if_wpi.c revision 288095
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 288095 2015-09-22 06:34:07Z 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 *); 155282400Sadrianstatic void wpi_update_rx_ring_ps(struct wpi_softc *); 156278366Sadrianstatic void wpi_reset_rx_ring(struct wpi_softc *); 157278366Sadrianstatic void wpi_free_rx_ring(struct wpi_softc *); 158173362Sbenjscstatic int wpi_alloc_tx_ring(struct wpi_softc *, struct wpi_tx_ring *, 159278366Sadrian int); 160278366Sadrianstatic void wpi_update_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 161282400Sadrianstatic void wpi_update_tx_ring_ps(struct wpi_softc *, 162282400Sadrian struct wpi_tx_ring *); 163173362Sbenjscstatic void wpi_reset_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 164173362Sbenjscstatic void wpi_free_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 165278366Sadrianstatic int wpi_read_eeprom(struct wpi_softc *, 166278366Sadrian uint8_t macaddr[IEEE80211_ADDR_LEN]); 167278366Sadrianstatic uint32_t wpi_eeprom_channel_flags(struct wpi_eeprom_chan *); 168278366Sadrianstatic void wpi_read_eeprom_band(struct wpi_softc *, int); 169278366Sadrianstatic int wpi_read_eeprom_channels(struct wpi_softc *, int); 170278366Sadrianstatic struct wpi_eeprom_chan *wpi_find_eeprom_channel(struct wpi_softc *, 171278366Sadrian struct ieee80211_channel *); 172278366Sadrianstatic int wpi_setregdomain(struct ieee80211com *, 173278366Sadrian struct ieee80211_regdomain *, int, 174278366Sadrian struct ieee80211_channel[]); 175278366Sadrianstatic int wpi_read_eeprom_group(struct wpi_softc *, int); 176280069Sadrianstatic int wpi_add_node_entry_adhoc(struct wpi_softc *); 177278366Sadrianstatic struct ieee80211_node *wpi_node_alloc(struct ieee80211vap *, 178278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 179282401Sadrianstatic void wpi_node_free(struct ieee80211_node *); 180283536Sadrianstatic void wpi_recv_mgmt(struct ieee80211_node *, struct mbuf *, int, 181283536Sadrian const struct ieee80211_rx_stats *, 182283536Sadrian int, int); 183282401Sadrianstatic void wpi_restore_node(void *, struct ieee80211_node *); 184282401Sadrianstatic void wpi_restore_node_table(struct wpi_softc *, struct wpi_vap *); 185178354Ssamstatic int wpi_newstate(struct ieee80211vap *, enum ieee80211_state, int); 186278366Sadrianstatic void wpi_calib_timeout(void *); 187278366Sadrianstatic void wpi_rx_done(struct wpi_softc *, struct wpi_rx_desc *, 188173362Sbenjsc struct wpi_rx_data *); 189278366Sadrianstatic void wpi_rx_statistics(struct wpi_softc *, struct wpi_rx_desc *, 190278366Sadrian struct wpi_rx_data *); 191278366Sadrianstatic void wpi_tx_done(struct wpi_softc *, struct wpi_rx_desc *); 192278366Sadrianstatic void wpi_cmd_done(struct wpi_softc *, struct wpi_rx_desc *); 193173362Sbenjscstatic void wpi_notif_intr(struct wpi_softc *); 194278366Sadrianstatic void wpi_wakeup_intr(struct wpi_softc *); 195280093Sadrian#ifdef WPI_DEBUG 196280093Sadrianstatic void wpi_debug_registers(struct wpi_softc *); 197280093Sadrian#endif 198278366Sadrianstatic void wpi_fatal_intr(struct wpi_softc *); 199173362Sbenjscstatic void wpi_intr(void *); 200278366Sadrianstatic int wpi_cmd2(struct wpi_softc *, struct wpi_buf *); 201173362Sbenjscstatic int wpi_tx_data(struct wpi_softc *, struct mbuf *, 202278366Sadrian struct ieee80211_node *); 203278366Sadrianstatic int wpi_tx_data_raw(struct wpi_softc *, struct mbuf *, 204278366Sadrian struct ieee80211_node *, 205278366Sadrian const struct ieee80211_bpf_params *); 206278366Sadrianstatic int wpi_raw_xmit(struct ieee80211_node *, struct mbuf *, 207278366Sadrian const struct ieee80211_bpf_params *); 208287197Sglebiusstatic int wpi_transmit(struct ieee80211com *, struct mbuf *); 209287197Sglebiusstatic void wpi_start(void *, int); 210278366Sadrianstatic void wpi_watchdog_rfkill(void *); 211280106Sadrianstatic void wpi_scan_timeout(void *); 212280109Sadrianstatic void wpi_tx_timeout(void *); 213287197Sglebiusstatic void wpi_parent(struct ieee80211com *); 214278366Sadrianstatic int wpi_cmd(struct wpi_softc *, int, const void *, size_t, int); 215173362Sbenjscstatic int wpi_mrr_setup(struct wpi_softc *); 216278366Sadrianstatic int wpi_add_node(struct wpi_softc *, struct ieee80211_node *); 217278366Sadrianstatic int wpi_add_broadcast_node(struct wpi_softc *, int); 218278366Sadrianstatic int wpi_add_ibss_node(struct wpi_softc *, struct ieee80211_node *); 219278366Sadrianstatic void wpi_del_node(struct wpi_softc *, struct ieee80211_node *); 220278366Sadrianstatic int wpi_updateedca(struct ieee80211com *); 221278366Sadrianstatic void wpi_set_promisc(struct wpi_softc *); 222283540Sglebiusstatic void wpi_update_promisc(struct ieee80211com *); 223283540Sglebiusstatic void wpi_update_mcast(struct ieee80211com *); 224173362Sbenjscstatic void wpi_set_led(struct wpi_softc *, uint8_t, uint8_t, uint8_t); 225278366Sadrianstatic int wpi_set_timing(struct wpi_softc *, struct ieee80211_node *); 226278366Sadrianstatic void wpi_power_calibration(struct wpi_softc *); 227278366Sadrianstatic int wpi_set_txpower(struct wpi_softc *, int); 228278366Sadrianstatic int wpi_get_power_index(struct wpi_softc *, 229281287Sadrian struct wpi_power_group *, uint8_t, int, int); 230278366Sadrianstatic int wpi_set_pslevel(struct wpi_softc *, uint8_t, int, int); 231278366Sadrianstatic int wpi_send_btcoex(struct wpi_softc *); 232278366Sadrianstatic int wpi_send_rxon(struct wpi_softc *, int, int); 233278366Sadrianstatic int wpi_config(struct wpi_softc *); 234278366Sadrianstatic uint16_t wpi_get_active_dwell_time(struct wpi_softc *, 235278366Sadrian struct ieee80211_channel *, uint8_t); 236278366Sadrianstatic uint16_t wpi_limit_dwell(struct wpi_softc *, uint16_t); 237278366Sadrianstatic uint16_t wpi_get_passive_dwell_time(struct wpi_softc *, 238278366Sadrian struct ieee80211_channel *); 239282383Sadrianstatic uint32_t wpi_get_scan_pause_time(uint32_t, uint16_t); 240278366Sadrianstatic int wpi_scan(struct wpi_softc *, struct ieee80211_channel *); 241278366Sadrianstatic int wpi_auth(struct wpi_softc *, struct ieee80211vap *); 242280084Sadrianstatic int wpi_config_beacon(struct wpi_vap *); 243280084Sadrianstatic int wpi_setup_beacon(struct wpi_softc *, struct ieee80211_node *); 244278366Sadrianstatic void wpi_update_beacon(struct ieee80211vap *, int); 245280079Sadrianstatic void wpi_newassoc(struct ieee80211_node *, int); 246178354Ssamstatic int wpi_run(struct wpi_softc *, struct ieee80211vap *); 247280088Sadrianstatic int wpi_load_key(struct ieee80211_node *, 248280088Sadrian const struct ieee80211_key *); 249280088Sadrianstatic void wpi_load_key_cb(void *, struct ieee80211_node *); 250280088Sadrianstatic int wpi_set_global_keys(struct ieee80211_node *); 251280088Sadrianstatic int wpi_del_key(struct ieee80211_node *, 252280088Sadrian const struct ieee80211_key *); 253280088Sadrianstatic void wpi_del_key_cb(void *, struct ieee80211_node *); 254280088Sadrianstatic int wpi_process_key(struct ieee80211vap *, 255280088Sadrian const struct ieee80211_key *, int); 256278366Sadrianstatic int wpi_key_set(struct ieee80211vap *, 257278366Sadrian const struct ieee80211_key *, 258278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 259278366Sadrianstatic int wpi_key_delete(struct ieee80211vap *, 260278366Sadrian const struct ieee80211_key *); 261278366Sadrianstatic int wpi_post_alive(struct wpi_softc *); 262278366Sadrianstatic int wpi_load_bootcode(struct wpi_softc *, const uint8_t *, int); 263278366Sadrianstatic int wpi_load_firmware(struct wpi_softc *); 264278366Sadrianstatic int wpi_read_firmware(struct wpi_softc *); 265278366Sadrianstatic void wpi_unload_firmware(struct wpi_softc *); 266278366Sadrianstatic int wpi_clock_wait(struct wpi_softc *); 267278366Sadrianstatic int wpi_apm_init(struct wpi_softc *); 268278366Sadrianstatic void wpi_apm_stop_master(struct wpi_softc *); 269278366Sadrianstatic void wpi_apm_stop(struct wpi_softc *); 270278366Sadrianstatic void wpi_nic_config(struct wpi_softc *); 271278366Sadrianstatic int wpi_hw_init(struct wpi_softc *); 272278366Sadrianstatic void wpi_hw_stop(struct wpi_softc *); 273278366Sadrianstatic void wpi_radio_on(void *, int); 274278366Sadrianstatic void wpi_radio_off(void *, int); 275287197Sglebiusstatic int wpi_init(struct wpi_softc *); 276278366Sadrianstatic void wpi_stop_locked(struct wpi_softc *); 277173362Sbenjscstatic void wpi_stop(struct wpi_softc *); 278278366Sadrianstatic void wpi_scan_start(struct ieee80211com *); 279278366Sadrianstatic void wpi_scan_end(struct ieee80211com *); 280278366Sadrianstatic void wpi_set_channel(struct ieee80211com *); 281278366Sadrianstatic void wpi_scan_curchan(struct ieee80211_scan_state *, unsigned long); 282278366Sadrianstatic void wpi_scan_mindwell(struct ieee80211_scan_state *); 283278366Sadrianstatic void wpi_hw_reset(void *, int); 284173362Sbenjsc 285173362Sbenjscstatic device_method_t wpi_methods[] = { 286173362Sbenjsc /* Device interface */ 287173362Sbenjsc DEVMETHOD(device_probe, wpi_probe), 288173362Sbenjsc DEVMETHOD(device_attach, wpi_attach), 289173362Sbenjsc DEVMETHOD(device_detach, wpi_detach), 290173362Sbenjsc DEVMETHOD(device_shutdown, wpi_shutdown), 291173362Sbenjsc DEVMETHOD(device_suspend, wpi_suspend), 292173362Sbenjsc DEVMETHOD(device_resume, wpi_resume), 293173362Sbenjsc 294260064Smarius DEVMETHOD_END 295173362Sbenjsc}; 296173362Sbenjsc 297173362Sbenjscstatic driver_t wpi_driver = { 298173362Sbenjsc "wpi", 299173362Sbenjsc wpi_methods, 300173362Sbenjsc sizeof (struct wpi_softc) 301173362Sbenjsc}; 302173362Sbenjscstatic devclass_t wpi_devclass; 303173362Sbenjsc 304260064SmariusDRIVER_MODULE(wpi, pci, wpi_driver, wpi_devclass, NULL, NULL); 305173362Sbenjsc 306222543SbschmidtMODULE_VERSION(wpi, 1); 307222543Sbschmidt 308278366SadrianMODULE_DEPEND(wpi, pci, 1, 1, 1); 309278366SadrianMODULE_DEPEND(wpi, wlan, 1, 1, 1); 310278366SadrianMODULE_DEPEND(wpi, firmware, 1, 1, 1); 311260064Smarius 312173362Sbenjscstatic int 313173362Sbenjscwpi_probe(device_t dev) 314173362Sbenjsc{ 315173362Sbenjsc const struct wpi_ident *ident; 316173362Sbenjsc 317173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 318173362Sbenjsc if (pci_get_vendor(dev) == ident->vendor && 319173362Sbenjsc pci_get_device(dev) == ident->device) { 320173362Sbenjsc device_set_desc(dev, ident->name); 321260064Smarius return (BUS_PROBE_DEFAULT); 322173362Sbenjsc } 323173362Sbenjsc } 324173362Sbenjsc return ENXIO; 325173362Sbenjsc} 326173362Sbenjsc 327173362Sbenjscstatic int 328173362Sbenjscwpi_attach(device_t dev) 329173362Sbenjsc{ 330278366Sadrian struct wpi_softc *sc = (struct wpi_softc *)device_get_softc(dev); 331278366Sadrian struct ieee80211com *ic; 332280061Sadrian int i, error, rid; 333280061Sadrian#ifdef WPI_DEBUG 334280061Sadrian int supportsa = 1; 335173362Sbenjsc const struct wpi_ident *ident; 336280061Sadrian#endif 337173362Sbenjsc 338173362Sbenjsc sc->sc_dev = dev; 339173362Sbenjsc 340280059Sadrian#ifdef WPI_DEBUG 341278366Sadrian error = resource_int_value(device_get_name(sc->sc_dev), 342278366Sadrian device_get_unit(sc->sc_dev), "debug", &(sc->sc_debug)); 343278366Sadrian if (error != 0) 344278366Sadrian sc->sc_debug = 0; 345278366Sadrian#else 346278366Sadrian sc->sc_debug = 0; 347278366Sadrian#endif 348173362Sbenjsc 349278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 350278366Sadrian 351173362Sbenjsc /* 352278366Sadrian * Get the offset of the PCI Express Capability Structure in PCI 353278366Sadrian * Configuration Space. 354278366Sadrian */ 355278366Sadrian error = pci_find_cap(dev, PCIY_EXPRESS, &sc->sc_cap_off); 356278366Sadrian if (error != 0) { 357278366Sadrian device_printf(dev, "PCIe capability structure not found!\n"); 358278366Sadrian return error; 359278366Sadrian } 360278366Sadrian 361278366Sadrian /* 362173362Sbenjsc * Some card's only support 802.11b/g not a, check to see if 363173362Sbenjsc * this is one such card. A 0x0 in the subdevice table indicates 364173362Sbenjsc * the entire subdevice range is to be ignored. 365173362Sbenjsc */ 366280061Sadrian#ifdef WPI_DEBUG 367173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 368173362Sbenjsc if (ident->subdevice && 369173362Sbenjsc pci_get_subdevice(dev) == ident->subdevice) { 370173362Sbenjsc supportsa = 0; 371173362Sbenjsc break; 372173362Sbenjsc } 373173362Sbenjsc } 374280061Sadrian#endif 375173362Sbenjsc 376278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 377173362Sbenjsc pci_write_config(dev, 0x41, 0, 1); 378173362Sbenjsc 379278366Sadrian /* Enable bus-mastering. */ 380173362Sbenjsc pci_enable_busmaster(dev); 381173362Sbenjsc 382260064Smarius rid = PCIR_BAR(0); 383260064Smarius sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 384173362Sbenjsc RF_ACTIVE); 385173362Sbenjsc if (sc->mem == NULL) { 386278366Sadrian device_printf(dev, "can't map mem space\n"); 387280091Sadrian return ENOMEM; 388173362Sbenjsc } 389173362Sbenjsc sc->sc_st = rman_get_bustag(sc->mem); 390173362Sbenjsc sc->sc_sh = rman_get_bushandle(sc->mem); 391173362Sbenjsc 392278366Sadrian i = 1; 393260064Smarius rid = 0; 394278366Sadrian if (pci_alloc_msi(dev, &i) == 0) 395278366Sadrian rid = 1; 396278366Sadrian /* Install interrupt handler. */ 397278366Sadrian sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | 398278366Sadrian (rid != 0 ? 0 : RF_SHAREABLE)); 399173362Sbenjsc if (sc->irq == NULL) { 400278366Sadrian device_printf(dev, "can't map interrupt\n"); 401173362Sbenjsc error = ENOMEM; 402173362Sbenjsc goto fail; 403173362Sbenjsc } 404173362Sbenjsc 405278366Sadrian WPI_LOCK_INIT(sc); 406280113Sadrian WPI_TX_LOCK_INIT(sc); 407280108Sadrian WPI_RXON_LOCK_INIT(sc); 408280077Sadrian WPI_NT_LOCK_INIT(sc); 409280071Sadrian WPI_TXQ_LOCK_INIT(sc); 410280112Sadrian WPI_TXQ_STATE_LOCK_INIT(sc); 411278366Sadrian 412278366Sadrian /* Allocate DMA memory for firmware transfers. */ 413173362Sbenjsc if ((error = wpi_alloc_fwmem(sc)) != 0) { 414278366Sadrian device_printf(dev, 415278366Sadrian "could not allocate memory for firmware, error %d\n", 416278366Sadrian error); 417173362Sbenjsc goto fail; 418173362Sbenjsc } 419173362Sbenjsc 420278366Sadrian /* Allocate shared page. */ 421173362Sbenjsc if ((error = wpi_alloc_shared(sc)) != 0) { 422173362Sbenjsc device_printf(dev, "could not allocate shared page\n"); 423173362Sbenjsc goto fail; 424173362Sbenjsc } 425173362Sbenjsc 426278366Sadrian /* Allocate TX rings - 4 for QoS purposes, 1 for commands. */ 427278366Sadrian for (i = 0; i < WPI_NTXQUEUES; i++) { 428278366Sadrian if ((error = wpi_alloc_tx_ring(sc, &sc->txq[i], i)) != 0) { 429278366Sadrian device_printf(dev, 430278366Sadrian "could not allocate TX ring %d, error %d\n", i, 431278366Sadrian error); 432278366Sadrian goto fail; 433173362Sbenjsc } 434173362Sbenjsc } 435173362Sbenjsc 436278366Sadrian /* Allocate RX ring. */ 437278366Sadrian if ((error = wpi_alloc_rx_ring(sc)) != 0) { 438278366Sadrian device_printf(dev, "could not allocate RX ring, error %d\n", 439278366Sadrian error); 440173362Sbenjsc goto fail; 441173362Sbenjsc } 442173362Sbenjsc 443278366Sadrian /* Clear pending interrupts. */ 444278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 445173362Sbenjsc 446287197Sglebius ic = &sc->sc_ic; 447283537Sglebius ic->ic_softc = sc; 448283527Sglebius ic->ic_name = device_get_nameunit(dev); 449178354Ssam ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 450178354Ssam ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 451173362Sbenjsc 452278366Sadrian /* Set device capabilities. */ 453173362Sbenjsc ic->ic_caps = 454178957Ssam IEEE80211_C_STA /* station mode supported */ 455278366Sadrian | IEEE80211_C_IBSS /* IBSS mode supported */ 456280105Sadrian | IEEE80211_C_HOSTAP /* Host access point mode */ 457178957Ssam | IEEE80211_C_MONITOR /* monitor mode supported */ 458278366Sadrian | IEEE80211_C_AHDEMO /* adhoc demo mode */ 459278366Sadrian | IEEE80211_C_BGSCAN /* capable of bg scanning */ 460173362Sbenjsc | IEEE80211_C_TXPMGT /* tx power management */ 461173362Sbenjsc | IEEE80211_C_SHSLOT /* short slot time supported */ 462278366Sadrian | IEEE80211_C_WPA /* 802.11i */ 463173362Sbenjsc | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 464278366Sadrian | IEEE80211_C_WME /* 802.11e */ 465278366Sadrian | IEEE80211_C_PMGT /* Station-side power mgmt */ 466173362Sbenjsc ; 467173362Sbenjsc 468278366Sadrian ic->ic_cryptocaps = 469278366Sadrian IEEE80211_CRYPTO_AES_CCM; 470278366Sadrian 471173362Sbenjsc /* 472173362Sbenjsc * Read in the eeprom and also setup the channels for 473173362Sbenjsc * net80211. We don't set the rates as net80211 does this for us 474173362Sbenjsc */ 475287197Sglebius if ((error = wpi_read_eeprom(sc, ic->ic_macaddr)) != 0) { 476278366Sadrian device_printf(dev, "could not read EEPROM, error %d\n", 477278366Sadrian error); 478278366Sadrian goto fail; 479280059Sadrian } 480173362Sbenjsc 481280059Sadrian#ifdef WPI_DEBUG 482278366Sadrian if (bootverbose) { 483280059Sadrian device_printf(sc->sc_dev, "Regulatory Domain: %.4s\n", 484280059Sadrian sc->domain); 485280059Sadrian device_printf(sc->sc_dev, "Hardware Type: %c\n", 486280059Sadrian sc->type > 1 ? 'B': '?'); 487280059Sadrian device_printf(sc->sc_dev, "Hardware Revision: %c\n", 488280076Sadrian ((sc->rev & 0xf0) == 0xd0) ? 'D': '?'); 489280059Sadrian device_printf(sc->sc_dev, "SKU %s support 802.11a\n", 490280059Sadrian supportsa ? "does" : "does not"); 491173362Sbenjsc 492280059Sadrian /* XXX hw_config uses the PCIDEV for the Hardware rev. Must 493280059Sadrian check what sc->rev really represents - benjsc 20070615 */ 494173362Sbenjsc } 495278366Sadrian#endif 496173362Sbenjsc 497287197Sglebius ieee80211_ifattach(ic); 498278366Sadrian ic->ic_vap_create = wpi_vap_create; 499278366Sadrian ic->ic_vap_delete = wpi_vap_delete; 500287197Sglebius ic->ic_parent = wpi_parent; 501178354Ssam ic->ic_raw_xmit = wpi_raw_xmit; 502287197Sglebius ic->ic_transmit = wpi_transmit; 503278366Sadrian ic->ic_node_alloc = wpi_node_alloc; 504278366Sadrian sc->sc_node_free = ic->ic_node_free; 505278366Sadrian ic->ic_node_free = wpi_node_free; 506278366Sadrian ic->ic_wme.wme_update = wpi_updateedca; 507278366Sadrian ic->ic_update_promisc = wpi_update_promisc; 508278366Sadrian ic->ic_update_mcast = wpi_update_mcast; 509280079Sadrian ic->ic_newassoc = wpi_newassoc; 510173362Sbenjsc ic->ic_scan_start = wpi_scan_start; 511173362Sbenjsc ic->ic_scan_end = wpi_scan_end; 512173362Sbenjsc ic->ic_set_channel = wpi_set_channel; 513173362Sbenjsc ic->ic_scan_curchan = wpi_scan_curchan; 514173362Sbenjsc ic->ic_scan_mindwell = wpi_scan_mindwell; 515278366Sadrian ic->ic_setregdomain = wpi_setregdomain; 516173362Sbenjsc 517282400Sadrian sc->sc_update_rx_ring = wpi_update_rx_ring; 518282400Sadrian sc->sc_update_tx_ring = wpi_update_tx_ring; 519282400Sadrian 520278366Sadrian wpi_radiotap_attach(sc); 521173362Sbenjsc 522280108Sadrian callout_init_mtx(&sc->calib_to, &sc->rxon_mtx, 0); 523280108Sadrian callout_init_mtx(&sc->scan_timeout, &sc->rxon_mtx, 0); 524280112Sadrian callout_init_mtx(&sc->tx_timeout, &sc->txq_state_mtx, 0); 525278366Sadrian callout_init_mtx(&sc->watchdog_rfkill, &sc->sc_mtx, 0); 526278366Sadrian TASK_INIT(&sc->sc_reinittask, 0, wpi_hw_reset, sc); 527278366Sadrian TASK_INIT(&sc->sc_radiooff_task, 0, wpi_radio_off, sc); 528278366Sadrian TASK_INIT(&sc->sc_radioon_task, 0, wpi_radio_on, sc); 529287197Sglebius TASK_INIT(&sc->sc_start_task, 0, wpi_start, sc); 530173362Sbenjsc 531280120Sadrian sc->sc_tq = taskqueue_create("wpi_taskq", M_WAITOK, 532280120Sadrian taskqueue_thread_enqueue, &sc->sc_tq); 533280120Sadrian error = taskqueue_start_threads(&sc->sc_tq, 1, 0, "wpi_taskq"); 534280120Sadrian if (error != 0) { 535280120Sadrian device_printf(dev, "can't start threads, error %d\n", error); 536280120Sadrian goto fail; 537280120Sadrian } 538280120Sadrian 539278366Sadrian wpi_sysctlattach(sc); 540278366Sadrian 541173362Sbenjsc /* 542173362Sbenjsc * Hook our interrupt after all initialization is complete. 543173362Sbenjsc */ 544278366Sadrian error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 545177043Sthompsa NULL, wpi_intr, sc, &sc->sc_ih); 546173362Sbenjsc if (error != 0) { 547278366Sadrian device_printf(dev, "can't establish interrupt, error %d\n", 548278366Sadrian error); 549173362Sbenjsc goto fail; 550173362Sbenjsc } 551173362Sbenjsc 552177043Sthompsa if (bootverbose) 553177043Sthompsa ieee80211_announce(ic); 554278366Sadrian 555278366Sadrian#ifdef WPI_DEBUG 556278366Sadrian if (sc->sc_debug & WPI_DEBUG_HW) 557278366Sadrian ieee80211_announce_channels(ic); 558173362Sbenjsc#endif 559278366Sadrian 560278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 561173362Sbenjsc return 0; 562173362Sbenjsc 563173362Sbenjscfail: wpi_detach(dev); 564278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 565278366Sadrian return error; 566173362Sbenjsc} 567173362Sbenjsc 568278366Sadrian/* 569278366Sadrian * Attach the interface to 802.11 radiotap. 570278366Sadrian */ 571278366Sadrianstatic void 572278366Sadrianwpi_radiotap_attach(struct wpi_softc *sc) 573278366Sadrian{ 574287197Sglebius struct wpi_rx_radiotap_header *rxtap = &sc->sc_rxtap; 575287197Sglebius struct wpi_tx_radiotap_header *txtap = &sc->sc_txtap; 576287197Sglebius 577278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 578287197Sglebius ieee80211_radiotap_attach(&sc->sc_ic, 579287197Sglebius &txtap->wt_ihdr, sizeof(*txtap), WPI_TX_RADIOTAP_PRESENT, 580287197Sglebius &rxtap->wr_ihdr, sizeof(*rxtap), WPI_RX_RADIOTAP_PRESENT); 581278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 582278366Sadrian} 583278366Sadrian 584278366Sadrianstatic void 585278366Sadrianwpi_sysctlattach(struct wpi_softc *sc) 586278366Sadrian{ 587280059Sadrian#ifdef WPI_DEBUG 588278366Sadrian struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 589278366Sadrian struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 590278366Sadrian 591278366Sadrian SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 592278366Sadrian "debug", CTLFLAG_RW, &sc->sc_debug, sc->sc_debug, 593278366Sadrian "control debugging printfs"); 594278366Sadrian#endif 595278366Sadrian} 596278366Sadrian 597280083Sadrianstatic void 598280083Sadrianwpi_init_beacon(struct wpi_vap *wvp) 599280083Sadrian{ 600280083Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 601280083Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 602280083Sadrian 603280083Sadrian cmd->id = WPI_ID_BROADCAST; 604280083Sadrian cmd->ofdm_mask = 0xff; 605280083Sadrian cmd->cck_mask = 0x0f; 606280083Sadrian cmd->lifetime = htole32(WPI_LIFETIME_INFINITE); 607280083Sadrian 608282394Sadrian /* 609282394Sadrian * XXX WPI_TX_AUTO_SEQ seems to be ignored - workaround this issue 610282394Sadrian * XXX by using WPI_TX_NEED_ACK instead (with some side effects). 611282394Sadrian */ 612282394Sadrian cmd->flags = htole32(WPI_TX_NEED_ACK | WPI_TX_INSERT_TSTAMP); 613282394Sadrian 614280083Sadrian bcn->code = WPI_CMD_SET_BEACON; 615280083Sadrian bcn->ac = WPI_CMD_QUEUE_NUM; 616280083Sadrian bcn->size = sizeof(struct wpi_cmd_beacon); 617280083Sadrian} 618280083Sadrian 619278366Sadrianstatic struct ieee80211vap * 620278366Sadrianwpi_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 621278366Sadrian enum ieee80211_opmode opmode, int flags, 622278366Sadrian const uint8_t bssid[IEEE80211_ADDR_LEN], 623278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 624278366Sadrian{ 625278366Sadrian struct wpi_vap *wvp; 626278366Sadrian struct ieee80211vap *vap; 627278366Sadrian 628278366Sadrian if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 629278366Sadrian return NULL; 630278366Sadrian 631287197Sglebius wvp = malloc(sizeof(struct wpi_vap), M_80211_VAP, M_WAITOK | M_ZERO); 632280085Sadrian vap = &wvp->wv_vap; 633287197Sglebius ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid); 634278366Sadrian 635280105Sadrian if (opmode == IEEE80211_M_IBSS || opmode == IEEE80211_M_HOSTAP) { 636280086Sadrian WPI_VAP_LOCK_INIT(wvp); 637280083Sadrian wpi_init_beacon(wvp); 638280086Sadrian } 639280083Sadrian 640278366Sadrian /* Override with driver methods. */ 641278366Sadrian vap->iv_key_set = wpi_key_set; 642278366Sadrian vap->iv_key_delete = wpi_key_delete; 643282401Sadrian wvp->wv_recv_mgmt = vap->iv_recv_mgmt; 644282401Sadrian vap->iv_recv_mgmt = wpi_recv_mgmt; 645280085Sadrian wvp->wv_newstate = vap->iv_newstate; 646278366Sadrian vap->iv_newstate = wpi_newstate; 647278366Sadrian vap->iv_update_beacon = wpi_update_beacon; 648280105Sadrian vap->iv_max_aid = WPI_ID_IBSS_MAX - WPI_ID_IBSS_MIN + 1; 649278366Sadrian 650278366Sadrian ieee80211_ratectl_init(vap); 651278366Sadrian /* Complete setup. */ 652280066Sadrian ieee80211_vap_attach(vap, ieee80211_media_change, 653287197Sglebius ieee80211_media_status, mac); 654278366Sadrian ic->ic_opmode = opmode; 655278366Sadrian return vap; 656278366Sadrian} 657278366Sadrian 658278366Sadrianstatic void 659278366Sadrianwpi_vap_delete(struct ieee80211vap *vap) 660278366Sadrian{ 661278366Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 662280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 663280084Sadrian enum ieee80211_opmode opmode = vap->iv_opmode; 664278366Sadrian 665278366Sadrian ieee80211_ratectl_deinit(vap); 666278366Sadrian ieee80211_vap_detach(vap); 667278366Sadrian 668280105Sadrian if (opmode == IEEE80211_M_IBSS || opmode == IEEE80211_M_HOSTAP) { 669280084Sadrian if (bcn->m != NULL) 670280084Sadrian m_freem(bcn->m); 671280086Sadrian 672280086Sadrian WPI_VAP_LOCK_DESTROY(wvp); 673280084Sadrian } 674280084Sadrian 675278366Sadrian free(wvp, M_80211_VAP); 676278366Sadrian} 677278366Sadrian 678173362Sbenjscstatic int 679173362Sbenjscwpi_detach(device_t dev) 680173362Sbenjsc{ 681173362Sbenjsc struct wpi_softc *sc = device_get_softc(dev); 682287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 683278366Sadrian int qid; 684173362Sbenjsc 685278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 686260064Smarius 687287197Sglebius if (ic->ic_vap_create == wpi_vap_create) { 688280052Sadrian ieee80211_draintask(ic, &sc->sc_radioon_task); 689280078Sadrian ieee80211_draintask(ic, &sc->sc_start_task); 690278366Sadrian 691173362Sbenjsc wpi_stop(sc); 692278366Sadrian 693287197Sglebius if (sc->sc_tq != NULL) { 694287197Sglebius taskqueue_drain_all(sc->sc_tq); 695287197Sglebius taskqueue_free(sc->sc_tq); 696287197Sglebius } 697280120Sadrian 698280106Sadrian callout_drain(&sc->watchdog_rfkill); 699280109Sadrian callout_drain(&sc->tx_timeout); 700280106Sadrian callout_drain(&sc->scan_timeout); 701173362Sbenjsc callout_drain(&sc->calib_to); 702173362Sbenjsc ieee80211_ifdetach(ic); 703173362Sbenjsc } 704173362Sbenjsc 705278366Sadrian /* Uninstall interrupt handler. */ 706278366Sadrian if (sc->irq != NULL) { 707278366Sadrian bus_teardown_intr(dev, sc->irq, sc->sc_ih); 708278366Sadrian bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), 709278366Sadrian sc->irq); 710278366Sadrian pci_release_msi(dev); 711278366Sadrian } 712278366Sadrian 713173362Sbenjsc if (sc->txq[0].data_dmat) { 714278366Sadrian /* Free DMA resources. */ 715278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 716278366Sadrian wpi_free_tx_ring(sc, &sc->txq[qid]); 717173362Sbenjsc 718278366Sadrian wpi_free_rx_ring(sc); 719173362Sbenjsc wpi_free_shared(sc); 720173362Sbenjsc } 721173362Sbenjsc 722173362Sbenjsc if (sc->fw_dma.tag) 723173362Sbenjsc wpi_free_fwmem(sc); 724278366Sadrian 725173362Sbenjsc if (sc->mem != NULL) 726260064Smarius bus_release_resource(dev, SYS_RES_MEMORY, 727260064Smarius rman_get_rid(sc->mem), sc->mem); 728173362Sbenjsc 729278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 730280112Sadrian WPI_TXQ_STATE_LOCK_DESTROY(sc); 731280071Sadrian WPI_TXQ_LOCK_DESTROY(sc); 732280077Sadrian WPI_NT_LOCK_DESTROY(sc); 733280108Sadrian WPI_RXON_LOCK_DESTROY(sc); 734280113Sadrian WPI_TX_LOCK_DESTROY(sc); 735173362Sbenjsc WPI_LOCK_DESTROY(sc); 736278366Sadrian return 0; 737278366Sadrian} 738173362Sbenjsc 739278366Sadrianstatic int 740278366Sadrianwpi_shutdown(device_t dev) 741278366Sadrian{ 742278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 743278366Sadrian 744278366Sadrian wpi_stop(sc); 745173362Sbenjsc return 0; 746173362Sbenjsc} 747173362Sbenjsc 748278366Sadrianstatic int 749278366Sadrianwpi_suspend(device_t dev) 750178354Ssam{ 751278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 752287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 753178354Ssam 754278366Sadrian ieee80211_suspend_all(ic); 755278366Sadrian return 0; 756278366Sadrian} 757178354Ssam 758278366Sadrianstatic int 759278366Sadrianwpi_resume(device_t dev) 760278366Sadrian{ 761278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 762287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 763278366Sadrian 764278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 765278366Sadrian pci_write_config(dev, 0x41, 0, 1); 766278366Sadrian 767278366Sadrian ieee80211_resume_all(ic); 768278366Sadrian return 0; 769178354Ssam} 770178354Ssam 771278366Sadrian/* 772278366Sadrian * Grab exclusive access to NIC memory. 773278366Sadrian */ 774278366Sadrianstatic int 775278366Sadrianwpi_nic_lock(struct wpi_softc *sc) 776178354Ssam{ 777278366Sadrian int ntries; 778178354Ssam 779278366Sadrian /* Request exclusive access to NIC. */ 780278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 781278366Sadrian 782278366Sadrian /* Spin until we actually get the lock. */ 783278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 784278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & 785280059Sadrian (WPI_GP_CNTRL_MAC_ACCESS_ENA | WPI_GP_CNTRL_SLEEP)) == 786278366Sadrian WPI_GP_CNTRL_MAC_ACCESS_ENA) 787278366Sadrian return 0; 788278366Sadrian DELAY(10); 789278366Sadrian } 790278366Sadrian 791278366Sadrian device_printf(sc->sc_dev, "could not lock memory\n"); 792278366Sadrian 793278366Sadrian return ETIMEDOUT; 794178354Ssam} 795178354Ssam 796278366Sadrian/* 797278366Sadrian * Release lock on NIC memory. 798278366Sadrian */ 799278366Sadrianstatic __inline void 800278366Sadrianwpi_nic_unlock(struct wpi_softc *sc) 801278366Sadrian{ 802278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 803278366Sadrian} 804278366Sadrian 805278366Sadrianstatic __inline uint32_t 806278366Sadrianwpi_prph_read(struct wpi_softc *sc, uint32_t addr) 807278366Sadrian{ 808278366Sadrian WPI_WRITE(sc, WPI_PRPH_RADDR, WPI_PRPH_DWORD | addr); 809278366Sadrian WPI_BARRIER_READ_WRITE(sc); 810278366Sadrian return WPI_READ(sc, WPI_PRPH_RDATA); 811278366Sadrian} 812278366Sadrian 813278366Sadrianstatic __inline void 814278366Sadrianwpi_prph_write(struct wpi_softc *sc, uint32_t addr, uint32_t data) 815278366Sadrian{ 816278366Sadrian WPI_WRITE(sc, WPI_PRPH_WADDR, WPI_PRPH_DWORD | addr); 817278366Sadrian WPI_BARRIER_WRITE(sc); 818278366Sadrian WPI_WRITE(sc, WPI_PRPH_WDATA, data); 819278366Sadrian} 820278366Sadrian 821278366Sadrianstatic __inline void 822278366Sadrianwpi_prph_setbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 823278366Sadrian{ 824278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) | mask); 825278366Sadrian} 826278366Sadrian 827278366Sadrianstatic __inline void 828278366Sadrianwpi_prph_clrbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 829278366Sadrian{ 830278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) & ~mask); 831278366Sadrian} 832278366Sadrian 833278366Sadrianstatic __inline void 834278366Sadrianwpi_prph_write_region_4(struct wpi_softc *sc, uint32_t addr, 835278366Sadrian const uint32_t *data, int count) 836278366Sadrian{ 837278366Sadrian for (; count > 0; count--, data++, addr += 4) 838278366Sadrian wpi_prph_write(sc, addr, *data); 839278366Sadrian} 840278366Sadrian 841278366Sadrianstatic __inline uint32_t 842278366Sadrianwpi_mem_read(struct wpi_softc *sc, uint32_t addr) 843278366Sadrian{ 844278366Sadrian WPI_WRITE(sc, WPI_MEM_RADDR, addr); 845278366Sadrian WPI_BARRIER_READ_WRITE(sc); 846278366Sadrian return WPI_READ(sc, WPI_MEM_RDATA); 847278366Sadrian} 848278366Sadrian 849278366Sadrianstatic __inline void 850278366Sadrianwpi_mem_read_region_4(struct wpi_softc *sc, uint32_t addr, uint32_t *data, 851278366Sadrian int count) 852278366Sadrian{ 853278366Sadrian for (; count > 0; count--, addr += 4) 854278366Sadrian *data++ = wpi_mem_read(sc, addr); 855278366Sadrian} 856278366Sadrian 857278366Sadrianstatic int 858278366Sadrianwpi_read_prom_data(struct wpi_softc *sc, uint32_t addr, void *data, int count) 859278366Sadrian{ 860278366Sadrian uint8_t *out = data; 861278366Sadrian uint32_t val; 862278366Sadrian int error, ntries; 863278366Sadrian 864278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 865278366Sadrian 866278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 867278366Sadrian return error; 868278366Sadrian 869278366Sadrian for (; count > 0; count -= 2, addr++) { 870278366Sadrian WPI_WRITE(sc, WPI_EEPROM, addr << 2); 871278366Sadrian for (ntries = 0; ntries < 10; ntries++) { 872278366Sadrian val = WPI_READ(sc, WPI_EEPROM); 873278366Sadrian if (val & WPI_EEPROM_READ_VALID) 874278366Sadrian break; 875278366Sadrian DELAY(5); 876278366Sadrian } 877278366Sadrian if (ntries == 10) { 878278366Sadrian device_printf(sc->sc_dev, 879278366Sadrian "timeout reading ROM at 0x%x\n", addr); 880278366Sadrian return ETIMEDOUT; 881278366Sadrian } 882278366Sadrian *out++= val >> 16; 883278366Sadrian if (count > 1) 884278366Sadrian *out ++= val >> 24; 885278366Sadrian } 886278366Sadrian 887278366Sadrian wpi_nic_unlock(sc); 888278366Sadrian 889278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 890278366Sadrian 891278366Sadrian return 0; 892278366Sadrian} 893278366Sadrian 894178354Ssamstatic void 895173362Sbenjscwpi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 896173362Sbenjsc{ 897173362Sbenjsc if (error != 0) 898173362Sbenjsc return; 899173362Sbenjsc KASSERT(nsegs == 1, ("too many DMA segments, %d should be 1", nsegs)); 900173362Sbenjsc *(bus_addr_t *)arg = segs[0].ds_addr; 901173362Sbenjsc} 902173362Sbenjsc 903177043Sthompsa/* 904177043Sthompsa * Allocates a contiguous block of dma memory of the requested size and 905278366Sadrian * alignment. 906177043Sthompsa */ 907173362Sbenjscstatic int 908173362Sbenjscwpi_dma_contig_alloc(struct wpi_softc *sc, struct wpi_dma_info *dma, 909278366Sadrian void **kvap, bus_size_t size, bus_size_t alignment) 910173362Sbenjsc{ 911173362Sbenjsc int error; 912173362Sbenjsc 913278366Sadrian dma->tag = NULL; 914173362Sbenjsc dma->size = size; 915173362Sbenjsc 916278366Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), alignment, 917278366Sadrian 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, size, 918278366Sadrian 1, size, BUS_DMA_NOWAIT, NULL, NULL, &dma->tag); 919278366Sadrian if (error != 0) 920173362Sbenjsc goto fail; 921278366Sadrian 922278366Sadrian error = bus_dmamem_alloc(dma->tag, (void **)&dma->vaddr, 923278366Sadrian BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, &dma->map); 924278366Sadrian if (error != 0) 925173362Sbenjsc goto fail; 926173362Sbenjsc 927278366Sadrian error = bus_dmamap_load(dma->tag, dma->map, dma->vaddr, size, 928278366Sadrian wpi_dma_map_addr, &dma->paddr, BUS_DMA_NOWAIT); 929278366Sadrian if (error != 0) 930278366Sadrian goto fail; 931177043Sthompsa 932278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 933177043Sthompsa 934173362Sbenjsc if (kvap != NULL) 935173362Sbenjsc *kvap = dma->vaddr; 936173362Sbenjsc 937173362Sbenjsc return 0; 938173362Sbenjsc 939278366Sadrianfail: wpi_dma_contig_free(dma); 940173362Sbenjsc return error; 941173362Sbenjsc} 942173362Sbenjsc 943173362Sbenjscstatic void 944173362Sbenjscwpi_dma_contig_free(struct wpi_dma_info *dma) 945173362Sbenjsc{ 946278366Sadrian if (dma->vaddr != NULL) { 947278366Sadrian bus_dmamap_sync(dma->tag, dma->map, 948278366Sadrian BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 949278366Sadrian bus_dmamap_unload(dma->tag, dma->map); 950278366Sadrian bus_dmamem_free(dma->tag, dma->vaddr, dma->map); 951278366Sadrian dma->vaddr = NULL; 952278366Sadrian } 953278366Sadrian if (dma->tag != NULL) { 954173362Sbenjsc bus_dma_tag_destroy(dma->tag); 955278366Sadrian dma->tag = NULL; 956173362Sbenjsc } 957173362Sbenjsc} 958173362Sbenjsc 959173362Sbenjsc/* 960173362Sbenjsc * Allocate a shared page between host and NIC. 961173362Sbenjsc */ 962173362Sbenjscstatic int 963173362Sbenjscwpi_alloc_shared(struct wpi_softc *sc) 964173362Sbenjsc{ 965278366Sadrian /* Shared buffer must be aligned on a 4KB boundary. */ 966278366Sadrian return wpi_dma_contig_alloc(sc, &sc->shared_dma, 967278366Sadrian (void **)&sc->shared, sizeof (struct wpi_shared), 4096); 968173362Sbenjsc} 969173362Sbenjsc 970173362Sbenjscstatic void 971173362Sbenjscwpi_free_shared(struct wpi_softc *sc) 972173362Sbenjsc{ 973173362Sbenjsc wpi_dma_contig_free(&sc->shared_dma); 974173362Sbenjsc} 975173362Sbenjsc 976278366Sadrian/* 977278366Sadrian * Allocate DMA-safe memory for firmware transfer. 978278366Sadrian */ 979173362Sbenjscstatic int 980278366Sadrianwpi_alloc_fwmem(struct wpi_softc *sc) 981173362Sbenjsc{ 982278366Sadrian /* Must be aligned on a 16-byte boundary. */ 983278366Sadrian return wpi_dma_contig_alloc(sc, &sc->fw_dma, NULL, 984278366Sadrian WPI_FW_TEXT_MAXSZ + WPI_FW_DATA_MAXSZ, 16); 985278366Sadrian} 986173362Sbenjsc 987278366Sadrianstatic void 988278366Sadrianwpi_free_fwmem(struct wpi_softc *sc) 989278366Sadrian{ 990278366Sadrian wpi_dma_contig_free(&sc->fw_dma); 991278366Sadrian} 992278366Sadrian 993278366Sadrianstatic int 994278366Sadrianwpi_alloc_rx_ring(struct wpi_softc *sc) 995278366Sadrian{ 996278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 997278366Sadrian bus_size_t size; 998173362Sbenjsc int i, error; 999173362Sbenjsc 1000173362Sbenjsc ring->cur = 0; 1001278366Sadrian ring->update = 0; 1002173362Sbenjsc 1003278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1004278366Sadrian 1005278366Sadrian /* Allocate RX descriptors (16KB aligned.) */ 1006278366Sadrian size = WPI_RX_RING_COUNT * sizeof (uint32_t); 1007173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->desc_dma, 1008278366Sadrian (void **)&ring->desc, size, WPI_RING_DMA_ALIGN); 1009173362Sbenjsc if (error != 0) { 1010177043Sthompsa device_printf(sc->sc_dev, 1011278366Sadrian "%s: could not allocate RX ring DMA memory, error %d\n", 1012177043Sthompsa __func__, error); 1013177043Sthompsa goto fail; 1014173362Sbenjsc } 1015173362Sbenjsc 1016278366Sadrian /* Create RX buffer DMA tag. */ 1017280059Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1018278366Sadrian BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 1019278366Sadrian MJUMPAGESIZE, 1, MJUMPAGESIZE, BUS_DMA_NOWAIT, NULL, NULL, 1020278366Sadrian &ring->data_dmat); 1021280059Sadrian if (error != 0) { 1022280059Sadrian device_printf(sc->sc_dev, 1023278366Sadrian "%s: could not create RX buf DMA tag, error %d\n", 1024177043Sthompsa __func__, error); 1025280059Sadrian goto fail; 1026280059Sadrian } 1027177043Sthompsa 1028173362Sbenjsc /* 1029278366Sadrian * Allocate and map RX buffers. 1030173362Sbenjsc */ 1031173362Sbenjsc for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1032177043Sthompsa struct wpi_rx_data *data = &ring->data[i]; 1033177043Sthompsa bus_addr_t paddr; 1034173362Sbenjsc 1035177043Sthompsa error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1036177043Sthompsa if (error != 0) { 1037173362Sbenjsc device_printf(sc->sc_dev, 1038278366Sadrian "%s: could not create RX buf DMA map, error %d\n", 1039177043Sthompsa __func__, error); 1040173362Sbenjsc goto fail; 1041173362Sbenjsc } 1042278366Sadrian 1043278366Sadrian data->m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1044278366Sadrian if (data->m == NULL) { 1045173362Sbenjsc device_printf(sc->sc_dev, 1046278366Sadrian "%s: could not allocate RX mbuf\n", __func__); 1047278366Sadrian error = ENOBUFS; 1048173362Sbenjsc goto fail; 1049173362Sbenjsc } 1050278366Sadrian 1051177043Sthompsa error = bus_dmamap_load(ring->data_dmat, data->map, 1052278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1053278366Sadrian &paddr, BUS_DMA_NOWAIT); 1054177043Sthompsa if (error != 0 && error != EFBIG) { 1055177043Sthompsa device_printf(sc->sc_dev, 1056278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, 1057278366Sadrian error); 1058173362Sbenjsc goto fail; 1059173362Sbenjsc } 1060177043Sthompsa 1061278366Sadrian /* Set physical address of RX buffer. */ 1062177043Sthompsa ring->desc[i] = htole32(paddr); 1063173362Sbenjsc } 1064278366Sadrian 1065173362Sbenjsc bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1066173362Sbenjsc BUS_DMASYNC_PREWRITE); 1067278366Sadrian 1068278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1069278366Sadrian 1070173362Sbenjsc return 0; 1071278366Sadrian 1072278366Sadrianfail: wpi_free_rx_ring(sc); 1073278366Sadrian 1074278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1075278366Sadrian 1076173362Sbenjsc return error; 1077173362Sbenjsc} 1078173362Sbenjsc 1079173362Sbenjscstatic void 1080278366Sadrianwpi_update_rx_ring(struct wpi_softc *sc) 1081173362Sbenjsc{ 1082282400Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, sc->rxq.cur & ~7); 1083282400Sadrian} 1084282400Sadrian 1085282400Sadrianstatic void 1086282400Sadrianwpi_update_rx_ring_ps(struct wpi_softc *sc) 1087282400Sadrian{ 1088278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1089173362Sbenjsc 1090280056Sadrian if (ring->update != 0) { 1091280056Sadrian /* Wait for INT_WAKEUP event. */ 1092280056Sadrian return; 1093280056Sadrian } 1094280056Sadrian 1095282400Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1096282400Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_SLEEP) { 1097278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s: wakeup request\n", 1098278366Sadrian __func__); 1099278366Sadrian ring->update = 1; 1100282400Sadrian } else { 1101282400Sadrian wpi_update_rx_ring(sc); 1102282400Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1103282400Sadrian } 1104278366Sadrian} 1105173362Sbenjsc 1106278366Sadrianstatic void 1107278366Sadrianwpi_reset_rx_ring(struct wpi_softc *sc) 1108278366Sadrian{ 1109278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1110278366Sadrian int ntries; 1111173362Sbenjsc 1112278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1113173362Sbenjsc 1114278366Sadrian if (wpi_nic_lock(sc) == 0) { 1115278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 0); 1116278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 1117278366Sadrian if (WPI_READ(sc, WPI_FH_RX_STATUS) & 1118278366Sadrian WPI_FH_RX_STATUS_IDLE) 1119278366Sadrian break; 1120278366Sadrian DELAY(10); 1121278366Sadrian } 1122278366Sadrian wpi_nic_unlock(sc); 1123278366Sadrian } 1124173362Sbenjsc 1125173362Sbenjsc ring->cur = 0; 1126278366Sadrian ring->update = 0; 1127173362Sbenjsc} 1128173362Sbenjsc 1129173362Sbenjscstatic void 1130278366Sadrianwpi_free_rx_ring(struct wpi_softc *sc) 1131173362Sbenjsc{ 1132278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1133173362Sbenjsc int i; 1134173362Sbenjsc 1135278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1136278366Sadrian 1137173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1138173362Sbenjsc 1139216824Sbschmidt for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1140216824Sbschmidt struct wpi_rx_data *data = &ring->data[i]; 1141216824Sbschmidt 1142216824Sbschmidt if (data->m != NULL) { 1143216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, 1144216824Sbschmidt BUS_DMASYNC_POSTREAD); 1145216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1146216824Sbschmidt m_freem(data->m); 1147278366Sadrian data->m = NULL; 1148216824Sbschmidt } 1149216824Sbschmidt if (data->map != NULL) 1150216824Sbschmidt bus_dmamap_destroy(ring->data_dmat, data->map); 1151216824Sbschmidt } 1152278366Sadrian if (ring->data_dmat != NULL) { 1153278366Sadrian bus_dma_tag_destroy(ring->data_dmat); 1154278366Sadrian ring->data_dmat = NULL; 1155278366Sadrian } 1156173362Sbenjsc} 1157173362Sbenjsc 1158173362Sbenjscstatic int 1159278366Sadrianwpi_alloc_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring, int qid) 1160173362Sbenjsc{ 1161278366Sadrian bus_addr_t paddr; 1162278366Sadrian bus_size_t size; 1163173362Sbenjsc int i, error; 1164173362Sbenjsc 1165173362Sbenjsc ring->qid = qid; 1166173362Sbenjsc ring->queued = 0; 1167173362Sbenjsc ring->cur = 0; 1168278366Sadrian ring->update = 0; 1169287197Sglebius mbufq_init(&ring->snd, ifqmaxlen); 1170173362Sbenjsc 1171278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1172173362Sbenjsc 1173278366Sadrian /* Allocate TX descriptors (16KB aligned.) */ 1174278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_desc); 1175278366Sadrian error = wpi_dma_contig_alloc(sc, &ring->desc_dma, (void **)&ring->desc, 1176278366Sadrian size, WPI_RING_DMA_ALIGN); 1177173362Sbenjsc if (error != 0) { 1178278366Sadrian device_printf(sc->sc_dev, 1179278366Sadrian "%s: could not allocate TX ring DMA memory, error %d\n", 1180278366Sadrian __func__, error); 1181278366Sadrian goto fail; 1182173362Sbenjsc } 1183173362Sbenjsc 1184278366Sadrian /* Update shared area with ring physical address. */ 1185173362Sbenjsc sc->shared->txbase[qid] = htole32(ring->desc_dma.paddr); 1186278366Sadrian bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 1187278366Sadrian BUS_DMASYNC_PREWRITE); 1188173362Sbenjsc 1189278366Sadrian /* 1190278366Sadrian * We only use rings 0 through 4 (4 EDCA + cmd) so there is no need 1191278366Sadrian * to allocate commands space for other rings. 1192278366Sadrian * XXX Do we really need to allocate descriptors for other rings? 1193278366Sadrian */ 1194280101Sadrian if (qid > WPI_CMD_QUEUE_NUM) { 1195280101Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1196278366Sadrian return 0; 1197280101Sadrian } 1198278366Sadrian 1199278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_cmd); 1200173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->cmd_dma, (void **)&ring->cmd, 1201278366Sadrian size, 4); 1202173362Sbenjsc if (error != 0) { 1203173362Sbenjsc device_printf(sc->sc_dev, 1204278366Sadrian "%s: could not allocate TX cmd DMA memory, error %d\n", 1205278366Sadrian __func__, error); 1206173362Sbenjsc goto fail; 1207173362Sbenjsc } 1208173362Sbenjsc 1209173362Sbenjsc error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1210173362Sbenjsc BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1211173362Sbenjsc WPI_MAX_SCATTER - 1, MCLBYTES, BUS_DMA_NOWAIT, NULL, NULL, 1212173362Sbenjsc &ring->data_dmat); 1213173362Sbenjsc if (error != 0) { 1214278366Sadrian device_printf(sc->sc_dev, 1215278366Sadrian "%s: could not create TX buf DMA tag, error %d\n", 1216278366Sadrian __func__, error); 1217173362Sbenjsc goto fail; 1218173362Sbenjsc } 1219173362Sbenjsc 1220278366Sadrian paddr = ring->cmd_dma.paddr; 1221278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1222278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1223173362Sbenjsc 1224278366Sadrian data->cmd_paddr = paddr; 1225278366Sadrian paddr += sizeof (struct wpi_tx_cmd); 1226278366Sadrian 1227173362Sbenjsc error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1228173362Sbenjsc if (error != 0) { 1229173362Sbenjsc device_printf(sc->sc_dev, 1230278366Sadrian "%s: could not create TX buf DMA map, error %d\n", 1231278366Sadrian __func__, error); 1232173362Sbenjsc goto fail; 1233173362Sbenjsc } 1234173362Sbenjsc } 1235173362Sbenjsc 1236278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1237278366Sadrian 1238173362Sbenjsc return 0; 1239173362Sbenjsc 1240278366Sadrianfail: wpi_free_tx_ring(sc, ring); 1241278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1242173362Sbenjsc return error; 1243173362Sbenjsc} 1244173362Sbenjsc 1245173362Sbenjscstatic void 1246278366Sadrianwpi_update_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1247278366Sadrian{ 1248282400Sadrian WPI_WRITE(sc, WPI_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur); 1249282400Sadrian} 1250282400Sadrian 1251282400Sadrianstatic void 1252282400Sadrianwpi_update_tx_ring_ps(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1253282400Sadrian{ 1254282400Sadrian 1255280056Sadrian if (ring->update != 0) { 1256280056Sadrian /* Wait for INT_WAKEUP event. */ 1257280056Sadrian return; 1258280056Sadrian } 1259280056Sadrian 1260282400Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1261282400Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_SLEEP) { 1262278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s (%d): requesting wakeup\n", 1263278366Sadrian __func__, ring->qid); 1264278366Sadrian ring->update = 1; 1265282400Sadrian } else { 1266282400Sadrian wpi_update_tx_ring(sc, ring); 1267282400Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1268282400Sadrian } 1269278366Sadrian} 1270278366Sadrian 1271278366Sadrianstatic void 1272173362Sbenjscwpi_reset_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1273173362Sbenjsc{ 1274278366Sadrian int i; 1275173362Sbenjsc 1276278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1277173362Sbenjsc 1278278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1279278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1280173362Sbenjsc 1281173362Sbenjsc if (data->m != NULL) { 1282278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1283278366Sadrian BUS_DMASYNC_POSTWRITE); 1284173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1285173362Sbenjsc m_freem(data->m); 1286173362Sbenjsc data->m = NULL; 1287173362Sbenjsc } 1288282397Sadrian if (data->ni != NULL) { 1289282397Sadrian ieee80211_free_node(data->ni); 1290282397Sadrian data->ni = NULL; 1291282397Sadrian } 1292173362Sbenjsc } 1293278366Sadrian /* Clear TX descriptors. */ 1294278366Sadrian memset(ring->desc, 0, ring->desc_dma.size); 1295278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1296278366Sadrian BUS_DMASYNC_PREWRITE); 1297287197Sglebius mbufq_drain(&ring->snd); 1298278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1299173362Sbenjsc ring->queued = 0; 1300173362Sbenjsc ring->cur = 0; 1301278366Sadrian ring->update = 0; 1302173362Sbenjsc} 1303173362Sbenjsc 1304173362Sbenjscstatic void 1305173362Sbenjscwpi_free_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1306173362Sbenjsc{ 1307173362Sbenjsc int i; 1308173362Sbenjsc 1309278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1310278366Sadrian 1311173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1312173362Sbenjsc wpi_dma_contig_free(&ring->cmd_dma); 1313173362Sbenjsc 1314278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1315278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1316173362Sbenjsc 1317278366Sadrian if (data->m != NULL) { 1318278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1319278366Sadrian BUS_DMASYNC_POSTWRITE); 1320278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1321278366Sadrian m_freem(data->m); 1322173362Sbenjsc } 1323278366Sadrian if (data->map != NULL) 1324278366Sadrian bus_dmamap_destroy(ring->data_dmat, data->map); 1325173362Sbenjsc } 1326278366Sadrian if (ring->data_dmat != NULL) { 1327173362Sbenjsc bus_dma_tag_destroy(ring->data_dmat); 1328278366Sadrian ring->data_dmat = NULL; 1329278366Sadrian } 1330173362Sbenjsc} 1331173362Sbenjsc 1332278366Sadrian/* 1333278366Sadrian * Extract various information from EEPROM. 1334278366Sadrian */ 1335173362Sbenjscstatic int 1336278366Sadrianwpi_read_eeprom(struct wpi_softc *sc, uint8_t macaddr[IEEE80211_ADDR_LEN]) 1337173362Sbenjsc{ 1338278366Sadrian#define WPI_CHK(res) do { \ 1339278366Sadrian if ((error = res) != 0) \ 1340278366Sadrian goto fail; \ 1341278366Sadrian} while (0) 1342278366Sadrian int error, i; 1343173362Sbenjsc 1344278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1345173362Sbenjsc 1346278366Sadrian /* Adapter has to be powered on for EEPROM access to work. */ 1347278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 1348278366Sadrian device_printf(sc->sc_dev, 1349278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 1350278366Sadrian error); 1351278366Sadrian return error; 1352278366Sadrian } 1353278366Sadrian 1354278366Sadrian if ((WPI_READ(sc, WPI_EEPROM_GP) & 0x6) == 0) { 1355278366Sadrian device_printf(sc->sc_dev, "bad EEPROM signature\n"); 1356278366Sadrian error = EIO; 1357278366Sadrian goto fail; 1358278366Sadrian } 1359278366Sadrian /* Clear HW ownership of EEPROM. */ 1360278366Sadrian WPI_CLRBITS(sc, WPI_EEPROM_GP, WPI_EEPROM_GP_IF_OWNER); 1361278366Sadrian 1362278366Sadrian /* Read the hardware capabilities, revision and SKU type. */ 1363278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_SKU_CAP, &sc->cap, 1364278366Sadrian sizeof(sc->cap))); 1365278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_REVISION, &sc->rev, 1366278366Sadrian sizeof(sc->rev))); 1367278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_TYPE, &sc->type, 1368278366Sadrian sizeof(sc->type))); 1369278366Sadrian 1370280076Sadrian sc->rev = le16toh(sc->rev); 1371280066Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, "cap=%x rev=%x type=%x\n", sc->cap, 1372280076Sadrian sc->rev, sc->type); 1373278366Sadrian 1374278366Sadrian /* Read the regulatory domain (4 ASCII characters.) */ 1375278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_DOMAIN, sc->domain, 1376278366Sadrian sizeof(sc->domain))); 1377278366Sadrian 1378278366Sadrian /* Read MAC address. */ 1379278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_MAC, macaddr, 1380278366Sadrian IEEE80211_ADDR_LEN)); 1381278366Sadrian 1382278366Sadrian /* Read the list of authorized channels. */ 1383278366Sadrian for (i = 0; i < WPI_CHAN_BANDS_COUNT; i++) 1384278366Sadrian WPI_CHK(wpi_read_eeprom_channels(sc, i)); 1385278366Sadrian 1386278366Sadrian /* Read the list of TX power groups. */ 1387278366Sadrian for (i = 0; i < WPI_POWER_GROUPS_COUNT; i++) 1388278366Sadrian WPI_CHK(wpi_read_eeprom_group(sc, i)); 1389278366Sadrian 1390278366Sadrianfail: wpi_apm_stop(sc); /* Power OFF adapter. */ 1391278366Sadrian 1392278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, error ? TRACE_STR_END_ERR : TRACE_STR_END, 1393278366Sadrian __func__); 1394278366Sadrian 1395278366Sadrian return error; 1396278366Sadrian#undef WPI_CHK 1397278366Sadrian} 1398278366Sadrian 1399278366Sadrian/* 1400278366Sadrian * Translate EEPROM flags to net80211. 1401278366Sadrian */ 1402278366Sadrianstatic uint32_t 1403278366Sadrianwpi_eeprom_channel_flags(struct wpi_eeprom_chan *channel) 1404278366Sadrian{ 1405278366Sadrian uint32_t nflags; 1406278366Sadrian 1407278366Sadrian nflags = 0; 1408278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_ACTIVE) == 0) 1409278366Sadrian nflags |= IEEE80211_CHAN_PASSIVE; 1410278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_IBSS) == 0) 1411278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1412278366Sadrian if (channel->flags & WPI_EEPROM_CHAN_RADAR) { 1413278366Sadrian nflags |= IEEE80211_CHAN_DFS; 1414278366Sadrian /* XXX apparently IBSS may still be marked */ 1415278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1416278366Sadrian } 1417278366Sadrian 1418280105Sadrian /* XXX HOSTAP uses WPI_MODE_IBSS */ 1419280105Sadrian if (nflags & IEEE80211_CHAN_NOADHOC) 1420280105Sadrian nflags |= IEEE80211_CHAN_NOHOSTAP; 1421280105Sadrian 1422278366Sadrian return nflags; 1423278366Sadrian} 1424278366Sadrian 1425278366Sadrianstatic void 1426278366Sadrianwpi_read_eeprom_band(struct wpi_softc *sc, int n) 1427278366Sadrian{ 1428287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1429278366Sadrian struct wpi_eeprom_chan *channels = sc->eeprom_channels[n]; 1430278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1431278366Sadrian struct ieee80211_channel *c; 1432278366Sadrian uint8_t chan; 1433278366Sadrian int i, nflags; 1434278366Sadrian 1435278366Sadrian for (i = 0; i < band->nchan; i++) { 1436278366Sadrian if (!(channels[i].flags & WPI_EEPROM_CHAN_VALID)) { 1437280080Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1438278366Sadrian "Channel Not Valid: %d, band %d\n", 1439278366Sadrian band->chan[i],n); 1440278366Sadrian continue; 1441278366Sadrian } 1442278366Sadrian 1443278366Sadrian chan = band->chan[i]; 1444278366Sadrian nflags = wpi_eeprom_channel_flags(&channels[i]); 1445278366Sadrian 1446278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1447278366Sadrian c->ic_ieee = chan; 1448278366Sadrian c->ic_maxregpower = channels[i].maxpwr; 1449278366Sadrian c->ic_maxpower = 2*c->ic_maxregpower; 1450278366Sadrian 1451278366Sadrian if (n == 0) { /* 2GHz band */ 1452280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1453280066Sadrian IEEE80211_CHAN_G); 1454280066Sadrian 1455278366Sadrian /* G =>'s B is supported */ 1456278366Sadrian c->ic_flags = IEEE80211_CHAN_B | nflags; 1457278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1458278366Sadrian c[0] = c[-1]; 1459278366Sadrian c->ic_flags = IEEE80211_CHAN_G | nflags; 1460278366Sadrian } else { /* 5GHz band */ 1461280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1462280066Sadrian IEEE80211_CHAN_A); 1463280066Sadrian 1464278366Sadrian c->ic_flags = IEEE80211_CHAN_A | nflags; 1465278366Sadrian } 1466278366Sadrian 1467278366Sadrian /* Save maximum allowed TX power for this channel. */ 1468278366Sadrian sc->maxpwr[chan] = channels[i].maxpwr; 1469278366Sadrian 1470278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1471278366Sadrian "adding chan %d (%dMHz) flags=0x%x maxpwr=%d passive=%d," 1472278366Sadrian " offset %d\n", chan, c->ic_freq, 1473278366Sadrian channels[i].flags, sc->maxpwr[chan], 1474278764Sadrian IEEE80211_IS_CHAN_PASSIVE(c), ic->ic_nchans); 1475278366Sadrian } 1476278366Sadrian} 1477278366Sadrian 1478278366Sadrian/** 1479278366Sadrian * Read the eeprom to find out what channels are valid for the given 1480278366Sadrian * band and update net80211 with what we find. 1481278366Sadrian */ 1482278366Sadrianstatic int 1483278366Sadrianwpi_read_eeprom_channels(struct wpi_softc *sc, int n) 1484278366Sadrian{ 1485287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1486278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1487278366Sadrian int error; 1488278366Sadrian 1489278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1490278366Sadrian 1491278366Sadrian error = wpi_read_prom_data(sc, band->addr, &sc->eeprom_channels[n], 1492278366Sadrian band->nchan * sizeof (struct wpi_eeprom_chan)); 1493278366Sadrian if (error != 0) { 1494278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1495278366Sadrian return error; 1496278366Sadrian } 1497278366Sadrian 1498278366Sadrian wpi_read_eeprom_band(sc, n); 1499278366Sadrian 1500278366Sadrian ieee80211_sort_channels(ic->ic_channels, ic->ic_nchans); 1501278366Sadrian 1502278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1503278366Sadrian 1504173362Sbenjsc return 0; 1505173362Sbenjsc} 1506173362Sbenjsc 1507278366Sadrianstatic struct wpi_eeprom_chan * 1508278366Sadrianwpi_find_eeprom_channel(struct wpi_softc *sc, struct ieee80211_channel *c) 1509278366Sadrian{ 1510278366Sadrian int i, j; 1511278366Sadrian 1512278366Sadrian for (j = 0; j < WPI_CHAN_BANDS_COUNT; j++) 1513278366Sadrian for (i = 0; i < wpi_bands[j].nchan; i++) 1514278366Sadrian if (wpi_bands[j].chan[i] == c->ic_ieee) 1515278366Sadrian return &sc->eeprom_channels[j][i]; 1516278366Sadrian 1517278366Sadrian return NULL; 1518278366Sadrian} 1519278366Sadrian 1520278366Sadrian/* 1521278366Sadrian * Enforce flags read from EEPROM. 1522278366Sadrian */ 1523173362Sbenjscstatic int 1524278366Sadrianwpi_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *rd, 1525278366Sadrian int nchan, struct ieee80211_channel chans[]) 1526173362Sbenjsc{ 1527286865Sadrian struct wpi_softc *sc = ic->ic_softc; 1528278366Sadrian int i; 1529173362Sbenjsc 1530278366Sadrian for (i = 0; i < nchan; i++) { 1531278366Sadrian struct ieee80211_channel *c = &chans[i]; 1532278366Sadrian struct wpi_eeprom_chan *channel; 1533278366Sadrian 1534278366Sadrian channel = wpi_find_eeprom_channel(sc, c); 1535278366Sadrian if (channel == NULL) { 1536287197Sglebius ic_printf(ic, "%s: invalid channel %u freq %u/0x%x\n", 1537278366Sadrian __func__, c->ic_ieee, c->ic_freq, c->ic_flags); 1538278366Sadrian return EINVAL; 1539278366Sadrian } 1540278366Sadrian c->ic_flags |= wpi_eeprom_channel_flags(channel); 1541278366Sadrian } 1542278366Sadrian 1543173362Sbenjsc return 0; 1544173362Sbenjsc} 1545173362Sbenjsc 1546173362Sbenjscstatic int 1547278366Sadrianwpi_read_eeprom_group(struct wpi_softc *sc, int n) 1548173362Sbenjsc{ 1549278366Sadrian struct wpi_power_group *group = &sc->groups[n]; 1550278366Sadrian struct wpi_eeprom_group rgroup; 1551278366Sadrian int i, error; 1552173362Sbenjsc 1553278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1554173362Sbenjsc 1555278366Sadrian if ((error = wpi_read_prom_data(sc, WPI_EEPROM_POWER_GRP + n * 32, 1556278366Sadrian &rgroup, sizeof rgroup)) != 0) { 1557278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1558278366Sadrian return error; 1559278366Sadrian } 1560278366Sadrian 1561278366Sadrian /* Save TX power group information. */ 1562278366Sadrian group->chan = rgroup.chan; 1563278366Sadrian group->maxpwr = rgroup.maxpwr; 1564278366Sadrian /* Retrieve temperature at which the samples were taken. */ 1565278366Sadrian group->temp = (int16_t)le16toh(rgroup.temp); 1566278366Sadrian 1567278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1568278366Sadrian "power group %d: chan=%d maxpwr=%d temp=%d\n", n, group->chan, 1569278366Sadrian group->maxpwr, group->temp); 1570278366Sadrian 1571278366Sadrian for (i = 0; i < WPI_SAMPLES_COUNT; i++) { 1572278366Sadrian group->samples[i].index = rgroup.samples[i].index; 1573278366Sadrian group->samples[i].power = rgroup.samples[i].power; 1574278366Sadrian 1575278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1576278366Sadrian "\tsample %d: index=%d power=%d\n", i, 1577278366Sadrian group->samples[i].index, group->samples[i].power); 1578278366Sadrian } 1579278366Sadrian 1580278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1581278366Sadrian 1582173362Sbenjsc return 0; 1583173362Sbenjsc} 1584173362Sbenjsc 1585280069Sadrianstatic int 1586280069Sadrianwpi_add_node_entry_adhoc(struct wpi_softc *sc) 1587280069Sadrian{ 1588280069Sadrian int newid = WPI_ID_IBSS_MIN; 1589280069Sadrian 1590280069Sadrian for (; newid <= WPI_ID_IBSS_MAX; newid++) { 1591280069Sadrian if ((sc->nodesmsk & (1 << newid)) == 0) { 1592280069Sadrian sc->nodesmsk |= 1 << newid; 1593280069Sadrian return newid; 1594280069Sadrian } 1595280069Sadrian } 1596280069Sadrian 1597280069Sadrian return WPI_ID_UNDEFINED; 1598280069Sadrian} 1599280069Sadrian 1600280069Sadrianstatic __inline int 1601280070Sadrianwpi_add_node_entry_sta(struct wpi_softc *sc) 1602280070Sadrian{ 1603280070Sadrian sc->nodesmsk |= 1 << WPI_ID_BSS; 1604280070Sadrian 1605280070Sadrian return WPI_ID_BSS; 1606280070Sadrian} 1607280070Sadrian 1608280070Sadrianstatic __inline int 1609280069Sadrianwpi_check_node_entry(struct wpi_softc *sc, uint8_t id) 1610280069Sadrian{ 1611280069Sadrian if (id == WPI_ID_UNDEFINED) 1612280069Sadrian return 0; 1613280069Sadrian 1614280069Sadrian return (sc->nodesmsk >> id) & 1; 1615280069Sadrian} 1616280069Sadrian 1617280069Sadrianstatic __inline void 1618280069Sadrianwpi_clear_node_table(struct wpi_softc *sc) 1619280069Sadrian{ 1620280069Sadrian sc->nodesmsk = 0; 1621280069Sadrian} 1622280069Sadrian 1623280069Sadrianstatic __inline void 1624280069Sadrianwpi_del_node_entry(struct wpi_softc *sc, uint8_t id) 1625280069Sadrian{ 1626280069Sadrian sc->nodesmsk &= ~(1 << id); 1627280069Sadrian} 1628280069Sadrian 1629278366Sadrianstatic struct ieee80211_node * 1630278366Sadrianwpi_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 1631278366Sadrian{ 1632278366Sadrian struct wpi_node *wn; 1633278366Sadrian 1634278366Sadrian wn = malloc(sizeof (struct wpi_node), M_80211_NODE, 1635278366Sadrian M_NOWAIT | M_ZERO); 1636278366Sadrian 1637278366Sadrian if (wn == NULL) 1638278366Sadrian return NULL; 1639278366Sadrian 1640278366Sadrian wn->id = WPI_ID_UNDEFINED; 1641278366Sadrian 1642278366Sadrian return &wn->ni; 1643278366Sadrian} 1644278366Sadrian 1645278366Sadrianstatic void 1646278366Sadrianwpi_node_free(struct ieee80211_node *ni) 1647278366Sadrian{ 1648287197Sglebius struct wpi_softc *sc = ni->ni_ic->ic_softc; 1649280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 1650278366Sadrian 1651280070Sadrian if (wn->id != WPI_ID_UNDEFINED) { 1652280077Sadrian WPI_NT_LOCK(sc); 1653280069Sadrian if (wpi_check_node_entry(sc, wn->id)) { 1654280069Sadrian wpi_del_node_entry(sc, wn->id); 1655278366Sadrian wpi_del_node(sc, ni); 1656280069Sadrian } 1657280077Sadrian WPI_NT_UNLOCK(sc); 1658278366Sadrian } 1659278366Sadrian 1660278366Sadrian sc->sc_node_free(ni); 1661278366Sadrian} 1662278366Sadrian 1663282375Sadrianstatic __inline int 1664282375Sadrianwpi_check_bss_filter(struct wpi_softc *sc) 1665282375Sadrian{ 1666282375Sadrian return (sc->rxon.filter & htole32(WPI_FILTER_BSS)) != 0; 1667282375Sadrian} 1668282375Sadrian 1669282401Sadrianstatic void 1670283536Sadrianwpi_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m, int subtype, 1671283536Sadrian const struct ieee80211_rx_stats *rxs, 1672283536Sadrian int rssi, int nf) 1673282401Sadrian{ 1674282401Sadrian struct ieee80211vap *vap = ni->ni_vap; 1675286865Sadrian struct wpi_softc *sc = vap->iv_ic->ic_softc; 1676282401Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 1677282401Sadrian uint64_t ni_tstamp, rx_tstamp; 1678282401Sadrian 1679283536Sadrian wvp->wv_recv_mgmt(ni, m, subtype, rxs, rssi, nf); 1680282401Sadrian 1681282401Sadrian if (vap->iv_opmode == IEEE80211_M_IBSS && 1682282401Sadrian vap->iv_state == IEEE80211_S_RUN && 1683282401Sadrian (subtype == IEEE80211_FC0_SUBTYPE_BEACON || 1684282401Sadrian subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP)) { 1685282401Sadrian ni_tstamp = le64toh(ni->ni_tstamp.tsf); 1686282401Sadrian rx_tstamp = le64toh(sc->rx_tstamp); 1687282401Sadrian 1688282401Sadrian if (ni_tstamp >= rx_tstamp) { 1689282401Sadrian DPRINTF(sc, WPI_DEBUG_STATE, 1690282401Sadrian "ibss merge, tsf %ju tstamp %ju\n", 1691282401Sadrian (uintmax_t)rx_tstamp, (uintmax_t)ni_tstamp); 1692282401Sadrian (void) ieee80211_ibss_merge(ni); 1693282401Sadrian } 1694282401Sadrian } 1695282401Sadrian} 1696282401Sadrian 1697282401Sadrianstatic void 1698282401Sadrianwpi_restore_node(void *arg, struct ieee80211_node *ni) 1699282401Sadrian{ 1700282401Sadrian struct wpi_softc *sc = arg; 1701282401Sadrian struct wpi_node *wn = WPI_NODE(ni); 1702282401Sadrian int error; 1703282401Sadrian 1704282401Sadrian WPI_NT_LOCK(sc); 1705282401Sadrian if (wn->id != WPI_ID_UNDEFINED) { 1706282401Sadrian wn->id = WPI_ID_UNDEFINED; 1707282401Sadrian if ((error = wpi_add_ibss_node(sc, ni)) != 0) { 1708282401Sadrian device_printf(sc->sc_dev, 1709282401Sadrian "%s: could not add IBSS node, error %d\n", 1710282401Sadrian __func__, error); 1711282401Sadrian } 1712282401Sadrian } 1713282401Sadrian WPI_NT_UNLOCK(sc); 1714282401Sadrian} 1715282401Sadrian 1716282401Sadrianstatic void 1717282401Sadrianwpi_restore_node_table(struct wpi_softc *sc, struct wpi_vap *wvp) 1718282401Sadrian{ 1719287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1720282401Sadrian 1721282401Sadrian /* Set group keys once. */ 1722282401Sadrian WPI_NT_LOCK(sc); 1723282401Sadrian wvp->wv_gtk = 0; 1724282401Sadrian WPI_NT_UNLOCK(sc); 1725282401Sadrian 1726282401Sadrian ieee80211_iterate_nodes(&ic->ic_sta, wpi_restore_node, sc); 1727282401Sadrian ieee80211_crypto_reload_keys(ic); 1728282401Sadrian} 1729282401Sadrian 1730173362Sbenjsc/** 1731173362Sbenjsc * Called by net80211 when ever there is a change to 80211 state machine 1732173362Sbenjsc */ 1733173362Sbenjscstatic int 1734178354Ssamwpi_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1735173362Sbenjsc{ 1736178354Ssam struct wpi_vap *wvp = WPI_VAP(vap); 1737178354Ssam struct ieee80211com *ic = vap->iv_ic; 1738286865Sadrian struct wpi_softc *sc = ic->ic_softc; 1739278366Sadrian int error = 0; 1740173362Sbenjsc 1741278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1742278366Sadrian 1743287197Sglebius WPI_TXQ_LOCK(sc); 1744287197Sglebius if (nstate > IEEE80211_S_INIT && sc->sc_running == 0) { 1745287197Sglebius DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1746287197Sglebius WPI_TXQ_UNLOCK(sc); 1747287197Sglebius 1748287197Sglebius return ENXIO; 1749287197Sglebius } 1750287197Sglebius WPI_TXQ_UNLOCK(sc); 1751287197Sglebius 1752278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "%s: %s -> %s\n", __func__, 1753178354Ssam ieee80211_state_name[vap->iv_state], 1754278366Sadrian ieee80211_state_name[nstate]); 1755173362Sbenjsc 1756282381Sadrian if (vap->iv_state == IEEE80211_S_RUN && nstate < IEEE80211_S_RUN) { 1757280118Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 1)) != 0) { 1758280118Sadrian device_printf(sc->sc_dev, 1759280118Sadrian "%s: could not set power saving level\n", 1760280118Sadrian __func__); 1761280118Sadrian return error; 1762280118Sadrian } 1763282381Sadrian 1764282381Sadrian wpi_set_led(sc, WPI_LED_LINK, 1, 0); 1765280118Sadrian } 1766280118Sadrian 1767278366Sadrian switch (nstate) { 1768278366Sadrian case IEEE80211_S_SCAN: 1769280108Sadrian WPI_RXON_LOCK(sc); 1770282386Sadrian if (wpi_check_bss_filter(sc) != 0) { 1771278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 1772278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 1773278366Sadrian device_printf(sc->sc_dev, 1774278366Sadrian "%s: could not send RXON\n", __func__); 1775278366Sadrian } 1776216238Sbschmidt } 1777280108Sadrian WPI_RXON_UNLOCK(sc); 1778278366Sadrian break; 1779278366Sadrian 1780278366Sadrian case IEEE80211_S_ASSOC: 1781278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1782278366Sadrian break; 1783278366Sadrian /* FALLTHROUGH */ 1784278366Sadrian case IEEE80211_S_AUTH: 1785216238Sbschmidt /* 1786282391Sadrian * NB: do not optimize AUTH -> AUTH state transmission - 1787282391Sadrian * this will break powersave with non-QoS AP! 1788282391Sadrian */ 1789282391Sadrian 1790282391Sadrian /* 1791216238Sbschmidt * The node must be registered in the firmware before auth. 1792216238Sbschmidt * Also the associd must be cleared on RUN -> ASSOC 1793216238Sbschmidt * transitions. 1794216238Sbschmidt */ 1795278366Sadrian if ((error = wpi_auth(sc, vap)) != 0) { 1796191746Sthompsa device_printf(sc->sc_dev, 1797278366Sadrian "%s: could not move to AUTH state, error %d\n", 1798191746Sthompsa __func__, error); 1799191746Sthompsa } 1800278366Sadrian break; 1801278366Sadrian 1802278366Sadrian case IEEE80211_S_RUN: 1803278366Sadrian /* 1804282401Sadrian * RUN -> RUN transition: 1805282401Sadrian * STA mode: Just restart the timers. 1806282401Sadrian * IBSS mode: Process IBSS merge. 1807278366Sadrian */ 1808278366Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 1809282401Sadrian if (vap->iv_opmode != IEEE80211_M_IBSS) { 1810282401Sadrian WPI_RXON_LOCK(sc); 1811282401Sadrian wpi_calib_timeout(sc); 1812282401Sadrian WPI_RXON_UNLOCK(sc); 1813282401Sadrian break; 1814282401Sadrian } else { 1815282401Sadrian /* 1816282401Sadrian * Drop the BSS_FILTER bit 1817282401Sadrian * (there is no another way to change bssid). 1818282401Sadrian */ 1819282401Sadrian WPI_RXON_LOCK(sc); 1820282401Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 1821282401Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 1822282401Sadrian device_printf(sc->sc_dev, 1823282401Sadrian "%s: could not send RXON\n", 1824282401Sadrian __func__); 1825282401Sadrian } 1826282401Sadrian WPI_RXON_UNLOCK(sc); 1827282401Sadrian 1828282401Sadrian /* Restore all what was lost. */ 1829282401Sadrian wpi_restore_node_table(sc, wvp); 1830282401Sadrian 1831282401Sadrian /* XXX set conditionally? */ 1832282401Sadrian wpi_updateedca(ic); 1833282401Sadrian } 1834278366Sadrian } 1835278366Sadrian 1836278366Sadrian /* 1837278366Sadrian * !RUN -> RUN requires setting the association id 1838278366Sadrian * which is done with a firmware cmd. We also defer 1839278366Sadrian * starting the timers until that work is done. 1840278366Sadrian */ 1841278366Sadrian if ((error = wpi_run(sc, vap)) != 0) { 1842191746Sthompsa device_printf(sc->sc_dev, 1843278366Sadrian "%s: could not move to RUN state\n", __func__); 1844191746Sthompsa } 1845278366Sadrian break; 1846278366Sadrian 1847278366Sadrian default: 1848278366Sadrian break; 1849178354Ssam } 1850278366Sadrian if (error != 0) { 1851278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1852278366Sadrian return error; 1853278366Sadrian } 1854173362Sbenjsc 1855278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1856173362Sbenjsc 1857280085Sadrian return wvp->wv_newstate(vap, nstate, arg); 1858173362Sbenjsc} 1859173362Sbenjsc 1860173362Sbenjscstatic void 1861278366Sadrianwpi_calib_timeout(void *arg) 1862173362Sbenjsc{ 1863278366Sadrian struct wpi_softc *sc = arg; 1864173362Sbenjsc 1865282375Sadrian if (wpi_check_bss_filter(sc) == 0) 1866278366Sadrian return; 1867173362Sbenjsc 1868278366Sadrian wpi_power_calibration(sc); 1869173362Sbenjsc 1870278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 1871173362Sbenjsc} 1872173362Sbenjsc 1873278366Sadrianstatic __inline uint8_t 1874278366Sadrianrate2plcp(const uint8_t rate) 1875173362Sbenjsc{ 1876278366Sadrian switch (rate) { 1877278366Sadrian case 12: return 0xd; 1878278366Sadrian case 18: return 0xf; 1879278366Sadrian case 24: return 0x5; 1880278366Sadrian case 36: return 0x7; 1881278366Sadrian case 48: return 0x9; 1882278366Sadrian case 72: return 0xb; 1883278366Sadrian case 96: return 0x1; 1884278366Sadrian case 108: return 0x3; 1885278366Sadrian case 2: return 10; 1886278366Sadrian case 4: return 20; 1887278366Sadrian case 11: return 55; 1888278366Sadrian case 22: return 110; 1889278366Sadrian default: return 0; 1890173362Sbenjsc } 1891173362Sbenjsc} 1892173362Sbenjsc 1893278366Sadrianstatic __inline uint8_t 1894278366Sadrianplcp2rate(const uint8_t plcp) 1895173362Sbenjsc{ 1896278366Sadrian switch (plcp) { 1897278366Sadrian case 0xd: return 12; 1898278366Sadrian case 0xf: return 18; 1899278366Sadrian case 0x5: return 24; 1900278366Sadrian case 0x7: return 36; 1901278366Sadrian case 0x9: return 48; 1902278366Sadrian case 0xb: return 72; 1903278366Sadrian case 0x1: return 96; 1904278366Sadrian case 0x3: return 108; 1905278366Sadrian case 10: return 2; 1906278366Sadrian case 20: return 4; 1907278366Sadrian case 55: return 11; 1908278366Sadrian case 110: return 22; 1909278366Sadrian default: return 0; 1910173362Sbenjsc } 1911278366Sadrian} 1912173362Sbenjsc 1913278366Sadrian/* Quickly determine if a given rate is CCK or OFDM. */ 1914278366Sadrian#define WPI_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22) 1915173362Sbenjsc 1916173362Sbenjscstatic void 1917278366Sadrianwpi_rx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1918278366Sadrian struct wpi_rx_data *data) 1919173362Sbenjsc{ 1920287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1921173362Sbenjsc struct wpi_rx_ring *ring = &sc->rxq; 1922173362Sbenjsc struct wpi_rx_stat *stat; 1923173362Sbenjsc struct wpi_rx_head *head; 1924173362Sbenjsc struct wpi_rx_tail *tail; 1925278366Sadrian struct ieee80211_frame *wh; 1926173362Sbenjsc struct ieee80211_node *ni; 1927278366Sadrian struct mbuf *m, *m1; 1928177043Sthompsa bus_addr_t paddr; 1929278366Sadrian uint32_t flags; 1930278366Sadrian uint16_t len; 1931177043Sthompsa int error; 1932173362Sbenjsc 1933173362Sbenjsc stat = (struct wpi_rx_stat *)(desc + 1); 1934173362Sbenjsc 1935173362Sbenjsc if (stat->len > WPI_STAT_MAXLEN) { 1936278366Sadrian device_printf(sc->sc_dev, "invalid RX statistic header\n"); 1937278764Sadrian goto fail1; 1938173362Sbenjsc } 1939173362Sbenjsc 1940216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTREAD); 1941173362Sbenjsc head = (struct wpi_rx_head *)((caddr_t)(stat + 1) + stat->len); 1942278366Sadrian len = le16toh(head->len); 1943278366Sadrian tail = (struct wpi_rx_tail *)((caddr_t)(head + 1) + len); 1944278366Sadrian flags = le32toh(tail->flags); 1945173362Sbenjsc 1946278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: idx %d len %d stat len %u rssi %d" 1947278366Sadrian " rate %x chan %d tstamp %ju\n", __func__, ring->cur, 1948278366Sadrian le32toh(desc->len), len, (int8_t)stat->rssi, 1949278366Sadrian head->plcp, head->chan, (uintmax_t)le64toh(tail->tstamp)); 1950173362Sbenjsc 1951278366Sadrian /* Discard frames with a bad FCS early. */ 1952278366Sadrian if ((flags & WPI_RX_NOERROR) != WPI_RX_NOERROR) { 1953278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: RX flags error %x\n", 1954278366Sadrian __func__, flags); 1955278764Sadrian goto fail1; 1956190458Sjmallett } 1957278366Sadrian /* Discard frames that are too short. */ 1958282402Sadrian if (len < sizeof (struct ieee80211_frame_ack)) { 1959278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: frame too short: %d\n", 1960278366Sadrian __func__, len); 1961278764Sadrian goto fail1; 1962190458Sjmallett } 1963190458Sjmallett 1964278366Sadrian m1 = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1965278366Sadrian if (m1 == NULL) { 1966278366Sadrian DPRINTF(sc, WPI_DEBUG_ANY, "%s: no mbuf to restock ring\n", 1967278366Sadrian __func__); 1968278764Sadrian goto fail1; 1969177043Sthompsa } 1970216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1971216824Sbschmidt 1972278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, mtod(m1, void *), 1973278366Sadrian MJUMPAGESIZE, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 1974177043Sthompsa if (error != 0 && error != EFBIG) { 1975177043Sthompsa device_printf(sc->sc_dev, 1976177043Sthompsa "%s: bus_dmamap_load failed, error %d\n", __func__, error); 1977278366Sadrian m_freem(m1); 1978278366Sadrian 1979278366Sadrian /* Try to reload the old mbuf. */ 1980278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, 1981278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1982278366Sadrian &paddr, BUS_DMA_NOWAIT); 1983278366Sadrian if (error != 0 && error != EFBIG) { 1984278366Sadrian panic("%s: could not load old RX mbuf", __func__); 1985278366Sadrian } 1986278366Sadrian /* Physical address may have changed. */ 1987278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1988278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->desc_dma.map, 1989278366Sadrian BUS_DMASYNC_PREWRITE); 1990278764Sadrian goto fail1; 1991177043Sthompsa } 1992177043Sthompsa 1993173362Sbenjsc m = data->m; 1994278366Sadrian data->m = m1; 1995278366Sadrian /* Update RX descriptor. */ 1996278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1997278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1998278366Sadrian BUS_DMASYNC_PREWRITE); 1999278366Sadrian 2000278366Sadrian /* Finalize mbuf. */ 2001173362Sbenjsc m->m_data = (caddr_t)(head + 1); 2002278366Sadrian m->m_pkthdr.len = m->m_len = len; 2003173362Sbenjsc 2004278366Sadrian /* Grab a reference to the source node. */ 2005278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2006173362Sbenjsc 2007278366Sadrian if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) && 2008280088Sadrian (flags & WPI_RX_CIPHER_MASK) == WPI_RX_CIPHER_CCMP) { 2009278366Sadrian /* Check whether decryption was successful or not. */ 2010278366Sadrian if ((flags & WPI_RX_DECRYPT_MASK) != WPI_RX_DECRYPT_OK) { 2011278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, 2012278366Sadrian "CCMP decryption failed 0x%x\n", flags); 2013278764Sadrian goto fail2; 2014278366Sadrian } 2015278366Sadrian m->m_flags |= M_WEP; 2016278366Sadrian } 2017278366Sadrian 2018282402Sadrian if (len >= sizeof(struct ieee80211_frame_min)) 2019282402Sadrian ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 2020282402Sadrian else 2021282402Sadrian ni = NULL; 2022282402Sadrian 2023282401Sadrian sc->rx_tstamp = tail->tstamp; 2024280088Sadrian 2025192468Ssam if (ieee80211_radiotap_active(ic)) { 2026173362Sbenjsc struct wpi_rx_radiotap_header *tap = &sc->sc_rxtap; 2027173362Sbenjsc 2028173362Sbenjsc tap->wr_flags = 0; 2029278366Sadrian if (head->flags & htole16(WPI_STAT_FLAG_SHPREAMBLE)) 2030278366Sadrian tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 2031280064Sadrian tap->wr_dbm_antsignal = (int8_t)(stat->rssi + WPI_RSSI_OFFSET); 2032280081Sadrian tap->wr_dbm_antnoise = WPI_RSSI_OFFSET; 2033173362Sbenjsc tap->wr_tsft = tail->tstamp; 2034173362Sbenjsc tap->wr_antenna = (le16toh(head->flags) >> 4) & 0xf; 2035278366Sadrian tap->wr_rate = plcp2rate(head->plcp); 2036173362Sbenjsc } 2037173362Sbenjsc 2038173362Sbenjsc WPI_UNLOCK(sc); 2039173362Sbenjsc 2040278366Sadrian /* Send the frame to the 802.11 layer. */ 2041178354Ssam if (ni != NULL) { 2042280064Sadrian (void)ieee80211_input(ni, m, stat->rssi, WPI_RSSI_OFFSET); 2043278366Sadrian /* Node is no longer needed. */ 2044178354Ssam ieee80211_free_node(ni); 2045178354Ssam } else 2046280064Sadrian (void)ieee80211_input_all(ic, m, stat->rssi, WPI_RSSI_OFFSET); 2047173362Sbenjsc 2048173362Sbenjsc WPI_LOCK(sc); 2049278764Sadrian 2050278764Sadrian return; 2051278764Sadrian 2052280088Sadrianfail2: m_freem(m); 2053278764Sadrian 2054287197Sglebiusfail1: counter_u64_add(ic->ic_ierrors, 1); 2055173362Sbenjsc} 2056173362Sbenjsc 2057173362Sbenjscstatic void 2058278366Sadrianwpi_rx_statistics(struct wpi_softc *sc, struct wpi_rx_desc *desc, 2059278366Sadrian struct wpi_rx_data *data) 2060173362Sbenjsc{ 2061278366Sadrian /* Ignore */ 2062278366Sadrian} 2063278366Sadrian 2064278366Sadrianstatic void 2065278366Sadrianwpi_tx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 2066278366Sadrian{ 2067173362Sbenjsc struct wpi_tx_ring *ring = &sc->txq[desc->qid & 0x3]; 2068278366Sadrian struct wpi_tx_data *data = &ring->data[desc->idx]; 2069173362Sbenjsc struct wpi_tx_stat *stat = (struct wpi_tx_stat *)(desc + 1); 2070278366Sadrian struct mbuf *m; 2071278366Sadrian struct ieee80211_node *ni; 2072278366Sadrian struct ieee80211vap *vap; 2073280078Sadrian struct ieee80211com *ic; 2074280114Sadrian uint32_t status = le32toh(stat->status); 2075282369Sadrian int ackfailcnt = stat->ackfailcnt / WPI_NTRIES_DEFAULT; 2076173362Sbenjsc 2077278366Sadrian KASSERT(data->ni != NULL, ("no node")); 2078280100Sadrian KASSERT(data->m != NULL, ("no mbuf")); 2079173362Sbenjsc 2080278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2081278366Sadrian 2082278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: " 2083278366Sadrian "qid %d idx %d retries %d btkillcnt %d rate %x duration %d " 2084282369Sadrian "status %x\n", __func__, desc->qid, desc->idx, stat->ackfailcnt, 2085278366Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), status); 2086278366Sadrian 2087278366Sadrian /* Unmap and free mbuf. */ 2088278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTWRITE); 2089278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 2090278366Sadrian m = data->m, data->m = NULL; 2091278366Sadrian ni = data->ni, data->ni = NULL; 2092278366Sadrian vap = ni->ni_vap; 2093280078Sadrian ic = vap->iv_ic; 2094278366Sadrian 2095173362Sbenjsc /* 2096173362Sbenjsc * Update rate control statistics for the node. 2097173362Sbenjsc */ 2098282378Sadrian if (status & WPI_TX_STATUS_FAIL) { 2099278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 2100278764Sadrian IEEE80211_RATECTL_TX_FAILURE, &ackfailcnt, NULL); 2101287197Sglebius } else 2102278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 2103278764Sadrian IEEE80211_RATECTL_TX_SUCCESS, &ackfailcnt, NULL); 2104173362Sbenjsc 2105282378Sadrian ieee80211_tx_complete(ni, m, (status & WPI_TX_STATUS_FAIL) != 0); 2106173362Sbenjsc 2107280112Sadrian WPI_TXQ_STATE_LOCK(sc); 2108280109Sadrian ring->queued -= 1; 2109280111Sadrian if (ring->queued > 0) { 2110280109Sadrian callout_reset(&sc->tx_timeout, 5*hz, wpi_tx_timeout, sc); 2111280111Sadrian 2112287197Sglebius if ((sc->qfullmsk & (1 << ring->qid)) != 0 && 2113287197Sglebius ring->queued < WPI_TX_RING_LOMARK) { 2114280111Sadrian sc->qfullmsk &= ~(1 << ring->qid); 2115287197Sglebius ieee80211_runtask(ic, &sc->sc_start_task); 2116280111Sadrian } 2117280111Sadrian } else 2118280109Sadrian callout_stop(&sc->tx_timeout); 2119280112Sadrian WPI_TXQ_STATE_UNLOCK(sc); 2120280109Sadrian 2121278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2122173362Sbenjsc} 2123173362Sbenjsc 2124278366Sadrian/* 2125278366Sadrian * Process a "command done" firmware notification. This is where we wakeup 2126278366Sadrian * processes waiting for a synchronous command completion. 2127278366Sadrian */ 2128173362Sbenjscstatic void 2129278366Sadrianwpi_cmd_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 2130173362Sbenjsc{ 2131280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 2132173362Sbenjsc struct wpi_tx_data *data; 2133173362Sbenjsc 2134280101Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "cmd notification qid %x idx %d flags %x " 2135280101Sadrian "type %s len %d\n", desc->qid, desc->idx, 2136278366Sadrian desc->flags, wpi_cmd_str(desc->type), 2137278366Sadrian le32toh(desc->len)); 2138173362Sbenjsc 2139280064Sadrian if ((desc->qid & WPI_RX_DESC_QID_MSK) != WPI_CMD_QUEUE_NUM) 2140278366Sadrian return; /* Not a command ack. */ 2141173362Sbenjsc 2142280075Sadrian KASSERT(ring->queued == 0, ("ring->queued must be 0")); 2143280075Sadrian 2144173362Sbenjsc data = &ring->data[desc->idx]; 2145173362Sbenjsc 2146278366Sadrian /* If the command was mapped in an mbuf, free it. */ 2147173362Sbenjsc if (data->m != NULL) { 2148278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 2149278366Sadrian BUS_DMASYNC_POSTWRITE); 2150173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 2151173362Sbenjsc m_freem(data->m); 2152173362Sbenjsc data->m = NULL; 2153173362Sbenjsc } 2154173362Sbenjsc 2155173362Sbenjsc wakeup(&ring->cmd[desc->idx]); 2156282400Sadrian 2157282400Sadrian if (desc->type == WPI_CMD_SET_POWER_MODE) { 2158282400Sadrian WPI_TXQ_LOCK(sc); 2159282400Sadrian if (sc->sc_flags & WPI_PS_PATH) { 2160282400Sadrian sc->sc_update_rx_ring = wpi_update_rx_ring_ps; 2161282400Sadrian sc->sc_update_tx_ring = wpi_update_tx_ring_ps; 2162282400Sadrian } else { 2163282400Sadrian sc->sc_update_rx_ring = wpi_update_rx_ring; 2164282400Sadrian sc->sc_update_tx_ring = wpi_update_tx_ring; 2165282400Sadrian } 2166282400Sadrian WPI_TXQ_UNLOCK(sc); 2167282400Sadrian } 2168173362Sbenjsc} 2169173362Sbenjsc 2170173362Sbenjscstatic void 2171173362Sbenjscwpi_notif_intr(struct wpi_softc *sc) 2172173362Sbenjsc{ 2173287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 2174278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2175280114Sadrian uint32_t hw; 2176173362Sbenjsc 2177216523Sbschmidt bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 2178216523Sbschmidt BUS_DMASYNC_POSTREAD); 2179216523Sbschmidt 2180282398Sadrian hw = le32toh(sc->shared->next) & 0xfff; 2181278366Sadrian hw = (hw == 0) ? WPI_RX_RING_COUNT - 1 : hw - 1; 2182216523Sbschmidt 2183278764Sadrian while (sc->rxq.cur != hw) { 2184278366Sadrian sc->rxq.cur = (sc->rxq.cur + 1) % WPI_RX_RING_COUNT; 2185278366Sadrian 2186278366Sadrian struct wpi_rx_data *data = &sc->rxq.data[sc->rxq.cur]; 2187278366Sadrian struct wpi_rx_desc *desc; 2188278366Sadrian 2189216523Sbschmidt bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2190216523Sbschmidt BUS_DMASYNC_POSTREAD); 2191278366Sadrian desc = mtod(data->m, struct wpi_rx_desc *); 2192173362Sbenjsc 2193278366Sadrian DPRINTF(sc, WPI_DEBUG_NOTIFY, 2194278366Sadrian "%s: cur=%d; qid %x idx %d flags %x type %d(%s) len %d\n", 2195278366Sadrian __func__, sc->rxq.cur, desc->qid, desc->idx, desc->flags, 2196278366Sadrian desc->type, wpi_cmd_str(desc->type), le32toh(desc->len)); 2197173362Sbenjsc 2198280064Sadrian if (!(desc->qid & WPI_UNSOLICITED_RX_NOTIF)) { 2199280064Sadrian /* Reply to a command. */ 2200278366Sadrian wpi_cmd_done(sc, desc); 2201280064Sadrian } 2202173362Sbenjsc 2203173362Sbenjsc switch (desc->type) { 2204173362Sbenjsc case WPI_RX_DONE: 2205278366Sadrian /* An 802.11 frame has been received. */ 2206278366Sadrian wpi_rx_done(sc, desc, data); 2207280055Sadrian 2208287197Sglebius if (sc->sc_running == 0) { 2209280055Sadrian /* wpi_stop() was called. */ 2210280055Sadrian return; 2211280055Sadrian } 2212280055Sadrian 2213173362Sbenjsc break; 2214173362Sbenjsc 2215173362Sbenjsc case WPI_TX_DONE: 2216278366Sadrian /* An 802.11 frame has been transmitted. */ 2217278366Sadrian wpi_tx_done(sc, desc); 2218173362Sbenjsc break; 2219173362Sbenjsc 2220278366Sadrian case WPI_RX_STATISTICS: 2221278366Sadrian case WPI_BEACON_STATISTICS: 2222278366Sadrian wpi_rx_statistics(sc, desc, data); 2223278366Sadrian break; 2224278366Sadrian 2225278366Sadrian case WPI_BEACON_MISSED: 2226278366Sadrian { 2227278366Sadrian struct wpi_beacon_missed *miss = 2228278366Sadrian (struct wpi_beacon_missed *)(desc + 1); 2229282389Sadrian uint32_t expected, misses, received, threshold; 2230278366Sadrian 2231278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2232278366Sadrian BUS_DMASYNC_POSTREAD); 2233282388Sadrian 2234278366Sadrian misses = le32toh(miss->consecutive); 2235282388Sadrian expected = le32toh(miss->expected); 2236282388Sadrian received = le32toh(miss->received); 2237282389Sadrian threshold = MAX(2, vap->iv_bmissthreshold); 2238278366Sadrian 2239282387Sadrian DPRINTF(sc, WPI_DEBUG_BMISS, 2240282390Sadrian "%s: beacons missed %u(%u) (received %u/%u)\n", 2241282390Sadrian __func__, misses, le32toh(miss->total), received, 2242282390Sadrian expected); 2243278366Sadrian 2244282392Sadrian if (misses >= threshold || 2245282392Sadrian (received == 0 && expected >= threshold)) { 2246282392Sadrian WPI_RXON_LOCK(sc); 2247282392Sadrian if (callout_pending(&sc->scan_timeout)) { 2248282392Sadrian wpi_cmd(sc, WPI_CMD_SCAN_ABORT, NULL, 2249282392Sadrian 0, 1); 2250282392Sadrian } 2251282392Sadrian WPI_RXON_UNLOCK(sc); 2252282392Sadrian if (vap->iv_state == IEEE80211_S_RUN && 2253282392Sadrian (ic->ic_flags & IEEE80211_F_SCAN) == 0) 2254282392Sadrian ieee80211_beacon_miss(ic); 2255282392Sadrian } 2256280116Sadrian 2257278366Sadrian break; 2258278366Sadrian } 2259282393Sadrian#ifdef WPI_DEBUG 2260282393Sadrian case WPI_BEACON_SENT: 2261282393Sadrian { 2262282393Sadrian struct wpi_tx_stat *stat = 2263282393Sadrian (struct wpi_tx_stat *)(desc + 1); 2264282393Sadrian uint64_t *tsf = (uint64_t *)(stat + 1); 2265282393Sadrian uint32_t *mode = (uint32_t *)(tsf + 1); 2266282393Sadrian 2267282393Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2268282393Sadrian BUS_DMASYNC_POSTREAD); 2269282393Sadrian 2270282393Sadrian DPRINTF(sc, WPI_DEBUG_BEACON, 2271282393Sadrian "beacon sent: rts %u, ack %u, btkill %u, rate %u, " 2272282393Sadrian "duration %u, status %x, tsf %ju, mode %x\n", 2273282393Sadrian stat->rtsfailcnt, stat->ackfailcnt, 2274282393Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), 2275282393Sadrian le32toh(stat->status), *tsf, *mode); 2276282393Sadrian 2277282393Sadrian break; 2278282393Sadrian } 2279282393Sadrian#endif 2280173362Sbenjsc case WPI_UC_READY: 2281173362Sbenjsc { 2282173362Sbenjsc struct wpi_ucode_info *uc = 2283278366Sadrian (struct wpi_ucode_info *)(desc + 1); 2284173362Sbenjsc 2285278366Sadrian /* The microcontroller is ready. */ 2286278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2287278366Sadrian BUS_DMASYNC_POSTREAD); 2288278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, 2289278366Sadrian "microcode alive notification version=%d.%d " 2290278366Sadrian "subtype=%x alive=%x\n", uc->major, uc->minor, 2291278366Sadrian uc->subtype, le32toh(uc->valid)); 2292173362Sbenjsc 2293173362Sbenjsc if (le32toh(uc->valid) != 1) { 2294173362Sbenjsc device_printf(sc->sc_dev, 2295173362Sbenjsc "microcontroller initialization failed\n"); 2296173362Sbenjsc wpi_stop_locked(sc); 2297287197Sglebius return; 2298173362Sbenjsc } 2299278366Sadrian /* Save the address of the error log in SRAM. */ 2300278366Sadrian sc->errptr = le32toh(uc->errptr); 2301173362Sbenjsc break; 2302173362Sbenjsc } 2303173362Sbenjsc case WPI_STATE_CHANGED: 2304173362Sbenjsc { 2305280059Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2306280059Sadrian BUS_DMASYNC_POSTREAD); 2307278366Sadrian 2308173362Sbenjsc uint32_t *status = (uint32_t *)(desc + 1); 2309278764Sadrian 2310278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "state changed to %x\n", 2311278366Sadrian le32toh(*status)); 2312278764Sadrian 2313173362Sbenjsc if (le32toh(*status) & 1) { 2314280077Sadrian WPI_NT_LOCK(sc); 2315280069Sadrian wpi_clear_node_table(sc); 2316280077Sadrian WPI_NT_UNLOCK(sc); 2317282377Sadrian taskqueue_enqueue(sc->sc_tq, 2318282377Sadrian &sc->sc_radiooff_task); 2319278366Sadrian return; 2320173362Sbenjsc } 2321173362Sbenjsc break; 2322173362Sbenjsc } 2323282395Sadrian#ifdef WPI_DEBUG 2324173362Sbenjsc case WPI_START_SCAN: 2325173362Sbenjsc { 2326278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2327278366Sadrian BUS_DMASYNC_POSTREAD); 2328282395Sadrian 2329173362Sbenjsc struct wpi_start_scan *scan = 2330278366Sadrian (struct wpi_start_scan *)(desc + 1); 2331278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2332278366Sadrian "%s: scanning channel %d status %x\n", 2333278366Sadrian __func__, scan->chan, le32toh(scan->status)); 2334282395Sadrian 2335173362Sbenjsc break; 2336173362Sbenjsc } 2337282395Sadrian#endif 2338173362Sbenjsc case WPI_STOP_SCAN: 2339173362Sbenjsc { 2340278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2341278366Sadrian BUS_DMASYNC_POSTREAD); 2342282392Sadrian 2343173362Sbenjsc struct wpi_stop_scan *scan = 2344278366Sadrian (struct wpi_stop_scan *)(desc + 1); 2345282392Sadrian 2346278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2347278366Sadrian "scan finished nchan=%d status=%d chan=%d\n", 2348278366Sadrian scan->nchan, scan->status, scan->chan); 2349282392Sadrian 2350280108Sadrian WPI_RXON_LOCK(sc); 2351280106Sadrian callout_stop(&sc->scan_timeout); 2352280108Sadrian WPI_RXON_UNLOCK(sc); 2353282392Sadrian if (scan->status == WPI_SCAN_ABORTED) 2354282392Sadrian ieee80211_cancel_scan(vap); 2355282392Sadrian else 2356282392Sadrian ieee80211_scan_next(vap); 2357173362Sbenjsc break; 2358173362Sbenjsc } 2359278366Sadrian } 2360280119Sadrian 2361280119Sadrian if (sc->rxq.cur % 8 == 0) { 2362280119Sadrian /* Tell the firmware what we have processed. */ 2363282400Sadrian sc->sc_update_rx_ring(sc); 2364280119Sadrian } 2365278764Sadrian } 2366278366Sadrian} 2367278366Sadrian 2368278366Sadrian/* 2369278366Sadrian * Process an INT_WAKEUP interrupt raised when the microcontroller wakes up 2370278366Sadrian * from power-down sleep mode. 2371278366Sadrian */ 2372280059Sadrianstatic void 2373278366Sadrianwpi_wakeup_intr(struct wpi_softc *sc) 2374278366Sadrian{ 2375278366Sadrian int qid; 2376278366Sadrian 2377278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 2378278366Sadrian "%s: ucode wakeup from power-down sleep\n", __func__); 2379278366Sadrian 2380278366Sadrian /* Wakeup RX and TX rings. */ 2381278366Sadrian if (sc->rxq.update) { 2382278764Sadrian sc->rxq.update = 0; 2383278366Sadrian wpi_update_rx_ring(sc); 2384278366Sadrian } 2385280071Sadrian WPI_TXQ_LOCK(sc); 2386280058Sadrian for (qid = 0; qid < WPI_DRV_NTXQUEUES; qid++) { 2387278366Sadrian struct wpi_tx_ring *ring = &sc->txq[qid]; 2388278366Sadrian 2389278366Sadrian if (ring->update) { 2390278764Sadrian ring->update = 0; 2391278366Sadrian wpi_update_tx_ring(sc, ring); 2392173362Sbenjsc } 2393278366Sadrian } 2394282400Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 2395280071Sadrian WPI_TXQ_UNLOCK(sc); 2396278366Sadrian} 2397278366Sadrian 2398278366Sadrian/* 2399280093Sadrian * This function prints firmware registers 2400280093Sadrian */ 2401280093Sadrian#ifdef WPI_DEBUG 2402280093Sadrianstatic void 2403280093Sadrianwpi_debug_registers(struct wpi_softc *sc) 2404280093Sadrian{ 2405282398Sadrian size_t i; 2406280093Sadrian static const uint32_t csr_tbl[] = { 2407280093Sadrian WPI_HW_IF_CONFIG, 2408280093Sadrian WPI_INT, 2409280093Sadrian WPI_INT_MASK, 2410280093Sadrian WPI_FH_INT, 2411280093Sadrian WPI_GPIO_IN, 2412280093Sadrian WPI_RESET, 2413280093Sadrian WPI_GP_CNTRL, 2414280093Sadrian WPI_EEPROM, 2415280093Sadrian WPI_EEPROM_GP, 2416280093Sadrian WPI_GIO, 2417280093Sadrian WPI_UCODE_GP1, 2418280093Sadrian WPI_UCODE_GP2, 2419280093Sadrian WPI_GIO_CHICKEN, 2420280093Sadrian WPI_ANA_PLL, 2421280093Sadrian WPI_DBG_HPET_MEM, 2422280093Sadrian }; 2423280093Sadrian static const uint32_t prph_tbl[] = { 2424280093Sadrian WPI_APMG_CLK_CTRL, 2425280093Sadrian WPI_APMG_PS, 2426280093Sadrian WPI_APMG_PCI_STT, 2427280093Sadrian WPI_APMG_RFKILL, 2428280093Sadrian }; 2429280093Sadrian 2430280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER,"%s","\n"); 2431280093Sadrian 2432282396Sadrian for (i = 0; i < nitems(csr_tbl); i++) { 2433280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, " %-18s: 0x%08x ", 2434280093Sadrian wpi_get_csr_string(csr_tbl[i]), WPI_READ(sc, csr_tbl[i])); 2435280093Sadrian 2436280093Sadrian if ((i + 1) % 2 == 0) 2437280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2438280093Sadrian } 2439280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n\n"); 2440280093Sadrian 2441280093Sadrian if (wpi_nic_lock(sc) == 0) { 2442282396Sadrian for (i = 0; i < nitems(prph_tbl); i++) { 2443280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, " %-18s: 0x%08x ", 2444280093Sadrian wpi_get_prph_string(prph_tbl[i]), 2445280093Sadrian wpi_prph_read(sc, prph_tbl[i])); 2446280093Sadrian 2447280093Sadrian if ((i + 1) % 2 == 0) 2448280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2449280093Sadrian } 2450280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2451280093Sadrian wpi_nic_unlock(sc); 2452280093Sadrian } else { 2453280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, 2454280093Sadrian "Cannot access internal registers.\n"); 2455280093Sadrian } 2456280093Sadrian} 2457280093Sadrian#endif 2458280093Sadrian 2459280093Sadrian/* 2460278366Sadrian * Dump the error log of the firmware when a firmware panic occurs. Although 2461278366Sadrian * we can't debug the firmware because it is neither open source nor free, it 2462278366Sadrian * can help us to identify certain classes of problems. 2463278366Sadrian */ 2464278366Sadrianstatic void 2465278366Sadrianwpi_fatal_intr(struct wpi_softc *sc) 2466278366Sadrian{ 2467278366Sadrian struct wpi_fw_dump dump; 2468278366Sadrian uint32_t i, offset, count; 2469278366Sadrian 2470278366Sadrian /* Check that the error log address is valid. */ 2471278366Sadrian if (sc->errptr < WPI_FW_DATA_BASE || 2472278366Sadrian sc->errptr + sizeof (dump) > 2473278366Sadrian WPI_FW_DATA_BASE + WPI_FW_DATA_MAXSZ) { 2474278366Sadrian printf("%s: bad firmware error log address 0x%08x\n", __func__, 2475278366Sadrian sc->errptr); 2476280059Sadrian return; 2477280059Sadrian } 2478278366Sadrian if (wpi_nic_lock(sc) != 0) { 2479278366Sadrian printf("%s: could not read firmware error log\n", __func__); 2480280059Sadrian return; 2481280059Sadrian } 2482278366Sadrian /* Read number of entries in the log. */ 2483278366Sadrian count = wpi_mem_read(sc, sc->errptr); 2484278366Sadrian if (count == 0 || count * sizeof (dump) > WPI_FW_DATA_MAXSZ) { 2485278366Sadrian printf("%s: invalid count field (count = %u)\n", __func__, 2486278366Sadrian count); 2487278366Sadrian wpi_nic_unlock(sc); 2488278366Sadrian return; 2489173362Sbenjsc } 2490278366Sadrian /* Skip "count" field. */ 2491278366Sadrian offset = sc->errptr + sizeof (uint32_t); 2492278366Sadrian printf("firmware error log (count = %u):\n", count); 2493278366Sadrian for (i = 0; i < count; i++) { 2494278366Sadrian wpi_mem_read_region_4(sc, offset, (uint32_t *)&dump, 2495278366Sadrian sizeof (dump) / sizeof (uint32_t)); 2496173362Sbenjsc 2497278366Sadrian printf(" error type = \"%s\" (0x%08X)\n", 2498282396Sadrian (dump.desc < nitems(wpi_fw_errmsg)) ? 2499278366Sadrian wpi_fw_errmsg[dump.desc] : "UNKNOWN", 2500278366Sadrian dump.desc); 2501278366Sadrian printf(" error data = 0x%08X\n", 2502278366Sadrian dump.data); 2503278366Sadrian printf(" branch link = 0x%08X%08X\n", 2504278366Sadrian dump.blink[0], dump.blink[1]); 2505278366Sadrian printf(" interrupt link = 0x%08X%08X\n", 2506278366Sadrian dump.ilink[0], dump.ilink[1]); 2507278366Sadrian printf(" time = %u\n", dump.time); 2508278366Sadrian 2509278366Sadrian offset += sizeof (dump); 2510278366Sadrian } 2511278366Sadrian wpi_nic_unlock(sc); 2512278366Sadrian /* Dump driver status (TX and RX rings) while we're here. */ 2513278366Sadrian printf("driver status:\n"); 2514280071Sadrian WPI_TXQ_LOCK(sc); 2515280058Sadrian for (i = 0; i < WPI_DRV_NTXQUEUES; i++) { 2516278366Sadrian struct wpi_tx_ring *ring = &sc->txq[i]; 2517278366Sadrian printf(" tx ring %2d: qid=%-2d cur=%-3d queued=%-3d\n", 2518278366Sadrian i, ring->qid, ring->cur, ring->queued); 2519278366Sadrian } 2520280071Sadrian WPI_TXQ_UNLOCK(sc); 2521278366Sadrian printf(" rx ring: cur=%d\n", sc->rxq.cur); 2522173362Sbenjsc} 2523173362Sbenjsc 2524173362Sbenjscstatic void 2525173362Sbenjscwpi_intr(void *arg) 2526173362Sbenjsc{ 2527173362Sbenjsc struct wpi_softc *sc = arg; 2528278366Sadrian uint32_t r1, r2; 2529173362Sbenjsc 2530173362Sbenjsc WPI_LOCK(sc); 2531173362Sbenjsc 2532278366Sadrian /* Disable interrupts. */ 2533278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 2534278366Sadrian 2535278366Sadrian r1 = WPI_READ(sc, WPI_INT); 2536278366Sadrian 2537280065Sadrian if (r1 == 0xffffffff || (r1 & 0xfffffff0) == 0xa5a5a5a0) 2538280065Sadrian goto end; /* Hardware gone! */ 2539173362Sbenjsc 2540278366Sadrian r2 = WPI_READ(sc, WPI_FH_INT); 2541173362Sbenjsc 2542278366Sadrian DPRINTF(sc, WPI_DEBUG_INTR, "%s: reg1=0x%08x reg2=0x%08x\n", __func__, 2543278366Sadrian r1, r2); 2544278366Sadrian 2545278366Sadrian if (r1 == 0 && r2 == 0) 2546278366Sadrian goto done; /* Interrupt not for us. */ 2547278366Sadrian 2548278366Sadrian /* Acknowledge interrupts. */ 2549278366Sadrian WPI_WRITE(sc, WPI_INT, r1); 2550278366Sadrian WPI_WRITE(sc, WPI_FH_INT, r2); 2551278366Sadrian 2552278366Sadrian if (r1 & (WPI_INT_SW_ERR | WPI_INT_HW_ERR)) { 2553173362Sbenjsc device_printf(sc->sc_dev, "fatal firmware error\n"); 2554280093Sadrian#ifdef WPI_DEBUG 2555280093Sadrian wpi_debug_registers(sc); 2556280093Sadrian#endif 2557278366Sadrian wpi_fatal_intr(sc); 2558278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 2559278366Sadrian "(%s)\n", (r1 & WPI_INT_SW_ERR) ? "(Software Error)" : 2560278366Sadrian "(Hardware Error)"); 2561280120Sadrian taskqueue_enqueue(sc->sc_tq, &sc->sc_reinittask); 2562280065Sadrian goto end; 2563173362Sbenjsc } 2564173362Sbenjsc 2565278366Sadrian if ((r1 & (WPI_INT_FH_RX | WPI_INT_SW_RX)) || 2566278366Sadrian (r2 & WPI_FH_INT_RX)) 2567173362Sbenjsc wpi_notif_intr(sc); 2568173362Sbenjsc 2569278366Sadrian if (r1 & WPI_INT_ALIVE) 2570278366Sadrian wakeup(sc); /* Firmware is alive. */ 2571173362Sbenjsc 2572278366Sadrian if (r1 & WPI_INT_WAKEUP) 2573278366Sadrian wpi_wakeup_intr(sc); 2574173362Sbenjsc 2575278366Sadriandone: 2576278366Sadrian /* Re-enable interrupts. */ 2577287197Sglebius if (sc->sc_running) 2578278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 2579278366Sadrian 2580280065Sadrianend: WPI_UNLOCK(sc); 2581173362Sbenjsc} 2582173362Sbenjsc 2583278366Sadrianstatic int 2584278366Sadrianwpi_cmd2(struct wpi_softc *sc, struct wpi_buf *buf) 2585173362Sbenjsc{ 2586278366Sadrian struct ieee80211_frame *wh; 2587278366Sadrian struct wpi_tx_cmd *cmd; 2588278366Sadrian struct wpi_tx_data *data; 2589278366Sadrian struct wpi_tx_desc *desc; 2590278366Sadrian struct wpi_tx_ring *ring; 2591278366Sadrian struct mbuf *m1; 2592278366Sadrian bus_dma_segment_t *seg, segs[WPI_MAX_SCATTER]; 2593279763Sadrian int error, i, hdrlen, nsegs, totlen, pad; 2594173362Sbenjsc 2595280071Sadrian WPI_TXQ_LOCK(sc); 2596280071Sadrian 2597280082Sadrian KASSERT(buf->size <= sizeof(buf->data), ("buffer overflow")); 2598280082Sadrian 2599278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2600278366Sadrian 2601287197Sglebius if (sc->sc_running == 0) { 2602280071Sadrian /* wpi_stop() was called */ 2603280071Sadrian error = ENETDOWN; 2604280071Sadrian goto fail; 2605280071Sadrian } 2606280071Sadrian 2607278366Sadrian wh = mtod(buf->m, struct ieee80211_frame *); 2608279763Sadrian hdrlen = ieee80211_anyhdrsize(wh); 2609278366Sadrian totlen = buf->m->m_pkthdr.len; 2610278366Sadrian 2611279763Sadrian if (hdrlen & 3) { 2612279763Sadrian /* First segment length must be a multiple of 4. */ 2613279763Sadrian pad = 4 - (hdrlen & 3); 2614279763Sadrian } else 2615279763Sadrian pad = 0; 2616279763Sadrian 2617278366Sadrian ring = &sc->txq[buf->ac]; 2618278366Sadrian desc = &ring->desc[ring->cur]; 2619278366Sadrian data = &ring->data[ring->cur]; 2620278366Sadrian 2621278366Sadrian /* Prepare TX firmware command. */ 2622278366Sadrian cmd = &ring->cmd[ring->cur]; 2623278366Sadrian cmd->code = buf->code; 2624278366Sadrian cmd->flags = 0; 2625278366Sadrian cmd->qid = ring->qid; 2626278366Sadrian cmd->idx = ring->cur; 2627278366Sadrian 2628278366Sadrian memcpy(cmd->data, buf->data, buf->size); 2629278366Sadrian 2630278366Sadrian /* Save and trim IEEE802.11 header. */ 2631279763Sadrian memcpy((uint8_t *)(cmd->data + buf->size), wh, hdrlen); 2632279763Sadrian m_adj(buf->m, hdrlen); 2633278366Sadrian 2634278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, buf->m, 2635278366Sadrian segs, &nsegs, BUS_DMA_NOWAIT); 2636278366Sadrian if (error != 0 && error != EFBIG) { 2637278366Sadrian device_printf(sc->sc_dev, 2638278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, error); 2639280071Sadrian goto fail; 2640173362Sbenjsc } 2641278366Sadrian if (error != 0) { 2642278366Sadrian /* Too many DMA segments, linearize mbuf. */ 2643280050Sadrian m1 = m_collapse(buf->m, M_NOWAIT, WPI_MAX_SCATTER - 1); 2644278366Sadrian if (m1 == NULL) { 2645278366Sadrian device_printf(sc->sc_dev, 2646278366Sadrian "%s: could not defrag mbuf\n", __func__); 2647280071Sadrian error = ENOBUFS; 2648280071Sadrian goto fail; 2649278366Sadrian } 2650278366Sadrian buf->m = m1; 2651278366Sadrian 2652278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, 2653278366Sadrian buf->m, segs, &nsegs, BUS_DMA_NOWAIT); 2654278366Sadrian if (error != 0) { 2655278366Sadrian device_printf(sc->sc_dev, 2656280066Sadrian "%s: can't map mbuf (error %d)\n", __func__, 2657280066Sadrian error); 2658280071Sadrian goto fail; 2659278366Sadrian } 2660278366Sadrian } 2661278366Sadrian 2662280050Sadrian KASSERT(nsegs < WPI_MAX_SCATTER, 2663280050Sadrian ("too many DMA segments, nsegs (%d) should be less than %d", 2664280050Sadrian nsegs, WPI_MAX_SCATTER)); 2665280050Sadrian 2666278366Sadrian data->m = buf->m; 2667278366Sadrian data->ni = buf->ni; 2668278366Sadrian 2669278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: qid %d idx %d len %d nsegs %d\n", 2670278366Sadrian __func__, ring->qid, ring->cur, totlen, nsegs); 2671278366Sadrian 2672278366Sadrian /* Fill TX descriptor. */ 2673279763Sadrian desc->nsegs = WPI_PAD32(totlen + pad) << 4 | (1 + nsegs); 2674278366Sadrian /* First DMA segment is used by the TX command. */ 2675278366Sadrian desc->segs[0].addr = htole32(data->cmd_paddr); 2676279763Sadrian desc->segs[0].len = htole32(4 + buf->size + hdrlen + pad); 2677278366Sadrian /* Other DMA segments are for data payload. */ 2678278366Sadrian seg = &segs[0]; 2679278366Sadrian for (i = 1; i <= nsegs; i++) { 2680278366Sadrian desc->segs[i].addr = htole32(seg->ds_addr); 2681278366Sadrian desc->segs[i].len = htole32(seg->ds_len); 2682278366Sadrian seg++; 2683278366Sadrian } 2684278366Sadrian 2685278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); 2686278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2687278366Sadrian BUS_DMASYNC_PREWRITE); 2688278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2689278366Sadrian BUS_DMASYNC_PREWRITE); 2690278366Sadrian 2691278366Sadrian /* Kick TX ring. */ 2692278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2693282400Sadrian sc->sc_update_tx_ring(sc, ring); 2694278366Sadrian 2695280075Sadrian if (ring->qid < WPI_CMD_QUEUE_NUM) { 2696280075Sadrian /* Mark TX ring as full if we reach a certain threshold. */ 2697280112Sadrian WPI_TXQ_STATE_LOCK(sc); 2698287197Sglebius if (++ring->queued > WPI_TX_RING_HIMARK) 2699280075Sadrian sc->qfullmsk |= 1 << ring->qid; 2700280109Sadrian callout_reset(&sc->tx_timeout, 5*hz, wpi_tx_timeout, sc); 2701280112Sadrian WPI_TXQ_STATE_UNLOCK(sc); 2702280075Sadrian } 2703280074Sadrian 2704278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2705278366Sadrian 2706280071Sadrian WPI_TXQ_UNLOCK(sc); 2707280071Sadrian 2708278366Sadrian return 0; 2709280071Sadrian 2710280071Sadrianfail: m_freem(buf->m); 2711280071Sadrian 2712280071Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2713280071Sadrian 2714280071Sadrian WPI_TXQ_UNLOCK(sc); 2715280071Sadrian 2716280071Sadrian return error; 2717173362Sbenjsc} 2718173362Sbenjsc 2719173362Sbenjsc/* 2720278366Sadrian * Construct the data packet for a transmit buffer. 2721173362Sbenjsc */ 2722173362Sbenjscstatic int 2723278366Sadrianwpi_tx_data(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2724173362Sbenjsc{ 2725278366Sadrian const struct ieee80211_txparam *tp; 2726178354Ssam struct ieee80211vap *vap = ni->ni_vap; 2727278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2728280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 2729278366Sadrian struct ieee80211_channel *chan; 2730173362Sbenjsc struct ieee80211_frame *wh; 2731278366Sadrian struct ieee80211_key *k = NULL; 2732278366Sadrian struct wpi_buf tx_data; 2733280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2734278366Sadrian uint32_t flags; 2735278366Sadrian uint16_t qos; 2736278366Sadrian uint8_t tid, type; 2737280068Sadrian int ac, error, swcrypt, rate, ismcast, totlen; 2738173362Sbenjsc 2739278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2740278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2741278366Sadrian ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 2742173362Sbenjsc 2743278366Sadrian /* Select EDCA Access Category and TX ring for this frame. */ 2744278366Sadrian if (IEEE80211_QOS_HAS_SEQ(wh)) { 2745282391Sadrian qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 2746278366Sadrian tid = qos & IEEE80211_QOS_TID; 2747278366Sadrian } else { 2748278366Sadrian qos = 0; 2749278366Sadrian tid = 0; 2750280059Sadrian } 2751278366Sadrian ac = M_WME_GETAC(m); 2752173362Sbenjsc 2753278366Sadrian chan = (ni->ni_chan != IEEE80211_CHAN_ANYC) ? 2754278366Sadrian ni->ni_chan : ic->ic_curchan; 2755278366Sadrian tp = &vap->iv_txparms[ieee80211_chan2mode(chan)]; 2756173362Sbenjsc 2757278366Sadrian /* Choose a TX rate index. */ 2758278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) 2759278366Sadrian rate = tp->mgmtrate; 2760278366Sadrian else if (ismcast) 2761278366Sadrian rate = tp->mcastrate; 2762278366Sadrian else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2763278366Sadrian rate = tp->ucastrate; 2764278366Sadrian else if (m->m_flags & M_EAPOL) 2765278366Sadrian rate = tp->mgmtrate; 2766278366Sadrian else { 2767278366Sadrian /* XXX pass pktlen */ 2768278366Sadrian (void) ieee80211_ratectl_rate(ni, NULL, 0); 2769278366Sadrian rate = ni->ni_txrate; 2770278366Sadrian } 2771278366Sadrian 2772278366Sadrian /* Encrypt the frame if need be. */ 2773260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2774278366Sadrian /* Retrieve key for TX. */ 2775278366Sadrian k = ieee80211_crypto_encap(ni, m); 2776177043Sthompsa if (k == NULL) { 2777278366Sadrian error = ENOBUFS; 2778278366Sadrian goto fail; 2779173362Sbenjsc } 2780280068Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2781280068Sadrian 2782278366Sadrian /* 802.11 header may have moved. */ 2783278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2784173362Sbenjsc } 2785279763Sadrian totlen = m->m_pkthdr.len; 2786173362Sbenjsc 2787278366Sadrian if (ieee80211_radiotap_active_vap(vap)) { 2788278366Sadrian struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2789173362Sbenjsc 2790279763Sadrian tap->wt_flags = 0; 2791278366Sadrian tap->wt_rate = rate; 2792278366Sadrian if (k != NULL) 2793278366Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2794173362Sbenjsc 2795278366Sadrian ieee80211_radiotap_tx(vap, m); 2796278366Sadrian } 2797278366Sadrian 2798278366Sadrian flags = 0; 2799177119Ssam if (!ismcast) { 2800278366Sadrian /* Unicast frame, check if an ACK is expected. */ 2801278366Sadrian if (!qos || (qos & IEEE80211_QOS_ACKPOLICY) != 2802278366Sadrian IEEE80211_QOS_ACKPOLICY_NOACK) 2803278366Sadrian flags |= WPI_TX_NEED_ACK; 2804278366Sadrian } 2805278366Sadrian 2806282399Sadrian if (!IEEE80211_QOS_HAS_SEQ(wh)) 2807282399Sadrian flags |= WPI_TX_AUTO_SEQ; 2808278764Sadrian if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) 2809278764Sadrian flags |= WPI_TX_MORE_FRAG; /* Cannot happen yet. */ 2810278764Sadrian 2811278366Sadrian /* Check if frame must be protected using RTS/CTS or CTS-to-self. */ 2812278366Sadrian if (!ismcast) { 2813278366Sadrian /* NB: Group frames are sent using CCK in 802.11b/g. */ 2814278366Sadrian if (totlen + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) { 2815278366Sadrian flags |= WPI_TX_NEED_RTS; 2816278366Sadrian } else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2817278366Sadrian WPI_RATE_IS_OFDM(rate)) { 2818278366Sadrian if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2819278366Sadrian flags |= WPI_TX_NEED_CTS; 2820278366Sadrian else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2821278366Sadrian flags |= WPI_TX_NEED_RTS; 2822177043Sthompsa } 2823278366Sadrian 2824278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2825278366Sadrian flags |= WPI_TX_FULL_TXOP; 2826173362Sbenjsc } 2827278366Sadrian 2828280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2829278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2830173362Sbenjsc uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2831278366Sadrian 2832278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2833173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2834278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2835173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2836177043Sthompsa subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2837280082Sadrian tx->timeout = htole16(3); 2838173362Sbenjsc else 2839280082Sadrian tx->timeout = htole16(2); 2840177043Sthompsa } 2841173362Sbenjsc 2842278366Sadrian if (ismcast || type != IEEE80211_FC0_TYPE_DATA) 2843280082Sadrian tx->id = WPI_ID_BROADCAST; 2844278366Sadrian else { 2845278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 2846278366Sadrian device_printf(sc->sc_dev, 2847278366Sadrian "%s: undefined node id\n", __func__); 2848278366Sadrian error = EINVAL; 2849278366Sadrian goto fail; 2850278366Sadrian } 2851278366Sadrian 2852280082Sadrian tx->id = wn->id; 2853278366Sadrian } 2854278366Sadrian 2855280068Sadrian if (k != NULL && !swcrypt) { 2856280068Sadrian switch (k->wk_cipher->ic_cipher) { 2857280068Sadrian case IEEE80211_CIPHER_AES_CCM: 2858280082Sadrian tx->security = WPI_CIPHER_CCMP; 2859280068Sadrian break; 2860280068Sadrian 2861280068Sadrian default: 2862280068Sadrian break; 2863280068Sadrian } 2864280068Sadrian 2865280082Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 2866280068Sadrian } 2867280068Sadrian 2868280082Sadrian tx->len = htole16(totlen); 2869280082Sadrian tx->flags = htole32(flags); 2870280082Sadrian tx->plcp = rate2plcp(rate); 2871280082Sadrian tx->tid = tid; 2872280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 2873280082Sadrian tx->ofdm_mask = 0xff; 2874280082Sadrian tx->cck_mask = 0x0f; 2875280082Sadrian tx->rts_ntries = 7; 2876282373Sadrian tx->data_ntries = tp->maxretry; 2877278366Sadrian 2878278366Sadrian tx_data.ni = ni; 2879278366Sadrian tx_data.m = m; 2880280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 2881278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2882278366Sadrian tx_data.ac = ac; 2883278366Sadrian 2884278366Sadrian return wpi_cmd2(sc, &tx_data); 2885278366Sadrian 2886278366Sadrianfail: m_freem(m); 2887278366Sadrian return error; 2888278366Sadrian} 2889278366Sadrian 2890278366Sadrianstatic int 2891280066Sadrianwpi_tx_data_raw(struct wpi_softc *sc, struct mbuf *m, 2892280066Sadrian struct ieee80211_node *ni, const struct ieee80211_bpf_params *params) 2893278366Sadrian{ 2894278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 2895280087Sadrian struct ieee80211_key *k = NULL; 2896278366Sadrian struct ieee80211_frame *wh; 2897278366Sadrian struct wpi_buf tx_data; 2898280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2899278366Sadrian uint32_t flags; 2900278366Sadrian uint8_t type; 2901280087Sadrian int ac, rate, swcrypt, totlen; 2902278366Sadrian 2903278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2904278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2905278366Sadrian 2906278366Sadrian ac = params->ibp_pri & 3; 2907278366Sadrian 2908278366Sadrian /* Choose a TX rate index. */ 2909278366Sadrian rate = params->ibp_rate0; 2910278366Sadrian 2911278366Sadrian flags = 0; 2912282399Sadrian if (!IEEE80211_QOS_HAS_SEQ(wh)) 2913282399Sadrian flags |= WPI_TX_AUTO_SEQ; 2914278366Sadrian if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2915278366Sadrian flags |= WPI_TX_NEED_ACK; 2916278366Sadrian if (params->ibp_flags & IEEE80211_BPF_RTS) 2917278366Sadrian flags |= WPI_TX_NEED_RTS; 2918278366Sadrian if (params->ibp_flags & IEEE80211_BPF_CTS) 2919278366Sadrian flags |= WPI_TX_NEED_CTS; 2920278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2921278366Sadrian flags |= WPI_TX_FULL_TXOP; 2922278366Sadrian 2923280087Sadrian /* Encrypt the frame if need be. */ 2924280087Sadrian if (params->ibp_flags & IEEE80211_BPF_CRYPTO) { 2925280087Sadrian /* Retrieve key for TX. */ 2926280087Sadrian k = ieee80211_crypto_encap(ni, m); 2927280087Sadrian if (k == NULL) { 2928280087Sadrian m_freem(m); 2929280087Sadrian return ENOBUFS; 2930280087Sadrian } 2931280087Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2932280087Sadrian 2933280087Sadrian /* 802.11 header may have moved. */ 2934280087Sadrian wh = mtod(m, struct ieee80211_frame *); 2935280087Sadrian } 2936280087Sadrian totlen = m->m_pkthdr.len; 2937280087Sadrian 2938192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2939177043Sthompsa struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2940278366Sadrian 2941177043Sthompsa tap->wt_flags = 0; 2942177043Sthompsa tap->wt_rate = rate; 2943280087Sadrian if (params->ibp_flags & IEEE80211_BPF_CRYPTO) 2944280087Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2945178354Ssam 2946278366Sadrian ieee80211_radiotap_tx(vap, m); 2947177043Sthompsa } 2948173362Sbenjsc 2949280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2950278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2951278366Sadrian uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2952173362Sbenjsc 2953278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2954278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2955278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2956278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2957278366Sadrian subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2958280082Sadrian tx->timeout = htole16(3); 2959278366Sadrian else 2960280082Sadrian tx->timeout = htole16(2); 2961173362Sbenjsc } 2962173362Sbenjsc 2963280087Sadrian if (k != NULL && !swcrypt) { 2964280087Sadrian switch (k->wk_cipher->ic_cipher) { 2965280087Sadrian case IEEE80211_CIPHER_AES_CCM: 2966280087Sadrian tx->security = WPI_CIPHER_CCMP; 2967280087Sadrian break; 2968280087Sadrian 2969280087Sadrian default: 2970280087Sadrian break; 2971280087Sadrian } 2972280087Sadrian 2973280087Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 2974280087Sadrian } 2975280087Sadrian 2976280082Sadrian tx->len = htole16(totlen); 2977280082Sadrian tx->flags = htole32(flags); 2978280082Sadrian tx->plcp = rate2plcp(rate); 2979280082Sadrian tx->id = WPI_ID_BROADCAST; 2980280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 2981280082Sadrian tx->rts_ntries = params->ibp_try1; 2982280082Sadrian tx->data_ntries = params->ibp_try0; 2983278366Sadrian 2984278366Sadrian tx_data.ni = ni; 2985278366Sadrian tx_data.m = m; 2986280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 2987278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2988278366Sadrian tx_data.ac = ac; 2989278366Sadrian 2990278366Sadrian return wpi_cmd2(sc, &tx_data); 2991278366Sadrian} 2992278366Sadrian 2993287197Sglebiusstatic __inline int 2994287197Sglebiuswpi_tx_ring_is_full(struct wpi_softc *sc, int ac) 2995287197Sglebius{ 2996287197Sglebius struct wpi_tx_ring *ring = &sc->txq[ac]; 2997287197Sglebius int retval; 2998287197Sglebius 2999287197Sglebius WPI_TXQ_STATE_LOCK(sc); 3000287197Sglebius retval = (ring->queued > WPI_TX_RING_HIMARK); 3001287197Sglebius WPI_TXQ_STATE_UNLOCK(sc); 3002287197Sglebius 3003287197Sglebius return retval; 3004287197Sglebius} 3005287197Sglebius 3006287197Sglebiusstatic __inline void 3007287197Sglebiuswpi_handle_tx_failure(struct ieee80211_node *ni) 3008287197Sglebius{ 3009287197Sglebius /* NB: m is reclaimed on tx failure */ 3010287197Sglebius if_inc_counter(ni->ni_vap->iv_ifp, IFCOUNTER_OERRORS, 1); 3011287197Sglebius ieee80211_free_node(ni); 3012287197Sglebius} 3013287197Sglebius 3014278366Sadrianstatic int 3015278366Sadrianwpi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 3016278366Sadrian const struct ieee80211_bpf_params *params) 3017278366Sadrian{ 3018278366Sadrian struct ieee80211com *ic = ni->ni_ic; 3019286865Sadrian struct wpi_softc *sc = ic->ic_softc; 3020287197Sglebius int ac, error = 0; 3021278366Sadrian 3022278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3023278366Sadrian 3024287197Sglebius ac = M_WME_GETAC(m); 3025287197Sglebius 3026287197Sglebius WPI_TX_LOCK(sc); 3027287197Sglebius 3028287197Sglebius if (sc->sc_running == 0 || wpi_tx_ring_is_full(sc, ac)) { 3029278366Sadrian m_freem(m); 3030287197Sglebius error = sc->sc_running ? ENOBUFS : ENETDOWN; 3031287197Sglebius goto unlock; 3032173362Sbenjsc } 3033173362Sbenjsc 3034278366Sadrian if (params == NULL) { 3035278366Sadrian /* 3036278366Sadrian * Legacy path; interpret frame contents to decide 3037278366Sadrian * precisely how to send the frame. 3038278366Sadrian */ 3039278366Sadrian error = wpi_tx_data(sc, m, ni); 3040278366Sadrian } else { 3041278366Sadrian /* 3042278366Sadrian * Caller supplied explicit parameters to use in 3043278366Sadrian * sending the frame. 3044278366Sadrian */ 3045278366Sadrian error = wpi_tx_data_raw(sc, m, ni, params); 3046278366Sadrian } 3047173362Sbenjsc 3048287197Sglebiusunlock: WPI_TX_UNLOCK(sc); 3049287197Sglebius 3050286437Sadrian if (error != 0) { 3051287197Sglebius wpi_handle_tx_failure(ni); 3052278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3053278366Sadrian 3054278366Sadrian return error; 3055173362Sbenjsc } 3056173362Sbenjsc 3057278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3058173362Sbenjsc 3059173362Sbenjsc return 0; 3060173362Sbenjsc} 3061173362Sbenjsc 3062287197Sglebiusstatic int 3063287197Sglebiuswpi_transmit(struct ieee80211com *ic, struct mbuf *m) 3064173362Sbenjsc{ 3065287197Sglebius struct wpi_softc *sc = ic->ic_softc; 3066173362Sbenjsc struct ieee80211_node *ni; 3067287197Sglebius struct mbufq *sndq; 3068287197Sglebius int ac, error; 3069173362Sbenjsc 3070280113Sadrian WPI_TX_LOCK(sc); 3071278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: called\n", __func__); 3072278366Sadrian 3073287197Sglebius /* Check if interface is up & running. */ 3074287197Sglebius if (sc->sc_running == 0) { 3075287197Sglebius error = ENXIO; 3076287197Sglebius goto unlock; 3077287197Sglebius } 3078280110Sadrian 3079287197Sglebius /* Check for available space. */ 3080287197Sglebius ac = M_WME_GETAC(m); 3081287197Sglebius sndq = &sc->txq[ac].snd; 3082287197Sglebius if (wpi_tx_ring_is_full(sc, ac) || mbufq_len(sndq) != 0) { 3083287197Sglebius /* wpi_tx_done() will dequeue it. */ 3084287197Sglebius error = mbufq_enqueue(sndq, m); 3085287197Sglebius goto unlock; 3086178354Ssam } 3087278366Sadrian 3088287197Sglebius error = 0; 3089287197Sglebius ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 3090287197Sglebius if (wpi_tx_data(sc, m, ni) != 0) { 3091287197Sglebius wpi_handle_tx_failure(ni); 3092287197Sglebius } 3093287197Sglebius 3094278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: done\n", __func__); 3095287197Sglebius 3096287197Sglebiusunlock: WPI_TX_UNLOCK(sc); 3097287197Sglebius 3098287197Sglebius return (error); 3099178354Ssam} 3100173362Sbenjsc 3101287197Sglebius/** 3102287197Sglebius * Process data waiting to be sent on the output queue 3103287197Sglebius */ 3104278366Sadrianstatic void 3105287197Sglebiuswpi_start(void *arg0, int pending) 3106280078Sadrian{ 3107280078Sadrian struct wpi_softc *sc = arg0; 3108287197Sglebius struct ieee80211_node *ni; 3109287197Sglebius struct mbuf *m; 3110287197Sglebius uint8_t i; 3111280078Sadrian 3112287197Sglebius WPI_TX_LOCK(sc); 3113287197Sglebius if (sc->sc_running == 0) 3114287197Sglebius goto unlock; 3115287197Sglebius 3116287197Sglebius DPRINTF(sc, WPI_DEBUG_XMIT, "%s: called\n", __func__); 3117287197Sglebius 3118287197Sglebius for (i = 0; i < WPI_CMD_QUEUE_NUM; i++) { 3119287197Sglebius struct mbufq *sndq = &sc->txq[i].snd; 3120287197Sglebius 3121287197Sglebius for (;;) { 3122287197Sglebius if (wpi_tx_ring_is_full(sc, i)) 3123287197Sglebius break; 3124287197Sglebius 3125287197Sglebius if ((m = mbufq_dequeue(sndq)) == NULL) 3126287197Sglebius break; 3127287197Sglebius 3128287197Sglebius ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 3129287197Sglebius if (wpi_tx_data(sc, m, ni) != 0) { 3130287197Sglebius wpi_handle_tx_failure(ni); 3131287197Sglebius } 3132287197Sglebius } 3133287197Sglebius } 3134287197Sglebius 3135287197Sglebius DPRINTF(sc, WPI_DEBUG_XMIT, "%s: done\n", __func__); 3136287197Sglebiusunlock: WPI_TX_UNLOCK(sc); 3137280078Sadrian} 3138280078Sadrian 3139280078Sadrianstatic void 3140278366Sadrianwpi_watchdog_rfkill(void *arg) 3141178354Ssam{ 3142278366Sadrian struct wpi_softc *sc = arg; 3143287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3144173362Sbenjsc 3145278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "RFkill Watchdog: tick\n"); 3146278366Sadrian 3147278366Sadrian /* No need to lock firmware memory. */ 3148278366Sadrian if ((wpi_prph_read(sc, WPI_APMG_RFKILL) & 0x1) == 0) { 3149278366Sadrian /* Radio kill switch is still off. */ 3150278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 3151278366Sadrian sc); 3152278366Sadrian } else 3153278366Sadrian ieee80211_runtask(ic, &sc->sc_radioon_task); 3154278366Sadrian} 3155278366Sadrian 3156280106Sadrianstatic void 3157280106Sadrianwpi_scan_timeout(void *arg) 3158280106Sadrian{ 3159280106Sadrian struct wpi_softc *sc = arg; 3160287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3161280106Sadrian 3162287197Sglebius ic_printf(ic, "scan timeout\n"); 3163280120Sadrian taskqueue_enqueue(sc->sc_tq, &sc->sc_reinittask); 3164280106Sadrian} 3165280106Sadrian 3166278366Sadrianstatic void 3167280109Sadrianwpi_tx_timeout(void *arg) 3168278366Sadrian{ 3169278366Sadrian struct wpi_softc *sc = arg; 3170287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3171278366Sadrian 3172287197Sglebius ic_printf(ic, "device timeout\n"); 3173280120Sadrian taskqueue_enqueue(sc->sc_tq, &sc->sc_reinittask); 3174173362Sbenjsc} 3175173362Sbenjsc 3176287197Sglebiusstatic void 3177287197Sglebiuswpi_parent(struct ieee80211com *ic) 3178173362Sbenjsc{ 3179287197Sglebius struct wpi_softc *sc = ic->ic_softc; 3180278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3181173362Sbenjsc 3182287197Sglebius if (ic->ic_nrunning > 0) { 3183287197Sglebius if (wpi_init(sc) == 0) { 3184287197Sglebius ieee80211_notify_radio(ic, 1); 3185287197Sglebius ieee80211_start_all(ic); 3186287197Sglebius } else { 3187287197Sglebius ieee80211_notify_radio(ic, 0); 3188287197Sglebius ieee80211_stop(vap); 3189287197Sglebius } 3190287197Sglebius } else 3191287197Sglebius wpi_stop(sc); 3192173362Sbenjsc} 3193173362Sbenjsc 3194173362Sbenjsc/* 3195173362Sbenjsc * Send a command to the firmware. 3196173362Sbenjsc */ 3197173362Sbenjscstatic int 3198278366Sadrianwpi_cmd(struct wpi_softc *sc, int code, const void *buf, size_t size, 3199278366Sadrian int async) 3200173362Sbenjsc{ 3201280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 3202173362Sbenjsc struct wpi_tx_desc *desc; 3203278366Sadrian struct wpi_tx_data *data; 3204173362Sbenjsc struct wpi_tx_cmd *cmd; 3205278366Sadrian struct mbuf *m; 3206278366Sadrian bus_addr_t paddr; 3207278366Sadrian int totlen, error; 3208173362Sbenjsc 3209280071Sadrian WPI_TXQ_LOCK(sc); 3210280071Sadrian 3211278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3212278366Sadrian 3213287197Sglebius if (sc->sc_running == 0) { 3214280071Sadrian /* wpi_stop() was called */ 3215287197Sglebius if (code == WPI_CMD_SCAN) 3216287197Sglebius error = ENETDOWN; 3217287197Sglebius else 3218287197Sglebius error = 0; 3219287197Sglebius 3220280071Sadrian goto fail; 3221280071Sadrian } 3222280071Sadrian 3223278366Sadrian if (async == 0) 3224173362Sbenjsc WPI_LOCK_ASSERT(sc); 3225173362Sbenjsc 3226280101Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "%s: cmd %s size %zu async %d\n", 3227280101Sadrian __func__, wpi_cmd_str(code), size, async); 3228173362Sbenjsc 3229173362Sbenjsc desc = &ring->desc[ring->cur]; 3230278366Sadrian data = &ring->data[ring->cur]; 3231278366Sadrian totlen = 4 + size; 3232173362Sbenjsc 3233278366Sadrian if (size > sizeof cmd->data) { 3234278366Sadrian /* Command is too large to fit in a descriptor. */ 3235280071Sadrian if (totlen > MCLBYTES) { 3236280071Sadrian error = EINVAL; 3237280071Sadrian goto fail; 3238280071Sadrian } 3239278366Sadrian m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 3240280071Sadrian if (m == NULL) { 3241280071Sadrian error = ENOMEM; 3242280071Sadrian goto fail; 3243280071Sadrian } 3244278366Sadrian cmd = mtod(m, struct wpi_tx_cmd *); 3245278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, cmd, 3246278366Sadrian totlen, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 3247278366Sadrian if (error != 0) { 3248278366Sadrian m_freem(m); 3249280071Sadrian goto fail; 3250278366Sadrian } 3251278366Sadrian data->m = m; 3252278366Sadrian } else { 3253278366Sadrian cmd = &ring->cmd[ring->cur]; 3254278366Sadrian paddr = data->cmd_paddr; 3255278366Sadrian } 3256278366Sadrian 3257173362Sbenjsc cmd->code = code; 3258173362Sbenjsc cmd->flags = 0; 3259173362Sbenjsc cmd->qid = ring->qid; 3260173362Sbenjsc cmd->idx = ring->cur; 3261173362Sbenjsc memcpy(cmd->data, buf, size); 3262173362Sbenjsc 3263278366Sadrian desc->nsegs = 1 + (WPI_PAD32(size) << 4); 3264278366Sadrian desc->segs[0].addr = htole32(paddr); 3265278366Sadrian desc->segs[0].len = htole32(totlen); 3266173362Sbenjsc 3267278366Sadrian if (size > sizeof cmd->data) { 3268278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 3269278366Sadrian BUS_DMASYNC_PREWRITE); 3270278366Sadrian } else { 3271278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 3272278366Sadrian BUS_DMASYNC_PREWRITE); 3273278366Sadrian } 3274278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 3275278366Sadrian BUS_DMASYNC_PREWRITE); 3276173362Sbenjsc 3277278366Sadrian /* Kick command ring. */ 3278278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 3279282400Sadrian sc->sc_update_tx_ring(sc, ring); 3280278366Sadrian 3281278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3282278366Sadrian 3283280071Sadrian WPI_TXQ_UNLOCK(sc); 3284280071Sadrian 3285287197Sglebius return async ? 0 : mtx_sleep(cmd, &sc->sc_mtx, PCATCH, "wpicmd", hz); 3286173362Sbenjsc 3287280071Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3288280071Sadrian 3289280071Sadrian WPI_TXQ_UNLOCK(sc); 3290280071Sadrian 3291280071Sadrian return error; 3292173362Sbenjsc} 3293173362Sbenjsc 3294173362Sbenjsc/* 3295278366Sadrian * Configure HW multi-rate retries. 3296173362Sbenjsc */ 3297173362Sbenjscstatic int 3298173362Sbenjscwpi_mrr_setup(struct wpi_softc *sc) 3299173362Sbenjsc{ 3300287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3301173362Sbenjsc struct wpi_mrr_setup mrr; 3302173362Sbenjsc int i, error; 3303173362Sbenjsc 3304278366Sadrian /* CCK rates (not used with 802.11a). */ 3305278366Sadrian for (i = WPI_RIDX_CCK1; i <= WPI_RIDX_CCK11; i++) { 3306173362Sbenjsc mrr.rates[i].flags = 0; 3307278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3308278366Sadrian /* Fallback to the immediate lower CCK rate (if any.) */ 3309278366Sadrian mrr.rates[i].next = 3310278366Sadrian (i == WPI_RIDX_CCK1) ? WPI_RIDX_CCK1 : i - 1; 3311282369Sadrian /* Try twice at this rate before falling back to "next". */ 3312282369Sadrian mrr.rates[i].ntries = WPI_NTRIES_DEFAULT; 3313173362Sbenjsc } 3314278366Sadrian /* OFDM rates (not used with 802.11b). */ 3315278366Sadrian for (i = WPI_RIDX_OFDM6; i <= WPI_RIDX_OFDM54; i++) { 3316173362Sbenjsc mrr.rates[i].flags = 0; 3317278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3318278366Sadrian /* Fallback to the immediate lower rate (if any.) */ 3319278366Sadrian /* We allow fallback from OFDM/6 to CCK/2 in 11b/g mode. */ 3320278366Sadrian mrr.rates[i].next = (i == WPI_RIDX_OFDM6) ? 3321173362Sbenjsc ((ic->ic_curmode == IEEE80211_MODE_11A) ? 3322278366Sadrian WPI_RIDX_OFDM6 : WPI_RIDX_CCK2) : 3323173362Sbenjsc i - 1; 3324282369Sadrian /* Try twice at this rate before falling back to "next". */ 3325282369Sadrian mrr.rates[i].ntries = WPI_NTRIES_DEFAULT; 3326173362Sbenjsc } 3327278366Sadrian /* Setup MRR for control frames. */ 3328278366Sadrian mrr.which = htole32(WPI_MRR_CTL); 3329173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3330173362Sbenjsc if (error != 0) { 3331173362Sbenjsc device_printf(sc->sc_dev, 3332173362Sbenjsc "could not setup MRR for control frames\n"); 3333173362Sbenjsc return error; 3334173362Sbenjsc } 3335278366Sadrian /* Setup MRR for data frames. */ 3336278366Sadrian mrr.which = htole32(WPI_MRR_DATA); 3337173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3338173362Sbenjsc if (error != 0) { 3339173362Sbenjsc device_printf(sc->sc_dev, 3340173362Sbenjsc "could not setup MRR for data frames\n"); 3341173362Sbenjsc return error; 3342173362Sbenjsc } 3343173362Sbenjsc return 0; 3344173362Sbenjsc} 3345173362Sbenjsc 3346278366Sadrianstatic int 3347278366Sadrianwpi_add_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3348278366Sadrian{ 3349278366Sadrian struct ieee80211com *ic = ni->ni_ic; 3350280088Sadrian struct wpi_vap *wvp = WPI_VAP(ni->ni_vap); 3351280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3352278366Sadrian struct wpi_node_info node; 3353280088Sadrian int error; 3354278366Sadrian 3355278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3356278366Sadrian 3357278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 3358278366Sadrian return EINVAL; 3359278366Sadrian 3360278366Sadrian memset(&node, 0, sizeof node); 3361279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3362278366Sadrian node.id = wn->id; 3363278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3364278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3365278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3366278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3367278366Sadrian 3368280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: adding node %d (%s)\n", __func__, 3369280094Sadrian wn->id, ether_sprintf(ni->ni_macaddr)); 3370280094Sadrian 3371280088Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 3372280088Sadrian if (error != 0) { 3373280088Sadrian device_printf(sc->sc_dev, 3374280088Sadrian "%s: wpi_cmd() call failed with error code %d\n", __func__, 3375280088Sadrian error); 3376280088Sadrian return error; 3377280088Sadrian } 3378280088Sadrian 3379280088Sadrian if (wvp->wv_gtk != 0) { 3380280088Sadrian error = wpi_set_global_keys(ni); 3381280088Sadrian if (error != 0) { 3382280088Sadrian device_printf(sc->sc_dev, 3383280088Sadrian "%s: error while setting global keys\n", __func__); 3384280088Sadrian return ENXIO; 3385280088Sadrian } 3386280088Sadrian } 3387280088Sadrian 3388280088Sadrian return 0; 3389278366Sadrian} 3390278366Sadrian 3391278366Sadrian/* 3392278366Sadrian * Broadcast node is used to send group-addressed and management frames. 3393278366Sadrian */ 3394278366Sadrianstatic int 3395278366Sadrianwpi_add_broadcast_node(struct wpi_softc *sc, int async) 3396278366Sadrian{ 3397287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3398278366Sadrian struct wpi_node_info node; 3399278366Sadrian 3400278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3401278366Sadrian 3402278366Sadrian memset(&node, 0, sizeof node); 3403287197Sglebius IEEE80211_ADDR_COPY(node.macaddr, ieee80211broadcastaddr); 3404278366Sadrian node.id = WPI_ID_BROADCAST; 3405278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3406278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3407278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3408278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3409278366Sadrian 3410280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: adding broadcast node\n", __func__); 3411280094Sadrian 3412278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, async); 3413278366Sadrian} 3414278366Sadrian 3415278366Sadrianstatic int 3416280070Sadrianwpi_add_sta_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3417280070Sadrian{ 3418280070Sadrian struct wpi_node *wn = WPI_NODE(ni); 3419280070Sadrian int error; 3420280070Sadrian 3421280070Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3422280070Sadrian 3423280070Sadrian wn->id = wpi_add_node_entry_sta(sc); 3424280070Sadrian 3425280070Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3426280070Sadrian wpi_del_node_entry(sc, wn->id); 3427280070Sadrian wn->id = WPI_ID_UNDEFINED; 3428280070Sadrian return error; 3429280070Sadrian } 3430280070Sadrian 3431280070Sadrian return 0; 3432280070Sadrian} 3433280070Sadrian 3434280070Sadrianstatic int 3435278366Sadrianwpi_add_ibss_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3436278366Sadrian{ 3437280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3438280069Sadrian int error; 3439278366Sadrian 3440280100Sadrian KASSERT(wn->id == WPI_ID_UNDEFINED, 3441280100Sadrian ("the node %d was added before", wn->id)); 3442280100Sadrian 3443278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3444278366Sadrian 3445280069Sadrian if ((wn->id = wpi_add_node_entry_adhoc(sc)) == WPI_ID_UNDEFINED) { 3446280069Sadrian device_printf(sc->sc_dev, "%s: h/w table is full\n", __func__); 3447280069Sadrian return ENOMEM; 3448280069Sadrian } 3449278366Sadrian 3450280069Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3451280069Sadrian wpi_del_node_entry(sc, wn->id); 3452280069Sadrian wn->id = WPI_ID_UNDEFINED; 3453280069Sadrian return error; 3454280069Sadrian } 3455278366Sadrian 3456280069Sadrian return 0; 3457278366Sadrian} 3458278366Sadrian 3459173362Sbenjscstatic void 3460278366Sadrianwpi_del_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3461278366Sadrian{ 3462280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3463278366Sadrian struct wpi_cmd_del_node node; 3464278366Sadrian int error; 3465278366Sadrian 3466280100Sadrian KASSERT(wn->id != WPI_ID_UNDEFINED, ("undefined node id passed")); 3467280100Sadrian 3468278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3469278366Sadrian 3470278366Sadrian memset(&node, 0, sizeof node); 3471279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3472278366Sadrian node.count = 1; 3473278366Sadrian 3474280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: deleting node %d (%s)\n", __func__, 3475280094Sadrian wn->id, ether_sprintf(ni->ni_macaddr)); 3476280094Sadrian 3477278366Sadrian error = wpi_cmd(sc, WPI_CMD_DEL_NODE, &node, sizeof node, 1); 3478278366Sadrian if (error != 0) { 3479278366Sadrian device_printf(sc->sc_dev, 3480278366Sadrian "%s: could not delete node %u, error %d\n", __func__, 3481278366Sadrian wn->id, error); 3482278366Sadrian } 3483278366Sadrian} 3484278366Sadrian 3485278366Sadrianstatic int 3486278366Sadrianwpi_updateedca(struct ieee80211com *ic) 3487278366Sadrian{ 3488278366Sadrian#define WPI_EXP2(x) ((1 << (x)) - 1) /* CWmin = 2^ECWmin - 1 */ 3489286865Sadrian struct wpi_softc *sc = ic->ic_softc; 3490278366Sadrian struct wpi_edca_params cmd; 3491278366Sadrian int aci, error; 3492278366Sadrian 3493278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3494278366Sadrian 3495278366Sadrian memset(&cmd, 0, sizeof cmd); 3496278366Sadrian cmd.flags = htole32(WPI_EDCA_UPDATE); 3497278366Sadrian for (aci = 0; aci < WME_NUM_AC; aci++) { 3498278366Sadrian const struct wmeParams *ac = 3499278366Sadrian &ic->ic_wme.wme_chanParams.cap_wmeParams[aci]; 3500278366Sadrian cmd.ac[aci].aifsn = ac->wmep_aifsn; 3501278366Sadrian cmd.ac[aci].cwmin = htole16(WPI_EXP2(ac->wmep_logcwmin)); 3502278366Sadrian cmd.ac[aci].cwmax = htole16(WPI_EXP2(ac->wmep_logcwmax)); 3503278366Sadrian cmd.ac[aci].txoplimit = 3504278366Sadrian htole16(IEEE80211_TXOP_TO_US(ac->wmep_txopLimit)); 3505278366Sadrian 3506278366Sadrian DPRINTF(sc, WPI_DEBUG_EDCA, 3507278366Sadrian "setting WME for queue %d aifsn=%d cwmin=%d cwmax=%d " 3508278366Sadrian "txoplimit=%d\n", aci, cmd.ac[aci].aifsn, 3509278366Sadrian cmd.ac[aci].cwmin, cmd.ac[aci].cwmax, 3510278366Sadrian cmd.ac[aci].txoplimit); 3511278366Sadrian } 3512278366Sadrian error = wpi_cmd(sc, WPI_CMD_EDCA_PARAMS, &cmd, sizeof cmd, 1); 3513278366Sadrian 3514278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3515278366Sadrian 3516278366Sadrian return error; 3517278366Sadrian#undef WPI_EXP2 3518278366Sadrian} 3519278366Sadrian 3520278366Sadrianstatic void 3521278366Sadrianwpi_set_promisc(struct wpi_softc *sc) 3522278366Sadrian{ 3523287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3524280105Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3525278366Sadrian uint32_t promisc_filter; 3526278366Sadrian 3527280105Sadrian promisc_filter = WPI_FILTER_CTL; 3528280105Sadrian if (vap != NULL && vap->iv_opmode != IEEE80211_M_HOSTAP) 3529280105Sadrian promisc_filter |= WPI_FILTER_PROMISC; 3530278366Sadrian 3531287197Sglebius if (ic->ic_promisc > 0) 3532278366Sadrian sc->rxon.filter |= htole32(promisc_filter); 3533278366Sadrian else 3534278366Sadrian sc->rxon.filter &= ~htole32(promisc_filter); 3535278366Sadrian} 3536278366Sadrian 3537278366Sadrianstatic void 3538283540Sglebiuswpi_update_promisc(struct ieee80211com *ic) 3539278366Sadrian{ 3540283540Sglebius struct wpi_softc *sc = ic->ic_softc; 3541278366Sadrian 3542280108Sadrian WPI_RXON_LOCK(sc); 3543278366Sadrian wpi_set_promisc(sc); 3544278366Sadrian 3545278366Sadrian if (wpi_send_rxon(sc, 1, 1) != 0) { 3546278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3547278366Sadrian __func__); 3548278366Sadrian } 3549280108Sadrian WPI_RXON_UNLOCK(sc); 3550278366Sadrian} 3551278366Sadrian 3552278366Sadrianstatic void 3553283540Sglebiuswpi_update_mcast(struct ieee80211com *ic) 3554278366Sadrian{ 3555278366Sadrian /* Ignore */ 3556278366Sadrian} 3557278366Sadrian 3558278366Sadrianstatic void 3559173362Sbenjscwpi_set_led(struct wpi_softc *sc, uint8_t which, uint8_t off, uint8_t on) 3560173362Sbenjsc{ 3561173362Sbenjsc struct wpi_cmd_led led; 3562173362Sbenjsc 3563278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3564278366Sadrian 3565173362Sbenjsc led.which = which; 3566173362Sbenjsc led.unit = htole32(100000); /* on/off in unit of 100ms */ 3567173362Sbenjsc led.off = off; 3568173362Sbenjsc led.on = on; 3569173362Sbenjsc (void)wpi_cmd(sc, WPI_CMD_SET_LED, &led, sizeof led, 1); 3570173362Sbenjsc} 3571173362Sbenjsc 3572278366Sadrianstatic int 3573278366Sadrianwpi_set_timing(struct wpi_softc *sc, struct ieee80211_node *ni) 3574173362Sbenjsc{ 3575278366Sadrian struct wpi_cmd_timing cmd; 3576173362Sbenjsc uint64_t val, mod; 3577173362Sbenjsc 3578278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3579173362Sbenjsc 3580278366Sadrian memset(&cmd, 0, sizeof cmd); 3581278366Sadrian memcpy(&cmd.tstamp, ni->ni_tstamp.data, sizeof (uint64_t)); 3582278366Sadrian cmd.bintval = htole16(ni->ni_intval); 3583278366Sadrian cmd.lintval = htole16(10); 3584173362Sbenjsc 3585278366Sadrian /* Compute remaining time until next beacon. */ 3586278366Sadrian val = (uint64_t)ni->ni_intval * IEEE80211_DUR_TU; 3587278366Sadrian mod = le64toh(cmd.tstamp) % val; 3588278366Sadrian cmd.binitval = htole32((uint32_t)(val - mod)); 3589278366Sadrian 3590278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "timing bintval=%u tstamp=%ju, init=%u\n", 3591278366Sadrian ni->ni_intval, le64toh(cmd.tstamp), (uint32_t)(val - mod)); 3592278366Sadrian 3593278366Sadrian return wpi_cmd(sc, WPI_CMD_TIMING, &cmd, sizeof cmd, 1); 3594173362Sbenjsc} 3595173362Sbenjsc 3596173362Sbenjsc/* 3597278366Sadrian * This function is called periodically (every 60 seconds) to adjust output 3598278366Sadrian * power to temperature changes. 3599173362Sbenjsc */ 3600278366Sadrianstatic void 3601278366Sadrianwpi_power_calibration(struct wpi_softc *sc) 3602278366Sadrian{ 3603278366Sadrian int temp; 3604278366Sadrian 3605278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3606278366Sadrian 3607278366Sadrian /* Update sensor data. */ 3608278366Sadrian temp = (int)WPI_READ(sc, WPI_UCODE_GP2); 3609278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "Temp in calibration is: %d\n", temp); 3610278366Sadrian 3611278366Sadrian /* Sanity-check read value. */ 3612278366Sadrian if (temp < -260 || temp > 25) { 3613278366Sadrian /* This can't be correct, ignore. */ 3614278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3615278366Sadrian "out-of-range temperature reported: %d\n", temp); 3616278366Sadrian return; 3617278366Sadrian } 3618278366Sadrian 3619278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d->%d\n", sc->temp, temp); 3620278366Sadrian 3621278366Sadrian /* Adjust Tx power if need be. */ 3622278366Sadrian if (abs(temp - sc->temp) <= 6) 3623278366Sadrian return; 3624278366Sadrian 3625278366Sadrian sc->temp = temp; 3626278366Sadrian 3627278366Sadrian if (wpi_set_txpower(sc, 1) != 0) { 3628278366Sadrian /* just warn, too bad for the automatic calibration... */ 3629278366Sadrian device_printf(sc->sc_dev,"could not adjust Tx power\n"); 3630278366Sadrian } 3631278366Sadrian} 3632278366Sadrian 3633278366Sadrian/* 3634278366Sadrian * Set TX power for current channel. 3635278366Sadrian */ 3636173362Sbenjscstatic int 3637278366Sadrianwpi_set_txpower(struct wpi_softc *sc, int async) 3638173362Sbenjsc{ 3639278366Sadrian struct wpi_power_group *group; 3640278366Sadrian struct wpi_cmd_txpower cmd; 3641278366Sadrian uint8_t chan; 3642281287Sadrian int idx, is_chan_5ghz, i; 3643173362Sbenjsc 3644278366Sadrian /* Retrieve current channel from last RXON. */ 3645278366Sadrian chan = sc->rxon.chan; 3646281287Sadrian is_chan_5ghz = (sc->rxon.flags & htole32(WPI_RXON_24GHZ)) == 0; 3647173362Sbenjsc 3648278366Sadrian /* Find the TX power group to which this channel belongs. */ 3649281287Sadrian if (is_chan_5ghz) { 3650278366Sadrian for (group = &sc->groups[1]; group < &sc->groups[4]; group++) 3651278366Sadrian if (chan <= group->chan) 3652278366Sadrian break; 3653278366Sadrian } else 3654278366Sadrian group = &sc->groups[0]; 3655278366Sadrian 3656278366Sadrian memset(&cmd, 0, sizeof cmd); 3657281287Sadrian cmd.band = is_chan_5ghz ? WPI_BAND_5GHZ : WPI_BAND_2GHZ; 3658278366Sadrian cmd.chan = htole16(chan); 3659278366Sadrian 3660278366Sadrian /* Set TX power for all OFDM and CCK rates. */ 3661278366Sadrian for (i = 0; i <= WPI_RIDX_MAX ; i++) { 3662278366Sadrian /* Retrieve TX power for this channel/rate. */ 3663281287Sadrian idx = wpi_get_power_index(sc, group, chan, is_chan_5ghz, i); 3664278366Sadrian 3665278366Sadrian cmd.rates[i].plcp = wpi_ridx_to_plcp[i]; 3666278366Sadrian 3667281287Sadrian if (is_chan_5ghz) { 3668278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_5ghz[idx]; 3669278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_5ghz[idx]; 3670278366Sadrian } else { 3671278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_2ghz[idx]; 3672278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_2ghz[idx]; 3673278366Sadrian } 3674278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3675278366Sadrian "chan %d/ridx %d: power index %d\n", chan, i, idx); 3676173362Sbenjsc } 3677173362Sbenjsc 3678278366Sadrian return wpi_cmd(sc, WPI_CMD_TXPOWER, &cmd, sizeof cmd, async); 3679278366Sadrian} 3680173362Sbenjsc 3681278366Sadrian/* 3682278366Sadrian * Determine Tx power index for a given channel/rate combination. 3683278366Sadrian * This takes into account the regulatory information from EEPROM and the 3684278366Sadrian * current temperature. 3685278366Sadrian */ 3686278366Sadrianstatic int 3687278366Sadrianwpi_get_power_index(struct wpi_softc *sc, struct wpi_power_group *group, 3688281287Sadrian uint8_t chan, int is_chan_5ghz, int ridx) 3689278366Sadrian{ 3690278366Sadrian/* Fixed-point arithmetic division using a n-bit fractional part. */ 3691280059Sadrian#define fdivround(a, b, n) \ 3692278366Sadrian ((((1 << n) * (a)) / (b) + (1 << n) / 2) / (1 << n)) 3693173362Sbenjsc 3694278366Sadrian/* Linear interpolation. */ 3695280059Sadrian#define interpolate(x, x1, y1, x2, y2, n) \ 3696278366Sadrian ((y1) + fdivround(((x) - (x1)) * ((y2) - (y1)), (x2) - (x1), n)) 3697173362Sbenjsc 3698278366Sadrian struct wpi_power_sample *sample; 3699278366Sadrian int pwr, idx; 3700278366Sadrian 3701278366Sadrian /* Default TX power is group maximum TX power minus 3dB. */ 3702278366Sadrian pwr = group->maxpwr / 2; 3703278366Sadrian 3704278366Sadrian /* Decrease TX power for highest OFDM rates to reduce distortion. */ 3705278366Sadrian switch (ridx) { 3706278366Sadrian case WPI_RIDX_OFDM36: 3707281287Sadrian pwr -= is_chan_5ghz ? 5 : 0; 3708278366Sadrian break; 3709278366Sadrian case WPI_RIDX_OFDM48: 3710281287Sadrian pwr -= is_chan_5ghz ? 10 : 7; 3711278366Sadrian break; 3712278366Sadrian case WPI_RIDX_OFDM54: 3713281287Sadrian pwr -= is_chan_5ghz ? 12 : 9; 3714278366Sadrian break; 3715173362Sbenjsc } 3716173362Sbenjsc 3717278366Sadrian /* Never exceed the channel maximum allowed TX power. */ 3718278366Sadrian pwr = min(pwr, sc->maxpwr[chan]); 3719173362Sbenjsc 3720278366Sadrian /* Retrieve TX power index into gain tables from samples. */ 3721278366Sadrian for (sample = group->samples; sample < &group->samples[3]; sample++) 3722278366Sadrian if (pwr > sample[1].power) 3723278366Sadrian break; 3724278366Sadrian /* Fixed-point linear interpolation using a 19-bit fractional part. */ 3725278366Sadrian idx = interpolate(pwr, sample[0].power, sample[0].index, 3726278366Sadrian sample[1].power, sample[1].index, 19); 3727173362Sbenjsc 3728278366Sadrian /*- 3729278366Sadrian * Adjust power index based on current temperature: 3730278366Sadrian * - if cooler than factory-calibrated: decrease output power 3731278366Sadrian * - if warmer than factory-calibrated: increase output power 3732278366Sadrian */ 3733278366Sadrian idx -= (sc->temp - group->temp) * 11 / 100; 3734173362Sbenjsc 3735278366Sadrian /* Decrease TX power for CCK rates (-5dB). */ 3736278366Sadrian if (ridx >= WPI_RIDX_CCK1) 3737278366Sadrian idx += 10; 3738278366Sadrian 3739278366Sadrian /* Make sure idx stays in a valid range. */ 3740278366Sadrian if (idx < 0) 3741278366Sadrian return 0; 3742278366Sadrian if (idx > WPI_MAX_PWR_INDEX) 3743278366Sadrian return WPI_MAX_PWR_INDEX; 3744278366Sadrian return idx; 3745278366Sadrian 3746278366Sadrian#undef interpolate 3747278366Sadrian#undef fdivround 3748173362Sbenjsc} 3749173362Sbenjsc 3750278366Sadrian/* 3751278366Sadrian * Set STA mode power saving level (between 0 and 5). 3752278366Sadrian * Level 0 is CAM (Continuously Aware Mode), 5 is for maximum power saving. 3753278366Sadrian */ 3754173362Sbenjscstatic int 3755278366Sadrianwpi_set_pslevel(struct wpi_softc *sc, uint8_t dtim, int level, int async) 3756173362Sbenjsc{ 3757278366Sadrian struct wpi_pmgt_cmd cmd; 3758278366Sadrian const struct wpi_pmgt *pmgt; 3759278366Sadrian uint32_t max, skip_dtim; 3760278366Sadrian uint32_t reg; 3761278366Sadrian int i; 3762278366Sadrian 3763278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 3764278366Sadrian "%s: dtim=%d, level=%d, async=%d\n", 3765278366Sadrian __func__, dtim, level, async); 3766278366Sadrian 3767278366Sadrian /* Select which PS parameters to use. */ 3768278366Sadrian if (dtim <= 10) 3769278366Sadrian pmgt = &wpi_pmgt[0][level]; 3770278366Sadrian else 3771278366Sadrian pmgt = &wpi_pmgt[1][level]; 3772278366Sadrian 3773278366Sadrian memset(&cmd, 0, sizeof cmd); 3774282400Sadrian WPI_TXQ_LOCK(sc); 3775282400Sadrian if (level != 0) { /* not CAM */ 3776278366Sadrian cmd.flags |= htole16(WPI_PS_ALLOW_SLEEP); 3777282400Sadrian sc->sc_flags |= WPI_PS_PATH; 3778282400Sadrian } else 3779282400Sadrian sc->sc_flags &= ~WPI_PS_PATH; 3780282400Sadrian WPI_TXQ_UNLOCK(sc); 3781278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 3782278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 3783278366Sadrian if (!(reg & 0x1)) /* L0s Entry disabled. */ 3784278366Sadrian cmd.flags |= htole16(WPI_PS_PCI_PMGT); 3785278366Sadrian 3786278366Sadrian cmd.rxtimeout = htole32(pmgt->rxtimeout * IEEE80211_DUR_TU); 3787278366Sadrian cmd.txtimeout = htole32(pmgt->txtimeout * IEEE80211_DUR_TU); 3788278366Sadrian 3789278366Sadrian if (dtim == 0) { 3790278366Sadrian dtim = 1; 3791278366Sadrian skip_dtim = 0; 3792278366Sadrian } else 3793278366Sadrian skip_dtim = pmgt->skip_dtim; 3794278366Sadrian 3795278366Sadrian if (skip_dtim != 0) { 3796278366Sadrian cmd.flags |= htole16(WPI_PS_SLEEP_OVER_DTIM); 3797278366Sadrian max = pmgt->intval[4]; 3798278366Sadrian if (max == (uint32_t)-1) 3799278366Sadrian max = dtim * (skip_dtim + 1); 3800278366Sadrian else if (max > dtim) 3801278366Sadrian max = (max / dtim) * dtim; 3802278366Sadrian } else 3803278366Sadrian max = dtim; 3804278366Sadrian 3805278366Sadrian for (i = 0; i < 5; i++) 3806278366Sadrian cmd.intval[i] = htole32(MIN(max, pmgt->intval[i])); 3807278366Sadrian 3808278366Sadrian return wpi_cmd(sc, WPI_CMD_SET_POWER_MODE, &cmd, sizeof cmd, async); 3809278366Sadrian} 3810278366Sadrian 3811280059Sadrianstatic int 3812278366Sadrianwpi_send_btcoex(struct wpi_softc *sc) 3813278366Sadrian{ 3814278366Sadrian struct wpi_bluetooth cmd; 3815278366Sadrian 3816280059Sadrian memset(&cmd, 0, sizeof cmd); 3817280059Sadrian cmd.flags = WPI_BT_COEX_MODE_4WIRE; 3818280059Sadrian cmd.lead_time = WPI_BT_LEAD_TIME_DEF; 3819280059Sadrian cmd.max_kill = WPI_BT_MAX_KILL_DEF; 3820278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "%s: configuring bluetooth coexistence\n", 3821278366Sadrian __func__); 3822280059Sadrian return wpi_cmd(sc, WPI_CMD_BT_COEX, &cmd, sizeof(cmd), 0); 3823278366Sadrian} 3824278366Sadrian 3825278366Sadrianstatic int 3826278366Sadrianwpi_send_rxon(struct wpi_softc *sc, int assoc, int async) 3827278366Sadrian{ 3828173362Sbenjsc int error; 3829173362Sbenjsc 3830280108Sadrian if (async) 3831280108Sadrian WPI_RXON_LOCK_ASSERT(sc); 3832280108Sadrian 3833282375Sadrian if (assoc && wpi_check_bss_filter(sc) != 0) { 3834278366Sadrian struct wpi_assoc rxon_assoc; 3835177043Sthompsa 3836278366Sadrian rxon_assoc.flags = sc->rxon.flags; 3837278366Sadrian rxon_assoc.filter = sc->rxon.filter; 3838278366Sadrian rxon_assoc.ofdm_mask = sc->rxon.ofdm_mask; 3839278366Sadrian rxon_assoc.cck_mask = sc->rxon.cck_mask; 3840278366Sadrian rxon_assoc.reserved = 0; 3841278366Sadrian 3842278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON_ASSOC, &rxon_assoc, 3843278366Sadrian sizeof (struct wpi_assoc), async); 3844280102Sadrian if (error != 0) { 3845280102Sadrian device_printf(sc->sc_dev, 3846280102Sadrian "RXON_ASSOC command failed, error %d\n", error); 3847280102Sadrian return error; 3848280102Sadrian } 3849216522Sbschmidt } else { 3850280102Sadrian if (async) { 3851280077Sadrian WPI_NT_LOCK(sc); 3852280102Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3853280102Sadrian sizeof (struct wpi_rxon), async); 3854280102Sadrian if (error == 0) 3855280102Sadrian wpi_clear_node_table(sc); 3856280077Sadrian WPI_NT_UNLOCK(sc); 3857280102Sadrian } else { 3858280102Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3859280102Sadrian sizeof (struct wpi_rxon), async); 3860280102Sadrian if (error == 0) 3861280102Sadrian wpi_clear_node_table(sc); 3862280102Sadrian } 3863173362Sbenjsc 3864280102Sadrian if (error != 0) { 3865280102Sadrian device_printf(sc->sc_dev, 3866280102Sadrian "RXON command failed, error %d\n", error); 3867280102Sadrian return error; 3868280102Sadrian } 3869173362Sbenjsc 3870278366Sadrian /* Add broadcast node. */ 3871278366Sadrian error = wpi_add_broadcast_node(sc, async); 3872278366Sadrian if (error != 0) { 3873278366Sadrian device_printf(sc->sc_dev, 3874278366Sadrian "could not add broadcast node, error %d\n", error); 3875278366Sadrian return error; 3876278366Sadrian } 3877278366Sadrian } 3878177043Sthompsa 3879280102Sadrian /* Configuration has changed, set Tx power accordingly. */ 3880280102Sadrian if ((error = wpi_set_txpower(sc, async)) != 0) { 3881280102Sadrian device_printf(sc->sc_dev, 3882280102Sadrian "%s: could not set TX power, error %d\n", __func__, error); 3883280102Sadrian return error; 3884280102Sadrian } 3885280102Sadrian 3886278366Sadrian return 0; 3887177043Sthompsa} 3888177043Sthompsa 3889278366Sadrian/** 3890278366Sadrian * Configure the card to listen to a particular channel, this transisions the 3891278366Sadrian * card in to being able to receive frames from remote devices. 3892278366Sadrian */ 3893177043Sthompsastatic int 3894278366Sadrianwpi_config(struct wpi_softc *sc) 3895177043Sthompsa{ 3896287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3897279762Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3898282371Sadrian struct ieee80211_channel *c = ic->ic_curchan; 3899177043Sthompsa int error; 3900177043Sthompsa 3901278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3902278366Sadrian 3903278366Sadrian /* Set power saving level to CAM during initialization. */ 3904278366Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 0)) != 0) { 3905278366Sadrian device_printf(sc->sc_dev, 3906278366Sadrian "%s: could not set power saving level\n", __func__); 3907278366Sadrian return error; 3908178354Ssam } 3909178354Ssam 3910278366Sadrian /* Configure bluetooth coexistence. */ 3911278366Sadrian if ((error = wpi_send_btcoex(sc)) != 0) { 3912278366Sadrian device_printf(sc->sc_dev, 3913278366Sadrian "could not configure bluetooth coexistence\n"); 3914278366Sadrian return error; 3915278366Sadrian } 3916177043Sthompsa 3917278366Sadrian /* Configure adapter. */ 3918278366Sadrian memset(&sc->rxon, 0, sizeof (struct wpi_rxon)); 3919279762Sadrian IEEE80211_ADDR_COPY(sc->rxon.myaddr, vap->iv_myaddr); 3920177043Sthompsa 3921278366Sadrian /* Set default channel. */ 3922282371Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 3923278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3924282371Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) 3925278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3926177043Sthompsa 3927278764Sadrian sc->rxon.filter = WPI_FILTER_MULTICAST; 3928278366Sadrian switch (ic->ic_opmode) { 3929278366Sadrian case IEEE80211_M_STA: 3930278366Sadrian sc->rxon.mode = WPI_MODE_STA; 3931278366Sadrian break; 3932278366Sadrian case IEEE80211_M_IBSS: 3933278366Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3934278764Sadrian sc->rxon.filter |= WPI_FILTER_BEACON; 3935278366Sadrian break; 3936280105Sadrian case IEEE80211_M_HOSTAP: 3937280105Sadrian /* XXX workaround for beaconing */ 3938280105Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3939280105Sadrian sc->rxon.filter |= WPI_FILTER_ASSOC | WPI_FILTER_PROMISC; 3940280105Sadrian break; 3941278366Sadrian case IEEE80211_M_AHDEMO: 3942278366Sadrian sc->rxon.mode = WPI_MODE_HOSTAP; 3943278366Sadrian break; 3944278366Sadrian case IEEE80211_M_MONITOR: 3945278366Sadrian sc->rxon.mode = WPI_MODE_MONITOR; 3946278366Sadrian break; 3947278366Sadrian default: 3948280066Sadrian device_printf(sc->sc_dev, "unknown opmode %d\n", 3949280066Sadrian ic->ic_opmode); 3950278366Sadrian return EINVAL; 3951278366Sadrian } 3952278764Sadrian sc->rxon.filter = htole32(sc->rxon.filter); 3953278366Sadrian wpi_set_promisc(sc); 3954278366Sadrian sc->rxon.cck_mask = 0x0f; /* not yet negotiated */ 3955278366Sadrian sc->rxon.ofdm_mask = 0xff; /* not yet negotiated */ 3956278366Sadrian 3957282385Sadrian /* XXX Current configuration may be unusable. */ 3958282385Sadrian if (IEEE80211_IS_CHAN_NOADHOC(c) && sc->rxon.mode == WPI_MODE_IBSS) { 3959282385Sadrian device_printf(sc->sc_dev, 3960282385Sadrian "%s: invalid channel (%d) selected for IBSS mode\n", 3961282385Sadrian __func__, ieee80211_chan2ieee(ic, c)); 3962282385Sadrian return EINVAL; 3963282385Sadrian } 3964282385Sadrian 3965278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) { 3966278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3967278366Sadrian __func__); 3968173362Sbenjsc return error; 3969173362Sbenjsc } 3970173362Sbenjsc 3971278366Sadrian /* Setup rate scalling. */ 3972278366Sadrian if ((error = wpi_mrr_setup(sc)) != 0) { 3973278366Sadrian device_printf(sc->sc_dev, "could not setup MRR, error %d\n", 3974278366Sadrian error); 3975278366Sadrian return error; 3976278366Sadrian } 3977278366Sadrian 3978278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3979177043Sthompsa 3980278366Sadrian return 0; 3981278366Sadrian} 3982177043Sthompsa 3983278366Sadrianstatic uint16_t 3984278366Sadrianwpi_get_active_dwell_time(struct wpi_softc *sc, 3985278366Sadrian struct ieee80211_channel *c, uint8_t n_probes) 3986278366Sadrian{ 3987278366Sadrian /* No channel? Default to 2GHz settings. */ 3988278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) { 3989278366Sadrian return (WPI_ACTIVE_DWELL_TIME_2GHZ + 3990278366Sadrian WPI_ACTIVE_DWELL_FACTOR_2GHZ * (n_probes + 1)); 3991278366Sadrian } 3992278366Sadrian 3993278366Sadrian /* 5GHz dwell time. */ 3994278366Sadrian return (WPI_ACTIVE_DWELL_TIME_5GHZ + 3995278366Sadrian WPI_ACTIVE_DWELL_FACTOR_5GHZ * (n_probes + 1)); 3996173362Sbenjsc} 3997173362Sbenjsc 3998173362Sbenjsc/* 3999282382Sadrian * Limit the total dwell time. 4000278366Sadrian * 4001278366Sadrian * Returns the dwell time in milliseconds. 4002173362Sbenjsc */ 4003278366Sadrianstatic uint16_t 4004278366Sadrianwpi_limit_dwell(struct wpi_softc *sc, uint16_t dwell_time) 4005278366Sadrian{ 4006287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 4007280103Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4008278366Sadrian int bintval = 0; 4009278366Sadrian 4010278366Sadrian /* bintval is in TU (1.024mS) */ 4011280103Sadrian if (vap != NULL) 4012278366Sadrian bintval = vap->iv_bss->ni_intval; 4013278366Sadrian 4014278366Sadrian /* 4015278366Sadrian * If it's non-zero, we should calculate the minimum of 4016278366Sadrian * it and the DWELL_BASE. 4017278366Sadrian * 4018278366Sadrian * XXX Yes, the math should take into account that bintval 4019278366Sadrian * is 1.024mS, not 1mS.. 4020278366Sadrian */ 4021278366Sadrian if (bintval > 0) { 4022278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "%s: bintval=%d\n", __func__, 4023278366Sadrian bintval); 4024282382Sadrian return (MIN(dwell_time, bintval - WPI_CHANNEL_TUNE_TIME * 2)); 4025278366Sadrian } 4026278366Sadrian 4027278366Sadrian /* No association context? Default. */ 4028282382Sadrian return dwell_time; 4029278366Sadrian} 4030278366Sadrian 4031278366Sadrianstatic uint16_t 4032278366Sadrianwpi_get_passive_dwell_time(struct wpi_softc *sc, struct ieee80211_channel *c) 4033278366Sadrian{ 4034278366Sadrian uint16_t passive; 4035278366Sadrian 4036278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) 4037278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_2GHZ; 4038278366Sadrian else 4039278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_5GHZ; 4040278366Sadrian 4041278366Sadrian /* Clamp to the beacon interval if we're associated. */ 4042278366Sadrian return (wpi_limit_dwell(sc, passive)); 4043278366Sadrian} 4044278366Sadrian 4045282383Sadrianstatic uint32_t 4046282383Sadrianwpi_get_scan_pause_time(uint32_t time, uint16_t bintval) 4047282383Sadrian{ 4048282383Sadrian uint32_t mod = (time % bintval) * IEEE80211_DUR_TU; 4049282383Sadrian uint32_t nbeacons = time / bintval; 4050282383Sadrian 4051282383Sadrian if (mod > WPI_PAUSE_MAX_TIME) 4052282383Sadrian mod = WPI_PAUSE_MAX_TIME; 4053282383Sadrian 4054282383Sadrian return WPI_PAUSE_SCAN(nbeacons, mod); 4055282383Sadrian} 4056282383Sadrian 4057278366Sadrian/* 4058278366Sadrian * Send a scan request to the firmware. 4059278366Sadrian */ 4060173362Sbenjscstatic int 4061278366Sadrianwpi_scan(struct wpi_softc *sc, struct ieee80211_channel *c) 4062173362Sbenjsc{ 4063287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 4064177043Sthompsa struct ieee80211_scan_state *ss = ic->ic_scan; 4065279762Sadrian struct ieee80211vap *vap = ss->ss_vap; 4066173362Sbenjsc struct wpi_scan_hdr *hdr; 4067278366Sadrian struct wpi_cmd_data *tx; 4068278366Sadrian struct wpi_scan_essid *essids; 4069173362Sbenjsc struct wpi_scan_chan *chan; 4070173362Sbenjsc struct ieee80211_frame *wh; 4071173362Sbenjsc struct ieee80211_rateset *rs; 4072278366Sadrian uint16_t dwell_active, dwell_passive; 4073278366Sadrian uint8_t *buf, *frm; 4074282382Sadrian int bgscan, bintval, buflen, error, i, nssid; 4075173362Sbenjsc 4076278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4077173362Sbenjsc 4078278366Sadrian /* 4079278366Sadrian * We are absolutely not allowed to send a scan command when another 4080278366Sadrian * scan command is pending. 4081278366Sadrian */ 4082280106Sadrian if (callout_pending(&sc->scan_timeout)) { 4083278366Sadrian device_printf(sc->sc_dev, "%s: called whilst scanning!\n", 4084278366Sadrian __func__); 4085282382Sadrian error = EAGAIN; 4086282382Sadrian goto fail; 4087282382Sadrian } 4088280060Sadrian 4089282382Sadrian bgscan = wpi_check_bss_filter(sc); 4090282382Sadrian bintval = vap->iv_bss->ni_intval; 4091282382Sadrian if (bgscan != 0 && 4092282382Sadrian bintval < WPI_QUIET_TIME_DEFAULT + WPI_CHANNEL_TUNE_TIME * 2) { 4093282382Sadrian error = EOPNOTSUPP; 4094282382Sadrian goto fail; 4095278366Sadrian } 4096278366Sadrian 4097278366Sadrian buf = malloc(WPI_SCAN_MAXSZ, M_DEVBUF, M_NOWAIT | M_ZERO); 4098278366Sadrian if (buf == NULL) { 4099173362Sbenjsc device_printf(sc->sc_dev, 4100278366Sadrian "%s: could not allocate buffer for scan command\n", 4101278366Sadrian __func__); 4102280060Sadrian error = ENOMEM; 4103280060Sadrian goto fail; 4104173362Sbenjsc } 4105278366Sadrian hdr = (struct wpi_scan_hdr *)buf; 4106173362Sbenjsc 4107173362Sbenjsc /* 4108278366Sadrian * Move to the next channel if no packets are received within 10 msecs 4109278366Sadrian * after sending the probe request. 4110173362Sbenjsc */ 4111282382Sadrian hdr->quiet_time = htole16(WPI_QUIET_TIME_DEFAULT); 4112282382Sadrian hdr->quiet_threshold = htole16(1); 4113282383Sadrian 4114282383Sadrian if (bgscan != 0) { 4115282383Sadrian /* 4116282383Sadrian * Max needs to be greater than active and passive and quiet! 4117282383Sadrian * It's also in microseconds! 4118282383Sadrian */ 4119282383Sadrian hdr->max_svc = htole32(250 * IEEE80211_DUR_TU); 4120282383Sadrian hdr->pause_svc = htole32(wpi_get_scan_pause_time(100, 4121282383Sadrian bintval)); 4122282383Sadrian } 4123282383Sadrian 4124278366Sadrian hdr->filter = htole32(WPI_FILTER_MULTICAST | WPI_FILTER_BEACON); 4125173362Sbenjsc 4126278366Sadrian tx = (struct wpi_cmd_data *)(hdr + 1); 4127278366Sadrian tx->flags = htole32(WPI_TX_AUTO_SEQ); 4128278366Sadrian tx->id = WPI_ID_BROADCAST; 4129278366Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 4130173362Sbenjsc 4131278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) { 4132278366Sadrian /* Send probe requests at 6Mbps. */ 4133278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_OFDM6]; 4134278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11A]; 4135173362Sbenjsc } else { 4136278366Sadrian hdr->flags = htole32(WPI_RXON_24GHZ | WPI_RXON_AUTO); 4137278366Sadrian /* Send probe requests at 1Mbps. */ 4138278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 4139278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11G]; 4140173362Sbenjsc } 4141173362Sbenjsc 4142278366Sadrian essids = (struct wpi_scan_essid *)(tx + 1); 4143177043Sthompsa nssid = MIN(ss->ss_nssid, WPI_SCAN_MAX_ESSIDS); 4144178354Ssam for (i = 0; i < nssid; i++) { 4145278366Sadrian essids[i].id = IEEE80211_ELEMID_SSID; 4146278366Sadrian essids[i].len = MIN(ss->ss_ssid[i].len, IEEE80211_NWID_LEN); 4147278366Sadrian memcpy(essids[i].data, ss->ss_ssid[i].ssid, essids[i].len); 4148179957Sthompsa#ifdef WPI_DEBUG 4149278366Sadrian if (sc->sc_debug & WPI_DEBUG_SCAN) { 4150177043Sthompsa printf("Scanning Essid: "); 4151278366Sadrian ieee80211_print_essid(essids[i].data, essids[i].len); 4152177043Sthompsa printf("\n"); 4153177043Sthompsa } 4154179957Sthompsa#endif 4155173362Sbenjsc } 4156173362Sbenjsc 4157173362Sbenjsc /* 4158173362Sbenjsc * Build a probe request frame. Most of the following code is a 4159173362Sbenjsc * copy & paste of what is done in net80211. 4160173362Sbenjsc */ 4161278366Sadrian wh = (struct ieee80211_frame *)(essids + WPI_SCAN_MAX_ESSIDS); 4162173362Sbenjsc wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 4163173362Sbenjsc IEEE80211_FC0_SUBTYPE_PROBE_REQ; 4164173362Sbenjsc wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 4165287197Sglebius IEEE80211_ADDR_COPY(wh->i_addr1, ieee80211broadcastaddr); 4166279762Sadrian IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); 4167287197Sglebius IEEE80211_ADDR_COPY(wh->i_addr3, ieee80211broadcastaddr); 4168173362Sbenjsc 4169173362Sbenjsc frm = (uint8_t *)(wh + 1); 4170275966Sadrian frm = ieee80211_add_ssid(frm, NULL, 0); 4171275966Sadrian frm = ieee80211_add_rates(frm, rs); 4172278366Sadrian if (rs->rs_nrates > IEEE80211_RATE_SIZE) 4173278366Sadrian frm = ieee80211_add_xrates(frm, rs); 4174173362Sbenjsc 4175278366Sadrian /* Set length of probe request. */ 4176278366Sadrian tx->len = htole16(frm - (uint8_t *)wh); 4177173362Sbenjsc 4178173362Sbenjsc /* 4179173362Sbenjsc * Construct information about the channel that we 4180173362Sbenjsc * want to scan. The firmware expects this to be directly 4181173362Sbenjsc * after the scan probe request 4182173362Sbenjsc */ 4183173362Sbenjsc chan = (struct wpi_scan_chan *)frm; 4184278366Sadrian chan->chan = htole16(ieee80211_chan2ieee(ic, c)); 4185173362Sbenjsc chan->flags = 0; 4186278366Sadrian if (nssid) { 4187278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_DEFAULT; 4188278366Sadrian chan->flags |= WPI_CHAN_NPBREQS(nssid); 4189278366Sadrian } else 4190278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_NEVER; 4191278366Sadrian 4192278764Sadrian if (!IEEE80211_IS_CHAN_PASSIVE(c)) 4193173362Sbenjsc chan->flags |= WPI_CHAN_ACTIVE; 4194173362Sbenjsc 4195278366Sadrian /* 4196278366Sadrian * Calculate the active/passive dwell times. 4197278366Sadrian */ 4198278366Sadrian dwell_active = wpi_get_active_dwell_time(sc, c, nssid); 4199278366Sadrian dwell_passive = wpi_get_passive_dwell_time(sc, c); 4200278366Sadrian 4201278366Sadrian /* Make sure they're valid. */ 4202282382Sadrian if (dwell_active > dwell_passive) 4203282382Sadrian dwell_active = dwell_passive; 4204278366Sadrian 4205278366Sadrian chan->active = htole16(dwell_active); 4206278366Sadrian chan->passive = htole16(dwell_passive); 4207278366Sadrian 4208278366Sadrian chan->dsp_gain = 0x6e; /* Default level */ 4209278366Sadrian 4210278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) 4211278366Sadrian chan->rf_gain = 0x3b; 4212278366Sadrian else 4213278366Sadrian chan->rf_gain = 0x28; 4214278366Sadrian 4215278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "Scanning %u Passive: %d\n", 4216280059Sadrian chan->chan, IEEE80211_IS_CHAN_PASSIVE(c)); 4217278366Sadrian 4218173362Sbenjsc hdr->nchan++; 4219282376Sadrian 4220282376Sadrian if (hdr->nchan == 1 && sc->rxon.chan == chan->chan) { 4221282376Sadrian /* XXX Force probe request transmission. */ 4222282376Sadrian memcpy(chan + 1, chan, sizeof (struct wpi_scan_chan)); 4223282376Sadrian 4224282376Sadrian chan++; 4225282376Sadrian 4226282376Sadrian /* Reduce unnecessary delay. */ 4227282376Sadrian chan->flags = 0; 4228282376Sadrian chan->passive = chan->active = hdr->quiet_time; 4229282376Sadrian 4230282376Sadrian hdr->nchan++; 4231282376Sadrian } 4232282376Sadrian 4233173362Sbenjsc chan++; 4234173362Sbenjsc 4235278366Sadrian buflen = (uint8_t *)chan - buf; 4236278366Sadrian hdr->len = htole16(buflen); 4237173362Sbenjsc 4238278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "sending scan command nchan=%d\n", 4239278366Sadrian hdr->nchan); 4240278366Sadrian error = wpi_cmd(sc, WPI_CMD_SCAN, buf, buflen, 1); 4241278366Sadrian free(buf, M_DEVBUF); 4242173362Sbenjsc 4243280060Sadrian if (error != 0) 4244280060Sadrian goto fail; 4245280060Sadrian 4246280106Sadrian callout_reset(&sc->scan_timeout, 5*hz, wpi_scan_timeout, sc); 4247173362Sbenjsc 4248278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4249173362Sbenjsc 4250280060Sadrian return 0; 4251280060Sadrian 4252280060Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 4253280060Sadrian 4254278366Sadrian return error; 4255278366Sadrian} 4256173362Sbenjsc 4257278366Sadrianstatic int 4258278366Sadrianwpi_auth(struct wpi_softc *sc, struct ieee80211vap *vap) 4259278366Sadrian{ 4260278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4261278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4262282371Sadrian struct ieee80211_channel *c = ni->ni_chan; 4263278366Sadrian int error; 4264173362Sbenjsc 4265280108Sadrian WPI_RXON_LOCK(sc); 4266280108Sadrian 4267278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4268278366Sadrian 4269278366Sadrian /* Update adapter configuration. */ 4270278366Sadrian sc->rxon.associd = 0; 4271278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 4272278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4273282371Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 4274278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4275282371Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) 4276278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4277278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4278278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4279278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4280278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4281282371Sadrian if (IEEE80211_IS_CHAN_A(c)) { 4282278366Sadrian sc->rxon.cck_mask = 0; 4283278366Sadrian sc->rxon.ofdm_mask = 0x15; 4284282371Sadrian } else if (IEEE80211_IS_CHAN_B(c)) { 4285278366Sadrian sc->rxon.cck_mask = 0x03; 4286278366Sadrian sc->rxon.ofdm_mask = 0; 4287278366Sadrian } else { 4288278366Sadrian /* Assume 802.11b/g. */ 4289278366Sadrian sc->rxon.cck_mask = 0x0f; 4290278366Sadrian sc->rxon.ofdm_mask = 0x15; 4291173362Sbenjsc } 4292173362Sbenjsc 4293278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x cck %x ofdm %x\n", 4294278366Sadrian sc->rxon.chan, sc->rxon.flags, sc->rxon.cck_mask, 4295278366Sadrian sc->rxon.ofdm_mask); 4296173362Sbenjsc 4297278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4298278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4299278366Sadrian __func__); 4300278366Sadrian } 4301173362Sbenjsc 4302278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4303173362Sbenjsc 4304280108Sadrian WPI_RXON_UNLOCK(sc); 4305280108Sadrian 4306278366Sadrian return error; 4307173362Sbenjsc} 4308173362Sbenjsc 4309173362Sbenjscstatic int 4310280084Sadrianwpi_config_beacon(struct wpi_vap *wvp) 4311280084Sadrian{ 4312288095Sadrian struct ieee80211vap *vap = &wvp->wv_vap; 4313288095Sadrian struct ieee80211com *ic = vap->iv_ic; 4314288095Sadrian struct ieee80211_beacon_offsets *bo = &vap->iv_bcn_off; 4315280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4316286865Sadrian struct wpi_softc *sc = ic->ic_softc; 4317280084Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 4318280084Sadrian struct ieee80211_tim_ie *tie; 4319280084Sadrian struct mbuf *m; 4320280084Sadrian uint8_t *ptr; 4321280084Sadrian int error; 4322280084Sadrian 4323280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4324280084Sadrian 4325280086Sadrian WPI_VAP_LOCK_ASSERT(wvp); 4326280084Sadrian 4327280084Sadrian cmd->len = htole16(bcn->m->m_pkthdr.len); 4328280084Sadrian cmd->plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 4329280084Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 4330280084Sadrian 4331280084Sadrian /* XXX seems to be unused */ 4332280084Sadrian if (*(bo->bo_tim) == IEEE80211_ELEMID_TIM) { 4333280084Sadrian tie = (struct ieee80211_tim_ie *) bo->bo_tim; 4334280084Sadrian ptr = mtod(bcn->m, uint8_t *); 4335280084Sadrian 4336280084Sadrian cmd->tim = htole16(bo->bo_tim - ptr); 4337280084Sadrian cmd->timsz = tie->tim_len; 4338280084Sadrian } 4339280084Sadrian 4340280084Sadrian /* Necessary for recursion in ieee80211_beacon_update(). */ 4341280084Sadrian m = bcn->m; 4342280084Sadrian bcn->m = m_dup(m, M_NOWAIT); 4343280084Sadrian if (bcn->m == NULL) { 4344280084Sadrian device_printf(sc->sc_dev, 4345280084Sadrian "%s: could not copy beacon frame\n", __func__); 4346280084Sadrian error = ENOMEM; 4347280084Sadrian goto end; 4348280084Sadrian } 4349280084Sadrian 4350280084Sadrian if ((error = wpi_cmd2(sc, bcn)) != 0) { 4351280084Sadrian device_printf(sc->sc_dev, 4352280084Sadrian "%s: could not update beacon frame, error %d", __func__, 4353280084Sadrian error); 4354280084Sadrian } 4355280084Sadrian 4356280084Sadrian /* Restore mbuf. */ 4357280084Sadrianend: bcn->m = m; 4358280084Sadrian 4359280084Sadrian return error; 4360280084Sadrian} 4361280084Sadrian 4362280084Sadrianstatic int 4363278366Sadrianwpi_setup_beacon(struct wpi_softc *sc, struct ieee80211_node *ni) 4364173362Sbenjsc{ 4365288095Sadrian struct ieee80211vap *vap = ni->ni_vap; 4366288095Sadrian struct ieee80211_beacon_offsets *bo = &vap->iv_bcn_off; 4367288095Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4368278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4369278366Sadrian struct mbuf *m; 4370280084Sadrian int error; 4371173362Sbenjsc 4372278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4373278366Sadrian 4374278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) 4375278366Sadrian return EINVAL; 4376278366Sadrian 4377280084Sadrian m = ieee80211_beacon_alloc(ni, bo); 4378278366Sadrian if (m == NULL) { 4379278366Sadrian device_printf(sc->sc_dev, 4380278366Sadrian "%s: could not allocate beacon frame\n", __func__); 4381278366Sadrian return ENOMEM; 4382173362Sbenjsc } 4383173362Sbenjsc 4384280086Sadrian WPI_VAP_LOCK(wvp); 4385280084Sadrian if (bcn->m != NULL) 4386280084Sadrian m_freem(bcn->m); 4387278366Sadrian 4388278366Sadrian bcn->m = m; 4389278366Sadrian 4390280084Sadrian error = wpi_config_beacon(wvp); 4391280086Sadrian WPI_VAP_UNLOCK(wvp); 4392280084Sadrian 4393280084Sadrian return error; 4394278366Sadrian} 4395278366Sadrian 4396278366Sadrianstatic void 4397278366Sadrianwpi_update_beacon(struct ieee80211vap *vap, int item) 4398278366Sadrian{ 4399286865Sadrian struct wpi_softc *sc = vap->iv_ic->ic_softc; 4400280084Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4401280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4402288095Sadrian struct ieee80211_beacon_offsets *bo = &vap->iv_bcn_off; 4403278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4404280084Sadrian int mcast = 0; 4405278366Sadrian 4406280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4407280084Sadrian 4408280086Sadrian WPI_VAP_LOCK(wvp); 4409280084Sadrian if (bcn->m == NULL) { 4410280084Sadrian bcn->m = ieee80211_beacon_alloc(ni, bo); 4411280084Sadrian if (bcn->m == NULL) { 4412280084Sadrian device_printf(sc->sc_dev, 4413280084Sadrian "%s: could not allocate beacon frame\n", __func__); 4414280084Sadrian 4415280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, 4416280084Sadrian __func__); 4417280084Sadrian 4418280086Sadrian WPI_VAP_UNLOCK(wvp); 4419280084Sadrian return; 4420280084Sadrian } 4421173362Sbenjsc } 4422280086Sadrian WPI_VAP_UNLOCK(wvp); 4423280084Sadrian 4424280084Sadrian if (item == IEEE80211_BEACON_TIM) 4425280084Sadrian mcast = 1; /* TODO */ 4426280084Sadrian 4427280084Sadrian setbit(bo->bo_flags, item); 4428280084Sadrian ieee80211_beacon_update(ni, bo, bcn->m, mcast); 4429280084Sadrian 4430280086Sadrian WPI_VAP_LOCK(wvp); 4431280084Sadrian wpi_config_beacon(wvp); 4432280086Sadrian WPI_VAP_UNLOCK(wvp); 4433280084Sadrian 4434280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4435278366Sadrian} 4436173362Sbenjsc 4437280079Sadrianstatic void 4438280079Sadrianwpi_newassoc(struct ieee80211_node *ni, int isnew) 4439280079Sadrian{ 4440280079Sadrian struct ieee80211vap *vap = ni->ni_vap; 4441286865Sadrian struct wpi_softc *sc = ni->ni_ic->ic_softc; 4442280079Sadrian struct wpi_node *wn = WPI_NODE(ni); 4443280079Sadrian int error; 4444280079Sadrian 4445280079Sadrian WPI_NT_LOCK(sc); 4446280079Sadrian 4447280079Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4448280079Sadrian 4449280079Sadrian if (vap->iv_opmode != IEEE80211_M_STA && wn->id == WPI_ID_UNDEFINED) { 4450280079Sadrian if ((error = wpi_add_ibss_node(sc, ni)) != 0) { 4451280079Sadrian device_printf(sc->sc_dev, 4452280079Sadrian "%s: could not add IBSS node, error %d\n", 4453280079Sadrian __func__, error); 4454280079Sadrian } 4455280079Sadrian } 4456280079Sadrian WPI_NT_UNLOCK(sc); 4457280079Sadrian} 4458280079Sadrian 4459278366Sadrianstatic int 4460278366Sadrianwpi_run(struct wpi_softc *sc, struct ieee80211vap *vap) 4461278366Sadrian{ 4462278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4463278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4464282371Sadrian struct ieee80211_channel *c = ni->ni_chan; 4465278366Sadrian int error; 4466278366Sadrian 4467278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4468278366Sadrian 4469278366Sadrian if (vap->iv_opmode == IEEE80211_M_MONITOR) { 4470278366Sadrian /* Link LED blinks while monitoring. */ 4471278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 5, 5); 4472278366Sadrian return 0; 4473173362Sbenjsc } 4474278366Sadrian 4475278366Sadrian /* XXX kernel panic workaround */ 4476282371Sadrian if (c == IEEE80211_CHAN_ANYC) { 4477278366Sadrian device_printf(sc->sc_dev, "%s: incomplete configuration\n", 4478278366Sadrian __func__); 4479195562Srpaulo return EINVAL; 4480173362Sbenjsc } 4481278366Sadrian 4482278366Sadrian if ((error = wpi_set_timing(sc, ni)) != 0) { 4483278366Sadrian device_printf(sc->sc_dev, 4484278366Sadrian "%s: could not set timing, error %d\n", __func__, error); 4485173362Sbenjsc return error; 4486173362Sbenjsc } 4487173362Sbenjsc 4488278366Sadrian /* Update adapter configuration. */ 4489280108Sadrian WPI_RXON_LOCK(sc); 4490278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4491278366Sadrian sc->rxon.associd = htole16(IEEE80211_NODE_AID(ni)); 4492282371Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 4493278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4494282371Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) 4495278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4496278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4497278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4498278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4499278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4500282371Sadrian if (IEEE80211_IS_CHAN_A(c)) { 4501278366Sadrian sc->rxon.cck_mask = 0; 4502278366Sadrian sc->rxon.ofdm_mask = 0x15; 4503282371Sadrian } else if (IEEE80211_IS_CHAN_B(c)) { 4504278366Sadrian sc->rxon.cck_mask = 0x03; 4505278366Sadrian sc->rxon.ofdm_mask = 0; 4506278366Sadrian } else { 4507278366Sadrian /* Assume 802.11b/g. */ 4508278366Sadrian sc->rxon.cck_mask = 0x0f; 4509278366Sadrian sc->rxon.ofdm_mask = 0x15; 4510173362Sbenjsc } 4511278366Sadrian sc->rxon.filter |= htole32(WPI_FILTER_BSS); 4512173362Sbenjsc 4513278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x\n", 4514278366Sadrian sc->rxon.chan, sc->rxon.flags); 4515278366Sadrian 4516278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4517278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4518278366Sadrian __func__); 4519173362Sbenjsc return error; 4520173362Sbenjsc } 4521173362Sbenjsc 4522280108Sadrian /* Start periodic calibration timer. */ 4523280108Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 4524280108Sadrian 4525280108Sadrian WPI_RXON_UNLOCK(sc); 4526280108Sadrian 4527280105Sadrian if (vap->iv_opmode == IEEE80211_M_IBSS || 4528280105Sadrian vap->iv_opmode == IEEE80211_M_HOSTAP) { 4529278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 4530278366Sadrian device_printf(sc->sc_dev, 4531278366Sadrian "%s: could not setup beacon, error %d\n", __func__, 4532278366Sadrian error); 4533278366Sadrian return error; 4534278366Sadrian } 4535173362Sbenjsc } 4536173362Sbenjsc 4537278366Sadrian if (vap->iv_opmode == IEEE80211_M_STA) { 4538278366Sadrian /* Add BSS node. */ 4539280077Sadrian WPI_NT_LOCK(sc); 4540280070Sadrian error = wpi_add_sta_node(sc, ni); 4541280077Sadrian WPI_NT_UNLOCK(sc); 4542280070Sadrian if (error != 0) { 4543278366Sadrian device_printf(sc->sc_dev, 4544278366Sadrian "%s: could not add BSS node, error %d\n", __func__, 4545278366Sadrian error); 4546278366Sadrian return error; 4547278366Sadrian } 4548278366Sadrian } 4549173362Sbenjsc 4550278366Sadrian /* Link LED always on while associated. */ 4551278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 4552173362Sbenjsc 4553278366Sadrian /* Enable power-saving mode if requested by user. */ 4554280099Sadrian if ((vap->iv_flags & IEEE80211_F_PMGTON) && 4555280099Sadrian vap->iv_opmode != IEEE80211_M_IBSS) 4556278366Sadrian (void)wpi_set_pslevel(sc, 0, 3, 1); 4557173362Sbenjsc 4558278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4559173362Sbenjsc 4560278366Sadrian return 0; 4561173362Sbenjsc} 4562173362Sbenjsc 4563173362Sbenjscstatic int 4564280088Sadrianwpi_load_key(struct ieee80211_node *ni, const struct ieee80211_key *k) 4565173362Sbenjsc{ 4566278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4567280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4568286865Sadrian struct wpi_softc *sc = ni->ni_ic->ic_softc; 4569280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4570278366Sadrian struct wpi_node_info node; 4571278366Sadrian uint16_t kflags; 4572278366Sadrian int error; 4573173362Sbenjsc 4574278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4575173362Sbenjsc 4576280088Sadrian if (wpi_check_node_entry(sc, wn->id) == 0) { 4577280088Sadrian device_printf(sc->sc_dev, "%s: node does not exist\n", 4578280088Sadrian __func__); 4579280088Sadrian return 0; 4580280088Sadrian } 4581280088Sadrian 4582278366Sadrian switch (cip->ic_cipher) { 4583278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4584278366Sadrian kflags = WPI_KFLAG_CCMP; 4585278366Sadrian break; 4586280088Sadrian 4587278366Sadrian default: 4588280088Sadrian device_printf(sc->sc_dev, "%s: unknown cipher %d\n", __func__, 4589280088Sadrian cip->ic_cipher); 4590280088Sadrian return 0; 4591278366Sadrian } 4592173362Sbenjsc 4593278366Sadrian kflags |= WPI_KFLAG_KID(k->wk_keyix); 4594278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4595278366Sadrian kflags |= WPI_KFLAG_MULTICAST; 4596173362Sbenjsc 4597278366Sadrian memset(&node, 0, sizeof node); 4598278366Sadrian node.id = wn->id; 4599278366Sadrian node.control = WPI_NODE_UPDATE; 4600278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4601278366Sadrian node.kflags = htole16(kflags); 4602278366Sadrian memcpy(node.key, k->wk_key, k->wk_keylen); 4603280088Sadrianagain: 4604280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, 4605280088Sadrian "%s: setting %s key id %d for node %d (%s)\n", __func__, 4606280088Sadrian (kflags & WPI_KFLAG_MULTICAST) ? "group" : "ucast", k->wk_keyix, 4607280088Sadrian node.id, ether_sprintf(ni->ni_macaddr)); 4608173362Sbenjsc 4609278366Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4610278366Sadrian if (error != 0) { 4611278366Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4612278366Sadrian error); 4613280088Sadrian return !error; 4614173362Sbenjsc } 4615173362Sbenjsc 4616280088Sadrian if (!(kflags & WPI_KFLAG_MULTICAST) && &vap->iv_nw_keys[0] <= k && 4617280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4618280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4619280088Sadrian node.kflags = htole16(kflags); 4620280088Sadrian 4621280088Sadrian goto again; 4622280088Sadrian } 4623280088Sadrian 4624278366Sadrian return 1; 4625173362Sbenjsc} 4626173362Sbenjsc 4627280088Sadrianstatic void 4628280088Sadrianwpi_load_key_cb(void *arg, struct ieee80211_node *ni) 4629280088Sadrian{ 4630280088Sadrian const struct ieee80211_key *k = arg; 4631280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4632286865Sadrian struct wpi_softc *sc = ni->ni_ic->ic_softc; 4633280088Sadrian struct wpi_node *wn = WPI_NODE(ni); 4634280088Sadrian int error; 4635280088Sadrian 4636280088Sadrian if (vap->iv_bss == ni && wn->id == WPI_ID_UNDEFINED) 4637280088Sadrian return; 4638280088Sadrian 4639280088Sadrian WPI_NT_LOCK(sc); 4640280088Sadrian error = wpi_load_key(ni, k); 4641280088Sadrian WPI_NT_UNLOCK(sc); 4642280088Sadrian 4643280088Sadrian if (error == 0) { 4644280088Sadrian device_printf(sc->sc_dev, "%s: error while setting key\n", 4645280088Sadrian __func__); 4646280088Sadrian } 4647280088Sadrian} 4648280088Sadrian 4649278366Sadrianstatic int 4650280088Sadrianwpi_set_global_keys(struct ieee80211_node *ni) 4651173362Sbenjsc{ 4652280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4653280088Sadrian struct ieee80211_key *wk = &vap->iv_nw_keys[0]; 4654280088Sadrian int error = 1; 4655280088Sadrian 4656280088Sadrian for (; wk < &vap->iv_nw_keys[IEEE80211_WEP_NKID] && error; wk++) 4657280088Sadrian if (wk->wk_keyix != IEEE80211_KEYIX_NONE) 4658280088Sadrian error = wpi_load_key(ni, wk); 4659280088Sadrian 4660280088Sadrian return !error; 4661280088Sadrian} 4662280088Sadrian 4663280088Sadrianstatic int 4664280088Sadrianwpi_del_key(struct ieee80211_node *ni, const struct ieee80211_key *k) 4665280088Sadrian{ 4666280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4667286865Sadrian struct wpi_softc *sc = ni->ni_ic->ic_softc; 4668280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4669278366Sadrian struct wpi_node_info node; 4670280088Sadrian uint16_t kflags; 4671280088Sadrian int error; 4672173362Sbenjsc 4673278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4674173362Sbenjsc 4675280088Sadrian if (wpi_check_node_entry(sc, wn->id) == 0) { 4676280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: node was removed\n", __func__); 4677280088Sadrian return 1; /* Nothing to do. */ 4678278366Sadrian } 4679173362Sbenjsc 4680280088Sadrian kflags = WPI_KFLAG_KID(k->wk_keyix); 4681280088Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4682280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4683173362Sbenjsc 4684278366Sadrian memset(&node, 0, sizeof node); 4685278366Sadrian node.id = wn->id; 4686278366Sadrian node.control = WPI_NODE_UPDATE; 4687278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4688280088Sadrian node.kflags = htole16(kflags); 4689280088Sadrianagain: 4690280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: deleting %s key %d for node %d (%s)\n", 4691280088Sadrian __func__, (kflags & WPI_KFLAG_MULTICAST) ? "group" : "ucast", 4692280088Sadrian k->wk_keyix, node.id, ether_sprintf(ni->ni_macaddr)); 4693173362Sbenjsc 4694280088Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4695280088Sadrian if (error != 0) { 4696280088Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4697280088Sadrian error); 4698280088Sadrian return !error; 4699280088Sadrian } 4700173362Sbenjsc 4701280088Sadrian if (!(kflags & WPI_KFLAG_MULTICAST) && &vap->iv_nw_keys[0] <= k && 4702280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4703280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4704280088Sadrian node.kflags = htole16(kflags); 4705280088Sadrian 4706280088Sadrian goto again; 4707280088Sadrian } 4708280088Sadrian 4709278366Sadrian return 1; 4710173362Sbenjsc} 4711173362Sbenjsc 4712280088Sadrianstatic void 4713280088Sadrianwpi_del_key_cb(void *arg, struct ieee80211_node *ni) 4714280088Sadrian{ 4715280088Sadrian const struct ieee80211_key *k = arg; 4716280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4717286865Sadrian struct wpi_softc *sc = ni->ni_ic->ic_softc; 4718280088Sadrian struct wpi_node *wn = WPI_NODE(ni); 4719280088Sadrian int error; 4720280088Sadrian 4721280088Sadrian if (vap->iv_bss == ni && wn->id == WPI_ID_UNDEFINED) 4722280088Sadrian return; 4723280088Sadrian 4724280088Sadrian WPI_NT_LOCK(sc); 4725280088Sadrian error = wpi_del_key(ni, k); 4726280088Sadrian WPI_NT_UNLOCK(sc); 4727280088Sadrian 4728280088Sadrian if (error == 0) { 4729280088Sadrian device_printf(sc->sc_dev, "%s: error while deleting key\n", 4730280088Sadrian __func__); 4731280088Sadrian } 4732280088Sadrian} 4733280088Sadrian 4734280088Sadrianstatic int 4735280088Sadrianwpi_process_key(struct ieee80211vap *vap, const struct ieee80211_key *k, 4736280088Sadrian int set) 4737280088Sadrian{ 4738280088Sadrian struct ieee80211com *ic = vap->iv_ic; 4739286865Sadrian struct wpi_softc *sc = ic->ic_softc; 4740280088Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4741280088Sadrian struct ieee80211_node *ni; 4742280088Sadrian int error, ni_ref = 0; 4743280088Sadrian 4744280088Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4745280088Sadrian 4746280088Sadrian if (k->wk_flags & IEEE80211_KEY_SWCRYPT) { 4747280088Sadrian /* Not for us. */ 4748280088Sadrian return 1; 4749280088Sadrian } 4750280088Sadrian 4751280088Sadrian if (!(k->wk_flags & IEEE80211_KEY_RECV)) { 4752280088Sadrian /* XMIT keys are handled in wpi_tx_data(). */ 4753280088Sadrian return 1; 4754280088Sadrian } 4755280088Sadrian 4756280088Sadrian /* Handle group keys. */ 4757280088Sadrian if (&vap->iv_nw_keys[0] <= k && 4758280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4759280088Sadrian WPI_NT_LOCK(sc); 4760280088Sadrian if (set) 4761280088Sadrian wvp->wv_gtk |= WPI_VAP_KEY(k->wk_keyix); 4762280088Sadrian else 4763280088Sadrian wvp->wv_gtk &= ~WPI_VAP_KEY(k->wk_keyix); 4764280088Sadrian WPI_NT_UNLOCK(sc); 4765280088Sadrian 4766280088Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 4767280088Sadrian ieee80211_iterate_nodes(&ic->ic_sta, 4768280127Skib set ? wpi_load_key_cb : wpi_del_key_cb, 4769280127Skib __DECONST(void *, k)); 4770280088Sadrian } 4771280088Sadrian 4772280088Sadrian return 1; 4773280088Sadrian } 4774280088Sadrian 4775280088Sadrian switch (vap->iv_opmode) { 4776280088Sadrian case IEEE80211_M_STA: 4777280088Sadrian ni = vap->iv_bss; 4778280088Sadrian break; 4779280088Sadrian 4780280088Sadrian case IEEE80211_M_IBSS: 4781280088Sadrian case IEEE80211_M_AHDEMO: 4782280105Sadrian case IEEE80211_M_HOSTAP: 4783280088Sadrian ni = ieee80211_find_vap_node(&ic->ic_sta, vap, k->wk_macaddr); 4784280088Sadrian if (ni == NULL) 4785280088Sadrian return 0; /* should not happen */ 4786280088Sadrian 4787280088Sadrian ni_ref = 1; 4788280088Sadrian break; 4789280088Sadrian 4790280088Sadrian default: 4791280088Sadrian device_printf(sc->sc_dev, "%s: unknown opmode %d\n", __func__, 4792280088Sadrian vap->iv_opmode); 4793280088Sadrian return 0; 4794280088Sadrian } 4795280088Sadrian 4796280088Sadrian WPI_NT_LOCK(sc); 4797280088Sadrian if (set) 4798280088Sadrian error = wpi_load_key(ni, k); 4799280088Sadrian else 4800280088Sadrian error = wpi_del_key(ni, k); 4801280088Sadrian WPI_NT_UNLOCK(sc); 4802280088Sadrian 4803280088Sadrian if (ni_ref) 4804280088Sadrian ieee80211_node_decref(ni); 4805280088Sadrian 4806280088Sadrian return error; 4807280088Sadrian} 4808280088Sadrian 4809280088Sadrianstatic int 4810280088Sadrianwpi_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k, 4811280088Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 4812280088Sadrian{ 4813280088Sadrian return wpi_process_key(vap, k, 1); 4814280088Sadrian} 4815280088Sadrian 4816280088Sadrianstatic int 4817280088Sadrianwpi_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 4818280088Sadrian{ 4819280088Sadrian return wpi_process_key(vap, k, 0); 4820280088Sadrian} 4821280088Sadrian 4822278366Sadrian/* 4823278366Sadrian * This function is called after the runtime firmware notifies us of its 4824278366Sadrian * readiness (called in a process context). 4825278366Sadrian */ 4826278366Sadrianstatic int 4827278366Sadrianwpi_post_alive(struct wpi_softc *sc) 4828177043Sthompsa{ 4829278366Sadrian int ntries, error; 4830177043Sthompsa 4831278366Sadrian /* Check (again) that the radio is not disabled. */ 4832278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4833278366Sadrian return error; 4834177043Sthompsa 4835278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4836278366Sadrian 4837278366Sadrian /* NB: Runtime firmware must be up and running. */ 4838278366Sadrian if (!(wpi_prph_read(sc, WPI_APMG_RFKILL) & 1)) { 4839282391Sadrian device_printf(sc->sc_dev, 4840278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4841278366Sadrian wpi_nic_unlock(sc); 4842278366Sadrian return EPERM; /* :-) */ 4843278366Sadrian } 4844278366Sadrian wpi_nic_unlock(sc); 4845278366Sadrian 4846278366Sadrian /* Wait for thermal sensor to calibrate. */ 4847177043Sthompsa for (ntries = 0; ntries < 1000; ntries++) { 4848278366Sadrian if ((sc->temp = (int)WPI_READ(sc, WPI_UCODE_GP2)) != 0) 4849177043Sthompsa break; 4850177043Sthompsa DELAY(10); 4851177043Sthompsa } 4852177043Sthompsa 4853177043Sthompsa if (ntries == 1000) { 4854177043Sthompsa device_printf(sc->sc_dev, 4855278366Sadrian "timeout waiting for thermal sensor calibration\n"); 4856280059Sadrian return ETIMEDOUT; 4857280059Sadrian } 4858177043Sthompsa 4859280059Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d\n", sc->temp); 4860280059Sadrian return 0; 4861278366Sadrian} 4862177043Sthompsa 4863278366Sadrian/* 4864278366Sadrian * The firmware boot code is small and is intended to be copied directly into 4865278366Sadrian * the NIC internal memory (no DMA transfer). 4866278366Sadrian */ 4867278366Sadrianstatic int 4868278366Sadrianwpi_load_bootcode(struct wpi_softc *sc, const uint8_t *ucode, int size) 4869278366Sadrian{ 4870278366Sadrian int error, ntries; 4871177043Sthompsa 4872278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, "Loading microcode size 0x%x\n", size); 4873278366Sadrian 4874278366Sadrian size /= sizeof (uint32_t); 4875278366Sadrian 4876278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4877278366Sadrian return error; 4878278366Sadrian 4879278366Sadrian /* Copy microcode image into NIC memory. */ 4880278366Sadrian wpi_prph_write_region_4(sc, WPI_BSM_SRAM_BASE, 4881278366Sadrian (const uint32_t *)ucode, size); 4882278366Sadrian 4883278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_SRC, 0); 4884278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_DST, WPI_FW_TEXT_BASE); 4885278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_DWCOUNT, size); 4886278366Sadrian 4887278366Sadrian /* Start boot load now. */ 4888278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START); 4889278366Sadrian 4890278366Sadrian /* Wait for transfer to complete. */ 4891278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 4892278366Sadrian uint32_t status = WPI_READ(sc, WPI_FH_TX_STATUS); 4893278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4894278366Sadrian "firmware status=0x%x, val=0x%x, result=0x%x\n", status, 4895278366Sadrian WPI_FH_TX_STATUS_IDLE(6), 4896278366Sadrian status & WPI_FH_TX_STATUS_IDLE(6)); 4897278366Sadrian if (status & WPI_FH_TX_STATUS_IDLE(6)) { 4898278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4899278366Sadrian "Status Match! - ntries = %d\n", ntries); 4900278366Sadrian break; 4901178354Ssam } 4902278366Sadrian DELAY(10); 4903177043Sthompsa } 4904278366Sadrian if (ntries == 1000) { 4905278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4906278366Sadrian __func__); 4907278366Sadrian wpi_nic_unlock(sc); 4908278366Sadrian return ETIMEDOUT; 4909278366Sadrian } 4910177043Sthompsa 4911278366Sadrian /* Enable boot after power up. */ 4912278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START_EN); 4913278366Sadrian 4914278366Sadrian wpi_nic_unlock(sc); 4915278366Sadrian return 0; 4916177043Sthompsa} 4917177043Sthompsa 4918278366Sadrianstatic int 4919278366Sadrianwpi_load_firmware(struct wpi_softc *sc) 4920177043Sthompsa{ 4921278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4922278366Sadrian struct wpi_dma_info *dma = &sc->fw_dma; 4923278366Sadrian int error; 4924173362Sbenjsc 4925278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4926173362Sbenjsc 4927278366Sadrian /* Copy initialization sections into pre-allocated DMA-safe memory. */ 4928278366Sadrian memcpy(dma->vaddr, fw->init.data, fw->init.datasz); 4929278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4930278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->init.text, fw->init.textsz); 4931278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4932173362Sbenjsc 4933278366Sadrian /* Tell adapter where to find initialization sections. */ 4934278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4935278366Sadrian return error; 4936278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4937278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->init.datasz); 4938278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4939278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4940278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, fw->init.textsz); 4941278366Sadrian wpi_nic_unlock(sc); 4942173362Sbenjsc 4943278366Sadrian /* Load firmware boot code. */ 4944278366Sadrian error = wpi_load_bootcode(sc, fw->boot.text, fw->boot.textsz); 4945278366Sadrian if (error != 0) { 4946278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4947278366Sadrian __func__); 4948278366Sadrian return error; 4949278366Sadrian } 4950173362Sbenjsc 4951278366Sadrian /* Now press "execute". */ 4952278366Sadrian WPI_WRITE(sc, WPI_RESET, 0); 4953173362Sbenjsc 4954278366Sadrian /* Wait at most one second for first alive notification. */ 4955280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4956278366Sadrian device_printf(sc->sc_dev, 4957278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4958278366Sadrian __func__, error); 4959278366Sadrian return error; 4960173362Sbenjsc } 4961173362Sbenjsc 4962278366Sadrian /* Copy runtime sections into pre-allocated DMA-safe memory. */ 4963278366Sadrian memcpy(dma->vaddr, fw->main.data, fw->main.datasz); 4964278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4965278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->main.text, fw->main.textsz); 4966278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4967173362Sbenjsc 4968278366Sadrian /* Tell adapter where to find runtime sections. */ 4969278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4970278366Sadrian return error; 4971278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4972278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->main.datasz); 4973278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4974278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4975278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, 4976278366Sadrian WPI_FW_UPDATED | fw->main.textsz); 4977278366Sadrian wpi_nic_unlock(sc); 4978173362Sbenjsc 4979278366Sadrian return 0; 4980278366Sadrian} 4981173362Sbenjsc 4982278366Sadrianstatic int 4983278366Sadrianwpi_read_firmware(struct wpi_softc *sc) 4984278366Sadrian{ 4985278366Sadrian const struct firmware *fp; 4986278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4987278366Sadrian const struct wpi_firmware_hdr *hdr; 4988278366Sadrian int error; 4989173362Sbenjsc 4990278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4991278366Sadrian 4992278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4993278366Sadrian "Attempting Loading Firmware from %s module\n", WPI_FW_NAME); 4994278366Sadrian 4995278366Sadrian WPI_UNLOCK(sc); 4996278366Sadrian fp = firmware_get(WPI_FW_NAME); 4997278366Sadrian WPI_LOCK(sc); 4998278366Sadrian 4999278366Sadrian if (fp == NULL) { 5000278366Sadrian device_printf(sc->sc_dev, 5001278366Sadrian "could not load firmware image '%s'\n", WPI_FW_NAME); 5002278366Sadrian return EINVAL; 5003173362Sbenjsc } 5004173362Sbenjsc 5005278366Sadrian sc->fw_fp = fp; 5006173362Sbenjsc 5007278366Sadrian if (fp->datasize < sizeof (struct wpi_firmware_hdr)) { 5008278366Sadrian device_printf(sc->sc_dev, 5009278366Sadrian "firmware file too short: %zu bytes\n", fp->datasize); 5010278366Sadrian error = EINVAL; 5011278366Sadrian goto fail; 5012173362Sbenjsc } 5013173362Sbenjsc 5014278366Sadrian fw->size = fp->datasize; 5015278366Sadrian fw->data = (const uint8_t *)fp->data; 5016278366Sadrian 5017278366Sadrian /* Extract firmware header information. */ 5018278366Sadrian hdr = (const struct wpi_firmware_hdr *)fw->data; 5019278366Sadrian 5020278366Sadrian /* | RUNTIME FIRMWARE | INIT FIRMWARE | BOOT FW | 5021278366Sadrian |HDR|<--TEXT-->|<--DATA-->|<--TEXT-->|<--DATA-->|<--TEXT-->| */ 5022278366Sadrian 5023278366Sadrian fw->main.textsz = le32toh(hdr->rtextsz); 5024278366Sadrian fw->main.datasz = le32toh(hdr->rdatasz); 5025278366Sadrian fw->init.textsz = le32toh(hdr->itextsz); 5026278366Sadrian fw->init.datasz = le32toh(hdr->idatasz); 5027278366Sadrian fw->boot.textsz = le32toh(hdr->btextsz); 5028278366Sadrian fw->boot.datasz = 0; 5029278366Sadrian 5030278366Sadrian /* Sanity-check firmware header. */ 5031278366Sadrian if (fw->main.textsz > WPI_FW_TEXT_MAXSZ || 5032278366Sadrian fw->main.datasz > WPI_FW_DATA_MAXSZ || 5033278366Sadrian fw->init.textsz > WPI_FW_TEXT_MAXSZ || 5034278366Sadrian fw->init.datasz > WPI_FW_DATA_MAXSZ || 5035278366Sadrian fw->boot.textsz > WPI_FW_BOOT_TEXT_MAXSZ || 5036278366Sadrian (fw->boot.textsz & 3) != 0) { 5037278366Sadrian device_printf(sc->sc_dev, "invalid firmware header\n"); 5038278366Sadrian error = EINVAL; 5039278366Sadrian goto fail; 5040173362Sbenjsc } 5041173362Sbenjsc 5042278366Sadrian /* Check that all firmware sections fit. */ 5043278366Sadrian if (fw->size < sizeof (*hdr) + fw->main.textsz + fw->main.datasz + 5044278366Sadrian fw->init.textsz + fw->init.datasz + fw->boot.textsz) { 5045173362Sbenjsc device_printf(sc->sc_dev, 5046278366Sadrian "firmware file too short: %zu bytes\n", fw->size); 5047278366Sadrian error = EINVAL; 5048278366Sadrian goto fail; 5049173362Sbenjsc } 5050173362Sbenjsc 5051278366Sadrian /* Get pointers to firmware sections. */ 5052278366Sadrian fw->main.text = (const uint8_t *)(hdr + 1); 5053278366Sadrian fw->main.data = fw->main.text + fw->main.textsz; 5054278366Sadrian fw->init.text = fw->main.data + fw->main.datasz; 5055278366Sadrian fw->init.data = fw->init.text + fw->init.textsz; 5056278366Sadrian fw->boot.text = fw->init.data + fw->init.datasz; 5057177043Sthompsa 5058278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 5059278366Sadrian "Firmware Version: Major %d, Minor %d, Driver %d, \n" 5060280066Sadrian "runtime (text: %u, data: %u) init (text: %u, data %u) " 5061280066Sadrian "boot (text %u)\n", hdr->major, hdr->minor, le32toh(hdr->driver), 5062278366Sadrian fw->main.textsz, fw->main.datasz, 5063278366Sadrian fw->init.textsz, fw->init.datasz, fw->boot.textsz); 5064278366Sadrian 5065278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.text %p\n", fw->main.text); 5066278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.data %p\n", fw->main.data); 5067278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.text %p\n", fw->init.text); 5068278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.data %p\n", fw->init.data); 5069278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->boot.text %p\n", fw->boot.text); 5070278366Sadrian 5071278366Sadrian return 0; 5072278366Sadrian 5073278366Sadrianfail: wpi_unload_firmware(sc); 5074278366Sadrian return error; 5075173362Sbenjsc} 5076173362Sbenjsc 5077278366Sadrian/** 5078278366Sadrian * Free the referenced firmware image 5079278366Sadrian */ 5080173362Sbenjscstatic void 5081278366Sadrianwpi_unload_firmware(struct wpi_softc *sc) 5082173362Sbenjsc{ 5083278366Sadrian if (sc->fw_fp != NULL) { 5084278366Sadrian firmware_put(sc->fw_fp, FIRMWARE_UNLOAD); 5085278366Sadrian sc->fw_fp = NULL; 5086278366Sadrian } 5087278366Sadrian} 5088173362Sbenjsc 5089278366Sadrianstatic int 5090278366Sadrianwpi_clock_wait(struct wpi_softc *sc) 5091278366Sadrian{ 5092278366Sadrian int ntries; 5093173362Sbenjsc 5094278366Sadrian /* Set "initialization complete" bit. */ 5095278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 5096278366Sadrian 5097278366Sadrian /* Wait for clock stabilization. */ 5098278366Sadrian for (ntries = 0; ntries < 2500; ntries++) { 5099278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_MAC_CLOCK_READY) 5100278366Sadrian return 0; 5101278366Sadrian DELAY(100); 5102278366Sadrian } 5103278366Sadrian device_printf(sc->sc_dev, 5104278366Sadrian "%s: timeout waiting for clock stabilization\n", __func__); 5105278366Sadrian 5106278366Sadrian return ETIMEDOUT; 5107173362Sbenjsc} 5108178354Ssam 5109278366Sadrianstatic int 5110278366Sadrianwpi_apm_init(struct wpi_softc *sc) 5111173362Sbenjsc{ 5112278366Sadrian uint32_t reg; 5113278366Sadrian int error; 5114173362Sbenjsc 5115278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5116173362Sbenjsc 5117278366Sadrian /* Disable L0s exit timer (NMI bug workaround). */ 5118278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_DIS_L0S_TIMER); 5119278366Sadrian /* Don't wait for ICH L0s (ICH bug workaround). */ 5120278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_L1A_NO_L0S_RX); 5121173362Sbenjsc 5122278366Sadrian /* Set FH wait threshold to max (HW bug under stress workaround). */ 5123278366Sadrian WPI_SETBITS(sc, WPI_DBG_HPET_MEM, 0xffff0000); 5124173362Sbenjsc 5125278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 5126278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 5127278366Sadrian /* Workaround for HW instability in PCIe L0->L0s->L1 transition. */ 5128278366Sadrian if (reg & 0x02) /* L1 Entry enabled. */ 5129278366Sadrian WPI_SETBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 5130278366Sadrian else 5131278366Sadrian WPI_CLRBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 5132173362Sbenjsc 5133278366Sadrian WPI_SETBITS(sc, WPI_ANA_PLL, WPI_ANA_PLL_INIT); 5134173362Sbenjsc 5135278366Sadrian /* Wait for clock stabilization before accessing prph. */ 5136278366Sadrian if ((error = wpi_clock_wait(sc)) != 0) 5137278366Sadrian return error; 5138173362Sbenjsc 5139278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5140278366Sadrian return error; 5141281288Sadrian /* Cleanup. */ 5142281288Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 0x00000400); 5143281288Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, 0x00000200); 5144281288Sadrian 5145278366Sadrian /* Enable DMA and BSM (Bootstrap State Machine). */ 5146278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_EN, 5147278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT | WPI_APMG_CLK_CTRL_BSM_CLK_RQT); 5148278366Sadrian DELAY(20); 5149278366Sadrian /* Disable L1-Active. */ 5150278366Sadrian wpi_prph_setbits(sc, WPI_APMG_PCI_STT, WPI_APMG_PCI_STT_L1A_DIS); 5151278366Sadrian wpi_nic_unlock(sc); 5152173362Sbenjsc 5153278366Sadrian return 0; 5154278366Sadrian} 5155173362Sbenjsc 5156278366Sadrianstatic void 5157278366Sadrianwpi_apm_stop_master(struct wpi_softc *sc) 5158278366Sadrian{ 5159278366Sadrian int ntries; 5160278366Sadrian 5161278366Sadrian /* Stop busmaster DMA activity. */ 5162278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_STOP_MASTER); 5163282391Sadrian 5164278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_PS_MASK) == 5165278366Sadrian WPI_GP_CNTRL_MAC_PS) 5166278366Sadrian return; /* Already asleep. */ 5167278366Sadrian 5168278366Sadrian for (ntries = 0; ntries < 100; ntries++) { 5169278366Sadrian if (WPI_READ(sc, WPI_RESET) & WPI_RESET_MASTER_DISABLED) 5170278366Sadrian return; 5171278366Sadrian DELAY(10); 5172278366Sadrian } 5173280066Sadrian device_printf(sc->sc_dev, "%s: timeout waiting for master\n", 5174280066Sadrian __func__); 5175173362Sbenjsc} 5176173362Sbenjsc 5177173362Sbenjscstatic void 5178278366Sadrianwpi_apm_stop(struct wpi_softc *sc) 5179173362Sbenjsc{ 5180278366Sadrian wpi_apm_stop_master(sc); 5181278366Sadrian 5182278366Sadrian /* Reset the entire device. */ 5183278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_SW); 5184278366Sadrian DELAY(10); 5185278366Sadrian /* Clear "initialization complete" bit. */ 5186278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 5187173362Sbenjsc} 5188173362Sbenjsc 5189173362Sbenjscstatic void 5190278366Sadrianwpi_nic_config(struct wpi_softc *sc) 5191173362Sbenjsc{ 5192278366Sadrian uint32_t rev; 5193173362Sbenjsc 5194278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5195177043Sthompsa 5196278366Sadrian /* voodoo from the Linux "driver".. */ 5197278366Sadrian rev = pci_read_config(sc->sc_dev, PCIR_REVID, 1); 5198278366Sadrian if ((rev & 0xc0) == 0x40) 5199278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MB); 5200278366Sadrian else if (!(rev & 0x80)) 5201278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MM); 5202173362Sbenjsc 5203278366Sadrian if (sc->cap == 0x80) 5204278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_SKU_MRC); 5205173362Sbenjsc 5206280076Sadrian if ((sc->rev & 0xf0) == 0xd0) 5207278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 5208278366Sadrian else 5209278366Sadrian WPI_CLRBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 5210278366Sadrian 5211278366Sadrian if (sc->type > 1) 5212278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_TYPE_B); 5213173362Sbenjsc} 5214173362Sbenjsc 5215278366Sadrianstatic int 5216278366Sadrianwpi_hw_init(struct wpi_softc *sc) 5217173362Sbenjsc{ 5218278366Sadrian int chnl, ntries, error; 5219178354Ssam 5220278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 5221278366Sadrian 5222278366Sadrian /* Clear pending interrupts. */ 5223278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5224278366Sadrian 5225278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 5226278366Sadrian device_printf(sc->sc_dev, 5227278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 5228278366Sadrian error); 5229278366Sadrian return error; 5230173362Sbenjsc } 5231173362Sbenjsc 5232278366Sadrian /* Select VMAIN power source. */ 5233278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5234278366Sadrian return error; 5235278366Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, WPI_APMG_PS_PWR_SRC_MASK); 5236278366Sadrian wpi_nic_unlock(sc); 5237278366Sadrian /* Spin until VMAIN gets selected. */ 5238278366Sadrian for (ntries = 0; ntries < 5000; ntries++) { 5239278366Sadrian if (WPI_READ(sc, WPI_GPIO_IN) & WPI_GPIO_IN_VMAIN) 5240278366Sadrian break; 5241278366Sadrian DELAY(10); 5242278366Sadrian } 5243278366Sadrian if (ntries == 5000) { 5244278366Sadrian device_printf(sc->sc_dev, "timeout selecting power source\n"); 5245278366Sadrian return ETIMEDOUT; 5246278366Sadrian } 5247173362Sbenjsc 5248278366Sadrian /* Perform adapter initialization. */ 5249278366Sadrian wpi_nic_config(sc); 5250173362Sbenjsc 5251278366Sadrian /* Initialize RX ring. */ 5252278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5253278366Sadrian return error; 5254278366Sadrian /* Set physical address of RX ring. */ 5255278366Sadrian WPI_WRITE(sc, WPI_FH_RX_BASE, sc->rxq.desc_dma.paddr); 5256278366Sadrian /* Set physical address of RX read pointer. */ 5257278366Sadrian WPI_WRITE(sc, WPI_FH_RX_RPTR_ADDR, sc->shared_dma.paddr + 5258278366Sadrian offsetof(struct wpi_shared, next)); 5259278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, 0); 5260278366Sadrian /* Enable RX. */ 5261278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 5262278366Sadrian WPI_FH_RX_CONFIG_DMA_ENA | 5263278366Sadrian WPI_FH_RX_CONFIG_RDRBD_ENA | 5264278366Sadrian WPI_FH_RX_CONFIG_WRSTATUS_ENA | 5265278366Sadrian WPI_FH_RX_CONFIG_MAXFRAG | 5266278366Sadrian WPI_FH_RX_CONFIG_NRBD(WPI_RX_RING_COUNT_LOG) | 5267278366Sadrian WPI_FH_RX_CONFIG_IRQ_DST_HOST | 5268278366Sadrian WPI_FH_RX_CONFIG_IRQ_TIMEOUT(1)); 5269278366Sadrian (void)WPI_READ(sc, WPI_FH_RSSR_TBL); /* barrier */ 5270278366Sadrian wpi_nic_unlock(sc); 5271278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, (WPI_RX_RING_COUNT - 1) & ~7); 5272173362Sbenjsc 5273278366Sadrian /* Initialize TX rings. */ 5274278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5275278366Sadrian return error; 5276278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 2); /* bypass mode */ 5277278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_ARASTAT, 1); /* enable RA0 */ 5278278366Sadrian /* Enable all 6 TX rings. */ 5279278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0x3f); 5280278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE1, 0x10000); 5281278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE2, 0x30002); 5282278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF4MF, 4); 5283278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF5MF, 5); 5284278366Sadrian /* Set physical address of TX rings. */ 5285278366Sadrian WPI_WRITE(sc, WPI_FH_TX_BASE, sc->shared_dma.paddr); 5286278366Sadrian WPI_WRITE(sc, WPI_FH_MSG_CONFIG, 0xffff05a5); 5287278366Sadrian 5288278366Sadrian /* Enable all DMA channels. */ 5289278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 5290278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_CTRL(chnl), 0); 5291278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_BASE(chnl), 0); 5292278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0x80200008); 5293173362Sbenjsc } 5294278366Sadrian wpi_nic_unlock(sc); 5295278366Sadrian (void)WPI_READ(sc, WPI_FH_TX_BASE); /* barrier */ 5296278366Sadrian 5297278366Sadrian /* Clear "radio off" and "commands blocked" bits. */ 5298278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5299278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_CMD_BLOCKED); 5300278366Sadrian 5301278366Sadrian /* Clear pending interrupts. */ 5302278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5303278366Sadrian /* Enable interrupts. */ 5304278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 5305278366Sadrian 5306278366Sadrian /* _Really_ make sure "radio off" bit is cleared! */ 5307278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5308278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5309278366Sadrian 5310278366Sadrian if ((error = wpi_load_firmware(sc)) != 0) { 5311278366Sadrian device_printf(sc->sc_dev, 5312278366Sadrian "%s: could not load firmware, error %d\n", __func__, 5313278366Sadrian error); 5314278366Sadrian return error; 5315278366Sadrian } 5316278366Sadrian /* Wait at most one second for firmware alive notification. */ 5317280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 5318278366Sadrian device_printf(sc->sc_dev, 5319278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 5320278366Sadrian __func__, error); 5321278366Sadrian return error; 5322278366Sadrian } 5323278366Sadrian 5324278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 5325278366Sadrian 5326278366Sadrian /* Do post-firmware initialization. */ 5327278366Sadrian return wpi_post_alive(sc); 5328173362Sbenjsc} 5329173362Sbenjsc 5330173362Sbenjscstatic void 5331278366Sadrianwpi_hw_stop(struct wpi_softc *sc) 5332173362Sbenjsc{ 5333278366Sadrian int chnl, qid, ntries; 5334173362Sbenjsc 5335278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5336173362Sbenjsc 5337278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) 5338278366Sadrian wpi_nic_lock(sc); 5339173362Sbenjsc 5340278366Sadrian WPI_WRITE(sc, WPI_RESET, WPI_RESET_NEVO); 5341173362Sbenjsc 5342278366Sadrian /* Disable interrupts. */ 5343278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 5344278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5345278366Sadrian WPI_WRITE(sc, WPI_FH_INT, 0xffffffff); 5346173362Sbenjsc 5347278366Sadrian /* Make sure we no longer hold the NIC lock. */ 5348278366Sadrian wpi_nic_unlock(sc); 5349173362Sbenjsc 5350278366Sadrian if (wpi_nic_lock(sc) == 0) { 5351278366Sadrian /* Stop TX scheduler. */ 5352278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 0); 5353278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0); 5354179957Sthompsa 5355278366Sadrian /* Stop all DMA channels. */ 5356278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 5357278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0); 5358278366Sadrian for (ntries = 0; ntries < 200; ntries++) { 5359278366Sadrian if (WPI_READ(sc, WPI_FH_TX_STATUS) & 5360278366Sadrian WPI_FH_TX_STATUS_IDLE(chnl)) 5361278366Sadrian break; 5362278366Sadrian DELAY(10); 5363278366Sadrian } 5364173362Sbenjsc } 5365278366Sadrian wpi_nic_unlock(sc); 5366278366Sadrian } 5367173362Sbenjsc 5368278366Sadrian /* Stop RX ring. */ 5369278366Sadrian wpi_reset_rx_ring(sc); 5370173362Sbenjsc 5371278366Sadrian /* Reset all TX rings. */ 5372278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 5373278366Sadrian wpi_reset_tx_ring(sc, &sc->txq[qid]); 5374173362Sbenjsc 5375278366Sadrian if (wpi_nic_lock(sc) == 0) { 5376278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 5377278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT); 5378278366Sadrian wpi_nic_unlock(sc); 5379173362Sbenjsc } 5380278366Sadrian DELAY(5); 5381278366Sadrian /* Power OFF adapter. */ 5382278366Sadrian wpi_apm_stop(sc); 5383173362Sbenjsc} 5384173362Sbenjsc 5385173362Sbenjscstatic void 5386278366Sadrianwpi_radio_on(void *arg0, int pending) 5387173362Sbenjsc{ 5388278366Sadrian struct wpi_softc *sc = arg0; 5389287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 5390278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5391173362Sbenjsc 5392278366Sadrian device_printf(sc->sc_dev, "RF switch: radio enabled\n"); 5393173362Sbenjsc 5394287197Sglebius WPI_LOCK(sc); 5395287197Sglebius callout_stop(&sc->watchdog_rfkill); 5396287197Sglebius WPI_UNLOCK(sc); 5397287197Sglebius 5398287197Sglebius if (vap != NULL) 5399286437Sadrian ieee80211_init(vap); 5400173362Sbenjsc} 5401173362Sbenjsc 5402278366Sadrianstatic void 5403278366Sadrianwpi_radio_off(void *arg0, int pending) 5404173362Sbenjsc{ 5405278366Sadrian struct wpi_softc *sc = arg0; 5406287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 5407278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5408173362Sbenjsc 5409278366Sadrian device_printf(sc->sc_dev, "RF switch: radio disabled\n"); 5410173362Sbenjsc 5411287197Sglebius ieee80211_notify_radio(ic, 0); 5412278366Sadrian wpi_stop(sc); 5413278366Sadrian if (vap != NULL) 5414278366Sadrian ieee80211_stop(vap); 5415173362Sbenjsc 5416280053Sadrian WPI_LOCK(sc); 5417278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, sc); 5418280053Sadrian WPI_UNLOCK(sc); 5419278366Sadrian} 5420173362Sbenjsc 5421287197Sglebiusstatic int 5422287197Sglebiuswpi_init(struct wpi_softc *sc) 5423278366Sadrian{ 5424287197Sglebius int error = 0; 5425173362Sbenjsc 5426280096Sadrian WPI_LOCK(sc); 5427280096Sadrian 5428278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 5429173362Sbenjsc 5430287197Sglebius if (sc->sc_running != 0) 5431280096Sadrian goto end; 5432278366Sadrian 5433278366Sadrian /* Check that the radio is not disabled by hardware switch. */ 5434278366Sadrian if (!(WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL)) { 5435278366Sadrian device_printf(sc->sc_dev, 5436278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 5437278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 5438278366Sadrian sc); 5439287197Sglebius error = EINPROGRESS; 5440280096Sadrian goto end; 5441173362Sbenjsc } 5442173362Sbenjsc 5443278366Sadrian /* Read firmware images from the filesystem. */ 5444278366Sadrian if ((error = wpi_read_firmware(sc)) != 0) { 5445278366Sadrian device_printf(sc->sc_dev, 5446278366Sadrian "%s: could not read firmware, error %d\n", __func__, 5447278366Sadrian error); 5448287197Sglebius goto end; 5449278366Sadrian } 5450173362Sbenjsc 5451287197Sglebius sc->sc_running = 1; 5452287197Sglebius 5453278366Sadrian /* Initialize hardware and upload firmware. */ 5454278366Sadrian error = wpi_hw_init(sc); 5455278366Sadrian wpi_unload_firmware(sc); 5456278366Sadrian if (error != 0) { 5457278366Sadrian device_printf(sc->sc_dev, 5458278366Sadrian "%s: could not initialize hardware, error %d\n", __func__, 5459278366Sadrian error); 5460278366Sadrian goto fail; 5461278366Sadrian } 5462173362Sbenjsc 5463278366Sadrian /* Configure adapter now that it is ready. */ 5464278366Sadrian if ((error = wpi_config(sc)) != 0) { 5465278366Sadrian device_printf(sc->sc_dev, 5466278366Sadrian "%s: could not configure device, error %d\n", __func__, 5467278366Sadrian error); 5468278366Sadrian goto fail; 5469278366Sadrian } 5470173362Sbenjsc 5471278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 5472173362Sbenjsc 5473280096Sadrian WPI_UNLOCK(sc); 5474280096Sadrian 5475287197Sglebius return 0; 5476280096Sadrian 5477287197Sglebiusfail: wpi_stop_locked(sc); 5478286437Sadrian 5479280096Sadrianend: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 5480278366Sadrian WPI_UNLOCK(sc); 5481287197Sglebius 5482287197Sglebius return error; 5483278366Sadrian} 5484173362Sbenjsc 5485278366Sadrianstatic void 5486278366Sadrianwpi_stop_locked(struct wpi_softc *sc) 5487278366Sadrian{ 5488173362Sbenjsc 5489278366Sadrian WPI_LOCK_ASSERT(sc); 5490278366Sadrian 5491287197Sglebius if (sc->sc_running == 0) 5492287197Sglebius return; 5493287197Sglebius 5494287197Sglebius WPI_TX_LOCK(sc); 5495280071Sadrian WPI_TXQ_LOCK(sc); 5496287197Sglebius sc->sc_running = 0; 5497280071Sadrian WPI_TXQ_UNLOCK(sc); 5498287197Sglebius WPI_TX_UNLOCK(sc); 5499280071Sadrian 5500280112Sadrian WPI_TXQ_STATE_LOCK(sc); 5501280109Sadrian callout_stop(&sc->tx_timeout); 5502280112Sadrian WPI_TXQ_STATE_UNLOCK(sc); 5503280108Sadrian 5504280108Sadrian WPI_RXON_LOCK(sc); 5505280106Sadrian callout_stop(&sc->scan_timeout); 5506278366Sadrian callout_stop(&sc->calib_to); 5507280108Sadrian WPI_RXON_UNLOCK(sc); 5508280097Sadrian 5509278366Sadrian /* Power OFF hardware. */ 5510278366Sadrian wpi_hw_stop(sc); 5511173362Sbenjsc} 5512173362Sbenjsc 5513278366Sadrianstatic void 5514278366Sadrianwpi_stop(struct wpi_softc *sc) 5515278366Sadrian{ 5516278366Sadrian WPI_LOCK(sc); 5517278366Sadrian wpi_stop_locked(sc); 5518278366Sadrian WPI_UNLOCK(sc); 5519278366Sadrian} 5520278366Sadrian 5521278366Sadrian/* 5522278366Sadrian * Callback from net80211 to start a scan. 5523173362Sbenjsc */ 5524173362Sbenjscstatic void 5525173362Sbenjscwpi_scan_start(struct ieee80211com *ic) 5526173362Sbenjsc{ 5527286865Sadrian struct wpi_softc *sc = ic->ic_softc; 5528173362Sbenjsc 5529191746Sthompsa wpi_set_led(sc, WPI_LED_LINK, 20, 2); 5530173362Sbenjsc} 5531173362Sbenjsc 5532278366Sadrian/* 5533278366Sadrian * Callback from net80211 to terminate a scan. 5534173362Sbenjsc */ 5535173362Sbenjscstatic void 5536173362Sbenjscwpi_scan_end(struct ieee80211com *ic) 5537173362Sbenjsc{ 5538286865Sadrian struct wpi_softc *sc = ic->ic_softc; 5539278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5540278366Sadrian 5541280073Sadrian if (vap->iv_state == IEEE80211_S_RUN) 5542278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 5543173362Sbenjsc} 5544173362Sbenjsc 5545173362Sbenjsc/** 5546173362Sbenjsc * Called by the net80211 framework to indicate to the driver 5547173362Sbenjsc * that the channel should be changed 5548173362Sbenjsc */ 5549173362Sbenjscstatic void 5550173362Sbenjscwpi_set_channel(struct ieee80211com *ic) 5551173362Sbenjsc{ 5552278366Sadrian const struct ieee80211_channel *c = ic->ic_curchan; 5553286865Sadrian struct wpi_softc *sc = ic->ic_softc; 5554191746Sthompsa int error; 5555173362Sbenjsc 5556278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5557278366Sadrian 5558278366Sadrian WPI_LOCK(sc); 5559278366Sadrian sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq); 5560278366Sadrian sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags); 5561280113Sadrian WPI_UNLOCK(sc); 5562280113Sadrian WPI_TX_LOCK(sc); 5563278366Sadrian sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq); 5564278366Sadrian sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags); 5565280113Sadrian WPI_TX_UNLOCK(sc); 5566278366Sadrian 5567177043Sthompsa /* 5568177043Sthompsa * Only need to set the channel in Monitor mode. AP scanning and auth 5569177043Sthompsa * are already taken care of by their respective firmware commands. 5570177043Sthompsa */ 5571191746Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 5572280108Sadrian WPI_RXON_LOCK(sc); 5573278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 5574278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) { 5575278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | 5576278366Sadrian WPI_RXON_24GHZ); 5577278366Sadrian } else { 5578278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_AUTO | 5579278366Sadrian WPI_RXON_24GHZ); 5580278366Sadrian } 5581280108Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) 5582191746Sthompsa device_printf(sc->sc_dev, 5583280101Sadrian "%s: error %d setting channel\n", __func__, 5584278366Sadrian error); 5585280108Sadrian WPI_RXON_UNLOCK(sc); 5586191746Sthompsa } 5587173362Sbenjsc} 5588173362Sbenjsc 5589173362Sbenjsc/** 5590173362Sbenjsc * Called by net80211 to indicate that we need to scan the current 5591173362Sbenjsc * channel. The channel is previously be set via the wpi_set_channel 5592173362Sbenjsc * callback. 5593173362Sbenjsc */ 5594173362Sbenjscstatic void 5595178354Ssamwpi_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 5596173362Sbenjsc{ 5597178354Ssam struct ieee80211vap *vap = ss->ss_vap; 5598278366Sadrian struct ieee80211com *ic = vap->iv_ic; 5599286865Sadrian struct wpi_softc *sc = ic->ic_softc; 5600278366Sadrian int error; 5601173362Sbenjsc 5602280108Sadrian WPI_RXON_LOCK(sc); 5603282376Sadrian error = wpi_scan(sc, ic->ic_curchan); 5604282376Sadrian WPI_RXON_UNLOCK(sc); 5605282376Sadrian if (error != 0) 5606282376Sadrian ieee80211_cancel_scan(vap); 5607173362Sbenjsc} 5608173362Sbenjsc 5609173362Sbenjsc/** 5610173362Sbenjsc * Called by the net80211 framework to indicate 5611173362Sbenjsc * the minimum dwell time has been met, terminate the scan. 5612173362Sbenjsc * We don't actually terminate the scan as the firmware will notify 5613173362Sbenjsc * us when it's finished and we have no way to interrupt it. 5614173362Sbenjsc */ 5615173362Sbenjscstatic void 5616178354Ssamwpi_scan_mindwell(struct ieee80211_scan_state *ss) 5617173362Sbenjsc{ 5618173362Sbenjsc /* NB: don't try to abort scan; wait for firmware to finish */ 5619173362Sbenjsc} 5620173362Sbenjsc 5621173362Sbenjscstatic void 5622278366Sadrianwpi_hw_reset(void *arg, int pending) 5623173362Sbenjsc{ 5624191746Sthompsa struct wpi_softc *sc = arg; 5625287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 5626278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5627173362Sbenjsc 5628278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5629173362Sbenjsc 5630287197Sglebius ieee80211_notify_radio(ic, 0); 5631280106Sadrian if (vap != NULL && (ic->ic_flags & IEEE80211_F_SCAN)) 5632280106Sadrian ieee80211_cancel_scan(vap); 5633280106Sadrian 5634278366Sadrian wpi_stop(sc); 5635287197Sglebius if (vap != NULL) { 5636278366Sadrian ieee80211_stop(vap); 5637278366Sadrian ieee80211_init(vap); 5638287197Sglebius } 5639173362Sbenjsc} 5640