if_wpi.c revision 280091
1173362Sbenjsc/*- 2173362Sbenjsc * Copyright (c) 2006,2007 3173362Sbenjsc * Damien Bergamini <damien.bergamini@free.fr> 4173362Sbenjsc * Benjamin Close <Benjamin.Close@clearchain.com> 5173362Sbenjsc * 6173362Sbenjsc * Permission to use, copy, modify, and distribute this software for any 7173362Sbenjsc * purpose with or without fee is hereby granted, provided that the above 8173362Sbenjsc * copyright notice and this permission notice appear in all copies. 9173362Sbenjsc * 10173362Sbenjsc * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11173362Sbenjsc * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12173362Sbenjsc * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13173362Sbenjsc * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14173362Sbenjsc * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15173362Sbenjsc * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16173362Sbenjsc * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17173362Sbenjsc */ 18173362Sbenjsc 19173362Sbenjsc#include <sys/cdefs.h> 20173362Sbenjsc__FBSDID("$FreeBSD: head/sys/dev/wpi/if_wpi.c 280091 2015-03-15 21:02:59Z adrian $"); 21173362Sbenjsc 22173362Sbenjsc/* 23173362Sbenjsc * Driver for Intel PRO/Wireless 3945ABG 802.11 network adapters. 24173362Sbenjsc * 25173362Sbenjsc * The 3945ABG network adapter doesn't use traditional hardware as 26173362Sbenjsc * many other adaptors do. Instead at run time the eeprom is set into a known 27173362Sbenjsc * state and told to load boot firmware. The boot firmware loads an init and a 28173362Sbenjsc * main binary firmware image into SRAM on the card via DMA. 29173362Sbenjsc * Once the firmware is loaded, the driver/hw then 30218909Sbrucec * communicate by way of circular dma rings via the SRAM to the firmware. 31173362Sbenjsc * 32173362Sbenjsc * There is 6 memory rings. 1 command ring, 1 rx data ring & 4 tx data rings. 33173362Sbenjsc * The 4 tx data rings allow for prioritization QoS. 34173362Sbenjsc * 35173362Sbenjsc * The rx data ring consists of 32 dma buffers. Two registers are used to 36173362Sbenjsc * indicate where in the ring the driver and the firmware are up to. The 37173362Sbenjsc * driver sets the initial read index (reg1) and the initial write index (reg2), 38173362Sbenjsc * the firmware updates the read index (reg1) on rx of a packet and fires an 39173362Sbenjsc * interrupt. The driver then processes the buffers starting at reg1 indicating 40173362Sbenjsc * to the firmware which buffers have been accessed by updating reg2. At the 41173362Sbenjsc * same time allocating new memory for the processed buffer. 42173362Sbenjsc * 43173362Sbenjsc * A similar thing happens with the tx rings. The difference is the firmware 44173362Sbenjsc * stop processing buffers once the queue is full and until confirmation 45278764Sadrian * of a successful transmition (tx_done) has occurred. 46173362Sbenjsc * 47173362Sbenjsc * The command ring operates in the same manner as the tx queues. 48173362Sbenjsc * 49173362Sbenjsc * All communication direct to the card (ie eeprom) is classed as Stage1 50173362Sbenjsc * communication 51173362Sbenjsc * 52173362Sbenjsc * All communication via the firmware to the card is classed as State2. 53173362Sbenjsc * The firmware consists of 2 parts. A bootstrap firmware and a runtime 54173362Sbenjsc * firmware. The bootstrap firmware and runtime firmware are loaded 55173362Sbenjsc * from host memory via dma to the card then told to execute. From this point 56173362Sbenjsc * on the majority of communications between the driver and the card goes 57173362Sbenjsc * via the firmware. 58173362Sbenjsc */ 59173362Sbenjsc 60236381Sadrian#include "opt_wlan.h" 61278366Sadrian#include "opt_wpi.h" 62236381Sadrian 63173362Sbenjsc#include <sys/param.h> 64173362Sbenjsc#include <sys/sysctl.h> 65173362Sbenjsc#include <sys/sockio.h> 66173362Sbenjsc#include <sys/mbuf.h> 67173362Sbenjsc#include <sys/kernel.h> 68173362Sbenjsc#include <sys/socket.h> 69173362Sbenjsc#include <sys/systm.h> 70173362Sbenjsc#include <sys/malloc.h> 71173362Sbenjsc#include <sys/queue.h> 72173362Sbenjsc#include <sys/taskqueue.h> 73173362Sbenjsc#include <sys/module.h> 74173362Sbenjsc#include <sys/bus.h> 75173362Sbenjsc#include <sys/endian.h> 76173362Sbenjsc#include <sys/linker.h> 77173362Sbenjsc#include <sys/firmware.h> 78173362Sbenjsc 79173362Sbenjsc#include <machine/bus.h> 80173362Sbenjsc#include <machine/resource.h> 81173362Sbenjsc#include <sys/rman.h> 82173362Sbenjsc 83173362Sbenjsc#include <dev/pci/pcireg.h> 84173362Sbenjsc#include <dev/pci/pcivar.h> 85173362Sbenjsc 86173362Sbenjsc#include <net/bpf.h> 87173362Sbenjsc#include <net/if.h> 88257176Sglebius#include <net/if_var.h> 89173362Sbenjsc#include <net/if_arp.h> 90173362Sbenjsc#include <net/ethernet.h> 91173362Sbenjsc#include <net/if_dl.h> 92173362Sbenjsc#include <net/if_media.h> 93173362Sbenjsc#include <net/if_types.h> 94173362Sbenjsc 95278366Sadrian#include <netinet/in.h> 96278366Sadrian#include <netinet/in_systm.h> 97278366Sadrian#include <netinet/in_var.h> 98278366Sadrian#include <netinet/if_ether.h> 99278366Sadrian#include <netinet/ip.h> 100278366Sadrian 101173362Sbenjsc#include <net80211/ieee80211_var.h> 102173362Sbenjsc#include <net80211/ieee80211_radiotap.h> 103173362Sbenjsc#include <net80211/ieee80211_regdomain.h> 104206358Srpaulo#include <net80211/ieee80211_ratectl.h> 105173362Sbenjsc 106173362Sbenjsc#include <dev/wpi/if_wpireg.h> 107173362Sbenjsc#include <dev/wpi/if_wpivar.h> 108278366Sadrian#include <dev/wpi/if_wpi_debug.h> 109173362Sbenjsc 110173362Sbenjscstruct wpi_ident { 111173362Sbenjsc uint16_t vendor; 112173362Sbenjsc uint16_t device; 113173362Sbenjsc uint16_t subdevice; 114173362Sbenjsc const char *name; 115173362Sbenjsc}; 116173362Sbenjsc 117173362Sbenjscstatic const struct wpi_ident wpi_ident_table[] = { 118173362Sbenjsc /* The below entries support ABG regardless of the subid */ 119173362Sbenjsc { 0x8086, 0x4222, 0x0, "Intel(R) PRO/Wireless 3945ABG" }, 120173362Sbenjsc { 0x8086, 0x4227, 0x0, "Intel(R) PRO/Wireless 3945ABG" }, 121173362Sbenjsc /* The below entries only support BG */ 122182127Sbenjsc { 0x8086, 0x4222, 0x1005, "Intel(R) PRO/Wireless 3945BG" }, 123182127Sbenjsc { 0x8086, 0x4222, 0x1034, "Intel(R) PRO/Wireless 3945BG" }, 124182127Sbenjsc { 0x8086, 0x4227, 0x1014, "Intel(R) PRO/Wireless 3945BG" }, 125182127Sbenjsc { 0x8086, 0x4222, 0x1044, "Intel(R) PRO/Wireless 3945BG" }, 126173362Sbenjsc { 0, 0, 0, NULL } 127173362Sbenjsc}; 128173362Sbenjsc 129278366Sadrianstatic int wpi_probe(device_t); 130278366Sadrianstatic int wpi_attach(device_t); 131278366Sadrianstatic void wpi_radiotap_attach(struct wpi_softc *); 132278366Sadrianstatic void wpi_sysctlattach(struct wpi_softc *); 133280083Sadrianstatic void wpi_init_beacon(struct wpi_vap *); 134178354Ssamstatic struct ieee80211vap *wpi_vap_create(struct ieee80211com *, 135228621Sbschmidt const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 136228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN], 137228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN]); 138178354Ssamstatic void wpi_vap_delete(struct ieee80211vap *); 139278366Sadrianstatic int wpi_detach(device_t); 140278366Sadrianstatic int wpi_shutdown(device_t); 141278366Sadrianstatic int wpi_suspend(device_t); 142278366Sadrianstatic int wpi_resume(device_t); 143278366Sadrianstatic int wpi_nic_lock(struct wpi_softc *); 144278366Sadrianstatic int wpi_read_prom_data(struct wpi_softc *, uint32_t, void *, int); 145278366Sadrianstatic void wpi_dma_map_addr(void *, bus_dma_segment_t *, int, int); 146173362Sbenjscstatic int wpi_dma_contig_alloc(struct wpi_softc *, struct wpi_dma_info *, 147278366Sadrian void **, bus_size_t, bus_size_t); 148173362Sbenjscstatic void wpi_dma_contig_free(struct wpi_dma_info *); 149173362Sbenjscstatic int wpi_alloc_shared(struct wpi_softc *); 150173362Sbenjscstatic void wpi_free_shared(struct wpi_softc *); 151278366Sadrianstatic int wpi_alloc_fwmem(struct wpi_softc *); 152278366Sadrianstatic void wpi_free_fwmem(struct wpi_softc *); 153278366Sadrianstatic int wpi_alloc_rx_ring(struct wpi_softc *); 154278366Sadrianstatic void wpi_update_rx_ring(struct wpi_softc *); 155278366Sadrianstatic void wpi_reset_rx_ring(struct wpi_softc *); 156278366Sadrianstatic void wpi_free_rx_ring(struct wpi_softc *); 157173362Sbenjscstatic int wpi_alloc_tx_ring(struct wpi_softc *, struct wpi_tx_ring *, 158278366Sadrian int); 159278366Sadrianstatic void wpi_update_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 160173362Sbenjscstatic void wpi_reset_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 161173362Sbenjscstatic void wpi_free_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 162278366Sadrianstatic int wpi_read_eeprom(struct wpi_softc *, 163278366Sadrian uint8_t macaddr[IEEE80211_ADDR_LEN]); 164278366Sadrianstatic uint32_t wpi_eeprom_channel_flags(struct wpi_eeprom_chan *); 165278366Sadrianstatic void wpi_read_eeprom_band(struct wpi_softc *, int); 166278366Sadrianstatic int wpi_read_eeprom_channels(struct wpi_softc *, int); 167278366Sadrianstatic struct wpi_eeprom_chan *wpi_find_eeprom_channel(struct wpi_softc *, 168278366Sadrian struct ieee80211_channel *); 169278366Sadrianstatic int wpi_setregdomain(struct ieee80211com *, 170278366Sadrian struct ieee80211_regdomain *, int, 171278366Sadrian struct ieee80211_channel[]); 172278366Sadrianstatic int wpi_read_eeprom_group(struct wpi_softc *, int); 173280069Sadrianstatic int wpi_add_node_entry_adhoc(struct wpi_softc *); 174278366Sadrianstatic void wpi_node_free(struct ieee80211_node *); 175278366Sadrianstatic struct ieee80211_node *wpi_node_alloc(struct ieee80211vap *, 176278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 177178354Ssamstatic int wpi_newstate(struct ieee80211vap *, enum ieee80211_state, int); 178278366Sadrianstatic void wpi_calib_timeout(void *); 179278366Sadrianstatic void wpi_rx_done(struct wpi_softc *, struct wpi_rx_desc *, 180173362Sbenjsc struct wpi_rx_data *); 181278366Sadrianstatic void wpi_rx_statistics(struct wpi_softc *, struct wpi_rx_desc *, 182278366Sadrian struct wpi_rx_data *); 183278366Sadrianstatic void wpi_tx_done(struct wpi_softc *, struct wpi_rx_desc *); 184278366Sadrianstatic void wpi_cmd_done(struct wpi_softc *, struct wpi_rx_desc *); 185173362Sbenjscstatic void wpi_notif_intr(struct wpi_softc *); 186278366Sadrianstatic void wpi_wakeup_intr(struct wpi_softc *); 187278366Sadrianstatic void wpi_fatal_intr(struct wpi_softc *); 188173362Sbenjscstatic void wpi_intr(void *); 189278366Sadrianstatic int wpi_cmd2(struct wpi_softc *, struct wpi_buf *); 190173362Sbenjscstatic int wpi_tx_data(struct wpi_softc *, struct mbuf *, 191278366Sadrian struct ieee80211_node *); 192278366Sadrianstatic int wpi_tx_data_raw(struct wpi_softc *, struct mbuf *, 193278366Sadrian struct ieee80211_node *, 194278366Sadrian const struct ieee80211_bpf_params *); 195278366Sadrianstatic int wpi_raw_xmit(struct ieee80211_node *, struct mbuf *, 196278366Sadrian const struct ieee80211_bpf_params *); 197173362Sbenjscstatic void wpi_start(struct ifnet *); 198178354Ssamstatic void wpi_start_locked(struct ifnet *); 199280078Sadrianstatic void wpi_start_task(void *, int); 200278366Sadrianstatic void wpi_watchdog_rfkill(void *); 201278366Sadrianstatic void wpi_watchdog(void *); 202173362Sbenjscstatic int wpi_ioctl(struct ifnet *, u_long, caddr_t); 203278366Sadrianstatic int wpi_cmd(struct wpi_softc *, int, const void *, size_t, int); 204173362Sbenjscstatic int wpi_mrr_setup(struct wpi_softc *); 205278366Sadrianstatic int wpi_add_node(struct wpi_softc *, struct ieee80211_node *); 206278366Sadrianstatic int wpi_add_broadcast_node(struct wpi_softc *, int); 207278366Sadrianstatic int wpi_add_ibss_node(struct wpi_softc *, struct ieee80211_node *); 208278366Sadrianstatic void wpi_del_node(struct wpi_softc *, struct ieee80211_node *); 209278366Sadrianstatic int wpi_updateedca(struct ieee80211com *); 210278366Sadrianstatic void wpi_set_promisc(struct wpi_softc *); 211278366Sadrianstatic void wpi_update_promisc(struct ifnet *); 212278366Sadrianstatic void wpi_update_mcast(struct ifnet *); 213173362Sbenjscstatic void wpi_set_led(struct wpi_softc *, uint8_t, uint8_t, uint8_t); 214278366Sadrianstatic int wpi_set_timing(struct wpi_softc *, struct ieee80211_node *); 215278366Sadrianstatic void wpi_power_calibration(struct wpi_softc *); 216278366Sadrianstatic int wpi_set_txpower(struct wpi_softc *, int); 217278366Sadrianstatic int wpi_get_power_index(struct wpi_softc *, 218278366Sadrian struct wpi_power_group *, struct ieee80211_channel *, int); 219278366Sadrianstatic int wpi_set_pslevel(struct wpi_softc *, uint8_t, int, int); 220278366Sadrianstatic int wpi_send_btcoex(struct wpi_softc *); 221278366Sadrianstatic int wpi_send_rxon(struct wpi_softc *, int, int); 222278366Sadrianstatic int wpi_config(struct wpi_softc *); 223278366Sadrianstatic uint16_t wpi_get_active_dwell_time(struct wpi_softc *, 224278366Sadrian struct ieee80211_channel *, uint8_t); 225278366Sadrianstatic uint16_t wpi_limit_dwell(struct wpi_softc *, uint16_t); 226278366Sadrianstatic uint16_t wpi_get_passive_dwell_time(struct wpi_softc *, 227278366Sadrian struct ieee80211_channel *); 228278366Sadrianstatic int wpi_scan(struct wpi_softc *, struct ieee80211_channel *); 229278366Sadrianstatic int wpi_auth(struct wpi_softc *, struct ieee80211vap *); 230280084Sadrianstatic int wpi_config_beacon(struct wpi_vap *); 231280084Sadrianstatic int wpi_setup_beacon(struct wpi_softc *, struct ieee80211_node *); 232278366Sadrianstatic void wpi_update_beacon(struct ieee80211vap *, int); 233280079Sadrianstatic void wpi_newassoc(struct ieee80211_node *, int); 234178354Ssamstatic int wpi_run(struct wpi_softc *, struct ieee80211vap *); 235280088Sadrianstatic int wpi_load_key(struct ieee80211_node *, 236280088Sadrian const struct ieee80211_key *); 237280088Sadrianstatic void wpi_load_key_cb(void *, struct ieee80211_node *); 238280088Sadrianstatic int wpi_set_global_keys(struct ieee80211_node *); 239280088Sadrianstatic int wpi_del_key(struct ieee80211_node *, 240280088Sadrian const struct ieee80211_key *); 241280088Sadrianstatic void wpi_del_key_cb(void *, struct ieee80211_node *); 242280088Sadrianstatic int wpi_process_key(struct ieee80211vap *, 243280088Sadrian const struct ieee80211_key *, int); 244278366Sadrianstatic int wpi_key_set(struct ieee80211vap *, 245278366Sadrian const struct ieee80211_key *, 246278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 247278366Sadrianstatic int wpi_key_delete(struct ieee80211vap *, 248278366Sadrian const struct ieee80211_key *); 249278366Sadrianstatic int wpi_post_alive(struct wpi_softc *); 250278366Sadrianstatic int wpi_load_bootcode(struct wpi_softc *, const uint8_t *, int); 251278366Sadrianstatic int wpi_load_firmware(struct wpi_softc *); 252278366Sadrianstatic int wpi_read_firmware(struct wpi_softc *); 253278366Sadrianstatic void wpi_unload_firmware(struct wpi_softc *); 254278366Sadrianstatic int wpi_clock_wait(struct wpi_softc *); 255278366Sadrianstatic int wpi_apm_init(struct wpi_softc *); 256278366Sadrianstatic void wpi_apm_stop_master(struct wpi_softc *); 257278366Sadrianstatic void wpi_apm_stop(struct wpi_softc *); 258278366Sadrianstatic void wpi_nic_config(struct wpi_softc *); 259278366Sadrianstatic int wpi_hw_init(struct wpi_softc *); 260278366Sadrianstatic void wpi_hw_stop(struct wpi_softc *); 261278366Sadrianstatic void wpi_radio_on(void *, int); 262278366Sadrianstatic void wpi_radio_off(void *, int); 263278366Sadrianstatic void wpi_init_locked(struct wpi_softc *); 264173362Sbenjscstatic void wpi_init(void *); 265278366Sadrianstatic void wpi_stop_locked(struct wpi_softc *); 266173362Sbenjscstatic void wpi_stop(struct wpi_softc *); 267278366Sadrianstatic void wpi_scan_start(struct ieee80211com *); 268278366Sadrianstatic void wpi_scan_end(struct ieee80211com *); 269278366Sadrianstatic void wpi_set_channel(struct ieee80211com *); 270278366Sadrianstatic void wpi_scan_curchan(struct ieee80211_scan_state *, unsigned long); 271278366Sadrianstatic void wpi_scan_mindwell(struct ieee80211_scan_state *); 272278366Sadrianstatic void wpi_hw_reset(void *, int); 273173362Sbenjsc 274173362Sbenjscstatic device_method_t wpi_methods[] = { 275173362Sbenjsc /* Device interface */ 276173362Sbenjsc DEVMETHOD(device_probe, wpi_probe), 277173362Sbenjsc DEVMETHOD(device_attach, wpi_attach), 278173362Sbenjsc DEVMETHOD(device_detach, wpi_detach), 279173362Sbenjsc DEVMETHOD(device_shutdown, wpi_shutdown), 280173362Sbenjsc DEVMETHOD(device_suspend, wpi_suspend), 281173362Sbenjsc DEVMETHOD(device_resume, wpi_resume), 282173362Sbenjsc 283260064Smarius DEVMETHOD_END 284173362Sbenjsc}; 285173362Sbenjsc 286173362Sbenjscstatic driver_t wpi_driver = { 287173362Sbenjsc "wpi", 288173362Sbenjsc wpi_methods, 289173362Sbenjsc sizeof (struct wpi_softc) 290173362Sbenjsc}; 291173362Sbenjscstatic devclass_t wpi_devclass; 292173362Sbenjsc 293260064SmariusDRIVER_MODULE(wpi, pci, wpi_driver, wpi_devclass, NULL, NULL); 294173362Sbenjsc 295222543SbschmidtMODULE_VERSION(wpi, 1); 296222543Sbschmidt 297278366SadrianMODULE_DEPEND(wpi, pci, 1, 1, 1); 298278366SadrianMODULE_DEPEND(wpi, wlan, 1, 1, 1); 299278366SadrianMODULE_DEPEND(wpi, firmware, 1, 1, 1); 300260064Smarius 301173362Sbenjscstatic int 302173362Sbenjscwpi_probe(device_t dev) 303173362Sbenjsc{ 304173362Sbenjsc const struct wpi_ident *ident; 305173362Sbenjsc 306173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 307173362Sbenjsc if (pci_get_vendor(dev) == ident->vendor && 308173362Sbenjsc pci_get_device(dev) == ident->device) { 309173362Sbenjsc device_set_desc(dev, ident->name); 310260064Smarius return (BUS_PROBE_DEFAULT); 311173362Sbenjsc } 312173362Sbenjsc } 313173362Sbenjsc return ENXIO; 314173362Sbenjsc} 315173362Sbenjsc 316173362Sbenjscstatic int 317173362Sbenjscwpi_attach(device_t dev) 318173362Sbenjsc{ 319278366Sadrian struct wpi_softc *sc = (struct wpi_softc *)device_get_softc(dev); 320278366Sadrian struct ieee80211com *ic; 321173362Sbenjsc struct ifnet *ifp; 322280061Sadrian int i, error, rid; 323280061Sadrian#ifdef WPI_DEBUG 324280061Sadrian int supportsa = 1; 325173362Sbenjsc const struct wpi_ident *ident; 326280061Sadrian#endif 327190526Ssam uint8_t macaddr[IEEE80211_ADDR_LEN]; 328173362Sbenjsc 329173362Sbenjsc sc->sc_dev = dev; 330173362Sbenjsc 331280059Sadrian#ifdef WPI_DEBUG 332278366Sadrian error = resource_int_value(device_get_name(sc->sc_dev), 333278366Sadrian device_get_unit(sc->sc_dev), "debug", &(sc->sc_debug)); 334278366Sadrian if (error != 0) 335278366Sadrian sc->sc_debug = 0; 336278366Sadrian#else 337278366Sadrian sc->sc_debug = 0; 338278366Sadrian#endif 339173362Sbenjsc 340278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 341278366Sadrian 342173362Sbenjsc /* 343278366Sadrian * Get the offset of the PCI Express Capability Structure in PCI 344278366Sadrian * Configuration Space. 345278366Sadrian */ 346278366Sadrian error = pci_find_cap(dev, PCIY_EXPRESS, &sc->sc_cap_off); 347278366Sadrian if (error != 0) { 348278366Sadrian device_printf(dev, "PCIe capability structure not found!\n"); 349278366Sadrian return error; 350278366Sadrian } 351278366Sadrian 352278366Sadrian /* 353173362Sbenjsc * Some card's only support 802.11b/g not a, check to see if 354173362Sbenjsc * this is one such card. A 0x0 in the subdevice table indicates 355173362Sbenjsc * the entire subdevice range is to be ignored. 356173362Sbenjsc */ 357280061Sadrian#ifdef WPI_DEBUG 358173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 359173362Sbenjsc if (ident->subdevice && 360173362Sbenjsc pci_get_subdevice(dev) == ident->subdevice) { 361173362Sbenjsc supportsa = 0; 362173362Sbenjsc break; 363173362Sbenjsc } 364173362Sbenjsc } 365280061Sadrian#endif 366173362Sbenjsc 367278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 368173362Sbenjsc pci_write_config(dev, 0x41, 0, 1); 369173362Sbenjsc 370278366Sadrian /* Enable bus-mastering. */ 371173362Sbenjsc pci_enable_busmaster(dev); 372173362Sbenjsc 373260064Smarius rid = PCIR_BAR(0); 374260064Smarius sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 375173362Sbenjsc RF_ACTIVE); 376173362Sbenjsc if (sc->mem == NULL) { 377278366Sadrian device_printf(dev, "can't map mem space\n"); 378280091Sadrian return ENOMEM; 379173362Sbenjsc } 380173362Sbenjsc sc->sc_st = rman_get_bustag(sc->mem); 381173362Sbenjsc sc->sc_sh = rman_get_bushandle(sc->mem); 382173362Sbenjsc 383278366Sadrian i = 1; 384260064Smarius rid = 0; 385278366Sadrian if (pci_alloc_msi(dev, &i) == 0) 386278366Sadrian rid = 1; 387278366Sadrian /* Install interrupt handler. */ 388278366Sadrian sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | 389278366Sadrian (rid != 0 ? 0 : RF_SHAREABLE)); 390173362Sbenjsc if (sc->irq == NULL) { 391278366Sadrian device_printf(dev, "can't map interrupt\n"); 392173362Sbenjsc error = ENOMEM; 393173362Sbenjsc goto fail; 394173362Sbenjsc } 395173362Sbenjsc 396278366Sadrian WPI_LOCK_INIT(sc); 397280077Sadrian WPI_NT_LOCK_INIT(sc); 398280071Sadrian WPI_TXQ_LOCK_INIT(sc); 399278366Sadrian 400278366Sadrian /* Allocate DMA memory for firmware transfers. */ 401173362Sbenjsc if ((error = wpi_alloc_fwmem(sc)) != 0) { 402278366Sadrian device_printf(dev, 403278366Sadrian "could not allocate memory for firmware, error %d\n", 404278366Sadrian error); 405173362Sbenjsc goto fail; 406173362Sbenjsc } 407173362Sbenjsc 408278366Sadrian /* Allocate shared page. */ 409173362Sbenjsc if ((error = wpi_alloc_shared(sc)) != 0) { 410173362Sbenjsc device_printf(dev, "could not allocate shared page\n"); 411173362Sbenjsc goto fail; 412173362Sbenjsc } 413173362Sbenjsc 414278366Sadrian /* Allocate TX rings - 4 for QoS purposes, 1 for commands. */ 415278366Sadrian for (i = 0; i < WPI_NTXQUEUES; i++) { 416278366Sadrian if ((error = wpi_alloc_tx_ring(sc, &sc->txq[i], i)) != 0) { 417278366Sadrian device_printf(dev, 418278366Sadrian "could not allocate TX ring %d, error %d\n", i, 419278366Sadrian error); 420278366Sadrian goto fail; 421173362Sbenjsc } 422173362Sbenjsc } 423173362Sbenjsc 424278366Sadrian /* Allocate RX ring. */ 425278366Sadrian if ((error = wpi_alloc_rx_ring(sc)) != 0) { 426278366Sadrian device_printf(dev, "could not allocate RX ring, error %d\n", 427278366Sadrian error); 428173362Sbenjsc goto fail; 429173362Sbenjsc } 430173362Sbenjsc 431278366Sadrian /* Clear pending interrupts. */ 432278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 433173362Sbenjsc 434178354Ssam ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 435173362Sbenjsc if (ifp == NULL) { 436278366Sadrian device_printf(dev, "can not allocate ifnet structure\n"); 437173362Sbenjsc goto fail; 438173362Sbenjsc } 439278366Sadrian 440178354Ssam ic = ifp->if_l2com; 441173362Sbenjsc ic->ic_ifp = ifp; 442178354Ssam ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 443178354Ssam ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 444173362Sbenjsc 445278366Sadrian /* Set device capabilities. */ 446173362Sbenjsc ic->ic_caps = 447178957Ssam IEEE80211_C_STA /* station mode supported */ 448278366Sadrian | IEEE80211_C_IBSS /* IBSS mode supported */ 449178957Ssam | IEEE80211_C_MONITOR /* monitor mode supported */ 450278366Sadrian | IEEE80211_C_AHDEMO /* adhoc demo mode */ 451278366Sadrian | IEEE80211_C_BGSCAN /* capable of bg scanning */ 452173362Sbenjsc | IEEE80211_C_TXPMGT /* tx power management */ 453173362Sbenjsc | IEEE80211_C_SHSLOT /* short slot time supported */ 454278366Sadrian | IEEE80211_C_WPA /* 802.11i */ 455173362Sbenjsc | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 456173362Sbenjsc#if 0 457173362Sbenjsc | IEEE80211_C_HOSTAP /* Host access point mode */ 458173362Sbenjsc#endif 459278366Sadrian | IEEE80211_C_WME /* 802.11e */ 460278366Sadrian | IEEE80211_C_PMGT /* Station-side power mgmt */ 461173362Sbenjsc ; 462173362Sbenjsc 463278366Sadrian ic->ic_cryptocaps = 464278366Sadrian IEEE80211_CRYPTO_AES_CCM; 465278366Sadrian 466173362Sbenjsc /* 467173362Sbenjsc * Read in the eeprom and also setup the channels for 468173362Sbenjsc * net80211. We don't set the rates as net80211 does this for us 469173362Sbenjsc */ 470278366Sadrian if ((error = wpi_read_eeprom(sc, macaddr)) != 0) { 471278366Sadrian device_printf(dev, "could not read EEPROM, error %d\n", 472278366Sadrian error); 473278366Sadrian goto fail; 474280059Sadrian } 475173362Sbenjsc 476280059Sadrian#ifdef WPI_DEBUG 477278366Sadrian if (bootverbose) { 478280059Sadrian device_printf(sc->sc_dev, "Regulatory Domain: %.4s\n", 479280059Sadrian sc->domain); 480280059Sadrian device_printf(sc->sc_dev, "Hardware Type: %c\n", 481280059Sadrian sc->type > 1 ? 'B': '?'); 482280059Sadrian device_printf(sc->sc_dev, "Hardware Revision: %c\n", 483280076Sadrian ((sc->rev & 0xf0) == 0xd0) ? 'D': '?'); 484280059Sadrian device_printf(sc->sc_dev, "SKU %s support 802.11a\n", 485280059Sadrian supportsa ? "does" : "does not"); 486173362Sbenjsc 487280059Sadrian /* XXX hw_config uses the PCIDEV for the Hardware rev. Must 488280059Sadrian check what sc->rev really represents - benjsc 20070615 */ 489173362Sbenjsc } 490278366Sadrian#endif 491173362Sbenjsc 492173362Sbenjsc if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 493173362Sbenjsc ifp->if_softc = sc; 494173362Sbenjsc ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 495173362Sbenjsc ifp->if_init = wpi_init; 496173362Sbenjsc ifp->if_ioctl = wpi_ioctl; 497173362Sbenjsc ifp->if_start = wpi_start; 498207554Ssobomax IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 499207554Ssobomax ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 500173362Sbenjsc IFQ_SET_READY(&ifp->if_snd); 501178354Ssam 502190526Ssam ieee80211_ifattach(ic, macaddr); 503278366Sadrian ic->ic_vap_create = wpi_vap_create; 504278366Sadrian ic->ic_vap_delete = wpi_vap_delete; 505178354Ssam ic->ic_raw_xmit = wpi_raw_xmit; 506278366Sadrian ic->ic_node_alloc = wpi_node_alloc; 507278366Sadrian sc->sc_node_free = ic->ic_node_free; 508278366Sadrian ic->ic_node_free = wpi_node_free; 509278366Sadrian ic->ic_wme.wme_update = wpi_updateedca; 510278366Sadrian ic->ic_update_promisc = wpi_update_promisc; 511278366Sadrian ic->ic_update_mcast = wpi_update_mcast; 512280079Sadrian ic->ic_newassoc = wpi_newassoc; 513173362Sbenjsc ic->ic_scan_start = wpi_scan_start; 514173362Sbenjsc ic->ic_scan_end = wpi_scan_end; 515173362Sbenjsc ic->ic_set_channel = wpi_set_channel; 516278366Sadrian sc->sc_scan_curchan = ic->ic_scan_curchan; 517173362Sbenjsc ic->ic_scan_curchan = wpi_scan_curchan; 518173362Sbenjsc ic->ic_scan_mindwell = wpi_scan_mindwell; 519278366Sadrian ic->ic_setregdomain = wpi_setregdomain; 520173362Sbenjsc 521278366Sadrian wpi_radiotap_attach(sc); 522173362Sbenjsc 523278366Sadrian callout_init_mtx(&sc->calib_to, &sc->sc_mtx, 0); 524278366Sadrian callout_init_mtx(&sc->watchdog_to, &sc->sc_mtx, 0); 525278366Sadrian callout_init_mtx(&sc->watchdog_rfkill, &sc->sc_mtx, 0); 526278366Sadrian TASK_INIT(&sc->sc_reinittask, 0, wpi_hw_reset, sc); 527278366Sadrian TASK_INIT(&sc->sc_radiooff_task, 0, wpi_radio_off, sc); 528278366Sadrian TASK_INIT(&sc->sc_radioon_task, 0, wpi_radio_on, sc); 529280078Sadrian TASK_INIT(&sc->sc_start_task, 0, wpi_start_task, sc); 530173362Sbenjsc 531278366Sadrian wpi_sysctlattach(sc); 532278366Sadrian 533173362Sbenjsc /* 534173362Sbenjsc * Hook our interrupt after all initialization is complete. 535173362Sbenjsc */ 536278366Sadrian error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 537177043Sthompsa NULL, wpi_intr, sc, &sc->sc_ih); 538173362Sbenjsc if (error != 0) { 539278366Sadrian device_printf(dev, "can't establish interrupt, error %d\n", 540278366Sadrian error); 541173362Sbenjsc goto fail; 542173362Sbenjsc } 543173362Sbenjsc 544177043Sthompsa if (bootverbose) 545177043Sthompsa ieee80211_announce(ic); 546278366Sadrian 547278366Sadrian#ifdef WPI_DEBUG 548278366Sadrian if (sc->sc_debug & WPI_DEBUG_HW) 549278366Sadrian ieee80211_announce_channels(ic); 550173362Sbenjsc#endif 551278366Sadrian 552278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 553173362Sbenjsc return 0; 554173362Sbenjsc 555173362Sbenjscfail: wpi_detach(dev); 556278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 557278366Sadrian return error; 558173362Sbenjsc} 559173362Sbenjsc 560278366Sadrian/* 561278366Sadrian * Attach the interface to 802.11 radiotap. 562278366Sadrian */ 563278366Sadrianstatic void 564278366Sadrianwpi_radiotap_attach(struct wpi_softc *sc) 565278366Sadrian{ 566278366Sadrian struct ifnet *ifp = sc->sc_ifp; 567278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 568278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 569278366Sadrian ieee80211_radiotap_attach(ic, 570278366Sadrian &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 571278366Sadrian WPI_TX_RADIOTAP_PRESENT, 572278366Sadrian &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 573278366Sadrian WPI_RX_RADIOTAP_PRESENT); 574278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 575278366Sadrian} 576278366Sadrian 577278366Sadrianstatic void 578278366Sadrianwpi_sysctlattach(struct wpi_softc *sc) 579278366Sadrian{ 580280059Sadrian#ifdef WPI_DEBUG 581278366Sadrian struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 582278366Sadrian struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 583278366Sadrian 584278366Sadrian SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 585278366Sadrian "debug", CTLFLAG_RW, &sc->sc_debug, sc->sc_debug, 586278366Sadrian "control debugging printfs"); 587278366Sadrian#endif 588278366Sadrian} 589278366Sadrian 590280083Sadrianstatic void 591280083Sadrianwpi_init_beacon(struct wpi_vap *wvp) 592280083Sadrian{ 593280083Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 594280083Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 595280083Sadrian 596280083Sadrian cmd->id = WPI_ID_BROADCAST; 597280083Sadrian cmd->ofdm_mask = 0xff; 598280083Sadrian cmd->cck_mask = 0x0f; 599280083Sadrian cmd->lifetime = htole32(WPI_LIFETIME_INFINITE); 600280083Sadrian cmd->flags = htole32(WPI_TX_AUTO_SEQ | WPI_TX_INSERT_TSTAMP); 601280083Sadrian 602280083Sadrian bcn->code = WPI_CMD_SET_BEACON; 603280083Sadrian bcn->ac = WPI_CMD_QUEUE_NUM; 604280083Sadrian bcn->size = sizeof(struct wpi_cmd_beacon); 605280083Sadrian} 606280083Sadrian 607278366Sadrianstatic struct ieee80211vap * 608278366Sadrianwpi_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 609278366Sadrian enum ieee80211_opmode opmode, int flags, 610278366Sadrian const uint8_t bssid[IEEE80211_ADDR_LEN], 611278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 612278366Sadrian{ 613278366Sadrian struct wpi_vap *wvp; 614278366Sadrian struct ieee80211vap *vap; 615278366Sadrian 616278366Sadrian if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 617278366Sadrian return NULL; 618278366Sadrian 619278366Sadrian wvp = (struct wpi_vap *) malloc(sizeof(struct wpi_vap), 620278366Sadrian M_80211_VAP, M_NOWAIT | M_ZERO); 621278366Sadrian if (wvp == NULL) 622278366Sadrian return NULL; 623280085Sadrian vap = &wvp->wv_vap; 624278366Sadrian ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 625278366Sadrian 626280086Sadrian if (opmode == IEEE80211_M_IBSS) { 627280086Sadrian WPI_VAP_LOCK_INIT(wvp); 628280083Sadrian wpi_init_beacon(wvp); 629280086Sadrian } 630280083Sadrian 631278366Sadrian /* Override with driver methods. */ 632278366Sadrian vap->iv_key_set = wpi_key_set; 633278366Sadrian vap->iv_key_delete = wpi_key_delete; 634280085Sadrian wvp->wv_newstate = vap->iv_newstate; 635278366Sadrian vap->iv_newstate = wpi_newstate; 636278366Sadrian vap->iv_update_beacon = wpi_update_beacon; 637278366Sadrian 638278366Sadrian ieee80211_ratectl_init(vap); 639278366Sadrian /* Complete setup. */ 640280066Sadrian ieee80211_vap_attach(vap, ieee80211_media_change, 641280066Sadrian ieee80211_media_status); 642278366Sadrian ic->ic_opmode = opmode; 643278366Sadrian return vap; 644278366Sadrian} 645278366Sadrian 646278366Sadrianstatic void 647278366Sadrianwpi_vap_delete(struct ieee80211vap *vap) 648278366Sadrian{ 649278366Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 650280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 651280084Sadrian enum ieee80211_opmode opmode = vap->iv_opmode; 652278366Sadrian 653278366Sadrian ieee80211_ratectl_deinit(vap); 654278366Sadrian ieee80211_vap_detach(vap); 655278366Sadrian 656280084Sadrian if (opmode == IEEE80211_M_IBSS) { 657280084Sadrian if (bcn->m != NULL) 658280084Sadrian m_freem(bcn->m); 659280086Sadrian 660280086Sadrian WPI_VAP_LOCK_DESTROY(wvp); 661280084Sadrian } 662280084Sadrian 663278366Sadrian free(wvp, M_80211_VAP); 664278366Sadrian} 665278366Sadrian 666173362Sbenjscstatic int 667173362Sbenjscwpi_detach(device_t dev) 668173362Sbenjsc{ 669173362Sbenjsc struct wpi_softc *sc = device_get_softc(dev); 670178354Ssam struct ifnet *ifp = sc->sc_ifp; 671200530Sgavin struct ieee80211com *ic; 672278366Sadrian int qid; 673173362Sbenjsc 674278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 675260064Smarius 676200530Sgavin if (ifp != NULL) { 677200530Sgavin ic = ifp->if_l2com; 678191746Sthompsa 679278366Sadrian ieee80211_draintask(ic, &sc->sc_reinittask); 680278366Sadrian ieee80211_draintask(ic, &sc->sc_radiooff_task); 681280052Sadrian ieee80211_draintask(ic, &sc->sc_radioon_task); 682280078Sadrian ieee80211_draintask(ic, &sc->sc_start_task); 683278366Sadrian 684173362Sbenjsc wpi_stop(sc); 685278366Sadrian 686173362Sbenjsc callout_drain(&sc->watchdog_to); 687278366Sadrian callout_drain(&sc->watchdog_rfkill); 688173362Sbenjsc callout_drain(&sc->calib_to); 689173362Sbenjsc ieee80211_ifdetach(ic); 690173362Sbenjsc } 691173362Sbenjsc 692278366Sadrian /* Uninstall interrupt handler. */ 693278366Sadrian if (sc->irq != NULL) { 694278366Sadrian bus_teardown_intr(dev, sc->irq, sc->sc_ih); 695278366Sadrian bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), 696278366Sadrian sc->irq); 697278366Sadrian pci_release_msi(dev); 698278366Sadrian } 699278366Sadrian 700173362Sbenjsc if (sc->txq[0].data_dmat) { 701278366Sadrian /* Free DMA resources. */ 702278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 703278366Sadrian wpi_free_tx_ring(sc, &sc->txq[qid]); 704173362Sbenjsc 705278366Sadrian wpi_free_rx_ring(sc); 706173362Sbenjsc wpi_free_shared(sc); 707173362Sbenjsc } 708173362Sbenjsc 709173362Sbenjsc if (sc->fw_dma.tag) 710173362Sbenjsc wpi_free_fwmem(sc); 711278366Sadrian 712173362Sbenjsc if (sc->mem != NULL) 713260064Smarius bus_release_resource(dev, SYS_RES_MEMORY, 714260064Smarius rman_get_rid(sc->mem), sc->mem); 715173362Sbenjsc 716173362Sbenjsc if (ifp != NULL) 717173362Sbenjsc if_free(ifp); 718173362Sbenjsc 719278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 720280071Sadrian WPI_TXQ_LOCK_DESTROY(sc); 721280077Sadrian WPI_NT_LOCK_DESTROY(sc); 722173362Sbenjsc WPI_LOCK_DESTROY(sc); 723278366Sadrian return 0; 724278366Sadrian} 725173362Sbenjsc 726278366Sadrianstatic int 727278366Sadrianwpi_shutdown(device_t dev) 728278366Sadrian{ 729278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 730278366Sadrian 731278366Sadrian wpi_stop(sc); 732173362Sbenjsc return 0; 733173362Sbenjsc} 734173362Sbenjsc 735278366Sadrianstatic int 736278366Sadrianwpi_suspend(device_t dev) 737178354Ssam{ 738278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 739278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 740178354Ssam 741278366Sadrian ieee80211_suspend_all(ic); 742278366Sadrian return 0; 743278366Sadrian} 744178354Ssam 745278366Sadrianstatic int 746278366Sadrianwpi_resume(device_t dev) 747278366Sadrian{ 748278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 749278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 750278366Sadrian 751278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 752278366Sadrian pci_write_config(dev, 0x41, 0, 1); 753278366Sadrian 754278366Sadrian ieee80211_resume_all(ic); 755278366Sadrian return 0; 756178354Ssam} 757178354Ssam 758278366Sadrian/* 759278366Sadrian * Grab exclusive access to NIC memory. 760278366Sadrian */ 761278366Sadrianstatic int 762278366Sadrianwpi_nic_lock(struct wpi_softc *sc) 763178354Ssam{ 764278366Sadrian int ntries; 765178354Ssam 766278366Sadrian /* Request exclusive access to NIC. */ 767278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 768278366Sadrian 769278366Sadrian /* Spin until we actually get the lock. */ 770278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 771278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & 772280059Sadrian (WPI_GP_CNTRL_MAC_ACCESS_ENA | WPI_GP_CNTRL_SLEEP)) == 773278366Sadrian WPI_GP_CNTRL_MAC_ACCESS_ENA) 774278366Sadrian return 0; 775278366Sadrian DELAY(10); 776278366Sadrian } 777278366Sadrian 778278366Sadrian device_printf(sc->sc_dev, "could not lock memory\n"); 779278366Sadrian 780278366Sadrian return ETIMEDOUT; 781178354Ssam} 782178354Ssam 783278366Sadrian/* 784278366Sadrian * Release lock on NIC memory. 785278366Sadrian */ 786278366Sadrianstatic __inline void 787278366Sadrianwpi_nic_unlock(struct wpi_softc *sc) 788278366Sadrian{ 789278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 790278366Sadrian} 791278366Sadrian 792278366Sadrianstatic __inline uint32_t 793278366Sadrianwpi_prph_read(struct wpi_softc *sc, uint32_t addr) 794278366Sadrian{ 795278366Sadrian WPI_WRITE(sc, WPI_PRPH_RADDR, WPI_PRPH_DWORD | addr); 796278366Sadrian WPI_BARRIER_READ_WRITE(sc); 797278366Sadrian return WPI_READ(sc, WPI_PRPH_RDATA); 798278366Sadrian} 799278366Sadrian 800278366Sadrianstatic __inline void 801278366Sadrianwpi_prph_write(struct wpi_softc *sc, uint32_t addr, uint32_t data) 802278366Sadrian{ 803278366Sadrian WPI_WRITE(sc, WPI_PRPH_WADDR, WPI_PRPH_DWORD | addr); 804278366Sadrian WPI_BARRIER_WRITE(sc); 805278366Sadrian WPI_WRITE(sc, WPI_PRPH_WDATA, data); 806278366Sadrian} 807278366Sadrian 808278366Sadrianstatic __inline void 809278366Sadrianwpi_prph_setbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 810278366Sadrian{ 811278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) | mask); 812278366Sadrian} 813278366Sadrian 814278366Sadrianstatic __inline void 815278366Sadrianwpi_prph_clrbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 816278366Sadrian{ 817278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) & ~mask); 818278366Sadrian} 819278366Sadrian 820278366Sadrianstatic __inline void 821278366Sadrianwpi_prph_write_region_4(struct wpi_softc *sc, uint32_t addr, 822278366Sadrian const uint32_t *data, int count) 823278366Sadrian{ 824278366Sadrian for (; count > 0; count--, data++, addr += 4) 825278366Sadrian wpi_prph_write(sc, addr, *data); 826278366Sadrian} 827278366Sadrian 828278366Sadrianstatic __inline uint32_t 829278366Sadrianwpi_mem_read(struct wpi_softc *sc, uint32_t addr) 830278366Sadrian{ 831278366Sadrian WPI_WRITE(sc, WPI_MEM_RADDR, addr); 832278366Sadrian WPI_BARRIER_READ_WRITE(sc); 833278366Sadrian return WPI_READ(sc, WPI_MEM_RDATA); 834278366Sadrian} 835278366Sadrian 836278366Sadrianstatic __inline void 837278366Sadrianwpi_mem_read_region_4(struct wpi_softc *sc, uint32_t addr, uint32_t *data, 838278366Sadrian int count) 839278366Sadrian{ 840278366Sadrian for (; count > 0; count--, addr += 4) 841278366Sadrian *data++ = wpi_mem_read(sc, addr); 842278366Sadrian} 843278366Sadrian 844278366Sadrianstatic int 845278366Sadrianwpi_read_prom_data(struct wpi_softc *sc, uint32_t addr, void *data, int count) 846278366Sadrian{ 847278366Sadrian uint8_t *out = data; 848278366Sadrian uint32_t val; 849278366Sadrian int error, ntries; 850278366Sadrian 851278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 852278366Sadrian 853278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 854278366Sadrian return error; 855278366Sadrian 856278366Sadrian for (; count > 0; count -= 2, addr++) { 857278366Sadrian WPI_WRITE(sc, WPI_EEPROM, addr << 2); 858278366Sadrian for (ntries = 0; ntries < 10; ntries++) { 859278366Sadrian val = WPI_READ(sc, WPI_EEPROM); 860278366Sadrian if (val & WPI_EEPROM_READ_VALID) 861278366Sadrian break; 862278366Sadrian DELAY(5); 863278366Sadrian } 864278366Sadrian if (ntries == 10) { 865278366Sadrian device_printf(sc->sc_dev, 866278366Sadrian "timeout reading ROM at 0x%x\n", addr); 867278366Sadrian return ETIMEDOUT; 868278366Sadrian } 869278366Sadrian *out++= val >> 16; 870278366Sadrian if (count > 1) 871278366Sadrian *out ++= val >> 24; 872278366Sadrian } 873278366Sadrian 874278366Sadrian wpi_nic_unlock(sc); 875278366Sadrian 876278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 877278366Sadrian 878278366Sadrian return 0; 879278366Sadrian} 880278366Sadrian 881178354Ssamstatic void 882173362Sbenjscwpi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 883173362Sbenjsc{ 884173362Sbenjsc if (error != 0) 885173362Sbenjsc return; 886173362Sbenjsc KASSERT(nsegs == 1, ("too many DMA segments, %d should be 1", nsegs)); 887173362Sbenjsc *(bus_addr_t *)arg = segs[0].ds_addr; 888173362Sbenjsc} 889173362Sbenjsc 890177043Sthompsa/* 891177043Sthompsa * Allocates a contiguous block of dma memory of the requested size and 892278366Sadrian * alignment. 893177043Sthompsa */ 894173362Sbenjscstatic int 895173362Sbenjscwpi_dma_contig_alloc(struct wpi_softc *sc, struct wpi_dma_info *dma, 896278366Sadrian void **kvap, bus_size_t size, bus_size_t alignment) 897173362Sbenjsc{ 898173362Sbenjsc int error; 899173362Sbenjsc 900278366Sadrian dma->tag = NULL; 901173362Sbenjsc dma->size = size; 902173362Sbenjsc 903278366Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), alignment, 904278366Sadrian 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, size, 905278366Sadrian 1, size, BUS_DMA_NOWAIT, NULL, NULL, &dma->tag); 906278366Sadrian if (error != 0) 907173362Sbenjsc goto fail; 908278366Sadrian 909278366Sadrian error = bus_dmamem_alloc(dma->tag, (void **)&dma->vaddr, 910278366Sadrian BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, &dma->map); 911278366Sadrian if (error != 0) 912173362Sbenjsc goto fail; 913173362Sbenjsc 914278366Sadrian error = bus_dmamap_load(dma->tag, dma->map, dma->vaddr, size, 915278366Sadrian wpi_dma_map_addr, &dma->paddr, BUS_DMA_NOWAIT); 916278366Sadrian if (error != 0) 917278366Sadrian goto fail; 918177043Sthompsa 919278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 920177043Sthompsa 921173362Sbenjsc if (kvap != NULL) 922173362Sbenjsc *kvap = dma->vaddr; 923173362Sbenjsc 924173362Sbenjsc return 0; 925173362Sbenjsc 926278366Sadrianfail: wpi_dma_contig_free(dma); 927173362Sbenjsc return error; 928173362Sbenjsc} 929173362Sbenjsc 930173362Sbenjscstatic void 931173362Sbenjscwpi_dma_contig_free(struct wpi_dma_info *dma) 932173362Sbenjsc{ 933278366Sadrian if (dma->vaddr != NULL) { 934278366Sadrian bus_dmamap_sync(dma->tag, dma->map, 935278366Sadrian BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 936278366Sadrian bus_dmamap_unload(dma->tag, dma->map); 937278366Sadrian bus_dmamem_free(dma->tag, dma->vaddr, dma->map); 938278366Sadrian dma->vaddr = NULL; 939278366Sadrian } 940278366Sadrian if (dma->tag != NULL) { 941173362Sbenjsc bus_dma_tag_destroy(dma->tag); 942278366Sadrian dma->tag = NULL; 943173362Sbenjsc } 944173362Sbenjsc} 945173362Sbenjsc 946173362Sbenjsc/* 947173362Sbenjsc * Allocate a shared page between host and NIC. 948173362Sbenjsc */ 949173362Sbenjscstatic int 950173362Sbenjscwpi_alloc_shared(struct wpi_softc *sc) 951173362Sbenjsc{ 952278366Sadrian /* Shared buffer must be aligned on a 4KB boundary. */ 953278366Sadrian return wpi_dma_contig_alloc(sc, &sc->shared_dma, 954278366Sadrian (void **)&sc->shared, sizeof (struct wpi_shared), 4096); 955173362Sbenjsc} 956173362Sbenjsc 957173362Sbenjscstatic void 958173362Sbenjscwpi_free_shared(struct wpi_softc *sc) 959173362Sbenjsc{ 960173362Sbenjsc wpi_dma_contig_free(&sc->shared_dma); 961173362Sbenjsc} 962173362Sbenjsc 963278366Sadrian/* 964278366Sadrian * Allocate DMA-safe memory for firmware transfer. 965278366Sadrian */ 966173362Sbenjscstatic int 967278366Sadrianwpi_alloc_fwmem(struct wpi_softc *sc) 968173362Sbenjsc{ 969278366Sadrian /* Must be aligned on a 16-byte boundary. */ 970278366Sadrian return wpi_dma_contig_alloc(sc, &sc->fw_dma, NULL, 971278366Sadrian WPI_FW_TEXT_MAXSZ + WPI_FW_DATA_MAXSZ, 16); 972278366Sadrian} 973173362Sbenjsc 974278366Sadrianstatic void 975278366Sadrianwpi_free_fwmem(struct wpi_softc *sc) 976278366Sadrian{ 977278366Sadrian wpi_dma_contig_free(&sc->fw_dma); 978278366Sadrian} 979278366Sadrian 980278366Sadrianstatic int 981278366Sadrianwpi_alloc_rx_ring(struct wpi_softc *sc) 982278366Sadrian{ 983278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 984278366Sadrian bus_size_t size; 985173362Sbenjsc int i, error; 986173362Sbenjsc 987173362Sbenjsc ring->cur = 0; 988278366Sadrian ring->update = 0; 989173362Sbenjsc 990278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 991278366Sadrian 992278366Sadrian /* Allocate RX descriptors (16KB aligned.) */ 993278366Sadrian size = WPI_RX_RING_COUNT * sizeof (uint32_t); 994173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->desc_dma, 995278366Sadrian (void **)&ring->desc, size, WPI_RING_DMA_ALIGN); 996173362Sbenjsc if (error != 0) { 997177043Sthompsa device_printf(sc->sc_dev, 998278366Sadrian "%s: could not allocate RX ring DMA memory, error %d\n", 999177043Sthompsa __func__, error); 1000177043Sthompsa goto fail; 1001173362Sbenjsc } 1002173362Sbenjsc 1003278366Sadrian /* Create RX buffer DMA tag. */ 1004280059Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1005278366Sadrian BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 1006278366Sadrian MJUMPAGESIZE, 1, MJUMPAGESIZE, BUS_DMA_NOWAIT, NULL, NULL, 1007278366Sadrian &ring->data_dmat); 1008280059Sadrian if (error != 0) { 1009280059Sadrian device_printf(sc->sc_dev, 1010278366Sadrian "%s: could not create RX buf DMA tag, error %d\n", 1011177043Sthompsa __func__, error); 1012280059Sadrian goto fail; 1013280059Sadrian } 1014177043Sthompsa 1015173362Sbenjsc /* 1016278366Sadrian * Allocate and map RX buffers. 1017173362Sbenjsc */ 1018173362Sbenjsc for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1019177043Sthompsa struct wpi_rx_data *data = &ring->data[i]; 1020177043Sthompsa bus_addr_t paddr; 1021173362Sbenjsc 1022177043Sthompsa error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1023177043Sthompsa if (error != 0) { 1024173362Sbenjsc device_printf(sc->sc_dev, 1025278366Sadrian "%s: could not create RX buf DMA map, error %d\n", 1026177043Sthompsa __func__, error); 1027173362Sbenjsc goto fail; 1028173362Sbenjsc } 1029278366Sadrian 1030278366Sadrian data->m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1031278366Sadrian if (data->m == NULL) { 1032173362Sbenjsc device_printf(sc->sc_dev, 1033278366Sadrian "%s: could not allocate RX mbuf\n", __func__); 1034278366Sadrian error = ENOBUFS; 1035173362Sbenjsc goto fail; 1036173362Sbenjsc } 1037278366Sadrian 1038177043Sthompsa error = bus_dmamap_load(ring->data_dmat, data->map, 1039278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1040278366Sadrian &paddr, BUS_DMA_NOWAIT); 1041177043Sthompsa if (error != 0 && error != EFBIG) { 1042177043Sthompsa device_printf(sc->sc_dev, 1043278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, 1044278366Sadrian error); 1045173362Sbenjsc goto fail; 1046173362Sbenjsc } 1047177043Sthompsa 1048278366Sadrian /* Set physical address of RX buffer. */ 1049177043Sthompsa ring->desc[i] = htole32(paddr); 1050173362Sbenjsc } 1051278366Sadrian 1052173362Sbenjsc bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1053173362Sbenjsc BUS_DMASYNC_PREWRITE); 1054278366Sadrian 1055278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1056278366Sadrian 1057173362Sbenjsc return 0; 1058278366Sadrian 1059278366Sadrianfail: wpi_free_rx_ring(sc); 1060278366Sadrian 1061278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1062278366Sadrian 1063173362Sbenjsc return error; 1064173362Sbenjsc} 1065173362Sbenjsc 1066173362Sbenjscstatic void 1067278366Sadrianwpi_update_rx_ring(struct wpi_softc *sc) 1068173362Sbenjsc{ 1069278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1070173362Sbenjsc 1071280056Sadrian if (ring->update != 0) { 1072280056Sadrian /* Wait for INT_WAKEUP event. */ 1073280056Sadrian return; 1074280056Sadrian } 1075280056Sadrian 1076278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1077278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s: wakeup request\n", 1078278366Sadrian __func__); 1079173362Sbenjsc 1080278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1081278366Sadrian ring->update = 1; 1082278366Sadrian } else 1083278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, ring->cur & ~7); 1084278366Sadrian} 1085173362Sbenjsc 1086278366Sadrianstatic void 1087278366Sadrianwpi_reset_rx_ring(struct wpi_softc *sc) 1088278366Sadrian{ 1089278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1090278366Sadrian int ntries; 1091173362Sbenjsc 1092278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1093173362Sbenjsc 1094278366Sadrian if (wpi_nic_lock(sc) == 0) { 1095278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 0); 1096278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 1097278366Sadrian if (WPI_READ(sc, WPI_FH_RX_STATUS) & 1098278366Sadrian WPI_FH_RX_STATUS_IDLE) 1099278366Sadrian break; 1100278366Sadrian DELAY(10); 1101278366Sadrian } 1102278366Sadrian wpi_nic_unlock(sc); 1103278366Sadrian } 1104173362Sbenjsc 1105173362Sbenjsc ring->cur = 0; 1106278366Sadrian ring->update = 0; 1107173362Sbenjsc} 1108173362Sbenjsc 1109173362Sbenjscstatic void 1110278366Sadrianwpi_free_rx_ring(struct wpi_softc *sc) 1111173362Sbenjsc{ 1112278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1113173362Sbenjsc int i; 1114173362Sbenjsc 1115278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1116278366Sadrian 1117173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1118173362Sbenjsc 1119216824Sbschmidt for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1120216824Sbschmidt struct wpi_rx_data *data = &ring->data[i]; 1121216824Sbschmidt 1122216824Sbschmidt if (data->m != NULL) { 1123216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, 1124216824Sbschmidt BUS_DMASYNC_POSTREAD); 1125216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1126216824Sbschmidt m_freem(data->m); 1127278366Sadrian data->m = NULL; 1128216824Sbschmidt } 1129216824Sbschmidt if (data->map != NULL) 1130216824Sbschmidt bus_dmamap_destroy(ring->data_dmat, data->map); 1131216824Sbschmidt } 1132278366Sadrian if (ring->data_dmat != NULL) { 1133278366Sadrian bus_dma_tag_destroy(ring->data_dmat); 1134278366Sadrian ring->data_dmat = NULL; 1135278366Sadrian } 1136173362Sbenjsc} 1137173362Sbenjsc 1138173362Sbenjscstatic int 1139278366Sadrianwpi_alloc_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring, int qid) 1140173362Sbenjsc{ 1141278366Sadrian bus_addr_t paddr; 1142278366Sadrian bus_size_t size; 1143173362Sbenjsc int i, error; 1144173362Sbenjsc 1145173362Sbenjsc ring->qid = qid; 1146173362Sbenjsc ring->queued = 0; 1147173362Sbenjsc ring->cur = 0; 1148278366Sadrian ring->update = 0; 1149173362Sbenjsc 1150278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1151173362Sbenjsc 1152278366Sadrian /* Allocate TX descriptors (16KB aligned.) */ 1153278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_desc); 1154278366Sadrian error = wpi_dma_contig_alloc(sc, &ring->desc_dma, (void **)&ring->desc, 1155278366Sadrian size, WPI_RING_DMA_ALIGN); 1156173362Sbenjsc if (error != 0) { 1157278366Sadrian device_printf(sc->sc_dev, 1158278366Sadrian "%s: could not allocate TX ring DMA memory, error %d\n", 1159278366Sadrian __func__, error); 1160278366Sadrian goto fail; 1161173362Sbenjsc } 1162173362Sbenjsc 1163278366Sadrian /* Update shared area with ring physical address. */ 1164173362Sbenjsc sc->shared->txbase[qid] = htole32(ring->desc_dma.paddr); 1165278366Sadrian bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 1166278366Sadrian BUS_DMASYNC_PREWRITE); 1167173362Sbenjsc 1168278366Sadrian /* 1169278366Sadrian * We only use rings 0 through 4 (4 EDCA + cmd) so there is no need 1170278366Sadrian * to allocate commands space for other rings. 1171278366Sadrian * XXX Do we really need to allocate descriptors for other rings? 1172278366Sadrian */ 1173280064Sadrian if (qid > WPI_CMD_QUEUE_NUM) 1174278366Sadrian return 0; 1175278366Sadrian 1176278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_cmd); 1177173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->cmd_dma, (void **)&ring->cmd, 1178278366Sadrian size, 4); 1179173362Sbenjsc if (error != 0) { 1180173362Sbenjsc device_printf(sc->sc_dev, 1181278366Sadrian "%s: could not allocate TX cmd DMA memory, error %d\n", 1182278366Sadrian __func__, error); 1183173362Sbenjsc goto fail; 1184173362Sbenjsc } 1185173362Sbenjsc 1186173362Sbenjsc error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1187173362Sbenjsc BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1188173362Sbenjsc WPI_MAX_SCATTER - 1, MCLBYTES, BUS_DMA_NOWAIT, NULL, NULL, 1189173362Sbenjsc &ring->data_dmat); 1190173362Sbenjsc if (error != 0) { 1191278366Sadrian device_printf(sc->sc_dev, 1192278366Sadrian "%s: could not create TX buf DMA tag, error %d\n", 1193278366Sadrian __func__, error); 1194173362Sbenjsc goto fail; 1195173362Sbenjsc } 1196173362Sbenjsc 1197278366Sadrian paddr = ring->cmd_dma.paddr; 1198278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1199278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1200173362Sbenjsc 1201278366Sadrian data->cmd_paddr = paddr; 1202278366Sadrian paddr += sizeof (struct wpi_tx_cmd); 1203278366Sadrian 1204173362Sbenjsc error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1205173362Sbenjsc if (error != 0) { 1206173362Sbenjsc device_printf(sc->sc_dev, 1207278366Sadrian "%s: could not create TX buf DMA map, error %d\n", 1208278366Sadrian __func__, error); 1209173362Sbenjsc goto fail; 1210173362Sbenjsc } 1211173362Sbenjsc } 1212173362Sbenjsc 1213278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1214278366Sadrian 1215173362Sbenjsc return 0; 1216173362Sbenjsc 1217278366Sadrianfail: wpi_free_tx_ring(sc, ring); 1218278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1219173362Sbenjsc return error; 1220173362Sbenjsc} 1221173362Sbenjsc 1222173362Sbenjscstatic void 1223278366Sadrianwpi_update_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1224278366Sadrian{ 1225280056Sadrian if (ring->update != 0) { 1226280056Sadrian /* Wait for INT_WAKEUP event. */ 1227280056Sadrian return; 1228280056Sadrian } 1229280056Sadrian 1230278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1231278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s (%d): requesting wakeup\n", 1232278366Sadrian __func__, ring->qid); 1233278366Sadrian 1234278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1235278366Sadrian ring->update = 1; 1236278366Sadrian } else 1237278366Sadrian WPI_WRITE(sc, WPI_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur); 1238278366Sadrian} 1239278366Sadrian 1240278366Sadrianstatic void 1241173362Sbenjscwpi_reset_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1242173362Sbenjsc{ 1243278366Sadrian int i; 1244173362Sbenjsc 1245278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1246173362Sbenjsc 1247278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1248278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1249173362Sbenjsc 1250173362Sbenjsc if (data->m != NULL) { 1251278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1252278366Sadrian BUS_DMASYNC_POSTWRITE); 1253173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1254173362Sbenjsc m_freem(data->m); 1255173362Sbenjsc data->m = NULL; 1256173362Sbenjsc } 1257173362Sbenjsc } 1258278366Sadrian /* Clear TX descriptors. */ 1259278366Sadrian memset(ring->desc, 0, ring->desc_dma.size); 1260278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1261278366Sadrian BUS_DMASYNC_PREWRITE); 1262278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1263173362Sbenjsc ring->queued = 0; 1264173362Sbenjsc ring->cur = 0; 1265278366Sadrian ring->update = 0; 1266173362Sbenjsc} 1267173362Sbenjsc 1268173362Sbenjscstatic void 1269173362Sbenjscwpi_free_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1270173362Sbenjsc{ 1271173362Sbenjsc int i; 1272173362Sbenjsc 1273278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1274278366Sadrian 1275173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1276173362Sbenjsc wpi_dma_contig_free(&ring->cmd_dma); 1277173362Sbenjsc 1278278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1279278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1280173362Sbenjsc 1281278366Sadrian if (data->m != NULL) { 1282278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1283278366Sadrian BUS_DMASYNC_POSTWRITE); 1284278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1285278366Sadrian m_freem(data->m); 1286173362Sbenjsc } 1287278366Sadrian if (data->map != NULL) 1288278366Sadrian bus_dmamap_destroy(ring->data_dmat, data->map); 1289173362Sbenjsc } 1290278366Sadrian if (ring->data_dmat != NULL) { 1291173362Sbenjsc bus_dma_tag_destroy(ring->data_dmat); 1292278366Sadrian ring->data_dmat = NULL; 1293278366Sadrian } 1294173362Sbenjsc} 1295173362Sbenjsc 1296278366Sadrian/* 1297278366Sadrian * Extract various information from EEPROM. 1298278366Sadrian */ 1299173362Sbenjscstatic int 1300278366Sadrianwpi_read_eeprom(struct wpi_softc *sc, uint8_t macaddr[IEEE80211_ADDR_LEN]) 1301173362Sbenjsc{ 1302278366Sadrian#define WPI_CHK(res) do { \ 1303278366Sadrian if ((error = res) != 0) \ 1304278366Sadrian goto fail; \ 1305278366Sadrian} while (0) 1306278366Sadrian int error, i; 1307173362Sbenjsc 1308278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1309173362Sbenjsc 1310278366Sadrian /* Adapter has to be powered on for EEPROM access to work. */ 1311278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 1312278366Sadrian device_printf(sc->sc_dev, 1313278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 1314278366Sadrian error); 1315278366Sadrian return error; 1316278366Sadrian } 1317278366Sadrian 1318278366Sadrian if ((WPI_READ(sc, WPI_EEPROM_GP) & 0x6) == 0) { 1319278366Sadrian device_printf(sc->sc_dev, "bad EEPROM signature\n"); 1320278366Sadrian error = EIO; 1321278366Sadrian goto fail; 1322278366Sadrian } 1323278366Sadrian /* Clear HW ownership of EEPROM. */ 1324278366Sadrian WPI_CLRBITS(sc, WPI_EEPROM_GP, WPI_EEPROM_GP_IF_OWNER); 1325278366Sadrian 1326278366Sadrian /* Read the hardware capabilities, revision and SKU type. */ 1327278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_SKU_CAP, &sc->cap, 1328278366Sadrian sizeof(sc->cap))); 1329278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_REVISION, &sc->rev, 1330278366Sadrian sizeof(sc->rev))); 1331278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_TYPE, &sc->type, 1332278366Sadrian sizeof(sc->type))); 1333278366Sadrian 1334280076Sadrian sc->rev = le16toh(sc->rev); 1335280066Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, "cap=%x rev=%x type=%x\n", sc->cap, 1336280076Sadrian sc->rev, sc->type); 1337278366Sadrian 1338278366Sadrian /* Read the regulatory domain (4 ASCII characters.) */ 1339278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_DOMAIN, sc->domain, 1340278366Sadrian sizeof(sc->domain))); 1341278366Sadrian 1342278366Sadrian /* Read MAC address. */ 1343278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_MAC, macaddr, 1344278366Sadrian IEEE80211_ADDR_LEN)); 1345278366Sadrian 1346278366Sadrian /* Read the list of authorized channels. */ 1347278366Sadrian for (i = 0; i < WPI_CHAN_BANDS_COUNT; i++) 1348278366Sadrian WPI_CHK(wpi_read_eeprom_channels(sc, i)); 1349278366Sadrian 1350278366Sadrian /* Read the list of TX power groups. */ 1351278366Sadrian for (i = 0; i < WPI_POWER_GROUPS_COUNT; i++) 1352278366Sadrian WPI_CHK(wpi_read_eeprom_group(sc, i)); 1353278366Sadrian 1354278366Sadrianfail: wpi_apm_stop(sc); /* Power OFF adapter. */ 1355278366Sadrian 1356278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, error ? TRACE_STR_END_ERR : TRACE_STR_END, 1357278366Sadrian __func__); 1358278366Sadrian 1359278366Sadrian return error; 1360278366Sadrian#undef WPI_CHK 1361278366Sadrian} 1362278366Sadrian 1363278366Sadrian/* 1364278366Sadrian * Translate EEPROM flags to net80211. 1365278366Sadrian */ 1366278366Sadrianstatic uint32_t 1367278366Sadrianwpi_eeprom_channel_flags(struct wpi_eeprom_chan *channel) 1368278366Sadrian{ 1369278366Sadrian uint32_t nflags; 1370278366Sadrian 1371278366Sadrian nflags = 0; 1372278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_ACTIVE) == 0) 1373278366Sadrian nflags |= IEEE80211_CHAN_PASSIVE; 1374278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_IBSS) == 0) 1375278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1376278366Sadrian if (channel->flags & WPI_EEPROM_CHAN_RADAR) { 1377278366Sadrian nflags |= IEEE80211_CHAN_DFS; 1378278366Sadrian /* XXX apparently IBSS may still be marked */ 1379278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1380278366Sadrian } 1381278366Sadrian 1382278366Sadrian return nflags; 1383278366Sadrian} 1384278366Sadrian 1385278366Sadrianstatic void 1386278366Sadrianwpi_read_eeprom_band(struct wpi_softc *sc, int n) 1387278366Sadrian{ 1388278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1389278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1390278366Sadrian struct wpi_eeprom_chan *channels = sc->eeprom_channels[n]; 1391278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1392278366Sadrian struct ieee80211_channel *c; 1393278366Sadrian uint8_t chan; 1394278366Sadrian int i, nflags; 1395278366Sadrian 1396278366Sadrian for (i = 0; i < band->nchan; i++) { 1397278366Sadrian if (!(channels[i].flags & WPI_EEPROM_CHAN_VALID)) { 1398280080Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1399278366Sadrian "Channel Not Valid: %d, band %d\n", 1400278366Sadrian band->chan[i],n); 1401278366Sadrian continue; 1402278366Sadrian } 1403278366Sadrian 1404278366Sadrian chan = band->chan[i]; 1405278366Sadrian nflags = wpi_eeprom_channel_flags(&channels[i]); 1406278366Sadrian 1407278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1408278366Sadrian c->ic_ieee = chan; 1409278366Sadrian c->ic_maxregpower = channels[i].maxpwr; 1410278366Sadrian c->ic_maxpower = 2*c->ic_maxregpower; 1411278366Sadrian 1412278366Sadrian if (n == 0) { /* 2GHz band */ 1413280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1414280066Sadrian IEEE80211_CHAN_G); 1415280066Sadrian 1416278366Sadrian /* G =>'s B is supported */ 1417278366Sadrian c->ic_flags = IEEE80211_CHAN_B | nflags; 1418278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1419278366Sadrian c[0] = c[-1]; 1420278366Sadrian c->ic_flags = IEEE80211_CHAN_G | nflags; 1421278366Sadrian } else { /* 5GHz band */ 1422280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1423280066Sadrian IEEE80211_CHAN_A); 1424280066Sadrian 1425278366Sadrian c->ic_flags = IEEE80211_CHAN_A | nflags; 1426278366Sadrian } 1427278366Sadrian 1428278366Sadrian /* Save maximum allowed TX power for this channel. */ 1429278366Sadrian sc->maxpwr[chan] = channels[i].maxpwr; 1430278366Sadrian 1431278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1432278366Sadrian "adding chan %d (%dMHz) flags=0x%x maxpwr=%d passive=%d," 1433278366Sadrian " offset %d\n", chan, c->ic_freq, 1434278366Sadrian channels[i].flags, sc->maxpwr[chan], 1435278764Sadrian IEEE80211_IS_CHAN_PASSIVE(c), ic->ic_nchans); 1436278366Sadrian } 1437278366Sadrian} 1438278366Sadrian 1439278366Sadrian/** 1440278366Sadrian * Read the eeprom to find out what channels are valid for the given 1441278366Sadrian * band and update net80211 with what we find. 1442278366Sadrian */ 1443278366Sadrianstatic int 1444278366Sadrianwpi_read_eeprom_channels(struct wpi_softc *sc, int n) 1445278366Sadrian{ 1446278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1447278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1448278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1449278366Sadrian int error; 1450278366Sadrian 1451278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1452278366Sadrian 1453278366Sadrian error = wpi_read_prom_data(sc, band->addr, &sc->eeprom_channels[n], 1454278366Sadrian band->nchan * sizeof (struct wpi_eeprom_chan)); 1455278366Sadrian if (error != 0) { 1456278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1457278366Sadrian return error; 1458278366Sadrian } 1459278366Sadrian 1460278366Sadrian wpi_read_eeprom_band(sc, n); 1461278366Sadrian 1462278366Sadrian ieee80211_sort_channels(ic->ic_channels, ic->ic_nchans); 1463278366Sadrian 1464278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1465278366Sadrian 1466173362Sbenjsc return 0; 1467173362Sbenjsc} 1468173362Sbenjsc 1469278366Sadrianstatic struct wpi_eeprom_chan * 1470278366Sadrianwpi_find_eeprom_channel(struct wpi_softc *sc, struct ieee80211_channel *c) 1471278366Sadrian{ 1472278366Sadrian int i, j; 1473278366Sadrian 1474278366Sadrian for (j = 0; j < WPI_CHAN_BANDS_COUNT; j++) 1475278366Sadrian for (i = 0; i < wpi_bands[j].nchan; i++) 1476278366Sadrian if (wpi_bands[j].chan[i] == c->ic_ieee) 1477278366Sadrian return &sc->eeprom_channels[j][i]; 1478278366Sadrian 1479278366Sadrian return NULL; 1480278366Sadrian} 1481278366Sadrian 1482278366Sadrian/* 1483278366Sadrian * Enforce flags read from EEPROM. 1484278366Sadrian */ 1485173362Sbenjscstatic int 1486278366Sadrianwpi_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *rd, 1487278366Sadrian int nchan, struct ieee80211_channel chans[]) 1488173362Sbenjsc{ 1489278366Sadrian struct ifnet *ifp = ic->ic_ifp; 1490278366Sadrian struct wpi_softc *sc = ifp->if_softc; 1491278366Sadrian int i; 1492173362Sbenjsc 1493278366Sadrian for (i = 0; i < nchan; i++) { 1494278366Sadrian struct ieee80211_channel *c = &chans[i]; 1495278366Sadrian struct wpi_eeprom_chan *channel; 1496278366Sadrian 1497278366Sadrian channel = wpi_find_eeprom_channel(sc, c); 1498278366Sadrian if (channel == NULL) { 1499278366Sadrian if_printf(ic->ic_ifp, 1500278366Sadrian "%s: invalid channel %u freq %u/0x%x\n", 1501278366Sadrian __func__, c->ic_ieee, c->ic_freq, c->ic_flags); 1502278366Sadrian return EINVAL; 1503278366Sadrian } 1504278366Sadrian c->ic_flags |= wpi_eeprom_channel_flags(channel); 1505278366Sadrian } 1506278366Sadrian 1507173362Sbenjsc return 0; 1508173362Sbenjsc} 1509173362Sbenjsc 1510173362Sbenjscstatic int 1511278366Sadrianwpi_read_eeprom_group(struct wpi_softc *sc, int n) 1512173362Sbenjsc{ 1513278366Sadrian struct wpi_power_group *group = &sc->groups[n]; 1514278366Sadrian struct wpi_eeprom_group rgroup; 1515278366Sadrian int i, error; 1516173362Sbenjsc 1517278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1518173362Sbenjsc 1519278366Sadrian if ((error = wpi_read_prom_data(sc, WPI_EEPROM_POWER_GRP + n * 32, 1520278366Sadrian &rgroup, sizeof rgroup)) != 0) { 1521278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1522278366Sadrian return error; 1523278366Sadrian } 1524278366Sadrian 1525278366Sadrian /* Save TX power group information. */ 1526278366Sadrian group->chan = rgroup.chan; 1527278366Sadrian group->maxpwr = rgroup.maxpwr; 1528278366Sadrian /* Retrieve temperature at which the samples were taken. */ 1529278366Sadrian group->temp = (int16_t)le16toh(rgroup.temp); 1530278366Sadrian 1531278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1532278366Sadrian "power group %d: chan=%d maxpwr=%d temp=%d\n", n, group->chan, 1533278366Sadrian group->maxpwr, group->temp); 1534278366Sadrian 1535278366Sadrian for (i = 0; i < WPI_SAMPLES_COUNT; i++) { 1536278366Sadrian group->samples[i].index = rgroup.samples[i].index; 1537278366Sadrian group->samples[i].power = rgroup.samples[i].power; 1538278366Sadrian 1539278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1540278366Sadrian "\tsample %d: index=%d power=%d\n", i, 1541278366Sadrian group->samples[i].index, group->samples[i].power); 1542278366Sadrian } 1543278366Sadrian 1544278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1545278366Sadrian 1546173362Sbenjsc return 0; 1547173362Sbenjsc} 1548173362Sbenjsc 1549280069Sadrianstatic int 1550280069Sadrianwpi_add_node_entry_adhoc(struct wpi_softc *sc) 1551280069Sadrian{ 1552280069Sadrian int newid = WPI_ID_IBSS_MIN; 1553280069Sadrian 1554280069Sadrian for (; newid <= WPI_ID_IBSS_MAX; newid++) { 1555280069Sadrian if ((sc->nodesmsk & (1 << newid)) == 0) { 1556280069Sadrian sc->nodesmsk |= 1 << newid; 1557280069Sadrian return newid; 1558280069Sadrian } 1559280069Sadrian } 1560280069Sadrian 1561280069Sadrian return WPI_ID_UNDEFINED; 1562280069Sadrian} 1563280069Sadrian 1564280069Sadrianstatic __inline int 1565280070Sadrianwpi_add_node_entry_sta(struct wpi_softc *sc) 1566280070Sadrian{ 1567280070Sadrian sc->nodesmsk |= 1 << WPI_ID_BSS; 1568280070Sadrian 1569280070Sadrian return WPI_ID_BSS; 1570280070Sadrian} 1571280070Sadrian 1572280070Sadrianstatic __inline int 1573280069Sadrianwpi_check_node_entry(struct wpi_softc *sc, uint8_t id) 1574280069Sadrian{ 1575280069Sadrian if (id == WPI_ID_UNDEFINED) 1576280069Sadrian return 0; 1577280069Sadrian 1578280069Sadrian return (sc->nodesmsk >> id) & 1; 1579280069Sadrian} 1580280069Sadrian 1581280069Sadrianstatic __inline void 1582280069Sadrianwpi_clear_node_table(struct wpi_softc *sc) 1583280069Sadrian{ 1584280069Sadrian sc->nodesmsk = 0; 1585280069Sadrian} 1586280069Sadrian 1587280069Sadrianstatic __inline void 1588280069Sadrianwpi_del_node_entry(struct wpi_softc *sc, uint8_t id) 1589280069Sadrian{ 1590280069Sadrian sc->nodesmsk &= ~(1 << id); 1591280069Sadrian} 1592280069Sadrian 1593278366Sadrianstatic struct ieee80211_node * 1594278366Sadrianwpi_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 1595278366Sadrian{ 1596278366Sadrian struct wpi_node *wn; 1597278366Sadrian 1598278366Sadrian wn = malloc(sizeof (struct wpi_node), M_80211_NODE, 1599278366Sadrian M_NOWAIT | M_ZERO); 1600278366Sadrian 1601278366Sadrian if (wn == NULL) 1602278366Sadrian return NULL; 1603278366Sadrian 1604278366Sadrian wn->id = WPI_ID_UNDEFINED; 1605278366Sadrian 1606278366Sadrian return &wn->ni; 1607278366Sadrian} 1608278366Sadrian 1609278366Sadrianstatic void 1610278366Sadrianwpi_node_free(struct ieee80211_node *ni) 1611278366Sadrian{ 1612278366Sadrian struct ieee80211com *ic = ni->ni_ic; 1613278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 1614280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 1615278366Sadrian 1616280070Sadrian if (wn->id != WPI_ID_UNDEFINED) { 1617280077Sadrian WPI_NT_LOCK(sc); 1618280069Sadrian if (wpi_check_node_entry(sc, wn->id)) { 1619280069Sadrian wpi_del_node_entry(sc, wn->id); 1620278366Sadrian wpi_del_node(sc, ni); 1621280069Sadrian } 1622280077Sadrian WPI_NT_UNLOCK(sc); 1623278366Sadrian } 1624278366Sadrian 1625278366Sadrian sc->sc_node_free(ni); 1626278366Sadrian} 1627278366Sadrian 1628173362Sbenjsc/** 1629173362Sbenjsc * Called by net80211 when ever there is a change to 80211 state machine 1630173362Sbenjsc */ 1631173362Sbenjscstatic int 1632178354Ssamwpi_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1633173362Sbenjsc{ 1634178354Ssam struct wpi_vap *wvp = WPI_VAP(vap); 1635178354Ssam struct ieee80211com *ic = vap->iv_ic; 1636173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 1637173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 1638278366Sadrian int error = 0; 1639173362Sbenjsc 1640278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1641278366Sadrian 1642278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "%s: %s -> %s\n", __func__, 1643178354Ssam ieee80211_state_name[vap->iv_state], 1644278366Sadrian ieee80211_state_name[nstate]); 1645173362Sbenjsc 1646191746Sthompsa IEEE80211_UNLOCK(ic); 1647191746Sthompsa WPI_LOCK(sc); 1648278366Sadrian switch (nstate) { 1649278366Sadrian case IEEE80211_S_SCAN: 1650278366Sadrian if ((vap->iv_opmode == IEEE80211_M_IBSS || 1651278366Sadrian vap->iv_opmode == IEEE80211_M_AHDEMO) && 1652278366Sadrian (sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 1653278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 1654278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 1655278366Sadrian device_printf(sc->sc_dev, 1656278366Sadrian "%s: could not send RXON\n", __func__); 1657278366Sadrian } 1658216238Sbschmidt } 1659278366Sadrian break; 1660278366Sadrian 1661278366Sadrian case IEEE80211_S_ASSOC: 1662278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1663278366Sadrian break; 1664278366Sadrian /* FALLTHROUGH */ 1665278366Sadrian case IEEE80211_S_AUTH: 1666216238Sbschmidt /* 1667216238Sbschmidt * The node must be registered in the firmware before auth. 1668216238Sbschmidt * Also the associd must be cleared on RUN -> ASSOC 1669216238Sbschmidt * transitions. 1670216238Sbschmidt */ 1671278366Sadrian if ((error = wpi_auth(sc, vap)) != 0) { 1672191746Sthompsa device_printf(sc->sc_dev, 1673278366Sadrian "%s: could not move to AUTH state, error %d\n", 1674191746Sthompsa __func__, error); 1675191746Sthompsa } 1676278366Sadrian break; 1677278366Sadrian 1678278366Sadrian case IEEE80211_S_RUN: 1679278366Sadrian /* 1680278366Sadrian * RUN -> RUN transition; Just restart the timers. 1681278366Sadrian */ 1682278366Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 1683278366Sadrian wpi_calib_timeout(sc); 1684278366Sadrian break; 1685278366Sadrian } 1686278366Sadrian 1687278366Sadrian /* 1688278366Sadrian * !RUN -> RUN requires setting the association id 1689278366Sadrian * which is done with a firmware cmd. We also defer 1690278366Sadrian * starting the timers until that work is done. 1691278366Sadrian */ 1692278366Sadrian if ((error = wpi_run(sc, vap)) != 0) { 1693191746Sthompsa device_printf(sc->sc_dev, 1694278366Sadrian "%s: could not move to RUN state\n", __func__); 1695191746Sthompsa } 1696278366Sadrian break; 1697278366Sadrian 1698278366Sadrian default: 1699278366Sadrian break; 1700178354Ssam } 1701191746Sthompsa WPI_UNLOCK(sc); 1702191746Sthompsa IEEE80211_LOCK(ic); 1703278366Sadrian if (error != 0) { 1704278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1705278366Sadrian return error; 1706278366Sadrian } 1707173362Sbenjsc 1708278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1709173362Sbenjsc 1710280085Sadrian return wvp->wv_newstate(vap, nstate, arg); 1711173362Sbenjsc} 1712173362Sbenjsc 1713173362Sbenjscstatic void 1714278366Sadrianwpi_calib_timeout(void *arg) 1715173362Sbenjsc{ 1716278366Sadrian struct wpi_softc *sc = arg; 1717278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1718278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1719278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1720173362Sbenjsc 1721278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1722278366Sadrian return; 1723173362Sbenjsc 1724278366Sadrian wpi_power_calibration(sc); 1725173362Sbenjsc 1726278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 1727173362Sbenjsc} 1728173362Sbenjsc 1729278366Sadrianstatic __inline uint8_t 1730278366Sadrianrate2plcp(const uint8_t rate) 1731173362Sbenjsc{ 1732278366Sadrian switch (rate) { 1733278366Sadrian case 12: return 0xd; 1734278366Sadrian case 18: return 0xf; 1735278366Sadrian case 24: return 0x5; 1736278366Sadrian case 36: return 0x7; 1737278366Sadrian case 48: return 0x9; 1738278366Sadrian case 72: return 0xb; 1739278366Sadrian case 96: return 0x1; 1740278366Sadrian case 108: return 0x3; 1741278366Sadrian case 2: return 10; 1742278366Sadrian case 4: return 20; 1743278366Sadrian case 11: return 55; 1744278366Sadrian case 22: return 110; 1745278366Sadrian default: return 0; 1746173362Sbenjsc } 1747173362Sbenjsc} 1748173362Sbenjsc 1749278366Sadrianstatic __inline uint8_t 1750278366Sadrianplcp2rate(const uint8_t plcp) 1751173362Sbenjsc{ 1752278366Sadrian switch (plcp) { 1753278366Sadrian case 0xd: return 12; 1754278366Sadrian case 0xf: return 18; 1755278366Sadrian case 0x5: return 24; 1756278366Sadrian case 0x7: return 36; 1757278366Sadrian case 0x9: return 48; 1758278366Sadrian case 0xb: return 72; 1759278366Sadrian case 0x1: return 96; 1760278366Sadrian case 0x3: return 108; 1761278366Sadrian case 10: return 2; 1762278366Sadrian case 20: return 4; 1763278366Sadrian case 55: return 11; 1764278366Sadrian case 110: return 22; 1765278366Sadrian default: return 0; 1766173362Sbenjsc } 1767278366Sadrian} 1768173362Sbenjsc 1769278366Sadrian/* Quickly determine if a given rate is CCK or OFDM. */ 1770278366Sadrian#define WPI_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22) 1771173362Sbenjsc 1772173362Sbenjscstatic void 1773278366Sadrianwpi_rx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1774278366Sadrian struct wpi_rx_data *data) 1775173362Sbenjsc{ 1776178354Ssam struct ifnet *ifp = sc->sc_ifp; 1777178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1778173362Sbenjsc struct wpi_rx_ring *ring = &sc->rxq; 1779173362Sbenjsc struct wpi_rx_stat *stat; 1780173362Sbenjsc struct wpi_rx_head *head; 1781173362Sbenjsc struct wpi_rx_tail *tail; 1782278366Sadrian struct ieee80211_frame *wh; 1783173362Sbenjsc struct ieee80211_node *ni; 1784278366Sadrian struct mbuf *m, *m1; 1785177043Sthompsa bus_addr_t paddr; 1786278366Sadrian uint32_t flags; 1787278366Sadrian uint16_t len; 1788177043Sthompsa int error; 1789173362Sbenjsc 1790173362Sbenjsc stat = (struct wpi_rx_stat *)(desc + 1); 1791173362Sbenjsc 1792173362Sbenjsc if (stat->len > WPI_STAT_MAXLEN) { 1793278366Sadrian device_printf(sc->sc_dev, "invalid RX statistic header\n"); 1794278764Sadrian goto fail1; 1795173362Sbenjsc } 1796173362Sbenjsc 1797216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTREAD); 1798173362Sbenjsc head = (struct wpi_rx_head *)((caddr_t)(stat + 1) + stat->len); 1799278366Sadrian len = le16toh(head->len); 1800278366Sadrian tail = (struct wpi_rx_tail *)((caddr_t)(head + 1) + len); 1801278366Sadrian flags = le32toh(tail->flags); 1802173362Sbenjsc 1803278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: idx %d len %d stat len %u rssi %d" 1804278366Sadrian " rate %x chan %d tstamp %ju\n", __func__, ring->cur, 1805278366Sadrian le32toh(desc->len), len, (int8_t)stat->rssi, 1806278366Sadrian head->plcp, head->chan, (uintmax_t)le64toh(tail->tstamp)); 1807173362Sbenjsc 1808278366Sadrian /* Discard frames with a bad FCS early. */ 1809278366Sadrian if ((flags & WPI_RX_NOERROR) != WPI_RX_NOERROR) { 1810278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: RX flags error %x\n", 1811278366Sadrian __func__, flags); 1812278764Sadrian goto fail1; 1813190458Sjmallett } 1814278366Sadrian /* Discard frames that are too short. */ 1815278366Sadrian if (len < sizeof (*wh)) { 1816278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: frame too short: %d\n", 1817278366Sadrian __func__, len); 1818278764Sadrian goto fail1; 1819190458Sjmallett } 1820190458Sjmallett 1821278366Sadrian m1 = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1822278366Sadrian if (m1 == NULL) { 1823278366Sadrian DPRINTF(sc, WPI_DEBUG_ANY, "%s: no mbuf to restock ring\n", 1824278366Sadrian __func__); 1825278764Sadrian goto fail1; 1826177043Sthompsa } 1827216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1828216824Sbschmidt 1829278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, mtod(m1, void *), 1830278366Sadrian MJUMPAGESIZE, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 1831177043Sthompsa if (error != 0 && error != EFBIG) { 1832177043Sthompsa device_printf(sc->sc_dev, 1833177043Sthompsa "%s: bus_dmamap_load failed, error %d\n", __func__, error); 1834278366Sadrian m_freem(m1); 1835278366Sadrian 1836278366Sadrian /* Try to reload the old mbuf. */ 1837278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, 1838278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1839278366Sadrian &paddr, BUS_DMA_NOWAIT); 1840278366Sadrian if (error != 0 && error != EFBIG) { 1841278366Sadrian panic("%s: could not load old RX mbuf", __func__); 1842278366Sadrian } 1843278366Sadrian /* Physical address may have changed. */ 1844278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1845278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->desc_dma.map, 1846278366Sadrian BUS_DMASYNC_PREWRITE); 1847278764Sadrian goto fail1; 1848177043Sthompsa } 1849177043Sthompsa 1850173362Sbenjsc m = data->m; 1851278366Sadrian data->m = m1; 1852278366Sadrian /* Update RX descriptor. */ 1853278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1854278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1855278366Sadrian BUS_DMASYNC_PREWRITE); 1856278366Sadrian 1857278366Sadrian /* Finalize mbuf. */ 1858173362Sbenjsc m->m_pkthdr.rcvif = ifp; 1859173362Sbenjsc m->m_data = (caddr_t)(head + 1); 1860278366Sadrian m->m_pkthdr.len = m->m_len = len; 1861173362Sbenjsc 1862278366Sadrian /* Grab a reference to the source node. */ 1863278366Sadrian wh = mtod(m, struct ieee80211_frame *); 1864173362Sbenjsc 1865278366Sadrian if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) && 1866280088Sadrian (flags & WPI_RX_CIPHER_MASK) == WPI_RX_CIPHER_CCMP) { 1867278366Sadrian /* Check whether decryption was successful or not. */ 1868278366Sadrian if ((flags & WPI_RX_DECRYPT_MASK) != WPI_RX_DECRYPT_OK) { 1869278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, 1870278366Sadrian "CCMP decryption failed 0x%x\n", flags); 1871278764Sadrian goto fail2; 1872278366Sadrian } 1873278366Sadrian m->m_flags |= M_WEP; 1874278366Sadrian } 1875278366Sadrian 1876280088Sadrian ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1877280088Sadrian 1878192468Ssam if (ieee80211_radiotap_active(ic)) { 1879173362Sbenjsc struct wpi_rx_radiotap_header *tap = &sc->sc_rxtap; 1880173362Sbenjsc 1881173362Sbenjsc tap->wr_flags = 0; 1882278366Sadrian if (head->flags & htole16(WPI_STAT_FLAG_SHPREAMBLE)) 1883278366Sadrian tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 1884280064Sadrian tap->wr_dbm_antsignal = (int8_t)(stat->rssi + WPI_RSSI_OFFSET); 1885280081Sadrian tap->wr_dbm_antnoise = WPI_RSSI_OFFSET; 1886173362Sbenjsc tap->wr_tsft = tail->tstamp; 1887173362Sbenjsc tap->wr_antenna = (le16toh(head->flags) >> 4) & 0xf; 1888278366Sadrian tap->wr_rate = plcp2rate(head->plcp); 1889173362Sbenjsc } 1890173362Sbenjsc 1891173362Sbenjsc WPI_UNLOCK(sc); 1892173362Sbenjsc 1893278366Sadrian /* Send the frame to the 802.11 layer. */ 1894178354Ssam if (ni != NULL) { 1895280064Sadrian (void)ieee80211_input(ni, m, stat->rssi, WPI_RSSI_OFFSET); 1896278366Sadrian /* Node is no longer needed. */ 1897178354Ssam ieee80211_free_node(ni); 1898178354Ssam } else 1899280064Sadrian (void)ieee80211_input_all(ic, m, stat->rssi, WPI_RSSI_OFFSET); 1900173362Sbenjsc 1901173362Sbenjsc WPI_LOCK(sc); 1902278764Sadrian 1903278764Sadrian return; 1904278764Sadrian 1905280088Sadrianfail2: m_freem(m); 1906278764Sadrian 1907278764Sadrianfail1: if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1908173362Sbenjsc} 1909173362Sbenjsc 1910173362Sbenjscstatic void 1911278366Sadrianwpi_rx_statistics(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1912278366Sadrian struct wpi_rx_data *data) 1913173362Sbenjsc{ 1914278366Sadrian /* Ignore */ 1915278366Sadrian} 1916278366Sadrian 1917278366Sadrianstatic void 1918278366Sadrianwpi_tx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1919278366Sadrian{ 1920178354Ssam struct ifnet *ifp = sc->sc_ifp; 1921173362Sbenjsc struct wpi_tx_ring *ring = &sc->txq[desc->qid & 0x3]; 1922278366Sadrian struct wpi_tx_data *data = &ring->data[desc->idx]; 1923173362Sbenjsc struct wpi_tx_stat *stat = (struct wpi_tx_stat *)(desc + 1); 1924278366Sadrian struct mbuf *m; 1925278366Sadrian struct ieee80211_node *ni; 1926278366Sadrian struct ieee80211vap *vap; 1927280078Sadrian struct ieee80211com *ic; 1928280054Sadrian int ackfailcnt = stat->ackfailcnt / 2; /* wpi_mrr_setup() */ 1929278366Sadrian int status = le32toh(stat->status); 1930173362Sbenjsc 1931278366Sadrian KASSERT(data->ni != NULL, ("no node")); 1932173362Sbenjsc 1933278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1934278366Sadrian 1935278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: " 1936278366Sadrian "qid %d idx %d retries %d btkillcnt %d rate %x duration %d " 1937278764Sadrian "status %x\n", __func__, desc->qid, desc->idx, ackfailcnt, 1938278366Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), status); 1939278366Sadrian 1940278366Sadrian /* Unmap and free mbuf. */ 1941278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTWRITE); 1942278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1943278366Sadrian m = data->m, data->m = NULL; 1944278366Sadrian ni = data->ni, data->ni = NULL; 1945278366Sadrian vap = ni->ni_vap; 1946280078Sadrian ic = vap->iv_ic; 1947278366Sadrian 1948173362Sbenjsc /* 1949173362Sbenjsc * Update rate control statistics for the node. 1950173362Sbenjsc */ 1951278366Sadrian WPI_UNLOCK(sc); 1952278366Sadrian if ((status & 0xff) != 1) { 1953271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1954278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1955278764Sadrian IEEE80211_RATECTL_TX_FAILURE, &ackfailcnt, NULL); 1956278366Sadrian } else { 1957271849Sglebius if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1958278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1959278764Sadrian IEEE80211_RATECTL_TX_SUCCESS, &ackfailcnt, NULL); 1960278366Sadrian } 1961173362Sbenjsc 1962278366Sadrian ieee80211_tx_complete(ni, m, (status & 0xff) != 1); 1963278366Sadrian WPI_LOCK(sc); 1964173362Sbenjsc 1965278366Sadrian sc->sc_tx_timer = 0; 1966278366Sadrian if (--ring->queued < WPI_TX_RING_LOMARK) { 1967278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1968278366Sadrian if (sc->qfullmsk == 0 && 1969278366Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) { 1970278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1971280078Sadrian ieee80211_runtask(ic, &sc->sc_start_task); 1972278366Sadrian } 1973278366Sadrian } 1974173362Sbenjsc 1975278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1976173362Sbenjsc} 1977173362Sbenjsc 1978278366Sadrian/* 1979278366Sadrian * Process a "command done" firmware notification. This is where we wakeup 1980278366Sadrian * processes waiting for a synchronous command completion. 1981278366Sadrian */ 1982173362Sbenjscstatic void 1983278366Sadrianwpi_cmd_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1984173362Sbenjsc{ 1985280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 1986173362Sbenjsc struct wpi_tx_data *data; 1987173362Sbenjsc 1988278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "cmd notification qid=%x idx=%d flags=%x " 1989278366Sadrian "type=%s len=%d\n", desc->qid, desc->idx, 1990278366Sadrian desc->flags, wpi_cmd_str(desc->type), 1991278366Sadrian le32toh(desc->len)); 1992173362Sbenjsc 1993280064Sadrian if ((desc->qid & WPI_RX_DESC_QID_MSK) != WPI_CMD_QUEUE_NUM) 1994278366Sadrian return; /* Not a command ack. */ 1995173362Sbenjsc 1996280075Sadrian KASSERT(ring->queued == 0, ("ring->queued must be 0")); 1997280075Sadrian 1998173362Sbenjsc data = &ring->data[desc->idx]; 1999173362Sbenjsc 2000278366Sadrian /* If the command was mapped in an mbuf, free it. */ 2001173362Sbenjsc if (data->m != NULL) { 2002278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 2003278366Sadrian BUS_DMASYNC_POSTWRITE); 2004173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 2005173362Sbenjsc m_freem(data->m); 2006173362Sbenjsc data->m = NULL; 2007173362Sbenjsc } 2008173362Sbenjsc 2009173362Sbenjsc wakeup(&ring->cmd[desc->idx]); 2010173362Sbenjsc} 2011173362Sbenjsc 2012173362Sbenjscstatic void 2013173362Sbenjscwpi_notif_intr(struct wpi_softc *sc) 2014173362Sbenjsc{ 2015178354Ssam struct ifnet *ifp = sc->sc_ifp; 2016178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2017278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2018278366Sadrian int hw; 2019173362Sbenjsc 2020216523Sbschmidt bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 2021216523Sbschmidt BUS_DMASYNC_POSTREAD); 2022216523Sbschmidt 2023173362Sbenjsc hw = le32toh(sc->shared->next); 2024278366Sadrian hw = (hw == 0) ? WPI_RX_RING_COUNT - 1 : hw - 1; 2025216523Sbschmidt 2026278764Sadrian while (sc->rxq.cur != hw) { 2027278366Sadrian sc->rxq.cur = (sc->rxq.cur + 1) % WPI_RX_RING_COUNT; 2028278366Sadrian 2029278366Sadrian struct wpi_rx_data *data = &sc->rxq.data[sc->rxq.cur]; 2030278366Sadrian struct wpi_rx_desc *desc; 2031278366Sadrian 2032216523Sbschmidt bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2033216523Sbschmidt BUS_DMASYNC_POSTREAD); 2034278366Sadrian desc = mtod(data->m, struct wpi_rx_desc *); 2035173362Sbenjsc 2036278366Sadrian DPRINTF(sc, WPI_DEBUG_NOTIFY, 2037278366Sadrian "%s: cur=%d; qid %x idx %d flags %x type %d(%s) len %d\n", 2038278366Sadrian __func__, sc->rxq.cur, desc->qid, desc->idx, desc->flags, 2039278366Sadrian desc->type, wpi_cmd_str(desc->type), le32toh(desc->len)); 2040173362Sbenjsc 2041280064Sadrian if (!(desc->qid & WPI_UNSOLICITED_RX_NOTIF)) { 2042280064Sadrian /* Reply to a command. */ 2043278366Sadrian wpi_cmd_done(sc, desc); 2044280064Sadrian } 2045173362Sbenjsc 2046173362Sbenjsc switch (desc->type) { 2047173362Sbenjsc case WPI_RX_DONE: 2048278366Sadrian /* An 802.11 frame has been received. */ 2049278366Sadrian wpi_rx_done(sc, desc, data); 2050280055Sadrian 2051280055Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2052280055Sadrian /* wpi_stop() was called. */ 2053280055Sadrian return; 2054280055Sadrian } 2055280055Sadrian 2056173362Sbenjsc break; 2057173362Sbenjsc 2058173362Sbenjsc case WPI_TX_DONE: 2059278366Sadrian /* An 802.11 frame has been transmitted. */ 2060278366Sadrian wpi_tx_done(sc, desc); 2061173362Sbenjsc break; 2062173362Sbenjsc 2063278366Sadrian case WPI_RX_STATISTICS: 2064278366Sadrian case WPI_BEACON_STATISTICS: 2065278366Sadrian wpi_rx_statistics(sc, desc, data); 2066278366Sadrian break; 2067278366Sadrian 2068278366Sadrian case WPI_BEACON_MISSED: 2069278366Sadrian { 2070278366Sadrian struct wpi_beacon_missed *miss = 2071278366Sadrian (struct wpi_beacon_missed *)(desc + 1); 2072278366Sadrian int misses; 2073278366Sadrian 2074278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2075278366Sadrian BUS_DMASYNC_POSTREAD); 2076278366Sadrian misses = le32toh(miss->consecutive); 2077278366Sadrian 2078278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, 2079278366Sadrian "%s: beacons missed %d/%d\n", __func__, misses, 2080278366Sadrian le32toh(miss->total)); 2081278366Sadrian 2082278366Sadrian if (vap->iv_state == IEEE80211_S_RUN && 2083280051Sadrian (ic->ic_flags & IEEE80211_F_SCAN) == 0) { 2084278366Sadrian if (misses >= vap->iv_bmissthreshold) { 2085278366Sadrian WPI_UNLOCK(sc); 2086278366Sadrian ieee80211_beacon_miss(ic); 2087278366Sadrian WPI_LOCK(sc); 2088278366Sadrian } 2089278366Sadrian } 2090278366Sadrian break; 2091278366Sadrian } 2092173362Sbenjsc case WPI_UC_READY: 2093173362Sbenjsc { 2094173362Sbenjsc struct wpi_ucode_info *uc = 2095278366Sadrian (struct wpi_ucode_info *)(desc + 1); 2096173362Sbenjsc 2097278366Sadrian /* The microcontroller is ready. */ 2098278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2099278366Sadrian BUS_DMASYNC_POSTREAD); 2100278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, 2101278366Sadrian "microcode alive notification version=%d.%d " 2102278366Sadrian "subtype=%x alive=%x\n", uc->major, uc->minor, 2103278366Sadrian uc->subtype, le32toh(uc->valid)); 2104173362Sbenjsc 2105173362Sbenjsc if (le32toh(uc->valid) != 1) { 2106173362Sbenjsc device_printf(sc->sc_dev, 2107173362Sbenjsc "microcontroller initialization failed\n"); 2108173362Sbenjsc wpi_stop_locked(sc); 2109173362Sbenjsc } 2110278366Sadrian /* Save the address of the error log in SRAM. */ 2111278366Sadrian sc->errptr = le32toh(uc->errptr); 2112173362Sbenjsc break; 2113173362Sbenjsc } 2114173362Sbenjsc case WPI_STATE_CHANGED: 2115173362Sbenjsc { 2116280059Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2117280059Sadrian BUS_DMASYNC_POSTREAD); 2118278366Sadrian 2119173362Sbenjsc uint32_t *status = (uint32_t *)(desc + 1); 2120278764Sadrian 2121278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "state changed to %x\n", 2122278366Sadrian le32toh(*status)); 2123278764Sadrian 2124173362Sbenjsc if (le32toh(*status) & 1) { 2125280077Sadrian WPI_NT_LOCK(sc); 2126280069Sadrian wpi_clear_node_table(sc); 2127280077Sadrian WPI_NT_UNLOCK(sc); 2128278366Sadrian ieee80211_runtask(ic, &sc->sc_radiooff_task); 2129278366Sadrian return; 2130173362Sbenjsc } 2131173362Sbenjsc break; 2132173362Sbenjsc } 2133173362Sbenjsc case WPI_START_SCAN: 2134173362Sbenjsc { 2135278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2136278366Sadrian BUS_DMASYNC_POSTREAD); 2137179957Sthompsa#ifdef WPI_DEBUG 2138173362Sbenjsc struct wpi_start_scan *scan = 2139278366Sadrian (struct wpi_start_scan *)(desc + 1); 2140278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2141278366Sadrian "%s: scanning channel %d status %x\n", 2142278366Sadrian __func__, scan->chan, le32toh(scan->status)); 2143179957Sthompsa#endif 2144173362Sbenjsc break; 2145173362Sbenjsc } 2146173362Sbenjsc case WPI_STOP_SCAN: 2147173362Sbenjsc { 2148278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2149278366Sadrian BUS_DMASYNC_POSTREAD); 2150179957Sthompsa#ifdef WPI_DEBUG 2151173362Sbenjsc struct wpi_stop_scan *scan = 2152278366Sadrian (struct wpi_stop_scan *)(desc + 1); 2153278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2154278366Sadrian "scan finished nchan=%d status=%d chan=%d\n", 2155278366Sadrian scan->nchan, scan->status, scan->chan); 2156179957Sthompsa#endif 2157177043Sthompsa sc->sc_scan_timer = 0; 2158278366Sadrian WPI_UNLOCK(sc); 2159178354Ssam ieee80211_scan_next(vap); 2160278366Sadrian WPI_LOCK(sc); 2161173362Sbenjsc break; 2162173362Sbenjsc } 2163278366Sadrian } 2164278764Sadrian } 2165173976Sbenjsc 2166278366Sadrian /* Tell the firmware what we have processed. */ 2167278366Sadrian wpi_update_rx_ring(sc); 2168278366Sadrian} 2169278366Sadrian 2170278366Sadrian/* 2171278366Sadrian * Process an INT_WAKEUP interrupt raised when the microcontroller wakes up 2172278366Sadrian * from power-down sleep mode. 2173278366Sadrian */ 2174280059Sadrianstatic void 2175278366Sadrianwpi_wakeup_intr(struct wpi_softc *sc) 2176278366Sadrian{ 2177278366Sadrian int qid; 2178278366Sadrian 2179278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 2180278366Sadrian "%s: ucode wakeup from power-down sleep\n", __func__); 2181278366Sadrian 2182278366Sadrian /* Wakeup RX and TX rings. */ 2183278366Sadrian if (sc->rxq.update) { 2184278764Sadrian sc->rxq.update = 0; 2185278366Sadrian wpi_update_rx_ring(sc); 2186278366Sadrian } 2187280071Sadrian WPI_TXQ_LOCK(sc); 2188280058Sadrian for (qid = 0; qid < WPI_DRV_NTXQUEUES; qid++) { 2189278366Sadrian struct wpi_tx_ring *ring = &sc->txq[qid]; 2190278366Sadrian 2191278366Sadrian if (ring->update) { 2192278764Sadrian ring->update = 0; 2193278366Sadrian wpi_update_tx_ring(sc, ring); 2194173362Sbenjsc } 2195278366Sadrian } 2196280071Sadrian WPI_TXQ_UNLOCK(sc); 2197173362Sbenjsc 2198278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 2199278366Sadrian} 2200278366Sadrian 2201278366Sadrian/* 2202278366Sadrian * Dump the error log of the firmware when a firmware panic occurs. Although 2203278366Sadrian * we can't debug the firmware because it is neither open source nor free, it 2204278366Sadrian * can help us to identify certain classes of problems. 2205278366Sadrian */ 2206278366Sadrianstatic void 2207278366Sadrianwpi_fatal_intr(struct wpi_softc *sc) 2208278366Sadrian{ 2209278366Sadrian struct wpi_fw_dump dump; 2210278366Sadrian uint32_t i, offset, count; 2211278366Sadrian const uint32_t size_errmsg = 2212278366Sadrian (sizeof (wpi_fw_errmsg) / sizeof ((wpi_fw_errmsg)[0])); 2213278366Sadrian 2214278366Sadrian /* Check that the error log address is valid. */ 2215278366Sadrian if (sc->errptr < WPI_FW_DATA_BASE || 2216278366Sadrian sc->errptr + sizeof (dump) > 2217278366Sadrian WPI_FW_DATA_BASE + WPI_FW_DATA_MAXSZ) { 2218278366Sadrian printf("%s: bad firmware error log address 0x%08x\n", __func__, 2219278366Sadrian sc->errptr); 2220280059Sadrian return; 2221280059Sadrian } 2222278366Sadrian if (wpi_nic_lock(sc) != 0) { 2223278366Sadrian printf("%s: could not read firmware error log\n", __func__); 2224280059Sadrian return; 2225280059Sadrian } 2226278366Sadrian /* Read number of entries in the log. */ 2227278366Sadrian count = wpi_mem_read(sc, sc->errptr); 2228278366Sadrian if (count == 0 || count * sizeof (dump) > WPI_FW_DATA_MAXSZ) { 2229278366Sadrian printf("%s: invalid count field (count = %u)\n", __func__, 2230278366Sadrian count); 2231278366Sadrian wpi_nic_unlock(sc); 2232278366Sadrian return; 2233173362Sbenjsc } 2234278366Sadrian /* Skip "count" field. */ 2235278366Sadrian offset = sc->errptr + sizeof (uint32_t); 2236278366Sadrian printf("firmware error log (count = %u):\n", count); 2237278366Sadrian for (i = 0; i < count; i++) { 2238278366Sadrian wpi_mem_read_region_4(sc, offset, (uint32_t *)&dump, 2239278366Sadrian sizeof (dump) / sizeof (uint32_t)); 2240173362Sbenjsc 2241278366Sadrian printf(" error type = \"%s\" (0x%08X)\n", 2242278366Sadrian (dump.desc < size_errmsg) ? 2243278366Sadrian wpi_fw_errmsg[dump.desc] : "UNKNOWN", 2244278366Sadrian dump.desc); 2245278366Sadrian printf(" error data = 0x%08X\n", 2246278366Sadrian dump.data); 2247278366Sadrian printf(" branch link = 0x%08X%08X\n", 2248278366Sadrian dump.blink[0], dump.blink[1]); 2249278366Sadrian printf(" interrupt link = 0x%08X%08X\n", 2250278366Sadrian dump.ilink[0], dump.ilink[1]); 2251278366Sadrian printf(" time = %u\n", dump.time); 2252278366Sadrian 2253278366Sadrian offset += sizeof (dump); 2254278366Sadrian } 2255278366Sadrian wpi_nic_unlock(sc); 2256278366Sadrian /* Dump driver status (TX and RX rings) while we're here. */ 2257278366Sadrian printf("driver status:\n"); 2258280071Sadrian WPI_TXQ_LOCK(sc); 2259280058Sadrian for (i = 0; i < WPI_DRV_NTXQUEUES; i++) { 2260278366Sadrian struct wpi_tx_ring *ring = &sc->txq[i]; 2261278366Sadrian printf(" tx ring %2d: qid=%-2d cur=%-3d queued=%-3d\n", 2262278366Sadrian i, ring->qid, ring->cur, ring->queued); 2263278366Sadrian } 2264280071Sadrian WPI_TXQ_UNLOCK(sc); 2265278366Sadrian printf(" rx ring: cur=%d\n", sc->rxq.cur); 2266173362Sbenjsc} 2267173362Sbenjsc 2268173362Sbenjscstatic void 2269173362Sbenjscwpi_intr(void *arg) 2270173362Sbenjsc{ 2271173362Sbenjsc struct wpi_softc *sc = arg; 2272278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2273278366Sadrian uint32_t r1, r2; 2274173362Sbenjsc 2275173362Sbenjsc WPI_LOCK(sc); 2276173362Sbenjsc 2277278366Sadrian /* Disable interrupts. */ 2278278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 2279278366Sadrian 2280278366Sadrian r1 = WPI_READ(sc, WPI_INT); 2281278366Sadrian 2282280065Sadrian if (r1 == 0xffffffff || (r1 & 0xfffffff0) == 0xa5a5a5a0) 2283280065Sadrian goto end; /* Hardware gone! */ 2284173362Sbenjsc 2285278366Sadrian r2 = WPI_READ(sc, WPI_FH_INT); 2286173362Sbenjsc 2287278366Sadrian DPRINTF(sc, WPI_DEBUG_INTR, "%s: reg1=0x%08x reg2=0x%08x\n", __func__, 2288278366Sadrian r1, r2); 2289278366Sadrian 2290278366Sadrian if (r1 == 0 && r2 == 0) 2291278366Sadrian goto done; /* Interrupt not for us. */ 2292278366Sadrian 2293278366Sadrian /* Acknowledge interrupts. */ 2294278366Sadrian WPI_WRITE(sc, WPI_INT, r1); 2295278366Sadrian WPI_WRITE(sc, WPI_FH_INT, r2); 2296278366Sadrian 2297278366Sadrian if (r1 & (WPI_INT_SW_ERR | WPI_INT_HW_ERR)) { 2298191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 2299191746Sthompsa 2300173362Sbenjsc device_printf(sc->sc_dev, "fatal firmware error\n"); 2301278366Sadrian wpi_fatal_intr(sc); 2302278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 2303278366Sadrian "(%s)\n", (r1 & WPI_INT_SW_ERR) ? "(Software Error)" : 2304278366Sadrian "(Hardware Error)"); 2305278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2306280065Sadrian goto end; 2307173362Sbenjsc } 2308173362Sbenjsc 2309278366Sadrian if ((r1 & (WPI_INT_FH_RX | WPI_INT_SW_RX)) || 2310278366Sadrian (r2 & WPI_FH_INT_RX)) 2311173362Sbenjsc wpi_notif_intr(sc); 2312173362Sbenjsc 2313278366Sadrian if (r1 & WPI_INT_ALIVE) 2314278366Sadrian wakeup(sc); /* Firmware is alive. */ 2315173362Sbenjsc 2316278366Sadrian if (r1 & WPI_INT_WAKEUP) 2317278366Sadrian wpi_wakeup_intr(sc); 2318173362Sbenjsc 2319278366Sadriandone: 2320278366Sadrian /* Re-enable interrupts. */ 2321278366Sadrian if (ifp->if_flags & IFF_UP) 2322278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 2323278366Sadrian 2324280065Sadrianend: WPI_UNLOCK(sc); 2325173362Sbenjsc} 2326173362Sbenjsc 2327278366Sadrianstatic int 2328278366Sadrianwpi_cmd2(struct wpi_softc *sc, struct wpi_buf *buf) 2329173362Sbenjsc{ 2330278366Sadrian struct ieee80211_frame *wh; 2331278366Sadrian struct wpi_tx_cmd *cmd; 2332278366Sadrian struct wpi_tx_data *data; 2333278366Sadrian struct wpi_tx_desc *desc; 2334278366Sadrian struct wpi_tx_ring *ring; 2335278366Sadrian struct mbuf *m1; 2336278366Sadrian bus_dma_segment_t *seg, segs[WPI_MAX_SCATTER]; 2337279763Sadrian int error, i, hdrlen, nsegs, totlen, pad; 2338173362Sbenjsc 2339280071Sadrian WPI_TXQ_LOCK(sc); 2340280071Sadrian 2341280082Sadrian KASSERT(buf->size <= sizeof(buf->data), ("buffer overflow")); 2342280082Sadrian 2343278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2344278366Sadrian 2345280071Sadrian if (sc->txq_active == 0) { 2346280071Sadrian /* wpi_stop() was called */ 2347280071Sadrian error = ENETDOWN; 2348280071Sadrian goto fail; 2349280071Sadrian } 2350280071Sadrian 2351278366Sadrian wh = mtod(buf->m, struct ieee80211_frame *); 2352279763Sadrian hdrlen = ieee80211_anyhdrsize(wh); 2353278366Sadrian totlen = buf->m->m_pkthdr.len; 2354278366Sadrian 2355279763Sadrian if (hdrlen & 3) { 2356279763Sadrian /* First segment length must be a multiple of 4. */ 2357279763Sadrian pad = 4 - (hdrlen & 3); 2358279763Sadrian } else 2359279763Sadrian pad = 0; 2360279763Sadrian 2361278366Sadrian ring = &sc->txq[buf->ac]; 2362278366Sadrian desc = &ring->desc[ring->cur]; 2363278366Sadrian data = &ring->data[ring->cur]; 2364278366Sadrian 2365278366Sadrian /* Prepare TX firmware command. */ 2366278366Sadrian cmd = &ring->cmd[ring->cur]; 2367278366Sadrian cmd->code = buf->code; 2368278366Sadrian cmd->flags = 0; 2369278366Sadrian cmd->qid = ring->qid; 2370278366Sadrian cmd->idx = ring->cur; 2371278366Sadrian 2372278366Sadrian memcpy(cmd->data, buf->data, buf->size); 2373278366Sadrian 2374278366Sadrian /* Save and trim IEEE802.11 header. */ 2375279763Sadrian memcpy((uint8_t *)(cmd->data + buf->size), wh, hdrlen); 2376279763Sadrian m_adj(buf->m, hdrlen); 2377278366Sadrian 2378278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, buf->m, 2379278366Sadrian segs, &nsegs, BUS_DMA_NOWAIT); 2380278366Sadrian if (error != 0 && error != EFBIG) { 2381278366Sadrian device_printf(sc->sc_dev, 2382278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, error); 2383280071Sadrian goto fail; 2384173362Sbenjsc } 2385278366Sadrian if (error != 0) { 2386278366Sadrian /* Too many DMA segments, linearize mbuf. */ 2387280050Sadrian m1 = m_collapse(buf->m, M_NOWAIT, WPI_MAX_SCATTER - 1); 2388278366Sadrian if (m1 == NULL) { 2389278366Sadrian device_printf(sc->sc_dev, 2390278366Sadrian "%s: could not defrag mbuf\n", __func__); 2391280071Sadrian error = ENOBUFS; 2392280071Sadrian goto fail; 2393278366Sadrian } 2394278366Sadrian buf->m = m1; 2395278366Sadrian 2396278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, 2397278366Sadrian buf->m, segs, &nsegs, BUS_DMA_NOWAIT); 2398278366Sadrian if (error != 0) { 2399278366Sadrian device_printf(sc->sc_dev, 2400280066Sadrian "%s: can't map mbuf (error %d)\n", __func__, 2401280066Sadrian error); 2402280071Sadrian goto fail; 2403278366Sadrian } 2404278366Sadrian } 2405278366Sadrian 2406280050Sadrian KASSERT(nsegs < WPI_MAX_SCATTER, 2407280050Sadrian ("too many DMA segments, nsegs (%d) should be less than %d", 2408280050Sadrian nsegs, WPI_MAX_SCATTER)); 2409280050Sadrian 2410278366Sadrian data->m = buf->m; 2411278366Sadrian data->ni = buf->ni; 2412278366Sadrian 2413278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: qid %d idx %d len %d nsegs %d\n", 2414278366Sadrian __func__, ring->qid, ring->cur, totlen, nsegs); 2415278366Sadrian 2416278366Sadrian /* Fill TX descriptor. */ 2417279763Sadrian desc->nsegs = WPI_PAD32(totlen + pad) << 4 | (1 + nsegs); 2418278366Sadrian /* First DMA segment is used by the TX command. */ 2419278366Sadrian desc->segs[0].addr = htole32(data->cmd_paddr); 2420279763Sadrian desc->segs[0].len = htole32(4 + buf->size + hdrlen + pad); 2421278366Sadrian /* Other DMA segments are for data payload. */ 2422278366Sadrian seg = &segs[0]; 2423278366Sadrian for (i = 1; i <= nsegs; i++) { 2424278366Sadrian desc->segs[i].addr = htole32(seg->ds_addr); 2425278366Sadrian desc->segs[i].len = htole32(seg->ds_len); 2426278366Sadrian seg++; 2427278366Sadrian } 2428278366Sadrian 2429278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); 2430278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2431278366Sadrian BUS_DMASYNC_PREWRITE); 2432278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2433278366Sadrian BUS_DMASYNC_PREWRITE); 2434278366Sadrian 2435278366Sadrian /* Kick TX ring. */ 2436278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2437278366Sadrian wpi_update_tx_ring(sc, ring); 2438278366Sadrian 2439280075Sadrian if (ring->qid < WPI_CMD_QUEUE_NUM) { 2440280075Sadrian /* Mark TX ring as full if we reach a certain threshold. */ 2441280075Sadrian if (++ring->queued > WPI_TX_RING_HIMARK) 2442280075Sadrian sc->qfullmsk |= 1 << ring->qid; 2443278366Sadrian 2444280074Sadrian sc->sc_tx_timer = 5; 2445280075Sadrian } 2446280074Sadrian 2447278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2448278366Sadrian 2449280071Sadrian WPI_TXQ_UNLOCK(sc); 2450280071Sadrian 2451278366Sadrian return 0; 2452280071Sadrian 2453280071Sadrianfail: m_freem(buf->m); 2454280071Sadrian 2455280071Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2456280071Sadrian 2457280071Sadrian WPI_TXQ_UNLOCK(sc); 2458280071Sadrian 2459280071Sadrian return error; 2460173362Sbenjsc} 2461173362Sbenjsc 2462173362Sbenjsc/* 2463278366Sadrian * Construct the data packet for a transmit buffer. 2464173362Sbenjsc */ 2465173362Sbenjscstatic int 2466278366Sadrianwpi_tx_data(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2467173362Sbenjsc{ 2468278366Sadrian const struct ieee80211_txparam *tp; 2469178354Ssam struct ieee80211vap *vap = ni->ni_vap; 2470278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2471280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 2472278366Sadrian struct ieee80211_channel *chan; 2473173362Sbenjsc struct ieee80211_frame *wh; 2474278366Sadrian struct ieee80211_key *k = NULL; 2475278366Sadrian struct wpi_buf tx_data; 2476280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2477278366Sadrian uint32_t flags; 2478278366Sadrian uint16_t qos; 2479278366Sadrian uint8_t tid, type; 2480280068Sadrian int ac, error, swcrypt, rate, ismcast, totlen; 2481173362Sbenjsc 2482278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2483278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2484278366Sadrian ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 2485173362Sbenjsc 2486278366Sadrian /* Select EDCA Access Category and TX ring for this frame. */ 2487278366Sadrian if (IEEE80211_QOS_HAS_SEQ(wh)) { 2488278366Sadrian qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 2489278366Sadrian tid = qos & IEEE80211_QOS_TID; 2490278366Sadrian } else { 2491278366Sadrian qos = 0; 2492278366Sadrian tid = 0; 2493280059Sadrian } 2494278366Sadrian ac = M_WME_GETAC(m); 2495173362Sbenjsc 2496278366Sadrian chan = (ni->ni_chan != IEEE80211_CHAN_ANYC) ? 2497278366Sadrian ni->ni_chan : ic->ic_curchan; 2498278366Sadrian tp = &vap->iv_txparms[ieee80211_chan2mode(chan)]; 2499173362Sbenjsc 2500278366Sadrian /* Choose a TX rate index. */ 2501278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) 2502278366Sadrian rate = tp->mgmtrate; 2503278366Sadrian else if (ismcast) 2504278366Sadrian rate = tp->mcastrate; 2505278366Sadrian else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2506278366Sadrian rate = tp->ucastrate; 2507278366Sadrian else if (m->m_flags & M_EAPOL) 2508278366Sadrian rate = tp->mgmtrate; 2509278366Sadrian else { 2510278366Sadrian /* XXX pass pktlen */ 2511278366Sadrian (void) ieee80211_ratectl_rate(ni, NULL, 0); 2512278366Sadrian rate = ni->ni_txrate; 2513278366Sadrian } 2514278366Sadrian 2515278366Sadrian /* Encrypt the frame if need be. */ 2516260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2517278366Sadrian /* Retrieve key for TX. */ 2518278366Sadrian k = ieee80211_crypto_encap(ni, m); 2519177043Sthompsa if (k == NULL) { 2520278366Sadrian error = ENOBUFS; 2521278366Sadrian goto fail; 2522173362Sbenjsc } 2523280068Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2524280068Sadrian 2525278366Sadrian /* 802.11 header may have moved. */ 2526278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2527173362Sbenjsc } 2528279763Sadrian totlen = m->m_pkthdr.len; 2529173362Sbenjsc 2530278366Sadrian if (ieee80211_radiotap_active_vap(vap)) { 2531278366Sadrian struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2532173362Sbenjsc 2533279763Sadrian tap->wt_flags = 0; 2534278366Sadrian tap->wt_rate = rate; 2535278366Sadrian if (k != NULL) 2536278366Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2537173362Sbenjsc 2538278366Sadrian ieee80211_radiotap_tx(vap, m); 2539278366Sadrian } 2540278366Sadrian 2541278366Sadrian flags = 0; 2542177119Ssam if (!ismcast) { 2543278366Sadrian /* Unicast frame, check if an ACK is expected. */ 2544278366Sadrian if (!qos || (qos & IEEE80211_QOS_ACKPOLICY) != 2545278366Sadrian IEEE80211_QOS_ACKPOLICY_NOACK) 2546278366Sadrian flags |= WPI_TX_NEED_ACK; 2547278366Sadrian } 2548278366Sadrian 2549278764Sadrian if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) 2550278764Sadrian flags |= WPI_TX_MORE_FRAG; /* Cannot happen yet. */ 2551278764Sadrian 2552278366Sadrian /* Check if frame must be protected using RTS/CTS or CTS-to-self. */ 2553278366Sadrian if (!ismcast) { 2554278366Sadrian /* NB: Group frames are sent using CCK in 802.11b/g. */ 2555278366Sadrian if (totlen + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) { 2556278366Sadrian flags |= WPI_TX_NEED_RTS; 2557278366Sadrian } else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2558278366Sadrian WPI_RATE_IS_OFDM(rate)) { 2559278366Sadrian if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2560278366Sadrian flags |= WPI_TX_NEED_CTS; 2561278366Sadrian else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2562278366Sadrian flags |= WPI_TX_NEED_RTS; 2563177043Sthompsa } 2564278366Sadrian 2565278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2566278366Sadrian flags |= WPI_TX_FULL_TXOP; 2567173362Sbenjsc } 2568278366Sadrian 2569280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2570278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2571173362Sbenjsc uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2572278366Sadrian 2573278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2574173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2575278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2576173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2577177043Sthompsa subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2578280082Sadrian tx->timeout = htole16(3); 2579173362Sbenjsc else 2580280082Sadrian tx->timeout = htole16(2); 2581177043Sthompsa } 2582173362Sbenjsc 2583278366Sadrian if (ismcast || type != IEEE80211_FC0_TYPE_DATA) 2584280082Sadrian tx->id = WPI_ID_BROADCAST; 2585278366Sadrian else { 2586278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 2587278366Sadrian device_printf(sc->sc_dev, 2588278366Sadrian "%s: undefined node id\n", __func__); 2589278366Sadrian error = EINVAL; 2590278366Sadrian goto fail; 2591278366Sadrian } 2592278366Sadrian 2593280082Sadrian tx->id = wn->id; 2594278366Sadrian } 2595278366Sadrian 2596278366Sadrian if (type != IEEE80211_FC0_TYPE_MGT) 2597280082Sadrian tx->data_ntries = tp->maxretry; 2598278366Sadrian 2599280068Sadrian if (k != NULL && !swcrypt) { 2600280068Sadrian switch (k->wk_cipher->ic_cipher) { 2601280068Sadrian case IEEE80211_CIPHER_AES_CCM: 2602280082Sadrian tx->security = WPI_CIPHER_CCMP; 2603280068Sadrian break; 2604280068Sadrian 2605280068Sadrian default: 2606280068Sadrian break; 2607280068Sadrian } 2608280068Sadrian 2609280082Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 2610280068Sadrian } 2611280068Sadrian 2612280082Sadrian tx->len = htole16(totlen); 2613280082Sadrian tx->flags = htole32(flags); 2614280082Sadrian tx->plcp = rate2plcp(rate); 2615280082Sadrian tx->tid = tid; 2616280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 2617280082Sadrian tx->ofdm_mask = 0xff; 2618280082Sadrian tx->cck_mask = 0x0f; 2619280082Sadrian tx->rts_ntries = 7; 2620278366Sadrian 2621278366Sadrian tx_data.ni = ni; 2622278366Sadrian tx_data.m = m; 2623280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 2624278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2625278366Sadrian tx_data.ac = ac; 2626278366Sadrian 2627278366Sadrian return wpi_cmd2(sc, &tx_data); 2628278366Sadrian 2629278366Sadrianfail: m_freem(m); 2630278366Sadrian return error; 2631278366Sadrian} 2632278366Sadrian 2633278366Sadrianstatic int 2634280066Sadrianwpi_tx_data_raw(struct wpi_softc *sc, struct mbuf *m, 2635280066Sadrian struct ieee80211_node *ni, const struct ieee80211_bpf_params *params) 2636278366Sadrian{ 2637278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 2638280087Sadrian struct ieee80211_key *k = NULL; 2639278366Sadrian struct ieee80211_frame *wh; 2640278366Sadrian struct wpi_buf tx_data; 2641280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2642278366Sadrian uint32_t flags; 2643278366Sadrian uint8_t type; 2644280087Sadrian int ac, rate, swcrypt, totlen; 2645278366Sadrian 2646278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2647278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2648278366Sadrian 2649278366Sadrian ac = params->ibp_pri & 3; 2650278366Sadrian 2651278366Sadrian /* Choose a TX rate index. */ 2652278366Sadrian rate = params->ibp_rate0; 2653278366Sadrian 2654278366Sadrian flags = 0; 2655278366Sadrian if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2656278366Sadrian flags |= WPI_TX_NEED_ACK; 2657278366Sadrian if (params->ibp_flags & IEEE80211_BPF_RTS) 2658278366Sadrian flags |= WPI_TX_NEED_RTS; 2659278366Sadrian if (params->ibp_flags & IEEE80211_BPF_CTS) 2660278366Sadrian flags |= WPI_TX_NEED_CTS; 2661278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2662278366Sadrian flags |= WPI_TX_FULL_TXOP; 2663278366Sadrian 2664280087Sadrian /* Encrypt the frame if need be. */ 2665280087Sadrian if (params->ibp_flags & IEEE80211_BPF_CRYPTO) { 2666280087Sadrian /* Retrieve key for TX. */ 2667280087Sadrian k = ieee80211_crypto_encap(ni, m); 2668280087Sadrian if (k == NULL) { 2669280087Sadrian m_freem(m); 2670280087Sadrian return ENOBUFS; 2671280087Sadrian } 2672280087Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2673280087Sadrian 2674280087Sadrian /* 802.11 header may have moved. */ 2675280087Sadrian wh = mtod(m, struct ieee80211_frame *); 2676280087Sadrian } 2677280087Sadrian totlen = m->m_pkthdr.len; 2678280087Sadrian 2679192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2680177043Sthompsa struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2681278366Sadrian 2682177043Sthompsa tap->wt_flags = 0; 2683177043Sthompsa tap->wt_rate = rate; 2684280087Sadrian if (params->ibp_flags & IEEE80211_BPF_CRYPTO) 2685280087Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2686178354Ssam 2687278366Sadrian ieee80211_radiotap_tx(vap, m); 2688177043Sthompsa } 2689173362Sbenjsc 2690280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2691278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2692278366Sadrian uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2693173362Sbenjsc 2694278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2695278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2696278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2697278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2698278366Sadrian subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2699280082Sadrian tx->timeout = htole16(3); 2700278366Sadrian else 2701280082Sadrian tx->timeout = htole16(2); 2702173362Sbenjsc } 2703173362Sbenjsc 2704280087Sadrian if (k != NULL && !swcrypt) { 2705280087Sadrian switch (k->wk_cipher->ic_cipher) { 2706280087Sadrian case IEEE80211_CIPHER_AES_CCM: 2707280087Sadrian tx->security = WPI_CIPHER_CCMP; 2708280087Sadrian break; 2709280087Sadrian 2710280087Sadrian default: 2711280087Sadrian break; 2712280087Sadrian } 2713280087Sadrian 2714280087Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 2715280087Sadrian } 2716280087Sadrian 2717280082Sadrian tx->len = htole16(totlen); 2718280082Sadrian tx->flags = htole32(flags); 2719280082Sadrian tx->plcp = rate2plcp(rate); 2720280082Sadrian tx->id = WPI_ID_BROADCAST; 2721280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 2722280082Sadrian tx->rts_ntries = params->ibp_try1; 2723280082Sadrian tx->data_ntries = params->ibp_try0; 2724278366Sadrian 2725278366Sadrian tx_data.ni = ni; 2726278366Sadrian tx_data.m = m; 2727280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 2728278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2729278366Sadrian tx_data.ac = ac; 2730278366Sadrian 2731278366Sadrian return wpi_cmd2(sc, &tx_data); 2732278366Sadrian} 2733278366Sadrian 2734278366Sadrianstatic int 2735278366Sadrianwpi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2736278366Sadrian const struct ieee80211_bpf_params *params) 2737278366Sadrian{ 2738278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2739278366Sadrian struct ifnet *ifp = ic->ic_ifp; 2740278366Sadrian struct wpi_softc *sc = ifp->if_softc; 2741278366Sadrian int error = 0; 2742278366Sadrian 2743278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2744278366Sadrian 2745278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2746278366Sadrian ieee80211_free_node(ni); 2747278366Sadrian m_freem(m); 2748278366Sadrian return ENETDOWN; 2749173362Sbenjsc } 2750173362Sbenjsc 2751278366Sadrian WPI_LOCK(sc); 2752278366Sadrian if (params == NULL) { 2753278366Sadrian /* 2754278366Sadrian * Legacy path; interpret frame contents to decide 2755278366Sadrian * precisely how to send the frame. 2756278366Sadrian */ 2757278366Sadrian error = wpi_tx_data(sc, m, ni); 2758278366Sadrian } else { 2759278366Sadrian /* 2760278366Sadrian * Caller supplied explicit parameters to use in 2761278366Sadrian * sending the frame. 2762278366Sadrian */ 2763278366Sadrian error = wpi_tx_data_raw(sc, m, ni, params); 2764278366Sadrian } 2765278366Sadrian WPI_UNLOCK(sc); 2766173362Sbenjsc 2767278366Sadrian if (error != 0) { 2768278366Sadrian /* NB: m is reclaimed on tx failure */ 2769278366Sadrian ieee80211_free_node(ni); 2770278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2771173362Sbenjsc 2772278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2773278366Sadrian 2774278366Sadrian return error; 2775173362Sbenjsc } 2776173362Sbenjsc 2777278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2778173362Sbenjsc 2779173362Sbenjsc return 0; 2780173362Sbenjsc} 2781173362Sbenjsc 2782173362Sbenjsc/** 2783173362Sbenjsc * Process data waiting to be sent on the IFNET output queue 2784173362Sbenjsc */ 2785173362Sbenjscstatic void 2786173362Sbenjscwpi_start(struct ifnet *ifp) 2787173362Sbenjsc{ 2788173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2789178354Ssam 2790178354Ssam WPI_LOCK(sc); 2791178354Ssam wpi_start_locked(ifp); 2792178354Ssam WPI_UNLOCK(sc); 2793178354Ssam} 2794178354Ssam 2795178354Ssamstatic void 2796178354Ssamwpi_start_locked(struct ifnet *ifp) 2797178354Ssam{ 2798178354Ssam struct wpi_softc *sc = ifp->if_softc; 2799173362Sbenjsc struct ieee80211_node *ni; 2800178354Ssam struct mbuf *m; 2801173362Sbenjsc 2802178354Ssam WPI_LOCK_ASSERT(sc); 2803178354Ssam 2804278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: called\n", __func__); 2805278366Sadrian 2806278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 || 2807278366Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) 2808177043Sthompsa return; 2809173362Sbenjsc 2810173362Sbenjsc for (;;) { 2811278366Sadrian if (sc->qfullmsk != 0) { 2812278366Sadrian ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2813278366Sadrian break; 2814278366Sadrian } 2815190458Sjmallett IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2816178354Ssam if (m == NULL) 2817178354Ssam break; 2818278366Sadrian ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2819278366Sadrian if (wpi_tx_data(sc, m, ni) != 0) { 2820278366Sadrian WPI_UNLOCK(sc); 2821178354Ssam ieee80211_free_node(ni); 2822278366Sadrian WPI_LOCK(sc); 2823271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2824280074Sadrian } 2825178354Ssam } 2826278366Sadrian 2827278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: done\n", __func__); 2828178354Ssam} 2829173362Sbenjsc 2830278366Sadrianstatic void 2831280078Sadrianwpi_start_task(void *arg0, int pending) 2832280078Sadrian{ 2833280078Sadrian struct wpi_softc *sc = arg0; 2834280078Sadrian struct ifnet *ifp = sc->sc_ifp; 2835280078Sadrian 2836280078Sadrian wpi_start(ifp); 2837280078Sadrian} 2838280078Sadrian 2839280078Sadrianstatic void 2840278366Sadrianwpi_watchdog_rfkill(void *arg) 2841178354Ssam{ 2842278366Sadrian struct wpi_softc *sc = arg; 2843278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2844278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2845173362Sbenjsc 2846278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "RFkill Watchdog: tick\n"); 2847278366Sadrian 2848278366Sadrian /* No need to lock firmware memory. */ 2849278366Sadrian if ((wpi_prph_read(sc, WPI_APMG_RFKILL) & 0x1) == 0) { 2850278366Sadrian /* Radio kill switch is still off. */ 2851278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 2852278366Sadrian sc); 2853278366Sadrian } else 2854278366Sadrian ieee80211_runtask(ic, &sc->sc_radioon_task); 2855278366Sadrian} 2856278366Sadrian 2857278366Sadrian/** 2858278366Sadrian * Called every second, wpi_watchdog used by the watch dog timer 2859278366Sadrian * to check that the card is still alive 2860278366Sadrian */ 2861278366Sadrianstatic void 2862278366Sadrianwpi_watchdog(void *arg) 2863278366Sadrian{ 2864278366Sadrian struct wpi_softc *sc = arg; 2865278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2866278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2867278366Sadrian 2868278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "Watchdog: tick\n"); 2869278366Sadrian 2870278366Sadrian if (sc->sc_tx_timer > 0) { 2871278366Sadrian if (--sc->sc_tx_timer == 0) { 2872278366Sadrian if_printf(ifp, "device timeout\n"); 2873278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2874278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2875278366Sadrian } 2876178354Ssam } 2877173362Sbenjsc 2878278366Sadrian if (sc->sc_scan_timer > 0) { 2879278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2880278366Sadrian if (--sc->sc_scan_timer == 0 && vap != NULL) { 2881278366Sadrian if_printf(ifp, "scan timeout\n"); 2882278366Sadrian ieee80211_cancel_scan(vap); 2883278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2884278366Sadrian } 2885178354Ssam } 2886173362Sbenjsc 2887278366Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2888278366Sadrian callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 2889173362Sbenjsc} 2890173362Sbenjsc 2891173362Sbenjscstatic int 2892173362Sbenjscwpi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 2893173362Sbenjsc{ 2894173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2895178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2896278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2897178354Ssam struct ifreq *ifr = (struct ifreq *) data; 2898278366Sadrian int error = 0, startall = 0, stop = 0; 2899173362Sbenjsc 2900173362Sbenjsc switch (cmd) { 2901278366Sadrian case SIOCGIFADDR: 2902278366Sadrian error = ether_ioctl(ifp, cmd, data); 2903278366Sadrian break; 2904173362Sbenjsc case SIOCSIFFLAGS: 2905178704Sthompsa WPI_LOCK(sc); 2906278366Sadrian if (ifp->if_flags & IFF_UP) { 2907178354Ssam if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2908278366Sadrian wpi_init_locked(sc); 2909278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & 2910278366Sadrian WPI_GP_CNTRL_RFKILL) 2911278366Sadrian startall = 1; 2912278366Sadrian else 2913278366Sadrian stop = 1; 2914178354Ssam } 2915278366Sadrian } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2916173362Sbenjsc wpi_stop_locked(sc); 2917178704Sthompsa WPI_UNLOCK(sc); 2918178704Sthompsa if (startall) 2919178704Sthompsa ieee80211_start_all(ic); 2920278366Sadrian else if (vap != NULL && stop) 2921278366Sadrian ieee80211_stop(vap); 2922173362Sbenjsc break; 2923178354Ssam case SIOCGIFMEDIA: 2924178354Ssam error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2925178354Ssam break; 2926178704Sthompsa default: 2927178704Sthompsa error = EINVAL; 2928178704Sthompsa break; 2929173362Sbenjsc } 2930173362Sbenjsc return error; 2931173362Sbenjsc} 2932173362Sbenjsc 2933173362Sbenjsc/* 2934173362Sbenjsc * Send a command to the firmware. 2935173362Sbenjsc */ 2936173362Sbenjscstatic int 2937278366Sadrianwpi_cmd(struct wpi_softc *sc, int code, const void *buf, size_t size, 2938278366Sadrian int async) 2939173362Sbenjsc{ 2940280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 2941173362Sbenjsc struct wpi_tx_desc *desc; 2942278366Sadrian struct wpi_tx_data *data; 2943173362Sbenjsc struct wpi_tx_cmd *cmd; 2944278366Sadrian struct mbuf *m; 2945278366Sadrian bus_addr_t paddr; 2946278366Sadrian int totlen, error; 2947173362Sbenjsc 2948280071Sadrian WPI_TXQ_LOCK(sc); 2949280071Sadrian 2950278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2951278366Sadrian 2952280071Sadrian if (sc->txq_active == 0) { 2953280071Sadrian /* wpi_stop() was called */ 2954280071Sadrian error = 0; 2955280071Sadrian goto fail; 2956280071Sadrian } 2957280071Sadrian 2958278366Sadrian if (async == 0) 2959173362Sbenjsc WPI_LOCK_ASSERT(sc); 2960173362Sbenjsc 2961278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "wpi_cmd %s size %zu async %d\n", 2962278366Sadrian wpi_cmd_str(code), size, async); 2963173362Sbenjsc 2964173362Sbenjsc desc = &ring->desc[ring->cur]; 2965278366Sadrian data = &ring->data[ring->cur]; 2966278366Sadrian totlen = 4 + size; 2967173362Sbenjsc 2968278366Sadrian if (size > sizeof cmd->data) { 2969278366Sadrian /* Command is too large to fit in a descriptor. */ 2970280071Sadrian if (totlen > MCLBYTES) { 2971280071Sadrian error = EINVAL; 2972280071Sadrian goto fail; 2973280071Sadrian } 2974278366Sadrian m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 2975280071Sadrian if (m == NULL) { 2976280071Sadrian error = ENOMEM; 2977280071Sadrian goto fail; 2978280071Sadrian } 2979278366Sadrian cmd = mtod(m, struct wpi_tx_cmd *); 2980278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, cmd, 2981278366Sadrian totlen, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 2982278366Sadrian if (error != 0) { 2983278366Sadrian m_freem(m); 2984280071Sadrian goto fail; 2985278366Sadrian } 2986278366Sadrian data->m = m; 2987278366Sadrian } else { 2988278366Sadrian cmd = &ring->cmd[ring->cur]; 2989278366Sadrian paddr = data->cmd_paddr; 2990278366Sadrian } 2991278366Sadrian 2992173362Sbenjsc cmd->code = code; 2993173362Sbenjsc cmd->flags = 0; 2994173362Sbenjsc cmd->qid = ring->qid; 2995173362Sbenjsc cmd->idx = ring->cur; 2996173362Sbenjsc memcpy(cmd->data, buf, size); 2997173362Sbenjsc 2998278366Sadrian desc->nsegs = 1 + (WPI_PAD32(size) << 4); 2999278366Sadrian desc->segs[0].addr = htole32(paddr); 3000278366Sadrian desc->segs[0].len = htole32(totlen); 3001173362Sbenjsc 3002278366Sadrian if (size > sizeof cmd->data) { 3003278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 3004278366Sadrian BUS_DMASYNC_PREWRITE); 3005278366Sadrian } else { 3006278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 3007278366Sadrian BUS_DMASYNC_PREWRITE); 3008278366Sadrian } 3009278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 3010278366Sadrian BUS_DMASYNC_PREWRITE); 3011173362Sbenjsc 3012278366Sadrian /* Kick command ring. */ 3013278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 3014278366Sadrian wpi_update_tx_ring(sc, ring); 3015278366Sadrian 3016278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3017278366Sadrian 3018280071Sadrian WPI_TXQ_UNLOCK(sc); 3019280071Sadrian 3020280072Sadrian if (async) 3021173362Sbenjsc return 0; 3022173362Sbenjsc 3023280062Sadrian return mtx_sleep(cmd, &sc->sc_mtx, PCATCH, "wpicmd", hz); 3024280071Sadrian 3025280071Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3026280071Sadrian 3027280071Sadrian WPI_TXQ_UNLOCK(sc); 3028280071Sadrian 3029280071Sadrian return error; 3030173362Sbenjsc} 3031173362Sbenjsc 3032173362Sbenjsc/* 3033278366Sadrian * Configure HW multi-rate retries. 3034173362Sbenjsc */ 3035173362Sbenjscstatic int 3036173362Sbenjscwpi_mrr_setup(struct wpi_softc *sc) 3037173362Sbenjsc{ 3038178354Ssam struct ifnet *ifp = sc->sc_ifp; 3039178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3040173362Sbenjsc struct wpi_mrr_setup mrr; 3041173362Sbenjsc int i, error; 3042173362Sbenjsc 3043278366Sadrian /* CCK rates (not used with 802.11a). */ 3044278366Sadrian for (i = WPI_RIDX_CCK1; i <= WPI_RIDX_CCK11; i++) { 3045173362Sbenjsc mrr.rates[i].flags = 0; 3046278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3047278366Sadrian /* Fallback to the immediate lower CCK rate (if any.) */ 3048278366Sadrian mrr.rates[i].next = 3049278366Sadrian (i == WPI_RIDX_CCK1) ? WPI_RIDX_CCK1 : i - 1; 3050278366Sadrian /* Try one time at this rate before falling back to "next". */ 3051173362Sbenjsc mrr.rates[i].ntries = 1; 3052173362Sbenjsc } 3053278366Sadrian /* OFDM rates (not used with 802.11b). */ 3054278366Sadrian for (i = WPI_RIDX_OFDM6; i <= WPI_RIDX_OFDM54; i++) { 3055173362Sbenjsc mrr.rates[i].flags = 0; 3056278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3057278366Sadrian /* Fallback to the immediate lower rate (if any.) */ 3058278366Sadrian /* We allow fallback from OFDM/6 to CCK/2 in 11b/g mode. */ 3059278366Sadrian mrr.rates[i].next = (i == WPI_RIDX_OFDM6) ? 3060173362Sbenjsc ((ic->ic_curmode == IEEE80211_MODE_11A) ? 3061278366Sadrian WPI_RIDX_OFDM6 : WPI_RIDX_CCK2) : 3062173362Sbenjsc i - 1; 3063278366Sadrian /* Try one time at this rate before falling back to "next". */ 3064173362Sbenjsc mrr.rates[i].ntries = 1; 3065173362Sbenjsc } 3066278366Sadrian /* Setup MRR for control frames. */ 3067278366Sadrian mrr.which = htole32(WPI_MRR_CTL); 3068173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3069173362Sbenjsc if (error != 0) { 3070173362Sbenjsc device_printf(sc->sc_dev, 3071173362Sbenjsc "could not setup MRR for control frames\n"); 3072173362Sbenjsc return error; 3073173362Sbenjsc } 3074278366Sadrian /* Setup MRR for data frames. */ 3075278366Sadrian mrr.which = htole32(WPI_MRR_DATA); 3076173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3077173362Sbenjsc if (error != 0) { 3078173362Sbenjsc device_printf(sc->sc_dev, 3079173362Sbenjsc "could not setup MRR for data frames\n"); 3080173362Sbenjsc return error; 3081173362Sbenjsc } 3082173362Sbenjsc return 0; 3083173362Sbenjsc} 3084173362Sbenjsc 3085278366Sadrianstatic int 3086278366Sadrianwpi_add_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3087278366Sadrian{ 3088278366Sadrian struct ieee80211com *ic = ni->ni_ic; 3089280088Sadrian struct wpi_vap *wvp = WPI_VAP(ni->ni_vap); 3090280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3091278366Sadrian struct wpi_node_info node; 3092280088Sadrian int error; 3093278366Sadrian 3094278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3095278366Sadrian 3096278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 3097278366Sadrian return EINVAL; 3098278366Sadrian 3099278366Sadrian memset(&node, 0, sizeof node); 3100279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3101278366Sadrian node.id = wn->id; 3102278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3103278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3104278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3105278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3106278366Sadrian 3107280088Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 3108280088Sadrian if (error != 0) { 3109280088Sadrian device_printf(sc->sc_dev, 3110280088Sadrian "%s: wpi_cmd() call failed with error code %d\n", __func__, 3111280088Sadrian error); 3112280088Sadrian return error; 3113280088Sadrian } 3114280088Sadrian 3115280088Sadrian if (wvp->wv_gtk != 0) { 3116280088Sadrian error = wpi_set_global_keys(ni); 3117280088Sadrian if (error != 0) { 3118280088Sadrian device_printf(sc->sc_dev, 3119280088Sadrian "%s: error while setting global keys\n", __func__); 3120280088Sadrian return ENXIO; 3121280088Sadrian } 3122280088Sadrian } 3123280088Sadrian 3124280088Sadrian return 0; 3125278366Sadrian} 3126278366Sadrian 3127278366Sadrian/* 3128278366Sadrian * Broadcast node is used to send group-addressed and management frames. 3129278366Sadrian */ 3130278366Sadrianstatic int 3131278366Sadrianwpi_add_broadcast_node(struct wpi_softc *sc, int async) 3132278366Sadrian{ 3133278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3134278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3135278366Sadrian struct wpi_node_info node; 3136278366Sadrian 3137278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3138278366Sadrian 3139278366Sadrian memset(&node, 0, sizeof node); 3140278366Sadrian IEEE80211_ADDR_COPY(node.macaddr, ifp->if_broadcastaddr); 3141278366Sadrian node.id = WPI_ID_BROADCAST; 3142278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3143278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3144278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3145278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3146278366Sadrian 3147278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, async); 3148278366Sadrian} 3149278366Sadrian 3150278366Sadrianstatic int 3151280070Sadrianwpi_add_sta_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3152280070Sadrian{ 3153280070Sadrian struct wpi_node *wn = WPI_NODE(ni); 3154280070Sadrian int error; 3155280070Sadrian 3156280070Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3157280070Sadrian 3158280070Sadrian wn->id = wpi_add_node_entry_sta(sc); 3159280070Sadrian 3160280070Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3161280070Sadrian wpi_del_node_entry(sc, wn->id); 3162280070Sadrian wn->id = WPI_ID_UNDEFINED; 3163280070Sadrian return error; 3164280070Sadrian } 3165280070Sadrian 3166280070Sadrian return 0; 3167280070Sadrian} 3168280070Sadrian 3169280070Sadrianstatic int 3170278366Sadrianwpi_add_ibss_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3171278366Sadrian{ 3172280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3173280069Sadrian int error; 3174278366Sadrian 3175278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3176278366Sadrian 3177278366Sadrian if (wn->id != WPI_ID_UNDEFINED) 3178278366Sadrian return EINVAL; 3179278366Sadrian 3180280069Sadrian if ((wn->id = wpi_add_node_entry_adhoc(sc)) == WPI_ID_UNDEFINED) { 3181280069Sadrian device_printf(sc->sc_dev, "%s: h/w table is full\n", __func__); 3182280069Sadrian return ENOMEM; 3183280069Sadrian } 3184278366Sadrian 3185280069Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3186280069Sadrian wpi_del_node_entry(sc, wn->id); 3187280069Sadrian wn->id = WPI_ID_UNDEFINED; 3188280069Sadrian return error; 3189280069Sadrian } 3190278366Sadrian 3191280069Sadrian return 0; 3192278366Sadrian} 3193278366Sadrian 3194173362Sbenjscstatic void 3195278366Sadrianwpi_del_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3196278366Sadrian{ 3197280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3198278366Sadrian struct wpi_cmd_del_node node; 3199278366Sadrian int error; 3200278366Sadrian 3201278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3202278366Sadrian 3203278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 3204278366Sadrian device_printf(sc->sc_dev, "%s: undefined node id passed\n", 3205278366Sadrian __func__); 3206278366Sadrian return; 3207278366Sadrian } 3208278366Sadrian 3209278366Sadrian memset(&node, 0, sizeof node); 3210279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3211278366Sadrian node.count = 1; 3212278366Sadrian 3213278366Sadrian error = wpi_cmd(sc, WPI_CMD_DEL_NODE, &node, sizeof node, 1); 3214278366Sadrian if (error != 0) { 3215278366Sadrian device_printf(sc->sc_dev, 3216278366Sadrian "%s: could not delete node %u, error %d\n", __func__, 3217278366Sadrian wn->id, error); 3218278366Sadrian } 3219278366Sadrian} 3220278366Sadrian 3221278366Sadrianstatic int 3222278366Sadrianwpi_updateedca(struct ieee80211com *ic) 3223278366Sadrian{ 3224278366Sadrian#define WPI_EXP2(x) ((1 << (x)) - 1) /* CWmin = 2^ECWmin - 1 */ 3225278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 3226278366Sadrian struct wpi_edca_params cmd; 3227278366Sadrian int aci, error; 3228278366Sadrian 3229278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3230278366Sadrian 3231278366Sadrian memset(&cmd, 0, sizeof cmd); 3232278366Sadrian cmd.flags = htole32(WPI_EDCA_UPDATE); 3233278366Sadrian for (aci = 0; aci < WME_NUM_AC; aci++) { 3234278366Sadrian const struct wmeParams *ac = 3235278366Sadrian &ic->ic_wme.wme_chanParams.cap_wmeParams[aci]; 3236278366Sadrian cmd.ac[aci].aifsn = ac->wmep_aifsn; 3237278366Sadrian cmd.ac[aci].cwmin = htole16(WPI_EXP2(ac->wmep_logcwmin)); 3238278366Sadrian cmd.ac[aci].cwmax = htole16(WPI_EXP2(ac->wmep_logcwmax)); 3239278366Sadrian cmd.ac[aci].txoplimit = 3240278366Sadrian htole16(IEEE80211_TXOP_TO_US(ac->wmep_txopLimit)); 3241278366Sadrian 3242278366Sadrian DPRINTF(sc, WPI_DEBUG_EDCA, 3243278366Sadrian "setting WME for queue %d aifsn=%d cwmin=%d cwmax=%d " 3244278366Sadrian "txoplimit=%d\n", aci, cmd.ac[aci].aifsn, 3245278366Sadrian cmd.ac[aci].cwmin, cmd.ac[aci].cwmax, 3246278366Sadrian cmd.ac[aci].txoplimit); 3247278366Sadrian } 3248278366Sadrian error = wpi_cmd(sc, WPI_CMD_EDCA_PARAMS, &cmd, sizeof cmd, 1); 3249278366Sadrian 3250278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3251278366Sadrian 3252278366Sadrian return error; 3253278366Sadrian#undef WPI_EXP2 3254278366Sadrian} 3255278366Sadrian 3256278366Sadrianstatic void 3257278366Sadrianwpi_set_promisc(struct wpi_softc *sc) 3258278366Sadrian{ 3259278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3260278366Sadrian uint32_t promisc_filter; 3261278366Sadrian 3262278366Sadrian promisc_filter = WPI_FILTER_PROMISC | WPI_FILTER_CTL; 3263278366Sadrian 3264278366Sadrian if (ifp->if_flags & IFF_PROMISC) 3265278366Sadrian sc->rxon.filter |= htole32(promisc_filter); 3266278366Sadrian else 3267278366Sadrian sc->rxon.filter &= ~htole32(promisc_filter); 3268278366Sadrian} 3269278366Sadrian 3270278366Sadrianstatic void 3271278366Sadrianwpi_update_promisc(struct ifnet *ifp) 3272278366Sadrian{ 3273278366Sadrian struct wpi_softc *sc = ifp->if_softc; 3274278366Sadrian 3275280074Sadrian WPI_LOCK(sc); 3276278366Sadrian wpi_set_promisc(sc); 3277278366Sadrian 3278278366Sadrian if (wpi_send_rxon(sc, 1, 1) != 0) { 3279278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3280278366Sadrian __func__); 3281278366Sadrian } 3282278366Sadrian WPI_UNLOCK(sc); 3283278366Sadrian} 3284278366Sadrian 3285278366Sadrianstatic void 3286278366Sadrianwpi_update_mcast(struct ifnet *ifp) 3287278366Sadrian{ 3288278366Sadrian /* Ignore */ 3289278366Sadrian} 3290278366Sadrian 3291278366Sadrianstatic void 3292173362Sbenjscwpi_set_led(struct wpi_softc *sc, uint8_t which, uint8_t off, uint8_t on) 3293173362Sbenjsc{ 3294173362Sbenjsc struct wpi_cmd_led led; 3295173362Sbenjsc 3296278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3297278366Sadrian 3298173362Sbenjsc led.which = which; 3299173362Sbenjsc led.unit = htole32(100000); /* on/off in unit of 100ms */ 3300173362Sbenjsc led.off = off; 3301173362Sbenjsc led.on = on; 3302173362Sbenjsc (void)wpi_cmd(sc, WPI_CMD_SET_LED, &led, sizeof led, 1); 3303173362Sbenjsc} 3304173362Sbenjsc 3305278366Sadrianstatic int 3306278366Sadrianwpi_set_timing(struct wpi_softc *sc, struct ieee80211_node *ni) 3307173362Sbenjsc{ 3308278366Sadrian struct wpi_cmd_timing cmd; 3309173362Sbenjsc uint64_t val, mod; 3310173362Sbenjsc 3311278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3312173362Sbenjsc 3313278366Sadrian memset(&cmd, 0, sizeof cmd); 3314278366Sadrian memcpy(&cmd.tstamp, ni->ni_tstamp.data, sizeof (uint64_t)); 3315278366Sadrian cmd.bintval = htole16(ni->ni_intval); 3316278366Sadrian cmd.lintval = htole16(10); 3317173362Sbenjsc 3318278366Sadrian /* Compute remaining time until next beacon. */ 3319278366Sadrian val = (uint64_t)ni->ni_intval * IEEE80211_DUR_TU; 3320278366Sadrian mod = le64toh(cmd.tstamp) % val; 3321278366Sadrian cmd.binitval = htole32((uint32_t)(val - mod)); 3322278366Sadrian 3323278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "timing bintval=%u tstamp=%ju, init=%u\n", 3324278366Sadrian ni->ni_intval, le64toh(cmd.tstamp), (uint32_t)(val - mod)); 3325278366Sadrian 3326278366Sadrian return wpi_cmd(sc, WPI_CMD_TIMING, &cmd, sizeof cmd, 1); 3327173362Sbenjsc} 3328173362Sbenjsc 3329173362Sbenjsc/* 3330278366Sadrian * This function is called periodically (every 60 seconds) to adjust output 3331278366Sadrian * power to temperature changes. 3332173362Sbenjsc */ 3333278366Sadrianstatic void 3334278366Sadrianwpi_power_calibration(struct wpi_softc *sc) 3335278366Sadrian{ 3336278366Sadrian int temp; 3337278366Sadrian 3338278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3339278366Sadrian 3340278366Sadrian /* Update sensor data. */ 3341278366Sadrian temp = (int)WPI_READ(sc, WPI_UCODE_GP2); 3342278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "Temp in calibration is: %d\n", temp); 3343278366Sadrian 3344278366Sadrian /* Sanity-check read value. */ 3345278366Sadrian if (temp < -260 || temp > 25) { 3346278366Sadrian /* This can't be correct, ignore. */ 3347278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3348278366Sadrian "out-of-range temperature reported: %d\n", temp); 3349278366Sadrian return; 3350278366Sadrian } 3351278366Sadrian 3352278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d->%d\n", sc->temp, temp); 3353278366Sadrian 3354278366Sadrian /* Adjust Tx power if need be. */ 3355278366Sadrian if (abs(temp - sc->temp) <= 6) 3356278366Sadrian return; 3357278366Sadrian 3358278366Sadrian sc->temp = temp; 3359278366Sadrian 3360278366Sadrian if (wpi_set_txpower(sc, 1) != 0) { 3361278366Sadrian /* just warn, too bad for the automatic calibration... */ 3362278366Sadrian device_printf(sc->sc_dev,"could not adjust Tx power\n"); 3363278366Sadrian } 3364278366Sadrian} 3365278366Sadrian 3366278366Sadrian/* 3367278366Sadrian * Set TX power for current channel. 3368278366Sadrian */ 3369173362Sbenjscstatic int 3370278366Sadrianwpi_set_txpower(struct wpi_softc *sc, int async) 3371173362Sbenjsc{ 3372280067Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3373278366Sadrian struct ieee80211_channel *ch; 3374278366Sadrian struct wpi_power_group *group; 3375278366Sadrian struct wpi_cmd_txpower cmd; 3376278366Sadrian uint8_t chan; 3377278366Sadrian int idx, i; 3378173362Sbenjsc 3379278366Sadrian /* Retrieve current channel from last RXON. */ 3380278366Sadrian chan = sc->rxon.chan; 3381278366Sadrian ch = &ic->ic_channels[chan]; 3382173362Sbenjsc 3383278366Sadrian /* Find the TX power group to which this channel belongs. */ 3384278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3385278366Sadrian for (group = &sc->groups[1]; group < &sc->groups[4]; group++) 3386278366Sadrian if (chan <= group->chan) 3387278366Sadrian break; 3388278366Sadrian } else 3389278366Sadrian group = &sc->groups[0]; 3390278366Sadrian 3391278366Sadrian memset(&cmd, 0, sizeof cmd); 3392278366Sadrian cmd.band = IEEE80211_IS_CHAN_5GHZ(ch) ? 0 : 1; 3393278366Sadrian cmd.chan = htole16(chan); 3394278366Sadrian 3395278366Sadrian /* Set TX power for all OFDM and CCK rates. */ 3396278366Sadrian for (i = 0; i <= WPI_RIDX_MAX ; i++) { 3397278366Sadrian /* Retrieve TX power for this channel/rate. */ 3398278366Sadrian idx = wpi_get_power_index(sc, group, ch, i); 3399278366Sadrian 3400278366Sadrian cmd.rates[i].plcp = wpi_ridx_to_plcp[i]; 3401278366Sadrian 3402278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3403278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_5ghz[idx]; 3404278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_5ghz[idx]; 3405278366Sadrian } else { 3406278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_2ghz[idx]; 3407278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_2ghz[idx]; 3408278366Sadrian } 3409278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3410278366Sadrian "chan %d/ridx %d: power index %d\n", chan, i, idx); 3411173362Sbenjsc } 3412173362Sbenjsc 3413278366Sadrian return wpi_cmd(sc, WPI_CMD_TXPOWER, &cmd, sizeof cmd, async); 3414278366Sadrian} 3415173362Sbenjsc 3416278366Sadrian/* 3417278366Sadrian * Determine Tx power index for a given channel/rate combination. 3418278366Sadrian * This takes into account the regulatory information from EEPROM and the 3419278366Sadrian * current temperature. 3420278366Sadrian */ 3421278366Sadrianstatic int 3422278366Sadrianwpi_get_power_index(struct wpi_softc *sc, struct wpi_power_group *group, 3423278366Sadrian struct ieee80211_channel *c, int ridx) 3424278366Sadrian{ 3425278366Sadrian/* Fixed-point arithmetic division using a n-bit fractional part. */ 3426280059Sadrian#define fdivround(a, b, n) \ 3427278366Sadrian ((((1 << n) * (a)) / (b) + (1 << n) / 2) / (1 << n)) 3428173362Sbenjsc 3429278366Sadrian/* Linear interpolation. */ 3430280059Sadrian#define interpolate(x, x1, y1, x2, y2, n) \ 3431278366Sadrian ((y1) + fdivround(((x) - (x1)) * ((y2) - (y1)), (x2) - (x1), n)) 3432173362Sbenjsc 3433280067Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3434278366Sadrian struct wpi_power_sample *sample; 3435278366Sadrian int pwr, idx; 3436278366Sadrian u_int chan; 3437278366Sadrian 3438278366Sadrian /* Get channel number. */ 3439278366Sadrian chan = ieee80211_chan2ieee(ic, c); 3440278366Sadrian 3441278366Sadrian /* Default TX power is group maximum TX power minus 3dB. */ 3442278366Sadrian pwr = group->maxpwr / 2; 3443278366Sadrian 3444278366Sadrian /* Decrease TX power for highest OFDM rates to reduce distortion. */ 3445278366Sadrian switch (ridx) { 3446278366Sadrian case WPI_RIDX_OFDM36: 3447278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 0 : 5; 3448278366Sadrian break; 3449278366Sadrian case WPI_RIDX_OFDM48: 3450278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 7 : 10; 3451278366Sadrian break; 3452278366Sadrian case WPI_RIDX_OFDM54: 3453278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 9 : 12; 3454278366Sadrian break; 3455173362Sbenjsc } 3456173362Sbenjsc 3457278366Sadrian /* Never exceed the channel maximum allowed TX power. */ 3458278366Sadrian pwr = min(pwr, sc->maxpwr[chan]); 3459173362Sbenjsc 3460278366Sadrian /* Retrieve TX power index into gain tables from samples. */ 3461278366Sadrian for (sample = group->samples; sample < &group->samples[3]; sample++) 3462278366Sadrian if (pwr > sample[1].power) 3463278366Sadrian break; 3464278366Sadrian /* Fixed-point linear interpolation using a 19-bit fractional part. */ 3465278366Sadrian idx = interpolate(pwr, sample[0].power, sample[0].index, 3466278366Sadrian sample[1].power, sample[1].index, 19); 3467173362Sbenjsc 3468278366Sadrian /*- 3469278366Sadrian * Adjust power index based on current temperature: 3470278366Sadrian * - if cooler than factory-calibrated: decrease output power 3471278366Sadrian * - if warmer than factory-calibrated: increase output power 3472278366Sadrian */ 3473278366Sadrian idx -= (sc->temp - group->temp) * 11 / 100; 3474173362Sbenjsc 3475278366Sadrian /* Decrease TX power for CCK rates (-5dB). */ 3476278366Sadrian if (ridx >= WPI_RIDX_CCK1) 3477278366Sadrian idx += 10; 3478278366Sadrian 3479278366Sadrian /* Make sure idx stays in a valid range. */ 3480278366Sadrian if (idx < 0) 3481278366Sadrian return 0; 3482278366Sadrian if (idx > WPI_MAX_PWR_INDEX) 3483278366Sadrian return WPI_MAX_PWR_INDEX; 3484278366Sadrian return idx; 3485278366Sadrian 3486278366Sadrian#undef interpolate 3487278366Sadrian#undef fdivround 3488173362Sbenjsc} 3489173362Sbenjsc 3490278366Sadrian/* 3491278366Sadrian * Set STA mode power saving level (between 0 and 5). 3492278366Sadrian * Level 0 is CAM (Continuously Aware Mode), 5 is for maximum power saving. 3493278366Sadrian */ 3494173362Sbenjscstatic int 3495278366Sadrianwpi_set_pslevel(struct wpi_softc *sc, uint8_t dtim, int level, int async) 3496173362Sbenjsc{ 3497278366Sadrian struct wpi_pmgt_cmd cmd; 3498278366Sadrian const struct wpi_pmgt *pmgt; 3499278366Sadrian uint32_t max, skip_dtim; 3500278366Sadrian uint32_t reg; 3501278366Sadrian int i; 3502278366Sadrian 3503278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 3504278366Sadrian "%s: dtim=%d, level=%d, async=%d\n", 3505278366Sadrian __func__, dtim, level, async); 3506278366Sadrian 3507278366Sadrian /* Select which PS parameters to use. */ 3508278366Sadrian if (dtim <= 10) 3509278366Sadrian pmgt = &wpi_pmgt[0][level]; 3510278366Sadrian else 3511278366Sadrian pmgt = &wpi_pmgt[1][level]; 3512278366Sadrian 3513278366Sadrian memset(&cmd, 0, sizeof cmd); 3514278366Sadrian if (level != 0) /* not CAM */ 3515278366Sadrian cmd.flags |= htole16(WPI_PS_ALLOW_SLEEP); 3516278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 3517278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 3518278366Sadrian if (!(reg & 0x1)) /* L0s Entry disabled. */ 3519278366Sadrian cmd.flags |= htole16(WPI_PS_PCI_PMGT); 3520278366Sadrian 3521278366Sadrian cmd.rxtimeout = htole32(pmgt->rxtimeout * IEEE80211_DUR_TU); 3522278366Sadrian cmd.txtimeout = htole32(pmgt->txtimeout * IEEE80211_DUR_TU); 3523278366Sadrian 3524278366Sadrian if (dtim == 0) { 3525278366Sadrian dtim = 1; 3526278366Sadrian skip_dtim = 0; 3527278366Sadrian } else 3528278366Sadrian skip_dtim = pmgt->skip_dtim; 3529278366Sadrian 3530278366Sadrian if (skip_dtim != 0) { 3531278366Sadrian cmd.flags |= htole16(WPI_PS_SLEEP_OVER_DTIM); 3532278366Sadrian max = pmgt->intval[4]; 3533278366Sadrian if (max == (uint32_t)-1) 3534278366Sadrian max = dtim * (skip_dtim + 1); 3535278366Sadrian else if (max > dtim) 3536278366Sadrian max = (max / dtim) * dtim; 3537278366Sadrian } else 3538278366Sadrian max = dtim; 3539278366Sadrian 3540278366Sadrian for (i = 0; i < 5; i++) 3541278366Sadrian cmd.intval[i] = htole32(MIN(max, pmgt->intval[i])); 3542278366Sadrian 3543278366Sadrian return wpi_cmd(sc, WPI_CMD_SET_POWER_MODE, &cmd, sizeof cmd, async); 3544278366Sadrian} 3545278366Sadrian 3546280059Sadrianstatic int 3547278366Sadrianwpi_send_btcoex(struct wpi_softc *sc) 3548278366Sadrian{ 3549278366Sadrian struct wpi_bluetooth cmd; 3550278366Sadrian 3551280059Sadrian memset(&cmd, 0, sizeof cmd); 3552280059Sadrian cmd.flags = WPI_BT_COEX_MODE_4WIRE; 3553280059Sadrian cmd.lead_time = WPI_BT_LEAD_TIME_DEF; 3554280059Sadrian cmd.max_kill = WPI_BT_MAX_KILL_DEF; 3555278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "%s: configuring bluetooth coexistence\n", 3556278366Sadrian __func__); 3557280059Sadrian return wpi_cmd(sc, WPI_CMD_BT_COEX, &cmd, sizeof(cmd), 0); 3558278366Sadrian} 3559278366Sadrian 3560278366Sadrianstatic int 3561278366Sadrianwpi_send_rxon(struct wpi_softc *sc, int assoc, int async) 3562278366Sadrian{ 3563173362Sbenjsc int error; 3564173362Sbenjsc 3565278366Sadrian if (assoc && (sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3566278366Sadrian struct wpi_assoc rxon_assoc; 3567177043Sthompsa 3568278366Sadrian rxon_assoc.flags = sc->rxon.flags; 3569278366Sadrian rxon_assoc.filter = sc->rxon.filter; 3570278366Sadrian rxon_assoc.ofdm_mask = sc->rxon.ofdm_mask; 3571278366Sadrian rxon_assoc.cck_mask = sc->rxon.cck_mask; 3572278366Sadrian rxon_assoc.reserved = 0; 3573278366Sadrian 3574278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON_ASSOC, &rxon_assoc, 3575278366Sadrian sizeof (struct wpi_assoc), async); 3576216522Sbschmidt } else { 3577280077Sadrian if (async) 3578280077Sadrian WPI_NT_LOCK(sc); 3579280077Sadrian 3580278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3581278366Sadrian sizeof (struct wpi_rxon), async); 3582280069Sadrian 3583280069Sadrian wpi_clear_node_table(sc); 3584280077Sadrian 3585280077Sadrian if (async) 3586280077Sadrian WPI_NT_UNLOCK(sc); 3587173362Sbenjsc } 3588173362Sbenjsc if (error != 0) { 3589278366Sadrian device_printf(sc->sc_dev, "RXON command failed, error %d\n", 3590278366Sadrian error); 3591173362Sbenjsc return error; 3592173362Sbenjsc } 3593173362Sbenjsc 3594278366Sadrian /* Configuration has changed, set Tx power accordingly. */ 3595278366Sadrian if ((error = wpi_set_txpower(sc, async)) != 0) { 3596278366Sadrian device_printf(sc->sc_dev, 3597278366Sadrian "%s: could not set TX power, error %d\n", __func__, error); 3598173362Sbenjsc return error; 3599173362Sbenjsc } 3600173362Sbenjsc 3601278366Sadrian if (!(sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3602278366Sadrian /* Add broadcast node. */ 3603278366Sadrian error = wpi_add_broadcast_node(sc, async); 3604278366Sadrian if (error != 0) { 3605278366Sadrian device_printf(sc->sc_dev, 3606278366Sadrian "could not add broadcast node, error %d\n", error); 3607278366Sadrian return error; 3608278366Sadrian } 3609278366Sadrian } 3610177043Sthompsa 3611278366Sadrian return 0; 3612177043Sthompsa} 3613177043Sthompsa 3614278366Sadrian/** 3615278366Sadrian * Configure the card to listen to a particular channel, this transisions the 3616278366Sadrian * card in to being able to receive frames from remote devices. 3617278366Sadrian */ 3618177043Sthompsastatic int 3619278366Sadrianwpi_config(struct wpi_softc *sc) 3620177043Sthompsa{ 3621278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3622278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3623279762Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3624278366Sadrian uint32_t flags; 3625177043Sthompsa int error; 3626177043Sthompsa 3627278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3628278366Sadrian 3629278366Sadrian /* Set power saving level to CAM during initialization. */ 3630278366Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 0)) != 0) { 3631278366Sadrian device_printf(sc->sc_dev, 3632278366Sadrian "%s: could not set power saving level\n", __func__); 3633278366Sadrian return error; 3634178354Ssam } 3635178354Ssam 3636278366Sadrian /* Configure bluetooth coexistence. */ 3637278366Sadrian if ((error = wpi_send_btcoex(sc)) != 0) { 3638278366Sadrian device_printf(sc->sc_dev, 3639278366Sadrian "could not configure bluetooth coexistence\n"); 3640278366Sadrian return error; 3641278366Sadrian } 3642177043Sthompsa 3643278366Sadrian /* Configure adapter. */ 3644278366Sadrian memset(&sc->rxon, 0, sizeof (struct wpi_rxon)); 3645279762Sadrian IEEE80211_ADDR_COPY(sc->rxon.myaddr, vap->iv_myaddr); 3646177043Sthompsa 3647278366Sadrian /* Set default channel. */ 3648278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ic->ic_curchan); 3649278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3650278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) 3651278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3652177043Sthompsa 3653278764Sadrian sc->rxon.filter = WPI_FILTER_MULTICAST; 3654278366Sadrian switch (ic->ic_opmode) { 3655278366Sadrian case IEEE80211_M_STA: 3656278366Sadrian sc->rxon.mode = WPI_MODE_STA; 3657278366Sadrian break; 3658278366Sadrian case IEEE80211_M_IBSS: 3659278366Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3660278764Sadrian sc->rxon.filter |= WPI_FILTER_BEACON; 3661278366Sadrian break; 3662278366Sadrian /* XXX workaround for passive channels selection */ 3663278366Sadrian case IEEE80211_M_AHDEMO: 3664278366Sadrian case IEEE80211_M_HOSTAP: 3665278366Sadrian sc->rxon.mode = WPI_MODE_HOSTAP; 3666278366Sadrian break; 3667278366Sadrian case IEEE80211_M_MONITOR: 3668278366Sadrian sc->rxon.mode = WPI_MODE_MONITOR; 3669278366Sadrian break; 3670278366Sadrian default: 3671280066Sadrian device_printf(sc->sc_dev, "unknown opmode %d\n", 3672280066Sadrian ic->ic_opmode); 3673278366Sadrian return EINVAL; 3674278366Sadrian } 3675278764Sadrian sc->rxon.filter = htole32(sc->rxon.filter); 3676278366Sadrian wpi_set_promisc(sc); 3677278366Sadrian sc->rxon.cck_mask = 0x0f; /* not yet negotiated */ 3678278366Sadrian sc->rxon.ofdm_mask = 0xff; /* not yet negotiated */ 3679278366Sadrian 3680278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) { 3681278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3682278366Sadrian __func__); 3683173362Sbenjsc return error; 3684173362Sbenjsc } 3685173362Sbenjsc 3686278366Sadrian /* Setup rate scalling. */ 3687278366Sadrian if ((error = wpi_mrr_setup(sc)) != 0) { 3688278366Sadrian device_printf(sc->sc_dev, "could not setup MRR, error %d\n", 3689278366Sadrian error); 3690278366Sadrian return error; 3691278366Sadrian } 3692278366Sadrian 3693278366Sadrian /* Disable beacon notifications (unused). */ 3694278366Sadrian flags = WPI_STATISTICS_BEACON_DISABLE; 3695278366Sadrian error = wpi_cmd(sc, WPI_CMD_GET_STATISTICS, &flags, sizeof flags, 1); 3696177043Sthompsa if (error != 0) { 3697278366Sadrian device_printf(sc->sc_dev, 3698278366Sadrian "could not disable beacon statistics, error %d\n", error); 3699177043Sthompsa return error; 3700177043Sthompsa } 3701173362Sbenjsc 3702278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3703177043Sthompsa 3704278366Sadrian return 0; 3705278366Sadrian} 3706177043Sthompsa 3707278366Sadrianstatic uint16_t 3708278366Sadrianwpi_get_active_dwell_time(struct wpi_softc *sc, 3709278366Sadrian struct ieee80211_channel *c, uint8_t n_probes) 3710278366Sadrian{ 3711278366Sadrian /* No channel? Default to 2GHz settings. */ 3712278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) { 3713278366Sadrian return (WPI_ACTIVE_DWELL_TIME_2GHZ + 3714278366Sadrian WPI_ACTIVE_DWELL_FACTOR_2GHZ * (n_probes + 1)); 3715278366Sadrian } 3716278366Sadrian 3717278366Sadrian /* 5GHz dwell time. */ 3718278366Sadrian return (WPI_ACTIVE_DWELL_TIME_5GHZ + 3719278366Sadrian WPI_ACTIVE_DWELL_FACTOR_5GHZ * (n_probes + 1)); 3720173362Sbenjsc} 3721173362Sbenjsc 3722173362Sbenjsc/* 3723278366Sadrian * Limit the total dwell time to 85% of the beacon interval. 3724278366Sadrian * 3725278366Sadrian * Returns the dwell time in milliseconds. 3726173362Sbenjsc */ 3727278366Sadrianstatic uint16_t 3728278366Sadrianwpi_limit_dwell(struct wpi_softc *sc, uint16_t dwell_time) 3729278366Sadrian{ 3730278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3731278366Sadrian struct ieee80211vap *vap = NULL; 3732278366Sadrian int bintval = 0; 3733278366Sadrian 3734278366Sadrian /* bintval is in TU (1.024mS) */ 3735278366Sadrian if (! TAILQ_EMPTY(&ic->ic_vaps)) { 3736278366Sadrian vap = TAILQ_FIRST(&ic->ic_vaps); 3737278366Sadrian bintval = vap->iv_bss->ni_intval; 3738278366Sadrian } 3739278366Sadrian 3740278366Sadrian /* 3741278366Sadrian * If it's non-zero, we should calculate the minimum of 3742278366Sadrian * it and the DWELL_BASE. 3743278366Sadrian * 3744278366Sadrian * XXX Yes, the math should take into account that bintval 3745278366Sadrian * is 1.024mS, not 1mS.. 3746278366Sadrian */ 3747278366Sadrian if (bintval > 0) { 3748278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "%s: bintval=%d\n", __func__, 3749278366Sadrian bintval); 3750278366Sadrian return (MIN(WPI_PASSIVE_DWELL_BASE, ((bintval * 85) / 100))); 3751278366Sadrian } 3752278366Sadrian 3753278366Sadrian /* No association context? Default. */ 3754278366Sadrian return (WPI_PASSIVE_DWELL_BASE); 3755278366Sadrian} 3756278366Sadrian 3757278366Sadrianstatic uint16_t 3758278366Sadrianwpi_get_passive_dwell_time(struct wpi_softc *sc, struct ieee80211_channel *c) 3759278366Sadrian{ 3760278366Sadrian uint16_t passive; 3761278366Sadrian 3762278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) 3763278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_2GHZ; 3764278366Sadrian else 3765278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_5GHZ; 3766278366Sadrian 3767278366Sadrian /* Clamp to the beacon interval if we're associated. */ 3768278366Sadrian return (wpi_limit_dwell(sc, passive)); 3769278366Sadrian} 3770278366Sadrian 3771278366Sadrian/* 3772278366Sadrian * Send a scan request to the firmware. 3773278366Sadrian */ 3774173362Sbenjscstatic int 3775278366Sadrianwpi_scan(struct wpi_softc *sc, struct ieee80211_channel *c) 3776173362Sbenjsc{ 3777178354Ssam struct ifnet *ifp = sc->sc_ifp; 3778178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3779177043Sthompsa struct ieee80211_scan_state *ss = ic->ic_scan; 3780279762Sadrian struct ieee80211vap *vap = ss->ss_vap; 3781173362Sbenjsc struct wpi_scan_hdr *hdr; 3782278366Sadrian struct wpi_cmd_data *tx; 3783278366Sadrian struct wpi_scan_essid *essids; 3784173362Sbenjsc struct wpi_scan_chan *chan; 3785173362Sbenjsc struct ieee80211_frame *wh; 3786173362Sbenjsc struct ieee80211_rateset *rs; 3787278366Sadrian uint16_t dwell_active, dwell_passive; 3788278366Sadrian uint8_t *buf, *frm; 3789278366Sadrian int buflen, error, i, nssid; 3790173362Sbenjsc 3791278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3792173362Sbenjsc 3793278366Sadrian /* 3794278366Sadrian * We are absolutely not allowed to send a scan command when another 3795278366Sadrian * scan command is pending. 3796278366Sadrian */ 3797278366Sadrian if (sc->sc_scan_timer) { 3798278366Sadrian device_printf(sc->sc_dev, "%s: called whilst scanning!\n", 3799278366Sadrian __func__); 3800280060Sadrian 3801280060Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3802280060Sadrian 3803278366Sadrian return (EAGAIN); 3804278366Sadrian } 3805278366Sadrian 3806278366Sadrian buf = malloc(WPI_SCAN_MAXSZ, M_DEVBUF, M_NOWAIT | M_ZERO); 3807278366Sadrian if (buf == NULL) { 3808173362Sbenjsc device_printf(sc->sc_dev, 3809278366Sadrian "%s: could not allocate buffer for scan command\n", 3810278366Sadrian __func__); 3811280060Sadrian error = ENOMEM; 3812280060Sadrian goto fail; 3813173362Sbenjsc } 3814278366Sadrian hdr = (struct wpi_scan_hdr *)buf; 3815173362Sbenjsc 3816173362Sbenjsc /* 3817278366Sadrian * Move to the next channel if no packets are received within 10 msecs 3818278366Sadrian * after sending the probe request. 3819173362Sbenjsc */ 3820278366Sadrian hdr->quiet_time = htole16(10); /* timeout in milliseconds */ 3821278366Sadrian hdr->quiet_threshold = htole16(1); /* min # of packets */ 3822278366Sadrian /* 3823278366Sadrian * Max needs to be greater than active and passive and quiet! 3824278366Sadrian * It's also in microseconds! 3825278366Sadrian */ 3826278366Sadrian hdr->max_svc = htole32(250 * IEEE80211_DUR_TU); 3827278366Sadrian hdr->pause_svc = htole32((4 << 24) | 3828278366Sadrian (100 * IEEE80211_DUR_TU)); /* Hardcode for now */ 3829278366Sadrian hdr->filter = htole32(WPI_FILTER_MULTICAST | WPI_FILTER_BEACON); 3830173362Sbenjsc 3831278366Sadrian tx = (struct wpi_cmd_data *)(hdr + 1); 3832278366Sadrian tx->flags = htole32(WPI_TX_AUTO_SEQ); 3833278366Sadrian tx->id = WPI_ID_BROADCAST; 3834278366Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 3835173362Sbenjsc 3836278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) { 3837278366Sadrian /* Send probe requests at 6Mbps. */ 3838278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_OFDM6]; 3839278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11A]; 3840173362Sbenjsc } else { 3841278366Sadrian hdr->flags = htole32(WPI_RXON_24GHZ | WPI_RXON_AUTO); 3842278366Sadrian /* Send probe requests at 1Mbps. */ 3843278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3844278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11G]; 3845173362Sbenjsc } 3846173362Sbenjsc 3847278366Sadrian essids = (struct wpi_scan_essid *)(tx + 1); 3848177043Sthompsa nssid = MIN(ss->ss_nssid, WPI_SCAN_MAX_ESSIDS); 3849178354Ssam for (i = 0; i < nssid; i++) { 3850278366Sadrian essids[i].id = IEEE80211_ELEMID_SSID; 3851278366Sadrian essids[i].len = MIN(ss->ss_ssid[i].len, IEEE80211_NWID_LEN); 3852278366Sadrian memcpy(essids[i].data, ss->ss_ssid[i].ssid, essids[i].len); 3853179957Sthompsa#ifdef WPI_DEBUG 3854278366Sadrian if (sc->sc_debug & WPI_DEBUG_SCAN) { 3855177043Sthompsa printf("Scanning Essid: "); 3856278366Sadrian ieee80211_print_essid(essids[i].data, essids[i].len); 3857177043Sthompsa printf("\n"); 3858177043Sthompsa } 3859179957Sthompsa#endif 3860173362Sbenjsc } 3861173362Sbenjsc 3862173362Sbenjsc /* 3863173362Sbenjsc * Build a probe request frame. Most of the following code is a 3864173362Sbenjsc * copy & paste of what is done in net80211. 3865173362Sbenjsc */ 3866278366Sadrian wh = (struct ieee80211_frame *)(essids + WPI_SCAN_MAX_ESSIDS); 3867173362Sbenjsc wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 3868173362Sbenjsc IEEE80211_FC0_SUBTYPE_PROBE_REQ; 3869173362Sbenjsc wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 3870173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr1, ifp->if_broadcastaddr); 3871279762Sadrian IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); 3872173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr3, ifp->if_broadcastaddr); 3873278366Sadrian *(uint16_t *)&wh->i_dur[0] = 0; /* filled by h/w */ 3874278366Sadrian *(uint16_t *)&wh->i_seq[0] = 0; /* filled by h/w */ 3875173362Sbenjsc 3876173362Sbenjsc frm = (uint8_t *)(wh + 1); 3877275966Sadrian frm = ieee80211_add_ssid(frm, NULL, 0); 3878275966Sadrian frm = ieee80211_add_rates(frm, rs); 3879278366Sadrian if (rs->rs_nrates > IEEE80211_RATE_SIZE) 3880278366Sadrian frm = ieee80211_add_xrates(frm, rs); 3881173362Sbenjsc 3882278366Sadrian /* Set length of probe request. */ 3883278366Sadrian tx->len = htole16(frm - (uint8_t *)wh); 3884173362Sbenjsc 3885173362Sbenjsc /* 3886173362Sbenjsc * Construct information about the channel that we 3887173362Sbenjsc * want to scan. The firmware expects this to be directly 3888173362Sbenjsc * after the scan probe request 3889173362Sbenjsc */ 3890173362Sbenjsc chan = (struct wpi_scan_chan *)frm; 3891278366Sadrian chan->chan = htole16(ieee80211_chan2ieee(ic, c)); 3892173362Sbenjsc chan->flags = 0; 3893278366Sadrian if (nssid) { 3894278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_DEFAULT; 3895278366Sadrian chan->flags |= WPI_CHAN_NPBREQS(nssid); 3896278366Sadrian } else 3897278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_NEVER; 3898278366Sadrian 3899278764Sadrian if (!IEEE80211_IS_CHAN_PASSIVE(c)) 3900173362Sbenjsc chan->flags |= WPI_CHAN_ACTIVE; 3901173362Sbenjsc 3902278366Sadrian /* 3903278366Sadrian * Calculate the active/passive dwell times. 3904278366Sadrian */ 3905173362Sbenjsc 3906278366Sadrian dwell_active = wpi_get_active_dwell_time(sc, c, nssid); 3907278366Sadrian dwell_passive = wpi_get_passive_dwell_time(sc, c); 3908278366Sadrian 3909278366Sadrian /* Make sure they're valid. */ 3910278366Sadrian if (dwell_passive <= dwell_active) 3911278366Sadrian dwell_passive = dwell_active + 1; 3912278366Sadrian 3913278366Sadrian chan->active = htole16(dwell_active); 3914278366Sadrian chan->passive = htole16(dwell_passive); 3915278366Sadrian 3916278366Sadrian chan->dsp_gain = 0x6e; /* Default level */ 3917278366Sadrian 3918278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) 3919278366Sadrian chan->rf_gain = 0x3b; 3920278366Sadrian else 3921278366Sadrian chan->rf_gain = 0x28; 3922278366Sadrian 3923278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "Scanning %u Passive: %d\n", 3924280059Sadrian chan->chan, IEEE80211_IS_CHAN_PASSIVE(c)); 3925278366Sadrian 3926173362Sbenjsc hdr->nchan++; 3927173362Sbenjsc chan++; 3928173362Sbenjsc 3929278366Sadrian buflen = (uint8_t *)chan - buf; 3930278366Sadrian hdr->len = htole16(buflen); 3931173362Sbenjsc 3932278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "sending scan command nchan=%d\n", 3933278366Sadrian hdr->nchan); 3934278366Sadrian error = wpi_cmd(sc, WPI_CMD_SCAN, buf, buflen, 1); 3935278366Sadrian free(buf, M_DEVBUF); 3936173362Sbenjsc 3937280060Sadrian if (error != 0) 3938280060Sadrian goto fail; 3939280060Sadrian 3940278366Sadrian sc->sc_scan_timer = 5; 3941173362Sbenjsc 3942278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3943173362Sbenjsc 3944280060Sadrian return 0; 3945280060Sadrian 3946280060Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3947280060Sadrian 3948278366Sadrian return error; 3949278366Sadrian} 3950173362Sbenjsc 3951278366Sadrianstatic int 3952278366Sadrianwpi_auth(struct wpi_softc *sc, struct ieee80211vap *vap) 3953278366Sadrian{ 3954278366Sadrian struct ieee80211com *ic = vap->iv_ic; 3955278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 3956278366Sadrian int error; 3957173362Sbenjsc 3958278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3959278366Sadrian 3960278366Sadrian /* Update adapter configuration. */ 3961278366Sadrian sc->rxon.associd = 0; 3962278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 3963278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 3964278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 3965278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3966278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 3967278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3968278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 3969278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 3970278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 3971278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 3972278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 3973278366Sadrian sc->rxon.cck_mask = 0; 3974278366Sadrian sc->rxon.ofdm_mask = 0x15; 3975278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 3976278366Sadrian sc->rxon.cck_mask = 0x03; 3977278366Sadrian sc->rxon.ofdm_mask = 0; 3978278366Sadrian } else { 3979278366Sadrian /* Assume 802.11b/g. */ 3980278366Sadrian sc->rxon.cck_mask = 0x0f; 3981278366Sadrian sc->rxon.ofdm_mask = 0x15; 3982173362Sbenjsc } 3983173362Sbenjsc 3984278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x cck %x ofdm %x\n", 3985278366Sadrian sc->rxon.chan, sc->rxon.flags, sc->rxon.cck_mask, 3986278366Sadrian sc->rxon.ofdm_mask); 3987173362Sbenjsc 3988278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 3989278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3990278366Sadrian __func__); 3991278366Sadrian } 3992173362Sbenjsc 3993278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3994173362Sbenjsc 3995278366Sadrian return error; 3996173362Sbenjsc} 3997173362Sbenjsc 3998173362Sbenjscstatic int 3999280084Sadrianwpi_config_beacon(struct wpi_vap *wvp) 4000280084Sadrian{ 4001280085Sadrian struct ieee80211com *ic = wvp->wv_vap.iv_ic; 4002280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4003280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4004280084Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4005280084Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 4006280084Sadrian struct ieee80211_tim_ie *tie; 4007280084Sadrian struct mbuf *m; 4008280084Sadrian uint8_t *ptr; 4009280084Sadrian int error; 4010280084Sadrian 4011280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4012280084Sadrian 4013280086Sadrian WPI_VAP_LOCK_ASSERT(wvp); 4014280084Sadrian 4015280084Sadrian cmd->len = htole16(bcn->m->m_pkthdr.len); 4016280084Sadrian cmd->plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 4017280084Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 4018280084Sadrian 4019280084Sadrian /* XXX seems to be unused */ 4020280084Sadrian if (*(bo->bo_tim) == IEEE80211_ELEMID_TIM) { 4021280084Sadrian tie = (struct ieee80211_tim_ie *) bo->bo_tim; 4022280084Sadrian ptr = mtod(bcn->m, uint8_t *); 4023280084Sadrian 4024280084Sadrian cmd->tim = htole16(bo->bo_tim - ptr); 4025280084Sadrian cmd->timsz = tie->tim_len; 4026280084Sadrian } 4027280084Sadrian 4028280084Sadrian /* Necessary for recursion in ieee80211_beacon_update(). */ 4029280084Sadrian m = bcn->m; 4030280084Sadrian bcn->m = m_dup(m, M_NOWAIT); 4031280084Sadrian if (bcn->m == NULL) { 4032280084Sadrian device_printf(sc->sc_dev, 4033280084Sadrian "%s: could not copy beacon frame\n", __func__); 4034280084Sadrian error = ENOMEM; 4035280084Sadrian goto end; 4036280084Sadrian } 4037280084Sadrian 4038280084Sadrian if ((error = wpi_cmd2(sc, bcn)) != 0) { 4039280084Sadrian device_printf(sc->sc_dev, 4040280084Sadrian "%s: could not update beacon frame, error %d", __func__, 4041280084Sadrian error); 4042280084Sadrian } 4043280084Sadrian 4044280084Sadrian /* Restore mbuf. */ 4045280084Sadrianend: bcn->m = m; 4046280084Sadrian 4047280084Sadrian return error; 4048280084Sadrian} 4049280084Sadrian 4050280084Sadrianstatic int 4051278366Sadrianwpi_setup_beacon(struct wpi_softc *sc, struct ieee80211_node *ni) 4052173362Sbenjsc{ 4053280082Sadrian struct wpi_vap *wvp = WPI_VAP(ni->ni_vap); 4054278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4055280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4056278366Sadrian struct mbuf *m; 4057280084Sadrian int error; 4058173362Sbenjsc 4059278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4060278366Sadrian 4061278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) 4062278366Sadrian return EINVAL; 4063278366Sadrian 4064280084Sadrian m = ieee80211_beacon_alloc(ni, bo); 4065278366Sadrian if (m == NULL) { 4066278366Sadrian device_printf(sc->sc_dev, 4067278366Sadrian "%s: could not allocate beacon frame\n", __func__); 4068278366Sadrian return ENOMEM; 4069173362Sbenjsc } 4070173362Sbenjsc 4071280086Sadrian WPI_VAP_LOCK(wvp); 4072280084Sadrian if (bcn->m != NULL) 4073280084Sadrian m_freem(bcn->m); 4074278366Sadrian 4075278366Sadrian bcn->m = m; 4076278366Sadrian 4077280084Sadrian error = wpi_config_beacon(wvp); 4078280086Sadrian WPI_VAP_UNLOCK(wvp); 4079280084Sadrian 4080280084Sadrian return error; 4081278366Sadrian} 4082278366Sadrian 4083278366Sadrianstatic void 4084278366Sadrianwpi_update_beacon(struct ieee80211vap *vap, int item) 4085278366Sadrian{ 4086280057Sadrian struct wpi_softc *sc = vap->iv_ic->ic_ifp->if_softc; 4087280084Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4088280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4089280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4090278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4091280084Sadrian int mcast = 0; 4092278366Sadrian 4093280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4094280084Sadrian 4095280086Sadrian WPI_VAP_LOCK(wvp); 4096280084Sadrian if (bcn->m == NULL) { 4097280084Sadrian bcn->m = ieee80211_beacon_alloc(ni, bo); 4098280084Sadrian if (bcn->m == NULL) { 4099280084Sadrian device_printf(sc->sc_dev, 4100280084Sadrian "%s: could not allocate beacon frame\n", __func__); 4101280084Sadrian 4102280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, 4103280084Sadrian __func__); 4104280084Sadrian 4105280086Sadrian WPI_VAP_UNLOCK(wvp); 4106280084Sadrian return; 4107280084Sadrian } 4108173362Sbenjsc } 4109280086Sadrian WPI_VAP_UNLOCK(wvp); 4110280084Sadrian 4111280084Sadrian if (item == IEEE80211_BEACON_TIM) 4112280084Sadrian mcast = 1; /* TODO */ 4113280084Sadrian 4114280084Sadrian setbit(bo->bo_flags, item); 4115280084Sadrian ieee80211_beacon_update(ni, bo, bcn->m, mcast); 4116280084Sadrian 4117280086Sadrian WPI_VAP_LOCK(wvp); 4118280084Sadrian wpi_config_beacon(wvp); 4119280086Sadrian WPI_VAP_UNLOCK(wvp); 4120280084Sadrian 4121280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4122278366Sadrian} 4123173362Sbenjsc 4124280079Sadrianstatic void 4125280079Sadrianwpi_newassoc(struct ieee80211_node *ni, int isnew) 4126280079Sadrian{ 4127280079Sadrian struct ieee80211vap *vap = ni->ni_vap; 4128280079Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4129280079Sadrian struct wpi_node *wn = WPI_NODE(ni); 4130280079Sadrian int error; 4131280079Sadrian 4132280079Sadrian WPI_NT_LOCK(sc); 4133280079Sadrian 4134280079Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4135280079Sadrian 4136280079Sadrian if (vap->iv_opmode != IEEE80211_M_STA && wn->id == WPI_ID_UNDEFINED) { 4137280079Sadrian if ((error = wpi_add_ibss_node(sc, ni)) != 0) { 4138280079Sadrian device_printf(sc->sc_dev, 4139280079Sadrian "%s: could not add IBSS node, error %d\n", 4140280079Sadrian __func__, error); 4141280079Sadrian } 4142280079Sadrian } 4143280079Sadrian WPI_NT_UNLOCK(sc); 4144280079Sadrian} 4145280079Sadrian 4146278366Sadrianstatic int 4147278366Sadrianwpi_run(struct wpi_softc *sc, struct ieee80211vap *vap) 4148278366Sadrian{ 4149278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4150278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4151278366Sadrian int error; 4152278366Sadrian 4153278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4154278366Sadrian 4155278366Sadrian if (vap->iv_opmode == IEEE80211_M_MONITOR) { 4156278366Sadrian /* Link LED blinks while monitoring. */ 4157278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 5, 5); 4158278366Sadrian return 0; 4159173362Sbenjsc } 4160278366Sadrian 4161278366Sadrian /* XXX kernel panic workaround */ 4162278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) { 4163278366Sadrian device_printf(sc->sc_dev, "%s: incomplete configuration\n", 4164278366Sadrian __func__); 4165195562Srpaulo return EINVAL; 4166173362Sbenjsc } 4167278366Sadrian 4168278366Sadrian if ((error = wpi_set_timing(sc, ni)) != 0) { 4169278366Sadrian device_printf(sc->sc_dev, 4170278366Sadrian "%s: could not set timing, error %d\n", __func__, error); 4171173362Sbenjsc return error; 4172173362Sbenjsc } 4173173362Sbenjsc 4174278366Sadrian /* Update adapter configuration. */ 4175278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4176278366Sadrian sc->rxon.associd = htole16(IEEE80211_NODE_AID(ni)); 4177278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 4178278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4179278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 4180278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4181278366Sadrian /* Short preamble and slot time are negotiated when associating. */ 4182278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_SHPREAMBLE | WPI_RXON_SHSLOT); 4183278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4184278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4185278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4186278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4187278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 4188278366Sadrian sc->rxon.cck_mask = 0; 4189278366Sadrian sc->rxon.ofdm_mask = 0x15; 4190278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 4191278366Sadrian sc->rxon.cck_mask = 0x03; 4192278366Sadrian sc->rxon.ofdm_mask = 0; 4193278366Sadrian } else { 4194278366Sadrian /* Assume 802.11b/g. */ 4195278366Sadrian sc->rxon.cck_mask = 0x0f; 4196278366Sadrian sc->rxon.ofdm_mask = 0x15; 4197173362Sbenjsc } 4198278366Sadrian sc->rxon.filter |= htole32(WPI_FILTER_BSS); 4199173362Sbenjsc 4200278366Sadrian /* XXX put somewhere HC_QOS_SUPPORT_ASSOC + HC_IBSS_START */ 4201278366Sadrian 4202278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x\n", 4203278366Sadrian sc->rxon.chan, sc->rxon.flags); 4204278366Sadrian 4205278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4206278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4207278366Sadrian __func__); 4208173362Sbenjsc return error; 4209173362Sbenjsc } 4210173362Sbenjsc 4211278366Sadrian if (vap->iv_opmode == IEEE80211_M_IBSS) { 4212278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 4213278366Sadrian device_printf(sc->sc_dev, 4214278366Sadrian "%s: could not setup beacon, error %d\n", __func__, 4215278366Sadrian error); 4216278366Sadrian return error; 4217278366Sadrian } 4218173362Sbenjsc } 4219173362Sbenjsc 4220278366Sadrian if (vap->iv_opmode == IEEE80211_M_STA) { 4221278366Sadrian /* Add BSS node. */ 4222280077Sadrian WPI_NT_LOCK(sc); 4223280070Sadrian error = wpi_add_sta_node(sc, ni); 4224280077Sadrian WPI_NT_UNLOCK(sc); 4225280070Sadrian if (error != 0) { 4226278366Sadrian device_printf(sc->sc_dev, 4227278366Sadrian "%s: could not add BSS node, error %d\n", __func__, 4228278366Sadrian error); 4229278366Sadrian return error; 4230278366Sadrian } 4231278366Sadrian } 4232173362Sbenjsc 4233278366Sadrian /* Link LED always on while associated. */ 4234278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 4235173362Sbenjsc 4236278366Sadrian /* Start periodic calibration timer. */ 4237278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 4238173362Sbenjsc 4239278366Sadrian /* Enable power-saving mode if requested by user. */ 4240278366Sadrian if (vap->iv_flags & IEEE80211_F_PMGTON) 4241278366Sadrian (void)wpi_set_pslevel(sc, 0, 3, 1); 4242278764Sadrian else 4243278764Sadrian (void)wpi_set_pslevel(sc, 0, 0, 1); 4244173362Sbenjsc 4245278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4246173362Sbenjsc 4247278366Sadrian return 0; 4248173362Sbenjsc} 4249173362Sbenjsc 4250173362Sbenjscstatic int 4251280088Sadrianwpi_load_key(struct ieee80211_node *ni, const struct ieee80211_key *k) 4252173362Sbenjsc{ 4253278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4254280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4255280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4256280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4257278366Sadrian struct wpi_node_info node; 4258278366Sadrian uint16_t kflags; 4259278366Sadrian int error; 4260173362Sbenjsc 4261278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4262173362Sbenjsc 4263280088Sadrian if (wpi_check_node_entry(sc, wn->id) == 0) { 4264280088Sadrian device_printf(sc->sc_dev, "%s: node does not exist\n", 4265280088Sadrian __func__); 4266280088Sadrian return 0; 4267280088Sadrian } 4268280088Sadrian 4269278366Sadrian switch (cip->ic_cipher) { 4270278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4271278366Sadrian kflags = WPI_KFLAG_CCMP; 4272278366Sadrian break; 4273280088Sadrian 4274278366Sadrian default: 4275280088Sadrian device_printf(sc->sc_dev, "%s: unknown cipher %d\n", __func__, 4276280088Sadrian cip->ic_cipher); 4277280088Sadrian return 0; 4278278366Sadrian } 4279173362Sbenjsc 4280278366Sadrian kflags |= WPI_KFLAG_KID(k->wk_keyix); 4281278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4282278366Sadrian kflags |= WPI_KFLAG_MULTICAST; 4283173362Sbenjsc 4284278366Sadrian memset(&node, 0, sizeof node); 4285278366Sadrian node.id = wn->id; 4286278366Sadrian node.control = WPI_NODE_UPDATE; 4287278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4288278366Sadrian node.kflags = htole16(kflags); 4289278366Sadrian memcpy(node.key, k->wk_key, k->wk_keylen); 4290280088Sadrianagain: 4291280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, 4292280088Sadrian "%s: setting %s key id %d for node %d (%s)\n", __func__, 4293280088Sadrian (kflags & WPI_KFLAG_MULTICAST) ? "group" : "ucast", k->wk_keyix, 4294280088Sadrian node.id, ether_sprintf(ni->ni_macaddr)); 4295173362Sbenjsc 4296278366Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4297278366Sadrian if (error != 0) { 4298278366Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4299278366Sadrian error); 4300280088Sadrian return !error; 4301173362Sbenjsc } 4302173362Sbenjsc 4303280088Sadrian if (!(kflags & WPI_KFLAG_MULTICAST) && &vap->iv_nw_keys[0] <= k && 4304280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4305280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4306280088Sadrian node.kflags = htole16(kflags); 4307280088Sadrian 4308280088Sadrian goto again; 4309280088Sadrian } 4310280088Sadrian 4311278366Sadrian return 1; 4312173362Sbenjsc} 4313173362Sbenjsc 4314280088Sadrianstatic void 4315280088Sadrianwpi_load_key_cb(void *arg, struct ieee80211_node *ni) 4316280088Sadrian{ 4317280088Sadrian const struct ieee80211_key *k = arg; 4318280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4319280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4320280088Sadrian struct wpi_node *wn = WPI_NODE(ni); 4321280088Sadrian int error; 4322280088Sadrian 4323280088Sadrian if (vap->iv_bss == ni && wn->id == WPI_ID_UNDEFINED) 4324280088Sadrian return; 4325280088Sadrian 4326280088Sadrian WPI_NT_LOCK(sc); 4327280088Sadrian error = wpi_load_key(ni, k); 4328280088Sadrian WPI_NT_UNLOCK(sc); 4329280088Sadrian 4330280088Sadrian if (error == 0) { 4331280088Sadrian device_printf(sc->sc_dev, "%s: error while setting key\n", 4332280088Sadrian __func__); 4333280088Sadrian } 4334280088Sadrian} 4335280088Sadrian 4336278366Sadrianstatic int 4337280088Sadrianwpi_set_global_keys(struct ieee80211_node *ni) 4338173362Sbenjsc{ 4339280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4340280088Sadrian struct ieee80211_key *wk = &vap->iv_nw_keys[0]; 4341280088Sadrian int error = 1; 4342280088Sadrian 4343280088Sadrian for (; wk < &vap->iv_nw_keys[IEEE80211_WEP_NKID] && error; wk++) 4344280088Sadrian if (wk->wk_keyix != IEEE80211_KEYIX_NONE) 4345280088Sadrian error = wpi_load_key(ni, wk); 4346280088Sadrian 4347280088Sadrian return !error; 4348280088Sadrian} 4349280088Sadrian 4350280088Sadrianstatic int 4351280088Sadrianwpi_del_key(struct ieee80211_node *ni, const struct ieee80211_key *k) 4352280088Sadrian{ 4353280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4354280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4355280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4356278366Sadrian struct wpi_node_info node; 4357280088Sadrian uint16_t kflags; 4358280088Sadrian int error; 4359173362Sbenjsc 4360278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4361173362Sbenjsc 4362280088Sadrian if (wpi_check_node_entry(sc, wn->id) == 0) { 4363280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: node was removed\n", __func__); 4364280088Sadrian return 1; /* Nothing to do. */ 4365278366Sadrian } 4366173362Sbenjsc 4367280088Sadrian kflags = WPI_KFLAG_KID(k->wk_keyix); 4368280088Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4369280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4370173362Sbenjsc 4371278366Sadrian memset(&node, 0, sizeof node); 4372278366Sadrian node.id = wn->id; 4373278366Sadrian node.control = WPI_NODE_UPDATE; 4374278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4375280088Sadrian node.kflags = htole16(kflags); 4376280088Sadrianagain: 4377280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: deleting %s key %d for node %d (%s)\n", 4378280088Sadrian __func__, (kflags & WPI_KFLAG_MULTICAST) ? "group" : "ucast", 4379280088Sadrian k->wk_keyix, node.id, ether_sprintf(ni->ni_macaddr)); 4380173362Sbenjsc 4381280088Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4382280088Sadrian if (error != 0) { 4383280088Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4384280088Sadrian error); 4385280088Sadrian return !error; 4386280088Sadrian } 4387173362Sbenjsc 4388280088Sadrian if (!(kflags & WPI_KFLAG_MULTICAST) && &vap->iv_nw_keys[0] <= k && 4389280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4390280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4391280088Sadrian node.kflags = htole16(kflags); 4392280088Sadrian 4393280088Sadrian goto again; 4394280088Sadrian } 4395280088Sadrian 4396278366Sadrian return 1; 4397173362Sbenjsc} 4398173362Sbenjsc 4399280088Sadrianstatic void 4400280088Sadrianwpi_del_key_cb(void *arg, struct ieee80211_node *ni) 4401280088Sadrian{ 4402280088Sadrian const struct ieee80211_key *k = arg; 4403280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4404280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4405280088Sadrian struct wpi_node *wn = WPI_NODE(ni); 4406280088Sadrian int error; 4407280088Sadrian 4408280088Sadrian if (vap->iv_bss == ni && wn->id == WPI_ID_UNDEFINED) 4409280088Sadrian return; 4410280088Sadrian 4411280088Sadrian WPI_NT_LOCK(sc); 4412280088Sadrian error = wpi_del_key(ni, k); 4413280088Sadrian WPI_NT_UNLOCK(sc); 4414280088Sadrian 4415280088Sadrian if (error == 0) { 4416280088Sadrian device_printf(sc->sc_dev, "%s: error while deleting key\n", 4417280088Sadrian __func__); 4418280088Sadrian } 4419280088Sadrian} 4420280088Sadrian 4421280088Sadrianstatic int 4422280088Sadrianwpi_process_key(struct ieee80211vap *vap, const struct ieee80211_key *k, 4423280088Sadrian int set) 4424280088Sadrian{ 4425280088Sadrian struct ieee80211com *ic = vap->iv_ic; 4426280088Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4427280088Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4428280088Sadrian struct ieee80211_node *ni; 4429280088Sadrian int error, ni_ref = 0; 4430280088Sadrian 4431280088Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4432280088Sadrian 4433280088Sadrian if (k->wk_flags & IEEE80211_KEY_SWCRYPT) { 4434280088Sadrian /* Not for us. */ 4435280088Sadrian return 1; 4436280088Sadrian } 4437280088Sadrian 4438280088Sadrian if (!(k->wk_flags & IEEE80211_KEY_RECV)) { 4439280088Sadrian /* XMIT keys are handled in wpi_tx_data(). */ 4440280088Sadrian return 1; 4441280088Sadrian } 4442280088Sadrian 4443280088Sadrian /* Handle group keys. */ 4444280088Sadrian if (&vap->iv_nw_keys[0] <= k && 4445280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4446280088Sadrian WPI_NT_LOCK(sc); 4447280088Sadrian if (set) 4448280088Sadrian wvp->wv_gtk |= WPI_VAP_KEY(k->wk_keyix); 4449280088Sadrian else 4450280088Sadrian wvp->wv_gtk &= ~WPI_VAP_KEY(k->wk_keyix); 4451280088Sadrian WPI_NT_UNLOCK(sc); 4452280088Sadrian 4453280088Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 4454280088Sadrian ieee80211_iterate_nodes(&ic->ic_sta, 4455280088Sadrian set ? wpi_load_key_cb : wpi_del_key_cb, (void *)k); 4456280088Sadrian } 4457280088Sadrian 4458280088Sadrian return 1; 4459280088Sadrian } 4460280088Sadrian 4461280088Sadrian switch (vap->iv_opmode) { 4462280088Sadrian case IEEE80211_M_STA: 4463280088Sadrian ni = vap->iv_bss; 4464280088Sadrian break; 4465280088Sadrian 4466280088Sadrian case IEEE80211_M_IBSS: 4467280088Sadrian case IEEE80211_M_AHDEMO: 4468280088Sadrian ni = ieee80211_find_vap_node(&ic->ic_sta, vap, k->wk_macaddr); 4469280088Sadrian if (ni == NULL) 4470280088Sadrian return 0; /* should not happen */ 4471280088Sadrian 4472280088Sadrian ni_ref = 1; 4473280088Sadrian break; 4474280088Sadrian 4475280088Sadrian default: 4476280088Sadrian device_printf(sc->sc_dev, "%s: unknown opmode %d\n", __func__, 4477280088Sadrian vap->iv_opmode); 4478280088Sadrian return 0; 4479280088Sadrian } 4480280088Sadrian 4481280088Sadrian WPI_NT_LOCK(sc); 4482280088Sadrian if (set) 4483280088Sadrian error = wpi_load_key(ni, k); 4484280088Sadrian else 4485280088Sadrian error = wpi_del_key(ni, k); 4486280088Sadrian WPI_NT_UNLOCK(sc); 4487280088Sadrian 4488280088Sadrian if (ni_ref) 4489280088Sadrian ieee80211_node_decref(ni); 4490280088Sadrian 4491280088Sadrian return error; 4492280088Sadrian} 4493280088Sadrian 4494280088Sadrianstatic int 4495280088Sadrianwpi_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k, 4496280088Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 4497280088Sadrian{ 4498280088Sadrian return wpi_process_key(vap, k, 1); 4499280088Sadrian} 4500280088Sadrian 4501280088Sadrianstatic int 4502280088Sadrianwpi_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 4503280088Sadrian{ 4504280088Sadrian return wpi_process_key(vap, k, 0); 4505280088Sadrian} 4506280088Sadrian 4507278366Sadrian/* 4508278366Sadrian * This function is called after the runtime firmware notifies us of its 4509278366Sadrian * readiness (called in a process context). 4510278366Sadrian */ 4511278366Sadrianstatic int 4512278366Sadrianwpi_post_alive(struct wpi_softc *sc) 4513177043Sthompsa{ 4514278366Sadrian int ntries, error; 4515177043Sthompsa 4516278366Sadrian /* Check (again) that the radio is not disabled. */ 4517278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4518278366Sadrian return error; 4519177043Sthompsa 4520278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4521278366Sadrian 4522278366Sadrian /* NB: Runtime firmware must be up and running. */ 4523278366Sadrian if (!(wpi_prph_read(sc, WPI_APMG_RFKILL) & 1)) { 4524278366Sadrian device_printf(sc->sc_dev, 4525278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4526278366Sadrian wpi_nic_unlock(sc); 4527278366Sadrian return EPERM; /* :-) */ 4528278366Sadrian } 4529278366Sadrian wpi_nic_unlock(sc); 4530278366Sadrian 4531278366Sadrian /* Wait for thermal sensor to calibrate. */ 4532177043Sthompsa for (ntries = 0; ntries < 1000; ntries++) { 4533278366Sadrian if ((sc->temp = (int)WPI_READ(sc, WPI_UCODE_GP2)) != 0) 4534177043Sthompsa break; 4535177043Sthompsa DELAY(10); 4536177043Sthompsa } 4537177043Sthompsa 4538177043Sthompsa if (ntries == 1000) { 4539177043Sthompsa device_printf(sc->sc_dev, 4540278366Sadrian "timeout waiting for thermal sensor calibration\n"); 4541280059Sadrian return ETIMEDOUT; 4542280059Sadrian } 4543177043Sthompsa 4544280059Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d\n", sc->temp); 4545280059Sadrian return 0; 4546278366Sadrian} 4547177043Sthompsa 4548278366Sadrian/* 4549278366Sadrian * The firmware boot code is small and is intended to be copied directly into 4550278366Sadrian * the NIC internal memory (no DMA transfer). 4551278366Sadrian */ 4552278366Sadrianstatic int 4553278366Sadrianwpi_load_bootcode(struct wpi_softc *sc, const uint8_t *ucode, int size) 4554278366Sadrian{ 4555278366Sadrian int error, ntries; 4556177043Sthompsa 4557278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, "Loading microcode size 0x%x\n", size); 4558278366Sadrian 4559278366Sadrian size /= sizeof (uint32_t); 4560278366Sadrian 4561278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4562278366Sadrian return error; 4563278366Sadrian 4564278366Sadrian /* Copy microcode image into NIC memory. */ 4565278366Sadrian wpi_prph_write_region_4(sc, WPI_BSM_SRAM_BASE, 4566278366Sadrian (const uint32_t *)ucode, size); 4567278366Sadrian 4568278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_SRC, 0); 4569278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_DST, WPI_FW_TEXT_BASE); 4570278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_DWCOUNT, size); 4571278366Sadrian 4572278366Sadrian /* Start boot load now. */ 4573278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START); 4574278366Sadrian 4575278366Sadrian /* Wait for transfer to complete. */ 4576278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 4577278366Sadrian uint32_t status = WPI_READ(sc, WPI_FH_TX_STATUS); 4578278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4579278366Sadrian "firmware status=0x%x, val=0x%x, result=0x%x\n", status, 4580278366Sadrian WPI_FH_TX_STATUS_IDLE(6), 4581278366Sadrian status & WPI_FH_TX_STATUS_IDLE(6)); 4582278366Sadrian if (status & WPI_FH_TX_STATUS_IDLE(6)) { 4583278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4584278366Sadrian "Status Match! - ntries = %d\n", ntries); 4585278366Sadrian break; 4586178354Ssam } 4587278366Sadrian DELAY(10); 4588177043Sthompsa } 4589278366Sadrian if (ntries == 1000) { 4590278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4591278366Sadrian __func__); 4592278366Sadrian wpi_nic_unlock(sc); 4593278366Sadrian return ETIMEDOUT; 4594278366Sadrian } 4595177043Sthompsa 4596278366Sadrian /* Enable boot after power up. */ 4597278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START_EN); 4598278366Sadrian 4599278366Sadrian wpi_nic_unlock(sc); 4600278366Sadrian return 0; 4601177043Sthompsa} 4602177043Sthompsa 4603278366Sadrianstatic int 4604278366Sadrianwpi_load_firmware(struct wpi_softc *sc) 4605177043Sthompsa{ 4606278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4607278366Sadrian struct wpi_dma_info *dma = &sc->fw_dma; 4608278366Sadrian int error; 4609173362Sbenjsc 4610278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4611173362Sbenjsc 4612278366Sadrian /* Copy initialization sections into pre-allocated DMA-safe memory. */ 4613278366Sadrian memcpy(dma->vaddr, fw->init.data, fw->init.datasz); 4614278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4615278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->init.text, fw->init.textsz); 4616278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4617173362Sbenjsc 4618278366Sadrian /* Tell adapter where to find initialization sections. */ 4619278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4620278366Sadrian return error; 4621278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4622278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->init.datasz); 4623278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4624278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4625278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, fw->init.textsz); 4626278366Sadrian wpi_nic_unlock(sc); 4627173362Sbenjsc 4628278366Sadrian /* Load firmware boot code. */ 4629278366Sadrian error = wpi_load_bootcode(sc, fw->boot.text, fw->boot.textsz); 4630278366Sadrian if (error != 0) { 4631278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4632278366Sadrian __func__); 4633278366Sadrian return error; 4634278366Sadrian } 4635173362Sbenjsc 4636278366Sadrian /* Now press "execute". */ 4637278366Sadrian WPI_WRITE(sc, WPI_RESET, 0); 4638173362Sbenjsc 4639278366Sadrian /* Wait at most one second for first alive notification. */ 4640280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4641278366Sadrian device_printf(sc->sc_dev, 4642278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4643278366Sadrian __func__, error); 4644278366Sadrian return error; 4645173362Sbenjsc } 4646173362Sbenjsc 4647278366Sadrian /* Copy runtime sections into pre-allocated DMA-safe memory. */ 4648278366Sadrian memcpy(dma->vaddr, fw->main.data, fw->main.datasz); 4649278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4650278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->main.text, fw->main.textsz); 4651278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4652173362Sbenjsc 4653278366Sadrian /* Tell adapter where to find runtime sections. */ 4654278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4655278366Sadrian return error; 4656278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4657278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->main.datasz); 4658278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4659278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4660278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, 4661278366Sadrian WPI_FW_UPDATED | fw->main.textsz); 4662278366Sadrian wpi_nic_unlock(sc); 4663173362Sbenjsc 4664278366Sadrian return 0; 4665278366Sadrian} 4666173362Sbenjsc 4667278366Sadrianstatic int 4668278366Sadrianwpi_read_firmware(struct wpi_softc *sc) 4669278366Sadrian{ 4670278366Sadrian const struct firmware *fp; 4671278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4672278366Sadrian const struct wpi_firmware_hdr *hdr; 4673278366Sadrian int error; 4674173362Sbenjsc 4675278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4676278366Sadrian 4677278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4678278366Sadrian "Attempting Loading Firmware from %s module\n", WPI_FW_NAME); 4679278366Sadrian 4680278366Sadrian WPI_UNLOCK(sc); 4681278366Sadrian fp = firmware_get(WPI_FW_NAME); 4682278366Sadrian WPI_LOCK(sc); 4683278366Sadrian 4684278366Sadrian if (fp == NULL) { 4685278366Sadrian device_printf(sc->sc_dev, 4686278366Sadrian "could not load firmware image '%s'\n", WPI_FW_NAME); 4687278366Sadrian return EINVAL; 4688173362Sbenjsc } 4689173362Sbenjsc 4690278366Sadrian sc->fw_fp = fp; 4691173362Sbenjsc 4692278366Sadrian if (fp->datasize < sizeof (struct wpi_firmware_hdr)) { 4693278366Sadrian device_printf(sc->sc_dev, 4694278366Sadrian "firmware file too short: %zu bytes\n", fp->datasize); 4695278366Sadrian error = EINVAL; 4696278366Sadrian goto fail; 4697173362Sbenjsc } 4698173362Sbenjsc 4699278366Sadrian fw->size = fp->datasize; 4700278366Sadrian fw->data = (const uint8_t *)fp->data; 4701278366Sadrian 4702278366Sadrian /* Extract firmware header information. */ 4703278366Sadrian hdr = (const struct wpi_firmware_hdr *)fw->data; 4704278366Sadrian 4705278366Sadrian /* | RUNTIME FIRMWARE | INIT FIRMWARE | BOOT FW | 4706278366Sadrian |HDR|<--TEXT-->|<--DATA-->|<--TEXT-->|<--DATA-->|<--TEXT-->| */ 4707278366Sadrian 4708278366Sadrian fw->main.textsz = le32toh(hdr->rtextsz); 4709278366Sadrian fw->main.datasz = le32toh(hdr->rdatasz); 4710278366Sadrian fw->init.textsz = le32toh(hdr->itextsz); 4711278366Sadrian fw->init.datasz = le32toh(hdr->idatasz); 4712278366Sadrian fw->boot.textsz = le32toh(hdr->btextsz); 4713278366Sadrian fw->boot.datasz = 0; 4714278366Sadrian 4715278366Sadrian /* Sanity-check firmware header. */ 4716278366Sadrian if (fw->main.textsz > WPI_FW_TEXT_MAXSZ || 4717278366Sadrian fw->main.datasz > WPI_FW_DATA_MAXSZ || 4718278366Sadrian fw->init.textsz > WPI_FW_TEXT_MAXSZ || 4719278366Sadrian fw->init.datasz > WPI_FW_DATA_MAXSZ || 4720278366Sadrian fw->boot.textsz > WPI_FW_BOOT_TEXT_MAXSZ || 4721278366Sadrian (fw->boot.textsz & 3) != 0) { 4722278366Sadrian device_printf(sc->sc_dev, "invalid firmware header\n"); 4723278366Sadrian error = EINVAL; 4724278366Sadrian goto fail; 4725173362Sbenjsc } 4726173362Sbenjsc 4727278366Sadrian /* Check that all firmware sections fit. */ 4728278366Sadrian if (fw->size < sizeof (*hdr) + fw->main.textsz + fw->main.datasz + 4729278366Sadrian fw->init.textsz + fw->init.datasz + fw->boot.textsz) { 4730173362Sbenjsc device_printf(sc->sc_dev, 4731278366Sadrian "firmware file too short: %zu bytes\n", fw->size); 4732278366Sadrian error = EINVAL; 4733278366Sadrian goto fail; 4734173362Sbenjsc } 4735173362Sbenjsc 4736278366Sadrian /* Get pointers to firmware sections. */ 4737278366Sadrian fw->main.text = (const uint8_t *)(hdr + 1); 4738278366Sadrian fw->main.data = fw->main.text + fw->main.textsz; 4739278366Sadrian fw->init.text = fw->main.data + fw->main.datasz; 4740278366Sadrian fw->init.data = fw->init.text + fw->init.textsz; 4741278366Sadrian fw->boot.text = fw->init.data + fw->init.datasz; 4742177043Sthompsa 4743278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4744278366Sadrian "Firmware Version: Major %d, Minor %d, Driver %d, \n" 4745280066Sadrian "runtime (text: %u, data: %u) init (text: %u, data %u) " 4746280066Sadrian "boot (text %u)\n", hdr->major, hdr->minor, le32toh(hdr->driver), 4747278366Sadrian fw->main.textsz, fw->main.datasz, 4748278366Sadrian fw->init.textsz, fw->init.datasz, fw->boot.textsz); 4749278366Sadrian 4750278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.text %p\n", fw->main.text); 4751278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.data %p\n", fw->main.data); 4752278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.text %p\n", fw->init.text); 4753278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.data %p\n", fw->init.data); 4754278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->boot.text %p\n", fw->boot.text); 4755278366Sadrian 4756278366Sadrian return 0; 4757278366Sadrian 4758278366Sadrianfail: wpi_unload_firmware(sc); 4759278366Sadrian return error; 4760173362Sbenjsc} 4761173362Sbenjsc 4762278366Sadrian/** 4763278366Sadrian * Free the referenced firmware image 4764278366Sadrian */ 4765173362Sbenjscstatic void 4766278366Sadrianwpi_unload_firmware(struct wpi_softc *sc) 4767173362Sbenjsc{ 4768278366Sadrian if (sc->fw_fp != NULL) { 4769278366Sadrian firmware_put(sc->fw_fp, FIRMWARE_UNLOAD); 4770278366Sadrian sc->fw_fp = NULL; 4771278366Sadrian } 4772278366Sadrian} 4773173362Sbenjsc 4774278366Sadrianstatic int 4775278366Sadrianwpi_clock_wait(struct wpi_softc *sc) 4776278366Sadrian{ 4777278366Sadrian int ntries; 4778173362Sbenjsc 4779278366Sadrian /* Set "initialization complete" bit. */ 4780278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4781278366Sadrian 4782278366Sadrian /* Wait for clock stabilization. */ 4783278366Sadrian for (ntries = 0; ntries < 2500; ntries++) { 4784278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_MAC_CLOCK_READY) 4785278366Sadrian return 0; 4786278366Sadrian DELAY(100); 4787278366Sadrian } 4788278366Sadrian device_printf(sc->sc_dev, 4789278366Sadrian "%s: timeout waiting for clock stabilization\n", __func__); 4790278366Sadrian 4791278366Sadrian return ETIMEDOUT; 4792173362Sbenjsc} 4793178354Ssam 4794278366Sadrianstatic int 4795278366Sadrianwpi_apm_init(struct wpi_softc *sc) 4796173362Sbenjsc{ 4797278366Sadrian uint32_t reg; 4798278366Sadrian int error; 4799173362Sbenjsc 4800278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4801173362Sbenjsc 4802278366Sadrian /* Disable L0s exit timer (NMI bug workaround). */ 4803278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_DIS_L0S_TIMER); 4804278366Sadrian /* Don't wait for ICH L0s (ICH bug workaround). */ 4805278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_L1A_NO_L0S_RX); 4806173362Sbenjsc 4807278366Sadrian /* Set FH wait threshold to max (HW bug under stress workaround). */ 4808278366Sadrian WPI_SETBITS(sc, WPI_DBG_HPET_MEM, 0xffff0000); 4809173362Sbenjsc 4810278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 4811278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 4812278366Sadrian /* Workaround for HW instability in PCIe L0->L0s->L1 transition. */ 4813278366Sadrian if (reg & 0x02) /* L1 Entry enabled. */ 4814278366Sadrian WPI_SETBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4815278366Sadrian else 4816278366Sadrian WPI_CLRBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4817173362Sbenjsc 4818278366Sadrian WPI_SETBITS(sc, WPI_ANA_PLL, WPI_ANA_PLL_INIT); 4819173362Sbenjsc 4820278366Sadrian /* Wait for clock stabilization before accessing prph. */ 4821278366Sadrian if ((error = wpi_clock_wait(sc)) != 0) 4822278366Sadrian return error; 4823173362Sbenjsc 4824278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4825278366Sadrian return error; 4826278366Sadrian /* Enable DMA and BSM (Bootstrap State Machine). */ 4827278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_EN, 4828278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT | WPI_APMG_CLK_CTRL_BSM_CLK_RQT); 4829278366Sadrian DELAY(20); 4830278366Sadrian /* Disable L1-Active. */ 4831278366Sadrian wpi_prph_setbits(sc, WPI_APMG_PCI_STT, WPI_APMG_PCI_STT_L1A_DIS); 4832278764Sadrian /* ??? */ 4833278764Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, 0x00000E00); 4834278366Sadrian wpi_nic_unlock(sc); 4835173362Sbenjsc 4836278366Sadrian return 0; 4837278366Sadrian} 4838173362Sbenjsc 4839278366Sadrianstatic void 4840278366Sadrianwpi_apm_stop_master(struct wpi_softc *sc) 4841278366Sadrian{ 4842278366Sadrian int ntries; 4843278366Sadrian 4844278366Sadrian /* Stop busmaster DMA activity. */ 4845278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_STOP_MASTER); 4846278366Sadrian 4847278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_PS_MASK) == 4848278366Sadrian WPI_GP_CNTRL_MAC_PS) 4849278366Sadrian return; /* Already asleep. */ 4850278366Sadrian 4851278366Sadrian for (ntries = 0; ntries < 100; ntries++) { 4852278366Sadrian if (WPI_READ(sc, WPI_RESET) & WPI_RESET_MASTER_DISABLED) 4853278366Sadrian return; 4854278366Sadrian DELAY(10); 4855278366Sadrian } 4856280066Sadrian device_printf(sc->sc_dev, "%s: timeout waiting for master\n", 4857280066Sadrian __func__); 4858173362Sbenjsc} 4859173362Sbenjsc 4860173362Sbenjscstatic void 4861278366Sadrianwpi_apm_stop(struct wpi_softc *sc) 4862173362Sbenjsc{ 4863278366Sadrian wpi_apm_stop_master(sc); 4864278366Sadrian 4865278366Sadrian /* Reset the entire device. */ 4866278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_SW); 4867278366Sadrian DELAY(10); 4868278366Sadrian /* Clear "initialization complete" bit. */ 4869278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4870173362Sbenjsc} 4871173362Sbenjsc 4872173362Sbenjscstatic void 4873278366Sadrianwpi_nic_config(struct wpi_softc *sc) 4874173362Sbenjsc{ 4875278366Sadrian uint32_t rev; 4876173362Sbenjsc 4877278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4878177043Sthompsa 4879278366Sadrian /* voodoo from the Linux "driver".. */ 4880278366Sadrian rev = pci_read_config(sc->sc_dev, PCIR_REVID, 1); 4881278366Sadrian if ((rev & 0xc0) == 0x40) 4882278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MB); 4883278366Sadrian else if (!(rev & 0x80)) 4884278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MM); 4885173362Sbenjsc 4886278366Sadrian if (sc->cap == 0x80) 4887278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_SKU_MRC); 4888173362Sbenjsc 4889280076Sadrian if ((sc->rev & 0xf0) == 0xd0) 4890278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4891278366Sadrian else 4892278366Sadrian WPI_CLRBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4893278366Sadrian 4894278366Sadrian if (sc->type > 1) 4895278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_TYPE_B); 4896173362Sbenjsc} 4897173362Sbenjsc 4898278366Sadrianstatic int 4899278366Sadrianwpi_hw_init(struct wpi_softc *sc) 4900173362Sbenjsc{ 4901278366Sadrian int chnl, ntries, error; 4902178354Ssam 4903278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4904278366Sadrian 4905278366Sadrian /* Clear pending interrupts. */ 4906278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4907278366Sadrian 4908278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 4909278366Sadrian device_printf(sc->sc_dev, 4910278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 4911278366Sadrian error); 4912278366Sadrian return error; 4913173362Sbenjsc } 4914173362Sbenjsc 4915278366Sadrian /* Select VMAIN power source. */ 4916278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4917278366Sadrian return error; 4918278366Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, WPI_APMG_PS_PWR_SRC_MASK); 4919278366Sadrian wpi_nic_unlock(sc); 4920278366Sadrian /* Spin until VMAIN gets selected. */ 4921278366Sadrian for (ntries = 0; ntries < 5000; ntries++) { 4922278366Sadrian if (WPI_READ(sc, WPI_GPIO_IN) & WPI_GPIO_IN_VMAIN) 4923278366Sadrian break; 4924278366Sadrian DELAY(10); 4925278366Sadrian } 4926278366Sadrian if (ntries == 5000) { 4927278366Sadrian device_printf(sc->sc_dev, "timeout selecting power source\n"); 4928278366Sadrian return ETIMEDOUT; 4929278366Sadrian } 4930173362Sbenjsc 4931278366Sadrian /* Perform adapter initialization. */ 4932278366Sadrian wpi_nic_config(sc); 4933173362Sbenjsc 4934278366Sadrian /* Initialize RX ring. */ 4935278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4936278366Sadrian return error; 4937278366Sadrian /* Set physical address of RX ring. */ 4938278366Sadrian WPI_WRITE(sc, WPI_FH_RX_BASE, sc->rxq.desc_dma.paddr); 4939278366Sadrian /* Set physical address of RX read pointer. */ 4940278366Sadrian WPI_WRITE(sc, WPI_FH_RX_RPTR_ADDR, sc->shared_dma.paddr + 4941278366Sadrian offsetof(struct wpi_shared, next)); 4942278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, 0); 4943278366Sadrian /* Enable RX. */ 4944278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 4945278366Sadrian WPI_FH_RX_CONFIG_DMA_ENA | 4946278366Sadrian WPI_FH_RX_CONFIG_RDRBD_ENA | 4947278366Sadrian WPI_FH_RX_CONFIG_WRSTATUS_ENA | 4948278366Sadrian WPI_FH_RX_CONFIG_MAXFRAG | 4949278366Sadrian WPI_FH_RX_CONFIG_NRBD(WPI_RX_RING_COUNT_LOG) | 4950278366Sadrian WPI_FH_RX_CONFIG_IRQ_DST_HOST | 4951278366Sadrian WPI_FH_RX_CONFIG_IRQ_TIMEOUT(1)); 4952278366Sadrian (void)WPI_READ(sc, WPI_FH_RSSR_TBL); /* barrier */ 4953278366Sadrian wpi_nic_unlock(sc); 4954278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, (WPI_RX_RING_COUNT - 1) & ~7); 4955173362Sbenjsc 4956278366Sadrian /* Initialize TX rings. */ 4957278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4958278366Sadrian return error; 4959278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 2); /* bypass mode */ 4960278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_ARASTAT, 1); /* enable RA0 */ 4961278366Sadrian /* Enable all 6 TX rings. */ 4962278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0x3f); 4963278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE1, 0x10000); 4964278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE2, 0x30002); 4965278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF4MF, 4); 4966278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF5MF, 5); 4967278366Sadrian /* Set physical address of TX rings. */ 4968278366Sadrian WPI_WRITE(sc, WPI_FH_TX_BASE, sc->shared_dma.paddr); 4969278366Sadrian WPI_WRITE(sc, WPI_FH_MSG_CONFIG, 0xffff05a5); 4970278366Sadrian 4971278366Sadrian /* Enable all DMA channels. */ 4972278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 4973278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_CTRL(chnl), 0); 4974278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_BASE(chnl), 0); 4975278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0x80200008); 4976173362Sbenjsc } 4977278366Sadrian wpi_nic_unlock(sc); 4978278366Sadrian (void)WPI_READ(sc, WPI_FH_TX_BASE); /* barrier */ 4979278366Sadrian 4980278366Sadrian /* Clear "radio off" and "commands blocked" bits. */ 4981278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4982278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_CMD_BLOCKED); 4983278366Sadrian 4984278366Sadrian /* Clear pending interrupts. */ 4985278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4986278366Sadrian /* Enable interrupts. */ 4987278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 4988278366Sadrian 4989278366Sadrian /* _Really_ make sure "radio off" bit is cleared! */ 4990278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4991278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 4992278366Sadrian 4993278366Sadrian if ((error = wpi_load_firmware(sc)) != 0) { 4994278366Sadrian device_printf(sc->sc_dev, 4995278366Sadrian "%s: could not load firmware, error %d\n", __func__, 4996278366Sadrian error); 4997278366Sadrian return error; 4998278366Sadrian } 4999278366Sadrian /* Wait at most one second for firmware alive notification. */ 5000280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 5001278366Sadrian device_printf(sc->sc_dev, 5002278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 5003278366Sadrian __func__, error); 5004278366Sadrian return error; 5005278366Sadrian } 5006278366Sadrian 5007278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 5008278366Sadrian 5009278366Sadrian /* Do post-firmware initialization. */ 5010278366Sadrian return wpi_post_alive(sc); 5011173362Sbenjsc} 5012173362Sbenjsc 5013173362Sbenjscstatic void 5014278366Sadrianwpi_hw_stop(struct wpi_softc *sc) 5015173362Sbenjsc{ 5016278366Sadrian int chnl, qid, ntries; 5017173362Sbenjsc 5018278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5019173362Sbenjsc 5020278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) 5021278366Sadrian wpi_nic_lock(sc); 5022173362Sbenjsc 5023278366Sadrian WPI_WRITE(sc, WPI_RESET, WPI_RESET_NEVO); 5024173362Sbenjsc 5025278366Sadrian /* Disable interrupts. */ 5026278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 5027278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5028278366Sadrian WPI_WRITE(sc, WPI_FH_INT, 0xffffffff); 5029173362Sbenjsc 5030278366Sadrian /* Make sure we no longer hold the NIC lock. */ 5031278366Sadrian wpi_nic_unlock(sc); 5032173362Sbenjsc 5033278366Sadrian if (wpi_nic_lock(sc) == 0) { 5034278366Sadrian /* Stop TX scheduler. */ 5035278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 0); 5036278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0); 5037179957Sthompsa 5038278366Sadrian /* Stop all DMA channels. */ 5039278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 5040278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0); 5041278366Sadrian for (ntries = 0; ntries < 200; ntries++) { 5042278366Sadrian if (WPI_READ(sc, WPI_FH_TX_STATUS) & 5043278366Sadrian WPI_FH_TX_STATUS_IDLE(chnl)) 5044278366Sadrian break; 5045278366Sadrian DELAY(10); 5046278366Sadrian } 5047173362Sbenjsc } 5048278366Sadrian wpi_nic_unlock(sc); 5049278366Sadrian } 5050173362Sbenjsc 5051278366Sadrian /* Stop RX ring. */ 5052278366Sadrian wpi_reset_rx_ring(sc); 5053173362Sbenjsc 5054278366Sadrian /* Reset all TX rings. */ 5055278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 5056278366Sadrian wpi_reset_tx_ring(sc, &sc->txq[qid]); 5057173362Sbenjsc 5058278366Sadrian if (wpi_nic_lock(sc) == 0) { 5059278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 5060278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT); 5061278366Sadrian wpi_nic_unlock(sc); 5062173362Sbenjsc } 5063278366Sadrian DELAY(5); 5064278366Sadrian /* Power OFF adapter. */ 5065278366Sadrian wpi_apm_stop(sc); 5066173362Sbenjsc} 5067173362Sbenjsc 5068173362Sbenjscstatic void 5069278366Sadrianwpi_radio_on(void *arg0, int pending) 5070173362Sbenjsc{ 5071278366Sadrian struct wpi_softc *sc = arg0; 5072278366Sadrian struct ifnet *ifp = sc->sc_ifp; 5073278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 5074278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5075173362Sbenjsc 5076278366Sadrian device_printf(sc->sc_dev, "RF switch: radio enabled\n"); 5077173362Sbenjsc 5078278366Sadrian if (vap != NULL) { 5079278366Sadrian wpi_init(sc); 5080278366Sadrian ieee80211_init(vap); 5081278366Sadrian } 5082173362Sbenjsc 5083278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL) { 5084278366Sadrian WPI_LOCK(sc); 5085278366Sadrian callout_stop(&sc->watchdog_rfkill); 5086278366Sadrian WPI_UNLOCK(sc); 5087173362Sbenjsc } 5088173362Sbenjsc} 5089173362Sbenjsc 5090278366Sadrianstatic void 5091278366Sadrianwpi_radio_off(void *arg0, int pending) 5092173362Sbenjsc{ 5093278366Sadrian struct wpi_softc *sc = arg0; 5094178354Ssam struct ifnet *ifp = sc->sc_ifp; 5095178354Ssam struct ieee80211com *ic = ifp->if_l2com; 5096278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5097173362Sbenjsc 5098278366Sadrian device_printf(sc->sc_dev, "RF switch: radio disabled\n"); 5099173362Sbenjsc 5100278366Sadrian wpi_stop(sc); 5101278366Sadrian if (vap != NULL) 5102278366Sadrian ieee80211_stop(vap); 5103173362Sbenjsc 5104280053Sadrian WPI_LOCK(sc); 5105278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, sc); 5106280053Sadrian WPI_UNLOCK(sc); 5107278366Sadrian} 5108173362Sbenjsc 5109278366Sadrianstatic void 5110278366Sadrianwpi_init_locked(struct wpi_softc *sc) 5111278366Sadrian{ 5112278366Sadrian struct ifnet *ifp = sc->sc_ifp; 5113278366Sadrian int error; 5114173362Sbenjsc 5115278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 5116173362Sbenjsc 5117278366Sadrian WPI_LOCK_ASSERT(sc); 5118278366Sadrian 5119278366Sadrian /* Check that the radio is not disabled by hardware switch. */ 5120278366Sadrian if (!(WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL)) { 5121278366Sadrian device_printf(sc->sc_dev, 5122278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 5123278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 5124278366Sadrian sc); 5125278366Sadrian return; 5126173362Sbenjsc } 5127173362Sbenjsc 5128278366Sadrian /* Read firmware images from the filesystem. */ 5129278366Sadrian if ((error = wpi_read_firmware(sc)) != 0) { 5130278366Sadrian device_printf(sc->sc_dev, 5131278366Sadrian "%s: could not read firmware, error %d\n", __func__, 5132278366Sadrian error); 5133278366Sadrian goto fail; 5134278366Sadrian } 5135173362Sbenjsc 5136278366Sadrian /* Initialize hardware and upload firmware. */ 5137278366Sadrian error = wpi_hw_init(sc); 5138278366Sadrian wpi_unload_firmware(sc); 5139278366Sadrian if (error != 0) { 5140278366Sadrian device_printf(sc->sc_dev, 5141278366Sadrian "%s: could not initialize hardware, error %d\n", __func__, 5142278366Sadrian error); 5143278366Sadrian goto fail; 5144278366Sadrian } 5145173362Sbenjsc 5146278366Sadrian /* Configure adapter now that it is ready. */ 5147280071Sadrian sc->txq_active = 1; 5148278366Sadrian if ((error = wpi_config(sc)) != 0) { 5149278366Sadrian device_printf(sc->sc_dev, 5150278366Sadrian "%s: could not configure device, error %d\n", __func__, 5151278366Sadrian error); 5152278366Sadrian goto fail; 5153278366Sadrian } 5154173362Sbenjsc 5155278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 5156278366Sadrian ifp->if_drv_flags |= IFF_DRV_RUNNING; 5157173362Sbenjsc 5158278366Sadrian callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 5159173362Sbenjsc 5160278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 5161173362Sbenjsc 5162278366Sadrian return; 5163173362Sbenjsc 5164278366Sadrianfail: wpi_stop_locked(sc); 5165278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 5166278366Sadrian} 5167173362Sbenjsc 5168278366Sadrianstatic void 5169278366Sadrianwpi_init(void *arg) 5170278366Sadrian{ 5171278366Sadrian struct wpi_softc *sc = arg; 5172278366Sadrian struct ifnet *ifp = sc->sc_ifp; 5173278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 5174173362Sbenjsc 5175278366Sadrian WPI_LOCK(sc); 5176278366Sadrian wpi_init_locked(sc); 5177278366Sadrian WPI_UNLOCK(sc); 5178173362Sbenjsc 5179278366Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 5180278366Sadrian ieee80211_start_all(ic); 5181278366Sadrian} 5182173362Sbenjsc 5183278366Sadrianstatic void 5184278366Sadrianwpi_stop_locked(struct wpi_softc *sc) 5185278366Sadrian{ 5186278366Sadrian struct ifnet *ifp = sc->sc_ifp; 5187173362Sbenjsc 5188278366Sadrian WPI_LOCK_ASSERT(sc); 5189278366Sadrian 5190280071Sadrian WPI_TXQ_LOCK(sc); 5191280071Sadrian sc->txq_active = 0; 5192280071Sadrian WPI_TXQ_UNLOCK(sc); 5193280071Sadrian 5194278366Sadrian sc->sc_scan_timer = 0; 5195278366Sadrian sc->sc_tx_timer = 0; 5196278366Sadrian callout_stop(&sc->watchdog_to); 5197278366Sadrian callout_stop(&sc->calib_to); 5198278366Sadrian ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 5199278366Sadrian 5200278366Sadrian /* Power OFF hardware. */ 5201278366Sadrian wpi_hw_stop(sc); 5202173362Sbenjsc} 5203173362Sbenjsc 5204278366Sadrianstatic void 5205278366Sadrianwpi_stop(struct wpi_softc *sc) 5206278366Sadrian{ 5207278366Sadrian WPI_LOCK(sc); 5208278366Sadrian wpi_stop_locked(sc); 5209278366Sadrian WPI_UNLOCK(sc); 5210278366Sadrian} 5211278366Sadrian 5212278366Sadrian/* 5213278366Sadrian * Callback from net80211 to start a scan. 5214173362Sbenjsc */ 5215173362Sbenjscstatic void 5216173362Sbenjscwpi_scan_start(struct ieee80211com *ic) 5217173362Sbenjsc{ 5218280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 5219173362Sbenjsc 5220191746Sthompsa wpi_set_led(sc, WPI_LED_LINK, 20, 2); 5221173362Sbenjsc} 5222173362Sbenjsc 5223278366Sadrian/* 5224278366Sadrian * Callback from net80211 to terminate a scan. 5225173362Sbenjsc */ 5226173362Sbenjscstatic void 5227173362Sbenjscwpi_scan_end(struct ieee80211com *ic) 5228173362Sbenjsc{ 5229278366Sadrian struct ifnet *ifp = ic->ic_ifp; 5230278366Sadrian struct wpi_softc *sc = ifp->if_softc; 5231278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5232278366Sadrian 5233280073Sadrian if (vap->iv_state == IEEE80211_S_RUN) 5234278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 5235173362Sbenjsc} 5236173362Sbenjsc 5237173362Sbenjsc/** 5238173362Sbenjsc * Called by the net80211 framework to indicate to the driver 5239173362Sbenjsc * that the channel should be changed 5240173362Sbenjsc */ 5241173362Sbenjscstatic void 5242173362Sbenjscwpi_set_channel(struct ieee80211com *ic) 5243173362Sbenjsc{ 5244278366Sadrian const struct ieee80211_channel *c = ic->ic_curchan; 5245173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 5246173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 5247191746Sthompsa int error; 5248173362Sbenjsc 5249278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5250278366Sadrian 5251278366Sadrian WPI_LOCK(sc); 5252278366Sadrian sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq); 5253278366Sadrian sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags); 5254278366Sadrian sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq); 5255278366Sadrian sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags); 5256278366Sadrian 5257177043Sthompsa /* 5258177043Sthompsa * Only need to set the channel in Monitor mode. AP scanning and auth 5259177043Sthompsa * are already taken care of by their respective firmware commands. 5260177043Sthompsa */ 5261191746Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 5262278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 5263278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) { 5264278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | 5265278366Sadrian WPI_RXON_24GHZ); 5266278366Sadrian } else { 5267278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_AUTO | 5268278366Sadrian WPI_RXON_24GHZ); 5269278366Sadrian } 5270278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) 5271191746Sthompsa device_printf(sc->sc_dev, 5272278366Sadrian "%s: error %d settting channel\n", __func__, 5273278366Sadrian error); 5274191746Sthompsa } 5275278366Sadrian WPI_UNLOCK(sc); 5276173362Sbenjsc} 5277173362Sbenjsc 5278173362Sbenjsc/** 5279173362Sbenjsc * Called by net80211 to indicate that we need to scan the current 5280173362Sbenjsc * channel. The channel is previously be set via the wpi_set_channel 5281173362Sbenjsc * callback. 5282173362Sbenjsc */ 5283173362Sbenjscstatic void 5284178354Ssamwpi_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 5285173362Sbenjsc{ 5286178354Ssam struct ieee80211vap *vap = ss->ss_vap; 5287278366Sadrian struct ieee80211com *ic = vap->iv_ic; 5288280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 5289278366Sadrian int error; 5290173362Sbenjsc 5291278366Sadrian if (sc->rxon.chan != ieee80211_chan2ieee(ic, ic->ic_curchan)) { 5292278366Sadrian WPI_LOCK(sc); 5293278366Sadrian error = wpi_scan(sc, ic->ic_curchan); 5294278366Sadrian WPI_UNLOCK(sc); 5295278366Sadrian if (error != 0) 5296278366Sadrian ieee80211_cancel_scan(vap); 5297278366Sadrian } else { 5298278366Sadrian /* Send probe request when associated. */ 5299278366Sadrian sc->sc_scan_curchan(ss, maxdwell); 5300278366Sadrian } 5301173362Sbenjsc} 5302173362Sbenjsc 5303173362Sbenjsc/** 5304173362Sbenjsc * Called by the net80211 framework to indicate 5305173362Sbenjsc * the minimum dwell time has been met, terminate the scan. 5306173362Sbenjsc * We don't actually terminate the scan as the firmware will notify 5307173362Sbenjsc * us when it's finished and we have no way to interrupt it. 5308173362Sbenjsc */ 5309173362Sbenjscstatic void 5310178354Ssamwpi_scan_mindwell(struct ieee80211_scan_state *ss) 5311173362Sbenjsc{ 5312173362Sbenjsc /* NB: don't try to abort scan; wait for firmware to finish */ 5313173362Sbenjsc} 5314173362Sbenjsc 5315173362Sbenjscstatic void 5316278366Sadrianwpi_hw_reset(void *arg, int pending) 5317173362Sbenjsc{ 5318191746Sthompsa struct wpi_softc *sc = arg; 5319177043Sthompsa struct ifnet *ifp = sc->sc_ifp; 5320191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 5321278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5322173362Sbenjsc 5323278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5324173362Sbenjsc 5325278366Sadrian wpi_stop(sc); 5326278366Sadrian if (vap != NULL) 5327278366Sadrian ieee80211_stop(vap); 5328278366Sadrian wpi_init(sc); 5329278366Sadrian if (vap != NULL) 5330278366Sadrian ieee80211_init(vap); 5331173362Sbenjsc} 5332