1173362Sbenjsc/*- 2173362Sbenjsc * Copyright (c) 2006,2007 3173362Sbenjsc * Damien Bergamini <damien.bergamini@free.fr> 4173362Sbenjsc * Benjamin Close <Benjamin.Close@clearchain.com> 5292176Savos * Copyright (c) 2015 Andriy Voskoboinyk <avos@FreeBSD.org> 6173362Sbenjsc * 7173362Sbenjsc * Permission to use, copy, modify, and distribute this software for any 8173362Sbenjsc * purpose with or without fee is hereby granted, provided that the above 9173362Sbenjsc * copyright notice and this permission notice appear in all copies. 10173362Sbenjsc * 11173362Sbenjsc * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12173362Sbenjsc * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13173362Sbenjsc * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14173362Sbenjsc * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15173362Sbenjsc * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16173362Sbenjsc * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17173362Sbenjsc * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18173362Sbenjsc */ 19173362Sbenjsc 20173362Sbenjsc#include <sys/cdefs.h> 21173362Sbenjsc__FBSDID("$FreeBSD$"); 22173362Sbenjsc 23173362Sbenjsc/* 24173362Sbenjsc * Driver for Intel PRO/Wireless 3945ABG 802.11 network adapters. 25173362Sbenjsc * 26173362Sbenjsc * The 3945ABG network adapter doesn't use traditional hardware as 27173362Sbenjsc * many other adaptors do. Instead at run time the eeprom is set into a known 28173362Sbenjsc * state and told to load boot firmware. The boot firmware loads an init and a 29173362Sbenjsc * main binary firmware image into SRAM on the card via DMA. 30173362Sbenjsc * Once the firmware is loaded, the driver/hw then 31218909Sbrucec * communicate by way of circular dma rings via the SRAM to the firmware. 32173362Sbenjsc * 33173362Sbenjsc * There is 6 memory rings. 1 command ring, 1 rx data ring & 4 tx data rings. 34173362Sbenjsc * The 4 tx data rings allow for prioritization QoS. 35173362Sbenjsc * 36173362Sbenjsc * The rx data ring consists of 32 dma buffers. Two registers are used to 37173362Sbenjsc * indicate where in the ring the driver and the firmware are up to. The 38173362Sbenjsc * driver sets the initial read index (reg1) and the initial write index (reg2), 39173362Sbenjsc * the firmware updates the read index (reg1) on rx of a packet and fires an 40173362Sbenjsc * interrupt. The driver then processes the buffers starting at reg1 indicating 41173362Sbenjsc * to the firmware which buffers have been accessed by updating reg2. At the 42173362Sbenjsc * same time allocating new memory for the processed buffer. 43173362Sbenjsc * 44173362Sbenjsc * A similar thing happens with the tx rings. The difference is the firmware 45173362Sbenjsc * stop processing buffers once the queue is full and until confirmation 46278764Sadrian * of a successful transmition (tx_done) has occurred. 47173362Sbenjsc * 48173362Sbenjsc * The command ring operates in the same manner as the tx queues. 49173362Sbenjsc * 50173362Sbenjsc * All communication direct to the card (ie eeprom) is classed as Stage1 51173362Sbenjsc * communication 52173362Sbenjsc * 53173362Sbenjsc * All communication via the firmware to the card is classed as State2. 54173362Sbenjsc * The firmware consists of 2 parts. A bootstrap firmware and a runtime 55173362Sbenjsc * firmware. The bootstrap firmware and runtime firmware are loaded 56173362Sbenjsc * from host memory via dma to the card then told to execute. From this point 57173362Sbenjsc * on the majority of communications between the driver and the card goes 58173362Sbenjsc * via the firmware. 59173362Sbenjsc */ 60173362Sbenjsc 61236381Sadrian#include "opt_wlan.h" 62278366Sadrian#include "opt_wpi.h" 63236381Sadrian 64173362Sbenjsc#include <sys/param.h> 65173362Sbenjsc#include <sys/sysctl.h> 66173362Sbenjsc#include <sys/sockio.h> 67173362Sbenjsc#include <sys/mbuf.h> 68173362Sbenjsc#include <sys/kernel.h> 69173362Sbenjsc#include <sys/socket.h> 70173362Sbenjsc#include <sys/systm.h> 71173362Sbenjsc#include <sys/malloc.h> 72173362Sbenjsc#include <sys/queue.h> 73173362Sbenjsc#include <sys/taskqueue.h> 74173362Sbenjsc#include <sys/module.h> 75173362Sbenjsc#include <sys/bus.h> 76173362Sbenjsc#include <sys/endian.h> 77173362Sbenjsc#include <sys/linker.h> 78173362Sbenjsc#include <sys/firmware.h> 79173362Sbenjsc 80173362Sbenjsc#include <machine/bus.h> 81173362Sbenjsc#include <machine/resource.h> 82173362Sbenjsc#include <sys/rman.h> 83173362Sbenjsc 84173362Sbenjsc#include <dev/pci/pcireg.h> 85173362Sbenjsc#include <dev/pci/pcivar.h> 86173362Sbenjsc 87173362Sbenjsc#include <net/bpf.h> 88173362Sbenjsc#include <net/if.h> 89257176Sglebius#include <net/if_var.h> 90173362Sbenjsc#include <net/if_arp.h> 91173362Sbenjsc#include <net/ethernet.h> 92173362Sbenjsc#include <net/if_dl.h> 93173362Sbenjsc#include <net/if_media.h> 94173362Sbenjsc#include <net/if_types.h> 95173362Sbenjsc 96278366Sadrian#include <netinet/in.h> 97278366Sadrian#include <netinet/in_systm.h> 98278366Sadrian#include <netinet/in_var.h> 99278366Sadrian#include <netinet/if_ether.h> 100278366Sadrian#include <netinet/ip.h> 101278366Sadrian 102173362Sbenjsc#include <net80211/ieee80211_var.h> 103173362Sbenjsc#include <net80211/ieee80211_radiotap.h> 104173362Sbenjsc#include <net80211/ieee80211_regdomain.h> 105206358Srpaulo#include <net80211/ieee80211_ratectl.h> 106173362Sbenjsc 107173362Sbenjsc#include <dev/wpi/if_wpireg.h> 108173362Sbenjsc#include <dev/wpi/if_wpivar.h> 109278366Sadrian#include <dev/wpi/if_wpi_debug.h> 110173362Sbenjsc 111173362Sbenjscstruct wpi_ident { 112173362Sbenjsc uint16_t vendor; 113173362Sbenjsc uint16_t device; 114173362Sbenjsc uint16_t subdevice; 115173362Sbenjsc const char *name; 116173362Sbenjsc}; 117173362Sbenjsc 118173362Sbenjscstatic const struct wpi_ident wpi_ident_table[] = { 119173362Sbenjsc /* The below entries support ABG regardless of the subid */ 120173362Sbenjsc { 0x8086, 0x4222, 0x0, "Intel(R) PRO/Wireless 3945ABG" }, 121173362Sbenjsc { 0x8086, 0x4227, 0x0, "Intel(R) PRO/Wireless 3945ABG" }, 122173362Sbenjsc /* The below entries only support BG */ 123182127Sbenjsc { 0x8086, 0x4222, 0x1005, "Intel(R) PRO/Wireless 3945BG" }, 124182127Sbenjsc { 0x8086, 0x4222, 0x1034, "Intel(R) PRO/Wireless 3945BG" }, 125182127Sbenjsc { 0x8086, 0x4227, 0x1014, "Intel(R) PRO/Wireless 3945BG" }, 126182127Sbenjsc { 0x8086, 0x4222, 0x1044, "Intel(R) PRO/Wireless 3945BG" }, 127173362Sbenjsc { 0, 0, 0, NULL } 128173362Sbenjsc}; 129173362Sbenjsc 130278366Sadrianstatic int wpi_probe(device_t); 131278366Sadrianstatic int wpi_attach(device_t); 132278366Sadrianstatic void wpi_radiotap_attach(struct wpi_softc *); 133278366Sadrianstatic void wpi_sysctlattach(struct wpi_softc *); 134280083Sadrianstatic void wpi_init_beacon(struct wpi_vap *); 135178354Ssamstatic struct ieee80211vap *wpi_vap_create(struct ieee80211com *, 136228621Sbschmidt const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 137228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN], 138228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN]); 139178354Ssamstatic void wpi_vap_delete(struct ieee80211vap *); 140278366Sadrianstatic int wpi_detach(device_t); 141278366Sadrianstatic int wpi_shutdown(device_t); 142278366Sadrianstatic int wpi_suspend(device_t); 143278366Sadrianstatic int wpi_resume(device_t); 144278366Sadrianstatic int wpi_nic_lock(struct wpi_softc *); 145278366Sadrianstatic int wpi_read_prom_data(struct wpi_softc *, uint32_t, void *, int); 146278366Sadrianstatic void wpi_dma_map_addr(void *, bus_dma_segment_t *, int, int); 147173362Sbenjscstatic int wpi_dma_contig_alloc(struct wpi_softc *, struct wpi_dma_info *, 148278366Sadrian void **, bus_size_t, bus_size_t); 149173362Sbenjscstatic void wpi_dma_contig_free(struct wpi_dma_info *); 150173362Sbenjscstatic int wpi_alloc_shared(struct wpi_softc *); 151173362Sbenjscstatic void wpi_free_shared(struct wpi_softc *); 152278366Sadrianstatic int wpi_alloc_fwmem(struct wpi_softc *); 153278366Sadrianstatic void wpi_free_fwmem(struct wpi_softc *); 154278366Sadrianstatic int wpi_alloc_rx_ring(struct wpi_softc *); 155278366Sadrianstatic void wpi_update_rx_ring(struct wpi_softc *); 156282400Sadrianstatic void wpi_update_rx_ring_ps(struct wpi_softc *); 157278366Sadrianstatic void wpi_reset_rx_ring(struct wpi_softc *); 158278366Sadrianstatic void wpi_free_rx_ring(struct wpi_softc *); 159173362Sbenjscstatic int wpi_alloc_tx_ring(struct wpi_softc *, struct wpi_tx_ring *, 160289124Sadrian uint8_t); 161278366Sadrianstatic void wpi_update_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 162282400Sadrianstatic void wpi_update_tx_ring_ps(struct wpi_softc *, 163282400Sadrian struct wpi_tx_ring *); 164173362Sbenjscstatic void wpi_reset_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 165173362Sbenjscstatic void wpi_free_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 166278366Sadrianstatic int wpi_read_eeprom(struct wpi_softc *, 167278366Sadrian uint8_t macaddr[IEEE80211_ADDR_LEN]); 168278366Sadrianstatic uint32_t wpi_eeprom_channel_flags(struct wpi_eeprom_chan *); 169293716Savosstatic void wpi_read_eeprom_band(struct wpi_softc *, uint8_t, int, int *, 170293716Savos struct ieee80211_channel[]); 171289124Sadrianstatic int wpi_read_eeprom_channels(struct wpi_softc *, uint8_t); 172278366Sadrianstatic struct wpi_eeprom_chan *wpi_find_eeprom_channel(struct wpi_softc *, 173278366Sadrian struct ieee80211_channel *); 174293716Savosstatic void wpi_getradiocaps(struct ieee80211com *, int, int *, 175293716Savos struct ieee80211_channel[]); 176278366Sadrianstatic int wpi_setregdomain(struct ieee80211com *, 177278366Sadrian struct ieee80211_regdomain *, int, 178278366Sadrian struct ieee80211_channel[]); 179289124Sadrianstatic int wpi_read_eeprom_group(struct wpi_softc *, uint8_t); 180278366Sadrianstatic struct ieee80211_node *wpi_node_alloc(struct ieee80211vap *, 181278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 182282401Sadrianstatic void wpi_node_free(struct ieee80211_node *); 183289125Sadrianstatic void wpi_ibss_recv_mgmt(struct ieee80211_node *, struct mbuf *, int, 184283536Sadrian const struct ieee80211_rx_stats *, 185283536Sadrian int, int); 186282401Sadrianstatic void wpi_restore_node(void *, struct ieee80211_node *); 187282401Sadrianstatic void wpi_restore_node_table(struct wpi_softc *, struct wpi_vap *); 188178354Ssamstatic int wpi_newstate(struct ieee80211vap *, enum ieee80211_state, int); 189278366Sadrianstatic void wpi_calib_timeout(void *); 190278366Sadrianstatic void wpi_rx_done(struct wpi_softc *, struct wpi_rx_desc *, 191173362Sbenjsc struct wpi_rx_data *); 192278366Sadrianstatic void wpi_rx_statistics(struct wpi_softc *, struct wpi_rx_desc *, 193278366Sadrian struct wpi_rx_data *); 194278366Sadrianstatic void wpi_tx_done(struct wpi_softc *, struct wpi_rx_desc *); 195278366Sadrianstatic void wpi_cmd_done(struct wpi_softc *, struct wpi_rx_desc *); 196173362Sbenjscstatic void wpi_notif_intr(struct wpi_softc *); 197278366Sadrianstatic void wpi_wakeup_intr(struct wpi_softc *); 198280093Sadrian#ifdef WPI_DEBUG 199280093Sadrianstatic void wpi_debug_registers(struct wpi_softc *); 200280093Sadrian#endif 201278366Sadrianstatic void wpi_fatal_intr(struct wpi_softc *); 202173362Sbenjscstatic void wpi_intr(void *); 203289163Sadrianstatic void wpi_free_txfrags(struct wpi_softc *, uint16_t); 204278366Sadrianstatic int wpi_cmd2(struct wpi_softc *, struct wpi_buf *); 205173362Sbenjscstatic int wpi_tx_data(struct wpi_softc *, struct mbuf *, 206278366Sadrian struct ieee80211_node *); 207278366Sadrianstatic int wpi_tx_data_raw(struct wpi_softc *, struct mbuf *, 208278366Sadrian struct ieee80211_node *, 209278366Sadrian const struct ieee80211_bpf_params *); 210278366Sadrianstatic int wpi_raw_xmit(struct ieee80211_node *, struct mbuf *, 211278366Sadrian const struct ieee80211_bpf_params *); 212287197Sglebiusstatic int wpi_transmit(struct ieee80211com *, struct mbuf *); 213278366Sadrianstatic void wpi_watchdog_rfkill(void *); 214280106Sadrianstatic void wpi_scan_timeout(void *); 215280109Sadrianstatic void wpi_tx_timeout(void *); 216287197Sglebiusstatic void wpi_parent(struct ieee80211com *); 217289124Sadrianstatic int wpi_cmd(struct wpi_softc *, uint8_t, const void *, uint16_t, 218289124Sadrian int); 219173362Sbenjscstatic int wpi_mrr_setup(struct wpi_softc *); 220278366Sadrianstatic int wpi_add_node(struct wpi_softc *, struct ieee80211_node *); 221278366Sadrianstatic int wpi_add_broadcast_node(struct wpi_softc *, int); 222278366Sadrianstatic int wpi_add_ibss_node(struct wpi_softc *, struct ieee80211_node *); 223278366Sadrianstatic void wpi_del_node(struct wpi_softc *, struct ieee80211_node *); 224278366Sadrianstatic int wpi_updateedca(struct ieee80211com *); 225278366Sadrianstatic void wpi_set_promisc(struct wpi_softc *); 226283540Sglebiusstatic void wpi_update_promisc(struct ieee80211com *); 227283540Sglebiusstatic void wpi_update_mcast(struct ieee80211com *); 228173362Sbenjscstatic void wpi_set_led(struct wpi_softc *, uint8_t, uint8_t, uint8_t); 229278366Sadrianstatic int wpi_set_timing(struct wpi_softc *, struct ieee80211_node *); 230278366Sadrianstatic void wpi_power_calibration(struct wpi_softc *); 231278366Sadrianstatic int wpi_set_txpower(struct wpi_softc *, int); 232278366Sadrianstatic int wpi_get_power_index(struct wpi_softc *, 233281287Sadrian struct wpi_power_group *, uint8_t, int, int); 234278366Sadrianstatic int wpi_set_pslevel(struct wpi_softc *, uint8_t, int, int); 235278366Sadrianstatic int wpi_send_btcoex(struct wpi_softc *); 236278366Sadrianstatic int wpi_send_rxon(struct wpi_softc *, int, int); 237278366Sadrianstatic int wpi_config(struct wpi_softc *); 238278366Sadrianstatic uint16_t wpi_get_active_dwell_time(struct wpi_softc *, 239278366Sadrian struct ieee80211_channel *, uint8_t); 240278366Sadrianstatic uint16_t wpi_limit_dwell(struct wpi_softc *, uint16_t); 241278366Sadrianstatic uint16_t wpi_get_passive_dwell_time(struct wpi_softc *, 242278366Sadrian struct ieee80211_channel *); 243282383Sadrianstatic uint32_t wpi_get_scan_pause_time(uint32_t, uint16_t); 244278366Sadrianstatic int wpi_scan(struct wpi_softc *, struct ieee80211_channel *); 245278366Sadrianstatic int wpi_auth(struct wpi_softc *, struct ieee80211vap *); 246280084Sadrianstatic int wpi_config_beacon(struct wpi_vap *); 247280084Sadrianstatic int wpi_setup_beacon(struct wpi_softc *, struct ieee80211_node *); 248278366Sadrianstatic void wpi_update_beacon(struct ieee80211vap *, int); 249280079Sadrianstatic void wpi_newassoc(struct ieee80211_node *, int); 250178354Ssamstatic int wpi_run(struct wpi_softc *, struct ieee80211vap *); 251280088Sadrianstatic int wpi_load_key(struct ieee80211_node *, 252280088Sadrian const struct ieee80211_key *); 253280088Sadrianstatic void wpi_load_key_cb(void *, struct ieee80211_node *); 254280088Sadrianstatic int wpi_set_global_keys(struct ieee80211_node *); 255280088Sadrianstatic int wpi_del_key(struct ieee80211_node *, 256280088Sadrian const struct ieee80211_key *); 257280088Sadrianstatic void wpi_del_key_cb(void *, struct ieee80211_node *); 258280088Sadrianstatic int wpi_process_key(struct ieee80211vap *, 259280088Sadrian const struct ieee80211_key *, int); 260278366Sadrianstatic int wpi_key_set(struct ieee80211vap *, 261288635Sadrian const struct ieee80211_key *); 262278366Sadrianstatic int wpi_key_delete(struct ieee80211vap *, 263278366Sadrian const struct ieee80211_key *); 264278366Sadrianstatic int wpi_post_alive(struct wpi_softc *); 265289124Sadrianstatic int wpi_load_bootcode(struct wpi_softc *, const uint8_t *, 266289124Sadrian uint32_t); 267278366Sadrianstatic int wpi_load_firmware(struct wpi_softc *); 268278366Sadrianstatic int wpi_read_firmware(struct wpi_softc *); 269278366Sadrianstatic void wpi_unload_firmware(struct wpi_softc *); 270278366Sadrianstatic int wpi_clock_wait(struct wpi_softc *); 271278366Sadrianstatic int wpi_apm_init(struct wpi_softc *); 272278366Sadrianstatic void wpi_apm_stop_master(struct wpi_softc *); 273278366Sadrianstatic void wpi_apm_stop(struct wpi_softc *); 274278366Sadrianstatic void wpi_nic_config(struct wpi_softc *); 275278366Sadrianstatic int wpi_hw_init(struct wpi_softc *); 276278366Sadrianstatic void wpi_hw_stop(struct wpi_softc *); 277278366Sadrianstatic void wpi_radio_on(void *, int); 278278366Sadrianstatic void wpi_radio_off(void *, int); 279287197Sglebiusstatic int wpi_init(struct wpi_softc *); 280278366Sadrianstatic void wpi_stop_locked(struct wpi_softc *); 281173362Sbenjscstatic void wpi_stop(struct wpi_softc *); 282278366Sadrianstatic void wpi_scan_start(struct ieee80211com *); 283278366Sadrianstatic void wpi_scan_end(struct ieee80211com *); 284278366Sadrianstatic void wpi_set_channel(struct ieee80211com *); 285278366Sadrianstatic void wpi_scan_curchan(struct ieee80211_scan_state *, unsigned long); 286278366Sadrianstatic void wpi_scan_mindwell(struct ieee80211_scan_state *); 287173362Sbenjsc 288173362Sbenjscstatic device_method_t wpi_methods[] = { 289173362Sbenjsc /* Device interface */ 290173362Sbenjsc DEVMETHOD(device_probe, wpi_probe), 291173362Sbenjsc DEVMETHOD(device_attach, wpi_attach), 292173362Sbenjsc DEVMETHOD(device_detach, wpi_detach), 293173362Sbenjsc DEVMETHOD(device_shutdown, wpi_shutdown), 294173362Sbenjsc DEVMETHOD(device_suspend, wpi_suspend), 295173362Sbenjsc DEVMETHOD(device_resume, wpi_resume), 296173362Sbenjsc 297260064Smarius DEVMETHOD_END 298173362Sbenjsc}; 299173362Sbenjsc 300173362Sbenjscstatic driver_t wpi_driver = { 301173362Sbenjsc "wpi", 302173362Sbenjsc wpi_methods, 303173362Sbenjsc sizeof (struct wpi_softc) 304173362Sbenjsc}; 305173362Sbenjscstatic devclass_t wpi_devclass; 306173362Sbenjsc 307260064SmariusDRIVER_MODULE(wpi, pci, wpi_driver, wpi_devclass, NULL, NULL); 308173362Sbenjsc 309222543SbschmidtMODULE_VERSION(wpi, 1); 310222543Sbschmidt 311278366SadrianMODULE_DEPEND(wpi, pci, 1, 1, 1); 312278366SadrianMODULE_DEPEND(wpi, wlan, 1, 1, 1); 313278366SadrianMODULE_DEPEND(wpi, firmware, 1, 1, 1); 314260064Smarius 315173362Sbenjscstatic int 316173362Sbenjscwpi_probe(device_t dev) 317173362Sbenjsc{ 318173362Sbenjsc const struct wpi_ident *ident; 319173362Sbenjsc 320173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 321173362Sbenjsc if (pci_get_vendor(dev) == ident->vendor && 322173362Sbenjsc pci_get_device(dev) == ident->device) { 323173362Sbenjsc device_set_desc(dev, ident->name); 324260064Smarius return (BUS_PROBE_DEFAULT); 325173362Sbenjsc } 326173362Sbenjsc } 327173362Sbenjsc return ENXIO; 328173362Sbenjsc} 329173362Sbenjsc 330173362Sbenjscstatic int 331173362Sbenjscwpi_attach(device_t dev) 332173362Sbenjsc{ 333278366Sadrian struct wpi_softc *sc = (struct wpi_softc *)device_get_softc(dev); 334278366Sadrian struct ieee80211com *ic; 335289124Sadrian uint8_t i; 336289124Sadrian int error, rid; 337280061Sadrian#ifdef WPI_DEBUG 338280061Sadrian int supportsa = 1; 339173362Sbenjsc const struct wpi_ident *ident; 340280061Sadrian#endif 341173362Sbenjsc 342173362Sbenjsc sc->sc_dev = dev; 343173362Sbenjsc 344280059Sadrian#ifdef WPI_DEBUG 345278366Sadrian error = resource_int_value(device_get_name(sc->sc_dev), 346278366Sadrian device_get_unit(sc->sc_dev), "debug", &(sc->sc_debug)); 347278366Sadrian if (error != 0) 348278366Sadrian sc->sc_debug = 0; 349278366Sadrian#else 350278366Sadrian sc->sc_debug = 0; 351278366Sadrian#endif 352173362Sbenjsc 353278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 354278366Sadrian 355173362Sbenjsc /* 356278366Sadrian * Get the offset of the PCI Express Capability Structure in PCI 357278366Sadrian * Configuration Space. 358278366Sadrian */ 359278366Sadrian error = pci_find_cap(dev, PCIY_EXPRESS, &sc->sc_cap_off); 360278366Sadrian if (error != 0) { 361278366Sadrian device_printf(dev, "PCIe capability structure not found!\n"); 362278366Sadrian return error; 363278366Sadrian } 364278366Sadrian 365278366Sadrian /* 366173362Sbenjsc * Some card's only support 802.11b/g not a, check to see if 367173362Sbenjsc * this is one such card. A 0x0 in the subdevice table indicates 368173362Sbenjsc * the entire subdevice range is to be ignored. 369173362Sbenjsc */ 370280061Sadrian#ifdef WPI_DEBUG 371173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 372173362Sbenjsc if (ident->subdevice && 373173362Sbenjsc pci_get_subdevice(dev) == ident->subdevice) { 374173362Sbenjsc supportsa = 0; 375173362Sbenjsc break; 376173362Sbenjsc } 377173362Sbenjsc } 378280061Sadrian#endif 379173362Sbenjsc 380278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 381173362Sbenjsc pci_write_config(dev, 0x41, 0, 1); 382173362Sbenjsc 383278366Sadrian /* Enable bus-mastering. */ 384173362Sbenjsc pci_enable_busmaster(dev); 385173362Sbenjsc 386260064Smarius rid = PCIR_BAR(0); 387260064Smarius sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 388173362Sbenjsc RF_ACTIVE); 389173362Sbenjsc if (sc->mem == NULL) { 390278366Sadrian device_printf(dev, "can't map mem space\n"); 391280091Sadrian return ENOMEM; 392173362Sbenjsc } 393173362Sbenjsc sc->sc_st = rman_get_bustag(sc->mem); 394173362Sbenjsc sc->sc_sh = rman_get_bushandle(sc->mem); 395173362Sbenjsc 396289124Sadrian rid = 1; 397289124Sadrian if (pci_alloc_msi(dev, &rid) == 0) 398278366Sadrian rid = 1; 399289124Sadrian else 400289124Sadrian rid = 0; 401278366Sadrian /* Install interrupt handler. */ 402278366Sadrian sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | 403278366Sadrian (rid != 0 ? 0 : RF_SHAREABLE)); 404173362Sbenjsc if (sc->irq == NULL) { 405278366Sadrian device_printf(dev, "can't map interrupt\n"); 406173362Sbenjsc error = ENOMEM; 407173362Sbenjsc goto fail; 408173362Sbenjsc } 409173362Sbenjsc 410278366Sadrian WPI_LOCK_INIT(sc); 411280113Sadrian WPI_TX_LOCK_INIT(sc); 412280108Sadrian WPI_RXON_LOCK_INIT(sc); 413280077Sadrian WPI_NT_LOCK_INIT(sc); 414280071Sadrian WPI_TXQ_LOCK_INIT(sc); 415280112Sadrian WPI_TXQ_STATE_LOCK_INIT(sc); 416278366Sadrian 417278366Sadrian /* Allocate DMA memory for firmware transfers. */ 418173362Sbenjsc if ((error = wpi_alloc_fwmem(sc)) != 0) { 419278366Sadrian device_printf(dev, 420278366Sadrian "could not allocate memory for firmware, error %d\n", 421278366Sadrian error); 422173362Sbenjsc goto fail; 423173362Sbenjsc } 424173362Sbenjsc 425278366Sadrian /* Allocate shared page. */ 426173362Sbenjsc if ((error = wpi_alloc_shared(sc)) != 0) { 427173362Sbenjsc device_printf(dev, "could not allocate shared page\n"); 428173362Sbenjsc goto fail; 429173362Sbenjsc } 430173362Sbenjsc 431278366Sadrian /* Allocate TX rings - 4 for QoS purposes, 1 for commands. */ 432289126Sadrian for (i = 0; i < WPI_DRV_NTXQUEUES; i++) { 433278366Sadrian if ((error = wpi_alloc_tx_ring(sc, &sc->txq[i], i)) != 0) { 434278366Sadrian device_printf(dev, 435278366Sadrian "could not allocate TX ring %d, error %d\n", i, 436278366Sadrian error); 437278366Sadrian goto fail; 438173362Sbenjsc } 439173362Sbenjsc } 440173362Sbenjsc 441278366Sadrian /* Allocate RX ring. */ 442278366Sadrian if ((error = wpi_alloc_rx_ring(sc)) != 0) { 443278366Sadrian device_printf(dev, "could not allocate RX ring, error %d\n", 444278366Sadrian error); 445173362Sbenjsc goto fail; 446173362Sbenjsc } 447173362Sbenjsc 448278366Sadrian /* Clear pending interrupts. */ 449278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 450173362Sbenjsc 451287197Sglebius ic = &sc->sc_ic; 452283537Sglebius ic->ic_softc = sc; 453283527Sglebius ic->ic_name = device_get_nameunit(dev); 454178354Ssam ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 455178354Ssam ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 456173362Sbenjsc 457278366Sadrian /* Set device capabilities. */ 458173362Sbenjsc ic->ic_caps = 459178957Ssam IEEE80211_C_STA /* station mode supported */ 460278366Sadrian | IEEE80211_C_IBSS /* IBSS mode supported */ 461280105Sadrian | IEEE80211_C_HOSTAP /* Host access point mode */ 462178957Ssam | IEEE80211_C_MONITOR /* monitor mode supported */ 463278366Sadrian | IEEE80211_C_AHDEMO /* adhoc demo mode */ 464278366Sadrian | IEEE80211_C_BGSCAN /* capable of bg scanning */ 465289163Sadrian | IEEE80211_C_TXFRAG /* handle tx frags */ 466173362Sbenjsc | IEEE80211_C_TXPMGT /* tx power management */ 467173362Sbenjsc | IEEE80211_C_SHSLOT /* short slot time supported */ 468278366Sadrian | IEEE80211_C_WPA /* 802.11i */ 469173362Sbenjsc | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 470278366Sadrian | IEEE80211_C_WME /* 802.11e */ 471278366Sadrian | IEEE80211_C_PMGT /* Station-side power mgmt */ 472173362Sbenjsc ; 473173362Sbenjsc 474278366Sadrian ic->ic_cryptocaps = 475278366Sadrian IEEE80211_CRYPTO_AES_CCM; 476278366Sadrian 477173362Sbenjsc /* 478173362Sbenjsc * Read in the eeprom and also setup the channels for 479173362Sbenjsc * net80211. We don't set the rates as net80211 does this for us 480173362Sbenjsc */ 481287197Sglebius if ((error = wpi_read_eeprom(sc, ic->ic_macaddr)) != 0) { 482278366Sadrian device_printf(dev, "could not read EEPROM, error %d\n", 483278366Sadrian error); 484278366Sadrian goto fail; 485280059Sadrian } 486173362Sbenjsc 487280059Sadrian#ifdef WPI_DEBUG 488278366Sadrian if (bootverbose) { 489280059Sadrian device_printf(sc->sc_dev, "Regulatory Domain: %.4s\n", 490280059Sadrian sc->domain); 491280059Sadrian device_printf(sc->sc_dev, "Hardware Type: %c\n", 492280059Sadrian sc->type > 1 ? 'B': '?'); 493280059Sadrian device_printf(sc->sc_dev, "Hardware Revision: %c\n", 494280076Sadrian ((sc->rev & 0xf0) == 0xd0) ? 'D': '?'); 495280059Sadrian device_printf(sc->sc_dev, "SKU %s support 802.11a\n", 496280059Sadrian supportsa ? "does" : "does not"); 497173362Sbenjsc 498280059Sadrian /* XXX hw_config uses the PCIDEV for the Hardware rev. Must 499280059Sadrian check what sc->rev really represents - benjsc 20070615 */ 500173362Sbenjsc } 501278366Sadrian#endif 502173362Sbenjsc 503287197Sglebius ieee80211_ifattach(ic); 504278366Sadrian ic->ic_vap_create = wpi_vap_create; 505278366Sadrian ic->ic_vap_delete = wpi_vap_delete; 506287197Sglebius ic->ic_parent = wpi_parent; 507178354Ssam ic->ic_raw_xmit = wpi_raw_xmit; 508287197Sglebius ic->ic_transmit = wpi_transmit; 509278366Sadrian ic->ic_node_alloc = wpi_node_alloc; 510278366Sadrian sc->sc_node_free = ic->ic_node_free; 511278366Sadrian ic->ic_node_free = wpi_node_free; 512278366Sadrian ic->ic_wme.wme_update = wpi_updateedca; 513278366Sadrian ic->ic_update_promisc = wpi_update_promisc; 514278366Sadrian ic->ic_update_mcast = wpi_update_mcast; 515280079Sadrian ic->ic_newassoc = wpi_newassoc; 516173362Sbenjsc ic->ic_scan_start = wpi_scan_start; 517173362Sbenjsc ic->ic_scan_end = wpi_scan_end; 518173362Sbenjsc ic->ic_set_channel = wpi_set_channel; 519173362Sbenjsc ic->ic_scan_curchan = wpi_scan_curchan; 520173362Sbenjsc ic->ic_scan_mindwell = wpi_scan_mindwell; 521293716Savos ic->ic_getradiocaps = wpi_getradiocaps; 522278366Sadrian ic->ic_setregdomain = wpi_setregdomain; 523173362Sbenjsc 524282400Sadrian sc->sc_update_rx_ring = wpi_update_rx_ring; 525282400Sadrian sc->sc_update_tx_ring = wpi_update_tx_ring; 526282400Sadrian 527278366Sadrian wpi_radiotap_attach(sc); 528173362Sbenjsc 529280108Sadrian callout_init_mtx(&sc->calib_to, &sc->rxon_mtx, 0); 530280108Sadrian callout_init_mtx(&sc->scan_timeout, &sc->rxon_mtx, 0); 531280112Sadrian callout_init_mtx(&sc->tx_timeout, &sc->txq_state_mtx, 0); 532278366Sadrian callout_init_mtx(&sc->watchdog_rfkill, &sc->sc_mtx, 0); 533278366Sadrian TASK_INIT(&sc->sc_radiooff_task, 0, wpi_radio_off, sc); 534278366Sadrian TASK_INIT(&sc->sc_radioon_task, 0, wpi_radio_on, sc); 535173362Sbenjsc 536278366Sadrian wpi_sysctlattach(sc); 537278366Sadrian 538173362Sbenjsc /* 539173362Sbenjsc * Hook our interrupt after all initialization is complete. 540173362Sbenjsc */ 541278366Sadrian error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 542177043Sthompsa NULL, wpi_intr, sc, &sc->sc_ih); 543173362Sbenjsc if (error != 0) { 544278366Sadrian device_printf(dev, "can't establish interrupt, error %d\n", 545278366Sadrian error); 546173362Sbenjsc goto fail; 547173362Sbenjsc } 548173362Sbenjsc 549177043Sthompsa if (bootverbose) 550177043Sthompsa ieee80211_announce(ic); 551278366Sadrian 552278366Sadrian#ifdef WPI_DEBUG 553278366Sadrian if (sc->sc_debug & WPI_DEBUG_HW) 554278366Sadrian ieee80211_announce_channels(ic); 555173362Sbenjsc#endif 556278366Sadrian 557278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 558173362Sbenjsc return 0; 559173362Sbenjsc 560173362Sbenjscfail: wpi_detach(dev); 561278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 562278366Sadrian return error; 563173362Sbenjsc} 564173362Sbenjsc 565278366Sadrian/* 566278366Sadrian * Attach the interface to 802.11 radiotap. 567278366Sadrian */ 568278366Sadrianstatic void 569278366Sadrianwpi_radiotap_attach(struct wpi_softc *sc) 570278366Sadrian{ 571287197Sglebius struct wpi_rx_radiotap_header *rxtap = &sc->sc_rxtap; 572287197Sglebius struct wpi_tx_radiotap_header *txtap = &sc->sc_txtap; 573287197Sglebius 574278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 575287197Sglebius ieee80211_radiotap_attach(&sc->sc_ic, 576287197Sglebius &txtap->wt_ihdr, sizeof(*txtap), WPI_TX_RADIOTAP_PRESENT, 577287197Sglebius &rxtap->wr_ihdr, sizeof(*rxtap), WPI_RX_RADIOTAP_PRESENT); 578278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 579278366Sadrian} 580278366Sadrian 581278366Sadrianstatic void 582278366Sadrianwpi_sysctlattach(struct wpi_softc *sc) 583278366Sadrian{ 584280059Sadrian#ifdef WPI_DEBUG 585278366Sadrian struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 586278366Sadrian struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 587278366Sadrian 588278366Sadrian SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 589278366Sadrian "debug", CTLFLAG_RW, &sc->sc_debug, sc->sc_debug, 590278366Sadrian "control debugging printfs"); 591278366Sadrian#endif 592278366Sadrian} 593278366Sadrian 594280083Sadrianstatic void 595280083Sadrianwpi_init_beacon(struct wpi_vap *wvp) 596280083Sadrian{ 597280083Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 598280083Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 599280083Sadrian 600280083Sadrian cmd->id = WPI_ID_BROADCAST; 601280083Sadrian cmd->ofdm_mask = 0xff; 602280083Sadrian cmd->cck_mask = 0x0f; 603280083Sadrian cmd->lifetime = htole32(WPI_LIFETIME_INFINITE); 604280083Sadrian 605282394Sadrian /* 606282394Sadrian * XXX WPI_TX_AUTO_SEQ seems to be ignored - workaround this issue 607282394Sadrian * XXX by using WPI_TX_NEED_ACK instead (with some side effects). 608282394Sadrian */ 609282394Sadrian cmd->flags = htole32(WPI_TX_NEED_ACK | WPI_TX_INSERT_TSTAMP); 610282394Sadrian 611280083Sadrian bcn->code = WPI_CMD_SET_BEACON; 612280083Sadrian bcn->ac = WPI_CMD_QUEUE_NUM; 613280083Sadrian bcn->size = sizeof(struct wpi_cmd_beacon); 614280083Sadrian} 615280083Sadrian 616278366Sadrianstatic struct ieee80211vap * 617278366Sadrianwpi_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 618278366Sadrian enum ieee80211_opmode opmode, int flags, 619278366Sadrian const uint8_t bssid[IEEE80211_ADDR_LEN], 620278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 621278366Sadrian{ 622278366Sadrian struct wpi_vap *wvp; 623278366Sadrian struct ieee80211vap *vap; 624278366Sadrian 625278366Sadrian if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 626278366Sadrian return NULL; 627278366Sadrian 628287197Sglebius wvp = malloc(sizeof(struct wpi_vap), M_80211_VAP, M_WAITOK | M_ZERO); 629280085Sadrian vap = &wvp->wv_vap; 630287197Sglebius ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid); 631278366Sadrian 632280105Sadrian if (opmode == IEEE80211_M_IBSS || opmode == IEEE80211_M_HOSTAP) { 633280086Sadrian WPI_VAP_LOCK_INIT(wvp); 634280083Sadrian wpi_init_beacon(wvp); 635280086Sadrian } 636280083Sadrian 637278366Sadrian /* Override with driver methods. */ 638278366Sadrian vap->iv_key_set = wpi_key_set; 639278366Sadrian vap->iv_key_delete = wpi_key_delete; 640289125Sadrian if (opmode == IEEE80211_M_IBSS) { 641289125Sadrian wvp->wv_recv_mgmt = vap->iv_recv_mgmt; 642289125Sadrian vap->iv_recv_mgmt = wpi_ibss_recv_mgmt; 643289125Sadrian } 644280085Sadrian wvp->wv_newstate = vap->iv_newstate; 645278366Sadrian vap->iv_newstate = wpi_newstate; 646278366Sadrian vap->iv_update_beacon = wpi_update_beacon; 647280105Sadrian vap->iv_max_aid = WPI_ID_IBSS_MAX - WPI_ID_IBSS_MIN + 1; 648278366Sadrian 649278366Sadrian ieee80211_ratectl_init(vap); 650278366Sadrian /* Complete setup. */ 651280066Sadrian ieee80211_vap_attach(vap, ieee80211_media_change, 652287197Sglebius ieee80211_media_status, mac); 653278366Sadrian ic->ic_opmode = opmode; 654278366Sadrian return vap; 655278366Sadrian} 656278366Sadrian 657278366Sadrianstatic void 658278366Sadrianwpi_vap_delete(struct ieee80211vap *vap) 659278366Sadrian{ 660278366Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 661280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 662280084Sadrian enum ieee80211_opmode opmode = vap->iv_opmode; 663278366Sadrian 664278366Sadrian ieee80211_ratectl_deinit(vap); 665278366Sadrian ieee80211_vap_detach(vap); 666278366Sadrian 667280105Sadrian if (opmode == IEEE80211_M_IBSS || opmode == IEEE80211_M_HOSTAP) { 668280084Sadrian if (bcn->m != NULL) 669280084Sadrian m_freem(bcn->m); 670280086Sadrian 671280086Sadrian WPI_VAP_LOCK_DESTROY(wvp); 672280084Sadrian } 673280084Sadrian 674278366Sadrian free(wvp, M_80211_VAP); 675278366Sadrian} 676278366Sadrian 677173362Sbenjscstatic int 678173362Sbenjscwpi_detach(device_t dev) 679173362Sbenjsc{ 680173362Sbenjsc struct wpi_softc *sc = device_get_softc(dev); 681287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 682289124Sadrian uint8_t qid; 683173362Sbenjsc 684278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 685260064Smarius 686287197Sglebius if (ic->ic_vap_create == wpi_vap_create) { 687280052Sadrian ieee80211_draintask(ic, &sc->sc_radioon_task); 688297173Savos ieee80211_draintask(ic, &sc->sc_radiooff_task); 689278366Sadrian 690173362Sbenjsc wpi_stop(sc); 691278366Sadrian 692280106Sadrian callout_drain(&sc->watchdog_rfkill); 693280109Sadrian callout_drain(&sc->tx_timeout); 694280106Sadrian callout_drain(&sc->scan_timeout); 695173362Sbenjsc callout_drain(&sc->calib_to); 696173362Sbenjsc ieee80211_ifdetach(ic); 697173362Sbenjsc } 698173362Sbenjsc 699278366Sadrian /* Uninstall interrupt handler. */ 700278366Sadrian if (sc->irq != NULL) { 701278366Sadrian bus_teardown_intr(dev, sc->irq, sc->sc_ih); 702278366Sadrian bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), 703278366Sadrian sc->irq); 704278366Sadrian pci_release_msi(dev); 705278366Sadrian } 706278366Sadrian 707173362Sbenjsc if (sc->txq[0].data_dmat) { 708278366Sadrian /* Free DMA resources. */ 709289126Sadrian for (qid = 0; qid < WPI_DRV_NTXQUEUES; qid++) 710278366Sadrian wpi_free_tx_ring(sc, &sc->txq[qid]); 711173362Sbenjsc 712278366Sadrian wpi_free_rx_ring(sc); 713173362Sbenjsc wpi_free_shared(sc); 714173362Sbenjsc } 715173362Sbenjsc 716173362Sbenjsc if (sc->fw_dma.tag) 717173362Sbenjsc wpi_free_fwmem(sc); 718278366Sadrian 719173362Sbenjsc if (sc->mem != NULL) 720260064Smarius bus_release_resource(dev, SYS_RES_MEMORY, 721260064Smarius rman_get_rid(sc->mem), sc->mem); 722173362Sbenjsc 723278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 724280112Sadrian WPI_TXQ_STATE_LOCK_DESTROY(sc); 725280071Sadrian WPI_TXQ_LOCK_DESTROY(sc); 726280077Sadrian WPI_NT_LOCK_DESTROY(sc); 727280108Sadrian WPI_RXON_LOCK_DESTROY(sc); 728280113Sadrian WPI_TX_LOCK_DESTROY(sc); 729173362Sbenjsc WPI_LOCK_DESTROY(sc); 730278366Sadrian return 0; 731278366Sadrian} 732173362Sbenjsc 733278366Sadrianstatic int 734278366Sadrianwpi_shutdown(device_t dev) 735278366Sadrian{ 736278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 737278366Sadrian 738278366Sadrian wpi_stop(sc); 739173362Sbenjsc return 0; 740173362Sbenjsc} 741173362Sbenjsc 742278366Sadrianstatic int 743278366Sadrianwpi_suspend(device_t dev) 744178354Ssam{ 745278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 746287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 747178354Ssam 748278366Sadrian ieee80211_suspend_all(ic); 749278366Sadrian return 0; 750278366Sadrian} 751178354Ssam 752278366Sadrianstatic int 753278366Sadrianwpi_resume(device_t dev) 754278366Sadrian{ 755278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 756287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 757278366Sadrian 758278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 759278366Sadrian pci_write_config(dev, 0x41, 0, 1); 760278366Sadrian 761278366Sadrian ieee80211_resume_all(ic); 762278366Sadrian return 0; 763178354Ssam} 764178354Ssam 765278366Sadrian/* 766278366Sadrian * Grab exclusive access to NIC memory. 767278366Sadrian */ 768278366Sadrianstatic int 769278366Sadrianwpi_nic_lock(struct wpi_softc *sc) 770178354Ssam{ 771278366Sadrian int ntries; 772178354Ssam 773278366Sadrian /* Request exclusive access to NIC. */ 774278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 775278366Sadrian 776278366Sadrian /* Spin until we actually get the lock. */ 777278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 778278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & 779280059Sadrian (WPI_GP_CNTRL_MAC_ACCESS_ENA | WPI_GP_CNTRL_SLEEP)) == 780278366Sadrian WPI_GP_CNTRL_MAC_ACCESS_ENA) 781278366Sadrian return 0; 782278366Sadrian DELAY(10); 783278366Sadrian } 784278366Sadrian 785278366Sadrian device_printf(sc->sc_dev, "could not lock memory\n"); 786278366Sadrian 787278366Sadrian return ETIMEDOUT; 788178354Ssam} 789178354Ssam 790278366Sadrian/* 791278366Sadrian * Release lock on NIC memory. 792278366Sadrian */ 793278366Sadrianstatic __inline void 794278366Sadrianwpi_nic_unlock(struct wpi_softc *sc) 795278366Sadrian{ 796278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 797278366Sadrian} 798278366Sadrian 799278366Sadrianstatic __inline uint32_t 800278366Sadrianwpi_prph_read(struct wpi_softc *sc, uint32_t addr) 801278366Sadrian{ 802278366Sadrian WPI_WRITE(sc, WPI_PRPH_RADDR, WPI_PRPH_DWORD | addr); 803278366Sadrian WPI_BARRIER_READ_WRITE(sc); 804278366Sadrian return WPI_READ(sc, WPI_PRPH_RDATA); 805278366Sadrian} 806278366Sadrian 807278366Sadrianstatic __inline void 808278366Sadrianwpi_prph_write(struct wpi_softc *sc, uint32_t addr, uint32_t data) 809278366Sadrian{ 810278366Sadrian WPI_WRITE(sc, WPI_PRPH_WADDR, WPI_PRPH_DWORD | addr); 811278366Sadrian WPI_BARRIER_WRITE(sc); 812278366Sadrian WPI_WRITE(sc, WPI_PRPH_WDATA, data); 813278366Sadrian} 814278366Sadrian 815278366Sadrianstatic __inline void 816278366Sadrianwpi_prph_setbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 817278366Sadrian{ 818278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) | mask); 819278366Sadrian} 820278366Sadrian 821278366Sadrianstatic __inline void 822278366Sadrianwpi_prph_clrbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 823278366Sadrian{ 824278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) & ~mask); 825278366Sadrian} 826278366Sadrian 827278366Sadrianstatic __inline void 828278366Sadrianwpi_prph_write_region_4(struct wpi_softc *sc, uint32_t addr, 829289124Sadrian const uint32_t *data, uint32_t count) 830278366Sadrian{ 831289124Sadrian for (; count != 0; count--, data++, addr += 4) 832278366Sadrian wpi_prph_write(sc, addr, *data); 833278366Sadrian} 834278366Sadrian 835278366Sadrianstatic __inline uint32_t 836278366Sadrianwpi_mem_read(struct wpi_softc *sc, uint32_t addr) 837278366Sadrian{ 838278366Sadrian WPI_WRITE(sc, WPI_MEM_RADDR, addr); 839278366Sadrian WPI_BARRIER_READ_WRITE(sc); 840278366Sadrian return WPI_READ(sc, WPI_MEM_RDATA); 841278366Sadrian} 842278366Sadrian 843278366Sadrianstatic __inline void 844278366Sadrianwpi_mem_read_region_4(struct wpi_softc *sc, uint32_t addr, uint32_t *data, 845278366Sadrian int count) 846278366Sadrian{ 847278366Sadrian for (; count > 0; count--, addr += 4) 848278366Sadrian *data++ = wpi_mem_read(sc, addr); 849278366Sadrian} 850278366Sadrian 851278366Sadrianstatic int 852278366Sadrianwpi_read_prom_data(struct wpi_softc *sc, uint32_t addr, void *data, int count) 853278366Sadrian{ 854278366Sadrian uint8_t *out = data; 855278366Sadrian uint32_t val; 856278366Sadrian int error, ntries; 857278366Sadrian 858278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 859278366Sadrian 860278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 861278366Sadrian return error; 862278366Sadrian 863278366Sadrian for (; count > 0; count -= 2, addr++) { 864278366Sadrian WPI_WRITE(sc, WPI_EEPROM, addr << 2); 865278366Sadrian for (ntries = 0; ntries < 10; ntries++) { 866278366Sadrian val = WPI_READ(sc, WPI_EEPROM); 867278366Sadrian if (val & WPI_EEPROM_READ_VALID) 868278366Sadrian break; 869278366Sadrian DELAY(5); 870278366Sadrian } 871278366Sadrian if (ntries == 10) { 872278366Sadrian device_printf(sc->sc_dev, 873278366Sadrian "timeout reading ROM at 0x%x\n", addr); 874278366Sadrian return ETIMEDOUT; 875278366Sadrian } 876278366Sadrian *out++= val >> 16; 877278366Sadrian if (count > 1) 878278366Sadrian *out ++= val >> 24; 879278366Sadrian } 880278366Sadrian 881278366Sadrian wpi_nic_unlock(sc); 882278366Sadrian 883278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 884278366Sadrian 885278366Sadrian return 0; 886278366Sadrian} 887278366Sadrian 888178354Ssamstatic void 889173362Sbenjscwpi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 890173362Sbenjsc{ 891173362Sbenjsc if (error != 0) 892173362Sbenjsc return; 893173362Sbenjsc KASSERT(nsegs == 1, ("too many DMA segments, %d should be 1", nsegs)); 894173362Sbenjsc *(bus_addr_t *)arg = segs[0].ds_addr; 895173362Sbenjsc} 896173362Sbenjsc 897177043Sthompsa/* 898177043Sthompsa * Allocates a contiguous block of dma memory of the requested size and 899278366Sadrian * alignment. 900177043Sthompsa */ 901173362Sbenjscstatic int 902173362Sbenjscwpi_dma_contig_alloc(struct wpi_softc *sc, struct wpi_dma_info *dma, 903278366Sadrian void **kvap, bus_size_t size, bus_size_t alignment) 904173362Sbenjsc{ 905173362Sbenjsc int error; 906173362Sbenjsc 907278366Sadrian dma->tag = NULL; 908173362Sbenjsc dma->size = size; 909173362Sbenjsc 910278366Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), alignment, 911278366Sadrian 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, size, 912289679Skevlo 1, size, 0, NULL, NULL, &dma->tag); 913278366Sadrian if (error != 0) 914173362Sbenjsc goto fail; 915278366Sadrian 916278366Sadrian error = bus_dmamem_alloc(dma->tag, (void **)&dma->vaddr, 917278366Sadrian BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, &dma->map); 918278366Sadrian if (error != 0) 919173362Sbenjsc goto fail; 920173362Sbenjsc 921278366Sadrian error = bus_dmamap_load(dma->tag, dma->map, dma->vaddr, size, 922278366Sadrian wpi_dma_map_addr, &dma->paddr, BUS_DMA_NOWAIT); 923278366Sadrian if (error != 0) 924278366Sadrian goto fail; 925177043Sthompsa 926278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 927177043Sthompsa 928173362Sbenjsc if (kvap != NULL) 929173362Sbenjsc *kvap = dma->vaddr; 930173362Sbenjsc 931173362Sbenjsc return 0; 932173362Sbenjsc 933278366Sadrianfail: wpi_dma_contig_free(dma); 934173362Sbenjsc return error; 935173362Sbenjsc} 936173362Sbenjsc 937173362Sbenjscstatic void 938173362Sbenjscwpi_dma_contig_free(struct wpi_dma_info *dma) 939173362Sbenjsc{ 940278366Sadrian if (dma->vaddr != NULL) { 941278366Sadrian bus_dmamap_sync(dma->tag, dma->map, 942278366Sadrian BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 943278366Sadrian bus_dmamap_unload(dma->tag, dma->map); 944278366Sadrian bus_dmamem_free(dma->tag, dma->vaddr, dma->map); 945278366Sadrian dma->vaddr = NULL; 946278366Sadrian } 947278366Sadrian if (dma->tag != NULL) { 948173362Sbenjsc bus_dma_tag_destroy(dma->tag); 949278366Sadrian dma->tag = NULL; 950173362Sbenjsc } 951173362Sbenjsc} 952173362Sbenjsc 953173362Sbenjsc/* 954173362Sbenjsc * Allocate a shared page between host and NIC. 955173362Sbenjsc */ 956173362Sbenjscstatic int 957173362Sbenjscwpi_alloc_shared(struct wpi_softc *sc) 958173362Sbenjsc{ 959278366Sadrian /* Shared buffer must be aligned on a 4KB boundary. */ 960278366Sadrian return wpi_dma_contig_alloc(sc, &sc->shared_dma, 961278366Sadrian (void **)&sc->shared, sizeof (struct wpi_shared), 4096); 962173362Sbenjsc} 963173362Sbenjsc 964173362Sbenjscstatic void 965173362Sbenjscwpi_free_shared(struct wpi_softc *sc) 966173362Sbenjsc{ 967173362Sbenjsc wpi_dma_contig_free(&sc->shared_dma); 968173362Sbenjsc} 969173362Sbenjsc 970278366Sadrian/* 971278366Sadrian * Allocate DMA-safe memory for firmware transfer. 972278366Sadrian */ 973173362Sbenjscstatic int 974278366Sadrianwpi_alloc_fwmem(struct wpi_softc *sc) 975173362Sbenjsc{ 976278366Sadrian /* Must be aligned on a 16-byte boundary. */ 977278366Sadrian return wpi_dma_contig_alloc(sc, &sc->fw_dma, NULL, 978278366Sadrian WPI_FW_TEXT_MAXSZ + WPI_FW_DATA_MAXSZ, 16); 979278366Sadrian} 980173362Sbenjsc 981278366Sadrianstatic void 982278366Sadrianwpi_free_fwmem(struct wpi_softc *sc) 983278366Sadrian{ 984278366Sadrian wpi_dma_contig_free(&sc->fw_dma); 985278366Sadrian} 986278366Sadrian 987278366Sadrianstatic int 988278366Sadrianwpi_alloc_rx_ring(struct wpi_softc *sc) 989278366Sadrian{ 990278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 991278366Sadrian bus_size_t size; 992173362Sbenjsc int i, error; 993173362Sbenjsc 994173362Sbenjsc ring->cur = 0; 995278366Sadrian ring->update = 0; 996173362Sbenjsc 997278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 998278366Sadrian 999278366Sadrian /* Allocate RX descriptors (16KB aligned.) */ 1000278366Sadrian size = WPI_RX_RING_COUNT * sizeof (uint32_t); 1001173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->desc_dma, 1002278366Sadrian (void **)&ring->desc, size, WPI_RING_DMA_ALIGN); 1003173362Sbenjsc if (error != 0) { 1004177043Sthompsa device_printf(sc->sc_dev, 1005278366Sadrian "%s: could not allocate RX ring DMA memory, error %d\n", 1006177043Sthompsa __func__, error); 1007177043Sthompsa goto fail; 1008173362Sbenjsc } 1009173362Sbenjsc 1010278366Sadrian /* Create RX buffer DMA tag. */ 1011280059Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1012278366Sadrian BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 1013289679Skevlo MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL, &ring->data_dmat); 1014280059Sadrian if (error != 0) { 1015280059Sadrian device_printf(sc->sc_dev, 1016278366Sadrian "%s: could not create RX buf DMA tag, error %d\n", 1017177043Sthompsa __func__, error); 1018280059Sadrian goto fail; 1019280059Sadrian } 1020177043Sthompsa 1021173362Sbenjsc /* 1022278366Sadrian * Allocate and map RX buffers. 1023173362Sbenjsc */ 1024173362Sbenjsc for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1025177043Sthompsa struct wpi_rx_data *data = &ring->data[i]; 1026177043Sthompsa bus_addr_t paddr; 1027173362Sbenjsc 1028177043Sthompsa error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1029177043Sthompsa if (error != 0) { 1030173362Sbenjsc device_printf(sc->sc_dev, 1031278366Sadrian "%s: could not create RX buf DMA map, error %d\n", 1032177043Sthompsa __func__, error); 1033173362Sbenjsc goto fail; 1034173362Sbenjsc } 1035278366Sadrian 1036278366Sadrian data->m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1037278366Sadrian if (data->m == NULL) { 1038173362Sbenjsc device_printf(sc->sc_dev, 1039278366Sadrian "%s: could not allocate RX mbuf\n", __func__); 1040278366Sadrian error = ENOBUFS; 1041173362Sbenjsc goto fail; 1042173362Sbenjsc } 1043278366Sadrian 1044177043Sthompsa error = bus_dmamap_load(ring->data_dmat, data->map, 1045278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1046278366Sadrian &paddr, BUS_DMA_NOWAIT); 1047177043Sthompsa if (error != 0 && error != EFBIG) { 1048177043Sthompsa device_printf(sc->sc_dev, 1049278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, 1050278366Sadrian error); 1051173362Sbenjsc goto fail; 1052173362Sbenjsc } 1053177043Sthompsa 1054278366Sadrian /* Set physical address of RX buffer. */ 1055177043Sthompsa ring->desc[i] = htole32(paddr); 1056173362Sbenjsc } 1057278366Sadrian 1058173362Sbenjsc bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1059173362Sbenjsc BUS_DMASYNC_PREWRITE); 1060278366Sadrian 1061278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1062278366Sadrian 1063173362Sbenjsc return 0; 1064278366Sadrian 1065278366Sadrianfail: wpi_free_rx_ring(sc); 1066278366Sadrian 1067278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1068278366Sadrian 1069173362Sbenjsc return error; 1070173362Sbenjsc} 1071173362Sbenjsc 1072173362Sbenjscstatic void 1073278366Sadrianwpi_update_rx_ring(struct wpi_softc *sc) 1074173362Sbenjsc{ 1075282400Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, sc->rxq.cur & ~7); 1076282400Sadrian} 1077282400Sadrian 1078282400Sadrianstatic void 1079282400Sadrianwpi_update_rx_ring_ps(struct wpi_softc *sc) 1080282400Sadrian{ 1081278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1082173362Sbenjsc 1083280056Sadrian if (ring->update != 0) { 1084280056Sadrian /* Wait for INT_WAKEUP event. */ 1085280056Sadrian return; 1086280056Sadrian } 1087280056Sadrian 1088289127Sadrian WPI_TXQ_LOCK(sc); 1089282400Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1090282400Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_SLEEP) { 1091278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s: wakeup request\n", 1092278366Sadrian __func__); 1093278366Sadrian ring->update = 1; 1094282400Sadrian } else { 1095282400Sadrian wpi_update_rx_ring(sc); 1096282400Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1097282400Sadrian } 1098289127Sadrian WPI_TXQ_UNLOCK(sc); 1099278366Sadrian} 1100173362Sbenjsc 1101278366Sadrianstatic void 1102278366Sadrianwpi_reset_rx_ring(struct wpi_softc *sc) 1103278366Sadrian{ 1104278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1105278366Sadrian int ntries; 1106173362Sbenjsc 1107278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1108173362Sbenjsc 1109278366Sadrian if (wpi_nic_lock(sc) == 0) { 1110278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 0); 1111278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 1112278366Sadrian if (WPI_READ(sc, WPI_FH_RX_STATUS) & 1113278366Sadrian WPI_FH_RX_STATUS_IDLE) 1114278366Sadrian break; 1115278366Sadrian DELAY(10); 1116278366Sadrian } 1117278366Sadrian wpi_nic_unlock(sc); 1118278366Sadrian } 1119173362Sbenjsc 1120173362Sbenjsc ring->cur = 0; 1121278366Sadrian ring->update = 0; 1122173362Sbenjsc} 1123173362Sbenjsc 1124173362Sbenjscstatic void 1125278366Sadrianwpi_free_rx_ring(struct wpi_softc *sc) 1126173362Sbenjsc{ 1127278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1128173362Sbenjsc int i; 1129173362Sbenjsc 1130278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1131278366Sadrian 1132173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1133173362Sbenjsc 1134216824Sbschmidt for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1135216824Sbschmidt struct wpi_rx_data *data = &ring->data[i]; 1136216824Sbschmidt 1137216824Sbschmidt if (data->m != NULL) { 1138216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, 1139216824Sbschmidt BUS_DMASYNC_POSTREAD); 1140216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1141216824Sbschmidt m_freem(data->m); 1142278366Sadrian data->m = NULL; 1143216824Sbschmidt } 1144216824Sbschmidt if (data->map != NULL) 1145216824Sbschmidt bus_dmamap_destroy(ring->data_dmat, data->map); 1146216824Sbschmidt } 1147278366Sadrian if (ring->data_dmat != NULL) { 1148278366Sadrian bus_dma_tag_destroy(ring->data_dmat); 1149278366Sadrian ring->data_dmat = NULL; 1150278366Sadrian } 1151173362Sbenjsc} 1152173362Sbenjsc 1153173362Sbenjscstatic int 1154289124Sadrianwpi_alloc_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring, uint8_t qid) 1155173362Sbenjsc{ 1156278366Sadrian bus_addr_t paddr; 1157278366Sadrian bus_size_t size; 1158173362Sbenjsc int i, error; 1159173362Sbenjsc 1160173362Sbenjsc ring->qid = qid; 1161173362Sbenjsc ring->queued = 0; 1162173362Sbenjsc ring->cur = 0; 1163289163Sadrian ring->pending = 0; 1164278366Sadrian ring->update = 0; 1165173362Sbenjsc 1166278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1167173362Sbenjsc 1168278366Sadrian /* Allocate TX descriptors (16KB aligned.) */ 1169278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_desc); 1170278366Sadrian error = wpi_dma_contig_alloc(sc, &ring->desc_dma, (void **)&ring->desc, 1171278366Sadrian size, WPI_RING_DMA_ALIGN); 1172173362Sbenjsc if (error != 0) { 1173278366Sadrian device_printf(sc->sc_dev, 1174278366Sadrian "%s: could not allocate TX ring DMA memory, error %d\n", 1175278366Sadrian __func__, error); 1176278366Sadrian goto fail; 1177173362Sbenjsc } 1178173362Sbenjsc 1179278366Sadrian /* Update shared area with ring physical address. */ 1180173362Sbenjsc sc->shared->txbase[qid] = htole32(ring->desc_dma.paddr); 1181278366Sadrian bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 1182278366Sadrian BUS_DMASYNC_PREWRITE); 1183173362Sbenjsc 1184278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_cmd); 1185173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->cmd_dma, (void **)&ring->cmd, 1186278366Sadrian size, 4); 1187173362Sbenjsc if (error != 0) { 1188173362Sbenjsc device_printf(sc->sc_dev, 1189278366Sadrian "%s: could not allocate TX cmd DMA memory, error %d\n", 1190278366Sadrian __func__, error); 1191173362Sbenjsc goto fail; 1192173362Sbenjsc } 1193173362Sbenjsc 1194173362Sbenjsc error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1195173362Sbenjsc BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1196289679Skevlo WPI_MAX_SCATTER - 1, MCLBYTES, 0, NULL, NULL, &ring->data_dmat); 1197173362Sbenjsc if (error != 0) { 1198278366Sadrian device_printf(sc->sc_dev, 1199278366Sadrian "%s: could not create TX buf DMA tag, error %d\n", 1200278366Sadrian __func__, error); 1201173362Sbenjsc goto fail; 1202173362Sbenjsc } 1203173362Sbenjsc 1204278366Sadrian paddr = ring->cmd_dma.paddr; 1205278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1206278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1207173362Sbenjsc 1208278366Sadrian data->cmd_paddr = paddr; 1209278366Sadrian paddr += sizeof (struct wpi_tx_cmd); 1210278366Sadrian 1211173362Sbenjsc error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1212173362Sbenjsc if (error != 0) { 1213173362Sbenjsc device_printf(sc->sc_dev, 1214278366Sadrian "%s: could not create TX buf DMA map, error %d\n", 1215278366Sadrian __func__, error); 1216173362Sbenjsc goto fail; 1217173362Sbenjsc } 1218173362Sbenjsc } 1219173362Sbenjsc 1220278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1221278366Sadrian 1222173362Sbenjsc return 0; 1223173362Sbenjsc 1224278366Sadrianfail: wpi_free_tx_ring(sc, ring); 1225278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1226173362Sbenjsc return error; 1227173362Sbenjsc} 1228173362Sbenjsc 1229173362Sbenjscstatic void 1230278366Sadrianwpi_update_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1231278366Sadrian{ 1232282400Sadrian WPI_WRITE(sc, WPI_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur); 1233282400Sadrian} 1234282400Sadrian 1235282400Sadrianstatic void 1236282400Sadrianwpi_update_tx_ring_ps(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1237282400Sadrian{ 1238282400Sadrian 1239280056Sadrian if (ring->update != 0) { 1240280056Sadrian /* Wait for INT_WAKEUP event. */ 1241280056Sadrian return; 1242280056Sadrian } 1243280056Sadrian 1244282400Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1245282400Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_SLEEP) { 1246278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s (%d): requesting wakeup\n", 1247278366Sadrian __func__, ring->qid); 1248278366Sadrian ring->update = 1; 1249282400Sadrian } else { 1250282400Sadrian wpi_update_tx_ring(sc, ring); 1251282400Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1252282400Sadrian } 1253278366Sadrian} 1254278366Sadrian 1255278366Sadrianstatic void 1256173362Sbenjscwpi_reset_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1257173362Sbenjsc{ 1258278366Sadrian int i; 1259173362Sbenjsc 1260278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1261173362Sbenjsc 1262278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1263278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1264173362Sbenjsc 1265173362Sbenjsc if (data->m != NULL) { 1266278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1267278366Sadrian BUS_DMASYNC_POSTWRITE); 1268173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1269173362Sbenjsc m_freem(data->m); 1270173362Sbenjsc data->m = NULL; 1271173362Sbenjsc } 1272282397Sadrian if (data->ni != NULL) { 1273282397Sadrian ieee80211_free_node(data->ni); 1274282397Sadrian data->ni = NULL; 1275282397Sadrian } 1276173362Sbenjsc } 1277278366Sadrian /* Clear TX descriptors. */ 1278278366Sadrian memset(ring->desc, 0, ring->desc_dma.size); 1279278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1280278366Sadrian BUS_DMASYNC_PREWRITE); 1281173362Sbenjsc ring->queued = 0; 1282173362Sbenjsc ring->cur = 0; 1283289163Sadrian ring->pending = 0; 1284278366Sadrian ring->update = 0; 1285173362Sbenjsc} 1286173362Sbenjsc 1287173362Sbenjscstatic void 1288173362Sbenjscwpi_free_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1289173362Sbenjsc{ 1290173362Sbenjsc int i; 1291173362Sbenjsc 1292278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1293278366Sadrian 1294173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1295173362Sbenjsc wpi_dma_contig_free(&ring->cmd_dma); 1296173362Sbenjsc 1297278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1298278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1299173362Sbenjsc 1300278366Sadrian if (data->m != NULL) { 1301278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1302278366Sadrian BUS_DMASYNC_POSTWRITE); 1303278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1304278366Sadrian m_freem(data->m); 1305173362Sbenjsc } 1306278366Sadrian if (data->map != NULL) 1307278366Sadrian bus_dmamap_destroy(ring->data_dmat, data->map); 1308173362Sbenjsc } 1309278366Sadrian if (ring->data_dmat != NULL) { 1310173362Sbenjsc bus_dma_tag_destroy(ring->data_dmat); 1311278366Sadrian ring->data_dmat = NULL; 1312278366Sadrian } 1313173362Sbenjsc} 1314173362Sbenjsc 1315278366Sadrian/* 1316278366Sadrian * Extract various information from EEPROM. 1317278366Sadrian */ 1318173362Sbenjscstatic int 1319278366Sadrianwpi_read_eeprom(struct wpi_softc *sc, uint8_t macaddr[IEEE80211_ADDR_LEN]) 1320173362Sbenjsc{ 1321278366Sadrian#define WPI_CHK(res) do { \ 1322278366Sadrian if ((error = res) != 0) \ 1323278366Sadrian goto fail; \ 1324278366Sadrian} while (0) 1325289124Sadrian uint8_t i; 1326289124Sadrian int error; 1327173362Sbenjsc 1328278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1329173362Sbenjsc 1330278366Sadrian /* Adapter has to be powered on for EEPROM access to work. */ 1331278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 1332278366Sadrian device_printf(sc->sc_dev, 1333278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 1334278366Sadrian error); 1335278366Sadrian return error; 1336278366Sadrian } 1337278366Sadrian 1338278366Sadrian if ((WPI_READ(sc, WPI_EEPROM_GP) & 0x6) == 0) { 1339278366Sadrian device_printf(sc->sc_dev, "bad EEPROM signature\n"); 1340278366Sadrian error = EIO; 1341278366Sadrian goto fail; 1342278366Sadrian } 1343278366Sadrian /* Clear HW ownership of EEPROM. */ 1344278366Sadrian WPI_CLRBITS(sc, WPI_EEPROM_GP, WPI_EEPROM_GP_IF_OWNER); 1345278366Sadrian 1346278366Sadrian /* Read the hardware capabilities, revision and SKU type. */ 1347278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_SKU_CAP, &sc->cap, 1348278366Sadrian sizeof(sc->cap))); 1349278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_REVISION, &sc->rev, 1350278366Sadrian sizeof(sc->rev))); 1351278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_TYPE, &sc->type, 1352278366Sadrian sizeof(sc->type))); 1353278366Sadrian 1354280076Sadrian sc->rev = le16toh(sc->rev); 1355280066Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, "cap=%x rev=%x type=%x\n", sc->cap, 1356280076Sadrian sc->rev, sc->type); 1357278366Sadrian 1358278366Sadrian /* Read the regulatory domain (4 ASCII characters.) */ 1359278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_DOMAIN, sc->domain, 1360278366Sadrian sizeof(sc->domain))); 1361278366Sadrian 1362278366Sadrian /* Read MAC address. */ 1363278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_MAC, macaddr, 1364278366Sadrian IEEE80211_ADDR_LEN)); 1365278366Sadrian 1366278366Sadrian /* Read the list of authorized channels. */ 1367278366Sadrian for (i = 0; i < WPI_CHAN_BANDS_COUNT; i++) 1368278366Sadrian WPI_CHK(wpi_read_eeprom_channels(sc, i)); 1369278366Sadrian 1370278366Sadrian /* Read the list of TX power groups. */ 1371278366Sadrian for (i = 0; i < WPI_POWER_GROUPS_COUNT; i++) 1372278366Sadrian WPI_CHK(wpi_read_eeprom_group(sc, i)); 1373278366Sadrian 1374278366Sadrianfail: wpi_apm_stop(sc); /* Power OFF adapter. */ 1375278366Sadrian 1376278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, error ? TRACE_STR_END_ERR : TRACE_STR_END, 1377278366Sadrian __func__); 1378278366Sadrian 1379278366Sadrian return error; 1380278366Sadrian#undef WPI_CHK 1381278366Sadrian} 1382278366Sadrian 1383278366Sadrian/* 1384278366Sadrian * Translate EEPROM flags to net80211. 1385278366Sadrian */ 1386278366Sadrianstatic uint32_t 1387278366Sadrianwpi_eeprom_channel_flags(struct wpi_eeprom_chan *channel) 1388278366Sadrian{ 1389278366Sadrian uint32_t nflags; 1390278366Sadrian 1391278366Sadrian nflags = 0; 1392278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_ACTIVE) == 0) 1393278366Sadrian nflags |= IEEE80211_CHAN_PASSIVE; 1394278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_IBSS) == 0) 1395278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1396278366Sadrian if (channel->flags & WPI_EEPROM_CHAN_RADAR) { 1397278366Sadrian nflags |= IEEE80211_CHAN_DFS; 1398278366Sadrian /* XXX apparently IBSS may still be marked */ 1399278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1400278366Sadrian } 1401278366Sadrian 1402280105Sadrian /* XXX HOSTAP uses WPI_MODE_IBSS */ 1403280105Sadrian if (nflags & IEEE80211_CHAN_NOADHOC) 1404280105Sadrian nflags |= IEEE80211_CHAN_NOHOSTAP; 1405280105Sadrian 1406278366Sadrian return nflags; 1407278366Sadrian} 1408278366Sadrian 1409278366Sadrianstatic void 1410293716Savoswpi_read_eeprom_band(struct wpi_softc *sc, uint8_t n, int maxchans, 1411293716Savos int *nchans, struct ieee80211_channel chans[]) 1412278366Sadrian{ 1413278366Sadrian struct wpi_eeprom_chan *channels = sc->eeprom_channels[n]; 1414278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1415289124Sadrian uint32_t nflags; 1416298822Savos uint8_t bands[IEEE80211_MODE_BYTES]; 1417289124Sadrian uint8_t chan, i; 1418298822Savos int error; 1419278366Sadrian 1420298822Savos memset(bands, 0, sizeof(bands)); 1421298822Savos 1422298822Savos if (n == 0) { 1423298822Savos setbit(bands, IEEE80211_MODE_11B); 1424298822Savos setbit(bands, IEEE80211_MODE_11G); 1425298822Savos } else 1426298822Savos setbit(bands, IEEE80211_MODE_11A); 1427298822Savos 1428278366Sadrian for (i = 0; i < band->nchan; i++) { 1429278366Sadrian if (!(channels[i].flags & WPI_EEPROM_CHAN_VALID)) { 1430280080Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1431278366Sadrian "Channel Not Valid: %d, band %d\n", 1432278366Sadrian band->chan[i],n); 1433278366Sadrian continue; 1434278366Sadrian } 1435278366Sadrian 1436278366Sadrian chan = band->chan[i]; 1437278366Sadrian nflags = wpi_eeprom_channel_flags(&channels[i]); 1438298822Savos error = ieee80211_add_channel(chans, maxchans, nchans, 1439298822Savos chan, 0, channels[i].maxpwr, nflags, bands); 1440298822Savos if (error != 0) 1441298822Savos break; 1442278366Sadrian 1443278366Sadrian /* Save maximum allowed TX power for this channel. */ 1444278366Sadrian sc->maxpwr[chan] = channels[i].maxpwr; 1445278366Sadrian 1446278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1447298822Savos "adding chan %d flags=0x%x maxpwr=%d, offset %d\n", 1448298822Savos chan, channels[i].flags, sc->maxpwr[chan], *nchans); 1449278366Sadrian } 1450278366Sadrian} 1451278366Sadrian 1452278366Sadrian/** 1453278366Sadrian * Read the eeprom to find out what channels are valid for the given 1454278366Sadrian * band and update net80211 with what we find. 1455278366Sadrian */ 1456278366Sadrianstatic int 1457289124Sadrianwpi_read_eeprom_channels(struct wpi_softc *sc, uint8_t n) 1458278366Sadrian{ 1459287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1460278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1461278366Sadrian int error; 1462278366Sadrian 1463278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1464278366Sadrian 1465278366Sadrian error = wpi_read_prom_data(sc, band->addr, &sc->eeprom_channels[n], 1466278366Sadrian band->nchan * sizeof (struct wpi_eeprom_chan)); 1467278366Sadrian if (error != 0) { 1468278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1469278366Sadrian return error; 1470278366Sadrian } 1471278366Sadrian 1472293716Savos wpi_read_eeprom_band(sc, n, IEEE80211_CHAN_MAX, &ic->ic_nchans, 1473293716Savos ic->ic_channels); 1474278366Sadrian 1475278366Sadrian ieee80211_sort_channels(ic->ic_channels, ic->ic_nchans); 1476278366Sadrian 1477278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1478278366Sadrian 1479173362Sbenjsc return 0; 1480173362Sbenjsc} 1481173362Sbenjsc 1482278366Sadrianstatic struct wpi_eeprom_chan * 1483278366Sadrianwpi_find_eeprom_channel(struct wpi_softc *sc, struct ieee80211_channel *c) 1484278366Sadrian{ 1485278366Sadrian int i, j; 1486278366Sadrian 1487278366Sadrian for (j = 0; j < WPI_CHAN_BANDS_COUNT; j++) 1488278366Sadrian for (i = 0; i < wpi_bands[j].nchan; i++) 1489297524Savos if (wpi_bands[j].chan[i] == c->ic_ieee && 1490297524Savos ((j == 0) ^ IEEE80211_IS_CHAN_A(c)) == 1) 1491278366Sadrian return &sc->eeprom_channels[j][i]; 1492278366Sadrian 1493278366Sadrian return NULL; 1494278366Sadrian} 1495278366Sadrian 1496293716Savosstatic void 1497293716Savoswpi_getradiocaps(struct ieee80211com *ic, 1498293716Savos int maxchans, int *nchans, struct ieee80211_channel chans[]) 1499293716Savos{ 1500293716Savos struct wpi_softc *sc = ic->ic_softc; 1501293716Savos int i; 1502293716Savos 1503293716Savos /* Parse the list of authorized channels. */ 1504293716Savos for (i = 0; i < WPI_CHAN_BANDS_COUNT && *nchans < maxchans; i++) 1505293716Savos wpi_read_eeprom_band(sc, i, maxchans, nchans, chans); 1506293716Savos} 1507293716Savos 1508278366Sadrian/* 1509278366Sadrian * Enforce flags read from EEPROM. 1510278366Sadrian */ 1511173362Sbenjscstatic int 1512278366Sadrianwpi_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *rd, 1513278366Sadrian int nchan, struct ieee80211_channel chans[]) 1514173362Sbenjsc{ 1515286865Sadrian struct wpi_softc *sc = ic->ic_softc; 1516278366Sadrian int i; 1517173362Sbenjsc 1518278366Sadrian for (i = 0; i < nchan; i++) { 1519278366Sadrian struct ieee80211_channel *c = &chans[i]; 1520278366Sadrian struct wpi_eeprom_chan *channel; 1521278366Sadrian 1522278366Sadrian channel = wpi_find_eeprom_channel(sc, c); 1523278366Sadrian if (channel == NULL) { 1524287197Sglebius ic_printf(ic, "%s: invalid channel %u freq %u/0x%x\n", 1525278366Sadrian __func__, c->ic_ieee, c->ic_freq, c->ic_flags); 1526278366Sadrian return EINVAL; 1527278366Sadrian } 1528278366Sadrian c->ic_flags |= wpi_eeprom_channel_flags(channel); 1529278366Sadrian } 1530278366Sadrian 1531173362Sbenjsc return 0; 1532173362Sbenjsc} 1533173362Sbenjsc 1534173362Sbenjscstatic int 1535289124Sadrianwpi_read_eeprom_group(struct wpi_softc *sc, uint8_t n) 1536173362Sbenjsc{ 1537278366Sadrian struct wpi_power_group *group = &sc->groups[n]; 1538278366Sadrian struct wpi_eeprom_group rgroup; 1539278366Sadrian int i, error; 1540173362Sbenjsc 1541278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1542173362Sbenjsc 1543278366Sadrian if ((error = wpi_read_prom_data(sc, WPI_EEPROM_POWER_GRP + n * 32, 1544278366Sadrian &rgroup, sizeof rgroup)) != 0) { 1545278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1546278366Sadrian return error; 1547278366Sadrian } 1548278366Sadrian 1549278366Sadrian /* Save TX power group information. */ 1550278366Sadrian group->chan = rgroup.chan; 1551278366Sadrian group->maxpwr = rgroup.maxpwr; 1552278366Sadrian /* Retrieve temperature at which the samples were taken. */ 1553278366Sadrian group->temp = (int16_t)le16toh(rgroup.temp); 1554278366Sadrian 1555278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1556278366Sadrian "power group %d: chan=%d maxpwr=%d temp=%d\n", n, group->chan, 1557278366Sadrian group->maxpwr, group->temp); 1558278366Sadrian 1559278366Sadrian for (i = 0; i < WPI_SAMPLES_COUNT; i++) { 1560278366Sadrian group->samples[i].index = rgroup.samples[i].index; 1561278366Sadrian group->samples[i].power = rgroup.samples[i].power; 1562278366Sadrian 1563278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1564278366Sadrian "\tsample %d: index=%d power=%d\n", i, 1565278366Sadrian group->samples[i].index, group->samples[i].power); 1566278366Sadrian } 1567278366Sadrian 1568278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1569278366Sadrian 1570173362Sbenjsc return 0; 1571173362Sbenjsc} 1572173362Sbenjsc 1573289124Sadrianstatic __inline uint8_t 1574280069Sadrianwpi_add_node_entry_adhoc(struct wpi_softc *sc) 1575280069Sadrian{ 1576289124Sadrian uint8_t newid = WPI_ID_IBSS_MIN; 1577280069Sadrian 1578280069Sadrian for (; newid <= WPI_ID_IBSS_MAX; newid++) { 1579280069Sadrian if ((sc->nodesmsk & (1 << newid)) == 0) { 1580280069Sadrian sc->nodesmsk |= 1 << newid; 1581280069Sadrian return newid; 1582280069Sadrian } 1583280069Sadrian } 1584280069Sadrian 1585280069Sadrian return WPI_ID_UNDEFINED; 1586280069Sadrian} 1587280069Sadrian 1588289124Sadrianstatic __inline uint8_t 1589280070Sadrianwpi_add_node_entry_sta(struct wpi_softc *sc) 1590280070Sadrian{ 1591280070Sadrian sc->nodesmsk |= 1 << WPI_ID_BSS; 1592280070Sadrian 1593280070Sadrian return WPI_ID_BSS; 1594280070Sadrian} 1595280070Sadrian 1596280070Sadrianstatic __inline int 1597280069Sadrianwpi_check_node_entry(struct wpi_softc *sc, uint8_t id) 1598280069Sadrian{ 1599280069Sadrian if (id == WPI_ID_UNDEFINED) 1600280069Sadrian return 0; 1601280069Sadrian 1602280069Sadrian return (sc->nodesmsk >> id) & 1; 1603280069Sadrian} 1604280069Sadrian 1605280069Sadrianstatic __inline void 1606280069Sadrianwpi_clear_node_table(struct wpi_softc *sc) 1607280069Sadrian{ 1608280069Sadrian sc->nodesmsk = 0; 1609280069Sadrian} 1610280069Sadrian 1611280069Sadrianstatic __inline void 1612280069Sadrianwpi_del_node_entry(struct wpi_softc *sc, uint8_t id) 1613280069Sadrian{ 1614280069Sadrian sc->nodesmsk &= ~(1 << id); 1615280069Sadrian} 1616280069Sadrian 1617278366Sadrianstatic struct ieee80211_node * 1618278366Sadrianwpi_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 1619278366Sadrian{ 1620278366Sadrian struct wpi_node *wn; 1621278366Sadrian 1622278366Sadrian wn = malloc(sizeof (struct wpi_node), M_80211_NODE, 1623278366Sadrian M_NOWAIT | M_ZERO); 1624278366Sadrian 1625278366Sadrian if (wn == NULL) 1626278366Sadrian return NULL; 1627278366Sadrian 1628278366Sadrian wn->id = WPI_ID_UNDEFINED; 1629278366Sadrian 1630278366Sadrian return &wn->ni; 1631278366Sadrian} 1632278366Sadrian 1633278366Sadrianstatic void 1634278366Sadrianwpi_node_free(struct ieee80211_node *ni) 1635278366Sadrian{ 1636287197Sglebius struct wpi_softc *sc = ni->ni_ic->ic_softc; 1637280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 1638278366Sadrian 1639280070Sadrian if (wn->id != WPI_ID_UNDEFINED) { 1640280077Sadrian WPI_NT_LOCK(sc); 1641280069Sadrian if (wpi_check_node_entry(sc, wn->id)) { 1642280069Sadrian wpi_del_node_entry(sc, wn->id); 1643278366Sadrian wpi_del_node(sc, ni); 1644280069Sadrian } 1645280077Sadrian WPI_NT_UNLOCK(sc); 1646278366Sadrian } 1647278366Sadrian 1648278366Sadrian sc->sc_node_free(ni); 1649278366Sadrian} 1650278366Sadrian 1651282375Sadrianstatic __inline int 1652282375Sadrianwpi_check_bss_filter(struct wpi_softc *sc) 1653282375Sadrian{ 1654282375Sadrian return (sc->rxon.filter & htole32(WPI_FILTER_BSS)) != 0; 1655282375Sadrian} 1656282375Sadrian 1657282401Sadrianstatic void 1658289125Sadrianwpi_ibss_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m, int subtype, 1659283536Sadrian const struct ieee80211_rx_stats *rxs, 1660283536Sadrian int rssi, int nf) 1661282401Sadrian{ 1662282401Sadrian struct ieee80211vap *vap = ni->ni_vap; 1663286865Sadrian struct wpi_softc *sc = vap->iv_ic->ic_softc; 1664282401Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 1665282401Sadrian uint64_t ni_tstamp, rx_tstamp; 1666282401Sadrian 1667283536Sadrian wvp->wv_recv_mgmt(ni, m, subtype, rxs, rssi, nf); 1668282401Sadrian 1669289125Sadrian if (vap->iv_state == IEEE80211_S_RUN && 1670282401Sadrian (subtype == IEEE80211_FC0_SUBTYPE_BEACON || 1671282401Sadrian subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP)) { 1672282401Sadrian ni_tstamp = le64toh(ni->ni_tstamp.tsf); 1673282401Sadrian rx_tstamp = le64toh(sc->rx_tstamp); 1674282401Sadrian 1675282401Sadrian if (ni_tstamp >= rx_tstamp) { 1676282401Sadrian DPRINTF(sc, WPI_DEBUG_STATE, 1677282401Sadrian "ibss merge, tsf %ju tstamp %ju\n", 1678282401Sadrian (uintmax_t)rx_tstamp, (uintmax_t)ni_tstamp); 1679282401Sadrian (void) ieee80211_ibss_merge(ni); 1680282401Sadrian } 1681282401Sadrian } 1682282401Sadrian} 1683282401Sadrian 1684282401Sadrianstatic void 1685282401Sadrianwpi_restore_node(void *arg, struct ieee80211_node *ni) 1686282401Sadrian{ 1687282401Sadrian struct wpi_softc *sc = arg; 1688282401Sadrian struct wpi_node *wn = WPI_NODE(ni); 1689282401Sadrian int error; 1690282401Sadrian 1691282401Sadrian WPI_NT_LOCK(sc); 1692282401Sadrian if (wn->id != WPI_ID_UNDEFINED) { 1693282401Sadrian wn->id = WPI_ID_UNDEFINED; 1694282401Sadrian if ((error = wpi_add_ibss_node(sc, ni)) != 0) { 1695282401Sadrian device_printf(sc->sc_dev, 1696282401Sadrian "%s: could not add IBSS node, error %d\n", 1697282401Sadrian __func__, error); 1698282401Sadrian } 1699282401Sadrian } 1700282401Sadrian WPI_NT_UNLOCK(sc); 1701282401Sadrian} 1702282401Sadrian 1703282401Sadrianstatic void 1704282401Sadrianwpi_restore_node_table(struct wpi_softc *sc, struct wpi_vap *wvp) 1705282401Sadrian{ 1706287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1707282401Sadrian 1708282401Sadrian /* Set group keys once. */ 1709282401Sadrian WPI_NT_LOCK(sc); 1710282401Sadrian wvp->wv_gtk = 0; 1711282401Sadrian WPI_NT_UNLOCK(sc); 1712282401Sadrian 1713282401Sadrian ieee80211_iterate_nodes(&ic->ic_sta, wpi_restore_node, sc); 1714282401Sadrian ieee80211_crypto_reload_keys(ic); 1715282401Sadrian} 1716282401Sadrian 1717173362Sbenjsc/** 1718173362Sbenjsc * Called by net80211 when ever there is a change to 80211 state machine 1719173362Sbenjsc */ 1720173362Sbenjscstatic int 1721178354Ssamwpi_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1722173362Sbenjsc{ 1723178354Ssam struct wpi_vap *wvp = WPI_VAP(vap); 1724178354Ssam struct ieee80211com *ic = vap->iv_ic; 1725286865Sadrian struct wpi_softc *sc = ic->ic_softc; 1726278366Sadrian int error = 0; 1727173362Sbenjsc 1728278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1729278366Sadrian 1730287197Sglebius WPI_TXQ_LOCK(sc); 1731287197Sglebius if (nstate > IEEE80211_S_INIT && sc->sc_running == 0) { 1732287197Sglebius DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1733287197Sglebius WPI_TXQ_UNLOCK(sc); 1734287197Sglebius 1735287197Sglebius return ENXIO; 1736287197Sglebius } 1737287197Sglebius WPI_TXQ_UNLOCK(sc); 1738287197Sglebius 1739278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "%s: %s -> %s\n", __func__, 1740178354Ssam ieee80211_state_name[vap->iv_state], 1741278366Sadrian ieee80211_state_name[nstate]); 1742173362Sbenjsc 1743282381Sadrian if (vap->iv_state == IEEE80211_S_RUN && nstate < IEEE80211_S_RUN) { 1744280118Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 1)) != 0) { 1745280118Sadrian device_printf(sc->sc_dev, 1746280118Sadrian "%s: could not set power saving level\n", 1747280118Sadrian __func__); 1748280118Sadrian return error; 1749280118Sadrian } 1750282381Sadrian 1751282381Sadrian wpi_set_led(sc, WPI_LED_LINK, 1, 0); 1752280118Sadrian } 1753280118Sadrian 1754278366Sadrian switch (nstate) { 1755278366Sadrian case IEEE80211_S_SCAN: 1756280108Sadrian WPI_RXON_LOCK(sc); 1757282386Sadrian if (wpi_check_bss_filter(sc) != 0) { 1758278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 1759278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 1760278366Sadrian device_printf(sc->sc_dev, 1761278366Sadrian "%s: could not send RXON\n", __func__); 1762278366Sadrian } 1763216238Sbschmidt } 1764280108Sadrian WPI_RXON_UNLOCK(sc); 1765278366Sadrian break; 1766278366Sadrian 1767278366Sadrian case IEEE80211_S_ASSOC: 1768278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1769278366Sadrian break; 1770278366Sadrian /* FALLTHROUGH */ 1771278366Sadrian case IEEE80211_S_AUTH: 1772216238Sbschmidt /* 1773282391Sadrian * NB: do not optimize AUTH -> AUTH state transmission - 1774282391Sadrian * this will break powersave with non-QoS AP! 1775282391Sadrian */ 1776282391Sadrian 1777282391Sadrian /* 1778216238Sbschmidt * The node must be registered in the firmware before auth. 1779216238Sbschmidt * Also the associd must be cleared on RUN -> ASSOC 1780216238Sbschmidt * transitions. 1781216238Sbschmidt */ 1782278366Sadrian if ((error = wpi_auth(sc, vap)) != 0) { 1783191746Sthompsa device_printf(sc->sc_dev, 1784278366Sadrian "%s: could not move to AUTH state, error %d\n", 1785191746Sthompsa __func__, error); 1786191746Sthompsa } 1787278366Sadrian break; 1788278366Sadrian 1789278366Sadrian case IEEE80211_S_RUN: 1790278366Sadrian /* 1791282401Sadrian * RUN -> RUN transition: 1792282401Sadrian * STA mode: Just restart the timers. 1793282401Sadrian * IBSS mode: Process IBSS merge. 1794278366Sadrian */ 1795278366Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 1796282401Sadrian if (vap->iv_opmode != IEEE80211_M_IBSS) { 1797282401Sadrian WPI_RXON_LOCK(sc); 1798282401Sadrian wpi_calib_timeout(sc); 1799282401Sadrian WPI_RXON_UNLOCK(sc); 1800282401Sadrian break; 1801282401Sadrian } else { 1802282401Sadrian /* 1803282401Sadrian * Drop the BSS_FILTER bit 1804282401Sadrian * (there is no another way to change bssid). 1805282401Sadrian */ 1806282401Sadrian WPI_RXON_LOCK(sc); 1807282401Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 1808282401Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 1809282401Sadrian device_printf(sc->sc_dev, 1810282401Sadrian "%s: could not send RXON\n", 1811282401Sadrian __func__); 1812282401Sadrian } 1813282401Sadrian WPI_RXON_UNLOCK(sc); 1814282401Sadrian 1815282401Sadrian /* Restore all what was lost. */ 1816282401Sadrian wpi_restore_node_table(sc, wvp); 1817282401Sadrian 1818282401Sadrian /* XXX set conditionally? */ 1819282401Sadrian wpi_updateedca(ic); 1820282401Sadrian } 1821278366Sadrian } 1822278366Sadrian 1823278366Sadrian /* 1824278366Sadrian * !RUN -> RUN requires setting the association id 1825278366Sadrian * which is done with a firmware cmd. We also defer 1826278366Sadrian * starting the timers until that work is done. 1827278366Sadrian */ 1828278366Sadrian if ((error = wpi_run(sc, vap)) != 0) { 1829191746Sthompsa device_printf(sc->sc_dev, 1830278366Sadrian "%s: could not move to RUN state\n", __func__); 1831191746Sthompsa } 1832278366Sadrian break; 1833278366Sadrian 1834278366Sadrian default: 1835278366Sadrian break; 1836178354Ssam } 1837278366Sadrian if (error != 0) { 1838278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1839278366Sadrian return error; 1840278366Sadrian } 1841173362Sbenjsc 1842278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1843173362Sbenjsc 1844280085Sadrian return wvp->wv_newstate(vap, nstate, arg); 1845173362Sbenjsc} 1846173362Sbenjsc 1847173362Sbenjscstatic void 1848278366Sadrianwpi_calib_timeout(void *arg) 1849173362Sbenjsc{ 1850278366Sadrian struct wpi_softc *sc = arg; 1851173362Sbenjsc 1852282375Sadrian if (wpi_check_bss_filter(sc) == 0) 1853278366Sadrian return; 1854173362Sbenjsc 1855278366Sadrian wpi_power_calibration(sc); 1856173362Sbenjsc 1857278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 1858173362Sbenjsc} 1859173362Sbenjsc 1860278366Sadrianstatic __inline uint8_t 1861278366Sadrianrate2plcp(const uint8_t rate) 1862173362Sbenjsc{ 1863278366Sadrian switch (rate) { 1864278366Sadrian case 12: return 0xd; 1865278366Sadrian case 18: return 0xf; 1866278366Sadrian case 24: return 0x5; 1867278366Sadrian case 36: return 0x7; 1868278366Sadrian case 48: return 0x9; 1869278366Sadrian case 72: return 0xb; 1870278366Sadrian case 96: return 0x1; 1871278366Sadrian case 108: return 0x3; 1872278366Sadrian case 2: return 10; 1873278366Sadrian case 4: return 20; 1874278366Sadrian case 11: return 55; 1875278366Sadrian case 22: return 110; 1876278366Sadrian default: return 0; 1877173362Sbenjsc } 1878173362Sbenjsc} 1879173362Sbenjsc 1880278366Sadrianstatic __inline uint8_t 1881278366Sadrianplcp2rate(const uint8_t plcp) 1882173362Sbenjsc{ 1883278366Sadrian switch (plcp) { 1884278366Sadrian case 0xd: return 12; 1885278366Sadrian case 0xf: return 18; 1886278366Sadrian case 0x5: return 24; 1887278366Sadrian case 0x7: return 36; 1888278366Sadrian case 0x9: return 48; 1889278366Sadrian case 0xb: return 72; 1890278366Sadrian case 0x1: return 96; 1891278366Sadrian case 0x3: return 108; 1892278366Sadrian case 10: return 2; 1893278366Sadrian case 20: return 4; 1894278366Sadrian case 55: return 11; 1895278366Sadrian case 110: return 22; 1896278366Sadrian default: return 0; 1897173362Sbenjsc } 1898278366Sadrian} 1899173362Sbenjsc 1900278366Sadrian/* Quickly determine if a given rate is CCK or OFDM. */ 1901278366Sadrian#define WPI_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22) 1902173362Sbenjsc 1903173362Sbenjscstatic void 1904278366Sadrianwpi_rx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1905278366Sadrian struct wpi_rx_data *data) 1906173362Sbenjsc{ 1907287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1908173362Sbenjsc struct wpi_rx_ring *ring = &sc->rxq; 1909173362Sbenjsc struct wpi_rx_stat *stat; 1910173362Sbenjsc struct wpi_rx_head *head; 1911173362Sbenjsc struct wpi_rx_tail *tail; 1912278366Sadrian struct ieee80211_frame *wh; 1913173362Sbenjsc struct ieee80211_node *ni; 1914278366Sadrian struct mbuf *m, *m1; 1915177043Sthompsa bus_addr_t paddr; 1916278366Sadrian uint32_t flags; 1917278366Sadrian uint16_t len; 1918177043Sthompsa int error; 1919173362Sbenjsc 1920173362Sbenjsc stat = (struct wpi_rx_stat *)(desc + 1); 1921173362Sbenjsc 1922289008Sadrian if (__predict_false(stat->len > WPI_STAT_MAXLEN)) { 1923278366Sadrian device_printf(sc->sc_dev, "invalid RX statistic header\n"); 1924278764Sadrian goto fail1; 1925173362Sbenjsc } 1926173362Sbenjsc 1927216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTREAD); 1928173362Sbenjsc head = (struct wpi_rx_head *)((caddr_t)(stat + 1) + stat->len); 1929278366Sadrian len = le16toh(head->len); 1930278366Sadrian tail = (struct wpi_rx_tail *)((caddr_t)(head + 1) + len); 1931278366Sadrian flags = le32toh(tail->flags); 1932173362Sbenjsc 1933278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: idx %d len %d stat len %u rssi %d" 1934278366Sadrian " rate %x chan %d tstamp %ju\n", __func__, ring->cur, 1935278366Sadrian le32toh(desc->len), len, (int8_t)stat->rssi, 1936278366Sadrian head->plcp, head->chan, (uintmax_t)le64toh(tail->tstamp)); 1937173362Sbenjsc 1938278366Sadrian /* Discard frames with a bad FCS early. */ 1939278366Sadrian if ((flags & WPI_RX_NOERROR) != WPI_RX_NOERROR) { 1940278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: RX flags error %x\n", 1941278366Sadrian __func__, flags); 1942278764Sadrian goto fail1; 1943190458Sjmallett } 1944278366Sadrian /* Discard frames that are too short. */ 1945282402Sadrian if (len < sizeof (struct ieee80211_frame_ack)) { 1946278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: frame too short: %d\n", 1947278366Sadrian __func__, len); 1948278764Sadrian goto fail1; 1949190458Sjmallett } 1950190458Sjmallett 1951278366Sadrian m1 = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1952289008Sadrian if (__predict_false(m1 == NULL)) { 1953278366Sadrian DPRINTF(sc, WPI_DEBUG_ANY, "%s: no mbuf to restock ring\n", 1954278366Sadrian __func__); 1955278764Sadrian goto fail1; 1956177043Sthompsa } 1957216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1958216824Sbschmidt 1959278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, mtod(m1, void *), 1960278366Sadrian MJUMPAGESIZE, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 1961289008Sadrian if (__predict_false(error != 0 && error != EFBIG)) { 1962177043Sthompsa device_printf(sc->sc_dev, 1963177043Sthompsa "%s: bus_dmamap_load failed, error %d\n", __func__, error); 1964278366Sadrian m_freem(m1); 1965278366Sadrian 1966278366Sadrian /* Try to reload the old mbuf. */ 1967278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, 1968278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1969278366Sadrian &paddr, BUS_DMA_NOWAIT); 1970278366Sadrian if (error != 0 && error != EFBIG) { 1971278366Sadrian panic("%s: could not load old RX mbuf", __func__); 1972278366Sadrian } 1973278366Sadrian /* Physical address may have changed. */ 1974278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1975278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->desc_dma.map, 1976278366Sadrian BUS_DMASYNC_PREWRITE); 1977278764Sadrian goto fail1; 1978177043Sthompsa } 1979177043Sthompsa 1980173362Sbenjsc m = data->m; 1981278366Sadrian data->m = m1; 1982278366Sadrian /* Update RX descriptor. */ 1983278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1984278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1985278366Sadrian BUS_DMASYNC_PREWRITE); 1986278366Sadrian 1987278366Sadrian /* Finalize mbuf. */ 1988173362Sbenjsc m->m_data = (caddr_t)(head + 1); 1989278366Sadrian m->m_pkthdr.len = m->m_len = len; 1990173362Sbenjsc 1991278366Sadrian /* Grab a reference to the source node. */ 1992278366Sadrian wh = mtod(m, struct ieee80211_frame *); 1993173362Sbenjsc 1994278366Sadrian if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) && 1995280088Sadrian (flags & WPI_RX_CIPHER_MASK) == WPI_RX_CIPHER_CCMP) { 1996278366Sadrian /* Check whether decryption was successful or not. */ 1997278366Sadrian if ((flags & WPI_RX_DECRYPT_MASK) != WPI_RX_DECRYPT_OK) { 1998278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, 1999278366Sadrian "CCMP decryption failed 0x%x\n", flags); 2000278764Sadrian goto fail2; 2001278366Sadrian } 2002278366Sadrian m->m_flags |= M_WEP; 2003278366Sadrian } 2004278366Sadrian 2005282402Sadrian if (len >= sizeof(struct ieee80211_frame_min)) 2006282402Sadrian ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 2007282402Sadrian else 2008282402Sadrian ni = NULL; 2009282402Sadrian 2010282401Sadrian sc->rx_tstamp = tail->tstamp; 2011280088Sadrian 2012192468Ssam if (ieee80211_radiotap_active(ic)) { 2013173362Sbenjsc struct wpi_rx_radiotap_header *tap = &sc->sc_rxtap; 2014173362Sbenjsc 2015173362Sbenjsc tap->wr_flags = 0; 2016278366Sadrian if (head->flags & htole16(WPI_STAT_FLAG_SHPREAMBLE)) 2017278366Sadrian tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 2018280064Sadrian tap->wr_dbm_antsignal = (int8_t)(stat->rssi + WPI_RSSI_OFFSET); 2019280081Sadrian tap->wr_dbm_antnoise = WPI_RSSI_OFFSET; 2020173362Sbenjsc tap->wr_tsft = tail->tstamp; 2021173362Sbenjsc tap->wr_antenna = (le16toh(head->flags) >> 4) & 0xf; 2022278366Sadrian tap->wr_rate = plcp2rate(head->plcp); 2023173362Sbenjsc } 2024173362Sbenjsc 2025173362Sbenjsc WPI_UNLOCK(sc); 2026173362Sbenjsc 2027278366Sadrian /* Send the frame to the 802.11 layer. */ 2028178354Ssam if (ni != NULL) { 2029280064Sadrian (void)ieee80211_input(ni, m, stat->rssi, WPI_RSSI_OFFSET); 2030278366Sadrian /* Node is no longer needed. */ 2031178354Ssam ieee80211_free_node(ni); 2032178354Ssam } else 2033280064Sadrian (void)ieee80211_input_all(ic, m, stat->rssi, WPI_RSSI_OFFSET); 2034173362Sbenjsc 2035173362Sbenjsc WPI_LOCK(sc); 2036278764Sadrian 2037278764Sadrian return; 2038278764Sadrian 2039280088Sadrianfail2: m_freem(m); 2040278764Sadrian 2041287197Sglebiusfail1: counter_u64_add(ic->ic_ierrors, 1); 2042173362Sbenjsc} 2043173362Sbenjsc 2044173362Sbenjscstatic void 2045278366Sadrianwpi_rx_statistics(struct wpi_softc *sc, struct wpi_rx_desc *desc, 2046278366Sadrian struct wpi_rx_data *data) 2047173362Sbenjsc{ 2048278366Sadrian /* Ignore */ 2049278366Sadrian} 2050278366Sadrian 2051278366Sadrianstatic void 2052278366Sadrianwpi_tx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 2053278366Sadrian{ 2054173362Sbenjsc struct wpi_tx_ring *ring = &sc->txq[desc->qid & 0x3]; 2055278366Sadrian struct wpi_tx_data *data = &ring->data[desc->idx]; 2056173362Sbenjsc struct wpi_tx_stat *stat = (struct wpi_tx_stat *)(desc + 1); 2057278366Sadrian struct mbuf *m; 2058278366Sadrian struct ieee80211_node *ni; 2059278366Sadrian struct ieee80211vap *vap; 2060280114Sadrian uint32_t status = le32toh(stat->status); 2061282369Sadrian int ackfailcnt = stat->ackfailcnt / WPI_NTRIES_DEFAULT; 2062173362Sbenjsc 2063278366Sadrian KASSERT(data->ni != NULL, ("no node")); 2064280100Sadrian KASSERT(data->m != NULL, ("no mbuf")); 2065173362Sbenjsc 2066278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2067278366Sadrian 2068278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: " 2069278366Sadrian "qid %d idx %d retries %d btkillcnt %d rate %x duration %d " 2070282369Sadrian "status %x\n", __func__, desc->qid, desc->idx, stat->ackfailcnt, 2071278366Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), status); 2072278366Sadrian 2073278366Sadrian /* Unmap and free mbuf. */ 2074278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTWRITE); 2075278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 2076278366Sadrian m = data->m, data->m = NULL; 2077278366Sadrian ni = data->ni, data->ni = NULL; 2078278366Sadrian vap = ni->ni_vap; 2079278366Sadrian 2080173362Sbenjsc /* 2081173362Sbenjsc * Update rate control statistics for the node. 2082173362Sbenjsc */ 2083282378Sadrian if (status & WPI_TX_STATUS_FAIL) { 2084278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 2085278764Sadrian IEEE80211_RATECTL_TX_FAILURE, &ackfailcnt, NULL); 2086287197Sglebius } else 2087278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 2088278764Sadrian IEEE80211_RATECTL_TX_SUCCESS, &ackfailcnt, NULL); 2089173362Sbenjsc 2090282378Sadrian ieee80211_tx_complete(ni, m, (status & WPI_TX_STATUS_FAIL) != 0); 2091173362Sbenjsc 2092280112Sadrian WPI_TXQ_STATE_LOCK(sc); 2093288999Sadrian if (--ring->queued > 0) 2094280109Sadrian callout_reset(&sc->tx_timeout, 5*hz, wpi_tx_timeout, sc); 2095288999Sadrian else 2096280109Sadrian callout_stop(&sc->tx_timeout); 2097280112Sadrian WPI_TXQ_STATE_UNLOCK(sc); 2098280109Sadrian 2099278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2100173362Sbenjsc} 2101173362Sbenjsc 2102278366Sadrian/* 2103278366Sadrian * Process a "command done" firmware notification. This is where we wakeup 2104278366Sadrian * processes waiting for a synchronous command completion. 2105278366Sadrian */ 2106173362Sbenjscstatic void 2107278366Sadrianwpi_cmd_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 2108173362Sbenjsc{ 2109280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 2110173362Sbenjsc struct wpi_tx_data *data; 2111289006Sadrian struct wpi_tx_cmd *cmd; 2112173362Sbenjsc 2113280101Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "cmd notification qid %x idx %d flags %x " 2114280101Sadrian "type %s len %d\n", desc->qid, desc->idx, 2115278366Sadrian desc->flags, wpi_cmd_str(desc->type), 2116278366Sadrian le32toh(desc->len)); 2117173362Sbenjsc 2118280064Sadrian if ((desc->qid & WPI_RX_DESC_QID_MSK) != WPI_CMD_QUEUE_NUM) 2119278366Sadrian return; /* Not a command ack. */ 2120173362Sbenjsc 2121280075Sadrian KASSERT(ring->queued == 0, ("ring->queued must be 0")); 2122280075Sadrian 2123173362Sbenjsc data = &ring->data[desc->idx]; 2124289006Sadrian cmd = &ring->cmd[desc->idx]; 2125173362Sbenjsc 2126278366Sadrian /* If the command was mapped in an mbuf, free it. */ 2127173362Sbenjsc if (data->m != NULL) { 2128278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 2129278366Sadrian BUS_DMASYNC_POSTWRITE); 2130173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 2131173362Sbenjsc m_freem(data->m); 2132173362Sbenjsc data->m = NULL; 2133173362Sbenjsc } 2134173362Sbenjsc 2135289006Sadrian wakeup(cmd); 2136282400Sadrian 2137282400Sadrian if (desc->type == WPI_CMD_SET_POWER_MODE) { 2138289006Sadrian struct wpi_pmgt_cmd *pcmd = (struct wpi_pmgt_cmd *)cmd->data; 2139289006Sadrian 2140289006Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2141289006Sadrian BUS_DMASYNC_POSTREAD); 2142289006Sadrian 2143282400Sadrian WPI_TXQ_LOCK(sc); 2144289006Sadrian if (le16toh(pcmd->flags) & WPI_PS_ALLOW_SLEEP) { 2145282400Sadrian sc->sc_update_rx_ring = wpi_update_rx_ring_ps; 2146282400Sadrian sc->sc_update_tx_ring = wpi_update_tx_ring_ps; 2147282400Sadrian } else { 2148282400Sadrian sc->sc_update_rx_ring = wpi_update_rx_ring; 2149282400Sadrian sc->sc_update_tx_ring = wpi_update_tx_ring; 2150282400Sadrian } 2151282400Sadrian WPI_TXQ_UNLOCK(sc); 2152282400Sadrian } 2153173362Sbenjsc} 2154173362Sbenjsc 2155173362Sbenjscstatic void 2156173362Sbenjscwpi_notif_intr(struct wpi_softc *sc) 2157173362Sbenjsc{ 2158287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 2159278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2160280114Sadrian uint32_t hw; 2161173362Sbenjsc 2162216523Sbschmidt bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 2163216523Sbschmidt BUS_DMASYNC_POSTREAD); 2164216523Sbschmidt 2165282398Sadrian hw = le32toh(sc->shared->next) & 0xfff; 2166278366Sadrian hw = (hw == 0) ? WPI_RX_RING_COUNT - 1 : hw - 1; 2167216523Sbschmidt 2168278764Sadrian while (sc->rxq.cur != hw) { 2169278366Sadrian sc->rxq.cur = (sc->rxq.cur + 1) % WPI_RX_RING_COUNT; 2170278366Sadrian 2171278366Sadrian struct wpi_rx_data *data = &sc->rxq.data[sc->rxq.cur]; 2172278366Sadrian struct wpi_rx_desc *desc; 2173278366Sadrian 2174216523Sbschmidt bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2175216523Sbschmidt BUS_DMASYNC_POSTREAD); 2176278366Sadrian desc = mtod(data->m, struct wpi_rx_desc *); 2177173362Sbenjsc 2178278366Sadrian DPRINTF(sc, WPI_DEBUG_NOTIFY, 2179278366Sadrian "%s: cur=%d; qid %x idx %d flags %x type %d(%s) len %d\n", 2180278366Sadrian __func__, sc->rxq.cur, desc->qid, desc->idx, desc->flags, 2181278366Sadrian desc->type, wpi_cmd_str(desc->type), le32toh(desc->len)); 2182173362Sbenjsc 2183280064Sadrian if (!(desc->qid & WPI_UNSOLICITED_RX_NOTIF)) { 2184280064Sadrian /* Reply to a command. */ 2185278366Sadrian wpi_cmd_done(sc, desc); 2186280064Sadrian } 2187173362Sbenjsc 2188173362Sbenjsc switch (desc->type) { 2189173362Sbenjsc case WPI_RX_DONE: 2190278366Sadrian /* An 802.11 frame has been received. */ 2191278366Sadrian wpi_rx_done(sc, desc, data); 2192280055Sadrian 2193289008Sadrian if (__predict_false(sc->sc_running == 0)) { 2194280055Sadrian /* wpi_stop() was called. */ 2195280055Sadrian return; 2196280055Sadrian } 2197280055Sadrian 2198173362Sbenjsc break; 2199173362Sbenjsc 2200173362Sbenjsc case WPI_TX_DONE: 2201278366Sadrian /* An 802.11 frame has been transmitted. */ 2202278366Sadrian wpi_tx_done(sc, desc); 2203173362Sbenjsc break; 2204173362Sbenjsc 2205278366Sadrian case WPI_RX_STATISTICS: 2206278366Sadrian case WPI_BEACON_STATISTICS: 2207278366Sadrian wpi_rx_statistics(sc, desc, data); 2208278366Sadrian break; 2209278366Sadrian 2210278366Sadrian case WPI_BEACON_MISSED: 2211278366Sadrian { 2212278366Sadrian struct wpi_beacon_missed *miss = 2213278366Sadrian (struct wpi_beacon_missed *)(desc + 1); 2214282389Sadrian uint32_t expected, misses, received, threshold; 2215278366Sadrian 2216278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2217278366Sadrian BUS_DMASYNC_POSTREAD); 2218282388Sadrian 2219278366Sadrian misses = le32toh(miss->consecutive); 2220282388Sadrian expected = le32toh(miss->expected); 2221282388Sadrian received = le32toh(miss->received); 2222282389Sadrian threshold = MAX(2, vap->iv_bmissthreshold); 2223278366Sadrian 2224282387Sadrian DPRINTF(sc, WPI_DEBUG_BMISS, 2225282390Sadrian "%s: beacons missed %u(%u) (received %u/%u)\n", 2226282390Sadrian __func__, misses, le32toh(miss->total), received, 2227282390Sadrian expected); 2228278366Sadrian 2229282392Sadrian if (misses >= threshold || 2230282392Sadrian (received == 0 && expected >= threshold)) { 2231282392Sadrian WPI_RXON_LOCK(sc); 2232282392Sadrian if (callout_pending(&sc->scan_timeout)) { 2233282392Sadrian wpi_cmd(sc, WPI_CMD_SCAN_ABORT, NULL, 2234282392Sadrian 0, 1); 2235282392Sadrian } 2236282392Sadrian WPI_RXON_UNLOCK(sc); 2237282392Sadrian if (vap->iv_state == IEEE80211_S_RUN && 2238282392Sadrian (ic->ic_flags & IEEE80211_F_SCAN) == 0) 2239282392Sadrian ieee80211_beacon_miss(ic); 2240282392Sadrian } 2241280116Sadrian 2242278366Sadrian break; 2243278366Sadrian } 2244282393Sadrian#ifdef WPI_DEBUG 2245282393Sadrian case WPI_BEACON_SENT: 2246282393Sadrian { 2247282393Sadrian struct wpi_tx_stat *stat = 2248282393Sadrian (struct wpi_tx_stat *)(desc + 1); 2249282393Sadrian uint64_t *tsf = (uint64_t *)(stat + 1); 2250282393Sadrian uint32_t *mode = (uint32_t *)(tsf + 1); 2251282393Sadrian 2252282393Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2253282393Sadrian BUS_DMASYNC_POSTREAD); 2254282393Sadrian 2255282393Sadrian DPRINTF(sc, WPI_DEBUG_BEACON, 2256282393Sadrian "beacon sent: rts %u, ack %u, btkill %u, rate %u, " 2257282393Sadrian "duration %u, status %x, tsf %ju, mode %x\n", 2258282393Sadrian stat->rtsfailcnt, stat->ackfailcnt, 2259282393Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), 2260289011Sadrian le32toh(stat->status), le64toh(*tsf), 2261289011Sadrian le32toh(*mode)); 2262282393Sadrian 2263282393Sadrian break; 2264282393Sadrian } 2265282393Sadrian#endif 2266173362Sbenjsc case WPI_UC_READY: 2267173362Sbenjsc { 2268173362Sbenjsc struct wpi_ucode_info *uc = 2269278366Sadrian (struct wpi_ucode_info *)(desc + 1); 2270173362Sbenjsc 2271278366Sadrian /* The microcontroller is ready. */ 2272278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2273278366Sadrian BUS_DMASYNC_POSTREAD); 2274278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, 2275278366Sadrian "microcode alive notification version=%d.%d " 2276278366Sadrian "subtype=%x alive=%x\n", uc->major, uc->minor, 2277278366Sadrian uc->subtype, le32toh(uc->valid)); 2278173362Sbenjsc 2279173362Sbenjsc if (le32toh(uc->valid) != 1) { 2280173362Sbenjsc device_printf(sc->sc_dev, 2281173362Sbenjsc "microcontroller initialization failed\n"); 2282173362Sbenjsc wpi_stop_locked(sc); 2283287197Sglebius return; 2284173362Sbenjsc } 2285278366Sadrian /* Save the address of the error log in SRAM. */ 2286278366Sadrian sc->errptr = le32toh(uc->errptr); 2287173362Sbenjsc break; 2288173362Sbenjsc } 2289173362Sbenjsc case WPI_STATE_CHANGED: 2290173362Sbenjsc { 2291280059Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2292280059Sadrian BUS_DMASYNC_POSTREAD); 2293278366Sadrian 2294173362Sbenjsc uint32_t *status = (uint32_t *)(desc + 1); 2295278764Sadrian 2296278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "state changed to %x\n", 2297278366Sadrian le32toh(*status)); 2298278764Sadrian 2299173362Sbenjsc if (le32toh(*status) & 1) { 2300280077Sadrian WPI_NT_LOCK(sc); 2301280069Sadrian wpi_clear_node_table(sc); 2302280077Sadrian WPI_NT_UNLOCK(sc); 2303297173Savos ieee80211_runtask(ic, 2304282377Sadrian &sc->sc_radiooff_task); 2305278366Sadrian return; 2306173362Sbenjsc } 2307173362Sbenjsc break; 2308173362Sbenjsc } 2309282395Sadrian#ifdef WPI_DEBUG 2310173362Sbenjsc case WPI_START_SCAN: 2311173362Sbenjsc { 2312278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2313278366Sadrian BUS_DMASYNC_POSTREAD); 2314282395Sadrian 2315173362Sbenjsc struct wpi_start_scan *scan = 2316278366Sadrian (struct wpi_start_scan *)(desc + 1); 2317278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2318278366Sadrian "%s: scanning channel %d status %x\n", 2319278366Sadrian __func__, scan->chan, le32toh(scan->status)); 2320282395Sadrian 2321173362Sbenjsc break; 2322173362Sbenjsc } 2323282395Sadrian#endif 2324173362Sbenjsc case WPI_STOP_SCAN: 2325173362Sbenjsc { 2326278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2327278366Sadrian BUS_DMASYNC_POSTREAD); 2328282392Sadrian 2329173362Sbenjsc struct wpi_stop_scan *scan = 2330278366Sadrian (struct wpi_stop_scan *)(desc + 1); 2331282392Sadrian 2332278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2333278366Sadrian "scan finished nchan=%d status=%d chan=%d\n", 2334278366Sadrian scan->nchan, scan->status, scan->chan); 2335282392Sadrian 2336280108Sadrian WPI_RXON_LOCK(sc); 2337280106Sadrian callout_stop(&sc->scan_timeout); 2338280108Sadrian WPI_RXON_UNLOCK(sc); 2339282392Sadrian if (scan->status == WPI_SCAN_ABORTED) 2340282392Sadrian ieee80211_cancel_scan(vap); 2341282392Sadrian else 2342282392Sadrian ieee80211_scan_next(vap); 2343173362Sbenjsc break; 2344173362Sbenjsc } 2345278366Sadrian } 2346280119Sadrian 2347280119Sadrian if (sc->rxq.cur % 8 == 0) { 2348280119Sadrian /* Tell the firmware what we have processed. */ 2349282400Sadrian sc->sc_update_rx_ring(sc); 2350280119Sadrian } 2351278764Sadrian } 2352278366Sadrian} 2353278366Sadrian 2354278366Sadrian/* 2355278366Sadrian * Process an INT_WAKEUP interrupt raised when the microcontroller wakes up 2356278366Sadrian * from power-down sleep mode. 2357278366Sadrian */ 2358280059Sadrianstatic void 2359278366Sadrianwpi_wakeup_intr(struct wpi_softc *sc) 2360278366Sadrian{ 2361278366Sadrian int qid; 2362278366Sadrian 2363278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 2364278366Sadrian "%s: ucode wakeup from power-down sleep\n", __func__); 2365278366Sadrian 2366278366Sadrian /* Wakeup RX and TX rings. */ 2367278366Sadrian if (sc->rxq.update) { 2368278764Sadrian sc->rxq.update = 0; 2369278366Sadrian wpi_update_rx_ring(sc); 2370278366Sadrian } 2371280071Sadrian WPI_TXQ_LOCK(sc); 2372280058Sadrian for (qid = 0; qid < WPI_DRV_NTXQUEUES; qid++) { 2373278366Sadrian struct wpi_tx_ring *ring = &sc->txq[qid]; 2374278366Sadrian 2375278366Sadrian if (ring->update) { 2376278764Sadrian ring->update = 0; 2377278366Sadrian wpi_update_tx_ring(sc, ring); 2378173362Sbenjsc } 2379278366Sadrian } 2380282400Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 2381280071Sadrian WPI_TXQ_UNLOCK(sc); 2382278366Sadrian} 2383278366Sadrian 2384278366Sadrian/* 2385280093Sadrian * This function prints firmware registers 2386280093Sadrian */ 2387280093Sadrian#ifdef WPI_DEBUG 2388280093Sadrianstatic void 2389280093Sadrianwpi_debug_registers(struct wpi_softc *sc) 2390280093Sadrian{ 2391282398Sadrian size_t i; 2392280093Sadrian static const uint32_t csr_tbl[] = { 2393280093Sadrian WPI_HW_IF_CONFIG, 2394280093Sadrian WPI_INT, 2395280093Sadrian WPI_INT_MASK, 2396280093Sadrian WPI_FH_INT, 2397280093Sadrian WPI_GPIO_IN, 2398280093Sadrian WPI_RESET, 2399280093Sadrian WPI_GP_CNTRL, 2400280093Sadrian WPI_EEPROM, 2401280093Sadrian WPI_EEPROM_GP, 2402280093Sadrian WPI_GIO, 2403280093Sadrian WPI_UCODE_GP1, 2404280093Sadrian WPI_UCODE_GP2, 2405280093Sadrian WPI_GIO_CHICKEN, 2406280093Sadrian WPI_ANA_PLL, 2407280093Sadrian WPI_DBG_HPET_MEM, 2408280093Sadrian }; 2409280093Sadrian static const uint32_t prph_tbl[] = { 2410280093Sadrian WPI_APMG_CLK_CTRL, 2411280093Sadrian WPI_APMG_PS, 2412280093Sadrian WPI_APMG_PCI_STT, 2413280093Sadrian WPI_APMG_RFKILL, 2414280093Sadrian }; 2415280093Sadrian 2416280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER,"%s","\n"); 2417280093Sadrian 2418282396Sadrian for (i = 0; i < nitems(csr_tbl); i++) { 2419280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, " %-18s: 0x%08x ", 2420280093Sadrian wpi_get_csr_string(csr_tbl[i]), WPI_READ(sc, csr_tbl[i])); 2421280093Sadrian 2422280093Sadrian if ((i + 1) % 2 == 0) 2423280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2424280093Sadrian } 2425280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n\n"); 2426280093Sadrian 2427280093Sadrian if (wpi_nic_lock(sc) == 0) { 2428282396Sadrian for (i = 0; i < nitems(prph_tbl); i++) { 2429280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, " %-18s: 0x%08x ", 2430280093Sadrian wpi_get_prph_string(prph_tbl[i]), 2431280093Sadrian wpi_prph_read(sc, prph_tbl[i])); 2432280093Sadrian 2433280093Sadrian if ((i + 1) % 2 == 0) 2434280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2435280093Sadrian } 2436280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2437280093Sadrian wpi_nic_unlock(sc); 2438280093Sadrian } else { 2439280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, 2440280093Sadrian "Cannot access internal registers.\n"); 2441280093Sadrian } 2442280093Sadrian} 2443280093Sadrian#endif 2444280093Sadrian 2445280093Sadrian/* 2446278366Sadrian * Dump the error log of the firmware when a firmware panic occurs. Although 2447278366Sadrian * we can't debug the firmware because it is neither open source nor free, it 2448278366Sadrian * can help us to identify certain classes of problems. 2449278366Sadrian */ 2450278366Sadrianstatic void 2451278366Sadrianwpi_fatal_intr(struct wpi_softc *sc) 2452278366Sadrian{ 2453278366Sadrian struct wpi_fw_dump dump; 2454278366Sadrian uint32_t i, offset, count; 2455278366Sadrian 2456278366Sadrian /* Check that the error log address is valid. */ 2457278366Sadrian if (sc->errptr < WPI_FW_DATA_BASE || 2458278366Sadrian sc->errptr + sizeof (dump) > 2459278366Sadrian WPI_FW_DATA_BASE + WPI_FW_DATA_MAXSZ) { 2460278366Sadrian printf("%s: bad firmware error log address 0x%08x\n", __func__, 2461278366Sadrian sc->errptr); 2462280059Sadrian return; 2463280059Sadrian } 2464278366Sadrian if (wpi_nic_lock(sc) != 0) { 2465278366Sadrian printf("%s: could not read firmware error log\n", __func__); 2466280059Sadrian return; 2467280059Sadrian } 2468278366Sadrian /* Read number of entries in the log. */ 2469278366Sadrian count = wpi_mem_read(sc, sc->errptr); 2470278366Sadrian if (count == 0 || count * sizeof (dump) > WPI_FW_DATA_MAXSZ) { 2471278366Sadrian printf("%s: invalid count field (count = %u)\n", __func__, 2472278366Sadrian count); 2473278366Sadrian wpi_nic_unlock(sc); 2474278366Sadrian return; 2475173362Sbenjsc } 2476278366Sadrian /* Skip "count" field. */ 2477278366Sadrian offset = sc->errptr + sizeof (uint32_t); 2478278366Sadrian printf("firmware error log (count = %u):\n", count); 2479278366Sadrian for (i = 0; i < count; i++) { 2480278366Sadrian wpi_mem_read_region_4(sc, offset, (uint32_t *)&dump, 2481278366Sadrian sizeof (dump) / sizeof (uint32_t)); 2482173362Sbenjsc 2483278366Sadrian printf(" error type = \"%s\" (0x%08X)\n", 2484282396Sadrian (dump.desc < nitems(wpi_fw_errmsg)) ? 2485278366Sadrian wpi_fw_errmsg[dump.desc] : "UNKNOWN", 2486278366Sadrian dump.desc); 2487278366Sadrian printf(" error data = 0x%08X\n", 2488278366Sadrian dump.data); 2489278366Sadrian printf(" branch link = 0x%08X%08X\n", 2490278366Sadrian dump.blink[0], dump.blink[1]); 2491278366Sadrian printf(" interrupt link = 0x%08X%08X\n", 2492278366Sadrian dump.ilink[0], dump.ilink[1]); 2493278366Sadrian printf(" time = %u\n", dump.time); 2494278366Sadrian 2495278366Sadrian offset += sizeof (dump); 2496278366Sadrian } 2497278366Sadrian wpi_nic_unlock(sc); 2498278366Sadrian /* Dump driver status (TX and RX rings) while we're here. */ 2499278366Sadrian printf("driver status:\n"); 2500280071Sadrian WPI_TXQ_LOCK(sc); 2501280058Sadrian for (i = 0; i < WPI_DRV_NTXQUEUES; i++) { 2502278366Sadrian struct wpi_tx_ring *ring = &sc->txq[i]; 2503278366Sadrian printf(" tx ring %2d: qid=%-2d cur=%-3d queued=%-3d\n", 2504278366Sadrian i, ring->qid, ring->cur, ring->queued); 2505278366Sadrian } 2506280071Sadrian WPI_TXQ_UNLOCK(sc); 2507278366Sadrian printf(" rx ring: cur=%d\n", sc->rxq.cur); 2508173362Sbenjsc} 2509173362Sbenjsc 2510173362Sbenjscstatic void 2511173362Sbenjscwpi_intr(void *arg) 2512173362Sbenjsc{ 2513173362Sbenjsc struct wpi_softc *sc = arg; 2514278366Sadrian uint32_t r1, r2; 2515173362Sbenjsc 2516173362Sbenjsc WPI_LOCK(sc); 2517173362Sbenjsc 2518278366Sadrian /* Disable interrupts. */ 2519278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 2520278366Sadrian 2521278366Sadrian r1 = WPI_READ(sc, WPI_INT); 2522278366Sadrian 2523289008Sadrian if (__predict_false(r1 == 0xffffffff || 2524289008Sadrian (r1 & 0xfffffff0) == 0xa5a5a5a0)) 2525280065Sadrian goto end; /* Hardware gone! */ 2526173362Sbenjsc 2527278366Sadrian r2 = WPI_READ(sc, WPI_FH_INT); 2528173362Sbenjsc 2529278366Sadrian DPRINTF(sc, WPI_DEBUG_INTR, "%s: reg1=0x%08x reg2=0x%08x\n", __func__, 2530278366Sadrian r1, r2); 2531278366Sadrian 2532278366Sadrian if (r1 == 0 && r2 == 0) 2533278366Sadrian goto done; /* Interrupt not for us. */ 2534278366Sadrian 2535278366Sadrian /* Acknowledge interrupts. */ 2536278366Sadrian WPI_WRITE(sc, WPI_INT, r1); 2537278366Sadrian WPI_WRITE(sc, WPI_FH_INT, r2); 2538278366Sadrian 2539289008Sadrian if (__predict_false(r1 & (WPI_INT_SW_ERR | WPI_INT_HW_ERR))) { 2540297173Savos struct ieee80211com *ic = &sc->sc_ic; 2541297173Savos 2542173362Sbenjsc device_printf(sc->sc_dev, "fatal firmware error\n"); 2543280093Sadrian#ifdef WPI_DEBUG 2544280093Sadrian wpi_debug_registers(sc); 2545280093Sadrian#endif 2546278366Sadrian wpi_fatal_intr(sc); 2547278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 2548278366Sadrian "(%s)\n", (r1 & WPI_INT_SW_ERR) ? "(Software Error)" : 2549278366Sadrian "(Hardware Error)"); 2550297173Savos ieee80211_restart_all(ic); 2551280065Sadrian goto end; 2552173362Sbenjsc } 2553173362Sbenjsc 2554278366Sadrian if ((r1 & (WPI_INT_FH_RX | WPI_INT_SW_RX)) || 2555278366Sadrian (r2 & WPI_FH_INT_RX)) 2556173362Sbenjsc wpi_notif_intr(sc); 2557173362Sbenjsc 2558278366Sadrian if (r1 & WPI_INT_ALIVE) 2559278366Sadrian wakeup(sc); /* Firmware is alive. */ 2560173362Sbenjsc 2561278366Sadrian if (r1 & WPI_INT_WAKEUP) 2562278366Sadrian wpi_wakeup_intr(sc); 2563173362Sbenjsc 2564278366Sadriandone: 2565278366Sadrian /* Re-enable interrupts. */ 2566289008Sadrian if (__predict_true(sc->sc_running)) 2567278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 2568278366Sadrian 2569280065Sadrianend: WPI_UNLOCK(sc); 2570173362Sbenjsc} 2571173362Sbenjsc 2572289163Sadrianstatic void 2573289163Sadrianwpi_free_txfrags(struct wpi_softc *sc, uint16_t ac) 2574289163Sadrian{ 2575289163Sadrian struct wpi_tx_ring *ring; 2576289163Sadrian struct wpi_tx_data *data; 2577289163Sadrian uint8_t cur; 2578289163Sadrian 2579289163Sadrian WPI_TXQ_LOCK(sc); 2580289163Sadrian ring = &sc->txq[ac]; 2581289163Sadrian 2582289163Sadrian while (ring->pending != 0) { 2583289163Sadrian ring->pending--; 2584289163Sadrian cur = (ring->cur + ring->pending) % WPI_TX_RING_COUNT; 2585289163Sadrian data = &ring->data[cur]; 2586289163Sadrian 2587289163Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 2588289163Sadrian BUS_DMASYNC_POSTWRITE); 2589289163Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 2590289163Sadrian m_freem(data->m); 2591289163Sadrian data->m = NULL; 2592289163Sadrian 2593289163Sadrian ieee80211_node_decref(data->ni); 2594289163Sadrian data->ni = NULL; 2595289163Sadrian } 2596289163Sadrian 2597289163Sadrian WPI_TXQ_UNLOCK(sc); 2598289163Sadrian} 2599289163Sadrian 2600278366Sadrianstatic int 2601278366Sadrianwpi_cmd2(struct wpi_softc *sc, struct wpi_buf *buf) 2602173362Sbenjsc{ 2603278366Sadrian struct ieee80211_frame *wh; 2604278366Sadrian struct wpi_tx_cmd *cmd; 2605278366Sadrian struct wpi_tx_data *data; 2606278366Sadrian struct wpi_tx_desc *desc; 2607278366Sadrian struct wpi_tx_ring *ring; 2608278366Sadrian struct mbuf *m1; 2609278366Sadrian bus_dma_segment_t *seg, segs[WPI_MAX_SCATTER]; 2610289163Sadrian uint8_t cur, pad; 2611289124Sadrian uint16_t hdrlen; 2612289163Sadrian int error, i, nsegs, totlen, frag; 2613173362Sbenjsc 2614280071Sadrian WPI_TXQ_LOCK(sc); 2615280071Sadrian 2616280082Sadrian KASSERT(buf->size <= sizeof(buf->data), ("buffer overflow")); 2617280082Sadrian 2618278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2619278366Sadrian 2620289008Sadrian if (__predict_false(sc->sc_running == 0)) { 2621280071Sadrian /* wpi_stop() was called */ 2622280071Sadrian error = ENETDOWN; 2623289128Sadrian goto end; 2624280071Sadrian } 2625280071Sadrian 2626278366Sadrian wh = mtod(buf->m, struct ieee80211_frame *); 2627279763Sadrian hdrlen = ieee80211_anyhdrsize(wh); 2628278366Sadrian totlen = buf->m->m_pkthdr.len; 2629289163Sadrian frag = ((buf->m->m_flags & (M_FRAG | M_LASTFRAG)) == M_FRAG); 2630278366Sadrian 2631289012Sadrian if (__predict_false(totlen < sizeof(struct ieee80211_frame_min))) { 2632289012Sadrian error = EINVAL; 2633289128Sadrian goto end; 2634289012Sadrian } 2635289012Sadrian 2636279763Sadrian if (hdrlen & 3) { 2637279763Sadrian /* First segment length must be a multiple of 4. */ 2638279763Sadrian pad = 4 - (hdrlen & 3); 2639279763Sadrian } else 2640279763Sadrian pad = 0; 2641279763Sadrian 2642278366Sadrian ring = &sc->txq[buf->ac]; 2643289163Sadrian cur = (ring->cur + ring->pending) % WPI_TX_RING_COUNT; 2644289163Sadrian desc = &ring->desc[cur]; 2645289163Sadrian data = &ring->data[cur]; 2646278366Sadrian 2647278366Sadrian /* Prepare TX firmware command. */ 2648289163Sadrian cmd = &ring->cmd[cur]; 2649278366Sadrian cmd->code = buf->code; 2650278366Sadrian cmd->flags = 0; 2651278366Sadrian cmd->qid = ring->qid; 2652289163Sadrian cmd->idx = cur; 2653278366Sadrian 2654278366Sadrian memcpy(cmd->data, buf->data, buf->size); 2655278366Sadrian 2656278366Sadrian /* Save and trim IEEE802.11 header. */ 2657279763Sadrian memcpy((uint8_t *)(cmd->data + buf->size), wh, hdrlen); 2658279763Sadrian m_adj(buf->m, hdrlen); 2659278366Sadrian 2660278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, buf->m, 2661278366Sadrian segs, &nsegs, BUS_DMA_NOWAIT); 2662278366Sadrian if (error != 0 && error != EFBIG) { 2663278366Sadrian device_printf(sc->sc_dev, 2664278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, error); 2665289128Sadrian goto end; 2666173362Sbenjsc } 2667278366Sadrian if (error != 0) { 2668278366Sadrian /* Too many DMA segments, linearize mbuf. */ 2669280050Sadrian m1 = m_collapse(buf->m, M_NOWAIT, WPI_MAX_SCATTER - 1); 2670278366Sadrian if (m1 == NULL) { 2671278366Sadrian device_printf(sc->sc_dev, 2672278366Sadrian "%s: could not defrag mbuf\n", __func__); 2673280071Sadrian error = ENOBUFS; 2674289128Sadrian goto end; 2675278366Sadrian } 2676278366Sadrian buf->m = m1; 2677278366Sadrian 2678278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, 2679278366Sadrian buf->m, segs, &nsegs, BUS_DMA_NOWAIT); 2680289008Sadrian if (__predict_false(error != 0)) { 2681289128Sadrian /* XXX fix this (applicable to the iwn(4) too) */ 2682289128Sadrian /* 2683289128Sadrian * NB: Do not return error; 2684289128Sadrian * original mbuf does not exist anymore. 2685289128Sadrian */ 2686278366Sadrian device_printf(sc->sc_dev, 2687280066Sadrian "%s: can't map mbuf (error %d)\n", __func__, 2688280066Sadrian error); 2689289128Sadrian if (ring->qid < WPI_CMD_QUEUE_NUM) { 2690289128Sadrian if_inc_counter(buf->ni->ni_vap->iv_ifp, 2691289128Sadrian IFCOUNTER_OERRORS, 1); 2692289163Sadrian if (!frag) 2693289163Sadrian ieee80211_free_node(buf->ni); 2694289128Sadrian } 2695289128Sadrian m_freem(buf->m); 2696289128Sadrian error = 0; 2697289128Sadrian goto end; 2698278366Sadrian } 2699278366Sadrian } 2700278366Sadrian 2701280050Sadrian KASSERT(nsegs < WPI_MAX_SCATTER, 2702280050Sadrian ("too many DMA segments, nsegs (%d) should be less than %d", 2703280050Sadrian nsegs, WPI_MAX_SCATTER)); 2704280050Sadrian 2705278366Sadrian data->m = buf->m; 2706278366Sadrian data->ni = buf->ni; 2707278366Sadrian 2708278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: qid %d idx %d len %d nsegs %d\n", 2709289163Sadrian __func__, ring->qid, cur, totlen, nsegs); 2710278366Sadrian 2711278366Sadrian /* Fill TX descriptor. */ 2712279763Sadrian desc->nsegs = WPI_PAD32(totlen + pad) << 4 | (1 + nsegs); 2713278366Sadrian /* First DMA segment is used by the TX command. */ 2714278366Sadrian desc->segs[0].addr = htole32(data->cmd_paddr); 2715279763Sadrian desc->segs[0].len = htole32(4 + buf->size + hdrlen + pad); 2716278366Sadrian /* Other DMA segments are for data payload. */ 2717278366Sadrian seg = &segs[0]; 2718278366Sadrian for (i = 1; i <= nsegs; i++) { 2719278366Sadrian desc->segs[i].addr = htole32(seg->ds_addr); 2720278366Sadrian desc->segs[i].len = htole32(seg->ds_len); 2721278366Sadrian seg++; 2722278366Sadrian } 2723278366Sadrian 2724278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); 2725278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2726278366Sadrian BUS_DMASYNC_PREWRITE); 2727278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2728278366Sadrian BUS_DMASYNC_PREWRITE); 2729278366Sadrian 2730289163Sadrian ring->pending += 1; 2731278366Sadrian 2732289163Sadrian if (!frag) { 2733289163Sadrian if (ring->qid < WPI_CMD_QUEUE_NUM) { 2734289163Sadrian WPI_TXQ_STATE_LOCK(sc); 2735289163Sadrian ring->queued += ring->pending; 2736289163Sadrian callout_reset(&sc->tx_timeout, 5*hz, wpi_tx_timeout, 2737289163Sadrian sc); 2738289163Sadrian WPI_TXQ_STATE_UNLOCK(sc); 2739289163Sadrian } 2740280074Sadrian 2741289163Sadrian /* Kick TX ring. */ 2742289163Sadrian ring->cur = (ring->cur + ring->pending) % WPI_TX_RING_COUNT; 2743289163Sadrian ring->pending = 0; 2744289163Sadrian sc->sc_update_tx_ring(sc, ring); 2745289163Sadrian } else 2746289163Sadrian ieee80211_node_incref(data->ni); 2747289163Sadrian 2748289128Sadrianend: DPRINTF(sc, WPI_DEBUG_TRACE, error ? TRACE_STR_END_ERR : TRACE_STR_END, 2749289128Sadrian __func__); 2750278366Sadrian 2751280071Sadrian WPI_TXQ_UNLOCK(sc); 2752280071Sadrian 2753289128Sadrian return (error); 2754173362Sbenjsc} 2755173362Sbenjsc 2756173362Sbenjsc/* 2757278366Sadrian * Construct the data packet for a transmit buffer. 2758173362Sbenjsc */ 2759173362Sbenjscstatic int 2760278366Sadrianwpi_tx_data(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2761173362Sbenjsc{ 2762278366Sadrian const struct ieee80211_txparam *tp; 2763178354Ssam struct ieee80211vap *vap = ni->ni_vap; 2764278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2765280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 2766278366Sadrian struct ieee80211_channel *chan; 2767173362Sbenjsc struct ieee80211_frame *wh; 2768278366Sadrian struct ieee80211_key *k = NULL; 2769278366Sadrian struct wpi_buf tx_data; 2770280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2771278366Sadrian uint32_t flags; 2772289124Sadrian uint16_t ac, qos; 2773289124Sadrian uint8_t tid, type, rate; 2774289128Sadrian int swcrypt, ismcast, totlen; 2775173362Sbenjsc 2776278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2777278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2778278366Sadrian ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 2779289010Sadrian swcrypt = 1; 2780173362Sbenjsc 2781278366Sadrian /* Select EDCA Access Category and TX ring for this frame. */ 2782278366Sadrian if (IEEE80211_QOS_HAS_SEQ(wh)) { 2783282391Sadrian qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 2784278366Sadrian tid = qos & IEEE80211_QOS_TID; 2785278366Sadrian } else { 2786278366Sadrian qos = 0; 2787278366Sadrian tid = 0; 2788280059Sadrian } 2789278366Sadrian ac = M_WME_GETAC(m); 2790173362Sbenjsc 2791278366Sadrian chan = (ni->ni_chan != IEEE80211_CHAN_ANYC) ? 2792278366Sadrian ni->ni_chan : ic->ic_curchan; 2793278366Sadrian tp = &vap->iv_txparms[ieee80211_chan2mode(chan)]; 2794173362Sbenjsc 2795278366Sadrian /* Choose a TX rate index. */ 2796278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) 2797278366Sadrian rate = tp->mgmtrate; 2798278366Sadrian else if (ismcast) 2799278366Sadrian rate = tp->mcastrate; 2800278366Sadrian else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2801278366Sadrian rate = tp->ucastrate; 2802278366Sadrian else if (m->m_flags & M_EAPOL) 2803278366Sadrian rate = tp->mgmtrate; 2804278366Sadrian else { 2805278366Sadrian /* XXX pass pktlen */ 2806278366Sadrian (void) ieee80211_ratectl_rate(ni, NULL, 0); 2807278366Sadrian rate = ni->ni_txrate; 2808278366Sadrian } 2809278366Sadrian 2810278366Sadrian /* Encrypt the frame if need be. */ 2811260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2812278366Sadrian /* Retrieve key for TX. */ 2813278366Sadrian k = ieee80211_crypto_encap(ni, m); 2814289128Sadrian if (k == NULL) 2815289128Sadrian return (ENOBUFS); 2816289128Sadrian 2817280068Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2818280068Sadrian 2819278366Sadrian /* 802.11 header may have moved. */ 2820278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2821173362Sbenjsc } 2822279763Sadrian totlen = m->m_pkthdr.len; 2823173362Sbenjsc 2824278366Sadrian if (ieee80211_radiotap_active_vap(vap)) { 2825278366Sadrian struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2826173362Sbenjsc 2827279763Sadrian tap->wt_flags = 0; 2828278366Sadrian tap->wt_rate = rate; 2829278366Sadrian if (k != NULL) 2830278366Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2831289163Sadrian if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) 2832289163Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_FRAG; 2833173362Sbenjsc 2834278366Sadrian ieee80211_radiotap_tx(vap, m); 2835278366Sadrian } 2836278366Sadrian 2837278366Sadrian flags = 0; 2838177119Ssam if (!ismcast) { 2839278366Sadrian /* Unicast frame, check if an ACK is expected. */ 2840278366Sadrian if (!qos || (qos & IEEE80211_QOS_ACKPOLICY) != 2841278366Sadrian IEEE80211_QOS_ACKPOLICY_NOACK) 2842278366Sadrian flags |= WPI_TX_NEED_ACK; 2843278366Sadrian } 2844278366Sadrian 2845282399Sadrian if (!IEEE80211_QOS_HAS_SEQ(wh)) 2846282399Sadrian flags |= WPI_TX_AUTO_SEQ; 2847278764Sadrian if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) 2848289163Sadrian flags |= WPI_TX_MORE_FRAG; 2849278764Sadrian 2850278366Sadrian /* Check if frame must be protected using RTS/CTS or CTS-to-self. */ 2851278366Sadrian if (!ismcast) { 2852278366Sadrian /* NB: Group frames are sent using CCK in 802.11b/g. */ 2853278366Sadrian if (totlen + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) { 2854278366Sadrian flags |= WPI_TX_NEED_RTS; 2855278366Sadrian } else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2856278366Sadrian WPI_RATE_IS_OFDM(rate)) { 2857278366Sadrian if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2858278366Sadrian flags |= WPI_TX_NEED_CTS; 2859278366Sadrian else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2860278366Sadrian flags |= WPI_TX_NEED_RTS; 2861177043Sthompsa } 2862278366Sadrian 2863278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2864278366Sadrian flags |= WPI_TX_FULL_TXOP; 2865173362Sbenjsc } 2866278366Sadrian 2867280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2868278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2869173362Sbenjsc uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2870278366Sadrian 2871278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2872173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2873278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2874173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2875177043Sthompsa subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2876280082Sadrian tx->timeout = htole16(3); 2877173362Sbenjsc else 2878280082Sadrian tx->timeout = htole16(2); 2879177043Sthompsa } 2880173362Sbenjsc 2881278366Sadrian if (ismcast || type != IEEE80211_FC0_TYPE_DATA) 2882280082Sadrian tx->id = WPI_ID_BROADCAST; 2883278366Sadrian else { 2884278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 2885278366Sadrian device_printf(sc->sc_dev, 2886278366Sadrian "%s: undefined node id\n", __func__); 2887289128Sadrian return (EINVAL); 2888278366Sadrian } 2889278366Sadrian 2890280082Sadrian tx->id = wn->id; 2891278366Sadrian } 2892278366Sadrian 2893289010Sadrian if (!swcrypt) { 2894280068Sadrian switch (k->wk_cipher->ic_cipher) { 2895280068Sadrian case IEEE80211_CIPHER_AES_CCM: 2896280082Sadrian tx->security = WPI_CIPHER_CCMP; 2897280068Sadrian break; 2898280068Sadrian 2899280068Sadrian default: 2900280068Sadrian break; 2901280068Sadrian } 2902280068Sadrian 2903280082Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 2904280068Sadrian } 2905280068Sadrian 2906289163Sadrian if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) { 2907289163Sadrian struct mbuf *next = m->m_nextpkt; 2908289163Sadrian 2909289163Sadrian tx->lnext = htole16(next->m_pkthdr.len); 2910289163Sadrian tx->fnext = htole32(tx->security | 2911289163Sadrian (flags & WPI_TX_NEED_ACK) | 2912289163Sadrian WPI_NEXT_STA_ID(tx->id)); 2913289163Sadrian } 2914289163Sadrian 2915280082Sadrian tx->len = htole16(totlen); 2916280082Sadrian tx->flags = htole32(flags); 2917280082Sadrian tx->plcp = rate2plcp(rate); 2918280082Sadrian tx->tid = tid; 2919280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 2920280082Sadrian tx->ofdm_mask = 0xff; 2921280082Sadrian tx->cck_mask = 0x0f; 2922280082Sadrian tx->rts_ntries = 7; 2923282373Sadrian tx->data_ntries = tp->maxretry; 2924278366Sadrian 2925278366Sadrian tx_data.ni = ni; 2926278366Sadrian tx_data.m = m; 2927280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 2928278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2929278366Sadrian tx_data.ac = ac; 2930278366Sadrian 2931278366Sadrian return wpi_cmd2(sc, &tx_data); 2932278366Sadrian} 2933278366Sadrian 2934278366Sadrianstatic int 2935280066Sadrianwpi_tx_data_raw(struct wpi_softc *sc, struct mbuf *m, 2936280066Sadrian struct ieee80211_node *ni, const struct ieee80211_bpf_params *params) 2937278366Sadrian{ 2938278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 2939280087Sadrian struct ieee80211_key *k = NULL; 2940278366Sadrian struct ieee80211_frame *wh; 2941278366Sadrian struct wpi_buf tx_data; 2942280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2943278366Sadrian uint32_t flags; 2944289124Sadrian uint8_t ac, type, rate; 2945289124Sadrian int swcrypt, totlen; 2946278366Sadrian 2947278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2948278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2949289010Sadrian swcrypt = 1; 2950278366Sadrian 2951278366Sadrian ac = params->ibp_pri & 3; 2952278366Sadrian 2953278366Sadrian /* Choose a TX rate index. */ 2954278366Sadrian rate = params->ibp_rate0; 2955278366Sadrian 2956278366Sadrian flags = 0; 2957282399Sadrian if (!IEEE80211_QOS_HAS_SEQ(wh)) 2958282399Sadrian flags |= WPI_TX_AUTO_SEQ; 2959278366Sadrian if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2960278366Sadrian flags |= WPI_TX_NEED_ACK; 2961278366Sadrian if (params->ibp_flags & IEEE80211_BPF_RTS) 2962278366Sadrian flags |= WPI_TX_NEED_RTS; 2963278366Sadrian if (params->ibp_flags & IEEE80211_BPF_CTS) 2964278366Sadrian flags |= WPI_TX_NEED_CTS; 2965278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2966278366Sadrian flags |= WPI_TX_FULL_TXOP; 2967278366Sadrian 2968280087Sadrian /* Encrypt the frame if need be. */ 2969280087Sadrian if (params->ibp_flags & IEEE80211_BPF_CRYPTO) { 2970280087Sadrian /* Retrieve key for TX. */ 2971280087Sadrian k = ieee80211_crypto_encap(ni, m); 2972289128Sadrian if (k == NULL) 2973289128Sadrian return (ENOBUFS); 2974289128Sadrian 2975280087Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2976280087Sadrian 2977280087Sadrian /* 802.11 header may have moved. */ 2978280087Sadrian wh = mtod(m, struct ieee80211_frame *); 2979280087Sadrian } 2980280087Sadrian totlen = m->m_pkthdr.len; 2981280087Sadrian 2982192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2983177043Sthompsa struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2984278366Sadrian 2985177043Sthompsa tap->wt_flags = 0; 2986177043Sthompsa tap->wt_rate = rate; 2987280087Sadrian if (params->ibp_flags & IEEE80211_BPF_CRYPTO) 2988280087Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2989178354Ssam 2990278366Sadrian ieee80211_radiotap_tx(vap, m); 2991177043Sthompsa } 2992173362Sbenjsc 2993280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2994278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2995278366Sadrian uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2996173362Sbenjsc 2997278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2998278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2999278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 3000278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 3001278366Sadrian subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 3002280082Sadrian tx->timeout = htole16(3); 3003278366Sadrian else 3004280082Sadrian tx->timeout = htole16(2); 3005173362Sbenjsc } 3006173362Sbenjsc 3007289010Sadrian if (!swcrypt) { 3008280087Sadrian switch (k->wk_cipher->ic_cipher) { 3009280087Sadrian case IEEE80211_CIPHER_AES_CCM: 3010280087Sadrian tx->security = WPI_CIPHER_CCMP; 3011280087Sadrian break; 3012280087Sadrian 3013280087Sadrian default: 3014280087Sadrian break; 3015280087Sadrian } 3016280087Sadrian 3017280087Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 3018280087Sadrian } 3019280087Sadrian 3020280082Sadrian tx->len = htole16(totlen); 3021280082Sadrian tx->flags = htole32(flags); 3022280082Sadrian tx->plcp = rate2plcp(rate); 3023280082Sadrian tx->id = WPI_ID_BROADCAST; 3024280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 3025280082Sadrian tx->rts_ntries = params->ibp_try1; 3026280082Sadrian tx->data_ntries = params->ibp_try0; 3027278366Sadrian 3028278366Sadrian tx_data.ni = ni; 3029278366Sadrian tx_data.m = m; 3030280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 3031278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 3032278366Sadrian tx_data.ac = ac; 3033278366Sadrian 3034278366Sadrian return wpi_cmd2(sc, &tx_data); 3035278366Sadrian} 3036278366Sadrian 3037287197Sglebiusstatic __inline int 3038289163Sadrianwpi_tx_ring_free_space(struct wpi_softc *sc, uint16_t ac) 3039287197Sglebius{ 3040287197Sglebius struct wpi_tx_ring *ring = &sc->txq[ac]; 3041287197Sglebius int retval; 3042287197Sglebius 3043287197Sglebius WPI_TXQ_STATE_LOCK(sc); 3044289163Sadrian retval = WPI_TX_RING_HIMARK - ring->queued; 3045287197Sglebius WPI_TXQ_STATE_UNLOCK(sc); 3046287197Sglebius 3047287197Sglebius return retval; 3048287197Sglebius} 3049287197Sglebius 3050278366Sadrianstatic int 3051278366Sadrianwpi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 3052278366Sadrian const struct ieee80211_bpf_params *params) 3053278366Sadrian{ 3054278366Sadrian struct ieee80211com *ic = ni->ni_ic; 3055286865Sadrian struct wpi_softc *sc = ic->ic_softc; 3056289124Sadrian uint16_t ac; 3057289124Sadrian int error = 0; 3058278366Sadrian 3059278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3060278366Sadrian 3061287197Sglebius ac = M_WME_GETAC(m); 3062287197Sglebius 3063287197Sglebius WPI_TX_LOCK(sc); 3064287197Sglebius 3065289163Sadrian /* NB: no fragments here */ 3066289163Sadrian if (sc->sc_running == 0 || wpi_tx_ring_free_space(sc, ac) < 1) { 3067287197Sglebius error = sc->sc_running ? ENOBUFS : ENETDOWN; 3068287197Sglebius goto unlock; 3069173362Sbenjsc } 3070173362Sbenjsc 3071278366Sadrian if (params == NULL) { 3072278366Sadrian /* 3073278366Sadrian * Legacy path; interpret frame contents to decide 3074278366Sadrian * precisely how to send the frame. 3075278366Sadrian */ 3076278366Sadrian error = wpi_tx_data(sc, m, ni); 3077278366Sadrian } else { 3078278366Sadrian /* 3079278366Sadrian * Caller supplied explicit parameters to use in 3080278366Sadrian * sending the frame. 3081278366Sadrian */ 3082278366Sadrian error = wpi_tx_data_raw(sc, m, ni, params); 3083278366Sadrian } 3084173362Sbenjsc 3085287197Sglebiusunlock: WPI_TX_UNLOCK(sc); 3086287197Sglebius 3087286437Sadrian if (error != 0) { 3088289128Sadrian m_freem(m); 3089278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3090278366Sadrian 3091278366Sadrian return error; 3092173362Sbenjsc } 3093173362Sbenjsc 3094278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3095173362Sbenjsc 3096173362Sbenjsc return 0; 3097173362Sbenjsc} 3098173362Sbenjsc 3099287197Sglebiusstatic int 3100287197Sglebiuswpi_transmit(struct ieee80211com *ic, struct mbuf *m) 3101173362Sbenjsc{ 3102287197Sglebius struct wpi_softc *sc = ic->ic_softc; 3103173362Sbenjsc struct ieee80211_node *ni; 3104289163Sadrian struct mbuf *mnext; 3105289124Sadrian uint16_t ac; 3106289163Sadrian int error, nmbufs; 3107173362Sbenjsc 3108280113Sadrian WPI_TX_LOCK(sc); 3109278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: called\n", __func__); 3110278366Sadrian 3111287197Sglebius /* Check if interface is up & running. */ 3112289008Sadrian if (__predict_false(sc->sc_running == 0)) { 3113287197Sglebius error = ENXIO; 3114287197Sglebius goto unlock; 3115287197Sglebius } 3116280110Sadrian 3117289163Sadrian nmbufs = 1; 3118289163Sadrian for (mnext = m->m_nextpkt; mnext != NULL; mnext = mnext->m_nextpkt) 3119289163Sadrian nmbufs++; 3120289163Sadrian 3121287197Sglebius /* Check for available space. */ 3122287197Sglebius ac = M_WME_GETAC(m); 3123289163Sadrian if (wpi_tx_ring_free_space(sc, ac) < nmbufs) { 3124288999Sadrian error = ENOBUFS; 3125287197Sglebius goto unlock; 3126178354Ssam } 3127278366Sadrian 3128287197Sglebius error = 0; 3129287197Sglebius ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 3130289163Sadrian do { 3131289163Sadrian mnext = m->m_nextpkt; 3132289163Sadrian if (wpi_tx_data(sc, m, ni) != 0) { 3133289163Sadrian if_inc_counter(ni->ni_vap->iv_ifp, IFCOUNTER_OERRORS, 3134289163Sadrian nmbufs); 3135289163Sadrian wpi_free_txfrags(sc, ac); 3136289163Sadrian ieee80211_free_mbuf(m); 3137289163Sadrian ieee80211_free_node(ni); 3138289163Sadrian break; 3139289163Sadrian } 3140289163Sadrian } while((m = mnext) != NULL); 3141287197Sglebius 3142278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: done\n", __func__); 3143287197Sglebius 3144287197Sglebiusunlock: WPI_TX_UNLOCK(sc); 3145287197Sglebius 3146287197Sglebius return (error); 3147178354Ssam} 3148173362Sbenjsc 3149278366Sadrianstatic void 3150278366Sadrianwpi_watchdog_rfkill(void *arg) 3151178354Ssam{ 3152278366Sadrian struct wpi_softc *sc = arg; 3153287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3154173362Sbenjsc 3155278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "RFkill Watchdog: tick\n"); 3156278366Sadrian 3157278366Sadrian /* No need to lock firmware memory. */ 3158278366Sadrian if ((wpi_prph_read(sc, WPI_APMG_RFKILL) & 0x1) == 0) { 3159278366Sadrian /* Radio kill switch is still off. */ 3160278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 3161278366Sadrian sc); 3162278366Sadrian } else 3163278366Sadrian ieee80211_runtask(ic, &sc->sc_radioon_task); 3164278366Sadrian} 3165278366Sadrian 3166280106Sadrianstatic void 3167280106Sadrianwpi_scan_timeout(void *arg) 3168280106Sadrian{ 3169280106Sadrian struct wpi_softc *sc = arg; 3170287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3171280106Sadrian 3172287197Sglebius ic_printf(ic, "scan timeout\n"); 3173297173Savos ieee80211_restart_all(ic); 3174280106Sadrian} 3175280106Sadrian 3176278366Sadrianstatic void 3177280109Sadrianwpi_tx_timeout(void *arg) 3178278366Sadrian{ 3179278366Sadrian struct wpi_softc *sc = arg; 3180287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3181278366Sadrian 3182287197Sglebius ic_printf(ic, "device timeout\n"); 3183297173Savos ieee80211_restart_all(ic); 3184173362Sbenjsc} 3185173362Sbenjsc 3186287197Sglebiusstatic void 3187287197Sglebiuswpi_parent(struct ieee80211com *ic) 3188173362Sbenjsc{ 3189287197Sglebius struct wpi_softc *sc = ic->ic_softc; 3190278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3191173362Sbenjsc 3192287197Sglebius if (ic->ic_nrunning > 0) { 3193287197Sglebius if (wpi_init(sc) == 0) { 3194287197Sglebius ieee80211_notify_radio(ic, 1); 3195287197Sglebius ieee80211_start_all(ic); 3196287197Sglebius } else { 3197287197Sglebius ieee80211_notify_radio(ic, 0); 3198287197Sglebius ieee80211_stop(vap); 3199287197Sglebius } 3200297173Savos } else { 3201297173Savos ieee80211_notify_radio(ic, 0); 3202287197Sglebius wpi_stop(sc); 3203297173Savos } 3204173362Sbenjsc} 3205173362Sbenjsc 3206173362Sbenjsc/* 3207173362Sbenjsc * Send a command to the firmware. 3208173362Sbenjsc */ 3209173362Sbenjscstatic int 3210289124Sadrianwpi_cmd(struct wpi_softc *sc, uint8_t code, const void *buf, uint16_t size, 3211278366Sadrian int async) 3212173362Sbenjsc{ 3213280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 3214173362Sbenjsc struct wpi_tx_desc *desc; 3215278366Sadrian struct wpi_tx_data *data; 3216173362Sbenjsc struct wpi_tx_cmd *cmd; 3217278366Sadrian struct mbuf *m; 3218278366Sadrian bus_addr_t paddr; 3219289124Sadrian uint16_t totlen; 3220289124Sadrian int error; 3221173362Sbenjsc 3222280071Sadrian WPI_TXQ_LOCK(sc); 3223280071Sadrian 3224278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3225278366Sadrian 3226289008Sadrian if (__predict_false(sc->sc_running == 0)) { 3227280071Sadrian /* wpi_stop() was called */ 3228287197Sglebius if (code == WPI_CMD_SCAN) 3229287197Sglebius error = ENETDOWN; 3230287197Sglebius else 3231287197Sglebius error = 0; 3232287197Sglebius 3233280071Sadrian goto fail; 3234280071Sadrian } 3235280071Sadrian 3236278366Sadrian if (async == 0) 3237173362Sbenjsc WPI_LOCK_ASSERT(sc); 3238173362Sbenjsc 3239289124Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "%s: cmd %s size %u async %d\n", 3240280101Sadrian __func__, wpi_cmd_str(code), size, async); 3241173362Sbenjsc 3242173362Sbenjsc desc = &ring->desc[ring->cur]; 3243278366Sadrian data = &ring->data[ring->cur]; 3244278366Sadrian totlen = 4 + size; 3245173362Sbenjsc 3246278366Sadrian if (size > sizeof cmd->data) { 3247278366Sadrian /* Command is too large to fit in a descriptor. */ 3248280071Sadrian if (totlen > MCLBYTES) { 3249280071Sadrian error = EINVAL; 3250280071Sadrian goto fail; 3251280071Sadrian } 3252278366Sadrian m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 3253280071Sadrian if (m == NULL) { 3254280071Sadrian error = ENOMEM; 3255280071Sadrian goto fail; 3256280071Sadrian } 3257278366Sadrian cmd = mtod(m, struct wpi_tx_cmd *); 3258278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, cmd, 3259278366Sadrian totlen, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 3260278366Sadrian if (error != 0) { 3261278366Sadrian m_freem(m); 3262280071Sadrian goto fail; 3263278366Sadrian } 3264278366Sadrian data->m = m; 3265278366Sadrian } else { 3266278366Sadrian cmd = &ring->cmd[ring->cur]; 3267278366Sadrian paddr = data->cmd_paddr; 3268278366Sadrian } 3269278366Sadrian 3270173362Sbenjsc cmd->code = code; 3271173362Sbenjsc cmd->flags = 0; 3272173362Sbenjsc cmd->qid = ring->qid; 3273173362Sbenjsc cmd->idx = ring->cur; 3274173362Sbenjsc memcpy(cmd->data, buf, size); 3275173362Sbenjsc 3276278366Sadrian desc->nsegs = 1 + (WPI_PAD32(size) << 4); 3277278366Sadrian desc->segs[0].addr = htole32(paddr); 3278278366Sadrian desc->segs[0].len = htole32(totlen); 3279173362Sbenjsc 3280278366Sadrian if (size > sizeof cmd->data) { 3281278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 3282278366Sadrian BUS_DMASYNC_PREWRITE); 3283278366Sadrian } else { 3284278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 3285278366Sadrian BUS_DMASYNC_PREWRITE); 3286278366Sadrian } 3287278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 3288278366Sadrian BUS_DMASYNC_PREWRITE); 3289173362Sbenjsc 3290278366Sadrian /* Kick command ring. */ 3291278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 3292282400Sadrian sc->sc_update_tx_ring(sc, ring); 3293278366Sadrian 3294278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3295278366Sadrian 3296280071Sadrian WPI_TXQ_UNLOCK(sc); 3297280071Sadrian 3298287197Sglebius return async ? 0 : mtx_sleep(cmd, &sc->sc_mtx, PCATCH, "wpicmd", hz); 3299173362Sbenjsc 3300280071Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3301280071Sadrian 3302280071Sadrian WPI_TXQ_UNLOCK(sc); 3303280071Sadrian 3304280071Sadrian return error; 3305173362Sbenjsc} 3306173362Sbenjsc 3307173362Sbenjsc/* 3308278366Sadrian * Configure HW multi-rate retries. 3309173362Sbenjsc */ 3310173362Sbenjscstatic int 3311173362Sbenjscwpi_mrr_setup(struct wpi_softc *sc) 3312173362Sbenjsc{ 3313287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3314173362Sbenjsc struct wpi_mrr_setup mrr; 3315289124Sadrian uint8_t i; 3316289124Sadrian int error; 3317173362Sbenjsc 3318278366Sadrian /* CCK rates (not used with 802.11a). */ 3319278366Sadrian for (i = WPI_RIDX_CCK1; i <= WPI_RIDX_CCK11; i++) { 3320173362Sbenjsc mrr.rates[i].flags = 0; 3321278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3322278366Sadrian /* Fallback to the immediate lower CCK rate (if any.) */ 3323278366Sadrian mrr.rates[i].next = 3324278366Sadrian (i == WPI_RIDX_CCK1) ? WPI_RIDX_CCK1 : i - 1; 3325282369Sadrian /* Try twice at this rate before falling back to "next". */ 3326282369Sadrian mrr.rates[i].ntries = WPI_NTRIES_DEFAULT; 3327173362Sbenjsc } 3328278366Sadrian /* OFDM rates (not used with 802.11b). */ 3329278366Sadrian for (i = WPI_RIDX_OFDM6; i <= WPI_RIDX_OFDM54; i++) { 3330173362Sbenjsc mrr.rates[i].flags = 0; 3331278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3332278366Sadrian /* Fallback to the immediate lower rate (if any.) */ 3333278366Sadrian /* We allow fallback from OFDM/6 to CCK/2 in 11b/g mode. */ 3334278366Sadrian mrr.rates[i].next = (i == WPI_RIDX_OFDM6) ? 3335173362Sbenjsc ((ic->ic_curmode == IEEE80211_MODE_11A) ? 3336278366Sadrian WPI_RIDX_OFDM6 : WPI_RIDX_CCK2) : 3337173362Sbenjsc i - 1; 3338282369Sadrian /* Try twice at this rate before falling back to "next". */ 3339282369Sadrian mrr.rates[i].ntries = WPI_NTRIES_DEFAULT; 3340173362Sbenjsc } 3341278366Sadrian /* Setup MRR for control frames. */ 3342278366Sadrian mrr.which = htole32(WPI_MRR_CTL); 3343173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3344173362Sbenjsc if (error != 0) { 3345173362Sbenjsc device_printf(sc->sc_dev, 3346173362Sbenjsc "could not setup MRR for control frames\n"); 3347173362Sbenjsc return error; 3348173362Sbenjsc } 3349278366Sadrian /* Setup MRR for data frames. */ 3350278366Sadrian mrr.which = htole32(WPI_MRR_DATA); 3351173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3352173362Sbenjsc if (error != 0) { 3353173362Sbenjsc device_printf(sc->sc_dev, 3354173362Sbenjsc "could not setup MRR for data frames\n"); 3355173362Sbenjsc return error; 3356173362Sbenjsc } 3357173362Sbenjsc return 0; 3358173362Sbenjsc} 3359173362Sbenjsc 3360278366Sadrianstatic int 3361278366Sadrianwpi_add_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3362278366Sadrian{ 3363278366Sadrian struct ieee80211com *ic = ni->ni_ic; 3364280088Sadrian struct wpi_vap *wvp = WPI_VAP(ni->ni_vap); 3365280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3366278366Sadrian struct wpi_node_info node; 3367280088Sadrian int error; 3368278366Sadrian 3369278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3370278366Sadrian 3371278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 3372278366Sadrian return EINVAL; 3373278366Sadrian 3374278366Sadrian memset(&node, 0, sizeof node); 3375279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3376278366Sadrian node.id = wn->id; 3377278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3378278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3379278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3380278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3381278366Sadrian 3382280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: adding node %d (%s)\n", __func__, 3383280094Sadrian wn->id, ether_sprintf(ni->ni_macaddr)); 3384280094Sadrian 3385280088Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 3386280088Sadrian if (error != 0) { 3387280088Sadrian device_printf(sc->sc_dev, 3388280088Sadrian "%s: wpi_cmd() call failed with error code %d\n", __func__, 3389280088Sadrian error); 3390280088Sadrian return error; 3391280088Sadrian } 3392280088Sadrian 3393280088Sadrian if (wvp->wv_gtk != 0) { 3394280088Sadrian error = wpi_set_global_keys(ni); 3395280088Sadrian if (error != 0) { 3396280088Sadrian device_printf(sc->sc_dev, 3397280088Sadrian "%s: error while setting global keys\n", __func__); 3398280088Sadrian return ENXIO; 3399280088Sadrian } 3400280088Sadrian } 3401280088Sadrian 3402280088Sadrian return 0; 3403278366Sadrian} 3404278366Sadrian 3405278366Sadrian/* 3406278366Sadrian * Broadcast node is used to send group-addressed and management frames. 3407278366Sadrian */ 3408278366Sadrianstatic int 3409278366Sadrianwpi_add_broadcast_node(struct wpi_softc *sc, int async) 3410278366Sadrian{ 3411287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3412278366Sadrian struct wpi_node_info node; 3413278366Sadrian 3414278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3415278366Sadrian 3416278366Sadrian memset(&node, 0, sizeof node); 3417287197Sglebius IEEE80211_ADDR_COPY(node.macaddr, ieee80211broadcastaddr); 3418278366Sadrian node.id = WPI_ID_BROADCAST; 3419278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3420278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3421278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3422278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3423278366Sadrian 3424280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: adding broadcast node\n", __func__); 3425280094Sadrian 3426278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, async); 3427278366Sadrian} 3428278366Sadrian 3429278366Sadrianstatic int 3430280070Sadrianwpi_add_sta_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3431280070Sadrian{ 3432280070Sadrian struct wpi_node *wn = WPI_NODE(ni); 3433280070Sadrian int error; 3434280070Sadrian 3435280070Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3436280070Sadrian 3437280070Sadrian wn->id = wpi_add_node_entry_sta(sc); 3438280070Sadrian 3439280070Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3440280070Sadrian wpi_del_node_entry(sc, wn->id); 3441280070Sadrian wn->id = WPI_ID_UNDEFINED; 3442280070Sadrian return error; 3443280070Sadrian } 3444280070Sadrian 3445280070Sadrian return 0; 3446280070Sadrian} 3447280070Sadrian 3448280070Sadrianstatic int 3449278366Sadrianwpi_add_ibss_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3450278366Sadrian{ 3451280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3452280069Sadrian int error; 3453278366Sadrian 3454280100Sadrian KASSERT(wn->id == WPI_ID_UNDEFINED, 3455280100Sadrian ("the node %d was added before", wn->id)); 3456280100Sadrian 3457278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3458278366Sadrian 3459280069Sadrian if ((wn->id = wpi_add_node_entry_adhoc(sc)) == WPI_ID_UNDEFINED) { 3460280069Sadrian device_printf(sc->sc_dev, "%s: h/w table is full\n", __func__); 3461280069Sadrian return ENOMEM; 3462280069Sadrian } 3463278366Sadrian 3464280069Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3465280069Sadrian wpi_del_node_entry(sc, wn->id); 3466280069Sadrian wn->id = WPI_ID_UNDEFINED; 3467280069Sadrian return error; 3468280069Sadrian } 3469278366Sadrian 3470280069Sadrian return 0; 3471278366Sadrian} 3472278366Sadrian 3473173362Sbenjscstatic void 3474278366Sadrianwpi_del_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3475278366Sadrian{ 3476280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3477278366Sadrian struct wpi_cmd_del_node node; 3478278366Sadrian int error; 3479278366Sadrian 3480280100Sadrian KASSERT(wn->id != WPI_ID_UNDEFINED, ("undefined node id passed")); 3481280100Sadrian 3482278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3483278366Sadrian 3484278366Sadrian memset(&node, 0, sizeof node); 3485279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3486278366Sadrian node.count = 1; 3487278366Sadrian 3488280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: deleting node %d (%s)\n", __func__, 3489280094Sadrian wn->id, ether_sprintf(ni->ni_macaddr)); 3490280094Sadrian 3491278366Sadrian error = wpi_cmd(sc, WPI_CMD_DEL_NODE, &node, sizeof node, 1); 3492278366Sadrian if (error != 0) { 3493278366Sadrian device_printf(sc->sc_dev, 3494278366Sadrian "%s: could not delete node %u, error %d\n", __func__, 3495278366Sadrian wn->id, error); 3496278366Sadrian } 3497278366Sadrian} 3498278366Sadrian 3499278366Sadrianstatic int 3500278366Sadrianwpi_updateedca(struct ieee80211com *ic) 3501278366Sadrian{ 3502278366Sadrian#define WPI_EXP2(x) ((1 << (x)) - 1) /* CWmin = 2^ECWmin - 1 */ 3503286865Sadrian struct wpi_softc *sc = ic->ic_softc; 3504278366Sadrian struct wpi_edca_params cmd; 3505278366Sadrian int aci, error; 3506278366Sadrian 3507278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3508278366Sadrian 3509278366Sadrian memset(&cmd, 0, sizeof cmd); 3510278366Sadrian cmd.flags = htole32(WPI_EDCA_UPDATE); 3511278366Sadrian for (aci = 0; aci < WME_NUM_AC; aci++) { 3512278366Sadrian const struct wmeParams *ac = 3513278366Sadrian &ic->ic_wme.wme_chanParams.cap_wmeParams[aci]; 3514278366Sadrian cmd.ac[aci].aifsn = ac->wmep_aifsn; 3515278366Sadrian cmd.ac[aci].cwmin = htole16(WPI_EXP2(ac->wmep_logcwmin)); 3516278366Sadrian cmd.ac[aci].cwmax = htole16(WPI_EXP2(ac->wmep_logcwmax)); 3517278366Sadrian cmd.ac[aci].txoplimit = 3518278366Sadrian htole16(IEEE80211_TXOP_TO_US(ac->wmep_txopLimit)); 3519278366Sadrian 3520278366Sadrian DPRINTF(sc, WPI_DEBUG_EDCA, 3521278366Sadrian "setting WME for queue %d aifsn=%d cwmin=%d cwmax=%d " 3522278366Sadrian "txoplimit=%d\n", aci, cmd.ac[aci].aifsn, 3523278366Sadrian cmd.ac[aci].cwmin, cmd.ac[aci].cwmax, 3524278366Sadrian cmd.ac[aci].txoplimit); 3525278366Sadrian } 3526278366Sadrian error = wpi_cmd(sc, WPI_CMD_EDCA_PARAMS, &cmd, sizeof cmd, 1); 3527278366Sadrian 3528278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3529278366Sadrian 3530278366Sadrian return error; 3531278366Sadrian#undef WPI_EXP2 3532278366Sadrian} 3533278366Sadrian 3534278366Sadrianstatic void 3535278366Sadrianwpi_set_promisc(struct wpi_softc *sc) 3536278366Sadrian{ 3537287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3538280105Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3539278366Sadrian uint32_t promisc_filter; 3540278366Sadrian 3541280105Sadrian promisc_filter = WPI_FILTER_CTL; 3542280105Sadrian if (vap != NULL && vap->iv_opmode != IEEE80211_M_HOSTAP) 3543280105Sadrian promisc_filter |= WPI_FILTER_PROMISC; 3544278366Sadrian 3545287197Sglebius if (ic->ic_promisc > 0) 3546278366Sadrian sc->rxon.filter |= htole32(promisc_filter); 3547278366Sadrian else 3548278366Sadrian sc->rxon.filter &= ~htole32(promisc_filter); 3549278366Sadrian} 3550278366Sadrian 3551278366Sadrianstatic void 3552283540Sglebiuswpi_update_promisc(struct ieee80211com *ic) 3553278366Sadrian{ 3554283540Sglebius struct wpi_softc *sc = ic->ic_softc; 3555278366Sadrian 3556291493Savos WPI_LOCK(sc); 3557291493Savos if (sc->sc_running == 0) { 3558291493Savos WPI_UNLOCK(sc); 3559291493Savos return; 3560291493Savos } 3561291493Savos WPI_UNLOCK(sc); 3562291493Savos 3563280108Sadrian WPI_RXON_LOCK(sc); 3564278366Sadrian wpi_set_promisc(sc); 3565278366Sadrian 3566278366Sadrian if (wpi_send_rxon(sc, 1, 1) != 0) { 3567278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3568278366Sadrian __func__); 3569278366Sadrian } 3570280108Sadrian WPI_RXON_UNLOCK(sc); 3571278366Sadrian} 3572278366Sadrian 3573278366Sadrianstatic void 3574283540Sglebiuswpi_update_mcast(struct ieee80211com *ic) 3575278366Sadrian{ 3576278366Sadrian /* Ignore */ 3577278366Sadrian} 3578278366Sadrian 3579278366Sadrianstatic void 3580173362Sbenjscwpi_set_led(struct wpi_softc *sc, uint8_t which, uint8_t off, uint8_t on) 3581173362Sbenjsc{ 3582173362Sbenjsc struct wpi_cmd_led led; 3583173362Sbenjsc 3584278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3585278366Sadrian 3586173362Sbenjsc led.which = which; 3587173362Sbenjsc led.unit = htole32(100000); /* on/off in unit of 100ms */ 3588173362Sbenjsc led.off = off; 3589173362Sbenjsc led.on = on; 3590173362Sbenjsc (void)wpi_cmd(sc, WPI_CMD_SET_LED, &led, sizeof led, 1); 3591173362Sbenjsc} 3592173362Sbenjsc 3593278366Sadrianstatic int 3594278366Sadrianwpi_set_timing(struct wpi_softc *sc, struct ieee80211_node *ni) 3595173362Sbenjsc{ 3596278366Sadrian struct wpi_cmd_timing cmd; 3597173362Sbenjsc uint64_t val, mod; 3598173362Sbenjsc 3599278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3600173362Sbenjsc 3601278366Sadrian memset(&cmd, 0, sizeof cmd); 3602278366Sadrian memcpy(&cmd.tstamp, ni->ni_tstamp.data, sizeof (uint64_t)); 3603278366Sadrian cmd.bintval = htole16(ni->ni_intval); 3604278366Sadrian cmd.lintval = htole16(10); 3605173362Sbenjsc 3606278366Sadrian /* Compute remaining time until next beacon. */ 3607278366Sadrian val = (uint64_t)ni->ni_intval * IEEE80211_DUR_TU; 3608278366Sadrian mod = le64toh(cmd.tstamp) % val; 3609278366Sadrian cmd.binitval = htole32((uint32_t)(val - mod)); 3610278366Sadrian 3611278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "timing bintval=%u tstamp=%ju, init=%u\n", 3612278366Sadrian ni->ni_intval, le64toh(cmd.tstamp), (uint32_t)(val - mod)); 3613278366Sadrian 3614278366Sadrian return wpi_cmd(sc, WPI_CMD_TIMING, &cmd, sizeof cmd, 1); 3615173362Sbenjsc} 3616173362Sbenjsc 3617173362Sbenjsc/* 3618278366Sadrian * This function is called periodically (every 60 seconds) to adjust output 3619278366Sadrian * power to temperature changes. 3620173362Sbenjsc */ 3621278366Sadrianstatic void 3622278366Sadrianwpi_power_calibration(struct wpi_softc *sc) 3623278366Sadrian{ 3624278366Sadrian int temp; 3625278366Sadrian 3626278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3627278366Sadrian 3628278366Sadrian /* Update sensor data. */ 3629278366Sadrian temp = (int)WPI_READ(sc, WPI_UCODE_GP2); 3630278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "Temp in calibration is: %d\n", temp); 3631278366Sadrian 3632278366Sadrian /* Sanity-check read value. */ 3633278366Sadrian if (temp < -260 || temp > 25) { 3634278366Sadrian /* This can't be correct, ignore. */ 3635278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3636278366Sadrian "out-of-range temperature reported: %d\n", temp); 3637278366Sadrian return; 3638278366Sadrian } 3639278366Sadrian 3640278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d->%d\n", sc->temp, temp); 3641278366Sadrian 3642278366Sadrian /* Adjust Tx power if need be. */ 3643278366Sadrian if (abs(temp - sc->temp) <= 6) 3644278366Sadrian return; 3645278366Sadrian 3646278366Sadrian sc->temp = temp; 3647278366Sadrian 3648278366Sadrian if (wpi_set_txpower(sc, 1) != 0) { 3649278366Sadrian /* just warn, too bad for the automatic calibration... */ 3650278366Sadrian device_printf(sc->sc_dev,"could not adjust Tx power\n"); 3651278366Sadrian } 3652278366Sadrian} 3653278366Sadrian 3654278366Sadrian/* 3655278366Sadrian * Set TX power for current channel. 3656278366Sadrian */ 3657173362Sbenjscstatic int 3658278366Sadrianwpi_set_txpower(struct wpi_softc *sc, int async) 3659173362Sbenjsc{ 3660278366Sadrian struct wpi_power_group *group; 3661278366Sadrian struct wpi_cmd_txpower cmd; 3662278366Sadrian uint8_t chan; 3663281287Sadrian int idx, is_chan_5ghz, i; 3664173362Sbenjsc 3665278366Sadrian /* Retrieve current channel from last RXON. */ 3666278366Sadrian chan = sc->rxon.chan; 3667281287Sadrian is_chan_5ghz = (sc->rxon.flags & htole32(WPI_RXON_24GHZ)) == 0; 3668173362Sbenjsc 3669278366Sadrian /* Find the TX power group to which this channel belongs. */ 3670281287Sadrian if (is_chan_5ghz) { 3671278366Sadrian for (group = &sc->groups[1]; group < &sc->groups[4]; group++) 3672278366Sadrian if (chan <= group->chan) 3673278366Sadrian break; 3674278366Sadrian } else 3675278366Sadrian group = &sc->groups[0]; 3676278366Sadrian 3677278366Sadrian memset(&cmd, 0, sizeof cmd); 3678281287Sadrian cmd.band = is_chan_5ghz ? WPI_BAND_5GHZ : WPI_BAND_2GHZ; 3679278366Sadrian cmd.chan = htole16(chan); 3680278366Sadrian 3681278366Sadrian /* Set TX power for all OFDM and CCK rates. */ 3682278366Sadrian for (i = 0; i <= WPI_RIDX_MAX ; i++) { 3683278366Sadrian /* Retrieve TX power for this channel/rate. */ 3684281287Sadrian idx = wpi_get_power_index(sc, group, chan, is_chan_5ghz, i); 3685278366Sadrian 3686278366Sadrian cmd.rates[i].plcp = wpi_ridx_to_plcp[i]; 3687278366Sadrian 3688281287Sadrian if (is_chan_5ghz) { 3689278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_5ghz[idx]; 3690278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_5ghz[idx]; 3691278366Sadrian } else { 3692278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_2ghz[idx]; 3693278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_2ghz[idx]; 3694278366Sadrian } 3695278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3696278366Sadrian "chan %d/ridx %d: power index %d\n", chan, i, idx); 3697173362Sbenjsc } 3698173362Sbenjsc 3699278366Sadrian return wpi_cmd(sc, WPI_CMD_TXPOWER, &cmd, sizeof cmd, async); 3700278366Sadrian} 3701173362Sbenjsc 3702278366Sadrian/* 3703278366Sadrian * Determine Tx power index for a given channel/rate combination. 3704278366Sadrian * This takes into account the regulatory information from EEPROM and the 3705278366Sadrian * current temperature. 3706278366Sadrian */ 3707278366Sadrianstatic int 3708278366Sadrianwpi_get_power_index(struct wpi_softc *sc, struct wpi_power_group *group, 3709281287Sadrian uint8_t chan, int is_chan_5ghz, int ridx) 3710278366Sadrian{ 3711278366Sadrian/* Fixed-point arithmetic division using a n-bit fractional part. */ 3712280059Sadrian#define fdivround(a, b, n) \ 3713278366Sadrian ((((1 << n) * (a)) / (b) + (1 << n) / 2) / (1 << n)) 3714173362Sbenjsc 3715278366Sadrian/* Linear interpolation. */ 3716280059Sadrian#define interpolate(x, x1, y1, x2, y2, n) \ 3717278366Sadrian ((y1) + fdivround(((x) - (x1)) * ((y2) - (y1)), (x2) - (x1), n)) 3718173362Sbenjsc 3719278366Sadrian struct wpi_power_sample *sample; 3720278366Sadrian int pwr, idx; 3721278366Sadrian 3722278366Sadrian /* Default TX power is group maximum TX power minus 3dB. */ 3723278366Sadrian pwr = group->maxpwr / 2; 3724278366Sadrian 3725278366Sadrian /* Decrease TX power for highest OFDM rates to reduce distortion. */ 3726278366Sadrian switch (ridx) { 3727278366Sadrian case WPI_RIDX_OFDM36: 3728281287Sadrian pwr -= is_chan_5ghz ? 5 : 0; 3729278366Sadrian break; 3730278366Sadrian case WPI_RIDX_OFDM48: 3731281287Sadrian pwr -= is_chan_5ghz ? 10 : 7; 3732278366Sadrian break; 3733278366Sadrian case WPI_RIDX_OFDM54: 3734281287Sadrian pwr -= is_chan_5ghz ? 12 : 9; 3735278366Sadrian break; 3736173362Sbenjsc } 3737173362Sbenjsc 3738278366Sadrian /* Never exceed the channel maximum allowed TX power. */ 3739278366Sadrian pwr = min(pwr, sc->maxpwr[chan]); 3740173362Sbenjsc 3741278366Sadrian /* Retrieve TX power index into gain tables from samples. */ 3742278366Sadrian for (sample = group->samples; sample < &group->samples[3]; sample++) 3743278366Sadrian if (pwr > sample[1].power) 3744278366Sadrian break; 3745278366Sadrian /* Fixed-point linear interpolation using a 19-bit fractional part. */ 3746278366Sadrian idx = interpolate(pwr, sample[0].power, sample[0].index, 3747278366Sadrian sample[1].power, sample[1].index, 19); 3748173362Sbenjsc 3749278366Sadrian /*- 3750278366Sadrian * Adjust power index based on current temperature: 3751278366Sadrian * - if cooler than factory-calibrated: decrease output power 3752278366Sadrian * - if warmer than factory-calibrated: increase output power 3753278366Sadrian */ 3754278366Sadrian idx -= (sc->temp - group->temp) * 11 / 100; 3755173362Sbenjsc 3756278366Sadrian /* Decrease TX power for CCK rates (-5dB). */ 3757278366Sadrian if (ridx >= WPI_RIDX_CCK1) 3758278366Sadrian idx += 10; 3759278366Sadrian 3760278366Sadrian /* Make sure idx stays in a valid range. */ 3761278366Sadrian if (idx < 0) 3762278366Sadrian return 0; 3763278366Sadrian if (idx > WPI_MAX_PWR_INDEX) 3764278366Sadrian return WPI_MAX_PWR_INDEX; 3765278366Sadrian return idx; 3766278366Sadrian 3767278366Sadrian#undef interpolate 3768278366Sadrian#undef fdivround 3769173362Sbenjsc} 3770173362Sbenjsc 3771278366Sadrian/* 3772278366Sadrian * Set STA mode power saving level (between 0 and 5). 3773278366Sadrian * Level 0 is CAM (Continuously Aware Mode), 5 is for maximum power saving. 3774278366Sadrian */ 3775173362Sbenjscstatic int 3776278366Sadrianwpi_set_pslevel(struct wpi_softc *sc, uint8_t dtim, int level, int async) 3777173362Sbenjsc{ 3778278366Sadrian struct wpi_pmgt_cmd cmd; 3779278366Sadrian const struct wpi_pmgt *pmgt; 3780289124Sadrian uint32_t max, reg; 3781289124Sadrian uint8_t skip_dtim; 3782278366Sadrian int i; 3783278366Sadrian 3784278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 3785278366Sadrian "%s: dtim=%d, level=%d, async=%d\n", 3786278366Sadrian __func__, dtim, level, async); 3787278366Sadrian 3788278366Sadrian /* Select which PS parameters to use. */ 3789278366Sadrian if (dtim <= 10) 3790278366Sadrian pmgt = &wpi_pmgt[0][level]; 3791278366Sadrian else 3792278366Sadrian pmgt = &wpi_pmgt[1][level]; 3793278366Sadrian 3794278366Sadrian memset(&cmd, 0, sizeof cmd); 3795289006Sadrian if (level != 0) /* not CAM */ 3796278366Sadrian cmd.flags |= htole16(WPI_PS_ALLOW_SLEEP); 3797278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 3798290950Savos reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + PCIER_LINK_CTL, 1); 3799290950Savos if (!(reg & PCIEM_LINK_CTL_ASPMC_L0S)) /* L0s Entry disabled. */ 3800278366Sadrian cmd.flags |= htole16(WPI_PS_PCI_PMGT); 3801278366Sadrian 3802278366Sadrian cmd.rxtimeout = htole32(pmgt->rxtimeout * IEEE80211_DUR_TU); 3803278366Sadrian cmd.txtimeout = htole32(pmgt->txtimeout * IEEE80211_DUR_TU); 3804278366Sadrian 3805278366Sadrian if (dtim == 0) { 3806278366Sadrian dtim = 1; 3807278366Sadrian skip_dtim = 0; 3808278366Sadrian } else 3809278366Sadrian skip_dtim = pmgt->skip_dtim; 3810278366Sadrian 3811278366Sadrian if (skip_dtim != 0) { 3812278366Sadrian cmd.flags |= htole16(WPI_PS_SLEEP_OVER_DTIM); 3813278366Sadrian max = pmgt->intval[4]; 3814278366Sadrian if (max == (uint32_t)-1) 3815278366Sadrian max = dtim * (skip_dtim + 1); 3816278366Sadrian else if (max > dtim) 3817298848Spfg max = rounddown(max, dtim); 3818278366Sadrian } else 3819278366Sadrian max = dtim; 3820278366Sadrian 3821278366Sadrian for (i = 0; i < 5; i++) 3822278366Sadrian cmd.intval[i] = htole32(MIN(max, pmgt->intval[i])); 3823278366Sadrian 3824278366Sadrian return wpi_cmd(sc, WPI_CMD_SET_POWER_MODE, &cmd, sizeof cmd, async); 3825278366Sadrian} 3826278366Sadrian 3827280059Sadrianstatic int 3828278366Sadrianwpi_send_btcoex(struct wpi_softc *sc) 3829278366Sadrian{ 3830278366Sadrian struct wpi_bluetooth cmd; 3831278366Sadrian 3832280059Sadrian memset(&cmd, 0, sizeof cmd); 3833280059Sadrian cmd.flags = WPI_BT_COEX_MODE_4WIRE; 3834280059Sadrian cmd.lead_time = WPI_BT_LEAD_TIME_DEF; 3835280059Sadrian cmd.max_kill = WPI_BT_MAX_KILL_DEF; 3836278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "%s: configuring bluetooth coexistence\n", 3837278366Sadrian __func__); 3838280059Sadrian return wpi_cmd(sc, WPI_CMD_BT_COEX, &cmd, sizeof(cmd), 0); 3839278366Sadrian} 3840278366Sadrian 3841278366Sadrianstatic int 3842278366Sadrianwpi_send_rxon(struct wpi_softc *sc, int assoc, int async) 3843278366Sadrian{ 3844173362Sbenjsc int error; 3845173362Sbenjsc 3846280108Sadrian if (async) 3847280108Sadrian WPI_RXON_LOCK_ASSERT(sc); 3848280108Sadrian 3849282375Sadrian if (assoc && wpi_check_bss_filter(sc) != 0) { 3850278366Sadrian struct wpi_assoc rxon_assoc; 3851177043Sthompsa 3852278366Sadrian rxon_assoc.flags = sc->rxon.flags; 3853278366Sadrian rxon_assoc.filter = sc->rxon.filter; 3854278366Sadrian rxon_assoc.ofdm_mask = sc->rxon.ofdm_mask; 3855278366Sadrian rxon_assoc.cck_mask = sc->rxon.cck_mask; 3856278366Sadrian rxon_assoc.reserved = 0; 3857278366Sadrian 3858278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON_ASSOC, &rxon_assoc, 3859278366Sadrian sizeof (struct wpi_assoc), async); 3860280102Sadrian if (error != 0) { 3861280102Sadrian device_printf(sc->sc_dev, 3862280102Sadrian "RXON_ASSOC command failed, error %d\n", error); 3863280102Sadrian return error; 3864280102Sadrian } 3865216522Sbschmidt } else { 3866280102Sadrian if (async) { 3867280077Sadrian WPI_NT_LOCK(sc); 3868280102Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3869280102Sadrian sizeof (struct wpi_rxon), async); 3870280102Sadrian if (error == 0) 3871280102Sadrian wpi_clear_node_table(sc); 3872280077Sadrian WPI_NT_UNLOCK(sc); 3873280102Sadrian } else { 3874280102Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3875280102Sadrian sizeof (struct wpi_rxon), async); 3876280102Sadrian if (error == 0) 3877280102Sadrian wpi_clear_node_table(sc); 3878280102Sadrian } 3879173362Sbenjsc 3880280102Sadrian if (error != 0) { 3881280102Sadrian device_printf(sc->sc_dev, 3882280102Sadrian "RXON command failed, error %d\n", error); 3883280102Sadrian return error; 3884280102Sadrian } 3885173362Sbenjsc 3886278366Sadrian /* Add broadcast node. */ 3887278366Sadrian error = wpi_add_broadcast_node(sc, async); 3888278366Sadrian if (error != 0) { 3889278366Sadrian device_printf(sc->sc_dev, 3890278366Sadrian "could not add broadcast node, error %d\n", error); 3891278366Sadrian return error; 3892278366Sadrian } 3893278366Sadrian } 3894177043Sthompsa 3895280102Sadrian /* Configuration has changed, set Tx power accordingly. */ 3896280102Sadrian if ((error = wpi_set_txpower(sc, async)) != 0) { 3897280102Sadrian device_printf(sc->sc_dev, 3898280102Sadrian "%s: could not set TX power, error %d\n", __func__, error); 3899280102Sadrian return error; 3900280102Sadrian } 3901280102Sadrian 3902278366Sadrian return 0; 3903177043Sthompsa} 3904177043Sthompsa 3905278366Sadrian/** 3906278366Sadrian * Configure the card to listen to a particular channel, this transisions the 3907278366Sadrian * card in to being able to receive frames from remote devices. 3908278366Sadrian */ 3909177043Sthompsastatic int 3910278366Sadrianwpi_config(struct wpi_softc *sc) 3911177043Sthompsa{ 3912287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3913279762Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3914282371Sadrian struct ieee80211_channel *c = ic->ic_curchan; 3915177043Sthompsa int error; 3916177043Sthompsa 3917278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3918278366Sadrian 3919278366Sadrian /* Set power saving level to CAM during initialization. */ 3920278366Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 0)) != 0) { 3921278366Sadrian device_printf(sc->sc_dev, 3922278366Sadrian "%s: could not set power saving level\n", __func__); 3923278366Sadrian return error; 3924178354Ssam } 3925178354Ssam 3926278366Sadrian /* Configure bluetooth coexistence. */ 3927278366Sadrian if ((error = wpi_send_btcoex(sc)) != 0) { 3928278366Sadrian device_printf(sc->sc_dev, 3929278366Sadrian "could not configure bluetooth coexistence\n"); 3930278366Sadrian return error; 3931278366Sadrian } 3932177043Sthompsa 3933278366Sadrian /* Configure adapter. */ 3934278366Sadrian memset(&sc->rxon, 0, sizeof (struct wpi_rxon)); 3935279762Sadrian IEEE80211_ADDR_COPY(sc->rxon.myaddr, vap->iv_myaddr); 3936177043Sthompsa 3937278366Sadrian /* Set default channel. */ 3938282371Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 3939278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3940282371Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) 3941278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3942177043Sthompsa 3943278764Sadrian sc->rxon.filter = WPI_FILTER_MULTICAST; 3944278366Sadrian switch (ic->ic_opmode) { 3945278366Sadrian case IEEE80211_M_STA: 3946278366Sadrian sc->rxon.mode = WPI_MODE_STA; 3947278366Sadrian break; 3948278366Sadrian case IEEE80211_M_IBSS: 3949278366Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3950278764Sadrian sc->rxon.filter |= WPI_FILTER_BEACON; 3951278366Sadrian break; 3952280105Sadrian case IEEE80211_M_HOSTAP: 3953280105Sadrian /* XXX workaround for beaconing */ 3954280105Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3955280105Sadrian sc->rxon.filter |= WPI_FILTER_ASSOC | WPI_FILTER_PROMISC; 3956280105Sadrian break; 3957278366Sadrian case IEEE80211_M_AHDEMO: 3958278366Sadrian sc->rxon.mode = WPI_MODE_HOSTAP; 3959278366Sadrian break; 3960278366Sadrian case IEEE80211_M_MONITOR: 3961278366Sadrian sc->rxon.mode = WPI_MODE_MONITOR; 3962278366Sadrian break; 3963278366Sadrian default: 3964280066Sadrian device_printf(sc->sc_dev, "unknown opmode %d\n", 3965280066Sadrian ic->ic_opmode); 3966278366Sadrian return EINVAL; 3967278366Sadrian } 3968278764Sadrian sc->rxon.filter = htole32(sc->rxon.filter); 3969278366Sadrian wpi_set_promisc(sc); 3970278366Sadrian sc->rxon.cck_mask = 0x0f; /* not yet negotiated */ 3971278366Sadrian sc->rxon.ofdm_mask = 0xff; /* not yet negotiated */ 3972278366Sadrian 3973278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) { 3974278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3975278366Sadrian __func__); 3976173362Sbenjsc return error; 3977173362Sbenjsc } 3978173362Sbenjsc 3979278366Sadrian /* Setup rate scalling. */ 3980278366Sadrian if ((error = wpi_mrr_setup(sc)) != 0) { 3981278366Sadrian device_printf(sc->sc_dev, "could not setup MRR, error %d\n", 3982278366Sadrian error); 3983278366Sadrian return error; 3984278366Sadrian } 3985278366Sadrian 3986278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3987177043Sthompsa 3988278366Sadrian return 0; 3989278366Sadrian} 3990177043Sthompsa 3991278366Sadrianstatic uint16_t 3992278366Sadrianwpi_get_active_dwell_time(struct wpi_softc *sc, 3993278366Sadrian struct ieee80211_channel *c, uint8_t n_probes) 3994278366Sadrian{ 3995278366Sadrian /* No channel? Default to 2GHz settings. */ 3996278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) { 3997278366Sadrian return (WPI_ACTIVE_DWELL_TIME_2GHZ + 3998278366Sadrian WPI_ACTIVE_DWELL_FACTOR_2GHZ * (n_probes + 1)); 3999278366Sadrian } 4000278366Sadrian 4001278366Sadrian /* 5GHz dwell time. */ 4002278366Sadrian return (WPI_ACTIVE_DWELL_TIME_5GHZ + 4003278366Sadrian WPI_ACTIVE_DWELL_FACTOR_5GHZ * (n_probes + 1)); 4004173362Sbenjsc} 4005173362Sbenjsc 4006173362Sbenjsc/* 4007282382Sadrian * Limit the total dwell time. 4008278366Sadrian * 4009278366Sadrian * Returns the dwell time in milliseconds. 4010173362Sbenjsc */ 4011278366Sadrianstatic uint16_t 4012278366Sadrianwpi_limit_dwell(struct wpi_softc *sc, uint16_t dwell_time) 4013278366Sadrian{ 4014287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 4015280103Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4016289124Sadrian uint16_t bintval = 0; 4017278366Sadrian 4018278366Sadrian /* bintval is in TU (1.024mS) */ 4019280103Sadrian if (vap != NULL) 4020278366Sadrian bintval = vap->iv_bss->ni_intval; 4021278366Sadrian 4022278366Sadrian /* 4023278366Sadrian * If it's non-zero, we should calculate the minimum of 4024278366Sadrian * it and the DWELL_BASE. 4025278366Sadrian * 4026278366Sadrian * XXX Yes, the math should take into account that bintval 4027278366Sadrian * is 1.024mS, not 1mS.. 4028278366Sadrian */ 4029278366Sadrian if (bintval > 0) { 4030278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "%s: bintval=%d\n", __func__, 4031278366Sadrian bintval); 4032282382Sadrian return (MIN(dwell_time, bintval - WPI_CHANNEL_TUNE_TIME * 2)); 4033278366Sadrian } 4034278366Sadrian 4035278366Sadrian /* No association context? Default. */ 4036282382Sadrian return dwell_time; 4037278366Sadrian} 4038278366Sadrian 4039278366Sadrianstatic uint16_t 4040278366Sadrianwpi_get_passive_dwell_time(struct wpi_softc *sc, struct ieee80211_channel *c) 4041278366Sadrian{ 4042278366Sadrian uint16_t passive; 4043278366Sadrian 4044278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) 4045278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_2GHZ; 4046278366Sadrian else 4047278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_5GHZ; 4048278366Sadrian 4049278366Sadrian /* Clamp to the beacon interval if we're associated. */ 4050278366Sadrian return (wpi_limit_dwell(sc, passive)); 4051278366Sadrian} 4052278366Sadrian 4053282383Sadrianstatic uint32_t 4054282383Sadrianwpi_get_scan_pause_time(uint32_t time, uint16_t bintval) 4055282383Sadrian{ 4056282383Sadrian uint32_t mod = (time % bintval) * IEEE80211_DUR_TU; 4057282383Sadrian uint32_t nbeacons = time / bintval; 4058282383Sadrian 4059282383Sadrian if (mod > WPI_PAUSE_MAX_TIME) 4060282383Sadrian mod = WPI_PAUSE_MAX_TIME; 4061282383Sadrian 4062282383Sadrian return WPI_PAUSE_SCAN(nbeacons, mod); 4063282383Sadrian} 4064282383Sadrian 4065278366Sadrian/* 4066278366Sadrian * Send a scan request to the firmware. 4067278366Sadrian */ 4068173362Sbenjscstatic int 4069278366Sadrianwpi_scan(struct wpi_softc *sc, struct ieee80211_channel *c) 4070173362Sbenjsc{ 4071287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 4072177043Sthompsa struct ieee80211_scan_state *ss = ic->ic_scan; 4073279762Sadrian struct ieee80211vap *vap = ss->ss_vap; 4074173362Sbenjsc struct wpi_scan_hdr *hdr; 4075278366Sadrian struct wpi_cmd_data *tx; 4076278366Sadrian struct wpi_scan_essid *essids; 4077173362Sbenjsc struct wpi_scan_chan *chan; 4078173362Sbenjsc struct ieee80211_frame *wh; 4079173362Sbenjsc struct ieee80211_rateset *rs; 4080289124Sadrian uint16_t bintval, buflen, dwell_active, dwell_passive; 4081289124Sadrian uint8_t *buf, *frm, i, nssid; 4082289124Sadrian int bgscan, error; 4083173362Sbenjsc 4084278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4085173362Sbenjsc 4086278366Sadrian /* 4087278366Sadrian * We are absolutely not allowed to send a scan command when another 4088278366Sadrian * scan command is pending. 4089278366Sadrian */ 4090280106Sadrian if (callout_pending(&sc->scan_timeout)) { 4091278366Sadrian device_printf(sc->sc_dev, "%s: called whilst scanning!\n", 4092278366Sadrian __func__); 4093282382Sadrian error = EAGAIN; 4094282382Sadrian goto fail; 4095282382Sadrian } 4096280060Sadrian 4097282382Sadrian bgscan = wpi_check_bss_filter(sc); 4098282382Sadrian bintval = vap->iv_bss->ni_intval; 4099282382Sadrian if (bgscan != 0 && 4100282382Sadrian bintval < WPI_QUIET_TIME_DEFAULT + WPI_CHANNEL_TUNE_TIME * 2) { 4101282382Sadrian error = EOPNOTSUPP; 4102282382Sadrian goto fail; 4103278366Sadrian } 4104278366Sadrian 4105278366Sadrian buf = malloc(WPI_SCAN_MAXSZ, M_DEVBUF, M_NOWAIT | M_ZERO); 4106278366Sadrian if (buf == NULL) { 4107173362Sbenjsc device_printf(sc->sc_dev, 4108278366Sadrian "%s: could not allocate buffer for scan command\n", 4109278366Sadrian __func__); 4110280060Sadrian error = ENOMEM; 4111280060Sadrian goto fail; 4112173362Sbenjsc } 4113278366Sadrian hdr = (struct wpi_scan_hdr *)buf; 4114173362Sbenjsc 4115173362Sbenjsc /* 4116278366Sadrian * Move to the next channel if no packets are received within 10 msecs 4117278366Sadrian * after sending the probe request. 4118173362Sbenjsc */ 4119282382Sadrian hdr->quiet_time = htole16(WPI_QUIET_TIME_DEFAULT); 4120282382Sadrian hdr->quiet_threshold = htole16(1); 4121282383Sadrian 4122282383Sadrian if (bgscan != 0) { 4123282383Sadrian /* 4124282383Sadrian * Max needs to be greater than active and passive and quiet! 4125282383Sadrian * It's also in microseconds! 4126282383Sadrian */ 4127282383Sadrian hdr->max_svc = htole32(250 * IEEE80211_DUR_TU); 4128282383Sadrian hdr->pause_svc = htole32(wpi_get_scan_pause_time(100, 4129282383Sadrian bintval)); 4130282383Sadrian } 4131282383Sadrian 4132278366Sadrian hdr->filter = htole32(WPI_FILTER_MULTICAST | WPI_FILTER_BEACON); 4133173362Sbenjsc 4134278366Sadrian tx = (struct wpi_cmd_data *)(hdr + 1); 4135278366Sadrian tx->flags = htole32(WPI_TX_AUTO_SEQ); 4136278366Sadrian tx->id = WPI_ID_BROADCAST; 4137278366Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 4138173362Sbenjsc 4139278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) { 4140278366Sadrian /* Send probe requests at 6Mbps. */ 4141278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_OFDM6]; 4142278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11A]; 4143173362Sbenjsc } else { 4144278366Sadrian hdr->flags = htole32(WPI_RXON_24GHZ | WPI_RXON_AUTO); 4145278366Sadrian /* Send probe requests at 1Mbps. */ 4146278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 4147278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11G]; 4148173362Sbenjsc } 4149173362Sbenjsc 4150278366Sadrian essids = (struct wpi_scan_essid *)(tx + 1); 4151177043Sthompsa nssid = MIN(ss->ss_nssid, WPI_SCAN_MAX_ESSIDS); 4152178354Ssam for (i = 0; i < nssid; i++) { 4153278366Sadrian essids[i].id = IEEE80211_ELEMID_SSID; 4154278366Sadrian essids[i].len = MIN(ss->ss_ssid[i].len, IEEE80211_NWID_LEN); 4155278366Sadrian memcpy(essids[i].data, ss->ss_ssid[i].ssid, essids[i].len); 4156179957Sthompsa#ifdef WPI_DEBUG 4157278366Sadrian if (sc->sc_debug & WPI_DEBUG_SCAN) { 4158177043Sthompsa printf("Scanning Essid: "); 4159278366Sadrian ieee80211_print_essid(essids[i].data, essids[i].len); 4160177043Sthompsa printf("\n"); 4161177043Sthompsa } 4162179957Sthompsa#endif 4163173362Sbenjsc } 4164173362Sbenjsc 4165173362Sbenjsc /* 4166173362Sbenjsc * Build a probe request frame. Most of the following code is a 4167173362Sbenjsc * copy & paste of what is done in net80211. 4168173362Sbenjsc */ 4169278366Sadrian wh = (struct ieee80211_frame *)(essids + WPI_SCAN_MAX_ESSIDS); 4170173362Sbenjsc wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 4171173362Sbenjsc IEEE80211_FC0_SUBTYPE_PROBE_REQ; 4172173362Sbenjsc wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 4173287197Sglebius IEEE80211_ADDR_COPY(wh->i_addr1, ieee80211broadcastaddr); 4174279762Sadrian IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); 4175287197Sglebius IEEE80211_ADDR_COPY(wh->i_addr3, ieee80211broadcastaddr); 4176173362Sbenjsc 4177173362Sbenjsc frm = (uint8_t *)(wh + 1); 4178275966Sadrian frm = ieee80211_add_ssid(frm, NULL, 0); 4179275966Sadrian frm = ieee80211_add_rates(frm, rs); 4180278366Sadrian if (rs->rs_nrates > IEEE80211_RATE_SIZE) 4181278366Sadrian frm = ieee80211_add_xrates(frm, rs); 4182173362Sbenjsc 4183278366Sadrian /* Set length of probe request. */ 4184278366Sadrian tx->len = htole16(frm - (uint8_t *)wh); 4185173362Sbenjsc 4186173362Sbenjsc /* 4187173362Sbenjsc * Construct information about the channel that we 4188173362Sbenjsc * want to scan. The firmware expects this to be directly 4189173362Sbenjsc * after the scan probe request 4190173362Sbenjsc */ 4191173362Sbenjsc chan = (struct wpi_scan_chan *)frm; 4192289011Sadrian chan->chan = ieee80211_chan2ieee(ic, c); 4193173362Sbenjsc chan->flags = 0; 4194278366Sadrian if (nssid) { 4195278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_DEFAULT; 4196278366Sadrian chan->flags |= WPI_CHAN_NPBREQS(nssid); 4197278366Sadrian } else 4198278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_NEVER; 4199278366Sadrian 4200278764Sadrian if (!IEEE80211_IS_CHAN_PASSIVE(c)) 4201173362Sbenjsc chan->flags |= WPI_CHAN_ACTIVE; 4202173362Sbenjsc 4203278366Sadrian /* 4204278366Sadrian * Calculate the active/passive dwell times. 4205278366Sadrian */ 4206278366Sadrian dwell_active = wpi_get_active_dwell_time(sc, c, nssid); 4207278366Sadrian dwell_passive = wpi_get_passive_dwell_time(sc, c); 4208278366Sadrian 4209278366Sadrian /* Make sure they're valid. */ 4210282382Sadrian if (dwell_active > dwell_passive) 4211282382Sadrian dwell_active = dwell_passive; 4212278366Sadrian 4213278366Sadrian chan->active = htole16(dwell_active); 4214278366Sadrian chan->passive = htole16(dwell_passive); 4215278366Sadrian 4216278366Sadrian chan->dsp_gain = 0x6e; /* Default level */ 4217278366Sadrian 4218278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) 4219278366Sadrian chan->rf_gain = 0x3b; 4220278366Sadrian else 4221278366Sadrian chan->rf_gain = 0x28; 4222278366Sadrian 4223278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "Scanning %u Passive: %d\n", 4224280059Sadrian chan->chan, IEEE80211_IS_CHAN_PASSIVE(c)); 4225278366Sadrian 4226173362Sbenjsc hdr->nchan++; 4227282376Sadrian 4228282376Sadrian if (hdr->nchan == 1 && sc->rxon.chan == chan->chan) { 4229282376Sadrian /* XXX Force probe request transmission. */ 4230282376Sadrian memcpy(chan + 1, chan, sizeof (struct wpi_scan_chan)); 4231282376Sadrian 4232282376Sadrian chan++; 4233282376Sadrian 4234282376Sadrian /* Reduce unnecessary delay. */ 4235282376Sadrian chan->flags = 0; 4236282376Sadrian chan->passive = chan->active = hdr->quiet_time; 4237282376Sadrian 4238282376Sadrian hdr->nchan++; 4239282376Sadrian } 4240282376Sadrian 4241173362Sbenjsc chan++; 4242173362Sbenjsc 4243278366Sadrian buflen = (uint8_t *)chan - buf; 4244278366Sadrian hdr->len = htole16(buflen); 4245173362Sbenjsc 4246278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "sending scan command nchan=%d\n", 4247278366Sadrian hdr->nchan); 4248278366Sadrian error = wpi_cmd(sc, WPI_CMD_SCAN, buf, buflen, 1); 4249278366Sadrian free(buf, M_DEVBUF); 4250173362Sbenjsc 4251280060Sadrian if (error != 0) 4252280060Sadrian goto fail; 4253280060Sadrian 4254280106Sadrian callout_reset(&sc->scan_timeout, 5*hz, wpi_scan_timeout, sc); 4255173362Sbenjsc 4256278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4257173362Sbenjsc 4258280060Sadrian return 0; 4259280060Sadrian 4260280060Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 4261280060Sadrian 4262278366Sadrian return error; 4263278366Sadrian} 4264173362Sbenjsc 4265278366Sadrianstatic int 4266278366Sadrianwpi_auth(struct wpi_softc *sc, struct ieee80211vap *vap) 4267278366Sadrian{ 4268278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4269278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4270282371Sadrian struct ieee80211_channel *c = ni->ni_chan; 4271278366Sadrian int error; 4272173362Sbenjsc 4273280108Sadrian WPI_RXON_LOCK(sc); 4274280108Sadrian 4275278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4276278366Sadrian 4277278366Sadrian /* Update adapter configuration. */ 4278278366Sadrian sc->rxon.associd = 0; 4279278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 4280278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4281282371Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 4282278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4283282371Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) 4284278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4285278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4286278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4287278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4288278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4289282371Sadrian if (IEEE80211_IS_CHAN_A(c)) { 4290278366Sadrian sc->rxon.cck_mask = 0; 4291278366Sadrian sc->rxon.ofdm_mask = 0x15; 4292282371Sadrian } else if (IEEE80211_IS_CHAN_B(c)) { 4293278366Sadrian sc->rxon.cck_mask = 0x03; 4294278366Sadrian sc->rxon.ofdm_mask = 0; 4295278366Sadrian } else { 4296278366Sadrian /* Assume 802.11b/g. */ 4297278366Sadrian sc->rxon.cck_mask = 0x0f; 4298278366Sadrian sc->rxon.ofdm_mask = 0x15; 4299173362Sbenjsc } 4300173362Sbenjsc 4301278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x cck %x ofdm %x\n", 4302278366Sadrian sc->rxon.chan, sc->rxon.flags, sc->rxon.cck_mask, 4303278366Sadrian sc->rxon.ofdm_mask); 4304173362Sbenjsc 4305278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4306278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4307278366Sadrian __func__); 4308278366Sadrian } 4309173362Sbenjsc 4310278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4311173362Sbenjsc 4312280108Sadrian WPI_RXON_UNLOCK(sc); 4313280108Sadrian 4314278366Sadrian return error; 4315173362Sbenjsc} 4316173362Sbenjsc 4317173362Sbenjscstatic int 4318280084Sadrianwpi_config_beacon(struct wpi_vap *wvp) 4319280084Sadrian{ 4320288095Sadrian struct ieee80211vap *vap = &wvp->wv_vap; 4321288095Sadrian struct ieee80211com *ic = vap->iv_ic; 4322288095Sadrian struct ieee80211_beacon_offsets *bo = &vap->iv_bcn_off; 4323280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4324286865Sadrian struct wpi_softc *sc = ic->ic_softc; 4325280084Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 4326280084Sadrian struct ieee80211_tim_ie *tie; 4327280084Sadrian struct mbuf *m; 4328280084Sadrian uint8_t *ptr; 4329280084Sadrian int error; 4330280084Sadrian 4331280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4332280084Sadrian 4333280086Sadrian WPI_VAP_LOCK_ASSERT(wvp); 4334280084Sadrian 4335280084Sadrian cmd->len = htole16(bcn->m->m_pkthdr.len); 4336280084Sadrian cmd->plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 4337280084Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 4338280084Sadrian 4339280084Sadrian /* XXX seems to be unused */ 4340280084Sadrian if (*(bo->bo_tim) == IEEE80211_ELEMID_TIM) { 4341280084Sadrian tie = (struct ieee80211_tim_ie *) bo->bo_tim; 4342280084Sadrian ptr = mtod(bcn->m, uint8_t *); 4343280084Sadrian 4344280084Sadrian cmd->tim = htole16(bo->bo_tim - ptr); 4345280084Sadrian cmd->timsz = tie->tim_len; 4346280084Sadrian } 4347280084Sadrian 4348280084Sadrian /* Necessary for recursion in ieee80211_beacon_update(). */ 4349280084Sadrian m = bcn->m; 4350280084Sadrian bcn->m = m_dup(m, M_NOWAIT); 4351280084Sadrian if (bcn->m == NULL) { 4352280084Sadrian device_printf(sc->sc_dev, 4353280084Sadrian "%s: could not copy beacon frame\n", __func__); 4354280084Sadrian error = ENOMEM; 4355280084Sadrian goto end; 4356280084Sadrian } 4357280084Sadrian 4358280084Sadrian if ((error = wpi_cmd2(sc, bcn)) != 0) { 4359280084Sadrian device_printf(sc->sc_dev, 4360280084Sadrian "%s: could not update beacon frame, error %d", __func__, 4361280084Sadrian error); 4362289128Sadrian m_freem(bcn->m); 4363280084Sadrian } 4364280084Sadrian 4365280084Sadrian /* Restore mbuf. */ 4366280084Sadrianend: bcn->m = m; 4367280084Sadrian 4368280084Sadrian return error; 4369280084Sadrian} 4370280084Sadrian 4371280084Sadrianstatic int 4372278366Sadrianwpi_setup_beacon(struct wpi_softc *sc, struct ieee80211_node *ni) 4373173362Sbenjsc{ 4374288095Sadrian struct ieee80211vap *vap = ni->ni_vap; 4375288095Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4376278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4377278366Sadrian struct mbuf *m; 4378280084Sadrian int error; 4379173362Sbenjsc 4380278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4381278366Sadrian 4382278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) 4383278366Sadrian return EINVAL; 4384278366Sadrian 4385288636Sadrian m = ieee80211_beacon_alloc(ni); 4386278366Sadrian if (m == NULL) { 4387278366Sadrian device_printf(sc->sc_dev, 4388278366Sadrian "%s: could not allocate beacon frame\n", __func__); 4389278366Sadrian return ENOMEM; 4390173362Sbenjsc } 4391173362Sbenjsc 4392280086Sadrian WPI_VAP_LOCK(wvp); 4393280084Sadrian if (bcn->m != NULL) 4394280084Sadrian m_freem(bcn->m); 4395278366Sadrian 4396278366Sadrian bcn->m = m; 4397278366Sadrian 4398280084Sadrian error = wpi_config_beacon(wvp); 4399280086Sadrian WPI_VAP_UNLOCK(wvp); 4400280084Sadrian 4401280084Sadrian return error; 4402278366Sadrian} 4403278366Sadrian 4404278366Sadrianstatic void 4405278366Sadrianwpi_update_beacon(struct ieee80211vap *vap, int item) 4406278366Sadrian{ 4407286865Sadrian struct wpi_softc *sc = vap->iv_ic->ic_softc; 4408280084Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4409280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4410288095Sadrian struct ieee80211_beacon_offsets *bo = &vap->iv_bcn_off; 4411278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4412280084Sadrian int mcast = 0; 4413278366Sadrian 4414280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4415280084Sadrian 4416280086Sadrian WPI_VAP_LOCK(wvp); 4417280084Sadrian if (bcn->m == NULL) { 4418288636Sadrian bcn->m = ieee80211_beacon_alloc(ni); 4419280084Sadrian if (bcn->m == NULL) { 4420280084Sadrian device_printf(sc->sc_dev, 4421280084Sadrian "%s: could not allocate beacon frame\n", __func__); 4422280084Sadrian 4423280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, 4424280084Sadrian __func__); 4425280084Sadrian 4426280086Sadrian WPI_VAP_UNLOCK(wvp); 4427280084Sadrian return; 4428280084Sadrian } 4429173362Sbenjsc } 4430280086Sadrian WPI_VAP_UNLOCK(wvp); 4431280084Sadrian 4432280084Sadrian if (item == IEEE80211_BEACON_TIM) 4433280084Sadrian mcast = 1; /* TODO */ 4434280084Sadrian 4435280084Sadrian setbit(bo->bo_flags, item); 4436288636Sadrian ieee80211_beacon_update(ni, bcn->m, mcast); 4437280084Sadrian 4438280086Sadrian WPI_VAP_LOCK(wvp); 4439280084Sadrian wpi_config_beacon(wvp); 4440280086Sadrian WPI_VAP_UNLOCK(wvp); 4441280084Sadrian 4442280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4443278366Sadrian} 4444173362Sbenjsc 4445280079Sadrianstatic void 4446280079Sadrianwpi_newassoc(struct ieee80211_node *ni, int isnew) 4447280079Sadrian{ 4448280079Sadrian struct ieee80211vap *vap = ni->ni_vap; 4449286865Sadrian struct wpi_softc *sc = ni->ni_ic->ic_softc; 4450280079Sadrian struct wpi_node *wn = WPI_NODE(ni); 4451280079Sadrian int error; 4452280079Sadrian 4453280079Sadrian WPI_NT_LOCK(sc); 4454280079Sadrian 4455280079Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4456280079Sadrian 4457280079Sadrian if (vap->iv_opmode != IEEE80211_M_STA && wn->id == WPI_ID_UNDEFINED) { 4458280079Sadrian if ((error = wpi_add_ibss_node(sc, ni)) != 0) { 4459280079Sadrian device_printf(sc->sc_dev, 4460280079Sadrian "%s: could not add IBSS node, error %d\n", 4461280079Sadrian __func__, error); 4462280079Sadrian } 4463280079Sadrian } 4464280079Sadrian WPI_NT_UNLOCK(sc); 4465280079Sadrian} 4466280079Sadrian 4467278366Sadrianstatic int 4468278366Sadrianwpi_run(struct wpi_softc *sc, struct ieee80211vap *vap) 4469278366Sadrian{ 4470278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4471278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4472282371Sadrian struct ieee80211_channel *c = ni->ni_chan; 4473278366Sadrian int error; 4474278366Sadrian 4475278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4476278366Sadrian 4477278366Sadrian if (vap->iv_opmode == IEEE80211_M_MONITOR) { 4478278366Sadrian /* Link LED blinks while monitoring. */ 4479278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 5, 5); 4480278366Sadrian return 0; 4481173362Sbenjsc } 4482278366Sadrian 4483278366Sadrian /* XXX kernel panic workaround */ 4484282371Sadrian if (c == IEEE80211_CHAN_ANYC) { 4485278366Sadrian device_printf(sc->sc_dev, "%s: incomplete configuration\n", 4486278366Sadrian __func__); 4487195562Srpaulo return EINVAL; 4488173362Sbenjsc } 4489278366Sadrian 4490278366Sadrian if ((error = wpi_set_timing(sc, ni)) != 0) { 4491278366Sadrian device_printf(sc->sc_dev, 4492278366Sadrian "%s: could not set timing, error %d\n", __func__, error); 4493173362Sbenjsc return error; 4494173362Sbenjsc } 4495173362Sbenjsc 4496278366Sadrian /* Update adapter configuration. */ 4497280108Sadrian WPI_RXON_LOCK(sc); 4498278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4499278366Sadrian sc->rxon.associd = htole16(IEEE80211_NODE_AID(ni)); 4500282371Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 4501278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4502282371Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) 4503278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4504278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4505278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4506278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4507278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4508282371Sadrian if (IEEE80211_IS_CHAN_A(c)) { 4509278366Sadrian sc->rxon.cck_mask = 0; 4510278366Sadrian sc->rxon.ofdm_mask = 0x15; 4511282371Sadrian } else if (IEEE80211_IS_CHAN_B(c)) { 4512278366Sadrian sc->rxon.cck_mask = 0x03; 4513278366Sadrian sc->rxon.ofdm_mask = 0; 4514278366Sadrian } else { 4515278366Sadrian /* Assume 802.11b/g. */ 4516278366Sadrian sc->rxon.cck_mask = 0x0f; 4517278366Sadrian sc->rxon.ofdm_mask = 0x15; 4518173362Sbenjsc } 4519278366Sadrian sc->rxon.filter |= htole32(WPI_FILTER_BSS); 4520173362Sbenjsc 4521278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x\n", 4522278366Sadrian sc->rxon.chan, sc->rxon.flags); 4523278366Sadrian 4524278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4525278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4526278366Sadrian __func__); 4527173362Sbenjsc return error; 4528173362Sbenjsc } 4529173362Sbenjsc 4530280108Sadrian /* Start periodic calibration timer. */ 4531280108Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 4532280108Sadrian 4533280108Sadrian WPI_RXON_UNLOCK(sc); 4534280108Sadrian 4535280105Sadrian if (vap->iv_opmode == IEEE80211_M_IBSS || 4536280105Sadrian vap->iv_opmode == IEEE80211_M_HOSTAP) { 4537278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 4538278366Sadrian device_printf(sc->sc_dev, 4539278366Sadrian "%s: could not setup beacon, error %d\n", __func__, 4540278366Sadrian error); 4541278366Sadrian return error; 4542278366Sadrian } 4543173362Sbenjsc } 4544173362Sbenjsc 4545278366Sadrian if (vap->iv_opmode == IEEE80211_M_STA) { 4546278366Sadrian /* Add BSS node. */ 4547280077Sadrian WPI_NT_LOCK(sc); 4548280070Sadrian error = wpi_add_sta_node(sc, ni); 4549280077Sadrian WPI_NT_UNLOCK(sc); 4550280070Sadrian if (error != 0) { 4551278366Sadrian device_printf(sc->sc_dev, 4552278366Sadrian "%s: could not add BSS node, error %d\n", __func__, 4553278366Sadrian error); 4554278366Sadrian return error; 4555278366Sadrian } 4556278366Sadrian } 4557173362Sbenjsc 4558278366Sadrian /* Link LED always on while associated. */ 4559278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 4560173362Sbenjsc 4561278366Sadrian /* Enable power-saving mode if requested by user. */ 4562280099Sadrian if ((vap->iv_flags & IEEE80211_F_PMGTON) && 4563280099Sadrian vap->iv_opmode != IEEE80211_M_IBSS) 4564278366Sadrian (void)wpi_set_pslevel(sc, 0, 3, 1); 4565173362Sbenjsc 4566278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4567173362Sbenjsc 4568278366Sadrian return 0; 4569173362Sbenjsc} 4570173362Sbenjsc 4571173362Sbenjscstatic int 4572280088Sadrianwpi_load_key(struct ieee80211_node *ni, const struct ieee80211_key *k) 4573173362Sbenjsc{ 4574278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4575280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4576286865Sadrian struct wpi_softc *sc = ni->ni_ic->ic_softc; 4577280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4578278366Sadrian struct wpi_node_info node; 4579278366Sadrian uint16_t kflags; 4580278366Sadrian int error; 4581173362Sbenjsc 4582278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4583173362Sbenjsc 4584280088Sadrian if (wpi_check_node_entry(sc, wn->id) == 0) { 4585280088Sadrian device_printf(sc->sc_dev, "%s: node does not exist\n", 4586280088Sadrian __func__); 4587280088Sadrian return 0; 4588280088Sadrian } 4589280088Sadrian 4590278366Sadrian switch (cip->ic_cipher) { 4591278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4592278366Sadrian kflags = WPI_KFLAG_CCMP; 4593278366Sadrian break; 4594280088Sadrian 4595278366Sadrian default: 4596280088Sadrian device_printf(sc->sc_dev, "%s: unknown cipher %d\n", __func__, 4597280088Sadrian cip->ic_cipher); 4598280088Sadrian return 0; 4599278366Sadrian } 4600173362Sbenjsc 4601278366Sadrian kflags |= WPI_KFLAG_KID(k->wk_keyix); 4602278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4603278366Sadrian kflags |= WPI_KFLAG_MULTICAST; 4604173362Sbenjsc 4605278366Sadrian memset(&node, 0, sizeof node); 4606278366Sadrian node.id = wn->id; 4607278366Sadrian node.control = WPI_NODE_UPDATE; 4608278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4609278366Sadrian node.kflags = htole16(kflags); 4610278366Sadrian memcpy(node.key, k->wk_key, k->wk_keylen); 4611280088Sadrianagain: 4612280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, 4613280088Sadrian "%s: setting %s key id %d for node %d (%s)\n", __func__, 4614280088Sadrian (kflags & WPI_KFLAG_MULTICAST) ? "group" : "ucast", k->wk_keyix, 4615280088Sadrian node.id, ether_sprintf(ni->ni_macaddr)); 4616173362Sbenjsc 4617278366Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4618278366Sadrian if (error != 0) { 4619278366Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4620278366Sadrian error); 4621280088Sadrian return !error; 4622173362Sbenjsc } 4623173362Sbenjsc 4624280088Sadrian if (!(kflags & WPI_KFLAG_MULTICAST) && &vap->iv_nw_keys[0] <= k && 4625280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4626280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4627280088Sadrian node.kflags = htole16(kflags); 4628280088Sadrian 4629280088Sadrian goto again; 4630280088Sadrian } 4631280088Sadrian 4632278366Sadrian return 1; 4633173362Sbenjsc} 4634173362Sbenjsc 4635280088Sadrianstatic void 4636280088Sadrianwpi_load_key_cb(void *arg, struct ieee80211_node *ni) 4637280088Sadrian{ 4638280088Sadrian const struct ieee80211_key *k = arg; 4639280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4640286865Sadrian struct wpi_softc *sc = ni->ni_ic->ic_softc; 4641280088Sadrian struct wpi_node *wn = WPI_NODE(ni); 4642280088Sadrian int error; 4643280088Sadrian 4644280088Sadrian if (vap->iv_bss == ni && wn->id == WPI_ID_UNDEFINED) 4645280088Sadrian return; 4646280088Sadrian 4647280088Sadrian WPI_NT_LOCK(sc); 4648280088Sadrian error = wpi_load_key(ni, k); 4649280088Sadrian WPI_NT_UNLOCK(sc); 4650280088Sadrian 4651280088Sadrian if (error == 0) { 4652280088Sadrian device_printf(sc->sc_dev, "%s: error while setting key\n", 4653280088Sadrian __func__); 4654280088Sadrian } 4655280088Sadrian} 4656280088Sadrian 4657278366Sadrianstatic int 4658280088Sadrianwpi_set_global_keys(struct ieee80211_node *ni) 4659173362Sbenjsc{ 4660280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4661280088Sadrian struct ieee80211_key *wk = &vap->iv_nw_keys[0]; 4662280088Sadrian int error = 1; 4663280088Sadrian 4664280088Sadrian for (; wk < &vap->iv_nw_keys[IEEE80211_WEP_NKID] && error; wk++) 4665280088Sadrian if (wk->wk_keyix != IEEE80211_KEYIX_NONE) 4666280088Sadrian error = wpi_load_key(ni, wk); 4667280088Sadrian 4668280088Sadrian return !error; 4669280088Sadrian} 4670280088Sadrian 4671280088Sadrianstatic int 4672280088Sadrianwpi_del_key(struct ieee80211_node *ni, const struct ieee80211_key *k) 4673280088Sadrian{ 4674280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4675286865Sadrian struct wpi_softc *sc = ni->ni_ic->ic_softc; 4676280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4677278366Sadrian struct wpi_node_info node; 4678280088Sadrian uint16_t kflags; 4679280088Sadrian int error; 4680173362Sbenjsc 4681278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4682173362Sbenjsc 4683280088Sadrian if (wpi_check_node_entry(sc, wn->id) == 0) { 4684280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: node was removed\n", __func__); 4685280088Sadrian return 1; /* Nothing to do. */ 4686278366Sadrian } 4687173362Sbenjsc 4688280088Sadrian kflags = WPI_KFLAG_KID(k->wk_keyix); 4689280088Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4690280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4691173362Sbenjsc 4692278366Sadrian memset(&node, 0, sizeof node); 4693278366Sadrian node.id = wn->id; 4694278366Sadrian node.control = WPI_NODE_UPDATE; 4695278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4696280088Sadrian node.kflags = htole16(kflags); 4697280088Sadrianagain: 4698280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: deleting %s key %d for node %d (%s)\n", 4699280088Sadrian __func__, (kflags & WPI_KFLAG_MULTICAST) ? "group" : "ucast", 4700280088Sadrian k->wk_keyix, node.id, ether_sprintf(ni->ni_macaddr)); 4701173362Sbenjsc 4702280088Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4703280088Sadrian if (error != 0) { 4704280088Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4705280088Sadrian error); 4706280088Sadrian return !error; 4707280088Sadrian } 4708173362Sbenjsc 4709280088Sadrian if (!(kflags & WPI_KFLAG_MULTICAST) && &vap->iv_nw_keys[0] <= k && 4710280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4711280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4712280088Sadrian node.kflags = htole16(kflags); 4713280088Sadrian 4714280088Sadrian goto again; 4715280088Sadrian } 4716280088Sadrian 4717278366Sadrian return 1; 4718173362Sbenjsc} 4719173362Sbenjsc 4720280088Sadrianstatic void 4721280088Sadrianwpi_del_key_cb(void *arg, struct ieee80211_node *ni) 4722280088Sadrian{ 4723280088Sadrian const struct ieee80211_key *k = arg; 4724280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4725286865Sadrian struct wpi_softc *sc = ni->ni_ic->ic_softc; 4726280088Sadrian struct wpi_node *wn = WPI_NODE(ni); 4727280088Sadrian int error; 4728280088Sadrian 4729280088Sadrian if (vap->iv_bss == ni && wn->id == WPI_ID_UNDEFINED) 4730280088Sadrian return; 4731280088Sadrian 4732280088Sadrian WPI_NT_LOCK(sc); 4733280088Sadrian error = wpi_del_key(ni, k); 4734280088Sadrian WPI_NT_UNLOCK(sc); 4735280088Sadrian 4736280088Sadrian if (error == 0) { 4737280088Sadrian device_printf(sc->sc_dev, "%s: error while deleting key\n", 4738280088Sadrian __func__); 4739280088Sadrian } 4740280088Sadrian} 4741280088Sadrian 4742280088Sadrianstatic int 4743280088Sadrianwpi_process_key(struct ieee80211vap *vap, const struct ieee80211_key *k, 4744280088Sadrian int set) 4745280088Sadrian{ 4746280088Sadrian struct ieee80211com *ic = vap->iv_ic; 4747286865Sadrian struct wpi_softc *sc = ic->ic_softc; 4748280088Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4749280088Sadrian struct ieee80211_node *ni; 4750280088Sadrian int error, ni_ref = 0; 4751280088Sadrian 4752280088Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4753280088Sadrian 4754280088Sadrian if (k->wk_flags & IEEE80211_KEY_SWCRYPT) { 4755280088Sadrian /* Not for us. */ 4756280088Sadrian return 1; 4757280088Sadrian } 4758280088Sadrian 4759280088Sadrian if (!(k->wk_flags & IEEE80211_KEY_RECV)) { 4760280088Sadrian /* XMIT keys are handled in wpi_tx_data(). */ 4761280088Sadrian return 1; 4762280088Sadrian } 4763280088Sadrian 4764280088Sadrian /* Handle group keys. */ 4765280088Sadrian if (&vap->iv_nw_keys[0] <= k && 4766280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4767280088Sadrian WPI_NT_LOCK(sc); 4768280088Sadrian if (set) 4769280088Sadrian wvp->wv_gtk |= WPI_VAP_KEY(k->wk_keyix); 4770280088Sadrian else 4771280088Sadrian wvp->wv_gtk &= ~WPI_VAP_KEY(k->wk_keyix); 4772280088Sadrian WPI_NT_UNLOCK(sc); 4773280088Sadrian 4774280088Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 4775280088Sadrian ieee80211_iterate_nodes(&ic->ic_sta, 4776280127Skib set ? wpi_load_key_cb : wpi_del_key_cb, 4777280127Skib __DECONST(void *, k)); 4778280088Sadrian } 4779280088Sadrian 4780280088Sadrian return 1; 4781280088Sadrian } 4782280088Sadrian 4783280088Sadrian switch (vap->iv_opmode) { 4784280088Sadrian case IEEE80211_M_STA: 4785280088Sadrian ni = vap->iv_bss; 4786280088Sadrian break; 4787280088Sadrian 4788280088Sadrian case IEEE80211_M_IBSS: 4789280088Sadrian case IEEE80211_M_AHDEMO: 4790280105Sadrian case IEEE80211_M_HOSTAP: 4791280088Sadrian ni = ieee80211_find_vap_node(&ic->ic_sta, vap, k->wk_macaddr); 4792280088Sadrian if (ni == NULL) 4793280088Sadrian return 0; /* should not happen */ 4794280088Sadrian 4795280088Sadrian ni_ref = 1; 4796280088Sadrian break; 4797280088Sadrian 4798280088Sadrian default: 4799280088Sadrian device_printf(sc->sc_dev, "%s: unknown opmode %d\n", __func__, 4800280088Sadrian vap->iv_opmode); 4801280088Sadrian return 0; 4802280088Sadrian } 4803280088Sadrian 4804280088Sadrian WPI_NT_LOCK(sc); 4805280088Sadrian if (set) 4806280088Sadrian error = wpi_load_key(ni, k); 4807280088Sadrian else 4808280088Sadrian error = wpi_del_key(ni, k); 4809280088Sadrian WPI_NT_UNLOCK(sc); 4810280088Sadrian 4811280088Sadrian if (ni_ref) 4812280088Sadrian ieee80211_node_decref(ni); 4813280088Sadrian 4814280088Sadrian return error; 4815280088Sadrian} 4816280088Sadrian 4817280088Sadrianstatic int 4818288635Sadrianwpi_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k) 4819280088Sadrian{ 4820280088Sadrian return wpi_process_key(vap, k, 1); 4821280088Sadrian} 4822280088Sadrian 4823280088Sadrianstatic int 4824280088Sadrianwpi_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 4825280088Sadrian{ 4826280088Sadrian return wpi_process_key(vap, k, 0); 4827280088Sadrian} 4828280088Sadrian 4829278366Sadrian/* 4830278366Sadrian * This function is called after the runtime firmware notifies us of its 4831278366Sadrian * readiness (called in a process context). 4832278366Sadrian */ 4833278366Sadrianstatic int 4834278366Sadrianwpi_post_alive(struct wpi_softc *sc) 4835177043Sthompsa{ 4836278366Sadrian int ntries, error; 4837177043Sthompsa 4838278366Sadrian /* Check (again) that the radio is not disabled. */ 4839278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4840278366Sadrian return error; 4841177043Sthompsa 4842278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4843278366Sadrian 4844278366Sadrian /* NB: Runtime firmware must be up and running. */ 4845278366Sadrian if (!(wpi_prph_read(sc, WPI_APMG_RFKILL) & 1)) { 4846282391Sadrian device_printf(sc->sc_dev, 4847278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4848278366Sadrian wpi_nic_unlock(sc); 4849278366Sadrian return EPERM; /* :-) */ 4850278366Sadrian } 4851278366Sadrian wpi_nic_unlock(sc); 4852278366Sadrian 4853278366Sadrian /* Wait for thermal sensor to calibrate. */ 4854177043Sthompsa for (ntries = 0; ntries < 1000; ntries++) { 4855278366Sadrian if ((sc->temp = (int)WPI_READ(sc, WPI_UCODE_GP2)) != 0) 4856177043Sthompsa break; 4857177043Sthompsa DELAY(10); 4858177043Sthompsa } 4859177043Sthompsa 4860177043Sthompsa if (ntries == 1000) { 4861177043Sthompsa device_printf(sc->sc_dev, 4862278366Sadrian "timeout waiting for thermal sensor calibration\n"); 4863280059Sadrian return ETIMEDOUT; 4864280059Sadrian } 4865177043Sthompsa 4866280059Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d\n", sc->temp); 4867280059Sadrian return 0; 4868278366Sadrian} 4869177043Sthompsa 4870278366Sadrian/* 4871278366Sadrian * The firmware boot code is small and is intended to be copied directly into 4872278366Sadrian * the NIC internal memory (no DMA transfer). 4873278366Sadrian */ 4874278366Sadrianstatic int 4875289124Sadrianwpi_load_bootcode(struct wpi_softc *sc, const uint8_t *ucode, uint32_t size) 4876278366Sadrian{ 4877278366Sadrian int error, ntries; 4878177043Sthompsa 4879278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, "Loading microcode size 0x%x\n", size); 4880278366Sadrian 4881278366Sadrian size /= sizeof (uint32_t); 4882278366Sadrian 4883278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4884278366Sadrian return error; 4885278366Sadrian 4886278366Sadrian /* Copy microcode image into NIC memory. */ 4887278366Sadrian wpi_prph_write_region_4(sc, WPI_BSM_SRAM_BASE, 4888278366Sadrian (const uint32_t *)ucode, size); 4889278366Sadrian 4890278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_SRC, 0); 4891278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_DST, WPI_FW_TEXT_BASE); 4892278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_DWCOUNT, size); 4893278366Sadrian 4894278366Sadrian /* Start boot load now. */ 4895278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START); 4896278366Sadrian 4897278366Sadrian /* Wait for transfer to complete. */ 4898278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 4899278366Sadrian uint32_t status = WPI_READ(sc, WPI_FH_TX_STATUS); 4900278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4901278366Sadrian "firmware status=0x%x, val=0x%x, result=0x%x\n", status, 4902278366Sadrian WPI_FH_TX_STATUS_IDLE(6), 4903278366Sadrian status & WPI_FH_TX_STATUS_IDLE(6)); 4904278366Sadrian if (status & WPI_FH_TX_STATUS_IDLE(6)) { 4905278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4906278366Sadrian "Status Match! - ntries = %d\n", ntries); 4907278366Sadrian break; 4908178354Ssam } 4909278366Sadrian DELAY(10); 4910177043Sthompsa } 4911278366Sadrian if (ntries == 1000) { 4912278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4913278366Sadrian __func__); 4914278366Sadrian wpi_nic_unlock(sc); 4915278366Sadrian return ETIMEDOUT; 4916278366Sadrian } 4917177043Sthompsa 4918278366Sadrian /* Enable boot after power up. */ 4919278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START_EN); 4920278366Sadrian 4921278366Sadrian wpi_nic_unlock(sc); 4922278366Sadrian return 0; 4923177043Sthompsa} 4924177043Sthompsa 4925278366Sadrianstatic int 4926278366Sadrianwpi_load_firmware(struct wpi_softc *sc) 4927177043Sthompsa{ 4928278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4929278366Sadrian struct wpi_dma_info *dma = &sc->fw_dma; 4930278366Sadrian int error; 4931173362Sbenjsc 4932278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4933173362Sbenjsc 4934278366Sadrian /* Copy initialization sections into pre-allocated DMA-safe memory. */ 4935278366Sadrian memcpy(dma->vaddr, fw->init.data, fw->init.datasz); 4936278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4937278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->init.text, fw->init.textsz); 4938278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4939173362Sbenjsc 4940278366Sadrian /* Tell adapter where to find initialization sections. */ 4941278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4942278366Sadrian return error; 4943278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4944278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->init.datasz); 4945278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4946278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4947278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, fw->init.textsz); 4948278366Sadrian wpi_nic_unlock(sc); 4949173362Sbenjsc 4950278366Sadrian /* Load firmware boot code. */ 4951278366Sadrian error = wpi_load_bootcode(sc, fw->boot.text, fw->boot.textsz); 4952278366Sadrian if (error != 0) { 4953278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4954278366Sadrian __func__); 4955278366Sadrian return error; 4956278366Sadrian } 4957173362Sbenjsc 4958278366Sadrian /* Now press "execute". */ 4959278366Sadrian WPI_WRITE(sc, WPI_RESET, 0); 4960173362Sbenjsc 4961278366Sadrian /* Wait at most one second for first alive notification. */ 4962280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4963278366Sadrian device_printf(sc->sc_dev, 4964278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4965278366Sadrian __func__, error); 4966278366Sadrian return error; 4967173362Sbenjsc } 4968173362Sbenjsc 4969278366Sadrian /* Copy runtime sections into pre-allocated DMA-safe memory. */ 4970278366Sadrian memcpy(dma->vaddr, fw->main.data, fw->main.datasz); 4971278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4972278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->main.text, fw->main.textsz); 4973278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4974173362Sbenjsc 4975278366Sadrian /* Tell adapter where to find runtime sections. */ 4976278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4977278366Sadrian return error; 4978278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4979278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->main.datasz); 4980278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4981278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4982278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, 4983278366Sadrian WPI_FW_UPDATED | fw->main.textsz); 4984278366Sadrian wpi_nic_unlock(sc); 4985173362Sbenjsc 4986278366Sadrian return 0; 4987278366Sadrian} 4988173362Sbenjsc 4989278366Sadrianstatic int 4990278366Sadrianwpi_read_firmware(struct wpi_softc *sc) 4991278366Sadrian{ 4992278366Sadrian const struct firmware *fp; 4993278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4994278366Sadrian const struct wpi_firmware_hdr *hdr; 4995278366Sadrian int error; 4996173362Sbenjsc 4997278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4998278366Sadrian 4999278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 5000278366Sadrian "Attempting Loading Firmware from %s module\n", WPI_FW_NAME); 5001278366Sadrian 5002278366Sadrian WPI_UNLOCK(sc); 5003278366Sadrian fp = firmware_get(WPI_FW_NAME); 5004278366Sadrian WPI_LOCK(sc); 5005278366Sadrian 5006278366Sadrian if (fp == NULL) { 5007278366Sadrian device_printf(sc->sc_dev, 5008278366Sadrian "could not load firmware image '%s'\n", WPI_FW_NAME); 5009278366Sadrian return EINVAL; 5010173362Sbenjsc } 5011173362Sbenjsc 5012278366Sadrian sc->fw_fp = fp; 5013173362Sbenjsc 5014278366Sadrian if (fp->datasize < sizeof (struct wpi_firmware_hdr)) { 5015278366Sadrian device_printf(sc->sc_dev, 5016278366Sadrian "firmware file too short: %zu bytes\n", fp->datasize); 5017278366Sadrian error = EINVAL; 5018278366Sadrian goto fail; 5019173362Sbenjsc } 5020173362Sbenjsc 5021278366Sadrian fw->size = fp->datasize; 5022278366Sadrian fw->data = (const uint8_t *)fp->data; 5023278366Sadrian 5024278366Sadrian /* Extract firmware header information. */ 5025278366Sadrian hdr = (const struct wpi_firmware_hdr *)fw->data; 5026278366Sadrian 5027278366Sadrian /* | RUNTIME FIRMWARE | INIT FIRMWARE | BOOT FW | 5028278366Sadrian |HDR|<--TEXT-->|<--DATA-->|<--TEXT-->|<--DATA-->|<--TEXT-->| */ 5029278366Sadrian 5030278366Sadrian fw->main.textsz = le32toh(hdr->rtextsz); 5031278366Sadrian fw->main.datasz = le32toh(hdr->rdatasz); 5032278366Sadrian fw->init.textsz = le32toh(hdr->itextsz); 5033278366Sadrian fw->init.datasz = le32toh(hdr->idatasz); 5034278366Sadrian fw->boot.textsz = le32toh(hdr->btextsz); 5035278366Sadrian fw->boot.datasz = 0; 5036278366Sadrian 5037278366Sadrian /* Sanity-check firmware header. */ 5038278366Sadrian if (fw->main.textsz > WPI_FW_TEXT_MAXSZ || 5039278366Sadrian fw->main.datasz > WPI_FW_DATA_MAXSZ || 5040278366Sadrian fw->init.textsz > WPI_FW_TEXT_MAXSZ || 5041278366Sadrian fw->init.datasz > WPI_FW_DATA_MAXSZ || 5042278366Sadrian fw->boot.textsz > WPI_FW_BOOT_TEXT_MAXSZ || 5043278366Sadrian (fw->boot.textsz & 3) != 0) { 5044278366Sadrian device_printf(sc->sc_dev, "invalid firmware header\n"); 5045278366Sadrian error = EINVAL; 5046278366Sadrian goto fail; 5047173362Sbenjsc } 5048173362Sbenjsc 5049278366Sadrian /* Check that all firmware sections fit. */ 5050278366Sadrian if (fw->size < sizeof (*hdr) + fw->main.textsz + fw->main.datasz + 5051278366Sadrian fw->init.textsz + fw->init.datasz + fw->boot.textsz) { 5052173362Sbenjsc device_printf(sc->sc_dev, 5053278366Sadrian "firmware file too short: %zu bytes\n", fw->size); 5054278366Sadrian error = EINVAL; 5055278366Sadrian goto fail; 5056173362Sbenjsc } 5057173362Sbenjsc 5058278366Sadrian /* Get pointers to firmware sections. */ 5059278366Sadrian fw->main.text = (const uint8_t *)(hdr + 1); 5060278366Sadrian fw->main.data = fw->main.text + fw->main.textsz; 5061278366Sadrian fw->init.text = fw->main.data + fw->main.datasz; 5062278366Sadrian fw->init.data = fw->init.text + fw->init.textsz; 5063278366Sadrian fw->boot.text = fw->init.data + fw->init.datasz; 5064177043Sthompsa 5065278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 5066278366Sadrian "Firmware Version: Major %d, Minor %d, Driver %d, \n" 5067280066Sadrian "runtime (text: %u, data: %u) init (text: %u, data %u) " 5068280066Sadrian "boot (text %u)\n", hdr->major, hdr->minor, le32toh(hdr->driver), 5069278366Sadrian fw->main.textsz, fw->main.datasz, 5070278366Sadrian fw->init.textsz, fw->init.datasz, fw->boot.textsz); 5071278366Sadrian 5072278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.text %p\n", fw->main.text); 5073278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.data %p\n", fw->main.data); 5074278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.text %p\n", fw->init.text); 5075278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.data %p\n", fw->init.data); 5076278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->boot.text %p\n", fw->boot.text); 5077278366Sadrian 5078278366Sadrian return 0; 5079278366Sadrian 5080278366Sadrianfail: wpi_unload_firmware(sc); 5081278366Sadrian return error; 5082173362Sbenjsc} 5083173362Sbenjsc 5084278366Sadrian/** 5085278366Sadrian * Free the referenced firmware image 5086278366Sadrian */ 5087173362Sbenjscstatic void 5088278366Sadrianwpi_unload_firmware(struct wpi_softc *sc) 5089173362Sbenjsc{ 5090278366Sadrian if (sc->fw_fp != NULL) { 5091278366Sadrian firmware_put(sc->fw_fp, FIRMWARE_UNLOAD); 5092278366Sadrian sc->fw_fp = NULL; 5093278366Sadrian } 5094278366Sadrian} 5095173362Sbenjsc 5096278366Sadrianstatic int 5097278366Sadrianwpi_clock_wait(struct wpi_softc *sc) 5098278366Sadrian{ 5099278366Sadrian int ntries; 5100173362Sbenjsc 5101278366Sadrian /* Set "initialization complete" bit. */ 5102278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 5103278366Sadrian 5104278366Sadrian /* Wait for clock stabilization. */ 5105278366Sadrian for (ntries = 0; ntries < 2500; ntries++) { 5106278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_MAC_CLOCK_READY) 5107278366Sadrian return 0; 5108278366Sadrian DELAY(100); 5109278366Sadrian } 5110278366Sadrian device_printf(sc->sc_dev, 5111278366Sadrian "%s: timeout waiting for clock stabilization\n", __func__); 5112278366Sadrian 5113278366Sadrian return ETIMEDOUT; 5114173362Sbenjsc} 5115178354Ssam 5116278366Sadrianstatic int 5117278366Sadrianwpi_apm_init(struct wpi_softc *sc) 5118173362Sbenjsc{ 5119278366Sadrian uint32_t reg; 5120278366Sadrian int error; 5121173362Sbenjsc 5122278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5123173362Sbenjsc 5124278366Sadrian /* Disable L0s exit timer (NMI bug workaround). */ 5125278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_DIS_L0S_TIMER); 5126278366Sadrian /* Don't wait for ICH L0s (ICH bug workaround). */ 5127278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_L1A_NO_L0S_RX); 5128173362Sbenjsc 5129278366Sadrian /* Set FH wait threshold to max (HW bug under stress workaround). */ 5130278366Sadrian WPI_SETBITS(sc, WPI_DBG_HPET_MEM, 0xffff0000); 5131173362Sbenjsc 5132278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 5133290950Savos reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + PCIER_LINK_CTL, 1); 5134278366Sadrian /* Workaround for HW instability in PCIe L0->L0s->L1 transition. */ 5135290950Savos if (reg & PCIEM_LINK_CTL_ASPMC_L1) /* L1 Entry enabled. */ 5136278366Sadrian WPI_SETBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 5137278366Sadrian else 5138278366Sadrian WPI_CLRBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 5139173362Sbenjsc 5140278366Sadrian WPI_SETBITS(sc, WPI_ANA_PLL, WPI_ANA_PLL_INIT); 5141173362Sbenjsc 5142278366Sadrian /* Wait for clock stabilization before accessing prph. */ 5143278366Sadrian if ((error = wpi_clock_wait(sc)) != 0) 5144278366Sadrian return error; 5145173362Sbenjsc 5146278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5147278366Sadrian return error; 5148281288Sadrian /* Cleanup. */ 5149281288Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 0x00000400); 5150281288Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, 0x00000200); 5151281288Sadrian 5152278366Sadrian /* Enable DMA and BSM (Bootstrap State Machine). */ 5153278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_EN, 5154278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT | WPI_APMG_CLK_CTRL_BSM_CLK_RQT); 5155278366Sadrian DELAY(20); 5156278366Sadrian /* Disable L1-Active. */ 5157278366Sadrian wpi_prph_setbits(sc, WPI_APMG_PCI_STT, WPI_APMG_PCI_STT_L1A_DIS); 5158278366Sadrian wpi_nic_unlock(sc); 5159173362Sbenjsc 5160278366Sadrian return 0; 5161278366Sadrian} 5162173362Sbenjsc 5163278366Sadrianstatic void 5164278366Sadrianwpi_apm_stop_master(struct wpi_softc *sc) 5165278366Sadrian{ 5166278366Sadrian int ntries; 5167278366Sadrian 5168278366Sadrian /* Stop busmaster DMA activity. */ 5169278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_STOP_MASTER); 5170282391Sadrian 5171278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_PS_MASK) == 5172278366Sadrian WPI_GP_CNTRL_MAC_PS) 5173278366Sadrian return; /* Already asleep. */ 5174278366Sadrian 5175278366Sadrian for (ntries = 0; ntries < 100; ntries++) { 5176278366Sadrian if (WPI_READ(sc, WPI_RESET) & WPI_RESET_MASTER_DISABLED) 5177278366Sadrian return; 5178278366Sadrian DELAY(10); 5179278366Sadrian } 5180280066Sadrian device_printf(sc->sc_dev, "%s: timeout waiting for master\n", 5181280066Sadrian __func__); 5182173362Sbenjsc} 5183173362Sbenjsc 5184173362Sbenjscstatic void 5185278366Sadrianwpi_apm_stop(struct wpi_softc *sc) 5186173362Sbenjsc{ 5187278366Sadrian wpi_apm_stop_master(sc); 5188278366Sadrian 5189278366Sadrian /* Reset the entire device. */ 5190278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_SW); 5191278366Sadrian DELAY(10); 5192278366Sadrian /* Clear "initialization complete" bit. */ 5193278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 5194173362Sbenjsc} 5195173362Sbenjsc 5196173362Sbenjscstatic void 5197278366Sadrianwpi_nic_config(struct wpi_softc *sc) 5198173362Sbenjsc{ 5199278366Sadrian uint32_t rev; 5200173362Sbenjsc 5201278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5202177043Sthompsa 5203278366Sadrian /* voodoo from the Linux "driver".. */ 5204278366Sadrian rev = pci_read_config(sc->sc_dev, PCIR_REVID, 1); 5205278366Sadrian if ((rev & 0xc0) == 0x40) 5206278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MB); 5207278366Sadrian else if (!(rev & 0x80)) 5208278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MM); 5209173362Sbenjsc 5210278366Sadrian if (sc->cap == 0x80) 5211278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_SKU_MRC); 5212173362Sbenjsc 5213280076Sadrian if ((sc->rev & 0xf0) == 0xd0) 5214278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 5215278366Sadrian else 5216278366Sadrian WPI_CLRBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 5217278366Sadrian 5218278366Sadrian if (sc->type > 1) 5219278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_TYPE_B); 5220173362Sbenjsc} 5221173362Sbenjsc 5222278366Sadrianstatic int 5223278366Sadrianwpi_hw_init(struct wpi_softc *sc) 5224173362Sbenjsc{ 5225289124Sadrian uint8_t chnl; 5226289124Sadrian int ntries, error; 5227178354Ssam 5228278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 5229278366Sadrian 5230278366Sadrian /* Clear pending interrupts. */ 5231278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5232278366Sadrian 5233278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 5234278366Sadrian device_printf(sc->sc_dev, 5235278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 5236278366Sadrian error); 5237278366Sadrian return error; 5238173362Sbenjsc } 5239173362Sbenjsc 5240278366Sadrian /* Select VMAIN power source. */ 5241278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5242278366Sadrian return error; 5243278366Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, WPI_APMG_PS_PWR_SRC_MASK); 5244278366Sadrian wpi_nic_unlock(sc); 5245278366Sadrian /* Spin until VMAIN gets selected. */ 5246278366Sadrian for (ntries = 0; ntries < 5000; ntries++) { 5247278366Sadrian if (WPI_READ(sc, WPI_GPIO_IN) & WPI_GPIO_IN_VMAIN) 5248278366Sadrian break; 5249278366Sadrian DELAY(10); 5250278366Sadrian } 5251278366Sadrian if (ntries == 5000) { 5252278366Sadrian device_printf(sc->sc_dev, "timeout selecting power source\n"); 5253278366Sadrian return ETIMEDOUT; 5254278366Sadrian } 5255173362Sbenjsc 5256278366Sadrian /* Perform adapter initialization. */ 5257278366Sadrian wpi_nic_config(sc); 5258173362Sbenjsc 5259278366Sadrian /* Initialize RX ring. */ 5260278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5261278366Sadrian return error; 5262278366Sadrian /* Set physical address of RX ring. */ 5263278366Sadrian WPI_WRITE(sc, WPI_FH_RX_BASE, sc->rxq.desc_dma.paddr); 5264278366Sadrian /* Set physical address of RX read pointer. */ 5265278366Sadrian WPI_WRITE(sc, WPI_FH_RX_RPTR_ADDR, sc->shared_dma.paddr + 5266278366Sadrian offsetof(struct wpi_shared, next)); 5267278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, 0); 5268278366Sadrian /* Enable RX. */ 5269278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 5270278366Sadrian WPI_FH_RX_CONFIG_DMA_ENA | 5271278366Sadrian WPI_FH_RX_CONFIG_RDRBD_ENA | 5272278366Sadrian WPI_FH_RX_CONFIG_WRSTATUS_ENA | 5273278366Sadrian WPI_FH_RX_CONFIG_MAXFRAG | 5274278366Sadrian WPI_FH_RX_CONFIG_NRBD(WPI_RX_RING_COUNT_LOG) | 5275278366Sadrian WPI_FH_RX_CONFIG_IRQ_DST_HOST | 5276278366Sadrian WPI_FH_RX_CONFIG_IRQ_TIMEOUT(1)); 5277278366Sadrian (void)WPI_READ(sc, WPI_FH_RSSR_TBL); /* barrier */ 5278278366Sadrian wpi_nic_unlock(sc); 5279278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, (WPI_RX_RING_COUNT - 1) & ~7); 5280173362Sbenjsc 5281278366Sadrian /* Initialize TX rings. */ 5282278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5283278366Sadrian return error; 5284278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 2); /* bypass mode */ 5285278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_ARASTAT, 1); /* enable RA0 */ 5286278366Sadrian /* Enable all 6 TX rings. */ 5287278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0x3f); 5288278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE1, 0x10000); 5289278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE2, 0x30002); 5290278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF4MF, 4); 5291278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF5MF, 5); 5292278366Sadrian /* Set physical address of TX rings. */ 5293278366Sadrian WPI_WRITE(sc, WPI_FH_TX_BASE, sc->shared_dma.paddr); 5294278366Sadrian WPI_WRITE(sc, WPI_FH_MSG_CONFIG, 0xffff05a5); 5295278366Sadrian 5296278366Sadrian /* Enable all DMA channels. */ 5297278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 5298278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_CTRL(chnl), 0); 5299278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_BASE(chnl), 0); 5300278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0x80200008); 5301173362Sbenjsc } 5302278366Sadrian wpi_nic_unlock(sc); 5303278366Sadrian (void)WPI_READ(sc, WPI_FH_TX_BASE); /* barrier */ 5304278366Sadrian 5305278366Sadrian /* Clear "radio off" and "commands blocked" bits. */ 5306278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5307278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_CMD_BLOCKED); 5308278366Sadrian 5309278366Sadrian /* Clear pending interrupts. */ 5310278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5311278366Sadrian /* Enable interrupts. */ 5312278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 5313278366Sadrian 5314278366Sadrian /* _Really_ make sure "radio off" bit is cleared! */ 5315278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5316278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5317278366Sadrian 5318278366Sadrian if ((error = wpi_load_firmware(sc)) != 0) { 5319278366Sadrian device_printf(sc->sc_dev, 5320278366Sadrian "%s: could not load firmware, error %d\n", __func__, 5321278366Sadrian error); 5322278366Sadrian return error; 5323278366Sadrian } 5324278366Sadrian /* Wait at most one second for firmware alive notification. */ 5325280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 5326278366Sadrian device_printf(sc->sc_dev, 5327278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 5328278366Sadrian __func__, error); 5329278366Sadrian return error; 5330278366Sadrian } 5331278366Sadrian 5332278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 5333278366Sadrian 5334278366Sadrian /* Do post-firmware initialization. */ 5335278366Sadrian return wpi_post_alive(sc); 5336173362Sbenjsc} 5337173362Sbenjsc 5338173362Sbenjscstatic void 5339278366Sadrianwpi_hw_stop(struct wpi_softc *sc) 5340173362Sbenjsc{ 5341289124Sadrian uint8_t chnl, qid; 5342289124Sadrian int ntries; 5343173362Sbenjsc 5344278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5345173362Sbenjsc 5346278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) 5347278366Sadrian wpi_nic_lock(sc); 5348173362Sbenjsc 5349278366Sadrian WPI_WRITE(sc, WPI_RESET, WPI_RESET_NEVO); 5350173362Sbenjsc 5351278366Sadrian /* Disable interrupts. */ 5352278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 5353278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5354278366Sadrian WPI_WRITE(sc, WPI_FH_INT, 0xffffffff); 5355173362Sbenjsc 5356278366Sadrian /* Make sure we no longer hold the NIC lock. */ 5357278366Sadrian wpi_nic_unlock(sc); 5358173362Sbenjsc 5359278366Sadrian if (wpi_nic_lock(sc) == 0) { 5360278366Sadrian /* Stop TX scheduler. */ 5361278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 0); 5362278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0); 5363179957Sthompsa 5364278366Sadrian /* Stop all DMA channels. */ 5365278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 5366278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0); 5367278366Sadrian for (ntries = 0; ntries < 200; ntries++) { 5368278366Sadrian if (WPI_READ(sc, WPI_FH_TX_STATUS) & 5369278366Sadrian WPI_FH_TX_STATUS_IDLE(chnl)) 5370278366Sadrian break; 5371278366Sadrian DELAY(10); 5372278366Sadrian } 5373173362Sbenjsc } 5374278366Sadrian wpi_nic_unlock(sc); 5375278366Sadrian } 5376173362Sbenjsc 5377278366Sadrian /* Stop RX ring. */ 5378278366Sadrian wpi_reset_rx_ring(sc); 5379173362Sbenjsc 5380278366Sadrian /* Reset all TX rings. */ 5381289126Sadrian for (qid = 0; qid < WPI_DRV_NTXQUEUES; qid++) 5382278366Sadrian wpi_reset_tx_ring(sc, &sc->txq[qid]); 5383173362Sbenjsc 5384278366Sadrian if (wpi_nic_lock(sc) == 0) { 5385278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 5386278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT); 5387278366Sadrian wpi_nic_unlock(sc); 5388173362Sbenjsc } 5389278366Sadrian DELAY(5); 5390278366Sadrian /* Power OFF adapter. */ 5391278366Sadrian wpi_apm_stop(sc); 5392173362Sbenjsc} 5393173362Sbenjsc 5394173362Sbenjscstatic void 5395278366Sadrianwpi_radio_on(void *arg0, int pending) 5396173362Sbenjsc{ 5397278366Sadrian struct wpi_softc *sc = arg0; 5398287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 5399278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5400173362Sbenjsc 5401278366Sadrian device_printf(sc->sc_dev, "RF switch: radio enabled\n"); 5402173362Sbenjsc 5403287197Sglebius WPI_LOCK(sc); 5404287197Sglebius callout_stop(&sc->watchdog_rfkill); 5405287197Sglebius WPI_UNLOCK(sc); 5406287197Sglebius 5407287197Sglebius if (vap != NULL) 5408286437Sadrian ieee80211_init(vap); 5409173362Sbenjsc} 5410173362Sbenjsc 5411278366Sadrianstatic void 5412278366Sadrianwpi_radio_off(void *arg0, int pending) 5413173362Sbenjsc{ 5414278366Sadrian struct wpi_softc *sc = arg0; 5415287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 5416278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5417173362Sbenjsc 5418278366Sadrian device_printf(sc->sc_dev, "RF switch: radio disabled\n"); 5419173362Sbenjsc 5420287197Sglebius ieee80211_notify_radio(ic, 0); 5421278366Sadrian wpi_stop(sc); 5422278366Sadrian if (vap != NULL) 5423278366Sadrian ieee80211_stop(vap); 5424173362Sbenjsc 5425280053Sadrian WPI_LOCK(sc); 5426278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, sc); 5427280053Sadrian WPI_UNLOCK(sc); 5428278366Sadrian} 5429173362Sbenjsc 5430287197Sglebiusstatic int 5431287197Sglebiuswpi_init(struct wpi_softc *sc) 5432278366Sadrian{ 5433287197Sglebius int error = 0; 5434173362Sbenjsc 5435280096Sadrian WPI_LOCK(sc); 5436280096Sadrian 5437278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 5438173362Sbenjsc 5439287197Sglebius if (sc->sc_running != 0) 5440280096Sadrian goto end; 5441278366Sadrian 5442278366Sadrian /* Check that the radio is not disabled by hardware switch. */ 5443278366Sadrian if (!(WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL)) { 5444278366Sadrian device_printf(sc->sc_dev, 5445278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 5446278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 5447278366Sadrian sc); 5448287197Sglebius error = EINPROGRESS; 5449280096Sadrian goto end; 5450173362Sbenjsc } 5451173362Sbenjsc 5452278366Sadrian /* Read firmware images from the filesystem. */ 5453278366Sadrian if ((error = wpi_read_firmware(sc)) != 0) { 5454278366Sadrian device_printf(sc->sc_dev, 5455278366Sadrian "%s: could not read firmware, error %d\n", __func__, 5456278366Sadrian error); 5457287197Sglebius goto end; 5458278366Sadrian } 5459173362Sbenjsc 5460287197Sglebius sc->sc_running = 1; 5461287197Sglebius 5462278366Sadrian /* Initialize hardware and upload firmware. */ 5463278366Sadrian error = wpi_hw_init(sc); 5464278366Sadrian wpi_unload_firmware(sc); 5465278366Sadrian if (error != 0) { 5466278366Sadrian device_printf(sc->sc_dev, 5467278366Sadrian "%s: could not initialize hardware, error %d\n", __func__, 5468278366Sadrian error); 5469278366Sadrian goto fail; 5470278366Sadrian } 5471173362Sbenjsc 5472278366Sadrian /* Configure adapter now that it is ready. */ 5473278366Sadrian if ((error = wpi_config(sc)) != 0) { 5474278366Sadrian device_printf(sc->sc_dev, 5475278366Sadrian "%s: could not configure device, error %d\n", __func__, 5476278366Sadrian error); 5477278366Sadrian goto fail; 5478278366Sadrian } 5479173362Sbenjsc 5480278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 5481173362Sbenjsc 5482280096Sadrian WPI_UNLOCK(sc); 5483280096Sadrian 5484287197Sglebius return 0; 5485280096Sadrian 5486287197Sglebiusfail: wpi_stop_locked(sc); 5487286437Sadrian 5488280096Sadrianend: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 5489278366Sadrian WPI_UNLOCK(sc); 5490287197Sglebius 5491287197Sglebius return error; 5492278366Sadrian} 5493173362Sbenjsc 5494278366Sadrianstatic void 5495278366Sadrianwpi_stop_locked(struct wpi_softc *sc) 5496278366Sadrian{ 5497173362Sbenjsc 5498278366Sadrian WPI_LOCK_ASSERT(sc); 5499278366Sadrian 5500287197Sglebius if (sc->sc_running == 0) 5501287197Sglebius return; 5502287197Sglebius 5503287197Sglebius WPI_TX_LOCK(sc); 5504280071Sadrian WPI_TXQ_LOCK(sc); 5505287197Sglebius sc->sc_running = 0; 5506280071Sadrian WPI_TXQ_UNLOCK(sc); 5507287197Sglebius WPI_TX_UNLOCK(sc); 5508280071Sadrian 5509280112Sadrian WPI_TXQ_STATE_LOCK(sc); 5510280109Sadrian callout_stop(&sc->tx_timeout); 5511280112Sadrian WPI_TXQ_STATE_UNLOCK(sc); 5512280108Sadrian 5513280108Sadrian WPI_RXON_LOCK(sc); 5514280106Sadrian callout_stop(&sc->scan_timeout); 5515278366Sadrian callout_stop(&sc->calib_to); 5516280108Sadrian WPI_RXON_UNLOCK(sc); 5517280097Sadrian 5518278366Sadrian /* Power OFF hardware. */ 5519278366Sadrian wpi_hw_stop(sc); 5520173362Sbenjsc} 5521173362Sbenjsc 5522278366Sadrianstatic void 5523278366Sadrianwpi_stop(struct wpi_softc *sc) 5524278366Sadrian{ 5525278366Sadrian WPI_LOCK(sc); 5526278366Sadrian wpi_stop_locked(sc); 5527278366Sadrian WPI_UNLOCK(sc); 5528278366Sadrian} 5529278366Sadrian 5530278366Sadrian/* 5531278366Sadrian * Callback from net80211 to start a scan. 5532173362Sbenjsc */ 5533173362Sbenjscstatic void 5534173362Sbenjscwpi_scan_start(struct ieee80211com *ic) 5535173362Sbenjsc{ 5536286865Sadrian struct wpi_softc *sc = ic->ic_softc; 5537173362Sbenjsc 5538191746Sthompsa wpi_set_led(sc, WPI_LED_LINK, 20, 2); 5539173362Sbenjsc} 5540173362Sbenjsc 5541278366Sadrian/* 5542278366Sadrian * Callback from net80211 to terminate a scan. 5543173362Sbenjsc */ 5544173362Sbenjscstatic void 5545173362Sbenjscwpi_scan_end(struct ieee80211com *ic) 5546173362Sbenjsc{ 5547286865Sadrian struct wpi_softc *sc = ic->ic_softc; 5548278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5549278366Sadrian 5550280073Sadrian if (vap->iv_state == IEEE80211_S_RUN) 5551278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 5552173362Sbenjsc} 5553173362Sbenjsc 5554173362Sbenjsc/** 5555173362Sbenjsc * Called by the net80211 framework to indicate to the driver 5556173362Sbenjsc * that the channel should be changed 5557173362Sbenjsc */ 5558173362Sbenjscstatic void 5559173362Sbenjscwpi_set_channel(struct ieee80211com *ic) 5560173362Sbenjsc{ 5561278366Sadrian const struct ieee80211_channel *c = ic->ic_curchan; 5562286865Sadrian struct wpi_softc *sc = ic->ic_softc; 5563191746Sthompsa int error; 5564173362Sbenjsc 5565278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5566278366Sadrian 5567278366Sadrian WPI_LOCK(sc); 5568278366Sadrian sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq); 5569278366Sadrian sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags); 5570280113Sadrian WPI_UNLOCK(sc); 5571280113Sadrian WPI_TX_LOCK(sc); 5572278366Sadrian sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq); 5573278366Sadrian sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags); 5574280113Sadrian WPI_TX_UNLOCK(sc); 5575278366Sadrian 5576177043Sthompsa /* 5577177043Sthompsa * Only need to set the channel in Monitor mode. AP scanning and auth 5578177043Sthompsa * are already taken care of by their respective firmware commands. 5579177043Sthompsa */ 5580191746Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 5581280108Sadrian WPI_RXON_LOCK(sc); 5582278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 5583278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) { 5584278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | 5585278366Sadrian WPI_RXON_24GHZ); 5586278366Sadrian } else { 5587278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_AUTO | 5588278366Sadrian WPI_RXON_24GHZ); 5589278366Sadrian } 5590280108Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) 5591191746Sthompsa device_printf(sc->sc_dev, 5592280101Sadrian "%s: error %d setting channel\n", __func__, 5593278366Sadrian error); 5594280108Sadrian WPI_RXON_UNLOCK(sc); 5595191746Sthompsa } 5596173362Sbenjsc} 5597173362Sbenjsc 5598173362Sbenjsc/** 5599173362Sbenjsc * Called by net80211 to indicate that we need to scan the current 5600173362Sbenjsc * channel. The channel is previously be set via the wpi_set_channel 5601173362Sbenjsc * callback. 5602173362Sbenjsc */ 5603173362Sbenjscstatic void 5604178354Ssamwpi_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 5605173362Sbenjsc{ 5606178354Ssam struct ieee80211vap *vap = ss->ss_vap; 5607278366Sadrian struct ieee80211com *ic = vap->iv_ic; 5608286865Sadrian struct wpi_softc *sc = ic->ic_softc; 5609278366Sadrian int error; 5610173362Sbenjsc 5611280108Sadrian WPI_RXON_LOCK(sc); 5612282376Sadrian error = wpi_scan(sc, ic->ic_curchan); 5613282376Sadrian WPI_RXON_UNLOCK(sc); 5614282376Sadrian if (error != 0) 5615282376Sadrian ieee80211_cancel_scan(vap); 5616173362Sbenjsc} 5617173362Sbenjsc 5618173362Sbenjsc/** 5619173362Sbenjsc * Called by the net80211 framework to indicate 5620173362Sbenjsc * the minimum dwell time has been met, terminate the scan. 5621173362Sbenjsc * We don't actually terminate the scan as the firmware will notify 5622173362Sbenjsc * us when it's finished and we have no way to interrupt it. 5623173362Sbenjsc */ 5624173362Sbenjscstatic void 5625178354Ssamwpi_scan_mindwell(struct ieee80211_scan_state *ss) 5626173362Sbenjsc{ 5627173362Sbenjsc /* NB: don't try to abort scan; wait for firmware to finish */ 5628173362Sbenjsc} 5629