if_ipw.c revision 206766
1145247Sdamien/* $FreeBSD: head/sys/dev/ipw/if_ipw.c 206766 2010-04-17 18:17:25Z bschmidt $ */ 2145247Sdamien 3145247Sdamien/*- 4156599Sdamien * Copyright (c) 2004-2006 5145247Sdamien * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved. 6172567Sthompsa * Copyright (c) 2006 Sam Leffler, Errno Consulting 7172567Sthompsa * Copyright (c) 2007 Andrew Thompson <thompsa@FreeBSD.org> 8145247Sdamien * 9145247Sdamien * Redistribution and use in source and binary forms, with or without 10145247Sdamien * modification, are permitted provided that the following conditions 11145247Sdamien * are met: 12145247Sdamien * 1. Redistributions of source code must retain the above copyright 13145247Sdamien * notice unmodified, this list of conditions, and the following 14145247Sdamien * disclaimer. 15145247Sdamien * 2. Redistributions in binary form must reproduce the above copyright 16145247Sdamien * notice, this list of conditions and the following disclaimer in the 17145247Sdamien * documentation and/or other materials provided with the distribution. 18145247Sdamien * 19145247Sdamien * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20145247Sdamien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21145247Sdamien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22145247Sdamien * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23145247Sdamien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24145247Sdamien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25145247Sdamien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26145247Sdamien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27145247Sdamien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28145247Sdamien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29145247Sdamien * SUCH DAMAGE. 30145247Sdamien */ 31145247Sdamien 32145247Sdamien#include <sys/cdefs.h> 33145247Sdamien__FBSDID("$FreeBSD: head/sys/dev/ipw/if_ipw.c 206766 2010-04-17 18:17:25Z bschmidt $"); 34145247Sdamien 35145247Sdamien/*- 36145247Sdamien * Intel(R) PRO/Wireless 2100 MiniPCI driver 37145247Sdamien * http://www.intel.com/network/connectivity/products/wireless/prowireless_mobile.htm 38145247Sdamien */ 39145247Sdamien 40145247Sdamien#include <sys/param.h> 41145247Sdamien#include <sys/sysctl.h> 42145247Sdamien#include <sys/sockio.h> 43145247Sdamien#include <sys/mbuf.h> 44145247Sdamien#include <sys/kernel.h> 45145247Sdamien#include <sys/socket.h> 46145247Sdamien#include <sys/systm.h> 47145247Sdamien#include <sys/malloc.h> 48156599Sdamien#include <sys/queue.h> 49156599Sdamien#include <sys/taskqueue.h> 50145247Sdamien#include <sys/module.h> 51145247Sdamien#include <sys/bus.h> 52145247Sdamien#include <sys/endian.h> 53156599Sdamien#include <sys/linker.h> 54156599Sdamien#include <sys/firmware.h> 55145247Sdamien 56145247Sdamien#include <machine/bus.h> 57145247Sdamien#include <machine/resource.h> 58145247Sdamien#include <sys/rman.h> 59145247Sdamien 60145247Sdamien#include <dev/pci/pcireg.h> 61145247Sdamien#include <dev/pci/pcivar.h> 62145247Sdamien 63145247Sdamien#include <net/bpf.h> 64145247Sdamien#include <net/if.h> 65145247Sdamien#include <net/if_arp.h> 66145247Sdamien#include <net/ethernet.h> 67145247Sdamien#include <net/if_dl.h> 68145247Sdamien#include <net/if_media.h> 69145247Sdamien#include <net/if_types.h> 70145247Sdamien 71156599Sdamien#include <net80211/ieee80211_var.h> 72156599Sdamien#include <net80211/ieee80211_radiotap.h> 73156599Sdamien 74145247Sdamien#include <netinet/in.h> 75145247Sdamien#include <netinet/in_systm.h> 76145247Sdamien#include <netinet/in_var.h> 77145247Sdamien#include <netinet/ip.h> 78145247Sdamien#include <netinet/if_ether.h> 79145247Sdamien 80145247Sdamien#include <dev/ipw/if_ipwreg.h> 81145247Sdamien#include <dev/ipw/if_ipwvar.h> 82145247Sdamien 83172567Sthompsa#define IPW_DEBUG 84145247Sdamien#ifdef IPW_DEBUG 85145247Sdamien#define DPRINTF(x) do { if (ipw_debug > 0) printf x; } while (0) 86145247Sdamien#define DPRINTFN(n, x) do { if (ipw_debug >= (n)) printf x; } while (0) 87145247Sdamienint ipw_debug = 0; 88145247SdamienSYSCTL_INT(_debug, OID_AUTO, ipw, CTLFLAG_RW, &ipw_debug, 0, "ipw debug level"); 89145247Sdamien#else 90145247Sdamien#define DPRINTF(x) 91145247Sdamien#define DPRINTFN(n, x) 92145247Sdamien#endif 93145247Sdamien 94145247SdamienMODULE_DEPEND(ipw, pci, 1, 1, 1); 95145247SdamienMODULE_DEPEND(ipw, wlan, 1, 1, 1); 96156599SdamienMODULE_DEPEND(ipw, firmware, 1, 1, 1); 97145247Sdamien 98145247Sdamienstruct ipw_ident { 99145247Sdamien uint16_t vendor; 100145247Sdamien uint16_t device; 101145247Sdamien const char *name; 102145247Sdamien}; 103145247Sdamien 104145247Sdamienstatic const struct ipw_ident ipw_ident_table[] = { 105145247Sdamien { 0x8086, 0x1043, "Intel(R) PRO/Wireless 2100 MiniPCI" }, 106145247Sdamien 107145247Sdamien { 0, 0, NULL } 108145247Sdamien}; 109145247Sdamien 110178354Ssamstatic struct ieee80211vap *ipw_vap_create(struct ieee80211com *, 111178354Ssam const char name[IFNAMSIZ], int unit, int opmode, int flags, 112178354Ssam const uint8_t bssid[IEEE80211_ADDR_LEN], 113178354Ssam const uint8_t mac[IEEE80211_ADDR_LEN]); 114178354Ssamstatic void ipw_vap_delete(struct ieee80211vap *); 115145247Sdamienstatic int ipw_dma_alloc(struct ipw_softc *); 116145247Sdamienstatic void ipw_release(struct ipw_softc *); 117145247Sdamienstatic void ipw_media_status(struct ifnet *, struct ifmediareq *); 118178354Ssamstatic int ipw_newstate(struct ieee80211vap *, enum ieee80211_state, int); 119145247Sdamienstatic uint16_t ipw_read_prom_word(struct ipw_softc *, uint8_t); 120172567Sthompsastatic void ipw_rx_cmd_intr(struct ipw_softc *, struct ipw_soft_buf *); 121172567Sthompsastatic void ipw_rx_newstate_intr(struct ipw_softc *, struct ipw_soft_buf *); 122172567Sthompsastatic void ipw_rx_data_intr(struct ipw_softc *, struct ipw_status *, 123145247Sdamien struct ipw_soft_bd *, struct ipw_soft_buf *); 124145247Sdamienstatic void ipw_rx_intr(struct ipw_softc *); 125145247Sdamienstatic void ipw_release_sbd(struct ipw_softc *, struct ipw_soft_bd *); 126145247Sdamienstatic void ipw_tx_intr(struct ipw_softc *); 127145247Sdamienstatic void ipw_intr(void *); 128145247Sdamienstatic void ipw_dma_map_addr(void *, bus_dma_segment_t *, int, int); 129172567Sthompsastatic const char * ipw_cmdname(int); 130145247Sdamienstatic int ipw_cmd(struct ipw_softc *, uint32_t, void *, uint32_t); 131145247Sdamienstatic int ipw_tx_start(struct ifnet *, struct mbuf *, 132145247Sdamien struct ieee80211_node *); 133178354Ssamstatic int ipw_raw_xmit(struct ieee80211_node *, struct mbuf *, 134178354Ssam const struct ieee80211_bpf_params *); 135145247Sdamienstatic void ipw_start(struct ifnet *); 136172567Sthompsastatic void ipw_start_locked(struct ifnet *); 137172567Sthompsastatic void ipw_watchdog(void *); 138145247Sdamienstatic int ipw_ioctl(struct ifnet *, u_long, caddr_t); 139145247Sdamienstatic void ipw_stop_master(struct ipw_softc *); 140172567Sthompsastatic int ipw_enable(struct ipw_softc *); 141172567Sthompsastatic int ipw_disable(struct ipw_softc *); 142145247Sdamienstatic int ipw_reset(struct ipw_softc *); 143156599Sdamienstatic int ipw_load_ucode(struct ipw_softc *, const char *, int); 144156599Sdamienstatic int ipw_load_firmware(struct ipw_softc *, const char *, int); 145145247Sdamienstatic int ipw_config(struct ipw_softc *); 146191746Sthompsastatic void ipw_assoc(struct ieee80211com *, struct ieee80211vap *); 147191746Sthompsastatic void ipw_disassoc(struct ieee80211com *, struct ieee80211vap *); 148156599Sdamienstatic void ipw_init_task(void *, int); 149145247Sdamienstatic void ipw_init(void *); 150178354Ssamstatic void ipw_init_locked(struct ipw_softc *); 151145247Sdamienstatic void ipw_stop(void *); 152172567Sthompsastatic void ipw_stop_locked(struct ipw_softc *); 153145247Sdamienstatic int ipw_sysctl_stats(SYSCTL_HANDLER_ARGS); 154145247Sdamienstatic int ipw_sysctl_radio(SYSCTL_HANDLER_ARGS); 155145247Sdamienstatic uint32_t ipw_read_table1(struct ipw_softc *, uint32_t); 156145247Sdamienstatic void ipw_write_table1(struct ipw_softc *, uint32_t, uint32_t); 157172567Sthompsa#if 0 158145247Sdamienstatic int ipw_read_table2(struct ipw_softc *, uint32_t, void *, 159145247Sdamien uint32_t *); 160145247Sdamienstatic void ipw_read_mem_1(struct ipw_softc *, bus_size_t, uint8_t *, 161145247Sdamien bus_size_t); 162172567Sthompsa#endif 163156599Sdamienstatic void ipw_write_mem_1(struct ipw_softc *, bus_size_t, 164156599Sdamien const uint8_t *, bus_size_t); 165172567Sthompsastatic int ipw_scan(struct ipw_softc *); 166172567Sthompsastatic void ipw_scan_start(struct ieee80211com *); 167172567Sthompsastatic void ipw_scan_end(struct ieee80211com *); 168172567Sthompsastatic void ipw_set_channel(struct ieee80211com *); 169178354Ssamstatic void ipw_scan_curchan(struct ieee80211_scan_state *, 170178354Ssam unsigned long maxdwell); 171178354Ssamstatic void ipw_scan_mindwell(struct ieee80211_scan_state *); 172145247Sdamien 173145247Sdamienstatic int ipw_probe(device_t); 174145247Sdamienstatic int ipw_attach(device_t); 175145247Sdamienstatic int ipw_detach(device_t); 176145247Sdamienstatic int ipw_shutdown(device_t); 177145247Sdamienstatic int ipw_suspend(device_t); 178145247Sdamienstatic int ipw_resume(device_t); 179145247Sdamien 180145247Sdamienstatic device_method_t ipw_methods[] = { 181145247Sdamien /* Device interface */ 182145247Sdamien DEVMETHOD(device_probe, ipw_probe), 183145247Sdamien DEVMETHOD(device_attach, ipw_attach), 184145247Sdamien DEVMETHOD(device_detach, ipw_detach), 185145247Sdamien DEVMETHOD(device_shutdown, ipw_shutdown), 186145247Sdamien DEVMETHOD(device_suspend, ipw_suspend), 187145247Sdamien DEVMETHOD(device_resume, ipw_resume), 188145247Sdamien 189145247Sdamien { 0, 0 } 190145247Sdamien}; 191145247Sdamien 192145247Sdamienstatic driver_t ipw_driver = { 193145247Sdamien "ipw", 194145247Sdamien ipw_methods, 195145247Sdamien sizeof (struct ipw_softc) 196145247Sdamien}; 197145247Sdamien 198145247Sdamienstatic devclass_t ipw_devclass; 199145247Sdamien 200145247SdamienDRIVER_MODULE(ipw, pci, ipw_driver, ipw_devclass, 0, 0); 201145247Sdamien 202145247Sdamienstatic int 203145247Sdamienipw_probe(device_t dev) 204145247Sdamien{ 205145247Sdamien const struct ipw_ident *ident; 206145247Sdamien 207145247Sdamien for (ident = ipw_ident_table; ident->name != NULL; ident++) { 208145247Sdamien if (pci_get_vendor(dev) == ident->vendor && 209145247Sdamien pci_get_device(dev) == ident->device) { 210145247Sdamien device_set_desc(dev, ident->name); 211145247Sdamien return 0; 212145247Sdamien } 213145247Sdamien } 214145247Sdamien return ENXIO; 215145247Sdamien} 216145247Sdamien 217145247Sdamien/* Base Address Register */ 218145247Sdamien#define IPW_PCI_BAR0 0x10 219145247Sdamien 220145247Sdamienstatic int 221145247Sdamienipw_attach(device_t dev) 222145247Sdamien{ 223145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 224147256Sbrooks struct ifnet *ifp; 225178354Ssam struct ieee80211com *ic; 226170530Ssam struct ieee80211_channel *c; 227145247Sdamien uint16_t val; 228145247Sdamien int error, i; 229190526Ssam uint8_t macaddr[IEEE80211_ADDR_LEN]; 230145247Sdamien 231145247Sdamien sc->sc_dev = dev; 232145247Sdamien 233145247Sdamien mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 234145247Sdamien MTX_DEF | MTX_RECURSE); 235145247Sdamien 236156599Sdamien TASK_INIT(&sc->sc_init_task, 0, ipw_init_task, sc); 237172567Sthompsa callout_init_mtx(&sc->sc_wdtimer, &sc->sc_mtx, 0); 238156599Sdamien 239145247Sdamien if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) { 240145247Sdamien device_printf(dev, "chip is in D%d power mode " 241145247Sdamien "-- setting to D0\n", pci_get_powerstate(dev)); 242145247Sdamien pci_set_powerstate(dev, PCI_POWERSTATE_D0); 243145247Sdamien } 244145247Sdamien 245146498Sdamien pci_write_config(dev, 0x41, 0, 1); 246146498Sdamien 247145247Sdamien /* enable bus-mastering */ 248145247Sdamien pci_enable_busmaster(dev); 249145247Sdamien 250145247Sdamien sc->mem_rid = IPW_PCI_BAR0; 251145247Sdamien sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid, 252145247Sdamien RF_ACTIVE); 253145247Sdamien if (sc->mem == NULL) { 254145247Sdamien device_printf(dev, "could not allocate memory resource\n"); 255145247Sdamien goto fail; 256145247Sdamien } 257145247Sdamien 258145247Sdamien sc->sc_st = rman_get_bustag(sc->mem); 259145247Sdamien sc->sc_sh = rman_get_bushandle(sc->mem); 260145247Sdamien 261145247Sdamien sc->irq_rid = 0; 262145247Sdamien sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, 263145247Sdamien RF_ACTIVE | RF_SHAREABLE); 264145247Sdamien if (sc->irq == NULL) { 265145247Sdamien device_printf(dev, "could not allocate interrupt resource\n"); 266178354Ssam goto fail1; 267145247Sdamien } 268145247Sdamien 269145247Sdamien if (ipw_reset(sc) != 0) { 270145247Sdamien device_printf(dev, "could not reset adapter\n"); 271178354Ssam goto fail2; 272145247Sdamien } 273145247Sdamien 274145247Sdamien if (ipw_dma_alloc(sc) != 0) { 275145247Sdamien device_printf(dev, "could not allocate DMA resources\n"); 276178354Ssam goto fail2; 277145247Sdamien } 278147757Sdamien 279178354Ssam ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 280147256Sbrooks if (ifp == NULL) { 281147256Sbrooks device_printf(dev, "can not if_alloc()\n"); 282178354Ssam goto fail3; 283147256Sbrooks } 284178354Ssam ic = ifp->if_l2com; 285147757Sdamien 286145247Sdamien ifp->if_softc = sc; 287145247Sdamien if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 288145247Sdamien ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 289145247Sdamien ifp->if_init = ipw_init; 290145247Sdamien ifp->if_ioctl = ipw_ioctl; 291145247Sdamien ifp->if_start = ipw_start; 292145247Sdamien IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 293145247Sdamien ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN; 294145247Sdamien IFQ_SET_READY(&ifp->if_snd); 295145247Sdamien 296145247Sdamien ic->ic_ifp = ifp; 297178354Ssam ic->ic_opmode = IEEE80211_M_STA; 298145247Sdamien ic->ic_phytype = IEEE80211_T_DS; 299145247Sdamien 300145247Sdamien /* set device capabilities */ 301178957Ssam ic->ic_caps = 302178957Ssam IEEE80211_C_STA /* station mode supported */ 303178957Ssam | IEEE80211_C_IBSS /* IBSS mode supported */ 304172567Sthompsa | IEEE80211_C_MONITOR /* monitor mode supported */ 305172567Sthompsa | IEEE80211_C_PMGT /* power save supported */ 306172567Sthompsa | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 307172567Sthompsa | IEEE80211_C_WPA /* 802.11i supported */ 308172567Sthompsa ; 309145247Sdamien 310145247Sdamien /* read MAC address from EEPROM */ 311145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 0); 312190526Ssam macaddr[0] = val >> 8; 313190526Ssam macaddr[1] = val & 0xff; 314145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 1); 315190526Ssam macaddr[2] = val >> 8; 316190526Ssam macaddr[3] = val & 0xff; 317145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 2); 318190526Ssam macaddr[4] = val >> 8; 319190526Ssam macaddr[5] = val & 0xff; 320145247Sdamien 321170530Ssam /* set supported .11b channels (read from EEPROM) */ 322170530Ssam if ((val = ipw_read_prom_word(sc, IPW_EEPROM_CHANNEL_LIST)) == 0) 323170530Ssam val = 0x7ff; /* default to channels 1-11 */ 324170530Ssam val <<= 1; 325170530Ssam for (i = 1; i < 16; i++) { 326170530Ssam if (val & (1 << i)) { 327170530Ssam c = &ic->ic_channels[ic->ic_nchans++]; 328170530Ssam c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 329170530Ssam c->ic_flags = IEEE80211_CHAN_B; 330170530Ssam c->ic_ieee = i; 331170530Ssam } 332145247Sdamien } 333145247Sdamien 334145247Sdamien /* check support for radio transmitter switch in EEPROM */ 335145247Sdamien if (!(ipw_read_prom_word(sc, IPW_EEPROM_RADIO) & 8)) 336145247Sdamien sc->flags |= IPW_FLAG_HAS_RADIO_SWITCH; 337145247Sdamien 338190526Ssam ieee80211_ifattach(ic, macaddr); 339172567Sthompsa ic->ic_scan_start = ipw_scan_start; 340172567Sthompsa ic->ic_scan_end = ipw_scan_end; 341172567Sthompsa ic->ic_set_channel = ipw_set_channel; 342172567Sthompsa ic->ic_scan_curchan = ipw_scan_curchan; 343172567Sthompsa ic->ic_scan_mindwell = ipw_scan_mindwell; 344178354Ssam ic->ic_raw_xmit = ipw_raw_xmit; 345172567Sthompsa 346178354Ssam ic->ic_vap_create = ipw_vap_create; 347178354Ssam ic->ic_vap_delete = ipw_vap_delete; 348145247Sdamien 349192468Ssam ieee80211_radiotap_attach(ic, 350192468Ssam &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 351192468Ssam IPW_TX_RADIOTAP_PRESENT, 352192468Ssam &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 353192468Ssam IPW_RX_RADIOTAP_PRESENT); 354178354Ssam 355145247Sdamien /* 356145247Sdamien * Add a few sysctl knobs. 357145247Sdamien */ 358145247Sdamien SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 359145247Sdamien SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "radio", 360145247Sdamien CTLTYPE_INT | CTLFLAG_RD, sc, 0, ipw_sysctl_radio, "I", 361145247Sdamien "radio transmitter switch state (0=off, 1=on)"); 362145247Sdamien 363145247Sdamien SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 364145247Sdamien SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "stats", 365145247Sdamien CTLTYPE_OPAQUE | CTLFLAG_RD, sc, 0, ipw_sysctl_stats, "S", 366145247Sdamien "statistics"); 367145247Sdamien 368145247Sdamien /* 369145247Sdamien * Hook our interrupt after all initialization is complete. 370145247Sdamien */ 371145247Sdamien error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 372166901Spiso NULL, ipw_intr, sc, &sc->sc_ih); 373145247Sdamien if (error != 0) { 374145247Sdamien device_printf(dev, "could not set up interrupt\n"); 375178354Ssam goto fail4; 376145247Sdamien } 377145247Sdamien 378145247Sdamien if (bootverbose) 379145247Sdamien ieee80211_announce(ic); 380145247Sdamien 381145247Sdamien return 0; 382178354Ssamfail4: 383178354Ssam if_free(ifp); 384178354Ssamfail3: 385178354Ssam ipw_release(sc); 386178354Ssamfail2: 387178354Ssam bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq); 388178354Ssamfail1: 389178354Ssam bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem); 390178354Ssamfail: 391178354Ssam mtx_destroy(&sc->sc_mtx); 392145247Sdamien return ENXIO; 393145247Sdamien} 394145247Sdamien 395145247Sdamienstatic int 396145247Sdamienipw_detach(device_t dev) 397145247Sdamien{ 398145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 399178354Ssam struct ifnet *ifp = sc->sc_ifp; 400178354Ssam struct ieee80211com *ic = ifp->if_l2com; 401145247Sdamien 402191912Sthompsa ieee80211_draintask(ic, &sc->sc_init_task); 403145247Sdamien ipw_stop(sc); 404178354Ssam 405178354Ssam ieee80211_ifdetach(ic); 406178354Ssam 407172567Sthompsa callout_drain(&sc->sc_wdtimer); 408145247Sdamien 409145247Sdamien ipw_release(sc); 410145247Sdamien 411178354Ssam bus_teardown_intr(dev, sc->irq, sc->sc_ih); 412178354Ssam bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq); 413145247Sdamien 414178354Ssam bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem); 415156599Sdamien 416178354Ssam if_free(ifp); 417145247Sdamien 418159487Siedowse if (sc->sc_firmware != NULL) { 419159487Siedowse firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 420159487Siedowse sc->sc_firmware = NULL; 421159487Siedowse } 422159487Siedowse 423145247Sdamien mtx_destroy(&sc->sc_mtx); 424145247Sdamien 425145247Sdamien return 0; 426145247Sdamien} 427145247Sdamien 428178354Ssamstatic struct ieee80211vap * 429178354Ssamipw_vap_create(struct ieee80211com *ic, 430178354Ssam const char name[IFNAMSIZ], int unit, int opmode, int flags, 431178354Ssam const uint8_t bssid[IEEE80211_ADDR_LEN], 432178354Ssam const uint8_t mac[IEEE80211_ADDR_LEN]) 433178354Ssam{ 434178354Ssam struct ifnet *ifp = ic->ic_ifp; 435178354Ssam struct ipw_softc *sc = ifp->if_softc; 436178354Ssam struct ipw_vap *ivp; 437178354Ssam struct ieee80211vap *vap; 438178354Ssam const struct firmware *fp; 439178354Ssam const struct ipw_firmware_hdr *hdr; 440178354Ssam const char *imagename; 441178354Ssam 442178354Ssam if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 443178354Ssam return NULL; 444178354Ssam 445178354Ssam switch (opmode) { 446178354Ssam case IEEE80211_M_STA: 447178354Ssam imagename = "ipw_bss"; 448178354Ssam break; 449178354Ssam case IEEE80211_M_IBSS: 450178354Ssam imagename = "ipw_ibss"; 451178354Ssam break; 452178354Ssam case IEEE80211_M_MONITOR: 453178354Ssam imagename = "ipw_monitor"; 454178354Ssam break; 455178354Ssam default: 456178354Ssam return NULL; 457178354Ssam } 458178354Ssam 459178354Ssam /* 460178354Ssam * Load firmware image using the firmware(9) subsystem. Doing 461178354Ssam * this unlocked is ok since we're single-threaded by the 462178354Ssam * 802.11 layer. 463178354Ssam */ 464178354Ssam if (sc->sc_firmware == NULL || 465178354Ssam strcmp(sc->sc_firmware->name, imagename) != 0) { 466178354Ssam if (sc->sc_firmware != NULL) 467178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 468178354Ssam sc->sc_firmware = firmware_get(imagename); 469178354Ssam } 470178354Ssam if (sc->sc_firmware == NULL) { 471178354Ssam device_printf(sc->sc_dev, 472178354Ssam "could not load firmware image '%s'\n", imagename); 473178354Ssam return NULL; 474178354Ssam } 475178354Ssam fp = sc->sc_firmware; 476178354Ssam if (fp->datasize < sizeof *hdr) { 477178354Ssam device_printf(sc->sc_dev, 478178354Ssam "firmware image too short %zu\n", fp->datasize); 479178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 480178354Ssam sc->sc_firmware = NULL; 481178354Ssam return NULL; 482178354Ssam } 483178354Ssam hdr = (const struct ipw_firmware_hdr *)fp->data; 484178354Ssam if (fp->datasize < sizeof *hdr + le32toh(hdr->mainsz) + 485178354Ssam le32toh(hdr->ucodesz)) { 486178354Ssam device_printf(sc->sc_dev, 487178354Ssam "firmware image too short %zu\n", fp->datasize); 488178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 489178354Ssam sc->sc_firmware = NULL; 490178354Ssam return NULL; 491178354Ssam } 492178354Ssam 493178354Ssam ivp = (struct ipw_vap *) malloc(sizeof(struct ipw_vap), 494178354Ssam M_80211_VAP, M_NOWAIT | M_ZERO); 495178354Ssam if (ivp == NULL) 496178354Ssam return NULL; 497178354Ssam vap = &ivp->vap; 498178354Ssam 499178354Ssam ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 500178354Ssam /* override with driver methods */ 501178354Ssam ivp->newstate = vap->iv_newstate; 502178354Ssam vap->iv_newstate = ipw_newstate; 503178354Ssam 504178354Ssam /* complete setup */ 505178354Ssam ieee80211_vap_attach(vap, ieee80211_media_change, ipw_media_status); 506178354Ssam ic->ic_opmode = opmode; 507178354Ssam return vap; 508178354Ssam} 509178354Ssam 510178354Ssamstatic void 511178354Ssamipw_vap_delete(struct ieee80211vap *vap) 512178354Ssam{ 513178354Ssam struct ipw_vap *ivp = IPW_VAP(vap); 514178354Ssam 515178354Ssam ieee80211_vap_detach(vap); 516178354Ssam free(ivp, M_80211_VAP); 517178354Ssam} 518178354Ssam 519145247Sdamienstatic int 520145247Sdamienipw_dma_alloc(struct ipw_softc *sc) 521145247Sdamien{ 522145247Sdamien struct ipw_soft_bd *sbd; 523145247Sdamien struct ipw_soft_hdr *shdr; 524145247Sdamien struct ipw_soft_buf *sbuf; 525145247Sdamien bus_addr_t physaddr; 526145247Sdamien int error, i; 527145247Sdamien 528145247Sdamien /* 529145247Sdamien * Allocate and map tx ring. 530145247Sdamien */ 531145247Sdamien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 532145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_TBD_SZ, 1, IPW_TBD_SZ, 0, NULL, 533145247Sdamien NULL, &sc->tbd_dmat); 534145247Sdamien if (error != 0) { 535145247Sdamien device_printf(sc->sc_dev, "could not create tx ring DMA tag\n"); 536145247Sdamien goto fail; 537145247Sdamien } 538145247Sdamien 539145247Sdamien error = bus_dmamem_alloc(sc->tbd_dmat, (void **)&sc->tbd_list, 540145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->tbd_map); 541145247Sdamien if (error != 0) { 542145247Sdamien device_printf(sc->sc_dev, 543145247Sdamien "could not allocate tx ring DMA memory\n"); 544145247Sdamien goto fail; 545145247Sdamien } 546145247Sdamien 547145247Sdamien error = bus_dmamap_load(sc->tbd_dmat, sc->tbd_map, sc->tbd_list, 548145247Sdamien IPW_TBD_SZ, ipw_dma_map_addr, &sc->tbd_phys, 0); 549145247Sdamien if (error != 0) { 550145247Sdamien device_printf(sc->sc_dev, "could not map tx ring DMA memory\n"); 551145247Sdamien goto fail; 552145247Sdamien } 553145247Sdamien 554145247Sdamien /* 555145247Sdamien * Allocate and map rx ring. 556145247Sdamien */ 557145247Sdamien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 558145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_RBD_SZ, 1, IPW_RBD_SZ, 0, NULL, 559145247Sdamien NULL, &sc->rbd_dmat); 560145247Sdamien if (error != 0) { 561145247Sdamien device_printf(sc->sc_dev, "could not create rx ring DMA tag\n"); 562145247Sdamien goto fail; 563145247Sdamien } 564145247Sdamien 565145247Sdamien error = bus_dmamem_alloc(sc->rbd_dmat, (void **)&sc->rbd_list, 566145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->rbd_map); 567145247Sdamien if (error != 0) { 568145247Sdamien device_printf(sc->sc_dev, 569145247Sdamien "could not allocate rx ring DMA memory\n"); 570145247Sdamien goto fail; 571145247Sdamien } 572145247Sdamien 573145247Sdamien error = bus_dmamap_load(sc->rbd_dmat, sc->rbd_map, sc->rbd_list, 574145247Sdamien IPW_RBD_SZ, ipw_dma_map_addr, &sc->rbd_phys, 0); 575145247Sdamien if (error != 0) { 576145247Sdamien device_printf(sc->sc_dev, "could not map rx ring DMA memory\n"); 577145247Sdamien goto fail; 578145247Sdamien } 579145247Sdamien 580145247Sdamien /* 581145247Sdamien * Allocate and map status ring. 582145247Sdamien */ 583145247Sdamien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 584145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_STATUS_SZ, 1, IPW_STATUS_SZ, 0, 585145247Sdamien NULL, NULL, &sc->status_dmat); 586145247Sdamien if (error != 0) { 587145247Sdamien device_printf(sc->sc_dev, 588145247Sdamien "could not create status ring DMA tag\n"); 589145247Sdamien goto fail; 590145247Sdamien } 591145247Sdamien 592145247Sdamien error = bus_dmamem_alloc(sc->status_dmat, (void **)&sc->status_list, 593145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->status_map); 594145247Sdamien if (error != 0) { 595145247Sdamien device_printf(sc->sc_dev, 596145247Sdamien "could not allocate status ring DMA memory\n"); 597145247Sdamien goto fail; 598145247Sdamien } 599145247Sdamien 600145247Sdamien error = bus_dmamap_load(sc->status_dmat, sc->status_map, 601145247Sdamien sc->status_list, IPW_STATUS_SZ, ipw_dma_map_addr, &sc->status_phys, 602145247Sdamien 0); 603145247Sdamien if (error != 0) { 604145247Sdamien device_printf(sc->sc_dev, 605145247Sdamien "could not map status ring DMA memory\n"); 606145247Sdamien goto fail; 607145247Sdamien } 608145247Sdamien 609145247Sdamien /* 610145247Sdamien * Allocate command DMA map. 611145247Sdamien */ 612145247Sdamien error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT, 613145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, sizeof (struct ipw_cmd), 1, 614145247Sdamien sizeof (struct ipw_cmd), 0, NULL, NULL, &sc->cmd_dmat); 615145247Sdamien if (error != 0) { 616145247Sdamien device_printf(sc->sc_dev, "could not create command DMA tag\n"); 617145247Sdamien goto fail; 618145247Sdamien } 619145247Sdamien 620145247Sdamien error = bus_dmamap_create(sc->cmd_dmat, 0, &sc->cmd_map); 621145247Sdamien if (error != 0) { 622145247Sdamien device_printf(sc->sc_dev, 623145247Sdamien "could not create command DMA map\n"); 624145247Sdamien goto fail; 625145247Sdamien } 626145247Sdamien 627145247Sdamien /* 628145247Sdamien * Allocate headers DMA maps. 629145247Sdamien */ 630145247Sdamien error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT, 631145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, sizeof (struct ipw_hdr), 1, 632145247Sdamien sizeof (struct ipw_hdr), 0, NULL, NULL, &sc->hdr_dmat); 633145247Sdamien if (error != 0) { 634145247Sdamien device_printf(sc->sc_dev, "could not create header DMA tag\n"); 635145247Sdamien goto fail; 636145247Sdamien } 637145247Sdamien 638145247Sdamien SLIST_INIT(&sc->free_shdr); 639145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 640145247Sdamien shdr = &sc->shdr_list[i]; 641145247Sdamien error = bus_dmamap_create(sc->hdr_dmat, 0, &shdr->map); 642145247Sdamien if (error != 0) { 643145247Sdamien device_printf(sc->sc_dev, 644145247Sdamien "could not create header DMA map\n"); 645145247Sdamien goto fail; 646145247Sdamien } 647145247Sdamien SLIST_INSERT_HEAD(&sc->free_shdr, shdr, next); 648145247Sdamien } 649145247Sdamien 650145247Sdamien /* 651145247Sdamien * Allocate tx buffers DMA maps. 652145247Sdamien */ 653145247Sdamien error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT, 654145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, IPW_MAX_NSEG, MCLBYTES, 0, 655145247Sdamien NULL, NULL, &sc->txbuf_dmat); 656145247Sdamien if (error != 0) { 657145247Sdamien device_printf(sc->sc_dev, "could not create tx DMA tag\n"); 658145247Sdamien goto fail; 659145247Sdamien } 660145247Sdamien 661145247Sdamien SLIST_INIT(&sc->free_sbuf); 662145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 663145247Sdamien sbuf = &sc->tx_sbuf_list[i]; 664145247Sdamien error = bus_dmamap_create(sc->txbuf_dmat, 0, &sbuf->map); 665145247Sdamien if (error != 0) { 666145247Sdamien device_printf(sc->sc_dev, 667145247Sdamien "could not create tx DMA map\n"); 668145247Sdamien goto fail; 669145247Sdamien } 670145247Sdamien SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next); 671145247Sdamien } 672145247Sdamien 673145247Sdamien /* 674145247Sdamien * Initialize tx ring. 675145247Sdamien */ 676145247Sdamien for (i = 0; i < IPW_NTBD; i++) { 677145247Sdamien sbd = &sc->stbd_list[i]; 678145247Sdamien sbd->bd = &sc->tbd_list[i]; 679145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 680145247Sdamien } 681145247Sdamien 682145247Sdamien /* 683145247Sdamien * Pre-allocate rx buffers and DMA maps. 684145247Sdamien */ 685145247Sdamien error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT, 686147841Sdamien BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1, MCLBYTES, 0, NULL, 687147841Sdamien NULL, &sc->rxbuf_dmat); 688145247Sdamien if (error != 0) { 689145247Sdamien device_printf(sc->sc_dev, "could not create rx DMA tag\n"); 690145247Sdamien goto fail; 691145247Sdamien } 692145247Sdamien 693145247Sdamien for (i = 0; i < IPW_NRBD; i++) { 694145247Sdamien sbd = &sc->srbd_list[i]; 695145247Sdamien sbuf = &sc->rx_sbuf_list[i]; 696145247Sdamien sbd->bd = &sc->rbd_list[i]; 697145247Sdamien 698145247Sdamien sbuf->m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 699145247Sdamien if (sbuf->m == NULL) { 700145247Sdamien device_printf(sc->sc_dev, 701145247Sdamien "could not allocate rx mbuf\n"); 702145247Sdamien error = ENOMEM; 703145247Sdamien goto fail; 704145247Sdamien } 705145247Sdamien 706145247Sdamien error = bus_dmamap_create(sc->rxbuf_dmat, 0, &sbuf->map); 707145247Sdamien if (error != 0) { 708145247Sdamien device_printf(sc->sc_dev, 709145247Sdamien "could not create rx DMA map\n"); 710145247Sdamien goto fail; 711145247Sdamien } 712145247Sdamien 713145247Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, 714145247Sdamien mtod(sbuf->m, void *), MCLBYTES, ipw_dma_map_addr, 715145247Sdamien &physaddr, 0); 716145247Sdamien if (error != 0) { 717145247Sdamien device_printf(sc->sc_dev, 718145247Sdamien "could not map rx DMA memory\n"); 719145247Sdamien goto fail; 720145247Sdamien } 721145247Sdamien 722145247Sdamien sbd->type = IPW_SBD_TYPE_DATA; 723145247Sdamien sbd->priv = sbuf; 724145247Sdamien sbd->bd->physaddr = htole32(physaddr); 725145247Sdamien sbd->bd->len = htole32(MCLBYTES); 726145247Sdamien } 727145247Sdamien 728145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 729145247Sdamien 730145247Sdamien return 0; 731145247Sdamien 732145247Sdamienfail: ipw_release(sc); 733145247Sdamien return error; 734145247Sdamien} 735145247Sdamien 736145247Sdamienstatic void 737145247Sdamienipw_release(struct ipw_softc *sc) 738145247Sdamien{ 739145247Sdamien struct ipw_soft_buf *sbuf; 740145247Sdamien int i; 741145247Sdamien 742145247Sdamien if (sc->tbd_dmat != NULL) { 743145247Sdamien if (sc->stbd_list != NULL) { 744145247Sdamien bus_dmamap_unload(sc->tbd_dmat, sc->tbd_map); 745145247Sdamien bus_dmamem_free(sc->tbd_dmat, sc->tbd_list, 746145247Sdamien sc->tbd_map); 747145247Sdamien } 748145247Sdamien bus_dma_tag_destroy(sc->tbd_dmat); 749145247Sdamien } 750145247Sdamien 751145247Sdamien if (sc->rbd_dmat != NULL) { 752145247Sdamien if (sc->rbd_list != NULL) { 753145247Sdamien bus_dmamap_unload(sc->rbd_dmat, sc->rbd_map); 754145247Sdamien bus_dmamem_free(sc->rbd_dmat, sc->rbd_list, 755145247Sdamien sc->rbd_map); 756145247Sdamien } 757145247Sdamien bus_dma_tag_destroy(sc->rbd_dmat); 758145247Sdamien } 759145247Sdamien 760145247Sdamien if (sc->status_dmat != NULL) { 761145247Sdamien if (sc->status_list != NULL) { 762145247Sdamien bus_dmamap_unload(sc->status_dmat, sc->status_map); 763145247Sdamien bus_dmamem_free(sc->status_dmat, sc->status_list, 764145247Sdamien sc->status_map); 765145247Sdamien } 766145247Sdamien bus_dma_tag_destroy(sc->status_dmat); 767145247Sdamien } 768145247Sdamien 769145247Sdamien for (i = 0; i < IPW_NTBD; i++) 770145247Sdamien ipw_release_sbd(sc, &sc->stbd_list[i]); 771145247Sdamien 772145247Sdamien if (sc->cmd_dmat != NULL) { 773145247Sdamien bus_dmamap_destroy(sc->cmd_dmat, sc->cmd_map); 774145247Sdamien bus_dma_tag_destroy(sc->cmd_dmat); 775145247Sdamien } 776145247Sdamien 777145247Sdamien if (sc->hdr_dmat != NULL) { 778145247Sdamien for (i = 0; i < IPW_NDATA; i++) 779145247Sdamien bus_dmamap_destroy(sc->hdr_dmat, sc->shdr_list[i].map); 780145247Sdamien bus_dma_tag_destroy(sc->hdr_dmat); 781145247Sdamien } 782145247Sdamien 783145247Sdamien if (sc->txbuf_dmat != NULL) { 784145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 785145247Sdamien bus_dmamap_destroy(sc->txbuf_dmat, 786145247Sdamien sc->tx_sbuf_list[i].map); 787145247Sdamien } 788145247Sdamien bus_dma_tag_destroy(sc->txbuf_dmat); 789145247Sdamien } 790145247Sdamien 791145247Sdamien if (sc->rxbuf_dmat != NULL) { 792145247Sdamien for (i = 0; i < IPW_NRBD; i++) { 793145247Sdamien sbuf = &sc->rx_sbuf_list[i]; 794145247Sdamien if (sbuf->m != NULL) { 795145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, 796145247Sdamien BUS_DMASYNC_POSTREAD); 797145247Sdamien bus_dmamap_unload(sc->rxbuf_dmat, sbuf->map); 798145247Sdamien m_freem(sbuf->m); 799145247Sdamien } 800145247Sdamien bus_dmamap_destroy(sc->rxbuf_dmat, sbuf->map); 801145247Sdamien } 802145247Sdamien bus_dma_tag_destroy(sc->rxbuf_dmat); 803145247Sdamien } 804145247Sdamien} 805145247Sdamien 806145247Sdamienstatic int 807145247Sdamienipw_shutdown(device_t dev) 808145247Sdamien{ 809145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 810145247Sdamien 811145247Sdamien ipw_stop(sc); 812145247Sdamien 813145247Sdamien return 0; 814145247Sdamien} 815145247Sdamien 816145247Sdamienstatic int 817145247Sdamienipw_suspend(device_t dev) 818145247Sdamien{ 819145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 820145247Sdamien 821145247Sdamien ipw_stop(sc); 822145247Sdamien 823145247Sdamien return 0; 824145247Sdamien} 825145247Sdamien 826145247Sdamienstatic int 827145247Sdamienipw_resume(device_t dev) 828145247Sdamien{ 829145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 830178354Ssam struct ifnet *ifp = sc->sc_ifp; 831145247Sdamien 832146498Sdamien pci_write_config(dev, 0x41, 0, 1); 833146498Sdamien 834178354Ssam if (ifp->if_flags & IFF_UP) 835178354Ssam ipw_init(sc); 836145247Sdamien 837145247Sdamien return 0; 838145247Sdamien} 839145247Sdamien 840145247Sdamienstatic int 841172567Sthompsaipw_cvtrate(int ipwrate) 842172567Sthompsa{ 843172567Sthompsa switch (ipwrate) { 844172567Sthompsa case IPW_RATE_DS1: return 2; 845172567Sthompsa case IPW_RATE_DS2: return 4; 846172567Sthompsa case IPW_RATE_DS5: return 11; 847172567Sthompsa case IPW_RATE_DS11: return 22; 848172567Sthompsa } 849145247Sdamien return 0; 850145247Sdamien} 851145247Sdamien 852145247Sdamien/* 853156599Sdamien * The firmware automatically adapts the transmit speed. We report its current 854156599Sdamien * value here. 855145247Sdamien */ 856145247Sdamienstatic void 857145247Sdamienipw_media_status(struct ifnet *ifp, struct ifmediareq *imr) 858145247Sdamien{ 859178354Ssam struct ieee80211vap *vap = ifp->if_softc; 860178354Ssam struct ieee80211com *ic = vap->iv_ic; 861178354Ssam struct ipw_softc *sc = ic->ic_ifp->if_softc; 862145247Sdamien 863145247Sdamien /* read current transmission rate from adapter */ 864178354Ssam vap->iv_bss->ni_txrate = ipw_cvtrate( 865178354Ssam ipw_read_table1(sc, IPW_INFO_CURRENT_TX_RATE) & 0xf); 866178354Ssam ieee80211_media_status(ifp, imr); 867145247Sdamien} 868145247Sdamien 869145247Sdamienstatic int 870178354Ssamipw_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 871145247Sdamien{ 872178354Ssam struct ipw_vap *ivp = IPW_VAP(vap); 873178354Ssam struct ieee80211com *ic = vap->iv_ic; 874145247Sdamien struct ifnet *ifp = ic->ic_ifp; 875145247Sdamien struct ipw_softc *sc = ifp->if_softc; 876191746Sthompsa enum ieee80211_state ostate; 877145247Sdamien 878172567Sthompsa DPRINTF(("%s: %s -> %s flags 0x%x\n", __func__, 879178354Ssam ieee80211_state_name[vap->iv_state], 880172567Sthompsa ieee80211_state_name[nstate], sc->flags)); 881172567Sthompsa 882191746Sthompsa ostate = vap->iv_state; 883191746Sthompsa IEEE80211_UNLOCK(ic); 884191746Sthompsa 885145247Sdamien switch (nstate) { 886145247Sdamien case IEEE80211_S_RUN: 887172567Sthompsa if (ic->ic_opmode == IEEE80211_M_IBSS) { 888172567Sthompsa /* 889172567Sthompsa * XXX when joining an ibss network we are called 890172567Sthompsa * with a SCAN -> RUN transition on scan complete. 891206763Sbschmidt * Use that to call ipw_assoc. On completing the 892206763Sbschmidt * join we are then called again with an AUTH -> RUN 893206763Sbschmidt * transition and we want to do nothing. This is 894206763Sbschmidt * all totally bogus and needs to be redone. 895172567Sthompsa */ 896191746Sthompsa if (ostate == IEEE80211_S_SCAN) 897191746Sthompsa ipw_assoc(ic, vap); 898172567Sthompsa } 899172567Sthompsa break; 900145247Sdamien 901172567Sthompsa case IEEE80211_S_INIT: 902172567Sthompsa if (sc->flags & IPW_FLAG_ASSOCIATED) 903191746Sthompsa ipw_disassoc(ic, vap); 904172567Sthompsa break; 905145247Sdamien 906172567Sthompsa case IEEE80211_S_AUTH: 907206765Sbschmidt /* 908206765Sbschmidt * Move to ASSOC state after the ipw_assoc() call. Firmware 909206765Sbschmidt * takes care of authentication, after the call we'll receive 910206765Sbschmidt * only an assoc response which would otherwise be discared 911206765Sbschmidt * if we are still in AUTH state. 912206765Sbschmidt */ 913206765Sbschmidt nstate = IEEE80211_S_ASSOC; 914191746Sthompsa ipw_assoc(ic, vap); 915191746Sthompsa break; 916145247Sdamien 917172567Sthompsa case IEEE80211_S_ASSOC: 918172567Sthompsa /* 919206763Sbschmidt * If we are not transitioning from AUTH then resend the 920172567Sthompsa * association request. 921172567Sthompsa */ 922191746Sthompsa if (ostate != IEEE80211_S_AUTH) 923191746Sthompsa ipw_assoc(ic, vap); 924145247Sdamien break; 925145247Sdamien 926172058Ssam default: 927145247Sdamien break; 928145247Sdamien } 929191746Sthompsa IEEE80211_LOCK(ic); 930178354Ssam return ivp->newstate(vap, nstate, arg); 931145247Sdamien} 932145247Sdamien 933145247Sdamien/* 934145247Sdamien * Read 16 bits at address 'addr' from the serial EEPROM. 935145247Sdamien */ 936145247Sdamienstatic uint16_t 937145247Sdamienipw_read_prom_word(struct ipw_softc *sc, uint8_t addr) 938145247Sdamien{ 939145247Sdamien uint32_t tmp; 940145247Sdamien uint16_t val; 941145247Sdamien int n; 942145247Sdamien 943145247Sdamien /* clock C once before the first command */ 944145247Sdamien IPW_EEPROM_CTL(sc, 0); 945145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 946145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 947145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 948145247Sdamien 949145247Sdamien /* write start bit (1) */ 950145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D); 951145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C); 952145247Sdamien 953145247Sdamien /* write READ opcode (10) */ 954145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D); 955145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C); 956145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 957145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 958145247Sdamien 959145247Sdamien /* write address A7-A0 */ 960145247Sdamien for (n = 7; n >= 0; n--) { 961145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | 962145247Sdamien (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D)); 963145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | 964145247Sdamien (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D) | IPW_EEPROM_C); 965145247Sdamien } 966145247Sdamien 967145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 968145247Sdamien 969145247Sdamien /* read data Q15-Q0 */ 970145247Sdamien val = 0; 971145247Sdamien for (n = 15; n >= 0; n--) { 972145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 973145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 974145247Sdamien tmp = MEM_READ_4(sc, IPW_MEM_EEPROM_CTL); 975145247Sdamien val |= ((tmp & IPW_EEPROM_Q) >> IPW_EEPROM_SHIFT_Q) << n; 976145247Sdamien } 977145247Sdamien 978145247Sdamien IPW_EEPROM_CTL(sc, 0); 979145247Sdamien 980145247Sdamien /* clear Chip Select and clock C */ 981145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 982145247Sdamien IPW_EEPROM_CTL(sc, 0); 983145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_C); 984145247Sdamien 985145247Sdamien return le16toh(val); 986145247Sdamien} 987145247Sdamien 988145247Sdamienstatic void 989172567Sthompsaipw_rx_cmd_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf) 990145247Sdamien{ 991145247Sdamien struct ipw_cmd *cmd; 992145247Sdamien 993145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 994145247Sdamien 995145247Sdamien cmd = mtod(sbuf->m, struct ipw_cmd *); 996145247Sdamien 997172567Sthompsa DPRINTFN(9, ("cmd ack'ed %s(%u, %u, %u, %u, %u)\n", 998172567Sthompsa ipw_cmdname(le32toh(cmd->type)), le32toh(cmd->type), 999145247Sdamien le32toh(cmd->subtype), le32toh(cmd->seq), le32toh(cmd->len), 1000145247Sdamien le32toh(cmd->status))); 1001145247Sdamien 1002172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 1003145247Sdamien wakeup(sc); 1004145247Sdamien} 1005145247Sdamien 1006145247Sdamienstatic void 1007172567Sthompsaipw_rx_newstate_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf) 1008145247Sdamien{ 1009178354Ssam#define IEEESTATE(vap) ieee80211_state_name[vap->iv_state] 1010178354Ssam struct ifnet *ifp = sc->sc_ifp; 1011178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1012178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1013145247Sdamien uint32_t state; 1014145247Sdamien 1015145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 1016145247Sdamien 1017145247Sdamien state = le32toh(*mtod(sbuf->m, uint32_t *)); 1018145247Sdamien 1019145247Sdamien switch (state) { 1020145247Sdamien case IPW_STATE_ASSOCIATED: 1021172567Sthompsa DPRINTFN(2, ("Association succeeded (%s flags 0x%x)\n", 1022178354Ssam IEEESTATE(vap), sc->flags)); 1023178354Ssam /* XXX suppress state change in case the fw auto-associates */ 1024178354Ssam if ((sc->flags & IPW_FLAG_ASSOCIATING) == 0) { 1025178354Ssam DPRINTF(("Unexpected association (%s, flags 0x%x)\n", 1026178354Ssam IEEESTATE(vap), sc->flags)); 1027178354Ssam break; 1028178354Ssam } 1029178354Ssam sc->flags &= ~IPW_FLAG_ASSOCIATING; 1030172567Sthompsa sc->flags |= IPW_FLAG_ASSOCIATED; 1031145247Sdamien break; 1032145247Sdamien 1033145247Sdamien case IPW_STATE_SCANNING: 1034172567Sthompsa DPRINTFN(3, ("Scanning (%s flags 0x%x)\n", 1035178354Ssam IEEESTATE(vap), sc->flags)); 1036172567Sthompsa /* 1037172567Sthompsa * NB: Check driver state for association on assoc 1038172567Sthompsa * loss as the firmware will immediately start to 1039172567Sthompsa * scan and we would treat it as a beacon miss if 1040172567Sthompsa * we checked the 802.11 layer state. 1041172567Sthompsa */ 1042178354Ssam if (sc->flags & IPW_FLAG_ASSOCIATED) { 1043178354Ssam /* XXX probably need to issue disassoc to fw */ 1044191746Sthompsa ieee80211_beacon_miss(ic); 1045178354Ssam } 1046145247Sdamien break; 1047145247Sdamien 1048145247Sdamien case IPW_STATE_SCAN_COMPLETE: 1049172567Sthompsa /* 1050172567Sthompsa * XXX For some reason scan requests generate scan 1051172567Sthompsa * started + scan done events before any traffic is 1052172567Sthompsa * received (e.g. probe response frames). We work 1053172567Sthompsa * around this by marking the HACK flag and skipping 1054172567Sthompsa * the first scan complete event. 1055172567Sthompsa */ 1056178354Ssam DPRINTFN(3, ("Scan complete (%s flags 0x%x)\n", 1057178354Ssam IEEESTATE(vap), sc->flags)); 1058172567Sthompsa if (sc->flags & IPW_FLAG_HACK) { 1059172567Sthompsa sc->flags &= ~IPW_FLAG_HACK; 1060172567Sthompsa break; 1061172567Sthompsa } 1062172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) { 1063191746Sthompsa ieee80211_scan_done(vap); 1064172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 1065172567Sthompsa sc->sc_scan_timer = 0; 1066172567Sthompsa } 1067145247Sdamien break; 1068145247Sdamien 1069145247Sdamien case IPW_STATE_ASSOCIATION_LOST: 1070172567Sthompsa DPRINTFN(2, ("Association lost (%s flags 0x%x)\n", 1071178354Ssam IEEESTATE(vap), sc->flags)); 1072178354Ssam sc->flags &= ~(IPW_FLAG_ASSOCIATING | IPW_FLAG_ASSOCIATED); 1073178354Ssam if (vap->iv_state == IEEE80211_S_RUN) 1074191746Sthompsa ieee80211_new_state(vap, IEEE80211_S_SCAN, -1); 1075145247Sdamien break; 1076145247Sdamien 1077172567Sthompsa case IPW_STATE_DISABLED: 1078178354Ssam /* XXX? is this right? */ 1079206763Sbschmidt sc->flags &= ~(IPW_FLAG_HACK | IPW_FLAG_SCANNING | 1080178354Ssam IPW_FLAG_ASSOCIATING | IPW_FLAG_ASSOCIATED); 1081172567Sthompsa DPRINTFN(2, ("Firmware disabled (%s flags 0x%x)\n", 1082178354Ssam IEEESTATE(vap), sc->flags)); 1083172567Sthompsa break; 1084172567Sthompsa 1085145247Sdamien case IPW_STATE_RADIO_DISABLED: 1086178354Ssam device_printf(sc->sc_dev, "radio turned off\n"); 1087178354Ssam ieee80211_notify_radio(ic, 0); 1088172567Sthompsa ipw_stop_locked(sc); 1089178354Ssam /* XXX start polling thread to detect radio on */ 1090145247Sdamien break; 1091172567Sthompsa 1092172567Sthompsa default: 1093172567Sthompsa DPRINTFN(2, ("%s: unhandled state %u %s flags 0x%x\n", 1094178354Ssam __func__, state, IEEESTATE(vap), sc->flags)); 1095172567Sthompsa break; 1096145247Sdamien } 1097172567Sthompsa#undef IEEESTATE 1098145247Sdamien} 1099145247Sdamien 1100145247Sdamien/* 1101172567Sthompsa * Set driver state for current channel. 1102172567Sthompsa */ 1103172567Sthompsastatic void 1104172567Sthompsaipw_setcurchan(struct ipw_softc *sc, struct ieee80211_channel *chan) 1105172567Sthompsa{ 1106178354Ssam struct ifnet *ifp = sc->sc_ifp; 1107178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1108172567Sthompsa 1109172567Sthompsa ic->ic_curchan = chan; 1110192468Ssam ieee80211_radiotap_chan_change(ic); 1111172567Sthompsa} 1112172567Sthompsa 1113172567Sthompsa/* 1114145247Sdamien * XXX: Hack to set the current channel to the value advertised in beacons or 1115145247Sdamien * probe responses. Only used during AP detection. 1116145247Sdamien */ 1117145247Sdamienstatic void 1118172567Sthompsaipw_fix_channel(struct ipw_softc *sc, struct mbuf *m) 1119145247Sdamien{ 1120178354Ssam struct ifnet *ifp = sc->sc_ifp; 1121178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1122172567Sthompsa struct ieee80211_channel *c; 1123145247Sdamien struct ieee80211_frame *wh; 1124145247Sdamien uint8_t subtype; 1125145247Sdamien uint8_t *frm, *efrm; 1126145247Sdamien 1127145247Sdamien wh = mtod(m, struct ieee80211_frame *); 1128145247Sdamien 1129145247Sdamien if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 1130145247Sdamien return; 1131145247Sdamien 1132145247Sdamien subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 1133145247Sdamien 1134145247Sdamien if (subtype != IEEE80211_FC0_SUBTYPE_BEACON && 1135145247Sdamien subtype != IEEE80211_FC0_SUBTYPE_PROBE_RESP) 1136145247Sdamien return; 1137145247Sdamien 1138178354Ssam /* XXX use ieee80211_parse_beacon */ 1139145247Sdamien frm = (uint8_t *)(wh + 1); 1140145247Sdamien efrm = mtod(m, uint8_t *) + m->m_len; 1141145247Sdamien 1142145247Sdamien frm += 12; /* skip tstamp, bintval and capinfo fields */ 1143145247Sdamien while (frm < efrm) { 1144145247Sdamien if (*frm == IEEE80211_ELEMID_DSPARMS) 1145145247Sdamien#if IEEE80211_CHAN_MAX < 255 1146145247Sdamien if (frm[2] <= IEEE80211_CHAN_MAX) 1147145247Sdamien#endif 1148172567Sthompsa { 1149172567Sthompsa DPRINTF(("Fixing channel to %d\n", frm[2])); 1150172567Sthompsa c = ieee80211_find_channel(ic, 1151170530Ssam ieee80211_ieee2mhz(frm[2], 0), 1152172567Sthompsa IEEE80211_CHAN_B); 1153172567Sthompsa if (c == NULL) 1154172567Sthompsa c = &ic->ic_channels[0]; 1155172567Sthompsa ipw_setcurchan(sc, c); 1156172567Sthompsa } 1157145247Sdamien 1158145247Sdamien frm += frm[1] + 2; 1159145247Sdamien } 1160145247Sdamien} 1161145247Sdamien 1162145247Sdamienstatic void 1163172567Sthompsaipw_rx_data_intr(struct ipw_softc *sc, struct ipw_status *status, 1164145247Sdamien struct ipw_soft_bd *sbd, struct ipw_soft_buf *sbuf) 1165145247Sdamien{ 1166178354Ssam struct ifnet *ifp = sc->sc_ifp; 1167178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1168152385Sdamien struct mbuf *mnew, *m; 1169145247Sdamien struct ieee80211_node *ni; 1170145247Sdamien bus_addr_t physaddr; 1171145247Sdamien int error; 1172192468Ssam int8_t rssi, nf; 1173172567Sthompsa IPW_LOCK_DECL; 1174145247Sdamien 1175152385Sdamien DPRINTFN(5, ("received frame len=%u, rssi=%u\n", le32toh(status->len), 1176152385Sdamien status->rssi)); 1177152385Sdamien 1178147757Sdamien if (le32toh(status->len) < sizeof (struct ieee80211_frame_min) || 1179147757Sdamien le32toh(status->len) > MCLBYTES) 1180147757Sdamien return; 1181147757Sdamien 1182152385Sdamien /* 1183152385Sdamien * Try to allocate a new mbuf for this ring element and load it before 1184152385Sdamien * processing the current mbuf. If the ring element cannot be loaded, 1185152385Sdamien * drop the received packet and reuse the old mbuf. In the unlikely 1186152385Sdamien * case that the old mbuf can't be reloaded either, explicitly panic. 1187152385Sdamien */ 1188152385Sdamien mnew = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1189152385Sdamien if (mnew == NULL) { 1190152385Sdamien ifp->if_ierrors++; 1191152385Sdamien return; 1192152385Sdamien } 1193152385Sdamien 1194145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 1195145247Sdamien bus_dmamap_unload(sc->rxbuf_dmat, sbuf->map); 1196145247Sdamien 1197152385Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, mtod(mnew, void *), 1198152385Sdamien MCLBYTES, ipw_dma_map_addr, &physaddr, 0); 1199152385Sdamien if (error != 0) { 1200152385Sdamien m_freem(mnew); 1201152385Sdamien 1202152385Sdamien /* try to reload the old mbuf */ 1203152385Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, 1204152385Sdamien mtod(sbuf->m, void *), MCLBYTES, ipw_dma_map_addr, 1205152385Sdamien &physaddr, 0); 1206152385Sdamien if (error != 0) { 1207152385Sdamien /* very unlikely that it will fail... */ 1208152385Sdamien panic("%s: could not load old rx mbuf", 1209152385Sdamien device_get_name(sc->sc_dev)); 1210152385Sdamien } 1211152385Sdamien ifp->if_ierrors++; 1212152385Sdamien return; 1213152385Sdamien } 1214152385Sdamien 1215152385Sdamien /* 1216152385Sdamien * New mbuf successfully loaded, update Rx ring and continue 1217152385Sdamien * processing. 1218152385Sdamien */ 1219152385Sdamien m = sbuf->m; 1220152385Sdamien sbuf->m = mnew; 1221152385Sdamien sbd->bd->physaddr = htole32(physaddr); 1222152385Sdamien 1223145247Sdamien /* finalize mbuf */ 1224145247Sdamien m->m_pkthdr.rcvif = ifp; 1225145247Sdamien m->m_pkthdr.len = m->m_len = le32toh(status->len); 1226145247Sdamien 1227192468Ssam rssi = status->rssi + IPW_RSSI_TO_DBM; 1228192468Ssam nf = -95; 1229192468Ssam if (ieee80211_radiotap_active(ic)) { 1230145247Sdamien struct ipw_rx_radiotap_header *tap = &sc->sc_rxtap; 1231145247Sdamien 1232145247Sdamien tap->wr_flags = 0; 1233192468Ssam tap->wr_antsignal = rssi; 1234192468Ssam tap->wr_antnoise = nf; 1235145247Sdamien } 1236145247Sdamien 1237172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) 1238172567Sthompsa ipw_fix_channel(sc, m); 1239145247Sdamien 1240172567Sthompsa IPW_UNLOCK(sc); 1241178354Ssam ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *)); 1242178354Ssam if (ni != NULL) { 1243206764Sbschmidt (void) ieee80211_input(ni, m, rssi - nf, nf); 1244178354Ssam ieee80211_free_node(ni); 1245178354Ssam } else 1246206764Sbschmidt (void) ieee80211_input_all(ic, m, rssi - nf, nf); 1247172567Sthompsa IPW_LOCK(sc); 1248145247Sdamien 1249145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 1250145247Sdamien} 1251145247Sdamien 1252145247Sdamienstatic void 1253145247Sdamienipw_rx_intr(struct ipw_softc *sc) 1254145247Sdamien{ 1255145247Sdamien struct ipw_status *status; 1256145247Sdamien struct ipw_soft_bd *sbd; 1257145247Sdamien struct ipw_soft_buf *sbuf; 1258145247Sdamien uint32_t r, i; 1259145247Sdamien 1260145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1261145247Sdamien return; 1262145247Sdamien 1263145247Sdamien r = CSR_READ_4(sc, IPW_CSR_RX_READ); 1264145247Sdamien 1265145247Sdamien bus_dmamap_sync(sc->status_dmat, sc->status_map, BUS_DMASYNC_POSTREAD); 1266145247Sdamien 1267145247Sdamien for (i = (sc->rxcur + 1) % IPW_NRBD; i != r; i = (i + 1) % IPW_NRBD) { 1268145247Sdamien status = &sc->status_list[i]; 1269145247Sdamien sbd = &sc->srbd_list[i]; 1270145247Sdamien sbuf = sbd->priv; 1271145247Sdamien 1272145247Sdamien switch (le16toh(status->code) & 0xf) { 1273145247Sdamien case IPW_STATUS_CODE_COMMAND: 1274172567Sthompsa ipw_rx_cmd_intr(sc, sbuf); 1275145247Sdamien break; 1276145247Sdamien 1277145247Sdamien case IPW_STATUS_CODE_NEWSTATE: 1278172567Sthompsa ipw_rx_newstate_intr(sc, sbuf); 1279145247Sdamien break; 1280145247Sdamien 1281145247Sdamien case IPW_STATUS_CODE_DATA_802_3: 1282145247Sdamien case IPW_STATUS_CODE_DATA_802_11: 1283172567Sthompsa ipw_rx_data_intr(sc, status, sbd, sbuf); 1284145247Sdamien break; 1285145247Sdamien 1286145247Sdamien case IPW_STATUS_CODE_NOTIFICATION: 1287172567Sthompsa DPRINTFN(2, ("notification status, len %u flags 0x%x\n", 1288172567Sthompsa le32toh(status->len), status->flags)); 1289178354Ssam /* XXX maybe drive state machine AUTH->ASSOC? */ 1290145247Sdamien break; 1291145247Sdamien 1292145247Sdamien default: 1293172567Sthompsa device_printf(sc->sc_dev, "unexpected status code %u\n", 1294145247Sdamien le16toh(status->code)); 1295145247Sdamien } 1296145247Sdamien 1297145247Sdamien /* firmware was killed, stop processing received frames */ 1298145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1299145247Sdamien return; 1300145247Sdamien 1301145247Sdamien sbd->bd->flags = 0; 1302145247Sdamien } 1303145247Sdamien 1304145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 1305145247Sdamien 1306145247Sdamien /* kick the firmware */ 1307145247Sdamien sc->rxcur = (r == 0) ? IPW_NRBD - 1 : r - 1; 1308145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_WRITE, sc->rxcur); 1309145247Sdamien} 1310145247Sdamien 1311145247Sdamienstatic void 1312145247Sdamienipw_release_sbd(struct ipw_softc *sc, struct ipw_soft_bd *sbd) 1313145247Sdamien{ 1314145247Sdamien struct ipw_soft_hdr *shdr; 1315145247Sdamien struct ipw_soft_buf *sbuf; 1316145247Sdamien 1317145247Sdamien switch (sbd->type) { 1318145247Sdamien case IPW_SBD_TYPE_COMMAND: 1319145247Sdamien bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map, 1320145247Sdamien BUS_DMASYNC_POSTWRITE); 1321145247Sdamien bus_dmamap_unload(sc->cmd_dmat, sc->cmd_map); 1322145247Sdamien break; 1323145247Sdamien 1324145247Sdamien case IPW_SBD_TYPE_HEADER: 1325145247Sdamien shdr = sbd->priv; 1326145247Sdamien bus_dmamap_sync(sc->hdr_dmat, shdr->map, BUS_DMASYNC_POSTWRITE); 1327145247Sdamien bus_dmamap_unload(sc->hdr_dmat, shdr->map); 1328145247Sdamien SLIST_INSERT_HEAD(&sc->free_shdr, shdr, next); 1329145247Sdamien break; 1330145247Sdamien 1331145247Sdamien case IPW_SBD_TYPE_DATA: 1332145247Sdamien sbuf = sbd->priv; 1333145247Sdamien bus_dmamap_sync(sc->txbuf_dmat, sbuf->map, 1334145247Sdamien BUS_DMASYNC_POSTWRITE); 1335145247Sdamien bus_dmamap_unload(sc->txbuf_dmat, sbuf->map); 1336145247Sdamien SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next); 1337145247Sdamien 1338170530Ssam if (sbuf->m->m_flags & M_TXCB) 1339170530Ssam ieee80211_process_callback(sbuf->ni, sbuf->m, 0/*XXX*/); 1340145247Sdamien m_freem(sbuf->m); 1341145247Sdamien ieee80211_free_node(sbuf->ni); 1342145247Sdamien 1343145247Sdamien sc->sc_tx_timer = 0; 1344145247Sdamien break; 1345145247Sdamien } 1346145247Sdamien 1347145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 1348145247Sdamien} 1349145247Sdamien 1350145247Sdamienstatic void 1351145247Sdamienipw_tx_intr(struct ipw_softc *sc) 1352145247Sdamien{ 1353178354Ssam struct ifnet *ifp = sc->sc_ifp; 1354145247Sdamien struct ipw_soft_bd *sbd; 1355145247Sdamien uint32_t r, i; 1356145247Sdamien 1357145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1358145247Sdamien return; 1359145247Sdamien 1360145247Sdamien r = CSR_READ_4(sc, IPW_CSR_TX_READ); 1361145247Sdamien 1362145247Sdamien for (i = (sc->txold + 1) % IPW_NTBD; i != r; i = (i + 1) % IPW_NTBD) { 1363145247Sdamien sbd = &sc->stbd_list[i]; 1364145247Sdamien 1365145247Sdamien if (sbd->type == IPW_SBD_TYPE_DATA) 1366145247Sdamien ifp->if_opackets++; 1367145247Sdamien 1368145247Sdamien ipw_release_sbd(sc, sbd); 1369145247Sdamien sc->txfree++; 1370145247Sdamien } 1371145247Sdamien 1372145247Sdamien /* remember what the firmware has processed */ 1373145247Sdamien sc->txold = (r == 0) ? IPW_NTBD - 1 : r - 1; 1374145247Sdamien 1375148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1376172567Sthompsa ipw_start_locked(ifp); 1377145247Sdamien} 1378145247Sdamien 1379145247Sdamienstatic void 1380191746Sthompsaipw_fatal_error_intr(struct ipw_softc *sc) 1381191746Sthompsa{ 1382191746Sthompsa struct ifnet *ifp = sc->sc_ifp; 1383191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 1384191956Sthompsa struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1385191746Sthompsa 1386191746Sthompsa device_printf(sc->sc_dev, "firmware error\n"); 1387191956Sthompsa if (vap != NULL) 1388191956Sthompsa ieee80211_cancel_scan(vap); 1389191746Sthompsa ieee80211_runtask(ic, &sc->sc_init_task); 1390191746Sthompsa} 1391191746Sthompsa 1392191746Sthompsastatic void 1393145247Sdamienipw_intr(void *arg) 1394145247Sdamien{ 1395145247Sdamien struct ipw_softc *sc = arg; 1396145247Sdamien uint32_t r; 1397172567Sthompsa IPW_LOCK_DECL; 1398145247Sdamien 1399172567Sthompsa IPW_LOCK(sc); 1400145247Sdamien 1401191746Sthompsa r = CSR_READ_4(sc, IPW_CSR_INTR); 1402191746Sthompsa if (r == 0 || r == 0xffffffff) 1403191746Sthompsa goto done; 1404145247Sdamien 1405145247Sdamien /* disable interrupts */ 1406145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0); 1407145247Sdamien 1408156599Sdamien /* acknowledge all interrupts */ 1409156599Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR, r); 1410156599Sdamien 1411145247Sdamien if (r & (IPW_INTR_FATAL_ERROR | IPW_INTR_PARITY_ERROR)) { 1412191746Sthompsa ipw_fatal_error_intr(sc); 1413191746Sthompsa goto done; 1414145247Sdamien } 1415145247Sdamien 1416156599Sdamien if (r & IPW_INTR_FW_INIT_DONE) 1417156599Sdamien wakeup(sc); 1418145247Sdamien 1419145247Sdamien if (r & IPW_INTR_RX_TRANSFER) 1420145247Sdamien ipw_rx_intr(sc); 1421145247Sdamien 1422145247Sdamien if (r & IPW_INTR_TX_TRANSFER) 1423145247Sdamien ipw_tx_intr(sc); 1424145247Sdamien 1425145247Sdamien /* re-enable interrupts */ 1426145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK); 1427191746Sthompsadone: 1428172567Sthompsa IPW_UNLOCK(sc); 1429145247Sdamien} 1430145247Sdamien 1431145247Sdamienstatic void 1432145247Sdamienipw_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) 1433145247Sdamien{ 1434145247Sdamien if (error != 0) 1435145247Sdamien return; 1436145247Sdamien 1437145247Sdamien KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 1438145247Sdamien 1439145247Sdamien *(bus_addr_t *)arg = segs[0].ds_addr; 1440145247Sdamien} 1441145247Sdamien 1442172567Sthompsastatic const char * 1443172567Sthompsaipw_cmdname(int cmd) 1444172567Sthompsa{ 1445172567Sthompsa#define N(a) (sizeof(a) / sizeof(a[0])) 1446172567Sthompsa static const struct { 1447172567Sthompsa int cmd; 1448172567Sthompsa const char *name; 1449172567Sthompsa } cmds[] = { 1450172567Sthompsa { IPW_CMD_ADD_MULTICAST, "ADD_MULTICAST" }, 1451172567Sthompsa { IPW_CMD_BROADCAST_SCAN, "BROADCAST_SCAN" }, 1452172567Sthompsa { IPW_CMD_DISABLE, "DISABLE" }, 1453172567Sthompsa { IPW_CMD_DISABLE_PHY, "DISABLE_PHY" }, 1454172567Sthompsa { IPW_CMD_ENABLE, "ENABLE" }, 1455172567Sthompsa { IPW_CMD_PREPARE_POWER_DOWN, "PREPARE_POWER_DOWN" }, 1456172567Sthompsa { IPW_CMD_SET_BASIC_TX_RATES, "SET_BASIC_TX_RATES" }, 1457172567Sthompsa { IPW_CMD_SET_BEACON_INTERVAL, "SET_BEACON_INTERVAL" }, 1458172567Sthompsa { IPW_CMD_SET_CHANNEL, "SET_CHANNEL" }, 1459172567Sthompsa { IPW_CMD_SET_CONFIGURATION, "SET_CONFIGURATION" }, 1460172567Sthompsa { IPW_CMD_SET_DESIRED_BSSID, "SET_DESIRED_BSSID" }, 1461172567Sthompsa { IPW_CMD_SET_ESSID, "SET_ESSID" }, 1462172567Sthompsa { IPW_CMD_SET_FRAG_THRESHOLD, "SET_FRAG_THRESHOLD" }, 1463172567Sthompsa { IPW_CMD_SET_MAC_ADDRESS, "SET_MAC_ADDRESS" }, 1464172567Sthompsa { IPW_CMD_SET_MANDATORY_BSSID, "SET_MANDATORY_BSSID" }, 1465172567Sthompsa { IPW_CMD_SET_MODE, "SET_MODE" }, 1466172567Sthompsa { IPW_CMD_SET_MSDU_TX_RATES, "SET_MSDU_TX_RATES" }, 1467172567Sthompsa { IPW_CMD_SET_POWER_MODE, "SET_POWER_MODE" }, 1468172567Sthompsa { IPW_CMD_SET_RTS_THRESHOLD, "SET_RTS_THRESHOLD" }, 1469172567Sthompsa { IPW_CMD_SET_SCAN_OPTIONS, "SET_SCAN_OPTIONS" }, 1470172567Sthompsa { IPW_CMD_SET_SECURITY_INFO, "SET_SECURITY_INFO" }, 1471172567Sthompsa { IPW_CMD_SET_TX_POWER_INDEX, "SET_TX_POWER_INDEX" }, 1472172567Sthompsa { IPW_CMD_SET_TX_RATES, "SET_TX_RATES" }, 1473172567Sthompsa { IPW_CMD_SET_WEP_FLAGS, "SET_WEP_FLAGS" }, 1474172567Sthompsa { IPW_CMD_SET_WEP_KEY, "SET_WEP_KEY" }, 1475172567Sthompsa { IPW_CMD_SET_WEP_KEY_INDEX, "SET_WEP_KEY_INDEX" }, 1476172567Sthompsa { IPW_CMD_SET_WPA_IE, "SET_WPA_IE" }, 1477172567Sthompsa 1478172567Sthompsa }; 1479172567Sthompsa static char buf[12]; 1480172567Sthompsa int i; 1481172567Sthompsa 1482172567Sthompsa for (i = 0; i < N(cmds); i++) 1483172567Sthompsa if (cmds[i].cmd == cmd) 1484172567Sthompsa return cmds[i].name; 1485172567Sthompsa snprintf(buf, sizeof(buf), "%u", cmd); 1486172567Sthompsa return buf; 1487172567Sthompsa#undef N 1488172567Sthompsa} 1489172567Sthompsa 1490145247Sdamien/* 1491145247Sdamien * Send a command to the firmware and wait for the acknowledgement. 1492145247Sdamien */ 1493145247Sdamienstatic int 1494145247Sdamienipw_cmd(struct ipw_softc *sc, uint32_t type, void *data, uint32_t len) 1495145247Sdamien{ 1496145247Sdamien struct ipw_soft_bd *sbd; 1497145247Sdamien bus_addr_t physaddr; 1498145247Sdamien int error; 1499145247Sdamien 1500178354Ssam IPW_LOCK_ASSERT(sc); 1501178354Ssam 1502172567Sthompsa if (sc->flags & IPW_FLAG_BUSY) { 1503172567Sthompsa device_printf(sc->sc_dev, "%s: %s not sent, busy\n", 1504172567Sthompsa __func__, ipw_cmdname(type)); 1505172567Sthompsa return EAGAIN; 1506172567Sthompsa } 1507172567Sthompsa sc->flags |= IPW_FLAG_BUSY; 1508172567Sthompsa 1509145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1510145247Sdamien 1511145247Sdamien error = bus_dmamap_load(sc->cmd_dmat, sc->cmd_map, &sc->cmd, 1512145247Sdamien sizeof (struct ipw_cmd), ipw_dma_map_addr, &physaddr, 0); 1513145247Sdamien if (error != 0) { 1514145247Sdamien device_printf(sc->sc_dev, "could not map command DMA memory\n"); 1515172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 1516145247Sdamien return error; 1517145247Sdamien } 1518145247Sdamien 1519145247Sdamien sc->cmd.type = htole32(type); 1520145247Sdamien sc->cmd.subtype = 0; 1521145247Sdamien sc->cmd.len = htole32(len); 1522145247Sdamien sc->cmd.seq = 0; 1523152637Sdamien memcpy(sc->cmd.data, data, len); 1524145247Sdamien 1525145247Sdamien sbd->type = IPW_SBD_TYPE_COMMAND; 1526145247Sdamien sbd->bd->physaddr = htole32(physaddr); 1527145247Sdamien sbd->bd->len = htole32(sizeof (struct ipw_cmd)); 1528145247Sdamien sbd->bd->nfrag = 1; 1529145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_COMMAND | 1530145247Sdamien IPW_BD_FLAG_TX_LAST_FRAGMENT; 1531145247Sdamien 1532145247Sdamien bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map, BUS_DMASYNC_PREWRITE); 1533145247Sdamien bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE); 1534145247Sdamien 1535172567Sthompsa#ifdef IPW_DEBUG 1536172567Sthompsa if (ipw_debug >= 4) { 1537172567Sthompsa printf("sending %s(%u, %u, %u, %u)", ipw_cmdname(type), type, 1538172567Sthompsa 0, 0, len); 1539172567Sthompsa /* Print the data buffer in the higher debug level */ 1540172567Sthompsa if (ipw_debug >= 9 && len > 0) { 1541172567Sthompsa printf(" data: 0x"); 1542172567Sthompsa for (int i = 1; i <= len; i++) 1543174269Swkoszek printf("%1D", (u_char *)data + len - i, ""); 1544172567Sthompsa } 1545172567Sthompsa printf("\n"); 1546172567Sthompsa } 1547172567Sthompsa#endif 1548145247Sdamien 1549145247Sdamien /* kick firmware */ 1550145247Sdamien sc->txfree--; 1551145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1552145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 1553145247Sdamien 1554145247Sdamien /* wait at most one second for command to complete */ 1555172567Sthompsa error = msleep(sc, &sc->sc_mtx, 0, "ipwcmd", hz); 1556172567Sthompsa if (error != 0) { 1557172567Sthompsa device_printf(sc->sc_dev, "%s: %s failed, timeout (error %u)\n", 1558172567Sthompsa __func__, ipw_cmdname(type), error); 1559172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 1560172567Sthompsa return (error); 1561172567Sthompsa } 1562172567Sthompsa return (0); 1563145247Sdamien} 1564145247Sdamien 1565145247Sdamienstatic int 1566145247Sdamienipw_tx_start(struct ifnet *ifp, struct mbuf *m0, struct ieee80211_node *ni) 1567145247Sdamien{ 1568145247Sdamien struct ipw_softc *sc = ifp->if_softc; 1569178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1570192468Ssam struct ieee80211vap *vap = ni->ni_vap; 1571145247Sdamien struct ieee80211_frame *wh; 1572145247Sdamien struct ipw_soft_bd *sbd; 1573145247Sdamien struct ipw_soft_hdr *shdr; 1574145247Sdamien struct ipw_soft_buf *sbuf; 1575145247Sdamien struct ieee80211_key *k; 1576145247Sdamien struct mbuf *mnew; 1577145247Sdamien bus_dma_segment_t segs[IPW_MAX_NSEG]; 1578145247Sdamien bus_addr_t physaddr; 1579145247Sdamien int nsegs, error, i; 1580145247Sdamien 1581145247Sdamien wh = mtod(m0, struct ieee80211_frame *); 1582145247Sdamien 1583145247Sdamien if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1584178354Ssam k = ieee80211_crypto_encap(ni, m0); 1585147806Ssam if (k == NULL) { 1586147806Ssam m_freem(m0); 1587145247Sdamien return ENOBUFS; 1588147806Ssam } 1589145247Sdamien /* packet header may have moved, reset our local pointer */ 1590145247Sdamien wh = mtod(m0, struct ieee80211_frame *); 1591145247Sdamien } 1592145247Sdamien 1593192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 1594145247Sdamien struct ipw_tx_radiotap_header *tap = &sc->sc_txtap; 1595145247Sdamien 1596145247Sdamien tap->wt_flags = 0; 1597145247Sdamien 1598192468Ssam ieee80211_radiotap_tx(vap, m0); 1599145247Sdamien } 1600145247Sdamien 1601145247Sdamien shdr = SLIST_FIRST(&sc->free_shdr); 1602145247Sdamien sbuf = SLIST_FIRST(&sc->free_sbuf); 1603145247Sdamien KASSERT(shdr != NULL && sbuf != NULL, ("empty sw hdr/buf pool")); 1604145247Sdamien 1605145247Sdamien shdr->hdr.type = htole32(IPW_HDR_TYPE_SEND); 1606145247Sdamien shdr->hdr.subtype = 0; 1607145247Sdamien shdr->hdr.encrypted = (wh->i_fc[1] & IEEE80211_FC1_WEP) ? 1 : 0; 1608145247Sdamien shdr->hdr.encrypt = 0; 1609145247Sdamien shdr->hdr.keyidx = 0; 1610145247Sdamien shdr->hdr.keysz = 0; 1611145247Sdamien shdr->hdr.fragmentsz = 0; 1612145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.src_addr, wh->i_addr2); 1613145247Sdamien if (ic->ic_opmode == IEEE80211_M_STA) 1614145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr3); 1615145247Sdamien else 1616145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr1); 1617145247Sdamien 1618145247Sdamien /* trim IEEE802.11 header */ 1619145247Sdamien m_adj(m0, sizeof (struct ieee80211_frame)); 1620145247Sdamien 1621145247Sdamien error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0, segs, 1622145247Sdamien &nsegs, 0); 1623145247Sdamien if (error != 0 && error != EFBIG) { 1624145247Sdamien device_printf(sc->sc_dev, "could not map mbuf (error %d)\n", 1625145247Sdamien error); 1626145247Sdamien m_freem(m0); 1627145247Sdamien return error; 1628145247Sdamien } 1629145247Sdamien if (error != 0) { 1630145247Sdamien mnew = m_defrag(m0, M_DONTWAIT); 1631145247Sdamien if (mnew == NULL) { 1632145247Sdamien device_printf(sc->sc_dev, 1633145247Sdamien "could not defragment mbuf\n"); 1634145247Sdamien m_freem(m0); 1635145247Sdamien return ENOBUFS; 1636145247Sdamien } 1637145247Sdamien m0 = mnew; 1638145247Sdamien 1639145247Sdamien error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0, 1640145247Sdamien segs, &nsegs, 0); 1641145247Sdamien if (error != 0) { 1642145247Sdamien device_printf(sc->sc_dev, 1643145247Sdamien "could not map mbuf (error %d)\n", error); 1644145247Sdamien m_freem(m0); 1645145247Sdamien return error; 1646145247Sdamien } 1647145247Sdamien } 1648145247Sdamien 1649145247Sdamien error = bus_dmamap_load(sc->hdr_dmat, shdr->map, &shdr->hdr, 1650145247Sdamien sizeof (struct ipw_hdr), ipw_dma_map_addr, &physaddr, 0); 1651145247Sdamien if (error != 0) { 1652145247Sdamien device_printf(sc->sc_dev, "could not map header DMA memory\n"); 1653145247Sdamien bus_dmamap_unload(sc->txbuf_dmat, sbuf->map); 1654145247Sdamien m_freem(m0); 1655145247Sdamien return error; 1656145247Sdamien } 1657145247Sdamien 1658145247Sdamien SLIST_REMOVE_HEAD(&sc->free_sbuf, next); 1659145247Sdamien SLIST_REMOVE_HEAD(&sc->free_shdr, next); 1660145247Sdamien 1661145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1662145247Sdamien sbd->type = IPW_SBD_TYPE_HEADER; 1663145247Sdamien sbd->priv = shdr; 1664145247Sdamien sbd->bd->physaddr = htole32(physaddr); 1665145247Sdamien sbd->bd->len = htole32(sizeof (struct ipw_hdr)); 1666145247Sdamien sbd->bd->nfrag = 1 + nsegs; 1667145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3 | 1668145247Sdamien IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT; 1669145247Sdamien 1670145247Sdamien DPRINTFN(5, ("sending tx hdr (%u, %u, %u, %u, %6D, %6D)\n", 1671145247Sdamien shdr->hdr.type, shdr->hdr.subtype, shdr->hdr.encrypted, 1672145247Sdamien shdr->hdr.encrypt, shdr->hdr.src_addr, ":", shdr->hdr.dst_addr, 1673145247Sdamien ":")); 1674145247Sdamien 1675145247Sdamien sc->txfree--; 1676145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1677145247Sdamien 1678145247Sdamien sbuf->m = m0; 1679145247Sdamien sbuf->ni = ni; 1680145247Sdamien 1681145247Sdamien for (i = 0; i < nsegs; i++) { 1682145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1683145247Sdamien 1684145247Sdamien sbd->bd->physaddr = htole32(segs[i].ds_addr); 1685145247Sdamien sbd->bd->len = htole32(segs[i].ds_len); 1686145247Sdamien sbd->bd->nfrag = 0; 1687145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3; 1688145247Sdamien if (i == nsegs - 1) { 1689145247Sdamien sbd->type = IPW_SBD_TYPE_DATA; 1690145247Sdamien sbd->priv = sbuf; 1691145247Sdamien sbd->bd->flags |= IPW_BD_FLAG_TX_LAST_FRAGMENT; 1692145247Sdamien } else { 1693145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 1694145247Sdamien sbd->bd->flags |= IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT; 1695145247Sdamien } 1696145247Sdamien 1697172574Sthompsa DPRINTFN(5, ("sending fragment (%d)\n", i)); 1698145247Sdamien 1699145247Sdamien sc->txfree--; 1700145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1701145247Sdamien } 1702145247Sdamien 1703145247Sdamien bus_dmamap_sync(sc->hdr_dmat, shdr->map, BUS_DMASYNC_PREWRITE); 1704145247Sdamien bus_dmamap_sync(sc->txbuf_dmat, sbuf->map, BUS_DMASYNC_PREWRITE); 1705145247Sdamien bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE); 1706145247Sdamien 1707145247Sdamien /* kick firmware */ 1708145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 1709145247Sdamien 1710145247Sdamien return 0; 1711145247Sdamien} 1712145247Sdamien 1713178354Ssamstatic int 1714178354Ssamipw_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 1715178354Ssam const struct ieee80211_bpf_params *params) 1716178354Ssam{ 1717178354Ssam /* no support; just discard */ 1718178354Ssam m_freem(m); 1719178354Ssam ieee80211_free_node(ni); 1720178354Ssam return 0; 1721178354Ssam} 1722178354Ssam 1723145247Sdamienstatic void 1724145247Sdamienipw_start(struct ifnet *ifp) 1725145247Sdamien{ 1726145247Sdamien struct ipw_softc *sc = ifp->if_softc; 1727172567Sthompsa IPW_LOCK_DECL; 1728172567Sthompsa 1729172567Sthompsa IPW_LOCK(sc); 1730172567Sthompsa ipw_start_locked(ifp); 1731172567Sthompsa IPW_UNLOCK(sc); 1732172567Sthompsa} 1733172567Sthompsa 1734172567Sthompsastatic void 1735172567Sthompsaipw_start_locked(struct ifnet *ifp) 1736172567Sthompsa{ 1737172567Sthompsa struct ipw_softc *sc = ifp->if_softc; 1738145247Sdamien struct ieee80211_node *ni; 1739178354Ssam struct mbuf *m; 1740145247Sdamien 1741172567Sthompsa IPW_LOCK_ASSERT(sc); 1742145247Sdamien 1743145247Sdamien for (;;) { 1744178354Ssam IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 1745178354Ssam if (m == NULL) 1746145247Sdamien break; 1747145247Sdamien if (sc->txfree < 1 + IPW_MAX_NSEG) { 1748178354Ssam IFQ_DRV_PREPEND(&ifp->if_snd, m); 1749148887Srwatson ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1750145247Sdamien break; 1751145247Sdamien } 1752178354Ssam ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; 1753178354Ssam if (ipw_tx_start(ifp, m, ni) != 0) { 1754145247Sdamien ieee80211_free_node(ni); 1755145247Sdamien ifp->if_oerrors++; 1756145247Sdamien break; 1757145247Sdamien } 1758145247Sdamien /* start watchdog timer */ 1759145247Sdamien sc->sc_tx_timer = 5; 1760145247Sdamien } 1761145247Sdamien} 1762145247Sdamien 1763145247Sdamienstatic void 1764172567Sthompsaipw_watchdog(void *arg) 1765145247Sdamien{ 1766172567Sthompsa struct ipw_softc *sc = arg; 1767172567Sthompsa struct ifnet *ifp = sc->sc_ifp; 1768178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1769145247Sdamien 1770172567Sthompsa IPW_LOCK_ASSERT(sc); 1771156599Sdamien 1772145247Sdamien if (sc->sc_tx_timer > 0) { 1773145247Sdamien if (--sc->sc_tx_timer == 0) { 1774145247Sdamien if_printf(ifp, "device timeout\n"); 1775145247Sdamien ifp->if_oerrors++; 1776178354Ssam taskqueue_enqueue(taskqueue_swi, &sc->sc_init_task); 1777145247Sdamien } 1778145247Sdamien } 1779172567Sthompsa if (sc->sc_scan_timer > 0) { 1780172567Sthompsa if (--sc->sc_scan_timer == 0) { 1781172567Sthompsa DPRINTFN(3, ("Scan timeout\n")); 1782172567Sthompsa /* End the scan */ 1783172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) { 1784178354Ssam ieee80211_scan_done(TAILQ_FIRST(&ic->ic_vaps)); 1785172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 1786172567Sthompsa } 1787172567Sthompsa } 1788172567Sthompsa } 1789172567Sthompsa if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1790172567Sthompsa callout_reset(&sc->sc_wdtimer, hz, ipw_watchdog, sc); 1791145247Sdamien} 1792145247Sdamien 1793145247Sdamienstatic int 1794145247Sdamienipw_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1795145247Sdamien{ 1796145247Sdamien struct ipw_softc *sc = ifp->if_softc; 1797178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1798178354Ssam struct ifreq *ifr = (struct ifreq *) data; 1799178354Ssam int error = 0, startall = 0; 1800172567Sthompsa IPW_LOCK_DECL; 1801145247Sdamien 1802145247Sdamien switch (cmd) { 1803145247Sdamien case SIOCSIFFLAGS: 1804178704Sthompsa IPW_LOCK(sc); 1805145247Sdamien if (ifp->if_flags & IFF_UP) { 1806178354Ssam if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1807178354Ssam ipw_init_locked(sc); 1808178354Ssam startall = 1; 1809178354Ssam } 1810145247Sdamien } else { 1811148887Srwatson if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1812172567Sthompsa ipw_stop_locked(sc); 1813145247Sdamien } 1814178704Sthompsa IPW_UNLOCK(sc); 1815178704Sthompsa if (startall) 1816178704Sthompsa ieee80211_start_all(ic); 1817145247Sdamien break; 1818178354Ssam case SIOCGIFMEDIA: 1819178354Ssam error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 1820178354Ssam break; 1821178704Sthompsa case SIOCGIFADDR: 1822178704Sthompsa error = ether_ioctl(ifp, cmd, data); 1823178704Sthompsa break; 1824145247Sdamien default: 1825178704Sthompsa error = EINVAL; 1826178704Sthompsa break; 1827145247Sdamien } 1828145247Sdamien return error; 1829145247Sdamien} 1830145247Sdamien 1831145247Sdamienstatic void 1832145247Sdamienipw_stop_master(struct ipw_softc *sc) 1833145247Sdamien{ 1834156599Sdamien uint32_t tmp; 1835145247Sdamien int ntries; 1836145247Sdamien 1837145247Sdamien /* disable interrupts */ 1838145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0); 1839145247Sdamien 1840145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_STOP_MASTER); 1841145247Sdamien for (ntries = 0; ntries < 50; ntries++) { 1842145247Sdamien if (CSR_READ_4(sc, IPW_CSR_RST) & IPW_RST_MASTER_DISABLED) 1843145247Sdamien break; 1844145247Sdamien DELAY(10); 1845145247Sdamien } 1846145247Sdamien if (ntries == 50) 1847145247Sdamien device_printf(sc->sc_dev, "timeout waiting for master\n"); 1848145247Sdamien 1849156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_RST); 1850156599Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_PRINCETON_RESET); 1851145247Sdamien 1852172567Sthompsa /* Clear all flags except the following */ 1853172567Sthompsa sc->flags &= IPW_FLAG_HAS_RADIO_SWITCH; 1854145247Sdamien} 1855145247Sdamien 1856145247Sdamienstatic int 1857145247Sdamienipw_reset(struct ipw_softc *sc) 1858145247Sdamien{ 1859156599Sdamien uint32_t tmp; 1860145247Sdamien int ntries; 1861145247Sdamien 1862145247Sdamien ipw_stop_master(sc); 1863145247Sdamien 1864145247Sdamien /* move adapter to D0 state */ 1865156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1866156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_INIT); 1867145247Sdamien 1868145247Sdamien /* wait for clock stabilization */ 1869145247Sdamien for (ntries = 0; ntries < 1000; ntries++) { 1870145247Sdamien if (CSR_READ_4(sc, IPW_CSR_CTL) & IPW_CTL_CLOCK_READY) 1871145247Sdamien break; 1872145247Sdamien DELAY(200); 1873145247Sdamien } 1874145247Sdamien if (ntries == 1000) 1875145247Sdamien return EIO; 1876145247Sdamien 1877156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_RST); 1878156599Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_SW_RESET); 1879145247Sdamien 1880145247Sdamien DELAY(10); 1881145247Sdamien 1882156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1883156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_INIT); 1884145247Sdamien 1885145247Sdamien return 0; 1886145247Sdamien} 1887145247Sdamien 1888172567Sthompsastatic int 1889172567Sthompsaipw_waitfordisable(struct ipw_softc *sc, int waitfor) 1890172567Sthompsa{ 1891172567Sthompsa int ms = hz < 1000 ? 1 : hz/10; 1892172567Sthompsa int i, error; 1893172567Sthompsa 1894172567Sthompsa for (i = 0; i < 100; i++) { 1895172567Sthompsa if (ipw_read_table1(sc, IPW_INFO_CARD_DISABLED) == waitfor) 1896172567Sthompsa return 0; 1897172567Sthompsa error = msleep(sc, &sc->sc_mtx, PCATCH, __func__, ms); 1898172567Sthompsa if (error == 0 || error != EWOULDBLOCK) 1899172567Sthompsa return 0; 1900172567Sthompsa } 1901172567Sthompsa DPRINTF(("%s: timeout waiting for %s\n", 1902172567Sthompsa __func__, waitfor ? "disable" : "enable")); 1903172567Sthompsa return ETIMEDOUT; 1904172567Sthompsa} 1905172567Sthompsa 1906172567Sthompsastatic int 1907172567Sthompsaipw_enable(struct ipw_softc *sc) 1908172567Sthompsa{ 1909172567Sthompsa int error; 1910172567Sthompsa 1911172567Sthompsa if ((sc->flags & IPW_FLAG_ENABLED) == 0) { 1912172567Sthompsa DPRINTF(("Enable adapter\n")); 1913172567Sthompsa error = ipw_cmd(sc, IPW_CMD_ENABLE, NULL, 0); 1914172567Sthompsa if (error != 0) 1915172567Sthompsa return error; 1916172567Sthompsa error = ipw_waitfordisable(sc, 0); 1917172567Sthompsa if (error != 0) 1918172567Sthompsa return error; 1919172567Sthompsa sc->flags |= IPW_FLAG_ENABLED; 1920172567Sthompsa } 1921172567Sthompsa return 0; 1922172567Sthompsa} 1923172567Sthompsa 1924172567Sthompsastatic int 1925172567Sthompsaipw_disable(struct ipw_softc *sc) 1926172567Sthompsa{ 1927172567Sthompsa int error; 1928172567Sthompsa 1929172567Sthompsa if (sc->flags & IPW_FLAG_ENABLED) { 1930172567Sthompsa DPRINTF(("Disable adapter\n")); 1931172567Sthompsa error = ipw_cmd(sc, IPW_CMD_DISABLE, NULL, 0); 1932172567Sthompsa if (error != 0) 1933172567Sthompsa return error; 1934172567Sthompsa error = ipw_waitfordisable(sc, 1); 1935172567Sthompsa if (error != 0) 1936172567Sthompsa return error; 1937172567Sthompsa sc->flags &= ~IPW_FLAG_ENABLED; 1938172567Sthompsa } 1939172567Sthompsa return 0; 1940172567Sthompsa} 1941172567Sthompsa 1942145247Sdamien/* 1943145247Sdamien * Upload the microcode to the device. 1944145247Sdamien */ 1945145247Sdamienstatic int 1946156599Sdamienipw_load_ucode(struct ipw_softc *sc, const char *uc, int size) 1947145247Sdamien{ 1948145247Sdamien int ntries; 1949145247Sdamien 1950145247Sdamien MEM_WRITE_4(sc, 0x3000e0, 0x80000000); 1951145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, 0); 1952145247Sdamien 1953145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0703); 1954145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0707); 1955145247Sdamien 1956145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1957145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1958145247Sdamien 1959145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x40); 1960145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1961145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x40); 1962145247Sdamien 1963145247Sdamien MEM_WRITE_MULTI_1(sc, 0x210010, uc, size); 1964145247Sdamien 1965145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1966145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1967145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x80); 1968145247Sdamien 1969145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0703); 1970145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0707); 1971145247Sdamien 1972145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1973145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1974145247Sdamien 1975145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1976145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x80); 1977145247Sdamien 1978145247Sdamien for (ntries = 0; ntries < 10; ntries++) { 1979145247Sdamien if (MEM_READ_1(sc, 0x210000) & 1) 1980145247Sdamien break; 1981145247Sdamien DELAY(10); 1982145247Sdamien } 1983145247Sdamien if (ntries == 10) { 1984145247Sdamien device_printf(sc->sc_dev, 1985145247Sdamien "timeout waiting for ucode to initialize\n"); 1986145247Sdamien return EIO; 1987145247Sdamien } 1988145247Sdamien 1989145247Sdamien MEM_WRITE_4(sc, 0x3000e0, 0); 1990145247Sdamien 1991145247Sdamien return 0; 1992145247Sdamien} 1993145247Sdamien 1994145247Sdamien/* set of macros to handle unaligned little endian data in firmware image */ 1995145247Sdamien#define GETLE32(p) ((p)[0] | (p)[1] << 8 | (p)[2] << 16 | (p)[3] << 24) 1996145247Sdamien#define GETLE16(p) ((p)[0] | (p)[1] << 8) 1997145247Sdamienstatic int 1998156599Sdamienipw_load_firmware(struct ipw_softc *sc, const char *fw, int size) 1999145247Sdamien{ 2000156599Sdamien const uint8_t *p, *end; 2001156599Sdamien uint32_t tmp, dst; 2002145247Sdamien uint16_t len; 2003145247Sdamien int error; 2004145247Sdamien 2005145247Sdamien p = fw; 2006145247Sdamien end = fw + size; 2007145247Sdamien while (p < end) { 2008145247Sdamien dst = GETLE32(p); p += 4; 2009145247Sdamien len = GETLE16(p); p += 2; 2010145247Sdamien 2011145247Sdamien ipw_write_mem_1(sc, dst, p, len); 2012145247Sdamien p += len; 2013145247Sdamien } 2014145247Sdamien 2015145247Sdamien CSR_WRITE_4(sc, IPW_CSR_IO, IPW_IO_GPIO1_ENABLE | IPW_IO_GPIO3_MASK | 2016145247Sdamien IPW_IO_LED_OFF); 2017145247Sdamien 2018145247Sdamien /* enable interrupts */ 2019145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK); 2020145247Sdamien 2021145247Sdamien /* kick the firmware */ 2022145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, 0); 2023145247Sdamien 2024156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 2025156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_ALLOW_STANDBY); 2026145247Sdamien 2027145247Sdamien /* wait at most one second for firmware initialization to complete */ 2028145247Sdamien if ((error = msleep(sc, &sc->sc_mtx, 0, "ipwinit", hz)) != 0) { 2029145247Sdamien device_printf(sc->sc_dev, "timeout waiting for firmware " 2030145247Sdamien "initialization to complete\n"); 2031145247Sdamien return error; 2032145247Sdamien } 2033145247Sdamien 2034156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_IO); 2035156599Sdamien CSR_WRITE_4(sc, IPW_CSR_IO, tmp | IPW_IO_GPIO1_MASK | 2036156599Sdamien IPW_IO_GPIO3_MASK); 2037145247Sdamien 2038145247Sdamien return 0; 2039145247Sdamien} 2040145247Sdamien 2041145247Sdamienstatic int 2042172567Sthompsaipw_setwepkeys(struct ipw_softc *sc) 2043172567Sthompsa{ 2044178354Ssam struct ifnet *ifp = sc->sc_ifp; 2045178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2046178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2047172567Sthompsa struct ipw_wep_key wepkey; 2048172567Sthompsa struct ieee80211_key *wk; 2049172567Sthompsa int error, i; 2050172567Sthompsa 2051172567Sthompsa for (i = 0; i < IEEE80211_WEP_NKID; i++) { 2052178354Ssam wk = &vap->iv_nw_keys[i]; 2053172567Sthompsa 2054172567Sthompsa if (wk->wk_cipher == NULL || 2055172567Sthompsa wk->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP) 2056172567Sthompsa continue; 2057172567Sthompsa 2058172567Sthompsa wepkey.idx = i; 2059172567Sthompsa wepkey.len = wk->wk_keylen; 2060172567Sthompsa memset(wepkey.key, 0, sizeof wepkey.key); 2061172567Sthompsa memcpy(wepkey.key, wk->wk_key, wk->wk_keylen); 2062172567Sthompsa DPRINTF(("Setting wep key index %u len %u\n", wepkey.idx, 2063172567Sthompsa wepkey.len)); 2064172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY, &wepkey, 2065172567Sthompsa sizeof wepkey); 2066172567Sthompsa if (error != 0) 2067172567Sthompsa return error; 2068172567Sthompsa } 2069172567Sthompsa return 0; 2070172567Sthompsa} 2071172567Sthompsa 2072172567Sthompsastatic int 2073172567Sthompsaipw_setwpaie(struct ipw_softc *sc, const void *ie, int ielen) 2074172567Sthompsa{ 2075172567Sthompsa struct ipw_wpa_ie wpaie; 2076172567Sthompsa 2077172567Sthompsa memset(&wpaie, 0, sizeof(wpaie)); 2078172567Sthompsa wpaie.len = htole32(ielen); 2079172567Sthompsa /* XXX verify length */ 2080172567Sthompsa memcpy(&wpaie.ie, ie, ielen); 2081172567Sthompsa DPRINTF(("Setting WPA IE\n")); 2082172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_WPA_IE, &wpaie, sizeof(wpaie)); 2083172567Sthompsa} 2084172567Sthompsa 2085172567Sthompsastatic int 2086172567Sthompsaipw_setbssid(struct ipw_softc *sc, uint8_t *bssid) 2087172567Sthompsa{ 2088172567Sthompsa static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 2089172567Sthompsa 2090172567Sthompsa if (bssid == NULL || bcmp(bssid, zerobssid, IEEE80211_ADDR_LEN) == 0) { 2091172567Sthompsa DPRINTF(("Setting mandatory BSSID to null\n")); 2092172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID, NULL, 0); 2093172567Sthompsa } else { 2094172567Sthompsa DPRINTF(("Setting mandatory BSSID to %6D\n", bssid, ":")); 2095172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID, 2096172567Sthompsa bssid, IEEE80211_ADDR_LEN); 2097172567Sthompsa } 2098172567Sthompsa} 2099172567Sthompsa 2100172567Sthompsastatic int 2101172567Sthompsaipw_setssid(struct ipw_softc *sc, void *ssid, size_t ssidlen) 2102172567Sthompsa{ 2103172567Sthompsa if (ssidlen == 0) { 2104172567Sthompsa /* 2105172567Sthompsa * A bug in the firmware breaks the ``don't associate'' 2106172567Sthompsa * bit in the scan options command. To compensate for 2107172567Sthompsa * this install a bogus ssid when no ssid is specified 2108172567Sthompsa * so the firmware won't try to associate. 2109172567Sthompsa */ 2110172567Sthompsa DPRINTF(("Setting bogus ESSID to WAR firmware bug\n")); 2111172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_ESSID, 2112172567Sthompsa "\x18\x19\x20\x21\x22\x23\x24\x25\x26\x27" 2113172567Sthompsa "\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f\x30\x31" 2114172567Sthompsa "\x32\x33\x34\x35\x36\x37\x38\x39\x3a\x3b" 2115172567Sthompsa "\x3c\x3d", IEEE80211_NWID_LEN); 2116172567Sthompsa } else { 2117172567Sthompsa#ifdef IPW_DEBUG 2118172567Sthompsa if (ipw_debug > 0) { 2119172567Sthompsa printf("Setting ESSID to "); 2120172567Sthompsa ieee80211_print_essid(ssid, ssidlen); 2121172567Sthompsa printf("\n"); 2122172567Sthompsa } 2123172567Sthompsa#endif 2124172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_ESSID, ssid, ssidlen); 2125172567Sthompsa } 2126172567Sthompsa} 2127172567Sthompsa 2128172567Sthompsastatic int 2129172567Sthompsaipw_setscanopts(struct ipw_softc *sc, uint32_t chanmask, uint32_t flags) 2130172567Sthompsa{ 2131172567Sthompsa struct ipw_scan_options opts; 2132172567Sthompsa 2133172567Sthompsa DPRINTF(("Scan options: mask 0x%x flags 0x%x\n", chanmask, flags)); 2134172567Sthompsa opts.channels = htole32(chanmask); 2135172567Sthompsa opts.flags = htole32(flags); 2136172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_SCAN_OPTIONS, &opts, sizeof(opts)); 2137172567Sthompsa} 2138172567Sthompsa 2139172567Sthompsastatic int 2140172567Sthompsaipw_scan(struct ipw_softc *sc) 2141172567Sthompsa{ 2142172567Sthompsa uint32_t params; 2143172567Sthompsa int error; 2144172567Sthompsa 2145172567Sthompsa DPRINTF(("%s: flags 0x%x\n", __func__, sc->flags)); 2146172567Sthompsa 2147172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) 2148172567Sthompsa return (EBUSY); 2149172567Sthompsa sc->flags |= IPW_FLAG_SCANNING | IPW_FLAG_HACK; 2150172567Sthompsa 2151172567Sthompsa /* NB: IPW_SCAN_DO_NOT_ASSOCIATE does not work (we set it anyway) */ 2152172567Sthompsa error = ipw_setscanopts(sc, 0x3fff, IPW_SCAN_DO_NOT_ASSOCIATE); 2153172567Sthompsa if (error != 0) 2154172567Sthompsa goto done; 2155172567Sthompsa 2156172567Sthompsa /* 2157172567Sthompsa * Setup null/bogus ssid so firmware doesn't use any previous 2158172567Sthompsa * ssid to try and associate. This is because the ``don't 2159172567Sthompsa * associate'' option bit is broken (sigh). 2160172567Sthompsa */ 2161172567Sthompsa error = ipw_setssid(sc, NULL, 0); 2162172567Sthompsa if (error != 0) 2163172567Sthompsa goto done; 2164172567Sthompsa 2165172567Sthompsa /* 2166172567Sthompsa * NB: the adapter may be disabled on association lost; 2167172567Sthompsa * if so just re-enable it to kick off scanning. 2168172567Sthompsa */ 2169172567Sthompsa DPRINTF(("Starting scan\n")); 2170172567Sthompsa sc->sc_scan_timer = 3; 2171172567Sthompsa if (sc->flags & IPW_FLAG_ENABLED) { 2172172567Sthompsa params = 0; /* XXX? */ 2173172567Sthompsa error = ipw_cmd(sc, IPW_CMD_BROADCAST_SCAN, 2174172567Sthompsa ¶ms, sizeof(params)); 2175172567Sthompsa } else 2176172567Sthompsa error = ipw_enable(sc); 2177172567Sthompsadone: 2178172567Sthompsa if (error != 0) { 2179172567Sthompsa DPRINTF(("Scan failed\n")); 2180172567Sthompsa sc->flags &= ~(IPW_FLAG_SCANNING | IPW_FLAG_HACK); 2181172567Sthompsa } 2182172567Sthompsa return (error); 2183172567Sthompsa} 2184172567Sthompsa 2185172567Sthompsastatic int 2186172567Sthompsaipw_setchannel(struct ipw_softc *sc, struct ieee80211_channel *chan) 2187172567Sthompsa{ 2188178354Ssam struct ifnet *ifp = sc->sc_ifp; 2189178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2190172567Sthompsa uint32_t data; 2191172567Sthompsa int error; 2192172567Sthompsa 2193172567Sthompsa data = htole32(ieee80211_chan2ieee(ic, chan)); 2194172567Sthompsa DPRINTF(("Setting channel to %u\n", le32toh(data))); 2195172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_CHANNEL, &data, sizeof data); 2196172567Sthompsa if (error == 0) 2197172567Sthompsa ipw_setcurchan(sc, chan); 2198172567Sthompsa return error; 2199172567Sthompsa} 2200172567Sthompsa 2201178354Ssamstatic void 2202191746Sthompsaipw_assoc(struct ieee80211com *ic, struct ieee80211vap *vap) 2203145247Sdamien{ 2204178354Ssam struct ifnet *ifp = vap->iv_ic->ic_ifp; 2205178354Ssam struct ipw_softc *sc = ifp->if_softc; 2206178354Ssam struct ieee80211_node *ni = vap->iv_bss; 2207145247Sdamien struct ipw_security security; 2208145247Sdamien uint32_t data; 2209172567Sthompsa int error; 2210178354Ssam IPW_LOCK_DECL; 2211145247Sdamien 2212178354Ssam IPW_LOCK(sc); 2213172567Sthompsa error = ipw_disable(sc); 2214172567Sthompsa if (error != 0) 2215178354Ssam goto done; 2216172567Sthompsa 2217152637Sdamien memset(&security, 0, sizeof security); 2218178354Ssam security.authmode = (ni->ni_authmode == IEEE80211_AUTH_SHARED) ? 2219145247Sdamien IPW_AUTH_SHARED : IPW_AUTH_OPEN; 2220145247Sdamien security.ciphers = htole32(IPW_CIPHER_NONE); 2221145247Sdamien DPRINTF(("Setting authmode to %u\n", security.authmode)); 2222172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_SECURITY_INFO, &security, 2223145247Sdamien sizeof security); 2224145247Sdamien if (error != 0) 2225178354Ssam goto done; 2226145247Sdamien 2227178354Ssam data = htole32(vap->iv_rtsthreshold); 2228178354Ssam DPRINTF(("Setting RTS threshold to %u\n", le32toh(data))); 2229178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_RTS_THRESHOLD, &data, sizeof data); 2230145247Sdamien if (error != 0) 2231178354Ssam goto done; 2232145247Sdamien 2233178354Ssam data = htole32(vap->iv_fragthreshold); 2234178354Ssam DPRINTF(("Setting frag threshold to %u\n", le32toh(data))); 2235178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_FRAG_THRESHOLD, &data, sizeof data); 2236145247Sdamien if (error != 0) 2237178354Ssam goto done; 2238145247Sdamien 2239178354Ssam if (vap->iv_flags & IEEE80211_F_PRIVACY) { 2240172567Sthompsa error = ipw_setwepkeys(sc); 2241172567Sthompsa if (error != 0) 2242178354Ssam goto done; 2243172567Sthompsa 2244178354Ssam if (vap->iv_def_txkey != IEEE80211_KEYIX_NONE) { 2245178354Ssam data = htole32(vap->iv_def_txkey); 2246172567Sthompsa DPRINTF(("Setting wep tx key index to %u\n", 2247172567Sthompsa le32toh(data))); 2248172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY_INDEX, &data, 2249172567Sthompsa sizeof data); 2250172567Sthompsa if (error != 0) 2251178354Ssam goto done; 2252172567Sthompsa } 2253172567Sthompsa } 2254172567Sthompsa 2255178354Ssam data = htole32((vap->iv_flags & IEEE80211_F_PRIVACY) ? IPW_WEPON : 0); 2256172567Sthompsa DPRINTF(("Setting wep flags to 0x%x\n", le32toh(data))); 2257172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_FLAGS, &data, sizeof data); 2258172567Sthompsa if (error != 0) 2259178354Ssam goto done; 2260172567Sthompsa 2261172567Sthompsa error = ipw_setssid(sc, ni->ni_essid, ni->ni_esslen); 2262172567Sthompsa if (error != 0) 2263178354Ssam goto done; 2264172567Sthompsa 2265172567Sthompsa error = ipw_setbssid(sc, ni->ni_bssid); 2266172567Sthompsa if (error != 0) 2267178354Ssam goto done; 2268172567Sthompsa 2269206766Sbschmidt if (vap->iv_appie_wpa != NULL) { 2270206766Sbschmidt struct ieee80211_appie *ie = vap->iv_appie_wpa; 2271178354Ssam error = ipw_setwpaie(sc, ie->ie_data, ie->ie_len); 2272172567Sthompsa if (error != 0) 2273178354Ssam goto done; 2274172567Sthompsa } 2275172567Sthompsa if (ic->ic_opmode == IEEE80211_M_IBSS) { 2276172567Sthompsa error = ipw_setchannel(sc, ni->ni_chan); 2277172567Sthompsa if (error != 0) 2278178354Ssam goto done; 2279172567Sthompsa } 2280172567Sthompsa 2281172567Sthompsa /* lock scan to ap's channel and enable associate */ 2282172567Sthompsa error = ipw_setscanopts(sc, 2283178354Ssam 1<<(ieee80211_chan2ieee(ic, ni->ni_chan)-1), 0); 2284178354Ssam if (error != 0) 2285178354Ssam goto done; 2286172567Sthompsa 2287178354Ssam error = ipw_enable(sc); /* finally, enable adapter */ 2288178354Ssam if (error == 0) 2289178354Ssam sc->flags |= IPW_FLAG_ASSOCIATING; 2290178354Ssamdone: 2291178354Ssam IPW_UNLOCK(sc); 2292172567Sthompsa} 2293172567Sthompsa 2294172567Sthompsastatic void 2295191746Sthompsaipw_disassoc(struct ieee80211com *ic, struct ieee80211vap *vap) 2296172567Sthompsa{ 2297178354Ssam struct ifnet *ifp = vap->iv_ic->ic_ifp; 2298178354Ssam struct ieee80211_node *ni = vap->iv_bss; 2299178354Ssam struct ipw_softc *sc = ifp->if_softc; 2300172567Sthompsa IPW_LOCK_DECL; 2301172567Sthompsa 2302172567Sthompsa IPW_LOCK(sc); 2303172567Sthompsa DPRINTF(("Disassociate from %6D\n", ni->ni_bssid, ":")); 2304172567Sthompsa /* 2305172567Sthompsa * NB: don't try to do this if ipw_stop_master has 2306172567Sthompsa * shutdown the firmware and disabled interrupts. 2307172567Sthompsa */ 2308178354Ssam if (sc->flags & IPW_FLAG_FW_INITED) { 2309178354Ssam sc->flags &= ~IPW_FLAG_ASSOCIATED; 2310178354Ssam /* 2311178354Ssam * NB: firmware currently ignores bssid parameter, but 2312178354Ssam * supply it in case this changes (follow linux driver). 2313178354Ssam */ 2314178354Ssam (void) ipw_cmd(sc, IPW_CMD_DISASSOCIATE, 2315178354Ssam ni->ni_bssid, IEEE80211_ADDR_LEN); 2316178354Ssam } 2317178354Ssam IPW_UNLOCK(sc); 2318172567Sthompsa} 2319172567Sthompsa 2320172567Sthompsa/* 2321156599Sdamien * Handler for sc_init_task. This is a simple wrapper around ipw_init(). 2322156599Sdamien * It is called on firmware panics or on watchdog timeouts. 2323156599Sdamien */ 2324145247Sdamienstatic void 2325156599Sdamienipw_init_task(void *context, int pending) 2326156599Sdamien{ 2327156599Sdamien ipw_init(context); 2328156599Sdamien} 2329156599Sdamien 2330156599Sdamienstatic void 2331145247Sdamienipw_init(void *priv) 2332145247Sdamien{ 2333145247Sdamien struct ipw_softc *sc = priv; 2334178354Ssam struct ifnet *ifp = sc->sc_ifp; 2335178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2336172567Sthompsa IPW_LOCK_DECL; 2337172567Sthompsa 2338172567Sthompsa IPW_LOCK(sc); 2339178354Ssam ipw_init_locked(sc); 2340172567Sthompsa IPW_UNLOCK(sc); 2341178354Ssam 2342178931Sthompsa if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2343178931Sthompsa ieee80211_start_all(ic); /* start all vap's */ 2344172567Sthompsa} 2345172567Sthompsa 2346172567Sthompsastatic void 2347178354Ssamipw_init_locked(struct ipw_softc *sc) 2348172567Sthompsa{ 2349178354Ssam struct ifnet *ifp = sc->sc_ifp; 2350178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2351178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2352166756Sluigi const struct firmware *fp; 2353156599Sdamien const struct ipw_firmware_hdr *hdr; 2354178354Ssam const char *fw; 2355145247Sdamien 2356172567Sthompsa IPW_LOCK_ASSERT(sc); 2357156599Sdamien 2358172567Sthompsa DPRINTF(("%s: state %s flags 0x%x\n", __func__, 2359178354Ssam ieee80211_state_name[vap->iv_state], sc->flags)); 2360172567Sthompsa 2361156599Sdamien /* 2362156599Sdamien * Avoid re-entrant calls. We need to release the mutex in ipw_init() 2363156599Sdamien * when loading the firmware and we don't want to be called during this 2364156599Sdamien * operation. 2365156599Sdamien */ 2366172567Sthompsa if (sc->flags & IPW_FLAG_INIT_LOCKED) 2367145247Sdamien return; 2368156599Sdamien sc->flags |= IPW_FLAG_INIT_LOCKED; 2369145247Sdamien 2370172567Sthompsa ipw_stop_locked(sc); 2371145247Sdamien 2372145247Sdamien if (ipw_reset(sc) != 0) { 2373145247Sdamien device_printf(sc->sc_dev, "could not reset adapter\n"); 2374178354Ssam goto fail; 2375145247Sdamien } 2376145247Sdamien 2377159487Siedowse if (sc->sc_firmware == NULL) { 2378178354Ssam device_printf(sc->sc_dev, "no firmware\n"); 2379178354Ssam goto fail; 2380156599Sdamien } 2381178354Ssam /* NB: consistency already checked on load */ 2382159487Siedowse fp = sc->sc_firmware; 2383156599Sdamien hdr = (const struct ipw_firmware_hdr *)fp->data; 2384156599Sdamien 2385178354Ssam DPRINTF(("Loading firmware image '%s'\n", fp->name)); 2386156599Sdamien fw = (const char *)fp->data + sizeof *hdr + le32toh(hdr->mainsz); 2387156599Sdamien if (ipw_load_ucode(sc, fw, le32toh(hdr->ucodesz)) != 0) { 2388145247Sdamien device_printf(sc->sc_dev, "could not load microcode\n"); 2389178354Ssam goto fail; 2390145247Sdamien } 2391145247Sdamien 2392145247Sdamien ipw_stop_master(sc); 2393145247Sdamien 2394145247Sdamien /* 2395145247Sdamien * Setup tx, rx and status rings. 2396145247Sdamien */ 2397145247Sdamien sc->txold = IPW_NTBD - 1; 2398145247Sdamien sc->txcur = 0; 2399145247Sdamien sc->txfree = IPW_NTBD - 2; 2400145247Sdamien sc->rxcur = IPW_NRBD - 1; 2401145247Sdamien 2402145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_BASE, sc->tbd_phys); 2403145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_SIZE, IPW_NTBD); 2404145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_READ, 0); 2405145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 2406145247Sdamien 2407145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_BASE, sc->rbd_phys); 2408145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_SIZE, IPW_NRBD); 2409145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_READ, 0); 2410145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_WRITE, sc->rxcur); 2411145247Sdamien 2412145247Sdamien CSR_WRITE_4(sc, IPW_CSR_STATUS_BASE, sc->status_phys); 2413145247Sdamien 2414156599Sdamien fw = (const char *)fp->data + sizeof *hdr; 2415156599Sdamien if (ipw_load_firmware(sc, fw, le32toh(hdr->mainsz)) != 0) { 2416145247Sdamien device_printf(sc->sc_dev, "could not load firmware\n"); 2417178354Ssam goto fail; 2418145247Sdamien } 2419145247Sdamien 2420145247Sdamien sc->flags |= IPW_FLAG_FW_INITED; 2421145247Sdamien 2422145247Sdamien /* retrieve information tables base addresses */ 2423145247Sdamien sc->table1_base = CSR_READ_4(sc, IPW_CSR_TABLE1_BASE); 2424145247Sdamien sc->table2_base = CSR_READ_4(sc, IPW_CSR_TABLE2_BASE); 2425145247Sdamien 2426145247Sdamien ipw_write_table1(sc, IPW_INFO_LOCK, 0); 2427145247Sdamien 2428145247Sdamien if (ipw_config(sc) != 0) { 2429145247Sdamien device_printf(sc->sc_dev, "device configuration failed\n"); 2430178354Ssam goto fail; 2431145247Sdamien } 2432145247Sdamien 2433172567Sthompsa callout_reset(&sc->sc_wdtimer, hz, ipw_watchdog, sc); 2434148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2435148887Srwatson ifp->if_drv_flags |= IFF_DRV_RUNNING; 2436145247Sdamien 2437156599Sdamien sc->flags &=~ IPW_FLAG_INIT_LOCKED; 2438145247Sdamien return; 2439145247Sdamien 2440178354Ssamfail: 2441172567Sthompsa ipw_stop_locked(sc); 2442156599Sdamien sc->flags &=~ IPW_FLAG_INIT_LOCKED; 2443145247Sdamien} 2444145247Sdamien 2445178354Ssamstatic int 2446178354Ssamipw_config(struct ipw_softc *sc) 2447178354Ssam{ 2448178354Ssam struct ifnet *ifp = sc->sc_ifp; 2449178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2450178354Ssam struct ipw_configuration config; 2451178354Ssam uint32_t data; 2452178354Ssam int error; 2453178354Ssam 2454178354Ssam error = ipw_disable(sc); 2455178354Ssam if (error != 0) 2456178354Ssam return error; 2457178354Ssam 2458178354Ssam switch (ic->ic_opmode) { 2459178354Ssam case IEEE80211_M_STA: 2460178354Ssam case IEEE80211_M_HOSTAP: 2461178354Ssam case IEEE80211_M_WDS: /* XXX */ 2462178354Ssam data = htole32(IPW_MODE_BSS); 2463178354Ssam break; 2464178354Ssam case IEEE80211_M_IBSS: 2465178354Ssam case IEEE80211_M_AHDEMO: 2466178354Ssam data = htole32(IPW_MODE_IBSS); 2467178354Ssam break; 2468178354Ssam case IEEE80211_M_MONITOR: 2469178354Ssam data = htole32(IPW_MODE_MONITOR); 2470178354Ssam break; 2471195562Srpaulo default: 2472195562Srpaulo device_printf(sc->sc_dev, "unknown opmode %d\n", ic->ic_opmode); 2473195562Srpaulo return EINVAL; 2474178354Ssam } 2475178354Ssam DPRINTF(("Setting mode to %u\n", le32toh(data))); 2476178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_MODE, &data, sizeof data); 2477178354Ssam if (error != 0) 2478178354Ssam return error; 2479178354Ssam 2480178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS || 2481178354Ssam ic->ic_opmode == IEEE80211_M_MONITOR) { 2482178354Ssam error = ipw_setchannel(sc, ic->ic_curchan); 2483178354Ssam if (error != 0) 2484178354Ssam return error; 2485178354Ssam } 2486178354Ssam 2487178354Ssam if (ic->ic_opmode == IEEE80211_M_MONITOR) 2488178354Ssam return ipw_enable(sc); 2489178354Ssam 2490178354Ssam config.flags = htole32(IPW_CFG_BSS_MASK | IPW_CFG_IBSS_MASK | 2491178354Ssam IPW_CFG_PREAMBLE_AUTO | IPW_CFG_802_1x_ENABLE); 2492178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS) 2493178354Ssam config.flags |= htole32(IPW_CFG_IBSS_AUTO_START); 2494178354Ssam if (ifp->if_flags & IFF_PROMISC) 2495178354Ssam config.flags |= htole32(IPW_CFG_PROMISCUOUS); 2496178354Ssam config.bss_chan = htole32(0x3fff); /* channels 1-14 */ 2497178354Ssam config.ibss_chan = htole32(0x7ff); /* channels 1-11 */ 2498178354Ssam DPRINTF(("Setting configuration to 0x%x\n", le32toh(config.flags))); 2499178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_CONFIGURATION, &config, sizeof config); 2500178354Ssam if (error != 0) 2501178354Ssam return error; 2502178354Ssam 2503178354Ssam data = htole32(0x3); /* 1, 2 */ 2504178354Ssam DPRINTF(("Setting basic tx rates to 0x%x\n", le32toh(data))); 2505178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_BASIC_TX_RATES, &data, sizeof data); 2506178354Ssam if (error != 0) 2507178354Ssam return error; 2508178354Ssam 2509178354Ssam /* NB: use the same rate set */ 2510178354Ssam DPRINTF(("Setting msdu tx rates to 0x%x\n", le32toh(data))); 2511178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_MSDU_TX_RATES, &data, sizeof data); 2512178354Ssam if (error != 0) 2513178354Ssam return error; 2514178354Ssam 2515178354Ssam data = htole32(0xf); /* 1, 2, 5.5, 11 */ 2516178354Ssam DPRINTF(("Setting tx rates to 0x%x\n", le32toh(data))); 2517178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_TX_RATES, &data, sizeof data); 2518178354Ssam if (error != 0) 2519178354Ssam return error; 2520178354Ssam 2521178354Ssam data = htole32(IPW_POWER_MODE_CAM); 2522178354Ssam DPRINTF(("Setting power mode to %u\n", le32toh(data))); 2523178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_POWER_MODE, &data, sizeof data); 2524178354Ssam if (error != 0) 2525178354Ssam return error; 2526178354Ssam 2527178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS) { 2528178354Ssam data = htole32(32); /* default value */ 2529178354Ssam DPRINTF(("Setting tx power index to %u\n", le32toh(data))); 2530178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_TX_POWER_INDEX, &data, 2531178354Ssam sizeof data); 2532178354Ssam if (error != 0) 2533178354Ssam return error; 2534178354Ssam } 2535178354Ssam 2536178354Ssam return 0; 2537178354Ssam} 2538178354Ssam 2539145247Sdamienstatic void 2540145247Sdamienipw_stop(void *priv) 2541145247Sdamien{ 2542145247Sdamien struct ipw_softc *sc = priv; 2543172567Sthompsa IPW_LOCK_DECL; 2544172567Sthompsa 2545172567Sthompsa IPW_LOCK(sc); 2546172567Sthompsa ipw_stop_locked(sc); 2547172567Sthompsa IPW_UNLOCK(sc); 2548172567Sthompsa} 2549172567Sthompsa 2550172567Sthompsastatic void 2551172567Sthompsaipw_stop_locked(struct ipw_softc *sc) 2552172567Sthompsa{ 2553178354Ssam struct ifnet *ifp = sc->sc_ifp; 2554145247Sdamien int i; 2555145247Sdamien 2556172567Sthompsa IPW_LOCK_ASSERT(sc); 2557156599Sdamien 2558172567Sthompsa callout_stop(&sc->sc_wdtimer); 2559145247Sdamien ipw_stop_master(sc); 2560145247Sdamien 2561145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_SW_RESET); 2562145247Sdamien 2563145247Sdamien /* 2564145247Sdamien * Release tx buffers. 2565145247Sdamien */ 2566145247Sdamien for (i = 0; i < IPW_NTBD; i++) 2567145247Sdamien ipw_release_sbd(sc, &sc->stbd_list[i]); 2568145247Sdamien 2569145247Sdamien sc->sc_tx_timer = 0; 2570148887Srwatson ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 2571145247Sdamien} 2572145247Sdamien 2573145247Sdamienstatic int 2574145247Sdamienipw_sysctl_stats(SYSCTL_HANDLER_ARGS) 2575145247Sdamien{ 2576145247Sdamien struct ipw_softc *sc = arg1; 2577145247Sdamien uint32_t i, size, buf[256]; 2578145247Sdamien 2579174317Sphilip memset(buf, 0, sizeof buf); 2580174317Sphilip 2581174317Sphilip if (!(sc->flags & IPW_FLAG_FW_INITED)) 2582145247Sdamien return SYSCTL_OUT(req, buf, sizeof buf); 2583145247Sdamien 2584145247Sdamien CSR_WRITE_4(sc, IPW_CSR_AUTOINC_ADDR, sc->table1_base); 2585145247Sdamien 2586145247Sdamien size = min(CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA), 256); 2587145247Sdamien for (i = 1; i < size; i++) 2588145247Sdamien buf[i] = MEM_READ_4(sc, CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA)); 2589145247Sdamien 2590174317Sphilip return SYSCTL_OUT(req, buf, size); 2591145247Sdamien} 2592145247Sdamien 2593145247Sdamienstatic int 2594145247Sdamienipw_sysctl_radio(SYSCTL_HANDLER_ARGS) 2595145247Sdamien{ 2596145247Sdamien struct ipw_softc *sc = arg1; 2597145247Sdamien int val; 2598145247Sdamien 2599145247Sdamien val = !((sc->flags & IPW_FLAG_HAS_RADIO_SWITCH) && 2600145247Sdamien (CSR_READ_4(sc, IPW_CSR_IO) & IPW_IO_RADIO_DISABLED)); 2601145247Sdamien 2602145247Sdamien return SYSCTL_OUT(req, &val, sizeof val); 2603145247Sdamien} 2604145247Sdamien 2605145247Sdamienstatic uint32_t 2606145247Sdamienipw_read_table1(struct ipw_softc *sc, uint32_t off) 2607145247Sdamien{ 2608145247Sdamien return MEM_READ_4(sc, MEM_READ_4(sc, sc->table1_base + off)); 2609145247Sdamien} 2610145247Sdamien 2611145247Sdamienstatic void 2612145247Sdamienipw_write_table1(struct ipw_softc *sc, uint32_t off, uint32_t info) 2613145247Sdamien{ 2614145247Sdamien MEM_WRITE_4(sc, MEM_READ_4(sc, sc->table1_base + off), info); 2615145247Sdamien} 2616145247Sdamien 2617172567Sthompsa#if 0 2618145247Sdamienstatic int 2619145247Sdamienipw_read_table2(struct ipw_softc *sc, uint32_t off, void *buf, uint32_t *len) 2620145247Sdamien{ 2621145247Sdamien uint32_t addr, info; 2622145247Sdamien uint16_t count, size; 2623145247Sdamien uint32_t total; 2624145247Sdamien 2625145247Sdamien /* addr[4] + count[2] + size[2] */ 2626145247Sdamien addr = MEM_READ_4(sc, sc->table2_base + off); 2627145247Sdamien info = MEM_READ_4(sc, sc->table2_base + off + 4); 2628145247Sdamien 2629145247Sdamien count = info >> 16; 2630145247Sdamien size = info & 0xffff; 2631145247Sdamien total = count * size; 2632145247Sdamien 2633145247Sdamien if (total > *len) { 2634145247Sdamien *len = total; 2635145247Sdamien return EINVAL; 2636145247Sdamien } 2637145247Sdamien 2638145247Sdamien *len = total; 2639145247Sdamien ipw_read_mem_1(sc, addr, buf, total); 2640145247Sdamien 2641145247Sdamien return 0; 2642145247Sdamien} 2643145247Sdamien 2644145247Sdamienstatic void 2645145247Sdamienipw_read_mem_1(struct ipw_softc *sc, bus_size_t offset, uint8_t *datap, 2646145247Sdamien bus_size_t count) 2647145247Sdamien{ 2648145247Sdamien for (; count > 0; offset++, datap++, count--) { 2649145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INDIRECT_ADDR, offset & ~3); 2650145247Sdamien *datap = CSR_READ_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3)); 2651145247Sdamien } 2652145247Sdamien} 2653172567Sthompsa#endif 2654145247Sdamien 2655145247Sdamienstatic void 2656156599Sdamienipw_write_mem_1(struct ipw_softc *sc, bus_size_t offset, const uint8_t *datap, 2657145247Sdamien bus_size_t count) 2658145247Sdamien{ 2659145247Sdamien for (; count > 0; offset++, datap++, count--) { 2660145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INDIRECT_ADDR, offset & ~3); 2661145247Sdamien CSR_WRITE_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3), *datap); 2662145247Sdamien } 2663145247Sdamien} 2664172567Sthompsa 2665172567Sthompsastatic void 2666172567Sthompsaipw_scan_start(struct ieee80211com *ic) 2667172567Sthompsa{ 2668172567Sthompsa struct ifnet *ifp = ic->ic_ifp; 2669172567Sthompsa struct ipw_softc *sc = ifp->if_softc; 2670172567Sthompsa IPW_LOCK_DECL; 2671172567Sthompsa 2672172567Sthompsa IPW_LOCK(sc); 2673191746Sthompsa ipw_scan(sc); 2674172567Sthompsa IPW_UNLOCK(sc); 2675172567Sthompsa} 2676172567Sthompsa 2677172567Sthompsastatic void 2678172567Sthompsaipw_set_channel(struct ieee80211com *ic) 2679172567Sthompsa{ 2680172567Sthompsa struct ifnet *ifp = ic->ic_ifp; 2681172567Sthompsa struct ipw_softc *sc = ifp->if_softc; 2682172567Sthompsa IPW_LOCK_DECL; 2683172567Sthompsa 2684172567Sthompsa IPW_LOCK(sc); 2685172567Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 2686172567Sthompsa ipw_disable(sc); 2687172567Sthompsa ipw_setchannel(sc, ic->ic_curchan); 2688172567Sthompsa ipw_enable(sc); 2689172567Sthompsa } 2690172567Sthompsa IPW_UNLOCK(sc); 2691172567Sthompsa} 2692172567Sthompsa 2693172567Sthompsastatic void 2694178354Ssamipw_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 2695172567Sthompsa{ 2696172567Sthompsa /* NB: all channels are scanned at once */ 2697172567Sthompsa} 2698172567Sthompsa 2699172567Sthompsastatic void 2700178354Ssamipw_scan_mindwell(struct ieee80211_scan_state *ss) 2701172567Sthompsa{ 2702172567Sthompsa /* NB: don't try to abort scan; wait for firmware to finish */ 2703172567Sthompsa} 2704172567Sthompsa 2705172567Sthompsastatic void 2706172567Sthompsaipw_scan_end(struct ieee80211com *ic) 2707172567Sthompsa{ 2708172567Sthompsa struct ifnet *ifp = ic->ic_ifp; 2709172567Sthompsa struct ipw_softc *sc = ifp->if_softc; 2710172567Sthompsa IPW_LOCK_DECL; 2711172567Sthompsa 2712172567Sthompsa IPW_LOCK(sc); 2713172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 2714172567Sthompsa IPW_UNLOCK(sc); 2715172567Sthompsa} 2716