if_wpi.c revision 280100
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 280100 2015-03-15 21:11:00Z 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")); 1934280100Sadrian KASSERT(data->m != NULL, ("no mbuf")); 1935173362Sbenjsc 1936278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1937278366Sadrian 1938278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: " 1939278366Sadrian "qid %d idx %d retries %d btkillcnt %d rate %x duration %d " 1940278764Sadrian "status %x\n", __func__, desc->qid, desc->idx, ackfailcnt, 1941278366Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), status); 1942278366Sadrian 1943278366Sadrian /* Unmap and free mbuf. */ 1944278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTWRITE); 1945278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1946278366Sadrian m = data->m, data->m = NULL; 1947278366Sadrian ni = data->ni, data->ni = NULL; 1948278366Sadrian vap = ni->ni_vap; 1949280078Sadrian ic = vap->iv_ic; 1950278366Sadrian 1951173362Sbenjsc /* 1952173362Sbenjsc * Update rate control statistics for the node. 1953173362Sbenjsc */ 1954278366Sadrian WPI_UNLOCK(sc); 1955278366Sadrian if ((status & 0xff) != 1) { 1956271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1957278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1958278764Sadrian IEEE80211_RATECTL_TX_FAILURE, &ackfailcnt, NULL); 1959278366Sadrian } else { 1960271849Sglebius if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1961278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1962278764Sadrian IEEE80211_RATECTL_TX_SUCCESS, &ackfailcnt, NULL); 1963278366Sadrian } 1964173362Sbenjsc 1965278366Sadrian ieee80211_tx_complete(ni, m, (status & 0xff) != 1); 1966278366Sadrian WPI_LOCK(sc); 1967173362Sbenjsc 1968278366Sadrian sc->sc_tx_timer = 0; 1969278366Sadrian if (--ring->queued < WPI_TX_RING_LOMARK) { 1970278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1971280097Sadrian IF_LOCK(&ifp->if_snd); 1972278366Sadrian if (sc->qfullmsk == 0 && 1973278366Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) { 1974278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1975280097Sadrian IF_UNLOCK(&ifp->if_snd); 1976280078Sadrian ieee80211_runtask(ic, &sc->sc_start_task); 1977280097Sadrian } else 1978280097Sadrian IF_UNLOCK(&ifp->if_snd); 1979278366Sadrian } 1980173362Sbenjsc 1981278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1982173362Sbenjsc} 1983173362Sbenjsc 1984278366Sadrian/* 1985278366Sadrian * Process a "command done" firmware notification. This is where we wakeup 1986278366Sadrian * processes waiting for a synchronous command completion. 1987278366Sadrian */ 1988173362Sbenjscstatic void 1989278366Sadrianwpi_cmd_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1990173362Sbenjsc{ 1991280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 1992173362Sbenjsc struct wpi_tx_data *data; 1993173362Sbenjsc 1994278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "cmd notification qid=%x idx=%d flags=%x " 1995278366Sadrian "type=%s len=%d\n", desc->qid, desc->idx, 1996278366Sadrian desc->flags, wpi_cmd_str(desc->type), 1997278366Sadrian le32toh(desc->len)); 1998173362Sbenjsc 1999280064Sadrian if ((desc->qid & WPI_RX_DESC_QID_MSK) != WPI_CMD_QUEUE_NUM) 2000278366Sadrian return; /* Not a command ack. */ 2001173362Sbenjsc 2002280075Sadrian KASSERT(ring->queued == 0, ("ring->queued must be 0")); 2003280075Sadrian 2004173362Sbenjsc data = &ring->data[desc->idx]; 2005173362Sbenjsc 2006278366Sadrian /* If the command was mapped in an mbuf, free it. */ 2007173362Sbenjsc if (data->m != NULL) { 2008278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 2009278366Sadrian BUS_DMASYNC_POSTWRITE); 2010173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 2011173362Sbenjsc m_freem(data->m); 2012173362Sbenjsc data->m = NULL; 2013173362Sbenjsc } 2014173362Sbenjsc 2015173362Sbenjsc wakeup(&ring->cmd[desc->idx]); 2016173362Sbenjsc} 2017173362Sbenjsc 2018173362Sbenjscstatic void 2019173362Sbenjscwpi_notif_intr(struct wpi_softc *sc) 2020173362Sbenjsc{ 2021178354Ssam struct ifnet *ifp = sc->sc_ifp; 2022178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2023278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2024278366Sadrian int hw; 2025173362Sbenjsc 2026216523Sbschmidt bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 2027216523Sbschmidt BUS_DMASYNC_POSTREAD); 2028216523Sbschmidt 2029173362Sbenjsc hw = le32toh(sc->shared->next); 2030278366Sadrian hw = (hw == 0) ? WPI_RX_RING_COUNT - 1 : hw - 1; 2031216523Sbschmidt 2032278764Sadrian while (sc->rxq.cur != hw) { 2033278366Sadrian sc->rxq.cur = (sc->rxq.cur + 1) % WPI_RX_RING_COUNT; 2034278366Sadrian 2035278366Sadrian struct wpi_rx_data *data = &sc->rxq.data[sc->rxq.cur]; 2036278366Sadrian struct wpi_rx_desc *desc; 2037278366Sadrian 2038216523Sbschmidt bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2039216523Sbschmidt BUS_DMASYNC_POSTREAD); 2040278366Sadrian desc = mtod(data->m, struct wpi_rx_desc *); 2041173362Sbenjsc 2042278366Sadrian DPRINTF(sc, WPI_DEBUG_NOTIFY, 2043278366Sadrian "%s: cur=%d; qid %x idx %d flags %x type %d(%s) len %d\n", 2044278366Sadrian __func__, sc->rxq.cur, desc->qid, desc->idx, desc->flags, 2045278366Sadrian desc->type, wpi_cmd_str(desc->type), le32toh(desc->len)); 2046173362Sbenjsc 2047280064Sadrian if (!(desc->qid & WPI_UNSOLICITED_RX_NOTIF)) { 2048280064Sadrian /* Reply to a command. */ 2049278366Sadrian wpi_cmd_done(sc, desc); 2050280064Sadrian } 2051173362Sbenjsc 2052173362Sbenjsc switch (desc->type) { 2053173362Sbenjsc case WPI_RX_DONE: 2054278366Sadrian /* An 802.11 frame has been received. */ 2055278366Sadrian wpi_rx_done(sc, desc, data); 2056280055Sadrian 2057280055Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2058280055Sadrian /* wpi_stop() was called. */ 2059280055Sadrian return; 2060280055Sadrian } 2061280055Sadrian 2062173362Sbenjsc break; 2063173362Sbenjsc 2064173362Sbenjsc case WPI_TX_DONE: 2065278366Sadrian /* An 802.11 frame has been transmitted. */ 2066278366Sadrian wpi_tx_done(sc, desc); 2067173362Sbenjsc break; 2068173362Sbenjsc 2069278366Sadrian case WPI_RX_STATISTICS: 2070278366Sadrian case WPI_BEACON_STATISTICS: 2071278366Sadrian wpi_rx_statistics(sc, desc, data); 2072278366Sadrian break; 2073278366Sadrian 2074278366Sadrian case WPI_BEACON_MISSED: 2075278366Sadrian { 2076278366Sadrian struct wpi_beacon_missed *miss = 2077278366Sadrian (struct wpi_beacon_missed *)(desc + 1); 2078278366Sadrian int misses; 2079278366Sadrian 2080278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2081278366Sadrian BUS_DMASYNC_POSTREAD); 2082278366Sadrian misses = le32toh(miss->consecutive); 2083278366Sadrian 2084278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, 2085278366Sadrian "%s: beacons missed %d/%d\n", __func__, misses, 2086278366Sadrian le32toh(miss->total)); 2087278366Sadrian 2088278366Sadrian if (vap->iv_state == IEEE80211_S_RUN && 2089280051Sadrian (ic->ic_flags & IEEE80211_F_SCAN) == 0) { 2090278366Sadrian if (misses >= vap->iv_bmissthreshold) { 2091278366Sadrian WPI_UNLOCK(sc); 2092278366Sadrian ieee80211_beacon_miss(ic); 2093278366Sadrian WPI_LOCK(sc); 2094278366Sadrian } 2095278366Sadrian } 2096278366Sadrian break; 2097278366Sadrian } 2098173362Sbenjsc case WPI_UC_READY: 2099173362Sbenjsc { 2100173362Sbenjsc struct wpi_ucode_info *uc = 2101278366Sadrian (struct wpi_ucode_info *)(desc + 1); 2102173362Sbenjsc 2103278366Sadrian /* The microcontroller is ready. */ 2104278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2105278366Sadrian BUS_DMASYNC_POSTREAD); 2106278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, 2107278366Sadrian "microcode alive notification version=%d.%d " 2108278366Sadrian "subtype=%x alive=%x\n", uc->major, uc->minor, 2109278366Sadrian uc->subtype, le32toh(uc->valid)); 2110173362Sbenjsc 2111173362Sbenjsc if (le32toh(uc->valid) != 1) { 2112173362Sbenjsc device_printf(sc->sc_dev, 2113173362Sbenjsc "microcontroller initialization failed\n"); 2114173362Sbenjsc wpi_stop_locked(sc); 2115173362Sbenjsc } 2116278366Sadrian /* Save the address of the error log in SRAM. */ 2117278366Sadrian sc->errptr = le32toh(uc->errptr); 2118173362Sbenjsc break; 2119173362Sbenjsc } 2120173362Sbenjsc case WPI_STATE_CHANGED: 2121173362Sbenjsc { 2122280059Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2123280059Sadrian BUS_DMASYNC_POSTREAD); 2124278366Sadrian 2125173362Sbenjsc uint32_t *status = (uint32_t *)(desc + 1); 2126278764Sadrian 2127278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "state changed to %x\n", 2128278366Sadrian le32toh(*status)); 2129278764Sadrian 2130173362Sbenjsc if (le32toh(*status) & 1) { 2131280077Sadrian WPI_NT_LOCK(sc); 2132280069Sadrian wpi_clear_node_table(sc); 2133280077Sadrian WPI_NT_UNLOCK(sc); 2134278366Sadrian ieee80211_runtask(ic, &sc->sc_radiooff_task); 2135278366Sadrian return; 2136173362Sbenjsc } 2137173362Sbenjsc break; 2138173362Sbenjsc } 2139173362Sbenjsc case WPI_START_SCAN: 2140173362Sbenjsc { 2141278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2142278366Sadrian BUS_DMASYNC_POSTREAD); 2143179957Sthompsa#ifdef WPI_DEBUG 2144173362Sbenjsc struct wpi_start_scan *scan = 2145278366Sadrian (struct wpi_start_scan *)(desc + 1); 2146278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2147278366Sadrian "%s: scanning channel %d status %x\n", 2148278366Sadrian __func__, scan->chan, le32toh(scan->status)); 2149179957Sthompsa#endif 2150173362Sbenjsc break; 2151173362Sbenjsc } 2152173362Sbenjsc case WPI_STOP_SCAN: 2153173362Sbenjsc { 2154278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2155278366Sadrian BUS_DMASYNC_POSTREAD); 2156179957Sthompsa#ifdef WPI_DEBUG 2157173362Sbenjsc struct wpi_stop_scan *scan = 2158278366Sadrian (struct wpi_stop_scan *)(desc + 1); 2159278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2160278366Sadrian "scan finished nchan=%d status=%d chan=%d\n", 2161278366Sadrian scan->nchan, scan->status, scan->chan); 2162179957Sthompsa#endif 2163177043Sthompsa sc->sc_scan_timer = 0; 2164278366Sadrian WPI_UNLOCK(sc); 2165178354Ssam ieee80211_scan_next(vap); 2166278366Sadrian WPI_LOCK(sc); 2167173362Sbenjsc break; 2168173362Sbenjsc } 2169278366Sadrian } 2170278764Sadrian } 2171173976Sbenjsc 2172278366Sadrian /* Tell the firmware what we have processed. */ 2173278366Sadrian wpi_update_rx_ring(sc); 2174278366Sadrian} 2175278366Sadrian 2176278366Sadrian/* 2177278366Sadrian * Process an INT_WAKEUP interrupt raised when the microcontroller wakes up 2178278366Sadrian * from power-down sleep mode. 2179278366Sadrian */ 2180280059Sadrianstatic void 2181278366Sadrianwpi_wakeup_intr(struct wpi_softc *sc) 2182278366Sadrian{ 2183278366Sadrian int qid; 2184278366Sadrian 2185278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 2186278366Sadrian "%s: ucode wakeup from power-down sleep\n", __func__); 2187278366Sadrian 2188278366Sadrian /* Wakeup RX and TX rings. */ 2189278366Sadrian if (sc->rxq.update) { 2190278764Sadrian sc->rxq.update = 0; 2191278366Sadrian wpi_update_rx_ring(sc); 2192278366Sadrian } 2193280071Sadrian WPI_TXQ_LOCK(sc); 2194280058Sadrian for (qid = 0; qid < WPI_DRV_NTXQUEUES; qid++) { 2195278366Sadrian struct wpi_tx_ring *ring = &sc->txq[qid]; 2196278366Sadrian 2197278366Sadrian if (ring->update) { 2198278764Sadrian ring->update = 0; 2199278366Sadrian wpi_update_tx_ring(sc, ring); 2200173362Sbenjsc } 2201278366Sadrian } 2202280071Sadrian WPI_TXQ_UNLOCK(sc); 2203173362Sbenjsc 2204278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 2205278366Sadrian} 2206278366Sadrian 2207278366Sadrian/* 2208280093Sadrian * This function prints firmware registers 2209280093Sadrian */ 2210280093Sadrian#ifdef WPI_DEBUG 2211280093Sadrianstatic void 2212280093Sadrianwpi_debug_registers(struct wpi_softc *sc) 2213280093Sadrian{ 2214280093Sadrian#define COUNTOF(array) (sizeof(array) / sizeof(array[0])) 2215280093Sadrian int i; 2216280093Sadrian static const uint32_t csr_tbl[] = { 2217280093Sadrian WPI_HW_IF_CONFIG, 2218280093Sadrian WPI_INT, 2219280093Sadrian WPI_INT_MASK, 2220280093Sadrian WPI_FH_INT, 2221280093Sadrian WPI_GPIO_IN, 2222280093Sadrian WPI_RESET, 2223280093Sadrian WPI_GP_CNTRL, 2224280093Sadrian WPI_EEPROM, 2225280093Sadrian WPI_EEPROM_GP, 2226280093Sadrian WPI_GIO, 2227280093Sadrian WPI_UCODE_GP1, 2228280093Sadrian WPI_UCODE_GP2, 2229280093Sadrian WPI_GIO_CHICKEN, 2230280093Sadrian WPI_ANA_PLL, 2231280093Sadrian WPI_DBG_HPET_MEM, 2232280093Sadrian }; 2233280093Sadrian static const uint32_t prph_tbl[] = { 2234280093Sadrian WPI_APMG_CLK_CTRL, 2235280093Sadrian WPI_APMG_PS, 2236280093Sadrian WPI_APMG_PCI_STT, 2237280093Sadrian WPI_APMG_RFKILL, 2238280093Sadrian }; 2239280093Sadrian 2240280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER,"%s","\n"); 2241280093Sadrian 2242280093Sadrian for (i = 0; i < COUNTOF(csr_tbl); i++) { 2243280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, " %-18s: 0x%08x ", 2244280093Sadrian wpi_get_csr_string(csr_tbl[i]), WPI_READ(sc, csr_tbl[i])); 2245280093Sadrian 2246280093Sadrian if ((i + 1) % 2 == 0) 2247280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2248280093Sadrian } 2249280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n\n"); 2250280093Sadrian 2251280093Sadrian if (wpi_nic_lock(sc) == 0) { 2252280093Sadrian for (i = 0; i < COUNTOF(prph_tbl); i++) { 2253280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, " %-18s: 0x%08x ", 2254280093Sadrian wpi_get_prph_string(prph_tbl[i]), 2255280093Sadrian wpi_prph_read(sc, prph_tbl[i])); 2256280093Sadrian 2257280093Sadrian if ((i + 1) % 2 == 0) 2258280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2259280093Sadrian } 2260280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2261280093Sadrian wpi_nic_unlock(sc); 2262280093Sadrian } else { 2263280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, 2264280093Sadrian "Cannot access internal registers.\n"); 2265280093Sadrian } 2266280093Sadrian#undef COUNTOF 2267280093Sadrian} 2268280093Sadrian#endif 2269280093Sadrian 2270280093Sadrian/* 2271278366Sadrian * Dump the error log of the firmware when a firmware panic occurs. Although 2272278366Sadrian * we can't debug the firmware because it is neither open source nor free, it 2273278366Sadrian * can help us to identify certain classes of problems. 2274278366Sadrian */ 2275278366Sadrianstatic void 2276278366Sadrianwpi_fatal_intr(struct wpi_softc *sc) 2277278366Sadrian{ 2278278366Sadrian struct wpi_fw_dump dump; 2279278366Sadrian uint32_t i, offset, count; 2280278366Sadrian const uint32_t size_errmsg = 2281278366Sadrian (sizeof (wpi_fw_errmsg) / sizeof ((wpi_fw_errmsg)[0])); 2282278366Sadrian 2283278366Sadrian /* Check that the error log address is valid. */ 2284278366Sadrian if (sc->errptr < WPI_FW_DATA_BASE || 2285278366Sadrian sc->errptr + sizeof (dump) > 2286278366Sadrian WPI_FW_DATA_BASE + WPI_FW_DATA_MAXSZ) { 2287278366Sadrian printf("%s: bad firmware error log address 0x%08x\n", __func__, 2288278366Sadrian sc->errptr); 2289280059Sadrian return; 2290280059Sadrian } 2291278366Sadrian if (wpi_nic_lock(sc) != 0) { 2292278366Sadrian printf("%s: could not read firmware error log\n", __func__); 2293280059Sadrian return; 2294280059Sadrian } 2295278366Sadrian /* Read number of entries in the log. */ 2296278366Sadrian count = wpi_mem_read(sc, sc->errptr); 2297278366Sadrian if (count == 0 || count * sizeof (dump) > WPI_FW_DATA_MAXSZ) { 2298278366Sadrian printf("%s: invalid count field (count = %u)\n", __func__, 2299278366Sadrian count); 2300278366Sadrian wpi_nic_unlock(sc); 2301278366Sadrian return; 2302173362Sbenjsc } 2303278366Sadrian /* Skip "count" field. */ 2304278366Sadrian offset = sc->errptr + sizeof (uint32_t); 2305278366Sadrian printf("firmware error log (count = %u):\n", count); 2306278366Sadrian for (i = 0; i < count; i++) { 2307278366Sadrian wpi_mem_read_region_4(sc, offset, (uint32_t *)&dump, 2308278366Sadrian sizeof (dump) / sizeof (uint32_t)); 2309173362Sbenjsc 2310278366Sadrian printf(" error type = \"%s\" (0x%08X)\n", 2311278366Sadrian (dump.desc < size_errmsg) ? 2312278366Sadrian wpi_fw_errmsg[dump.desc] : "UNKNOWN", 2313278366Sadrian dump.desc); 2314278366Sadrian printf(" error data = 0x%08X\n", 2315278366Sadrian dump.data); 2316278366Sadrian printf(" branch link = 0x%08X%08X\n", 2317278366Sadrian dump.blink[0], dump.blink[1]); 2318278366Sadrian printf(" interrupt link = 0x%08X%08X\n", 2319278366Sadrian dump.ilink[0], dump.ilink[1]); 2320278366Sadrian printf(" time = %u\n", dump.time); 2321278366Sadrian 2322278366Sadrian offset += sizeof (dump); 2323278366Sadrian } 2324278366Sadrian wpi_nic_unlock(sc); 2325278366Sadrian /* Dump driver status (TX and RX rings) while we're here. */ 2326278366Sadrian printf("driver status:\n"); 2327280071Sadrian WPI_TXQ_LOCK(sc); 2328280058Sadrian for (i = 0; i < WPI_DRV_NTXQUEUES; i++) { 2329278366Sadrian struct wpi_tx_ring *ring = &sc->txq[i]; 2330278366Sadrian printf(" tx ring %2d: qid=%-2d cur=%-3d queued=%-3d\n", 2331278366Sadrian i, ring->qid, ring->cur, ring->queued); 2332278366Sadrian } 2333280071Sadrian WPI_TXQ_UNLOCK(sc); 2334278366Sadrian printf(" rx ring: cur=%d\n", sc->rxq.cur); 2335173362Sbenjsc} 2336173362Sbenjsc 2337173362Sbenjscstatic void 2338173362Sbenjscwpi_intr(void *arg) 2339173362Sbenjsc{ 2340173362Sbenjsc struct wpi_softc *sc = arg; 2341278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2342278366Sadrian uint32_t r1, r2; 2343173362Sbenjsc 2344173362Sbenjsc WPI_LOCK(sc); 2345173362Sbenjsc 2346278366Sadrian /* Disable interrupts. */ 2347278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 2348278366Sadrian 2349278366Sadrian r1 = WPI_READ(sc, WPI_INT); 2350278366Sadrian 2351280065Sadrian if (r1 == 0xffffffff || (r1 & 0xfffffff0) == 0xa5a5a5a0) 2352280065Sadrian goto end; /* Hardware gone! */ 2353173362Sbenjsc 2354278366Sadrian r2 = WPI_READ(sc, WPI_FH_INT); 2355173362Sbenjsc 2356278366Sadrian DPRINTF(sc, WPI_DEBUG_INTR, "%s: reg1=0x%08x reg2=0x%08x\n", __func__, 2357278366Sadrian r1, r2); 2358278366Sadrian 2359278366Sadrian if (r1 == 0 && r2 == 0) 2360278366Sadrian goto done; /* Interrupt not for us. */ 2361278366Sadrian 2362278366Sadrian /* Acknowledge interrupts. */ 2363278366Sadrian WPI_WRITE(sc, WPI_INT, r1); 2364278366Sadrian WPI_WRITE(sc, WPI_FH_INT, r2); 2365278366Sadrian 2366278366Sadrian if (r1 & (WPI_INT_SW_ERR | WPI_INT_HW_ERR)) { 2367191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 2368191746Sthompsa 2369173362Sbenjsc device_printf(sc->sc_dev, "fatal firmware error\n"); 2370280093Sadrian#ifdef WPI_DEBUG 2371280093Sadrian wpi_debug_registers(sc); 2372280093Sadrian#endif 2373278366Sadrian wpi_fatal_intr(sc); 2374278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 2375278366Sadrian "(%s)\n", (r1 & WPI_INT_SW_ERR) ? "(Software Error)" : 2376278366Sadrian "(Hardware Error)"); 2377278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2378280065Sadrian goto end; 2379173362Sbenjsc } 2380173362Sbenjsc 2381278366Sadrian if ((r1 & (WPI_INT_FH_RX | WPI_INT_SW_RX)) || 2382278366Sadrian (r2 & WPI_FH_INT_RX)) 2383173362Sbenjsc wpi_notif_intr(sc); 2384173362Sbenjsc 2385278366Sadrian if (r1 & WPI_INT_ALIVE) 2386278366Sadrian wakeup(sc); /* Firmware is alive. */ 2387173362Sbenjsc 2388278366Sadrian if (r1 & WPI_INT_WAKEUP) 2389278366Sadrian wpi_wakeup_intr(sc); 2390173362Sbenjsc 2391278366Sadriandone: 2392278366Sadrian /* Re-enable interrupts. */ 2393278366Sadrian if (ifp->if_flags & IFF_UP) 2394278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 2395278366Sadrian 2396280065Sadrianend: WPI_UNLOCK(sc); 2397173362Sbenjsc} 2398173362Sbenjsc 2399278366Sadrianstatic int 2400278366Sadrianwpi_cmd2(struct wpi_softc *sc, struct wpi_buf *buf) 2401173362Sbenjsc{ 2402278366Sadrian struct ieee80211_frame *wh; 2403278366Sadrian struct wpi_tx_cmd *cmd; 2404278366Sadrian struct wpi_tx_data *data; 2405278366Sadrian struct wpi_tx_desc *desc; 2406278366Sadrian struct wpi_tx_ring *ring; 2407278366Sadrian struct mbuf *m1; 2408278366Sadrian bus_dma_segment_t *seg, segs[WPI_MAX_SCATTER]; 2409279763Sadrian int error, i, hdrlen, nsegs, totlen, pad; 2410173362Sbenjsc 2411280071Sadrian WPI_TXQ_LOCK(sc); 2412280071Sadrian 2413280082Sadrian KASSERT(buf->size <= sizeof(buf->data), ("buffer overflow")); 2414280082Sadrian 2415278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2416278366Sadrian 2417280071Sadrian if (sc->txq_active == 0) { 2418280071Sadrian /* wpi_stop() was called */ 2419280071Sadrian error = ENETDOWN; 2420280071Sadrian goto fail; 2421280071Sadrian } 2422280071Sadrian 2423278366Sadrian wh = mtod(buf->m, struct ieee80211_frame *); 2424279763Sadrian hdrlen = ieee80211_anyhdrsize(wh); 2425278366Sadrian totlen = buf->m->m_pkthdr.len; 2426278366Sadrian 2427279763Sadrian if (hdrlen & 3) { 2428279763Sadrian /* First segment length must be a multiple of 4. */ 2429279763Sadrian pad = 4 - (hdrlen & 3); 2430279763Sadrian } else 2431279763Sadrian pad = 0; 2432279763Sadrian 2433278366Sadrian ring = &sc->txq[buf->ac]; 2434278366Sadrian desc = &ring->desc[ring->cur]; 2435278366Sadrian data = &ring->data[ring->cur]; 2436278366Sadrian 2437278366Sadrian /* Prepare TX firmware command. */ 2438278366Sadrian cmd = &ring->cmd[ring->cur]; 2439278366Sadrian cmd->code = buf->code; 2440278366Sadrian cmd->flags = 0; 2441278366Sadrian cmd->qid = ring->qid; 2442278366Sadrian cmd->idx = ring->cur; 2443278366Sadrian 2444278366Sadrian memcpy(cmd->data, buf->data, buf->size); 2445278366Sadrian 2446278366Sadrian /* Save and trim IEEE802.11 header. */ 2447279763Sadrian memcpy((uint8_t *)(cmd->data + buf->size), wh, hdrlen); 2448279763Sadrian m_adj(buf->m, hdrlen); 2449278366Sadrian 2450278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, buf->m, 2451278366Sadrian segs, &nsegs, BUS_DMA_NOWAIT); 2452278366Sadrian if (error != 0 && error != EFBIG) { 2453278366Sadrian device_printf(sc->sc_dev, 2454278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, error); 2455280071Sadrian goto fail; 2456173362Sbenjsc } 2457278366Sadrian if (error != 0) { 2458278366Sadrian /* Too many DMA segments, linearize mbuf. */ 2459280050Sadrian m1 = m_collapse(buf->m, M_NOWAIT, WPI_MAX_SCATTER - 1); 2460278366Sadrian if (m1 == NULL) { 2461278366Sadrian device_printf(sc->sc_dev, 2462278366Sadrian "%s: could not defrag mbuf\n", __func__); 2463280071Sadrian error = ENOBUFS; 2464280071Sadrian goto fail; 2465278366Sadrian } 2466278366Sadrian buf->m = m1; 2467278366Sadrian 2468278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, 2469278366Sadrian buf->m, segs, &nsegs, BUS_DMA_NOWAIT); 2470278366Sadrian if (error != 0) { 2471278366Sadrian device_printf(sc->sc_dev, 2472280066Sadrian "%s: can't map mbuf (error %d)\n", __func__, 2473280066Sadrian error); 2474280071Sadrian goto fail; 2475278366Sadrian } 2476278366Sadrian } 2477278366Sadrian 2478280050Sadrian KASSERT(nsegs < WPI_MAX_SCATTER, 2479280050Sadrian ("too many DMA segments, nsegs (%d) should be less than %d", 2480280050Sadrian nsegs, WPI_MAX_SCATTER)); 2481280050Sadrian 2482278366Sadrian data->m = buf->m; 2483278366Sadrian data->ni = buf->ni; 2484278366Sadrian 2485278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: qid %d idx %d len %d nsegs %d\n", 2486278366Sadrian __func__, ring->qid, ring->cur, totlen, nsegs); 2487278366Sadrian 2488278366Sadrian /* Fill TX descriptor. */ 2489279763Sadrian desc->nsegs = WPI_PAD32(totlen + pad) << 4 | (1 + nsegs); 2490278366Sadrian /* First DMA segment is used by the TX command. */ 2491278366Sadrian desc->segs[0].addr = htole32(data->cmd_paddr); 2492279763Sadrian desc->segs[0].len = htole32(4 + buf->size + hdrlen + pad); 2493278366Sadrian /* Other DMA segments are for data payload. */ 2494278366Sadrian seg = &segs[0]; 2495278366Sadrian for (i = 1; i <= nsegs; i++) { 2496278366Sadrian desc->segs[i].addr = htole32(seg->ds_addr); 2497278366Sadrian desc->segs[i].len = htole32(seg->ds_len); 2498278366Sadrian seg++; 2499278366Sadrian } 2500278366Sadrian 2501278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); 2502278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2503278366Sadrian BUS_DMASYNC_PREWRITE); 2504278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2505278366Sadrian BUS_DMASYNC_PREWRITE); 2506278366Sadrian 2507278366Sadrian /* Kick TX ring. */ 2508278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2509278366Sadrian wpi_update_tx_ring(sc, ring); 2510278366Sadrian 2511280075Sadrian if (ring->qid < WPI_CMD_QUEUE_NUM) { 2512280075Sadrian /* Mark TX ring as full if we reach a certain threshold. */ 2513280075Sadrian if (++ring->queued > WPI_TX_RING_HIMARK) 2514280075Sadrian sc->qfullmsk |= 1 << ring->qid; 2515278366Sadrian 2516280074Sadrian sc->sc_tx_timer = 5; 2517280075Sadrian } 2518280074Sadrian 2519278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2520278366Sadrian 2521280071Sadrian WPI_TXQ_UNLOCK(sc); 2522280071Sadrian 2523278366Sadrian return 0; 2524280071Sadrian 2525280071Sadrianfail: m_freem(buf->m); 2526280071Sadrian 2527280071Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2528280071Sadrian 2529280071Sadrian WPI_TXQ_UNLOCK(sc); 2530280071Sadrian 2531280071Sadrian return error; 2532173362Sbenjsc} 2533173362Sbenjsc 2534173362Sbenjsc/* 2535278366Sadrian * Construct the data packet for a transmit buffer. 2536173362Sbenjsc */ 2537173362Sbenjscstatic int 2538278366Sadrianwpi_tx_data(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2539173362Sbenjsc{ 2540278366Sadrian const struct ieee80211_txparam *tp; 2541178354Ssam struct ieee80211vap *vap = ni->ni_vap; 2542278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2543280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 2544278366Sadrian struct ieee80211_channel *chan; 2545173362Sbenjsc struct ieee80211_frame *wh; 2546278366Sadrian struct ieee80211_key *k = NULL; 2547278366Sadrian struct wpi_buf tx_data; 2548280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2549278366Sadrian uint32_t flags; 2550278366Sadrian uint16_t qos; 2551278366Sadrian uint8_t tid, type; 2552280068Sadrian int ac, error, swcrypt, rate, ismcast, totlen; 2553173362Sbenjsc 2554278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2555278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2556278366Sadrian ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 2557173362Sbenjsc 2558278366Sadrian /* Select EDCA Access Category and TX ring for this frame. */ 2559278366Sadrian if (IEEE80211_QOS_HAS_SEQ(wh)) { 2560278366Sadrian qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 2561278366Sadrian tid = qos & IEEE80211_QOS_TID; 2562278366Sadrian } else { 2563278366Sadrian qos = 0; 2564278366Sadrian tid = 0; 2565280059Sadrian } 2566278366Sadrian ac = M_WME_GETAC(m); 2567173362Sbenjsc 2568278366Sadrian chan = (ni->ni_chan != IEEE80211_CHAN_ANYC) ? 2569278366Sadrian ni->ni_chan : ic->ic_curchan; 2570278366Sadrian tp = &vap->iv_txparms[ieee80211_chan2mode(chan)]; 2571173362Sbenjsc 2572278366Sadrian /* Choose a TX rate index. */ 2573278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) 2574278366Sadrian rate = tp->mgmtrate; 2575278366Sadrian else if (ismcast) 2576278366Sadrian rate = tp->mcastrate; 2577278366Sadrian else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2578278366Sadrian rate = tp->ucastrate; 2579278366Sadrian else if (m->m_flags & M_EAPOL) 2580278366Sadrian rate = tp->mgmtrate; 2581278366Sadrian else { 2582278366Sadrian /* XXX pass pktlen */ 2583278366Sadrian (void) ieee80211_ratectl_rate(ni, NULL, 0); 2584278366Sadrian rate = ni->ni_txrate; 2585278366Sadrian } 2586278366Sadrian 2587278366Sadrian /* Encrypt the frame if need be. */ 2588260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2589278366Sadrian /* Retrieve key for TX. */ 2590278366Sadrian k = ieee80211_crypto_encap(ni, m); 2591177043Sthompsa if (k == NULL) { 2592278366Sadrian error = ENOBUFS; 2593278366Sadrian goto fail; 2594173362Sbenjsc } 2595280068Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2596280068Sadrian 2597278366Sadrian /* 802.11 header may have moved. */ 2598278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2599173362Sbenjsc } 2600279763Sadrian totlen = m->m_pkthdr.len; 2601173362Sbenjsc 2602278366Sadrian if (ieee80211_radiotap_active_vap(vap)) { 2603278366Sadrian struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2604173362Sbenjsc 2605279763Sadrian tap->wt_flags = 0; 2606278366Sadrian tap->wt_rate = rate; 2607278366Sadrian if (k != NULL) 2608278366Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2609173362Sbenjsc 2610278366Sadrian ieee80211_radiotap_tx(vap, m); 2611278366Sadrian } 2612278366Sadrian 2613278366Sadrian flags = 0; 2614177119Ssam if (!ismcast) { 2615278366Sadrian /* Unicast frame, check if an ACK is expected. */ 2616278366Sadrian if (!qos || (qos & IEEE80211_QOS_ACKPOLICY) != 2617278366Sadrian IEEE80211_QOS_ACKPOLICY_NOACK) 2618278366Sadrian flags |= WPI_TX_NEED_ACK; 2619278366Sadrian } 2620278366Sadrian 2621278764Sadrian if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) 2622278764Sadrian flags |= WPI_TX_MORE_FRAG; /* Cannot happen yet. */ 2623278764Sadrian 2624278366Sadrian /* Check if frame must be protected using RTS/CTS or CTS-to-self. */ 2625278366Sadrian if (!ismcast) { 2626278366Sadrian /* NB: Group frames are sent using CCK in 802.11b/g. */ 2627278366Sadrian if (totlen + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) { 2628278366Sadrian flags |= WPI_TX_NEED_RTS; 2629278366Sadrian } else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2630278366Sadrian WPI_RATE_IS_OFDM(rate)) { 2631278366Sadrian if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2632278366Sadrian flags |= WPI_TX_NEED_CTS; 2633278366Sadrian else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2634278366Sadrian flags |= WPI_TX_NEED_RTS; 2635177043Sthompsa } 2636278366Sadrian 2637278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2638278366Sadrian flags |= WPI_TX_FULL_TXOP; 2639173362Sbenjsc } 2640278366Sadrian 2641280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2642278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2643173362Sbenjsc uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2644278366Sadrian 2645278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2646173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2647278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2648173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2649177043Sthompsa subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2650280082Sadrian tx->timeout = htole16(3); 2651173362Sbenjsc else 2652280082Sadrian tx->timeout = htole16(2); 2653177043Sthompsa } 2654173362Sbenjsc 2655278366Sadrian if (ismcast || type != IEEE80211_FC0_TYPE_DATA) 2656280082Sadrian tx->id = WPI_ID_BROADCAST; 2657278366Sadrian else { 2658278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 2659278366Sadrian device_printf(sc->sc_dev, 2660278366Sadrian "%s: undefined node id\n", __func__); 2661278366Sadrian error = EINVAL; 2662278366Sadrian goto fail; 2663278366Sadrian } 2664278366Sadrian 2665280082Sadrian tx->id = wn->id; 2666278366Sadrian } 2667278366Sadrian 2668278366Sadrian if (type != IEEE80211_FC0_TYPE_MGT) 2669280082Sadrian tx->data_ntries = tp->maxretry; 2670278366Sadrian 2671280068Sadrian if (k != NULL && !swcrypt) { 2672280068Sadrian switch (k->wk_cipher->ic_cipher) { 2673280068Sadrian case IEEE80211_CIPHER_AES_CCM: 2674280082Sadrian tx->security = WPI_CIPHER_CCMP; 2675280068Sadrian break; 2676280068Sadrian 2677280068Sadrian default: 2678280068Sadrian break; 2679280068Sadrian } 2680280068Sadrian 2681280082Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 2682280068Sadrian } 2683280068Sadrian 2684280082Sadrian tx->len = htole16(totlen); 2685280082Sadrian tx->flags = htole32(flags); 2686280082Sadrian tx->plcp = rate2plcp(rate); 2687280082Sadrian tx->tid = tid; 2688280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 2689280082Sadrian tx->ofdm_mask = 0xff; 2690280082Sadrian tx->cck_mask = 0x0f; 2691280082Sadrian tx->rts_ntries = 7; 2692278366Sadrian 2693278366Sadrian tx_data.ni = ni; 2694278366Sadrian tx_data.m = m; 2695280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 2696278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2697278366Sadrian tx_data.ac = ac; 2698278366Sadrian 2699278366Sadrian return wpi_cmd2(sc, &tx_data); 2700278366Sadrian 2701278366Sadrianfail: m_freem(m); 2702278366Sadrian return error; 2703278366Sadrian} 2704278366Sadrian 2705278366Sadrianstatic int 2706280066Sadrianwpi_tx_data_raw(struct wpi_softc *sc, struct mbuf *m, 2707280066Sadrian struct ieee80211_node *ni, const struct ieee80211_bpf_params *params) 2708278366Sadrian{ 2709278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 2710280087Sadrian struct ieee80211_key *k = NULL; 2711278366Sadrian struct ieee80211_frame *wh; 2712278366Sadrian struct wpi_buf tx_data; 2713280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2714278366Sadrian uint32_t flags; 2715278366Sadrian uint8_t type; 2716280087Sadrian int ac, rate, swcrypt, totlen; 2717278366Sadrian 2718278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2719278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2720278366Sadrian 2721278366Sadrian ac = params->ibp_pri & 3; 2722278366Sadrian 2723278366Sadrian /* Choose a TX rate index. */ 2724278366Sadrian rate = params->ibp_rate0; 2725278366Sadrian 2726278366Sadrian flags = 0; 2727278366Sadrian if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2728278366Sadrian flags |= WPI_TX_NEED_ACK; 2729278366Sadrian if (params->ibp_flags & IEEE80211_BPF_RTS) 2730278366Sadrian flags |= WPI_TX_NEED_RTS; 2731278366Sadrian if (params->ibp_flags & IEEE80211_BPF_CTS) 2732278366Sadrian flags |= WPI_TX_NEED_CTS; 2733278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2734278366Sadrian flags |= WPI_TX_FULL_TXOP; 2735278366Sadrian 2736280087Sadrian /* Encrypt the frame if need be. */ 2737280087Sadrian if (params->ibp_flags & IEEE80211_BPF_CRYPTO) { 2738280087Sadrian /* Retrieve key for TX. */ 2739280087Sadrian k = ieee80211_crypto_encap(ni, m); 2740280087Sadrian if (k == NULL) { 2741280087Sadrian m_freem(m); 2742280087Sadrian return ENOBUFS; 2743280087Sadrian } 2744280087Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2745280087Sadrian 2746280087Sadrian /* 802.11 header may have moved. */ 2747280087Sadrian wh = mtod(m, struct ieee80211_frame *); 2748280087Sadrian } 2749280087Sadrian totlen = m->m_pkthdr.len; 2750280087Sadrian 2751192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2752177043Sthompsa struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2753278366Sadrian 2754177043Sthompsa tap->wt_flags = 0; 2755177043Sthompsa tap->wt_rate = rate; 2756280087Sadrian if (params->ibp_flags & IEEE80211_BPF_CRYPTO) 2757280087Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2758178354Ssam 2759278366Sadrian ieee80211_radiotap_tx(vap, m); 2760177043Sthompsa } 2761173362Sbenjsc 2762280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2763278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2764278366Sadrian uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2765173362Sbenjsc 2766278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2767278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2768278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2769278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2770278366Sadrian subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2771280082Sadrian tx->timeout = htole16(3); 2772278366Sadrian else 2773280082Sadrian tx->timeout = htole16(2); 2774173362Sbenjsc } 2775173362Sbenjsc 2776280087Sadrian if (k != NULL && !swcrypt) { 2777280087Sadrian switch (k->wk_cipher->ic_cipher) { 2778280087Sadrian case IEEE80211_CIPHER_AES_CCM: 2779280087Sadrian tx->security = WPI_CIPHER_CCMP; 2780280087Sadrian break; 2781280087Sadrian 2782280087Sadrian default: 2783280087Sadrian break; 2784280087Sadrian } 2785280087Sadrian 2786280087Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 2787280087Sadrian } 2788280087Sadrian 2789280082Sadrian tx->len = htole16(totlen); 2790280082Sadrian tx->flags = htole32(flags); 2791280082Sadrian tx->plcp = rate2plcp(rate); 2792280082Sadrian tx->id = WPI_ID_BROADCAST; 2793280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 2794280082Sadrian tx->rts_ntries = params->ibp_try1; 2795280082Sadrian tx->data_ntries = params->ibp_try0; 2796278366Sadrian 2797278366Sadrian tx_data.ni = ni; 2798278366Sadrian tx_data.m = m; 2799280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 2800278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2801278366Sadrian tx_data.ac = ac; 2802278366Sadrian 2803278366Sadrian return wpi_cmd2(sc, &tx_data); 2804278366Sadrian} 2805278366Sadrian 2806278366Sadrianstatic int 2807278366Sadrianwpi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2808278366Sadrian const struct ieee80211_bpf_params *params) 2809278366Sadrian{ 2810278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2811278366Sadrian struct ifnet *ifp = ic->ic_ifp; 2812278366Sadrian struct wpi_softc *sc = ifp->if_softc; 2813278366Sadrian int error = 0; 2814278366Sadrian 2815278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2816278366Sadrian 2817278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2818278366Sadrian ieee80211_free_node(ni); 2819278366Sadrian m_freem(m); 2820278366Sadrian return ENETDOWN; 2821173362Sbenjsc } 2822173362Sbenjsc 2823278366Sadrian WPI_LOCK(sc); 2824278366Sadrian if (params == NULL) { 2825278366Sadrian /* 2826278366Sadrian * Legacy path; interpret frame contents to decide 2827278366Sadrian * precisely how to send the frame. 2828278366Sadrian */ 2829278366Sadrian error = wpi_tx_data(sc, m, ni); 2830278366Sadrian } else { 2831278366Sadrian /* 2832278366Sadrian * Caller supplied explicit parameters to use in 2833278366Sadrian * sending the frame. 2834278366Sadrian */ 2835278366Sadrian error = wpi_tx_data_raw(sc, m, ni, params); 2836278366Sadrian } 2837278366Sadrian WPI_UNLOCK(sc); 2838173362Sbenjsc 2839278366Sadrian if (error != 0) { 2840278366Sadrian /* NB: m is reclaimed on tx failure */ 2841278366Sadrian ieee80211_free_node(ni); 2842278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2843173362Sbenjsc 2844278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2845278366Sadrian 2846278366Sadrian return error; 2847173362Sbenjsc } 2848173362Sbenjsc 2849278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2850173362Sbenjsc 2851173362Sbenjsc return 0; 2852173362Sbenjsc} 2853173362Sbenjsc 2854173362Sbenjsc/** 2855173362Sbenjsc * Process data waiting to be sent on the IFNET output queue 2856173362Sbenjsc */ 2857173362Sbenjscstatic void 2858173362Sbenjscwpi_start(struct ifnet *ifp) 2859173362Sbenjsc{ 2860173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2861178354Ssam 2862178354Ssam WPI_LOCK(sc); 2863178354Ssam wpi_start_locked(ifp); 2864178354Ssam WPI_UNLOCK(sc); 2865178354Ssam} 2866178354Ssam 2867178354Ssamstatic void 2868178354Ssamwpi_start_locked(struct ifnet *ifp) 2869178354Ssam{ 2870178354Ssam struct wpi_softc *sc = ifp->if_softc; 2871173362Sbenjsc struct ieee80211_node *ni; 2872178354Ssam struct mbuf *m; 2873173362Sbenjsc 2874178354Ssam WPI_LOCK_ASSERT(sc); 2875178354Ssam 2876278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: called\n", __func__); 2877278366Sadrian 2878280097Sadrian IF_LOCK(&ifp->if_snd); 2879278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 || 2880280097Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) { 2881280097Sadrian IF_UNLOCK(&ifp->if_snd); 2882177043Sthompsa return; 2883280097Sadrian } 2884280097Sadrian IF_UNLOCK(&ifp->if_snd); 2885173362Sbenjsc 2886173362Sbenjsc for (;;) { 2887278366Sadrian if (sc->qfullmsk != 0) { 2888280097Sadrian IF_LOCK(&ifp->if_snd); 2889278366Sadrian ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2890280097Sadrian IF_UNLOCK(&ifp->if_snd); 2891278366Sadrian break; 2892278366Sadrian } 2893190458Sjmallett IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2894178354Ssam if (m == NULL) 2895178354Ssam break; 2896278366Sadrian ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2897278366Sadrian if (wpi_tx_data(sc, m, ni) != 0) { 2898278366Sadrian WPI_UNLOCK(sc); 2899178354Ssam ieee80211_free_node(ni); 2900278366Sadrian WPI_LOCK(sc); 2901271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2902280074Sadrian } 2903178354Ssam } 2904278366Sadrian 2905278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: done\n", __func__); 2906178354Ssam} 2907173362Sbenjsc 2908278366Sadrianstatic void 2909280078Sadrianwpi_start_task(void *arg0, int pending) 2910280078Sadrian{ 2911280078Sadrian struct wpi_softc *sc = arg0; 2912280078Sadrian struct ifnet *ifp = sc->sc_ifp; 2913280078Sadrian 2914280078Sadrian wpi_start(ifp); 2915280078Sadrian} 2916280078Sadrian 2917280078Sadrianstatic void 2918278366Sadrianwpi_watchdog_rfkill(void *arg) 2919178354Ssam{ 2920278366Sadrian struct wpi_softc *sc = arg; 2921278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2922278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2923173362Sbenjsc 2924278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "RFkill Watchdog: tick\n"); 2925278366Sadrian 2926278366Sadrian /* No need to lock firmware memory. */ 2927278366Sadrian if ((wpi_prph_read(sc, WPI_APMG_RFKILL) & 0x1) == 0) { 2928278366Sadrian /* Radio kill switch is still off. */ 2929278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 2930278366Sadrian sc); 2931278366Sadrian } else 2932278366Sadrian ieee80211_runtask(ic, &sc->sc_radioon_task); 2933278366Sadrian} 2934278366Sadrian 2935278366Sadrian/** 2936278366Sadrian * Called every second, wpi_watchdog used by the watch dog timer 2937278366Sadrian * to check that the card is still alive 2938278366Sadrian */ 2939278366Sadrianstatic void 2940278366Sadrianwpi_watchdog(void *arg) 2941278366Sadrian{ 2942278366Sadrian struct wpi_softc *sc = arg; 2943278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2944278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2945278366Sadrian 2946278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "Watchdog: tick\n"); 2947278366Sadrian 2948278366Sadrian if (sc->sc_tx_timer > 0) { 2949278366Sadrian if (--sc->sc_tx_timer == 0) { 2950278366Sadrian if_printf(ifp, "device timeout\n"); 2951278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2952278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2953278366Sadrian } 2954178354Ssam } 2955173362Sbenjsc 2956278366Sadrian if (sc->sc_scan_timer > 0) { 2957278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2958278366Sadrian if (--sc->sc_scan_timer == 0 && vap != NULL) { 2959278366Sadrian if_printf(ifp, "scan timeout\n"); 2960278366Sadrian ieee80211_cancel_scan(vap); 2961278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2962278366Sadrian } 2963178354Ssam } 2964173362Sbenjsc 2965278366Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2966278366Sadrian callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 2967173362Sbenjsc} 2968173362Sbenjsc 2969173362Sbenjscstatic int 2970173362Sbenjscwpi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 2971173362Sbenjsc{ 2972173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2973178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2974278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2975178354Ssam struct ifreq *ifr = (struct ifreq *) data; 2976280095Sadrian int error = 0; 2977173362Sbenjsc 2978173362Sbenjsc switch (cmd) { 2979278366Sadrian case SIOCGIFADDR: 2980278366Sadrian error = ether_ioctl(ifp, cmd, data); 2981278366Sadrian break; 2982173362Sbenjsc case SIOCSIFFLAGS: 2983278366Sadrian if (ifp->if_flags & IFF_UP) { 2984280096Sadrian wpi_init(sc); 2985280095Sadrian 2986280096Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 && 2987280096Sadrian vap != NULL) 2988280096Sadrian ieee80211_stop(vap); 2989280095Sadrian } else if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) 2990280095Sadrian wpi_stop(sc); 2991173362Sbenjsc break; 2992178354Ssam case SIOCGIFMEDIA: 2993178354Ssam error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2994178354Ssam break; 2995178704Sthompsa default: 2996178704Sthompsa error = EINVAL; 2997178704Sthompsa break; 2998173362Sbenjsc } 2999173362Sbenjsc return error; 3000173362Sbenjsc} 3001173362Sbenjsc 3002173362Sbenjsc/* 3003173362Sbenjsc * Send a command to the firmware. 3004173362Sbenjsc */ 3005173362Sbenjscstatic int 3006278366Sadrianwpi_cmd(struct wpi_softc *sc, int code, const void *buf, size_t size, 3007278366Sadrian int async) 3008173362Sbenjsc{ 3009280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 3010173362Sbenjsc struct wpi_tx_desc *desc; 3011278366Sadrian struct wpi_tx_data *data; 3012173362Sbenjsc struct wpi_tx_cmd *cmd; 3013278366Sadrian struct mbuf *m; 3014278366Sadrian bus_addr_t paddr; 3015278366Sadrian int totlen, error; 3016173362Sbenjsc 3017280071Sadrian WPI_TXQ_LOCK(sc); 3018280071Sadrian 3019278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3020278366Sadrian 3021280071Sadrian if (sc->txq_active == 0) { 3022280071Sadrian /* wpi_stop() was called */ 3023280071Sadrian error = 0; 3024280071Sadrian goto fail; 3025280071Sadrian } 3026280071Sadrian 3027278366Sadrian if (async == 0) 3028173362Sbenjsc WPI_LOCK_ASSERT(sc); 3029173362Sbenjsc 3030278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "wpi_cmd %s size %zu async %d\n", 3031278366Sadrian wpi_cmd_str(code), size, async); 3032173362Sbenjsc 3033173362Sbenjsc desc = &ring->desc[ring->cur]; 3034278366Sadrian data = &ring->data[ring->cur]; 3035278366Sadrian totlen = 4 + size; 3036173362Sbenjsc 3037278366Sadrian if (size > sizeof cmd->data) { 3038278366Sadrian /* Command is too large to fit in a descriptor. */ 3039280071Sadrian if (totlen > MCLBYTES) { 3040280071Sadrian error = EINVAL; 3041280071Sadrian goto fail; 3042280071Sadrian } 3043278366Sadrian m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 3044280071Sadrian if (m == NULL) { 3045280071Sadrian error = ENOMEM; 3046280071Sadrian goto fail; 3047280071Sadrian } 3048278366Sadrian cmd = mtod(m, struct wpi_tx_cmd *); 3049278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, cmd, 3050278366Sadrian totlen, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 3051278366Sadrian if (error != 0) { 3052278366Sadrian m_freem(m); 3053280071Sadrian goto fail; 3054278366Sadrian } 3055278366Sadrian data->m = m; 3056278366Sadrian } else { 3057278366Sadrian cmd = &ring->cmd[ring->cur]; 3058278366Sadrian paddr = data->cmd_paddr; 3059278366Sadrian } 3060278366Sadrian 3061173362Sbenjsc cmd->code = code; 3062173362Sbenjsc cmd->flags = 0; 3063173362Sbenjsc cmd->qid = ring->qid; 3064173362Sbenjsc cmd->idx = ring->cur; 3065173362Sbenjsc memcpy(cmd->data, buf, size); 3066173362Sbenjsc 3067278366Sadrian desc->nsegs = 1 + (WPI_PAD32(size) << 4); 3068278366Sadrian desc->segs[0].addr = htole32(paddr); 3069278366Sadrian desc->segs[0].len = htole32(totlen); 3070173362Sbenjsc 3071278366Sadrian if (size > sizeof cmd->data) { 3072278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 3073278366Sadrian BUS_DMASYNC_PREWRITE); 3074278366Sadrian } else { 3075278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 3076278366Sadrian BUS_DMASYNC_PREWRITE); 3077278366Sadrian } 3078278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 3079278366Sadrian BUS_DMASYNC_PREWRITE); 3080173362Sbenjsc 3081278366Sadrian /* Kick command ring. */ 3082278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 3083278366Sadrian wpi_update_tx_ring(sc, ring); 3084278366Sadrian 3085278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3086278366Sadrian 3087280071Sadrian WPI_TXQ_UNLOCK(sc); 3088280071Sadrian 3089280072Sadrian if (async) 3090173362Sbenjsc return 0; 3091173362Sbenjsc 3092280062Sadrian return mtx_sleep(cmd, &sc->sc_mtx, PCATCH, "wpicmd", hz); 3093280071Sadrian 3094280071Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3095280071Sadrian 3096280071Sadrian WPI_TXQ_UNLOCK(sc); 3097280071Sadrian 3098280071Sadrian return error; 3099173362Sbenjsc} 3100173362Sbenjsc 3101173362Sbenjsc/* 3102278366Sadrian * Configure HW multi-rate retries. 3103173362Sbenjsc */ 3104173362Sbenjscstatic int 3105173362Sbenjscwpi_mrr_setup(struct wpi_softc *sc) 3106173362Sbenjsc{ 3107178354Ssam struct ifnet *ifp = sc->sc_ifp; 3108178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3109173362Sbenjsc struct wpi_mrr_setup mrr; 3110173362Sbenjsc int i, error; 3111173362Sbenjsc 3112278366Sadrian /* CCK rates (not used with 802.11a). */ 3113278366Sadrian for (i = WPI_RIDX_CCK1; i <= WPI_RIDX_CCK11; i++) { 3114173362Sbenjsc mrr.rates[i].flags = 0; 3115278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3116278366Sadrian /* Fallback to the immediate lower CCK rate (if any.) */ 3117278366Sadrian mrr.rates[i].next = 3118278366Sadrian (i == WPI_RIDX_CCK1) ? WPI_RIDX_CCK1 : i - 1; 3119278366Sadrian /* Try one time at this rate before falling back to "next". */ 3120173362Sbenjsc mrr.rates[i].ntries = 1; 3121173362Sbenjsc } 3122278366Sadrian /* OFDM rates (not used with 802.11b). */ 3123278366Sadrian for (i = WPI_RIDX_OFDM6; i <= WPI_RIDX_OFDM54; i++) { 3124173362Sbenjsc mrr.rates[i].flags = 0; 3125278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3126278366Sadrian /* Fallback to the immediate lower rate (if any.) */ 3127278366Sadrian /* We allow fallback from OFDM/6 to CCK/2 in 11b/g mode. */ 3128278366Sadrian mrr.rates[i].next = (i == WPI_RIDX_OFDM6) ? 3129173362Sbenjsc ((ic->ic_curmode == IEEE80211_MODE_11A) ? 3130278366Sadrian WPI_RIDX_OFDM6 : WPI_RIDX_CCK2) : 3131173362Sbenjsc i - 1; 3132278366Sadrian /* Try one time at this rate before falling back to "next". */ 3133173362Sbenjsc mrr.rates[i].ntries = 1; 3134173362Sbenjsc } 3135278366Sadrian /* Setup MRR for control frames. */ 3136278366Sadrian mrr.which = htole32(WPI_MRR_CTL); 3137173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3138173362Sbenjsc if (error != 0) { 3139173362Sbenjsc device_printf(sc->sc_dev, 3140173362Sbenjsc "could not setup MRR for control frames\n"); 3141173362Sbenjsc return error; 3142173362Sbenjsc } 3143278366Sadrian /* Setup MRR for data frames. */ 3144278366Sadrian mrr.which = htole32(WPI_MRR_DATA); 3145173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3146173362Sbenjsc if (error != 0) { 3147173362Sbenjsc device_printf(sc->sc_dev, 3148173362Sbenjsc "could not setup MRR for data frames\n"); 3149173362Sbenjsc return error; 3150173362Sbenjsc } 3151173362Sbenjsc return 0; 3152173362Sbenjsc} 3153173362Sbenjsc 3154278366Sadrianstatic int 3155278366Sadrianwpi_add_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3156278366Sadrian{ 3157278366Sadrian struct ieee80211com *ic = ni->ni_ic; 3158280088Sadrian struct wpi_vap *wvp = WPI_VAP(ni->ni_vap); 3159280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3160278366Sadrian struct wpi_node_info node; 3161280088Sadrian int error; 3162278366Sadrian 3163278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3164278366Sadrian 3165278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 3166278366Sadrian return EINVAL; 3167278366Sadrian 3168278366Sadrian memset(&node, 0, sizeof node); 3169279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3170278366Sadrian node.id = wn->id; 3171278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3172278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3173278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3174278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3175278366Sadrian 3176280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: adding node %d (%s)\n", __func__, 3177280094Sadrian wn->id, ether_sprintf(ni->ni_macaddr)); 3178280094Sadrian 3179280088Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 3180280088Sadrian if (error != 0) { 3181280088Sadrian device_printf(sc->sc_dev, 3182280088Sadrian "%s: wpi_cmd() call failed with error code %d\n", __func__, 3183280088Sadrian error); 3184280088Sadrian return error; 3185280088Sadrian } 3186280088Sadrian 3187280088Sadrian if (wvp->wv_gtk != 0) { 3188280088Sadrian error = wpi_set_global_keys(ni); 3189280088Sadrian if (error != 0) { 3190280088Sadrian device_printf(sc->sc_dev, 3191280088Sadrian "%s: error while setting global keys\n", __func__); 3192280088Sadrian return ENXIO; 3193280088Sadrian } 3194280088Sadrian } 3195280088Sadrian 3196280088Sadrian return 0; 3197278366Sadrian} 3198278366Sadrian 3199278366Sadrian/* 3200278366Sadrian * Broadcast node is used to send group-addressed and management frames. 3201278366Sadrian */ 3202278366Sadrianstatic int 3203278366Sadrianwpi_add_broadcast_node(struct wpi_softc *sc, int async) 3204278366Sadrian{ 3205278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3206278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3207278366Sadrian struct wpi_node_info node; 3208278366Sadrian 3209278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3210278366Sadrian 3211278366Sadrian memset(&node, 0, sizeof node); 3212278366Sadrian IEEE80211_ADDR_COPY(node.macaddr, ifp->if_broadcastaddr); 3213278366Sadrian node.id = WPI_ID_BROADCAST; 3214278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3215278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3216278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3217278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3218278366Sadrian 3219280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: adding broadcast node\n", __func__); 3220280094Sadrian 3221278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, async); 3222278366Sadrian} 3223278366Sadrian 3224278366Sadrianstatic int 3225280070Sadrianwpi_add_sta_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3226280070Sadrian{ 3227280070Sadrian struct wpi_node *wn = WPI_NODE(ni); 3228280070Sadrian int error; 3229280070Sadrian 3230280070Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3231280070Sadrian 3232280070Sadrian wn->id = wpi_add_node_entry_sta(sc); 3233280070Sadrian 3234280070Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3235280070Sadrian wpi_del_node_entry(sc, wn->id); 3236280070Sadrian wn->id = WPI_ID_UNDEFINED; 3237280070Sadrian return error; 3238280070Sadrian } 3239280070Sadrian 3240280070Sadrian return 0; 3241280070Sadrian} 3242280070Sadrian 3243280070Sadrianstatic int 3244278366Sadrianwpi_add_ibss_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3245278366Sadrian{ 3246280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3247280069Sadrian int error; 3248278366Sadrian 3249280100Sadrian KASSERT(wn->id == WPI_ID_UNDEFINED, 3250280100Sadrian ("the node %d was added before", wn->id)); 3251280100Sadrian 3252278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3253278366Sadrian 3254280069Sadrian if ((wn->id = wpi_add_node_entry_adhoc(sc)) == WPI_ID_UNDEFINED) { 3255280069Sadrian device_printf(sc->sc_dev, "%s: h/w table is full\n", __func__); 3256280069Sadrian return ENOMEM; 3257280069Sadrian } 3258278366Sadrian 3259280069Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3260280069Sadrian wpi_del_node_entry(sc, wn->id); 3261280069Sadrian wn->id = WPI_ID_UNDEFINED; 3262280069Sadrian return error; 3263280069Sadrian } 3264278366Sadrian 3265280069Sadrian return 0; 3266278366Sadrian} 3267278366Sadrian 3268173362Sbenjscstatic void 3269278366Sadrianwpi_del_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3270278366Sadrian{ 3271280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3272278366Sadrian struct wpi_cmd_del_node node; 3273278366Sadrian int error; 3274278366Sadrian 3275280100Sadrian KASSERT(wn->id != WPI_ID_UNDEFINED, ("undefined node id passed")); 3276280100Sadrian 3277278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3278278366Sadrian 3279278366Sadrian memset(&node, 0, sizeof node); 3280279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3281278366Sadrian node.count = 1; 3282278366Sadrian 3283280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: deleting node %d (%s)\n", __func__, 3284280094Sadrian wn->id, ether_sprintf(ni->ni_macaddr)); 3285280094Sadrian 3286278366Sadrian error = wpi_cmd(sc, WPI_CMD_DEL_NODE, &node, sizeof node, 1); 3287278366Sadrian if (error != 0) { 3288278366Sadrian device_printf(sc->sc_dev, 3289278366Sadrian "%s: could not delete node %u, error %d\n", __func__, 3290278366Sadrian wn->id, error); 3291278366Sadrian } 3292278366Sadrian} 3293278366Sadrian 3294278366Sadrianstatic int 3295278366Sadrianwpi_updateedca(struct ieee80211com *ic) 3296278366Sadrian{ 3297278366Sadrian#define WPI_EXP2(x) ((1 << (x)) - 1) /* CWmin = 2^ECWmin - 1 */ 3298278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 3299278366Sadrian struct wpi_edca_params cmd; 3300278366Sadrian int aci, error; 3301278366Sadrian 3302278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3303278366Sadrian 3304278366Sadrian memset(&cmd, 0, sizeof cmd); 3305278366Sadrian cmd.flags = htole32(WPI_EDCA_UPDATE); 3306278366Sadrian for (aci = 0; aci < WME_NUM_AC; aci++) { 3307278366Sadrian const struct wmeParams *ac = 3308278366Sadrian &ic->ic_wme.wme_chanParams.cap_wmeParams[aci]; 3309278366Sadrian cmd.ac[aci].aifsn = ac->wmep_aifsn; 3310278366Sadrian cmd.ac[aci].cwmin = htole16(WPI_EXP2(ac->wmep_logcwmin)); 3311278366Sadrian cmd.ac[aci].cwmax = htole16(WPI_EXP2(ac->wmep_logcwmax)); 3312278366Sadrian cmd.ac[aci].txoplimit = 3313278366Sadrian htole16(IEEE80211_TXOP_TO_US(ac->wmep_txopLimit)); 3314278366Sadrian 3315278366Sadrian DPRINTF(sc, WPI_DEBUG_EDCA, 3316278366Sadrian "setting WME for queue %d aifsn=%d cwmin=%d cwmax=%d " 3317278366Sadrian "txoplimit=%d\n", aci, cmd.ac[aci].aifsn, 3318278366Sadrian cmd.ac[aci].cwmin, cmd.ac[aci].cwmax, 3319278366Sadrian cmd.ac[aci].txoplimit); 3320278366Sadrian } 3321278366Sadrian error = wpi_cmd(sc, WPI_CMD_EDCA_PARAMS, &cmd, sizeof cmd, 1); 3322278366Sadrian 3323278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3324278366Sadrian 3325278366Sadrian return error; 3326278366Sadrian#undef WPI_EXP2 3327278366Sadrian} 3328278366Sadrian 3329278366Sadrianstatic void 3330278366Sadrianwpi_set_promisc(struct wpi_softc *sc) 3331278366Sadrian{ 3332278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3333278366Sadrian uint32_t promisc_filter; 3334278366Sadrian 3335278366Sadrian promisc_filter = WPI_FILTER_PROMISC | WPI_FILTER_CTL; 3336278366Sadrian 3337278366Sadrian if (ifp->if_flags & IFF_PROMISC) 3338278366Sadrian sc->rxon.filter |= htole32(promisc_filter); 3339278366Sadrian else 3340278366Sadrian sc->rxon.filter &= ~htole32(promisc_filter); 3341278366Sadrian} 3342278366Sadrian 3343278366Sadrianstatic void 3344278366Sadrianwpi_update_promisc(struct ifnet *ifp) 3345278366Sadrian{ 3346278366Sadrian struct wpi_softc *sc = ifp->if_softc; 3347278366Sadrian 3348280074Sadrian WPI_LOCK(sc); 3349278366Sadrian wpi_set_promisc(sc); 3350278366Sadrian 3351278366Sadrian if (wpi_send_rxon(sc, 1, 1) != 0) { 3352278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3353278366Sadrian __func__); 3354278366Sadrian } 3355278366Sadrian WPI_UNLOCK(sc); 3356278366Sadrian} 3357278366Sadrian 3358278366Sadrianstatic void 3359278366Sadrianwpi_update_mcast(struct ifnet *ifp) 3360278366Sadrian{ 3361278366Sadrian /* Ignore */ 3362278366Sadrian} 3363278366Sadrian 3364278366Sadrianstatic void 3365173362Sbenjscwpi_set_led(struct wpi_softc *sc, uint8_t which, uint8_t off, uint8_t on) 3366173362Sbenjsc{ 3367173362Sbenjsc struct wpi_cmd_led led; 3368173362Sbenjsc 3369278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3370278366Sadrian 3371173362Sbenjsc led.which = which; 3372173362Sbenjsc led.unit = htole32(100000); /* on/off in unit of 100ms */ 3373173362Sbenjsc led.off = off; 3374173362Sbenjsc led.on = on; 3375173362Sbenjsc (void)wpi_cmd(sc, WPI_CMD_SET_LED, &led, sizeof led, 1); 3376173362Sbenjsc} 3377173362Sbenjsc 3378278366Sadrianstatic int 3379278366Sadrianwpi_set_timing(struct wpi_softc *sc, struct ieee80211_node *ni) 3380173362Sbenjsc{ 3381278366Sadrian struct wpi_cmd_timing cmd; 3382173362Sbenjsc uint64_t val, mod; 3383173362Sbenjsc 3384278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3385173362Sbenjsc 3386278366Sadrian memset(&cmd, 0, sizeof cmd); 3387278366Sadrian memcpy(&cmd.tstamp, ni->ni_tstamp.data, sizeof (uint64_t)); 3388278366Sadrian cmd.bintval = htole16(ni->ni_intval); 3389278366Sadrian cmd.lintval = htole16(10); 3390173362Sbenjsc 3391278366Sadrian /* Compute remaining time until next beacon. */ 3392278366Sadrian val = (uint64_t)ni->ni_intval * IEEE80211_DUR_TU; 3393278366Sadrian mod = le64toh(cmd.tstamp) % val; 3394278366Sadrian cmd.binitval = htole32((uint32_t)(val - mod)); 3395278366Sadrian 3396278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "timing bintval=%u tstamp=%ju, init=%u\n", 3397278366Sadrian ni->ni_intval, le64toh(cmd.tstamp), (uint32_t)(val - mod)); 3398278366Sadrian 3399278366Sadrian return wpi_cmd(sc, WPI_CMD_TIMING, &cmd, sizeof cmd, 1); 3400173362Sbenjsc} 3401173362Sbenjsc 3402173362Sbenjsc/* 3403278366Sadrian * This function is called periodically (every 60 seconds) to adjust output 3404278366Sadrian * power to temperature changes. 3405173362Sbenjsc */ 3406278366Sadrianstatic void 3407278366Sadrianwpi_power_calibration(struct wpi_softc *sc) 3408278366Sadrian{ 3409278366Sadrian int temp; 3410278366Sadrian 3411278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3412278366Sadrian 3413278366Sadrian /* Update sensor data. */ 3414278366Sadrian temp = (int)WPI_READ(sc, WPI_UCODE_GP2); 3415278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "Temp in calibration is: %d\n", temp); 3416278366Sadrian 3417278366Sadrian /* Sanity-check read value. */ 3418278366Sadrian if (temp < -260 || temp > 25) { 3419278366Sadrian /* This can't be correct, ignore. */ 3420278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3421278366Sadrian "out-of-range temperature reported: %d\n", temp); 3422278366Sadrian return; 3423278366Sadrian } 3424278366Sadrian 3425278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d->%d\n", sc->temp, temp); 3426278366Sadrian 3427278366Sadrian /* Adjust Tx power if need be. */ 3428278366Sadrian if (abs(temp - sc->temp) <= 6) 3429278366Sadrian return; 3430278366Sadrian 3431278366Sadrian sc->temp = temp; 3432278366Sadrian 3433278366Sadrian if (wpi_set_txpower(sc, 1) != 0) { 3434278366Sadrian /* just warn, too bad for the automatic calibration... */ 3435278366Sadrian device_printf(sc->sc_dev,"could not adjust Tx power\n"); 3436278366Sadrian } 3437278366Sadrian} 3438278366Sadrian 3439278366Sadrian/* 3440278366Sadrian * Set TX power for current channel. 3441278366Sadrian */ 3442173362Sbenjscstatic int 3443278366Sadrianwpi_set_txpower(struct wpi_softc *sc, int async) 3444173362Sbenjsc{ 3445280067Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3446278366Sadrian struct ieee80211_channel *ch; 3447278366Sadrian struct wpi_power_group *group; 3448278366Sadrian struct wpi_cmd_txpower cmd; 3449278366Sadrian uint8_t chan; 3450278366Sadrian int idx, i; 3451173362Sbenjsc 3452278366Sadrian /* Retrieve current channel from last RXON. */ 3453278366Sadrian chan = sc->rxon.chan; 3454278366Sadrian ch = &ic->ic_channels[chan]; 3455173362Sbenjsc 3456278366Sadrian /* Find the TX power group to which this channel belongs. */ 3457278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3458278366Sadrian for (group = &sc->groups[1]; group < &sc->groups[4]; group++) 3459278366Sadrian if (chan <= group->chan) 3460278366Sadrian break; 3461278366Sadrian } else 3462278366Sadrian group = &sc->groups[0]; 3463278366Sadrian 3464278366Sadrian memset(&cmd, 0, sizeof cmd); 3465278366Sadrian cmd.band = IEEE80211_IS_CHAN_5GHZ(ch) ? 0 : 1; 3466278366Sadrian cmd.chan = htole16(chan); 3467278366Sadrian 3468278366Sadrian /* Set TX power for all OFDM and CCK rates. */ 3469278366Sadrian for (i = 0; i <= WPI_RIDX_MAX ; i++) { 3470278366Sadrian /* Retrieve TX power for this channel/rate. */ 3471278366Sadrian idx = wpi_get_power_index(sc, group, ch, i); 3472278366Sadrian 3473278366Sadrian cmd.rates[i].plcp = wpi_ridx_to_plcp[i]; 3474278366Sadrian 3475278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3476278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_5ghz[idx]; 3477278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_5ghz[idx]; 3478278366Sadrian } else { 3479278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_2ghz[idx]; 3480278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_2ghz[idx]; 3481278366Sadrian } 3482278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3483278366Sadrian "chan %d/ridx %d: power index %d\n", chan, i, idx); 3484173362Sbenjsc } 3485173362Sbenjsc 3486278366Sadrian return wpi_cmd(sc, WPI_CMD_TXPOWER, &cmd, sizeof cmd, async); 3487278366Sadrian} 3488173362Sbenjsc 3489278366Sadrian/* 3490278366Sadrian * Determine Tx power index for a given channel/rate combination. 3491278366Sadrian * This takes into account the regulatory information from EEPROM and the 3492278366Sadrian * current temperature. 3493278366Sadrian */ 3494278366Sadrianstatic int 3495278366Sadrianwpi_get_power_index(struct wpi_softc *sc, struct wpi_power_group *group, 3496278366Sadrian struct ieee80211_channel *c, int ridx) 3497278366Sadrian{ 3498278366Sadrian/* Fixed-point arithmetic division using a n-bit fractional part. */ 3499280059Sadrian#define fdivround(a, b, n) \ 3500278366Sadrian ((((1 << n) * (a)) / (b) + (1 << n) / 2) / (1 << n)) 3501173362Sbenjsc 3502278366Sadrian/* Linear interpolation. */ 3503280059Sadrian#define interpolate(x, x1, y1, x2, y2, n) \ 3504278366Sadrian ((y1) + fdivround(((x) - (x1)) * ((y2) - (y1)), (x2) - (x1), n)) 3505173362Sbenjsc 3506280067Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3507278366Sadrian struct wpi_power_sample *sample; 3508278366Sadrian int pwr, idx; 3509278366Sadrian u_int chan; 3510278366Sadrian 3511278366Sadrian /* Get channel number. */ 3512278366Sadrian chan = ieee80211_chan2ieee(ic, c); 3513278366Sadrian 3514278366Sadrian /* Default TX power is group maximum TX power minus 3dB. */ 3515278366Sadrian pwr = group->maxpwr / 2; 3516278366Sadrian 3517278366Sadrian /* Decrease TX power for highest OFDM rates to reduce distortion. */ 3518278366Sadrian switch (ridx) { 3519278366Sadrian case WPI_RIDX_OFDM36: 3520278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 0 : 5; 3521278366Sadrian break; 3522278366Sadrian case WPI_RIDX_OFDM48: 3523278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 7 : 10; 3524278366Sadrian break; 3525278366Sadrian case WPI_RIDX_OFDM54: 3526278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 9 : 12; 3527278366Sadrian break; 3528173362Sbenjsc } 3529173362Sbenjsc 3530278366Sadrian /* Never exceed the channel maximum allowed TX power. */ 3531278366Sadrian pwr = min(pwr, sc->maxpwr[chan]); 3532173362Sbenjsc 3533278366Sadrian /* Retrieve TX power index into gain tables from samples. */ 3534278366Sadrian for (sample = group->samples; sample < &group->samples[3]; sample++) 3535278366Sadrian if (pwr > sample[1].power) 3536278366Sadrian break; 3537278366Sadrian /* Fixed-point linear interpolation using a 19-bit fractional part. */ 3538278366Sadrian idx = interpolate(pwr, sample[0].power, sample[0].index, 3539278366Sadrian sample[1].power, sample[1].index, 19); 3540173362Sbenjsc 3541278366Sadrian /*- 3542278366Sadrian * Adjust power index based on current temperature: 3543278366Sadrian * - if cooler than factory-calibrated: decrease output power 3544278366Sadrian * - if warmer than factory-calibrated: increase output power 3545278366Sadrian */ 3546278366Sadrian idx -= (sc->temp - group->temp) * 11 / 100; 3547173362Sbenjsc 3548278366Sadrian /* Decrease TX power for CCK rates (-5dB). */ 3549278366Sadrian if (ridx >= WPI_RIDX_CCK1) 3550278366Sadrian idx += 10; 3551278366Sadrian 3552278366Sadrian /* Make sure idx stays in a valid range. */ 3553278366Sadrian if (idx < 0) 3554278366Sadrian return 0; 3555278366Sadrian if (idx > WPI_MAX_PWR_INDEX) 3556278366Sadrian return WPI_MAX_PWR_INDEX; 3557278366Sadrian return idx; 3558278366Sadrian 3559278366Sadrian#undef interpolate 3560278366Sadrian#undef fdivround 3561173362Sbenjsc} 3562173362Sbenjsc 3563278366Sadrian/* 3564278366Sadrian * Set STA mode power saving level (between 0 and 5). 3565278366Sadrian * Level 0 is CAM (Continuously Aware Mode), 5 is for maximum power saving. 3566278366Sadrian */ 3567173362Sbenjscstatic int 3568278366Sadrianwpi_set_pslevel(struct wpi_softc *sc, uint8_t dtim, int level, int async) 3569173362Sbenjsc{ 3570278366Sadrian struct wpi_pmgt_cmd cmd; 3571278366Sadrian const struct wpi_pmgt *pmgt; 3572278366Sadrian uint32_t max, skip_dtim; 3573278366Sadrian uint32_t reg; 3574278366Sadrian int i; 3575278366Sadrian 3576278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 3577278366Sadrian "%s: dtim=%d, level=%d, async=%d\n", 3578278366Sadrian __func__, dtim, level, async); 3579278366Sadrian 3580278366Sadrian /* Select which PS parameters to use. */ 3581278366Sadrian if (dtim <= 10) 3582278366Sadrian pmgt = &wpi_pmgt[0][level]; 3583278366Sadrian else 3584278366Sadrian pmgt = &wpi_pmgt[1][level]; 3585278366Sadrian 3586278366Sadrian memset(&cmd, 0, sizeof cmd); 3587278366Sadrian if (level != 0) /* not CAM */ 3588278366Sadrian cmd.flags |= htole16(WPI_PS_ALLOW_SLEEP); 3589278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 3590278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 3591278366Sadrian if (!(reg & 0x1)) /* L0s Entry disabled. */ 3592278366Sadrian cmd.flags |= htole16(WPI_PS_PCI_PMGT); 3593278366Sadrian 3594278366Sadrian cmd.rxtimeout = htole32(pmgt->rxtimeout * IEEE80211_DUR_TU); 3595278366Sadrian cmd.txtimeout = htole32(pmgt->txtimeout * IEEE80211_DUR_TU); 3596278366Sadrian 3597278366Sadrian if (dtim == 0) { 3598278366Sadrian dtim = 1; 3599278366Sadrian skip_dtim = 0; 3600278366Sadrian } else 3601278366Sadrian skip_dtim = pmgt->skip_dtim; 3602278366Sadrian 3603278366Sadrian if (skip_dtim != 0) { 3604278366Sadrian cmd.flags |= htole16(WPI_PS_SLEEP_OVER_DTIM); 3605278366Sadrian max = pmgt->intval[4]; 3606278366Sadrian if (max == (uint32_t)-1) 3607278366Sadrian max = dtim * (skip_dtim + 1); 3608278366Sadrian else if (max > dtim) 3609278366Sadrian max = (max / dtim) * dtim; 3610278366Sadrian } else 3611278366Sadrian max = dtim; 3612278366Sadrian 3613278366Sadrian for (i = 0; i < 5; i++) 3614278366Sadrian cmd.intval[i] = htole32(MIN(max, pmgt->intval[i])); 3615278366Sadrian 3616278366Sadrian return wpi_cmd(sc, WPI_CMD_SET_POWER_MODE, &cmd, sizeof cmd, async); 3617278366Sadrian} 3618278366Sadrian 3619280059Sadrianstatic int 3620278366Sadrianwpi_send_btcoex(struct wpi_softc *sc) 3621278366Sadrian{ 3622278366Sadrian struct wpi_bluetooth cmd; 3623278366Sadrian 3624280059Sadrian memset(&cmd, 0, sizeof cmd); 3625280059Sadrian cmd.flags = WPI_BT_COEX_MODE_4WIRE; 3626280059Sadrian cmd.lead_time = WPI_BT_LEAD_TIME_DEF; 3627280059Sadrian cmd.max_kill = WPI_BT_MAX_KILL_DEF; 3628278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "%s: configuring bluetooth coexistence\n", 3629278366Sadrian __func__); 3630280059Sadrian return wpi_cmd(sc, WPI_CMD_BT_COEX, &cmd, sizeof(cmd), 0); 3631278366Sadrian} 3632278366Sadrian 3633278366Sadrianstatic int 3634278366Sadrianwpi_send_rxon(struct wpi_softc *sc, int assoc, int async) 3635278366Sadrian{ 3636173362Sbenjsc int error; 3637173362Sbenjsc 3638278366Sadrian if (assoc && (sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3639278366Sadrian struct wpi_assoc rxon_assoc; 3640177043Sthompsa 3641278366Sadrian rxon_assoc.flags = sc->rxon.flags; 3642278366Sadrian rxon_assoc.filter = sc->rxon.filter; 3643278366Sadrian rxon_assoc.ofdm_mask = sc->rxon.ofdm_mask; 3644278366Sadrian rxon_assoc.cck_mask = sc->rxon.cck_mask; 3645278366Sadrian rxon_assoc.reserved = 0; 3646278366Sadrian 3647278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON_ASSOC, &rxon_assoc, 3648278366Sadrian sizeof (struct wpi_assoc), async); 3649216522Sbschmidt } else { 3650280077Sadrian if (async) 3651280077Sadrian WPI_NT_LOCK(sc); 3652280077Sadrian 3653278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3654278366Sadrian sizeof (struct wpi_rxon), async); 3655280069Sadrian 3656280069Sadrian wpi_clear_node_table(sc); 3657280077Sadrian 3658280077Sadrian if (async) 3659280077Sadrian WPI_NT_UNLOCK(sc); 3660173362Sbenjsc } 3661173362Sbenjsc if (error != 0) { 3662278366Sadrian device_printf(sc->sc_dev, "RXON command failed, error %d\n", 3663278366Sadrian error); 3664173362Sbenjsc return error; 3665173362Sbenjsc } 3666173362Sbenjsc 3667278366Sadrian /* Configuration has changed, set Tx power accordingly. */ 3668278366Sadrian if ((error = wpi_set_txpower(sc, async)) != 0) { 3669278366Sadrian device_printf(sc->sc_dev, 3670278366Sadrian "%s: could not set TX power, error %d\n", __func__, error); 3671173362Sbenjsc return error; 3672173362Sbenjsc } 3673173362Sbenjsc 3674278366Sadrian if (!(sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3675278366Sadrian /* Add broadcast node. */ 3676278366Sadrian error = wpi_add_broadcast_node(sc, async); 3677278366Sadrian if (error != 0) { 3678278366Sadrian device_printf(sc->sc_dev, 3679278366Sadrian "could not add broadcast node, error %d\n", error); 3680278366Sadrian return error; 3681278366Sadrian } 3682278366Sadrian } 3683177043Sthompsa 3684278366Sadrian return 0; 3685177043Sthompsa} 3686177043Sthompsa 3687278366Sadrian/** 3688278366Sadrian * Configure the card to listen to a particular channel, this transisions the 3689278366Sadrian * card in to being able to receive frames from remote devices. 3690278366Sadrian */ 3691177043Sthompsastatic int 3692278366Sadrianwpi_config(struct wpi_softc *sc) 3693177043Sthompsa{ 3694278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3695278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3696279762Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3697278366Sadrian uint32_t flags; 3698177043Sthompsa int error; 3699177043Sthompsa 3700278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3701278366Sadrian 3702278366Sadrian /* Set power saving level to CAM during initialization. */ 3703278366Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 0)) != 0) { 3704278366Sadrian device_printf(sc->sc_dev, 3705278366Sadrian "%s: could not set power saving level\n", __func__); 3706278366Sadrian return error; 3707178354Ssam } 3708178354Ssam 3709278366Sadrian /* Configure bluetooth coexistence. */ 3710278366Sadrian if ((error = wpi_send_btcoex(sc)) != 0) { 3711278366Sadrian device_printf(sc->sc_dev, 3712278366Sadrian "could not configure bluetooth coexistence\n"); 3713278366Sadrian return error; 3714278366Sadrian } 3715177043Sthompsa 3716278366Sadrian /* Configure adapter. */ 3717278366Sadrian memset(&sc->rxon, 0, sizeof (struct wpi_rxon)); 3718279762Sadrian IEEE80211_ADDR_COPY(sc->rxon.myaddr, vap->iv_myaddr); 3719177043Sthompsa 3720278366Sadrian /* Set default channel. */ 3721278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ic->ic_curchan); 3722278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3723278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) 3724278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3725177043Sthompsa 3726278764Sadrian sc->rxon.filter = WPI_FILTER_MULTICAST; 3727278366Sadrian switch (ic->ic_opmode) { 3728278366Sadrian case IEEE80211_M_STA: 3729278366Sadrian sc->rxon.mode = WPI_MODE_STA; 3730278366Sadrian break; 3731278366Sadrian case IEEE80211_M_IBSS: 3732278366Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3733278764Sadrian sc->rxon.filter |= WPI_FILTER_BEACON; 3734278366Sadrian break; 3735278366Sadrian /* XXX workaround for passive channels selection */ 3736278366Sadrian case IEEE80211_M_AHDEMO: 3737278366Sadrian case IEEE80211_M_HOSTAP: 3738278366Sadrian sc->rxon.mode = WPI_MODE_HOSTAP; 3739278366Sadrian break; 3740278366Sadrian case IEEE80211_M_MONITOR: 3741278366Sadrian sc->rxon.mode = WPI_MODE_MONITOR; 3742278366Sadrian break; 3743278366Sadrian default: 3744280066Sadrian device_printf(sc->sc_dev, "unknown opmode %d\n", 3745280066Sadrian ic->ic_opmode); 3746278366Sadrian return EINVAL; 3747278366Sadrian } 3748278764Sadrian sc->rxon.filter = htole32(sc->rxon.filter); 3749278366Sadrian wpi_set_promisc(sc); 3750278366Sadrian sc->rxon.cck_mask = 0x0f; /* not yet negotiated */ 3751278366Sadrian sc->rxon.ofdm_mask = 0xff; /* not yet negotiated */ 3752278366Sadrian 3753278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) { 3754278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3755278366Sadrian __func__); 3756173362Sbenjsc return error; 3757173362Sbenjsc } 3758173362Sbenjsc 3759278366Sadrian /* Setup rate scalling. */ 3760278366Sadrian if ((error = wpi_mrr_setup(sc)) != 0) { 3761278366Sadrian device_printf(sc->sc_dev, "could not setup MRR, error %d\n", 3762278366Sadrian error); 3763278366Sadrian return error; 3764278366Sadrian } 3765278366Sadrian 3766278366Sadrian /* Disable beacon notifications (unused). */ 3767278366Sadrian flags = WPI_STATISTICS_BEACON_DISABLE; 3768278366Sadrian error = wpi_cmd(sc, WPI_CMD_GET_STATISTICS, &flags, sizeof flags, 1); 3769177043Sthompsa if (error != 0) { 3770278366Sadrian device_printf(sc->sc_dev, 3771278366Sadrian "could not disable beacon statistics, error %d\n", error); 3772177043Sthompsa return error; 3773177043Sthompsa } 3774173362Sbenjsc 3775278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3776177043Sthompsa 3777278366Sadrian return 0; 3778278366Sadrian} 3779177043Sthompsa 3780278366Sadrianstatic uint16_t 3781278366Sadrianwpi_get_active_dwell_time(struct wpi_softc *sc, 3782278366Sadrian struct ieee80211_channel *c, uint8_t n_probes) 3783278366Sadrian{ 3784278366Sadrian /* No channel? Default to 2GHz settings. */ 3785278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) { 3786278366Sadrian return (WPI_ACTIVE_DWELL_TIME_2GHZ + 3787278366Sadrian WPI_ACTIVE_DWELL_FACTOR_2GHZ * (n_probes + 1)); 3788278366Sadrian } 3789278366Sadrian 3790278366Sadrian /* 5GHz dwell time. */ 3791278366Sadrian return (WPI_ACTIVE_DWELL_TIME_5GHZ + 3792278366Sadrian WPI_ACTIVE_DWELL_FACTOR_5GHZ * (n_probes + 1)); 3793173362Sbenjsc} 3794173362Sbenjsc 3795173362Sbenjsc/* 3796278366Sadrian * Limit the total dwell time to 85% of the beacon interval. 3797278366Sadrian * 3798278366Sadrian * Returns the dwell time in milliseconds. 3799173362Sbenjsc */ 3800278366Sadrianstatic uint16_t 3801278366Sadrianwpi_limit_dwell(struct wpi_softc *sc, uint16_t dwell_time) 3802278366Sadrian{ 3803278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3804278366Sadrian struct ieee80211vap *vap = NULL; 3805278366Sadrian int bintval = 0; 3806278366Sadrian 3807278366Sadrian /* bintval is in TU (1.024mS) */ 3808278366Sadrian if (! TAILQ_EMPTY(&ic->ic_vaps)) { 3809278366Sadrian vap = TAILQ_FIRST(&ic->ic_vaps); 3810278366Sadrian bintval = vap->iv_bss->ni_intval; 3811278366Sadrian } 3812278366Sadrian 3813278366Sadrian /* 3814278366Sadrian * If it's non-zero, we should calculate the minimum of 3815278366Sadrian * it and the DWELL_BASE. 3816278366Sadrian * 3817278366Sadrian * XXX Yes, the math should take into account that bintval 3818278366Sadrian * is 1.024mS, not 1mS.. 3819278366Sadrian */ 3820278366Sadrian if (bintval > 0) { 3821278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "%s: bintval=%d\n", __func__, 3822278366Sadrian bintval); 3823278366Sadrian return (MIN(WPI_PASSIVE_DWELL_BASE, ((bintval * 85) / 100))); 3824278366Sadrian } 3825278366Sadrian 3826278366Sadrian /* No association context? Default. */ 3827278366Sadrian return (WPI_PASSIVE_DWELL_BASE); 3828278366Sadrian} 3829278366Sadrian 3830278366Sadrianstatic uint16_t 3831278366Sadrianwpi_get_passive_dwell_time(struct wpi_softc *sc, struct ieee80211_channel *c) 3832278366Sadrian{ 3833278366Sadrian uint16_t passive; 3834278366Sadrian 3835278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) 3836278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_2GHZ; 3837278366Sadrian else 3838278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_5GHZ; 3839278366Sadrian 3840278366Sadrian /* Clamp to the beacon interval if we're associated. */ 3841278366Sadrian return (wpi_limit_dwell(sc, passive)); 3842278366Sadrian} 3843278366Sadrian 3844278366Sadrian/* 3845278366Sadrian * Send a scan request to the firmware. 3846278366Sadrian */ 3847173362Sbenjscstatic int 3848278366Sadrianwpi_scan(struct wpi_softc *sc, struct ieee80211_channel *c) 3849173362Sbenjsc{ 3850178354Ssam struct ifnet *ifp = sc->sc_ifp; 3851178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3852177043Sthompsa struct ieee80211_scan_state *ss = ic->ic_scan; 3853279762Sadrian struct ieee80211vap *vap = ss->ss_vap; 3854173362Sbenjsc struct wpi_scan_hdr *hdr; 3855278366Sadrian struct wpi_cmd_data *tx; 3856278366Sadrian struct wpi_scan_essid *essids; 3857173362Sbenjsc struct wpi_scan_chan *chan; 3858173362Sbenjsc struct ieee80211_frame *wh; 3859173362Sbenjsc struct ieee80211_rateset *rs; 3860278366Sadrian uint16_t dwell_active, dwell_passive; 3861278366Sadrian uint8_t *buf, *frm; 3862278366Sadrian int buflen, error, i, nssid; 3863173362Sbenjsc 3864278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3865173362Sbenjsc 3866278366Sadrian /* 3867278366Sadrian * We are absolutely not allowed to send a scan command when another 3868278366Sadrian * scan command is pending. 3869278366Sadrian */ 3870278366Sadrian if (sc->sc_scan_timer) { 3871278366Sadrian device_printf(sc->sc_dev, "%s: called whilst scanning!\n", 3872278366Sadrian __func__); 3873280060Sadrian 3874280060Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3875280060Sadrian 3876278366Sadrian return (EAGAIN); 3877278366Sadrian } 3878278366Sadrian 3879278366Sadrian buf = malloc(WPI_SCAN_MAXSZ, M_DEVBUF, M_NOWAIT | M_ZERO); 3880278366Sadrian if (buf == NULL) { 3881173362Sbenjsc device_printf(sc->sc_dev, 3882278366Sadrian "%s: could not allocate buffer for scan command\n", 3883278366Sadrian __func__); 3884280060Sadrian error = ENOMEM; 3885280060Sadrian goto fail; 3886173362Sbenjsc } 3887278366Sadrian hdr = (struct wpi_scan_hdr *)buf; 3888173362Sbenjsc 3889173362Sbenjsc /* 3890278366Sadrian * Move to the next channel if no packets are received within 10 msecs 3891278366Sadrian * after sending the probe request. 3892173362Sbenjsc */ 3893278366Sadrian hdr->quiet_time = htole16(10); /* timeout in milliseconds */ 3894278366Sadrian hdr->quiet_threshold = htole16(1); /* min # of packets */ 3895278366Sadrian /* 3896278366Sadrian * Max needs to be greater than active and passive and quiet! 3897278366Sadrian * It's also in microseconds! 3898278366Sadrian */ 3899278366Sadrian hdr->max_svc = htole32(250 * IEEE80211_DUR_TU); 3900278366Sadrian hdr->pause_svc = htole32((4 << 24) | 3901278366Sadrian (100 * IEEE80211_DUR_TU)); /* Hardcode for now */ 3902278366Sadrian hdr->filter = htole32(WPI_FILTER_MULTICAST | WPI_FILTER_BEACON); 3903173362Sbenjsc 3904278366Sadrian tx = (struct wpi_cmd_data *)(hdr + 1); 3905278366Sadrian tx->flags = htole32(WPI_TX_AUTO_SEQ); 3906278366Sadrian tx->id = WPI_ID_BROADCAST; 3907278366Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 3908173362Sbenjsc 3909278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) { 3910278366Sadrian /* Send probe requests at 6Mbps. */ 3911278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_OFDM6]; 3912278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11A]; 3913173362Sbenjsc } else { 3914278366Sadrian hdr->flags = htole32(WPI_RXON_24GHZ | WPI_RXON_AUTO); 3915278366Sadrian /* Send probe requests at 1Mbps. */ 3916278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3917278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11G]; 3918173362Sbenjsc } 3919173362Sbenjsc 3920278366Sadrian essids = (struct wpi_scan_essid *)(tx + 1); 3921177043Sthompsa nssid = MIN(ss->ss_nssid, WPI_SCAN_MAX_ESSIDS); 3922178354Ssam for (i = 0; i < nssid; i++) { 3923278366Sadrian essids[i].id = IEEE80211_ELEMID_SSID; 3924278366Sadrian essids[i].len = MIN(ss->ss_ssid[i].len, IEEE80211_NWID_LEN); 3925278366Sadrian memcpy(essids[i].data, ss->ss_ssid[i].ssid, essids[i].len); 3926179957Sthompsa#ifdef WPI_DEBUG 3927278366Sadrian if (sc->sc_debug & WPI_DEBUG_SCAN) { 3928177043Sthompsa printf("Scanning Essid: "); 3929278366Sadrian ieee80211_print_essid(essids[i].data, essids[i].len); 3930177043Sthompsa printf("\n"); 3931177043Sthompsa } 3932179957Sthompsa#endif 3933173362Sbenjsc } 3934173362Sbenjsc 3935173362Sbenjsc /* 3936173362Sbenjsc * Build a probe request frame. Most of the following code is a 3937173362Sbenjsc * copy & paste of what is done in net80211. 3938173362Sbenjsc */ 3939278366Sadrian wh = (struct ieee80211_frame *)(essids + WPI_SCAN_MAX_ESSIDS); 3940173362Sbenjsc wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 3941173362Sbenjsc IEEE80211_FC0_SUBTYPE_PROBE_REQ; 3942173362Sbenjsc wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 3943173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr1, ifp->if_broadcastaddr); 3944279762Sadrian IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); 3945173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr3, ifp->if_broadcastaddr); 3946278366Sadrian *(uint16_t *)&wh->i_dur[0] = 0; /* filled by h/w */ 3947278366Sadrian *(uint16_t *)&wh->i_seq[0] = 0; /* filled by h/w */ 3948173362Sbenjsc 3949173362Sbenjsc frm = (uint8_t *)(wh + 1); 3950275966Sadrian frm = ieee80211_add_ssid(frm, NULL, 0); 3951275966Sadrian frm = ieee80211_add_rates(frm, rs); 3952278366Sadrian if (rs->rs_nrates > IEEE80211_RATE_SIZE) 3953278366Sadrian frm = ieee80211_add_xrates(frm, rs); 3954173362Sbenjsc 3955278366Sadrian /* Set length of probe request. */ 3956278366Sadrian tx->len = htole16(frm - (uint8_t *)wh); 3957173362Sbenjsc 3958173362Sbenjsc /* 3959173362Sbenjsc * Construct information about the channel that we 3960173362Sbenjsc * want to scan. The firmware expects this to be directly 3961173362Sbenjsc * after the scan probe request 3962173362Sbenjsc */ 3963173362Sbenjsc chan = (struct wpi_scan_chan *)frm; 3964278366Sadrian chan->chan = htole16(ieee80211_chan2ieee(ic, c)); 3965173362Sbenjsc chan->flags = 0; 3966278366Sadrian if (nssid) { 3967278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_DEFAULT; 3968278366Sadrian chan->flags |= WPI_CHAN_NPBREQS(nssid); 3969278366Sadrian } else 3970278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_NEVER; 3971278366Sadrian 3972278764Sadrian if (!IEEE80211_IS_CHAN_PASSIVE(c)) 3973173362Sbenjsc chan->flags |= WPI_CHAN_ACTIVE; 3974173362Sbenjsc 3975278366Sadrian /* 3976278366Sadrian * Calculate the active/passive dwell times. 3977278366Sadrian */ 3978173362Sbenjsc 3979278366Sadrian dwell_active = wpi_get_active_dwell_time(sc, c, nssid); 3980278366Sadrian dwell_passive = wpi_get_passive_dwell_time(sc, c); 3981278366Sadrian 3982278366Sadrian /* Make sure they're valid. */ 3983278366Sadrian if (dwell_passive <= dwell_active) 3984278366Sadrian dwell_passive = dwell_active + 1; 3985278366Sadrian 3986278366Sadrian chan->active = htole16(dwell_active); 3987278366Sadrian chan->passive = htole16(dwell_passive); 3988278366Sadrian 3989278366Sadrian chan->dsp_gain = 0x6e; /* Default level */ 3990278366Sadrian 3991278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) 3992278366Sadrian chan->rf_gain = 0x3b; 3993278366Sadrian else 3994278366Sadrian chan->rf_gain = 0x28; 3995278366Sadrian 3996278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "Scanning %u Passive: %d\n", 3997280059Sadrian chan->chan, IEEE80211_IS_CHAN_PASSIVE(c)); 3998278366Sadrian 3999173362Sbenjsc hdr->nchan++; 4000173362Sbenjsc chan++; 4001173362Sbenjsc 4002278366Sadrian buflen = (uint8_t *)chan - buf; 4003278366Sadrian hdr->len = htole16(buflen); 4004173362Sbenjsc 4005278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "sending scan command nchan=%d\n", 4006278366Sadrian hdr->nchan); 4007278366Sadrian error = wpi_cmd(sc, WPI_CMD_SCAN, buf, buflen, 1); 4008278366Sadrian free(buf, M_DEVBUF); 4009173362Sbenjsc 4010280060Sadrian if (error != 0) 4011280060Sadrian goto fail; 4012280060Sadrian 4013278366Sadrian sc->sc_scan_timer = 5; 4014173362Sbenjsc 4015278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4016173362Sbenjsc 4017280060Sadrian return 0; 4018280060Sadrian 4019280060Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 4020280060Sadrian 4021278366Sadrian return error; 4022278366Sadrian} 4023173362Sbenjsc 4024278366Sadrianstatic int 4025278366Sadrianwpi_auth(struct wpi_softc *sc, struct ieee80211vap *vap) 4026278366Sadrian{ 4027278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4028278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4029278366Sadrian int error; 4030173362Sbenjsc 4031278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4032278366Sadrian 4033278366Sadrian /* Update adapter configuration. */ 4034278366Sadrian sc->rxon.associd = 0; 4035278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 4036278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4037278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 4038278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4039278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 4040278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4041278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4042278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4043278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4044278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4045278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 4046278366Sadrian sc->rxon.cck_mask = 0; 4047278366Sadrian sc->rxon.ofdm_mask = 0x15; 4048278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 4049278366Sadrian sc->rxon.cck_mask = 0x03; 4050278366Sadrian sc->rxon.ofdm_mask = 0; 4051278366Sadrian } else { 4052278366Sadrian /* Assume 802.11b/g. */ 4053278366Sadrian sc->rxon.cck_mask = 0x0f; 4054278366Sadrian sc->rxon.ofdm_mask = 0x15; 4055173362Sbenjsc } 4056173362Sbenjsc 4057278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x cck %x ofdm %x\n", 4058278366Sadrian sc->rxon.chan, sc->rxon.flags, sc->rxon.cck_mask, 4059278366Sadrian sc->rxon.ofdm_mask); 4060173362Sbenjsc 4061278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4062278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4063278366Sadrian __func__); 4064278366Sadrian } 4065173362Sbenjsc 4066278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4067173362Sbenjsc 4068278366Sadrian return error; 4069173362Sbenjsc} 4070173362Sbenjsc 4071173362Sbenjscstatic int 4072280084Sadrianwpi_config_beacon(struct wpi_vap *wvp) 4073280084Sadrian{ 4074280085Sadrian struct ieee80211com *ic = wvp->wv_vap.iv_ic; 4075280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4076280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4077280084Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4078280084Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 4079280084Sadrian struct ieee80211_tim_ie *tie; 4080280084Sadrian struct mbuf *m; 4081280084Sadrian uint8_t *ptr; 4082280084Sadrian int error; 4083280084Sadrian 4084280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4085280084Sadrian 4086280086Sadrian WPI_VAP_LOCK_ASSERT(wvp); 4087280084Sadrian 4088280084Sadrian cmd->len = htole16(bcn->m->m_pkthdr.len); 4089280084Sadrian cmd->plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 4090280084Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 4091280084Sadrian 4092280084Sadrian /* XXX seems to be unused */ 4093280084Sadrian if (*(bo->bo_tim) == IEEE80211_ELEMID_TIM) { 4094280084Sadrian tie = (struct ieee80211_tim_ie *) bo->bo_tim; 4095280084Sadrian ptr = mtod(bcn->m, uint8_t *); 4096280084Sadrian 4097280084Sadrian cmd->tim = htole16(bo->bo_tim - ptr); 4098280084Sadrian cmd->timsz = tie->tim_len; 4099280084Sadrian } 4100280084Sadrian 4101280084Sadrian /* Necessary for recursion in ieee80211_beacon_update(). */ 4102280084Sadrian m = bcn->m; 4103280084Sadrian bcn->m = m_dup(m, M_NOWAIT); 4104280084Sadrian if (bcn->m == NULL) { 4105280084Sadrian device_printf(sc->sc_dev, 4106280084Sadrian "%s: could not copy beacon frame\n", __func__); 4107280084Sadrian error = ENOMEM; 4108280084Sadrian goto end; 4109280084Sadrian } 4110280084Sadrian 4111280084Sadrian if ((error = wpi_cmd2(sc, bcn)) != 0) { 4112280084Sadrian device_printf(sc->sc_dev, 4113280084Sadrian "%s: could not update beacon frame, error %d", __func__, 4114280084Sadrian error); 4115280084Sadrian } 4116280084Sadrian 4117280084Sadrian /* Restore mbuf. */ 4118280084Sadrianend: bcn->m = m; 4119280084Sadrian 4120280084Sadrian return error; 4121280084Sadrian} 4122280084Sadrian 4123280084Sadrianstatic int 4124278366Sadrianwpi_setup_beacon(struct wpi_softc *sc, struct ieee80211_node *ni) 4125173362Sbenjsc{ 4126280082Sadrian struct wpi_vap *wvp = WPI_VAP(ni->ni_vap); 4127278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4128280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4129278366Sadrian struct mbuf *m; 4130280084Sadrian int error; 4131173362Sbenjsc 4132278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4133278366Sadrian 4134278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) 4135278366Sadrian return EINVAL; 4136278366Sadrian 4137280084Sadrian m = ieee80211_beacon_alloc(ni, bo); 4138278366Sadrian if (m == NULL) { 4139278366Sadrian device_printf(sc->sc_dev, 4140278366Sadrian "%s: could not allocate beacon frame\n", __func__); 4141278366Sadrian return ENOMEM; 4142173362Sbenjsc } 4143173362Sbenjsc 4144280086Sadrian WPI_VAP_LOCK(wvp); 4145280084Sadrian if (bcn->m != NULL) 4146280084Sadrian m_freem(bcn->m); 4147278366Sadrian 4148278366Sadrian bcn->m = m; 4149278366Sadrian 4150280084Sadrian error = wpi_config_beacon(wvp); 4151280086Sadrian WPI_VAP_UNLOCK(wvp); 4152280084Sadrian 4153280084Sadrian return error; 4154278366Sadrian} 4155278366Sadrian 4156278366Sadrianstatic void 4157278366Sadrianwpi_update_beacon(struct ieee80211vap *vap, int item) 4158278366Sadrian{ 4159280057Sadrian struct wpi_softc *sc = vap->iv_ic->ic_ifp->if_softc; 4160280084Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4161280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4162280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4163278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4164280084Sadrian int mcast = 0; 4165278366Sadrian 4166280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4167280084Sadrian 4168280086Sadrian WPI_VAP_LOCK(wvp); 4169280084Sadrian if (bcn->m == NULL) { 4170280084Sadrian bcn->m = ieee80211_beacon_alloc(ni, bo); 4171280084Sadrian if (bcn->m == NULL) { 4172280084Sadrian device_printf(sc->sc_dev, 4173280084Sadrian "%s: could not allocate beacon frame\n", __func__); 4174280084Sadrian 4175280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, 4176280084Sadrian __func__); 4177280084Sadrian 4178280086Sadrian WPI_VAP_UNLOCK(wvp); 4179280084Sadrian return; 4180280084Sadrian } 4181173362Sbenjsc } 4182280086Sadrian WPI_VAP_UNLOCK(wvp); 4183280084Sadrian 4184280084Sadrian if (item == IEEE80211_BEACON_TIM) 4185280084Sadrian mcast = 1; /* TODO */ 4186280084Sadrian 4187280084Sadrian setbit(bo->bo_flags, item); 4188280084Sadrian ieee80211_beacon_update(ni, bo, bcn->m, mcast); 4189280084Sadrian 4190280086Sadrian WPI_VAP_LOCK(wvp); 4191280084Sadrian wpi_config_beacon(wvp); 4192280086Sadrian WPI_VAP_UNLOCK(wvp); 4193280084Sadrian 4194280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4195278366Sadrian} 4196173362Sbenjsc 4197280079Sadrianstatic void 4198280079Sadrianwpi_newassoc(struct ieee80211_node *ni, int isnew) 4199280079Sadrian{ 4200280079Sadrian struct ieee80211vap *vap = ni->ni_vap; 4201280079Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4202280079Sadrian struct wpi_node *wn = WPI_NODE(ni); 4203280079Sadrian int error; 4204280079Sadrian 4205280079Sadrian WPI_NT_LOCK(sc); 4206280079Sadrian 4207280079Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4208280079Sadrian 4209280079Sadrian if (vap->iv_opmode != IEEE80211_M_STA && wn->id == WPI_ID_UNDEFINED) { 4210280079Sadrian if ((error = wpi_add_ibss_node(sc, ni)) != 0) { 4211280079Sadrian device_printf(sc->sc_dev, 4212280079Sadrian "%s: could not add IBSS node, error %d\n", 4213280079Sadrian __func__, error); 4214280079Sadrian } 4215280079Sadrian } 4216280079Sadrian WPI_NT_UNLOCK(sc); 4217280079Sadrian} 4218280079Sadrian 4219278366Sadrianstatic int 4220278366Sadrianwpi_run(struct wpi_softc *sc, struct ieee80211vap *vap) 4221278366Sadrian{ 4222278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4223278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4224278366Sadrian int error; 4225278366Sadrian 4226278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4227278366Sadrian 4228278366Sadrian if (vap->iv_opmode == IEEE80211_M_MONITOR) { 4229278366Sadrian /* Link LED blinks while monitoring. */ 4230278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 5, 5); 4231278366Sadrian return 0; 4232173362Sbenjsc } 4233278366Sadrian 4234278366Sadrian /* XXX kernel panic workaround */ 4235278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) { 4236278366Sadrian device_printf(sc->sc_dev, "%s: incomplete configuration\n", 4237278366Sadrian __func__); 4238195562Srpaulo return EINVAL; 4239173362Sbenjsc } 4240278366Sadrian 4241278366Sadrian if ((error = wpi_set_timing(sc, ni)) != 0) { 4242278366Sadrian device_printf(sc->sc_dev, 4243278366Sadrian "%s: could not set timing, error %d\n", __func__, error); 4244173362Sbenjsc return error; 4245173362Sbenjsc } 4246173362Sbenjsc 4247278366Sadrian /* Update adapter configuration. */ 4248278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4249278366Sadrian sc->rxon.associd = htole16(IEEE80211_NODE_AID(ni)); 4250278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 4251278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4252278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 4253278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4254278366Sadrian /* Short preamble and slot time are negotiated when associating. */ 4255278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_SHPREAMBLE | WPI_RXON_SHSLOT); 4256278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4257278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4258278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4259278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4260278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 4261278366Sadrian sc->rxon.cck_mask = 0; 4262278366Sadrian sc->rxon.ofdm_mask = 0x15; 4263278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 4264278366Sadrian sc->rxon.cck_mask = 0x03; 4265278366Sadrian sc->rxon.ofdm_mask = 0; 4266278366Sadrian } else { 4267278366Sadrian /* Assume 802.11b/g. */ 4268278366Sadrian sc->rxon.cck_mask = 0x0f; 4269278366Sadrian sc->rxon.ofdm_mask = 0x15; 4270173362Sbenjsc } 4271278366Sadrian sc->rxon.filter |= htole32(WPI_FILTER_BSS); 4272173362Sbenjsc 4273278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x\n", 4274278366Sadrian sc->rxon.chan, sc->rxon.flags); 4275278366Sadrian 4276278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4277278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4278278366Sadrian __func__); 4279173362Sbenjsc return error; 4280173362Sbenjsc } 4281173362Sbenjsc 4282278366Sadrian if (vap->iv_opmode == IEEE80211_M_IBSS) { 4283278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 4284278366Sadrian device_printf(sc->sc_dev, 4285278366Sadrian "%s: could not setup beacon, error %d\n", __func__, 4286278366Sadrian error); 4287278366Sadrian return error; 4288278366Sadrian } 4289173362Sbenjsc } 4290173362Sbenjsc 4291278366Sadrian if (vap->iv_opmode == IEEE80211_M_STA) { 4292278366Sadrian /* Add BSS node. */ 4293280077Sadrian WPI_NT_LOCK(sc); 4294280070Sadrian error = wpi_add_sta_node(sc, ni); 4295280077Sadrian WPI_NT_UNLOCK(sc); 4296280070Sadrian if (error != 0) { 4297278366Sadrian device_printf(sc->sc_dev, 4298278366Sadrian "%s: could not add BSS node, error %d\n", __func__, 4299278366Sadrian error); 4300278366Sadrian return error; 4301278366Sadrian } 4302278366Sadrian } 4303173362Sbenjsc 4304278366Sadrian /* Link LED always on while associated. */ 4305278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 4306173362Sbenjsc 4307278366Sadrian /* Start periodic calibration timer. */ 4308278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 4309173362Sbenjsc 4310278366Sadrian /* Enable power-saving mode if requested by user. */ 4311280099Sadrian if ((vap->iv_flags & IEEE80211_F_PMGTON) && 4312280099Sadrian vap->iv_opmode != IEEE80211_M_IBSS) 4313278366Sadrian (void)wpi_set_pslevel(sc, 0, 3, 1); 4314278764Sadrian else 4315278764Sadrian (void)wpi_set_pslevel(sc, 0, 0, 1); 4316173362Sbenjsc 4317278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4318173362Sbenjsc 4319278366Sadrian return 0; 4320173362Sbenjsc} 4321173362Sbenjsc 4322173362Sbenjscstatic int 4323280088Sadrianwpi_load_key(struct ieee80211_node *ni, const struct ieee80211_key *k) 4324173362Sbenjsc{ 4325278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4326280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4327280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4328280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4329278366Sadrian struct wpi_node_info node; 4330278366Sadrian uint16_t kflags; 4331278366Sadrian int error; 4332173362Sbenjsc 4333278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4334173362Sbenjsc 4335280088Sadrian if (wpi_check_node_entry(sc, wn->id) == 0) { 4336280088Sadrian device_printf(sc->sc_dev, "%s: node does not exist\n", 4337280088Sadrian __func__); 4338280088Sadrian return 0; 4339280088Sadrian } 4340280088Sadrian 4341278366Sadrian switch (cip->ic_cipher) { 4342278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4343278366Sadrian kflags = WPI_KFLAG_CCMP; 4344278366Sadrian break; 4345280088Sadrian 4346278366Sadrian default: 4347280088Sadrian device_printf(sc->sc_dev, "%s: unknown cipher %d\n", __func__, 4348280088Sadrian cip->ic_cipher); 4349280088Sadrian return 0; 4350278366Sadrian } 4351173362Sbenjsc 4352278366Sadrian kflags |= WPI_KFLAG_KID(k->wk_keyix); 4353278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4354278366Sadrian kflags |= WPI_KFLAG_MULTICAST; 4355173362Sbenjsc 4356278366Sadrian memset(&node, 0, sizeof node); 4357278366Sadrian node.id = wn->id; 4358278366Sadrian node.control = WPI_NODE_UPDATE; 4359278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4360278366Sadrian node.kflags = htole16(kflags); 4361278366Sadrian memcpy(node.key, k->wk_key, k->wk_keylen); 4362280088Sadrianagain: 4363280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, 4364280088Sadrian "%s: setting %s key id %d for node %d (%s)\n", __func__, 4365280088Sadrian (kflags & WPI_KFLAG_MULTICAST) ? "group" : "ucast", k->wk_keyix, 4366280088Sadrian node.id, ether_sprintf(ni->ni_macaddr)); 4367173362Sbenjsc 4368278366Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4369278366Sadrian if (error != 0) { 4370278366Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4371278366Sadrian error); 4372280088Sadrian return !error; 4373173362Sbenjsc } 4374173362Sbenjsc 4375280088Sadrian if (!(kflags & WPI_KFLAG_MULTICAST) && &vap->iv_nw_keys[0] <= k && 4376280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4377280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4378280088Sadrian node.kflags = htole16(kflags); 4379280088Sadrian 4380280088Sadrian goto again; 4381280088Sadrian } 4382280088Sadrian 4383278366Sadrian return 1; 4384173362Sbenjsc} 4385173362Sbenjsc 4386280088Sadrianstatic void 4387280088Sadrianwpi_load_key_cb(void *arg, struct ieee80211_node *ni) 4388280088Sadrian{ 4389280088Sadrian const struct ieee80211_key *k = arg; 4390280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4391280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4392280088Sadrian struct wpi_node *wn = WPI_NODE(ni); 4393280088Sadrian int error; 4394280088Sadrian 4395280088Sadrian if (vap->iv_bss == ni && wn->id == WPI_ID_UNDEFINED) 4396280088Sadrian return; 4397280088Sadrian 4398280088Sadrian WPI_NT_LOCK(sc); 4399280088Sadrian error = wpi_load_key(ni, k); 4400280088Sadrian WPI_NT_UNLOCK(sc); 4401280088Sadrian 4402280088Sadrian if (error == 0) { 4403280088Sadrian device_printf(sc->sc_dev, "%s: error while setting key\n", 4404280088Sadrian __func__); 4405280088Sadrian } 4406280088Sadrian} 4407280088Sadrian 4408278366Sadrianstatic int 4409280088Sadrianwpi_set_global_keys(struct ieee80211_node *ni) 4410173362Sbenjsc{ 4411280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4412280088Sadrian struct ieee80211_key *wk = &vap->iv_nw_keys[0]; 4413280088Sadrian int error = 1; 4414280088Sadrian 4415280088Sadrian for (; wk < &vap->iv_nw_keys[IEEE80211_WEP_NKID] && error; wk++) 4416280088Sadrian if (wk->wk_keyix != IEEE80211_KEYIX_NONE) 4417280088Sadrian error = wpi_load_key(ni, wk); 4418280088Sadrian 4419280088Sadrian return !error; 4420280088Sadrian} 4421280088Sadrian 4422280088Sadrianstatic int 4423280088Sadrianwpi_del_key(struct ieee80211_node *ni, const struct ieee80211_key *k) 4424280088Sadrian{ 4425280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4426280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4427280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4428278366Sadrian struct wpi_node_info node; 4429280088Sadrian uint16_t kflags; 4430280088Sadrian int error; 4431173362Sbenjsc 4432278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4433173362Sbenjsc 4434280088Sadrian if (wpi_check_node_entry(sc, wn->id) == 0) { 4435280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: node was removed\n", __func__); 4436280088Sadrian return 1; /* Nothing to do. */ 4437278366Sadrian } 4438173362Sbenjsc 4439280088Sadrian kflags = WPI_KFLAG_KID(k->wk_keyix); 4440280088Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4441280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4442173362Sbenjsc 4443278366Sadrian memset(&node, 0, sizeof node); 4444278366Sadrian node.id = wn->id; 4445278366Sadrian node.control = WPI_NODE_UPDATE; 4446278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4447280088Sadrian node.kflags = htole16(kflags); 4448280088Sadrianagain: 4449280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: deleting %s key %d for node %d (%s)\n", 4450280088Sadrian __func__, (kflags & WPI_KFLAG_MULTICAST) ? "group" : "ucast", 4451280088Sadrian k->wk_keyix, node.id, ether_sprintf(ni->ni_macaddr)); 4452173362Sbenjsc 4453280088Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4454280088Sadrian if (error != 0) { 4455280088Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4456280088Sadrian error); 4457280088Sadrian return !error; 4458280088Sadrian } 4459173362Sbenjsc 4460280088Sadrian if (!(kflags & WPI_KFLAG_MULTICAST) && &vap->iv_nw_keys[0] <= k && 4461280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4462280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4463280088Sadrian node.kflags = htole16(kflags); 4464280088Sadrian 4465280088Sadrian goto again; 4466280088Sadrian } 4467280088Sadrian 4468278366Sadrian return 1; 4469173362Sbenjsc} 4470173362Sbenjsc 4471280088Sadrianstatic void 4472280088Sadrianwpi_del_key_cb(void *arg, struct ieee80211_node *ni) 4473280088Sadrian{ 4474280088Sadrian const struct ieee80211_key *k = arg; 4475280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4476280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4477280088Sadrian struct wpi_node *wn = WPI_NODE(ni); 4478280088Sadrian int error; 4479280088Sadrian 4480280088Sadrian if (vap->iv_bss == ni && wn->id == WPI_ID_UNDEFINED) 4481280088Sadrian return; 4482280088Sadrian 4483280088Sadrian WPI_NT_LOCK(sc); 4484280088Sadrian error = wpi_del_key(ni, k); 4485280088Sadrian WPI_NT_UNLOCK(sc); 4486280088Sadrian 4487280088Sadrian if (error == 0) { 4488280088Sadrian device_printf(sc->sc_dev, "%s: error while deleting key\n", 4489280088Sadrian __func__); 4490280088Sadrian } 4491280088Sadrian} 4492280088Sadrian 4493280088Sadrianstatic int 4494280088Sadrianwpi_process_key(struct ieee80211vap *vap, const struct ieee80211_key *k, 4495280088Sadrian int set) 4496280088Sadrian{ 4497280088Sadrian struct ieee80211com *ic = vap->iv_ic; 4498280088Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4499280088Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4500280088Sadrian struct ieee80211_node *ni; 4501280088Sadrian int error, ni_ref = 0; 4502280088Sadrian 4503280088Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4504280088Sadrian 4505280088Sadrian if (k->wk_flags & IEEE80211_KEY_SWCRYPT) { 4506280088Sadrian /* Not for us. */ 4507280088Sadrian return 1; 4508280088Sadrian } 4509280088Sadrian 4510280088Sadrian if (!(k->wk_flags & IEEE80211_KEY_RECV)) { 4511280088Sadrian /* XMIT keys are handled in wpi_tx_data(). */ 4512280088Sadrian return 1; 4513280088Sadrian } 4514280088Sadrian 4515280088Sadrian /* Handle group keys. */ 4516280088Sadrian if (&vap->iv_nw_keys[0] <= k && 4517280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4518280088Sadrian WPI_NT_LOCK(sc); 4519280088Sadrian if (set) 4520280088Sadrian wvp->wv_gtk |= WPI_VAP_KEY(k->wk_keyix); 4521280088Sadrian else 4522280088Sadrian wvp->wv_gtk &= ~WPI_VAP_KEY(k->wk_keyix); 4523280088Sadrian WPI_NT_UNLOCK(sc); 4524280088Sadrian 4525280088Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 4526280088Sadrian ieee80211_iterate_nodes(&ic->ic_sta, 4527280088Sadrian set ? wpi_load_key_cb : wpi_del_key_cb, (void *)k); 4528280088Sadrian } 4529280088Sadrian 4530280088Sadrian return 1; 4531280088Sadrian } 4532280088Sadrian 4533280088Sadrian switch (vap->iv_opmode) { 4534280088Sadrian case IEEE80211_M_STA: 4535280088Sadrian ni = vap->iv_bss; 4536280088Sadrian break; 4537280088Sadrian 4538280088Sadrian case IEEE80211_M_IBSS: 4539280088Sadrian case IEEE80211_M_AHDEMO: 4540280088Sadrian ni = ieee80211_find_vap_node(&ic->ic_sta, vap, k->wk_macaddr); 4541280088Sadrian if (ni == NULL) 4542280088Sadrian return 0; /* should not happen */ 4543280088Sadrian 4544280088Sadrian ni_ref = 1; 4545280088Sadrian break; 4546280088Sadrian 4547280088Sadrian default: 4548280088Sadrian device_printf(sc->sc_dev, "%s: unknown opmode %d\n", __func__, 4549280088Sadrian vap->iv_opmode); 4550280088Sadrian return 0; 4551280088Sadrian } 4552280088Sadrian 4553280088Sadrian WPI_NT_LOCK(sc); 4554280088Sadrian if (set) 4555280088Sadrian error = wpi_load_key(ni, k); 4556280088Sadrian else 4557280088Sadrian error = wpi_del_key(ni, k); 4558280088Sadrian WPI_NT_UNLOCK(sc); 4559280088Sadrian 4560280088Sadrian if (ni_ref) 4561280088Sadrian ieee80211_node_decref(ni); 4562280088Sadrian 4563280088Sadrian return error; 4564280088Sadrian} 4565280088Sadrian 4566280088Sadrianstatic int 4567280088Sadrianwpi_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k, 4568280088Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 4569280088Sadrian{ 4570280088Sadrian return wpi_process_key(vap, k, 1); 4571280088Sadrian} 4572280088Sadrian 4573280088Sadrianstatic int 4574280088Sadrianwpi_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 4575280088Sadrian{ 4576280088Sadrian return wpi_process_key(vap, k, 0); 4577280088Sadrian} 4578280088Sadrian 4579278366Sadrian/* 4580278366Sadrian * This function is called after the runtime firmware notifies us of its 4581278366Sadrian * readiness (called in a process context). 4582278366Sadrian */ 4583278366Sadrianstatic int 4584278366Sadrianwpi_post_alive(struct wpi_softc *sc) 4585177043Sthompsa{ 4586278366Sadrian int ntries, error; 4587177043Sthompsa 4588278366Sadrian /* Check (again) that the radio is not disabled. */ 4589278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4590278366Sadrian return error; 4591177043Sthompsa 4592278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4593278366Sadrian 4594278366Sadrian /* NB: Runtime firmware must be up and running. */ 4595278366Sadrian if (!(wpi_prph_read(sc, WPI_APMG_RFKILL) & 1)) { 4596278366Sadrian device_printf(sc->sc_dev, 4597278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4598278366Sadrian wpi_nic_unlock(sc); 4599278366Sadrian return EPERM; /* :-) */ 4600278366Sadrian } 4601278366Sadrian wpi_nic_unlock(sc); 4602278366Sadrian 4603278366Sadrian /* Wait for thermal sensor to calibrate. */ 4604177043Sthompsa for (ntries = 0; ntries < 1000; ntries++) { 4605278366Sadrian if ((sc->temp = (int)WPI_READ(sc, WPI_UCODE_GP2)) != 0) 4606177043Sthompsa break; 4607177043Sthompsa DELAY(10); 4608177043Sthompsa } 4609177043Sthompsa 4610177043Sthompsa if (ntries == 1000) { 4611177043Sthompsa device_printf(sc->sc_dev, 4612278366Sadrian "timeout waiting for thermal sensor calibration\n"); 4613280059Sadrian return ETIMEDOUT; 4614280059Sadrian } 4615177043Sthompsa 4616280059Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d\n", sc->temp); 4617280059Sadrian return 0; 4618278366Sadrian} 4619177043Sthompsa 4620278366Sadrian/* 4621278366Sadrian * The firmware boot code is small and is intended to be copied directly into 4622278366Sadrian * the NIC internal memory (no DMA transfer). 4623278366Sadrian */ 4624278366Sadrianstatic int 4625278366Sadrianwpi_load_bootcode(struct wpi_softc *sc, const uint8_t *ucode, int size) 4626278366Sadrian{ 4627278366Sadrian int error, ntries; 4628177043Sthompsa 4629278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, "Loading microcode size 0x%x\n", size); 4630278366Sadrian 4631278366Sadrian size /= sizeof (uint32_t); 4632278366Sadrian 4633278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4634278366Sadrian return error; 4635278366Sadrian 4636278366Sadrian /* Copy microcode image into NIC memory. */ 4637278366Sadrian wpi_prph_write_region_4(sc, WPI_BSM_SRAM_BASE, 4638278366Sadrian (const uint32_t *)ucode, size); 4639278366Sadrian 4640278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_SRC, 0); 4641278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_DST, WPI_FW_TEXT_BASE); 4642278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_DWCOUNT, size); 4643278366Sadrian 4644278366Sadrian /* Start boot load now. */ 4645278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START); 4646278366Sadrian 4647278366Sadrian /* Wait for transfer to complete. */ 4648278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 4649278366Sadrian uint32_t status = WPI_READ(sc, WPI_FH_TX_STATUS); 4650278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4651278366Sadrian "firmware status=0x%x, val=0x%x, result=0x%x\n", status, 4652278366Sadrian WPI_FH_TX_STATUS_IDLE(6), 4653278366Sadrian status & WPI_FH_TX_STATUS_IDLE(6)); 4654278366Sadrian if (status & WPI_FH_TX_STATUS_IDLE(6)) { 4655278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4656278366Sadrian "Status Match! - ntries = %d\n", ntries); 4657278366Sadrian break; 4658178354Ssam } 4659278366Sadrian DELAY(10); 4660177043Sthompsa } 4661278366Sadrian if (ntries == 1000) { 4662278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4663278366Sadrian __func__); 4664278366Sadrian wpi_nic_unlock(sc); 4665278366Sadrian return ETIMEDOUT; 4666278366Sadrian } 4667177043Sthompsa 4668278366Sadrian /* Enable boot after power up. */ 4669278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START_EN); 4670278366Sadrian 4671278366Sadrian wpi_nic_unlock(sc); 4672278366Sadrian return 0; 4673177043Sthompsa} 4674177043Sthompsa 4675278366Sadrianstatic int 4676278366Sadrianwpi_load_firmware(struct wpi_softc *sc) 4677177043Sthompsa{ 4678278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4679278366Sadrian struct wpi_dma_info *dma = &sc->fw_dma; 4680278366Sadrian int error; 4681173362Sbenjsc 4682278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4683173362Sbenjsc 4684278366Sadrian /* Copy initialization sections into pre-allocated DMA-safe memory. */ 4685278366Sadrian memcpy(dma->vaddr, fw->init.data, fw->init.datasz); 4686278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4687278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->init.text, fw->init.textsz); 4688278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4689173362Sbenjsc 4690278366Sadrian /* Tell adapter where to find initialization sections. */ 4691278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4692278366Sadrian return error; 4693278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4694278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->init.datasz); 4695278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4696278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4697278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, fw->init.textsz); 4698278366Sadrian wpi_nic_unlock(sc); 4699173362Sbenjsc 4700278366Sadrian /* Load firmware boot code. */ 4701278366Sadrian error = wpi_load_bootcode(sc, fw->boot.text, fw->boot.textsz); 4702278366Sadrian if (error != 0) { 4703278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4704278366Sadrian __func__); 4705278366Sadrian return error; 4706278366Sadrian } 4707173362Sbenjsc 4708278366Sadrian /* Now press "execute". */ 4709278366Sadrian WPI_WRITE(sc, WPI_RESET, 0); 4710173362Sbenjsc 4711278366Sadrian /* Wait at most one second for first alive notification. */ 4712280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4713278366Sadrian device_printf(sc->sc_dev, 4714278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4715278366Sadrian __func__, error); 4716278366Sadrian return error; 4717173362Sbenjsc } 4718173362Sbenjsc 4719278366Sadrian /* Copy runtime sections into pre-allocated DMA-safe memory. */ 4720278366Sadrian memcpy(dma->vaddr, fw->main.data, fw->main.datasz); 4721278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4722278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->main.text, fw->main.textsz); 4723278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4724173362Sbenjsc 4725278366Sadrian /* Tell adapter where to find runtime sections. */ 4726278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4727278366Sadrian return error; 4728278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4729278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->main.datasz); 4730278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4731278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4732278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, 4733278366Sadrian WPI_FW_UPDATED | fw->main.textsz); 4734278366Sadrian wpi_nic_unlock(sc); 4735173362Sbenjsc 4736278366Sadrian return 0; 4737278366Sadrian} 4738173362Sbenjsc 4739278366Sadrianstatic int 4740278366Sadrianwpi_read_firmware(struct wpi_softc *sc) 4741278366Sadrian{ 4742278366Sadrian const struct firmware *fp; 4743278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4744278366Sadrian const struct wpi_firmware_hdr *hdr; 4745278366Sadrian int error; 4746173362Sbenjsc 4747278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4748278366Sadrian 4749278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4750278366Sadrian "Attempting Loading Firmware from %s module\n", WPI_FW_NAME); 4751278366Sadrian 4752278366Sadrian WPI_UNLOCK(sc); 4753278366Sadrian fp = firmware_get(WPI_FW_NAME); 4754278366Sadrian WPI_LOCK(sc); 4755278366Sadrian 4756278366Sadrian if (fp == NULL) { 4757278366Sadrian device_printf(sc->sc_dev, 4758278366Sadrian "could not load firmware image '%s'\n", WPI_FW_NAME); 4759278366Sadrian return EINVAL; 4760173362Sbenjsc } 4761173362Sbenjsc 4762278366Sadrian sc->fw_fp = fp; 4763173362Sbenjsc 4764278366Sadrian if (fp->datasize < sizeof (struct wpi_firmware_hdr)) { 4765278366Sadrian device_printf(sc->sc_dev, 4766278366Sadrian "firmware file too short: %zu bytes\n", fp->datasize); 4767278366Sadrian error = EINVAL; 4768278366Sadrian goto fail; 4769173362Sbenjsc } 4770173362Sbenjsc 4771278366Sadrian fw->size = fp->datasize; 4772278366Sadrian fw->data = (const uint8_t *)fp->data; 4773278366Sadrian 4774278366Sadrian /* Extract firmware header information. */ 4775278366Sadrian hdr = (const struct wpi_firmware_hdr *)fw->data; 4776278366Sadrian 4777278366Sadrian /* | RUNTIME FIRMWARE | INIT FIRMWARE | BOOT FW | 4778278366Sadrian |HDR|<--TEXT-->|<--DATA-->|<--TEXT-->|<--DATA-->|<--TEXT-->| */ 4779278366Sadrian 4780278366Sadrian fw->main.textsz = le32toh(hdr->rtextsz); 4781278366Sadrian fw->main.datasz = le32toh(hdr->rdatasz); 4782278366Sadrian fw->init.textsz = le32toh(hdr->itextsz); 4783278366Sadrian fw->init.datasz = le32toh(hdr->idatasz); 4784278366Sadrian fw->boot.textsz = le32toh(hdr->btextsz); 4785278366Sadrian fw->boot.datasz = 0; 4786278366Sadrian 4787278366Sadrian /* Sanity-check firmware header. */ 4788278366Sadrian if (fw->main.textsz > WPI_FW_TEXT_MAXSZ || 4789278366Sadrian fw->main.datasz > WPI_FW_DATA_MAXSZ || 4790278366Sadrian fw->init.textsz > WPI_FW_TEXT_MAXSZ || 4791278366Sadrian fw->init.datasz > WPI_FW_DATA_MAXSZ || 4792278366Sadrian fw->boot.textsz > WPI_FW_BOOT_TEXT_MAXSZ || 4793278366Sadrian (fw->boot.textsz & 3) != 0) { 4794278366Sadrian device_printf(sc->sc_dev, "invalid firmware header\n"); 4795278366Sadrian error = EINVAL; 4796278366Sadrian goto fail; 4797173362Sbenjsc } 4798173362Sbenjsc 4799278366Sadrian /* Check that all firmware sections fit. */ 4800278366Sadrian if (fw->size < sizeof (*hdr) + fw->main.textsz + fw->main.datasz + 4801278366Sadrian fw->init.textsz + fw->init.datasz + fw->boot.textsz) { 4802173362Sbenjsc device_printf(sc->sc_dev, 4803278366Sadrian "firmware file too short: %zu bytes\n", fw->size); 4804278366Sadrian error = EINVAL; 4805278366Sadrian goto fail; 4806173362Sbenjsc } 4807173362Sbenjsc 4808278366Sadrian /* Get pointers to firmware sections. */ 4809278366Sadrian fw->main.text = (const uint8_t *)(hdr + 1); 4810278366Sadrian fw->main.data = fw->main.text + fw->main.textsz; 4811278366Sadrian fw->init.text = fw->main.data + fw->main.datasz; 4812278366Sadrian fw->init.data = fw->init.text + fw->init.textsz; 4813278366Sadrian fw->boot.text = fw->init.data + fw->init.datasz; 4814177043Sthompsa 4815278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4816278366Sadrian "Firmware Version: Major %d, Minor %d, Driver %d, \n" 4817280066Sadrian "runtime (text: %u, data: %u) init (text: %u, data %u) " 4818280066Sadrian "boot (text %u)\n", hdr->major, hdr->minor, le32toh(hdr->driver), 4819278366Sadrian fw->main.textsz, fw->main.datasz, 4820278366Sadrian fw->init.textsz, fw->init.datasz, fw->boot.textsz); 4821278366Sadrian 4822278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.text %p\n", fw->main.text); 4823278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.data %p\n", fw->main.data); 4824278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.text %p\n", fw->init.text); 4825278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.data %p\n", fw->init.data); 4826278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->boot.text %p\n", fw->boot.text); 4827278366Sadrian 4828278366Sadrian return 0; 4829278366Sadrian 4830278366Sadrianfail: wpi_unload_firmware(sc); 4831278366Sadrian return error; 4832173362Sbenjsc} 4833173362Sbenjsc 4834278366Sadrian/** 4835278366Sadrian * Free the referenced firmware image 4836278366Sadrian */ 4837173362Sbenjscstatic void 4838278366Sadrianwpi_unload_firmware(struct wpi_softc *sc) 4839173362Sbenjsc{ 4840278366Sadrian if (sc->fw_fp != NULL) { 4841278366Sadrian firmware_put(sc->fw_fp, FIRMWARE_UNLOAD); 4842278366Sadrian sc->fw_fp = NULL; 4843278366Sadrian } 4844278366Sadrian} 4845173362Sbenjsc 4846278366Sadrianstatic int 4847278366Sadrianwpi_clock_wait(struct wpi_softc *sc) 4848278366Sadrian{ 4849278366Sadrian int ntries; 4850173362Sbenjsc 4851278366Sadrian /* Set "initialization complete" bit. */ 4852278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4853278366Sadrian 4854278366Sadrian /* Wait for clock stabilization. */ 4855278366Sadrian for (ntries = 0; ntries < 2500; ntries++) { 4856278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_MAC_CLOCK_READY) 4857278366Sadrian return 0; 4858278366Sadrian DELAY(100); 4859278366Sadrian } 4860278366Sadrian device_printf(sc->sc_dev, 4861278366Sadrian "%s: timeout waiting for clock stabilization\n", __func__); 4862278366Sadrian 4863278366Sadrian return ETIMEDOUT; 4864173362Sbenjsc} 4865178354Ssam 4866278366Sadrianstatic int 4867278366Sadrianwpi_apm_init(struct wpi_softc *sc) 4868173362Sbenjsc{ 4869278366Sadrian uint32_t reg; 4870278366Sadrian int error; 4871173362Sbenjsc 4872278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4873173362Sbenjsc 4874278366Sadrian /* Disable L0s exit timer (NMI bug workaround). */ 4875278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_DIS_L0S_TIMER); 4876278366Sadrian /* Don't wait for ICH L0s (ICH bug workaround). */ 4877278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_L1A_NO_L0S_RX); 4878173362Sbenjsc 4879278366Sadrian /* Set FH wait threshold to max (HW bug under stress workaround). */ 4880278366Sadrian WPI_SETBITS(sc, WPI_DBG_HPET_MEM, 0xffff0000); 4881173362Sbenjsc 4882280098Sadrian /* Cleanup. */ 4883280098Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 0x00000400); 4884280098Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, 0x00000E00); 4885280098Sadrian 4886278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 4887278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 4888278366Sadrian /* Workaround for HW instability in PCIe L0->L0s->L1 transition. */ 4889278366Sadrian if (reg & 0x02) /* L1 Entry enabled. */ 4890278366Sadrian WPI_SETBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4891278366Sadrian else 4892278366Sadrian WPI_CLRBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4893173362Sbenjsc 4894278366Sadrian WPI_SETBITS(sc, WPI_ANA_PLL, WPI_ANA_PLL_INIT); 4895173362Sbenjsc 4896278366Sadrian /* Wait for clock stabilization before accessing prph. */ 4897278366Sadrian if ((error = wpi_clock_wait(sc)) != 0) 4898278366Sadrian return error; 4899173362Sbenjsc 4900278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4901278366Sadrian return error; 4902278366Sadrian /* Enable DMA and BSM (Bootstrap State Machine). */ 4903278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_EN, 4904278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT | WPI_APMG_CLK_CTRL_BSM_CLK_RQT); 4905278366Sadrian DELAY(20); 4906278366Sadrian /* Disable L1-Active. */ 4907278366Sadrian wpi_prph_setbits(sc, WPI_APMG_PCI_STT, WPI_APMG_PCI_STT_L1A_DIS); 4908278366Sadrian wpi_nic_unlock(sc); 4909173362Sbenjsc 4910278366Sadrian return 0; 4911278366Sadrian} 4912173362Sbenjsc 4913278366Sadrianstatic void 4914278366Sadrianwpi_apm_stop_master(struct wpi_softc *sc) 4915278366Sadrian{ 4916278366Sadrian int ntries; 4917278366Sadrian 4918278366Sadrian /* Stop busmaster DMA activity. */ 4919278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_STOP_MASTER); 4920278366Sadrian 4921278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_PS_MASK) == 4922278366Sadrian WPI_GP_CNTRL_MAC_PS) 4923278366Sadrian return; /* Already asleep. */ 4924278366Sadrian 4925278366Sadrian for (ntries = 0; ntries < 100; ntries++) { 4926278366Sadrian if (WPI_READ(sc, WPI_RESET) & WPI_RESET_MASTER_DISABLED) 4927278366Sadrian return; 4928278366Sadrian DELAY(10); 4929278366Sadrian } 4930280066Sadrian device_printf(sc->sc_dev, "%s: timeout waiting for master\n", 4931280066Sadrian __func__); 4932173362Sbenjsc} 4933173362Sbenjsc 4934173362Sbenjscstatic void 4935278366Sadrianwpi_apm_stop(struct wpi_softc *sc) 4936173362Sbenjsc{ 4937278366Sadrian wpi_apm_stop_master(sc); 4938278366Sadrian 4939278366Sadrian /* Reset the entire device. */ 4940278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_SW); 4941278366Sadrian DELAY(10); 4942278366Sadrian /* Clear "initialization complete" bit. */ 4943278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4944173362Sbenjsc} 4945173362Sbenjsc 4946173362Sbenjscstatic void 4947278366Sadrianwpi_nic_config(struct wpi_softc *sc) 4948173362Sbenjsc{ 4949278366Sadrian uint32_t rev; 4950173362Sbenjsc 4951278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4952177043Sthompsa 4953278366Sadrian /* voodoo from the Linux "driver".. */ 4954278366Sadrian rev = pci_read_config(sc->sc_dev, PCIR_REVID, 1); 4955278366Sadrian if ((rev & 0xc0) == 0x40) 4956278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MB); 4957278366Sadrian else if (!(rev & 0x80)) 4958278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MM); 4959173362Sbenjsc 4960278366Sadrian if (sc->cap == 0x80) 4961278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_SKU_MRC); 4962173362Sbenjsc 4963280076Sadrian if ((sc->rev & 0xf0) == 0xd0) 4964278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4965278366Sadrian else 4966278366Sadrian WPI_CLRBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4967278366Sadrian 4968278366Sadrian if (sc->type > 1) 4969278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_TYPE_B); 4970173362Sbenjsc} 4971173362Sbenjsc 4972278366Sadrianstatic int 4973278366Sadrianwpi_hw_init(struct wpi_softc *sc) 4974173362Sbenjsc{ 4975278366Sadrian int chnl, ntries, error; 4976178354Ssam 4977278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4978278366Sadrian 4979278366Sadrian /* Clear pending interrupts. */ 4980278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4981278366Sadrian 4982278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 4983278366Sadrian device_printf(sc->sc_dev, 4984278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 4985278366Sadrian error); 4986278366Sadrian return error; 4987173362Sbenjsc } 4988173362Sbenjsc 4989278366Sadrian /* Select VMAIN power source. */ 4990278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4991278366Sadrian return error; 4992278366Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, WPI_APMG_PS_PWR_SRC_MASK); 4993278366Sadrian wpi_nic_unlock(sc); 4994278366Sadrian /* Spin until VMAIN gets selected. */ 4995278366Sadrian for (ntries = 0; ntries < 5000; ntries++) { 4996278366Sadrian if (WPI_READ(sc, WPI_GPIO_IN) & WPI_GPIO_IN_VMAIN) 4997278366Sadrian break; 4998278366Sadrian DELAY(10); 4999278366Sadrian } 5000278366Sadrian if (ntries == 5000) { 5001278366Sadrian device_printf(sc->sc_dev, "timeout selecting power source\n"); 5002278366Sadrian return ETIMEDOUT; 5003278366Sadrian } 5004173362Sbenjsc 5005278366Sadrian /* Perform adapter initialization. */ 5006278366Sadrian wpi_nic_config(sc); 5007173362Sbenjsc 5008278366Sadrian /* Initialize RX ring. */ 5009278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5010278366Sadrian return error; 5011278366Sadrian /* Set physical address of RX ring. */ 5012278366Sadrian WPI_WRITE(sc, WPI_FH_RX_BASE, sc->rxq.desc_dma.paddr); 5013278366Sadrian /* Set physical address of RX read pointer. */ 5014278366Sadrian WPI_WRITE(sc, WPI_FH_RX_RPTR_ADDR, sc->shared_dma.paddr + 5015278366Sadrian offsetof(struct wpi_shared, next)); 5016278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, 0); 5017278366Sadrian /* Enable RX. */ 5018278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 5019278366Sadrian WPI_FH_RX_CONFIG_DMA_ENA | 5020278366Sadrian WPI_FH_RX_CONFIG_RDRBD_ENA | 5021278366Sadrian WPI_FH_RX_CONFIG_WRSTATUS_ENA | 5022278366Sadrian WPI_FH_RX_CONFIG_MAXFRAG | 5023278366Sadrian WPI_FH_RX_CONFIG_NRBD(WPI_RX_RING_COUNT_LOG) | 5024278366Sadrian WPI_FH_RX_CONFIG_IRQ_DST_HOST | 5025278366Sadrian WPI_FH_RX_CONFIG_IRQ_TIMEOUT(1)); 5026278366Sadrian (void)WPI_READ(sc, WPI_FH_RSSR_TBL); /* barrier */ 5027278366Sadrian wpi_nic_unlock(sc); 5028278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, (WPI_RX_RING_COUNT - 1) & ~7); 5029173362Sbenjsc 5030278366Sadrian /* Initialize TX rings. */ 5031278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5032278366Sadrian return error; 5033278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 2); /* bypass mode */ 5034278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_ARASTAT, 1); /* enable RA0 */ 5035278366Sadrian /* Enable all 6 TX rings. */ 5036278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0x3f); 5037278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE1, 0x10000); 5038278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE2, 0x30002); 5039278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF4MF, 4); 5040278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF5MF, 5); 5041278366Sadrian /* Set physical address of TX rings. */ 5042278366Sadrian WPI_WRITE(sc, WPI_FH_TX_BASE, sc->shared_dma.paddr); 5043278366Sadrian WPI_WRITE(sc, WPI_FH_MSG_CONFIG, 0xffff05a5); 5044278366Sadrian 5045278366Sadrian /* Enable all DMA channels. */ 5046278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 5047278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_CTRL(chnl), 0); 5048278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_BASE(chnl), 0); 5049278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0x80200008); 5050173362Sbenjsc } 5051278366Sadrian wpi_nic_unlock(sc); 5052278366Sadrian (void)WPI_READ(sc, WPI_FH_TX_BASE); /* barrier */ 5053278366Sadrian 5054278366Sadrian /* Clear "radio off" and "commands blocked" bits. */ 5055278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5056278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_CMD_BLOCKED); 5057278366Sadrian 5058278366Sadrian /* Clear pending interrupts. */ 5059278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5060278366Sadrian /* Enable interrupts. */ 5061278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 5062278366Sadrian 5063278366Sadrian /* _Really_ make sure "radio off" bit is cleared! */ 5064278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5065278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5066278366Sadrian 5067278366Sadrian if ((error = wpi_load_firmware(sc)) != 0) { 5068278366Sadrian device_printf(sc->sc_dev, 5069278366Sadrian "%s: could not load firmware, error %d\n", __func__, 5070278366Sadrian error); 5071278366Sadrian return error; 5072278366Sadrian } 5073278366Sadrian /* Wait at most one second for firmware alive notification. */ 5074280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 5075278366Sadrian device_printf(sc->sc_dev, 5076278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 5077278366Sadrian __func__, error); 5078278366Sadrian return error; 5079278366Sadrian } 5080278366Sadrian 5081278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 5082278366Sadrian 5083278366Sadrian /* Do post-firmware initialization. */ 5084278366Sadrian return wpi_post_alive(sc); 5085173362Sbenjsc} 5086173362Sbenjsc 5087173362Sbenjscstatic void 5088278366Sadrianwpi_hw_stop(struct wpi_softc *sc) 5089173362Sbenjsc{ 5090278366Sadrian int chnl, qid, ntries; 5091173362Sbenjsc 5092278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5093173362Sbenjsc 5094278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) 5095278366Sadrian wpi_nic_lock(sc); 5096173362Sbenjsc 5097278366Sadrian WPI_WRITE(sc, WPI_RESET, WPI_RESET_NEVO); 5098173362Sbenjsc 5099278366Sadrian /* Disable interrupts. */ 5100278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 5101278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5102278366Sadrian WPI_WRITE(sc, WPI_FH_INT, 0xffffffff); 5103173362Sbenjsc 5104278366Sadrian /* Make sure we no longer hold the NIC lock. */ 5105278366Sadrian wpi_nic_unlock(sc); 5106173362Sbenjsc 5107278366Sadrian if (wpi_nic_lock(sc) == 0) { 5108278366Sadrian /* Stop TX scheduler. */ 5109278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 0); 5110278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0); 5111179957Sthompsa 5112278366Sadrian /* Stop all DMA channels. */ 5113278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 5114278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0); 5115278366Sadrian for (ntries = 0; ntries < 200; ntries++) { 5116278366Sadrian if (WPI_READ(sc, WPI_FH_TX_STATUS) & 5117278366Sadrian WPI_FH_TX_STATUS_IDLE(chnl)) 5118278366Sadrian break; 5119278366Sadrian DELAY(10); 5120278366Sadrian } 5121173362Sbenjsc } 5122278366Sadrian wpi_nic_unlock(sc); 5123278366Sadrian } 5124173362Sbenjsc 5125278366Sadrian /* Stop RX ring. */ 5126278366Sadrian wpi_reset_rx_ring(sc); 5127173362Sbenjsc 5128278366Sadrian /* Reset all TX rings. */ 5129278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 5130278366Sadrian wpi_reset_tx_ring(sc, &sc->txq[qid]); 5131173362Sbenjsc 5132278366Sadrian if (wpi_nic_lock(sc) == 0) { 5133278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 5134278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT); 5135278366Sadrian wpi_nic_unlock(sc); 5136173362Sbenjsc } 5137278366Sadrian DELAY(5); 5138278366Sadrian /* Power OFF adapter. */ 5139278366Sadrian wpi_apm_stop(sc); 5140173362Sbenjsc} 5141173362Sbenjsc 5142173362Sbenjscstatic void 5143278366Sadrianwpi_radio_on(void *arg0, int pending) 5144173362Sbenjsc{ 5145278366Sadrian struct wpi_softc *sc = arg0; 5146278366Sadrian struct ifnet *ifp = sc->sc_ifp; 5147278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 5148278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5149173362Sbenjsc 5150278366Sadrian device_printf(sc->sc_dev, "RF switch: radio enabled\n"); 5151173362Sbenjsc 5152278366Sadrian if (vap != NULL) { 5153278366Sadrian wpi_init(sc); 5154278366Sadrian ieee80211_init(vap); 5155278366Sadrian } 5156173362Sbenjsc 5157278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL) { 5158278366Sadrian WPI_LOCK(sc); 5159278366Sadrian callout_stop(&sc->watchdog_rfkill); 5160278366Sadrian WPI_UNLOCK(sc); 5161173362Sbenjsc } 5162173362Sbenjsc} 5163173362Sbenjsc 5164278366Sadrianstatic void 5165278366Sadrianwpi_radio_off(void *arg0, int pending) 5166173362Sbenjsc{ 5167278366Sadrian struct wpi_softc *sc = arg0; 5168178354Ssam struct ifnet *ifp = sc->sc_ifp; 5169178354Ssam struct ieee80211com *ic = ifp->if_l2com; 5170278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5171173362Sbenjsc 5172278366Sadrian device_printf(sc->sc_dev, "RF switch: radio disabled\n"); 5173173362Sbenjsc 5174278366Sadrian wpi_stop(sc); 5175278366Sadrian if (vap != NULL) 5176278366Sadrian ieee80211_stop(vap); 5177173362Sbenjsc 5178280053Sadrian WPI_LOCK(sc); 5179278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, sc); 5180280053Sadrian WPI_UNLOCK(sc); 5181278366Sadrian} 5182173362Sbenjsc 5183278366Sadrianstatic void 5184280096Sadrianwpi_init(void *arg) 5185278366Sadrian{ 5186280096Sadrian struct wpi_softc *sc = arg; 5187278366Sadrian struct ifnet *ifp = sc->sc_ifp; 5188280096Sadrian struct ieee80211com *ic = ifp->if_l2com; 5189278366Sadrian int error; 5190173362Sbenjsc 5191280096Sadrian WPI_LOCK(sc); 5192280096Sadrian 5193278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 5194173362Sbenjsc 5195280096Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) 5196280096Sadrian goto end; 5197278366Sadrian 5198278366Sadrian /* Check that the radio is not disabled by hardware switch. */ 5199278366Sadrian if (!(WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL)) { 5200278366Sadrian device_printf(sc->sc_dev, 5201278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 5202278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 5203278366Sadrian sc); 5204280096Sadrian goto end; 5205173362Sbenjsc } 5206173362Sbenjsc 5207278366Sadrian /* Read firmware images from the filesystem. */ 5208278366Sadrian if ((error = wpi_read_firmware(sc)) != 0) { 5209278366Sadrian device_printf(sc->sc_dev, 5210278366Sadrian "%s: could not read firmware, error %d\n", __func__, 5211278366Sadrian error); 5212278366Sadrian goto fail; 5213278366Sadrian } 5214173362Sbenjsc 5215278366Sadrian /* Initialize hardware and upload firmware. */ 5216278366Sadrian error = wpi_hw_init(sc); 5217278366Sadrian wpi_unload_firmware(sc); 5218278366Sadrian if (error != 0) { 5219278366Sadrian device_printf(sc->sc_dev, 5220278366Sadrian "%s: could not initialize hardware, error %d\n", __func__, 5221278366Sadrian error); 5222278366Sadrian goto fail; 5223278366Sadrian } 5224173362Sbenjsc 5225278366Sadrian /* Configure adapter now that it is ready. */ 5226280071Sadrian sc->txq_active = 1; 5227278366Sadrian if ((error = wpi_config(sc)) != 0) { 5228278366Sadrian device_printf(sc->sc_dev, 5229278366Sadrian "%s: could not configure device, error %d\n", __func__, 5230278366Sadrian error); 5231278366Sadrian goto fail; 5232278366Sadrian } 5233173362Sbenjsc 5234280097Sadrian IF_LOCK(&ifp->if_snd); 5235278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 5236278366Sadrian ifp->if_drv_flags |= IFF_DRV_RUNNING; 5237280097Sadrian IF_UNLOCK(&ifp->if_snd); 5238173362Sbenjsc 5239278366Sadrian callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 5240173362Sbenjsc 5241278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 5242173362Sbenjsc 5243280096Sadrian WPI_UNLOCK(sc); 5244280096Sadrian 5245280096Sadrian ieee80211_start_all(ic); 5246280096Sadrian 5247278366Sadrian return; 5248173362Sbenjsc 5249278366Sadrianfail: wpi_stop_locked(sc); 5250280096Sadrianend: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 5251278366Sadrian WPI_UNLOCK(sc); 5252278366Sadrian} 5253173362Sbenjsc 5254278366Sadrianstatic void 5255278366Sadrianwpi_stop_locked(struct wpi_softc *sc) 5256278366Sadrian{ 5257278366Sadrian struct ifnet *ifp = sc->sc_ifp; 5258173362Sbenjsc 5259278366Sadrian WPI_LOCK_ASSERT(sc); 5260278366Sadrian 5261280071Sadrian WPI_TXQ_LOCK(sc); 5262280071Sadrian sc->txq_active = 0; 5263280071Sadrian WPI_TXQ_UNLOCK(sc); 5264280071Sadrian 5265278366Sadrian sc->sc_scan_timer = 0; 5266278366Sadrian sc->sc_tx_timer = 0; 5267278366Sadrian callout_stop(&sc->watchdog_to); 5268278366Sadrian callout_stop(&sc->calib_to); 5269280097Sadrian 5270280097Sadrian IF_LOCK(&ifp->if_snd); 5271278366Sadrian ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 5272280097Sadrian IF_UNLOCK(&ifp->if_snd); 5273278366Sadrian 5274278366Sadrian /* Power OFF hardware. */ 5275278366Sadrian wpi_hw_stop(sc); 5276173362Sbenjsc} 5277173362Sbenjsc 5278278366Sadrianstatic void 5279278366Sadrianwpi_stop(struct wpi_softc *sc) 5280278366Sadrian{ 5281278366Sadrian WPI_LOCK(sc); 5282278366Sadrian wpi_stop_locked(sc); 5283278366Sadrian WPI_UNLOCK(sc); 5284278366Sadrian} 5285278366Sadrian 5286278366Sadrian/* 5287278366Sadrian * Callback from net80211 to start a scan. 5288173362Sbenjsc */ 5289173362Sbenjscstatic void 5290173362Sbenjscwpi_scan_start(struct ieee80211com *ic) 5291173362Sbenjsc{ 5292280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 5293173362Sbenjsc 5294191746Sthompsa wpi_set_led(sc, WPI_LED_LINK, 20, 2); 5295173362Sbenjsc} 5296173362Sbenjsc 5297278366Sadrian/* 5298278366Sadrian * Callback from net80211 to terminate a scan. 5299173362Sbenjsc */ 5300173362Sbenjscstatic void 5301173362Sbenjscwpi_scan_end(struct ieee80211com *ic) 5302173362Sbenjsc{ 5303278366Sadrian struct ifnet *ifp = ic->ic_ifp; 5304278366Sadrian struct wpi_softc *sc = ifp->if_softc; 5305278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5306278366Sadrian 5307280073Sadrian if (vap->iv_state == IEEE80211_S_RUN) 5308278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 5309173362Sbenjsc} 5310173362Sbenjsc 5311173362Sbenjsc/** 5312173362Sbenjsc * Called by the net80211 framework to indicate to the driver 5313173362Sbenjsc * that the channel should be changed 5314173362Sbenjsc */ 5315173362Sbenjscstatic void 5316173362Sbenjscwpi_set_channel(struct ieee80211com *ic) 5317173362Sbenjsc{ 5318278366Sadrian const struct ieee80211_channel *c = ic->ic_curchan; 5319173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 5320173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 5321191746Sthompsa int error; 5322173362Sbenjsc 5323278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5324278366Sadrian 5325278366Sadrian WPI_LOCK(sc); 5326278366Sadrian sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq); 5327278366Sadrian sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags); 5328278366Sadrian sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq); 5329278366Sadrian sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags); 5330278366Sadrian 5331177043Sthompsa /* 5332177043Sthompsa * Only need to set the channel in Monitor mode. AP scanning and auth 5333177043Sthompsa * are already taken care of by their respective firmware commands. 5334177043Sthompsa */ 5335191746Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 5336278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 5337278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) { 5338278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | 5339278366Sadrian WPI_RXON_24GHZ); 5340278366Sadrian } else { 5341278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_AUTO | 5342278366Sadrian WPI_RXON_24GHZ); 5343278366Sadrian } 5344278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) 5345191746Sthompsa device_printf(sc->sc_dev, 5346278366Sadrian "%s: error %d settting channel\n", __func__, 5347278366Sadrian error); 5348191746Sthompsa } 5349278366Sadrian WPI_UNLOCK(sc); 5350173362Sbenjsc} 5351173362Sbenjsc 5352173362Sbenjsc/** 5353173362Sbenjsc * Called by net80211 to indicate that we need to scan the current 5354173362Sbenjsc * channel. The channel is previously be set via the wpi_set_channel 5355173362Sbenjsc * callback. 5356173362Sbenjsc */ 5357173362Sbenjscstatic void 5358178354Ssamwpi_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 5359173362Sbenjsc{ 5360178354Ssam struct ieee80211vap *vap = ss->ss_vap; 5361278366Sadrian struct ieee80211com *ic = vap->iv_ic; 5362280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 5363278366Sadrian int error; 5364173362Sbenjsc 5365278366Sadrian if (sc->rxon.chan != ieee80211_chan2ieee(ic, ic->ic_curchan)) { 5366278366Sadrian WPI_LOCK(sc); 5367278366Sadrian error = wpi_scan(sc, ic->ic_curchan); 5368278366Sadrian WPI_UNLOCK(sc); 5369278366Sadrian if (error != 0) 5370278366Sadrian ieee80211_cancel_scan(vap); 5371278366Sadrian } else { 5372278366Sadrian /* Send probe request when associated. */ 5373278366Sadrian sc->sc_scan_curchan(ss, maxdwell); 5374278366Sadrian } 5375173362Sbenjsc} 5376173362Sbenjsc 5377173362Sbenjsc/** 5378173362Sbenjsc * Called by the net80211 framework to indicate 5379173362Sbenjsc * the minimum dwell time has been met, terminate the scan. 5380173362Sbenjsc * We don't actually terminate the scan as the firmware will notify 5381173362Sbenjsc * us when it's finished and we have no way to interrupt it. 5382173362Sbenjsc */ 5383173362Sbenjscstatic void 5384178354Ssamwpi_scan_mindwell(struct ieee80211_scan_state *ss) 5385173362Sbenjsc{ 5386173362Sbenjsc /* NB: don't try to abort scan; wait for firmware to finish */ 5387173362Sbenjsc} 5388173362Sbenjsc 5389173362Sbenjscstatic void 5390278366Sadrianwpi_hw_reset(void *arg, int pending) 5391173362Sbenjsc{ 5392191746Sthompsa struct wpi_softc *sc = arg; 5393177043Sthompsa struct ifnet *ifp = sc->sc_ifp; 5394191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 5395278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5396173362Sbenjsc 5397278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5398173362Sbenjsc 5399278366Sadrian wpi_stop(sc); 5400278366Sadrian if (vap != NULL) 5401278366Sadrian ieee80211_stop(vap); 5402278366Sadrian wpi_init(sc); 5403278366Sadrian if (vap != NULL) 5404278366Sadrian ieee80211_init(vap); 5405173362Sbenjsc} 5406