if_wpi.c revision 280098
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 280098 2015-03-15 21:08:54Z adrian $"); 21173362Sbenjsc 22173362Sbenjsc/* 23173362Sbenjsc * Driver for Intel PRO/Wireless 3945ABG 802.11 network adapters. 24173362Sbenjsc * 25173362Sbenjsc * The 3945ABG network adapter doesn't use traditional hardware as 26173362Sbenjsc * many other adaptors do. Instead at run time the eeprom is set into a known 27173362Sbenjsc * state and told to load boot firmware. The boot firmware loads an init and a 28173362Sbenjsc * main binary firmware image into SRAM on the card via DMA. 29173362Sbenjsc * Once the firmware is loaded, the driver/hw then 30218909Sbrucec * communicate by way of circular dma rings via the SRAM to the firmware. 31173362Sbenjsc * 32173362Sbenjsc * There is 6 memory rings. 1 command ring, 1 rx data ring & 4 tx data rings. 33173362Sbenjsc * The 4 tx data rings allow for prioritization QoS. 34173362Sbenjsc * 35173362Sbenjsc * The rx data ring consists of 32 dma buffers. Two registers are used to 36173362Sbenjsc * indicate where in the ring the driver and the firmware are up to. The 37173362Sbenjsc * driver sets the initial read index (reg1) and the initial write index (reg2), 38173362Sbenjsc * the firmware updates the read index (reg1) on rx of a packet and fires an 39173362Sbenjsc * interrupt. The driver then processes the buffers starting at reg1 indicating 40173362Sbenjsc * to the firmware which buffers have been accessed by updating reg2. At the 41173362Sbenjsc * same time allocating new memory for the processed buffer. 42173362Sbenjsc * 43173362Sbenjsc * A similar thing happens with the tx rings. The difference is the firmware 44173362Sbenjsc * stop processing buffers once the queue is full and until confirmation 45278764Sadrian * of a successful transmition (tx_done) has occurred. 46173362Sbenjsc * 47173362Sbenjsc * The command ring operates in the same manner as the tx queues. 48173362Sbenjsc * 49173362Sbenjsc * All communication direct to the card (ie eeprom) is classed as Stage1 50173362Sbenjsc * communication 51173362Sbenjsc * 52173362Sbenjsc * All communication via the firmware to the card is classed as State2. 53173362Sbenjsc * The firmware consists of 2 parts. A bootstrap firmware and a runtime 54173362Sbenjsc * firmware. The bootstrap firmware and runtime firmware are loaded 55173362Sbenjsc * from host memory via dma to the card then told to execute. From this point 56173362Sbenjsc * on the majority of communications between the driver and the card goes 57173362Sbenjsc * via the firmware. 58173362Sbenjsc */ 59173362Sbenjsc 60236381Sadrian#include "opt_wlan.h" 61278366Sadrian#include "opt_wpi.h" 62236381Sadrian 63173362Sbenjsc#include <sys/param.h> 64173362Sbenjsc#include <sys/sysctl.h> 65173362Sbenjsc#include <sys/sockio.h> 66173362Sbenjsc#include <sys/mbuf.h> 67173362Sbenjsc#include <sys/kernel.h> 68173362Sbenjsc#include <sys/socket.h> 69173362Sbenjsc#include <sys/systm.h> 70173362Sbenjsc#include <sys/malloc.h> 71173362Sbenjsc#include <sys/queue.h> 72173362Sbenjsc#include <sys/taskqueue.h> 73173362Sbenjsc#include <sys/module.h> 74173362Sbenjsc#include <sys/bus.h> 75173362Sbenjsc#include <sys/endian.h> 76173362Sbenjsc#include <sys/linker.h> 77173362Sbenjsc#include <sys/firmware.h> 78173362Sbenjsc 79173362Sbenjsc#include <machine/bus.h> 80173362Sbenjsc#include <machine/resource.h> 81173362Sbenjsc#include <sys/rman.h> 82173362Sbenjsc 83173362Sbenjsc#include <dev/pci/pcireg.h> 84173362Sbenjsc#include <dev/pci/pcivar.h> 85173362Sbenjsc 86173362Sbenjsc#include <net/bpf.h> 87173362Sbenjsc#include <net/if.h> 88257176Sglebius#include <net/if_var.h> 89173362Sbenjsc#include <net/if_arp.h> 90173362Sbenjsc#include <net/ethernet.h> 91173362Sbenjsc#include <net/if_dl.h> 92173362Sbenjsc#include <net/if_media.h> 93173362Sbenjsc#include <net/if_types.h> 94173362Sbenjsc 95278366Sadrian#include <netinet/in.h> 96278366Sadrian#include <netinet/in_systm.h> 97278366Sadrian#include <netinet/in_var.h> 98278366Sadrian#include <netinet/if_ether.h> 99278366Sadrian#include <netinet/ip.h> 100278366Sadrian 101173362Sbenjsc#include <net80211/ieee80211_var.h> 102173362Sbenjsc#include <net80211/ieee80211_radiotap.h> 103173362Sbenjsc#include <net80211/ieee80211_regdomain.h> 104206358Srpaulo#include <net80211/ieee80211_ratectl.h> 105173362Sbenjsc 106173362Sbenjsc#include <dev/wpi/if_wpireg.h> 107173362Sbenjsc#include <dev/wpi/if_wpivar.h> 108278366Sadrian#include <dev/wpi/if_wpi_debug.h> 109173362Sbenjsc 110173362Sbenjscstruct wpi_ident { 111173362Sbenjsc uint16_t vendor; 112173362Sbenjsc uint16_t device; 113173362Sbenjsc uint16_t subdevice; 114173362Sbenjsc const char *name; 115173362Sbenjsc}; 116173362Sbenjsc 117173362Sbenjscstatic const struct wpi_ident wpi_ident_table[] = { 118173362Sbenjsc /* The below entries support ABG regardless of the subid */ 119173362Sbenjsc { 0x8086, 0x4222, 0x0, "Intel(R) PRO/Wireless 3945ABG" }, 120173362Sbenjsc { 0x8086, 0x4227, 0x0, "Intel(R) PRO/Wireless 3945ABG" }, 121173362Sbenjsc /* The below entries only support BG */ 122182127Sbenjsc { 0x8086, 0x4222, 0x1005, "Intel(R) PRO/Wireless 3945BG" }, 123182127Sbenjsc { 0x8086, 0x4222, 0x1034, "Intel(R) PRO/Wireless 3945BG" }, 124182127Sbenjsc { 0x8086, 0x4227, 0x1014, "Intel(R) PRO/Wireless 3945BG" }, 125182127Sbenjsc { 0x8086, 0x4222, 0x1044, "Intel(R) PRO/Wireless 3945BG" }, 126173362Sbenjsc { 0, 0, 0, NULL } 127173362Sbenjsc}; 128173362Sbenjsc 129278366Sadrianstatic int wpi_probe(device_t); 130278366Sadrianstatic int wpi_attach(device_t); 131278366Sadrianstatic void wpi_radiotap_attach(struct wpi_softc *); 132278366Sadrianstatic void wpi_sysctlattach(struct wpi_softc *); 133280083Sadrianstatic void wpi_init_beacon(struct wpi_vap *); 134178354Ssamstatic struct ieee80211vap *wpi_vap_create(struct ieee80211com *, 135228621Sbschmidt const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 136228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN], 137228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN]); 138178354Ssamstatic void wpi_vap_delete(struct ieee80211vap *); 139278366Sadrianstatic int wpi_detach(device_t); 140278366Sadrianstatic int wpi_shutdown(device_t); 141278366Sadrianstatic int wpi_suspend(device_t); 142278366Sadrianstatic int wpi_resume(device_t); 143278366Sadrianstatic int wpi_nic_lock(struct wpi_softc *); 144278366Sadrianstatic int wpi_read_prom_data(struct wpi_softc *, uint32_t, void *, int); 145278366Sadrianstatic void wpi_dma_map_addr(void *, bus_dma_segment_t *, int, int); 146173362Sbenjscstatic int wpi_dma_contig_alloc(struct wpi_softc *, struct wpi_dma_info *, 147278366Sadrian void **, bus_size_t, bus_size_t); 148173362Sbenjscstatic void wpi_dma_contig_free(struct wpi_dma_info *); 149173362Sbenjscstatic int wpi_alloc_shared(struct wpi_softc *); 150173362Sbenjscstatic void wpi_free_shared(struct wpi_softc *); 151278366Sadrianstatic int wpi_alloc_fwmem(struct wpi_softc *); 152278366Sadrianstatic void wpi_free_fwmem(struct wpi_softc *); 153278366Sadrianstatic int wpi_alloc_rx_ring(struct wpi_softc *); 154278366Sadrianstatic void wpi_update_rx_ring(struct wpi_softc *); 155278366Sadrianstatic void wpi_reset_rx_ring(struct wpi_softc *); 156278366Sadrianstatic void wpi_free_rx_ring(struct wpi_softc *); 157173362Sbenjscstatic int wpi_alloc_tx_ring(struct wpi_softc *, struct wpi_tx_ring *, 158278366Sadrian int); 159278366Sadrianstatic void wpi_update_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 160173362Sbenjscstatic void wpi_reset_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 161173362Sbenjscstatic void wpi_free_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 162278366Sadrianstatic int wpi_read_eeprom(struct wpi_softc *, 163278366Sadrian uint8_t macaddr[IEEE80211_ADDR_LEN]); 164278366Sadrianstatic uint32_t wpi_eeprom_channel_flags(struct wpi_eeprom_chan *); 165278366Sadrianstatic void wpi_read_eeprom_band(struct wpi_softc *, int); 166278366Sadrianstatic int wpi_read_eeprom_channels(struct wpi_softc *, int); 167278366Sadrianstatic struct wpi_eeprom_chan *wpi_find_eeprom_channel(struct wpi_softc *, 168278366Sadrian struct ieee80211_channel *); 169278366Sadrianstatic int wpi_setregdomain(struct ieee80211com *, 170278366Sadrian struct ieee80211_regdomain *, int, 171278366Sadrian struct ieee80211_channel[]); 172278366Sadrianstatic int wpi_read_eeprom_group(struct wpi_softc *, int); 173280069Sadrianstatic int wpi_add_node_entry_adhoc(struct wpi_softc *); 174278366Sadrianstatic void wpi_node_free(struct ieee80211_node *); 175278366Sadrianstatic struct ieee80211_node *wpi_node_alloc(struct ieee80211vap *, 176278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 177178354Ssamstatic int wpi_newstate(struct ieee80211vap *, enum ieee80211_state, int); 178278366Sadrianstatic void wpi_calib_timeout(void *); 179278366Sadrianstatic void wpi_rx_done(struct wpi_softc *, struct wpi_rx_desc *, 180173362Sbenjsc struct wpi_rx_data *); 181278366Sadrianstatic void wpi_rx_statistics(struct wpi_softc *, struct wpi_rx_desc *, 182278366Sadrian struct wpi_rx_data *); 183278366Sadrianstatic void wpi_tx_done(struct wpi_softc *, struct wpi_rx_desc *); 184278366Sadrianstatic void wpi_cmd_done(struct wpi_softc *, struct wpi_rx_desc *); 185173362Sbenjscstatic void wpi_notif_intr(struct wpi_softc *); 186278366Sadrianstatic void wpi_wakeup_intr(struct wpi_softc *); 187280093Sadrian#ifdef WPI_DEBUG 188280093Sadrianstatic void wpi_debug_registers(struct wpi_softc *); 189280093Sadrian#endif 190278366Sadrianstatic void wpi_fatal_intr(struct wpi_softc *); 191173362Sbenjscstatic void wpi_intr(void *); 192278366Sadrianstatic int wpi_cmd2(struct wpi_softc *, struct wpi_buf *); 193173362Sbenjscstatic int wpi_tx_data(struct wpi_softc *, struct mbuf *, 194278366Sadrian struct ieee80211_node *); 195278366Sadrianstatic int wpi_tx_data_raw(struct wpi_softc *, struct mbuf *, 196278366Sadrian struct ieee80211_node *, 197278366Sadrian const struct ieee80211_bpf_params *); 198278366Sadrianstatic int wpi_raw_xmit(struct ieee80211_node *, struct mbuf *, 199278366Sadrian const struct ieee80211_bpf_params *); 200173362Sbenjscstatic void wpi_start(struct ifnet *); 201178354Ssamstatic void wpi_start_locked(struct ifnet *); 202280078Sadrianstatic void wpi_start_task(void *, int); 203278366Sadrianstatic void wpi_watchdog_rfkill(void *); 204278366Sadrianstatic void wpi_watchdog(void *); 205173362Sbenjscstatic int wpi_ioctl(struct ifnet *, u_long, caddr_t); 206278366Sadrianstatic int wpi_cmd(struct wpi_softc *, int, const void *, size_t, int); 207173362Sbenjscstatic int wpi_mrr_setup(struct wpi_softc *); 208278366Sadrianstatic int wpi_add_node(struct wpi_softc *, struct ieee80211_node *); 209278366Sadrianstatic int wpi_add_broadcast_node(struct wpi_softc *, int); 210278366Sadrianstatic int wpi_add_ibss_node(struct wpi_softc *, struct ieee80211_node *); 211278366Sadrianstatic void wpi_del_node(struct wpi_softc *, struct ieee80211_node *); 212278366Sadrianstatic int wpi_updateedca(struct ieee80211com *); 213278366Sadrianstatic void wpi_set_promisc(struct wpi_softc *); 214278366Sadrianstatic void wpi_update_promisc(struct ifnet *); 215278366Sadrianstatic void wpi_update_mcast(struct ifnet *); 216173362Sbenjscstatic void wpi_set_led(struct wpi_softc *, uint8_t, uint8_t, uint8_t); 217278366Sadrianstatic int wpi_set_timing(struct wpi_softc *, struct ieee80211_node *); 218278366Sadrianstatic void wpi_power_calibration(struct wpi_softc *); 219278366Sadrianstatic int wpi_set_txpower(struct wpi_softc *, int); 220278366Sadrianstatic int wpi_get_power_index(struct wpi_softc *, 221278366Sadrian struct wpi_power_group *, struct ieee80211_channel *, int); 222278366Sadrianstatic int wpi_set_pslevel(struct wpi_softc *, uint8_t, int, int); 223278366Sadrianstatic int wpi_send_btcoex(struct wpi_softc *); 224278366Sadrianstatic int wpi_send_rxon(struct wpi_softc *, int, int); 225278366Sadrianstatic int wpi_config(struct wpi_softc *); 226278366Sadrianstatic uint16_t wpi_get_active_dwell_time(struct wpi_softc *, 227278366Sadrian struct ieee80211_channel *, uint8_t); 228278366Sadrianstatic uint16_t wpi_limit_dwell(struct wpi_softc *, uint16_t); 229278366Sadrianstatic uint16_t wpi_get_passive_dwell_time(struct wpi_softc *, 230278366Sadrian struct ieee80211_channel *); 231278366Sadrianstatic int wpi_scan(struct wpi_softc *, struct ieee80211_channel *); 232278366Sadrianstatic int wpi_auth(struct wpi_softc *, struct ieee80211vap *); 233280084Sadrianstatic int wpi_config_beacon(struct wpi_vap *); 234280084Sadrianstatic int wpi_setup_beacon(struct wpi_softc *, struct ieee80211_node *); 235278366Sadrianstatic void wpi_update_beacon(struct ieee80211vap *, int); 236280079Sadrianstatic void wpi_newassoc(struct ieee80211_node *, int); 237178354Ssamstatic int wpi_run(struct wpi_softc *, struct ieee80211vap *); 238280088Sadrianstatic int wpi_load_key(struct ieee80211_node *, 239280088Sadrian const struct ieee80211_key *); 240280088Sadrianstatic void wpi_load_key_cb(void *, struct ieee80211_node *); 241280088Sadrianstatic int wpi_set_global_keys(struct ieee80211_node *); 242280088Sadrianstatic int wpi_del_key(struct ieee80211_node *, 243280088Sadrian const struct ieee80211_key *); 244280088Sadrianstatic void wpi_del_key_cb(void *, struct ieee80211_node *); 245280088Sadrianstatic int wpi_process_key(struct ieee80211vap *, 246280088Sadrian const struct ieee80211_key *, int); 247278366Sadrianstatic int wpi_key_set(struct ieee80211vap *, 248278366Sadrian const struct ieee80211_key *, 249278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 250278366Sadrianstatic int wpi_key_delete(struct ieee80211vap *, 251278366Sadrian const struct ieee80211_key *); 252278366Sadrianstatic int wpi_post_alive(struct wpi_softc *); 253278366Sadrianstatic int wpi_load_bootcode(struct wpi_softc *, const uint8_t *, int); 254278366Sadrianstatic int wpi_load_firmware(struct wpi_softc *); 255278366Sadrianstatic int wpi_read_firmware(struct wpi_softc *); 256278366Sadrianstatic void wpi_unload_firmware(struct wpi_softc *); 257278366Sadrianstatic int wpi_clock_wait(struct wpi_softc *); 258278366Sadrianstatic int wpi_apm_init(struct wpi_softc *); 259278366Sadrianstatic void wpi_apm_stop_master(struct wpi_softc *); 260278366Sadrianstatic void wpi_apm_stop(struct wpi_softc *); 261278366Sadrianstatic void wpi_nic_config(struct wpi_softc *); 262278366Sadrianstatic int wpi_hw_init(struct wpi_softc *); 263278366Sadrianstatic void wpi_hw_stop(struct wpi_softc *); 264278366Sadrianstatic void wpi_radio_on(void *, int); 265278366Sadrianstatic void wpi_radio_off(void *, int); 266173362Sbenjscstatic void wpi_init(void *); 267278366Sadrianstatic void wpi_stop_locked(struct wpi_softc *); 268173362Sbenjscstatic void wpi_stop(struct wpi_softc *); 269278366Sadrianstatic void wpi_scan_start(struct ieee80211com *); 270278366Sadrianstatic void wpi_scan_end(struct ieee80211com *); 271278366Sadrianstatic void wpi_set_channel(struct ieee80211com *); 272278366Sadrianstatic void wpi_scan_curchan(struct ieee80211_scan_state *, unsigned long); 273278366Sadrianstatic void wpi_scan_mindwell(struct ieee80211_scan_state *); 274278366Sadrianstatic void wpi_hw_reset(void *, int); 275173362Sbenjsc 276173362Sbenjscstatic device_method_t wpi_methods[] = { 277173362Sbenjsc /* Device interface */ 278173362Sbenjsc DEVMETHOD(device_probe, wpi_probe), 279173362Sbenjsc DEVMETHOD(device_attach, wpi_attach), 280173362Sbenjsc DEVMETHOD(device_detach, wpi_detach), 281173362Sbenjsc DEVMETHOD(device_shutdown, wpi_shutdown), 282173362Sbenjsc DEVMETHOD(device_suspend, wpi_suspend), 283173362Sbenjsc DEVMETHOD(device_resume, wpi_resume), 284173362Sbenjsc 285260064Smarius DEVMETHOD_END 286173362Sbenjsc}; 287173362Sbenjsc 288173362Sbenjscstatic driver_t wpi_driver = { 289173362Sbenjsc "wpi", 290173362Sbenjsc wpi_methods, 291173362Sbenjsc sizeof (struct wpi_softc) 292173362Sbenjsc}; 293173362Sbenjscstatic devclass_t wpi_devclass; 294173362Sbenjsc 295260064SmariusDRIVER_MODULE(wpi, pci, wpi_driver, wpi_devclass, NULL, NULL); 296173362Sbenjsc 297222543SbschmidtMODULE_VERSION(wpi, 1); 298222543Sbschmidt 299278366SadrianMODULE_DEPEND(wpi, pci, 1, 1, 1); 300278366SadrianMODULE_DEPEND(wpi, wlan, 1, 1, 1); 301278366SadrianMODULE_DEPEND(wpi, firmware, 1, 1, 1); 302260064Smarius 303173362Sbenjscstatic int 304173362Sbenjscwpi_probe(device_t dev) 305173362Sbenjsc{ 306173362Sbenjsc const struct wpi_ident *ident; 307173362Sbenjsc 308173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 309173362Sbenjsc if (pci_get_vendor(dev) == ident->vendor && 310173362Sbenjsc pci_get_device(dev) == ident->device) { 311173362Sbenjsc device_set_desc(dev, ident->name); 312260064Smarius return (BUS_PROBE_DEFAULT); 313173362Sbenjsc } 314173362Sbenjsc } 315173362Sbenjsc return ENXIO; 316173362Sbenjsc} 317173362Sbenjsc 318173362Sbenjscstatic int 319173362Sbenjscwpi_attach(device_t dev) 320173362Sbenjsc{ 321278366Sadrian struct wpi_softc *sc = (struct wpi_softc *)device_get_softc(dev); 322278366Sadrian struct ieee80211com *ic; 323173362Sbenjsc struct ifnet *ifp; 324280061Sadrian int i, error, rid; 325280061Sadrian#ifdef WPI_DEBUG 326280061Sadrian int supportsa = 1; 327173362Sbenjsc const struct wpi_ident *ident; 328280061Sadrian#endif 329190526Ssam uint8_t macaddr[IEEE80211_ADDR_LEN]; 330173362Sbenjsc 331173362Sbenjsc sc->sc_dev = dev; 332173362Sbenjsc 333280059Sadrian#ifdef WPI_DEBUG 334278366Sadrian error = resource_int_value(device_get_name(sc->sc_dev), 335278366Sadrian device_get_unit(sc->sc_dev), "debug", &(sc->sc_debug)); 336278366Sadrian if (error != 0) 337278366Sadrian sc->sc_debug = 0; 338278366Sadrian#else 339278366Sadrian sc->sc_debug = 0; 340278366Sadrian#endif 341173362Sbenjsc 342278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 343278366Sadrian 344173362Sbenjsc /* 345278366Sadrian * Get the offset of the PCI Express Capability Structure in PCI 346278366Sadrian * Configuration Space. 347278366Sadrian */ 348278366Sadrian error = pci_find_cap(dev, PCIY_EXPRESS, &sc->sc_cap_off); 349278366Sadrian if (error != 0) { 350278366Sadrian device_printf(dev, "PCIe capability structure not found!\n"); 351278366Sadrian return error; 352278366Sadrian } 353278366Sadrian 354278366Sadrian /* 355173362Sbenjsc * Some card's only support 802.11b/g not a, check to see if 356173362Sbenjsc * this is one such card. A 0x0 in the subdevice table indicates 357173362Sbenjsc * the entire subdevice range is to be ignored. 358173362Sbenjsc */ 359280061Sadrian#ifdef WPI_DEBUG 360173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 361173362Sbenjsc if (ident->subdevice && 362173362Sbenjsc pci_get_subdevice(dev) == ident->subdevice) { 363173362Sbenjsc supportsa = 0; 364173362Sbenjsc break; 365173362Sbenjsc } 366173362Sbenjsc } 367280061Sadrian#endif 368173362Sbenjsc 369278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 370173362Sbenjsc pci_write_config(dev, 0x41, 0, 1); 371173362Sbenjsc 372278366Sadrian /* Enable bus-mastering. */ 373173362Sbenjsc pci_enable_busmaster(dev); 374173362Sbenjsc 375260064Smarius rid = PCIR_BAR(0); 376260064Smarius sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 377173362Sbenjsc RF_ACTIVE); 378173362Sbenjsc if (sc->mem == NULL) { 379278366Sadrian device_printf(dev, "can't map mem space\n"); 380280091Sadrian return ENOMEM; 381173362Sbenjsc } 382173362Sbenjsc sc->sc_st = rman_get_bustag(sc->mem); 383173362Sbenjsc sc->sc_sh = rman_get_bushandle(sc->mem); 384173362Sbenjsc 385278366Sadrian i = 1; 386260064Smarius rid = 0; 387278366Sadrian if (pci_alloc_msi(dev, &i) == 0) 388278366Sadrian rid = 1; 389278366Sadrian /* Install interrupt handler. */ 390278366Sadrian sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | 391278366Sadrian (rid != 0 ? 0 : RF_SHAREABLE)); 392173362Sbenjsc if (sc->irq == NULL) { 393278366Sadrian device_printf(dev, "can't map interrupt\n"); 394173362Sbenjsc error = ENOMEM; 395173362Sbenjsc goto fail; 396173362Sbenjsc } 397173362Sbenjsc 398278366Sadrian WPI_LOCK_INIT(sc); 399280077Sadrian WPI_NT_LOCK_INIT(sc); 400280071Sadrian WPI_TXQ_LOCK_INIT(sc); 401278366Sadrian 402278366Sadrian /* Allocate DMA memory for firmware transfers. */ 403173362Sbenjsc if ((error = wpi_alloc_fwmem(sc)) != 0) { 404278366Sadrian device_printf(dev, 405278366Sadrian "could not allocate memory for firmware, error %d\n", 406278366Sadrian error); 407173362Sbenjsc goto fail; 408173362Sbenjsc } 409173362Sbenjsc 410278366Sadrian /* Allocate shared page. */ 411173362Sbenjsc if ((error = wpi_alloc_shared(sc)) != 0) { 412173362Sbenjsc device_printf(dev, "could not allocate shared page\n"); 413173362Sbenjsc goto fail; 414173362Sbenjsc } 415173362Sbenjsc 416278366Sadrian /* Allocate TX rings - 4 for QoS purposes, 1 for commands. */ 417278366Sadrian for (i = 0; i < WPI_NTXQUEUES; i++) { 418278366Sadrian if ((error = wpi_alloc_tx_ring(sc, &sc->txq[i], i)) != 0) { 419278366Sadrian device_printf(dev, 420278366Sadrian "could not allocate TX ring %d, error %d\n", i, 421278366Sadrian error); 422278366Sadrian goto fail; 423173362Sbenjsc } 424173362Sbenjsc } 425173362Sbenjsc 426278366Sadrian /* Allocate RX ring. */ 427278366Sadrian if ((error = wpi_alloc_rx_ring(sc)) != 0) { 428278366Sadrian device_printf(dev, "could not allocate RX ring, error %d\n", 429278366Sadrian error); 430173362Sbenjsc goto fail; 431173362Sbenjsc } 432173362Sbenjsc 433278366Sadrian /* Clear pending interrupts. */ 434278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 435173362Sbenjsc 436178354Ssam ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 437173362Sbenjsc if (ifp == NULL) { 438278366Sadrian device_printf(dev, "can not allocate ifnet structure\n"); 439173362Sbenjsc goto fail; 440173362Sbenjsc } 441278366Sadrian 442178354Ssam ic = ifp->if_l2com; 443173362Sbenjsc ic->ic_ifp = ifp; 444178354Ssam ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 445178354Ssam ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 446173362Sbenjsc 447278366Sadrian /* Set device capabilities. */ 448173362Sbenjsc ic->ic_caps = 449178957Ssam IEEE80211_C_STA /* station mode supported */ 450278366Sadrian | IEEE80211_C_IBSS /* IBSS mode supported */ 451178957Ssam | IEEE80211_C_MONITOR /* monitor mode supported */ 452278366Sadrian | IEEE80211_C_AHDEMO /* adhoc demo mode */ 453278366Sadrian | IEEE80211_C_BGSCAN /* capable of bg scanning */ 454173362Sbenjsc | IEEE80211_C_TXPMGT /* tx power management */ 455173362Sbenjsc | IEEE80211_C_SHSLOT /* short slot time supported */ 456278366Sadrian | IEEE80211_C_WPA /* 802.11i */ 457173362Sbenjsc | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 458173362Sbenjsc#if 0 459173362Sbenjsc | IEEE80211_C_HOSTAP /* Host access point mode */ 460173362Sbenjsc#endif 461278366Sadrian | IEEE80211_C_WME /* 802.11e */ 462278366Sadrian | IEEE80211_C_PMGT /* Station-side power mgmt */ 463173362Sbenjsc ; 464173362Sbenjsc 465278366Sadrian ic->ic_cryptocaps = 466278366Sadrian IEEE80211_CRYPTO_AES_CCM; 467278366Sadrian 468173362Sbenjsc /* 469173362Sbenjsc * Read in the eeprom and also setup the channels for 470173362Sbenjsc * net80211. We don't set the rates as net80211 does this for us 471173362Sbenjsc */ 472278366Sadrian if ((error = wpi_read_eeprom(sc, macaddr)) != 0) { 473278366Sadrian device_printf(dev, "could not read EEPROM, error %d\n", 474278366Sadrian error); 475278366Sadrian goto fail; 476280059Sadrian } 477173362Sbenjsc 478280059Sadrian#ifdef WPI_DEBUG 479278366Sadrian if (bootverbose) { 480280059Sadrian device_printf(sc->sc_dev, "Regulatory Domain: %.4s\n", 481280059Sadrian sc->domain); 482280059Sadrian device_printf(sc->sc_dev, "Hardware Type: %c\n", 483280059Sadrian sc->type > 1 ? 'B': '?'); 484280059Sadrian device_printf(sc->sc_dev, "Hardware Revision: %c\n", 485280076Sadrian ((sc->rev & 0xf0) == 0xd0) ? 'D': '?'); 486280059Sadrian device_printf(sc->sc_dev, "SKU %s support 802.11a\n", 487280059Sadrian supportsa ? "does" : "does not"); 488173362Sbenjsc 489280059Sadrian /* XXX hw_config uses the PCIDEV for the Hardware rev. Must 490280059Sadrian check what sc->rev really represents - benjsc 20070615 */ 491173362Sbenjsc } 492278366Sadrian#endif 493173362Sbenjsc 494173362Sbenjsc if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 495173362Sbenjsc ifp->if_softc = sc; 496173362Sbenjsc ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 497173362Sbenjsc ifp->if_init = wpi_init; 498173362Sbenjsc ifp->if_ioctl = wpi_ioctl; 499173362Sbenjsc ifp->if_start = wpi_start; 500207554Ssobomax IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 501207554Ssobomax ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 502173362Sbenjsc IFQ_SET_READY(&ifp->if_snd); 503178354Ssam 504190526Ssam ieee80211_ifattach(ic, macaddr); 505278366Sadrian ic->ic_vap_create = wpi_vap_create; 506278366Sadrian ic->ic_vap_delete = wpi_vap_delete; 507178354Ssam ic->ic_raw_xmit = wpi_raw_xmit; 508278366Sadrian ic->ic_node_alloc = wpi_node_alloc; 509278366Sadrian sc->sc_node_free = ic->ic_node_free; 510278366Sadrian ic->ic_node_free = wpi_node_free; 511278366Sadrian ic->ic_wme.wme_update = wpi_updateedca; 512278366Sadrian ic->ic_update_promisc = wpi_update_promisc; 513278366Sadrian ic->ic_update_mcast = wpi_update_mcast; 514280079Sadrian ic->ic_newassoc = wpi_newassoc; 515173362Sbenjsc ic->ic_scan_start = wpi_scan_start; 516173362Sbenjsc ic->ic_scan_end = wpi_scan_end; 517173362Sbenjsc ic->ic_set_channel = wpi_set_channel; 518278366Sadrian sc->sc_scan_curchan = ic->ic_scan_curchan; 519173362Sbenjsc ic->ic_scan_curchan = wpi_scan_curchan; 520173362Sbenjsc ic->ic_scan_mindwell = wpi_scan_mindwell; 521278366Sadrian ic->ic_setregdomain = wpi_setregdomain; 522173362Sbenjsc 523278366Sadrian wpi_radiotap_attach(sc); 524173362Sbenjsc 525278366Sadrian callout_init_mtx(&sc->calib_to, &sc->sc_mtx, 0); 526278366Sadrian callout_init_mtx(&sc->watchdog_to, &sc->sc_mtx, 0); 527278366Sadrian callout_init_mtx(&sc->watchdog_rfkill, &sc->sc_mtx, 0); 528278366Sadrian TASK_INIT(&sc->sc_reinittask, 0, wpi_hw_reset, sc); 529278366Sadrian TASK_INIT(&sc->sc_radiooff_task, 0, wpi_radio_off, sc); 530278366Sadrian TASK_INIT(&sc->sc_radioon_task, 0, wpi_radio_on, sc); 531280078Sadrian TASK_INIT(&sc->sc_start_task, 0, wpi_start_task, sc); 532173362Sbenjsc 533278366Sadrian wpi_sysctlattach(sc); 534278366Sadrian 535173362Sbenjsc /* 536173362Sbenjsc * Hook our interrupt after all initialization is complete. 537173362Sbenjsc */ 538278366Sadrian error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 539177043Sthompsa NULL, wpi_intr, sc, &sc->sc_ih); 540173362Sbenjsc if (error != 0) { 541278366Sadrian device_printf(dev, "can't establish interrupt, error %d\n", 542278366Sadrian error); 543173362Sbenjsc goto fail; 544173362Sbenjsc } 545173362Sbenjsc 546177043Sthompsa if (bootverbose) 547177043Sthompsa ieee80211_announce(ic); 548278366Sadrian 549278366Sadrian#ifdef WPI_DEBUG 550278366Sadrian if (sc->sc_debug & WPI_DEBUG_HW) 551278366Sadrian ieee80211_announce_channels(ic); 552173362Sbenjsc#endif 553278366Sadrian 554278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 555173362Sbenjsc return 0; 556173362Sbenjsc 557173362Sbenjscfail: wpi_detach(dev); 558278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 559278366Sadrian return error; 560173362Sbenjsc} 561173362Sbenjsc 562278366Sadrian/* 563278366Sadrian * Attach the interface to 802.11 radiotap. 564278366Sadrian */ 565278366Sadrianstatic void 566278366Sadrianwpi_radiotap_attach(struct wpi_softc *sc) 567278366Sadrian{ 568278366Sadrian struct ifnet *ifp = sc->sc_ifp; 569278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 570278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 571278366Sadrian ieee80211_radiotap_attach(ic, 572278366Sadrian &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 573278366Sadrian WPI_TX_RADIOTAP_PRESENT, 574278366Sadrian &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 575278366Sadrian WPI_RX_RADIOTAP_PRESENT); 576278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 577278366Sadrian} 578278366Sadrian 579278366Sadrianstatic void 580278366Sadrianwpi_sysctlattach(struct wpi_softc *sc) 581278366Sadrian{ 582280059Sadrian#ifdef WPI_DEBUG 583278366Sadrian struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 584278366Sadrian struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 585278366Sadrian 586278366Sadrian SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 587278366Sadrian "debug", CTLFLAG_RW, &sc->sc_debug, sc->sc_debug, 588278366Sadrian "control debugging printfs"); 589278366Sadrian#endif 590278366Sadrian} 591278366Sadrian 592280083Sadrianstatic void 593280083Sadrianwpi_init_beacon(struct wpi_vap *wvp) 594280083Sadrian{ 595280083Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 596280083Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 597280083Sadrian 598280083Sadrian cmd->id = WPI_ID_BROADCAST; 599280083Sadrian cmd->ofdm_mask = 0xff; 600280083Sadrian cmd->cck_mask = 0x0f; 601280083Sadrian cmd->lifetime = htole32(WPI_LIFETIME_INFINITE); 602280083Sadrian cmd->flags = htole32(WPI_TX_AUTO_SEQ | WPI_TX_INSERT_TSTAMP); 603280083Sadrian 604280083Sadrian bcn->code = WPI_CMD_SET_BEACON; 605280083Sadrian bcn->ac = WPI_CMD_QUEUE_NUM; 606280083Sadrian bcn->size = sizeof(struct wpi_cmd_beacon); 607280083Sadrian} 608280083Sadrian 609278366Sadrianstatic struct ieee80211vap * 610278366Sadrianwpi_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 611278366Sadrian enum ieee80211_opmode opmode, int flags, 612278366Sadrian const uint8_t bssid[IEEE80211_ADDR_LEN], 613278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 614278366Sadrian{ 615278366Sadrian struct wpi_vap *wvp; 616278366Sadrian struct ieee80211vap *vap; 617278366Sadrian 618278366Sadrian if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 619278366Sadrian return NULL; 620278366Sadrian 621278366Sadrian wvp = (struct wpi_vap *) malloc(sizeof(struct wpi_vap), 622278366Sadrian M_80211_VAP, M_NOWAIT | M_ZERO); 623278366Sadrian if (wvp == NULL) 624278366Sadrian return NULL; 625280085Sadrian vap = &wvp->wv_vap; 626278366Sadrian ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 627278366Sadrian 628280086Sadrian if (opmode == IEEE80211_M_IBSS) { 629280086Sadrian WPI_VAP_LOCK_INIT(wvp); 630280083Sadrian wpi_init_beacon(wvp); 631280086Sadrian } 632280083Sadrian 633278366Sadrian /* Override with driver methods. */ 634278366Sadrian vap->iv_key_set = wpi_key_set; 635278366Sadrian vap->iv_key_delete = wpi_key_delete; 636280085Sadrian wvp->wv_newstate = vap->iv_newstate; 637278366Sadrian vap->iv_newstate = wpi_newstate; 638278366Sadrian vap->iv_update_beacon = wpi_update_beacon; 639278366Sadrian 640278366Sadrian ieee80211_ratectl_init(vap); 641278366Sadrian /* Complete setup. */ 642280066Sadrian ieee80211_vap_attach(vap, ieee80211_media_change, 643280066Sadrian ieee80211_media_status); 644278366Sadrian ic->ic_opmode = opmode; 645278366Sadrian return vap; 646278366Sadrian} 647278366Sadrian 648278366Sadrianstatic void 649278366Sadrianwpi_vap_delete(struct ieee80211vap *vap) 650278366Sadrian{ 651278366Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 652280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 653280084Sadrian enum ieee80211_opmode opmode = vap->iv_opmode; 654278366Sadrian 655278366Sadrian ieee80211_ratectl_deinit(vap); 656278366Sadrian ieee80211_vap_detach(vap); 657278366Sadrian 658280084Sadrian if (opmode == IEEE80211_M_IBSS) { 659280084Sadrian if (bcn->m != NULL) 660280084Sadrian m_freem(bcn->m); 661280086Sadrian 662280086Sadrian WPI_VAP_LOCK_DESTROY(wvp); 663280084Sadrian } 664280084Sadrian 665278366Sadrian free(wvp, M_80211_VAP); 666278366Sadrian} 667278366Sadrian 668173362Sbenjscstatic int 669173362Sbenjscwpi_detach(device_t dev) 670173362Sbenjsc{ 671173362Sbenjsc struct wpi_softc *sc = device_get_softc(dev); 672178354Ssam struct ifnet *ifp = sc->sc_ifp; 673200530Sgavin struct ieee80211com *ic; 674278366Sadrian int qid; 675173362Sbenjsc 676278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 677260064Smarius 678200530Sgavin if (ifp != NULL) { 679200530Sgavin ic = ifp->if_l2com; 680191746Sthompsa 681278366Sadrian ieee80211_draintask(ic, &sc->sc_reinittask); 682278366Sadrian ieee80211_draintask(ic, &sc->sc_radiooff_task); 683280052Sadrian ieee80211_draintask(ic, &sc->sc_radioon_task); 684280078Sadrian ieee80211_draintask(ic, &sc->sc_start_task); 685278366Sadrian 686173362Sbenjsc wpi_stop(sc); 687278366Sadrian 688173362Sbenjsc callout_drain(&sc->watchdog_to); 689278366Sadrian callout_drain(&sc->watchdog_rfkill); 690173362Sbenjsc callout_drain(&sc->calib_to); 691173362Sbenjsc ieee80211_ifdetach(ic); 692173362Sbenjsc } 693173362Sbenjsc 694278366Sadrian /* Uninstall interrupt handler. */ 695278366Sadrian if (sc->irq != NULL) { 696278366Sadrian bus_teardown_intr(dev, sc->irq, sc->sc_ih); 697278366Sadrian bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), 698278366Sadrian sc->irq); 699278366Sadrian pci_release_msi(dev); 700278366Sadrian } 701278366Sadrian 702173362Sbenjsc if (sc->txq[0].data_dmat) { 703278366Sadrian /* Free DMA resources. */ 704278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 705278366Sadrian wpi_free_tx_ring(sc, &sc->txq[qid]); 706173362Sbenjsc 707278366Sadrian wpi_free_rx_ring(sc); 708173362Sbenjsc wpi_free_shared(sc); 709173362Sbenjsc } 710173362Sbenjsc 711173362Sbenjsc if (sc->fw_dma.tag) 712173362Sbenjsc wpi_free_fwmem(sc); 713278366Sadrian 714173362Sbenjsc if (sc->mem != NULL) 715260064Smarius bus_release_resource(dev, SYS_RES_MEMORY, 716260064Smarius rman_get_rid(sc->mem), sc->mem); 717173362Sbenjsc 718173362Sbenjsc if (ifp != NULL) 719173362Sbenjsc if_free(ifp); 720173362Sbenjsc 721278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 722280071Sadrian WPI_TXQ_LOCK_DESTROY(sc); 723280077Sadrian WPI_NT_LOCK_DESTROY(sc); 724173362Sbenjsc WPI_LOCK_DESTROY(sc); 725278366Sadrian return 0; 726278366Sadrian} 727173362Sbenjsc 728278366Sadrianstatic int 729278366Sadrianwpi_shutdown(device_t dev) 730278366Sadrian{ 731278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 732278366Sadrian 733278366Sadrian wpi_stop(sc); 734173362Sbenjsc return 0; 735173362Sbenjsc} 736173362Sbenjsc 737278366Sadrianstatic int 738278366Sadrianwpi_suspend(device_t dev) 739178354Ssam{ 740278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 741278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 742178354Ssam 743278366Sadrian ieee80211_suspend_all(ic); 744278366Sadrian return 0; 745278366Sadrian} 746178354Ssam 747278366Sadrianstatic int 748278366Sadrianwpi_resume(device_t dev) 749278366Sadrian{ 750278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 751278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 752278366Sadrian 753278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 754278366Sadrian pci_write_config(dev, 0x41, 0, 1); 755278366Sadrian 756278366Sadrian ieee80211_resume_all(ic); 757278366Sadrian return 0; 758178354Ssam} 759178354Ssam 760278366Sadrian/* 761278366Sadrian * Grab exclusive access to NIC memory. 762278366Sadrian */ 763278366Sadrianstatic int 764278366Sadrianwpi_nic_lock(struct wpi_softc *sc) 765178354Ssam{ 766278366Sadrian int ntries; 767178354Ssam 768278366Sadrian /* Request exclusive access to NIC. */ 769278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 770278366Sadrian 771278366Sadrian /* Spin until we actually get the lock. */ 772278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 773278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & 774280059Sadrian (WPI_GP_CNTRL_MAC_ACCESS_ENA | WPI_GP_CNTRL_SLEEP)) == 775278366Sadrian WPI_GP_CNTRL_MAC_ACCESS_ENA) 776278366Sadrian return 0; 777278366Sadrian DELAY(10); 778278366Sadrian } 779278366Sadrian 780278366Sadrian device_printf(sc->sc_dev, "could not lock memory\n"); 781278366Sadrian 782278366Sadrian return ETIMEDOUT; 783178354Ssam} 784178354Ssam 785278366Sadrian/* 786278366Sadrian * Release lock on NIC memory. 787278366Sadrian */ 788278366Sadrianstatic __inline void 789278366Sadrianwpi_nic_unlock(struct wpi_softc *sc) 790278366Sadrian{ 791278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 792278366Sadrian} 793278366Sadrian 794278366Sadrianstatic __inline uint32_t 795278366Sadrianwpi_prph_read(struct wpi_softc *sc, uint32_t addr) 796278366Sadrian{ 797278366Sadrian WPI_WRITE(sc, WPI_PRPH_RADDR, WPI_PRPH_DWORD | addr); 798278366Sadrian WPI_BARRIER_READ_WRITE(sc); 799278366Sadrian return WPI_READ(sc, WPI_PRPH_RDATA); 800278366Sadrian} 801278366Sadrian 802278366Sadrianstatic __inline void 803278366Sadrianwpi_prph_write(struct wpi_softc *sc, uint32_t addr, uint32_t data) 804278366Sadrian{ 805278366Sadrian WPI_WRITE(sc, WPI_PRPH_WADDR, WPI_PRPH_DWORD | addr); 806278366Sadrian WPI_BARRIER_WRITE(sc); 807278366Sadrian WPI_WRITE(sc, WPI_PRPH_WDATA, data); 808278366Sadrian} 809278366Sadrian 810278366Sadrianstatic __inline void 811278366Sadrianwpi_prph_setbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 812278366Sadrian{ 813278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) | mask); 814278366Sadrian} 815278366Sadrian 816278366Sadrianstatic __inline void 817278366Sadrianwpi_prph_clrbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 818278366Sadrian{ 819278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) & ~mask); 820278366Sadrian} 821278366Sadrian 822278366Sadrianstatic __inline void 823278366Sadrianwpi_prph_write_region_4(struct wpi_softc *sc, uint32_t addr, 824278366Sadrian const uint32_t *data, int count) 825278366Sadrian{ 826278366Sadrian for (; count > 0; count--, data++, addr += 4) 827278366Sadrian wpi_prph_write(sc, addr, *data); 828278366Sadrian} 829278366Sadrian 830278366Sadrianstatic __inline uint32_t 831278366Sadrianwpi_mem_read(struct wpi_softc *sc, uint32_t addr) 832278366Sadrian{ 833278366Sadrian WPI_WRITE(sc, WPI_MEM_RADDR, addr); 834278366Sadrian WPI_BARRIER_READ_WRITE(sc); 835278366Sadrian return WPI_READ(sc, WPI_MEM_RDATA); 836278366Sadrian} 837278366Sadrian 838278366Sadrianstatic __inline void 839278366Sadrianwpi_mem_read_region_4(struct wpi_softc *sc, uint32_t addr, uint32_t *data, 840278366Sadrian int count) 841278366Sadrian{ 842278366Sadrian for (; count > 0; count--, addr += 4) 843278366Sadrian *data++ = wpi_mem_read(sc, addr); 844278366Sadrian} 845278366Sadrian 846278366Sadrianstatic int 847278366Sadrianwpi_read_prom_data(struct wpi_softc *sc, uint32_t addr, void *data, int count) 848278366Sadrian{ 849278366Sadrian uint8_t *out = data; 850278366Sadrian uint32_t val; 851278366Sadrian int error, ntries; 852278366Sadrian 853278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 854278366Sadrian 855278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 856278366Sadrian return error; 857278366Sadrian 858278366Sadrian for (; count > 0; count -= 2, addr++) { 859278366Sadrian WPI_WRITE(sc, WPI_EEPROM, addr << 2); 860278366Sadrian for (ntries = 0; ntries < 10; ntries++) { 861278366Sadrian val = WPI_READ(sc, WPI_EEPROM); 862278366Sadrian if (val & WPI_EEPROM_READ_VALID) 863278366Sadrian break; 864278366Sadrian DELAY(5); 865278366Sadrian } 866278366Sadrian if (ntries == 10) { 867278366Sadrian device_printf(sc->sc_dev, 868278366Sadrian "timeout reading ROM at 0x%x\n", addr); 869278366Sadrian return ETIMEDOUT; 870278366Sadrian } 871278366Sadrian *out++= val >> 16; 872278366Sadrian if (count > 1) 873278366Sadrian *out ++= val >> 24; 874278366Sadrian } 875278366Sadrian 876278366Sadrian wpi_nic_unlock(sc); 877278366Sadrian 878278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 879278366Sadrian 880278366Sadrian return 0; 881278366Sadrian} 882278366Sadrian 883178354Ssamstatic void 884173362Sbenjscwpi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 885173362Sbenjsc{ 886173362Sbenjsc if (error != 0) 887173362Sbenjsc return; 888173362Sbenjsc KASSERT(nsegs == 1, ("too many DMA segments, %d should be 1", nsegs)); 889173362Sbenjsc *(bus_addr_t *)arg = segs[0].ds_addr; 890173362Sbenjsc} 891173362Sbenjsc 892177043Sthompsa/* 893177043Sthompsa * Allocates a contiguous block of dma memory of the requested size and 894278366Sadrian * alignment. 895177043Sthompsa */ 896173362Sbenjscstatic int 897173362Sbenjscwpi_dma_contig_alloc(struct wpi_softc *sc, struct wpi_dma_info *dma, 898278366Sadrian void **kvap, bus_size_t size, bus_size_t alignment) 899173362Sbenjsc{ 900173362Sbenjsc int error; 901173362Sbenjsc 902278366Sadrian dma->tag = NULL; 903173362Sbenjsc dma->size = size; 904173362Sbenjsc 905278366Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), alignment, 906278366Sadrian 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, size, 907278366Sadrian 1, size, BUS_DMA_NOWAIT, NULL, NULL, &dma->tag); 908278366Sadrian if (error != 0) 909173362Sbenjsc goto fail; 910278366Sadrian 911278366Sadrian error = bus_dmamem_alloc(dma->tag, (void **)&dma->vaddr, 912278366Sadrian BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, &dma->map); 913278366Sadrian if (error != 0) 914173362Sbenjsc goto fail; 915173362Sbenjsc 916278366Sadrian error = bus_dmamap_load(dma->tag, dma->map, dma->vaddr, size, 917278366Sadrian wpi_dma_map_addr, &dma->paddr, BUS_DMA_NOWAIT); 918278366Sadrian if (error != 0) 919278366Sadrian goto fail; 920177043Sthompsa 921278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 922177043Sthompsa 923173362Sbenjsc if (kvap != NULL) 924173362Sbenjsc *kvap = dma->vaddr; 925173362Sbenjsc 926173362Sbenjsc return 0; 927173362Sbenjsc 928278366Sadrianfail: wpi_dma_contig_free(dma); 929173362Sbenjsc return error; 930173362Sbenjsc} 931173362Sbenjsc 932173362Sbenjscstatic void 933173362Sbenjscwpi_dma_contig_free(struct wpi_dma_info *dma) 934173362Sbenjsc{ 935278366Sadrian if (dma->vaddr != NULL) { 936278366Sadrian bus_dmamap_sync(dma->tag, dma->map, 937278366Sadrian BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 938278366Sadrian bus_dmamap_unload(dma->tag, dma->map); 939278366Sadrian bus_dmamem_free(dma->tag, dma->vaddr, dma->map); 940278366Sadrian dma->vaddr = NULL; 941278366Sadrian } 942278366Sadrian if (dma->tag != NULL) { 943173362Sbenjsc bus_dma_tag_destroy(dma->tag); 944278366Sadrian dma->tag = NULL; 945173362Sbenjsc } 946173362Sbenjsc} 947173362Sbenjsc 948173362Sbenjsc/* 949173362Sbenjsc * Allocate a shared page between host and NIC. 950173362Sbenjsc */ 951173362Sbenjscstatic int 952173362Sbenjscwpi_alloc_shared(struct wpi_softc *sc) 953173362Sbenjsc{ 954278366Sadrian /* Shared buffer must be aligned on a 4KB boundary. */ 955278366Sadrian return wpi_dma_contig_alloc(sc, &sc->shared_dma, 956278366Sadrian (void **)&sc->shared, sizeof (struct wpi_shared), 4096); 957173362Sbenjsc} 958173362Sbenjsc 959173362Sbenjscstatic void 960173362Sbenjscwpi_free_shared(struct wpi_softc *sc) 961173362Sbenjsc{ 962173362Sbenjsc wpi_dma_contig_free(&sc->shared_dma); 963173362Sbenjsc} 964173362Sbenjsc 965278366Sadrian/* 966278366Sadrian * Allocate DMA-safe memory for firmware transfer. 967278366Sadrian */ 968173362Sbenjscstatic int 969278366Sadrianwpi_alloc_fwmem(struct wpi_softc *sc) 970173362Sbenjsc{ 971278366Sadrian /* Must be aligned on a 16-byte boundary. */ 972278366Sadrian return wpi_dma_contig_alloc(sc, &sc->fw_dma, NULL, 973278366Sadrian WPI_FW_TEXT_MAXSZ + WPI_FW_DATA_MAXSZ, 16); 974278366Sadrian} 975173362Sbenjsc 976278366Sadrianstatic void 977278366Sadrianwpi_free_fwmem(struct wpi_softc *sc) 978278366Sadrian{ 979278366Sadrian wpi_dma_contig_free(&sc->fw_dma); 980278366Sadrian} 981278366Sadrian 982278366Sadrianstatic int 983278366Sadrianwpi_alloc_rx_ring(struct wpi_softc *sc) 984278366Sadrian{ 985278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 986278366Sadrian bus_size_t size; 987173362Sbenjsc int i, error; 988173362Sbenjsc 989173362Sbenjsc ring->cur = 0; 990278366Sadrian ring->update = 0; 991173362Sbenjsc 992278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 993278366Sadrian 994278366Sadrian /* Allocate RX descriptors (16KB aligned.) */ 995278366Sadrian size = WPI_RX_RING_COUNT * sizeof (uint32_t); 996173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->desc_dma, 997278366Sadrian (void **)&ring->desc, size, WPI_RING_DMA_ALIGN); 998173362Sbenjsc if (error != 0) { 999177043Sthompsa device_printf(sc->sc_dev, 1000278366Sadrian "%s: could not allocate RX ring DMA memory, error %d\n", 1001177043Sthompsa __func__, error); 1002177043Sthompsa goto fail; 1003173362Sbenjsc } 1004173362Sbenjsc 1005278366Sadrian /* Create RX buffer DMA tag. */ 1006280059Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1007278366Sadrian BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 1008278366Sadrian MJUMPAGESIZE, 1, MJUMPAGESIZE, BUS_DMA_NOWAIT, NULL, NULL, 1009278366Sadrian &ring->data_dmat); 1010280059Sadrian if (error != 0) { 1011280059Sadrian device_printf(sc->sc_dev, 1012278366Sadrian "%s: could not create RX buf DMA tag, error %d\n", 1013177043Sthompsa __func__, error); 1014280059Sadrian goto fail; 1015280059Sadrian } 1016177043Sthompsa 1017173362Sbenjsc /* 1018278366Sadrian * Allocate and map RX buffers. 1019173362Sbenjsc */ 1020173362Sbenjsc for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1021177043Sthompsa struct wpi_rx_data *data = &ring->data[i]; 1022177043Sthompsa bus_addr_t paddr; 1023173362Sbenjsc 1024177043Sthompsa error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1025177043Sthompsa if (error != 0) { 1026173362Sbenjsc device_printf(sc->sc_dev, 1027278366Sadrian "%s: could not create RX buf DMA map, error %d\n", 1028177043Sthompsa __func__, error); 1029173362Sbenjsc goto fail; 1030173362Sbenjsc } 1031278366Sadrian 1032278366Sadrian data->m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1033278366Sadrian if (data->m == NULL) { 1034173362Sbenjsc device_printf(sc->sc_dev, 1035278366Sadrian "%s: could not allocate RX mbuf\n", __func__); 1036278366Sadrian error = ENOBUFS; 1037173362Sbenjsc goto fail; 1038173362Sbenjsc } 1039278366Sadrian 1040177043Sthompsa error = bus_dmamap_load(ring->data_dmat, data->map, 1041278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1042278366Sadrian &paddr, BUS_DMA_NOWAIT); 1043177043Sthompsa if (error != 0 && error != EFBIG) { 1044177043Sthompsa device_printf(sc->sc_dev, 1045278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, 1046278366Sadrian error); 1047173362Sbenjsc goto fail; 1048173362Sbenjsc } 1049177043Sthompsa 1050278366Sadrian /* Set physical address of RX buffer. */ 1051177043Sthompsa ring->desc[i] = htole32(paddr); 1052173362Sbenjsc } 1053278366Sadrian 1054173362Sbenjsc bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1055173362Sbenjsc BUS_DMASYNC_PREWRITE); 1056278366Sadrian 1057278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1058278366Sadrian 1059173362Sbenjsc return 0; 1060278366Sadrian 1061278366Sadrianfail: wpi_free_rx_ring(sc); 1062278366Sadrian 1063278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1064278366Sadrian 1065173362Sbenjsc return error; 1066173362Sbenjsc} 1067173362Sbenjsc 1068173362Sbenjscstatic void 1069278366Sadrianwpi_update_rx_ring(struct wpi_softc *sc) 1070173362Sbenjsc{ 1071278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1072173362Sbenjsc 1073280056Sadrian if (ring->update != 0) { 1074280056Sadrian /* Wait for INT_WAKEUP event. */ 1075280056Sadrian return; 1076280056Sadrian } 1077280056Sadrian 1078278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1079278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s: wakeup request\n", 1080278366Sadrian __func__); 1081173362Sbenjsc 1082278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1083278366Sadrian ring->update = 1; 1084278366Sadrian } else 1085278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, ring->cur & ~7); 1086278366Sadrian} 1087173362Sbenjsc 1088278366Sadrianstatic void 1089278366Sadrianwpi_reset_rx_ring(struct wpi_softc *sc) 1090278366Sadrian{ 1091278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1092278366Sadrian int ntries; 1093173362Sbenjsc 1094278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1095173362Sbenjsc 1096278366Sadrian if (wpi_nic_lock(sc) == 0) { 1097278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 0); 1098278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 1099278366Sadrian if (WPI_READ(sc, WPI_FH_RX_STATUS) & 1100278366Sadrian WPI_FH_RX_STATUS_IDLE) 1101278366Sadrian break; 1102278366Sadrian DELAY(10); 1103278366Sadrian } 1104278366Sadrian wpi_nic_unlock(sc); 1105278366Sadrian } 1106173362Sbenjsc 1107173362Sbenjsc ring->cur = 0; 1108278366Sadrian ring->update = 0; 1109173362Sbenjsc} 1110173362Sbenjsc 1111173362Sbenjscstatic void 1112278366Sadrianwpi_free_rx_ring(struct wpi_softc *sc) 1113173362Sbenjsc{ 1114278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1115173362Sbenjsc int i; 1116173362Sbenjsc 1117278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1118278366Sadrian 1119173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1120173362Sbenjsc 1121216824Sbschmidt for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1122216824Sbschmidt struct wpi_rx_data *data = &ring->data[i]; 1123216824Sbschmidt 1124216824Sbschmidt if (data->m != NULL) { 1125216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, 1126216824Sbschmidt BUS_DMASYNC_POSTREAD); 1127216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1128216824Sbschmidt m_freem(data->m); 1129278366Sadrian data->m = NULL; 1130216824Sbschmidt } 1131216824Sbschmidt if (data->map != NULL) 1132216824Sbschmidt bus_dmamap_destroy(ring->data_dmat, data->map); 1133216824Sbschmidt } 1134278366Sadrian if (ring->data_dmat != NULL) { 1135278366Sadrian bus_dma_tag_destroy(ring->data_dmat); 1136278366Sadrian ring->data_dmat = NULL; 1137278366Sadrian } 1138173362Sbenjsc} 1139173362Sbenjsc 1140173362Sbenjscstatic int 1141278366Sadrianwpi_alloc_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring, int qid) 1142173362Sbenjsc{ 1143278366Sadrian bus_addr_t paddr; 1144278366Sadrian bus_size_t size; 1145173362Sbenjsc int i, error; 1146173362Sbenjsc 1147173362Sbenjsc ring->qid = qid; 1148173362Sbenjsc ring->queued = 0; 1149173362Sbenjsc ring->cur = 0; 1150278366Sadrian ring->update = 0; 1151173362Sbenjsc 1152278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1153173362Sbenjsc 1154278366Sadrian /* Allocate TX descriptors (16KB aligned.) */ 1155278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_desc); 1156278366Sadrian error = wpi_dma_contig_alloc(sc, &ring->desc_dma, (void **)&ring->desc, 1157278366Sadrian size, WPI_RING_DMA_ALIGN); 1158173362Sbenjsc if (error != 0) { 1159278366Sadrian device_printf(sc->sc_dev, 1160278366Sadrian "%s: could not allocate TX ring DMA memory, error %d\n", 1161278366Sadrian __func__, error); 1162278366Sadrian goto fail; 1163173362Sbenjsc } 1164173362Sbenjsc 1165278366Sadrian /* Update shared area with ring physical address. */ 1166173362Sbenjsc sc->shared->txbase[qid] = htole32(ring->desc_dma.paddr); 1167278366Sadrian bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 1168278366Sadrian BUS_DMASYNC_PREWRITE); 1169173362Sbenjsc 1170278366Sadrian /* 1171278366Sadrian * We only use rings 0 through 4 (4 EDCA + cmd) so there is no need 1172278366Sadrian * to allocate commands space for other rings. 1173278366Sadrian * XXX Do we really need to allocate descriptors for other rings? 1174278366Sadrian */ 1175280064Sadrian if (qid > WPI_CMD_QUEUE_NUM) 1176278366Sadrian return 0; 1177278366Sadrian 1178278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_cmd); 1179173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->cmd_dma, (void **)&ring->cmd, 1180278366Sadrian size, 4); 1181173362Sbenjsc if (error != 0) { 1182173362Sbenjsc device_printf(sc->sc_dev, 1183278366Sadrian "%s: could not allocate TX cmd DMA memory, error %d\n", 1184278366Sadrian __func__, error); 1185173362Sbenjsc goto fail; 1186173362Sbenjsc } 1187173362Sbenjsc 1188173362Sbenjsc error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1189173362Sbenjsc BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1190173362Sbenjsc WPI_MAX_SCATTER - 1, MCLBYTES, BUS_DMA_NOWAIT, NULL, NULL, 1191173362Sbenjsc &ring->data_dmat); 1192173362Sbenjsc if (error != 0) { 1193278366Sadrian device_printf(sc->sc_dev, 1194278366Sadrian "%s: could not create TX buf DMA tag, error %d\n", 1195278366Sadrian __func__, error); 1196173362Sbenjsc goto fail; 1197173362Sbenjsc } 1198173362Sbenjsc 1199278366Sadrian paddr = ring->cmd_dma.paddr; 1200278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1201278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1202173362Sbenjsc 1203278366Sadrian data->cmd_paddr = paddr; 1204278366Sadrian paddr += sizeof (struct wpi_tx_cmd); 1205278366Sadrian 1206173362Sbenjsc error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1207173362Sbenjsc if (error != 0) { 1208173362Sbenjsc device_printf(sc->sc_dev, 1209278366Sadrian "%s: could not create TX buf DMA map, error %d\n", 1210278366Sadrian __func__, error); 1211173362Sbenjsc goto fail; 1212173362Sbenjsc } 1213173362Sbenjsc } 1214173362Sbenjsc 1215278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1216278366Sadrian 1217173362Sbenjsc return 0; 1218173362Sbenjsc 1219278366Sadrianfail: wpi_free_tx_ring(sc, ring); 1220278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1221173362Sbenjsc return error; 1222173362Sbenjsc} 1223173362Sbenjsc 1224173362Sbenjscstatic void 1225278366Sadrianwpi_update_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1226278366Sadrian{ 1227280056Sadrian if (ring->update != 0) { 1228280056Sadrian /* Wait for INT_WAKEUP event. */ 1229280056Sadrian return; 1230280056Sadrian } 1231280056Sadrian 1232278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1233278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s (%d): requesting wakeup\n", 1234278366Sadrian __func__, ring->qid); 1235278366Sadrian 1236278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1237278366Sadrian ring->update = 1; 1238278366Sadrian } else 1239278366Sadrian WPI_WRITE(sc, WPI_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur); 1240278366Sadrian} 1241278366Sadrian 1242278366Sadrianstatic void 1243173362Sbenjscwpi_reset_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1244173362Sbenjsc{ 1245278366Sadrian int i; 1246173362Sbenjsc 1247278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1248173362Sbenjsc 1249278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1250278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1251173362Sbenjsc 1252173362Sbenjsc if (data->m != NULL) { 1253278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1254278366Sadrian BUS_DMASYNC_POSTWRITE); 1255173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1256173362Sbenjsc m_freem(data->m); 1257173362Sbenjsc data->m = NULL; 1258173362Sbenjsc } 1259173362Sbenjsc } 1260278366Sadrian /* Clear TX descriptors. */ 1261278366Sadrian memset(ring->desc, 0, ring->desc_dma.size); 1262278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1263278366Sadrian BUS_DMASYNC_PREWRITE); 1264278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1265173362Sbenjsc ring->queued = 0; 1266173362Sbenjsc ring->cur = 0; 1267278366Sadrian ring->update = 0; 1268173362Sbenjsc} 1269173362Sbenjsc 1270173362Sbenjscstatic void 1271173362Sbenjscwpi_free_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1272173362Sbenjsc{ 1273173362Sbenjsc int i; 1274173362Sbenjsc 1275278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1276278366Sadrian 1277173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1278173362Sbenjsc wpi_dma_contig_free(&ring->cmd_dma); 1279173362Sbenjsc 1280278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1281278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1282173362Sbenjsc 1283278366Sadrian if (data->m != NULL) { 1284278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1285278366Sadrian BUS_DMASYNC_POSTWRITE); 1286278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1287278366Sadrian m_freem(data->m); 1288173362Sbenjsc } 1289278366Sadrian if (data->map != NULL) 1290278366Sadrian bus_dmamap_destroy(ring->data_dmat, data->map); 1291173362Sbenjsc } 1292278366Sadrian if (ring->data_dmat != NULL) { 1293173362Sbenjsc bus_dma_tag_destroy(ring->data_dmat); 1294278366Sadrian ring->data_dmat = NULL; 1295278366Sadrian } 1296173362Sbenjsc} 1297173362Sbenjsc 1298278366Sadrian/* 1299278366Sadrian * Extract various information from EEPROM. 1300278366Sadrian */ 1301173362Sbenjscstatic int 1302278366Sadrianwpi_read_eeprom(struct wpi_softc *sc, uint8_t macaddr[IEEE80211_ADDR_LEN]) 1303173362Sbenjsc{ 1304278366Sadrian#define WPI_CHK(res) do { \ 1305278366Sadrian if ((error = res) != 0) \ 1306278366Sadrian goto fail; \ 1307278366Sadrian} while (0) 1308278366Sadrian int error, i; 1309173362Sbenjsc 1310278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1311173362Sbenjsc 1312278366Sadrian /* Adapter has to be powered on for EEPROM access to work. */ 1313278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 1314278366Sadrian device_printf(sc->sc_dev, 1315278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 1316278366Sadrian error); 1317278366Sadrian return error; 1318278366Sadrian } 1319278366Sadrian 1320278366Sadrian if ((WPI_READ(sc, WPI_EEPROM_GP) & 0x6) == 0) { 1321278366Sadrian device_printf(sc->sc_dev, "bad EEPROM signature\n"); 1322278366Sadrian error = EIO; 1323278366Sadrian goto fail; 1324278366Sadrian } 1325278366Sadrian /* Clear HW ownership of EEPROM. */ 1326278366Sadrian WPI_CLRBITS(sc, WPI_EEPROM_GP, WPI_EEPROM_GP_IF_OWNER); 1327278366Sadrian 1328278366Sadrian /* Read the hardware capabilities, revision and SKU type. */ 1329278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_SKU_CAP, &sc->cap, 1330278366Sadrian sizeof(sc->cap))); 1331278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_REVISION, &sc->rev, 1332278366Sadrian sizeof(sc->rev))); 1333278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_TYPE, &sc->type, 1334278366Sadrian sizeof(sc->type))); 1335278366Sadrian 1336280076Sadrian sc->rev = le16toh(sc->rev); 1337280066Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, "cap=%x rev=%x type=%x\n", sc->cap, 1338280076Sadrian sc->rev, sc->type); 1339278366Sadrian 1340278366Sadrian /* Read the regulatory domain (4 ASCII characters.) */ 1341278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_DOMAIN, sc->domain, 1342278366Sadrian sizeof(sc->domain))); 1343278366Sadrian 1344278366Sadrian /* Read MAC address. */ 1345278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_MAC, macaddr, 1346278366Sadrian IEEE80211_ADDR_LEN)); 1347278366Sadrian 1348278366Sadrian /* Read the list of authorized channels. */ 1349278366Sadrian for (i = 0; i < WPI_CHAN_BANDS_COUNT; i++) 1350278366Sadrian WPI_CHK(wpi_read_eeprom_channels(sc, i)); 1351278366Sadrian 1352278366Sadrian /* Read the list of TX power groups. */ 1353278366Sadrian for (i = 0; i < WPI_POWER_GROUPS_COUNT; i++) 1354278366Sadrian WPI_CHK(wpi_read_eeprom_group(sc, i)); 1355278366Sadrian 1356278366Sadrianfail: wpi_apm_stop(sc); /* Power OFF adapter. */ 1357278366Sadrian 1358278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, error ? TRACE_STR_END_ERR : TRACE_STR_END, 1359278366Sadrian __func__); 1360278366Sadrian 1361278366Sadrian return error; 1362278366Sadrian#undef WPI_CHK 1363278366Sadrian} 1364278366Sadrian 1365278366Sadrian/* 1366278366Sadrian * Translate EEPROM flags to net80211. 1367278366Sadrian */ 1368278366Sadrianstatic uint32_t 1369278366Sadrianwpi_eeprom_channel_flags(struct wpi_eeprom_chan *channel) 1370278366Sadrian{ 1371278366Sadrian uint32_t nflags; 1372278366Sadrian 1373278366Sadrian nflags = 0; 1374278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_ACTIVE) == 0) 1375278366Sadrian nflags |= IEEE80211_CHAN_PASSIVE; 1376278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_IBSS) == 0) 1377278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1378278366Sadrian if (channel->flags & WPI_EEPROM_CHAN_RADAR) { 1379278366Sadrian nflags |= IEEE80211_CHAN_DFS; 1380278366Sadrian /* XXX apparently IBSS may still be marked */ 1381278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1382278366Sadrian } 1383278366Sadrian 1384278366Sadrian return nflags; 1385278366Sadrian} 1386278366Sadrian 1387278366Sadrianstatic void 1388278366Sadrianwpi_read_eeprom_band(struct wpi_softc *sc, int n) 1389278366Sadrian{ 1390278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1391278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1392278366Sadrian struct wpi_eeprom_chan *channels = sc->eeprom_channels[n]; 1393278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1394278366Sadrian struct ieee80211_channel *c; 1395278366Sadrian uint8_t chan; 1396278366Sadrian int i, nflags; 1397278366Sadrian 1398278366Sadrian for (i = 0; i < band->nchan; i++) { 1399278366Sadrian if (!(channels[i].flags & WPI_EEPROM_CHAN_VALID)) { 1400280080Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1401278366Sadrian "Channel Not Valid: %d, band %d\n", 1402278366Sadrian band->chan[i],n); 1403278366Sadrian continue; 1404278366Sadrian } 1405278366Sadrian 1406278366Sadrian chan = band->chan[i]; 1407278366Sadrian nflags = wpi_eeprom_channel_flags(&channels[i]); 1408278366Sadrian 1409278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1410278366Sadrian c->ic_ieee = chan; 1411278366Sadrian c->ic_maxregpower = channels[i].maxpwr; 1412278366Sadrian c->ic_maxpower = 2*c->ic_maxregpower; 1413278366Sadrian 1414278366Sadrian if (n == 0) { /* 2GHz band */ 1415280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1416280066Sadrian IEEE80211_CHAN_G); 1417280066Sadrian 1418278366Sadrian /* G =>'s B is supported */ 1419278366Sadrian c->ic_flags = IEEE80211_CHAN_B | nflags; 1420278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1421278366Sadrian c[0] = c[-1]; 1422278366Sadrian c->ic_flags = IEEE80211_CHAN_G | nflags; 1423278366Sadrian } else { /* 5GHz band */ 1424280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1425280066Sadrian IEEE80211_CHAN_A); 1426280066Sadrian 1427278366Sadrian c->ic_flags = IEEE80211_CHAN_A | nflags; 1428278366Sadrian } 1429278366Sadrian 1430278366Sadrian /* Save maximum allowed TX power for this channel. */ 1431278366Sadrian sc->maxpwr[chan] = channels[i].maxpwr; 1432278366Sadrian 1433278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1434278366Sadrian "adding chan %d (%dMHz) flags=0x%x maxpwr=%d passive=%d," 1435278366Sadrian " offset %d\n", chan, c->ic_freq, 1436278366Sadrian channels[i].flags, sc->maxpwr[chan], 1437278764Sadrian IEEE80211_IS_CHAN_PASSIVE(c), ic->ic_nchans); 1438278366Sadrian } 1439278366Sadrian} 1440278366Sadrian 1441278366Sadrian/** 1442278366Sadrian * Read the eeprom to find out what channels are valid for the given 1443278366Sadrian * band and update net80211 with what we find. 1444278366Sadrian */ 1445278366Sadrianstatic int 1446278366Sadrianwpi_read_eeprom_channels(struct wpi_softc *sc, int n) 1447278366Sadrian{ 1448278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1449278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1450278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1451278366Sadrian int error; 1452278366Sadrian 1453278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1454278366Sadrian 1455278366Sadrian error = wpi_read_prom_data(sc, band->addr, &sc->eeprom_channels[n], 1456278366Sadrian band->nchan * sizeof (struct wpi_eeprom_chan)); 1457278366Sadrian if (error != 0) { 1458278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1459278366Sadrian return error; 1460278366Sadrian } 1461278366Sadrian 1462278366Sadrian wpi_read_eeprom_band(sc, n); 1463278366Sadrian 1464278366Sadrian ieee80211_sort_channels(ic->ic_channels, ic->ic_nchans); 1465278366Sadrian 1466278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1467278366Sadrian 1468173362Sbenjsc return 0; 1469173362Sbenjsc} 1470173362Sbenjsc 1471278366Sadrianstatic struct wpi_eeprom_chan * 1472278366Sadrianwpi_find_eeprom_channel(struct wpi_softc *sc, struct ieee80211_channel *c) 1473278366Sadrian{ 1474278366Sadrian int i, j; 1475278366Sadrian 1476278366Sadrian for (j = 0; j < WPI_CHAN_BANDS_COUNT; j++) 1477278366Sadrian for (i = 0; i < wpi_bands[j].nchan; i++) 1478278366Sadrian if (wpi_bands[j].chan[i] == c->ic_ieee) 1479278366Sadrian return &sc->eeprom_channels[j][i]; 1480278366Sadrian 1481278366Sadrian return NULL; 1482278366Sadrian} 1483278366Sadrian 1484278366Sadrian/* 1485278366Sadrian * Enforce flags read from EEPROM. 1486278366Sadrian */ 1487173362Sbenjscstatic int 1488278366Sadrianwpi_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *rd, 1489278366Sadrian int nchan, struct ieee80211_channel chans[]) 1490173362Sbenjsc{ 1491278366Sadrian struct ifnet *ifp = ic->ic_ifp; 1492278366Sadrian struct wpi_softc *sc = ifp->if_softc; 1493278366Sadrian int i; 1494173362Sbenjsc 1495278366Sadrian for (i = 0; i < nchan; i++) { 1496278366Sadrian struct ieee80211_channel *c = &chans[i]; 1497278366Sadrian struct wpi_eeprom_chan *channel; 1498278366Sadrian 1499278366Sadrian channel = wpi_find_eeprom_channel(sc, c); 1500278366Sadrian if (channel == NULL) { 1501278366Sadrian if_printf(ic->ic_ifp, 1502278366Sadrian "%s: invalid channel %u freq %u/0x%x\n", 1503278366Sadrian __func__, c->ic_ieee, c->ic_freq, c->ic_flags); 1504278366Sadrian return EINVAL; 1505278366Sadrian } 1506278366Sadrian c->ic_flags |= wpi_eeprom_channel_flags(channel); 1507278366Sadrian } 1508278366Sadrian 1509173362Sbenjsc return 0; 1510173362Sbenjsc} 1511173362Sbenjsc 1512173362Sbenjscstatic int 1513278366Sadrianwpi_read_eeprom_group(struct wpi_softc *sc, int n) 1514173362Sbenjsc{ 1515278366Sadrian struct wpi_power_group *group = &sc->groups[n]; 1516278366Sadrian struct wpi_eeprom_group rgroup; 1517278366Sadrian int i, error; 1518173362Sbenjsc 1519278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1520173362Sbenjsc 1521278366Sadrian if ((error = wpi_read_prom_data(sc, WPI_EEPROM_POWER_GRP + n * 32, 1522278366Sadrian &rgroup, sizeof rgroup)) != 0) { 1523278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1524278366Sadrian return error; 1525278366Sadrian } 1526278366Sadrian 1527278366Sadrian /* Save TX power group information. */ 1528278366Sadrian group->chan = rgroup.chan; 1529278366Sadrian group->maxpwr = rgroup.maxpwr; 1530278366Sadrian /* Retrieve temperature at which the samples were taken. */ 1531278366Sadrian group->temp = (int16_t)le16toh(rgroup.temp); 1532278366Sadrian 1533278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1534278366Sadrian "power group %d: chan=%d maxpwr=%d temp=%d\n", n, group->chan, 1535278366Sadrian group->maxpwr, group->temp); 1536278366Sadrian 1537278366Sadrian for (i = 0; i < WPI_SAMPLES_COUNT; i++) { 1538278366Sadrian group->samples[i].index = rgroup.samples[i].index; 1539278366Sadrian group->samples[i].power = rgroup.samples[i].power; 1540278366Sadrian 1541278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1542278366Sadrian "\tsample %d: index=%d power=%d\n", i, 1543278366Sadrian group->samples[i].index, group->samples[i].power); 1544278366Sadrian } 1545278366Sadrian 1546278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1547278366Sadrian 1548173362Sbenjsc return 0; 1549173362Sbenjsc} 1550173362Sbenjsc 1551280069Sadrianstatic int 1552280069Sadrianwpi_add_node_entry_adhoc(struct wpi_softc *sc) 1553280069Sadrian{ 1554280069Sadrian int newid = WPI_ID_IBSS_MIN; 1555280069Sadrian 1556280069Sadrian for (; newid <= WPI_ID_IBSS_MAX; newid++) { 1557280069Sadrian if ((sc->nodesmsk & (1 << newid)) == 0) { 1558280069Sadrian sc->nodesmsk |= 1 << newid; 1559280069Sadrian return newid; 1560280069Sadrian } 1561280069Sadrian } 1562280069Sadrian 1563280069Sadrian return WPI_ID_UNDEFINED; 1564280069Sadrian} 1565280069Sadrian 1566280069Sadrianstatic __inline int 1567280070Sadrianwpi_add_node_entry_sta(struct wpi_softc *sc) 1568280070Sadrian{ 1569280070Sadrian sc->nodesmsk |= 1 << WPI_ID_BSS; 1570280070Sadrian 1571280070Sadrian return WPI_ID_BSS; 1572280070Sadrian} 1573280070Sadrian 1574280070Sadrianstatic __inline int 1575280069Sadrianwpi_check_node_entry(struct wpi_softc *sc, uint8_t id) 1576280069Sadrian{ 1577280069Sadrian if (id == WPI_ID_UNDEFINED) 1578280069Sadrian return 0; 1579280069Sadrian 1580280069Sadrian return (sc->nodesmsk >> id) & 1; 1581280069Sadrian} 1582280069Sadrian 1583280069Sadrianstatic __inline void 1584280069Sadrianwpi_clear_node_table(struct wpi_softc *sc) 1585280069Sadrian{ 1586280069Sadrian sc->nodesmsk = 0; 1587280069Sadrian} 1588280069Sadrian 1589280069Sadrianstatic __inline void 1590280069Sadrianwpi_del_node_entry(struct wpi_softc *sc, uint8_t id) 1591280069Sadrian{ 1592280069Sadrian sc->nodesmsk &= ~(1 << id); 1593280069Sadrian} 1594280069Sadrian 1595278366Sadrianstatic struct ieee80211_node * 1596278366Sadrianwpi_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 1597278366Sadrian{ 1598278366Sadrian struct wpi_node *wn; 1599278366Sadrian 1600278366Sadrian wn = malloc(sizeof (struct wpi_node), M_80211_NODE, 1601278366Sadrian M_NOWAIT | M_ZERO); 1602278366Sadrian 1603278366Sadrian if (wn == NULL) 1604278366Sadrian return NULL; 1605278366Sadrian 1606278366Sadrian wn->id = WPI_ID_UNDEFINED; 1607278366Sadrian 1608278366Sadrian return &wn->ni; 1609278366Sadrian} 1610278366Sadrian 1611278366Sadrianstatic void 1612278366Sadrianwpi_node_free(struct ieee80211_node *ni) 1613278366Sadrian{ 1614278366Sadrian struct ieee80211com *ic = ni->ni_ic; 1615278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 1616280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 1617278366Sadrian 1618280070Sadrian if (wn->id != WPI_ID_UNDEFINED) { 1619280077Sadrian WPI_NT_LOCK(sc); 1620280069Sadrian if (wpi_check_node_entry(sc, wn->id)) { 1621280069Sadrian wpi_del_node_entry(sc, wn->id); 1622278366Sadrian wpi_del_node(sc, ni); 1623280069Sadrian } 1624280077Sadrian WPI_NT_UNLOCK(sc); 1625278366Sadrian } 1626278366Sadrian 1627278366Sadrian sc->sc_node_free(ni); 1628278366Sadrian} 1629278366Sadrian 1630173362Sbenjsc/** 1631173362Sbenjsc * Called by net80211 when ever there is a change to 80211 state machine 1632173362Sbenjsc */ 1633173362Sbenjscstatic int 1634178354Ssamwpi_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1635173362Sbenjsc{ 1636178354Ssam struct wpi_vap *wvp = WPI_VAP(vap); 1637178354Ssam struct ieee80211com *ic = vap->iv_ic; 1638173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 1639173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 1640278366Sadrian int error = 0; 1641173362Sbenjsc 1642278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1643278366Sadrian 1644278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "%s: %s -> %s\n", __func__, 1645178354Ssam ieee80211_state_name[vap->iv_state], 1646278366Sadrian ieee80211_state_name[nstate]); 1647173362Sbenjsc 1648191746Sthompsa IEEE80211_UNLOCK(ic); 1649191746Sthompsa WPI_LOCK(sc); 1650278366Sadrian switch (nstate) { 1651278366Sadrian case IEEE80211_S_SCAN: 1652278366Sadrian if ((vap->iv_opmode == IEEE80211_M_IBSS || 1653278366Sadrian vap->iv_opmode == IEEE80211_M_AHDEMO) && 1654278366Sadrian (sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 1655278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 1656278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 1657278366Sadrian device_printf(sc->sc_dev, 1658278366Sadrian "%s: could not send RXON\n", __func__); 1659278366Sadrian } 1660216238Sbschmidt } 1661278366Sadrian break; 1662278366Sadrian 1663278366Sadrian case IEEE80211_S_ASSOC: 1664278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1665278366Sadrian break; 1666278366Sadrian /* FALLTHROUGH */ 1667278366Sadrian case IEEE80211_S_AUTH: 1668216238Sbschmidt /* 1669216238Sbschmidt * The node must be registered in the firmware before auth. 1670216238Sbschmidt * Also the associd must be cleared on RUN -> ASSOC 1671216238Sbschmidt * transitions. 1672216238Sbschmidt */ 1673278366Sadrian if ((error = wpi_auth(sc, vap)) != 0) { 1674191746Sthompsa device_printf(sc->sc_dev, 1675278366Sadrian "%s: could not move to AUTH state, error %d\n", 1676191746Sthompsa __func__, error); 1677191746Sthompsa } 1678278366Sadrian break; 1679278366Sadrian 1680278366Sadrian case IEEE80211_S_RUN: 1681278366Sadrian /* 1682278366Sadrian * RUN -> RUN transition; Just restart the timers. 1683278366Sadrian */ 1684278366Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 1685278366Sadrian wpi_calib_timeout(sc); 1686278366Sadrian break; 1687278366Sadrian } 1688278366Sadrian 1689278366Sadrian /* 1690278366Sadrian * !RUN -> RUN requires setting the association id 1691278366Sadrian * which is done with a firmware cmd. We also defer 1692278366Sadrian * starting the timers until that work is done. 1693278366Sadrian */ 1694278366Sadrian if ((error = wpi_run(sc, vap)) != 0) { 1695191746Sthompsa device_printf(sc->sc_dev, 1696278366Sadrian "%s: could not move to RUN state\n", __func__); 1697191746Sthompsa } 1698278366Sadrian break; 1699278366Sadrian 1700278366Sadrian default: 1701278366Sadrian break; 1702178354Ssam } 1703191746Sthompsa WPI_UNLOCK(sc); 1704191746Sthompsa IEEE80211_LOCK(ic); 1705278366Sadrian if (error != 0) { 1706278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1707278366Sadrian return error; 1708278366Sadrian } 1709173362Sbenjsc 1710278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1711173362Sbenjsc 1712280085Sadrian return wvp->wv_newstate(vap, nstate, arg); 1713173362Sbenjsc} 1714173362Sbenjsc 1715173362Sbenjscstatic void 1716278366Sadrianwpi_calib_timeout(void *arg) 1717173362Sbenjsc{ 1718278366Sadrian struct wpi_softc *sc = arg; 1719278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1720278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1721278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1722173362Sbenjsc 1723278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1724278366Sadrian return; 1725173362Sbenjsc 1726278366Sadrian wpi_power_calibration(sc); 1727173362Sbenjsc 1728278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 1729173362Sbenjsc} 1730173362Sbenjsc 1731278366Sadrianstatic __inline uint8_t 1732278366Sadrianrate2plcp(const uint8_t rate) 1733173362Sbenjsc{ 1734278366Sadrian switch (rate) { 1735278366Sadrian case 12: return 0xd; 1736278366Sadrian case 18: return 0xf; 1737278366Sadrian case 24: return 0x5; 1738278366Sadrian case 36: return 0x7; 1739278366Sadrian case 48: return 0x9; 1740278366Sadrian case 72: return 0xb; 1741278366Sadrian case 96: return 0x1; 1742278366Sadrian case 108: return 0x3; 1743278366Sadrian case 2: return 10; 1744278366Sadrian case 4: return 20; 1745278366Sadrian case 11: return 55; 1746278366Sadrian case 22: return 110; 1747278366Sadrian default: return 0; 1748173362Sbenjsc } 1749173362Sbenjsc} 1750173362Sbenjsc 1751278366Sadrianstatic __inline uint8_t 1752278366Sadrianplcp2rate(const uint8_t plcp) 1753173362Sbenjsc{ 1754278366Sadrian switch (plcp) { 1755278366Sadrian case 0xd: return 12; 1756278366Sadrian case 0xf: return 18; 1757278366Sadrian case 0x5: return 24; 1758278366Sadrian case 0x7: return 36; 1759278366Sadrian case 0x9: return 48; 1760278366Sadrian case 0xb: return 72; 1761278366Sadrian case 0x1: return 96; 1762278366Sadrian case 0x3: return 108; 1763278366Sadrian case 10: return 2; 1764278366Sadrian case 20: return 4; 1765278366Sadrian case 55: return 11; 1766278366Sadrian case 110: return 22; 1767278366Sadrian default: return 0; 1768173362Sbenjsc } 1769278366Sadrian} 1770173362Sbenjsc 1771278366Sadrian/* Quickly determine if a given rate is CCK or OFDM. */ 1772278366Sadrian#define WPI_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22) 1773173362Sbenjsc 1774173362Sbenjscstatic void 1775278366Sadrianwpi_rx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1776278366Sadrian struct wpi_rx_data *data) 1777173362Sbenjsc{ 1778178354Ssam struct ifnet *ifp = sc->sc_ifp; 1779178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1780173362Sbenjsc struct wpi_rx_ring *ring = &sc->rxq; 1781173362Sbenjsc struct wpi_rx_stat *stat; 1782173362Sbenjsc struct wpi_rx_head *head; 1783173362Sbenjsc struct wpi_rx_tail *tail; 1784278366Sadrian struct ieee80211_frame *wh; 1785173362Sbenjsc struct ieee80211_node *ni; 1786278366Sadrian struct mbuf *m, *m1; 1787177043Sthompsa bus_addr_t paddr; 1788278366Sadrian uint32_t flags; 1789278366Sadrian uint16_t len; 1790177043Sthompsa int error; 1791173362Sbenjsc 1792173362Sbenjsc stat = (struct wpi_rx_stat *)(desc + 1); 1793173362Sbenjsc 1794173362Sbenjsc if (stat->len > WPI_STAT_MAXLEN) { 1795278366Sadrian device_printf(sc->sc_dev, "invalid RX statistic header\n"); 1796278764Sadrian goto fail1; 1797173362Sbenjsc } 1798173362Sbenjsc 1799216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTREAD); 1800173362Sbenjsc head = (struct wpi_rx_head *)((caddr_t)(stat + 1) + stat->len); 1801278366Sadrian len = le16toh(head->len); 1802278366Sadrian tail = (struct wpi_rx_tail *)((caddr_t)(head + 1) + len); 1803278366Sadrian flags = le32toh(tail->flags); 1804173362Sbenjsc 1805278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: idx %d len %d stat len %u rssi %d" 1806278366Sadrian " rate %x chan %d tstamp %ju\n", __func__, ring->cur, 1807278366Sadrian le32toh(desc->len), len, (int8_t)stat->rssi, 1808278366Sadrian head->plcp, head->chan, (uintmax_t)le64toh(tail->tstamp)); 1809173362Sbenjsc 1810278366Sadrian /* Discard frames with a bad FCS early. */ 1811278366Sadrian if ((flags & WPI_RX_NOERROR) != WPI_RX_NOERROR) { 1812278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: RX flags error %x\n", 1813278366Sadrian __func__, flags); 1814278764Sadrian goto fail1; 1815190458Sjmallett } 1816278366Sadrian /* Discard frames that are too short. */ 1817278366Sadrian if (len < sizeof (*wh)) { 1818278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: frame too short: %d\n", 1819278366Sadrian __func__, len); 1820278764Sadrian goto fail1; 1821190458Sjmallett } 1822190458Sjmallett 1823278366Sadrian m1 = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1824278366Sadrian if (m1 == NULL) { 1825278366Sadrian DPRINTF(sc, WPI_DEBUG_ANY, "%s: no mbuf to restock ring\n", 1826278366Sadrian __func__); 1827278764Sadrian goto fail1; 1828177043Sthompsa } 1829216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1830216824Sbschmidt 1831278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, mtod(m1, void *), 1832278366Sadrian MJUMPAGESIZE, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 1833177043Sthompsa if (error != 0 && error != EFBIG) { 1834177043Sthompsa device_printf(sc->sc_dev, 1835177043Sthompsa "%s: bus_dmamap_load failed, error %d\n", __func__, error); 1836278366Sadrian m_freem(m1); 1837278366Sadrian 1838278366Sadrian /* Try to reload the old mbuf. */ 1839278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, 1840278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1841278366Sadrian &paddr, BUS_DMA_NOWAIT); 1842278366Sadrian if (error != 0 && error != EFBIG) { 1843278366Sadrian panic("%s: could not load old RX mbuf", __func__); 1844278366Sadrian } 1845278366Sadrian /* Physical address may have changed. */ 1846278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1847278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->desc_dma.map, 1848278366Sadrian BUS_DMASYNC_PREWRITE); 1849278764Sadrian goto fail1; 1850177043Sthompsa } 1851177043Sthompsa 1852173362Sbenjsc m = data->m; 1853278366Sadrian data->m = m1; 1854278366Sadrian /* Update RX descriptor. */ 1855278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1856278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1857278366Sadrian BUS_DMASYNC_PREWRITE); 1858278366Sadrian 1859278366Sadrian /* Finalize mbuf. */ 1860173362Sbenjsc m->m_pkthdr.rcvif = ifp; 1861173362Sbenjsc m->m_data = (caddr_t)(head + 1); 1862278366Sadrian m->m_pkthdr.len = m->m_len = len; 1863173362Sbenjsc 1864278366Sadrian /* Grab a reference to the source node. */ 1865278366Sadrian wh = mtod(m, struct ieee80211_frame *); 1866173362Sbenjsc 1867278366Sadrian if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) && 1868280088Sadrian (flags & WPI_RX_CIPHER_MASK) == WPI_RX_CIPHER_CCMP) { 1869278366Sadrian /* Check whether decryption was successful or not. */ 1870278366Sadrian if ((flags & WPI_RX_DECRYPT_MASK) != WPI_RX_DECRYPT_OK) { 1871278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, 1872278366Sadrian "CCMP decryption failed 0x%x\n", flags); 1873278764Sadrian goto fail2; 1874278366Sadrian } 1875278366Sadrian m->m_flags |= M_WEP; 1876278366Sadrian } 1877278366Sadrian 1878280088Sadrian ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1879280088Sadrian 1880192468Ssam if (ieee80211_radiotap_active(ic)) { 1881173362Sbenjsc struct wpi_rx_radiotap_header *tap = &sc->sc_rxtap; 1882173362Sbenjsc 1883173362Sbenjsc tap->wr_flags = 0; 1884278366Sadrian if (head->flags & htole16(WPI_STAT_FLAG_SHPREAMBLE)) 1885278366Sadrian tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 1886280064Sadrian tap->wr_dbm_antsignal = (int8_t)(stat->rssi + WPI_RSSI_OFFSET); 1887280081Sadrian tap->wr_dbm_antnoise = WPI_RSSI_OFFSET; 1888173362Sbenjsc tap->wr_tsft = tail->tstamp; 1889173362Sbenjsc tap->wr_antenna = (le16toh(head->flags) >> 4) & 0xf; 1890278366Sadrian tap->wr_rate = plcp2rate(head->plcp); 1891173362Sbenjsc } 1892173362Sbenjsc 1893173362Sbenjsc WPI_UNLOCK(sc); 1894173362Sbenjsc 1895278366Sadrian /* Send the frame to the 802.11 layer. */ 1896178354Ssam if (ni != NULL) { 1897280064Sadrian (void)ieee80211_input(ni, m, stat->rssi, WPI_RSSI_OFFSET); 1898278366Sadrian /* Node is no longer needed. */ 1899178354Ssam ieee80211_free_node(ni); 1900178354Ssam } else 1901280064Sadrian (void)ieee80211_input_all(ic, m, stat->rssi, WPI_RSSI_OFFSET); 1902173362Sbenjsc 1903173362Sbenjsc WPI_LOCK(sc); 1904278764Sadrian 1905278764Sadrian return; 1906278764Sadrian 1907280088Sadrianfail2: m_freem(m); 1908278764Sadrian 1909278764Sadrianfail1: if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1910173362Sbenjsc} 1911173362Sbenjsc 1912173362Sbenjscstatic void 1913278366Sadrianwpi_rx_statistics(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1914278366Sadrian struct wpi_rx_data *data) 1915173362Sbenjsc{ 1916278366Sadrian /* Ignore */ 1917278366Sadrian} 1918278366Sadrian 1919278366Sadrianstatic void 1920278366Sadrianwpi_tx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1921278366Sadrian{ 1922178354Ssam struct ifnet *ifp = sc->sc_ifp; 1923173362Sbenjsc struct wpi_tx_ring *ring = &sc->txq[desc->qid & 0x3]; 1924278366Sadrian struct wpi_tx_data *data = &ring->data[desc->idx]; 1925173362Sbenjsc struct wpi_tx_stat *stat = (struct wpi_tx_stat *)(desc + 1); 1926278366Sadrian struct mbuf *m; 1927278366Sadrian struct ieee80211_node *ni; 1928278366Sadrian struct ieee80211vap *vap; 1929280078Sadrian struct ieee80211com *ic; 1930280054Sadrian int ackfailcnt = stat->ackfailcnt / 2; /* wpi_mrr_setup() */ 1931278366Sadrian int status = le32toh(stat->status); 1932173362Sbenjsc 1933278366Sadrian KASSERT(data->ni != NULL, ("no node")); 1934173362Sbenjsc 1935278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1936278366Sadrian 1937278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: " 1938278366Sadrian "qid %d idx %d retries %d btkillcnt %d rate %x duration %d " 1939278764Sadrian "status %x\n", __func__, desc->qid, desc->idx, ackfailcnt, 1940278366Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), status); 1941278366Sadrian 1942278366Sadrian /* Unmap and free mbuf. */ 1943278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTWRITE); 1944278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1945278366Sadrian m = data->m, data->m = NULL; 1946278366Sadrian ni = data->ni, data->ni = NULL; 1947278366Sadrian vap = ni->ni_vap; 1948280078Sadrian ic = vap->iv_ic; 1949278366Sadrian 1950173362Sbenjsc /* 1951173362Sbenjsc * Update rate control statistics for the node. 1952173362Sbenjsc */ 1953278366Sadrian WPI_UNLOCK(sc); 1954278366Sadrian if ((status & 0xff) != 1) { 1955271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1956278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1957278764Sadrian IEEE80211_RATECTL_TX_FAILURE, &ackfailcnt, NULL); 1958278366Sadrian } else { 1959271849Sglebius if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1960278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1961278764Sadrian IEEE80211_RATECTL_TX_SUCCESS, &ackfailcnt, NULL); 1962278366Sadrian } 1963173362Sbenjsc 1964278366Sadrian ieee80211_tx_complete(ni, m, (status & 0xff) != 1); 1965278366Sadrian WPI_LOCK(sc); 1966173362Sbenjsc 1967278366Sadrian sc->sc_tx_timer = 0; 1968278366Sadrian if (--ring->queued < WPI_TX_RING_LOMARK) { 1969278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1970280097Sadrian IF_LOCK(&ifp->if_snd); 1971278366Sadrian if (sc->qfullmsk == 0 && 1972278366Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) { 1973278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1974280097Sadrian IF_UNLOCK(&ifp->if_snd); 1975280078Sadrian ieee80211_runtask(ic, &sc->sc_start_task); 1976280097Sadrian } else 1977280097Sadrian IF_UNLOCK(&ifp->if_snd); 1978278366Sadrian } 1979173362Sbenjsc 1980278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1981173362Sbenjsc} 1982173362Sbenjsc 1983278366Sadrian/* 1984278366Sadrian * Process a "command done" firmware notification. This is where we wakeup 1985278366Sadrian * processes waiting for a synchronous command completion. 1986278366Sadrian */ 1987173362Sbenjscstatic void 1988278366Sadrianwpi_cmd_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1989173362Sbenjsc{ 1990280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 1991173362Sbenjsc struct wpi_tx_data *data; 1992173362Sbenjsc 1993278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "cmd notification qid=%x idx=%d flags=%x " 1994278366Sadrian "type=%s len=%d\n", desc->qid, desc->idx, 1995278366Sadrian desc->flags, wpi_cmd_str(desc->type), 1996278366Sadrian le32toh(desc->len)); 1997173362Sbenjsc 1998280064Sadrian if ((desc->qid & WPI_RX_DESC_QID_MSK) != WPI_CMD_QUEUE_NUM) 1999278366Sadrian return; /* Not a command ack. */ 2000173362Sbenjsc 2001280075Sadrian KASSERT(ring->queued == 0, ("ring->queued must be 0")); 2002280075Sadrian 2003173362Sbenjsc data = &ring->data[desc->idx]; 2004173362Sbenjsc 2005278366Sadrian /* If the command was mapped in an mbuf, free it. */ 2006173362Sbenjsc if (data->m != NULL) { 2007278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 2008278366Sadrian BUS_DMASYNC_POSTWRITE); 2009173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 2010173362Sbenjsc m_freem(data->m); 2011173362Sbenjsc data->m = NULL; 2012173362Sbenjsc } 2013173362Sbenjsc 2014173362Sbenjsc wakeup(&ring->cmd[desc->idx]); 2015173362Sbenjsc} 2016173362Sbenjsc 2017173362Sbenjscstatic void 2018173362Sbenjscwpi_notif_intr(struct wpi_softc *sc) 2019173362Sbenjsc{ 2020178354Ssam struct ifnet *ifp = sc->sc_ifp; 2021178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2022278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2023278366Sadrian int hw; 2024173362Sbenjsc 2025216523Sbschmidt bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 2026216523Sbschmidt BUS_DMASYNC_POSTREAD); 2027216523Sbschmidt 2028173362Sbenjsc hw = le32toh(sc->shared->next); 2029278366Sadrian hw = (hw == 0) ? WPI_RX_RING_COUNT - 1 : hw - 1; 2030216523Sbschmidt 2031278764Sadrian while (sc->rxq.cur != hw) { 2032278366Sadrian sc->rxq.cur = (sc->rxq.cur + 1) % WPI_RX_RING_COUNT; 2033278366Sadrian 2034278366Sadrian struct wpi_rx_data *data = &sc->rxq.data[sc->rxq.cur]; 2035278366Sadrian struct wpi_rx_desc *desc; 2036278366Sadrian 2037216523Sbschmidt bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2038216523Sbschmidt BUS_DMASYNC_POSTREAD); 2039278366Sadrian desc = mtod(data->m, struct wpi_rx_desc *); 2040173362Sbenjsc 2041278366Sadrian DPRINTF(sc, WPI_DEBUG_NOTIFY, 2042278366Sadrian "%s: cur=%d; qid %x idx %d flags %x type %d(%s) len %d\n", 2043278366Sadrian __func__, sc->rxq.cur, desc->qid, desc->idx, desc->flags, 2044278366Sadrian desc->type, wpi_cmd_str(desc->type), le32toh(desc->len)); 2045173362Sbenjsc 2046280064Sadrian if (!(desc->qid & WPI_UNSOLICITED_RX_NOTIF)) { 2047280064Sadrian /* Reply to a command. */ 2048278366Sadrian wpi_cmd_done(sc, desc); 2049280064Sadrian } 2050173362Sbenjsc 2051173362Sbenjsc switch (desc->type) { 2052173362Sbenjsc case WPI_RX_DONE: 2053278366Sadrian /* An 802.11 frame has been received. */ 2054278366Sadrian wpi_rx_done(sc, desc, data); 2055280055Sadrian 2056280055Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2057280055Sadrian /* wpi_stop() was called. */ 2058280055Sadrian return; 2059280055Sadrian } 2060280055Sadrian 2061173362Sbenjsc break; 2062173362Sbenjsc 2063173362Sbenjsc case WPI_TX_DONE: 2064278366Sadrian /* An 802.11 frame has been transmitted. */ 2065278366Sadrian wpi_tx_done(sc, desc); 2066173362Sbenjsc break; 2067173362Sbenjsc 2068278366Sadrian case WPI_RX_STATISTICS: 2069278366Sadrian case WPI_BEACON_STATISTICS: 2070278366Sadrian wpi_rx_statistics(sc, desc, data); 2071278366Sadrian break; 2072278366Sadrian 2073278366Sadrian case WPI_BEACON_MISSED: 2074278366Sadrian { 2075278366Sadrian struct wpi_beacon_missed *miss = 2076278366Sadrian (struct wpi_beacon_missed *)(desc + 1); 2077278366Sadrian int misses; 2078278366Sadrian 2079278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2080278366Sadrian BUS_DMASYNC_POSTREAD); 2081278366Sadrian misses = le32toh(miss->consecutive); 2082278366Sadrian 2083278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, 2084278366Sadrian "%s: beacons missed %d/%d\n", __func__, misses, 2085278366Sadrian le32toh(miss->total)); 2086278366Sadrian 2087278366Sadrian if (vap->iv_state == IEEE80211_S_RUN && 2088280051Sadrian (ic->ic_flags & IEEE80211_F_SCAN) == 0) { 2089278366Sadrian if (misses >= vap->iv_bmissthreshold) { 2090278366Sadrian WPI_UNLOCK(sc); 2091278366Sadrian ieee80211_beacon_miss(ic); 2092278366Sadrian WPI_LOCK(sc); 2093278366Sadrian } 2094278366Sadrian } 2095278366Sadrian break; 2096278366Sadrian } 2097173362Sbenjsc case WPI_UC_READY: 2098173362Sbenjsc { 2099173362Sbenjsc struct wpi_ucode_info *uc = 2100278366Sadrian (struct wpi_ucode_info *)(desc + 1); 2101173362Sbenjsc 2102278366Sadrian /* The microcontroller is ready. */ 2103278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2104278366Sadrian BUS_DMASYNC_POSTREAD); 2105278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, 2106278366Sadrian "microcode alive notification version=%d.%d " 2107278366Sadrian "subtype=%x alive=%x\n", uc->major, uc->minor, 2108278366Sadrian uc->subtype, le32toh(uc->valid)); 2109173362Sbenjsc 2110173362Sbenjsc if (le32toh(uc->valid) != 1) { 2111173362Sbenjsc device_printf(sc->sc_dev, 2112173362Sbenjsc "microcontroller initialization failed\n"); 2113173362Sbenjsc wpi_stop_locked(sc); 2114173362Sbenjsc } 2115278366Sadrian /* Save the address of the error log in SRAM. */ 2116278366Sadrian sc->errptr = le32toh(uc->errptr); 2117173362Sbenjsc break; 2118173362Sbenjsc } 2119173362Sbenjsc case WPI_STATE_CHANGED: 2120173362Sbenjsc { 2121280059Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2122280059Sadrian BUS_DMASYNC_POSTREAD); 2123278366Sadrian 2124173362Sbenjsc uint32_t *status = (uint32_t *)(desc + 1); 2125278764Sadrian 2126278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "state changed to %x\n", 2127278366Sadrian le32toh(*status)); 2128278764Sadrian 2129173362Sbenjsc if (le32toh(*status) & 1) { 2130280077Sadrian WPI_NT_LOCK(sc); 2131280069Sadrian wpi_clear_node_table(sc); 2132280077Sadrian WPI_NT_UNLOCK(sc); 2133278366Sadrian ieee80211_runtask(ic, &sc->sc_radiooff_task); 2134278366Sadrian return; 2135173362Sbenjsc } 2136173362Sbenjsc break; 2137173362Sbenjsc } 2138173362Sbenjsc case WPI_START_SCAN: 2139173362Sbenjsc { 2140278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2141278366Sadrian BUS_DMASYNC_POSTREAD); 2142179957Sthompsa#ifdef WPI_DEBUG 2143173362Sbenjsc struct wpi_start_scan *scan = 2144278366Sadrian (struct wpi_start_scan *)(desc + 1); 2145278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2146278366Sadrian "%s: scanning channel %d status %x\n", 2147278366Sadrian __func__, scan->chan, le32toh(scan->status)); 2148179957Sthompsa#endif 2149173362Sbenjsc break; 2150173362Sbenjsc } 2151173362Sbenjsc case WPI_STOP_SCAN: 2152173362Sbenjsc { 2153278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2154278366Sadrian BUS_DMASYNC_POSTREAD); 2155179957Sthompsa#ifdef WPI_DEBUG 2156173362Sbenjsc struct wpi_stop_scan *scan = 2157278366Sadrian (struct wpi_stop_scan *)(desc + 1); 2158278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2159278366Sadrian "scan finished nchan=%d status=%d chan=%d\n", 2160278366Sadrian scan->nchan, scan->status, scan->chan); 2161179957Sthompsa#endif 2162177043Sthompsa sc->sc_scan_timer = 0; 2163278366Sadrian WPI_UNLOCK(sc); 2164178354Ssam ieee80211_scan_next(vap); 2165278366Sadrian WPI_LOCK(sc); 2166173362Sbenjsc break; 2167173362Sbenjsc } 2168278366Sadrian } 2169278764Sadrian } 2170173976Sbenjsc 2171278366Sadrian /* Tell the firmware what we have processed. */ 2172278366Sadrian wpi_update_rx_ring(sc); 2173278366Sadrian} 2174278366Sadrian 2175278366Sadrian/* 2176278366Sadrian * Process an INT_WAKEUP interrupt raised when the microcontroller wakes up 2177278366Sadrian * from power-down sleep mode. 2178278366Sadrian */ 2179280059Sadrianstatic void 2180278366Sadrianwpi_wakeup_intr(struct wpi_softc *sc) 2181278366Sadrian{ 2182278366Sadrian int qid; 2183278366Sadrian 2184278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 2185278366Sadrian "%s: ucode wakeup from power-down sleep\n", __func__); 2186278366Sadrian 2187278366Sadrian /* Wakeup RX and TX rings. */ 2188278366Sadrian if (sc->rxq.update) { 2189278764Sadrian sc->rxq.update = 0; 2190278366Sadrian wpi_update_rx_ring(sc); 2191278366Sadrian } 2192280071Sadrian WPI_TXQ_LOCK(sc); 2193280058Sadrian for (qid = 0; qid < WPI_DRV_NTXQUEUES; qid++) { 2194278366Sadrian struct wpi_tx_ring *ring = &sc->txq[qid]; 2195278366Sadrian 2196278366Sadrian if (ring->update) { 2197278764Sadrian ring->update = 0; 2198278366Sadrian wpi_update_tx_ring(sc, ring); 2199173362Sbenjsc } 2200278366Sadrian } 2201280071Sadrian WPI_TXQ_UNLOCK(sc); 2202173362Sbenjsc 2203278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 2204278366Sadrian} 2205278366Sadrian 2206278366Sadrian/* 2207280093Sadrian * This function prints firmware registers 2208280093Sadrian */ 2209280093Sadrian#ifdef WPI_DEBUG 2210280093Sadrianstatic void 2211280093Sadrianwpi_debug_registers(struct wpi_softc *sc) 2212280093Sadrian{ 2213280093Sadrian#define COUNTOF(array) (sizeof(array) / sizeof(array[0])) 2214280093Sadrian int i; 2215280093Sadrian static const uint32_t csr_tbl[] = { 2216280093Sadrian WPI_HW_IF_CONFIG, 2217280093Sadrian WPI_INT, 2218280093Sadrian WPI_INT_MASK, 2219280093Sadrian WPI_FH_INT, 2220280093Sadrian WPI_GPIO_IN, 2221280093Sadrian WPI_RESET, 2222280093Sadrian WPI_GP_CNTRL, 2223280093Sadrian WPI_EEPROM, 2224280093Sadrian WPI_EEPROM_GP, 2225280093Sadrian WPI_GIO, 2226280093Sadrian WPI_UCODE_GP1, 2227280093Sadrian WPI_UCODE_GP2, 2228280093Sadrian WPI_GIO_CHICKEN, 2229280093Sadrian WPI_ANA_PLL, 2230280093Sadrian WPI_DBG_HPET_MEM, 2231280093Sadrian }; 2232280093Sadrian static const uint32_t prph_tbl[] = { 2233280093Sadrian WPI_APMG_CLK_CTRL, 2234280093Sadrian WPI_APMG_PS, 2235280093Sadrian WPI_APMG_PCI_STT, 2236280093Sadrian WPI_APMG_RFKILL, 2237280093Sadrian }; 2238280093Sadrian 2239280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER,"%s","\n"); 2240280093Sadrian 2241280093Sadrian for (i = 0; i < COUNTOF(csr_tbl); i++) { 2242280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, " %-18s: 0x%08x ", 2243280093Sadrian wpi_get_csr_string(csr_tbl[i]), WPI_READ(sc, csr_tbl[i])); 2244280093Sadrian 2245280093Sadrian if ((i + 1) % 2 == 0) 2246280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2247280093Sadrian } 2248280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n\n"); 2249280093Sadrian 2250280093Sadrian if (wpi_nic_lock(sc) == 0) { 2251280093Sadrian for (i = 0; i < COUNTOF(prph_tbl); i++) { 2252280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, " %-18s: 0x%08x ", 2253280093Sadrian wpi_get_prph_string(prph_tbl[i]), 2254280093Sadrian wpi_prph_read(sc, prph_tbl[i])); 2255280093Sadrian 2256280093Sadrian if ((i + 1) % 2 == 0) 2257280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2258280093Sadrian } 2259280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2260280093Sadrian wpi_nic_unlock(sc); 2261280093Sadrian } else { 2262280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, 2263280093Sadrian "Cannot access internal registers.\n"); 2264280093Sadrian } 2265280093Sadrian#undef COUNTOF 2266280093Sadrian} 2267280093Sadrian#endif 2268280093Sadrian 2269280093Sadrian/* 2270278366Sadrian * Dump the error log of the firmware when a firmware panic occurs. Although 2271278366Sadrian * we can't debug the firmware because it is neither open source nor free, it 2272278366Sadrian * can help us to identify certain classes of problems. 2273278366Sadrian */ 2274278366Sadrianstatic void 2275278366Sadrianwpi_fatal_intr(struct wpi_softc *sc) 2276278366Sadrian{ 2277278366Sadrian struct wpi_fw_dump dump; 2278278366Sadrian uint32_t i, offset, count; 2279278366Sadrian const uint32_t size_errmsg = 2280278366Sadrian (sizeof (wpi_fw_errmsg) / sizeof ((wpi_fw_errmsg)[0])); 2281278366Sadrian 2282278366Sadrian /* Check that the error log address is valid. */ 2283278366Sadrian if (sc->errptr < WPI_FW_DATA_BASE || 2284278366Sadrian sc->errptr + sizeof (dump) > 2285278366Sadrian WPI_FW_DATA_BASE + WPI_FW_DATA_MAXSZ) { 2286278366Sadrian printf("%s: bad firmware error log address 0x%08x\n", __func__, 2287278366Sadrian sc->errptr); 2288280059Sadrian return; 2289280059Sadrian } 2290278366Sadrian if (wpi_nic_lock(sc) != 0) { 2291278366Sadrian printf("%s: could not read firmware error log\n", __func__); 2292280059Sadrian return; 2293280059Sadrian } 2294278366Sadrian /* Read number of entries in the log. */ 2295278366Sadrian count = wpi_mem_read(sc, sc->errptr); 2296278366Sadrian if (count == 0 || count * sizeof (dump) > WPI_FW_DATA_MAXSZ) { 2297278366Sadrian printf("%s: invalid count field (count = %u)\n", __func__, 2298278366Sadrian count); 2299278366Sadrian wpi_nic_unlock(sc); 2300278366Sadrian return; 2301173362Sbenjsc } 2302278366Sadrian /* Skip "count" field. */ 2303278366Sadrian offset = sc->errptr + sizeof (uint32_t); 2304278366Sadrian printf("firmware error log (count = %u):\n", count); 2305278366Sadrian for (i = 0; i < count; i++) { 2306278366Sadrian wpi_mem_read_region_4(sc, offset, (uint32_t *)&dump, 2307278366Sadrian sizeof (dump) / sizeof (uint32_t)); 2308173362Sbenjsc 2309278366Sadrian printf(" error type = \"%s\" (0x%08X)\n", 2310278366Sadrian (dump.desc < size_errmsg) ? 2311278366Sadrian wpi_fw_errmsg[dump.desc] : "UNKNOWN", 2312278366Sadrian dump.desc); 2313278366Sadrian printf(" error data = 0x%08X\n", 2314278366Sadrian dump.data); 2315278366Sadrian printf(" branch link = 0x%08X%08X\n", 2316278366Sadrian dump.blink[0], dump.blink[1]); 2317278366Sadrian printf(" interrupt link = 0x%08X%08X\n", 2318278366Sadrian dump.ilink[0], dump.ilink[1]); 2319278366Sadrian printf(" time = %u\n", dump.time); 2320278366Sadrian 2321278366Sadrian offset += sizeof (dump); 2322278366Sadrian } 2323278366Sadrian wpi_nic_unlock(sc); 2324278366Sadrian /* Dump driver status (TX and RX rings) while we're here. */ 2325278366Sadrian printf("driver status:\n"); 2326280071Sadrian WPI_TXQ_LOCK(sc); 2327280058Sadrian for (i = 0; i < WPI_DRV_NTXQUEUES; i++) { 2328278366Sadrian struct wpi_tx_ring *ring = &sc->txq[i]; 2329278366Sadrian printf(" tx ring %2d: qid=%-2d cur=%-3d queued=%-3d\n", 2330278366Sadrian i, ring->qid, ring->cur, ring->queued); 2331278366Sadrian } 2332280071Sadrian WPI_TXQ_UNLOCK(sc); 2333278366Sadrian printf(" rx ring: cur=%d\n", sc->rxq.cur); 2334173362Sbenjsc} 2335173362Sbenjsc 2336173362Sbenjscstatic void 2337173362Sbenjscwpi_intr(void *arg) 2338173362Sbenjsc{ 2339173362Sbenjsc struct wpi_softc *sc = arg; 2340278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2341278366Sadrian uint32_t r1, r2; 2342173362Sbenjsc 2343173362Sbenjsc WPI_LOCK(sc); 2344173362Sbenjsc 2345278366Sadrian /* Disable interrupts. */ 2346278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 2347278366Sadrian 2348278366Sadrian r1 = WPI_READ(sc, WPI_INT); 2349278366Sadrian 2350280065Sadrian if (r1 == 0xffffffff || (r1 & 0xfffffff0) == 0xa5a5a5a0) 2351280065Sadrian goto end; /* Hardware gone! */ 2352173362Sbenjsc 2353278366Sadrian r2 = WPI_READ(sc, WPI_FH_INT); 2354173362Sbenjsc 2355278366Sadrian DPRINTF(sc, WPI_DEBUG_INTR, "%s: reg1=0x%08x reg2=0x%08x\n", __func__, 2356278366Sadrian r1, r2); 2357278366Sadrian 2358278366Sadrian if (r1 == 0 && r2 == 0) 2359278366Sadrian goto done; /* Interrupt not for us. */ 2360278366Sadrian 2361278366Sadrian /* Acknowledge interrupts. */ 2362278366Sadrian WPI_WRITE(sc, WPI_INT, r1); 2363278366Sadrian WPI_WRITE(sc, WPI_FH_INT, r2); 2364278366Sadrian 2365278366Sadrian if (r1 & (WPI_INT_SW_ERR | WPI_INT_HW_ERR)) { 2366191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 2367191746Sthompsa 2368173362Sbenjsc device_printf(sc->sc_dev, "fatal firmware error\n"); 2369280093Sadrian#ifdef WPI_DEBUG 2370280093Sadrian wpi_debug_registers(sc); 2371280093Sadrian#endif 2372278366Sadrian wpi_fatal_intr(sc); 2373278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 2374278366Sadrian "(%s)\n", (r1 & WPI_INT_SW_ERR) ? "(Software Error)" : 2375278366Sadrian "(Hardware Error)"); 2376278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2377280065Sadrian goto end; 2378173362Sbenjsc } 2379173362Sbenjsc 2380278366Sadrian if ((r1 & (WPI_INT_FH_RX | WPI_INT_SW_RX)) || 2381278366Sadrian (r2 & WPI_FH_INT_RX)) 2382173362Sbenjsc wpi_notif_intr(sc); 2383173362Sbenjsc 2384278366Sadrian if (r1 & WPI_INT_ALIVE) 2385278366Sadrian wakeup(sc); /* Firmware is alive. */ 2386173362Sbenjsc 2387278366Sadrian if (r1 & WPI_INT_WAKEUP) 2388278366Sadrian wpi_wakeup_intr(sc); 2389173362Sbenjsc 2390278366Sadriandone: 2391278366Sadrian /* Re-enable interrupts. */ 2392278366Sadrian if (ifp->if_flags & IFF_UP) 2393278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 2394278366Sadrian 2395280065Sadrianend: WPI_UNLOCK(sc); 2396173362Sbenjsc} 2397173362Sbenjsc 2398278366Sadrianstatic int 2399278366Sadrianwpi_cmd2(struct wpi_softc *sc, struct wpi_buf *buf) 2400173362Sbenjsc{ 2401278366Sadrian struct ieee80211_frame *wh; 2402278366Sadrian struct wpi_tx_cmd *cmd; 2403278366Sadrian struct wpi_tx_data *data; 2404278366Sadrian struct wpi_tx_desc *desc; 2405278366Sadrian struct wpi_tx_ring *ring; 2406278366Sadrian struct mbuf *m1; 2407278366Sadrian bus_dma_segment_t *seg, segs[WPI_MAX_SCATTER]; 2408279763Sadrian int error, i, hdrlen, nsegs, totlen, pad; 2409173362Sbenjsc 2410280071Sadrian WPI_TXQ_LOCK(sc); 2411280071Sadrian 2412280082Sadrian KASSERT(buf->size <= sizeof(buf->data), ("buffer overflow")); 2413280082Sadrian 2414278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2415278366Sadrian 2416280071Sadrian if (sc->txq_active == 0) { 2417280071Sadrian /* wpi_stop() was called */ 2418280071Sadrian error = ENETDOWN; 2419280071Sadrian goto fail; 2420280071Sadrian } 2421280071Sadrian 2422278366Sadrian wh = mtod(buf->m, struct ieee80211_frame *); 2423279763Sadrian hdrlen = ieee80211_anyhdrsize(wh); 2424278366Sadrian totlen = buf->m->m_pkthdr.len; 2425278366Sadrian 2426279763Sadrian if (hdrlen & 3) { 2427279763Sadrian /* First segment length must be a multiple of 4. */ 2428279763Sadrian pad = 4 - (hdrlen & 3); 2429279763Sadrian } else 2430279763Sadrian pad = 0; 2431279763Sadrian 2432278366Sadrian ring = &sc->txq[buf->ac]; 2433278366Sadrian desc = &ring->desc[ring->cur]; 2434278366Sadrian data = &ring->data[ring->cur]; 2435278366Sadrian 2436278366Sadrian /* Prepare TX firmware command. */ 2437278366Sadrian cmd = &ring->cmd[ring->cur]; 2438278366Sadrian cmd->code = buf->code; 2439278366Sadrian cmd->flags = 0; 2440278366Sadrian cmd->qid = ring->qid; 2441278366Sadrian cmd->idx = ring->cur; 2442278366Sadrian 2443278366Sadrian memcpy(cmd->data, buf->data, buf->size); 2444278366Sadrian 2445278366Sadrian /* Save and trim IEEE802.11 header. */ 2446279763Sadrian memcpy((uint8_t *)(cmd->data + buf->size), wh, hdrlen); 2447279763Sadrian m_adj(buf->m, hdrlen); 2448278366Sadrian 2449278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, buf->m, 2450278366Sadrian segs, &nsegs, BUS_DMA_NOWAIT); 2451278366Sadrian if (error != 0 && error != EFBIG) { 2452278366Sadrian device_printf(sc->sc_dev, 2453278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, error); 2454280071Sadrian goto fail; 2455173362Sbenjsc } 2456278366Sadrian if (error != 0) { 2457278366Sadrian /* Too many DMA segments, linearize mbuf. */ 2458280050Sadrian m1 = m_collapse(buf->m, M_NOWAIT, WPI_MAX_SCATTER - 1); 2459278366Sadrian if (m1 == NULL) { 2460278366Sadrian device_printf(sc->sc_dev, 2461278366Sadrian "%s: could not defrag mbuf\n", __func__); 2462280071Sadrian error = ENOBUFS; 2463280071Sadrian goto fail; 2464278366Sadrian } 2465278366Sadrian buf->m = m1; 2466278366Sadrian 2467278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, 2468278366Sadrian buf->m, segs, &nsegs, BUS_DMA_NOWAIT); 2469278366Sadrian if (error != 0) { 2470278366Sadrian device_printf(sc->sc_dev, 2471280066Sadrian "%s: can't map mbuf (error %d)\n", __func__, 2472280066Sadrian error); 2473280071Sadrian goto fail; 2474278366Sadrian } 2475278366Sadrian } 2476278366Sadrian 2477280050Sadrian KASSERT(nsegs < WPI_MAX_SCATTER, 2478280050Sadrian ("too many DMA segments, nsegs (%d) should be less than %d", 2479280050Sadrian nsegs, WPI_MAX_SCATTER)); 2480280050Sadrian 2481278366Sadrian data->m = buf->m; 2482278366Sadrian data->ni = buf->ni; 2483278366Sadrian 2484278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: qid %d idx %d len %d nsegs %d\n", 2485278366Sadrian __func__, ring->qid, ring->cur, totlen, nsegs); 2486278366Sadrian 2487278366Sadrian /* Fill TX descriptor. */ 2488279763Sadrian desc->nsegs = WPI_PAD32(totlen + pad) << 4 | (1 + nsegs); 2489278366Sadrian /* First DMA segment is used by the TX command. */ 2490278366Sadrian desc->segs[0].addr = htole32(data->cmd_paddr); 2491279763Sadrian desc->segs[0].len = htole32(4 + buf->size + hdrlen + pad); 2492278366Sadrian /* Other DMA segments are for data payload. */ 2493278366Sadrian seg = &segs[0]; 2494278366Sadrian for (i = 1; i <= nsegs; i++) { 2495278366Sadrian desc->segs[i].addr = htole32(seg->ds_addr); 2496278366Sadrian desc->segs[i].len = htole32(seg->ds_len); 2497278366Sadrian seg++; 2498278366Sadrian } 2499278366Sadrian 2500278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); 2501278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2502278366Sadrian BUS_DMASYNC_PREWRITE); 2503278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2504278366Sadrian BUS_DMASYNC_PREWRITE); 2505278366Sadrian 2506278366Sadrian /* Kick TX ring. */ 2507278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2508278366Sadrian wpi_update_tx_ring(sc, ring); 2509278366Sadrian 2510280075Sadrian if (ring->qid < WPI_CMD_QUEUE_NUM) { 2511280075Sadrian /* Mark TX ring as full if we reach a certain threshold. */ 2512280075Sadrian if (++ring->queued > WPI_TX_RING_HIMARK) 2513280075Sadrian sc->qfullmsk |= 1 << ring->qid; 2514278366Sadrian 2515280074Sadrian sc->sc_tx_timer = 5; 2516280075Sadrian } 2517280074Sadrian 2518278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2519278366Sadrian 2520280071Sadrian WPI_TXQ_UNLOCK(sc); 2521280071Sadrian 2522278366Sadrian return 0; 2523280071Sadrian 2524280071Sadrianfail: m_freem(buf->m); 2525280071Sadrian 2526280071Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2527280071Sadrian 2528280071Sadrian WPI_TXQ_UNLOCK(sc); 2529280071Sadrian 2530280071Sadrian return error; 2531173362Sbenjsc} 2532173362Sbenjsc 2533173362Sbenjsc/* 2534278366Sadrian * Construct the data packet for a transmit buffer. 2535173362Sbenjsc */ 2536173362Sbenjscstatic int 2537278366Sadrianwpi_tx_data(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2538173362Sbenjsc{ 2539278366Sadrian const struct ieee80211_txparam *tp; 2540178354Ssam struct ieee80211vap *vap = ni->ni_vap; 2541278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2542280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 2543278366Sadrian struct ieee80211_channel *chan; 2544173362Sbenjsc struct ieee80211_frame *wh; 2545278366Sadrian struct ieee80211_key *k = NULL; 2546278366Sadrian struct wpi_buf tx_data; 2547280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2548278366Sadrian uint32_t flags; 2549278366Sadrian uint16_t qos; 2550278366Sadrian uint8_t tid, type; 2551280068Sadrian int ac, error, swcrypt, rate, ismcast, totlen; 2552173362Sbenjsc 2553278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2554278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2555278366Sadrian ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 2556173362Sbenjsc 2557278366Sadrian /* Select EDCA Access Category and TX ring for this frame. */ 2558278366Sadrian if (IEEE80211_QOS_HAS_SEQ(wh)) { 2559278366Sadrian qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 2560278366Sadrian tid = qos & IEEE80211_QOS_TID; 2561278366Sadrian } else { 2562278366Sadrian qos = 0; 2563278366Sadrian tid = 0; 2564280059Sadrian } 2565278366Sadrian ac = M_WME_GETAC(m); 2566173362Sbenjsc 2567278366Sadrian chan = (ni->ni_chan != IEEE80211_CHAN_ANYC) ? 2568278366Sadrian ni->ni_chan : ic->ic_curchan; 2569278366Sadrian tp = &vap->iv_txparms[ieee80211_chan2mode(chan)]; 2570173362Sbenjsc 2571278366Sadrian /* Choose a TX rate index. */ 2572278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) 2573278366Sadrian rate = tp->mgmtrate; 2574278366Sadrian else if (ismcast) 2575278366Sadrian rate = tp->mcastrate; 2576278366Sadrian else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2577278366Sadrian rate = tp->ucastrate; 2578278366Sadrian else if (m->m_flags & M_EAPOL) 2579278366Sadrian rate = tp->mgmtrate; 2580278366Sadrian else { 2581278366Sadrian /* XXX pass pktlen */ 2582278366Sadrian (void) ieee80211_ratectl_rate(ni, NULL, 0); 2583278366Sadrian rate = ni->ni_txrate; 2584278366Sadrian } 2585278366Sadrian 2586278366Sadrian /* Encrypt the frame if need be. */ 2587260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2588278366Sadrian /* Retrieve key for TX. */ 2589278366Sadrian k = ieee80211_crypto_encap(ni, m); 2590177043Sthompsa if (k == NULL) { 2591278366Sadrian error = ENOBUFS; 2592278366Sadrian goto fail; 2593173362Sbenjsc } 2594280068Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2595280068Sadrian 2596278366Sadrian /* 802.11 header may have moved. */ 2597278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2598173362Sbenjsc } 2599279763Sadrian totlen = m->m_pkthdr.len; 2600173362Sbenjsc 2601278366Sadrian if (ieee80211_radiotap_active_vap(vap)) { 2602278366Sadrian struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2603173362Sbenjsc 2604279763Sadrian tap->wt_flags = 0; 2605278366Sadrian tap->wt_rate = rate; 2606278366Sadrian if (k != NULL) 2607278366Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2608173362Sbenjsc 2609278366Sadrian ieee80211_radiotap_tx(vap, m); 2610278366Sadrian } 2611278366Sadrian 2612278366Sadrian flags = 0; 2613177119Ssam if (!ismcast) { 2614278366Sadrian /* Unicast frame, check if an ACK is expected. */ 2615278366Sadrian if (!qos || (qos & IEEE80211_QOS_ACKPOLICY) != 2616278366Sadrian IEEE80211_QOS_ACKPOLICY_NOACK) 2617278366Sadrian flags |= WPI_TX_NEED_ACK; 2618278366Sadrian } 2619278366Sadrian 2620278764Sadrian if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) 2621278764Sadrian flags |= WPI_TX_MORE_FRAG; /* Cannot happen yet. */ 2622278764Sadrian 2623278366Sadrian /* Check if frame must be protected using RTS/CTS or CTS-to-self. */ 2624278366Sadrian if (!ismcast) { 2625278366Sadrian /* NB: Group frames are sent using CCK in 802.11b/g. */ 2626278366Sadrian if (totlen + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) { 2627278366Sadrian flags |= WPI_TX_NEED_RTS; 2628278366Sadrian } else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2629278366Sadrian WPI_RATE_IS_OFDM(rate)) { 2630278366Sadrian if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2631278366Sadrian flags |= WPI_TX_NEED_CTS; 2632278366Sadrian else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2633278366Sadrian flags |= WPI_TX_NEED_RTS; 2634177043Sthompsa } 2635278366Sadrian 2636278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2637278366Sadrian flags |= WPI_TX_FULL_TXOP; 2638173362Sbenjsc } 2639278366Sadrian 2640280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2641278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2642173362Sbenjsc uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2643278366Sadrian 2644278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2645173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2646278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2647173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2648177043Sthompsa subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2649280082Sadrian tx->timeout = htole16(3); 2650173362Sbenjsc else 2651280082Sadrian tx->timeout = htole16(2); 2652177043Sthompsa } 2653173362Sbenjsc 2654278366Sadrian if (ismcast || type != IEEE80211_FC0_TYPE_DATA) 2655280082Sadrian tx->id = WPI_ID_BROADCAST; 2656278366Sadrian else { 2657278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 2658278366Sadrian device_printf(sc->sc_dev, 2659278366Sadrian "%s: undefined node id\n", __func__); 2660278366Sadrian error = EINVAL; 2661278366Sadrian goto fail; 2662278366Sadrian } 2663278366Sadrian 2664280082Sadrian tx->id = wn->id; 2665278366Sadrian } 2666278366Sadrian 2667278366Sadrian if (type != IEEE80211_FC0_TYPE_MGT) 2668280082Sadrian tx->data_ntries = tp->maxretry; 2669278366Sadrian 2670280068Sadrian if (k != NULL && !swcrypt) { 2671280068Sadrian switch (k->wk_cipher->ic_cipher) { 2672280068Sadrian case IEEE80211_CIPHER_AES_CCM: 2673280082Sadrian tx->security = WPI_CIPHER_CCMP; 2674280068Sadrian break; 2675280068Sadrian 2676280068Sadrian default: 2677280068Sadrian break; 2678280068Sadrian } 2679280068Sadrian 2680280082Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 2681280068Sadrian } 2682280068Sadrian 2683280082Sadrian tx->len = htole16(totlen); 2684280082Sadrian tx->flags = htole32(flags); 2685280082Sadrian tx->plcp = rate2plcp(rate); 2686280082Sadrian tx->tid = tid; 2687280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 2688280082Sadrian tx->ofdm_mask = 0xff; 2689280082Sadrian tx->cck_mask = 0x0f; 2690280082Sadrian tx->rts_ntries = 7; 2691278366Sadrian 2692278366Sadrian tx_data.ni = ni; 2693278366Sadrian tx_data.m = m; 2694280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 2695278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2696278366Sadrian tx_data.ac = ac; 2697278366Sadrian 2698278366Sadrian return wpi_cmd2(sc, &tx_data); 2699278366Sadrian 2700278366Sadrianfail: m_freem(m); 2701278366Sadrian return error; 2702278366Sadrian} 2703278366Sadrian 2704278366Sadrianstatic int 2705280066Sadrianwpi_tx_data_raw(struct wpi_softc *sc, struct mbuf *m, 2706280066Sadrian struct ieee80211_node *ni, const struct ieee80211_bpf_params *params) 2707278366Sadrian{ 2708278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 2709280087Sadrian struct ieee80211_key *k = NULL; 2710278366Sadrian struct ieee80211_frame *wh; 2711278366Sadrian struct wpi_buf tx_data; 2712280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2713278366Sadrian uint32_t flags; 2714278366Sadrian uint8_t type; 2715280087Sadrian int ac, rate, swcrypt, totlen; 2716278366Sadrian 2717278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2718278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2719278366Sadrian 2720278366Sadrian ac = params->ibp_pri & 3; 2721278366Sadrian 2722278366Sadrian /* Choose a TX rate index. */ 2723278366Sadrian rate = params->ibp_rate0; 2724278366Sadrian 2725278366Sadrian flags = 0; 2726278366Sadrian if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2727278366Sadrian flags |= WPI_TX_NEED_ACK; 2728278366Sadrian if (params->ibp_flags & IEEE80211_BPF_RTS) 2729278366Sadrian flags |= WPI_TX_NEED_RTS; 2730278366Sadrian if (params->ibp_flags & IEEE80211_BPF_CTS) 2731278366Sadrian flags |= WPI_TX_NEED_CTS; 2732278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2733278366Sadrian flags |= WPI_TX_FULL_TXOP; 2734278366Sadrian 2735280087Sadrian /* Encrypt the frame if need be. */ 2736280087Sadrian if (params->ibp_flags & IEEE80211_BPF_CRYPTO) { 2737280087Sadrian /* Retrieve key for TX. */ 2738280087Sadrian k = ieee80211_crypto_encap(ni, m); 2739280087Sadrian if (k == NULL) { 2740280087Sadrian m_freem(m); 2741280087Sadrian return ENOBUFS; 2742280087Sadrian } 2743280087Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2744280087Sadrian 2745280087Sadrian /* 802.11 header may have moved. */ 2746280087Sadrian wh = mtod(m, struct ieee80211_frame *); 2747280087Sadrian } 2748280087Sadrian totlen = m->m_pkthdr.len; 2749280087Sadrian 2750192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2751177043Sthompsa struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2752278366Sadrian 2753177043Sthompsa tap->wt_flags = 0; 2754177043Sthompsa tap->wt_rate = rate; 2755280087Sadrian if (params->ibp_flags & IEEE80211_BPF_CRYPTO) 2756280087Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2757178354Ssam 2758278366Sadrian ieee80211_radiotap_tx(vap, m); 2759177043Sthompsa } 2760173362Sbenjsc 2761280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2762278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2763278366Sadrian uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2764173362Sbenjsc 2765278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2766278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2767278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2768278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2769278366Sadrian subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2770280082Sadrian tx->timeout = htole16(3); 2771278366Sadrian else 2772280082Sadrian tx->timeout = htole16(2); 2773173362Sbenjsc } 2774173362Sbenjsc 2775280087Sadrian if (k != NULL && !swcrypt) { 2776280087Sadrian switch (k->wk_cipher->ic_cipher) { 2777280087Sadrian case IEEE80211_CIPHER_AES_CCM: 2778280087Sadrian tx->security = WPI_CIPHER_CCMP; 2779280087Sadrian break; 2780280087Sadrian 2781280087Sadrian default: 2782280087Sadrian break; 2783280087Sadrian } 2784280087Sadrian 2785280087Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 2786280087Sadrian } 2787280087Sadrian 2788280082Sadrian tx->len = htole16(totlen); 2789280082Sadrian tx->flags = htole32(flags); 2790280082Sadrian tx->plcp = rate2plcp(rate); 2791280082Sadrian tx->id = WPI_ID_BROADCAST; 2792280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 2793280082Sadrian tx->rts_ntries = params->ibp_try1; 2794280082Sadrian tx->data_ntries = params->ibp_try0; 2795278366Sadrian 2796278366Sadrian tx_data.ni = ni; 2797278366Sadrian tx_data.m = m; 2798280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 2799278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2800278366Sadrian tx_data.ac = ac; 2801278366Sadrian 2802278366Sadrian return wpi_cmd2(sc, &tx_data); 2803278366Sadrian} 2804278366Sadrian 2805278366Sadrianstatic int 2806278366Sadrianwpi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2807278366Sadrian const struct ieee80211_bpf_params *params) 2808278366Sadrian{ 2809278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2810278366Sadrian struct ifnet *ifp = ic->ic_ifp; 2811278366Sadrian struct wpi_softc *sc = ifp->if_softc; 2812278366Sadrian int error = 0; 2813278366Sadrian 2814278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2815278366Sadrian 2816278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2817278366Sadrian ieee80211_free_node(ni); 2818278366Sadrian m_freem(m); 2819278366Sadrian return ENETDOWN; 2820173362Sbenjsc } 2821173362Sbenjsc 2822278366Sadrian WPI_LOCK(sc); 2823278366Sadrian if (params == NULL) { 2824278366Sadrian /* 2825278366Sadrian * Legacy path; interpret frame contents to decide 2826278366Sadrian * precisely how to send the frame. 2827278366Sadrian */ 2828278366Sadrian error = wpi_tx_data(sc, m, ni); 2829278366Sadrian } else { 2830278366Sadrian /* 2831278366Sadrian * Caller supplied explicit parameters to use in 2832278366Sadrian * sending the frame. 2833278366Sadrian */ 2834278366Sadrian error = wpi_tx_data_raw(sc, m, ni, params); 2835278366Sadrian } 2836278366Sadrian WPI_UNLOCK(sc); 2837173362Sbenjsc 2838278366Sadrian if (error != 0) { 2839278366Sadrian /* NB: m is reclaimed on tx failure */ 2840278366Sadrian ieee80211_free_node(ni); 2841278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2842173362Sbenjsc 2843278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2844278366Sadrian 2845278366Sadrian return error; 2846173362Sbenjsc } 2847173362Sbenjsc 2848278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2849173362Sbenjsc 2850173362Sbenjsc return 0; 2851173362Sbenjsc} 2852173362Sbenjsc 2853173362Sbenjsc/** 2854173362Sbenjsc * Process data waiting to be sent on the IFNET output queue 2855173362Sbenjsc */ 2856173362Sbenjscstatic void 2857173362Sbenjscwpi_start(struct ifnet *ifp) 2858173362Sbenjsc{ 2859173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2860178354Ssam 2861178354Ssam WPI_LOCK(sc); 2862178354Ssam wpi_start_locked(ifp); 2863178354Ssam WPI_UNLOCK(sc); 2864178354Ssam} 2865178354Ssam 2866178354Ssamstatic void 2867178354Ssamwpi_start_locked(struct ifnet *ifp) 2868178354Ssam{ 2869178354Ssam struct wpi_softc *sc = ifp->if_softc; 2870173362Sbenjsc struct ieee80211_node *ni; 2871178354Ssam struct mbuf *m; 2872173362Sbenjsc 2873178354Ssam WPI_LOCK_ASSERT(sc); 2874178354Ssam 2875278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: called\n", __func__); 2876278366Sadrian 2877280097Sadrian IF_LOCK(&ifp->if_snd); 2878278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 || 2879280097Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) { 2880280097Sadrian IF_UNLOCK(&ifp->if_snd); 2881177043Sthompsa return; 2882280097Sadrian } 2883280097Sadrian IF_UNLOCK(&ifp->if_snd); 2884173362Sbenjsc 2885173362Sbenjsc for (;;) { 2886278366Sadrian if (sc->qfullmsk != 0) { 2887280097Sadrian IF_LOCK(&ifp->if_snd); 2888278366Sadrian ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2889280097Sadrian IF_UNLOCK(&ifp->if_snd); 2890278366Sadrian break; 2891278366Sadrian } 2892190458Sjmallett IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2893178354Ssam if (m == NULL) 2894178354Ssam break; 2895278366Sadrian ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2896278366Sadrian if (wpi_tx_data(sc, m, ni) != 0) { 2897278366Sadrian WPI_UNLOCK(sc); 2898178354Ssam ieee80211_free_node(ni); 2899278366Sadrian WPI_LOCK(sc); 2900271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2901280074Sadrian } 2902178354Ssam } 2903278366Sadrian 2904278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: done\n", __func__); 2905178354Ssam} 2906173362Sbenjsc 2907278366Sadrianstatic void 2908280078Sadrianwpi_start_task(void *arg0, int pending) 2909280078Sadrian{ 2910280078Sadrian struct wpi_softc *sc = arg0; 2911280078Sadrian struct ifnet *ifp = sc->sc_ifp; 2912280078Sadrian 2913280078Sadrian wpi_start(ifp); 2914280078Sadrian} 2915280078Sadrian 2916280078Sadrianstatic void 2917278366Sadrianwpi_watchdog_rfkill(void *arg) 2918178354Ssam{ 2919278366Sadrian struct wpi_softc *sc = arg; 2920278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2921278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2922173362Sbenjsc 2923278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "RFkill Watchdog: tick\n"); 2924278366Sadrian 2925278366Sadrian /* No need to lock firmware memory. */ 2926278366Sadrian if ((wpi_prph_read(sc, WPI_APMG_RFKILL) & 0x1) == 0) { 2927278366Sadrian /* Radio kill switch is still off. */ 2928278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 2929278366Sadrian sc); 2930278366Sadrian } else 2931278366Sadrian ieee80211_runtask(ic, &sc->sc_radioon_task); 2932278366Sadrian} 2933278366Sadrian 2934278366Sadrian/** 2935278366Sadrian * Called every second, wpi_watchdog used by the watch dog timer 2936278366Sadrian * to check that the card is still alive 2937278366Sadrian */ 2938278366Sadrianstatic void 2939278366Sadrianwpi_watchdog(void *arg) 2940278366Sadrian{ 2941278366Sadrian struct wpi_softc *sc = arg; 2942278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2943278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2944278366Sadrian 2945278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "Watchdog: tick\n"); 2946278366Sadrian 2947278366Sadrian if (sc->sc_tx_timer > 0) { 2948278366Sadrian if (--sc->sc_tx_timer == 0) { 2949278366Sadrian if_printf(ifp, "device timeout\n"); 2950278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2951278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2952278366Sadrian } 2953178354Ssam } 2954173362Sbenjsc 2955278366Sadrian if (sc->sc_scan_timer > 0) { 2956278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2957278366Sadrian if (--sc->sc_scan_timer == 0 && vap != NULL) { 2958278366Sadrian if_printf(ifp, "scan timeout\n"); 2959278366Sadrian ieee80211_cancel_scan(vap); 2960278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2961278366Sadrian } 2962178354Ssam } 2963173362Sbenjsc 2964278366Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2965278366Sadrian callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 2966173362Sbenjsc} 2967173362Sbenjsc 2968173362Sbenjscstatic int 2969173362Sbenjscwpi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 2970173362Sbenjsc{ 2971173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2972178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2973278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2974178354Ssam struct ifreq *ifr = (struct ifreq *) data; 2975280095Sadrian int error = 0; 2976173362Sbenjsc 2977173362Sbenjsc switch (cmd) { 2978278366Sadrian case SIOCGIFADDR: 2979278366Sadrian error = ether_ioctl(ifp, cmd, data); 2980278366Sadrian break; 2981173362Sbenjsc case SIOCSIFFLAGS: 2982278366Sadrian if (ifp->if_flags & IFF_UP) { 2983280096Sadrian wpi_init(sc); 2984280095Sadrian 2985280096Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 && 2986280096Sadrian vap != NULL) 2987280096Sadrian ieee80211_stop(vap); 2988280095Sadrian } else if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) 2989280095Sadrian wpi_stop(sc); 2990173362Sbenjsc break; 2991178354Ssam case SIOCGIFMEDIA: 2992178354Ssam error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2993178354Ssam break; 2994178704Sthompsa default: 2995178704Sthompsa error = EINVAL; 2996178704Sthompsa break; 2997173362Sbenjsc } 2998173362Sbenjsc return error; 2999173362Sbenjsc} 3000173362Sbenjsc 3001173362Sbenjsc/* 3002173362Sbenjsc * Send a command to the firmware. 3003173362Sbenjsc */ 3004173362Sbenjscstatic int 3005278366Sadrianwpi_cmd(struct wpi_softc *sc, int code, const void *buf, size_t size, 3006278366Sadrian int async) 3007173362Sbenjsc{ 3008280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 3009173362Sbenjsc struct wpi_tx_desc *desc; 3010278366Sadrian struct wpi_tx_data *data; 3011173362Sbenjsc struct wpi_tx_cmd *cmd; 3012278366Sadrian struct mbuf *m; 3013278366Sadrian bus_addr_t paddr; 3014278366Sadrian int totlen, error; 3015173362Sbenjsc 3016280071Sadrian WPI_TXQ_LOCK(sc); 3017280071Sadrian 3018278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3019278366Sadrian 3020280071Sadrian if (sc->txq_active == 0) { 3021280071Sadrian /* wpi_stop() was called */ 3022280071Sadrian error = 0; 3023280071Sadrian goto fail; 3024280071Sadrian } 3025280071Sadrian 3026278366Sadrian if (async == 0) 3027173362Sbenjsc WPI_LOCK_ASSERT(sc); 3028173362Sbenjsc 3029278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "wpi_cmd %s size %zu async %d\n", 3030278366Sadrian wpi_cmd_str(code), size, async); 3031173362Sbenjsc 3032173362Sbenjsc desc = &ring->desc[ring->cur]; 3033278366Sadrian data = &ring->data[ring->cur]; 3034278366Sadrian totlen = 4 + size; 3035173362Sbenjsc 3036278366Sadrian if (size > sizeof cmd->data) { 3037278366Sadrian /* Command is too large to fit in a descriptor. */ 3038280071Sadrian if (totlen > MCLBYTES) { 3039280071Sadrian error = EINVAL; 3040280071Sadrian goto fail; 3041280071Sadrian } 3042278366Sadrian m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 3043280071Sadrian if (m == NULL) { 3044280071Sadrian error = ENOMEM; 3045280071Sadrian goto fail; 3046280071Sadrian } 3047278366Sadrian cmd = mtod(m, struct wpi_tx_cmd *); 3048278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, cmd, 3049278366Sadrian totlen, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 3050278366Sadrian if (error != 0) { 3051278366Sadrian m_freem(m); 3052280071Sadrian goto fail; 3053278366Sadrian } 3054278366Sadrian data->m = m; 3055278366Sadrian } else { 3056278366Sadrian cmd = &ring->cmd[ring->cur]; 3057278366Sadrian paddr = data->cmd_paddr; 3058278366Sadrian } 3059278366Sadrian 3060173362Sbenjsc cmd->code = code; 3061173362Sbenjsc cmd->flags = 0; 3062173362Sbenjsc cmd->qid = ring->qid; 3063173362Sbenjsc cmd->idx = ring->cur; 3064173362Sbenjsc memcpy(cmd->data, buf, size); 3065173362Sbenjsc 3066278366Sadrian desc->nsegs = 1 + (WPI_PAD32(size) << 4); 3067278366Sadrian desc->segs[0].addr = htole32(paddr); 3068278366Sadrian desc->segs[0].len = htole32(totlen); 3069173362Sbenjsc 3070278366Sadrian if (size > sizeof cmd->data) { 3071278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 3072278366Sadrian BUS_DMASYNC_PREWRITE); 3073278366Sadrian } else { 3074278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 3075278366Sadrian BUS_DMASYNC_PREWRITE); 3076278366Sadrian } 3077278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 3078278366Sadrian BUS_DMASYNC_PREWRITE); 3079173362Sbenjsc 3080278366Sadrian /* Kick command ring. */ 3081278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 3082278366Sadrian wpi_update_tx_ring(sc, ring); 3083278366Sadrian 3084278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3085278366Sadrian 3086280071Sadrian WPI_TXQ_UNLOCK(sc); 3087280071Sadrian 3088280072Sadrian if (async) 3089173362Sbenjsc return 0; 3090173362Sbenjsc 3091280062Sadrian return mtx_sleep(cmd, &sc->sc_mtx, PCATCH, "wpicmd", hz); 3092280071Sadrian 3093280071Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3094280071Sadrian 3095280071Sadrian WPI_TXQ_UNLOCK(sc); 3096280071Sadrian 3097280071Sadrian return error; 3098173362Sbenjsc} 3099173362Sbenjsc 3100173362Sbenjsc/* 3101278366Sadrian * Configure HW multi-rate retries. 3102173362Sbenjsc */ 3103173362Sbenjscstatic int 3104173362Sbenjscwpi_mrr_setup(struct wpi_softc *sc) 3105173362Sbenjsc{ 3106178354Ssam struct ifnet *ifp = sc->sc_ifp; 3107178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3108173362Sbenjsc struct wpi_mrr_setup mrr; 3109173362Sbenjsc int i, error; 3110173362Sbenjsc 3111278366Sadrian /* CCK rates (not used with 802.11a). */ 3112278366Sadrian for (i = WPI_RIDX_CCK1; i <= WPI_RIDX_CCK11; i++) { 3113173362Sbenjsc mrr.rates[i].flags = 0; 3114278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3115278366Sadrian /* Fallback to the immediate lower CCK rate (if any.) */ 3116278366Sadrian mrr.rates[i].next = 3117278366Sadrian (i == WPI_RIDX_CCK1) ? WPI_RIDX_CCK1 : i - 1; 3118278366Sadrian /* Try one time at this rate before falling back to "next". */ 3119173362Sbenjsc mrr.rates[i].ntries = 1; 3120173362Sbenjsc } 3121278366Sadrian /* OFDM rates (not used with 802.11b). */ 3122278366Sadrian for (i = WPI_RIDX_OFDM6; i <= WPI_RIDX_OFDM54; i++) { 3123173362Sbenjsc mrr.rates[i].flags = 0; 3124278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3125278366Sadrian /* Fallback to the immediate lower rate (if any.) */ 3126278366Sadrian /* We allow fallback from OFDM/6 to CCK/2 in 11b/g mode. */ 3127278366Sadrian mrr.rates[i].next = (i == WPI_RIDX_OFDM6) ? 3128173362Sbenjsc ((ic->ic_curmode == IEEE80211_MODE_11A) ? 3129278366Sadrian WPI_RIDX_OFDM6 : WPI_RIDX_CCK2) : 3130173362Sbenjsc i - 1; 3131278366Sadrian /* Try one time at this rate before falling back to "next". */ 3132173362Sbenjsc mrr.rates[i].ntries = 1; 3133173362Sbenjsc } 3134278366Sadrian /* Setup MRR for control frames. */ 3135278366Sadrian mrr.which = htole32(WPI_MRR_CTL); 3136173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3137173362Sbenjsc if (error != 0) { 3138173362Sbenjsc device_printf(sc->sc_dev, 3139173362Sbenjsc "could not setup MRR for control frames\n"); 3140173362Sbenjsc return error; 3141173362Sbenjsc } 3142278366Sadrian /* Setup MRR for data frames. */ 3143278366Sadrian mrr.which = htole32(WPI_MRR_DATA); 3144173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3145173362Sbenjsc if (error != 0) { 3146173362Sbenjsc device_printf(sc->sc_dev, 3147173362Sbenjsc "could not setup MRR for data frames\n"); 3148173362Sbenjsc return error; 3149173362Sbenjsc } 3150173362Sbenjsc return 0; 3151173362Sbenjsc} 3152173362Sbenjsc 3153278366Sadrianstatic int 3154278366Sadrianwpi_add_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3155278366Sadrian{ 3156278366Sadrian struct ieee80211com *ic = ni->ni_ic; 3157280088Sadrian struct wpi_vap *wvp = WPI_VAP(ni->ni_vap); 3158280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3159278366Sadrian struct wpi_node_info node; 3160280088Sadrian int error; 3161278366Sadrian 3162278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3163278366Sadrian 3164278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 3165278366Sadrian return EINVAL; 3166278366Sadrian 3167278366Sadrian memset(&node, 0, sizeof node); 3168279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3169278366Sadrian node.id = wn->id; 3170278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3171278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3172278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3173278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3174278366Sadrian 3175280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: adding node %d (%s)\n", __func__, 3176280094Sadrian wn->id, ether_sprintf(ni->ni_macaddr)); 3177280094Sadrian 3178280088Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 3179280088Sadrian if (error != 0) { 3180280088Sadrian device_printf(sc->sc_dev, 3181280088Sadrian "%s: wpi_cmd() call failed with error code %d\n", __func__, 3182280088Sadrian error); 3183280088Sadrian return error; 3184280088Sadrian } 3185280088Sadrian 3186280088Sadrian if (wvp->wv_gtk != 0) { 3187280088Sadrian error = wpi_set_global_keys(ni); 3188280088Sadrian if (error != 0) { 3189280088Sadrian device_printf(sc->sc_dev, 3190280088Sadrian "%s: error while setting global keys\n", __func__); 3191280088Sadrian return ENXIO; 3192280088Sadrian } 3193280088Sadrian } 3194280088Sadrian 3195280088Sadrian return 0; 3196278366Sadrian} 3197278366Sadrian 3198278366Sadrian/* 3199278366Sadrian * Broadcast node is used to send group-addressed and management frames. 3200278366Sadrian */ 3201278366Sadrianstatic int 3202278366Sadrianwpi_add_broadcast_node(struct wpi_softc *sc, int async) 3203278366Sadrian{ 3204278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3205278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3206278366Sadrian struct wpi_node_info node; 3207278366Sadrian 3208278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3209278366Sadrian 3210278366Sadrian memset(&node, 0, sizeof node); 3211278366Sadrian IEEE80211_ADDR_COPY(node.macaddr, ifp->if_broadcastaddr); 3212278366Sadrian node.id = WPI_ID_BROADCAST; 3213278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3214278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3215278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3216278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3217278366Sadrian 3218280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: adding broadcast node\n", __func__); 3219280094Sadrian 3220278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, async); 3221278366Sadrian} 3222278366Sadrian 3223278366Sadrianstatic int 3224280070Sadrianwpi_add_sta_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3225280070Sadrian{ 3226280070Sadrian struct wpi_node *wn = WPI_NODE(ni); 3227280070Sadrian int error; 3228280070Sadrian 3229280070Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3230280070Sadrian 3231280070Sadrian wn->id = wpi_add_node_entry_sta(sc); 3232280070Sadrian 3233280070Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3234280070Sadrian wpi_del_node_entry(sc, wn->id); 3235280070Sadrian wn->id = WPI_ID_UNDEFINED; 3236280070Sadrian return error; 3237280070Sadrian } 3238280070Sadrian 3239280070Sadrian return 0; 3240280070Sadrian} 3241280070Sadrian 3242280070Sadrianstatic int 3243278366Sadrianwpi_add_ibss_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3244278366Sadrian{ 3245280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3246280069Sadrian int error; 3247278366Sadrian 3248278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3249278366Sadrian 3250278366Sadrian if (wn->id != WPI_ID_UNDEFINED) 3251278366Sadrian return EINVAL; 3252278366Sadrian 3253280069Sadrian if ((wn->id = wpi_add_node_entry_adhoc(sc)) == WPI_ID_UNDEFINED) { 3254280069Sadrian device_printf(sc->sc_dev, "%s: h/w table is full\n", __func__); 3255280069Sadrian return ENOMEM; 3256280069Sadrian } 3257278366Sadrian 3258280069Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3259280069Sadrian wpi_del_node_entry(sc, wn->id); 3260280069Sadrian wn->id = WPI_ID_UNDEFINED; 3261280069Sadrian return error; 3262280069Sadrian } 3263278366Sadrian 3264280069Sadrian return 0; 3265278366Sadrian} 3266278366Sadrian 3267173362Sbenjscstatic void 3268278366Sadrianwpi_del_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3269278366Sadrian{ 3270280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3271278366Sadrian struct wpi_cmd_del_node node; 3272278366Sadrian int error; 3273278366Sadrian 3274278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3275278366Sadrian 3276278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 3277278366Sadrian device_printf(sc->sc_dev, "%s: undefined node id passed\n", 3278278366Sadrian __func__); 3279278366Sadrian return; 3280278366Sadrian } 3281278366Sadrian 3282278366Sadrian memset(&node, 0, sizeof node); 3283279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3284278366Sadrian node.count = 1; 3285278366Sadrian 3286280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: deleting node %d (%s)\n", __func__, 3287280094Sadrian wn->id, ether_sprintf(ni->ni_macaddr)); 3288280094Sadrian 3289278366Sadrian error = wpi_cmd(sc, WPI_CMD_DEL_NODE, &node, sizeof node, 1); 3290278366Sadrian if (error != 0) { 3291278366Sadrian device_printf(sc->sc_dev, 3292278366Sadrian "%s: could not delete node %u, error %d\n", __func__, 3293278366Sadrian wn->id, error); 3294278366Sadrian } 3295278366Sadrian} 3296278366Sadrian 3297278366Sadrianstatic int 3298278366Sadrianwpi_updateedca(struct ieee80211com *ic) 3299278366Sadrian{ 3300278366Sadrian#define WPI_EXP2(x) ((1 << (x)) - 1) /* CWmin = 2^ECWmin - 1 */ 3301278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 3302278366Sadrian struct wpi_edca_params cmd; 3303278366Sadrian int aci, error; 3304278366Sadrian 3305278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3306278366Sadrian 3307278366Sadrian memset(&cmd, 0, sizeof cmd); 3308278366Sadrian cmd.flags = htole32(WPI_EDCA_UPDATE); 3309278366Sadrian for (aci = 0; aci < WME_NUM_AC; aci++) { 3310278366Sadrian const struct wmeParams *ac = 3311278366Sadrian &ic->ic_wme.wme_chanParams.cap_wmeParams[aci]; 3312278366Sadrian cmd.ac[aci].aifsn = ac->wmep_aifsn; 3313278366Sadrian cmd.ac[aci].cwmin = htole16(WPI_EXP2(ac->wmep_logcwmin)); 3314278366Sadrian cmd.ac[aci].cwmax = htole16(WPI_EXP2(ac->wmep_logcwmax)); 3315278366Sadrian cmd.ac[aci].txoplimit = 3316278366Sadrian htole16(IEEE80211_TXOP_TO_US(ac->wmep_txopLimit)); 3317278366Sadrian 3318278366Sadrian DPRINTF(sc, WPI_DEBUG_EDCA, 3319278366Sadrian "setting WME for queue %d aifsn=%d cwmin=%d cwmax=%d " 3320278366Sadrian "txoplimit=%d\n", aci, cmd.ac[aci].aifsn, 3321278366Sadrian cmd.ac[aci].cwmin, cmd.ac[aci].cwmax, 3322278366Sadrian cmd.ac[aci].txoplimit); 3323278366Sadrian } 3324278366Sadrian error = wpi_cmd(sc, WPI_CMD_EDCA_PARAMS, &cmd, sizeof cmd, 1); 3325278366Sadrian 3326278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3327278366Sadrian 3328278366Sadrian return error; 3329278366Sadrian#undef WPI_EXP2 3330278366Sadrian} 3331278366Sadrian 3332278366Sadrianstatic void 3333278366Sadrianwpi_set_promisc(struct wpi_softc *sc) 3334278366Sadrian{ 3335278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3336278366Sadrian uint32_t promisc_filter; 3337278366Sadrian 3338278366Sadrian promisc_filter = WPI_FILTER_PROMISC | WPI_FILTER_CTL; 3339278366Sadrian 3340278366Sadrian if (ifp->if_flags & IFF_PROMISC) 3341278366Sadrian sc->rxon.filter |= htole32(promisc_filter); 3342278366Sadrian else 3343278366Sadrian sc->rxon.filter &= ~htole32(promisc_filter); 3344278366Sadrian} 3345278366Sadrian 3346278366Sadrianstatic void 3347278366Sadrianwpi_update_promisc(struct ifnet *ifp) 3348278366Sadrian{ 3349278366Sadrian struct wpi_softc *sc = ifp->if_softc; 3350278366Sadrian 3351280074Sadrian WPI_LOCK(sc); 3352278366Sadrian wpi_set_promisc(sc); 3353278366Sadrian 3354278366Sadrian if (wpi_send_rxon(sc, 1, 1) != 0) { 3355278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3356278366Sadrian __func__); 3357278366Sadrian } 3358278366Sadrian WPI_UNLOCK(sc); 3359278366Sadrian} 3360278366Sadrian 3361278366Sadrianstatic void 3362278366Sadrianwpi_update_mcast(struct ifnet *ifp) 3363278366Sadrian{ 3364278366Sadrian /* Ignore */ 3365278366Sadrian} 3366278366Sadrian 3367278366Sadrianstatic void 3368173362Sbenjscwpi_set_led(struct wpi_softc *sc, uint8_t which, uint8_t off, uint8_t on) 3369173362Sbenjsc{ 3370173362Sbenjsc struct wpi_cmd_led led; 3371173362Sbenjsc 3372278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3373278366Sadrian 3374173362Sbenjsc led.which = which; 3375173362Sbenjsc led.unit = htole32(100000); /* on/off in unit of 100ms */ 3376173362Sbenjsc led.off = off; 3377173362Sbenjsc led.on = on; 3378173362Sbenjsc (void)wpi_cmd(sc, WPI_CMD_SET_LED, &led, sizeof led, 1); 3379173362Sbenjsc} 3380173362Sbenjsc 3381278366Sadrianstatic int 3382278366Sadrianwpi_set_timing(struct wpi_softc *sc, struct ieee80211_node *ni) 3383173362Sbenjsc{ 3384278366Sadrian struct wpi_cmd_timing cmd; 3385173362Sbenjsc uint64_t val, mod; 3386173362Sbenjsc 3387278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3388173362Sbenjsc 3389278366Sadrian memset(&cmd, 0, sizeof cmd); 3390278366Sadrian memcpy(&cmd.tstamp, ni->ni_tstamp.data, sizeof (uint64_t)); 3391278366Sadrian cmd.bintval = htole16(ni->ni_intval); 3392278366Sadrian cmd.lintval = htole16(10); 3393173362Sbenjsc 3394278366Sadrian /* Compute remaining time until next beacon. */ 3395278366Sadrian val = (uint64_t)ni->ni_intval * IEEE80211_DUR_TU; 3396278366Sadrian mod = le64toh(cmd.tstamp) % val; 3397278366Sadrian cmd.binitval = htole32((uint32_t)(val - mod)); 3398278366Sadrian 3399278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "timing bintval=%u tstamp=%ju, init=%u\n", 3400278366Sadrian ni->ni_intval, le64toh(cmd.tstamp), (uint32_t)(val - mod)); 3401278366Sadrian 3402278366Sadrian return wpi_cmd(sc, WPI_CMD_TIMING, &cmd, sizeof cmd, 1); 3403173362Sbenjsc} 3404173362Sbenjsc 3405173362Sbenjsc/* 3406278366Sadrian * This function is called periodically (every 60 seconds) to adjust output 3407278366Sadrian * power to temperature changes. 3408173362Sbenjsc */ 3409278366Sadrianstatic void 3410278366Sadrianwpi_power_calibration(struct wpi_softc *sc) 3411278366Sadrian{ 3412278366Sadrian int temp; 3413278366Sadrian 3414278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3415278366Sadrian 3416278366Sadrian /* Update sensor data. */ 3417278366Sadrian temp = (int)WPI_READ(sc, WPI_UCODE_GP2); 3418278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "Temp in calibration is: %d\n", temp); 3419278366Sadrian 3420278366Sadrian /* Sanity-check read value. */ 3421278366Sadrian if (temp < -260 || temp > 25) { 3422278366Sadrian /* This can't be correct, ignore. */ 3423278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3424278366Sadrian "out-of-range temperature reported: %d\n", temp); 3425278366Sadrian return; 3426278366Sadrian } 3427278366Sadrian 3428278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d->%d\n", sc->temp, temp); 3429278366Sadrian 3430278366Sadrian /* Adjust Tx power if need be. */ 3431278366Sadrian if (abs(temp - sc->temp) <= 6) 3432278366Sadrian return; 3433278366Sadrian 3434278366Sadrian sc->temp = temp; 3435278366Sadrian 3436278366Sadrian if (wpi_set_txpower(sc, 1) != 0) { 3437278366Sadrian /* just warn, too bad for the automatic calibration... */ 3438278366Sadrian device_printf(sc->sc_dev,"could not adjust Tx power\n"); 3439278366Sadrian } 3440278366Sadrian} 3441278366Sadrian 3442278366Sadrian/* 3443278366Sadrian * Set TX power for current channel. 3444278366Sadrian */ 3445173362Sbenjscstatic int 3446278366Sadrianwpi_set_txpower(struct wpi_softc *sc, int async) 3447173362Sbenjsc{ 3448280067Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3449278366Sadrian struct ieee80211_channel *ch; 3450278366Sadrian struct wpi_power_group *group; 3451278366Sadrian struct wpi_cmd_txpower cmd; 3452278366Sadrian uint8_t chan; 3453278366Sadrian int idx, i; 3454173362Sbenjsc 3455278366Sadrian /* Retrieve current channel from last RXON. */ 3456278366Sadrian chan = sc->rxon.chan; 3457278366Sadrian ch = &ic->ic_channels[chan]; 3458173362Sbenjsc 3459278366Sadrian /* Find the TX power group to which this channel belongs. */ 3460278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3461278366Sadrian for (group = &sc->groups[1]; group < &sc->groups[4]; group++) 3462278366Sadrian if (chan <= group->chan) 3463278366Sadrian break; 3464278366Sadrian } else 3465278366Sadrian group = &sc->groups[0]; 3466278366Sadrian 3467278366Sadrian memset(&cmd, 0, sizeof cmd); 3468278366Sadrian cmd.band = IEEE80211_IS_CHAN_5GHZ(ch) ? 0 : 1; 3469278366Sadrian cmd.chan = htole16(chan); 3470278366Sadrian 3471278366Sadrian /* Set TX power for all OFDM and CCK rates. */ 3472278366Sadrian for (i = 0; i <= WPI_RIDX_MAX ; i++) { 3473278366Sadrian /* Retrieve TX power for this channel/rate. */ 3474278366Sadrian idx = wpi_get_power_index(sc, group, ch, i); 3475278366Sadrian 3476278366Sadrian cmd.rates[i].plcp = wpi_ridx_to_plcp[i]; 3477278366Sadrian 3478278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3479278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_5ghz[idx]; 3480278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_5ghz[idx]; 3481278366Sadrian } else { 3482278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_2ghz[idx]; 3483278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_2ghz[idx]; 3484278366Sadrian } 3485278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3486278366Sadrian "chan %d/ridx %d: power index %d\n", chan, i, idx); 3487173362Sbenjsc } 3488173362Sbenjsc 3489278366Sadrian return wpi_cmd(sc, WPI_CMD_TXPOWER, &cmd, sizeof cmd, async); 3490278366Sadrian} 3491173362Sbenjsc 3492278366Sadrian/* 3493278366Sadrian * Determine Tx power index for a given channel/rate combination. 3494278366Sadrian * This takes into account the regulatory information from EEPROM and the 3495278366Sadrian * current temperature. 3496278366Sadrian */ 3497278366Sadrianstatic int 3498278366Sadrianwpi_get_power_index(struct wpi_softc *sc, struct wpi_power_group *group, 3499278366Sadrian struct ieee80211_channel *c, int ridx) 3500278366Sadrian{ 3501278366Sadrian/* Fixed-point arithmetic division using a n-bit fractional part. */ 3502280059Sadrian#define fdivround(a, b, n) \ 3503278366Sadrian ((((1 << n) * (a)) / (b) + (1 << n) / 2) / (1 << n)) 3504173362Sbenjsc 3505278366Sadrian/* Linear interpolation. */ 3506280059Sadrian#define interpolate(x, x1, y1, x2, y2, n) \ 3507278366Sadrian ((y1) + fdivround(((x) - (x1)) * ((y2) - (y1)), (x2) - (x1), n)) 3508173362Sbenjsc 3509280067Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3510278366Sadrian struct wpi_power_sample *sample; 3511278366Sadrian int pwr, idx; 3512278366Sadrian u_int chan; 3513278366Sadrian 3514278366Sadrian /* Get channel number. */ 3515278366Sadrian chan = ieee80211_chan2ieee(ic, c); 3516278366Sadrian 3517278366Sadrian /* Default TX power is group maximum TX power minus 3dB. */ 3518278366Sadrian pwr = group->maxpwr / 2; 3519278366Sadrian 3520278366Sadrian /* Decrease TX power for highest OFDM rates to reduce distortion. */ 3521278366Sadrian switch (ridx) { 3522278366Sadrian case WPI_RIDX_OFDM36: 3523278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 0 : 5; 3524278366Sadrian break; 3525278366Sadrian case WPI_RIDX_OFDM48: 3526278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 7 : 10; 3527278366Sadrian break; 3528278366Sadrian case WPI_RIDX_OFDM54: 3529278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 9 : 12; 3530278366Sadrian break; 3531173362Sbenjsc } 3532173362Sbenjsc 3533278366Sadrian /* Never exceed the channel maximum allowed TX power. */ 3534278366Sadrian pwr = min(pwr, sc->maxpwr[chan]); 3535173362Sbenjsc 3536278366Sadrian /* Retrieve TX power index into gain tables from samples. */ 3537278366Sadrian for (sample = group->samples; sample < &group->samples[3]; sample++) 3538278366Sadrian if (pwr > sample[1].power) 3539278366Sadrian break; 3540278366Sadrian /* Fixed-point linear interpolation using a 19-bit fractional part. */ 3541278366Sadrian idx = interpolate(pwr, sample[0].power, sample[0].index, 3542278366Sadrian sample[1].power, sample[1].index, 19); 3543173362Sbenjsc 3544278366Sadrian /*- 3545278366Sadrian * Adjust power index based on current temperature: 3546278366Sadrian * - if cooler than factory-calibrated: decrease output power 3547278366Sadrian * - if warmer than factory-calibrated: increase output power 3548278366Sadrian */ 3549278366Sadrian idx -= (sc->temp - group->temp) * 11 / 100; 3550173362Sbenjsc 3551278366Sadrian /* Decrease TX power for CCK rates (-5dB). */ 3552278366Sadrian if (ridx >= WPI_RIDX_CCK1) 3553278366Sadrian idx += 10; 3554278366Sadrian 3555278366Sadrian /* Make sure idx stays in a valid range. */ 3556278366Sadrian if (idx < 0) 3557278366Sadrian return 0; 3558278366Sadrian if (idx > WPI_MAX_PWR_INDEX) 3559278366Sadrian return WPI_MAX_PWR_INDEX; 3560278366Sadrian return idx; 3561278366Sadrian 3562278366Sadrian#undef interpolate 3563278366Sadrian#undef fdivround 3564173362Sbenjsc} 3565173362Sbenjsc 3566278366Sadrian/* 3567278366Sadrian * Set STA mode power saving level (between 0 and 5). 3568278366Sadrian * Level 0 is CAM (Continuously Aware Mode), 5 is for maximum power saving. 3569278366Sadrian */ 3570173362Sbenjscstatic int 3571278366Sadrianwpi_set_pslevel(struct wpi_softc *sc, uint8_t dtim, int level, int async) 3572173362Sbenjsc{ 3573278366Sadrian struct wpi_pmgt_cmd cmd; 3574278366Sadrian const struct wpi_pmgt *pmgt; 3575278366Sadrian uint32_t max, skip_dtim; 3576278366Sadrian uint32_t reg; 3577278366Sadrian int i; 3578278366Sadrian 3579278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 3580278366Sadrian "%s: dtim=%d, level=%d, async=%d\n", 3581278366Sadrian __func__, dtim, level, async); 3582278366Sadrian 3583278366Sadrian /* Select which PS parameters to use. */ 3584278366Sadrian if (dtim <= 10) 3585278366Sadrian pmgt = &wpi_pmgt[0][level]; 3586278366Sadrian else 3587278366Sadrian pmgt = &wpi_pmgt[1][level]; 3588278366Sadrian 3589278366Sadrian memset(&cmd, 0, sizeof cmd); 3590278366Sadrian if (level != 0) /* not CAM */ 3591278366Sadrian cmd.flags |= htole16(WPI_PS_ALLOW_SLEEP); 3592278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 3593278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 3594278366Sadrian if (!(reg & 0x1)) /* L0s Entry disabled. */ 3595278366Sadrian cmd.flags |= htole16(WPI_PS_PCI_PMGT); 3596278366Sadrian 3597278366Sadrian cmd.rxtimeout = htole32(pmgt->rxtimeout * IEEE80211_DUR_TU); 3598278366Sadrian cmd.txtimeout = htole32(pmgt->txtimeout * IEEE80211_DUR_TU); 3599278366Sadrian 3600278366Sadrian if (dtim == 0) { 3601278366Sadrian dtim = 1; 3602278366Sadrian skip_dtim = 0; 3603278366Sadrian } else 3604278366Sadrian skip_dtim = pmgt->skip_dtim; 3605278366Sadrian 3606278366Sadrian if (skip_dtim != 0) { 3607278366Sadrian cmd.flags |= htole16(WPI_PS_SLEEP_OVER_DTIM); 3608278366Sadrian max = pmgt->intval[4]; 3609278366Sadrian if (max == (uint32_t)-1) 3610278366Sadrian max = dtim * (skip_dtim + 1); 3611278366Sadrian else if (max > dtim) 3612278366Sadrian max = (max / dtim) * dtim; 3613278366Sadrian } else 3614278366Sadrian max = dtim; 3615278366Sadrian 3616278366Sadrian for (i = 0; i < 5; i++) 3617278366Sadrian cmd.intval[i] = htole32(MIN(max, pmgt->intval[i])); 3618278366Sadrian 3619278366Sadrian return wpi_cmd(sc, WPI_CMD_SET_POWER_MODE, &cmd, sizeof cmd, async); 3620278366Sadrian} 3621278366Sadrian 3622280059Sadrianstatic int 3623278366Sadrianwpi_send_btcoex(struct wpi_softc *sc) 3624278366Sadrian{ 3625278366Sadrian struct wpi_bluetooth cmd; 3626278366Sadrian 3627280059Sadrian memset(&cmd, 0, sizeof cmd); 3628280059Sadrian cmd.flags = WPI_BT_COEX_MODE_4WIRE; 3629280059Sadrian cmd.lead_time = WPI_BT_LEAD_TIME_DEF; 3630280059Sadrian cmd.max_kill = WPI_BT_MAX_KILL_DEF; 3631278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "%s: configuring bluetooth coexistence\n", 3632278366Sadrian __func__); 3633280059Sadrian return wpi_cmd(sc, WPI_CMD_BT_COEX, &cmd, sizeof(cmd), 0); 3634278366Sadrian} 3635278366Sadrian 3636278366Sadrianstatic int 3637278366Sadrianwpi_send_rxon(struct wpi_softc *sc, int assoc, int async) 3638278366Sadrian{ 3639173362Sbenjsc int error; 3640173362Sbenjsc 3641278366Sadrian if (assoc && (sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3642278366Sadrian struct wpi_assoc rxon_assoc; 3643177043Sthompsa 3644278366Sadrian rxon_assoc.flags = sc->rxon.flags; 3645278366Sadrian rxon_assoc.filter = sc->rxon.filter; 3646278366Sadrian rxon_assoc.ofdm_mask = sc->rxon.ofdm_mask; 3647278366Sadrian rxon_assoc.cck_mask = sc->rxon.cck_mask; 3648278366Sadrian rxon_assoc.reserved = 0; 3649278366Sadrian 3650278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON_ASSOC, &rxon_assoc, 3651278366Sadrian sizeof (struct wpi_assoc), async); 3652216522Sbschmidt } else { 3653280077Sadrian if (async) 3654280077Sadrian WPI_NT_LOCK(sc); 3655280077Sadrian 3656278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3657278366Sadrian sizeof (struct wpi_rxon), async); 3658280069Sadrian 3659280069Sadrian wpi_clear_node_table(sc); 3660280077Sadrian 3661280077Sadrian if (async) 3662280077Sadrian WPI_NT_UNLOCK(sc); 3663173362Sbenjsc } 3664173362Sbenjsc if (error != 0) { 3665278366Sadrian device_printf(sc->sc_dev, "RXON command failed, error %d\n", 3666278366Sadrian error); 3667173362Sbenjsc return error; 3668173362Sbenjsc } 3669173362Sbenjsc 3670278366Sadrian /* Configuration has changed, set Tx power accordingly. */ 3671278366Sadrian if ((error = wpi_set_txpower(sc, async)) != 0) { 3672278366Sadrian device_printf(sc->sc_dev, 3673278366Sadrian "%s: could not set TX power, error %d\n", __func__, error); 3674173362Sbenjsc return error; 3675173362Sbenjsc } 3676173362Sbenjsc 3677278366Sadrian if (!(sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3678278366Sadrian /* Add broadcast node. */ 3679278366Sadrian error = wpi_add_broadcast_node(sc, async); 3680278366Sadrian if (error != 0) { 3681278366Sadrian device_printf(sc->sc_dev, 3682278366Sadrian "could not add broadcast node, error %d\n", error); 3683278366Sadrian return error; 3684278366Sadrian } 3685278366Sadrian } 3686177043Sthompsa 3687278366Sadrian return 0; 3688177043Sthompsa} 3689177043Sthompsa 3690278366Sadrian/** 3691278366Sadrian * Configure the card to listen to a particular channel, this transisions the 3692278366Sadrian * card in to being able to receive frames from remote devices. 3693278366Sadrian */ 3694177043Sthompsastatic int 3695278366Sadrianwpi_config(struct wpi_softc *sc) 3696177043Sthompsa{ 3697278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3698278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3699279762Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3700278366Sadrian uint32_t flags; 3701177043Sthompsa int error; 3702177043Sthompsa 3703278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3704278366Sadrian 3705278366Sadrian /* Set power saving level to CAM during initialization. */ 3706278366Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 0)) != 0) { 3707278366Sadrian device_printf(sc->sc_dev, 3708278366Sadrian "%s: could not set power saving level\n", __func__); 3709278366Sadrian return error; 3710178354Ssam } 3711178354Ssam 3712278366Sadrian /* Configure bluetooth coexistence. */ 3713278366Sadrian if ((error = wpi_send_btcoex(sc)) != 0) { 3714278366Sadrian device_printf(sc->sc_dev, 3715278366Sadrian "could not configure bluetooth coexistence\n"); 3716278366Sadrian return error; 3717278366Sadrian } 3718177043Sthompsa 3719278366Sadrian /* Configure adapter. */ 3720278366Sadrian memset(&sc->rxon, 0, sizeof (struct wpi_rxon)); 3721279762Sadrian IEEE80211_ADDR_COPY(sc->rxon.myaddr, vap->iv_myaddr); 3722177043Sthompsa 3723278366Sadrian /* Set default channel. */ 3724278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ic->ic_curchan); 3725278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3726278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) 3727278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3728177043Sthompsa 3729278764Sadrian sc->rxon.filter = WPI_FILTER_MULTICAST; 3730278366Sadrian switch (ic->ic_opmode) { 3731278366Sadrian case IEEE80211_M_STA: 3732278366Sadrian sc->rxon.mode = WPI_MODE_STA; 3733278366Sadrian break; 3734278366Sadrian case IEEE80211_M_IBSS: 3735278366Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3736278764Sadrian sc->rxon.filter |= WPI_FILTER_BEACON; 3737278366Sadrian break; 3738278366Sadrian /* XXX workaround for passive channels selection */ 3739278366Sadrian case IEEE80211_M_AHDEMO: 3740278366Sadrian case IEEE80211_M_HOSTAP: 3741278366Sadrian sc->rxon.mode = WPI_MODE_HOSTAP; 3742278366Sadrian break; 3743278366Sadrian case IEEE80211_M_MONITOR: 3744278366Sadrian sc->rxon.mode = WPI_MODE_MONITOR; 3745278366Sadrian break; 3746278366Sadrian default: 3747280066Sadrian device_printf(sc->sc_dev, "unknown opmode %d\n", 3748280066Sadrian ic->ic_opmode); 3749278366Sadrian return EINVAL; 3750278366Sadrian } 3751278764Sadrian sc->rxon.filter = htole32(sc->rxon.filter); 3752278366Sadrian wpi_set_promisc(sc); 3753278366Sadrian sc->rxon.cck_mask = 0x0f; /* not yet negotiated */ 3754278366Sadrian sc->rxon.ofdm_mask = 0xff; /* not yet negotiated */ 3755278366Sadrian 3756278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) { 3757278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3758278366Sadrian __func__); 3759173362Sbenjsc return error; 3760173362Sbenjsc } 3761173362Sbenjsc 3762278366Sadrian /* Setup rate scalling. */ 3763278366Sadrian if ((error = wpi_mrr_setup(sc)) != 0) { 3764278366Sadrian device_printf(sc->sc_dev, "could not setup MRR, error %d\n", 3765278366Sadrian error); 3766278366Sadrian return error; 3767278366Sadrian } 3768278366Sadrian 3769278366Sadrian /* Disable beacon notifications (unused). */ 3770278366Sadrian flags = WPI_STATISTICS_BEACON_DISABLE; 3771278366Sadrian error = wpi_cmd(sc, WPI_CMD_GET_STATISTICS, &flags, sizeof flags, 1); 3772177043Sthompsa if (error != 0) { 3773278366Sadrian device_printf(sc->sc_dev, 3774278366Sadrian "could not disable beacon statistics, error %d\n", error); 3775177043Sthompsa return error; 3776177043Sthompsa } 3777173362Sbenjsc 3778278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3779177043Sthompsa 3780278366Sadrian return 0; 3781278366Sadrian} 3782177043Sthompsa 3783278366Sadrianstatic uint16_t 3784278366Sadrianwpi_get_active_dwell_time(struct wpi_softc *sc, 3785278366Sadrian struct ieee80211_channel *c, uint8_t n_probes) 3786278366Sadrian{ 3787278366Sadrian /* No channel? Default to 2GHz settings. */ 3788278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) { 3789278366Sadrian return (WPI_ACTIVE_DWELL_TIME_2GHZ + 3790278366Sadrian WPI_ACTIVE_DWELL_FACTOR_2GHZ * (n_probes + 1)); 3791278366Sadrian } 3792278366Sadrian 3793278366Sadrian /* 5GHz dwell time. */ 3794278366Sadrian return (WPI_ACTIVE_DWELL_TIME_5GHZ + 3795278366Sadrian WPI_ACTIVE_DWELL_FACTOR_5GHZ * (n_probes + 1)); 3796173362Sbenjsc} 3797173362Sbenjsc 3798173362Sbenjsc/* 3799278366Sadrian * Limit the total dwell time to 85% of the beacon interval. 3800278366Sadrian * 3801278366Sadrian * Returns the dwell time in milliseconds. 3802173362Sbenjsc */ 3803278366Sadrianstatic uint16_t 3804278366Sadrianwpi_limit_dwell(struct wpi_softc *sc, uint16_t dwell_time) 3805278366Sadrian{ 3806278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3807278366Sadrian struct ieee80211vap *vap = NULL; 3808278366Sadrian int bintval = 0; 3809278366Sadrian 3810278366Sadrian /* bintval is in TU (1.024mS) */ 3811278366Sadrian if (! TAILQ_EMPTY(&ic->ic_vaps)) { 3812278366Sadrian vap = TAILQ_FIRST(&ic->ic_vaps); 3813278366Sadrian bintval = vap->iv_bss->ni_intval; 3814278366Sadrian } 3815278366Sadrian 3816278366Sadrian /* 3817278366Sadrian * If it's non-zero, we should calculate the minimum of 3818278366Sadrian * it and the DWELL_BASE. 3819278366Sadrian * 3820278366Sadrian * XXX Yes, the math should take into account that bintval 3821278366Sadrian * is 1.024mS, not 1mS.. 3822278366Sadrian */ 3823278366Sadrian if (bintval > 0) { 3824278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "%s: bintval=%d\n", __func__, 3825278366Sadrian bintval); 3826278366Sadrian return (MIN(WPI_PASSIVE_DWELL_BASE, ((bintval * 85) / 100))); 3827278366Sadrian } 3828278366Sadrian 3829278366Sadrian /* No association context? Default. */ 3830278366Sadrian return (WPI_PASSIVE_DWELL_BASE); 3831278366Sadrian} 3832278366Sadrian 3833278366Sadrianstatic uint16_t 3834278366Sadrianwpi_get_passive_dwell_time(struct wpi_softc *sc, struct ieee80211_channel *c) 3835278366Sadrian{ 3836278366Sadrian uint16_t passive; 3837278366Sadrian 3838278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) 3839278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_2GHZ; 3840278366Sadrian else 3841278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_5GHZ; 3842278366Sadrian 3843278366Sadrian /* Clamp to the beacon interval if we're associated. */ 3844278366Sadrian return (wpi_limit_dwell(sc, passive)); 3845278366Sadrian} 3846278366Sadrian 3847278366Sadrian/* 3848278366Sadrian * Send a scan request to the firmware. 3849278366Sadrian */ 3850173362Sbenjscstatic int 3851278366Sadrianwpi_scan(struct wpi_softc *sc, struct ieee80211_channel *c) 3852173362Sbenjsc{ 3853178354Ssam struct ifnet *ifp = sc->sc_ifp; 3854178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3855177043Sthompsa struct ieee80211_scan_state *ss = ic->ic_scan; 3856279762Sadrian struct ieee80211vap *vap = ss->ss_vap; 3857173362Sbenjsc struct wpi_scan_hdr *hdr; 3858278366Sadrian struct wpi_cmd_data *tx; 3859278366Sadrian struct wpi_scan_essid *essids; 3860173362Sbenjsc struct wpi_scan_chan *chan; 3861173362Sbenjsc struct ieee80211_frame *wh; 3862173362Sbenjsc struct ieee80211_rateset *rs; 3863278366Sadrian uint16_t dwell_active, dwell_passive; 3864278366Sadrian uint8_t *buf, *frm; 3865278366Sadrian int buflen, error, i, nssid; 3866173362Sbenjsc 3867278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3868173362Sbenjsc 3869278366Sadrian /* 3870278366Sadrian * We are absolutely not allowed to send a scan command when another 3871278366Sadrian * scan command is pending. 3872278366Sadrian */ 3873278366Sadrian if (sc->sc_scan_timer) { 3874278366Sadrian device_printf(sc->sc_dev, "%s: called whilst scanning!\n", 3875278366Sadrian __func__); 3876280060Sadrian 3877280060Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3878280060Sadrian 3879278366Sadrian return (EAGAIN); 3880278366Sadrian } 3881278366Sadrian 3882278366Sadrian buf = malloc(WPI_SCAN_MAXSZ, M_DEVBUF, M_NOWAIT | M_ZERO); 3883278366Sadrian if (buf == NULL) { 3884173362Sbenjsc device_printf(sc->sc_dev, 3885278366Sadrian "%s: could not allocate buffer for scan command\n", 3886278366Sadrian __func__); 3887280060Sadrian error = ENOMEM; 3888280060Sadrian goto fail; 3889173362Sbenjsc } 3890278366Sadrian hdr = (struct wpi_scan_hdr *)buf; 3891173362Sbenjsc 3892173362Sbenjsc /* 3893278366Sadrian * Move to the next channel if no packets are received within 10 msecs 3894278366Sadrian * after sending the probe request. 3895173362Sbenjsc */ 3896278366Sadrian hdr->quiet_time = htole16(10); /* timeout in milliseconds */ 3897278366Sadrian hdr->quiet_threshold = htole16(1); /* min # of packets */ 3898278366Sadrian /* 3899278366Sadrian * Max needs to be greater than active and passive and quiet! 3900278366Sadrian * It's also in microseconds! 3901278366Sadrian */ 3902278366Sadrian hdr->max_svc = htole32(250 * IEEE80211_DUR_TU); 3903278366Sadrian hdr->pause_svc = htole32((4 << 24) | 3904278366Sadrian (100 * IEEE80211_DUR_TU)); /* Hardcode for now */ 3905278366Sadrian hdr->filter = htole32(WPI_FILTER_MULTICAST | WPI_FILTER_BEACON); 3906173362Sbenjsc 3907278366Sadrian tx = (struct wpi_cmd_data *)(hdr + 1); 3908278366Sadrian tx->flags = htole32(WPI_TX_AUTO_SEQ); 3909278366Sadrian tx->id = WPI_ID_BROADCAST; 3910278366Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 3911173362Sbenjsc 3912278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) { 3913278366Sadrian /* Send probe requests at 6Mbps. */ 3914278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_OFDM6]; 3915278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11A]; 3916173362Sbenjsc } else { 3917278366Sadrian hdr->flags = htole32(WPI_RXON_24GHZ | WPI_RXON_AUTO); 3918278366Sadrian /* Send probe requests at 1Mbps. */ 3919278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3920278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11G]; 3921173362Sbenjsc } 3922173362Sbenjsc 3923278366Sadrian essids = (struct wpi_scan_essid *)(tx + 1); 3924177043Sthompsa nssid = MIN(ss->ss_nssid, WPI_SCAN_MAX_ESSIDS); 3925178354Ssam for (i = 0; i < nssid; i++) { 3926278366Sadrian essids[i].id = IEEE80211_ELEMID_SSID; 3927278366Sadrian essids[i].len = MIN(ss->ss_ssid[i].len, IEEE80211_NWID_LEN); 3928278366Sadrian memcpy(essids[i].data, ss->ss_ssid[i].ssid, essids[i].len); 3929179957Sthompsa#ifdef WPI_DEBUG 3930278366Sadrian if (sc->sc_debug & WPI_DEBUG_SCAN) { 3931177043Sthompsa printf("Scanning Essid: "); 3932278366Sadrian ieee80211_print_essid(essids[i].data, essids[i].len); 3933177043Sthompsa printf("\n"); 3934177043Sthompsa } 3935179957Sthompsa#endif 3936173362Sbenjsc } 3937173362Sbenjsc 3938173362Sbenjsc /* 3939173362Sbenjsc * Build a probe request frame. Most of the following code is a 3940173362Sbenjsc * copy & paste of what is done in net80211. 3941173362Sbenjsc */ 3942278366Sadrian wh = (struct ieee80211_frame *)(essids + WPI_SCAN_MAX_ESSIDS); 3943173362Sbenjsc wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 3944173362Sbenjsc IEEE80211_FC0_SUBTYPE_PROBE_REQ; 3945173362Sbenjsc wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 3946173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr1, ifp->if_broadcastaddr); 3947279762Sadrian IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); 3948173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr3, ifp->if_broadcastaddr); 3949278366Sadrian *(uint16_t *)&wh->i_dur[0] = 0; /* filled by h/w */ 3950278366Sadrian *(uint16_t *)&wh->i_seq[0] = 0; /* filled by h/w */ 3951173362Sbenjsc 3952173362Sbenjsc frm = (uint8_t *)(wh + 1); 3953275966Sadrian frm = ieee80211_add_ssid(frm, NULL, 0); 3954275966Sadrian frm = ieee80211_add_rates(frm, rs); 3955278366Sadrian if (rs->rs_nrates > IEEE80211_RATE_SIZE) 3956278366Sadrian frm = ieee80211_add_xrates(frm, rs); 3957173362Sbenjsc 3958278366Sadrian /* Set length of probe request. */ 3959278366Sadrian tx->len = htole16(frm - (uint8_t *)wh); 3960173362Sbenjsc 3961173362Sbenjsc /* 3962173362Sbenjsc * Construct information about the channel that we 3963173362Sbenjsc * want to scan. The firmware expects this to be directly 3964173362Sbenjsc * after the scan probe request 3965173362Sbenjsc */ 3966173362Sbenjsc chan = (struct wpi_scan_chan *)frm; 3967278366Sadrian chan->chan = htole16(ieee80211_chan2ieee(ic, c)); 3968173362Sbenjsc chan->flags = 0; 3969278366Sadrian if (nssid) { 3970278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_DEFAULT; 3971278366Sadrian chan->flags |= WPI_CHAN_NPBREQS(nssid); 3972278366Sadrian } else 3973278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_NEVER; 3974278366Sadrian 3975278764Sadrian if (!IEEE80211_IS_CHAN_PASSIVE(c)) 3976173362Sbenjsc chan->flags |= WPI_CHAN_ACTIVE; 3977173362Sbenjsc 3978278366Sadrian /* 3979278366Sadrian * Calculate the active/passive dwell times. 3980278366Sadrian */ 3981173362Sbenjsc 3982278366Sadrian dwell_active = wpi_get_active_dwell_time(sc, c, nssid); 3983278366Sadrian dwell_passive = wpi_get_passive_dwell_time(sc, c); 3984278366Sadrian 3985278366Sadrian /* Make sure they're valid. */ 3986278366Sadrian if (dwell_passive <= dwell_active) 3987278366Sadrian dwell_passive = dwell_active + 1; 3988278366Sadrian 3989278366Sadrian chan->active = htole16(dwell_active); 3990278366Sadrian chan->passive = htole16(dwell_passive); 3991278366Sadrian 3992278366Sadrian chan->dsp_gain = 0x6e; /* Default level */ 3993278366Sadrian 3994278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) 3995278366Sadrian chan->rf_gain = 0x3b; 3996278366Sadrian else 3997278366Sadrian chan->rf_gain = 0x28; 3998278366Sadrian 3999278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "Scanning %u Passive: %d\n", 4000280059Sadrian chan->chan, IEEE80211_IS_CHAN_PASSIVE(c)); 4001278366Sadrian 4002173362Sbenjsc hdr->nchan++; 4003173362Sbenjsc chan++; 4004173362Sbenjsc 4005278366Sadrian buflen = (uint8_t *)chan - buf; 4006278366Sadrian hdr->len = htole16(buflen); 4007173362Sbenjsc 4008278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "sending scan command nchan=%d\n", 4009278366Sadrian hdr->nchan); 4010278366Sadrian error = wpi_cmd(sc, WPI_CMD_SCAN, buf, buflen, 1); 4011278366Sadrian free(buf, M_DEVBUF); 4012173362Sbenjsc 4013280060Sadrian if (error != 0) 4014280060Sadrian goto fail; 4015280060Sadrian 4016278366Sadrian sc->sc_scan_timer = 5; 4017173362Sbenjsc 4018278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4019173362Sbenjsc 4020280060Sadrian return 0; 4021280060Sadrian 4022280060Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 4023280060Sadrian 4024278366Sadrian return error; 4025278366Sadrian} 4026173362Sbenjsc 4027278366Sadrianstatic int 4028278366Sadrianwpi_auth(struct wpi_softc *sc, struct ieee80211vap *vap) 4029278366Sadrian{ 4030278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4031278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4032278366Sadrian int error; 4033173362Sbenjsc 4034278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4035278366Sadrian 4036278366Sadrian /* Update adapter configuration. */ 4037278366Sadrian sc->rxon.associd = 0; 4038278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 4039278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4040278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 4041278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4042278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 4043278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4044278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4045278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4046278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4047278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4048278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 4049278366Sadrian sc->rxon.cck_mask = 0; 4050278366Sadrian sc->rxon.ofdm_mask = 0x15; 4051278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 4052278366Sadrian sc->rxon.cck_mask = 0x03; 4053278366Sadrian sc->rxon.ofdm_mask = 0; 4054278366Sadrian } else { 4055278366Sadrian /* Assume 802.11b/g. */ 4056278366Sadrian sc->rxon.cck_mask = 0x0f; 4057278366Sadrian sc->rxon.ofdm_mask = 0x15; 4058173362Sbenjsc } 4059173362Sbenjsc 4060278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x cck %x ofdm %x\n", 4061278366Sadrian sc->rxon.chan, sc->rxon.flags, sc->rxon.cck_mask, 4062278366Sadrian sc->rxon.ofdm_mask); 4063173362Sbenjsc 4064278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4065278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4066278366Sadrian __func__); 4067278366Sadrian } 4068173362Sbenjsc 4069278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4070173362Sbenjsc 4071278366Sadrian return error; 4072173362Sbenjsc} 4073173362Sbenjsc 4074173362Sbenjscstatic int 4075280084Sadrianwpi_config_beacon(struct wpi_vap *wvp) 4076280084Sadrian{ 4077280085Sadrian struct ieee80211com *ic = wvp->wv_vap.iv_ic; 4078280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4079280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4080280084Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4081280084Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 4082280084Sadrian struct ieee80211_tim_ie *tie; 4083280084Sadrian struct mbuf *m; 4084280084Sadrian uint8_t *ptr; 4085280084Sadrian int error; 4086280084Sadrian 4087280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4088280084Sadrian 4089280086Sadrian WPI_VAP_LOCK_ASSERT(wvp); 4090280084Sadrian 4091280084Sadrian cmd->len = htole16(bcn->m->m_pkthdr.len); 4092280084Sadrian cmd->plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 4093280084Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 4094280084Sadrian 4095280084Sadrian /* XXX seems to be unused */ 4096280084Sadrian if (*(bo->bo_tim) == IEEE80211_ELEMID_TIM) { 4097280084Sadrian tie = (struct ieee80211_tim_ie *) bo->bo_tim; 4098280084Sadrian ptr = mtod(bcn->m, uint8_t *); 4099280084Sadrian 4100280084Sadrian cmd->tim = htole16(bo->bo_tim - ptr); 4101280084Sadrian cmd->timsz = tie->tim_len; 4102280084Sadrian } 4103280084Sadrian 4104280084Sadrian /* Necessary for recursion in ieee80211_beacon_update(). */ 4105280084Sadrian m = bcn->m; 4106280084Sadrian bcn->m = m_dup(m, M_NOWAIT); 4107280084Sadrian if (bcn->m == NULL) { 4108280084Sadrian device_printf(sc->sc_dev, 4109280084Sadrian "%s: could not copy beacon frame\n", __func__); 4110280084Sadrian error = ENOMEM; 4111280084Sadrian goto end; 4112280084Sadrian } 4113280084Sadrian 4114280084Sadrian if ((error = wpi_cmd2(sc, bcn)) != 0) { 4115280084Sadrian device_printf(sc->sc_dev, 4116280084Sadrian "%s: could not update beacon frame, error %d", __func__, 4117280084Sadrian error); 4118280084Sadrian } 4119280084Sadrian 4120280084Sadrian /* Restore mbuf. */ 4121280084Sadrianend: bcn->m = m; 4122280084Sadrian 4123280084Sadrian return error; 4124280084Sadrian} 4125280084Sadrian 4126280084Sadrianstatic int 4127278366Sadrianwpi_setup_beacon(struct wpi_softc *sc, struct ieee80211_node *ni) 4128173362Sbenjsc{ 4129280082Sadrian struct wpi_vap *wvp = WPI_VAP(ni->ni_vap); 4130278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4131280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4132278366Sadrian struct mbuf *m; 4133280084Sadrian int error; 4134173362Sbenjsc 4135278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4136278366Sadrian 4137278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) 4138278366Sadrian return EINVAL; 4139278366Sadrian 4140280084Sadrian m = ieee80211_beacon_alloc(ni, bo); 4141278366Sadrian if (m == NULL) { 4142278366Sadrian device_printf(sc->sc_dev, 4143278366Sadrian "%s: could not allocate beacon frame\n", __func__); 4144278366Sadrian return ENOMEM; 4145173362Sbenjsc } 4146173362Sbenjsc 4147280086Sadrian WPI_VAP_LOCK(wvp); 4148280084Sadrian if (bcn->m != NULL) 4149280084Sadrian m_freem(bcn->m); 4150278366Sadrian 4151278366Sadrian bcn->m = m; 4152278366Sadrian 4153280084Sadrian error = wpi_config_beacon(wvp); 4154280086Sadrian WPI_VAP_UNLOCK(wvp); 4155280084Sadrian 4156280084Sadrian return error; 4157278366Sadrian} 4158278366Sadrian 4159278366Sadrianstatic void 4160278366Sadrianwpi_update_beacon(struct ieee80211vap *vap, int item) 4161278366Sadrian{ 4162280057Sadrian struct wpi_softc *sc = vap->iv_ic->ic_ifp->if_softc; 4163280084Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4164280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4165280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4166278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4167280084Sadrian int mcast = 0; 4168278366Sadrian 4169280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4170280084Sadrian 4171280086Sadrian WPI_VAP_LOCK(wvp); 4172280084Sadrian if (bcn->m == NULL) { 4173280084Sadrian bcn->m = ieee80211_beacon_alloc(ni, bo); 4174280084Sadrian if (bcn->m == NULL) { 4175280084Sadrian device_printf(sc->sc_dev, 4176280084Sadrian "%s: could not allocate beacon frame\n", __func__); 4177280084Sadrian 4178280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, 4179280084Sadrian __func__); 4180280084Sadrian 4181280086Sadrian WPI_VAP_UNLOCK(wvp); 4182280084Sadrian return; 4183280084Sadrian } 4184173362Sbenjsc } 4185280086Sadrian WPI_VAP_UNLOCK(wvp); 4186280084Sadrian 4187280084Sadrian if (item == IEEE80211_BEACON_TIM) 4188280084Sadrian mcast = 1; /* TODO */ 4189280084Sadrian 4190280084Sadrian setbit(bo->bo_flags, item); 4191280084Sadrian ieee80211_beacon_update(ni, bo, bcn->m, mcast); 4192280084Sadrian 4193280086Sadrian WPI_VAP_LOCK(wvp); 4194280084Sadrian wpi_config_beacon(wvp); 4195280086Sadrian WPI_VAP_UNLOCK(wvp); 4196280084Sadrian 4197280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4198278366Sadrian} 4199173362Sbenjsc 4200280079Sadrianstatic void 4201280079Sadrianwpi_newassoc(struct ieee80211_node *ni, int isnew) 4202280079Sadrian{ 4203280079Sadrian struct ieee80211vap *vap = ni->ni_vap; 4204280079Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4205280079Sadrian struct wpi_node *wn = WPI_NODE(ni); 4206280079Sadrian int error; 4207280079Sadrian 4208280079Sadrian WPI_NT_LOCK(sc); 4209280079Sadrian 4210280079Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4211280079Sadrian 4212280079Sadrian if (vap->iv_opmode != IEEE80211_M_STA && wn->id == WPI_ID_UNDEFINED) { 4213280079Sadrian if ((error = wpi_add_ibss_node(sc, ni)) != 0) { 4214280079Sadrian device_printf(sc->sc_dev, 4215280079Sadrian "%s: could not add IBSS node, error %d\n", 4216280079Sadrian __func__, error); 4217280079Sadrian } 4218280079Sadrian } 4219280079Sadrian WPI_NT_UNLOCK(sc); 4220280079Sadrian} 4221280079Sadrian 4222278366Sadrianstatic int 4223278366Sadrianwpi_run(struct wpi_softc *sc, struct ieee80211vap *vap) 4224278366Sadrian{ 4225278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4226278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4227278366Sadrian int error; 4228278366Sadrian 4229278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4230278366Sadrian 4231278366Sadrian if (vap->iv_opmode == IEEE80211_M_MONITOR) { 4232278366Sadrian /* Link LED blinks while monitoring. */ 4233278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 5, 5); 4234278366Sadrian return 0; 4235173362Sbenjsc } 4236278366Sadrian 4237278366Sadrian /* XXX kernel panic workaround */ 4238278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) { 4239278366Sadrian device_printf(sc->sc_dev, "%s: incomplete configuration\n", 4240278366Sadrian __func__); 4241195562Srpaulo return EINVAL; 4242173362Sbenjsc } 4243278366Sadrian 4244278366Sadrian if ((error = wpi_set_timing(sc, ni)) != 0) { 4245278366Sadrian device_printf(sc->sc_dev, 4246278366Sadrian "%s: could not set timing, error %d\n", __func__, error); 4247173362Sbenjsc return error; 4248173362Sbenjsc } 4249173362Sbenjsc 4250278366Sadrian /* Update adapter configuration. */ 4251278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4252278366Sadrian sc->rxon.associd = htole16(IEEE80211_NODE_AID(ni)); 4253278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 4254278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4255278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 4256278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4257278366Sadrian /* Short preamble and slot time are negotiated when associating. */ 4258278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_SHPREAMBLE | WPI_RXON_SHSLOT); 4259278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4260278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4261278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4262278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4263278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 4264278366Sadrian sc->rxon.cck_mask = 0; 4265278366Sadrian sc->rxon.ofdm_mask = 0x15; 4266278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 4267278366Sadrian sc->rxon.cck_mask = 0x03; 4268278366Sadrian sc->rxon.ofdm_mask = 0; 4269278366Sadrian } else { 4270278366Sadrian /* Assume 802.11b/g. */ 4271278366Sadrian sc->rxon.cck_mask = 0x0f; 4272278366Sadrian sc->rxon.ofdm_mask = 0x15; 4273173362Sbenjsc } 4274278366Sadrian sc->rxon.filter |= htole32(WPI_FILTER_BSS); 4275173362Sbenjsc 4276278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x\n", 4277278366Sadrian sc->rxon.chan, sc->rxon.flags); 4278278366Sadrian 4279278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4280278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4281278366Sadrian __func__); 4282173362Sbenjsc return error; 4283173362Sbenjsc } 4284173362Sbenjsc 4285278366Sadrian if (vap->iv_opmode == IEEE80211_M_IBSS) { 4286278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 4287278366Sadrian device_printf(sc->sc_dev, 4288278366Sadrian "%s: could not setup beacon, error %d\n", __func__, 4289278366Sadrian error); 4290278366Sadrian return error; 4291278366Sadrian } 4292173362Sbenjsc } 4293173362Sbenjsc 4294278366Sadrian if (vap->iv_opmode == IEEE80211_M_STA) { 4295278366Sadrian /* Add BSS node. */ 4296280077Sadrian WPI_NT_LOCK(sc); 4297280070Sadrian error = wpi_add_sta_node(sc, ni); 4298280077Sadrian WPI_NT_UNLOCK(sc); 4299280070Sadrian if (error != 0) { 4300278366Sadrian device_printf(sc->sc_dev, 4301278366Sadrian "%s: could not add BSS node, error %d\n", __func__, 4302278366Sadrian error); 4303278366Sadrian return error; 4304278366Sadrian } 4305278366Sadrian } 4306173362Sbenjsc 4307278366Sadrian /* Link LED always on while associated. */ 4308278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 4309173362Sbenjsc 4310278366Sadrian /* Start periodic calibration timer. */ 4311278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 4312173362Sbenjsc 4313278366Sadrian /* Enable power-saving mode if requested by user. */ 4314278366Sadrian if (vap->iv_flags & IEEE80211_F_PMGTON) 4315278366Sadrian (void)wpi_set_pslevel(sc, 0, 3, 1); 4316278764Sadrian else 4317278764Sadrian (void)wpi_set_pslevel(sc, 0, 0, 1); 4318173362Sbenjsc 4319278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4320173362Sbenjsc 4321278366Sadrian return 0; 4322173362Sbenjsc} 4323173362Sbenjsc 4324173362Sbenjscstatic int 4325280088Sadrianwpi_load_key(struct ieee80211_node *ni, const struct ieee80211_key *k) 4326173362Sbenjsc{ 4327278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4328280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4329280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4330280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4331278366Sadrian struct wpi_node_info node; 4332278366Sadrian uint16_t kflags; 4333278366Sadrian int error; 4334173362Sbenjsc 4335278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4336173362Sbenjsc 4337280088Sadrian if (wpi_check_node_entry(sc, wn->id) == 0) { 4338280088Sadrian device_printf(sc->sc_dev, "%s: node does not exist\n", 4339280088Sadrian __func__); 4340280088Sadrian return 0; 4341280088Sadrian } 4342280088Sadrian 4343278366Sadrian switch (cip->ic_cipher) { 4344278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4345278366Sadrian kflags = WPI_KFLAG_CCMP; 4346278366Sadrian break; 4347280088Sadrian 4348278366Sadrian default: 4349280088Sadrian device_printf(sc->sc_dev, "%s: unknown cipher %d\n", __func__, 4350280088Sadrian cip->ic_cipher); 4351280088Sadrian return 0; 4352278366Sadrian } 4353173362Sbenjsc 4354278366Sadrian kflags |= WPI_KFLAG_KID(k->wk_keyix); 4355278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4356278366Sadrian kflags |= WPI_KFLAG_MULTICAST; 4357173362Sbenjsc 4358278366Sadrian memset(&node, 0, sizeof node); 4359278366Sadrian node.id = wn->id; 4360278366Sadrian node.control = WPI_NODE_UPDATE; 4361278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4362278366Sadrian node.kflags = htole16(kflags); 4363278366Sadrian memcpy(node.key, k->wk_key, k->wk_keylen); 4364280088Sadrianagain: 4365280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, 4366280088Sadrian "%s: setting %s key id %d for node %d (%s)\n", __func__, 4367280088Sadrian (kflags & WPI_KFLAG_MULTICAST) ? "group" : "ucast", k->wk_keyix, 4368280088Sadrian node.id, ether_sprintf(ni->ni_macaddr)); 4369173362Sbenjsc 4370278366Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4371278366Sadrian if (error != 0) { 4372278366Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4373278366Sadrian error); 4374280088Sadrian return !error; 4375173362Sbenjsc } 4376173362Sbenjsc 4377280088Sadrian if (!(kflags & WPI_KFLAG_MULTICAST) && &vap->iv_nw_keys[0] <= k && 4378280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4379280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4380280088Sadrian node.kflags = htole16(kflags); 4381280088Sadrian 4382280088Sadrian goto again; 4383280088Sadrian } 4384280088Sadrian 4385278366Sadrian return 1; 4386173362Sbenjsc} 4387173362Sbenjsc 4388280088Sadrianstatic void 4389280088Sadrianwpi_load_key_cb(void *arg, struct ieee80211_node *ni) 4390280088Sadrian{ 4391280088Sadrian const struct ieee80211_key *k = arg; 4392280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4393280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4394280088Sadrian struct wpi_node *wn = WPI_NODE(ni); 4395280088Sadrian int error; 4396280088Sadrian 4397280088Sadrian if (vap->iv_bss == ni && wn->id == WPI_ID_UNDEFINED) 4398280088Sadrian return; 4399280088Sadrian 4400280088Sadrian WPI_NT_LOCK(sc); 4401280088Sadrian error = wpi_load_key(ni, k); 4402280088Sadrian WPI_NT_UNLOCK(sc); 4403280088Sadrian 4404280088Sadrian if (error == 0) { 4405280088Sadrian device_printf(sc->sc_dev, "%s: error while setting key\n", 4406280088Sadrian __func__); 4407280088Sadrian } 4408280088Sadrian} 4409280088Sadrian 4410278366Sadrianstatic int 4411280088Sadrianwpi_set_global_keys(struct ieee80211_node *ni) 4412173362Sbenjsc{ 4413280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4414280088Sadrian struct ieee80211_key *wk = &vap->iv_nw_keys[0]; 4415280088Sadrian int error = 1; 4416280088Sadrian 4417280088Sadrian for (; wk < &vap->iv_nw_keys[IEEE80211_WEP_NKID] && error; wk++) 4418280088Sadrian if (wk->wk_keyix != IEEE80211_KEYIX_NONE) 4419280088Sadrian error = wpi_load_key(ni, wk); 4420280088Sadrian 4421280088Sadrian return !error; 4422280088Sadrian} 4423280088Sadrian 4424280088Sadrianstatic int 4425280088Sadrianwpi_del_key(struct ieee80211_node *ni, const struct ieee80211_key *k) 4426280088Sadrian{ 4427280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4428280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4429280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4430278366Sadrian struct wpi_node_info node; 4431280088Sadrian uint16_t kflags; 4432280088Sadrian int error; 4433173362Sbenjsc 4434278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4435173362Sbenjsc 4436280088Sadrian if (wpi_check_node_entry(sc, wn->id) == 0) { 4437280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: node was removed\n", __func__); 4438280088Sadrian return 1; /* Nothing to do. */ 4439278366Sadrian } 4440173362Sbenjsc 4441280088Sadrian kflags = WPI_KFLAG_KID(k->wk_keyix); 4442280088Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4443280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4444173362Sbenjsc 4445278366Sadrian memset(&node, 0, sizeof node); 4446278366Sadrian node.id = wn->id; 4447278366Sadrian node.control = WPI_NODE_UPDATE; 4448278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4449280088Sadrian node.kflags = htole16(kflags); 4450280088Sadrianagain: 4451280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: deleting %s key %d for node %d (%s)\n", 4452280088Sadrian __func__, (kflags & WPI_KFLAG_MULTICAST) ? "group" : "ucast", 4453280088Sadrian k->wk_keyix, node.id, ether_sprintf(ni->ni_macaddr)); 4454173362Sbenjsc 4455280088Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4456280088Sadrian if (error != 0) { 4457280088Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4458280088Sadrian error); 4459280088Sadrian return !error; 4460280088Sadrian } 4461173362Sbenjsc 4462280088Sadrian if (!(kflags & WPI_KFLAG_MULTICAST) && &vap->iv_nw_keys[0] <= k && 4463280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4464280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4465280088Sadrian node.kflags = htole16(kflags); 4466280088Sadrian 4467280088Sadrian goto again; 4468280088Sadrian } 4469280088Sadrian 4470278366Sadrian return 1; 4471173362Sbenjsc} 4472173362Sbenjsc 4473280088Sadrianstatic void 4474280088Sadrianwpi_del_key_cb(void *arg, struct ieee80211_node *ni) 4475280088Sadrian{ 4476280088Sadrian const struct ieee80211_key *k = arg; 4477280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4478280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4479280088Sadrian struct wpi_node *wn = WPI_NODE(ni); 4480280088Sadrian int error; 4481280088Sadrian 4482280088Sadrian if (vap->iv_bss == ni && wn->id == WPI_ID_UNDEFINED) 4483280088Sadrian return; 4484280088Sadrian 4485280088Sadrian WPI_NT_LOCK(sc); 4486280088Sadrian error = wpi_del_key(ni, k); 4487280088Sadrian WPI_NT_UNLOCK(sc); 4488280088Sadrian 4489280088Sadrian if (error == 0) { 4490280088Sadrian device_printf(sc->sc_dev, "%s: error while deleting key\n", 4491280088Sadrian __func__); 4492280088Sadrian } 4493280088Sadrian} 4494280088Sadrian 4495280088Sadrianstatic int 4496280088Sadrianwpi_process_key(struct ieee80211vap *vap, const struct ieee80211_key *k, 4497280088Sadrian int set) 4498280088Sadrian{ 4499280088Sadrian struct ieee80211com *ic = vap->iv_ic; 4500280088Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4501280088Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4502280088Sadrian struct ieee80211_node *ni; 4503280088Sadrian int error, ni_ref = 0; 4504280088Sadrian 4505280088Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4506280088Sadrian 4507280088Sadrian if (k->wk_flags & IEEE80211_KEY_SWCRYPT) { 4508280088Sadrian /* Not for us. */ 4509280088Sadrian return 1; 4510280088Sadrian } 4511280088Sadrian 4512280088Sadrian if (!(k->wk_flags & IEEE80211_KEY_RECV)) { 4513280088Sadrian /* XMIT keys are handled in wpi_tx_data(). */ 4514280088Sadrian return 1; 4515280088Sadrian } 4516280088Sadrian 4517280088Sadrian /* Handle group keys. */ 4518280088Sadrian if (&vap->iv_nw_keys[0] <= k && 4519280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4520280088Sadrian WPI_NT_LOCK(sc); 4521280088Sadrian if (set) 4522280088Sadrian wvp->wv_gtk |= WPI_VAP_KEY(k->wk_keyix); 4523280088Sadrian else 4524280088Sadrian wvp->wv_gtk &= ~WPI_VAP_KEY(k->wk_keyix); 4525280088Sadrian WPI_NT_UNLOCK(sc); 4526280088Sadrian 4527280088Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 4528280088Sadrian ieee80211_iterate_nodes(&ic->ic_sta, 4529280088Sadrian set ? wpi_load_key_cb : wpi_del_key_cb, (void *)k); 4530280088Sadrian } 4531280088Sadrian 4532280088Sadrian return 1; 4533280088Sadrian } 4534280088Sadrian 4535280088Sadrian switch (vap->iv_opmode) { 4536280088Sadrian case IEEE80211_M_STA: 4537280088Sadrian ni = vap->iv_bss; 4538280088Sadrian break; 4539280088Sadrian 4540280088Sadrian case IEEE80211_M_IBSS: 4541280088Sadrian case IEEE80211_M_AHDEMO: 4542280088Sadrian ni = ieee80211_find_vap_node(&ic->ic_sta, vap, k->wk_macaddr); 4543280088Sadrian if (ni == NULL) 4544280088Sadrian return 0; /* should not happen */ 4545280088Sadrian 4546280088Sadrian ni_ref = 1; 4547280088Sadrian break; 4548280088Sadrian 4549280088Sadrian default: 4550280088Sadrian device_printf(sc->sc_dev, "%s: unknown opmode %d\n", __func__, 4551280088Sadrian vap->iv_opmode); 4552280088Sadrian return 0; 4553280088Sadrian } 4554280088Sadrian 4555280088Sadrian WPI_NT_LOCK(sc); 4556280088Sadrian if (set) 4557280088Sadrian error = wpi_load_key(ni, k); 4558280088Sadrian else 4559280088Sadrian error = wpi_del_key(ni, k); 4560280088Sadrian WPI_NT_UNLOCK(sc); 4561280088Sadrian 4562280088Sadrian if (ni_ref) 4563280088Sadrian ieee80211_node_decref(ni); 4564280088Sadrian 4565280088Sadrian return error; 4566280088Sadrian} 4567280088Sadrian 4568280088Sadrianstatic int 4569280088Sadrianwpi_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k, 4570280088Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 4571280088Sadrian{ 4572280088Sadrian return wpi_process_key(vap, k, 1); 4573280088Sadrian} 4574280088Sadrian 4575280088Sadrianstatic int 4576280088Sadrianwpi_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 4577280088Sadrian{ 4578280088Sadrian return wpi_process_key(vap, k, 0); 4579280088Sadrian} 4580280088Sadrian 4581278366Sadrian/* 4582278366Sadrian * This function is called after the runtime firmware notifies us of its 4583278366Sadrian * readiness (called in a process context). 4584278366Sadrian */ 4585278366Sadrianstatic int 4586278366Sadrianwpi_post_alive(struct wpi_softc *sc) 4587177043Sthompsa{ 4588278366Sadrian int ntries, error; 4589177043Sthompsa 4590278366Sadrian /* Check (again) that the radio is not disabled. */ 4591278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4592278366Sadrian return error; 4593177043Sthompsa 4594278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4595278366Sadrian 4596278366Sadrian /* NB: Runtime firmware must be up and running. */ 4597278366Sadrian if (!(wpi_prph_read(sc, WPI_APMG_RFKILL) & 1)) { 4598278366Sadrian device_printf(sc->sc_dev, 4599278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4600278366Sadrian wpi_nic_unlock(sc); 4601278366Sadrian return EPERM; /* :-) */ 4602278366Sadrian } 4603278366Sadrian wpi_nic_unlock(sc); 4604278366Sadrian 4605278366Sadrian /* Wait for thermal sensor to calibrate. */ 4606177043Sthompsa for (ntries = 0; ntries < 1000; ntries++) { 4607278366Sadrian if ((sc->temp = (int)WPI_READ(sc, WPI_UCODE_GP2)) != 0) 4608177043Sthompsa break; 4609177043Sthompsa DELAY(10); 4610177043Sthompsa } 4611177043Sthompsa 4612177043Sthompsa if (ntries == 1000) { 4613177043Sthompsa device_printf(sc->sc_dev, 4614278366Sadrian "timeout waiting for thermal sensor calibration\n"); 4615280059Sadrian return ETIMEDOUT; 4616280059Sadrian } 4617177043Sthompsa 4618280059Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d\n", sc->temp); 4619280059Sadrian return 0; 4620278366Sadrian} 4621177043Sthompsa 4622278366Sadrian/* 4623278366Sadrian * The firmware boot code is small and is intended to be copied directly into 4624278366Sadrian * the NIC internal memory (no DMA transfer). 4625278366Sadrian */ 4626278366Sadrianstatic int 4627278366Sadrianwpi_load_bootcode(struct wpi_softc *sc, const uint8_t *ucode, int size) 4628278366Sadrian{ 4629278366Sadrian int error, ntries; 4630177043Sthompsa 4631278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, "Loading microcode size 0x%x\n", size); 4632278366Sadrian 4633278366Sadrian size /= sizeof (uint32_t); 4634278366Sadrian 4635278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4636278366Sadrian return error; 4637278366Sadrian 4638278366Sadrian /* Copy microcode image into NIC memory. */ 4639278366Sadrian wpi_prph_write_region_4(sc, WPI_BSM_SRAM_BASE, 4640278366Sadrian (const uint32_t *)ucode, size); 4641278366Sadrian 4642278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_SRC, 0); 4643278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_DST, WPI_FW_TEXT_BASE); 4644278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_DWCOUNT, size); 4645278366Sadrian 4646278366Sadrian /* Start boot load now. */ 4647278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START); 4648278366Sadrian 4649278366Sadrian /* Wait for transfer to complete. */ 4650278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 4651278366Sadrian uint32_t status = WPI_READ(sc, WPI_FH_TX_STATUS); 4652278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4653278366Sadrian "firmware status=0x%x, val=0x%x, result=0x%x\n", status, 4654278366Sadrian WPI_FH_TX_STATUS_IDLE(6), 4655278366Sadrian status & WPI_FH_TX_STATUS_IDLE(6)); 4656278366Sadrian if (status & WPI_FH_TX_STATUS_IDLE(6)) { 4657278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4658278366Sadrian "Status Match! - ntries = %d\n", ntries); 4659278366Sadrian break; 4660178354Ssam } 4661278366Sadrian DELAY(10); 4662177043Sthompsa } 4663278366Sadrian if (ntries == 1000) { 4664278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4665278366Sadrian __func__); 4666278366Sadrian wpi_nic_unlock(sc); 4667278366Sadrian return ETIMEDOUT; 4668278366Sadrian } 4669177043Sthompsa 4670278366Sadrian /* Enable boot after power up. */ 4671278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START_EN); 4672278366Sadrian 4673278366Sadrian wpi_nic_unlock(sc); 4674278366Sadrian return 0; 4675177043Sthompsa} 4676177043Sthompsa 4677278366Sadrianstatic int 4678278366Sadrianwpi_load_firmware(struct wpi_softc *sc) 4679177043Sthompsa{ 4680278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4681278366Sadrian struct wpi_dma_info *dma = &sc->fw_dma; 4682278366Sadrian int error; 4683173362Sbenjsc 4684278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4685173362Sbenjsc 4686278366Sadrian /* Copy initialization sections into pre-allocated DMA-safe memory. */ 4687278366Sadrian memcpy(dma->vaddr, fw->init.data, fw->init.datasz); 4688278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4689278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->init.text, fw->init.textsz); 4690278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4691173362Sbenjsc 4692278366Sadrian /* Tell adapter where to find initialization sections. */ 4693278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4694278366Sadrian return error; 4695278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4696278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->init.datasz); 4697278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4698278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4699278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, fw->init.textsz); 4700278366Sadrian wpi_nic_unlock(sc); 4701173362Sbenjsc 4702278366Sadrian /* Load firmware boot code. */ 4703278366Sadrian error = wpi_load_bootcode(sc, fw->boot.text, fw->boot.textsz); 4704278366Sadrian if (error != 0) { 4705278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4706278366Sadrian __func__); 4707278366Sadrian return error; 4708278366Sadrian } 4709173362Sbenjsc 4710278366Sadrian /* Now press "execute". */ 4711278366Sadrian WPI_WRITE(sc, WPI_RESET, 0); 4712173362Sbenjsc 4713278366Sadrian /* Wait at most one second for first alive notification. */ 4714280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4715278366Sadrian device_printf(sc->sc_dev, 4716278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4717278366Sadrian __func__, error); 4718278366Sadrian return error; 4719173362Sbenjsc } 4720173362Sbenjsc 4721278366Sadrian /* Copy runtime sections into pre-allocated DMA-safe memory. */ 4722278366Sadrian memcpy(dma->vaddr, fw->main.data, fw->main.datasz); 4723278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4724278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->main.text, fw->main.textsz); 4725278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4726173362Sbenjsc 4727278366Sadrian /* Tell adapter where to find runtime sections. */ 4728278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4729278366Sadrian return error; 4730278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4731278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->main.datasz); 4732278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4733278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4734278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, 4735278366Sadrian WPI_FW_UPDATED | fw->main.textsz); 4736278366Sadrian wpi_nic_unlock(sc); 4737173362Sbenjsc 4738278366Sadrian return 0; 4739278366Sadrian} 4740173362Sbenjsc 4741278366Sadrianstatic int 4742278366Sadrianwpi_read_firmware(struct wpi_softc *sc) 4743278366Sadrian{ 4744278366Sadrian const struct firmware *fp; 4745278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4746278366Sadrian const struct wpi_firmware_hdr *hdr; 4747278366Sadrian int error; 4748173362Sbenjsc 4749278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4750278366Sadrian 4751278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4752278366Sadrian "Attempting Loading Firmware from %s module\n", WPI_FW_NAME); 4753278366Sadrian 4754278366Sadrian WPI_UNLOCK(sc); 4755278366Sadrian fp = firmware_get(WPI_FW_NAME); 4756278366Sadrian WPI_LOCK(sc); 4757278366Sadrian 4758278366Sadrian if (fp == NULL) { 4759278366Sadrian device_printf(sc->sc_dev, 4760278366Sadrian "could not load firmware image '%s'\n", WPI_FW_NAME); 4761278366Sadrian return EINVAL; 4762173362Sbenjsc } 4763173362Sbenjsc 4764278366Sadrian sc->fw_fp = fp; 4765173362Sbenjsc 4766278366Sadrian if (fp->datasize < sizeof (struct wpi_firmware_hdr)) { 4767278366Sadrian device_printf(sc->sc_dev, 4768278366Sadrian "firmware file too short: %zu bytes\n", fp->datasize); 4769278366Sadrian error = EINVAL; 4770278366Sadrian goto fail; 4771173362Sbenjsc } 4772173362Sbenjsc 4773278366Sadrian fw->size = fp->datasize; 4774278366Sadrian fw->data = (const uint8_t *)fp->data; 4775278366Sadrian 4776278366Sadrian /* Extract firmware header information. */ 4777278366Sadrian hdr = (const struct wpi_firmware_hdr *)fw->data; 4778278366Sadrian 4779278366Sadrian /* | RUNTIME FIRMWARE | INIT FIRMWARE | BOOT FW | 4780278366Sadrian |HDR|<--TEXT-->|<--DATA-->|<--TEXT-->|<--DATA-->|<--TEXT-->| */ 4781278366Sadrian 4782278366Sadrian fw->main.textsz = le32toh(hdr->rtextsz); 4783278366Sadrian fw->main.datasz = le32toh(hdr->rdatasz); 4784278366Sadrian fw->init.textsz = le32toh(hdr->itextsz); 4785278366Sadrian fw->init.datasz = le32toh(hdr->idatasz); 4786278366Sadrian fw->boot.textsz = le32toh(hdr->btextsz); 4787278366Sadrian fw->boot.datasz = 0; 4788278366Sadrian 4789278366Sadrian /* Sanity-check firmware header. */ 4790278366Sadrian if (fw->main.textsz > WPI_FW_TEXT_MAXSZ || 4791278366Sadrian fw->main.datasz > WPI_FW_DATA_MAXSZ || 4792278366Sadrian fw->init.textsz > WPI_FW_TEXT_MAXSZ || 4793278366Sadrian fw->init.datasz > WPI_FW_DATA_MAXSZ || 4794278366Sadrian fw->boot.textsz > WPI_FW_BOOT_TEXT_MAXSZ || 4795278366Sadrian (fw->boot.textsz & 3) != 0) { 4796278366Sadrian device_printf(sc->sc_dev, "invalid firmware header\n"); 4797278366Sadrian error = EINVAL; 4798278366Sadrian goto fail; 4799173362Sbenjsc } 4800173362Sbenjsc 4801278366Sadrian /* Check that all firmware sections fit. */ 4802278366Sadrian if (fw->size < sizeof (*hdr) + fw->main.textsz + fw->main.datasz + 4803278366Sadrian fw->init.textsz + fw->init.datasz + fw->boot.textsz) { 4804173362Sbenjsc device_printf(sc->sc_dev, 4805278366Sadrian "firmware file too short: %zu bytes\n", fw->size); 4806278366Sadrian error = EINVAL; 4807278366Sadrian goto fail; 4808173362Sbenjsc } 4809173362Sbenjsc 4810278366Sadrian /* Get pointers to firmware sections. */ 4811278366Sadrian fw->main.text = (const uint8_t *)(hdr + 1); 4812278366Sadrian fw->main.data = fw->main.text + fw->main.textsz; 4813278366Sadrian fw->init.text = fw->main.data + fw->main.datasz; 4814278366Sadrian fw->init.data = fw->init.text + fw->init.textsz; 4815278366Sadrian fw->boot.text = fw->init.data + fw->init.datasz; 4816177043Sthompsa 4817278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4818278366Sadrian "Firmware Version: Major %d, Minor %d, Driver %d, \n" 4819280066Sadrian "runtime (text: %u, data: %u) init (text: %u, data %u) " 4820280066Sadrian "boot (text %u)\n", hdr->major, hdr->minor, le32toh(hdr->driver), 4821278366Sadrian fw->main.textsz, fw->main.datasz, 4822278366Sadrian fw->init.textsz, fw->init.datasz, fw->boot.textsz); 4823278366Sadrian 4824278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.text %p\n", fw->main.text); 4825278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.data %p\n", fw->main.data); 4826278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.text %p\n", fw->init.text); 4827278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.data %p\n", fw->init.data); 4828278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->boot.text %p\n", fw->boot.text); 4829278366Sadrian 4830278366Sadrian return 0; 4831278366Sadrian 4832278366Sadrianfail: wpi_unload_firmware(sc); 4833278366Sadrian return error; 4834173362Sbenjsc} 4835173362Sbenjsc 4836278366Sadrian/** 4837278366Sadrian * Free the referenced firmware image 4838278366Sadrian */ 4839173362Sbenjscstatic void 4840278366Sadrianwpi_unload_firmware(struct wpi_softc *sc) 4841173362Sbenjsc{ 4842278366Sadrian if (sc->fw_fp != NULL) { 4843278366Sadrian firmware_put(sc->fw_fp, FIRMWARE_UNLOAD); 4844278366Sadrian sc->fw_fp = NULL; 4845278366Sadrian } 4846278366Sadrian} 4847173362Sbenjsc 4848278366Sadrianstatic int 4849278366Sadrianwpi_clock_wait(struct wpi_softc *sc) 4850278366Sadrian{ 4851278366Sadrian int ntries; 4852173362Sbenjsc 4853278366Sadrian /* Set "initialization complete" bit. */ 4854278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4855278366Sadrian 4856278366Sadrian /* Wait for clock stabilization. */ 4857278366Sadrian for (ntries = 0; ntries < 2500; ntries++) { 4858278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_MAC_CLOCK_READY) 4859278366Sadrian return 0; 4860278366Sadrian DELAY(100); 4861278366Sadrian } 4862278366Sadrian device_printf(sc->sc_dev, 4863278366Sadrian "%s: timeout waiting for clock stabilization\n", __func__); 4864278366Sadrian 4865278366Sadrian return ETIMEDOUT; 4866173362Sbenjsc} 4867178354Ssam 4868278366Sadrianstatic int 4869278366Sadrianwpi_apm_init(struct wpi_softc *sc) 4870173362Sbenjsc{ 4871278366Sadrian uint32_t reg; 4872278366Sadrian int error; 4873173362Sbenjsc 4874278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4875173362Sbenjsc 4876278366Sadrian /* Disable L0s exit timer (NMI bug workaround). */ 4877278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_DIS_L0S_TIMER); 4878278366Sadrian /* Don't wait for ICH L0s (ICH bug workaround). */ 4879278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_L1A_NO_L0S_RX); 4880173362Sbenjsc 4881278366Sadrian /* Set FH wait threshold to max (HW bug under stress workaround). */ 4882278366Sadrian WPI_SETBITS(sc, WPI_DBG_HPET_MEM, 0xffff0000); 4883173362Sbenjsc 4884280098Sadrian /* Cleanup. */ 4885280098Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 0x00000400); 4886280098Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, 0x00000E00); 4887280098Sadrian 4888278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 4889278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 4890278366Sadrian /* Workaround for HW instability in PCIe L0->L0s->L1 transition. */ 4891278366Sadrian if (reg & 0x02) /* L1 Entry enabled. */ 4892278366Sadrian WPI_SETBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4893278366Sadrian else 4894278366Sadrian WPI_CLRBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4895173362Sbenjsc 4896278366Sadrian WPI_SETBITS(sc, WPI_ANA_PLL, WPI_ANA_PLL_INIT); 4897173362Sbenjsc 4898278366Sadrian /* Wait for clock stabilization before accessing prph. */ 4899278366Sadrian if ((error = wpi_clock_wait(sc)) != 0) 4900278366Sadrian return error; 4901173362Sbenjsc 4902278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4903278366Sadrian return error; 4904278366Sadrian /* Enable DMA and BSM (Bootstrap State Machine). */ 4905278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_EN, 4906278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT | WPI_APMG_CLK_CTRL_BSM_CLK_RQT); 4907278366Sadrian DELAY(20); 4908278366Sadrian /* Disable L1-Active. */ 4909278366Sadrian wpi_prph_setbits(sc, WPI_APMG_PCI_STT, WPI_APMG_PCI_STT_L1A_DIS); 4910278366Sadrian wpi_nic_unlock(sc); 4911173362Sbenjsc 4912278366Sadrian return 0; 4913278366Sadrian} 4914173362Sbenjsc 4915278366Sadrianstatic void 4916278366Sadrianwpi_apm_stop_master(struct wpi_softc *sc) 4917278366Sadrian{ 4918278366Sadrian int ntries; 4919278366Sadrian 4920278366Sadrian /* Stop busmaster DMA activity. */ 4921278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_STOP_MASTER); 4922278366Sadrian 4923278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_PS_MASK) == 4924278366Sadrian WPI_GP_CNTRL_MAC_PS) 4925278366Sadrian return; /* Already asleep. */ 4926278366Sadrian 4927278366Sadrian for (ntries = 0; ntries < 100; ntries++) { 4928278366Sadrian if (WPI_READ(sc, WPI_RESET) & WPI_RESET_MASTER_DISABLED) 4929278366Sadrian return; 4930278366Sadrian DELAY(10); 4931278366Sadrian } 4932280066Sadrian device_printf(sc->sc_dev, "%s: timeout waiting for master\n", 4933280066Sadrian __func__); 4934173362Sbenjsc} 4935173362Sbenjsc 4936173362Sbenjscstatic void 4937278366Sadrianwpi_apm_stop(struct wpi_softc *sc) 4938173362Sbenjsc{ 4939278366Sadrian wpi_apm_stop_master(sc); 4940278366Sadrian 4941278366Sadrian /* Reset the entire device. */ 4942278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_SW); 4943278366Sadrian DELAY(10); 4944278366Sadrian /* Clear "initialization complete" bit. */ 4945278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4946173362Sbenjsc} 4947173362Sbenjsc 4948173362Sbenjscstatic void 4949278366Sadrianwpi_nic_config(struct wpi_softc *sc) 4950173362Sbenjsc{ 4951278366Sadrian uint32_t rev; 4952173362Sbenjsc 4953278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4954177043Sthompsa 4955278366Sadrian /* voodoo from the Linux "driver".. */ 4956278366Sadrian rev = pci_read_config(sc->sc_dev, PCIR_REVID, 1); 4957278366Sadrian if ((rev & 0xc0) == 0x40) 4958278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MB); 4959278366Sadrian else if (!(rev & 0x80)) 4960278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MM); 4961173362Sbenjsc 4962278366Sadrian if (sc->cap == 0x80) 4963278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_SKU_MRC); 4964173362Sbenjsc 4965280076Sadrian if ((sc->rev & 0xf0) == 0xd0) 4966278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4967278366Sadrian else 4968278366Sadrian WPI_CLRBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4969278366Sadrian 4970278366Sadrian if (sc->type > 1) 4971278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_TYPE_B); 4972173362Sbenjsc} 4973173362Sbenjsc 4974278366Sadrianstatic int 4975278366Sadrianwpi_hw_init(struct wpi_softc *sc) 4976173362Sbenjsc{ 4977278366Sadrian int chnl, ntries, error; 4978178354Ssam 4979278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4980278366Sadrian 4981278366Sadrian /* Clear pending interrupts. */ 4982278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4983278366Sadrian 4984278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 4985278366Sadrian device_printf(sc->sc_dev, 4986278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 4987278366Sadrian error); 4988278366Sadrian return error; 4989173362Sbenjsc } 4990173362Sbenjsc 4991278366Sadrian /* Select VMAIN power source. */ 4992278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4993278366Sadrian return error; 4994278366Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, WPI_APMG_PS_PWR_SRC_MASK); 4995278366Sadrian wpi_nic_unlock(sc); 4996278366Sadrian /* Spin until VMAIN gets selected. */ 4997278366Sadrian for (ntries = 0; ntries < 5000; ntries++) { 4998278366Sadrian if (WPI_READ(sc, WPI_GPIO_IN) & WPI_GPIO_IN_VMAIN) 4999278366Sadrian break; 5000278366Sadrian DELAY(10); 5001278366Sadrian } 5002278366Sadrian if (ntries == 5000) { 5003278366Sadrian device_printf(sc->sc_dev, "timeout selecting power source\n"); 5004278366Sadrian return ETIMEDOUT; 5005278366Sadrian } 5006173362Sbenjsc 5007278366Sadrian /* Perform adapter initialization. */ 5008278366Sadrian wpi_nic_config(sc); 5009173362Sbenjsc 5010278366Sadrian /* Initialize RX ring. */ 5011278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5012278366Sadrian return error; 5013278366Sadrian /* Set physical address of RX ring. */ 5014278366Sadrian WPI_WRITE(sc, WPI_FH_RX_BASE, sc->rxq.desc_dma.paddr); 5015278366Sadrian /* Set physical address of RX read pointer. */ 5016278366Sadrian WPI_WRITE(sc, WPI_FH_RX_RPTR_ADDR, sc->shared_dma.paddr + 5017278366Sadrian offsetof(struct wpi_shared, next)); 5018278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, 0); 5019278366Sadrian /* Enable RX. */ 5020278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 5021278366Sadrian WPI_FH_RX_CONFIG_DMA_ENA | 5022278366Sadrian WPI_FH_RX_CONFIG_RDRBD_ENA | 5023278366Sadrian WPI_FH_RX_CONFIG_WRSTATUS_ENA | 5024278366Sadrian WPI_FH_RX_CONFIG_MAXFRAG | 5025278366Sadrian WPI_FH_RX_CONFIG_NRBD(WPI_RX_RING_COUNT_LOG) | 5026278366Sadrian WPI_FH_RX_CONFIG_IRQ_DST_HOST | 5027278366Sadrian WPI_FH_RX_CONFIG_IRQ_TIMEOUT(1)); 5028278366Sadrian (void)WPI_READ(sc, WPI_FH_RSSR_TBL); /* barrier */ 5029278366Sadrian wpi_nic_unlock(sc); 5030278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, (WPI_RX_RING_COUNT - 1) & ~7); 5031173362Sbenjsc 5032278366Sadrian /* Initialize TX rings. */ 5033278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5034278366Sadrian return error; 5035278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 2); /* bypass mode */ 5036278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_ARASTAT, 1); /* enable RA0 */ 5037278366Sadrian /* Enable all 6 TX rings. */ 5038278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0x3f); 5039278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE1, 0x10000); 5040278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE2, 0x30002); 5041278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF4MF, 4); 5042278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF5MF, 5); 5043278366Sadrian /* Set physical address of TX rings. */ 5044278366Sadrian WPI_WRITE(sc, WPI_FH_TX_BASE, sc->shared_dma.paddr); 5045278366Sadrian WPI_WRITE(sc, WPI_FH_MSG_CONFIG, 0xffff05a5); 5046278366Sadrian 5047278366Sadrian /* Enable all DMA channels. */ 5048278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 5049278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_CTRL(chnl), 0); 5050278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_BASE(chnl), 0); 5051278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0x80200008); 5052173362Sbenjsc } 5053278366Sadrian wpi_nic_unlock(sc); 5054278366Sadrian (void)WPI_READ(sc, WPI_FH_TX_BASE); /* barrier */ 5055278366Sadrian 5056278366Sadrian /* Clear "radio off" and "commands blocked" bits. */ 5057278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5058278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_CMD_BLOCKED); 5059278366Sadrian 5060278366Sadrian /* Clear pending interrupts. */ 5061278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5062278366Sadrian /* Enable interrupts. */ 5063278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 5064278366Sadrian 5065278366Sadrian /* _Really_ make sure "radio off" bit is cleared! */ 5066278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5067278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5068278366Sadrian 5069278366Sadrian if ((error = wpi_load_firmware(sc)) != 0) { 5070278366Sadrian device_printf(sc->sc_dev, 5071278366Sadrian "%s: could not load firmware, error %d\n", __func__, 5072278366Sadrian error); 5073278366Sadrian return error; 5074278366Sadrian } 5075278366Sadrian /* Wait at most one second for firmware alive notification. */ 5076280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 5077278366Sadrian device_printf(sc->sc_dev, 5078278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 5079278366Sadrian __func__, error); 5080278366Sadrian return error; 5081278366Sadrian } 5082278366Sadrian 5083278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 5084278366Sadrian 5085278366Sadrian /* Do post-firmware initialization. */ 5086278366Sadrian return wpi_post_alive(sc); 5087173362Sbenjsc} 5088173362Sbenjsc 5089173362Sbenjscstatic void 5090278366Sadrianwpi_hw_stop(struct wpi_softc *sc) 5091173362Sbenjsc{ 5092278366Sadrian int chnl, qid, ntries; 5093173362Sbenjsc 5094278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5095173362Sbenjsc 5096278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) 5097278366Sadrian wpi_nic_lock(sc); 5098173362Sbenjsc 5099278366Sadrian WPI_WRITE(sc, WPI_RESET, WPI_RESET_NEVO); 5100173362Sbenjsc 5101278366Sadrian /* Disable interrupts. */ 5102278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 5103278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5104278366Sadrian WPI_WRITE(sc, WPI_FH_INT, 0xffffffff); 5105173362Sbenjsc 5106278366Sadrian /* Make sure we no longer hold the NIC lock. */ 5107278366Sadrian wpi_nic_unlock(sc); 5108173362Sbenjsc 5109278366Sadrian if (wpi_nic_lock(sc) == 0) { 5110278366Sadrian /* Stop TX scheduler. */ 5111278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 0); 5112278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0); 5113179957Sthompsa 5114278366Sadrian /* Stop all DMA channels. */ 5115278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 5116278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0); 5117278366Sadrian for (ntries = 0; ntries < 200; ntries++) { 5118278366Sadrian if (WPI_READ(sc, WPI_FH_TX_STATUS) & 5119278366Sadrian WPI_FH_TX_STATUS_IDLE(chnl)) 5120278366Sadrian break; 5121278366Sadrian DELAY(10); 5122278366Sadrian } 5123173362Sbenjsc } 5124278366Sadrian wpi_nic_unlock(sc); 5125278366Sadrian } 5126173362Sbenjsc 5127278366Sadrian /* Stop RX ring. */ 5128278366Sadrian wpi_reset_rx_ring(sc); 5129173362Sbenjsc 5130278366Sadrian /* Reset all TX rings. */ 5131278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 5132278366Sadrian wpi_reset_tx_ring(sc, &sc->txq[qid]); 5133173362Sbenjsc 5134278366Sadrian if (wpi_nic_lock(sc) == 0) { 5135278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 5136278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT); 5137278366Sadrian wpi_nic_unlock(sc); 5138173362Sbenjsc } 5139278366Sadrian DELAY(5); 5140278366Sadrian /* Power OFF adapter. */ 5141278366Sadrian wpi_apm_stop(sc); 5142173362Sbenjsc} 5143173362Sbenjsc 5144173362Sbenjscstatic void 5145278366Sadrianwpi_radio_on(void *arg0, int pending) 5146173362Sbenjsc{ 5147278366Sadrian struct wpi_softc *sc = arg0; 5148278366Sadrian struct ifnet *ifp = sc->sc_ifp; 5149278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 5150278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5151173362Sbenjsc 5152278366Sadrian device_printf(sc->sc_dev, "RF switch: radio enabled\n"); 5153173362Sbenjsc 5154278366Sadrian if (vap != NULL) { 5155278366Sadrian wpi_init(sc); 5156278366Sadrian ieee80211_init(vap); 5157278366Sadrian } 5158173362Sbenjsc 5159278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL) { 5160278366Sadrian WPI_LOCK(sc); 5161278366Sadrian callout_stop(&sc->watchdog_rfkill); 5162278366Sadrian WPI_UNLOCK(sc); 5163173362Sbenjsc } 5164173362Sbenjsc} 5165173362Sbenjsc 5166278366Sadrianstatic void 5167278366Sadrianwpi_radio_off(void *arg0, int pending) 5168173362Sbenjsc{ 5169278366Sadrian struct wpi_softc *sc = arg0; 5170178354Ssam struct ifnet *ifp = sc->sc_ifp; 5171178354Ssam struct ieee80211com *ic = ifp->if_l2com; 5172278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5173173362Sbenjsc 5174278366Sadrian device_printf(sc->sc_dev, "RF switch: radio disabled\n"); 5175173362Sbenjsc 5176278366Sadrian wpi_stop(sc); 5177278366Sadrian if (vap != NULL) 5178278366Sadrian ieee80211_stop(vap); 5179173362Sbenjsc 5180280053Sadrian WPI_LOCK(sc); 5181278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, sc); 5182280053Sadrian WPI_UNLOCK(sc); 5183278366Sadrian} 5184173362Sbenjsc 5185278366Sadrianstatic void 5186280096Sadrianwpi_init(void *arg) 5187278366Sadrian{ 5188280096Sadrian struct wpi_softc *sc = arg; 5189278366Sadrian struct ifnet *ifp = sc->sc_ifp; 5190280096Sadrian struct ieee80211com *ic = ifp->if_l2com; 5191278366Sadrian int error; 5192173362Sbenjsc 5193280096Sadrian WPI_LOCK(sc); 5194280096Sadrian 5195278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 5196173362Sbenjsc 5197280096Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) 5198280096Sadrian goto end; 5199278366Sadrian 5200278366Sadrian /* Check that the radio is not disabled by hardware switch. */ 5201278366Sadrian if (!(WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL)) { 5202278366Sadrian device_printf(sc->sc_dev, 5203278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 5204278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 5205278366Sadrian sc); 5206280096Sadrian goto end; 5207173362Sbenjsc } 5208173362Sbenjsc 5209278366Sadrian /* Read firmware images from the filesystem. */ 5210278366Sadrian if ((error = wpi_read_firmware(sc)) != 0) { 5211278366Sadrian device_printf(sc->sc_dev, 5212278366Sadrian "%s: could not read firmware, error %d\n", __func__, 5213278366Sadrian error); 5214278366Sadrian goto fail; 5215278366Sadrian } 5216173362Sbenjsc 5217278366Sadrian /* Initialize hardware and upload firmware. */ 5218278366Sadrian error = wpi_hw_init(sc); 5219278366Sadrian wpi_unload_firmware(sc); 5220278366Sadrian if (error != 0) { 5221278366Sadrian device_printf(sc->sc_dev, 5222278366Sadrian "%s: could not initialize hardware, error %d\n", __func__, 5223278366Sadrian error); 5224278366Sadrian goto fail; 5225278366Sadrian } 5226173362Sbenjsc 5227278366Sadrian /* Configure adapter now that it is ready. */ 5228280071Sadrian sc->txq_active = 1; 5229278366Sadrian if ((error = wpi_config(sc)) != 0) { 5230278366Sadrian device_printf(sc->sc_dev, 5231278366Sadrian "%s: could not configure device, error %d\n", __func__, 5232278366Sadrian error); 5233278366Sadrian goto fail; 5234278366Sadrian } 5235173362Sbenjsc 5236280097Sadrian IF_LOCK(&ifp->if_snd); 5237278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 5238278366Sadrian ifp->if_drv_flags |= IFF_DRV_RUNNING; 5239280097Sadrian IF_UNLOCK(&ifp->if_snd); 5240173362Sbenjsc 5241278366Sadrian callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 5242173362Sbenjsc 5243278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 5244173362Sbenjsc 5245280096Sadrian WPI_UNLOCK(sc); 5246280096Sadrian 5247280096Sadrian ieee80211_start_all(ic); 5248280096Sadrian 5249278366Sadrian return; 5250173362Sbenjsc 5251278366Sadrianfail: wpi_stop_locked(sc); 5252280096Sadrianend: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 5253278366Sadrian WPI_UNLOCK(sc); 5254278366Sadrian} 5255173362Sbenjsc 5256278366Sadrianstatic void 5257278366Sadrianwpi_stop_locked(struct wpi_softc *sc) 5258278366Sadrian{ 5259278366Sadrian struct ifnet *ifp = sc->sc_ifp; 5260173362Sbenjsc 5261278366Sadrian WPI_LOCK_ASSERT(sc); 5262278366Sadrian 5263280071Sadrian WPI_TXQ_LOCK(sc); 5264280071Sadrian sc->txq_active = 0; 5265280071Sadrian WPI_TXQ_UNLOCK(sc); 5266280071Sadrian 5267278366Sadrian sc->sc_scan_timer = 0; 5268278366Sadrian sc->sc_tx_timer = 0; 5269278366Sadrian callout_stop(&sc->watchdog_to); 5270278366Sadrian callout_stop(&sc->calib_to); 5271280097Sadrian 5272280097Sadrian IF_LOCK(&ifp->if_snd); 5273278366Sadrian ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 5274280097Sadrian IF_UNLOCK(&ifp->if_snd); 5275278366Sadrian 5276278366Sadrian /* Power OFF hardware. */ 5277278366Sadrian wpi_hw_stop(sc); 5278173362Sbenjsc} 5279173362Sbenjsc 5280278366Sadrianstatic void 5281278366Sadrianwpi_stop(struct wpi_softc *sc) 5282278366Sadrian{ 5283278366Sadrian WPI_LOCK(sc); 5284278366Sadrian wpi_stop_locked(sc); 5285278366Sadrian WPI_UNLOCK(sc); 5286278366Sadrian} 5287278366Sadrian 5288278366Sadrian/* 5289278366Sadrian * Callback from net80211 to start a scan. 5290173362Sbenjsc */ 5291173362Sbenjscstatic void 5292173362Sbenjscwpi_scan_start(struct ieee80211com *ic) 5293173362Sbenjsc{ 5294280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 5295173362Sbenjsc 5296191746Sthompsa wpi_set_led(sc, WPI_LED_LINK, 20, 2); 5297173362Sbenjsc} 5298173362Sbenjsc 5299278366Sadrian/* 5300278366Sadrian * Callback from net80211 to terminate a scan. 5301173362Sbenjsc */ 5302173362Sbenjscstatic void 5303173362Sbenjscwpi_scan_end(struct ieee80211com *ic) 5304173362Sbenjsc{ 5305278366Sadrian struct ifnet *ifp = ic->ic_ifp; 5306278366Sadrian struct wpi_softc *sc = ifp->if_softc; 5307278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5308278366Sadrian 5309280073Sadrian if (vap->iv_state == IEEE80211_S_RUN) 5310278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 5311173362Sbenjsc} 5312173362Sbenjsc 5313173362Sbenjsc/** 5314173362Sbenjsc * Called by the net80211 framework to indicate to the driver 5315173362Sbenjsc * that the channel should be changed 5316173362Sbenjsc */ 5317173362Sbenjscstatic void 5318173362Sbenjscwpi_set_channel(struct ieee80211com *ic) 5319173362Sbenjsc{ 5320278366Sadrian const struct ieee80211_channel *c = ic->ic_curchan; 5321173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 5322173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 5323191746Sthompsa int error; 5324173362Sbenjsc 5325278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5326278366Sadrian 5327278366Sadrian WPI_LOCK(sc); 5328278366Sadrian sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq); 5329278366Sadrian sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags); 5330278366Sadrian sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq); 5331278366Sadrian sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags); 5332278366Sadrian 5333177043Sthompsa /* 5334177043Sthompsa * Only need to set the channel in Monitor mode. AP scanning and auth 5335177043Sthompsa * are already taken care of by their respective firmware commands. 5336177043Sthompsa */ 5337191746Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 5338278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 5339278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) { 5340278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | 5341278366Sadrian WPI_RXON_24GHZ); 5342278366Sadrian } else { 5343278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_AUTO | 5344278366Sadrian WPI_RXON_24GHZ); 5345278366Sadrian } 5346278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) 5347191746Sthompsa device_printf(sc->sc_dev, 5348278366Sadrian "%s: error %d settting channel\n", __func__, 5349278366Sadrian error); 5350191746Sthompsa } 5351278366Sadrian WPI_UNLOCK(sc); 5352173362Sbenjsc} 5353173362Sbenjsc 5354173362Sbenjsc/** 5355173362Sbenjsc * Called by net80211 to indicate that we need to scan the current 5356173362Sbenjsc * channel. The channel is previously be set via the wpi_set_channel 5357173362Sbenjsc * callback. 5358173362Sbenjsc */ 5359173362Sbenjscstatic void 5360178354Ssamwpi_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 5361173362Sbenjsc{ 5362178354Ssam struct ieee80211vap *vap = ss->ss_vap; 5363278366Sadrian struct ieee80211com *ic = vap->iv_ic; 5364280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 5365278366Sadrian int error; 5366173362Sbenjsc 5367278366Sadrian if (sc->rxon.chan != ieee80211_chan2ieee(ic, ic->ic_curchan)) { 5368278366Sadrian WPI_LOCK(sc); 5369278366Sadrian error = wpi_scan(sc, ic->ic_curchan); 5370278366Sadrian WPI_UNLOCK(sc); 5371278366Sadrian if (error != 0) 5372278366Sadrian ieee80211_cancel_scan(vap); 5373278366Sadrian } else { 5374278366Sadrian /* Send probe request when associated. */ 5375278366Sadrian sc->sc_scan_curchan(ss, maxdwell); 5376278366Sadrian } 5377173362Sbenjsc} 5378173362Sbenjsc 5379173362Sbenjsc/** 5380173362Sbenjsc * Called by the net80211 framework to indicate 5381173362Sbenjsc * the minimum dwell time has been met, terminate the scan. 5382173362Sbenjsc * We don't actually terminate the scan as the firmware will notify 5383173362Sbenjsc * us when it's finished and we have no way to interrupt it. 5384173362Sbenjsc */ 5385173362Sbenjscstatic void 5386178354Ssamwpi_scan_mindwell(struct ieee80211_scan_state *ss) 5387173362Sbenjsc{ 5388173362Sbenjsc /* NB: don't try to abort scan; wait for firmware to finish */ 5389173362Sbenjsc} 5390173362Sbenjsc 5391173362Sbenjscstatic void 5392278366Sadrianwpi_hw_reset(void *arg, int pending) 5393173362Sbenjsc{ 5394191746Sthompsa struct wpi_softc *sc = arg; 5395177043Sthompsa struct ifnet *ifp = sc->sc_ifp; 5396191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 5397278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5398173362Sbenjsc 5399278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5400173362Sbenjsc 5401278366Sadrian wpi_stop(sc); 5402278366Sadrian if (vap != NULL) 5403278366Sadrian ieee80211_stop(vap); 5404278366Sadrian wpi_init(sc); 5405278366Sadrian if (vap != NULL) 5406278366Sadrian ieee80211_init(vap); 5407173362Sbenjsc} 5408