if_wpi.c revision 286437
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 286437 2015-08-08 01:10:17Z 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 *); 208286437Sadrianstatic void wpi_start(struct ifnet *); 209286437Sadrianstatic void wpi_start_task(void *, int); 210278366Sadrianstatic void wpi_watchdog_rfkill(void *); 211280106Sadrianstatic void wpi_scan_timeout(void *); 212280109Sadrianstatic void wpi_tx_timeout(void *); 213286437Sadrianstatic int wpi_ioctl(struct ifnet *, u_long, caddr_t); 214278366Sadrianstatic int wpi_cmd(struct wpi_softc *, int, const void *, size_t, int); 215173362Sbenjscstatic int wpi_mrr_setup(struct wpi_softc *); 216278366Sadrianstatic int wpi_add_node(struct wpi_softc *, struct ieee80211_node *); 217278366Sadrianstatic int wpi_add_broadcast_node(struct wpi_softc *, int); 218278366Sadrianstatic int wpi_add_ibss_node(struct wpi_softc *, struct ieee80211_node *); 219278366Sadrianstatic void wpi_del_node(struct wpi_softc *, struct ieee80211_node *); 220278366Sadrianstatic int wpi_updateedca(struct ieee80211com *); 221278366Sadrianstatic void wpi_set_promisc(struct wpi_softc *); 222283540Sglebiusstatic void wpi_update_promisc(struct ieee80211com *); 223283540Sglebiusstatic void wpi_update_mcast(struct ieee80211com *); 224173362Sbenjscstatic void wpi_set_led(struct wpi_softc *, uint8_t, uint8_t, uint8_t); 225278366Sadrianstatic int wpi_set_timing(struct wpi_softc *, struct ieee80211_node *); 226278366Sadrianstatic void wpi_power_calibration(struct wpi_softc *); 227278366Sadrianstatic int wpi_set_txpower(struct wpi_softc *, int); 228278366Sadrianstatic int wpi_get_power_index(struct wpi_softc *, 229281287Sadrian struct wpi_power_group *, uint8_t, int, int); 230278366Sadrianstatic int wpi_set_pslevel(struct wpi_softc *, uint8_t, int, int); 231278366Sadrianstatic int wpi_send_btcoex(struct wpi_softc *); 232278366Sadrianstatic int wpi_send_rxon(struct wpi_softc *, int, int); 233278366Sadrianstatic int wpi_config(struct wpi_softc *); 234278366Sadrianstatic uint16_t wpi_get_active_dwell_time(struct wpi_softc *, 235278366Sadrian struct ieee80211_channel *, uint8_t); 236278366Sadrianstatic uint16_t wpi_limit_dwell(struct wpi_softc *, uint16_t); 237278366Sadrianstatic uint16_t wpi_get_passive_dwell_time(struct wpi_softc *, 238278366Sadrian struct ieee80211_channel *); 239282383Sadrianstatic uint32_t wpi_get_scan_pause_time(uint32_t, uint16_t); 240278366Sadrianstatic int wpi_scan(struct wpi_softc *, struct ieee80211_channel *); 241278366Sadrianstatic int wpi_auth(struct wpi_softc *, struct ieee80211vap *); 242280084Sadrianstatic int wpi_config_beacon(struct wpi_vap *); 243280084Sadrianstatic int wpi_setup_beacon(struct wpi_softc *, struct ieee80211_node *); 244278366Sadrianstatic void wpi_update_beacon(struct ieee80211vap *, int); 245280079Sadrianstatic void wpi_newassoc(struct ieee80211_node *, int); 246178354Ssamstatic int wpi_run(struct wpi_softc *, struct ieee80211vap *); 247280088Sadrianstatic int wpi_load_key(struct ieee80211_node *, 248280088Sadrian const struct ieee80211_key *); 249280088Sadrianstatic void wpi_load_key_cb(void *, struct ieee80211_node *); 250280088Sadrianstatic int wpi_set_global_keys(struct ieee80211_node *); 251280088Sadrianstatic int wpi_del_key(struct ieee80211_node *, 252280088Sadrian const struct ieee80211_key *); 253280088Sadrianstatic void wpi_del_key_cb(void *, struct ieee80211_node *); 254280088Sadrianstatic int wpi_process_key(struct ieee80211vap *, 255280088Sadrian const struct ieee80211_key *, int); 256278366Sadrianstatic int wpi_key_set(struct ieee80211vap *, 257278366Sadrian const struct ieee80211_key *, 258278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 259278366Sadrianstatic int wpi_key_delete(struct ieee80211vap *, 260278366Sadrian const struct ieee80211_key *); 261278366Sadrianstatic int wpi_post_alive(struct wpi_softc *); 262278366Sadrianstatic int wpi_load_bootcode(struct wpi_softc *, const uint8_t *, int); 263278366Sadrianstatic int wpi_load_firmware(struct wpi_softc *); 264278366Sadrianstatic int wpi_read_firmware(struct wpi_softc *); 265278366Sadrianstatic void wpi_unload_firmware(struct wpi_softc *); 266278366Sadrianstatic int wpi_clock_wait(struct wpi_softc *); 267278366Sadrianstatic int wpi_apm_init(struct wpi_softc *); 268278366Sadrianstatic void wpi_apm_stop_master(struct wpi_softc *); 269278366Sadrianstatic void wpi_apm_stop(struct wpi_softc *); 270278366Sadrianstatic void wpi_nic_config(struct wpi_softc *); 271278366Sadrianstatic int wpi_hw_init(struct wpi_softc *); 272278366Sadrianstatic void wpi_hw_stop(struct wpi_softc *); 273278366Sadrianstatic void wpi_radio_on(void *, int); 274278366Sadrianstatic void wpi_radio_off(void *, int); 275286437Sadrianstatic void wpi_init(void *); 276278366Sadrianstatic void wpi_stop_locked(struct wpi_softc *); 277173362Sbenjscstatic void wpi_stop(struct wpi_softc *); 278278366Sadrianstatic void wpi_scan_start(struct ieee80211com *); 279278366Sadrianstatic void wpi_scan_end(struct ieee80211com *); 280278366Sadrianstatic void wpi_set_channel(struct ieee80211com *); 281278366Sadrianstatic void wpi_scan_curchan(struct ieee80211_scan_state *, unsigned long); 282278366Sadrianstatic void wpi_scan_mindwell(struct ieee80211_scan_state *); 283278366Sadrianstatic void wpi_hw_reset(void *, int); 284173362Sbenjsc 285173362Sbenjscstatic device_method_t wpi_methods[] = { 286173362Sbenjsc /* Device interface */ 287173362Sbenjsc DEVMETHOD(device_probe, wpi_probe), 288173362Sbenjsc DEVMETHOD(device_attach, wpi_attach), 289173362Sbenjsc DEVMETHOD(device_detach, wpi_detach), 290173362Sbenjsc DEVMETHOD(device_shutdown, wpi_shutdown), 291173362Sbenjsc DEVMETHOD(device_suspend, wpi_suspend), 292173362Sbenjsc DEVMETHOD(device_resume, wpi_resume), 293173362Sbenjsc 294260064Smarius DEVMETHOD_END 295173362Sbenjsc}; 296173362Sbenjsc 297173362Sbenjscstatic driver_t wpi_driver = { 298173362Sbenjsc "wpi", 299173362Sbenjsc wpi_methods, 300173362Sbenjsc sizeof (struct wpi_softc) 301173362Sbenjsc}; 302173362Sbenjscstatic devclass_t wpi_devclass; 303173362Sbenjsc 304260064SmariusDRIVER_MODULE(wpi, pci, wpi_driver, wpi_devclass, NULL, NULL); 305173362Sbenjsc 306222543SbschmidtMODULE_VERSION(wpi, 1); 307222543Sbschmidt 308278366SadrianMODULE_DEPEND(wpi, pci, 1, 1, 1); 309278366SadrianMODULE_DEPEND(wpi, wlan, 1, 1, 1); 310278366SadrianMODULE_DEPEND(wpi, firmware, 1, 1, 1); 311260064Smarius 312173362Sbenjscstatic int 313173362Sbenjscwpi_probe(device_t dev) 314173362Sbenjsc{ 315173362Sbenjsc const struct wpi_ident *ident; 316173362Sbenjsc 317173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 318173362Sbenjsc if (pci_get_vendor(dev) == ident->vendor && 319173362Sbenjsc pci_get_device(dev) == ident->device) { 320173362Sbenjsc device_set_desc(dev, ident->name); 321260064Smarius return (BUS_PROBE_DEFAULT); 322173362Sbenjsc } 323173362Sbenjsc } 324173362Sbenjsc return ENXIO; 325173362Sbenjsc} 326173362Sbenjsc 327173362Sbenjscstatic int 328173362Sbenjscwpi_attach(device_t dev) 329173362Sbenjsc{ 330278366Sadrian struct wpi_softc *sc = (struct wpi_softc *)device_get_softc(dev); 331278366Sadrian struct ieee80211com *ic; 332286437Sadrian struct ifnet *ifp; 333280061Sadrian int i, error, rid; 334280061Sadrian#ifdef WPI_DEBUG 335280061Sadrian int supportsa = 1; 336173362Sbenjsc const struct wpi_ident *ident; 337280061Sadrian#endif 338286437Sadrian uint8_t macaddr[IEEE80211_ADDR_LEN]; 339173362Sbenjsc 340173362Sbenjsc sc->sc_dev = dev; 341173362Sbenjsc 342280059Sadrian#ifdef WPI_DEBUG 343278366Sadrian error = resource_int_value(device_get_name(sc->sc_dev), 344278366Sadrian device_get_unit(sc->sc_dev), "debug", &(sc->sc_debug)); 345278366Sadrian if (error != 0) 346278366Sadrian sc->sc_debug = 0; 347278366Sadrian#else 348278366Sadrian sc->sc_debug = 0; 349278366Sadrian#endif 350173362Sbenjsc 351278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 352278366Sadrian 353173362Sbenjsc /* 354278366Sadrian * Get the offset of the PCI Express Capability Structure in PCI 355278366Sadrian * Configuration Space. 356278366Sadrian */ 357278366Sadrian error = pci_find_cap(dev, PCIY_EXPRESS, &sc->sc_cap_off); 358278366Sadrian if (error != 0) { 359278366Sadrian device_printf(dev, "PCIe capability structure not found!\n"); 360278366Sadrian return error; 361278366Sadrian } 362278366Sadrian 363278366Sadrian /* 364173362Sbenjsc * Some card's only support 802.11b/g not a, check to see if 365173362Sbenjsc * this is one such card. A 0x0 in the subdevice table indicates 366173362Sbenjsc * the entire subdevice range is to be ignored. 367173362Sbenjsc */ 368280061Sadrian#ifdef WPI_DEBUG 369173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 370173362Sbenjsc if (ident->subdevice && 371173362Sbenjsc pci_get_subdevice(dev) == ident->subdevice) { 372173362Sbenjsc supportsa = 0; 373173362Sbenjsc break; 374173362Sbenjsc } 375173362Sbenjsc } 376280061Sadrian#endif 377173362Sbenjsc 378278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 379173362Sbenjsc pci_write_config(dev, 0x41, 0, 1); 380173362Sbenjsc 381278366Sadrian /* Enable bus-mastering. */ 382173362Sbenjsc pci_enable_busmaster(dev); 383173362Sbenjsc 384260064Smarius rid = PCIR_BAR(0); 385260064Smarius sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 386173362Sbenjsc RF_ACTIVE); 387173362Sbenjsc if (sc->mem == NULL) { 388278366Sadrian device_printf(dev, "can't map mem space\n"); 389280091Sadrian return ENOMEM; 390173362Sbenjsc } 391173362Sbenjsc sc->sc_st = rman_get_bustag(sc->mem); 392173362Sbenjsc sc->sc_sh = rman_get_bushandle(sc->mem); 393173362Sbenjsc 394278366Sadrian i = 1; 395260064Smarius rid = 0; 396278366Sadrian if (pci_alloc_msi(dev, &i) == 0) 397278366Sadrian rid = 1; 398278366Sadrian /* Install interrupt handler. */ 399278366Sadrian sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | 400278366Sadrian (rid != 0 ? 0 : RF_SHAREABLE)); 401173362Sbenjsc if (sc->irq == NULL) { 402278366Sadrian device_printf(dev, "can't map interrupt\n"); 403173362Sbenjsc error = ENOMEM; 404173362Sbenjsc goto fail; 405173362Sbenjsc } 406173362Sbenjsc 407278366Sadrian WPI_LOCK_INIT(sc); 408280113Sadrian WPI_TX_LOCK_INIT(sc); 409280108Sadrian WPI_RXON_LOCK_INIT(sc); 410280077Sadrian WPI_NT_LOCK_INIT(sc); 411280071Sadrian WPI_TXQ_LOCK_INIT(sc); 412280112Sadrian WPI_TXQ_STATE_LOCK_INIT(sc); 413278366Sadrian 414278366Sadrian /* Allocate DMA memory for firmware transfers. */ 415173362Sbenjsc if ((error = wpi_alloc_fwmem(sc)) != 0) { 416278366Sadrian device_printf(dev, 417278366Sadrian "could not allocate memory for firmware, error %d\n", 418278366Sadrian error); 419173362Sbenjsc goto fail; 420173362Sbenjsc } 421173362Sbenjsc 422278366Sadrian /* Allocate shared page. */ 423173362Sbenjsc if ((error = wpi_alloc_shared(sc)) != 0) { 424173362Sbenjsc device_printf(dev, "could not allocate shared page\n"); 425173362Sbenjsc goto fail; 426173362Sbenjsc } 427173362Sbenjsc 428278366Sadrian /* Allocate TX rings - 4 for QoS purposes, 1 for commands. */ 429278366Sadrian for (i = 0; i < WPI_NTXQUEUES; i++) { 430278366Sadrian if ((error = wpi_alloc_tx_ring(sc, &sc->txq[i], i)) != 0) { 431278366Sadrian device_printf(dev, 432278366Sadrian "could not allocate TX ring %d, error %d\n", i, 433278366Sadrian error); 434278366Sadrian goto fail; 435173362Sbenjsc } 436173362Sbenjsc } 437173362Sbenjsc 438278366Sadrian /* Allocate RX ring. */ 439278366Sadrian if ((error = wpi_alloc_rx_ring(sc)) != 0) { 440278366Sadrian device_printf(dev, "could not allocate RX ring, error %d\n", 441278366Sadrian error); 442173362Sbenjsc goto fail; 443173362Sbenjsc } 444173362Sbenjsc 445278366Sadrian /* Clear pending interrupts. */ 446278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 447173362Sbenjsc 448286437Sadrian ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 449286437Sadrian if (ifp == NULL) { 450286437Sadrian device_printf(dev, "can not allocate ifnet structure\n"); 451286437Sadrian goto fail; 452286437Sadrian } 453286437Sadrian 454286437Sadrian ic = ifp->if_l2com; 455286437Sadrian ic->ic_ifp = ifp; 456283537Sglebius ic->ic_softc = sc; 457283527Sglebius ic->ic_name = device_get_nameunit(dev); 458178354Ssam ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 459178354Ssam ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 460173362Sbenjsc 461278366Sadrian /* Set device capabilities. */ 462173362Sbenjsc ic->ic_caps = 463178957Ssam IEEE80211_C_STA /* station mode supported */ 464278366Sadrian | IEEE80211_C_IBSS /* IBSS mode supported */ 465280105Sadrian | IEEE80211_C_HOSTAP /* Host access point mode */ 466178957Ssam | IEEE80211_C_MONITOR /* monitor mode supported */ 467278366Sadrian | IEEE80211_C_AHDEMO /* adhoc demo mode */ 468278366Sadrian | IEEE80211_C_BGSCAN /* capable of bg scanning */ 469173362Sbenjsc | IEEE80211_C_TXPMGT /* tx power management */ 470173362Sbenjsc | IEEE80211_C_SHSLOT /* short slot time supported */ 471278366Sadrian | IEEE80211_C_WPA /* 802.11i */ 472173362Sbenjsc | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 473278366Sadrian | IEEE80211_C_WME /* 802.11e */ 474278366Sadrian | IEEE80211_C_PMGT /* Station-side power mgmt */ 475173362Sbenjsc ; 476173362Sbenjsc 477278366Sadrian ic->ic_cryptocaps = 478278366Sadrian IEEE80211_CRYPTO_AES_CCM; 479278366Sadrian 480173362Sbenjsc /* 481173362Sbenjsc * Read in the eeprom and also setup the channels for 482173362Sbenjsc * net80211. We don't set the rates as net80211 does this for us 483173362Sbenjsc */ 484286437Sadrian if ((error = wpi_read_eeprom(sc, macaddr)) != 0) { 485278366Sadrian device_printf(dev, "could not read EEPROM, error %d\n", 486278366Sadrian error); 487278366Sadrian goto fail; 488280059Sadrian } 489173362Sbenjsc 490280059Sadrian#ifdef WPI_DEBUG 491278366Sadrian if (bootverbose) { 492280059Sadrian device_printf(sc->sc_dev, "Regulatory Domain: %.4s\n", 493280059Sadrian sc->domain); 494280059Sadrian device_printf(sc->sc_dev, "Hardware Type: %c\n", 495280059Sadrian sc->type > 1 ? 'B': '?'); 496280059Sadrian device_printf(sc->sc_dev, "Hardware Revision: %c\n", 497280076Sadrian ((sc->rev & 0xf0) == 0xd0) ? 'D': '?'); 498280059Sadrian device_printf(sc->sc_dev, "SKU %s support 802.11a\n", 499280059Sadrian supportsa ? "does" : "does not"); 500173362Sbenjsc 501280059Sadrian /* XXX hw_config uses the PCIDEV for the Hardware rev. Must 502280059Sadrian check what sc->rev really represents - benjsc 20070615 */ 503173362Sbenjsc } 504278366Sadrian#endif 505173362Sbenjsc 506286437Sadrian if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 507286437Sadrian ifp->if_softc = sc; 508286437Sadrian ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 509286437Sadrian ifp->if_init = wpi_init; 510286437Sadrian ifp->if_ioctl = wpi_ioctl; 511286437Sadrian ifp->if_start = wpi_start; 512286437Sadrian IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 513286437Sadrian ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 514286437Sadrian IFQ_SET_READY(&ifp->if_snd); 515286437Sadrian 516286437Sadrian ieee80211_ifattach(ic, macaddr); 517278366Sadrian ic->ic_vap_create = wpi_vap_create; 518278366Sadrian ic->ic_vap_delete = wpi_vap_delete; 519178354Ssam ic->ic_raw_xmit = wpi_raw_xmit; 520278366Sadrian ic->ic_node_alloc = wpi_node_alloc; 521278366Sadrian sc->sc_node_free = ic->ic_node_free; 522278366Sadrian ic->ic_node_free = wpi_node_free; 523278366Sadrian ic->ic_wme.wme_update = wpi_updateedca; 524278366Sadrian ic->ic_update_promisc = wpi_update_promisc; 525278366Sadrian ic->ic_update_mcast = wpi_update_mcast; 526280079Sadrian ic->ic_newassoc = wpi_newassoc; 527173362Sbenjsc ic->ic_scan_start = wpi_scan_start; 528173362Sbenjsc ic->ic_scan_end = wpi_scan_end; 529173362Sbenjsc ic->ic_set_channel = wpi_set_channel; 530173362Sbenjsc ic->ic_scan_curchan = wpi_scan_curchan; 531173362Sbenjsc ic->ic_scan_mindwell = wpi_scan_mindwell; 532278366Sadrian ic->ic_setregdomain = wpi_setregdomain; 533173362Sbenjsc 534282400Sadrian sc->sc_update_rx_ring = wpi_update_rx_ring; 535282400Sadrian sc->sc_update_tx_ring = wpi_update_tx_ring; 536282400Sadrian 537278366Sadrian wpi_radiotap_attach(sc); 538173362Sbenjsc 539280108Sadrian callout_init_mtx(&sc->calib_to, &sc->rxon_mtx, 0); 540280108Sadrian callout_init_mtx(&sc->scan_timeout, &sc->rxon_mtx, 0); 541280112Sadrian callout_init_mtx(&sc->tx_timeout, &sc->txq_state_mtx, 0); 542278366Sadrian callout_init_mtx(&sc->watchdog_rfkill, &sc->sc_mtx, 0); 543278366Sadrian TASK_INIT(&sc->sc_reinittask, 0, wpi_hw_reset, sc); 544278366Sadrian TASK_INIT(&sc->sc_radiooff_task, 0, wpi_radio_off, sc); 545278366Sadrian TASK_INIT(&sc->sc_radioon_task, 0, wpi_radio_on, sc); 546286437Sadrian TASK_INIT(&sc->sc_start_task, 0, wpi_start_task, sc); 547173362Sbenjsc 548280120Sadrian sc->sc_tq = taskqueue_create("wpi_taskq", M_WAITOK, 549280120Sadrian taskqueue_thread_enqueue, &sc->sc_tq); 550280120Sadrian error = taskqueue_start_threads(&sc->sc_tq, 1, 0, "wpi_taskq"); 551280120Sadrian if (error != 0) { 552280120Sadrian device_printf(dev, "can't start threads, error %d\n", error); 553280120Sadrian goto fail; 554280120Sadrian } 555280120Sadrian 556278366Sadrian wpi_sysctlattach(sc); 557278366Sadrian 558173362Sbenjsc /* 559173362Sbenjsc * Hook our interrupt after all initialization is complete. 560173362Sbenjsc */ 561278366Sadrian error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 562177043Sthompsa NULL, wpi_intr, sc, &sc->sc_ih); 563173362Sbenjsc if (error != 0) { 564278366Sadrian device_printf(dev, "can't establish interrupt, error %d\n", 565278366Sadrian error); 566173362Sbenjsc goto fail; 567173362Sbenjsc } 568173362Sbenjsc 569177043Sthompsa if (bootverbose) 570177043Sthompsa ieee80211_announce(ic); 571278366Sadrian 572278366Sadrian#ifdef WPI_DEBUG 573278366Sadrian if (sc->sc_debug & WPI_DEBUG_HW) 574278366Sadrian ieee80211_announce_channels(ic); 575173362Sbenjsc#endif 576278366Sadrian 577278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 578173362Sbenjsc return 0; 579173362Sbenjsc 580173362Sbenjscfail: wpi_detach(dev); 581278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 582278366Sadrian return error; 583173362Sbenjsc} 584173362Sbenjsc 585278366Sadrian/* 586278366Sadrian * Attach the interface to 802.11 radiotap. 587278366Sadrian */ 588278366Sadrianstatic void 589278366Sadrianwpi_radiotap_attach(struct wpi_softc *sc) 590278366Sadrian{ 591286437Sadrian struct ifnet *ifp = sc->sc_ifp; 592286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 593278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 594286437Sadrian ieee80211_radiotap_attach(ic, 595286437Sadrian &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 596286437Sadrian WPI_TX_RADIOTAP_PRESENT, 597286437Sadrian &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 598286437Sadrian WPI_RX_RADIOTAP_PRESENT); 599278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 600278366Sadrian} 601278366Sadrian 602278366Sadrianstatic void 603278366Sadrianwpi_sysctlattach(struct wpi_softc *sc) 604278366Sadrian{ 605280059Sadrian#ifdef WPI_DEBUG 606278366Sadrian struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 607278366Sadrian struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 608278366Sadrian 609278366Sadrian SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 610278366Sadrian "debug", CTLFLAG_RW, &sc->sc_debug, sc->sc_debug, 611278366Sadrian "control debugging printfs"); 612278366Sadrian#endif 613278366Sadrian} 614278366Sadrian 615280083Sadrianstatic void 616280083Sadrianwpi_init_beacon(struct wpi_vap *wvp) 617280083Sadrian{ 618280083Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 619280083Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 620280083Sadrian 621280083Sadrian cmd->id = WPI_ID_BROADCAST; 622280083Sadrian cmd->ofdm_mask = 0xff; 623280083Sadrian cmd->cck_mask = 0x0f; 624280083Sadrian cmd->lifetime = htole32(WPI_LIFETIME_INFINITE); 625280083Sadrian 626282394Sadrian /* 627282394Sadrian * XXX WPI_TX_AUTO_SEQ seems to be ignored - workaround this issue 628282394Sadrian * XXX by using WPI_TX_NEED_ACK instead (with some side effects). 629282394Sadrian */ 630282394Sadrian cmd->flags = htole32(WPI_TX_NEED_ACK | WPI_TX_INSERT_TSTAMP); 631282394Sadrian 632280083Sadrian bcn->code = WPI_CMD_SET_BEACON; 633280083Sadrian bcn->ac = WPI_CMD_QUEUE_NUM; 634280083Sadrian bcn->size = sizeof(struct wpi_cmd_beacon); 635280083Sadrian} 636280083Sadrian 637278366Sadrianstatic struct ieee80211vap * 638278366Sadrianwpi_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 639278366Sadrian enum ieee80211_opmode opmode, int flags, 640278366Sadrian const uint8_t bssid[IEEE80211_ADDR_LEN], 641278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 642278366Sadrian{ 643278366Sadrian struct wpi_vap *wvp; 644278366Sadrian struct ieee80211vap *vap; 645278366Sadrian 646278366Sadrian if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 647278366Sadrian return NULL; 648278366Sadrian 649286437Sadrian wvp = (struct wpi_vap *) malloc(sizeof(struct wpi_vap), 650286437Sadrian M_80211_VAP, M_NOWAIT | M_ZERO); 651286437Sadrian if (wvp == NULL) 652286437Sadrian return NULL; 653280085Sadrian vap = &wvp->wv_vap; 654286437Sadrian ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 655278366Sadrian 656280105Sadrian if (opmode == IEEE80211_M_IBSS || opmode == IEEE80211_M_HOSTAP) { 657280086Sadrian WPI_VAP_LOCK_INIT(wvp); 658280083Sadrian wpi_init_beacon(wvp); 659280086Sadrian } 660280083Sadrian 661278366Sadrian /* Override with driver methods. */ 662278366Sadrian vap->iv_key_set = wpi_key_set; 663278366Sadrian vap->iv_key_delete = wpi_key_delete; 664282401Sadrian wvp->wv_recv_mgmt = vap->iv_recv_mgmt; 665282401Sadrian vap->iv_recv_mgmt = wpi_recv_mgmt; 666280085Sadrian wvp->wv_newstate = vap->iv_newstate; 667278366Sadrian vap->iv_newstate = wpi_newstate; 668278366Sadrian vap->iv_update_beacon = wpi_update_beacon; 669280105Sadrian vap->iv_max_aid = WPI_ID_IBSS_MAX - WPI_ID_IBSS_MIN + 1; 670278366Sadrian 671278366Sadrian ieee80211_ratectl_init(vap); 672278366Sadrian /* Complete setup. */ 673280066Sadrian ieee80211_vap_attach(vap, ieee80211_media_change, 674286437Sadrian ieee80211_media_status); 675278366Sadrian ic->ic_opmode = opmode; 676278366Sadrian return vap; 677278366Sadrian} 678278366Sadrian 679278366Sadrianstatic void 680278366Sadrianwpi_vap_delete(struct ieee80211vap *vap) 681278366Sadrian{ 682278366Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 683280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 684280084Sadrian enum ieee80211_opmode opmode = vap->iv_opmode; 685278366Sadrian 686278366Sadrian ieee80211_ratectl_deinit(vap); 687278366Sadrian ieee80211_vap_detach(vap); 688278366Sadrian 689280105Sadrian if (opmode == IEEE80211_M_IBSS || opmode == IEEE80211_M_HOSTAP) { 690280084Sadrian if (bcn->m != NULL) 691280084Sadrian m_freem(bcn->m); 692280086Sadrian 693280086Sadrian WPI_VAP_LOCK_DESTROY(wvp); 694280084Sadrian } 695280084Sadrian 696278366Sadrian free(wvp, M_80211_VAP); 697278366Sadrian} 698278366Sadrian 699173362Sbenjscstatic int 700173362Sbenjscwpi_detach(device_t dev) 701173362Sbenjsc{ 702173362Sbenjsc struct wpi_softc *sc = device_get_softc(dev); 703286437Sadrian struct ifnet *ifp = sc->sc_ifp; 704286437Sadrian struct ieee80211com *ic; 705278366Sadrian int qid; 706173362Sbenjsc 707278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 708260064Smarius 709286437Sadrian if (ifp != NULL) { 710286437Sadrian ic = ifp->if_l2com; 711286437Sadrian 712280052Sadrian ieee80211_draintask(ic, &sc->sc_radioon_task); 713280078Sadrian ieee80211_draintask(ic, &sc->sc_start_task); 714278366Sadrian 715173362Sbenjsc wpi_stop(sc); 716278366Sadrian 717286437Sadrian taskqueue_drain_all(sc->sc_tq); 718286437Sadrian taskqueue_free(sc->sc_tq); 719280120Sadrian 720280106Sadrian callout_drain(&sc->watchdog_rfkill); 721280109Sadrian callout_drain(&sc->tx_timeout); 722280106Sadrian callout_drain(&sc->scan_timeout); 723173362Sbenjsc callout_drain(&sc->calib_to); 724173362Sbenjsc ieee80211_ifdetach(ic); 725173362Sbenjsc } 726173362Sbenjsc 727278366Sadrian /* Uninstall interrupt handler. */ 728278366Sadrian if (sc->irq != NULL) { 729278366Sadrian bus_teardown_intr(dev, sc->irq, sc->sc_ih); 730278366Sadrian bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), 731278366Sadrian sc->irq); 732278366Sadrian pci_release_msi(dev); 733278366Sadrian } 734278366Sadrian 735173362Sbenjsc if (sc->txq[0].data_dmat) { 736278366Sadrian /* Free DMA resources. */ 737278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 738278366Sadrian wpi_free_tx_ring(sc, &sc->txq[qid]); 739173362Sbenjsc 740278366Sadrian wpi_free_rx_ring(sc); 741173362Sbenjsc wpi_free_shared(sc); 742173362Sbenjsc } 743173362Sbenjsc 744173362Sbenjsc if (sc->fw_dma.tag) 745173362Sbenjsc wpi_free_fwmem(sc); 746278366Sadrian 747173362Sbenjsc if (sc->mem != NULL) 748260064Smarius bus_release_resource(dev, SYS_RES_MEMORY, 749260064Smarius rman_get_rid(sc->mem), sc->mem); 750173362Sbenjsc 751286437Sadrian if (ifp != NULL) 752286437Sadrian if_free(ifp); 753286437Sadrian 754278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 755280112Sadrian WPI_TXQ_STATE_LOCK_DESTROY(sc); 756280071Sadrian WPI_TXQ_LOCK_DESTROY(sc); 757280077Sadrian WPI_NT_LOCK_DESTROY(sc); 758280108Sadrian WPI_RXON_LOCK_DESTROY(sc); 759280113Sadrian WPI_TX_LOCK_DESTROY(sc); 760173362Sbenjsc WPI_LOCK_DESTROY(sc); 761278366Sadrian return 0; 762278366Sadrian} 763173362Sbenjsc 764278366Sadrianstatic int 765278366Sadrianwpi_shutdown(device_t dev) 766278366Sadrian{ 767278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 768278366Sadrian 769278366Sadrian wpi_stop(sc); 770173362Sbenjsc return 0; 771173362Sbenjsc} 772173362Sbenjsc 773278366Sadrianstatic int 774278366Sadrianwpi_suspend(device_t dev) 775178354Ssam{ 776278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 777286437Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 778178354Ssam 779278366Sadrian ieee80211_suspend_all(ic); 780278366Sadrian return 0; 781278366Sadrian} 782178354Ssam 783278366Sadrianstatic int 784278366Sadrianwpi_resume(device_t dev) 785278366Sadrian{ 786278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 787286437Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 788278366Sadrian 789278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 790278366Sadrian pci_write_config(dev, 0x41, 0, 1); 791278366Sadrian 792278366Sadrian ieee80211_resume_all(ic); 793278366Sadrian return 0; 794178354Ssam} 795178354Ssam 796278366Sadrian/* 797278366Sadrian * Grab exclusive access to NIC memory. 798278366Sadrian */ 799278366Sadrianstatic int 800278366Sadrianwpi_nic_lock(struct wpi_softc *sc) 801178354Ssam{ 802278366Sadrian int ntries; 803178354Ssam 804278366Sadrian /* Request exclusive access to NIC. */ 805278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 806278366Sadrian 807278366Sadrian /* Spin until we actually get the lock. */ 808278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 809278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & 810280059Sadrian (WPI_GP_CNTRL_MAC_ACCESS_ENA | WPI_GP_CNTRL_SLEEP)) == 811278366Sadrian WPI_GP_CNTRL_MAC_ACCESS_ENA) 812278366Sadrian return 0; 813278366Sadrian DELAY(10); 814278366Sadrian } 815278366Sadrian 816278366Sadrian device_printf(sc->sc_dev, "could not lock memory\n"); 817278366Sadrian 818278366Sadrian return ETIMEDOUT; 819178354Ssam} 820178354Ssam 821278366Sadrian/* 822278366Sadrian * Release lock on NIC memory. 823278366Sadrian */ 824278366Sadrianstatic __inline void 825278366Sadrianwpi_nic_unlock(struct wpi_softc *sc) 826278366Sadrian{ 827278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 828278366Sadrian} 829278366Sadrian 830278366Sadrianstatic __inline uint32_t 831278366Sadrianwpi_prph_read(struct wpi_softc *sc, uint32_t addr) 832278366Sadrian{ 833278366Sadrian WPI_WRITE(sc, WPI_PRPH_RADDR, WPI_PRPH_DWORD | addr); 834278366Sadrian WPI_BARRIER_READ_WRITE(sc); 835278366Sadrian return WPI_READ(sc, WPI_PRPH_RDATA); 836278366Sadrian} 837278366Sadrian 838278366Sadrianstatic __inline void 839278366Sadrianwpi_prph_write(struct wpi_softc *sc, uint32_t addr, uint32_t data) 840278366Sadrian{ 841278366Sadrian WPI_WRITE(sc, WPI_PRPH_WADDR, WPI_PRPH_DWORD | addr); 842278366Sadrian WPI_BARRIER_WRITE(sc); 843278366Sadrian WPI_WRITE(sc, WPI_PRPH_WDATA, data); 844278366Sadrian} 845278366Sadrian 846278366Sadrianstatic __inline void 847278366Sadrianwpi_prph_setbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 848278366Sadrian{ 849278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) | mask); 850278366Sadrian} 851278366Sadrian 852278366Sadrianstatic __inline void 853278366Sadrianwpi_prph_clrbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 854278366Sadrian{ 855278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) & ~mask); 856278366Sadrian} 857278366Sadrian 858278366Sadrianstatic __inline void 859278366Sadrianwpi_prph_write_region_4(struct wpi_softc *sc, uint32_t addr, 860278366Sadrian const uint32_t *data, int count) 861278366Sadrian{ 862278366Sadrian for (; count > 0; count--, data++, addr += 4) 863278366Sadrian wpi_prph_write(sc, addr, *data); 864278366Sadrian} 865278366Sadrian 866278366Sadrianstatic __inline uint32_t 867278366Sadrianwpi_mem_read(struct wpi_softc *sc, uint32_t addr) 868278366Sadrian{ 869278366Sadrian WPI_WRITE(sc, WPI_MEM_RADDR, addr); 870278366Sadrian WPI_BARRIER_READ_WRITE(sc); 871278366Sadrian return WPI_READ(sc, WPI_MEM_RDATA); 872278366Sadrian} 873278366Sadrian 874278366Sadrianstatic __inline void 875278366Sadrianwpi_mem_read_region_4(struct wpi_softc *sc, uint32_t addr, uint32_t *data, 876278366Sadrian int count) 877278366Sadrian{ 878278366Sadrian for (; count > 0; count--, addr += 4) 879278366Sadrian *data++ = wpi_mem_read(sc, addr); 880278366Sadrian} 881278366Sadrian 882278366Sadrianstatic int 883278366Sadrianwpi_read_prom_data(struct wpi_softc *sc, uint32_t addr, void *data, int count) 884278366Sadrian{ 885278366Sadrian uint8_t *out = data; 886278366Sadrian uint32_t val; 887278366Sadrian int error, ntries; 888278366Sadrian 889278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 890278366Sadrian 891278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 892278366Sadrian return error; 893278366Sadrian 894278366Sadrian for (; count > 0; count -= 2, addr++) { 895278366Sadrian WPI_WRITE(sc, WPI_EEPROM, addr << 2); 896278366Sadrian for (ntries = 0; ntries < 10; ntries++) { 897278366Sadrian val = WPI_READ(sc, WPI_EEPROM); 898278366Sadrian if (val & WPI_EEPROM_READ_VALID) 899278366Sadrian break; 900278366Sadrian DELAY(5); 901278366Sadrian } 902278366Sadrian if (ntries == 10) { 903278366Sadrian device_printf(sc->sc_dev, 904278366Sadrian "timeout reading ROM at 0x%x\n", addr); 905278366Sadrian return ETIMEDOUT; 906278366Sadrian } 907278366Sadrian *out++= val >> 16; 908278366Sadrian if (count > 1) 909278366Sadrian *out ++= val >> 24; 910278366Sadrian } 911278366Sadrian 912278366Sadrian wpi_nic_unlock(sc); 913278366Sadrian 914278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 915278366Sadrian 916278366Sadrian return 0; 917278366Sadrian} 918278366Sadrian 919178354Ssamstatic void 920173362Sbenjscwpi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 921173362Sbenjsc{ 922173362Sbenjsc if (error != 0) 923173362Sbenjsc return; 924173362Sbenjsc KASSERT(nsegs == 1, ("too many DMA segments, %d should be 1", nsegs)); 925173362Sbenjsc *(bus_addr_t *)arg = segs[0].ds_addr; 926173362Sbenjsc} 927173362Sbenjsc 928177043Sthompsa/* 929177043Sthompsa * Allocates a contiguous block of dma memory of the requested size and 930278366Sadrian * alignment. 931177043Sthompsa */ 932173362Sbenjscstatic int 933173362Sbenjscwpi_dma_contig_alloc(struct wpi_softc *sc, struct wpi_dma_info *dma, 934278366Sadrian void **kvap, bus_size_t size, bus_size_t alignment) 935173362Sbenjsc{ 936173362Sbenjsc int error; 937173362Sbenjsc 938278366Sadrian dma->tag = NULL; 939173362Sbenjsc dma->size = size; 940173362Sbenjsc 941278366Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), alignment, 942278366Sadrian 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, size, 943278366Sadrian 1, size, BUS_DMA_NOWAIT, NULL, NULL, &dma->tag); 944278366Sadrian if (error != 0) 945173362Sbenjsc goto fail; 946278366Sadrian 947278366Sadrian error = bus_dmamem_alloc(dma->tag, (void **)&dma->vaddr, 948278366Sadrian BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, &dma->map); 949278366Sadrian if (error != 0) 950173362Sbenjsc goto fail; 951173362Sbenjsc 952278366Sadrian error = bus_dmamap_load(dma->tag, dma->map, dma->vaddr, size, 953278366Sadrian wpi_dma_map_addr, &dma->paddr, BUS_DMA_NOWAIT); 954278366Sadrian if (error != 0) 955278366Sadrian goto fail; 956177043Sthompsa 957278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 958177043Sthompsa 959173362Sbenjsc if (kvap != NULL) 960173362Sbenjsc *kvap = dma->vaddr; 961173362Sbenjsc 962173362Sbenjsc return 0; 963173362Sbenjsc 964278366Sadrianfail: wpi_dma_contig_free(dma); 965173362Sbenjsc return error; 966173362Sbenjsc} 967173362Sbenjsc 968173362Sbenjscstatic void 969173362Sbenjscwpi_dma_contig_free(struct wpi_dma_info *dma) 970173362Sbenjsc{ 971278366Sadrian if (dma->vaddr != NULL) { 972278366Sadrian bus_dmamap_sync(dma->tag, dma->map, 973278366Sadrian BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 974278366Sadrian bus_dmamap_unload(dma->tag, dma->map); 975278366Sadrian bus_dmamem_free(dma->tag, dma->vaddr, dma->map); 976278366Sadrian dma->vaddr = NULL; 977278366Sadrian } 978278366Sadrian if (dma->tag != NULL) { 979173362Sbenjsc bus_dma_tag_destroy(dma->tag); 980278366Sadrian dma->tag = NULL; 981173362Sbenjsc } 982173362Sbenjsc} 983173362Sbenjsc 984173362Sbenjsc/* 985173362Sbenjsc * Allocate a shared page between host and NIC. 986173362Sbenjsc */ 987173362Sbenjscstatic int 988173362Sbenjscwpi_alloc_shared(struct wpi_softc *sc) 989173362Sbenjsc{ 990278366Sadrian /* Shared buffer must be aligned on a 4KB boundary. */ 991278366Sadrian return wpi_dma_contig_alloc(sc, &sc->shared_dma, 992278366Sadrian (void **)&sc->shared, sizeof (struct wpi_shared), 4096); 993173362Sbenjsc} 994173362Sbenjsc 995173362Sbenjscstatic void 996173362Sbenjscwpi_free_shared(struct wpi_softc *sc) 997173362Sbenjsc{ 998173362Sbenjsc wpi_dma_contig_free(&sc->shared_dma); 999173362Sbenjsc} 1000173362Sbenjsc 1001278366Sadrian/* 1002278366Sadrian * Allocate DMA-safe memory for firmware transfer. 1003278366Sadrian */ 1004173362Sbenjscstatic int 1005278366Sadrianwpi_alloc_fwmem(struct wpi_softc *sc) 1006173362Sbenjsc{ 1007278366Sadrian /* Must be aligned on a 16-byte boundary. */ 1008278366Sadrian return wpi_dma_contig_alloc(sc, &sc->fw_dma, NULL, 1009278366Sadrian WPI_FW_TEXT_MAXSZ + WPI_FW_DATA_MAXSZ, 16); 1010278366Sadrian} 1011173362Sbenjsc 1012278366Sadrianstatic void 1013278366Sadrianwpi_free_fwmem(struct wpi_softc *sc) 1014278366Sadrian{ 1015278366Sadrian wpi_dma_contig_free(&sc->fw_dma); 1016278366Sadrian} 1017278366Sadrian 1018278366Sadrianstatic int 1019278366Sadrianwpi_alloc_rx_ring(struct wpi_softc *sc) 1020278366Sadrian{ 1021278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1022278366Sadrian bus_size_t size; 1023173362Sbenjsc int i, error; 1024173362Sbenjsc 1025173362Sbenjsc ring->cur = 0; 1026278366Sadrian ring->update = 0; 1027173362Sbenjsc 1028278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1029278366Sadrian 1030278366Sadrian /* Allocate RX descriptors (16KB aligned.) */ 1031278366Sadrian size = WPI_RX_RING_COUNT * sizeof (uint32_t); 1032173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->desc_dma, 1033278366Sadrian (void **)&ring->desc, size, WPI_RING_DMA_ALIGN); 1034173362Sbenjsc if (error != 0) { 1035177043Sthompsa device_printf(sc->sc_dev, 1036278366Sadrian "%s: could not allocate RX ring DMA memory, error %d\n", 1037177043Sthompsa __func__, error); 1038177043Sthompsa goto fail; 1039173362Sbenjsc } 1040173362Sbenjsc 1041278366Sadrian /* Create RX buffer DMA tag. */ 1042280059Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1043278366Sadrian BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 1044278366Sadrian MJUMPAGESIZE, 1, MJUMPAGESIZE, BUS_DMA_NOWAIT, NULL, NULL, 1045278366Sadrian &ring->data_dmat); 1046280059Sadrian if (error != 0) { 1047280059Sadrian device_printf(sc->sc_dev, 1048278366Sadrian "%s: could not create RX buf DMA tag, error %d\n", 1049177043Sthompsa __func__, error); 1050280059Sadrian goto fail; 1051280059Sadrian } 1052177043Sthompsa 1053173362Sbenjsc /* 1054278366Sadrian * Allocate and map RX buffers. 1055173362Sbenjsc */ 1056173362Sbenjsc for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1057177043Sthompsa struct wpi_rx_data *data = &ring->data[i]; 1058177043Sthompsa bus_addr_t paddr; 1059173362Sbenjsc 1060177043Sthompsa error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1061177043Sthompsa if (error != 0) { 1062173362Sbenjsc device_printf(sc->sc_dev, 1063278366Sadrian "%s: could not create RX buf DMA map, error %d\n", 1064177043Sthompsa __func__, error); 1065173362Sbenjsc goto fail; 1066173362Sbenjsc } 1067278366Sadrian 1068278366Sadrian data->m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1069278366Sadrian if (data->m == NULL) { 1070173362Sbenjsc device_printf(sc->sc_dev, 1071278366Sadrian "%s: could not allocate RX mbuf\n", __func__); 1072278366Sadrian error = ENOBUFS; 1073173362Sbenjsc goto fail; 1074173362Sbenjsc } 1075278366Sadrian 1076177043Sthompsa error = bus_dmamap_load(ring->data_dmat, data->map, 1077278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1078278366Sadrian &paddr, BUS_DMA_NOWAIT); 1079177043Sthompsa if (error != 0 && error != EFBIG) { 1080177043Sthompsa device_printf(sc->sc_dev, 1081278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, 1082278366Sadrian error); 1083173362Sbenjsc goto fail; 1084173362Sbenjsc } 1085177043Sthompsa 1086278366Sadrian /* Set physical address of RX buffer. */ 1087177043Sthompsa ring->desc[i] = htole32(paddr); 1088173362Sbenjsc } 1089278366Sadrian 1090173362Sbenjsc bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1091173362Sbenjsc BUS_DMASYNC_PREWRITE); 1092278366Sadrian 1093278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1094278366Sadrian 1095173362Sbenjsc return 0; 1096278366Sadrian 1097278366Sadrianfail: wpi_free_rx_ring(sc); 1098278366Sadrian 1099278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1100278366Sadrian 1101173362Sbenjsc return error; 1102173362Sbenjsc} 1103173362Sbenjsc 1104173362Sbenjscstatic void 1105278366Sadrianwpi_update_rx_ring(struct wpi_softc *sc) 1106173362Sbenjsc{ 1107282400Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, sc->rxq.cur & ~7); 1108282400Sadrian} 1109282400Sadrian 1110282400Sadrianstatic void 1111282400Sadrianwpi_update_rx_ring_ps(struct wpi_softc *sc) 1112282400Sadrian{ 1113278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1114173362Sbenjsc 1115280056Sadrian if (ring->update != 0) { 1116280056Sadrian /* Wait for INT_WAKEUP event. */ 1117280056Sadrian return; 1118280056Sadrian } 1119280056Sadrian 1120282400Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1121282400Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_SLEEP) { 1122278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s: wakeup request\n", 1123278366Sadrian __func__); 1124278366Sadrian ring->update = 1; 1125282400Sadrian } else { 1126282400Sadrian wpi_update_rx_ring(sc); 1127282400Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1128282400Sadrian } 1129278366Sadrian} 1130173362Sbenjsc 1131278366Sadrianstatic void 1132278366Sadrianwpi_reset_rx_ring(struct wpi_softc *sc) 1133278366Sadrian{ 1134278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1135278366Sadrian int ntries; 1136173362Sbenjsc 1137278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1138173362Sbenjsc 1139278366Sadrian if (wpi_nic_lock(sc) == 0) { 1140278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 0); 1141278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 1142278366Sadrian if (WPI_READ(sc, WPI_FH_RX_STATUS) & 1143278366Sadrian WPI_FH_RX_STATUS_IDLE) 1144278366Sadrian break; 1145278366Sadrian DELAY(10); 1146278366Sadrian } 1147278366Sadrian wpi_nic_unlock(sc); 1148278366Sadrian } 1149173362Sbenjsc 1150173362Sbenjsc ring->cur = 0; 1151278366Sadrian ring->update = 0; 1152173362Sbenjsc} 1153173362Sbenjsc 1154173362Sbenjscstatic void 1155278366Sadrianwpi_free_rx_ring(struct wpi_softc *sc) 1156173362Sbenjsc{ 1157278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1158173362Sbenjsc int i; 1159173362Sbenjsc 1160278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1161278366Sadrian 1162173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1163173362Sbenjsc 1164216824Sbschmidt for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1165216824Sbschmidt struct wpi_rx_data *data = &ring->data[i]; 1166216824Sbschmidt 1167216824Sbschmidt if (data->m != NULL) { 1168216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, 1169216824Sbschmidt BUS_DMASYNC_POSTREAD); 1170216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1171216824Sbschmidt m_freem(data->m); 1172278366Sadrian data->m = NULL; 1173216824Sbschmidt } 1174216824Sbschmidt if (data->map != NULL) 1175216824Sbschmidt bus_dmamap_destroy(ring->data_dmat, data->map); 1176216824Sbschmidt } 1177278366Sadrian if (ring->data_dmat != NULL) { 1178278366Sadrian bus_dma_tag_destroy(ring->data_dmat); 1179278366Sadrian ring->data_dmat = NULL; 1180278366Sadrian } 1181173362Sbenjsc} 1182173362Sbenjsc 1183173362Sbenjscstatic int 1184278366Sadrianwpi_alloc_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring, int qid) 1185173362Sbenjsc{ 1186278366Sadrian bus_addr_t paddr; 1187278366Sadrian bus_size_t size; 1188173362Sbenjsc int i, error; 1189173362Sbenjsc 1190173362Sbenjsc ring->qid = qid; 1191173362Sbenjsc ring->queued = 0; 1192173362Sbenjsc ring->cur = 0; 1193278366Sadrian ring->update = 0; 1194173362Sbenjsc 1195278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1196173362Sbenjsc 1197278366Sadrian /* Allocate TX descriptors (16KB aligned.) */ 1198278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_desc); 1199278366Sadrian error = wpi_dma_contig_alloc(sc, &ring->desc_dma, (void **)&ring->desc, 1200278366Sadrian size, WPI_RING_DMA_ALIGN); 1201173362Sbenjsc if (error != 0) { 1202278366Sadrian device_printf(sc->sc_dev, 1203278366Sadrian "%s: could not allocate TX ring DMA memory, error %d\n", 1204278366Sadrian __func__, error); 1205278366Sadrian goto fail; 1206173362Sbenjsc } 1207173362Sbenjsc 1208278366Sadrian /* Update shared area with ring physical address. */ 1209173362Sbenjsc sc->shared->txbase[qid] = htole32(ring->desc_dma.paddr); 1210278366Sadrian bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 1211278366Sadrian BUS_DMASYNC_PREWRITE); 1212173362Sbenjsc 1213278366Sadrian /* 1214278366Sadrian * We only use rings 0 through 4 (4 EDCA + cmd) so there is no need 1215278366Sadrian * to allocate commands space for other rings. 1216278366Sadrian * XXX Do we really need to allocate descriptors for other rings? 1217278366Sadrian */ 1218280101Sadrian if (qid > WPI_CMD_QUEUE_NUM) { 1219280101Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1220278366Sadrian return 0; 1221280101Sadrian } 1222278366Sadrian 1223278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_cmd); 1224173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->cmd_dma, (void **)&ring->cmd, 1225278366Sadrian size, 4); 1226173362Sbenjsc if (error != 0) { 1227173362Sbenjsc device_printf(sc->sc_dev, 1228278366Sadrian "%s: could not allocate TX cmd DMA memory, error %d\n", 1229278366Sadrian __func__, error); 1230173362Sbenjsc goto fail; 1231173362Sbenjsc } 1232173362Sbenjsc 1233173362Sbenjsc error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1234173362Sbenjsc BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1235173362Sbenjsc WPI_MAX_SCATTER - 1, MCLBYTES, BUS_DMA_NOWAIT, NULL, NULL, 1236173362Sbenjsc &ring->data_dmat); 1237173362Sbenjsc if (error != 0) { 1238278366Sadrian device_printf(sc->sc_dev, 1239278366Sadrian "%s: could not create TX buf DMA tag, error %d\n", 1240278366Sadrian __func__, error); 1241173362Sbenjsc goto fail; 1242173362Sbenjsc } 1243173362Sbenjsc 1244278366Sadrian paddr = ring->cmd_dma.paddr; 1245278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1246278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1247173362Sbenjsc 1248278366Sadrian data->cmd_paddr = paddr; 1249278366Sadrian paddr += sizeof (struct wpi_tx_cmd); 1250278366Sadrian 1251173362Sbenjsc error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1252173362Sbenjsc if (error != 0) { 1253173362Sbenjsc device_printf(sc->sc_dev, 1254278366Sadrian "%s: could not create TX buf DMA map, error %d\n", 1255278366Sadrian __func__, error); 1256173362Sbenjsc goto fail; 1257173362Sbenjsc } 1258173362Sbenjsc } 1259173362Sbenjsc 1260278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1261278366Sadrian 1262173362Sbenjsc return 0; 1263173362Sbenjsc 1264278366Sadrianfail: wpi_free_tx_ring(sc, ring); 1265278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1266173362Sbenjsc return error; 1267173362Sbenjsc} 1268173362Sbenjsc 1269173362Sbenjscstatic void 1270278366Sadrianwpi_update_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1271278366Sadrian{ 1272282400Sadrian WPI_WRITE(sc, WPI_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur); 1273282400Sadrian} 1274282400Sadrian 1275282400Sadrianstatic void 1276282400Sadrianwpi_update_tx_ring_ps(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1277282400Sadrian{ 1278282400Sadrian 1279280056Sadrian if (ring->update != 0) { 1280280056Sadrian /* Wait for INT_WAKEUP event. */ 1281280056Sadrian return; 1282280056Sadrian } 1283280056Sadrian 1284282400Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1285282400Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_SLEEP) { 1286278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s (%d): requesting wakeup\n", 1287278366Sadrian __func__, ring->qid); 1288278366Sadrian ring->update = 1; 1289282400Sadrian } else { 1290282400Sadrian wpi_update_tx_ring(sc, ring); 1291282400Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1292282400Sadrian } 1293278366Sadrian} 1294278366Sadrian 1295278366Sadrianstatic void 1296173362Sbenjscwpi_reset_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1297173362Sbenjsc{ 1298278366Sadrian int i; 1299173362Sbenjsc 1300278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1301173362Sbenjsc 1302278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1303278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1304173362Sbenjsc 1305173362Sbenjsc if (data->m != NULL) { 1306278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1307278366Sadrian BUS_DMASYNC_POSTWRITE); 1308173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1309173362Sbenjsc m_freem(data->m); 1310173362Sbenjsc data->m = NULL; 1311173362Sbenjsc } 1312282397Sadrian if (data->ni != NULL) { 1313282397Sadrian ieee80211_free_node(data->ni); 1314282397Sadrian data->ni = NULL; 1315282397Sadrian } 1316173362Sbenjsc } 1317278366Sadrian /* Clear TX descriptors. */ 1318278366Sadrian memset(ring->desc, 0, ring->desc_dma.size); 1319278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1320278366Sadrian BUS_DMASYNC_PREWRITE); 1321278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1322173362Sbenjsc ring->queued = 0; 1323173362Sbenjsc ring->cur = 0; 1324278366Sadrian ring->update = 0; 1325173362Sbenjsc} 1326173362Sbenjsc 1327173362Sbenjscstatic void 1328173362Sbenjscwpi_free_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1329173362Sbenjsc{ 1330173362Sbenjsc int i; 1331173362Sbenjsc 1332278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1333278366Sadrian 1334173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1335173362Sbenjsc wpi_dma_contig_free(&ring->cmd_dma); 1336173362Sbenjsc 1337278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1338278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1339173362Sbenjsc 1340278366Sadrian if (data->m != NULL) { 1341278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1342278366Sadrian BUS_DMASYNC_POSTWRITE); 1343278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1344278366Sadrian m_freem(data->m); 1345173362Sbenjsc } 1346278366Sadrian if (data->map != NULL) 1347278366Sadrian bus_dmamap_destroy(ring->data_dmat, data->map); 1348173362Sbenjsc } 1349278366Sadrian if (ring->data_dmat != NULL) { 1350173362Sbenjsc bus_dma_tag_destroy(ring->data_dmat); 1351278366Sadrian ring->data_dmat = NULL; 1352278366Sadrian } 1353173362Sbenjsc} 1354173362Sbenjsc 1355278366Sadrian/* 1356278366Sadrian * Extract various information from EEPROM. 1357278366Sadrian */ 1358173362Sbenjscstatic int 1359278366Sadrianwpi_read_eeprom(struct wpi_softc *sc, uint8_t macaddr[IEEE80211_ADDR_LEN]) 1360173362Sbenjsc{ 1361278366Sadrian#define WPI_CHK(res) do { \ 1362278366Sadrian if ((error = res) != 0) \ 1363278366Sadrian goto fail; \ 1364278366Sadrian} while (0) 1365278366Sadrian int error, i; 1366173362Sbenjsc 1367278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1368173362Sbenjsc 1369278366Sadrian /* Adapter has to be powered on for EEPROM access to work. */ 1370278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 1371278366Sadrian device_printf(sc->sc_dev, 1372278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 1373278366Sadrian error); 1374278366Sadrian return error; 1375278366Sadrian } 1376278366Sadrian 1377278366Sadrian if ((WPI_READ(sc, WPI_EEPROM_GP) & 0x6) == 0) { 1378278366Sadrian device_printf(sc->sc_dev, "bad EEPROM signature\n"); 1379278366Sadrian error = EIO; 1380278366Sadrian goto fail; 1381278366Sadrian } 1382278366Sadrian /* Clear HW ownership of EEPROM. */ 1383278366Sadrian WPI_CLRBITS(sc, WPI_EEPROM_GP, WPI_EEPROM_GP_IF_OWNER); 1384278366Sadrian 1385278366Sadrian /* Read the hardware capabilities, revision and SKU type. */ 1386278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_SKU_CAP, &sc->cap, 1387278366Sadrian sizeof(sc->cap))); 1388278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_REVISION, &sc->rev, 1389278366Sadrian sizeof(sc->rev))); 1390278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_TYPE, &sc->type, 1391278366Sadrian sizeof(sc->type))); 1392278366Sadrian 1393280076Sadrian sc->rev = le16toh(sc->rev); 1394280066Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, "cap=%x rev=%x type=%x\n", sc->cap, 1395280076Sadrian sc->rev, sc->type); 1396278366Sadrian 1397278366Sadrian /* Read the regulatory domain (4 ASCII characters.) */ 1398278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_DOMAIN, sc->domain, 1399278366Sadrian sizeof(sc->domain))); 1400278366Sadrian 1401278366Sadrian /* Read MAC address. */ 1402278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_MAC, macaddr, 1403278366Sadrian IEEE80211_ADDR_LEN)); 1404278366Sadrian 1405278366Sadrian /* Read the list of authorized channels. */ 1406278366Sadrian for (i = 0; i < WPI_CHAN_BANDS_COUNT; i++) 1407278366Sadrian WPI_CHK(wpi_read_eeprom_channels(sc, i)); 1408278366Sadrian 1409278366Sadrian /* Read the list of TX power groups. */ 1410278366Sadrian for (i = 0; i < WPI_POWER_GROUPS_COUNT; i++) 1411278366Sadrian WPI_CHK(wpi_read_eeprom_group(sc, i)); 1412278366Sadrian 1413278366Sadrianfail: wpi_apm_stop(sc); /* Power OFF adapter. */ 1414278366Sadrian 1415278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, error ? TRACE_STR_END_ERR : TRACE_STR_END, 1416278366Sadrian __func__); 1417278366Sadrian 1418278366Sadrian return error; 1419278366Sadrian#undef WPI_CHK 1420278366Sadrian} 1421278366Sadrian 1422278366Sadrian/* 1423278366Sadrian * Translate EEPROM flags to net80211. 1424278366Sadrian */ 1425278366Sadrianstatic uint32_t 1426278366Sadrianwpi_eeprom_channel_flags(struct wpi_eeprom_chan *channel) 1427278366Sadrian{ 1428278366Sadrian uint32_t nflags; 1429278366Sadrian 1430278366Sadrian nflags = 0; 1431278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_ACTIVE) == 0) 1432278366Sadrian nflags |= IEEE80211_CHAN_PASSIVE; 1433278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_IBSS) == 0) 1434278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1435278366Sadrian if (channel->flags & WPI_EEPROM_CHAN_RADAR) { 1436278366Sadrian nflags |= IEEE80211_CHAN_DFS; 1437278366Sadrian /* XXX apparently IBSS may still be marked */ 1438278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1439278366Sadrian } 1440278366Sadrian 1441280105Sadrian /* XXX HOSTAP uses WPI_MODE_IBSS */ 1442280105Sadrian if (nflags & IEEE80211_CHAN_NOADHOC) 1443280105Sadrian nflags |= IEEE80211_CHAN_NOHOSTAP; 1444280105Sadrian 1445278366Sadrian return nflags; 1446278366Sadrian} 1447278366Sadrian 1448278366Sadrianstatic void 1449278366Sadrianwpi_read_eeprom_band(struct wpi_softc *sc, int n) 1450278366Sadrian{ 1451286437Sadrian struct ifnet *ifp = sc->sc_ifp; 1452286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 1453278366Sadrian struct wpi_eeprom_chan *channels = sc->eeprom_channels[n]; 1454278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1455278366Sadrian struct ieee80211_channel *c; 1456278366Sadrian uint8_t chan; 1457278366Sadrian int i, nflags; 1458278366Sadrian 1459278366Sadrian for (i = 0; i < band->nchan; i++) { 1460278366Sadrian if (!(channels[i].flags & WPI_EEPROM_CHAN_VALID)) { 1461280080Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1462278366Sadrian "Channel Not Valid: %d, band %d\n", 1463278366Sadrian band->chan[i],n); 1464278366Sadrian continue; 1465278366Sadrian } 1466278366Sadrian 1467278366Sadrian chan = band->chan[i]; 1468278366Sadrian nflags = wpi_eeprom_channel_flags(&channels[i]); 1469278366Sadrian 1470278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1471278366Sadrian c->ic_ieee = chan; 1472278366Sadrian c->ic_maxregpower = channels[i].maxpwr; 1473278366Sadrian c->ic_maxpower = 2*c->ic_maxregpower; 1474278366Sadrian 1475278366Sadrian if (n == 0) { /* 2GHz band */ 1476280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1477280066Sadrian IEEE80211_CHAN_G); 1478280066Sadrian 1479278366Sadrian /* G =>'s B is supported */ 1480278366Sadrian c->ic_flags = IEEE80211_CHAN_B | nflags; 1481278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1482278366Sadrian c[0] = c[-1]; 1483278366Sadrian c->ic_flags = IEEE80211_CHAN_G | nflags; 1484278366Sadrian } else { /* 5GHz band */ 1485280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1486280066Sadrian IEEE80211_CHAN_A); 1487280066Sadrian 1488278366Sadrian c->ic_flags = IEEE80211_CHAN_A | nflags; 1489278366Sadrian } 1490278366Sadrian 1491278366Sadrian /* Save maximum allowed TX power for this channel. */ 1492278366Sadrian sc->maxpwr[chan] = channels[i].maxpwr; 1493278366Sadrian 1494278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1495278366Sadrian "adding chan %d (%dMHz) flags=0x%x maxpwr=%d passive=%d," 1496278366Sadrian " offset %d\n", chan, c->ic_freq, 1497278366Sadrian channels[i].flags, sc->maxpwr[chan], 1498278764Sadrian IEEE80211_IS_CHAN_PASSIVE(c), ic->ic_nchans); 1499278366Sadrian } 1500278366Sadrian} 1501278366Sadrian 1502278366Sadrian/** 1503278366Sadrian * Read the eeprom to find out what channels are valid for the given 1504278366Sadrian * band and update net80211 with what we find. 1505278366Sadrian */ 1506278366Sadrianstatic int 1507278366Sadrianwpi_read_eeprom_channels(struct wpi_softc *sc, int n) 1508278366Sadrian{ 1509286437Sadrian struct ifnet *ifp = sc->sc_ifp; 1510286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 1511278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1512278366Sadrian int error; 1513278366Sadrian 1514278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1515278366Sadrian 1516278366Sadrian error = wpi_read_prom_data(sc, band->addr, &sc->eeprom_channels[n], 1517278366Sadrian band->nchan * sizeof (struct wpi_eeprom_chan)); 1518278366Sadrian if (error != 0) { 1519278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1520278366Sadrian return error; 1521278366Sadrian } 1522278366Sadrian 1523278366Sadrian wpi_read_eeprom_band(sc, n); 1524278366Sadrian 1525278366Sadrian ieee80211_sort_channels(ic->ic_channels, ic->ic_nchans); 1526278366Sadrian 1527278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1528278366Sadrian 1529173362Sbenjsc return 0; 1530173362Sbenjsc} 1531173362Sbenjsc 1532278366Sadrianstatic struct wpi_eeprom_chan * 1533278366Sadrianwpi_find_eeprom_channel(struct wpi_softc *sc, struct ieee80211_channel *c) 1534278366Sadrian{ 1535278366Sadrian int i, j; 1536278366Sadrian 1537278366Sadrian for (j = 0; j < WPI_CHAN_BANDS_COUNT; j++) 1538278366Sadrian for (i = 0; i < wpi_bands[j].nchan; i++) 1539278366Sadrian if (wpi_bands[j].chan[i] == c->ic_ieee) 1540278366Sadrian return &sc->eeprom_channels[j][i]; 1541278366Sadrian 1542278366Sadrian return NULL; 1543278366Sadrian} 1544278366Sadrian 1545278366Sadrian/* 1546278366Sadrian * Enforce flags read from EEPROM. 1547278366Sadrian */ 1548173362Sbenjscstatic int 1549278366Sadrianwpi_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *rd, 1550278366Sadrian int nchan, struct ieee80211_channel chans[]) 1551173362Sbenjsc{ 1552286437Sadrian struct ifnet *ifp = ic->ic_ifp; 1553286437Sadrian struct wpi_softc *sc = ifp->if_softc; 1554278366Sadrian int i; 1555173362Sbenjsc 1556278366Sadrian for (i = 0; i < nchan; i++) { 1557278366Sadrian struct ieee80211_channel *c = &chans[i]; 1558278366Sadrian struct wpi_eeprom_chan *channel; 1559278366Sadrian 1560278366Sadrian channel = wpi_find_eeprom_channel(sc, c); 1561278366Sadrian if (channel == NULL) { 1562286437Sadrian if_printf(ic->ic_ifp, 1563286437Sadrian "%s: invalid channel %u freq %u/0x%x\n", 1564278366Sadrian __func__, c->ic_ieee, c->ic_freq, c->ic_flags); 1565278366Sadrian return EINVAL; 1566278366Sadrian } 1567278366Sadrian c->ic_flags |= wpi_eeprom_channel_flags(channel); 1568278366Sadrian } 1569278366Sadrian 1570173362Sbenjsc return 0; 1571173362Sbenjsc} 1572173362Sbenjsc 1573173362Sbenjscstatic int 1574278366Sadrianwpi_read_eeprom_group(struct wpi_softc *sc, int n) 1575173362Sbenjsc{ 1576278366Sadrian struct wpi_power_group *group = &sc->groups[n]; 1577278366Sadrian struct wpi_eeprom_group rgroup; 1578278366Sadrian int i, error; 1579173362Sbenjsc 1580278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1581173362Sbenjsc 1582278366Sadrian if ((error = wpi_read_prom_data(sc, WPI_EEPROM_POWER_GRP + n * 32, 1583278366Sadrian &rgroup, sizeof rgroup)) != 0) { 1584278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1585278366Sadrian return error; 1586278366Sadrian } 1587278366Sadrian 1588278366Sadrian /* Save TX power group information. */ 1589278366Sadrian group->chan = rgroup.chan; 1590278366Sadrian group->maxpwr = rgroup.maxpwr; 1591278366Sadrian /* Retrieve temperature at which the samples were taken. */ 1592278366Sadrian group->temp = (int16_t)le16toh(rgroup.temp); 1593278366Sadrian 1594278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1595278366Sadrian "power group %d: chan=%d maxpwr=%d temp=%d\n", n, group->chan, 1596278366Sadrian group->maxpwr, group->temp); 1597278366Sadrian 1598278366Sadrian for (i = 0; i < WPI_SAMPLES_COUNT; i++) { 1599278366Sadrian group->samples[i].index = rgroup.samples[i].index; 1600278366Sadrian group->samples[i].power = rgroup.samples[i].power; 1601278366Sadrian 1602278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1603278366Sadrian "\tsample %d: index=%d power=%d\n", i, 1604278366Sadrian group->samples[i].index, group->samples[i].power); 1605278366Sadrian } 1606278366Sadrian 1607278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1608278366Sadrian 1609173362Sbenjsc return 0; 1610173362Sbenjsc} 1611173362Sbenjsc 1612280069Sadrianstatic int 1613280069Sadrianwpi_add_node_entry_adhoc(struct wpi_softc *sc) 1614280069Sadrian{ 1615280069Sadrian int newid = WPI_ID_IBSS_MIN; 1616280069Sadrian 1617280069Sadrian for (; newid <= WPI_ID_IBSS_MAX; newid++) { 1618280069Sadrian if ((sc->nodesmsk & (1 << newid)) == 0) { 1619280069Sadrian sc->nodesmsk |= 1 << newid; 1620280069Sadrian return newid; 1621280069Sadrian } 1622280069Sadrian } 1623280069Sadrian 1624280069Sadrian return WPI_ID_UNDEFINED; 1625280069Sadrian} 1626280069Sadrian 1627280069Sadrianstatic __inline int 1628280070Sadrianwpi_add_node_entry_sta(struct wpi_softc *sc) 1629280070Sadrian{ 1630280070Sadrian sc->nodesmsk |= 1 << WPI_ID_BSS; 1631280070Sadrian 1632280070Sadrian return WPI_ID_BSS; 1633280070Sadrian} 1634280070Sadrian 1635280070Sadrianstatic __inline int 1636280069Sadrianwpi_check_node_entry(struct wpi_softc *sc, uint8_t id) 1637280069Sadrian{ 1638280069Sadrian if (id == WPI_ID_UNDEFINED) 1639280069Sadrian return 0; 1640280069Sadrian 1641280069Sadrian return (sc->nodesmsk >> id) & 1; 1642280069Sadrian} 1643280069Sadrian 1644280069Sadrianstatic __inline void 1645280069Sadrianwpi_clear_node_table(struct wpi_softc *sc) 1646280069Sadrian{ 1647280069Sadrian sc->nodesmsk = 0; 1648280069Sadrian} 1649280069Sadrian 1650280069Sadrianstatic __inline void 1651280069Sadrianwpi_del_node_entry(struct wpi_softc *sc, uint8_t id) 1652280069Sadrian{ 1653280069Sadrian sc->nodesmsk &= ~(1 << id); 1654280069Sadrian} 1655280069Sadrian 1656278366Sadrianstatic struct ieee80211_node * 1657278366Sadrianwpi_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 1658278366Sadrian{ 1659278366Sadrian struct wpi_node *wn; 1660278366Sadrian 1661278366Sadrian wn = malloc(sizeof (struct wpi_node), M_80211_NODE, 1662278366Sadrian M_NOWAIT | M_ZERO); 1663278366Sadrian 1664278366Sadrian if (wn == NULL) 1665278366Sadrian return NULL; 1666278366Sadrian 1667278366Sadrian wn->id = WPI_ID_UNDEFINED; 1668278366Sadrian 1669278366Sadrian return &wn->ni; 1670278366Sadrian} 1671278366Sadrian 1672278366Sadrianstatic void 1673278366Sadrianwpi_node_free(struct ieee80211_node *ni) 1674278366Sadrian{ 1675286437Sadrian struct ieee80211com *ic = ni->ni_ic; 1676286437Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 1677280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 1678278366Sadrian 1679280070Sadrian if (wn->id != WPI_ID_UNDEFINED) { 1680280077Sadrian WPI_NT_LOCK(sc); 1681280069Sadrian if (wpi_check_node_entry(sc, wn->id)) { 1682280069Sadrian wpi_del_node_entry(sc, wn->id); 1683278366Sadrian wpi_del_node(sc, ni); 1684280069Sadrian } 1685280077Sadrian WPI_NT_UNLOCK(sc); 1686278366Sadrian } 1687278366Sadrian 1688278366Sadrian sc->sc_node_free(ni); 1689278366Sadrian} 1690278366Sadrian 1691282375Sadrianstatic __inline int 1692282375Sadrianwpi_check_bss_filter(struct wpi_softc *sc) 1693282375Sadrian{ 1694282375Sadrian return (sc->rxon.filter & htole32(WPI_FILTER_BSS)) != 0; 1695282375Sadrian} 1696282375Sadrian 1697282401Sadrianstatic void 1698283536Sadrianwpi_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m, int subtype, 1699283536Sadrian const struct ieee80211_rx_stats *rxs, 1700283536Sadrian int rssi, int nf) 1701282401Sadrian{ 1702282401Sadrian struct ieee80211vap *vap = ni->ni_vap; 1703286437Sadrian struct wpi_softc *sc = vap->iv_ic->ic_ifp->if_softc; 1704282401Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 1705282401Sadrian uint64_t ni_tstamp, rx_tstamp; 1706282401Sadrian 1707283536Sadrian wvp->wv_recv_mgmt(ni, m, subtype, rxs, rssi, nf); 1708282401Sadrian 1709282401Sadrian if (vap->iv_opmode == IEEE80211_M_IBSS && 1710282401Sadrian vap->iv_state == IEEE80211_S_RUN && 1711282401Sadrian (subtype == IEEE80211_FC0_SUBTYPE_BEACON || 1712282401Sadrian subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP)) { 1713282401Sadrian ni_tstamp = le64toh(ni->ni_tstamp.tsf); 1714282401Sadrian rx_tstamp = le64toh(sc->rx_tstamp); 1715282401Sadrian 1716282401Sadrian if (ni_tstamp >= rx_tstamp) { 1717282401Sadrian DPRINTF(sc, WPI_DEBUG_STATE, 1718282401Sadrian "ibss merge, tsf %ju tstamp %ju\n", 1719282401Sadrian (uintmax_t)rx_tstamp, (uintmax_t)ni_tstamp); 1720282401Sadrian (void) ieee80211_ibss_merge(ni); 1721282401Sadrian } 1722282401Sadrian } 1723282401Sadrian} 1724282401Sadrian 1725282401Sadrianstatic void 1726282401Sadrianwpi_restore_node(void *arg, struct ieee80211_node *ni) 1727282401Sadrian{ 1728282401Sadrian struct wpi_softc *sc = arg; 1729282401Sadrian struct wpi_node *wn = WPI_NODE(ni); 1730282401Sadrian int error; 1731282401Sadrian 1732282401Sadrian WPI_NT_LOCK(sc); 1733282401Sadrian if (wn->id != WPI_ID_UNDEFINED) { 1734282401Sadrian wn->id = WPI_ID_UNDEFINED; 1735282401Sadrian if ((error = wpi_add_ibss_node(sc, ni)) != 0) { 1736282401Sadrian device_printf(sc->sc_dev, 1737282401Sadrian "%s: could not add IBSS node, error %d\n", 1738282401Sadrian __func__, error); 1739282401Sadrian } 1740282401Sadrian } 1741282401Sadrian WPI_NT_UNLOCK(sc); 1742282401Sadrian} 1743282401Sadrian 1744282401Sadrianstatic void 1745282401Sadrianwpi_restore_node_table(struct wpi_softc *sc, struct wpi_vap *wvp) 1746282401Sadrian{ 1747286437Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 1748282401Sadrian 1749282401Sadrian /* Set group keys once. */ 1750282401Sadrian WPI_NT_LOCK(sc); 1751282401Sadrian wvp->wv_gtk = 0; 1752282401Sadrian WPI_NT_UNLOCK(sc); 1753282401Sadrian 1754282401Sadrian ieee80211_iterate_nodes(&ic->ic_sta, wpi_restore_node, sc); 1755282401Sadrian ieee80211_crypto_reload_keys(ic); 1756282401Sadrian} 1757282401Sadrian 1758173362Sbenjsc/** 1759173362Sbenjsc * Called by net80211 when ever there is a change to 80211 state machine 1760173362Sbenjsc */ 1761173362Sbenjscstatic int 1762178354Ssamwpi_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1763173362Sbenjsc{ 1764178354Ssam struct wpi_vap *wvp = WPI_VAP(vap); 1765178354Ssam struct ieee80211com *ic = vap->iv_ic; 1766286437Sadrian struct ifnet *ifp = ic->ic_ifp; 1767286437Sadrian struct wpi_softc *sc = ifp->if_softc; 1768278366Sadrian int error = 0; 1769173362Sbenjsc 1770278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1771278366Sadrian 1772278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "%s: %s -> %s\n", __func__, 1773178354Ssam ieee80211_state_name[vap->iv_state], 1774278366Sadrian ieee80211_state_name[nstate]); 1775173362Sbenjsc 1776282381Sadrian if (vap->iv_state == IEEE80211_S_RUN && nstate < IEEE80211_S_RUN) { 1777280118Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 1)) != 0) { 1778280118Sadrian device_printf(sc->sc_dev, 1779280118Sadrian "%s: could not set power saving level\n", 1780280118Sadrian __func__); 1781280118Sadrian return error; 1782280118Sadrian } 1783282381Sadrian 1784282381Sadrian wpi_set_led(sc, WPI_LED_LINK, 1, 0); 1785280118Sadrian } 1786280118Sadrian 1787278366Sadrian switch (nstate) { 1788278366Sadrian case IEEE80211_S_SCAN: 1789280108Sadrian WPI_RXON_LOCK(sc); 1790282386Sadrian if (wpi_check_bss_filter(sc) != 0) { 1791278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 1792278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 1793278366Sadrian device_printf(sc->sc_dev, 1794278366Sadrian "%s: could not send RXON\n", __func__); 1795278366Sadrian } 1796216238Sbschmidt } 1797280108Sadrian WPI_RXON_UNLOCK(sc); 1798278366Sadrian break; 1799278366Sadrian 1800278366Sadrian case IEEE80211_S_ASSOC: 1801278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1802278366Sadrian break; 1803278366Sadrian /* FALLTHROUGH */ 1804278366Sadrian case IEEE80211_S_AUTH: 1805216238Sbschmidt /* 1806282391Sadrian * NB: do not optimize AUTH -> AUTH state transmission - 1807282391Sadrian * this will break powersave with non-QoS AP! 1808282391Sadrian */ 1809282391Sadrian 1810282391Sadrian /* 1811216238Sbschmidt * The node must be registered in the firmware before auth. 1812216238Sbschmidt * Also the associd must be cleared on RUN -> ASSOC 1813216238Sbschmidt * transitions. 1814216238Sbschmidt */ 1815278366Sadrian if ((error = wpi_auth(sc, vap)) != 0) { 1816191746Sthompsa device_printf(sc->sc_dev, 1817278366Sadrian "%s: could not move to AUTH state, error %d\n", 1818191746Sthompsa __func__, error); 1819191746Sthompsa } 1820278366Sadrian break; 1821278366Sadrian 1822278366Sadrian case IEEE80211_S_RUN: 1823278366Sadrian /* 1824282401Sadrian * RUN -> RUN transition: 1825282401Sadrian * STA mode: Just restart the timers. 1826282401Sadrian * IBSS mode: Process IBSS merge. 1827278366Sadrian */ 1828278366Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 1829282401Sadrian if (vap->iv_opmode != IEEE80211_M_IBSS) { 1830282401Sadrian WPI_RXON_LOCK(sc); 1831282401Sadrian wpi_calib_timeout(sc); 1832282401Sadrian WPI_RXON_UNLOCK(sc); 1833282401Sadrian break; 1834282401Sadrian } else { 1835282401Sadrian /* 1836282401Sadrian * Drop the BSS_FILTER bit 1837282401Sadrian * (there is no another way to change bssid). 1838282401Sadrian */ 1839282401Sadrian WPI_RXON_LOCK(sc); 1840282401Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 1841282401Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 1842282401Sadrian device_printf(sc->sc_dev, 1843282401Sadrian "%s: could not send RXON\n", 1844282401Sadrian __func__); 1845282401Sadrian } 1846282401Sadrian WPI_RXON_UNLOCK(sc); 1847282401Sadrian 1848282401Sadrian /* Restore all what was lost. */ 1849282401Sadrian wpi_restore_node_table(sc, wvp); 1850282401Sadrian 1851282401Sadrian /* XXX set conditionally? */ 1852282401Sadrian wpi_updateedca(ic); 1853282401Sadrian } 1854278366Sadrian } 1855278366Sadrian 1856278366Sadrian /* 1857278366Sadrian * !RUN -> RUN requires setting the association id 1858278366Sadrian * which is done with a firmware cmd. We also defer 1859278366Sadrian * starting the timers until that work is done. 1860278366Sadrian */ 1861278366Sadrian if ((error = wpi_run(sc, vap)) != 0) { 1862191746Sthompsa device_printf(sc->sc_dev, 1863278366Sadrian "%s: could not move to RUN state\n", __func__); 1864191746Sthompsa } 1865278366Sadrian break; 1866278366Sadrian 1867278366Sadrian default: 1868278366Sadrian break; 1869178354Ssam } 1870278366Sadrian if (error != 0) { 1871278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1872278366Sadrian return error; 1873278366Sadrian } 1874173362Sbenjsc 1875278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1876173362Sbenjsc 1877280085Sadrian return wvp->wv_newstate(vap, nstate, arg); 1878173362Sbenjsc} 1879173362Sbenjsc 1880173362Sbenjscstatic void 1881278366Sadrianwpi_calib_timeout(void *arg) 1882173362Sbenjsc{ 1883278366Sadrian struct wpi_softc *sc = arg; 1884173362Sbenjsc 1885282375Sadrian if (wpi_check_bss_filter(sc) == 0) 1886278366Sadrian return; 1887173362Sbenjsc 1888278366Sadrian wpi_power_calibration(sc); 1889173362Sbenjsc 1890278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 1891173362Sbenjsc} 1892173362Sbenjsc 1893278366Sadrianstatic __inline uint8_t 1894278366Sadrianrate2plcp(const uint8_t rate) 1895173362Sbenjsc{ 1896278366Sadrian switch (rate) { 1897278366Sadrian case 12: return 0xd; 1898278366Sadrian case 18: return 0xf; 1899278366Sadrian case 24: return 0x5; 1900278366Sadrian case 36: return 0x7; 1901278366Sadrian case 48: return 0x9; 1902278366Sadrian case 72: return 0xb; 1903278366Sadrian case 96: return 0x1; 1904278366Sadrian case 108: return 0x3; 1905278366Sadrian case 2: return 10; 1906278366Sadrian case 4: return 20; 1907278366Sadrian case 11: return 55; 1908278366Sadrian case 22: return 110; 1909278366Sadrian default: return 0; 1910173362Sbenjsc } 1911173362Sbenjsc} 1912173362Sbenjsc 1913278366Sadrianstatic __inline uint8_t 1914278366Sadrianplcp2rate(const uint8_t plcp) 1915173362Sbenjsc{ 1916278366Sadrian switch (plcp) { 1917278366Sadrian case 0xd: return 12; 1918278366Sadrian case 0xf: return 18; 1919278366Sadrian case 0x5: return 24; 1920278366Sadrian case 0x7: return 36; 1921278366Sadrian case 0x9: return 48; 1922278366Sadrian case 0xb: return 72; 1923278366Sadrian case 0x1: return 96; 1924278366Sadrian case 0x3: return 108; 1925278366Sadrian case 10: return 2; 1926278366Sadrian case 20: return 4; 1927278366Sadrian case 55: return 11; 1928278366Sadrian case 110: return 22; 1929278366Sadrian default: return 0; 1930173362Sbenjsc } 1931278366Sadrian} 1932173362Sbenjsc 1933278366Sadrian/* Quickly determine if a given rate is CCK or OFDM. */ 1934278366Sadrian#define WPI_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22) 1935173362Sbenjsc 1936173362Sbenjscstatic void 1937278366Sadrianwpi_rx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1938278366Sadrian struct wpi_rx_data *data) 1939173362Sbenjsc{ 1940286437Sadrian struct ifnet *ifp = sc->sc_ifp; 1941286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 1942173362Sbenjsc struct wpi_rx_ring *ring = &sc->rxq; 1943173362Sbenjsc struct wpi_rx_stat *stat; 1944173362Sbenjsc struct wpi_rx_head *head; 1945173362Sbenjsc struct wpi_rx_tail *tail; 1946278366Sadrian struct ieee80211_frame *wh; 1947173362Sbenjsc struct ieee80211_node *ni; 1948278366Sadrian struct mbuf *m, *m1; 1949177043Sthompsa bus_addr_t paddr; 1950278366Sadrian uint32_t flags; 1951278366Sadrian uint16_t len; 1952177043Sthompsa int error; 1953173362Sbenjsc 1954173362Sbenjsc stat = (struct wpi_rx_stat *)(desc + 1); 1955173362Sbenjsc 1956173362Sbenjsc if (stat->len > WPI_STAT_MAXLEN) { 1957278366Sadrian device_printf(sc->sc_dev, "invalid RX statistic header\n"); 1958278764Sadrian goto fail1; 1959173362Sbenjsc } 1960173362Sbenjsc 1961216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTREAD); 1962173362Sbenjsc head = (struct wpi_rx_head *)((caddr_t)(stat + 1) + stat->len); 1963278366Sadrian len = le16toh(head->len); 1964278366Sadrian tail = (struct wpi_rx_tail *)((caddr_t)(head + 1) + len); 1965278366Sadrian flags = le32toh(tail->flags); 1966173362Sbenjsc 1967278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: idx %d len %d stat len %u rssi %d" 1968278366Sadrian " rate %x chan %d tstamp %ju\n", __func__, ring->cur, 1969278366Sadrian le32toh(desc->len), len, (int8_t)stat->rssi, 1970278366Sadrian head->plcp, head->chan, (uintmax_t)le64toh(tail->tstamp)); 1971173362Sbenjsc 1972278366Sadrian /* Discard frames with a bad FCS early. */ 1973278366Sadrian if ((flags & WPI_RX_NOERROR) != WPI_RX_NOERROR) { 1974278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: RX flags error %x\n", 1975278366Sadrian __func__, flags); 1976278764Sadrian goto fail1; 1977190458Sjmallett } 1978278366Sadrian /* Discard frames that are too short. */ 1979282402Sadrian if (len < sizeof (struct ieee80211_frame_ack)) { 1980278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: frame too short: %d\n", 1981278366Sadrian __func__, len); 1982278764Sadrian goto fail1; 1983190458Sjmallett } 1984190458Sjmallett 1985278366Sadrian m1 = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1986278366Sadrian if (m1 == NULL) { 1987278366Sadrian DPRINTF(sc, WPI_DEBUG_ANY, "%s: no mbuf to restock ring\n", 1988278366Sadrian __func__); 1989278764Sadrian goto fail1; 1990177043Sthompsa } 1991216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1992216824Sbschmidt 1993278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, mtod(m1, void *), 1994278366Sadrian MJUMPAGESIZE, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 1995177043Sthompsa if (error != 0 && error != EFBIG) { 1996177043Sthompsa device_printf(sc->sc_dev, 1997177043Sthompsa "%s: bus_dmamap_load failed, error %d\n", __func__, error); 1998278366Sadrian m_freem(m1); 1999278366Sadrian 2000278366Sadrian /* Try to reload the old mbuf. */ 2001278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, 2002278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 2003278366Sadrian &paddr, BUS_DMA_NOWAIT); 2004278366Sadrian if (error != 0 && error != EFBIG) { 2005278366Sadrian panic("%s: could not load old RX mbuf", __func__); 2006278366Sadrian } 2007278366Sadrian /* Physical address may have changed. */ 2008278366Sadrian ring->desc[ring->cur] = htole32(paddr); 2009278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->desc_dma.map, 2010278366Sadrian BUS_DMASYNC_PREWRITE); 2011278764Sadrian goto fail1; 2012177043Sthompsa } 2013177043Sthompsa 2014173362Sbenjsc m = data->m; 2015278366Sadrian data->m = m1; 2016278366Sadrian /* Update RX descriptor. */ 2017278366Sadrian ring->desc[ring->cur] = htole32(paddr); 2018278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2019278366Sadrian BUS_DMASYNC_PREWRITE); 2020278366Sadrian 2021278366Sadrian /* Finalize mbuf. */ 2022286437Sadrian m->m_pkthdr.rcvif = ifp; 2023173362Sbenjsc m->m_data = (caddr_t)(head + 1); 2024278366Sadrian m->m_pkthdr.len = m->m_len = len; 2025173362Sbenjsc 2026278366Sadrian /* Grab a reference to the source node. */ 2027278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2028173362Sbenjsc 2029278366Sadrian if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) && 2030280088Sadrian (flags & WPI_RX_CIPHER_MASK) == WPI_RX_CIPHER_CCMP) { 2031278366Sadrian /* Check whether decryption was successful or not. */ 2032278366Sadrian if ((flags & WPI_RX_DECRYPT_MASK) != WPI_RX_DECRYPT_OK) { 2033278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, 2034278366Sadrian "CCMP decryption failed 0x%x\n", flags); 2035278764Sadrian goto fail2; 2036278366Sadrian } 2037278366Sadrian m->m_flags |= M_WEP; 2038278366Sadrian } 2039278366Sadrian 2040282402Sadrian if (len >= sizeof(struct ieee80211_frame_min)) 2041282402Sadrian ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 2042282402Sadrian else 2043282402Sadrian ni = NULL; 2044282402Sadrian 2045282401Sadrian sc->rx_tstamp = tail->tstamp; 2046280088Sadrian 2047192468Ssam if (ieee80211_radiotap_active(ic)) { 2048173362Sbenjsc struct wpi_rx_radiotap_header *tap = &sc->sc_rxtap; 2049173362Sbenjsc 2050173362Sbenjsc tap->wr_flags = 0; 2051278366Sadrian if (head->flags & htole16(WPI_STAT_FLAG_SHPREAMBLE)) 2052278366Sadrian tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 2053280064Sadrian tap->wr_dbm_antsignal = (int8_t)(stat->rssi + WPI_RSSI_OFFSET); 2054280081Sadrian tap->wr_dbm_antnoise = WPI_RSSI_OFFSET; 2055173362Sbenjsc tap->wr_tsft = tail->tstamp; 2056173362Sbenjsc tap->wr_antenna = (le16toh(head->flags) >> 4) & 0xf; 2057278366Sadrian tap->wr_rate = plcp2rate(head->plcp); 2058173362Sbenjsc } 2059173362Sbenjsc 2060173362Sbenjsc WPI_UNLOCK(sc); 2061173362Sbenjsc 2062278366Sadrian /* Send the frame to the 802.11 layer. */ 2063178354Ssam if (ni != NULL) { 2064280064Sadrian (void)ieee80211_input(ni, m, stat->rssi, WPI_RSSI_OFFSET); 2065278366Sadrian /* Node is no longer needed. */ 2066178354Ssam ieee80211_free_node(ni); 2067178354Ssam } else 2068280064Sadrian (void)ieee80211_input_all(ic, m, stat->rssi, WPI_RSSI_OFFSET); 2069173362Sbenjsc 2070173362Sbenjsc WPI_LOCK(sc); 2071278764Sadrian 2072278764Sadrian return; 2073278764Sadrian 2074280088Sadrianfail2: m_freem(m); 2075278764Sadrian 2076286437Sadrianfail1: if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 2077173362Sbenjsc} 2078173362Sbenjsc 2079173362Sbenjscstatic void 2080278366Sadrianwpi_rx_statistics(struct wpi_softc *sc, struct wpi_rx_desc *desc, 2081278366Sadrian struct wpi_rx_data *data) 2082173362Sbenjsc{ 2083278366Sadrian /* Ignore */ 2084278366Sadrian} 2085278366Sadrian 2086278366Sadrianstatic void 2087278366Sadrianwpi_tx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 2088278366Sadrian{ 2089286437Sadrian struct ifnet *ifp = sc->sc_ifp; 2090173362Sbenjsc struct wpi_tx_ring *ring = &sc->txq[desc->qid & 0x3]; 2091278366Sadrian struct wpi_tx_data *data = &ring->data[desc->idx]; 2092173362Sbenjsc struct wpi_tx_stat *stat = (struct wpi_tx_stat *)(desc + 1); 2093278366Sadrian struct mbuf *m; 2094278366Sadrian struct ieee80211_node *ni; 2095278366Sadrian struct ieee80211vap *vap; 2096280078Sadrian struct ieee80211com *ic; 2097280114Sadrian uint32_t status = le32toh(stat->status); 2098282369Sadrian int ackfailcnt = stat->ackfailcnt / WPI_NTRIES_DEFAULT; 2099173362Sbenjsc 2100278366Sadrian KASSERT(data->ni != NULL, ("no node")); 2101280100Sadrian KASSERT(data->m != NULL, ("no mbuf")); 2102173362Sbenjsc 2103278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2104278366Sadrian 2105278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: " 2106278366Sadrian "qid %d idx %d retries %d btkillcnt %d rate %x duration %d " 2107282369Sadrian "status %x\n", __func__, desc->qid, desc->idx, stat->ackfailcnt, 2108278366Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), status); 2109278366Sadrian 2110278366Sadrian /* Unmap and free mbuf. */ 2111278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTWRITE); 2112278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 2113278366Sadrian m = data->m, data->m = NULL; 2114278366Sadrian ni = data->ni, data->ni = NULL; 2115278366Sadrian vap = ni->ni_vap; 2116280078Sadrian ic = vap->iv_ic; 2117278366Sadrian 2118173362Sbenjsc /* 2119173362Sbenjsc * Update rate control statistics for the node. 2120173362Sbenjsc */ 2121282378Sadrian if (status & WPI_TX_STATUS_FAIL) { 2122286437Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2123278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 2124278764Sadrian IEEE80211_RATECTL_TX_FAILURE, &ackfailcnt, NULL); 2125286437Sadrian } else { 2126286437Sadrian if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 2127278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 2128278764Sadrian IEEE80211_RATECTL_TX_SUCCESS, &ackfailcnt, NULL); 2129286437Sadrian } 2130173362Sbenjsc 2131282378Sadrian ieee80211_tx_complete(ni, m, (status & WPI_TX_STATUS_FAIL) != 0); 2132173362Sbenjsc 2133280112Sadrian WPI_TXQ_STATE_LOCK(sc); 2134280109Sadrian ring->queued -= 1; 2135280111Sadrian if (ring->queued > 0) { 2136280109Sadrian callout_reset(&sc->tx_timeout, 5*hz, wpi_tx_timeout, sc); 2137280111Sadrian 2138286437Sadrian if (sc->qfullmsk != 0 && 2139286437Sadrian ring->queued < WPI_TX_RING_LOMARK) { 2140280111Sadrian sc->qfullmsk &= ~(1 << ring->qid); 2141286437Sadrian IF_LOCK(&ifp->if_snd); 2142286437Sadrian if (sc->qfullmsk == 0 && 2143286437Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) { 2144286437Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2145286437Sadrian IF_UNLOCK(&ifp->if_snd); 2146286437Sadrian ieee80211_runtask(ic, &sc->sc_start_task); 2147286437Sadrian } else 2148286437Sadrian IF_UNLOCK(&ifp->if_snd); 2149280111Sadrian } 2150280111Sadrian } else 2151280109Sadrian callout_stop(&sc->tx_timeout); 2152280112Sadrian WPI_TXQ_STATE_UNLOCK(sc); 2153280109Sadrian 2154278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2155173362Sbenjsc} 2156173362Sbenjsc 2157278366Sadrian/* 2158278366Sadrian * Process a "command done" firmware notification. This is where we wakeup 2159278366Sadrian * processes waiting for a synchronous command completion. 2160278366Sadrian */ 2161173362Sbenjscstatic void 2162278366Sadrianwpi_cmd_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 2163173362Sbenjsc{ 2164280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 2165173362Sbenjsc struct wpi_tx_data *data; 2166173362Sbenjsc 2167280101Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "cmd notification qid %x idx %d flags %x " 2168280101Sadrian "type %s len %d\n", desc->qid, desc->idx, 2169278366Sadrian desc->flags, wpi_cmd_str(desc->type), 2170278366Sadrian le32toh(desc->len)); 2171173362Sbenjsc 2172280064Sadrian if ((desc->qid & WPI_RX_DESC_QID_MSK) != WPI_CMD_QUEUE_NUM) 2173278366Sadrian return; /* Not a command ack. */ 2174173362Sbenjsc 2175280075Sadrian KASSERT(ring->queued == 0, ("ring->queued must be 0")); 2176280075Sadrian 2177173362Sbenjsc data = &ring->data[desc->idx]; 2178173362Sbenjsc 2179278366Sadrian /* If the command was mapped in an mbuf, free it. */ 2180173362Sbenjsc if (data->m != NULL) { 2181278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 2182278366Sadrian BUS_DMASYNC_POSTWRITE); 2183173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 2184173362Sbenjsc m_freem(data->m); 2185173362Sbenjsc data->m = NULL; 2186173362Sbenjsc } 2187173362Sbenjsc 2188173362Sbenjsc wakeup(&ring->cmd[desc->idx]); 2189282400Sadrian 2190282400Sadrian if (desc->type == WPI_CMD_SET_POWER_MODE) { 2191282400Sadrian WPI_TXQ_LOCK(sc); 2192282400Sadrian if (sc->sc_flags & WPI_PS_PATH) { 2193282400Sadrian sc->sc_update_rx_ring = wpi_update_rx_ring_ps; 2194282400Sadrian sc->sc_update_tx_ring = wpi_update_tx_ring_ps; 2195282400Sadrian } else { 2196282400Sadrian sc->sc_update_rx_ring = wpi_update_rx_ring; 2197282400Sadrian sc->sc_update_tx_ring = wpi_update_tx_ring; 2198282400Sadrian } 2199282400Sadrian WPI_TXQ_UNLOCK(sc); 2200282400Sadrian } 2201173362Sbenjsc} 2202173362Sbenjsc 2203173362Sbenjscstatic void 2204173362Sbenjscwpi_notif_intr(struct wpi_softc *sc) 2205173362Sbenjsc{ 2206286437Sadrian struct ifnet *ifp = sc->sc_ifp; 2207286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 2208278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2209280114Sadrian uint32_t hw; 2210173362Sbenjsc 2211216523Sbschmidt bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 2212216523Sbschmidt BUS_DMASYNC_POSTREAD); 2213216523Sbschmidt 2214282398Sadrian hw = le32toh(sc->shared->next) & 0xfff; 2215278366Sadrian hw = (hw == 0) ? WPI_RX_RING_COUNT - 1 : hw - 1; 2216216523Sbschmidt 2217278764Sadrian while (sc->rxq.cur != hw) { 2218278366Sadrian sc->rxq.cur = (sc->rxq.cur + 1) % WPI_RX_RING_COUNT; 2219278366Sadrian 2220278366Sadrian struct wpi_rx_data *data = &sc->rxq.data[sc->rxq.cur]; 2221278366Sadrian struct wpi_rx_desc *desc; 2222278366Sadrian 2223216523Sbschmidt bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2224216523Sbschmidt BUS_DMASYNC_POSTREAD); 2225278366Sadrian desc = mtod(data->m, struct wpi_rx_desc *); 2226173362Sbenjsc 2227278366Sadrian DPRINTF(sc, WPI_DEBUG_NOTIFY, 2228278366Sadrian "%s: cur=%d; qid %x idx %d flags %x type %d(%s) len %d\n", 2229278366Sadrian __func__, sc->rxq.cur, desc->qid, desc->idx, desc->flags, 2230278366Sadrian desc->type, wpi_cmd_str(desc->type), le32toh(desc->len)); 2231173362Sbenjsc 2232280064Sadrian if (!(desc->qid & WPI_UNSOLICITED_RX_NOTIF)) { 2233280064Sadrian /* Reply to a command. */ 2234278366Sadrian wpi_cmd_done(sc, desc); 2235280064Sadrian } 2236173362Sbenjsc 2237173362Sbenjsc switch (desc->type) { 2238173362Sbenjsc case WPI_RX_DONE: 2239278366Sadrian /* An 802.11 frame has been received. */ 2240278366Sadrian wpi_rx_done(sc, desc, data); 2241280055Sadrian 2242286437Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2243280055Sadrian /* wpi_stop() was called. */ 2244280055Sadrian return; 2245280055Sadrian } 2246280055Sadrian 2247173362Sbenjsc break; 2248173362Sbenjsc 2249173362Sbenjsc case WPI_TX_DONE: 2250278366Sadrian /* An 802.11 frame has been transmitted. */ 2251278366Sadrian wpi_tx_done(sc, desc); 2252173362Sbenjsc break; 2253173362Sbenjsc 2254278366Sadrian case WPI_RX_STATISTICS: 2255278366Sadrian case WPI_BEACON_STATISTICS: 2256278366Sadrian wpi_rx_statistics(sc, desc, data); 2257278366Sadrian break; 2258278366Sadrian 2259278366Sadrian case WPI_BEACON_MISSED: 2260278366Sadrian { 2261278366Sadrian struct wpi_beacon_missed *miss = 2262278366Sadrian (struct wpi_beacon_missed *)(desc + 1); 2263282389Sadrian uint32_t expected, misses, received, threshold; 2264278366Sadrian 2265278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2266278366Sadrian BUS_DMASYNC_POSTREAD); 2267282388Sadrian 2268278366Sadrian misses = le32toh(miss->consecutive); 2269282388Sadrian expected = le32toh(miss->expected); 2270282388Sadrian received = le32toh(miss->received); 2271282389Sadrian threshold = MAX(2, vap->iv_bmissthreshold); 2272278366Sadrian 2273282387Sadrian DPRINTF(sc, WPI_DEBUG_BMISS, 2274282390Sadrian "%s: beacons missed %u(%u) (received %u/%u)\n", 2275282390Sadrian __func__, misses, le32toh(miss->total), received, 2276282390Sadrian expected); 2277278366Sadrian 2278282392Sadrian if (misses >= threshold || 2279282392Sadrian (received == 0 && expected >= threshold)) { 2280282392Sadrian WPI_RXON_LOCK(sc); 2281282392Sadrian if (callout_pending(&sc->scan_timeout)) { 2282282392Sadrian wpi_cmd(sc, WPI_CMD_SCAN_ABORT, NULL, 2283282392Sadrian 0, 1); 2284282392Sadrian } 2285282392Sadrian WPI_RXON_UNLOCK(sc); 2286282392Sadrian if (vap->iv_state == IEEE80211_S_RUN && 2287282392Sadrian (ic->ic_flags & IEEE80211_F_SCAN) == 0) 2288282392Sadrian ieee80211_beacon_miss(ic); 2289282392Sadrian } 2290280116Sadrian 2291278366Sadrian break; 2292278366Sadrian } 2293282393Sadrian#ifdef WPI_DEBUG 2294282393Sadrian case WPI_BEACON_SENT: 2295282393Sadrian { 2296282393Sadrian struct wpi_tx_stat *stat = 2297282393Sadrian (struct wpi_tx_stat *)(desc + 1); 2298282393Sadrian uint64_t *tsf = (uint64_t *)(stat + 1); 2299282393Sadrian uint32_t *mode = (uint32_t *)(tsf + 1); 2300282393Sadrian 2301282393Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2302282393Sadrian BUS_DMASYNC_POSTREAD); 2303282393Sadrian 2304282393Sadrian DPRINTF(sc, WPI_DEBUG_BEACON, 2305282393Sadrian "beacon sent: rts %u, ack %u, btkill %u, rate %u, " 2306282393Sadrian "duration %u, status %x, tsf %ju, mode %x\n", 2307282393Sadrian stat->rtsfailcnt, stat->ackfailcnt, 2308282393Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), 2309282393Sadrian le32toh(stat->status), *tsf, *mode); 2310282393Sadrian 2311282393Sadrian break; 2312282393Sadrian } 2313282393Sadrian#endif 2314173362Sbenjsc case WPI_UC_READY: 2315173362Sbenjsc { 2316173362Sbenjsc struct wpi_ucode_info *uc = 2317278366Sadrian (struct wpi_ucode_info *)(desc + 1); 2318173362Sbenjsc 2319278366Sadrian /* The microcontroller is ready. */ 2320278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2321278366Sadrian BUS_DMASYNC_POSTREAD); 2322278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, 2323278366Sadrian "microcode alive notification version=%d.%d " 2324278366Sadrian "subtype=%x alive=%x\n", uc->major, uc->minor, 2325278366Sadrian uc->subtype, le32toh(uc->valid)); 2326173362Sbenjsc 2327173362Sbenjsc if (le32toh(uc->valid) != 1) { 2328173362Sbenjsc device_printf(sc->sc_dev, 2329173362Sbenjsc "microcontroller initialization failed\n"); 2330173362Sbenjsc wpi_stop_locked(sc); 2331173362Sbenjsc } 2332278366Sadrian /* Save the address of the error log in SRAM. */ 2333278366Sadrian sc->errptr = le32toh(uc->errptr); 2334173362Sbenjsc break; 2335173362Sbenjsc } 2336173362Sbenjsc case WPI_STATE_CHANGED: 2337173362Sbenjsc { 2338280059Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2339280059Sadrian BUS_DMASYNC_POSTREAD); 2340278366Sadrian 2341173362Sbenjsc uint32_t *status = (uint32_t *)(desc + 1); 2342278764Sadrian 2343278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "state changed to %x\n", 2344278366Sadrian le32toh(*status)); 2345278764Sadrian 2346173362Sbenjsc if (le32toh(*status) & 1) { 2347280077Sadrian WPI_NT_LOCK(sc); 2348280069Sadrian wpi_clear_node_table(sc); 2349280077Sadrian WPI_NT_UNLOCK(sc); 2350282377Sadrian taskqueue_enqueue(sc->sc_tq, 2351282377Sadrian &sc->sc_radiooff_task); 2352278366Sadrian return; 2353173362Sbenjsc } 2354173362Sbenjsc break; 2355173362Sbenjsc } 2356282395Sadrian#ifdef WPI_DEBUG 2357173362Sbenjsc case WPI_START_SCAN: 2358173362Sbenjsc { 2359278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2360278366Sadrian BUS_DMASYNC_POSTREAD); 2361282395Sadrian 2362173362Sbenjsc struct wpi_start_scan *scan = 2363278366Sadrian (struct wpi_start_scan *)(desc + 1); 2364278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2365278366Sadrian "%s: scanning channel %d status %x\n", 2366278366Sadrian __func__, scan->chan, le32toh(scan->status)); 2367282395Sadrian 2368173362Sbenjsc break; 2369173362Sbenjsc } 2370282395Sadrian#endif 2371173362Sbenjsc case WPI_STOP_SCAN: 2372173362Sbenjsc { 2373278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2374278366Sadrian BUS_DMASYNC_POSTREAD); 2375282392Sadrian 2376173362Sbenjsc struct wpi_stop_scan *scan = 2377278366Sadrian (struct wpi_stop_scan *)(desc + 1); 2378282392Sadrian 2379278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2380278366Sadrian "scan finished nchan=%d status=%d chan=%d\n", 2381278366Sadrian scan->nchan, scan->status, scan->chan); 2382282392Sadrian 2383280108Sadrian WPI_RXON_LOCK(sc); 2384280106Sadrian callout_stop(&sc->scan_timeout); 2385280108Sadrian WPI_RXON_UNLOCK(sc); 2386282392Sadrian if (scan->status == WPI_SCAN_ABORTED) 2387282392Sadrian ieee80211_cancel_scan(vap); 2388282392Sadrian else 2389282392Sadrian ieee80211_scan_next(vap); 2390173362Sbenjsc break; 2391173362Sbenjsc } 2392278366Sadrian } 2393280119Sadrian 2394280119Sadrian if (sc->rxq.cur % 8 == 0) { 2395280119Sadrian /* Tell the firmware what we have processed. */ 2396282400Sadrian sc->sc_update_rx_ring(sc); 2397280119Sadrian } 2398278764Sadrian } 2399278366Sadrian} 2400278366Sadrian 2401278366Sadrian/* 2402278366Sadrian * Process an INT_WAKEUP interrupt raised when the microcontroller wakes up 2403278366Sadrian * from power-down sleep mode. 2404278366Sadrian */ 2405280059Sadrianstatic void 2406278366Sadrianwpi_wakeup_intr(struct wpi_softc *sc) 2407278366Sadrian{ 2408278366Sadrian int qid; 2409278366Sadrian 2410278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 2411278366Sadrian "%s: ucode wakeup from power-down sleep\n", __func__); 2412278366Sadrian 2413278366Sadrian /* Wakeup RX and TX rings. */ 2414278366Sadrian if (sc->rxq.update) { 2415278764Sadrian sc->rxq.update = 0; 2416278366Sadrian wpi_update_rx_ring(sc); 2417278366Sadrian } 2418280071Sadrian WPI_TXQ_LOCK(sc); 2419280058Sadrian for (qid = 0; qid < WPI_DRV_NTXQUEUES; qid++) { 2420278366Sadrian struct wpi_tx_ring *ring = &sc->txq[qid]; 2421278366Sadrian 2422278366Sadrian if (ring->update) { 2423278764Sadrian ring->update = 0; 2424278366Sadrian wpi_update_tx_ring(sc, ring); 2425173362Sbenjsc } 2426278366Sadrian } 2427282400Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 2428280071Sadrian WPI_TXQ_UNLOCK(sc); 2429278366Sadrian} 2430278366Sadrian 2431278366Sadrian/* 2432280093Sadrian * This function prints firmware registers 2433280093Sadrian */ 2434280093Sadrian#ifdef WPI_DEBUG 2435280093Sadrianstatic void 2436280093Sadrianwpi_debug_registers(struct wpi_softc *sc) 2437280093Sadrian{ 2438282398Sadrian size_t i; 2439280093Sadrian static const uint32_t csr_tbl[] = { 2440280093Sadrian WPI_HW_IF_CONFIG, 2441280093Sadrian WPI_INT, 2442280093Sadrian WPI_INT_MASK, 2443280093Sadrian WPI_FH_INT, 2444280093Sadrian WPI_GPIO_IN, 2445280093Sadrian WPI_RESET, 2446280093Sadrian WPI_GP_CNTRL, 2447280093Sadrian WPI_EEPROM, 2448280093Sadrian WPI_EEPROM_GP, 2449280093Sadrian WPI_GIO, 2450280093Sadrian WPI_UCODE_GP1, 2451280093Sadrian WPI_UCODE_GP2, 2452280093Sadrian WPI_GIO_CHICKEN, 2453280093Sadrian WPI_ANA_PLL, 2454280093Sadrian WPI_DBG_HPET_MEM, 2455280093Sadrian }; 2456280093Sadrian static const uint32_t prph_tbl[] = { 2457280093Sadrian WPI_APMG_CLK_CTRL, 2458280093Sadrian WPI_APMG_PS, 2459280093Sadrian WPI_APMG_PCI_STT, 2460280093Sadrian WPI_APMG_RFKILL, 2461280093Sadrian }; 2462280093Sadrian 2463280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER,"%s","\n"); 2464280093Sadrian 2465282396Sadrian for (i = 0; i < nitems(csr_tbl); i++) { 2466280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, " %-18s: 0x%08x ", 2467280093Sadrian wpi_get_csr_string(csr_tbl[i]), WPI_READ(sc, csr_tbl[i])); 2468280093Sadrian 2469280093Sadrian if ((i + 1) % 2 == 0) 2470280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2471280093Sadrian } 2472280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n\n"); 2473280093Sadrian 2474280093Sadrian if (wpi_nic_lock(sc) == 0) { 2475282396Sadrian for (i = 0; i < nitems(prph_tbl); i++) { 2476280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, " %-18s: 0x%08x ", 2477280093Sadrian wpi_get_prph_string(prph_tbl[i]), 2478280093Sadrian wpi_prph_read(sc, prph_tbl[i])); 2479280093Sadrian 2480280093Sadrian if ((i + 1) % 2 == 0) 2481280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2482280093Sadrian } 2483280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2484280093Sadrian wpi_nic_unlock(sc); 2485280093Sadrian } else { 2486280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, 2487280093Sadrian "Cannot access internal registers.\n"); 2488280093Sadrian } 2489280093Sadrian} 2490280093Sadrian#endif 2491280093Sadrian 2492280093Sadrian/* 2493278366Sadrian * Dump the error log of the firmware when a firmware panic occurs. Although 2494278366Sadrian * we can't debug the firmware because it is neither open source nor free, it 2495278366Sadrian * can help us to identify certain classes of problems. 2496278366Sadrian */ 2497278366Sadrianstatic void 2498278366Sadrianwpi_fatal_intr(struct wpi_softc *sc) 2499278366Sadrian{ 2500278366Sadrian struct wpi_fw_dump dump; 2501278366Sadrian uint32_t i, offset, count; 2502278366Sadrian 2503278366Sadrian /* Check that the error log address is valid. */ 2504278366Sadrian if (sc->errptr < WPI_FW_DATA_BASE || 2505278366Sadrian sc->errptr + sizeof (dump) > 2506278366Sadrian WPI_FW_DATA_BASE + WPI_FW_DATA_MAXSZ) { 2507278366Sadrian printf("%s: bad firmware error log address 0x%08x\n", __func__, 2508278366Sadrian sc->errptr); 2509280059Sadrian return; 2510280059Sadrian } 2511278366Sadrian if (wpi_nic_lock(sc) != 0) { 2512278366Sadrian printf("%s: could not read firmware error log\n", __func__); 2513280059Sadrian return; 2514280059Sadrian } 2515278366Sadrian /* Read number of entries in the log. */ 2516278366Sadrian count = wpi_mem_read(sc, sc->errptr); 2517278366Sadrian if (count == 0 || count * sizeof (dump) > WPI_FW_DATA_MAXSZ) { 2518278366Sadrian printf("%s: invalid count field (count = %u)\n", __func__, 2519278366Sadrian count); 2520278366Sadrian wpi_nic_unlock(sc); 2521278366Sadrian return; 2522173362Sbenjsc } 2523278366Sadrian /* Skip "count" field. */ 2524278366Sadrian offset = sc->errptr + sizeof (uint32_t); 2525278366Sadrian printf("firmware error log (count = %u):\n", count); 2526278366Sadrian for (i = 0; i < count; i++) { 2527278366Sadrian wpi_mem_read_region_4(sc, offset, (uint32_t *)&dump, 2528278366Sadrian sizeof (dump) / sizeof (uint32_t)); 2529173362Sbenjsc 2530278366Sadrian printf(" error type = \"%s\" (0x%08X)\n", 2531282396Sadrian (dump.desc < nitems(wpi_fw_errmsg)) ? 2532278366Sadrian wpi_fw_errmsg[dump.desc] : "UNKNOWN", 2533278366Sadrian dump.desc); 2534278366Sadrian printf(" error data = 0x%08X\n", 2535278366Sadrian dump.data); 2536278366Sadrian printf(" branch link = 0x%08X%08X\n", 2537278366Sadrian dump.blink[0], dump.blink[1]); 2538278366Sadrian printf(" interrupt link = 0x%08X%08X\n", 2539278366Sadrian dump.ilink[0], dump.ilink[1]); 2540278366Sadrian printf(" time = %u\n", dump.time); 2541278366Sadrian 2542278366Sadrian offset += sizeof (dump); 2543278366Sadrian } 2544278366Sadrian wpi_nic_unlock(sc); 2545278366Sadrian /* Dump driver status (TX and RX rings) while we're here. */ 2546278366Sadrian printf("driver status:\n"); 2547280071Sadrian WPI_TXQ_LOCK(sc); 2548280058Sadrian for (i = 0; i < WPI_DRV_NTXQUEUES; i++) { 2549278366Sadrian struct wpi_tx_ring *ring = &sc->txq[i]; 2550278366Sadrian printf(" tx ring %2d: qid=%-2d cur=%-3d queued=%-3d\n", 2551278366Sadrian i, ring->qid, ring->cur, ring->queued); 2552278366Sadrian } 2553280071Sadrian WPI_TXQ_UNLOCK(sc); 2554278366Sadrian printf(" rx ring: cur=%d\n", sc->rxq.cur); 2555173362Sbenjsc} 2556173362Sbenjsc 2557173362Sbenjscstatic void 2558173362Sbenjscwpi_intr(void *arg) 2559173362Sbenjsc{ 2560173362Sbenjsc struct wpi_softc *sc = arg; 2561286437Sadrian struct ifnet *ifp = sc->sc_ifp; 2562278366Sadrian uint32_t r1, r2; 2563173362Sbenjsc 2564173362Sbenjsc WPI_LOCK(sc); 2565173362Sbenjsc 2566278366Sadrian /* Disable interrupts. */ 2567278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 2568278366Sadrian 2569278366Sadrian r1 = WPI_READ(sc, WPI_INT); 2570278366Sadrian 2571280065Sadrian if (r1 == 0xffffffff || (r1 & 0xfffffff0) == 0xa5a5a5a0) 2572280065Sadrian goto end; /* Hardware gone! */ 2573173362Sbenjsc 2574278366Sadrian r2 = WPI_READ(sc, WPI_FH_INT); 2575173362Sbenjsc 2576278366Sadrian DPRINTF(sc, WPI_DEBUG_INTR, "%s: reg1=0x%08x reg2=0x%08x\n", __func__, 2577278366Sadrian r1, r2); 2578278366Sadrian 2579278366Sadrian if (r1 == 0 && r2 == 0) 2580278366Sadrian goto done; /* Interrupt not for us. */ 2581278366Sadrian 2582278366Sadrian /* Acknowledge interrupts. */ 2583278366Sadrian WPI_WRITE(sc, WPI_INT, r1); 2584278366Sadrian WPI_WRITE(sc, WPI_FH_INT, r2); 2585278366Sadrian 2586278366Sadrian if (r1 & (WPI_INT_SW_ERR | WPI_INT_HW_ERR)) { 2587173362Sbenjsc device_printf(sc->sc_dev, "fatal firmware error\n"); 2588280093Sadrian#ifdef WPI_DEBUG 2589280093Sadrian wpi_debug_registers(sc); 2590280093Sadrian#endif 2591278366Sadrian wpi_fatal_intr(sc); 2592278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 2593278366Sadrian "(%s)\n", (r1 & WPI_INT_SW_ERR) ? "(Software Error)" : 2594278366Sadrian "(Hardware Error)"); 2595280120Sadrian taskqueue_enqueue(sc->sc_tq, &sc->sc_reinittask); 2596280065Sadrian goto end; 2597173362Sbenjsc } 2598173362Sbenjsc 2599278366Sadrian if ((r1 & (WPI_INT_FH_RX | WPI_INT_SW_RX)) || 2600278366Sadrian (r2 & WPI_FH_INT_RX)) 2601173362Sbenjsc wpi_notif_intr(sc); 2602173362Sbenjsc 2603278366Sadrian if (r1 & WPI_INT_ALIVE) 2604278366Sadrian wakeup(sc); /* Firmware is alive. */ 2605173362Sbenjsc 2606278366Sadrian if (r1 & WPI_INT_WAKEUP) 2607278366Sadrian wpi_wakeup_intr(sc); 2608173362Sbenjsc 2609278366Sadriandone: 2610278366Sadrian /* Re-enable interrupts. */ 2611286437Sadrian if (ifp->if_flags & IFF_UP) 2612278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 2613278366Sadrian 2614280065Sadrianend: WPI_UNLOCK(sc); 2615173362Sbenjsc} 2616173362Sbenjsc 2617278366Sadrianstatic int 2618278366Sadrianwpi_cmd2(struct wpi_softc *sc, struct wpi_buf *buf) 2619173362Sbenjsc{ 2620286437Sadrian struct ifnet *ifp = sc->sc_ifp; 2621278366Sadrian struct ieee80211_frame *wh; 2622278366Sadrian struct wpi_tx_cmd *cmd; 2623278366Sadrian struct wpi_tx_data *data; 2624278366Sadrian struct wpi_tx_desc *desc; 2625278366Sadrian struct wpi_tx_ring *ring; 2626278366Sadrian struct mbuf *m1; 2627278366Sadrian bus_dma_segment_t *seg, segs[WPI_MAX_SCATTER]; 2628279763Sadrian int error, i, hdrlen, nsegs, totlen, pad; 2629173362Sbenjsc 2630280071Sadrian WPI_TXQ_LOCK(sc); 2631280071Sadrian 2632280082Sadrian KASSERT(buf->size <= sizeof(buf->data), ("buffer overflow")); 2633280082Sadrian 2634278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2635278366Sadrian 2636286437Sadrian if (sc->txq_active == 0) { 2637280071Sadrian /* wpi_stop() was called */ 2638280071Sadrian error = ENETDOWN; 2639280071Sadrian goto fail; 2640280071Sadrian } 2641280071Sadrian 2642278366Sadrian wh = mtod(buf->m, struct ieee80211_frame *); 2643279763Sadrian hdrlen = ieee80211_anyhdrsize(wh); 2644278366Sadrian totlen = buf->m->m_pkthdr.len; 2645278366Sadrian 2646279763Sadrian if (hdrlen & 3) { 2647279763Sadrian /* First segment length must be a multiple of 4. */ 2648279763Sadrian pad = 4 - (hdrlen & 3); 2649279763Sadrian } else 2650279763Sadrian pad = 0; 2651279763Sadrian 2652278366Sadrian ring = &sc->txq[buf->ac]; 2653278366Sadrian desc = &ring->desc[ring->cur]; 2654278366Sadrian data = &ring->data[ring->cur]; 2655278366Sadrian 2656278366Sadrian /* Prepare TX firmware command. */ 2657278366Sadrian cmd = &ring->cmd[ring->cur]; 2658278366Sadrian cmd->code = buf->code; 2659278366Sadrian cmd->flags = 0; 2660278366Sadrian cmd->qid = ring->qid; 2661278366Sadrian cmd->idx = ring->cur; 2662278366Sadrian 2663278366Sadrian memcpy(cmd->data, buf->data, buf->size); 2664278366Sadrian 2665278366Sadrian /* Save and trim IEEE802.11 header. */ 2666279763Sadrian memcpy((uint8_t *)(cmd->data + buf->size), wh, hdrlen); 2667279763Sadrian m_adj(buf->m, hdrlen); 2668278366Sadrian 2669278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, buf->m, 2670278366Sadrian segs, &nsegs, BUS_DMA_NOWAIT); 2671278366Sadrian if (error != 0 && error != EFBIG) { 2672278366Sadrian device_printf(sc->sc_dev, 2673278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, error); 2674280071Sadrian goto fail; 2675173362Sbenjsc } 2676278366Sadrian if (error != 0) { 2677278366Sadrian /* Too many DMA segments, linearize mbuf. */ 2678280050Sadrian m1 = m_collapse(buf->m, M_NOWAIT, WPI_MAX_SCATTER - 1); 2679278366Sadrian if (m1 == NULL) { 2680278366Sadrian device_printf(sc->sc_dev, 2681278366Sadrian "%s: could not defrag mbuf\n", __func__); 2682280071Sadrian error = ENOBUFS; 2683280071Sadrian goto fail; 2684278366Sadrian } 2685278366Sadrian buf->m = m1; 2686278366Sadrian 2687278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, 2688278366Sadrian buf->m, segs, &nsegs, BUS_DMA_NOWAIT); 2689278366Sadrian if (error != 0) { 2690278366Sadrian device_printf(sc->sc_dev, 2691280066Sadrian "%s: can't map mbuf (error %d)\n", __func__, 2692280066Sadrian error); 2693280071Sadrian goto fail; 2694278366Sadrian } 2695278366Sadrian } 2696278366Sadrian 2697280050Sadrian KASSERT(nsegs < WPI_MAX_SCATTER, 2698280050Sadrian ("too many DMA segments, nsegs (%d) should be less than %d", 2699280050Sadrian nsegs, WPI_MAX_SCATTER)); 2700280050Sadrian 2701278366Sadrian data->m = buf->m; 2702278366Sadrian data->ni = buf->ni; 2703278366Sadrian 2704278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: qid %d idx %d len %d nsegs %d\n", 2705278366Sadrian __func__, ring->qid, ring->cur, totlen, nsegs); 2706278366Sadrian 2707278366Sadrian /* Fill TX descriptor. */ 2708279763Sadrian desc->nsegs = WPI_PAD32(totlen + pad) << 4 | (1 + nsegs); 2709278366Sadrian /* First DMA segment is used by the TX command. */ 2710278366Sadrian desc->segs[0].addr = htole32(data->cmd_paddr); 2711279763Sadrian desc->segs[0].len = htole32(4 + buf->size + hdrlen + pad); 2712278366Sadrian /* Other DMA segments are for data payload. */ 2713278366Sadrian seg = &segs[0]; 2714278366Sadrian for (i = 1; i <= nsegs; i++) { 2715278366Sadrian desc->segs[i].addr = htole32(seg->ds_addr); 2716278366Sadrian desc->segs[i].len = htole32(seg->ds_len); 2717278366Sadrian seg++; 2718278366Sadrian } 2719278366Sadrian 2720278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); 2721278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2722278366Sadrian BUS_DMASYNC_PREWRITE); 2723278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2724278366Sadrian BUS_DMASYNC_PREWRITE); 2725278366Sadrian 2726278366Sadrian /* Kick TX ring. */ 2727278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2728282400Sadrian sc->sc_update_tx_ring(sc, ring); 2729278366Sadrian 2730280075Sadrian if (ring->qid < WPI_CMD_QUEUE_NUM) { 2731280075Sadrian /* Mark TX ring as full if we reach a certain threshold. */ 2732280112Sadrian WPI_TXQ_STATE_LOCK(sc); 2733286437Sadrian if (++ring->queued > WPI_TX_RING_HIMARK) { 2734280075Sadrian sc->qfullmsk |= 1 << ring->qid; 2735286437Sadrian 2736286437Sadrian IF_LOCK(&ifp->if_snd); 2737286437Sadrian ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2738286437Sadrian IF_UNLOCK(&ifp->if_snd); 2739286437Sadrian } 2740286437Sadrian 2741280109Sadrian callout_reset(&sc->tx_timeout, 5*hz, wpi_tx_timeout, sc); 2742280112Sadrian WPI_TXQ_STATE_UNLOCK(sc); 2743280075Sadrian } 2744280074Sadrian 2745278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2746278366Sadrian 2747280071Sadrian WPI_TXQ_UNLOCK(sc); 2748280071Sadrian 2749278366Sadrian return 0; 2750280071Sadrian 2751280071Sadrianfail: m_freem(buf->m); 2752280071Sadrian 2753280071Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2754280071Sadrian 2755280071Sadrian WPI_TXQ_UNLOCK(sc); 2756280071Sadrian 2757280071Sadrian return error; 2758173362Sbenjsc} 2759173362Sbenjsc 2760173362Sbenjsc/* 2761278366Sadrian * Construct the data packet for a transmit buffer. 2762173362Sbenjsc */ 2763173362Sbenjscstatic int 2764278366Sadrianwpi_tx_data(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2765173362Sbenjsc{ 2766278366Sadrian const struct ieee80211_txparam *tp; 2767178354Ssam struct ieee80211vap *vap = ni->ni_vap; 2768278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2769280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 2770278366Sadrian struct ieee80211_channel *chan; 2771173362Sbenjsc struct ieee80211_frame *wh; 2772278366Sadrian struct ieee80211_key *k = NULL; 2773278366Sadrian struct wpi_buf tx_data; 2774280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2775278366Sadrian uint32_t flags; 2776278366Sadrian uint16_t qos; 2777278366Sadrian uint8_t tid, type; 2778280068Sadrian int ac, error, swcrypt, rate, ismcast, totlen; 2779173362Sbenjsc 2780278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2781278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2782278366Sadrian ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 2783173362Sbenjsc 2784278366Sadrian /* Select EDCA Access Category and TX ring for this frame. */ 2785278366Sadrian if (IEEE80211_QOS_HAS_SEQ(wh)) { 2786282391Sadrian qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 2787278366Sadrian tid = qos & IEEE80211_QOS_TID; 2788278366Sadrian } else { 2789278366Sadrian qos = 0; 2790278366Sadrian tid = 0; 2791280059Sadrian } 2792278366Sadrian ac = M_WME_GETAC(m); 2793173362Sbenjsc 2794278366Sadrian chan = (ni->ni_chan != IEEE80211_CHAN_ANYC) ? 2795278366Sadrian ni->ni_chan : ic->ic_curchan; 2796278366Sadrian tp = &vap->iv_txparms[ieee80211_chan2mode(chan)]; 2797173362Sbenjsc 2798278366Sadrian /* Choose a TX rate index. */ 2799278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) 2800278366Sadrian rate = tp->mgmtrate; 2801278366Sadrian else if (ismcast) 2802278366Sadrian rate = tp->mcastrate; 2803278366Sadrian else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2804278366Sadrian rate = tp->ucastrate; 2805278366Sadrian else if (m->m_flags & M_EAPOL) 2806278366Sadrian rate = tp->mgmtrate; 2807278366Sadrian else { 2808278366Sadrian /* XXX pass pktlen */ 2809278366Sadrian (void) ieee80211_ratectl_rate(ni, NULL, 0); 2810278366Sadrian rate = ni->ni_txrate; 2811278366Sadrian } 2812278366Sadrian 2813278366Sadrian /* Encrypt the frame if need be. */ 2814260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2815278366Sadrian /* Retrieve key for TX. */ 2816278366Sadrian k = ieee80211_crypto_encap(ni, m); 2817177043Sthompsa if (k == NULL) { 2818278366Sadrian error = ENOBUFS; 2819278366Sadrian goto fail; 2820173362Sbenjsc } 2821280068Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2822280068Sadrian 2823278366Sadrian /* 802.11 header may have moved. */ 2824278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2825173362Sbenjsc } 2826279763Sadrian totlen = m->m_pkthdr.len; 2827173362Sbenjsc 2828278366Sadrian if (ieee80211_radiotap_active_vap(vap)) { 2829278366Sadrian struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2830173362Sbenjsc 2831279763Sadrian tap->wt_flags = 0; 2832278366Sadrian tap->wt_rate = rate; 2833278366Sadrian if (k != NULL) 2834278366Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2835173362Sbenjsc 2836278366Sadrian ieee80211_radiotap_tx(vap, m); 2837278366Sadrian } 2838278366Sadrian 2839278366Sadrian flags = 0; 2840177119Ssam if (!ismcast) { 2841278366Sadrian /* Unicast frame, check if an ACK is expected. */ 2842278366Sadrian if (!qos || (qos & IEEE80211_QOS_ACKPOLICY) != 2843278366Sadrian IEEE80211_QOS_ACKPOLICY_NOACK) 2844278366Sadrian flags |= WPI_TX_NEED_ACK; 2845278366Sadrian } 2846278366Sadrian 2847282399Sadrian if (!IEEE80211_QOS_HAS_SEQ(wh)) 2848282399Sadrian flags |= WPI_TX_AUTO_SEQ; 2849278764Sadrian if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) 2850278764Sadrian flags |= WPI_TX_MORE_FRAG; /* Cannot happen yet. */ 2851278764Sadrian 2852278366Sadrian /* Check if frame must be protected using RTS/CTS or CTS-to-self. */ 2853278366Sadrian if (!ismcast) { 2854278366Sadrian /* NB: Group frames are sent using CCK in 802.11b/g. */ 2855278366Sadrian if (totlen + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) { 2856278366Sadrian flags |= WPI_TX_NEED_RTS; 2857278366Sadrian } else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2858278366Sadrian WPI_RATE_IS_OFDM(rate)) { 2859278366Sadrian if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2860278366Sadrian flags |= WPI_TX_NEED_CTS; 2861278366Sadrian else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2862278366Sadrian flags |= WPI_TX_NEED_RTS; 2863177043Sthompsa } 2864278366Sadrian 2865278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2866278366Sadrian flags |= WPI_TX_FULL_TXOP; 2867173362Sbenjsc } 2868278366Sadrian 2869280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2870278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2871173362Sbenjsc uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2872278366Sadrian 2873278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2874173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2875278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2876173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2877177043Sthompsa subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2878280082Sadrian tx->timeout = htole16(3); 2879173362Sbenjsc else 2880280082Sadrian tx->timeout = htole16(2); 2881177043Sthompsa } 2882173362Sbenjsc 2883278366Sadrian if (ismcast || type != IEEE80211_FC0_TYPE_DATA) 2884280082Sadrian tx->id = WPI_ID_BROADCAST; 2885278366Sadrian else { 2886278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 2887278366Sadrian device_printf(sc->sc_dev, 2888278366Sadrian "%s: undefined node id\n", __func__); 2889278366Sadrian error = EINVAL; 2890278366Sadrian goto fail; 2891278366Sadrian } 2892278366Sadrian 2893280082Sadrian tx->id = wn->id; 2894278366Sadrian } 2895278366Sadrian 2896280068Sadrian if (k != NULL && !swcrypt) { 2897280068Sadrian switch (k->wk_cipher->ic_cipher) { 2898280068Sadrian case IEEE80211_CIPHER_AES_CCM: 2899280082Sadrian tx->security = WPI_CIPHER_CCMP; 2900280068Sadrian break; 2901280068Sadrian 2902280068Sadrian default: 2903280068Sadrian break; 2904280068Sadrian } 2905280068Sadrian 2906280082Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 2907280068Sadrian } 2908280068Sadrian 2909280082Sadrian tx->len = htole16(totlen); 2910280082Sadrian tx->flags = htole32(flags); 2911280082Sadrian tx->plcp = rate2plcp(rate); 2912280082Sadrian tx->tid = tid; 2913280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 2914280082Sadrian tx->ofdm_mask = 0xff; 2915280082Sadrian tx->cck_mask = 0x0f; 2916280082Sadrian tx->rts_ntries = 7; 2917282373Sadrian tx->data_ntries = tp->maxretry; 2918278366Sadrian 2919278366Sadrian tx_data.ni = ni; 2920278366Sadrian tx_data.m = m; 2921280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 2922278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2923278366Sadrian tx_data.ac = ac; 2924278366Sadrian 2925278366Sadrian return wpi_cmd2(sc, &tx_data); 2926278366Sadrian 2927278366Sadrianfail: m_freem(m); 2928278366Sadrian return error; 2929278366Sadrian} 2930278366Sadrian 2931278366Sadrianstatic int 2932280066Sadrianwpi_tx_data_raw(struct wpi_softc *sc, struct mbuf *m, 2933280066Sadrian struct ieee80211_node *ni, const struct ieee80211_bpf_params *params) 2934278366Sadrian{ 2935278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 2936280087Sadrian struct ieee80211_key *k = NULL; 2937278366Sadrian struct ieee80211_frame *wh; 2938278366Sadrian struct wpi_buf tx_data; 2939280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2940278366Sadrian uint32_t flags; 2941278366Sadrian uint8_t type; 2942280087Sadrian int ac, rate, swcrypt, totlen; 2943278366Sadrian 2944278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2945278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2946278366Sadrian 2947278366Sadrian ac = params->ibp_pri & 3; 2948278366Sadrian 2949278366Sadrian /* Choose a TX rate index. */ 2950278366Sadrian rate = params->ibp_rate0; 2951278366Sadrian 2952278366Sadrian flags = 0; 2953282399Sadrian if (!IEEE80211_QOS_HAS_SEQ(wh)) 2954282399Sadrian flags |= WPI_TX_AUTO_SEQ; 2955278366Sadrian if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2956278366Sadrian flags |= WPI_TX_NEED_ACK; 2957278366Sadrian if (params->ibp_flags & IEEE80211_BPF_RTS) 2958278366Sadrian flags |= WPI_TX_NEED_RTS; 2959278366Sadrian if (params->ibp_flags & IEEE80211_BPF_CTS) 2960278366Sadrian flags |= WPI_TX_NEED_CTS; 2961278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2962278366Sadrian flags |= WPI_TX_FULL_TXOP; 2963278366Sadrian 2964280087Sadrian /* Encrypt the frame if need be. */ 2965280087Sadrian if (params->ibp_flags & IEEE80211_BPF_CRYPTO) { 2966280087Sadrian /* Retrieve key for TX. */ 2967280087Sadrian k = ieee80211_crypto_encap(ni, m); 2968280087Sadrian if (k == NULL) { 2969280087Sadrian m_freem(m); 2970280087Sadrian return ENOBUFS; 2971280087Sadrian } 2972280087Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2973280087Sadrian 2974280087Sadrian /* 802.11 header may have moved. */ 2975280087Sadrian wh = mtod(m, struct ieee80211_frame *); 2976280087Sadrian } 2977280087Sadrian totlen = m->m_pkthdr.len; 2978280087Sadrian 2979192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2980177043Sthompsa struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2981278366Sadrian 2982177043Sthompsa tap->wt_flags = 0; 2983177043Sthompsa tap->wt_rate = rate; 2984280087Sadrian if (params->ibp_flags & IEEE80211_BPF_CRYPTO) 2985280087Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2986178354Ssam 2987278366Sadrian ieee80211_radiotap_tx(vap, m); 2988177043Sthompsa } 2989173362Sbenjsc 2990280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2991278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2992278366Sadrian uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2993173362Sbenjsc 2994278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2995278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2996278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2997278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2998278366Sadrian subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2999280082Sadrian tx->timeout = htole16(3); 3000278366Sadrian else 3001280082Sadrian tx->timeout = htole16(2); 3002173362Sbenjsc } 3003173362Sbenjsc 3004280087Sadrian if (k != NULL && !swcrypt) { 3005280087Sadrian switch (k->wk_cipher->ic_cipher) { 3006280087Sadrian case IEEE80211_CIPHER_AES_CCM: 3007280087Sadrian tx->security = WPI_CIPHER_CCMP; 3008280087Sadrian break; 3009280087Sadrian 3010280087Sadrian default: 3011280087Sadrian break; 3012280087Sadrian } 3013280087Sadrian 3014280087Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 3015280087Sadrian } 3016280087Sadrian 3017280082Sadrian tx->len = htole16(totlen); 3018280082Sadrian tx->flags = htole32(flags); 3019280082Sadrian tx->plcp = rate2plcp(rate); 3020280082Sadrian tx->id = WPI_ID_BROADCAST; 3021280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 3022280082Sadrian tx->rts_ntries = params->ibp_try1; 3023280082Sadrian tx->data_ntries = params->ibp_try0; 3024278366Sadrian 3025278366Sadrian tx_data.ni = ni; 3026278366Sadrian tx_data.m = m; 3027280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 3028278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 3029278366Sadrian tx_data.ac = ac; 3030278366Sadrian 3031278366Sadrian return wpi_cmd2(sc, &tx_data); 3032278366Sadrian} 3033278366Sadrian 3034278366Sadrianstatic int 3035278366Sadrianwpi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 3036278366Sadrian const struct ieee80211_bpf_params *params) 3037278366Sadrian{ 3038278366Sadrian struct ieee80211com *ic = ni->ni_ic; 3039286437Sadrian struct ifnet *ifp = ic->ic_ifp; 3040286437Sadrian struct wpi_softc *sc = ifp->if_softc; 3041286437Sadrian int error = 0; 3042278366Sadrian 3043278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3044278366Sadrian 3045286437Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 3046286437Sadrian ieee80211_free_node(ni); 3047278366Sadrian m_freem(m); 3048286437Sadrian return ENETDOWN; 3049173362Sbenjsc } 3050173362Sbenjsc 3051286437Sadrian WPI_TX_LOCK(sc); 3052278366Sadrian if (params == NULL) { 3053278366Sadrian /* 3054278366Sadrian * Legacy path; interpret frame contents to decide 3055278366Sadrian * precisely how to send the frame. 3056278366Sadrian */ 3057278366Sadrian error = wpi_tx_data(sc, m, ni); 3058278366Sadrian } else { 3059278366Sadrian /* 3060278366Sadrian * Caller supplied explicit parameters to use in 3061278366Sadrian * sending the frame. 3062278366Sadrian */ 3063278366Sadrian error = wpi_tx_data_raw(sc, m, ni, params); 3064278366Sadrian } 3065286437Sadrian WPI_TX_UNLOCK(sc); 3066173362Sbenjsc 3067286437Sadrian if (error != 0) { 3068286437Sadrian /* NB: m is reclaimed on tx failure */ 3069286437Sadrian ieee80211_free_node(ni); 3070286437Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 3071286410Sglebius 3072278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3073278366Sadrian 3074278366Sadrian return error; 3075173362Sbenjsc } 3076173362Sbenjsc 3077278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3078173362Sbenjsc 3079173362Sbenjsc return 0; 3080173362Sbenjsc} 3081173362Sbenjsc 3082286437Sadrian/** 3083286437Sadrian * Process data waiting to be sent on the IFNET output queue 3084286437Sadrian */ 3085286437Sadrianstatic void 3086286437Sadrianwpi_start(struct ifnet *ifp) 3087173362Sbenjsc{ 3088286437Sadrian struct wpi_softc *sc = ifp->if_softc; 3089173362Sbenjsc struct ieee80211_node *ni; 3090286437Sadrian struct mbuf *m; 3091173362Sbenjsc 3092280113Sadrian WPI_TX_LOCK(sc); 3093278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: called\n", __func__); 3094278366Sadrian 3095286437Sadrian for (;;) { 3096286437Sadrian IF_LOCK(&ifp->if_snd); 3097286437Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 || 3098286437Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) { 3099286437Sadrian IF_UNLOCK(&ifp->if_snd); 3100286437Sadrian break; 3101286437Sadrian } 3102286437Sadrian IF_UNLOCK(&ifp->if_snd); 3103280110Sadrian 3104286437Sadrian IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 3105286437Sadrian if (m == NULL) 3106286437Sadrian break; 3107286437Sadrian ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 3108286437Sadrian if (wpi_tx_data(sc, m, ni) != 0) { 3109286437Sadrian ieee80211_free_node(ni); 3110286437Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 3111286437Sadrian } 3112178354Ssam } 3113278366Sadrian 3114278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: done\n", __func__); 3115286437Sadrian WPI_TX_UNLOCK(sc); 3116178354Ssam} 3117173362Sbenjsc 3118278366Sadrianstatic void 3119286437Sadrianwpi_start_task(void *arg0, int pending) 3120280078Sadrian{ 3121280078Sadrian struct wpi_softc *sc = arg0; 3122286437Sadrian struct ifnet *ifp = sc->sc_ifp; 3123280078Sadrian 3124286437Sadrian wpi_start(ifp); 3125280078Sadrian} 3126280078Sadrian 3127280078Sadrianstatic void 3128278366Sadrianwpi_watchdog_rfkill(void *arg) 3129178354Ssam{ 3130278366Sadrian struct wpi_softc *sc = arg; 3131286437Sadrian struct ifnet *ifp = sc->sc_ifp; 3132286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 3133173362Sbenjsc 3134278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "RFkill Watchdog: tick\n"); 3135278366Sadrian 3136278366Sadrian /* No need to lock firmware memory. */ 3137278366Sadrian if ((wpi_prph_read(sc, WPI_APMG_RFKILL) & 0x1) == 0) { 3138278366Sadrian /* Radio kill switch is still off. */ 3139278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 3140278366Sadrian sc); 3141278366Sadrian } else 3142278366Sadrian ieee80211_runtask(ic, &sc->sc_radioon_task); 3143278366Sadrian} 3144278366Sadrian 3145280106Sadrianstatic void 3146280106Sadrianwpi_scan_timeout(void *arg) 3147280106Sadrian{ 3148280106Sadrian struct wpi_softc *sc = arg; 3149286437Sadrian struct ifnet *ifp = sc->sc_ifp; 3150280106Sadrian 3151286437Sadrian if_printf(ifp, "scan timeout\n"); 3152280120Sadrian taskqueue_enqueue(sc->sc_tq, &sc->sc_reinittask); 3153280106Sadrian} 3154280106Sadrian 3155278366Sadrianstatic void 3156280109Sadrianwpi_tx_timeout(void *arg) 3157278366Sadrian{ 3158278366Sadrian struct wpi_softc *sc = arg; 3159286437Sadrian struct ifnet *ifp = sc->sc_ifp; 3160278366Sadrian 3161286437Sadrian if_printf(ifp, "device timeout\n"); 3162286437Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 3163280120Sadrian taskqueue_enqueue(sc->sc_tq, &sc->sc_reinittask); 3164173362Sbenjsc} 3165173362Sbenjsc 3166286437Sadrianstatic int 3167286437Sadrianwpi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3168173362Sbenjsc{ 3169286437Sadrian struct wpi_softc *sc = ifp->if_softc; 3170286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 3171278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3172286437Sadrian struct ifreq *ifr = (struct ifreq *) data; 3173286437Sadrian int error = 0; 3174173362Sbenjsc 3175286437Sadrian switch (cmd) { 3176286437Sadrian case SIOCGIFADDR: 3177286437Sadrian error = ether_ioctl(ifp, cmd, data); 3178286437Sadrian break; 3179286437Sadrian case SIOCSIFFLAGS: 3180286437Sadrian if (ifp->if_flags & IFF_UP) { 3181286437Sadrian wpi_init(sc); 3182286437Sadrian 3183286437Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 && 3184286437Sadrian vap != NULL) 3185286437Sadrian ieee80211_stop(vap); 3186286437Sadrian } else if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) 3187286437Sadrian wpi_stop(sc); 3188286437Sadrian break; 3189286437Sadrian case SIOCGIFMEDIA: 3190286437Sadrian error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 3191286437Sadrian break; 3192286437Sadrian default: 3193286437Sadrian error = EINVAL; 3194286437Sadrian break; 3195286437Sadrian } 3196286437Sadrian return error; 3197173362Sbenjsc} 3198173362Sbenjsc 3199173362Sbenjsc/* 3200173362Sbenjsc * Send a command to the firmware. 3201173362Sbenjsc */ 3202173362Sbenjscstatic int 3203278366Sadrianwpi_cmd(struct wpi_softc *sc, int code, const void *buf, size_t size, 3204278366Sadrian int async) 3205173362Sbenjsc{ 3206280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 3207173362Sbenjsc struct wpi_tx_desc *desc; 3208278366Sadrian struct wpi_tx_data *data; 3209173362Sbenjsc struct wpi_tx_cmd *cmd; 3210278366Sadrian struct mbuf *m; 3211278366Sadrian bus_addr_t paddr; 3212278366Sadrian int totlen, error; 3213173362Sbenjsc 3214280071Sadrian WPI_TXQ_LOCK(sc); 3215280071Sadrian 3216278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3217278366Sadrian 3218286437Sadrian if (sc->txq_active == 0) { 3219280071Sadrian /* wpi_stop() was called */ 3220286437Sadrian error = 0; 3221280071Sadrian goto fail; 3222280071Sadrian } 3223280071Sadrian 3224278366Sadrian if (async == 0) 3225173362Sbenjsc WPI_LOCK_ASSERT(sc); 3226173362Sbenjsc 3227280101Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "%s: cmd %s size %zu async %d\n", 3228280101Sadrian __func__, wpi_cmd_str(code), size, async); 3229173362Sbenjsc 3230173362Sbenjsc desc = &ring->desc[ring->cur]; 3231278366Sadrian data = &ring->data[ring->cur]; 3232278366Sadrian totlen = 4 + size; 3233173362Sbenjsc 3234278366Sadrian if (size > sizeof cmd->data) { 3235278366Sadrian /* Command is too large to fit in a descriptor. */ 3236280071Sadrian if (totlen > MCLBYTES) { 3237280071Sadrian error = EINVAL; 3238280071Sadrian goto fail; 3239280071Sadrian } 3240278366Sadrian m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 3241280071Sadrian if (m == NULL) { 3242280071Sadrian error = ENOMEM; 3243280071Sadrian goto fail; 3244280071Sadrian } 3245278366Sadrian cmd = mtod(m, struct wpi_tx_cmd *); 3246278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, cmd, 3247278366Sadrian totlen, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 3248278366Sadrian if (error != 0) { 3249278366Sadrian m_freem(m); 3250280071Sadrian goto fail; 3251278366Sadrian } 3252278366Sadrian data->m = m; 3253278366Sadrian } else { 3254278366Sadrian cmd = &ring->cmd[ring->cur]; 3255278366Sadrian paddr = data->cmd_paddr; 3256278366Sadrian } 3257278366Sadrian 3258173362Sbenjsc cmd->code = code; 3259173362Sbenjsc cmd->flags = 0; 3260173362Sbenjsc cmd->qid = ring->qid; 3261173362Sbenjsc cmd->idx = ring->cur; 3262173362Sbenjsc memcpy(cmd->data, buf, size); 3263173362Sbenjsc 3264278366Sadrian desc->nsegs = 1 + (WPI_PAD32(size) << 4); 3265278366Sadrian desc->segs[0].addr = htole32(paddr); 3266278366Sadrian desc->segs[0].len = htole32(totlen); 3267173362Sbenjsc 3268278366Sadrian if (size > sizeof cmd->data) { 3269278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 3270278366Sadrian BUS_DMASYNC_PREWRITE); 3271278366Sadrian } else { 3272278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 3273278366Sadrian BUS_DMASYNC_PREWRITE); 3274278366Sadrian } 3275278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 3276278366Sadrian BUS_DMASYNC_PREWRITE); 3277173362Sbenjsc 3278278366Sadrian /* Kick command ring. */ 3279278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 3280282400Sadrian sc->sc_update_tx_ring(sc, ring); 3281278366Sadrian 3282278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3283278366Sadrian 3284280071Sadrian WPI_TXQ_UNLOCK(sc); 3285280071Sadrian 3286286437Sadrian if (async) 3287286437Sadrian return 0; 3288173362Sbenjsc 3289286437Sadrian return mtx_sleep(cmd, &sc->sc_mtx, PCATCH, "wpicmd", hz); 3290286437Sadrian 3291280071Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3292280071Sadrian 3293280071Sadrian WPI_TXQ_UNLOCK(sc); 3294280071Sadrian 3295280071Sadrian return error; 3296173362Sbenjsc} 3297173362Sbenjsc 3298173362Sbenjsc/* 3299278366Sadrian * Configure HW multi-rate retries. 3300173362Sbenjsc */ 3301173362Sbenjscstatic int 3302173362Sbenjscwpi_mrr_setup(struct wpi_softc *sc) 3303173362Sbenjsc{ 3304286437Sadrian struct ifnet *ifp = sc->sc_ifp; 3305286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 3306173362Sbenjsc struct wpi_mrr_setup mrr; 3307173362Sbenjsc int i, error; 3308173362Sbenjsc 3309278366Sadrian /* CCK rates (not used with 802.11a). */ 3310278366Sadrian for (i = WPI_RIDX_CCK1; i <= WPI_RIDX_CCK11; i++) { 3311173362Sbenjsc mrr.rates[i].flags = 0; 3312278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3313278366Sadrian /* Fallback to the immediate lower CCK rate (if any.) */ 3314278366Sadrian mrr.rates[i].next = 3315278366Sadrian (i == WPI_RIDX_CCK1) ? WPI_RIDX_CCK1 : i - 1; 3316282369Sadrian /* Try twice at this rate before falling back to "next". */ 3317282369Sadrian mrr.rates[i].ntries = WPI_NTRIES_DEFAULT; 3318173362Sbenjsc } 3319278366Sadrian /* OFDM rates (not used with 802.11b). */ 3320278366Sadrian for (i = WPI_RIDX_OFDM6; i <= WPI_RIDX_OFDM54; i++) { 3321173362Sbenjsc mrr.rates[i].flags = 0; 3322278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3323278366Sadrian /* Fallback to the immediate lower rate (if any.) */ 3324278366Sadrian /* We allow fallback from OFDM/6 to CCK/2 in 11b/g mode. */ 3325278366Sadrian mrr.rates[i].next = (i == WPI_RIDX_OFDM6) ? 3326173362Sbenjsc ((ic->ic_curmode == IEEE80211_MODE_11A) ? 3327278366Sadrian WPI_RIDX_OFDM6 : WPI_RIDX_CCK2) : 3328173362Sbenjsc i - 1; 3329282369Sadrian /* Try twice at this rate before falling back to "next". */ 3330282369Sadrian mrr.rates[i].ntries = WPI_NTRIES_DEFAULT; 3331173362Sbenjsc } 3332278366Sadrian /* Setup MRR for control frames. */ 3333278366Sadrian mrr.which = htole32(WPI_MRR_CTL); 3334173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3335173362Sbenjsc if (error != 0) { 3336173362Sbenjsc device_printf(sc->sc_dev, 3337173362Sbenjsc "could not setup MRR for control frames\n"); 3338173362Sbenjsc return error; 3339173362Sbenjsc } 3340278366Sadrian /* Setup MRR for data frames. */ 3341278366Sadrian mrr.which = htole32(WPI_MRR_DATA); 3342173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3343173362Sbenjsc if (error != 0) { 3344173362Sbenjsc device_printf(sc->sc_dev, 3345173362Sbenjsc "could not setup MRR for data frames\n"); 3346173362Sbenjsc return error; 3347173362Sbenjsc } 3348173362Sbenjsc return 0; 3349173362Sbenjsc} 3350173362Sbenjsc 3351278366Sadrianstatic int 3352278366Sadrianwpi_add_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3353278366Sadrian{ 3354278366Sadrian struct ieee80211com *ic = ni->ni_ic; 3355280088Sadrian struct wpi_vap *wvp = WPI_VAP(ni->ni_vap); 3356280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3357278366Sadrian struct wpi_node_info node; 3358280088Sadrian int error; 3359278366Sadrian 3360278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3361278366Sadrian 3362278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 3363278366Sadrian return EINVAL; 3364278366Sadrian 3365278366Sadrian memset(&node, 0, sizeof node); 3366279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3367278366Sadrian node.id = wn->id; 3368278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3369278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3370278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3371278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3372278366Sadrian 3373280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: adding node %d (%s)\n", __func__, 3374280094Sadrian wn->id, ether_sprintf(ni->ni_macaddr)); 3375280094Sadrian 3376280088Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 3377280088Sadrian if (error != 0) { 3378280088Sadrian device_printf(sc->sc_dev, 3379280088Sadrian "%s: wpi_cmd() call failed with error code %d\n", __func__, 3380280088Sadrian error); 3381280088Sadrian return error; 3382280088Sadrian } 3383280088Sadrian 3384280088Sadrian if (wvp->wv_gtk != 0) { 3385280088Sadrian error = wpi_set_global_keys(ni); 3386280088Sadrian if (error != 0) { 3387280088Sadrian device_printf(sc->sc_dev, 3388280088Sadrian "%s: error while setting global keys\n", __func__); 3389280088Sadrian return ENXIO; 3390280088Sadrian } 3391280088Sadrian } 3392280088Sadrian 3393280088Sadrian return 0; 3394278366Sadrian} 3395278366Sadrian 3396278366Sadrian/* 3397278366Sadrian * Broadcast node is used to send group-addressed and management frames. 3398278366Sadrian */ 3399278366Sadrianstatic int 3400278366Sadrianwpi_add_broadcast_node(struct wpi_softc *sc, int async) 3401278366Sadrian{ 3402286437Sadrian struct ifnet *ifp = sc->sc_ifp; 3403286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 3404278366Sadrian struct wpi_node_info node; 3405278366Sadrian 3406278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3407278366Sadrian 3408278366Sadrian memset(&node, 0, sizeof node); 3409286437Sadrian IEEE80211_ADDR_COPY(node.macaddr, ifp->if_broadcastaddr); 3410278366Sadrian node.id = WPI_ID_BROADCAST; 3411278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3412278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3413278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3414278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3415278366Sadrian 3416280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: adding broadcast node\n", __func__); 3417280094Sadrian 3418278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, async); 3419278366Sadrian} 3420278366Sadrian 3421278366Sadrianstatic int 3422280070Sadrianwpi_add_sta_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3423280070Sadrian{ 3424280070Sadrian struct wpi_node *wn = WPI_NODE(ni); 3425280070Sadrian int error; 3426280070Sadrian 3427280070Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3428280070Sadrian 3429280070Sadrian wn->id = wpi_add_node_entry_sta(sc); 3430280070Sadrian 3431280070Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3432280070Sadrian wpi_del_node_entry(sc, wn->id); 3433280070Sadrian wn->id = WPI_ID_UNDEFINED; 3434280070Sadrian return error; 3435280070Sadrian } 3436280070Sadrian 3437280070Sadrian return 0; 3438280070Sadrian} 3439280070Sadrian 3440280070Sadrianstatic int 3441278366Sadrianwpi_add_ibss_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3442278366Sadrian{ 3443280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3444280069Sadrian int error; 3445278366Sadrian 3446280100Sadrian KASSERT(wn->id == WPI_ID_UNDEFINED, 3447280100Sadrian ("the node %d was added before", wn->id)); 3448280100Sadrian 3449278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3450278366Sadrian 3451280069Sadrian if ((wn->id = wpi_add_node_entry_adhoc(sc)) == WPI_ID_UNDEFINED) { 3452280069Sadrian device_printf(sc->sc_dev, "%s: h/w table is full\n", __func__); 3453280069Sadrian return ENOMEM; 3454280069Sadrian } 3455278366Sadrian 3456280069Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3457280069Sadrian wpi_del_node_entry(sc, wn->id); 3458280069Sadrian wn->id = WPI_ID_UNDEFINED; 3459280069Sadrian return error; 3460280069Sadrian } 3461278366Sadrian 3462280069Sadrian return 0; 3463278366Sadrian} 3464278366Sadrian 3465173362Sbenjscstatic void 3466278366Sadrianwpi_del_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3467278366Sadrian{ 3468280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3469278366Sadrian struct wpi_cmd_del_node node; 3470278366Sadrian int error; 3471278366Sadrian 3472280100Sadrian KASSERT(wn->id != WPI_ID_UNDEFINED, ("undefined node id passed")); 3473280100Sadrian 3474278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3475278366Sadrian 3476278366Sadrian memset(&node, 0, sizeof node); 3477279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3478278366Sadrian node.count = 1; 3479278366Sadrian 3480280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: deleting node %d (%s)\n", __func__, 3481280094Sadrian wn->id, ether_sprintf(ni->ni_macaddr)); 3482280094Sadrian 3483278366Sadrian error = wpi_cmd(sc, WPI_CMD_DEL_NODE, &node, sizeof node, 1); 3484278366Sadrian if (error != 0) { 3485278366Sadrian device_printf(sc->sc_dev, 3486278366Sadrian "%s: could not delete node %u, error %d\n", __func__, 3487278366Sadrian wn->id, error); 3488278366Sadrian } 3489278366Sadrian} 3490278366Sadrian 3491278366Sadrianstatic int 3492278366Sadrianwpi_updateedca(struct ieee80211com *ic) 3493278366Sadrian{ 3494278366Sadrian#define WPI_EXP2(x) ((1 << (x)) - 1) /* CWmin = 2^ECWmin - 1 */ 3495286437Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 3496278366Sadrian struct wpi_edca_params cmd; 3497278366Sadrian int aci, error; 3498278366Sadrian 3499278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3500278366Sadrian 3501278366Sadrian memset(&cmd, 0, sizeof cmd); 3502278366Sadrian cmd.flags = htole32(WPI_EDCA_UPDATE); 3503278366Sadrian for (aci = 0; aci < WME_NUM_AC; aci++) { 3504278366Sadrian const struct wmeParams *ac = 3505278366Sadrian &ic->ic_wme.wme_chanParams.cap_wmeParams[aci]; 3506278366Sadrian cmd.ac[aci].aifsn = ac->wmep_aifsn; 3507278366Sadrian cmd.ac[aci].cwmin = htole16(WPI_EXP2(ac->wmep_logcwmin)); 3508278366Sadrian cmd.ac[aci].cwmax = htole16(WPI_EXP2(ac->wmep_logcwmax)); 3509278366Sadrian cmd.ac[aci].txoplimit = 3510278366Sadrian htole16(IEEE80211_TXOP_TO_US(ac->wmep_txopLimit)); 3511278366Sadrian 3512278366Sadrian DPRINTF(sc, WPI_DEBUG_EDCA, 3513278366Sadrian "setting WME for queue %d aifsn=%d cwmin=%d cwmax=%d " 3514278366Sadrian "txoplimit=%d\n", aci, cmd.ac[aci].aifsn, 3515278366Sadrian cmd.ac[aci].cwmin, cmd.ac[aci].cwmax, 3516278366Sadrian cmd.ac[aci].txoplimit); 3517278366Sadrian } 3518278366Sadrian error = wpi_cmd(sc, WPI_CMD_EDCA_PARAMS, &cmd, sizeof cmd, 1); 3519278366Sadrian 3520278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3521278366Sadrian 3522278366Sadrian return error; 3523278366Sadrian#undef WPI_EXP2 3524278366Sadrian} 3525278366Sadrian 3526278366Sadrianstatic void 3527278366Sadrianwpi_set_promisc(struct wpi_softc *sc) 3528278366Sadrian{ 3529286437Sadrian struct ifnet *ifp = sc->sc_ifp; 3530286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 3531280105Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3532278366Sadrian uint32_t promisc_filter; 3533278366Sadrian 3534280105Sadrian promisc_filter = WPI_FILTER_CTL; 3535280105Sadrian if (vap != NULL && vap->iv_opmode != IEEE80211_M_HOSTAP) 3536280105Sadrian promisc_filter |= WPI_FILTER_PROMISC; 3537278366Sadrian 3538286437Sadrian if (ifp->if_flags & IFF_PROMISC) 3539278366Sadrian sc->rxon.filter |= htole32(promisc_filter); 3540278366Sadrian else 3541278366Sadrian sc->rxon.filter &= ~htole32(promisc_filter); 3542278366Sadrian} 3543278366Sadrian 3544278366Sadrianstatic void 3545283540Sglebiuswpi_update_promisc(struct ieee80211com *ic) 3546278366Sadrian{ 3547283540Sglebius struct wpi_softc *sc = ic->ic_softc; 3548278366Sadrian 3549280108Sadrian WPI_RXON_LOCK(sc); 3550278366Sadrian wpi_set_promisc(sc); 3551278366Sadrian 3552278366Sadrian if (wpi_send_rxon(sc, 1, 1) != 0) { 3553278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3554278366Sadrian __func__); 3555278366Sadrian } 3556280108Sadrian WPI_RXON_UNLOCK(sc); 3557278366Sadrian} 3558278366Sadrian 3559278366Sadrianstatic void 3560283540Sglebiuswpi_update_mcast(struct ieee80211com *ic) 3561278366Sadrian{ 3562278366Sadrian /* Ignore */ 3563278366Sadrian} 3564278366Sadrian 3565278366Sadrianstatic void 3566173362Sbenjscwpi_set_led(struct wpi_softc *sc, uint8_t which, uint8_t off, uint8_t on) 3567173362Sbenjsc{ 3568173362Sbenjsc struct wpi_cmd_led led; 3569173362Sbenjsc 3570278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3571278366Sadrian 3572173362Sbenjsc led.which = which; 3573173362Sbenjsc led.unit = htole32(100000); /* on/off in unit of 100ms */ 3574173362Sbenjsc led.off = off; 3575173362Sbenjsc led.on = on; 3576173362Sbenjsc (void)wpi_cmd(sc, WPI_CMD_SET_LED, &led, sizeof led, 1); 3577173362Sbenjsc} 3578173362Sbenjsc 3579278366Sadrianstatic int 3580278366Sadrianwpi_set_timing(struct wpi_softc *sc, struct ieee80211_node *ni) 3581173362Sbenjsc{ 3582278366Sadrian struct wpi_cmd_timing cmd; 3583173362Sbenjsc uint64_t val, mod; 3584173362Sbenjsc 3585278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3586173362Sbenjsc 3587278366Sadrian memset(&cmd, 0, sizeof cmd); 3588278366Sadrian memcpy(&cmd.tstamp, ni->ni_tstamp.data, sizeof (uint64_t)); 3589278366Sadrian cmd.bintval = htole16(ni->ni_intval); 3590278366Sadrian cmd.lintval = htole16(10); 3591173362Sbenjsc 3592278366Sadrian /* Compute remaining time until next beacon. */ 3593278366Sadrian val = (uint64_t)ni->ni_intval * IEEE80211_DUR_TU; 3594278366Sadrian mod = le64toh(cmd.tstamp) % val; 3595278366Sadrian cmd.binitval = htole32((uint32_t)(val - mod)); 3596278366Sadrian 3597278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "timing bintval=%u tstamp=%ju, init=%u\n", 3598278366Sadrian ni->ni_intval, le64toh(cmd.tstamp), (uint32_t)(val - mod)); 3599278366Sadrian 3600278366Sadrian return wpi_cmd(sc, WPI_CMD_TIMING, &cmd, sizeof cmd, 1); 3601173362Sbenjsc} 3602173362Sbenjsc 3603173362Sbenjsc/* 3604278366Sadrian * This function is called periodically (every 60 seconds) to adjust output 3605278366Sadrian * power to temperature changes. 3606173362Sbenjsc */ 3607278366Sadrianstatic void 3608278366Sadrianwpi_power_calibration(struct wpi_softc *sc) 3609278366Sadrian{ 3610278366Sadrian int temp; 3611278366Sadrian 3612278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3613278366Sadrian 3614278366Sadrian /* Update sensor data. */ 3615278366Sadrian temp = (int)WPI_READ(sc, WPI_UCODE_GP2); 3616278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "Temp in calibration is: %d\n", temp); 3617278366Sadrian 3618278366Sadrian /* Sanity-check read value. */ 3619278366Sadrian if (temp < -260 || temp > 25) { 3620278366Sadrian /* This can't be correct, ignore. */ 3621278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3622278366Sadrian "out-of-range temperature reported: %d\n", temp); 3623278366Sadrian return; 3624278366Sadrian } 3625278366Sadrian 3626278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d->%d\n", sc->temp, temp); 3627278366Sadrian 3628278366Sadrian /* Adjust Tx power if need be. */ 3629278366Sadrian if (abs(temp - sc->temp) <= 6) 3630278366Sadrian return; 3631278366Sadrian 3632278366Sadrian sc->temp = temp; 3633278366Sadrian 3634278366Sadrian if (wpi_set_txpower(sc, 1) != 0) { 3635278366Sadrian /* just warn, too bad for the automatic calibration... */ 3636278366Sadrian device_printf(sc->sc_dev,"could not adjust Tx power\n"); 3637278366Sadrian } 3638278366Sadrian} 3639278366Sadrian 3640278366Sadrian/* 3641278366Sadrian * Set TX power for current channel. 3642278366Sadrian */ 3643173362Sbenjscstatic int 3644278366Sadrianwpi_set_txpower(struct wpi_softc *sc, int async) 3645173362Sbenjsc{ 3646278366Sadrian struct wpi_power_group *group; 3647278366Sadrian struct wpi_cmd_txpower cmd; 3648278366Sadrian uint8_t chan; 3649281287Sadrian int idx, is_chan_5ghz, i; 3650173362Sbenjsc 3651278366Sadrian /* Retrieve current channel from last RXON. */ 3652278366Sadrian chan = sc->rxon.chan; 3653281287Sadrian is_chan_5ghz = (sc->rxon.flags & htole32(WPI_RXON_24GHZ)) == 0; 3654173362Sbenjsc 3655278366Sadrian /* Find the TX power group to which this channel belongs. */ 3656281287Sadrian if (is_chan_5ghz) { 3657278366Sadrian for (group = &sc->groups[1]; group < &sc->groups[4]; group++) 3658278366Sadrian if (chan <= group->chan) 3659278366Sadrian break; 3660278366Sadrian } else 3661278366Sadrian group = &sc->groups[0]; 3662278366Sadrian 3663278366Sadrian memset(&cmd, 0, sizeof cmd); 3664281287Sadrian cmd.band = is_chan_5ghz ? WPI_BAND_5GHZ : WPI_BAND_2GHZ; 3665278366Sadrian cmd.chan = htole16(chan); 3666278366Sadrian 3667278366Sadrian /* Set TX power for all OFDM and CCK rates. */ 3668278366Sadrian for (i = 0; i <= WPI_RIDX_MAX ; i++) { 3669278366Sadrian /* Retrieve TX power for this channel/rate. */ 3670281287Sadrian idx = wpi_get_power_index(sc, group, chan, is_chan_5ghz, i); 3671278366Sadrian 3672278366Sadrian cmd.rates[i].plcp = wpi_ridx_to_plcp[i]; 3673278366Sadrian 3674281287Sadrian if (is_chan_5ghz) { 3675278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_5ghz[idx]; 3676278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_5ghz[idx]; 3677278366Sadrian } else { 3678278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_2ghz[idx]; 3679278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_2ghz[idx]; 3680278366Sadrian } 3681278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3682278366Sadrian "chan %d/ridx %d: power index %d\n", chan, i, idx); 3683173362Sbenjsc } 3684173362Sbenjsc 3685278366Sadrian return wpi_cmd(sc, WPI_CMD_TXPOWER, &cmd, sizeof cmd, async); 3686278366Sadrian} 3687173362Sbenjsc 3688278366Sadrian/* 3689278366Sadrian * Determine Tx power index for a given channel/rate combination. 3690278366Sadrian * This takes into account the regulatory information from EEPROM and the 3691278366Sadrian * current temperature. 3692278366Sadrian */ 3693278366Sadrianstatic int 3694278366Sadrianwpi_get_power_index(struct wpi_softc *sc, struct wpi_power_group *group, 3695281287Sadrian uint8_t chan, int is_chan_5ghz, int ridx) 3696278366Sadrian{ 3697278366Sadrian/* Fixed-point arithmetic division using a n-bit fractional part. */ 3698280059Sadrian#define fdivround(a, b, n) \ 3699278366Sadrian ((((1 << n) * (a)) / (b) + (1 << n) / 2) / (1 << n)) 3700173362Sbenjsc 3701278366Sadrian/* Linear interpolation. */ 3702280059Sadrian#define interpolate(x, x1, y1, x2, y2, n) \ 3703278366Sadrian ((y1) + fdivround(((x) - (x1)) * ((y2) - (y1)), (x2) - (x1), n)) 3704173362Sbenjsc 3705278366Sadrian struct wpi_power_sample *sample; 3706278366Sadrian int pwr, idx; 3707278366Sadrian 3708278366Sadrian /* Default TX power is group maximum TX power minus 3dB. */ 3709278366Sadrian pwr = group->maxpwr / 2; 3710278366Sadrian 3711278366Sadrian /* Decrease TX power for highest OFDM rates to reduce distortion. */ 3712278366Sadrian switch (ridx) { 3713278366Sadrian case WPI_RIDX_OFDM36: 3714281287Sadrian pwr -= is_chan_5ghz ? 5 : 0; 3715278366Sadrian break; 3716278366Sadrian case WPI_RIDX_OFDM48: 3717281287Sadrian pwr -= is_chan_5ghz ? 10 : 7; 3718278366Sadrian break; 3719278366Sadrian case WPI_RIDX_OFDM54: 3720281287Sadrian pwr -= is_chan_5ghz ? 12 : 9; 3721278366Sadrian break; 3722173362Sbenjsc } 3723173362Sbenjsc 3724278366Sadrian /* Never exceed the channel maximum allowed TX power. */ 3725278366Sadrian pwr = min(pwr, sc->maxpwr[chan]); 3726173362Sbenjsc 3727278366Sadrian /* Retrieve TX power index into gain tables from samples. */ 3728278366Sadrian for (sample = group->samples; sample < &group->samples[3]; sample++) 3729278366Sadrian if (pwr > sample[1].power) 3730278366Sadrian break; 3731278366Sadrian /* Fixed-point linear interpolation using a 19-bit fractional part. */ 3732278366Sadrian idx = interpolate(pwr, sample[0].power, sample[0].index, 3733278366Sadrian sample[1].power, sample[1].index, 19); 3734173362Sbenjsc 3735278366Sadrian /*- 3736278366Sadrian * Adjust power index based on current temperature: 3737278366Sadrian * - if cooler than factory-calibrated: decrease output power 3738278366Sadrian * - if warmer than factory-calibrated: increase output power 3739278366Sadrian */ 3740278366Sadrian idx -= (sc->temp - group->temp) * 11 / 100; 3741173362Sbenjsc 3742278366Sadrian /* Decrease TX power for CCK rates (-5dB). */ 3743278366Sadrian if (ridx >= WPI_RIDX_CCK1) 3744278366Sadrian idx += 10; 3745278366Sadrian 3746278366Sadrian /* Make sure idx stays in a valid range. */ 3747278366Sadrian if (idx < 0) 3748278366Sadrian return 0; 3749278366Sadrian if (idx > WPI_MAX_PWR_INDEX) 3750278366Sadrian return WPI_MAX_PWR_INDEX; 3751278366Sadrian return idx; 3752278366Sadrian 3753278366Sadrian#undef interpolate 3754278366Sadrian#undef fdivround 3755173362Sbenjsc} 3756173362Sbenjsc 3757278366Sadrian/* 3758278366Sadrian * Set STA mode power saving level (between 0 and 5). 3759278366Sadrian * Level 0 is CAM (Continuously Aware Mode), 5 is for maximum power saving. 3760278366Sadrian */ 3761173362Sbenjscstatic int 3762278366Sadrianwpi_set_pslevel(struct wpi_softc *sc, uint8_t dtim, int level, int async) 3763173362Sbenjsc{ 3764278366Sadrian struct wpi_pmgt_cmd cmd; 3765278366Sadrian const struct wpi_pmgt *pmgt; 3766278366Sadrian uint32_t max, skip_dtim; 3767278366Sadrian uint32_t reg; 3768278366Sadrian int i; 3769278366Sadrian 3770278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 3771278366Sadrian "%s: dtim=%d, level=%d, async=%d\n", 3772278366Sadrian __func__, dtim, level, async); 3773278366Sadrian 3774278366Sadrian /* Select which PS parameters to use. */ 3775278366Sadrian if (dtim <= 10) 3776278366Sadrian pmgt = &wpi_pmgt[0][level]; 3777278366Sadrian else 3778278366Sadrian pmgt = &wpi_pmgt[1][level]; 3779278366Sadrian 3780278366Sadrian memset(&cmd, 0, sizeof cmd); 3781282400Sadrian WPI_TXQ_LOCK(sc); 3782282400Sadrian if (level != 0) { /* not CAM */ 3783278366Sadrian cmd.flags |= htole16(WPI_PS_ALLOW_SLEEP); 3784282400Sadrian sc->sc_flags |= WPI_PS_PATH; 3785282400Sadrian } else 3786282400Sadrian sc->sc_flags &= ~WPI_PS_PATH; 3787282400Sadrian WPI_TXQ_UNLOCK(sc); 3788278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 3789278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 3790278366Sadrian if (!(reg & 0x1)) /* L0s Entry disabled. */ 3791278366Sadrian cmd.flags |= htole16(WPI_PS_PCI_PMGT); 3792278366Sadrian 3793278366Sadrian cmd.rxtimeout = htole32(pmgt->rxtimeout * IEEE80211_DUR_TU); 3794278366Sadrian cmd.txtimeout = htole32(pmgt->txtimeout * IEEE80211_DUR_TU); 3795278366Sadrian 3796278366Sadrian if (dtim == 0) { 3797278366Sadrian dtim = 1; 3798278366Sadrian skip_dtim = 0; 3799278366Sadrian } else 3800278366Sadrian skip_dtim = pmgt->skip_dtim; 3801278366Sadrian 3802278366Sadrian if (skip_dtim != 0) { 3803278366Sadrian cmd.flags |= htole16(WPI_PS_SLEEP_OVER_DTIM); 3804278366Sadrian max = pmgt->intval[4]; 3805278366Sadrian if (max == (uint32_t)-1) 3806278366Sadrian max = dtim * (skip_dtim + 1); 3807278366Sadrian else if (max > dtim) 3808278366Sadrian max = (max / dtim) * dtim; 3809278366Sadrian } else 3810278366Sadrian max = dtim; 3811278366Sadrian 3812278366Sadrian for (i = 0; i < 5; i++) 3813278366Sadrian cmd.intval[i] = htole32(MIN(max, pmgt->intval[i])); 3814278366Sadrian 3815278366Sadrian return wpi_cmd(sc, WPI_CMD_SET_POWER_MODE, &cmd, sizeof cmd, async); 3816278366Sadrian} 3817278366Sadrian 3818280059Sadrianstatic int 3819278366Sadrianwpi_send_btcoex(struct wpi_softc *sc) 3820278366Sadrian{ 3821278366Sadrian struct wpi_bluetooth cmd; 3822278366Sadrian 3823280059Sadrian memset(&cmd, 0, sizeof cmd); 3824280059Sadrian cmd.flags = WPI_BT_COEX_MODE_4WIRE; 3825280059Sadrian cmd.lead_time = WPI_BT_LEAD_TIME_DEF; 3826280059Sadrian cmd.max_kill = WPI_BT_MAX_KILL_DEF; 3827278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "%s: configuring bluetooth coexistence\n", 3828278366Sadrian __func__); 3829280059Sadrian return wpi_cmd(sc, WPI_CMD_BT_COEX, &cmd, sizeof(cmd), 0); 3830278366Sadrian} 3831278366Sadrian 3832278366Sadrianstatic int 3833278366Sadrianwpi_send_rxon(struct wpi_softc *sc, int assoc, int async) 3834278366Sadrian{ 3835173362Sbenjsc int error; 3836173362Sbenjsc 3837280108Sadrian if (async) 3838280108Sadrian WPI_RXON_LOCK_ASSERT(sc); 3839280108Sadrian 3840282375Sadrian if (assoc && wpi_check_bss_filter(sc) != 0) { 3841278366Sadrian struct wpi_assoc rxon_assoc; 3842177043Sthompsa 3843278366Sadrian rxon_assoc.flags = sc->rxon.flags; 3844278366Sadrian rxon_assoc.filter = sc->rxon.filter; 3845278366Sadrian rxon_assoc.ofdm_mask = sc->rxon.ofdm_mask; 3846278366Sadrian rxon_assoc.cck_mask = sc->rxon.cck_mask; 3847278366Sadrian rxon_assoc.reserved = 0; 3848278366Sadrian 3849278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON_ASSOC, &rxon_assoc, 3850278366Sadrian sizeof (struct wpi_assoc), async); 3851280102Sadrian if (error != 0) { 3852280102Sadrian device_printf(sc->sc_dev, 3853280102Sadrian "RXON_ASSOC command failed, error %d\n", error); 3854280102Sadrian return error; 3855280102Sadrian } 3856216522Sbschmidt } else { 3857280102Sadrian if (async) { 3858280077Sadrian WPI_NT_LOCK(sc); 3859280102Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3860280102Sadrian sizeof (struct wpi_rxon), async); 3861280102Sadrian if (error == 0) 3862280102Sadrian wpi_clear_node_table(sc); 3863280077Sadrian WPI_NT_UNLOCK(sc); 3864280102Sadrian } else { 3865280102Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3866280102Sadrian sizeof (struct wpi_rxon), async); 3867280102Sadrian if (error == 0) 3868280102Sadrian wpi_clear_node_table(sc); 3869280102Sadrian } 3870173362Sbenjsc 3871280102Sadrian if (error != 0) { 3872280102Sadrian device_printf(sc->sc_dev, 3873280102Sadrian "RXON command failed, error %d\n", error); 3874280102Sadrian return error; 3875280102Sadrian } 3876173362Sbenjsc 3877278366Sadrian /* Add broadcast node. */ 3878278366Sadrian error = wpi_add_broadcast_node(sc, async); 3879278366Sadrian if (error != 0) { 3880278366Sadrian device_printf(sc->sc_dev, 3881278366Sadrian "could not add broadcast node, error %d\n", error); 3882278366Sadrian return error; 3883278366Sadrian } 3884278366Sadrian } 3885177043Sthompsa 3886280102Sadrian /* Configuration has changed, set Tx power accordingly. */ 3887280102Sadrian if ((error = wpi_set_txpower(sc, async)) != 0) { 3888280102Sadrian device_printf(sc->sc_dev, 3889280102Sadrian "%s: could not set TX power, error %d\n", __func__, error); 3890280102Sadrian return error; 3891280102Sadrian } 3892280102Sadrian 3893278366Sadrian return 0; 3894177043Sthompsa} 3895177043Sthompsa 3896278366Sadrian/** 3897278366Sadrian * Configure the card to listen to a particular channel, this transisions the 3898278366Sadrian * card in to being able to receive frames from remote devices. 3899278366Sadrian */ 3900177043Sthompsastatic int 3901278366Sadrianwpi_config(struct wpi_softc *sc) 3902177043Sthompsa{ 3903286437Sadrian struct ifnet *ifp = sc->sc_ifp; 3904286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 3905279762Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3906282371Sadrian struct ieee80211_channel *c = ic->ic_curchan; 3907177043Sthompsa int error; 3908177043Sthompsa 3909278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3910278366Sadrian 3911278366Sadrian /* Set power saving level to CAM during initialization. */ 3912278366Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 0)) != 0) { 3913278366Sadrian device_printf(sc->sc_dev, 3914278366Sadrian "%s: could not set power saving level\n", __func__); 3915278366Sadrian return error; 3916178354Ssam } 3917178354Ssam 3918278366Sadrian /* Configure bluetooth coexistence. */ 3919278366Sadrian if ((error = wpi_send_btcoex(sc)) != 0) { 3920278366Sadrian device_printf(sc->sc_dev, 3921278366Sadrian "could not configure bluetooth coexistence\n"); 3922278366Sadrian return error; 3923278366Sadrian } 3924177043Sthompsa 3925278366Sadrian /* Configure adapter. */ 3926278366Sadrian memset(&sc->rxon, 0, sizeof (struct wpi_rxon)); 3927279762Sadrian IEEE80211_ADDR_COPY(sc->rxon.myaddr, vap->iv_myaddr); 3928177043Sthompsa 3929278366Sadrian /* Set default channel. */ 3930282371Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 3931278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3932282371Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) 3933278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3934177043Sthompsa 3935278764Sadrian sc->rxon.filter = WPI_FILTER_MULTICAST; 3936278366Sadrian switch (ic->ic_opmode) { 3937278366Sadrian case IEEE80211_M_STA: 3938278366Sadrian sc->rxon.mode = WPI_MODE_STA; 3939278366Sadrian break; 3940278366Sadrian case IEEE80211_M_IBSS: 3941278366Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3942278764Sadrian sc->rxon.filter |= WPI_FILTER_BEACON; 3943278366Sadrian break; 3944280105Sadrian case IEEE80211_M_HOSTAP: 3945280105Sadrian /* XXX workaround for beaconing */ 3946280105Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3947280105Sadrian sc->rxon.filter |= WPI_FILTER_ASSOC | WPI_FILTER_PROMISC; 3948280105Sadrian break; 3949278366Sadrian case IEEE80211_M_AHDEMO: 3950278366Sadrian sc->rxon.mode = WPI_MODE_HOSTAP; 3951278366Sadrian break; 3952278366Sadrian case IEEE80211_M_MONITOR: 3953278366Sadrian sc->rxon.mode = WPI_MODE_MONITOR; 3954278366Sadrian break; 3955278366Sadrian default: 3956280066Sadrian device_printf(sc->sc_dev, "unknown opmode %d\n", 3957280066Sadrian ic->ic_opmode); 3958278366Sadrian return EINVAL; 3959278366Sadrian } 3960278764Sadrian sc->rxon.filter = htole32(sc->rxon.filter); 3961278366Sadrian wpi_set_promisc(sc); 3962278366Sadrian sc->rxon.cck_mask = 0x0f; /* not yet negotiated */ 3963278366Sadrian sc->rxon.ofdm_mask = 0xff; /* not yet negotiated */ 3964278366Sadrian 3965282385Sadrian /* XXX Current configuration may be unusable. */ 3966282385Sadrian if (IEEE80211_IS_CHAN_NOADHOC(c) && sc->rxon.mode == WPI_MODE_IBSS) { 3967282385Sadrian device_printf(sc->sc_dev, 3968282385Sadrian "%s: invalid channel (%d) selected for IBSS mode\n", 3969282385Sadrian __func__, ieee80211_chan2ieee(ic, c)); 3970282385Sadrian return EINVAL; 3971282385Sadrian } 3972282385Sadrian 3973278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) { 3974278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3975278366Sadrian __func__); 3976173362Sbenjsc return error; 3977173362Sbenjsc } 3978173362Sbenjsc 3979278366Sadrian /* Setup rate scalling. */ 3980278366Sadrian if ((error = wpi_mrr_setup(sc)) != 0) { 3981278366Sadrian device_printf(sc->sc_dev, "could not setup MRR, error %d\n", 3982278366Sadrian error); 3983278366Sadrian return error; 3984278366Sadrian } 3985278366Sadrian 3986278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3987177043Sthompsa 3988278366Sadrian return 0; 3989278366Sadrian} 3990177043Sthompsa 3991278366Sadrianstatic uint16_t 3992278366Sadrianwpi_get_active_dwell_time(struct wpi_softc *sc, 3993278366Sadrian struct ieee80211_channel *c, uint8_t n_probes) 3994278366Sadrian{ 3995278366Sadrian /* No channel? Default to 2GHz settings. */ 3996278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) { 3997278366Sadrian return (WPI_ACTIVE_DWELL_TIME_2GHZ + 3998278366Sadrian WPI_ACTIVE_DWELL_FACTOR_2GHZ * (n_probes + 1)); 3999278366Sadrian } 4000278366Sadrian 4001278366Sadrian /* 5GHz dwell time. */ 4002278366Sadrian return (WPI_ACTIVE_DWELL_TIME_5GHZ + 4003278366Sadrian WPI_ACTIVE_DWELL_FACTOR_5GHZ * (n_probes + 1)); 4004173362Sbenjsc} 4005173362Sbenjsc 4006173362Sbenjsc/* 4007282382Sadrian * Limit the total dwell time. 4008278366Sadrian * 4009278366Sadrian * Returns the dwell time in milliseconds. 4010173362Sbenjsc */ 4011278366Sadrianstatic uint16_t 4012278366Sadrianwpi_limit_dwell(struct wpi_softc *sc, uint16_t dwell_time) 4013278366Sadrian{ 4014286437Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 4015280103Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4016278366Sadrian int bintval = 0; 4017278366Sadrian 4018278366Sadrian /* bintval is in TU (1.024mS) */ 4019280103Sadrian if (vap != NULL) 4020278366Sadrian bintval = vap->iv_bss->ni_intval; 4021278366Sadrian 4022278366Sadrian /* 4023278366Sadrian * If it's non-zero, we should calculate the minimum of 4024278366Sadrian * it and the DWELL_BASE. 4025278366Sadrian * 4026278366Sadrian * XXX Yes, the math should take into account that bintval 4027278366Sadrian * is 1.024mS, not 1mS.. 4028278366Sadrian */ 4029278366Sadrian if (bintval > 0) { 4030278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "%s: bintval=%d\n", __func__, 4031278366Sadrian bintval); 4032282382Sadrian return (MIN(dwell_time, bintval - WPI_CHANNEL_TUNE_TIME * 2)); 4033278366Sadrian } 4034278366Sadrian 4035278366Sadrian /* No association context? Default. */ 4036282382Sadrian return dwell_time; 4037278366Sadrian} 4038278366Sadrian 4039278366Sadrianstatic uint16_t 4040278366Sadrianwpi_get_passive_dwell_time(struct wpi_softc *sc, struct ieee80211_channel *c) 4041278366Sadrian{ 4042278366Sadrian uint16_t passive; 4043278366Sadrian 4044278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) 4045278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_2GHZ; 4046278366Sadrian else 4047278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_5GHZ; 4048278366Sadrian 4049278366Sadrian /* Clamp to the beacon interval if we're associated. */ 4050278366Sadrian return (wpi_limit_dwell(sc, passive)); 4051278366Sadrian} 4052278366Sadrian 4053282383Sadrianstatic uint32_t 4054282383Sadrianwpi_get_scan_pause_time(uint32_t time, uint16_t bintval) 4055282383Sadrian{ 4056282383Sadrian uint32_t mod = (time % bintval) * IEEE80211_DUR_TU; 4057282383Sadrian uint32_t nbeacons = time / bintval; 4058282383Sadrian 4059282383Sadrian if (mod > WPI_PAUSE_MAX_TIME) 4060282383Sadrian mod = WPI_PAUSE_MAX_TIME; 4061282383Sadrian 4062282383Sadrian return WPI_PAUSE_SCAN(nbeacons, mod); 4063282383Sadrian} 4064282383Sadrian 4065278366Sadrian/* 4066278366Sadrian * Send a scan request to the firmware. 4067278366Sadrian */ 4068173362Sbenjscstatic int 4069278366Sadrianwpi_scan(struct wpi_softc *sc, struct ieee80211_channel *c) 4070173362Sbenjsc{ 4071286437Sadrian struct ifnet *ifp = sc->sc_ifp; 4072286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 4073177043Sthompsa struct ieee80211_scan_state *ss = ic->ic_scan; 4074279762Sadrian struct ieee80211vap *vap = ss->ss_vap; 4075173362Sbenjsc struct wpi_scan_hdr *hdr; 4076278366Sadrian struct wpi_cmd_data *tx; 4077278366Sadrian struct wpi_scan_essid *essids; 4078173362Sbenjsc struct wpi_scan_chan *chan; 4079173362Sbenjsc struct ieee80211_frame *wh; 4080173362Sbenjsc struct ieee80211_rateset *rs; 4081278366Sadrian uint16_t dwell_active, dwell_passive; 4082278366Sadrian uint8_t *buf, *frm; 4083282382Sadrian int bgscan, bintval, buflen, error, i, nssid; 4084173362Sbenjsc 4085278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4086173362Sbenjsc 4087278366Sadrian /* 4088278366Sadrian * We are absolutely not allowed to send a scan command when another 4089278366Sadrian * scan command is pending. 4090278366Sadrian */ 4091280106Sadrian if (callout_pending(&sc->scan_timeout)) { 4092278366Sadrian device_printf(sc->sc_dev, "%s: called whilst scanning!\n", 4093278366Sadrian __func__); 4094282382Sadrian error = EAGAIN; 4095282382Sadrian goto fail; 4096282382Sadrian } 4097280060Sadrian 4098282382Sadrian bgscan = wpi_check_bss_filter(sc); 4099282382Sadrian bintval = vap->iv_bss->ni_intval; 4100282382Sadrian if (bgscan != 0 && 4101282382Sadrian bintval < WPI_QUIET_TIME_DEFAULT + WPI_CHANNEL_TUNE_TIME * 2) { 4102282382Sadrian error = EOPNOTSUPP; 4103282382Sadrian goto fail; 4104278366Sadrian } 4105278366Sadrian 4106278366Sadrian buf = malloc(WPI_SCAN_MAXSZ, M_DEVBUF, M_NOWAIT | M_ZERO); 4107278366Sadrian if (buf == NULL) { 4108173362Sbenjsc device_printf(sc->sc_dev, 4109278366Sadrian "%s: could not allocate buffer for scan command\n", 4110278366Sadrian __func__); 4111280060Sadrian error = ENOMEM; 4112280060Sadrian goto fail; 4113173362Sbenjsc } 4114278366Sadrian hdr = (struct wpi_scan_hdr *)buf; 4115173362Sbenjsc 4116173362Sbenjsc /* 4117278366Sadrian * Move to the next channel if no packets are received within 10 msecs 4118278366Sadrian * after sending the probe request. 4119173362Sbenjsc */ 4120282382Sadrian hdr->quiet_time = htole16(WPI_QUIET_TIME_DEFAULT); 4121282382Sadrian hdr->quiet_threshold = htole16(1); 4122282383Sadrian 4123282383Sadrian if (bgscan != 0) { 4124282383Sadrian /* 4125282383Sadrian * Max needs to be greater than active and passive and quiet! 4126282383Sadrian * It's also in microseconds! 4127282383Sadrian */ 4128282383Sadrian hdr->max_svc = htole32(250 * IEEE80211_DUR_TU); 4129282383Sadrian hdr->pause_svc = htole32(wpi_get_scan_pause_time(100, 4130282383Sadrian bintval)); 4131282383Sadrian } 4132282383Sadrian 4133278366Sadrian hdr->filter = htole32(WPI_FILTER_MULTICAST | WPI_FILTER_BEACON); 4134173362Sbenjsc 4135278366Sadrian tx = (struct wpi_cmd_data *)(hdr + 1); 4136278366Sadrian tx->flags = htole32(WPI_TX_AUTO_SEQ); 4137278366Sadrian tx->id = WPI_ID_BROADCAST; 4138278366Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 4139173362Sbenjsc 4140278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) { 4141278366Sadrian /* Send probe requests at 6Mbps. */ 4142278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_OFDM6]; 4143278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11A]; 4144173362Sbenjsc } else { 4145278366Sadrian hdr->flags = htole32(WPI_RXON_24GHZ | WPI_RXON_AUTO); 4146278366Sadrian /* Send probe requests at 1Mbps. */ 4147278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 4148278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11G]; 4149173362Sbenjsc } 4150173362Sbenjsc 4151278366Sadrian essids = (struct wpi_scan_essid *)(tx + 1); 4152177043Sthompsa nssid = MIN(ss->ss_nssid, WPI_SCAN_MAX_ESSIDS); 4153178354Ssam for (i = 0; i < nssid; i++) { 4154278366Sadrian essids[i].id = IEEE80211_ELEMID_SSID; 4155278366Sadrian essids[i].len = MIN(ss->ss_ssid[i].len, IEEE80211_NWID_LEN); 4156278366Sadrian memcpy(essids[i].data, ss->ss_ssid[i].ssid, essids[i].len); 4157179957Sthompsa#ifdef WPI_DEBUG 4158278366Sadrian if (sc->sc_debug & WPI_DEBUG_SCAN) { 4159177043Sthompsa printf("Scanning Essid: "); 4160278366Sadrian ieee80211_print_essid(essids[i].data, essids[i].len); 4161177043Sthompsa printf("\n"); 4162177043Sthompsa } 4163179957Sthompsa#endif 4164173362Sbenjsc } 4165173362Sbenjsc 4166173362Sbenjsc /* 4167173362Sbenjsc * Build a probe request frame. Most of the following code is a 4168173362Sbenjsc * copy & paste of what is done in net80211. 4169173362Sbenjsc */ 4170278366Sadrian wh = (struct ieee80211_frame *)(essids + WPI_SCAN_MAX_ESSIDS); 4171173362Sbenjsc wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 4172173362Sbenjsc IEEE80211_FC0_SUBTYPE_PROBE_REQ; 4173173362Sbenjsc wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 4174286437Sadrian IEEE80211_ADDR_COPY(wh->i_addr1, ifp->if_broadcastaddr); 4175279762Sadrian IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); 4176286437Sadrian IEEE80211_ADDR_COPY(wh->i_addr3, ifp->if_broadcastaddr); 4177286437Sadrian *(uint16_t *)&wh->i_dur[0] = 0; /* filled by h/w */ 4178286437Sadrian *(uint16_t *)&wh->i_seq[0] = 0; /* filled by h/w */ 4179173362Sbenjsc 4180173362Sbenjsc frm = (uint8_t *)(wh + 1); 4181275966Sadrian frm = ieee80211_add_ssid(frm, NULL, 0); 4182275966Sadrian frm = ieee80211_add_rates(frm, rs); 4183278366Sadrian if (rs->rs_nrates > IEEE80211_RATE_SIZE) 4184278366Sadrian frm = ieee80211_add_xrates(frm, rs); 4185173362Sbenjsc 4186278366Sadrian /* Set length of probe request. */ 4187278366Sadrian tx->len = htole16(frm - (uint8_t *)wh); 4188173362Sbenjsc 4189173362Sbenjsc /* 4190173362Sbenjsc * Construct information about the channel that we 4191173362Sbenjsc * want to scan. The firmware expects this to be directly 4192173362Sbenjsc * after the scan probe request 4193173362Sbenjsc */ 4194173362Sbenjsc chan = (struct wpi_scan_chan *)frm; 4195278366Sadrian chan->chan = htole16(ieee80211_chan2ieee(ic, c)); 4196173362Sbenjsc chan->flags = 0; 4197278366Sadrian if (nssid) { 4198278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_DEFAULT; 4199278366Sadrian chan->flags |= WPI_CHAN_NPBREQS(nssid); 4200278366Sadrian } else 4201278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_NEVER; 4202278366Sadrian 4203278764Sadrian if (!IEEE80211_IS_CHAN_PASSIVE(c)) 4204173362Sbenjsc chan->flags |= WPI_CHAN_ACTIVE; 4205173362Sbenjsc 4206278366Sadrian /* 4207278366Sadrian * Calculate the active/passive dwell times. 4208278366Sadrian */ 4209286437Sadrian 4210278366Sadrian dwell_active = wpi_get_active_dwell_time(sc, c, nssid); 4211278366Sadrian dwell_passive = wpi_get_passive_dwell_time(sc, c); 4212278366Sadrian 4213278366Sadrian /* Make sure they're valid. */ 4214282382Sadrian if (dwell_active > dwell_passive) 4215282382Sadrian dwell_active = dwell_passive; 4216278366Sadrian 4217278366Sadrian chan->active = htole16(dwell_active); 4218278366Sadrian chan->passive = htole16(dwell_passive); 4219278366Sadrian 4220278366Sadrian chan->dsp_gain = 0x6e; /* Default level */ 4221278366Sadrian 4222278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) 4223278366Sadrian chan->rf_gain = 0x3b; 4224278366Sadrian else 4225278366Sadrian chan->rf_gain = 0x28; 4226278366Sadrian 4227278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "Scanning %u Passive: %d\n", 4228280059Sadrian chan->chan, IEEE80211_IS_CHAN_PASSIVE(c)); 4229278366Sadrian 4230173362Sbenjsc hdr->nchan++; 4231282376Sadrian 4232282376Sadrian if (hdr->nchan == 1 && sc->rxon.chan == chan->chan) { 4233282376Sadrian /* XXX Force probe request transmission. */ 4234282376Sadrian memcpy(chan + 1, chan, sizeof (struct wpi_scan_chan)); 4235282376Sadrian 4236282376Sadrian chan++; 4237282376Sadrian 4238282376Sadrian /* Reduce unnecessary delay. */ 4239282376Sadrian chan->flags = 0; 4240282376Sadrian chan->passive = chan->active = hdr->quiet_time; 4241282376Sadrian 4242282376Sadrian hdr->nchan++; 4243282376Sadrian } 4244282376Sadrian 4245173362Sbenjsc chan++; 4246173362Sbenjsc 4247278366Sadrian buflen = (uint8_t *)chan - buf; 4248278366Sadrian hdr->len = htole16(buflen); 4249173362Sbenjsc 4250278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "sending scan command nchan=%d\n", 4251278366Sadrian hdr->nchan); 4252278366Sadrian error = wpi_cmd(sc, WPI_CMD_SCAN, buf, buflen, 1); 4253278366Sadrian free(buf, M_DEVBUF); 4254173362Sbenjsc 4255280060Sadrian if (error != 0) 4256280060Sadrian goto fail; 4257280060Sadrian 4258280106Sadrian callout_reset(&sc->scan_timeout, 5*hz, wpi_scan_timeout, sc); 4259173362Sbenjsc 4260278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4261173362Sbenjsc 4262280060Sadrian return 0; 4263280060Sadrian 4264280060Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 4265280060Sadrian 4266278366Sadrian return error; 4267278366Sadrian} 4268173362Sbenjsc 4269278366Sadrianstatic int 4270278366Sadrianwpi_auth(struct wpi_softc *sc, struct ieee80211vap *vap) 4271278366Sadrian{ 4272278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4273278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4274282371Sadrian struct ieee80211_channel *c = ni->ni_chan; 4275278366Sadrian int error; 4276173362Sbenjsc 4277280108Sadrian WPI_RXON_LOCK(sc); 4278280108Sadrian 4279278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4280278366Sadrian 4281278366Sadrian /* Update adapter configuration. */ 4282278366Sadrian sc->rxon.associd = 0; 4283278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 4284278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4285282371Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 4286278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4287282371Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) 4288278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4289278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4290278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4291278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4292278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4293282371Sadrian if (IEEE80211_IS_CHAN_A(c)) { 4294278366Sadrian sc->rxon.cck_mask = 0; 4295278366Sadrian sc->rxon.ofdm_mask = 0x15; 4296282371Sadrian } else if (IEEE80211_IS_CHAN_B(c)) { 4297278366Sadrian sc->rxon.cck_mask = 0x03; 4298278366Sadrian sc->rxon.ofdm_mask = 0; 4299278366Sadrian } else { 4300278366Sadrian /* Assume 802.11b/g. */ 4301278366Sadrian sc->rxon.cck_mask = 0x0f; 4302278366Sadrian sc->rxon.ofdm_mask = 0x15; 4303173362Sbenjsc } 4304173362Sbenjsc 4305278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x cck %x ofdm %x\n", 4306278366Sadrian sc->rxon.chan, sc->rxon.flags, sc->rxon.cck_mask, 4307278366Sadrian sc->rxon.ofdm_mask); 4308173362Sbenjsc 4309278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4310278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4311278366Sadrian __func__); 4312278366Sadrian } 4313173362Sbenjsc 4314278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4315173362Sbenjsc 4316280108Sadrian WPI_RXON_UNLOCK(sc); 4317280108Sadrian 4318278366Sadrian return error; 4319173362Sbenjsc} 4320173362Sbenjsc 4321173362Sbenjscstatic int 4322280084Sadrianwpi_config_beacon(struct wpi_vap *wvp) 4323280084Sadrian{ 4324280085Sadrian struct ieee80211com *ic = wvp->wv_vap.iv_ic; 4325280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4326280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4327286437Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4328280084Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 4329280084Sadrian struct ieee80211_tim_ie *tie; 4330280084Sadrian struct mbuf *m; 4331280084Sadrian uint8_t *ptr; 4332280084Sadrian int error; 4333280084Sadrian 4334280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4335280084Sadrian 4336280086Sadrian WPI_VAP_LOCK_ASSERT(wvp); 4337280084Sadrian 4338280084Sadrian cmd->len = htole16(bcn->m->m_pkthdr.len); 4339280084Sadrian cmd->plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 4340280084Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 4341280084Sadrian 4342280084Sadrian /* XXX seems to be unused */ 4343280084Sadrian if (*(bo->bo_tim) == IEEE80211_ELEMID_TIM) { 4344280084Sadrian tie = (struct ieee80211_tim_ie *) bo->bo_tim; 4345280084Sadrian ptr = mtod(bcn->m, uint8_t *); 4346280084Sadrian 4347280084Sadrian cmd->tim = htole16(bo->bo_tim - ptr); 4348280084Sadrian cmd->timsz = tie->tim_len; 4349280084Sadrian } 4350280084Sadrian 4351280084Sadrian /* Necessary for recursion in ieee80211_beacon_update(). */ 4352280084Sadrian m = bcn->m; 4353280084Sadrian bcn->m = m_dup(m, M_NOWAIT); 4354280084Sadrian if (bcn->m == NULL) { 4355280084Sadrian device_printf(sc->sc_dev, 4356280084Sadrian "%s: could not copy beacon frame\n", __func__); 4357280084Sadrian error = ENOMEM; 4358280084Sadrian goto end; 4359280084Sadrian } 4360280084Sadrian 4361280084Sadrian if ((error = wpi_cmd2(sc, bcn)) != 0) { 4362280084Sadrian device_printf(sc->sc_dev, 4363280084Sadrian "%s: could not update beacon frame, error %d", __func__, 4364280084Sadrian error); 4365280084Sadrian } 4366280084Sadrian 4367280084Sadrian /* Restore mbuf. */ 4368280084Sadrianend: bcn->m = m; 4369280084Sadrian 4370280084Sadrian return error; 4371280084Sadrian} 4372280084Sadrian 4373280084Sadrianstatic int 4374278366Sadrianwpi_setup_beacon(struct wpi_softc *sc, struct ieee80211_node *ni) 4375173362Sbenjsc{ 4376280082Sadrian struct wpi_vap *wvp = WPI_VAP(ni->ni_vap); 4377278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4378280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4379278366Sadrian struct mbuf *m; 4380280084Sadrian int error; 4381173362Sbenjsc 4382278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4383278366Sadrian 4384278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) 4385278366Sadrian return EINVAL; 4386278366Sadrian 4387280084Sadrian m = ieee80211_beacon_alloc(ni, bo); 4388278366Sadrian if (m == NULL) { 4389278366Sadrian device_printf(sc->sc_dev, 4390278366Sadrian "%s: could not allocate beacon frame\n", __func__); 4391278366Sadrian return ENOMEM; 4392173362Sbenjsc } 4393173362Sbenjsc 4394280086Sadrian WPI_VAP_LOCK(wvp); 4395280084Sadrian if (bcn->m != NULL) 4396280084Sadrian m_freem(bcn->m); 4397278366Sadrian 4398278366Sadrian bcn->m = m; 4399278366Sadrian 4400280084Sadrian error = wpi_config_beacon(wvp); 4401280086Sadrian WPI_VAP_UNLOCK(wvp); 4402280084Sadrian 4403280084Sadrian return error; 4404278366Sadrian} 4405278366Sadrian 4406278366Sadrianstatic void 4407278366Sadrianwpi_update_beacon(struct ieee80211vap *vap, int item) 4408278366Sadrian{ 4409286437Sadrian struct wpi_softc *sc = vap->iv_ic->ic_ifp->if_softc; 4410280084Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4411280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4412280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4413278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4414280084Sadrian int mcast = 0; 4415278366Sadrian 4416280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4417280084Sadrian 4418280086Sadrian WPI_VAP_LOCK(wvp); 4419280084Sadrian if (bcn->m == NULL) { 4420280084Sadrian bcn->m = ieee80211_beacon_alloc(ni, bo); 4421280084Sadrian if (bcn->m == NULL) { 4422280084Sadrian device_printf(sc->sc_dev, 4423280084Sadrian "%s: could not allocate beacon frame\n", __func__); 4424280084Sadrian 4425280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, 4426280084Sadrian __func__); 4427280084Sadrian 4428280086Sadrian WPI_VAP_UNLOCK(wvp); 4429280084Sadrian return; 4430280084Sadrian } 4431173362Sbenjsc } 4432280086Sadrian WPI_VAP_UNLOCK(wvp); 4433280084Sadrian 4434280084Sadrian if (item == IEEE80211_BEACON_TIM) 4435280084Sadrian mcast = 1; /* TODO */ 4436280084Sadrian 4437280084Sadrian setbit(bo->bo_flags, item); 4438280084Sadrian ieee80211_beacon_update(ni, bo, bcn->m, mcast); 4439280084Sadrian 4440280086Sadrian WPI_VAP_LOCK(wvp); 4441280084Sadrian wpi_config_beacon(wvp); 4442280086Sadrian WPI_VAP_UNLOCK(wvp); 4443280084Sadrian 4444280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4445278366Sadrian} 4446173362Sbenjsc 4447280079Sadrianstatic void 4448280079Sadrianwpi_newassoc(struct ieee80211_node *ni, int isnew) 4449280079Sadrian{ 4450280079Sadrian struct ieee80211vap *vap = ni->ni_vap; 4451286437Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4452280079Sadrian struct wpi_node *wn = WPI_NODE(ni); 4453280079Sadrian int error; 4454280079Sadrian 4455280079Sadrian WPI_NT_LOCK(sc); 4456280079Sadrian 4457280079Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4458280079Sadrian 4459280079Sadrian if (vap->iv_opmode != IEEE80211_M_STA && wn->id == WPI_ID_UNDEFINED) { 4460280079Sadrian if ((error = wpi_add_ibss_node(sc, ni)) != 0) { 4461280079Sadrian device_printf(sc->sc_dev, 4462280079Sadrian "%s: could not add IBSS node, error %d\n", 4463280079Sadrian __func__, error); 4464280079Sadrian } 4465280079Sadrian } 4466280079Sadrian WPI_NT_UNLOCK(sc); 4467280079Sadrian} 4468280079Sadrian 4469278366Sadrianstatic int 4470278366Sadrianwpi_run(struct wpi_softc *sc, struct ieee80211vap *vap) 4471278366Sadrian{ 4472278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4473278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4474282371Sadrian struct ieee80211_channel *c = ni->ni_chan; 4475278366Sadrian int error; 4476278366Sadrian 4477278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4478278366Sadrian 4479278366Sadrian if (vap->iv_opmode == IEEE80211_M_MONITOR) { 4480278366Sadrian /* Link LED blinks while monitoring. */ 4481278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 5, 5); 4482278366Sadrian return 0; 4483173362Sbenjsc } 4484278366Sadrian 4485278366Sadrian /* XXX kernel panic workaround */ 4486282371Sadrian if (c == IEEE80211_CHAN_ANYC) { 4487278366Sadrian device_printf(sc->sc_dev, "%s: incomplete configuration\n", 4488278366Sadrian __func__); 4489195562Srpaulo return EINVAL; 4490173362Sbenjsc } 4491278366Sadrian 4492278366Sadrian if ((error = wpi_set_timing(sc, ni)) != 0) { 4493278366Sadrian device_printf(sc->sc_dev, 4494278366Sadrian "%s: could not set timing, error %d\n", __func__, error); 4495173362Sbenjsc return error; 4496173362Sbenjsc } 4497173362Sbenjsc 4498278366Sadrian /* Update adapter configuration. */ 4499280108Sadrian WPI_RXON_LOCK(sc); 4500278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4501278366Sadrian sc->rxon.associd = htole16(IEEE80211_NODE_AID(ni)); 4502282371Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 4503278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4504282371Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) 4505278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4506278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4507278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4508278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4509278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4510282371Sadrian if (IEEE80211_IS_CHAN_A(c)) { 4511278366Sadrian sc->rxon.cck_mask = 0; 4512278366Sadrian sc->rxon.ofdm_mask = 0x15; 4513282371Sadrian } else if (IEEE80211_IS_CHAN_B(c)) { 4514278366Sadrian sc->rxon.cck_mask = 0x03; 4515278366Sadrian sc->rxon.ofdm_mask = 0; 4516278366Sadrian } else { 4517278366Sadrian /* Assume 802.11b/g. */ 4518278366Sadrian sc->rxon.cck_mask = 0x0f; 4519278366Sadrian sc->rxon.ofdm_mask = 0x15; 4520173362Sbenjsc } 4521278366Sadrian sc->rxon.filter |= htole32(WPI_FILTER_BSS); 4522173362Sbenjsc 4523278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x\n", 4524278366Sadrian sc->rxon.chan, sc->rxon.flags); 4525278366Sadrian 4526278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4527278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4528278366Sadrian __func__); 4529173362Sbenjsc return error; 4530173362Sbenjsc } 4531173362Sbenjsc 4532280108Sadrian /* Start periodic calibration timer. */ 4533280108Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 4534280108Sadrian 4535280108Sadrian WPI_RXON_UNLOCK(sc); 4536280108Sadrian 4537280105Sadrian if (vap->iv_opmode == IEEE80211_M_IBSS || 4538280105Sadrian vap->iv_opmode == IEEE80211_M_HOSTAP) { 4539278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 4540278366Sadrian device_printf(sc->sc_dev, 4541278366Sadrian "%s: could not setup beacon, error %d\n", __func__, 4542278366Sadrian error); 4543278366Sadrian return error; 4544278366Sadrian } 4545173362Sbenjsc } 4546173362Sbenjsc 4547278366Sadrian if (vap->iv_opmode == IEEE80211_M_STA) { 4548278366Sadrian /* Add BSS node. */ 4549280077Sadrian WPI_NT_LOCK(sc); 4550280070Sadrian error = wpi_add_sta_node(sc, ni); 4551280077Sadrian WPI_NT_UNLOCK(sc); 4552280070Sadrian if (error != 0) { 4553278366Sadrian device_printf(sc->sc_dev, 4554278366Sadrian "%s: could not add BSS node, error %d\n", __func__, 4555278366Sadrian error); 4556278366Sadrian return error; 4557278366Sadrian } 4558278366Sadrian } 4559173362Sbenjsc 4560278366Sadrian /* Link LED always on while associated. */ 4561278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 4562173362Sbenjsc 4563278366Sadrian /* Enable power-saving mode if requested by user. */ 4564280099Sadrian if ((vap->iv_flags & IEEE80211_F_PMGTON) && 4565280099Sadrian vap->iv_opmode != IEEE80211_M_IBSS) 4566278366Sadrian (void)wpi_set_pslevel(sc, 0, 3, 1); 4567173362Sbenjsc 4568278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4569173362Sbenjsc 4570278366Sadrian return 0; 4571173362Sbenjsc} 4572173362Sbenjsc 4573173362Sbenjscstatic int 4574280088Sadrianwpi_load_key(struct ieee80211_node *ni, const struct ieee80211_key *k) 4575173362Sbenjsc{ 4576278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4577280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4578286437Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4579280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4580278366Sadrian struct wpi_node_info node; 4581278366Sadrian uint16_t kflags; 4582278366Sadrian int error; 4583173362Sbenjsc 4584278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4585173362Sbenjsc 4586280088Sadrian if (wpi_check_node_entry(sc, wn->id) == 0) { 4587280088Sadrian device_printf(sc->sc_dev, "%s: node does not exist\n", 4588280088Sadrian __func__); 4589280088Sadrian return 0; 4590280088Sadrian } 4591280088Sadrian 4592278366Sadrian switch (cip->ic_cipher) { 4593278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4594278366Sadrian kflags = WPI_KFLAG_CCMP; 4595278366Sadrian break; 4596280088Sadrian 4597278366Sadrian default: 4598280088Sadrian device_printf(sc->sc_dev, "%s: unknown cipher %d\n", __func__, 4599280088Sadrian cip->ic_cipher); 4600280088Sadrian return 0; 4601278366Sadrian } 4602173362Sbenjsc 4603278366Sadrian kflags |= WPI_KFLAG_KID(k->wk_keyix); 4604278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4605278366Sadrian kflags |= WPI_KFLAG_MULTICAST; 4606173362Sbenjsc 4607278366Sadrian memset(&node, 0, sizeof node); 4608278366Sadrian node.id = wn->id; 4609278366Sadrian node.control = WPI_NODE_UPDATE; 4610278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4611278366Sadrian node.kflags = htole16(kflags); 4612278366Sadrian memcpy(node.key, k->wk_key, k->wk_keylen); 4613280088Sadrianagain: 4614280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, 4615280088Sadrian "%s: setting %s key id %d for node %d (%s)\n", __func__, 4616280088Sadrian (kflags & WPI_KFLAG_MULTICAST) ? "group" : "ucast", k->wk_keyix, 4617280088Sadrian node.id, ether_sprintf(ni->ni_macaddr)); 4618173362Sbenjsc 4619278366Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4620278366Sadrian if (error != 0) { 4621278366Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4622278366Sadrian error); 4623280088Sadrian return !error; 4624173362Sbenjsc } 4625173362Sbenjsc 4626280088Sadrian if (!(kflags & WPI_KFLAG_MULTICAST) && &vap->iv_nw_keys[0] <= k && 4627280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4628280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4629280088Sadrian node.kflags = htole16(kflags); 4630280088Sadrian 4631280088Sadrian goto again; 4632280088Sadrian } 4633280088Sadrian 4634278366Sadrian return 1; 4635173362Sbenjsc} 4636173362Sbenjsc 4637280088Sadrianstatic void 4638280088Sadrianwpi_load_key_cb(void *arg, struct ieee80211_node *ni) 4639280088Sadrian{ 4640280088Sadrian const struct ieee80211_key *k = arg; 4641280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4642286437Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4643280088Sadrian struct wpi_node *wn = WPI_NODE(ni); 4644280088Sadrian int error; 4645280088Sadrian 4646280088Sadrian if (vap->iv_bss == ni && wn->id == WPI_ID_UNDEFINED) 4647280088Sadrian return; 4648280088Sadrian 4649280088Sadrian WPI_NT_LOCK(sc); 4650280088Sadrian error = wpi_load_key(ni, k); 4651280088Sadrian WPI_NT_UNLOCK(sc); 4652280088Sadrian 4653280088Sadrian if (error == 0) { 4654280088Sadrian device_printf(sc->sc_dev, "%s: error while setting key\n", 4655280088Sadrian __func__); 4656280088Sadrian } 4657280088Sadrian} 4658280088Sadrian 4659278366Sadrianstatic int 4660280088Sadrianwpi_set_global_keys(struct ieee80211_node *ni) 4661173362Sbenjsc{ 4662280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4663280088Sadrian struct ieee80211_key *wk = &vap->iv_nw_keys[0]; 4664280088Sadrian int error = 1; 4665280088Sadrian 4666280088Sadrian for (; wk < &vap->iv_nw_keys[IEEE80211_WEP_NKID] && error; wk++) 4667280088Sadrian if (wk->wk_keyix != IEEE80211_KEYIX_NONE) 4668280088Sadrian error = wpi_load_key(ni, wk); 4669280088Sadrian 4670280088Sadrian return !error; 4671280088Sadrian} 4672280088Sadrian 4673280088Sadrianstatic int 4674280088Sadrianwpi_del_key(struct ieee80211_node *ni, const struct ieee80211_key *k) 4675280088Sadrian{ 4676280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4677286437Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4678280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4679278366Sadrian struct wpi_node_info node; 4680280088Sadrian uint16_t kflags; 4681280088Sadrian int error; 4682173362Sbenjsc 4683278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4684173362Sbenjsc 4685280088Sadrian if (wpi_check_node_entry(sc, wn->id) == 0) { 4686280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: node was removed\n", __func__); 4687280088Sadrian return 1; /* Nothing to do. */ 4688278366Sadrian } 4689173362Sbenjsc 4690280088Sadrian kflags = WPI_KFLAG_KID(k->wk_keyix); 4691280088Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4692280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4693173362Sbenjsc 4694278366Sadrian memset(&node, 0, sizeof node); 4695278366Sadrian node.id = wn->id; 4696278366Sadrian node.control = WPI_NODE_UPDATE; 4697278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4698280088Sadrian node.kflags = htole16(kflags); 4699280088Sadrianagain: 4700280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: deleting %s key %d for node %d (%s)\n", 4701280088Sadrian __func__, (kflags & WPI_KFLAG_MULTICAST) ? "group" : "ucast", 4702280088Sadrian k->wk_keyix, node.id, ether_sprintf(ni->ni_macaddr)); 4703173362Sbenjsc 4704280088Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4705280088Sadrian if (error != 0) { 4706280088Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4707280088Sadrian error); 4708280088Sadrian return !error; 4709280088Sadrian } 4710173362Sbenjsc 4711280088Sadrian if (!(kflags & WPI_KFLAG_MULTICAST) && &vap->iv_nw_keys[0] <= k && 4712280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4713280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4714280088Sadrian node.kflags = htole16(kflags); 4715280088Sadrian 4716280088Sadrian goto again; 4717280088Sadrian } 4718280088Sadrian 4719278366Sadrian return 1; 4720173362Sbenjsc} 4721173362Sbenjsc 4722280088Sadrianstatic void 4723280088Sadrianwpi_del_key_cb(void *arg, struct ieee80211_node *ni) 4724280088Sadrian{ 4725280088Sadrian const struct ieee80211_key *k = arg; 4726280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4727286437Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4728280088Sadrian struct wpi_node *wn = WPI_NODE(ni); 4729280088Sadrian int error; 4730280088Sadrian 4731280088Sadrian if (vap->iv_bss == ni && wn->id == WPI_ID_UNDEFINED) 4732280088Sadrian return; 4733280088Sadrian 4734280088Sadrian WPI_NT_LOCK(sc); 4735280088Sadrian error = wpi_del_key(ni, k); 4736280088Sadrian WPI_NT_UNLOCK(sc); 4737280088Sadrian 4738280088Sadrian if (error == 0) { 4739280088Sadrian device_printf(sc->sc_dev, "%s: error while deleting key\n", 4740280088Sadrian __func__); 4741280088Sadrian } 4742280088Sadrian} 4743280088Sadrian 4744280088Sadrianstatic int 4745280088Sadrianwpi_process_key(struct ieee80211vap *vap, const struct ieee80211_key *k, 4746280088Sadrian int set) 4747280088Sadrian{ 4748280088Sadrian struct ieee80211com *ic = vap->iv_ic; 4749286437Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4750280088Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4751280088Sadrian struct ieee80211_node *ni; 4752280088Sadrian int error, ni_ref = 0; 4753280088Sadrian 4754280088Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4755280088Sadrian 4756280088Sadrian if (k->wk_flags & IEEE80211_KEY_SWCRYPT) { 4757280088Sadrian /* Not for us. */ 4758280088Sadrian return 1; 4759280088Sadrian } 4760280088Sadrian 4761280088Sadrian if (!(k->wk_flags & IEEE80211_KEY_RECV)) { 4762280088Sadrian /* XMIT keys are handled in wpi_tx_data(). */ 4763280088Sadrian return 1; 4764280088Sadrian } 4765280088Sadrian 4766280088Sadrian /* Handle group keys. */ 4767280088Sadrian if (&vap->iv_nw_keys[0] <= k && 4768280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4769280088Sadrian WPI_NT_LOCK(sc); 4770280088Sadrian if (set) 4771280088Sadrian wvp->wv_gtk |= WPI_VAP_KEY(k->wk_keyix); 4772280088Sadrian else 4773280088Sadrian wvp->wv_gtk &= ~WPI_VAP_KEY(k->wk_keyix); 4774280088Sadrian WPI_NT_UNLOCK(sc); 4775280088Sadrian 4776280088Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 4777280088Sadrian ieee80211_iterate_nodes(&ic->ic_sta, 4778280127Skib set ? wpi_load_key_cb : wpi_del_key_cb, 4779280127Skib __DECONST(void *, k)); 4780280088Sadrian } 4781280088Sadrian 4782280088Sadrian return 1; 4783280088Sadrian } 4784280088Sadrian 4785280088Sadrian switch (vap->iv_opmode) { 4786280088Sadrian case IEEE80211_M_STA: 4787280088Sadrian ni = vap->iv_bss; 4788280088Sadrian break; 4789280088Sadrian 4790280088Sadrian case IEEE80211_M_IBSS: 4791280088Sadrian case IEEE80211_M_AHDEMO: 4792280105Sadrian case IEEE80211_M_HOSTAP: 4793280088Sadrian ni = ieee80211_find_vap_node(&ic->ic_sta, vap, k->wk_macaddr); 4794280088Sadrian if (ni == NULL) 4795280088Sadrian return 0; /* should not happen */ 4796280088Sadrian 4797280088Sadrian ni_ref = 1; 4798280088Sadrian break; 4799280088Sadrian 4800280088Sadrian default: 4801280088Sadrian device_printf(sc->sc_dev, "%s: unknown opmode %d\n", __func__, 4802280088Sadrian vap->iv_opmode); 4803280088Sadrian return 0; 4804280088Sadrian } 4805280088Sadrian 4806280088Sadrian WPI_NT_LOCK(sc); 4807280088Sadrian if (set) 4808280088Sadrian error = wpi_load_key(ni, k); 4809280088Sadrian else 4810280088Sadrian error = wpi_del_key(ni, k); 4811280088Sadrian WPI_NT_UNLOCK(sc); 4812280088Sadrian 4813280088Sadrian if (ni_ref) 4814280088Sadrian ieee80211_node_decref(ni); 4815280088Sadrian 4816280088Sadrian return error; 4817280088Sadrian} 4818280088Sadrian 4819280088Sadrianstatic int 4820280088Sadrianwpi_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k, 4821280088Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 4822280088Sadrian{ 4823280088Sadrian return wpi_process_key(vap, k, 1); 4824280088Sadrian} 4825280088Sadrian 4826280088Sadrianstatic int 4827280088Sadrianwpi_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 4828280088Sadrian{ 4829280088Sadrian return wpi_process_key(vap, k, 0); 4830280088Sadrian} 4831280088Sadrian 4832278366Sadrian/* 4833278366Sadrian * This function is called after the runtime firmware notifies us of its 4834278366Sadrian * readiness (called in a process context). 4835278366Sadrian */ 4836278366Sadrianstatic int 4837278366Sadrianwpi_post_alive(struct wpi_softc *sc) 4838177043Sthompsa{ 4839278366Sadrian int ntries, error; 4840177043Sthompsa 4841278366Sadrian /* Check (again) that the radio is not disabled. */ 4842278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4843278366Sadrian return error; 4844177043Sthompsa 4845278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4846278366Sadrian 4847278366Sadrian /* NB: Runtime firmware must be up and running. */ 4848278366Sadrian if (!(wpi_prph_read(sc, WPI_APMG_RFKILL) & 1)) { 4849282391Sadrian device_printf(sc->sc_dev, 4850278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4851278366Sadrian wpi_nic_unlock(sc); 4852278366Sadrian return EPERM; /* :-) */ 4853278366Sadrian } 4854278366Sadrian wpi_nic_unlock(sc); 4855278366Sadrian 4856278366Sadrian /* Wait for thermal sensor to calibrate. */ 4857177043Sthompsa for (ntries = 0; ntries < 1000; ntries++) { 4858278366Sadrian if ((sc->temp = (int)WPI_READ(sc, WPI_UCODE_GP2)) != 0) 4859177043Sthompsa break; 4860177043Sthompsa DELAY(10); 4861177043Sthompsa } 4862177043Sthompsa 4863177043Sthompsa if (ntries == 1000) { 4864177043Sthompsa device_printf(sc->sc_dev, 4865278366Sadrian "timeout waiting for thermal sensor calibration\n"); 4866280059Sadrian return ETIMEDOUT; 4867280059Sadrian } 4868177043Sthompsa 4869280059Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d\n", sc->temp); 4870280059Sadrian return 0; 4871278366Sadrian} 4872177043Sthompsa 4873278366Sadrian/* 4874278366Sadrian * The firmware boot code is small and is intended to be copied directly into 4875278366Sadrian * the NIC internal memory (no DMA transfer). 4876278366Sadrian */ 4877278366Sadrianstatic int 4878278366Sadrianwpi_load_bootcode(struct wpi_softc *sc, const uint8_t *ucode, int size) 4879278366Sadrian{ 4880278366Sadrian int error, ntries; 4881177043Sthompsa 4882278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, "Loading microcode size 0x%x\n", size); 4883278366Sadrian 4884278366Sadrian size /= sizeof (uint32_t); 4885278366Sadrian 4886278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4887278366Sadrian return error; 4888278366Sadrian 4889278366Sadrian /* Copy microcode image into NIC memory. */ 4890278366Sadrian wpi_prph_write_region_4(sc, WPI_BSM_SRAM_BASE, 4891278366Sadrian (const uint32_t *)ucode, size); 4892278366Sadrian 4893278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_SRC, 0); 4894278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_DST, WPI_FW_TEXT_BASE); 4895278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_DWCOUNT, size); 4896278366Sadrian 4897278366Sadrian /* Start boot load now. */ 4898278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START); 4899278366Sadrian 4900278366Sadrian /* Wait for transfer to complete. */ 4901278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 4902278366Sadrian uint32_t status = WPI_READ(sc, WPI_FH_TX_STATUS); 4903278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4904278366Sadrian "firmware status=0x%x, val=0x%x, result=0x%x\n", status, 4905278366Sadrian WPI_FH_TX_STATUS_IDLE(6), 4906278366Sadrian status & WPI_FH_TX_STATUS_IDLE(6)); 4907278366Sadrian if (status & WPI_FH_TX_STATUS_IDLE(6)) { 4908278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4909278366Sadrian "Status Match! - ntries = %d\n", ntries); 4910278366Sadrian break; 4911178354Ssam } 4912278366Sadrian DELAY(10); 4913177043Sthompsa } 4914278366Sadrian if (ntries == 1000) { 4915278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4916278366Sadrian __func__); 4917278366Sadrian wpi_nic_unlock(sc); 4918278366Sadrian return ETIMEDOUT; 4919278366Sadrian } 4920177043Sthompsa 4921278366Sadrian /* Enable boot after power up. */ 4922278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START_EN); 4923278366Sadrian 4924278366Sadrian wpi_nic_unlock(sc); 4925278366Sadrian return 0; 4926177043Sthompsa} 4927177043Sthompsa 4928278366Sadrianstatic int 4929278366Sadrianwpi_load_firmware(struct wpi_softc *sc) 4930177043Sthompsa{ 4931278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4932278366Sadrian struct wpi_dma_info *dma = &sc->fw_dma; 4933278366Sadrian int error; 4934173362Sbenjsc 4935278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4936173362Sbenjsc 4937278366Sadrian /* Copy initialization sections into pre-allocated DMA-safe memory. */ 4938278366Sadrian memcpy(dma->vaddr, fw->init.data, fw->init.datasz); 4939278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4940278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->init.text, fw->init.textsz); 4941278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4942173362Sbenjsc 4943278366Sadrian /* Tell adapter where to find initialization sections. */ 4944278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4945278366Sadrian return error; 4946278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4947278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->init.datasz); 4948278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4949278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4950278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, fw->init.textsz); 4951278366Sadrian wpi_nic_unlock(sc); 4952173362Sbenjsc 4953278366Sadrian /* Load firmware boot code. */ 4954278366Sadrian error = wpi_load_bootcode(sc, fw->boot.text, fw->boot.textsz); 4955278366Sadrian if (error != 0) { 4956278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4957278366Sadrian __func__); 4958278366Sadrian return error; 4959278366Sadrian } 4960173362Sbenjsc 4961278366Sadrian /* Now press "execute". */ 4962278366Sadrian WPI_WRITE(sc, WPI_RESET, 0); 4963173362Sbenjsc 4964278366Sadrian /* Wait at most one second for first alive notification. */ 4965280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4966278366Sadrian device_printf(sc->sc_dev, 4967278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4968278366Sadrian __func__, error); 4969278366Sadrian return error; 4970173362Sbenjsc } 4971173362Sbenjsc 4972278366Sadrian /* Copy runtime sections into pre-allocated DMA-safe memory. */ 4973278366Sadrian memcpy(dma->vaddr, fw->main.data, fw->main.datasz); 4974278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4975278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->main.text, fw->main.textsz); 4976278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4977173362Sbenjsc 4978278366Sadrian /* Tell adapter where to find runtime sections. */ 4979278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4980278366Sadrian return error; 4981278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4982278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->main.datasz); 4983278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4984278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4985278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, 4986278366Sadrian WPI_FW_UPDATED | fw->main.textsz); 4987278366Sadrian wpi_nic_unlock(sc); 4988173362Sbenjsc 4989278366Sadrian return 0; 4990278366Sadrian} 4991173362Sbenjsc 4992278366Sadrianstatic int 4993278366Sadrianwpi_read_firmware(struct wpi_softc *sc) 4994278366Sadrian{ 4995278366Sadrian const struct firmware *fp; 4996278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4997278366Sadrian const struct wpi_firmware_hdr *hdr; 4998278366Sadrian int error; 4999173362Sbenjsc 5000278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5001278366Sadrian 5002278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 5003278366Sadrian "Attempting Loading Firmware from %s module\n", WPI_FW_NAME); 5004278366Sadrian 5005278366Sadrian WPI_UNLOCK(sc); 5006278366Sadrian fp = firmware_get(WPI_FW_NAME); 5007278366Sadrian WPI_LOCK(sc); 5008278366Sadrian 5009278366Sadrian if (fp == NULL) { 5010278366Sadrian device_printf(sc->sc_dev, 5011278366Sadrian "could not load firmware image '%s'\n", WPI_FW_NAME); 5012278366Sadrian return EINVAL; 5013173362Sbenjsc } 5014173362Sbenjsc 5015278366Sadrian sc->fw_fp = fp; 5016173362Sbenjsc 5017278366Sadrian if (fp->datasize < sizeof (struct wpi_firmware_hdr)) { 5018278366Sadrian device_printf(sc->sc_dev, 5019278366Sadrian "firmware file too short: %zu bytes\n", fp->datasize); 5020278366Sadrian error = EINVAL; 5021278366Sadrian goto fail; 5022173362Sbenjsc } 5023173362Sbenjsc 5024278366Sadrian fw->size = fp->datasize; 5025278366Sadrian fw->data = (const uint8_t *)fp->data; 5026278366Sadrian 5027278366Sadrian /* Extract firmware header information. */ 5028278366Sadrian hdr = (const struct wpi_firmware_hdr *)fw->data; 5029278366Sadrian 5030278366Sadrian /* | RUNTIME FIRMWARE | INIT FIRMWARE | BOOT FW | 5031278366Sadrian |HDR|<--TEXT-->|<--DATA-->|<--TEXT-->|<--DATA-->|<--TEXT-->| */ 5032278366Sadrian 5033278366Sadrian fw->main.textsz = le32toh(hdr->rtextsz); 5034278366Sadrian fw->main.datasz = le32toh(hdr->rdatasz); 5035278366Sadrian fw->init.textsz = le32toh(hdr->itextsz); 5036278366Sadrian fw->init.datasz = le32toh(hdr->idatasz); 5037278366Sadrian fw->boot.textsz = le32toh(hdr->btextsz); 5038278366Sadrian fw->boot.datasz = 0; 5039278366Sadrian 5040278366Sadrian /* Sanity-check firmware header. */ 5041278366Sadrian if (fw->main.textsz > WPI_FW_TEXT_MAXSZ || 5042278366Sadrian fw->main.datasz > WPI_FW_DATA_MAXSZ || 5043278366Sadrian fw->init.textsz > WPI_FW_TEXT_MAXSZ || 5044278366Sadrian fw->init.datasz > WPI_FW_DATA_MAXSZ || 5045278366Sadrian fw->boot.textsz > WPI_FW_BOOT_TEXT_MAXSZ || 5046278366Sadrian (fw->boot.textsz & 3) != 0) { 5047278366Sadrian device_printf(sc->sc_dev, "invalid firmware header\n"); 5048278366Sadrian error = EINVAL; 5049278366Sadrian goto fail; 5050173362Sbenjsc } 5051173362Sbenjsc 5052278366Sadrian /* Check that all firmware sections fit. */ 5053278366Sadrian if (fw->size < sizeof (*hdr) + fw->main.textsz + fw->main.datasz + 5054278366Sadrian fw->init.textsz + fw->init.datasz + fw->boot.textsz) { 5055173362Sbenjsc device_printf(sc->sc_dev, 5056278366Sadrian "firmware file too short: %zu bytes\n", fw->size); 5057278366Sadrian error = EINVAL; 5058278366Sadrian goto fail; 5059173362Sbenjsc } 5060173362Sbenjsc 5061278366Sadrian /* Get pointers to firmware sections. */ 5062278366Sadrian fw->main.text = (const uint8_t *)(hdr + 1); 5063278366Sadrian fw->main.data = fw->main.text + fw->main.textsz; 5064278366Sadrian fw->init.text = fw->main.data + fw->main.datasz; 5065278366Sadrian fw->init.data = fw->init.text + fw->init.textsz; 5066278366Sadrian fw->boot.text = fw->init.data + fw->init.datasz; 5067177043Sthompsa 5068278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 5069278366Sadrian "Firmware Version: Major %d, Minor %d, Driver %d, \n" 5070280066Sadrian "runtime (text: %u, data: %u) init (text: %u, data %u) " 5071280066Sadrian "boot (text %u)\n", hdr->major, hdr->minor, le32toh(hdr->driver), 5072278366Sadrian fw->main.textsz, fw->main.datasz, 5073278366Sadrian fw->init.textsz, fw->init.datasz, fw->boot.textsz); 5074278366Sadrian 5075278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.text %p\n", fw->main.text); 5076278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.data %p\n", fw->main.data); 5077278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.text %p\n", fw->init.text); 5078278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.data %p\n", fw->init.data); 5079278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->boot.text %p\n", fw->boot.text); 5080278366Sadrian 5081278366Sadrian return 0; 5082278366Sadrian 5083278366Sadrianfail: wpi_unload_firmware(sc); 5084278366Sadrian return error; 5085173362Sbenjsc} 5086173362Sbenjsc 5087278366Sadrian/** 5088278366Sadrian * Free the referenced firmware image 5089278366Sadrian */ 5090173362Sbenjscstatic void 5091278366Sadrianwpi_unload_firmware(struct wpi_softc *sc) 5092173362Sbenjsc{ 5093278366Sadrian if (sc->fw_fp != NULL) { 5094278366Sadrian firmware_put(sc->fw_fp, FIRMWARE_UNLOAD); 5095278366Sadrian sc->fw_fp = NULL; 5096278366Sadrian } 5097278366Sadrian} 5098173362Sbenjsc 5099278366Sadrianstatic int 5100278366Sadrianwpi_clock_wait(struct wpi_softc *sc) 5101278366Sadrian{ 5102278366Sadrian int ntries; 5103173362Sbenjsc 5104278366Sadrian /* Set "initialization complete" bit. */ 5105278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 5106278366Sadrian 5107278366Sadrian /* Wait for clock stabilization. */ 5108278366Sadrian for (ntries = 0; ntries < 2500; ntries++) { 5109278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_MAC_CLOCK_READY) 5110278366Sadrian return 0; 5111278366Sadrian DELAY(100); 5112278366Sadrian } 5113278366Sadrian device_printf(sc->sc_dev, 5114278366Sadrian "%s: timeout waiting for clock stabilization\n", __func__); 5115278366Sadrian 5116278366Sadrian return ETIMEDOUT; 5117173362Sbenjsc} 5118178354Ssam 5119278366Sadrianstatic int 5120278366Sadrianwpi_apm_init(struct wpi_softc *sc) 5121173362Sbenjsc{ 5122278366Sadrian uint32_t reg; 5123278366Sadrian int error; 5124173362Sbenjsc 5125278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5126173362Sbenjsc 5127278366Sadrian /* Disable L0s exit timer (NMI bug workaround). */ 5128278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_DIS_L0S_TIMER); 5129278366Sadrian /* Don't wait for ICH L0s (ICH bug workaround). */ 5130278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_L1A_NO_L0S_RX); 5131173362Sbenjsc 5132278366Sadrian /* Set FH wait threshold to max (HW bug under stress workaround). */ 5133278366Sadrian WPI_SETBITS(sc, WPI_DBG_HPET_MEM, 0xffff0000); 5134173362Sbenjsc 5135278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 5136278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 5137278366Sadrian /* Workaround for HW instability in PCIe L0->L0s->L1 transition. */ 5138278366Sadrian if (reg & 0x02) /* L1 Entry enabled. */ 5139278366Sadrian WPI_SETBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 5140278366Sadrian else 5141278366Sadrian WPI_CLRBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 5142173362Sbenjsc 5143278366Sadrian WPI_SETBITS(sc, WPI_ANA_PLL, WPI_ANA_PLL_INIT); 5144173362Sbenjsc 5145278366Sadrian /* Wait for clock stabilization before accessing prph. */ 5146278366Sadrian if ((error = wpi_clock_wait(sc)) != 0) 5147278366Sadrian return error; 5148173362Sbenjsc 5149278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5150278366Sadrian return error; 5151281288Sadrian /* Cleanup. */ 5152281288Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 0x00000400); 5153281288Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, 0x00000200); 5154281288Sadrian 5155278366Sadrian /* Enable DMA and BSM (Bootstrap State Machine). */ 5156278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_EN, 5157278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT | WPI_APMG_CLK_CTRL_BSM_CLK_RQT); 5158278366Sadrian DELAY(20); 5159278366Sadrian /* Disable L1-Active. */ 5160278366Sadrian wpi_prph_setbits(sc, WPI_APMG_PCI_STT, WPI_APMG_PCI_STT_L1A_DIS); 5161278366Sadrian wpi_nic_unlock(sc); 5162173362Sbenjsc 5163278366Sadrian return 0; 5164278366Sadrian} 5165173362Sbenjsc 5166278366Sadrianstatic void 5167278366Sadrianwpi_apm_stop_master(struct wpi_softc *sc) 5168278366Sadrian{ 5169278366Sadrian int ntries; 5170278366Sadrian 5171278366Sadrian /* Stop busmaster DMA activity. */ 5172278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_STOP_MASTER); 5173282391Sadrian 5174278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_PS_MASK) == 5175278366Sadrian WPI_GP_CNTRL_MAC_PS) 5176278366Sadrian return; /* Already asleep. */ 5177278366Sadrian 5178278366Sadrian for (ntries = 0; ntries < 100; ntries++) { 5179278366Sadrian if (WPI_READ(sc, WPI_RESET) & WPI_RESET_MASTER_DISABLED) 5180278366Sadrian return; 5181278366Sadrian DELAY(10); 5182278366Sadrian } 5183280066Sadrian device_printf(sc->sc_dev, "%s: timeout waiting for master\n", 5184280066Sadrian __func__); 5185173362Sbenjsc} 5186173362Sbenjsc 5187173362Sbenjscstatic void 5188278366Sadrianwpi_apm_stop(struct wpi_softc *sc) 5189173362Sbenjsc{ 5190278366Sadrian wpi_apm_stop_master(sc); 5191278366Sadrian 5192278366Sadrian /* Reset the entire device. */ 5193278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_SW); 5194278366Sadrian DELAY(10); 5195278366Sadrian /* Clear "initialization complete" bit. */ 5196278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 5197173362Sbenjsc} 5198173362Sbenjsc 5199173362Sbenjscstatic void 5200278366Sadrianwpi_nic_config(struct wpi_softc *sc) 5201173362Sbenjsc{ 5202278366Sadrian uint32_t rev; 5203173362Sbenjsc 5204278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5205177043Sthompsa 5206278366Sadrian /* voodoo from the Linux "driver".. */ 5207278366Sadrian rev = pci_read_config(sc->sc_dev, PCIR_REVID, 1); 5208278366Sadrian if ((rev & 0xc0) == 0x40) 5209278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MB); 5210278366Sadrian else if (!(rev & 0x80)) 5211278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MM); 5212173362Sbenjsc 5213278366Sadrian if (sc->cap == 0x80) 5214278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_SKU_MRC); 5215173362Sbenjsc 5216280076Sadrian if ((sc->rev & 0xf0) == 0xd0) 5217278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 5218278366Sadrian else 5219278366Sadrian WPI_CLRBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 5220278366Sadrian 5221278366Sadrian if (sc->type > 1) 5222278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_TYPE_B); 5223173362Sbenjsc} 5224173362Sbenjsc 5225278366Sadrianstatic int 5226278366Sadrianwpi_hw_init(struct wpi_softc *sc) 5227173362Sbenjsc{ 5228278366Sadrian int chnl, ntries, error; 5229178354Ssam 5230278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 5231278366Sadrian 5232278366Sadrian /* Clear pending interrupts. */ 5233278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5234278366Sadrian 5235278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 5236278366Sadrian device_printf(sc->sc_dev, 5237278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 5238278366Sadrian error); 5239278366Sadrian return error; 5240173362Sbenjsc } 5241173362Sbenjsc 5242278366Sadrian /* Select VMAIN power source. */ 5243278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5244278366Sadrian return error; 5245278366Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, WPI_APMG_PS_PWR_SRC_MASK); 5246278366Sadrian wpi_nic_unlock(sc); 5247278366Sadrian /* Spin until VMAIN gets selected. */ 5248278366Sadrian for (ntries = 0; ntries < 5000; ntries++) { 5249278366Sadrian if (WPI_READ(sc, WPI_GPIO_IN) & WPI_GPIO_IN_VMAIN) 5250278366Sadrian break; 5251278366Sadrian DELAY(10); 5252278366Sadrian } 5253278366Sadrian if (ntries == 5000) { 5254278366Sadrian device_printf(sc->sc_dev, "timeout selecting power source\n"); 5255278366Sadrian return ETIMEDOUT; 5256278366Sadrian } 5257173362Sbenjsc 5258278366Sadrian /* Perform adapter initialization. */ 5259278366Sadrian wpi_nic_config(sc); 5260173362Sbenjsc 5261278366Sadrian /* Initialize RX ring. */ 5262278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5263278366Sadrian return error; 5264278366Sadrian /* Set physical address of RX ring. */ 5265278366Sadrian WPI_WRITE(sc, WPI_FH_RX_BASE, sc->rxq.desc_dma.paddr); 5266278366Sadrian /* Set physical address of RX read pointer. */ 5267278366Sadrian WPI_WRITE(sc, WPI_FH_RX_RPTR_ADDR, sc->shared_dma.paddr + 5268278366Sadrian offsetof(struct wpi_shared, next)); 5269278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, 0); 5270278366Sadrian /* Enable RX. */ 5271278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 5272278366Sadrian WPI_FH_RX_CONFIG_DMA_ENA | 5273278366Sadrian WPI_FH_RX_CONFIG_RDRBD_ENA | 5274278366Sadrian WPI_FH_RX_CONFIG_WRSTATUS_ENA | 5275278366Sadrian WPI_FH_RX_CONFIG_MAXFRAG | 5276278366Sadrian WPI_FH_RX_CONFIG_NRBD(WPI_RX_RING_COUNT_LOG) | 5277278366Sadrian WPI_FH_RX_CONFIG_IRQ_DST_HOST | 5278278366Sadrian WPI_FH_RX_CONFIG_IRQ_TIMEOUT(1)); 5279278366Sadrian (void)WPI_READ(sc, WPI_FH_RSSR_TBL); /* barrier */ 5280278366Sadrian wpi_nic_unlock(sc); 5281278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, (WPI_RX_RING_COUNT - 1) & ~7); 5282173362Sbenjsc 5283278366Sadrian /* Initialize TX rings. */ 5284278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5285278366Sadrian return error; 5286278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 2); /* bypass mode */ 5287278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_ARASTAT, 1); /* enable RA0 */ 5288278366Sadrian /* Enable all 6 TX rings. */ 5289278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0x3f); 5290278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE1, 0x10000); 5291278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE2, 0x30002); 5292278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF4MF, 4); 5293278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF5MF, 5); 5294278366Sadrian /* Set physical address of TX rings. */ 5295278366Sadrian WPI_WRITE(sc, WPI_FH_TX_BASE, sc->shared_dma.paddr); 5296278366Sadrian WPI_WRITE(sc, WPI_FH_MSG_CONFIG, 0xffff05a5); 5297278366Sadrian 5298278366Sadrian /* Enable all DMA channels. */ 5299278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 5300278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_CTRL(chnl), 0); 5301278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_BASE(chnl), 0); 5302278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0x80200008); 5303173362Sbenjsc } 5304278366Sadrian wpi_nic_unlock(sc); 5305278366Sadrian (void)WPI_READ(sc, WPI_FH_TX_BASE); /* barrier */ 5306278366Sadrian 5307278366Sadrian /* Clear "radio off" and "commands blocked" bits. */ 5308278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5309278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_CMD_BLOCKED); 5310278366Sadrian 5311278366Sadrian /* Clear pending interrupts. */ 5312278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5313278366Sadrian /* Enable interrupts. */ 5314278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 5315278366Sadrian 5316278366Sadrian /* _Really_ make sure "radio off" bit is cleared! */ 5317278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5318278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5319278366Sadrian 5320278366Sadrian if ((error = wpi_load_firmware(sc)) != 0) { 5321278366Sadrian device_printf(sc->sc_dev, 5322278366Sadrian "%s: could not load firmware, error %d\n", __func__, 5323278366Sadrian error); 5324278366Sadrian return error; 5325278366Sadrian } 5326278366Sadrian /* Wait at most one second for firmware alive notification. */ 5327280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 5328278366Sadrian device_printf(sc->sc_dev, 5329278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 5330278366Sadrian __func__, error); 5331278366Sadrian return error; 5332278366Sadrian } 5333278366Sadrian 5334278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 5335278366Sadrian 5336278366Sadrian /* Do post-firmware initialization. */ 5337278366Sadrian return wpi_post_alive(sc); 5338173362Sbenjsc} 5339173362Sbenjsc 5340173362Sbenjscstatic void 5341278366Sadrianwpi_hw_stop(struct wpi_softc *sc) 5342173362Sbenjsc{ 5343278366Sadrian int chnl, qid, ntries; 5344173362Sbenjsc 5345278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5346173362Sbenjsc 5347278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) 5348278366Sadrian wpi_nic_lock(sc); 5349173362Sbenjsc 5350278366Sadrian WPI_WRITE(sc, WPI_RESET, WPI_RESET_NEVO); 5351173362Sbenjsc 5352278366Sadrian /* Disable interrupts. */ 5353278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 5354278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5355278366Sadrian WPI_WRITE(sc, WPI_FH_INT, 0xffffffff); 5356173362Sbenjsc 5357278366Sadrian /* Make sure we no longer hold the NIC lock. */ 5358278366Sadrian wpi_nic_unlock(sc); 5359173362Sbenjsc 5360278366Sadrian if (wpi_nic_lock(sc) == 0) { 5361278366Sadrian /* Stop TX scheduler. */ 5362278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 0); 5363278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0); 5364179957Sthompsa 5365278366Sadrian /* Stop all DMA channels. */ 5366278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 5367278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0); 5368278366Sadrian for (ntries = 0; ntries < 200; ntries++) { 5369278366Sadrian if (WPI_READ(sc, WPI_FH_TX_STATUS) & 5370278366Sadrian WPI_FH_TX_STATUS_IDLE(chnl)) 5371278366Sadrian break; 5372278366Sadrian DELAY(10); 5373278366Sadrian } 5374173362Sbenjsc } 5375278366Sadrian wpi_nic_unlock(sc); 5376278366Sadrian } 5377173362Sbenjsc 5378278366Sadrian /* Stop RX ring. */ 5379278366Sadrian wpi_reset_rx_ring(sc); 5380173362Sbenjsc 5381278366Sadrian /* Reset all TX rings. */ 5382278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 5383278366Sadrian wpi_reset_tx_ring(sc, &sc->txq[qid]); 5384173362Sbenjsc 5385278366Sadrian if (wpi_nic_lock(sc) == 0) { 5386278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 5387278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT); 5388278366Sadrian wpi_nic_unlock(sc); 5389173362Sbenjsc } 5390278366Sadrian DELAY(5); 5391278366Sadrian /* Power OFF adapter. */ 5392278366Sadrian wpi_apm_stop(sc); 5393173362Sbenjsc} 5394173362Sbenjsc 5395173362Sbenjscstatic void 5396278366Sadrianwpi_radio_on(void *arg0, int pending) 5397173362Sbenjsc{ 5398278366Sadrian struct wpi_softc *sc = arg0; 5399286437Sadrian struct ifnet *ifp = sc->sc_ifp; 5400286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 5401278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5402173362Sbenjsc 5403278366Sadrian device_printf(sc->sc_dev, "RF switch: radio enabled\n"); 5404173362Sbenjsc 5405286437Sadrian if (vap != NULL) { 5406286437Sadrian wpi_init(sc); 5407286437Sadrian ieee80211_init(vap); 5408286437Sadrian } 5409286410Sglebius 5410286437Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL) { 5411286437Sadrian WPI_LOCK(sc); 5412286437Sadrian callout_stop(&sc->watchdog_rfkill); 5413286437Sadrian WPI_UNLOCK(sc); 5414286437Sadrian } 5415173362Sbenjsc} 5416173362Sbenjsc 5417278366Sadrianstatic void 5418278366Sadrianwpi_radio_off(void *arg0, int pending) 5419173362Sbenjsc{ 5420278366Sadrian struct wpi_softc *sc = arg0; 5421286437Sadrian struct ifnet *ifp = sc->sc_ifp; 5422286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 5423278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5424173362Sbenjsc 5425278366Sadrian device_printf(sc->sc_dev, "RF switch: radio disabled\n"); 5426173362Sbenjsc 5427278366Sadrian wpi_stop(sc); 5428278366Sadrian if (vap != NULL) 5429278366Sadrian ieee80211_stop(vap); 5430173362Sbenjsc 5431280053Sadrian WPI_LOCK(sc); 5432278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, sc); 5433280053Sadrian WPI_UNLOCK(sc); 5434278366Sadrian} 5435173362Sbenjsc 5436286437Sadrianstatic void 5437286437Sadrianwpi_init(void *arg) 5438278366Sadrian{ 5439286437Sadrian struct wpi_softc *sc = arg; 5440286437Sadrian struct ifnet *ifp = sc->sc_ifp; 5441286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 5442286437Sadrian int error; 5443173362Sbenjsc 5444280096Sadrian WPI_LOCK(sc); 5445280096Sadrian 5446278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 5447173362Sbenjsc 5448286437Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) 5449280096Sadrian goto end; 5450278366Sadrian 5451278366Sadrian /* Check that the radio is not disabled by hardware switch. */ 5452278366Sadrian if (!(WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL)) { 5453278366Sadrian device_printf(sc->sc_dev, 5454278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 5455278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 5456278366Sadrian sc); 5457280096Sadrian goto end; 5458173362Sbenjsc } 5459173362Sbenjsc 5460278366Sadrian /* Read firmware images from the filesystem. */ 5461278366Sadrian if ((error = wpi_read_firmware(sc)) != 0) { 5462278366Sadrian device_printf(sc->sc_dev, 5463278366Sadrian "%s: could not read firmware, error %d\n", __func__, 5464278366Sadrian error); 5465286437Sadrian goto fail; 5466278366Sadrian } 5467173362Sbenjsc 5468278366Sadrian /* Initialize hardware and upload firmware. */ 5469278366Sadrian error = wpi_hw_init(sc); 5470278366Sadrian wpi_unload_firmware(sc); 5471278366Sadrian if (error != 0) { 5472278366Sadrian device_printf(sc->sc_dev, 5473278366Sadrian "%s: could not initialize hardware, error %d\n", __func__, 5474278366Sadrian error); 5475278366Sadrian goto fail; 5476278366Sadrian } 5477173362Sbenjsc 5478278366Sadrian /* Configure adapter now that it is ready. */ 5479286437Sadrian sc->txq_active = 1; 5480278366Sadrian if ((error = wpi_config(sc)) != 0) { 5481278366Sadrian device_printf(sc->sc_dev, 5482278366Sadrian "%s: could not configure device, error %d\n", __func__, 5483278366Sadrian error); 5484278366Sadrian goto fail; 5485278366Sadrian } 5486173362Sbenjsc 5487286437Sadrian IF_LOCK(&ifp->if_snd); 5488286437Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 5489286437Sadrian ifp->if_drv_flags |= IFF_DRV_RUNNING; 5490286437Sadrian IF_UNLOCK(&ifp->if_snd); 5491286437Sadrian 5492278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 5493173362Sbenjsc 5494280096Sadrian WPI_UNLOCK(sc); 5495280096Sadrian 5496286437Sadrian ieee80211_start_all(ic); 5497280096Sadrian 5498286437Sadrian return; 5499286437Sadrian 5500286410Sglebiusfail: wpi_stop_locked(sc); 5501280096Sadrianend: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 5502278366Sadrian WPI_UNLOCK(sc); 5503278366Sadrian} 5504173362Sbenjsc 5505278366Sadrianstatic void 5506278366Sadrianwpi_stop_locked(struct wpi_softc *sc) 5507278366Sadrian{ 5508286437Sadrian struct ifnet *ifp = sc->sc_ifp; 5509173362Sbenjsc 5510278366Sadrian WPI_LOCK_ASSERT(sc); 5511278366Sadrian 5512280071Sadrian WPI_TXQ_LOCK(sc); 5513286437Sadrian sc->txq_active = 0; 5514280071Sadrian WPI_TXQ_UNLOCK(sc); 5515280071Sadrian 5516280112Sadrian WPI_TXQ_STATE_LOCK(sc); 5517280109Sadrian callout_stop(&sc->tx_timeout); 5518280112Sadrian WPI_TXQ_STATE_UNLOCK(sc); 5519280108Sadrian 5520280108Sadrian WPI_RXON_LOCK(sc); 5521280106Sadrian callout_stop(&sc->scan_timeout); 5522278366Sadrian callout_stop(&sc->calib_to); 5523280108Sadrian WPI_RXON_UNLOCK(sc); 5524280097Sadrian 5525286437Sadrian IF_LOCK(&ifp->if_snd); 5526286437Sadrian ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 5527286437Sadrian IF_UNLOCK(&ifp->if_snd); 5528286437Sadrian 5529278366Sadrian /* Power OFF hardware. */ 5530278366Sadrian wpi_hw_stop(sc); 5531173362Sbenjsc} 5532173362Sbenjsc 5533278366Sadrianstatic void 5534278366Sadrianwpi_stop(struct wpi_softc *sc) 5535278366Sadrian{ 5536278366Sadrian WPI_LOCK(sc); 5537278366Sadrian wpi_stop_locked(sc); 5538278366Sadrian WPI_UNLOCK(sc); 5539278366Sadrian} 5540278366Sadrian 5541278366Sadrian/* 5542278366Sadrian * Callback from net80211 to start a scan. 5543173362Sbenjsc */ 5544173362Sbenjscstatic void 5545173362Sbenjscwpi_scan_start(struct ieee80211com *ic) 5546173362Sbenjsc{ 5547286437Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 5548173362Sbenjsc 5549191746Sthompsa wpi_set_led(sc, WPI_LED_LINK, 20, 2); 5550173362Sbenjsc} 5551173362Sbenjsc 5552278366Sadrian/* 5553278366Sadrian * Callback from net80211 to terminate a scan. 5554173362Sbenjsc */ 5555173362Sbenjscstatic void 5556173362Sbenjscwpi_scan_end(struct ieee80211com *ic) 5557173362Sbenjsc{ 5558286437Sadrian struct ifnet *ifp = ic->ic_ifp; 5559286437Sadrian struct wpi_softc *sc = ifp->if_softc; 5560278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5561278366Sadrian 5562280073Sadrian if (vap->iv_state == IEEE80211_S_RUN) 5563278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 5564173362Sbenjsc} 5565173362Sbenjsc 5566173362Sbenjsc/** 5567173362Sbenjsc * Called by the net80211 framework to indicate to the driver 5568173362Sbenjsc * that the channel should be changed 5569173362Sbenjsc */ 5570173362Sbenjscstatic void 5571173362Sbenjscwpi_set_channel(struct ieee80211com *ic) 5572173362Sbenjsc{ 5573278366Sadrian const struct ieee80211_channel *c = ic->ic_curchan; 5574286437Sadrian struct ifnet *ifp = ic->ic_ifp; 5575286437Sadrian struct wpi_softc *sc = ifp->if_softc; 5576191746Sthompsa int error; 5577173362Sbenjsc 5578278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5579278366Sadrian 5580278366Sadrian WPI_LOCK(sc); 5581278366Sadrian sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq); 5582278366Sadrian sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags); 5583280113Sadrian WPI_UNLOCK(sc); 5584280113Sadrian WPI_TX_LOCK(sc); 5585278366Sadrian sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq); 5586278366Sadrian sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags); 5587280113Sadrian WPI_TX_UNLOCK(sc); 5588278366Sadrian 5589177043Sthompsa /* 5590177043Sthompsa * Only need to set the channel in Monitor mode. AP scanning and auth 5591177043Sthompsa * are already taken care of by their respective firmware commands. 5592177043Sthompsa */ 5593191746Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 5594280108Sadrian WPI_RXON_LOCK(sc); 5595278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 5596278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) { 5597278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | 5598278366Sadrian WPI_RXON_24GHZ); 5599278366Sadrian } else { 5600278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_AUTO | 5601278366Sadrian WPI_RXON_24GHZ); 5602278366Sadrian } 5603280108Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) 5604191746Sthompsa device_printf(sc->sc_dev, 5605280101Sadrian "%s: error %d setting channel\n", __func__, 5606278366Sadrian error); 5607280108Sadrian WPI_RXON_UNLOCK(sc); 5608191746Sthompsa } 5609173362Sbenjsc} 5610173362Sbenjsc 5611173362Sbenjsc/** 5612173362Sbenjsc * Called by net80211 to indicate that we need to scan the current 5613173362Sbenjsc * channel. The channel is previously be set via the wpi_set_channel 5614173362Sbenjsc * callback. 5615173362Sbenjsc */ 5616173362Sbenjscstatic void 5617178354Ssamwpi_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 5618173362Sbenjsc{ 5619178354Ssam struct ieee80211vap *vap = ss->ss_vap; 5620278366Sadrian struct ieee80211com *ic = vap->iv_ic; 5621286437Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 5622278366Sadrian int error; 5623173362Sbenjsc 5624280108Sadrian WPI_RXON_LOCK(sc); 5625282376Sadrian error = wpi_scan(sc, ic->ic_curchan); 5626282376Sadrian WPI_RXON_UNLOCK(sc); 5627282376Sadrian if (error != 0) 5628282376Sadrian ieee80211_cancel_scan(vap); 5629173362Sbenjsc} 5630173362Sbenjsc 5631173362Sbenjsc/** 5632173362Sbenjsc * Called by the net80211 framework to indicate 5633173362Sbenjsc * the minimum dwell time has been met, terminate the scan. 5634173362Sbenjsc * We don't actually terminate the scan as the firmware will notify 5635173362Sbenjsc * us when it's finished and we have no way to interrupt it. 5636173362Sbenjsc */ 5637173362Sbenjscstatic void 5638178354Ssamwpi_scan_mindwell(struct ieee80211_scan_state *ss) 5639173362Sbenjsc{ 5640173362Sbenjsc /* NB: don't try to abort scan; wait for firmware to finish */ 5641173362Sbenjsc} 5642173362Sbenjsc 5643173362Sbenjscstatic void 5644278366Sadrianwpi_hw_reset(void *arg, int pending) 5645173362Sbenjsc{ 5646191746Sthompsa struct wpi_softc *sc = arg; 5647286437Sadrian struct ifnet *ifp = sc->sc_ifp; 5648286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 5649278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5650173362Sbenjsc 5651278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5652173362Sbenjsc 5653280106Sadrian if (vap != NULL && (ic->ic_flags & IEEE80211_F_SCAN)) 5654280106Sadrian ieee80211_cancel_scan(vap); 5655280106Sadrian 5656278366Sadrian wpi_stop(sc); 5657286437Sadrian if (vap != NULL) 5658278366Sadrian ieee80211_stop(vap); 5659286437Sadrian wpi_init(sc); 5660286437Sadrian if (vap != NULL) 5661278366Sadrian ieee80211_init(vap); 5662173362Sbenjsc} 5663