if_ipw.c revision 286865
1145247Sdamien/*- 2156599Sdamien * Copyright (c) 2004-2006 3145247Sdamien * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved. 4172567Sthompsa * Copyright (c) 2006 Sam Leffler, Errno Consulting 5172567Sthompsa * Copyright (c) 2007 Andrew Thompson <thompsa@FreeBSD.org> 6145247Sdamien * 7145247Sdamien * Redistribution and use in source and binary forms, with or without 8145247Sdamien * modification, are permitted provided that the following conditions 9145247Sdamien * are met: 10145247Sdamien * 1. Redistributions of source code must retain the above copyright 11145247Sdamien * notice unmodified, this list of conditions, and the following 12145247Sdamien * disclaimer. 13145247Sdamien * 2. Redistributions in binary form must reproduce the above copyright 14145247Sdamien * notice, this list of conditions and the following disclaimer in the 15145247Sdamien * documentation and/or other materials provided with the distribution. 16145247Sdamien * 17145247Sdamien * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18145247Sdamien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19145247Sdamien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20145247Sdamien * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21145247Sdamien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22145247Sdamien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23145247Sdamien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24145247Sdamien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25145247Sdamien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26145247Sdamien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27145247Sdamien * SUCH DAMAGE. 28145247Sdamien */ 29145247Sdamien 30145247Sdamien#include <sys/cdefs.h> 31145247Sdamien__FBSDID("$FreeBSD: head/sys/dev/ipw/if_ipw.c 286865 2015-08-17 23:44:38Z adrian $"); 32145247Sdamien 33145247Sdamien/*- 34145247Sdamien * Intel(R) PRO/Wireless 2100 MiniPCI driver 35145247Sdamien * http://www.intel.com/network/connectivity/products/wireless/prowireless_mobile.htm 36145247Sdamien */ 37145247Sdamien 38145247Sdamien#include <sys/param.h> 39145247Sdamien#include <sys/sysctl.h> 40145247Sdamien#include <sys/sockio.h> 41145247Sdamien#include <sys/mbuf.h> 42145247Sdamien#include <sys/kernel.h> 43145247Sdamien#include <sys/socket.h> 44145247Sdamien#include <sys/systm.h> 45145247Sdamien#include <sys/malloc.h> 46156599Sdamien#include <sys/queue.h> 47156599Sdamien#include <sys/taskqueue.h> 48145247Sdamien#include <sys/module.h> 49145247Sdamien#include <sys/bus.h> 50145247Sdamien#include <sys/endian.h> 51156599Sdamien#include <sys/linker.h> 52156599Sdamien#include <sys/firmware.h> 53145247Sdamien 54145247Sdamien#include <machine/bus.h> 55145247Sdamien#include <machine/resource.h> 56145247Sdamien#include <sys/rman.h> 57145247Sdamien 58145247Sdamien#include <dev/pci/pcireg.h> 59145247Sdamien#include <dev/pci/pcivar.h> 60145247Sdamien 61145247Sdamien#include <net/bpf.h> 62145247Sdamien#include <net/if.h> 63257176Sglebius#include <net/if_var.h> 64145247Sdamien#include <net/if_arp.h> 65145247Sdamien#include <net/ethernet.h> 66145247Sdamien#include <net/if_dl.h> 67145247Sdamien#include <net/if_media.h> 68145247Sdamien#include <net/if_types.h> 69145247Sdamien 70156599Sdamien#include <net80211/ieee80211_var.h> 71156599Sdamien#include <net80211/ieee80211_radiotap.h> 72156599Sdamien 73145247Sdamien#include <netinet/in.h> 74145247Sdamien#include <netinet/in_systm.h> 75145247Sdamien#include <netinet/in_var.h> 76145247Sdamien#include <netinet/ip.h> 77145247Sdamien#include <netinet/if_ether.h> 78145247Sdamien 79145247Sdamien#include <dev/ipw/if_ipwreg.h> 80145247Sdamien#include <dev/ipw/if_ipwvar.h> 81145247Sdamien 82172567Sthompsa#define IPW_DEBUG 83145247Sdamien#ifdef IPW_DEBUG 84145247Sdamien#define DPRINTF(x) do { if (ipw_debug > 0) printf x; } while (0) 85145247Sdamien#define DPRINTFN(n, x) do { if (ipw_debug >= (n)) printf x; } while (0) 86145247Sdamienint ipw_debug = 0; 87145247SdamienSYSCTL_INT(_debug, OID_AUTO, ipw, CTLFLAG_RW, &ipw_debug, 0, "ipw debug level"); 88145247Sdamien#else 89145247Sdamien#define DPRINTF(x) 90145247Sdamien#define DPRINTFN(n, x) 91145247Sdamien#endif 92145247Sdamien 93145247SdamienMODULE_DEPEND(ipw, pci, 1, 1, 1); 94145247SdamienMODULE_DEPEND(ipw, wlan, 1, 1, 1); 95156599SdamienMODULE_DEPEND(ipw, firmware, 1, 1, 1); 96145247Sdamien 97145247Sdamienstruct ipw_ident { 98145247Sdamien uint16_t vendor; 99145247Sdamien uint16_t device; 100145247Sdamien const char *name; 101145247Sdamien}; 102145247Sdamien 103145247Sdamienstatic const struct ipw_ident ipw_ident_table[] = { 104145247Sdamien { 0x8086, 0x1043, "Intel(R) PRO/Wireless 2100 MiniPCI" }, 105145247Sdamien 106145247Sdamien { 0, 0, NULL } 107145247Sdamien}; 108145247Sdamien 109178354Ssamstatic struct ieee80211vap *ipw_vap_create(struct ieee80211com *, 110228621Sbschmidt const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 111228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN], 112228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN]); 113178354Ssamstatic void ipw_vap_delete(struct ieee80211vap *); 114145247Sdamienstatic int ipw_dma_alloc(struct ipw_softc *); 115145247Sdamienstatic void ipw_release(struct ipw_softc *); 116145247Sdamienstatic void ipw_media_status(struct ifnet *, struct ifmediareq *); 117178354Ssamstatic int ipw_newstate(struct ieee80211vap *, enum ieee80211_state, int); 118145247Sdamienstatic uint16_t ipw_read_prom_word(struct ipw_softc *, uint8_t); 119172567Sthompsastatic void ipw_rx_cmd_intr(struct ipw_softc *, struct ipw_soft_buf *); 120172567Sthompsastatic void ipw_rx_newstate_intr(struct ipw_softc *, struct ipw_soft_buf *); 121172567Sthompsastatic void ipw_rx_data_intr(struct ipw_softc *, struct ipw_status *, 122145247Sdamien struct ipw_soft_bd *, struct ipw_soft_buf *); 123145247Sdamienstatic void ipw_rx_intr(struct ipw_softc *); 124145247Sdamienstatic void ipw_release_sbd(struct ipw_softc *, struct ipw_soft_bd *); 125145247Sdamienstatic void ipw_tx_intr(struct ipw_softc *); 126145247Sdamienstatic void ipw_intr(void *); 127145247Sdamienstatic void ipw_dma_map_addr(void *, bus_dma_segment_t *, int, int); 128172567Sthompsastatic const char * ipw_cmdname(int); 129145247Sdamienstatic int ipw_cmd(struct ipw_softc *, uint32_t, void *, uint32_t); 130286437Sadrianstatic int ipw_tx_start(struct ifnet *, struct mbuf *, 131145247Sdamien struct ieee80211_node *); 132178354Ssamstatic int ipw_raw_xmit(struct ieee80211_node *, struct mbuf *, 133178354Ssam const struct ieee80211_bpf_params *); 134286437Sadrianstatic void ipw_start(struct ifnet *); 135286437Sadrianstatic void ipw_start_locked(struct ifnet *); 136172567Sthompsastatic void ipw_watchdog(void *); 137286437Sadrianstatic int ipw_ioctl(struct ifnet *, u_long, caddr_t); 138145247Sdamienstatic void ipw_stop_master(struct ipw_softc *); 139172567Sthompsastatic int ipw_enable(struct ipw_softc *); 140172567Sthompsastatic int ipw_disable(struct ipw_softc *); 141145247Sdamienstatic int ipw_reset(struct ipw_softc *); 142156599Sdamienstatic int ipw_load_ucode(struct ipw_softc *, const char *, int); 143156599Sdamienstatic int ipw_load_firmware(struct ipw_softc *, const char *, int); 144145247Sdamienstatic int ipw_config(struct ipw_softc *); 145191746Sthompsastatic void ipw_assoc(struct ieee80211com *, struct ieee80211vap *); 146191746Sthompsastatic void ipw_disassoc(struct ieee80211com *, struct ieee80211vap *); 147156599Sdamienstatic void ipw_init_task(void *, int); 148145247Sdamienstatic void ipw_init(void *); 149178354Ssamstatic void ipw_init_locked(struct ipw_softc *); 150145247Sdamienstatic void ipw_stop(void *); 151172567Sthompsastatic void ipw_stop_locked(struct ipw_softc *); 152145247Sdamienstatic int ipw_sysctl_stats(SYSCTL_HANDLER_ARGS); 153145247Sdamienstatic int ipw_sysctl_radio(SYSCTL_HANDLER_ARGS); 154145247Sdamienstatic uint32_t ipw_read_table1(struct ipw_softc *, uint32_t); 155145247Sdamienstatic void ipw_write_table1(struct ipw_softc *, uint32_t, uint32_t); 156172567Sthompsa#if 0 157145247Sdamienstatic int ipw_read_table2(struct ipw_softc *, uint32_t, void *, 158145247Sdamien uint32_t *); 159145247Sdamienstatic void ipw_read_mem_1(struct ipw_softc *, bus_size_t, uint8_t *, 160145247Sdamien bus_size_t); 161172567Sthompsa#endif 162156599Sdamienstatic void ipw_write_mem_1(struct ipw_softc *, bus_size_t, 163156599Sdamien const uint8_t *, bus_size_t); 164172567Sthompsastatic int ipw_scan(struct ipw_softc *); 165172567Sthompsastatic void ipw_scan_start(struct ieee80211com *); 166172567Sthompsastatic void ipw_scan_end(struct ieee80211com *); 167172567Sthompsastatic void ipw_set_channel(struct ieee80211com *); 168178354Ssamstatic void ipw_scan_curchan(struct ieee80211_scan_state *, 169178354Ssam unsigned long maxdwell); 170178354Ssamstatic void ipw_scan_mindwell(struct ieee80211_scan_state *); 171145247Sdamien 172145247Sdamienstatic int ipw_probe(device_t); 173145247Sdamienstatic int ipw_attach(device_t); 174145247Sdamienstatic int ipw_detach(device_t); 175145247Sdamienstatic int ipw_shutdown(device_t); 176145247Sdamienstatic int ipw_suspend(device_t); 177145247Sdamienstatic int ipw_resume(device_t); 178145247Sdamien 179145247Sdamienstatic device_method_t ipw_methods[] = { 180145247Sdamien /* Device interface */ 181145247Sdamien DEVMETHOD(device_probe, ipw_probe), 182145247Sdamien DEVMETHOD(device_attach, ipw_attach), 183145247Sdamien DEVMETHOD(device_detach, ipw_detach), 184145247Sdamien DEVMETHOD(device_shutdown, ipw_shutdown), 185145247Sdamien DEVMETHOD(device_suspend, ipw_suspend), 186145247Sdamien DEVMETHOD(device_resume, ipw_resume), 187145247Sdamien 188260062Smarius DEVMETHOD_END 189145247Sdamien}; 190145247Sdamien 191145247Sdamienstatic driver_t ipw_driver = { 192145247Sdamien "ipw", 193145247Sdamien ipw_methods, 194145247Sdamien sizeof (struct ipw_softc) 195145247Sdamien}; 196145247Sdamien 197145247Sdamienstatic devclass_t ipw_devclass; 198145247Sdamien 199260062SmariusDRIVER_MODULE(ipw, pci, ipw_driver, ipw_devclass, NULL, NULL); 200145247Sdamien 201222543SbschmidtMODULE_VERSION(ipw, 1); 202222543Sbschmidt 203145247Sdamienstatic int 204145247Sdamienipw_probe(device_t dev) 205145247Sdamien{ 206145247Sdamien const struct ipw_ident *ident; 207145247Sdamien 208145247Sdamien for (ident = ipw_ident_table; ident->name != NULL; ident++) { 209145247Sdamien if (pci_get_vendor(dev) == ident->vendor && 210145247Sdamien pci_get_device(dev) == ident->device) { 211145247Sdamien device_set_desc(dev, ident->name); 212260062Smarius return (BUS_PROBE_DEFAULT); 213145247Sdamien } 214145247Sdamien } 215145247Sdamien return ENXIO; 216145247Sdamien} 217145247Sdamien 218145247Sdamien/* Base Address Register */ 219145247Sdamienstatic int 220145247Sdamienipw_attach(device_t dev) 221145247Sdamien{ 222145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 223286437Sadrian struct ifnet *ifp; 224286437Sadrian struct ieee80211com *ic; 225170530Ssam struct ieee80211_channel *c; 226145247Sdamien uint16_t val; 227145247Sdamien int error, i; 228286437Sadrian uint8_t macaddr[IEEE80211_ADDR_LEN]; 229145247Sdamien 230145247Sdamien sc->sc_dev = dev; 231145247Sdamien 232145247Sdamien mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 233145247Sdamien MTX_DEF | MTX_RECURSE); 234286437Sadrian 235156599Sdamien TASK_INIT(&sc->sc_init_task, 0, ipw_init_task, sc); 236172567Sthompsa callout_init_mtx(&sc->sc_wdtimer, &sc->sc_mtx, 0); 237156599Sdamien 238146498Sdamien pci_write_config(dev, 0x41, 0, 1); 239146498Sdamien 240145247Sdamien /* enable bus-mastering */ 241145247Sdamien pci_enable_busmaster(dev); 242145247Sdamien 243260062Smarius i = PCIR_BAR(0); 244260062Smarius sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &i, RF_ACTIVE); 245145247Sdamien if (sc->mem == NULL) { 246145247Sdamien device_printf(dev, "could not allocate memory resource\n"); 247145247Sdamien goto fail; 248145247Sdamien } 249145247Sdamien 250145247Sdamien sc->sc_st = rman_get_bustag(sc->mem); 251145247Sdamien sc->sc_sh = rman_get_bushandle(sc->mem); 252145247Sdamien 253260062Smarius i = 0; 254260062Smarius sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &i, 255145247Sdamien RF_ACTIVE | RF_SHAREABLE); 256145247Sdamien if (sc->irq == NULL) { 257145247Sdamien device_printf(dev, "could not allocate interrupt resource\n"); 258178354Ssam goto fail1; 259145247Sdamien } 260145247Sdamien 261145247Sdamien if (ipw_reset(sc) != 0) { 262145247Sdamien device_printf(dev, "could not reset adapter\n"); 263178354Ssam goto fail2; 264145247Sdamien } 265145247Sdamien 266145247Sdamien if (ipw_dma_alloc(sc) != 0) { 267145247Sdamien device_printf(dev, "could not allocate DMA resources\n"); 268178354Ssam goto fail2; 269145247Sdamien } 270147757Sdamien 271286437Sadrian ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 272286437Sadrian if (ifp == NULL) { 273286437Sadrian device_printf(dev, "can not if_alloc()\n"); 274286437Sadrian goto fail3; 275286437Sadrian } 276286437Sadrian ic = ifp->if_l2com; 277286437Sadrian 278286437Sadrian ifp->if_softc = sc; 279286437Sadrian if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 280286437Sadrian ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 281286437Sadrian ifp->if_init = ipw_init; 282286437Sadrian ifp->if_ioctl = ipw_ioctl; 283286437Sadrian ifp->if_start = ipw_start; 284286437Sadrian IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 285286437Sadrian ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 286286437Sadrian IFQ_SET_READY(&ifp->if_snd); 287286437Sadrian 288286437Sadrian ic->ic_ifp = ifp; 289283537Sglebius ic->ic_softc = sc; 290283527Sglebius ic->ic_name = device_get_nameunit(dev); 291178354Ssam ic->ic_opmode = IEEE80211_M_STA; 292145247Sdamien ic->ic_phytype = IEEE80211_T_DS; 293145247Sdamien 294145247Sdamien /* set device capabilities */ 295178957Ssam ic->ic_caps = 296178957Ssam IEEE80211_C_STA /* station mode supported */ 297178957Ssam | IEEE80211_C_IBSS /* IBSS mode supported */ 298172567Sthompsa | IEEE80211_C_MONITOR /* monitor mode supported */ 299172567Sthompsa | IEEE80211_C_PMGT /* power save supported */ 300172567Sthompsa | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 301172567Sthompsa | IEEE80211_C_WPA /* 802.11i supported */ 302172567Sthompsa ; 303145247Sdamien 304145247Sdamien /* read MAC address from EEPROM */ 305145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 0); 306286437Sadrian macaddr[0] = val >> 8; 307286437Sadrian macaddr[1] = val & 0xff; 308145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 1); 309286437Sadrian macaddr[2] = val >> 8; 310286437Sadrian macaddr[3] = val & 0xff; 311145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 2); 312286437Sadrian macaddr[4] = val >> 8; 313286437Sadrian macaddr[5] = val & 0xff; 314145247Sdamien 315170530Ssam /* set supported .11b channels (read from EEPROM) */ 316170530Ssam if ((val = ipw_read_prom_word(sc, IPW_EEPROM_CHANNEL_LIST)) == 0) 317170530Ssam val = 0x7ff; /* default to channels 1-11 */ 318170530Ssam val <<= 1; 319170530Ssam for (i = 1; i < 16; i++) { 320170530Ssam if (val & (1 << i)) { 321170530Ssam c = &ic->ic_channels[ic->ic_nchans++]; 322170530Ssam c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 323170530Ssam c->ic_flags = IEEE80211_CHAN_B; 324170530Ssam c->ic_ieee = i; 325170530Ssam } 326145247Sdamien } 327145247Sdamien 328145247Sdamien /* check support for radio transmitter switch in EEPROM */ 329145247Sdamien if (!(ipw_read_prom_word(sc, IPW_EEPROM_RADIO) & 8)) 330145247Sdamien sc->flags |= IPW_FLAG_HAS_RADIO_SWITCH; 331145247Sdamien 332286437Sadrian ieee80211_ifattach(ic, macaddr); 333172567Sthompsa ic->ic_scan_start = ipw_scan_start; 334172567Sthompsa ic->ic_scan_end = ipw_scan_end; 335172567Sthompsa ic->ic_set_channel = ipw_set_channel; 336172567Sthompsa ic->ic_scan_curchan = ipw_scan_curchan; 337172567Sthompsa ic->ic_scan_mindwell = ipw_scan_mindwell; 338178354Ssam ic->ic_raw_xmit = ipw_raw_xmit; 339286437Sadrian 340178354Ssam ic->ic_vap_create = ipw_vap_create; 341178354Ssam ic->ic_vap_delete = ipw_vap_delete; 342145247Sdamien 343192468Ssam ieee80211_radiotap_attach(ic, 344192468Ssam &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 345192468Ssam IPW_TX_RADIOTAP_PRESENT, 346192468Ssam &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 347192468Ssam IPW_RX_RADIOTAP_PRESENT); 348178354Ssam 349145247Sdamien /* 350145247Sdamien * Add a few sysctl knobs. 351145247Sdamien */ 352145247Sdamien SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 353145247Sdamien SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "radio", 354145247Sdamien CTLTYPE_INT | CTLFLAG_RD, sc, 0, ipw_sysctl_radio, "I", 355145247Sdamien "radio transmitter switch state (0=off, 1=on)"); 356145247Sdamien 357145247Sdamien SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 358145247Sdamien SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "stats", 359145247Sdamien CTLTYPE_OPAQUE | CTLFLAG_RD, sc, 0, ipw_sysctl_stats, "S", 360145247Sdamien "statistics"); 361145247Sdamien 362145247Sdamien /* 363145247Sdamien * Hook our interrupt after all initialization is complete. 364145247Sdamien */ 365145247Sdamien error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 366166901Spiso NULL, ipw_intr, sc, &sc->sc_ih); 367145247Sdamien if (error != 0) { 368145247Sdamien device_printf(dev, "could not set up interrupt\n"); 369286437Sadrian goto fail4; 370145247Sdamien } 371145247Sdamien 372145247Sdamien if (bootverbose) 373145247Sdamien ieee80211_announce(ic); 374145247Sdamien 375145247Sdamien return 0; 376286437Sadrianfail4: 377286437Sadrian if_free(ifp); 378178354Ssamfail3: 379178354Ssam ipw_release(sc); 380178354Ssamfail2: 381260062Smarius bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), sc->irq); 382178354Ssamfail1: 383260062Smarius bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(sc->mem), 384260062Smarius sc->mem); 385178354Ssamfail: 386178354Ssam mtx_destroy(&sc->sc_mtx); 387145247Sdamien return ENXIO; 388145247Sdamien} 389145247Sdamien 390145247Sdamienstatic int 391145247Sdamienipw_detach(device_t dev) 392145247Sdamien{ 393145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 394286437Sadrian struct ifnet *ifp = sc->sc_ifp; 395286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 396145247Sdamien 397260062Smarius bus_teardown_intr(dev, sc->irq, sc->sc_ih); 398260062Smarius 399191912Sthompsa ieee80211_draintask(ic, &sc->sc_init_task); 400145247Sdamien ipw_stop(sc); 401178354Ssam 402178354Ssam ieee80211_ifdetach(ic); 403178354Ssam 404172567Sthompsa callout_drain(&sc->sc_wdtimer); 405145247Sdamien 406145247Sdamien ipw_release(sc); 407145247Sdamien 408260062Smarius bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), sc->irq); 409145247Sdamien 410260062Smarius bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(sc->mem), 411260062Smarius sc->mem); 412156599Sdamien 413286437Sadrian if_free(ifp); 414286437Sadrian 415159487Siedowse if (sc->sc_firmware != NULL) { 416159487Siedowse firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 417159487Siedowse sc->sc_firmware = NULL; 418159487Siedowse } 419159487Siedowse 420145247Sdamien mtx_destroy(&sc->sc_mtx); 421145247Sdamien 422145247Sdamien return 0; 423145247Sdamien} 424145247Sdamien 425178354Ssamstatic struct ieee80211vap * 426228621Sbschmidtipw_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 427228621Sbschmidt enum ieee80211_opmode opmode, int flags, 428228621Sbschmidt const uint8_t bssid[IEEE80211_ADDR_LEN], 429228621Sbschmidt const uint8_t mac[IEEE80211_ADDR_LEN]) 430178354Ssam{ 431286865Sadrian struct ipw_softc *sc = ic->ic_softc; 432178354Ssam struct ipw_vap *ivp; 433178354Ssam struct ieee80211vap *vap; 434178354Ssam const struct firmware *fp; 435178354Ssam const struct ipw_firmware_hdr *hdr; 436178354Ssam const char *imagename; 437178354Ssam 438178354Ssam if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 439178354Ssam return NULL; 440178354Ssam 441178354Ssam switch (opmode) { 442178354Ssam case IEEE80211_M_STA: 443178354Ssam imagename = "ipw_bss"; 444178354Ssam break; 445178354Ssam case IEEE80211_M_IBSS: 446178354Ssam imagename = "ipw_ibss"; 447178354Ssam break; 448178354Ssam case IEEE80211_M_MONITOR: 449178354Ssam imagename = "ipw_monitor"; 450178354Ssam break; 451178354Ssam default: 452178354Ssam return NULL; 453178354Ssam } 454178354Ssam 455178354Ssam /* 456178354Ssam * Load firmware image using the firmware(9) subsystem. Doing 457178354Ssam * this unlocked is ok since we're single-threaded by the 458178354Ssam * 802.11 layer. 459178354Ssam */ 460178354Ssam if (sc->sc_firmware == NULL || 461178354Ssam strcmp(sc->sc_firmware->name, imagename) != 0) { 462178354Ssam if (sc->sc_firmware != NULL) 463178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 464178354Ssam sc->sc_firmware = firmware_get(imagename); 465178354Ssam } 466178354Ssam if (sc->sc_firmware == NULL) { 467178354Ssam device_printf(sc->sc_dev, 468178354Ssam "could not load firmware image '%s'\n", imagename); 469178354Ssam return NULL; 470178354Ssam } 471178354Ssam fp = sc->sc_firmware; 472178354Ssam if (fp->datasize < sizeof *hdr) { 473178354Ssam device_printf(sc->sc_dev, 474178354Ssam "firmware image too short %zu\n", fp->datasize); 475178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 476178354Ssam sc->sc_firmware = NULL; 477178354Ssam return NULL; 478178354Ssam } 479178354Ssam hdr = (const struct ipw_firmware_hdr *)fp->data; 480178354Ssam if (fp->datasize < sizeof *hdr + le32toh(hdr->mainsz) + 481178354Ssam le32toh(hdr->ucodesz)) { 482178354Ssam device_printf(sc->sc_dev, 483178354Ssam "firmware image too short %zu\n", fp->datasize); 484178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 485178354Ssam sc->sc_firmware = NULL; 486178354Ssam return NULL; 487178354Ssam } 488178354Ssam 489286437Sadrian ivp = (struct ipw_vap *) malloc(sizeof(struct ipw_vap), 490286437Sadrian M_80211_VAP, M_NOWAIT | M_ZERO); 491286437Sadrian if (ivp == NULL) 492286437Sadrian return NULL; 493178354Ssam vap = &ivp->vap; 494178354Ssam 495286437Sadrian ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 496178354Ssam /* override with driver methods */ 497178354Ssam ivp->newstate = vap->iv_newstate; 498178354Ssam vap->iv_newstate = ipw_newstate; 499178354Ssam 500178354Ssam /* complete setup */ 501286437Sadrian ieee80211_vap_attach(vap, ieee80211_media_change, ipw_media_status); 502178354Ssam ic->ic_opmode = opmode; 503178354Ssam return vap; 504178354Ssam} 505178354Ssam 506178354Ssamstatic void 507178354Ssamipw_vap_delete(struct ieee80211vap *vap) 508178354Ssam{ 509178354Ssam struct ipw_vap *ivp = IPW_VAP(vap); 510178354Ssam 511178354Ssam ieee80211_vap_detach(vap); 512178354Ssam free(ivp, M_80211_VAP); 513178354Ssam} 514178354Ssam 515145247Sdamienstatic int 516145247Sdamienipw_dma_alloc(struct ipw_softc *sc) 517145247Sdamien{ 518145247Sdamien struct ipw_soft_bd *sbd; 519145247Sdamien struct ipw_soft_hdr *shdr; 520145247Sdamien struct ipw_soft_buf *sbuf; 521145247Sdamien bus_addr_t physaddr; 522145247Sdamien int error, i; 523145247Sdamien 524145247Sdamien /* 525232874Sscottl * Allocate parent DMA tag for subsequent allocations. 526232874Sscottl */ 527232874Sscottl error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 528232874Sscottl BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 529232874Sscottl BUS_SPACE_MAXSIZE_32BIT, BUS_SPACE_UNRESTRICTED, 530232874Sscottl BUS_SPACE_MAXSIZE_32BIT, 0, NULL, NULL, &sc->parent_dmat); 531232874Sscottl if (error != 0) { 532232874Sscottl device_printf(sc->sc_dev, "could not create parent DMA tag\n"); 533232874Sscottl goto fail; 534232874Sscottl } 535232874Sscottl 536232874Sscottl /* 537145247Sdamien * Allocate and map tx ring. 538145247Sdamien */ 539232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 4, 0, BUS_SPACE_MAXADDR_32BIT, 540145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_TBD_SZ, 1, IPW_TBD_SZ, 0, NULL, 541145247Sdamien NULL, &sc->tbd_dmat); 542145247Sdamien if (error != 0) { 543145247Sdamien device_printf(sc->sc_dev, "could not create tx ring DMA tag\n"); 544145247Sdamien goto fail; 545145247Sdamien } 546145247Sdamien 547145247Sdamien error = bus_dmamem_alloc(sc->tbd_dmat, (void **)&sc->tbd_list, 548145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->tbd_map); 549145247Sdamien if (error != 0) { 550145247Sdamien device_printf(sc->sc_dev, 551145247Sdamien "could not allocate tx ring DMA memory\n"); 552145247Sdamien goto fail; 553145247Sdamien } 554145247Sdamien 555145247Sdamien error = bus_dmamap_load(sc->tbd_dmat, sc->tbd_map, sc->tbd_list, 556145247Sdamien IPW_TBD_SZ, ipw_dma_map_addr, &sc->tbd_phys, 0); 557145247Sdamien if (error != 0) { 558145247Sdamien device_printf(sc->sc_dev, "could not map tx ring DMA memory\n"); 559145247Sdamien goto fail; 560145247Sdamien } 561145247Sdamien 562145247Sdamien /* 563145247Sdamien * Allocate and map rx ring. 564145247Sdamien */ 565232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 4, 0, BUS_SPACE_MAXADDR_32BIT, 566145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_RBD_SZ, 1, IPW_RBD_SZ, 0, NULL, 567145247Sdamien NULL, &sc->rbd_dmat); 568145247Sdamien if (error != 0) { 569145247Sdamien device_printf(sc->sc_dev, "could not create rx ring DMA tag\n"); 570145247Sdamien goto fail; 571145247Sdamien } 572145247Sdamien 573145247Sdamien error = bus_dmamem_alloc(sc->rbd_dmat, (void **)&sc->rbd_list, 574145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->rbd_map); 575145247Sdamien if (error != 0) { 576145247Sdamien device_printf(sc->sc_dev, 577145247Sdamien "could not allocate rx ring DMA memory\n"); 578145247Sdamien goto fail; 579145247Sdamien } 580145247Sdamien 581145247Sdamien error = bus_dmamap_load(sc->rbd_dmat, sc->rbd_map, sc->rbd_list, 582145247Sdamien IPW_RBD_SZ, ipw_dma_map_addr, &sc->rbd_phys, 0); 583145247Sdamien if (error != 0) { 584145247Sdamien device_printf(sc->sc_dev, "could not map rx ring DMA memory\n"); 585145247Sdamien goto fail; 586145247Sdamien } 587145247Sdamien 588145247Sdamien /* 589145247Sdamien * Allocate and map status ring. 590145247Sdamien */ 591232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 4, 0, BUS_SPACE_MAXADDR_32BIT, 592145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_STATUS_SZ, 1, IPW_STATUS_SZ, 0, 593145247Sdamien NULL, NULL, &sc->status_dmat); 594145247Sdamien if (error != 0) { 595145247Sdamien device_printf(sc->sc_dev, 596145247Sdamien "could not create status ring DMA tag\n"); 597145247Sdamien goto fail; 598145247Sdamien } 599145247Sdamien 600145247Sdamien error = bus_dmamem_alloc(sc->status_dmat, (void **)&sc->status_list, 601145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->status_map); 602145247Sdamien if (error != 0) { 603145247Sdamien device_printf(sc->sc_dev, 604145247Sdamien "could not allocate status ring DMA memory\n"); 605145247Sdamien goto fail; 606145247Sdamien } 607145247Sdamien 608145247Sdamien error = bus_dmamap_load(sc->status_dmat, sc->status_map, 609145247Sdamien sc->status_list, IPW_STATUS_SZ, ipw_dma_map_addr, &sc->status_phys, 610145247Sdamien 0); 611145247Sdamien if (error != 0) { 612145247Sdamien device_printf(sc->sc_dev, 613145247Sdamien "could not map status ring DMA memory\n"); 614145247Sdamien goto fail; 615145247Sdamien } 616145247Sdamien 617145247Sdamien /* 618145247Sdamien * Allocate command DMA map. 619145247Sdamien */ 620232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 1, 0, BUS_SPACE_MAXADDR_32BIT, 621145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, sizeof (struct ipw_cmd), 1, 622145247Sdamien sizeof (struct ipw_cmd), 0, NULL, NULL, &sc->cmd_dmat); 623145247Sdamien if (error != 0) { 624145247Sdamien device_printf(sc->sc_dev, "could not create command DMA tag\n"); 625145247Sdamien goto fail; 626145247Sdamien } 627145247Sdamien 628145247Sdamien error = bus_dmamap_create(sc->cmd_dmat, 0, &sc->cmd_map); 629145247Sdamien if (error != 0) { 630145247Sdamien device_printf(sc->sc_dev, 631145247Sdamien "could not create command DMA map\n"); 632145247Sdamien goto fail; 633145247Sdamien } 634145247Sdamien 635145247Sdamien /* 636145247Sdamien * Allocate headers DMA maps. 637145247Sdamien */ 638232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 1, 0, BUS_SPACE_MAXADDR_32BIT, 639145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, sizeof (struct ipw_hdr), 1, 640145247Sdamien sizeof (struct ipw_hdr), 0, NULL, NULL, &sc->hdr_dmat); 641145247Sdamien if (error != 0) { 642145247Sdamien device_printf(sc->sc_dev, "could not create header DMA tag\n"); 643145247Sdamien goto fail; 644145247Sdamien } 645145247Sdamien 646145247Sdamien SLIST_INIT(&sc->free_shdr); 647145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 648145247Sdamien shdr = &sc->shdr_list[i]; 649145247Sdamien error = bus_dmamap_create(sc->hdr_dmat, 0, &shdr->map); 650145247Sdamien if (error != 0) { 651145247Sdamien device_printf(sc->sc_dev, 652145247Sdamien "could not create header DMA map\n"); 653145247Sdamien goto fail; 654145247Sdamien } 655145247Sdamien SLIST_INSERT_HEAD(&sc->free_shdr, shdr, next); 656145247Sdamien } 657145247Sdamien 658145247Sdamien /* 659145247Sdamien * Allocate tx buffers DMA maps. 660145247Sdamien */ 661232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 1, 0, BUS_SPACE_MAXADDR_32BIT, 662145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, IPW_MAX_NSEG, MCLBYTES, 0, 663145247Sdamien NULL, NULL, &sc->txbuf_dmat); 664145247Sdamien if (error != 0) { 665145247Sdamien device_printf(sc->sc_dev, "could not create tx DMA tag\n"); 666145247Sdamien goto fail; 667145247Sdamien } 668145247Sdamien 669145247Sdamien SLIST_INIT(&sc->free_sbuf); 670145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 671145247Sdamien sbuf = &sc->tx_sbuf_list[i]; 672145247Sdamien error = bus_dmamap_create(sc->txbuf_dmat, 0, &sbuf->map); 673145247Sdamien if (error != 0) { 674145247Sdamien device_printf(sc->sc_dev, 675145247Sdamien "could not create tx DMA map\n"); 676145247Sdamien goto fail; 677145247Sdamien } 678145247Sdamien SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next); 679145247Sdamien } 680145247Sdamien 681145247Sdamien /* 682145247Sdamien * Initialize tx ring. 683145247Sdamien */ 684145247Sdamien for (i = 0; i < IPW_NTBD; i++) { 685145247Sdamien sbd = &sc->stbd_list[i]; 686145247Sdamien sbd->bd = &sc->tbd_list[i]; 687145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 688145247Sdamien } 689145247Sdamien 690145247Sdamien /* 691145247Sdamien * Pre-allocate rx buffers and DMA maps. 692145247Sdamien */ 693232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 1, 0, BUS_SPACE_MAXADDR_32BIT, 694147841Sdamien BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1, MCLBYTES, 0, NULL, 695147841Sdamien NULL, &sc->rxbuf_dmat); 696145247Sdamien if (error != 0) { 697145247Sdamien device_printf(sc->sc_dev, "could not create rx DMA tag\n"); 698145247Sdamien goto fail; 699145247Sdamien } 700145247Sdamien 701145247Sdamien for (i = 0; i < IPW_NRBD; i++) { 702145247Sdamien sbd = &sc->srbd_list[i]; 703145247Sdamien sbuf = &sc->rx_sbuf_list[i]; 704145247Sdamien sbd->bd = &sc->rbd_list[i]; 705145247Sdamien 706243857Sglebius sbuf->m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 707145247Sdamien if (sbuf->m == NULL) { 708145247Sdamien device_printf(sc->sc_dev, 709145247Sdamien "could not allocate rx mbuf\n"); 710145247Sdamien error = ENOMEM; 711145247Sdamien goto fail; 712145247Sdamien } 713145247Sdamien 714145247Sdamien error = bus_dmamap_create(sc->rxbuf_dmat, 0, &sbuf->map); 715145247Sdamien if (error != 0) { 716145247Sdamien device_printf(sc->sc_dev, 717145247Sdamien "could not create rx DMA map\n"); 718145247Sdamien goto fail; 719145247Sdamien } 720145247Sdamien 721145247Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, 722145247Sdamien mtod(sbuf->m, void *), MCLBYTES, ipw_dma_map_addr, 723145247Sdamien &physaddr, 0); 724145247Sdamien if (error != 0) { 725145247Sdamien device_printf(sc->sc_dev, 726145247Sdamien "could not map rx DMA memory\n"); 727145247Sdamien goto fail; 728145247Sdamien } 729145247Sdamien 730145247Sdamien sbd->type = IPW_SBD_TYPE_DATA; 731145247Sdamien sbd->priv = sbuf; 732145247Sdamien sbd->bd->physaddr = htole32(physaddr); 733145247Sdamien sbd->bd->len = htole32(MCLBYTES); 734145247Sdamien } 735145247Sdamien 736145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 737145247Sdamien 738145247Sdamien return 0; 739145247Sdamien 740145247Sdamienfail: ipw_release(sc); 741145247Sdamien return error; 742145247Sdamien} 743145247Sdamien 744145247Sdamienstatic void 745145247Sdamienipw_release(struct ipw_softc *sc) 746145247Sdamien{ 747145247Sdamien struct ipw_soft_buf *sbuf; 748145247Sdamien int i; 749145247Sdamien 750232874Sscottl if (sc->parent_dmat != NULL) { 751232874Sscottl bus_dma_tag_destroy(sc->parent_dmat); 752232874Sscottl } 753232874Sscottl 754145247Sdamien if (sc->tbd_dmat != NULL) { 755283528Sglebius bus_dmamap_unload(sc->tbd_dmat, sc->tbd_map); 756283528Sglebius bus_dmamem_free(sc->tbd_dmat, sc->tbd_list, sc->tbd_map); 757145247Sdamien bus_dma_tag_destroy(sc->tbd_dmat); 758145247Sdamien } 759145247Sdamien 760145247Sdamien if (sc->rbd_dmat != NULL) { 761145247Sdamien if (sc->rbd_list != NULL) { 762145247Sdamien bus_dmamap_unload(sc->rbd_dmat, sc->rbd_map); 763145247Sdamien bus_dmamem_free(sc->rbd_dmat, sc->rbd_list, 764145247Sdamien sc->rbd_map); 765145247Sdamien } 766145247Sdamien bus_dma_tag_destroy(sc->rbd_dmat); 767145247Sdamien } 768145247Sdamien 769145247Sdamien if (sc->status_dmat != NULL) { 770145247Sdamien if (sc->status_list != NULL) { 771145247Sdamien bus_dmamap_unload(sc->status_dmat, sc->status_map); 772145247Sdamien bus_dmamem_free(sc->status_dmat, sc->status_list, 773145247Sdamien sc->status_map); 774145247Sdamien } 775145247Sdamien bus_dma_tag_destroy(sc->status_dmat); 776145247Sdamien } 777145247Sdamien 778145247Sdamien for (i = 0; i < IPW_NTBD; i++) 779145247Sdamien ipw_release_sbd(sc, &sc->stbd_list[i]); 780145247Sdamien 781145247Sdamien if (sc->cmd_dmat != NULL) { 782145247Sdamien bus_dmamap_destroy(sc->cmd_dmat, sc->cmd_map); 783145247Sdamien bus_dma_tag_destroy(sc->cmd_dmat); 784145247Sdamien } 785145247Sdamien 786145247Sdamien if (sc->hdr_dmat != NULL) { 787145247Sdamien for (i = 0; i < IPW_NDATA; i++) 788145247Sdamien bus_dmamap_destroy(sc->hdr_dmat, sc->shdr_list[i].map); 789145247Sdamien bus_dma_tag_destroy(sc->hdr_dmat); 790145247Sdamien } 791145247Sdamien 792145247Sdamien if (sc->txbuf_dmat != NULL) { 793145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 794145247Sdamien bus_dmamap_destroy(sc->txbuf_dmat, 795145247Sdamien sc->tx_sbuf_list[i].map); 796145247Sdamien } 797145247Sdamien bus_dma_tag_destroy(sc->txbuf_dmat); 798145247Sdamien } 799145247Sdamien 800145247Sdamien if (sc->rxbuf_dmat != NULL) { 801145247Sdamien for (i = 0; i < IPW_NRBD; i++) { 802145247Sdamien sbuf = &sc->rx_sbuf_list[i]; 803145247Sdamien if (sbuf->m != NULL) { 804145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, 805145247Sdamien BUS_DMASYNC_POSTREAD); 806145247Sdamien bus_dmamap_unload(sc->rxbuf_dmat, sbuf->map); 807145247Sdamien m_freem(sbuf->m); 808145247Sdamien } 809145247Sdamien bus_dmamap_destroy(sc->rxbuf_dmat, sbuf->map); 810145247Sdamien } 811145247Sdamien bus_dma_tag_destroy(sc->rxbuf_dmat); 812145247Sdamien } 813145247Sdamien} 814145247Sdamien 815145247Sdamienstatic int 816145247Sdamienipw_shutdown(device_t dev) 817145247Sdamien{ 818145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 819145247Sdamien 820145247Sdamien ipw_stop(sc); 821145247Sdamien 822145247Sdamien return 0; 823145247Sdamien} 824145247Sdamien 825145247Sdamienstatic int 826145247Sdamienipw_suspend(device_t dev) 827145247Sdamien{ 828145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 829286437Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 830145247Sdamien 831233387Sbschmidt ieee80211_suspend_all(ic); 832145247Sdamien return 0; 833145247Sdamien} 834145247Sdamien 835145247Sdamienstatic int 836145247Sdamienipw_resume(device_t dev) 837145247Sdamien{ 838145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 839286437Sadrian struct ieee80211com *ic = sc->sc_ifp->if_l2com; 840145247Sdamien 841146498Sdamien pci_write_config(dev, 0x41, 0, 1); 842146498Sdamien 843233387Sbschmidt ieee80211_resume_all(ic); 844145247Sdamien return 0; 845145247Sdamien} 846145247Sdamien 847145247Sdamienstatic int 848172567Sthompsaipw_cvtrate(int ipwrate) 849172567Sthompsa{ 850172567Sthompsa switch (ipwrate) { 851172567Sthompsa case IPW_RATE_DS1: return 2; 852172567Sthompsa case IPW_RATE_DS2: return 4; 853172567Sthompsa case IPW_RATE_DS5: return 11; 854172567Sthompsa case IPW_RATE_DS11: return 22; 855172567Sthompsa } 856145247Sdamien return 0; 857145247Sdamien} 858145247Sdamien 859145247Sdamien/* 860156599Sdamien * The firmware automatically adapts the transmit speed. We report its current 861156599Sdamien * value here. 862145247Sdamien */ 863145247Sdamienstatic void 864145247Sdamienipw_media_status(struct ifnet *ifp, struct ifmediareq *imr) 865145247Sdamien{ 866178354Ssam struct ieee80211vap *vap = ifp->if_softc; 867178354Ssam struct ieee80211com *ic = vap->iv_ic; 868286865Sadrian struct ipw_softc *sc = ic->ic_softc; 869145247Sdamien 870145247Sdamien /* read current transmission rate from adapter */ 871178354Ssam vap->iv_bss->ni_txrate = ipw_cvtrate( 872178354Ssam ipw_read_table1(sc, IPW_INFO_CURRENT_TX_RATE) & 0xf); 873178354Ssam ieee80211_media_status(ifp, imr); 874145247Sdamien} 875145247Sdamien 876145247Sdamienstatic int 877178354Ssamipw_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 878145247Sdamien{ 879178354Ssam struct ipw_vap *ivp = IPW_VAP(vap); 880178354Ssam struct ieee80211com *ic = vap->iv_ic; 881286865Sadrian struct ipw_softc *sc = ic->ic_softc; 882191746Sthompsa enum ieee80211_state ostate; 883145247Sdamien 884172567Sthompsa DPRINTF(("%s: %s -> %s flags 0x%x\n", __func__, 885178354Ssam ieee80211_state_name[vap->iv_state], 886172567Sthompsa ieee80211_state_name[nstate], sc->flags)); 887172567Sthompsa 888191746Sthompsa ostate = vap->iv_state; 889191746Sthompsa IEEE80211_UNLOCK(ic); 890191746Sthompsa 891145247Sdamien switch (nstate) { 892145247Sdamien case IEEE80211_S_RUN: 893172567Sthompsa if (ic->ic_opmode == IEEE80211_M_IBSS) { 894172567Sthompsa /* 895172567Sthompsa * XXX when joining an ibss network we are called 896172567Sthompsa * with a SCAN -> RUN transition on scan complete. 897206763Sbschmidt * Use that to call ipw_assoc. On completing the 898206763Sbschmidt * join we are then called again with an AUTH -> RUN 899206763Sbschmidt * transition and we want to do nothing. This is 900206763Sbschmidt * all totally bogus and needs to be redone. 901172567Sthompsa */ 902191746Sthompsa if (ostate == IEEE80211_S_SCAN) 903191746Sthompsa ipw_assoc(ic, vap); 904172567Sthompsa } 905172567Sthompsa break; 906145247Sdamien 907172567Sthompsa case IEEE80211_S_INIT: 908172567Sthompsa if (sc->flags & IPW_FLAG_ASSOCIATED) 909191746Sthompsa ipw_disassoc(ic, vap); 910172567Sthompsa break; 911145247Sdamien 912172567Sthompsa case IEEE80211_S_AUTH: 913206765Sbschmidt /* 914206765Sbschmidt * Move to ASSOC state after the ipw_assoc() call. Firmware 915206765Sbschmidt * takes care of authentication, after the call we'll receive 916206765Sbschmidt * only an assoc response which would otherwise be discared 917206765Sbschmidt * if we are still in AUTH state. 918206765Sbschmidt */ 919206765Sbschmidt nstate = IEEE80211_S_ASSOC; 920191746Sthompsa ipw_assoc(ic, vap); 921191746Sthompsa break; 922145247Sdamien 923172567Sthompsa case IEEE80211_S_ASSOC: 924172567Sthompsa /* 925206763Sbschmidt * If we are not transitioning from AUTH then resend the 926172567Sthompsa * association request. 927172567Sthompsa */ 928191746Sthompsa if (ostate != IEEE80211_S_AUTH) 929191746Sthompsa ipw_assoc(ic, vap); 930145247Sdamien break; 931145247Sdamien 932172058Ssam default: 933145247Sdamien break; 934145247Sdamien } 935191746Sthompsa IEEE80211_LOCK(ic); 936178354Ssam return ivp->newstate(vap, nstate, arg); 937145247Sdamien} 938145247Sdamien 939145247Sdamien/* 940145247Sdamien * Read 16 bits at address 'addr' from the serial EEPROM. 941145247Sdamien */ 942145247Sdamienstatic uint16_t 943145247Sdamienipw_read_prom_word(struct ipw_softc *sc, uint8_t addr) 944145247Sdamien{ 945145247Sdamien uint32_t tmp; 946145247Sdamien uint16_t val; 947145247Sdamien int n; 948145247Sdamien 949145247Sdamien /* clock C once before the first command */ 950145247Sdamien IPW_EEPROM_CTL(sc, 0); 951145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 952145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 953145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 954145247Sdamien 955145247Sdamien /* write start bit (1) */ 956145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D); 957145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C); 958145247Sdamien 959145247Sdamien /* write READ opcode (10) */ 960145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D); 961145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C); 962145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 963145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 964145247Sdamien 965145247Sdamien /* write address A7-A0 */ 966145247Sdamien for (n = 7; n >= 0; n--) { 967145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | 968145247Sdamien (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D)); 969145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | 970145247Sdamien (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D) | IPW_EEPROM_C); 971145247Sdamien } 972145247Sdamien 973145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 974145247Sdamien 975145247Sdamien /* read data Q15-Q0 */ 976145247Sdamien val = 0; 977145247Sdamien for (n = 15; n >= 0; n--) { 978145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 979145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 980145247Sdamien tmp = MEM_READ_4(sc, IPW_MEM_EEPROM_CTL); 981145247Sdamien val |= ((tmp & IPW_EEPROM_Q) >> IPW_EEPROM_SHIFT_Q) << n; 982145247Sdamien } 983145247Sdamien 984145247Sdamien IPW_EEPROM_CTL(sc, 0); 985145247Sdamien 986145247Sdamien /* clear Chip Select and clock C */ 987145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 988145247Sdamien IPW_EEPROM_CTL(sc, 0); 989145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_C); 990145247Sdamien 991145247Sdamien return le16toh(val); 992145247Sdamien} 993145247Sdamien 994145247Sdamienstatic void 995172567Sthompsaipw_rx_cmd_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf) 996145247Sdamien{ 997145247Sdamien struct ipw_cmd *cmd; 998145247Sdamien 999145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 1000145247Sdamien 1001145247Sdamien cmd = mtod(sbuf->m, struct ipw_cmd *); 1002145247Sdamien 1003172567Sthompsa DPRINTFN(9, ("cmd ack'ed %s(%u, %u, %u, %u, %u)\n", 1004172567Sthompsa ipw_cmdname(le32toh(cmd->type)), le32toh(cmd->type), 1005145247Sdamien le32toh(cmd->subtype), le32toh(cmd->seq), le32toh(cmd->len), 1006145247Sdamien le32toh(cmd->status))); 1007145247Sdamien 1008172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 1009145247Sdamien wakeup(sc); 1010145247Sdamien} 1011145247Sdamien 1012145247Sdamienstatic void 1013172567Sthompsaipw_rx_newstate_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf) 1014145247Sdamien{ 1015178354Ssam#define IEEESTATE(vap) ieee80211_state_name[vap->iv_state] 1016286437Sadrian struct ifnet *ifp = sc->sc_ifp; 1017286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 1018178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1019145247Sdamien uint32_t state; 1020145247Sdamien 1021145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 1022145247Sdamien 1023145247Sdamien state = le32toh(*mtod(sbuf->m, uint32_t *)); 1024145247Sdamien 1025145247Sdamien switch (state) { 1026145247Sdamien case IPW_STATE_ASSOCIATED: 1027172567Sthompsa DPRINTFN(2, ("Association succeeded (%s flags 0x%x)\n", 1028178354Ssam IEEESTATE(vap), sc->flags)); 1029178354Ssam /* XXX suppress state change in case the fw auto-associates */ 1030178354Ssam if ((sc->flags & IPW_FLAG_ASSOCIATING) == 0) { 1031178354Ssam DPRINTF(("Unexpected association (%s, flags 0x%x)\n", 1032178354Ssam IEEESTATE(vap), sc->flags)); 1033178354Ssam break; 1034178354Ssam } 1035178354Ssam sc->flags &= ~IPW_FLAG_ASSOCIATING; 1036172567Sthompsa sc->flags |= IPW_FLAG_ASSOCIATED; 1037145247Sdamien break; 1038145247Sdamien 1039145247Sdamien case IPW_STATE_SCANNING: 1040172567Sthompsa DPRINTFN(3, ("Scanning (%s flags 0x%x)\n", 1041178354Ssam IEEESTATE(vap), sc->flags)); 1042172567Sthompsa /* 1043172567Sthompsa * NB: Check driver state for association on assoc 1044172567Sthompsa * loss as the firmware will immediately start to 1045172567Sthompsa * scan and we would treat it as a beacon miss if 1046172567Sthompsa * we checked the 802.11 layer state. 1047172567Sthompsa */ 1048178354Ssam if (sc->flags & IPW_FLAG_ASSOCIATED) { 1049206767Sbschmidt IPW_UNLOCK(sc); 1050178354Ssam /* XXX probably need to issue disassoc to fw */ 1051191746Sthompsa ieee80211_beacon_miss(ic); 1052206767Sbschmidt IPW_LOCK(sc); 1053178354Ssam } 1054145247Sdamien break; 1055145247Sdamien 1056145247Sdamien case IPW_STATE_SCAN_COMPLETE: 1057172567Sthompsa /* 1058172567Sthompsa * XXX For some reason scan requests generate scan 1059172567Sthompsa * started + scan done events before any traffic is 1060172567Sthompsa * received (e.g. probe response frames). We work 1061172567Sthompsa * around this by marking the HACK flag and skipping 1062172567Sthompsa * the first scan complete event. 1063172567Sthompsa */ 1064178354Ssam DPRINTFN(3, ("Scan complete (%s flags 0x%x)\n", 1065178354Ssam IEEESTATE(vap), sc->flags)); 1066172567Sthompsa if (sc->flags & IPW_FLAG_HACK) { 1067172567Sthompsa sc->flags &= ~IPW_FLAG_HACK; 1068172567Sthompsa break; 1069172567Sthompsa } 1070172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) { 1071206767Sbschmidt IPW_UNLOCK(sc); 1072191746Sthompsa ieee80211_scan_done(vap); 1073206767Sbschmidt IPW_LOCK(sc); 1074172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 1075172567Sthompsa sc->sc_scan_timer = 0; 1076172567Sthompsa } 1077145247Sdamien break; 1078145247Sdamien 1079145247Sdamien case IPW_STATE_ASSOCIATION_LOST: 1080172567Sthompsa DPRINTFN(2, ("Association lost (%s flags 0x%x)\n", 1081178354Ssam IEEESTATE(vap), sc->flags)); 1082178354Ssam sc->flags &= ~(IPW_FLAG_ASSOCIATING | IPW_FLAG_ASSOCIATED); 1083206767Sbschmidt if (vap->iv_state == IEEE80211_S_RUN) { 1084206767Sbschmidt IPW_UNLOCK(sc); 1085191746Sthompsa ieee80211_new_state(vap, IEEE80211_S_SCAN, -1); 1086206767Sbschmidt IPW_LOCK(sc); 1087206767Sbschmidt } 1088145247Sdamien break; 1089145247Sdamien 1090172567Sthompsa case IPW_STATE_DISABLED: 1091178354Ssam /* XXX? is this right? */ 1092206763Sbschmidt sc->flags &= ~(IPW_FLAG_HACK | IPW_FLAG_SCANNING | 1093178354Ssam IPW_FLAG_ASSOCIATING | IPW_FLAG_ASSOCIATED); 1094172567Sthompsa DPRINTFN(2, ("Firmware disabled (%s flags 0x%x)\n", 1095178354Ssam IEEESTATE(vap), sc->flags)); 1096172567Sthompsa break; 1097172567Sthompsa 1098145247Sdamien case IPW_STATE_RADIO_DISABLED: 1099178354Ssam device_printf(sc->sc_dev, "radio turned off\n"); 1100178354Ssam ieee80211_notify_radio(ic, 0); 1101172567Sthompsa ipw_stop_locked(sc); 1102178354Ssam /* XXX start polling thread to detect radio on */ 1103145247Sdamien break; 1104172567Sthompsa 1105172567Sthompsa default: 1106172567Sthompsa DPRINTFN(2, ("%s: unhandled state %u %s flags 0x%x\n", 1107178354Ssam __func__, state, IEEESTATE(vap), sc->flags)); 1108172567Sthompsa break; 1109145247Sdamien } 1110172567Sthompsa#undef IEEESTATE 1111145247Sdamien} 1112145247Sdamien 1113145247Sdamien/* 1114172567Sthompsa * Set driver state for current channel. 1115172567Sthompsa */ 1116172567Sthompsastatic void 1117172567Sthompsaipw_setcurchan(struct ipw_softc *sc, struct ieee80211_channel *chan) 1118172567Sthompsa{ 1119286437Sadrian struct ifnet *ifp = sc->sc_ifp; 1120286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 1121172567Sthompsa 1122172567Sthompsa ic->ic_curchan = chan; 1123192468Ssam ieee80211_radiotap_chan_change(ic); 1124172567Sthompsa} 1125172567Sthompsa 1126172567Sthompsa/* 1127145247Sdamien * XXX: Hack to set the current channel to the value advertised in beacons or 1128145247Sdamien * probe responses. Only used during AP detection. 1129145247Sdamien */ 1130145247Sdamienstatic void 1131172567Sthompsaipw_fix_channel(struct ipw_softc *sc, struct mbuf *m) 1132145247Sdamien{ 1133286437Sadrian struct ifnet *ifp = sc->sc_ifp; 1134286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 1135172567Sthompsa struct ieee80211_channel *c; 1136145247Sdamien struct ieee80211_frame *wh; 1137145247Sdamien uint8_t subtype; 1138145247Sdamien uint8_t *frm, *efrm; 1139145247Sdamien 1140145247Sdamien wh = mtod(m, struct ieee80211_frame *); 1141145247Sdamien 1142145247Sdamien if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 1143145247Sdamien return; 1144145247Sdamien 1145145247Sdamien subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 1146145247Sdamien 1147145247Sdamien if (subtype != IEEE80211_FC0_SUBTYPE_BEACON && 1148145247Sdamien subtype != IEEE80211_FC0_SUBTYPE_PROBE_RESP) 1149145247Sdamien return; 1150145247Sdamien 1151178354Ssam /* XXX use ieee80211_parse_beacon */ 1152145247Sdamien frm = (uint8_t *)(wh + 1); 1153145247Sdamien efrm = mtod(m, uint8_t *) + m->m_len; 1154145247Sdamien 1155145247Sdamien frm += 12; /* skip tstamp, bintval and capinfo fields */ 1156145247Sdamien while (frm < efrm) { 1157145247Sdamien if (*frm == IEEE80211_ELEMID_DSPARMS) 1158145247Sdamien#if IEEE80211_CHAN_MAX < 255 1159145247Sdamien if (frm[2] <= IEEE80211_CHAN_MAX) 1160145247Sdamien#endif 1161172567Sthompsa { 1162172567Sthompsa DPRINTF(("Fixing channel to %d\n", frm[2])); 1163172567Sthompsa c = ieee80211_find_channel(ic, 1164170530Ssam ieee80211_ieee2mhz(frm[2], 0), 1165172567Sthompsa IEEE80211_CHAN_B); 1166172567Sthompsa if (c == NULL) 1167172567Sthompsa c = &ic->ic_channels[0]; 1168172567Sthompsa ipw_setcurchan(sc, c); 1169172567Sthompsa } 1170145247Sdamien 1171145247Sdamien frm += frm[1] + 2; 1172145247Sdamien } 1173145247Sdamien} 1174145247Sdamien 1175145247Sdamienstatic void 1176172567Sthompsaipw_rx_data_intr(struct ipw_softc *sc, struct ipw_status *status, 1177145247Sdamien struct ipw_soft_bd *sbd, struct ipw_soft_buf *sbuf) 1178145247Sdamien{ 1179286437Sadrian struct ifnet *ifp = sc->sc_ifp; 1180286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 1181152385Sdamien struct mbuf *mnew, *m; 1182145247Sdamien struct ieee80211_node *ni; 1183145247Sdamien bus_addr_t physaddr; 1184145247Sdamien int error; 1185192468Ssam int8_t rssi, nf; 1186145247Sdamien 1187152385Sdamien DPRINTFN(5, ("received frame len=%u, rssi=%u\n", le32toh(status->len), 1188152385Sdamien status->rssi)); 1189152385Sdamien 1190147757Sdamien if (le32toh(status->len) < sizeof (struct ieee80211_frame_min) || 1191147757Sdamien le32toh(status->len) > MCLBYTES) 1192147757Sdamien return; 1193147757Sdamien 1194152385Sdamien /* 1195152385Sdamien * Try to allocate a new mbuf for this ring element and load it before 1196152385Sdamien * processing the current mbuf. If the ring element cannot be loaded, 1197152385Sdamien * drop the received packet and reuse the old mbuf. In the unlikely 1198152385Sdamien * case that the old mbuf can't be reloaded either, explicitly panic. 1199152385Sdamien */ 1200243857Sglebius mnew = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1201152385Sdamien if (mnew == NULL) { 1202286437Sadrian if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1203152385Sdamien return; 1204152385Sdamien } 1205152385Sdamien 1206145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 1207145247Sdamien bus_dmamap_unload(sc->rxbuf_dmat, sbuf->map); 1208145247Sdamien 1209152385Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, mtod(mnew, void *), 1210152385Sdamien MCLBYTES, ipw_dma_map_addr, &physaddr, 0); 1211152385Sdamien if (error != 0) { 1212152385Sdamien m_freem(mnew); 1213152385Sdamien 1214152385Sdamien /* try to reload the old mbuf */ 1215152385Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, 1216152385Sdamien mtod(sbuf->m, void *), MCLBYTES, ipw_dma_map_addr, 1217152385Sdamien &physaddr, 0); 1218152385Sdamien if (error != 0) { 1219152385Sdamien /* very unlikely that it will fail... */ 1220152385Sdamien panic("%s: could not load old rx mbuf", 1221152385Sdamien device_get_name(sc->sc_dev)); 1222152385Sdamien } 1223286437Sadrian if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1224152385Sdamien return; 1225152385Sdamien } 1226152385Sdamien 1227152385Sdamien /* 1228152385Sdamien * New mbuf successfully loaded, update Rx ring and continue 1229152385Sdamien * processing. 1230152385Sdamien */ 1231152385Sdamien m = sbuf->m; 1232152385Sdamien sbuf->m = mnew; 1233152385Sdamien sbd->bd->physaddr = htole32(physaddr); 1234286437Sadrian 1235286437Sadrian /* finalize mbuf */ 1236286437Sadrian m->m_pkthdr.rcvif = ifp; 1237145247Sdamien m->m_pkthdr.len = m->m_len = le32toh(status->len); 1238145247Sdamien 1239192468Ssam rssi = status->rssi + IPW_RSSI_TO_DBM; 1240192468Ssam nf = -95; 1241192468Ssam if (ieee80211_radiotap_active(ic)) { 1242145247Sdamien struct ipw_rx_radiotap_header *tap = &sc->sc_rxtap; 1243145247Sdamien 1244145247Sdamien tap->wr_flags = 0; 1245192468Ssam tap->wr_antsignal = rssi; 1246192468Ssam tap->wr_antnoise = nf; 1247145247Sdamien } 1248145247Sdamien 1249172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) 1250172567Sthompsa ipw_fix_channel(sc, m); 1251145247Sdamien 1252172567Sthompsa IPW_UNLOCK(sc); 1253178354Ssam ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *)); 1254178354Ssam if (ni != NULL) { 1255206764Sbschmidt (void) ieee80211_input(ni, m, rssi - nf, nf); 1256178354Ssam ieee80211_free_node(ni); 1257178354Ssam } else 1258206764Sbschmidt (void) ieee80211_input_all(ic, m, rssi - nf, nf); 1259172567Sthompsa IPW_LOCK(sc); 1260145247Sdamien 1261145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 1262145247Sdamien} 1263145247Sdamien 1264145247Sdamienstatic void 1265145247Sdamienipw_rx_intr(struct ipw_softc *sc) 1266145247Sdamien{ 1267145247Sdamien struct ipw_status *status; 1268145247Sdamien struct ipw_soft_bd *sbd; 1269145247Sdamien struct ipw_soft_buf *sbuf; 1270145247Sdamien uint32_t r, i; 1271145247Sdamien 1272145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1273145247Sdamien return; 1274145247Sdamien 1275145247Sdamien r = CSR_READ_4(sc, IPW_CSR_RX_READ); 1276145247Sdamien 1277145247Sdamien bus_dmamap_sync(sc->status_dmat, sc->status_map, BUS_DMASYNC_POSTREAD); 1278145247Sdamien 1279145247Sdamien for (i = (sc->rxcur + 1) % IPW_NRBD; i != r; i = (i + 1) % IPW_NRBD) { 1280145247Sdamien status = &sc->status_list[i]; 1281145247Sdamien sbd = &sc->srbd_list[i]; 1282145247Sdamien sbuf = sbd->priv; 1283145247Sdamien 1284145247Sdamien switch (le16toh(status->code) & 0xf) { 1285145247Sdamien case IPW_STATUS_CODE_COMMAND: 1286172567Sthompsa ipw_rx_cmd_intr(sc, sbuf); 1287145247Sdamien break; 1288145247Sdamien 1289145247Sdamien case IPW_STATUS_CODE_NEWSTATE: 1290172567Sthompsa ipw_rx_newstate_intr(sc, sbuf); 1291145247Sdamien break; 1292145247Sdamien 1293145247Sdamien case IPW_STATUS_CODE_DATA_802_3: 1294145247Sdamien case IPW_STATUS_CODE_DATA_802_11: 1295172567Sthompsa ipw_rx_data_intr(sc, status, sbd, sbuf); 1296145247Sdamien break; 1297145247Sdamien 1298145247Sdamien case IPW_STATUS_CODE_NOTIFICATION: 1299172567Sthompsa DPRINTFN(2, ("notification status, len %u flags 0x%x\n", 1300172567Sthompsa le32toh(status->len), status->flags)); 1301178354Ssam /* XXX maybe drive state machine AUTH->ASSOC? */ 1302145247Sdamien break; 1303145247Sdamien 1304145247Sdamien default: 1305172567Sthompsa device_printf(sc->sc_dev, "unexpected status code %u\n", 1306145247Sdamien le16toh(status->code)); 1307145247Sdamien } 1308145247Sdamien 1309145247Sdamien /* firmware was killed, stop processing received frames */ 1310145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1311145247Sdamien return; 1312145247Sdamien 1313145247Sdamien sbd->bd->flags = 0; 1314145247Sdamien } 1315145247Sdamien 1316145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 1317145247Sdamien 1318145247Sdamien /* kick the firmware */ 1319145247Sdamien sc->rxcur = (r == 0) ? IPW_NRBD - 1 : r - 1; 1320145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_WRITE, sc->rxcur); 1321145247Sdamien} 1322145247Sdamien 1323145247Sdamienstatic void 1324145247Sdamienipw_release_sbd(struct ipw_softc *sc, struct ipw_soft_bd *sbd) 1325145247Sdamien{ 1326145247Sdamien struct ipw_soft_hdr *shdr; 1327145247Sdamien struct ipw_soft_buf *sbuf; 1328145247Sdamien 1329145247Sdamien switch (sbd->type) { 1330145247Sdamien case IPW_SBD_TYPE_COMMAND: 1331145247Sdamien bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map, 1332145247Sdamien BUS_DMASYNC_POSTWRITE); 1333145247Sdamien bus_dmamap_unload(sc->cmd_dmat, sc->cmd_map); 1334145247Sdamien break; 1335145247Sdamien 1336145247Sdamien case IPW_SBD_TYPE_HEADER: 1337145247Sdamien shdr = sbd->priv; 1338145247Sdamien bus_dmamap_sync(sc->hdr_dmat, shdr->map, BUS_DMASYNC_POSTWRITE); 1339145247Sdamien bus_dmamap_unload(sc->hdr_dmat, shdr->map); 1340145247Sdamien SLIST_INSERT_HEAD(&sc->free_shdr, shdr, next); 1341145247Sdamien break; 1342145247Sdamien 1343145247Sdamien case IPW_SBD_TYPE_DATA: 1344145247Sdamien sbuf = sbd->priv; 1345145247Sdamien bus_dmamap_sync(sc->txbuf_dmat, sbuf->map, 1346145247Sdamien BUS_DMASYNC_POSTWRITE); 1347145247Sdamien bus_dmamap_unload(sc->txbuf_dmat, sbuf->map); 1348145247Sdamien SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next); 1349145247Sdamien 1350170530Ssam if (sbuf->m->m_flags & M_TXCB) 1351170530Ssam ieee80211_process_callback(sbuf->ni, sbuf->m, 0/*XXX*/); 1352145247Sdamien m_freem(sbuf->m); 1353145247Sdamien ieee80211_free_node(sbuf->ni); 1354145247Sdamien 1355145247Sdamien sc->sc_tx_timer = 0; 1356145247Sdamien break; 1357145247Sdamien } 1358145247Sdamien 1359145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 1360145247Sdamien} 1361145247Sdamien 1362145247Sdamienstatic void 1363145247Sdamienipw_tx_intr(struct ipw_softc *sc) 1364145247Sdamien{ 1365286437Sadrian struct ifnet *ifp = sc->sc_ifp; 1366145247Sdamien struct ipw_soft_bd *sbd; 1367145247Sdamien uint32_t r, i; 1368145247Sdamien 1369145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1370145247Sdamien return; 1371145247Sdamien 1372145247Sdamien r = CSR_READ_4(sc, IPW_CSR_TX_READ); 1373145247Sdamien 1374145247Sdamien for (i = (sc->txold + 1) % IPW_NTBD; i != r; i = (i + 1) % IPW_NTBD) { 1375145247Sdamien sbd = &sc->stbd_list[i]; 1376286437Sadrian 1377286437Sadrian if (sbd->type == IPW_SBD_TYPE_DATA) 1378286437Sadrian if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1379286437Sadrian 1380145247Sdamien ipw_release_sbd(sc, sbd); 1381145247Sdamien sc->txfree++; 1382145247Sdamien } 1383145247Sdamien 1384145247Sdamien /* remember what the firmware has processed */ 1385145247Sdamien sc->txold = (r == 0) ? IPW_NTBD - 1 : r - 1; 1386145247Sdamien 1387286437Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1388286437Sadrian ipw_start_locked(ifp); 1389145247Sdamien} 1390145247Sdamien 1391145247Sdamienstatic void 1392191746Sthompsaipw_fatal_error_intr(struct ipw_softc *sc) 1393191746Sthompsa{ 1394286437Sadrian struct ifnet *ifp = sc->sc_ifp; 1395286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 1396191956Sthompsa struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1397191746Sthompsa 1398191746Sthompsa device_printf(sc->sc_dev, "firmware error\n"); 1399206767Sbschmidt if (vap != NULL) { 1400206767Sbschmidt IPW_UNLOCK(sc); 1401191956Sthompsa ieee80211_cancel_scan(vap); 1402206767Sbschmidt IPW_LOCK(sc); 1403206767Sbschmidt } 1404191746Sthompsa ieee80211_runtask(ic, &sc->sc_init_task); 1405191746Sthompsa} 1406191746Sthompsa 1407191746Sthompsastatic void 1408145247Sdamienipw_intr(void *arg) 1409145247Sdamien{ 1410145247Sdamien struct ipw_softc *sc = arg; 1411145247Sdamien uint32_t r; 1412145247Sdamien 1413172567Sthompsa IPW_LOCK(sc); 1414145247Sdamien 1415191746Sthompsa r = CSR_READ_4(sc, IPW_CSR_INTR); 1416191746Sthompsa if (r == 0 || r == 0xffffffff) 1417191746Sthompsa goto done; 1418145247Sdamien 1419145247Sdamien /* disable interrupts */ 1420145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0); 1421145247Sdamien 1422156599Sdamien /* acknowledge all interrupts */ 1423156599Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR, r); 1424156599Sdamien 1425145247Sdamien if (r & (IPW_INTR_FATAL_ERROR | IPW_INTR_PARITY_ERROR)) { 1426191746Sthompsa ipw_fatal_error_intr(sc); 1427191746Sthompsa goto done; 1428145247Sdamien } 1429145247Sdamien 1430156599Sdamien if (r & IPW_INTR_FW_INIT_DONE) 1431156599Sdamien wakeup(sc); 1432145247Sdamien 1433145247Sdamien if (r & IPW_INTR_RX_TRANSFER) 1434145247Sdamien ipw_rx_intr(sc); 1435145247Sdamien 1436145247Sdamien if (r & IPW_INTR_TX_TRANSFER) 1437145247Sdamien ipw_tx_intr(sc); 1438145247Sdamien 1439145247Sdamien /* re-enable interrupts */ 1440145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK); 1441191746Sthompsadone: 1442172567Sthompsa IPW_UNLOCK(sc); 1443145247Sdamien} 1444145247Sdamien 1445145247Sdamienstatic void 1446145247Sdamienipw_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) 1447145247Sdamien{ 1448145247Sdamien if (error != 0) 1449145247Sdamien return; 1450145247Sdamien 1451145247Sdamien KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 1452145247Sdamien 1453145247Sdamien *(bus_addr_t *)arg = segs[0].ds_addr; 1454145247Sdamien} 1455145247Sdamien 1456172567Sthompsastatic const char * 1457172567Sthompsaipw_cmdname(int cmd) 1458172567Sthompsa{ 1459172567Sthompsa#define N(a) (sizeof(a) / sizeof(a[0])) 1460172567Sthompsa static const struct { 1461172567Sthompsa int cmd; 1462172567Sthompsa const char *name; 1463172567Sthompsa } cmds[] = { 1464172567Sthompsa { IPW_CMD_ADD_MULTICAST, "ADD_MULTICAST" }, 1465172567Sthompsa { IPW_CMD_BROADCAST_SCAN, "BROADCAST_SCAN" }, 1466172567Sthompsa { IPW_CMD_DISABLE, "DISABLE" }, 1467172567Sthompsa { IPW_CMD_DISABLE_PHY, "DISABLE_PHY" }, 1468172567Sthompsa { IPW_CMD_ENABLE, "ENABLE" }, 1469172567Sthompsa { IPW_CMD_PREPARE_POWER_DOWN, "PREPARE_POWER_DOWN" }, 1470172567Sthompsa { IPW_CMD_SET_BASIC_TX_RATES, "SET_BASIC_TX_RATES" }, 1471172567Sthompsa { IPW_CMD_SET_BEACON_INTERVAL, "SET_BEACON_INTERVAL" }, 1472172567Sthompsa { IPW_CMD_SET_CHANNEL, "SET_CHANNEL" }, 1473172567Sthompsa { IPW_CMD_SET_CONFIGURATION, "SET_CONFIGURATION" }, 1474172567Sthompsa { IPW_CMD_SET_DESIRED_BSSID, "SET_DESIRED_BSSID" }, 1475172567Sthompsa { IPW_CMD_SET_ESSID, "SET_ESSID" }, 1476172567Sthompsa { IPW_CMD_SET_FRAG_THRESHOLD, "SET_FRAG_THRESHOLD" }, 1477172567Sthompsa { IPW_CMD_SET_MAC_ADDRESS, "SET_MAC_ADDRESS" }, 1478172567Sthompsa { IPW_CMD_SET_MANDATORY_BSSID, "SET_MANDATORY_BSSID" }, 1479172567Sthompsa { IPW_CMD_SET_MODE, "SET_MODE" }, 1480172567Sthompsa { IPW_CMD_SET_MSDU_TX_RATES, "SET_MSDU_TX_RATES" }, 1481172567Sthompsa { IPW_CMD_SET_POWER_MODE, "SET_POWER_MODE" }, 1482172567Sthompsa { IPW_CMD_SET_RTS_THRESHOLD, "SET_RTS_THRESHOLD" }, 1483172567Sthompsa { IPW_CMD_SET_SCAN_OPTIONS, "SET_SCAN_OPTIONS" }, 1484172567Sthompsa { IPW_CMD_SET_SECURITY_INFO, "SET_SECURITY_INFO" }, 1485172567Sthompsa { IPW_CMD_SET_TX_POWER_INDEX, "SET_TX_POWER_INDEX" }, 1486172567Sthompsa { IPW_CMD_SET_TX_RATES, "SET_TX_RATES" }, 1487172567Sthompsa { IPW_CMD_SET_WEP_FLAGS, "SET_WEP_FLAGS" }, 1488172567Sthompsa { IPW_CMD_SET_WEP_KEY, "SET_WEP_KEY" }, 1489172567Sthompsa { IPW_CMD_SET_WEP_KEY_INDEX, "SET_WEP_KEY_INDEX" }, 1490172567Sthompsa { IPW_CMD_SET_WPA_IE, "SET_WPA_IE" }, 1491172567Sthompsa 1492172567Sthompsa }; 1493172567Sthompsa static char buf[12]; 1494172567Sthompsa int i; 1495172567Sthompsa 1496172567Sthompsa for (i = 0; i < N(cmds); i++) 1497172567Sthompsa if (cmds[i].cmd == cmd) 1498172567Sthompsa return cmds[i].name; 1499172567Sthompsa snprintf(buf, sizeof(buf), "%u", cmd); 1500172567Sthompsa return buf; 1501172567Sthompsa#undef N 1502172567Sthompsa} 1503172567Sthompsa 1504145247Sdamien/* 1505145247Sdamien * Send a command to the firmware and wait for the acknowledgement. 1506145247Sdamien */ 1507145247Sdamienstatic int 1508145247Sdamienipw_cmd(struct ipw_softc *sc, uint32_t type, void *data, uint32_t len) 1509145247Sdamien{ 1510145247Sdamien struct ipw_soft_bd *sbd; 1511145247Sdamien bus_addr_t physaddr; 1512145247Sdamien int error; 1513145247Sdamien 1514178354Ssam IPW_LOCK_ASSERT(sc); 1515178354Ssam 1516172567Sthompsa if (sc->flags & IPW_FLAG_BUSY) { 1517172567Sthompsa device_printf(sc->sc_dev, "%s: %s not sent, busy\n", 1518172567Sthompsa __func__, ipw_cmdname(type)); 1519172567Sthompsa return EAGAIN; 1520172567Sthompsa } 1521172567Sthompsa sc->flags |= IPW_FLAG_BUSY; 1522172567Sthompsa 1523145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1524145247Sdamien 1525145247Sdamien error = bus_dmamap_load(sc->cmd_dmat, sc->cmd_map, &sc->cmd, 1526145247Sdamien sizeof (struct ipw_cmd), ipw_dma_map_addr, &physaddr, 0); 1527145247Sdamien if (error != 0) { 1528145247Sdamien device_printf(sc->sc_dev, "could not map command DMA memory\n"); 1529172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 1530145247Sdamien return error; 1531145247Sdamien } 1532145247Sdamien 1533145247Sdamien sc->cmd.type = htole32(type); 1534145247Sdamien sc->cmd.subtype = 0; 1535145247Sdamien sc->cmd.len = htole32(len); 1536145247Sdamien sc->cmd.seq = 0; 1537152637Sdamien memcpy(sc->cmd.data, data, len); 1538145247Sdamien 1539145247Sdamien sbd->type = IPW_SBD_TYPE_COMMAND; 1540145247Sdamien sbd->bd->physaddr = htole32(physaddr); 1541145247Sdamien sbd->bd->len = htole32(sizeof (struct ipw_cmd)); 1542145247Sdamien sbd->bd->nfrag = 1; 1543145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_COMMAND | 1544145247Sdamien IPW_BD_FLAG_TX_LAST_FRAGMENT; 1545145247Sdamien 1546145247Sdamien bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map, BUS_DMASYNC_PREWRITE); 1547145247Sdamien bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE); 1548145247Sdamien 1549172567Sthompsa#ifdef IPW_DEBUG 1550172567Sthompsa if (ipw_debug >= 4) { 1551172567Sthompsa printf("sending %s(%u, %u, %u, %u)", ipw_cmdname(type), type, 1552172567Sthompsa 0, 0, len); 1553172567Sthompsa /* Print the data buffer in the higher debug level */ 1554172567Sthompsa if (ipw_debug >= 9 && len > 0) { 1555172567Sthompsa printf(" data: 0x"); 1556172567Sthompsa for (int i = 1; i <= len; i++) 1557174269Swkoszek printf("%1D", (u_char *)data + len - i, ""); 1558172567Sthompsa } 1559172567Sthompsa printf("\n"); 1560172567Sthompsa } 1561172567Sthompsa#endif 1562145247Sdamien 1563145247Sdamien /* kick firmware */ 1564145247Sdamien sc->txfree--; 1565145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1566145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 1567145247Sdamien 1568145247Sdamien /* wait at most one second for command to complete */ 1569172567Sthompsa error = msleep(sc, &sc->sc_mtx, 0, "ipwcmd", hz); 1570172567Sthompsa if (error != 0) { 1571172567Sthompsa device_printf(sc->sc_dev, "%s: %s failed, timeout (error %u)\n", 1572172567Sthompsa __func__, ipw_cmdname(type), error); 1573172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 1574172567Sthompsa return (error); 1575172567Sthompsa } 1576172567Sthompsa return (0); 1577145247Sdamien} 1578145247Sdamien 1579145247Sdamienstatic int 1580286437Sadrianipw_tx_start(struct ifnet *ifp, struct mbuf *m0, struct ieee80211_node *ni) 1581145247Sdamien{ 1582286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 1583286865Sadrian struct ipw_softc *sc = ic->ic_softc; 1584192468Ssam struct ieee80211vap *vap = ni->ni_vap; 1585145247Sdamien struct ieee80211_frame *wh; 1586145247Sdamien struct ipw_soft_bd *sbd; 1587145247Sdamien struct ipw_soft_hdr *shdr; 1588145247Sdamien struct ipw_soft_buf *sbuf; 1589145247Sdamien struct ieee80211_key *k; 1590145247Sdamien struct mbuf *mnew; 1591145247Sdamien bus_dma_segment_t segs[IPW_MAX_NSEG]; 1592145247Sdamien bus_addr_t physaddr; 1593145247Sdamien int nsegs, error, i; 1594145247Sdamien 1595145247Sdamien wh = mtod(m0, struct ieee80211_frame *); 1596145247Sdamien 1597260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 1598178354Ssam k = ieee80211_crypto_encap(ni, m0); 1599147806Ssam if (k == NULL) { 1600147806Ssam m_freem(m0); 1601145247Sdamien return ENOBUFS; 1602147806Ssam } 1603145247Sdamien /* packet header may have moved, reset our local pointer */ 1604145247Sdamien wh = mtod(m0, struct ieee80211_frame *); 1605145247Sdamien } 1606145247Sdamien 1607192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 1608145247Sdamien struct ipw_tx_radiotap_header *tap = &sc->sc_txtap; 1609145247Sdamien 1610145247Sdamien tap->wt_flags = 0; 1611145247Sdamien 1612192468Ssam ieee80211_radiotap_tx(vap, m0); 1613145247Sdamien } 1614145247Sdamien 1615145247Sdamien shdr = SLIST_FIRST(&sc->free_shdr); 1616145247Sdamien sbuf = SLIST_FIRST(&sc->free_sbuf); 1617145247Sdamien KASSERT(shdr != NULL && sbuf != NULL, ("empty sw hdr/buf pool")); 1618145247Sdamien 1619145247Sdamien shdr->hdr.type = htole32(IPW_HDR_TYPE_SEND); 1620145247Sdamien shdr->hdr.subtype = 0; 1621260444Skevlo shdr->hdr.encrypted = (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) ? 1 : 0; 1622145247Sdamien shdr->hdr.encrypt = 0; 1623145247Sdamien shdr->hdr.keyidx = 0; 1624145247Sdamien shdr->hdr.keysz = 0; 1625145247Sdamien shdr->hdr.fragmentsz = 0; 1626145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.src_addr, wh->i_addr2); 1627145247Sdamien if (ic->ic_opmode == IEEE80211_M_STA) 1628145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr3); 1629145247Sdamien else 1630145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr1); 1631145247Sdamien 1632145247Sdamien /* trim IEEE802.11 header */ 1633145247Sdamien m_adj(m0, sizeof (struct ieee80211_frame)); 1634145247Sdamien 1635145247Sdamien error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0, segs, 1636145247Sdamien &nsegs, 0); 1637145247Sdamien if (error != 0 && error != EFBIG) { 1638145247Sdamien device_printf(sc->sc_dev, "could not map mbuf (error %d)\n", 1639145247Sdamien error); 1640145247Sdamien m_freem(m0); 1641145247Sdamien return error; 1642145247Sdamien } 1643145247Sdamien if (error != 0) { 1644243857Sglebius mnew = m_defrag(m0, M_NOWAIT); 1645145247Sdamien if (mnew == NULL) { 1646145247Sdamien device_printf(sc->sc_dev, 1647145247Sdamien "could not defragment mbuf\n"); 1648145247Sdamien m_freem(m0); 1649145247Sdamien return ENOBUFS; 1650145247Sdamien } 1651145247Sdamien m0 = mnew; 1652145247Sdamien 1653145247Sdamien error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0, 1654145247Sdamien segs, &nsegs, 0); 1655145247Sdamien if (error != 0) { 1656145247Sdamien device_printf(sc->sc_dev, 1657145247Sdamien "could not map mbuf (error %d)\n", error); 1658145247Sdamien m_freem(m0); 1659145247Sdamien return error; 1660145247Sdamien } 1661145247Sdamien } 1662145247Sdamien 1663145247Sdamien error = bus_dmamap_load(sc->hdr_dmat, shdr->map, &shdr->hdr, 1664145247Sdamien sizeof (struct ipw_hdr), ipw_dma_map_addr, &physaddr, 0); 1665145247Sdamien if (error != 0) { 1666145247Sdamien device_printf(sc->sc_dev, "could not map header DMA memory\n"); 1667145247Sdamien bus_dmamap_unload(sc->txbuf_dmat, sbuf->map); 1668145247Sdamien m_freem(m0); 1669145247Sdamien return error; 1670145247Sdamien } 1671145247Sdamien 1672145247Sdamien SLIST_REMOVE_HEAD(&sc->free_sbuf, next); 1673145247Sdamien SLIST_REMOVE_HEAD(&sc->free_shdr, next); 1674145247Sdamien 1675145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1676145247Sdamien sbd->type = IPW_SBD_TYPE_HEADER; 1677145247Sdamien sbd->priv = shdr; 1678145247Sdamien sbd->bd->physaddr = htole32(physaddr); 1679145247Sdamien sbd->bd->len = htole32(sizeof (struct ipw_hdr)); 1680145247Sdamien sbd->bd->nfrag = 1 + nsegs; 1681145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3 | 1682145247Sdamien IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT; 1683145247Sdamien 1684145247Sdamien DPRINTFN(5, ("sending tx hdr (%u, %u, %u, %u, %6D, %6D)\n", 1685145247Sdamien shdr->hdr.type, shdr->hdr.subtype, shdr->hdr.encrypted, 1686145247Sdamien shdr->hdr.encrypt, shdr->hdr.src_addr, ":", shdr->hdr.dst_addr, 1687145247Sdamien ":")); 1688145247Sdamien 1689145247Sdamien sc->txfree--; 1690145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1691145247Sdamien 1692145247Sdamien sbuf->m = m0; 1693145247Sdamien sbuf->ni = ni; 1694145247Sdamien 1695145247Sdamien for (i = 0; i < nsegs; i++) { 1696145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1697145247Sdamien 1698145247Sdamien sbd->bd->physaddr = htole32(segs[i].ds_addr); 1699145247Sdamien sbd->bd->len = htole32(segs[i].ds_len); 1700145247Sdamien sbd->bd->nfrag = 0; 1701145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3; 1702145247Sdamien if (i == nsegs - 1) { 1703145247Sdamien sbd->type = IPW_SBD_TYPE_DATA; 1704145247Sdamien sbd->priv = sbuf; 1705145247Sdamien sbd->bd->flags |= IPW_BD_FLAG_TX_LAST_FRAGMENT; 1706145247Sdamien } else { 1707145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 1708145247Sdamien sbd->bd->flags |= IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT; 1709145247Sdamien } 1710145247Sdamien 1711172574Sthompsa DPRINTFN(5, ("sending fragment (%d)\n", i)); 1712145247Sdamien 1713145247Sdamien sc->txfree--; 1714145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1715145247Sdamien } 1716145247Sdamien 1717145247Sdamien bus_dmamap_sync(sc->hdr_dmat, shdr->map, BUS_DMASYNC_PREWRITE); 1718145247Sdamien bus_dmamap_sync(sc->txbuf_dmat, sbuf->map, BUS_DMASYNC_PREWRITE); 1719145247Sdamien bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE); 1720145247Sdamien 1721145247Sdamien /* kick firmware */ 1722145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 1723145247Sdamien 1724145247Sdamien return 0; 1725145247Sdamien} 1726145247Sdamien 1727178354Ssamstatic int 1728178354Ssamipw_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 1729178354Ssam const struct ieee80211_bpf_params *params) 1730178354Ssam{ 1731178354Ssam /* no support; just discard */ 1732178354Ssam m_freem(m); 1733178354Ssam ieee80211_free_node(ni); 1734178354Ssam return 0; 1735178354Ssam} 1736178354Ssam 1737286437Sadrianstatic void 1738286437Sadrianipw_start(struct ifnet *ifp) 1739145247Sdamien{ 1740286437Sadrian struct ipw_softc *sc = ifp->if_softc; 1741172567Sthompsa 1742172567Sthompsa IPW_LOCK(sc); 1743286437Sadrian ipw_start_locked(ifp); 1744172567Sthompsa IPW_UNLOCK(sc); 1745172567Sthompsa} 1746172567Sthompsa 1747172567Sthompsastatic void 1748286437Sadrianipw_start_locked(struct ifnet *ifp) 1749172567Sthompsa{ 1750286437Sadrian struct ipw_softc *sc = ifp->if_softc; 1751145247Sdamien struct ieee80211_node *ni; 1752178354Ssam struct mbuf *m; 1753145247Sdamien 1754172567Sthompsa IPW_LOCK_ASSERT(sc); 1755145247Sdamien 1756286437Sadrian for (;;) { 1757286437Sadrian IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 1758286437Sadrian if (m == NULL) 1759286437Sadrian break; 1760286437Sadrian if (sc->txfree < 1 + IPW_MAX_NSEG) { 1761286437Sadrian IFQ_DRV_PREPEND(&ifp->if_snd, m); 1762286437Sadrian ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1763286437Sadrian break; 1764286437Sadrian } 1765178354Ssam ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; 1766286437Sadrian if (ipw_tx_start(ifp, m, ni) != 0) { 1767145247Sdamien ieee80211_free_node(ni); 1768286437Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1769145247Sdamien break; 1770145247Sdamien } 1771145247Sdamien /* start watchdog timer */ 1772145247Sdamien sc->sc_tx_timer = 5; 1773145247Sdamien } 1774145247Sdamien} 1775145247Sdamien 1776145247Sdamienstatic void 1777172567Sthompsaipw_watchdog(void *arg) 1778145247Sdamien{ 1779172567Sthompsa struct ipw_softc *sc = arg; 1780286437Sadrian struct ifnet *ifp = sc->sc_ifp; 1781286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 1782145247Sdamien 1783172567Sthompsa IPW_LOCK_ASSERT(sc); 1784156599Sdamien 1785145247Sdamien if (sc->sc_tx_timer > 0) { 1786145247Sdamien if (--sc->sc_tx_timer == 0) { 1787286437Sadrian if_printf(ifp, "device timeout\n"); 1788286437Sadrian if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1789178354Ssam taskqueue_enqueue(taskqueue_swi, &sc->sc_init_task); 1790145247Sdamien } 1791145247Sdamien } 1792172567Sthompsa if (sc->sc_scan_timer > 0) { 1793172567Sthompsa if (--sc->sc_scan_timer == 0) { 1794172567Sthompsa DPRINTFN(3, ("Scan timeout\n")); 1795172567Sthompsa /* End the scan */ 1796172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) { 1797206767Sbschmidt IPW_UNLOCK(sc); 1798178354Ssam ieee80211_scan_done(TAILQ_FIRST(&ic->ic_vaps)); 1799206767Sbschmidt IPW_LOCK(sc); 1800172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 1801172567Sthompsa } 1802172567Sthompsa } 1803172567Sthompsa } 1804286437Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1805172567Sthompsa callout_reset(&sc->sc_wdtimer, hz, ipw_watchdog, sc); 1806145247Sdamien} 1807145247Sdamien 1808286437Sadrianstatic int 1809286437Sadrianipw_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1810145247Sdamien{ 1811286437Sadrian struct ipw_softc *sc = ifp->if_softc; 1812286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 1813286437Sadrian struct ifreq *ifr = (struct ifreq *) data; 1814286437Sadrian int error = 0, startall = 0; 1815145247Sdamien 1816286437Sadrian switch (cmd) { 1817286437Sadrian case SIOCSIFFLAGS: 1818286437Sadrian IPW_LOCK(sc); 1819286437Sadrian if (ifp->if_flags & IFF_UP) { 1820286437Sadrian if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1821286437Sadrian ipw_init_locked(sc); 1822286437Sadrian startall = 1; 1823286437Sadrian } 1824286437Sadrian } else { 1825286437Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1826286437Sadrian ipw_stop_locked(sc); 1827145247Sdamien } 1828286437Sadrian IPW_UNLOCK(sc); 1829286437Sadrian if (startall) 1830286437Sadrian ieee80211_start_all(ic); 1831286437Sadrian break; 1832286437Sadrian case SIOCGIFMEDIA: 1833286437Sadrian error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 1834286437Sadrian break; 1835286437Sadrian case SIOCGIFADDR: 1836286437Sadrian error = ether_ioctl(ifp, cmd, data); 1837286437Sadrian break; 1838286437Sadrian default: 1839286437Sadrian error = EINVAL; 1840286437Sadrian break; 1841286437Sadrian } 1842286437Sadrian return error; 1843145247Sdamien} 1844145247Sdamien 1845145247Sdamienstatic void 1846145247Sdamienipw_stop_master(struct ipw_softc *sc) 1847145247Sdamien{ 1848156599Sdamien uint32_t tmp; 1849145247Sdamien int ntries; 1850145247Sdamien 1851145247Sdamien /* disable interrupts */ 1852145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0); 1853145247Sdamien 1854145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_STOP_MASTER); 1855145247Sdamien for (ntries = 0; ntries < 50; ntries++) { 1856145247Sdamien if (CSR_READ_4(sc, IPW_CSR_RST) & IPW_RST_MASTER_DISABLED) 1857145247Sdamien break; 1858145247Sdamien DELAY(10); 1859145247Sdamien } 1860145247Sdamien if (ntries == 50) 1861145247Sdamien device_printf(sc->sc_dev, "timeout waiting for master\n"); 1862145247Sdamien 1863156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_RST); 1864156599Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_PRINCETON_RESET); 1865145247Sdamien 1866172567Sthompsa /* Clear all flags except the following */ 1867172567Sthompsa sc->flags &= IPW_FLAG_HAS_RADIO_SWITCH; 1868145247Sdamien} 1869145247Sdamien 1870145247Sdamienstatic int 1871145247Sdamienipw_reset(struct ipw_softc *sc) 1872145247Sdamien{ 1873156599Sdamien uint32_t tmp; 1874145247Sdamien int ntries; 1875145247Sdamien 1876145247Sdamien ipw_stop_master(sc); 1877145247Sdamien 1878145247Sdamien /* move adapter to D0 state */ 1879156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1880156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_INIT); 1881145247Sdamien 1882145247Sdamien /* wait for clock stabilization */ 1883145247Sdamien for (ntries = 0; ntries < 1000; ntries++) { 1884145247Sdamien if (CSR_READ_4(sc, IPW_CSR_CTL) & IPW_CTL_CLOCK_READY) 1885145247Sdamien break; 1886145247Sdamien DELAY(200); 1887145247Sdamien } 1888145247Sdamien if (ntries == 1000) 1889145247Sdamien return EIO; 1890145247Sdamien 1891156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_RST); 1892156599Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_SW_RESET); 1893145247Sdamien 1894145247Sdamien DELAY(10); 1895145247Sdamien 1896156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1897156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_INIT); 1898145247Sdamien 1899145247Sdamien return 0; 1900145247Sdamien} 1901145247Sdamien 1902172567Sthompsastatic int 1903172567Sthompsaipw_waitfordisable(struct ipw_softc *sc, int waitfor) 1904172567Sthompsa{ 1905172567Sthompsa int ms = hz < 1000 ? 1 : hz/10; 1906172567Sthompsa int i, error; 1907172567Sthompsa 1908172567Sthompsa for (i = 0; i < 100; i++) { 1909172567Sthompsa if (ipw_read_table1(sc, IPW_INFO_CARD_DISABLED) == waitfor) 1910172567Sthompsa return 0; 1911172567Sthompsa error = msleep(sc, &sc->sc_mtx, PCATCH, __func__, ms); 1912172567Sthompsa if (error == 0 || error != EWOULDBLOCK) 1913172567Sthompsa return 0; 1914172567Sthompsa } 1915172567Sthompsa DPRINTF(("%s: timeout waiting for %s\n", 1916172567Sthompsa __func__, waitfor ? "disable" : "enable")); 1917172567Sthompsa return ETIMEDOUT; 1918172567Sthompsa} 1919172567Sthompsa 1920172567Sthompsastatic int 1921172567Sthompsaipw_enable(struct ipw_softc *sc) 1922172567Sthompsa{ 1923172567Sthompsa int error; 1924172567Sthompsa 1925172567Sthompsa if ((sc->flags & IPW_FLAG_ENABLED) == 0) { 1926172567Sthompsa DPRINTF(("Enable adapter\n")); 1927172567Sthompsa error = ipw_cmd(sc, IPW_CMD_ENABLE, NULL, 0); 1928172567Sthompsa if (error != 0) 1929172567Sthompsa return error; 1930172567Sthompsa error = ipw_waitfordisable(sc, 0); 1931172567Sthompsa if (error != 0) 1932172567Sthompsa return error; 1933172567Sthompsa sc->flags |= IPW_FLAG_ENABLED; 1934172567Sthompsa } 1935172567Sthompsa return 0; 1936172567Sthompsa} 1937172567Sthompsa 1938172567Sthompsastatic int 1939172567Sthompsaipw_disable(struct ipw_softc *sc) 1940172567Sthompsa{ 1941172567Sthompsa int error; 1942172567Sthompsa 1943172567Sthompsa if (sc->flags & IPW_FLAG_ENABLED) { 1944172567Sthompsa DPRINTF(("Disable adapter\n")); 1945172567Sthompsa error = ipw_cmd(sc, IPW_CMD_DISABLE, NULL, 0); 1946172567Sthompsa if (error != 0) 1947172567Sthompsa return error; 1948172567Sthompsa error = ipw_waitfordisable(sc, 1); 1949172567Sthompsa if (error != 0) 1950172567Sthompsa return error; 1951172567Sthompsa sc->flags &= ~IPW_FLAG_ENABLED; 1952172567Sthompsa } 1953172567Sthompsa return 0; 1954172567Sthompsa} 1955172567Sthompsa 1956145247Sdamien/* 1957145247Sdamien * Upload the microcode to the device. 1958145247Sdamien */ 1959145247Sdamienstatic int 1960156599Sdamienipw_load_ucode(struct ipw_softc *sc, const char *uc, int size) 1961145247Sdamien{ 1962145247Sdamien int ntries; 1963145247Sdamien 1964145247Sdamien MEM_WRITE_4(sc, 0x3000e0, 0x80000000); 1965145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, 0); 1966145247Sdamien 1967145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0703); 1968145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0707); 1969145247Sdamien 1970145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1971145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1972145247Sdamien 1973145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x40); 1974145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1975145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x40); 1976145247Sdamien 1977145247Sdamien MEM_WRITE_MULTI_1(sc, 0x210010, uc, size); 1978145247Sdamien 1979145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1980145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1981145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x80); 1982145247Sdamien 1983145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0703); 1984145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0707); 1985145247Sdamien 1986145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1987145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1988145247Sdamien 1989145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1990145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x80); 1991145247Sdamien 1992145247Sdamien for (ntries = 0; ntries < 10; ntries++) { 1993145247Sdamien if (MEM_READ_1(sc, 0x210000) & 1) 1994145247Sdamien break; 1995145247Sdamien DELAY(10); 1996145247Sdamien } 1997145247Sdamien if (ntries == 10) { 1998145247Sdamien device_printf(sc->sc_dev, 1999145247Sdamien "timeout waiting for ucode to initialize\n"); 2000145247Sdamien return EIO; 2001145247Sdamien } 2002145247Sdamien 2003145247Sdamien MEM_WRITE_4(sc, 0x3000e0, 0); 2004145247Sdamien 2005145247Sdamien return 0; 2006145247Sdamien} 2007145247Sdamien 2008145247Sdamien/* set of macros to handle unaligned little endian data in firmware image */ 2009145247Sdamien#define GETLE32(p) ((p)[0] | (p)[1] << 8 | (p)[2] << 16 | (p)[3] << 24) 2010145247Sdamien#define GETLE16(p) ((p)[0] | (p)[1] << 8) 2011145247Sdamienstatic int 2012156599Sdamienipw_load_firmware(struct ipw_softc *sc, const char *fw, int size) 2013145247Sdamien{ 2014156599Sdamien const uint8_t *p, *end; 2015156599Sdamien uint32_t tmp, dst; 2016145247Sdamien uint16_t len; 2017145247Sdamien int error; 2018145247Sdamien 2019145247Sdamien p = fw; 2020145247Sdamien end = fw + size; 2021145247Sdamien while (p < end) { 2022145247Sdamien dst = GETLE32(p); p += 4; 2023145247Sdamien len = GETLE16(p); p += 2; 2024145247Sdamien 2025145247Sdamien ipw_write_mem_1(sc, dst, p, len); 2026145247Sdamien p += len; 2027145247Sdamien } 2028145247Sdamien 2029145247Sdamien CSR_WRITE_4(sc, IPW_CSR_IO, IPW_IO_GPIO1_ENABLE | IPW_IO_GPIO3_MASK | 2030145247Sdamien IPW_IO_LED_OFF); 2031145247Sdamien 2032145247Sdamien /* enable interrupts */ 2033145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK); 2034145247Sdamien 2035145247Sdamien /* kick the firmware */ 2036145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, 0); 2037145247Sdamien 2038156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 2039156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_ALLOW_STANDBY); 2040145247Sdamien 2041145247Sdamien /* wait at most one second for firmware initialization to complete */ 2042145247Sdamien if ((error = msleep(sc, &sc->sc_mtx, 0, "ipwinit", hz)) != 0) { 2043145247Sdamien device_printf(sc->sc_dev, "timeout waiting for firmware " 2044145247Sdamien "initialization to complete\n"); 2045145247Sdamien return error; 2046145247Sdamien } 2047145247Sdamien 2048156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_IO); 2049156599Sdamien CSR_WRITE_4(sc, IPW_CSR_IO, tmp | IPW_IO_GPIO1_MASK | 2050156599Sdamien IPW_IO_GPIO3_MASK); 2051145247Sdamien 2052145247Sdamien return 0; 2053145247Sdamien} 2054145247Sdamien 2055145247Sdamienstatic int 2056172567Sthompsaipw_setwepkeys(struct ipw_softc *sc) 2057172567Sthompsa{ 2058286437Sadrian struct ifnet *ifp = sc->sc_ifp; 2059286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 2060178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2061172567Sthompsa struct ipw_wep_key wepkey; 2062172567Sthompsa struct ieee80211_key *wk; 2063172567Sthompsa int error, i; 2064172567Sthompsa 2065172567Sthompsa for (i = 0; i < IEEE80211_WEP_NKID; i++) { 2066178354Ssam wk = &vap->iv_nw_keys[i]; 2067172567Sthompsa 2068172567Sthompsa if (wk->wk_cipher == NULL || 2069172567Sthompsa wk->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP) 2070172567Sthompsa continue; 2071172567Sthompsa 2072172567Sthompsa wepkey.idx = i; 2073172567Sthompsa wepkey.len = wk->wk_keylen; 2074172567Sthompsa memset(wepkey.key, 0, sizeof wepkey.key); 2075172567Sthompsa memcpy(wepkey.key, wk->wk_key, wk->wk_keylen); 2076172567Sthompsa DPRINTF(("Setting wep key index %u len %u\n", wepkey.idx, 2077172567Sthompsa wepkey.len)); 2078172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY, &wepkey, 2079172567Sthompsa sizeof wepkey); 2080172567Sthompsa if (error != 0) 2081172567Sthompsa return error; 2082172567Sthompsa } 2083172567Sthompsa return 0; 2084172567Sthompsa} 2085172567Sthompsa 2086172567Sthompsastatic int 2087172567Sthompsaipw_setwpaie(struct ipw_softc *sc, const void *ie, int ielen) 2088172567Sthompsa{ 2089172567Sthompsa struct ipw_wpa_ie wpaie; 2090172567Sthompsa 2091172567Sthompsa memset(&wpaie, 0, sizeof(wpaie)); 2092172567Sthompsa wpaie.len = htole32(ielen); 2093172567Sthompsa /* XXX verify length */ 2094172567Sthompsa memcpy(&wpaie.ie, ie, ielen); 2095172567Sthompsa DPRINTF(("Setting WPA IE\n")); 2096172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_WPA_IE, &wpaie, sizeof(wpaie)); 2097172567Sthompsa} 2098172567Sthompsa 2099172567Sthompsastatic int 2100172567Sthompsaipw_setbssid(struct ipw_softc *sc, uint8_t *bssid) 2101172567Sthompsa{ 2102172567Sthompsa static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 2103172567Sthompsa 2104172567Sthompsa if (bssid == NULL || bcmp(bssid, zerobssid, IEEE80211_ADDR_LEN) == 0) { 2105172567Sthompsa DPRINTF(("Setting mandatory BSSID to null\n")); 2106172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID, NULL, 0); 2107172567Sthompsa } else { 2108172567Sthompsa DPRINTF(("Setting mandatory BSSID to %6D\n", bssid, ":")); 2109172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID, 2110172567Sthompsa bssid, IEEE80211_ADDR_LEN); 2111172567Sthompsa } 2112172567Sthompsa} 2113172567Sthompsa 2114172567Sthompsastatic int 2115172567Sthompsaipw_setssid(struct ipw_softc *sc, void *ssid, size_t ssidlen) 2116172567Sthompsa{ 2117172567Sthompsa if (ssidlen == 0) { 2118172567Sthompsa /* 2119172567Sthompsa * A bug in the firmware breaks the ``don't associate'' 2120172567Sthompsa * bit in the scan options command. To compensate for 2121172567Sthompsa * this install a bogus ssid when no ssid is specified 2122172567Sthompsa * so the firmware won't try to associate. 2123172567Sthompsa */ 2124172567Sthompsa DPRINTF(("Setting bogus ESSID to WAR firmware bug\n")); 2125172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_ESSID, 2126172567Sthompsa "\x18\x19\x20\x21\x22\x23\x24\x25\x26\x27" 2127172567Sthompsa "\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f\x30\x31" 2128172567Sthompsa "\x32\x33\x34\x35\x36\x37\x38\x39\x3a\x3b" 2129172567Sthompsa "\x3c\x3d", IEEE80211_NWID_LEN); 2130172567Sthompsa } else { 2131172567Sthompsa#ifdef IPW_DEBUG 2132172567Sthompsa if (ipw_debug > 0) { 2133172567Sthompsa printf("Setting ESSID to "); 2134172567Sthompsa ieee80211_print_essid(ssid, ssidlen); 2135172567Sthompsa printf("\n"); 2136172567Sthompsa } 2137172567Sthompsa#endif 2138172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_ESSID, ssid, ssidlen); 2139172567Sthompsa } 2140172567Sthompsa} 2141172567Sthompsa 2142172567Sthompsastatic int 2143172567Sthompsaipw_setscanopts(struct ipw_softc *sc, uint32_t chanmask, uint32_t flags) 2144172567Sthompsa{ 2145172567Sthompsa struct ipw_scan_options opts; 2146172567Sthompsa 2147172567Sthompsa DPRINTF(("Scan options: mask 0x%x flags 0x%x\n", chanmask, flags)); 2148172567Sthompsa opts.channels = htole32(chanmask); 2149172567Sthompsa opts.flags = htole32(flags); 2150172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_SCAN_OPTIONS, &opts, sizeof(opts)); 2151172567Sthompsa} 2152172567Sthompsa 2153172567Sthompsastatic int 2154172567Sthompsaipw_scan(struct ipw_softc *sc) 2155172567Sthompsa{ 2156172567Sthompsa uint32_t params; 2157172567Sthompsa int error; 2158172567Sthompsa 2159172567Sthompsa DPRINTF(("%s: flags 0x%x\n", __func__, sc->flags)); 2160172567Sthompsa 2161172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) 2162172567Sthompsa return (EBUSY); 2163172567Sthompsa sc->flags |= IPW_FLAG_SCANNING | IPW_FLAG_HACK; 2164172567Sthompsa 2165172567Sthompsa /* NB: IPW_SCAN_DO_NOT_ASSOCIATE does not work (we set it anyway) */ 2166172567Sthompsa error = ipw_setscanopts(sc, 0x3fff, IPW_SCAN_DO_NOT_ASSOCIATE); 2167172567Sthompsa if (error != 0) 2168172567Sthompsa goto done; 2169172567Sthompsa 2170172567Sthompsa /* 2171172567Sthompsa * Setup null/bogus ssid so firmware doesn't use any previous 2172172567Sthompsa * ssid to try and associate. This is because the ``don't 2173172567Sthompsa * associate'' option bit is broken (sigh). 2174172567Sthompsa */ 2175172567Sthompsa error = ipw_setssid(sc, NULL, 0); 2176172567Sthompsa if (error != 0) 2177172567Sthompsa goto done; 2178172567Sthompsa 2179172567Sthompsa /* 2180172567Sthompsa * NB: the adapter may be disabled on association lost; 2181172567Sthompsa * if so just re-enable it to kick off scanning. 2182172567Sthompsa */ 2183172567Sthompsa DPRINTF(("Starting scan\n")); 2184172567Sthompsa sc->sc_scan_timer = 3; 2185172567Sthompsa if (sc->flags & IPW_FLAG_ENABLED) { 2186172567Sthompsa params = 0; /* XXX? */ 2187172567Sthompsa error = ipw_cmd(sc, IPW_CMD_BROADCAST_SCAN, 2188172567Sthompsa ¶ms, sizeof(params)); 2189172567Sthompsa } else 2190172567Sthompsa error = ipw_enable(sc); 2191172567Sthompsadone: 2192172567Sthompsa if (error != 0) { 2193172567Sthompsa DPRINTF(("Scan failed\n")); 2194172567Sthompsa sc->flags &= ~(IPW_FLAG_SCANNING | IPW_FLAG_HACK); 2195172567Sthompsa } 2196172567Sthompsa return (error); 2197172567Sthompsa} 2198172567Sthompsa 2199172567Sthompsastatic int 2200172567Sthompsaipw_setchannel(struct ipw_softc *sc, struct ieee80211_channel *chan) 2201172567Sthompsa{ 2202286437Sadrian struct ifnet *ifp = sc->sc_ifp; 2203286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 2204172567Sthompsa uint32_t data; 2205172567Sthompsa int error; 2206172567Sthompsa 2207172567Sthompsa data = htole32(ieee80211_chan2ieee(ic, chan)); 2208172567Sthompsa DPRINTF(("Setting channel to %u\n", le32toh(data))); 2209172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_CHANNEL, &data, sizeof data); 2210172567Sthompsa if (error == 0) 2211172567Sthompsa ipw_setcurchan(sc, chan); 2212172567Sthompsa return error; 2213172567Sthompsa} 2214172567Sthompsa 2215178354Ssamstatic void 2216191746Sthompsaipw_assoc(struct ieee80211com *ic, struct ieee80211vap *vap) 2217145247Sdamien{ 2218286865Sadrian struct ipw_softc *sc = ic->ic_softc; 2219178354Ssam struct ieee80211_node *ni = vap->iv_bss; 2220145247Sdamien struct ipw_security security; 2221145247Sdamien uint32_t data; 2222172567Sthompsa int error; 2223145247Sdamien 2224178354Ssam IPW_LOCK(sc); 2225172567Sthompsa error = ipw_disable(sc); 2226172567Sthompsa if (error != 0) 2227178354Ssam goto done; 2228172567Sthompsa 2229152637Sdamien memset(&security, 0, sizeof security); 2230178354Ssam security.authmode = (ni->ni_authmode == IEEE80211_AUTH_SHARED) ? 2231145247Sdamien IPW_AUTH_SHARED : IPW_AUTH_OPEN; 2232145247Sdamien security.ciphers = htole32(IPW_CIPHER_NONE); 2233145247Sdamien DPRINTF(("Setting authmode to %u\n", security.authmode)); 2234172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_SECURITY_INFO, &security, 2235145247Sdamien sizeof security); 2236145247Sdamien if (error != 0) 2237178354Ssam goto done; 2238145247Sdamien 2239178354Ssam data = htole32(vap->iv_rtsthreshold); 2240178354Ssam DPRINTF(("Setting RTS threshold to %u\n", le32toh(data))); 2241178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_RTS_THRESHOLD, &data, sizeof data); 2242145247Sdamien if (error != 0) 2243178354Ssam goto done; 2244145247Sdamien 2245178354Ssam data = htole32(vap->iv_fragthreshold); 2246178354Ssam DPRINTF(("Setting frag threshold to %u\n", le32toh(data))); 2247178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_FRAG_THRESHOLD, &data, sizeof data); 2248145247Sdamien if (error != 0) 2249178354Ssam goto done; 2250145247Sdamien 2251178354Ssam if (vap->iv_flags & IEEE80211_F_PRIVACY) { 2252172567Sthompsa error = ipw_setwepkeys(sc); 2253172567Sthompsa if (error != 0) 2254178354Ssam goto done; 2255172567Sthompsa 2256178354Ssam if (vap->iv_def_txkey != IEEE80211_KEYIX_NONE) { 2257178354Ssam data = htole32(vap->iv_def_txkey); 2258172567Sthompsa DPRINTF(("Setting wep tx key index to %u\n", 2259172567Sthompsa le32toh(data))); 2260172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY_INDEX, &data, 2261172567Sthompsa sizeof data); 2262172567Sthompsa if (error != 0) 2263178354Ssam goto done; 2264172567Sthompsa } 2265172567Sthompsa } 2266172567Sthompsa 2267178354Ssam data = htole32((vap->iv_flags & IEEE80211_F_PRIVACY) ? IPW_WEPON : 0); 2268172567Sthompsa DPRINTF(("Setting wep flags to 0x%x\n", le32toh(data))); 2269172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_FLAGS, &data, sizeof data); 2270172567Sthompsa if (error != 0) 2271178354Ssam goto done; 2272172567Sthompsa 2273172567Sthompsa error = ipw_setssid(sc, ni->ni_essid, ni->ni_esslen); 2274172567Sthompsa if (error != 0) 2275178354Ssam goto done; 2276172567Sthompsa 2277172567Sthompsa error = ipw_setbssid(sc, ni->ni_bssid); 2278172567Sthompsa if (error != 0) 2279178354Ssam goto done; 2280172567Sthompsa 2281206766Sbschmidt if (vap->iv_appie_wpa != NULL) { 2282206766Sbschmidt struct ieee80211_appie *ie = vap->iv_appie_wpa; 2283178354Ssam error = ipw_setwpaie(sc, ie->ie_data, ie->ie_len); 2284172567Sthompsa if (error != 0) 2285178354Ssam goto done; 2286172567Sthompsa } 2287172567Sthompsa if (ic->ic_opmode == IEEE80211_M_IBSS) { 2288172567Sthompsa error = ipw_setchannel(sc, ni->ni_chan); 2289172567Sthompsa if (error != 0) 2290178354Ssam goto done; 2291172567Sthompsa } 2292172567Sthompsa 2293172567Sthompsa /* lock scan to ap's channel and enable associate */ 2294172567Sthompsa error = ipw_setscanopts(sc, 2295178354Ssam 1<<(ieee80211_chan2ieee(ic, ni->ni_chan)-1), 0); 2296178354Ssam if (error != 0) 2297178354Ssam goto done; 2298172567Sthompsa 2299178354Ssam error = ipw_enable(sc); /* finally, enable adapter */ 2300178354Ssam if (error == 0) 2301178354Ssam sc->flags |= IPW_FLAG_ASSOCIATING; 2302178354Ssamdone: 2303178354Ssam IPW_UNLOCK(sc); 2304172567Sthompsa} 2305172567Sthompsa 2306172567Sthompsastatic void 2307191746Sthompsaipw_disassoc(struct ieee80211com *ic, struct ieee80211vap *vap) 2308172567Sthompsa{ 2309178354Ssam struct ieee80211_node *ni = vap->iv_bss; 2310286865Sadrian struct ipw_softc *sc = ic->ic_softc; 2311172567Sthompsa 2312172567Sthompsa IPW_LOCK(sc); 2313172567Sthompsa DPRINTF(("Disassociate from %6D\n", ni->ni_bssid, ":")); 2314172567Sthompsa /* 2315172567Sthompsa * NB: don't try to do this if ipw_stop_master has 2316172567Sthompsa * shutdown the firmware and disabled interrupts. 2317172567Sthompsa */ 2318178354Ssam if (sc->flags & IPW_FLAG_FW_INITED) { 2319178354Ssam sc->flags &= ~IPW_FLAG_ASSOCIATED; 2320178354Ssam /* 2321178354Ssam * NB: firmware currently ignores bssid parameter, but 2322178354Ssam * supply it in case this changes (follow linux driver). 2323178354Ssam */ 2324178354Ssam (void) ipw_cmd(sc, IPW_CMD_DISASSOCIATE, 2325178354Ssam ni->ni_bssid, IEEE80211_ADDR_LEN); 2326178354Ssam } 2327178354Ssam IPW_UNLOCK(sc); 2328172567Sthompsa} 2329172567Sthompsa 2330172567Sthompsa/* 2331156599Sdamien * Handler for sc_init_task. This is a simple wrapper around ipw_init(). 2332156599Sdamien * It is called on firmware panics or on watchdog timeouts. 2333156599Sdamien */ 2334145247Sdamienstatic void 2335156599Sdamienipw_init_task(void *context, int pending) 2336156599Sdamien{ 2337156599Sdamien ipw_init(context); 2338156599Sdamien} 2339156599Sdamien 2340156599Sdamienstatic void 2341145247Sdamienipw_init(void *priv) 2342145247Sdamien{ 2343145247Sdamien struct ipw_softc *sc = priv; 2344286437Sadrian struct ifnet *ifp = sc->sc_ifp; 2345286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 2346172567Sthompsa 2347172567Sthompsa IPW_LOCK(sc); 2348178354Ssam ipw_init_locked(sc); 2349172567Sthompsa IPW_UNLOCK(sc); 2350178354Ssam 2351286437Sadrian if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2352178931Sthompsa ieee80211_start_all(ic); /* start all vap's */ 2353172567Sthompsa} 2354172567Sthompsa 2355172567Sthompsastatic void 2356178354Ssamipw_init_locked(struct ipw_softc *sc) 2357172567Sthompsa{ 2358286437Sadrian struct ifnet *ifp = sc->sc_ifp; 2359286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 2360178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2361166756Sluigi const struct firmware *fp; 2362156599Sdamien const struct ipw_firmware_hdr *hdr; 2363178354Ssam const char *fw; 2364145247Sdamien 2365172567Sthompsa IPW_LOCK_ASSERT(sc); 2366156599Sdamien 2367172567Sthompsa DPRINTF(("%s: state %s flags 0x%x\n", __func__, 2368178354Ssam ieee80211_state_name[vap->iv_state], sc->flags)); 2369172567Sthompsa 2370156599Sdamien /* 2371156599Sdamien * Avoid re-entrant calls. We need to release the mutex in ipw_init() 2372156599Sdamien * when loading the firmware and we don't want to be called during this 2373156599Sdamien * operation. 2374156599Sdamien */ 2375172567Sthompsa if (sc->flags & IPW_FLAG_INIT_LOCKED) 2376145247Sdamien return; 2377156599Sdamien sc->flags |= IPW_FLAG_INIT_LOCKED; 2378145247Sdamien 2379172567Sthompsa ipw_stop_locked(sc); 2380145247Sdamien 2381145247Sdamien if (ipw_reset(sc) != 0) { 2382145247Sdamien device_printf(sc->sc_dev, "could not reset adapter\n"); 2383178354Ssam goto fail; 2384145247Sdamien } 2385145247Sdamien 2386159487Siedowse if (sc->sc_firmware == NULL) { 2387178354Ssam device_printf(sc->sc_dev, "no firmware\n"); 2388178354Ssam goto fail; 2389156599Sdamien } 2390178354Ssam /* NB: consistency already checked on load */ 2391159487Siedowse fp = sc->sc_firmware; 2392156599Sdamien hdr = (const struct ipw_firmware_hdr *)fp->data; 2393156599Sdamien 2394178354Ssam DPRINTF(("Loading firmware image '%s'\n", fp->name)); 2395156599Sdamien fw = (const char *)fp->data + sizeof *hdr + le32toh(hdr->mainsz); 2396156599Sdamien if (ipw_load_ucode(sc, fw, le32toh(hdr->ucodesz)) != 0) { 2397145247Sdamien device_printf(sc->sc_dev, "could not load microcode\n"); 2398178354Ssam goto fail; 2399145247Sdamien } 2400145247Sdamien 2401145247Sdamien ipw_stop_master(sc); 2402145247Sdamien 2403145247Sdamien /* 2404145247Sdamien * Setup tx, rx and status rings. 2405145247Sdamien */ 2406145247Sdamien sc->txold = IPW_NTBD - 1; 2407145247Sdamien sc->txcur = 0; 2408145247Sdamien sc->txfree = IPW_NTBD - 2; 2409145247Sdamien sc->rxcur = IPW_NRBD - 1; 2410145247Sdamien 2411145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_BASE, sc->tbd_phys); 2412145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_SIZE, IPW_NTBD); 2413145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_READ, 0); 2414145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 2415145247Sdamien 2416145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_BASE, sc->rbd_phys); 2417145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_SIZE, IPW_NRBD); 2418145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_READ, 0); 2419145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_WRITE, sc->rxcur); 2420145247Sdamien 2421145247Sdamien CSR_WRITE_4(sc, IPW_CSR_STATUS_BASE, sc->status_phys); 2422145247Sdamien 2423156599Sdamien fw = (const char *)fp->data + sizeof *hdr; 2424156599Sdamien if (ipw_load_firmware(sc, fw, le32toh(hdr->mainsz)) != 0) { 2425145247Sdamien device_printf(sc->sc_dev, "could not load firmware\n"); 2426178354Ssam goto fail; 2427145247Sdamien } 2428145247Sdamien 2429145247Sdamien sc->flags |= IPW_FLAG_FW_INITED; 2430145247Sdamien 2431145247Sdamien /* retrieve information tables base addresses */ 2432145247Sdamien sc->table1_base = CSR_READ_4(sc, IPW_CSR_TABLE1_BASE); 2433145247Sdamien sc->table2_base = CSR_READ_4(sc, IPW_CSR_TABLE2_BASE); 2434145247Sdamien 2435145247Sdamien ipw_write_table1(sc, IPW_INFO_LOCK, 0); 2436145247Sdamien 2437145247Sdamien if (ipw_config(sc) != 0) { 2438145247Sdamien device_printf(sc->sc_dev, "device configuration failed\n"); 2439178354Ssam goto fail; 2440145247Sdamien } 2441145247Sdamien 2442172567Sthompsa callout_reset(&sc->sc_wdtimer, hz, ipw_watchdog, sc); 2443286437Sadrian ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2444286437Sadrian ifp->if_drv_flags |= IFF_DRV_RUNNING; 2445286437Sadrian 2446286437Sadrian sc->flags &=~ IPW_FLAG_INIT_LOCKED; 2447145247Sdamien return; 2448145247Sdamien 2449178354Ssamfail: 2450172567Sthompsa ipw_stop_locked(sc); 2451286437Sadrian sc->flags &=~ IPW_FLAG_INIT_LOCKED; 2452145247Sdamien} 2453145247Sdamien 2454178354Ssamstatic int 2455178354Ssamipw_config(struct ipw_softc *sc) 2456178354Ssam{ 2457286437Sadrian struct ifnet *ifp = sc->sc_ifp; 2458286437Sadrian struct ieee80211com *ic = ifp->if_l2com; 2459178354Ssam struct ipw_configuration config; 2460178354Ssam uint32_t data; 2461178354Ssam int error; 2462178354Ssam 2463178354Ssam error = ipw_disable(sc); 2464178354Ssam if (error != 0) 2465178354Ssam return error; 2466178354Ssam 2467178354Ssam switch (ic->ic_opmode) { 2468178354Ssam case IEEE80211_M_STA: 2469178354Ssam case IEEE80211_M_HOSTAP: 2470178354Ssam case IEEE80211_M_WDS: /* XXX */ 2471178354Ssam data = htole32(IPW_MODE_BSS); 2472178354Ssam break; 2473178354Ssam case IEEE80211_M_IBSS: 2474178354Ssam case IEEE80211_M_AHDEMO: 2475178354Ssam data = htole32(IPW_MODE_IBSS); 2476178354Ssam break; 2477178354Ssam case IEEE80211_M_MONITOR: 2478178354Ssam data = htole32(IPW_MODE_MONITOR); 2479178354Ssam break; 2480195562Srpaulo default: 2481195562Srpaulo device_printf(sc->sc_dev, "unknown opmode %d\n", ic->ic_opmode); 2482195562Srpaulo return EINVAL; 2483178354Ssam } 2484178354Ssam DPRINTF(("Setting mode to %u\n", le32toh(data))); 2485178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_MODE, &data, sizeof data); 2486178354Ssam if (error != 0) 2487178354Ssam return error; 2488178354Ssam 2489178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS || 2490178354Ssam ic->ic_opmode == IEEE80211_M_MONITOR) { 2491178354Ssam error = ipw_setchannel(sc, ic->ic_curchan); 2492178354Ssam if (error != 0) 2493178354Ssam return error; 2494178354Ssam } 2495178354Ssam 2496178354Ssam if (ic->ic_opmode == IEEE80211_M_MONITOR) 2497178354Ssam return ipw_enable(sc); 2498178354Ssam 2499178354Ssam config.flags = htole32(IPW_CFG_BSS_MASK | IPW_CFG_IBSS_MASK | 2500178354Ssam IPW_CFG_PREAMBLE_AUTO | IPW_CFG_802_1x_ENABLE); 2501178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS) 2502178354Ssam config.flags |= htole32(IPW_CFG_IBSS_AUTO_START); 2503286437Sadrian if (ifp->if_flags & IFF_PROMISC) 2504178354Ssam config.flags |= htole32(IPW_CFG_PROMISCUOUS); 2505178354Ssam config.bss_chan = htole32(0x3fff); /* channels 1-14 */ 2506178354Ssam config.ibss_chan = htole32(0x7ff); /* channels 1-11 */ 2507178354Ssam DPRINTF(("Setting configuration to 0x%x\n", le32toh(config.flags))); 2508178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_CONFIGURATION, &config, sizeof config); 2509178354Ssam if (error != 0) 2510178354Ssam return error; 2511178354Ssam 2512207926Sbschmidt data = htole32(0xf); /* 1, 2, 5.5, 11 */ 2513178354Ssam DPRINTF(("Setting basic tx rates to 0x%x\n", le32toh(data))); 2514178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_BASIC_TX_RATES, &data, sizeof data); 2515178354Ssam if (error != 0) 2516178354Ssam return error; 2517178354Ssam 2518207926Sbschmidt /* Use the same rate set */ 2519178354Ssam DPRINTF(("Setting msdu tx rates to 0x%x\n", le32toh(data))); 2520178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_MSDU_TX_RATES, &data, sizeof data); 2521178354Ssam if (error != 0) 2522178354Ssam return error; 2523178354Ssam 2524207926Sbschmidt /* Use the same rate set */ 2525178354Ssam DPRINTF(("Setting tx rates to 0x%x\n", le32toh(data))); 2526178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_TX_RATES, &data, sizeof data); 2527178354Ssam if (error != 0) 2528178354Ssam return error; 2529178354Ssam 2530178354Ssam data = htole32(IPW_POWER_MODE_CAM); 2531178354Ssam DPRINTF(("Setting power mode to %u\n", le32toh(data))); 2532178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_POWER_MODE, &data, sizeof data); 2533178354Ssam if (error != 0) 2534178354Ssam return error; 2535178354Ssam 2536178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS) { 2537178354Ssam data = htole32(32); /* default value */ 2538178354Ssam DPRINTF(("Setting tx power index to %u\n", le32toh(data))); 2539178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_TX_POWER_INDEX, &data, 2540178354Ssam sizeof data); 2541178354Ssam if (error != 0) 2542178354Ssam return error; 2543178354Ssam } 2544178354Ssam 2545178354Ssam return 0; 2546178354Ssam} 2547178354Ssam 2548145247Sdamienstatic void 2549145247Sdamienipw_stop(void *priv) 2550145247Sdamien{ 2551145247Sdamien struct ipw_softc *sc = priv; 2552172567Sthompsa 2553172567Sthompsa IPW_LOCK(sc); 2554172567Sthompsa ipw_stop_locked(sc); 2555172567Sthompsa IPW_UNLOCK(sc); 2556172567Sthompsa} 2557172567Sthompsa 2558172567Sthompsastatic void 2559172567Sthompsaipw_stop_locked(struct ipw_softc *sc) 2560172567Sthompsa{ 2561286437Sadrian struct ifnet *ifp = sc->sc_ifp; 2562145247Sdamien int i; 2563145247Sdamien 2564172567Sthompsa IPW_LOCK_ASSERT(sc); 2565156599Sdamien 2566172567Sthompsa callout_stop(&sc->sc_wdtimer); 2567145247Sdamien ipw_stop_master(sc); 2568145247Sdamien 2569145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_SW_RESET); 2570145247Sdamien 2571145247Sdamien /* 2572145247Sdamien * Release tx buffers. 2573145247Sdamien */ 2574145247Sdamien for (i = 0; i < IPW_NTBD; i++) 2575145247Sdamien ipw_release_sbd(sc, &sc->stbd_list[i]); 2576145247Sdamien 2577145247Sdamien sc->sc_tx_timer = 0; 2578286437Sadrian ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 2579145247Sdamien} 2580145247Sdamien 2581145247Sdamienstatic int 2582145247Sdamienipw_sysctl_stats(SYSCTL_HANDLER_ARGS) 2583145247Sdamien{ 2584145247Sdamien struct ipw_softc *sc = arg1; 2585145247Sdamien uint32_t i, size, buf[256]; 2586145247Sdamien 2587174317Sphilip memset(buf, 0, sizeof buf); 2588174317Sphilip 2589174317Sphilip if (!(sc->flags & IPW_FLAG_FW_INITED)) 2590145247Sdamien return SYSCTL_OUT(req, buf, sizeof buf); 2591145247Sdamien 2592145247Sdamien CSR_WRITE_4(sc, IPW_CSR_AUTOINC_ADDR, sc->table1_base); 2593145247Sdamien 2594145247Sdamien size = min(CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA), 256); 2595145247Sdamien for (i = 1; i < size; i++) 2596145247Sdamien buf[i] = MEM_READ_4(sc, CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA)); 2597145247Sdamien 2598174317Sphilip return SYSCTL_OUT(req, buf, size); 2599145247Sdamien} 2600145247Sdamien 2601145247Sdamienstatic int 2602145247Sdamienipw_sysctl_radio(SYSCTL_HANDLER_ARGS) 2603145247Sdamien{ 2604145247Sdamien struct ipw_softc *sc = arg1; 2605145247Sdamien int val; 2606145247Sdamien 2607145247Sdamien val = !((sc->flags & IPW_FLAG_HAS_RADIO_SWITCH) && 2608145247Sdamien (CSR_READ_4(sc, IPW_CSR_IO) & IPW_IO_RADIO_DISABLED)); 2609145247Sdamien 2610145247Sdamien return SYSCTL_OUT(req, &val, sizeof val); 2611145247Sdamien} 2612145247Sdamien 2613145247Sdamienstatic uint32_t 2614145247Sdamienipw_read_table1(struct ipw_softc *sc, uint32_t off) 2615145247Sdamien{ 2616145247Sdamien return MEM_READ_4(sc, MEM_READ_4(sc, sc->table1_base + off)); 2617145247Sdamien} 2618145247Sdamien 2619145247Sdamienstatic void 2620145247Sdamienipw_write_table1(struct ipw_softc *sc, uint32_t off, uint32_t info) 2621145247Sdamien{ 2622145247Sdamien MEM_WRITE_4(sc, MEM_READ_4(sc, sc->table1_base + off), info); 2623145247Sdamien} 2624145247Sdamien 2625172567Sthompsa#if 0 2626145247Sdamienstatic int 2627145247Sdamienipw_read_table2(struct ipw_softc *sc, uint32_t off, void *buf, uint32_t *len) 2628145247Sdamien{ 2629145247Sdamien uint32_t addr, info; 2630145247Sdamien uint16_t count, size; 2631145247Sdamien uint32_t total; 2632145247Sdamien 2633145247Sdamien /* addr[4] + count[2] + size[2] */ 2634145247Sdamien addr = MEM_READ_4(sc, sc->table2_base + off); 2635145247Sdamien info = MEM_READ_4(sc, sc->table2_base + off + 4); 2636145247Sdamien 2637145247Sdamien count = info >> 16; 2638145247Sdamien size = info & 0xffff; 2639145247Sdamien total = count * size; 2640145247Sdamien 2641145247Sdamien if (total > *len) { 2642145247Sdamien *len = total; 2643145247Sdamien return EINVAL; 2644145247Sdamien } 2645145247Sdamien 2646145247Sdamien *len = total; 2647145247Sdamien ipw_read_mem_1(sc, addr, buf, total); 2648145247Sdamien 2649145247Sdamien return 0; 2650145247Sdamien} 2651145247Sdamien 2652145247Sdamienstatic void 2653145247Sdamienipw_read_mem_1(struct ipw_softc *sc, bus_size_t offset, uint8_t *datap, 2654145247Sdamien bus_size_t count) 2655145247Sdamien{ 2656145247Sdamien for (; count > 0; offset++, datap++, count--) { 2657145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INDIRECT_ADDR, offset & ~3); 2658145247Sdamien *datap = CSR_READ_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3)); 2659145247Sdamien } 2660145247Sdamien} 2661172567Sthompsa#endif 2662145247Sdamien 2663145247Sdamienstatic void 2664156599Sdamienipw_write_mem_1(struct ipw_softc *sc, bus_size_t offset, const uint8_t *datap, 2665145247Sdamien bus_size_t count) 2666145247Sdamien{ 2667145247Sdamien for (; count > 0; offset++, datap++, count--) { 2668145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INDIRECT_ADDR, offset & ~3); 2669145247Sdamien CSR_WRITE_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3), *datap); 2670145247Sdamien } 2671145247Sdamien} 2672172567Sthompsa 2673172567Sthompsastatic void 2674172567Sthompsaipw_scan_start(struct ieee80211com *ic) 2675172567Sthompsa{ 2676286865Sadrian struct ipw_softc *sc = ic->ic_softc; 2677172567Sthompsa 2678172567Sthompsa IPW_LOCK(sc); 2679191746Sthompsa ipw_scan(sc); 2680172567Sthompsa IPW_UNLOCK(sc); 2681172567Sthompsa} 2682172567Sthompsa 2683172567Sthompsastatic void 2684172567Sthompsaipw_set_channel(struct ieee80211com *ic) 2685172567Sthompsa{ 2686286865Sadrian struct ipw_softc *sc = ic->ic_softc; 2687172567Sthompsa 2688172567Sthompsa IPW_LOCK(sc); 2689172567Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 2690172567Sthompsa ipw_disable(sc); 2691172567Sthompsa ipw_setchannel(sc, ic->ic_curchan); 2692172567Sthompsa ipw_enable(sc); 2693172567Sthompsa } 2694172567Sthompsa IPW_UNLOCK(sc); 2695172567Sthompsa} 2696172567Sthompsa 2697172567Sthompsastatic void 2698178354Ssamipw_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 2699172567Sthompsa{ 2700172567Sthompsa /* NB: all channels are scanned at once */ 2701172567Sthompsa} 2702172567Sthompsa 2703172567Sthompsastatic void 2704178354Ssamipw_scan_mindwell(struct ieee80211_scan_state *ss) 2705172567Sthompsa{ 2706172567Sthompsa /* NB: don't try to abort scan; wait for firmware to finish */ 2707172567Sthompsa} 2708172567Sthompsa 2709172567Sthompsastatic void 2710172567Sthompsaipw_scan_end(struct ieee80211com *ic) 2711172567Sthompsa{ 2712286865Sadrian struct ipw_softc *sc = ic->ic_softc; 2713172567Sthompsa 2714172567Sthompsa IPW_LOCK(sc); 2715172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 2716172567Sthompsa IPW_UNLOCK(sc); 2717172567Sthompsa} 2718