if_wpi.c revision 288636
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 288636 2015-10-03 22:12:25Z 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 *, 257288635Sadrian const struct ieee80211_key *); 258278366Sadrianstatic int wpi_key_delete(struct ieee80211vap *, 259278366Sadrian const struct ieee80211_key *); 260278366Sadrianstatic int wpi_post_alive(struct wpi_softc *); 261278366Sadrianstatic int wpi_load_bootcode(struct wpi_softc *, const uint8_t *, int); 262278366Sadrianstatic int wpi_load_firmware(struct wpi_softc *); 263278366Sadrianstatic int wpi_read_firmware(struct wpi_softc *); 264278366Sadrianstatic void wpi_unload_firmware(struct wpi_softc *); 265278366Sadrianstatic int wpi_clock_wait(struct wpi_softc *); 266278366Sadrianstatic int wpi_apm_init(struct wpi_softc *); 267278366Sadrianstatic void wpi_apm_stop_master(struct wpi_softc *); 268278366Sadrianstatic void wpi_apm_stop(struct wpi_softc *); 269278366Sadrianstatic void wpi_nic_config(struct wpi_softc *); 270278366Sadrianstatic int wpi_hw_init(struct wpi_softc *); 271278366Sadrianstatic void wpi_hw_stop(struct wpi_softc *); 272278366Sadrianstatic void wpi_radio_on(void *, int); 273278366Sadrianstatic void wpi_radio_off(void *, int); 274287197Sglebiusstatic int wpi_init(struct wpi_softc *); 275278366Sadrianstatic void wpi_stop_locked(struct wpi_softc *); 276173362Sbenjscstatic void wpi_stop(struct wpi_softc *); 277278366Sadrianstatic void wpi_scan_start(struct ieee80211com *); 278278366Sadrianstatic void wpi_scan_end(struct ieee80211com *); 279278366Sadrianstatic void wpi_set_channel(struct ieee80211com *); 280278366Sadrianstatic void wpi_scan_curchan(struct ieee80211_scan_state *, unsigned long); 281278366Sadrianstatic void wpi_scan_mindwell(struct ieee80211_scan_state *); 282278366Sadrianstatic void wpi_hw_reset(void *, int); 283173362Sbenjsc 284173362Sbenjscstatic device_method_t wpi_methods[] = { 285173362Sbenjsc /* Device interface */ 286173362Sbenjsc DEVMETHOD(device_probe, wpi_probe), 287173362Sbenjsc DEVMETHOD(device_attach, wpi_attach), 288173362Sbenjsc DEVMETHOD(device_detach, wpi_detach), 289173362Sbenjsc DEVMETHOD(device_shutdown, wpi_shutdown), 290173362Sbenjsc DEVMETHOD(device_suspend, wpi_suspend), 291173362Sbenjsc DEVMETHOD(device_resume, wpi_resume), 292173362Sbenjsc 293260064Smarius DEVMETHOD_END 294173362Sbenjsc}; 295173362Sbenjsc 296173362Sbenjscstatic driver_t wpi_driver = { 297173362Sbenjsc "wpi", 298173362Sbenjsc wpi_methods, 299173362Sbenjsc sizeof (struct wpi_softc) 300173362Sbenjsc}; 301173362Sbenjscstatic devclass_t wpi_devclass; 302173362Sbenjsc 303260064SmariusDRIVER_MODULE(wpi, pci, wpi_driver, wpi_devclass, NULL, NULL); 304173362Sbenjsc 305222543SbschmidtMODULE_VERSION(wpi, 1); 306222543Sbschmidt 307278366SadrianMODULE_DEPEND(wpi, pci, 1, 1, 1); 308278366SadrianMODULE_DEPEND(wpi, wlan, 1, 1, 1); 309278366SadrianMODULE_DEPEND(wpi, firmware, 1, 1, 1); 310260064Smarius 311173362Sbenjscstatic int 312173362Sbenjscwpi_probe(device_t dev) 313173362Sbenjsc{ 314173362Sbenjsc const struct wpi_ident *ident; 315173362Sbenjsc 316173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 317173362Sbenjsc if (pci_get_vendor(dev) == ident->vendor && 318173362Sbenjsc pci_get_device(dev) == ident->device) { 319173362Sbenjsc device_set_desc(dev, ident->name); 320260064Smarius return (BUS_PROBE_DEFAULT); 321173362Sbenjsc } 322173362Sbenjsc } 323173362Sbenjsc return ENXIO; 324173362Sbenjsc} 325173362Sbenjsc 326173362Sbenjscstatic int 327173362Sbenjscwpi_attach(device_t dev) 328173362Sbenjsc{ 329278366Sadrian struct wpi_softc *sc = (struct wpi_softc *)device_get_softc(dev); 330278366Sadrian struct ieee80211com *ic; 331280061Sadrian int i, error, rid; 332280061Sadrian#ifdef WPI_DEBUG 333280061Sadrian int supportsa = 1; 334173362Sbenjsc const struct wpi_ident *ident; 335280061Sadrian#endif 336173362Sbenjsc 337173362Sbenjsc sc->sc_dev = dev; 338173362Sbenjsc 339280059Sadrian#ifdef WPI_DEBUG 340278366Sadrian error = resource_int_value(device_get_name(sc->sc_dev), 341278366Sadrian device_get_unit(sc->sc_dev), "debug", &(sc->sc_debug)); 342278366Sadrian if (error != 0) 343278366Sadrian sc->sc_debug = 0; 344278366Sadrian#else 345278366Sadrian sc->sc_debug = 0; 346278366Sadrian#endif 347173362Sbenjsc 348278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 349278366Sadrian 350173362Sbenjsc /* 351278366Sadrian * Get the offset of the PCI Express Capability Structure in PCI 352278366Sadrian * Configuration Space. 353278366Sadrian */ 354278366Sadrian error = pci_find_cap(dev, PCIY_EXPRESS, &sc->sc_cap_off); 355278366Sadrian if (error != 0) { 356278366Sadrian device_printf(dev, "PCIe capability structure not found!\n"); 357278366Sadrian return error; 358278366Sadrian } 359278366Sadrian 360278366Sadrian /* 361173362Sbenjsc * Some card's only support 802.11b/g not a, check to see if 362173362Sbenjsc * this is one such card. A 0x0 in the subdevice table indicates 363173362Sbenjsc * the entire subdevice range is to be ignored. 364173362Sbenjsc */ 365280061Sadrian#ifdef WPI_DEBUG 366173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 367173362Sbenjsc if (ident->subdevice && 368173362Sbenjsc pci_get_subdevice(dev) == ident->subdevice) { 369173362Sbenjsc supportsa = 0; 370173362Sbenjsc break; 371173362Sbenjsc } 372173362Sbenjsc } 373280061Sadrian#endif 374173362Sbenjsc 375278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 376173362Sbenjsc pci_write_config(dev, 0x41, 0, 1); 377173362Sbenjsc 378278366Sadrian /* Enable bus-mastering. */ 379173362Sbenjsc pci_enable_busmaster(dev); 380173362Sbenjsc 381260064Smarius rid = PCIR_BAR(0); 382260064Smarius sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 383173362Sbenjsc RF_ACTIVE); 384173362Sbenjsc if (sc->mem == NULL) { 385278366Sadrian device_printf(dev, "can't map mem space\n"); 386280091Sadrian return ENOMEM; 387173362Sbenjsc } 388173362Sbenjsc sc->sc_st = rman_get_bustag(sc->mem); 389173362Sbenjsc sc->sc_sh = rman_get_bushandle(sc->mem); 390173362Sbenjsc 391278366Sadrian i = 1; 392260064Smarius rid = 0; 393278366Sadrian if (pci_alloc_msi(dev, &i) == 0) 394278366Sadrian rid = 1; 395278366Sadrian /* Install interrupt handler. */ 396278366Sadrian sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | 397278366Sadrian (rid != 0 ? 0 : RF_SHAREABLE)); 398173362Sbenjsc if (sc->irq == NULL) { 399278366Sadrian device_printf(dev, "can't map interrupt\n"); 400173362Sbenjsc error = ENOMEM; 401173362Sbenjsc goto fail; 402173362Sbenjsc } 403173362Sbenjsc 404278366Sadrian WPI_LOCK_INIT(sc); 405280113Sadrian WPI_TX_LOCK_INIT(sc); 406280108Sadrian WPI_RXON_LOCK_INIT(sc); 407280077Sadrian WPI_NT_LOCK_INIT(sc); 408280071Sadrian WPI_TXQ_LOCK_INIT(sc); 409280112Sadrian WPI_TXQ_STATE_LOCK_INIT(sc); 410278366Sadrian 411278366Sadrian /* Allocate DMA memory for firmware transfers. */ 412173362Sbenjsc if ((error = wpi_alloc_fwmem(sc)) != 0) { 413278366Sadrian device_printf(dev, 414278366Sadrian "could not allocate memory for firmware, error %d\n", 415278366Sadrian error); 416173362Sbenjsc goto fail; 417173362Sbenjsc } 418173362Sbenjsc 419278366Sadrian /* Allocate shared page. */ 420173362Sbenjsc if ((error = wpi_alloc_shared(sc)) != 0) { 421173362Sbenjsc device_printf(dev, "could not allocate shared page\n"); 422173362Sbenjsc goto fail; 423173362Sbenjsc } 424173362Sbenjsc 425278366Sadrian /* Allocate TX rings - 4 for QoS purposes, 1 for commands. */ 426278366Sadrian for (i = 0; i < WPI_NTXQUEUES; i++) { 427278366Sadrian if ((error = wpi_alloc_tx_ring(sc, &sc->txq[i], i)) != 0) { 428278366Sadrian device_printf(dev, 429278366Sadrian "could not allocate TX ring %d, error %d\n", i, 430278366Sadrian error); 431278366Sadrian goto fail; 432173362Sbenjsc } 433173362Sbenjsc } 434173362Sbenjsc 435278366Sadrian /* Allocate RX ring. */ 436278366Sadrian if ((error = wpi_alloc_rx_ring(sc)) != 0) { 437278366Sadrian device_printf(dev, "could not allocate RX ring, error %d\n", 438278366Sadrian error); 439173362Sbenjsc goto fail; 440173362Sbenjsc } 441173362Sbenjsc 442278366Sadrian /* Clear pending interrupts. */ 443278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 444173362Sbenjsc 445287197Sglebius ic = &sc->sc_ic; 446283537Sglebius ic->ic_softc = sc; 447283527Sglebius ic->ic_name = device_get_nameunit(dev); 448178354Ssam ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 449178354Ssam ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 450173362Sbenjsc 451278366Sadrian /* Set device capabilities. */ 452173362Sbenjsc ic->ic_caps = 453178957Ssam IEEE80211_C_STA /* station mode supported */ 454278366Sadrian | IEEE80211_C_IBSS /* IBSS mode supported */ 455280105Sadrian | IEEE80211_C_HOSTAP /* Host access point mode */ 456178957Ssam | IEEE80211_C_MONITOR /* monitor mode supported */ 457278366Sadrian | IEEE80211_C_AHDEMO /* adhoc demo mode */ 458278366Sadrian | IEEE80211_C_BGSCAN /* capable of bg scanning */ 459173362Sbenjsc | IEEE80211_C_TXPMGT /* tx power management */ 460173362Sbenjsc | IEEE80211_C_SHSLOT /* short slot time supported */ 461278366Sadrian | IEEE80211_C_WPA /* 802.11i */ 462173362Sbenjsc | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 463278366Sadrian | IEEE80211_C_WME /* 802.11e */ 464278366Sadrian | IEEE80211_C_PMGT /* Station-side power mgmt */ 465173362Sbenjsc ; 466173362Sbenjsc 467278366Sadrian ic->ic_cryptocaps = 468278366Sadrian IEEE80211_CRYPTO_AES_CCM; 469278366Sadrian 470173362Sbenjsc /* 471173362Sbenjsc * Read in the eeprom and also setup the channels for 472173362Sbenjsc * net80211. We don't set the rates as net80211 does this for us 473173362Sbenjsc */ 474287197Sglebius if ((error = wpi_read_eeprom(sc, ic->ic_macaddr)) != 0) { 475278366Sadrian device_printf(dev, "could not read EEPROM, error %d\n", 476278366Sadrian error); 477278366Sadrian goto fail; 478280059Sadrian } 479173362Sbenjsc 480280059Sadrian#ifdef WPI_DEBUG 481278366Sadrian if (bootverbose) { 482280059Sadrian device_printf(sc->sc_dev, "Regulatory Domain: %.4s\n", 483280059Sadrian sc->domain); 484280059Sadrian device_printf(sc->sc_dev, "Hardware Type: %c\n", 485280059Sadrian sc->type > 1 ? 'B': '?'); 486280059Sadrian device_printf(sc->sc_dev, "Hardware Revision: %c\n", 487280076Sadrian ((sc->rev & 0xf0) == 0xd0) ? 'D': '?'); 488280059Sadrian device_printf(sc->sc_dev, "SKU %s support 802.11a\n", 489280059Sadrian supportsa ? "does" : "does not"); 490173362Sbenjsc 491280059Sadrian /* XXX hw_config uses the PCIDEV for the Hardware rev. Must 492280059Sadrian check what sc->rev really represents - benjsc 20070615 */ 493173362Sbenjsc } 494278366Sadrian#endif 495173362Sbenjsc 496287197Sglebius ieee80211_ifattach(ic); 497278366Sadrian ic->ic_vap_create = wpi_vap_create; 498278366Sadrian ic->ic_vap_delete = wpi_vap_delete; 499287197Sglebius ic->ic_parent = wpi_parent; 500178354Ssam ic->ic_raw_xmit = wpi_raw_xmit; 501287197Sglebius ic->ic_transmit = wpi_transmit; 502278366Sadrian ic->ic_node_alloc = wpi_node_alloc; 503278366Sadrian sc->sc_node_free = ic->ic_node_free; 504278366Sadrian ic->ic_node_free = wpi_node_free; 505278366Sadrian ic->ic_wme.wme_update = wpi_updateedca; 506278366Sadrian ic->ic_update_promisc = wpi_update_promisc; 507278366Sadrian ic->ic_update_mcast = wpi_update_mcast; 508280079Sadrian ic->ic_newassoc = wpi_newassoc; 509173362Sbenjsc ic->ic_scan_start = wpi_scan_start; 510173362Sbenjsc ic->ic_scan_end = wpi_scan_end; 511173362Sbenjsc ic->ic_set_channel = wpi_set_channel; 512173362Sbenjsc ic->ic_scan_curchan = wpi_scan_curchan; 513173362Sbenjsc ic->ic_scan_mindwell = wpi_scan_mindwell; 514278366Sadrian ic->ic_setregdomain = wpi_setregdomain; 515173362Sbenjsc 516282400Sadrian sc->sc_update_rx_ring = wpi_update_rx_ring; 517282400Sadrian sc->sc_update_tx_ring = wpi_update_tx_ring; 518282400Sadrian 519278366Sadrian wpi_radiotap_attach(sc); 520173362Sbenjsc 521280108Sadrian callout_init_mtx(&sc->calib_to, &sc->rxon_mtx, 0); 522280108Sadrian callout_init_mtx(&sc->scan_timeout, &sc->rxon_mtx, 0); 523280112Sadrian callout_init_mtx(&sc->tx_timeout, &sc->txq_state_mtx, 0); 524278366Sadrian callout_init_mtx(&sc->watchdog_rfkill, &sc->sc_mtx, 0); 525278366Sadrian TASK_INIT(&sc->sc_reinittask, 0, wpi_hw_reset, sc); 526278366Sadrian TASK_INIT(&sc->sc_radiooff_task, 0, wpi_radio_off, sc); 527278366Sadrian TASK_INIT(&sc->sc_radioon_task, 0, wpi_radio_on, sc); 528287197Sglebius TASK_INIT(&sc->sc_start_task, 0, wpi_start, sc); 529173362Sbenjsc 530280120Sadrian sc->sc_tq = taskqueue_create("wpi_taskq", M_WAITOK, 531280120Sadrian taskqueue_thread_enqueue, &sc->sc_tq); 532280120Sadrian error = taskqueue_start_threads(&sc->sc_tq, 1, 0, "wpi_taskq"); 533280120Sadrian if (error != 0) { 534280120Sadrian device_printf(dev, "can't start threads, error %d\n", error); 535280120Sadrian goto fail; 536280120Sadrian } 537280120Sadrian 538278366Sadrian wpi_sysctlattach(sc); 539278366Sadrian 540173362Sbenjsc /* 541173362Sbenjsc * Hook our interrupt after all initialization is complete. 542173362Sbenjsc */ 543278366Sadrian error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 544177043Sthompsa NULL, wpi_intr, sc, &sc->sc_ih); 545173362Sbenjsc if (error != 0) { 546278366Sadrian device_printf(dev, "can't establish interrupt, error %d\n", 547278366Sadrian error); 548173362Sbenjsc goto fail; 549173362Sbenjsc } 550173362Sbenjsc 551177043Sthompsa if (bootverbose) 552177043Sthompsa ieee80211_announce(ic); 553278366Sadrian 554278366Sadrian#ifdef WPI_DEBUG 555278366Sadrian if (sc->sc_debug & WPI_DEBUG_HW) 556278366Sadrian ieee80211_announce_channels(ic); 557173362Sbenjsc#endif 558278366Sadrian 559278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 560173362Sbenjsc return 0; 561173362Sbenjsc 562173362Sbenjscfail: wpi_detach(dev); 563278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 564278366Sadrian return error; 565173362Sbenjsc} 566173362Sbenjsc 567278366Sadrian/* 568278366Sadrian * Attach the interface to 802.11 radiotap. 569278366Sadrian */ 570278366Sadrianstatic void 571278366Sadrianwpi_radiotap_attach(struct wpi_softc *sc) 572278366Sadrian{ 573287197Sglebius struct wpi_rx_radiotap_header *rxtap = &sc->sc_rxtap; 574287197Sglebius struct wpi_tx_radiotap_header *txtap = &sc->sc_txtap; 575287197Sglebius 576278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 577287197Sglebius ieee80211_radiotap_attach(&sc->sc_ic, 578287197Sglebius &txtap->wt_ihdr, sizeof(*txtap), WPI_TX_RADIOTAP_PRESENT, 579287197Sglebius &rxtap->wr_ihdr, sizeof(*rxtap), WPI_RX_RADIOTAP_PRESENT); 580278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 581278366Sadrian} 582278366Sadrian 583278366Sadrianstatic void 584278366Sadrianwpi_sysctlattach(struct wpi_softc *sc) 585278366Sadrian{ 586280059Sadrian#ifdef WPI_DEBUG 587278366Sadrian struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 588278366Sadrian struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 589278366Sadrian 590278366Sadrian SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 591278366Sadrian "debug", CTLFLAG_RW, &sc->sc_debug, sc->sc_debug, 592278366Sadrian "control debugging printfs"); 593278366Sadrian#endif 594278366Sadrian} 595278366Sadrian 596280083Sadrianstatic void 597280083Sadrianwpi_init_beacon(struct wpi_vap *wvp) 598280083Sadrian{ 599280083Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 600280083Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 601280083Sadrian 602280083Sadrian cmd->id = WPI_ID_BROADCAST; 603280083Sadrian cmd->ofdm_mask = 0xff; 604280083Sadrian cmd->cck_mask = 0x0f; 605280083Sadrian cmd->lifetime = htole32(WPI_LIFETIME_INFINITE); 606280083Sadrian 607282394Sadrian /* 608282394Sadrian * XXX WPI_TX_AUTO_SEQ seems to be ignored - workaround this issue 609282394Sadrian * XXX by using WPI_TX_NEED_ACK instead (with some side effects). 610282394Sadrian */ 611282394Sadrian cmd->flags = htole32(WPI_TX_NEED_ACK | WPI_TX_INSERT_TSTAMP); 612282394Sadrian 613280083Sadrian bcn->code = WPI_CMD_SET_BEACON; 614280083Sadrian bcn->ac = WPI_CMD_QUEUE_NUM; 615280083Sadrian bcn->size = sizeof(struct wpi_cmd_beacon); 616280083Sadrian} 617280083Sadrian 618278366Sadrianstatic struct ieee80211vap * 619278366Sadrianwpi_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 620278366Sadrian enum ieee80211_opmode opmode, int flags, 621278366Sadrian const uint8_t bssid[IEEE80211_ADDR_LEN], 622278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 623278366Sadrian{ 624278366Sadrian struct wpi_vap *wvp; 625278366Sadrian struct ieee80211vap *vap; 626278366Sadrian 627278366Sadrian if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 628278366Sadrian return NULL; 629278366Sadrian 630287197Sglebius wvp = malloc(sizeof(struct wpi_vap), M_80211_VAP, M_WAITOK | M_ZERO); 631280085Sadrian vap = &wvp->wv_vap; 632287197Sglebius ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid); 633278366Sadrian 634280105Sadrian if (opmode == IEEE80211_M_IBSS || opmode == IEEE80211_M_HOSTAP) { 635280086Sadrian WPI_VAP_LOCK_INIT(wvp); 636280083Sadrian wpi_init_beacon(wvp); 637280086Sadrian } 638280083Sadrian 639278366Sadrian /* Override with driver methods. */ 640278366Sadrian vap->iv_key_set = wpi_key_set; 641278366Sadrian vap->iv_key_delete = wpi_key_delete; 642282401Sadrian wvp->wv_recv_mgmt = vap->iv_recv_mgmt; 643282401Sadrian vap->iv_recv_mgmt = wpi_recv_mgmt; 644280085Sadrian wvp->wv_newstate = vap->iv_newstate; 645278366Sadrian vap->iv_newstate = wpi_newstate; 646278366Sadrian vap->iv_update_beacon = wpi_update_beacon; 647280105Sadrian vap->iv_max_aid = WPI_ID_IBSS_MAX - WPI_ID_IBSS_MIN + 1; 648278366Sadrian 649278366Sadrian ieee80211_ratectl_init(vap); 650278366Sadrian /* Complete setup. */ 651280066Sadrian ieee80211_vap_attach(vap, ieee80211_media_change, 652287197Sglebius ieee80211_media_status, mac); 653278366Sadrian ic->ic_opmode = opmode; 654278366Sadrian return vap; 655278366Sadrian} 656278366Sadrian 657278366Sadrianstatic void 658278366Sadrianwpi_vap_delete(struct ieee80211vap *vap) 659278366Sadrian{ 660278366Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 661280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 662280084Sadrian enum ieee80211_opmode opmode = vap->iv_opmode; 663278366Sadrian 664278366Sadrian ieee80211_ratectl_deinit(vap); 665278366Sadrian ieee80211_vap_detach(vap); 666278366Sadrian 667280105Sadrian if (opmode == IEEE80211_M_IBSS || opmode == IEEE80211_M_HOSTAP) { 668280084Sadrian if (bcn->m != NULL) 669280084Sadrian m_freem(bcn->m); 670280086Sadrian 671280086Sadrian WPI_VAP_LOCK_DESTROY(wvp); 672280084Sadrian } 673280084Sadrian 674278366Sadrian free(wvp, M_80211_VAP); 675278366Sadrian} 676278366Sadrian 677173362Sbenjscstatic int 678173362Sbenjscwpi_detach(device_t dev) 679173362Sbenjsc{ 680173362Sbenjsc struct wpi_softc *sc = device_get_softc(dev); 681287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 682278366Sadrian int qid; 683173362Sbenjsc 684278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 685260064Smarius 686287197Sglebius if (ic->ic_vap_create == wpi_vap_create) { 687280052Sadrian ieee80211_draintask(ic, &sc->sc_radioon_task); 688280078Sadrian ieee80211_draintask(ic, &sc->sc_start_task); 689278366Sadrian 690173362Sbenjsc wpi_stop(sc); 691278366Sadrian 692287197Sglebius if (sc->sc_tq != NULL) { 693287197Sglebius taskqueue_drain_all(sc->sc_tq); 694287197Sglebius taskqueue_free(sc->sc_tq); 695287197Sglebius } 696280120Sadrian 697280106Sadrian callout_drain(&sc->watchdog_rfkill); 698280109Sadrian callout_drain(&sc->tx_timeout); 699280106Sadrian callout_drain(&sc->scan_timeout); 700173362Sbenjsc callout_drain(&sc->calib_to); 701173362Sbenjsc ieee80211_ifdetach(ic); 702173362Sbenjsc } 703173362Sbenjsc 704278366Sadrian /* Uninstall interrupt handler. */ 705278366Sadrian if (sc->irq != NULL) { 706278366Sadrian bus_teardown_intr(dev, sc->irq, sc->sc_ih); 707278366Sadrian bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), 708278366Sadrian sc->irq); 709278366Sadrian pci_release_msi(dev); 710278366Sadrian } 711278366Sadrian 712173362Sbenjsc if (sc->txq[0].data_dmat) { 713278366Sadrian /* Free DMA resources. */ 714278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 715278366Sadrian wpi_free_tx_ring(sc, &sc->txq[qid]); 716173362Sbenjsc 717278366Sadrian wpi_free_rx_ring(sc); 718173362Sbenjsc wpi_free_shared(sc); 719173362Sbenjsc } 720173362Sbenjsc 721173362Sbenjsc if (sc->fw_dma.tag) 722173362Sbenjsc wpi_free_fwmem(sc); 723278366Sadrian 724173362Sbenjsc if (sc->mem != NULL) 725260064Smarius bus_release_resource(dev, SYS_RES_MEMORY, 726260064Smarius rman_get_rid(sc->mem), sc->mem); 727173362Sbenjsc 728278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 729280112Sadrian WPI_TXQ_STATE_LOCK_DESTROY(sc); 730280071Sadrian WPI_TXQ_LOCK_DESTROY(sc); 731280077Sadrian WPI_NT_LOCK_DESTROY(sc); 732280108Sadrian WPI_RXON_LOCK_DESTROY(sc); 733280113Sadrian WPI_TX_LOCK_DESTROY(sc); 734173362Sbenjsc WPI_LOCK_DESTROY(sc); 735278366Sadrian return 0; 736278366Sadrian} 737173362Sbenjsc 738278366Sadrianstatic int 739278366Sadrianwpi_shutdown(device_t dev) 740278366Sadrian{ 741278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 742278366Sadrian 743278366Sadrian wpi_stop(sc); 744173362Sbenjsc return 0; 745173362Sbenjsc} 746173362Sbenjsc 747278366Sadrianstatic int 748278366Sadrianwpi_suspend(device_t dev) 749178354Ssam{ 750278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 751287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 752178354Ssam 753278366Sadrian ieee80211_suspend_all(ic); 754278366Sadrian return 0; 755278366Sadrian} 756178354Ssam 757278366Sadrianstatic int 758278366Sadrianwpi_resume(device_t dev) 759278366Sadrian{ 760278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 761287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 762278366Sadrian 763278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 764278366Sadrian pci_write_config(dev, 0x41, 0, 1); 765278366Sadrian 766278366Sadrian ieee80211_resume_all(ic); 767278366Sadrian return 0; 768178354Ssam} 769178354Ssam 770278366Sadrian/* 771278366Sadrian * Grab exclusive access to NIC memory. 772278366Sadrian */ 773278366Sadrianstatic int 774278366Sadrianwpi_nic_lock(struct wpi_softc *sc) 775178354Ssam{ 776278366Sadrian int ntries; 777178354Ssam 778278366Sadrian /* Request exclusive access to NIC. */ 779278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 780278366Sadrian 781278366Sadrian /* Spin until we actually get the lock. */ 782278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 783278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & 784280059Sadrian (WPI_GP_CNTRL_MAC_ACCESS_ENA | WPI_GP_CNTRL_SLEEP)) == 785278366Sadrian WPI_GP_CNTRL_MAC_ACCESS_ENA) 786278366Sadrian return 0; 787278366Sadrian DELAY(10); 788278366Sadrian } 789278366Sadrian 790278366Sadrian device_printf(sc->sc_dev, "could not lock memory\n"); 791278366Sadrian 792278366Sadrian return ETIMEDOUT; 793178354Ssam} 794178354Ssam 795278366Sadrian/* 796278366Sadrian * Release lock on NIC memory. 797278366Sadrian */ 798278366Sadrianstatic __inline void 799278366Sadrianwpi_nic_unlock(struct wpi_softc *sc) 800278366Sadrian{ 801278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 802278366Sadrian} 803278366Sadrian 804278366Sadrianstatic __inline uint32_t 805278366Sadrianwpi_prph_read(struct wpi_softc *sc, uint32_t addr) 806278366Sadrian{ 807278366Sadrian WPI_WRITE(sc, WPI_PRPH_RADDR, WPI_PRPH_DWORD | addr); 808278366Sadrian WPI_BARRIER_READ_WRITE(sc); 809278366Sadrian return WPI_READ(sc, WPI_PRPH_RDATA); 810278366Sadrian} 811278366Sadrian 812278366Sadrianstatic __inline void 813278366Sadrianwpi_prph_write(struct wpi_softc *sc, uint32_t addr, uint32_t data) 814278366Sadrian{ 815278366Sadrian WPI_WRITE(sc, WPI_PRPH_WADDR, WPI_PRPH_DWORD | addr); 816278366Sadrian WPI_BARRIER_WRITE(sc); 817278366Sadrian WPI_WRITE(sc, WPI_PRPH_WDATA, data); 818278366Sadrian} 819278366Sadrian 820278366Sadrianstatic __inline void 821278366Sadrianwpi_prph_setbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 822278366Sadrian{ 823278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) | mask); 824278366Sadrian} 825278366Sadrian 826278366Sadrianstatic __inline void 827278366Sadrianwpi_prph_clrbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 828278366Sadrian{ 829278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) & ~mask); 830278366Sadrian} 831278366Sadrian 832278366Sadrianstatic __inline void 833278366Sadrianwpi_prph_write_region_4(struct wpi_softc *sc, uint32_t addr, 834278366Sadrian const uint32_t *data, int count) 835278366Sadrian{ 836278366Sadrian for (; count > 0; count--, data++, addr += 4) 837278366Sadrian wpi_prph_write(sc, addr, *data); 838278366Sadrian} 839278366Sadrian 840278366Sadrianstatic __inline uint32_t 841278366Sadrianwpi_mem_read(struct wpi_softc *sc, uint32_t addr) 842278366Sadrian{ 843278366Sadrian WPI_WRITE(sc, WPI_MEM_RADDR, addr); 844278366Sadrian WPI_BARRIER_READ_WRITE(sc); 845278366Sadrian return WPI_READ(sc, WPI_MEM_RDATA); 846278366Sadrian} 847278366Sadrian 848278366Sadrianstatic __inline void 849278366Sadrianwpi_mem_read_region_4(struct wpi_softc *sc, uint32_t addr, uint32_t *data, 850278366Sadrian int count) 851278366Sadrian{ 852278366Sadrian for (; count > 0; count--, addr += 4) 853278366Sadrian *data++ = wpi_mem_read(sc, addr); 854278366Sadrian} 855278366Sadrian 856278366Sadrianstatic int 857278366Sadrianwpi_read_prom_data(struct wpi_softc *sc, uint32_t addr, void *data, int count) 858278366Sadrian{ 859278366Sadrian uint8_t *out = data; 860278366Sadrian uint32_t val; 861278366Sadrian int error, ntries; 862278366Sadrian 863278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 864278366Sadrian 865278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 866278366Sadrian return error; 867278366Sadrian 868278366Sadrian for (; count > 0; count -= 2, addr++) { 869278366Sadrian WPI_WRITE(sc, WPI_EEPROM, addr << 2); 870278366Sadrian for (ntries = 0; ntries < 10; ntries++) { 871278366Sadrian val = WPI_READ(sc, WPI_EEPROM); 872278366Sadrian if (val & WPI_EEPROM_READ_VALID) 873278366Sadrian break; 874278366Sadrian DELAY(5); 875278366Sadrian } 876278366Sadrian if (ntries == 10) { 877278366Sadrian device_printf(sc->sc_dev, 878278366Sadrian "timeout reading ROM at 0x%x\n", addr); 879278366Sadrian return ETIMEDOUT; 880278366Sadrian } 881278366Sadrian *out++= val >> 16; 882278366Sadrian if (count > 1) 883278366Sadrian *out ++= val >> 24; 884278366Sadrian } 885278366Sadrian 886278366Sadrian wpi_nic_unlock(sc); 887278366Sadrian 888278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 889278366Sadrian 890278366Sadrian return 0; 891278366Sadrian} 892278366Sadrian 893178354Ssamstatic void 894173362Sbenjscwpi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 895173362Sbenjsc{ 896173362Sbenjsc if (error != 0) 897173362Sbenjsc return; 898173362Sbenjsc KASSERT(nsegs == 1, ("too many DMA segments, %d should be 1", nsegs)); 899173362Sbenjsc *(bus_addr_t *)arg = segs[0].ds_addr; 900173362Sbenjsc} 901173362Sbenjsc 902177043Sthompsa/* 903177043Sthompsa * Allocates a contiguous block of dma memory of the requested size and 904278366Sadrian * alignment. 905177043Sthompsa */ 906173362Sbenjscstatic int 907173362Sbenjscwpi_dma_contig_alloc(struct wpi_softc *sc, struct wpi_dma_info *dma, 908278366Sadrian void **kvap, bus_size_t size, bus_size_t alignment) 909173362Sbenjsc{ 910173362Sbenjsc int error; 911173362Sbenjsc 912278366Sadrian dma->tag = NULL; 913173362Sbenjsc dma->size = size; 914173362Sbenjsc 915278366Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), alignment, 916278366Sadrian 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, size, 917278366Sadrian 1, size, BUS_DMA_NOWAIT, NULL, NULL, &dma->tag); 918278366Sadrian if (error != 0) 919173362Sbenjsc goto fail; 920278366Sadrian 921278366Sadrian error = bus_dmamem_alloc(dma->tag, (void **)&dma->vaddr, 922278366Sadrian BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, &dma->map); 923278366Sadrian if (error != 0) 924173362Sbenjsc goto fail; 925173362Sbenjsc 926278366Sadrian error = bus_dmamap_load(dma->tag, dma->map, dma->vaddr, size, 927278366Sadrian wpi_dma_map_addr, &dma->paddr, BUS_DMA_NOWAIT); 928278366Sadrian if (error != 0) 929278366Sadrian goto fail; 930177043Sthompsa 931278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 932177043Sthompsa 933173362Sbenjsc if (kvap != NULL) 934173362Sbenjsc *kvap = dma->vaddr; 935173362Sbenjsc 936173362Sbenjsc return 0; 937173362Sbenjsc 938278366Sadrianfail: wpi_dma_contig_free(dma); 939173362Sbenjsc return error; 940173362Sbenjsc} 941173362Sbenjsc 942173362Sbenjscstatic void 943173362Sbenjscwpi_dma_contig_free(struct wpi_dma_info *dma) 944173362Sbenjsc{ 945278366Sadrian if (dma->vaddr != NULL) { 946278366Sadrian bus_dmamap_sync(dma->tag, dma->map, 947278366Sadrian BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 948278366Sadrian bus_dmamap_unload(dma->tag, dma->map); 949278366Sadrian bus_dmamem_free(dma->tag, dma->vaddr, dma->map); 950278366Sadrian dma->vaddr = NULL; 951278366Sadrian } 952278366Sadrian if (dma->tag != NULL) { 953173362Sbenjsc bus_dma_tag_destroy(dma->tag); 954278366Sadrian dma->tag = NULL; 955173362Sbenjsc } 956173362Sbenjsc} 957173362Sbenjsc 958173362Sbenjsc/* 959173362Sbenjsc * Allocate a shared page between host and NIC. 960173362Sbenjsc */ 961173362Sbenjscstatic int 962173362Sbenjscwpi_alloc_shared(struct wpi_softc *sc) 963173362Sbenjsc{ 964278366Sadrian /* Shared buffer must be aligned on a 4KB boundary. */ 965278366Sadrian return wpi_dma_contig_alloc(sc, &sc->shared_dma, 966278366Sadrian (void **)&sc->shared, sizeof (struct wpi_shared), 4096); 967173362Sbenjsc} 968173362Sbenjsc 969173362Sbenjscstatic void 970173362Sbenjscwpi_free_shared(struct wpi_softc *sc) 971173362Sbenjsc{ 972173362Sbenjsc wpi_dma_contig_free(&sc->shared_dma); 973173362Sbenjsc} 974173362Sbenjsc 975278366Sadrian/* 976278366Sadrian * Allocate DMA-safe memory for firmware transfer. 977278366Sadrian */ 978173362Sbenjscstatic int 979278366Sadrianwpi_alloc_fwmem(struct wpi_softc *sc) 980173362Sbenjsc{ 981278366Sadrian /* Must be aligned on a 16-byte boundary. */ 982278366Sadrian return wpi_dma_contig_alloc(sc, &sc->fw_dma, NULL, 983278366Sadrian WPI_FW_TEXT_MAXSZ + WPI_FW_DATA_MAXSZ, 16); 984278366Sadrian} 985173362Sbenjsc 986278366Sadrianstatic void 987278366Sadrianwpi_free_fwmem(struct wpi_softc *sc) 988278366Sadrian{ 989278366Sadrian wpi_dma_contig_free(&sc->fw_dma); 990278366Sadrian} 991278366Sadrian 992278366Sadrianstatic int 993278366Sadrianwpi_alloc_rx_ring(struct wpi_softc *sc) 994278366Sadrian{ 995278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 996278366Sadrian bus_size_t size; 997173362Sbenjsc int i, error; 998173362Sbenjsc 999173362Sbenjsc ring->cur = 0; 1000278366Sadrian ring->update = 0; 1001173362Sbenjsc 1002278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1003278366Sadrian 1004278366Sadrian /* Allocate RX descriptors (16KB aligned.) */ 1005278366Sadrian size = WPI_RX_RING_COUNT * sizeof (uint32_t); 1006173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->desc_dma, 1007278366Sadrian (void **)&ring->desc, size, WPI_RING_DMA_ALIGN); 1008173362Sbenjsc if (error != 0) { 1009177043Sthompsa device_printf(sc->sc_dev, 1010278366Sadrian "%s: could not allocate RX ring DMA memory, error %d\n", 1011177043Sthompsa __func__, error); 1012177043Sthompsa goto fail; 1013173362Sbenjsc } 1014173362Sbenjsc 1015278366Sadrian /* Create RX buffer DMA tag. */ 1016280059Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1017278366Sadrian BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 1018278366Sadrian MJUMPAGESIZE, 1, MJUMPAGESIZE, BUS_DMA_NOWAIT, NULL, NULL, 1019278366Sadrian &ring->data_dmat); 1020280059Sadrian if (error != 0) { 1021280059Sadrian device_printf(sc->sc_dev, 1022278366Sadrian "%s: could not create RX buf DMA tag, error %d\n", 1023177043Sthompsa __func__, error); 1024280059Sadrian goto fail; 1025280059Sadrian } 1026177043Sthompsa 1027173362Sbenjsc /* 1028278366Sadrian * Allocate and map RX buffers. 1029173362Sbenjsc */ 1030173362Sbenjsc for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1031177043Sthompsa struct wpi_rx_data *data = &ring->data[i]; 1032177043Sthompsa bus_addr_t paddr; 1033173362Sbenjsc 1034177043Sthompsa error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1035177043Sthompsa if (error != 0) { 1036173362Sbenjsc device_printf(sc->sc_dev, 1037278366Sadrian "%s: could not create RX buf DMA map, error %d\n", 1038177043Sthompsa __func__, error); 1039173362Sbenjsc goto fail; 1040173362Sbenjsc } 1041278366Sadrian 1042278366Sadrian data->m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1043278366Sadrian if (data->m == NULL) { 1044173362Sbenjsc device_printf(sc->sc_dev, 1045278366Sadrian "%s: could not allocate RX mbuf\n", __func__); 1046278366Sadrian error = ENOBUFS; 1047173362Sbenjsc goto fail; 1048173362Sbenjsc } 1049278366Sadrian 1050177043Sthompsa error = bus_dmamap_load(ring->data_dmat, data->map, 1051278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1052278366Sadrian &paddr, BUS_DMA_NOWAIT); 1053177043Sthompsa if (error != 0 && error != EFBIG) { 1054177043Sthompsa device_printf(sc->sc_dev, 1055278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, 1056278366Sadrian error); 1057173362Sbenjsc goto fail; 1058173362Sbenjsc } 1059177043Sthompsa 1060278366Sadrian /* Set physical address of RX buffer. */ 1061177043Sthompsa ring->desc[i] = htole32(paddr); 1062173362Sbenjsc } 1063278366Sadrian 1064173362Sbenjsc bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1065173362Sbenjsc BUS_DMASYNC_PREWRITE); 1066278366Sadrian 1067278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1068278366Sadrian 1069173362Sbenjsc return 0; 1070278366Sadrian 1071278366Sadrianfail: wpi_free_rx_ring(sc); 1072278366Sadrian 1073278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1074278366Sadrian 1075173362Sbenjsc return error; 1076173362Sbenjsc} 1077173362Sbenjsc 1078173362Sbenjscstatic void 1079278366Sadrianwpi_update_rx_ring(struct wpi_softc *sc) 1080173362Sbenjsc{ 1081282400Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, sc->rxq.cur & ~7); 1082282400Sadrian} 1083282400Sadrian 1084282400Sadrianstatic void 1085282400Sadrianwpi_update_rx_ring_ps(struct wpi_softc *sc) 1086282400Sadrian{ 1087278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1088173362Sbenjsc 1089280056Sadrian if (ring->update != 0) { 1090280056Sadrian /* Wait for INT_WAKEUP event. */ 1091280056Sadrian return; 1092280056Sadrian } 1093280056Sadrian 1094282400Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1095282400Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_SLEEP) { 1096278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s: wakeup request\n", 1097278366Sadrian __func__); 1098278366Sadrian ring->update = 1; 1099282400Sadrian } else { 1100282400Sadrian wpi_update_rx_ring(sc); 1101282400Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1102282400Sadrian } 1103278366Sadrian} 1104173362Sbenjsc 1105278366Sadrianstatic void 1106278366Sadrianwpi_reset_rx_ring(struct wpi_softc *sc) 1107278366Sadrian{ 1108278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1109278366Sadrian int ntries; 1110173362Sbenjsc 1111278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1112173362Sbenjsc 1113278366Sadrian if (wpi_nic_lock(sc) == 0) { 1114278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 0); 1115278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 1116278366Sadrian if (WPI_READ(sc, WPI_FH_RX_STATUS) & 1117278366Sadrian WPI_FH_RX_STATUS_IDLE) 1118278366Sadrian break; 1119278366Sadrian DELAY(10); 1120278366Sadrian } 1121278366Sadrian wpi_nic_unlock(sc); 1122278366Sadrian } 1123173362Sbenjsc 1124173362Sbenjsc ring->cur = 0; 1125278366Sadrian ring->update = 0; 1126173362Sbenjsc} 1127173362Sbenjsc 1128173362Sbenjscstatic void 1129278366Sadrianwpi_free_rx_ring(struct wpi_softc *sc) 1130173362Sbenjsc{ 1131278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1132173362Sbenjsc int i; 1133173362Sbenjsc 1134278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1135278366Sadrian 1136173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1137173362Sbenjsc 1138216824Sbschmidt for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1139216824Sbschmidt struct wpi_rx_data *data = &ring->data[i]; 1140216824Sbschmidt 1141216824Sbschmidt if (data->m != NULL) { 1142216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, 1143216824Sbschmidt BUS_DMASYNC_POSTREAD); 1144216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1145216824Sbschmidt m_freem(data->m); 1146278366Sadrian data->m = NULL; 1147216824Sbschmidt } 1148216824Sbschmidt if (data->map != NULL) 1149216824Sbschmidt bus_dmamap_destroy(ring->data_dmat, data->map); 1150216824Sbschmidt } 1151278366Sadrian if (ring->data_dmat != NULL) { 1152278366Sadrian bus_dma_tag_destroy(ring->data_dmat); 1153278366Sadrian ring->data_dmat = NULL; 1154278366Sadrian } 1155173362Sbenjsc} 1156173362Sbenjsc 1157173362Sbenjscstatic int 1158278366Sadrianwpi_alloc_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring, int qid) 1159173362Sbenjsc{ 1160278366Sadrian bus_addr_t paddr; 1161278366Sadrian bus_size_t size; 1162173362Sbenjsc int i, error; 1163173362Sbenjsc 1164173362Sbenjsc ring->qid = qid; 1165173362Sbenjsc ring->queued = 0; 1166173362Sbenjsc ring->cur = 0; 1167278366Sadrian ring->update = 0; 1168287197Sglebius mbufq_init(&ring->snd, ifqmaxlen); 1169173362Sbenjsc 1170278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1171173362Sbenjsc 1172278366Sadrian /* Allocate TX descriptors (16KB aligned.) */ 1173278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_desc); 1174278366Sadrian error = wpi_dma_contig_alloc(sc, &ring->desc_dma, (void **)&ring->desc, 1175278366Sadrian size, WPI_RING_DMA_ALIGN); 1176173362Sbenjsc if (error != 0) { 1177278366Sadrian device_printf(sc->sc_dev, 1178278366Sadrian "%s: could not allocate TX ring DMA memory, error %d\n", 1179278366Sadrian __func__, error); 1180278366Sadrian goto fail; 1181173362Sbenjsc } 1182173362Sbenjsc 1183278366Sadrian /* Update shared area with ring physical address. */ 1184173362Sbenjsc sc->shared->txbase[qid] = htole32(ring->desc_dma.paddr); 1185278366Sadrian bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 1186278366Sadrian BUS_DMASYNC_PREWRITE); 1187173362Sbenjsc 1188278366Sadrian /* 1189278366Sadrian * We only use rings 0 through 4 (4 EDCA + cmd) so there is no need 1190278366Sadrian * to allocate commands space for other rings. 1191278366Sadrian * XXX Do we really need to allocate descriptors for other rings? 1192278366Sadrian */ 1193280101Sadrian if (qid > WPI_CMD_QUEUE_NUM) { 1194280101Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1195278366Sadrian return 0; 1196280101Sadrian } 1197278366Sadrian 1198278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_cmd); 1199173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->cmd_dma, (void **)&ring->cmd, 1200278366Sadrian size, 4); 1201173362Sbenjsc if (error != 0) { 1202173362Sbenjsc device_printf(sc->sc_dev, 1203278366Sadrian "%s: could not allocate TX cmd DMA memory, error %d\n", 1204278366Sadrian __func__, error); 1205173362Sbenjsc goto fail; 1206173362Sbenjsc } 1207173362Sbenjsc 1208173362Sbenjsc error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1209173362Sbenjsc BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1210173362Sbenjsc WPI_MAX_SCATTER - 1, MCLBYTES, BUS_DMA_NOWAIT, NULL, NULL, 1211173362Sbenjsc &ring->data_dmat); 1212173362Sbenjsc if (error != 0) { 1213278366Sadrian device_printf(sc->sc_dev, 1214278366Sadrian "%s: could not create TX buf DMA tag, error %d\n", 1215278366Sadrian __func__, error); 1216173362Sbenjsc goto fail; 1217173362Sbenjsc } 1218173362Sbenjsc 1219278366Sadrian paddr = ring->cmd_dma.paddr; 1220278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1221278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1222173362Sbenjsc 1223278366Sadrian data->cmd_paddr = paddr; 1224278366Sadrian paddr += sizeof (struct wpi_tx_cmd); 1225278366Sadrian 1226173362Sbenjsc error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1227173362Sbenjsc if (error != 0) { 1228173362Sbenjsc device_printf(sc->sc_dev, 1229278366Sadrian "%s: could not create TX buf DMA map, error %d\n", 1230278366Sadrian __func__, error); 1231173362Sbenjsc goto fail; 1232173362Sbenjsc } 1233173362Sbenjsc } 1234173362Sbenjsc 1235278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1236278366Sadrian 1237173362Sbenjsc return 0; 1238173362Sbenjsc 1239278366Sadrianfail: wpi_free_tx_ring(sc, ring); 1240278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1241173362Sbenjsc return error; 1242173362Sbenjsc} 1243173362Sbenjsc 1244173362Sbenjscstatic void 1245278366Sadrianwpi_update_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1246278366Sadrian{ 1247282400Sadrian WPI_WRITE(sc, WPI_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur); 1248282400Sadrian} 1249282400Sadrian 1250282400Sadrianstatic void 1251282400Sadrianwpi_update_tx_ring_ps(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1252282400Sadrian{ 1253282400Sadrian 1254280056Sadrian if (ring->update != 0) { 1255280056Sadrian /* Wait for INT_WAKEUP event. */ 1256280056Sadrian return; 1257280056Sadrian } 1258280056Sadrian 1259282400Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1260282400Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_SLEEP) { 1261278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s (%d): requesting wakeup\n", 1262278366Sadrian __func__, ring->qid); 1263278366Sadrian ring->update = 1; 1264282400Sadrian } else { 1265282400Sadrian wpi_update_tx_ring(sc, ring); 1266282400Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1267282400Sadrian } 1268278366Sadrian} 1269278366Sadrian 1270278366Sadrianstatic void 1271173362Sbenjscwpi_reset_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1272173362Sbenjsc{ 1273278366Sadrian int i; 1274173362Sbenjsc 1275278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1276173362Sbenjsc 1277278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1278278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1279173362Sbenjsc 1280173362Sbenjsc if (data->m != NULL) { 1281278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1282278366Sadrian BUS_DMASYNC_POSTWRITE); 1283173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1284173362Sbenjsc m_freem(data->m); 1285173362Sbenjsc data->m = NULL; 1286173362Sbenjsc } 1287282397Sadrian if (data->ni != NULL) { 1288282397Sadrian ieee80211_free_node(data->ni); 1289282397Sadrian data->ni = NULL; 1290282397Sadrian } 1291173362Sbenjsc } 1292278366Sadrian /* Clear TX descriptors. */ 1293278366Sadrian memset(ring->desc, 0, ring->desc_dma.size); 1294278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1295278366Sadrian BUS_DMASYNC_PREWRITE); 1296287197Sglebius mbufq_drain(&ring->snd); 1297278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1298173362Sbenjsc ring->queued = 0; 1299173362Sbenjsc ring->cur = 0; 1300278366Sadrian ring->update = 0; 1301173362Sbenjsc} 1302173362Sbenjsc 1303173362Sbenjscstatic void 1304173362Sbenjscwpi_free_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1305173362Sbenjsc{ 1306173362Sbenjsc int i; 1307173362Sbenjsc 1308278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1309278366Sadrian 1310173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1311173362Sbenjsc wpi_dma_contig_free(&ring->cmd_dma); 1312173362Sbenjsc 1313278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1314278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1315173362Sbenjsc 1316278366Sadrian if (data->m != NULL) { 1317278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1318278366Sadrian BUS_DMASYNC_POSTWRITE); 1319278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1320278366Sadrian m_freem(data->m); 1321173362Sbenjsc } 1322278366Sadrian if (data->map != NULL) 1323278366Sadrian bus_dmamap_destroy(ring->data_dmat, data->map); 1324173362Sbenjsc } 1325278366Sadrian if (ring->data_dmat != NULL) { 1326173362Sbenjsc bus_dma_tag_destroy(ring->data_dmat); 1327278366Sadrian ring->data_dmat = NULL; 1328278366Sadrian } 1329173362Sbenjsc} 1330173362Sbenjsc 1331278366Sadrian/* 1332278366Sadrian * Extract various information from EEPROM. 1333278366Sadrian */ 1334173362Sbenjscstatic int 1335278366Sadrianwpi_read_eeprom(struct wpi_softc *sc, uint8_t macaddr[IEEE80211_ADDR_LEN]) 1336173362Sbenjsc{ 1337278366Sadrian#define WPI_CHK(res) do { \ 1338278366Sadrian if ((error = res) != 0) \ 1339278366Sadrian goto fail; \ 1340278366Sadrian} while (0) 1341278366Sadrian int error, i; 1342173362Sbenjsc 1343278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1344173362Sbenjsc 1345278366Sadrian /* Adapter has to be powered on for EEPROM access to work. */ 1346278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 1347278366Sadrian device_printf(sc->sc_dev, 1348278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 1349278366Sadrian error); 1350278366Sadrian return error; 1351278366Sadrian } 1352278366Sadrian 1353278366Sadrian if ((WPI_READ(sc, WPI_EEPROM_GP) & 0x6) == 0) { 1354278366Sadrian device_printf(sc->sc_dev, "bad EEPROM signature\n"); 1355278366Sadrian error = EIO; 1356278366Sadrian goto fail; 1357278366Sadrian } 1358278366Sadrian /* Clear HW ownership of EEPROM. */ 1359278366Sadrian WPI_CLRBITS(sc, WPI_EEPROM_GP, WPI_EEPROM_GP_IF_OWNER); 1360278366Sadrian 1361278366Sadrian /* Read the hardware capabilities, revision and SKU type. */ 1362278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_SKU_CAP, &sc->cap, 1363278366Sadrian sizeof(sc->cap))); 1364278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_REVISION, &sc->rev, 1365278366Sadrian sizeof(sc->rev))); 1366278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_TYPE, &sc->type, 1367278366Sadrian sizeof(sc->type))); 1368278366Sadrian 1369280076Sadrian sc->rev = le16toh(sc->rev); 1370280066Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, "cap=%x rev=%x type=%x\n", sc->cap, 1371280076Sadrian sc->rev, sc->type); 1372278366Sadrian 1373278366Sadrian /* Read the regulatory domain (4 ASCII characters.) */ 1374278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_DOMAIN, sc->domain, 1375278366Sadrian sizeof(sc->domain))); 1376278366Sadrian 1377278366Sadrian /* Read MAC address. */ 1378278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_MAC, macaddr, 1379278366Sadrian IEEE80211_ADDR_LEN)); 1380278366Sadrian 1381278366Sadrian /* Read the list of authorized channels. */ 1382278366Sadrian for (i = 0; i < WPI_CHAN_BANDS_COUNT; i++) 1383278366Sadrian WPI_CHK(wpi_read_eeprom_channels(sc, i)); 1384278366Sadrian 1385278366Sadrian /* Read the list of TX power groups. */ 1386278366Sadrian for (i = 0; i < WPI_POWER_GROUPS_COUNT; i++) 1387278366Sadrian WPI_CHK(wpi_read_eeprom_group(sc, i)); 1388278366Sadrian 1389278366Sadrianfail: wpi_apm_stop(sc); /* Power OFF adapter. */ 1390278366Sadrian 1391278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, error ? TRACE_STR_END_ERR : TRACE_STR_END, 1392278366Sadrian __func__); 1393278366Sadrian 1394278366Sadrian return error; 1395278366Sadrian#undef WPI_CHK 1396278366Sadrian} 1397278366Sadrian 1398278366Sadrian/* 1399278366Sadrian * Translate EEPROM flags to net80211. 1400278366Sadrian */ 1401278366Sadrianstatic uint32_t 1402278366Sadrianwpi_eeprom_channel_flags(struct wpi_eeprom_chan *channel) 1403278366Sadrian{ 1404278366Sadrian uint32_t nflags; 1405278366Sadrian 1406278366Sadrian nflags = 0; 1407278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_ACTIVE) == 0) 1408278366Sadrian nflags |= IEEE80211_CHAN_PASSIVE; 1409278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_IBSS) == 0) 1410278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1411278366Sadrian if (channel->flags & WPI_EEPROM_CHAN_RADAR) { 1412278366Sadrian nflags |= IEEE80211_CHAN_DFS; 1413278366Sadrian /* XXX apparently IBSS may still be marked */ 1414278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1415278366Sadrian } 1416278366Sadrian 1417280105Sadrian /* XXX HOSTAP uses WPI_MODE_IBSS */ 1418280105Sadrian if (nflags & IEEE80211_CHAN_NOADHOC) 1419280105Sadrian nflags |= IEEE80211_CHAN_NOHOSTAP; 1420280105Sadrian 1421278366Sadrian return nflags; 1422278366Sadrian} 1423278366Sadrian 1424278366Sadrianstatic void 1425278366Sadrianwpi_read_eeprom_band(struct wpi_softc *sc, int n) 1426278366Sadrian{ 1427287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1428278366Sadrian struct wpi_eeprom_chan *channels = sc->eeprom_channels[n]; 1429278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1430278366Sadrian struct ieee80211_channel *c; 1431278366Sadrian uint8_t chan; 1432278366Sadrian int i, nflags; 1433278366Sadrian 1434278366Sadrian for (i = 0; i < band->nchan; i++) { 1435278366Sadrian if (!(channels[i].flags & WPI_EEPROM_CHAN_VALID)) { 1436280080Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1437278366Sadrian "Channel Not Valid: %d, band %d\n", 1438278366Sadrian band->chan[i],n); 1439278366Sadrian continue; 1440278366Sadrian } 1441278366Sadrian 1442278366Sadrian chan = band->chan[i]; 1443278366Sadrian nflags = wpi_eeprom_channel_flags(&channels[i]); 1444278366Sadrian 1445278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1446278366Sadrian c->ic_ieee = chan; 1447278366Sadrian c->ic_maxregpower = channels[i].maxpwr; 1448278366Sadrian c->ic_maxpower = 2*c->ic_maxregpower; 1449278366Sadrian 1450278366Sadrian if (n == 0) { /* 2GHz band */ 1451280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1452280066Sadrian IEEE80211_CHAN_G); 1453280066Sadrian 1454278366Sadrian /* G =>'s B is supported */ 1455278366Sadrian c->ic_flags = IEEE80211_CHAN_B | nflags; 1456278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1457278366Sadrian c[0] = c[-1]; 1458278366Sadrian c->ic_flags = IEEE80211_CHAN_G | nflags; 1459278366Sadrian } else { /* 5GHz band */ 1460280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1461280066Sadrian IEEE80211_CHAN_A); 1462280066Sadrian 1463278366Sadrian c->ic_flags = IEEE80211_CHAN_A | nflags; 1464278366Sadrian } 1465278366Sadrian 1466278366Sadrian /* Save maximum allowed TX power for this channel. */ 1467278366Sadrian sc->maxpwr[chan] = channels[i].maxpwr; 1468278366Sadrian 1469278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1470278366Sadrian "adding chan %d (%dMHz) flags=0x%x maxpwr=%d passive=%d," 1471278366Sadrian " offset %d\n", chan, c->ic_freq, 1472278366Sadrian channels[i].flags, sc->maxpwr[chan], 1473278764Sadrian IEEE80211_IS_CHAN_PASSIVE(c), ic->ic_nchans); 1474278366Sadrian } 1475278366Sadrian} 1476278366Sadrian 1477278366Sadrian/** 1478278366Sadrian * Read the eeprom to find out what channels are valid for the given 1479278366Sadrian * band and update net80211 with what we find. 1480278366Sadrian */ 1481278366Sadrianstatic int 1482278366Sadrianwpi_read_eeprom_channels(struct wpi_softc *sc, int n) 1483278366Sadrian{ 1484287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1485278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1486278366Sadrian int error; 1487278366Sadrian 1488278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1489278366Sadrian 1490278366Sadrian error = wpi_read_prom_data(sc, band->addr, &sc->eeprom_channels[n], 1491278366Sadrian band->nchan * sizeof (struct wpi_eeprom_chan)); 1492278366Sadrian if (error != 0) { 1493278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1494278366Sadrian return error; 1495278366Sadrian } 1496278366Sadrian 1497278366Sadrian wpi_read_eeprom_band(sc, n); 1498278366Sadrian 1499278366Sadrian ieee80211_sort_channels(ic->ic_channels, ic->ic_nchans); 1500278366Sadrian 1501278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1502278366Sadrian 1503173362Sbenjsc return 0; 1504173362Sbenjsc} 1505173362Sbenjsc 1506278366Sadrianstatic struct wpi_eeprom_chan * 1507278366Sadrianwpi_find_eeprom_channel(struct wpi_softc *sc, struct ieee80211_channel *c) 1508278366Sadrian{ 1509278366Sadrian int i, j; 1510278366Sadrian 1511278366Sadrian for (j = 0; j < WPI_CHAN_BANDS_COUNT; j++) 1512278366Sadrian for (i = 0; i < wpi_bands[j].nchan; i++) 1513278366Sadrian if (wpi_bands[j].chan[i] == c->ic_ieee) 1514278366Sadrian return &sc->eeprom_channels[j][i]; 1515278366Sadrian 1516278366Sadrian return NULL; 1517278366Sadrian} 1518278366Sadrian 1519278366Sadrian/* 1520278366Sadrian * Enforce flags read from EEPROM. 1521278366Sadrian */ 1522173362Sbenjscstatic int 1523278366Sadrianwpi_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *rd, 1524278366Sadrian int nchan, struct ieee80211_channel chans[]) 1525173362Sbenjsc{ 1526286865Sadrian struct wpi_softc *sc = ic->ic_softc; 1527278366Sadrian int i; 1528173362Sbenjsc 1529278366Sadrian for (i = 0; i < nchan; i++) { 1530278366Sadrian struct ieee80211_channel *c = &chans[i]; 1531278366Sadrian struct wpi_eeprom_chan *channel; 1532278366Sadrian 1533278366Sadrian channel = wpi_find_eeprom_channel(sc, c); 1534278366Sadrian if (channel == NULL) { 1535287197Sglebius ic_printf(ic, "%s: invalid channel %u freq %u/0x%x\n", 1536278366Sadrian __func__, c->ic_ieee, c->ic_freq, c->ic_flags); 1537278366Sadrian return EINVAL; 1538278366Sadrian } 1539278366Sadrian c->ic_flags |= wpi_eeprom_channel_flags(channel); 1540278366Sadrian } 1541278366Sadrian 1542173362Sbenjsc return 0; 1543173362Sbenjsc} 1544173362Sbenjsc 1545173362Sbenjscstatic int 1546278366Sadrianwpi_read_eeprom_group(struct wpi_softc *sc, int n) 1547173362Sbenjsc{ 1548278366Sadrian struct wpi_power_group *group = &sc->groups[n]; 1549278366Sadrian struct wpi_eeprom_group rgroup; 1550278366Sadrian int i, error; 1551173362Sbenjsc 1552278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1553173362Sbenjsc 1554278366Sadrian if ((error = wpi_read_prom_data(sc, WPI_EEPROM_POWER_GRP + n * 32, 1555278366Sadrian &rgroup, sizeof rgroup)) != 0) { 1556278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1557278366Sadrian return error; 1558278366Sadrian } 1559278366Sadrian 1560278366Sadrian /* Save TX power group information. */ 1561278366Sadrian group->chan = rgroup.chan; 1562278366Sadrian group->maxpwr = rgroup.maxpwr; 1563278366Sadrian /* Retrieve temperature at which the samples were taken. */ 1564278366Sadrian group->temp = (int16_t)le16toh(rgroup.temp); 1565278366Sadrian 1566278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1567278366Sadrian "power group %d: chan=%d maxpwr=%d temp=%d\n", n, group->chan, 1568278366Sadrian group->maxpwr, group->temp); 1569278366Sadrian 1570278366Sadrian for (i = 0; i < WPI_SAMPLES_COUNT; i++) { 1571278366Sadrian group->samples[i].index = rgroup.samples[i].index; 1572278366Sadrian group->samples[i].power = rgroup.samples[i].power; 1573278366Sadrian 1574278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1575278366Sadrian "\tsample %d: index=%d power=%d\n", i, 1576278366Sadrian group->samples[i].index, group->samples[i].power); 1577278366Sadrian } 1578278366Sadrian 1579278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1580278366Sadrian 1581173362Sbenjsc return 0; 1582173362Sbenjsc} 1583173362Sbenjsc 1584280069Sadrianstatic int 1585280069Sadrianwpi_add_node_entry_adhoc(struct wpi_softc *sc) 1586280069Sadrian{ 1587280069Sadrian int newid = WPI_ID_IBSS_MIN; 1588280069Sadrian 1589280069Sadrian for (; newid <= WPI_ID_IBSS_MAX; newid++) { 1590280069Sadrian if ((sc->nodesmsk & (1 << newid)) == 0) { 1591280069Sadrian sc->nodesmsk |= 1 << newid; 1592280069Sadrian return newid; 1593280069Sadrian } 1594280069Sadrian } 1595280069Sadrian 1596280069Sadrian return WPI_ID_UNDEFINED; 1597280069Sadrian} 1598280069Sadrian 1599280069Sadrianstatic __inline int 1600280070Sadrianwpi_add_node_entry_sta(struct wpi_softc *sc) 1601280070Sadrian{ 1602280070Sadrian sc->nodesmsk |= 1 << WPI_ID_BSS; 1603280070Sadrian 1604280070Sadrian return WPI_ID_BSS; 1605280070Sadrian} 1606280070Sadrian 1607280070Sadrianstatic __inline int 1608280069Sadrianwpi_check_node_entry(struct wpi_softc *sc, uint8_t id) 1609280069Sadrian{ 1610280069Sadrian if (id == WPI_ID_UNDEFINED) 1611280069Sadrian return 0; 1612280069Sadrian 1613280069Sadrian return (sc->nodesmsk >> id) & 1; 1614280069Sadrian} 1615280069Sadrian 1616280069Sadrianstatic __inline void 1617280069Sadrianwpi_clear_node_table(struct wpi_softc *sc) 1618280069Sadrian{ 1619280069Sadrian sc->nodesmsk = 0; 1620280069Sadrian} 1621280069Sadrian 1622280069Sadrianstatic __inline void 1623280069Sadrianwpi_del_node_entry(struct wpi_softc *sc, uint8_t id) 1624280069Sadrian{ 1625280069Sadrian sc->nodesmsk &= ~(1 << id); 1626280069Sadrian} 1627280069Sadrian 1628278366Sadrianstatic struct ieee80211_node * 1629278366Sadrianwpi_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 1630278366Sadrian{ 1631278366Sadrian struct wpi_node *wn; 1632278366Sadrian 1633278366Sadrian wn = malloc(sizeof (struct wpi_node), M_80211_NODE, 1634278366Sadrian M_NOWAIT | M_ZERO); 1635278366Sadrian 1636278366Sadrian if (wn == NULL) 1637278366Sadrian return NULL; 1638278366Sadrian 1639278366Sadrian wn->id = WPI_ID_UNDEFINED; 1640278366Sadrian 1641278366Sadrian return &wn->ni; 1642278366Sadrian} 1643278366Sadrian 1644278366Sadrianstatic void 1645278366Sadrianwpi_node_free(struct ieee80211_node *ni) 1646278366Sadrian{ 1647287197Sglebius struct wpi_softc *sc = ni->ni_ic->ic_softc; 1648280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 1649278366Sadrian 1650280070Sadrian if (wn->id != WPI_ID_UNDEFINED) { 1651280077Sadrian WPI_NT_LOCK(sc); 1652280069Sadrian if (wpi_check_node_entry(sc, wn->id)) { 1653280069Sadrian wpi_del_node_entry(sc, wn->id); 1654278366Sadrian wpi_del_node(sc, ni); 1655280069Sadrian } 1656280077Sadrian WPI_NT_UNLOCK(sc); 1657278366Sadrian } 1658278366Sadrian 1659278366Sadrian sc->sc_node_free(ni); 1660278366Sadrian} 1661278366Sadrian 1662282375Sadrianstatic __inline int 1663282375Sadrianwpi_check_bss_filter(struct wpi_softc *sc) 1664282375Sadrian{ 1665282375Sadrian return (sc->rxon.filter & htole32(WPI_FILTER_BSS)) != 0; 1666282375Sadrian} 1667282375Sadrian 1668282401Sadrianstatic void 1669283536Sadrianwpi_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m, int subtype, 1670283536Sadrian const struct ieee80211_rx_stats *rxs, 1671283536Sadrian int rssi, int nf) 1672282401Sadrian{ 1673282401Sadrian struct ieee80211vap *vap = ni->ni_vap; 1674286865Sadrian struct wpi_softc *sc = vap->iv_ic->ic_softc; 1675282401Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 1676282401Sadrian uint64_t ni_tstamp, rx_tstamp; 1677282401Sadrian 1678283536Sadrian wvp->wv_recv_mgmt(ni, m, subtype, rxs, rssi, nf); 1679282401Sadrian 1680282401Sadrian if (vap->iv_opmode == IEEE80211_M_IBSS && 1681282401Sadrian vap->iv_state == IEEE80211_S_RUN && 1682282401Sadrian (subtype == IEEE80211_FC0_SUBTYPE_BEACON || 1683282401Sadrian subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP)) { 1684282401Sadrian ni_tstamp = le64toh(ni->ni_tstamp.tsf); 1685282401Sadrian rx_tstamp = le64toh(sc->rx_tstamp); 1686282401Sadrian 1687282401Sadrian if (ni_tstamp >= rx_tstamp) { 1688282401Sadrian DPRINTF(sc, WPI_DEBUG_STATE, 1689282401Sadrian "ibss merge, tsf %ju tstamp %ju\n", 1690282401Sadrian (uintmax_t)rx_tstamp, (uintmax_t)ni_tstamp); 1691282401Sadrian (void) ieee80211_ibss_merge(ni); 1692282401Sadrian } 1693282401Sadrian } 1694282401Sadrian} 1695282401Sadrian 1696282401Sadrianstatic void 1697282401Sadrianwpi_restore_node(void *arg, struct ieee80211_node *ni) 1698282401Sadrian{ 1699282401Sadrian struct wpi_softc *sc = arg; 1700282401Sadrian struct wpi_node *wn = WPI_NODE(ni); 1701282401Sadrian int error; 1702282401Sadrian 1703282401Sadrian WPI_NT_LOCK(sc); 1704282401Sadrian if (wn->id != WPI_ID_UNDEFINED) { 1705282401Sadrian wn->id = WPI_ID_UNDEFINED; 1706282401Sadrian if ((error = wpi_add_ibss_node(sc, ni)) != 0) { 1707282401Sadrian device_printf(sc->sc_dev, 1708282401Sadrian "%s: could not add IBSS node, error %d\n", 1709282401Sadrian __func__, error); 1710282401Sadrian } 1711282401Sadrian } 1712282401Sadrian WPI_NT_UNLOCK(sc); 1713282401Sadrian} 1714282401Sadrian 1715282401Sadrianstatic void 1716282401Sadrianwpi_restore_node_table(struct wpi_softc *sc, struct wpi_vap *wvp) 1717282401Sadrian{ 1718287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1719282401Sadrian 1720282401Sadrian /* Set group keys once. */ 1721282401Sadrian WPI_NT_LOCK(sc); 1722282401Sadrian wvp->wv_gtk = 0; 1723282401Sadrian WPI_NT_UNLOCK(sc); 1724282401Sadrian 1725282401Sadrian ieee80211_iterate_nodes(&ic->ic_sta, wpi_restore_node, sc); 1726282401Sadrian ieee80211_crypto_reload_keys(ic); 1727282401Sadrian} 1728282401Sadrian 1729173362Sbenjsc/** 1730173362Sbenjsc * Called by net80211 when ever there is a change to 80211 state machine 1731173362Sbenjsc */ 1732173362Sbenjscstatic int 1733178354Ssamwpi_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1734173362Sbenjsc{ 1735178354Ssam struct wpi_vap *wvp = WPI_VAP(vap); 1736178354Ssam struct ieee80211com *ic = vap->iv_ic; 1737286865Sadrian struct wpi_softc *sc = ic->ic_softc; 1738278366Sadrian int error = 0; 1739173362Sbenjsc 1740278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1741278366Sadrian 1742287197Sglebius WPI_TXQ_LOCK(sc); 1743287197Sglebius if (nstate > IEEE80211_S_INIT && sc->sc_running == 0) { 1744287197Sglebius DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1745287197Sglebius WPI_TXQ_UNLOCK(sc); 1746287197Sglebius 1747287197Sglebius return ENXIO; 1748287197Sglebius } 1749287197Sglebius WPI_TXQ_UNLOCK(sc); 1750287197Sglebius 1751278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "%s: %s -> %s\n", __func__, 1752178354Ssam ieee80211_state_name[vap->iv_state], 1753278366Sadrian ieee80211_state_name[nstate]); 1754173362Sbenjsc 1755282381Sadrian if (vap->iv_state == IEEE80211_S_RUN && nstate < IEEE80211_S_RUN) { 1756280118Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 1)) != 0) { 1757280118Sadrian device_printf(sc->sc_dev, 1758280118Sadrian "%s: could not set power saving level\n", 1759280118Sadrian __func__); 1760280118Sadrian return error; 1761280118Sadrian } 1762282381Sadrian 1763282381Sadrian wpi_set_led(sc, WPI_LED_LINK, 1, 0); 1764280118Sadrian } 1765280118Sadrian 1766278366Sadrian switch (nstate) { 1767278366Sadrian case IEEE80211_S_SCAN: 1768280108Sadrian WPI_RXON_LOCK(sc); 1769282386Sadrian if (wpi_check_bss_filter(sc) != 0) { 1770278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 1771278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 1772278366Sadrian device_printf(sc->sc_dev, 1773278366Sadrian "%s: could not send RXON\n", __func__); 1774278366Sadrian } 1775216238Sbschmidt } 1776280108Sadrian WPI_RXON_UNLOCK(sc); 1777278366Sadrian break; 1778278366Sadrian 1779278366Sadrian case IEEE80211_S_ASSOC: 1780278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1781278366Sadrian break; 1782278366Sadrian /* FALLTHROUGH */ 1783278366Sadrian case IEEE80211_S_AUTH: 1784216238Sbschmidt /* 1785282391Sadrian * NB: do not optimize AUTH -> AUTH state transmission - 1786282391Sadrian * this will break powersave with non-QoS AP! 1787282391Sadrian */ 1788282391Sadrian 1789282391Sadrian /* 1790216238Sbschmidt * The node must be registered in the firmware before auth. 1791216238Sbschmidt * Also the associd must be cleared on RUN -> ASSOC 1792216238Sbschmidt * transitions. 1793216238Sbschmidt */ 1794278366Sadrian if ((error = wpi_auth(sc, vap)) != 0) { 1795191746Sthompsa device_printf(sc->sc_dev, 1796278366Sadrian "%s: could not move to AUTH state, error %d\n", 1797191746Sthompsa __func__, error); 1798191746Sthompsa } 1799278366Sadrian break; 1800278366Sadrian 1801278366Sadrian case IEEE80211_S_RUN: 1802278366Sadrian /* 1803282401Sadrian * RUN -> RUN transition: 1804282401Sadrian * STA mode: Just restart the timers. 1805282401Sadrian * IBSS mode: Process IBSS merge. 1806278366Sadrian */ 1807278366Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 1808282401Sadrian if (vap->iv_opmode != IEEE80211_M_IBSS) { 1809282401Sadrian WPI_RXON_LOCK(sc); 1810282401Sadrian wpi_calib_timeout(sc); 1811282401Sadrian WPI_RXON_UNLOCK(sc); 1812282401Sadrian break; 1813282401Sadrian } else { 1814282401Sadrian /* 1815282401Sadrian * Drop the BSS_FILTER bit 1816282401Sadrian * (there is no another way to change bssid). 1817282401Sadrian */ 1818282401Sadrian WPI_RXON_LOCK(sc); 1819282401Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 1820282401Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 1821282401Sadrian device_printf(sc->sc_dev, 1822282401Sadrian "%s: could not send RXON\n", 1823282401Sadrian __func__); 1824282401Sadrian } 1825282401Sadrian WPI_RXON_UNLOCK(sc); 1826282401Sadrian 1827282401Sadrian /* Restore all what was lost. */ 1828282401Sadrian wpi_restore_node_table(sc, wvp); 1829282401Sadrian 1830282401Sadrian /* XXX set conditionally? */ 1831282401Sadrian wpi_updateedca(ic); 1832282401Sadrian } 1833278366Sadrian } 1834278366Sadrian 1835278366Sadrian /* 1836278366Sadrian * !RUN -> RUN requires setting the association id 1837278366Sadrian * which is done with a firmware cmd. We also defer 1838278366Sadrian * starting the timers until that work is done. 1839278366Sadrian */ 1840278366Sadrian if ((error = wpi_run(sc, vap)) != 0) { 1841191746Sthompsa device_printf(sc->sc_dev, 1842278366Sadrian "%s: could not move to RUN state\n", __func__); 1843191746Sthompsa } 1844278366Sadrian break; 1845278366Sadrian 1846278366Sadrian default: 1847278366Sadrian break; 1848178354Ssam } 1849278366Sadrian if (error != 0) { 1850278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1851278366Sadrian return error; 1852278366Sadrian } 1853173362Sbenjsc 1854278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1855173362Sbenjsc 1856280085Sadrian return wvp->wv_newstate(vap, nstate, arg); 1857173362Sbenjsc} 1858173362Sbenjsc 1859173362Sbenjscstatic void 1860278366Sadrianwpi_calib_timeout(void *arg) 1861173362Sbenjsc{ 1862278366Sadrian struct wpi_softc *sc = arg; 1863173362Sbenjsc 1864282375Sadrian if (wpi_check_bss_filter(sc) == 0) 1865278366Sadrian return; 1866173362Sbenjsc 1867278366Sadrian wpi_power_calibration(sc); 1868173362Sbenjsc 1869278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 1870173362Sbenjsc} 1871173362Sbenjsc 1872278366Sadrianstatic __inline uint8_t 1873278366Sadrianrate2plcp(const uint8_t rate) 1874173362Sbenjsc{ 1875278366Sadrian switch (rate) { 1876278366Sadrian case 12: return 0xd; 1877278366Sadrian case 18: return 0xf; 1878278366Sadrian case 24: return 0x5; 1879278366Sadrian case 36: return 0x7; 1880278366Sadrian case 48: return 0x9; 1881278366Sadrian case 72: return 0xb; 1882278366Sadrian case 96: return 0x1; 1883278366Sadrian case 108: return 0x3; 1884278366Sadrian case 2: return 10; 1885278366Sadrian case 4: return 20; 1886278366Sadrian case 11: return 55; 1887278366Sadrian case 22: return 110; 1888278366Sadrian default: return 0; 1889173362Sbenjsc } 1890173362Sbenjsc} 1891173362Sbenjsc 1892278366Sadrianstatic __inline uint8_t 1893278366Sadrianplcp2rate(const uint8_t plcp) 1894173362Sbenjsc{ 1895278366Sadrian switch (plcp) { 1896278366Sadrian case 0xd: return 12; 1897278366Sadrian case 0xf: return 18; 1898278366Sadrian case 0x5: return 24; 1899278366Sadrian case 0x7: return 36; 1900278366Sadrian case 0x9: return 48; 1901278366Sadrian case 0xb: return 72; 1902278366Sadrian case 0x1: return 96; 1903278366Sadrian case 0x3: return 108; 1904278366Sadrian case 10: return 2; 1905278366Sadrian case 20: return 4; 1906278366Sadrian case 55: return 11; 1907278366Sadrian case 110: return 22; 1908278366Sadrian default: return 0; 1909173362Sbenjsc } 1910278366Sadrian} 1911173362Sbenjsc 1912278366Sadrian/* Quickly determine if a given rate is CCK or OFDM. */ 1913278366Sadrian#define WPI_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22) 1914173362Sbenjsc 1915173362Sbenjscstatic void 1916278366Sadrianwpi_rx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1917278366Sadrian struct wpi_rx_data *data) 1918173362Sbenjsc{ 1919287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1920173362Sbenjsc struct wpi_rx_ring *ring = &sc->rxq; 1921173362Sbenjsc struct wpi_rx_stat *stat; 1922173362Sbenjsc struct wpi_rx_head *head; 1923173362Sbenjsc struct wpi_rx_tail *tail; 1924278366Sadrian struct ieee80211_frame *wh; 1925173362Sbenjsc struct ieee80211_node *ni; 1926278366Sadrian struct mbuf *m, *m1; 1927177043Sthompsa bus_addr_t paddr; 1928278366Sadrian uint32_t flags; 1929278366Sadrian uint16_t len; 1930177043Sthompsa int error; 1931173362Sbenjsc 1932173362Sbenjsc stat = (struct wpi_rx_stat *)(desc + 1); 1933173362Sbenjsc 1934173362Sbenjsc if (stat->len > WPI_STAT_MAXLEN) { 1935278366Sadrian device_printf(sc->sc_dev, "invalid RX statistic header\n"); 1936278764Sadrian goto fail1; 1937173362Sbenjsc } 1938173362Sbenjsc 1939216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTREAD); 1940173362Sbenjsc head = (struct wpi_rx_head *)((caddr_t)(stat + 1) + stat->len); 1941278366Sadrian len = le16toh(head->len); 1942278366Sadrian tail = (struct wpi_rx_tail *)((caddr_t)(head + 1) + len); 1943278366Sadrian flags = le32toh(tail->flags); 1944173362Sbenjsc 1945278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: idx %d len %d stat len %u rssi %d" 1946278366Sadrian " rate %x chan %d tstamp %ju\n", __func__, ring->cur, 1947278366Sadrian le32toh(desc->len), len, (int8_t)stat->rssi, 1948278366Sadrian head->plcp, head->chan, (uintmax_t)le64toh(tail->tstamp)); 1949173362Sbenjsc 1950278366Sadrian /* Discard frames with a bad FCS early. */ 1951278366Sadrian if ((flags & WPI_RX_NOERROR) != WPI_RX_NOERROR) { 1952278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: RX flags error %x\n", 1953278366Sadrian __func__, flags); 1954278764Sadrian goto fail1; 1955190458Sjmallett } 1956278366Sadrian /* Discard frames that are too short. */ 1957282402Sadrian if (len < sizeof (struct ieee80211_frame_ack)) { 1958278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: frame too short: %d\n", 1959278366Sadrian __func__, len); 1960278764Sadrian goto fail1; 1961190458Sjmallett } 1962190458Sjmallett 1963278366Sadrian m1 = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1964278366Sadrian if (m1 == NULL) { 1965278366Sadrian DPRINTF(sc, WPI_DEBUG_ANY, "%s: no mbuf to restock ring\n", 1966278366Sadrian __func__); 1967278764Sadrian goto fail1; 1968177043Sthompsa } 1969216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1970216824Sbschmidt 1971278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, mtod(m1, void *), 1972278366Sadrian MJUMPAGESIZE, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 1973177043Sthompsa if (error != 0 && error != EFBIG) { 1974177043Sthompsa device_printf(sc->sc_dev, 1975177043Sthompsa "%s: bus_dmamap_load failed, error %d\n", __func__, error); 1976278366Sadrian m_freem(m1); 1977278366Sadrian 1978278366Sadrian /* Try to reload the old mbuf. */ 1979278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, 1980278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1981278366Sadrian &paddr, BUS_DMA_NOWAIT); 1982278366Sadrian if (error != 0 && error != EFBIG) { 1983278366Sadrian panic("%s: could not load old RX mbuf", __func__); 1984278366Sadrian } 1985278366Sadrian /* Physical address may have changed. */ 1986278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1987278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->desc_dma.map, 1988278366Sadrian BUS_DMASYNC_PREWRITE); 1989278764Sadrian goto fail1; 1990177043Sthompsa } 1991177043Sthompsa 1992173362Sbenjsc m = data->m; 1993278366Sadrian data->m = m1; 1994278366Sadrian /* Update RX descriptor. */ 1995278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1996278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1997278366Sadrian BUS_DMASYNC_PREWRITE); 1998278366Sadrian 1999278366Sadrian /* Finalize mbuf. */ 2000173362Sbenjsc m->m_data = (caddr_t)(head + 1); 2001278366Sadrian m->m_pkthdr.len = m->m_len = len; 2002173362Sbenjsc 2003278366Sadrian /* Grab a reference to the source node. */ 2004278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2005173362Sbenjsc 2006278366Sadrian if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) && 2007280088Sadrian (flags & WPI_RX_CIPHER_MASK) == WPI_RX_CIPHER_CCMP) { 2008278366Sadrian /* Check whether decryption was successful or not. */ 2009278366Sadrian if ((flags & WPI_RX_DECRYPT_MASK) != WPI_RX_DECRYPT_OK) { 2010278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, 2011278366Sadrian "CCMP decryption failed 0x%x\n", flags); 2012278764Sadrian goto fail2; 2013278366Sadrian } 2014278366Sadrian m->m_flags |= M_WEP; 2015278366Sadrian } 2016278366Sadrian 2017282402Sadrian if (len >= sizeof(struct ieee80211_frame_min)) 2018282402Sadrian ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 2019282402Sadrian else 2020282402Sadrian ni = NULL; 2021282402Sadrian 2022282401Sadrian sc->rx_tstamp = tail->tstamp; 2023280088Sadrian 2024192468Ssam if (ieee80211_radiotap_active(ic)) { 2025173362Sbenjsc struct wpi_rx_radiotap_header *tap = &sc->sc_rxtap; 2026173362Sbenjsc 2027173362Sbenjsc tap->wr_flags = 0; 2028278366Sadrian if (head->flags & htole16(WPI_STAT_FLAG_SHPREAMBLE)) 2029278366Sadrian tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 2030280064Sadrian tap->wr_dbm_antsignal = (int8_t)(stat->rssi + WPI_RSSI_OFFSET); 2031280081Sadrian tap->wr_dbm_antnoise = WPI_RSSI_OFFSET; 2032173362Sbenjsc tap->wr_tsft = tail->tstamp; 2033173362Sbenjsc tap->wr_antenna = (le16toh(head->flags) >> 4) & 0xf; 2034278366Sadrian tap->wr_rate = plcp2rate(head->plcp); 2035173362Sbenjsc } 2036173362Sbenjsc 2037173362Sbenjsc WPI_UNLOCK(sc); 2038173362Sbenjsc 2039278366Sadrian /* Send the frame to the 802.11 layer. */ 2040178354Ssam if (ni != NULL) { 2041280064Sadrian (void)ieee80211_input(ni, m, stat->rssi, WPI_RSSI_OFFSET); 2042278366Sadrian /* Node is no longer needed. */ 2043178354Ssam ieee80211_free_node(ni); 2044178354Ssam } else 2045280064Sadrian (void)ieee80211_input_all(ic, m, stat->rssi, WPI_RSSI_OFFSET); 2046173362Sbenjsc 2047173362Sbenjsc WPI_LOCK(sc); 2048278764Sadrian 2049278764Sadrian return; 2050278764Sadrian 2051280088Sadrianfail2: m_freem(m); 2052278764Sadrian 2053287197Sglebiusfail1: counter_u64_add(ic->ic_ierrors, 1); 2054173362Sbenjsc} 2055173362Sbenjsc 2056173362Sbenjscstatic void 2057278366Sadrianwpi_rx_statistics(struct wpi_softc *sc, struct wpi_rx_desc *desc, 2058278366Sadrian struct wpi_rx_data *data) 2059173362Sbenjsc{ 2060278366Sadrian /* Ignore */ 2061278366Sadrian} 2062278366Sadrian 2063278366Sadrianstatic void 2064278366Sadrianwpi_tx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 2065278366Sadrian{ 2066173362Sbenjsc struct wpi_tx_ring *ring = &sc->txq[desc->qid & 0x3]; 2067278366Sadrian struct wpi_tx_data *data = &ring->data[desc->idx]; 2068173362Sbenjsc struct wpi_tx_stat *stat = (struct wpi_tx_stat *)(desc + 1); 2069278366Sadrian struct mbuf *m; 2070278366Sadrian struct ieee80211_node *ni; 2071278366Sadrian struct ieee80211vap *vap; 2072280078Sadrian struct ieee80211com *ic; 2073280114Sadrian uint32_t status = le32toh(stat->status); 2074282369Sadrian int ackfailcnt = stat->ackfailcnt / WPI_NTRIES_DEFAULT; 2075173362Sbenjsc 2076278366Sadrian KASSERT(data->ni != NULL, ("no node")); 2077280100Sadrian KASSERT(data->m != NULL, ("no mbuf")); 2078173362Sbenjsc 2079278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2080278366Sadrian 2081278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: " 2082278366Sadrian "qid %d idx %d retries %d btkillcnt %d rate %x duration %d " 2083282369Sadrian "status %x\n", __func__, desc->qid, desc->idx, stat->ackfailcnt, 2084278366Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), status); 2085278366Sadrian 2086278366Sadrian /* Unmap and free mbuf. */ 2087278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTWRITE); 2088278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 2089278366Sadrian m = data->m, data->m = NULL; 2090278366Sadrian ni = data->ni, data->ni = NULL; 2091278366Sadrian vap = ni->ni_vap; 2092280078Sadrian ic = vap->iv_ic; 2093278366Sadrian 2094173362Sbenjsc /* 2095173362Sbenjsc * Update rate control statistics for the node. 2096173362Sbenjsc */ 2097282378Sadrian if (status & WPI_TX_STATUS_FAIL) { 2098278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 2099278764Sadrian IEEE80211_RATECTL_TX_FAILURE, &ackfailcnt, NULL); 2100287197Sglebius } else 2101278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 2102278764Sadrian IEEE80211_RATECTL_TX_SUCCESS, &ackfailcnt, NULL); 2103173362Sbenjsc 2104282378Sadrian ieee80211_tx_complete(ni, m, (status & WPI_TX_STATUS_FAIL) != 0); 2105173362Sbenjsc 2106280112Sadrian WPI_TXQ_STATE_LOCK(sc); 2107280109Sadrian ring->queued -= 1; 2108280111Sadrian if (ring->queued > 0) { 2109280109Sadrian callout_reset(&sc->tx_timeout, 5*hz, wpi_tx_timeout, sc); 2110280111Sadrian 2111287197Sglebius if ((sc->qfullmsk & (1 << ring->qid)) != 0 && 2112287197Sglebius ring->queued < WPI_TX_RING_LOMARK) { 2113280111Sadrian sc->qfullmsk &= ~(1 << ring->qid); 2114287197Sglebius ieee80211_runtask(ic, &sc->sc_start_task); 2115280111Sadrian } 2116280111Sadrian } else 2117280109Sadrian callout_stop(&sc->tx_timeout); 2118280112Sadrian WPI_TXQ_STATE_UNLOCK(sc); 2119280109Sadrian 2120278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2121173362Sbenjsc} 2122173362Sbenjsc 2123278366Sadrian/* 2124278366Sadrian * Process a "command done" firmware notification. This is where we wakeup 2125278366Sadrian * processes waiting for a synchronous command completion. 2126278366Sadrian */ 2127173362Sbenjscstatic void 2128278366Sadrianwpi_cmd_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 2129173362Sbenjsc{ 2130280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 2131173362Sbenjsc struct wpi_tx_data *data; 2132173362Sbenjsc 2133280101Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "cmd notification qid %x idx %d flags %x " 2134280101Sadrian "type %s len %d\n", desc->qid, desc->idx, 2135278366Sadrian desc->flags, wpi_cmd_str(desc->type), 2136278366Sadrian le32toh(desc->len)); 2137173362Sbenjsc 2138280064Sadrian if ((desc->qid & WPI_RX_DESC_QID_MSK) != WPI_CMD_QUEUE_NUM) 2139278366Sadrian return; /* Not a command ack. */ 2140173362Sbenjsc 2141280075Sadrian KASSERT(ring->queued == 0, ("ring->queued must be 0")); 2142280075Sadrian 2143173362Sbenjsc data = &ring->data[desc->idx]; 2144173362Sbenjsc 2145278366Sadrian /* If the command was mapped in an mbuf, free it. */ 2146173362Sbenjsc if (data->m != NULL) { 2147278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 2148278366Sadrian BUS_DMASYNC_POSTWRITE); 2149173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 2150173362Sbenjsc m_freem(data->m); 2151173362Sbenjsc data->m = NULL; 2152173362Sbenjsc } 2153173362Sbenjsc 2154173362Sbenjsc wakeup(&ring->cmd[desc->idx]); 2155282400Sadrian 2156282400Sadrian if (desc->type == WPI_CMD_SET_POWER_MODE) { 2157282400Sadrian WPI_TXQ_LOCK(sc); 2158282400Sadrian if (sc->sc_flags & WPI_PS_PATH) { 2159282400Sadrian sc->sc_update_rx_ring = wpi_update_rx_ring_ps; 2160282400Sadrian sc->sc_update_tx_ring = wpi_update_tx_ring_ps; 2161282400Sadrian } else { 2162282400Sadrian sc->sc_update_rx_ring = wpi_update_rx_ring; 2163282400Sadrian sc->sc_update_tx_ring = wpi_update_tx_ring; 2164282400Sadrian } 2165282400Sadrian WPI_TXQ_UNLOCK(sc); 2166282400Sadrian } 2167173362Sbenjsc} 2168173362Sbenjsc 2169173362Sbenjscstatic void 2170173362Sbenjscwpi_notif_intr(struct wpi_softc *sc) 2171173362Sbenjsc{ 2172287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 2173278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2174280114Sadrian uint32_t hw; 2175173362Sbenjsc 2176216523Sbschmidt bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 2177216523Sbschmidt BUS_DMASYNC_POSTREAD); 2178216523Sbschmidt 2179282398Sadrian hw = le32toh(sc->shared->next) & 0xfff; 2180278366Sadrian hw = (hw == 0) ? WPI_RX_RING_COUNT - 1 : hw - 1; 2181216523Sbschmidt 2182278764Sadrian while (sc->rxq.cur != hw) { 2183278366Sadrian sc->rxq.cur = (sc->rxq.cur + 1) % WPI_RX_RING_COUNT; 2184278366Sadrian 2185278366Sadrian struct wpi_rx_data *data = &sc->rxq.data[sc->rxq.cur]; 2186278366Sadrian struct wpi_rx_desc *desc; 2187278366Sadrian 2188216523Sbschmidt bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2189216523Sbschmidt BUS_DMASYNC_POSTREAD); 2190278366Sadrian desc = mtod(data->m, struct wpi_rx_desc *); 2191173362Sbenjsc 2192278366Sadrian DPRINTF(sc, WPI_DEBUG_NOTIFY, 2193278366Sadrian "%s: cur=%d; qid %x idx %d flags %x type %d(%s) len %d\n", 2194278366Sadrian __func__, sc->rxq.cur, desc->qid, desc->idx, desc->flags, 2195278366Sadrian desc->type, wpi_cmd_str(desc->type), le32toh(desc->len)); 2196173362Sbenjsc 2197280064Sadrian if (!(desc->qid & WPI_UNSOLICITED_RX_NOTIF)) { 2198280064Sadrian /* Reply to a command. */ 2199278366Sadrian wpi_cmd_done(sc, desc); 2200280064Sadrian } 2201173362Sbenjsc 2202173362Sbenjsc switch (desc->type) { 2203173362Sbenjsc case WPI_RX_DONE: 2204278366Sadrian /* An 802.11 frame has been received. */ 2205278366Sadrian wpi_rx_done(sc, desc, data); 2206280055Sadrian 2207287197Sglebius if (sc->sc_running == 0) { 2208280055Sadrian /* wpi_stop() was called. */ 2209280055Sadrian return; 2210280055Sadrian } 2211280055Sadrian 2212173362Sbenjsc break; 2213173362Sbenjsc 2214173362Sbenjsc case WPI_TX_DONE: 2215278366Sadrian /* An 802.11 frame has been transmitted. */ 2216278366Sadrian wpi_tx_done(sc, desc); 2217173362Sbenjsc break; 2218173362Sbenjsc 2219278366Sadrian case WPI_RX_STATISTICS: 2220278366Sadrian case WPI_BEACON_STATISTICS: 2221278366Sadrian wpi_rx_statistics(sc, desc, data); 2222278366Sadrian break; 2223278366Sadrian 2224278366Sadrian case WPI_BEACON_MISSED: 2225278366Sadrian { 2226278366Sadrian struct wpi_beacon_missed *miss = 2227278366Sadrian (struct wpi_beacon_missed *)(desc + 1); 2228282389Sadrian uint32_t expected, misses, received, threshold; 2229278366Sadrian 2230278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2231278366Sadrian BUS_DMASYNC_POSTREAD); 2232282388Sadrian 2233278366Sadrian misses = le32toh(miss->consecutive); 2234282388Sadrian expected = le32toh(miss->expected); 2235282388Sadrian received = le32toh(miss->received); 2236282389Sadrian threshold = MAX(2, vap->iv_bmissthreshold); 2237278366Sadrian 2238282387Sadrian DPRINTF(sc, WPI_DEBUG_BMISS, 2239282390Sadrian "%s: beacons missed %u(%u) (received %u/%u)\n", 2240282390Sadrian __func__, misses, le32toh(miss->total), received, 2241282390Sadrian expected); 2242278366Sadrian 2243282392Sadrian if (misses >= threshold || 2244282392Sadrian (received == 0 && expected >= threshold)) { 2245282392Sadrian WPI_RXON_LOCK(sc); 2246282392Sadrian if (callout_pending(&sc->scan_timeout)) { 2247282392Sadrian wpi_cmd(sc, WPI_CMD_SCAN_ABORT, NULL, 2248282392Sadrian 0, 1); 2249282392Sadrian } 2250282392Sadrian WPI_RXON_UNLOCK(sc); 2251282392Sadrian if (vap->iv_state == IEEE80211_S_RUN && 2252282392Sadrian (ic->ic_flags & IEEE80211_F_SCAN) == 0) 2253282392Sadrian ieee80211_beacon_miss(ic); 2254282392Sadrian } 2255280116Sadrian 2256278366Sadrian break; 2257278366Sadrian } 2258282393Sadrian#ifdef WPI_DEBUG 2259282393Sadrian case WPI_BEACON_SENT: 2260282393Sadrian { 2261282393Sadrian struct wpi_tx_stat *stat = 2262282393Sadrian (struct wpi_tx_stat *)(desc + 1); 2263282393Sadrian uint64_t *tsf = (uint64_t *)(stat + 1); 2264282393Sadrian uint32_t *mode = (uint32_t *)(tsf + 1); 2265282393Sadrian 2266282393Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2267282393Sadrian BUS_DMASYNC_POSTREAD); 2268282393Sadrian 2269282393Sadrian DPRINTF(sc, WPI_DEBUG_BEACON, 2270282393Sadrian "beacon sent: rts %u, ack %u, btkill %u, rate %u, " 2271282393Sadrian "duration %u, status %x, tsf %ju, mode %x\n", 2272282393Sadrian stat->rtsfailcnt, stat->ackfailcnt, 2273282393Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), 2274282393Sadrian le32toh(stat->status), *tsf, *mode); 2275282393Sadrian 2276282393Sadrian break; 2277282393Sadrian } 2278282393Sadrian#endif 2279173362Sbenjsc case WPI_UC_READY: 2280173362Sbenjsc { 2281173362Sbenjsc struct wpi_ucode_info *uc = 2282278366Sadrian (struct wpi_ucode_info *)(desc + 1); 2283173362Sbenjsc 2284278366Sadrian /* The microcontroller is ready. */ 2285278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2286278366Sadrian BUS_DMASYNC_POSTREAD); 2287278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, 2288278366Sadrian "microcode alive notification version=%d.%d " 2289278366Sadrian "subtype=%x alive=%x\n", uc->major, uc->minor, 2290278366Sadrian uc->subtype, le32toh(uc->valid)); 2291173362Sbenjsc 2292173362Sbenjsc if (le32toh(uc->valid) != 1) { 2293173362Sbenjsc device_printf(sc->sc_dev, 2294173362Sbenjsc "microcontroller initialization failed\n"); 2295173362Sbenjsc wpi_stop_locked(sc); 2296287197Sglebius return; 2297173362Sbenjsc } 2298278366Sadrian /* Save the address of the error log in SRAM. */ 2299278366Sadrian sc->errptr = le32toh(uc->errptr); 2300173362Sbenjsc break; 2301173362Sbenjsc } 2302173362Sbenjsc case WPI_STATE_CHANGED: 2303173362Sbenjsc { 2304280059Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2305280059Sadrian BUS_DMASYNC_POSTREAD); 2306278366Sadrian 2307173362Sbenjsc uint32_t *status = (uint32_t *)(desc + 1); 2308278764Sadrian 2309278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "state changed to %x\n", 2310278366Sadrian le32toh(*status)); 2311278764Sadrian 2312173362Sbenjsc if (le32toh(*status) & 1) { 2313280077Sadrian WPI_NT_LOCK(sc); 2314280069Sadrian wpi_clear_node_table(sc); 2315280077Sadrian WPI_NT_UNLOCK(sc); 2316282377Sadrian taskqueue_enqueue(sc->sc_tq, 2317282377Sadrian &sc->sc_radiooff_task); 2318278366Sadrian return; 2319173362Sbenjsc } 2320173362Sbenjsc break; 2321173362Sbenjsc } 2322282395Sadrian#ifdef WPI_DEBUG 2323173362Sbenjsc case WPI_START_SCAN: 2324173362Sbenjsc { 2325278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2326278366Sadrian BUS_DMASYNC_POSTREAD); 2327282395Sadrian 2328173362Sbenjsc struct wpi_start_scan *scan = 2329278366Sadrian (struct wpi_start_scan *)(desc + 1); 2330278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2331278366Sadrian "%s: scanning channel %d status %x\n", 2332278366Sadrian __func__, scan->chan, le32toh(scan->status)); 2333282395Sadrian 2334173362Sbenjsc break; 2335173362Sbenjsc } 2336282395Sadrian#endif 2337173362Sbenjsc case WPI_STOP_SCAN: 2338173362Sbenjsc { 2339278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2340278366Sadrian BUS_DMASYNC_POSTREAD); 2341282392Sadrian 2342173362Sbenjsc struct wpi_stop_scan *scan = 2343278366Sadrian (struct wpi_stop_scan *)(desc + 1); 2344282392Sadrian 2345278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2346278366Sadrian "scan finished nchan=%d status=%d chan=%d\n", 2347278366Sadrian scan->nchan, scan->status, scan->chan); 2348282392Sadrian 2349280108Sadrian WPI_RXON_LOCK(sc); 2350280106Sadrian callout_stop(&sc->scan_timeout); 2351280108Sadrian WPI_RXON_UNLOCK(sc); 2352282392Sadrian if (scan->status == WPI_SCAN_ABORTED) 2353282392Sadrian ieee80211_cancel_scan(vap); 2354282392Sadrian else 2355282392Sadrian ieee80211_scan_next(vap); 2356173362Sbenjsc break; 2357173362Sbenjsc } 2358278366Sadrian } 2359280119Sadrian 2360280119Sadrian if (sc->rxq.cur % 8 == 0) { 2361280119Sadrian /* Tell the firmware what we have processed. */ 2362282400Sadrian sc->sc_update_rx_ring(sc); 2363280119Sadrian } 2364278764Sadrian } 2365278366Sadrian} 2366278366Sadrian 2367278366Sadrian/* 2368278366Sadrian * Process an INT_WAKEUP interrupt raised when the microcontroller wakes up 2369278366Sadrian * from power-down sleep mode. 2370278366Sadrian */ 2371280059Sadrianstatic void 2372278366Sadrianwpi_wakeup_intr(struct wpi_softc *sc) 2373278366Sadrian{ 2374278366Sadrian int qid; 2375278366Sadrian 2376278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 2377278366Sadrian "%s: ucode wakeup from power-down sleep\n", __func__); 2378278366Sadrian 2379278366Sadrian /* Wakeup RX and TX rings. */ 2380278366Sadrian if (sc->rxq.update) { 2381278764Sadrian sc->rxq.update = 0; 2382278366Sadrian wpi_update_rx_ring(sc); 2383278366Sadrian } 2384280071Sadrian WPI_TXQ_LOCK(sc); 2385280058Sadrian for (qid = 0; qid < WPI_DRV_NTXQUEUES; qid++) { 2386278366Sadrian struct wpi_tx_ring *ring = &sc->txq[qid]; 2387278366Sadrian 2388278366Sadrian if (ring->update) { 2389278764Sadrian ring->update = 0; 2390278366Sadrian wpi_update_tx_ring(sc, ring); 2391173362Sbenjsc } 2392278366Sadrian } 2393282400Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 2394280071Sadrian WPI_TXQ_UNLOCK(sc); 2395278366Sadrian} 2396278366Sadrian 2397278366Sadrian/* 2398280093Sadrian * This function prints firmware registers 2399280093Sadrian */ 2400280093Sadrian#ifdef WPI_DEBUG 2401280093Sadrianstatic void 2402280093Sadrianwpi_debug_registers(struct wpi_softc *sc) 2403280093Sadrian{ 2404282398Sadrian size_t i; 2405280093Sadrian static const uint32_t csr_tbl[] = { 2406280093Sadrian WPI_HW_IF_CONFIG, 2407280093Sadrian WPI_INT, 2408280093Sadrian WPI_INT_MASK, 2409280093Sadrian WPI_FH_INT, 2410280093Sadrian WPI_GPIO_IN, 2411280093Sadrian WPI_RESET, 2412280093Sadrian WPI_GP_CNTRL, 2413280093Sadrian WPI_EEPROM, 2414280093Sadrian WPI_EEPROM_GP, 2415280093Sadrian WPI_GIO, 2416280093Sadrian WPI_UCODE_GP1, 2417280093Sadrian WPI_UCODE_GP2, 2418280093Sadrian WPI_GIO_CHICKEN, 2419280093Sadrian WPI_ANA_PLL, 2420280093Sadrian WPI_DBG_HPET_MEM, 2421280093Sadrian }; 2422280093Sadrian static const uint32_t prph_tbl[] = { 2423280093Sadrian WPI_APMG_CLK_CTRL, 2424280093Sadrian WPI_APMG_PS, 2425280093Sadrian WPI_APMG_PCI_STT, 2426280093Sadrian WPI_APMG_RFKILL, 2427280093Sadrian }; 2428280093Sadrian 2429280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER,"%s","\n"); 2430280093Sadrian 2431282396Sadrian for (i = 0; i < nitems(csr_tbl); i++) { 2432280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, " %-18s: 0x%08x ", 2433280093Sadrian wpi_get_csr_string(csr_tbl[i]), WPI_READ(sc, csr_tbl[i])); 2434280093Sadrian 2435280093Sadrian if ((i + 1) % 2 == 0) 2436280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2437280093Sadrian } 2438280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n\n"); 2439280093Sadrian 2440280093Sadrian if (wpi_nic_lock(sc) == 0) { 2441282396Sadrian for (i = 0; i < nitems(prph_tbl); i++) { 2442280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, " %-18s: 0x%08x ", 2443280093Sadrian wpi_get_prph_string(prph_tbl[i]), 2444280093Sadrian wpi_prph_read(sc, prph_tbl[i])); 2445280093Sadrian 2446280093Sadrian if ((i + 1) % 2 == 0) 2447280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2448280093Sadrian } 2449280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2450280093Sadrian wpi_nic_unlock(sc); 2451280093Sadrian } else { 2452280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, 2453280093Sadrian "Cannot access internal registers.\n"); 2454280093Sadrian } 2455280093Sadrian} 2456280093Sadrian#endif 2457280093Sadrian 2458280093Sadrian/* 2459278366Sadrian * Dump the error log of the firmware when a firmware panic occurs. Although 2460278366Sadrian * we can't debug the firmware because it is neither open source nor free, it 2461278366Sadrian * can help us to identify certain classes of problems. 2462278366Sadrian */ 2463278366Sadrianstatic void 2464278366Sadrianwpi_fatal_intr(struct wpi_softc *sc) 2465278366Sadrian{ 2466278366Sadrian struct wpi_fw_dump dump; 2467278366Sadrian uint32_t i, offset, count; 2468278366Sadrian 2469278366Sadrian /* Check that the error log address is valid. */ 2470278366Sadrian if (sc->errptr < WPI_FW_DATA_BASE || 2471278366Sadrian sc->errptr + sizeof (dump) > 2472278366Sadrian WPI_FW_DATA_BASE + WPI_FW_DATA_MAXSZ) { 2473278366Sadrian printf("%s: bad firmware error log address 0x%08x\n", __func__, 2474278366Sadrian sc->errptr); 2475280059Sadrian return; 2476280059Sadrian } 2477278366Sadrian if (wpi_nic_lock(sc) != 0) { 2478278366Sadrian printf("%s: could not read firmware error log\n", __func__); 2479280059Sadrian return; 2480280059Sadrian } 2481278366Sadrian /* Read number of entries in the log. */ 2482278366Sadrian count = wpi_mem_read(sc, sc->errptr); 2483278366Sadrian if (count == 0 || count * sizeof (dump) > WPI_FW_DATA_MAXSZ) { 2484278366Sadrian printf("%s: invalid count field (count = %u)\n", __func__, 2485278366Sadrian count); 2486278366Sadrian wpi_nic_unlock(sc); 2487278366Sadrian return; 2488173362Sbenjsc } 2489278366Sadrian /* Skip "count" field. */ 2490278366Sadrian offset = sc->errptr + sizeof (uint32_t); 2491278366Sadrian printf("firmware error log (count = %u):\n", count); 2492278366Sadrian for (i = 0; i < count; i++) { 2493278366Sadrian wpi_mem_read_region_4(sc, offset, (uint32_t *)&dump, 2494278366Sadrian sizeof (dump) / sizeof (uint32_t)); 2495173362Sbenjsc 2496278366Sadrian printf(" error type = \"%s\" (0x%08X)\n", 2497282396Sadrian (dump.desc < nitems(wpi_fw_errmsg)) ? 2498278366Sadrian wpi_fw_errmsg[dump.desc] : "UNKNOWN", 2499278366Sadrian dump.desc); 2500278366Sadrian printf(" error data = 0x%08X\n", 2501278366Sadrian dump.data); 2502278366Sadrian printf(" branch link = 0x%08X%08X\n", 2503278366Sadrian dump.blink[0], dump.blink[1]); 2504278366Sadrian printf(" interrupt link = 0x%08X%08X\n", 2505278366Sadrian dump.ilink[0], dump.ilink[1]); 2506278366Sadrian printf(" time = %u\n", dump.time); 2507278366Sadrian 2508278366Sadrian offset += sizeof (dump); 2509278366Sadrian } 2510278366Sadrian wpi_nic_unlock(sc); 2511278366Sadrian /* Dump driver status (TX and RX rings) while we're here. */ 2512278366Sadrian printf("driver status:\n"); 2513280071Sadrian WPI_TXQ_LOCK(sc); 2514280058Sadrian for (i = 0; i < WPI_DRV_NTXQUEUES; i++) { 2515278366Sadrian struct wpi_tx_ring *ring = &sc->txq[i]; 2516278366Sadrian printf(" tx ring %2d: qid=%-2d cur=%-3d queued=%-3d\n", 2517278366Sadrian i, ring->qid, ring->cur, ring->queued); 2518278366Sadrian } 2519280071Sadrian WPI_TXQ_UNLOCK(sc); 2520278366Sadrian printf(" rx ring: cur=%d\n", sc->rxq.cur); 2521173362Sbenjsc} 2522173362Sbenjsc 2523173362Sbenjscstatic void 2524173362Sbenjscwpi_intr(void *arg) 2525173362Sbenjsc{ 2526173362Sbenjsc struct wpi_softc *sc = arg; 2527278366Sadrian uint32_t r1, r2; 2528173362Sbenjsc 2529173362Sbenjsc WPI_LOCK(sc); 2530173362Sbenjsc 2531278366Sadrian /* Disable interrupts. */ 2532278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 2533278366Sadrian 2534278366Sadrian r1 = WPI_READ(sc, WPI_INT); 2535278366Sadrian 2536280065Sadrian if (r1 == 0xffffffff || (r1 & 0xfffffff0) == 0xa5a5a5a0) 2537280065Sadrian goto end; /* Hardware gone! */ 2538173362Sbenjsc 2539278366Sadrian r2 = WPI_READ(sc, WPI_FH_INT); 2540173362Sbenjsc 2541278366Sadrian DPRINTF(sc, WPI_DEBUG_INTR, "%s: reg1=0x%08x reg2=0x%08x\n", __func__, 2542278366Sadrian r1, r2); 2543278366Sadrian 2544278366Sadrian if (r1 == 0 && r2 == 0) 2545278366Sadrian goto done; /* Interrupt not for us. */ 2546278366Sadrian 2547278366Sadrian /* Acknowledge interrupts. */ 2548278366Sadrian WPI_WRITE(sc, WPI_INT, r1); 2549278366Sadrian WPI_WRITE(sc, WPI_FH_INT, r2); 2550278366Sadrian 2551278366Sadrian if (r1 & (WPI_INT_SW_ERR | WPI_INT_HW_ERR)) { 2552173362Sbenjsc device_printf(sc->sc_dev, "fatal firmware error\n"); 2553280093Sadrian#ifdef WPI_DEBUG 2554280093Sadrian wpi_debug_registers(sc); 2555280093Sadrian#endif 2556278366Sadrian wpi_fatal_intr(sc); 2557278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 2558278366Sadrian "(%s)\n", (r1 & WPI_INT_SW_ERR) ? "(Software Error)" : 2559278366Sadrian "(Hardware Error)"); 2560280120Sadrian taskqueue_enqueue(sc->sc_tq, &sc->sc_reinittask); 2561280065Sadrian goto end; 2562173362Sbenjsc } 2563173362Sbenjsc 2564278366Sadrian if ((r1 & (WPI_INT_FH_RX | WPI_INT_SW_RX)) || 2565278366Sadrian (r2 & WPI_FH_INT_RX)) 2566173362Sbenjsc wpi_notif_intr(sc); 2567173362Sbenjsc 2568278366Sadrian if (r1 & WPI_INT_ALIVE) 2569278366Sadrian wakeup(sc); /* Firmware is alive. */ 2570173362Sbenjsc 2571278366Sadrian if (r1 & WPI_INT_WAKEUP) 2572278366Sadrian wpi_wakeup_intr(sc); 2573173362Sbenjsc 2574278366Sadriandone: 2575278366Sadrian /* Re-enable interrupts. */ 2576287197Sglebius if (sc->sc_running) 2577278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 2578278366Sadrian 2579280065Sadrianend: WPI_UNLOCK(sc); 2580173362Sbenjsc} 2581173362Sbenjsc 2582278366Sadrianstatic int 2583278366Sadrianwpi_cmd2(struct wpi_softc *sc, struct wpi_buf *buf) 2584173362Sbenjsc{ 2585278366Sadrian struct ieee80211_frame *wh; 2586278366Sadrian struct wpi_tx_cmd *cmd; 2587278366Sadrian struct wpi_tx_data *data; 2588278366Sadrian struct wpi_tx_desc *desc; 2589278366Sadrian struct wpi_tx_ring *ring; 2590278366Sadrian struct mbuf *m1; 2591278366Sadrian bus_dma_segment_t *seg, segs[WPI_MAX_SCATTER]; 2592279763Sadrian int error, i, hdrlen, nsegs, totlen, pad; 2593173362Sbenjsc 2594280071Sadrian WPI_TXQ_LOCK(sc); 2595280071Sadrian 2596280082Sadrian KASSERT(buf->size <= sizeof(buf->data), ("buffer overflow")); 2597280082Sadrian 2598278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2599278366Sadrian 2600287197Sglebius if (sc->sc_running == 0) { 2601280071Sadrian /* wpi_stop() was called */ 2602280071Sadrian error = ENETDOWN; 2603280071Sadrian goto fail; 2604280071Sadrian } 2605280071Sadrian 2606278366Sadrian wh = mtod(buf->m, struct ieee80211_frame *); 2607279763Sadrian hdrlen = ieee80211_anyhdrsize(wh); 2608278366Sadrian totlen = buf->m->m_pkthdr.len; 2609278366Sadrian 2610279763Sadrian if (hdrlen & 3) { 2611279763Sadrian /* First segment length must be a multiple of 4. */ 2612279763Sadrian pad = 4 - (hdrlen & 3); 2613279763Sadrian } else 2614279763Sadrian pad = 0; 2615279763Sadrian 2616278366Sadrian ring = &sc->txq[buf->ac]; 2617278366Sadrian desc = &ring->desc[ring->cur]; 2618278366Sadrian data = &ring->data[ring->cur]; 2619278366Sadrian 2620278366Sadrian /* Prepare TX firmware command. */ 2621278366Sadrian cmd = &ring->cmd[ring->cur]; 2622278366Sadrian cmd->code = buf->code; 2623278366Sadrian cmd->flags = 0; 2624278366Sadrian cmd->qid = ring->qid; 2625278366Sadrian cmd->idx = ring->cur; 2626278366Sadrian 2627278366Sadrian memcpy(cmd->data, buf->data, buf->size); 2628278366Sadrian 2629278366Sadrian /* Save and trim IEEE802.11 header. */ 2630279763Sadrian memcpy((uint8_t *)(cmd->data + buf->size), wh, hdrlen); 2631279763Sadrian m_adj(buf->m, hdrlen); 2632278366Sadrian 2633278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, buf->m, 2634278366Sadrian segs, &nsegs, BUS_DMA_NOWAIT); 2635278366Sadrian if (error != 0 && error != EFBIG) { 2636278366Sadrian device_printf(sc->sc_dev, 2637278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, error); 2638280071Sadrian goto fail; 2639173362Sbenjsc } 2640278366Sadrian if (error != 0) { 2641278366Sadrian /* Too many DMA segments, linearize mbuf. */ 2642280050Sadrian m1 = m_collapse(buf->m, M_NOWAIT, WPI_MAX_SCATTER - 1); 2643278366Sadrian if (m1 == NULL) { 2644278366Sadrian device_printf(sc->sc_dev, 2645278366Sadrian "%s: could not defrag mbuf\n", __func__); 2646280071Sadrian error = ENOBUFS; 2647280071Sadrian goto fail; 2648278366Sadrian } 2649278366Sadrian buf->m = m1; 2650278366Sadrian 2651278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, 2652278366Sadrian buf->m, segs, &nsegs, BUS_DMA_NOWAIT); 2653278366Sadrian if (error != 0) { 2654278366Sadrian device_printf(sc->sc_dev, 2655280066Sadrian "%s: can't map mbuf (error %d)\n", __func__, 2656280066Sadrian error); 2657280071Sadrian goto fail; 2658278366Sadrian } 2659278366Sadrian } 2660278366Sadrian 2661280050Sadrian KASSERT(nsegs < WPI_MAX_SCATTER, 2662280050Sadrian ("too many DMA segments, nsegs (%d) should be less than %d", 2663280050Sadrian nsegs, WPI_MAX_SCATTER)); 2664280050Sadrian 2665278366Sadrian data->m = buf->m; 2666278366Sadrian data->ni = buf->ni; 2667278366Sadrian 2668278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: qid %d idx %d len %d nsegs %d\n", 2669278366Sadrian __func__, ring->qid, ring->cur, totlen, nsegs); 2670278366Sadrian 2671278366Sadrian /* Fill TX descriptor. */ 2672279763Sadrian desc->nsegs = WPI_PAD32(totlen + pad) << 4 | (1 + nsegs); 2673278366Sadrian /* First DMA segment is used by the TX command. */ 2674278366Sadrian desc->segs[0].addr = htole32(data->cmd_paddr); 2675279763Sadrian desc->segs[0].len = htole32(4 + buf->size + hdrlen + pad); 2676278366Sadrian /* Other DMA segments are for data payload. */ 2677278366Sadrian seg = &segs[0]; 2678278366Sadrian for (i = 1; i <= nsegs; i++) { 2679278366Sadrian desc->segs[i].addr = htole32(seg->ds_addr); 2680278366Sadrian desc->segs[i].len = htole32(seg->ds_len); 2681278366Sadrian seg++; 2682278366Sadrian } 2683278366Sadrian 2684278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); 2685278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2686278366Sadrian BUS_DMASYNC_PREWRITE); 2687278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2688278366Sadrian BUS_DMASYNC_PREWRITE); 2689278366Sadrian 2690278366Sadrian /* Kick TX ring. */ 2691278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2692282400Sadrian sc->sc_update_tx_ring(sc, ring); 2693278366Sadrian 2694280075Sadrian if (ring->qid < WPI_CMD_QUEUE_NUM) { 2695280075Sadrian /* Mark TX ring as full if we reach a certain threshold. */ 2696280112Sadrian WPI_TXQ_STATE_LOCK(sc); 2697287197Sglebius if (++ring->queued > WPI_TX_RING_HIMARK) 2698280075Sadrian sc->qfullmsk |= 1 << ring->qid; 2699280109Sadrian callout_reset(&sc->tx_timeout, 5*hz, wpi_tx_timeout, sc); 2700280112Sadrian WPI_TXQ_STATE_UNLOCK(sc); 2701280075Sadrian } 2702280074Sadrian 2703278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2704278366Sadrian 2705280071Sadrian WPI_TXQ_UNLOCK(sc); 2706280071Sadrian 2707278366Sadrian return 0; 2708280071Sadrian 2709280071Sadrianfail: m_freem(buf->m); 2710280071Sadrian 2711280071Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2712280071Sadrian 2713280071Sadrian WPI_TXQ_UNLOCK(sc); 2714280071Sadrian 2715280071Sadrian return error; 2716173362Sbenjsc} 2717173362Sbenjsc 2718173362Sbenjsc/* 2719278366Sadrian * Construct the data packet for a transmit buffer. 2720173362Sbenjsc */ 2721173362Sbenjscstatic int 2722278366Sadrianwpi_tx_data(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2723173362Sbenjsc{ 2724278366Sadrian const struct ieee80211_txparam *tp; 2725178354Ssam struct ieee80211vap *vap = ni->ni_vap; 2726278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2727280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 2728278366Sadrian struct ieee80211_channel *chan; 2729173362Sbenjsc struct ieee80211_frame *wh; 2730278366Sadrian struct ieee80211_key *k = NULL; 2731278366Sadrian struct wpi_buf tx_data; 2732280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2733278366Sadrian uint32_t flags; 2734278366Sadrian uint16_t qos; 2735278366Sadrian uint8_t tid, type; 2736280068Sadrian int ac, error, swcrypt, rate, ismcast, totlen; 2737173362Sbenjsc 2738278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2739278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2740278366Sadrian ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 2741173362Sbenjsc 2742278366Sadrian /* Select EDCA Access Category and TX ring for this frame. */ 2743278366Sadrian if (IEEE80211_QOS_HAS_SEQ(wh)) { 2744282391Sadrian qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 2745278366Sadrian tid = qos & IEEE80211_QOS_TID; 2746278366Sadrian } else { 2747278366Sadrian qos = 0; 2748278366Sadrian tid = 0; 2749280059Sadrian } 2750278366Sadrian ac = M_WME_GETAC(m); 2751173362Sbenjsc 2752278366Sadrian chan = (ni->ni_chan != IEEE80211_CHAN_ANYC) ? 2753278366Sadrian ni->ni_chan : ic->ic_curchan; 2754278366Sadrian tp = &vap->iv_txparms[ieee80211_chan2mode(chan)]; 2755173362Sbenjsc 2756278366Sadrian /* Choose a TX rate index. */ 2757278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) 2758278366Sadrian rate = tp->mgmtrate; 2759278366Sadrian else if (ismcast) 2760278366Sadrian rate = tp->mcastrate; 2761278366Sadrian else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2762278366Sadrian rate = tp->ucastrate; 2763278366Sadrian else if (m->m_flags & M_EAPOL) 2764278366Sadrian rate = tp->mgmtrate; 2765278366Sadrian else { 2766278366Sadrian /* XXX pass pktlen */ 2767278366Sadrian (void) ieee80211_ratectl_rate(ni, NULL, 0); 2768278366Sadrian rate = ni->ni_txrate; 2769278366Sadrian } 2770278366Sadrian 2771278366Sadrian /* Encrypt the frame if need be. */ 2772260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2773278366Sadrian /* Retrieve key for TX. */ 2774278366Sadrian k = ieee80211_crypto_encap(ni, m); 2775177043Sthompsa if (k == NULL) { 2776278366Sadrian error = ENOBUFS; 2777278366Sadrian goto fail; 2778173362Sbenjsc } 2779280068Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2780280068Sadrian 2781278366Sadrian /* 802.11 header may have moved. */ 2782278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2783173362Sbenjsc } 2784279763Sadrian totlen = m->m_pkthdr.len; 2785173362Sbenjsc 2786278366Sadrian if (ieee80211_radiotap_active_vap(vap)) { 2787278366Sadrian struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2788173362Sbenjsc 2789279763Sadrian tap->wt_flags = 0; 2790278366Sadrian tap->wt_rate = rate; 2791278366Sadrian if (k != NULL) 2792278366Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2793173362Sbenjsc 2794278366Sadrian ieee80211_radiotap_tx(vap, m); 2795278366Sadrian } 2796278366Sadrian 2797278366Sadrian flags = 0; 2798177119Ssam if (!ismcast) { 2799278366Sadrian /* Unicast frame, check if an ACK is expected. */ 2800278366Sadrian if (!qos || (qos & IEEE80211_QOS_ACKPOLICY) != 2801278366Sadrian IEEE80211_QOS_ACKPOLICY_NOACK) 2802278366Sadrian flags |= WPI_TX_NEED_ACK; 2803278366Sadrian } 2804278366Sadrian 2805282399Sadrian if (!IEEE80211_QOS_HAS_SEQ(wh)) 2806282399Sadrian flags |= WPI_TX_AUTO_SEQ; 2807278764Sadrian if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) 2808278764Sadrian flags |= WPI_TX_MORE_FRAG; /* Cannot happen yet. */ 2809278764Sadrian 2810278366Sadrian /* Check if frame must be protected using RTS/CTS or CTS-to-self. */ 2811278366Sadrian if (!ismcast) { 2812278366Sadrian /* NB: Group frames are sent using CCK in 802.11b/g. */ 2813278366Sadrian if (totlen + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) { 2814278366Sadrian flags |= WPI_TX_NEED_RTS; 2815278366Sadrian } else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2816278366Sadrian WPI_RATE_IS_OFDM(rate)) { 2817278366Sadrian if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2818278366Sadrian flags |= WPI_TX_NEED_CTS; 2819278366Sadrian else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2820278366Sadrian flags |= WPI_TX_NEED_RTS; 2821177043Sthompsa } 2822278366Sadrian 2823278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2824278366Sadrian flags |= WPI_TX_FULL_TXOP; 2825173362Sbenjsc } 2826278366Sadrian 2827280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2828278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2829173362Sbenjsc uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2830278366Sadrian 2831278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2832173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2833278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2834173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2835177043Sthompsa subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2836280082Sadrian tx->timeout = htole16(3); 2837173362Sbenjsc else 2838280082Sadrian tx->timeout = htole16(2); 2839177043Sthompsa } 2840173362Sbenjsc 2841278366Sadrian if (ismcast || type != IEEE80211_FC0_TYPE_DATA) 2842280082Sadrian tx->id = WPI_ID_BROADCAST; 2843278366Sadrian else { 2844278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 2845278366Sadrian device_printf(sc->sc_dev, 2846278366Sadrian "%s: undefined node id\n", __func__); 2847278366Sadrian error = EINVAL; 2848278366Sadrian goto fail; 2849278366Sadrian } 2850278366Sadrian 2851280082Sadrian tx->id = wn->id; 2852278366Sadrian } 2853278366Sadrian 2854280068Sadrian if (k != NULL && !swcrypt) { 2855280068Sadrian switch (k->wk_cipher->ic_cipher) { 2856280068Sadrian case IEEE80211_CIPHER_AES_CCM: 2857280082Sadrian tx->security = WPI_CIPHER_CCMP; 2858280068Sadrian break; 2859280068Sadrian 2860280068Sadrian default: 2861280068Sadrian break; 2862280068Sadrian } 2863280068Sadrian 2864280082Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 2865280068Sadrian } 2866280068Sadrian 2867280082Sadrian tx->len = htole16(totlen); 2868280082Sadrian tx->flags = htole32(flags); 2869280082Sadrian tx->plcp = rate2plcp(rate); 2870280082Sadrian tx->tid = tid; 2871280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 2872280082Sadrian tx->ofdm_mask = 0xff; 2873280082Sadrian tx->cck_mask = 0x0f; 2874280082Sadrian tx->rts_ntries = 7; 2875282373Sadrian tx->data_ntries = tp->maxretry; 2876278366Sadrian 2877278366Sadrian tx_data.ni = ni; 2878278366Sadrian tx_data.m = m; 2879280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 2880278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2881278366Sadrian tx_data.ac = ac; 2882278366Sadrian 2883278366Sadrian return wpi_cmd2(sc, &tx_data); 2884278366Sadrian 2885278366Sadrianfail: m_freem(m); 2886278366Sadrian return error; 2887278366Sadrian} 2888278366Sadrian 2889278366Sadrianstatic int 2890280066Sadrianwpi_tx_data_raw(struct wpi_softc *sc, struct mbuf *m, 2891280066Sadrian struct ieee80211_node *ni, const struct ieee80211_bpf_params *params) 2892278366Sadrian{ 2893278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 2894280087Sadrian struct ieee80211_key *k = NULL; 2895278366Sadrian struct ieee80211_frame *wh; 2896278366Sadrian struct wpi_buf tx_data; 2897280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2898278366Sadrian uint32_t flags; 2899278366Sadrian uint8_t type; 2900280087Sadrian int ac, rate, swcrypt, totlen; 2901278366Sadrian 2902278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2903278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2904278366Sadrian 2905278366Sadrian ac = params->ibp_pri & 3; 2906278366Sadrian 2907278366Sadrian /* Choose a TX rate index. */ 2908278366Sadrian rate = params->ibp_rate0; 2909278366Sadrian 2910278366Sadrian flags = 0; 2911282399Sadrian if (!IEEE80211_QOS_HAS_SEQ(wh)) 2912282399Sadrian flags |= WPI_TX_AUTO_SEQ; 2913278366Sadrian if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2914278366Sadrian flags |= WPI_TX_NEED_ACK; 2915278366Sadrian if (params->ibp_flags & IEEE80211_BPF_RTS) 2916278366Sadrian flags |= WPI_TX_NEED_RTS; 2917278366Sadrian if (params->ibp_flags & IEEE80211_BPF_CTS) 2918278366Sadrian flags |= WPI_TX_NEED_CTS; 2919278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2920278366Sadrian flags |= WPI_TX_FULL_TXOP; 2921278366Sadrian 2922280087Sadrian /* Encrypt the frame if need be. */ 2923280087Sadrian if (params->ibp_flags & IEEE80211_BPF_CRYPTO) { 2924280087Sadrian /* Retrieve key for TX. */ 2925280087Sadrian k = ieee80211_crypto_encap(ni, m); 2926280087Sadrian if (k == NULL) { 2927280087Sadrian m_freem(m); 2928280087Sadrian return ENOBUFS; 2929280087Sadrian } 2930280087Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2931280087Sadrian 2932280087Sadrian /* 802.11 header may have moved. */ 2933280087Sadrian wh = mtod(m, struct ieee80211_frame *); 2934280087Sadrian } 2935280087Sadrian totlen = m->m_pkthdr.len; 2936280087Sadrian 2937192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2938177043Sthompsa struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2939278366Sadrian 2940177043Sthompsa tap->wt_flags = 0; 2941177043Sthompsa tap->wt_rate = rate; 2942280087Sadrian if (params->ibp_flags & IEEE80211_BPF_CRYPTO) 2943280087Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2944178354Ssam 2945278366Sadrian ieee80211_radiotap_tx(vap, m); 2946177043Sthompsa } 2947173362Sbenjsc 2948280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2949278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2950278366Sadrian uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2951173362Sbenjsc 2952278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2953278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2954278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2955278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2956278366Sadrian subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2957280082Sadrian tx->timeout = htole16(3); 2958278366Sadrian else 2959280082Sadrian tx->timeout = htole16(2); 2960173362Sbenjsc } 2961173362Sbenjsc 2962280087Sadrian if (k != NULL && !swcrypt) { 2963280087Sadrian switch (k->wk_cipher->ic_cipher) { 2964280087Sadrian case IEEE80211_CIPHER_AES_CCM: 2965280087Sadrian tx->security = WPI_CIPHER_CCMP; 2966280087Sadrian break; 2967280087Sadrian 2968280087Sadrian default: 2969280087Sadrian break; 2970280087Sadrian } 2971280087Sadrian 2972280087Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 2973280087Sadrian } 2974280087Sadrian 2975280082Sadrian tx->len = htole16(totlen); 2976280082Sadrian tx->flags = htole32(flags); 2977280082Sadrian tx->plcp = rate2plcp(rate); 2978280082Sadrian tx->id = WPI_ID_BROADCAST; 2979280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 2980280082Sadrian tx->rts_ntries = params->ibp_try1; 2981280082Sadrian tx->data_ntries = params->ibp_try0; 2982278366Sadrian 2983278366Sadrian tx_data.ni = ni; 2984278366Sadrian tx_data.m = m; 2985280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 2986278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2987278366Sadrian tx_data.ac = ac; 2988278366Sadrian 2989278366Sadrian return wpi_cmd2(sc, &tx_data); 2990278366Sadrian} 2991278366Sadrian 2992287197Sglebiusstatic __inline int 2993287197Sglebiuswpi_tx_ring_is_full(struct wpi_softc *sc, int ac) 2994287197Sglebius{ 2995287197Sglebius struct wpi_tx_ring *ring = &sc->txq[ac]; 2996287197Sglebius int retval; 2997287197Sglebius 2998287197Sglebius WPI_TXQ_STATE_LOCK(sc); 2999287197Sglebius retval = (ring->queued > WPI_TX_RING_HIMARK); 3000287197Sglebius WPI_TXQ_STATE_UNLOCK(sc); 3001287197Sglebius 3002287197Sglebius return retval; 3003287197Sglebius} 3004287197Sglebius 3005287197Sglebiusstatic __inline void 3006287197Sglebiuswpi_handle_tx_failure(struct ieee80211_node *ni) 3007287197Sglebius{ 3008287197Sglebius /* NB: m is reclaimed on tx failure */ 3009287197Sglebius if_inc_counter(ni->ni_vap->iv_ifp, IFCOUNTER_OERRORS, 1); 3010287197Sglebius ieee80211_free_node(ni); 3011287197Sglebius} 3012287197Sglebius 3013278366Sadrianstatic int 3014278366Sadrianwpi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 3015278366Sadrian const struct ieee80211_bpf_params *params) 3016278366Sadrian{ 3017278366Sadrian struct ieee80211com *ic = ni->ni_ic; 3018286865Sadrian struct wpi_softc *sc = ic->ic_softc; 3019287197Sglebius int ac, error = 0; 3020278366Sadrian 3021278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3022278366Sadrian 3023287197Sglebius ac = M_WME_GETAC(m); 3024287197Sglebius 3025287197Sglebius WPI_TX_LOCK(sc); 3026287197Sglebius 3027287197Sglebius if (sc->sc_running == 0 || wpi_tx_ring_is_full(sc, ac)) { 3028278366Sadrian m_freem(m); 3029287197Sglebius error = sc->sc_running ? ENOBUFS : ENETDOWN; 3030287197Sglebius goto unlock; 3031173362Sbenjsc } 3032173362Sbenjsc 3033278366Sadrian if (params == NULL) { 3034278366Sadrian /* 3035278366Sadrian * Legacy path; interpret frame contents to decide 3036278366Sadrian * precisely how to send the frame. 3037278366Sadrian */ 3038278366Sadrian error = wpi_tx_data(sc, m, ni); 3039278366Sadrian } else { 3040278366Sadrian /* 3041278366Sadrian * Caller supplied explicit parameters to use in 3042278366Sadrian * sending the frame. 3043278366Sadrian */ 3044278366Sadrian error = wpi_tx_data_raw(sc, m, ni, params); 3045278366Sadrian } 3046173362Sbenjsc 3047287197Sglebiusunlock: WPI_TX_UNLOCK(sc); 3048287197Sglebius 3049286437Sadrian if (error != 0) { 3050287197Sglebius wpi_handle_tx_failure(ni); 3051278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3052278366Sadrian 3053278366Sadrian return error; 3054173362Sbenjsc } 3055173362Sbenjsc 3056278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3057173362Sbenjsc 3058173362Sbenjsc return 0; 3059173362Sbenjsc} 3060173362Sbenjsc 3061287197Sglebiusstatic int 3062287197Sglebiuswpi_transmit(struct ieee80211com *ic, struct mbuf *m) 3063173362Sbenjsc{ 3064287197Sglebius struct wpi_softc *sc = ic->ic_softc; 3065173362Sbenjsc struct ieee80211_node *ni; 3066287197Sglebius struct mbufq *sndq; 3067287197Sglebius int ac, error; 3068173362Sbenjsc 3069280113Sadrian WPI_TX_LOCK(sc); 3070278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: called\n", __func__); 3071278366Sadrian 3072287197Sglebius /* Check if interface is up & running. */ 3073287197Sglebius if (sc->sc_running == 0) { 3074287197Sglebius error = ENXIO; 3075287197Sglebius goto unlock; 3076287197Sglebius } 3077280110Sadrian 3078287197Sglebius /* Check for available space. */ 3079287197Sglebius ac = M_WME_GETAC(m); 3080287197Sglebius sndq = &sc->txq[ac].snd; 3081287197Sglebius if (wpi_tx_ring_is_full(sc, ac) || mbufq_len(sndq) != 0) { 3082287197Sglebius /* wpi_tx_done() will dequeue it. */ 3083287197Sglebius error = mbufq_enqueue(sndq, m); 3084287197Sglebius goto unlock; 3085178354Ssam } 3086278366Sadrian 3087287197Sglebius error = 0; 3088287197Sglebius ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 3089287197Sglebius if (wpi_tx_data(sc, m, ni) != 0) { 3090287197Sglebius wpi_handle_tx_failure(ni); 3091287197Sglebius } 3092287197Sglebius 3093278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: done\n", __func__); 3094287197Sglebius 3095287197Sglebiusunlock: WPI_TX_UNLOCK(sc); 3096287197Sglebius 3097287197Sglebius return (error); 3098178354Ssam} 3099173362Sbenjsc 3100287197Sglebius/** 3101287197Sglebius * Process data waiting to be sent on the output queue 3102287197Sglebius */ 3103278366Sadrianstatic void 3104287197Sglebiuswpi_start(void *arg0, int pending) 3105280078Sadrian{ 3106280078Sadrian struct wpi_softc *sc = arg0; 3107287197Sglebius struct ieee80211_node *ni; 3108287197Sglebius struct mbuf *m; 3109287197Sglebius uint8_t i; 3110280078Sadrian 3111287197Sglebius WPI_TX_LOCK(sc); 3112287197Sglebius if (sc->sc_running == 0) 3113287197Sglebius goto unlock; 3114287197Sglebius 3115287197Sglebius DPRINTF(sc, WPI_DEBUG_XMIT, "%s: called\n", __func__); 3116287197Sglebius 3117287197Sglebius for (i = 0; i < WPI_CMD_QUEUE_NUM; i++) { 3118287197Sglebius struct mbufq *sndq = &sc->txq[i].snd; 3119287197Sglebius 3120287197Sglebius for (;;) { 3121287197Sglebius if (wpi_tx_ring_is_full(sc, i)) 3122287197Sglebius break; 3123287197Sglebius 3124287197Sglebius if ((m = mbufq_dequeue(sndq)) == NULL) 3125287197Sglebius break; 3126287197Sglebius 3127287197Sglebius ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 3128287197Sglebius if (wpi_tx_data(sc, m, ni) != 0) { 3129287197Sglebius wpi_handle_tx_failure(ni); 3130287197Sglebius } 3131287197Sglebius } 3132287197Sglebius } 3133287197Sglebius 3134287197Sglebius DPRINTF(sc, WPI_DEBUG_XMIT, "%s: done\n", __func__); 3135287197Sglebiusunlock: WPI_TX_UNLOCK(sc); 3136280078Sadrian} 3137280078Sadrian 3138280078Sadrianstatic void 3139278366Sadrianwpi_watchdog_rfkill(void *arg) 3140178354Ssam{ 3141278366Sadrian struct wpi_softc *sc = arg; 3142287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3143173362Sbenjsc 3144278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "RFkill Watchdog: tick\n"); 3145278366Sadrian 3146278366Sadrian /* No need to lock firmware memory. */ 3147278366Sadrian if ((wpi_prph_read(sc, WPI_APMG_RFKILL) & 0x1) == 0) { 3148278366Sadrian /* Radio kill switch is still off. */ 3149278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 3150278366Sadrian sc); 3151278366Sadrian } else 3152278366Sadrian ieee80211_runtask(ic, &sc->sc_radioon_task); 3153278366Sadrian} 3154278366Sadrian 3155280106Sadrianstatic void 3156280106Sadrianwpi_scan_timeout(void *arg) 3157280106Sadrian{ 3158280106Sadrian struct wpi_softc *sc = arg; 3159287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3160280106Sadrian 3161287197Sglebius ic_printf(ic, "scan timeout\n"); 3162280120Sadrian taskqueue_enqueue(sc->sc_tq, &sc->sc_reinittask); 3163280106Sadrian} 3164280106Sadrian 3165278366Sadrianstatic void 3166280109Sadrianwpi_tx_timeout(void *arg) 3167278366Sadrian{ 3168278366Sadrian struct wpi_softc *sc = arg; 3169287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3170278366Sadrian 3171287197Sglebius ic_printf(ic, "device timeout\n"); 3172280120Sadrian taskqueue_enqueue(sc->sc_tq, &sc->sc_reinittask); 3173173362Sbenjsc} 3174173362Sbenjsc 3175287197Sglebiusstatic void 3176287197Sglebiuswpi_parent(struct ieee80211com *ic) 3177173362Sbenjsc{ 3178287197Sglebius struct wpi_softc *sc = ic->ic_softc; 3179278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3180173362Sbenjsc 3181287197Sglebius if (ic->ic_nrunning > 0) { 3182287197Sglebius if (wpi_init(sc) == 0) { 3183287197Sglebius ieee80211_notify_radio(ic, 1); 3184287197Sglebius ieee80211_start_all(ic); 3185287197Sglebius } else { 3186287197Sglebius ieee80211_notify_radio(ic, 0); 3187287197Sglebius ieee80211_stop(vap); 3188287197Sglebius } 3189287197Sglebius } else 3190287197Sglebius wpi_stop(sc); 3191173362Sbenjsc} 3192173362Sbenjsc 3193173362Sbenjsc/* 3194173362Sbenjsc * Send a command to the firmware. 3195173362Sbenjsc */ 3196173362Sbenjscstatic int 3197278366Sadrianwpi_cmd(struct wpi_softc *sc, int code, const void *buf, size_t size, 3198278366Sadrian int async) 3199173362Sbenjsc{ 3200280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 3201173362Sbenjsc struct wpi_tx_desc *desc; 3202278366Sadrian struct wpi_tx_data *data; 3203173362Sbenjsc struct wpi_tx_cmd *cmd; 3204278366Sadrian struct mbuf *m; 3205278366Sadrian bus_addr_t paddr; 3206278366Sadrian int totlen, error; 3207173362Sbenjsc 3208280071Sadrian WPI_TXQ_LOCK(sc); 3209280071Sadrian 3210278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3211278366Sadrian 3212287197Sglebius if (sc->sc_running == 0) { 3213280071Sadrian /* wpi_stop() was called */ 3214287197Sglebius if (code == WPI_CMD_SCAN) 3215287197Sglebius error = ENETDOWN; 3216287197Sglebius else 3217287197Sglebius error = 0; 3218287197Sglebius 3219280071Sadrian goto fail; 3220280071Sadrian } 3221280071Sadrian 3222278366Sadrian if (async == 0) 3223173362Sbenjsc WPI_LOCK_ASSERT(sc); 3224173362Sbenjsc 3225280101Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "%s: cmd %s size %zu async %d\n", 3226280101Sadrian __func__, wpi_cmd_str(code), size, async); 3227173362Sbenjsc 3228173362Sbenjsc desc = &ring->desc[ring->cur]; 3229278366Sadrian data = &ring->data[ring->cur]; 3230278366Sadrian totlen = 4 + size; 3231173362Sbenjsc 3232278366Sadrian if (size > sizeof cmd->data) { 3233278366Sadrian /* Command is too large to fit in a descriptor. */ 3234280071Sadrian if (totlen > MCLBYTES) { 3235280071Sadrian error = EINVAL; 3236280071Sadrian goto fail; 3237280071Sadrian } 3238278366Sadrian m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 3239280071Sadrian if (m == NULL) { 3240280071Sadrian error = ENOMEM; 3241280071Sadrian goto fail; 3242280071Sadrian } 3243278366Sadrian cmd = mtod(m, struct wpi_tx_cmd *); 3244278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, cmd, 3245278366Sadrian totlen, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 3246278366Sadrian if (error != 0) { 3247278366Sadrian m_freem(m); 3248280071Sadrian goto fail; 3249278366Sadrian } 3250278366Sadrian data->m = m; 3251278366Sadrian } else { 3252278366Sadrian cmd = &ring->cmd[ring->cur]; 3253278366Sadrian paddr = data->cmd_paddr; 3254278366Sadrian } 3255278366Sadrian 3256173362Sbenjsc cmd->code = code; 3257173362Sbenjsc cmd->flags = 0; 3258173362Sbenjsc cmd->qid = ring->qid; 3259173362Sbenjsc cmd->idx = ring->cur; 3260173362Sbenjsc memcpy(cmd->data, buf, size); 3261173362Sbenjsc 3262278366Sadrian desc->nsegs = 1 + (WPI_PAD32(size) << 4); 3263278366Sadrian desc->segs[0].addr = htole32(paddr); 3264278366Sadrian desc->segs[0].len = htole32(totlen); 3265173362Sbenjsc 3266278366Sadrian if (size > sizeof cmd->data) { 3267278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 3268278366Sadrian BUS_DMASYNC_PREWRITE); 3269278366Sadrian } else { 3270278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 3271278366Sadrian BUS_DMASYNC_PREWRITE); 3272278366Sadrian } 3273278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 3274278366Sadrian BUS_DMASYNC_PREWRITE); 3275173362Sbenjsc 3276278366Sadrian /* Kick command ring. */ 3277278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 3278282400Sadrian sc->sc_update_tx_ring(sc, ring); 3279278366Sadrian 3280278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3281278366Sadrian 3282280071Sadrian WPI_TXQ_UNLOCK(sc); 3283280071Sadrian 3284287197Sglebius return async ? 0 : mtx_sleep(cmd, &sc->sc_mtx, PCATCH, "wpicmd", hz); 3285173362Sbenjsc 3286280071Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3287280071Sadrian 3288280071Sadrian WPI_TXQ_UNLOCK(sc); 3289280071Sadrian 3290280071Sadrian return error; 3291173362Sbenjsc} 3292173362Sbenjsc 3293173362Sbenjsc/* 3294278366Sadrian * Configure HW multi-rate retries. 3295173362Sbenjsc */ 3296173362Sbenjscstatic int 3297173362Sbenjscwpi_mrr_setup(struct wpi_softc *sc) 3298173362Sbenjsc{ 3299287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3300173362Sbenjsc struct wpi_mrr_setup mrr; 3301173362Sbenjsc int i, error; 3302173362Sbenjsc 3303278366Sadrian /* CCK rates (not used with 802.11a). */ 3304278366Sadrian for (i = WPI_RIDX_CCK1; i <= WPI_RIDX_CCK11; i++) { 3305173362Sbenjsc mrr.rates[i].flags = 0; 3306278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3307278366Sadrian /* Fallback to the immediate lower CCK rate (if any.) */ 3308278366Sadrian mrr.rates[i].next = 3309278366Sadrian (i == WPI_RIDX_CCK1) ? WPI_RIDX_CCK1 : i - 1; 3310282369Sadrian /* Try twice at this rate before falling back to "next". */ 3311282369Sadrian mrr.rates[i].ntries = WPI_NTRIES_DEFAULT; 3312173362Sbenjsc } 3313278366Sadrian /* OFDM rates (not used with 802.11b). */ 3314278366Sadrian for (i = WPI_RIDX_OFDM6; i <= WPI_RIDX_OFDM54; i++) { 3315173362Sbenjsc mrr.rates[i].flags = 0; 3316278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3317278366Sadrian /* Fallback to the immediate lower rate (if any.) */ 3318278366Sadrian /* We allow fallback from OFDM/6 to CCK/2 in 11b/g mode. */ 3319278366Sadrian mrr.rates[i].next = (i == WPI_RIDX_OFDM6) ? 3320173362Sbenjsc ((ic->ic_curmode == IEEE80211_MODE_11A) ? 3321278366Sadrian WPI_RIDX_OFDM6 : WPI_RIDX_CCK2) : 3322173362Sbenjsc i - 1; 3323282369Sadrian /* Try twice at this rate before falling back to "next". */ 3324282369Sadrian mrr.rates[i].ntries = WPI_NTRIES_DEFAULT; 3325173362Sbenjsc } 3326278366Sadrian /* Setup MRR for control frames. */ 3327278366Sadrian mrr.which = htole32(WPI_MRR_CTL); 3328173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3329173362Sbenjsc if (error != 0) { 3330173362Sbenjsc device_printf(sc->sc_dev, 3331173362Sbenjsc "could not setup MRR for control frames\n"); 3332173362Sbenjsc return error; 3333173362Sbenjsc } 3334278366Sadrian /* Setup MRR for data frames. */ 3335278366Sadrian mrr.which = htole32(WPI_MRR_DATA); 3336173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3337173362Sbenjsc if (error != 0) { 3338173362Sbenjsc device_printf(sc->sc_dev, 3339173362Sbenjsc "could not setup MRR for data frames\n"); 3340173362Sbenjsc return error; 3341173362Sbenjsc } 3342173362Sbenjsc return 0; 3343173362Sbenjsc} 3344173362Sbenjsc 3345278366Sadrianstatic int 3346278366Sadrianwpi_add_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3347278366Sadrian{ 3348278366Sadrian struct ieee80211com *ic = ni->ni_ic; 3349280088Sadrian struct wpi_vap *wvp = WPI_VAP(ni->ni_vap); 3350280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3351278366Sadrian struct wpi_node_info node; 3352280088Sadrian int error; 3353278366Sadrian 3354278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3355278366Sadrian 3356278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 3357278366Sadrian return EINVAL; 3358278366Sadrian 3359278366Sadrian memset(&node, 0, sizeof node); 3360279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3361278366Sadrian node.id = wn->id; 3362278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3363278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3364278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3365278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3366278366Sadrian 3367280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: adding node %d (%s)\n", __func__, 3368280094Sadrian wn->id, ether_sprintf(ni->ni_macaddr)); 3369280094Sadrian 3370280088Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 3371280088Sadrian if (error != 0) { 3372280088Sadrian device_printf(sc->sc_dev, 3373280088Sadrian "%s: wpi_cmd() call failed with error code %d\n", __func__, 3374280088Sadrian error); 3375280088Sadrian return error; 3376280088Sadrian } 3377280088Sadrian 3378280088Sadrian if (wvp->wv_gtk != 0) { 3379280088Sadrian error = wpi_set_global_keys(ni); 3380280088Sadrian if (error != 0) { 3381280088Sadrian device_printf(sc->sc_dev, 3382280088Sadrian "%s: error while setting global keys\n", __func__); 3383280088Sadrian return ENXIO; 3384280088Sadrian } 3385280088Sadrian } 3386280088Sadrian 3387280088Sadrian return 0; 3388278366Sadrian} 3389278366Sadrian 3390278366Sadrian/* 3391278366Sadrian * Broadcast node is used to send group-addressed and management frames. 3392278366Sadrian */ 3393278366Sadrianstatic int 3394278366Sadrianwpi_add_broadcast_node(struct wpi_softc *sc, int async) 3395278366Sadrian{ 3396287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3397278366Sadrian struct wpi_node_info node; 3398278366Sadrian 3399278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3400278366Sadrian 3401278366Sadrian memset(&node, 0, sizeof node); 3402287197Sglebius IEEE80211_ADDR_COPY(node.macaddr, ieee80211broadcastaddr); 3403278366Sadrian node.id = WPI_ID_BROADCAST; 3404278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3405278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3406278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3407278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3408278366Sadrian 3409280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: adding broadcast node\n", __func__); 3410280094Sadrian 3411278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, async); 3412278366Sadrian} 3413278366Sadrian 3414278366Sadrianstatic int 3415280070Sadrianwpi_add_sta_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3416280070Sadrian{ 3417280070Sadrian struct wpi_node *wn = WPI_NODE(ni); 3418280070Sadrian int error; 3419280070Sadrian 3420280070Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3421280070Sadrian 3422280070Sadrian wn->id = wpi_add_node_entry_sta(sc); 3423280070Sadrian 3424280070Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3425280070Sadrian wpi_del_node_entry(sc, wn->id); 3426280070Sadrian wn->id = WPI_ID_UNDEFINED; 3427280070Sadrian return error; 3428280070Sadrian } 3429280070Sadrian 3430280070Sadrian return 0; 3431280070Sadrian} 3432280070Sadrian 3433280070Sadrianstatic int 3434278366Sadrianwpi_add_ibss_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3435278366Sadrian{ 3436280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3437280069Sadrian int error; 3438278366Sadrian 3439280100Sadrian KASSERT(wn->id == WPI_ID_UNDEFINED, 3440280100Sadrian ("the node %d was added before", wn->id)); 3441280100Sadrian 3442278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3443278366Sadrian 3444280069Sadrian if ((wn->id = wpi_add_node_entry_adhoc(sc)) == WPI_ID_UNDEFINED) { 3445280069Sadrian device_printf(sc->sc_dev, "%s: h/w table is full\n", __func__); 3446280069Sadrian return ENOMEM; 3447280069Sadrian } 3448278366Sadrian 3449280069Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3450280069Sadrian wpi_del_node_entry(sc, wn->id); 3451280069Sadrian wn->id = WPI_ID_UNDEFINED; 3452280069Sadrian return error; 3453280069Sadrian } 3454278366Sadrian 3455280069Sadrian return 0; 3456278366Sadrian} 3457278366Sadrian 3458173362Sbenjscstatic void 3459278366Sadrianwpi_del_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3460278366Sadrian{ 3461280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3462278366Sadrian struct wpi_cmd_del_node node; 3463278366Sadrian int error; 3464278366Sadrian 3465280100Sadrian KASSERT(wn->id != WPI_ID_UNDEFINED, ("undefined node id passed")); 3466280100Sadrian 3467278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3468278366Sadrian 3469278366Sadrian memset(&node, 0, sizeof node); 3470279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3471278366Sadrian node.count = 1; 3472278366Sadrian 3473280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: deleting node %d (%s)\n", __func__, 3474280094Sadrian wn->id, ether_sprintf(ni->ni_macaddr)); 3475280094Sadrian 3476278366Sadrian error = wpi_cmd(sc, WPI_CMD_DEL_NODE, &node, sizeof node, 1); 3477278366Sadrian if (error != 0) { 3478278366Sadrian device_printf(sc->sc_dev, 3479278366Sadrian "%s: could not delete node %u, error %d\n", __func__, 3480278366Sadrian wn->id, error); 3481278366Sadrian } 3482278366Sadrian} 3483278366Sadrian 3484278366Sadrianstatic int 3485278366Sadrianwpi_updateedca(struct ieee80211com *ic) 3486278366Sadrian{ 3487278366Sadrian#define WPI_EXP2(x) ((1 << (x)) - 1) /* CWmin = 2^ECWmin - 1 */ 3488286865Sadrian struct wpi_softc *sc = ic->ic_softc; 3489278366Sadrian struct wpi_edca_params cmd; 3490278366Sadrian int aci, error; 3491278366Sadrian 3492278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3493278366Sadrian 3494278366Sadrian memset(&cmd, 0, sizeof cmd); 3495278366Sadrian cmd.flags = htole32(WPI_EDCA_UPDATE); 3496278366Sadrian for (aci = 0; aci < WME_NUM_AC; aci++) { 3497278366Sadrian const struct wmeParams *ac = 3498278366Sadrian &ic->ic_wme.wme_chanParams.cap_wmeParams[aci]; 3499278366Sadrian cmd.ac[aci].aifsn = ac->wmep_aifsn; 3500278366Sadrian cmd.ac[aci].cwmin = htole16(WPI_EXP2(ac->wmep_logcwmin)); 3501278366Sadrian cmd.ac[aci].cwmax = htole16(WPI_EXP2(ac->wmep_logcwmax)); 3502278366Sadrian cmd.ac[aci].txoplimit = 3503278366Sadrian htole16(IEEE80211_TXOP_TO_US(ac->wmep_txopLimit)); 3504278366Sadrian 3505278366Sadrian DPRINTF(sc, WPI_DEBUG_EDCA, 3506278366Sadrian "setting WME for queue %d aifsn=%d cwmin=%d cwmax=%d " 3507278366Sadrian "txoplimit=%d\n", aci, cmd.ac[aci].aifsn, 3508278366Sadrian cmd.ac[aci].cwmin, cmd.ac[aci].cwmax, 3509278366Sadrian cmd.ac[aci].txoplimit); 3510278366Sadrian } 3511278366Sadrian error = wpi_cmd(sc, WPI_CMD_EDCA_PARAMS, &cmd, sizeof cmd, 1); 3512278366Sadrian 3513278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3514278366Sadrian 3515278366Sadrian return error; 3516278366Sadrian#undef WPI_EXP2 3517278366Sadrian} 3518278366Sadrian 3519278366Sadrianstatic void 3520278366Sadrianwpi_set_promisc(struct wpi_softc *sc) 3521278366Sadrian{ 3522287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3523280105Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3524278366Sadrian uint32_t promisc_filter; 3525278366Sadrian 3526280105Sadrian promisc_filter = WPI_FILTER_CTL; 3527280105Sadrian if (vap != NULL && vap->iv_opmode != IEEE80211_M_HOSTAP) 3528280105Sadrian promisc_filter |= WPI_FILTER_PROMISC; 3529278366Sadrian 3530287197Sglebius if (ic->ic_promisc > 0) 3531278366Sadrian sc->rxon.filter |= htole32(promisc_filter); 3532278366Sadrian else 3533278366Sadrian sc->rxon.filter &= ~htole32(promisc_filter); 3534278366Sadrian} 3535278366Sadrian 3536278366Sadrianstatic void 3537283540Sglebiuswpi_update_promisc(struct ieee80211com *ic) 3538278366Sadrian{ 3539283540Sglebius struct wpi_softc *sc = ic->ic_softc; 3540278366Sadrian 3541280108Sadrian WPI_RXON_LOCK(sc); 3542278366Sadrian wpi_set_promisc(sc); 3543278366Sadrian 3544278366Sadrian if (wpi_send_rxon(sc, 1, 1) != 0) { 3545278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3546278366Sadrian __func__); 3547278366Sadrian } 3548280108Sadrian WPI_RXON_UNLOCK(sc); 3549278366Sadrian} 3550278366Sadrian 3551278366Sadrianstatic void 3552283540Sglebiuswpi_update_mcast(struct ieee80211com *ic) 3553278366Sadrian{ 3554278366Sadrian /* Ignore */ 3555278366Sadrian} 3556278366Sadrian 3557278366Sadrianstatic void 3558173362Sbenjscwpi_set_led(struct wpi_softc *sc, uint8_t which, uint8_t off, uint8_t on) 3559173362Sbenjsc{ 3560173362Sbenjsc struct wpi_cmd_led led; 3561173362Sbenjsc 3562278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3563278366Sadrian 3564173362Sbenjsc led.which = which; 3565173362Sbenjsc led.unit = htole32(100000); /* on/off in unit of 100ms */ 3566173362Sbenjsc led.off = off; 3567173362Sbenjsc led.on = on; 3568173362Sbenjsc (void)wpi_cmd(sc, WPI_CMD_SET_LED, &led, sizeof led, 1); 3569173362Sbenjsc} 3570173362Sbenjsc 3571278366Sadrianstatic int 3572278366Sadrianwpi_set_timing(struct wpi_softc *sc, struct ieee80211_node *ni) 3573173362Sbenjsc{ 3574278366Sadrian struct wpi_cmd_timing cmd; 3575173362Sbenjsc uint64_t val, mod; 3576173362Sbenjsc 3577278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3578173362Sbenjsc 3579278366Sadrian memset(&cmd, 0, sizeof cmd); 3580278366Sadrian memcpy(&cmd.tstamp, ni->ni_tstamp.data, sizeof (uint64_t)); 3581278366Sadrian cmd.bintval = htole16(ni->ni_intval); 3582278366Sadrian cmd.lintval = htole16(10); 3583173362Sbenjsc 3584278366Sadrian /* Compute remaining time until next beacon. */ 3585278366Sadrian val = (uint64_t)ni->ni_intval * IEEE80211_DUR_TU; 3586278366Sadrian mod = le64toh(cmd.tstamp) % val; 3587278366Sadrian cmd.binitval = htole32((uint32_t)(val - mod)); 3588278366Sadrian 3589278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "timing bintval=%u tstamp=%ju, init=%u\n", 3590278366Sadrian ni->ni_intval, le64toh(cmd.tstamp), (uint32_t)(val - mod)); 3591278366Sadrian 3592278366Sadrian return wpi_cmd(sc, WPI_CMD_TIMING, &cmd, sizeof cmd, 1); 3593173362Sbenjsc} 3594173362Sbenjsc 3595173362Sbenjsc/* 3596278366Sadrian * This function is called periodically (every 60 seconds) to adjust output 3597278366Sadrian * power to temperature changes. 3598173362Sbenjsc */ 3599278366Sadrianstatic void 3600278366Sadrianwpi_power_calibration(struct wpi_softc *sc) 3601278366Sadrian{ 3602278366Sadrian int temp; 3603278366Sadrian 3604278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3605278366Sadrian 3606278366Sadrian /* Update sensor data. */ 3607278366Sadrian temp = (int)WPI_READ(sc, WPI_UCODE_GP2); 3608278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "Temp in calibration is: %d\n", temp); 3609278366Sadrian 3610278366Sadrian /* Sanity-check read value. */ 3611278366Sadrian if (temp < -260 || temp > 25) { 3612278366Sadrian /* This can't be correct, ignore. */ 3613278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3614278366Sadrian "out-of-range temperature reported: %d\n", temp); 3615278366Sadrian return; 3616278366Sadrian } 3617278366Sadrian 3618278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d->%d\n", sc->temp, temp); 3619278366Sadrian 3620278366Sadrian /* Adjust Tx power if need be. */ 3621278366Sadrian if (abs(temp - sc->temp) <= 6) 3622278366Sadrian return; 3623278366Sadrian 3624278366Sadrian sc->temp = temp; 3625278366Sadrian 3626278366Sadrian if (wpi_set_txpower(sc, 1) != 0) { 3627278366Sadrian /* just warn, too bad for the automatic calibration... */ 3628278366Sadrian device_printf(sc->sc_dev,"could not adjust Tx power\n"); 3629278366Sadrian } 3630278366Sadrian} 3631278366Sadrian 3632278366Sadrian/* 3633278366Sadrian * Set TX power for current channel. 3634278366Sadrian */ 3635173362Sbenjscstatic int 3636278366Sadrianwpi_set_txpower(struct wpi_softc *sc, int async) 3637173362Sbenjsc{ 3638278366Sadrian struct wpi_power_group *group; 3639278366Sadrian struct wpi_cmd_txpower cmd; 3640278366Sadrian uint8_t chan; 3641281287Sadrian int idx, is_chan_5ghz, i; 3642173362Sbenjsc 3643278366Sadrian /* Retrieve current channel from last RXON. */ 3644278366Sadrian chan = sc->rxon.chan; 3645281287Sadrian is_chan_5ghz = (sc->rxon.flags & htole32(WPI_RXON_24GHZ)) == 0; 3646173362Sbenjsc 3647278366Sadrian /* Find the TX power group to which this channel belongs. */ 3648281287Sadrian if (is_chan_5ghz) { 3649278366Sadrian for (group = &sc->groups[1]; group < &sc->groups[4]; group++) 3650278366Sadrian if (chan <= group->chan) 3651278366Sadrian break; 3652278366Sadrian } else 3653278366Sadrian group = &sc->groups[0]; 3654278366Sadrian 3655278366Sadrian memset(&cmd, 0, sizeof cmd); 3656281287Sadrian cmd.band = is_chan_5ghz ? WPI_BAND_5GHZ : WPI_BAND_2GHZ; 3657278366Sadrian cmd.chan = htole16(chan); 3658278366Sadrian 3659278366Sadrian /* Set TX power for all OFDM and CCK rates. */ 3660278366Sadrian for (i = 0; i <= WPI_RIDX_MAX ; i++) { 3661278366Sadrian /* Retrieve TX power for this channel/rate. */ 3662281287Sadrian idx = wpi_get_power_index(sc, group, chan, is_chan_5ghz, i); 3663278366Sadrian 3664278366Sadrian cmd.rates[i].plcp = wpi_ridx_to_plcp[i]; 3665278366Sadrian 3666281287Sadrian if (is_chan_5ghz) { 3667278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_5ghz[idx]; 3668278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_5ghz[idx]; 3669278366Sadrian } else { 3670278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_2ghz[idx]; 3671278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_2ghz[idx]; 3672278366Sadrian } 3673278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3674278366Sadrian "chan %d/ridx %d: power index %d\n", chan, i, idx); 3675173362Sbenjsc } 3676173362Sbenjsc 3677278366Sadrian return wpi_cmd(sc, WPI_CMD_TXPOWER, &cmd, sizeof cmd, async); 3678278366Sadrian} 3679173362Sbenjsc 3680278366Sadrian/* 3681278366Sadrian * Determine Tx power index for a given channel/rate combination. 3682278366Sadrian * This takes into account the regulatory information from EEPROM and the 3683278366Sadrian * current temperature. 3684278366Sadrian */ 3685278366Sadrianstatic int 3686278366Sadrianwpi_get_power_index(struct wpi_softc *sc, struct wpi_power_group *group, 3687281287Sadrian uint8_t chan, int is_chan_5ghz, int ridx) 3688278366Sadrian{ 3689278366Sadrian/* Fixed-point arithmetic division using a n-bit fractional part. */ 3690280059Sadrian#define fdivround(a, b, n) \ 3691278366Sadrian ((((1 << n) * (a)) / (b) + (1 << n) / 2) / (1 << n)) 3692173362Sbenjsc 3693278366Sadrian/* Linear interpolation. */ 3694280059Sadrian#define interpolate(x, x1, y1, x2, y2, n) \ 3695278366Sadrian ((y1) + fdivround(((x) - (x1)) * ((y2) - (y1)), (x2) - (x1), n)) 3696173362Sbenjsc 3697278366Sadrian struct wpi_power_sample *sample; 3698278366Sadrian int pwr, idx; 3699278366Sadrian 3700278366Sadrian /* Default TX power is group maximum TX power minus 3dB. */ 3701278366Sadrian pwr = group->maxpwr / 2; 3702278366Sadrian 3703278366Sadrian /* Decrease TX power for highest OFDM rates to reduce distortion. */ 3704278366Sadrian switch (ridx) { 3705278366Sadrian case WPI_RIDX_OFDM36: 3706281287Sadrian pwr -= is_chan_5ghz ? 5 : 0; 3707278366Sadrian break; 3708278366Sadrian case WPI_RIDX_OFDM48: 3709281287Sadrian pwr -= is_chan_5ghz ? 10 : 7; 3710278366Sadrian break; 3711278366Sadrian case WPI_RIDX_OFDM54: 3712281287Sadrian pwr -= is_chan_5ghz ? 12 : 9; 3713278366Sadrian break; 3714173362Sbenjsc } 3715173362Sbenjsc 3716278366Sadrian /* Never exceed the channel maximum allowed TX power. */ 3717278366Sadrian pwr = min(pwr, sc->maxpwr[chan]); 3718173362Sbenjsc 3719278366Sadrian /* Retrieve TX power index into gain tables from samples. */ 3720278366Sadrian for (sample = group->samples; sample < &group->samples[3]; sample++) 3721278366Sadrian if (pwr > sample[1].power) 3722278366Sadrian break; 3723278366Sadrian /* Fixed-point linear interpolation using a 19-bit fractional part. */ 3724278366Sadrian idx = interpolate(pwr, sample[0].power, sample[0].index, 3725278366Sadrian sample[1].power, sample[1].index, 19); 3726173362Sbenjsc 3727278366Sadrian /*- 3728278366Sadrian * Adjust power index based on current temperature: 3729278366Sadrian * - if cooler than factory-calibrated: decrease output power 3730278366Sadrian * - if warmer than factory-calibrated: increase output power 3731278366Sadrian */ 3732278366Sadrian idx -= (sc->temp - group->temp) * 11 / 100; 3733173362Sbenjsc 3734278366Sadrian /* Decrease TX power for CCK rates (-5dB). */ 3735278366Sadrian if (ridx >= WPI_RIDX_CCK1) 3736278366Sadrian idx += 10; 3737278366Sadrian 3738278366Sadrian /* Make sure idx stays in a valid range. */ 3739278366Sadrian if (idx < 0) 3740278366Sadrian return 0; 3741278366Sadrian if (idx > WPI_MAX_PWR_INDEX) 3742278366Sadrian return WPI_MAX_PWR_INDEX; 3743278366Sadrian return idx; 3744278366Sadrian 3745278366Sadrian#undef interpolate 3746278366Sadrian#undef fdivround 3747173362Sbenjsc} 3748173362Sbenjsc 3749278366Sadrian/* 3750278366Sadrian * Set STA mode power saving level (between 0 and 5). 3751278366Sadrian * Level 0 is CAM (Continuously Aware Mode), 5 is for maximum power saving. 3752278366Sadrian */ 3753173362Sbenjscstatic int 3754278366Sadrianwpi_set_pslevel(struct wpi_softc *sc, uint8_t dtim, int level, int async) 3755173362Sbenjsc{ 3756278366Sadrian struct wpi_pmgt_cmd cmd; 3757278366Sadrian const struct wpi_pmgt *pmgt; 3758278366Sadrian uint32_t max, skip_dtim; 3759278366Sadrian uint32_t reg; 3760278366Sadrian int i; 3761278366Sadrian 3762278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 3763278366Sadrian "%s: dtim=%d, level=%d, async=%d\n", 3764278366Sadrian __func__, dtim, level, async); 3765278366Sadrian 3766278366Sadrian /* Select which PS parameters to use. */ 3767278366Sadrian if (dtim <= 10) 3768278366Sadrian pmgt = &wpi_pmgt[0][level]; 3769278366Sadrian else 3770278366Sadrian pmgt = &wpi_pmgt[1][level]; 3771278366Sadrian 3772278366Sadrian memset(&cmd, 0, sizeof cmd); 3773282400Sadrian WPI_TXQ_LOCK(sc); 3774282400Sadrian if (level != 0) { /* not CAM */ 3775278366Sadrian cmd.flags |= htole16(WPI_PS_ALLOW_SLEEP); 3776282400Sadrian sc->sc_flags |= WPI_PS_PATH; 3777282400Sadrian } else 3778282400Sadrian sc->sc_flags &= ~WPI_PS_PATH; 3779282400Sadrian WPI_TXQ_UNLOCK(sc); 3780278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 3781278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 3782278366Sadrian if (!(reg & 0x1)) /* L0s Entry disabled. */ 3783278366Sadrian cmd.flags |= htole16(WPI_PS_PCI_PMGT); 3784278366Sadrian 3785278366Sadrian cmd.rxtimeout = htole32(pmgt->rxtimeout * IEEE80211_DUR_TU); 3786278366Sadrian cmd.txtimeout = htole32(pmgt->txtimeout * IEEE80211_DUR_TU); 3787278366Sadrian 3788278366Sadrian if (dtim == 0) { 3789278366Sadrian dtim = 1; 3790278366Sadrian skip_dtim = 0; 3791278366Sadrian } else 3792278366Sadrian skip_dtim = pmgt->skip_dtim; 3793278366Sadrian 3794278366Sadrian if (skip_dtim != 0) { 3795278366Sadrian cmd.flags |= htole16(WPI_PS_SLEEP_OVER_DTIM); 3796278366Sadrian max = pmgt->intval[4]; 3797278366Sadrian if (max == (uint32_t)-1) 3798278366Sadrian max = dtim * (skip_dtim + 1); 3799278366Sadrian else if (max > dtim) 3800278366Sadrian max = (max / dtim) * dtim; 3801278366Sadrian } else 3802278366Sadrian max = dtim; 3803278366Sadrian 3804278366Sadrian for (i = 0; i < 5; i++) 3805278366Sadrian cmd.intval[i] = htole32(MIN(max, pmgt->intval[i])); 3806278366Sadrian 3807278366Sadrian return wpi_cmd(sc, WPI_CMD_SET_POWER_MODE, &cmd, sizeof cmd, async); 3808278366Sadrian} 3809278366Sadrian 3810280059Sadrianstatic int 3811278366Sadrianwpi_send_btcoex(struct wpi_softc *sc) 3812278366Sadrian{ 3813278366Sadrian struct wpi_bluetooth cmd; 3814278366Sadrian 3815280059Sadrian memset(&cmd, 0, sizeof cmd); 3816280059Sadrian cmd.flags = WPI_BT_COEX_MODE_4WIRE; 3817280059Sadrian cmd.lead_time = WPI_BT_LEAD_TIME_DEF; 3818280059Sadrian cmd.max_kill = WPI_BT_MAX_KILL_DEF; 3819278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "%s: configuring bluetooth coexistence\n", 3820278366Sadrian __func__); 3821280059Sadrian return wpi_cmd(sc, WPI_CMD_BT_COEX, &cmd, sizeof(cmd), 0); 3822278366Sadrian} 3823278366Sadrian 3824278366Sadrianstatic int 3825278366Sadrianwpi_send_rxon(struct wpi_softc *sc, int assoc, int async) 3826278366Sadrian{ 3827173362Sbenjsc int error; 3828173362Sbenjsc 3829280108Sadrian if (async) 3830280108Sadrian WPI_RXON_LOCK_ASSERT(sc); 3831280108Sadrian 3832282375Sadrian if (assoc && wpi_check_bss_filter(sc) != 0) { 3833278366Sadrian struct wpi_assoc rxon_assoc; 3834177043Sthompsa 3835278366Sadrian rxon_assoc.flags = sc->rxon.flags; 3836278366Sadrian rxon_assoc.filter = sc->rxon.filter; 3837278366Sadrian rxon_assoc.ofdm_mask = sc->rxon.ofdm_mask; 3838278366Sadrian rxon_assoc.cck_mask = sc->rxon.cck_mask; 3839278366Sadrian rxon_assoc.reserved = 0; 3840278366Sadrian 3841278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON_ASSOC, &rxon_assoc, 3842278366Sadrian sizeof (struct wpi_assoc), async); 3843280102Sadrian if (error != 0) { 3844280102Sadrian device_printf(sc->sc_dev, 3845280102Sadrian "RXON_ASSOC command failed, error %d\n", error); 3846280102Sadrian return error; 3847280102Sadrian } 3848216522Sbschmidt } else { 3849280102Sadrian if (async) { 3850280077Sadrian WPI_NT_LOCK(sc); 3851280102Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3852280102Sadrian sizeof (struct wpi_rxon), async); 3853280102Sadrian if (error == 0) 3854280102Sadrian wpi_clear_node_table(sc); 3855280077Sadrian WPI_NT_UNLOCK(sc); 3856280102Sadrian } else { 3857280102Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3858280102Sadrian sizeof (struct wpi_rxon), async); 3859280102Sadrian if (error == 0) 3860280102Sadrian wpi_clear_node_table(sc); 3861280102Sadrian } 3862173362Sbenjsc 3863280102Sadrian if (error != 0) { 3864280102Sadrian device_printf(sc->sc_dev, 3865280102Sadrian "RXON command failed, error %d\n", error); 3866280102Sadrian return error; 3867280102Sadrian } 3868173362Sbenjsc 3869278366Sadrian /* Add broadcast node. */ 3870278366Sadrian error = wpi_add_broadcast_node(sc, async); 3871278366Sadrian if (error != 0) { 3872278366Sadrian device_printf(sc->sc_dev, 3873278366Sadrian "could not add broadcast node, error %d\n", error); 3874278366Sadrian return error; 3875278366Sadrian } 3876278366Sadrian } 3877177043Sthompsa 3878280102Sadrian /* Configuration has changed, set Tx power accordingly. */ 3879280102Sadrian if ((error = wpi_set_txpower(sc, async)) != 0) { 3880280102Sadrian device_printf(sc->sc_dev, 3881280102Sadrian "%s: could not set TX power, error %d\n", __func__, error); 3882280102Sadrian return error; 3883280102Sadrian } 3884280102Sadrian 3885278366Sadrian return 0; 3886177043Sthompsa} 3887177043Sthompsa 3888278366Sadrian/** 3889278366Sadrian * Configure the card to listen to a particular channel, this transisions the 3890278366Sadrian * card in to being able to receive frames from remote devices. 3891278366Sadrian */ 3892177043Sthompsastatic int 3893278366Sadrianwpi_config(struct wpi_softc *sc) 3894177043Sthompsa{ 3895287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3896279762Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3897282371Sadrian struct ieee80211_channel *c = ic->ic_curchan; 3898177043Sthompsa int error; 3899177043Sthompsa 3900278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3901278366Sadrian 3902278366Sadrian /* Set power saving level to CAM during initialization. */ 3903278366Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 0)) != 0) { 3904278366Sadrian device_printf(sc->sc_dev, 3905278366Sadrian "%s: could not set power saving level\n", __func__); 3906278366Sadrian return error; 3907178354Ssam } 3908178354Ssam 3909278366Sadrian /* Configure bluetooth coexistence. */ 3910278366Sadrian if ((error = wpi_send_btcoex(sc)) != 0) { 3911278366Sadrian device_printf(sc->sc_dev, 3912278366Sadrian "could not configure bluetooth coexistence\n"); 3913278366Sadrian return error; 3914278366Sadrian } 3915177043Sthompsa 3916278366Sadrian /* Configure adapter. */ 3917278366Sadrian memset(&sc->rxon, 0, sizeof (struct wpi_rxon)); 3918279762Sadrian IEEE80211_ADDR_COPY(sc->rxon.myaddr, vap->iv_myaddr); 3919177043Sthompsa 3920278366Sadrian /* Set default channel. */ 3921282371Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 3922278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3923282371Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) 3924278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3925177043Sthompsa 3926278764Sadrian sc->rxon.filter = WPI_FILTER_MULTICAST; 3927278366Sadrian switch (ic->ic_opmode) { 3928278366Sadrian case IEEE80211_M_STA: 3929278366Sadrian sc->rxon.mode = WPI_MODE_STA; 3930278366Sadrian break; 3931278366Sadrian case IEEE80211_M_IBSS: 3932278366Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3933278764Sadrian sc->rxon.filter |= WPI_FILTER_BEACON; 3934278366Sadrian break; 3935280105Sadrian case IEEE80211_M_HOSTAP: 3936280105Sadrian /* XXX workaround for beaconing */ 3937280105Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3938280105Sadrian sc->rxon.filter |= WPI_FILTER_ASSOC | WPI_FILTER_PROMISC; 3939280105Sadrian break; 3940278366Sadrian case IEEE80211_M_AHDEMO: 3941278366Sadrian sc->rxon.mode = WPI_MODE_HOSTAP; 3942278366Sadrian break; 3943278366Sadrian case IEEE80211_M_MONITOR: 3944278366Sadrian sc->rxon.mode = WPI_MODE_MONITOR; 3945278366Sadrian break; 3946278366Sadrian default: 3947280066Sadrian device_printf(sc->sc_dev, "unknown opmode %d\n", 3948280066Sadrian ic->ic_opmode); 3949278366Sadrian return EINVAL; 3950278366Sadrian } 3951278764Sadrian sc->rxon.filter = htole32(sc->rxon.filter); 3952278366Sadrian wpi_set_promisc(sc); 3953278366Sadrian sc->rxon.cck_mask = 0x0f; /* not yet negotiated */ 3954278366Sadrian sc->rxon.ofdm_mask = 0xff; /* not yet negotiated */ 3955278366Sadrian 3956278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) { 3957278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3958278366Sadrian __func__); 3959173362Sbenjsc return error; 3960173362Sbenjsc } 3961173362Sbenjsc 3962278366Sadrian /* Setup rate scalling. */ 3963278366Sadrian if ((error = wpi_mrr_setup(sc)) != 0) { 3964278366Sadrian device_printf(sc->sc_dev, "could not setup MRR, error %d\n", 3965278366Sadrian error); 3966278366Sadrian return error; 3967278366Sadrian } 3968278366Sadrian 3969278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3970177043Sthompsa 3971278366Sadrian return 0; 3972278366Sadrian} 3973177043Sthompsa 3974278366Sadrianstatic uint16_t 3975278366Sadrianwpi_get_active_dwell_time(struct wpi_softc *sc, 3976278366Sadrian struct ieee80211_channel *c, uint8_t n_probes) 3977278366Sadrian{ 3978278366Sadrian /* No channel? Default to 2GHz settings. */ 3979278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) { 3980278366Sadrian return (WPI_ACTIVE_DWELL_TIME_2GHZ + 3981278366Sadrian WPI_ACTIVE_DWELL_FACTOR_2GHZ * (n_probes + 1)); 3982278366Sadrian } 3983278366Sadrian 3984278366Sadrian /* 5GHz dwell time. */ 3985278366Sadrian return (WPI_ACTIVE_DWELL_TIME_5GHZ + 3986278366Sadrian WPI_ACTIVE_DWELL_FACTOR_5GHZ * (n_probes + 1)); 3987173362Sbenjsc} 3988173362Sbenjsc 3989173362Sbenjsc/* 3990282382Sadrian * Limit the total dwell time. 3991278366Sadrian * 3992278366Sadrian * Returns the dwell time in milliseconds. 3993173362Sbenjsc */ 3994278366Sadrianstatic uint16_t 3995278366Sadrianwpi_limit_dwell(struct wpi_softc *sc, uint16_t dwell_time) 3996278366Sadrian{ 3997287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 3998280103Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3999278366Sadrian int bintval = 0; 4000278366Sadrian 4001278366Sadrian /* bintval is in TU (1.024mS) */ 4002280103Sadrian if (vap != NULL) 4003278366Sadrian bintval = vap->iv_bss->ni_intval; 4004278366Sadrian 4005278366Sadrian /* 4006278366Sadrian * If it's non-zero, we should calculate the minimum of 4007278366Sadrian * it and the DWELL_BASE. 4008278366Sadrian * 4009278366Sadrian * XXX Yes, the math should take into account that bintval 4010278366Sadrian * is 1.024mS, not 1mS.. 4011278366Sadrian */ 4012278366Sadrian if (bintval > 0) { 4013278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "%s: bintval=%d\n", __func__, 4014278366Sadrian bintval); 4015282382Sadrian return (MIN(dwell_time, bintval - WPI_CHANNEL_TUNE_TIME * 2)); 4016278366Sadrian } 4017278366Sadrian 4018278366Sadrian /* No association context? Default. */ 4019282382Sadrian return dwell_time; 4020278366Sadrian} 4021278366Sadrian 4022278366Sadrianstatic uint16_t 4023278366Sadrianwpi_get_passive_dwell_time(struct wpi_softc *sc, struct ieee80211_channel *c) 4024278366Sadrian{ 4025278366Sadrian uint16_t passive; 4026278366Sadrian 4027278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) 4028278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_2GHZ; 4029278366Sadrian else 4030278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_5GHZ; 4031278366Sadrian 4032278366Sadrian /* Clamp to the beacon interval if we're associated. */ 4033278366Sadrian return (wpi_limit_dwell(sc, passive)); 4034278366Sadrian} 4035278366Sadrian 4036282383Sadrianstatic uint32_t 4037282383Sadrianwpi_get_scan_pause_time(uint32_t time, uint16_t bintval) 4038282383Sadrian{ 4039282383Sadrian uint32_t mod = (time % bintval) * IEEE80211_DUR_TU; 4040282383Sadrian uint32_t nbeacons = time / bintval; 4041282383Sadrian 4042282383Sadrian if (mod > WPI_PAUSE_MAX_TIME) 4043282383Sadrian mod = WPI_PAUSE_MAX_TIME; 4044282383Sadrian 4045282383Sadrian return WPI_PAUSE_SCAN(nbeacons, mod); 4046282383Sadrian} 4047282383Sadrian 4048278366Sadrian/* 4049278366Sadrian * Send a scan request to the firmware. 4050278366Sadrian */ 4051173362Sbenjscstatic int 4052278366Sadrianwpi_scan(struct wpi_softc *sc, struct ieee80211_channel *c) 4053173362Sbenjsc{ 4054287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 4055177043Sthompsa struct ieee80211_scan_state *ss = ic->ic_scan; 4056279762Sadrian struct ieee80211vap *vap = ss->ss_vap; 4057173362Sbenjsc struct wpi_scan_hdr *hdr; 4058278366Sadrian struct wpi_cmd_data *tx; 4059278366Sadrian struct wpi_scan_essid *essids; 4060173362Sbenjsc struct wpi_scan_chan *chan; 4061173362Sbenjsc struct ieee80211_frame *wh; 4062173362Sbenjsc struct ieee80211_rateset *rs; 4063278366Sadrian uint16_t dwell_active, dwell_passive; 4064278366Sadrian uint8_t *buf, *frm; 4065282382Sadrian int bgscan, bintval, buflen, error, i, nssid; 4066173362Sbenjsc 4067278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4068173362Sbenjsc 4069278366Sadrian /* 4070278366Sadrian * We are absolutely not allowed to send a scan command when another 4071278366Sadrian * scan command is pending. 4072278366Sadrian */ 4073280106Sadrian if (callout_pending(&sc->scan_timeout)) { 4074278366Sadrian device_printf(sc->sc_dev, "%s: called whilst scanning!\n", 4075278366Sadrian __func__); 4076282382Sadrian error = EAGAIN; 4077282382Sadrian goto fail; 4078282382Sadrian } 4079280060Sadrian 4080282382Sadrian bgscan = wpi_check_bss_filter(sc); 4081282382Sadrian bintval = vap->iv_bss->ni_intval; 4082282382Sadrian if (bgscan != 0 && 4083282382Sadrian bintval < WPI_QUIET_TIME_DEFAULT + WPI_CHANNEL_TUNE_TIME * 2) { 4084282382Sadrian error = EOPNOTSUPP; 4085282382Sadrian goto fail; 4086278366Sadrian } 4087278366Sadrian 4088278366Sadrian buf = malloc(WPI_SCAN_MAXSZ, M_DEVBUF, M_NOWAIT | M_ZERO); 4089278366Sadrian if (buf == NULL) { 4090173362Sbenjsc device_printf(sc->sc_dev, 4091278366Sadrian "%s: could not allocate buffer for scan command\n", 4092278366Sadrian __func__); 4093280060Sadrian error = ENOMEM; 4094280060Sadrian goto fail; 4095173362Sbenjsc } 4096278366Sadrian hdr = (struct wpi_scan_hdr *)buf; 4097173362Sbenjsc 4098173362Sbenjsc /* 4099278366Sadrian * Move to the next channel if no packets are received within 10 msecs 4100278366Sadrian * after sending the probe request. 4101173362Sbenjsc */ 4102282382Sadrian hdr->quiet_time = htole16(WPI_QUIET_TIME_DEFAULT); 4103282382Sadrian hdr->quiet_threshold = htole16(1); 4104282383Sadrian 4105282383Sadrian if (bgscan != 0) { 4106282383Sadrian /* 4107282383Sadrian * Max needs to be greater than active and passive and quiet! 4108282383Sadrian * It's also in microseconds! 4109282383Sadrian */ 4110282383Sadrian hdr->max_svc = htole32(250 * IEEE80211_DUR_TU); 4111282383Sadrian hdr->pause_svc = htole32(wpi_get_scan_pause_time(100, 4112282383Sadrian bintval)); 4113282383Sadrian } 4114282383Sadrian 4115278366Sadrian hdr->filter = htole32(WPI_FILTER_MULTICAST | WPI_FILTER_BEACON); 4116173362Sbenjsc 4117278366Sadrian tx = (struct wpi_cmd_data *)(hdr + 1); 4118278366Sadrian tx->flags = htole32(WPI_TX_AUTO_SEQ); 4119278366Sadrian tx->id = WPI_ID_BROADCAST; 4120278366Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 4121173362Sbenjsc 4122278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) { 4123278366Sadrian /* Send probe requests at 6Mbps. */ 4124278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_OFDM6]; 4125278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11A]; 4126173362Sbenjsc } else { 4127278366Sadrian hdr->flags = htole32(WPI_RXON_24GHZ | WPI_RXON_AUTO); 4128278366Sadrian /* Send probe requests at 1Mbps. */ 4129278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 4130278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11G]; 4131173362Sbenjsc } 4132173362Sbenjsc 4133278366Sadrian essids = (struct wpi_scan_essid *)(tx + 1); 4134177043Sthompsa nssid = MIN(ss->ss_nssid, WPI_SCAN_MAX_ESSIDS); 4135178354Ssam for (i = 0; i < nssid; i++) { 4136278366Sadrian essids[i].id = IEEE80211_ELEMID_SSID; 4137278366Sadrian essids[i].len = MIN(ss->ss_ssid[i].len, IEEE80211_NWID_LEN); 4138278366Sadrian memcpy(essids[i].data, ss->ss_ssid[i].ssid, essids[i].len); 4139179957Sthompsa#ifdef WPI_DEBUG 4140278366Sadrian if (sc->sc_debug & WPI_DEBUG_SCAN) { 4141177043Sthompsa printf("Scanning Essid: "); 4142278366Sadrian ieee80211_print_essid(essids[i].data, essids[i].len); 4143177043Sthompsa printf("\n"); 4144177043Sthompsa } 4145179957Sthompsa#endif 4146173362Sbenjsc } 4147173362Sbenjsc 4148173362Sbenjsc /* 4149173362Sbenjsc * Build a probe request frame. Most of the following code is a 4150173362Sbenjsc * copy & paste of what is done in net80211. 4151173362Sbenjsc */ 4152278366Sadrian wh = (struct ieee80211_frame *)(essids + WPI_SCAN_MAX_ESSIDS); 4153173362Sbenjsc wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 4154173362Sbenjsc IEEE80211_FC0_SUBTYPE_PROBE_REQ; 4155173362Sbenjsc wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 4156287197Sglebius IEEE80211_ADDR_COPY(wh->i_addr1, ieee80211broadcastaddr); 4157279762Sadrian IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); 4158287197Sglebius IEEE80211_ADDR_COPY(wh->i_addr3, ieee80211broadcastaddr); 4159173362Sbenjsc 4160173362Sbenjsc frm = (uint8_t *)(wh + 1); 4161275966Sadrian frm = ieee80211_add_ssid(frm, NULL, 0); 4162275966Sadrian frm = ieee80211_add_rates(frm, rs); 4163278366Sadrian if (rs->rs_nrates > IEEE80211_RATE_SIZE) 4164278366Sadrian frm = ieee80211_add_xrates(frm, rs); 4165173362Sbenjsc 4166278366Sadrian /* Set length of probe request. */ 4167278366Sadrian tx->len = htole16(frm - (uint8_t *)wh); 4168173362Sbenjsc 4169173362Sbenjsc /* 4170173362Sbenjsc * Construct information about the channel that we 4171173362Sbenjsc * want to scan. The firmware expects this to be directly 4172173362Sbenjsc * after the scan probe request 4173173362Sbenjsc */ 4174173362Sbenjsc chan = (struct wpi_scan_chan *)frm; 4175278366Sadrian chan->chan = htole16(ieee80211_chan2ieee(ic, c)); 4176173362Sbenjsc chan->flags = 0; 4177278366Sadrian if (nssid) { 4178278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_DEFAULT; 4179278366Sadrian chan->flags |= WPI_CHAN_NPBREQS(nssid); 4180278366Sadrian } else 4181278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_NEVER; 4182278366Sadrian 4183278764Sadrian if (!IEEE80211_IS_CHAN_PASSIVE(c)) 4184173362Sbenjsc chan->flags |= WPI_CHAN_ACTIVE; 4185173362Sbenjsc 4186278366Sadrian /* 4187278366Sadrian * Calculate the active/passive dwell times. 4188278366Sadrian */ 4189278366Sadrian dwell_active = wpi_get_active_dwell_time(sc, c, nssid); 4190278366Sadrian dwell_passive = wpi_get_passive_dwell_time(sc, c); 4191278366Sadrian 4192278366Sadrian /* Make sure they're valid. */ 4193282382Sadrian if (dwell_active > dwell_passive) 4194282382Sadrian dwell_active = dwell_passive; 4195278366Sadrian 4196278366Sadrian chan->active = htole16(dwell_active); 4197278366Sadrian chan->passive = htole16(dwell_passive); 4198278366Sadrian 4199278366Sadrian chan->dsp_gain = 0x6e; /* Default level */ 4200278366Sadrian 4201278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) 4202278366Sadrian chan->rf_gain = 0x3b; 4203278366Sadrian else 4204278366Sadrian chan->rf_gain = 0x28; 4205278366Sadrian 4206278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "Scanning %u Passive: %d\n", 4207280059Sadrian chan->chan, IEEE80211_IS_CHAN_PASSIVE(c)); 4208278366Sadrian 4209173362Sbenjsc hdr->nchan++; 4210282376Sadrian 4211282376Sadrian if (hdr->nchan == 1 && sc->rxon.chan == chan->chan) { 4212282376Sadrian /* XXX Force probe request transmission. */ 4213282376Sadrian memcpy(chan + 1, chan, sizeof (struct wpi_scan_chan)); 4214282376Sadrian 4215282376Sadrian chan++; 4216282376Sadrian 4217282376Sadrian /* Reduce unnecessary delay. */ 4218282376Sadrian chan->flags = 0; 4219282376Sadrian chan->passive = chan->active = hdr->quiet_time; 4220282376Sadrian 4221282376Sadrian hdr->nchan++; 4222282376Sadrian } 4223282376Sadrian 4224173362Sbenjsc chan++; 4225173362Sbenjsc 4226278366Sadrian buflen = (uint8_t *)chan - buf; 4227278366Sadrian hdr->len = htole16(buflen); 4228173362Sbenjsc 4229278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "sending scan command nchan=%d\n", 4230278366Sadrian hdr->nchan); 4231278366Sadrian error = wpi_cmd(sc, WPI_CMD_SCAN, buf, buflen, 1); 4232278366Sadrian free(buf, M_DEVBUF); 4233173362Sbenjsc 4234280060Sadrian if (error != 0) 4235280060Sadrian goto fail; 4236280060Sadrian 4237280106Sadrian callout_reset(&sc->scan_timeout, 5*hz, wpi_scan_timeout, sc); 4238173362Sbenjsc 4239278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4240173362Sbenjsc 4241280060Sadrian return 0; 4242280060Sadrian 4243280060Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 4244280060Sadrian 4245278366Sadrian return error; 4246278366Sadrian} 4247173362Sbenjsc 4248278366Sadrianstatic int 4249278366Sadrianwpi_auth(struct wpi_softc *sc, struct ieee80211vap *vap) 4250278366Sadrian{ 4251278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4252278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4253282371Sadrian struct ieee80211_channel *c = ni->ni_chan; 4254278366Sadrian int error; 4255173362Sbenjsc 4256280108Sadrian WPI_RXON_LOCK(sc); 4257280108Sadrian 4258278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4259278366Sadrian 4260278366Sadrian /* Update adapter configuration. */ 4261278366Sadrian sc->rxon.associd = 0; 4262278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 4263278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4264282371Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 4265278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4266282371Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) 4267278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4268278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4269278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4270278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4271278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4272282371Sadrian if (IEEE80211_IS_CHAN_A(c)) { 4273278366Sadrian sc->rxon.cck_mask = 0; 4274278366Sadrian sc->rxon.ofdm_mask = 0x15; 4275282371Sadrian } else if (IEEE80211_IS_CHAN_B(c)) { 4276278366Sadrian sc->rxon.cck_mask = 0x03; 4277278366Sadrian sc->rxon.ofdm_mask = 0; 4278278366Sadrian } else { 4279278366Sadrian /* Assume 802.11b/g. */ 4280278366Sadrian sc->rxon.cck_mask = 0x0f; 4281278366Sadrian sc->rxon.ofdm_mask = 0x15; 4282173362Sbenjsc } 4283173362Sbenjsc 4284278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x cck %x ofdm %x\n", 4285278366Sadrian sc->rxon.chan, sc->rxon.flags, sc->rxon.cck_mask, 4286278366Sadrian sc->rxon.ofdm_mask); 4287173362Sbenjsc 4288278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4289278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4290278366Sadrian __func__); 4291278366Sadrian } 4292173362Sbenjsc 4293278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4294173362Sbenjsc 4295280108Sadrian WPI_RXON_UNLOCK(sc); 4296280108Sadrian 4297278366Sadrian return error; 4298173362Sbenjsc} 4299173362Sbenjsc 4300173362Sbenjscstatic int 4301280084Sadrianwpi_config_beacon(struct wpi_vap *wvp) 4302280084Sadrian{ 4303288095Sadrian struct ieee80211vap *vap = &wvp->wv_vap; 4304288095Sadrian struct ieee80211com *ic = vap->iv_ic; 4305288095Sadrian struct ieee80211_beacon_offsets *bo = &vap->iv_bcn_off; 4306280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4307286865Sadrian struct wpi_softc *sc = ic->ic_softc; 4308280084Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 4309280084Sadrian struct ieee80211_tim_ie *tie; 4310280084Sadrian struct mbuf *m; 4311280084Sadrian uint8_t *ptr; 4312280084Sadrian int error; 4313280084Sadrian 4314280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4315280084Sadrian 4316280086Sadrian WPI_VAP_LOCK_ASSERT(wvp); 4317280084Sadrian 4318280084Sadrian cmd->len = htole16(bcn->m->m_pkthdr.len); 4319280084Sadrian cmd->plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 4320280084Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 4321280084Sadrian 4322280084Sadrian /* XXX seems to be unused */ 4323280084Sadrian if (*(bo->bo_tim) == IEEE80211_ELEMID_TIM) { 4324280084Sadrian tie = (struct ieee80211_tim_ie *) bo->bo_tim; 4325280084Sadrian ptr = mtod(bcn->m, uint8_t *); 4326280084Sadrian 4327280084Sadrian cmd->tim = htole16(bo->bo_tim - ptr); 4328280084Sadrian cmd->timsz = tie->tim_len; 4329280084Sadrian } 4330280084Sadrian 4331280084Sadrian /* Necessary for recursion in ieee80211_beacon_update(). */ 4332280084Sadrian m = bcn->m; 4333280084Sadrian bcn->m = m_dup(m, M_NOWAIT); 4334280084Sadrian if (bcn->m == NULL) { 4335280084Sadrian device_printf(sc->sc_dev, 4336280084Sadrian "%s: could not copy beacon frame\n", __func__); 4337280084Sadrian error = ENOMEM; 4338280084Sadrian goto end; 4339280084Sadrian } 4340280084Sadrian 4341280084Sadrian if ((error = wpi_cmd2(sc, bcn)) != 0) { 4342280084Sadrian device_printf(sc->sc_dev, 4343280084Sadrian "%s: could not update beacon frame, error %d", __func__, 4344280084Sadrian error); 4345280084Sadrian } 4346280084Sadrian 4347280084Sadrian /* Restore mbuf. */ 4348280084Sadrianend: bcn->m = m; 4349280084Sadrian 4350280084Sadrian return error; 4351280084Sadrian} 4352280084Sadrian 4353280084Sadrianstatic int 4354278366Sadrianwpi_setup_beacon(struct wpi_softc *sc, struct ieee80211_node *ni) 4355173362Sbenjsc{ 4356288095Sadrian struct ieee80211vap *vap = ni->ni_vap; 4357288095Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4358278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4359278366Sadrian struct mbuf *m; 4360280084Sadrian int error; 4361173362Sbenjsc 4362278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4363278366Sadrian 4364278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) 4365278366Sadrian return EINVAL; 4366278366Sadrian 4367288636Sadrian m = ieee80211_beacon_alloc(ni); 4368278366Sadrian if (m == NULL) { 4369278366Sadrian device_printf(sc->sc_dev, 4370278366Sadrian "%s: could not allocate beacon frame\n", __func__); 4371278366Sadrian return ENOMEM; 4372173362Sbenjsc } 4373173362Sbenjsc 4374280086Sadrian WPI_VAP_LOCK(wvp); 4375280084Sadrian if (bcn->m != NULL) 4376280084Sadrian m_freem(bcn->m); 4377278366Sadrian 4378278366Sadrian bcn->m = m; 4379278366Sadrian 4380280084Sadrian error = wpi_config_beacon(wvp); 4381280086Sadrian WPI_VAP_UNLOCK(wvp); 4382280084Sadrian 4383280084Sadrian return error; 4384278366Sadrian} 4385278366Sadrian 4386278366Sadrianstatic void 4387278366Sadrianwpi_update_beacon(struct ieee80211vap *vap, int item) 4388278366Sadrian{ 4389286865Sadrian struct wpi_softc *sc = vap->iv_ic->ic_softc; 4390280084Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4391280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4392288095Sadrian struct ieee80211_beacon_offsets *bo = &vap->iv_bcn_off; 4393278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4394280084Sadrian int mcast = 0; 4395278366Sadrian 4396280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4397280084Sadrian 4398280086Sadrian WPI_VAP_LOCK(wvp); 4399280084Sadrian if (bcn->m == NULL) { 4400288636Sadrian bcn->m = ieee80211_beacon_alloc(ni); 4401280084Sadrian if (bcn->m == NULL) { 4402280084Sadrian device_printf(sc->sc_dev, 4403280084Sadrian "%s: could not allocate beacon frame\n", __func__); 4404280084Sadrian 4405280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, 4406280084Sadrian __func__); 4407280084Sadrian 4408280086Sadrian WPI_VAP_UNLOCK(wvp); 4409280084Sadrian return; 4410280084Sadrian } 4411173362Sbenjsc } 4412280086Sadrian WPI_VAP_UNLOCK(wvp); 4413280084Sadrian 4414280084Sadrian if (item == IEEE80211_BEACON_TIM) 4415280084Sadrian mcast = 1; /* TODO */ 4416280084Sadrian 4417280084Sadrian setbit(bo->bo_flags, item); 4418288636Sadrian ieee80211_beacon_update(ni, bcn->m, mcast); 4419280084Sadrian 4420280086Sadrian WPI_VAP_LOCK(wvp); 4421280084Sadrian wpi_config_beacon(wvp); 4422280086Sadrian WPI_VAP_UNLOCK(wvp); 4423280084Sadrian 4424280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4425278366Sadrian} 4426173362Sbenjsc 4427280079Sadrianstatic void 4428280079Sadrianwpi_newassoc(struct ieee80211_node *ni, int isnew) 4429280079Sadrian{ 4430280079Sadrian struct ieee80211vap *vap = ni->ni_vap; 4431286865Sadrian struct wpi_softc *sc = ni->ni_ic->ic_softc; 4432280079Sadrian struct wpi_node *wn = WPI_NODE(ni); 4433280079Sadrian int error; 4434280079Sadrian 4435280079Sadrian WPI_NT_LOCK(sc); 4436280079Sadrian 4437280079Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4438280079Sadrian 4439280079Sadrian if (vap->iv_opmode != IEEE80211_M_STA && wn->id == WPI_ID_UNDEFINED) { 4440280079Sadrian if ((error = wpi_add_ibss_node(sc, ni)) != 0) { 4441280079Sadrian device_printf(sc->sc_dev, 4442280079Sadrian "%s: could not add IBSS node, error %d\n", 4443280079Sadrian __func__, error); 4444280079Sadrian } 4445280079Sadrian } 4446280079Sadrian WPI_NT_UNLOCK(sc); 4447280079Sadrian} 4448280079Sadrian 4449278366Sadrianstatic int 4450278366Sadrianwpi_run(struct wpi_softc *sc, struct ieee80211vap *vap) 4451278366Sadrian{ 4452278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4453278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4454282371Sadrian struct ieee80211_channel *c = ni->ni_chan; 4455278366Sadrian int error; 4456278366Sadrian 4457278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4458278366Sadrian 4459278366Sadrian if (vap->iv_opmode == IEEE80211_M_MONITOR) { 4460278366Sadrian /* Link LED blinks while monitoring. */ 4461278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 5, 5); 4462278366Sadrian return 0; 4463173362Sbenjsc } 4464278366Sadrian 4465278366Sadrian /* XXX kernel panic workaround */ 4466282371Sadrian if (c == IEEE80211_CHAN_ANYC) { 4467278366Sadrian device_printf(sc->sc_dev, "%s: incomplete configuration\n", 4468278366Sadrian __func__); 4469195562Srpaulo return EINVAL; 4470173362Sbenjsc } 4471278366Sadrian 4472278366Sadrian if ((error = wpi_set_timing(sc, ni)) != 0) { 4473278366Sadrian device_printf(sc->sc_dev, 4474278366Sadrian "%s: could not set timing, error %d\n", __func__, error); 4475173362Sbenjsc return error; 4476173362Sbenjsc } 4477173362Sbenjsc 4478278366Sadrian /* Update adapter configuration. */ 4479280108Sadrian WPI_RXON_LOCK(sc); 4480278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4481278366Sadrian sc->rxon.associd = htole16(IEEE80211_NODE_AID(ni)); 4482282371Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 4483278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4484282371Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) 4485278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4486278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4487278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4488278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4489278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4490282371Sadrian if (IEEE80211_IS_CHAN_A(c)) { 4491278366Sadrian sc->rxon.cck_mask = 0; 4492278366Sadrian sc->rxon.ofdm_mask = 0x15; 4493282371Sadrian } else if (IEEE80211_IS_CHAN_B(c)) { 4494278366Sadrian sc->rxon.cck_mask = 0x03; 4495278366Sadrian sc->rxon.ofdm_mask = 0; 4496278366Sadrian } else { 4497278366Sadrian /* Assume 802.11b/g. */ 4498278366Sadrian sc->rxon.cck_mask = 0x0f; 4499278366Sadrian sc->rxon.ofdm_mask = 0x15; 4500173362Sbenjsc } 4501278366Sadrian sc->rxon.filter |= htole32(WPI_FILTER_BSS); 4502173362Sbenjsc 4503278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x\n", 4504278366Sadrian sc->rxon.chan, sc->rxon.flags); 4505278366Sadrian 4506278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4507278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4508278366Sadrian __func__); 4509173362Sbenjsc return error; 4510173362Sbenjsc } 4511173362Sbenjsc 4512280108Sadrian /* Start periodic calibration timer. */ 4513280108Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 4514280108Sadrian 4515280108Sadrian WPI_RXON_UNLOCK(sc); 4516280108Sadrian 4517280105Sadrian if (vap->iv_opmode == IEEE80211_M_IBSS || 4518280105Sadrian vap->iv_opmode == IEEE80211_M_HOSTAP) { 4519278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 4520278366Sadrian device_printf(sc->sc_dev, 4521278366Sadrian "%s: could not setup beacon, error %d\n", __func__, 4522278366Sadrian error); 4523278366Sadrian return error; 4524278366Sadrian } 4525173362Sbenjsc } 4526173362Sbenjsc 4527278366Sadrian if (vap->iv_opmode == IEEE80211_M_STA) { 4528278366Sadrian /* Add BSS node. */ 4529280077Sadrian WPI_NT_LOCK(sc); 4530280070Sadrian error = wpi_add_sta_node(sc, ni); 4531280077Sadrian WPI_NT_UNLOCK(sc); 4532280070Sadrian if (error != 0) { 4533278366Sadrian device_printf(sc->sc_dev, 4534278366Sadrian "%s: could not add BSS node, error %d\n", __func__, 4535278366Sadrian error); 4536278366Sadrian return error; 4537278366Sadrian } 4538278366Sadrian } 4539173362Sbenjsc 4540278366Sadrian /* Link LED always on while associated. */ 4541278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 4542173362Sbenjsc 4543278366Sadrian /* Enable power-saving mode if requested by user. */ 4544280099Sadrian if ((vap->iv_flags & IEEE80211_F_PMGTON) && 4545280099Sadrian vap->iv_opmode != IEEE80211_M_IBSS) 4546278366Sadrian (void)wpi_set_pslevel(sc, 0, 3, 1); 4547173362Sbenjsc 4548278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4549173362Sbenjsc 4550278366Sadrian return 0; 4551173362Sbenjsc} 4552173362Sbenjsc 4553173362Sbenjscstatic int 4554280088Sadrianwpi_load_key(struct ieee80211_node *ni, const struct ieee80211_key *k) 4555173362Sbenjsc{ 4556278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4557280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4558286865Sadrian struct wpi_softc *sc = ni->ni_ic->ic_softc; 4559280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4560278366Sadrian struct wpi_node_info node; 4561278366Sadrian uint16_t kflags; 4562278366Sadrian int error; 4563173362Sbenjsc 4564278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4565173362Sbenjsc 4566280088Sadrian if (wpi_check_node_entry(sc, wn->id) == 0) { 4567280088Sadrian device_printf(sc->sc_dev, "%s: node does not exist\n", 4568280088Sadrian __func__); 4569280088Sadrian return 0; 4570280088Sadrian } 4571280088Sadrian 4572278366Sadrian switch (cip->ic_cipher) { 4573278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4574278366Sadrian kflags = WPI_KFLAG_CCMP; 4575278366Sadrian break; 4576280088Sadrian 4577278366Sadrian default: 4578280088Sadrian device_printf(sc->sc_dev, "%s: unknown cipher %d\n", __func__, 4579280088Sadrian cip->ic_cipher); 4580280088Sadrian return 0; 4581278366Sadrian } 4582173362Sbenjsc 4583278366Sadrian kflags |= WPI_KFLAG_KID(k->wk_keyix); 4584278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4585278366Sadrian kflags |= WPI_KFLAG_MULTICAST; 4586173362Sbenjsc 4587278366Sadrian memset(&node, 0, sizeof node); 4588278366Sadrian node.id = wn->id; 4589278366Sadrian node.control = WPI_NODE_UPDATE; 4590278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4591278366Sadrian node.kflags = htole16(kflags); 4592278366Sadrian memcpy(node.key, k->wk_key, k->wk_keylen); 4593280088Sadrianagain: 4594280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, 4595280088Sadrian "%s: setting %s key id %d for node %d (%s)\n", __func__, 4596280088Sadrian (kflags & WPI_KFLAG_MULTICAST) ? "group" : "ucast", k->wk_keyix, 4597280088Sadrian node.id, ether_sprintf(ni->ni_macaddr)); 4598173362Sbenjsc 4599278366Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4600278366Sadrian if (error != 0) { 4601278366Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4602278366Sadrian error); 4603280088Sadrian return !error; 4604173362Sbenjsc } 4605173362Sbenjsc 4606280088Sadrian if (!(kflags & WPI_KFLAG_MULTICAST) && &vap->iv_nw_keys[0] <= k && 4607280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4608280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4609280088Sadrian node.kflags = htole16(kflags); 4610280088Sadrian 4611280088Sadrian goto again; 4612280088Sadrian } 4613280088Sadrian 4614278366Sadrian return 1; 4615173362Sbenjsc} 4616173362Sbenjsc 4617280088Sadrianstatic void 4618280088Sadrianwpi_load_key_cb(void *arg, struct ieee80211_node *ni) 4619280088Sadrian{ 4620280088Sadrian const struct ieee80211_key *k = arg; 4621280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4622286865Sadrian struct wpi_softc *sc = ni->ni_ic->ic_softc; 4623280088Sadrian struct wpi_node *wn = WPI_NODE(ni); 4624280088Sadrian int error; 4625280088Sadrian 4626280088Sadrian if (vap->iv_bss == ni && wn->id == WPI_ID_UNDEFINED) 4627280088Sadrian return; 4628280088Sadrian 4629280088Sadrian WPI_NT_LOCK(sc); 4630280088Sadrian error = wpi_load_key(ni, k); 4631280088Sadrian WPI_NT_UNLOCK(sc); 4632280088Sadrian 4633280088Sadrian if (error == 0) { 4634280088Sadrian device_printf(sc->sc_dev, "%s: error while setting key\n", 4635280088Sadrian __func__); 4636280088Sadrian } 4637280088Sadrian} 4638280088Sadrian 4639278366Sadrianstatic int 4640280088Sadrianwpi_set_global_keys(struct ieee80211_node *ni) 4641173362Sbenjsc{ 4642280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4643280088Sadrian struct ieee80211_key *wk = &vap->iv_nw_keys[0]; 4644280088Sadrian int error = 1; 4645280088Sadrian 4646280088Sadrian for (; wk < &vap->iv_nw_keys[IEEE80211_WEP_NKID] && error; wk++) 4647280088Sadrian if (wk->wk_keyix != IEEE80211_KEYIX_NONE) 4648280088Sadrian error = wpi_load_key(ni, wk); 4649280088Sadrian 4650280088Sadrian return !error; 4651280088Sadrian} 4652280088Sadrian 4653280088Sadrianstatic int 4654280088Sadrianwpi_del_key(struct ieee80211_node *ni, const struct ieee80211_key *k) 4655280088Sadrian{ 4656280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4657286865Sadrian struct wpi_softc *sc = ni->ni_ic->ic_softc; 4658280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4659278366Sadrian struct wpi_node_info node; 4660280088Sadrian uint16_t kflags; 4661280088Sadrian int error; 4662173362Sbenjsc 4663278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4664173362Sbenjsc 4665280088Sadrian if (wpi_check_node_entry(sc, wn->id) == 0) { 4666280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: node was removed\n", __func__); 4667280088Sadrian return 1; /* Nothing to do. */ 4668278366Sadrian } 4669173362Sbenjsc 4670280088Sadrian kflags = WPI_KFLAG_KID(k->wk_keyix); 4671280088Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4672280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4673173362Sbenjsc 4674278366Sadrian memset(&node, 0, sizeof node); 4675278366Sadrian node.id = wn->id; 4676278366Sadrian node.control = WPI_NODE_UPDATE; 4677278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4678280088Sadrian node.kflags = htole16(kflags); 4679280088Sadrianagain: 4680280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: deleting %s key %d for node %d (%s)\n", 4681280088Sadrian __func__, (kflags & WPI_KFLAG_MULTICAST) ? "group" : "ucast", 4682280088Sadrian k->wk_keyix, node.id, ether_sprintf(ni->ni_macaddr)); 4683173362Sbenjsc 4684280088Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4685280088Sadrian if (error != 0) { 4686280088Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4687280088Sadrian error); 4688280088Sadrian return !error; 4689280088Sadrian } 4690173362Sbenjsc 4691280088Sadrian if (!(kflags & WPI_KFLAG_MULTICAST) && &vap->iv_nw_keys[0] <= k && 4692280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4693280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4694280088Sadrian node.kflags = htole16(kflags); 4695280088Sadrian 4696280088Sadrian goto again; 4697280088Sadrian } 4698280088Sadrian 4699278366Sadrian return 1; 4700173362Sbenjsc} 4701173362Sbenjsc 4702280088Sadrianstatic void 4703280088Sadrianwpi_del_key_cb(void *arg, struct ieee80211_node *ni) 4704280088Sadrian{ 4705280088Sadrian const struct ieee80211_key *k = arg; 4706280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4707286865Sadrian struct wpi_softc *sc = ni->ni_ic->ic_softc; 4708280088Sadrian struct wpi_node *wn = WPI_NODE(ni); 4709280088Sadrian int error; 4710280088Sadrian 4711280088Sadrian if (vap->iv_bss == ni && wn->id == WPI_ID_UNDEFINED) 4712280088Sadrian return; 4713280088Sadrian 4714280088Sadrian WPI_NT_LOCK(sc); 4715280088Sadrian error = wpi_del_key(ni, k); 4716280088Sadrian WPI_NT_UNLOCK(sc); 4717280088Sadrian 4718280088Sadrian if (error == 0) { 4719280088Sadrian device_printf(sc->sc_dev, "%s: error while deleting key\n", 4720280088Sadrian __func__); 4721280088Sadrian } 4722280088Sadrian} 4723280088Sadrian 4724280088Sadrianstatic int 4725280088Sadrianwpi_process_key(struct ieee80211vap *vap, const struct ieee80211_key *k, 4726280088Sadrian int set) 4727280088Sadrian{ 4728280088Sadrian struct ieee80211com *ic = vap->iv_ic; 4729286865Sadrian struct wpi_softc *sc = ic->ic_softc; 4730280088Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4731280088Sadrian struct ieee80211_node *ni; 4732280088Sadrian int error, ni_ref = 0; 4733280088Sadrian 4734280088Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4735280088Sadrian 4736280088Sadrian if (k->wk_flags & IEEE80211_KEY_SWCRYPT) { 4737280088Sadrian /* Not for us. */ 4738280088Sadrian return 1; 4739280088Sadrian } 4740280088Sadrian 4741280088Sadrian if (!(k->wk_flags & IEEE80211_KEY_RECV)) { 4742280088Sadrian /* XMIT keys are handled in wpi_tx_data(). */ 4743280088Sadrian return 1; 4744280088Sadrian } 4745280088Sadrian 4746280088Sadrian /* Handle group keys. */ 4747280088Sadrian if (&vap->iv_nw_keys[0] <= k && 4748280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4749280088Sadrian WPI_NT_LOCK(sc); 4750280088Sadrian if (set) 4751280088Sadrian wvp->wv_gtk |= WPI_VAP_KEY(k->wk_keyix); 4752280088Sadrian else 4753280088Sadrian wvp->wv_gtk &= ~WPI_VAP_KEY(k->wk_keyix); 4754280088Sadrian WPI_NT_UNLOCK(sc); 4755280088Sadrian 4756280088Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 4757280088Sadrian ieee80211_iterate_nodes(&ic->ic_sta, 4758280127Skib set ? wpi_load_key_cb : wpi_del_key_cb, 4759280127Skib __DECONST(void *, k)); 4760280088Sadrian } 4761280088Sadrian 4762280088Sadrian return 1; 4763280088Sadrian } 4764280088Sadrian 4765280088Sadrian switch (vap->iv_opmode) { 4766280088Sadrian case IEEE80211_M_STA: 4767280088Sadrian ni = vap->iv_bss; 4768280088Sadrian break; 4769280088Sadrian 4770280088Sadrian case IEEE80211_M_IBSS: 4771280088Sadrian case IEEE80211_M_AHDEMO: 4772280105Sadrian case IEEE80211_M_HOSTAP: 4773280088Sadrian ni = ieee80211_find_vap_node(&ic->ic_sta, vap, k->wk_macaddr); 4774280088Sadrian if (ni == NULL) 4775280088Sadrian return 0; /* should not happen */ 4776280088Sadrian 4777280088Sadrian ni_ref = 1; 4778280088Sadrian break; 4779280088Sadrian 4780280088Sadrian default: 4781280088Sadrian device_printf(sc->sc_dev, "%s: unknown opmode %d\n", __func__, 4782280088Sadrian vap->iv_opmode); 4783280088Sadrian return 0; 4784280088Sadrian } 4785280088Sadrian 4786280088Sadrian WPI_NT_LOCK(sc); 4787280088Sadrian if (set) 4788280088Sadrian error = wpi_load_key(ni, k); 4789280088Sadrian else 4790280088Sadrian error = wpi_del_key(ni, k); 4791280088Sadrian WPI_NT_UNLOCK(sc); 4792280088Sadrian 4793280088Sadrian if (ni_ref) 4794280088Sadrian ieee80211_node_decref(ni); 4795280088Sadrian 4796280088Sadrian return error; 4797280088Sadrian} 4798280088Sadrian 4799280088Sadrianstatic int 4800288635Sadrianwpi_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k) 4801280088Sadrian{ 4802280088Sadrian return wpi_process_key(vap, k, 1); 4803280088Sadrian} 4804280088Sadrian 4805280088Sadrianstatic int 4806280088Sadrianwpi_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 4807280088Sadrian{ 4808280088Sadrian return wpi_process_key(vap, k, 0); 4809280088Sadrian} 4810280088Sadrian 4811278366Sadrian/* 4812278366Sadrian * This function is called after the runtime firmware notifies us of its 4813278366Sadrian * readiness (called in a process context). 4814278366Sadrian */ 4815278366Sadrianstatic int 4816278366Sadrianwpi_post_alive(struct wpi_softc *sc) 4817177043Sthompsa{ 4818278366Sadrian int ntries, error; 4819177043Sthompsa 4820278366Sadrian /* Check (again) that the radio is not disabled. */ 4821278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4822278366Sadrian return error; 4823177043Sthompsa 4824278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4825278366Sadrian 4826278366Sadrian /* NB: Runtime firmware must be up and running. */ 4827278366Sadrian if (!(wpi_prph_read(sc, WPI_APMG_RFKILL) & 1)) { 4828282391Sadrian device_printf(sc->sc_dev, 4829278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4830278366Sadrian wpi_nic_unlock(sc); 4831278366Sadrian return EPERM; /* :-) */ 4832278366Sadrian } 4833278366Sadrian wpi_nic_unlock(sc); 4834278366Sadrian 4835278366Sadrian /* Wait for thermal sensor to calibrate. */ 4836177043Sthompsa for (ntries = 0; ntries < 1000; ntries++) { 4837278366Sadrian if ((sc->temp = (int)WPI_READ(sc, WPI_UCODE_GP2)) != 0) 4838177043Sthompsa break; 4839177043Sthompsa DELAY(10); 4840177043Sthompsa } 4841177043Sthompsa 4842177043Sthompsa if (ntries == 1000) { 4843177043Sthompsa device_printf(sc->sc_dev, 4844278366Sadrian "timeout waiting for thermal sensor calibration\n"); 4845280059Sadrian return ETIMEDOUT; 4846280059Sadrian } 4847177043Sthompsa 4848280059Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d\n", sc->temp); 4849280059Sadrian return 0; 4850278366Sadrian} 4851177043Sthompsa 4852278366Sadrian/* 4853278366Sadrian * The firmware boot code is small and is intended to be copied directly into 4854278366Sadrian * the NIC internal memory (no DMA transfer). 4855278366Sadrian */ 4856278366Sadrianstatic int 4857278366Sadrianwpi_load_bootcode(struct wpi_softc *sc, const uint8_t *ucode, int size) 4858278366Sadrian{ 4859278366Sadrian int error, ntries; 4860177043Sthompsa 4861278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, "Loading microcode size 0x%x\n", size); 4862278366Sadrian 4863278366Sadrian size /= sizeof (uint32_t); 4864278366Sadrian 4865278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4866278366Sadrian return error; 4867278366Sadrian 4868278366Sadrian /* Copy microcode image into NIC memory. */ 4869278366Sadrian wpi_prph_write_region_4(sc, WPI_BSM_SRAM_BASE, 4870278366Sadrian (const uint32_t *)ucode, size); 4871278366Sadrian 4872278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_SRC, 0); 4873278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_DST, WPI_FW_TEXT_BASE); 4874278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_DWCOUNT, size); 4875278366Sadrian 4876278366Sadrian /* Start boot load now. */ 4877278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START); 4878278366Sadrian 4879278366Sadrian /* Wait for transfer to complete. */ 4880278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 4881278366Sadrian uint32_t status = WPI_READ(sc, WPI_FH_TX_STATUS); 4882278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4883278366Sadrian "firmware status=0x%x, val=0x%x, result=0x%x\n", status, 4884278366Sadrian WPI_FH_TX_STATUS_IDLE(6), 4885278366Sadrian status & WPI_FH_TX_STATUS_IDLE(6)); 4886278366Sadrian if (status & WPI_FH_TX_STATUS_IDLE(6)) { 4887278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4888278366Sadrian "Status Match! - ntries = %d\n", ntries); 4889278366Sadrian break; 4890178354Ssam } 4891278366Sadrian DELAY(10); 4892177043Sthompsa } 4893278366Sadrian if (ntries == 1000) { 4894278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4895278366Sadrian __func__); 4896278366Sadrian wpi_nic_unlock(sc); 4897278366Sadrian return ETIMEDOUT; 4898278366Sadrian } 4899177043Sthompsa 4900278366Sadrian /* Enable boot after power up. */ 4901278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START_EN); 4902278366Sadrian 4903278366Sadrian wpi_nic_unlock(sc); 4904278366Sadrian return 0; 4905177043Sthompsa} 4906177043Sthompsa 4907278366Sadrianstatic int 4908278366Sadrianwpi_load_firmware(struct wpi_softc *sc) 4909177043Sthompsa{ 4910278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4911278366Sadrian struct wpi_dma_info *dma = &sc->fw_dma; 4912278366Sadrian int error; 4913173362Sbenjsc 4914278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4915173362Sbenjsc 4916278366Sadrian /* Copy initialization sections into pre-allocated DMA-safe memory. */ 4917278366Sadrian memcpy(dma->vaddr, fw->init.data, fw->init.datasz); 4918278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4919278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->init.text, fw->init.textsz); 4920278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4921173362Sbenjsc 4922278366Sadrian /* Tell adapter where to find initialization sections. */ 4923278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4924278366Sadrian return error; 4925278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4926278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->init.datasz); 4927278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4928278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4929278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, fw->init.textsz); 4930278366Sadrian wpi_nic_unlock(sc); 4931173362Sbenjsc 4932278366Sadrian /* Load firmware boot code. */ 4933278366Sadrian error = wpi_load_bootcode(sc, fw->boot.text, fw->boot.textsz); 4934278366Sadrian if (error != 0) { 4935278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4936278366Sadrian __func__); 4937278366Sadrian return error; 4938278366Sadrian } 4939173362Sbenjsc 4940278366Sadrian /* Now press "execute". */ 4941278366Sadrian WPI_WRITE(sc, WPI_RESET, 0); 4942173362Sbenjsc 4943278366Sadrian /* Wait at most one second for first alive notification. */ 4944280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4945278366Sadrian device_printf(sc->sc_dev, 4946278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4947278366Sadrian __func__, error); 4948278366Sadrian return error; 4949173362Sbenjsc } 4950173362Sbenjsc 4951278366Sadrian /* Copy runtime sections into pre-allocated DMA-safe memory. */ 4952278366Sadrian memcpy(dma->vaddr, fw->main.data, fw->main.datasz); 4953278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4954278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->main.text, fw->main.textsz); 4955278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4956173362Sbenjsc 4957278366Sadrian /* Tell adapter where to find runtime sections. */ 4958278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4959278366Sadrian return error; 4960278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4961278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->main.datasz); 4962278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4963278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4964278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, 4965278366Sadrian WPI_FW_UPDATED | fw->main.textsz); 4966278366Sadrian wpi_nic_unlock(sc); 4967173362Sbenjsc 4968278366Sadrian return 0; 4969278366Sadrian} 4970173362Sbenjsc 4971278366Sadrianstatic int 4972278366Sadrianwpi_read_firmware(struct wpi_softc *sc) 4973278366Sadrian{ 4974278366Sadrian const struct firmware *fp; 4975278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4976278366Sadrian const struct wpi_firmware_hdr *hdr; 4977278366Sadrian int error; 4978173362Sbenjsc 4979278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4980278366Sadrian 4981278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4982278366Sadrian "Attempting Loading Firmware from %s module\n", WPI_FW_NAME); 4983278366Sadrian 4984278366Sadrian WPI_UNLOCK(sc); 4985278366Sadrian fp = firmware_get(WPI_FW_NAME); 4986278366Sadrian WPI_LOCK(sc); 4987278366Sadrian 4988278366Sadrian if (fp == NULL) { 4989278366Sadrian device_printf(sc->sc_dev, 4990278366Sadrian "could not load firmware image '%s'\n", WPI_FW_NAME); 4991278366Sadrian return EINVAL; 4992173362Sbenjsc } 4993173362Sbenjsc 4994278366Sadrian sc->fw_fp = fp; 4995173362Sbenjsc 4996278366Sadrian if (fp->datasize < sizeof (struct wpi_firmware_hdr)) { 4997278366Sadrian device_printf(sc->sc_dev, 4998278366Sadrian "firmware file too short: %zu bytes\n", fp->datasize); 4999278366Sadrian error = EINVAL; 5000278366Sadrian goto fail; 5001173362Sbenjsc } 5002173362Sbenjsc 5003278366Sadrian fw->size = fp->datasize; 5004278366Sadrian fw->data = (const uint8_t *)fp->data; 5005278366Sadrian 5006278366Sadrian /* Extract firmware header information. */ 5007278366Sadrian hdr = (const struct wpi_firmware_hdr *)fw->data; 5008278366Sadrian 5009278366Sadrian /* | RUNTIME FIRMWARE | INIT FIRMWARE | BOOT FW | 5010278366Sadrian |HDR|<--TEXT-->|<--DATA-->|<--TEXT-->|<--DATA-->|<--TEXT-->| */ 5011278366Sadrian 5012278366Sadrian fw->main.textsz = le32toh(hdr->rtextsz); 5013278366Sadrian fw->main.datasz = le32toh(hdr->rdatasz); 5014278366Sadrian fw->init.textsz = le32toh(hdr->itextsz); 5015278366Sadrian fw->init.datasz = le32toh(hdr->idatasz); 5016278366Sadrian fw->boot.textsz = le32toh(hdr->btextsz); 5017278366Sadrian fw->boot.datasz = 0; 5018278366Sadrian 5019278366Sadrian /* Sanity-check firmware header. */ 5020278366Sadrian if (fw->main.textsz > WPI_FW_TEXT_MAXSZ || 5021278366Sadrian fw->main.datasz > WPI_FW_DATA_MAXSZ || 5022278366Sadrian fw->init.textsz > WPI_FW_TEXT_MAXSZ || 5023278366Sadrian fw->init.datasz > WPI_FW_DATA_MAXSZ || 5024278366Sadrian fw->boot.textsz > WPI_FW_BOOT_TEXT_MAXSZ || 5025278366Sadrian (fw->boot.textsz & 3) != 0) { 5026278366Sadrian device_printf(sc->sc_dev, "invalid firmware header\n"); 5027278366Sadrian error = EINVAL; 5028278366Sadrian goto fail; 5029173362Sbenjsc } 5030173362Sbenjsc 5031278366Sadrian /* Check that all firmware sections fit. */ 5032278366Sadrian if (fw->size < sizeof (*hdr) + fw->main.textsz + fw->main.datasz + 5033278366Sadrian fw->init.textsz + fw->init.datasz + fw->boot.textsz) { 5034173362Sbenjsc device_printf(sc->sc_dev, 5035278366Sadrian "firmware file too short: %zu bytes\n", fw->size); 5036278366Sadrian error = EINVAL; 5037278366Sadrian goto fail; 5038173362Sbenjsc } 5039173362Sbenjsc 5040278366Sadrian /* Get pointers to firmware sections. */ 5041278366Sadrian fw->main.text = (const uint8_t *)(hdr + 1); 5042278366Sadrian fw->main.data = fw->main.text + fw->main.textsz; 5043278366Sadrian fw->init.text = fw->main.data + fw->main.datasz; 5044278366Sadrian fw->init.data = fw->init.text + fw->init.textsz; 5045278366Sadrian fw->boot.text = fw->init.data + fw->init.datasz; 5046177043Sthompsa 5047278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 5048278366Sadrian "Firmware Version: Major %d, Minor %d, Driver %d, \n" 5049280066Sadrian "runtime (text: %u, data: %u) init (text: %u, data %u) " 5050280066Sadrian "boot (text %u)\n", hdr->major, hdr->minor, le32toh(hdr->driver), 5051278366Sadrian fw->main.textsz, fw->main.datasz, 5052278366Sadrian fw->init.textsz, fw->init.datasz, fw->boot.textsz); 5053278366Sadrian 5054278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.text %p\n", fw->main.text); 5055278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.data %p\n", fw->main.data); 5056278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.text %p\n", fw->init.text); 5057278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.data %p\n", fw->init.data); 5058278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->boot.text %p\n", fw->boot.text); 5059278366Sadrian 5060278366Sadrian return 0; 5061278366Sadrian 5062278366Sadrianfail: wpi_unload_firmware(sc); 5063278366Sadrian return error; 5064173362Sbenjsc} 5065173362Sbenjsc 5066278366Sadrian/** 5067278366Sadrian * Free the referenced firmware image 5068278366Sadrian */ 5069173362Sbenjscstatic void 5070278366Sadrianwpi_unload_firmware(struct wpi_softc *sc) 5071173362Sbenjsc{ 5072278366Sadrian if (sc->fw_fp != NULL) { 5073278366Sadrian firmware_put(sc->fw_fp, FIRMWARE_UNLOAD); 5074278366Sadrian sc->fw_fp = NULL; 5075278366Sadrian } 5076278366Sadrian} 5077173362Sbenjsc 5078278366Sadrianstatic int 5079278366Sadrianwpi_clock_wait(struct wpi_softc *sc) 5080278366Sadrian{ 5081278366Sadrian int ntries; 5082173362Sbenjsc 5083278366Sadrian /* Set "initialization complete" bit. */ 5084278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 5085278366Sadrian 5086278366Sadrian /* Wait for clock stabilization. */ 5087278366Sadrian for (ntries = 0; ntries < 2500; ntries++) { 5088278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_MAC_CLOCK_READY) 5089278366Sadrian return 0; 5090278366Sadrian DELAY(100); 5091278366Sadrian } 5092278366Sadrian device_printf(sc->sc_dev, 5093278366Sadrian "%s: timeout waiting for clock stabilization\n", __func__); 5094278366Sadrian 5095278366Sadrian return ETIMEDOUT; 5096173362Sbenjsc} 5097178354Ssam 5098278366Sadrianstatic int 5099278366Sadrianwpi_apm_init(struct wpi_softc *sc) 5100173362Sbenjsc{ 5101278366Sadrian uint32_t reg; 5102278366Sadrian int error; 5103173362Sbenjsc 5104278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5105173362Sbenjsc 5106278366Sadrian /* Disable L0s exit timer (NMI bug workaround). */ 5107278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_DIS_L0S_TIMER); 5108278366Sadrian /* Don't wait for ICH L0s (ICH bug workaround). */ 5109278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_L1A_NO_L0S_RX); 5110173362Sbenjsc 5111278366Sadrian /* Set FH wait threshold to max (HW bug under stress workaround). */ 5112278366Sadrian WPI_SETBITS(sc, WPI_DBG_HPET_MEM, 0xffff0000); 5113173362Sbenjsc 5114278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 5115278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 5116278366Sadrian /* Workaround for HW instability in PCIe L0->L0s->L1 transition. */ 5117278366Sadrian if (reg & 0x02) /* L1 Entry enabled. */ 5118278366Sadrian WPI_SETBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 5119278366Sadrian else 5120278366Sadrian WPI_CLRBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 5121173362Sbenjsc 5122278366Sadrian WPI_SETBITS(sc, WPI_ANA_PLL, WPI_ANA_PLL_INIT); 5123173362Sbenjsc 5124278366Sadrian /* Wait for clock stabilization before accessing prph. */ 5125278366Sadrian if ((error = wpi_clock_wait(sc)) != 0) 5126278366Sadrian return error; 5127173362Sbenjsc 5128278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5129278366Sadrian return error; 5130281288Sadrian /* Cleanup. */ 5131281288Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 0x00000400); 5132281288Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, 0x00000200); 5133281288Sadrian 5134278366Sadrian /* Enable DMA and BSM (Bootstrap State Machine). */ 5135278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_EN, 5136278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT | WPI_APMG_CLK_CTRL_BSM_CLK_RQT); 5137278366Sadrian DELAY(20); 5138278366Sadrian /* Disable L1-Active. */ 5139278366Sadrian wpi_prph_setbits(sc, WPI_APMG_PCI_STT, WPI_APMG_PCI_STT_L1A_DIS); 5140278366Sadrian wpi_nic_unlock(sc); 5141173362Sbenjsc 5142278366Sadrian return 0; 5143278366Sadrian} 5144173362Sbenjsc 5145278366Sadrianstatic void 5146278366Sadrianwpi_apm_stop_master(struct wpi_softc *sc) 5147278366Sadrian{ 5148278366Sadrian int ntries; 5149278366Sadrian 5150278366Sadrian /* Stop busmaster DMA activity. */ 5151278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_STOP_MASTER); 5152282391Sadrian 5153278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_PS_MASK) == 5154278366Sadrian WPI_GP_CNTRL_MAC_PS) 5155278366Sadrian return; /* Already asleep. */ 5156278366Sadrian 5157278366Sadrian for (ntries = 0; ntries < 100; ntries++) { 5158278366Sadrian if (WPI_READ(sc, WPI_RESET) & WPI_RESET_MASTER_DISABLED) 5159278366Sadrian return; 5160278366Sadrian DELAY(10); 5161278366Sadrian } 5162280066Sadrian device_printf(sc->sc_dev, "%s: timeout waiting for master\n", 5163280066Sadrian __func__); 5164173362Sbenjsc} 5165173362Sbenjsc 5166173362Sbenjscstatic void 5167278366Sadrianwpi_apm_stop(struct wpi_softc *sc) 5168173362Sbenjsc{ 5169278366Sadrian wpi_apm_stop_master(sc); 5170278366Sadrian 5171278366Sadrian /* Reset the entire device. */ 5172278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_SW); 5173278366Sadrian DELAY(10); 5174278366Sadrian /* Clear "initialization complete" bit. */ 5175278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 5176173362Sbenjsc} 5177173362Sbenjsc 5178173362Sbenjscstatic void 5179278366Sadrianwpi_nic_config(struct wpi_softc *sc) 5180173362Sbenjsc{ 5181278366Sadrian uint32_t rev; 5182173362Sbenjsc 5183278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5184177043Sthompsa 5185278366Sadrian /* voodoo from the Linux "driver".. */ 5186278366Sadrian rev = pci_read_config(sc->sc_dev, PCIR_REVID, 1); 5187278366Sadrian if ((rev & 0xc0) == 0x40) 5188278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MB); 5189278366Sadrian else if (!(rev & 0x80)) 5190278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MM); 5191173362Sbenjsc 5192278366Sadrian if (sc->cap == 0x80) 5193278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_SKU_MRC); 5194173362Sbenjsc 5195280076Sadrian if ((sc->rev & 0xf0) == 0xd0) 5196278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 5197278366Sadrian else 5198278366Sadrian WPI_CLRBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 5199278366Sadrian 5200278366Sadrian if (sc->type > 1) 5201278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_TYPE_B); 5202173362Sbenjsc} 5203173362Sbenjsc 5204278366Sadrianstatic int 5205278366Sadrianwpi_hw_init(struct wpi_softc *sc) 5206173362Sbenjsc{ 5207278366Sadrian int chnl, ntries, error; 5208178354Ssam 5209278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 5210278366Sadrian 5211278366Sadrian /* Clear pending interrupts. */ 5212278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5213278366Sadrian 5214278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 5215278366Sadrian device_printf(sc->sc_dev, 5216278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 5217278366Sadrian error); 5218278366Sadrian return error; 5219173362Sbenjsc } 5220173362Sbenjsc 5221278366Sadrian /* Select VMAIN power source. */ 5222278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5223278366Sadrian return error; 5224278366Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, WPI_APMG_PS_PWR_SRC_MASK); 5225278366Sadrian wpi_nic_unlock(sc); 5226278366Sadrian /* Spin until VMAIN gets selected. */ 5227278366Sadrian for (ntries = 0; ntries < 5000; ntries++) { 5228278366Sadrian if (WPI_READ(sc, WPI_GPIO_IN) & WPI_GPIO_IN_VMAIN) 5229278366Sadrian break; 5230278366Sadrian DELAY(10); 5231278366Sadrian } 5232278366Sadrian if (ntries == 5000) { 5233278366Sadrian device_printf(sc->sc_dev, "timeout selecting power source\n"); 5234278366Sadrian return ETIMEDOUT; 5235278366Sadrian } 5236173362Sbenjsc 5237278366Sadrian /* Perform adapter initialization. */ 5238278366Sadrian wpi_nic_config(sc); 5239173362Sbenjsc 5240278366Sadrian /* Initialize RX ring. */ 5241278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5242278366Sadrian return error; 5243278366Sadrian /* Set physical address of RX ring. */ 5244278366Sadrian WPI_WRITE(sc, WPI_FH_RX_BASE, sc->rxq.desc_dma.paddr); 5245278366Sadrian /* Set physical address of RX read pointer. */ 5246278366Sadrian WPI_WRITE(sc, WPI_FH_RX_RPTR_ADDR, sc->shared_dma.paddr + 5247278366Sadrian offsetof(struct wpi_shared, next)); 5248278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, 0); 5249278366Sadrian /* Enable RX. */ 5250278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 5251278366Sadrian WPI_FH_RX_CONFIG_DMA_ENA | 5252278366Sadrian WPI_FH_RX_CONFIG_RDRBD_ENA | 5253278366Sadrian WPI_FH_RX_CONFIG_WRSTATUS_ENA | 5254278366Sadrian WPI_FH_RX_CONFIG_MAXFRAG | 5255278366Sadrian WPI_FH_RX_CONFIG_NRBD(WPI_RX_RING_COUNT_LOG) | 5256278366Sadrian WPI_FH_RX_CONFIG_IRQ_DST_HOST | 5257278366Sadrian WPI_FH_RX_CONFIG_IRQ_TIMEOUT(1)); 5258278366Sadrian (void)WPI_READ(sc, WPI_FH_RSSR_TBL); /* barrier */ 5259278366Sadrian wpi_nic_unlock(sc); 5260278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, (WPI_RX_RING_COUNT - 1) & ~7); 5261173362Sbenjsc 5262278366Sadrian /* Initialize TX rings. */ 5263278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5264278366Sadrian return error; 5265278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 2); /* bypass mode */ 5266278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_ARASTAT, 1); /* enable RA0 */ 5267278366Sadrian /* Enable all 6 TX rings. */ 5268278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0x3f); 5269278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE1, 0x10000); 5270278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE2, 0x30002); 5271278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF4MF, 4); 5272278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF5MF, 5); 5273278366Sadrian /* Set physical address of TX rings. */ 5274278366Sadrian WPI_WRITE(sc, WPI_FH_TX_BASE, sc->shared_dma.paddr); 5275278366Sadrian WPI_WRITE(sc, WPI_FH_MSG_CONFIG, 0xffff05a5); 5276278366Sadrian 5277278366Sadrian /* Enable all DMA channels. */ 5278278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 5279278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_CTRL(chnl), 0); 5280278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_BASE(chnl), 0); 5281278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0x80200008); 5282173362Sbenjsc } 5283278366Sadrian wpi_nic_unlock(sc); 5284278366Sadrian (void)WPI_READ(sc, WPI_FH_TX_BASE); /* barrier */ 5285278366Sadrian 5286278366Sadrian /* Clear "radio off" and "commands blocked" bits. */ 5287278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5288278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_CMD_BLOCKED); 5289278366Sadrian 5290278366Sadrian /* Clear pending interrupts. */ 5291278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5292278366Sadrian /* Enable interrupts. */ 5293278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 5294278366Sadrian 5295278366Sadrian /* _Really_ make sure "radio off" bit is cleared! */ 5296278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5297278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5298278366Sadrian 5299278366Sadrian if ((error = wpi_load_firmware(sc)) != 0) { 5300278366Sadrian device_printf(sc->sc_dev, 5301278366Sadrian "%s: could not load firmware, error %d\n", __func__, 5302278366Sadrian error); 5303278366Sadrian return error; 5304278366Sadrian } 5305278366Sadrian /* Wait at most one second for firmware alive notification. */ 5306280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 5307278366Sadrian device_printf(sc->sc_dev, 5308278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 5309278366Sadrian __func__, error); 5310278366Sadrian return error; 5311278366Sadrian } 5312278366Sadrian 5313278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 5314278366Sadrian 5315278366Sadrian /* Do post-firmware initialization. */ 5316278366Sadrian return wpi_post_alive(sc); 5317173362Sbenjsc} 5318173362Sbenjsc 5319173362Sbenjscstatic void 5320278366Sadrianwpi_hw_stop(struct wpi_softc *sc) 5321173362Sbenjsc{ 5322278366Sadrian int chnl, qid, ntries; 5323173362Sbenjsc 5324278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5325173362Sbenjsc 5326278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) 5327278366Sadrian wpi_nic_lock(sc); 5328173362Sbenjsc 5329278366Sadrian WPI_WRITE(sc, WPI_RESET, WPI_RESET_NEVO); 5330173362Sbenjsc 5331278366Sadrian /* Disable interrupts. */ 5332278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 5333278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5334278366Sadrian WPI_WRITE(sc, WPI_FH_INT, 0xffffffff); 5335173362Sbenjsc 5336278366Sadrian /* Make sure we no longer hold the NIC lock. */ 5337278366Sadrian wpi_nic_unlock(sc); 5338173362Sbenjsc 5339278366Sadrian if (wpi_nic_lock(sc) == 0) { 5340278366Sadrian /* Stop TX scheduler. */ 5341278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 0); 5342278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0); 5343179957Sthompsa 5344278366Sadrian /* Stop all DMA channels. */ 5345278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 5346278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0); 5347278366Sadrian for (ntries = 0; ntries < 200; ntries++) { 5348278366Sadrian if (WPI_READ(sc, WPI_FH_TX_STATUS) & 5349278366Sadrian WPI_FH_TX_STATUS_IDLE(chnl)) 5350278366Sadrian break; 5351278366Sadrian DELAY(10); 5352278366Sadrian } 5353173362Sbenjsc } 5354278366Sadrian wpi_nic_unlock(sc); 5355278366Sadrian } 5356173362Sbenjsc 5357278366Sadrian /* Stop RX ring. */ 5358278366Sadrian wpi_reset_rx_ring(sc); 5359173362Sbenjsc 5360278366Sadrian /* Reset all TX rings. */ 5361278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 5362278366Sadrian wpi_reset_tx_ring(sc, &sc->txq[qid]); 5363173362Sbenjsc 5364278366Sadrian if (wpi_nic_lock(sc) == 0) { 5365278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 5366278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT); 5367278366Sadrian wpi_nic_unlock(sc); 5368173362Sbenjsc } 5369278366Sadrian DELAY(5); 5370278366Sadrian /* Power OFF adapter. */ 5371278366Sadrian wpi_apm_stop(sc); 5372173362Sbenjsc} 5373173362Sbenjsc 5374173362Sbenjscstatic void 5375278366Sadrianwpi_radio_on(void *arg0, int pending) 5376173362Sbenjsc{ 5377278366Sadrian struct wpi_softc *sc = arg0; 5378287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 5379278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5380173362Sbenjsc 5381278366Sadrian device_printf(sc->sc_dev, "RF switch: radio enabled\n"); 5382173362Sbenjsc 5383287197Sglebius WPI_LOCK(sc); 5384287197Sglebius callout_stop(&sc->watchdog_rfkill); 5385287197Sglebius WPI_UNLOCK(sc); 5386287197Sglebius 5387287197Sglebius if (vap != NULL) 5388286437Sadrian ieee80211_init(vap); 5389173362Sbenjsc} 5390173362Sbenjsc 5391278366Sadrianstatic void 5392278366Sadrianwpi_radio_off(void *arg0, int pending) 5393173362Sbenjsc{ 5394278366Sadrian struct wpi_softc *sc = arg0; 5395287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 5396278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5397173362Sbenjsc 5398278366Sadrian device_printf(sc->sc_dev, "RF switch: radio disabled\n"); 5399173362Sbenjsc 5400287197Sglebius ieee80211_notify_radio(ic, 0); 5401278366Sadrian wpi_stop(sc); 5402278366Sadrian if (vap != NULL) 5403278366Sadrian ieee80211_stop(vap); 5404173362Sbenjsc 5405280053Sadrian WPI_LOCK(sc); 5406278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, sc); 5407280053Sadrian WPI_UNLOCK(sc); 5408278366Sadrian} 5409173362Sbenjsc 5410287197Sglebiusstatic int 5411287197Sglebiuswpi_init(struct wpi_softc *sc) 5412278366Sadrian{ 5413287197Sglebius int error = 0; 5414173362Sbenjsc 5415280096Sadrian WPI_LOCK(sc); 5416280096Sadrian 5417278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 5418173362Sbenjsc 5419287197Sglebius if (sc->sc_running != 0) 5420280096Sadrian goto end; 5421278366Sadrian 5422278366Sadrian /* Check that the radio is not disabled by hardware switch. */ 5423278366Sadrian if (!(WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL)) { 5424278366Sadrian device_printf(sc->sc_dev, 5425278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 5426278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 5427278366Sadrian sc); 5428287197Sglebius error = EINPROGRESS; 5429280096Sadrian goto end; 5430173362Sbenjsc } 5431173362Sbenjsc 5432278366Sadrian /* Read firmware images from the filesystem. */ 5433278366Sadrian if ((error = wpi_read_firmware(sc)) != 0) { 5434278366Sadrian device_printf(sc->sc_dev, 5435278366Sadrian "%s: could not read firmware, error %d\n", __func__, 5436278366Sadrian error); 5437287197Sglebius goto end; 5438278366Sadrian } 5439173362Sbenjsc 5440287197Sglebius sc->sc_running = 1; 5441287197Sglebius 5442278366Sadrian /* Initialize hardware and upload firmware. */ 5443278366Sadrian error = wpi_hw_init(sc); 5444278366Sadrian wpi_unload_firmware(sc); 5445278366Sadrian if (error != 0) { 5446278366Sadrian device_printf(sc->sc_dev, 5447278366Sadrian "%s: could not initialize hardware, error %d\n", __func__, 5448278366Sadrian error); 5449278366Sadrian goto fail; 5450278366Sadrian } 5451173362Sbenjsc 5452278366Sadrian /* Configure adapter now that it is ready. */ 5453278366Sadrian if ((error = wpi_config(sc)) != 0) { 5454278366Sadrian device_printf(sc->sc_dev, 5455278366Sadrian "%s: could not configure device, error %d\n", __func__, 5456278366Sadrian error); 5457278366Sadrian goto fail; 5458278366Sadrian } 5459173362Sbenjsc 5460278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 5461173362Sbenjsc 5462280096Sadrian WPI_UNLOCK(sc); 5463280096Sadrian 5464287197Sglebius return 0; 5465280096Sadrian 5466287197Sglebiusfail: wpi_stop_locked(sc); 5467286437Sadrian 5468280096Sadrianend: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 5469278366Sadrian WPI_UNLOCK(sc); 5470287197Sglebius 5471287197Sglebius return error; 5472278366Sadrian} 5473173362Sbenjsc 5474278366Sadrianstatic void 5475278366Sadrianwpi_stop_locked(struct wpi_softc *sc) 5476278366Sadrian{ 5477173362Sbenjsc 5478278366Sadrian WPI_LOCK_ASSERT(sc); 5479278366Sadrian 5480287197Sglebius if (sc->sc_running == 0) 5481287197Sglebius return; 5482287197Sglebius 5483287197Sglebius WPI_TX_LOCK(sc); 5484280071Sadrian WPI_TXQ_LOCK(sc); 5485287197Sglebius sc->sc_running = 0; 5486280071Sadrian WPI_TXQ_UNLOCK(sc); 5487287197Sglebius WPI_TX_UNLOCK(sc); 5488280071Sadrian 5489280112Sadrian WPI_TXQ_STATE_LOCK(sc); 5490280109Sadrian callout_stop(&sc->tx_timeout); 5491280112Sadrian WPI_TXQ_STATE_UNLOCK(sc); 5492280108Sadrian 5493280108Sadrian WPI_RXON_LOCK(sc); 5494280106Sadrian callout_stop(&sc->scan_timeout); 5495278366Sadrian callout_stop(&sc->calib_to); 5496280108Sadrian WPI_RXON_UNLOCK(sc); 5497280097Sadrian 5498278366Sadrian /* Power OFF hardware. */ 5499278366Sadrian wpi_hw_stop(sc); 5500173362Sbenjsc} 5501173362Sbenjsc 5502278366Sadrianstatic void 5503278366Sadrianwpi_stop(struct wpi_softc *sc) 5504278366Sadrian{ 5505278366Sadrian WPI_LOCK(sc); 5506278366Sadrian wpi_stop_locked(sc); 5507278366Sadrian WPI_UNLOCK(sc); 5508278366Sadrian} 5509278366Sadrian 5510278366Sadrian/* 5511278366Sadrian * Callback from net80211 to start a scan. 5512173362Sbenjsc */ 5513173362Sbenjscstatic void 5514173362Sbenjscwpi_scan_start(struct ieee80211com *ic) 5515173362Sbenjsc{ 5516286865Sadrian struct wpi_softc *sc = ic->ic_softc; 5517173362Sbenjsc 5518191746Sthompsa wpi_set_led(sc, WPI_LED_LINK, 20, 2); 5519173362Sbenjsc} 5520173362Sbenjsc 5521278366Sadrian/* 5522278366Sadrian * Callback from net80211 to terminate a scan. 5523173362Sbenjsc */ 5524173362Sbenjscstatic void 5525173362Sbenjscwpi_scan_end(struct ieee80211com *ic) 5526173362Sbenjsc{ 5527286865Sadrian struct wpi_softc *sc = ic->ic_softc; 5528278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5529278366Sadrian 5530280073Sadrian if (vap->iv_state == IEEE80211_S_RUN) 5531278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 5532173362Sbenjsc} 5533173362Sbenjsc 5534173362Sbenjsc/** 5535173362Sbenjsc * Called by the net80211 framework to indicate to the driver 5536173362Sbenjsc * that the channel should be changed 5537173362Sbenjsc */ 5538173362Sbenjscstatic void 5539173362Sbenjscwpi_set_channel(struct ieee80211com *ic) 5540173362Sbenjsc{ 5541278366Sadrian const struct ieee80211_channel *c = ic->ic_curchan; 5542286865Sadrian struct wpi_softc *sc = ic->ic_softc; 5543191746Sthompsa int error; 5544173362Sbenjsc 5545278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5546278366Sadrian 5547278366Sadrian WPI_LOCK(sc); 5548278366Sadrian sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq); 5549278366Sadrian sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags); 5550280113Sadrian WPI_UNLOCK(sc); 5551280113Sadrian WPI_TX_LOCK(sc); 5552278366Sadrian sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq); 5553278366Sadrian sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags); 5554280113Sadrian WPI_TX_UNLOCK(sc); 5555278366Sadrian 5556177043Sthompsa /* 5557177043Sthompsa * Only need to set the channel in Monitor mode. AP scanning and auth 5558177043Sthompsa * are already taken care of by their respective firmware commands. 5559177043Sthompsa */ 5560191746Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 5561280108Sadrian WPI_RXON_LOCK(sc); 5562278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 5563278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) { 5564278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | 5565278366Sadrian WPI_RXON_24GHZ); 5566278366Sadrian } else { 5567278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_AUTO | 5568278366Sadrian WPI_RXON_24GHZ); 5569278366Sadrian } 5570280108Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) 5571191746Sthompsa device_printf(sc->sc_dev, 5572280101Sadrian "%s: error %d setting channel\n", __func__, 5573278366Sadrian error); 5574280108Sadrian WPI_RXON_UNLOCK(sc); 5575191746Sthompsa } 5576173362Sbenjsc} 5577173362Sbenjsc 5578173362Sbenjsc/** 5579173362Sbenjsc * Called by net80211 to indicate that we need to scan the current 5580173362Sbenjsc * channel. The channel is previously be set via the wpi_set_channel 5581173362Sbenjsc * callback. 5582173362Sbenjsc */ 5583173362Sbenjscstatic void 5584178354Ssamwpi_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 5585173362Sbenjsc{ 5586178354Ssam struct ieee80211vap *vap = ss->ss_vap; 5587278366Sadrian struct ieee80211com *ic = vap->iv_ic; 5588286865Sadrian struct wpi_softc *sc = ic->ic_softc; 5589278366Sadrian int error; 5590173362Sbenjsc 5591280108Sadrian WPI_RXON_LOCK(sc); 5592282376Sadrian error = wpi_scan(sc, ic->ic_curchan); 5593282376Sadrian WPI_RXON_UNLOCK(sc); 5594282376Sadrian if (error != 0) 5595282376Sadrian ieee80211_cancel_scan(vap); 5596173362Sbenjsc} 5597173362Sbenjsc 5598173362Sbenjsc/** 5599173362Sbenjsc * Called by the net80211 framework to indicate 5600173362Sbenjsc * the minimum dwell time has been met, terminate the scan. 5601173362Sbenjsc * We don't actually terminate the scan as the firmware will notify 5602173362Sbenjsc * us when it's finished and we have no way to interrupt it. 5603173362Sbenjsc */ 5604173362Sbenjscstatic void 5605178354Ssamwpi_scan_mindwell(struct ieee80211_scan_state *ss) 5606173362Sbenjsc{ 5607173362Sbenjsc /* NB: don't try to abort scan; wait for firmware to finish */ 5608173362Sbenjsc} 5609173362Sbenjsc 5610173362Sbenjscstatic void 5611278366Sadrianwpi_hw_reset(void *arg, int pending) 5612173362Sbenjsc{ 5613191746Sthompsa struct wpi_softc *sc = arg; 5614287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 5615278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5616173362Sbenjsc 5617278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5618173362Sbenjsc 5619287197Sglebius ieee80211_notify_radio(ic, 0); 5620280106Sadrian if (vap != NULL && (ic->ic_flags & IEEE80211_F_SCAN)) 5621280106Sadrian ieee80211_cancel_scan(vap); 5622280106Sadrian 5623278366Sadrian wpi_stop(sc); 5624287197Sglebius if (vap != NULL) { 5625278366Sadrian ieee80211_stop(vap); 5626278366Sadrian ieee80211_init(vap); 5627287197Sglebius } 5628173362Sbenjsc} 5629