NWID_LEN); 3660278366Sadrian memcpy(essids[i].data, ss->ss_ssid[i].ssid, essids[i].len); 3661179957Sthompsa#ifdef WPI_DEBUG 3662278366Sadrian if (sc->sc_debug & WPI_DEBUG_SCAN) { 3663177043Sthompsa printf("Scanning Essid: "); 3664278366Sadrian ieee80211_print_essid(essids[i].data, essids[i].len); 3665177043Sthompsa printf("\n"); 3666177043Sthompsa } 3667179957Sthompsa#endif 3668173362Sbenjsc } 3669173362Sbenjsc 3670173362Sbenjsc /* 3671173362Sbenjsc * Build a probe request frame. Most of the following code is a 3672173362Sbenjsc * copy & paste of what is done in net80211. 3673173362Sbenjsc */ 3674278366Sadrian wh = (struct ieee80211_frame *)(essids + WPI_SCAN_MAX_ESSIDS); 3675173362Sbenjsc wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 3676173362Sbenjsc IEEE80211_FC0_SUBTYPE_PROBE_REQ; 3677173362Sbenjsc wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 3678173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr1, ifp->if_broadcastaddr); 3679279762Sadrian IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); 3680173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr3, ifp->if_broadcastaddr); 3681278366Sadrian *(uint16_t *)&wh->i_dur[0] = 0; /* filled by h/w */ 3682278366Sadrian *(uint16_t *)&wh->i_seq[0] = 0; /* filled by h/w */ 3683173362Sbenjsc 3684173362Sbenjsc frm = (uint8_t *)(wh + 1); 3685275966Sadrian frm = ieee80211_add_ssid(frm, NULL, 0); 3686275966Sadrian frm = ieee80211_add_rates(frm, rs); 3687278366Sadrian if (rs->rs_nrates > IEEE80211_RATE_SIZE) 3688278366Sadrian frm = ieee80211_add_xrates(frm, rs); 3689173362Sbenjsc 3690278366Sadrian /* Set length of probe request. */ 3691278366Sadrian tx->len = htole16(frm - (uint8_t *)wh); 3692173362Sbenjsc 3693173362Sbenjsc /* 3694173362Sbenjsc * Construct information about the channel that we 3695173362Sbenjsc * want to scan. The firmware expects this to be directly 3696173362Sbenjsc * after the scan probe request 3697173362Sbenjsc */ 3698173362Sbenjsc chan = (struct wpi_scan_chan *)frm; 3699278366Sadrian chan->chan = htole16(ieee80211_chan2ieee(ic, c)); 3700173362Sbenjsc chan->flags = 0; 3701278366Sadrian if (nssid) { 3702278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_DEFAULT; 3703278366Sadrian chan->flags |= WPI_CHAN_NPBREQS(nssid); 3704278366Sadrian } else 3705278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_NEVER; 3706278366Sadrian 3707278764Sadrian if (!IEEE80211_IS_CHAN_PASSIVE(c)) 3708173362Sbenjsc chan->flags |= WPI_CHAN_ACTIVE; 3709173362Sbenjsc 3710278366Sadrian /* 3711278366Sadrian * Calculate the active/passive dwell times. 3712278366Sadrian */ 3713173362Sbenjsc 3714278366Sadrian dwell_active = wpi_get_active_dwell_time(sc, c, nssid); 3715278366Sadrian dwell_passive = wpi_get_passive_dwell_time(sc, c); 3716278366Sadrian 3717278366Sadrian /* Make sure they're valid. */ 3718278366Sadrian if (dwell_passive <= dwell_active) 3719278366Sadrian dwell_passive = dwell_active + 1; 3720278366Sadrian 3721278366Sadrian chan->active = htole16(dwell_active); 3722278366Sadrian chan->passive = htole16(dwell_passive); 3723278366Sadrian 3724278366Sadrian chan->dsp_gain = 0x6e; /* Default level */ 3725278366Sadrian 3726278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) 3727278366Sadrian chan->rf_gain = 0x3b; 3728278366Sadrian else 3729278366Sadrian chan->rf_gain = 0x28; 3730278366Sadrian 3731278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "Scanning %u Passive: %d\n", 3732280059Sadrian chan->chan, IEEE80211_IS_CHAN_PASSIVE(c)); 3733278366Sadrian 3734173362Sbenjsc hdr->nchan++; 3735173362Sbenjsc chan++; 3736173362Sbenjsc 3737278366Sadrian buflen = (uint8_t *)chan - buf; 3738278366Sadrian hdr->len = htole16(buflen); 3739173362Sbenjsc 3740278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "sending scan command nchan=%d\n", 3741278366Sadrian hdr->nchan); 3742278366Sadrian error = wpi_cmd(sc, WPI_CMD_SCAN, buf, buflen, 1); 3743278366Sadrian free(buf, M_DEVBUF); 3744173362Sbenjsc 3745280060Sadrian if (error != 0) 3746280060Sadrian goto fail; 3747280060Sadrian 3748278366Sadrian sc->sc_scan_timer = 5; 3749173362Sbenjsc 3750278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3751173362Sbenjsc 3752280060Sadrian return 0; 3753280060Sadrian 3754280060Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3755280060Sadrian 3756278366Sadrian return error; 3757278366Sadrian} 3758173362Sbenjsc 3759278366Sadrianstatic int 3760278366Sadrianwpi_auth(struct wpi_softc *sc, struct ieee80211vap *vap) 3761278366Sadrian{ 3762278366Sadrian struct ieee80211com *ic = vap->iv_ic; 3763278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 3764278366Sadrian int error; 3765173362Sbenjsc 3766278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3767278366Sadrian 3768278366Sadrian /* Update adapter configuration. */ 3769278366Sadrian sc->rxon.associd = 0; 3770278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 3771278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 3772278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 3773278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3774278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 3775278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3776278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 3777278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 3778278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 3779278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 3780278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 3781278366Sadrian sc->rxon.cck_mask = 0; 3782278366Sadrian sc->rxon.ofdm_mask = 0x15; 3783278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 3784278366Sadrian sc->rxon.cck_mask = 0x03; 3785278366Sadrian sc->rxon.ofdm_mask = 0; 3786278366Sadrian } else { 3787278366Sadrian /* Assume 802.11b/g. */ 3788278366Sadrian sc->rxon.cck_mask = 0x0f; 3789278366Sadrian sc->rxon.ofdm_mask = 0x15; 3790173362Sbenjsc } 3791173362Sbenjsc 3792278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x cck %x ofdm %x\n", 3793278366Sadrian sc->rxon.chan, sc->rxon.flags, sc->rxon.cck_mask, 3794278366Sadrian sc->rxon.ofdm_mask); 3795173362Sbenjsc 3796278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 3797278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3798278366Sadrian __func__); 3799278366Sadrian } 3800173362Sbenjsc 3801278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3802173362Sbenjsc 3803278366Sadrian return error; 3804173362Sbenjsc} 3805173362Sbenjsc 3806173362Sbenjscstatic int 3807278366Sadrianwpi_setup_beacon(struct wpi_softc *sc, struct ieee80211_node *ni) 3808173362Sbenjsc{ 3809178354Ssam struct ifnet *ifp = sc->sc_ifp; 3810178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3811278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 3812278366Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 3813278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 3814278366Sadrian struct ieee80211_beacon_offsets bo; 3815278366Sadrian struct wpi_cmd_beacon *cmd; 3816278366Sadrian struct mbuf *m; 3817278366Sadrian int totlen; 3818173362Sbenjsc 3819278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3820278366Sadrian 3821278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) 3822278366Sadrian return EINVAL; 3823278366Sadrian 3824278366Sadrian m = ieee80211_beacon_alloc(ni, &bo); 3825278366Sadrian if (m == NULL) { 3826278366Sadrian device_printf(sc->sc_dev, 3827278366Sadrian "%s: could not allocate beacon frame\n", __func__); 3828278366Sadrian return ENOMEM; 3829173362Sbenjsc } 3830278366Sadrian totlen = m->m_pkthdr.len; 3831173362Sbenjsc 3832278366Sadrian if (bcn->data == NULL) { 3833278366Sadrian cmd = malloc(sizeof(struct wpi_cmd_beacon), M_DEVBUF, 3834278366Sadrian M_NOWAIT | M_ZERO); 3835278366Sadrian 3836278366Sadrian if (cmd == NULL) { 3837278366Sadrian device_printf(sc->sc_dev, 3838278366Sadrian "could not allocate buffer for beacon command\n"); 3839278366Sadrian m_freem(m); 3840278366Sadrian return ENOMEM; 3841278366Sadrian } 3842278366Sadrian 3843278366Sadrian cmd->id = WPI_ID_BROADCAST; 3844278366Sadrian cmd->ofdm_mask = 0xff; 3845278366Sadrian cmd->cck_mask = 0x0f; 3846278366Sadrian cmd->lifetime = htole32(WPI_LIFETIME_INFINITE); 3847278366Sadrian cmd->flags = htole32(WPI_TX_AUTO_SEQ | WPI_TX_INSERT_TSTAMP); 3848278366Sadrian 3849278366Sadrian bcn->data = cmd; 3850278366Sadrian bcn->ni = NULL; 3851278366Sadrian bcn->code = WPI_CMD_SET_BEACON; 3852278366Sadrian bcn->ac = 4; 3853278366Sadrian bcn->size = sizeof(struct wpi_cmd_beacon); 3854278366Sadrian } else 3855278366Sadrian cmd = bcn->data; 3856278366Sadrian 3857278366Sadrian cmd->len = htole16(totlen); 3858278366Sadrian cmd->plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3859278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3860278366Sadrian 3861278366Sadrian /* NB: m will be freed in wpi_cmd_done() */ 3862278366Sadrian bcn->m = m; 3863278366Sadrian 3864278366Sadrian return wpi_cmd2(sc, bcn); 3865278366Sadrian} 3866278366Sadrian 3867278366Sadrianstatic void 3868278366Sadrianwpi_update_beacon(struct ieee80211vap *vap, int item) 3869278366Sadrian{ 3870280057Sadrian struct wpi_softc *sc = vap->iv_ic->ic_ifp->if_softc; 3871278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 3872278366Sadrian int error; 3873278366Sadrian 3874278764Sadrian WPI_LOCK(sc); 3875278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 3876173362Sbenjsc device_printf(sc->sc_dev, 3877278366Sadrian "%s: could not update beacon frame, error %d", __func__, 3878278366Sadrian error); 3879173362Sbenjsc } 3880278764Sadrian WPI_UNLOCK(sc); 3881278366Sadrian} 3882173362Sbenjsc 3883278366Sadrianstatic int 3884278366Sadrianwpi_run(struct wpi_softc *sc, struct ieee80211vap *vap) 3885278366Sadrian{ 3886278366Sadrian struct ieee80211com *ic = vap->iv_ic; 3887278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 3888278366Sadrian int error; 3889278366Sadrian 3890278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3891278366Sadrian 3892278366Sadrian if (vap->iv_opmode == IEEE80211_M_MONITOR) { 3893278366Sadrian /* Link LED blinks while monitoring. */ 3894278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 5, 5); 3895278366Sadrian return 0; 3896173362Sbenjsc } 3897278366Sadrian 3898278366Sadrian /* XXX kernel panic workaround */ 3899278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) { 3900278366Sadrian device_printf(sc->sc_dev, "%s: incomplete configuration\n", 3901278366Sadrian __func__); 3902195562Srpaulo return EINVAL; 3903173362Sbenjsc } 3904278366Sadrian 3905278366Sadrian if ((error = wpi_set_timing(sc, ni)) != 0) { 3906278366Sadrian device_printf(sc->sc_dev, 3907278366Sadrian "%s: could not set timing, error %d\n", __func__, error); 3908173362Sbenjsc return error; 3909173362Sbenjsc } 3910173362Sbenjsc 3911278366Sadrian /* Update adapter configuration. */ 3912278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 3913278366Sadrian sc->rxon.associd = htole16(IEEE80211_NODE_AID(ni)); 3914278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 3915278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3916278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 3917278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3918278366Sadrian /* Short preamble and slot time are negotiated when associating. */ 3919278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_SHPREAMBLE | WPI_RXON_SHSLOT); 3920278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 3921278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 3922278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 3923278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 3924278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 3925278366Sadrian sc->rxon.cck_mask = 0; 3926278366Sadrian sc->rxon.ofdm_mask = 0x15; 3927278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 3928278366Sadrian sc->rxon.cck_mask = 0x03; 3929278366Sadrian sc->rxon.ofdm_mask = 0; 3930278366Sadrian } else { 3931278366Sadrian /* Assume 802.11b/g. */ 3932278366Sadrian sc->rxon.cck_mask = 0x0f; 3933278366Sadrian sc->rxon.ofdm_mask = 0x15; 3934173362Sbenjsc } 3935278366Sadrian sc->rxon.filter |= htole32(WPI_FILTER_BSS); 3936173362Sbenjsc 3937278366Sadrian /* XXX put somewhere HC_QOS_SUPPORT_ASSOC + HC_IBSS_START */ 3938278366Sadrian 3939278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x\n", 3940278366Sadrian sc->rxon.chan, sc->rxon.flags); 3941278366Sadrian 3942278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 3943278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3944278366Sadrian __func__); 3945173362Sbenjsc return error; 3946173362Sbenjsc } 3947173362Sbenjsc 3948278366Sadrian if (vap->iv_opmode == IEEE80211_M_IBSS) { 3949278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 3950278366Sadrian device_printf(sc->sc_dev, 3951278366Sadrian "%s: could not setup beacon, error %d\n", __func__, 3952278366Sadrian error); 3953278366Sadrian return error; 3954278366Sadrian } 3955173362Sbenjsc } 3956173362Sbenjsc 3957278366Sadrian if (vap->iv_opmode == IEEE80211_M_STA) { 3958278366Sadrian /* Add BSS node. */ 3959278366Sadrian ((struct wpi_node *)ni)->id = WPI_ID_BSS; 3960278366Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3961278366Sadrian device_printf(sc->sc_dev, 3962278366Sadrian "%s: could not add BSS node, error %d\n", __func__, 3963278366Sadrian error); 3964278366Sadrian return error; 3965278366Sadrian } 3966278366Sadrian } 3967173362Sbenjsc 3968278366Sadrian /* Link LED always on while associated. */ 3969278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 3970173362Sbenjsc 3971278366Sadrian /* Start periodic calibration timer. */ 3972278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 3973173362Sbenjsc 3974278366Sadrian /* Enable power-saving mode if requested by user. */ 3975278366Sadrian if (vap->iv_flags & IEEE80211_F_PMGTON) 3976278366Sadrian (void)wpi_set_pslevel(sc, 0, 3, 1); 3977278764Sadrian else 3978278764Sadrian (void)wpi_set_pslevel(sc, 0, 0, 1); 3979173362Sbenjsc 3980278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3981173362Sbenjsc 3982278366Sadrian return 0; 3983173362Sbenjsc} 3984173362Sbenjsc 3985173362Sbenjscstatic int 3986278366Sadrianwpi_key_alloc(struct ieee80211vap *vap, struct ieee80211_key *k, 3987278366Sadrian ieee80211_keyix *keyix, ieee80211_keyix *rxkeyix) 3988173362Sbenjsc{ 3989280057Sadrian struct wpi_softc *sc = vap->iv_ic->ic_ifp->if_softc; 3990173362Sbenjsc 3991278366Sadrian if (!(&vap->iv_nw_keys[0] <= k && 3992278366Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID])) { 3993278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) { 3994278366Sadrian /* should not happen */ 3995278366Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: bogus group key\n", 3996278366Sadrian __func__); 3997278366Sadrian return 0; 3998278366Sadrian } 3999278366Sadrian *keyix = 0; /* NB: use key index 0 for ucast key */ 4000278366Sadrian } else { 4001278366Sadrian *keyix = *rxkeyix = k - vap->iv_nw_keys; 4002173362Sbenjsc 4003278366Sadrian if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_AES_CCM) 4004278366Sadrian k->wk_flags |= IEEE80211_KEY_SWCRYPT; 4005173362Sbenjsc } 4006278366Sadrian return 1; 4007173362Sbenjsc} 4008173362Sbenjsc 4009173362Sbenjscstatic int 4010278366Sadrianwpi_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k, 4011278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 4012173362Sbenjsc{ 4013278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4014278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4015278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4016278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4017280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4018278366Sadrian struct wpi_node_info node; 4019278366Sadrian uint16_t kflags; 4020278366Sadrian int error; 4021173362Sbenjsc 4022278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4023173362Sbenjsc 4024278366Sadrian switch (cip->ic_cipher) { 4025278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4026278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4027278366Sadrian return 1; 4028173362Sbenjsc 4029278366Sadrian kflags = WPI_KFLAG_CCMP; 4030278366Sadrian break; 4031278366Sadrian default: 4032278366Sadrian /* null_key_set() */ 4033278366Sadrian return 1; 4034278366Sadrian } 4035173362Sbenjsc 4036278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 4037278366Sadrian return 0; 4038173362Sbenjsc 4039278366Sadrian kflags |= WPI_KFLAG_KID(k->wk_keyix); 4040278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4041278366Sadrian kflags |= WPI_KFLAG_MULTICAST; 4042173362Sbenjsc 4043278366Sadrian memset(&node, 0, sizeof node); 4044278366Sadrian node.id = wn->id; 4045278366Sadrian node.control = WPI_NODE_UPDATE; 4046278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4047278366Sadrian node.kflags = htole16(kflags); 4048278366Sadrian memcpy(node.key, k->wk_key, k->wk_keylen); 4049173362Sbenjsc 4050278366Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "set key id=%d for node %d\n", k->wk_keyix, 4051278366Sadrian node.id); 4052173362Sbenjsc 4053278366Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4054278366Sadrian if (error != 0) { 4055278366Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4056278366Sadrian error); 4057278366Sadrian return 0; 4058173362Sbenjsc } 4059173362Sbenjsc 4060278366Sadrian return 1; 4061173362Sbenjsc} 4062173362Sbenjsc 4063278366Sadrianstatic int 4064278366Sadrianwpi_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 4065173362Sbenjsc{ 4066278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4067278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4068278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4069278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4070280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4071278366Sadrian struct wpi_node_info node; 4072173362Sbenjsc 4073278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4074173362Sbenjsc 4075278366Sadrian switch (cip->ic_cipher) { 4076278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4077278366Sadrian break; 4078278366Sadrian default: 4079278366Sadrian /* null_key_delete() */ 4080278366Sadrian return 1; 4081278366Sadrian } 4082173362Sbenjsc 4083278366Sadrian if (vap->iv_state != IEEE80211_S_RUN || 4084278366Sadrian (k->wk_flags & IEEE80211_KEY_GROUP)) 4085278366Sadrian return 1; /* Nothing to do. */ 4086173362Sbenjsc 4087278366Sadrian memset(&node, 0, sizeof node); 4088278366Sadrian node.id = wn->id; 4089278366Sadrian node.control = WPI_NODE_UPDATE; 4090278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4091173362Sbenjsc 4092278366Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "delete keys for node %d\n", node.id); 4093278366Sadrian (void)wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4094173362Sbenjsc 4095278366Sadrian return 1; 4096173362Sbenjsc} 4097173362Sbenjsc 4098278366Sadrian/* 4099278366Sadrian * This function is called after the runtime firmware notifies us of its 4100278366Sadrian * readiness (called in a process context). 4101278366Sadrian */ 4102278366Sadrianstatic int 4103278366Sadrianwpi_post_alive(struct wpi_softc *sc) 4104177043Sthompsa{ 4105278366Sadrian int ntries, error; 4106177043Sthompsa 4107278366Sadrian /* Check (again) that the radio is not disabled. */ 4108278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4109278366Sadrian return error; 4110177043Sthompsa 4111278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4112278366Sadrian 4113278366Sadrian /* NB: Runtime firmware must be up and running. */ 4114278366Sadrian if (!(wpi_prph_read(sc, WPI_APMG_RFKILL) & 1)) { 4115278366Sadrian device_printf(sc->sc_dev, 4116278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4117278366Sadrian wpi_nic_unlock(sc); 4118278366Sadrian return EPERM; /* :-) */ 4119278366Sadrian } 4120278366Sadrian wpi_nic_unlock(sc); 4121278366Sadrian 4122278366Sadrian /* Wait for thermal sensor to calibrate. */ 4123177043Sthompsa for (ntries = 0; ntries < 1000; ntries++) { 4124278366Sadrian if ((sc->temp = (int)WPI_READ(sc, WPI_UCODE_GP2)) != 0) 4125177043Sthompsa break; 4126177043Sthompsa DELAY(10); 4127177043Sthompsa } 4128177043Sthompsa 4129177043Sthompsa if (ntries == 1000) { 4130177043Sthompsa device_printf(sc->sc_dev, 4131278366Sadrian "timeout waiting for thermal sensor calibration\n"); 4132280059Sadrian return ETIMEDOUT; 4133280059Sadrian } 4134177043Sthompsa 4135280059Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d\n", sc->temp); 4136280059Sadrian return 0; 4137278366Sadrian} 4138177043Sthompsa 4139278366Sadrian/* 4140278366Sadrian * The firmware boot code is small and is intended to be copied directly into 4141278366Sadrian * the NIC internal memory (no DMA transfer). 4142278366Sadrian */ 4143278366Sadrianstatic int 4144278366Sadrianwpi_load_bootcode(struct wpi_softc *sc, const uint8_t *ucode, int size) 4145278366Sadrian{ 4146278366Sadrian int error, ntries; 4147177043Sthompsa 4148278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, "Loading microcode size 0x%x\n", size); 4149278366Sadrian 4150278366Sadrian size /= sizeof (uint32_t); 4151278366Sadrian 4152278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4153278366Sadrian return error; 4154278366Sadrian 4155278366Sadrian /* Copy microcode image into NIC memory. */ 4156278366Sadrian wpi_prph_write_region_4(sc, WPI_BSM_SRAM_BASE, 4157278366Sadrian (const uint32_t *)ucode, size); 4158278366Sadrian 4159278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_SRC, 0); 4160278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_DST, WPI_FW_TEXT_BASE); 4161278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_DWCOUNT, size); 4162278366Sadrian 4163278366Sadrian /* Start boot load now. */ 4164278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START); 4165278366Sadrian 4166278366Sadrian /* Wait for transfer to complete. */ 4167278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 4168278366Sadrian uint32_t status = WPI_READ(sc, WPI_FH_TX_STATUS); 4169278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4170278366Sadrian "firmware status=0x%x, val=0x%x, result=0x%x\n", status, 4171278366Sadrian WPI_FH_TX_STATUS_IDLE(6), 4172278366Sadrian status & WPI_FH_TX_STATUS_IDLE(6)); 4173278366Sadrian if (status & WPI_FH_TX_STATUS_IDLE(6)) { 4174278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4175278366Sadrian "Status Match! - ntries = %d\n", ntries); 4176278366Sadrian break; 4177178354Ssam } 4178278366Sadrian DELAY(10); 4179177043Sthompsa } 4180278366Sadrian if (ntries == 1000) { 4181278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4182278366Sadrian __func__); 4183278366Sadrian wpi_nic_unlock(sc); 4184278366Sadrian return ETIMEDOUT; 4185278366Sadrian } 4186177043Sthompsa 4187278366Sadrian /* Enable boot after power up. */ 4188278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START_EN); 4189278366Sadrian 4190278366Sadrian wpi_nic_unlock(sc); 4191278366Sadrian return 0; 4192177043Sthompsa} 4193177043Sthompsa 4194278366Sadrianstatic int 4195278366Sadrianwpi_load_firmware(struct wpi_softc *sc) 4196177043Sthompsa{ 4197278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4198278366Sadrian struct wpi_dma_info *dma = &sc->fw_dma; 4199278366Sadrian int error; 4200173362Sbenjsc 4201278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4202173362Sbenjsc 4203278366Sadrian /* Copy initialization sections into pre-allocated DMA-safe memory. */ 4204278366Sadrian memcpy(dma->vaddr, fw->init.data, fw->init.datasz); 4205278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4206278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->init.text, fw->init.textsz); 4207278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4208173362Sbenjsc 4209278366Sadrian /* Tell adapter where to find initialization sections. */ 4210278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4211278366Sadrian return error; 4212278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4213278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->init.datasz); 4214278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4215278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4216278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, fw->init.textsz); 4217278366Sadrian wpi_nic_unlock(sc); 4218173362Sbenjsc 4219278366Sadrian /* Load firmware boot code. */ 4220278366Sadrian error = wpi_load_bootcode(sc, fw->boot.text, fw->boot.textsz); 4221278366Sadrian if (error != 0) { 4222278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4223278366Sadrian __func__); 4224278366Sadrian return error; 4225278366Sadrian } 4226173362Sbenjsc 4227278366Sadrian /* Now press "execute". */ 4228278366Sadrian WPI_WRITE(sc, WPI_RESET, 0); 4229173362Sbenjsc 4230278366Sadrian /* Wait at most one second for first alive notification. */ 4231280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4232278366Sadrian device_printf(sc->sc_dev, 4233278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4234278366Sadrian __func__, error); 4235278366Sadrian return error; 4236173362Sbenjsc } 4237173362Sbenjsc 4238278366Sadrian /* Copy runtime sections into pre-allocated DMA-safe memory. */ 4239278366Sadrian memcpy(dma->vaddr, fw->main.data, fw->main.datasz); 4240278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4241278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->main.text, fw->main.textsz); 4242278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4243173362Sbenjsc 4244278366Sadrian /* Tell adapter where to find runtime sections. */ 4245278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4246278366Sadrian return error; 4247278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4248278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->main.datasz); 4249278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4250278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4251278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, 4252278366Sadrian WPI_FW_UPDATED | fw->main.textsz); 4253278366Sadrian wpi_nic_unlock(sc); 4254173362Sbenjsc 4255278366Sadrian return 0; 4256278366Sadrian} 4257173362Sbenjsc 4258278366Sadrianstatic int 4259278366Sadrianwpi_read_firmware(struct wpi_softc *sc) 4260278366Sadrian{ 4261278366Sadrian const struct firmware *fp; 4262278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4263278366Sadrian const struct wpi_firmware_hdr *hdr; 4264278366Sadrian int error; 4265173362Sbenjsc 4266278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4267278366Sadrian 4268278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4269278366Sadrian "Attempting Loading Firmware from %s module\n", WPI_FW_NAME); 4270278366Sadrian 4271278366Sadrian WPI_UNLOCK(sc); 4272278366Sadrian fp = firmware_get(WPI_FW_NAME); 4273278366Sadrian WPI_LOCK(sc); 4274278366Sadrian 4275278366Sadrian if (fp == NULL) { 4276278366Sadrian device_printf(sc->sc_dev, 4277278366Sadrian "could not load firmware image '%s'\n", WPI_FW_NAME); 4278278366Sadrian return EINVAL; 4279173362Sbenjsc } 4280173362Sbenjsc 4281278366Sadrian sc->fw_fp = fp; 4282173362Sbenjsc 4283278366Sadrian if (fp->datasize < sizeof (struct wpi_firmware_hdr)) { 4284278366Sadrian device_printf(sc->sc_dev, 4285278366Sadrian "firmware file too short: %zu bytes\n", fp->datasize); 4286278366Sadrian error = EINVAL; 4287278366Sadrian goto fail; 4288173362Sbenjsc } 4289173362Sbenjsc 4290278366Sadrian fw->size = fp->datasize; 4291278366Sadrian fw->data = (const uint8_t *)fp->data; 4292278366Sadrian 4293278366Sadrian /* Extract firmware header information. */ 4294278366Sadrian hdr = (const struct wpi_firmware_hdr *)fw->data; 4295278366Sadrian 4296278366Sadrian /* | RUNTIME FIRMWARE | INIT FIRMWARE | BOOT FW | 4297278366Sadrian |HDR|<--TEXT-->|<--DATA-->|<--TEXT-->|<--DATA-->|<--TEXT-->| */ 4298278366Sadrian 4299278366Sadrian fw->main.textsz = le32toh(hdr->rtextsz); 4300278366Sadrian fw->main.datasz = le32toh(hdr->rdatasz); 4301278366Sadrian fw->init.textsz = le32toh(hdr->itextsz); 4302278366Sadrian fw->init.datasz = le32toh(hdr->idatasz); 4303278366Sadrian fw->boot.textsz = le32toh(hdr->btextsz); 4304278366Sadrian fw->boot.datasz = 0; 4305278366Sadrian 4306278366Sadrian /* Sanity-check firmware header. */ 4307278366Sadrian if (fw->main.textsz > WPI_FW_TEXT_MAXSZ || 4308278366Sadrian fw->main.datasz > WPI_FW_DATA_MAXSZ || 4309278366Sadrian fw->init.textsz > WPI_FW_TEXT_MAXSZ || 4310278366Sadrian fw->init.datasz > WPI_FW_DATA_MAXSZ || 4311278366Sadrian fw->boot.textsz > WPI_FW_BOOT_TEXT_MAXSZ || 4312278366Sadrian (fw->boot.textsz & 3) != 0) { 4313278366Sadrian device_printf(sc->sc_dev, "invalid firmware header\n"); 4314278366Sadrian error = EINVAL; 4315278366Sadrian goto fail; 4316173362Sbenjsc } 4317173362Sbenjsc 4318278366Sadrian /* Check that all firmware sections fit. */ 4319278366Sadrian if (fw->size < sizeof (*hdr) + fw->main.textsz + fw->main.datasz + 4320278366Sadrian fw->init.textsz + fw->init.datasz + fw->boot.textsz) { 4321173362Sbenjsc device_printf(sc->sc_dev, 4322278366Sadrian "firmware file too short: %zu bytes\n", fw->size); 4323278366Sadrian error = EINVAL; 4324278366Sadrian goto fail; 4325173362Sbenjsc } 4326173362Sbenjsc 4327278366Sadrian /* Get pointers to firmware sections. */ 4328278366Sadrian fw->main.text = (const uint8_t *)(hdr + 1); 4329278366Sadrian fw->main.data = fw->main.text + fw->main.textsz; 4330278366Sadrian fw->init.text = fw->main.data + fw->main.datasz; 4331278366Sadrian fw->init.data = fw->init.text + fw->init.textsz; 4332278366Sadrian fw->boot.text = fw->init.data + fw->init.datasz; 4333177043Sthompsa 4334278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4335278366Sadrian "Firmware Version: Major %d, Minor %d, Driver %d, \n" 4336278366Sadrian "runtime (text: %u, data: %u) init (text: %u, data %u) boot (text %u)\n", 4337278366Sadrian hdr->major, hdr->minor, le32toh(hdr->driver), 4338278366Sadrian fw->main.textsz, fw->main.datasz, 4339278366Sadrian fw->init.textsz, fw->init.datasz, fw->boot.textsz); 4340278366Sadrian 4341278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.text %p\n", fw->main.text); 4342278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.data %p\n", fw->main.data); 4343278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.text %p\n", fw->init.text); 4344278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.data %p\n", fw->init.data); 4345278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->boot.text %p\n", fw->boot.text); 4346278366Sadrian 4347278366Sadrian return 0; 4348278366Sadrian 4349278366Sadrianfail: wpi_unload_firmware(sc); 4350278366Sadrian return error; 4351173362Sbenjsc} 4352173362Sbenjsc 4353278366Sadrian/** 4354278366Sadrian * Free the referenced firmware image 4355278366Sadrian */ 4356173362Sbenjscstatic void 4357278366Sadrianwpi_unload_firmware(struct wpi_softc *sc) 4358173362Sbenjsc{ 4359278366Sadrian if (sc->fw_fp != NULL) { 4360278366Sadrian firmware_put(sc->fw_fp, FIRMWARE_UNLOAD); 4361278366Sadrian sc->fw_fp = NULL; 4362278366Sadrian } 4363278366Sadrian} 4364173362Sbenjsc 4365278366Sadrianstatic int 4366278366Sadrianwpi_clock_wait(struct wpi_softc *sc) 4367278366Sadrian{ 4368278366Sadrian int ntries; 4369173362Sbenjsc 4370278366Sadrian /* Set "initialization complete" bit. */ 4371278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4372278366Sadrian 4373278366Sadrian /* Wait for clock stabilization. */ 4374278366Sadrian for (ntries = 0; ntries < 2500; ntries++) { 4375278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_MAC_CLOCK_READY) 4376278366Sadrian return 0; 4377278366Sadrian DELAY(100); 4378278366Sadrian } 4379278366Sadrian device_printf(sc->sc_dev, 4380278366Sadrian "%s: timeout waiting for clock stabilization\n", __func__); 4381278366Sadrian 4382278366Sadrian return ETIMEDOUT; 4383173362Sbenjsc} 4384178354Ssam 4385278366Sadrianstatic int 4386278366Sadrianwpi_apm_init(struct wpi_softc *sc) 4387173362Sbenjsc{ 4388278366Sadrian uint32_t reg; 4389278366Sadrian int error; 4390173362Sbenjsc 4391278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4392173362Sbenjsc 4393278366Sadrian /* Disable L0s exit timer (NMI bug workaround). */ 4394278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_DIS_L0S_TIMER); 4395278366Sadrian /* Don't wait for ICH L0s (ICH bug workaround). */ 4396278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_L1A_NO_L0S_RX); 4397173362Sbenjsc 4398278366Sadrian /* Set FH wait threshold to max (HW bug under stress workaround). */ 4399278366Sadrian WPI_SETBITS(sc, WPI_DBG_HPET_MEM, 0xffff0000); 4400173362Sbenjsc 4401278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 4402278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 4403278366Sadrian /* Workaround for HW instability in PCIe L0->L0s->L1 transition. */ 4404278366Sadrian if (reg & 0x02) /* L1 Entry enabled. */ 4405278366Sadrian WPI_SETBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4406278366Sadrian else 4407278366Sadrian WPI_CLRBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4408173362Sbenjsc 4409278366Sadrian WPI_SETBITS(sc, WPI_ANA_PLL, WPI_ANA_PLL_INIT); 4410173362Sbenjsc 4411278366Sadrian /* Wait for clock stabilization before accessing prph. */ 4412278366Sadrian if ((error = wpi_clock_wait(sc)) != 0) 4413278366Sadrian return error; 4414173362Sbenjsc 4415278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4416278366Sadrian return error; 4417278366Sadrian /* Enable DMA and BSM (Bootstrap State Machine). */ 4418278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_EN, 4419278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT | WPI_APMG_CLK_CTRL_BSM_CLK_RQT); 4420278366Sadrian DELAY(20); 4421278366Sadrian /* Disable L1-Active. */ 4422278366Sadrian wpi_prph_setbits(sc, WPI_APMG_PCI_STT, WPI_APMG_PCI_STT_L1A_DIS); 4423278764Sadrian /* ??? */ 4424278764Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, 0x00000E00); 4425278366Sadrian wpi_nic_unlock(sc); 4426173362Sbenjsc 4427278366Sadrian return 0; 4428278366Sadrian} 4429173362Sbenjsc 4430278366Sadrianstatic void 4431278366Sadrianwpi_apm_stop_master(struct wpi_softc *sc) 4432278366Sadrian{ 4433278366Sadrian int ntries; 4434278366Sadrian 4435278366Sadrian /* Stop busmaster DMA activity. */ 4436278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_STOP_MASTER); 4437278366Sadrian 4438278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_PS_MASK) == 4439278366Sadrian WPI_GP_CNTRL_MAC_PS) 4440278366Sadrian return; /* Already asleep. */ 4441278366Sadrian 4442278366Sadrian for (ntries = 0; ntries < 100; ntries++) { 4443278366Sadrian if (WPI_READ(sc, WPI_RESET) & WPI_RESET_MASTER_DISABLED) 4444278366Sadrian return; 4445278366Sadrian DELAY(10); 4446278366Sadrian } 4447278366Sadrian device_printf(sc->sc_dev, "%s: timeout waiting for master\n", __func__); 4448173362Sbenjsc} 4449173362Sbenjsc 4450173362Sbenjscstatic void 4451278366Sadrianwpi_apm_stop(struct wpi_softc *sc) 4452173362Sbenjsc{ 4453278366Sadrian wpi_apm_stop_master(sc); 4454278366Sadrian 4455278366Sadrian /* Reset the entire device. */ 4456278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_SW); 4457278366Sadrian DELAY(10); 4458278366Sadrian /* Clear "initialization complete" bit. */ 4459278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4460173362Sbenjsc} 4461173362Sbenjsc 4462173362Sbenjscstatic void 4463278366Sadrianwpi_nic_config(struct wpi_softc *sc) 4464173362Sbenjsc{ 4465278366Sadrian uint32_t rev; 4466173362Sbenjsc 4467278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4468177043Sthompsa 4469278366Sadrian /* voodoo from the Linux "driver".. */ 4470278366Sadrian rev = pci_read_config(sc->sc_dev, PCIR_REVID, 1); 4471278366Sadrian if ((rev & 0xc0) == 0x40) 4472278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MB); 4473278366Sadrian else if (!(rev & 0x80)) 4474278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MM); 4475173362Sbenjsc 4476278366Sadrian if (sc->cap == 0x80) 4477278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_SKU_MRC); 4478173362Sbenjsc 4479278366Sadrian if ((le16toh(sc->rev) & 0xf0) == 0xd0) 4480278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4481278366Sadrian else 4482278366Sadrian WPI_CLRBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4483278366Sadrian 4484278366Sadrian if (sc->type > 1) 4485278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_TYPE_B); 4486173362Sbenjsc} 4487173362Sbenjsc 4488278366Sadrianstatic int 4489278366Sadrianwpi_hw_init(struct wpi_softc *sc) 4490173362Sbenjsc{ 4491278366Sadrian int chnl, ntries, error; 4492178354Ssam 4493278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4494278366Sadrian 4495278366Sadrian /* Clear pending interrupts. */ 4496278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4497278366Sadrian 4498278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 4499278366Sadrian device_printf(sc->sc_dev, 4500278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 4501278366Sadrian error); 4502278366Sadrian return error; 4503173362Sbenjsc } 4504173362Sbenjsc 4505278366Sadrian /* Select VMAIN power source. */ 4506278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4507278366Sadrian return error; 4508278366Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, WPI_APMG_PS_PWR_SRC_MASK); 4509278366Sadrian wpi_nic_unlock(sc); 4510278366Sadrian /* Spin until VMAIN gets selected. */ 4511278366Sadrian for (ntries = 0; ntries < 5000; ntries++) { 4512278366Sadrian if (WPI_READ(sc, WPI_GPIO_IN) & WPI_GPIO_IN_VMAIN) 4513278366Sadrian break; 4514278366Sadrian DELAY(10); 4515278366Sadrian } 4516278366Sadrian if (ntries == 5000) { 4517278366Sadrian device_printf(sc->sc_dev, "timeout selecting power source\n"); 4518278366Sadrian return ETIMEDOUT; 4519278366Sadrian } 4520173362Sbenjsc 4521278366Sadrian /* Perform adapter initialization. */ 4522278366Sadrian wpi_nic_config(sc); 4523173362Sbenjsc 4524278366Sadrian /* Initialize RX ring. */ 4525278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4526278366Sadrian return error; 4527278366Sadrian /* Set physical address of RX ring. */ 4528278366Sadrian WPI_WRITE(sc, WPI_FH_RX_BASE, sc->rxq.desc_dma.paddr); 4529278366Sadrian /* Set physical address of RX read pointer. */ 4530278366Sadrian WPI_WRITE(sc, WPI_FH_RX_RPTR_ADDR, sc->shared_dma.paddr + 4531278366Sadrian offsetof(struct wpi_shared, next)); 4532278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, 0); 4533278366Sadrian /* Enable RX. */ 4534278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 4535278366Sadrian WPI_FH_RX_CONFIG_DMA_ENA | 4536278366Sadrian WPI_FH_RX_CONFIG_RDRBD_ENA | 4537278366Sadrian WPI_FH_RX_CONFIG_WRSTATUS_ENA | 4538278366Sadrian WPI_FH_RX_CONFIG_MAXFRAG | 4539278366Sadrian WPI_FH_RX_CONFIG_NRBD(WPI_RX_RING_COUNT_LOG) | 4540278366Sadrian WPI_FH_RX_CONFIG_IRQ_DST_HOST | 4541278366Sadrian WPI_FH_RX_CONFIG_IRQ_TIMEOUT(1)); 4542278366Sadrian (void)WPI_READ(sc, WPI_FH_RSSR_TBL); /* barrier */ 4543278366Sadrian wpi_nic_unlock(sc); 4544278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, (WPI_RX_RING_COUNT - 1) & ~7); 4545173362Sbenjsc 4546278366Sadrian /* Initialize TX rings. */ 4547278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4548278366Sadrian return error; 4549278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 2); /* bypass mode */ 4550278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_ARASTAT, 1); /* enable RA0 */ 4551278366Sadrian /* Enable all 6 TX rings. */ 4552278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0x3f); 4553278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE1, 0x10000); 4554278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE2, 0x30002); 4555278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF4MF, 4); 4556278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF5MF, 5); 4557278366Sadrian /* Set physical address of TX rings. */ 4558278366Sadrian WPI_WRITE(sc, WPI_FH_TX_BASE, sc->shared_dma.paddr); 4559278366Sadrian WPI_WRITE(sc, WPI_FH_MSG_CONFIG, 0xffff05a5); 4560278366Sadrian 4561278366Sadrian /* Enable all DMA channels. */ 4562278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 4563278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_CTRL(chnl), 0); 4564278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_BASE(chnl), 0); 4565278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0x80200008); 4566173362Sbenjsc } 4567278366Sadrian wpi_nic_unlock(sc); 4568278366Sadrian (void)WPI_READ(sc, WPI_FH_TX_BASE); /* barrier */ 4569278366Sadrian 4570278366Sadrian /* Clear "radio off" and "commands blocked" bits. */ 4571278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4572278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_CMD_BLOCKED); 4573278366Sadrian 4574278366Sadrian /* Clear pending interrupts. */ 4575278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4576278366Sadrian /* Enable interrupts. */ 4577278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 4578278366Sadrian 4579278366Sadrian /* _Really_ make sure "radio off" bit is cleared! */ 4580278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4581278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4582278366Sadrian 4583278366Sadrian if ((error = wpi_load_firmware(sc)) != 0) { 4584278366Sadrian device_printf(sc->sc_dev, 4585278366Sadrian "%s: could not load firmware, error %d\n", __func__, 4586278366Sadrian error); 4587278366Sadrian return error; 4588278366Sadrian } 4589278366Sadrian /* Wait at most one second for firmware alive notification. */ 4590280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4591278366Sadrian device_printf(sc->sc_dev, 4592278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4593278366Sadrian __func__, error); 4594278366Sadrian return error; 4595278366Sadrian } 4596278366Sadrian 4597278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4598278366Sadrian 4599278366Sadrian /* Do post-firmware initialization. */ 4600278366Sadrian return wpi_post_alive(sc); 4601173362Sbenjsc} 4602173362Sbenjsc 4603173362Sbenjscstatic void 4604278366Sadrianwpi_hw_stop(struct wpi_softc *sc) 4605173362Sbenjsc{ 4606278366Sadrian int chnl, qid, ntries; 4607173362Sbenjsc 4608278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4609173362Sbenjsc 4610278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) 4611278366Sadrian wpi_nic_lock(sc); 4612173362Sbenjsc 4613278366Sadrian WPI_WRITE(sc, WPI_RESET, WPI_RESET_NEVO); 4614173362Sbenjsc 4615278366Sadrian /* Disable interrupts. */ 4616278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 4617278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4618278366Sadrian WPI_WRITE(sc, WPI_FH_INT, 0xffffffff); 4619173362Sbenjsc 4620278366Sadrian /* Make sure we no longer hold the NIC lock. */ 4621278366Sadrian wpi_nic_unlock(sc); 4622173362Sbenjsc 4623278366Sadrian if (wpi_nic_lock(sc) == 0) { 4624278366Sadrian /* Stop TX scheduler. */ 4625278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 0); 4626278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0); 4627179957Sthompsa 4628278366Sadrian /* Stop all DMA channels. */ 4629278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 4630278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0); 4631278366Sadrian for (ntries = 0; ntries < 200; ntries++) { 4632278366Sadrian if (WPI_READ(sc, WPI_FH_TX_STATUS) & 4633278366Sadrian WPI_FH_TX_STATUS_IDLE(chnl)) 4634278366Sadrian break; 4635278366Sadrian DELAY(10); 4636278366Sadrian } 4637173362Sbenjsc } 4638278366Sadrian wpi_nic_unlock(sc); 4639278366Sadrian } 4640173362Sbenjsc 4641278366Sadrian /* Stop RX ring. */ 4642278366Sadrian wpi_reset_rx_ring(sc); 4643173362Sbenjsc 4644278366Sadrian /* Reset all TX rings. */ 4645278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 4646278366Sadrian wpi_reset_tx_ring(sc, &sc->txq[qid]); 4647173362Sbenjsc 4648278366Sadrian if (wpi_nic_lock(sc) == 0) { 4649278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 4650278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT); 4651278366Sadrian wpi_nic_unlock(sc); 4652173362Sbenjsc } 4653278366Sadrian DELAY(5); 4654278366Sadrian /* Power OFF adapter. */ 4655278366Sadrian wpi_apm_stop(sc); 4656173362Sbenjsc} 4657173362Sbenjsc 4658173362Sbenjscstatic void 4659278366Sadrianwpi_radio_on(void *arg0, int pending) 4660173362Sbenjsc{ 4661278366Sadrian struct wpi_softc *sc = arg0; 4662278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4663278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 4664278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4665173362Sbenjsc 4666278366Sadrian device_printf(sc->sc_dev, "RF switch: radio enabled\n"); 4667173362Sbenjsc 4668278366Sadrian if (vap != NULL) { 4669278366Sadrian wpi_init(sc); 4670278366Sadrian ieee80211_init(vap); 4671278366Sadrian } 4672173362Sbenjsc 4673278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL) { 4674278366Sadrian WPI_LOCK(sc); 4675278366Sadrian callout_stop(&sc->watchdog_rfkill); 4676278366Sadrian WPI_UNLOCK(sc); 4677173362Sbenjsc } 4678173362Sbenjsc} 4679173362Sbenjsc 4680278366Sadrianstatic void 4681278366Sadrianwpi_radio_off(void *arg0, int pending) 4682173362Sbenjsc{ 4683278366Sadrian struct wpi_softc *sc = arg0; 4684178354Ssam struct ifnet *ifp = sc->sc_ifp; 4685178354Ssam struct ieee80211com *ic = ifp->if_l2com; 4686278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4687173362Sbenjsc 4688278366Sadrian device_printf(sc->sc_dev, "RF switch: radio disabled\n"); 4689173362Sbenjsc 4690278366Sadrian wpi_stop(sc); 4691278366Sadrian if (vap != NULL) 4692278366Sadrian ieee80211_stop(vap); 4693173362Sbenjsc 4694280053Sadrian WPI_LOCK(sc); 4695278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, sc); 4696280053Sadrian WPI_UNLOCK(sc); 4697278366Sadrian} 4698173362Sbenjsc 4699278366Sadrianstatic void 4700278366Sadrianwpi_init_locked(struct wpi_softc *sc) 4701278366Sadrian{ 4702278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4703278366Sadrian int error; 4704173362Sbenjsc 4705278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4706173362Sbenjsc 4707278366Sadrian WPI_LOCK_ASSERT(sc); 4708278366Sadrian 4709278366Sadrian /* Check that the radio is not disabled by hardware switch. */ 4710278366Sadrian if (!(WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL)) { 4711278366Sadrian device_printf(sc->sc_dev, 4712278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4713278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 4714278366Sadrian sc); 4715278366Sadrian return; 4716173362Sbenjsc } 4717173362Sbenjsc 4718278366Sadrian /* Read firmware images from the filesystem. */ 4719278366Sadrian if ((error = wpi_read_firmware(sc)) != 0) { 4720278366Sadrian device_printf(sc->sc_dev, 4721278366Sadrian "%s: could not read firmware, error %d\n", __func__, 4722278366Sadrian error); 4723278366Sadrian goto fail; 4724278366Sadrian } 4725173362Sbenjsc 4726278366Sadrian /* Initialize hardware and upload firmware. */ 4727278366Sadrian error = wpi_hw_init(sc); 4728278366Sadrian wpi_unload_firmware(sc); 4729278366Sadrian if (error != 0) { 4730278366Sadrian device_printf(sc->sc_dev, 4731278366Sadrian "%s: could not initialize hardware, error %d\n", __func__, 4732278366Sadrian error); 4733278366Sadrian goto fail; 4734278366Sadrian } 4735173362Sbenjsc 4736278366Sadrian /* Configure adapter now that it is ready. */ 4737278366Sadrian if ((error = wpi_config(sc)) != 0) { 4738278366Sadrian device_printf(sc->sc_dev, 4739278366Sadrian "%s: could not configure device, error %d\n", __func__, 4740278366Sadrian error); 4741278366Sadrian goto fail; 4742278366Sadrian } 4743173362Sbenjsc 4744278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 4745278366Sadrian ifp->if_drv_flags |= IFF_DRV_RUNNING; 4746173362Sbenjsc 4747278366Sadrian callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 4748173362Sbenjsc 4749278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4750173362Sbenjsc 4751278366Sadrian return; 4752173362Sbenjsc 4753278366Sadrianfail: wpi_stop_locked(sc); 4754278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 4755278366Sadrian} 4756173362Sbenjsc 4757278366Sadrianstatic void 4758278366Sadrianwpi_init(void *arg) 4759278366Sadrian{ 4760278366Sadrian struct wpi_softc *sc = arg; 4761278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4762278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 4763173362Sbenjsc 4764278366Sadrian WPI_LOCK(sc); 4765278366Sadrian wpi_init_locked(sc); 4766278366Sadrian WPI_UNLOCK(sc); 4767173362Sbenjsc 4768278366Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 4769278366Sadrian ieee80211_start_all(ic); 4770278366Sadrian} 4771173362Sbenjsc 4772278366Sadrianstatic void 4773278366Sadrianwpi_stop_locked(struct wpi_softc *sc) 4774278366Sadrian{ 4775278366Sadrian struct ifnet *ifp = sc->sc_ifp; 4776173362Sbenjsc 4777278366Sadrian WPI_LOCK_ASSERT(sc); 4778278366Sadrian 4779278366Sadrian sc->sc_scan_timer = 0; 4780278366Sadrian sc->sc_tx_timer = 0; 4781278366Sadrian callout_stop(&sc->watchdog_to); 4782278366Sadrian callout_stop(&sc->calib_to); 4783278366Sadrian ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 4784278366Sadrian 4785278366Sadrian /* Power OFF hardware. */ 4786278366Sadrian wpi_hw_stop(sc); 4787173362Sbenjsc} 4788173362Sbenjsc 4789278366Sadrianstatic void 4790278366Sadrianwpi_stop(struct wpi_softc *sc) 4791278366Sadrian{ 4792278366Sadrian WPI_LOCK(sc); 4793278366Sadrian wpi_stop_locked(sc); 4794278366Sadrian WPI_UNLOCK(sc); 4795278366Sadrian} 4796278366Sadrian 4797278366Sadrian/* 4798278366Sadrian * Callback from net80211 to start a scan. 4799173362Sbenjsc */ 4800173362Sbenjscstatic void 4801173362Sbenjscwpi_scan_start(struct ieee80211com *ic) 4802173362Sbenjsc{ 4803173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 4804173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 4805173362Sbenjsc 4806191746Sthompsa WPI_LOCK(sc); 4807191746Sthompsa wpi_set_led(sc, WPI_LED_LINK, 20, 2); 4808191746Sthompsa WPI_UNLOCK(sc); 4809173362Sbenjsc} 4810173362Sbenjsc 4811278366Sadrian/* 4812278366Sadrian * Callback from net80211 to terminate a scan. 4813173362Sbenjsc */ 4814173362Sbenjscstatic void 4815173362Sbenjscwpi_scan_end(struct ieee80211com *ic) 4816173362Sbenjsc{ 4817278366Sadrian struct ifnet *ifp = ic->ic_ifp; 4818278366Sadrian struct wpi_softc *sc = ifp->if_softc; 4819278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4820278366Sadrian 4821278366Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 4822278366Sadrian WPI_LOCK(sc); 4823278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 4824278366Sadrian WPI_UNLOCK(sc); 4825278366Sadrian } 4826173362Sbenjsc} 4827173362Sbenjsc 4828173362Sbenjsc/** 4829173362Sbenjsc * Called by the net80211 framework to indicate to the driver 4830173362Sbenjsc * that the channel should be changed 4831173362Sbenjsc */ 4832173362Sbenjscstatic void 4833173362Sbenjscwpi_set_channel(struct ieee80211com *ic) 4834173362Sbenjsc{ 4835278366Sadrian const struct ieee80211_channel *c = ic->ic_curchan; 4836173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 4837173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 4838191746Sthompsa int error; 4839173362Sbenjsc 4840278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4841278366Sadrian 4842278366Sadrian WPI_LOCK(sc); 4843278366Sadrian sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq); 4844278366Sadrian sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags); 4845278366Sadrian sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq); 4846278366Sadrian sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags); 4847278366Sadrian 4848177043Sthompsa /* 4849177043Sthompsa * Only need to set the channel in Monitor mode. AP scanning and auth 4850177043Sthompsa * are already taken care of by their respective firmware commands. 4851177043Sthompsa */ 4852191746Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 4853278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 4854278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) { 4855278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | 4856278366Sadrian WPI_RXON_24GHZ); 4857278366Sadrian } else { 4858278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_AUTO | 4859278366Sadrian WPI_RXON_24GHZ); 4860278366Sadrian } 4861278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) 4862191746Sthompsa device_printf(sc->sc_dev, 4863278366Sadrian "%s: error %d settting channel\n", __func__, 4864278366Sadrian error); 4865191746Sthompsa } 4866278366Sadrian WPI_UNLOCK(sc); 4867173362Sbenjsc} 4868173362Sbenjsc 4869173362Sbenjsc/** 4870173362Sbenjsc * Called by net80211 to indicate that we need to scan the current 4871173362Sbenjsc * channel. The channel is previously be set via the wpi_set_channel 4872173362Sbenjsc * callback. 4873173362Sbenjsc */ 4874173362Sbenjscstatic void 4875178354Ssamwpi_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 4876173362Sbenjsc{ 4877178354Ssam struct ieee80211vap *vap = ss->ss_vap; 4878278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4879278366Sadrian struct ifnet *ifp = ic->ic_ifp; 4880173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 4881278366Sadrian int error; 4882173362Sbenjsc 4883278366Sadrian if (sc->rxon.chan != ieee80211_chan2ieee(ic, ic->ic_curchan)) { 4884278366Sadrian WPI_LOCK(sc); 4885278366Sadrian error = wpi_scan(sc, ic->ic_curchan); 4886278366Sadrian WPI_UNLOCK(sc); 4887278366Sadrian if (error != 0) 4888278366Sadrian ieee80211_cancel_scan(vap); 4889278366Sadrian } else { 4890278366Sadrian /* Send probe request when associated. */ 4891278366Sadrian sc->sc_scan_curchan(ss, maxdwell); 4892278366Sadrian } 4893173362Sbenjsc} 4894173362Sbenjsc 4895173362Sbenjsc/** 4896173362Sbenjsc * Called by the net80211 framework to indicate 4897173362Sbenjsc * the minimum dwell time has been met, terminate the scan. 4898173362Sbenjsc * We don't actually terminate the scan as the firmware will notify 4899173362Sbenjsc * us when it's finished and we have no way to interrupt it. 4900173362Sbenjsc */ 4901173362Sbenjscstatic void 4902178354Ssamwpi_scan_mindwell(struct ieee80211_scan_state *ss) 4903173362Sbenjsc{ 4904173362Sbenjsc /* NB: don't try to abort scan; wait for firmware to finish */ 4905173362Sbenjsc} 4906173362Sbenjsc 4907173362Sbenjscstatic void 4908278366Sadrianwpi_hw_reset(void *arg, int pending) 4909173362Sbenjsc{ 4910191746Sthompsa struct wpi_softc *sc = arg; 4911177043Sthompsa struct ifnet *ifp = sc->sc_ifp; 4912191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 4913278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4914173362Sbenjsc 4915278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4916173362Sbenjsc 4917278366Sadrian wpi_stop(sc); 4918278366Sadrian if (vap != NULL) 4919278366Sadrian ieee80211_stop(vap); 4920278366Sadrian wpi_init(sc); 4921278366Sadrian if (vap != NULL) 4922278366Sadrian ieee80211_init(vap); 4923173362Sbenjsc} 4924