if_ipw.c revision 178957
1145247Sdamien/* $FreeBSD: head/sys/dev/ipw/if_ipw.c 178957 2008-05-12 00:15:30Z sam $ */ 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 178957 2008-05-12 00:15:30Z sam $"); 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 *); 121178354Ssamstatic void ipw_assocsuccess(void *, int); 122178354Ssamstatic void ipw_assocfailed(void *, int); 123178354Ssamstatic void ipw_scandone(void *, int); 124178354Ssamstatic void ipw_bmiss(void *, int); 125172567Sthompsastatic void ipw_rx_newstate_intr(struct ipw_softc *, struct ipw_soft_buf *); 126172567Sthompsastatic void ipw_rx_data_intr(struct ipw_softc *, struct ipw_status *, 127145247Sdamien struct ipw_soft_bd *, struct ipw_soft_buf *); 128145247Sdamienstatic void ipw_rx_intr(struct ipw_softc *); 129145247Sdamienstatic void ipw_release_sbd(struct ipw_softc *, struct ipw_soft_bd *); 130145247Sdamienstatic void ipw_tx_intr(struct ipw_softc *); 131145247Sdamienstatic void ipw_intr(void *); 132145247Sdamienstatic void ipw_dma_map_addr(void *, bus_dma_segment_t *, int, int); 133172567Sthompsastatic const char * ipw_cmdname(int); 134145247Sdamienstatic int ipw_cmd(struct ipw_softc *, uint32_t, void *, uint32_t); 135145247Sdamienstatic int ipw_tx_start(struct ifnet *, struct mbuf *, 136145247Sdamien struct ieee80211_node *); 137178354Ssamstatic int ipw_raw_xmit(struct ieee80211_node *, struct mbuf *, 138178354Ssam const struct ieee80211_bpf_params *); 139145247Sdamienstatic void ipw_start(struct ifnet *); 140172567Sthompsastatic void ipw_start_locked(struct ifnet *); 141172567Sthompsastatic void ipw_watchdog(void *); 142145247Sdamienstatic int ipw_ioctl(struct ifnet *, u_long, caddr_t); 143145247Sdamienstatic void ipw_stop_master(struct ipw_softc *); 144172567Sthompsastatic int ipw_enable(struct ipw_softc *); 145172567Sthompsastatic int ipw_disable(struct ipw_softc *); 146145247Sdamienstatic int ipw_reset(struct ipw_softc *); 147156599Sdamienstatic int ipw_load_ucode(struct ipw_softc *, const char *, int); 148156599Sdamienstatic int ipw_load_firmware(struct ipw_softc *, const char *, int); 149145247Sdamienstatic int ipw_config(struct ipw_softc *); 150172567Sthompsastatic void ipw_assoc_task(void *, int); 151172567Sthompsastatic void ipw_disassoc_task(void *, int); 152156599Sdamienstatic void ipw_init_task(void *, int); 153145247Sdamienstatic void ipw_init(void *); 154178354Ssamstatic void ipw_init_locked(struct ipw_softc *); 155145247Sdamienstatic void ipw_stop(void *); 156172567Sthompsastatic void ipw_stop_locked(struct ipw_softc *); 157145247Sdamienstatic int ipw_sysctl_stats(SYSCTL_HANDLER_ARGS); 158145247Sdamienstatic int ipw_sysctl_radio(SYSCTL_HANDLER_ARGS); 159145247Sdamienstatic uint32_t ipw_read_table1(struct ipw_softc *, uint32_t); 160145247Sdamienstatic void ipw_write_table1(struct ipw_softc *, uint32_t, uint32_t); 161172567Sthompsa#if 0 162145247Sdamienstatic int ipw_read_table2(struct ipw_softc *, uint32_t, void *, 163145247Sdamien uint32_t *); 164145247Sdamienstatic void ipw_read_mem_1(struct ipw_softc *, bus_size_t, uint8_t *, 165145247Sdamien bus_size_t); 166172567Sthompsa#endif 167156599Sdamienstatic void ipw_write_mem_1(struct ipw_softc *, bus_size_t, 168156599Sdamien const uint8_t *, bus_size_t); 169172567Sthompsastatic void ipw_scan_task(void *, int); 170172567Sthompsastatic int ipw_scan(struct ipw_softc *); 171172567Sthompsastatic void ipw_scan_start(struct ieee80211com *); 172172567Sthompsastatic void ipw_scan_end(struct ieee80211com *); 173172567Sthompsastatic void ipw_set_channel(struct ieee80211com *); 174178354Ssamstatic void ipw_scan_curchan(struct ieee80211_scan_state *, 175178354Ssam unsigned long maxdwell); 176178354Ssamstatic void ipw_scan_mindwell(struct ieee80211_scan_state *); 177145247Sdamien 178145247Sdamienstatic int ipw_probe(device_t); 179145247Sdamienstatic int ipw_attach(device_t); 180145247Sdamienstatic int ipw_detach(device_t); 181145247Sdamienstatic int ipw_shutdown(device_t); 182145247Sdamienstatic int ipw_suspend(device_t); 183145247Sdamienstatic int ipw_resume(device_t); 184145247Sdamien 185145247Sdamienstatic device_method_t ipw_methods[] = { 186145247Sdamien /* Device interface */ 187145247Sdamien DEVMETHOD(device_probe, ipw_probe), 188145247Sdamien DEVMETHOD(device_attach, ipw_attach), 189145247Sdamien DEVMETHOD(device_detach, ipw_detach), 190145247Sdamien DEVMETHOD(device_shutdown, ipw_shutdown), 191145247Sdamien DEVMETHOD(device_suspend, ipw_suspend), 192145247Sdamien DEVMETHOD(device_resume, ipw_resume), 193145247Sdamien 194145247Sdamien { 0, 0 } 195145247Sdamien}; 196145247Sdamien 197145247Sdamienstatic driver_t ipw_driver = { 198145247Sdamien "ipw", 199145247Sdamien ipw_methods, 200145247Sdamien sizeof (struct ipw_softc) 201145247Sdamien}; 202145247Sdamien 203145247Sdamienstatic devclass_t ipw_devclass; 204145247Sdamien 205145247SdamienDRIVER_MODULE(ipw, pci, ipw_driver, ipw_devclass, 0, 0); 206172567SthompsaDRIVER_MODULE(ipw, cardbus, ipw_driver, ipw_devclass, 0, 0); 207145247Sdamien 208145247Sdamienstatic int 209145247Sdamienipw_probe(device_t dev) 210145247Sdamien{ 211145247Sdamien const struct ipw_ident *ident; 212145247Sdamien 213145247Sdamien for (ident = ipw_ident_table; ident->name != NULL; ident++) { 214145247Sdamien if (pci_get_vendor(dev) == ident->vendor && 215145247Sdamien pci_get_device(dev) == ident->device) { 216145247Sdamien device_set_desc(dev, ident->name); 217145247Sdamien return 0; 218145247Sdamien } 219145247Sdamien } 220145247Sdamien return ENXIO; 221145247Sdamien} 222145247Sdamien 223145247Sdamien/* Base Address Register */ 224145247Sdamien#define IPW_PCI_BAR0 0x10 225145247Sdamien 226145247Sdamienstatic int 227145247Sdamienipw_attach(device_t dev) 228145247Sdamien{ 229145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 230147256Sbrooks struct ifnet *ifp; 231178354Ssam struct ieee80211com *ic; 232170530Ssam struct ieee80211_channel *c; 233145247Sdamien uint16_t val; 234145247Sdamien int error, i; 235145247Sdamien 236145247Sdamien sc->sc_dev = dev; 237145247Sdamien 238145247Sdamien mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 239145247Sdamien MTX_DEF | MTX_RECURSE); 240145247Sdamien 241156599Sdamien TASK_INIT(&sc->sc_init_task, 0, ipw_init_task, sc); 242172567Sthompsa TASK_INIT(&sc->sc_scan_task, 0, ipw_scan_task, sc); 243178354Ssam TASK_INIT(&sc->sc_bmiss_task, 0, ipw_bmiss, sc); 244172567Sthompsa callout_init_mtx(&sc->sc_wdtimer, &sc->sc_mtx, 0); 245156599Sdamien 246145247Sdamien if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) { 247145247Sdamien device_printf(dev, "chip is in D%d power mode " 248145247Sdamien "-- setting to D0\n", pci_get_powerstate(dev)); 249145247Sdamien pci_set_powerstate(dev, PCI_POWERSTATE_D0); 250145247Sdamien } 251145247Sdamien 252146498Sdamien pci_write_config(dev, 0x41, 0, 1); 253146498Sdamien 254145247Sdamien /* enable bus-mastering */ 255145247Sdamien pci_enable_busmaster(dev); 256145247Sdamien 257145247Sdamien sc->mem_rid = IPW_PCI_BAR0; 258145247Sdamien sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid, 259145247Sdamien RF_ACTIVE); 260145247Sdamien if (sc->mem == NULL) { 261145247Sdamien device_printf(dev, "could not allocate memory resource\n"); 262145247Sdamien goto fail; 263145247Sdamien } 264145247Sdamien 265145247Sdamien sc->sc_st = rman_get_bustag(sc->mem); 266145247Sdamien sc->sc_sh = rman_get_bushandle(sc->mem); 267145247Sdamien 268145247Sdamien sc->irq_rid = 0; 269145247Sdamien sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, 270145247Sdamien RF_ACTIVE | RF_SHAREABLE); 271145247Sdamien if (sc->irq == NULL) { 272145247Sdamien device_printf(dev, "could not allocate interrupt resource\n"); 273178354Ssam goto fail1; 274145247Sdamien } 275145247Sdamien 276145247Sdamien if (ipw_reset(sc) != 0) { 277145247Sdamien device_printf(dev, "could not reset adapter\n"); 278178354Ssam goto fail2; 279145247Sdamien } 280145247Sdamien 281145247Sdamien if (ipw_dma_alloc(sc) != 0) { 282145247Sdamien device_printf(dev, "could not allocate DMA resources\n"); 283178354Ssam goto fail2; 284145247Sdamien } 285147757Sdamien 286178354Ssam ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 287147256Sbrooks if (ifp == NULL) { 288147256Sbrooks device_printf(dev, "can not if_alloc()\n"); 289178354Ssam goto fail3; 290147256Sbrooks } 291178354Ssam ic = ifp->if_l2com; 292147757Sdamien 293145247Sdamien ifp->if_softc = sc; 294145247Sdamien if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 295145247Sdamien ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 296145247Sdamien ifp->if_init = ipw_init; 297145247Sdamien ifp->if_ioctl = ipw_ioctl; 298145247Sdamien ifp->if_start = ipw_start; 299145247Sdamien IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 300145247Sdamien ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN; 301145247Sdamien IFQ_SET_READY(&ifp->if_snd); 302145247Sdamien 303145247Sdamien ic->ic_ifp = ifp; 304178354Ssam ic->ic_opmode = IEEE80211_M_STA; 305145247Sdamien ic->ic_phytype = IEEE80211_T_DS; 306145247Sdamien 307145247Sdamien /* set device capabilities */ 308178957Ssam ic->ic_caps = 309178957Ssam IEEE80211_C_STA /* station mode supported */ 310178957Ssam | IEEE80211_C_IBSS /* IBSS mode supported */ 311172567Sthompsa | IEEE80211_C_MONITOR /* monitor mode supported */ 312172567Sthompsa | IEEE80211_C_PMGT /* power save supported */ 313172567Sthompsa | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 314172567Sthompsa | IEEE80211_C_WPA /* 802.11i supported */ 315172567Sthompsa ; 316145247Sdamien 317145247Sdamien /* read MAC address from EEPROM */ 318145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 0); 319145247Sdamien ic->ic_myaddr[0] = val >> 8; 320145247Sdamien ic->ic_myaddr[1] = val & 0xff; 321145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 1); 322145247Sdamien ic->ic_myaddr[2] = val >> 8; 323145247Sdamien ic->ic_myaddr[3] = val & 0xff; 324145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 2); 325145247Sdamien ic->ic_myaddr[4] = val >> 8; 326145247Sdamien ic->ic_myaddr[5] = val & 0xff; 327145247Sdamien 328170530Ssam /* set supported .11b channels (read from EEPROM) */ 329170530Ssam if ((val = ipw_read_prom_word(sc, IPW_EEPROM_CHANNEL_LIST)) == 0) 330170530Ssam val = 0x7ff; /* default to channels 1-11 */ 331170530Ssam val <<= 1; 332170530Ssam for (i = 1; i < 16; i++) { 333170530Ssam if (val & (1 << i)) { 334170530Ssam c = &ic->ic_channels[ic->ic_nchans++]; 335170530Ssam c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 336170530Ssam c->ic_flags = IEEE80211_CHAN_B; 337170530Ssam c->ic_ieee = i; 338170530Ssam } 339145247Sdamien } 340145247Sdamien 341145247Sdamien /* check support for radio transmitter switch in EEPROM */ 342145247Sdamien if (!(ipw_read_prom_word(sc, IPW_EEPROM_RADIO) & 8)) 343145247Sdamien sc->flags |= IPW_FLAG_HAS_RADIO_SWITCH; 344145247Sdamien 345145247Sdamien ieee80211_ifattach(ic); 346172567Sthompsa ic->ic_scan_start = ipw_scan_start; 347172567Sthompsa ic->ic_scan_end = ipw_scan_end; 348172567Sthompsa ic->ic_set_channel = ipw_set_channel; 349172567Sthompsa ic->ic_scan_curchan = ipw_scan_curchan; 350172567Sthompsa ic->ic_scan_mindwell = ipw_scan_mindwell; 351178354Ssam ic->ic_raw_xmit = ipw_raw_xmit; 352172567Sthompsa 353178354Ssam ic->ic_vap_create = ipw_vap_create; 354178354Ssam ic->ic_vap_delete = ipw_vap_delete; 355145247Sdamien 356178354Ssam bpfattach(ifp, DLT_IEEE802_11_RADIO, 357178354Ssam sizeof (struct ieee80211_frame) + sizeof (sc->sc_txtap)); 358178354Ssam 359171086Skevlo sc->sc_rxtap_len = sizeof sc->sc_rxtap; 360145247Sdamien sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 361145247Sdamien sc->sc_rxtap.wr_ihdr.it_present = htole32(IPW_RX_RADIOTAP_PRESENT); 362145247Sdamien 363171086Skevlo sc->sc_txtap_len = sizeof sc->sc_txtap; 364145247Sdamien sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 365145247Sdamien sc->sc_txtap.wt_ihdr.it_present = htole32(IPW_TX_RADIOTAP_PRESENT); 366145247Sdamien 367145247Sdamien /* 368145247Sdamien * Add a few sysctl knobs. 369145247Sdamien */ 370145247Sdamien SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 371145247Sdamien SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "radio", 372145247Sdamien CTLTYPE_INT | CTLFLAG_RD, sc, 0, ipw_sysctl_radio, "I", 373145247Sdamien "radio transmitter switch state (0=off, 1=on)"); 374145247Sdamien 375145247Sdamien SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 376145247Sdamien SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "stats", 377145247Sdamien CTLTYPE_OPAQUE | CTLFLAG_RD, sc, 0, ipw_sysctl_stats, "S", 378145247Sdamien "statistics"); 379145247Sdamien 380145247Sdamien /* 381145247Sdamien * Hook our interrupt after all initialization is complete. 382145247Sdamien */ 383145247Sdamien error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 384166901Spiso NULL, ipw_intr, sc, &sc->sc_ih); 385145247Sdamien if (error != 0) { 386145247Sdamien device_printf(dev, "could not set up interrupt\n"); 387178354Ssam goto fail4; 388145247Sdamien } 389145247Sdamien 390145247Sdamien if (bootverbose) 391145247Sdamien ieee80211_announce(ic); 392145247Sdamien 393145247Sdamien return 0; 394178354Ssamfail4: 395178354Ssam if_free(ifp); 396178354Ssamfail3: 397178354Ssam ipw_release(sc); 398178354Ssamfail2: 399178354Ssam bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq); 400178354Ssamfail1: 401178354Ssam bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem); 402178354Ssamfail: 403178354Ssam mtx_destroy(&sc->sc_mtx); 404145247Sdamien return ENXIO; 405145247Sdamien} 406145247Sdamien 407145247Sdamienstatic int 408145247Sdamienipw_detach(device_t dev) 409145247Sdamien{ 410145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 411178354Ssam struct ifnet *ifp = sc->sc_ifp; 412178354Ssam struct ieee80211com *ic = ifp->if_l2com; 413145247Sdamien 414145247Sdamien ipw_stop(sc); 415178354Ssam 416178354Ssam bpfdetach(ifp); 417178354Ssam ieee80211_ifdetach(ic); 418178354Ssam 419172567Sthompsa callout_drain(&sc->sc_wdtimer); 420172567Sthompsa taskqueue_drain(taskqueue_fast, &sc->sc_init_task); 421172567Sthompsa taskqueue_drain(taskqueue_fast, &sc->sc_scan_task); 422178354Ssam taskqueue_drain(taskqueue_fast, &sc->sc_bmiss_task); 423145247Sdamien 424145247Sdamien ipw_release(sc); 425145247Sdamien 426178354Ssam bus_teardown_intr(dev, sc->irq, sc->sc_ih); 427178354Ssam bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq); 428145247Sdamien 429178354Ssam bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem); 430156599Sdamien 431178354Ssam if_free(ifp); 432145247Sdamien 433159487Siedowse if (sc->sc_firmware != NULL) { 434159487Siedowse firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 435159487Siedowse sc->sc_firmware = NULL; 436159487Siedowse } 437159487Siedowse 438145247Sdamien mtx_destroy(&sc->sc_mtx); 439145247Sdamien 440145247Sdamien return 0; 441145247Sdamien} 442145247Sdamien 443178354Ssamstatic struct ieee80211vap * 444178354Ssamipw_vap_create(struct ieee80211com *ic, 445178354Ssam const char name[IFNAMSIZ], int unit, int opmode, int flags, 446178354Ssam const uint8_t bssid[IEEE80211_ADDR_LEN], 447178354Ssam const uint8_t mac[IEEE80211_ADDR_LEN]) 448178354Ssam{ 449178354Ssam struct ifnet *ifp = ic->ic_ifp; 450178354Ssam struct ipw_softc *sc = ifp->if_softc; 451178354Ssam struct ipw_vap *ivp; 452178354Ssam struct ieee80211vap *vap; 453178354Ssam const struct firmware *fp; 454178354Ssam const struct ipw_firmware_hdr *hdr; 455178354Ssam const char *imagename; 456178354Ssam 457178354Ssam if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 458178354Ssam return NULL; 459178354Ssam 460178354Ssam switch (opmode) { 461178354Ssam case IEEE80211_M_STA: 462178354Ssam imagename = "ipw_bss"; 463178354Ssam break; 464178354Ssam case IEEE80211_M_IBSS: 465178354Ssam imagename = "ipw_ibss"; 466178354Ssam break; 467178354Ssam case IEEE80211_M_MONITOR: 468178354Ssam imagename = "ipw_monitor"; 469178354Ssam break; 470178354Ssam default: 471178354Ssam return NULL; 472178354Ssam } 473178354Ssam 474178354Ssam /* 475178354Ssam * Load firmware image using the firmware(9) subsystem. Doing 476178354Ssam * this unlocked is ok since we're single-threaded by the 477178354Ssam * 802.11 layer. 478178354Ssam */ 479178354Ssam if (sc->sc_firmware == NULL || 480178354Ssam strcmp(sc->sc_firmware->name, imagename) != 0) { 481178354Ssam if (sc->sc_firmware != NULL) 482178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 483178354Ssam sc->sc_firmware = firmware_get(imagename); 484178354Ssam } 485178354Ssam if (sc->sc_firmware == NULL) { 486178354Ssam device_printf(sc->sc_dev, 487178354Ssam "could not load firmware image '%s'\n", imagename); 488178354Ssam return NULL; 489178354Ssam } 490178354Ssam fp = sc->sc_firmware; 491178354Ssam if (fp->datasize < sizeof *hdr) { 492178354Ssam device_printf(sc->sc_dev, 493178354Ssam "firmware image too short %zu\n", fp->datasize); 494178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 495178354Ssam sc->sc_firmware = NULL; 496178354Ssam return NULL; 497178354Ssam } 498178354Ssam hdr = (const struct ipw_firmware_hdr *)fp->data; 499178354Ssam if (fp->datasize < sizeof *hdr + le32toh(hdr->mainsz) + 500178354Ssam le32toh(hdr->ucodesz)) { 501178354Ssam device_printf(sc->sc_dev, 502178354Ssam "firmware image too short %zu\n", fp->datasize); 503178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 504178354Ssam sc->sc_firmware = NULL; 505178354Ssam return NULL; 506178354Ssam } 507178354Ssam 508178354Ssam ivp = (struct ipw_vap *) malloc(sizeof(struct ipw_vap), 509178354Ssam M_80211_VAP, M_NOWAIT | M_ZERO); 510178354Ssam if (ivp == NULL) 511178354Ssam return NULL; 512178354Ssam vap = &ivp->vap; 513178354Ssam 514178354Ssam TASK_INIT(&ivp->assoc_task, 0, ipw_assoc_task, vap); 515178354Ssam TASK_INIT(&ivp->disassoc_task, 0, ipw_disassoc_task, vap); 516178354Ssam TASK_INIT(&ivp->assoc_success_task, 0, ipw_assocsuccess, vap); 517178354Ssam TASK_INIT(&ivp->assoc_failed_task, 0, ipw_assocfailed, vap); 518178354Ssam TASK_INIT(&ivp->scandone_task, 0, ipw_scandone, vap); 519178354Ssam 520178354Ssam ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 521178354Ssam /* override with driver methods */ 522178354Ssam ivp->newstate = vap->iv_newstate; 523178354Ssam vap->iv_newstate = ipw_newstate; 524178354Ssam 525178354Ssam /* complete setup */ 526178354Ssam ieee80211_vap_attach(vap, ieee80211_media_change, ipw_media_status); 527178354Ssam ic->ic_opmode = opmode; 528178354Ssam return vap; 529178354Ssam} 530178354Ssam 531178354Ssamstatic void 532178354Ssamipw_vap_delete(struct ieee80211vap *vap) 533178354Ssam{ 534178354Ssam struct ipw_vap *ivp = IPW_VAP(vap); 535178354Ssam 536178354Ssam ieee80211_vap_detach(vap); 537178354Ssam free(ivp, M_80211_VAP); 538178354Ssam} 539178354Ssam 540145247Sdamienstatic int 541145247Sdamienipw_dma_alloc(struct ipw_softc *sc) 542145247Sdamien{ 543145247Sdamien struct ipw_soft_bd *sbd; 544145247Sdamien struct ipw_soft_hdr *shdr; 545145247Sdamien struct ipw_soft_buf *sbuf; 546145247Sdamien bus_addr_t physaddr; 547145247Sdamien int error, i; 548145247Sdamien 549145247Sdamien /* 550145247Sdamien * Allocate and map tx ring. 551145247Sdamien */ 552145247Sdamien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 553145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_TBD_SZ, 1, IPW_TBD_SZ, 0, NULL, 554145247Sdamien NULL, &sc->tbd_dmat); 555145247Sdamien if (error != 0) { 556145247Sdamien device_printf(sc->sc_dev, "could not create tx ring DMA tag\n"); 557145247Sdamien goto fail; 558145247Sdamien } 559145247Sdamien 560145247Sdamien error = bus_dmamem_alloc(sc->tbd_dmat, (void **)&sc->tbd_list, 561145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->tbd_map); 562145247Sdamien if (error != 0) { 563145247Sdamien device_printf(sc->sc_dev, 564145247Sdamien "could not allocate tx ring DMA memory\n"); 565145247Sdamien goto fail; 566145247Sdamien } 567145247Sdamien 568145247Sdamien error = bus_dmamap_load(sc->tbd_dmat, sc->tbd_map, sc->tbd_list, 569145247Sdamien IPW_TBD_SZ, ipw_dma_map_addr, &sc->tbd_phys, 0); 570145247Sdamien if (error != 0) { 571145247Sdamien device_printf(sc->sc_dev, "could not map tx ring DMA memory\n"); 572145247Sdamien goto fail; 573145247Sdamien } 574145247Sdamien 575145247Sdamien /* 576145247Sdamien * Allocate and map rx ring. 577145247Sdamien */ 578145247Sdamien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 579145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_RBD_SZ, 1, IPW_RBD_SZ, 0, NULL, 580145247Sdamien NULL, &sc->rbd_dmat); 581145247Sdamien if (error != 0) { 582145247Sdamien device_printf(sc->sc_dev, "could not create rx ring DMA tag\n"); 583145247Sdamien goto fail; 584145247Sdamien } 585145247Sdamien 586145247Sdamien error = bus_dmamem_alloc(sc->rbd_dmat, (void **)&sc->rbd_list, 587145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->rbd_map); 588145247Sdamien if (error != 0) { 589145247Sdamien device_printf(sc->sc_dev, 590145247Sdamien "could not allocate rx ring DMA memory\n"); 591145247Sdamien goto fail; 592145247Sdamien } 593145247Sdamien 594145247Sdamien error = bus_dmamap_load(sc->rbd_dmat, sc->rbd_map, sc->rbd_list, 595145247Sdamien IPW_RBD_SZ, ipw_dma_map_addr, &sc->rbd_phys, 0); 596145247Sdamien if (error != 0) { 597145247Sdamien device_printf(sc->sc_dev, "could not map rx ring DMA memory\n"); 598145247Sdamien goto fail; 599145247Sdamien } 600145247Sdamien 601145247Sdamien /* 602145247Sdamien * Allocate and map status ring. 603145247Sdamien */ 604145247Sdamien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 605145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_STATUS_SZ, 1, IPW_STATUS_SZ, 0, 606145247Sdamien NULL, NULL, &sc->status_dmat); 607145247Sdamien if (error != 0) { 608145247Sdamien device_printf(sc->sc_dev, 609145247Sdamien "could not create status ring DMA tag\n"); 610145247Sdamien goto fail; 611145247Sdamien } 612145247Sdamien 613145247Sdamien error = bus_dmamem_alloc(sc->status_dmat, (void **)&sc->status_list, 614145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->status_map); 615145247Sdamien if (error != 0) { 616145247Sdamien device_printf(sc->sc_dev, 617145247Sdamien "could not allocate status ring DMA memory\n"); 618145247Sdamien goto fail; 619145247Sdamien } 620145247Sdamien 621145247Sdamien error = bus_dmamap_load(sc->status_dmat, sc->status_map, 622145247Sdamien sc->status_list, IPW_STATUS_SZ, ipw_dma_map_addr, &sc->status_phys, 623145247Sdamien 0); 624145247Sdamien if (error != 0) { 625145247Sdamien device_printf(sc->sc_dev, 626145247Sdamien "could not map status ring DMA memory\n"); 627145247Sdamien goto fail; 628145247Sdamien } 629145247Sdamien 630145247Sdamien /* 631145247Sdamien * Allocate command DMA map. 632145247Sdamien */ 633145247Sdamien error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT, 634145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, sizeof (struct ipw_cmd), 1, 635145247Sdamien sizeof (struct ipw_cmd), 0, NULL, NULL, &sc->cmd_dmat); 636145247Sdamien if (error != 0) { 637145247Sdamien device_printf(sc->sc_dev, "could not create command DMA tag\n"); 638145247Sdamien goto fail; 639145247Sdamien } 640145247Sdamien 641145247Sdamien error = bus_dmamap_create(sc->cmd_dmat, 0, &sc->cmd_map); 642145247Sdamien if (error != 0) { 643145247Sdamien device_printf(sc->sc_dev, 644145247Sdamien "could not create command DMA map\n"); 645145247Sdamien goto fail; 646145247Sdamien } 647145247Sdamien 648145247Sdamien /* 649145247Sdamien * Allocate headers DMA maps. 650145247Sdamien */ 651145247Sdamien error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT, 652145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, sizeof (struct ipw_hdr), 1, 653145247Sdamien sizeof (struct ipw_hdr), 0, NULL, NULL, &sc->hdr_dmat); 654145247Sdamien if (error != 0) { 655145247Sdamien device_printf(sc->sc_dev, "could not create header DMA tag\n"); 656145247Sdamien goto fail; 657145247Sdamien } 658145247Sdamien 659145247Sdamien SLIST_INIT(&sc->free_shdr); 660145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 661145247Sdamien shdr = &sc->shdr_list[i]; 662145247Sdamien error = bus_dmamap_create(sc->hdr_dmat, 0, &shdr->map); 663145247Sdamien if (error != 0) { 664145247Sdamien device_printf(sc->sc_dev, 665145247Sdamien "could not create header DMA map\n"); 666145247Sdamien goto fail; 667145247Sdamien } 668145247Sdamien SLIST_INSERT_HEAD(&sc->free_shdr, shdr, next); 669145247Sdamien } 670145247Sdamien 671145247Sdamien /* 672145247Sdamien * Allocate tx buffers DMA maps. 673145247Sdamien */ 674145247Sdamien error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT, 675145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, IPW_MAX_NSEG, MCLBYTES, 0, 676145247Sdamien NULL, NULL, &sc->txbuf_dmat); 677145247Sdamien if (error != 0) { 678145247Sdamien device_printf(sc->sc_dev, "could not create tx DMA tag\n"); 679145247Sdamien goto fail; 680145247Sdamien } 681145247Sdamien 682145247Sdamien SLIST_INIT(&sc->free_sbuf); 683145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 684145247Sdamien sbuf = &sc->tx_sbuf_list[i]; 685145247Sdamien error = bus_dmamap_create(sc->txbuf_dmat, 0, &sbuf->map); 686145247Sdamien if (error != 0) { 687145247Sdamien device_printf(sc->sc_dev, 688145247Sdamien "could not create tx DMA map\n"); 689145247Sdamien goto fail; 690145247Sdamien } 691145247Sdamien SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next); 692145247Sdamien } 693145247Sdamien 694145247Sdamien /* 695145247Sdamien * Initialize tx ring. 696145247Sdamien */ 697145247Sdamien for (i = 0; i < IPW_NTBD; i++) { 698145247Sdamien sbd = &sc->stbd_list[i]; 699145247Sdamien sbd->bd = &sc->tbd_list[i]; 700145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 701145247Sdamien } 702145247Sdamien 703145247Sdamien /* 704145247Sdamien * Pre-allocate rx buffers and DMA maps. 705145247Sdamien */ 706145247Sdamien error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT, 707147841Sdamien BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1, MCLBYTES, 0, NULL, 708147841Sdamien NULL, &sc->rxbuf_dmat); 709145247Sdamien if (error != 0) { 710145247Sdamien device_printf(sc->sc_dev, "could not create rx DMA tag\n"); 711145247Sdamien goto fail; 712145247Sdamien } 713145247Sdamien 714145247Sdamien for (i = 0; i < IPW_NRBD; i++) { 715145247Sdamien sbd = &sc->srbd_list[i]; 716145247Sdamien sbuf = &sc->rx_sbuf_list[i]; 717145247Sdamien sbd->bd = &sc->rbd_list[i]; 718145247Sdamien 719145247Sdamien sbuf->m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 720145247Sdamien if (sbuf->m == NULL) { 721145247Sdamien device_printf(sc->sc_dev, 722145247Sdamien "could not allocate rx mbuf\n"); 723145247Sdamien error = ENOMEM; 724145247Sdamien goto fail; 725145247Sdamien } 726145247Sdamien 727145247Sdamien error = bus_dmamap_create(sc->rxbuf_dmat, 0, &sbuf->map); 728145247Sdamien if (error != 0) { 729145247Sdamien device_printf(sc->sc_dev, 730145247Sdamien "could not create rx DMA map\n"); 731145247Sdamien goto fail; 732145247Sdamien } 733145247Sdamien 734145247Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, 735145247Sdamien mtod(sbuf->m, void *), MCLBYTES, ipw_dma_map_addr, 736145247Sdamien &physaddr, 0); 737145247Sdamien if (error != 0) { 738145247Sdamien device_printf(sc->sc_dev, 739145247Sdamien "could not map rx DMA memory\n"); 740145247Sdamien goto fail; 741145247Sdamien } 742145247Sdamien 743145247Sdamien sbd->type = IPW_SBD_TYPE_DATA; 744145247Sdamien sbd->priv = sbuf; 745145247Sdamien sbd->bd->physaddr = htole32(physaddr); 746145247Sdamien sbd->bd->len = htole32(MCLBYTES); 747145247Sdamien } 748145247Sdamien 749145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 750145247Sdamien 751145247Sdamien return 0; 752145247Sdamien 753145247Sdamienfail: ipw_release(sc); 754145247Sdamien return error; 755145247Sdamien} 756145247Sdamien 757145247Sdamienstatic void 758145247Sdamienipw_release(struct ipw_softc *sc) 759145247Sdamien{ 760145247Sdamien struct ipw_soft_buf *sbuf; 761145247Sdamien int i; 762145247Sdamien 763145247Sdamien if (sc->tbd_dmat != NULL) { 764145247Sdamien if (sc->stbd_list != NULL) { 765145247Sdamien bus_dmamap_unload(sc->tbd_dmat, sc->tbd_map); 766145247Sdamien bus_dmamem_free(sc->tbd_dmat, sc->tbd_list, 767145247Sdamien sc->tbd_map); 768145247Sdamien } 769145247Sdamien bus_dma_tag_destroy(sc->tbd_dmat); 770145247Sdamien } 771145247Sdamien 772145247Sdamien if (sc->rbd_dmat != NULL) { 773145247Sdamien if (sc->rbd_list != NULL) { 774145247Sdamien bus_dmamap_unload(sc->rbd_dmat, sc->rbd_map); 775145247Sdamien bus_dmamem_free(sc->rbd_dmat, sc->rbd_list, 776145247Sdamien sc->rbd_map); 777145247Sdamien } 778145247Sdamien bus_dma_tag_destroy(sc->rbd_dmat); 779145247Sdamien } 780145247Sdamien 781145247Sdamien if (sc->status_dmat != NULL) { 782145247Sdamien if (sc->status_list != NULL) { 783145247Sdamien bus_dmamap_unload(sc->status_dmat, sc->status_map); 784145247Sdamien bus_dmamem_free(sc->status_dmat, sc->status_list, 785145247Sdamien sc->status_map); 786145247Sdamien } 787145247Sdamien bus_dma_tag_destroy(sc->status_dmat); 788145247Sdamien } 789145247Sdamien 790145247Sdamien for (i = 0; i < IPW_NTBD; i++) 791145247Sdamien ipw_release_sbd(sc, &sc->stbd_list[i]); 792145247Sdamien 793145247Sdamien if (sc->cmd_dmat != NULL) { 794145247Sdamien bus_dmamap_destroy(sc->cmd_dmat, sc->cmd_map); 795145247Sdamien bus_dma_tag_destroy(sc->cmd_dmat); 796145247Sdamien } 797145247Sdamien 798145247Sdamien if (sc->hdr_dmat != NULL) { 799145247Sdamien for (i = 0; i < IPW_NDATA; i++) 800145247Sdamien bus_dmamap_destroy(sc->hdr_dmat, sc->shdr_list[i].map); 801145247Sdamien bus_dma_tag_destroy(sc->hdr_dmat); 802145247Sdamien } 803145247Sdamien 804145247Sdamien if (sc->txbuf_dmat != NULL) { 805145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 806145247Sdamien bus_dmamap_destroy(sc->txbuf_dmat, 807145247Sdamien sc->tx_sbuf_list[i].map); 808145247Sdamien } 809145247Sdamien bus_dma_tag_destroy(sc->txbuf_dmat); 810145247Sdamien } 811145247Sdamien 812145247Sdamien if (sc->rxbuf_dmat != NULL) { 813145247Sdamien for (i = 0; i < IPW_NRBD; i++) { 814145247Sdamien sbuf = &sc->rx_sbuf_list[i]; 815145247Sdamien if (sbuf->m != NULL) { 816145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, 817145247Sdamien BUS_DMASYNC_POSTREAD); 818145247Sdamien bus_dmamap_unload(sc->rxbuf_dmat, sbuf->map); 819145247Sdamien m_freem(sbuf->m); 820145247Sdamien } 821145247Sdamien bus_dmamap_destroy(sc->rxbuf_dmat, sbuf->map); 822145247Sdamien } 823145247Sdamien bus_dma_tag_destroy(sc->rxbuf_dmat); 824145247Sdamien } 825145247Sdamien} 826145247Sdamien 827145247Sdamienstatic int 828145247Sdamienipw_shutdown(device_t dev) 829145247Sdamien{ 830145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 831145247Sdamien 832145247Sdamien ipw_stop(sc); 833145247Sdamien 834145247Sdamien return 0; 835145247Sdamien} 836145247Sdamien 837145247Sdamienstatic int 838145247Sdamienipw_suspend(device_t dev) 839145247Sdamien{ 840145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 841145247Sdamien 842145247Sdamien ipw_stop(sc); 843145247Sdamien 844145247Sdamien return 0; 845145247Sdamien} 846145247Sdamien 847145247Sdamienstatic int 848145247Sdamienipw_resume(device_t dev) 849145247Sdamien{ 850145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 851178354Ssam struct ifnet *ifp = sc->sc_ifp; 852145247Sdamien 853146498Sdamien pci_write_config(dev, 0x41, 0, 1); 854146498Sdamien 855178354Ssam if (ifp->if_flags & IFF_UP) 856178354Ssam ipw_init(sc); 857145247Sdamien 858145247Sdamien return 0; 859145247Sdamien} 860145247Sdamien 861145247Sdamienstatic int 862172567Sthompsaipw_cvtrate(int ipwrate) 863172567Sthompsa{ 864172567Sthompsa switch (ipwrate) { 865172567Sthompsa case IPW_RATE_DS1: return 2; 866172567Sthompsa case IPW_RATE_DS2: return 4; 867172567Sthompsa case IPW_RATE_DS5: return 11; 868172567Sthompsa case IPW_RATE_DS11: return 22; 869172567Sthompsa } 870145247Sdamien return 0; 871145247Sdamien} 872145247Sdamien 873145247Sdamien/* 874156599Sdamien * The firmware automatically adapts the transmit speed. We report its current 875156599Sdamien * value here. 876145247Sdamien */ 877145247Sdamienstatic void 878145247Sdamienipw_media_status(struct ifnet *ifp, struct ifmediareq *imr) 879145247Sdamien{ 880178354Ssam struct ieee80211vap *vap = ifp->if_softc; 881178354Ssam struct ieee80211com *ic = vap->iv_ic; 882178354Ssam struct ipw_softc *sc = ic->ic_ifp->if_softc; 883145247Sdamien 884145247Sdamien /* read current transmission rate from adapter */ 885178354Ssam vap->iv_bss->ni_txrate = ipw_cvtrate( 886178354Ssam ipw_read_table1(sc, IPW_INFO_CURRENT_TX_RATE) & 0xf); 887178354Ssam ieee80211_media_status(ifp, imr); 888145247Sdamien} 889145247Sdamien 890145247Sdamienstatic int 891178354Ssamipw_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 892145247Sdamien{ 893178354Ssam struct ipw_vap *ivp = IPW_VAP(vap); 894178354Ssam struct ieee80211com *ic = vap->iv_ic; 895145247Sdamien struct ifnet *ifp = ic->ic_ifp; 896145247Sdamien struct ipw_softc *sc = ifp->if_softc; 897145247Sdamien 898172567Sthompsa DPRINTF(("%s: %s -> %s flags 0x%x\n", __func__, 899178354Ssam ieee80211_state_name[vap->iv_state], 900172567Sthompsa ieee80211_state_name[nstate], sc->flags)); 901172567Sthompsa 902145247Sdamien switch (nstate) { 903145247Sdamien case IEEE80211_S_RUN: 904172567Sthompsa if (ic->ic_opmode == IEEE80211_M_IBSS) { 905172567Sthompsa /* 906172567Sthompsa * XXX when joining an ibss network we are called 907172567Sthompsa * with a SCAN -> RUN transition on scan complete. 908172567Sthompsa * Use that to call ipw_auth_and_assoc. On completing 909172567Sthompsa * the join we are then called again with an 910172567Sthompsa * AUTH -> RUN transition and we want to do nothing. 911172567Sthompsa * This is all totally bogus and needs to be redone. 912172567Sthompsa */ 913178354Ssam if (vap->iv_state == IEEE80211_S_SCAN) { 914178354Ssam taskqueue_enqueue(taskqueue_swi, 915178354Ssam &IPW_VAP(vap)->assoc_task); 916178354Ssam return EINPROGRESS; 917178354Ssam } 918172567Sthompsa } 919172567Sthompsa break; 920145247Sdamien 921172567Sthompsa case IEEE80211_S_INIT: 922172567Sthompsa if (sc->flags & IPW_FLAG_ASSOCIATED) 923178354Ssam taskqueue_enqueue(taskqueue_swi, 924178354Ssam &IPW_VAP(vap)->disassoc_task); 925172567Sthompsa break; 926145247Sdamien 927172567Sthompsa case IEEE80211_S_AUTH: 928178354Ssam taskqueue_enqueue(taskqueue_swi, &IPW_VAP(vap)->assoc_task); 929178354Ssam return EINPROGRESS; 930145247Sdamien 931172567Sthompsa case IEEE80211_S_ASSOC: 932172567Sthompsa /* 933172567Sthompsa * If we are not transitioning from AUTH the resend the 934172567Sthompsa * association request. 935172567Sthompsa */ 936178354Ssam if (vap->iv_state != IEEE80211_S_AUTH) { 937178354Ssam taskqueue_enqueue(taskqueue_swi, 938178354Ssam &IPW_VAP(vap)->assoc_task); 939178354Ssam return EINPROGRESS; 940178354Ssam } 941145247Sdamien break; 942145247Sdamien 943172058Ssam default: 944145247Sdamien break; 945145247Sdamien } 946178354Ssam return ivp->newstate(vap, nstate, arg); 947145247Sdamien} 948145247Sdamien 949145247Sdamien/* 950145247Sdamien * Read 16 bits at address 'addr' from the serial EEPROM. 951145247Sdamien */ 952145247Sdamienstatic uint16_t 953145247Sdamienipw_read_prom_word(struct ipw_softc *sc, uint8_t addr) 954145247Sdamien{ 955145247Sdamien uint32_t tmp; 956145247Sdamien uint16_t val; 957145247Sdamien int n; 958145247Sdamien 959145247Sdamien /* clock C once before the first command */ 960145247Sdamien IPW_EEPROM_CTL(sc, 0); 961145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 962145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 963145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 964145247Sdamien 965145247Sdamien /* write start bit (1) */ 966145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D); 967145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C); 968145247Sdamien 969145247Sdamien /* write READ opcode (10) */ 970145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D); 971145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C); 972145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 973145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 974145247Sdamien 975145247Sdamien /* write address A7-A0 */ 976145247Sdamien for (n = 7; n >= 0; n--) { 977145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | 978145247Sdamien (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D)); 979145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | 980145247Sdamien (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D) | IPW_EEPROM_C); 981145247Sdamien } 982145247Sdamien 983145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 984145247Sdamien 985145247Sdamien /* read data Q15-Q0 */ 986145247Sdamien val = 0; 987145247Sdamien for (n = 15; n >= 0; n--) { 988145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 989145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 990145247Sdamien tmp = MEM_READ_4(sc, IPW_MEM_EEPROM_CTL); 991145247Sdamien val |= ((tmp & IPW_EEPROM_Q) >> IPW_EEPROM_SHIFT_Q) << n; 992145247Sdamien } 993145247Sdamien 994145247Sdamien IPW_EEPROM_CTL(sc, 0); 995145247Sdamien 996145247Sdamien /* clear Chip Select and clock C */ 997145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 998145247Sdamien IPW_EEPROM_CTL(sc, 0); 999145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_C); 1000145247Sdamien 1001145247Sdamien return le16toh(val); 1002145247Sdamien} 1003145247Sdamien 1004145247Sdamienstatic void 1005172567Sthompsaipw_rx_cmd_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf) 1006145247Sdamien{ 1007145247Sdamien struct ipw_cmd *cmd; 1008145247Sdamien 1009145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 1010145247Sdamien 1011145247Sdamien cmd = mtod(sbuf->m, struct ipw_cmd *); 1012145247Sdamien 1013172567Sthompsa DPRINTFN(9, ("cmd ack'ed %s(%u, %u, %u, %u, %u)\n", 1014172567Sthompsa ipw_cmdname(le32toh(cmd->type)), le32toh(cmd->type), 1015145247Sdamien le32toh(cmd->subtype), le32toh(cmd->seq), le32toh(cmd->len), 1016145247Sdamien le32toh(cmd->status))); 1017145247Sdamien 1018172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 1019145247Sdamien wakeup(sc); 1020145247Sdamien} 1021145247Sdamien 1022145247Sdamienstatic void 1023178354Ssamipw_assocsuccess(void *arg, int npending) 1024178354Ssam{ 1025178354Ssam struct ieee80211vap *vap = arg; 1026178354Ssam 1027178354Ssam ieee80211_new_state(vap, IEEE80211_S_RUN, -1); 1028178354Ssam} 1029178354Ssam 1030178354Ssamstatic void 1031178354Ssamipw_assocfailed(void *arg, int npending) 1032178354Ssam{ 1033178354Ssam struct ieee80211vap *vap = arg; 1034178354Ssam 1035178354Ssam ieee80211_new_state(vap, IEEE80211_S_SCAN, -1); 1036178354Ssam} 1037178354Ssam 1038178354Ssamstatic void 1039178354Ssamipw_scandone(void *arg, int npending) 1040178354Ssam{ 1041178354Ssam struct ieee80211vap *vap = arg; 1042178354Ssam 1043178354Ssam ieee80211_scan_done(vap); 1044178354Ssam} 1045178354Ssam 1046178354Ssamstatic void 1047178354Ssamipw_bmiss(void *arg, int npending) 1048178354Ssam{ 1049178354Ssam struct ieee80211com *ic = arg; 1050178354Ssam 1051178354Ssam ieee80211_beacon_miss(ic); 1052178354Ssam} 1053178354Ssam 1054178354Ssamstatic void 1055172567Sthompsaipw_rx_newstate_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf) 1056145247Sdamien{ 1057178354Ssam#define IEEESTATE(vap) ieee80211_state_name[vap->iv_state] 1058178354Ssam struct ifnet *ifp = sc->sc_ifp; 1059178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1060178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1061145247Sdamien uint32_t state; 1062145247Sdamien 1063145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 1064145247Sdamien 1065145247Sdamien state = le32toh(*mtod(sbuf->m, uint32_t *)); 1066145247Sdamien 1067145247Sdamien switch (state) { 1068145247Sdamien case IPW_STATE_ASSOCIATED: 1069172567Sthompsa DPRINTFN(2, ("Association succeeded (%s flags 0x%x)\n", 1070178354Ssam IEEESTATE(vap), sc->flags)); 1071178354Ssam /* XXX suppress state change in case the fw auto-associates */ 1072178354Ssam if ((sc->flags & IPW_FLAG_ASSOCIATING) == 0) { 1073178354Ssam DPRINTF(("Unexpected association (%s, flags 0x%x)\n", 1074178354Ssam IEEESTATE(vap), sc->flags)); 1075178354Ssam break; 1076178354Ssam } 1077178354Ssam sc->flags &= ~IPW_FLAG_ASSOCIATING; 1078172567Sthompsa sc->flags |= IPW_FLAG_ASSOCIATED; 1079178354Ssam taskqueue_enqueue(taskqueue_swi, 1080178354Ssam &IPW_VAP(vap)->assoc_success_task); 1081145247Sdamien break; 1082145247Sdamien 1083145247Sdamien case IPW_STATE_SCANNING: 1084172567Sthompsa DPRINTFN(3, ("Scanning (%s flags 0x%x)\n", 1085178354Ssam IEEESTATE(vap), sc->flags)); 1086172567Sthompsa /* 1087172567Sthompsa * NB: Check driver state for association on assoc 1088172567Sthompsa * loss as the firmware will immediately start to 1089172567Sthompsa * scan and we would treat it as a beacon miss if 1090172567Sthompsa * we checked the 802.11 layer state. 1091172567Sthompsa */ 1092178354Ssam if (sc->flags & IPW_FLAG_ASSOCIATED) { 1093178354Ssam /* XXX probably need to issue disassoc to fw */ 1094178354Ssam taskqueue_enqueue(taskqueue_swi, &sc->sc_bmiss_task); 1095178354Ssam } 1096145247Sdamien break; 1097145247Sdamien 1098145247Sdamien case IPW_STATE_SCAN_COMPLETE: 1099172567Sthompsa /* 1100172567Sthompsa * XXX For some reason scan requests generate scan 1101172567Sthompsa * started + scan done events before any traffic is 1102172567Sthompsa * received (e.g. probe response frames). We work 1103172567Sthompsa * around this by marking the HACK flag and skipping 1104172567Sthompsa * the first scan complete event. 1105172567Sthompsa */ 1106178354Ssam DPRINTFN(3, ("Scan complete (%s flags 0x%x)\n", 1107178354Ssam IEEESTATE(vap), sc->flags)); 1108172567Sthompsa if (sc->flags & IPW_FLAG_HACK) { 1109172567Sthompsa sc->flags &= ~IPW_FLAG_HACK; 1110172567Sthompsa break; 1111172567Sthompsa } 1112172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) { 1113178354Ssam taskqueue_enqueue(taskqueue_swi, 1114178354Ssam &IPW_VAP(vap)->scandone_task); 1115172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 1116172567Sthompsa sc->sc_scan_timer = 0; 1117172567Sthompsa } 1118145247Sdamien break; 1119145247Sdamien 1120145247Sdamien case IPW_STATE_ASSOCIATION_LOST: 1121172567Sthompsa DPRINTFN(2, ("Association lost (%s flags 0x%x)\n", 1122178354Ssam IEEESTATE(vap), sc->flags)); 1123178354Ssam sc->flags &= ~(IPW_FLAG_ASSOCIATING | IPW_FLAG_ASSOCIATED); 1124178354Ssam if (vap->iv_state == IEEE80211_S_RUN) 1125178354Ssam taskqueue_enqueue(taskqueue_swi, 1126178354Ssam &IPW_VAP(vap)->assoc_failed_task); 1127145247Sdamien break; 1128145247Sdamien 1129172567Sthompsa case IPW_STATE_DISABLED: 1130178354Ssam /* XXX? is this right? */ 1131178354Ssam sc->flags &= ~(IPW_FLAG_HACK | IPW_FLAG_SCANNING | 1132178354Ssam IPW_FLAG_ASSOCIATING | IPW_FLAG_ASSOCIATED); 1133172567Sthompsa DPRINTFN(2, ("Firmware disabled (%s flags 0x%x)\n", 1134178354Ssam IEEESTATE(vap), sc->flags)); 1135172567Sthompsa break; 1136172567Sthompsa 1137145247Sdamien case IPW_STATE_RADIO_DISABLED: 1138178354Ssam device_printf(sc->sc_dev, "radio turned off\n"); 1139178354Ssam ieee80211_notify_radio(ic, 0); 1140172567Sthompsa ipw_stop_locked(sc); 1141178354Ssam /* XXX start polling thread to detect radio on */ 1142145247Sdamien break; 1143172567Sthompsa 1144172567Sthompsa default: 1145172567Sthompsa DPRINTFN(2, ("%s: unhandled state %u %s flags 0x%x\n", 1146178354Ssam __func__, state, IEEESTATE(vap), sc->flags)); 1147172567Sthompsa break; 1148145247Sdamien } 1149172567Sthompsa#undef IEEESTATE 1150145247Sdamien} 1151145247Sdamien 1152145247Sdamien/* 1153172567Sthompsa * Set driver state for current channel. 1154172567Sthompsa */ 1155172567Sthompsastatic void 1156172567Sthompsaipw_setcurchan(struct ipw_softc *sc, struct ieee80211_channel *chan) 1157172567Sthompsa{ 1158178354Ssam struct ifnet *ifp = sc->sc_ifp; 1159178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1160172567Sthompsa 1161172567Sthompsa ic->ic_curchan = chan; 1162172567Sthompsa sc->sc_rxtap.wr_chan_freq = sc->sc_txtap.wt_chan_freq = 1163172567Sthompsa htole16(ic->ic_curchan->ic_freq); 1164172567Sthompsa sc->sc_rxtap.wr_chan_flags = sc->sc_txtap.wt_chan_flags = 1165172567Sthompsa htole16(ic->ic_curchan->ic_flags); 1166172567Sthompsa} 1167172567Sthompsa 1168172567Sthompsa/* 1169145247Sdamien * XXX: Hack to set the current channel to the value advertised in beacons or 1170145247Sdamien * probe responses. Only used during AP detection. 1171145247Sdamien */ 1172145247Sdamienstatic void 1173172567Sthompsaipw_fix_channel(struct ipw_softc *sc, struct mbuf *m) 1174145247Sdamien{ 1175178354Ssam struct ifnet *ifp = sc->sc_ifp; 1176178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1177172567Sthompsa struct ieee80211_channel *c; 1178145247Sdamien struct ieee80211_frame *wh; 1179145247Sdamien uint8_t subtype; 1180145247Sdamien uint8_t *frm, *efrm; 1181145247Sdamien 1182145247Sdamien wh = mtod(m, struct ieee80211_frame *); 1183145247Sdamien 1184145247Sdamien if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 1185145247Sdamien return; 1186145247Sdamien 1187145247Sdamien subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 1188145247Sdamien 1189145247Sdamien if (subtype != IEEE80211_FC0_SUBTYPE_BEACON && 1190145247Sdamien subtype != IEEE80211_FC0_SUBTYPE_PROBE_RESP) 1191145247Sdamien return; 1192145247Sdamien 1193178354Ssam /* XXX use ieee80211_parse_beacon */ 1194145247Sdamien frm = (uint8_t *)(wh + 1); 1195145247Sdamien efrm = mtod(m, uint8_t *) + m->m_len; 1196145247Sdamien 1197145247Sdamien frm += 12; /* skip tstamp, bintval and capinfo fields */ 1198145247Sdamien while (frm < efrm) { 1199145247Sdamien if (*frm == IEEE80211_ELEMID_DSPARMS) 1200145247Sdamien#if IEEE80211_CHAN_MAX < 255 1201145247Sdamien if (frm[2] <= IEEE80211_CHAN_MAX) 1202145247Sdamien#endif 1203172567Sthompsa { 1204172567Sthompsa DPRINTF(("Fixing channel to %d\n", frm[2])); 1205172567Sthompsa c = ieee80211_find_channel(ic, 1206170530Ssam ieee80211_ieee2mhz(frm[2], 0), 1207172567Sthompsa IEEE80211_CHAN_B); 1208172567Sthompsa if (c == NULL) 1209172567Sthompsa c = &ic->ic_channels[0]; 1210172567Sthompsa ipw_setcurchan(sc, c); 1211172567Sthompsa } 1212145247Sdamien 1213145247Sdamien frm += frm[1] + 2; 1214145247Sdamien } 1215145247Sdamien} 1216145247Sdamien 1217145247Sdamienstatic void 1218172567Sthompsaipw_rx_data_intr(struct ipw_softc *sc, struct ipw_status *status, 1219145247Sdamien struct ipw_soft_bd *sbd, struct ipw_soft_buf *sbuf) 1220145247Sdamien{ 1221178354Ssam struct ifnet *ifp = sc->sc_ifp; 1222178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1223152385Sdamien struct mbuf *mnew, *m; 1224145247Sdamien struct ieee80211_node *ni; 1225145247Sdamien bus_addr_t physaddr; 1226145247Sdamien int error; 1227172567Sthompsa IPW_LOCK_DECL; 1228145247Sdamien 1229152385Sdamien DPRINTFN(5, ("received frame len=%u, rssi=%u\n", le32toh(status->len), 1230152385Sdamien status->rssi)); 1231152385Sdamien 1232147757Sdamien if (le32toh(status->len) < sizeof (struct ieee80211_frame_min) || 1233147757Sdamien le32toh(status->len) > MCLBYTES) 1234147757Sdamien return; 1235147757Sdamien 1236152385Sdamien /* 1237152385Sdamien * Try to allocate a new mbuf for this ring element and load it before 1238152385Sdamien * processing the current mbuf. If the ring element cannot be loaded, 1239152385Sdamien * drop the received packet and reuse the old mbuf. In the unlikely 1240152385Sdamien * case that the old mbuf can't be reloaded either, explicitly panic. 1241152385Sdamien */ 1242152385Sdamien mnew = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1243152385Sdamien if (mnew == NULL) { 1244152385Sdamien ifp->if_ierrors++; 1245152385Sdamien return; 1246152385Sdamien } 1247152385Sdamien 1248145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 1249145247Sdamien bus_dmamap_unload(sc->rxbuf_dmat, sbuf->map); 1250145247Sdamien 1251152385Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, mtod(mnew, void *), 1252152385Sdamien MCLBYTES, ipw_dma_map_addr, &physaddr, 0); 1253152385Sdamien if (error != 0) { 1254152385Sdamien m_freem(mnew); 1255152385Sdamien 1256152385Sdamien /* try to reload the old mbuf */ 1257152385Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, 1258152385Sdamien mtod(sbuf->m, void *), MCLBYTES, ipw_dma_map_addr, 1259152385Sdamien &physaddr, 0); 1260152385Sdamien if (error != 0) { 1261152385Sdamien /* very unlikely that it will fail... */ 1262152385Sdamien panic("%s: could not load old rx mbuf", 1263152385Sdamien device_get_name(sc->sc_dev)); 1264152385Sdamien } 1265152385Sdamien ifp->if_ierrors++; 1266152385Sdamien return; 1267152385Sdamien } 1268152385Sdamien 1269152385Sdamien /* 1270152385Sdamien * New mbuf successfully loaded, update Rx ring and continue 1271152385Sdamien * processing. 1272152385Sdamien */ 1273152385Sdamien m = sbuf->m; 1274152385Sdamien sbuf->m = mnew; 1275152385Sdamien sbd->bd->physaddr = htole32(physaddr); 1276152385Sdamien 1277145247Sdamien /* finalize mbuf */ 1278145247Sdamien m->m_pkthdr.rcvif = ifp; 1279145247Sdamien m->m_pkthdr.len = m->m_len = le32toh(status->len); 1280145247Sdamien 1281178354Ssam if (bpf_peers_present(ifp->if_bpf)) { 1282145247Sdamien struct ipw_rx_radiotap_header *tap = &sc->sc_rxtap; 1283145247Sdamien 1284145247Sdamien tap->wr_flags = 0; 1285172567Sthompsa tap->wr_antsignal = status->rssi + IPW_RSSI_TO_DBM; 1286156599Sdamien tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1287156599Sdamien tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1288145247Sdamien 1289178354Ssam bpf_mtap2(ifp->if_bpf, tap, sc->sc_rxtap_len, m); 1290145247Sdamien } 1291145247Sdamien 1292172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) 1293172567Sthompsa ipw_fix_channel(sc, m); 1294145247Sdamien 1295172567Sthompsa IPW_UNLOCK(sc); 1296178354Ssam ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *)); 1297178354Ssam if (ni != NULL) { 1298178354Ssam (void) ieee80211_input(ni, m, status->rssi, -95, 0); 1299178354Ssam ieee80211_free_node(ni); 1300178354Ssam } else 1301178354Ssam (void) ieee80211_input_all(ic, m, status->rssi, -95, 0); 1302172567Sthompsa IPW_LOCK(sc); 1303145247Sdamien 1304145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 1305145247Sdamien} 1306145247Sdamien 1307145247Sdamienstatic void 1308145247Sdamienipw_rx_intr(struct ipw_softc *sc) 1309145247Sdamien{ 1310145247Sdamien struct ipw_status *status; 1311145247Sdamien struct ipw_soft_bd *sbd; 1312145247Sdamien struct ipw_soft_buf *sbuf; 1313145247Sdamien uint32_t r, i; 1314145247Sdamien 1315145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1316145247Sdamien return; 1317145247Sdamien 1318145247Sdamien r = CSR_READ_4(sc, IPW_CSR_RX_READ); 1319145247Sdamien 1320145247Sdamien bus_dmamap_sync(sc->status_dmat, sc->status_map, BUS_DMASYNC_POSTREAD); 1321145247Sdamien 1322145247Sdamien for (i = (sc->rxcur + 1) % IPW_NRBD; i != r; i = (i + 1) % IPW_NRBD) { 1323145247Sdamien status = &sc->status_list[i]; 1324145247Sdamien sbd = &sc->srbd_list[i]; 1325145247Sdamien sbuf = sbd->priv; 1326145247Sdamien 1327145247Sdamien switch (le16toh(status->code) & 0xf) { 1328145247Sdamien case IPW_STATUS_CODE_COMMAND: 1329172567Sthompsa ipw_rx_cmd_intr(sc, sbuf); 1330145247Sdamien break; 1331145247Sdamien 1332145247Sdamien case IPW_STATUS_CODE_NEWSTATE: 1333172567Sthompsa ipw_rx_newstate_intr(sc, sbuf); 1334145247Sdamien break; 1335145247Sdamien 1336145247Sdamien case IPW_STATUS_CODE_DATA_802_3: 1337145247Sdamien case IPW_STATUS_CODE_DATA_802_11: 1338172567Sthompsa ipw_rx_data_intr(sc, status, sbd, sbuf); 1339145247Sdamien break; 1340145247Sdamien 1341145247Sdamien case IPW_STATUS_CODE_NOTIFICATION: 1342172567Sthompsa DPRINTFN(2, ("notification status, len %u flags 0x%x\n", 1343172567Sthompsa le32toh(status->len), status->flags)); 1344178354Ssam /* XXX maybe drive state machine AUTH->ASSOC? */ 1345145247Sdamien break; 1346145247Sdamien 1347145247Sdamien default: 1348172567Sthompsa device_printf(sc->sc_dev, "unexpected status code %u\n", 1349145247Sdamien le16toh(status->code)); 1350145247Sdamien } 1351145247Sdamien 1352145247Sdamien /* firmware was killed, stop processing received frames */ 1353145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1354145247Sdamien return; 1355145247Sdamien 1356145247Sdamien sbd->bd->flags = 0; 1357145247Sdamien } 1358145247Sdamien 1359145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 1360145247Sdamien 1361145247Sdamien /* kick the firmware */ 1362145247Sdamien sc->rxcur = (r == 0) ? IPW_NRBD - 1 : r - 1; 1363145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_WRITE, sc->rxcur); 1364145247Sdamien} 1365145247Sdamien 1366145247Sdamienstatic void 1367145247Sdamienipw_release_sbd(struct ipw_softc *sc, struct ipw_soft_bd *sbd) 1368145247Sdamien{ 1369145247Sdamien struct ipw_soft_hdr *shdr; 1370145247Sdamien struct ipw_soft_buf *sbuf; 1371145247Sdamien 1372145247Sdamien switch (sbd->type) { 1373145247Sdamien case IPW_SBD_TYPE_COMMAND: 1374145247Sdamien bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map, 1375145247Sdamien BUS_DMASYNC_POSTWRITE); 1376145247Sdamien bus_dmamap_unload(sc->cmd_dmat, sc->cmd_map); 1377145247Sdamien break; 1378145247Sdamien 1379145247Sdamien case IPW_SBD_TYPE_HEADER: 1380145247Sdamien shdr = sbd->priv; 1381145247Sdamien bus_dmamap_sync(sc->hdr_dmat, shdr->map, BUS_DMASYNC_POSTWRITE); 1382145247Sdamien bus_dmamap_unload(sc->hdr_dmat, shdr->map); 1383145247Sdamien SLIST_INSERT_HEAD(&sc->free_shdr, shdr, next); 1384145247Sdamien break; 1385145247Sdamien 1386145247Sdamien case IPW_SBD_TYPE_DATA: 1387145247Sdamien sbuf = sbd->priv; 1388145247Sdamien bus_dmamap_sync(sc->txbuf_dmat, sbuf->map, 1389145247Sdamien BUS_DMASYNC_POSTWRITE); 1390145247Sdamien bus_dmamap_unload(sc->txbuf_dmat, sbuf->map); 1391145247Sdamien SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next); 1392145247Sdamien 1393170530Ssam if (sbuf->m->m_flags & M_TXCB) 1394170530Ssam ieee80211_process_callback(sbuf->ni, sbuf->m, 0/*XXX*/); 1395145247Sdamien m_freem(sbuf->m); 1396145247Sdamien ieee80211_free_node(sbuf->ni); 1397145247Sdamien 1398145247Sdamien sc->sc_tx_timer = 0; 1399145247Sdamien break; 1400145247Sdamien } 1401145247Sdamien 1402145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 1403145247Sdamien} 1404145247Sdamien 1405145247Sdamienstatic void 1406145247Sdamienipw_tx_intr(struct ipw_softc *sc) 1407145247Sdamien{ 1408178354Ssam struct ifnet *ifp = sc->sc_ifp; 1409145247Sdamien struct ipw_soft_bd *sbd; 1410145247Sdamien uint32_t r, i; 1411145247Sdamien 1412145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1413145247Sdamien return; 1414145247Sdamien 1415145247Sdamien r = CSR_READ_4(sc, IPW_CSR_TX_READ); 1416145247Sdamien 1417145247Sdamien for (i = (sc->txold + 1) % IPW_NTBD; i != r; i = (i + 1) % IPW_NTBD) { 1418145247Sdamien sbd = &sc->stbd_list[i]; 1419145247Sdamien 1420145247Sdamien if (sbd->type == IPW_SBD_TYPE_DATA) 1421145247Sdamien ifp->if_opackets++; 1422145247Sdamien 1423145247Sdamien ipw_release_sbd(sc, sbd); 1424145247Sdamien sc->txfree++; 1425145247Sdamien } 1426145247Sdamien 1427145247Sdamien /* remember what the firmware has processed */ 1428145247Sdamien sc->txold = (r == 0) ? IPW_NTBD - 1 : r - 1; 1429145247Sdamien 1430148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1431172567Sthompsa ipw_start_locked(ifp); 1432145247Sdamien} 1433145247Sdamien 1434145247Sdamienstatic void 1435145247Sdamienipw_intr(void *arg) 1436145247Sdamien{ 1437145247Sdamien struct ipw_softc *sc = arg; 1438145247Sdamien uint32_t r; 1439172567Sthompsa IPW_LOCK_DECL; 1440145247Sdamien 1441172567Sthompsa IPW_LOCK(sc); 1442145247Sdamien 1443145247Sdamien if ((r = CSR_READ_4(sc, IPW_CSR_INTR)) == 0 || r == 0xffffffff) { 1444172567Sthompsa IPW_UNLOCK(sc); 1445145247Sdamien return; 1446145247Sdamien } 1447145247Sdamien 1448145247Sdamien /* disable interrupts */ 1449145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0); 1450145247Sdamien 1451156599Sdamien /* acknowledge all interrupts */ 1452156599Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR, r); 1453156599Sdamien 1454145247Sdamien if (r & (IPW_INTR_FATAL_ERROR | IPW_INTR_PARITY_ERROR)) { 1455156599Sdamien device_printf(sc->sc_dev, "firmware error\n"); 1456178354Ssam taskqueue_enqueue(taskqueue_swi, &sc->sc_init_task); 1457156599Sdamien r = 0; /* don't process more interrupts */ 1458145247Sdamien } 1459145247Sdamien 1460156599Sdamien if (r & IPW_INTR_FW_INIT_DONE) 1461156599Sdamien wakeup(sc); 1462145247Sdamien 1463145247Sdamien if (r & IPW_INTR_RX_TRANSFER) 1464145247Sdamien ipw_rx_intr(sc); 1465145247Sdamien 1466145247Sdamien if (r & IPW_INTR_TX_TRANSFER) 1467145247Sdamien ipw_tx_intr(sc); 1468145247Sdamien 1469145247Sdamien /* re-enable interrupts */ 1470145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK); 1471145247Sdamien 1472172567Sthompsa IPW_UNLOCK(sc); 1473145247Sdamien} 1474145247Sdamien 1475145247Sdamienstatic void 1476145247Sdamienipw_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) 1477145247Sdamien{ 1478145247Sdamien if (error != 0) 1479145247Sdamien return; 1480145247Sdamien 1481145247Sdamien KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 1482145247Sdamien 1483145247Sdamien *(bus_addr_t *)arg = segs[0].ds_addr; 1484145247Sdamien} 1485145247Sdamien 1486172567Sthompsastatic const char * 1487172567Sthompsaipw_cmdname(int cmd) 1488172567Sthompsa{ 1489172567Sthompsa#define N(a) (sizeof(a) / sizeof(a[0])) 1490172567Sthompsa static const struct { 1491172567Sthompsa int cmd; 1492172567Sthompsa const char *name; 1493172567Sthompsa } cmds[] = { 1494172567Sthompsa { IPW_CMD_ADD_MULTICAST, "ADD_MULTICAST" }, 1495172567Sthompsa { IPW_CMD_BROADCAST_SCAN, "BROADCAST_SCAN" }, 1496172567Sthompsa { IPW_CMD_DISABLE, "DISABLE" }, 1497172567Sthompsa { IPW_CMD_DISABLE_PHY, "DISABLE_PHY" }, 1498172567Sthompsa { IPW_CMD_ENABLE, "ENABLE" }, 1499172567Sthompsa { IPW_CMD_PREPARE_POWER_DOWN, "PREPARE_POWER_DOWN" }, 1500172567Sthompsa { IPW_CMD_SET_BASIC_TX_RATES, "SET_BASIC_TX_RATES" }, 1501172567Sthompsa { IPW_CMD_SET_BEACON_INTERVAL, "SET_BEACON_INTERVAL" }, 1502172567Sthompsa { IPW_CMD_SET_CHANNEL, "SET_CHANNEL" }, 1503172567Sthompsa { IPW_CMD_SET_CONFIGURATION, "SET_CONFIGURATION" }, 1504172567Sthompsa { IPW_CMD_SET_DESIRED_BSSID, "SET_DESIRED_BSSID" }, 1505172567Sthompsa { IPW_CMD_SET_ESSID, "SET_ESSID" }, 1506172567Sthompsa { IPW_CMD_SET_FRAG_THRESHOLD, "SET_FRAG_THRESHOLD" }, 1507172567Sthompsa { IPW_CMD_SET_MAC_ADDRESS, "SET_MAC_ADDRESS" }, 1508172567Sthompsa { IPW_CMD_SET_MANDATORY_BSSID, "SET_MANDATORY_BSSID" }, 1509172567Sthompsa { IPW_CMD_SET_MODE, "SET_MODE" }, 1510172567Sthompsa { IPW_CMD_SET_MSDU_TX_RATES, "SET_MSDU_TX_RATES" }, 1511172567Sthompsa { IPW_CMD_SET_POWER_MODE, "SET_POWER_MODE" }, 1512172567Sthompsa { IPW_CMD_SET_RTS_THRESHOLD, "SET_RTS_THRESHOLD" }, 1513172567Sthompsa { IPW_CMD_SET_SCAN_OPTIONS, "SET_SCAN_OPTIONS" }, 1514172567Sthompsa { IPW_CMD_SET_SECURITY_INFO, "SET_SECURITY_INFO" }, 1515172567Sthompsa { IPW_CMD_SET_TX_POWER_INDEX, "SET_TX_POWER_INDEX" }, 1516172567Sthompsa { IPW_CMD_SET_TX_RATES, "SET_TX_RATES" }, 1517172567Sthompsa { IPW_CMD_SET_WEP_FLAGS, "SET_WEP_FLAGS" }, 1518172567Sthompsa { IPW_CMD_SET_WEP_KEY, "SET_WEP_KEY" }, 1519172567Sthompsa { IPW_CMD_SET_WEP_KEY_INDEX, "SET_WEP_KEY_INDEX" }, 1520172567Sthompsa { IPW_CMD_SET_WPA_IE, "SET_WPA_IE" }, 1521172567Sthompsa 1522172567Sthompsa }; 1523172567Sthompsa static char buf[12]; 1524172567Sthompsa int i; 1525172567Sthompsa 1526172567Sthompsa for (i = 0; i < N(cmds); i++) 1527172567Sthompsa if (cmds[i].cmd == cmd) 1528172567Sthompsa return cmds[i].name; 1529172567Sthompsa snprintf(buf, sizeof(buf), "%u", cmd); 1530172567Sthompsa return buf; 1531172567Sthompsa#undef N 1532172567Sthompsa} 1533172567Sthompsa 1534145247Sdamien/* 1535145247Sdamien * Send a command to the firmware and wait for the acknowledgement. 1536145247Sdamien */ 1537145247Sdamienstatic int 1538145247Sdamienipw_cmd(struct ipw_softc *sc, uint32_t type, void *data, uint32_t len) 1539145247Sdamien{ 1540145247Sdamien struct ipw_soft_bd *sbd; 1541145247Sdamien bus_addr_t physaddr; 1542145247Sdamien int error; 1543145247Sdamien 1544178354Ssam IPW_LOCK_ASSERT(sc); 1545178354Ssam 1546172567Sthompsa if (sc->flags & IPW_FLAG_BUSY) { 1547172567Sthompsa device_printf(sc->sc_dev, "%s: %s not sent, busy\n", 1548172567Sthompsa __func__, ipw_cmdname(type)); 1549172567Sthompsa return EAGAIN; 1550172567Sthompsa } 1551172567Sthompsa sc->flags |= IPW_FLAG_BUSY; 1552172567Sthompsa 1553145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1554145247Sdamien 1555145247Sdamien error = bus_dmamap_load(sc->cmd_dmat, sc->cmd_map, &sc->cmd, 1556145247Sdamien sizeof (struct ipw_cmd), ipw_dma_map_addr, &physaddr, 0); 1557145247Sdamien if (error != 0) { 1558145247Sdamien device_printf(sc->sc_dev, "could not map command DMA memory\n"); 1559172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 1560145247Sdamien return error; 1561145247Sdamien } 1562145247Sdamien 1563145247Sdamien sc->cmd.type = htole32(type); 1564145247Sdamien sc->cmd.subtype = 0; 1565145247Sdamien sc->cmd.len = htole32(len); 1566145247Sdamien sc->cmd.seq = 0; 1567152637Sdamien memcpy(sc->cmd.data, data, len); 1568145247Sdamien 1569145247Sdamien sbd->type = IPW_SBD_TYPE_COMMAND; 1570145247Sdamien sbd->bd->physaddr = htole32(physaddr); 1571145247Sdamien sbd->bd->len = htole32(sizeof (struct ipw_cmd)); 1572145247Sdamien sbd->bd->nfrag = 1; 1573145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_COMMAND | 1574145247Sdamien IPW_BD_FLAG_TX_LAST_FRAGMENT; 1575145247Sdamien 1576145247Sdamien bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map, BUS_DMASYNC_PREWRITE); 1577145247Sdamien bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE); 1578145247Sdamien 1579172567Sthompsa#ifdef IPW_DEBUG 1580172567Sthompsa if (ipw_debug >= 4) { 1581172567Sthompsa printf("sending %s(%u, %u, %u, %u)", ipw_cmdname(type), type, 1582172567Sthompsa 0, 0, len); 1583172567Sthompsa /* Print the data buffer in the higher debug level */ 1584172567Sthompsa if (ipw_debug >= 9 && len > 0) { 1585172567Sthompsa printf(" data: 0x"); 1586172567Sthompsa for (int i = 1; i <= len; i++) 1587174269Swkoszek printf("%1D", (u_char *)data + len - i, ""); 1588172567Sthompsa } 1589172567Sthompsa printf("\n"); 1590172567Sthompsa } 1591172567Sthompsa#endif 1592145247Sdamien 1593145247Sdamien /* kick firmware */ 1594145247Sdamien sc->txfree--; 1595145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1596145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 1597145247Sdamien 1598145247Sdamien /* wait at most one second for command to complete */ 1599172567Sthompsa error = msleep(sc, &sc->sc_mtx, 0, "ipwcmd", hz); 1600172567Sthompsa if (error != 0) { 1601172567Sthompsa device_printf(sc->sc_dev, "%s: %s failed, timeout (error %u)\n", 1602172567Sthompsa __func__, ipw_cmdname(type), error); 1603172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 1604172567Sthompsa return (error); 1605172567Sthompsa } 1606172567Sthompsa return (0); 1607145247Sdamien} 1608145247Sdamien 1609145247Sdamienstatic int 1610145247Sdamienipw_tx_start(struct ifnet *ifp, struct mbuf *m0, struct ieee80211_node *ni) 1611145247Sdamien{ 1612145247Sdamien struct ipw_softc *sc = ifp->if_softc; 1613178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1614145247Sdamien struct ieee80211_frame *wh; 1615145247Sdamien struct ipw_soft_bd *sbd; 1616145247Sdamien struct ipw_soft_hdr *shdr; 1617145247Sdamien struct ipw_soft_buf *sbuf; 1618145247Sdamien struct ieee80211_key *k; 1619145247Sdamien struct mbuf *mnew; 1620145247Sdamien bus_dma_segment_t segs[IPW_MAX_NSEG]; 1621145247Sdamien bus_addr_t physaddr; 1622145247Sdamien int nsegs, error, i; 1623145247Sdamien 1624145247Sdamien wh = mtod(m0, struct ieee80211_frame *); 1625145247Sdamien 1626145247Sdamien if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1627178354Ssam k = ieee80211_crypto_encap(ni, m0); 1628147806Ssam if (k == NULL) { 1629147806Ssam m_freem(m0); 1630145247Sdamien return ENOBUFS; 1631147806Ssam } 1632145247Sdamien /* packet header may have moved, reset our local pointer */ 1633145247Sdamien wh = mtod(m0, struct ieee80211_frame *); 1634145247Sdamien } 1635145247Sdamien 1636178354Ssam if (bpf_peers_present(ifp->if_bpf)) { 1637145247Sdamien struct ipw_tx_radiotap_header *tap = &sc->sc_txtap; 1638145247Sdamien 1639145247Sdamien tap->wt_flags = 0; 1640156599Sdamien tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 1641156599Sdamien tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 1642145247Sdamien 1643178354Ssam bpf_mtap2(ifp->if_bpf, tap, sc->sc_txtap_len, m0); 1644145247Sdamien } 1645145247Sdamien 1646145247Sdamien shdr = SLIST_FIRST(&sc->free_shdr); 1647145247Sdamien sbuf = SLIST_FIRST(&sc->free_sbuf); 1648145247Sdamien KASSERT(shdr != NULL && sbuf != NULL, ("empty sw hdr/buf pool")); 1649145247Sdamien 1650145247Sdamien shdr->hdr.type = htole32(IPW_HDR_TYPE_SEND); 1651145247Sdamien shdr->hdr.subtype = 0; 1652145247Sdamien shdr->hdr.encrypted = (wh->i_fc[1] & IEEE80211_FC1_WEP) ? 1 : 0; 1653145247Sdamien shdr->hdr.encrypt = 0; 1654145247Sdamien shdr->hdr.keyidx = 0; 1655145247Sdamien shdr->hdr.keysz = 0; 1656145247Sdamien shdr->hdr.fragmentsz = 0; 1657145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.src_addr, wh->i_addr2); 1658145247Sdamien if (ic->ic_opmode == IEEE80211_M_STA) 1659145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr3); 1660145247Sdamien else 1661145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr1); 1662145247Sdamien 1663145247Sdamien /* trim IEEE802.11 header */ 1664145247Sdamien m_adj(m0, sizeof (struct ieee80211_frame)); 1665145247Sdamien 1666145247Sdamien error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0, segs, 1667145247Sdamien &nsegs, 0); 1668145247Sdamien if (error != 0 && error != EFBIG) { 1669145247Sdamien device_printf(sc->sc_dev, "could not map mbuf (error %d)\n", 1670145247Sdamien error); 1671145247Sdamien m_freem(m0); 1672145247Sdamien return error; 1673145247Sdamien } 1674145247Sdamien if (error != 0) { 1675145247Sdamien mnew = m_defrag(m0, M_DONTWAIT); 1676145247Sdamien if (mnew == NULL) { 1677145247Sdamien device_printf(sc->sc_dev, 1678145247Sdamien "could not defragment mbuf\n"); 1679145247Sdamien m_freem(m0); 1680145247Sdamien return ENOBUFS; 1681145247Sdamien } 1682145247Sdamien m0 = mnew; 1683145247Sdamien 1684145247Sdamien error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0, 1685145247Sdamien segs, &nsegs, 0); 1686145247Sdamien if (error != 0) { 1687145247Sdamien device_printf(sc->sc_dev, 1688145247Sdamien "could not map mbuf (error %d)\n", error); 1689145247Sdamien m_freem(m0); 1690145247Sdamien return error; 1691145247Sdamien } 1692145247Sdamien } 1693145247Sdamien 1694145247Sdamien error = bus_dmamap_load(sc->hdr_dmat, shdr->map, &shdr->hdr, 1695145247Sdamien sizeof (struct ipw_hdr), ipw_dma_map_addr, &physaddr, 0); 1696145247Sdamien if (error != 0) { 1697145247Sdamien device_printf(sc->sc_dev, "could not map header DMA memory\n"); 1698145247Sdamien bus_dmamap_unload(sc->txbuf_dmat, sbuf->map); 1699145247Sdamien m_freem(m0); 1700145247Sdamien return error; 1701145247Sdamien } 1702145247Sdamien 1703145247Sdamien SLIST_REMOVE_HEAD(&sc->free_sbuf, next); 1704145247Sdamien SLIST_REMOVE_HEAD(&sc->free_shdr, next); 1705145247Sdamien 1706145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1707145247Sdamien sbd->type = IPW_SBD_TYPE_HEADER; 1708145247Sdamien sbd->priv = shdr; 1709145247Sdamien sbd->bd->physaddr = htole32(physaddr); 1710145247Sdamien sbd->bd->len = htole32(sizeof (struct ipw_hdr)); 1711145247Sdamien sbd->bd->nfrag = 1 + nsegs; 1712145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3 | 1713145247Sdamien IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT; 1714145247Sdamien 1715145247Sdamien DPRINTFN(5, ("sending tx hdr (%u, %u, %u, %u, %6D, %6D)\n", 1716145247Sdamien shdr->hdr.type, shdr->hdr.subtype, shdr->hdr.encrypted, 1717145247Sdamien shdr->hdr.encrypt, shdr->hdr.src_addr, ":", shdr->hdr.dst_addr, 1718145247Sdamien ":")); 1719145247Sdamien 1720145247Sdamien sc->txfree--; 1721145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1722145247Sdamien 1723145247Sdamien sbuf->m = m0; 1724145247Sdamien sbuf->ni = ni; 1725145247Sdamien 1726145247Sdamien for (i = 0; i < nsegs; i++) { 1727145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1728145247Sdamien 1729145247Sdamien sbd->bd->physaddr = htole32(segs[i].ds_addr); 1730145247Sdamien sbd->bd->len = htole32(segs[i].ds_len); 1731145247Sdamien sbd->bd->nfrag = 0; 1732145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3; 1733145247Sdamien if (i == nsegs - 1) { 1734145247Sdamien sbd->type = IPW_SBD_TYPE_DATA; 1735145247Sdamien sbd->priv = sbuf; 1736145247Sdamien sbd->bd->flags |= IPW_BD_FLAG_TX_LAST_FRAGMENT; 1737145247Sdamien } else { 1738145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 1739145247Sdamien sbd->bd->flags |= IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT; 1740145247Sdamien } 1741145247Sdamien 1742172574Sthompsa DPRINTFN(5, ("sending fragment (%d)\n", i)); 1743145247Sdamien 1744145247Sdamien sc->txfree--; 1745145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1746145247Sdamien } 1747145247Sdamien 1748145247Sdamien bus_dmamap_sync(sc->hdr_dmat, shdr->map, BUS_DMASYNC_PREWRITE); 1749145247Sdamien bus_dmamap_sync(sc->txbuf_dmat, sbuf->map, BUS_DMASYNC_PREWRITE); 1750145247Sdamien bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE); 1751145247Sdamien 1752145247Sdamien /* kick firmware */ 1753145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 1754145247Sdamien 1755145247Sdamien return 0; 1756145247Sdamien} 1757145247Sdamien 1758178354Ssamstatic int 1759178354Ssamipw_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 1760178354Ssam const struct ieee80211_bpf_params *params) 1761178354Ssam{ 1762178354Ssam /* no support; just discard */ 1763178354Ssam m_freem(m); 1764178354Ssam ieee80211_free_node(ni); 1765178354Ssam return 0; 1766178354Ssam} 1767178354Ssam 1768145247Sdamienstatic void 1769145247Sdamienipw_start(struct ifnet *ifp) 1770145247Sdamien{ 1771145247Sdamien struct ipw_softc *sc = ifp->if_softc; 1772172567Sthompsa IPW_LOCK_DECL; 1773172567Sthompsa 1774172567Sthompsa IPW_LOCK(sc); 1775172567Sthompsa ipw_start_locked(ifp); 1776172567Sthompsa IPW_UNLOCK(sc); 1777172567Sthompsa} 1778172567Sthompsa 1779172567Sthompsastatic void 1780172567Sthompsaipw_start_locked(struct ifnet *ifp) 1781172567Sthompsa{ 1782172567Sthompsa struct ipw_softc *sc = ifp->if_softc; 1783145247Sdamien struct ieee80211_node *ni; 1784178354Ssam struct mbuf *m; 1785145247Sdamien 1786172567Sthompsa IPW_LOCK_ASSERT(sc); 1787145247Sdamien 1788145247Sdamien for (;;) { 1789178354Ssam IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 1790178354Ssam if (m == NULL) 1791145247Sdamien break; 1792145247Sdamien if (sc->txfree < 1 + IPW_MAX_NSEG) { 1793178354Ssam IFQ_DRV_PREPEND(&ifp->if_snd, m); 1794148887Srwatson ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1795145247Sdamien break; 1796145247Sdamien } 1797178354Ssam ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; 1798178354Ssam m = ieee80211_encap(ni, m); 1799178354Ssam if (m == NULL) { 1800145247Sdamien ieee80211_free_node(ni); 1801145247Sdamien continue; 1802145247Sdamien } 1803178354Ssam if (ipw_tx_start(ifp, m, ni) != 0) { 1804145247Sdamien ieee80211_free_node(ni); 1805145247Sdamien ifp->if_oerrors++; 1806145247Sdamien break; 1807145247Sdamien } 1808145247Sdamien /* start watchdog timer */ 1809145247Sdamien sc->sc_tx_timer = 5; 1810145247Sdamien } 1811145247Sdamien} 1812145247Sdamien 1813145247Sdamienstatic void 1814172567Sthompsaipw_watchdog(void *arg) 1815145247Sdamien{ 1816172567Sthompsa struct ipw_softc *sc = arg; 1817172567Sthompsa struct ifnet *ifp = sc->sc_ifp; 1818178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1819145247Sdamien 1820172567Sthompsa IPW_LOCK_ASSERT(sc); 1821156599Sdamien 1822145247Sdamien if (sc->sc_tx_timer > 0) { 1823145247Sdamien if (--sc->sc_tx_timer == 0) { 1824145247Sdamien if_printf(ifp, "device timeout\n"); 1825145247Sdamien ifp->if_oerrors++; 1826178354Ssam taskqueue_enqueue(taskqueue_swi, &sc->sc_init_task); 1827145247Sdamien } 1828145247Sdamien } 1829172567Sthompsa if (sc->sc_scan_timer > 0) { 1830172567Sthompsa if (--sc->sc_scan_timer == 0) { 1831172567Sthompsa DPRINTFN(3, ("Scan timeout\n")); 1832172567Sthompsa /* End the scan */ 1833172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) { 1834178354Ssam ieee80211_scan_done(TAILQ_FIRST(&ic->ic_vaps)); 1835172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 1836172567Sthompsa } 1837172567Sthompsa } 1838172567Sthompsa } 1839172567Sthompsa if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1840172567Sthompsa callout_reset(&sc->sc_wdtimer, hz, ipw_watchdog, sc); 1841145247Sdamien} 1842145247Sdamien 1843145247Sdamienstatic int 1844145247Sdamienipw_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1845145247Sdamien{ 1846145247Sdamien struct ipw_softc *sc = ifp->if_softc; 1847178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1848178354Ssam struct ifreq *ifr = (struct ifreq *) data; 1849178354Ssam int error = 0, startall = 0; 1850172567Sthompsa IPW_LOCK_DECL; 1851145247Sdamien 1852145247Sdamien switch (cmd) { 1853145247Sdamien case SIOCSIFFLAGS: 1854178704Sthompsa IPW_LOCK(sc); 1855145247Sdamien if (ifp->if_flags & IFF_UP) { 1856178354Ssam if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1857178354Ssam ipw_init_locked(sc); 1858178354Ssam startall = 1; 1859178354Ssam } 1860145247Sdamien } else { 1861148887Srwatson if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1862172567Sthompsa ipw_stop_locked(sc); 1863145247Sdamien } 1864178704Sthompsa IPW_UNLOCK(sc); 1865178704Sthompsa if (startall) 1866178704Sthompsa ieee80211_start_all(ic); 1867145247Sdamien break; 1868178354Ssam case SIOCGIFMEDIA: 1869178354Ssam error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 1870178354Ssam break; 1871178704Sthompsa case SIOCGIFADDR: 1872178704Sthompsa error = ether_ioctl(ifp, cmd, data); 1873178704Sthompsa break; 1874145247Sdamien default: 1875178704Sthompsa error = EINVAL; 1876178704Sthompsa break; 1877145247Sdamien } 1878145247Sdamien return error; 1879145247Sdamien} 1880145247Sdamien 1881145247Sdamienstatic void 1882145247Sdamienipw_stop_master(struct ipw_softc *sc) 1883145247Sdamien{ 1884156599Sdamien uint32_t tmp; 1885145247Sdamien int ntries; 1886145247Sdamien 1887145247Sdamien /* disable interrupts */ 1888145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0); 1889145247Sdamien 1890145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_STOP_MASTER); 1891145247Sdamien for (ntries = 0; ntries < 50; ntries++) { 1892145247Sdamien if (CSR_READ_4(sc, IPW_CSR_RST) & IPW_RST_MASTER_DISABLED) 1893145247Sdamien break; 1894145247Sdamien DELAY(10); 1895145247Sdamien } 1896145247Sdamien if (ntries == 50) 1897145247Sdamien device_printf(sc->sc_dev, "timeout waiting for master\n"); 1898145247Sdamien 1899156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_RST); 1900156599Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_PRINCETON_RESET); 1901145247Sdamien 1902172567Sthompsa /* Clear all flags except the following */ 1903172567Sthompsa sc->flags &= IPW_FLAG_HAS_RADIO_SWITCH; 1904145247Sdamien} 1905145247Sdamien 1906145247Sdamienstatic int 1907145247Sdamienipw_reset(struct ipw_softc *sc) 1908145247Sdamien{ 1909156599Sdamien uint32_t tmp; 1910145247Sdamien int ntries; 1911145247Sdamien 1912145247Sdamien ipw_stop_master(sc); 1913145247Sdamien 1914145247Sdamien /* move adapter to D0 state */ 1915156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1916156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_INIT); 1917145247Sdamien 1918145247Sdamien /* wait for clock stabilization */ 1919145247Sdamien for (ntries = 0; ntries < 1000; ntries++) { 1920145247Sdamien if (CSR_READ_4(sc, IPW_CSR_CTL) & IPW_CTL_CLOCK_READY) 1921145247Sdamien break; 1922145247Sdamien DELAY(200); 1923145247Sdamien } 1924145247Sdamien if (ntries == 1000) 1925145247Sdamien return EIO; 1926145247Sdamien 1927156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_RST); 1928156599Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_SW_RESET); 1929145247Sdamien 1930145247Sdamien DELAY(10); 1931145247Sdamien 1932156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1933156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_INIT); 1934145247Sdamien 1935145247Sdamien return 0; 1936145247Sdamien} 1937145247Sdamien 1938172567Sthompsastatic int 1939172567Sthompsaipw_waitfordisable(struct ipw_softc *sc, int waitfor) 1940172567Sthompsa{ 1941172567Sthompsa int ms = hz < 1000 ? 1 : hz/10; 1942172567Sthompsa int i, error; 1943172567Sthompsa 1944172567Sthompsa for (i = 0; i < 100; i++) { 1945172567Sthompsa if (ipw_read_table1(sc, IPW_INFO_CARD_DISABLED) == waitfor) 1946172567Sthompsa return 0; 1947172567Sthompsa error = msleep(sc, &sc->sc_mtx, PCATCH, __func__, ms); 1948172567Sthompsa if (error == 0 || error != EWOULDBLOCK) 1949172567Sthompsa return 0; 1950172567Sthompsa } 1951172567Sthompsa DPRINTF(("%s: timeout waiting for %s\n", 1952172567Sthompsa __func__, waitfor ? "disable" : "enable")); 1953172567Sthompsa return ETIMEDOUT; 1954172567Sthompsa} 1955172567Sthompsa 1956172567Sthompsastatic int 1957172567Sthompsaipw_enable(struct ipw_softc *sc) 1958172567Sthompsa{ 1959172567Sthompsa int error; 1960172567Sthompsa 1961172567Sthompsa if ((sc->flags & IPW_FLAG_ENABLED) == 0) { 1962172567Sthompsa DPRINTF(("Enable adapter\n")); 1963172567Sthompsa error = ipw_cmd(sc, IPW_CMD_ENABLE, NULL, 0); 1964172567Sthompsa if (error != 0) 1965172567Sthompsa return error; 1966172567Sthompsa error = ipw_waitfordisable(sc, 0); 1967172567Sthompsa if (error != 0) 1968172567Sthompsa return error; 1969172567Sthompsa sc->flags |= IPW_FLAG_ENABLED; 1970172567Sthompsa } 1971172567Sthompsa return 0; 1972172567Sthompsa} 1973172567Sthompsa 1974172567Sthompsastatic int 1975172567Sthompsaipw_disable(struct ipw_softc *sc) 1976172567Sthompsa{ 1977172567Sthompsa int error; 1978172567Sthompsa 1979172567Sthompsa if (sc->flags & IPW_FLAG_ENABLED) { 1980172567Sthompsa DPRINTF(("Disable adapter\n")); 1981172567Sthompsa error = ipw_cmd(sc, IPW_CMD_DISABLE, NULL, 0); 1982172567Sthompsa if (error != 0) 1983172567Sthompsa return error; 1984172567Sthompsa error = ipw_waitfordisable(sc, 1); 1985172567Sthompsa if (error != 0) 1986172567Sthompsa return error; 1987172567Sthompsa sc->flags &= ~IPW_FLAG_ENABLED; 1988172567Sthompsa } 1989172567Sthompsa return 0; 1990172567Sthompsa} 1991172567Sthompsa 1992145247Sdamien/* 1993145247Sdamien * Upload the microcode to the device. 1994145247Sdamien */ 1995145247Sdamienstatic int 1996156599Sdamienipw_load_ucode(struct ipw_softc *sc, const char *uc, int size) 1997145247Sdamien{ 1998145247Sdamien int ntries; 1999145247Sdamien 2000145247Sdamien MEM_WRITE_4(sc, 0x3000e0, 0x80000000); 2001145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, 0); 2002145247Sdamien 2003145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0703); 2004145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0707); 2005145247Sdamien 2006145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 2007145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 2008145247Sdamien 2009145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x40); 2010145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 2011145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x40); 2012145247Sdamien 2013145247Sdamien MEM_WRITE_MULTI_1(sc, 0x210010, uc, size); 2014145247Sdamien 2015145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 2016145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 2017145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x80); 2018145247Sdamien 2019145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0703); 2020145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0707); 2021145247Sdamien 2022145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 2023145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 2024145247Sdamien 2025145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 2026145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x80); 2027145247Sdamien 2028145247Sdamien for (ntries = 0; ntries < 10; ntries++) { 2029145247Sdamien if (MEM_READ_1(sc, 0x210000) & 1) 2030145247Sdamien break; 2031145247Sdamien DELAY(10); 2032145247Sdamien } 2033145247Sdamien if (ntries == 10) { 2034145247Sdamien device_printf(sc->sc_dev, 2035145247Sdamien "timeout waiting for ucode to initialize\n"); 2036145247Sdamien return EIO; 2037145247Sdamien } 2038145247Sdamien 2039145247Sdamien MEM_WRITE_4(sc, 0x3000e0, 0); 2040145247Sdamien 2041145247Sdamien return 0; 2042145247Sdamien} 2043145247Sdamien 2044145247Sdamien/* set of macros to handle unaligned little endian data in firmware image */ 2045145247Sdamien#define GETLE32(p) ((p)[0] | (p)[1] << 8 | (p)[2] << 16 | (p)[3] << 24) 2046145247Sdamien#define GETLE16(p) ((p)[0] | (p)[1] << 8) 2047145247Sdamienstatic int 2048156599Sdamienipw_load_firmware(struct ipw_softc *sc, const char *fw, int size) 2049145247Sdamien{ 2050156599Sdamien const uint8_t *p, *end; 2051156599Sdamien uint32_t tmp, dst; 2052145247Sdamien uint16_t len; 2053145247Sdamien int error; 2054145247Sdamien 2055145247Sdamien p = fw; 2056145247Sdamien end = fw + size; 2057145247Sdamien while (p < end) { 2058145247Sdamien dst = GETLE32(p); p += 4; 2059145247Sdamien len = GETLE16(p); p += 2; 2060145247Sdamien 2061145247Sdamien ipw_write_mem_1(sc, dst, p, len); 2062145247Sdamien p += len; 2063145247Sdamien } 2064145247Sdamien 2065145247Sdamien CSR_WRITE_4(sc, IPW_CSR_IO, IPW_IO_GPIO1_ENABLE | IPW_IO_GPIO3_MASK | 2066145247Sdamien IPW_IO_LED_OFF); 2067145247Sdamien 2068145247Sdamien /* enable interrupts */ 2069145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK); 2070145247Sdamien 2071145247Sdamien /* kick the firmware */ 2072145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, 0); 2073145247Sdamien 2074156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 2075156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_ALLOW_STANDBY); 2076145247Sdamien 2077145247Sdamien /* wait at most one second for firmware initialization to complete */ 2078145247Sdamien if ((error = msleep(sc, &sc->sc_mtx, 0, "ipwinit", hz)) != 0) { 2079145247Sdamien device_printf(sc->sc_dev, "timeout waiting for firmware " 2080145247Sdamien "initialization to complete\n"); 2081145247Sdamien return error; 2082145247Sdamien } 2083145247Sdamien 2084156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_IO); 2085156599Sdamien CSR_WRITE_4(sc, IPW_CSR_IO, tmp | IPW_IO_GPIO1_MASK | 2086156599Sdamien IPW_IO_GPIO3_MASK); 2087145247Sdamien 2088145247Sdamien return 0; 2089145247Sdamien} 2090145247Sdamien 2091145247Sdamienstatic int 2092172567Sthompsaipw_setwepkeys(struct ipw_softc *sc) 2093172567Sthompsa{ 2094178354Ssam struct ifnet *ifp = sc->sc_ifp; 2095178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2096178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2097172567Sthompsa struct ipw_wep_key wepkey; 2098172567Sthompsa struct ieee80211_key *wk; 2099172567Sthompsa int error, i; 2100172567Sthompsa 2101172567Sthompsa for (i = 0; i < IEEE80211_WEP_NKID; i++) { 2102178354Ssam wk = &vap->iv_nw_keys[i]; 2103172567Sthompsa 2104172567Sthompsa if (wk->wk_cipher == NULL || 2105172567Sthompsa wk->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP) 2106172567Sthompsa continue; 2107172567Sthompsa 2108172567Sthompsa wepkey.idx = i; 2109172567Sthompsa wepkey.len = wk->wk_keylen; 2110172567Sthompsa memset(wepkey.key, 0, sizeof wepkey.key); 2111172567Sthompsa memcpy(wepkey.key, wk->wk_key, wk->wk_keylen); 2112172567Sthompsa DPRINTF(("Setting wep key index %u len %u\n", wepkey.idx, 2113172567Sthompsa wepkey.len)); 2114172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY, &wepkey, 2115172567Sthompsa sizeof wepkey); 2116172567Sthompsa if (error != 0) 2117172567Sthompsa return error; 2118172567Sthompsa } 2119172567Sthompsa return 0; 2120172567Sthompsa} 2121172567Sthompsa 2122172567Sthompsastatic int 2123172567Sthompsaipw_setwpaie(struct ipw_softc *sc, const void *ie, int ielen) 2124172567Sthompsa{ 2125172567Sthompsa struct ipw_wpa_ie wpaie; 2126172567Sthompsa 2127172567Sthompsa memset(&wpaie, 0, sizeof(wpaie)); 2128172567Sthompsa wpaie.len = htole32(ielen); 2129172567Sthompsa /* XXX verify length */ 2130172567Sthompsa memcpy(&wpaie.ie, ie, ielen); 2131172567Sthompsa DPRINTF(("Setting WPA IE\n")); 2132172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_WPA_IE, &wpaie, sizeof(wpaie)); 2133172567Sthompsa} 2134172567Sthompsa 2135172567Sthompsastatic int 2136172567Sthompsaipw_setbssid(struct ipw_softc *sc, uint8_t *bssid) 2137172567Sthompsa{ 2138172567Sthompsa static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 2139172567Sthompsa 2140172567Sthompsa if (bssid == NULL || bcmp(bssid, zerobssid, IEEE80211_ADDR_LEN) == 0) { 2141172567Sthompsa DPRINTF(("Setting mandatory BSSID to null\n")); 2142172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID, NULL, 0); 2143172567Sthompsa } else { 2144172567Sthompsa DPRINTF(("Setting mandatory BSSID to %6D\n", bssid, ":")); 2145172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID, 2146172567Sthompsa bssid, IEEE80211_ADDR_LEN); 2147172567Sthompsa } 2148172567Sthompsa} 2149172567Sthompsa 2150172567Sthompsastatic int 2151172567Sthompsaipw_setssid(struct ipw_softc *sc, void *ssid, size_t ssidlen) 2152172567Sthompsa{ 2153172567Sthompsa if (ssidlen == 0) { 2154172567Sthompsa /* 2155172567Sthompsa * A bug in the firmware breaks the ``don't associate'' 2156172567Sthompsa * bit in the scan options command. To compensate for 2157172567Sthompsa * this install a bogus ssid when no ssid is specified 2158172567Sthompsa * so the firmware won't try to associate. 2159172567Sthompsa */ 2160172567Sthompsa DPRINTF(("Setting bogus ESSID to WAR firmware bug\n")); 2161172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_ESSID, 2162172567Sthompsa "\x18\x19\x20\x21\x22\x23\x24\x25\x26\x27" 2163172567Sthompsa "\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f\x30\x31" 2164172567Sthompsa "\x32\x33\x34\x35\x36\x37\x38\x39\x3a\x3b" 2165172567Sthompsa "\x3c\x3d", IEEE80211_NWID_LEN); 2166172567Sthompsa } else { 2167172567Sthompsa#ifdef IPW_DEBUG 2168172567Sthompsa if (ipw_debug > 0) { 2169172567Sthompsa printf("Setting ESSID to "); 2170172567Sthompsa ieee80211_print_essid(ssid, ssidlen); 2171172567Sthompsa printf("\n"); 2172172567Sthompsa } 2173172567Sthompsa#endif 2174172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_ESSID, ssid, ssidlen); 2175172567Sthompsa } 2176172567Sthompsa} 2177172567Sthompsa 2178172567Sthompsastatic int 2179172567Sthompsaipw_setscanopts(struct ipw_softc *sc, uint32_t chanmask, uint32_t flags) 2180172567Sthompsa{ 2181172567Sthompsa struct ipw_scan_options opts; 2182172567Sthompsa 2183172567Sthompsa DPRINTF(("Scan options: mask 0x%x flags 0x%x\n", chanmask, flags)); 2184172567Sthompsa opts.channels = htole32(chanmask); 2185172567Sthompsa opts.flags = htole32(flags); 2186172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_SCAN_OPTIONS, &opts, sizeof(opts)); 2187172567Sthompsa} 2188172567Sthompsa 2189172567Sthompsa/* 2190172567Sthompsa * Handler for sc_scan_task. This is a simple wrapper around ipw_scan(). 2191172567Sthompsa */ 2192172567Sthompsastatic void 2193172567Sthompsaipw_scan_task(void *context, int pending) 2194172567Sthompsa{ 2195172567Sthompsa struct ipw_softc *sc = context; 2196172567Sthompsa IPW_LOCK_DECL; 2197172567Sthompsa 2198172567Sthompsa IPW_LOCK(sc); 2199172567Sthompsa ipw_scan(sc); 2200172567Sthompsa IPW_UNLOCK(sc); 2201172567Sthompsa} 2202172567Sthompsa 2203172567Sthompsastatic int 2204172567Sthompsaipw_scan(struct ipw_softc *sc) 2205172567Sthompsa{ 2206172567Sthompsa uint32_t params; 2207172567Sthompsa int error; 2208172567Sthompsa 2209172567Sthompsa DPRINTF(("%s: flags 0x%x\n", __func__, sc->flags)); 2210172567Sthompsa 2211172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) 2212172567Sthompsa return (EBUSY); 2213172567Sthompsa sc->flags |= IPW_FLAG_SCANNING | IPW_FLAG_HACK; 2214172567Sthompsa 2215172567Sthompsa /* NB: IPW_SCAN_DO_NOT_ASSOCIATE does not work (we set it anyway) */ 2216172567Sthompsa error = ipw_setscanopts(sc, 0x3fff, IPW_SCAN_DO_NOT_ASSOCIATE); 2217172567Sthompsa if (error != 0) 2218172567Sthompsa goto done; 2219172567Sthompsa 2220172567Sthompsa /* 2221172567Sthompsa * Setup null/bogus ssid so firmware doesn't use any previous 2222172567Sthompsa * ssid to try and associate. This is because the ``don't 2223172567Sthompsa * associate'' option bit is broken (sigh). 2224172567Sthompsa */ 2225172567Sthompsa error = ipw_setssid(sc, NULL, 0); 2226172567Sthompsa if (error != 0) 2227172567Sthompsa goto done; 2228172567Sthompsa 2229172567Sthompsa /* 2230172567Sthompsa * NB: the adapter may be disabled on association lost; 2231172567Sthompsa * if so just re-enable it to kick off scanning. 2232172567Sthompsa */ 2233172567Sthompsa DPRINTF(("Starting scan\n")); 2234172567Sthompsa sc->sc_scan_timer = 3; 2235172567Sthompsa if (sc->flags & IPW_FLAG_ENABLED) { 2236172567Sthompsa params = 0; /* XXX? */ 2237172567Sthompsa error = ipw_cmd(sc, IPW_CMD_BROADCAST_SCAN, 2238172567Sthompsa ¶ms, sizeof(params)); 2239172567Sthompsa } else 2240172567Sthompsa error = ipw_enable(sc); 2241172567Sthompsadone: 2242172567Sthompsa if (error != 0) { 2243172567Sthompsa DPRINTF(("Scan failed\n")); 2244172567Sthompsa sc->flags &= ~(IPW_FLAG_SCANNING | IPW_FLAG_HACK); 2245172567Sthompsa } 2246172567Sthompsa return (error); 2247172567Sthompsa} 2248172567Sthompsa 2249172567Sthompsastatic int 2250172567Sthompsaipw_setchannel(struct ipw_softc *sc, struct ieee80211_channel *chan) 2251172567Sthompsa{ 2252178354Ssam struct ifnet *ifp = sc->sc_ifp; 2253178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2254172567Sthompsa uint32_t data; 2255172567Sthompsa int error; 2256172567Sthompsa 2257172567Sthompsa data = htole32(ieee80211_chan2ieee(ic, chan)); 2258172567Sthompsa DPRINTF(("Setting channel to %u\n", le32toh(data))); 2259172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_CHANNEL, &data, sizeof data); 2260172567Sthompsa if (error == 0) 2261172567Sthompsa ipw_setcurchan(sc, chan); 2262172567Sthompsa return error; 2263172567Sthompsa} 2264172567Sthompsa 2265178354Ssamstatic void 2266178354Ssamipw_assoc_task(void *context, int pending) 2267145247Sdamien{ 2268178354Ssam struct ieee80211vap *vap = context; 2269178354Ssam struct ifnet *ifp = vap->iv_ic->ic_ifp; 2270178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2271178354Ssam struct ipw_softc *sc = ifp->if_softc; 2272178354Ssam struct ieee80211_node *ni = vap->iv_bss; 2273145247Sdamien struct ipw_security security; 2274145247Sdamien uint32_t data; 2275172567Sthompsa int error; 2276178354Ssam IPW_LOCK_DECL; 2277145247Sdamien 2278178354Ssam IPW_LOCK(sc); 2279172567Sthompsa error = ipw_disable(sc); 2280172567Sthompsa if (error != 0) 2281178354Ssam goto done; 2282172567Sthompsa 2283152637Sdamien memset(&security, 0, sizeof security); 2284178354Ssam security.authmode = (ni->ni_authmode == IEEE80211_AUTH_SHARED) ? 2285145247Sdamien IPW_AUTH_SHARED : IPW_AUTH_OPEN; 2286145247Sdamien security.ciphers = htole32(IPW_CIPHER_NONE); 2287145247Sdamien DPRINTF(("Setting authmode to %u\n", security.authmode)); 2288172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_SECURITY_INFO, &security, 2289145247Sdamien sizeof security); 2290145247Sdamien if (error != 0) 2291178354Ssam goto done; 2292145247Sdamien 2293178354Ssam data = htole32(vap->iv_rtsthreshold); 2294178354Ssam DPRINTF(("Setting RTS threshold to %u\n", le32toh(data))); 2295178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_RTS_THRESHOLD, &data, sizeof data); 2296145247Sdamien if (error != 0) 2297178354Ssam goto done; 2298145247Sdamien 2299178354Ssam data = htole32(vap->iv_fragthreshold); 2300178354Ssam DPRINTF(("Setting frag threshold to %u\n", le32toh(data))); 2301178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_FRAG_THRESHOLD, &data, sizeof data); 2302145247Sdamien if (error != 0) 2303178354Ssam goto done; 2304145247Sdamien 2305178354Ssam if (vap->iv_flags & IEEE80211_F_PRIVACY) { 2306172567Sthompsa error = ipw_setwepkeys(sc); 2307172567Sthompsa if (error != 0) 2308178354Ssam goto done; 2309172567Sthompsa 2310178354Ssam if (vap->iv_def_txkey != IEEE80211_KEYIX_NONE) { 2311178354Ssam data = htole32(vap->iv_def_txkey); 2312172567Sthompsa DPRINTF(("Setting wep tx key index to %u\n", 2313172567Sthompsa le32toh(data))); 2314172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY_INDEX, &data, 2315172567Sthompsa sizeof data); 2316172567Sthompsa if (error != 0) 2317178354Ssam goto done; 2318172567Sthompsa } 2319172567Sthompsa } 2320172567Sthompsa 2321178354Ssam data = htole32((vap->iv_flags & IEEE80211_F_PRIVACY) ? IPW_WEPON : 0); 2322172567Sthompsa DPRINTF(("Setting wep flags to 0x%x\n", le32toh(data))); 2323172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_FLAGS, &data, sizeof data); 2324172567Sthompsa if (error != 0) 2325178354Ssam goto done; 2326172567Sthompsa 2327172567Sthompsa error = ipw_setssid(sc, ni->ni_essid, ni->ni_esslen); 2328172567Sthompsa if (error != 0) 2329178354Ssam goto done; 2330172567Sthompsa 2331172567Sthompsa error = ipw_setbssid(sc, ni->ni_bssid); 2332172567Sthompsa if (error != 0) 2333178354Ssam goto done; 2334172567Sthompsa 2335178354Ssam if (vap->iv_appie_assocreq != NULL) { 2336178354Ssam struct ieee80211_appie *ie = vap->iv_appie_assocreq; 2337178354Ssam error = ipw_setwpaie(sc, ie->ie_data, ie->ie_len); 2338172567Sthompsa if (error != 0) 2339178354Ssam goto done; 2340172567Sthompsa } 2341172567Sthompsa if (ic->ic_opmode == IEEE80211_M_IBSS) { 2342172567Sthompsa error = ipw_setchannel(sc, ni->ni_chan); 2343172567Sthompsa if (error != 0) 2344178354Ssam goto done; 2345172567Sthompsa } 2346172567Sthompsa 2347172567Sthompsa /* lock scan to ap's channel and enable associate */ 2348172567Sthompsa error = ipw_setscanopts(sc, 2349178354Ssam 1<<(ieee80211_chan2ieee(ic, ni->ni_chan)-1), 0); 2350178354Ssam if (error != 0) 2351178354Ssam goto done; 2352172567Sthompsa 2353178354Ssam error = ipw_enable(sc); /* finally, enable adapter */ 2354178354Ssam if (error == 0) 2355178354Ssam sc->flags |= IPW_FLAG_ASSOCIATING; 2356178354Ssamdone: 2357178354Ssam IPW_UNLOCK(sc); 2358172567Sthompsa} 2359172567Sthompsa 2360172567Sthompsastatic void 2361172567Sthompsaipw_disassoc_task(void *context, int pending) 2362172567Sthompsa{ 2363178354Ssam struct ieee80211vap *vap = context; 2364178354Ssam struct ifnet *ifp = vap->iv_ic->ic_ifp; 2365178354Ssam struct ieee80211_node *ni = vap->iv_bss; 2366178354Ssam struct ipw_softc *sc = ifp->if_softc; 2367172567Sthompsa IPW_LOCK_DECL; 2368172567Sthompsa 2369172567Sthompsa IPW_LOCK(sc); 2370172567Sthompsa DPRINTF(("Disassociate from %6D\n", ni->ni_bssid, ":")); 2371172567Sthompsa /* 2372172567Sthompsa * NB: don't try to do this if ipw_stop_master has 2373172567Sthompsa * shutdown the firmware and disabled interrupts. 2374172567Sthompsa */ 2375178354Ssam if (sc->flags & IPW_FLAG_FW_INITED) { 2376178354Ssam sc->flags &= ~IPW_FLAG_ASSOCIATED; 2377178354Ssam /* 2378178354Ssam * NB: firmware currently ignores bssid parameter, but 2379178354Ssam * supply it in case this changes (follow linux driver). 2380178354Ssam */ 2381178354Ssam (void) ipw_cmd(sc, IPW_CMD_DISASSOCIATE, 2382178354Ssam ni->ni_bssid, IEEE80211_ADDR_LEN); 2383178354Ssam } 2384178354Ssam IPW_UNLOCK(sc); 2385172567Sthompsa} 2386172567Sthompsa 2387172567Sthompsa/* 2388156599Sdamien * Handler for sc_init_task. This is a simple wrapper around ipw_init(). 2389156599Sdamien * It is called on firmware panics or on watchdog timeouts. 2390156599Sdamien */ 2391145247Sdamienstatic void 2392156599Sdamienipw_init_task(void *context, int pending) 2393156599Sdamien{ 2394156599Sdamien ipw_init(context); 2395156599Sdamien} 2396156599Sdamien 2397156599Sdamienstatic void 2398145247Sdamienipw_init(void *priv) 2399145247Sdamien{ 2400145247Sdamien struct ipw_softc *sc = priv; 2401178354Ssam struct ifnet *ifp = sc->sc_ifp; 2402178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2403172567Sthompsa IPW_LOCK_DECL; 2404172567Sthompsa 2405172567Sthompsa IPW_LOCK(sc); 2406178354Ssam ipw_init_locked(sc); 2407172567Sthompsa IPW_UNLOCK(sc); 2408178354Ssam 2409178931Sthompsa if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2410178931Sthompsa ieee80211_start_all(ic); /* start all vap's */ 2411172567Sthompsa} 2412172567Sthompsa 2413172567Sthompsastatic void 2414178354Ssamipw_init_locked(struct ipw_softc *sc) 2415172567Sthompsa{ 2416178354Ssam struct ifnet *ifp = sc->sc_ifp; 2417178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2418178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2419166756Sluigi const struct firmware *fp; 2420156599Sdamien const struct ipw_firmware_hdr *hdr; 2421178354Ssam const char *fw; 2422145247Sdamien 2423172567Sthompsa IPW_LOCK_ASSERT(sc); 2424156599Sdamien 2425172567Sthompsa DPRINTF(("%s: state %s flags 0x%x\n", __func__, 2426178354Ssam ieee80211_state_name[vap->iv_state], sc->flags)); 2427172567Sthompsa 2428156599Sdamien /* 2429156599Sdamien * Avoid re-entrant calls. We need to release the mutex in ipw_init() 2430156599Sdamien * when loading the firmware and we don't want to be called during this 2431156599Sdamien * operation. 2432156599Sdamien */ 2433172567Sthompsa if (sc->flags & IPW_FLAG_INIT_LOCKED) 2434145247Sdamien return; 2435156599Sdamien sc->flags |= IPW_FLAG_INIT_LOCKED; 2436145247Sdamien 2437172567Sthompsa ipw_stop_locked(sc); 2438145247Sdamien 2439145247Sdamien if (ipw_reset(sc) != 0) { 2440145247Sdamien device_printf(sc->sc_dev, "could not reset adapter\n"); 2441178354Ssam goto fail; 2442145247Sdamien } 2443145247Sdamien 2444159487Siedowse if (sc->sc_firmware == NULL) { 2445178354Ssam device_printf(sc->sc_dev, "no firmware\n"); 2446178354Ssam goto fail; 2447156599Sdamien } 2448178354Ssam /* NB: consistency already checked on load */ 2449159487Siedowse fp = sc->sc_firmware; 2450156599Sdamien hdr = (const struct ipw_firmware_hdr *)fp->data; 2451156599Sdamien 2452178354Ssam DPRINTF(("Loading firmware image '%s'\n", fp->name)); 2453156599Sdamien fw = (const char *)fp->data + sizeof *hdr + le32toh(hdr->mainsz); 2454156599Sdamien if (ipw_load_ucode(sc, fw, le32toh(hdr->ucodesz)) != 0) { 2455145247Sdamien device_printf(sc->sc_dev, "could not load microcode\n"); 2456178354Ssam goto fail; 2457145247Sdamien } 2458145247Sdamien 2459145247Sdamien ipw_stop_master(sc); 2460145247Sdamien 2461145247Sdamien /* 2462145247Sdamien * Setup tx, rx and status rings. 2463145247Sdamien */ 2464145247Sdamien sc->txold = IPW_NTBD - 1; 2465145247Sdamien sc->txcur = 0; 2466145247Sdamien sc->txfree = IPW_NTBD - 2; 2467145247Sdamien sc->rxcur = IPW_NRBD - 1; 2468145247Sdamien 2469145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_BASE, sc->tbd_phys); 2470145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_SIZE, IPW_NTBD); 2471145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_READ, 0); 2472145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 2473145247Sdamien 2474145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_BASE, sc->rbd_phys); 2475145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_SIZE, IPW_NRBD); 2476145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_READ, 0); 2477145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_WRITE, sc->rxcur); 2478145247Sdamien 2479145247Sdamien CSR_WRITE_4(sc, IPW_CSR_STATUS_BASE, sc->status_phys); 2480145247Sdamien 2481156599Sdamien fw = (const char *)fp->data + sizeof *hdr; 2482156599Sdamien if (ipw_load_firmware(sc, fw, le32toh(hdr->mainsz)) != 0) { 2483145247Sdamien device_printf(sc->sc_dev, "could not load firmware\n"); 2484178354Ssam goto fail; 2485145247Sdamien } 2486145247Sdamien 2487145247Sdamien sc->flags |= IPW_FLAG_FW_INITED; 2488145247Sdamien 2489145247Sdamien /* retrieve information tables base addresses */ 2490145247Sdamien sc->table1_base = CSR_READ_4(sc, IPW_CSR_TABLE1_BASE); 2491145247Sdamien sc->table2_base = CSR_READ_4(sc, IPW_CSR_TABLE2_BASE); 2492145247Sdamien 2493145247Sdamien ipw_write_table1(sc, IPW_INFO_LOCK, 0); 2494145247Sdamien 2495145247Sdamien if (ipw_config(sc) != 0) { 2496145247Sdamien device_printf(sc->sc_dev, "device configuration failed\n"); 2497178354Ssam goto fail; 2498145247Sdamien } 2499145247Sdamien 2500172567Sthompsa callout_reset(&sc->sc_wdtimer, hz, ipw_watchdog, sc); 2501148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2502148887Srwatson ifp->if_drv_flags |= IFF_DRV_RUNNING; 2503145247Sdamien 2504156599Sdamien sc->flags &=~ IPW_FLAG_INIT_LOCKED; 2505145247Sdamien return; 2506145247Sdamien 2507178354Ssamfail: 2508172567Sthompsa ipw_stop_locked(sc); 2509156599Sdamien sc->flags &=~ IPW_FLAG_INIT_LOCKED; 2510145247Sdamien} 2511145247Sdamien 2512178354Ssamstatic int 2513178354Ssamipw_config(struct ipw_softc *sc) 2514178354Ssam{ 2515178354Ssam struct ifnet *ifp = sc->sc_ifp; 2516178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2517178354Ssam struct ipw_configuration config; 2518178354Ssam uint32_t data; 2519178354Ssam int error; 2520178354Ssam 2521178354Ssam error = ipw_disable(sc); 2522178354Ssam if (error != 0) 2523178354Ssam return error; 2524178354Ssam 2525178354Ssam switch (ic->ic_opmode) { 2526178354Ssam case IEEE80211_M_STA: 2527178354Ssam case IEEE80211_M_HOSTAP: 2528178354Ssam case IEEE80211_M_WDS: /* XXX */ 2529178354Ssam data = htole32(IPW_MODE_BSS); 2530178354Ssam break; 2531178354Ssam case IEEE80211_M_IBSS: 2532178354Ssam case IEEE80211_M_AHDEMO: 2533178354Ssam data = htole32(IPW_MODE_IBSS); 2534178354Ssam break; 2535178354Ssam case IEEE80211_M_MONITOR: 2536178354Ssam data = htole32(IPW_MODE_MONITOR); 2537178354Ssam break; 2538178354Ssam } 2539178354Ssam DPRINTF(("Setting mode to %u\n", le32toh(data))); 2540178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_MODE, &data, sizeof data); 2541178354Ssam if (error != 0) 2542178354Ssam return error; 2543178354Ssam 2544178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS || 2545178354Ssam ic->ic_opmode == IEEE80211_M_MONITOR) { 2546178354Ssam error = ipw_setchannel(sc, ic->ic_curchan); 2547178354Ssam if (error != 0) 2548178354Ssam return error; 2549178354Ssam } 2550178354Ssam 2551178354Ssam if (ic->ic_opmode == IEEE80211_M_MONITOR) 2552178354Ssam return ipw_enable(sc); 2553178354Ssam 2554178354Ssam config.flags = htole32(IPW_CFG_BSS_MASK | IPW_CFG_IBSS_MASK | 2555178354Ssam IPW_CFG_PREAMBLE_AUTO | IPW_CFG_802_1x_ENABLE); 2556178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS) 2557178354Ssam config.flags |= htole32(IPW_CFG_IBSS_AUTO_START); 2558178354Ssam if (ifp->if_flags & IFF_PROMISC) 2559178354Ssam config.flags |= htole32(IPW_CFG_PROMISCUOUS); 2560178354Ssam config.bss_chan = htole32(0x3fff); /* channels 1-14 */ 2561178354Ssam config.ibss_chan = htole32(0x7ff); /* channels 1-11 */ 2562178354Ssam DPRINTF(("Setting configuration to 0x%x\n", le32toh(config.flags))); 2563178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_CONFIGURATION, &config, sizeof config); 2564178354Ssam if (error != 0) 2565178354Ssam return error; 2566178354Ssam 2567178354Ssam data = htole32(0x3); /* 1, 2 */ 2568178354Ssam DPRINTF(("Setting basic tx rates to 0x%x\n", le32toh(data))); 2569178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_BASIC_TX_RATES, &data, sizeof data); 2570178354Ssam if (error != 0) 2571178354Ssam return error; 2572178354Ssam 2573178354Ssam /* NB: use the same rate set */ 2574178354Ssam DPRINTF(("Setting msdu tx rates to 0x%x\n", le32toh(data))); 2575178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_MSDU_TX_RATES, &data, sizeof data); 2576178354Ssam if (error != 0) 2577178354Ssam return error; 2578178354Ssam 2579178354Ssam data = htole32(0xf); /* 1, 2, 5.5, 11 */ 2580178354Ssam DPRINTF(("Setting tx rates to 0x%x\n", le32toh(data))); 2581178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_TX_RATES, &data, sizeof data); 2582178354Ssam if (error != 0) 2583178354Ssam return error; 2584178354Ssam 2585178354Ssam data = htole32(IPW_POWER_MODE_CAM); 2586178354Ssam DPRINTF(("Setting power mode to %u\n", le32toh(data))); 2587178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_POWER_MODE, &data, sizeof data); 2588178354Ssam if (error != 0) 2589178354Ssam return error; 2590178354Ssam 2591178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS) { 2592178354Ssam data = htole32(32); /* default value */ 2593178354Ssam DPRINTF(("Setting tx power index to %u\n", le32toh(data))); 2594178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_TX_POWER_INDEX, &data, 2595178354Ssam sizeof data); 2596178354Ssam if (error != 0) 2597178354Ssam return error; 2598178354Ssam } 2599178354Ssam 2600178354Ssam return 0; 2601178354Ssam} 2602178354Ssam 2603145247Sdamienstatic void 2604145247Sdamienipw_stop(void *priv) 2605145247Sdamien{ 2606145247Sdamien struct ipw_softc *sc = priv; 2607172567Sthompsa IPW_LOCK_DECL; 2608172567Sthompsa 2609172567Sthompsa IPW_LOCK(sc); 2610172567Sthompsa ipw_stop_locked(sc); 2611172567Sthompsa IPW_UNLOCK(sc); 2612172567Sthompsa} 2613172567Sthompsa 2614172567Sthompsastatic void 2615172567Sthompsaipw_stop_locked(struct ipw_softc *sc) 2616172567Sthompsa{ 2617178354Ssam struct ifnet *ifp = sc->sc_ifp; 2618145247Sdamien int i; 2619145247Sdamien 2620172567Sthompsa IPW_LOCK_ASSERT(sc); 2621156599Sdamien 2622172567Sthompsa callout_stop(&sc->sc_wdtimer); 2623145247Sdamien ipw_stop_master(sc); 2624145247Sdamien 2625145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_SW_RESET); 2626145247Sdamien 2627145247Sdamien /* 2628145247Sdamien * Release tx buffers. 2629145247Sdamien */ 2630145247Sdamien for (i = 0; i < IPW_NTBD; i++) 2631145247Sdamien ipw_release_sbd(sc, &sc->stbd_list[i]); 2632145247Sdamien 2633145247Sdamien sc->sc_tx_timer = 0; 2634148887Srwatson ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 2635145247Sdamien} 2636145247Sdamien 2637145247Sdamienstatic int 2638145247Sdamienipw_sysctl_stats(SYSCTL_HANDLER_ARGS) 2639145247Sdamien{ 2640145247Sdamien struct ipw_softc *sc = arg1; 2641145247Sdamien uint32_t i, size, buf[256]; 2642145247Sdamien 2643174317Sphilip memset(buf, 0, sizeof buf); 2644174317Sphilip 2645174317Sphilip if (!(sc->flags & IPW_FLAG_FW_INITED)) 2646145247Sdamien return SYSCTL_OUT(req, buf, sizeof buf); 2647145247Sdamien 2648145247Sdamien CSR_WRITE_4(sc, IPW_CSR_AUTOINC_ADDR, sc->table1_base); 2649145247Sdamien 2650145247Sdamien size = min(CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA), 256); 2651145247Sdamien for (i = 1; i < size; i++) 2652145247Sdamien buf[i] = MEM_READ_4(sc, CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA)); 2653145247Sdamien 2654174317Sphilip return SYSCTL_OUT(req, buf, size); 2655145247Sdamien} 2656145247Sdamien 2657145247Sdamienstatic int 2658145247Sdamienipw_sysctl_radio(SYSCTL_HANDLER_ARGS) 2659145247Sdamien{ 2660145247Sdamien struct ipw_softc *sc = arg1; 2661145247Sdamien int val; 2662145247Sdamien 2663145247Sdamien val = !((sc->flags & IPW_FLAG_HAS_RADIO_SWITCH) && 2664145247Sdamien (CSR_READ_4(sc, IPW_CSR_IO) & IPW_IO_RADIO_DISABLED)); 2665145247Sdamien 2666145247Sdamien return SYSCTL_OUT(req, &val, sizeof val); 2667145247Sdamien} 2668145247Sdamien 2669145247Sdamienstatic uint32_t 2670145247Sdamienipw_read_table1(struct ipw_softc *sc, uint32_t off) 2671145247Sdamien{ 2672145247Sdamien return MEM_READ_4(sc, MEM_READ_4(sc, sc->table1_base + off)); 2673145247Sdamien} 2674145247Sdamien 2675145247Sdamienstatic void 2676145247Sdamienipw_write_table1(struct ipw_softc *sc, uint32_t off, uint32_t info) 2677145247Sdamien{ 2678145247Sdamien MEM_WRITE_4(sc, MEM_READ_4(sc, sc->table1_base + off), info); 2679145247Sdamien} 2680145247Sdamien 2681172567Sthompsa#if 0 2682145247Sdamienstatic int 2683145247Sdamienipw_read_table2(struct ipw_softc *sc, uint32_t off, void *buf, uint32_t *len) 2684145247Sdamien{ 2685145247Sdamien uint32_t addr, info; 2686145247Sdamien uint16_t count, size; 2687145247Sdamien uint32_t total; 2688145247Sdamien 2689145247Sdamien /* addr[4] + count[2] + size[2] */ 2690145247Sdamien addr = MEM_READ_4(sc, sc->table2_base + off); 2691145247Sdamien info = MEM_READ_4(sc, sc->table2_base + off + 4); 2692145247Sdamien 2693145247Sdamien count = info >> 16; 2694145247Sdamien size = info & 0xffff; 2695145247Sdamien total = count * size; 2696145247Sdamien 2697145247Sdamien if (total > *len) { 2698145247Sdamien *len = total; 2699145247Sdamien return EINVAL; 2700145247Sdamien } 2701145247Sdamien 2702145247Sdamien *len = total; 2703145247Sdamien ipw_read_mem_1(sc, addr, buf, total); 2704145247Sdamien 2705145247Sdamien return 0; 2706145247Sdamien} 2707145247Sdamien 2708145247Sdamienstatic void 2709145247Sdamienipw_read_mem_1(struct ipw_softc *sc, bus_size_t offset, uint8_t *datap, 2710145247Sdamien bus_size_t count) 2711145247Sdamien{ 2712145247Sdamien for (; count > 0; offset++, datap++, count--) { 2713145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INDIRECT_ADDR, offset & ~3); 2714145247Sdamien *datap = CSR_READ_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3)); 2715145247Sdamien } 2716145247Sdamien} 2717172567Sthompsa#endif 2718145247Sdamien 2719145247Sdamienstatic void 2720156599Sdamienipw_write_mem_1(struct ipw_softc *sc, bus_size_t offset, const uint8_t *datap, 2721145247Sdamien bus_size_t count) 2722145247Sdamien{ 2723145247Sdamien for (; count > 0; offset++, datap++, count--) { 2724145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INDIRECT_ADDR, offset & ~3); 2725145247Sdamien CSR_WRITE_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3), *datap); 2726145247Sdamien } 2727145247Sdamien} 2728172567Sthompsa 2729172567Sthompsastatic void 2730172567Sthompsaipw_scan_start(struct ieee80211com *ic) 2731172567Sthompsa{ 2732172567Sthompsa struct ifnet *ifp = ic->ic_ifp; 2733172567Sthompsa struct ipw_softc *sc = ifp->if_softc; 2734172567Sthompsa IPW_LOCK_DECL; 2735172567Sthompsa 2736172567Sthompsa IPW_LOCK(sc); 2737172567Sthompsa if (!(sc->flags & IPW_FLAG_SCANNING)) 2738178354Ssam taskqueue_enqueue(taskqueue_swi, &sc->sc_scan_task); 2739172567Sthompsa IPW_UNLOCK(sc); 2740172567Sthompsa} 2741172567Sthompsa 2742172567Sthompsastatic void 2743172567Sthompsaipw_set_channel(struct ieee80211com *ic) 2744172567Sthompsa{ 2745172567Sthompsa struct ifnet *ifp = ic->ic_ifp; 2746172567Sthompsa struct ipw_softc *sc = ifp->if_softc; 2747172567Sthompsa IPW_LOCK_DECL; 2748172567Sthompsa 2749172567Sthompsa IPW_LOCK(sc); 2750172567Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 2751172567Sthompsa ipw_disable(sc); 2752172567Sthompsa ipw_setchannel(sc, ic->ic_curchan); 2753172567Sthompsa ipw_enable(sc); 2754172567Sthompsa } 2755172567Sthompsa IPW_UNLOCK(sc); 2756172567Sthompsa} 2757172567Sthompsa 2758172567Sthompsastatic void 2759178354Ssamipw_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 2760172567Sthompsa{ 2761172567Sthompsa /* NB: all channels are scanned at once */ 2762172567Sthompsa} 2763172567Sthompsa 2764172567Sthompsastatic void 2765178354Ssamipw_scan_mindwell(struct ieee80211_scan_state *ss) 2766172567Sthompsa{ 2767172567Sthompsa /* NB: don't try to abort scan; wait for firmware to finish */ 2768172567Sthompsa} 2769172567Sthompsa 2770172567Sthompsastatic void 2771172567Sthompsaipw_scan_end(struct ieee80211com *ic) 2772172567Sthompsa{ 2773172567Sthompsa struct ifnet *ifp = ic->ic_ifp; 2774172567Sthompsa struct ipw_softc *sc = ifp->if_softc; 2775172567Sthompsa IPW_LOCK_DECL; 2776172567Sthompsa 2777172567Sthompsa IPW_LOCK(sc); 2778172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 2779172567Sthompsa IPW_UNLOCK(sc); 2780172567Sthompsa} 2781