1ceaec73dSDamien Bergamini /*- 2c10b1400SMax Laier * Copyright (c) 2004, 2005 3ceaec73dSDamien Bergamini * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved. 4c10b1400SMax Laier * Copyright (c) 2005-2006 Sam Leffler, Errno Consulting 58d399898SAndrew Thompson * Copyright (c) 2007 Andrew Thompson <thompsa@FreeBSD.org> 6ceaec73dSDamien Bergamini * 7ceaec73dSDamien Bergamini * Redistribution and use in source and binary forms, with or without 8ceaec73dSDamien Bergamini * modification, are permitted provided that the following conditions 9ceaec73dSDamien Bergamini * are met: 10ceaec73dSDamien Bergamini * 1. Redistributions of source code must retain the above copyright 11ceaec73dSDamien Bergamini * notice unmodified, this list of conditions, and the following 12ceaec73dSDamien Bergamini * disclaimer. 13ceaec73dSDamien Bergamini * 2. Redistributions in binary form must reproduce the above copyright 14ceaec73dSDamien Bergamini * notice, this list of conditions and the following disclaimer in the 15ceaec73dSDamien Bergamini * documentation and/or other materials provided with the distribution. 16ceaec73dSDamien Bergamini * 17ceaec73dSDamien Bergamini * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18ceaec73dSDamien Bergamini * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19ceaec73dSDamien Bergamini * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20ceaec73dSDamien Bergamini * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21ceaec73dSDamien Bergamini * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22ceaec73dSDamien Bergamini * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23ceaec73dSDamien Bergamini * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24ceaec73dSDamien Bergamini * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25ceaec73dSDamien Bergamini * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26ceaec73dSDamien Bergamini * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27ceaec73dSDamien Bergamini * SUCH DAMAGE. 28ceaec73dSDamien Bergamini */ 29ceaec73dSDamien Bergamini 30ceaec73dSDamien Bergamini #include <sys/cdefs.h> 31ceaec73dSDamien Bergamini __FBSDID("$FreeBSD$"); 32ceaec73dSDamien Bergamini 33ceaec73dSDamien Bergamini /*- 34ceaec73dSDamien Bergamini * Intel(R) PRO/Wireless 2200BG/2225BG/2915ABG driver 35ceaec73dSDamien Bergamini * http://www.intel.com/network/connectivity/products/wireless/prowireless_mobile.htm 36ceaec73dSDamien Bergamini */ 37ceaec73dSDamien Bergamini 38ceaec73dSDamien Bergamini #include <sys/param.h> 39ceaec73dSDamien Bergamini #include <sys/sysctl.h> 40ceaec73dSDamien Bergamini #include <sys/sockio.h> 41ceaec73dSDamien Bergamini #include <sys/mbuf.h> 42ceaec73dSDamien Bergamini #include <sys/kernel.h> 43ceaec73dSDamien Bergamini #include <sys/socket.h> 44ceaec73dSDamien Bergamini #include <sys/systm.h> 45ceaec73dSDamien Bergamini #include <sys/malloc.h> 46f910c56cSKevin Lo #include <sys/lock.h> 47f910c56cSKevin Lo #include <sys/mutex.h> 48ceaec73dSDamien Bergamini #include <sys/module.h> 49ceaec73dSDamien Bergamini #include <sys/bus.h> 50ceaec73dSDamien Bergamini #include <sys/endian.h> 51c10b1400SMax Laier #include <sys/proc.h> 52c10b1400SMax Laier #include <sys/mount.h> 53c10b1400SMax Laier #include <sys/namei.h> 54bef9529dSDamien Bergamini #include <sys/linker.h> 55bef9529dSDamien Bergamini #include <sys/firmware.h> 56c10b1400SMax Laier #include <sys/taskqueue.h> 57ceaec73dSDamien Bergamini 58ceaec73dSDamien Bergamini #include <machine/bus.h> 59ceaec73dSDamien Bergamini #include <machine/resource.h> 60ceaec73dSDamien Bergamini #include <sys/rman.h> 61ceaec73dSDamien Bergamini 62ceaec73dSDamien Bergamini #include <dev/pci/pcireg.h> 63ceaec73dSDamien Bergamini #include <dev/pci/pcivar.h> 64ceaec73dSDamien Bergamini 65ceaec73dSDamien Bergamini #include <net/bpf.h> 66ceaec73dSDamien Bergamini #include <net/if.h> 6776039bc8SGleb Smirnoff #include <net/if_var.h> 68ceaec73dSDamien Bergamini #include <net/if_arp.h> 69ceaec73dSDamien Bergamini #include <net/ethernet.h> 70ceaec73dSDamien Bergamini #include <net/if_dl.h> 71ceaec73dSDamien Bergamini #include <net/if_media.h> 72ceaec73dSDamien Bergamini #include <net/if_types.h> 73ceaec73dSDamien Bergamini 74ceaec73dSDamien Bergamini #include <net80211/ieee80211_var.h> 75ceaec73dSDamien Bergamini #include <net80211/ieee80211_radiotap.h> 76b032f27cSSam Leffler #include <net80211/ieee80211_input.h> 7768e8e04eSSam Leffler #include <net80211/ieee80211_regdomain.h> 78ceaec73dSDamien Bergamini 79ceaec73dSDamien Bergamini #include <netinet/in.h> 80ceaec73dSDamien Bergamini #include <netinet/in_systm.h> 81ceaec73dSDamien Bergamini #include <netinet/in_var.h> 82ceaec73dSDamien Bergamini #include <netinet/ip.h> 83ceaec73dSDamien Bergamini #include <netinet/if_ether.h> 84ceaec73dSDamien Bergamini 8584f55b29SDamien Bergamini #include <dev/iwi/if_iwireg.h> 86c10b1400SMax Laier #include <dev/iwi/if_iwivar.h> 87*4982d693SAdrian Chadd #include <dev/iwi/if_iwi_ioctl.h> 88ceaec73dSDamien Bergamini 89c10b1400SMax Laier #define IWI_DEBUG 90ceaec73dSDamien Bergamini #ifdef IWI_DEBUG 91ceaec73dSDamien Bergamini #define DPRINTF(x) do { if (iwi_debug > 0) printf x; } while (0) 92ceaec73dSDamien Bergamini #define DPRINTFN(n, x) do { if (iwi_debug >= (n)) printf x; } while (0) 93ceaec73dSDamien Bergamini int iwi_debug = 0; 94ceaec73dSDamien Bergamini SYSCTL_INT(_debug, OID_AUTO, iwi, CTLFLAG_RW, &iwi_debug, 0, "iwi debug level"); 95b032f27cSSam Leffler 96b032f27cSSam Leffler static const char *iwi_fw_states[] = { 97b032f27cSSam Leffler "IDLE", /* IWI_FW_IDLE */ 98b032f27cSSam Leffler "LOADING", /* IWI_FW_LOADING */ 99b032f27cSSam Leffler "ASSOCIATING", /* IWI_FW_ASSOCIATING */ 100b032f27cSSam Leffler "DISASSOCIATING", /* IWI_FW_DISASSOCIATING */ 101b032f27cSSam Leffler "SCANNING", /* IWI_FW_SCANNING */ 102b032f27cSSam Leffler }; 103ceaec73dSDamien Bergamini #else 104ceaec73dSDamien Bergamini #define DPRINTF(x) 105ceaec73dSDamien Bergamini #define DPRINTFN(n, x) 106ceaec73dSDamien Bergamini #endif 107ceaec73dSDamien Bergamini 108ceaec73dSDamien Bergamini MODULE_DEPEND(iwi, pci, 1, 1, 1); 109ceaec73dSDamien Bergamini MODULE_DEPEND(iwi, wlan, 1, 1, 1); 1104f5d0153SDamien Bergamini MODULE_DEPEND(iwi, firmware, 1, 1, 1); 111ceaec73dSDamien Bergamini 112c10b1400SMax Laier enum { 113c10b1400SMax Laier IWI_LED_TX, 114c10b1400SMax Laier IWI_LED_RX, 115c10b1400SMax Laier IWI_LED_POLL, 116c10b1400SMax Laier }; 117c10b1400SMax Laier 118ceaec73dSDamien Bergamini struct iwi_ident { 119ceaec73dSDamien Bergamini uint16_t vendor; 120ceaec73dSDamien Bergamini uint16_t device; 121ceaec73dSDamien Bergamini const char *name; 122ceaec73dSDamien Bergamini }; 123ceaec73dSDamien Bergamini 124ceaec73dSDamien Bergamini static const struct iwi_ident iwi_ident_table[] = { 125ceaec73dSDamien Bergamini { 0x8086, 0x4220, "Intel(R) PRO/Wireless 2200BG" }, 126ceaec73dSDamien Bergamini { 0x8086, 0x4221, "Intel(R) PRO/Wireless 2225BG" }, 127ceaec73dSDamien Bergamini { 0x8086, 0x4223, "Intel(R) PRO/Wireless 2915ABG" }, 128ceaec73dSDamien Bergamini { 0x8086, 0x4224, "Intel(R) PRO/Wireless 2915ABG" }, 129ceaec73dSDamien Bergamini 130ceaec73dSDamien Bergamini { 0, 0, NULL } 131ceaec73dSDamien Bergamini }; 132ceaec73dSDamien Bergamini 133b032f27cSSam Leffler static struct ieee80211vap *iwi_vap_create(struct ieee80211com *, 134fcd9500fSBernhard Schmidt const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 135fcd9500fSBernhard Schmidt const uint8_t [IEEE80211_ADDR_LEN], 136fcd9500fSBernhard Schmidt const uint8_t [IEEE80211_ADDR_LEN]); 137b032f27cSSam Leffler static void iwi_vap_delete(struct ieee80211vap *); 138ceaec73dSDamien Bergamini static void iwi_dma_map_addr(void *, bus_dma_segment_t *, int, int); 139ceaec73dSDamien Bergamini static int iwi_alloc_cmd_ring(struct iwi_softc *, struct iwi_cmd_ring *, 140ceaec73dSDamien Bergamini int); 141ceaec73dSDamien Bergamini static void iwi_reset_cmd_ring(struct iwi_softc *, struct iwi_cmd_ring *); 142ceaec73dSDamien Bergamini static void iwi_free_cmd_ring(struct iwi_softc *, struct iwi_cmd_ring *); 143ceaec73dSDamien Bergamini static int iwi_alloc_tx_ring(struct iwi_softc *, struct iwi_tx_ring *, 144ec01dc2bSDamien Bergamini int, bus_addr_t, bus_addr_t); 145ceaec73dSDamien Bergamini static void iwi_reset_tx_ring(struct iwi_softc *, struct iwi_tx_ring *); 146ceaec73dSDamien Bergamini static void iwi_free_tx_ring(struct iwi_softc *, struct iwi_tx_ring *); 147ceaec73dSDamien Bergamini static int iwi_alloc_rx_ring(struct iwi_softc *, struct iwi_rx_ring *, 148ceaec73dSDamien Bergamini int); 149ceaec73dSDamien Bergamini static void iwi_reset_rx_ring(struct iwi_softc *, struct iwi_rx_ring *); 150ceaec73dSDamien Bergamini static void iwi_free_rx_ring(struct iwi_softc *, struct iwi_rx_ring *); 15138c208f8SSam Leffler static struct ieee80211_node *iwi_node_alloc(struct ieee80211vap *, 15238c208f8SSam Leffler const uint8_t [IEEE80211_ADDR_LEN]); 15328a38073SDamien Bergamini static void iwi_node_free(struct ieee80211_node *); 154ceaec73dSDamien Bergamini static void iwi_media_status(struct ifnet *, struct ifmediareq *); 155b032f27cSSam Leffler static int iwi_newstate(struct ieee80211vap *, enum ieee80211_state, int); 156c10b1400SMax Laier static void iwi_wme_init(struct iwi_softc *); 157b032f27cSSam Leffler static int iwi_wme_setparams(struct iwi_softc *, struct ieee80211com *); 158853569c6SSam Leffler static void iwi_update_wme(void *, int); 159ec01dc2bSDamien Bergamini static int iwi_wme_update(struct ieee80211com *); 160ceaec73dSDamien Bergamini static uint16_t iwi_read_prom_word(struct iwi_softc *, uint8_t); 161ceaec73dSDamien Bergamini static void iwi_frame_intr(struct iwi_softc *, struct iwi_rx_data *, int, 162ceaec73dSDamien Bergamini struct iwi_frame *); 163ceaec73dSDamien Bergamini static void iwi_notification_intr(struct iwi_softc *, struct iwi_notif *); 164ceaec73dSDamien Bergamini static void iwi_rx_intr(struct iwi_softc *); 165ec01dc2bSDamien Bergamini static void iwi_tx_intr(struct iwi_softc *, struct iwi_tx_ring *); 166ceaec73dSDamien Bergamini static void iwi_intr(void *); 167c10b1400SMax Laier static int iwi_cmd(struct iwi_softc *, uint8_t, void *, uint8_t); 168c10b1400SMax Laier static void iwi_write_ibssnode(struct iwi_softc *, const u_int8_t [], int); 169ceaec73dSDamien Bergamini static int iwi_tx_start(struct ifnet *, struct mbuf *, 1700b74a285SDamien Bergamini struct ieee80211_node *, int); 171b032f27cSSam Leffler static int iwi_raw_xmit(struct ieee80211_node *, struct mbuf *, 172b032f27cSSam Leffler const struct ieee80211_bpf_params *); 173b032f27cSSam Leffler static void iwi_start_locked(struct ifnet *); 174ceaec73dSDamien Bergamini static void iwi_start(struct ifnet *); 17568e8e04eSSam Leffler static void iwi_watchdog(void *); 176ceaec73dSDamien Bergamini static int iwi_ioctl(struct ifnet *, u_long, caddr_t); 177ceaec73dSDamien Bergamini static void iwi_stop_master(struct iwi_softc *); 178ceaec73dSDamien Bergamini static int iwi_reset(struct iwi_softc *); 179c10b1400SMax Laier static int iwi_load_ucode(struct iwi_softc *, const struct iwi_fw *); 180c10b1400SMax Laier static int iwi_load_firmware(struct iwi_softc *, const struct iwi_fw *); 181484f6530SLuigi Rizzo static void iwi_release_fw_dma(struct iwi_softc *sc); 182ceaec73dSDamien Bergamini static int iwi_config(struct iwi_softc *); 183b032f27cSSam Leffler static int iwi_get_firmware(struct iwi_softc *, enum ieee80211_opmode); 184c10b1400SMax Laier static void iwi_put_firmware(struct iwi_softc *); 18540668dc5SBernhard Schmidt static void iwi_monitor_scan(void *, int); 18668e8e04eSSam Leffler static int iwi_scanchan(struct iwi_softc *, unsigned long, int); 18768e8e04eSSam Leffler static void iwi_scan_start(struct ieee80211com *); 18868e8e04eSSam Leffler static void iwi_scan_end(struct ieee80211com *); 18968e8e04eSSam Leffler static void iwi_set_channel(struct ieee80211com *); 190b032f27cSSam Leffler static void iwi_scan_curchan(struct ieee80211_scan_state *, unsigned long maxdwell); 191b032f27cSSam Leffler static void iwi_scan_mindwell(struct ieee80211_scan_state *); 192b032f27cSSam Leffler static int iwi_auth_and_assoc(struct iwi_softc *, struct ieee80211vap *); 1935efea30fSAndrew Thompson static void iwi_disassoc(void *, int); 194c10b1400SMax Laier static int iwi_disassociate(struct iwi_softc *, int quiet); 195b032f27cSSam Leffler static void iwi_init_locked(struct iwi_softc *); 196ceaec73dSDamien Bergamini static void iwi_init(void *); 197b032f27cSSam Leffler static int iwi_init_fw_dma(struct iwi_softc *, int); 198b032f27cSSam Leffler static void iwi_stop_locked(void *); 199b032f27cSSam Leffler static void iwi_stop(struct iwi_softc *); 200c10b1400SMax Laier static void iwi_restart(void *, int); 201c10b1400SMax Laier static int iwi_getrfkill(struct iwi_softc *); 202c10b1400SMax Laier static void iwi_radio_on(void *, int); 203c10b1400SMax Laier static void iwi_radio_off(void *, int); 204c10b1400SMax Laier static void iwi_sysctlattach(struct iwi_softc *); 205c10b1400SMax Laier static void iwi_led_event(struct iwi_softc *, int); 206c10b1400SMax Laier static void iwi_ledattach(struct iwi_softc *); 207ceaec73dSDamien Bergamini 208ceaec73dSDamien Bergamini static int iwi_probe(device_t); 209ceaec73dSDamien Bergamini static int iwi_attach(device_t); 210ceaec73dSDamien Bergamini static int iwi_detach(device_t); 211ceaec73dSDamien Bergamini static int iwi_shutdown(device_t); 212ceaec73dSDamien Bergamini static int iwi_suspend(device_t); 213ceaec73dSDamien Bergamini static int iwi_resume(device_t); 214ceaec73dSDamien Bergamini 215ceaec73dSDamien Bergamini static device_method_t iwi_methods[] = { 216ceaec73dSDamien Bergamini /* Device interface */ 217ceaec73dSDamien Bergamini DEVMETHOD(device_probe, iwi_probe), 218ceaec73dSDamien Bergamini DEVMETHOD(device_attach, iwi_attach), 219ceaec73dSDamien Bergamini DEVMETHOD(device_detach, iwi_detach), 220ceaec73dSDamien Bergamini DEVMETHOD(device_shutdown, iwi_shutdown), 221ceaec73dSDamien Bergamini DEVMETHOD(device_suspend, iwi_suspend), 222ceaec73dSDamien Bergamini DEVMETHOD(device_resume, iwi_resume), 223ceaec73dSDamien Bergamini 2240a9d8839SMarius Strobl DEVMETHOD_END 225ceaec73dSDamien Bergamini }; 226ceaec73dSDamien Bergamini 227ceaec73dSDamien Bergamini static driver_t iwi_driver = { 228ceaec73dSDamien Bergamini "iwi", 229ceaec73dSDamien Bergamini iwi_methods, 230ceaec73dSDamien Bergamini sizeof (struct iwi_softc) 231ceaec73dSDamien Bergamini }; 232ceaec73dSDamien Bergamini 233ceaec73dSDamien Bergamini static devclass_t iwi_devclass; 234ceaec73dSDamien Bergamini 2350a9d8839SMarius Strobl DRIVER_MODULE(iwi, pci, iwi_driver, iwi_devclass, NULL, NULL); 236ceaec73dSDamien Bergamini 237129145a4SBernhard Schmidt MODULE_VERSION(iwi, 1); 238129145a4SBernhard Schmidt 239c10b1400SMax Laier static __inline uint8_t 240c10b1400SMax Laier MEM_READ_1(struct iwi_softc *sc, uint32_t addr) 241c10b1400SMax Laier { 242c10b1400SMax Laier CSR_WRITE_4(sc, IWI_CSR_INDIRECT_ADDR, addr); 243c10b1400SMax Laier return CSR_READ_1(sc, IWI_CSR_INDIRECT_DATA); 244c10b1400SMax Laier } 245c10b1400SMax Laier 246c10b1400SMax Laier static __inline uint32_t 247c10b1400SMax Laier MEM_READ_4(struct iwi_softc *sc, uint32_t addr) 248c10b1400SMax Laier { 249c10b1400SMax Laier CSR_WRITE_4(sc, IWI_CSR_INDIRECT_ADDR, addr); 250c10b1400SMax Laier return CSR_READ_4(sc, IWI_CSR_INDIRECT_DATA); 251c10b1400SMax Laier } 252c10b1400SMax Laier 253ceaec73dSDamien Bergamini static int 254ceaec73dSDamien Bergamini iwi_probe(device_t dev) 255ceaec73dSDamien Bergamini { 256ceaec73dSDamien Bergamini const struct iwi_ident *ident; 257ceaec73dSDamien Bergamini 258ceaec73dSDamien Bergamini for (ident = iwi_ident_table; ident->name != NULL; ident++) { 259ceaec73dSDamien Bergamini if (pci_get_vendor(dev) == ident->vendor && 260ceaec73dSDamien Bergamini pci_get_device(dev) == ident->device) { 261ceaec73dSDamien Bergamini device_set_desc(dev, ident->name); 2620a9d8839SMarius Strobl return (BUS_PROBE_DEFAULT); 263ceaec73dSDamien Bergamini } 264ceaec73dSDamien Bergamini } 265ceaec73dSDamien Bergamini return ENXIO; 266ceaec73dSDamien Bergamini } 267ceaec73dSDamien Bergamini 268ceaec73dSDamien Bergamini static int 269ceaec73dSDamien Bergamini iwi_attach(device_t dev) 270ceaec73dSDamien Bergamini { 271ceaec73dSDamien Bergamini struct iwi_softc *sc = device_get_softc(dev); 272fc74a9f9SBrooks Davis struct ifnet *ifp; 273b032f27cSSam Leffler struct ieee80211com *ic; 274ceaec73dSDamien Bergamini uint16_t val; 275b032f27cSSam Leffler int i, error; 276b032f27cSSam Leffler uint8_t bands; 27729aca940SSam Leffler uint8_t macaddr[IEEE80211_ADDR_LEN]; 278ceaec73dSDamien Bergamini 279ceaec73dSDamien Bergamini sc->sc_dev = dev; 280ceaec73dSDamien Bergamini 281b032f27cSSam Leffler ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 282b032f27cSSam Leffler if (ifp == NULL) { 283b032f27cSSam Leffler device_printf(dev, "can not if_alloc()\n"); 284b032f27cSSam Leffler return ENXIO; 285b032f27cSSam Leffler } 286b032f27cSSam Leffler ic = ifp->if_l2com; 287b032f27cSSam Leffler 28868e8e04eSSam Leffler IWI_LOCK_INIT(sc); 289ceaec73dSDamien Bergamini 290c10b1400SMax Laier sc->sc_unr = new_unrhdr(1, IWI_MAX_IBSSNODE-1, &sc->sc_mtx); 29128a38073SDamien Bergamini 292c10b1400SMax Laier TASK_INIT(&sc->sc_radiontask, 0, iwi_radio_on, sc); 293c10b1400SMax Laier TASK_INIT(&sc->sc_radiofftask, 0, iwi_radio_off, sc); 294c10b1400SMax Laier TASK_INIT(&sc->sc_restarttask, 0, iwi_restart, sc); 2955efea30fSAndrew Thompson TASK_INIT(&sc->sc_disassoctask, 0, iwi_disassoc, sc); 296853569c6SSam Leffler TASK_INIT(&sc->sc_wmetask, 0, iwi_update_wme, sc); 29740668dc5SBernhard Schmidt TASK_INIT(&sc->sc_monitortask, 0, iwi_monitor_scan, sc); 2985efea30fSAndrew Thompson 29968e8e04eSSam Leffler callout_init_mtx(&sc->sc_wdtimer, &sc->sc_mtx, 0); 300b032f27cSSam Leffler callout_init_mtx(&sc->sc_rftimer, &sc->sc_mtx, 0); 3011b996b2aSDamien Bergamini 302acea4241SDamien Bergamini pci_write_config(dev, 0x41, 0, 1); 303acea4241SDamien Bergamini 304ceaec73dSDamien Bergamini /* enable bus-mastering */ 305ceaec73dSDamien Bergamini pci_enable_busmaster(dev); 306ceaec73dSDamien Bergamini 3070a9d8839SMarius Strobl i = PCIR_BAR(0); 3080a9d8839SMarius Strobl sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &i, RF_ACTIVE); 309ceaec73dSDamien Bergamini if (sc->mem == NULL) { 310ceaec73dSDamien Bergamini device_printf(dev, "could not allocate memory resource\n"); 311ceaec73dSDamien Bergamini goto fail; 312ceaec73dSDamien Bergamini } 313ceaec73dSDamien Bergamini 314ceaec73dSDamien Bergamini sc->sc_st = rman_get_bustag(sc->mem); 315ceaec73dSDamien Bergamini sc->sc_sh = rman_get_bushandle(sc->mem); 316ceaec73dSDamien Bergamini 3170a9d8839SMarius Strobl i = 0; 3180a9d8839SMarius Strobl sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &i, 319ceaec73dSDamien Bergamini RF_ACTIVE | RF_SHAREABLE); 320ceaec73dSDamien Bergamini if (sc->irq == NULL) { 321ceaec73dSDamien Bergamini device_printf(dev, "could not allocate interrupt resource\n"); 322ceaec73dSDamien Bergamini goto fail; 323ceaec73dSDamien Bergamini } 324ceaec73dSDamien Bergamini 325ceaec73dSDamien Bergamini if (iwi_reset(sc) != 0) { 326ceaec73dSDamien Bergamini device_printf(dev, "could not reset adapter\n"); 327ceaec73dSDamien Bergamini goto fail; 328ceaec73dSDamien Bergamini } 329ceaec73dSDamien Bergamini 330ceaec73dSDamien Bergamini /* 331ceaec73dSDamien Bergamini * Allocate rings. 332ceaec73dSDamien Bergamini */ 333ceaec73dSDamien Bergamini if (iwi_alloc_cmd_ring(sc, &sc->cmdq, IWI_CMD_RING_COUNT) != 0) { 334ceaec73dSDamien Bergamini device_printf(dev, "could not allocate Cmd ring\n"); 335ceaec73dSDamien Bergamini goto fail; 336ceaec73dSDamien Bergamini } 337ceaec73dSDamien Bergamini 338484f6530SLuigi Rizzo for (i = 0; i < 4; i++) { 339484f6530SLuigi Rizzo error = iwi_alloc_tx_ring(sc, &sc->txq[i], IWI_TX_RING_COUNT, 340484f6530SLuigi Rizzo IWI_CSR_TX1_RIDX + i * 4, 341484f6530SLuigi Rizzo IWI_CSR_TX1_WIDX + i * 4); 342ec01dc2bSDamien Bergamini if (error != 0) { 343484f6530SLuigi Rizzo device_printf(dev, "could not allocate Tx ring %d\n", 344484f6530SLuigi Rizzo i+i); 345ec01dc2bSDamien Bergamini goto fail; 346ec01dc2bSDamien Bergamini } 347ceaec73dSDamien Bergamini } 348ceaec73dSDamien Bergamini 349ceaec73dSDamien Bergamini if (iwi_alloc_rx_ring(sc, &sc->rxq, IWI_RX_RING_COUNT) != 0) { 350ceaec73dSDamien Bergamini device_printf(dev, "could not allocate Rx ring\n"); 351ceaec73dSDamien Bergamini goto fail; 352ceaec73dSDamien Bergamini } 353ceaec73dSDamien Bergamini 354c10b1400SMax Laier iwi_wme_init(sc); 355c10b1400SMax Laier 356ceaec73dSDamien Bergamini ifp->if_softc = sc; 357ceaec73dSDamien Bergamini if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 358ceaec73dSDamien Bergamini ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 359ceaec73dSDamien Bergamini ifp->if_init = iwi_init; 360ceaec73dSDamien Bergamini ifp->if_ioctl = iwi_ioctl; 361ceaec73dSDamien Bergamini ifp->if_start = iwi_start; 362e50d35e6SMaxim Sobolev IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 363e50d35e6SMaxim Sobolev ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 364ceaec73dSDamien Bergamini IFQ_SET_READY(&ifp->if_snd); 365ceaec73dSDamien Bergamini 366b032f27cSSam Leffler ic->ic_ifp = ifp; 367b032f27cSSam Leffler ic->ic_opmode = IEEE80211_M_STA; 368ceaec73dSDamien Bergamini ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 369ceaec73dSDamien Bergamini 370ceaec73dSDamien Bergamini /* set device capabilities */ 371ec01dc2bSDamien Bergamini ic->ic_caps = 372c43feedeSSam Leffler IEEE80211_C_STA /* station mode supported */ 373c43feedeSSam Leffler | IEEE80211_C_IBSS /* IBSS mode supported */ 37468e8e04eSSam Leffler | IEEE80211_C_MONITOR /* monitor mode supported */ 37568e8e04eSSam Leffler | IEEE80211_C_PMGT /* power save supported */ 37668e8e04eSSam Leffler | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 37768e8e04eSSam Leffler | IEEE80211_C_WPA /* 802.11i */ 37868e8e04eSSam Leffler | IEEE80211_C_WME /* 802.11e */ 379b032f27cSSam Leffler #if 0 38068e8e04eSSam Leffler | IEEE80211_C_BGSCAN /* capable of bg scanning */ 381b032f27cSSam Leffler #endif 38268e8e04eSSam Leffler ; 383ceaec73dSDamien Bergamini 384ceaec73dSDamien Bergamini /* read MAC address from EEPROM */ 385ceaec73dSDamien Bergamini val = iwi_read_prom_word(sc, IWI_EEPROM_MAC + 0); 38629aca940SSam Leffler macaddr[0] = val & 0xff; 38729aca940SSam Leffler macaddr[1] = val >> 8; 388ceaec73dSDamien Bergamini val = iwi_read_prom_word(sc, IWI_EEPROM_MAC + 1); 38929aca940SSam Leffler macaddr[2] = val & 0xff; 39029aca940SSam Leffler macaddr[3] = val >> 8; 391ceaec73dSDamien Bergamini val = iwi_read_prom_word(sc, IWI_EEPROM_MAC + 2); 39229aca940SSam Leffler macaddr[4] = val & 0xff; 39329aca940SSam Leffler macaddr[5] = val >> 8; 394ceaec73dSDamien Bergamini 39568e8e04eSSam Leffler bands = 0; 39668e8e04eSSam Leffler setbit(&bands, IEEE80211_MODE_11B); 39768e8e04eSSam Leffler setbit(&bands, IEEE80211_MODE_11G); 39868e8e04eSSam Leffler if (pci_get_device(dev) >= 0x4223) 39968e8e04eSSam Leffler setbit(&bands, IEEE80211_MODE_11A); 400b032f27cSSam Leffler ieee80211_init_channels(ic, NULL, &bands); 401ceaec73dSDamien Bergamini 40229aca940SSam Leffler ieee80211_ifattach(ic, macaddr); 40328a38073SDamien Bergamini /* override default methods */ 40428a38073SDamien Bergamini ic->ic_node_alloc = iwi_node_alloc; 40528a38073SDamien Bergamini sc->sc_node_free = ic->ic_node_free; 40628a38073SDamien Bergamini ic->ic_node_free = iwi_node_free; 407b032f27cSSam Leffler ic->ic_raw_xmit = iwi_raw_xmit; 40868e8e04eSSam Leffler ic->ic_scan_start = iwi_scan_start; 40968e8e04eSSam Leffler ic->ic_scan_end = iwi_scan_end; 41068e8e04eSSam Leffler ic->ic_set_channel = iwi_set_channel; 41168e8e04eSSam Leffler ic->ic_scan_curchan = iwi_scan_curchan; 41268e8e04eSSam Leffler ic->ic_scan_mindwell = iwi_scan_mindwell; 413b032f27cSSam Leffler ic->ic_wme.wme_update = iwi_wme_update; 41468e8e04eSSam Leffler 415b032f27cSSam Leffler ic->ic_vap_create = iwi_vap_create; 416b032f27cSSam Leffler ic->ic_vap_delete = iwi_vap_delete; 417ceaec73dSDamien Bergamini 4185463c4a4SSam Leffler ieee80211_radiotap_attach(ic, 4195463c4a4SSam Leffler &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 4205463c4a4SSam Leffler IWI_TX_RADIOTAP_PRESENT, 4215463c4a4SSam Leffler &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 4225463c4a4SSam Leffler IWI_RX_RADIOTAP_PRESENT); 423ceaec73dSDamien Bergamini 424c10b1400SMax Laier iwi_sysctlattach(sc); 425c10b1400SMax Laier iwi_ledattach(sc); 426acea4241SDamien Bergamini 427ceaec73dSDamien Bergamini /* 428ceaec73dSDamien Bergamini * Hook our interrupt after all initialization is complete. 429ceaec73dSDamien Bergamini */ 430ceaec73dSDamien Bergamini error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 431ef544f63SPaolo Pisati NULL, iwi_intr, sc, &sc->sc_ih); 432ceaec73dSDamien Bergamini if (error != 0) { 433ceaec73dSDamien Bergamini device_printf(dev, "could not set up interrupt\n"); 434ceaec73dSDamien Bergamini goto fail; 435ceaec73dSDamien Bergamini } 436ceaec73dSDamien Bergamini 437ceaec73dSDamien Bergamini if (bootverbose) 438ceaec73dSDamien Bergamini ieee80211_announce(ic); 439ceaec73dSDamien Bergamini 440ceaec73dSDamien Bergamini return 0; 441b032f27cSSam Leffler fail: 442b032f27cSSam Leffler /* XXX fix */ 443b032f27cSSam Leffler iwi_detach(dev); 444ceaec73dSDamien Bergamini return ENXIO; 445ceaec73dSDamien Bergamini } 446ceaec73dSDamien Bergamini 447ceaec73dSDamien Bergamini static int 448ceaec73dSDamien Bergamini iwi_detach(device_t dev) 449ceaec73dSDamien Bergamini { 450ceaec73dSDamien Bergamini struct iwi_softc *sc = device_get_softc(dev); 451b032f27cSSam Leffler struct ifnet *ifp = sc->sc_ifp; 452b032f27cSSam Leffler struct ieee80211com *ic = ifp->if_l2com; 453ceaec73dSDamien Bergamini 4540a9d8839SMarius Strobl bus_teardown_intr(dev, sc->irq, sc->sc_ih); 4550a9d8839SMarius Strobl 456b032f27cSSam Leffler /* NB: do early to drain any pending tasks */ 4575efea30fSAndrew Thompson ieee80211_draintask(ic, &sc->sc_radiontask); 4585efea30fSAndrew Thompson ieee80211_draintask(ic, &sc->sc_radiofftask); 4595efea30fSAndrew Thompson ieee80211_draintask(ic, &sc->sc_restarttask); 4605efea30fSAndrew Thompson ieee80211_draintask(ic, &sc->sc_disassoctask); 46140668dc5SBernhard Schmidt ieee80211_draintask(ic, &sc->sc_monitortask); 462b032f27cSSam Leffler 463b569d213SAndrew Thompson iwi_stop(sc); 464b569d213SAndrew Thompson 465b569d213SAndrew Thompson ieee80211_ifdetach(ic); 466b569d213SAndrew Thompson 467fa6f748fSJohn Baldwin iwi_put_firmware(sc); 468484f6530SLuigi Rizzo iwi_release_fw_dma(sc); 469ceaec73dSDamien Bergamini 470ceaec73dSDamien Bergamini iwi_free_cmd_ring(sc, &sc->cmdq); 471ec01dc2bSDamien Bergamini iwi_free_tx_ring(sc, &sc->txq[0]); 472ec01dc2bSDamien Bergamini iwi_free_tx_ring(sc, &sc->txq[1]); 473ec01dc2bSDamien Bergamini iwi_free_tx_ring(sc, &sc->txq[2]); 474ec01dc2bSDamien Bergamini iwi_free_tx_ring(sc, &sc->txq[3]); 475ceaec73dSDamien Bergamini iwi_free_rx_ring(sc, &sc->rxq); 476ceaec73dSDamien Bergamini 4770a9d8839SMarius Strobl bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), sc->irq); 478ceaec73dSDamien Bergamini 4790a9d8839SMarius Strobl bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(sc->mem), 4800a9d8839SMarius Strobl sc->mem); 481ceaec73dSDamien Bergamini 48228a38073SDamien Bergamini delete_unrhdr(sc->sc_unr); 48328a38073SDamien Bergamini 48468e8e04eSSam Leffler IWI_LOCK_DESTROY(sc); 485ceaec73dSDamien Bergamini 486b032f27cSSam Leffler if_free(ifp); 487b032f27cSSam Leffler 488ceaec73dSDamien Bergamini return 0; 489ceaec73dSDamien Bergamini } 490ceaec73dSDamien Bergamini 491b032f27cSSam Leffler static struct ieee80211vap * 492fcd9500fSBernhard Schmidt iwi_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 493fcd9500fSBernhard Schmidt enum ieee80211_opmode opmode, int flags, 494b032f27cSSam Leffler const uint8_t bssid[IEEE80211_ADDR_LEN], 495b032f27cSSam Leffler const uint8_t mac[IEEE80211_ADDR_LEN]) 496b032f27cSSam Leffler { 497b032f27cSSam Leffler struct ifnet *ifp = ic->ic_ifp; 498b032f27cSSam Leffler struct iwi_softc *sc = ifp->if_softc; 499b032f27cSSam Leffler struct iwi_vap *ivp; 500b032f27cSSam Leffler struct ieee80211vap *vap; 501b032f27cSSam Leffler int i; 502b032f27cSSam Leffler 503b032f27cSSam Leffler if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 504b032f27cSSam Leffler return NULL; 505b032f27cSSam Leffler /* 506b032f27cSSam Leffler * Get firmware image (and possibly dma memory) on mode change. 507b032f27cSSam Leffler */ 508b032f27cSSam Leffler if (iwi_get_firmware(sc, opmode)) 509b032f27cSSam Leffler return NULL; 510b032f27cSSam Leffler /* allocate DMA memory for mapping firmware image */ 511b032f27cSSam Leffler i = sc->fw_fw.size; 512b032f27cSSam Leffler if (sc->fw_boot.size > i) 513b032f27cSSam Leffler i = sc->fw_boot.size; 514b032f27cSSam Leffler /* XXX do we dma the ucode as well ? */ 515b032f27cSSam Leffler if (sc->fw_uc.size > i) 516b032f27cSSam Leffler i = sc->fw_uc.size; 517b032f27cSSam Leffler if (iwi_init_fw_dma(sc, i)) 518b032f27cSSam Leffler return NULL; 519b032f27cSSam Leffler 520b032f27cSSam Leffler ivp = (struct iwi_vap *) malloc(sizeof(struct iwi_vap), 521b032f27cSSam Leffler M_80211_VAP, M_NOWAIT | M_ZERO); 522b032f27cSSam Leffler if (ivp == NULL) 523b032f27cSSam Leffler return NULL; 524b032f27cSSam Leffler vap = &ivp->iwi_vap; 525b032f27cSSam Leffler ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 526b032f27cSSam Leffler /* override the default, the setting comes from the linux driver */ 527b032f27cSSam Leffler vap->iv_bmissthreshold = 24; 528b032f27cSSam Leffler /* override with driver methods */ 529b032f27cSSam Leffler ivp->iwi_newstate = vap->iv_newstate; 530b032f27cSSam Leffler vap->iv_newstate = iwi_newstate; 531b032f27cSSam Leffler 532b032f27cSSam Leffler /* complete setup */ 533b032f27cSSam Leffler ieee80211_vap_attach(vap, ieee80211_media_change, iwi_media_status); 534b032f27cSSam Leffler ic->ic_opmode = opmode; 535b032f27cSSam Leffler return vap; 536b032f27cSSam Leffler } 537b032f27cSSam Leffler 538b032f27cSSam Leffler static void 539b032f27cSSam Leffler iwi_vap_delete(struct ieee80211vap *vap) 540b032f27cSSam Leffler { 541b032f27cSSam Leffler struct iwi_vap *ivp = IWI_VAP(vap); 542b032f27cSSam Leffler 543b032f27cSSam Leffler ieee80211_vap_detach(vap); 544b032f27cSSam Leffler free(ivp, M_80211_VAP); 545b032f27cSSam Leffler } 546b032f27cSSam Leffler 547ceaec73dSDamien Bergamini static void 548ceaec73dSDamien Bergamini iwi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) 549ceaec73dSDamien Bergamini { 550ceaec73dSDamien Bergamini if (error != 0) 551ceaec73dSDamien Bergamini return; 552ceaec73dSDamien Bergamini 553ceaec73dSDamien Bergamini KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 554ceaec73dSDamien Bergamini 555ceaec73dSDamien Bergamini *(bus_addr_t *)arg = segs[0].ds_addr; 556ceaec73dSDamien Bergamini } 557ceaec73dSDamien Bergamini 558ceaec73dSDamien Bergamini static int 559ceaec73dSDamien Bergamini iwi_alloc_cmd_ring(struct iwi_softc *sc, struct iwi_cmd_ring *ring, int count) 560ceaec73dSDamien Bergamini { 561ceaec73dSDamien Bergamini int error; 562ceaec73dSDamien Bergamini 563ceaec73dSDamien Bergamini ring->count = count; 564ceaec73dSDamien Bergamini ring->queued = 0; 565ceaec73dSDamien Bergamini ring->cur = ring->next = 0; 566ceaec73dSDamien Bergamini 567b0ea96dfSKevin Lo error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 4, 0, 568b0ea96dfSKevin Lo BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 569b0ea96dfSKevin Lo count * IWI_CMD_DESC_SIZE, 1, count * IWI_CMD_DESC_SIZE, 0, 570b0ea96dfSKevin Lo NULL, NULL, &ring->desc_dmat); 571ceaec73dSDamien Bergamini if (error != 0) { 572ceaec73dSDamien Bergamini device_printf(sc->sc_dev, "could not create desc DMA tag\n"); 573ceaec73dSDamien Bergamini goto fail; 574ceaec73dSDamien Bergamini } 575ceaec73dSDamien Bergamini 576ceaec73dSDamien Bergamini error = bus_dmamem_alloc(ring->desc_dmat, (void **)&ring->desc, 577ceaec73dSDamien Bergamini BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_map); 578ceaec73dSDamien Bergamini if (error != 0) { 579ceaec73dSDamien Bergamini device_printf(sc->sc_dev, "could not allocate DMA memory\n"); 580ceaec73dSDamien Bergamini goto fail; 581ceaec73dSDamien Bergamini } 582ceaec73dSDamien Bergamini 583ceaec73dSDamien Bergamini error = bus_dmamap_load(ring->desc_dmat, ring->desc_map, ring->desc, 584ceaec73dSDamien Bergamini count * IWI_CMD_DESC_SIZE, iwi_dma_map_addr, &ring->physaddr, 0); 585ceaec73dSDamien Bergamini if (error != 0) { 586ceaec73dSDamien Bergamini device_printf(sc->sc_dev, "could not load desc DMA map\n"); 587ceaec73dSDamien Bergamini goto fail; 588ceaec73dSDamien Bergamini } 589ceaec73dSDamien Bergamini 590ceaec73dSDamien Bergamini return 0; 591ceaec73dSDamien Bergamini 592ceaec73dSDamien Bergamini fail: iwi_free_cmd_ring(sc, ring); 593ceaec73dSDamien Bergamini return error; 594ceaec73dSDamien Bergamini } 595ceaec73dSDamien Bergamini 596ceaec73dSDamien Bergamini static void 597ceaec73dSDamien Bergamini iwi_reset_cmd_ring(struct iwi_softc *sc, struct iwi_cmd_ring *ring) 598ceaec73dSDamien Bergamini { 599ceaec73dSDamien Bergamini ring->queued = 0; 600ceaec73dSDamien Bergamini ring->cur = ring->next = 0; 601ceaec73dSDamien Bergamini } 602ceaec73dSDamien Bergamini 603ceaec73dSDamien Bergamini static void 604ceaec73dSDamien Bergamini iwi_free_cmd_ring(struct iwi_softc *sc, struct iwi_cmd_ring *ring) 605ceaec73dSDamien Bergamini { 606ceaec73dSDamien Bergamini if (ring->desc != NULL) { 607ceaec73dSDamien Bergamini bus_dmamap_sync(ring->desc_dmat, ring->desc_map, 608ceaec73dSDamien Bergamini BUS_DMASYNC_POSTWRITE); 609ceaec73dSDamien Bergamini bus_dmamap_unload(ring->desc_dmat, ring->desc_map); 610ceaec73dSDamien Bergamini bus_dmamem_free(ring->desc_dmat, ring->desc, ring->desc_map); 611ceaec73dSDamien Bergamini } 612ceaec73dSDamien Bergamini 613ceaec73dSDamien Bergamini if (ring->desc_dmat != NULL) 614ceaec73dSDamien Bergamini bus_dma_tag_destroy(ring->desc_dmat); 615ceaec73dSDamien Bergamini } 616ceaec73dSDamien Bergamini 617ceaec73dSDamien Bergamini static int 618ec01dc2bSDamien Bergamini iwi_alloc_tx_ring(struct iwi_softc *sc, struct iwi_tx_ring *ring, int count, 619ec01dc2bSDamien Bergamini bus_addr_t csr_ridx, bus_addr_t csr_widx) 620ceaec73dSDamien Bergamini { 621ceaec73dSDamien Bergamini int i, error; 622ceaec73dSDamien Bergamini 623ceaec73dSDamien Bergamini ring->count = count; 624ceaec73dSDamien Bergamini ring->queued = 0; 625ceaec73dSDamien Bergamini ring->cur = ring->next = 0; 626ec01dc2bSDamien Bergamini ring->csr_ridx = csr_ridx; 627ec01dc2bSDamien Bergamini ring->csr_widx = csr_widx; 628ceaec73dSDamien Bergamini 629b0ea96dfSKevin Lo error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 4, 0, 630b0ea96dfSKevin Lo BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 631b0ea96dfSKevin Lo count * IWI_TX_DESC_SIZE, 1, count * IWI_TX_DESC_SIZE, 0, NULL, 632b0ea96dfSKevin Lo NULL, &ring->desc_dmat); 633ceaec73dSDamien Bergamini if (error != 0) { 634ceaec73dSDamien Bergamini device_printf(sc->sc_dev, "could not create desc DMA tag\n"); 635ceaec73dSDamien Bergamini goto fail; 636ceaec73dSDamien Bergamini } 637ceaec73dSDamien Bergamini 638ceaec73dSDamien Bergamini error = bus_dmamem_alloc(ring->desc_dmat, (void **)&ring->desc, 639ceaec73dSDamien Bergamini BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_map); 640ceaec73dSDamien Bergamini if (error != 0) { 641ceaec73dSDamien Bergamini device_printf(sc->sc_dev, "could not allocate DMA memory\n"); 642ceaec73dSDamien Bergamini goto fail; 643ceaec73dSDamien Bergamini } 644ceaec73dSDamien Bergamini 645ceaec73dSDamien Bergamini error = bus_dmamap_load(ring->desc_dmat, ring->desc_map, ring->desc, 646ceaec73dSDamien Bergamini count * IWI_TX_DESC_SIZE, iwi_dma_map_addr, &ring->physaddr, 0); 647ceaec73dSDamien Bergamini if (error != 0) { 648ceaec73dSDamien Bergamini device_printf(sc->sc_dev, "could not load desc DMA map\n"); 649ceaec73dSDamien Bergamini goto fail; 650ceaec73dSDamien Bergamini } 651ceaec73dSDamien Bergamini 652ceaec73dSDamien Bergamini ring->data = malloc(count * sizeof (struct iwi_tx_data), M_DEVBUF, 653ceaec73dSDamien Bergamini M_NOWAIT | M_ZERO); 654ceaec73dSDamien Bergamini if (ring->data == NULL) { 655ceaec73dSDamien Bergamini device_printf(sc->sc_dev, "could not allocate soft data\n"); 656ceaec73dSDamien Bergamini error = ENOMEM; 657ceaec73dSDamien Bergamini goto fail; 658ceaec73dSDamien Bergamini } 659ceaec73dSDamien Bergamini 660b0ea96dfSKevin Lo error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 661b0ea96dfSKevin Lo BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 662b0ea96dfSKevin Lo IWI_MAX_NSEG, MCLBYTES, 0, NULL, NULL, &ring->data_dmat); 663ceaec73dSDamien Bergamini if (error != 0) { 664ceaec73dSDamien Bergamini device_printf(sc->sc_dev, "could not create data DMA tag\n"); 665ceaec73dSDamien Bergamini goto fail; 666ceaec73dSDamien Bergamini } 667ceaec73dSDamien Bergamini 668ceaec73dSDamien Bergamini for (i = 0; i < count; i++) { 669ceaec73dSDamien Bergamini error = bus_dmamap_create(ring->data_dmat, 0, 670ceaec73dSDamien Bergamini &ring->data[i].map); 671ceaec73dSDamien Bergamini if (error != 0) { 672ceaec73dSDamien Bergamini device_printf(sc->sc_dev, "could not create DMA map\n"); 673ceaec73dSDamien Bergamini goto fail; 674ceaec73dSDamien Bergamini } 675ceaec73dSDamien Bergamini } 676ceaec73dSDamien Bergamini 677ceaec73dSDamien Bergamini return 0; 678ceaec73dSDamien Bergamini 679ceaec73dSDamien Bergamini fail: iwi_free_tx_ring(sc, ring); 680ceaec73dSDamien Bergamini return error; 681ceaec73dSDamien Bergamini } 682ceaec73dSDamien Bergamini 683ceaec73dSDamien Bergamini static void 684ceaec73dSDamien Bergamini iwi_reset_tx_ring(struct iwi_softc *sc, struct iwi_tx_ring *ring) 685ceaec73dSDamien Bergamini { 686ceaec73dSDamien Bergamini struct iwi_tx_data *data; 687ceaec73dSDamien Bergamini int i; 688ceaec73dSDamien Bergamini 689ceaec73dSDamien Bergamini for (i = 0; i < ring->count; i++) { 690ceaec73dSDamien Bergamini data = &ring->data[i]; 691ceaec73dSDamien Bergamini 692ceaec73dSDamien Bergamini if (data->m != NULL) { 693ceaec73dSDamien Bergamini bus_dmamap_sync(ring->data_dmat, data->map, 694ceaec73dSDamien Bergamini BUS_DMASYNC_POSTWRITE); 695ceaec73dSDamien Bergamini bus_dmamap_unload(ring->data_dmat, data->map); 696ceaec73dSDamien Bergamini m_freem(data->m); 697ceaec73dSDamien Bergamini data->m = NULL; 698ceaec73dSDamien Bergamini } 699ceaec73dSDamien Bergamini 700ceaec73dSDamien Bergamini if (data->ni != NULL) { 701ceaec73dSDamien Bergamini ieee80211_free_node(data->ni); 702ceaec73dSDamien Bergamini data->ni = NULL; 703ceaec73dSDamien Bergamini } 704ceaec73dSDamien Bergamini } 705ceaec73dSDamien Bergamini 706ceaec73dSDamien Bergamini ring->queued = 0; 707ceaec73dSDamien Bergamini ring->cur = ring->next = 0; 708ceaec73dSDamien Bergamini } 709ceaec73dSDamien Bergamini 710ceaec73dSDamien Bergamini static void 711ceaec73dSDamien Bergamini iwi_free_tx_ring(struct iwi_softc *sc, struct iwi_tx_ring *ring) 712ceaec73dSDamien Bergamini { 713ceaec73dSDamien Bergamini struct iwi_tx_data *data; 714ceaec73dSDamien Bergamini int i; 715ceaec73dSDamien Bergamini 716ceaec73dSDamien Bergamini if (ring->desc != NULL) { 717ceaec73dSDamien Bergamini bus_dmamap_sync(ring->desc_dmat, ring->desc_map, 718ceaec73dSDamien Bergamini BUS_DMASYNC_POSTWRITE); 719ceaec73dSDamien Bergamini bus_dmamap_unload(ring->desc_dmat, ring->desc_map); 720ceaec73dSDamien Bergamini bus_dmamem_free(ring->desc_dmat, ring->desc, ring->desc_map); 721ceaec73dSDamien Bergamini } 722ceaec73dSDamien Bergamini 723ceaec73dSDamien Bergamini if (ring->desc_dmat != NULL) 724ceaec73dSDamien Bergamini bus_dma_tag_destroy(ring->desc_dmat); 725ceaec73dSDamien Bergamini 726ceaec73dSDamien Bergamini if (ring->data != NULL) { 727ceaec73dSDamien Bergamini for (i = 0; i < ring->count; i++) { 728ceaec73dSDamien Bergamini data = &ring->data[i]; 729ceaec73dSDamien Bergamini 730ceaec73dSDamien Bergamini if (data->m != NULL) { 731ceaec73dSDamien Bergamini bus_dmamap_sync(ring->data_dmat, data->map, 732ceaec73dSDamien Bergamini BUS_DMASYNC_POSTWRITE); 733ceaec73dSDamien Bergamini bus_dmamap_unload(ring->data_dmat, data->map); 734ceaec73dSDamien Bergamini m_freem(data->m); 735ceaec73dSDamien Bergamini } 736ceaec73dSDamien Bergamini 737ceaec73dSDamien Bergamini if (data->ni != NULL) 738ceaec73dSDamien Bergamini ieee80211_free_node(data->ni); 739ceaec73dSDamien Bergamini 740ceaec73dSDamien Bergamini if (data->map != NULL) 741ceaec73dSDamien Bergamini bus_dmamap_destroy(ring->data_dmat, data->map); 742ceaec73dSDamien Bergamini } 743ceaec73dSDamien Bergamini 744ceaec73dSDamien Bergamini free(ring->data, M_DEVBUF); 745ceaec73dSDamien Bergamini } 746ceaec73dSDamien Bergamini 747ceaec73dSDamien Bergamini if (ring->data_dmat != NULL) 748ceaec73dSDamien Bergamini bus_dma_tag_destroy(ring->data_dmat); 749ceaec73dSDamien Bergamini } 750ceaec73dSDamien Bergamini 751ceaec73dSDamien Bergamini static int 752ceaec73dSDamien Bergamini iwi_alloc_rx_ring(struct iwi_softc *sc, struct iwi_rx_ring *ring, int count) 753ceaec73dSDamien Bergamini { 754ceaec73dSDamien Bergamini struct iwi_rx_data *data; 755ceaec73dSDamien Bergamini int i, error; 756ceaec73dSDamien Bergamini 757ceaec73dSDamien Bergamini ring->count = count; 758ceaec73dSDamien Bergamini ring->cur = 0; 759ceaec73dSDamien Bergamini 760ceaec73dSDamien Bergamini ring->data = malloc(count * sizeof (struct iwi_rx_data), M_DEVBUF, 761ceaec73dSDamien Bergamini M_NOWAIT | M_ZERO); 762ceaec73dSDamien Bergamini if (ring->data == NULL) { 763ceaec73dSDamien Bergamini device_printf(sc->sc_dev, "could not allocate soft data\n"); 764ceaec73dSDamien Bergamini error = ENOMEM; 765ceaec73dSDamien Bergamini goto fail; 766ceaec73dSDamien Bergamini } 767ceaec73dSDamien Bergamini 768b0ea96dfSKevin Lo error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 769b0ea96dfSKevin Lo BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 770b0ea96dfSKevin Lo 1, MCLBYTES, 0, NULL, NULL, &ring->data_dmat); 771ceaec73dSDamien Bergamini if (error != 0) { 772ceaec73dSDamien Bergamini device_printf(sc->sc_dev, "could not create data DMA tag\n"); 773ceaec73dSDamien Bergamini goto fail; 774ceaec73dSDamien Bergamini } 775ceaec73dSDamien Bergamini 776ceaec73dSDamien Bergamini for (i = 0; i < count; i++) { 777ceaec73dSDamien Bergamini data = &ring->data[i]; 778ceaec73dSDamien Bergamini 779ceaec73dSDamien Bergamini error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 780ceaec73dSDamien Bergamini if (error != 0) { 781ceaec73dSDamien Bergamini device_printf(sc->sc_dev, "could not create DMA map\n"); 782ceaec73dSDamien Bergamini goto fail; 783ceaec73dSDamien Bergamini } 784ceaec73dSDamien Bergamini 785c6499eccSGleb Smirnoff data->m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 786ceaec73dSDamien Bergamini if (data->m == NULL) { 787ceaec73dSDamien Bergamini device_printf(sc->sc_dev, 788ceaec73dSDamien Bergamini "could not allocate rx mbuf\n"); 789ceaec73dSDamien Bergamini error = ENOMEM; 790ceaec73dSDamien Bergamini goto fail; 791ceaec73dSDamien Bergamini } 792ceaec73dSDamien Bergamini 793ceaec73dSDamien Bergamini error = bus_dmamap_load(ring->data_dmat, data->map, 794ceaec73dSDamien Bergamini mtod(data->m, void *), MCLBYTES, iwi_dma_map_addr, 795ceaec73dSDamien Bergamini &data->physaddr, 0); 796ceaec73dSDamien Bergamini if (error != 0) { 797ceaec73dSDamien Bergamini device_printf(sc->sc_dev, 798ceaec73dSDamien Bergamini "could not load rx buf DMA map"); 799ceaec73dSDamien Bergamini goto fail; 800ceaec73dSDamien Bergamini } 801ceaec73dSDamien Bergamini 802ceaec73dSDamien Bergamini data->reg = IWI_CSR_RX_BASE + i * 4; 803ceaec73dSDamien Bergamini } 804ceaec73dSDamien Bergamini 805ceaec73dSDamien Bergamini return 0; 806ceaec73dSDamien Bergamini 807ceaec73dSDamien Bergamini fail: iwi_free_rx_ring(sc, ring); 808ceaec73dSDamien Bergamini return error; 809ceaec73dSDamien Bergamini } 810ceaec73dSDamien Bergamini 811ceaec73dSDamien Bergamini static void 812ceaec73dSDamien Bergamini iwi_reset_rx_ring(struct iwi_softc *sc, struct iwi_rx_ring *ring) 813ceaec73dSDamien Bergamini { 814ceaec73dSDamien Bergamini ring->cur = 0; 815ceaec73dSDamien Bergamini } 816ceaec73dSDamien Bergamini 817ceaec73dSDamien Bergamini static void 818ceaec73dSDamien Bergamini iwi_free_rx_ring(struct iwi_softc *sc, struct iwi_rx_ring *ring) 819ceaec73dSDamien Bergamini { 820ceaec73dSDamien Bergamini struct iwi_rx_data *data; 821ceaec73dSDamien Bergamini int i; 822ceaec73dSDamien Bergamini 823ceaec73dSDamien Bergamini if (ring->data != NULL) { 824ceaec73dSDamien Bergamini for (i = 0; i < ring->count; i++) { 825ceaec73dSDamien Bergamini data = &ring->data[i]; 826ceaec73dSDamien Bergamini 827ceaec73dSDamien Bergamini if (data->m != NULL) { 828ceaec73dSDamien Bergamini bus_dmamap_sync(ring->data_dmat, data->map, 829ceaec73dSDamien Bergamini BUS_DMASYNC_POSTREAD); 830ceaec73dSDamien Bergamini bus_dmamap_unload(ring->data_dmat, data->map); 831ceaec73dSDamien Bergamini m_freem(data->m); 832ceaec73dSDamien Bergamini } 833ceaec73dSDamien Bergamini 834ceaec73dSDamien Bergamini if (data->map != NULL) 835ceaec73dSDamien Bergamini bus_dmamap_destroy(ring->data_dmat, data->map); 836ceaec73dSDamien Bergamini } 837ceaec73dSDamien Bergamini 838ceaec73dSDamien Bergamini free(ring->data, M_DEVBUF); 839ceaec73dSDamien Bergamini } 840ceaec73dSDamien Bergamini 841ceaec73dSDamien Bergamini if (ring->data_dmat != NULL) 842ceaec73dSDamien Bergamini bus_dma_tag_destroy(ring->data_dmat); 843ceaec73dSDamien Bergamini } 844ceaec73dSDamien Bergamini 845ceaec73dSDamien Bergamini static int 846ceaec73dSDamien Bergamini iwi_shutdown(device_t dev) 847ceaec73dSDamien Bergamini { 848ceaec73dSDamien Bergamini struct iwi_softc *sc = device_get_softc(dev); 849ceaec73dSDamien Bergamini 850ceaec73dSDamien Bergamini iwi_stop(sc); 851c10b1400SMax Laier iwi_put_firmware(sc); /* ??? XXX */ 852ceaec73dSDamien Bergamini 853ceaec73dSDamien Bergamini return 0; 854ceaec73dSDamien Bergamini } 855ceaec73dSDamien Bergamini 856ceaec73dSDamien Bergamini static int 857ceaec73dSDamien Bergamini iwi_suspend(device_t dev) 858ceaec73dSDamien Bergamini { 859ceaec73dSDamien Bergamini struct iwi_softc *sc = device_get_softc(dev); 860ada977b1SBernhard Schmidt struct ieee80211com *ic = sc->sc_ifp->if_l2com; 861ceaec73dSDamien Bergamini 862ada977b1SBernhard Schmidt ieee80211_suspend_all(ic); 863ceaec73dSDamien Bergamini return 0; 864ceaec73dSDamien Bergamini } 865ceaec73dSDamien Bergamini 866ceaec73dSDamien Bergamini static int 867ceaec73dSDamien Bergamini iwi_resume(device_t dev) 868ceaec73dSDamien Bergamini { 869ceaec73dSDamien Bergamini struct iwi_softc *sc = device_get_softc(dev); 870ada977b1SBernhard Schmidt struct ieee80211com *ic = sc->sc_ifp->if_l2com; 871ceaec73dSDamien Bergamini 872acea4241SDamien Bergamini pci_write_config(dev, 0x41, 0, 1); 873acea4241SDamien Bergamini 874ada977b1SBernhard Schmidt ieee80211_resume_all(ic); 875ceaec73dSDamien Bergamini return 0; 876ceaec73dSDamien Bergamini } 877ceaec73dSDamien Bergamini 87828a38073SDamien Bergamini static struct ieee80211_node * 87938c208f8SSam Leffler iwi_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 88028a38073SDamien Bergamini { 88128a38073SDamien Bergamini struct iwi_node *in; 88228a38073SDamien Bergamini 88328a38073SDamien Bergamini in = malloc(sizeof (struct iwi_node), M_80211_NODE, M_NOWAIT | M_ZERO); 88428a38073SDamien Bergamini if (in == NULL) 88528a38073SDamien Bergamini return NULL; 88638c208f8SSam Leffler /* XXX assign sta table entry for adhoc */ 88728a38073SDamien Bergamini in->in_station = -1; 88828a38073SDamien Bergamini 88928a38073SDamien Bergamini return &in->in_node; 89028a38073SDamien Bergamini } 89128a38073SDamien Bergamini 89228a38073SDamien Bergamini static void 89328a38073SDamien Bergamini iwi_node_free(struct ieee80211_node *ni) 89428a38073SDamien Bergamini { 89528a38073SDamien Bergamini struct ieee80211com *ic = ni->ni_ic; 89628a38073SDamien Bergamini struct iwi_softc *sc = ic->ic_ifp->if_softc; 89728a38073SDamien Bergamini struct iwi_node *in = (struct iwi_node *)ni; 89828a38073SDamien Bergamini 899c10b1400SMax Laier if (in->in_station != -1) { 900c10b1400SMax Laier DPRINTF(("%s mac %6D station %u\n", __func__, 901c10b1400SMax Laier ni->ni_macaddr, ":", in->in_station)); 90228a38073SDamien Bergamini free_unr(sc->sc_unr, in->in_station); 903c10b1400SMax Laier } 90428a38073SDamien Bergamini 90528a38073SDamien Bergamini sc->sc_node_free(ni); 90628a38073SDamien Bergamini } 90728a38073SDamien Bergamini 908c10b1400SMax Laier /* 909c10b1400SMax Laier * Convert h/w rate code to IEEE rate code. 910c10b1400SMax Laier */ 911c10b1400SMax Laier static int 912c10b1400SMax Laier iwi_cvtrate(int iwirate) 913c10b1400SMax Laier { 914c10b1400SMax Laier switch (iwirate) { 915c10b1400SMax Laier case IWI_RATE_DS1: return 2; 916c10b1400SMax Laier case IWI_RATE_DS2: return 4; 917c10b1400SMax Laier case IWI_RATE_DS5: return 11; 918c10b1400SMax Laier case IWI_RATE_DS11: return 22; 919c10b1400SMax Laier case IWI_RATE_OFDM6: return 12; 920c10b1400SMax Laier case IWI_RATE_OFDM9: return 18; 921c10b1400SMax Laier case IWI_RATE_OFDM12: return 24; 922c10b1400SMax Laier case IWI_RATE_OFDM18: return 36; 923c10b1400SMax Laier case IWI_RATE_OFDM24: return 48; 924c10b1400SMax Laier case IWI_RATE_OFDM36: return 72; 925c10b1400SMax Laier case IWI_RATE_OFDM48: return 96; 926c10b1400SMax Laier case IWI_RATE_OFDM54: return 108; 927c10b1400SMax Laier } 928ceaec73dSDamien Bergamini return 0; 929ceaec73dSDamien Bergamini } 930ceaec73dSDamien Bergamini 931ceaec73dSDamien Bergamini /* 93228a38073SDamien Bergamini * The firmware automatically adapts the transmit speed. We report its current 93328a38073SDamien Bergamini * value here. 934ceaec73dSDamien Bergamini */ 935ceaec73dSDamien Bergamini static void 936ceaec73dSDamien Bergamini iwi_media_status(struct ifnet *ifp, struct ifmediareq *imr) 937ceaec73dSDamien Bergamini { 938b032f27cSSam Leffler struct ieee80211vap *vap = ifp->if_softc; 939b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 940b032f27cSSam Leffler struct iwi_softc *sc = ic->ic_ifp->if_softc; 94139bb444cSAdrian Chadd struct ieee80211_node *ni; 942ceaec73dSDamien Bergamini 943ceaec73dSDamien Bergamini /* read current transmission rate from adapter */ 94439bb444cSAdrian Chadd ni = ieee80211_ref_node(vap->iv_bss); 94539bb444cSAdrian Chadd ni->ni_txrate = 946b032f27cSSam Leffler iwi_cvtrate(CSR_READ_4(sc, IWI_CSR_CURRENT_TX_RATE)); 94739bb444cSAdrian Chadd ieee80211_free_node(ni); 948b032f27cSSam Leffler ieee80211_media_status(ifp, imr); 949ceaec73dSDamien Bergamini } 950ceaec73dSDamien Bergamini 951ceaec73dSDamien Bergamini static int 952b032f27cSSam Leffler iwi_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 953ceaec73dSDamien Bergamini { 954b032f27cSSam Leffler struct iwi_vap *ivp = IWI_VAP(vap); 955b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 956ceaec73dSDamien Bergamini struct ifnet *ifp = ic->ic_ifp; 957ceaec73dSDamien Bergamini struct iwi_softc *sc = ifp->if_softc; 958b032f27cSSam Leffler IWI_LOCK_DECL; 95984f55b29SDamien Bergamini 960c10b1400SMax Laier DPRINTF(("%s: %s -> %s flags 0x%x\n", __func__, 961b032f27cSSam Leffler ieee80211_state_name[vap->iv_state], 962c10b1400SMax Laier ieee80211_state_name[nstate], sc->flags)); 963ceaec73dSDamien Bergamini 9645efea30fSAndrew Thompson IEEE80211_UNLOCK(ic); 9655efea30fSAndrew Thompson IWI_LOCK(sc); 966ceaec73dSDamien Bergamini switch (nstate) { 967b032f27cSSam Leffler case IEEE80211_S_INIT: 968b032f27cSSam Leffler /* 969b032f27cSSam Leffler * NB: don't try to do this if iwi_stop_master has 970b032f27cSSam Leffler * shutdown the firmware and disabled interrupts. 971b032f27cSSam Leffler */ 972b032f27cSSam Leffler if (vap->iv_state == IEEE80211_S_RUN && 973b032f27cSSam Leffler (sc->flags & IWI_FLAG_FW_INITED)) 9745efea30fSAndrew Thompson iwi_disassociate(sc, 0); 975ceaec73dSDamien Bergamini break; 976b032f27cSSam Leffler case IEEE80211_S_AUTH: 9775efea30fSAndrew Thompson iwi_auth_and_assoc(sc, vap); 9785efea30fSAndrew Thompson break; 979ceaec73dSDamien Bergamini case IEEE80211_S_RUN: 980b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_IBSS && 981b032f27cSSam Leffler vap->iv_state == IEEE80211_S_SCAN) { 982c10b1400SMax Laier /* 983c10b1400SMax Laier * XXX when joining an ibss network we are called 984c10b1400SMax Laier * with a SCAN -> RUN transition on scan complete. 985c10b1400SMax Laier * Use that to call iwi_auth_and_assoc. On completing 986c10b1400SMax Laier * the join we are then called again with an 987c10b1400SMax Laier * AUTH -> RUN transition and we want to do nothing. 988c10b1400SMax Laier * This is all totally bogus and needs to be redone. 989c10b1400SMax Laier */ 9905efea30fSAndrew Thompson iwi_auth_and_assoc(sc, vap); 99140668dc5SBernhard Schmidt } else if (vap->iv_opmode == IEEE80211_M_MONITOR) 99240668dc5SBernhard Schmidt ieee80211_runtask(ic, &sc->sc_monitortask); 993acea4241SDamien Bergamini break; 99468e8e04eSSam Leffler case IEEE80211_S_ASSOC: 99568e8e04eSSam Leffler /* 996b032f27cSSam Leffler * If we are transitioning from AUTH then just wait 997b032f27cSSam Leffler * for the ASSOC status to come back from the firmware. 998b032f27cSSam Leffler * Otherwise we need to issue the association request. 99968e8e04eSSam Leffler */ 1000b032f27cSSam Leffler if (vap->iv_state == IEEE80211_S_AUTH) 100168e8e04eSSam Leffler break; 10025efea30fSAndrew Thompson iwi_auth_and_assoc(sc, vap); 10035efea30fSAndrew Thompson break; 100468e8e04eSSam Leffler default: 1005ceaec73dSDamien Bergamini break; 1006ceaec73dSDamien Bergamini } 10075efea30fSAndrew Thompson IWI_UNLOCK(sc); 10085efea30fSAndrew Thompson IEEE80211_LOCK(ic); 1009b032f27cSSam Leffler return ivp->iwi_newstate(vap, nstate, arg); 1010ceaec73dSDamien Bergamini } 1011ceaec73dSDamien Bergamini 1012fb533d55SDamien Bergamini /* 1013fb533d55SDamien Bergamini * WME parameters coming from IEEE 802.11e specification. These values are 1014fb533d55SDamien Bergamini * already declared in ieee80211_proto.c, but they are static so they can't 1015fb533d55SDamien Bergamini * be reused here. 1016fb533d55SDamien Bergamini */ 1017fb533d55SDamien Bergamini static const struct wmeParams iwi_wme_cck_params[WME_NUM_AC] = { 1018fb533d55SDamien Bergamini { 0, 3, 5, 7, 0 }, /* WME_AC_BE */ 1019fb533d55SDamien Bergamini { 0, 3, 5, 10, 0 }, /* WME_AC_BK */ 1020fb533d55SDamien Bergamini { 0, 2, 4, 5, 188 }, /* WME_AC_VI */ 1021fb533d55SDamien Bergamini { 0, 2, 3, 4, 102 } /* WME_AC_VO */ 1022fb533d55SDamien Bergamini }; 1023fb533d55SDamien Bergamini 1024fb533d55SDamien Bergamini static const struct wmeParams iwi_wme_ofdm_params[WME_NUM_AC] = { 1025fb533d55SDamien Bergamini { 0, 3, 4, 6, 0 }, /* WME_AC_BE */ 1026fb533d55SDamien Bergamini { 0, 3, 4, 10, 0 }, /* WME_AC_BK */ 1027fb533d55SDamien Bergamini { 0, 2, 3, 4, 94 }, /* WME_AC_VI */ 1028fb533d55SDamien Bergamini { 0, 2, 2, 3, 47 } /* WME_AC_VO */ 1029fb533d55SDamien Bergamini }; 1030fb533d55SDamien Bergamini #define IWI_EXP2(v) htole16((1 << (v)) - 1) 1031fb533d55SDamien Bergamini #define IWI_USEC(v) htole16(IEEE80211_TXOP_TO_US(v)) 1032c10b1400SMax Laier 1033c10b1400SMax Laier static void 1034c10b1400SMax Laier iwi_wme_init(struct iwi_softc *sc) 1035c10b1400SMax Laier { 1036fb533d55SDamien Bergamini const struct wmeParams *wmep; 1037fb533d55SDamien Bergamini int ac; 1038ec01dc2bSDamien Bergamini 1039c10b1400SMax Laier memset(sc->wme, 0, sizeof sc->wme); 1040c10b1400SMax Laier for (ac = 0; ac < WME_NUM_AC; ac++) { 1041c10b1400SMax Laier /* set WME values for CCK modulation */ 1042c10b1400SMax Laier wmep = &iwi_wme_cck_params[ac]; 1043c10b1400SMax Laier sc->wme[1].aifsn[ac] = wmep->wmep_aifsn; 1044c10b1400SMax Laier sc->wme[1].cwmin[ac] = IWI_EXP2(wmep->wmep_logcwmin); 1045c10b1400SMax Laier sc->wme[1].cwmax[ac] = IWI_EXP2(wmep->wmep_logcwmax); 1046c10b1400SMax Laier sc->wme[1].burst[ac] = IWI_USEC(wmep->wmep_txopLimit); 1047c10b1400SMax Laier sc->wme[1].acm[ac] = wmep->wmep_acm; 1048c10b1400SMax Laier 1049c10b1400SMax Laier /* set WME values for OFDM modulation */ 1050c10b1400SMax Laier wmep = &iwi_wme_ofdm_params[ac]; 1051c10b1400SMax Laier sc->wme[2].aifsn[ac] = wmep->wmep_aifsn; 1052c10b1400SMax Laier sc->wme[2].cwmin[ac] = IWI_EXP2(wmep->wmep_logcwmin); 1053c10b1400SMax Laier sc->wme[2].cwmax[ac] = IWI_EXP2(wmep->wmep_logcwmax); 1054c10b1400SMax Laier sc->wme[2].burst[ac] = IWI_USEC(wmep->wmep_txopLimit); 1055c10b1400SMax Laier sc->wme[2].acm[ac] = wmep->wmep_acm; 1056c10b1400SMax Laier } 1057c10b1400SMax Laier } 1058c10b1400SMax Laier 1059c10b1400SMax Laier static int 1060b032f27cSSam Leffler iwi_wme_setparams(struct iwi_softc *sc, struct ieee80211com *ic) 1061c10b1400SMax Laier { 1062c10b1400SMax Laier const struct wmeParams *wmep; 1063c10b1400SMax Laier int ac; 1064fb533d55SDamien Bergamini 1065fb533d55SDamien Bergamini for (ac = 0; ac < WME_NUM_AC; ac++) { 1066fb533d55SDamien Bergamini /* set WME values for current operating mode */ 1067fb533d55SDamien Bergamini wmep = &ic->ic_wme.wme_chanParams.cap_wmeParams[ac]; 1068c10b1400SMax Laier sc->wme[0].aifsn[ac] = wmep->wmep_aifsn; 1069c10b1400SMax Laier sc->wme[0].cwmin[ac] = IWI_EXP2(wmep->wmep_logcwmin); 1070c10b1400SMax Laier sc->wme[0].cwmax[ac] = IWI_EXP2(wmep->wmep_logcwmax); 1071c10b1400SMax Laier sc->wme[0].burst[ac] = IWI_USEC(wmep->wmep_txopLimit); 1072c10b1400SMax Laier sc->wme[0].acm[ac] = wmep->wmep_acm; 1073fb533d55SDamien Bergamini } 1074fb533d55SDamien Bergamini 1075fb533d55SDamien Bergamini DPRINTF(("Setting WME parameters\n")); 1076c10b1400SMax Laier return iwi_cmd(sc, IWI_CMD_SET_WME_PARAMS, sc->wme, sizeof sc->wme); 1077c10b1400SMax Laier } 1078fb533d55SDamien Bergamini #undef IWI_USEC 1079fb533d55SDamien Bergamini #undef IWI_EXP2 1080c10b1400SMax Laier 1081853569c6SSam Leffler static void 1082853569c6SSam Leffler iwi_update_wme(void *arg, int npending) 1083853569c6SSam Leffler { 1084853569c6SSam Leffler struct ieee80211com *ic = arg; 1085853569c6SSam Leffler struct iwi_softc *sc = ic->ic_ifp->if_softc; 1086853569c6SSam Leffler IWI_LOCK_DECL; 1087853569c6SSam Leffler 1088853569c6SSam Leffler IWI_LOCK(sc); 1089853569c6SSam Leffler (void) iwi_wme_setparams(sc, ic); 1090853569c6SSam Leffler IWI_UNLOCK(sc); 1091853569c6SSam Leffler } 1092853569c6SSam Leffler 1093c10b1400SMax Laier static int 1094c10b1400SMax Laier iwi_wme_update(struct ieee80211com *ic) 1095c10b1400SMax Laier { 1096c10b1400SMax Laier struct iwi_softc *sc = ic->ic_ifp->if_softc; 10975efea30fSAndrew Thompson struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1098c10b1400SMax Laier 1099c10b1400SMax Laier /* 1100c10b1400SMax Laier * We may be called to update the WME parameters in 1101c10b1400SMax Laier * the adapter at various places. If we're already 1102853569c6SSam Leffler * associated then initiate the request immediately; 1103853569c6SSam Leffler * otherwise we assume the params will get sent down 1104853569c6SSam Leffler * to the adapter as part of the work iwi_auth_and_assoc 1105853569c6SSam Leffler * does. 1106c10b1400SMax Laier */ 11075efea30fSAndrew Thompson if (vap->iv_state == IEEE80211_S_RUN) 1108853569c6SSam Leffler ieee80211_runtask(ic, &sc->sc_wmetask); 11095efea30fSAndrew Thompson return (0); 1110c10b1400SMax Laier } 1111c10b1400SMax Laier 1112c10b1400SMax Laier static int 1113c10b1400SMax Laier iwi_wme_setie(struct iwi_softc *sc) 1114c10b1400SMax Laier { 1115c10b1400SMax Laier struct ieee80211_wme_info wme; 1116c10b1400SMax Laier 1117c10b1400SMax Laier memset(&wme, 0, sizeof wme); 1118c10b1400SMax Laier wme.wme_id = IEEE80211_ELEMID_VENDOR; 1119c10b1400SMax Laier wme.wme_len = sizeof (struct ieee80211_wme_info) - 2; 1120c10b1400SMax Laier wme.wme_oui[0] = 0x00; 1121c10b1400SMax Laier wme.wme_oui[1] = 0x50; 1122c10b1400SMax Laier wme.wme_oui[2] = 0xf2; 1123c10b1400SMax Laier wme.wme_type = WME_OUI_TYPE; 1124c10b1400SMax Laier wme.wme_subtype = WME_INFO_OUI_SUBTYPE; 1125c10b1400SMax Laier wme.wme_version = WME_VERSION; 1126c10b1400SMax Laier wme.wme_info = 0; 1127c10b1400SMax Laier 1128c10b1400SMax Laier DPRINTF(("Setting WME IE (len=%u)\n", wme.wme_len)); 1129c10b1400SMax Laier return iwi_cmd(sc, IWI_CMD_SET_WMEIE, &wme, sizeof wme); 1130ec01dc2bSDamien Bergamini } 1131ec01dc2bSDamien Bergamini 1132ceaec73dSDamien Bergamini /* 1133ceaec73dSDamien Bergamini * Read 16 bits at address 'addr' from the serial EEPROM. 1134ceaec73dSDamien Bergamini */ 1135ceaec73dSDamien Bergamini static uint16_t 1136ceaec73dSDamien Bergamini iwi_read_prom_word(struct iwi_softc *sc, uint8_t addr) 1137ceaec73dSDamien Bergamini { 1138ceaec73dSDamien Bergamini uint32_t tmp; 1139ceaec73dSDamien Bergamini uint16_t val; 1140ceaec73dSDamien Bergamini int n; 1141ceaec73dSDamien Bergamini 1142ceaec73dSDamien Bergamini /* clock C once before the first command */ 1143ceaec73dSDamien Bergamini IWI_EEPROM_CTL(sc, 0); 1144ceaec73dSDamien Bergamini IWI_EEPROM_CTL(sc, IWI_EEPROM_S); 1145ceaec73dSDamien Bergamini IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_C); 1146ceaec73dSDamien Bergamini IWI_EEPROM_CTL(sc, IWI_EEPROM_S); 1147ceaec73dSDamien Bergamini 1148ceaec73dSDamien Bergamini /* write start bit (1) */ 1149ceaec73dSDamien Bergamini IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_D); 1150ceaec73dSDamien Bergamini IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_D | IWI_EEPROM_C); 1151ceaec73dSDamien Bergamini 1152ceaec73dSDamien Bergamini /* write READ opcode (10) */ 1153ceaec73dSDamien Bergamini IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_D); 1154ceaec73dSDamien Bergamini IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_D | IWI_EEPROM_C); 1155ceaec73dSDamien Bergamini IWI_EEPROM_CTL(sc, IWI_EEPROM_S); 1156ceaec73dSDamien Bergamini IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_C); 1157ceaec73dSDamien Bergamini 1158ceaec73dSDamien Bergamini /* write address A7-A0 */ 1159ceaec73dSDamien Bergamini for (n = 7; n >= 0; n--) { 1160ceaec73dSDamien Bergamini IWI_EEPROM_CTL(sc, IWI_EEPROM_S | 1161ceaec73dSDamien Bergamini (((addr >> n) & 1) << IWI_EEPROM_SHIFT_D)); 1162ceaec73dSDamien Bergamini IWI_EEPROM_CTL(sc, IWI_EEPROM_S | 1163ceaec73dSDamien Bergamini (((addr >> n) & 1) << IWI_EEPROM_SHIFT_D) | IWI_EEPROM_C); 1164ceaec73dSDamien Bergamini } 1165ceaec73dSDamien Bergamini 1166ceaec73dSDamien Bergamini IWI_EEPROM_CTL(sc, IWI_EEPROM_S); 1167ceaec73dSDamien Bergamini 1168ceaec73dSDamien Bergamini /* read data Q15-Q0 */ 1169ceaec73dSDamien Bergamini val = 0; 1170ceaec73dSDamien Bergamini for (n = 15; n >= 0; n--) { 1171ceaec73dSDamien Bergamini IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_C); 1172ceaec73dSDamien Bergamini IWI_EEPROM_CTL(sc, IWI_EEPROM_S); 1173ceaec73dSDamien Bergamini tmp = MEM_READ_4(sc, IWI_MEM_EEPROM_CTL); 1174ceaec73dSDamien Bergamini val |= ((tmp & IWI_EEPROM_Q) >> IWI_EEPROM_SHIFT_Q) << n; 1175ceaec73dSDamien Bergamini } 1176ceaec73dSDamien Bergamini 1177ceaec73dSDamien Bergamini IWI_EEPROM_CTL(sc, 0); 1178ceaec73dSDamien Bergamini 1179ceaec73dSDamien Bergamini /* clear Chip Select and clock C */ 1180ceaec73dSDamien Bergamini IWI_EEPROM_CTL(sc, IWI_EEPROM_S); 1181ceaec73dSDamien Bergamini IWI_EEPROM_CTL(sc, 0); 1182ceaec73dSDamien Bergamini IWI_EEPROM_CTL(sc, IWI_EEPROM_C); 1183ceaec73dSDamien Bergamini 118481e6343cSDamien Bergamini return val; 1185ceaec73dSDamien Bergamini } 1186ceaec73dSDamien Bergamini 1187ceaec73dSDamien Bergamini static void 1188c10b1400SMax Laier iwi_setcurchan(struct iwi_softc *sc, int chan) 1189ceaec73dSDamien Bergamini { 1190b032f27cSSam Leffler struct ifnet *ifp = sc->sc_ifp; 1191b032f27cSSam Leffler struct ieee80211com *ic = ifp->if_l2com; 1192ceaec73dSDamien Bergamini 1193c10b1400SMax Laier sc->curchan = chan; 11945463c4a4SSam Leffler ieee80211_radiotap_chan_change(ic); 1195ceaec73dSDamien Bergamini } 1196ceaec73dSDamien Bergamini 1197ceaec73dSDamien Bergamini static void 1198ceaec73dSDamien Bergamini iwi_frame_intr(struct iwi_softc *sc, struct iwi_rx_data *data, int i, 1199ceaec73dSDamien Bergamini struct iwi_frame *frame) 1200ceaec73dSDamien Bergamini { 1201b032f27cSSam Leffler struct ifnet *ifp = sc->sc_ifp; 1202b032f27cSSam Leffler struct ieee80211com *ic = ifp->if_l2com; 120346c34436SDamien Bergamini struct mbuf *mnew, *m; 1204ceaec73dSDamien Bergamini struct ieee80211_node *ni; 1205c10b1400SMax Laier int type, error, framelen; 12065463c4a4SSam Leffler int8_t rssi, nf; 1207294410acSMax Laier IWI_LOCK_DECL; 1208ceaec73dSDamien Bergamini 1209c10b1400SMax Laier framelen = le16toh(frame->len); 1210c10b1400SMax Laier if (framelen < IEEE80211_MIN_LEN || framelen > MCLBYTES) { 1211c10b1400SMax Laier /* 1212c10b1400SMax Laier * XXX >MCLBYTES is bogus as it means the h/w dma'd 1213c10b1400SMax Laier * out of bounds; need to figure out how to limit 1214c10b1400SMax Laier * frame size in the firmware 1215c10b1400SMax Laier */ 1216c10b1400SMax Laier /* XXX stat */ 1217c10b1400SMax Laier DPRINTFN(1, 1218c10b1400SMax Laier ("drop rx frame len=%u chan=%u rssi=%u rssi_dbm=%u\n", 1219c10b1400SMax Laier le16toh(frame->len), frame->chan, frame->rssi, 1220c10b1400SMax Laier frame->rssi_dbm)); 1221acea4241SDamien Bergamini return; 1222c10b1400SMax Laier } 1223c10b1400SMax Laier 1224c10b1400SMax Laier DPRINTFN(5, ("received frame len=%u chan=%u rssi=%u rssi_dbm=%u\n", 1225c10b1400SMax Laier le16toh(frame->len), frame->chan, frame->rssi, frame->rssi_dbm)); 1226c10b1400SMax Laier 1227c10b1400SMax Laier if (frame->chan != sc->curchan) 1228c10b1400SMax Laier iwi_setcurchan(sc, frame->chan); 1229acea4241SDamien Bergamini 123046c34436SDamien Bergamini /* 123146c34436SDamien Bergamini * Try to allocate a new mbuf for this ring element and load it before 123246c34436SDamien Bergamini * processing the current mbuf. If the ring element cannot be loaded, 123346c34436SDamien Bergamini * drop the received packet and reuse the old mbuf. In the unlikely 123446c34436SDamien Bergamini * case that the old mbuf can't be reloaded either, explicitly panic. 123546c34436SDamien Bergamini */ 1236c6499eccSGleb Smirnoff mnew = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 123746c34436SDamien Bergamini if (mnew == NULL) { 123846c34436SDamien Bergamini ifp->if_ierrors++; 123946c34436SDamien Bergamini return; 124046c34436SDamien Bergamini } 124146c34436SDamien Bergamini 1242ceaec73dSDamien Bergamini bus_dmamap_unload(sc->rxq.data_dmat, data->map); 1243ceaec73dSDamien Bergamini 124446c34436SDamien Bergamini error = bus_dmamap_load(sc->rxq.data_dmat, data->map, 124546c34436SDamien Bergamini mtod(mnew, void *), MCLBYTES, iwi_dma_map_addr, &data->physaddr, 124646c34436SDamien Bergamini 0); 124746c34436SDamien Bergamini if (error != 0) { 124846c34436SDamien Bergamini m_freem(mnew); 124946c34436SDamien Bergamini 125046c34436SDamien Bergamini /* try to reload the old mbuf */ 125146c34436SDamien Bergamini error = bus_dmamap_load(sc->rxq.data_dmat, data->map, 125246c34436SDamien Bergamini mtod(data->m, void *), MCLBYTES, iwi_dma_map_addr, 125346c34436SDamien Bergamini &data->physaddr, 0); 125446c34436SDamien Bergamini if (error != 0) { 125546c34436SDamien Bergamini /* very unlikely that it will fail... */ 125646c34436SDamien Bergamini panic("%s: could not load old rx mbuf", 125746c34436SDamien Bergamini device_get_name(sc->sc_dev)); 125846c34436SDamien Bergamini } 125946c34436SDamien Bergamini ifp->if_ierrors++; 126046c34436SDamien Bergamini return; 126146c34436SDamien Bergamini } 126246c34436SDamien Bergamini 126346c34436SDamien Bergamini /* 126446c34436SDamien Bergamini * New mbuf successfully loaded, update Rx ring and continue 126546c34436SDamien Bergamini * processing. 126646c34436SDamien Bergamini */ 1267ceaec73dSDamien Bergamini m = data->m; 126846c34436SDamien Bergamini data->m = mnew; 126946c34436SDamien Bergamini CSR_WRITE_4(sc, data->reg, data->physaddr); 127046c34436SDamien Bergamini 127146c34436SDamien Bergamini /* finalize mbuf */ 1272ceaec73dSDamien Bergamini m->m_pkthdr.rcvif = ifp; 1273ceaec73dSDamien Bergamini m->m_pkthdr.len = m->m_len = sizeof (struct iwi_hdr) + 1274c10b1400SMax Laier sizeof (struct iwi_frame) + framelen; 1275ceaec73dSDamien Bergamini 1276ceaec73dSDamien Bergamini m_adj(m, sizeof (struct iwi_hdr) + sizeof (struct iwi_frame)); 1277ceaec73dSDamien Bergamini 1278fedda423SSam Leffler rssi = frame->rssi_dbm; 12795463c4a4SSam Leffler nf = -95; 12805463c4a4SSam Leffler if (ieee80211_radiotap_active(ic)) { 1281ceaec73dSDamien Bergamini struct iwi_rx_radiotap_header *tap = &sc->sc_rxtap; 1282ceaec73dSDamien Bergamini 1283ceaec73dSDamien Bergamini tap->wr_flags = 0; 12845463c4a4SSam Leffler tap->wr_antsignal = rssi; 12855463c4a4SSam Leffler tap->wr_antnoise = nf; 1286c10b1400SMax Laier tap->wr_rate = iwi_cvtrate(frame->rate); 1287ceaec73dSDamien Bergamini tap->wr_antenna = frame->antenna; 1288ceaec73dSDamien Bergamini } 1289294410acSMax Laier IWI_UNLOCK(sc); 1290ceaec73dSDamien Bergamini 1291c10b1400SMax Laier ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *)); 1292b032f27cSSam Leffler if (ni != NULL) { 12935463c4a4SSam Leffler type = ieee80211_input(ni, m, rssi, nf); 1294ceaec73dSDamien Bergamini ieee80211_free_node(ni); 1295b032f27cSSam Leffler } else 12965463c4a4SSam Leffler type = ieee80211_input_all(ic, m, rssi, nf); 1297c10b1400SMax Laier 1298294410acSMax Laier IWI_LOCK(sc); 1299c10b1400SMax Laier if (sc->sc_softled) { 1300c10b1400SMax Laier /* 1301c10b1400SMax Laier * Blink for any data frame. Otherwise do a 1302c10b1400SMax Laier * heartbeat-style blink when idle. The latter 1303c10b1400SMax Laier * is mainly for station mode where we depend on 1304c10b1400SMax Laier * periodic beacon frames to trigger the poll event. 1305c10b1400SMax Laier */ 1306c10b1400SMax Laier if (type == IEEE80211_FC0_TYPE_DATA) { 1307c10b1400SMax Laier sc->sc_rxrate = frame->rate; 1308c10b1400SMax Laier iwi_led_event(sc, IWI_LED_RX); 1309c10b1400SMax Laier } else if (ticks - sc->sc_ledevent >= sc->sc_ledidle) 1310c10b1400SMax Laier iwi_led_event(sc, IWI_LED_POLL); 1311c10b1400SMax Laier } 1312c10b1400SMax Laier } 1313c10b1400SMax Laier 1314c10b1400SMax Laier /* 1315c10b1400SMax Laier * Check for an association response frame to see if QoS 1316c10b1400SMax Laier * has been negotiated. We parse just enough to figure 1317c10b1400SMax Laier * out if we're supposed to use QoS. The proper solution 1318c10b1400SMax Laier * is to pass the frame up so ieee80211_input can do the 1319c10b1400SMax Laier * work but that's made hard by how things currently are 1320c10b1400SMax Laier * done in the driver. 1321c10b1400SMax Laier */ 1322c10b1400SMax Laier static void 1323b032f27cSSam Leffler iwi_checkforqos(struct ieee80211vap *vap, 1324b032f27cSSam Leffler const struct ieee80211_frame *wh, int len) 1325c10b1400SMax Laier { 1326c10b1400SMax Laier #define SUBTYPE(wh) ((wh)->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) 1327c10b1400SMax Laier const uint8_t *frm, *efrm, *wme; 1328c10b1400SMax Laier struct ieee80211_node *ni; 132968e8e04eSSam Leffler uint16_t capinfo, status, associd; 1330c10b1400SMax Laier 1331c10b1400SMax Laier /* NB: +8 for capinfo, status, associd, and first ie */ 1332c10b1400SMax Laier if (!(sizeof(*wh)+8 < len && len < IEEE80211_MAX_LEN) || 1333c10b1400SMax Laier SUBTYPE(wh) != IEEE80211_FC0_SUBTYPE_ASSOC_RESP) 1334c10b1400SMax Laier return; 1335c10b1400SMax Laier /* 1336c10b1400SMax Laier * asresp frame format 1337c10b1400SMax Laier * [2] capability information 1338c10b1400SMax Laier * [2] status 1339c10b1400SMax Laier * [2] association ID 1340c10b1400SMax Laier * [tlv] supported rates 1341c10b1400SMax Laier * [tlv] extended supported rates 1342c10b1400SMax Laier * [tlv] WME 1343c10b1400SMax Laier */ 1344c10b1400SMax Laier frm = (const uint8_t *)&wh[1]; 1345c10b1400SMax Laier efrm = ((const uint8_t *) wh) + len; 134668e8e04eSSam Leffler 134768e8e04eSSam Leffler capinfo = le16toh(*(const uint16_t *)frm); 134868e8e04eSSam Leffler frm += 2; 134968e8e04eSSam Leffler status = le16toh(*(const uint16_t *)frm); 135068e8e04eSSam Leffler frm += 2; 135168e8e04eSSam Leffler associd = le16toh(*(const uint16_t *)frm); 135268e8e04eSSam Leffler frm += 2; 1353c10b1400SMax Laier 1354c10b1400SMax Laier wme = NULL; 13557199b6f7SMitsuru IWASAKI while (efrm - frm > 1) { 13567199b6f7SMitsuru IWASAKI IEEE80211_VERIFY_LENGTH(efrm - frm, frm[1] + 2, return); 1357c10b1400SMax Laier switch (*frm) { 1358c10b1400SMax Laier case IEEE80211_ELEMID_VENDOR: 1359c10b1400SMax Laier if (iswmeoui(frm)) 1360c10b1400SMax Laier wme = frm; 1361c10b1400SMax Laier break; 1362c10b1400SMax Laier } 1363c10b1400SMax Laier frm += frm[1] + 2; 1364c10b1400SMax Laier } 1365c10b1400SMax Laier 136639bb444cSAdrian Chadd ni = ieee80211_ref_node(vap->iv_bss); 136768e8e04eSSam Leffler ni->ni_capinfo = capinfo; 13689f953145SBernhard Schmidt ni->ni_associd = associd & 0x3fff; 1369c10b1400SMax Laier if (wme != NULL) 1370c10b1400SMax Laier ni->ni_flags |= IEEE80211_NODE_QOS; 1371c10b1400SMax Laier else 1372c10b1400SMax Laier ni->ni_flags &= ~IEEE80211_NODE_QOS; 137339bb444cSAdrian Chadd ieee80211_free_node(ni); 1374c10b1400SMax Laier #undef SUBTYPE 1375ceaec73dSDamien Bergamini } 1376ceaec73dSDamien Bergamini 1377*4982d693SAdrian Chadd static void 1378*4982d693SAdrian Chadd iwi_notif_link_quality(struct iwi_softc *sc, struct iwi_notif *notif) 1379*4982d693SAdrian Chadd { 1380*4982d693SAdrian Chadd struct iwi_notif_link_quality *lq; 1381*4982d693SAdrian Chadd int len; 1382*4982d693SAdrian Chadd 1383*4982d693SAdrian Chadd len = le16toh(notif->len); 1384*4982d693SAdrian Chadd 1385*4982d693SAdrian Chadd DPRINTFN(5, ("Notification (%u) - len=%d, sizeof=%d\n", 1386*4982d693SAdrian Chadd notif->type, 1387*4982d693SAdrian Chadd len, 1388*4982d693SAdrian Chadd sizeof(struct iwi_notif_link_quality) 1389*4982d693SAdrian Chadd )); 1390*4982d693SAdrian Chadd 1391*4982d693SAdrian Chadd /* enforce length */ 1392*4982d693SAdrian Chadd if (len != sizeof(struct iwi_notif_link_quality)) { 1393*4982d693SAdrian Chadd DPRINTFN(5, ("Notification: (%u) too short (%d)\n", 1394*4982d693SAdrian Chadd notif->type, 1395*4982d693SAdrian Chadd len)); 1396*4982d693SAdrian Chadd return; 1397*4982d693SAdrian Chadd } 1398*4982d693SAdrian Chadd 1399*4982d693SAdrian Chadd lq = (struct iwi_notif_link_quality *)(notif + 1); 1400*4982d693SAdrian Chadd memcpy(&sc->sc_linkqual, lq, sizeof(sc->sc_linkqual)); 1401*4982d693SAdrian Chadd sc->sc_linkqual_valid = 1; 1402*4982d693SAdrian Chadd } 1403*4982d693SAdrian Chadd 1404b032f27cSSam Leffler /* 1405b032f27cSSam Leffler * Task queue callbacks for iwi_notification_intr used to avoid LOR's. 1406b032f27cSSam Leffler */ 1407b032f27cSSam Leffler 1408b032f27cSSam Leffler static void 1409ceaec73dSDamien Bergamini iwi_notification_intr(struct iwi_softc *sc, struct iwi_notif *notif) 1410ceaec73dSDamien Bergamini { 1411b032f27cSSam Leffler struct ifnet *ifp = sc->sc_ifp; 1412b032f27cSSam Leffler struct ieee80211com *ic = ifp->if_l2com; 1413b032f27cSSam Leffler struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1414ceaec73dSDamien Bergamini struct iwi_notif_scan_channel *chan; 1415ceaec73dSDamien Bergamini struct iwi_notif_scan_complete *scan; 1416ceaec73dSDamien Bergamini struct iwi_notif_authentication *auth; 1417ceaec73dSDamien Bergamini struct iwi_notif_association *assoc; 1418c10b1400SMax Laier struct iwi_notif_beacon_state *beacon; 1419ceaec73dSDamien Bergamini 1420ceaec73dSDamien Bergamini switch (notif->type) { 1421ceaec73dSDamien Bergamini case IWI_NOTIF_TYPE_SCAN_CHANNEL: 1422ceaec73dSDamien Bergamini chan = (struct iwi_notif_scan_channel *)(notif + 1); 1423ceaec73dSDamien Bergamini 1424c10b1400SMax Laier DPRINTFN(3, ("Scan of channel %u complete (%u)\n", 142568e8e04eSSam Leffler ieee80211_ieee2mhz(chan->nchan, 0), chan->nchan)); 142668e8e04eSSam Leffler 142768e8e04eSSam Leffler /* Reset the timer, the scan is still going */ 142868e8e04eSSam Leffler sc->sc_state_timer = 3; 1429ceaec73dSDamien Bergamini break; 1430ceaec73dSDamien Bergamini 1431ceaec73dSDamien Bergamini case IWI_NOTIF_TYPE_SCAN_COMPLETE: 1432ceaec73dSDamien Bergamini scan = (struct iwi_notif_scan_complete *)(notif + 1); 1433ceaec73dSDamien Bergamini 1434ceaec73dSDamien Bergamini DPRINTFN(2, ("Scan completed (%u, %u)\n", scan->nchan, 1435ceaec73dSDamien Bergamini scan->status)); 1436ceaec73dSDamien Bergamini 143768e8e04eSSam Leffler IWI_STATE_END(sc, IWI_FW_SCANNING); 1438c10b1400SMax Laier 143940668dc5SBernhard Schmidt /* 144040668dc5SBernhard Schmidt * Monitor mode works by doing a passive scan to set 144140668dc5SBernhard Schmidt * the channel and enable rx. Because we don't want 144240668dc5SBernhard Schmidt * to abort a scan lest the firmware crash we scan 144340668dc5SBernhard Schmidt * for a short period of time and automatically restart 144440668dc5SBernhard Schmidt * the scan when notified the sweep has completed. 144540668dc5SBernhard Schmidt */ 144640668dc5SBernhard Schmidt if (vap->iv_opmode == IEEE80211_M_MONITOR) { 144740668dc5SBernhard Schmidt ieee80211_runtask(ic, &sc->sc_monitortask); 144840668dc5SBernhard Schmidt break; 144940668dc5SBernhard Schmidt } 145040668dc5SBernhard Schmidt 1451b032f27cSSam Leffler if (scan->status == IWI_SCAN_COMPLETED) { 1452b032f27cSSam Leffler /* NB: don't need to defer, net80211 does it for us */ 1453b032f27cSSam Leffler ieee80211_scan_next(vap); 1454b032f27cSSam Leffler } 1455ceaec73dSDamien Bergamini break; 1456ceaec73dSDamien Bergamini 1457ceaec73dSDamien Bergamini case IWI_NOTIF_TYPE_AUTHENTICATION: 1458ceaec73dSDamien Bergamini auth = (struct iwi_notif_authentication *)(notif + 1); 1459ceaec73dSDamien Bergamini switch (auth->state) { 1460c10b1400SMax Laier case IWI_AUTH_SUCCESS: 1461c10b1400SMax Laier DPRINTFN(2, ("Authentication succeeeded\n")); 14625efea30fSAndrew Thompson ieee80211_new_state(vap, IEEE80211_S_ASSOC, -1); 1463ceaec73dSDamien Bergamini break; 1464c10b1400SMax Laier case IWI_AUTH_FAIL: 1465b032f27cSSam Leffler /* 1466b032f27cSSam Leffler * These are delivered as an unsolicited deauth 1467b032f27cSSam Leffler * (e.g. due to inactivity) or in response to an 1468b032f27cSSam Leffler * associate request. 1469b032f27cSSam Leffler */ 1470c10b1400SMax Laier sc->flags &= ~IWI_FLAG_ASSOCIATED; 1471b032f27cSSam Leffler if (vap->iv_state != IEEE80211_S_RUN) { 1472b032f27cSSam Leffler DPRINTFN(2, ("Authentication failed\n")); 1473b032f27cSSam Leffler vap->iv_stats.is_rx_auth_fail++; 147468e8e04eSSam Leffler IWI_STATE_END(sc, IWI_FW_ASSOCIATING); 1475b032f27cSSam Leffler } else { 1476b032f27cSSam Leffler DPRINTFN(2, ("Deauthenticated\n")); 1477b032f27cSSam Leffler vap->iv_stats.is_rx_deauth++; 1478b032f27cSSam Leffler } 14795efea30fSAndrew Thompson ieee80211_new_state(vap, IEEE80211_S_SCAN, -1); 1480c10b1400SMax Laier break; 1481c10b1400SMax Laier case IWI_AUTH_SENT_1: 1482c10b1400SMax Laier case IWI_AUTH_RECV_2: 1483c10b1400SMax Laier case IWI_AUTH_SEQ1_PASS: 1484c10b1400SMax Laier break; 1485c10b1400SMax Laier case IWI_AUTH_SEQ1_FAIL: 1486c10b1400SMax Laier DPRINTFN(2, ("Initial authentication handshake failed; " 1487c10b1400SMax Laier "you probably need shared key\n")); 1488b032f27cSSam Leffler vap->iv_stats.is_rx_auth_fail++; 148968e8e04eSSam Leffler IWI_STATE_END(sc, IWI_FW_ASSOCIATING); 1490c10b1400SMax Laier /* XXX retry shared key when in auto */ 1491ceaec73dSDamien Bergamini break; 1492ceaec73dSDamien Bergamini default: 1493ceaec73dSDamien Bergamini device_printf(sc->sc_dev, 1494ceaec73dSDamien Bergamini "unknown authentication state %u\n", auth->state); 1495b032f27cSSam Leffler break; 1496ceaec73dSDamien Bergamini } 1497ceaec73dSDamien Bergamini break; 1498ceaec73dSDamien Bergamini 1499ceaec73dSDamien Bergamini case IWI_NOTIF_TYPE_ASSOCIATION: 1500ceaec73dSDamien Bergamini assoc = (struct iwi_notif_association *)(notif + 1); 1501ceaec73dSDamien Bergamini switch (assoc->state) { 1502c10b1400SMax Laier case IWI_AUTH_SUCCESS: 1503ceaec73dSDamien Bergamini /* re-association, do nothing */ 1504ceaec73dSDamien Bergamini break; 1505c10b1400SMax Laier case IWI_ASSOC_SUCCESS: 1506c10b1400SMax Laier DPRINTFN(2, ("Association succeeded\n")); 1507c10b1400SMax Laier sc->flags |= IWI_FLAG_ASSOCIATED; 150868e8e04eSSam Leffler IWI_STATE_END(sc, IWI_FW_ASSOCIATING); 1509b032f27cSSam Leffler iwi_checkforqos(vap, 1510c10b1400SMax Laier (const struct ieee80211_frame *)(assoc+1), 151182510b7eSBernhard Schmidt le16toh(notif->len) - sizeof(*assoc) - 1); 15125efea30fSAndrew Thompson ieee80211_new_state(vap, IEEE80211_S_RUN, -1); 1513ceaec73dSDamien Bergamini break; 151468e8e04eSSam Leffler case IWI_ASSOC_INIT: 1515b032f27cSSam Leffler sc->flags &= ~IWI_FLAG_ASSOCIATED; 151668e8e04eSSam Leffler switch (sc->fw_state) { 151768e8e04eSSam Leffler case IWI_FW_ASSOCIATING: 1518c10b1400SMax Laier DPRINTFN(2, ("Association failed\n")); 151968e8e04eSSam Leffler IWI_STATE_END(sc, IWI_FW_ASSOCIATING); 15205efea30fSAndrew Thompson ieee80211_new_state(vap, IEEE80211_S_SCAN, -1); 152168e8e04eSSam Leffler break; 152268e8e04eSSam Leffler 152368e8e04eSSam Leffler case IWI_FW_DISASSOCIATING: 152468e8e04eSSam Leffler DPRINTFN(2, ("Dissassociated\n")); 1525b032f27cSSam Leffler IWI_STATE_END(sc, IWI_FW_DISASSOCIATING); 1526b032f27cSSam Leffler vap->iv_stats.is_rx_disassoc++; 15275efea30fSAndrew Thompson ieee80211_new_state(vap, IEEE80211_S_SCAN, -1); 152868e8e04eSSam Leffler break; 152968e8e04eSSam Leffler } 1530ceaec73dSDamien Bergamini break; 1531ceaec73dSDamien Bergamini default: 1532ceaec73dSDamien Bergamini device_printf(sc->sc_dev, 1533ceaec73dSDamien Bergamini "unknown association state %u\n", assoc->state); 1534b032f27cSSam Leffler break; 1535ceaec73dSDamien Bergamini } 1536ceaec73dSDamien Bergamini break; 1537ceaec73dSDamien Bergamini 1538c10b1400SMax Laier case IWI_NOTIF_TYPE_BEACON: 1539c10b1400SMax Laier /* XXX check struct length */ 1540c10b1400SMax Laier beacon = (struct iwi_notif_beacon_state *)(notif + 1); 1541c10b1400SMax Laier 1542c10b1400SMax Laier DPRINTFN(5, ("Beacon state (%u, %u)\n", 1543c10b1400SMax Laier beacon->state, le32toh(beacon->number))); 1544c10b1400SMax Laier 1545c10b1400SMax Laier if (beacon->state == IWI_BEACON_MISS) { 1546c10b1400SMax Laier /* 1547c10b1400SMax Laier * The firmware notifies us of every beacon miss 1548c10b1400SMax Laier * so we need to track the count against the 1549c10b1400SMax Laier * configured threshold before notifying the 1550c10b1400SMax Laier * 802.11 layer. 1551c10b1400SMax Laier * XXX try to roam, drop assoc only on much higher count 1552c10b1400SMax Laier */ 1553b032f27cSSam Leffler if (le32toh(beacon->number) >= vap->iv_bmissthreshold) { 1554c10b1400SMax Laier DPRINTF(("Beacon miss: %u >= %u\n", 1555c10b1400SMax Laier le32toh(beacon->number), 1556b032f27cSSam Leffler vap->iv_bmissthreshold)); 1557b032f27cSSam Leffler vap->iv_stats.is_beacon_miss++; 1558b032f27cSSam Leffler /* 1559b032f27cSSam Leffler * It's pointless to notify the 802.11 layer 1560b032f27cSSam Leffler * as it'll try to send a probe request (which 1561b032f27cSSam Leffler * we'll discard) and then timeout and drop us 1562b032f27cSSam Leffler * into scan state. Instead tell the firmware 1563b032f27cSSam Leffler * to disassociate and then on completion we'll 1564b032f27cSSam Leffler * kick the state machine to scan. 1565b032f27cSSam Leffler */ 15665efea30fSAndrew Thompson ieee80211_runtask(ic, &sc->sc_disassoctask); 1567c10b1400SMax Laier } 1568c10b1400SMax Laier } 1569c10b1400SMax Laier break; 1570c10b1400SMax Laier 1571c10b1400SMax Laier case IWI_NOTIF_TYPE_CALIBRATION: 1572c10b1400SMax Laier case IWI_NOTIF_TYPE_NOISE: 1573*4982d693SAdrian Chadd /* XXX handle? */ 157484f55b29SDamien Bergamini DPRINTFN(5, ("Notification (%u)\n", notif->type)); 1575c10b1400SMax Laier break; 1576*4982d693SAdrian Chadd case IWI_NOTIF_TYPE_LINK_QUALITY: 1577*4982d693SAdrian Chadd iwi_notif_link_quality(sc, notif); 1578*4982d693SAdrian Chadd break; 1579c10b1400SMax Laier 1580c10b1400SMax Laier default: 1581c10b1400SMax Laier DPRINTF(("unknown notification type %u flags 0x%x len %u\n", 1582c10b1400SMax Laier notif->type, notif->flags, le16toh(notif->len))); 1583b032f27cSSam Leffler break; 1584ceaec73dSDamien Bergamini } 1585ceaec73dSDamien Bergamini } 1586ceaec73dSDamien Bergamini 1587ceaec73dSDamien Bergamini static void 1588ceaec73dSDamien Bergamini iwi_rx_intr(struct iwi_softc *sc) 1589ceaec73dSDamien Bergamini { 1590ceaec73dSDamien Bergamini struct iwi_rx_data *data; 1591ceaec73dSDamien Bergamini struct iwi_hdr *hdr; 1592ceaec73dSDamien Bergamini uint32_t hw; 1593ceaec73dSDamien Bergamini 1594ceaec73dSDamien Bergamini hw = CSR_READ_4(sc, IWI_CSR_RX_RIDX); 1595ceaec73dSDamien Bergamini 1596ceaec73dSDamien Bergamini for (; sc->rxq.cur != hw;) { 1597ceaec73dSDamien Bergamini data = &sc->rxq.data[sc->rxq.cur]; 1598ceaec73dSDamien Bergamini 1599ceaec73dSDamien Bergamini bus_dmamap_sync(sc->rxq.data_dmat, data->map, 1600ceaec73dSDamien Bergamini BUS_DMASYNC_POSTREAD); 1601ceaec73dSDamien Bergamini 1602ceaec73dSDamien Bergamini hdr = mtod(data->m, struct iwi_hdr *); 1603ceaec73dSDamien Bergamini 1604ceaec73dSDamien Bergamini switch (hdr->type) { 1605ceaec73dSDamien Bergamini case IWI_HDR_TYPE_FRAME: 1606ceaec73dSDamien Bergamini iwi_frame_intr(sc, data, sc->rxq.cur, 1607ceaec73dSDamien Bergamini (struct iwi_frame *)(hdr + 1)); 1608ceaec73dSDamien Bergamini break; 1609ceaec73dSDamien Bergamini 1610ceaec73dSDamien Bergamini case IWI_HDR_TYPE_NOTIF: 1611ceaec73dSDamien Bergamini iwi_notification_intr(sc, 1612ceaec73dSDamien Bergamini (struct iwi_notif *)(hdr + 1)); 1613ceaec73dSDamien Bergamini break; 1614ceaec73dSDamien Bergamini 1615ceaec73dSDamien Bergamini default: 1616ceaec73dSDamien Bergamini device_printf(sc->sc_dev, "unknown hdr type %u\n", 1617ceaec73dSDamien Bergamini hdr->type); 1618ceaec73dSDamien Bergamini } 1619ceaec73dSDamien Bergamini 1620ceaec73dSDamien Bergamini DPRINTFN(15, ("rx done idx=%u\n", sc->rxq.cur)); 1621ceaec73dSDamien Bergamini 1622ceaec73dSDamien Bergamini sc->rxq.cur = (sc->rxq.cur + 1) % IWI_RX_RING_COUNT; 1623ceaec73dSDamien Bergamini } 1624ceaec73dSDamien Bergamini 1625ceaec73dSDamien Bergamini /* tell the firmware what we have processed */ 1626ceaec73dSDamien Bergamini hw = (hw == 0) ? IWI_RX_RING_COUNT - 1 : hw - 1; 1627ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_RX_WIDX, hw); 1628ceaec73dSDamien Bergamini } 1629ceaec73dSDamien Bergamini 1630ceaec73dSDamien Bergamini static void 1631ec01dc2bSDamien Bergamini iwi_tx_intr(struct iwi_softc *sc, struct iwi_tx_ring *txq) 1632ceaec73dSDamien Bergamini { 1633b032f27cSSam Leffler struct ifnet *ifp = sc->sc_ifp; 1634ceaec73dSDamien Bergamini struct iwi_tx_data *data; 1635ceaec73dSDamien Bergamini uint32_t hw; 1636ceaec73dSDamien Bergamini 1637ec01dc2bSDamien Bergamini hw = CSR_READ_4(sc, txq->csr_ridx); 1638ceaec73dSDamien Bergamini 1639ec01dc2bSDamien Bergamini for (; txq->next != hw;) { 1640ec01dc2bSDamien Bergamini data = &txq->data[txq->next]; 1641ceaec73dSDamien Bergamini 1642ec01dc2bSDamien Bergamini bus_dmamap_sync(txq->data_dmat, data->map, 1643ceaec73dSDamien Bergamini BUS_DMASYNC_POSTWRITE); 1644ec01dc2bSDamien Bergamini bus_dmamap_unload(txq->data_dmat, data->map); 164568e8e04eSSam Leffler if (data->m->m_flags & M_TXCB) 164668e8e04eSSam Leffler ieee80211_process_callback(data->ni, data->m, 0/*XXX*/); 1647ceaec73dSDamien Bergamini m_freem(data->m); 1648ceaec73dSDamien Bergamini data->m = NULL; 1649ceaec73dSDamien Bergamini ieee80211_free_node(data->ni); 1650ceaec73dSDamien Bergamini data->ni = NULL; 1651ceaec73dSDamien Bergamini 1652ec01dc2bSDamien Bergamini DPRINTFN(15, ("tx done idx=%u\n", txq->next)); 1653ceaec73dSDamien Bergamini 1654ceaec73dSDamien Bergamini ifp->if_opackets++; 1655ceaec73dSDamien Bergamini 1656ec01dc2bSDamien Bergamini txq->queued--; 1657ec01dc2bSDamien Bergamini txq->next = (txq->next + 1) % IWI_TX_RING_COUNT; 1658ceaec73dSDamien Bergamini } 1659ceaec73dSDamien Bergamini 1660ceaec73dSDamien Bergamini sc->sc_tx_timer = 0; 166113f4c340SRobert Watson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1662c10b1400SMax Laier 1663c10b1400SMax Laier if (sc->sc_softled) 1664c10b1400SMax Laier iwi_led_event(sc, IWI_LED_TX); 1665c10b1400SMax Laier 1666b032f27cSSam Leffler iwi_start_locked(ifp); 1667ceaec73dSDamien Bergamini } 1668ceaec73dSDamien Bergamini 1669ceaec73dSDamien Bergamini static void 16705efea30fSAndrew Thompson iwi_fatal_error_intr(struct iwi_softc *sc) 16715efea30fSAndrew Thompson { 16725efea30fSAndrew Thompson struct ifnet *ifp = sc->sc_ifp; 16735efea30fSAndrew Thompson struct ieee80211com *ic = ifp->if_l2com; 1674e1d2045eSAndrew Thompson struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 16755efea30fSAndrew Thompson 16765efea30fSAndrew Thompson device_printf(sc->sc_dev, "firmware error\n"); 1677e1d2045eSAndrew Thompson if (vap != NULL) 1678e1d2045eSAndrew Thompson ieee80211_cancel_scan(vap); 16795efea30fSAndrew Thompson ieee80211_runtask(ic, &sc->sc_restarttask); 16805efea30fSAndrew Thompson 16815efea30fSAndrew Thompson sc->flags &= ~IWI_FLAG_BUSY; 16825efea30fSAndrew Thompson sc->sc_busy_timer = 0; 16835efea30fSAndrew Thompson wakeup(sc); 16845efea30fSAndrew Thompson } 16855efea30fSAndrew Thompson 16865efea30fSAndrew Thompson static void 16875efea30fSAndrew Thompson iwi_radio_off_intr(struct iwi_softc *sc) 16885efea30fSAndrew Thompson { 16895efea30fSAndrew Thompson struct ifnet *ifp = sc->sc_ifp; 16905efea30fSAndrew Thompson struct ieee80211com *ic = ifp->if_l2com; 16915efea30fSAndrew Thompson 16925efea30fSAndrew Thompson ieee80211_runtask(ic, &sc->sc_radiofftask); 16935efea30fSAndrew Thompson } 16945efea30fSAndrew Thompson 16955efea30fSAndrew Thompson static void 1696ceaec73dSDamien Bergamini iwi_intr(void *arg) 1697ceaec73dSDamien Bergamini { 1698ceaec73dSDamien Bergamini struct iwi_softc *sc = arg; 1699ceaec73dSDamien Bergamini uint32_t r; 1700c10b1400SMax Laier IWI_LOCK_DECL; 1701ceaec73dSDamien Bergamini 1702c10b1400SMax Laier IWI_LOCK(sc); 1703ceaec73dSDamien Bergamini 1704ceaec73dSDamien Bergamini if ((r = CSR_READ_4(sc, IWI_CSR_INTR)) == 0 || r == 0xffffffff) { 1705c10b1400SMax Laier IWI_UNLOCK(sc); 1706ceaec73dSDamien Bergamini return; 1707ceaec73dSDamien Bergamini } 1708ceaec73dSDamien Bergamini 1709389fb0b4SDamien Bergamini /* acknowledge interrupts */ 1710389fb0b4SDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_INTR, r); 1711ceaec73dSDamien Bergamini 1712c10b1400SMax Laier if (r & IWI_INTR_FATAL_ERROR) { 17135efea30fSAndrew Thompson iwi_fatal_error_intr(sc); 17145efea30fSAndrew Thompson goto done; 1715ceaec73dSDamien Bergamini } 1716ceaec73dSDamien Bergamini 1717c10b1400SMax Laier if (r & IWI_INTR_FW_INITED) { 1718c10b1400SMax Laier if (!(r & (IWI_INTR_FATAL_ERROR | IWI_INTR_PARITY_ERROR))) 1719ceaec73dSDamien Bergamini wakeup(sc); 1720ceaec73dSDamien Bergamini } 1721ceaec73dSDamien Bergamini 1722c10b1400SMax Laier if (r & IWI_INTR_RADIO_OFF) 17235efea30fSAndrew Thompson iwi_radio_off_intr(sc); 1724c10b1400SMax Laier 1725c10b1400SMax Laier if (r & IWI_INTR_CMD_DONE) { 1726c10b1400SMax Laier sc->flags &= ~IWI_FLAG_BUSY; 172768e8e04eSSam Leffler sc->sc_busy_timer = 0; 1728ceaec73dSDamien Bergamini wakeup(sc); 1729c10b1400SMax Laier } 1730ceaec73dSDamien Bergamini 1731ceaec73dSDamien Bergamini if (r & IWI_INTR_TX1_DONE) 1732ec01dc2bSDamien Bergamini iwi_tx_intr(sc, &sc->txq[0]); 1733ec01dc2bSDamien Bergamini 1734ec01dc2bSDamien Bergamini if (r & IWI_INTR_TX2_DONE) 1735ec01dc2bSDamien Bergamini iwi_tx_intr(sc, &sc->txq[1]); 1736ec01dc2bSDamien Bergamini 1737ec01dc2bSDamien Bergamini if (r & IWI_INTR_TX3_DONE) 1738ec01dc2bSDamien Bergamini iwi_tx_intr(sc, &sc->txq[2]); 1739ec01dc2bSDamien Bergamini 1740ec01dc2bSDamien Bergamini if (r & IWI_INTR_TX4_DONE) 1741ec01dc2bSDamien Bergamini iwi_tx_intr(sc, &sc->txq[3]); 1742ec01dc2bSDamien Bergamini 1743ec01dc2bSDamien Bergamini if (r & IWI_INTR_RX_DONE) 1744ec01dc2bSDamien Bergamini iwi_rx_intr(sc); 1745ceaec73dSDamien Bergamini 1746c10b1400SMax Laier if (r & IWI_INTR_PARITY_ERROR) { 1747c10b1400SMax Laier /* XXX rate-limit */ 1748c10b1400SMax Laier device_printf(sc->sc_dev, "parity error\n"); 1749c10b1400SMax Laier } 17505efea30fSAndrew Thompson done: 1751c10b1400SMax Laier IWI_UNLOCK(sc); 1752ceaec73dSDamien Bergamini } 1753ceaec73dSDamien Bergamini 1754ceaec73dSDamien Bergamini static int 1755c10b1400SMax Laier iwi_cmd(struct iwi_softc *sc, uint8_t type, void *data, uint8_t len) 1756ceaec73dSDamien Bergamini { 1757ceaec73dSDamien Bergamini struct iwi_cmd_desc *desc; 1758ceaec73dSDamien Bergamini 175968e8e04eSSam Leffler IWI_LOCK_ASSERT(sc); 1760484f6530SLuigi Rizzo 1761c10b1400SMax Laier if (sc->flags & IWI_FLAG_BUSY) { 1762c10b1400SMax Laier device_printf(sc->sc_dev, "%s: cmd %d not sent, busy\n", 1763c10b1400SMax Laier __func__, type); 1764c10b1400SMax Laier return EAGAIN; 1765c10b1400SMax Laier } 1766c10b1400SMax Laier sc->flags |= IWI_FLAG_BUSY; 176768e8e04eSSam Leffler sc->sc_busy_timer = 2; 1768c10b1400SMax Laier 1769ceaec73dSDamien Bergamini desc = &sc->cmdq.desc[sc->cmdq.cur]; 1770ceaec73dSDamien Bergamini 1771ceaec73dSDamien Bergamini desc->hdr.type = IWI_HDR_TYPE_COMMAND; 1772ceaec73dSDamien Bergamini desc->hdr.flags = IWI_HDR_FLAG_IRQ; 1773ceaec73dSDamien Bergamini desc->type = type; 1774ceaec73dSDamien Bergamini desc->len = len; 1775ceaec73dSDamien Bergamini memcpy(desc->data, data, len); 1776ceaec73dSDamien Bergamini 1777ceaec73dSDamien Bergamini bus_dmamap_sync(sc->cmdq.desc_dmat, sc->cmdq.desc_map, 1778ceaec73dSDamien Bergamini BUS_DMASYNC_PREWRITE); 1779ceaec73dSDamien Bergamini 1780ceaec73dSDamien Bergamini DPRINTFN(2, ("sending command idx=%u type=%u len=%u\n", sc->cmdq.cur, 1781ceaec73dSDamien Bergamini type, len)); 1782ceaec73dSDamien Bergamini 1783ceaec73dSDamien Bergamini sc->cmdq.cur = (sc->cmdq.cur + 1) % IWI_CMD_RING_COUNT; 1784ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_CMD_WIDX, sc->cmdq.cur); 1785ceaec73dSDamien Bergamini 1786c10b1400SMax Laier return msleep(sc, &sc->sc_mtx, 0, "iwicmd", hz); 1787ceaec73dSDamien Bergamini } 1788ceaec73dSDamien Bergamini 178928a38073SDamien Bergamini static void 1790c10b1400SMax Laier iwi_write_ibssnode(struct iwi_softc *sc, 1791c10b1400SMax Laier const u_int8_t addr[IEEE80211_ADDR_LEN], int entry) 179228a38073SDamien Bergamini { 179328a38073SDamien Bergamini struct iwi_ibssnode node; 179428a38073SDamien Bergamini 179528a38073SDamien Bergamini /* write node information into NIC memory */ 179628a38073SDamien Bergamini memset(&node, 0, sizeof node); 1797c10b1400SMax Laier IEEE80211_ADDR_COPY(node.bssid, addr); 1798c10b1400SMax Laier 1799c10b1400SMax Laier DPRINTF(("%s mac %6D station %u\n", __func__, node.bssid, ":", entry)); 180028a38073SDamien Bergamini 180128a38073SDamien Bergamini CSR_WRITE_REGION_1(sc, 1802c10b1400SMax Laier IWI_CSR_NODE_BASE + entry * sizeof node, 180328a38073SDamien Bergamini (uint8_t *)&node, sizeof node); 180428a38073SDamien Bergamini } 180528a38073SDamien Bergamini 1806ceaec73dSDamien Bergamini static int 18070b74a285SDamien Bergamini iwi_tx_start(struct ifnet *ifp, struct mbuf *m0, struct ieee80211_node *ni, 18080b74a285SDamien Bergamini int ac) 1809ceaec73dSDamien Bergamini { 1810ceaec73dSDamien Bergamini struct iwi_softc *sc = ifp->if_softc; 1811b032f27cSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 1812b032f27cSSam Leffler struct ieee80211com *ic = ni->ni_ic; 181328a38073SDamien Bergamini struct iwi_node *in = (struct iwi_node *)ni; 1814c10b1400SMax Laier const struct ieee80211_frame *wh; 1815acea4241SDamien Bergamini struct ieee80211_key *k; 1816ec01dc2bSDamien Bergamini const struct chanAccParams *cap; 18170b74a285SDamien Bergamini struct iwi_tx_ring *txq = &sc->txq[ac]; 1818ceaec73dSDamien Bergamini struct iwi_tx_data *data; 1819ceaec73dSDamien Bergamini struct iwi_tx_desc *desc; 1820ceaec73dSDamien Bergamini struct mbuf *mnew; 1821ceaec73dSDamien Bergamini bus_dma_segment_t segs[IWI_MAX_NSEG]; 1822c10b1400SMax Laier int error, nsegs, hdrlen, i; 1823c10b1400SMax Laier int ismcast, flags, xflags, staid; 1824ceaec73dSDamien Bergamini 182568e8e04eSSam Leffler IWI_LOCK_ASSERT(sc); 1826c10b1400SMax Laier wh = mtod(m0, const struct ieee80211_frame *); 1827c10b1400SMax Laier /* NB: only data frames use this path */ 1828c10b1400SMax Laier hdrlen = ieee80211_hdrsize(wh); 1829c10b1400SMax Laier ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 1830c10b1400SMax Laier flags = xflags = 0; 1831ec01dc2bSDamien Bergamini 1832c10b1400SMax Laier if (!ismcast) 1833c10b1400SMax Laier flags |= IWI_DATA_FLAG_NEED_ACK; 1834b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_SHPREAMBLE) 1835c10b1400SMax Laier flags |= IWI_DATA_FLAG_SHPREAMBLE; 1836c10b1400SMax Laier if (IEEE80211_QOS_HAS_SEQ(wh)) { 1837c10b1400SMax Laier xflags |= IWI_DATA_XFLAG_QOS; 1838ec01dc2bSDamien Bergamini cap = &ic->ic_wme.wme_chanParams; 1839c10b1400SMax Laier if (!cap->cap_wmeParams[ac].wmep_noackPolicy) 1840c10b1400SMax Laier flags &= ~IWI_DATA_FLAG_NEED_ACK; 1841c10b1400SMax Laier } 1842ec01dc2bSDamien Bergamini 184328a38073SDamien Bergamini /* 184428a38073SDamien Bergamini * This is only used in IBSS mode where the firmware expect an index 184528a38073SDamien Bergamini * in a h/w table instead of a destination address. 184628a38073SDamien Bergamini */ 1847b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_IBSS) { 1848c10b1400SMax Laier if (!ismcast) { 1849c10b1400SMax Laier if (in->in_station == -1) { 185028a38073SDamien Bergamini in->in_station = alloc_unr(sc->sc_unr); 1851c10b1400SMax Laier if (in->in_station == -1) { 1852c10b1400SMax Laier /* h/w table is full */ 1853ec01dc2bSDamien Bergamini m_freem(m0); 18540b74a285SDamien Bergamini ieee80211_free_node(ni); 18550b74a285SDamien Bergamini ifp->if_oerrors++; 1856ec01dc2bSDamien Bergamini return 0; 1857ec01dc2bSDamien Bergamini } 1858c10b1400SMax Laier iwi_write_ibssnode(sc, 1859c10b1400SMax Laier ni->ni_macaddr, in->in_station); 18600b74a285SDamien Bergamini } 1861c10b1400SMax Laier staid = in->in_station; 1862c10b1400SMax Laier } else { 1863c10b1400SMax Laier /* 1864c10b1400SMax Laier * Multicast addresses have no associated node 1865c10b1400SMax Laier * so there will be no station entry. We reserve 1866c10b1400SMax Laier * entry 0 for one mcast address and use that. 1867c10b1400SMax Laier * If there are many being used this will be 1868c10b1400SMax Laier * expensive and we'll need to do a better job 1869c10b1400SMax Laier * but for now this handles the broadcast case. 1870c10b1400SMax Laier */ 1871c10b1400SMax Laier if (!IEEE80211_ADDR_EQ(wh->i_addr1, sc->sc_mcast)) { 1872c10b1400SMax Laier IEEE80211_ADDR_COPY(sc->sc_mcast, wh->i_addr1); 1873c10b1400SMax Laier iwi_write_ibssnode(sc, sc->sc_mcast, 0); 1874c10b1400SMax Laier } 1875c10b1400SMax Laier staid = 0; 1876c10b1400SMax Laier } 1877c10b1400SMax Laier } else 1878c10b1400SMax Laier staid = 0; 1879ec01dc2bSDamien Bergamini 18805945b5f5SKevin Lo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 1881b032f27cSSam Leffler k = ieee80211_crypto_encap(ni, m0); 188282145663SSam Leffler if (k == NULL) { 188382145663SSam Leffler m_freem(m0); 1884acea4241SDamien Bergamini return ENOBUFS; 1885acea4241SDamien Bergamini } 1886ec01dc2bSDamien Bergamini 1887ec01dc2bSDamien Bergamini /* packet header may have moved, reset our local pointer */ 1888ec01dc2bSDamien Bergamini wh = mtod(m0, struct ieee80211_frame *); 188982145663SSam Leffler } 1890acea4241SDamien Bergamini 18915463c4a4SSam Leffler if (ieee80211_radiotap_active_vap(vap)) { 1892ceaec73dSDamien Bergamini struct iwi_tx_radiotap_header *tap = &sc->sc_txtap; 1893ceaec73dSDamien Bergamini 1894ceaec73dSDamien Bergamini tap->wt_flags = 0; 1895ceaec73dSDamien Bergamini 18965463c4a4SSam Leffler ieee80211_radiotap_tx(vap, m0); 1897ceaec73dSDamien Bergamini } 1898ceaec73dSDamien Bergamini 1899ec01dc2bSDamien Bergamini data = &txq->data[txq->cur]; 1900ec01dc2bSDamien Bergamini desc = &txq->desc[txq->cur]; 1901ceaec73dSDamien Bergamini 1902ec01dc2bSDamien Bergamini /* save and trim IEEE802.11 header */ 1903ec01dc2bSDamien Bergamini m_copydata(m0, 0, hdrlen, (caddr_t)&desc->wh); 1904ec01dc2bSDamien Bergamini m_adj(m0, hdrlen); 1905ceaec73dSDamien Bergamini 1906ec01dc2bSDamien Bergamini error = bus_dmamap_load_mbuf_sg(txq->data_dmat, data->map, m0, segs, 1907ceaec73dSDamien Bergamini &nsegs, 0); 1908ceaec73dSDamien Bergamini if (error != 0 && error != EFBIG) { 1909ceaec73dSDamien Bergamini device_printf(sc->sc_dev, "could not map mbuf (error %d)\n", 1910ceaec73dSDamien Bergamini error); 1911ceaec73dSDamien Bergamini m_freem(m0); 1912ceaec73dSDamien Bergamini return error; 1913ceaec73dSDamien Bergamini } 1914ceaec73dSDamien Bergamini if (error != 0) { 1915c6499eccSGleb Smirnoff mnew = m_defrag(m0, M_NOWAIT); 1916ceaec73dSDamien Bergamini if (mnew == NULL) { 1917ceaec73dSDamien Bergamini device_printf(sc->sc_dev, 1918ceaec73dSDamien Bergamini "could not defragment mbuf\n"); 1919ceaec73dSDamien Bergamini m_freem(m0); 1920ceaec73dSDamien Bergamini return ENOBUFS; 1921ceaec73dSDamien Bergamini } 1922ceaec73dSDamien Bergamini m0 = mnew; 1923ceaec73dSDamien Bergamini 1924ec01dc2bSDamien Bergamini error = bus_dmamap_load_mbuf_sg(txq->data_dmat, data->map, 1925ceaec73dSDamien Bergamini m0, segs, &nsegs, 0); 1926ceaec73dSDamien Bergamini if (error != 0) { 1927ceaec73dSDamien Bergamini device_printf(sc->sc_dev, 1928ceaec73dSDamien Bergamini "could not map mbuf (error %d)\n", error); 1929ceaec73dSDamien Bergamini m_freem(m0); 1930ceaec73dSDamien Bergamini return error; 1931ceaec73dSDamien Bergamini } 1932ceaec73dSDamien Bergamini } 1933ceaec73dSDamien Bergamini 1934ceaec73dSDamien Bergamini data->m = m0; 1935ceaec73dSDamien Bergamini data->ni = ni; 1936ceaec73dSDamien Bergamini 1937ceaec73dSDamien Bergamini desc->hdr.type = IWI_HDR_TYPE_DATA; 1938ceaec73dSDamien Bergamini desc->hdr.flags = IWI_HDR_FLAG_IRQ; 1939c10b1400SMax Laier desc->station = staid; 1940ceaec73dSDamien Bergamini desc->cmd = IWI_DATA_CMD_TX; 1941ceaec73dSDamien Bergamini desc->len = htole16(m0->m_pkthdr.len); 1942c10b1400SMax Laier desc->flags = flags; 1943c10b1400SMax Laier desc->xflags = xflags; 1944ceaec73dSDamien Bergamini 1945acea4241SDamien Bergamini #if 0 1946b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_PRIVACY) 1947b032f27cSSam Leffler desc->wep_txkey = vap->iv_def_txkey; 1948c10b1400SMax Laier else 1949acea4241SDamien Bergamini #endif 1950ceaec73dSDamien Bergamini desc->flags |= IWI_DATA_FLAG_NO_WEP; 1951ceaec73dSDamien Bergamini 1952ceaec73dSDamien Bergamini desc->nseg = htole32(nsegs); 1953ceaec73dSDamien Bergamini for (i = 0; i < nsegs; i++) { 1954ceaec73dSDamien Bergamini desc->seg_addr[i] = htole32(segs[i].ds_addr); 195581e6343cSDamien Bergamini desc->seg_len[i] = htole16(segs[i].ds_len); 1956ceaec73dSDamien Bergamini } 1957ceaec73dSDamien Bergamini 1958ec01dc2bSDamien Bergamini bus_dmamap_sync(txq->data_dmat, data->map, BUS_DMASYNC_PREWRITE); 1959ec01dc2bSDamien Bergamini bus_dmamap_sync(txq->desc_dmat, txq->desc_map, BUS_DMASYNC_PREWRITE); 1960ceaec73dSDamien Bergamini 1961ec01dc2bSDamien Bergamini DPRINTFN(5, ("sending data frame txq=%u idx=%u len=%u nseg=%u\n", 196281e6343cSDamien Bergamini ac, txq->cur, le16toh(desc->len), nsegs)); 1963ceaec73dSDamien Bergamini 1964ec01dc2bSDamien Bergamini txq->queued++; 1965ec01dc2bSDamien Bergamini txq->cur = (txq->cur + 1) % IWI_TX_RING_COUNT; 1966ec01dc2bSDamien Bergamini CSR_WRITE_4(sc, txq->csr_widx, txq->cur); 1967ceaec73dSDamien Bergamini 1968ceaec73dSDamien Bergamini return 0; 1969ceaec73dSDamien Bergamini } 1970ceaec73dSDamien Bergamini 1971b032f27cSSam Leffler static int 1972b032f27cSSam Leffler iwi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 1973b032f27cSSam Leffler const struct ieee80211_bpf_params *params) 1974b032f27cSSam Leffler { 1975b032f27cSSam Leffler /* no support; just discard */ 1976b032f27cSSam Leffler m_freem(m); 1977b032f27cSSam Leffler ieee80211_free_node(ni); 1978b032f27cSSam Leffler return 0; 1979b032f27cSSam Leffler } 1980b032f27cSSam Leffler 1981ceaec73dSDamien Bergamini static void 1982b032f27cSSam Leffler iwi_start_locked(struct ifnet *ifp) 1983ceaec73dSDamien Bergamini { 1984ceaec73dSDamien Bergamini struct iwi_softc *sc = ifp->if_softc; 1985b032f27cSSam Leffler struct mbuf *m; 1986ceaec73dSDamien Bergamini struct ieee80211_node *ni; 19870b74a285SDamien Bergamini int ac; 1988ceaec73dSDamien Bergamini 1989b032f27cSSam Leffler IWI_LOCK_ASSERT(sc); 1990ceaec73dSDamien Bergamini 1991b032f27cSSam Leffler if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 1992ceaec73dSDamien Bergamini return; 1993ceaec73dSDamien Bergamini 1994ceaec73dSDamien Bergamini for (;;) { 1995b032f27cSSam Leffler IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 1996b032f27cSSam Leffler if (m == NULL) 1997ceaec73dSDamien Bergamini break; 1998b032f27cSSam Leffler ac = M_WME_GETAC(m); 19990b74a285SDamien Bergamini if (sc->txq[ac].queued > IWI_TX_RING_COUNT - 8) { 2000b032f27cSSam Leffler /* there is no place left in this ring; tail drop */ 2001b032f27cSSam Leffler /* XXX tail drop */ 2002b032f27cSSam Leffler IFQ_DRV_PREPEND(&ifp->if_snd, m); 20030b74a285SDamien Bergamini ifp->if_drv_flags |= IFF_DRV_OACTIVE; 20040b74a285SDamien Bergamini break; 20050b74a285SDamien Bergamini } 20060b74a285SDamien Bergamini 2007b032f27cSSam Leffler ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; 2008b032f27cSSam Leffler if (iwi_tx_start(ifp, m, ni, ac) != 0) { 2009ceaec73dSDamien Bergamini ieee80211_free_node(ni); 2010ceaec73dSDamien Bergamini ifp->if_oerrors++; 2011ceaec73dSDamien Bergamini break; 2012ceaec73dSDamien Bergamini } 2013ceaec73dSDamien Bergamini 2014ceaec73dSDamien Bergamini sc->sc_tx_timer = 5; 2015b032f27cSSam Leffler } 2016ceaec73dSDamien Bergamini } 2017ceaec73dSDamien Bergamini 2018b032f27cSSam Leffler static void 2019b032f27cSSam Leffler iwi_start(struct ifnet *ifp) 2020b032f27cSSam Leffler { 2021b032f27cSSam Leffler struct iwi_softc *sc = ifp->if_softc; 2022b032f27cSSam Leffler IWI_LOCK_DECL; 2023b032f27cSSam Leffler 2024b032f27cSSam Leffler IWI_LOCK(sc); 2025b032f27cSSam Leffler iwi_start_locked(ifp); 2026c10b1400SMax Laier IWI_UNLOCK(sc); 2027ceaec73dSDamien Bergamini } 2028ceaec73dSDamien Bergamini 2029ceaec73dSDamien Bergamini static void 203068e8e04eSSam Leffler iwi_watchdog(void *arg) 2031ceaec73dSDamien Bergamini { 203268e8e04eSSam Leffler struct iwi_softc *sc = arg; 203368e8e04eSSam Leffler struct ifnet *ifp = sc->sc_ifp; 20345efea30fSAndrew Thompson struct ieee80211com *ic = ifp->if_l2com; 2035ceaec73dSDamien Bergamini 203668e8e04eSSam Leffler IWI_LOCK_ASSERT(sc); 2037ceaec73dSDamien Bergamini 2038ceaec73dSDamien Bergamini if (sc->sc_tx_timer > 0) { 2039ceaec73dSDamien Bergamini if (--sc->sc_tx_timer == 0) { 2040ceaec73dSDamien Bergamini if_printf(ifp, "device timeout\n"); 2041ceaec73dSDamien Bergamini ifp->if_oerrors++; 20425efea30fSAndrew Thompson ieee80211_runtask(ic, &sc->sc_restarttask); 2043ceaec73dSDamien Bergamini } 2044c10b1400SMax Laier } 204568e8e04eSSam Leffler if (sc->sc_state_timer > 0) { 204668e8e04eSSam Leffler if (--sc->sc_state_timer == 0) { 204768e8e04eSSam Leffler if_printf(ifp, "firmware stuck in state %d, resetting\n", 204868e8e04eSSam Leffler sc->fw_state); 2049b032f27cSSam Leffler if (sc->fw_state == IWI_FW_SCANNING) { 2050b032f27cSSam Leffler struct ieee80211com *ic = ifp->if_l2com; 2051b032f27cSSam Leffler ieee80211_cancel_scan(TAILQ_FIRST(&ic->ic_vaps)); 2052b032f27cSSam Leffler } 20535efea30fSAndrew Thompson ieee80211_runtask(ic, &sc->sc_restarttask); 205468e8e04eSSam Leffler sc->sc_state_timer = 3; 205568e8e04eSSam Leffler } 205668e8e04eSSam Leffler } 205768e8e04eSSam Leffler if (sc->sc_busy_timer > 0) { 205868e8e04eSSam Leffler if (--sc->sc_busy_timer == 0) { 205968e8e04eSSam Leffler if_printf(ifp, "firmware command timeout, resetting\n"); 20605efea30fSAndrew Thompson ieee80211_runtask(ic, &sc->sc_restarttask); 2061c10b1400SMax Laier } 2062c10b1400SMax Laier } 206368e8e04eSSam Leffler callout_reset(&sc->sc_wdtimer, hz, iwi_watchdog, sc); 2064ceaec73dSDamien Bergamini } 2065ceaec73dSDamien Bergamini 2066ceaec73dSDamien Bergamini static int 2067ceaec73dSDamien Bergamini iwi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 2068ceaec73dSDamien Bergamini { 2069ceaec73dSDamien Bergamini struct iwi_softc *sc = ifp->if_softc; 2070b032f27cSSam Leffler struct ieee80211com *ic = ifp->if_l2com; 2071b032f27cSSam Leffler struct ifreq *ifr = (struct ifreq *) data; 2072b032f27cSSam Leffler int error = 0, startall = 0; 2073c10b1400SMax Laier IWI_LOCK_DECL; 2074ceaec73dSDamien Bergamini 2075ceaec73dSDamien Bergamini switch (cmd) { 2076ceaec73dSDamien Bergamini case SIOCSIFFLAGS: 207731a8c1edSAndrew Thompson IWI_LOCK(sc); 2078ceaec73dSDamien Bergamini if (ifp->if_flags & IFF_UP) { 2079b032f27cSSam Leffler if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2080b032f27cSSam Leffler iwi_init_locked(sc); 2081b032f27cSSam Leffler startall = 1; 2082b032f27cSSam Leffler } 2083ceaec73dSDamien Bergamini } else { 208413f4c340SRobert Watson if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2085b032f27cSSam Leffler iwi_stop_locked(sc); 2086ceaec73dSDamien Bergamini } 2087c10b1400SMax Laier IWI_UNLOCK(sc); 2088b032f27cSSam Leffler if (startall) 2089b032f27cSSam Leffler ieee80211_start_all(ic); 209031a8c1edSAndrew Thompson break; 209131a8c1edSAndrew Thompson case SIOCGIFMEDIA: 209231a8c1edSAndrew Thompson error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 209331a8c1edSAndrew Thompson break; 209431a8c1edSAndrew Thompson case SIOCGIFADDR: 209531a8c1edSAndrew Thompson error = ether_ioctl(ifp, cmd, data); 209631a8c1edSAndrew Thompson break; 2097*4982d693SAdrian Chadd case SIOCGIWISTATS: 2098*4982d693SAdrian Chadd IWI_LOCK(sc); 2099*4982d693SAdrian Chadd /* XXX validate permissions/memory/etc? */ 2100*4982d693SAdrian Chadd error = copyout(&sc->sc_linkqual, ifr->ifr_data, 2101*4982d693SAdrian Chadd sizeof(struct iwi_notif_link_quality)); 2102*4982d693SAdrian Chadd IWI_UNLOCK(sc); 2103*4982d693SAdrian Chadd break; 2104*4982d693SAdrian Chadd case SIOCZIWISTATS: 2105*4982d693SAdrian Chadd IWI_LOCK(sc); 2106*4982d693SAdrian Chadd memset(&sc->sc_linkqual, 0, 2107*4982d693SAdrian Chadd sizeof(struct iwi_notif_link_quality)); 2108*4982d693SAdrian Chadd IWI_UNLOCK(sc); 2109*4982d693SAdrian Chadd error = 0; 2110*4982d693SAdrian Chadd break; 211131a8c1edSAndrew Thompson default: 211231a8c1edSAndrew Thompson error = EINVAL; 211331a8c1edSAndrew Thompson break; 211431a8c1edSAndrew Thompson } 2115ceaec73dSDamien Bergamini return error; 2116ceaec73dSDamien Bergamini } 2117ceaec73dSDamien Bergamini 2118ceaec73dSDamien Bergamini static void 2119ceaec73dSDamien Bergamini iwi_stop_master(struct iwi_softc *sc) 2120ceaec73dSDamien Bergamini { 2121ceaec73dSDamien Bergamini uint32_t tmp; 2122ceaec73dSDamien Bergamini int ntries; 2123ceaec73dSDamien Bergamini 2124ceaec73dSDamien Bergamini /* disable interrupts */ 2125ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_INTR_MASK, 0); 2126ceaec73dSDamien Bergamini 2127ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_RST, IWI_RST_STOP_MASTER); 2128ceaec73dSDamien Bergamini for (ntries = 0; ntries < 5; ntries++) { 2129ceaec73dSDamien Bergamini if (CSR_READ_4(sc, IWI_CSR_RST) & IWI_RST_MASTER_DISABLED) 2130ceaec73dSDamien Bergamini break; 2131ceaec73dSDamien Bergamini DELAY(10); 2132ceaec73dSDamien Bergamini } 2133ceaec73dSDamien Bergamini if (ntries == 5) 2134ceaec73dSDamien Bergamini device_printf(sc->sc_dev, "timeout waiting for master\n"); 2135ceaec73dSDamien Bergamini 2136ceaec73dSDamien Bergamini tmp = CSR_READ_4(sc, IWI_CSR_RST); 2137ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_RST, tmp | IWI_RST_PRINCETON_RESET); 2138ceaec73dSDamien Bergamini 2139ceaec73dSDamien Bergamini sc->flags &= ~IWI_FLAG_FW_INITED; 2140ceaec73dSDamien Bergamini } 2141ceaec73dSDamien Bergamini 2142ceaec73dSDamien Bergamini static int 2143ceaec73dSDamien Bergamini iwi_reset(struct iwi_softc *sc) 2144ceaec73dSDamien Bergamini { 2145ceaec73dSDamien Bergamini uint32_t tmp; 2146ceaec73dSDamien Bergamini int i, ntries; 2147ceaec73dSDamien Bergamini 2148ceaec73dSDamien Bergamini iwi_stop_master(sc); 2149ceaec73dSDamien Bergamini 2150ceaec73dSDamien Bergamini tmp = CSR_READ_4(sc, IWI_CSR_CTL); 2151ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_CTL, tmp | IWI_CTL_INIT); 2152ceaec73dSDamien Bergamini 2153ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_READ_INT, IWI_READ_INT_INIT_HOST); 2154ceaec73dSDamien Bergamini 2155ceaec73dSDamien Bergamini /* wait for clock stabilization */ 2156ceaec73dSDamien Bergamini for (ntries = 0; ntries < 1000; ntries++) { 2157ceaec73dSDamien Bergamini if (CSR_READ_4(sc, IWI_CSR_CTL) & IWI_CTL_CLOCK_READY) 2158ceaec73dSDamien Bergamini break; 2159ceaec73dSDamien Bergamini DELAY(200); 2160ceaec73dSDamien Bergamini } 2161ceaec73dSDamien Bergamini if (ntries == 1000) { 2162ceaec73dSDamien Bergamini device_printf(sc->sc_dev, 2163ceaec73dSDamien Bergamini "timeout waiting for clock stabilization\n"); 2164ceaec73dSDamien Bergamini return EIO; 2165ceaec73dSDamien Bergamini } 2166ceaec73dSDamien Bergamini 2167ceaec73dSDamien Bergamini tmp = CSR_READ_4(sc, IWI_CSR_RST); 2168ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_RST, tmp | IWI_RST_SOFT_RESET); 2169ceaec73dSDamien Bergamini 2170ceaec73dSDamien Bergamini DELAY(10); 2171ceaec73dSDamien Bergamini 2172ceaec73dSDamien Bergamini tmp = CSR_READ_4(sc, IWI_CSR_CTL); 2173ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_CTL, tmp | IWI_CTL_INIT); 2174ceaec73dSDamien Bergamini 2175ceaec73dSDamien Bergamini /* clear NIC memory */ 2176ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_AUTOINC_ADDR, 0); 2177ceaec73dSDamien Bergamini for (i = 0; i < 0xc000; i++) 2178ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, 0); 2179ceaec73dSDamien Bergamini 2180ceaec73dSDamien Bergamini return 0; 2181ceaec73dSDamien Bergamini } 2182ceaec73dSDamien Bergamini 2183c10b1400SMax Laier static const struct iwi_firmware_ohdr * 2184c10b1400SMax Laier iwi_setup_ofw(struct iwi_softc *sc, struct iwi_fw *fw) 2185ceaec73dSDamien Bergamini { 218633d54970SLuigi Rizzo const struct firmware *fp = fw->fp; 2187c10b1400SMax Laier const struct iwi_firmware_ohdr *hdr; 2188ceaec73dSDamien Bergamini 2189c10b1400SMax Laier if (fp->datasize < sizeof (struct iwi_firmware_ohdr)) { 2190c10b1400SMax Laier device_printf(sc->sc_dev, "image '%s' too small\n", fp->name); 2191c10b1400SMax Laier return NULL; 2192c10b1400SMax Laier } 2193c10b1400SMax Laier hdr = (const struct iwi_firmware_ohdr *)fp->data; 2194c10b1400SMax Laier if ((IWI_FW_GET_MAJOR(le32toh(hdr->version)) != IWI_FW_REQ_MAJOR) || 2195c10b1400SMax Laier (IWI_FW_GET_MINOR(le32toh(hdr->version)) != IWI_FW_REQ_MINOR)) { 2196c10b1400SMax Laier device_printf(sc->sc_dev, "version for '%s' %d.%d != %d.%d\n", 2197c10b1400SMax Laier fp->name, IWI_FW_GET_MAJOR(le32toh(hdr->version)), 2198c10b1400SMax Laier IWI_FW_GET_MINOR(le32toh(hdr->version)), IWI_FW_REQ_MAJOR, 2199c10b1400SMax Laier IWI_FW_REQ_MINOR); 2200c10b1400SMax Laier return NULL; 2201c10b1400SMax Laier } 2202c10b1400SMax Laier fw->data = ((const char *) fp->data) + sizeof(struct iwi_firmware_ohdr); 2203c10b1400SMax Laier fw->size = fp->datasize - sizeof(struct iwi_firmware_ohdr); 2204c10b1400SMax Laier fw->name = fp->name; 2205c10b1400SMax Laier return hdr; 2206c10b1400SMax Laier } 2207c10b1400SMax Laier 2208c10b1400SMax Laier static const struct iwi_firmware_ohdr * 2209c10b1400SMax Laier iwi_setup_oucode(struct iwi_softc *sc, struct iwi_fw *fw) 2210c10b1400SMax Laier { 2211c10b1400SMax Laier const struct iwi_firmware_ohdr *hdr; 2212c10b1400SMax Laier 2213c10b1400SMax Laier hdr = iwi_setup_ofw(sc, fw); 2214c10b1400SMax Laier if (hdr != NULL && le32toh(hdr->mode) != IWI_FW_MODE_UCODE) { 2215c10b1400SMax Laier device_printf(sc->sc_dev, "%s is not a ucode image\n", 2216c10b1400SMax Laier fw->name); 2217c10b1400SMax Laier hdr = NULL; 2218c10b1400SMax Laier } 2219c10b1400SMax Laier return hdr; 2220c10b1400SMax Laier } 2221c10b1400SMax Laier 2222c10b1400SMax Laier static void 2223c10b1400SMax Laier iwi_getfw(struct iwi_fw *fw, const char *fwname, 2224c10b1400SMax Laier struct iwi_fw *uc, const char *ucname) 2225c10b1400SMax Laier { 2226c10b1400SMax Laier if (fw->fp == NULL) 2227c10b1400SMax Laier fw->fp = firmware_get(fwname); 2228c10b1400SMax Laier /* NB: pre-3.0 ucode is packaged separately */ 2229c10b1400SMax Laier if (uc->fp == NULL && fw->fp != NULL && fw->fp->version < 300) 2230c10b1400SMax Laier uc->fp = firmware_get(ucname); 2231c10b1400SMax Laier } 2232c10b1400SMax Laier 2233c10b1400SMax Laier /* 2234c10b1400SMax Laier * Get the required firmware images if not already loaded. 2235c10b1400SMax Laier * Note that we hold firmware images so long as the device 2236c10b1400SMax Laier * is marked up in case we need to reload them on device init. 2237c10b1400SMax Laier * This is necessary because we re-init the device sometimes 2238c10b1400SMax Laier * from a context where we cannot read from the filesystem 2239c10b1400SMax Laier * (e.g. from the taskqueue thread when rfkill is re-enabled). 2240484f6530SLuigi Rizzo * XXX return 0 on success, 1 on error. 2241c10b1400SMax Laier * 2242c10b1400SMax Laier * NB: the order of get'ing and put'ing images here is 2243c10b1400SMax Laier * intentional to support handling firmware images bundled 2244c10b1400SMax Laier * by operating mode and/or all together in one file with 2245c10b1400SMax Laier * the boot firmware as "master". 2246c10b1400SMax Laier */ 2247c10b1400SMax Laier static int 2248b032f27cSSam Leffler iwi_get_firmware(struct iwi_softc *sc, enum ieee80211_opmode opmode) 2249c10b1400SMax Laier { 2250c10b1400SMax Laier const struct iwi_firmware_hdr *hdr; 225133d54970SLuigi Rizzo const struct firmware *fp; 2252c10b1400SMax Laier 2253c10b1400SMax Laier /* invalidate cached firmware on mode change */ 2254b032f27cSSam Leffler if (sc->fw_mode != opmode) 2255c10b1400SMax Laier iwi_put_firmware(sc); 2256c10b1400SMax Laier 2257b032f27cSSam Leffler switch (opmode) { 2258c10b1400SMax Laier case IEEE80211_M_STA: 2259c10b1400SMax Laier iwi_getfw(&sc->fw_fw, "iwi_bss", &sc->fw_uc, "iwi_ucode_bss"); 2260c10b1400SMax Laier break; 2261c10b1400SMax Laier case IEEE80211_M_IBSS: 2262c10b1400SMax Laier iwi_getfw(&sc->fw_fw, "iwi_ibss", &sc->fw_uc, "iwi_ucode_ibss"); 2263c10b1400SMax Laier break; 2264c10b1400SMax Laier case IEEE80211_M_MONITOR: 2265c10b1400SMax Laier iwi_getfw(&sc->fw_fw, "iwi_monitor", 2266c10b1400SMax Laier &sc->fw_uc, "iwi_ucode_monitor"); 2267c10b1400SMax Laier break; 2268c10b1400SMax Laier default: 2269820e6a1fSRui Paulo device_printf(sc->sc_dev, "unknown opmode %d\n", opmode); 2270820e6a1fSRui Paulo return EINVAL; 2271c10b1400SMax Laier } 2272c10b1400SMax Laier fp = sc->fw_fw.fp; 2273c10b1400SMax Laier if (fp == NULL) { 2274c10b1400SMax Laier device_printf(sc->sc_dev, "could not load firmware\n"); 2275c10b1400SMax Laier goto bad; 2276c10b1400SMax Laier } 2277c10b1400SMax Laier if (fp->version < 300) { 2278c10b1400SMax Laier /* 2279c10b1400SMax Laier * Firmware prior to 3.0 was packaged as separate 2280c10b1400SMax Laier * boot, firmware, and ucode images. Verify the 2281c10b1400SMax Laier * ucode image was read in, retrieve the boot image 2282c10b1400SMax Laier * if needed, and check version stamps for consistency. 2283c10b1400SMax Laier * The version stamps in the data are also checked 2284c10b1400SMax Laier * above; this is a bit paranoid but is a cheap 2285c10b1400SMax Laier * safeguard against mis-packaging. 2286c10b1400SMax Laier */ 2287c10b1400SMax Laier if (sc->fw_uc.fp == NULL) { 2288c10b1400SMax Laier device_printf(sc->sc_dev, "could not load ucode\n"); 2289c10b1400SMax Laier goto bad; 2290c10b1400SMax Laier } 2291c10b1400SMax Laier if (sc->fw_boot.fp == NULL) { 2292c10b1400SMax Laier sc->fw_boot.fp = firmware_get("iwi_boot"); 2293c10b1400SMax Laier if (sc->fw_boot.fp == NULL) { 2294c10b1400SMax Laier device_printf(sc->sc_dev, 2295c10b1400SMax Laier "could not load boot firmware\n"); 2296c10b1400SMax Laier goto bad; 2297c10b1400SMax Laier } 2298c10b1400SMax Laier } 2299c10b1400SMax Laier if (sc->fw_boot.fp->version != sc->fw_fw.fp->version || 2300c10b1400SMax Laier sc->fw_boot.fp->version != sc->fw_uc.fp->version) { 2301c10b1400SMax Laier device_printf(sc->sc_dev, 2302c10b1400SMax Laier "firmware version mismatch: " 2303c10b1400SMax Laier "'%s' is %d, '%s' is %d, '%s' is %d\n", 2304c10b1400SMax Laier sc->fw_boot.fp->name, sc->fw_boot.fp->version, 2305c10b1400SMax Laier sc->fw_uc.fp->name, sc->fw_uc.fp->version, 2306c10b1400SMax Laier sc->fw_fw.fp->name, sc->fw_fw.fp->version 2307c10b1400SMax Laier ); 2308c10b1400SMax Laier goto bad; 2309c10b1400SMax Laier } 2310c10b1400SMax Laier /* 2311c10b1400SMax Laier * Check and setup each image. 2312c10b1400SMax Laier */ 2313c10b1400SMax Laier if (iwi_setup_oucode(sc, &sc->fw_uc) == NULL || 2314c10b1400SMax Laier iwi_setup_ofw(sc, &sc->fw_boot) == NULL || 2315c10b1400SMax Laier iwi_setup_ofw(sc, &sc->fw_fw) == NULL) 2316c10b1400SMax Laier goto bad; 2317c10b1400SMax Laier } else { 2318c10b1400SMax Laier /* 2319c10b1400SMax Laier * Check and setup combined image. 2320c10b1400SMax Laier */ 2321484f6530SLuigi Rizzo if (fp->datasize < sizeof(struct iwi_firmware_hdr)) { 2322c10b1400SMax Laier device_printf(sc->sc_dev, "image '%s' too small\n", 2323c10b1400SMax Laier fp->name); 2324c10b1400SMax Laier goto bad; 2325c10b1400SMax Laier } 2326c10b1400SMax Laier hdr = (const struct iwi_firmware_hdr *)fp->data; 2327484f6530SLuigi Rizzo if (fp->datasize < sizeof(*hdr) + le32toh(hdr->bsize) + le32toh(hdr->usize) 2328484f6530SLuigi Rizzo + le32toh(hdr->fsize)) { 2329c10b1400SMax Laier device_printf(sc->sc_dev, "image '%s' too small (2)\n", 2330c10b1400SMax Laier fp->name); 2331c10b1400SMax Laier goto bad; 2332c10b1400SMax Laier } 2333c10b1400SMax Laier sc->fw_boot.data = ((const char *) fp->data) + sizeof(*hdr); 2334484f6530SLuigi Rizzo sc->fw_boot.size = le32toh(hdr->bsize); 2335c10b1400SMax Laier sc->fw_boot.name = fp->name; 2336c10b1400SMax Laier sc->fw_uc.data = sc->fw_boot.data + sc->fw_boot.size; 2337484f6530SLuigi Rizzo sc->fw_uc.size = le32toh(hdr->usize); 2338c10b1400SMax Laier sc->fw_uc.name = fp->name; 2339c10b1400SMax Laier sc->fw_fw.data = sc->fw_uc.data + sc->fw_uc.size; 2340484f6530SLuigi Rizzo sc->fw_fw.size = le32toh(hdr->fsize); 2341c10b1400SMax Laier sc->fw_fw.name = fp->name; 2342c10b1400SMax Laier } 2343484f6530SLuigi Rizzo #if 0 2344484f6530SLuigi Rizzo device_printf(sc->sc_dev, "boot %d ucode %d fw %d bytes\n", 2345484f6530SLuigi Rizzo sc->fw_boot.size, sc->fw_uc.size, sc->fw_fw.size); 2346484f6530SLuigi Rizzo #endif 2347c10b1400SMax Laier 2348b032f27cSSam Leffler sc->fw_mode = opmode; 2349484f6530SLuigi Rizzo return 0; 2350c10b1400SMax Laier bad: 2351c10b1400SMax Laier iwi_put_firmware(sc); 2352484f6530SLuigi Rizzo return 1; 2353c10b1400SMax Laier } 2354c10b1400SMax Laier 2355c10b1400SMax Laier static void 2356c10b1400SMax Laier iwi_put_fw(struct iwi_fw *fw) 2357c10b1400SMax Laier { 2358c10b1400SMax Laier if (fw->fp != NULL) { 2359c10b1400SMax Laier firmware_put(fw->fp, FIRMWARE_UNLOAD); 2360c10b1400SMax Laier fw->fp = NULL; 2361c10b1400SMax Laier } 2362c10b1400SMax Laier fw->data = NULL; 2363c10b1400SMax Laier fw->size = 0; 2364c10b1400SMax Laier fw->name = NULL; 2365c10b1400SMax Laier } 2366c10b1400SMax Laier 2367c10b1400SMax Laier /* 2368c10b1400SMax Laier * Release any cached firmware images. 2369c10b1400SMax Laier */ 2370c10b1400SMax Laier static void 2371c10b1400SMax Laier iwi_put_firmware(struct iwi_softc *sc) 2372c10b1400SMax Laier { 2373c10b1400SMax Laier iwi_put_fw(&sc->fw_uc); 2374c10b1400SMax Laier iwi_put_fw(&sc->fw_fw); 2375c10b1400SMax Laier iwi_put_fw(&sc->fw_boot); 2376c10b1400SMax Laier } 2377c10b1400SMax Laier 2378c10b1400SMax Laier static int 2379c10b1400SMax Laier iwi_load_ucode(struct iwi_softc *sc, const struct iwi_fw *fw) 2380c10b1400SMax Laier { 2381c10b1400SMax Laier uint32_t tmp; 2382c10b1400SMax Laier const uint16_t *w; 2383c10b1400SMax Laier const char *uc = fw->data; 2384c10b1400SMax Laier size_t size = fw->size; 2385c10b1400SMax Laier int i, ntries, error; 2386c10b1400SMax Laier 238768e8e04eSSam Leffler IWI_LOCK_ASSERT(sc); 2388c10b1400SMax Laier error = 0; 2389ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_RST, CSR_READ_4(sc, IWI_CSR_RST) | 2390ceaec73dSDamien Bergamini IWI_RST_STOP_MASTER); 2391ceaec73dSDamien Bergamini for (ntries = 0; ntries < 5; ntries++) { 2392ceaec73dSDamien Bergamini if (CSR_READ_4(sc, IWI_CSR_RST) & IWI_RST_MASTER_DISABLED) 2393ceaec73dSDamien Bergamini break; 2394ceaec73dSDamien Bergamini DELAY(10); 2395ceaec73dSDamien Bergamini } 2396ceaec73dSDamien Bergamini if (ntries == 5) { 2397ceaec73dSDamien Bergamini device_printf(sc->sc_dev, "timeout waiting for master\n"); 2398c10b1400SMax Laier error = EIO; 2399c10b1400SMax Laier goto fail; 2400ceaec73dSDamien Bergamini } 2401ceaec73dSDamien Bergamini 2402ceaec73dSDamien Bergamini MEM_WRITE_4(sc, 0x3000e0, 0x80000000); 2403ceaec73dSDamien Bergamini DELAY(5000); 2404ceaec73dSDamien Bergamini 2405ceaec73dSDamien Bergamini tmp = CSR_READ_4(sc, IWI_CSR_RST); 2406ceaec73dSDamien Bergamini tmp &= ~IWI_RST_PRINCETON_RESET; 2407ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_RST, tmp); 2408ceaec73dSDamien Bergamini 2409ceaec73dSDamien Bergamini DELAY(5000); 2410ceaec73dSDamien Bergamini MEM_WRITE_4(sc, 0x3000e0, 0); 2411ceaec73dSDamien Bergamini DELAY(1000); 2412c10b1400SMax Laier MEM_WRITE_4(sc, IWI_MEM_EEPROM_EVENT, 1); 2413ceaec73dSDamien Bergamini DELAY(1000); 2414c10b1400SMax Laier MEM_WRITE_4(sc, IWI_MEM_EEPROM_EVENT, 0); 2415ceaec73dSDamien Bergamini DELAY(1000); 2416ceaec73dSDamien Bergamini MEM_WRITE_1(sc, 0x200000, 0x00); 2417ceaec73dSDamien Bergamini MEM_WRITE_1(sc, 0x200000, 0x40); 2418ceaec73dSDamien Bergamini DELAY(1000); 2419ceaec73dSDamien Bergamini 2420ceaec73dSDamien Bergamini /* write microcode into adapter memory */ 2421c10b1400SMax Laier for (w = (const uint16_t *)uc; size > 0; w++, size -= 2) 242281e6343cSDamien Bergamini MEM_WRITE_2(sc, 0x200010, htole16(*w)); 2423ceaec73dSDamien Bergamini 2424ceaec73dSDamien Bergamini MEM_WRITE_1(sc, 0x200000, 0x00); 2425ceaec73dSDamien Bergamini MEM_WRITE_1(sc, 0x200000, 0x80); 2426ceaec73dSDamien Bergamini 2427ceaec73dSDamien Bergamini /* wait until we get an answer */ 2428ceaec73dSDamien Bergamini for (ntries = 0; ntries < 100; ntries++) { 2429ceaec73dSDamien Bergamini if (MEM_READ_1(sc, 0x200000) & 1) 2430ceaec73dSDamien Bergamini break; 2431ceaec73dSDamien Bergamini DELAY(100); 2432ceaec73dSDamien Bergamini } 2433ceaec73dSDamien Bergamini if (ntries == 100) { 2434ceaec73dSDamien Bergamini device_printf(sc->sc_dev, 2435ceaec73dSDamien Bergamini "timeout waiting for ucode to initialize\n"); 2436c10b1400SMax Laier error = EIO; 2437c10b1400SMax Laier goto fail; 2438ceaec73dSDamien Bergamini } 2439ceaec73dSDamien Bergamini 2440ceaec73dSDamien Bergamini /* read the answer or the firmware will not initialize properly */ 2441ceaec73dSDamien Bergamini for (i = 0; i < 7; i++) 2442ceaec73dSDamien Bergamini MEM_READ_4(sc, 0x200004); 2443ceaec73dSDamien Bergamini 2444ceaec73dSDamien Bergamini MEM_WRITE_1(sc, 0x200000, 0x00); 2445ceaec73dSDamien Bergamini 2446c10b1400SMax Laier fail: 2447c10b1400SMax Laier return error; 2448ceaec73dSDamien Bergamini } 2449ceaec73dSDamien Bergamini 2450ceaec73dSDamien Bergamini /* macro to handle unaligned little endian data in firmware image */ 2451ceaec73dSDamien Bergamini #define GETLE32(p) ((p)[0] | (p)[1] << 8 | (p)[2] << 16 | (p)[3] << 24) 2452ceaec73dSDamien Bergamini 2453ceaec73dSDamien Bergamini static int 2454c10b1400SMax Laier iwi_load_firmware(struct iwi_softc *sc, const struct iwi_fw *fw) 2455ceaec73dSDamien Bergamini { 2456ceaec73dSDamien Bergamini u_char *p, *end; 2457ceaec73dSDamien Bergamini uint32_t sentinel, ctl, src, dst, sum, len, mlen, tmp; 2458e1000b36SScott Long int ntries, error; 2459408146edSDamien Bergamini 246068e8e04eSSam Leffler IWI_LOCK_ASSERT(sc); 2461b032f27cSSam Leffler 2462ceaec73dSDamien Bergamini /* copy firmware image to DMA memory */ 2463c10b1400SMax Laier memcpy(sc->fw_virtaddr, fw->data, fw->size); 2464ceaec73dSDamien Bergamini 2465ceaec73dSDamien Bergamini /* make sure the adapter will get up-to-date values */ 2466c10b1400SMax Laier bus_dmamap_sync(sc->fw_dmat, sc->fw_map, BUS_DMASYNC_PREWRITE); 2467c56adf0aSDamien Bergamini 2468ceaec73dSDamien Bergamini /* tell the adapter where the command blocks are stored */ 2469ceaec73dSDamien Bergamini MEM_WRITE_4(sc, 0x3000a0, 0x27000); 2470ceaec73dSDamien Bergamini 2471ceaec73dSDamien Bergamini /* 2472ceaec73dSDamien Bergamini * Store command blocks into adapter's internal memory using register 2473ceaec73dSDamien Bergamini * indirections. The adapter will read the firmware image through DMA 2474ceaec73dSDamien Bergamini * using information stored in command blocks. 2475ceaec73dSDamien Bergamini */ 2476c10b1400SMax Laier src = sc->fw_physaddr; 2477c10b1400SMax Laier p = sc->fw_virtaddr; 2478c10b1400SMax Laier end = p + fw->size; 2479ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_AUTOINC_ADDR, 0x27000); 2480ceaec73dSDamien Bergamini 2481ceaec73dSDamien Bergamini while (p < end) { 2482ceaec73dSDamien Bergamini dst = GETLE32(p); p += 4; src += 4; 2483ceaec73dSDamien Bergamini len = GETLE32(p); p += 4; src += 4; 2484ceaec73dSDamien Bergamini p += len; 2485ceaec73dSDamien Bergamini 2486ceaec73dSDamien Bergamini while (len > 0) { 2487ceaec73dSDamien Bergamini mlen = min(len, IWI_CB_MAXDATALEN); 2488ceaec73dSDamien Bergamini 2489ceaec73dSDamien Bergamini ctl = IWI_CB_DEFAULT_CTL | mlen; 2490ceaec73dSDamien Bergamini sum = ctl ^ src ^ dst; 2491ceaec73dSDamien Bergamini 2492ceaec73dSDamien Bergamini /* write a command block */ 2493ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, ctl); 2494ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, src); 2495ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, dst); 2496ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, sum); 2497ceaec73dSDamien Bergamini 2498ceaec73dSDamien Bergamini src += mlen; 2499ceaec73dSDamien Bergamini dst += mlen; 2500ceaec73dSDamien Bergamini len -= mlen; 2501ceaec73dSDamien Bergamini } 2502ceaec73dSDamien Bergamini } 2503ceaec73dSDamien Bergamini 2504ceaec73dSDamien Bergamini /* write a fictive final command block (sentinel) */ 2505ceaec73dSDamien Bergamini sentinel = CSR_READ_4(sc, IWI_CSR_AUTOINC_ADDR); 2506ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, 0); 2507ceaec73dSDamien Bergamini 2508ceaec73dSDamien Bergamini tmp = CSR_READ_4(sc, IWI_CSR_RST); 2509ceaec73dSDamien Bergamini tmp &= ~(IWI_RST_MASTER_DISABLED | IWI_RST_STOP_MASTER); 2510ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_RST, tmp); 2511ceaec73dSDamien Bergamini 2512ceaec73dSDamien Bergamini /* tell the adapter to start processing command blocks */ 2513ceaec73dSDamien Bergamini MEM_WRITE_4(sc, 0x3000a4, 0x540100); 2514ceaec73dSDamien Bergamini 2515408146edSDamien Bergamini /* wait until the adapter reaches the sentinel */ 2516ceaec73dSDamien Bergamini for (ntries = 0; ntries < 400; ntries++) { 2517ceaec73dSDamien Bergamini if (MEM_READ_4(sc, 0x3000d0) >= sentinel) 2518ceaec73dSDamien Bergamini break; 2519ceaec73dSDamien Bergamini DELAY(100); 2520ceaec73dSDamien Bergamini } 2521484f6530SLuigi Rizzo /* sync dma, just in case */ 2522484f6530SLuigi Rizzo bus_dmamap_sync(sc->fw_dmat, sc->fw_map, BUS_DMASYNC_POSTWRITE); 2523ceaec73dSDamien Bergamini if (ntries == 400) { 2524ceaec73dSDamien Bergamini device_printf(sc->sc_dev, 2525c10b1400SMax Laier "timeout processing command blocks for %s firmware\n", 2526c10b1400SMax Laier fw->name); 2527484f6530SLuigi Rizzo return EIO; 2528ceaec73dSDamien Bergamini } 2529ceaec73dSDamien Bergamini 2530ceaec73dSDamien Bergamini /* we're done with command blocks processing */ 2531ceaec73dSDamien Bergamini MEM_WRITE_4(sc, 0x3000a4, 0x540c00); 2532ceaec73dSDamien Bergamini 2533408146edSDamien Bergamini /* allow interrupts so we know when the firmware is ready */ 2534ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_INTR_MASK, IWI_INTR_MASK); 2535ceaec73dSDamien Bergamini 2536ceaec73dSDamien Bergamini /* tell the adapter to initialize the firmware */ 2537ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_RST, 0); 2538ceaec73dSDamien Bergamini 2539ceaec73dSDamien Bergamini tmp = CSR_READ_4(sc, IWI_CSR_CTL); 2540ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_CTL, tmp | IWI_CTL_ALLOW_STANDBY); 2541ceaec73dSDamien Bergamini 2542ceaec73dSDamien Bergamini /* wait at most one second for firmware initialization to complete */ 2543ceaec73dSDamien Bergamini if ((error = msleep(sc, &sc->sc_mtx, 0, "iwiinit", hz)) != 0) { 2544c10b1400SMax Laier device_printf(sc->sc_dev, "timeout waiting for %s firmware " 2545c10b1400SMax Laier "initialization to complete\n", fw->name); 2546ceaec73dSDamien Bergamini } 2547ceaec73dSDamien Bergamini 2548ceaec73dSDamien Bergamini return error; 2549ceaec73dSDamien Bergamini } 2550ceaec73dSDamien Bergamini 2551ceaec73dSDamien Bergamini static int 2552b032f27cSSam Leffler iwi_setpowermode(struct iwi_softc *sc, struct ieee80211vap *vap) 2553c10b1400SMax Laier { 2554c10b1400SMax Laier uint32_t data; 2555c10b1400SMax Laier 2556b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_PMGTON) { 2557c10b1400SMax Laier /* XXX set more fine-grained operation */ 2558c10b1400SMax Laier data = htole32(IWI_POWER_MODE_MAX); 2559c10b1400SMax Laier } else 2560c10b1400SMax Laier data = htole32(IWI_POWER_MODE_CAM); 2561c10b1400SMax Laier 2562c10b1400SMax Laier DPRINTF(("Setting power mode to %u\n", le32toh(data))); 2563c10b1400SMax Laier return iwi_cmd(sc, IWI_CMD_SET_POWER_MODE, &data, sizeof data); 2564c10b1400SMax Laier } 2565c10b1400SMax Laier 2566c10b1400SMax Laier static int 2567b032f27cSSam Leffler iwi_setwepkeys(struct iwi_softc *sc, struct ieee80211vap *vap) 2568c10b1400SMax Laier { 2569c10b1400SMax Laier struct iwi_wep_key wepkey; 2570c10b1400SMax Laier struct ieee80211_key *wk; 2571c10b1400SMax Laier int error, i; 2572c10b1400SMax Laier 2573c10b1400SMax Laier for (i = 0; i < IEEE80211_WEP_NKID; i++) { 2574b032f27cSSam Leffler wk = &vap->iv_nw_keys[i]; 2575c10b1400SMax Laier 2576c10b1400SMax Laier wepkey.cmd = IWI_WEP_KEY_CMD_SETKEY; 2577c10b1400SMax Laier wepkey.idx = i; 2578c10b1400SMax Laier wepkey.len = wk->wk_keylen; 2579c10b1400SMax Laier memset(wepkey.key, 0, sizeof wepkey.key); 2580c10b1400SMax Laier memcpy(wepkey.key, wk->wk_key, wk->wk_keylen); 2581c10b1400SMax Laier DPRINTF(("Setting wep key index %u len %u\n", wepkey.idx, 2582c10b1400SMax Laier wepkey.len)); 2583c10b1400SMax Laier error = iwi_cmd(sc, IWI_CMD_SET_WEP_KEY, &wepkey, 2584c10b1400SMax Laier sizeof wepkey); 2585c10b1400SMax Laier if (error != 0) 2586c10b1400SMax Laier return error; 2587c10b1400SMax Laier } 2588c10b1400SMax Laier return 0; 2589c10b1400SMax Laier } 2590c10b1400SMax Laier 2591c10b1400SMax Laier static int 2592ceaec73dSDamien Bergamini iwi_config(struct iwi_softc *sc) 2593ceaec73dSDamien Bergamini { 2594b032f27cSSam Leffler struct ifnet *ifp = sc->sc_ifp; 2595b032f27cSSam Leffler struct ieee80211com *ic = ifp->if_l2com; 2596ceaec73dSDamien Bergamini struct iwi_configuration config; 2597ceaec73dSDamien Bergamini struct iwi_rateset rs; 2598ceaec73dSDamien Bergamini struct iwi_txpower power; 2599ceaec73dSDamien Bergamini uint32_t data; 2600ceaec73dSDamien Bergamini int error, i; 2601b032f27cSSam Leffler 260268e8e04eSSam Leffler IWI_LOCK_ASSERT(sc); 2603ceaec73dSDamien Bergamini 260429aca940SSam Leffler DPRINTF(("Setting MAC address to %6D\n", IF_LLADDR(ifp), ":")); 260529aca940SSam Leffler error = iwi_cmd(sc, IWI_CMD_SET_MAC_ADDRESS, IF_LLADDR(ifp), 2606c10b1400SMax Laier IEEE80211_ADDR_LEN); 2607ceaec73dSDamien Bergamini if (error != 0) 2608ceaec73dSDamien Bergamini return error; 2609ceaec73dSDamien Bergamini 2610ceaec73dSDamien Bergamini memset(&config, 0, sizeof config); 2611ceaec73dSDamien Bergamini config.bluetooth_coexistence = sc->bluetooth; 2612c10b1400SMax Laier config.silence_threshold = 0x1e; 2613acea4241SDamien Bergamini config.antenna = sc->antenna; 2614ceaec73dSDamien Bergamini config.multicast_enabled = 1; 2615acea4241SDamien Bergamini config.answer_pbreq = (ic->ic_opmode == IEEE80211_M_IBSS) ? 1 : 0; 2616acea4241SDamien Bergamini config.disable_unicast_decryption = 1; 2617acea4241SDamien Bergamini config.disable_multicast_decryption = 1; 261840668dc5SBernhard Schmidt if (ic->ic_opmode == IEEE80211_M_MONITOR) { 261940668dc5SBernhard Schmidt config.allow_invalid_frames = 1; 262040668dc5SBernhard Schmidt config.allow_beacon_and_probe_resp = 1; 262140668dc5SBernhard Schmidt config.allow_mgt = 1; 262240668dc5SBernhard Schmidt } 2623ceaec73dSDamien Bergamini DPRINTF(("Configuring adapter\n")); 2624c10b1400SMax Laier error = iwi_cmd(sc, IWI_CMD_SET_CONFIG, &config, sizeof config); 2625ceaec73dSDamien Bergamini if (error != 0) 2626ceaec73dSDamien Bergamini return error; 2627ceaec73dSDamien Bergamini if (ic->ic_opmode == IEEE80211_M_IBSS) { 2628ceaec73dSDamien Bergamini power.mode = IWI_MODE_11B; 2629ceaec73dSDamien Bergamini power.nchan = 11; 2630ceaec73dSDamien Bergamini for (i = 0; i < 11; i++) { 2631ceaec73dSDamien Bergamini power.chan[i].chan = i + 1; 2632ceaec73dSDamien Bergamini power.chan[i].power = IWI_TXPOWER_MAX; 2633ceaec73dSDamien Bergamini } 2634ceaec73dSDamien Bergamini DPRINTF(("Setting .11b channels tx power\n")); 2635c10b1400SMax Laier error = iwi_cmd(sc, IWI_CMD_SET_TX_POWER, &power, sizeof power); 2636ceaec73dSDamien Bergamini if (error != 0) 2637ceaec73dSDamien Bergamini return error; 2638ceaec73dSDamien Bergamini 2639ceaec73dSDamien Bergamini power.mode = IWI_MODE_11G; 2640ceaec73dSDamien Bergamini DPRINTF(("Setting .11g channels tx power\n")); 2641c10b1400SMax Laier error = iwi_cmd(sc, IWI_CMD_SET_TX_POWER, &power, sizeof power); 2642ceaec73dSDamien Bergamini if (error != 0) 2643ceaec73dSDamien Bergamini return error; 2644ceaec73dSDamien Bergamini } 2645ceaec73dSDamien Bergamini 2646163ee276SAndrew Thompson memset(&rs, 0, sizeof rs); 2647ceaec73dSDamien Bergamini rs.mode = IWI_MODE_11G; 2648ceaec73dSDamien Bergamini rs.type = IWI_RATESET_TYPE_SUPPORTED; 2649ceaec73dSDamien Bergamini rs.nrates = ic->ic_sup_rates[IEEE80211_MODE_11G].rs_nrates; 2650ceaec73dSDamien Bergamini memcpy(rs.rates, ic->ic_sup_rates[IEEE80211_MODE_11G].rs_rates, 2651ceaec73dSDamien Bergamini rs.nrates); 2652ceaec73dSDamien Bergamini DPRINTF(("Setting .11bg supported rates (%u)\n", rs.nrates)); 2653c10b1400SMax Laier error = iwi_cmd(sc, IWI_CMD_SET_RATES, &rs, sizeof rs); 2654ceaec73dSDamien Bergamini if (error != 0) 2655ceaec73dSDamien Bergamini return error; 2656ceaec73dSDamien Bergamini 2657163ee276SAndrew Thompson memset(&rs, 0, sizeof rs); 2658ceaec73dSDamien Bergamini rs.mode = IWI_MODE_11A; 2659ceaec73dSDamien Bergamini rs.type = IWI_RATESET_TYPE_SUPPORTED; 2660ceaec73dSDamien Bergamini rs.nrates = ic->ic_sup_rates[IEEE80211_MODE_11A].rs_nrates; 2661ceaec73dSDamien Bergamini memcpy(rs.rates, ic->ic_sup_rates[IEEE80211_MODE_11A].rs_rates, 2662ceaec73dSDamien Bergamini rs.nrates); 2663ceaec73dSDamien Bergamini DPRINTF(("Setting .11a supported rates (%u)\n", rs.nrates)); 2664c10b1400SMax Laier error = iwi_cmd(sc, IWI_CMD_SET_RATES, &rs, sizeof rs); 2665ceaec73dSDamien Bergamini if (error != 0) 2666ceaec73dSDamien Bergamini return error; 2667ceaec73dSDamien Bergamini 2668ceaec73dSDamien Bergamini data = htole32(arc4random()); 2669ceaec73dSDamien Bergamini DPRINTF(("Setting initialization vector to %u\n", le32toh(data))); 2670c10b1400SMax Laier error = iwi_cmd(sc, IWI_CMD_SET_IV, &data, sizeof data); 2671ceaec73dSDamien Bergamini if (error != 0) 2672ceaec73dSDamien Bergamini return error; 2673ceaec73dSDamien Bergamini 2674ceaec73dSDamien Bergamini /* enable adapter */ 2675ceaec73dSDamien Bergamini DPRINTF(("Enabling adapter\n")); 2676c10b1400SMax Laier return iwi_cmd(sc, IWI_CMD_ENABLE, NULL, 0); 2677ceaec73dSDamien Bergamini } 2678ceaec73dSDamien Bergamini 2679c10b1400SMax Laier static __inline void 2680c10b1400SMax Laier set_scan_type(struct iwi_scan_ext *scan, int ix, int scan_type) 2681acea4241SDamien Bergamini { 2682c10b1400SMax Laier uint8_t *st = &scan->scan_type[ix / 2]; 2683c10b1400SMax Laier if (ix % 2) 2684c10b1400SMax Laier *st = (*st & 0xf0) | ((scan_type & 0xf) << 0); 2685c10b1400SMax Laier else 2686c10b1400SMax Laier *st = (*st & 0x0f) | ((scan_type & 0xf) << 4); 2687acea4241SDamien Bergamini } 2688acea4241SDamien Bergamini 2689acea4241SDamien Bergamini static int 269068e8e04eSSam Leffler scan_type(const struct ieee80211_scan_state *ss, 269168e8e04eSSam Leffler const struct ieee80211_channel *chan) 2692ceaec73dSDamien Bergamini { 269368e8e04eSSam Leffler /* We can only set one essid for a directed scan */ 269468e8e04eSSam Leffler if (ss->ss_nssid != 0) 269568e8e04eSSam Leffler return IWI_SCAN_TYPE_BDIRECTED; 269668e8e04eSSam Leffler if ((ss->ss_flags & IEEE80211_SCAN_ACTIVE) && 269768e8e04eSSam Leffler (chan->ic_flags & IEEE80211_CHAN_PASSIVE) == 0) 269868e8e04eSSam Leffler return IWI_SCAN_TYPE_BROADCAST; 269968e8e04eSSam Leffler return IWI_SCAN_TYPE_PASSIVE; 270068e8e04eSSam Leffler } 2701ceaec73dSDamien Bergamini 270268e8e04eSSam Leffler static __inline int 270368e8e04eSSam Leffler scan_band(const struct ieee80211_channel *c) 270468e8e04eSSam Leffler { 270568e8e04eSSam Leffler return IEEE80211_IS_CHAN_5GHZ(c) ? IWI_CHAN_5GHZ : IWI_CHAN_2GHZ; 270668e8e04eSSam Leffler } 270768e8e04eSSam Leffler 270840668dc5SBernhard Schmidt static void 270940668dc5SBernhard Schmidt iwi_monitor_scan(void *arg, int npending) 271040668dc5SBernhard Schmidt { 271140668dc5SBernhard Schmidt struct iwi_softc *sc = arg; 271240668dc5SBernhard Schmidt IWI_LOCK_DECL; 271340668dc5SBernhard Schmidt 271440668dc5SBernhard Schmidt IWI_LOCK(sc); 271540668dc5SBernhard Schmidt (void) iwi_scanchan(sc, 2000, 0); 271640668dc5SBernhard Schmidt IWI_UNLOCK(sc); 271740668dc5SBernhard Schmidt } 271840668dc5SBernhard Schmidt 271968e8e04eSSam Leffler /* 272068e8e04eSSam Leffler * Start a scan on the current channel or all channels. 272168e8e04eSSam Leffler */ 272268e8e04eSSam Leffler static int 27235efea30fSAndrew Thompson iwi_scanchan(struct iwi_softc *sc, unsigned long maxdwell, int allchan) 272468e8e04eSSam Leffler { 272568e8e04eSSam Leffler struct ieee80211com *ic; 272668e8e04eSSam Leffler struct ieee80211_channel *chan; 272768e8e04eSSam Leffler struct ieee80211_scan_state *ss; 272868e8e04eSSam Leffler struct iwi_scan_ext scan; 272968e8e04eSSam Leffler int error = 0; 273068e8e04eSSam Leffler 273168e8e04eSSam Leffler IWI_LOCK_ASSERT(sc); 273268e8e04eSSam Leffler if (sc->fw_state == IWI_FW_SCANNING) { 273368e8e04eSSam Leffler /* 273468e8e04eSSam Leffler * This should not happen as we only trigger scan_next after 273568e8e04eSSam Leffler * completion 273668e8e04eSSam Leffler */ 273768e8e04eSSam Leffler DPRINTF(("%s: called too early - still scanning\n", __func__)); 273868e8e04eSSam Leffler return (EBUSY); 273968e8e04eSSam Leffler } 274068e8e04eSSam Leffler IWI_STATE_BEGIN(sc, IWI_FW_SCANNING); 274168e8e04eSSam Leffler 2742b032f27cSSam Leffler ic = sc->sc_ifp->if_l2com; 274368e8e04eSSam Leffler ss = ic->ic_scan; 2744484f6530SLuigi Rizzo 2745ceaec73dSDamien Bergamini memset(&scan, 0, sizeof scan); 274668e8e04eSSam Leffler scan.full_scan_index = htole32(++sc->sc_scangen); 274768e8e04eSSam Leffler scan.dwell_time[IWI_SCAN_TYPE_PASSIVE] = htole16(maxdwell); 274868e8e04eSSam Leffler if (ic->ic_flags_ext & IEEE80211_FEXT_BGSCAN) { 274968e8e04eSSam Leffler /* 275068e8e04eSSam Leffler * Use very short dwell times for when we send probe request 275168e8e04eSSam Leffler * frames. Without this bg scans hang. Ideally this should 275268e8e04eSSam Leffler * be handled with early-termination as done by net80211 but 275368e8e04eSSam Leffler * that's not feasible (aborting a scan is problematic). 275468e8e04eSSam Leffler */ 275568e8e04eSSam Leffler scan.dwell_time[IWI_SCAN_TYPE_BROADCAST] = htole16(30); 275668e8e04eSSam Leffler scan.dwell_time[IWI_SCAN_TYPE_BDIRECTED] = htole16(30); 275768e8e04eSSam Leffler } else { 275868e8e04eSSam Leffler scan.dwell_time[IWI_SCAN_TYPE_BROADCAST] = htole16(maxdwell); 275968e8e04eSSam Leffler scan.dwell_time[IWI_SCAN_TYPE_BDIRECTED] = htole16(maxdwell); 276068e8e04eSSam Leffler } 276180e1a712SDamien Bergamini 276268e8e04eSSam Leffler /* We can only set one essid for a directed scan */ 276368e8e04eSSam Leffler if (ss->ss_nssid != 0) { 276468e8e04eSSam Leffler error = iwi_cmd(sc, IWI_CMD_SET_ESSID, ss->ss_ssid[0].ssid, 276568e8e04eSSam Leffler ss->ss_ssid[0].len); 276668e8e04eSSam Leffler if (error) 276768e8e04eSSam Leffler return (error); 276868e8e04eSSam Leffler } 2769ceaec73dSDamien Bergamini 27705efea30fSAndrew Thompson if (allchan) { 277168e8e04eSSam Leffler int i, next, band, b, bstart; 277268e8e04eSSam Leffler /* 277368e8e04eSSam Leffler * Convert scan list to run-length encoded channel list 277468e8e04eSSam Leffler * the firmware requires (preserving the order setup by 277568e8e04eSSam Leffler * net80211). The first entry in each run specifies the 277668e8e04eSSam Leffler * band and the count of items in the run. 277768e8e04eSSam Leffler */ 277868e8e04eSSam Leffler next = 0; /* next open slot */ 277968e8e04eSSam Leffler bstart = 0; /* NB: not needed, silence compiler */ 278068e8e04eSSam Leffler band = -1; /* NB: impossible value */ 278168e8e04eSSam Leffler KASSERT(ss->ss_last > 0, ("no channels")); 278268e8e04eSSam Leffler for (i = 0; i < ss->ss_last; i++) { 278368e8e04eSSam Leffler chan = ss->ss_chans[i]; 278468e8e04eSSam Leffler b = scan_band(chan); 278568e8e04eSSam Leffler if (b != band) { 278668e8e04eSSam Leffler if (band != -1) 278768e8e04eSSam Leffler scan.channels[bstart] = 278868e8e04eSSam Leffler (next - bstart) | band; 278968e8e04eSSam Leffler /* NB: this allocates a slot for the run-len */ 279068e8e04eSSam Leffler band = b, bstart = next++; 279168e8e04eSSam Leffler } 279268e8e04eSSam Leffler if (next >= IWI_SCAN_CHANNELS) { 279368e8e04eSSam Leffler DPRINTF(("truncating scan list\n")); 279468e8e04eSSam Leffler break; 279568e8e04eSSam Leffler } 279668e8e04eSSam Leffler scan.channels[next] = ieee80211_chan2ieee(ic, chan); 279768e8e04eSSam Leffler set_scan_type(&scan, next, scan_type(ss, chan)); 279868e8e04eSSam Leffler next++; 279968e8e04eSSam Leffler } 280068e8e04eSSam Leffler scan.channels[bstart] = (next - bstart) | band; 280168e8e04eSSam Leffler } else { 280268e8e04eSSam Leffler /* Scan the current channel only */ 280368e8e04eSSam Leffler chan = ic->ic_curchan; 280468e8e04eSSam Leffler scan.channels[0] = 1 | scan_band(chan); 280568e8e04eSSam Leffler scan.channels[1] = ieee80211_chan2ieee(ic, chan); 280668e8e04eSSam Leffler set_scan_type(&scan, 1, scan_type(ss, chan)); 280768e8e04eSSam Leffler } 28080c341cb2SMax Laier #ifdef IWI_DEBUG 28090c341cb2SMax Laier if (iwi_debug > 0) { 281068e8e04eSSam Leffler static const char *scantype[8] = 281168e8e04eSSam Leffler { "PSTOP", "PASV", "DIR", "BCAST", "BDIR", "5", "6", "7" }; 281268e8e04eSSam Leffler int i; 281368e8e04eSSam Leffler printf("Scan request: index %u dwell %d/%d/%d\n" 281468e8e04eSSam Leffler , le32toh(scan.full_scan_index) 281568e8e04eSSam Leffler , le16toh(scan.dwell_time[IWI_SCAN_TYPE_PASSIVE]) 281668e8e04eSSam Leffler , le16toh(scan.dwell_time[IWI_SCAN_TYPE_BROADCAST]) 281768e8e04eSSam Leffler , le16toh(scan.dwell_time[IWI_SCAN_TYPE_BDIRECTED]) 281868e8e04eSSam Leffler ); 281968e8e04eSSam Leffler i = 0; 282068e8e04eSSam Leffler do { 282168e8e04eSSam Leffler int run = scan.channels[i]; 282268e8e04eSSam Leffler if (run == 0) 282368e8e04eSSam Leffler break; 282468e8e04eSSam Leffler printf("Scan %d %s channels:", run & 0x3f, 282568e8e04eSSam Leffler run & IWI_CHAN_2GHZ ? "2.4GHz" : "5GHz"); 282668e8e04eSSam Leffler for (run &= 0x3f, i++; run > 0; run--, i++) { 282768e8e04eSSam Leffler uint8_t type = scan.scan_type[i/2]; 282868e8e04eSSam Leffler printf(" %u/%s", scan.channels[i], 282968e8e04eSSam Leffler scantype[(i & 1 ? type : type>>4) & 7]); 283068e8e04eSSam Leffler } 28310c341cb2SMax Laier printf("\n"); 283268e8e04eSSam Leffler } while (i < IWI_SCAN_CHANNELS); 28330c341cb2SMax Laier } 28340c341cb2SMax Laier #endif 2835c10b1400SMax Laier 283668e8e04eSSam Leffler return (iwi_cmd(sc, IWI_CMD_SCAN_EXT, &scan, sizeof scan)); 2837c10b1400SMax Laier } 2838c10b1400SMax Laier 2839c10b1400SMax Laier static int 2840c10b1400SMax Laier iwi_set_sensitivity(struct iwi_softc *sc, int8_t rssi_dbm) 2841c10b1400SMax Laier { 2842c10b1400SMax Laier struct iwi_sensitivity sens; 2843c10b1400SMax Laier 2844c10b1400SMax Laier DPRINTF(("Setting sensitivity to %d\n", rssi_dbm)); 2845c10b1400SMax Laier 2846c10b1400SMax Laier memset(&sens, 0, sizeof sens); 2847c10b1400SMax Laier sens.rssi = htole16(rssi_dbm); 2848c10b1400SMax Laier return iwi_cmd(sc, IWI_CMD_SET_SENSITIVITY, &sens, sizeof sens); 2849ceaec73dSDamien Bergamini } 2850ceaec73dSDamien Bergamini 2851ceaec73dSDamien Bergamini static int 2852b032f27cSSam Leffler iwi_auth_and_assoc(struct iwi_softc *sc, struct ieee80211vap *vap) 2853ceaec73dSDamien Bergamini { 2854b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 2855b032f27cSSam Leffler struct ifnet *ifp = vap->iv_ifp; 285639bb444cSAdrian Chadd struct ieee80211_node *ni; 2857ceaec73dSDamien Bergamini struct iwi_configuration config; 2858c10b1400SMax Laier struct iwi_associate *assoc = &sc->assoc; 2859ceaec73dSDamien Bergamini struct iwi_rateset rs; 2860acea4241SDamien Bergamini uint16_t capinfo; 2861b032f27cSSam Leffler uint32_t data; 2862163ee276SAndrew Thompson int error, mode; 2863ceaec73dSDamien Bergamini 286468e8e04eSSam Leffler IWI_LOCK_ASSERT(sc); 286568e8e04eSSam Leffler 286639bb444cSAdrian Chadd ni = ieee80211_ref_node(vap->iv_bss); 286739bb444cSAdrian Chadd 286868e8e04eSSam Leffler if (sc->flags & IWI_FLAG_ASSOCIATED) { 286968e8e04eSSam Leffler DPRINTF(("Already associated\n")); 287068e8e04eSSam Leffler return (-1); 287168e8e04eSSam Leffler } 287268e8e04eSSam Leffler 287368e8e04eSSam Leffler IWI_STATE_BEGIN(sc, IWI_FW_ASSOCIATING); 287468e8e04eSSam Leffler error = 0; 2875163ee276SAndrew Thompson mode = 0; 2876163ee276SAndrew Thompson 2877163ee276SAndrew Thompson if (IEEE80211_IS_CHAN_A(ic->ic_curchan)) 2878163ee276SAndrew Thompson mode = IWI_MODE_11A; 2879163ee276SAndrew Thompson else if (IEEE80211_IS_CHAN_G(ic->ic_curchan)) 2880163ee276SAndrew Thompson mode = IWI_MODE_11G; 2881163ee276SAndrew Thompson if (IEEE80211_IS_CHAN_B(ic->ic_curchan)) 2882163ee276SAndrew Thompson mode = IWI_MODE_11B; 2883163ee276SAndrew Thompson 288468e8e04eSSam Leffler if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) { 2885ceaec73dSDamien Bergamini memset(&config, 0, sizeof config); 2886ceaec73dSDamien Bergamini config.bluetooth_coexistence = sc->bluetooth; 2887acea4241SDamien Bergamini config.antenna = sc->antenna; 2888ceaec73dSDamien Bergamini config.multicast_enabled = 1; 2889163ee276SAndrew Thompson if (mode == IWI_MODE_11G) 2890ceaec73dSDamien Bergamini config.use_protection = 1; 2891acea4241SDamien Bergamini config.answer_pbreq = 2892b032f27cSSam Leffler (vap->iv_opmode == IEEE80211_M_IBSS) ? 1 : 0; 2893acea4241SDamien Bergamini config.disable_unicast_decryption = 1; 2894acea4241SDamien Bergamini config.disable_multicast_decryption = 1; 2895ceaec73dSDamien Bergamini DPRINTF(("Configuring adapter\n")); 2896c10b1400SMax Laier error = iwi_cmd(sc, IWI_CMD_SET_CONFIG, &config, sizeof config); 2897ceaec73dSDamien Bergamini if (error != 0) 289868e8e04eSSam Leffler goto done; 2899ceaec73dSDamien Bergamini } 2900ceaec73dSDamien Bergamini 2901ceaec73dSDamien Bergamini #ifdef IWI_DEBUG 2902ceaec73dSDamien Bergamini if (iwi_debug > 0) { 2903ceaec73dSDamien Bergamini printf("Setting ESSID to "); 2904ceaec73dSDamien Bergamini ieee80211_print_essid(ni->ni_essid, ni->ni_esslen); 2905ceaec73dSDamien Bergamini printf("\n"); 2906ceaec73dSDamien Bergamini } 2907ceaec73dSDamien Bergamini #endif 2908c10b1400SMax Laier error = iwi_cmd(sc, IWI_CMD_SET_ESSID, ni->ni_essid, ni->ni_esslen); 2909ceaec73dSDamien Bergamini if (error != 0) 291068e8e04eSSam Leffler goto done; 2911ceaec73dSDamien Bergamini 2912b032f27cSSam Leffler error = iwi_setpowermode(sc, vap); 2913b032f27cSSam Leffler if (error != 0) 2914b032f27cSSam Leffler goto done; 2915b032f27cSSam Leffler 2916b032f27cSSam Leffler data = htole32(vap->iv_rtsthreshold); 2917b032f27cSSam Leffler DPRINTF(("Setting RTS threshold to %u\n", le32toh(data))); 2918b032f27cSSam Leffler error = iwi_cmd(sc, IWI_CMD_SET_RTS_THRESHOLD, &data, sizeof data); 2919b032f27cSSam Leffler if (error != 0) 2920b032f27cSSam Leffler goto done; 2921b032f27cSSam Leffler 2922b032f27cSSam Leffler data = htole32(vap->iv_fragthreshold); 2923b032f27cSSam Leffler DPRINTF(("Setting fragmentation threshold to %u\n", le32toh(data))); 2924b032f27cSSam Leffler error = iwi_cmd(sc, IWI_CMD_SET_FRAG_THRESHOLD, &data, sizeof data); 2925b032f27cSSam Leffler if (error != 0) 2926b032f27cSSam Leffler goto done; 2927b032f27cSSam Leffler 292880e1a712SDamien Bergamini /* the rate set has already been "negotiated" */ 2929163ee276SAndrew Thompson memset(&rs, 0, sizeof rs); 2930163ee276SAndrew Thompson rs.mode = mode; 293180e1a712SDamien Bergamini rs.type = IWI_RATESET_TYPE_NEGOTIATED; 2932ceaec73dSDamien Bergamini rs.nrates = ni->ni_rates.rs_nrates; 2933aaae09daSMax Laier if (rs.nrates > IWI_RATESET_SIZE) { 2934aaae09daSMax Laier DPRINTF(("Truncating negotiated rate set from %u\n", 2935aaae09daSMax Laier rs.nrates)); 2936aaae09daSMax Laier rs.nrates = IWI_RATESET_SIZE; 2937aaae09daSMax Laier } 2938ceaec73dSDamien Bergamini memcpy(rs.rates, ni->ni_rates.rs_rates, rs.nrates); 2939c10b1400SMax Laier DPRINTF(("Setting negotiated rates (%u)\n", rs.nrates)); 2940c10b1400SMax Laier error = iwi_cmd(sc, IWI_CMD_SET_RATES, &rs, sizeof rs); 2941ceaec73dSDamien Bergamini if (error != 0) 294268e8e04eSSam Leffler goto done; 2943ceaec73dSDamien Bergamini 2944c10b1400SMax Laier memset(assoc, 0, sizeof *assoc); 2945c10b1400SMax Laier 2946b032f27cSSam Leffler if ((vap->iv_flags & IEEE80211_F_WME) && ni->ni_ies.wme_ie != NULL) { 2947c10b1400SMax Laier /* NB: don't treat WME setup as failure */ 2948b032f27cSSam Leffler if (iwi_wme_setparams(sc, ic) == 0 && iwi_wme_setie(sc) == 0) 2949c10b1400SMax Laier assoc->policy |= htole16(IWI_POLICY_WME); 2950c10b1400SMax Laier /* XXX complain on failure? */ 2951ec01dc2bSDamien Bergamini } 2952ec01dc2bSDamien Bergamini 2953b032f27cSSam Leffler if (vap->iv_appie_wpa != NULL) { 2954b032f27cSSam Leffler struct ieee80211_appie *ie = vap->iv_appie_wpa; 2955b032f27cSSam Leffler 2956b032f27cSSam Leffler DPRINTF(("Setting optional IE (len=%u)\n", ie->ie_len)); 2957b032f27cSSam Leffler error = iwi_cmd(sc, IWI_CMD_SET_OPTIE, ie->ie_data, ie->ie_len); 2958acea4241SDamien Bergamini if (error != 0) 295968e8e04eSSam Leffler goto done; 2960acea4241SDamien Bergamini } 2961acea4241SDamien Bergamini 2962b032f27cSSam Leffler error = iwi_set_sensitivity(sc, ic->ic_node_getrssi(ni)); 2963ceaec73dSDamien Bergamini if (error != 0) 296468e8e04eSSam Leffler goto done; 2965ceaec73dSDamien Bergamini 2966163ee276SAndrew Thompson assoc->mode = mode; 296768e8e04eSSam Leffler assoc->chan = ic->ic_curchan->ic_ieee; 2968c10b1400SMax Laier /* 2969c10b1400SMax Laier * NB: do not arrange for shared key auth w/o privacy 2970c10b1400SMax Laier * (i.e. a wep key); it causes a firmware error. 2971c10b1400SMax Laier */ 2972b032f27cSSam Leffler if ((vap->iv_flags & IEEE80211_F_PRIVACY) && 2973c10b1400SMax Laier ni->ni_authmode == IEEE80211_AUTH_SHARED) { 2974c10b1400SMax Laier assoc->auth = IWI_AUTH_SHARED; 2975c10b1400SMax Laier /* 2976c10b1400SMax Laier * It's possible to have privacy marked but no default 2977c10b1400SMax Laier * key setup. This typically is due to a user app bug 2978c10b1400SMax Laier * but if we blindly grab the key the firmware will 2979c10b1400SMax Laier * barf so avoid it for now. 2980c10b1400SMax Laier */ 2981b032f27cSSam Leffler if (vap->iv_def_txkey != IEEE80211_KEYIX_NONE) 2982b032f27cSSam Leffler assoc->auth |= vap->iv_def_txkey << 4; 2983c10b1400SMax Laier 2984b032f27cSSam Leffler error = iwi_setwepkeys(sc, vap); 2985c10b1400SMax Laier if (error != 0) 298668e8e04eSSam Leffler goto done; 2987c10b1400SMax Laier } 2988b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_WPA) 2989c10b1400SMax Laier assoc->policy |= htole16(IWI_POLICY_WPA); 2990b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_IBSS && ni->ni_tstamp.tsf == 0) 2991c10b1400SMax Laier assoc->type = IWI_HC_IBSS_START; 2992c10b1400SMax Laier else 2993c10b1400SMax Laier assoc->type = IWI_HC_ASSOC; 2994c10b1400SMax Laier memcpy(assoc->tstamp, ni->ni_tstamp.data, 8); 2995acea4241SDamien Bergamini 2996b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_IBSS) 2997acea4241SDamien Bergamini capinfo = IEEE80211_CAPINFO_IBSS; 2998acea4241SDamien Bergamini else 2999acea4241SDamien Bergamini capinfo = IEEE80211_CAPINFO_ESS; 3000b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_PRIVACY) 3001acea4241SDamien Bergamini capinfo |= IEEE80211_CAPINFO_PRIVACY; 3002acea4241SDamien Bergamini if ((ic->ic_flags & IEEE80211_F_SHPREAMBLE) && 300368e8e04eSSam Leffler IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) 3004acea4241SDamien Bergamini capinfo |= IEEE80211_CAPINFO_SHORT_PREAMBLE; 3005c10b1400SMax Laier if (ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME) 3006acea4241SDamien Bergamini capinfo |= IEEE80211_CAPINFO_SHORT_SLOTTIME; 3007c10b1400SMax Laier assoc->capinfo = htole16(capinfo); 3008acea4241SDamien Bergamini 3009c10b1400SMax Laier assoc->lintval = htole16(ic->ic_lintval); 3010c10b1400SMax Laier assoc->intval = htole16(ni->ni_intval); 3011c10b1400SMax Laier IEEE80211_ADDR_COPY(assoc->bssid, ni->ni_bssid); 3012b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_IBSS) 3013c10b1400SMax Laier IEEE80211_ADDR_COPY(assoc->dst, ifp->if_broadcastaddr); 3014ceaec73dSDamien Bergamini else 3015c10b1400SMax Laier IEEE80211_ADDR_COPY(assoc->dst, ni->ni_bssid); 3016ceaec73dSDamien Bergamini 3017c10b1400SMax Laier DPRINTF(("%s bssid %6D dst %6D channel %u policy 0x%x " 3018c10b1400SMax Laier "auth %u capinfo 0x%x lintval %u bintval %u\n", 3019c10b1400SMax Laier assoc->type == IWI_HC_IBSS_START ? "Start" : "Join", 3020c10b1400SMax Laier assoc->bssid, ":", assoc->dst, ":", 3021c10b1400SMax Laier assoc->chan, le16toh(assoc->policy), assoc->auth, 3022c10b1400SMax Laier le16toh(assoc->capinfo), le16toh(assoc->lintval), 3023c10b1400SMax Laier le16toh(assoc->intval))); 302468e8e04eSSam Leffler error = iwi_cmd(sc, IWI_CMD_ASSOCIATE, assoc, sizeof *assoc); 302568e8e04eSSam Leffler done: 302639bb444cSAdrian Chadd ieee80211_free_node(ni); 302768e8e04eSSam Leffler if (error) 302868e8e04eSSam Leffler IWI_STATE_END(sc, IWI_FW_ASSOCIATING); 302968e8e04eSSam Leffler 303068e8e04eSSam Leffler return (error); 3031ceaec73dSDamien Bergamini } 3032ceaec73dSDamien Bergamini 30335efea30fSAndrew Thompson static void 30345efea30fSAndrew Thompson iwi_disassoc(void *arg, int pending) 30355efea30fSAndrew Thompson { 30365efea30fSAndrew Thompson struct iwi_softc *sc = arg; 30375efea30fSAndrew Thompson IWI_LOCK_DECL; 30385efea30fSAndrew Thompson 30395efea30fSAndrew Thompson IWI_LOCK(sc); 30405efea30fSAndrew Thompson iwi_disassociate(sc, 0); 30415efea30fSAndrew Thompson IWI_UNLOCK(sc); 30425efea30fSAndrew Thompson } 30435efea30fSAndrew Thompson 3044c10b1400SMax Laier static int 3045c10b1400SMax Laier iwi_disassociate(struct iwi_softc *sc, int quiet) 30461b996b2aSDamien Bergamini { 3047c10b1400SMax Laier struct iwi_associate *assoc = &sc->assoc; 3048c10b1400SMax Laier 304968e8e04eSSam Leffler if ((sc->flags & IWI_FLAG_ASSOCIATED) == 0) { 305068e8e04eSSam Leffler DPRINTF(("Not associated\n")); 305168e8e04eSSam Leffler return (-1); 305268e8e04eSSam Leffler } 305368e8e04eSSam Leffler 305468e8e04eSSam Leffler IWI_STATE_BEGIN(sc, IWI_FW_DISASSOCIATING); 305568e8e04eSSam Leffler 3056c10b1400SMax Laier if (quiet) 3057c10b1400SMax Laier assoc->type = IWI_HC_DISASSOC_QUIET; 3058c10b1400SMax Laier else 3059c10b1400SMax Laier assoc->type = IWI_HC_DISASSOC; 3060c10b1400SMax Laier 3061c10b1400SMax Laier DPRINTF(("Trying to disassociate from %6D channel %u\n", 3062c10b1400SMax Laier assoc->bssid, ":", assoc->chan)); 3063c10b1400SMax Laier return iwi_cmd(sc, IWI_CMD_ASSOCIATE, assoc, sizeof *assoc); 3064c10b1400SMax Laier } 3065c10b1400SMax Laier 3066484f6530SLuigi Rizzo /* 3067484f6530SLuigi Rizzo * release dma resources for the firmware 3068484f6530SLuigi Rizzo */ 3069484f6530SLuigi Rizzo static void 3070484f6530SLuigi Rizzo iwi_release_fw_dma(struct iwi_softc *sc) 3071484f6530SLuigi Rizzo { 3072484f6530SLuigi Rizzo if (sc->fw_flags & IWI_FW_HAVE_PHY) 3073484f6530SLuigi Rizzo bus_dmamap_unload(sc->fw_dmat, sc->fw_map); 3074484f6530SLuigi Rizzo if (sc->fw_flags & IWI_FW_HAVE_MAP) 3075484f6530SLuigi Rizzo bus_dmamem_free(sc->fw_dmat, sc->fw_virtaddr, sc->fw_map); 3076484f6530SLuigi Rizzo if (sc->fw_flags & IWI_FW_HAVE_DMAT) 3077484f6530SLuigi Rizzo bus_dma_tag_destroy(sc->fw_dmat); 3078484f6530SLuigi Rizzo 3079484f6530SLuigi Rizzo sc->fw_flags = 0; 3080484f6530SLuigi Rizzo sc->fw_dma_size = 0; 3081484f6530SLuigi Rizzo sc->fw_dmat = NULL; 3082484f6530SLuigi Rizzo sc->fw_map = NULL; 3083484f6530SLuigi Rizzo sc->fw_physaddr = 0; 3084484f6530SLuigi Rizzo sc->fw_virtaddr = NULL; 3085484f6530SLuigi Rizzo } 3086484f6530SLuigi Rizzo 3087484f6530SLuigi Rizzo /* 3088484f6530SLuigi Rizzo * allocate the dma descriptor for the firmware. 3089484f6530SLuigi Rizzo * Return 0 on success, 1 on error. 3090484f6530SLuigi Rizzo * Must be called unlocked, protected by IWI_FLAG_FW_LOADING. 3091484f6530SLuigi Rizzo */ 3092484f6530SLuigi Rizzo static int 3093484f6530SLuigi Rizzo iwi_init_fw_dma(struct iwi_softc *sc, int size) 3094484f6530SLuigi Rizzo { 3095899ff586SJohn Baldwin if (sc->fw_dma_size >= size) 3096484f6530SLuigi Rizzo return 0; 3097484f6530SLuigi Rizzo if (bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 4, 0, 3098484f6530SLuigi Rizzo BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 3099484f6530SLuigi Rizzo size, 1, size, 0, NULL, NULL, &sc->fw_dmat) != 0) { 3100484f6530SLuigi Rizzo device_printf(sc->sc_dev, 3101484f6530SLuigi Rizzo "could not create firmware DMA tag\n"); 3102484f6530SLuigi Rizzo goto error; 3103484f6530SLuigi Rizzo } 3104484f6530SLuigi Rizzo sc->fw_flags |= IWI_FW_HAVE_DMAT; 3105484f6530SLuigi Rizzo if (bus_dmamem_alloc(sc->fw_dmat, &sc->fw_virtaddr, 0, 3106484f6530SLuigi Rizzo &sc->fw_map) != 0) { 3107484f6530SLuigi Rizzo device_printf(sc->sc_dev, 3108484f6530SLuigi Rizzo "could not allocate firmware DMA memory\n"); 3109484f6530SLuigi Rizzo goto error; 3110484f6530SLuigi Rizzo } 3111484f6530SLuigi Rizzo sc->fw_flags |= IWI_FW_HAVE_MAP; 3112484f6530SLuigi Rizzo if (bus_dmamap_load(sc->fw_dmat, sc->fw_map, sc->fw_virtaddr, 3113484f6530SLuigi Rizzo size, iwi_dma_map_addr, &sc->fw_physaddr, 0) != 0) { 3114484f6530SLuigi Rizzo device_printf(sc->sc_dev, "could not load firmware DMA map\n"); 3115484f6530SLuigi Rizzo goto error; 3116484f6530SLuigi Rizzo } 3117484f6530SLuigi Rizzo sc->fw_flags |= IWI_FW_HAVE_PHY; 3118484f6530SLuigi Rizzo sc->fw_dma_size = size; 3119484f6530SLuigi Rizzo return 0; 3120484f6530SLuigi Rizzo 3121484f6530SLuigi Rizzo error: 3122484f6530SLuigi Rizzo iwi_release_fw_dma(sc); 3123484f6530SLuigi Rizzo return 1; 3124484f6530SLuigi Rizzo } 3125484f6530SLuigi Rizzo 3126c10b1400SMax Laier static void 3127b032f27cSSam Leffler iwi_init_locked(struct iwi_softc *sc) 3128c10b1400SMax Laier { 3129b032f27cSSam Leffler struct ifnet *ifp = sc->sc_ifp; 3130ceaec73dSDamien Bergamini struct iwi_rx_data *data; 3131c10b1400SMax Laier int i; 3132c56adf0aSDamien Bergamini 313368e8e04eSSam Leffler IWI_LOCK_ASSERT(sc); 3134b032f27cSSam Leffler 313568e8e04eSSam Leffler if (sc->fw_state == IWI_FW_LOADING) { 3136484f6530SLuigi Rizzo device_printf(sc->sc_dev, "%s: already loading\n", __func__); 3137c10b1400SMax Laier return; /* XXX: condvar? */ 3138484f6530SLuigi Rizzo } 3139ceaec73dSDamien Bergamini 3140b032f27cSSam Leffler iwi_stop_locked(sc); 3141b032f27cSSam Leffler 314268e8e04eSSam Leffler IWI_STATE_BEGIN(sc, IWI_FW_LOADING); 3143ceaec73dSDamien Bergamini 3144ceaec73dSDamien Bergamini if (iwi_reset(sc) != 0) { 3145ceaec73dSDamien Bergamini device_printf(sc->sc_dev, "could not reset adapter\n"); 3146c10b1400SMax Laier goto fail; 3147ceaec73dSDamien Bergamini } 3148c10b1400SMax Laier if (iwi_load_firmware(sc, &sc->fw_boot) != 0) { 3149bef9529dSDamien Bergamini device_printf(sc->sc_dev, 3150c10b1400SMax Laier "could not load boot firmware %s\n", sc->fw_boot.name); 3151484f6530SLuigi Rizzo goto fail; 3152bef9529dSDamien Bergamini } 3153c10b1400SMax Laier if (iwi_load_ucode(sc, &sc->fw_uc) != 0) { 3154c10b1400SMax Laier device_printf(sc->sc_dev, 3155c10b1400SMax Laier "could not load microcode %s\n", sc->fw_uc.name); 3156484f6530SLuigi Rizzo goto fail; 3157ceaec73dSDamien Bergamini } 3158ceaec73dSDamien Bergamini 3159ceaec73dSDamien Bergamini iwi_stop_master(sc); 3160ceaec73dSDamien Bergamini 3161ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_CMD_BASE, sc->cmdq.physaddr); 3162ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_CMD_SIZE, sc->cmdq.count); 3163ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_CMD_WIDX, sc->cmdq.cur); 3164ceaec73dSDamien Bergamini 3165ec01dc2bSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_TX1_BASE, sc->txq[0].physaddr); 3166ec01dc2bSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_TX1_SIZE, sc->txq[0].count); 3167ec01dc2bSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_TX1_WIDX, sc->txq[0].cur); 3168ceaec73dSDamien Bergamini 3169ec01dc2bSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_TX2_BASE, sc->txq[1].physaddr); 3170ec01dc2bSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_TX2_SIZE, sc->txq[1].count); 3171ec01dc2bSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_TX2_WIDX, sc->txq[1].cur); 3172ceaec73dSDamien Bergamini 3173ec01dc2bSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_TX3_BASE, sc->txq[2].physaddr); 3174ec01dc2bSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_TX3_SIZE, sc->txq[2].count); 3175ec01dc2bSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_TX3_WIDX, sc->txq[2].cur); 3176ceaec73dSDamien Bergamini 3177ec01dc2bSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_TX4_BASE, sc->txq[3].physaddr); 3178ec01dc2bSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_TX4_SIZE, sc->txq[3].count); 3179ec01dc2bSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_TX4_WIDX, sc->txq[3].cur); 3180ceaec73dSDamien Bergamini 3181ceaec73dSDamien Bergamini for (i = 0; i < sc->rxq.count; i++) { 3182ceaec73dSDamien Bergamini data = &sc->rxq.data[i]; 3183ceaec73dSDamien Bergamini CSR_WRITE_4(sc, data->reg, data->physaddr); 3184ceaec73dSDamien Bergamini } 3185ceaec73dSDamien Bergamini 3186ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_RX_WIDX, sc->rxq.count - 1); 3187ceaec73dSDamien Bergamini 3188c10b1400SMax Laier if (iwi_load_firmware(sc, &sc->fw_fw) != 0) { 3189c10b1400SMax Laier device_printf(sc->sc_dev, 3190c10b1400SMax Laier "could not load main firmware %s\n", sc->fw_fw.name); 3191484f6530SLuigi Rizzo goto fail; 3192ceaec73dSDamien Bergamini } 3193ceaec73dSDamien Bergamini sc->flags |= IWI_FLAG_FW_INITED; 3194ceaec73dSDamien Bergamini 3195b032f27cSSam Leffler IWI_STATE_END(sc, IWI_FW_LOADING); 3196ceaec73dSDamien Bergamini 3197b032f27cSSam Leffler if (iwi_config(sc) != 0) { 3198b032f27cSSam Leffler device_printf(sc->sc_dev, "unable to enable adapter\n"); 3199b032f27cSSam Leffler goto fail2; 3200b032f27cSSam Leffler } 3201ceaec73dSDamien Bergamini 320268e8e04eSSam Leffler callout_reset(&sc->sc_wdtimer, hz, iwi_watchdog, sc); 320313f4c340SRobert Watson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 320413f4c340SRobert Watson ifp->if_drv_flags |= IFF_DRV_RUNNING; 3205ceaec73dSDamien Bergamini return; 3206b032f27cSSam Leffler fail: 320768e8e04eSSam Leffler IWI_STATE_END(sc, IWI_FW_LOADING); 3208b032f27cSSam Leffler fail2: 3209b032f27cSSam Leffler iwi_stop_locked(sc); 3210ceaec73dSDamien Bergamini } 3211ceaec73dSDamien Bergamini 3212ceaec73dSDamien Bergamini static void 3213b032f27cSSam Leffler iwi_init(void *priv) 3214ceaec73dSDamien Bergamini { 3215ceaec73dSDamien Bergamini struct iwi_softc *sc = priv; 3216b032f27cSSam Leffler struct ifnet *ifp = sc->sc_ifp; 3217b032f27cSSam Leffler struct ieee80211com *ic = ifp->if_l2com; 3218b032f27cSSam Leffler IWI_LOCK_DECL; 3219b032f27cSSam Leffler 3220b032f27cSSam Leffler IWI_LOCK(sc); 3221b032f27cSSam Leffler iwi_init_locked(sc); 3222b032f27cSSam Leffler IWI_UNLOCK(sc); 3223b032f27cSSam Leffler 3224b032f27cSSam Leffler if (ifp->if_drv_flags & IFF_DRV_RUNNING) 3225b032f27cSSam Leffler ieee80211_start_all(ic); 3226b032f27cSSam Leffler } 3227b032f27cSSam Leffler 3228b032f27cSSam Leffler static void 3229b032f27cSSam Leffler iwi_stop_locked(void *priv) 3230b032f27cSSam Leffler { 3231b032f27cSSam Leffler struct iwi_softc *sc = priv; 3232b032f27cSSam Leffler struct ifnet *ifp = sc->sc_ifp; 3233ceaec73dSDamien Bergamini 323468e8e04eSSam Leffler IWI_LOCK_ASSERT(sc); 3235b032f27cSSam Leffler 3236b032f27cSSam Leffler ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 3237b032f27cSSam Leffler 3238c10b1400SMax Laier if (sc->sc_softled) { 3239c10b1400SMax Laier callout_stop(&sc->sc_ledtimer); 3240c10b1400SMax Laier sc->sc_blinking = 0; 3241c10b1400SMax Laier } 324268e8e04eSSam Leffler callout_stop(&sc->sc_wdtimer); 3243b032f27cSSam Leffler callout_stop(&sc->sc_rftimer); 3244b032f27cSSam Leffler 3245ceaec73dSDamien Bergamini iwi_stop_master(sc); 3246ceaec73dSDamien Bergamini 3247ceaec73dSDamien Bergamini CSR_WRITE_4(sc, IWI_CSR_RST, IWI_RST_SOFT_RESET); 3248ceaec73dSDamien Bergamini 3249ceaec73dSDamien Bergamini /* reset rings */ 3250ceaec73dSDamien Bergamini iwi_reset_cmd_ring(sc, &sc->cmdq); 3251ec01dc2bSDamien Bergamini iwi_reset_tx_ring(sc, &sc->txq[0]); 3252ec01dc2bSDamien Bergamini iwi_reset_tx_ring(sc, &sc->txq[1]); 3253ec01dc2bSDamien Bergamini iwi_reset_tx_ring(sc, &sc->txq[2]); 3254ec01dc2bSDamien Bergamini iwi_reset_tx_ring(sc, &sc->txq[3]); 3255ceaec73dSDamien Bergamini iwi_reset_rx_ring(sc, &sc->rxq); 3256ceaec73dSDamien Bergamini 3257c10b1400SMax Laier sc->sc_tx_timer = 0; 325868e8e04eSSam Leffler sc->sc_state_timer = 0; 325968e8e04eSSam Leffler sc->sc_busy_timer = 0; 326068e8e04eSSam Leffler sc->flags &= ~(IWI_FLAG_BUSY | IWI_FLAG_ASSOCIATED); 326168e8e04eSSam Leffler sc->fw_state = IWI_FW_IDLE; 326268e8e04eSSam Leffler wakeup(sc); 3263b032f27cSSam Leffler } 3264c10b1400SMax Laier 3265b032f27cSSam Leffler static void 3266b032f27cSSam Leffler iwi_stop(struct iwi_softc *sc) 3267b032f27cSSam Leffler { 3268b032f27cSSam Leffler IWI_LOCK_DECL; 3269b032f27cSSam Leffler 3270b032f27cSSam Leffler IWI_LOCK(sc); 3271b032f27cSSam Leffler iwi_stop_locked(sc); 3272b032f27cSSam Leffler IWI_UNLOCK(sc); 3273c10b1400SMax Laier } 3274c10b1400SMax Laier 3275c10b1400SMax Laier static void 3276c10b1400SMax Laier iwi_restart(void *arg, int npending) 3277c10b1400SMax Laier { 3278c10b1400SMax Laier struct iwi_softc *sc = arg; 3279c10b1400SMax Laier 3280b032f27cSSam Leffler iwi_init(sc); 3281c10b1400SMax Laier } 3282c10b1400SMax Laier 3283c10b1400SMax Laier /* 3284c10b1400SMax Laier * Return whether or not the radio is enabled in hardware 3285c10b1400SMax Laier * (i.e. the rfkill switch is "off"). 3286c10b1400SMax Laier */ 3287c10b1400SMax Laier static int 3288c10b1400SMax Laier iwi_getrfkill(struct iwi_softc *sc) 3289c10b1400SMax Laier { 3290c10b1400SMax Laier return (CSR_READ_4(sc, IWI_CSR_IO) & IWI_IO_RADIO_ENABLED) == 0; 3291c10b1400SMax Laier } 3292c10b1400SMax Laier 3293c10b1400SMax Laier static void 3294c10b1400SMax Laier iwi_radio_on(void *arg, int pending) 3295c10b1400SMax Laier { 3296c10b1400SMax Laier struct iwi_softc *sc = arg; 3297b032f27cSSam Leffler struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3298c10b1400SMax Laier 3299c10b1400SMax Laier device_printf(sc->sc_dev, "radio turned on\n"); 3300b032f27cSSam Leffler 3301c10b1400SMax Laier iwi_init(sc); 3302b032f27cSSam Leffler ieee80211_notify_radio(ic, 1); 3303b032f27cSSam Leffler } 3304b032f27cSSam Leffler 3305b032f27cSSam Leffler static void 3306b032f27cSSam Leffler iwi_rfkill_poll(void *arg) 3307b032f27cSSam Leffler { 3308b032f27cSSam Leffler struct iwi_softc *sc = arg; 3309b032f27cSSam Leffler 3310b032f27cSSam Leffler IWI_LOCK_ASSERT(sc); 3311b032f27cSSam Leffler 3312b032f27cSSam Leffler /* 3313b032f27cSSam Leffler * Check for a change in rfkill state. We get an 3314b032f27cSSam Leffler * interrupt when a radio is disabled but not when 3315b032f27cSSam Leffler * it is enabled so we must poll for the latter. 3316b032f27cSSam Leffler */ 3317b032f27cSSam Leffler if (!iwi_getrfkill(sc)) { 33185efea30fSAndrew Thompson struct ifnet *ifp = sc->sc_ifp; 33195efea30fSAndrew Thompson struct ieee80211com *ic = ifp->if_l2com; 33205efea30fSAndrew Thompson 33215efea30fSAndrew Thompson ieee80211_runtask(ic, &sc->sc_radiontask); 3322b032f27cSSam Leffler return; 3323b032f27cSSam Leffler } 3324b032f27cSSam Leffler callout_reset(&sc->sc_rftimer, 2*hz, iwi_rfkill_poll, sc); 3325c10b1400SMax Laier } 3326c10b1400SMax Laier 3327c10b1400SMax Laier static void 3328c10b1400SMax Laier iwi_radio_off(void *arg, int pending) 3329c10b1400SMax Laier { 3330c10b1400SMax Laier struct iwi_softc *sc = arg; 3331b032f27cSSam Leffler struct ieee80211com *ic = sc->sc_ifp->if_l2com; 333268e8e04eSSam Leffler IWI_LOCK_DECL; 3333c10b1400SMax Laier 3334c10b1400SMax Laier device_printf(sc->sc_dev, "radio turned off\n"); 3335b032f27cSSam Leffler 3336b032f27cSSam Leffler ieee80211_notify_radio(ic, 0); 3337b032f27cSSam Leffler 333868e8e04eSSam Leffler IWI_LOCK(sc); 3339b032f27cSSam Leffler iwi_stop_locked(sc); 3340b032f27cSSam Leffler iwi_rfkill_poll(sc); 334168e8e04eSSam Leffler IWI_UNLOCK(sc); 3342ceaec73dSDamien Bergamini } 3343ceaec73dSDamien Bergamini 3344ceaec73dSDamien Bergamini static int 3345ceaec73dSDamien Bergamini iwi_sysctl_stats(SYSCTL_HANDLER_ARGS) 3346ceaec73dSDamien Bergamini { 3347ceaec73dSDamien Bergamini struct iwi_softc *sc = arg1; 3348ceaec73dSDamien Bergamini uint32_t size, buf[128]; 3349ceaec73dSDamien Bergamini 3350ceaec73dSDamien Bergamini memset(buf, 0, sizeof buf); 33516c3c35e4SPhilip Paeps 33526c3c35e4SPhilip Paeps if (!(sc->flags & IWI_FLAG_FW_INITED)) 3353ceaec73dSDamien Bergamini return SYSCTL_OUT(req, buf, sizeof buf); 3354ceaec73dSDamien Bergamini 3355ceaec73dSDamien Bergamini size = min(CSR_READ_4(sc, IWI_CSR_TABLE0_SIZE), 128 - 1); 3356ceaec73dSDamien Bergamini CSR_READ_REGION_4(sc, IWI_CSR_TABLE0_BASE, &buf[1], size); 3357ceaec73dSDamien Bergamini 33586c3c35e4SPhilip Paeps return SYSCTL_OUT(req, buf, size); 3359ceaec73dSDamien Bergamini } 3360ceaec73dSDamien Bergamini 3361ceaec73dSDamien Bergamini static int 3362ceaec73dSDamien Bergamini iwi_sysctl_radio(SYSCTL_HANDLER_ARGS) 3363ceaec73dSDamien Bergamini { 3364ceaec73dSDamien Bergamini struct iwi_softc *sc = arg1; 3365c10b1400SMax Laier int val = !iwi_getrfkill(sc); 3366ceaec73dSDamien Bergamini 3367ceaec73dSDamien Bergamini return SYSCTL_OUT(req, &val, sizeof val); 3368ceaec73dSDamien Bergamini } 3369c10b1400SMax Laier 3370c10b1400SMax Laier /* 3371c10b1400SMax Laier * Add sysctl knobs. 3372c10b1400SMax Laier */ 3373c10b1400SMax Laier static void 3374c10b1400SMax Laier iwi_sysctlattach(struct iwi_softc *sc) 3375c10b1400SMax Laier { 3376c10b1400SMax Laier struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 3377c10b1400SMax Laier struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 3378c10b1400SMax Laier 3379c10b1400SMax Laier SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "radio", 3380c10b1400SMax Laier CTLTYPE_INT | CTLFLAG_RD, sc, 0, iwi_sysctl_radio, "I", 3381c10b1400SMax Laier "radio transmitter switch state (0=off, 1=on)"); 3382c10b1400SMax Laier 3383c10b1400SMax Laier SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "stats", 3384c10b1400SMax Laier CTLTYPE_OPAQUE | CTLFLAG_RD, sc, 0, iwi_sysctl_stats, "S", 3385c10b1400SMax Laier "statistics"); 3386c10b1400SMax Laier 3387c10b1400SMax Laier sc->bluetooth = 0; 3388c10b1400SMax Laier SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "bluetooth", 3389c10b1400SMax Laier CTLFLAG_RW, &sc->bluetooth, 0, "bluetooth coexistence"); 3390c10b1400SMax Laier 3391c10b1400SMax Laier sc->antenna = IWI_ANTENNA_AUTO; 3392c10b1400SMax Laier SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "antenna", 3393c10b1400SMax Laier CTLFLAG_RW, &sc->antenna, 0, "antenna (0=auto)"); 3394c10b1400SMax Laier } 3395c10b1400SMax Laier 3396c10b1400SMax Laier /* 3397c10b1400SMax Laier * LED support. 3398c10b1400SMax Laier * 3399c10b1400SMax Laier * Different cards have different capabilities. Some have three 3400c10b1400SMax Laier * led's while others have only one. The linux ipw driver defines 3401c10b1400SMax Laier * led's for link state (associated or not), band (11a, 11g, 11b), 3402c10b1400SMax Laier * and for link activity. We use one led and vary the blink rate 3403c10b1400SMax Laier * according to the tx/rx traffic a la the ath driver. 3404c10b1400SMax Laier */ 3405c10b1400SMax Laier 3406c10b1400SMax Laier static __inline uint32_t 3407c10b1400SMax Laier iwi_toggle_event(uint32_t r) 3408c10b1400SMax Laier { 3409c10b1400SMax Laier return r &~ (IWI_RST_STANDBY | IWI_RST_GATE_ODMA | 3410c10b1400SMax Laier IWI_RST_GATE_IDMA | IWI_RST_GATE_ADMA); 3411c10b1400SMax Laier } 3412c10b1400SMax Laier 3413c10b1400SMax Laier static uint32_t 3414c10b1400SMax Laier iwi_read_event(struct iwi_softc *sc) 3415c10b1400SMax Laier { 3416c10b1400SMax Laier return MEM_READ_4(sc, IWI_MEM_EEPROM_EVENT); 3417c10b1400SMax Laier } 3418c10b1400SMax Laier 3419c10b1400SMax Laier static void 3420c10b1400SMax Laier iwi_write_event(struct iwi_softc *sc, uint32_t v) 3421c10b1400SMax Laier { 3422c10b1400SMax Laier MEM_WRITE_4(sc, IWI_MEM_EEPROM_EVENT, v); 3423c10b1400SMax Laier } 3424c10b1400SMax Laier 3425c10b1400SMax Laier static void 3426c10b1400SMax Laier iwi_led_done(void *arg) 3427c10b1400SMax Laier { 3428c10b1400SMax Laier struct iwi_softc *sc = arg; 3429c10b1400SMax Laier 3430c10b1400SMax Laier sc->sc_blinking = 0; 3431c10b1400SMax Laier } 3432c10b1400SMax Laier 3433c10b1400SMax Laier /* 3434c10b1400SMax Laier * Turn the activity LED off: flip the pin and then set a timer so no 3435c10b1400SMax Laier * update will happen for the specified duration. 3436c10b1400SMax Laier */ 3437c10b1400SMax Laier static void 3438c10b1400SMax Laier iwi_led_off(void *arg) 3439c10b1400SMax Laier { 3440c10b1400SMax Laier struct iwi_softc *sc = arg; 3441c10b1400SMax Laier uint32_t v; 3442c10b1400SMax Laier 3443c10b1400SMax Laier v = iwi_read_event(sc); 3444c10b1400SMax Laier v &= ~sc->sc_ledpin; 3445c10b1400SMax Laier iwi_write_event(sc, iwi_toggle_event(v)); 3446c10b1400SMax Laier callout_reset(&sc->sc_ledtimer, sc->sc_ledoff, iwi_led_done, sc); 3447c10b1400SMax Laier } 3448c10b1400SMax Laier 3449c10b1400SMax Laier /* 3450c10b1400SMax Laier * Blink the LED according to the specified on/off times. 3451c10b1400SMax Laier */ 3452c10b1400SMax Laier static void 3453c10b1400SMax Laier iwi_led_blink(struct iwi_softc *sc, int on, int off) 3454c10b1400SMax Laier { 3455c10b1400SMax Laier uint32_t v; 3456c10b1400SMax Laier 3457c10b1400SMax Laier v = iwi_read_event(sc); 3458c10b1400SMax Laier v |= sc->sc_ledpin; 3459c10b1400SMax Laier iwi_write_event(sc, iwi_toggle_event(v)); 3460c10b1400SMax Laier sc->sc_blinking = 1; 3461c10b1400SMax Laier sc->sc_ledoff = off; 3462c10b1400SMax Laier callout_reset(&sc->sc_ledtimer, on, iwi_led_off, sc); 3463c10b1400SMax Laier } 3464c10b1400SMax Laier 3465c10b1400SMax Laier static void 3466c10b1400SMax Laier iwi_led_event(struct iwi_softc *sc, int event) 3467c10b1400SMax Laier { 3468c10b1400SMax Laier #define N(a) (sizeof(a)/sizeof(a[0])) 3469c10b1400SMax Laier /* NB: on/off times from the Atheros NDIS driver, w/ permission */ 3470c10b1400SMax Laier static const struct { 3471c10b1400SMax Laier u_int rate; /* tx/rx iwi rate */ 3472c10b1400SMax Laier u_int16_t timeOn; /* LED on time (ms) */ 3473c10b1400SMax Laier u_int16_t timeOff; /* LED off time (ms) */ 3474c10b1400SMax Laier } blinkrates[] = { 3475c10b1400SMax Laier { IWI_RATE_OFDM54, 40, 10 }, 3476c10b1400SMax Laier { IWI_RATE_OFDM48, 44, 11 }, 3477c10b1400SMax Laier { IWI_RATE_OFDM36, 50, 13 }, 3478c10b1400SMax Laier { IWI_RATE_OFDM24, 57, 14 }, 3479c10b1400SMax Laier { IWI_RATE_OFDM18, 67, 16 }, 3480c10b1400SMax Laier { IWI_RATE_OFDM12, 80, 20 }, 3481c10b1400SMax Laier { IWI_RATE_DS11, 100, 25 }, 3482c10b1400SMax Laier { IWI_RATE_OFDM9, 133, 34 }, 3483c10b1400SMax Laier { IWI_RATE_OFDM6, 160, 40 }, 3484c10b1400SMax Laier { IWI_RATE_DS5, 200, 50 }, 3485c10b1400SMax Laier { 6, 240, 58 }, /* XXX 3Mb/s if it existed */ 3486c10b1400SMax Laier { IWI_RATE_DS2, 267, 66 }, 3487c10b1400SMax Laier { IWI_RATE_DS1, 400, 100 }, 3488c10b1400SMax Laier { 0, 500, 130 }, /* unknown rate/polling */ 3489c10b1400SMax Laier }; 3490c10b1400SMax Laier uint32_t txrate; 3491c10b1400SMax Laier int j = 0; /* XXX silence compiler */ 3492c10b1400SMax Laier 3493c10b1400SMax Laier sc->sc_ledevent = ticks; /* time of last event */ 3494c10b1400SMax Laier if (sc->sc_blinking) /* don't interrupt active blink */ 3495c10b1400SMax Laier return; 3496c10b1400SMax Laier switch (event) { 3497c10b1400SMax Laier case IWI_LED_POLL: 3498c10b1400SMax Laier j = N(blinkrates)-1; 3499c10b1400SMax Laier break; 3500c10b1400SMax Laier case IWI_LED_TX: 3501c10b1400SMax Laier /* read current transmission rate from adapter */ 3502c10b1400SMax Laier txrate = CSR_READ_4(sc, IWI_CSR_CURRENT_TX_RATE); 3503c10b1400SMax Laier if (blinkrates[sc->sc_txrix].rate != txrate) { 3504c10b1400SMax Laier for (j = 0; j < N(blinkrates)-1; j++) 3505c10b1400SMax Laier if (blinkrates[j].rate == txrate) 3506c10b1400SMax Laier break; 3507c10b1400SMax Laier sc->sc_txrix = j; 3508c10b1400SMax Laier } else 3509c10b1400SMax Laier j = sc->sc_txrix; 3510c10b1400SMax Laier break; 3511c10b1400SMax Laier case IWI_LED_RX: 3512c10b1400SMax Laier if (blinkrates[sc->sc_rxrix].rate != sc->sc_rxrate) { 3513c10b1400SMax Laier for (j = 0; j < N(blinkrates)-1; j++) 3514c10b1400SMax Laier if (blinkrates[j].rate == sc->sc_rxrate) 3515c10b1400SMax Laier break; 3516c10b1400SMax Laier sc->sc_rxrix = j; 3517c10b1400SMax Laier } else 3518c10b1400SMax Laier j = sc->sc_rxrix; 3519c10b1400SMax Laier break; 3520c10b1400SMax Laier } 3521c10b1400SMax Laier /* XXX beware of overflow */ 3522c10b1400SMax Laier iwi_led_blink(sc, (blinkrates[j].timeOn * hz) / 1000, 3523c10b1400SMax Laier (blinkrates[j].timeOff * hz) / 1000); 3524c10b1400SMax Laier #undef N 3525c10b1400SMax Laier } 3526c10b1400SMax Laier 3527c10b1400SMax Laier static int 3528c10b1400SMax Laier iwi_sysctl_softled(SYSCTL_HANDLER_ARGS) 3529c10b1400SMax Laier { 3530c10b1400SMax Laier struct iwi_softc *sc = arg1; 3531c10b1400SMax Laier int softled = sc->sc_softled; 3532c10b1400SMax Laier int error; 3533c10b1400SMax Laier 3534c10b1400SMax Laier error = sysctl_handle_int(oidp, &softled, 0, req); 3535c10b1400SMax Laier if (error || !req->newptr) 3536c10b1400SMax Laier return error; 3537c10b1400SMax Laier softled = (softled != 0); 3538c10b1400SMax Laier if (softled != sc->sc_softled) { 3539c10b1400SMax Laier if (softled) { 3540c10b1400SMax Laier uint32_t v = iwi_read_event(sc); 3541c10b1400SMax Laier v &= ~sc->sc_ledpin; 3542c10b1400SMax Laier iwi_write_event(sc, iwi_toggle_event(v)); 3543c10b1400SMax Laier } 3544c10b1400SMax Laier sc->sc_softled = softled; 3545c10b1400SMax Laier } 3546c10b1400SMax Laier return 0; 3547c10b1400SMax Laier } 3548c10b1400SMax Laier 3549c10b1400SMax Laier static void 3550c10b1400SMax Laier iwi_ledattach(struct iwi_softc *sc) 3551c10b1400SMax Laier { 3552c10b1400SMax Laier struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 3553c10b1400SMax Laier struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 3554c10b1400SMax Laier 3555c10b1400SMax Laier sc->sc_blinking = 0; 3556c10b1400SMax Laier sc->sc_ledstate = 1; 3557c10b1400SMax Laier sc->sc_ledidle = (2700*hz)/1000; /* 2.7sec */ 3558c10b1400SMax Laier callout_init_mtx(&sc->sc_ledtimer, &sc->sc_mtx, 0); 3559c10b1400SMax Laier 3560c10b1400SMax Laier SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 3561c10b1400SMax Laier "softled", CTLTYPE_INT | CTLFLAG_RW, sc, 0, 3562c10b1400SMax Laier iwi_sysctl_softled, "I", "enable/disable software LED support"); 35636dc7dc9aSMatthew D Fleming SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 3564c10b1400SMax Laier "ledpin", CTLFLAG_RW, &sc->sc_ledpin, 0, 3565c10b1400SMax Laier "pin setting to turn activity LED on"); 35666dc7dc9aSMatthew D Fleming SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 3567c10b1400SMax Laier "ledidle", CTLFLAG_RW, &sc->sc_ledidle, 0, 3568c10b1400SMax Laier "idle time for inactivity LED (ticks)"); 3569c10b1400SMax Laier /* XXX for debugging */ 35706dc7dc9aSMatthew D Fleming SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 3571c10b1400SMax Laier "nictype", CTLFLAG_RD, &sc->sc_nictype, 0, 3572c10b1400SMax Laier "NIC type from EEPROM"); 3573c10b1400SMax Laier 3574c10b1400SMax Laier sc->sc_ledpin = IWI_RST_LED_ACTIVITY; 3575c10b1400SMax Laier sc->sc_softled = 1; 3576c10b1400SMax Laier 3577c10b1400SMax Laier sc->sc_nictype = (iwi_read_prom_word(sc, IWI_EEPROM_NIC) >> 8) & 0xff; 3578c10b1400SMax Laier if (sc->sc_nictype == 1) { 3579c10b1400SMax Laier /* 3580c10b1400SMax Laier * NB: led's are reversed. 3581c10b1400SMax Laier */ 3582c10b1400SMax Laier sc->sc_ledpin = IWI_RST_LED_ASSOCIATED; 3583c10b1400SMax Laier } 3584c10b1400SMax Laier } 358568e8e04eSSam Leffler 358668e8e04eSSam Leffler static void 358768e8e04eSSam Leffler iwi_scan_start(struct ieee80211com *ic) 358868e8e04eSSam Leffler { 35895efea30fSAndrew Thompson /* ignore */ 359068e8e04eSSam Leffler } 359168e8e04eSSam Leffler 359268e8e04eSSam Leffler static void 359368e8e04eSSam Leffler iwi_set_channel(struct ieee80211com *ic) 359468e8e04eSSam Leffler { 359568e8e04eSSam Leffler struct ifnet *ifp = ic->ic_ifp; 359668e8e04eSSam Leffler struct iwi_softc *sc = ifp->if_softc; 359768e8e04eSSam Leffler if (sc->fw_state == IWI_FW_IDLE) 359868e8e04eSSam Leffler iwi_setcurchan(sc, ic->ic_curchan->ic_ieee); 359968e8e04eSSam Leffler } 360068e8e04eSSam Leffler 360168e8e04eSSam Leffler static void 3602b032f27cSSam Leffler iwi_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 360368e8e04eSSam Leffler { 3604b032f27cSSam Leffler struct ieee80211vap *vap = ss->ss_vap; 3605b032f27cSSam Leffler struct ifnet *ifp = vap->iv_ic->ic_ifp; 360668e8e04eSSam Leffler struct iwi_softc *sc = ifp->if_softc; 36075efea30fSAndrew Thompson IWI_LOCK_DECL; 360868e8e04eSSam Leffler 36095efea30fSAndrew Thompson IWI_LOCK(sc); 36105efea30fSAndrew Thompson if (iwi_scanchan(sc, maxdwell, 0)) 36115efea30fSAndrew Thompson ieee80211_cancel_scan(vap); 36125efea30fSAndrew Thompson IWI_UNLOCK(sc); 361368e8e04eSSam Leffler } 361468e8e04eSSam Leffler 361568e8e04eSSam Leffler static void 3616b032f27cSSam Leffler iwi_scan_mindwell(struct ieee80211_scan_state *ss) 361768e8e04eSSam Leffler { 361868e8e04eSSam Leffler /* NB: don't try to abort scan; wait for firmware to finish */ 361968e8e04eSSam Leffler } 362068e8e04eSSam Leffler 362168e8e04eSSam Leffler static void 362268e8e04eSSam Leffler iwi_scan_end(struct ieee80211com *ic) 362368e8e04eSSam Leffler { 362468e8e04eSSam Leffler struct ifnet *ifp = ic->ic_ifp; 362568e8e04eSSam Leffler struct iwi_softc *sc = ifp->if_softc; 36265efea30fSAndrew Thompson IWI_LOCK_DECL; 362768e8e04eSSam Leffler 36285efea30fSAndrew Thompson IWI_LOCK(sc); 36295efea30fSAndrew Thompson sc->flags &= ~IWI_FLAG_CHANNEL_SCAN; 36305efea30fSAndrew Thompson /* NB: make sure we're still scanning */ 36315efea30fSAndrew Thompson if (sc->fw_state == IWI_FW_SCANNING) 36325efea30fSAndrew Thompson iwi_cmd(sc, IWI_CMD_ABORT_SCAN, NULL, 0); 36335efea30fSAndrew Thompson IWI_UNLOCK(sc); 363468e8e04eSSam Leffler } 3635