if_wpi.c revision 280095
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 280095 2015-03-15 21:06:36Z adrian $"); 21173362Sbenjsc 22173362Sbenjsc/* 23173362Sbenjsc * Driver for Intel PRO/Wireless 3945ABG 802.11 network adapters. 24173362Sbenjsc * 25173362Sbenjsc * The 3945ABG network adapter doesn't use traditional hardware as 26173362Sbenjsc * many other adaptors do. Instead at run time the eeprom is set into a known 27173362Sbenjsc * state and told to load boot firmware. The boot firmware loads an init and a 28173362Sbenjsc * main binary firmware image into SRAM on the card via DMA. 29173362Sbenjsc * Once the firmware is loaded, the driver/hw then 30218909Sbrucec * communicate by way of circular dma rings via the SRAM to the firmware. 31173362Sbenjsc * 32173362Sbenjsc * There is 6 memory rings. 1 command ring, 1 rx data ring & 4 tx data rings. 33173362Sbenjsc * The 4 tx data rings allow for prioritization QoS. 34173362Sbenjsc * 35173362Sbenjsc * The rx data ring consists of 32 dma buffers. Two registers are used to 36173362Sbenjsc * indicate where in the ring the driver and the firmware are up to. The 37173362Sbenjsc * driver sets the initial read index (reg1) and the initial write index (reg2), 38173362Sbenjsc * the firmware updates the read index (reg1) on rx of a packet and fires an 39173362Sbenjsc * interrupt. The driver then processes the buffers starting at reg1 indicating 40173362Sbenjsc * to the firmware which buffers have been accessed by updating reg2. At the 41173362Sbenjsc * same time allocating new memory for the processed buffer. 42173362Sbenjsc * 43173362Sbenjsc * A similar thing happens with the tx rings. The difference is the firmware 44173362Sbenjsc * stop processing buffers once the queue is full and until confirmation 45278764Sadrian * of a successful transmition (tx_done) has occurred. 46173362Sbenjsc * 47173362Sbenjsc * The command ring operates in the same manner as the tx queues. 48173362Sbenjsc * 49173362Sbenjsc * All communication direct to the card (ie eeprom) is classed as Stage1 50173362Sbenjsc * communication 51173362Sbenjsc * 52173362Sbenjsc * All communication via the firmware to the card is classed as State2. 53173362Sbenjsc * The firmware consists of 2 parts. A bootstrap firmware and a runtime 54173362Sbenjsc * firmware. The bootstrap firmware and runtime firmware are loaded 55173362Sbenjsc * from host memory via dma to the card then told to execute. From this point 56173362Sbenjsc * on the majority of communications between the driver and the card goes 57173362Sbenjsc * via the firmware. 58173362Sbenjsc */ 59173362Sbenjsc 60236381Sadrian#include "opt_wlan.h" 61278366Sadrian#include "opt_wpi.h" 62236381Sadrian 63173362Sbenjsc#include <sys/param.h> 64173362Sbenjsc#include <sys/sysctl.h> 65173362Sbenjsc#include <sys/sockio.h> 66173362Sbenjsc#include <sys/mbuf.h> 67173362Sbenjsc#include <sys/kernel.h> 68173362Sbenjsc#include <sys/socket.h> 69173362Sbenjsc#include <sys/systm.h> 70173362Sbenjsc#include <sys/malloc.h> 71173362Sbenjsc#include <sys/queue.h> 72173362Sbenjsc#include <sys/taskqueue.h> 73173362Sbenjsc#include <sys/module.h> 74173362Sbenjsc#include <sys/bus.h> 75173362Sbenjsc#include <sys/endian.h> 76173362Sbenjsc#include <sys/linker.h> 77173362Sbenjsc#include <sys/firmware.h> 78173362Sbenjsc 79173362Sbenjsc#include <machine/bus.h> 80173362Sbenjsc#include <machine/resource.h> 81173362Sbenjsc#include <sys/rman.h> 82173362Sbenjsc 83173362Sbenjsc#include <dev/pci/pcireg.h> 84173362Sbenjsc#include <dev/pci/pcivar.h> 85173362Sbenjsc 86173362Sbenjsc#include <net/bpf.h> 87173362Sbenjsc#include <net/if.h> 88257176Sglebius#include <net/if_var.h> 89173362Sbenjsc#include <net/if_arp.h> 90173362Sbenjsc#include <net/ethernet.h> 91173362Sbenjsc#include <net/if_dl.h> 92173362Sbenjsc#include <net/if_media.h> 93173362Sbenjsc#include <net/if_types.h> 94173362Sbenjsc 95278366Sadrian#include <netinet/in.h> 96278366Sadrian#include <netinet/in_systm.h> 97278366Sadrian#include <netinet/in_var.h> 98278366Sadrian#include <netinet/if_ether.h> 99278366Sadrian#include <netinet/ip.h> 100278366Sadrian 101173362Sbenjsc#include <net80211/ieee80211_var.h> 102173362Sbenjsc#include <net80211/ieee80211_radiotap.h> 103173362Sbenjsc#include <net80211/ieee80211_regdomain.h> 104206358Srpaulo#include <net80211/ieee80211_ratectl.h> 105173362Sbenjsc 106173362Sbenjsc#include <dev/wpi/if_wpireg.h> 107173362Sbenjsc#include <dev/wpi/if_wpivar.h> 108278366Sadrian#include <dev/wpi/if_wpi_debug.h> 109173362Sbenjsc 110173362Sbenjscstruct wpi_ident { 111173362Sbenjsc uint16_t vendor; 112173362Sbenjsc uint16_t device; 113173362Sbenjsc uint16_t subdevice; 114173362Sbenjsc const char *name; 115173362Sbenjsc}; 116173362Sbenjsc 117173362Sbenjscstatic const struct wpi_ident wpi_ident_table[] = { 118173362Sbenjsc /* The below entries support ABG regardless of the subid */ 119173362Sbenjsc { 0x8086, 0x4222, 0x0, "Intel(R) PRO/Wireless 3945ABG" }, 120173362Sbenjsc { 0x8086, 0x4227, 0x0, "Intel(R) PRO/Wireless 3945ABG" }, 121173362Sbenjsc /* The below entries only support BG */ 122182127Sbenjsc { 0x8086, 0x4222, 0x1005, "Intel(R) PRO/Wireless 3945BG" }, 123182127Sbenjsc { 0x8086, 0x4222, 0x1034, "Intel(R) PRO/Wireless 3945BG" }, 124182127Sbenjsc { 0x8086, 0x4227, 0x1014, "Intel(R) PRO/Wireless 3945BG" }, 125182127Sbenjsc { 0x8086, 0x4222, 0x1044, "Intel(R) PRO/Wireless 3945BG" }, 126173362Sbenjsc { 0, 0, 0, NULL } 127173362Sbenjsc}; 128173362Sbenjsc 129278366Sadrianstatic int wpi_probe(device_t); 130278366Sadrianstatic int wpi_attach(device_t); 131278366Sadrianstatic void wpi_radiotap_attach(struct wpi_softc *); 132278366Sadrianstatic void wpi_sysctlattach(struct wpi_softc *); 133280083Sadrianstatic void wpi_init_beacon(struct wpi_vap *); 134178354Ssamstatic struct ieee80211vap *wpi_vap_create(struct ieee80211com *, 135228621Sbschmidt const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 136228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN], 137228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN]); 138178354Ssamstatic void wpi_vap_delete(struct ieee80211vap *); 139278366Sadrianstatic int wpi_detach(device_t); 140278366Sadrianstatic int wpi_shutdown(device_t); 141278366Sadrianstatic int wpi_suspend(device_t); 142278366Sadrianstatic int wpi_resume(device_t); 143278366Sadrianstatic int wpi_nic_lock(struct wpi_softc *); 144278366Sadrianstatic int wpi_read_prom_data(struct wpi_softc *, uint32_t, void *, int); 145278366Sadrianstatic void wpi_dma_map_addr(void *, bus_dma_segment_t *, int, int); 146173362Sbenjscstatic int wpi_dma_contig_alloc(struct wpi_softc *, struct wpi_dma_info *, 147278366Sadrian void **, bus_size_t, bus_size_t); 148173362Sbenjscstatic void wpi_dma_contig_free(struct wpi_dma_info *); 149173362Sbenjscstatic int wpi_alloc_shared(struct wpi_softc *); 150173362Sbenjscstatic void wpi_free_shared(struct wpi_softc *); 151278366Sadrianstatic int wpi_alloc_fwmem(struct wpi_softc *); 152278366Sadrianstatic void wpi_free_fwmem(struct wpi_softc *); 153278366Sadrianstatic int wpi_alloc_rx_ring(struct wpi_softc *); 154278366Sadrianstatic void wpi_update_rx_ring(struct wpi_softc *); 155278366Sadrianstatic void wpi_reset_rx_ring(struct wpi_softc *); 156278366Sadrianstatic void wpi_free_rx_ring(struct wpi_softc *); 157173362Sbenjscstatic int wpi_alloc_tx_ring(struct wpi_softc *, struct wpi_tx_ring *, 158278366Sadrian int); 159278366Sadrianstatic void wpi_update_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 160173362Sbenjscstatic void wpi_reset_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 161173362Sbenjscstatic void wpi_free_tx_ring(struct wpi_softc *, struct wpi_tx_ring *); 162278366Sadrianstatic int wpi_read_eeprom(struct wpi_softc *, 163278366Sadrian uint8_t macaddr[IEEE80211_ADDR_LEN]); 164278366Sadrianstatic uint32_t wpi_eeprom_channel_flags(struct wpi_eeprom_chan *); 165278366Sadrianstatic void wpi_read_eeprom_band(struct wpi_softc *, int); 166278366Sadrianstatic int wpi_read_eeprom_channels(struct wpi_softc *, int); 167278366Sadrianstatic struct wpi_eeprom_chan *wpi_find_eeprom_channel(struct wpi_softc *, 168278366Sadrian struct ieee80211_channel *); 169278366Sadrianstatic int wpi_setregdomain(struct ieee80211com *, 170278366Sadrian struct ieee80211_regdomain *, int, 171278366Sadrian struct ieee80211_channel[]); 172278366Sadrianstatic int wpi_read_eeprom_group(struct wpi_softc *, int); 173280069Sadrianstatic int wpi_add_node_entry_adhoc(struct wpi_softc *); 174278366Sadrianstatic void wpi_node_free(struct ieee80211_node *); 175278366Sadrianstatic struct ieee80211_node *wpi_node_alloc(struct ieee80211vap *, 176278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 177178354Ssamstatic int wpi_newstate(struct ieee80211vap *, enum ieee80211_state, int); 178278366Sadrianstatic void wpi_calib_timeout(void *); 179278366Sadrianstatic void wpi_rx_done(struct wpi_softc *, struct wpi_rx_desc *, 180173362Sbenjsc struct wpi_rx_data *); 181278366Sadrianstatic void wpi_rx_statistics(struct wpi_softc *, struct wpi_rx_desc *, 182278366Sadrian struct wpi_rx_data *); 183278366Sadrianstatic void wpi_tx_done(struct wpi_softc *, struct wpi_rx_desc *); 184278366Sadrianstatic void wpi_cmd_done(struct wpi_softc *, struct wpi_rx_desc *); 185173362Sbenjscstatic void wpi_notif_intr(struct wpi_softc *); 186278366Sadrianstatic void wpi_wakeup_intr(struct wpi_softc *); 187280093Sadrian#ifdef WPI_DEBUG 188280093Sadrianstatic void wpi_debug_registers(struct wpi_softc *); 189280093Sadrian#endif 190278366Sadrianstatic void wpi_fatal_intr(struct wpi_softc *); 191173362Sbenjscstatic void wpi_intr(void *); 192278366Sadrianstatic int wpi_cmd2(struct wpi_softc *, struct wpi_buf *); 193173362Sbenjscstatic int wpi_tx_data(struct wpi_softc *, struct mbuf *, 194278366Sadrian struct ieee80211_node *); 195278366Sadrianstatic int wpi_tx_data_raw(struct wpi_softc *, struct mbuf *, 196278366Sadrian struct ieee80211_node *, 197278366Sadrian const struct ieee80211_bpf_params *); 198278366Sadrianstatic int wpi_raw_xmit(struct ieee80211_node *, struct mbuf *, 199278366Sadrian const struct ieee80211_bpf_params *); 200173362Sbenjscstatic void wpi_start(struct ifnet *); 201178354Ssamstatic void wpi_start_locked(struct ifnet *); 202280078Sadrianstatic void wpi_start_task(void *, int); 203278366Sadrianstatic void wpi_watchdog_rfkill(void *); 204278366Sadrianstatic void wpi_watchdog(void *); 205173362Sbenjscstatic int wpi_ioctl(struct ifnet *, u_long, caddr_t); 206278366Sadrianstatic int wpi_cmd(struct wpi_softc *, int, const void *, size_t, int); 207173362Sbenjscstatic int wpi_mrr_setup(struct wpi_softc *); 208278366Sadrianstatic int wpi_add_node(struct wpi_softc *, struct ieee80211_node *); 209278366Sadrianstatic int wpi_add_broadcast_node(struct wpi_softc *, int); 210278366Sadrianstatic int wpi_add_ibss_node(struct wpi_softc *, struct ieee80211_node *); 211278366Sadrianstatic void wpi_del_node(struct wpi_softc *, struct ieee80211_node *); 212278366Sadrianstatic int wpi_updateedca(struct ieee80211com *); 213278366Sadrianstatic void wpi_set_promisc(struct wpi_softc *); 214278366Sadrianstatic void wpi_update_promisc(struct ifnet *); 215278366Sadrianstatic void wpi_update_mcast(struct ifnet *); 216173362Sbenjscstatic void wpi_set_led(struct wpi_softc *, uint8_t, uint8_t, uint8_t); 217278366Sadrianstatic int wpi_set_timing(struct wpi_softc *, struct ieee80211_node *); 218278366Sadrianstatic void wpi_power_calibration(struct wpi_softc *); 219278366Sadrianstatic int wpi_set_txpower(struct wpi_softc *, int); 220278366Sadrianstatic int wpi_get_power_index(struct wpi_softc *, 221278366Sadrian struct wpi_power_group *, struct ieee80211_channel *, int); 222278366Sadrianstatic int wpi_set_pslevel(struct wpi_softc *, uint8_t, int, int); 223278366Sadrianstatic int wpi_send_btcoex(struct wpi_softc *); 224278366Sadrianstatic int wpi_send_rxon(struct wpi_softc *, int, int); 225278366Sadrianstatic int wpi_config(struct wpi_softc *); 226278366Sadrianstatic uint16_t wpi_get_active_dwell_time(struct wpi_softc *, 227278366Sadrian struct ieee80211_channel *, uint8_t); 228278366Sadrianstatic uint16_t wpi_limit_dwell(struct wpi_softc *, uint16_t); 229278366Sadrianstatic uint16_t wpi_get_passive_dwell_time(struct wpi_softc *, 230278366Sadrian struct ieee80211_channel *); 231278366Sadrianstatic int wpi_scan(struct wpi_softc *, struct ieee80211_channel *); 232278366Sadrianstatic int wpi_auth(struct wpi_softc *, struct ieee80211vap *); 233280084Sadrianstatic int wpi_config_beacon(struct wpi_vap *); 234280084Sadrianstatic int wpi_setup_beacon(struct wpi_softc *, struct ieee80211_node *); 235278366Sadrianstatic void wpi_update_beacon(struct ieee80211vap *, int); 236280079Sadrianstatic void wpi_newassoc(struct ieee80211_node *, int); 237178354Ssamstatic int wpi_run(struct wpi_softc *, struct ieee80211vap *); 238280088Sadrianstatic int wpi_load_key(struct ieee80211_node *, 239280088Sadrian const struct ieee80211_key *); 240280088Sadrianstatic void wpi_load_key_cb(void *, struct ieee80211_node *); 241280088Sadrianstatic int wpi_set_global_keys(struct ieee80211_node *); 242280088Sadrianstatic int wpi_del_key(struct ieee80211_node *, 243280088Sadrian const struct ieee80211_key *); 244280088Sadrianstatic void wpi_del_key_cb(void *, struct ieee80211_node *); 245280088Sadrianstatic int wpi_process_key(struct ieee80211vap *, 246280088Sadrian const struct ieee80211_key *, int); 247278366Sadrianstatic int wpi_key_set(struct ieee80211vap *, 248278366Sadrian const struct ieee80211_key *, 249278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]); 250278366Sadrianstatic int wpi_key_delete(struct ieee80211vap *, 251278366Sadrian const struct ieee80211_key *); 252278366Sadrianstatic int wpi_post_alive(struct wpi_softc *); 253278366Sadrianstatic int wpi_load_bootcode(struct wpi_softc *, const uint8_t *, int); 254278366Sadrianstatic int wpi_load_firmware(struct wpi_softc *); 255278366Sadrianstatic int wpi_read_firmware(struct wpi_softc *); 256278366Sadrianstatic void wpi_unload_firmware(struct wpi_softc *); 257278366Sadrianstatic int wpi_clock_wait(struct wpi_softc *); 258278366Sadrianstatic int wpi_apm_init(struct wpi_softc *); 259278366Sadrianstatic void wpi_apm_stop_master(struct wpi_softc *); 260278366Sadrianstatic void wpi_apm_stop(struct wpi_softc *); 261278366Sadrianstatic void wpi_nic_config(struct wpi_softc *); 262278366Sadrianstatic int wpi_hw_init(struct wpi_softc *); 263278366Sadrianstatic void wpi_hw_stop(struct wpi_softc *); 264278366Sadrianstatic void wpi_radio_on(void *, int); 265278366Sadrianstatic void wpi_radio_off(void *, int); 266278366Sadrianstatic void wpi_init_locked(struct wpi_softc *); 267173362Sbenjscstatic void wpi_init(void *); 268278366Sadrianstatic void wpi_stop_locked(struct wpi_softc *); 269173362Sbenjscstatic void wpi_stop(struct wpi_softc *); 270278366Sadrianstatic void wpi_scan_start(struct ieee80211com *); 271278366Sadrianstatic void wpi_scan_end(struct ieee80211com *); 272278366Sadrianstatic void wpi_set_channel(struct ieee80211com *); 273278366Sadrianstatic void wpi_scan_curchan(struct ieee80211_scan_state *, unsigned long); 274278366Sadrianstatic void wpi_scan_mindwell(struct ieee80211_scan_state *); 275278366Sadrianstatic void wpi_hw_reset(void *, int); 276173362Sbenjsc 277173362Sbenjscstatic device_method_t wpi_methods[] = { 278173362Sbenjsc /* Device interface */ 279173362Sbenjsc DEVMETHOD(device_probe, wpi_probe), 280173362Sbenjsc DEVMETHOD(device_attach, wpi_attach), 281173362Sbenjsc DEVMETHOD(device_detach, wpi_detach), 282173362Sbenjsc DEVMETHOD(device_shutdown, wpi_shutdown), 283173362Sbenjsc DEVMETHOD(device_suspend, wpi_suspend), 284173362Sbenjsc DEVMETHOD(device_resume, wpi_resume), 285173362Sbenjsc 286260064Smarius DEVMETHOD_END 287173362Sbenjsc}; 288173362Sbenjsc 289173362Sbenjscstatic driver_t wpi_driver = { 290173362Sbenjsc "wpi", 291173362Sbenjsc wpi_methods, 292173362Sbenjsc sizeof (struct wpi_softc) 293173362Sbenjsc}; 294173362Sbenjscstatic devclass_t wpi_devclass; 295173362Sbenjsc 296260064SmariusDRIVER_MODULE(wpi, pci, wpi_driver, wpi_devclass, NULL, NULL); 297173362Sbenjsc 298222543SbschmidtMODULE_VERSION(wpi, 1); 299222543Sbschmidt 300278366SadrianMODULE_DEPEND(wpi, pci, 1, 1, 1); 301278366SadrianMODULE_DEPEND(wpi, wlan, 1, 1, 1); 302278366SadrianMODULE_DEPEND(wpi, firmware, 1, 1, 1); 303260064Smarius 304173362Sbenjscstatic int 305173362Sbenjscwpi_probe(device_t dev) 306173362Sbenjsc{ 307173362Sbenjsc const struct wpi_ident *ident; 308173362Sbenjsc 309173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 310173362Sbenjsc if (pci_get_vendor(dev) == ident->vendor && 311173362Sbenjsc pci_get_device(dev) == ident->device) { 312173362Sbenjsc device_set_desc(dev, ident->name); 313260064Smarius return (BUS_PROBE_DEFAULT); 314173362Sbenjsc } 315173362Sbenjsc } 316173362Sbenjsc return ENXIO; 317173362Sbenjsc} 318173362Sbenjsc 319173362Sbenjscstatic int 320173362Sbenjscwpi_attach(device_t dev) 321173362Sbenjsc{ 322278366Sadrian struct wpi_softc *sc = (struct wpi_softc *)device_get_softc(dev); 323278366Sadrian struct ieee80211com *ic; 324173362Sbenjsc struct ifnet *ifp; 325280061Sadrian int i, error, rid; 326280061Sadrian#ifdef WPI_DEBUG 327280061Sadrian int supportsa = 1; 328173362Sbenjsc const struct wpi_ident *ident; 329280061Sadrian#endif 330190526Ssam uint8_t macaddr[IEEE80211_ADDR_LEN]; 331173362Sbenjsc 332173362Sbenjsc sc->sc_dev = dev; 333173362Sbenjsc 334280059Sadrian#ifdef WPI_DEBUG 335278366Sadrian error = resource_int_value(device_get_name(sc->sc_dev), 336278366Sadrian device_get_unit(sc->sc_dev), "debug", &(sc->sc_debug)); 337278366Sadrian if (error != 0) 338278366Sadrian sc->sc_debug = 0; 339278366Sadrian#else 340278366Sadrian sc->sc_debug = 0; 341278366Sadrian#endif 342173362Sbenjsc 343278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 344278366Sadrian 345173362Sbenjsc /* 346278366Sadrian * Get the offset of the PCI Express Capability Structure in PCI 347278366Sadrian * Configuration Space. 348278366Sadrian */ 349278366Sadrian error = pci_find_cap(dev, PCIY_EXPRESS, &sc->sc_cap_off); 350278366Sadrian if (error != 0) { 351278366Sadrian device_printf(dev, "PCIe capability structure not found!\n"); 352278366Sadrian return error; 353278366Sadrian } 354278366Sadrian 355278366Sadrian /* 356173362Sbenjsc * Some card's only support 802.11b/g not a, check to see if 357173362Sbenjsc * this is one such card. A 0x0 in the subdevice table indicates 358173362Sbenjsc * the entire subdevice range is to be ignored. 359173362Sbenjsc */ 360280061Sadrian#ifdef WPI_DEBUG 361173362Sbenjsc for (ident = wpi_ident_table; ident->name != NULL; ident++) { 362173362Sbenjsc if (ident->subdevice && 363173362Sbenjsc pci_get_subdevice(dev) == ident->subdevice) { 364173362Sbenjsc supportsa = 0; 365173362Sbenjsc break; 366173362Sbenjsc } 367173362Sbenjsc } 368280061Sadrian#endif 369173362Sbenjsc 370278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 371173362Sbenjsc pci_write_config(dev, 0x41, 0, 1); 372173362Sbenjsc 373278366Sadrian /* Enable bus-mastering. */ 374173362Sbenjsc pci_enable_busmaster(dev); 375173362Sbenjsc 376260064Smarius rid = PCIR_BAR(0); 377260064Smarius sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 378173362Sbenjsc RF_ACTIVE); 379173362Sbenjsc if (sc->mem == NULL) { 380278366Sadrian device_printf(dev, "can't map mem space\n"); 381280091Sadrian return ENOMEM; 382173362Sbenjsc } 383173362Sbenjsc sc->sc_st = rman_get_bustag(sc->mem); 384173362Sbenjsc sc->sc_sh = rman_get_bushandle(sc->mem); 385173362Sbenjsc 386278366Sadrian i = 1; 387260064Smarius rid = 0; 388278366Sadrian if (pci_alloc_msi(dev, &i) == 0) 389278366Sadrian rid = 1; 390278366Sadrian /* Install interrupt handler. */ 391278366Sadrian sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | 392278366Sadrian (rid != 0 ? 0 : RF_SHAREABLE)); 393173362Sbenjsc if (sc->irq == NULL) { 394278366Sadrian device_printf(dev, "can't map interrupt\n"); 395173362Sbenjsc error = ENOMEM; 396173362Sbenjsc goto fail; 397173362Sbenjsc } 398173362Sbenjsc 399278366Sadrian WPI_LOCK_INIT(sc); 400280077Sadrian WPI_NT_LOCK_INIT(sc); 401280071Sadrian WPI_TXQ_LOCK_INIT(sc); 402278366Sadrian 403278366Sadrian /* Allocate DMA memory for firmware transfers. */ 404173362Sbenjsc if ((error = wpi_alloc_fwmem(sc)) != 0) { 405278366Sadrian device_printf(dev, 406278366Sadrian "could not allocate memory for firmware, error %d\n", 407278366Sadrian error); 408173362Sbenjsc goto fail; 409173362Sbenjsc } 410173362Sbenjsc 411278366Sadrian /* Allocate shared page. */ 412173362Sbenjsc if ((error = wpi_alloc_shared(sc)) != 0) { 413173362Sbenjsc device_printf(dev, "could not allocate shared page\n"); 414173362Sbenjsc goto fail; 415173362Sbenjsc } 416173362Sbenjsc 417278366Sadrian /* Allocate TX rings - 4 for QoS purposes, 1 for commands. */ 418278366Sadrian for (i = 0; i < WPI_NTXQUEUES; i++) { 419278366Sadrian if ((error = wpi_alloc_tx_ring(sc, &sc->txq[i], i)) != 0) { 420278366Sadrian device_printf(dev, 421278366Sadrian "could not allocate TX ring %d, error %d\n", i, 422278366Sadrian error); 423278366Sadrian goto fail; 424173362Sbenjsc } 425173362Sbenjsc } 426173362Sbenjsc 427278366Sadrian /* Allocate RX ring. */ 428278366Sadrian if ((error = wpi_alloc_rx_ring(sc)) != 0) { 429278366Sadrian device_printf(dev, "could not allocate RX ring, error %d\n", 430278366Sadrian error); 431173362Sbenjsc goto fail; 432173362Sbenjsc } 433173362Sbenjsc 434278366Sadrian /* Clear pending interrupts. */ 435278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 436173362Sbenjsc 437178354Ssam ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 438173362Sbenjsc if (ifp == NULL) { 439278366Sadrian device_printf(dev, "can not allocate ifnet structure\n"); 440173362Sbenjsc goto fail; 441173362Sbenjsc } 442278366Sadrian 443178354Ssam ic = ifp->if_l2com; 444173362Sbenjsc ic->ic_ifp = ifp; 445178354Ssam ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 446178354Ssam ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 447173362Sbenjsc 448278366Sadrian /* Set device capabilities. */ 449173362Sbenjsc ic->ic_caps = 450178957Ssam IEEE80211_C_STA /* station mode supported */ 451278366Sadrian | IEEE80211_C_IBSS /* IBSS mode supported */ 452178957Ssam | IEEE80211_C_MONITOR /* monitor mode supported */ 453278366Sadrian | IEEE80211_C_AHDEMO /* adhoc demo mode */ 454278366Sadrian | IEEE80211_C_BGSCAN /* capable of bg scanning */ 455173362Sbenjsc | IEEE80211_C_TXPMGT /* tx power management */ 456173362Sbenjsc | IEEE80211_C_SHSLOT /* short slot time supported */ 457278366Sadrian | IEEE80211_C_WPA /* 802.11i */ 458173362Sbenjsc | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 459173362Sbenjsc#if 0 460173362Sbenjsc | IEEE80211_C_HOSTAP /* Host access point mode */ 461173362Sbenjsc#endif 462278366Sadrian | IEEE80211_C_WME /* 802.11e */ 463278366Sadrian | IEEE80211_C_PMGT /* Station-side power mgmt */ 464173362Sbenjsc ; 465173362Sbenjsc 466278366Sadrian ic->ic_cryptocaps = 467278366Sadrian IEEE80211_CRYPTO_AES_CCM; 468278366Sadrian 469173362Sbenjsc /* 470173362Sbenjsc * Read in the eeprom and also setup the channels for 471173362Sbenjsc * net80211. We don't set the rates as net80211 does this for us 472173362Sbenjsc */ 473278366Sadrian if ((error = wpi_read_eeprom(sc, macaddr)) != 0) { 474278366Sadrian device_printf(dev, "could not read EEPROM, error %d\n", 475278366Sadrian error); 476278366Sadrian goto fail; 477280059Sadrian } 478173362Sbenjsc 479280059Sadrian#ifdef WPI_DEBUG 480278366Sadrian if (bootverbose) { 481280059Sadrian device_printf(sc->sc_dev, "Regulatory Domain: %.4s\n", 482280059Sadrian sc->domain); 483280059Sadrian device_printf(sc->sc_dev, "Hardware Type: %c\n", 484280059Sadrian sc->type > 1 ? 'B': '?'); 485280059Sadrian device_printf(sc->sc_dev, "Hardware Revision: %c\n", 486280076Sadrian ((sc->rev & 0xf0) == 0xd0) ? 'D': '?'); 487280059Sadrian device_printf(sc->sc_dev, "SKU %s support 802.11a\n", 488280059Sadrian supportsa ? "does" : "does not"); 489173362Sbenjsc 490280059Sadrian /* XXX hw_config uses the PCIDEV for the Hardware rev. Must 491280059Sadrian check what sc->rev really represents - benjsc 20070615 */ 492173362Sbenjsc } 493278366Sadrian#endif 494173362Sbenjsc 495173362Sbenjsc if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 496173362Sbenjsc ifp->if_softc = sc; 497173362Sbenjsc ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 498173362Sbenjsc ifp->if_init = wpi_init; 499173362Sbenjsc ifp->if_ioctl = wpi_ioctl; 500173362Sbenjsc ifp->if_start = wpi_start; 501207554Ssobomax IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 502207554Ssobomax ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 503173362Sbenjsc IFQ_SET_READY(&ifp->if_snd); 504178354Ssam 505190526Ssam ieee80211_ifattach(ic, macaddr); 506278366Sadrian ic->ic_vap_create = wpi_vap_create; 507278366Sadrian ic->ic_vap_delete = wpi_vap_delete; 508178354Ssam ic->ic_raw_xmit = wpi_raw_xmit; 509278366Sadrian ic->ic_node_alloc = wpi_node_alloc; 510278366Sadrian sc->sc_node_free = ic->ic_node_free; 511278366Sadrian ic->ic_node_free = wpi_node_free; 512278366Sadrian ic->ic_wme.wme_update = wpi_updateedca; 513278366Sadrian ic->ic_update_promisc = wpi_update_promisc; 514278366Sadrian ic->ic_update_mcast = wpi_update_mcast; 515280079Sadrian ic->ic_newassoc = wpi_newassoc; 516173362Sbenjsc ic->ic_scan_start = wpi_scan_start; 517173362Sbenjsc ic->ic_scan_end = wpi_scan_end; 518173362Sbenjsc ic->ic_set_channel = wpi_set_channel; 519278366Sadrian sc->sc_scan_curchan = ic->ic_scan_curchan; 520173362Sbenjsc ic->ic_scan_curchan = wpi_scan_curchan; 521173362Sbenjsc ic->ic_scan_mindwell = wpi_scan_mindwell; 522278366Sadrian ic->ic_setregdomain = wpi_setregdomain; 523173362Sbenjsc 524278366Sadrian wpi_radiotap_attach(sc); 525173362Sbenjsc 526278366Sadrian callout_init_mtx(&sc->calib_to, &sc->sc_mtx, 0); 527278366Sadrian callout_init_mtx(&sc->watchdog_to, &sc->sc_mtx, 0); 528278366Sadrian callout_init_mtx(&sc->watchdog_rfkill, &sc->sc_mtx, 0); 529278366Sadrian TASK_INIT(&sc->sc_reinittask, 0, wpi_hw_reset, sc); 530278366Sadrian TASK_INIT(&sc->sc_radiooff_task, 0, wpi_radio_off, sc); 531278366Sadrian TASK_INIT(&sc->sc_radioon_task, 0, wpi_radio_on, sc); 532280078Sadrian TASK_INIT(&sc->sc_start_task, 0, wpi_start_task, sc); 533173362Sbenjsc 534278366Sadrian wpi_sysctlattach(sc); 535278366Sadrian 536173362Sbenjsc /* 537173362Sbenjsc * Hook our interrupt after all initialization is complete. 538173362Sbenjsc */ 539278366Sadrian error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 540177043Sthompsa NULL, wpi_intr, sc, &sc->sc_ih); 541173362Sbenjsc if (error != 0) { 542278366Sadrian device_printf(dev, "can't establish interrupt, error %d\n", 543278366Sadrian error); 544173362Sbenjsc goto fail; 545173362Sbenjsc } 546173362Sbenjsc 547177043Sthompsa if (bootverbose) 548177043Sthompsa ieee80211_announce(ic); 549278366Sadrian 550278366Sadrian#ifdef WPI_DEBUG 551278366Sadrian if (sc->sc_debug & WPI_DEBUG_HW) 552278366Sadrian ieee80211_announce_channels(ic); 553173362Sbenjsc#endif 554278366Sadrian 555278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 556173362Sbenjsc return 0; 557173362Sbenjsc 558173362Sbenjscfail: wpi_detach(dev); 559278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 560278366Sadrian return error; 561173362Sbenjsc} 562173362Sbenjsc 563278366Sadrian/* 564278366Sadrian * Attach the interface to 802.11 radiotap. 565278366Sadrian */ 566278366Sadrianstatic void 567278366Sadrianwpi_radiotap_attach(struct wpi_softc *sc) 568278366Sadrian{ 569278366Sadrian struct ifnet *ifp = sc->sc_ifp; 570278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 571278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 572278366Sadrian ieee80211_radiotap_attach(ic, 573278366Sadrian &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 574278366Sadrian WPI_TX_RADIOTAP_PRESENT, 575278366Sadrian &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 576278366Sadrian WPI_RX_RADIOTAP_PRESENT); 577278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 578278366Sadrian} 579278366Sadrian 580278366Sadrianstatic void 581278366Sadrianwpi_sysctlattach(struct wpi_softc *sc) 582278366Sadrian{ 583280059Sadrian#ifdef WPI_DEBUG 584278366Sadrian struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 585278366Sadrian struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 586278366Sadrian 587278366Sadrian SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 588278366Sadrian "debug", CTLFLAG_RW, &sc->sc_debug, sc->sc_debug, 589278366Sadrian "control debugging printfs"); 590278366Sadrian#endif 591278366Sadrian} 592278366Sadrian 593280083Sadrianstatic void 594280083Sadrianwpi_init_beacon(struct wpi_vap *wvp) 595280083Sadrian{ 596280083Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 597280083Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 598280083Sadrian 599280083Sadrian cmd->id = WPI_ID_BROADCAST; 600280083Sadrian cmd->ofdm_mask = 0xff; 601280083Sadrian cmd->cck_mask = 0x0f; 602280083Sadrian cmd->lifetime = htole32(WPI_LIFETIME_INFINITE); 603280083Sadrian cmd->flags = htole32(WPI_TX_AUTO_SEQ | WPI_TX_INSERT_TSTAMP); 604280083Sadrian 605280083Sadrian bcn->code = WPI_CMD_SET_BEACON; 606280083Sadrian bcn->ac = WPI_CMD_QUEUE_NUM; 607280083Sadrian bcn->size = sizeof(struct wpi_cmd_beacon); 608280083Sadrian} 609280083Sadrian 610278366Sadrianstatic struct ieee80211vap * 611278366Sadrianwpi_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 612278366Sadrian enum ieee80211_opmode opmode, int flags, 613278366Sadrian const uint8_t bssid[IEEE80211_ADDR_LEN], 614278366Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 615278366Sadrian{ 616278366Sadrian struct wpi_vap *wvp; 617278366Sadrian struct ieee80211vap *vap; 618278366Sadrian 619278366Sadrian if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 620278366Sadrian return NULL; 621278366Sadrian 622278366Sadrian wvp = (struct wpi_vap *) malloc(sizeof(struct wpi_vap), 623278366Sadrian M_80211_VAP, M_NOWAIT | M_ZERO); 624278366Sadrian if (wvp == NULL) 625278366Sadrian return NULL; 626280085Sadrian vap = &wvp->wv_vap; 627278366Sadrian ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 628278366Sadrian 629280086Sadrian if (opmode == IEEE80211_M_IBSS) { 630280086Sadrian WPI_VAP_LOCK_INIT(wvp); 631280083Sadrian wpi_init_beacon(wvp); 632280086Sadrian } 633280083Sadrian 634278366Sadrian /* Override with driver methods. */ 635278366Sadrian vap->iv_key_set = wpi_key_set; 636278366Sadrian vap->iv_key_delete = wpi_key_delete; 637280085Sadrian wvp->wv_newstate = vap->iv_newstate; 638278366Sadrian vap->iv_newstate = wpi_newstate; 639278366Sadrian vap->iv_update_beacon = wpi_update_beacon; 640278366Sadrian 641278366Sadrian ieee80211_ratectl_init(vap); 642278366Sadrian /* Complete setup. */ 643280066Sadrian ieee80211_vap_attach(vap, ieee80211_media_change, 644280066Sadrian ieee80211_media_status); 645278366Sadrian ic->ic_opmode = opmode; 646278366Sadrian return vap; 647278366Sadrian} 648278366Sadrian 649278366Sadrianstatic void 650278366Sadrianwpi_vap_delete(struct ieee80211vap *vap) 651278366Sadrian{ 652278366Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 653280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 654280084Sadrian enum ieee80211_opmode opmode = vap->iv_opmode; 655278366Sadrian 656278366Sadrian ieee80211_ratectl_deinit(vap); 657278366Sadrian ieee80211_vap_detach(vap); 658278366Sadrian 659280084Sadrian if (opmode == IEEE80211_M_IBSS) { 660280084Sadrian if (bcn->m != NULL) 661280084Sadrian m_freem(bcn->m); 662280086Sadrian 663280086Sadrian WPI_VAP_LOCK_DESTROY(wvp); 664280084Sadrian } 665280084Sadrian 666278366Sadrian free(wvp, M_80211_VAP); 667278366Sadrian} 668278366Sadrian 669173362Sbenjscstatic int 670173362Sbenjscwpi_detach(device_t dev) 671173362Sbenjsc{ 672173362Sbenjsc struct wpi_softc *sc = device_get_softc(dev); 673178354Ssam struct ifnet *ifp = sc->sc_ifp; 674200530Sgavin struct ieee80211com *ic; 675278366Sadrian int qid; 676173362Sbenjsc 677278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 678260064Smarius 679200530Sgavin if (ifp != NULL) { 680200530Sgavin ic = ifp->if_l2com; 681191746Sthompsa 682278366Sadrian ieee80211_draintask(ic, &sc->sc_reinittask); 683278366Sadrian ieee80211_draintask(ic, &sc->sc_radiooff_task); 684280052Sadrian ieee80211_draintask(ic, &sc->sc_radioon_task); 685280078Sadrian ieee80211_draintask(ic, &sc->sc_start_task); 686278366Sadrian 687173362Sbenjsc wpi_stop(sc); 688278366Sadrian 689173362Sbenjsc callout_drain(&sc->watchdog_to); 690278366Sadrian callout_drain(&sc->watchdog_rfkill); 691173362Sbenjsc callout_drain(&sc->calib_to); 692173362Sbenjsc ieee80211_ifdetach(ic); 693173362Sbenjsc } 694173362Sbenjsc 695278366Sadrian /* Uninstall interrupt handler. */ 696278366Sadrian if (sc->irq != NULL) { 697278366Sadrian bus_teardown_intr(dev, sc->irq, sc->sc_ih); 698278366Sadrian bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), 699278366Sadrian sc->irq); 700278366Sadrian pci_release_msi(dev); 701278366Sadrian } 702278366Sadrian 703173362Sbenjsc if (sc->txq[0].data_dmat) { 704278366Sadrian /* Free DMA resources. */ 705278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 706278366Sadrian wpi_free_tx_ring(sc, &sc->txq[qid]); 707173362Sbenjsc 708278366Sadrian wpi_free_rx_ring(sc); 709173362Sbenjsc wpi_free_shared(sc); 710173362Sbenjsc } 711173362Sbenjsc 712173362Sbenjsc if (sc->fw_dma.tag) 713173362Sbenjsc wpi_free_fwmem(sc); 714278366Sadrian 715173362Sbenjsc if (sc->mem != NULL) 716260064Smarius bus_release_resource(dev, SYS_RES_MEMORY, 717260064Smarius rman_get_rid(sc->mem), sc->mem); 718173362Sbenjsc 719173362Sbenjsc if (ifp != NULL) 720173362Sbenjsc if_free(ifp); 721173362Sbenjsc 722278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 723280071Sadrian WPI_TXQ_LOCK_DESTROY(sc); 724280077Sadrian WPI_NT_LOCK_DESTROY(sc); 725173362Sbenjsc WPI_LOCK_DESTROY(sc); 726278366Sadrian return 0; 727278366Sadrian} 728173362Sbenjsc 729278366Sadrianstatic int 730278366Sadrianwpi_shutdown(device_t dev) 731278366Sadrian{ 732278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 733278366Sadrian 734278366Sadrian wpi_stop(sc); 735173362Sbenjsc return 0; 736173362Sbenjsc} 737173362Sbenjsc 738278366Sadrianstatic int 739278366Sadrianwpi_suspend(device_t dev) 740178354Ssam{ 741278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 742278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 743178354Ssam 744278366Sadrian ieee80211_suspend_all(ic); 745278366Sadrian return 0; 746278366Sadrian} 747178354Ssam 748278366Sadrianstatic int 749278366Sadrianwpi_resume(device_t dev) 750278366Sadrian{ 751278366Sadrian struct wpi_softc *sc = device_get_softc(dev); 752278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 753278366Sadrian 754278366Sadrian /* Clear device-specific "PCI retry timeout" register (41h). */ 755278366Sadrian pci_write_config(dev, 0x41, 0, 1); 756278366Sadrian 757278366Sadrian ieee80211_resume_all(ic); 758278366Sadrian return 0; 759178354Ssam} 760178354Ssam 761278366Sadrian/* 762278366Sadrian * Grab exclusive access to NIC memory. 763278366Sadrian */ 764278366Sadrianstatic int 765278366Sadrianwpi_nic_lock(struct wpi_softc *sc) 766178354Ssam{ 767278366Sadrian int ntries; 768178354Ssam 769278366Sadrian /* Request exclusive access to NIC. */ 770278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 771278366Sadrian 772278366Sadrian /* Spin until we actually get the lock. */ 773278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 774278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & 775280059Sadrian (WPI_GP_CNTRL_MAC_ACCESS_ENA | WPI_GP_CNTRL_SLEEP)) == 776278366Sadrian WPI_GP_CNTRL_MAC_ACCESS_ENA) 777278366Sadrian return 0; 778278366Sadrian DELAY(10); 779278366Sadrian } 780278366Sadrian 781278366Sadrian device_printf(sc->sc_dev, "could not lock memory\n"); 782278366Sadrian 783278366Sadrian return ETIMEDOUT; 784178354Ssam} 785178354Ssam 786278366Sadrian/* 787278366Sadrian * Release lock on NIC memory. 788278366Sadrian */ 789278366Sadrianstatic __inline void 790278366Sadrianwpi_nic_unlock(struct wpi_softc *sc) 791278366Sadrian{ 792278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 793278366Sadrian} 794278366Sadrian 795278366Sadrianstatic __inline uint32_t 796278366Sadrianwpi_prph_read(struct wpi_softc *sc, uint32_t addr) 797278366Sadrian{ 798278366Sadrian WPI_WRITE(sc, WPI_PRPH_RADDR, WPI_PRPH_DWORD | addr); 799278366Sadrian WPI_BARRIER_READ_WRITE(sc); 800278366Sadrian return WPI_READ(sc, WPI_PRPH_RDATA); 801278366Sadrian} 802278366Sadrian 803278366Sadrianstatic __inline void 804278366Sadrianwpi_prph_write(struct wpi_softc *sc, uint32_t addr, uint32_t data) 805278366Sadrian{ 806278366Sadrian WPI_WRITE(sc, WPI_PRPH_WADDR, WPI_PRPH_DWORD | addr); 807278366Sadrian WPI_BARRIER_WRITE(sc); 808278366Sadrian WPI_WRITE(sc, WPI_PRPH_WDATA, data); 809278366Sadrian} 810278366Sadrian 811278366Sadrianstatic __inline void 812278366Sadrianwpi_prph_setbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 813278366Sadrian{ 814278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) | mask); 815278366Sadrian} 816278366Sadrian 817278366Sadrianstatic __inline void 818278366Sadrianwpi_prph_clrbits(struct wpi_softc *sc, uint32_t addr, uint32_t mask) 819278366Sadrian{ 820278366Sadrian wpi_prph_write(sc, addr, wpi_prph_read(sc, addr) & ~mask); 821278366Sadrian} 822278366Sadrian 823278366Sadrianstatic __inline void 824278366Sadrianwpi_prph_write_region_4(struct wpi_softc *sc, uint32_t addr, 825278366Sadrian const uint32_t *data, int count) 826278366Sadrian{ 827278366Sadrian for (; count > 0; count--, data++, addr += 4) 828278366Sadrian wpi_prph_write(sc, addr, *data); 829278366Sadrian} 830278366Sadrian 831278366Sadrianstatic __inline uint32_t 832278366Sadrianwpi_mem_read(struct wpi_softc *sc, uint32_t addr) 833278366Sadrian{ 834278366Sadrian WPI_WRITE(sc, WPI_MEM_RADDR, addr); 835278366Sadrian WPI_BARRIER_READ_WRITE(sc); 836278366Sadrian return WPI_READ(sc, WPI_MEM_RDATA); 837278366Sadrian} 838278366Sadrian 839278366Sadrianstatic __inline void 840278366Sadrianwpi_mem_read_region_4(struct wpi_softc *sc, uint32_t addr, uint32_t *data, 841278366Sadrian int count) 842278366Sadrian{ 843278366Sadrian for (; count > 0; count--, addr += 4) 844278366Sadrian *data++ = wpi_mem_read(sc, addr); 845278366Sadrian} 846278366Sadrian 847278366Sadrianstatic int 848278366Sadrianwpi_read_prom_data(struct wpi_softc *sc, uint32_t addr, void *data, int count) 849278366Sadrian{ 850278366Sadrian uint8_t *out = data; 851278366Sadrian uint32_t val; 852278366Sadrian int error, ntries; 853278366Sadrian 854278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 855278366Sadrian 856278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 857278366Sadrian return error; 858278366Sadrian 859278366Sadrian for (; count > 0; count -= 2, addr++) { 860278366Sadrian WPI_WRITE(sc, WPI_EEPROM, addr << 2); 861278366Sadrian for (ntries = 0; ntries < 10; ntries++) { 862278366Sadrian val = WPI_READ(sc, WPI_EEPROM); 863278366Sadrian if (val & WPI_EEPROM_READ_VALID) 864278366Sadrian break; 865278366Sadrian DELAY(5); 866278366Sadrian } 867278366Sadrian if (ntries == 10) { 868278366Sadrian device_printf(sc->sc_dev, 869278366Sadrian "timeout reading ROM at 0x%x\n", addr); 870278366Sadrian return ETIMEDOUT; 871278366Sadrian } 872278366Sadrian *out++= val >> 16; 873278366Sadrian if (count > 1) 874278366Sadrian *out ++= val >> 24; 875278366Sadrian } 876278366Sadrian 877278366Sadrian wpi_nic_unlock(sc); 878278366Sadrian 879278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 880278366Sadrian 881278366Sadrian return 0; 882278366Sadrian} 883278366Sadrian 884178354Ssamstatic void 885173362Sbenjscwpi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 886173362Sbenjsc{ 887173362Sbenjsc if (error != 0) 888173362Sbenjsc return; 889173362Sbenjsc KASSERT(nsegs == 1, ("too many DMA segments, %d should be 1", nsegs)); 890173362Sbenjsc *(bus_addr_t *)arg = segs[0].ds_addr; 891173362Sbenjsc} 892173362Sbenjsc 893177043Sthompsa/* 894177043Sthompsa * Allocates a contiguous block of dma memory of the requested size and 895278366Sadrian * alignment. 896177043Sthompsa */ 897173362Sbenjscstatic int 898173362Sbenjscwpi_dma_contig_alloc(struct wpi_softc *sc, struct wpi_dma_info *dma, 899278366Sadrian void **kvap, bus_size_t size, bus_size_t alignment) 900173362Sbenjsc{ 901173362Sbenjsc int error; 902173362Sbenjsc 903278366Sadrian dma->tag = NULL; 904173362Sbenjsc dma->size = size; 905173362Sbenjsc 906278366Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), alignment, 907278366Sadrian 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, size, 908278366Sadrian 1, size, BUS_DMA_NOWAIT, NULL, NULL, &dma->tag); 909278366Sadrian if (error != 0) 910173362Sbenjsc goto fail; 911278366Sadrian 912278366Sadrian error = bus_dmamem_alloc(dma->tag, (void **)&dma->vaddr, 913278366Sadrian BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, &dma->map); 914278366Sadrian if (error != 0) 915173362Sbenjsc goto fail; 916173362Sbenjsc 917278366Sadrian error = bus_dmamap_load(dma->tag, dma->map, dma->vaddr, size, 918278366Sadrian wpi_dma_map_addr, &dma->paddr, BUS_DMA_NOWAIT); 919278366Sadrian if (error != 0) 920278366Sadrian goto fail; 921177043Sthompsa 922278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 923177043Sthompsa 924173362Sbenjsc if (kvap != NULL) 925173362Sbenjsc *kvap = dma->vaddr; 926173362Sbenjsc 927173362Sbenjsc return 0; 928173362Sbenjsc 929278366Sadrianfail: wpi_dma_contig_free(dma); 930173362Sbenjsc return error; 931173362Sbenjsc} 932173362Sbenjsc 933173362Sbenjscstatic void 934173362Sbenjscwpi_dma_contig_free(struct wpi_dma_info *dma) 935173362Sbenjsc{ 936278366Sadrian if (dma->vaddr != NULL) { 937278366Sadrian bus_dmamap_sync(dma->tag, dma->map, 938278366Sadrian BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 939278366Sadrian bus_dmamap_unload(dma->tag, dma->map); 940278366Sadrian bus_dmamem_free(dma->tag, dma->vaddr, dma->map); 941278366Sadrian dma->vaddr = NULL; 942278366Sadrian } 943278366Sadrian if (dma->tag != NULL) { 944173362Sbenjsc bus_dma_tag_destroy(dma->tag); 945278366Sadrian dma->tag = NULL; 946173362Sbenjsc } 947173362Sbenjsc} 948173362Sbenjsc 949173362Sbenjsc/* 950173362Sbenjsc * Allocate a shared page between host and NIC. 951173362Sbenjsc */ 952173362Sbenjscstatic int 953173362Sbenjscwpi_alloc_shared(struct wpi_softc *sc) 954173362Sbenjsc{ 955278366Sadrian /* Shared buffer must be aligned on a 4KB boundary. */ 956278366Sadrian return wpi_dma_contig_alloc(sc, &sc->shared_dma, 957278366Sadrian (void **)&sc->shared, sizeof (struct wpi_shared), 4096); 958173362Sbenjsc} 959173362Sbenjsc 960173362Sbenjscstatic void 961173362Sbenjscwpi_free_shared(struct wpi_softc *sc) 962173362Sbenjsc{ 963173362Sbenjsc wpi_dma_contig_free(&sc->shared_dma); 964173362Sbenjsc} 965173362Sbenjsc 966278366Sadrian/* 967278366Sadrian * Allocate DMA-safe memory for firmware transfer. 968278366Sadrian */ 969173362Sbenjscstatic int 970278366Sadrianwpi_alloc_fwmem(struct wpi_softc *sc) 971173362Sbenjsc{ 972278366Sadrian /* Must be aligned on a 16-byte boundary. */ 973278366Sadrian return wpi_dma_contig_alloc(sc, &sc->fw_dma, NULL, 974278366Sadrian WPI_FW_TEXT_MAXSZ + WPI_FW_DATA_MAXSZ, 16); 975278366Sadrian} 976173362Sbenjsc 977278366Sadrianstatic void 978278366Sadrianwpi_free_fwmem(struct wpi_softc *sc) 979278366Sadrian{ 980278366Sadrian wpi_dma_contig_free(&sc->fw_dma); 981278366Sadrian} 982278366Sadrian 983278366Sadrianstatic int 984278366Sadrianwpi_alloc_rx_ring(struct wpi_softc *sc) 985278366Sadrian{ 986278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 987278366Sadrian bus_size_t size; 988173362Sbenjsc int i, error; 989173362Sbenjsc 990173362Sbenjsc ring->cur = 0; 991278366Sadrian ring->update = 0; 992173362Sbenjsc 993278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 994278366Sadrian 995278366Sadrian /* Allocate RX descriptors (16KB aligned.) */ 996278366Sadrian size = WPI_RX_RING_COUNT * sizeof (uint32_t); 997173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->desc_dma, 998278366Sadrian (void **)&ring->desc, size, WPI_RING_DMA_ALIGN); 999173362Sbenjsc if (error != 0) { 1000177043Sthompsa device_printf(sc->sc_dev, 1001278366Sadrian "%s: could not allocate RX ring DMA memory, error %d\n", 1002177043Sthompsa __func__, error); 1003177043Sthompsa goto fail; 1004173362Sbenjsc } 1005173362Sbenjsc 1006278366Sadrian /* Create RX buffer DMA tag. */ 1007280059Sadrian error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1008278366Sadrian BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 1009278366Sadrian MJUMPAGESIZE, 1, MJUMPAGESIZE, BUS_DMA_NOWAIT, NULL, NULL, 1010278366Sadrian &ring->data_dmat); 1011280059Sadrian if (error != 0) { 1012280059Sadrian device_printf(sc->sc_dev, 1013278366Sadrian "%s: could not create RX buf DMA tag, error %d\n", 1014177043Sthompsa __func__, error); 1015280059Sadrian goto fail; 1016280059Sadrian } 1017177043Sthompsa 1018173362Sbenjsc /* 1019278366Sadrian * Allocate and map RX buffers. 1020173362Sbenjsc */ 1021173362Sbenjsc for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1022177043Sthompsa struct wpi_rx_data *data = &ring->data[i]; 1023177043Sthompsa bus_addr_t paddr; 1024173362Sbenjsc 1025177043Sthompsa error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1026177043Sthompsa if (error != 0) { 1027173362Sbenjsc device_printf(sc->sc_dev, 1028278366Sadrian "%s: could not create RX buf DMA map, error %d\n", 1029177043Sthompsa __func__, error); 1030173362Sbenjsc goto fail; 1031173362Sbenjsc } 1032278366Sadrian 1033278366Sadrian data->m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1034278366Sadrian if (data->m == NULL) { 1035173362Sbenjsc device_printf(sc->sc_dev, 1036278366Sadrian "%s: could not allocate RX mbuf\n", __func__); 1037278366Sadrian error = ENOBUFS; 1038173362Sbenjsc goto fail; 1039173362Sbenjsc } 1040278366Sadrian 1041177043Sthompsa error = bus_dmamap_load(ring->data_dmat, data->map, 1042278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1043278366Sadrian &paddr, BUS_DMA_NOWAIT); 1044177043Sthompsa if (error != 0 && error != EFBIG) { 1045177043Sthompsa device_printf(sc->sc_dev, 1046278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, 1047278366Sadrian error); 1048173362Sbenjsc goto fail; 1049173362Sbenjsc } 1050177043Sthompsa 1051278366Sadrian /* Set physical address of RX buffer. */ 1052177043Sthompsa ring->desc[i] = htole32(paddr); 1053173362Sbenjsc } 1054278366Sadrian 1055173362Sbenjsc bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1056173362Sbenjsc BUS_DMASYNC_PREWRITE); 1057278366Sadrian 1058278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1059278366Sadrian 1060173362Sbenjsc return 0; 1061278366Sadrian 1062278366Sadrianfail: wpi_free_rx_ring(sc); 1063278366Sadrian 1064278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1065278366Sadrian 1066173362Sbenjsc return error; 1067173362Sbenjsc} 1068173362Sbenjsc 1069173362Sbenjscstatic void 1070278366Sadrianwpi_update_rx_ring(struct wpi_softc *sc) 1071173362Sbenjsc{ 1072278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1073173362Sbenjsc 1074280056Sadrian if (ring->update != 0) { 1075280056Sadrian /* Wait for INT_WAKEUP event. */ 1076280056Sadrian return; 1077280056Sadrian } 1078280056Sadrian 1079278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1080278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s: wakeup request\n", 1081278366Sadrian __func__); 1082173362Sbenjsc 1083278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1084278366Sadrian ring->update = 1; 1085278366Sadrian } else 1086278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, ring->cur & ~7); 1087278366Sadrian} 1088173362Sbenjsc 1089278366Sadrianstatic void 1090278366Sadrianwpi_reset_rx_ring(struct wpi_softc *sc) 1091278366Sadrian{ 1092278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1093278366Sadrian int ntries; 1094173362Sbenjsc 1095278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1096173362Sbenjsc 1097278366Sadrian if (wpi_nic_lock(sc) == 0) { 1098278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 0); 1099278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 1100278366Sadrian if (WPI_READ(sc, WPI_FH_RX_STATUS) & 1101278366Sadrian WPI_FH_RX_STATUS_IDLE) 1102278366Sadrian break; 1103278366Sadrian DELAY(10); 1104278366Sadrian } 1105278366Sadrian wpi_nic_unlock(sc); 1106278366Sadrian } 1107173362Sbenjsc 1108173362Sbenjsc ring->cur = 0; 1109278366Sadrian ring->update = 0; 1110173362Sbenjsc} 1111173362Sbenjsc 1112173362Sbenjscstatic void 1113278366Sadrianwpi_free_rx_ring(struct wpi_softc *sc) 1114173362Sbenjsc{ 1115278366Sadrian struct wpi_rx_ring *ring = &sc->rxq; 1116173362Sbenjsc int i; 1117173362Sbenjsc 1118278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1119278366Sadrian 1120173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1121173362Sbenjsc 1122216824Sbschmidt for (i = 0; i < WPI_RX_RING_COUNT; i++) { 1123216824Sbschmidt struct wpi_rx_data *data = &ring->data[i]; 1124216824Sbschmidt 1125216824Sbschmidt if (data->m != NULL) { 1126216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, 1127216824Sbschmidt BUS_DMASYNC_POSTREAD); 1128216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1129216824Sbschmidt m_freem(data->m); 1130278366Sadrian data->m = NULL; 1131216824Sbschmidt } 1132216824Sbschmidt if (data->map != NULL) 1133216824Sbschmidt bus_dmamap_destroy(ring->data_dmat, data->map); 1134216824Sbschmidt } 1135278366Sadrian if (ring->data_dmat != NULL) { 1136278366Sadrian bus_dma_tag_destroy(ring->data_dmat); 1137278366Sadrian ring->data_dmat = NULL; 1138278366Sadrian } 1139173362Sbenjsc} 1140173362Sbenjsc 1141173362Sbenjscstatic int 1142278366Sadrianwpi_alloc_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring, int qid) 1143173362Sbenjsc{ 1144278366Sadrian bus_addr_t paddr; 1145278366Sadrian bus_size_t size; 1146173362Sbenjsc int i, error; 1147173362Sbenjsc 1148173362Sbenjsc ring->qid = qid; 1149173362Sbenjsc ring->queued = 0; 1150173362Sbenjsc ring->cur = 0; 1151278366Sadrian ring->update = 0; 1152173362Sbenjsc 1153278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1154173362Sbenjsc 1155278366Sadrian /* Allocate TX descriptors (16KB aligned.) */ 1156278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_desc); 1157278366Sadrian error = wpi_dma_contig_alloc(sc, &ring->desc_dma, (void **)&ring->desc, 1158278366Sadrian size, WPI_RING_DMA_ALIGN); 1159173362Sbenjsc if (error != 0) { 1160278366Sadrian device_printf(sc->sc_dev, 1161278366Sadrian "%s: could not allocate TX ring DMA memory, error %d\n", 1162278366Sadrian __func__, error); 1163278366Sadrian goto fail; 1164173362Sbenjsc } 1165173362Sbenjsc 1166278366Sadrian /* Update shared area with ring physical address. */ 1167173362Sbenjsc sc->shared->txbase[qid] = htole32(ring->desc_dma.paddr); 1168278366Sadrian bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 1169278366Sadrian BUS_DMASYNC_PREWRITE); 1170173362Sbenjsc 1171278366Sadrian /* 1172278366Sadrian * We only use rings 0 through 4 (4 EDCA + cmd) so there is no need 1173278366Sadrian * to allocate commands space for other rings. 1174278366Sadrian * XXX Do we really need to allocate descriptors for other rings? 1175278366Sadrian */ 1176280064Sadrian if (qid > WPI_CMD_QUEUE_NUM) 1177278366Sadrian return 0; 1178278366Sadrian 1179278366Sadrian size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_cmd); 1180173362Sbenjsc error = wpi_dma_contig_alloc(sc, &ring->cmd_dma, (void **)&ring->cmd, 1181278366Sadrian size, 4); 1182173362Sbenjsc if (error != 0) { 1183173362Sbenjsc device_printf(sc->sc_dev, 1184278366Sadrian "%s: could not allocate TX cmd DMA memory, error %d\n", 1185278366Sadrian __func__, error); 1186173362Sbenjsc goto fail; 1187173362Sbenjsc } 1188173362Sbenjsc 1189173362Sbenjsc error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 1190173362Sbenjsc BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1191173362Sbenjsc WPI_MAX_SCATTER - 1, MCLBYTES, BUS_DMA_NOWAIT, NULL, NULL, 1192173362Sbenjsc &ring->data_dmat); 1193173362Sbenjsc if (error != 0) { 1194278366Sadrian device_printf(sc->sc_dev, 1195278366Sadrian "%s: could not create TX buf DMA tag, error %d\n", 1196278366Sadrian __func__, error); 1197173362Sbenjsc goto fail; 1198173362Sbenjsc } 1199173362Sbenjsc 1200278366Sadrian paddr = ring->cmd_dma.paddr; 1201278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1202278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1203173362Sbenjsc 1204278366Sadrian data->cmd_paddr = paddr; 1205278366Sadrian paddr += sizeof (struct wpi_tx_cmd); 1206278366Sadrian 1207173362Sbenjsc error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 1208173362Sbenjsc if (error != 0) { 1209173362Sbenjsc device_printf(sc->sc_dev, 1210278366Sadrian "%s: could not create TX buf DMA map, error %d\n", 1211278366Sadrian __func__, error); 1212173362Sbenjsc goto fail; 1213173362Sbenjsc } 1214173362Sbenjsc } 1215173362Sbenjsc 1216278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1217278366Sadrian 1218173362Sbenjsc return 0; 1219173362Sbenjsc 1220278366Sadrianfail: wpi_free_tx_ring(sc, ring); 1221278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1222173362Sbenjsc return error; 1223173362Sbenjsc} 1224173362Sbenjsc 1225173362Sbenjscstatic void 1226278366Sadrianwpi_update_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1227278366Sadrian{ 1228280056Sadrian if (ring->update != 0) { 1229280056Sadrian /* Wait for INT_WAKEUP event. */ 1230280056Sadrian return; 1231280056Sadrian } 1232280056Sadrian 1233278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) { 1234278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, "%s (%d): requesting wakeup\n", 1235278366Sadrian __func__, ring->qid); 1236278366Sadrian 1237278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 1238278366Sadrian ring->update = 1; 1239278366Sadrian } else 1240278366Sadrian WPI_WRITE(sc, WPI_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur); 1241278366Sadrian} 1242278366Sadrian 1243278366Sadrianstatic void 1244173362Sbenjscwpi_reset_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1245173362Sbenjsc{ 1246278366Sadrian int i; 1247173362Sbenjsc 1248278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1249173362Sbenjsc 1250278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1251278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1252173362Sbenjsc 1253173362Sbenjsc if (data->m != NULL) { 1254278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1255278366Sadrian BUS_DMASYNC_POSTWRITE); 1256173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 1257173362Sbenjsc m_freem(data->m); 1258173362Sbenjsc data->m = NULL; 1259173362Sbenjsc } 1260173362Sbenjsc } 1261278366Sadrian /* Clear TX descriptors. */ 1262278366Sadrian memset(ring->desc, 0, ring->desc_dma.size); 1263278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1264278366Sadrian BUS_DMASYNC_PREWRITE); 1265278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1266173362Sbenjsc ring->queued = 0; 1267173362Sbenjsc ring->cur = 0; 1268278366Sadrian ring->update = 0; 1269173362Sbenjsc} 1270173362Sbenjsc 1271173362Sbenjscstatic void 1272173362Sbenjscwpi_free_tx_ring(struct wpi_softc *sc, struct wpi_tx_ring *ring) 1273173362Sbenjsc{ 1274173362Sbenjsc int i; 1275173362Sbenjsc 1276278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 1277278366Sadrian 1278173362Sbenjsc wpi_dma_contig_free(&ring->desc_dma); 1279173362Sbenjsc wpi_dma_contig_free(&ring->cmd_dma); 1280173362Sbenjsc 1281278366Sadrian for (i = 0; i < WPI_TX_RING_COUNT; i++) { 1282278366Sadrian struct wpi_tx_data *data = &ring->data[i]; 1283173362Sbenjsc 1284278366Sadrian if (data->m != NULL) { 1285278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 1286278366Sadrian BUS_DMASYNC_POSTWRITE); 1287278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1288278366Sadrian m_freem(data->m); 1289173362Sbenjsc } 1290278366Sadrian if (data->map != NULL) 1291278366Sadrian bus_dmamap_destroy(ring->data_dmat, data->map); 1292173362Sbenjsc } 1293278366Sadrian if (ring->data_dmat != NULL) { 1294173362Sbenjsc bus_dma_tag_destroy(ring->data_dmat); 1295278366Sadrian ring->data_dmat = NULL; 1296278366Sadrian } 1297173362Sbenjsc} 1298173362Sbenjsc 1299278366Sadrian/* 1300278366Sadrian * Extract various information from EEPROM. 1301278366Sadrian */ 1302173362Sbenjscstatic int 1303278366Sadrianwpi_read_eeprom(struct wpi_softc *sc, uint8_t macaddr[IEEE80211_ADDR_LEN]) 1304173362Sbenjsc{ 1305278366Sadrian#define WPI_CHK(res) do { \ 1306278366Sadrian if ((error = res) != 0) \ 1307278366Sadrian goto fail; \ 1308278366Sadrian} while (0) 1309278366Sadrian int error, i; 1310173362Sbenjsc 1311278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1312173362Sbenjsc 1313278366Sadrian /* Adapter has to be powered on for EEPROM access to work. */ 1314278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 1315278366Sadrian device_printf(sc->sc_dev, 1316278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 1317278366Sadrian error); 1318278366Sadrian return error; 1319278366Sadrian } 1320278366Sadrian 1321278366Sadrian if ((WPI_READ(sc, WPI_EEPROM_GP) & 0x6) == 0) { 1322278366Sadrian device_printf(sc->sc_dev, "bad EEPROM signature\n"); 1323278366Sadrian error = EIO; 1324278366Sadrian goto fail; 1325278366Sadrian } 1326278366Sadrian /* Clear HW ownership of EEPROM. */ 1327278366Sadrian WPI_CLRBITS(sc, WPI_EEPROM_GP, WPI_EEPROM_GP_IF_OWNER); 1328278366Sadrian 1329278366Sadrian /* Read the hardware capabilities, revision and SKU type. */ 1330278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_SKU_CAP, &sc->cap, 1331278366Sadrian sizeof(sc->cap))); 1332278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_REVISION, &sc->rev, 1333278366Sadrian sizeof(sc->rev))); 1334278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_TYPE, &sc->type, 1335278366Sadrian sizeof(sc->type))); 1336278366Sadrian 1337280076Sadrian sc->rev = le16toh(sc->rev); 1338280066Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, "cap=%x rev=%x type=%x\n", sc->cap, 1339280076Sadrian sc->rev, sc->type); 1340278366Sadrian 1341278366Sadrian /* Read the regulatory domain (4 ASCII characters.) */ 1342278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_DOMAIN, sc->domain, 1343278366Sadrian sizeof(sc->domain))); 1344278366Sadrian 1345278366Sadrian /* Read MAC address. */ 1346278366Sadrian WPI_CHK(wpi_read_prom_data(sc, WPI_EEPROM_MAC, macaddr, 1347278366Sadrian IEEE80211_ADDR_LEN)); 1348278366Sadrian 1349278366Sadrian /* Read the list of authorized channels. */ 1350278366Sadrian for (i = 0; i < WPI_CHAN_BANDS_COUNT; i++) 1351278366Sadrian WPI_CHK(wpi_read_eeprom_channels(sc, i)); 1352278366Sadrian 1353278366Sadrian /* Read the list of TX power groups. */ 1354278366Sadrian for (i = 0; i < WPI_POWER_GROUPS_COUNT; i++) 1355278366Sadrian WPI_CHK(wpi_read_eeprom_group(sc, i)); 1356278366Sadrian 1357278366Sadrianfail: wpi_apm_stop(sc); /* Power OFF adapter. */ 1358278366Sadrian 1359278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, error ? TRACE_STR_END_ERR : TRACE_STR_END, 1360278366Sadrian __func__); 1361278366Sadrian 1362278366Sadrian return error; 1363278366Sadrian#undef WPI_CHK 1364278366Sadrian} 1365278366Sadrian 1366278366Sadrian/* 1367278366Sadrian * Translate EEPROM flags to net80211. 1368278366Sadrian */ 1369278366Sadrianstatic uint32_t 1370278366Sadrianwpi_eeprom_channel_flags(struct wpi_eeprom_chan *channel) 1371278366Sadrian{ 1372278366Sadrian uint32_t nflags; 1373278366Sadrian 1374278366Sadrian nflags = 0; 1375278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_ACTIVE) == 0) 1376278366Sadrian nflags |= IEEE80211_CHAN_PASSIVE; 1377278366Sadrian if ((channel->flags & WPI_EEPROM_CHAN_IBSS) == 0) 1378278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1379278366Sadrian if (channel->flags & WPI_EEPROM_CHAN_RADAR) { 1380278366Sadrian nflags |= IEEE80211_CHAN_DFS; 1381278366Sadrian /* XXX apparently IBSS may still be marked */ 1382278366Sadrian nflags |= IEEE80211_CHAN_NOADHOC; 1383278366Sadrian } 1384278366Sadrian 1385278366Sadrian return nflags; 1386278366Sadrian} 1387278366Sadrian 1388278366Sadrianstatic void 1389278366Sadrianwpi_read_eeprom_band(struct wpi_softc *sc, int n) 1390278366Sadrian{ 1391278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1392278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1393278366Sadrian struct wpi_eeprom_chan *channels = sc->eeprom_channels[n]; 1394278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1395278366Sadrian struct ieee80211_channel *c; 1396278366Sadrian uint8_t chan; 1397278366Sadrian int i, nflags; 1398278366Sadrian 1399278366Sadrian for (i = 0; i < band->nchan; i++) { 1400278366Sadrian if (!(channels[i].flags & WPI_EEPROM_CHAN_VALID)) { 1401280080Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1402278366Sadrian "Channel Not Valid: %d, band %d\n", 1403278366Sadrian band->chan[i],n); 1404278366Sadrian continue; 1405278366Sadrian } 1406278366Sadrian 1407278366Sadrian chan = band->chan[i]; 1408278366Sadrian nflags = wpi_eeprom_channel_flags(&channels[i]); 1409278366Sadrian 1410278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1411278366Sadrian c->ic_ieee = chan; 1412278366Sadrian c->ic_maxregpower = channels[i].maxpwr; 1413278366Sadrian c->ic_maxpower = 2*c->ic_maxregpower; 1414278366Sadrian 1415278366Sadrian if (n == 0) { /* 2GHz band */ 1416280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1417280066Sadrian IEEE80211_CHAN_G); 1418280066Sadrian 1419278366Sadrian /* G =>'s B is supported */ 1420278366Sadrian c->ic_flags = IEEE80211_CHAN_B | nflags; 1421278366Sadrian c = &ic->ic_channels[ic->ic_nchans++]; 1422278366Sadrian c[0] = c[-1]; 1423278366Sadrian c->ic_flags = IEEE80211_CHAN_G | nflags; 1424278366Sadrian } else { /* 5GHz band */ 1425280066Sadrian c->ic_freq = ieee80211_ieee2mhz(chan, 1426280066Sadrian IEEE80211_CHAN_A); 1427280066Sadrian 1428278366Sadrian c->ic_flags = IEEE80211_CHAN_A | nflags; 1429278366Sadrian } 1430278366Sadrian 1431278366Sadrian /* Save maximum allowed TX power for this channel. */ 1432278366Sadrian sc->maxpwr[chan] = channels[i].maxpwr; 1433278366Sadrian 1434278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1435278366Sadrian "adding chan %d (%dMHz) flags=0x%x maxpwr=%d passive=%d," 1436278366Sadrian " offset %d\n", chan, c->ic_freq, 1437278366Sadrian channels[i].flags, sc->maxpwr[chan], 1438278764Sadrian IEEE80211_IS_CHAN_PASSIVE(c), ic->ic_nchans); 1439278366Sadrian } 1440278366Sadrian} 1441278366Sadrian 1442278366Sadrian/** 1443278366Sadrian * Read the eeprom to find out what channels are valid for the given 1444278366Sadrian * band and update net80211 with what we find. 1445278366Sadrian */ 1446278366Sadrianstatic int 1447278366Sadrianwpi_read_eeprom_channels(struct wpi_softc *sc, int n) 1448278366Sadrian{ 1449278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1450278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1451278366Sadrian const struct wpi_chan_band *band = &wpi_bands[n]; 1452278366Sadrian int error; 1453278366Sadrian 1454278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1455278366Sadrian 1456278366Sadrian error = wpi_read_prom_data(sc, band->addr, &sc->eeprom_channels[n], 1457278366Sadrian band->nchan * sizeof (struct wpi_eeprom_chan)); 1458278366Sadrian if (error != 0) { 1459278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1460278366Sadrian return error; 1461278366Sadrian } 1462278366Sadrian 1463278366Sadrian wpi_read_eeprom_band(sc, n); 1464278366Sadrian 1465278366Sadrian ieee80211_sort_channels(ic->ic_channels, ic->ic_nchans); 1466278366Sadrian 1467278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1468278366Sadrian 1469173362Sbenjsc return 0; 1470173362Sbenjsc} 1471173362Sbenjsc 1472278366Sadrianstatic struct wpi_eeprom_chan * 1473278366Sadrianwpi_find_eeprom_channel(struct wpi_softc *sc, struct ieee80211_channel *c) 1474278366Sadrian{ 1475278366Sadrian int i, j; 1476278366Sadrian 1477278366Sadrian for (j = 0; j < WPI_CHAN_BANDS_COUNT; j++) 1478278366Sadrian for (i = 0; i < wpi_bands[j].nchan; i++) 1479278366Sadrian if (wpi_bands[j].chan[i] == c->ic_ieee) 1480278366Sadrian return &sc->eeprom_channels[j][i]; 1481278366Sadrian 1482278366Sadrian return NULL; 1483278366Sadrian} 1484278366Sadrian 1485278366Sadrian/* 1486278366Sadrian * Enforce flags read from EEPROM. 1487278366Sadrian */ 1488173362Sbenjscstatic int 1489278366Sadrianwpi_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *rd, 1490278366Sadrian int nchan, struct ieee80211_channel chans[]) 1491173362Sbenjsc{ 1492278366Sadrian struct ifnet *ifp = ic->ic_ifp; 1493278366Sadrian struct wpi_softc *sc = ifp->if_softc; 1494278366Sadrian int i; 1495173362Sbenjsc 1496278366Sadrian for (i = 0; i < nchan; i++) { 1497278366Sadrian struct ieee80211_channel *c = &chans[i]; 1498278366Sadrian struct wpi_eeprom_chan *channel; 1499278366Sadrian 1500278366Sadrian channel = wpi_find_eeprom_channel(sc, c); 1501278366Sadrian if (channel == NULL) { 1502278366Sadrian if_printf(ic->ic_ifp, 1503278366Sadrian "%s: invalid channel %u freq %u/0x%x\n", 1504278366Sadrian __func__, c->ic_ieee, c->ic_freq, c->ic_flags); 1505278366Sadrian return EINVAL; 1506278366Sadrian } 1507278366Sadrian c->ic_flags |= wpi_eeprom_channel_flags(channel); 1508278366Sadrian } 1509278366Sadrian 1510173362Sbenjsc return 0; 1511173362Sbenjsc} 1512173362Sbenjsc 1513173362Sbenjscstatic int 1514278366Sadrianwpi_read_eeprom_group(struct wpi_softc *sc, int n) 1515173362Sbenjsc{ 1516278366Sadrian struct wpi_power_group *group = &sc->groups[n]; 1517278366Sadrian struct wpi_eeprom_group rgroup; 1518278366Sadrian int i, error; 1519173362Sbenjsc 1520278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1521173362Sbenjsc 1522278366Sadrian if ((error = wpi_read_prom_data(sc, WPI_EEPROM_POWER_GRP + n * 32, 1523278366Sadrian &rgroup, sizeof rgroup)) != 0) { 1524278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1525278366Sadrian return error; 1526278366Sadrian } 1527278366Sadrian 1528278366Sadrian /* Save TX power group information. */ 1529278366Sadrian group->chan = rgroup.chan; 1530278366Sadrian group->maxpwr = rgroup.maxpwr; 1531278366Sadrian /* Retrieve temperature at which the samples were taken. */ 1532278366Sadrian group->temp = (int16_t)le16toh(rgroup.temp); 1533278366Sadrian 1534278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1535278366Sadrian "power group %d: chan=%d maxpwr=%d temp=%d\n", n, group->chan, 1536278366Sadrian group->maxpwr, group->temp); 1537278366Sadrian 1538278366Sadrian for (i = 0; i < WPI_SAMPLES_COUNT; i++) { 1539278366Sadrian group->samples[i].index = rgroup.samples[i].index; 1540278366Sadrian group->samples[i].power = rgroup.samples[i].power; 1541278366Sadrian 1542278366Sadrian DPRINTF(sc, WPI_DEBUG_EEPROM, 1543278366Sadrian "\tsample %d: index=%d power=%d\n", i, 1544278366Sadrian group->samples[i].index, group->samples[i].power); 1545278366Sadrian } 1546278366Sadrian 1547278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1548278366Sadrian 1549173362Sbenjsc return 0; 1550173362Sbenjsc} 1551173362Sbenjsc 1552280069Sadrianstatic int 1553280069Sadrianwpi_add_node_entry_adhoc(struct wpi_softc *sc) 1554280069Sadrian{ 1555280069Sadrian int newid = WPI_ID_IBSS_MIN; 1556280069Sadrian 1557280069Sadrian for (; newid <= WPI_ID_IBSS_MAX; newid++) { 1558280069Sadrian if ((sc->nodesmsk & (1 << newid)) == 0) { 1559280069Sadrian sc->nodesmsk |= 1 << newid; 1560280069Sadrian return newid; 1561280069Sadrian } 1562280069Sadrian } 1563280069Sadrian 1564280069Sadrian return WPI_ID_UNDEFINED; 1565280069Sadrian} 1566280069Sadrian 1567280069Sadrianstatic __inline int 1568280070Sadrianwpi_add_node_entry_sta(struct wpi_softc *sc) 1569280070Sadrian{ 1570280070Sadrian sc->nodesmsk |= 1 << WPI_ID_BSS; 1571280070Sadrian 1572280070Sadrian return WPI_ID_BSS; 1573280070Sadrian} 1574280070Sadrian 1575280070Sadrianstatic __inline int 1576280069Sadrianwpi_check_node_entry(struct wpi_softc *sc, uint8_t id) 1577280069Sadrian{ 1578280069Sadrian if (id == WPI_ID_UNDEFINED) 1579280069Sadrian return 0; 1580280069Sadrian 1581280069Sadrian return (sc->nodesmsk >> id) & 1; 1582280069Sadrian} 1583280069Sadrian 1584280069Sadrianstatic __inline void 1585280069Sadrianwpi_clear_node_table(struct wpi_softc *sc) 1586280069Sadrian{ 1587280069Sadrian sc->nodesmsk = 0; 1588280069Sadrian} 1589280069Sadrian 1590280069Sadrianstatic __inline void 1591280069Sadrianwpi_del_node_entry(struct wpi_softc *sc, uint8_t id) 1592280069Sadrian{ 1593280069Sadrian sc->nodesmsk &= ~(1 << id); 1594280069Sadrian} 1595280069Sadrian 1596278366Sadrianstatic struct ieee80211_node * 1597278366Sadrianwpi_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 1598278366Sadrian{ 1599278366Sadrian struct wpi_node *wn; 1600278366Sadrian 1601278366Sadrian wn = malloc(sizeof (struct wpi_node), M_80211_NODE, 1602278366Sadrian M_NOWAIT | M_ZERO); 1603278366Sadrian 1604278366Sadrian if (wn == NULL) 1605278366Sadrian return NULL; 1606278366Sadrian 1607278366Sadrian wn->id = WPI_ID_UNDEFINED; 1608278366Sadrian 1609278366Sadrian return &wn->ni; 1610278366Sadrian} 1611278366Sadrian 1612278366Sadrianstatic void 1613278366Sadrianwpi_node_free(struct ieee80211_node *ni) 1614278366Sadrian{ 1615278366Sadrian struct ieee80211com *ic = ni->ni_ic; 1616278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 1617280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 1618278366Sadrian 1619280070Sadrian if (wn->id != WPI_ID_UNDEFINED) { 1620280077Sadrian WPI_NT_LOCK(sc); 1621280069Sadrian if (wpi_check_node_entry(sc, wn->id)) { 1622280069Sadrian wpi_del_node_entry(sc, wn->id); 1623278366Sadrian wpi_del_node(sc, ni); 1624280069Sadrian } 1625280077Sadrian WPI_NT_UNLOCK(sc); 1626278366Sadrian } 1627278366Sadrian 1628278366Sadrian sc->sc_node_free(ni); 1629278366Sadrian} 1630278366Sadrian 1631173362Sbenjsc/** 1632173362Sbenjsc * Called by net80211 when ever there is a change to 80211 state machine 1633173362Sbenjsc */ 1634173362Sbenjscstatic int 1635178354Ssamwpi_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1636173362Sbenjsc{ 1637178354Ssam struct wpi_vap *wvp = WPI_VAP(vap); 1638178354Ssam struct ieee80211com *ic = vap->iv_ic; 1639173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 1640173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 1641278366Sadrian int error = 0; 1642173362Sbenjsc 1643278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1644278366Sadrian 1645278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "%s: %s -> %s\n", __func__, 1646178354Ssam ieee80211_state_name[vap->iv_state], 1647278366Sadrian ieee80211_state_name[nstate]); 1648173362Sbenjsc 1649191746Sthompsa IEEE80211_UNLOCK(ic); 1650191746Sthompsa WPI_LOCK(sc); 1651278366Sadrian switch (nstate) { 1652278366Sadrian case IEEE80211_S_SCAN: 1653278366Sadrian if ((vap->iv_opmode == IEEE80211_M_IBSS || 1654278366Sadrian vap->iv_opmode == IEEE80211_M_AHDEMO) && 1655278366Sadrian (sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 1656278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 1657278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 1658278366Sadrian device_printf(sc->sc_dev, 1659278366Sadrian "%s: could not send RXON\n", __func__); 1660278366Sadrian } 1661216238Sbschmidt } 1662278366Sadrian break; 1663278366Sadrian 1664278366Sadrian case IEEE80211_S_ASSOC: 1665278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1666278366Sadrian break; 1667278366Sadrian /* FALLTHROUGH */ 1668278366Sadrian case IEEE80211_S_AUTH: 1669216238Sbschmidt /* 1670216238Sbschmidt * The node must be registered in the firmware before auth. 1671216238Sbschmidt * Also the associd must be cleared on RUN -> ASSOC 1672216238Sbschmidt * transitions. 1673216238Sbschmidt */ 1674278366Sadrian if ((error = wpi_auth(sc, vap)) != 0) { 1675191746Sthompsa device_printf(sc->sc_dev, 1676278366Sadrian "%s: could not move to AUTH state, error %d\n", 1677191746Sthompsa __func__, error); 1678191746Sthompsa } 1679278366Sadrian break; 1680278366Sadrian 1681278366Sadrian case IEEE80211_S_RUN: 1682278366Sadrian /* 1683278366Sadrian * RUN -> RUN transition; Just restart the timers. 1684278366Sadrian */ 1685278366Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 1686278366Sadrian wpi_calib_timeout(sc); 1687278366Sadrian break; 1688278366Sadrian } 1689278366Sadrian 1690278366Sadrian /* 1691278366Sadrian * !RUN -> RUN requires setting the association id 1692278366Sadrian * which is done with a firmware cmd. We also defer 1693278366Sadrian * starting the timers until that work is done. 1694278366Sadrian */ 1695278366Sadrian if ((error = wpi_run(sc, vap)) != 0) { 1696191746Sthompsa device_printf(sc->sc_dev, 1697278366Sadrian "%s: could not move to RUN state\n", __func__); 1698191746Sthompsa } 1699278366Sadrian break; 1700278366Sadrian 1701278366Sadrian default: 1702278366Sadrian break; 1703178354Ssam } 1704191746Sthompsa WPI_UNLOCK(sc); 1705191746Sthompsa IEEE80211_LOCK(ic); 1706278366Sadrian if (error != 0) { 1707278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 1708278366Sadrian return error; 1709278366Sadrian } 1710173362Sbenjsc 1711278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1712173362Sbenjsc 1713280085Sadrian return wvp->wv_newstate(vap, nstate, arg); 1714173362Sbenjsc} 1715173362Sbenjsc 1716173362Sbenjscstatic void 1717278366Sadrianwpi_calib_timeout(void *arg) 1718173362Sbenjsc{ 1719278366Sadrian struct wpi_softc *sc = arg; 1720278366Sadrian struct ifnet *ifp = sc->sc_ifp; 1721278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 1722278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1723173362Sbenjsc 1724278366Sadrian if (vap->iv_state != IEEE80211_S_RUN) 1725278366Sadrian return; 1726173362Sbenjsc 1727278366Sadrian wpi_power_calibration(sc); 1728173362Sbenjsc 1729278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 1730173362Sbenjsc} 1731173362Sbenjsc 1732278366Sadrianstatic __inline uint8_t 1733278366Sadrianrate2plcp(const uint8_t rate) 1734173362Sbenjsc{ 1735278366Sadrian switch (rate) { 1736278366Sadrian case 12: return 0xd; 1737278366Sadrian case 18: return 0xf; 1738278366Sadrian case 24: return 0x5; 1739278366Sadrian case 36: return 0x7; 1740278366Sadrian case 48: return 0x9; 1741278366Sadrian case 72: return 0xb; 1742278366Sadrian case 96: return 0x1; 1743278366Sadrian case 108: return 0x3; 1744278366Sadrian case 2: return 10; 1745278366Sadrian case 4: return 20; 1746278366Sadrian case 11: return 55; 1747278366Sadrian case 22: return 110; 1748278366Sadrian default: return 0; 1749173362Sbenjsc } 1750173362Sbenjsc} 1751173362Sbenjsc 1752278366Sadrianstatic __inline uint8_t 1753278366Sadrianplcp2rate(const uint8_t plcp) 1754173362Sbenjsc{ 1755278366Sadrian switch (plcp) { 1756278366Sadrian case 0xd: return 12; 1757278366Sadrian case 0xf: return 18; 1758278366Sadrian case 0x5: return 24; 1759278366Sadrian case 0x7: return 36; 1760278366Sadrian case 0x9: return 48; 1761278366Sadrian case 0xb: return 72; 1762278366Sadrian case 0x1: return 96; 1763278366Sadrian case 0x3: return 108; 1764278366Sadrian case 10: return 2; 1765278366Sadrian case 20: return 4; 1766278366Sadrian case 55: return 11; 1767278366Sadrian case 110: return 22; 1768278366Sadrian default: return 0; 1769173362Sbenjsc } 1770278366Sadrian} 1771173362Sbenjsc 1772278366Sadrian/* Quickly determine if a given rate is CCK or OFDM. */ 1773278366Sadrian#define WPI_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22) 1774173362Sbenjsc 1775173362Sbenjscstatic void 1776278366Sadrianwpi_rx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1777278366Sadrian struct wpi_rx_data *data) 1778173362Sbenjsc{ 1779178354Ssam struct ifnet *ifp = sc->sc_ifp; 1780178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1781173362Sbenjsc struct wpi_rx_ring *ring = &sc->rxq; 1782173362Sbenjsc struct wpi_rx_stat *stat; 1783173362Sbenjsc struct wpi_rx_head *head; 1784173362Sbenjsc struct wpi_rx_tail *tail; 1785278366Sadrian struct ieee80211_frame *wh; 1786173362Sbenjsc struct ieee80211_node *ni; 1787278366Sadrian struct mbuf *m, *m1; 1788177043Sthompsa bus_addr_t paddr; 1789278366Sadrian uint32_t flags; 1790278366Sadrian uint16_t len; 1791177043Sthompsa int error; 1792173362Sbenjsc 1793173362Sbenjsc stat = (struct wpi_rx_stat *)(desc + 1); 1794173362Sbenjsc 1795173362Sbenjsc if (stat->len > WPI_STAT_MAXLEN) { 1796278366Sadrian device_printf(sc->sc_dev, "invalid RX statistic header\n"); 1797278764Sadrian goto fail1; 1798173362Sbenjsc } 1799173362Sbenjsc 1800216824Sbschmidt bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTREAD); 1801173362Sbenjsc head = (struct wpi_rx_head *)((caddr_t)(stat + 1) + stat->len); 1802278366Sadrian len = le16toh(head->len); 1803278366Sadrian tail = (struct wpi_rx_tail *)((caddr_t)(head + 1) + len); 1804278366Sadrian flags = le32toh(tail->flags); 1805173362Sbenjsc 1806278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: idx %d len %d stat len %u rssi %d" 1807278366Sadrian " rate %x chan %d tstamp %ju\n", __func__, ring->cur, 1808278366Sadrian le32toh(desc->len), len, (int8_t)stat->rssi, 1809278366Sadrian head->plcp, head->chan, (uintmax_t)le64toh(tail->tstamp)); 1810173362Sbenjsc 1811278366Sadrian /* Discard frames with a bad FCS early. */ 1812278366Sadrian if ((flags & WPI_RX_NOERROR) != WPI_RX_NOERROR) { 1813278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: RX flags error %x\n", 1814278366Sadrian __func__, flags); 1815278764Sadrian goto fail1; 1816190458Sjmallett } 1817278366Sadrian /* Discard frames that are too short. */ 1818278366Sadrian if (len < sizeof (*wh)) { 1819278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, "%s: frame too short: %d\n", 1820278366Sadrian __func__, len); 1821278764Sadrian goto fail1; 1822190458Sjmallett } 1823190458Sjmallett 1824278366Sadrian m1 = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 1825278366Sadrian if (m1 == NULL) { 1826278366Sadrian DPRINTF(sc, WPI_DEBUG_ANY, "%s: no mbuf to restock ring\n", 1827278366Sadrian __func__); 1828278764Sadrian goto fail1; 1829177043Sthompsa } 1830216824Sbschmidt bus_dmamap_unload(ring->data_dmat, data->map); 1831216824Sbschmidt 1832278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, mtod(m1, void *), 1833278366Sadrian MJUMPAGESIZE, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 1834177043Sthompsa if (error != 0 && error != EFBIG) { 1835177043Sthompsa device_printf(sc->sc_dev, 1836177043Sthompsa "%s: bus_dmamap_load failed, error %d\n", __func__, error); 1837278366Sadrian m_freem(m1); 1838278366Sadrian 1839278366Sadrian /* Try to reload the old mbuf. */ 1840278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, 1841278366Sadrian mtod(data->m, void *), MJUMPAGESIZE, wpi_dma_map_addr, 1842278366Sadrian &paddr, BUS_DMA_NOWAIT); 1843278366Sadrian if (error != 0 && error != EFBIG) { 1844278366Sadrian panic("%s: could not load old RX mbuf", __func__); 1845278366Sadrian } 1846278366Sadrian /* Physical address may have changed. */ 1847278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1848278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->desc_dma.map, 1849278366Sadrian BUS_DMASYNC_PREWRITE); 1850278764Sadrian goto fail1; 1851177043Sthompsa } 1852177043Sthompsa 1853173362Sbenjsc m = data->m; 1854278366Sadrian data->m = m1; 1855278366Sadrian /* Update RX descriptor. */ 1856278366Sadrian ring->desc[ring->cur] = htole32(paddr); 1857278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 1858278366Sadrian BUS_DMASYNC_PREWRITE); 1859278366Sadrian 1860278366Sadrian /* Finalize mbuf. */ 1861173362Sbenjsc m->m_pkthdr.rcvif = ifp; 1862173362Sbenjsc m->m_data = (caddr_t)(head + 1); 1863278366Sadrian m->m_pkthdr.len = m->m_len = len; 1864173362Sbenjsc 1865278366Sadrian /* Grab a reference to the source node. */ 1866278366Sadrian wh = mtod(m, struct ieee80211_frame *); 1867173362Sbenjsc 1868278366Sadrian if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) && 1869280088Sadrian (flags & WPI_RX_CIPHER_MASK) == WPI_RX_CIPHER_CCMP) { 1870278366Sadrian /* Check whether decryption was successful or not. */ 1871278366Sadrian if ((flags & WPI_RX_DECRYPT_MASK) != WPI_RX_DECRYPT_OK) { 1872278366Sadrian DPRINTF(sc, WPI_DEBUG_RECV, 1873278366Sadrian "CCMP decryption failed 0x%x\n", flags); 1874278764Sadrian goto fail2; 1875278366Sadrian } 1876278366Sadrian m->m_flags |= M_WEP; 1877278366Sadrian } 1878278366Sadrian 1879280088Sadrian ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1880280088Sadrian 1881192468Ssam if (ieee80211_radiotap_active(ic)) { 1882173362Sbenjsc struct wpi_rx_radiotap_header *tap = &sc->sc_rxtap; 1883173362Sbenjsc 1884173362Sbenjsc tap->wr_flags = 0; 1885278366Sadrian if (head->flags & htole16(WPI_STAT_FLAG_SHPREAMBLE)) 1886278366Sadrian tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 1887280064Sadrian tap->wr_dbm_antsignal = (int8_t)(stat->rssi + WPI_RSSI_OFFSET); 1888280081Sadrian tap->wr_dbm_antnoise = WPI_RSSI_OFFSET; 1889173362Sbenjsc tap->wr_tsft = tail->tstamp; 1890173362Sbenjsc tap->wr_antenna = (le16toh(head->flags) >> 4) & 0xf; 1891278366Sadrian tap->wr_rate = plcp2rate(head->plcp); 1892173362Sbenjsc } 1893173362Sbenjsc 1894173362Sbenjsc WPI_UNLOCK(sc); 1895173362Sbenjsc 1896278366Sadrian /* Send the frame to the 802.11 layer. */ 1897178354Ssam if (ni != NULL) { 1898280064Sadrian (void)ieee80211_input(ni, m, stat->rssi, WPI_RSSI_OFFSET); 1899278366Sadrian /* Node is no longer needed. */ 1900178354Ssam ieee80211_free_node(ni); 1901178354Ssam } else 1902280064Sadrian (void)ieee80211_input_all(ic, m, stat->rssi, WPI_RSSI_OFFSET); 1903173362Sbenjsc 1904173362Sbenjsc WPI_LOCK(sc); 1905278764Sadrian 1906278764Sadrian return; 1907278764Sadrian 1908280088Sadrianfail2: m_freem(m); 1909278764Sadrian 1910278764Sadrianfail1: if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1911173362Sbenjsc} 1912173362Sbenjsc 1913173362Sbenjscstatic void 1914278366Sadrianwpi_rx_statistics(struct wpi_softc *sc, struct wpi_rx_desc *desc, 1915278366Sadrian struct wpi_rx_data *data) 1916173362Sbenjsc{ 1917278366Sadrian /* Ignore */ 1918278366Sadrian} 1919278366Sadrian 1920278366Sadrianstatic void 1921278366Sadrianwpi_tx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1922278366Sadrian{ 1923178354Ssam struct ifnet *ifp = sc->sc_ifp; 1924173362Sbenjsc struct wpi_tx_ring *ring = &sc->txq[desc->qid & 0x3]; 1925278366Sadrian struct wpi_tx_data *data = &ring->data[desc->idx]; 1926173362Sbenjsc struct wpi_tx_stat *stat = (struct wpi_tx_stat *)(desc + 1); 1927278366Sadrian struct mbuf *m; 1928278366Sadrian struct ieee80211_node *ni; 1929278366Sadrian struct ieee80211vap *vap; 1930280078Sadrian struct ieee80211com *ic; 1931280054Sadrian int ackfailcnt = stat->ackfailcnt / 2; /* wpi_mrr_setup() */ 1932278366Sadrian int status = le32toh(stat->status); 1933173362Sbenjsc 1934278366Sadrian KASSERT(data->ni != NULL, ("no node")); 1935173362Sbenjsc 1936278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 1937278366Sadrian 1938278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: " 1939278366Sadrian "qid %d idx %d retries %d btkillcnt %d rate %x duration %d " 1940278764Sadrian "status %x\n", __func__, desc->qid, desc->idx, ackfailcnt, 1941278366Sadrian stat->btkillcnt, stat->rate, le32toh(stat->duration), status); 1942278366Sadrian 1943278366Sadrian /* Unmap and free mbuf. */ 1944278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTWRITE); 1945278366Sadrian bus_dmamap_unload(ring->data_dmat, data->map); 1946278366Sadrian m = data->m, data->m = NULL; 1947278366Sadrian ni = data->ni, data->ni = NULL; 1948278366Sadrian vap = ni->ni_vap; 1949280078Sadrian ic = vap->iv_ic; 1950278366Sadrian 1951173362Sbenjsc /* 1952173362Sbenjsc * Update rate control statistics for the node. 1953173362Sbenjsc */ 1954278366Sadrian WPI_UNLOCK(sc); 1955278366Sadrian if ((status & 0xff) != 1) { 1956271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1957278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1958278764Sadrian IEEE80211_RATECTL_TX_FAILURE, &ackfailcnt, NULL); 1959278366Sadrian } else { 1960271849Sglebius if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1961278366Sadrian ieee80211_ratectl_tx_complete(vap, ni, 1962278764Sadrian IEEE80211_RATECTL_TX_SUCCESS, &ackfailcnt, NULL); 1963278366Sadrian } 1964173362Sbenjsc 1965278366Sadrian ieee80211_tx_complete(ni, m, (status & 0xff) != 1); 1966278366Sadrian WPI_LOCK(sc); 1967173362Sbenjsc 1968278366Sadrian sc->sc_tx_timer = 0; 1969278366Sadrian if (--ring->queued < WPI_TX_RING_LOMARK) { 1970278366Sadrian sc->qfullmsk &= ~(1 << ring->qid); 1971278366Sadrian if (sc->qfullmsk == 0 && 1972278366Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) { 1973278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1974280078Sadrian ieee80211_runtask(ic, &sc->sc_start_task); 1975278366Sadrian } 1976278366Sadrian } 1977173362Sbenjsc 1978278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 1979173362Sbenjsc} 1980173362Sbenjsc 1981278366Sadrian/* 1982278366Sadrian * Process a "command done" firmware notification. This is where we wakeup 1983278366Sadrian * processes waiting for a synchronous command completion. 1984278366Sadrian */ 1985173362Sbenjscstatic void 1986278366Sadrianwpi_cmd_done(struct wpi_softc *sc, struct wpi_rx_desc *desc) 1987173362Sbenjsc{ 1988280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 1989173362Sbenjsc struct wpi_tx_data *data; 1990173362Sbenjsc 1991278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "cmd notification qid=%x idx=%d flags=%x " 1992278366Sadrian "type=%s len=%d\n", desc->qid, desc->idx, 1993278366Sadrian desc->flags, wpi_cmd_str(desc->type), 1994278366Sadrian le32toh(desc->len)); 1995173362Sbenjsc 1996280064Sadrian if ((desc->qid & WPI_RX_DESC_QID_MSK) != WPI_CMD_QUEUE_NUM) 1997278366Sadrian return; /* Not a command ack. */ 1998173362Sbenjsc 1999280075Sadrian KASSERT(ring->queued == 0, ("ring->queued must be 0")); 2000280075Sadrian 2001173362Sbenjsc data = &ring->data[desc->idx]; 2002173362Sbenjsc 2003278366Sadrian /* If the command was mapped in an mbuf, free it. */ 2004173362Sbenjsc if (data->m != NULL) { 2005278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 2006278366Sadrian BUS_DMASYNC_POSTWRITE); 2007173362Sbenjsc bus_dmamap_unload(ring->data_dmat, data->map); 2008173362Sbenjsc m_freem(data->m); 2009173362Sbenjsc data->m = NULL; 2010173362Sbenjsc } 2011173362Sbenjsc 2012173362Sbenjsc wakeup(&ring->cmd[desc->idx]); 2013173362Sbenjsc} 2014173362Sbenjsc 2015173362Sbenjscstatic void 2016173362Sbenjscwpi_notif_intr(struct wpi_softc *sc) 2017173362Sbenjsc{ 2018178354Ssam struct ifnet *ifp = sc->sc_ifp; 2019178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2020278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2021278366Sadrian int hw; 2022173362Sbenjsc 2023216523Sbschmidt bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, 2024216523Sbschmidt BUS_DMASYNC_POSTREAD); 2025216523Sbschmidt 2026173362Sbenjsc hw = le32toh(sc->shared->next); 2027278366Sadrian hw = (hw == 0) ? WPI_RX_RING_COUNT - 1 : hw - 1; 2028216523Sbschmidt 2029278764Sadrian while (sc->rxq.cur != hw) { 2030278366Sadrian sc->rxq.cur = (sc->rxq.cur + 1) % WPI_RX_RING_COUNT; 2031278366Sadrian 2032278366Sadrian struct wpi_rx_data *data = &sc->rxq.data[sc->rxq.cur]; 2033278366Sadrian struct wpi_rx_desc *desc; 2034278366Sadrian 2035216523Sbschmidt bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2036216523Sbschmidt BUS_DMASYNC_POSTREAD); 2037278366Sadrian desc = mtod(data->m, struct wpi_rx_desc *); 2038173362Sbenjsc 2039278366Sadrian DPRINTF(sc, WPI_DEBUG_NOTIFY, 2040278366Sadrian "%s: cur=%d; qid %x idx %d flags %x type %d(%s) len %d\n", 2041278366Sadrian __func__, sc->rxq.cur, desc->qid, desc->idx, desc->flags, 2042278366Sadrian desc->type, wpi_cmd_str(desc->type), le32toh(desc->len)); 2043173362Sbenjsc 2044280064Sadrian if (!(desc->qid & WPI_UNSOLICITED_RX_NOTIF)) { 2045280064Sadrian /* Reply to a command. */ 2046278366Sadrian wpi_cmd_done(sc, desc); 2047280064Sadrian } 2048173362Sbenjsc 2049173362Sbenjsc switch (desc->type) { 2050173362Sbenjsc case WPI_RX_DONE: 2051278366Sadrian /* An 802.11 frame has been received. */ 2052278366Sadrian wpi_rx_done(sc, desc, data); 2053280055Sadrian 2054280055Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2055280055Sadrian /* wpi_stop() was called. */ 2056280055Sadrian return; 2057280055Sadrian } 2058280055Sadrian 2059173362Sbenjsc break; 2060173362Sbenjsc 2061173362Sbenjsc case WPI_TX_DONE: 2062278366Sadrian /* An 802.11 frame has been transmitted. */ 2063278366Sadrian wpi_tx_done(sc, desc); 2064173362Sbenjsc break; 2065173362Sbenjsc 2066278366Sadrian case WPI_RX_STATISTICS: 2067278366Sadrian case WPI_BEACON_STATISTICS: 2068278366Sadrian wpi_rx_statistics(sc, desc, data); 2069278366Sadrian break; 2070278366Sadrian 2071278366Sadrian case WPI_BEACON_MISSED: 2072278366Sadrian { 2073278366Sadrian struct wpi_beacon_missed *miss = 2074278366Sadrian (struct wpi_beacon_missed *)(desc + 1); 2075278366Sadrian int misses; 2076278366Sadrian 2077278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2078278366Sadrian BUS_DMASYNC_POSTREAD); 2079278366Sadrian misses = le32toh(miss->consecutive); 2080278366Sadrian 2081278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, 2082278366Sadrian "%s: beacons missed %d/%d\n", __func__, misses, 2083278366Sadrian le32toh(miss->total)); 2084278366Sadrian 2085278366Sadrian if (vap->iv_state == IEEE80211_S_RUN && 2086280051Sadrian (ic->ic_flags & IEEE80211_F_SCAN) == 0) { 2087278366Sadrian if (misses >= vap->iv_bmissthreshold) { 2088278366Sadrian WPI_UNLOCK(sc); 2089278366Sadrian ieee80211_beacon_miss(ic); 2090278366Sadrian WPI_LOCK(sc); 2091278366Sadrian } 2092278366Sadrian } 2093278366Sadrian break; 2094278366Sadrian } 2095173362Sbenjsc case WPI_UC_READY: 2096173362Sbenjsc { 2097173362Sbenjsc struct wpi_ucode_info *uc = 2098278366Sadrian (struct wpi_ucode_info *)(desc + 1); 2099173362Sbenjsc 2100278366Sadrian /* The microcontroller is ready. */ 2101278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2102278366Sadrian BUS_DMASYNC_POSTREAD); 2103278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, 2104278366Sadrian "microcode alive notification version=%d.%d " 2105278366Sadrian "subtype=%x alive=%x\n", uc->major, uc->minor, 2106278366Sadrian uc->subtype, le32toh(uc->valid)); 2107173362Sbenjsc 2108173362Sbenjsc if (le32toh(uc->valid) != 1) { 2109173362Sbenjsc device_printf(sc->sc_dev, 2110173362Sbenjsc "microcontroller initialization failed\n"); 2111173362Sbenjsc wpi_stop_locked(sc); 2112173362Sbenjsc } 2113278366Sadrian /* Save the address of the error log in SRAM. */ 2114278366Sadrian sc->errptr = le32toh(uc->errptr); 2115173362Sbenjsc break; 2116173362Sbenjsc } 2117173362Sbenjsc case WPI_STATE_CHANGED: 2118173362Sbenjsc { 2119280059Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2120280059Sadrian BUS_DMASYNC_POSTREAD); 2121278366Sadrian 2122173362Sbenjsc uint32_t *status = (uint32_t *)(desc + 1); 2123278764Sadrian 2124278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "state changed to %x\n", 2125278366Sadrian le32toh(*status)); 2126278764Sadrian 2127173362Sbenjsc if (le32toh(*status) & 1) { 2128280077Sadrian WPI_NT_LOCK(sc); 2129280069Sadrian wpi_clear_node_table(sc); 2130280077Sadrian WPI_NT_UNLOCK(sc); 2131278366Sadrian ieee80211_runtask(ic, &sc->sc_radiooff_task); 2132278366Sadrian return; 2133173362Sbenjsc } 2134173362Sbenjsc break; 2135173362Sbenjsc } 2136173362Sbenjsc case WPI_START_SCAN: 2137173362Sbenjsc { 2138278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2139278366Sadrian BUS_DMASYNC_POSTREAD); 2140179957Sthompsa#ifdef WPI_DEBUG 2141173362Sbenjsc struct wpi_start_scan *scan = 2142278366Sadrian (struct wpi_start_scan *)(desc + 1); 2143278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2144278366Sadrian "%s: scanning channel %d status %x\n", 2145278366Sadrian __func__, scan->chan, le32toh(scan->status)); 2146179957Sthompsa#endif 2147173362Sbenjsc break; 2148173362Sbenjsc } 2149173362Sbenjsc case WPI_STOP_SCAN: 2150173362Sbenjsc { 2151278366Sadrian bus_dmamap_sync(sc->rxq.data_dmat, data->map, 2152278366Sadrian BUS_DMASYNC_POSTREAD); 2153179957Sthompsa#ifdef WPI_DEBUG 2154173362Sbenjsc struct wpi_stop_scan *scan = 2155278366Sadrian (struct wpi_stop_scan *)(desc + 1); 2156278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, 2157278366Sadrian "scan finished nchan=%d status=%d chan=%d\n", 2158278366Sadrian scan->nchan, scan->status, scan->chan); 2159179957Sthompsa#endif 2160177043Sthompsa sc->sc_scan_timer = 0; 2161278366Sadrian WPI_UNLOCK(sc); 2162178354Ssam ieee80211_scan_next(vap); 2163278366Sadrian WPI_LOCK(sc); 2164173362Sbenjsc break; 2165173362Sbenjsc } 2166278366Sadrian } 2167278764Sadrian } 2168173976Sbenjsc 2169278366Sadrian /* Tell the firmware what we have processed. */ 2170278366Sadrian wpi_update_rx_ring(sc); 2171278366Sadrian} 2172278366Sadrian 2173278366Sadrian/* 2174278366Sadrian * Process an INT_WAKEUP interrupt raised when the microcontroller wakes up 2175278366Sadrian * from power-down sleep mode. 2176278366Sadrian */ 2177280059Sadrianstatic void 2178278366Sadrianwpi_wakeup_intr(struct wpi_softc *sc) 2179278366Sadrian{ 2180278366Sadrian int qid; 2181278366Sadrian 2182278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 2183278366Sadrian "%s: ucode wakeup from power-down sleep\n", __func__); 2184278366Sadrian 2185278366Sadrian /* Wakeup RX and TX rings. */ 2186278366Sadrian if (sc->rxq.update) { 2187278764Sadrian sc->rxq.update = 0; 2188278366Sadrian wpi_update_rx_ring(sc); 2189278366Sadrian } 2190280071Sadrian WPI_TXQ_LOCK(sc); 2191280058Sadrian for (qid = 0; qid < WPI_DRV_NTXQUEUES; qid++) { 2192278366Sadrian struct wpi_tx_ring *ring = &sc->txq[qid]; 2193278366Sadrian 2194278366Sadrian if (ring->update) { 2195278764Sadrian ring->update = 0; 2196278366Sadrian wpi_update_tx_ring(sc, ring); 2197173362Sbenjsc } 2198278366Sadrian } 2199280071Sadrian WPI_TXQ_UNLOCK(sc); 2200173362Sbenjsc 2201278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_MAC_ACCESS_REQ); 2202278366Sadrian} 2203278366Sadrian 2204278366Sadrian/* 2205280093Sadrian * This function prints firmware registers 2206280093Sadrian */ 2207280093Sadrian#ifdef WPI_DEBUG 2208280093Sadrianstatic void 2209280093Sadrianwpi_debug_registers(struct wpi_softc *sc) 2210280093Sadrian{ 2211280093Sadrian#define COUNTOF(array) (sizeof(array) / sizeof(array[0])) 2212280093Sadrian int i; 2213280093Sadrian static const uint32_t csr_tbl[] = { 2214280093Sadrian WPI_HW_IF_CONFIG, 2215280093Sadrian WPI_INT, 2216280093Sadrian WPI_INT_MASK, 2217280093Sadrian WPI_FH_INT, 2218280093Sadrian WPI_GPIO_IN, 2219280093Sadrian WPI_RESET, 2220280093Sadrian WPI_GP_CNTRL, 2221280093Sadrian WPI_EEPROM, 2222280093Sadrian WPI_EEPROM_GP, 2223280093Sadrian WPI_GIO, 2224280093Sadrian WPI_UCODE_GP1, 2225280093Sadrian WPI_UCODE_GP2, 2226280093Sadrian WPI_GIO_CHICKEN, 2227280093Sadrian WPI_ANA_PLL, 2228280093Sadrian WPI_DBG_HPET_MEM, 2229280093Sadrian }; 2230280093Sadrian static const uint32_t prph_tbl[] = { 2231280093Sadrian WPI_APMG_CLK_CTRL, 2232280093Sadrian WPI_APMG_PS, 2233280093Sadrian WPI_APMG_PCI_STT, 2234280093Sadrian WPI_APMG_RFKILL, 2235280093Sadrian }; 2236280093Sadrian 2237280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER,"%s","\n"); 2238280093Sadrian 2239280093Sadrian for (i = 0; i < COUNTOF(csr_tbl); i++) { 2240280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, " %-18s: 0x%08x ", 2241280093Sadrian wpi_get_csr_string(csr_tbl[i]), WPI_READ(sc, csr_tbl[i])); 2242280093Sadrian 2243280093Sadrian if ((i + 1) % 2 == 0) 2244280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2245280093Sadrian } 2246280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n\n"); 2247280093Sadrian 2248280093Sadrian if (wpi_nic_lock(sc) == 0) { 2249280093Sadrian for (i = 0; i < COUNTOF(prph_tbl); i++) { 2250280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, " %-18s: 0x%08x ", 2251280093Sadrian wpi_get_prph_string(prph_tbl[i]), 2252280093Sadrian wpi_prph_read(sc, prph_tbl[i])); 2253280093Sadrian 2254280093Sadrian if ((i + 1) % 2 == 0) 2255280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2256280093Sadrian } 2257280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, "\n"); 2258280093Sadrian wpi_nic_unlock(sc); 2259280093Sadrian } else { 2260280093Sadrian DPRINTF(sc, WPI_DEBUG_REGISTER, 2261280093Sadrian "Cannot access internal registers.\n"); 2262280093Sadrian } 2263280093Sadrian#undef COUNTOF 2264280093Sadrian} 2265280093Sadrian#endif 2266280093Sadrian 2267280093Sadrian/* 2268278366Sadrian * Dump the error log of the firmware when a firmware panic occurs. Although 2269278366Sadrian * we can't debug the firmware because it is neither open source nor free, it 2270278366Sadrian * can help us to identify certain classes of problems. 2271278366Sadrian */ 2272278366Sadrianstatic void 2273278366Sadrianwpi_fatal_intr(struct wpi_softc *sc) 2274278366Sadrian{ 2275278366Sadrian struct wpi_fw_dump dump; 2276278366Sadrian uint32_t i, offset, count; 2277278366Sadrian const uint32_t size_errmsg = 2278278366Sadrian (sizeof (wpi_fw_errmsg) / sizeof ((wpi_fw_errmsg)[0])); 2279278366Sadrian 2280278366Sadrian /* Check that the error log address is valid. */ 2281278366Sadrian if (sc->errptr < WPI_FW_DATA_BASE || 2282278366Sadrian sc->errptr + sizeof (dump) > 2283278366Sadrian WPI_FW_DATA_BASE + WPI_FW_DATA_MAXSZ) { 2284278366Sadrian printf("%s: bad firmware error log address 0x%08x\n", __func__, 2285278366Sadrian sc->errptr); 2286280059Sadrian return; 2287280059Sadrian } 2288278366Sadrian if (wpi_nic_lock(sc) != 0) { 2289278366Sadrian printf("%s: could not read firmware error log\n", __func__); 2290280059Sadrian return; 2291280059Sadrian } 2292278366Sadrian /* Read number of entries in the log. */ 2293278366Sadrian count = wpi_mem_read(sc, sc->errptr); 2294278366Sadrian if (count == 0 || count * sizeof (dump) > WPI_FW_DATA_MAXSZ) { 2295278366Sadrian printf("%s: invalid count field (count = %u)\n", __func__, 2296278366Sadrian count); 2297278366Sadrian wpi_nic_unlock(sc); 2298278366Sadrian return; 2299173362Sbenjsc } 2300278366Sadrian /* Skip "count" field. */ 2301278366Sadrian offset = sc->errptr + sizeof (uint32_t); 2302278366Sadrian printf("firmware error log (count = %u):\n", count); 2303278366Sadrian for (i = 0; i < count; i++) { 2304278366Sadrian wpi_mem_read_region_4(sc, offset, (uint32_t *)&dump, 2305278366Sadrian sizeof (dump) / sizeof (uint32_t)); 2306173362Sbenjsc 2307278366Sadrian printf(" error type = \"%s\" (0x%08X)\n", 2308278366Sadrian (dump.desc < size_errmsg) ? 2309278366Sadrian wpi_fw_errmsg[dump.desc] : "UNKNOWN", 2310278366Sadrian dump.desc); 2311278366Sadrian printf(" error data = 0x%08X\n", 2312278366Sadrian dump.data); 2313278366Sadrian printf(" branch link = 0x%08X%08X\n", 2314278366Sadrian dump.blink[0], dump.blink[1]); 2315278366Sadrian printf(" interrupt link = 0x%08X%08X\n", 2316278366Sadrian dump.ilink[0], dump.ilink[1]); 2317278366Sadrian printf(" time = %u\n", dump.time); 2318278366Sadrian 2319278366Sadrian offset += sizeof (dump); 2320278366Sadrian } 2321278366Sadrian wpi_nic_unlock(sc); 2322278366Sadrian /* Dump driver status (TX and RX rings) while we're here. */ 2323278366Sadrian printf("driver status:\n"); 2324280071Sadrian WPI_TXQ_LOCK(sc); 2325280058Sadrian for (i = 0; i < WPI_DRV_NTXQUEUES; i++) { 2326278366Sadrian struct wpi_tx_ring *ring = &sc->txq[i]; 2327278366Sadrian printf(" tx ring %2d: qid=%-2d cur=%-3d queued=%-3d\n", 2328278366Sadrian i, ring->qid, ring->cur, ring->queued); 2329278366Sadrian } 2330280071Sadrian WPI_TXQ_UNLOCK(sc); 2331278366Sadrian printf(" rx ring: cur=%d\n", sc->rxq.cur); 2332173362Sbenjsc} 2333173362Sbenjsc 2334173362Sbenjscstatic void 2335173362Sbenjscwpi_intr(void *arg) 2336173362Sbenjsc{ 2337173362Sbenjsc struct wpi_softc *sc = arg; 2338278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2339278366Sadrian uint32_t r1, r2; 2340173362Sbenjsc 2341173362Sbenjsc WPI_LOCK(sc); 2342173362Sbenjsc 2343278366Sadrian /* Disable interrupts. */ 2344278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 2345278366Sadrian 2346278366Sadrian r1 = WPI_READ(sc, WPI_INT); 2347278366Sadrian 2348280065Sadrian if (r1 == 0xffffffff || (r1 & 0xfffffff0) == 0xa5a5a5a0) 2349280065Sadrian goto end; /* Hardware gone! */ 2350173362Sbenjsc 2351278366Sadrian r2 = WPI_READ(sc, WPI_FH_INT); 2352173362Sbenjsc 2353278366Sadrian DPRINTF(sc, WPI_DEBUG_INTR, "%s: reg1=0x%08x reg2=0x%08x\n", __func__, 2354278366Sadrian r1, r2); 2355278366Sadrian 2356278366Sadrian if (r1 == 0 && r2 == 0) 2357278366Sadrian goto done; /* Interrupt not for us. */ 2358278366Sadrian 2359278366Sadrian /* Acknowledge interrupts. */ 2360278366Sadrian WPI_WRITE(sc, WPI_INT, r1); 2361278366Sadrian WPI_WRITE(sc, WPI_FH_INT, r2); 2362278366Sadrian 2363278366Sadrian if (r1 & (WPI_INT_SW_ERR | WPI_INT_HW_ERR)) { 2364191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 2365191746Sthompsa 2366173362Sbenjsc device_printf(sc->sc_dev, "fatal firmware error\n"); 2367280093Sadrian#ifdef WPI_DEBUG 2368280093Sadrian wpi_debug_registers(sc); 2369280093Sadrian#endif 2370278366Sadrian wpi_fatal_intr(sc); 2371278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 2372278366Sadrian "(%s)\n", (r1 & WPI_INT_SW_ERR) ? "(Software Error)" : 2373278366Sadrian "(Hardware Error)"); 2374278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2375280065Sadrian goto end; 2376173362Sbenjsc } 2377173362Sbenjsc 2378278366Sadrian if ((r1 & (WPI_INT_FH_RX | WPI_INT_SW_RX)) || 2379278366Sadrian (r2 & WPI_FH_INT_RX)) 2380173362Sbenjsc wpi_notif_intr(sc); 2381173362Sbenjsc 2382278366Sadrian if (r1 & WPI_INT_ALIVE) 2383278366Sadrian wakeup(sc); /* Firmware is alive. */ 2384173362Sbenjsc 2385278366Sadrian if (r1 & WPI_INT_WAKEUP) 2386278366Sadrian wpi_wakeup_intr(sc); 2387173362Sbenjsc 2388278366Sadriandone: 2389278366Sadrian /* Re-enable interrupts. */ 2390278366Sadrian if (ifp->if_flags & IFF_UP) 2391278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 2392278366Sadrian 2393280065Sadrianend: WPI_UNLOCK(sc); 2394173362Sbenjsc} 2395173362Sbenjsc 2396278366Sadrianstatic int 2397278366Sadrianwpi_cmd2(struct wpi_softc *sc, struct wpi_buf *buf) 2398173362Sbenjsc{ 2399278366Sadrian struct ieee80211_frame *wh; 2400278366Sadrian struct wpi_tx_cmd *cmd; 2401278366Sadrian struct wpi_tx_data *data; 2402278366Sadrian struct wpi_tx_desc *desc; 2403278366Sadrian struct wpi_tx_ring *ring; 2404278366Sadrian struct mbuf *m1; 2405278366Sadrian bus_dma_segment_t *seg, segs[WPI_MAX_SCATTER]; 2406279763Sadrian int error, i, hdrlen, nsegs, totlen, pad; 2407173362Sbenjsc 2408280071Sadrian WPI_TXQ_LOCK(sc); 2409280071Sadrian 2410280082Sadrian KASSERT(buf->size <= sizeof(buf->data), ("buffer overflow")); 2411280082Sadrian 2412278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2413278366Sadrian 2414280071Sadrian if (sc->txq_active == 0) { 2415280071Sadrian /* wpi_stop() was called */ 2416280071Sadrian error = ENETDOWN; 2417280071Sadrian goto fail; 2418280071Sadrian } 2419280071Sadrian 2420278366Sadrian wh = mtod(buf->m, struct ieee80211_frame *); 2421279763Sadrian hdrlen = ieee80211_anyhdrsize(wh); 2422278366Sadrian totlen = buf->m->m_pkthdr.len; 2423278366Sadrian 2424279763Sadrian if (hdrlen & 3) { 2425279763Sadrian /* First segment length must be a multiple of 4. */ 2426279763Sadrian pad = 4 - (hdrlen & 3); 2427279763Sadrian } else 2428279763Sadrian pad = 0; 2429279763Sadrian 2430278366Sadrian ring = &sc->txq[buf->ac]; 2431278366Sadrian desc = &ring->desc[ring->cur]; 2432278366Sadrian data = &ring->data[ring->cur]; 2433278366Sadrian 2434278366Sadrian /* Prepare TX firmware command. */ 2435278366Sadrian cmd = &ring->cmd[ring->cur]; 2436278366Sadrian cmd->code = buf->code; 2437278366Sadrian cmd->flags = 0; 2438278366Sadrian cmd->qid = ring->qid; 2439278366Sadrian cmd->idx = ring->cur; 2440278366Sadrian 2441278366Sadrian memcpy(cmd->data, buf->data, buf->size); 2442278366Sadrian 2443278366Sadrian /* Save and trim IEEE802.11 header. */ 2444279763Sadrian memcpy((uint8_t *)(cmd->data + buf->size), wh, hdrlen); 2445279763Sadrian m_adj(buf->m, hdrlen); 2446278366Sadrian 2447278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, buf->m, 2448278366Sadrian segs, &nsegs, BUS_DMA_NOWAIT); 2449278366Sadrian if (error != 0 && error != EFBIG) { 2450278366Sadrian device_printf(sc->sc_dev, 2451278366Sadrian "%s: can't map mbuf (error %d)\n", __func__, error); 2452280071Sadrian goto fail; 2453173362Sbenjsc } 2454278366Sadrian if (error != 0) { 2455278366Sadrian /* Too many DMA segments, linearize mbuf. */ 2456280050Sadrian m1 = m_collapse(buf->m, M_NOWAIT, WPI_MAX_SCATTER - 1); 2457278366Sadrian if (m1 == NULL) { 2458278366Sadrian device_printf(sc->sc_dev, 2459278366Sadrian "%s: could not defrag mbuf\n", __func__); 2460280071Sadrian error = ENOBUFS; 2461280071Sadrian goto fail; 2462278366Sadrian } 2463278366Sadrian buf->m = m1; 2464278366Sadrian 2465278366Sadrian error = bus_dmamap_load_mbuf_sg(ring->data_dmat, data->map, 2466278366Sadrian buf->m, segs, &nsegs, BUS_DMA_NOWAIT); 2467278366Sadrian if (error != 0) { 2468278366Sadrian device_printf(sc->sc_dev, 2469280066Sadrian "%s: can't map mbuf (error %d)\n", __func__, 2470280066Sadrian error); 2471280071Sadrian goto fail; 2472278366Sadrian } 2473278366Sadrian } 2474278366Sadrian 2475280050Sadrian KASSERT(nsegs < WPI_MAX_SCATTER, 2476280050Sadrian ("too many DMA segments, nsegs (%d) should be less than %d", 2477280050Sadrian nsegs, WPI_MAX_SCATTER)); 2478280050Sadrian 2479278366Sadrian data->m = buf->m; 2480278366Sadrian data->ni = buf->ni; 2481278366Sadrian 2482278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: qid %d idx %d len %d nsegs %d\n", 2483278366Sadrian __func__, ring->qid, ring->cur, totlen, nsegs); 2484278366Sadrian 2485278366Sadrian /* Fill TX descriptor. */ 2486279763Sadrian desc->nsegs = WPI_PAD32(totlen + pad) << 4 | (1 + nsegs); 2487278366Sadrian /* First DMA segment is used by the TX command. */ 2488278366Sadrian desc->segs[0].addr = htole32(data->cmd_paddr); 2489279763Sadrian desc->segs[0].len = htole32(4 + buf->size + hdrlen + pad); 2490278366Sadrian /* Other DMA segments are for data payload. */ 2491278366Sadrian seg = &segs[0]; 2492278366Sadrian for (i = 1; i <= nsegs; i++) { 2493278366Sadrian desc->segs[i].addr = htole32(seg->ds_addr); 2494278366Sadrian desc->segs[i].len = htole32(seg->ds_len); 2495278366Sadrian seg++; 2496278366Sadrian } 2497278366Sadrian 2498278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); 2499278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 2500278366Sadrian BUS_DMASYNC_PREWRITE); 2501278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 2502278366Sadrian BUS_DMASYNC_PREWRITE); 2503278366Sadrian 2504278366Sadrian /* Kick TX ring. */ 2505278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 2506278366Sadrian wpi_update_tx_ring(sc, ring); 2507278366Sadrian 2508280075Sadrian if (ring->qid < WPI_CMD_QUEUE_NUM) { 2509280075Sadrian /* Mark TX ring as full if we reach a certain threshold. */ 2510280075Sadrian if (++ring->queued > WPI_TX_RING_HIMARK) 2511280075Sadrian sc->qfullmsk |= 1 << ring->qid; 2512278366Sadrian 2513280074Sadrian sc->sc_tx_timer = 5; 2514280075Sadrian } 2515280074Sadrian 2516278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2517278366Sadrian 2518280071Sadrian WPI_TXQ_UNLOCK(sc); 2519280071Sadrian 2520278366Sadrian return 0; 2521280071Sadrian 2522280071Sadrianfail: m_freem(buf->m); 2523280071Sadrian 2524280071Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2525280071Sadrian 2526280071Sadrian WPI_TXQ_UNLOCK(sc); 2527280071Sadrian 2528280071Sadrian return error; 2529173362Sbenjsc} 2530173362Sbenjsc 2531173362Sbenjsc/* 2532278366Sadrian * Construct the data packet for a transmit buffer. 2533173362Sbenjsc */ 2534173362Sbenjscstatic int 2535278366Sadrianwpi_tx_data(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2536173362Sbenjsc{ 2537278366Sadrian const struct ieee80211_txparam *tp; 2538178354Ssam struct ieee80211vap *vap = ni->ni_vap; 2539278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2540280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 2541278366Sadrian struct ieee80211_channel *chan; 2542173362Sbenjsc struct ieee80211_frame *wh; 2543278366Sadrian struct ieee80211_key *k = NULL; 2544278366Sadrian struct wpi_buf tx_data; 2545280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2546278366Sadrian uint32_t flags; 2547278366Sadrian uint16_t qos; 2548278366Sadrian uint8_t tid, type; 2549280068Sadrian int ac, error, swcrypt, rate, ismcast, totlen; 2550173362Sbenjsc 2551278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2552278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2553278366Sadrian ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 2554173362Sbenjsc 2555278366Sadrian /* Select EDCA Access Category and TX ring for this frame. */ 2556278366Sadrian if (IEEE80211_QOS_HAS_SEQ(wh)) { 2557278366Sadrian qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 2558278366Sadrian tid = qos & IEEE80211_QOS_TID; 2559278366Sadrian } else { 2560278366Sadrian qos = 0; 2561278366Sadrian tid = 0; 2562280059Sadrian } 2563278366Sadrian ac = M_WME_GETAC(m); 2564173362Sbenjsc 2565278366Sadrian chan = (ni->ni_chan != IEEE80211_CHAN_ANYC) ? 2566278366Sadrian ni->ni_chan : ic->ic_curchan; 2567278366Sadrian tp = &vap->iv_txparms[ieee80211_chan2mode(chan)]; 2568173362Sbenjsc 2569278366Sadrian /* Choose a TX rate index. */ 2570278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) 2571278366Sadrian rate = tp->mgmtrate; 2572278366Sadrian else if (ismcast) 2573278366Sadrian rate = tp->mcastrate; 2574278366Sadrian else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2575278366Sadrian rate = tp->ucastrate; 2576278366Sadrian else if (m->m_flags & M_EAPOL) 2577278366Sadrian rate = tp->mgmtrate; 2578278366Sadrian else { 2579278366Sadrian /* XXX pass pktlen */ 2580278366Sadrian (void) ieee80211_ratectl_rate(ni, NULL, 0); 2581278366Sadrian rate = ni->ni_txrate; 2582278366Sadrian } 2583278366Sadrian 2584278366Sadrian /* Encrypt the frame if need be. */ 2585260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2586278366Sadrian /* Retrieve key for TX. */ 2587278366Sadrian k = ieee80211_crypto_encap(ni, m); 2588177043Sthompsa if (k == NULL) { 2589278366Sadrian error = ENOBUFS; 2590278366Sadrian goto fail; 2591173362Sbenjsc } 2592280068Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2593280068Sadrian 2594278366Sadrian /* 802.11 header may have moved. */ 2595278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2596173362Sbenjsc } 2597279763Sadrian totlen = m->m_pkthdr.len; 2598173362Sbenjsc 2599278366Sadrian if (ieee80211_radiotap_active_vap(vap)) { 2600278366Sadrian struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2601173362Sbenjsc 2602279763Sadrian tap->wt_flags = 0; 2603278366Sadrian tap->wt_rate = rate; 2604278366Sadrian if (k != NULL) 2605278366Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2606173362Sbenjsc 2607278366Sadrian ieee80211_radiotap_tx(vap, m); 2608278366Sadrian } 2609278366Sadrian 2610278366Sadrian flags = 0; 2611177119Ssam if (!ismcast) { 2612278366Sadrian /* Unicast frame, check if an ACK is expected. */ 2613278366Sadrian if (!qos || (qos & IEEE80211_QOS_ACKPOLICY) != 2614278366Sadrian IEEE80211_QOS_ACKPOLICY_NOACK) 2615278366Sadrian flags |= WPI_TX_NEED_ACK; 2616278366Sadrian } 2617278366Sadrian 2618278764Sadrian if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) 2619278764Sadrian flags |= WPI_TX_MORE_FRAG; /* Cannot happen yet. */ 2620278764Sadrian 2621278366Sadrian /* Check if frame must be protected using RTS/CTS or CTS-to-self. */ 2622278366Sadrian if (!ismcast) { 2623278366Sadrian /* NB: Group frames are sent using CCK in 802.11b/g. */ 2624278366Sadrian if (totlen + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) { 2625278366Sadrian flags |= WPI_TX_NEED_RTS; 2626278366Sadrian } else if ((ic->ic_flags & IEEE80211_F_USEPROT) && 2627278366Sadrian WPI_RATE_IS_OFDM(rate)) { 2628278366Sadrian if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2629278366Sadrian flags |= WPI_TX_NEED_CTS; 2630278366Sadrian else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2631278366Sadrian flags |= WPI_TX_NEED_RTS; 2632177043Sthompsa } 2633278366Sadrian 2634278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2635278366Sadrian flags |= WPI_TX_FULL_TXOP; 2636173362Sbenjsc } 2637278366Sadrian 2638280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2639278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2640173362Sbenjsc uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2641278366Sadrian 2642278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2643173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2644278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2645173362Sbenjsc if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2646177043Sthompsa subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2647280082Sadrian tx->timeout = htole16(3); 2648173362Sbenjsc else 2649280082Sadrian tx->timeout = htole16(2); 2650177043Sthompsa } 2651173362Sbenjsc 2652278366Sadrian if (ismcast || type != IEEE80211_FC0_TYPE_DATA) 2653280082Sadrian tx->id = WPI_ID_BROADCAST; 2654278366Sadrian else { 2655278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 2656278366Sadrian device_printf(sc->sc_dev, 2657278366Sadrian "%s: undefined node id\n", __func__); 2658278366Sadrian error = EINVAL; 2659278366Sadrian goto fail; 2660278366Sadrian } 2661278366Sadrian 2662280082Sadrian tx->id = wn->id; 2663278366Sadrian } 2664278366Sadrian 2665278366Sadrian if (type != IEEE80211_FC0_TYPE_MGT) 2666280082Sadrian tx->data_ntries = tp->maxretry; 2667278366Sadrian 2668280068Sadrian if (k != NULL && !swcrypt) { 2669280068Sadrian switch (k->wk_cipher->ic_cipher) { 2670280068Sadrian case IEEE80211_CIPHER_AES_CCM: 2671280082Sadrian tx->security = WPI_CIPHER_CCMP; 2672280068Sadrian break; 2673280068Sadrian 2674280068Sadrian default: 2675280068Sadrian break; 2676280068Sadrian } 2677280068Sadrian 2678280082Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 2679280068Sadrian } 2680280068Sadrian 2681280082Sadrian tx->len = htole16(totlen); 2682280082Sadrian tx->flags = htole32(flags); 2683280082Sadrian tx->plcp = rate2plcp(rate); 2684280082Sadrian tx->tid = tid; 2685280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 2686280082Sadrian tx->ofdm_mask = 0xff; 2687280082Sadrian tx->cck_mask = 0x0f; 2688280082Sadrian tx->rts_ntries = 7; 2689278366Sadrian 2690278366Sadrian tx_data.ni = ni; 2691278366Sadrian tx_data.m = m; 2692280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 2693278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2694278366Sadrian tx_data.ac = ac; 2695278366Sadrian 2696278366Sadrian return wpi_cmd2(sc, &tx_data); 2697278366Sadrian 2698278366Sadrianfail: m_freem(m); 2699278366Sadrian return error; 2700278366Sadrian} 2701278366Sadrian 2702278366Sadrianstatic int 2703280066Sadrianwpi_tx_data_raw(struct wpi_softc *sc, struct mbuf *m, 2704280066Sadrian struct ieee80211_node *ni, const struct ieee80211_bpf_params *params) 2705278366Sadrian{ 2706278366Sadrian struct ieee80211vap *vap = ni->ni_vap; 2707280087Sadrian struct ieee80211_key *k = NULL; 2708278366Sadrian struct ieee80211_frame *wh; 2709278366Sadrian struct wpi_buf tx_data; 2710280082Sadrian struct wpi_cmd_data *tx = (struct wpi_cmd_data *)&tx_data.data; 2711278366Sadrian uint32_t flags; 2712278366Sadrian uint8_t type; 2713280087Sadrian int ac, rate, swcrypt, totlen; 2714278366Sadrian 2715278366Sadrian wh = mtod(m, struct ieee80211_frame *); 2716278366Sadrian type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2717278366Sadrian 2718278366Sadrian ac = params->ibp_pri & 3; 2719278366Sadrian 2720278366Sadrian /* Choose a TX rate index. */ 2721278366Sadrian rate = params->ibp_rate0; 2722278366Sadrian 2723278366Sadrian flags = 0; 2724278366Sadrian if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 2725278366Sadrian flags |= WPI_TX_NEED_ACK; 2726278366Sadrian if (params->ibp_flags & IEEE80211_BPF_RTS) 2727278366Sadrian flags |= WPI_TX_NEED_RTS; 2728278366Sadrian if (params->ibp_flags & IEEE80211_BPF_CTS) 2729278366Sadrian flags |= WPI_TX_NEED_CTS; 2730278366Sadrian if (flags & (WPI_TX_NEED_RTS | WPI_TX_NEED_CTS)) 2731278366Sadrian flags |= WPI_TX_FULL_TXOP; 2732278366Sadrian 2733280087Sadrian /* Encrypt the frame if need be. */ 2734280087Sadrian if (params->ibp_flags & IEEE80211_BPF_CRYPTO) { 2735280087Sadrian /* Retrieve key for TX. */ 2736280087Sadrian k = ieee80211_crypto_encap(ni, m); 2737280087Sadrian if (k == NULL) { 2738280087Sadrian m_freem(m); 2739280087Sadrian return ENOBUFS; 2740280087Sadrian } 2741280087Sadrian swcrypt = k->wk_flags & IEEE80211_KEY_SWCRYPT; 2742280087Sadrian 2743280087Sadrian /* 802.11 header may have moved. */ 2744280087Sadrian wh = mtod(m, struct ieee80211_frame *); 2745280087Sadrian } 2746280087Sadrian totlen = m->m_pkthdr.len; 2747280087Sadrian 2748192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2749177043Sthompsa struct wpi_tx_radiotap_header *tap = &sc->sc_txtap; 2750278366Sadrian 2751177043Sthompsa tap->wt_flags = 0; 2752177043Sthompsa tap->wt_rate = rate; 2753280087Sadrian if (params->ibp_flags & IEEE80211_BPF_CRYPTO) 2754280087Sadrian tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2755178354Ssam 2756278366Sadrian ieee80211_radiotap_tx(vap, m); 2757177043Sthompsa } 2758173362Sbenjsc 2759280082Sadrian memset(tx, 0, sizeof (struct wpi_cmd_data)); 2760278366Sadrian if (type == IEEE80211_FC0_TYPE_MGT) { 2761278366Sadrian uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2762173362Sbenjsc 2763278366Sadrian /* Tell HW to set timestamp in probe responses. */ 2764278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2765278366Sadrian flags |= WPI_TX_INSERT_TSTAMP; 2766278366Sadrian if (subtype == IEEE80211_FC0_SUBTYPE_ASSOC_REQ || 2767278366Sadrian subtype == IEEE80211_FC0_SUBTYPE_REASSOC_REQ) 2768280082Sadrian tx->timeout = htole16(3); 2769278366Sadrian else 2770280082Sadrian tx->timeout = htole16(2); 2771173362Sbenjsc } 2772173362Sbenjsc 2773280087Sadrian if (k != NULL && !swcrypt) { 2774280087Sadrian switch (k->wk_cipher->ic_cipher) { 2775280087Sadrian case IEEE80211_CIPHER_AES_CCM: 2776280087Sadrian tx->security = WPI_CIPHER_CCMP; 2777280087Sadrian break; 2778280087Sadrian 2779280087Sadrian default: 2780280087Sadrian break; 2781280087Sadrian } 2782280087Sadrian 2783280087Sadrian memcpy(tx->key, k->wk_key, k->wk_keylen); 2784280087Sadrian } 2785280087Sadrian 2786280082Sadrian tx->len = htole16(totlen); 2787280082Sadrian tx->flags = htole32(flags); 2788280082Sadrian tx->plcp = rate2plcp(rate); 2789280082Sadrian tx->id = WPI_ID_BROADCAST; 2790280082Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 2791280082Sadrian tx->rts_ntries = params->ibp_try1; 2792280082Sadrian tx->data_ntries = params->ibp_try0; 2793278366Sadrian 2794278366Sadrian tx_data.ni = ni; 2795278366Sadrian tx_data.m = m; 2796280082Sadrian tx_data.size = sizeof(struct wpi_cmd_data); 2797278366Sadrian tx_data.code = WPI_CMD_TX_DATA; 2798278366Sadrian tx_data.ac = ac; 2799278366Sadrian 2800278366Sadrian return wpi_cmd2(sc, &tx_data); 2801278366Sadrian} 2802278366Sadrian 2803278366Sadrianstatic int 2804278366Sadrianwpi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2805278366Sadrian const struct ieee80211_bpf_params *params) 2806278366Sadrian{ 2807278366Sadrian struct ieee80211com *ic = ni->ni_ic; 2808278366Sadrian struct ifnet *ifp = ic->ic_ifp; 2809278366Sadrian struct wpi_softc *sc = ifp->if_softc; 2810278366Sadrian int error = 0; 2811278366Sadrian 2812278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 2813278366Sadrian 2814278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2815278366Sadrian ieee80211_free_node(ni); 2816278366Sadrian m_freem(m); 2817278366Sadrian return ENETDOWN; 2818173362Sbenjsc } 2819173362Sbenjsc 2820278366Sadrian WPI_LOCK(sc); 2821278366Sadrian if (params == NULL) { 2822278366Sadrian /* 2823278366Sadrian * Legacy path; interpret frame contents to decide 2824278366Sadrian * precisely how to send the frame. 2825278366Sadrian */ 2826278366Sadrian error = wpi_tx_data(sc, m, ni); 2827278366Sadrian } else { 2828278366Sadrian /* 2829278366Sadrian * Caller supplied explicit parameters to use in 2830278366Sadrian * sending the frame. 2831278366Sadrian */ 2832278366Sadrian error = wpi_tx_data_raw(sc, m, ni, params); 2833278366Sadrian } 2834278366Sadrian WPI_UNLOCK(sc); 2835173362Sbenjsc 2836278366Sadrian if (error != 0) { 2837278366Sadrian /* NB: m is reclaimed on tx failure */ 2838278366Sadrian ieee80211_free_node(ni); 2839278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2840173362Sbenjsc 2841278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 2842278366Sadrian 2843278366Sadrian return error; 2844173362Sbenjsc } 2845173362Sbenjsc 2846278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 2847173362Sbenjsc 2848173362Sbenjsc return 0; 2849173362Sbenjsc} 2850173362Sbenjsc 2851173362Sbenjsc/** 2852173362Sbenjsc * Process data waiting to be sent on the IFNET output queue 2853173362Sbenjsc */ 2854173362Sbenjscstatic void 2855173362Sbenjscwpi_start(struct ifnet *ifp) 2856173362Sbenjsc{ 2857173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2858178354Ssam 2859178354Ssam WPI_LOCK(sc); 2860178354Ssam wpi_start_locked(ifp); 2861178354Ssam WPI_UNLOCK(sc); 2862178354Ssam} 2863178354Ssam 2864178354Ssamstatic void 2865178354Ssamwpi_start_locked(struct ifnet *ifp) 2866178354Ssam{ 2867178354Ssam struct wpi_softc *sc = ifp->if_softc; 2868173362Sbenjsc struct ieee80211_node *ni; 2869178354Ssam struct mbuf *m; 2870173362Sbenjsc 2871178354Ssam WPI_LOCK_ASSERT(sc); 2872178354Ssam 2873278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: called\n", __func__); 2874278366Sadrian 2875278366Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 || 2876278366Sadrian (ifp->if_drv_flags & IFF_DRV_OACTIVE)) 2877177043Sthompsa return; 2878173362Sbenjsc 2879173362Sbenjsc for (;;) { 2880278366Sadrian if (sc->qfullmsk != 0) { 2881278366Sadrian ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2882278366Sadrian break; 2883278366Sadrian } 2884190458Sjmallett IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2885178354Ssam if (m == NULL) 2886178354Ssam break; 2887278366Sadrian ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2888278366Sadrian if (wpi_tx_data(sc, m, ni) != 0) { 2889278366Sadrian WPI_UNLOCK(sc); 2890178354Ssam ieee80211_free_node(ni); 2891278366Sadrian WPI_LOCK(sc); 2892271849Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2893280074Sadrian } 2894178354Ssam } 2895278366Sadrian 2896278366Sadrian DPRINTF(sc, WPI_DEBUG_XMIT, "%s: done\n", __func__); 2897178354Ssam} 2898173362Sbenjsc 2899278366Sadrianstatic void 2900280078Sadrianwpi_start_task(void *arg0, int pending) 2901280078Sadrian{ 2902280078Sadrian struct wpi_softc *sc = arg0; 2903280078Sadrian struct ifnet *ifp = sc->sc_ifp; 2904280078Sadrian 2905280078Sadrian wpi_start(ifp); 2906280078Sadrian} 2907280078Sadrian 2908280078Sadrianstatic void 2909278366Sadrianwpi_watchdog_rfkill(void *arg) 2910178354Ssam{ 2911278366Sadrian struct wpi_softc *sc = arg; 2912278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2913278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2914173362Sbenjsc 2915278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "RFkill Watchdog: tick\n"); 2916278366Sadrian 2917278366Sadrian /* No need to lock firmware memory. */ 2918278366Sadrian if ((wpi_prph_read(sc, WPI_APMG_RFKILL) & 0x1) == 0) { 2919278366Sadrian /* Radio kill switch is still off. */ 2920278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 2921278366Sadrian sc); 2922278366Sadrian } else 2923278366Sadrian ieee80211_runtask(ic, &sc->sc_radioon_task); 2924278366Sadrian} 2925278366Sadrian 2926278366Sadrian/** 2927278366Sadrian * Called every second, wpi_watchdog used by the watch dog timer 2928278366Sadrian * to check that the card is still alive 2929278366Sadrian */ 2930278366Sadrianstatic void 2931278366Sadrianwpi_watchdog(void *arg) 2932278366Sadrian{ 2933278366Sadrian struct wpi_softc *sc = arg; 2934278366Sadrian struct ifnet *ifp = sc->sc_ifp; 2935278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 2936278366Sadrian 2937278366Sadrian DPRINTF(sc, WPI_DEBUG_WATCHDOG, "Watchdog: tick\n"); 2938278366Sadrian 2939278366Sadrian if (sc->sc_tx_timer > 0) { 2940278366Sadrian if (--sc->sc_tx_timer == 0) { 2941278366Sadrian if_printf(ifp, "device timeout\n"); 2942278366Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2943278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2944278366Sadrian } 2945178354Ssam } 2946173362Sbenjsc 2947278366Sadrian if (sc->sc_scan_timer > 0) { 2948278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2949278366Sadrian if (--sc->sc_scan_timer == 0 && vap != NULL) { 2950278366Sadrian if_printf(ifp, "scan timeout\n"); 2951278366Sadrian ieee80211_cancel_scan(vap); 2952278366Sadrian ieee80211_runtask(ic, &sc->sc_reinittask); 2953278366Sadrian } 2954178354Ssam } 2955173362Sbenjsc 2956278366Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2957278366Sadrian callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 2958173362Sbenjsc} 2959173362Sbenjsc 2960173362Sbenjscstatic int 2961173362Sbenjscwpi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 2962173362Sbenjsc{ 2963173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 2964178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2965278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2966178354Ssam struct ifreq *ifr = (struct ifreq *) data; 2967280095Sadrian int error = 0; 2968173362Sbenjsc 2969173362Sbenjsc switch (cmd) { 2970278366Sadrian case SIOCGIFADDR: 2971278366Sadrian error = ether_ioctl(ifp, cmd, data); 2972278366Sadrian break; 2973173362Sbenjsc case SIOCSIFFLAGS: 2974278366Sadrian if (ifp->if_flags & IFF_UP) { 2975280095Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2976280095Sadrian wpi_init(sc); 2977280095Sadrian 2978280095Sadrian if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 && 2979280095Sadrian vap != NULL) 2980280095Sadrian ieee80211_stop(vap); 2981178354Ssam } 2982280095Sadrian } else if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) 2983280095Sadrian wpi_stop(sc); 2984173362Sbenjsc break; 2985178354Ssam case SIOCGIFMEDIA: 2986178354Ssam error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2987178354Ssam break; 2988178704Sthompsa default: 2989178704Sthompsa error = EINVAL; 2990178704Sthompsa break; 2991173362Sbenjsc } 2992173362Sbenjsc return error; 2993173362Sbenjsc} 2994173362Sbenjsc 2995173362Sbenjsc/* 2996173362Sbenjsc * Send a command to the firmware. 2997173362Sbenjsc */ 2998173362Sbenjscstatic int 2999278366Sadrianwpi_cmd(struct wpi_softc *sc, int code, const void *buf, size_t size, 3000278366Sadrian int async) 3001173362Sbenjsc{ 3002280064Sadrian struct wpi_tx_ring *ring = &sc->txq[WPI_CMD_QUEUE_NUM]; 3003173362Sbenjsc struct wpi_tx_desc *desc; 3004278366Sadrian struct wpi_tx_data *data; 3005173362Sbenjsc struct wpi_tx_cmd *cmd; 3006278366Sadrian struct mbuf *m; 3007278366Sadrian bus_addr_t paddr; 3008278366Sadrian int totlen, error; 3009173362Sbenjsc 3010280071Sadrian WPI_TXQ_LOCK(sc); 3011280071Sadrian 3012278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3013278366Sadrian 3014280071Sadrian if (sc->txq_active == 0) { 3015280071Sadrian /* wpi_stop() was called */ 3016280071Sadrian error = 0; 3017280071Sadrian goto fail; 3018280071Sadrian } 3019280071Sadrian 3020278366Sadrian if (async == 0) 3021173362Sbenjsc WPI_LOCK_ASSERT(sc); 3022173362Sbenjsc 3023278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "wpi_cmd %s size %zu async %d\n", 3024278366Sadrian wpi_cmd_str(code), size, async); 3025173362Sbenjsc 3026173362Sbenjsc desc = &ring->desc[ring->cur]; 3027278366Sadrian data = &ring->data[ring->cur]; 3028278366Sadrian totlen = 4 + size; 3029173362Sbenjsc 3030278366Sadrian if (size > sizeof cmd->data) { 3031278366Sadrian /* Command is too large to fit in a descriptor. */ 3032280071Sadrian if (totlen > MCLBYTES) { 3033280071Sadrian error = EINVAL; 3034280071Sadrian goto fail; 3035280071Sadrian } 3036278366Sadrian m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE); 3037280071Sadrian if (m == NULL) { 3038280071Sadrian error = ENOMEM; 3039280071Sadrian goto fail; 3040280071Sadrian } 3041278366Sadrian cmd = mtod(m, struct wpi_tx_cmd *); 3042278366Sadrian error = bus_dmamap_load(ring->data_dmat, data->map, cmd, 3043278366Sadrian totlen, wpi_dma_map_addr, &paddr, BUS_DMA_NOWAIT); 3044278366Sadrian if (error != 0) { 3045278366Sadrian m_freem(m); 3046280071Sadrian goto fail; 3047278366Sadrian } 3048278366Sadrian data->m = m; 3049278366Sadrian } else { 3050278366Sadrian cmd = &ring->cmd[ring->cur]; 3051278366Sadrian paddr = data->cmd_paddr; 3052278366Sadrian } 3053278366Sadrian 3054173362Sbenjsc cmd->code = code; 3055173362Sbenjsc cmd->flags = 0; 3056173362Sbenjsc cmd->qid = ring->qid; 3057173362Sbenjsc cmd->idx = ring->cur; 3058173362Sbenjsc memcpy(cmd->data, buf, size); 3059173362Sbenjsc 3060278366Sadrian desc->nsegs = 1 + (WPI_PAD32(size) << 4); 3061278366Sadrian desc->segs[0].addr = htole32(paddr); 3062278366Sadrian desc->segs[0].len = htole32(totlen); 3063173362Sbenjsc 3064278366Sadrian if (size > sizeof cmd->data) { 3065278366Sadrian bus_dmamap_sync(ring->data_dmat, data->map, 3066278366Sadrian BUS_DMASYNC_PREWRITE); 3067278366Sadrian } else { 3068278366Sadrian bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, 3069278366Sadrian BUS_DMASYNC_PREWRITE); 3070278366Sadrian } 3071278366Sadrian bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, 3072278366Sadrian BUS_DMASYNC_PREWRITE); 3073173362Sbenjsc 3074278366Sadrian /* Kick command ring. */ 3075278366Sadrian ring->cur = (ring->cur + 1) % WPI_TX_RING_COUNT; 3076278366Sadrian wpi_update_tx_ring(sc, ring); 3077278366Sadrian 3078278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3079278366Sadrian 3080280071Sadrian WPI_TXQ_UNLOCK(sc); 3081280071Sadrian 3082280072Sadrian if (async) 3083173362Sbenjsc return 0; 3084173362Sbenjsc 3085280062Sadrian return mtx_sleep(cmd, &sc->sc_mtx, PCATCH, "wpicmd", hz); 3086280071Sadrian 3087280071Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3088280071Sadrian 3089280071Sadrian WPI_TXQ_UNLOCK(sc); 3090280071Sadrian 3091280071Sadrian return error; 3092173362Sbenjsc} 3093173362Sbenjsc 3094173362Sbenjsc/* 3095278366Sadrian * Configure HW multi-rate retries. 3096173362Sbenjsc */ 3097173362Sbenjscstatic int 3098173362Sbenjscwpi_mrr_setup(struct wpi_softc *sc) 3099173362Sbenjsc{ 3100178354Ssam struct ifnet *ifp = sc->sc_ifp; 3101178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3102173362Sbenjsc struct wpi_mrr_setup mrr; 3103173362Sbenjsc int i, error; 3104173362Sbenjsc 3105278366Sadrian /* CCK rates (not used with 802.11a). */ 3106278366Sadrian for (i = WPI_RIDX_CCK1; i <= WPI_RIDX_CCK11; i++) { 3107173362Sbenjsc mrr.rates[i].flags = 0; 3108278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3109278366Sadrian /* Fallback to the immediate lower CCK rate (if any.) */ 3110278366Sadrian mrr.rates[i].next = 3111278366Sadrian (i == WPI_RIDX_CCK1) ? WPI_RIDX_CCK1 : i - 1; 3112278366Sadrian /* Try one time at this rate before falling back to "next". */ 3113173362Sbenjsc mrr.rates[i].ntries = 1; 3114173362Sbenjsc } 3115278366Sadrian /* OFDM rates (not used with 802.11b). */ 3116278366Sadrian for (i = WPI_RIDX_OFDM6; i <= WPI_RIDX_OFDM54; i++) { 3117173362Sbenjsc mrr.rates[i].flags = 0; 3118278366Sadrian mrr.rates[i].plcp = wpi_ridx_to_plcp[i]; 3119278366Sadrian /* Fallback to the immediate lower rate (if any.) */ 3120278366Sadrian /* We allow fallback from OFDM/6 to CCK/2 in 11b/g mode. */ 3121278366Sadrian mrr.rates[i].next = (i == WPI_RIDX_OFDM6) ? 3122173362Sbenjsc ((ic->ic_curmode == IEEE80211_MODE_11A) ? 3123278366Sadrian WPI_RIDX_OFDM6 : WPI_RIDX_CCK2) : 3124173362Sbenjsc i - 1; 3125278366Sadrian /* Try one time at this rate before falling back to "next". */ 3126173362Sbenjsc mrr.rates[i].ntries = 1; 3127173362Sbenjsc } 3128278366Sadrian /* Setup MRR for control frames. */ 3129278366Sadrian mrr.which = htole32(WPI_MRR_CTL); 3130173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3131173362Sbenjsc if (error != 0) { 3132173362Sbenjsc device_printf(sc->sc_dev, 3133173362Sbenjsc "could not setup MRR for control frames\n"); 3134173362Sbenjsc return error; 3135173362Sbenjsc } 3136278366Sadrian /* Setup MRR for data frames. */ 3137278366Sadrian mrr.which = htole32(WPI_MRR_DATA); 3138173362Sbenjsc error = wpi_cmd(sc, WPI_CMD_MRR_SETUP, &mrr, sizeof mrr, 0); 3139173362Sbenjsc if (error != 0) { 3140173362Sbenjsc device_printf(sc->sc_dev, 3141173362Sbenjsc "could not setup MRR for data frames\n"); 3142173362Sbenjsc return error; 3143173362Sbenjsc } 3144173362Sbenjsc return 0; 3145173362Sbenjsc} 3146173362Sbenjsc 3147278366Sadrianstatic int 3148278366Sadrianwpi_add_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3149278366Sadrian{ 3150278366Sadrian struct ieee80211com *ic = ni->ni_ic; 3151280088Sadrian struct wpi_vap *wvp = WPI_VAP(ni->ni_vap); 3152280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3153278366Sadrian struct wpi_node_info node; 3154280088Sadrian int error; 3155278366Sadrian 3156278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3157278366Sadrian 3158278366Sadrian if (wn->id == WPI_ID_UNDEFINED) 3159278366Sadrian return EINVAL; 3160278366Sadrian 3161278366Sadrian memset(&node, 0, sizeof node); 3162279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3163278366Sadrian node.id = wn->id; 3164278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3165278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3166278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3167278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3168278366Sadrian 3169280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: adding node %d (%s)\n", __func__, 3170280094Sadrian wn->id, ether_sprintf(ni->ni_macaddr)); 3171280094Sadrian 3172280088Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 3173280088Sadrian if (error != 0) { 3174280088Sadrian device_printf(sc->sc_dev, 3175280088Sadrian "%s: wpi_cmd() call failed with error code %d\n", __func__, 3176280088Sadrian error); 3177280088Sadrian return error; 3178280088Sadrian } 3179280088Sadrian 3180280088Sadrian if (wvp->wv_gtk != 0) { 3181280088Sadrian error = wpi_set_global_keys(ni); 3182280088Sadrian if (error != 0) { 3183280088Sadrian device_printf(sc->sc_dev, 3184280088Sadrian "%s: error while setting global keys\n", __func__); 3185280088Sadrian return ENXIO; 3186280088Sadrian } 3187280088Sadrian } 3188280088Sadrian 3189280088Sadrian return 0; 3190278366Sadrian} 3191278366Sadrian 3192278366Sadrian/* 3193278366Sadrian * Broadcast node is used to send group-addressed and management frames. 3194278366Sadrian */ 3195278366Sadrianstatic int 3196278366Sadrianwpi_add_broadcast_node(struct wpi_softc *sc, int async) 3197278366Sadrian{ 3198278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3199278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3200278366Sadrian struct wpi_node_info node; 3201278366Sadrian 3202278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3203278366Sadrian 3204278366Sadrian memset(&node, 0, sizeof node); 3205278366Sadrian IEEE80211_ADDR_COPY(node.macaddr, ifp->if_broadcastaddr); 3206278366Sadrian node.id = WPI_ID_BROADCAST; 3207278366Sadrian node.plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3208278366Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3209278366Sadrian node.action = htole32(WPI_ACTION_SET_RATE); 3210278366Sadrian node.antenna = WPI_ANTENNA_BOTH; 3211278366Sadrian 3212280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: adding broadcast node\n", __func__); 3213280094Sadrian 3214278366Sadrian return wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, async); 3215278366Sadrian} 3216278366Sadrian 3217278366Sadrianstatic int 3218280070Sadrianwpi_add_sta_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3219280070Sadrian{ 3220280070Sadrian struct wpi_node *wn = WPI_NODE(ni); 3221280070Sadrian int error; 3222280070Sadrian 3223280070Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3224280070Sadrian 3225280070Sadrian wn->id = wpi_add_node_entry_sta(sc); 3226280070Sadrian 3227280070Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3228280070Sadrian wpi_del_node_entry(sc, wn->id); 3229280070Sadrian wn->id = WPI_ID_UNDEFINED; 3230280070Sadrian return error; 3231280070Sadrian } 3232280070Sadrian 3233280070Sadrian return 0; 3234280070Sadrian} 3235280070Sadrian 3236280070Sadrianstatic int 3237278366Sadrianwpi_add_ibss_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3238278366Sadrian{ 3239280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3240280069Sadrian int error; 3241278366Sadrian 3242278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3243278366Sadrian 3244278366Sadrian if (wn->id != WPI_ID_UNDEFINED) 3245278366Sadrian return EINVAL; 3246278366Sadrian 3247280069Sadrian if ((wn->id = wpi_add_node_entry_adhoc(sc)) == WPI_ID_UNDEFINED) { 3248280069Sadrian device_printf(sc->sc_dev, "%s: h/w table is full\n", __func__); 3249280069Sadrian return ENOMEM; 3250280069Sadrian } 3251278366Sadrian 3252280069Sadrian if ((error = wpi_add_node(sc, ni)) != 0) { 3253280069Sadrian wpi_del_node_entry(sc, wn->id); 3254280069Sadrian wn->id = WPI_ID_UNDEFINED; 3255280069Sadrian return error; 3256280069Sadrian } 3257278366Sadrian 3258280069Sadrian return 0; 3259278366Sadrian} 3260278366Sadrian 3261173362Sbenjscstatic void 3262278366Sadrianwpi_del_node(struct wpi_softc *sc, struct ieee80211_node *ni) 3263278366Sadrian{ 3264280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 3265278366Sadrian struct wpi_cmd_del_node node; 3266278366Sadrian int error; 3267278366Sadrian 3268278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3269278366Sadrian 3270278366Sadrian if (wn->id == WPI_ID_UNDEFINED) { 3271278366Sadrian device_printf(sc->sc_dev, "%s: undefined node id passed\n", 3272278366Sadrian __func__); 3273278366Sadrian return; 3274278366Sadrian } 3275278366Sadrian 3276278366Sadrian memset(&node, 0, sizeof node); 3277279762Sadrian IEEE80211_ADDR_COPY(node.macaddr, ni->ni_macaddr); 3278278366Sadrian node.count = 1; 3279278366Sadrian 3280280094Sadrian DPRINTF(sc, WPI_DEBUG_NODE, "%s: deleting node %d (%s)\n", __func__, 3281280094Sadrian wn->id, ether_sprintf(ni->ni_macaddr)); 3282280094Sadrian 3283278366Sadrian error = wpi_cmd(sc, WPI_CMD_DEL_NODE, &node, sizeof node, 1); 3284278366Sadrian if (error != 0) { 3285278366Sadrian device_printf(sc->sc_dev, 3286278366Sadrian "%s: could not delete node %u, error %d\n", __func__, 3287278366Sadrian wn->id, error); 3288278366Sadrian } 3289278366Sadrian} 3290278366Sadrian 3291278366Sadrianstatic int 3292278366Sadrianwpi_updateedca(struct ieee80211com *ic) 3293278366Sadrian{ 3294278366Sadrian#define WPI_EXP2(x) ((1 << (x)) - 1) /* CWmin = 2^ECWmin - 1 */ 3295278366Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 3296278366Sadrian struct wpi_edca_params cmd; 3297278366Sadrian int aci, error; 3298278366Sadrian 3299278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3300278366Sadrian 3301278366Sadrian memset(&cmd, 0, sizeof cmd); 3302278366Sadrian cmd.flags = htole32(WPI_EDCA_UPDATE); 3303278366Sadrian for (aci = 0; aci < WME_NUM_AC; aci++) { 3304278366Sadrian const struct wmeParams *ac = 3305278366Sadrian &ic->ic_wme.wme_chanParams.cap_wmeParams[aci]; 3306278366Sadrian cmd.ac[aci].aifsn = ac->wmep_aifsn; 3307278366Sadrian cmd.ac[aci].cwmin = htole16(WPI_EXP2(ac->wmep_logcwmin)); 3308278366Sadrian cmd.ac[aci].cwmax = htole16(WPI_EXP2(ac->wmep_logcwmax)); 3309278366Sadrian cmd.ac[aci].txoplimit = 3310278366Sadrian htole16(IEEE80211_TXOP_TO_US(ac->wmep_txopLimit)); 3311278366Sadrian 3312278366Sadrian DPRINTF(sc, WPI_DEBUG_EDCA, 3313278366Sadrian "setting WME for queue %d aifsn=%d cwmin=%d cwmax=%d " 3314278366Sadrian "txoplimit=%d\n", aci, cmd.ac[aci].aifsn, 3315278366Sadrian cmd.ac[aci].cwmin, cmd.ac[aci].cwmax, 3316278366Sadrian cmd.ac[aci].txoplimit); 3317278366Sadrian } 3318278366Sadrian error = wpi_cmd(sc, WPI_CMD_EDCA_PARAMS, &cmd, sizeof cmd, 1); 3319278366Sadrian 3320278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3321278366Sadrian 3322278366Sadrian return error; 3323278366Sadrian#undef WPI_EXP2 3324278366Sadrian} 3325278366Sadrian 3326278366Sadrianstatic void 3327278366Sadrianwpi_set_promisc(struct wpi_softc *sc) 3328278366Sadrian{ 3329278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3330278366Sadrian uint32_t promisc_filter; 3331278366Sadrian 3332278366Sadrian promisc_filter = WPI_FILTER_PROMISC | WPI_FILTER_CTL; 3333278366Sadrian 3334278366Sadrian if (ifp->if_flags & IFF_PROMISC) 3335278366Sadrian sc->rxon.filter |= htole32(promisc_filter); 3336278366Sadrian else 3337278366Sadrian sc->rxon.filter &= ~htole32(promisc_filter); 3338278366Sadrian} 3339278366Sadrian 3340278366Sadrianstatic void 3341278366Sadrianwpi_update_promisc(struct ifnet *ifp) 3342278366Sadrian{ 3343278366Sadrian struct wpi_softc *sc = ifp->if_softc; 3344278366Sadrian 3345280074Sadrian WPI_LOCK(sc); 3346278366Sadrian wpi_set_promisc(sc); 3347278366Sadrian 3348278366Sadrian if (wpi_send_rxon(sc, 1, 1) != 0) { 3349278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3350278366Sadrian __func__); 3351278366Sadrian } 3352278366Sadrian WPI_UNLOCK(sc); 3353278366Sadrian} 3354278366Sadrian 3355278366Sadrianstatic void 3356278366Sadrianwpi_update_mcast(struct ifnet *ifp) 3357278366Sadrian{ 3358278366Sadrian /* Ignore */ 3359278366Sadrian} 3360278366Sadrian 3361278366Sadrianstatic void 3362173362Sbenjscwpi_set_led(struct wpi_softc *sc, uint8_t which, uint8_t off, uint8_t on) 3363173362Sbenjsc{ 3364173362Sbenjsc struct wpi_cmd_led led; 3365173362Sbenjsc 3366278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3367278366Sadrian 3368173362Sbenjsc led.which = which; 3369173362Sbenjsc led.unit = htole32(100000); /* on/off in unit of 100ms */ 3370173362Sbenjsc led.off = off; 3371173362Sbenjsc led.on = on; 3372173362Sbenjsc (void)wpi_cmd(sc, WPI_CMD_SET_LED, &led, sizeof led, 1); 3373173362Sbenjsc} 3374173362Sbenjsc 3375278366Sadrianstatic int 3376278366Sadrianwpi_set_timing(struct wpi_softc *sc, struct ieee80211_node *ni) 3377173362Sbenjsc{ 3378278366Sadrian struct wpi_cmd_timing cmd; 3379173362Sbenjsc uint64_t val, mod; 3380173362Sbenjsc 3381278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3382173362Sbenjsc 3383278366Sadrian memset(&cmd, 0, sizeof cmd); 3384278366Sadrian memcpy(&cmd.tstamp, ni->ni_tstamp.data, sizeof (uint64_t)); 3385278366Sadrian cmd.bintval = htole16(ni->ni_intval); 3386278366Sadrian cmd.lintval = htole16(10); 3387173362Sbenjsc 3388278366Sadrian /* Compute remaining time until next beacon. */ 3389278366Sadrian val = (uint64_t)ni->ni_intval * IEEE80211_DUR_TU; 3390278366Sadrian mod = le64toh(cmd.tstamp) % val; 3391278366Sadrian cmd.binitval = htole32((uint32_t)(val - mod)); 3392278366Sadrian 3393278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "timing bintval=%u tstamp=%ju, init=%u\n", 3394278366Sadrian ni->ni_intval, le64toh(cmd.tstamp), (uint32_t)(val - mod)); 3395278366Sadrian 3396278366Sadrian return wpi_cmd(sc, WPI_CMD_TIMING, &cmd, sizeof cmd, 1); 3397173362Sbenjsc} 3398173362Sbenjsc 3399173362Sbenjsc/* 3400278366Sadrian * This function is called periodically (every 60 seconds) to adjust output 3401278366Sadrian * power to temperature changes. 3402173362Sbenjsc */ 3403278366Sadrianstatic void 3404278366Sadrianwpi_power_calibration(struct wpi_softc *sc) 3405278366Sadrian{ 3406278366Sadrian int temp; 3407278366Sadrian 3408278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 3409278366Sadrian 3410278366Sadrian /* Update sensor data. */ 3411278366Sadrian temp = (int)WPI_READ(sc, WPI_UCODE_GP2); 3412278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "Temp in calibration is: %d\n", temp); 3413278366Sadrian 3414278366Sadrian /* Sanity-check read value. */ 3415278366Sadrian if (temp < -260 || temp > 25) { 3416278366Sadrian /* This can't be correct, ignore. */ 3417278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3418278366Sadrian "out-of-range temperature reported: %d\n", temp); 3419278366Sadrian return; 3420278366Sadrian } 3421278366Sadrian 3422278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d->%d\n", sc->temp, temp); 3423278366Sadrian 3424278366Sadrian /* Adjust Tx power if need be. */ 3425278366Sadrian if (abs(temp - sc->temp) <= 6) 3426278366Sadrian return; 3427278366Sadrian 3428278366Sadrian sc->temp = temp; 3429278366Sadrian 3430278366Sadrian if (wpi_set_txpower(sc, 1) != 0) { 3431278366Sadrian /* just warn, too bad for the automatic calibration... */ 3432278366Sadrian device_printf(sc->sc_dev,"could not adjust Tx power\n"); 3433278366Sadrian } 3434278366Sadrian} 3435278366Sadrian 3436278366Sadrian/* 3437278366Sadrian * Set TX power for current channel. 3438278366Sadrian */ 3439173362Sbenjscstatic int 3440278366Sadrianwpi_set_txpower(struct wpi_softc *sc, int async) 3441173362Sbenjsc{ 3442280067Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3443278366Sadrian struct ieee80211_channel *ch; 3444278366Sadrian struct wpi_power_group *group; 3445278366Sadrian struct wpi_cmd_txpower cmd; 3446278366Sadrian uint8_t chan; 3447278366Sadrian int idx, i; 3448173362Sbenjsc 3449278366Sadrian /* Retrieve current channel from last RXON. */ 3450278366Sadrian chan = sc->rxon.chan; 3451278366Sadrian ch = &ic->ic_channels[chan]; 3452173362Sbenjsc 3453278366Sadrian /* Find the TX power group to which this channel belongs. */ 3454278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3455278366Sadrian for (group = &sc->groups[1]; group < &sc->groups[4]; group++) 3456278366Sadrian if (chan <= group->chan) 3457278366Sadrian break; 3458278366Sadrian } else 3459278366Sadrian group = &sc->groups[0]; 3460278366Sadrian 3461278366Sadrian memset(&cmd, 0, sizeof cmd); 3462278366Sadrian cmd.band = IEEE80211_IS_CHAN_5GHZ(ch) ? 0 : 1; 3463278366Sadrian cmd.chan = htole16(chan); 3464278366Sadrian 3465278366Sadrian /* Set TX power for all OFDM and CCK rates. */ 3466278366Sadrian for (i = 0; i <= WPI_RIDX_MAX ; i++) { 3467278366Sadrian /* Retrieve TX power for this channel/rate. */ 3468278366Sadrian idx = wpi_get_power_index(sc, group, ch, i); 3469278366Sadrian 3470278366Sadrian cmd.rates[i].plcp = wpi_ridx_to_plcp[i]; 3471278366Sadrian 3472278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(ch)) { 3473278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_5ghz[idx]; 3474278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_5ghz[idx]; 3475278366Sadrian } else { 3476278366Sadrian cmd.rates[i].rf_gain = wpi_rf_gain_2ghz[idx]; 3477278366Sadrian cmd.rates[i].dsp_gain = wpi_dsp_gain_2ghz[idx]; 3478278366Sadrian } 3479278366Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, 3480278366Sadrian "chan %d/ridx %d: power index %d\n", chan, i, idx); 3481173362Sbenjsc } 3482173362Sbenjsc 3483278366Sadrian return wpi_cmd(sc, WPI_CMD_TXPOWER, &cmd, sizeof cmd, async); 3484278366Sadrian} 3485173362Sbenjsc 3486278366Sadrian/* 3487278366Sadrian * Determine Tx power index for a given channel/rate combination. 3488278366Sadrian * This takes into account the regulatory information from EEPROM and the 3489278366Sadrian * current temperature. 3490278366Sadrian */ 3491278366Sadrianstatic int 3492278366Sadrianwpi_get_power_index(struct wpi_softc *sc, struct wpi_power_group *group, 3493278366Sadrian struct ieee80211_channel *c, int ridx) 3494278366Sadrian{ 3495278366Sadrian/* Fixed-point arithmetic division using a n-bit fractional part. */ 3496280059Sadrian#define fdivround(a, b, n) \ 3497278366Sadrian ((((1 << n) * (a)) / (b) + (1 << n) / 2) / (1 << n)) 3498173362Sbenjsc 3499278366Sadrian/* Linear interpolation. */ 3500280059Sadrian#define interpolate(x, x1, y1, x2, y2, n) \ 3501278366Sadrian ((y1) + fdivround(((x) - (x1)) * ((y2) - (y1)), (x2) - (x1), n)) 3502173362Sbenjsc 3503280067Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3504278366Sadrian struct wpi_power_sample *sample; 3505278366Sadrian int pwr, idx; 3506278366Sadrian u_int chan; 3507278366Sadrian 3508278366Sadrian /* Get channel number. */ 3509278366Sadrian chan = ieee80211_chan2ieee(ic, c); 3510278366Sadrian 3511278366Sadrian /* Default TX power is group maximum TX power minus 3dB. */ 3512278366Sadrian pwr = group->maxpwr / 2; 3513278366Sadrian 3514278366Sadrian /* Decrease TX power for highest OFDM rates to reduce distortion. */ 3515278366Sadrian switch (ridx) { 3516278366Sadrian case WPI_RIDX_OFDM36: 3517278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 0 : 5; 3518278366Sadrian break; 3519278366Sadrian case WPI_RIDX_OFDM48: 3520278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 7 : 10; 3521278366Sadrian break; 3522278366Sadrian case WPI_RIDX_OFDM54: 3523278366Sadrian pwr -= IEEE80211_IS_CHAN_2GHZ(c) ? 9 : 12; 3524278366Sadrian break; 3525173362Sbenjsc } 3526173362Sbenjsc 3527278366Sadrian /* Never exceed the channel maximum allowed TX power. */ 3528278366Sadrian pwr = min(pwr, sc->maxpwr[chan]); 3529173362Sbenjsc 3530278366Sadrian /* Retrieve TX power index into gain tables from samples. */ 3531278366Sadrian for (sample = group->samples; sample < &group->samples[3]; sample++) 3532278366Sadrian if (pwr > sample[1].power) 3533278366Sadrian break; 3534278366Sadrian /* Fixed-point linear interpolation using a 19-bit fractional part. */ 3535278366Sadrian idx = interpolate(pwr, sample[0].power, sample[0].index, 3536278366Sadrian sample[1].power, sample[1].index, 19); 3537173362Sbenjsc 3538278366Sadrian /*- 3539278366Sadrian * Adjust power index based on current temperature: 3540278366Sadrian * - if cooler than factory-calibrated: decrease output power 3541278366Sadrian * - if warmer than factory-calibrated: increase output power 3542278366Sadrian */ 3543278366Sadrian idx -= (sc->temp - group->temp) * 11 / 100; 3544173362Sbenjsc 3545278366Sadrian /* Decrease TX power for CCK rates (-5dB). */ 3546278366Sadrian if (ridx >= WPI_RIDX_CCK1) 3547278366Sadrian idx += 10; 3548278366Sadrian 3549278366Sadrian /* Make sure idx stays in a valid range. */ 3550278366Sadrian if (idx < 0) 3551278366Sadrian return 0; 3552278366Sadrian if (idx > WPI_MAX_PWR_INDEX) 3553278366Sadrian return WPI_MAX_PWR_INDEX; 3554278366Sadrian return idx; 3555278366Sadrian 3556278366Sadrian#undef interpolate 3557278366Sadrian#undef fdivround 3558173362Sbenjsc} 3559173362Sbenjsc 3560278366Sadrian/* 3561278366Sadrian * Set STA mode power saving level (between 0 and 5). 3562278366Sadrian * Level 0 is CAM (Continuously Aware Mode), 5 is for maximum power saving. 3563278366Sadrian */ 3564173362Sbenjscstatic int 3565278366Sadrianwpi_set_pslevel(struct wpi_softc *sc, uint8_t dtim, int level, int async) 3566173362Sbenjsc{ 3567278366Sadrian struct wpi_pmgt_cmd cmd; 3568278366Sadrian const struct wpi_pmgt *pmgt; 3569278366Sadrian uint32_t max, skip_dtim; 3570278366Sadrian uint32_t reg; 3571278366Sadrian int i; 3572278366Sadrian 3573278366Sadrian DPRINTF(sc, WPI_DEBUG_PWRSAVE, 3574278366Sadrian "%s: dtim=%d, level=%d, async=%d\n", 3575278366Sadrian __func__, dtim, level, async); 3576278366Sadrian 3577278366Sadrian /* Select which PS parameters to use. */ 3578278366Sadrian if (dtim <= 10) 3579278366Sadrian pmgt = &wpi_pmgt[0][level]; 3580278366Sadrian else 3581278366Sadrian pmgt = &wpi_pmgt[1][level]; 3582278366Sadrian 3583278366Sadrian memset(&cmd, 0, sizeof cmd); 3584278366Sadrian if (level != 0) /* not CAM */ 3585278366Sadrian cmd.flags |= htole16(WPI_PS_ALLOW_SLEEP); 3586278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 3587278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 3588278366Sadrian if (!(reg & 0x1)) /* L0s Entry disabled. */ 3589278366Sadrian cmd.flags |= htole16(WPI_PS_PCI_PMGT); 3590278366Sadrian 3591278366Sadrian cmd.rxtimeout = htole32(pmgt->rxtimeout * IEEE80211_DUR_TU); 3592278366Sadrian cmd.txtimeout = htole32(pmgt->txtimeout * IEEE80211_DUR_TU); 3593278366Sadrian 3594278366Sadrian if (dtim == 0) { 3595278366Sadrian dtim = 1; 3596278366Sadrian skip_dtim = 0; 3597278366Sadrian } else 3598278366Sadrian skip_dtim = pmgt->skip_dtim; 3599278366Sadrian 3600278366Sadrian if (skip_dtim != 0) { 3601278366Sadrian cmd.flags |= htole16(WPI_PS_SLEEP_OVER_DTIM); 3602278366Sadrian max = pmgt->intval[4]; 3603278366Sadrian if (max == (uint32_t)-1) 3604278366Sadrian max = dtim * (skip_dtim + 1); 3605278366Sadrian else if (max > dtim) 3606278366Sadrian max = (max / dtim) * dtim; 3607278366Sadrian } else 3608278366Sadrian max = dtim; 3609278366Sadrian 3610278366Sadrian for (i = 0; i < 5; i++) 3611278366Sadrian cmd.intval[i] = htole32(MIN(max, pmgt->intval[i])); 3612278366Sadrian 3613278366Sadrian return wpi_cmd(sc, WPI_CMD_SET_POWER_MODE, &cmd, sizeof cmd, async); 3614278366Sadrian} 3615278366Sadrian 3616280059Sadrianstatic int 3617278366Sadrianwpi_send_btcoex(struct wpi_softc *sc) 3618278366Sadrian{ 3619278366Sadrian struct wpi_bluetooth cmd; 3620278366Sadrian 3621280059Sadrian memset(&cmd, 0, sizeof cmd); 3622280059Sadrian cmd.flags = WPI_BT_COEX_MODE_4WIRE; 3623280059Sadrian cmd.lead_time = WPI_BT_LEAD_TIME_DEF; 3624280059Sadrian cmd.max_kill = WPI_BT_MAX_KILL_DEF; 3625278366Sadrian DPRINTF(sc, WPI_DEBUG_RESET, "%s: configuring bluetooth coexistence\n", 3626278366Sadrian __func__); 3627280059Sadrian return wpi_cmd(sc, WPI_CMD_BT_COEX, &cmd, sizeof(cmd), 0); 3628278366Sadrian} 3629278366Sadrian 3630278366Sadrianstatic int 3631278366Sadrianwpi_send_rxon(struct wpi_softc *sc, int assoc, int async) 3632278366Sadrian{ 3633173362Sbenjsc int error; 3634173362Sbenjsc 3635278366Sadrian if (assoc && (sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3636278366Sadrian struct wpi_assoc rxon_assoc; 3637177043Sthompsa 3638278366Sadrian rxon_assoc.flags = sc->rxon.flags; 3639278366Sadrian rxon_assoc.filter = sc->rxon.filter; 3640278366Sadrian rxon_assoc.ofdm_mask = sc->rxon.ofdm_mask; 3641278366Sadrian rxon_assoc.cck_mask = sc->rxon.cck_mask; 3642278366Sadrian rxon_assoc.reserved = 0; 3643278366Sadrian 3644278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON_ASSOC, &rxon_assoc, 3645278366Sadrian sizeof (struct wpi_assoc), async); 3646216522Sbschmidt } else { 3647280077Sadrian if (async) 3648280077Sadrian WPI_NT_LOCK(sc); 3649280077Sadrian 3650278366Sadrian error = wpi_cmd(sc, WPI_CMD_RXON, &sc->rxon, 3651278366Sadrian sizeof (struct wpi_rxon), async); 3652280069Sadrian 3653280069Sadrian wpi_clear_node_table(sc); 3654280077Sadrian 3655280077Sadrian if (async) 3656280077Sadrian WPI_NT_UNLOCK(sc); 3657173362Sbenjsc } 3658173362Sbenjsc if (error != 0) { 3659278366Sadrian device_printf(sc->sc_dev, "RXON command failed, error %d\n", 3660278366Sadrian error); 3661173362Sbenjsc return error; 3662173362Sbenjsc } 3663173362Sbenjsc 3664278366Sadrian /* Configuration has changed, set Tx power accordingly. */ 3665278366Sadrian if ((error = wpi_set_txpower(sc, async)) != 0) { 3666278366Sadrian device_printf(sc->sc_dev, 3667278366Sadrian "%s: could not set TX power, error %d\n", __func__, error); 3668173362Sbenjsc return error; 3669173362Sbenjsc } 3670173362Sbenjsc 3671278366Sadrian if (!(sc->rxon.filter & htole32(WPI_FILTER_BSS))) { 3672278366Sadrian /* Add broadcast node. */ 3673278366Sadrian error = wpi_add_broadcast_node(sc, async); 3674278366Sadrian if (error != 0) { 3675278366Sadrian device_printf(sc->sc_dev, 3676278366Sadrian "could not add broadcast node, error %d\n", error); 3677278366Sadrian return error; 3678278366Sadrian } 3679278366Sadrian } 3680177043Sthompsa 3681278366Sadrian return 0; 3682177043Sthompsa} 3683177043Sthompsa 3684278366Sadrian/** 3685278366Sadrian * Configure the card to listen to a particular channel, this transisions the 3686278366Sadrian * card in to being able to receive frames from remote devices. 3687278366Sadrian */ 3688177043Sthompsastatic int 3689278366Sadrianwpi_config(struct wpi_softc *sc) 3690177043Sthompsa{ 3691278366Sadrian struct ifnet *ifp = sc->sc_ifp; 3692278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 3693279762Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3694278366Sadrian uint32_t flags; 3695177043Sthompsa int error; 3696177043Sthompsa 3697278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3698278366Sadrian 3699278366Sadrian /* Set power saving level to CAM during initialization. */ 3700278366Sadrian if ((error = wpi_set_pslevel(sc, 0, 0, 0)) != 0) { 3701278366Sadrian device_printf(sc->sc_dev, 3702278366Sadrian "%s: could not set power saving level\n", __func__); 3703278366Sadrian return error; 3704178354Ssam } 3705178354Ssam 3706278366Sadrian /* Configure bluetooth coexistence. */ 3707278366Sadrian if ((error = wpi_send_btcoex(sc)) != 0) { 3708278366Sadrian device_printf(sc->sc_dev, 3709278366Sadrian "could not configure bluetooth coexistence\n"); 3710278366Sadrian return error; 3711278366Sadrian } 3712177043Sthompsa 3713278366Sadrian /* Configure adapter. */ 3714278366Sadrian memset(&sc->rxon, 0, sizeof (struct wpi_rxon)); 3715279762Sadrian IEEE80211_ADDR_COPY(sc->rxon.myaddr, vap->iv_myaddr); 3716177043Sthompsa 3717278366Sadrian /* Set default channel. */ 3718278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ic->ic_curchan); 3719278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 3720278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) 3721278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 3722177043Sthompsa 3723278764Sadrian sc->rxon.filter = WPI_FILTER_MULTICAST; 3724278366Sadrian switch (ic->ic_opmode) { 3725278366Sadrian case IEEE80211_M_STA: 3726278366Sadrian sc->rxon.mode = WPI_MODE_STA; 3727278366Sadrian break; 3728278366Sadrian case IEEE80211_M_IBSS: 3729278366Sadrian sc->rxon.mode = WPI_MODE_IBSS; 3730278764Sadrian sc->rxon.filter |= WPI_FILTER_BEACON; 3731278366Sadrian break; 3732278366Sadrian /* XXX workaround for passive channels selection */ 3733278366Sadrian case IEEE80211_M_AHDEMO: 3734278366Sadrian case IEEE80211_M_HOSTAP: 3735278366Sadrian sc->rxon.mode = WPI_MODE_HOSTAP; 3736278366Sadrian break; 3737278366Sadrian case IEEE80211_M_MONITOR: 3738278366Sadrian sc->rxon.mode = WPI_MODE_MONITOR; 3739278366Sadrian break; 3740278366Sadrian default: 3741280066Sadrian device_printf(sc->sc_dev, "unknown opmode %d\n", 3742280066Sadrian ic->ic_opmode); 3743278366Sadrian return EINVAL; 3744278366Sadrian } 3745278764Sadrian sc->rxon.filter = htole32(sc->rxon.filter); 3746278366Sadrian wpi_set_promisc(sc); 3747278366Sadrian sc->rxon.cck_mask = 0x0f; /* not yet negotiated */ 3748278366Sadrian sc->rxon.ofdm_mask = 0xff; /* not yet negotiated */ 3749278366Sadrian 3750278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) { 3751278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 3752278366Sadrian __func__); 3753173362Sbenjsc return error; 3754173362Sbenjsc } 3755173362Sbenjsc 3756278366Sadrian /* Setup rate scalling. */ 3757278366Sadrian if ((error = wpi_mrr_setup(sc)) != 0) { 3758278366Sadrian device_printf(sc->sc_dev, "could not setup MRR, error %d\n", 3759278366Sadrian error); 3760278366Sadrian return error; 3761278366Sadrian } 3762278366Sadrian 3763278366Sadrian /* Disable beacon notifications (unused). */ 3764278366Sadrian flags = WPI_STATISTICS_BEACON_DISABLE; 3765278366Sadrian error = wpi_cmd(sc, WPI_CMD_GET_STATISTICS, &flags, sizeof flags, 1); 3766177043Sthompsa if (error != 0) { 3767278366Sadrian device_printf(sc->sc_dev, 3768278366Sadrian "could not disable beacon statistics, error %d\n", error); 3769177043Sthompsa return error; 3770177043Sthompsa } 3771173362Sbenjsc 3772278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 3773177043Sthompsa 3774278366Sadrian return 0; 3775278366Sadrian} 3776177043Sthompsa 3777278366Sadrianstatic uint16_t 3778278366Sadrianwpi_get_active_dwell_time(struct wpi_softc *sc, 3779278366Sadrian struct ieee80211_channel *c, uint8_t n_probes) 3780278366Sadrian{ 3781278366Sadrian /* No channel? Default to 2GHz settings. */ 3782278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) { 3783278366Sadrian return (WPI_ACTIVE_DWELL_TIME_2GHZ + 3784278366Sadrian WPI_ACTIVE_DWELL_FACTOR_2GHZ * (n_probes + 1)); 3785278366Sadrian } 3786278366Sadrian 3787278366Sadrian /* 5GHz dwell time. */ 3788278366Sadrian return (WPI_ACTIVE_DWELL_TIME_5GHZ + 3789278366Sadrian WPI_ACTIVE_DWELL_FACTOR_5GHZ * (n_probes + 1)); 3790173362Sbenjsc} 3791173362Sbenjsc 3792173362Sbenjsc/* 3793278366Sadrian * Limit the total dwell time to 85% of the beacon interval. 3794278366Sadrian * 3795278366Sadrian * Returns the dwell time in milliseconds. 3796173362Sbenjsc */ 3797278366Sadrianstatic uint16_t 3798278366Sadrianwpi_limit_dwell(struct wpi_softc *sc, uint16_t dwell_time) 3799278366Sadrian{ 3800278366Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3801278366Sadrian struct ieee80211vap *vap = NULL; 3802278366Sadrian int bintval = 0; 3803278366Sadrian 3804278366Sadrian /* bintval is in TU (1.024mS) */ 3805278366Sadrian if (! TAILQ_EMPTY(&ic->ic_vaps)) { 3806278366Sadrian vap = TAILQ_FIRST(&ic->ic_vaps); 3807278366Sadrian bintval = vap->iv_bss->ni_intval; 3808278366Sadrian } 3809278366Sadrian 3810278366Sadrian /* 3811278366Sadrian * If it's non-zero, we should calculate the minimum of 3812278366Sadrian * it and the DWELL_BASE. 3813278366Sadrian * 3814278366Sadrian * XXX Yes, the math should take into account that bintval 3815278366Sadrian * is 1.024mS, not 1mS.. 3816278366Sadrian */ 3817278366Sadrian if (bintval > 0) { 3818278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "%s: bintval=%d\n", __func__, 3819278366Sadrian bintval); 3820278366Sadrian return (MIN(WPI_PASSIVE_DWELL_BASE, ((bintval * 85) / 100))); 3821278366Sadrian } 3822278366Sadrian 3823278366Sadrian /* No association context? Default. */ 3824278366Sadrian return (WPI_PASSIVE_DWELL_BASE); 3825278366Sadrian} 3826278366Sadrian 3827278366Sadrianstatic uint16_t 3828278366Sadrianwpi_get_passive_dwell_time(struct wpi_softc *sc, struct ieee80211_channel *c) 3829278366Sadrian{ 3830278366Sadrian uint16_t passive; 3831278366Sadrian 3832278366Sadrian if (c == NULL || IEEE80211_IS_CHAN_2GHZ(c)) 3833278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_2GHZ; 3834278366Sadrian else 3835278366Sadrian passive = WPI_PASSIVE_DWELL_BASE + WPI_PASSIVE_DWELL_TIME_5GHZ; 3836278366Sadrian 3837278366Sadrian /* Clamp to the beacon interval if we're associated. */ 3838278366Sadrian return (wpi_limit_dwell(sc, passive)); 3839278366Sadrian} 3840278366Sadrian 3841278366Sadrian/* 3842278366Sadrian * Send a scan request to the firmware. 3843278366Sadrian */ 3844173362Sbenjscstatic int 3845278366Sadrianwpi_scan(struct wpi_softc *sc, struct ieee80211_channel *c) 3846173362Sbenjsc{ 3847178354Ssam struct ifnet *ifp = sc->sc_ifp; 3848178354Ssam struct ieee80211com *ic = ifp->if_l2com; 3849177043Sthompsa struct ieee80211_scan_state *ss = ic->ic_scan; 3850279762Sadrian struct ieee80211vap *vap = ss->ss_vap; 3851173362Sbenjsc struct wpi_scan_hdr *hdr; 3852278366Sadrian struct wpi_cmd_data *tx; 3853278366Sadrian struct wpi_scan_essid *essids; 3854173362Sbenjsc struct wpi_scan_chan *chan; 3855173362Sbenjsc struct ieee80211_frame *wh; 3856173362Sbenjsc struct ieee80211_rateset *rs; 3857278366Sadrian uint16_t dwell_active, dwell_passive; 3858278366Sadrian uint8_t *buf, *frm; 3859278366Sadrian int buflen, error, i, nssid; 3860173362Sbenjsc 3861278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 3862173362Sbenjsc 3863278366Sadrian /* 3864278366Sadrian * We are absolutely not allowed to send a scan command when another 3865278366Sadrian * scan command is pending. 3866278366Sadrian */ 3867278366Sadrian if (sc->sc_scan_timer) { 3868278366Sadrian device_printf(sc->sc_dev, "%s: called whilst scanning!\n", 3869278366Sadrian __func__); 3870280060Sadrian 3871280060Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 3872280060Sadrian 3873278366Sadrian return (EAGAIN); 3874278366Sadrian } 3875278366Sadrian 3876278366Sadrian buf = malloc(WPI_SCAN_MAXSZ, M_DEVBUF, M_NOWAIT | M_ZERO); 3877278366Sadrian if (buf == NULL) { 3878173362Sbenjsc device_printf(sc->sc_dev, 3879278366Sadrian "%s: could not allocate buffer for scan command\n", 3880278366Sadrian __func__); 3881280060Sadrian error = ENOMEM; 3882280060Sadrian goto fail; 3883173362Sbenjsc } 3884278366Sadrian hdr = (struct wpi_scan_hdr *)buf; 3885173362Sbenjsc 3886173362Sbenjsc /* 3887278366Sadrian * Move to the next channel if no packets are received within 10 msecs 3888278366Sadrian * after sending the probe request. 3889173362Sbenjsc */ 3890278366Sadrian hdr->quiet_time = htole16(10); /* timeout in milliseconds */ 3891278366Sadrian hdr->quiet_threshold = htole16(1); /* min # of packets */ 3892278366Sadrian /* 3893278366Sadrian * Max needs to be greater than active and passive and quiet! 3894278366Sadrian * It's also in microseconds! 3895278366Sadrian */ 3896278366Sadrian hdr->max_svc = htole32(250 * IEEE80211_DUR_TU); 3897278366Sadrian hdr->pause_svc = htole32((4 << 24) | 3898278366Sadrian (100 * IEEE80211_DUR_TU)); /* Hardcode for now */ 3899278366Sadrian hdr->filter = htole32(WPI_FILTER_MULTICAST | WPI_FILTER_BEACON); 3900173362Sbenjsc 3901278366Sadrian tx = (struct wpi_cmd_data *)(hdr + 1); 3902278366Sadrian tx->flags = htole32(WPI_TX_AUTO_SEQ); 3903278366Sadrian tx->id = WPI_ID_BROADCAST; 3904278366Sadrian tx->lifetime = htole32(WPI_LIFETIME_INFINITE); 3905173362Sbenjsc 3906278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) { 3907278366Sadrian /* Send probe requests at 6Mbps. */ 3908278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_OFDM6]; 3909278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11A]; 3910173362Sbenjsc } else { 3911278366Sadrian hdr->flags = htole32(WPI_RXON_24GHZ | WPI_RXON_AUTO); 3912278366Sadrian /* Send probe requests at 1Mbps. */ 3913278366Sadrian tx->plcp = wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 3914278366Sadrian rs = &ic->ic_sup_rates[IEEE80211_MODE_11G]; 3915173362Sbenjsc } 3916173362Sbenjsc 3917278366Sadrian essids = (struct wpi_scan_essid *)(tx + 1); 3918177043Sthompsa nssid = MIN(ss->ss_nssid, WPI_SCAN_MAX_ESSIDS); 3919178354Ssam for (i = 0; i < nssid; i++) { 3920278366Sadrian essids[i].id = IEEE80211_ELEMID_SSID; 3921278366Sadrian essids[i].len = MIN(ss->ss_ssid[i].len, IEEE80211_NWID_LEN); 3922278366Sadrian memcpy(essids[i].data, ss->ss_ssid[i].ssid, essids[i].len); 3923179957Sthompsa#ifdef WPI_DEBUG 3924278366Sadrian if (sc->sc_debug & WPI_DEBUG_SCAN) { 3925177043Sthompsa printf("Scanning Essid: "); 3926278366Sadrian ieee80211_print_essid(essids[i].data, essids[i].len); 3927177043Sthompsa printf("\n"); 3928177043Sthompsa } 3929179957Sthompsa#endif 3930173362Sbenjsc } 3931173362Sbenjsc 3932173362Sbenjsc /* 3933173362Sbenjsc * Build a probe request frame. Most of the following code is a 3934173362Sbenjsc * copy & paste of what is done in net80211. 3935173362Sbenjsc */ 3936278366Sadrian wh = (struct ieee80211_frame *)(essids + WPI_SCAN_MAX_ESSIDS); 3937173362Sbenjsc wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 3938173362Sbenjsc IEEE80211_FC0_SUBTYPE_PROBE_REQ; 3939173362Sbenjsc wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 3940173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr1, ifp->if_broadcastaddr); 3941279762Sadrian IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); 3942173362Sbenjsc IEEE80211_ADDR_COPY(wh->i_addr3, ifp->if_broadcastaddr); 3943278366Sadrian *(uint16_t *)&wh->i_dur[0] = 0; /* filled by h/w */ 3944278366Sadrian *(uint16_t *)&wh->i_seq[0] = 0; /* filled by h/w */ 3945173362Sbenjsc 3946173362Sbenjsc frm = (uint8_t *)(wh + 1); 3947275966Sadrian frm = ieee80211_add_ssid(frm, NULL, 0); 3948275966Sadrian frm = ieee80211_add_rates(frm, rs); 3949278366Sadrian if (rs->rs_nrates > IEEE80211_RATE_SIZE) 3950278366Sadrian frm = ieee80211_add_xrates(frm, rs); 3951173362Sbenjsc 3952278366Sadrian /* Set length of probe request. */ 3953278366Sadrian tx->len = htole16(frm - (uint8_t *)wh); 3954173362Sbenjsc 3955173362Sbenjsc /* 3956173362Sbenjsc * Construct information about the channel that we 3957173362Sbenjsc * want to scan. The firmware expects this to be directly 3958173362Sbenjsc * after the scan probe request 3959173362Sbenjsc */ 3960173362Sbenjsc chan = (struct wpi_scan_chan *)frm; 3961278366Sadrian chan->chan = htole16(ieee80211_chan2ieee(ic, c)); 3962173362Sbenjsc chan->flags = 0; 3963278366Sadrian if (nssid) { 3964278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_DEFAULT; 3965278366Sadrian chan->flags |= WPI_CHAN_NPBREQS(nssid); 3966278366Sadrian } else 3967278366Sadrian hdr->crc_threshold = WPI_SCAN_CRC_TH_NEVER; 3968278366Sadrian 3969278764Sadrian if (!IEEE80211_IS_CHAN_PASSIVE(c)) 3970173362Sbenjsc chan->flags |= WPI_CHAN_ACTIVE; 3971173362Sbenjsc 3972278366Sadrian /* 3973278366Sadrian * Calculate the active/passive dwell times. 3974278366Sadrian */ 3975173362Sbenjsc 3976278366Sadrian dwell_active = wpi_get_active_dwell_time(sc, c, nssid); 3977278366Sadrian dwell_passive = wpi_get_passive_dwell_time(sc, c); 3978278366Sadrian 3979278366Sadrian /* Make sure they're valid. */ 3980278366Sadrian if (dwell_passive <= dwell_active) 3981278366Sadrian dwell_passive = dwell_active + 1; 3982278366Sadrian 3983278366Sadrian chan->active = htole16(dwell_active); 3984278366Sadrian chan->passive = htole16(dwell_passive); 3985278366Sadrian 3986278366Sadrian chan->dsp_gain = 0x6e; /* Default level */ 3987278366Sadrian 3988278366Sadrian if (IEEE80211_IS_CHAN_5GHZ(c)) 3989278366Sadrian chan->rf_gain = 0x3b; 3990278366Sadrian else 3991278366Sadrian chan->rf_gain = 0x28; 3992278366Sadrian 3993278366Sadrian DPRINTF(sc, WPI_DEBUG_SCAN, "Scanning %u Passive: %d\n", 3994280059Sadrian chan->chan, IEEE80211_IS_CHAN_PASSIVE(c)); 3995278366Sadrian 3996173362Sbenjsc hdr->nchan++; 3997173362Sbenjsc chan++; 3998173362Sbenjsc 3999278366Sadrian buflen = (uint8_t *)chan - buf; 4000278366Sadrian hdr->len = htole16(buflen); 4001173362Sbenjsc 4002278366Sadrian DPRINTF(sc, WPI_DEBUG_CMD, "sending scan command nchan=%d\n", 4003278366Sadrian hdr->nchan); 4004278366Sadrian error = wpi_cmd(sc, WPI_CMD_SCAN, buf, buflen, 1); 4005278366Sadrian free(buf, M_DEVBUF); 4006173362Sbenjsc 4007280060Sadrian if (error != 0) 4008280060Sadrian goto fail; 4009280060Sadrian 4010278366Sadrian sc->sc_scan_timer = 5; 4011173362Sbenjsc 4012278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4013173362Sbenjsc 4014280060Sadrian return 0; 4015280060Sadrian 4016280060Sadrianfail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 4017280060Sadrian 4018278366Sadrian return error; 4019278366Sadrian} 4020173362Sbenjsc 4021278366Sadrianstatic int 4022278366Sadrianwpi_auth(struct wpi_softc *sc, struct ieee80211vap *vap) 4023278366Sadrian{ 4024278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4025278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4026278366Sadrian int error; 4027173362Sbenjsc 4028278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4029278366Sadrian 4030278366Sadrian /* Update adapter configuration. */ 4031278366Sadrian sc->rxon.associd = 0; 4032278366Sadrian sc->rxon.filter &= ~htole32(WPI_FILTER_BSS); 4033278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4034278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 4035278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4036278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 4037278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4038278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4039278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4040278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4041278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4042278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 4043278366Sadrian sc->rxon.cck_mask = 0; 4044278366Sadrian sc->rxon.ofdm_mask = 0x15; 4045278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 4046278366Sadrian sc->rxon.cck_mask = 0x03; 4047278366Sadrian sc->rxon.ofdm_mask = 0; 4048278366Sadrian } else { 4049278366Sadrian /* Assume 802.11b/g. */ 4050278366Sadrian sc->rxon.cck_mask = 0x0f; 4051278366Sadrian sc->rxon.ofdm_mask = 0x15; 4052173362Sbenjsc } 4053173362Sbenjsc 4054278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x cck %x ofdm %x\n", 4055278366Sadrian sc->rxon.chan, sc->rxon.flags, sc->rxon.cck_mask, 4056278366Sadrian sc->rxon.ofdm_mask); 4057173362Sbenjsc 4058278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4059278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4060278366Sadrian __func__); 4061278366Sadrian } 4062173362Sbenjsc 4063278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4064173362Sbenjsc 4065278366Sadrian return error; 4066173362Sbenjsc} 4067173362Sbenjsc 4068173362Sbenjscstatic int 4069280084Sadrianwpi_config_beacon(struct wpi_vap *wvp) 4070280084Sadrian{ 4071280085Sadrian struct ieee80211com *ic = wvp->wv_vap.iv_ic; 4072280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4073280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4074280084Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4075280084Sadrian struct wpi_cmd_beacon *cmd = (struct wpi_cmd_beacon *)&bcn->data; 4076280084Sadrian struct ieee80211_tim_ie *tie; 4077280084Sadrian struct mbuf *m; 4078280084Sadrian uint8_t *ptr; 4079280084Sadrian int error; 4080280084Sadrian 4081280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4082280084Sadrian 4083280086Sadrian WPI_VAP_LOCK_ASSERT(wvp); 4084280084Sadrian 4085280084Sadrian cmd->len = htole16(bcn->m->m_pkthdr.len); 4086280084Sadrian cmd->plcp = (ic->ic_curmode == IEEE80211_MODE_11A) ? 4087280084Sadrian wpi_ridx_to_plcp[WPI_RIDX_OFDM6] : wpi_ridx_to_plcp[WPI_RIDX_CCK1]; 4088280084Sadrian 4089280084Sadrian /* XXX seems to be unused */ 4090280084Sadrian if (*(bo->bo_tim) == IEEE80211_ELEMID_TIM) { 4091280084Sadrian tie = (struct ieee80211_tim_ie *) bo->bo_tim; 4092280084Sadrian ptr = mtod(bcn->m, uint8_t *); 4093280084Sadrian 4094280084Sadrian cmd->tim = htole16(bo->bo_tim - ptr); 4095280084Sadrian cmd->timsz = tie->tim_len; 4096280084Sadrian } 4097280084Sadrian 4098280084Sadrian /* Necessary for recursion in ieee80211_beacon_update(). */ 4099280084Sadrian m = bcn->m; 4100280084Sadrian bcn->m = m_dup(m, M_NOWAIT); 4101280084Sadrian if (bcn->m == NULL) { 4102280084Sadrian device_printf(sc->sc_dev, 4103280084Sadrian "%s: could not copy beacon frame\n", __func__); 4104280084Sadrian error = ENOMEM; 4105280084Sadrian goto end; 4106280084Sadrian } 4107280084Sadrian 4108280084Sadrian if ((error = wpi_cmd2(sc, bcn)) != 0) { 4109280084Sadrian device_printf(sc->sc_dev, 4110280084Sadrian "%s: could not update beacon frame, error %d", __func__, 4111280084Sadrian error); 4112280084Sadrian } 4113280084Sadrian 4114280084Sadrian /* Restore mbuf. */ 4115280084Sadrianend: bcn->m = m; 4116280084Sadrian 4117280084Sadrian return error; 4118280084Sadrian} 4119280084Sadrian 4120280084Sadrianstatic int 4121278366Sadrianwpi_setup_beacon(struct wpi_softc *sc, struct ieee80211_node *ni) 4122173362Sbenjsc{ 4123280082Sadrian struct wpi_vap *wvp = WPI_VAP(ni->ni_vap); 4124278366Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4125280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4126278366Sadrian struct mbuf *m; 4127280084Sadrian int error; 4128173362Sbenjsc 4129278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4130278366Sadrian 4131278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) 4132278366Sadrian return EINVAL; 4133278366Sadrian 4134280084Sadrian m = ieee80211_beacon_alloc(ni, bo); 4135278366Sadrian if (m == NULL) { 4136278366Sadrian device_printf(sc->sc_dev, 4137278366Sadrian "%s: could not allocate beacon frame\n", __func__); 4138278366Sadrian return ENOMEM; 4139173362Sbenjsc } 4140173362Sbenjsc 4141280086Sadrian WPI_VAP_LOCK(wvp); 4142280084Sadrian if (bcn->m != NULL) 4143280084Sadrian m_freem(bcn->m); 4144278366Sadrian 4145278366Sadrian bcn->m = m; 4146278366Sadrian 4147280084Sadrian error = wpi_config_beacon(wvp); 4148280086Sadrian WPI_VAP_UNLOCK(wvp); 4149280084Sadrian 4150280084Sadrian return error; 4151278366Sadrian} 4152278366Sadrian 4153278366Sadrianstatic void 4154278366Sadrianwpi_update_beacon(struct ieee80211vap *vap, int item) 4155278366Sadrian{ 4156280057Sadrian struct wpi_softc *sc = vap->iv_ic->ic_ifp->if_softc; 4157280084Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4158280084Sadrian struct wpi_buf *bcn = &wvp->wv_bcbuf; 4159280084Sadrian struct ieee80211_beacon_offsets *bo = &wvp->wv_boff; 4160278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4161280084Sadrian int mcast = 0; 4162278366Sadrian 4163280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4164280084Sadrian 4165280086Sadrian WPI_VAP_LOCK(wvp); 4166280084Sadrian if (bcn->m == NULL) { 4167280084Sadrian bcn->m = ieee80211_beacon_alloc(ni, bo); 4168280084Sadrian if (bcn->m == NULL) { 4169280084Sadrian device_printf(sc->sc_dev, 4170280084Sadrian "%s: could not allocate beacon frame\n", __func__); 4171280084Sadrian 4172280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, 4173280084Sadrian __func__); 4174280084Sadrian 4175280086Sadrian WPI_VAP_UNLOCK(wvp); 4176280084Sadrian return; 4177280084Sadrian } 4178173362Sbenjsc } 4179280086Sadrian WPI_VAP_UNLOCK(wvp); 4180280084Sadrian 4181280084Sadrian if (item == IEEE80211_BEACON_TIM) 4182280084Sadrian mcast = 1; /* TODO */ 4183280084Sadrian 4184280084Sadrian setbit(bo->bo_flags, item); 4185280084Sadrian ieee80211_beacon_update(ni, bo, bcn->m, mcast); 4186280084Sadrian 4187280086Sadrian WPI_VAP_LOCK(wvp); 4188280084Sadrian wpi_config_beacon(wvp); 4189280086Sadrian WPI_VAP_UNLOCK(wvp); 4190280084Sadrian 4191280084Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4192278366Sadrian} 4193173362Sbenjsc 4194280079Sadrianstatic void 4195280079Sadrianwpi_newassoc(struct ieee80211_node *ni, int isnew) 4196280079Sadrian{ 4197280079Sadrian struct ieee80211vap *vap = ni->ni_vap; 4198280079Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4199280079Sadrian struct wpi_node *wn = WPI_NODE(ni); 4200280079Sadrian int error; 4201280079Sadrian 4202280079Sadrian WPI_NT_LOCK(sc); 4203280079Sadrian 4204280079Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4205280079Sadrian 4206280079Sadrian if (vap->iv_opmode != IEEE80211_M_STA && wn->id == WPI_ID_UNDEFINED) { 4207280079Sadrian if ((error = wpi_add_ibss_node(sc, ni)) != 0) { 4208280079Sadrian device_printf(sc->sc_dev, 4209280079Sadrian "%s: could not add IBSS node, error %d\n", 4210280079Sadrian __func__, error); 4211280079Sadrian } 4212280079Sadrian } 4213280079Sadrian WPI_NT_UNLOCK(sc); 4214280079Sadrian} 4215280079Sadrian 4216278366Sadrianstatic int 4217278366Sadrianwpi_run(struct wpi_softc *sc, struct ieee80211vap *vap) 4218278366Sadrian{ 4219278366Sadrian struct ieee80211com *ic = vap->iv_ic; 4220278366Sadrian struct ieee80211_node *ni = vap->iv_bss; 4221278366Sadrian int error; 4222278366Sadrian 4223278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4224278366Sadrian 4225278366Sadrian if (vap->iv_opmode == IEEE80211_M_MONITOR) { 4226278366Sadrian /* Link LED blinks while monitoring. */ 4227278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 5, 5); 4228278366Sadrian return 0; 4229173362Sbenjsc } 4230278366Sadrian 4231278366Sadrian /* XXX kernel panic workaround */ 4232278366Sadrian if (ni->ni_chan == IEEE80211_CHAN_ANYC) { 4233278366Sadrian device_printf(sc->sc_dev, "%s: incomplete configuration\n", 4234278366Sadrian __func__); 4235195562Srpaulo return EINVAL; 4236173362Sbenjsc } 4237278366Sadrian 4238278366Sadrian if ((error = wpi_set_timing(sc, ni)) != 0) { 4239278366Sadrian device_printf(sc->sc_dev, 4240278366Sadrian "%s: could not set timing, error %d\n", __func__, error); 4241173362Sbenjsc return error; 4242173362Sbenjsc } 4243173362Sbenjsc 4244278366Sadrian /* Update adapter configuration. */ 4245278366Sadrian IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid); 4246278366Sadrian sc->rxon.associd = htole16(IEEE80211_NODE_AID(ni)); 4247278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan); 4248278366Sadrian sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF); 4249278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) 4250278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ); 4251278366Sadrian /* Short preamble and slot time are negotiated when associating. */ 4252278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_SHPREAMBLE | WPI_RXON_SHSLOT); 4253278366Sadrian if (ic->ic_flags & IEEE80211_F_SHSLOT) 4254278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHSLOT); 4255278366Sadrian if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4256278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE); 4257278366Sadrian if (IEEE80211_IS_CHAN_A(ni->ni_chan)) { 4258278366Sadrian sc->rxon.cck_mask = 0; 4259278366Sadrian sc->rxon.ofdm_mask = 0x15; 4260278366Sadrian } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) { 4261278366Sadrian sc->rxon.cck_mask = 0x03; 4262278366Sadrian sc->rxon.ofdm_mask = 0; 4263278366Sadrian } else { 4264278366Sadrian /* Assume 802.11b/g. */ 4265278366Sadrian sc->rxon.cck_mask = 0x0f; 4266278366Sadrian sc->rxon.ofdm_mask = 0x15; 4267173362Sbenjsc } 4268278366Sadrian sc->rxon.filter |= htole32(WPI_FILTER_BSS); 4269173362Sbenjsc 4270278366Sadrian DPRINTF(sc, WPI_DEBUG_STATE, "rxon chan %d flags %x\n", 4271278366Sadrian sc->rxon.chan, sc->rxon.flags); 4272278366Sadrian 4273278366Sadrian if ((error = wpi_send_rxon(sc, 0, 1)) != 0) { 4274278366Sadrian device_printf(sc->sc_dev, "%s: could not send RXON\n", 4275278366Sadrian __func__); 4276173362Sbenjsc return error; 4277173362Sbenjsc } 4278173362Sbenjsc 4279278366Sadrian if (vap->iv_opmode == IEEE80211_M_IBSS) { 4280278366Sadrian if ((error = wpi_setup_beacon(sc, ni)) != 0) { 4281278366Sadrian device_printf(sc->sc_dev, 4282278366Sadrian "%s: could not setup beacon, error %d\n", __func__, 4283278366Sadrian error); 4284278366Sadrian return error; 4285278366Sadrian } 4286173362Sbenjsc } 4287173362Sbenjsc 4288278366Sadrian if (vap->iv_opmode == IEEE80211_M_STA) { 4289278366Sadrian /* Add BSS node. */ 4290280077Sadrian WPI_NT_LOCK(sc); 4291280070Sadrian error = wpi_add_sta_node(sc, ni); 4292280077Sadrian WPI_NT_UNLOCK(sc); 4293280070Sadrian if (error != 0) { 4294278366Sadrian device_printf(sc->sc_dev, 4295278366Sadrian "%s: could not add BSS node, error %d\n", __func__, 4296278366Sadrian error); 4297278366Sadrian return error; 4298278366Sadrian } 4299278366Sadrian } 4300173362Sbenjsc 4301278366Sadrian /* Link LED always on while associated. */ 4302278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 4303173362Sbenjsc 4304278366Sadrian /* Start periodic calibration timer. */ 4305278366Sadrian callout_reset(&sc->calib_to, 60*hz, wpi_calib_timeout, sc); 4306173362Sbenjsc 4307278366Sadrian /* Enable power-saving mode if requested by user. */ 4308278366Sadrian if (vap->iv_flags & IEEE80211_F_PMGTON) 4309278366Sadrian (void)wpi_set_pslevel(sc, 0, 3, 1); 4310278764Sadrian else 4311278764Sadrian (void)wpi_set_pslevel(sc, 0, 0, 1); 4312173362Sbenjsc 4313278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 4314173362Sbenjsc 4315278366Sadrian return 0; 4316173362Sbenjsc} 4317173362Sbenjsc 4318173362Sbenjscstatic int 4319280088Sadrianwpi_load_key(struct ieee80211_node *ni, const struct ieee80211_key *k) 4320173362Sbenjsc{ 4321278366Sadrian const struct ieee80211_cipher *cip = k->wk_cipher; 4322280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4323280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4324280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4325278366Sadrian struct wpi_node_info node; 4326278366Sadrian uint16_t kflags; 4327278366Sadrian int error; 4328173362Sbenjsc 4329278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4330173362Sbenjsc 4331280088Sadrian if (wpi_check_node_entry(sc, wn->id) == 0) { 4332280088Sadrian device_printf(sc->sc_dev, "%s: node does not exist\n", 4333280088Sadrian __func__); 4334280088Sadrian return 0; 4335280088Sadrian } 4336280088Sadrian 4337278366Sadrian switch (cip->ic_cipher) { 4338278366Sadrian case IEEE80211_CIPHER_AES_CCM: 4339278366Sadrian kflags = WPI_KFLAG_CCMP; 4340278366Sadrian break; 4341280088Sadrian 4342278366Sadrian default: 4343280088Sadrian device_printf(sc->sc_dev, "%s: unknown cipher %d\n", __func__, 4344280088Sadrian cip->ic_cipher); 4345280088Sadrian return 0; 4346278366Sadrian } 4347173362Sbenjsc 4348278366Sadrian kflags |= WPI_KFLAG_KID(k->wk_keyix); 4349278366Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4350278366Sadrian kflags |= WPI_KFLAG_MULTICAST; 4351173362Sbenjsc 4352278366Sadrian memset(&node, 0, sizeof node); 4353278366Sadrian node.id = wn->id; 4354278366Sadrian node.control = WPI_NODE_UPDATE; 4355278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4356278366Sadrian node.kflags = htole16(kflags); 4357278366Sadrian memcpy(node.key, k->wk_key, k->wk_keylen); 4358280088Sadrianagain: 4359280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, 4360280088Sadrian "%s: setting %s key id %d for node %d (%s)\n", __func__, 4361280088Sadrian (kflags & WPI_KFLAG_MULTICAST) ? "group" : "ucast", k->wk_keyix, 4362280088Sadrian node.id, ether_sprintf(ni->ni_macaddr)); 4363173362Sbenjsc 4364278366Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4365278366Sadrian if (error != 0) { 4366278366Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4367278366Sadrian error); 4368280088Sadrian return !error; 4369173362Sbenjsc } 4370173362Sbenjsc 4371280088Sadrian if (!(kflags & WPI_KFLAG_MULTICAST) && &vap->iv_nw_keys[0] <= k && 4372280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4373280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4374280088Sadrian node.kflags = htole16(kflags); 4375280088Sadrian 4376280088Sadrian goto again; 4377280088Sadrian } 4378280088Sadrian 4379278366Sadrian return 1; 4380173362Sbenjsc} 4381173362Sbenjsc 4382280088Sadrianstatic void 4383280088Sadrianwpi_load_key_cb(void *arg, struct ieee80211_node *ni) 4384280088Sadrian{ 4385280088Sadrian const struct ieee80211_key *k = arg; 4386280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4387280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4388280088Sadrian struct wpi_node *wn = WPI_NODE(ni); 4389280088Sadrian int error; 4390280088Sadrian 4391280088Sadrian if (vap->iv_bss == ni && wn->id == WPI_ID_UNDEFINED) 4392280088Sadrian return; 4393280088Sadrian 4394280088Sadrian WPI_NT_LOCK(sc); 4395280088Sadrian error = wpi_load_key(ni, k); 4396280088Sadrian WPI_NT_UNLOCK(sc); 4397280088Sadrian 4398280088Sadrian if (error == 0) { 4399280088Sadrian device_printf(sc->sc_dev, "%s: error while setting key\n", 4400280088Sadrian __func__); 4401280088Sadrian } 4402280088Sadrian} 4403280088Sadrian 4404278366Sadrianstatic int 4405280088Sadrianwpi_set_global_keys(struct ieee80211_node *ni) 4406173362Sbenjsc{ 4407280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4408280088Sadrian struct ieee80211_key *wk = &vap->iv_nw_keys[0]; 4409280088Sadrian int error = 1; 4410280088Sadrian 4411280088Sadrian for (; wk < &vap->iv_nw_keys[IEEE80211_WEP_NKID] && error; wk++) 4412280088Sadrian if (wk->wk_keyix != IEEE80211_KEYIX_NONE) 4413280088Sadrian error = wpi_load_key(ni, wk); 4414280088Sadrian 4415280088Sadrian return !error; 4416280088Sadrian} 4417280088Sadrian 4418280088Sadrianstatic int 4419280088Sadrianwpi_del_key(struct ieee80211_node *ni, const struct ieee80211_key *k) 4420280088Sadrian{ 4421280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4422280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4423280063Sadrian struct wpi_node *wn = WPI_NODE(ni); 4424278366Sadrian struct wpi_node_info node; 4425280088Sadrian uint16_t kflags; 4426280088Sadrian int error; 4427173362Sbenjsc 4428278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4429173362Sbenjsc 4430280088Sadrian if (wpi_check_node_entry(sc, wn->id) == 0) { 4431280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: node was removed\n", __func__); 4432280088Sadrian return 1; /* Nothing to do. */ 4433278366Sadrian } 4434173362Sbenjsc 4435280088Sadrian kflags = WPI_KFLAG_KID(k->wk_keyix); 4436280088Sadrian if (k->wk_flags & IEEE80211_KEY_GROUP) 4437280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4438173362Sbenjsc 4439278366Sadrian memset(&node, 0, sizeof node); 4440278366Sadrian node.id = wn->id; 4441278366Sadrian node.control = WPI_NODE_UPDATE; 4442278366Sadrian node.flags = WPI_FLAG_KEY_SET; 4443280088Sadrian node.kflags = htole16(kflags); 4444280088Sadrianagain: 4445280088Sadrian DPRINTF(sc, WPI_DEBUG_KEY, "%s: deleting %s key %d for node %d (%s)\n", 4446280088Sadrian __func__, (kflags & WPI_KFLAG_MULTICAST) ? "group" : "ucast", 4447280088Sadrian k->wk_keyix, node.id, ether_sprintf(ni->ni_macaddr)); 4448173362Sbenjsc 4449280088Sadrian error = wpi_cmd(sc, WPI_CMD_ADD_NODE, &node, sizeof node, 1); 4450280088Sadrian if (error != 0) { 4451280088Sadrian device_printf(sc->sc_dev, "can't update node info, error %d\n", 4452280088Sadrian error); 4453280088Sadrian return !error; 4454280088Sadrian } 4455173362Sbenjsc 4456280088Sadrian if (!(kflags & WPI_KFLAG_MULTICAST) && &vap->iv_nw_keys[0] <= k && 4457280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4458280088Sadrian kflags |= WPI_KFLAG_MULTICAST; 4459280088Sadrian node.kflags = htole16(kflags); 4460280088Sadrian 4461280088Sadrian goto again; 4462280088Sadrian } 4463280088Sadrian 4464278366Sadrian return 1; 4465173362Sbenjsc} 4466173362Sbenjsc 4467280088Sadrianstatic void 4468280088Sadrianwpi_del_key_cb(void *arg, struct ieee80211_node *ni) 4469280088Sadrian{ 4470280088Sadrian const struct ieee80211_key *k = arg; 4471280088Sadrian struct ieee80211vap *vap = ni->ni_vap; 4472280088Sadrian struct wpi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 4473280088Sadrian struct wpi_node *wn = WPI_NODE(ni); 4474280088Sadrian int error; 4475280088Sadrian 4476280088Sadrian if (vap->iv_bss == ni && wn->id == WPI_ID_UNDEFINED) 4477280088Sadrian return; 4478280088Sadrian 4479280088Sadrian WPI_NT_LOCK(sc); 4480280088Sadrian error = wpi_del_key(ni, k); 4481280088Sadrian WPI_NT_UNLOCK(sc); 4482280088Sadrian 4483280088Sadrian if (error == 0) { 4484280088Sadrian device_printf(sc->sc_dev, "%s: error while deleting key\n", 4485280088Sadrian __func__); 4486280088Sadrian } 4487280088Sadrian} 4488280088Sadrian 4489280088Sadrianstatic int 4490280088Sadrianwpi_process_key(struct ieee80211vap *vap, const struct ieee80211_key *k, 4491280088Sadrian int set) 4492280088Sadrian{ 4493280088Sadrian struct ieee80211com *ic = vap->iv_ic; 4494280088Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 4495280088Sadrian struct wpi_vap *wvp = WPI_VAP(vap); 4496280088Sadrian struct ieee80211_node *ni; 4497280088Sadrian int error, ni_ref = 0; 4498280088Sadrian 4499280088Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4500280088Sadrian 4501280088Sadrian if (k->wk_flags & IEEE80211_KEY_SWCRYPT) { 4502280088Sadrian /* Not for us. */ 4503280088Sadrian return 1; 4504280088Sadrian } 4505280088Sadrian 4506280088Sadrian if (!(k->wk_flags & IEEE80211_KEY_RECV)) { 4507280088Sadrian /* XMIT keys are handled in wpi_tx_data(). */ 4508280088Sadrian return 1; 4509280088Sadrian } 4510280088Sadrian 4511280088Sadrian /* Handle group keys. */ 4512280088Sadrian if (&vap->iv_nw_keys[0] <= k && 4513280088Sadrian k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) { 4514280088Sadrian WPI_NT_LOCK(sc); 4515280088Sadrian if (set) 4516280088Sadrian wvp->wv_gtk |= WPI_VAP_KEY(k->wk_keyix); 4517280088Sadrian else 4518280088Sadrian wvp->wv_gtk &= ~WPI_VAP_KEY(k->wk_keyix); 4519280088Sadrian WPI_NT_UNLOCK(sc); 4520280088Sadrian 4521280088Sadrian if (vap->iv_state == IEEE80211_S_RUN) { 4522280088Sadrian ieee80211_iterate_nodes(&ic->ic_sta, 4523280088Sadrian set ? wpi_load_key_cb : wpi_del_key_cb, (void *)k); 4524280088Sadrian } 4525280088Sadrian 4526280088Sadrian return 1; 4527280088Sadrian } 4528280088Sadrian 4529280088Sadrian switch (vap->iv_opmode) { 4530280088Sadrian case IEEE80211_M_STA: 4531280088Sadrian ni = vap->iv_bss; 4532280088Sadrian break; 4533280088Sadrian 4534280088Sadrian case IEEE80211_M_IBSS: 4535280088Sadrian case IEEE80211_M_AHDEMO: 4536280088Sadrian ni = ieee80211_find_vap_node(&ic->ic_sta, vap, k->wk_macaddr); 4537280088Sadrian if (ni == NULL) 4538280088Sadrian return 0; /* should not happen */ 4539280088Sadrian 4540280088Sadrian ni_ref = 1; 4541280088Sadrian break; 4542280088Sadrian 4543280088Sadrian default: 4544280088Sadrian device_printf(sc->sc_dev, "%s: unknown opmode %d\n", __func__, 4545280088Sadrian vap->iv_opmode); 4546280088Sadrian return 0; 4547280088Sadrian } 4548280088Sadrian 4549280088Sadrian WPI_NT_LOCK(sc); 4550280088Sadrian if (set) 4551280088Sadrian error = wpi_load_key(ni, k); 4552280088Sadrian else 4553280088Sadrian error = wpi_del_key(ni, k); 4554280088Sadrian WPI_NT_UNLOCK(sc); 4555280088Sadrian 4556280088Sadrian if (ni_ref) 4557280088Sadrian ieee80211_node_decref(ni); 4558280088Sadrian 4559280088Sadrian return error; 4560280088Sadrian} 4561280088Sadrian 4562280088Sadrianstatic int 4563280088Sadrianwpi_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k, 4564280088Sadrian const uint8_t mac[IEEE80211_ADDR_LEN]) 4565280088Sadrian{ 4566280088Sadrian return wpi_process_key(vap, k, 1); 4567280088Sadrian} 4568280088Sadrian 4569280088Sadrianstatic int 4570280088Sadrianwpi_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 4571280088Sadrian{ 4572280088Sadrian return wpi_process_key(vap, k, 0); 4573280088Sadrian} 4574280088Sadrian 4575278366Sadrian/* 4576278366Sadrian * This function is called after the runtime firmware notifies us of its 4577278366Sadrian * readiness (called in a process context). 4578278366Sadrian */ 4579278366Sadrianstatic int 4580278366Sadrianwpi_post_alive(struct wpi_softc *sc) 4581177043Sthompsa{ 4582278366Sadrian int ntries, error; 4583177043Sthompsa 4584278366Sadrian /* Check (again) that the radio is not disabled. */ 4585278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4586278366Sadrian return error; 4587177043Sthompsa 4588278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4589278366Sadrian 4590278366Sadrian /* NB: Runtime firmware must be up and running. */ 4591278366Sadrian if (!(wpi_prph_read(sc, WPI_APMG_RFKILL) & 1)) { 4592278366Sadrian device_printf(sc->sc_dev, 4593278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 4594278366Sadrian wpi_nic_unlock(sc); 4595278366Sadrian return EPERM; /* :-) */ 4596278366Sadrian } 4597278366Sadrian wpi_nic_unlock(sc); 4598278366Sadrian 4599278366Sadrian /* Wait for thermal sensor to calibrate. */ 4600177043Sthompsa for (ntries = 0; ntries < 1000; ntries++) { 4601278366Sadrian if ((sc->temp = (int)WPI_READ(sc, WPI_UCODE_GP2)) != 0) 4602177043Sthompsa break; 4603177043Sthompsa DELAY(10); 4604177043Sthompsa } 4605177043Sthompsa 4606177043Sthompsa if (ntries == 1000) { 4607177043Sthompsa device_printf(sc->sc_dev, 4608278366Sadrian "timeout waiting for thermal sensor calibration\n"); 4609280059Sadrian return ETIMEDOUT; 4610280059Sadrian } 4611177043Sthompsa 4612280059Sadrian DPRINTF(sc, WPI_DEBUG_TEMP, "temperature %d\n", sc->temp); 4613280059Sadrian return 0; 4614278366Sadrian} 4615177043Sthompsa 4616278366Sadrian/* 4617278366Sadrian * The firmware boot code is small and is intended to be copied directly into 4618278366Sadrian * the NIC internal memory (no DMA transfer). 4619278366Sadrian */ 4620278366Sadrianstatic int 4621278366Sadrianwpi_load_bootcode(struct wpi_softc *sc, const uint8_t *ucode, int size) 4622278366Sadrian{ 4623278366Sadrian int error, ntries; 4624177043Sthompsa 4625278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, "Loading microcode size 0x%x\n", size); 4626278366Sadrian 4627278366Sadrian size /= sizeof (uint32_t); 4628278366Sadrian 4629278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4630278366Sadrian return error; 4631278366Sadrian 4632278366Sadrian /* Copy microcode image into NIC memory. */ 4633278366Sadrian wpi_prph_write_region_4(sc, WPI_BSM_SRAM_BASE, 4634278366Sadrian (const uint32_t *)ucode, size); 4635278366Sadrian 4636278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_SRC, 0); 4637278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_MEM_DST, WPI_FW_TEXT_BASE); 4638278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_DWCOUNT, size); 4639278366Sadrian 4640278366Sadrian /* Start boot load now. */ 4641278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START); 4642278366Sadrian 4643278366Sadrian /* Wait for transfer to complete. */ 4644278366Sadrian for (ntries = 0; ntries < 1000; ntries++) { 4645278366Sadrian uint32_t status = WPI_READ(sc, WPI_FH_TX_STATUS); 4646278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4647278366Sadrian "firmware status=0x%x, val=0x%x, result=0x%x\n", status, 4648278366Sadrian WPI_FH_TX_STATUS_IDLE(6), 4649278366Sadrian status & WPI_FH_TX_STATUS_IDLE(6)); 4650278366Sadrian if (status & WPI_FH_TX_STATUS_IDLE(6)) { 4651278366Sadrian DPRINTF(sc, WPI_DEBUG_HW, 4652278366Sadrian "Status Match! - ntries = %d\n", ntries); 4653278366Sadrian break; 4654178354Ssam } 4655278366Sadrian DELAY(10); 4656177043Sthompsa } 4657278366Sadrian if (ntries == 1000) { 4658278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4659278366Sadrian __func__); 4660278366Sadrian wpi_nic_unlock(sc); 4661278366Sadrian return ETIMEDOUT; 4662278366Sadrian } 4663177043Sthompsa 4664278366Sadrian /* Enable boot after power up. */ 4665278366Sadrian wpi_prph_write(sc, WPI_BSM_WR_CTRL, WPI_BSM_WR_CTRL_START_EN); 4666278366Sadrian 4667278366Sadrian wpi_nic_unlock(sc); 4668278366Sadrian return 0; 4669177043Sthompsa} 4670177043Sthompsa 4671278366Sadrianstatic int 4672278366Sadrianwpi_load_firmware(struct wpi_softc *sc) 4673177043Sthompsa{ 4674278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4675278366Sadrian struct wpi_dma_info *dma = &sc->fw_dma; 4676278366Sadrian int error; 4677173362Sbenjsc 4678278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4679173362Sbenjsc 4680278366Sadrian /* Copy initialization sections into pre-allocated DMA-safe memory. */ 4681278366Sadrian memcpy(dma->vaddr, fw->init.data, fw->init.datasz); 4682278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4683278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->init.text, fw->init.textsz); 4684278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4685173362Sbenjsc 4686278366Sadrian /* Tell adapter where to find initialization sections. */ 4687278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4688278366Sadrian return error; 4689278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4690278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->init.datasz); 4691278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4692278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4693278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, fw->init.textsz); 4694278366Sadrian wpi_nic_unlock(sc); 4695173362Sbenjsc 4696278366Sadrian /* Load firmware boot code. */ 4697278366Sadrian error = wpi_load_bootcode(sc, fw->boot.text, fw->boot.textsz); 4698278366Sadrian if (error != 0) { 4699278366Sadrian device_printf(sc->sc_dev, "%s: could not load boot firmware\n", 4700278366Sadrian __func__); 4701278366Sadrian return error; 4702278366Sadrian } 4703173362Sbenjsc 4704278366Sadrian /* Now press "execute". */ 4705278366Sadrian WPI_WRITE(sc, WPI_RESET, 0); 4706173362Sbenjsc 4707278366Sadrian /* Wait at most one second for first alive notification. */ 4708280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 4709278366Sadrian device_printf(sc->sc_dev, 4710278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 4711278366Sadrian __func__, error); 4712278366Sadrian return error; 4713173362Sbenjsc } 4714173362Sbenjsc 4715278366Sadrian /* Copy runtime sections into pre-allocated DMA-safe memory. */ 4716278366Sadrian memcpy(dma->vaddr, fw->main.data, fw->main.datasz); 4717278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4718278366Sadrian memcpy(dma->vaddr + WPI_FW_DATA_MAXSZ, fw->main.text, fw->main.textsz); 4719278366Sadrian bus_dmamap_sync(dma->tag, dma->map, BUS_DMASYNC_PREWRITE); 4720173362Sbenjsc 4721278366Sadrian /* Tell adapter where to find runtime sections. */ 4722278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4723278366Sadrian return error; 4724278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_ADDR, dma->paddr); 4725278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_DATA_SIZE, fw->main.datasz); 4726278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_ADDR, 4727278366Sadrian dma->paddr + WPI_FW_DATA_MAXSZ); 4728278366Sadrian wpi_prph_write(sc, WPI_BSM_DRAM_TEXT_SIZE, 4729278366Sadrian WPI_FW_UPDATED | fw->main.textsz); 4730278366Sadrian wpi_nic_unlock(sc); 4731173362Sbenjsc 4732278366Sadrian return 0; 4733278366Sadrian} 4734173362Sbenjsc 4735278366Sadrianstatic int 4736278366Sadrianwpi_read_firmware(struct wpi_softc *sc) 4737278366Sadrian{ 4738278366Sadrian const struct firmware *fp; 4739278366Sadrian struct wpi_fw_info *fw = &sc->fw; 4740278366Sadrian const struct wpi_firmware_hdr *hdr; 4741278366Sadrian int error; 4742173362Sbenjsc 4743278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4744278366Sadrian 4745278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4746278366Sadrian "Attempting Loading Firmware from %s module\n", WPI_FW_NAME); 4747278366Sadrian 4748278366Sadrian WPI_UNLOCK(sc); 4749278366Sadrian fp = firmware_get(WPI_FW_NAME); 4750278366Sadrian WPI_LOCK(sc); 4751278366Sadrian 4752278366Sadrian if (fp == NULL) { 4753278366Sadrian device_printf(sc->sc_dev, 4754278366Sadrian "could not load firmware image '%s'\n", WPI_FW_NAME); 4755278366Sadrian return EINVAL; 4756173362Sbenjsc } 4757173362Sbenjsc 4758278366Sadrian sc->fw_fp = fp; 4759173362Sbenjsc 4760278366Sadrian if (fp->datasize < sizeof (struct wpi_firmware_hdr)) { 4761278366Sadrian device_printf(sc->sc_dev, 4762278366Sadrian "firmware file too short: %zu bytes\n", fp->datasize); 4763278366Sadrian error = EINVAL; 4764278366Sadrian goto fail; 4765173362Sbenjsc } 4766173362Sbenjsc 4767278366Sadrian fw->size = fp->datasize; 4768278366Sadrian fw->data = (const uint8_t *)fp->data; 4769278366Sadrian 4770278366Sadrian /* Extract firmware header information. */ 4771278366Sadrian hdr = (const struct wpi_firmware_hdr *)fw->data; 4772278366Sadrian 4773278366Sadrian /* | RUNTIME FIRMWARE | INIT FIRMWARE | BOOT FW | 4774278366Sadrian |HDR|<--TEXT-->|<--DATA-->|<--TEXT-->|<--DATA-->|<--TEXT-->| */ 4775278366Sadrian 4776278366Sadrian fw->main.textsz = le32toh(hdr->rtextsz); 4777278366Sadrian fw->main.datasz = le32toh(hdr->rdatasz); 4778278366Sadrian fw->init.textsz = le32toh(hdr->itextsz); 4779278366Sadrian fw->init.datasz = le32toh(hdr->idatasz); 4780278366Sadrian fw->boot.textsz = le32toh(hdr->btextsz); 4781278366Sadrian fw->boot.datasz = 0; 4782278366Sadrian 4783278366Sadrian /* Sanity-check firmware header. */ 4784278366Sadrian if (fw->main.textsz > WPI_FW_TEXT_MAXSZ || 4785278366Sadrian fw->main.datasz > WPI_FW_DATA_MAXSZ || 4786278366Sadrian fw->init.textsz > WPI_FW_TEXT_MAXSZ || 4787278366Sadrian fw->init.datasz > WPI_FW_DATA_MAXSZ || 4788278366Sadrian fw->boot.textsz > WPI_FW_BOOT_TEXT_MAXSZ || 4789278366Sadrian (fw->boot.textsz & 3) != 0) { 4790278366Sadrian device_printf(sc->sc_dev, "invalid firmware header\n"); 4791278366Sadrian error = EINVAL; 4792278366Sadrian goto fail; 4793173362Sbenjsc } 4794173362Sbenjsc 4795278366Sadrian /* Check that all firmware sections fit. */ 4796278366Sadrian if (fw->size < sizeof (*hdr) + fw->main.textsz + fw->main.datasz + 4797278366Sadrian fw->init.textsz + fw->init.datasz + fw->boot.textsz) { 4798173362Sbenjsc device_printf(sc->sc_dev, 4799278366Sadrian "firmware file too short: %zu bytes\n", fw->size); 4800278366Sadrian error = EINVAL; 4801278366Sadrian goto fail; 4802173362Sbenjsc } 4803173362Sbenjsc 4804278366Sadrian /* Get pointers to firmware sections. */ 4805278366Sadrian fw->main.text = (const uint8_t *)(hdr + 1); 4806278366Sadrian fw->main.data = fw->main.text + fw->main.textsz; 4807278366Sadrian fw->init.text = fw->main.data + fw->main.datasz; 4808278366Sadrian fw->init.data = fw->init.text + fw->init.textsz; 4809278366Sadrian fw->boot.text = fw->init.data + fw->init.datasz; 4810177043Sthompsa 4811278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, 4812278366Sadrian "Firmware Version: Major %d, Minor %d, Driver %d, \n" 4813280066Sadrian "runtime (text: %u, data: %u) init (text: %u, data %u) " 4814280066Sadrian "boot (text %u)\n", hdr->major, hdr->minor, le32toh(hdr->driver), 4815278366Sadrian fw->main.textsz, fw->main.datasz, 4816278366Sadrian fw->init.textsz, fw->init.datasz, fw->boot.textsz); 4817278366Sadrian 4818278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.text %p\n", fw->main.text); 4819278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->main.data %p\n", fw->main.data); 4820278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.text %p\n", fw->init.text); 4821278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->init.data %p\n", fw->init.data); 4822278366Sadrian DPRINTF(sc, WPI_DEBUG_FIRMWARE, "fw->boot.text %p\n", fw->boot.text); 4823278366Sadrian 4824278366Sadrian return 0; 4825278366Sadrian 4826278366Sadrianfail: wpi_unload_firmware(sc); 4827278366Sadrian return error; 4828173362Sbenjsc} 4829173362Sbenjsc 4830278366Sadrian/** 4831278366Sadrian * Free the referenced firmware image 4832278366Sadrian */ 4833173362Sbenjscstatic void 4834278366Sadrianwpi_unload_firmware(struct wpi_softc *sc) 4835173362Sbenjsc{ 4836278366Sadrian if (sc->fw_fp != NULL) { 4837278366Sadrian firmware_put(sc->fw_fp, FIRMWARE_UNLOAD); 4838278366Sadrian sc->fw_fp = NULL; 4839278366Sadrian } 4840278366Sadrian} 4841173362Sbenjsc 4842278366Sadrianstatic int 4843278366Sadrianwpi_clock_wait(struct wpi_softc *sc) 4844278366Sadrian{ 4845278366Sadrian int ntries; 4846173362Sbenjsc 4847278366Sadrian /* Set "initialization complete" bit. */ 4848278366Sadrian WPI_SETBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4849278366Sadrian 4850278366Sadrian /* Wait for clock stabilization. */ 4851278366Sadrian for (ntries = 0; ntries < 2500; ntries++) { 4852278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_MAC_CLOCK_READY) 4853278366Sadrian return 0; 4854278366Sadrian DELAY(100); 4855278366Sadrian } 4856278366Sadrian device_printf(sc->sc_dev, 4857278366Sadrian "%s: timeout waiting for clock stabilization\n", __func__); 4858278366Sadrian 4859278366Sadrian return ETIMEDOUT; 4860173362Sbenjsc} 4861178354Ssam 4862278366Sadrianstatic int 4863278366Sadrianwpi_apm_init(struct wpi_softc *sc) 4864173362Sbenjsc{ 4865278366Sadrian uint32_t reg; 4866278366Sadrian int error; 4867173362Sbenjsc 4868278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4869173362Sbenjsc 4870278366Sadrian /* Disable L0s exit timer (NMI bug workaround). */ 4871278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_DIS_L0S_TIMER); 4872278366Sadrian /* Don't wait for ICH L0s (ICH bug workaround). */ 4873278366Sadrian WPI_SETBITS(sc, WPI_GIO_CHICKEN, WPI_GIO_CHICKEN_L1A_NO_L0S_RX); 4874173362Sbenjsc 4875278366Sadrian /* Set FH wait threshold to max (HW bug under stress workaround). */ 4876278366Sadrian WPI_SETBITS(sc, WPI_DBG_HPET_MEM, 0xffff0000); 4877173362Sbenjsc 4878278366Sadrian /* Retrieve PCIe Active State Power Management (ASPM). */ 4879278366Sadrian reg = pci_read_config(sc->sc_dev, sc->sc_cap_off + 0x10, 1); 4880278366Sadrian /* Workaround for HW instability in PCIe L0->L0s->L1 transition. */ 4881278366Sadrian if (reg & 0x02) /* L1 Entry enabled. */ 4882278366Sadrian WPI_SETBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4883278366Sadrian else 4884278366Sadrian WPI_CLRBITS(sc, WPI_GIO, WPI_GIO_L0S_ENA); 4885173362Sbenjsc 4886278366Sadrian WPI_SETBITS(sc, WPI_ANA_PLL, WPI_ANA_PLL_INIT); 4887173362Sbenjsc 4888278366Sadrian /* Wait for clock stabilization before accessing prph. */ 4889278366Sadrian if ((error = wpi_clock_wait(sc)) != 0) 4890278366Sadrian return error; 4891173362Sbenjsc 4892278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4893278366Sadrian return error; 4894278366Sadrian /* Enable DMA and BSM (Bootstrap State Machine). */ 4895278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_EN, 4896278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT | WPI_APMG_CLK_CTRL_BSM_CLK_RQT); 4897278366Sadrian DELAY(20); 4898278366Sadrian /* Disable L1-Active. */ 4899278366Sadrian wpi_prph_setbits(sc, WPI_APMG_PCI_STT, WPI_APMG_PCI_STT_L1A_DIS); 4900278764Sadrian /* ??? */ 4901278764Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, 0x00000E00); 4902278366Sadrian wpi_nic_unlock(sc); 4903173362Sbenjsc 4904278366Sadrian return 0; 4905278366Sadrian} 4906173362Sbenjsc 4907278366Sadrianstatic void 4908278366Sadrianwpi_apm_stop_master(struct wpi_softc *sc) 4909278366Sadrian{ 4910278366Sadrian int ntries; 4911278366Sadrian 4912278366Sadrian /* Stop busmaster DMA activity. */ 4913278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_STOP_MASTER); 4914278366Sadrian 4915278366Sadrian if ((WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_PS_MASK) == 4916278366Sadrian WPI_GP_CNTRL_MAC_PS) 4917278366Sadrian return; /* Already asleep. */ 4918278366Sadrian 4919278366Sadrian for (ntries = 0; ntries < 100; ntries++) { 4920278366Sadrian if (WPI_READ(sc, WPI_RESET) & WPI_RESET_MASTER_DISABLED) 4921278366Sadrian return; 4922278366Sadrian DELAY(10); 4923278366Sadrian } 4924280066Sadrian device_printf(sc->sc_dev, "%s: timeout waiting for master\n", 4925280066Sadrian __func__); 4926173362Sbenjsc} 4927173362Sbenjsc 4928173362Sbenjscstatic void 4929278366Sadrianwpi_apm_stop(struct wpi_softc *sc) 4930173362Sbenjsc{ 4931278366Sadrian wpi_apm_stop_master(sc); 4932278366Sadrian 4933278366Sadrian /* Reset the entire device. */ 4934278366Sadrian WPI_SETBITS(sc, WPI_RESET, WPI_RESET_SW); 4935278366Sadrian DELAY(10); 4936278366Sadrian /* Clear "initialization complete" bit. */ 4937278366Sadrian WPI_CLRBITS(sc, WPI_GP_CNTRL, WPI_GP_CNTRL_INIT_DONE); 4938173362Sbenjsc} 4939173362Sbenjsc 4940173362Sbenjscstatic void 4941278366Sadrianwpi_nic_config(struct wpi_softc *sc) 4942173362Sbenjsc{ 4943278366Sadrian uint32_t rev; 4944173362Sbenjsc 4945278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 4946177043Sthompsa 4947278366Sadrian /* voodoo from the Linux "driver".. */ 4948278366Sadrian rev = pci_read_config(sc->sc_dev, PCIR_REVID, 1); 4949278366Sadrian if ((rev & 0xc0) == 0x40) 4950278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MB); 4951278366Sadrian else if (!(rev & 0x80)) 4952278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_ALM_MM); 4953173362Sbenjsc 4954278366Sadrian if (sc->cap == 0x80) 4955278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_SKU_MRC); 4956173362Sbenjsc 4957280076Sadrian if ((sc->rev & 0xf0) == 0xd0) 4958278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4959278366Sadrian else 4960278366Sadrian WPI_CLRBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_REV_D); 4961278366Sadrian 4962278366Sadrian if (sc->type > 1) 4963278366Sadrian WPI_SETBITS(sc, WPI_HW_IF_CONFIG, WPI_HW_IF_CONFIG_TYPE_B); 4964173362Sbenjsc} 4965173362Sbenjsc 4966278366Sadrianstatic int 4967278366Sadrianwpi_hw_init(struct wpi_softc *sc) 4968173362Sbenjsc{ 4969278366Sadrian int chnl, ntries, error; 4970178354Ssam 4971278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 4972278366Sadrian 4973278366Sadrian /* Clear pending interrupts. */ 4974278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 4975278366Sadrian 4976278366Sadrian if ((error = wpi_apm_init(sc)) != 0) { 4977278366Sadrian device_printf(sc->sc_dev, 4978278366Sadrian "%s: could not power ON adapter, error %d\n", __func__, 4979278366Sadrian error); 4980278366Sadrian return error; 4981173362Sbenjsc } 4982173362Sbenjsc 4983278366Sadrian /* Select VMAIN power source. */ 4984278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 4985278366Sadrian return error; 4986278366Sadrian wpi_prph_clrbits(sc, WPI_APMG_PS, WPI_APMG_PS_PWR_SRC_MASK); 4987278366Sadrian wpi_nic_unlock(sc); 4988278366Sadrian /* Spin until VMAIN gets selected. */ 4989278366Sadrian for (ntries = 0; ntries < 5000; ntries++) { 4990278366Sadrian if (WPI_READ(sc, WPI_GPIO_IN) & WPI_GPIO_IN_VMAIN) 4991278366Sadrian break; 4992278366Sadrian DELAY(10); 4993278366Sadrian } 4994278366Sadrian if (ntries == 5000) { 4995278366Sadrian device_printf(sc->sc_dev, "timeout selecting power source\n"); 4996278366Sadrian return ETIMEDOUT; 4997278366Sadrian } 4998173362Sbenjsc 4999278366Sadrian /* Perform adapter initialization. */ 5000278366Sadrian wpi_nic_config(sc); 5001173362Sbenjsc 5002278366Sadrian /* Initialize RX ring. */ 5003278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5004278366Sadrian return error; 5005278366Sadrian /* Set physical address of RX ring. */ 5006278366Sadrian WPI_WRITE(sc, WPI_FH_RX_BASE, sc->rxq.desc_dma.paddr); 5007278366Sadrian /* Set physical address of RX read pointer. */ 5008278366Sadrian WPI_WRITE(sc, WPI_FH_RX_RPTR_ADDR, sc->shared_dma.paddr + 5009278366Sadrian offsetof(struct wpi_shared, next)); 5010278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, 0); 5011278366Sadrian /* Enable RX. */ 5012278366Sadrian WPI_WRITE(sc, WPI_FH_RX_CONFIG, 5013278366Sadrian WPI_FH_RX_CONFIG_DMA_ENA | 5014278366Sadrian WPI_FH_RX_CONFIG_RDRBD_ENA | 5015278366Sadrian WPI_FH_RX_CONFIG_WRSTATUS_ENA | 5016278366Sadrian WPI_FH_RX_CONFIG_MAXFRAG | 5017278366Sadrian WPI_FH_RX_CONFIG_NRBD(WPI_RX_RING_COUNT_LOG) | 5018278366Sadrian WPI_FH_RX_CONFIG_IRQ_DST_HOST | 5019278366Sadrian WPI_FH_RX_CONFIG_IRQ_TIMEOUT(1)); 5020278366Sadrian (void)WPI_READ(sc, WPI_FH_RSSR_TBL); /* barrier */ 5021278366Sadrian wpi_nic_unlock(sc); 5022278366Sadrian WPI_WRITE(sc, WPI_FH_RX_WPTR, (WPI_RX_RING_COUNT - 1) & ~7); 5023173362Sbenjsc 5024278366Sadrian /* Initialize TX rings. */ 5025278366Sadrian if ((error = wpi_nic_lock(sc)) != 0) 5026278366Sadrian return error; 5027278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 2); /* bypass mode */ 5028278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_ARASTAT, 1); /* enable RA0 */ 5029278366Sadrian /* Enable all 6 TX rings. */ 5030278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0x3f); 5031278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE1, 0x10000); 5032278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_SBYPASS_MODE2, 0x30002); 5033278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF4MF, 4); 5034278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXF5MF, 5); 5035278366Sadrian /* Set physical address of TX rings. */ 5036278366Sadrian WPI_WRITE(sc, WPI_FH_TX_BASE, sc->shared_dma.paddr); 5037278366Sadrian WPI_WRITE(sc, WPI_FH_MSG_CONFIG, 0xffff05a5); 5038278366Sadrian 5039278366Sadrian /* Enable all DMA channels. */ 5040278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 5041278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_CTRL(chnl), 0); 5042278366Sadrian WPI_WRITE(sc, WPI_FH_CBBC_BASE(chnl), 0); 5043278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0x80200008); 5044173362Sbenjsc } 5045278366Sadrian wpi_nic_unlock(sc); 5046278366Sadrian (void)WPI_READ(sc, WPI_FH_TX_BASE); /* barrier */ 5047278366Sadrian 5048278366Sadrian /* Clear "radio off" and "commands blocked" bits. */ 5049278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5050278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_CMD_BLOCKED); 5051278366Sadrian 5052278366Sadrian /* Clear pending interrupts. */ 5053278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5054278366Sadrian /* Enable interrupts. */ 5055278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, WPI_INT_MASK_DEF); 5056278366Sadrian 5057278366Sadrian /* _Really_ make sure "radio off" bit is cleared! */ 5058278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5059278366Sadrian WPI_WRITE(sc, WPI_UCODE_GP1_CLR, WPI_UCODE_GP1_RFKILL); 5060278366Sadrian 5061278366Sadrian if ((error = wpi_load_firmware(sc)) != 0) { 5062278366Sadrian device_printf(sc->sc_dev, 5063278366Sadrian "%s: could not load firmware, error %d\n", __func__, 5064278366Sadrian error); 5065278366Sadrian return error; 5066278366Sadrian } 5067278366Sadrian /* Wait at most one second for firmware alive notification. */ 5068280062Sadrian if ((error = mtx_sleep(sc, &sc->sc_mtx, PCATCH, "wpiinit", hz)) != 0) { 5069278366Sadrian device_printf(sc->sc_dev, 5070278366Sadrian "%s: timeout waiting for adapter to initialize, error %d\n", 5071278366Sadrian __func__, error); 5072278366Sadrian return error; 5073278366Sadrian } 5074278366Sadrian 5075278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 5076278366Sadrian 5077278366Sadrian /* Do post-firmware initialization. */ 5078278366Sadrian return wpi_post_alive(sc); 5079173362Sbenjsc} 5080173362Sbenjsc 5081173362Sbenjscstatic void 5082278366Sadrianwpi_hw_stop(struct wpi_softc *sc) 5083173362Sbenjsc{ 5084278366Sadrian int chnl, qid, ntries; 5085173362Sbenjsc 5086278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5087173362Sbenjsc 5088278366Sadrian if (WPI_READ(sc, WPI_UCODE_GP1) & WPI_UCODE_GP1_MAC_SLEEP) 5089278366Sadrian wpi_nic_lock(sc); 5090173362Sbenjsc 5091278366Sadrian WPI_WRITE(sc, WPI_RESET, WPI_RESET_NEVO); 5092173362Sbenjsc 5093278366Sadrian /* Disable interrupts. */ 5094278366Sadrian WPI_WRITE(sc, WPI_INT_MASK, 0); 5095278366Sadrian WPI_WRITE(sc, WPI_INT, 0xffffffff); 5096278366Sadrian WPI_WRITE(sc, WPI_FH_INT, 0xffffffff); 5097173362Sbenjsc 5098278366Sadrian /* Make sure we no longer hold the NIC lock. */ 5099278366Sadrian wpi_nic_unlock(sc); 5100173362Sbenjsc 5101278366Sadrian if (wpi_nic_lock(sc) == 0) { 5102278366Sadrian /* Stop TX scheduler. */ 5103278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_MODE, 0); 5104278366Sadrian wpi_prph_write(sc, WPI_ALM_SCHED_TXFACT, 0); 5105179957Sthompsa 5106278366Sadrian /* Stop all DMA channels. */ 5107278366Sadrian for (chnl = 0; chnl < WPI_NDMACHNLS; chnl++) { 5108278366Sadrian WPI_WRITE(sc, WPI_FH_TX_CONFIG(chnl), 0); 5109278366Sadrian for (ntries = 0; ntries < 200; ntries++) { 5110278366Sadrian if (WPI_READ(sc, WPI_FH_TX_STATUS) & 5111278366Sadrian WPI_FH_TX_STATUS_IDLE(chnl)) 5112278366Sadrian break; 5113278366Sadrian DELAY(10); 5114278366Sadrian } 5115173362Sbenjsc } 5116278366Sadrian wpi_nic_unlock(sc); 5117278366Sadrian } 5118173362Sbenjsc 5119278366Sadrian /* Stop RX ring. */ 5120278366Sadrian wpi_reset_rx_ring(sc); 5121173362Sbenjsc 5122278366Sadrian /* Reset all TX rings. */ 5123278366Sadrian for (qid = 0; qid < WPI_NTXQUEUES; qid++) 5124278366Sadrian wpi_reset_tx_ring(sc, &sc->txq[qid]); 5125173362Sbenjsc 5126278366Sadrian if (wpi_nic_lock(sc) == 0) { 5127278366Sadrian wpi_prph_write(sc, WPI_APMG_CLK_DIS, 5128278366Sadrian WPI_APMG_CLK_CTRL_DMA_CLK_RQT); 5129278366Sadrian wpi_nic_unlock(sc); 5130173362Sbenjsc } 5131278366Sadrian DELAY(5); 5132278366Sadrian /* Power OFF adapter. */ 5133278366Sadrian wpi_apm_stop(sc); 5134173362Sbenjsc} 5135173362Sbenjsc 5136173362Sbenjscstatic void 5137278366Sadrianwpi_radio_on(void *arg0, int pending) 5138173362Sbenjsc{ 5139278366Sadrian struct wpi_softc *sc = arg0; 5140278366Sadrian struct ifnet *ifp = sc->sc_ifp; 5141278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 5142278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5143173362Sbenjsc 5144278366Sadrian device_printf(sc->sc_dev, "RF switch: radio enabled\n"); 5145173362Sbenjsc 5146278366Sadrian if (vap != NULL) { 5147278366Sadrian wpi_init(sc); 5148278366Sadrian ieee80211_init(vap); 5149278366Sadrian } 5150173362Sbenjsc 5151278366Sadrian if (WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL) { 5152278366Sadrian WPI_LOCK(sc); 5153278366Sadrian callout_stop(&sc->watchdog_rfkill); 5154278366Sadrian WPI_UNLOCK(sc); 5155173362Sbenjsc } 5156173362Sbenjsc} 5157173362Sbenjsc 5158278366Sadrianstatic void 5159278366Sadrianwpi_radio_off(void *arg0, int pending) 5160173362Sbenjsc{ 5161278366Sadrian struct wpi_softc *sc = arg0; 5162178354Ssam struct ifnet *ifp = sc->sc_ifp; 5163178354Ssam struct ieee80211com *ic = ifp->if_l2com; 5164278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5165173362Sbenjsc 5166278366Sadrian device_printf(sc->sc_dev, "RF switch: radio disabled\n"); 5167173362Sbenjsc 5168278366Sadrian wpi_stop(sc); 5169278366Sadrian if (vap != NULL) 5170278366Sadrian ieee80211_stop(vap); 5171173362Sbenjsc 5172280053Sadrian WPI_LOCK(sc); 5173278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, sc); 5174280053Sadrian WPI_UNLOCK(sc); 5175278366Sadrian} 5176173362Sbenjsc 5177278366Sadrianstatic void 5178278366Sadrianwpi_init_locked(struct wpi_softc *sc) 5179278366Sadrian{ 5180278366Sadrian struct ifnet *ifp = sc->sc_ifp; 5181278366Sadrian int error; 5182173362Sbenjsc 5183278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__); 5184173362Sbenjsc 5185278366Sadrian WPI_LOCK_ASSERT(sc); 5186278366Sadrian 5187278366Sadrian /* Check that the radio is not disabled by hardware switch. */ 5188278366Sadrian if (!(WPI_READ(sc, WPI_GP_CNTRL) & WPI_GP_CNTRL_RFKILL)) { 5189278366Sadrian device_printf(sc->sc_dev, 5190278366Sadrian "RF switch: radio disabled (%s)\n", __func__); 5191278366Sadrian callout_reset(&sc->watchdog_rfkill, hz, wpi_watchdog_rfkill, 5192278366Sadrian sc); 5193278366Sadrian return; 5194173362Sbenjsc } 5195173362Sbenjsc 5196278366Sadrian /* Read firmware images from the filesystem. */ 5197278366Sadrian if ((error = wpi_read_firmware(sc)) != 0) { 5198278366Sadrian device_printf(sc->sc_dev, 5199278366Sadrian "%s: could not read firmware, error %d\n", __func__, 5200278366Sadrian error); 5201278366Sadrian goto fail; 5202278366Sadrian } 5203173362Sbenjsc 5204278366Sadrian /* Initialize hardware and upload firmware. */ 5205278366Sadrian error = wpi_hw_init(sc); 5206278366Sadrian wpi_unload_firmware(sc); 5207278366Sadrian if (error != 0) { 5208278366Sadrian device_printf(sc->sc_dev, 5209278366Sadrian "%s: could not initialize hardware, error %d\n", __func__, 5210278366Sadrian error); 5211278366Sadrian goto fail; 5212278366Sadrian } 5213173362Sbenjsc 5214278366Sadrian /* Configure adapter now that it is ready. */ 5215280071Sadrian sc->txq_active = 1; 5216278366Sadrian if ((error = wpi_config(sc)) != 0) { 5217278366Sadrian device_printf(sc->sc_dev, 5218278366Sadrian "%s: could not configure device, error %d\n", __func__, 5219278366Sadrian error); 5220278366Sadrian goto fail; 5221278366Sadrian } 5222173362Sbenjsc 5223278366Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 5224278366Sadrian ifp->if_drv_flags |= IFF_DRV_RUNNING; 5225173362Sbenjsc 5226278366Sadrian callout_reset(&sc->watchdog_to, hz, wpi_watchdog, sc); 5227173362Sbenjsc 5228278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__); 5229173362Sbenjsc 5230278366Sadrian return; 5231173362Sbenjsc 5232278366Sadrianfail: wpi_stop_locked(sc); 5233278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__); 5234278366Sadrian} 5235173362Sbenjsc 5236278366Sadrianstatic void 5237278366Sadrianwpi_init(void *arg) 5238278366Sadrian{ 5239278366Sadrian struct wpi_softc *sc = arg; 5240278366Sadrian struct ifnet *ifp = sc->sc_ifp; 5241278366Sadrian struct ieee80211com *ic = ifp->if_l2com; 5242173362Sbenjsc 5243278366Sadrian WPI_LOCK(sc); 5244278366Sadrian wpi_init_locked(sc); 5245278366Sadrian WPI_UNLOCK(sc); 5246173362Sbenjsc 5247278366Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 5248278366Sadrian ieee80211_start_all(ic); 5249278366Sadrian} 5250173362Sbenjsc 5251278366Sadrianstatic void 5252278366Sadrianwpi_stop_locked(struct wpi_softc *sc) 5253278366Sadrian{ 5254278366Sadrian struct ifnet *ifp = sc->sc_ifp; 5255173362Sbenjsc 5256278366Sadrian WPI_LOCK_ASSERT(sc); 5257278366Sadrian 5258280071Sadrian WPI_TXQ_LOCK(sc); 5259280071Sadrian sc->txq_active = 0; 5260280071Sadrian WPI_TXQ_UNLOCK(sc); 5261280071Sadrian 5262278366Sadrian sc->sc_scan_timer = 0; 5263278366Sadrian sc->sc_tx_timer = 0; 5264278366Sadrian callout_stop(&sc->watchdog_to); 5265278366Sadrian callout_stop(&sc->calib_to); 5266278366Sadrian ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 5267278366Sadrian 5268278366Sadrian /* Power OFF hardware. */ 5269278366Sadrian wpi_hw_stop(sc); 5270173362Sbenjsc} 5271173362Sbenjsc 5272278366Sadrianstatic void 5273278366Sadrianwpi_stop(struct wpi_softc *sc) 5274278366Sadrian{ 5275278366Sadrian WPI_LOCK(sc); 5276278366Sadrian wpi_stop_locked(sc); 5277278366Sadrian WPI_UNLOCK(sc); 5278278366Sadrian} 5279278366Sadrian 5280278366Sadrian/* 5281278366Sadrian * Callback from net80211 to start a scan. 5282173362Sbenjsc */ 5283173362Sbenjscstatic void 5284173362Sbenjscwpi_scan_start(struct ieee80211com *ic) 5285173362Sbenjsc{ 5286280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 5287173362Sbenjsc 5288191746Sthompsa wpi_set_led(sc, WPI_LED_LINK, 20, 2); 5289173362Sbenjsc} 5290173362Sbenjsc 5291278366Sadrian/* 5292278366Sadrian * Callback from net80211 to terminate a scan. 5293173362Sbenjsc */ 5294173362Sbenjscstatic void 5295173362Sbenjscwpi_scan_end(struct ieee80211com *ic) 5296173362Sbenjsc{ 5297278366Sadrian struct ifnet *ifp = ic->ic_ifp; 5298278366Sadrian struct wpi_softc *sc = ifp->if_softc; 5299278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5300278366Sadrian 5301280073Sadrian if (vap->iv_state == IEEE80211_S_RUN) 5302278366Sadrian wpi_set_led(sc, WPI_LED_LINK, 0, 1); 5303173362Sbenjsc} 5304173362Sbenjsc 5305173362Sbenjsc/** 5306173362Sbenjsc * Called by the net80211 framework to indicate to the driver 5307173362Sbenjsc * that the channel should be changed 5308173362Sbenjsc */ 5309173362Sbenjscstatic void 5310173362Sbenjscwpi_set_channel(struct ieee80211com *ic) 5311173362Sbenjsc{ 5312278366Sadrian const struct ieee80211_channel *c = ic->ic_curchan; 5313173362Sbenjsc struct ifnet *ifp = ic->ic_ifp; 5314173362Sbenjsc struct wpi_softc *sc = ifp->if_softc; 5315191746Sthompsa int error; 5316173362Sbenjsc 5317278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5318278366Sadrian 5319278366Sadrian WPI_LOCK(sc); 5320278366Sadrian sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq); 5321278366Sadrian sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags); 5322278366Sadrian sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq); 5323278366Sadrian sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags); 5324278366Sadrian 5325177043Sthompsa /* 5326177043Sthompsa * Only need to set the channel in Monitor mode. AP scanning and auth 5327177043Sthompsa * are already taken care of by their respective firmware commands. 5328177043Sthompsa */ 5329191746Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 5330278366Sadrian sc->rxon.chan = ieee80211_chan2ieee(ic, c); 5331278366Sadrian if (IEEE80211_IS_CHAN_2GHZ(c)) { 5332278366Sadrian sc->rxon.flags |= htole32(WPI_RXON_AUTO | 5333278366Sadrian WPI_RXON_24GHZ); 5334278366Sadrian } else { 5335278366Sadrian sc->rxon.flags &= ~htole32(WPI_RXON_AUTO | 5336278366Sadrian WPI_RXON_24GHZ); 5337278366Sadrian } 5338278366Sadrian if ((error = wpi_send_rxon(sc, 0, 0)) != 0) 5339191746Sthompsa device_printf(sc->sc_dev, 5340278366Sadrian "%s: error %d settting channel\n", __func__, 5341278366Sadrian error); 5342191746Sthompsa } 5343278366Sadrian WPI_UNLOCK(sc); 5344173362Sbenjsc} 5345173362Sbenjsc 5346173362Sbenjsc/** 5347173362Sbenjsc * Called by net80211 to indicate that we need to scan the current 5348173362Sbenjsc * channel. The channel is previously be set via the wpi_set_channel 5349173362Sbenjsc * callback. 5350173362Sbenjsc */ 5351173362Sbenjscstatic void 5352178354Ssamwpi_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 5353173362Sbenjsc{ 5354178354Ssam struct ieee80211vap *vap = ss->ss_vap; 5355278366Sadrian struct ieee80211com *ic = vap->iv_ic; 5356280067Sadrian struct wpi_softc *sc = ic->ic_ifp->if_softc; 5357278366Sadrian int error; 5358173362Sbenjsc 5359278366Sadrian if (sc->rxon.chan != ieee80211_chan2ieee(ic, ic->ic_curchan)) { 5360278366Sadrian WPI_LOCK(sc); 5361278366Sadrian error = wpi_scan(sc, ic->ic_curchan); 5362278366Sadrian WPI_UNLOCK(sc); 5363278366Sadrian if (error != 0) 5364278366Sadrian ieee80211_cancel_scan(vap); 5365278366Sadrian } else { 5366278366Sadrian /* Send probe request when associated. */ 5367278366Sadrian sc->sc_scan_curchan(ss, maxdwell); 5368278366Sadrian } 5369173362Sbenjsc} 5370173362Sbenjsc 5371173362Sbenjsc/** 5372173362Sbenjsc * Called by the net80211 framework to indicate 5373173362Sbenjsc * the minimum dwell time has been met, terminate the scan. 5374173362Sbenjsc * We don't actually terminate the scan as the firmware will notify 5375173362Sbenjsc * us when it's finished and we have no way to interrupt it. 5376173362Sbenjsc */ 5377173362Sbenjscstatic void 5378178354Ssamwpi_scan_mindwell(struct ieee80211_scan_state *ss) 5379173362Sbenjsc{ 5380173362Sbenjsc /* NB: don't try to abort scan; wait for firmware to finish */ 5381173362Sbenjsc} 5382173362Sbenjsc 5383173362Sbenjscstatic void 5384278366Sadrianwpi_hw_reset(void *arg, int pending) 5385173362Sbenjsc{ 5386191746Sthompsa struct wpi_softc *sc = arg; 5387177043Sthompsa struct ifnet *ifp = sc->sc_ifp; 5388191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 5389278366Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 5390173362Sbenjsc 5391278366Sadrian DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_DOING, __func__); 5392173362Sbenjsc 5393278366Sadrian wpi_stop(sc); 5394278366Sadrian if (vap != NULL) 5395278366Sadrian ieee80211_stop(vap); 5396278366Sadrian wpi_init(sc); 5397278366Sadrian if (vap != NULL) 5398278366Sadrian ieee80211_init(vap); 5399173362Sbenjsc} 5400