if_wpi.c revision 282396
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 282396 2015-05-03 23:35:44Z 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 *); 201280078Sadrianstatic void wpi_start_task(void *, int); 202278366Sadrianstatic void wpi_watchdog_rfkill(void *); 203280106Sadrianstatic void wpi_scan_timeout(void *); 204280109Sadrianstatic void wpi_tx_timeout(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 *, 221281287Sadrian struct wpi_power_group *, uint8_t, int, 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 *); 231282383Sadrianstatic uint32_t wpi_get_scan_pause_time(uint32_t, uint16_t); 232278366Sadrianstatic int wpi_scan(struct wpi_softc *, struct ieee80211_channel *); 233278366Sadrianstatic int wpi_auth(struct wpi_softc *, struct ieee80211vap *); 234280084Sadrianstatic int wpi_config_beacon(struct wpi_vap *); 235280084Sadrianstatic int wpi_setup_beacon(struct wpi_softc *, struct ieee80211_node *); 236278366Sadrianstatic void wpi_update_beacon(struct ieee80211vap *, int); 237280079Sadrianstatic void wpi_newassoc(struct ieee80211_node *, int); 238178354Ssamstatic int wpi_run(struct wpi_softc *, struct ieee80211vap *); 239280088Sadrianstatic int wpi_load_key(struct ieee80211_node *, 240280088Sadrian const struct ieee80211_key *); 241280088Sadrianstatic void wpi_load_key_cb(void *, struct ieee80211_node *); 242280088Sadrianstatic int wpi_set_global_keys(struct ieee80211_node *); 243280088Sadrianstatic int wpi_del_key(struct ieee80211_node *, 244280088Sadrian const struct ieee80211_key *); 245280088Sadrianstatic void wpi_del_key_cb(void *, struct ieee80211_node *); 246280088Sadrianstatic int wpi_process_key(struct ieee80211vap *, 247280088Sadrian const struct ieee80211_key *, int); 248278366Sadrianstatic int wpi_key_set(struct ieee80211vap *, 249278366Sadrian const struct ieee80211_key *, 250278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 251278366Sadrianstatic int wpi_key_delete(struct ieee80211vap *, 252278366Sadrian const struct ieee80211_key *); 253278366Sadrianstatic int wpi_post_alive(struct wpi_softc *); 254278366Sadrianstatic int wpi_load_bootcode(struct wpi_softc *, const uint8_t *, int); 255278366Sadrianstatic int wpi_load_firmware(struct wpi_softc *); 256278366Sadrianstatic int wpi_read_firmware(struct wpi_softc *); 257278366Sadrianstatic void wpi_unload_firmware(struct wpi_softc *); 258278366Sadrianstatic int wpi_clock_wait(struct wpi_softc *); 259278366Sadrianstatic int wpi_apm_init(struct wpi_softc *); 260278366Sadrianstatic void wpi_apm_stop_master(struct wpi_softc *); 261278366Sadrianstatic void wpi_apm_stop(struct wpi_softc *); 262278366Sadrianstatic void wpi_nic_config(struct wpi_softc *); 263278366Sadrianstatic int wpi_hw_init(struct wpi_softc *); 264278366Sadrianstatic void wpi_hw_stop(struct wpi_softc *); 265278366Sadrianstatic void wpi_radio_on(void *, int); 266278366Sadrianstatic void wpi_radio_off(void *, int); 267173362Sbenjscstatic void wpi_init(void *); 268278366Sadrianstatic void wpi_stop_locked(struct wpi_softc *); 269173362Sbenjscstatic void wpi_stop(struct wpi_softc *); 270278366Sadrianstatic void wpi_scan_start(struct ieee80211com *); 271278366Sadrianstatic void wpi_scan_end(struct ieee80211com *); 272278366Sadrianstatic void wpi_set_channel(struct ieee80211com *); 273278366Sadrianstatic void wpi_scan_curchan(struct ieee80211_scan_state *, unsigned long); 274278366Sadrianstatic void wpi_scan_mindwell(struct ieee80211_scan_state *); 275278366Sadrianstatic void wpi_hw_reset(void *, int); 276173362Sbenjsc 277173362Sbenjscstatic device_method_t wpi_methods[] = { 278173362Sbenjsc /* Device interface */ 279173362Sbenjsc DEVMETHOD(device_probe, wpi_probe), 280173362Sbenjsc DEVMETHOD(device_attach, wpi_attach), 281173362Sbenjsc DEVMETHOD(device_detach, wpi_detach), 282173362Sbenjsc DEVMETHOD(device_shutdown, wpi_shutdown), 283173362Sbenjsc DEVMETHOD(device_suspend, wpi_suspend), 284173362Sbenjsc DEVMETHOD(device_resume, wpi_resume), 285173362Sbenjsc 286260064Smarius DEVMETHOD_END 287173362Sbenjsc}; 288173362Sbenjsc 289173362Sbenjscstatic driver_t wpi_driver = { 290173362Sbenjsc "wpi", 291173362Sbenjsc wpi_methods, 292173362Sbenjsc sizeof (struct wpi_softc) 293173362Sbenjsc}; 294173362Sbenjscstatic devclass_t wpi_devclass; 295173362Sbenjsc 296260064SmariusDRIVER_MODULE(wpi, pci, wpi_driver, wpi_devclass, NULL, NULL); 297173362Sbenjsc 298222543SbschmidtMODULE_VERSION(wpi, 1); 299222543Sbschmidt 300278366SadrianMODULE_DEPEND(wpi, pci, 1, 1, 1); 301278366SadrianMODULE_DEPEND(wpi, wlan, 1, 1, 1); 302278366SadrianMODULE_DEPEND(wpi, firmware, 1, 1, 1); 303260064Smarius 304173362Sbenjscstatic int 305173362Sbenjscwpi_probe(device_t dev) 306173362Sbenjsc{ 307173362Sbenjsc const struct wpi_ident *ident; 308173362Sbenjsc 309173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 310173362Sbenjsc if (pci_get_vendor(dev) == ident->vendor && 311173362Sbenjsc pci_get_device(dev) == ident->device) { 312173362Sbenjsc device_set_desc(dev, ident->name); 313260064Smarius return (BUS_PROBE_DEFAULT); 314173362Sbenjsc } 315173362Sbenjsc } 316173362Sbenjsc return ENXIO; 317173362Sbenjsc} 318173362Sbenjsc 319173362Sbenjscstatic int 320173362Sbenjscwpi_attach(device_t dev) 321173362Sbenjsc{ 322278366Sadrian struct wpi_softc *sc = (struct wpi_softc *)device_get_softc(dev); 323278366Sadrian struct ieee80211com *ic; 324173362Sbenjsc struct ifnet *ifp; 325280061Sadrian int i, error, rid; 326280061Sadrian#ifdef WPI_DEBUG 327280061Sadrian int supportsa = 1; 328173362Sbenjsc const struct wpi_ident *ident; 329280061Sadrian#endif 330190526Ssam uint8_t macaddr[IEEE80211_ADDR_LEN]; 331173362Sbenjsc 332173362Sbenjsc sc->sc_dev = dev; 333173362Sbenjsc 334280059Sadrian#ifdef WPI_DEBUG 335278366Sadrian error = resource_int_value(device_get_name(sc->sc_dev), 336278366Sadrian device_get_unit(sc->sc_dev), "debug", &(sc->sc_debug)); 337278366Sadrian if (error != 0) 338278366Sadrian sc->sc_debug = 0; 339278366Sadrian#else 340278366Sadrian sc->sc_debug = 0; 341278366Sadrian#endif 342173362Sbenjsc 343278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 344278366Sadrian 345173362Sbenjsc /* 346278366Sadrian * Get the offset of the PCI Express Capability Structure in PCI 347278366Sadrian * Configuration Space. 348278366Sadrian */ 349278366Sadrian error = pci_find_cap(dev, PCIY_EXPRESS, &sc->sc_cap_off); 350278366Sadrian if (error != 0) { 351278366Sadrian device_printf(dev, "PCIe capability structure not found!\n"); 352278366Sadrian return error; 353278366Sadrian } 354278366Sadrian 355278366Sadrian /* 356173362Sbenjsc * Some card's only support 802.11b/g not a, check to see if 357173362Sbenjsc * this is one such card. A 0x0 in the subdevice table indicates 358173362Sbenjsc * the entire subdevice range is to be ignored. 359173362Sbenjsc */ 360280061Sadrian#ifdef WPI_DEBUG 361173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 362173362Sbenjsc if (ident->subdevice && 363173362Sbenjsc pci_get_subdevice(dev) == ident->subdevice) { 364173362Sbenjsc supportsa = 0; 365173362Sbenjsc break; 366173362Sbenjsc } 367173362Sbenjsc } 368280061Sadrian#endif 369173362Sbenjsc 370278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 371173362Sbenjsc pci_write_config(dev, 0x41, 0, 1); 372173362Sbenjsc 373278366Sadrian /* Enable bus-mastering. */ 374173362Sbenjsc pci_enable_busmaster(dev); 375173362Sbenjsc 376260064Smarius rid = PCIR_BAR(0); 377260064Smarius sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 378173362Sbenjsc RF_ACTIVE); 379173362Sbenjsc if (sc->mem == NULL) { 380278366Sadrian device_printf(dev, "can't map mem space\n"); 381280091Sadrian return ENOMEM; 382173362Sbenjsc } 383173362Sbenjsc sc->sc_st = rman_get_bustag(sc->mem); 384173362Sbenjsc sc->sc_sh = rman_get_bushandle(sc->mem); 385173362Sbenjsc 386278366Sadrian i = 1; 387260064Smarius rid = 0; 388278366Sadrian if (pci_alloc_msi(dev, &i) == 0) 389278366Sadrian rid = 1; 390278366Sadrian /* Install interrupt handler. */ 391278366Sadrian sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | 392278366Sadrian (rid != 0 ? 0 : RF_SHAREABLE)); 393173362Sbenjsc if (sc->irq == NULL) { 394278366Sadrian device_printf(dev, "can't map interrupt\n"); 395173362Sbenjsc error = ENOMEM; 396173362Sbenjsc goto fail; 397173362Sbenjsc } 398173362Sbenjsc 399278366Sadrian WPI_LOCK_INIT(sc); 400280113Sadrian WPI_TX_LOCK_INIT(sc); 401280108Sadrian WPI_RXON_LOCK_INIT(sc); 402280077Sadrian WPI_NT_LOCK_INIT(sc); 403280071Sadrian WPI_TXQ_LOCK_INIT(sc); 404280112Sadrian WPI_TXQ_STATE_LOCK_INIT(sc); 405278366Sadrian 406278366Sadrian /* Allocate DMA memory for firmware transfers. */ 407173362Sbenjsc if ((error = wpi_alloc_fwmem(sc)) != 0) { 408278366Sadrian device_printf(dev, 409278366Sadrian "could not allocate memory for firmware, error %d\n", 410278366Sadrian error); 411173362Sbenjsc goto fail; 412173362Sbenjsc } 413173362Sbenjsc 414278366Sadrian /* Allocate shared page. */ 415173362Sbenjsc if ((error = wpi_alloc_shared(sc)) != 0) { 416173362Sbenjsc device_printf(dev, "could not allocate shared page\n"); 417173362Sbenjsc goto fail; 418173362Sbenjsc } 419173362Sbenjsc 420278366Sadrian /* Allocate TX rings - 4 for QoS purposes, 1 for commands. */ 421278366Sadrian for (i = 0; i < WPI_NTXQUEUES; i++) { 422278366Sadrian if ((error = wpi_alloc_tx_ring(sc, &sc->txq[i], i)) != 0) { 423278366Sadrian device_printf(dev, 424278366Sadrian "could not allocate TX ring %d, error %d\n", i, 425278366Sadrian error); 426278366Sadrian goto fail; 427173362Sbenjsc } 428173362Sbenjsc } 429173362Sbenjsc 430278366Sadrian /* Allocate RX ring. */ 431278366Sadrian if ((error = wpi_alloc_rx_ring(sc)) != 0) { 432278366Sadrian device_printf(dev, "could not allocate RX ring, error %d\n", 433278366Sadrian error); 434173362Sbenjsc goto fail; 435173362Sbenjsc } 436173362Sbenjsc 437278366Sadrian /* Clear pending interrupts. */ 438278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 439173362Sbenjsc 440178354Ssam ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 441173362Sbenjsc if (ifp == NULL) { 442278366Sadrian device_printf(dev, "can not allocate ifnet structure\n"); 443173362Sbenjsc goto fail; 444173362Sbenjsc } 445278366Sadrian 446178354Ssam ic = ifp->if_l2com; 447173362Sbenjsc ic->ic_ifp = ifp; 448178354Ssam ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 449178354Ssam ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 450173362Sbenjsc 451278366Sadrian /* Set device capabilities. */ 452173362Sbenjsc ic->ic_caps = 453178957Ssam IEEE80211_C_STA /* station mode supported */ 454278366Sadrian | IEEE80211_C_IBSS /* IBSS mode supported */ 455280105Sadrian | IEEE80211_C_HOSTAP /* Host access point mode */ 456178957Ssam | IEEE80211_C_MONITOR /* monitor mode supported */ 457278366Sadrian | IEEE80211_C_AHDEMO /* adhoc demo mode */ 458278366Sadrian | IEEE80211_C_BGSCAN /* capable of bg scanning */ 459173362Sbenjsc | IEEE80211_C_TXPMGT /* tx power management */ 460173362Sbenjsc | IEEE80211_C_SHSLOT /* short slot time supported */ 461278366Sadrian | IEEE80211_C_WPA /* 802.11i */ 462173362Sbenjsc | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 463278366Sadrian | IEEE80211_C_WME /* 802.11e */ 464278366Sadrian | IEEE80211_C_PMGT /* Station-side power mgmt */ 465173362Sbenjsc ; 466173362Sbenjsc 467278366Sadrian ic->ic_cryptocaps = 468278366Sadrian IEEE80211_CRYPTO_AES_CCM; 469278366Sadrian 470173362Sbenjsc /* 471173362Sbenjsc * Read in the eeprom and also setup the channels for 472173362Sbenjsc * net80211. We don't set the rates as net80211 does this for us 473173362Sbenjsc */ 474278366Sadrian if ((error = wpi_read_eeprom(sc, macaddr)) != 0) { 475278366Sadrian device_printf(dev, "could not read EEPROM, error %d\n", 476278366Sadrian error); 477278366Sadrian goto fail; 478280059Sadrian } 479173362Sbenjsc 480280059Sadrian#ifdef WPI_DEBUG 481278366Sadrian if (bootverbose) { 482280059Sadrian device_printf(sc->sc_dev, "Regulatory Domain: %.4s\n", 483280059Sadrian sc->domain); 484280059Sadrian device_printf(sc->sc_dev, "Hardware Type: %c\n", 485280059Sadrian sc->type > 1 ? 'B': '?'); 486280059Sadrian device_printf(sc->sc_dev, "Hardware Revision: %c\n", 487280076Sadrian ((sc->rev & 0xf0) == 0xd0) ? 'D': '?'); 488280059Sadrian device_printf(sc->sc_dev, "SKU %s support 802.11a\n", 489280059Sadrian supportsa ? "does" : "does not"); 490173362Sbenjsc 491280059Sadrian /* XXX hw_config uses the PCIDEV for the Hardware rev. Must 492280059Sadrian check what sc->rev really represents - benjsc 20070615 */ 493173362Sbenjsc } 494278366Sadrian#endif 495173362Sbenjsc 496173362Sbenjsc if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 497173362Sbenjsc ifp->if_softc = sc; 498173362Sbenjsc ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 499173362Sbenjsc ifp->if_init = wpi_init; 500173362Sbenjsc ifp->if_ioctl = wpi_ioctl; 501173362Sbenjsc ifp->if_start = wpi_start; 502207554Ssobomax IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 503207554Ssobomax ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 504173362Sbenjsc IFQ_SET_READY(&ifp->if_snd); 505178354Ssam 506190526Ssam ieee80211_ifattach(ic, macaddr); 507278366Sadrian ic->ic_vap_create = wpi_vap_create; 508278366Sadrian ic->ic_vap_delete = wpi_vap_delete; 509178354Ssam ic->ic_raw_xmit = wpi_raw_xmit; 510278366Sadrian ic->ic_node_alloc = wpi_node_alloc; 511278366Sadrian sc->sc_node_free = ic->ic_node_free; 512278366Sadrian ic->ic_node_free = wpi_node_free; 513278366Sadrian ic->ic_wme.wme_update = wpi_updateedca; 514278366Sadrian ic->ic_update_promisc = wpi_update_promisc; 515278366Sadrian ic->ic_update_mcast = wpi_update_mcast; 516280079Sadrian ic->ic_newassoc = wpi_newassoc; 517173362Sbenjsc ic->ic_scan_start = wpi_scan_start; 518173362Sbenjsc ic->ic_scan_end = wpi_scan_end; 519173362Sbenjsc ic->ic_set_channel = wpi_set_channel; 520173362Sbenjsc ic->ic_scan_curchan = wpi_scan_curchan; 521173362Sbenjsc ic->ic_scan_mindwell = wpi_scan_mindwell; 522278366Sadrian ic->ic_setregdomain = wpi_setregdomain; 523173362Sbenjsc 524278366Sadrian wpi_radiotap_attach(sc); 525173362Sbenjsc 526280108Sadrian callout_init_mtx(&sc->calib_to, &sc->rxon_mtx, 0); 527280108Sadrian callout_init_mtx(&sc->scan_timeout, &sc->rxon_mtx, 0); 528280112Sadrian callout_init_mtx(&sc->tx_timeout, &sc->txq_state_mtx, 0); 529278366Sadrian callout_init_mtx(&sc->watchdog_rfkill, &sc->sc_mtx, 0); 530278366Sadrian TASK_INIT(&sc->sc_reinittask, 0, wpi_hw_reset, sc); 531278366Sadrian TASK_INIT(&sc->sc_radiooff_task, 0, wpi_radio_off, sc); 532278366Sadrian TASK_INIT(&sc->sc_radioon_task, 0, wpi_radio_on, sc); 533280078Sadrian TASK_INIT(&sc->sc_start_task, 0, wpi_start_task, sc); 534173362Sbenjsc 535280120Sadrian sc->sc_tq = taskqueue_create("wpi_taskq", M_WAITOK, 536280120Sadrian taskqueue_thread_enqueue, &sc->sc_tq); 537280120Sadrian error = taskqueue_start_threads(&sc->sc_tq, 1, 0, "wpi_taskq"); 538280120Sadrian if (error != 0) { 539280120Sadrian device_printf(dev, "can't start threads, error %d\n", error); 540280120Sadrian goto fail; 541280120Sadrian } 542280120Sadrian 543278366Sadrian wpi_sysctlattach(sc); 544278366Sadrian 545173362Sbenjsc /* 546173362Sbenjsc * Hook our interrupt after all initialization is complete. 547173362Sbenjsc */ 548278366Sadrian error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 549177043Sthompsa NULL, wpi_intr, sc, &sc->sc_ih); 550173362Sbenjsc if (error != 0) { 551278366Sadrian device_printf(dev, "can't establish interrupt, error %d\n", 552278366Sadrian error); 553173362Sbenjsc goto fail; 554173362Sbenjsc } 555173362Sbenjsc 556177043Sthompsa if (bootverbose) 557177043Sthompsa ieee80211_announce(ic); 558278366Sadrian 559278366Sadrian#ifdef WPI_DEBUG 560278366Sadrian if (sc->sc_debug & WPI_DEBUG_HW) 561278366Sadrian ieee80211_announce_channels(ic); 562173362Sbenjsc#endif 563278366Sadrian 564278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 565173362Sbenjsc return 0; 566173362Sbenjsc 567173362Sbenjscfail: wpi_detach(dev); 568278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 569278366Sadrian return error; 570173362Sbenjsc} 571173362Sbenjsc 572278366Sadrian/* 573278366Sadrian * Attach the interface to 802.11 radiotap. 574278366Sadrian */ 575278366Sadrianstatic void 576278366Sadrianwpi_radiotap_attach(struct wpi_softc *sc) 577278366Sadrian{ 578278366Sadrian struct ifnet *ifp = sc->sc_ifp; 579278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 580278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 581278366Sadrian ieee80211_radiotap_attach(ic, 582278366Sadrian &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 583278366Sadrian WPI_TX_RADIOTAP_PRESENT, 584278366Sadrian &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 585278366Sadrian WPI_RX_RADIOTAP_PRESENT); 586278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 587278366Sadrian} 588278366Sadrian 589278366Sadrianstatic void 590278366Sadrianwpi_sysctlattach(struct wpi_softc *sc) 591278366Sadrian{ 592280059Sadrian#ifdef WPI_DEBUG 593278366Sadrian struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 594278366Sadrian struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 595278366Sadrian 596278366Sadrian SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 597278366Sadrian "debug", CTLFLAG_RW, &sc->sc_debug, sc->sc_debug, 598278366Sadrian "control debugging printfs"); 599278366Sadrian#endif 600278366Sadrian} 601278366Sadrian 602280083Sadrianstatic void 603280083Sadrianwpi_init_beacon(struct wpi_vap *wvp) 604280083Sadrian{ 605280083Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 606280083Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 607280083Sadrian 608280083Sadrian cmd->id = WPI_ID_BROADCAST; 609280083Sadrian cmd->ofdm_mask = 0xff; 610280083Sadrian cmd->cck_mask = 0x0f; 611280083Sadrian cmd->lifetime = htole32(WPI_LIFETIME_INFINITE); 612280083Sadrian 613282394Sadrian /* 614282394Sadrian * XXX WPI_TX_AUTO_SEQ seems to be ignored - workaround this issue 615282394Sadrian * XXX by using WPI_TX_NEED_ACK instead (with some side effects). 616282394Sadrian */ 617282394Sadrian cmd->flags = htole32(WPI_TX_NEED_ACK | WPI_TX_INSERT_TSTAMP); 618282394Sadrian 619280083Sadrian bcn->code = WPI_CMD_SET_BEACON; 620280083Sadrian bcn->ac = WPI_CMD_QUEUE_NUM; 621280083Sadrian bcn->size = sizeof(struct wpi_cmd_beacon); 622280083Sadrian} 623280083Sadrian 624278366Sadrianstatic struct ieee80211vap * 625278366Sadrianwpi_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 626278366Sadrian enum ieee80211_opmode opmode, int flags, 627278366Sadrian const uint8_t bssid[IEEE80211_ADDR_LEN], 628278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 629278366Sadrian{ 630278366Sadrian struct wpi_vap *wvp; 631278366Sadrian struct ieee80211vap *vap; 632278366Sadrian 633278366Sadrian if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 634278366Sadrian return NULL; 635278366Sadrian 636278366Sadrian wvp = (struct wpi_vap *) malloc(sizeof(struct wpi_vap), 637278366Sadrian M_80211_VAP, M_NOWAIT | M_ZERO); 638278366Sadrian if (wvp == NULL) 639278366Sadrian return NULL; 640280085Sadrian vap = &wvp->wv_vap; 641278366Sadrian ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 642278366Sadrian 643280105Sadrian if (opmode == IEEE80211_M_IBSS || opmode == IEEE80211_M_HOSTAP) { 644280086Sadrian WPI_VAP_LOCK_INIT(wvp); 645280083Sadrian wpi_init_beacon(wvp); 646280086Sadrian } 647280083Sadrian 648278366Sadrian /* Override with driver methods. */ 649278366Sadrian vap->iv_key_set = wpi_key_set; 650278366Sadrian vap->iv_key_delete = wpi_key_delete; 651280085Sadrian wvp->wv_newstate = vap->iv_newstate; 652278366Sadrian vap->iv_newstate = wpi_newstate; 653278366Sadrian vap->iv_update_beacon = wpi_update_beacon; 654280105Sadrian vap->iv_max_aid = WPI_ID_IBSS_MAX - WPI_ID_IBSS_MIN + 1; 655278366Sadrian 656278366Sadrian ieee80211_ratectl_init(vap); 657278366Sadrian /* Complete setup. */ 658280066Sadrian ieee80211_vap_attach(vap, ieee80211_media_change, 659280066Sadrian ieee80211_media_status); 660278366Sadrian ic->ic_opmode = opmode; 661278366Sadrian return vap; 662278366Sadrian} 663278366Sadrian 664278366Sadrianstatic void 665278366Sadrianwpi_vap_delete(struct ieee80211vap *vap) 666278366Sadrian{ 667278366Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 668280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 669280084Sadrian enum ieee80211_opmode opmode = vap->iv_opmode; 670278366Sadrian 671278366Sadrian ieee80211_ratectl_deinit(vap); 672278366Sadrian ieee80211_vap_detach(vap); 673278366Sadrian 674280105Sadrian if (opmode == IEEE80211_M_IBSS || opmode == IEEE80211_M_HOSTAP) { 675280084Sadrian if (bcn->m != NULL) 676280084Sadrian m_freem(bcn->m); 677280086Sadrian 678280086Sadrian WPI_VAP_LOCK_DESTROY(wvp); 679280084Sadrian } 680280084Sadrian 681278366Sadrian free(wvp, M_80211_VAP); 682278366Sadrian} 683278366Sadrian 684173362Sbenjscstatic int 685173362Sbenjscwpi_detach(device_t dev) 686173362Sbenjsc{ 687173362Sbenjsc struct wpi_softc *sc = device_get_softc(dev); 688178354Ssam struct ifnet *ifp = sc->sc_ifp; 689200530Sgavin struct ieee80211com *ic; 690278366Sadrian int qid; 691173362Sbenjsc 692278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 693260064Smarius 694200530Sgavin if (ifp != NULL) { 695200530Sgavin ic = ifp->if_l2com; 696191746Sthompsa 697280052Sadrian ieee80211_draintask(ic, &sc->sc_radioon_task); 698280078Sadrian ieee80211_draintask(ic, &sc->sc_start_task); 699278366Sadrian 700173362Sbenjsc wpi_stop(sc); 701278366Sadrian 702280120Sadrian taskqueue_drain_all(sc->sc_tq); 703280120Sadrian taskqueue_free(sc->sc_tq); 704280120Sadrian 705280106Sadrian callout_drain(&sc->watchdog_rfkill); 706280109Sadrian callout_drain(&sc->tx_timeout); 707280106Sadrian callout_drain(&sc->scan_timeout); 708173362Sbenjsc callout_drain(&sc->calib_to); 709173362Sbenjsc ieee80211_ifdetach(ic); 710173362Sbenjsc } 711173362Sbenjsc 712278366Sadrian /* Uninstall interrupt handler. */ 713278366Sadrian if (sc->irq != NULL) { 714278366Sadrian bus_teardown_intr(dev, sc->irq, sc->sc_ih); 715278366Sadrian bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), 716278366Sadrian sc->irq); 717278366Sadrian pci_release_msi(dev); 718278366Sadrian } 719278366Sadrian 720173362Sbenjsc if (sc->txq[0].data_dmat) { 721278366Sadrian /* Free DMA resources. */ 722278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 723278366Sadrian wpi_free_tx_ring(sc, &sc->txq[qid]); 724173362Sbenjsc 725278366Sadrian wpi_free_rx_ring(sc); 726173362Sbenjsc wpi_free_shared(sc); 727173362Sbenjsc } 728173362Sbenjsc 729173362Sbenjsc if (sc->fw_dma.tag) 730173362Sbenjsc wpi_free_fwmem(sc); 731278366Sadrian 732173362Sbenjsc if (sc->mem != NULL) 733260064Smarius bus_release_resource(dev, SYS_RES_MEMORY, 734260064Smarius rman_get_rid(sc->mem), sc->mem); 735173362Sbenjsc 736173362Sbenjsc if (ifp != NULL) 737173362Sbenjsc if_free(ifp); 738173362Sbenjsc 739278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 740280112Sadrian WPI_TXQ_STATE_LOCK_DESTROY(sc); 741280071Sadrian WPI_TXQ_LOCK_DESTROY(sc); 742280077Sadrian WPI_NT_LOCK_DESTROY(sc); 743280108Sadrian WPI_RXON_LOCK_DESTROY(sc); 744280113Sadrian WPI_TX_LOCK_DESTROY(sc); 745173362Sbenjsc WPI_LOCK_DESTROY(sc); 746278366Sadrian return 0; 747278366Sadrian} 748173362Sbenjsc 749278366Sadrianstatic int 750278366Sadrianwpi_shutdown(device_t dev) 751278366Sadrian{ 752278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 753278366Sadrian 754278366Sadrian wpi_stop(sc); 755173362Sbenjsc return 0; 756173362Sbenjsc} 757173362Sbenjsc 758278366Sadrianstatic int 759278366Sadrianwpi_suspend(device_t dev) 760178354Ssam{ 761278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 762278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 763178354Ssam 764278366Sadrian ieee80211_suspend_all(ic); 765278366Sadrian return 0; 766278366Sadrian} 767178354Ssam 768278366Sadrianstatic int 769278366Sadrianwpi_resume(device_t dev) 770278366Sadrian{ 771278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 772278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 773278366Sadrian 774278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 775278366Sadrian pci_write_config(dev, 0x41, 0, 1); 776278366Sadrian 777278366Sadrian ieee80211_resume_all(ic); 778278366Sadrian return 0; 779178354Ssam} 780178354Ssam 781278366Sadrian/* 782278366Sadrian * Grab exclusive access to NIC memory. 783278366Sadrian */ 784278366Sadrianstatic int 785278366Sadrianwpi_nic_lock(struct wpi_softc *sc) 786178354Ssam{ 787278366Sadrian int ntries; 788178354Ssam 789278366Sadrian /* Request exclusive access to NIC. */ 790278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 791278366Sadrian 792278366Sadrian /* Spin until we actually get the lock. */ 793278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 794278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & 795280059Sadrian (WPI_GP_CNTRL_MAC_ACCESS_ENA | WPI_GP_CNTRL_SLEEP)) == 796278366Sadrian WPI_GP_CNTRL_MAC_ACCESS_ENA) 797278366Sadrian return 0; 798278366Sadrian DELAY(10); 799278366Sadrian } 800278366Sadrian 801278366Sadrian device_printf(sc->sc_dev, "could not lock memory\n"); 802278366Sadrian 803278366Sadrian return ETIMEDOUT; 804178354Ssam} 805178354Ssam 806278366Sadrian/* 807278366Sadrian * Release lock on NIC memory. 808278366Sadrian */ 809278366Sadrianstatic __inline void 810278366Sadrianwpi_nic_unlock(struct wpi_softc *sc) 811278366Sadrian{ 812278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 813278366Sadrian} 814278366Sadrian 815278366Sadrianstatic __inline uint32_t 816278366Sadrianwpi_prph_read(struct wpi_softc *sc, uint32_t addr) 817278366Sadrian{ 818278366Sadrian WPI_WRITE(sc, WPI_PRPH_RADDR, WPI_PRPH_DWORD | addr); 819278366Sadrian WPI_BARRIER_READ_WRITE(sc); 820278366Sadrian return WPI_READ(sc, WPI_PRPH_RDATA); 821278366Sadrian} 822278366Sadrian 823278366Sadrianstatic __inline void 824278366Sadrianwpi_prph_write(struct wpi_softc *sc, uint32_t addr, uint32_t data) 825278366Sadrian{ 826278366Sadrian WPI_WRITE(sc, WPI_PRPH_WADDR, WPI_PRPH_DWORD | addr); 827278366Sadrian WPI_BARRIER_WRITE(sc); 828278366Sadrian WPI_WRITE(sc, WPI_PRPH_WDATA, data); 829278366Sadrian} 830278366Sadrian 831278366Sadrianstatic __inline void 832278366Sadrianwpi_prph_setbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 833278366Sadrian{ 834278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) | mask); 835278366Sadrian} 836278366Sadrian 837278366Sadrianstatic __inline void 838278366Sadrianwpi_prph_clrbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 839278366Sadrian{ 840278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) & ~mask); 841278366Sadrian} 842278366Sadrian 843278366Sadrianstatic __inline void 844278366Sadrianwpi_prph_write_region_4(struct wpi_softc *sc, uint32_t addr, 845278366Sadrian const uint32_t *data, int count) 846278366Sadrian{ 847278366Sadrian for (; count > 0; count--, data++, addr += 4) 848278366Sadrian wpi_prph_write(sc, addr, *data); 849278366Sadrian} 850278366Sadrian 851278366Sadrianstatic __inline uint32_t 852278366Sadrianwpi_mem_read(struct wpi_softc *sc, uint32_t addr) 853278366Sadrian{ 854278366Sadrian WPI_WRITE(sc, WPI_MEM_RADDR, addr); 855278366Sadrian WPI_BARRIER_READ_WRITE(sc); 856278366Sadrian return WPI_READ(sc, WPI_MEM_RDATA); 857278366Sadrian} 858278366Sadrian 859278366Sadrianstatic __inline void 860278366Sadrianwpi_mem_read_region_4(struct wpi_softc *sc, uint32_t addr, uint32_t *data, 861278366Sadrian int count) 862278366Sadrian{ 863278366Sadrian for (; count > 0; count--, addr += 4) 864278366Sadrian *data++ = wpi_mem_read(sc, addr); 865278366Sadrian} 866278366Sadrian 867278366Sadrianstatic int 868278366Sadrianwpi_read_prom_data(struct wpi_softc *sc, uint32_t addr, void *data, int count) 869278366Sadrian{ 870278366Sadrian uint8_t *out = data; 871278366Sadrian uint32_t val; 872278366Sadrian int error, ntries; 873278366Sadrian 874278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 875278366Sadrian 876278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 877278366Sadrian return error; 878278366Sadrian 879278366Sadrian for (; count > 0; count -= 2, addr++) { 880278366Sadrian WPI_WRITE(sc, WPI_EEPROM, addr << 2); 881278366Sadrian for (ntries = 0; ntries < 10; ntries++) { 882278366Sadrian val = WPI_READ(sc, WPI_EEPROM); 883278366Sadrian if (val & WPI_EEPROM_READ_VALID) 884278366Sadrian break; 885278366Sadrian DELAY(5); 886278366Sadrian } 887278366Sadrian if (ntries == 10) { 888278366Sadrian device_printf(sc->sc_dev, 889278366Sadrian "timeout reading ROM at 0x%x\n", addr); 890278366Sadrian return ETIMEDOUT; 891278366Sadrian } 892278366Sadrian *out++= val >> 16; 893278366Sadrian if (count > 1) 894278366Sadrian *out ++= val >> 24; 895278366Sadrian } 896278366Sadrian 897278366Sadrian wpi_nic_unlock(sc); 898278366Sadrian 899278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 900278366Sadrian 901278366Sadrian return 0; 902278366Sadrian} 903278366Sadrian 904178354Ssamstatic void 905173362Sbenjscwpi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 906173362Sbenjsc{ 907173362Sbenjsc if (error != 0) 908173362Sbenjsc return; 909173362Sbenjsc KASSERT(nsegs == 1, ("too many DMA segments, %d should be 1", nsegs)); 910173362Sbenjsc *(bus_addr_t *)arg = segs[0].ds_addr; 911173362Sbenjsc} 912173362Sbenjsc 913177043Sthompsa/* 914177043Sthompsa * Allocates a contiguous block of dma memory of the requested size and 915278366Sadrian * alignment. 916177043Sthompsa */ 917173362Sbenjscstatic int 918173362Sbenjscwpi_dma_contig_alloc(struct wpi_softc *sc, struct wpi_dma_info *dma, 919278366Sadrian void **kvap, bus_size_t size, bus_size_t alignment) 920173362Sbenjsc{ 921173362Sbenjsc int error; 922173362Sbenjsc 923278366Sadrian dma->tag = NULL; 924173362Sbenjsc dma->size = size; 925173362Sbenjsc 926278366Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), alignment, 927278366Sadrian 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, size, 928278366Sadrian 1, size, BUS_DMA_NOWAIT, NULL, NULL, &dma->tag); 929278366Sadrian if (error != 0) 930173362Sbenjsc goto fail; 931278366Sadrian 932278366Sadrian error = bus_dmamem_alloc(dma->tag, (void **)&dma->vaddr, 933278366Sadrian BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, &dma->map); 934278366Sadrian if (error != 0) 935173362Sbenjsc goto fail; 936173362Sbenjsc 937278366Sadrian error = bus_dmamap_load(dma->tag, dma->map, dma->vaddr, size, 938278366Sadrian wpi_dma_map_addr, &dma->paddr, BUS_DMA_NOWAIT); 939278366Sadrian if (error != 0) 940278366Sadrian goto fail; 941177043Sthompsa 942278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 943177043Sthompsa 944173362Sbenjsc if (kvap != NULL) 945173362Sbenjsc *kvap = dma->vaddr; 946173362Sbenjsc 947173362Sbenjsc return 0; 948173362Sbenjsc 949278366Sadrianfail: wpi_dma_contig_free(dma); 950173362Sbenjsc return error; 951173362Sbenjsc} 952173362Sbenjsc 953173362Sbenjscstatic void 954173362Sbenjscwpi_dma_contig_free(struct wpi_dma_info *dma) 955173362Sbenjsc{ 956278366Sadrian if (dma->vaddr != NULL) { 957278366Sadrian bus_dmamap_sync(dma->tag, dma->map, 958278366Sadrian BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 959278366Sadrian bus_dmamap_unload(dma->tag, dma->map); 960278366Sadrian bus_dmamem_free(dma->tag, dma->vaddr, dma->map); 961278366Sadrian dma->vaddr = NULL; 962278366Sadrian } 963278366Sadrian if (dma->tag != NULL) { 964173362Sbenjsc bus_dma_tag_destroy(dma->tag); 965278366Sadrian dma->tag = NULL; 966173362Sbenjsc } 967173362Sbenjsc} 968173362Sbenjsc 969173362Sbenjsc/* 970173362Sbenjsc * Allocate a shared page between host and NIC. 971173362Sbenjsc */ 972173362Sbenjscstatic int 973173362Sbenjscwpi_alloc_shared(struct wpi_softc *sc) 974173362Sbenjsc{ 975278366Sadrian /* Shared buffer must be aligned on a 4KB boundary. */ 976278366Sadrian return wpi_dma_contig_alloc(sc, &sc->shared_dma, 977278366Sadrian (void **)&sc->shared, sizeof (struct wpi_shared), 4096); 978173362Sbenjsc} 979173362Sbenjsc 980173362Sbenjscstatic void 981173362Sbenjscwpi_free_shared(struct wpi_softc *sc) 982173362Sbenjsc{ 983173362Sbenjsc wpi_dma_contig_free(&sc->shared_dma); 984173362Sbenjsc} 985173362Sbenjsc 986278366Sadrian/* 987278366Sadrian * Allocate DMA-safe memory for firmware transfer. 988278366Sadrian */ 989173362Sbenjscstatic int 990278366Sadrianwpi_alloc_fwmem(struct wpi_softc *sc) 991173362Sbenjsc{ 992278366Sadrian /* Must be aligned on a 16-byte boundary. */ 993278366Sadrian return wpi_dma_contig_alloc(sc, &sc->fw_dma, NULL, 994278366Sadrian WPI_FW_TEXT_MAXSZ + WPI_FW_DATA_MAXSZ, 16); 995278366Sadrian} 996173362Sbenjsc 997278366Sadrianstatic void 998278366Sadrianwpi_free_fwmem(struct wpi_softc *sc) 999278366Sadrian{ 1000278366Sadrian wpi_dma_contig_free(&sc->fw_dma); 1001278366Sadrian} 1002278366Sadrian 1003278366Sadrianstatic int 1004278366Sadrianwpi_alloc_rx_ring(struct wpi_softc *sc) 1005278366Sadrian{ 1006278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1007278366Sadrian bus_size_t size; 1008173362Sbenjsc int i, error; 1009173362Sbenjsc 1010173362Sbenjsc ring->cur = 0; 1011278366Sadrian ring->update = 0; 1012173362Sbenjsc 1013278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1014278366Sadrian 1015278366Sadrian /* Allocate RX descriptors (16KB aligned.) */ 1016278366Sadrian size = WPI_RX_RING_COUNT * sizeof (uint32_t); 1017173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->desc_dma, 1018278366Sadrian (void **)&ring->desc, size, WPI_RING_DMA_ALIGN); 1019173362Sbenjsc if (error != 0) { 1020177043Sthompsa device_printf(sc->sc_dev, 1021278366Sadrian "%s: could not allocate RX ring DMA memory, error %d\n", 1022177043Sthompsa __func__, error); 1023177043Sthompsa goto fail; 1024173362Sbenjsc } 1025173362Sbenjsc 1026278366Sadrian /* Create RX buffer DMA tag. */ 1027280059Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1028278366Sadrian BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 1029278366Sadrian MJUMPAGESIZE, 1, MJUMPAGESIZE, BUS_DMA_NOWAIT, NULL, NULL, 1030278366Sadrian &ring->data_dmat); 1031280059Sadrian if (error != 0) { 1032280059Sadrian device_printf(sc->sc_dev, 1033278366Sadrian "%s: could not create RX buf DMA tag, error %d\n", 1034177043Sthompsa __func__, error); 1035280059Sadrian goto fail; 1036280059Sadrian } 1037177043Sthompsa 1038173362Sbenjsc /* 1039278366Sadrian * Allocate and map RX buffers. 1040173362Sbenjsc */ 1041173362Sbenjsc for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1042177043Sthompsa struct wpi_rx_data *data = &ring->data[i]; 1043177043Sthompsa bus_addr_t paddr; 1044173362Sbenjsc 1045177043Sthompsa error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1046177043Sthompsa if (error != 0) { 1047173362Sbenjsc device_printf(sc->sc_dev, 1048278366Sadrian "%s: could not create RX buf DMA map, error %d\n", 1049177043Sthompsa __func__, error); 1050173362Sbenjsc goto fail; 1051173362Sbenjsc } 1052278366Sadrian 1053278366Sadrian data->m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1054278366Sadrian if (data->m == NULL) { 1055173362Sbenjsc device_printf(sc->sc_dev, 1056278366Sadrian "%s: could not allocate RX mbuf\n", __func__); 1057278366Sadrian error = ENOBUFS; 1058173362Sbenjsc goto fail; 1059173362Sbenjsc } 1060278366Sadrian 1061177043Sthompsa error = bus_dmamap_load(ring->data_dmat, data->map, 1062278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1063278366Sadrian &paddr, BUS_DMA_NOWAIT); 1064177043Sthompsa if (error != 0 && error != EFBIG) { 1065177043Sthompsa device_printf(sc->sc_dev, 1066278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, 1067278366Sadrian error); 1068173362Sbenjsc goto fail; 1069173362Sbenjsc } 1070177043Sthompsa 1071278366Sadrian /* Set physical address of RX buffer. */ 1072177043Sthompsa ring->desc[i] = htole32(paddr); 1073173362Sbenjsc } 1074278366Sadrian 1075173362Sbenjsc bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1076173362Sbenjsc BUS_DMASYNC_PREWRITE); 1077278366Sadrian 1078278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1079278366Sadrian 1080173362Sbenjsc return 0; 1081278366Sadrian 1082278366Sadrianfail: wpi_free_rx_ring(sc); 1083278366Sadrian 1084278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1085278366Sadrian 1086173362Sbenjsc return error; 1087173362Sbenjsc} 1088173362Sbenjsc 1089173362Sbenjscstatic void 1090278366Sadrianwpi_update_rx_ring(struct wpi_softc *sc) 1091173362Sbenjsc{ 1092278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1093173362Sbenjsc 1094280056Sadrian if (ring->update != 0) { 1095280056Sadrian /* Wait for INT_WAKEUP event. */ 1096280056Sadrian return; 1097280056Sadrian } 1098280056Sadrian 1099278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1100278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s: wakeup request\n", 1101278366Sadrian __func__); 1102173362Sbenjsc 1103278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1104278366Sadrian ring->update = 1; 1105278366Sadrian } else 1106278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, ring->cur & ~7); 1107278366Sadrian} 1108173362Sbenjsc 1109278366Sadrianstatic void 1110278366Sadrianwpi_reset_rx_ring(struct wpi_softc *sc) 1111278366Sadrian{ 1112278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1113278366Sadrian int ntries; 1114173362Sbenjsc 1115278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1116173362Sbenjsc 1117278366Sadrian if (wpi_nic_lock(sc) == 0) { 1118278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 0); 1119278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 1120278366Sadrian if (WPI_READ(sc, WPI_FH_RX_STATUS) & 1121278366Sadrian WPI_FH_RX_STATUS_IDLE) 1122278366Sadrian break; 1123278366Sadrian DELAY(10); 1124278366Sadrian } 1125278366Sadrian wpi_nic_unlock(sc); 1126278366Sadrian } 1127173362Sbenjsc 1128173362Sbenjsc ring->cur = 0; 1129278366Sadrian ring->update = 0; 1130173362Sbenjsc} 1131173362Sbenjsc 1132173362Sbenjscstatic void 1133278366Sadrianwpi_free_rx_ring(struct wpi_softc *sc) 1134173362Sbenjsc{ 1135278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1136173362Sbenjsc int i; 1137173362Sbenjsc 1138278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1139278366Sadrian 1140173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1141173362Sbenjsc 1142216824Sbschmidt for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1143216824Sbschmidt struct wpi_rx_data *data = &ring->data[i]; 1144216824Sbschmidt 1145216824Sbschmidt if (data->m != NULL) { 1146216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, 1147216824Sbschmidt BUS_DMASYNC_POSTREAD); 1148216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1149216824Sbschmidt m_freem(data->m); 1150278366Sadrian data->m = NULL; 1151216824Sbschmidt } 1152216824Sbschmidt if (data->map != NULL) 1153216824Sbschmidt bus_dmamap_destroy(ring->data_dmat, data->map); 1154216824Sbschmidt } 1155278366Sadrian if (ring->data_dmat != NULL) { 1156278366Sadrian bus_dma_tag_destroy(ring->data_dmat); 1157278366Sadrian ring->data_dmat = NULL; 1158278366Sadrian } 1159173362Sbenjsc} 1160173362Sbenjsc 1161173362Sbenjscstatic int 1162278366Sadrianwpi_alloc_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring, int qid) 1163173362Sbenjsc{ 1164278366Sadrian bus_addr_t paddr; 1165278366Sadrian bus_size_t size; 1166173362Sbenjsc int i, error; 1167173362Sbenjsc 1168173362Sbenjsc ring->qid = qid; 1169173362Sbenjsc ring->queued = 0; 1170173362Sbenjsc ring->cur = 0; 1171278366Sadrian ring->update = 0; 1172173362Sbenjsc 1173278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1174173362Sbenjsc 1175278366Sadrian /* Allocate TX descriptors (16KB aligned.) */ 1176278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_desc); 1177278366Sadrian error = wpi_dma_contig_alloc(sc, &ring->desc_dma, (void **)&ring->desc, 1178278366Sadrian size, WPI_RING_DMA_ALIGN); 1179173362Sbenjsc if (error != 0) { 1180278366Sadrian device_printf(sc->sc_dev, 1181278366Sadrian "%s: could not allocate TX ring DMA memory, error %d\n", 1182278366Sadrian __func__, error); 1183278366Sadrian goto fail; 1184173362Sbenjsc } 1185173362Sbenjsc 1186278366Sadrian /* Update shared area with ring physical address. */ 1187173362Sbenjsc sc->shared->txbase[qid] = htole32(ring->desc_dma.paddr); 1188278366Sadrian bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 1189278366Sadrian BUS_DMASYNC_PREWRITE); 1190173362Sbenjsc 1191278366Sadrian /* 1192278366Sadrian * We only use rings 0 through 4 (4 EDCA + cmd) so there is no need 1193278366Sadrian * to allocate commands space for other rings. 1194278366Sadrian * XXX Do we really need to allocate descriptors for other rings? 1195278366Sadrian */ 1196280101Sadrian if (qid > WPI_CMD_QUEUE_NUM) { 1197280101Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1198278366Sadrian return 0; 1199280101Sadrian } 1200278366Sadrian 1201278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_cmd); 1202173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->cmd_dma, (void **)&ring->cmd, 1203278366Sadrian size, 4); 1204173362Sbenjsc if (error != 0) { 1205173362Sbenjsc device_printf(sc->sc_dev, 1206278366Sadrian "%s: could not allocate TX cmd DMA memory, error %d\n", 1207278366Sadrian __func__, error); 1208173362Sbenjsc goto fail; 1209173362Sbenjsc } 1210173362Sbenjsc 1211173362Sbenjsc error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1212173362Sbenjsc BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1213173362Sbenjsc WPI_MAX_SCATTER - 1, MCLBYTES, BUS_DMA_NOWAIT, NULL, NULL, 1214173362Sbenjsc &ring->data_dmat); 1215173362Sbenjsc if (error != 0) { 1216278366Sadrian device_printf(sc->sc_dev, 1217278366Sadrian "%s: could not create TX buf DMA tag, error %d\n", 1218278366Sadrian __func__, error); 1219173362Sbenjsc goto fail; 1220173362Sbenjsc } 1221173362Sbenjsc 1222278366Sadrian paddr = ring->cmd_dma.paddr; 1223278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1224278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1225173362Sbenjsc 1226278366Sadrian data->cmd_paddr = paddr; 1227278366Sadrian paddr += sizeof (struct wpi_tx_cmd); 1228278366Sadrian 1229173362Sbenjsc error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1230173362Sbenjsc if (error != 0) { 1231173362Sbenjsc device_printf(sc->sc_dev, 1232278366Sadrian "%s: could not create TX buf DMA map, error %d\n", 1233278366Sadrian __func__, error); 1234173362Sbenjsc goto fail; 1235173362Sbenjsc } 1236173362Sbenjsc } 1237173362Sbenjsc 1238278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1239278366Sadrian 1240173362Sbenjsc return 0; 1241173362Sbenjsc 1242278366Sadrianfail: wpi_free_tx_ring(sc, ring); 1243278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1244173362Sbenjsc return error; 1245173362Sbenjsc} 1246173362Sbenjsc 1247173362Sbenjscstatic void 1248278366Sadrianwpi_update_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1249278366Sadrian{ 1250280056Sadrian if (ring->update != 0) { 1251280056Sadrian /* Wait for INT_WAKEUP event. */ 1252280056Sadrian return; 1253280056Sadrian } 1254280056Sadrian 1255278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1256278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s (%d): requesting wakeup\n", 1257278366Sadrian __func__, ring->qid); 1258278366Sadrian 1259278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1260278366Sadrian ring->update = 1; 1261278366Sadrian } else 1262278366Sadrian WPI_WRITE(sc, WPI_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur); 1263278366Sadrian} 1264278366Sadrian 1265278366Sadrianstatic void 1266173362Sbenjscwpi_reset_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1267173362Sbenjsc{ 1268278366Sadrian int i; 1269173362Sbenjsc 1270278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1271173362Sbenjsc 1272278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1273278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1274173362Sbenjsc 1275173362Sbenjsc if (data->m != NULL) { 1276278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1277278366Sadrian BUS_DMASYNC_POSTWRITE); 1278173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1279173362Sbenjsc m_freem(data->m); 1280173362Sbenjsc data->m = NULL; 1281173362Sbenjsc } 1282173362Sbenjsc } 1283278366Sadrian /* Clear TX descriptors. */ 1284278366Sadrian memset(ring->desc, 0, ring->desc_dma.size); 1285278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1286278366Sadrian BUS_DMASYNC_PREWRITE); 1287278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1288173362Sbenjsc ring->queued = 0; 1289173362Sbenjsc ring->cur = 0; 1290278366Sadrian ring->update = 0; 1291173362Sbenjsc} 1292173362Sbenjsc 1293173362Sbenjscstatic void 1294173362Sbenjscwpi_free_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1295173362Sbenjsc{ 1296173362Sbenjsc int i; 1297173362Sbenjsc 1298278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1299278366Sadrian 1300173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1301173362Sbenjsc wpi_dma_contig_free(&ring->cmd_dma); 1302173362Sbenjsc 1303278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1304278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1305173362Sbenjsc 1306278366Sadrian if (data->m != NULL) { 1307278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1308278366Sadrian BUS_DMASYNC_POSTWRITE); 1309278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1310278366Sadrian m_freem(data->m); 1311173362Sbenjsc } 1312278366Sadrian if (data->map != NULL) 1313278366Sadrian bus_dmamap_destroy(ring->data_dmat, data->map); 1314173362Sbenjsc } 1315278366Sadrian if (ring->data_dmat != NULL) { 1316173362Sbenjsc bus_dma_tag_destroy(ring->data_dmat); 1317278366Sadrian ring->data_dmat = NULL; 1318278366Sadrian } 1319173362Sbenjsc} 1320173362Sbenjsc 1321278366Sadrian/* 1322278366Sadrian * Extract various information from EEPROM. 1323278366Sadrian */ 1324173362Sbenjscstatic int 1325278366Sadrianwpi_read_eeprom(struct wpi_softc *sc, uint8_t macaddr[IEEE80211_ADDR_LEN]) 1326173362Sbenjsc{ 1327278366Sadrian#define WPI_CHK(res) do { \ 1328278366Sadrian if ((error = res) != 0) \ 1329278366Sadrian goto fail; \ 1330278366Sadrian} while (0) 1331278366Sadrian int error, i; 1332173362Sbenjsc 1333278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1334173362Sbenjsc 1335278366Sadrian /* Adapter has to be powered on for EEPROM access to work. */ 1336278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 1337278366Sadrian device_printf(sc->sc_dev, 1338278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 1339278366Sadrian error); 1340278366Sadrian return error; 1341278366Sadrian } 1342278366Sadrian 1343278366Sadrian if ((WPI_READ(sc, WPI_EEPROM_GP) & 0x6) == 0) { 1344278366Sadrian device_printf(sc->sc_dev, "bad EEPROM signature\n"); 1345278366Sadrian error = EIO; 1346278366Sadrian goto fail; 1347278366Sadrian } 1348278366Sadrian /* Clear HW ownership of EEPROM. */ 1349278366Sadrian WPI_CLRBITS(sc, WPI_EEPROM_GP, WPI_EEPROM_GP_IF_OWNER); 1350278366Sadrian 1351278366Sadrian /* Read the hardware capabilities, revision and SKU type. */ 1352278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_SKU_CAP, &sc->cap, 1353278366Sadrian sizeof(sc->cap))); 1354278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_REVISION, &sc->rev, 1355278366Sadrian sizeof(sc->rev))); 1356278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_TYPE, &sc->type, 1357278366Sadrian sizeof(sc->type))); 1358278366Sadrian 1359280076Sadrian sc->rev = le16toh(sc->rev); 1360280066Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, "cap=%x rev=%x type=%x\n", sc->cap, 1361280076Sadrian sc->rev, sc->type); 1362278366Sadrian 1363278366Sadrian /* Read the regulatory domain (4 ASCII characters.) */ 1364278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_DOMAIN, sc->domain, 1365278366Sadrian sizeof(sc->domain))); 1366278366Sadrian 1367278366Sadrian /* Read MAC address. */ 1368278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_MAC, macaddr, 1369278366Sadrian IEEE80211_ADDR_LEN)); 1370278366Sadrian 1371278366Sadrian /* Read the list of authorized channels. */ 1372278366Sadrian for (i = 0; i < WPI_CHAN_BANDS_COUNT; i++) 1373278366Sadrian WPI_CHK(wpi_read_eeprom_channels(sc, i)); 1374278366Sadrian 1375278366Sadrian /* Read the list of TX power groups. */ 1376278366Sadrian for (i = 0; i < WPI_POWER_GROUPS_COUNT; i++) 1377278366Sadrian WPI_CHK(wpi_read_eeprom_group(sc, i)); 1378278366Sadrian 1379278366Sadrianfail: wpi_apm_stop(sc); /* Power OFF adapter. */ 1380278366Sadrian 1381278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, error ? TRACE_STR_END_ERR : TRACE_STR_END, 1382278366Sadrian __func__); 1383278366Sadrian 1384278366Sadrian return error; 1385278366Sadrian#undef WPI_CHK 1386278366Sadrian} 1387278366Sadrian 1388278366Sadrian/* 1389278366Sadrian * Translate EEPROM flags to net80211. 1390278366Sadrian */ 1391278366Sadrianstatic uint32_t 1392278366Sadrianwpi_eeprom_channel_flags(struct wpi_eeprom_chan *channel) 1393278366Sadrian{ 1394278366Sadrian uint32_t nflags; 1395278366Sadrian 1396278366Sadrian nflags = 0; 1397278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_ACTIVE) == 0) 1398278366Sadrian nflags |= IEEE80211_CHAN_PASSIVE; 1399278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_IBSS) == 0) 1400278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1401278366Sadrian if (channel->flags & WPI_EEPROM_CHAN_RADAR) { 1402278366Sadrian nflags |= IEEE80211_CHAN_DFS; 1403278366Sadrian /* XXX apparently IBSS may still be marked */ 1404278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1405278366Sadrian } 1406278366Sadrian 1407280105Sadrian /* XXX HOSTAP uses WPI_MODE_IBSS */ 1408280105Sadrian if (nflags & IEEE80211_CHAN_NOADHOC) 1409280105Sadrian nflags |= IEEE80211_CHAN_NOHOSTAP; 1410280105Sadrian 1411278366Sadrian return nflags; 1412278366Sadrian} 1413278366Sadrian 1414278366Sadrianstatic void 1415278366Sadrianwpi_read_eeprom_band(struct wpi_softc *sc, int n) 1416278366Sadrian{ 1417278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1418278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1419278366Sadrian struct wpi_eeprom_chan *channels = sc->eeprom_channels[n]; 1420278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1421278366Sadrian struct ieee80211_channel *c; 1422278366Sadrian uint8_t chan; 1423278366Sadrian int i, nflags; 1424278366Sadrian 1425278366Sadrian for (i = 0; i < band->nchan; i++) { 1426278366Sadrian if (!(channels[i].flags & WPI_EEPROM_CHAN_VALID)) { 1427280080Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1428278366Sadrian "Channel Not Valid: %d, band %d\n", 1429278366Sadrian band->chan[i],n); 1430278366Sadrian continue; 1431278366Sadrian } 1432278366Sadrian 1433278366Sadrian chan = band->chan[i]; 1434278366Sadrian nflags = wpi_eeprom_channel_flags(&channels[i]); 1435278366Sadrian 1436278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1437278366Sadrian c->ic_ieee = chan; 1438278366Sadrian c->ic_maxregpower = channels[i].maxpwr; 1439278366Sadrian c->ic_maxpower = 2*c->ic_maxregpower; 1440278366Sadrian 1441278366Sadrian if (n == 0) { /* 2GHz band */ 1442280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1443280066Sadrian IEEE80211_CHAN_G); 1444280066Sadrian 1445278366Sadrian /* G =>'s B is supported */ 1446278366Sadrian c->ic_flags = IEEE80211_CHAN_B | nflags; 1447278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1448278366Sadrian c[0] = c[-1]; 1449278366Sadrian c->ic_flags = IEEE80211_CHAN_G | nflags; 1450278366Sadrian } else { /* 5GHz band */ 1451280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1452280066Sadrian IEEE80211_CHAN_A); 1453280066Sadrian 1454278366Sadrian c->ic_flags = IEEE80211_CHAN_A | nflags; 1455278366Sadrian } 1456278366Sadrian 1457278366Sadrian /* Save maximum allowed TX power for this channel. */ 1458278366Sadrian sc->maxpwr[chan] = channels[i].maxpwr; 1459278366Sadrian 1460278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1461278366Sadrian "adding chan %d (%dMHz) flags=0x%x maxpwr=%d passive=%d," 1462278366Sadrian " offset %d\n", chan, c->ic_freq, 1463278366Sadrian channels[i].flags, sc->maxpwr[chan], 1464278764Sadrian IEEE80211_IS_CHAN_PASSIVE(c), ic->ic_nchans); 1465278366Sadrian } 1466278366Sadrian} 1467278366Sadrian 1468278366Sadrian/** 1469278366Sadrian * Read the eeprom to find out what channels are valid for the given 1470278366Sadrian * band and update net80211 with what we find. 1471278366Sadrian */ 1472278366Sadrianstatic int 1473278366Sadrianwpi_read_eeprom_channels(struct wpi_softc *sc, int n) 1474278366Sadrian{ 1475278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1476278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1477278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1478278366Sadrian int error; 1479278366Sadrian 1480278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1481278366Sadrian 1482278366Sadrian error = wpi_read_prom_data(sc, band->addr, &sc->eeprom_channels[n], 1483278366Sadrian band->nchan * sizeof (struct wpi_eeprom_chan)); 1484278366Sadrian if (error != 0) { 1485278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1486278366Sadrian return error; 1487278366Sadrian } 1488278366Sadrian 1489278366Sadrian wpi_read_eeprom_band(sc, n); 1490278366Sadrian 1491278366Sadrian ieee80211_sort_channels(ic->ic_channels, ic->ic_nchans); 1492278366Sadrian 1493278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1494278366Sadrian 1495173362Sbenjsc return 0; 1496173362Sbenjsc} 1497173362Sbenjsc 1498278366Sadrianstatic struct wpi_eeprom_chan * 1499278366Sadrianwpi_find_eeprom_channel(struct wpi_softc *sc, struct ieee80211_channel *c) 1500278366Sadrian{ 1501278366Sadrian int i, j; 1502278366Sadrian 1503278366Sadrian for (j = 0; j < WPI_CHAN_BANDS_COUNT; j++) 1504278366Sadrian for (i = 0; i < wpi_bands[j].nchan; i++) 1505278366Sadrian if (wpi_bands[j].chan[i] == c->ic_ieee) 1506278366Sadrian return &sc->eeprom_channels[j][i]; 1507278366Sadrian 1508278366Sadrian return NULL; 1509278366Sadrian} 1510278366Sadrian 1511278366Sadrian/* 1512278366Sadrian * Enforce flags read from EEPROM. 1513278366Sadrian */ 1514173362Sbenjscstatic int 1515278366Sadrianwpi_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *rd, 1516278366Sadrian int nchan, struct ieee80211_channel chans[]) 1517173362Sbenjsc{ 1518278366Sadrian struct ifnet *ifp = ic->ic_ifp; 1519278366Sadrian struct wpi_softc *sc = ifp->if_softc; 1520278366Sadrian int i; 1521173362Sbenjsc 1522278366Sadrian for (i = 0; i < nchan; i++) { 1523278366Sadrian struct ieee80211_channel *c = &chans[i]; 1524278366Sadrian struct wpi_eeprom_chan *channel; 1525278366Sadrian 1526278366Sadrian channel = wpi_find_eeprom_channel(sc, c); 1527278366Sadrian if (channel == NULL) { 1528278366Sadrian if_printf(ic->ic_ifp, 1529278366Sadrian "%s: invalid channel %u freq %u/0x%x\n", 1530278366Sadrian __func__, c->ic_ieee, c->ic_freq, c->ic_flags); 1531278366Sadrian return EINVAL; 1532278366Sadrian } 1533278366Sadrian c->ic_flags |= wpi_eeprom_channel_flags(channel); 1534278366Sadrian } 1535278366Sadrian 1536173362Sbenjsc return 0; 1537173362Sbenjsc} 1538173362Sbenjsc 1539173362Sbenjscstatic int 1540278366Sadrianwpi_read_eeprom_group(struct wpi_softc *sc, int n) 1541173362Sbenjsc{ 1542278366Sadrian struct wpi_power_group *group = &sc->groups[n]; 1543278366Sadrian struct wpi_eeprom_group rgroup; 1544278366Sadrian int i, error; 1545173362Sbenjsc 1546278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1547173362Sbenjsc 1548278366Sadrian if ((error = wpi_read_prom_data(sc, WPI_EEPROM_POWER_GRP + n * 32, 1549278366Sadrian &rgroup, sizeof rgroup)) != 0) { 1550278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1551278366Sadrian return error; 1552278366Sadrian } 1553278366Sadrian 1554278366Sadrian /* Save TX power group information. */ 1555278366Sadrian group->chan = rgroup.chan; 1556278366Sadrian group->maxpwr = rgroup.maxpwr; 1557278366Sadrian /* Retrieve temperature at which the samples were taken. */ 1558278366Sadrian group->temp = (int16_t)le16toh(rgroup.temp); 1559278366Sadrian 1560278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1561278366Sadrian "power group %d: chan=%d maxpwr=%d temp=%d\n", n, group->chan, 1562278366Sadrian group->maxpwr, group->temp); 1563278366Sadrian 1564278366Sadrian for (i = 0; i < WPI_SAMPLES_COUNT; i++) { 1565278366Sadrian group->samples[i].index = rgroup.samples[i].index; 1566278366Sadrian group->samples[i].power = rgroup.samples[i].power; 1567278366Sadrian 1568278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1569278366Sadrian "\tsample %d: index=%d power=%d\n", i, 1570278366Sadrian group->samples[i].index, group->samples[i].power); 1571278366Sadrian } 1572278366Sadrian 1573278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1574278366Sadrian 1575173362Sbenjsc return 0; 1576173362Sbenjsc} 1577173362Sbenjsc 1578280069Sadrianstatic int 1579280069Sadrianwpi_add_node_entry_adhoc(struct wpi_softc *sc) 1580280069Sadrian{ 1581280069Sadrian int newid = WPI_ID_IBSS_MIN; 1582280069Sadrian 1583280069Sadrian for (; newid <= WPI_ID_IBSS_MAX; newid++) { 1584280069Sadrian if ((sc->nodesmsk & (1 << newid)) == 0) { 1585280069Sadrian sc->nodesmsk |= 1 << newid; 1586280069Sadrian return newid; 1587280069Sadrian } 1588280069Sadrian } 1589280069Sadrian 1590280069Sadrian return WPI_ID_UNDEFINED; 1591280069Sadrian} 1592280069Sadrian 1593280069Sadrianstatic __inline int 1594280070Sadrianwpi_add_node_entry_sta(struct wpi_softc *sc) 1595280070Sadrian{ 1596280070Sadrian sc->nodesmsk |= 1 << WPI_ID_BSS; 1597280070Sadrian 1598280070Sadrian return WPI_ID_BSS; 1599280070Sadrian} 1600280070Sadrian 1601280070Sadrianstatic __inline int 1602280069Sadrianwpi_check_node_entry(struct wpi_softc *sc, uint8_t id) 1603280069Sadrian{ 1604280069Sadrian if (id == WPI_ID_UNDEFINED) 1605280069Sadrian return 0; 1606280069Sadrian 1607280069Sadrian return (sc->nodesmsk >> id) & 1; 1608280069Sadrian} 1609280069Sadrian 1610280069Sadrianstatic __inline void 1611280069Sadrianwpi_clear_node_table(struct wpi_softc *sc) 1612280069Sadrian{ 1613280069Sadrian sc->nodesmsk = 0; 1614280069Sadrian} 1615280069Sadrian 1616280069Sadrianstatic __inline void 1617280069Sadrianwpi_del_node_entry(struct wpi_softc *sc, uint8_t id) 1618280069Sadrian{ 1619280069Sadrian sc->nodesmsk &= ~(1 << id); 1620280069Sadrian} 1621280069Sadrian 1622278366Sadrianstatic struct ieee80211_node * 1623278366Sadrianwpi_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 1624278366Sadrian{ 1625278366Sadrian struct wpi_node *wn; 1626278366Sadrian 1627278366Sadrian wn = malloc(sizeof (struct wpi_node), M_80211_NODE, 1628278366Sadrian M_NOWAIT | M_ZERO); 1629278366Sadrian 1630278366Sadrian if (wn == NULL) 1631278366Sadrian return NULL; 1632278366Sadrian 1633278366Sadrian wn->id = WPI_ID_UNDEFINED; 1634278366Sadrian 1635278366Sadrian return &wn->ni; 1636278366Sadrian} 1637278366Sadrian 1638278366Sadrianstatic void 1639278366Sadrianwpi_node_free(struct ieee80211_node *ni) 1640278366Sadrian{ 1641278366Sadrian struct ieee80211com *ic = ni->ni_ic; 1642278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 1643280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 1644278366Sadrian 1645280070Sadrian if (wn->id != WPI_ID_UNDEFINED) { 1646280077Sadrian WPI_NT_LOCK(sc); 1647280069Sadrian if (wpi_check_node_entry(sc, wn->id)) { 1648280069Sadrian wpi_del_node_entry(sc, wn->id); 1649278366Sadrian wpi_del_node(sc, ni); 1650280069Sadrian } 1651280077Sadrian WPI_NT_UNLOCK(sc); 1652278366Sadrian } 1653278366Sadrian 1654278366Sadrian sc->sc_node_free(ni); 1655278366Sadrian} 1656278366Sadrian 1657282375Sadrianstatic __inline int 1658282375Sadrianwpi_check_bss_filter(struct wpi_softc *sc) 1659282375Sadrian{ 1660282375Sadrian return (sc->rxon.filter & htole32(WPI_FILTER_BSS)) != 0; 1661282375Sadrian} 1662282375Sadrian 1663173362Sbenjsc/** 1664173362Sbenjsc * Called by net80211 when ever there is a change to 80211 state machine 1665173362Sbenjsc */ 1666173362Sbenjscstatic int 1667178354Ssamwpi_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1668173362Sbenjsc{ 1669178354Ssam struct wpi_vap *wvp = WPI_VAP(vap); 1670178354Ssam struct ieee80211com *ic = vap->iv_ic; 1671173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 1672173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 1673278366Sadrian int error = 0; 1674173362Sbenjsc 1675278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1676278366Sadrian 1677278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "%s: %s -> %s\n", __func__, 1678178354Ssam ieee80211_state_name[vap->iv_state], 1679278366Sadrian ieee80211_state_name[nstate]); 1680173362Sbenjsc 1681282381Sadrian if (vap->iv_state == IEEE80211_S_RUN && nstate < IEEE80211_S_RUN) { 1682280118Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 1)) != 0) { 1683280118Sadrian device_printf(sc->sc_dev, 1684280118Sadrian "%s: could not set power saving level\n", 1685280118Sadrian __func__); 1686280118Sadrian return error; 1687280118Sadrian } 1688282381Sadrian 1689282381Sadrian wpi_set_led(sc, WPI_LED_LINK, 1, 0); 1690280118Sadrian } 1691280118Sadrian 1692278366Sadrian switch (nstate) { 1693278366Sadrian case IEEE80211_S_SCAN: 1694280108Sadrian WPI_RXON_LOCK(sc); 1695282386Sadrian if (wpi_check_bss_filter(sc) != 0) { 1696278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 1697278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 1698278366Sadrian device_printf(sc->sc_dev, 1699278366Sadrian "%s: could not send RXON\n", __func__); 1700278366Sadrian } 1701216238Sbschmidt } 1702280108Sadrian WPI_RXON_UNLOCK(sc); 1703278366Sadrian break; 1704278366Sadrian 1705278366Sadrian case IEEE80211_S_ASSOC: 1706278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1707278366Sadrian break; 1708278366Sadrian /* FALLTHROUGH */ 1709278366Sadrian case IEEE80211_S_AUTH: 1710216238Sbschmidt /* 1711282391Sadrian * NB: do not optimize AUTH -> AUTH state transmission - 1712282391Sadrian * this will break powersave with non-QoS AP! 1713282391Sadrian */ 1714282391Sadrian 1715282391Sadrian /* 1716216238Sbschmidt * The node must be registered in the firmware before auth. 1717216238Sbschmidt * Also the associd must be cleared on RUN -> ASSOC 1718216238Sbschmidt * transitions. 1719216238Sbschmidt */ 1720278366Sadrian if ((error = wpi_auth(sc, vap)) != 0) { 1721191746Sthompsa device_printf(sc->sc_dev, 1722278366Sadrian "%s: could not move to AUTH state, error %d\n", 1723191746Sthompsa __func__, error); 1724191746Sthompsa } 1725278366Sadrian break; 1726278366Sadrian 1727278366Sadrian case IEEE80211_S_RUN: 1728278366Sadrian /* 1729278366Sadrian * RUN -> RUN transition; Just restart the timers. 1730278366Sadrian */ 1731278366Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 1732280108Sadrian WPI_RXON_LOCK(sc); 1733278366Sadrian wpi_calib_timeout(sc); 1734280108Sadrian WPI_RXON_UNLOCK(sc); 1735278366Sadrian break; 1736278366Sadrian } 1737278366Sadrian 1738278366Sadrian /* 1739278366Sadrian * !RUN -> RUN requires setting the association id 1740278366Sadrian * which is done with a firmware cmd. We also defer 1741278366Sadrian * starting the timers until that work is done. 1742278366Sadrian */ 1743278366Sadrian if ((error = wpi_run(sc, vap)) != 0) { 1744191746Sthompsa device_printf(sc->sc_dev, 1745278366Sadrian "%s: could not move to RUN state\n", __func__); 1746191746Sthompsa } 1747278366Sadrian break; 1748278366Sadrian 1749278366Sadrian default: 1750278366Sadrian break; 1751178354Ssam } 1752278366Sadrian if (error != 0) { 1753278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1754278366Sadrian return error; 1755278366Sadrian } 1756173362Sbenjsc 1757278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1758173362Sbenjsc 1759280085Sadrian return wvp->wv_newstate(vap, nstate, arg); 1760173362Sbenjsc} 1761173362Sbenjsc 1762173362Sbenjscstatic void 1763278366Sadrianwpi_calib_timeout(void *arg) 1764173362Sbenjsc{ 1765278366Sadrian struct wpi_softc *sc = arg; 1766173362Sbenjsc 1767282375Sadrian if (wpi_check_bss_filter(sc) == 0) 1768278366Sadrian return; 1769173362Sbenjsc 1770278366Sadrian wpi_power_calibration(sc); 1771173362Sbenjsc 1772278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 1773173362Sbenjsc} 1774173362Sbenjsc 1775278366Sadrianstatic __inline uint8_t 1776278366Sadrianrate2plcp(const uint8_t rate) 1777173362Sbenjsc{ 1778278366Sadrian switch (rate) { 1779278366Sadrian case 12: return 0xd; 1780278366Sadrian case 18: return 0xf; 1781278366Sadrian case 24: return 0x5; 1782278366Sadrian case 36: return 0x7; 1783278366Sadrian case 48: return 0x9; 1784278366Sadrian case 72: return 0xb; 1785278366Sadrian case 96: return 0x1; 1786278366Sadrian case 108: return 0x3; 1787278366Sadrian case 2: return 10; 1788278366Sadrian case 4: return 20; 1789278366Sadrian case 11: return 55; 1790278366Sadrian case 22: return 110; 1791278366Sadrian default: return 0; 1792173362Sbenjsc } 1793173362Sbenjsc} 1794173362Sbenjsc 1795278366Sadrianstatic __inline uint8_t 1796278366Sadrianplcp2rate(const uint8_t plcp) 1797173362Sbenjsc{ 1798278366Sadrian switch (plcp) { 1799278366Sadrian case 0xd: return 12; 1800278366Sadrian case 0xf: return 18; 1801278366Sadrian case 0x5: return 24; 1802278366Sadrian case 0x7: return 36; 1803278366Sadrian case 0x9: return 48; 1804278366Sadrian case 0xb: return 72; 1805278366Sadrian case 0x1: return 96; 1806278366Sadrian case 0x3: return 108; 1807278366Sadrian case 10: return 2; 1808278366Sadrian case 20: return 4; 1809278366Sadrian case 55: return 11; 1810278366Sadrian case 110: return 22; 1811278366Sadrian default: return 0; 1812173362Sbenjsc } 1813278366Sadrian} 1814173362Sbenjsc 1815278366Sadrian/* Quickly determine if a given rate is CCK or OFDM. */ 1816278366Sadrian#define WPI_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22) 1817173362Sbenjsc 1818173362Sbenjscstatic void 1819278366Sadrianwpi_rx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1820278366Sadrian struct wpi_rx_data *data) 1821173362Sbenjsc{ 1822178354Ssam struct ifnet *ifp = sc->sc_ifp; 1823178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1824173362Sbenjsc struct wpi_rx_ring *ring = &sc->rxq; 1825173362Sbenjsc struct wpi_rx_stat *stat; 1826173362Sbenjsc struct wpi_rx_head *head; 1827173362Sbenjsc struct wpi_rx_tail *tail; 1828278366Sadrian struct ieee80211_frame *wh; 1829173362Sbenjsc struct ieee80211_node *ni; 1830278366Sadrian struct mbuf *m, *m1; 1831177043Sthompsa bus_addr_t paddr; 1832278366Sadrian uint32_t flags; 1833278366Sadrian uint16_t len; 1834177043Sthompsa int error; 1835173362Sbenjsc 1836173362Sbenjsc stat = (struct wpi_rx_stat *)(desc + 1); 1837173362Sbenjsc 1838173362Sbenjsc if (stat->len > WPI_STAT_MAXLEN) { 1839278366Sadrian device_printf(sc->sc_dev, "invalid RX statistic header\n"); 1840278764Sadrian goto fail1; 1841173362Sbenjsc } 1842173362Sbenjsc 1843216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTREAD); 1844173362Sbenjsc head = (struct wpi_rx_head *)((caddr_t)(stat + 1) + stat->len); 1845278366Sadrian len = le16toh(head->len); 1846278366Sadrian tail = (struct wpi_rx_tail *)((caddr_t)(head + 1) + len); 1847278366Sadrian flags = le32toh(tail->flags); 1848173362Sbenjsc 1849278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: idx %d len %d stat len %u rssi %d" 1850278366Sadrian " rate %x chan %d tstamp %ju\n", __func__, ring->cur, 1851278366Sadrian le32toh(desc->len), len, (int8_t)stat->rssi, 1852278366Sadrian head->plcp, head->chan, (uintmax_t)le64toh(tail->tstamp)); 1853173362Sbenjsc 1854278366Sadrian /* Discard frames with a bad FCS early. */ 1855278366Sadrian if ((flags & WPI_RX_NOERROR) != WPI_RX_NOERROR) { 1856278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: RX flags error %x\n", 1857278366Sadrian __func__, flags); 1858278764Sadrian goto fail1; 1859190458Sjmallett } 1860278366Sadrian /* Discard frames that are too short. */ 1861278366Sadrian if (len < sizeof (*wh)) { 1862278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: frame too short: %d\n", 1863278366Sadrian __func__, len); 1864278764Sadrian goto fail1; 1865190458Sjmallett } 1866190458Sjmallett 1867278366Sadrian m1 = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1868278366Sadrian if (m1 == NULL) { 1869278366Sadrian DPRINTF(sc, WPI_DEBUG_ANY, "%s: no mbuf to restock ring\n", 1870278366Sadrian __func__); 1871278764Sadrian goto fail1; 1872177043Sthompsa } 1873216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1874216824Sbschmidt 1875278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, mtod(m1, void *), 1876278366Sadrian MJUMPAGESIZE, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 1877177043Sthompsa if (error != 0 && error != EFBIG) { 1878177043Sthompsa device_printf(sc->sc_dev, 1879177043Sthompsa "%s: bus_dmamap_load failed, error %d\n", __func__, error); 1880278366Sadrian m_freem(m1); 1881278366Sadrian 1882278366Sadrian /* Try to reload the old mbuf. */ 1883278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, 1884278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1885278366Sadrian &paddr, BUS_DMA_NOWAIT); 1886278366Sadrian if (error != 0 && error != EFBIG) { 1887278366Sadrian panic("%s: could not load old RX mbuf", __func__); 1888278366Sadrian } 1889278366Sadrian /* Physical address may have changed. */ 1890278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1891278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->desc_dma.map, 1892278366Sadrian BUS_DMASYNC_PREWRITE); 1893278764Sadrian goto fail1; 1894177043Sthompsa } 1895177043Sthompsa 1896173362Sbenjsc m = data->m; 1897278366Sadrian data->m = m1; 1898278366Sadrian /* Update RX descriptor. */ 1899278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1900278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1901278366Sadrian BUS_DMASYNC_PREWRITE); 1902278366Sadrian 1903278366Sadrian /* Finalize mbuf. */ 1904173362Sbenjsc m->m_pkthdr.rcvif = ifp; 1905173362Sbenjsc m->m_data = (caddr_t)(head + 1); 1906278366Sadrian m->m_pkthdr.len = m->m_len = len; 1907173362Sbenjsc 1908278366Sadrian /* Grab a reference to the source node. */ 1909278366Sadrian wh = mtod(m, struct ieee80211_frame *); 1910173362Sbenjsc 1911278366Sadrian if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) && 1912280088Sadrian (flags & WPI_RX_CIPHER_MASK) == WPI_RX_CIPHER_CCMP) { 1913278366Sadrian /* Check whether decryption was successful or not. */ 1914278366Sadrian if ((flags & WPI_RX_DECRYPT_MASK) != WPI_RX_DECRYPT_OK) { 1915278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, 1916278366Sadrian "CCMP decryption failed 0x%x\n", flags); 1917278764Sadrian goto fail2; 1918278366Sadrian } 1919278366Sadrian m->m_flags |= M_WEP; 1920278366Sadrian } 1921278366Sadrian 1922280088Sadrian ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1923280088Sadrian 1924192468Ssam if (ieee80211_radiotap_active(ic)) { 1925173362Sbenjsc struct wpi_rx_radiotap_header *tap = &sc->sc_rxtap; 1926173362Sbenjsc 1927173362Sbenjsc tap->wr_flags = 0; 1928278366Sadrian if (head->flags & htole16(WPI_STAT_FLAG_SHPREAMBLE)) 1929278366Sadrian tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 1930280064Sadrian tap->wr_dbm_antsignal = (int8_t)(stat->rssi + WPI_RSSI_OFFSET); 1931280081Sadrian tap->wr_dbm_antnoise = WPI_RSSI_OFFSET; 1932173362Sbenjsc tap->wr_tsft = tail->tstamp; 1933173362Sbenjsc tap->wr_antenna = (le16toh(head->flags) >> 4) & 0xf; 1934278366Sadrian tap->wr_rate = plcp2rate(head->plcp); 1935173362Sbenjsc } 1936173362Sbenjsc 1937173362Sbenjsc WPI_UNLOCK(sc); 1938173362Sbenjsc 1939278366Sadrian /* Send the frame to the 802.11 layer. */ 1940178354Ssam if (ni != NULL) { 1941280064Sadrian (void)ieee80211_input(ni, m, stat->rssi, WPI_RSSI_OFFSET); 1942278366Sadrian /* Node is no longer needed. */ 1943178354Ssam ieee80211_free_node(ni); 1944178354Ssam } else 1945280064Sadrian (void)ieee80211_input_all(ic, m, stat->rssi, WPI_RSSI_OFFSET); 1946173362Sbenjsc 1947173362Sbenjsc WPI_LOCK(sc); 1948278764Sadrian 1949278764Sadrian return; 1950278764Sadrian 1951280088Sadrianfail2: m_freem(m); 1952278764Sadrian 1953278764Sadrianfail1: if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1954173362Sbenjsc} 1955173362Sbenjsc 1956173362Sbenjscstatic void 1957278366Sadrianwpi_rx_statistics(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1958278366Sadrian struct wpi_rx_data *data) 1959173362Sbenjsc{ 1960278366Sadrian /* Ignore */ 1961278366Sadrian} 1962278366Sadrian 1963278366Sadrianstatic void 1964278366Sadrianwpi_tx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1965278366Sadrian{ 1966178354Ssam struct ifnet *ifp = sc->sc_ifp; 1967173362Sbenjsc struct wpi_tx_ring *ring = &sc->txq[desc->qid & 0x3]; 1968278366Sadrian struct wpi_tx_data *data = &ring->data[desc->idx]; 1969173362Sbenjsc struct wpi_tx_stat *stat = (struct wpi_tx_stat *)(desc + 1); 1970278366Sadrian struct mbuf *m; 1971278366Sadrian struct ieee80211_node *ni; 1972278366Sadrian struct ieee80211vap *vap; 1973280078Sadrian struct ieee80211com *ic; 1974280114Sadrian uint32_t status = le32toh(stat->status); 1975282369Sadrian int ackfailcnt = stat->ackfailcnt / WPI_NTRIES_DEFAULT; 1976173362Sbenjsc 1977278366Sadrian KASSERT(data->ni != NULL, ("no node")); 1978280100Sadrian KASSERT(data->m != NULL, ("no mbuf")); 1979173362Sbenjsc 1980278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1981278366Sadrian 1982278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: " 1983278366Sadrian "qid %d idx %d retries %d btkillcnt %d rate %x duration %d " 1984282369Sadrian "status %x\n", __func__, desc->qid, desc->idx, stat->ackfailcnt, 1985278366Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), status); 1986278366Sadrian 1987278366Sadrian /* Unmap and free mbuf. */ 1988278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTWRITE); 1989278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1990278366Sadrian m = data->m, data->m = NULL; 1991278366Sadrian ni = data->ni, data->ni = NULL; 1992278366Sadrian vap = ni->ni_vap; 1993280078Sadrian ic = vap->iv_ic; 1994278366Sadrian 1995173362Sbenjsc /* 1996173362Sbenjsc * Update rate control statistics for the node. 1997173362Sbenjsc */ 1998282378Sadrian if (status & WPI_TX_STATUS_FAIL) { 1999271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2000278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 2001278764Sadrian IEEE80211_RATECTL_TX_FAILURE, &ackfailcnt, NULL); 2002278366Sadrian } else { 2003271849Sglebius if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 2004278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 2005278764Sadrian IEEE80211_RATECTL_TX_SUCCESS, &ackfailcnt, NULL); 2006278366Sadrian } 2007173362Sbenjsc 2008282378Sadrian ieee80211_tx_complete(ni, m, (status & WPI_TX_STATUS_FAIL) != 0); 2009173362Sbenjsc 2010280112Sadrian WPI_TXQ_STATE_LOCK(sc); 2011280109Sadrian ring->queued -= 1; 2012280111Sadrian if (ring->queued > 0) { 2013280109Sadrian callout_reset(&sc->tx_timeout, 5*hz, wpi_tx_timeout, sc); 2014280111Sadrian 2015280111Sadrian if (sc->qfullmsk != 0 && 2016280111Sadrian ring->queued < WPI_TX_RING_LOMARK) { 2017280111Sadrian sc->qfullmsk &= ~(1 << ring->qid); 2018280111Sadrian IF_LOCK(&ifp->if_snd); 2019280111Sadrian if (sc->qfullmsk == 0 && 2020280111Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) { 2021280111Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2022280111Sadrian IF_UNLOCK(&ifp->if_snd); 2023280111Sadrian ieee80211_runtask(ic, &sc->sc_start_task); 2024280111Sadrian } else 2025280111Sadrian IF_UNLOCK(&ifp->if_snd); 2026280111Sadrian } 2027280111Sadrian } else 2028280109Sadrian callout_stop(&sc->tx_timeout); 2029280112Sadrian WPI_TXQ_STATE_UNLOCK(sc); 2030280109Sadrian 2031278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2032173362Sbenjsc} 2033173362Sbenjsc 2034278366Sadrian/* 2035278366Sadrian * Process a "command done" firmware notification. This is where we wakeup 2036278366Sadrian * processes waiting for a synchronous command completion. 2037278366Sadrian */ 2038173362Sbenjscstatic void 2039278366Sadrianwpi_cmd_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 2040173362Sbenjsc{ 2041280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 2042173362Sbenjsc struct wpi_tx_data *data; 2043173362Sbenjsc 2044280101Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "cmd notification qid %x idx %d flags %x " 2045280101Sadrian "type %s len %d\n", desc->qid, desc->idx, 2046278366Sadrian desc->flags, wpi_cmd_str(desc->type), 2047278366Sadrian le32toh(desc->len)); 2048173362Sbenjsc 2049280064Sadrian if ((desc->qid & WPI_RX_DESC_QID_MSK) != WPI_CMD_QUEUE_NUM) 2050278366Sadrian return; /* Not a command ack. */ 2051173362Sbenjsc 2052280075Sadrian KASSERT(ring->queued == 0, ("ring->queued must be 0")); 2053280075Sadrian 2054173362Sbenjsc data = &ring->data[desc->idx]; 2055173362Sbenjsc 2056278366Sadrian /* If the command was mapped in an mbuf, free it. */ 2057173362Sbenjsc if (data->m != NULL) { 2058278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 2059278366Sadrian BUS_DMASYNC_POSTWRITE); 2060173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 2061173362Sbenjsc m_freem(data->m); 2062173362Sbenjsc data->m = NULL; 2063173362Sbenjsc } 2064173362Sbenjsc 2065173362Sbenjsc wakeup(&ring->cmd[desc->idx]); 2066173362Sbenjsc} 2067173362Sbenjsc 2068173362Sbenjscstatic void 2069173362Sbenjscwpi_notif_intr(struct wpi_softc *sc) 2070173362Sbenjsc{ 2071178354Ssam struct ifnet *ifp = sc->sc_ifp; 2072178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2073278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2074280114Sadrian uint32_t hw; 2075173362Sbenjsc 2076216523Sbschmidt bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 2077216523Sbschmidt BUS_DMASYNC_POSTREAD); 2078216523Sbschmidt 2079173362Sbenjsc hw = le32toh(sc->shared->next); 2080278366Sadrian hw = (hw == 0) ? WPI_RX_RING_COUNT - 1 : hw - 1; 2081216523Sbschmidt 2082278764Sadrian while (sc->rxq.cur != hw) { 2083278366Sadrian sc->rxq.cur = (sc->rxq.cur + 1) % WPI_RX_RING_COUNT; 2084278366Sadrian 2085278366Sadrian struct wpi_rx_data *data = &sc->rxq.data[sc->rxq.cur]; 2086278366Sadrian struct wpi_rx_desc *desc; 2087278366Sadrian 2088216523Sbschmidt bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2089216523Sbschmidt BUS_DMASYNC_POSTREAD); 2090278366Sadrian desc = mtod(data->m, struct wpi_rx_desc *); 2091173362Sbenjsc 2092278366Sadrian DPRINTF(sc, WPI_DEBUG_NOTIFY, 2093278366Sadrian "%s: cur=%d; qid %x idx %d flags %x type %d(%s) len %d\n", 2094278366Sadrian __func__, sc->rxq.cur, desc->qid, desc->idx, desc->flags, 2095278366Sadrian desc->type, wpi_cmd_str(desc->type), le32toh(desc->len)); 2096173362Sbenjsc 2097280064Sadrian if (!(desc->qid & WPI_UNSOLICITED_RX_NOTIF)) { 2098280064Sadrian /* Reply to a command. */ 2099278366Sadrian wpi_cmd_done(sc, desc); 2100280064Sadrian } 2101173362Sbenjsc 2102173362Sbenjsc switch (desc->type) { 2103173362Sbenjsc case WPI_RX_DONE: 2104278366Sadrian /* An 802.11 frame has been received. */ 2105278366Sadrian wpi_rx_done(sc, desc, data); 2106280055Sadrian 2107280055Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2108280055Sadrian /* wpi_stop() was called. */ 2109280055Sadrian return; 2110280055Sadrian } 2111280055Sadrian 2112173362Sbenjsc break; 2113173362Sbenjsc 2114173362Sbenjsc case WPI_TX_DONE: 2115278366Sadrian /* An 802.11 frame has been transmitted. */ 2116278366Sadrian wpi_tx_done(sc, desc); 2117173362Sbenjsc break; 2118173362Sbenjsc 2119278366Sadrian case WPI_RX_STATISTICS: 2120278366Sadrian case WPI_BEACON_STATISTICS: 2121278366Sadrian wpi_rx_statistics(sc, desc, data); 2122278366Sadrian break; 2123278366Sadrian 2124278366Sadrian case WPI_BEACON_MISSED: 2125278366Sadrian { 2126278366Sadrian struct wpi_beacon_missed *miss = 2127278366Sadrian (struct wpi_beacon_missed *)(desc + 1); 2128282389Sadrian uint32_t expected, misses, received, threshold; 2129278366Sadrian 2130278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2131278366Sadrian BUS_DMASYNC_POSTREAD); 2132282388Sadrian 2133278366Sadrian misses = le32toh(miss->consecutive); 2134282388Sadrian expected = le32toh(miss->expected); 2135282388Sadrian received = le32toh(miss->received); 2136282389Sadrian threshold = MAX(2, vap->iv_bmissthreshold); 2137278366Sadrian 2138282387Sadrian DPRINTF(sc, WPI_DEBUG_BMISS, 2139282390Sadrian "%s: beacons missed %u(%u) (received %u/%u)\n", 2140282390Sadrian __func__, misses, le32toh(miss->total), received, 2141282390Sadrian expected); 2142278366Sadrian 2143282392Sadrian if (misses >= threshold || 2144282392Sadrian (received == 0 && expected >= threshold)) { 2145282392Sadrian WPI_RXON_LOCK(sc); 2146282392Sadrian if (callout_pending(&sc->scan_timeout)) { 2147282392Sadrian wpi_cmd(sc, WPI_CMD_SCAN_ABORT, NULL, 2148282392Sadrian 0, 1); 2149282392Sadrian } 2150282392Sadrian WPI_RXON_UNLOCK(sc); 2151282392Sadrian if (vap->iv_state == IEEE80211_S_RUN && 2152282392Sadrian (ic->ic_flags & IEEE80211_F_SCAN) == 0) 2153282392Sadrian ieee80211_beacon_miss(ic); 2154282392Sadrian } 2155280116Sadrian 2156278366Sadrian break; 2157278366Sadrian } 2158282393Sadrian#ifdef WPI_DEBUG 2159282393Sadrian case WPI_BEACON_SENT: 2160282393Sadrian { 2161282393Sadrian struct wpi_tx_stat *stat = 2162282393Sadrian (struct wpi_tx_stat *)(desc + 1); 2163282393Sadrian uint64_t *tsf = (uint64_t *)(stat + 1); 2164282393Sadrian uint32_t *mode = (uint32_t *)(tsf + 1); 2165282393Sadrian 2166282393Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2167282393Sadrian BUS_DMASYNC_POSTREAD); 2168282393Sadrian 2169282393Sadrian DPRINTF(sc, WPI_DEBUG_BEACON, 2170282393Sadrian "beacon sent: rts %u, ack %u, btkill %u, rate %u, " 2171282393Sadrian "duration %u, status %x, tsf %ju, mode %x\n", 2172282393Sadrian stat->rtsfailcnt, stat->ackfailcnt, 2173282393Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), 2174282393Sadrian le32toh(stat->status), *tsf, *mode); 2175282393Sadrian 2176282393Sadrian break; 2177282393Sadrian } 2178282393Sadrian#endif 2179173362Sbenjsc case WPI_UC_READY: 2180173362Sbenjsc { 2181173362Sbenjsc struct wpi_ucode_info *uc = 2182278366Sadrian (struct wpi_ucode_info *)(desc + 1); 2183173362Sbenjsc 2184278366Sadrian /* The microcontroller is ready. */ 2185278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2186278366Sadrian BUS_DMASYNC_POSTREAD); 2187278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, 2188278366Sadrian "microcode alive notification version=%d.%d " 2189278366Sadrian "subtype=%x alive=%x\n", uc->major, uc->minor, 2190278366Sadrian uc->subtype, le32toh(uc->valid)); 2191173362Sbenjsc 2192173362Sbenjsc if (le32toh(uc->valid) != 1) { 2193173362Sbenjsc device_printf(sc->sc_dev, 2194173362Sbenjsc "microcontroller initialization failed\n"); 2195173362Sbenjsc wpi_stop_locked(sc); 2196173362Sbenjsc } 2197278366Sadrian /* Save the address of the error log in SRAM. */ 2198278366Sadrian sc->errptr = le32toh(uc->errptr); 2199173362Sbenjsc break; 2200173362Sbenjsc } 2201173362Sbenjsc case WPI_STATE_CHANGED: 2202173362Sbenjsc { 2203280059Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2204280059Sadrian BUS_DMASYNC_POSTREAD); 2205278366Sadrian 2206173362Sbenjsc uint32_t *status = (uint32_t *)(desc + 1); 2207278764Sadrian 2208278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "state changed to %x\n", 2209278366Sadrian le32toh(*status)); 2210278764Sadrian 2211173362Sbenjsc if (le32toh(*status) & 1) { 2212280077Sadrian WPI_NT_LOCK(sc); 2213280069Sadrian wpi_clear_node_table(sc); 2214280077Sadrian WPI_NT_UNLOCK(sc); 2215282377Sadrian taskqueue_enqueue(sc->sc_tq, 2216282377Sadrian &sc->sc_radiooff_task); 2217278366Sadrian return; 2218173362Sbenjsc } 2219173362Sbenjsc break; 2220173362Sbenjsc } 2221282395Sadrian#ifdef WPI_DEBUG 2222173362Sbenjsc case WPI_START_SCAN: 2223173362Sbenjsc { 2224278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2225278366Sadrian BUS_DMASYNC_POSTREAD); 2226282395Sadrian 2227173362Sbenjsc struct wpi_start_scan *scan = 2228278366Sadrian (struct wpi_start_scan *)(desc + 1); 2229278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2230278366Sadrian "%s: scanning channel %d status %x\n", 2231278366Sadrian __func__, scan->chan, le32toh(scan->status)); 2232282395Sadrian 2233173362Sbenjsc break; 2234173362Sbenjsc } 2235282395Sadrian#endif 2236173362Sbenjsc case WPI_STOP_SCAN: 2237173362Sbenjsc { 2238278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2239278366Sadrian BUS_DMASYNC_POSTREAD); 2240282392Sadrian 2241173362Sbenjsc struct wpi_stop_scan *scan = 2242278366Sadrian (struct wpi_stop_scan *)(desc + 1); 2243282392Sadrian 2244278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2245278366Sadrian "scan finished nchan=%d status=%d chan=%d\n", 2246278366Sadrian scan->nchan, scan->status, scan->chan); 2247282392Sadrian 2248280108Sadrian WPI_RXON_LOCK(sc); 2249280106Sadrian callout_stop(&sc->scan_timeout); 2250280108Sadrian WPI_RXON_UNLOCK(sc); 2251282392Sadrian if (scan->status == WPI_SCAN_ABORTED) 2252282392Sadrian ieee80211_cancel_scan(vap); 2253282392Sadrian else 2254282392Sadrian ieee80211_scan_next(vap); 2255173362Sbenjsc break; 2256173362Sbenjsc } 2257278366Sadrian } 2258280119Sadrian 2259280119Sadrian if (sc->rxq.cur % 8 == 0) { 2260280119Sadrian /* Tell the firmware what we have processed. */ 2261280119Sadrian wpi_update_rx_ring(sc); 2262280119Sadrian } 2263278764Sadrian } 2264278366Sadrian} 2265278366Sadrian 2266278366Sadrian/* 2267278366Sadrian * Process an INT_WAKEUP interrupt raised when the microcontroller wakes up 2268278366Sadrian * from power-down sleep mode. 2269278366Sadrian */ 2270280059Sadrianstatic void 2271278366Sadrianwpi_wakeup_intr(struct wpi_softc *sc) 2272278366Sadrian{ 2273278366Sadrian int qid; 2274278366Sadrian 2275278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 2276278366Sadrian "%s: ucode wakeup from power-down sleep\n", __func__); 2277278366Sadrian 2278278366Sadrian /* Wakeup RX and TX rings. */ 2279278366Sadrian if (sc->rxq.update) { 2280278764Sadrian sc->rxq.update = 0; 2281278366Sadrian wpi_update_rx_ring(sc); 2282278366Sadrian } 2283280071Sadrian WPI_TXQ_LOCK(sc); 2284280058Sadrian for (qid = 0; qid < WPI_DRV_NTXQUEUES; qid++) { 2285278366Sadrian struct wpi_tx_ring *ring = &sc->txq[qid]; 2286278366Sadrian 2287278366Sadrian if (ring->update) { 2288278764Sadrian ring->update = 0; 2289278366Sadrian wpi_update_tx_ring(sc, ring); 2290173362Sbenjsc } 2291278366Sadrian } 2292280071Sadrian WPI_TXQ_UNLOCK(sc); 2293173362Sbenjsc 2294278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 2295278366Sadrian} 2296278366Sadrian 2297278366Sadrian/* 2298280093Sadrian * This function prints firmware registers 2299280093Sadrian */ 2300280093Sadrian#ifdef WPI_DEBUG 2301280093Sadrianstatic void 2302280093Sadrianwpi_debug_registers(struct wpi_softc *sc) 2303280093Sadrian{ 2304280093Sadrian int i; 2305280093Sadrian static const uint32_t csr_tbl[] = { 2306280093Sadrian WPI_HW_IF_CONFIG, 2307280093Sadrian WPI_INT, 2308280093Sadrian WPI_INT_MASK, 2309280093Sadrian WPI_FH_INT, 2310280093Sadrian WPI_GPIO_IN, 2311280093Sadrian WPI_RESET, 2312280093Sadrian WPI_GP_CNTRL, 2313280093Sadrian WPI_EEPROM, 2314280093Sadrian WPI_EEPROM_GP, 2315280093Sadrian WPI_GIO, 2316280093Sadrian WPI_UCODE_GP1, 2317280093Sadrian WPI_UCODE_GP2, 2318280093Sadrian WPI_GIO_CHICKEN, 2319280093Sadrian WPI_ANA_PLL, 2320280093Sadrian WPI_DBG_HPET_MEM, 2321280093Sadrian }; 2322280093Sadrian static const uint32_t prph_tbl[] = { 2323280093Sadrian WPI_APMG_CLK_CTRL, 2324280093Sadrian WPI_APMG_PS, 2325280093Sadrian WPI_APMG_PCI_STT, 2326280093Sadrian WPI_APMG_RFKILL, 2327280093Sadrian }; 2328280093Sadrian 2329280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER,"%s","\n"); 2330280093Sadrian 2331282396Sadrian for (i = 0; i < nitems(csr_tbl); i++) { 2332280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, " %-18s: 0x%08x ", 2333280093Sadrian wpi_get_csr_string(csr_tbl[i]), WPI_READ(sc, csr_tbl[i])); 2334280093Sadrian 2335280093Sadrian if ((i + 1) % 2 == 0) 2336280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2337280093Sadrian } 2338280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n\n"); 2339280093Sadrian 2340280093Sadrian if (wpi_nic_lock(sc) == 0) { 2341282396Sadrian for (i = 0; i < nitems(prph_tbl); i++) { 2342280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, " %-18s: 0x%08x ", 2343280093Sadrian wpi_get_prph_string(prph_tbl[i]), 2344280093Sadrian wpi_prph_read(sc, prph_tbl[i])); 2345280093Sadrian 2346280093Sadrian if ((i + 1) % 2 == 0) 2347280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2348280093Sadrian } 2349280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2350280093Sadrian wpi_nic_unlock(sc); 2351280093Sadrian } else { 2352280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, 2353280093Sadrian "Cannot access internal registers.\n"); 2354280093Sadrian } 2355280093Sadrian} 2356280093Sadrian#endif 2357280093Sadrian 2358280093Sadrian/* 2359278366Sadrian * Dump the error log of the firmware when a firmware panic occurs. Although 2360278366Sadrian * we can't debug the firmware because it is neither open source nor free, it 2361278366Sadrian * can help us to identify certain classes of problems. 2362278366Sadrian */ 2363278366Sadrianstatic void 2364278366Sadrianwpi_fatal_intr(struct wpi_softc *sc) 2365278366Sadrian{ 2366278366Sadrian struct wpi_fw_dump dump; 2367278366Sadrian uint32_t i, offset, count; 2368278366Sadrian 2369278366Sadrian /* Check that the error log address is valid. */ 2370278366Sadrian if (sc->errptr < WPI_FW_DATA_BASE || 2371278366Sadrian sc->errptr + sizeof (dump) > 2372278366Sadrian WPI_FW_DATA_BASE + WPI_FW_DATA_MAXSZ) { 2373278366Sadrian printf("%s: bad firmware error log address 0x%08x\n", __func__, 2374278366Sadrian sc->errptr); 2375280059Sadrian return; 2376280059Sadrian } 2377278366Sadrian if (wpi_nic_lock(sc) != 0) { 2378278366Sadrian printf("%s: could not read firmware error log\n", __func__); 2379280059Sadrian return; 2380280059Sadrian } 2381278366Sadrian /* Read number of entries in the log. */ 2382278366Sadrian count = wpi_mem_read(sc, sc->errptr); 2383278366Sadrian if (count == 0 || count * sizeof (dump) > WPI_FW_DATA_MAXSZ) { 2384278366Sadrian printf("%s: invalid count field (count = %u)\n", __func__, 2385278366Sadrian count); 2386278366Sadrian wpi_nic_unlock(sc); 2387278366Sadrian return; 2388173362Sbenjsc } 2389278366Sadrian /* Skip "count" field. */ 2390278366Sadrian offset = sc->errptr + sizeof (uint32_t); 2391278366Sadrian printf("firmware error log (count = %u):\n", count); 2392278366Sadrian for (i = 0; i < count; i++) { 2393278366Sadrian wpi_mem_read_region_4(sc, offset, (uint32_t *)&dump, 2394278366Sadrian sizeof (dump) / sizeof (uint32_t)); 2395173362Sbenjsc 2396278366Sadrian printf(" error type = \"%s\" (0x%08X)\n", 2397282396Sadrian (dump.desc < nitems(wpi_fw_errmsg)) ? 2398278366Sadrian wpi_fw_errmsg[dump.desc] : "UNKNOWN", 2399278366Sadrian dump.desc); 2400278366Sadrian printf(" error data = 0x%08X\n", 2401278366Sadrian dump.data); 2402278366Sadrian printf(" branch link = 0x%08X%08X\n", 2403278366Sadrian dump.blink[0], dump.blink[1]); 2404278366Sadrian printf(" interrupt link = 0x%08X%08X\n", 2405278366Sadrian dump.ilink[0], dump.ilink[1]); 2406278366Sadrian printf(" time = %u\n", dump.time); 2407278366Sadrian 2408278366Sadrian offset += sizeof (dump); 2409278366Sadrian } 2410278366Sadrian wpi_nic_unlock(sc); 2411278366Sadrian /* Dump driver status (TX and RX rings) while we're here. */ 2412278366Sadrian printf("driver status:\n"); 2413280071Sadrian WPI_TXQ_LOCK(sc); 2414280058Sadrian for (i = 0; i < WPI_DRV_NTXQUEUES; i++) { 2415278366Sadrian struct wpi_tx_ring *ring = &sc->txq[i]; 2416278366Sadrian printf(" tx ring %2d: qid=%-2d cur=%-3d queued=%-3d\n", 2417278366Sadrian i, ring->qid, ring->cur, ring->queued); 2418278366Sadrian } 2419280071Sadrian WPI_TXQ_UNLOCK(sc); 2420278366Sadrian printf(" rx ring: cur=%d\n", sc->rxq.cur); 2421173362Sbenjsc} 2422173362Sbenjsc 2423173362Sbenjscstatic void 2424173362Sbenjscwpi_intr(void *arg) 2425173362Sbenjsc{ 2426173362Sbenjsc struct wpi_softc *sc = arg; 2427278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2428278366Sadrian uint32_t r1, r2; 2429173362Sbenjsc 2430173362Sbenjsc WPI_LOCK(sc); 2431173362Sbenjsc 2432278366Sadrian /* Disable interrupts. */ 2433278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 2434278366Sadrian 2435278366Sadrian r1 = WPI_READ(sc, WPI_INT); 2436278366Sadrian 2437280065Sadrian if (r1 == 0xffffffff || (r1 & 0xfffffff0) == 0xa5a5a5a0) 2438280065Sadrian goto end; /* Hardware gone! */ 2439173362Sbenjsc 2440278366Sadrian r2 = WPI_READ(sc, WPI_FH_INT); 2441173362Sbenjsc 2442278366Sadrian DPRINTF(sc, WPI_DEBUG_INTR, "%s: reg1=0x%08x reg2=0x%08x\n", __func__, 2443278366Sadrian r1, r2); 2444278366Sadrian 2445278366Sadrian if (r1 == 0 && r2 == 0) 2446278366Sadrian goto done; /* Interrupt not for us. */ 2447278366Sadrian 2448278366Sadrian /* Acknowledge interrupts. */ 2449278366Sadrian WPI_WRITE(sc, WPI_INT, r1); 2450278366Sadrian WPI_WRITE(sc, WPI_FH_INT, r2); 2451278366Sadrian 2452278366Sadrian if (r1 & (WPI_INT_SW_ERR | WPI_INT_HW_ERR)) { 2453173362Sbenjsc device_printf(sc->sc_dev, "fatal firmware error\n"); 2454280093Sadrian#ifdef WPI_DEBUG 2455280093Sadrian wpi_debug_registers(sc); 2456280093Sadrian#endif 2457278366Sadrian wpi_fatal_intr(sc); 2458278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 2459278366Sadrian "(%s)\n", (r1 & WPI_INT_SW_ERR) ? "(Software Error)" : 2460278366Sadrian "(Hardware Error)"); 2461280120Sadrian taskqueue_enqueue(sc->sc_tq, &sc->sc_reinittask); 2462280065Sadrian goto end; 2463173362Sbenjsc } 2464173362Sbenjsc 2465278366Sadrian if ((r1 & (WPI_INT_FH_RX | WPI_INT_SW_RX)) || 2466278366Sadrian (r2 & WPI_FH_INT_RX)) 2467173362Sbenjsc wpi_notif_intr(sc); 2468173362Sbenjsc 2469278366Sadrian if (r1 & WPI_INT_ALIVE) 2470278366Sadrian wakeup(sc); /* Firmware is alive. */ 2471173362Sbenjsc 2472278366Sadrian if (r1 & WPI_INT_WAKEUP) 2473278366Sadrian wpi_wakeup_intr(sc); 2474173362Sbenjsc 2475278366Sadriandone: 2476278366Sadrian /* Re-enable interrupts. */ 2477278366Sadrian if (ifp->if_flags & IFF_UP) 2478278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 2479278366Sadrian 2480280065Sadrianend: WPI_UNLOCK(sc); 2481173362Sbenjsc} 2482173362Sbenjsc 2483278366Sadrianstatic int 2484278366Sadrianwpi_cmd2(struct wpi_softc *sc, struct wpi_buf *buf) 2485173362Sbenjsc{ 2486280110Sadrian struct ifnet *ifp = sc->sc_ifp; 2487278366Sadrian struct ieee80211_frame *wh; 2488278366Sadrian struct wpi_tx_cmd *cmd; 2489278366Sadrian struct wpi_tx_data *data; 2490278366Sadrian struct wpi_tx_desc *desc; 2491278366Sadrian struct wpi_tx_ring *ring; 2492278366Sadrian struct mbuf *m1; 2493278366Sadrian bus_dma_segment_t *seg, segs[WPI_MAX_SCATTER]; 2494279763Sadrian int error, i, hdrlen, nsegs, totlen, pad; 2495173362Sbenjsc 2496280071Sadrian WPI_TXQ_LOCK(sc); 2497280071Sadrian 2498280082Sadrian KASSERT(buf->size <= sizeof(buf->data), ("buffer overflow")); 2499280082Sadrian 2500278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2501278366Sadrian 2502280071Sadrian if (sc->txq_active == 0) { 2503280071Sadrian /* wpi_stop() was called */ 2504280071Sadrian error = ENETDOWN; 2505280071Sadrian goto fail; 2506280071Sadrian } 2507280071Sadrian 2508278366Sadrian wh = mtod(buf->m, struct ieee80211_frame *); 2509279763Sadrian hdrlen = ieee80211_anyhdrsize(wh); 2510278366Sadrian totlen = buf->m->m_pkthdr.len; 2511278366Sadrian 2512279763Sadrian if (hdrlen & 3) { 2513279763Sadrian /* First segment length must be a multiple of 4. */ 2514279763Sadrian pad = 4 - (hdrlen & 3); 2515279763Sadrian } else 2516279763Sadrian pad = 0; 2517279763Sadrian 2518278366Sadrian ring = &sc->txq[buf->ac]; 2519278366Sadrian desc = &ring->desc[ring->cur]; 2520278366Sadrian data = &ring->data[ring->cur]; 2521278366Sadrian 2522278366Sadrian /* Prepare TX firmware command. */ 2523278366Sadrian cmd = &ring->cmd[ring->cur]; 2524278366Sadrian cmd->code = buf->code; 2525278366Sadrian cmd->flags = 0; 2526278366Sadrian cmd->qid = ring->qid; 2527278366Sadrian cmd->idx = ring->cur; 2528278366Sadrian 2529278366Sadrian memcpy(cmd->data, buf->data, buf->size); 2530278366Sadrian 2531278366Sadrian /* Save and trim IEEE802.11 header. */ 2532279763Sadrian memcpy((uint8_t *)(cmd->data + buf->size), wh, hdrlen); 2533279763Sadrian m_adj(buf->m, hdrlen); 2534278366Sadrian 2535278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, buf->m, 2536278366Sadrian segs, &nsegs, BUS_DMA_NOWAIT); 2537278366Sadrian if (error != 0 && error != EFBIG) { 2538278366Sadrian device_printf(sc->sc_dev, 2539278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, error); 2540280071Sadrian goto fail; 2541173362Sbenjsc } 2542278366Sadrian if (error != 0) { 2543278366Sadrian /* Too many DMA segments, linearize mbuf. */ 2544280050Sadrian m1 = m_collapse(buf->m, M_NOWAIT, WPI_MAX_SCATTER - 1); 2545278366Sadrian if (m1 == NULL) { 2546278366Sadrian device_printf(sc->sc_dev, 2547278366Sadrian "%s: could not defrag mbuf\n", __func__); 2548280071Sadrian error = ENOBUFS; 2549280071Sadrian goto fail; 2550278366Sadrian } 2551278366Sadrian buf->m = m1; 2552278366Sadrian 2553278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, 2554278366Sadrian buf->m, segs, &nsegs, BUS_DMA_NOWAIT); 2555278366Sadrian if (error != 0) { 2556278366Sadrian device_printf(sc->sc_dev, 2557280066Sadrian "%s: can't map mbuf (error %d)\n", __func__, 2558280066Sadrian error); 2559280071Sadrian goto fail; 2560278366Sadrian } 2561278366Sadrian } 2562278366Sadrian 2563280050Sadrian KASSERT(nsegs < WPI_MAX_SCATTER, 2564280050Sadrian ("too many DMA segments, nsegs (%d) should be less than %d", 2565280050Sadrian nsegs, WPI_MAX_SCATTER)); 2566280050Sadrian 2567278366Sadrian data->m = buf->m; 2568278366Sadrian data->ni = buf->ni; 2569278366Sadrian 2570278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: qid %d idx %d len %d nsegs %d\n", 2571278366Sadrian __func__, ring->qid, ring->cur, totlen, nsegs); 2572278366Sadrian 2573278366Sadrian /* Fill TX descriptor. */ 2574279763Sadrian desc->nsegs = WPI_PAD32(totlen + pad) << 4 | (1 + nsegs); 2575278366Sadrian /* First DMA segment is used by the TX command. */ 2576278366Sadrian desc->segs[0].addr = htole32(data->cmd_paddr); 2577279763Sadrian desc->segs[0].len = htole32(4 + buf->size + hdrlen + pad); 2578278366Sadrian /* Other DMA segments are for data payload. */ 2579278366Sadrian seg = &segs[0]; 2580278366Sadrian for (i = 1; i <= nsegs; i++) { 2581278366Sadrian desc->segs[i].addr = htole32(seg->ds_addr); 2582278366Sadrian desc->segs[i].len = htole32(seg->ds_len); 2583278366Sadrian seg++; 2584278366Sadrian } 2585278366Sadrian 2586278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); 2587278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2588278366Sadrian BUS_DMASYNC_PREWRITE); 2589278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2590278366Sadrian BUS_DMASYNC_PREWRITE); 2591278366Sadrian 2592278366Sadrian /* Kick TX ring. */ 2593278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2594278366Sadrian wpi_update_tx_ring(sc, ring); 2595278366Sadrian 2596280075Sadrian if (ring->qid < WPI_CMD_QUEUE_NUM) { 2597280075Sadrian /* Mark TX ring as full if we reach a certain threshold. */ 2598280112Sadrian WPI_TXQ_STATE_LOCK(sc); 2599280110Sadrian if (++ring->queued > WPI_TX_RING_HIMARK) { 2600280075Sadrian sc->qfullmsk |= 1 << ring->qid; 2601278366Sadrian 2602280110Sadrian IF_LOCK(&ifp->if_snd); 2603280110Sadrian ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2604280110Sadrian IF_UNLOCK(&ifp->if_snd); 2605280110Sadrian } 2606280110Sadrian 2607280109Sadrian callout_reset(&sc->tx_timeout, 5*hz, wpi_tx_timeout, sc); 2608280112Sadrian WPI_TXQ_STATE_UNLOCK(sc); 2609280075Sadrian } 2610280074Sadrian 2611278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2612278366Sadrian 2613280071Sadrian WPI_TXQ_UNLOCK(sc); 2614280071Sadrian 2615278366Sadrian return 0; 2616280071Sadrian 2617280071Sadrianfail: m_freem(buf->m); 2618280071Sadrian 2619280071Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2620280071Sadrian 2621280071Sadrian WPI_TXQ_UNLOCK(sc); 2622280071Sadrian 2623280071Sadrian return error; 2624173362Sbenjsc} 2625173362Sbenjsc 2626173362Sbenjsc/* 2627278366Sadrian * Construct the data packet for a transmit buffer. 2628173362Sbenjsc */ 2629173362Sbenjscstatic int 2630278366Sadrianwpi_tx_data(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2631173362Sbenjsc{ 2632278366Sadrian const struct ieee80211_txparam *tp; 2633178354Ssam struct ieee80211vap *vap = ni->ni_vap; 2634278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2635280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 2636278366Sadrian struct ieee80211_channel *chan; 2637173362Sbenjsc struct ieee80211_frame *wh; 2638278366Sadrian struct ieee80211_key *k = NULL; 2639278366Sadrian struct wpi_buf tx_data; 2640280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2641278366Sadrian uint32_t flags; 2642278366Sadrian uint16_t qos; 2643278366Sadrian uint8_t tid, type; 2644280068Sadrian int ac, error, swcrypt, rate, ismcast, totlen; 2645173362Sbenjsc 2646278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2647278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2648278366Sadrian ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 2649173362Sbenjsc 2650278366Sadrian /* Select EDCA Access Category and TX ring for this frame. */ 2651278366Sadrian if (IEEE80211_QOS_HAS_SEQ(wh)) { 2652282391Sadrian qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 2653278366Sadrian tid = qos & IEEE80211_QOS_TID; 2654278366Sadrian } else { 2655278366Sadrian qos = 0; 2656278366Sadrian tid = 0; 2657280059Sadrian } 2658278366Sadrian ac = M_WME_GETAC(m); 2659173362Sbenjsc 2660278366Sadrian chan = (ni->ni_chan != IEEE80211_CHAN_ANYC) ? 2661278366Sadrian ni->ni_chan : ic->ic_curchan; 2662278366Sadrian tp = &vap->iv_txparms[ieee80211_chan2mode(chan)]; 2663173362Sbenjsc 2664278366Sadrian /* Choose a TX rate index. */ 2665278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) 2666278366Sadrian rate = tp->mgmtrate; 2667278366Sadrian else if (ismcast) 2668278366Sadrian rate = tp->mcastrate; 2669278366Sadrian else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2670278366Sadrian rate = tp->ucastrate; 2671278366Sadrian else if (m->m_flags & M_EAPOL) 2672278366Sadrian rate = tp->mgmtrate; 2673278366Sadrian else { 2674278366Sadrian /* XXX pass pktlen */ 2675278366Sadrian (void) ieee80211_ratectl_rate(ni, NULL, 0); 2676278366Sadrian rate = ni->ni_txrate; 2677278366Sadrian } 2678278366Sadrian 2679278366Sadrian /* Encrypt the frame if need be. */ 2680260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2681278366Sadrian /* Retrieve key for TX. */ 2682278366Sadrian k = ieee80211_crypto_encap(ni, m); 2683177043Sthompsa if (k == NULL) { 2684278366Sadrian error = ENOBUFS; 2685278366Sadrian goto fail; 2686173362Sbenjsc } 2687280068Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2688280068Sadrian 2689278366Sadrian /* 802.11 header may have moved. */ 2690278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2691173362Sbenjsc } 2692279763Sadrian totlen = m->m_pkthdr.len; 2693173362Sbenjsc 2694278366Sadrian if (ieee80211_radiotap_active_vap(vap)) { 2695278366Sadrian struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2696173362Sbenjsc 2697279763Sadrian tap->wt_flags = 0; 2698278366Sadrian tap->wt_rate = rate; 2699278366Sadrian if (k != NULL) 2700278366Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2701173362Sbenjsc 2702278366Sadrian ieee80211_radiotap_tx(vap, m); 2703278366Sadrian } 2704278366Sadrian 2705278366Sadrian flags = 0; 2706177119Ssam if (!ismcast) { 2707278366Sadrian /* Unicast frame, check if an ACK is expected. */ 2708278366Sadrian if (!qos || (qos & IEEE80211_QOS_ACKPOLICY) != 2709278366Sadrian IEEE80211_QOS_ACKPOLICY_NOACK) 2710278366Sadrian flags |= WPI_TX_NEED_ACK; 2711278366Sadrian } 2712278366Sadrian 2713278764Sadrian if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) 2714278764Sadrian flags |= WPI_TX_MORE_FRAG; /* Cannot happen yet. */ 2715278764Sadrian 2716278366Sadrian /* Check if frame must be protected using RTS/CTS or CTS-to-self. */ 2717278366Sadrian if (!ismcast) { 2718278366Sadrian /* NB: Group frames are sent using CCK in 802.11b/g. */ 2719278366Sadrian if (totlen + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) { 2720278366Sadrian flags |= WPI_TX_NEED_RTS; 2721278366Sadrian } else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2722278366Sadrian WPI_RATE_IS_OFDM(rate)) { 2723278366Sadrian if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2724278366Sadrian flags |= WPI_TX_NEED_CTS; 2725278366Sadrian else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2726278366Sadrian flags |= WPI_TX_NEED_RTS; 2727177043Sthompsa } 2728278366Sadrian 2729278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2730278366Sadrian flags |= WPI_TX_FULL_TXOP; 2731173362Sbenjsc } 2732278366Sadrian 2733280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2734278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2735173362Sbenjsc uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2736278366Sadrian 2737278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2738173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2739278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2740173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2741177043Sthompsa subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2742280082Sadrian tx->timeout = htole16(3); 2743173362Sbenjsc else 2744280082Sadrian tx->timeout = htole16(2); 2745177043Sthompsa } 2746173362Sbenjsc 2747278366Sadrian if (ismcast || type != IEEE80211_FC0_TYPE_DATA) 2748280082Sadrian tx->id = WPI_ID_BROADCAST; 2749278366Sadrian else { 2750278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 2751278366Sadrian device_printf(sc->sc_dev, 2752278366Sadrian "%s: undefined node id\n", __func__); 2753278366Sadrian error = EINVAL; 2754278366Sadrian goto fail; 2755278366Sadrian } 2756278366Sadrian 2757280082Sadrian tx->id = wn->id; 2758278366Sadrian } 2759278366Sadrian 2760280068Sadrian if (k != NULL && !swcrypt) { 2761280068Sadrian switch (k->wk_cipher->ic_cipher) { 2762280068Sadrian case IEEE80211_CIPHER_AES_CCM: 2763280082Sadrian tx->security = WPI_CIPHER_CCMP; 2764280068Sadrian break; 2765280068Sadrian 2766280068Sadrian default: 2767280068Sadrian break; 2768280068Sadrian } 2769280068Sadrian 2770280082Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 2771280068Sadrian } 2772280068Sadrian 2773280082Sadrian tx->len = htole16(totlen); 2774280082Sadrian tx->flags = htole32(flags); 2775280082Sadrian tx->plcp = rate2plcp(rate); 2776280082Sadrian tx->tid = tid; 2777280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 2778280082Sadrian tx->ofdm_mask = 0xff; 2779280082Sadrian tx->cck_mask = 0x0f; 2780280082Sadrian tx->rts_ntries = 7; 2781282373Sadrian tx->data_ntries = tp->maxretry; 2782278366Sadrian 2783278366Sadrian tx_data.ni = ni; 2784278366Sadrian tx_data.m = m; 2785280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 2786278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2787278366Sadrian tx_data.ac = ac; 2788278366Sadrian 2789278366Sadrian return wpi_cmd2(sc, &tx_data); 2790278366Sadrian 2791278366Sadrianfail: m_freem(m); 2792278366Sadrian return error; 2793278366Sadrian} 2794278366Sadrian 2795278366Sadrianstatic int 2796280066Sadrianwpi_tx_data_raw(struct wpi_softc *sc, struct mbuf *m, 2797280066Sadrian struct ieee80211_node *ni, const struct ieee80211_bpf_params *params) 2798278366Sadrian{ 2799278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 2800280087Sadrian struct ieee80211_key *k = NULL; 2801278366Sadrian struct ieee80211_frame *wh; 2802278366Sadrian struct wpi_buf tx_data; 2803280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2804278366Sadrian uint32_t flags; 2805278366Sadrian uint8_t type; 2806280087Sadrian int ac, rate, swcrypt, totlen; 2807278366Sadrian 2808278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2809278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2810278366Sadrian 2811278366Sadrian ac = params->ibp_pri & 3; 2812278366Sadrian 2813278366Sadrian /* Choose a TX rate index. */ 2814278366Sadrian rate = params->ibp_rate0; 2815278366Sadrian 2816278366Sadrian flags = 0; 2817278366Sadrian if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2818278366Sadrian flags |= WPI_TX_NEED_ACK; 2819278366Sadrian if (params->ibp_flags & IEEE80211_BPF_RTS) 2820278366Sadrian flags |= WPI_TX_NEED_RTS; 2821278366Sadrian if (params->ibp_flags & IEEE80211_BPF_CTS) 2822278366Sadrian flags |= WPI_TX_NEED_CTS; 2823278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2824278366Sadrian flags |= WPI_TX_FULL_TXOP; 2825278366Sadrian 2826280087Sadrian /* Encrypt the frame if need be. */ 2827280087Sadrian if (params->ibp_flags & IEEE80211_BPF_CRYPTO) { 2828280087Sadrian /* Retrieve key for TX. */ 2829280087Sadrian k = ieee80211_crypto_encap(ni, m); 2830280087Sadrian if (k == NULL) { 2831280087Sadrian m_freem(m); 2832280087Sadrian return ENOBUFS; 2833280087Sadrian } 2834280087Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2835280087Sadrian 2836280087Sadrian /* 802.11 header may have moved. */ 2837280087Sadrian wh = mtod(m, struct ieee80211_frame *); 2838280087Sadrian } 2839280087Sadrian totlen = m->m_pkthdr.len; 2840280087Sadrian 2841192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2842177043Sthompsa struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2843278366Sadrian 2844177043Sthompsa tap->wt_flags = 0; 2845177043Sthompsa tap->wt_rate = rate; 2846280087Sadrian if (params->ibp_flags & IEEE80211_BPF_CRYPTO) 2847280087Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2848178354Ssam 2849278366Sadrian ieee80211_radiotap_tx(vap, m); 2850177043Sthompsa } 2851173362Sbenjsc 2852280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2853278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2854278366Sadrian uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2855173362Sbenjsc 2856278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2857278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2858278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2859278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2860278366Sadrian subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2861280082Sadrian tx->timeout = htole16(3); 2862278366Sadrian else 2863280082Sadrian tx->timeout = htole16(2); 2864173362Sbenjsc } 2865173362Sbenjsc 2866280087Sadrian if (k != NULL && !swcrypt) { 2867280087Sadrian switch (k->wk_cipher->ic_cipher) { 2868280087Sadrian case IEEE80211_CIPHER_AES_CCM: 2869280087Sadrian tx->security = WPI_CIPHER_CCMP; 2870280087Sadrian break; 2871280087Sadrian 2872280087Sadrian default: 2873280087Sadrian break; 2874280087Sadrian } 2875280087Sadrian 2876280087Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 2877280087Sadrian } 2878280087Sadrian 2879280082Sadrian tx->len = htole16(totlen); 2880280082Sadrian tx->flags = htole32(flags); 2881280082Sadrian tx->plcp = rate2plcp(rate); 2882280082Sadrian tx->id = WPI_ID_BROADCAST; 2883280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 2884280082Sadrian tx->rts_ntries = params->ibp_try1; 2885280082Sadrian tx->data_ntries = params->ibp_try0; 2886278366Sadrian 2887278366Sadrian tx_data.ni = ni; 2888278366Sadrian tx_data.m = m; 2889280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 2890278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2891278366Sadrian tx_data.ac = ac; 2892278366Sadrian 2893278366Sadrian return wpi_cmd2(sc, &tx_data); 2894278366Sadrian} 2895278366Sadrian 2896278366Sadrianstatic int 2897278366Sadrianwpi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2898278366Sadrian const struct ieee80211_bpf_params *params) 2899278366Sadrian{ 2900278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2901278366Sadrian struct ifnet *ifp = ic->ic_ifp; 2902278366Sadrian struct wpi_softc *sc = ifp->if_softc; 2903278366Sadrian int error = 0; 2904278366Sadrian 2905278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2906278366Sadrian 2907278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2908278366Sadrian ieee80211_free_node(ni); 2909278366Sadrian m_freem(m); 2910278366Sadrian return ENETDOWN; 2911173362Sbenjsc } 2912173362Sbenjsc 2913280113Sadrian WPI_TX_LOCK(sc); 2914278366Sadrian if (params == NULL) { 2915278366Sadrian /* 2916278366Sadrian * Legacy path; interpret frame contents to decide 2917278366Sadrian * precisely how to send the frame. 2918278366Sadrian */ 2919278366Sadrian error = wpi_tx_data(sc, m, ni); 2920278366Sadrian } else { 2921278366Sadrian /* 2922278366Sadrian * Caller supplied explicit parameters to use in 2923278366Sadrian * sending the frame. 2924278366Sadrian */ 2925278366Sadrian error = wpi_tx_data_raw(sc, m, ni, params); 2926278366Sadrian } 2927280113Sadrian WPI_TX_UNLOCK(sc); 2928173362Sbenjsc 2929278366Sadrian if (error != 0) { 2930278366Sadrian /* NB: m is reclaimed on tx failure */ 2931278366Sadrian ieee80211_free_node(ni); 2932278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2933173362Sbenjsc 2934278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2935278366Sadrian 2936278366Sadrian return error; 2937173362Sbenjsc } 2938173362Sbenjsc 2939278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2940173362Sbenjsc 2941173362Sbenjsc return 0; 2942173362Sbenjsc} 2943173362Sbenjsc 2944173362Sbenjsc/** 2945173362Sbenjsc * Process data waiting to be sent on the IFNET output queue 2946173362Sbenjsc */ 2947173362Sbenjscstatic void 2948173362Sbenjscwpi_start(struct ifnet *ifp) 2949173362Sbenjsc{ 2950173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2951173362Sbenjsc struct ieee80211_node *ni; 2952178354Ssam struct mbuf *m; 2953173362Sbenjsc 2954280113Sadrian WPI_TX_LOCK(sc); 2955278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: called\n", __func__); 2956278366Sadrian 2957173362Sbenjsc for (;;) { 2958280110Sadrian IF_LOCK(&ifp->if_snd); 2959280110Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 || 2960280110Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) { 2961280097Sadrian IF_UNLOCK(&ifp->if_snd); 2962278366Sadrian break; 2963278366Sadrian } 2964280110Sadrian IF_UNLOCK(&ifp->if_snd); 2965280110Sadrian 2966190458Sjmallett IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2967178354Ssam if (m == NULL) 2968178354Ssam break; 2969278366Sadrian ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2970278366Sadrian if (wpi_tx_data(sc, m, ni) != 0) { 2971178354Ssam ieee80211_free_node(ni); 2972271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2973280074Sadrian } 2974178354Ssam } 2975278366Sadrian 2976278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: done\n", __func__); 2977280113Sadrian WPI_TX_UNLOCK(sc); 2978178354Ssam} 2979173362Sbenjsc 2980278366Sadrianstatic void 2981280078Sadrianwpi_start_task(void *arg0, int pending) 2982280078Sadrian{ 2983280078Sadrian struct wpi_softc *sc = arg0; 2984280078Sadrian struct ifnet *ifp = sc->sc_ifp; 2985280078Sadrian 2986280078Sadrian wpi_start(ifp); 2987280078Sadrian} 2988280078Sadrian 2989280078Sadrianstatic void 2990278366Sadrianwpi_watchdog_rfkill(void *arg) 2991178354Ssam{ 2992278366Sadrian struct wpi_softc *sc = arg; 2993278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2994278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2995173362Sbenjsc 2996278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "RFkill Watchdog: tick\n"); 2997278366Sadrian 2998278366Sadrian /* No need to lock firmware memory. */ 2999278366Sadrian if ((wpi_prph_read(sc, WPI_APMG_RFKILL) & 0x1) == 0) { 3000278366Sadrian /* Radio kill switch is still off. */ 3001278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 3002278366Sadrian sc); 3003278366Sadrian } else 3004278366Sadrian ieee80211_runtask(ic, &sc->sc_radioon_task); 3005278366Sadrian} 3006278366Sadrian 3007280106Sadrianstatic void 3008280106Sadrianwpi_scan_timeout(void *arg) 3009280106Sadrian{ 3010280106Sadrian struct wpi_softc *sc = arg; 3011280106Sadrian struct ifnet *ifp = sc->sc_ifp; 3012280106Sadrian 3013280106Sadrian if_printf(ifp, "scan timeout\n"); 3014280120Sadrian taskqueue_enqueue(sc->sc_tq, &sc->sc_reinittask); 3015280106Sadrian} 3016280106Sadrian 3017278366Sadrianstatic void 3018280109Sadrianwpi_tx_timeout(void *arg) 3019278366Sadrian{ 3020278366Sadrian struct wpi_softc *sc = arg; 3021278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3022278366Sadrian 3023280109Sadrian if_printf(ifp, "device timeout\n"); 3024280109Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 3025280120Sadrian taskqueue_enqueue(sc->sc_tq, &sc->sc_reinittask); 3026173362Sbenjsc} 3027173362Sbenjsc 3028173362Sbenjscstatic int 3029173362Sbenjscwpi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3030173362Sbenjsc{ 3031173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 3032178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3033278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3034178354Ssam struct ifreq *ifr = (struct ifreq *) data; 3035280095Sadrian int error = 0; 3036173362Sbenjsc 3037173362Sbenjsc switch (cmd) { 3038278366Sadrian case SIOCGIFADDR: 3039278366Sadrian error = ether_ioctl(ifp, cmd, data); 3040278366Sadrian break; 3041173362Sbenjsc case SIOCSIFFLAGS: 3042278366Sadrian if (ifp->if_flags & IFF_UP) { 3043280096Sadrian wpi_init(sc); 3044280095Sadrian 3045280096Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 && 3046280096Sadrian vap != NULL) 3047280096Sadrian ieee80211_stop(vap); 3048280095Sadrian } else if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) 3049280095Sadrian wpi_stop(sc); 3050173362Sbenjsc break; 3051178354Ssam case SIOCGIFMEDIA: 3052178354Ssam error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 3053178354Ssam break; 3054178704Sthompsa default: 3055178704Sthompsa error = EINVAL; 3056178704Sthompsa break; 3057173362Sbenjsc } 3058173362Sbenjsc return error; 3059173362Sbenjsc} 3060173362Sbenjsc 3061173362Sbenjsc/* 3062173362Sbenjsc * Send a command to the firmware. 3063173362Sbenjsc */ 3064173362Sbenjscstatic int 3065278366Sadrianwpi_cmd(struct wpi_softc *sc, int code, const void *buf, size_t size, 3066278366Sadrian int async) 3067173362Sbenjsc{ 3068280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 3069173362Sbenjsc struct wpi_tx_desc *desc; 3070278366Sadrian struct wpi_tx_data *data; 3071173362Sbenjsc struct wpi_tx_cmd *cmd; 3072278366Sadrian struct mbuf *m; 3073278366Sadrian bus_addr_t paddr; 3074278366Sadrian int totlen, error; 3075173362Sbenjsc 3076280071Sadrian WPI_TXQ_LOCK(sc); 3077280071Sadrian 3078278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3079278366Sadrian 3080280071Sadrian if (sc->txq_active == 0) { 3081280071Sadrian /* wpi_stop() was called */ 3082280071Sadrian error = 0; 3083280071Sadrian goto fail; 3084280071Sadrian } 3085280071Sadrian 3086278366Sadrian if (async == 0) 3087173362Sbenjsc WPI_LOCK_ASSERT(sc); 3088173362Sbenjsc 3089280101Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "%s: cmd %s size %zu async %d\n", 3090280101Sadrian __func__, wpi_cmd_str(code), size, async); 3091173362Sbenjsc 3092173362Sbenjsc desc = &ring->desc[ring->cur]; 3093278366Sadrian data = &ring->data[ring->cur]; 3094278366Sadrian totlen = 4 + size; 3095173362Sbenjsc 3096278366Sadrian if (size > sizeof cmd->data) { 3097278366Sadrian /* Command is too large to fit in a descriptor. */ 3098280071Sadrian if (totlen > MCLBYTES) { 3099280071Sadrian error = EINVAL; 3100280071Sadrian goto fail; 3101280071Sadrian } 3102278366Sadrian m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 3103280071Sadrian if (m == NULL) { 3104280071Sadrian error = ENOMEM; 3105280071Sadrian goto fail; 3106280071Sadrian } 3107278366Sadrian cmd = mtod(m, struct wpi_tx_cmd *); 3108278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, cmd, 3109278366Sadrian totlen, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 3110278366Sadrian if (error != 0) { 3111278366Sadrian m_freem(m); 3112280071Sadrian goto fail; 3113278366Sadrian } 3114278366Sadrian data->m = m; 3115278366Sadrian } else { 3116278366Sadrian cmd = &ring->cmd[ring->cur]; 3117278366Sadrian paddr = data->cmd_paddr; 3118278366Sadrian } 3119278366Sadrian 3120173362Sbenjsc cmd->code = code; 3121173362Sbenjsc cmd->flags = 0; 3122173362Sbenjsc cmd->qid = ring->qid; 3123173362Sbenjsc cmd->idx = ring->cur; 3124173362Sbenjsc memcpy(cmd->data, buf, size); 3125173362Sbenjsc 3126278366Sadrian desc->nsegs = 1 + (WPI_PAD32(size) << 4); 3127278366Sadrian desc->segs[0].addr = htole32(paddr); 3128278366Sadrian desc->segs[0].len = htole32(totlen); 3129173362Sbenjsc 3130278366Sadrian if (size > sizeof cmd->data) { 3131278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 3132278366Sadrian BUS_DMASYNC_PREWRITE); 3133278366Sadrian } else { 3134278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 3135278366Sadrian BUS_DMASYNC_PREWRITE); 3136278366Sadrian } 3137278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 3138278366Sadrian BUS_DMASYNC_PREWRITE); 3139173362Sbenjsc 3140278366Sadrian /* Kick command ring. */ 3141278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 3142278366Sadrian wpi_update_tx_ring(sc, ring); 3143278366Sadrian 3144278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3145278366Sadrian 3146280071Sadrian WPI_TXQ_UNLOCK(sc); 3147280071Sadrian 3148280072Sadrian if (async) 3149173362Sbenjsc return 0; 3150173362Sbenjsc 3151280062Sadrian return mtx_sleep(cmd, &sc->sc_mtx, PCATCH, "wpicmd", hz); 3152280071Sadrian 3153280071Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3154280071Sadrian 3155280071Sadrian WPI_TXQ_UNLOCK(sc); 3156280071Sadrian 3157280071Sadrian return error; 3158173362Sbenjsc} 3159173362Sbenjsc 3160173362Sbenjsc/* 3161278366Sadrian * Configure HW multi-rate retries. 3162173362Sbenjsc */ 3163173362Sbenjscstatic int 3164173362Sbenjscwpi_mrr_setup(struct wpi_softc *sc) 3165173362Sbenjsc{ 3166178354Ssam struct ifnet *ifp = sc->sc_ifp; 3167178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3168173362Sbenjsc struct wpi_mrr_setup mrr; 3169173362Sbenjsc int i, error; 3170173362Sbenjsc 3171278366Sadrian /* CCK rates (not used with 802.11a). */ 3172278366Sadrian for (i = WPI_RIDX_CCK1; i <= WPI_RIDX_CCK11; i++) { 3173173362Sbenjsc mrr.rates[i].flags = 0; 3174278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3175278366Sadrian /* Fallback to the immediate lower CCK rate (if any.) */ 3176278366Sadrian mrr.rates[i].next = 3177278366Sadrian (i == WPI_RIDX_CCK1) ? WPI_RIDX_CCK1 : i - 1; 3178282369Sadrian /* Try twice at this rate before falling back to "next". */ 3179282369Sadrian mrr.rates[i].ntries = WPI_NTRIES_DEFAULT; 3180173362Sbenjsc } 3181278366Sadrian /* OFDM rates (not used with 802.11b). */ 3182278366Sadrian for (i = WPI_RIDX_OFDM6; i <= WPI_RIDX_OFDM54; i++) { 3183173362Sbenjsc mrr.rates[i].flags = 0; 3184278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3185278366Sadrian /* Fallback to the immediate lower rate (if any.) */ 3186278366Sadrian /* We allow fallback from OFDM/6 to CCK/2 in 11b/g mode. */ 3187278366Sadrian mrr.rates[i].next = (i == WPI_RIDX_OFDM6) ? 3188173362Sbenjsc ((ic->ic_curmode == IEEE80211_MODE_11A) ? 3189278366Sadrian WPI_RIDX_OFDM6 : WPI_RIDX_CCK2) : 3190173362Sbenjsc i - 1; 3191282369Sadrian /* Try twice at this rate before falling back to "next". */ 3192282369Sadrian mrr.rates[i].ntries = WPI_NTRIES_DEFAULT; 3193173362Sbenjsc } 3194278366Sadrian /* Setup MRR for control frames. */ 3195278366Sadrian mrr.which = htole32(WPI_MRR_CTL); 3196173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3197173362Sbenjsc if (error != 0) { 3198173362Sbenjsc device_printf(sc->sc_dev, 3199173362Sbenjsc "could not setup MRR for control frames\n"); 3200173362Sbenjsc return error; 3201173362Sbenjsc } 3202278366Sadrian /* Setup MRR for data frames. */ 3203278366Sadrian mrr.which = htole32(WPI_MRR_DATA); 3204173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3205173362Sbenjsc if (error != 0) { 3206173362Sbenjsc device_printf(sc->sc_dev, 3207173362Sbenjsc "could not setup MRR for data frames\n"); 3208173362Sbenjsc return error; 3209173362Sbenjsc } 3210173362Sbenjsc return 0; 3211173362Sbenjsc} 3212173362Sbenjsc 3213278366Sadrianstatic int 3214278366Sadrianwpi_add_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3215278366Sadrian{ 3216278366Sadrian struct ieee80211com *ic = ni->ni_ic; 3217280088Sadrian struct wpi_vap *wvp = WPI_VAP(ni->ni_vap); 3218280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3219278366Sadrian struct wpi_node_info node; 3220280088Sadrian int error; 3221278366Sadrian 3222278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3223278366Sadrian 3224278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 3225278366Sadrian return EINVAL; 3226278366Sadrian 3227278366Sadrian memset(&node, 0, sizeof node); 3228279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3229278366Sadrian node.id = wn->id; 3230278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3231278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3232278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3233278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3234278366Sadrian 3235280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: adding node %d (%s)\n", __func__, 3236280094Sadrian wn->id, ether_sprintf(ni->ni_macaddr)); 3237280094Sadrian 3238280088Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 3239280088Sadrian if (error != 0) { 3240280088Sadrian device_printf(sc->sc_dev, 3241280088Sadrian "%s: wpi_cmd() call failed with error code %d\n", __func__, 3242280088Sadrian error); 3243280088Sadrian return error; 3244280088Sadrian } 3245280088Sadrian 3246280088Sadrian if (wvp->wv_gtk != 0) { 3247280088Sadrian error = wpi_set_global_keys(ni); 3248280088Sadrian if (error != 0) { 3249280088Sadrian device_printf(sc->sc_dev, 3250280088Sadrian "%s: error while setting global keys\n", __func__); 3251280088Sadrian return ENXIO; 3252280088Sadrian } 3253280088Sadrian } 3254280088Sadrian 3255280088Sadrian return 0; 3256278366Sadrian} 3257278366Sadrian 3258278366Sadrian/* 3259278366Sadrian * Broadcast node is used to send group-addressed and management frames. 3260278366Sadrian */ 3261278366Sadrianstatic int 3262278366Sadrianwpi_add_broadcast_node(struct wpi_softc *sc, int async) 3263278366Sadrian{ 3264278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3265278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3266278366Sadrian struct wpi_node_info node; 3267278366Sadrian 3268278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3269278366Sadrian 3270278366Sadrian memset(&node, 0, sizeof node); 3271278366Sadrian IEEE80211_ADDR_COPY(node.macaddr, ifp->if_broadcastaddr); 3272278366Sadrian node.id = WPI_ID_BROADCAST; 3273278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3274278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3275278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3276278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3277278366Sadrian 3278280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: adding broadcast node\n", __func__); 3279280094Sadrian 3280278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, async); 3281278366Sadrian} 3282278366Sadrian 3283278366Sadrianstatic int 3284280070Sadrianwpi_add_sta_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3285280070Sadrian{ 3286280070Sadrian struct wpi_node *wn = WPI_NODE(ni); 3287280070Sadrian int error; 3288280070Sadrian 3289280070Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3290280070Sadrian 3291280070Sadrian wn->id = wpi_add_node_entry_sta(sc); 3292280070Sadrian 3293280070Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3294280070Sadrian wpi_del_node_entry(sc, wn->id); 3295280070Sadrian wn->id = WPI_ID_UNDEFINED; 3296280070Sadrian return error; 3297280070Sadrian } 3298280070Sadrian 3299280070Sadrian return 0; 3300280070Sadrian} 3301280070Sadrian 3302280070Sadrianstatic int 3303278366Sadrianwpi_add_ibss_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3304278366Sadrian{ 3305280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3306280069Sadrian int error; 3307278366Sadrian 3308280100Sadrian KASSERT(wn->id == WPI_ID_UNDEFINED, 3309280100Sadrian ("the node %d was added before", wn->id)); 3310280100Sadrian 3311278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3312278366Sadrian 3313280069Sadrian if ((wn->id = wpi_add_node_entry_adhoc(sc)) == WPI_ID_UNDEFINED) { 3314280069Sadrian device_printf(sc->sc_dev, "%s: h/w table is full\n", __func__); 3315280069Sadrian return ENOMEM; 3316280069Sadrian } 3317278366Sadrian 3318280069Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3319280069Sadrian wpi_del_node_entry(sc, wn->id); 3320280069Sadrian wn->id = WPI_ID_UNDEFINED; 3321280069Sadrian return error; 3322280069Sadrian } 3323278366Sadrian 3324280069Sadrian return 0; 3325278366Sadrian} 3326278366Sadrian 3327173362Sbenjscstatic void 3328278366Sadrianwpi_del_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3329278366Sadrian{ 3330280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3331278366Sadrian struct wpi_cmd_del_node node; 3332278366Sadrian int error; 3333278366Sadrian 3334280100Sadrian KASSERT(wn->id != WPI_ID_UNDEFINED, ("undefined node id passed")); 3335280100Sadrian 3336278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3337278366Sadrian 3338278366Sadrian memset(&node, 0, sizeof node); 3339279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3340278366Sadrian node.count = 1; 3341278366Sadrian 3342280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: deleting node %d (%s)\n", __func__, 3343280094Sadrian wn->id, ether_sprintf(ni->ni_macaddr)); 3344280094Sadrian 3345278366Sadrian error = wpi_cmd(sc, WPI_CMD_DEL_NODE, &node, sizeof node, 1); 3346278366Sadrian if (error != 0) { 3347278366Sadrian device_printf(sc->sc_dev, 3348278366Sadrian "%s: could not delete node %u, error %d\n", __func__, 3349278366Sadrian wn->id, error); 3350278366Sadrian } 3351278366Sadrian} 3352278366Sadrian 3353278366Sadrianstatic int 3354278366Sadrianwpi_updateedca(struct ieee80211com *ic) 3355278366Sadrian{ 3356278366Sadrian#define WPI_EXP2(x) ((1 << (x)) - 1) /* CWmin = 2^ECWmin - 1 */ 3357278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 3358278366Sadrian struct wpi_edca_params cmd; 3359278366Sadrian int aci, error; 3360278366Sadrian 3361278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3362278366Sadrian 3363278366Sadrian memset(&cmd, 0, sizeof cmd); 3364278366Sadrian cmd.flags = htole32(WPI_EDCA_UPDATE); 3365278366Sadrian for (aci = 0; aci < WME_NUM_AC; aci++) { 3366278366Sadrian const struct wmeParams *ac = 3367278366Sadrian &ic->ic_wme.wme_chanParams.cap_wmeParams[aci]; 3368278366Sadrian cmd.ac[aci].aifsn = ac->wmep_aifsn; 3369278366Sadrian cmd.ac[aci].cwmin = htole16(WPI_EXP2(ac->wmep_logcwmin)); 3370278366Sadrian cmd.ac[aci].cwmax = htole16(WPI_EXP2(ac->wmep_logcwmax)); 3371278366Sadrian cmd.ac[aci].txoplimit = 3372278366Sadrian htole16(IEEE80211_TXOP_TO_US(ac->wmep_txopLimit)); 3373278366Sadrian 3374278366Sadrian DPRINTF(sc, WPI_DEBUG_EDCA, 3375278366Sadrian "setting WME for queue %d aifsn=%d cwmin=%d cwmax=%d " 3376278366Sadrian "txoplimit=%d\n", aci, cmd.ac[aci].aifsn, 3377278366Sadrian cmd.ac[aci].cwmin, cmd.ac[aci].cwmax, 3378278366Sadrian cmd.ac[aci].txoplimit); 3379278366Sadrian } 3380278366Sadrian error = wpi_cmd(sc, WPI_CMD_EDCA_PARAMS, &cmd, sizeof cmd, 1); 3381278366Sadrian 3382278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3383278366Sadrian 3384278366Sadrian return error; 3385278366Sadrian#undef WPI_EXP2 3386278366Sadrian} 3387278366Sadrian 3388278366Sadrianstatic void 3389278366Sadrianwpi_set_promisc(struct wpi_softc *sc) 3390278366Sadrian{ 3391278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3392280105Sadrian struct ieee80211com *ic = ifp->if_l2com; 3393280105Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3394278366Sadrian uint32_t promisc_filter; 3395278366Sadrian 3396280105Sadrian promisc_filter = WPI_FILTER_CTL; 3397280105Sadrian if (vap != NULL && vap->iv_opmode != IEEE80211_M_HOSTAP) 3398280105Sadrian promisc_filter |= WPI_FILTER_PROMISC; 3399278366Sadrian 3400278366Sadrian if (ifp->if_flags & IFF_PROMISC) 3401278366Sadrian sc->rxon.filter |= htole32(promisc_filter); 3402278366Sadrian else 3403278366Sadrian sc->rxon.filter &= ~htole32(promisc_filter); 3404278366Sadrian} 3405278366Sadrian 3406278366Sadrianstatic void 3407278366Sadrianwpi_update_promisc(struct ifnet *ifp) 3408278366Sadrian{ 3409278366Sadrian struct wpi_softc *sc = ifp->if_softc; 3410278366Sadrian 3411280108Sadrian WPI_RXON_LOCK(sc); 3412278366Sadrian wpi_set_promisc(sc); 3413278366Sadrian 3414278366Sadrian if (wpi_send_rxon(sc, 1, 1) != 0) { 3415278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3416278366Sadrian __func__); 3417278366Sadrian } 3418280108Sadrian WPI_RXON_UNLOCK(sc); 3419278366Sadrian} 3420278366Sadrian 3421278366Sadrianstatic void 3422278366Sadrianwpi_update_mcast(struct ifnet *ifp) 3423278366Sadrian{ 3424278366Sadrian /* Ignore */ 3425278366Sadrian} 3426278366Sadrian 3427278366Sadrianstatic void 3428173362Sbenjscwpi_set_led(struct wpi_softc *sc, uint8_t which, uint8_t off, uint8_t on) 3429173362Sbenjsc{ 3430173362Sbenjsc struct wpi_cmd_led led; 3431173362Sbenjsc 3432278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3433278366Sadrian 3434173362Sbenjsc led.which = which; 3435173362Sbenjsc led.unit = htole32(100000); /* on/off in unit of 100ms */ 3436173362Sbenjsc led.off = off; 3437173362Sbenjsc led.on = on; 3438173362Sbenjsc (void)wpi_cmd(sc, WPI_CMD_SET_LED, &led, sizeof led, 1); 3439173362Sbenjsc} 3440173362Sbenjsc 3441278366Sadrianstatic int 3442278366Sadrianwpi_set_timing(struct wpi_softc *sc, struct ieee80211_node *ni) 3443173362Sbenjsc{ 3444278366Sadrian struct wpi_cmd_timing cmd; 3445173362Sbenjsc uint64_t val, mod; 3446173362Sbenjsc 3447278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3448173362Sbenjsc 3449278366Sadrian memset(&cmd, 0, sizeof cmd); 3450278366Sadrian memcpy(&cmd.tstamp, ni->ni_tstamp.data, sizeof (uint64_t)); 3451278366Sadrian cmd.bintval = htole16(ni->ni_intval); 3452278366Sadrian cmd.lintval = htole16(10); 3453173362Sbenjsc 3454278366Sadrian /* Compute remaining time until next beacon. */ 3455278366Sadrian val = (uint64_t)ni->ni_intval * IEEE80211_DUR_TU; 3456278366Sadrian mod = le64toh(cmd.tstamp) % val; 3457278366Sadrian cmd.binitval = htole32((uint32_t)(val - mod)); 3458278366Sadrian 3459278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "timing bintval=%u tstamp=%ju, init=%u\n", 3460278366Sadrian ni->ni_intval, le64toh(cmd.tstamp), (uint32_t)(val - mod)); 3461278366Sadrian 3462278366Sadrian return wpi_cmd(sc, WPI_CMD_TIMING, &cmd, sizeof cmd, 1); 3463173362Sbenjsc} 3464173362Sbenjsc 3465173362Sbenjsc/* 3466278366Sadrian * This function is called periodically (every 60 seconds) to adjust output 3467278366Sadrian * power to temperature changes. 3468173362Sbenjsc */ 3469278366Sadrianstatic void 3470278366Sadrianwpi_power_calibration(struct wpi_softc *sc) 3471278366Sadrian{ 3472278366Sadrian int temp; 3473278366Sadrian 3474278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3475278366Sadrian 3476278366Sadrian /* Update sensor data. */ 3477278366Sadrian temp = (int)WPI_READ(sc, WPI_UCODE_GP2); 3478278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "Temp in calibration is: %d\n", temp); 3479278366Sadrian 3480278366Sadrian /* Sanity-check read value. */ 3481278366Sadrian if (temp < -260 || temp > 25) { 3482278366Sadrian /* This can't be correct, ignore. */ 3483278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3484278366Sadrian "out-of-range temperature reported: %d\n", temp); 3485278366Sadrian return; 3486278366Sadrian } 3487278366Sadrian 3488278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d->%d\n", sc->temp, temp); 3489278366Sadrian 3490278366Sadrian /* Adjust Tx power if need be. */ 3491278366Sadrian if (abs(temp - sc->temp) <= 6) 3492278366Sadrian return; 3493278366Sadrian 3494278366Sadrian sc->temp = temp; 3495278366Sadrian 3496278366Sadrian if (wpi_set_txpower(sc, 1) != 0) { 3497278366Sadrian /* just warn, too bad for the automatic calibration... */ 3498278366Sadrian device_printf(sc->sc_dev,"could not adjust Tx power\n"); 3499278366Sadrian } 3500278366Sadrian} 3501278366Sadrian 3502278366Sadrian/* 3503278366Sadrian * Set TX power for current channel. 3504278366Sadrian */ 3505173362Sbenjscstatic int 3506278366Sadrianwpi_set_txpower(struct wpi_softc *sc, int async) 3507173362Sbenjsc{ 3508278366Sadrian struct wpi_power_group *group; 3509278366Sadrian struct wpi_cmd_txpower cmd; 3510278366Sadrian uint8_t chan; 3511281287Sadrian int idx, is_chan_5ghz, i; 3512173362Sbenjsc 3513278366Sadrian /* Retrieve current channel from last RXON. */ 3514278366Sadrian chan = sc->rxon.chan; 3515281287Sadrian is_chan_5ghz = (sc->rxon.flags & htole32(WPI_RXON_24GHZ)) == 0; 3516173362Sbenjsc 3517278366Sadrian /* Find the TX power group to which this channel belongs. */ 3518281287Sadrian if (is_chan_5ghz) { 3519278366Sadrian for (group = &sc->groups[1]; group < &sc->groups[4]; group++) 3520278366Sadrian if (chan <= group->chan) 3521278366Sadrian break; 3522278366Sadrian } else 3523278366Sadrian group = &sc->groups[0]; 3524278366Sadrian 3525278366Sadrian memset(&cmd, 0, sizeof cmd); 3526281287Sadrian cmd.band = is_chan_5ghz ? WPI_BAND_5GHZ : WPI_BAND_2GHZ; 3527278366Sadrian cmd.chan = htole16(chan); 3528278366Sadrian 3529278366Sadrian /* Set TX power for all OFDM and CCK rates. */ 3530278366Sadrian for (i = 0; i <= WPI_RIDX_MAX ; i++) { 3531278366Sadrian /* Retrieve TX power for this channel/rate. */ 3532281287Sadrian idx = wpi_get_power_index(sc, group, chan, is_chan_5ghz, i); 3533278366Sadrian 3534278366Sadrian cmd.rates[i].plcp = wpi_ridx_to_plcp[i]; 3535278366Sadrian 3536281287Sadrian if (is_chan_5ghz) { 3537278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_5ghz[idx]; 3538278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_5ghz[idx]; 3539278366Sadrian } else { 3540278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_2ghz[idx]; 3541278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_2ghz[idx]; 3542278366Sadrian } 3543278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3544278366Sadrian "chan %d/ridx %d: power index %d\n", chan, i, idx); 3545173362Sbenjsc } 3546173362Sbenjsc 3547278366Sadrian return wpi_cmd(sc, WPI_CMD_TXPOWER, &cmd, sizeof cmd, async); 3548278366Sadrian} 3549173362Sbenjsc 3550278366Sadrian/* 3551278366Sadrian * Determine Tx power index for a given channel/rate combination. 3552278366Sadrian * This takes into account the regulatory information from EEPROM and the 3553278366Sadrian * current temperature. 3554278366Sadrian */ 3555278366Sadrianstatic int 3556278366Sadrianwpi_get_power_index(struct wpi_softc *sc, struct wpi_power_group *group, 3557281287Sadrian uint8_t chan, int is_chan_5ghz, int ridx) 3558278366Sadrian{ 3559278366Sadrian/* Fixed-point arithmetic division using a n-bit fractional part. */ 3560280059Sadrian#define fdivround(a, b, n) \ 3561278366Sadrian ((((1 << n) * (a)) / (b) + (1 << n) / 2) / (1 << n)) 3562173362Sbenjsc 3563278366Sadrian/* Linear interpolation. */ 3564280059Sadrian#define interpolate(x, x1, y1, x2, y2, n) \ 3565278366Sadrian ((y1) + fdivround(((x) - (x1)) * ((y2) - (y1)), (x2) - (x1), n)) 3566173362Sbenjsc 3567278366Sadrian struct wpi_power_sample *sample; 3568278366Sadrian int pwr, idx; 3569278366Sadrian 3570278366Sadrian /* Default TX power is group maximum TX power minus 3dB. */ 3571278366Sadrian pwr = group->maxpwr / 2; 3572278366Sadrian 3573278366Sadrian /* Decrease TX power for highest OFDM rates to reduce distortion. */ 3574278366Sadrian switch (ridx) { 3575278366Sadrian case WPI_RIDX_OFDM36: 3576281287Sadrian pwr -= is_chan_5ghz ? 5 : 0; 3577278366Sadrian break; 3578278366Sadrian case WPI_RIDX_OFDM48: 3579281287Sadrian pwr -= is_chan_5ghz ? 10 : 7; 3580278366Sadrian break; 3581278366Sadrian case WPI_RIDX_OFDM54: 3582281287Sadrian pwr -= is_chan_5ghz ? 12 : 9; 3583278366Sadrian break; 3584173362Sbenjsc } 3585173362Sbenjsc 3586278366Sadrian /* Never exceed the channel maximum allowed TX power. */ 3587278366Sadrian pwr = min(pwr, sc->maxpwr[chan]); 3588173362Sbenjsc 3589278366Sadrian /* Retrieve TX power index into gain tables from samples. */ 3590278366Sadrian for (sample = group->samples; sample < &group->samples[3]; sample++) 3591278366Sadrian if (pwr > sample[1].power) 3592278366Sadrian break; 3593278366Sadrian /* Fixed-point linear interpolation using a 19-bit fractional part. */ 3594278366Sadrian idx = interpolate(pwr, sample[0].power, sample[0].index, 3595278366Sadrian sample[1].power, sample[1].index, 19); 3596173362Sbenjsc 3597278366Sadrian /*- 3598278366Sadrian * Adjust power index based on current temperature: 3599278366Sadrian * - if cooler than factory-calibrated: decrease output power 3600278366Sadrian * - if warmer than factory-calibrated: increase output power 3601278366Sadrian */ 3602278366Sadrian idx -= (sc->temp - group->temp) * 11 / 100; 3603173362Sbenjsc 3604278366Sadrian /* Decrease TX power for CCK rates (-5dB). */ 3605278366Sadrian if (ridx >= WPI_RIDX_CCK1) 3606278366Sadrian idx += 10; 3607278366Sadrian 3608278366Sadrian /* Make sure idx stays in a valid range. */ 3609278366Sadrian if (idx < 0) 3610278366Sadrian return 0; 3611278366Sadrian if (idx > WPI_MAX_PWR_INDEX) 3612278366Sadrian return WPI_MAX_PWR_INDEX; 3613278366Sadrian return idx; 3614278366Sadrian 3615278366Sadrian#undef interpolate 3616278366Sadrian#undef fdivround 3617173362Sbenjsc} 3618173362Sbenjsc 3619278366Sadrian/* 3620278366Sadrian * Set STA mode power saving level (between 0 and 5). 3621278366Sadrian * Level 0 is CAM (Continuously Aware Mode), 5 is for maximum power saving. 3622278366Sadrian */ 3623173362Sbenjscstatic int 3624278366Sadrianwpi_set_pslevel(struct wpi_softc *sc, uint8_t dtim, int level, int async) 3625173362Sbenjsc{ 3626278366Sadrian struct wpi_pmgt_cmd cmd; 3627278366Sadrian const struct wpi_pmgt *pmgt; 3628278366Sadrian uint32_t max, skip_dtim; 3629278366Sadrian uint32_t reg; 3630278366Sadrian int i; 3631278366Sadrian 3632278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 3633278366Sadrian "%s: dtim=%d, level=%d, async=%d\n", 3634278366Sadrian __func__, dtim, level, async); 3635278366Sadrian 3636278366Sadrian /* Select which PS parameters to use. */ 3637278366Sadrian if (dtim <= 10) 3638278366Sadrian pmgt = &wpi_pmgt[0][level]; 3639278366Sadrian else 3640278366Sadrian pmgt = &wpi_pmgt[1][level]; 3641278366Sadrian 3642278366Sadrian memset(&cmd, 0, sizeof cmd); 3643278366Sadrian if (level != 0) /* not CAM */ 3644278366Sadrian cmd.flags |= htole16(WPI_PS_ALLOW_SLEEP); 3645278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 3646278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 3647278366Sadrian if (!(reg & 0x1)) /* L0s Entry disabled. */ 3648278366Sadrian cmd.flags |= htole16(WPI_PS_PCI_PMGT); 3649278366Sadrian 3650278366Sadrian cmd.rxtimeout = htole32(pmgt->rxtimeout * IEEE80211_DUR_TU); 3651278366Sadrian cmd.txtimeout = htole32(pmgt->txtimeout * IEEE80211_DUR_TU); 3652278366Sadrian 3653278366Sadrian if (dtim == 0) { 3654278366Sadrian dtim = 1; 3655278366Sadrian skip_dtim = 0; 3656278366Sadrian } else 3657278366Sadrian skip_dtim = pmgt->skip_dtim; 3658278366Sadrian 3659278366Sadrian if (skip_dtim != 0) { 3660278366Sadrian cmd.flags |= htole16(WPI_PS_SLEEP_OVER_DTIM); 3661278366Sadrian max = pmgt->intval[4]; 3662278366Sadrian if (max == (uint32_t)-1) 3663278366Sadrian max = dtim * (skip_dtim + 1); 3664278366Sadrian else if (max > dtim) 3665278366Sadrian max = (max / dtim) * dtim; 3666278366Sadrian } else 3667278366Sadrian max = dtim; 3668278366Sadrian 3669278366Sadrian for (i = 0; i < 5; i++) 3670278366Sadrian cmd.intval[i] = htole32(MIN(max, pmgt->intval[i])); 3671278366Sadrian 3672278366Sadrian return wpi_cmd(sc, WPI_CMD_SET_POWER_MODE, &cmd, sizeof cmd, async); 3673278366Sadrian} 3674278366Sadrian 3675280059Sadrianstatic int 3676278366Sadrianwpi_send_btcoex(struct wpi_softc *sc) 3677278366Sadrian{ 3678278366Sadrian struct wpi_bluetooth cmd; 3679278366Sadrian 3680280059Sadrian memset(&cmd, 0, sizeof cmd); 3681280059Sadrian cmd.flags = WPI_BT_COEX_MODE_4WIRE; 3682280059Sadrian cmd.lead_time = WPI_BT_LEAD_TIME_DEF; 3683280059Sadrian cmd.max_kill = WPI_BT_MAX_KILL_DEF; 3684278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "%s: configuring bluetooth coexistence\n", 3685278366Sadrian __func__); 3686280059Sadrian return wpi_cmd(sc, WPI_CMD_BT_COEX, &cmd, sizeof(cmd), 0); 3687278366Sadrian} 3688278366Sadrian 3689278366Sadrianstatic int 3690278366Sadrianwpi_send_rxon(struct wpi_softc *sc, int assoc, int async) 3691278366Sadrian{ 3692173362Sbenjsc int error; 3693173362Sbenjsc 3694280108Sadrian if (async) 3695280108Sadrian WPI_RXON_LOCK_ASSERT(sc); 3696280108Sadrian 3697282375Sadrian if (assoc && wpi_check_bss_filter(sc) != 0) { 3698278366Sadrian struct wpi_assoc rxon_assoc; 3699177043Sthompsa 3700278366Sadrian rxon_assoc.flags = sc->rxon.flags; 3701278366Sadrian rxon_assoc.filter = sc->rxon.filter; 3702278366Sadrian rxon_assoc.ofdm_mask = sc->rxon.ofdm_mask; 3703278366Sadrian rxon_assoc.cck_mask = sc->rxon.cck_mask; 3704278366Sadrian rxon_assoc.reserved = 0; 3705278366Sadrian 3706278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON_ASSOC, &rxon_assoc, 3707278366Sadrian sizeof (struct wpi_assoc), async); 3708280102Sadrian if (error != 0) { 3709280102Sadrian device_printf(sc->sc_dev, 3710280102Sadrian "RXON_ASSOC command failed, error %d\n", error); 3711280102Sadrian return error; 3712280102Sadrian } 3713216522Sbschmidt } else { 3714280102Sadrian if (async) { 3715280077Sadrian WPI_NT_LOCK(sc); 3716280102Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3717280102Sadrian sizeof (struct wpi_rxon), async); 3718280102Sadrian if (error == 0) 3719280102Sadrian wpi_clear_node_table(sc); 3720280077Sadrian WPI_NT_UNLOCK(sc); 3721280102Sadrian } else { 3722280102Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3723280102Sadrian sizeof (struct wpi_rxon), async); 3724280102Sadrian if (error == 0) 3725280102Sadrian wpi_clear_node_table(sc); 3726280102Sadrian } 3727173362Sbenjsc 3728280102Sadrian if (error != 0) { 3729280102Sadrian device_printf(sc->sc_dev, 3730280102Sadrian "RXON command failed, error %d\n", error); 3731280102Sadrian return error; 3732280102Sadrian } 3733173362Sbenjsc 3734278366Sadrian /* Add broadcast node. */ 3735278366Sadrian error = wpi_add_broadcast_node(sc, async); 3736278366Sadrian if (error != 0) { 3737278366Sadrian device_printf(sc->sc_dev, 3738278366Sadrian "could not add broadcast node, error %d\n", error); 3739278366Sadrian return error; 3740278366Sadrian } 3741278366Sadrian } 3742177043Sthompsa 3743280102Sadrian /* Configuration has changed, set Tx power accordingly. */ 3744280102Sadrian if ((error = wpi_set_txpower(sc, async)) != 0) { 3745280102Sadrian device_printf(sc->sc_dev, 3746280102Sadrian "%s: could not set TX power, error %d\n", __func__, error); 3747280102Sadrian return error; 3748280102Sadrian } 3749280102Sadrian 3750278366Sadrian return 0; 3751177043Sthompsa} 3752177043Sthompsa 3753278366Sadrian/** 3754278366Sadrian * Configure the card to listen to a particular channel, this transisions the 3755278366Sadrian * card in to being able to receive frames from remote devices. 3756278366Sadrian */ 3757177043Sthompsastatic int 3758278366Sadrianwpi_config(struct wpi_softc *sc) 3759177043Sthompsa{ 3760278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3761278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3762279762Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3763282371Sadrian struct ieee80211_channel *c = ic->ic_curchan; 3764177043Sthompsa int error; 3765177043Sthompsa 3766278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3767278366Sadrian 3768278366Sadrian /* Set power saving level to CAM during initialization. */ 3769278366Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 0)) != 0) { 3770278366Sadrian device_printf(sc->sc_dev, 3771278366Sadrian "%s: could not set power saving level\n", __func__); 3772278366Sadrian return error; 3773178354Ssam } 3774178354Ssam 3775278366Sadrian /* Configure bluetooth coexistence. */ 3776278366Sadrian if ((error = wpi_send_btcoex(sc)) != 0) { 3777278366Sadrian device_printf(sc->sc_dev, 3778278366Sadrian "could not configure bluetooth coexistence\n"); 3779278366Sadrian return error; 3780278366Sadrian } 3781177043Sthompsa 3782278366Sadrian /* Configure adapter. */ 3783278366Sadrian memset(&sc->rxon, 0, sizeof (struct wpi_rxon)); 3784279762Sadrian IEEE80211_ADDR_COPY(sc->rxon.myaddr, vap->iv_myaddr); 3785177043Sthompsa 3786278366Sadrian /* Set default channel. */ 3787282371Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 3788278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3789282371Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) 3790278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3791177043Sthompsa 3792278764Sadrian sc->rxon.filter = WPI_FILTER_MULTICAST; 3793278366Sadrian switch (ic->ic_opmode) { 3794278366Sadrian case IEEE80211_M_STA: 3795278366Sadrian sc->rxon.mode = WPI_MODE_STA; 3796278366Sadrian break; 3797278366Sadrian case IEEE80211_M_IBSS: 3798278366Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3799278764Sadrian sc->rxon.filter |= WPI_FILTER_BEACON; 3800278366Sadrian break; 3801280105Sadrian case IEEE80211_M_HOSTAP: 3802280105Sadrian /* XXX workaround for beaconing */ 3803280105Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3804280105Sadrian sc->rxon.filter |= WPI_FILTER_ASSOC | WPI_FILTER_PROMISC; 3805280105Sadrian break; 3806278366Sadrian case IEEE80211_M_AHDEMO: 3807278366Sadrian sc->rxon.mode = WPI_MODE_HOSTAP; 3808278366Sadrian break; 3809278366Sadrian case IEEE80211_M_MONITOR: 3810278366Sadrian sc->rxon.mode = WPI_MODE_MONITOR; 3811278366Sadrian break; 3812278366Sadrian default: 3813280066Sadrian device_printf(sc->sc_dev, "unknown opmode %d\n", 3814280066Sadrian ic->ic_opmode); 3815278366Sadrian return EINVAL; 3816278366Sadrian } 3817278764Sadrian sc->rxon.filter = htole32(sc->rxon.filter); 3818278366Sadrian wpi_set_promisc(sc); 3819278366Sadrian sc->rxon.cck_mask = 0x0f; /* not yet negotiated */ 3820278366Sadrian sc->rxon.ofdm_mask = 0xff; /* not yet negotiated */ 3821278366Sadrian 3822282385Sadrian /* XXX Current configuration may be unusable. */ 3823282385Sadrian if (IEEE80211_IS_CHAN_NOADHOC(c) && sc->rxon.mode == WPI_MODE_IBSS) { 3824282385Sadrian device_printf(sc->sc_dev, 3825282385Sadrian "%s: invalid channel (%d) selected for IBSS mode\n", 3826282385Sadrian __func__, ieee80211_chan2ieee(ic, c)); 3827282385Sadrian return EINVAL; 3828282385Sadrian } 3829282385Sadrian 3830278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) { 3831278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3832278366Sadrian __func__); 3833173362Sbenjsc return error; 3834173362Sbenjsc } 3835173362Sbenjsc 3836278366Sadrian /* Setup rate scalling. */ 3837278366Sadrian if ((error = wpi_mrr_setup(sc)) != 0) { 3838278366Sadrian device_printf(sc->sc_dev, "could not setup MRR, error %d\n", 3839278366Sadrian error); 3840278366Sadrian return error; 3841278366Sadrian } 3842278366Sadrian 3843278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3844177043Sthompsa 3845278366Sadrian return 0; 3846278366Sadrian} 3847177043Sthompsa 3848278366Sadrianstatic uint16_t 3849278366Sadrianwpi_get_active_dwell_time(struct wpi_softc *sc, 3850278366Sadrian struct ieee80211_channel *c, uint8_t n_probes) 3851278366Sadrian{ 3852278366Sadrian /* No channel? Default to 2GHz settings. */ 3853278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) { 3854278366Sadrian return (WPI_ACTIVE_DWELL_TIME_2GHZ + 3855278366Sadrian WPI_ACTIVE_DWELL_FACTOR_2GHZ * (n_probes + 1)); 3856278366Sadrian } 3857278366Sadrian 3858278366Sadrian /* 5GHz dwell time. */ 3859278366Sadrian return (WPI_ACTIVE_DWELL_TIME_5GHZ + 3860278366Sadrian WPI_ACTIVE_DWELL_FACTOR_5GHZ * (n_probes + 1)); 3861173362Sbenjsc} 3862173362Sbenjsc 3863173362Sbenjsc/* 3864282382Sadrian * Limit the total dwell time. 3865278366Sadrian * 3866278366Sadrian * Returns the dwell time in milliseconds. 3867173362Sbenjsc */ 3868278366Sadrianstatic uint16_t 3869278366Sadrianwpi_limit_dwell(struct wpi_softc *sc, uint16_t dwell_time) 3870278366Sadrian{ 3871278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3872280103Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3873278366Sadrian int bintval = 0; 3874278366Sadrian 3875278366Sadrian /* bintval is in TU (1.024mS) */ 3876280103Sadrian if (vap != NULL) 3877278366Sadrian bintval = vap->iv_bss->ni_intval; 3878278366Sadrian 3879278366Sadrian /* 3880278366Sadrian * If it's non-zero, we should calculate the minimum of 3881278366Sadrian * it and the DWELL_BASE. 3882278366Sadrian * 3883278366Sadrian * XXX Yes, the math should take into account that bintval 3884278366Sadrian * is 1.024mS, not 1mS.. 3885278366Sadrian */ 3886278366Sadrian if (bintval > 0) { 3887278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "%s: bintval=%d\n", __func__, 3888278366Sadrian bintval); 3889282382Sadrian return (MIN(dwell_time, bintval - WPI_CHANNEL_TUNE_TIME * 2)); 3890278366Sadrian } 3891278366Sadrian 3892278366Sadrian /* No association context? Default. */ 3893282382Sadrian return dwell_time; 3894278366Sadrian} 3895278366Sadrian 3896278366Sadrianstatic uint16_t 3897278366Sadrianwpi_get_passive_dwell_time(struct wpi_softc *sc, struct ieee80211_channel *c) 3898278366Sadrian{ 3899278366Sadrian uint16_t passive; 3900278366Sadrian 3901278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) 3902278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_2GHZ; 3903278366Sadrian else 3904278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_5GHZ; 3905278366Sadrian 3906278366Sadrian /* Clamp to the beacon interval if we're associated. */ 3907278366Sadrian return (wpi_limit_dwell(sc, passive)); 3908278366Sadrian} 3909278366Sadrian 3910282383Sadrianstatic uint32_t 3911282383Sadrianwpi_get_scan_pause_time(uint32_t time, uint16_t bintval) 3912282383Sadrian{ 3913282383Sadrian uint32_t mod = (time % bintval) * IEEE80211_DUR_TU; 3914282383Sadrian uint32_t nbeacons = time / bintval; 3915282383Sadrian 3916282383Sadrian if (mod > WPI_PAUSE_MAX_TIME) 3917282383Sadrian mod = WPI_PAUSE_MAX_TIME; 3918282383Sadrian 3919282383Sadrian return WPI_PAUSE_SCAN(nbeacons, mod); 3920282383Sadrian} 3921282383Sadrian 3922278366Sadrian/* 3923278366Sadrian * Send a scan request to the firmware. 3924278366Sadrian */ 3925173362Sbenjscstatic int 3926278366Sadrianwpi_scan(struct wpi_softc *sc, struct ieee80211_channel *c) 3927173362Sbenjsc{ 3928178354Ssam struct ifnet *ifp = sc->sc_ifp; 3929178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3930177043Sthompsa struct ieee80211_scan_state *ss = ic->ic_scan; 3931279762Sadrian struct ieee80211vap *vap = ss->ss_vap; 3932173362Sbenjsc struct wpi_scan_hdr *hdr; 3933278366Sadrian struct wpi_cmd_data *tx; 3934278366Sadrian struct wpi_scan_essid *essids; 3935173362Sbenjsc struct wpi_scan_chan *chan; 3936173362Sbenjsc struct ieee80211_frame *wh; 3937173362Sbenjsc struct ieee80211_rateset *rs; 3938278366Sadrian uint16_t dwell_active, dwell_passive; 3939278366Sadrian uint8_t *buf, *frm; 3940282382Sadrian int bgscan, bintval, buflen, error, i, nssid; 3941173362Sbenjsc 3942278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3943173362Sbenjsc 3944278366Sadrian /* 3945278366Sadrian * We are absolutely not allowed to send a scan command when another 3946278366Sadrian * scan command is pending. 3947278366Sadrian */ 3948280106Sadrian if (callout_pending(&sc->scan_timeout)) { 3949278366Sadrian device_printf(sc->sc_dev, "%s: called whilst scanning!\n", 3950278366Sadrian __func__); 3951282382Sadrian error = EAGAIN; 3952282382Sadrian goto fail; 3953282382Sadrian } 3954280060Sadrian 3955282382Sadrian bgscan = wpi_check_bss_filter(sc); 3956282382Sadrian bintval = vap->iv_bss->ni_intval; 3957282382Sadrian if (bgscan != 0 && 3958282382Sadrian bintval < WPI_QUIET_TIME_DEFAULT + WPI_CHANNEL_TUNE_TIME * 2) { 3959282382Sadrian error = EOPNOTSUPP; 3960282382Sadrian goto fail; 3961278366Sadrian } 3962278366Sadrian 3963278366Sadrian buf = malloc(WPI_SCAN_MAXSZ, M_DEVBUF, M_NOWAIT | M_ZERO); 3964278366Sadrian if (buf == NULL) { 3965173362Sbenjsc device_printf(sc->sc_dev, 3966278366Sadrian "%s: could not allocate buffer for scan command\n", 3967278366Sadrian __func__); 3968280060Sadrian error = ENOMEM; 3969280060Sadrian goto fail; 3970173362Sbenjsc } 3971278366Sadrian hdr = (struct wpi_scan_hdr *)buf; 3972173362Sbenjsc 3973173362Sbenjsc /* 3974278366Sadrian * Move to the next channel if no packets are received within 10 msecs 3975278366Sadrian * after sending the probe request. 3976173362Sbenjsc */ 3977282382Sadrian hdr->quiet_time = htole16(WPI_QUIET_TIME_DEFAULT); 3978282382Sadrian hdr->quiet_threshold = htole16(1); 3979282383Sadrian 3980282383Sadrian if (bgscan != 0) { 3981282383Sadrian /* 3982282383Sadrian * Max needs to be greater than active and passive and quiet! 3983282383Sadrian * It's also in microseconds! 3984282383Sadrian */ 3985282383Sadrian hdr->max_svc = htole32(250 * IEEE80211_DUR_TU); 3986282383Sadrian hdr->pause_svc = htole32(wpi_get_scan_pause_time(100, 3987282383Sadrian bintval)); 3988282383Sadrian } 3989282383Sadrian 3990278366Sadrian hdr->filter = htole32(WPI_FILTER_MULTICAST | WPI_FILTER_BEACON); 3991173362Sbenjsc 3992278366Sadrian tx = (struct wpi_cmd_data *)(hdr + 1); 3993278366Sadrian tx->flags = htole32(WPI_TX_AUTO_SEQ); 3994278366Sadrian tx->id = WPI_ID_BROADCAST; 3995278366Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 3996173362Sbenjsc 3997278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) { 3998278366Sadrian /* Send probe requests at 6Mbps. */ 3999278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_OFDM6]; 4000278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11A]; 4001173362Sbenjsc } else { 4002278366Sadrian hdr->flags = htole32(WPI_RXON_24GHZ | WPI_RXON_AUTO); 4003278366Sadrian /* Send probe requests at 1Mbps. */ 4004278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 4005278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11G]; 4006173362Sbenjsc } 4007173362Sbenjsc 4008278366Sadrian essids = (struct wpi_scan_essid *)(tx + 1); 4009177043Sthompsa nssid = MIN(ss->ss_nssid, WPI_SCAN_MAX_ESSIDS); 4010178354Ssam for (i = 0; i < nssid; i++) { 4011278366Sadrian essids[i].id = IEEE80211_ELEMID_SSID; 4012278366Sadrian essids[i].len = MIN(ss->ss_ssid[i].len, IEEE80211_NWID_LEN); 4013278366Sadrian memcpy(essids[i].data, ss->ss_ssid[i].ssid, essids[i].len); 4014179957Sthompsa#ifdef WPI_DEBUG 4015278366Sadrian if (sc->sc_debug & WPI_DEBUG_SCAN) { 4016177043Sthompsa printf("Scanning Essid: "); 4017278366Sadrian ieee80211_print_essid(essids[i].data, essids[i].len); 4018177043Sthompsa printf("\n"); 4019177043Sthompsa } 4020179957Sthompsa#endif 4021173362Sbenjsc } 4022173362Sbenjsc 4023173362Sbenjsc /* 4024173362Sbenjsc * Build a probe request frame. Most of the following code is a 4025173362Sbenjsc * copy & paste of what is done in net80211. 4026173362Sbenjsc */ 4027278366Sadrian wh = (struct ieee80211_frame *)(essids + WPI_SCAN_MAX_ESSIDS); 4028173362Sbenjsc wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 4029173362Sbenjsc IEEE80211_FC0_SUBTYPE_PROBE_REQ; 4030173362Sbenjsc wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 4031173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr1, ifp->if_broadcastaddr); 4032279762Sadrian IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); 4033173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr3, ifp->if_broadcastaddr); 4034278366Sadrian *(uint16_t *)&wh->i_dur[0] = 0; /* filled by h/w */ 4035278366Sadrian *(uint16_t *)&wh->i_seq[0] = 0; /* filled by h/w */ 4036173362Sbenjsc 4037173362Sbenjsc frm = (uint8_t *)(wh + 1); 4038275966Sadrian frm = ieee80211_add_ssid(frm, NULL, 0); 4039275966Sadrian frm = ieee80211_add_rates(frm, rs); 4040278366Sadrian if (rs->rs_nrates > IEEE80211_RATE_SIZE) 4041278366Sadrian frm = ieee80211_add_xrates(frm, rs); 4042173362Sbenjsc 4043278366Sadrian /* Set length of probe request. */ 4044278366Sadrian tx->len = htole16(frm - (uint8_t *)wh); 4045173362Sbenjsc 4046173362Sbenjsc /* 4047173362Sbenjsc * Construct information about the channel that we 4048173362Sbenjsc * want to scan. The firmware expects this to be directly 4049173362Sbenjsc * after the scan probe request 4050173362Sbenjsc */ 4051173362Sbenjsc chan = (struct wpi_scan_chan *)frm; 4052278366Sadrian chan->chan = htole16(ieee80211_chan2ieee(ic, c)); 4053173362Sbenjsc chan->flags = 0; 4054278366Sadrian if (nssid) { 4055278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_DEFAULT; 4056278366Sadrian chan->flags |= WPI_CHAN_NPBREQS(nssid); 4057278366Sadrian } else 4058278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_NEVER; 4059278366Sadrian 4060278764Sadrian if (!IEEE80211_IS_CHAN_PASSIVE(c)) 4061173362Sbenjsc chan->flags |= WPI_CHAN_ACTIVE; 4062173362Sbenjsc 4063278366Sadrian /* 4064278366Sadrian * Calculate the active/passive dwell times. 4065278366Sadrian */ 4066173362Sbenjsc 4067278366Sadrian dwell_active = wpi_get_active_dwell_time(sc, c, nssid); 4068278366Sadrian dwell_passive = wpi_get_passive_dwell_time(sc, c); 4069278366Sadrian 4070278366Sadrian /* Make sure they're valid. */ 4071282382Sadrian if (dwell_active > dwell_passive) 4072282382Sadrian dwell_active = dwell_passive; 4073278366Sadrian 4074278366Sadrian chan->active = htole16(dwell_active); 4075278366Sadrian chan->passive = htole16(dwell_passive); 4076278366Sadrian 4077278366Sadrian chan->dsp_gain = 0x6e; /* Default level */ 4078278366Sadrian 4079278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) 4080278366Sadrian chan->rf_gain = 0x3b; 4081278366Sadrian else 4082278366Sadrian chan->rf_gain = 0x28; 4083278366Sadrian 4084278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "Scanning %u Passive: %d\n", 4085280059Sadrian chan->chan, IEEE80211_IS_CHAN_PASSIVE(c)); 4086278366Sadrian 4087173362Sbenjsc hdr->nchan++; 4088282376Sadrian 4089282376Sadrian if (hdr->nchan == 1 && sc->rxon.chan == chan->chan) { 4090282376Sadrian /* XXX Force probe request transmission. */ 4091282376Sadrian memcpy(chan + 1, chan, sizeof (struct wpi_scan_chan)); 4092282376Sadrian 4093282376Sadrian chan++; 4094282376Sadrian 4095282376Sadrian /* Reduce unnecessary delay. */ 4096282376Sadrian chan->flags = 0; 4097282376Sadrian chan->passive = chan->active = hdr->quiet_time; 4098282376Sadrian 4099282376Sadrian hdr->nchan++; 4100282376Sadrian } 4101282376Sadrian 4102173362Sbenjsc chan++; 4103173362Sbenjsc 4104278366Sadrian buflen = (uint8_t *)chan - buf; 4105278366Sadrian hdr->len = htole16(buflen); 4106173362Sbenjsc 4107278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "sending scan command nchan=%d\n", 4108278366Sadrian hdr->nchan); 4109278366Sadrian error = wpi_cmd(sc, WPI_CMD_SCAN, buf, buflen, 1); 4110278366Sadrian free(buf, M_DEVBUF); 4111173362Sbenjsc 4112280060Sadrian if (error != 0) 4113280060Sadrian goto fail; 4114280060Sadrian 4115280106Sadrian callout_reset(&sc->scan_timeout, 5*hz, wpi_scan_timeout, sc); 4116173362Sbenjsc 4117278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4118173362Sbenjsc 4119280060Sadrian return 0; 4120280060Sadrian 4121280060Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 4122280060Sadrian 4123278366Sadrian return error; 4124278366Sadrian} 4125173362Sbenjsc 4126278366Sadrianstatic int 4127278366Sadrianwpi_auth(struct wpi_softc *sc, struct ieee80211vap *vap) 4128278366Sadrian{ 4129278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4130278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4131282371Sadrian struct ieee80211_channel *c = ni->ni_chan; 4132278366Sadrian int error; 4133173362Sbenjsc 4134280108Sadrian WPI_RXON_LOCK(sc); 4135280108Sadrian 4136278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4137278366Sadrian 4138278366Sadrian /* Update adapter configuration. */ 4139278366Sadrian sc->rxon.associd = 0; 4140278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 4141278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4142282371Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 4143278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4144282371Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) 4145278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4146278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4147278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4148278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4149278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4150282371Sadrian if (IEEE80211_IS_CHAN_A(c)) { 4151278366Sadrian sc->rxon.cck_mask = 0; 4152278366Sadrian sc->rxon.ofdm_mask = 0x15; 4153282371Sadrian } else if (IEEE80211_IS_CHAN_B(c)) { 4154278366Sadrian sc->rxon.cck_mask = 0x03; 4155278366Sadrian sc->rxon.ofdm_mask = 0; 4156278366Sadrian } else { 4157278366Sadrian /* Assume 802.11b/g. */ 4158278366Sadrian sc->rxon.cck_mask = 0x0f; 4159278366Sadrian sc->rxon.ofdm_mask = 0x15; 4160173362Sbenjsc } 4161173362Sbenjsc 4162278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x cck %x ofdm %x\n", 4163278366Sadrian sc->rxon.chan, sc->rxon.flags, sc->rxon.cck_mask, 4164278366Sadrian sc->rxon.ofdm_mask); 4165173362Sbenjsc 4166278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4167278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4168278366Sadrian __func__); 4169278366Sadrian } 4170173362Sbenjsc 4171278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4172173362Sbenjsc 4173280108Sadrian WPI_RXON_UNLOCK(sc); 4174280108Sadrian 4175278366Sadrian return error; 4176173362Sbenjsc} 4177173362Sbenjsc 4178173362Sbenjscstatic int 4179280084Sadrianwpi_config_beacon(struct wpi_vap *wvp) 4180280084Sadrian{ 4181280085Sadrian struct ieee80211com *ic = wvp->wv_vap.iv_ic; 4182280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4183280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4184280084Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4185280084Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 4186280084Sadrian struct ieee80211_tim_ie *tie; 4187280084Sadrian struct mbuf *m; 4188280084Sadrian uint8_t *ptr; 4189280084Sadrian int error; 4190280084Sadrian 4191280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4192280084Sadrian 4193280086Sadrian WPI_VAP_LOCK_ASSERT(wvp); 4194280084Sadrian 4195280084Sadrian cmd->len = htole16(bcn->m->m_pkthdr.len); 4196280084Sadrian cmd->plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 4197280084Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 4198280084Sadrian 4199280084Sadrian /* XXX seems to be unused */ 4200280084Sadrian if (*(bo->bo_tim) == IEEE80211_ELEMID_TIM) { 4201280084Sadrian tie = (struct ieee80211_tim_ie *) bo->bo_tim; 4202280084Sadrian ptr = mtod(bcn->m, uint8_t *); 4203280084Sadrian 4204280084Sadrian cmd->tim = htole16(bo->bo_tim - ptr); 4205280084Sadrian cmd->timsz = tie->tim_len; 4206280084Sadrian } 4207280084Sadrian 4208280084Sadrian /* Necessary for recursion in ieee80211_beacon_update(). */ 4209280084Sadrian m = bcn->m; 4210280084Sadrian bcn->m = m_dup(m, M_NOWAIT); 4211280084Sadrian if (bcn->m == NULL) { 4212280084Sadrian device_printf(sc->sc_dev, 4213280084Sadrian "%s: could not copy beacon frame\n", __func__); 4214280084Sadrian error = ENOMEM; 4215280084Sadrian goto end; 4216280084Sadrian } 4217280084Sadrian 4218280084Sadrian if ((error = wpi_cmd2(sc, bcn)) != 0) { 4219280084Sadrian device_printf(sc->sc_dev, 4220280084Sadrian "%s: could not update beacon frame, error %d", __func__, 4221280084Sadrian error); 4222280084Sadrian } 4223280084Sadrian 4224280084Sadrian /* Restore mbuf. */ 4225280084Sadrianend: bcn->m = m; 4226280084Sadrian 4227280084Sadrian return error; 4228280084Sadrian} 4229280084Sadrian 4230280084Sadrianstatic int 4231278366Sadrianwpi_setup_beacon(struct wpi_softc *sc, struct ieee80211_node *ni) 4232173362Sbenjsc{ 4233280082Sadrian struct wpi_vap *wvp = WPI_VAP(ni->ni_vap); 4234278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4235280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4236278366Sadrian struct mbuf *m; 4237280084Sadrian int error; 4238173362Sbenjsc 4239278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4240278366Sadrian 4241278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) 4242278366Sadrian return EINVAL; 4243278366Sadrian 4244280084Sadrian m = ieee80211_beacon_alloc(ni, bo); 4245278366Sadrian if (m == NULL) { 4246278366Sadrian device_printf(sc->sc_dev, 4247278366Sadrian "%s: could not allocate beacon frame\n", __func__); 4248278366Sadrian return ENOMEM; 4249173362Sbenjsc } 4250173362Sbenjsc 4251280086Sadrian WPI_VAP_LOCK(wvp); 4252280084Sadrian if (bcn->m != NULL) 4253280084Sadrian m_freem(bcn->m); 4254278366Sadrian 4255278366Sadrian bcn->m = m; 4256278366Sadrian 4257280084Sadrian error = wpi_config_beacon(wvp); 4258280086Sadrian WPI_VAP_UNLOCK(wvp); 4259280084Sadrian 4260280084Sadrian return error; 4261278366Sadrian} 4262278366Sadrian 4263278366Sadrianstatic void 4264278366Sadrianwpi_update_beacon(struct ieee80211vap *vap, int item) 4265278366Sadrian{ 4266280057Sadrian struct wpi_softc *sc = vap->iv_ic->ic_ifp->if_softc; 4267280084Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4268280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4269280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4270278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4271280084Sadrian int mcast = 0; 4272278366Sadrian 4273280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4274280084Sadrian 4275280086Sadrian WPI_VAP_LOCK(wvp); 4276280084Sadrian if (bcn->m == NULL) { 4277280084Sadrian bcn->m = ieee80211_beacon_alloc(ni, bo); 4278280084Sadrian if (bcn->m == NULL) { 4279280084Sadrian device_printf(sc->sc_dev, 4280280084Sadrian "%s: could not allocate beacon frame\n", __func__); 4281280084Sadrian 4282280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, 4283280084Sadrian __func__); 4284280084Sadrian 4285280086Sadrian WPI_VAP_UNLOCK(wvp); 4286280084Sadrian return; 4287280084Sadrian } 4288173362Sbenjsc } 4289280086Sadrian WPI_VAP_UNLOCK(wvp); 4290280084Sadrian 4291280084Sadrian if (item == IEEE80211_BEACON_TIM) 4292280084Sadrian mcast = 1; /* TODO */ 4293280084Sadrian 4294280084Sadrian setbit(bo->bo_flags, item); 4295280084Sadrian ieee80211_beacon_update(ni, bo, bcn->m, mcast); 4296280084Sadrian 4297280086Sadrian WPI_VAP_LOCK(wvp); 4298280084Sadrian wpi_config_beacon(wvp); 4299280086Sadrian WPI_VAP_UNLOCK(wvp); 4300280084Sadrian 4301280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4302278366Sadrian} 4303173362Sbenjsc 4304280079Sadrianstatic void 4305280079Sadrianwpi_newassoc(struct ieee80211_node *ni, int isnew) 4306280079Sadrian{ 4307280079Sadrian struct ieee80211vap *vap = ni->ni_vap; 4308280079Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4309280079Sadrian struct wpi_node *wn = WPI_NODE(ni); 4310280079Sadrian int error; 4311280079Sadrian 4312280079Sadrian WPI_NT_LOCK(sc); 4313280079Sadrian 4314280079Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4315280079Sadrian 4316280079Sadrian if (vap->iv_opmode != IEEE80211_M_STA && wn->id == WPI_ID_UNDEFINED) { 4317280079Sadrian if ((error = wpi_add_ibss_node(sc, ni)) != 0) { 4318280079Sadrian device_printf(sc->sc_dev, 4319280079Sadrian "%s: could not add IBSS node, error %d\n", 4320280079Sadrian __func__, error); 4321280079Sadrian } 4322280079Sadrian } 4323280079Sadrian WPI_NT_UNLOCK(sc); 4324280079Sadrian} 4325280079Sadrian 4326278366Sadrianstatic int 4327278366Sadrianwpi_run(struct wpi_softc *sc, struct ieee80211vap *vap) 4328278366Sadrian{ 4329278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4330278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4331282371Sadrian struct ieee80211_channel *c = ni->ni_chan; 4332278366Sadrian int error; 4333278366Sadrian 4334278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4335278366Sadrian 4336278366Sadrian if (vap->iv_opmode == IEEE80211_M_MONITOR) { 4337278366Sadrian /* Link LED blinks while monitoring. */ 4338278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 5, 5); 4339278366Sadrian return 0; 4340173362Sbenjsc } 4341278366Sadrian 4342278366Sadrian /* XXX kernel panic workaround */ 4343282371Sadrian if (c == IEEE80211_CHAN_ANYC) { 4344278366Sadrian device_printf(sc->sc_dev, "%s: incomplete configuration\n", 4345278366Sadrian __func__); 4346195562Srpaulo return EINVAL; 4347173362Sbenjsc } 4348278366Sadrian 4349278366Sadrian if ((error = wpi_set_timing(sc, ni)) != 0) { 4350278366Sadrian device_printf(sc->sc_dev, 4351278366Sadrian "%s: could not set timing, error %d\n", __func__, error); 4352173362Sbenjsc return error; 4353173362Sbenjsc } 4354173362Sbenjsc 4355278366Sadrian /* Update adapter configuration. */ 4356280108Sadrian WPI_RXON_LOCK(sc); 4357278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4358278366Sadrian sc->rxon.associd = htole16(IEEE80211_NODE_AID(ni)); 4359282371Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 4360278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4361282371Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) 4362278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4363278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4364278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4365278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4366278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4367282371Sadrian if (IEEE80211_IS_CHAN_A(c)) { 4368278366Sadrian sc->rxon.cck_mask = 0; 4369278366Sadrian sc->rxon.ofdm_mask = 0x15; 4370282371Sadrian } else if (IEEE80211_IS_CHAN_B(c)) { 4371278366Sadrian sc->rxon.cck_mask = 0x03; 4372278366Sadrian sc->rxon.ofdm_mask = 0; 4373278366Sadrian } else { 4374278366Sadrian /* Assume 802.11b/g. */ 4375278366Sadrian sc->rxon.cck_mask = 0x0f; 4376278366Sadrian sc->rxon.ofdm_mask = 0x15; 4377173362Sbenjsc } 4378278366Sadrian sc->rxon.filter |= htole32(WPI_FILTER_BSS); 4379173362Sbenjsc 4380278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x\n", 4381278366Sadrian sc->rxon.chan, sc->rxon.flags); 4382278366Sadrian 4383278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4384278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4385278366Sadrian __func__); 4386173362Sbenjsc return error; 4387173362Sbenjsc } 4388173362Sbenjsc 4389280108Sadrian /* Start periodic calibration timer. */ 4390280108Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 4391280108Sadrian 4392280108Sadrian WPI_RXON_UNLOCK(sc); 4393280108Sadrian 4394280105Sadrian if (vap->iv_opmode == IEEE80211_M_IBSS || 4395280105Sadrian vap->iv_opmode == IEEE80211_M_HOSTAP) { 4396278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 4397278366Sadrian device_printf(sc->sc_dev, 4398278366Sadrian "%s: could not setup beacon, error %d\n", __func__, 4399278366Sadrian error); 4400278366Sadrian return error; 4401278366Sadrian } 4402173362Sbenjsc } 4403173362Sbenjsc 4404278366Sadrian if (vap->iv_opmode == IEEE80211_M_STA) { 4405278366Sadrian /* Add BSS node. */ 4406280077Sadrian WPI_NT_LOCK(sc); 4407280070Sadrian error = wpi_add_sta_node(sc, ni); 4408280077Sadrian WPI_NT_UNLOCK(sc); 4409280070Sadrian if (error != 0) { 4410278366Sadrian device_printf(sc->sc_dev, 4411278366Sadrian "%s: could not add BSS node, error %d\n", __func__, 4412278366Sadrian error); 4413278366Sadrian return error; 4414278366Sadrian } 4415278366Sadrian } 4416173362Sbenjsc 4417278366Sadrian /* Link LED always on while associated. */ 4418278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 4419173362Sbenjsc 4420278366Sadrian /* Enable power-saving mode if requested by user. */ 4421280099Sadrian if ((vap->iv_flags & IEEE80211_F_PMGTON) && 4422280099Sadrian vap->iv_opmode != IEEE80211_M_IBSS) 4423278366Sadrian (void)wpi_set_pslevel(sc, 0, 3, 1); 4424173362Sbenjsc 4425278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4426173362Sbenjsc 4427278366Sadrian return 0; 4428173362Sbenjsc} 4429173362Sbenjsc 4430173362Sbenjscstatic int 4431280088Sadrianwpi_load_key(struct ieee80211_node *ni, const struct ieee80211_key *k) 4432173362Sbenjsc{ 4433278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4434280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4435280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4436280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4437278366Sadrian struct wpi_node_info node; 4438278366Sadrian uint16_t kflags; 4439278366Sadrian int error; 4440173362Sbenjsc 4441278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4442173362Sbenjsc 4443280088Sadrian if (wpi_check_node_entry(sc, wn->id) == 0) { 4444280088Sadrian device_printf(sc->sc_dev, "%s: node does not exist\n", 4445280088Sadrian __func__); 4446280088Sadrian return 0; 4447280088Sadrian } 4448280088Sadrian 4449278366Sadrian switch (cip->ic_cipher) { 4450278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4451278366Sadrian kflags = WPI_KFLAG_CCMP; 4452278366Sadrian break; 4453280088Sadrian 4454278366Sadrian default: 4455280088Sadrian device_printf(sc->sc_dev, "%s: unknown cipher %d\n", __func__, 4456280088Sadrian cip->ic_cipher); 4457280088Sadrian return 0; 4458278366Sadrian } 4459173362Sbenjsc 4460278366Sadrian kflags |= WPI_KFLAG_KID(k->wk_keyix); 4461278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4462278366Sadrian kflags |= WPI_KFLAG_MULTICAST; 4463173362Sbenjsc 4464278366Sadrian memset(&node, 0, sizeof node); 4465278366Sadrian node.id = wn->id; 4466278366Sadrian node.control = WPI_NODE_UPDATE; 4467278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4468278366Sadrian node.kflags = htole16(kflags); 4469278366Sadrian memcpy(node.key, k->wk_key, k->wk_keylen); 4470280088Sadrianagain: 4471280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, 4472280088Sadrian "%s: setting %s key id %d for node %d (%s)\n", __func__, 4473280088Sadrian (kflags & WPI_KFLAG_MULTICAST) ? "group" : "ucast", k->wk_keyix, 4474280088Sadrian node.id, ether_sprintf(ni->ni_macaddr)); 4475173362Sbenjsc 4476278366Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4477278366Sadrian if (error != 0) { 4478278366Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4479278366Sadrian error); 4480280088Sadrian return !error; 4481173362Sbenjsc } 4482173362Sbenjsc 4483280088Sadrian if (!(kflags & WPI_KFLAG_MULTICAST) && &vap->iv_nw_keys[0] <= k && 4484280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4485280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4486280088Sadrian node.kflags = htole16(kflags); 4487280088Sadrian 4488280088Sadrian goto again; 4489280088Sadrian } 4490280088Sadrian 4491278366Sadrian return 1; 4492173362Sbenjsc} 4493173362Sbenjsc 4494280088Sadrianstatic void 4495280088Sadrianwpi_load_key_cb(void *arg, struct ieee80211_node *ni) 4496280088Sadrian{ 4497280088Sadrian const struct ieee80211_key *k = arg; 4498280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4499280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4500280088Sadrian struct wpi_node *wn = WPI_NODE(ni); 4501280088Sadrian int error; 4502280088Sadrian 4503280088Sadrian if (vap->iv_bss == ni && wn->id == WPI_ID_UNDEFINED) 4504280088Sadrian return; 4505280088Sadrian 4506280088Sadrian WPI_NT_LOCK(sc); 4507280088Sadrian error = wpi_load_key(ni, k); 4508280088Sadrian WPI_NT_UNLOCK(sc); 4509280088Sadrian 4510280088Sadrian if (error == 0) { 4511280088Sadrian device_printf(sc->sc_dev, "%s: error while setting key\n", 4512280088Sadrian __func__); 4513280088Sadrian } 4514280088Sadrian} 4515280088Sadrian 4516278366Sadrianstatic int 4517280088Sadrianwpi_set_global_keys(struct ieee80211_node *ni) 4518173362Sbenjsc{ 4519280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4520280088Sadrian struct ieee80211_key *wk = &vap->iv_nw_keys[0]; 4521280088Sadrian int error = 1; 4522280088Sadrian 4523280088Sadrian for (; wk < &vap->iv_nw_keys[IEEE80211_WEP_NKID] && error; wk++) 4524280088Sadrian if (wk->wk_keyix != IEEE80211_KEYIX_NONE) 4525280088Sadrian error = wpi_load_key(ni, wk); 4526280088Sadrian 4527280088Sadrian return !error; 4528280088Sadrian} 4529280088Sadrian 4530280088Sadrianstatic int 4531280088Sadrianwpi_del_key(struct ieee80211_node *ni, const struct ieee80211_key *k) 4532280088Sadrian{ 4533280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4534280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4535280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4536278366Sadrian struct wpi_node_info node; 4537280088Sadrian uint16_t kflags; 4538280088Sadrian int error; 4539173362Sbenjsc 4540278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4541173362Sbenjsc 4542280088Sadrian if (wpi_check_node_entry(sc, wn->id) == 0) { 4543280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: node was removed\n", __func__); 4544280088Sadrian return 1; /* Nothing to do. */ 4545278366Sadrian } 4546173362Sbenjsc 4547280088Sadrian kflags = WPI_KFLAG_KID(k->wk_keyix); 4548280088Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4549280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4550173362Sbenjsc 4551278366Sadrian memset(&node, 0, sizeof node); 4552278366Sadrian node.id = wn->id; 4553278366Sadrian node.control = WPI_NODE_UPDATE; 4554278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4555280088Sadrian node.kflags = htole16(kflags); 4556280088Sadrianagain: 4557280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: deleting %s key %d for node %d (%s)\n", 4558280088Sadrian __func__, (kflags & WPI_KFLAG_MULTICAST) ? "group" : "ucast", 4559280088Sadrian k->wk_keyix, node.id, ether_sprintf(ni->ni_macaddr)); 4560173362Sbenjsc 4561280088Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4562280088Sadrian if (error != 0) { 4563280088Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4564280088Sadrian error); 4565280088Sadrian return !error; 4566280088Sadrian } 4567173362Sbenjsc 4568280088Sadrian if (!(kflags & WPI_KFLAG_MULTICAST) && &vap->iv_nw_keys[0] <= k && 4569280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4570280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4571280088Sadrian node.kflags = htole16(kflags); 4572280088Sadrian 4573280088Sadrian goto again; 4574280088Sadrian } 4575280088Sadrian 4576278366Sadrian return 1; 4577173362Sbenjsc} 4578173362Sbenjsc 4579280088Sadrianstatic void 4580280088Sadrianwpi_del_key_cb(void *arg, struct ieee80211_node *ni) 4581280088Sadrian{ 4582280088Sadrian const struct ieee80211_key *k = arg; 4583280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4584280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4585280088Sadrian struct wpi_node *wn = WPI_NODE(ni); 4586280088Sadrian int error; 4587280088Sadrian 4588280088Sadrian if (vap->iv_bss == ni && wn->id == WPI_ID_UNDEFINED) 4589280088Sadrian return; 4590280088Sadrian 4591280088Sadrian WPI_NT_LOCK(sc); 4592280088Sadrian error = wpi_del_key(ni, k); 4593280088Sadrian WPI_NT_UNLOCK(sc); 4594280088Sadrian 4595280088Sadrian if (error == 0) { 4596280088Sadrian device_printf(sc->sc_dev, "%s: error while deleting key\n", 4597280088Sadrian __func__); 4598280088Sadrian } 4599280088Sadrian} 4600280088Sadrian 4601280088Sadrianstatic int 4602280088Sadrianwpi_process_key(struct ieee80211vap *vap, const struct ieee80211_key *k, 4603280088Sadrian int set) 4604280088Sadrian{ 4605280088Sadrian struct ieee80211com *ic = vap->iv_ic; 4606280088Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4607280088Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4608280088Sadrian struct ieee80211_node *ni; 4609280088Sadrian int error, ni_ref = 0; 4610280088Sadrian 4611280088Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4612280088Sadrian 4613280088Sadrian if (k->wk_flags & IEEE80211_KEY_SWCRYPT) { 4614280088Sadrian /* Not for us. */ 4615280088Sadrian return 1; 4616280088Sadrian } 4617280088Sadrian 4618280088Sadrian if (!(k->wk_flags & IEEE80211_KEY_RECV)) { 4619280088Sadrian /* XMIT keys are handled in wpi_tx_data(). */ 4620280088Sadrian return 1; 4621280088Sadrian } 4622280088Sadrian 4623280088Sadrian /* Handle group keys. */ 4624280088Sadrian if (&vap->iv_nw_keys[0] <= k && 4625280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4626280088Sadrian WPI_NT_LOCK(sc); 4627280088Sadrian if (set) 4628280088Sadrian wvp->wv_gtk |= WPI_VAP_KEY(k->wk_keyix); 4629280088Sadrian else 4630280088Sadrian wvp->wv_gtk &= ~WPI_VAP_KEY(k->wk_keyix); 4631280088Sadrian WPI_NT_UNLOCK(sc); 4632280088Sadrian 4633280088Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 4634280088Sadrian ieee80211_iterate_nodes(&ic->ic_sta, 4635280127Skib set ? wpi_load_key_cb : wpi_del_key_cb, 4636280127Skib __DECONST(void *, k)); 4637280088Sadrian } 4638280088Sadrian 4639280088Sadrian return 1; 4640280088Sadrian } 4641280088Sadrian 4642280088Sadrian switch (vap->iv_opmode) { 4643280088Sadrian case IEEE80211_M_STA: 4644280088Sadrian ni = vap->iv_bss; 4645280088Sadrian break; 4646280088Sadrian 4647280088Sadrian case IEEE80211_M_IBSS: 4648280088Sadrian case IEEE80211_M_AHDEMO: 4649280105Sadrian case IEEE80211_M_HOSTAP: 4650280088Sadrian ni = ieee80211_find_vap_node(&ic->ic_sta, vap, k->wk_macaddr); 4651280088Sadrian if (ni == NULL) 4652280088Sadrian return 0; /* should not happen */ 4653280088Sadrian 4654280088Sadrian ni_ref = 1; 4655280088Sadrian break; 4656280088Sadrian 4657280088Sadrian default: 4658280088Sadrian device_printf(sc->sc_dev, "%s: unknown opmode %d\n", __func__, 4659280088Sadrian vap->iv_opmode); 4660280088Sadrian return 0; 4661280088Sadrian } 4662280088Sadrian 4663280088Sadrian WPI_NT_LOCK(sc); 4664280088Sadrian if (set) 4665280088Sadrian error = wpi_load_key(ni, k); 4666280088Sadrian else 4667280088Sadrian error = wpi_del_key(ni, k); 4668280088Sadrian WPI_NT_UNLOCK(sc); 4669280088Sadrian 4670280088Sadrian if (ni_ref) 4671280088Sadrian ieee80211_node_decref(ni); 4672280088Sadrian 4673280088Sadrian return error; 4674280088Sadrian} 4675280088Sadrian 4676280088Sadrianstatic int 4677280088Sadrianwpi_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k, 4678280088Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 4679280088Sadrian{ 4680280088Sadrian return wpi_process_key(vap, k, 1); 4681280088Sadrian} 4682280088Sadrian 4683280088Sadrianstatic int 4684280088Sadrianwpi_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 4685280088Sadrian{ 4686280088Sadrian return wpi_process_key(vap, k, 0); 4687280088Sadrian} 4688280088Sadrian 4689278366Sadrian/* 4690278366Sadrian * This function is called after the runtime firmware notifies us of its 4691278366Sadrian * readiness (called in a process context). 4692278366Sadrian */ 4693278366Sadrianstatic int 4694278366Sadrianwpi_post_alive(struct wpi_softc *sc) 4695177043Sthompsa{ 4696278366Sadrian int ntries, error; 4697177043Sthompsa 4698278366Sadrian /* Check (again) that the radio is not disabled. */ 4699278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4700278366Sadrian return error; 4701177043Sthompsa 4702278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4703278366Sadrian 4704278366Sadrian /* NB: Runtime firmware must be up and running. */ 4705278366Sadrian if (!(wpi_prph_read(sc, WPI_APMG_RFKILL) & 1)) { 4706282391Sadrian device_printf(sc->sc_dev, 4707278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4708278366Sadrian wpi_nic_unlock(sc); 4709278366Sadrian return EPERM; /* :-) */ 4710278366Sadrian } 4711278366Sadrian wpi_nic_unlock(sc); 4712278366Sadrian 4713278366Sadrian /* Wait for thermal sensor to calibrate. */ 4714177043Sthompsa for (ntries = 0; ntries < 1000; ntries++) { 4715278366Sadrian if ((sc->temp = (int)WPI_READ(sc, WPI_UCODE_GP2)) != 0) 4716177043Sthompsa break; 4717177043Sthompsa DELAY(10); 4718177043Sthompsa } 4719177043Sthompsa 4720177043Sthompsa if (ntries == 1000) { 4721177043Sthompsa device_printf(sc->sc_dev, 4722278366Sadrian "timeout waiting for thermal sensor calibration\n"); 4723280059Sadrian return ETIMEDOUT; 4724280059Sadrian } 4725177043Sthompsa 4726280059Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d\n", sc->temp); 4727280059Sadrian return 0; 4728278366Sadrian} 4729177043Sthompsa 4730278366Sadrian/* 4731278366Sadrian * The firmware boot code is small and is intended to be copied directly into 4732278366Sadrian * the NIC internal memory (no DMA transfer). 4733278366Sadrian */ 4734278366Sadrianstatic int 4735278366Sadrianwpi_load_bootcode(struct wpi_softc *sc, const uint8_t *ucode, int size) 4736278366Sadrian{ 4737278366Sadrian int error, ntries; 4738177043Sthompsa 4739278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, "Loading microcode size 0x%x\n", size); 4740278366Sadrian 4741278366Sadrian size /= sizeof (uint32_t); 4742278366Sadrian 4743278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4744278366Sadrian return error; 4745278366Sadrian 4746278366Sadrian /* Copy microcode image into NIC memory. */ 4747278366Sadrian wpi_prph_write_region_4(sc, WPI_BSM_SRAM_BASE, 4748278366Sadrian (const uint32_t *)ucode, size); 4749278366Sadrian 4750278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_SRC, 0); 4751278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_DST, WPI_FW_TEXT_BASE); 4752278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_DWCOUNT, size); 4753278366Sadrian 4754278366Sadrian /* Start boot load now. */ 4755278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START); 4756278366Sadrian 4757278366Sadrian /* Wait for transfer to complete. */ 4758278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 4759278366Sadrian uint32_t status = WPI_READ(sc, WPI_FH_TX_STATUS); 4760278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4761278366Sadrian "firmware status=0x%x, val=0x%x, result=0x%x\n", status, 4762278366Sadrian WPI_FH_TX_STATUS_IDLE(6), 4763278366Sadrian status & WPI_FH_TX_STATUS_IDLE(6)); 4764278366Sadrian if (status & WPI_FH_TX_STATUS_IDLE(6)) { 4765278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4766278366Sadrian "Status Match! - ntries = %d\n", ntries); 4767278366Sadrian break; 4768178354Ssam } 4769278366Sadrian DELAY(10); 4770177043Sthompsa } 4771278366Sadrian if (ntries == 1000) { 4772278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4773278366Sadrian __func__); 4774278366Sadrian wpi_nic_unlock(sc); 4775278366Sadrian return ETIMEDOUT; 4776278366Sadrian } 4777177043Sthompsa 4778278366Sadrian /* Enable boot after power up. */ 4779278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START_EN); 4780278366Sadrian 4781278366Sadrian wpi_nic_unlock(sc); 4782278366Sadrian return 0; 4783177043Sthompsa} 4784177043Sthompsa 4785278366Sadrianstatic int 4786278366Sadrianwpi_load_firmware(struct wpi_softc *sc) 4787177043Sthompsa{ 4788278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4789278366Sadrian struct wpi_dma_info *dma = &sc->fw_dma; 4790278366Sadrian int error; 4791173362Sbenjsc 4792278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4793173362Sbenjsc 4794278366Sadrian /* Copy initialization sections into pre-allocated DMA-safe memory. */ 4795278366Sadrian memcpy(dma->vaddr, fw->init.data, fw->init.datasz); 4796278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4797278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->init.text, fw->init.textsz); 4798278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4799173362Sbenjsc 4800278366Sadrian /* Tell adapter where to find initialization sections. */ 4801278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4802278366Sadrian return error; 4803278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4804278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->init.datasz); 4805278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4806278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4807278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, fw->init.textsz); 4808278366Sadrian wpi_nic_unlock(sc); 4809173362Sbenjsc 4810278366Sadrian /* Load firmware boot code. */ 4811278366Sadrian error = wpi_load_bootcode(sc, fw->boot.text, fw->boot.textsz); 4812278366Sadrian if (error != 0) { 4813278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4814278366Sadrian __func__); 4815278366Sadrian return error; 4816278366Sadrian } 4817173362Sbenjsc 4818278366Sadrian /* Now press "execute". */ 4819278366Sadrian WPI_WRITE(sc, WPI_RESET, 0); 4820173362Sbenjsc 4821278366Sadrian /* Wait at most one second for first alive notification. */ 4822280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4823278366Sadrian device_printf(sc->sc_dev, 4824278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4825278366Sadrian __func__, error); 4826278366Sadrian return error; 4827173362Sbenjsc } 4828173362Sbenjsc 4829278366Sadrian /* Copy runtime sections into pre-allocated DMA-safe memory. */ 4830278366Sadrian memcpy(dma->vaddr, fw->main.data, fw->main.datasz); 4831278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4832278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->main.text, fw->main.textsz); 4833278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4834173362Sbenjsc 4835278366Sadrian /* Tell adapter where to find runtime sections. */ 4836278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4837278366Sadrian return error; 4838278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4839278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->main.datasz); 4840278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4841278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4842278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, 4843278366Sadrian WPI_FW_UPDATED | fw->main.textsz); 4844278366Sadrian wpi_nic_unlock(sc); 4845173362Sbenjsc 4846278366Sadrian return 0; 4847278366Sadrian} 4848173362Sbenjsc 4849278366Sadrianstatic int 4850278366Sadrianwpi_read_firmware(struct wpi_softc *sc) 4851278366Sadrian{ 4852278366Sadrian const struct firmware *fp; 4853278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4854278366Sadrian const struct wpi_firmware_hdr *hdr; 4855278366Sadrian int error; 4856173362Sbenjsc 4857278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4858278366Sadrian 4859278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4860278366Sadrian "Attempting Loading Firmware from %s module\n", WPI_FW_NAME); 4861278366Sadrian 4862278366Sadrian WPI_UNLOCK(sc); 4863278366Sadrian fp = firmware_get(WPI_FW_NAME); 4864278366Sadrian WPI_LOCK(sc); 4865278366Sadrian 4866278366Sadrian if (fp == NULL) { 4867278366Sadrian device_printf(sc->sc_dev, 4868278366Sadrian "could not load firmware image '%s'\n", WPI_FW_NAME); 4869278366Sadrian return EINVAL; 4870173362Sbenjsc } 4871173362Sbenjsc 4872278366Sadrian sc->fw_fp = fp; 4873173362Sbenjsc 4874278366Sadrian if (fp->datasize < sizeof (struct wpi_firmware_hdr)) { 4875278366Sadrian device_printf(sc->sc_dev, 4876278366Sadrian "firmware file too short: %zu bytes\n", fp->datasize); 4877278366Sadrian error = EINVAL; 4878278366Sadrian goto fail; 4879173362Sbenjsc } 4880173362Sbenjsc 4881278366Sadrian fw->size = fp->datasize; 4882278366Sadrian fw->data = (const uint8_t *)fp->data; 4883278366Sadrian 4884278366Sadrian /* Extract firmware header information. */ 4885278366Sadrian hdr = (const struct wpi_firmware_hdr *)fw->data; 4886278366Sadrian 4887278366Sadrian /* | RUNTIME FIRMWARE | INIT FIRMWARE | BOOT FW | 4888278366Sadrian |HDR|<--TEXT-->|<--DATA-->|<--TEXT-->|<--DATA-->|<--TEXT-->| */ 4889278366Sadrian 4890278366Sadrian fw->main.textsz = le32toh(hdr->rtextsz); 4891278366Sadrian fw->main.datasz = le32toh(hdr->rdatasz); 4892278366Sadrian fw->init.textsz = le32toh(hdr->itextsz); 4893278366Sadrian fw->init.datasz = le32toh(hdr->idatasz); 4894278366Sadrian fw->boot.textsz = le32toh(hdr->btextsz); 4895278366Sadrian fw->boot.datasz = 0; 4896278366Sadrian 4897278366Sadrian /* Sanity-check firmware header. */ 4898278366Sadrian if (fw->main.textsz > WPI_FW_TEXT_MAXSZ || 4899278366Sadrian fw->main.datasz > WPI_FW_DATA_MAXSZ || 4900278366Sadrian fw->init.textsz > WPI_FW_TEXT_MAXSZ || 4901278366Sadrian fw->init.datasz > WPI_FW_DATA_MAXSZ || 4902278366Sadrian fw->boot.textsz > WPI_FW_BOOT_TEXT_MAXSZ || 4903278366Sadrian (fw->boot.textsz & 3) != 0) { 4904278366Sadrian device_printf(sc->sc_dev, "invalid firmware header\n"); 4905278366Sadrian error = EINVAL; 4906278366Sadrian goto fail; 4907173362Sbenjsc } 4908173362Sbenjsc 4909278366Sadrian /* Check that all firmware sections fit. */ 4910278366Sadrian if (fw->size < sizeof (*hdr) + fw->main.textsz + fw->main.datasz + 4911278366Sadrian fw->init.textsz + fw->init.datasz + fw->boot.textsz) { 4912173362Sbenjsc device_printf(sc->sc_dev, 4913278366Sadrian "firmware file too short: %zu bytes\n", fw->size); 4914278366Sadrian error = EINVAL; 4915278366Sadrian goto fail; 4916173362Sbenjsc } 4917173362Sbenjsc 4918278366Sadrian /* Get pointers to firmware sections. */ 4919278366Sadrian fw->main.text = (const uint8_t *)(hdr + 1); 4920278366Sadrian fw->main.data = fw->main.text + fw->main.textsz; 4921278366Sadrian fw->init.text = fw->main.data + fw->main.datasz; 4922278366Sadrian fw->init.data = fw->init.text + fw->init.textsz; 4923278366Sadrian fw->boot.text = fw->init.data + fw->init.datasz; 4924177043Sthompsa 4925278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4926278366Sadrian "Firmware Version: Major %d, Minor %d, Driver %d, \n" 4927280066Sadrian "runtime (text: %u, data: %u) init (text: %u, data %u) " 4928280066Sadrian "boot (text %u)\n", hdr->major, hdr->minor, le32toh(hdr->driver), 4929278366Sadrian fw->main.textsz, fw->main.datasz, 4930278366Sadrian fw->init.textsz, fw->init.datasz, fw->boot.textsz); 4931278366Sadrian 4932278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.text %p\n", fw->main.text); 4933278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.data %p\n", fw->main.data); 4934278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.text %p\n", fw->init.text); 4935278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.data %p\n", fw->init.data); 4936278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->boot.text %p\n", fw->boot.text); 4937278366Sadrian 4938278366Sadrian return 0; 4939278366Sadrian 4940278366Sadrianfail: wpi_unload_firmware(sc); 4941278366Sadrian return error; 4942173362Sbenjsc} 4943173362Sbenjsc 4944278366Sadrian/** 4945278366Sadrian * Free the referenced firmware image 4946278366Sadrian */ 4947173362Sbenjscstatic void 4948278366Sadrianwpi_unload_firmware(struct wpi_softc *sc) 4949173362Sbenjsc{ 4950278366Sadrian if (sc->fw_fp != NULL) { 4951278366Sadrian firmware_put(sc->fw_fp, FIRMWARE_UNLOAD); 4952278366Sadrian sc->fw_fp = NULL; 4953278366Sadrian } 4954278366Sadrian} 4955173362Sbenjsc 4956278366Sadrianstatic int 4957278366Sadrianwpi_clock_wait(struct wpi_softc *sc) 4958278366Sadrian{ 4959278366Sadrian int ntries; 4960173362Sbenjsc 4961278366Sadrian /* Set "initialization complete" bit. */ 4962278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4963278366Sadrian 4964278366Sadrian /* Wait for clock stabilization. */ 4965278366Sadrian for (ntries = 0; ntries < 2500; ntries++) { 4966278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_MAC_CLOCK_READY) 4967278366Sadrian return 0; 4968278366Sadrian DELAY(100); 4969278366Sadrian } 4970278366Sadrian device_printf(sc->sc_dev, 4971278366Sadrian "%s: timeout waiting for clock stabilization\n", __func__); 4972278366Sadrian 4973278366Sadrian return ETIMEDOUT; 4974173362Sbenjsc} 4975178354Ssam 4976278366Sadrianstatic int 4977278366Sadrianwpi_apm_init(struct wpi_softc *sc) 4978173362Sbenjsc{ 4979278366Sadrian uint32_t reg; 4980278366Sadrian int error; 4981173362Sbenjsc 4982278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4983173362Sbenjsc 4984278366Sadrian /* Disable L0s exit timer (NMI bug workaround). */ 4985278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_DIS_L0S_TIMER); 4986278366Sadrian /* Don't wait for ICH L0s (ICH bug workaround). */ 4987278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_L1A_NO_L0S_RX); 4988173362Sbenjsc 4989278366Sadrian /* Set FH wait threshold to max (HW bug under stress workaround). */ 4990278366Sadrian WPI_SETBITS(sc, WPI_DBG_HPET_MEM, 0xffff0000); 4991173362Sbenjsc 4992278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 4993278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 4994278366Sadrian /* Workaround for HW instability in PCIe L0->L0s->L1 transition. */ 4995278366Sadrian if (reg & 0x02) /* L1 Entry enabled. */ 4996278366Sadrian WPI_SETBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4997278366Sadrian else 4998278366Sadrian WPI_CLRBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4999173362Sbenjsc 5000278366Sadrian WPI_SETBITS(sc, WPI_ANA_PLL, WPI_ANA_PLL_INIT); 5001173362Sbenjsc 5002278366Sadrian /* Wait for clock stabilization before accessing prph. */ 5003278366Sadrian if ((error = wpi_clock_wait(sc)) != 0) 5004278366Sadrian return error; 5005173362Sbenjsc 5006278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5007278366Sadrian return error; 5008281288Sadrian /* Cleanup. */ 5009281288Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 0x00000400); 5010281288Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, 0x00000200); 5011281288Sadrian 5012278366Sadrian /* Enable DMA and BSM (Bootstrap State Machine). */ 5013278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_EN, 5014278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT | WPI_APMG_CLK_CTRL_BSM_CLK_RQT); 5015278366Sadrian DELAY(20); 5016278366Sadrian /* Disable L1-Active. */ 5017278366Sadrian wpi_prph_setbits(sc, WPI_APMG_PCI_STT, WPI_APMG_PCI_STT_L1A_DIS); 5018278366Sadrian wpi_nic_unlock(sc); 5019173362Sbenjsc 5020278366Sadrian return 0; 5021278366Sadrian} 5022173362Sbenjsc 5023278366Sadrianstatic void 5024278366Sadrianwpi_apm_stop_master(struct wpi_softc *sc) 5025278366Sadrian{ 5026278366Sadrian int ntries; 5027278366Sadrian 5028278366Sadrian /* Stop busmaster DMA activity. */ 5029278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_STOP_MASTER); 5030282391Sadrian 5031278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_PS_MASK) == 5032278366Sadrian WPI_GP_CNTRL_MAC_PS) 5033278366Sadrian return; /* Already asleep. */ 5034278366Sadrian 5035278366Sadrian for (ntries = 0; ntries < 100; ntries++) { 5036278366Sadrian if (WPI_READ(sc, WPI_RESET) & WPI_RESET_MASTER_DISABLED) 5037278366Sadrian return; 5038278366Sadrian DELAY(10); 5039278366Sadrian } 5040280066Sadrian device_printf(sc->sc_dev, "%s: timeout waiting for master\n", 5041280066Sadrian __func__); 5042173362Sbenjsc} 5043173362Sbenjsc 5044173362Sbenjscstatic void 5045278366Sadrianwpi_apm_stop(struct wpi_softc *sc) 5046173362Sbenjsc{ 5047278366Sadrian wpi_apm_stop_master(sc); 5048278366Sadrian 5049278366Sadrian /* Reset the entire device. */ 5050278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_SW); 5051278366Sadrian DELAY(10); 5052278366Sadrian /* Clear "initialization complete" bit. */ 5053278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 5054173362Sbenjsc} 5055173362Sbenjsc 5056173362Sbenjscstatic void 5057278366Sadrianwpi_nic_config(struct wpi_softc *sc) 5058173362Sbenjsc{ 5059278366Sadrian uint32_t rev; 5060173362Sbenjsc 5061278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5062177043Sthompsa 5063278366Sadrian /* voodoo from the Linux "driver".. */ 5064278366Sadrian rev = pci_read_config(sc->sc_dev, PCIR_REVID, 1); 5065278366Sadrian if ((rev & 0xc0) == 0x40) 5066278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MB); 5067278366Sadrian else if (!(rev & 0x80)) 5068278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MM); 5069173362Sbenjsc 5070278366Sadrian if (sc->cap == 0x80) 5071278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_SKU_MRC); 5072173362Sbenjsc 5073280076Sadrian if ((sc->rev & 0xf0) == 0xd0) 5074278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 5075278366Sadrian else 5076278366Sadrian WPI_CLRBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 5077278366Sadrian 5078278366Sadrian if (sc->type > 1) 5079278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_TYPE_B); 5080173362Sbenjsc} 5081173362Sbenjsc 5082278366Sadrianstatic int 5083278366Sadrianwpi_hw_init(struct wpi_softc *sc) 5084173362Sbenjsc{ 5085278366Sadrian int chnl, ntries, error; 5086178354Ssam 5087278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 5088278366Sadrian 5089278366Sadrian /* Clear pending interrupts. */ 5090278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5091278366Sadrian 5092278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 5093278366Sadrian device_printf(sc->sc_dev, 5094278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 5095278366Sadrian error); 5096278366Sadrian return error; 5097173362Sbenjsc } 5098173362Sbenjsc 5099278366Sadrian /* Select VMAIN power source. */ 5100278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5101278366Sadrian return error; 5102278366Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, WPI_APMG_PS_PWR_SRC_MASK); 5103278366Sadrian wpi_nic_unlock(sc); 5104278366Sadrian /* Spin until VMAIN gets selected. */ 5105278366Sadrian for (ntries = 0; ntries < 5000; ntries++) { 5106278366Sadrian if (WPI_READ(sc, WPI_GPIO_IN) & WPI_GPIO_IN_VMAIN) 5107278366Sadrian break; 5108278366Sadrian DELAY(10); 5109278366Sadrian } 5110278366Sadrian if (ntries == 5000) { 5111278366Sadrian device_printf(sc->sc_dev, "timeout selecting power source\n"); 5112278366Sadrian return ETIMEDOUT; 5113278366Sadrian } 5114173362Sbenjsc 5115278366Sadrian /* Perform adapter initialization. */ 5116278366Sadrian wpi_nic_config(sc); 5117173362Sbenjsc 5118278366Sadrian /* Initialize RX ring. */ 5119278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5120278366Sadrian return error; 5121278366Sadrian /* Set physical address of RX ring. */ 5122278366Sadrian WPI_WRITE(sc, WPI_FH_RX_BASE, sc->rxq.desc_dma.paddr); 5123278366Sadrian /* Set physical address of RX read pointer. */ 5124278366Sadrian WPI_WRITE(sc, WPI_FH_RX_RPTR_ADDR, sc->shared_dma.paddr + 5125278366Sadrian offsetof(struct wpi_shared, next)); 5126278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, 0); 5127278366Sadrian /* Enable RX. */ 5128278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 5129278366Sadrian WPI_FH_RX_CONFIG_DMA_ENA | 5130278366Sadrian WPI_FH_RX_CONFIG_RDRBD_ENA | 5131278366Sadrian WPI_FH_RX_CONFIG_WRSTATUS_ENA | 5132278366Sadrian WPI_FH_RX_CONFIG_MAXFRAG | 5133278366Sadrian WPI_FH_RX_CONFIG_NRBD(WPI_RX_RING_COUNT_LOG) | 5134278366Sadrian WPI_FH_RX_CONFIG_IRQ_DST_HOST | 5135278366Sadrian WPI_FH_RX_CONFIG_IRQ_TIMEOUT(1)); 5136278366Sadrian (void)WPI_READ(sc, WPI_FH_RSSR_TBL); /* barrier */ 5137278366Sadrian wpi_nic_unlock(sc); 5138278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, (WPI_RX_RING_COUNT - 1) & ~7); 5139173362Sbenjsc 5140278366Sadrian /* Initialize TX rings. */ 5141278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5142278366Sadrian return error; 5143278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 2); /* bypass mode */ 5144278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_ARASTAT, 1); /* enable RA0 */ 5145278366Sadrian /* Enable all 6 TX rings. */ 5146278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0x3f); 5147278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE1, 0x10000); 5148278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE2, 0x30002); 5149278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF4MF, 4); 5150278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF5MF, 5); 5151278366Sadrian /* Set physical address of TX rings. */ 5152278366Sadrian WPI_WRITE(sc, WPI_FH_TX_BASE, sc->shared_dma.paddr); 5153278366Sadrian WPI_WRITE(sc, WPI_FH_MSG_CONFIG, 0xffff05a5); 5154278366Sadrian 5155278366Sadrian /* Enable all DMA channels. */ 5156278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 5157278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_CTRL(chnl), 0); 5158278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_BASE(chnl), 0); 5159278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0x80200008); 5160173362Sbenjsc } 5161278366Sadrian wpi_nic_unlock(sc); 5162278366Sadrian (void)WPI_READ(sc, WPI_FH_TX_BASE); /* barrier */ 5163278366Sadrian 5164278366Sadrian /* Clear "radio off" and "commands blocked" bits. */ 5165278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5166278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_CMD_BLOCKED); 5167278366Sadrian 5168278366Sadrian /* Clear pending interrupts. */ 5169278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5170278366Sadrian /* Enable interrupts. */ 5171278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 5172278366Sadrian 5173278366Sadrian /* _Really_ make sure "radio off" bit is cleared! */ 5174278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5175278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5176278366Sadrian 5177278366Sadrian if ((error = wpi_load_firmware(sc)) != 0) { 5178278366Sadrian device_printf(sc->sc_dev, 5179278366Sadrian "%s: could not load firmware, error %d\n", __func__, 5180278366Sadrian error); 5181278366Sadrian return error; 5182278366Sadrian } 5183278366Sadrian /* Wait at most one second for firmware alive notification. */ 5184280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 5185278366Sadrian device_printf(sc->sc_dev, 5186278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 5187278366Sadrian __func__, error); 5188278366Sadrian return error; 5189278366Sadrian } 5190278366Sadrian 5191278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 5192278366Sadrian 5193278366Sadrian /* Do post-firmware initialization. */ 5194278366Sadrian return wpi_post_alive(sc); 5195173362Sbenjsc} 5196173362Sbenjsc 5197173362Sbenjscstatic void 5198278366Sadrianwpi_hw_stop(struct wpi_softc *sc) 5199173362Sbenjsc{ 5200278366Sadrian int chnl, qid, ntries; 5201173362Sbenjsc 5202278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5203173362Sbenjsc 5204278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) 5205278366Sadrian wpi_nic_lock(sc); 5206173362Sbenjsc 5207278366Sadrian WPI_WRITE(sc, WPI_RESET, WPI_RESET_NEVO); 5208173362Sbenjsc 5209278366Sadrian /* Disable interrupts. */ 5210278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 5211278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5212278366Sadrian WPI_WRITE(sc, WPI_FH_INT, 0xffffffff); 5213173362Sbenjsc 5214278366Sadrian /* Make sure we no longer hold the NIC lock. */ 5215278366Sadrian wpi_nic_unlock(sc); 5216173362Sbenjsc 5217278366Sadrian if (wpi_nic_lock(sc) == 0) { 5218278366Sadrian /* Stop TX scheduler. */ 5219278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 0); 5220278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0); 5221179957Sthompsa 5222278366Sadrian /* Stop all DMA channels. */ 5223278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 5224278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0); 5225278366Sadrian for (ntries = 0; ntries < 200; ntries++) { 5226278366Sadrian if (WPI_READ(sc, WPI_FH_TX_STATUS) & 5227278366Sadrian WPI_FH_TX_STATUS_IDLE(chnl)) 5228278366Sadrian break; 5229278366Sadrian DELAY(10); 5230278366Sadrian } 5231173362Sbenjsc } 5232278366Sadrian wpi_nic_unlock(sc); 5233278366Sadrian } 5234173362Sbenjsc 5235278366Sadrian /* Stop RX ring. */ 5236278366Sadrian wpi_reset_rx_ring(sc); 5237173362Sbenjsc 5238278366Sadrian /* Reset all TX rings. */ 5239278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 5240278366Sadrian wpi_reset_tx_ring(sc, &sc->txq[qid]); 5241173362Sbenjsc 5242278366Sadrian if (wpi_nic_lock(sc) == 0) { 5243278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 5244278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT); 5245278366Sadrian wpi_nic_unlock(sc); 5246173362Sbenjsc } 5247278366Sadrian DELAY(5); 5248278366Sadrian /* Power OFF adapter. */ 5249278366Sadrian wpi_apm_stop(sc); 5250173362Sbenjsc} 5251173362Sbenjsc 5252173362Sbenjscstatic void 5253278366Sadrianwpi_radio_on(void *arg0, int pending) 5254173362Sbenjsc{ 5255278366Sadrian struct wpi_softc *sc = arg0; 5256278366Sadrian struct ifnet *ifp = sc->sc_ifp; 5257278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 5258278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5259173362Sbenjsc 5260278366Sadrian device_printf(sc->sc_dev, "RF switch: radio enabled\n"); 5261173362Sbenjsc 5262278366Sadrian if (vap != NULL) { 5263278366Sadrian wpi_init(sc); 5264278366Sadrian ieee80211_init(vap); 5265278366Sadrian } 5266173362Sbenjsc 5267278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL) { 5268278366Sadrian WPI_LOCK(sc); 5269278366Sadrian callout_stop(&sc->watchdog_rfkill); 5270278366Sadrian WPI_UNLOCK(sc); 5271173362Sbenjsc } 5272173362Sbenjsc} 5273173362Sbenjsc 5274278366Sadrianstatic void 5275278366Sadrianwpi_radio_off(void *arg0, int pending) 5276173362Sbenjsc{ 5277278366Sadrian struct wpi_softc *sc = arg0; 5278178354Ssam struct ifnet *ifp = sc->sc_ifp; 5279178354Ssam struct ieee80211com *ic = ifp->if_l2com; 5280278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5281173362Sbenjsc 5282278366Sadrian device_printf(sc->sc_dev, "RF switch: radio disabled\n"); 5283173362Sbenjsc 5284278366Sadrian wpi_stop(sc); 5285278366Sadrian if (vap != NULL) 5286278366Sadrian ieee80211_stop(vap); 5287173362Sbenjsc 5288280053Sadrian WPI_LOCK(sc); 5289278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, sc); 5290280053Sadrian WPI_UNLOCK(sc); 5291278366Sadrian} 5292173362Sbenjsc 5293278366Sadrianstatic void 5294280096Sadrianwpi_init(void *arg) 5295278366Sadrian{ 5296280096Sadrian struct wpi_softc *sc = arg; 5297278366Sadrian struct ifnet *ifp = sc->sc_ifp; 5298280096Sadrian struct ieee80211com *ic = ifp->if_l2com; 5299278366Sadrian int error; 5300173362Sbenjsc 5301280096Sadrian WPI_LOCK(sc); 5302280096Sadrian 5303278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 5304173362Sbenjsc 5305280096Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) 5306280096Sadrian goto end; 5307278366Sadrian 5308278366Sadrian /* Check that the radio is not disabled by hardware switch. */ 5309278366Sadrian if (!(WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL)) { 5310278366Sadrian device_printf(sc->sc_dev, 5311278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 5312278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 5313278366Sadrian sc); 5314280096Sadrian goto end; 5315173362Sbenjsc } 5316173362Sbenjsc 5317278366Sadrian /* Read firmware images from the filesystem. */ 5318278366Sadrian if ((error = wpi_read_firmware(sc)) != 0) { 5319278366Sadrian device_printf(sc->sc_dev, 5320278366Sadrian "%s: could not read firmware, error %d\n", __func__, 5321278366Sadrian error); 5322278366Sadrian goto fail; 5323278366Sadrian } 5324173362Sbenjsc 5325278366Sadrian /* Initialize hardware and upload firmware. */ 5326278366Sadrian error = wpi_hw_init(sc); 5327278366Sadrian wpi_unload_firmware(sc); 5328278366Sadrian if (error != 0) { 5329278366Sadrian device_printf(sc->sc_dev, 5330278366Sadrian "%s: could not initialize hardware, error %d\n", __func__, 5331278366Sadrian error); 5332278366Sadrian goto fail; 5333278366Sadrian } 5334173362Sbenjsc 5335278366Sadrian /* Configure adapter now that it is ready. */ 5336280071Sadrian sc->txq_active = 1; 5337278366Sadrian if ((error = wpi_config(sc)) != 0) { 5338278366Sadrian device_printf(sc->sc_dev, 5339278366Sadrian "%s: could not configure device, error %d\n", __func__, 5340278366Sadrian error); 5341278366Sadrian goto fail; 5342278366Sadrian } 5343173362Sbenjsc 5344280097Sadrian IF_LOCK(&ifp->if_snd); 5345278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 5346278366Sadrian ifp->if_drv_flags |= IFF_DRV_RUNNING; 5347280097Sadrian IF_UNLOCK(&ifp->if_snd); 5348173362Sbenjsc 5349278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 5350173362Sbenjsc 5351280096Sadrian WPI_UNLOCK(sc); 5352280096Sadrian 5353280096Sadrian ieee80211_start_all(ic); 5354280096Sadrian 5355278366Sadrian return; 5356173362Sbenjsc 5357278366Sadrianfail: wpi_stop_locked(sc); 5358280096Sadrianend: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 5359278366Sadrian WPI_UNLOCK(sc); 5360278366Sadrian} 5361173362Sbenjsc 5362278366Sadrianstatic void 5363278366Sadrianwpi_stop_locked(struct wpi_softc *sc) 5364278366Sadrian{ 5365278366Sadrian struct ifnet *ifp = sc->sc_ifp; 5366173362Sbenjsc 5367278366Sadrian WPI_LOCK_ASSERT(sc); 5368278366Sadrian 5369280071Sadrian WPI_TXQ_LOCK(sc); 5370280071Sadrian sc->txq_active = 0; 5371280071Sadrian WPI_TXQ_UNLOCK(sc); 5372280071Sadrian 5373280112Sadrian WPI_TXQ_STATE_LOCK(sc); 5374280109Sadrian callout_stop(&sc->tx_timeout); 5375280112Sadrian WPI_TXQ_STATE_UNLOCK(sc); 5376280108Sadrian 5377280108Sadrian WPI_RXON_LOCK(sc); 5378280106Sadrian callout_stop(&sc->scan_timeout); 5379278366Sadrian callout_stop(&sc->calib_to); 5380280108Sadrian WPI_RXON_UNLOCK(sc); 5381280097Sadrian 5382280097Sadrian IF_LOCK(&ifp->if_snd); 5383278366Sadrian ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 5384280097Sadrian IF_UNLOCK(&ifp->if_snd); 5385278366Sadrian 5386278366Sadrian /* Power OFF hardware. */ 5387278366Sadrian wpi_hw_stop(sc); 5388173362Sbenjsc} 5389173362Sbenjsc 5390278366Sadrianstatic void 5391278366Sadrianwpi_stop(struct wpi_softc *sc) 5392278366Sadrian{ 5393278366Sadrian WPI_LOCK(sc); 5394278366Sadrian wpi_stop_locked(sc); 5395278366Sadrian WPI_UNLOCK(sc); 5396278366Sadrian} 5397278366Sadrian 5398278366Sadrian/* 5399278366Sadrian * Callback from net80211 to start a scan. 5400173362Sbenjsc */ 5401173362Sbenjscstatic void 5402173362Sbenjscwpi_scan_start(struct ieee80211com *ic) 5403173362Sbenjsc{ 5404280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 5405173362Sbenjsc 5406191746Sthompsa wpi_set_led(sc, WPI_LED_LINK, 20, 2); 5407173362Sbenjsc} 5408173362Sbenjsc 5409278366Sadrian/* 5410278366Sadrian * Callback from net80211 to terminate a scan. 5411173362Sbenjsc */ 5412173362Sbenjscstatic void 5413173362Sbenjscwpi_scan_end(struct ieee80211com *ic) 5414173362Sbenjsc{ 5415278366Sadrian struct ifnet *ifp = ic->ic_ifp; 5416278366Sadrian struct wpi_softc *sc = ifp->if_softc; 5417278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5418278366Sadrian 5419280073Sadrian if (vap->iv_state == IEEE80211_S_RUN) 5420278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 5421173362Sbenjsc} 5422173362Sbenjsc 5423173362Sbenjsc/** 5424173362Sbenjsc * Called by the net80211 framework to indicate to the driver 5425173362Sbenjsc * that the channel should be changed 5426173362Sbenjsc */ 5427173362Sbenjscstatic void 5428173362Sbenjscwpi_set_channel(struct ieee80211com *ic) 5429173362Sbenjsc{ 5430278366Sadrian const struct ieee80211_channel *c = ic->ic_curchan; 5431173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 5432173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 5433191746Sthompsa int error; 5434173362Sbenjsc 5435278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5436278366Sadrian 5437278366Sadrian WPI_LOCK(sc); 5438278366Sadrian sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq); 5439278366Sadrian sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags); 5440280113Sadrian WPI_UNLOCK(sc); 5441280113Sadrian WPI_TX_LOCK(sc); 5442278366Sadrian sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq); 5443278366Sadrian sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags); 5444280113Sadrian WPI_TX_UNLOCK(sc); 5445278366Sadrian 5446177043Sthompsa /* 5447177043Sthompsa * Only need to set the channel in Monitor mode. AP scanning and auth 5448177043Sthompsa * are already taken care of by their respective firmware commands. 5449177043Sthompsa */ 5450191746Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 5451280108Sadrian WPI_RXON_LOCK(sc); 5452278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 5453278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) { 5454278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | 5455278366Sadrian WPI_RXON_24GHZ); 5456278366Sadrian } else { 5457278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_AUTO | 5458278366Sadrian WPI_RXON_24GHZ); 5459278366Sadrian } 5460280108Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) 5461191746Sthompsa device_printf(sc->sc_dev, 5462280101Sadrian "%s: error %d setting channel\n", __func__, 5463278366Sadrian error); 5464280108Sadrian WPI_RXON_UNLOCK(sc); 5465191746Sthompsa } 5466173362Sbenjsc} 5467173362Sbenjsc 5468173362Sbenjsc/** 5469173362Sbenjsc * Called by net80211 to indicate that we need to scan the current 5470173362Sbenjsc * channel. The channel is previously be set via the wpi_set_channel 5471173362Sbenjsc * callback. 5472173362Sbenjsc */ 5473173362Sbenjscstatic void 5474178354Ssamwpi_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 5475173362Sbenjsc{ 5476178354Ssam struct ieee80211vap *vap = ss->ss_vap; 5477278366Sadrian struct ieee80211com *ic = vap->iv_ic; 5478280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 5479278366Sadrian int error; 5480173362Sbenjsc 5481280108Sadrian WPI_RXON_LOCK(sc); 5482282376Sadrian error = wpi_scan(sc, ic->ic_curchan); 5483282376Sadrian WPI_RXON_UNLOCK(sc); 5484282376Sadrian if (error != 0) 5485282376Sadrian ieee80211_cancel_scan(vap); 5486173362Sbenjsc} 5487173362Sbenjsc 5488173362Sbenjsc/** 5489173362Sbenjsc * Called by the net80211 framework to indicate 5490173362Sbenjsc * the minimum dwell time has been met, terminate the scan. 5491173362Sbenjsc * We don't actually terminate the scan as the firmware will notify 5492173362Sbenjsc * us when it's finished and we have no way to interrupt it. 5493173362Sbenjsc */ 5494173362Sbenjscstatic void 5495178354Ssamwpi_scan_mindwell(struct ieee80211_scan_state *ss) 5496173362Sbenjsc{ 5497173362Sbenjsc /* NB: don't try to abort scan; wait for firmware to finish */ 5498173362Sbenjsc} 5499173362Sbenjsc 5500173362Sbenjscstatic void 5501278366Sadrianwpi_hw_reset(void *arg, int pending) 5502173362Sbenjsc{ 5503191746Sthompsa struct wpi_softc *sc = arg; 5504177043Sthompsa struct ifnet *ifp = sc->sc_ifp; 5505191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 5506278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5507173362Sbenjsc 5508278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5509173362Sbenjsc 5510280106Sadrian if (vap != NULL && (ic->ic_flags & IEEE80211_F_SCAN)) 5511280106Sadrian ieee80211_cancel_scan(vap); 5512280106Sadrian 5513278366Sadrian wpi_stop(sc); 5514278366Sadrian if (vap != NULL) 5515278366Sadrian ieee80211_stop(vap); 5516278366Sadrian wpi_init(sc); 5517278366Sadrian if (vap != NULL) 5518278366Sadrian ieee80211_init(vap); 5519173362Sbenjsc} 5520