if_ipw.c revision 172574
1145247Sdamien/* $FreeBSD: head/sys/dev/ipw/if_ipw.c 172574 2007-10-12 10:00:26Z thompsa $ */ 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 172574 2007-10-12 10:00:26Z thompsa $"); 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 110145247Sdamienstatic int ipw_dma_alloc(struct ipw_softc *); 111145247Sdamienstatic void ipw_release(struct ipw_softc *); 112145247Sdamienstatic int ipw_media_change(struct ifnet *); 113145247Sdamienstatic void ipw_media_status(struct ifnet *, struct ifmediareq *); 114145247Sdamienstatic int ipw_newstate(struct ieee80211com *, enum ieee80211_state, int); 115145247Sdamienstatic uint16_t ipw_read_prom_word(struct ipw_softc *, uint8_t); 116172567Sthompsastatic void ipw_rx_cmd_intr(struct ipw_softc *, struct ipw_soft_buf *); 117172567Sthompsastatic void ipw_rx_newstate_intr(struct ipw_softc *, struct ipw_soft_buf *); 118172567Sthompsastatic void ipw_rx_data_intr(struct ipw_softc *, struct ipw_status *, 119145247Sdamien struct ipw_soft_bd *, struct ipw_soft_buf *); 120145247Sdamienstatic void ipw_rx_intr(struct ipw_softc *); 121145247Sdamienstatic void ipw_release_sbd(struct ipw_softc *, struct ipw_soft_bd *); 122145247Sdamienstatic void ipw_tx_intr(struct ipw_softc *); 123145247Sdamienstatic void ipw_intr(void *); 124145247Sdamienstatic void ipw_dma_map_addr(void *, bus_dma_segment_t *, int, int); 125172567Sthompsastatic const char * ipw_cmdname(int); 126145247Sdamienstatic int ipw_cmd(struct ipw_softc *, uint32_t, void *, uint32_t); 127145247Sdamienstatic int ipw_tx_start(struct ifnet *, struct mbuf *, 128145247Sdamien struct ieee80211_node *); 129145247Sdamienstatic void ipw_start(struct ifnet *); 130172567Sthompsastatic void ipw_start_locked(struct ifnet *); 131172567Sthompsastatic void ipw_watchdog(void *); 132145247Sdamienstatic int ipw_ioctl(struct ifnet *, u_long, caddr_t); 133145247Sdamienstatic void ipw_stop_master(struct ipw_softc *); 134172567Sthompsastatic int ipw_enable(struct ipw_softc *); 135172567Sthompsastatic int ipw_disable(struct ipw_softc *); 136145247Sdamienstatic int ipw_reset(struct ipw_softc *); 137156599Sdamienstatic int ipw_load_ucode(struct ipw_softc *, const char *, int); 138156599Sdamienstatic int ipw_load_firmware(struct ipw_softc *, const char *, int); 139145247Sdamienstatic int ipw_config(struct ipw_softc *); 140172567Sthompsastatic void ipw_assoc_task(void *, int); 141172567Sthompsastatic int ipw_auth_and_assoc(struct ipw_softc *); 142172567Sthompsastatic void ipw_disassoc_task(void *, int); 143172567Sthompsastatic int ipw_disassociate(struct ipw_softc *); 144156599Sdamienstatic void ipw_init_task(void *, int); 145145247Sdamienstatic void ipw_init(void *); 146172567Sthompsastatic void ipw_init_locked(struct ipw_softc *, int); 147145247Sdamienstatic void ipw_stop(void *); 148172567Sthompsastatic void ipw_stop_locked(struct ipw_softc *); 149145247Sdamienstatic int ipw_sysctl_stats(SYSCTL_HANDLER_ARGS); 150145247Sdamienstatic int ipw_sysctl_radio(SYSCTL_HANDLER_ARGS); 151145247Sdamienstatic uint32_t ipw_read_table1(struct ipw_softc *, uint32_t); 152145247Sdamienstatic void ipw_write_table1(struct ipw_softc *, uint32_t, uint32_t); 153172567Sthompsa#if 0 154145247Sdamienstatic int ipw_read_table2(struct ipw_softc *, uint32_t, void *, 155145247Sdamien uint32_t *); 156145247Sdamienstatic void ipw_read_mem_1(struct ipw_softc *, bus_size_t, uint8_t *, 157145247Sdamien bus_size_t); 158172567Sthompsa#endif 159156599Sdamienstatic void ipw_write_mem_1(struct ipw_softc *, bus_size_t, 160156599Sdamien const uint8_t *, bus_size_t); 161172567Sthompsastatic void ipw_scan_task(void *, int); 162172567Sthompsastatic int ipw_scan(struct ipw_softc *); 163172567Sthompsastatic void ipw_scan_start(struct ieee80211com *); 164172567Sthompsastatic void ipw_scan_end(struct ieee80211com *); 165172567Sthompsastatic void ipw_set_channel(struct ieee80211com *); 166172567Sthompsastatic void ipw_scan_curchan(struct ieee80211com *, unsigned long maxdwell); 167172567Sthompsastatic void ipw_scan_mindwell(struct ieee80211com *); 168145247Sdamien 169145247Sdamienstatic int ipw_probe(device_t); 170145247Sdamienstatic int ipw_attach(device_t); 171145247Sdamienstatic int ipw_detach(device_t); 172145247Sdamienstatic int ipw_shutdown(device_t); 173145247Sdamienstatic int ipw_suspend(device_t); 174145247Sdamienstatic int ipw_resume(device_t); 175145247Sdamien 176145247Sdamienstatic device_method_t ipw_methods[] = { 177145247Sdamien /* Device interface */ 178145247Sdamien DEVMETHOD(device_probe, ipw_probe), 179145247Sdamien DEVMETHOD(device_attach, ipw_attach), 180145247Sdamien DEVMETHOD(device_detach, ipw_detach), 181145247Sdamien DEVMETHOD(device_shutdown, ipw_shutdown), 182145247Sdamien DEVMETHOD(device_suspend, ipw_suspend), 183145247Sdamien DEVMETHOD(device_resume, ipw_resume), 184145247Sdamien 185145247Sdamien { 0, 0 } 186145247Sdamien}; 187145247Sdamien 188145247Sdamienstatic driver_t ipw_driver = { 189145247Sdamien "ipw", 190145247Sdamien ipw_methods, 191145247Sdamien sizeof (struct ipw_softc) 192145247Sdamien}; 193145247Sdamien 194145247Sdamienstatic devclass_t ipw_devclass; 195145247Sdamien 196145247SdamienDRIVER_MODULE(ipw, pci, ipw_driver, ipw_devclass, 0, 0); 197172567SthompsaDRIVER_MODULE(ipw, cardbus, ipw_driver, ipw_devclass, 0, 0); 198145247Sdamien 199145247Sdamienstatic int 200145247Sdamienipw_probe(device_t dev) 201145247Sdamien{ 202145247Sdamien const struct ipw_ident *ident; 203145247Sdamien 204145247Sdamien for (ident = ipw_ident_table; ident->name != NULL; ident++) { 205145247Sdamien if (pci_get_vendor(dev) == ident->vendor && 206145247Sdamien pci_get_device(dev) == ident->device) { 207145247Sdamien device_set_desc(dev, ident->name); 208145247Sdamien return 0; 209145247Sdamien } 210145247Sdamien } 211145247Sdamien return ENXIO; 212145247Sdamien} 213145247Sdamien 214145247Sdamien/* Base Address Register */ 215145247Sdamien#define IPW_PCI_BAR0 0x10 216145247Sdamien 217145247Sdamienstatic int 218145247Sdamienipw_attach(device_t dev) 219145247Sdamien{ 220145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 221147256Sbrooks struct ifnet *ifp; 222145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 223170530Ssam struct ieee80211_channel *c; 224145247Sdamien uint16_t val; 225145247Sdamien int error, i; 226145247Sdamien 227145247Sdamien sc->sc_dev = dev; 228145247Sdamien 229145247Sdamien mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 230145247Sdamien MTX_DEF | MTX_RECURSE); 231145247Sdamien 232156599Sdamien TASK_INIT(&sc->sc_init_task, 0, ipw_init_task, sc); 233172567Sthompsa TASK_INIT(&sc->sc_scan_task, 0, ipw_scan_task, sc); 234172567Sthompsa TASK_INIT(&sc->sc_assoc_task, 0, ipw_assoc_task, sc); 235172567Sthompsa TASK_INIT(&sc->sc_disassoc_task, 0, ipw_disassoc_task, sc); 236172567Sthompsa callout_init_mtx(&sc->sc_wdtimer, &sc->sc_mtx, 0); 237156599Sdamien 238145247Sdamien if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) { 239145247Sdamien device_printf(dev, "chip is in D%d power mode " 240145247Sdamien "-- setting to D0\n", pci_get_powerstate(dev)); 241145247Sdamien pci_set_powerstate(dev, PCI_POWERSTATE_D0); 242145247Sdamien } 243145247Sdamien 244146498Sdamien pci_write_config(dev, 0x41, 0, 1); 245146498Sdamien 246145247Sdamien /* enable bus-mastering */ 247145247Sdamien pci_enable_busmaster(dev); 248145247Sdamien 249145247Sdamien sc->mem_rid = IPW_PCI_BAR0; 250145247Sdamien sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid, 251145247Sdamien RF_ACTIVE); 252145247Sdamien if (sc->mem == NULL) { 253145247Sdamien device_printf(dev, "could not allocate memory resource\n"); 254145247Sdamien goto fail; 255145247Sdamien } 256145247Sdamien 257145247Sdamien sc->sc_st = rman_get_bustag(sc->mem); 258145247Sdamien sc->sc_sh = rman_get_bushandle(sc->mem); 259145247Sdamien 260145247Sdamien sc->irq_rid = 0; 261145247Sdamien sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, 262145247Sdamien RF_ACTIVE | RF_SHAREABLE); 263145247Sdamien if (sc->irq == NULL) { 264145247Sdamien device_printf(dev, "could not allocate interrupt resource\n"); 265145247Sdamien goto fail; 266145247Sdamien } 267145247Sdamien 268145247Sdamien if (ipw_reset(sc) != 0) { 269145247Sdamien device_printf(dev, "could not reset adapter\n"); 270145247Sdamien goto fail; 271145247Sdamien } 272145247Sdamien 273145247Sdamien if (ipw_dma_alloc(sc) != 0) { 274145247Sdamien device_printf(dev, "could not allocate DMA resources\n"); 275145247Sdamien goto fail; 276145247Sdamien } 277147757Sdamien 278147256Sbrooks ifp = sc->sc_ifp = if_alloc(IFT_ETHER); 279147256Sbrooks if (ifp == NULL) { 280147256Sbrooks device_printf(dev, "can not if_alloc()\n"); 281147256Sbrooks goto fail; 282147256Sbrooks } 283147757Sdamien 284145247Sdamien ifp->if_softc = sc; 285145247Sdamien if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 286145247Sdamien ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 287145247Sdamien ifp->if_init = ipw_init; 288145247Sdamien ifp->if_ioctl = ipw_ioctl; 289145247Sdamien ifp->if_start = ipw_start; 290145247Sdamien IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 291145247Sdamien ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN; 292145247Sdamien IFQ_SET_READY(&ifp->if_snd); 293145247Sdamien 294145247Sdamien ic->ic_ifp = ifp; 295145247Sdamien ic->ic_phytype = IEEE80211_T_DS; 296145247Sdamien ic->ic_opmode = IEEE80211_M_STA; 297145247Sdamien ic->ic_state = IEEE80211_S_INIT; 298145247Sdamien 299145247Sdamien /* set device capabilities */ 300172567Sthompsa ic->ic_caps = IEEE80211_C_IBSS /* IBSS mode supported */ 301172567Sthompsa | IEEE80211_C_MONITOR /* monitor mode supported */ 302172567Sthompsa | IEEE80211_C_PMGT /* power save supported */ 303172567Sthompsa | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 304172567Sthompsa | IEEE80211_C_WPA /* 802.11i supported */ 305172567Sthompsa ; 306145247Sdamien 307145247Sdamien /* read MAC address from EEPROM */ 308145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 0); 309145247Sdamien ic->ic_myaddr[0] = val >> 8; 310145247Sdamien ic->ic_myaddr[1] = val & 0xff; 311145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 1); 312145247Sdamien ic->ic_myaddr[2] = val >> 8; 313145247Sdamien ic->ic_myaddr[3] = val & 0xff; 314145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 2); 315145247Sdamien ic->ic_myaddr[4] = val >> 8; 316145247Sdamien ic->ic_myaddr[5] = val & 0xff; 317145247Sdamien 318170530Ssam /* set supported .11b channels (read from EEPROM) */ 319170530Ssam if ((val = ipw_read_prom_word(sc, IPW_EEPROM_CHANNEL_LIST)) == 0) 320170530Ssam val = 0x7ff; /* default to channels 1-11 */ 321170530Ssam val <<= 1; 322170530Ssam for (i = 1; i < 16; i++) { 323170530Ssam if (val & (1 << i)) { 324170530Ssam c = &ic->ic_channels[ic->ic_nchans++]; 325170530Ssam c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 326170530Ssam c->ic_flags = IEEE80211_CHAN_B; 327170530Ssam c->ic_ieee = i; 328170530Ssam } 329145247Sdamien } 330145247Sdamien 331145247Sdamien /* check support for radio transmitter switch in EEPROM */ 332145247Sdamien if (!(ipw_read_prom_word(sc, IPW_EEPROM_RADIO) & 8)) 333145247Sdamien sc->flags |= IPW_FLAG_HAS_RADIO_SWITCH; 334145247Sdamien 335145247Sdamien ieee80211_ifattach(ic); 336145247Sdamien /* override state transition machine */ 337145247Sdamien sc->sc_newstate = ic->ic_newstate; 338145247Sdamien ic->ic_newstate = ipw_newstate; 339145247Sdamien ieee80211_media_init(ic, ipw_media_change, ipw_media_status); 340145247Sdamien 341172567Sthompsa ic->ic_scan_start = ipw_scan_start; 342172567Sthompsa ic->ic_scan_end = ipw_scan_end; 343172567Sthompsa ic->ic_set_channel = ipw_set_channel; 344172567Sthompsa ic->ic_scan_curchan = ipw_scan_curchan; 345172567Sthompsa ic->ic_scan_mindwell = ipw_scan_mindwell; 346172567Sthompsa 347145247Sdamien bpfattach2(ifp, DLT_IEEE802_11_RADIO, 348172567Sthompsa sizeof (struct ieee80211_frame) + sizeof (sc->sc_txtap), 349171086Skevlo &sc->sc_drvbpf); 350145247Sdamien 351171086Skevlo sc->sc_rxtap_len = sizeof sc->sc_rxtap; 352145247Sdamien sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 353145247Sdamien sc->sc_rxtap.wr_ihdr.it_present = htole32(IPW_RX_RADIOTAP_PRESENT); 354145247Sdamien 355171086Skevlo sc->sc_txtap_len = sizeof sc->sc_txtap; 356145247Sdamien sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 357145247Sdamien sc->sc_txtap.wt_ihdr.it_present = htole32(IPW_TX_RADIOTAP_PRESENT); 358145247Sdamien 359145247Sdamien /* 360145247Sdamien * Add a few sysctl knobs. 361145247Sdamien */ 362145247Sdamien sc->dwelltime = 100; 363145247Sdamien 364145247Sdamien SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 365145247Sdamien SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "radio", 366145247Sdamien CTLTYPE_INT | CTLFLAG_RD, sc, 0, ipw_sysctl_radio, "I", 367145247Sdamien "radio transmitter switch state (0=off, 1=on)"); 368145247Sdamien 369145247Sdamien SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 370145247Sdamien SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "stats", 371145247Sdamien CTLTYPE_OPAQUE | CTLFLAG_RD, sc, 0, ipw_sysctl_stats, "S", 372145247Sdamien "statistics"); 373145247Sdamien 374145247Sdamien SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), 375145247Sdamien SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "dwell", 376145247Sdamien CTLFLAG_RW, &sc->dwelltime, 0, 377145247Sdamien "channel dwell time (ms) for AP/station scanning"); 378145247Sdamien 379145247Sdamien /* 380145247Sdamien * Hook our interrupt after all initialization is complete. 381145247Sdamien */ 382145247Sdamien error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 383166901Spiso NULL, ipw_intr, sc, &sc->sc_ih); 384145247Sdamien if (error != 0) { 385145247Sdamien device_printf(dev, "could not set up interrupt\n"); 386145247Sdamien goto fail; 387145247Sdamien } 388145247Sdamien 389145247Sdamien if (bootverbose) 390145247Sdamien ieee80211_announce(ic); 391145247Sdamien 392145247Sdamien return 0; 393145247Sdamien 394145247Sdamienfail: ipw_detach(dev); 395145247Sdamien return ENXIO; 396145247Sdamien} 397145247Sdamien 398145247Sdamienstatic int 399145247Sdamienipw_detach(device_t dev) 400145247Sdamien{ 401145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 402145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 403145247Sdamien struct ifnet *ifp = ic->ic_ifp; 404145247Sdamien 405145247Sdamien ipw_stop(sc); 406172567Sthompsa callout_drain(&sc->sc_wdtimer); 407172567Sthompsa taskqueue_drain(taskqueue_fast, &sc->sc_init_task); 408172567Sthompsa taskqueue_drain(taskqueue_fast, &sc->sc_scan_task); 409172567Sthompsa taskqueue_drain(taskqueue_fast, &sc->sc_assoc_task); 410172567Sthompsa taskqueue_drain(taskqueue_fast, &sc->sc_disassoc_task); 411145247Sdamien 412147757Sdamien if (ifp != NULL) { 413147256Sbrooks bpfdetach(ifp); 414147757Sdamien ieee80211_ifdetach(ic); 415147757Sdamien } 416145247Sdamien 417145247Sdamien ipw_release(sc); 418145247Sdamien 419145247Sdamien if (sc->irq != NULL) { 420145247Sdamien bus_teardown_intr(dev, sc->irq, sc->sc_ih); 421145247Sdamien bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq); 422145247Sdamien } 423145247Sdamien 424145247Sdamien if (sc->mem != NULL) 425145247Sdamien bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem); 426156599Sdamien 427150306Simp if (ifp != NULL) 428150306Simp if_free(ifp); 429145247Sdamien 430159487Siedowse if (sc->sc_firmware != NULL) { 431159487Siedowse firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 432159487Siedowse sc->sc_firmware = NULL; 433159487Siedowse } 434159487Siedowse 435145247Sdamien mtx_destroy(&sc->sc_mtx); 436145247Sdamien 437145247Sdamien return 0; 438145247Sdamien} 439145247Sdamien 440145247Sdamienstatic int 441145247Sdamienipw_dma_alloc(struct ipw_softc *sc) 442145247Sdamien{ 443145247Sdamien struct ipw_soft_bd *sbd; 444145247Sdamien struct ipw_soft_hdr *shdr; 445145247Sdamien struct ipw_soft_buf *sbuf; 446145247Sdamien bus_addr_t physaddr; 447145247Sdamien int error, i; 448145247Sdamien 449145247Sdamien /* 450145247Sdamien * Allocate and map tx ring. 451145247Sdamien */ 452145247Sdamien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 453145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_TBD_SZ, 1, IPW_TBD_SZ, 0, NULL, 454145247Sdamien NULL, &sc->tbd_dmat); 455145247Sdamien if (error != 0) { 456145247Sdamien device_printf(sc->sc_dev, "could not create tx ring DMA tag\n"); 457145247Sdamien goto fail; 458145247Sdamien } 459145247Sdamien 460145247Sdamien error = bus_dmamem_alloc(sc->tbd_dmat, (void **)&sc->tbd_list, 461145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->tbd_map); 462145247Sdamien if (error != 0) { 463145247Sdamien device_printf(sc->sc_dev, 464145247Sdamien "could not allocate tx ring DMA memory\n"); 465145247Sdamien goto fail; 466145247Sdamien } 467145247Sdamien 468145247Sdamien error = bus_dmamap_load(sc->tbd_dmat, sc->tbd_map, sc->tbd_list, 469145247Sdamien IPW_TBD_SZ, ipw_dma_map_addr, &sc->tbd_phys, 0); 470145247Sdamien if (error != 0) { 471145247Sdamien device_printf(sc->sc_dev, "could not map tx ring DMA memory\n"); 472145247Sdamien goto fail; 473145247Sdamien } 474145247Sdamien 475145247Sdamien /* 476145247Sdamien * Allocate and map rx ring. 477145247Sdamien */ 478145247Sdamien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 479145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_RBD_SZ, 1, IPW_RBD_SZ, 0, NULL, 480145247Sdamien NULL, &sc->rbd_dmat); 481145247Sdamien if (error != 0) { 482145247Sdamien device_printf(sc->sc_dev, "could not create rx ring DMA tag\n"); 483145247Sdamien goto fail; 484145247Sdamien } 485145247Sdamien 486145247Sdamien error = bus_dmamem_alloc(sc->rbd_dmat, (void **)&sc->rbd_list, 487145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->rbd_map); 488145247Sdamien if (error != 0) { 489145247Sdamien device_printf(sc->sc_dev, 490145247Sdamien "could not allocate rx ring DMA memory\n"); 491145247Sdamien goto fail; 492145247Sdamien } 493145247Sdamien 494145247Sdamien error = bus_dmamap_load(sc->rbd_dmat, sc->rbd_map, sc->rbd_list, 495145247Sdamien IPW_RBD_SZ, ipw_dma_map_addr, &sc->rbd_phys, 0); 496145247Sdamien if (error != 0) { 497145247Sdamien device_printf(sc->sc_dev, "could not map rx ring DMA memory\n"); 498145247Sdamien goto fail; 499145247Sdamien } 500145247Sdamien 501145247Sdamien /* 502145247Sdamien * Allocate and map status ring. 503145247Sdamien */ 504145247Sdamien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 505145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_STATUS_SZ, 1, IPW_STATUS_SZ, 0, 506145247Sdamien NULL, NULL, &sc->status_dmat); 507145247Sdamien if (error != 0) { 508145247Sdamien device_printf(sc->sc_dev, 509145247Sdamien "could not create status ring DMA tag\n"); 510145247Sdamien goto fail; 511145247Sdamien } 512145247Sdamien 513145247Sdamien error = bus_dmamem_alloc(sc->status_dmat, (void **)&sc->status_list, 514145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->status_map); 515145247Sdamien if (error != 0) { 516145247Sdamien device_printf(sc->sc_dev, 517145247Sdamien "could not allocate status ring DMA memory\n"); 518145247Sdamien goto fail; 519145247Sdamien } 520145247Sdamien 521145247Sdamien error = bus_dmamap_load(sc->status_dmat, sc->status_map, 522145247Sdamien sc->status_list, IPW_STATUS_SZ, ipw_dma_map_addr, &sc->status_phys, 523145247Sdamien 0); 524145247Sdamien if (error != 0) { 525145247Sdamien device_printf(sc->sc_dev, 526145247Sdamien "could not map status ring DMA memory\n"); 527145247Sdamien goto fail; 528145247Sdamien } 529145247Sdamien 530145247Sdamien /* 531145247Sdamien * Allocate command DMA map. 532145247Sdamien */ 533145247Sdamien error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT, 534145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, sizeof (struct ipw_cmd), 1, 535145247Sdamien sizeof (struct ipw_cmd), 0, NULL, NULL, &sc->cmd_dmat); 536145247Sdamien if (error != 0) { 537145247Sdamien device_printf(sc->sc_dev, "could not create command DMA tag\n"); 538145247Sdamien goto fail; 539145247Sdamien } 540145247Sdamien 541145247Sdamien error = bus_dmamap_create(sc->cmd_dmat, 0, &sc->cmd_map); 542145247Sdamien if (error != 0) { 543145247Sdamien device_printf(sc->sc_dev, 544145247Sdamien "could not create command DMA map\n"); 545145247Sdamien goto fail; 546145247Sdamien } 547145247Sdamien 548145247Sdamien /* 549145247Sdamien * Allocate headers DMA maps. 550145247Sdamien */ 551145247Sdamien error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT, 552145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, sizeof (struct ipw_hdr), 1, 553145247Sdamien sizeof (struct ipw_hdr), 0, NULL, NULL, &sc->hdr_dmat); 554145247Sdamien if (error != 0) { 555145247Sdamien device_printf(sc->sc_dev, "could not create header DMA tag\n"); 556145247Sdamien goto fail; 557145247Sdamien } 558145247Sdamien 559145247Sdamien SLIST_INIT(&sc->free_shdr); 560145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 561145247Sdamien shdr = &sc->shdr_list[i]; 562145247Sdamien error = bus_dmamap_create(sc->hdr_dmat, 0, &shdr->map); 563145247Sdamien if (error != 0) { 564145247Sdamien device_printf(sc->sc_dev, 565145247Sdamien "could not create header DMA map\n"); 566145247Sdamien goto fail; 567145247Sdamien } 568145247Sdamien SLIST_INSERT_HEAD(&sc->free_shdr, shdr, next); 569145247Sdamien } 570145247Sdamien 571145247Sdamien /* 572145247Sdamien * Allocate tx buffers DMA maps. 573145247Sdamien */ 574145247Sdamien error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT, 575145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, IPW_MAX_NSEG, MCLBYTES, 0, 576145247Sdamien NULL, NULL, &sc->txbuf_dmat); 577145247Sdamien if (error != 0) { 578145247Sdamien device_printf(sc->sc_dev, "could not create tx DMA tag\n"); 579145247Sdamien goto fail; 580145247Sdamien } 581145247Sdamien 582145247Sdamien SLIST_INIT(&sc->free_sbuf); 583145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 584145247Sdamien sbuf = &sc->tx_sbuf_list[i]; 585145247Sdamien error = bus_dmamap_create(sc->txbuf_dmat, 0, &sbuf->map); 586145247Sdamien if (error != 0) { 587145247Sdamien device_printf(sc->sc_dev, 588145247Sdamien "could not create tx DMA map\n"); 589145247Sdamien goto fail; 590145247Sdamien } 591145247Sdamien SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next); 592145247Sdamien } 593145247Sdamien 594145247Sdamien /* 595145247Sdamien * Initialize tx ring. 596145247Sdamien */ 597145247Sdamien for (i = 0; i < IPW_NTBD; i++) { 598145247Sdamien sbd = &sc->stbd_list[i]; 599145247Sdamien sbd->bd = &sc->tbd_list[i]; 600145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 601145247Sdamien } 602145247Sdamien 603145247Sdamien /* 604145247Sdamien * Pre-allocate rx buffers and DMA maps. 605145247Sdamien */ 606145247Sdamien error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT, 607147841Sdamien BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1, MCLBYTES, 0, NULL, 608147841Sdamien NULL, &sc->rxbuf_dmat); 609145247Sdamien if (error != 0) { 610145247Sdamien device_printf(sc->sc_dev, "could not create rx DMA tag\n"); 611145247Sdamien goto fail; 612145247Sdamien } 613145247Sdamien 614145247Sdamien for (i = 0; i < IPW_NRBD; i++) { 615145247Sdamien sbd = &sc->srbd_list[i]; 616145247Sdamien sbuf = &sc->rx_sbuf_list[i]; 617145247Sdamien sbd->bd = &sc->rbd_list[i]; 618145247Sdamien 619145247Sdamien sbuf->m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 620145247Sdamien if (sbuf->m == NULL) { 621145247Sdamien device_printf(sc->sc_dev, 622145247Sdamien "could not allocate rx mbuf\n"); 623145247Sdamien error = ENOMEM; 624145247Sdamien goto fail; 625145247Sdamien } 626145247Sdamien 627145247Sdamien error = bus_dmamap_create(sc->rxbuf_dmat, 0, &sbuf->map); 628145247Sdamien if (error != 0) { 629145247Sdamien device_printf(sc->sc_dev, 630145247Sdamien "could not create rx DMA map\n"); 631145247Sdamien goto fail; 632145247Sdamien } 633145247Sdamien 634145247Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, 635145247Sdamien mtod(sbuf->m, void *), MCLBYTES, ipw_dma_map_addr, 636145247Sdamien &physaddr, 0); 637145247Sdamien if (error != 0) { 638145247Sdamien device_printf(sc->sc_dev, 639145247Sdamien "could not map rx DMA memory\n"); 640145247Sdamien goto fail; 641145247Sdamien } 642145247Sdamien 643145247Sdamien sbd->type = IPW_SBD_TYPE_DATA; 644145247Sdamien sbd->priv = sbuf; 645145247Sdamien sbd->bd->physaddr = htole32(physaddr); 646145247Sdamien sbd->bd->len = htole32(MCLBYTES); 647145247Sdamien } 648145247Sdamien 649145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 650145247Sdamien 651145247Sdamien return 0; 652145247Sdamien 653145247Sdamienfail: ipw_release(sc); 654145247Sdamien return error; 655145247Sdamien} 656145247Sdamien 657145247Sdamienstatic void 658145247Sdamienipw_release(struct ipw_softc *sc) 659145247Sdamien{ 660145247Sdamien struct ipw_soft_buf *sbuf; 661145247Sdamien int i; 662145247Sdamien 663145247Sdamien if (sc->tbd_dmat != NULL) { 664145247Sdamien if (sc->stbd_list != NULL) { 665145247Sdamien bus_dmamap_unload(sc->tbd_dmat, sc->tbd_map); 666145247Sdamien bus_dmamem_free(sc->tbd_dmat, sc->tbd_list, 667145247Sdamien sc->tbd_map); 668145247Sdamien } 669145247Sdamien bus_dma_tag_destroy(sc->tbd_dmat); 670145247Sdamien } 671145247Sdamien 672145247Sdamien if (sc->rbd_dmat != NULL) { 673145247Sdamien if (sc->rbd_list != NULL) { 674145247Sdamien bus_dmamap_unload(sc->rbd_dmat, sc->rbd_map); 675145247Sdamien bus_dmamem_free(sc->rbd_dmat, sc->rbd_list, 676145247Sdamien sc->rbd_map); 677145247Sdamien } 678145247Sdamien bus_dma_tag_destroy(sc->rbd_dmat); 679145247Sdamien } 680145247Sdamien 681145247Sdamien if (sc->status_dmat != NULL) { 682145247Sdamien if (sc->status_list != NULL) { 683145247Sdamien bus_dmamap_unload(sc->status_dmat, sc->status_map); 684145247Sdamien bus_dmamem_free(sc->status_dmat, sc->status_list, 685145247Sdamien sc->status_map); 686145247Sdamien } 687145247Sdamien bus_dma_tag_destroy(sc->status_dmat); 688145247Sdamien } 689145247Sdamien 690145247Sdamien for (i = 0; i < IPW_NTBD; i++) 691145247Sdamien ipw_release_sbd(sc, &sc->stbd_list[i]); 692145247Sdamien 693145247Sdamien if (sc->cmd_dmat != NULL) { 694145247Sdamien bus_dmamap_destroy(sc->cmd_dmat, sc->cmd_map); 695145247Sdamien bus_dma_tag_destroy(sc->cmd_dmat); 696145247Sdamien } 697145247Sdamien 698145247Sdamien if (sc->hdr_dmat != NULL) { 699145247Sdamien for (i = 0; i < IPW_NDATA; i++) 700145247Sdamien bus_dmamap_destroy(sc->hdr_dmat, sc->shdr_list[i].map); 701145247Sdamien bus_dma_tag_destroy(sc->hdr_dmat); 702145247Sdamien } 703145247Sdamien 704145247Sdamien if (sc->txbuf_dmat != NULL) { 705145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 706145247Sdamien bus_dmamap_destroy(sc->txbuf_dmat, 707145247Sdamien sc->tx_sbuf_list[i].map); 708145247Sdamien } 709145247Sdamien bus_dma_tag_destroy(sc->txbuf_dmat); 710145247Sdamien } 711145247Sdamien 712145247Sdamien if (sc->rxbuf_dmat != NULL) { 713145247Sdamien for (i = 0; i < IPW_NRBD; i++) { 714145247Sdamien sbuf = &sc->rx_sbuf_list[i]; 715145247Sdamien if (sbuf->m != NULL) { 716145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, 717145247Sdamien BUS_DMASYNC_POSTREAD); 718145247Sdamien bus_dmamap_unload(sc->rxbuf_dmat, sbuf->map); 719145247Sdamien m_freem(sbuf->m); 720145247Sdamien } 721145247Sdamien bus_dmamap_destroy(sc->rxbuf_dmat, sbuf->map); 722145247Sdamien } 723145247Sdamien bus_dma_tag_destroy(sc->rxbuf_dmat); 724145247Sdamien } 725145247Sdamien} 726145247Sdamien 727145247Sdamienstatic int 728145247Sdamienipw_shutdown(device_t dev) 729145247Sdamien{ 730145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 731145247Sdamien 732145247Sdamien ipw_stop(sc); 733145247Sdamien 734145247Sdamien return 0; 735145247Sdamien} 736145247Sdamien 737145247Sdamienstatic int 738145247Sdamienipw_suspend(device_t dev) 739145247Sdamien{ 740145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 741145247Sdamien 742145247Sdamien ipw_stop(sc); 743145247Sdamien 744145247Sdamien return 0; 745145247Sdamien} 746145247Sdamien 747145247Sdamienstatic int 748145247Sdamienipw_resume(device_t dev) 749145247Sdamien{ 750145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 751145247Sdamien struct ifnet *ifp = sc->sc_ic.ic_ifp; 752172567Sthompsa IPW_LOCK_DECL; 753145247Sdamien 754172567Sthompsa IPW_LOCK(sc); 755145247Sdamien 756146498Sdamien pci_write_config(dev, 0x41, 0, 1); 757146498Sdamien 758145247Sdamien if (ifp->if_flags & IFF_UP) { 759172567Sthompsa ipw_init_locked(sc, 0); 760148887Srwatson if (ifp->if_drv_flags & IFF_DRV_RUNNING) 761172567Sthompsa ipw_start_locked(ifp); 762145247Sdamien } 763145247Sdamien 764172567Sthompsa IPW_UNLOCK(sc); 765145247Sdamien 766145247Sdamien return 0; 767145247Sdamien} 768145247Sdamien 769145247Sdamienstatic int 770145247Sdamienipw_media_change(struct ifnet *ifp) 771145247Sdamien{ 772145247Sdamien struct ipw_softc *sc = ifp->if_softc; 773145247Sdamien int error; 774172567Sthompsa IPW_LOCK_DECL; 775145247Sdamien 776172567Sthompsa IPW_LOCK(sc); 777145247Sdamien error = ieee80211_media_change(ifp); 778172567Sthompsa if (error == ENETRESET) { 779172567Sthompsa if ((ifp->if_flags & IFF_UP) && 780172567Sthompsa (ifp->if_drv_flags & IFF_DRV_RUNNING)) 781172567Sthompsa ipw_init_locked(sc, 0); 782172567Sthompsa error = 0; 783145247Sdamien } 784172567Sthompsa IPW_UNLOCK(sc); 785145247Sdamien 786172567Sthompsa return (error); 787172567Sthompsa} 788145247Sdamien 789172567Sthompsastatic int 790172567Sthompsaipw_cvtrate(int ipwrate) 791172567Sthompsa{ 792172567Sthompsa switch (ipwrate) { 793172567Sthompsa case IPW_RATE_DS1: return 2; 794172567Sthompsa case IPW_RATE_DS2: return 4; 795172567Sthompsa case IPW_RATE_DS5: return 11; 796172567Sthompsa case IPW_RATE_DS11: return 22; 797172567Sthompsa } 798145247Sdamien return 0; 799145247Sdamien} 800145247Sdamien 801145247Sdamien/* 802156599Sdamien * The firmware automatically adapts the transmit speed. We report its current 803156599Sdamien * value here. 804145247Sdamien */ 805145247Sdamienstatic void 806145247Sdamienipw_media_status(struct ifnet *ifp, struct ifmediareq *imr) 807145247Sdamien{ 808145247Sdamien struct ipw_softc *sc = ifp->if_softc; 809145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 810172567Sthompsa int rate; 811145247Sdamien 812145247Sdamien imr->ifm_status = IFM_AVALID; 813145247Sdamien imr->ifm_active = IFM_IEEE80211; 814145247Sdamien if (ic->ic_state == IEEE80211_S_RUN) 815145247Sdamien imr->ifm_status |= IFM_ACTIVE; 816145247Sdamien 817145247Sdamien /* read current transmission rate from adapter */ 818172567Sthompsa rate = ipw_cvtrate(ipw_read_table1(sc, IPW_INFO_CURRENT_TX_RATE) & 0xf); 819172567Sthompsa imr->ifm_active |= ieee80211_rate2media(ic, rate, IEEE80211_MODE_11B); 820145247Sdamien 821145247Sdamien switch (ic->ic_opmode) { 822145247Sdamien case IEEE80211_M_STA: 823145247Sdamien break; 824145247Sdamien 825145247Sdamien case IEEE80211_M_IBSS: 826145247Sdamien imr->ifm_active |= IFM_IEEE80211_IBSS; 827145247Sdamien break; 828145247Sdamien 829145247Sdamien case IEEE80211_M_MONITOR: 830145247Sdamien imr->ifm_active |= IFM_IEEE80211_MONITOR; 831145247Sdamien break; 832145247Sdamien 833145247Sdamien case IEEE80211_M_AHDEMO: 834145247Sdamien case IEEE80211_M_HOSTAP: 835170530Ssam case IEEE80211_M_WDS: 836145247Sdamien /* should not get there */ 837145247Sdamien break; 838145247Sdamien } 839145247Sdamien} 840145247Sdamien 841145247Sdamienstatic int 842145247Sdamienipw_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 843145247Sdamien{ 844145247Sdamien struct ifnet *ifp = ic->ic_ifp; 845145247Sdamien struct ipw_softc *sc = ifp->if_softc; 846145247Sdamien 847172567Sthompsa DPRINTF(("%s: %s -> %s flags 0x%x\n", __func__, 848172567Sthompsa ieee80211_state_name[ic->ic_state], 849172567Sthompsa ieee80211_state_name[nstate], sc->flags)); 850172567Sthompsa 851145247Sdamien switch (nstate) { 852145247Sdamien case IEEE80211_S_RUN: 853172567Sthompsa if (ic->ic_opmode == IEEE80211_M_IBSS) { 854172567Sthompsa /* 855172567Sthompsa * XXX when joining an ibss network we are called 856172567Sthompsa * with a SCAN -> RUN transition on scan complete. 857172567Sthompsa * Use that to call ipw_auth_and_assoc. On completing 858172567Sthompsa * the join we are then called again with an 859172567Sthompsa * AUTH -> RUN transition and we want to do nothing. 860172567Sthompsa * This is all totally bogus and needs to be redone. 861172567Sthompsa */ 862172567Sthompsa if (ic->ic_state == IEEE80211_S_SCAN) 863172567Sthompsa taskqueue_enqueue_fast(taskqueue_fast, 864172567Sthompsa &sc->sc_assoc_task); 865172567Sthompsa } 866172567Sthompsa break; 867145247Sdamien 868172567Sthompsa case IEEE80211_S_INIT: 869172567Sthompsa if (sc->flags & IPW_FLAG_ASSOCIATED) 870172567Sthompsa taskqueue_enqueue_fast(taskqueue_fast, 871172567Sthompsa &sc->sc_disassoc_task); 872172567Sthompsa break; 873145247Sdamien 874172567Sthompsa case IEEE80211_S_AUTH: 875172567Sthompsa taskqueue_enqueue_fast(taskqueue_fast, &sc->sc_assoc_task); 876172567Sthompsa break; 877145247Sdamien 878172567Sthompsa case IEEE80211_S_ASSOC: 879172567Sthompsa /* 880172567Sthompsa * If we are not transitioning from AUTH the resend the 881172567Sthompsa * association request. 882172567Sthompsa */ 883172567Sthompsa if (ic->ic_state != IEEE80211_S_AUTH) 884172567Sthompsa taskqueue_enqueue_fast(taskqueue_fast, 885172567Sthompsa &sc->sc_assoc_task); 886145247Sdamien break; 887145247Sdamien 888172058Ssam default: 889145247Sdamien break; 890145247Sdamien } 891172567Sthompsa return (*sc->sc_newstate)(ic, nstate, arg); 892145247Sdamien} 893145247Sdamien 894145247Sdamien/* 895145247Sdamien * Read 16 bits at address 'addr' from the serial EEPROM. 896145247Sdamien */ 897145247Sdamienstatic uint16_t 898145247Sdamienipw_read_prom_word(struct ipw_softc *sc, uint8_t addr) 899145247Sdamien{ 900145247Sdamien uint32_t tmp; 901145247Sdamien uint16_t val; 902145247Sdamien int n; 903145247Sdamien 904145247Sdamien /* clock C once before the first command */ 905145247Sdamien IPW_EEPROM_CTL(sc, 0); 906145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 907145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 908145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 909145247Sdamien 910145247Sdamien /* write start bit (1) */ 911145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D); 912145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C); 913145247Sdamien 914145247Sdamien /* write READ opcode (10) */ 915145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D); 916145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C); 917145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 918145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 919145247Sdamien 920145247Sdamien /* write address A7-A0 */ 921145247Sdamien for (n = 7; n >= 0; n--) { 922145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | 923145247Sdamien (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D)); 924145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | 925145247Sdamien (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D) | IPW_EEPROM_C); 926145247Sdamien } 927145247Sdamien 928145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 929145247Sdamien 930145247Sdamien /* read data Q15-Q0 */ 931145247Sdamien val = 0; 932145247Sdamien for (n = 15; n >= 0; n--) { 933145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 934145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 935145247Sdamien tmp = MEM_READ_4(sc, IPW_MEM_EEPROM_CTL); 936145247Sdamien val |= ((tmp & IPW_EEPROM_Q) >> IPW_EEPROM_SHIFT_Q) << n; 937145247Sdamien } 938145247Sdamien 939145247Sdamien IPW_EEPROM_CTL(sc, 0); 940145247Sdamien 941145247Sdamien /* clear Chip Select and clock C */ 942145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 943145247Sdamien IPW_EEPROM_CTL(sc, 0); 944145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_C); 945145247Sdamien 946145247Sdamien return le16toh(val); 947145247Sdamien} 948145247Sdamien 949145247Sdamienstatic void 950172567Sthompsaipw_rx_cmd_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf) 951145247Sdamien{ 952145247Sdamien struct ipw_cmd *cmd; 953145247Sdamien 954145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 955145247Sdamien 956145247Sdamien cmd = mtod(sbuf->m, struct ipw_cmd *); 957145247Sdamien 958172567Sthompsa DPRINTFN(9, ("cmd ack'ed %s(%u, %u, %u, %u, %u)\n", 959172567Sthompsa ipw_cmdname(le32toh(cmd->type)), le32toh(cmd->type), 960145247Sdamien le32toh(cmd->subtype), le32toh(cmd->seq), le32toh(cmd->len), 961145247Sdamien le32toh(cmd->status))); 962145247Sdamien 963172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 964145247Sdamien wakeup(sc); 965145247Sdamien} 966145247Sdamien 967145247Sdamienstatic void 968172567Sthompsaipw_rx_newstate_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf) 969145247Sdamien{ 970172567Sthompsa#define IEEESTATE(ic) ieee80211_state_name[ic->ic_state] 971145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 972145247Sdamien uint32_t state; 973145247Sdamien 974145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 975145247Sdamien 976145247Sdamien state = le32toh(*mtod(sbuf->m, uint32_t *)); 977145247Sdamien 978145247Sdamien switch (state) { 979145247Sdamien case IPW_STATE_ASSOCIATED: 980172567Sthompsa DPRINTFN(2, ("Association succeeded (%s flags 0x%x)\n", 981172567Sthompsa IEEESTATE(ic), sc->flags)); 982172567Sthompsa sc->flags |= IPW_FLAG_ASSOCIATED; 983172567Sthompsa /* XXX suppress state change in case the fw auto-associates */ 984172567Sthompsa if (ic->ic_state != IEEE80211_S_ASSOC) { 985172567Sthompsa DPRINTF(("Unexpected association (state %u)\n", 986172567Sthompsa ic->ic_state)); 987172567Sthompsa } else 988172567Sthompsa ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 989145247Sdamien break; 990145247Sdamien 991145247Sdamien case IPW_STATE_SCANNING: 992172567Sthompsa DPRINTFN(3, ("Scanning (%s flags 0x%x)\n", 993172567Sthompsa IEEESTATE(ic), sc->flags)); 994172567Sthompsa /* 995172567Sthompsa * NB: Check driver state for association on assoc 996172567Sthompsa * loss as the firmware will immediately start to 997172567Sthompsa * scan and we would treat it as a beacon miss if 998172567Sthompsa * we checked the 802.11 layer state. 999172567Sthompsa */ 1000172567Sthompsa if (sc->flags & IPW_FLAG_ASSOCIATED) 1001172567Sthompsa ieee80211_beacon_miss(ic); 1002145247Sdamien break; 1003145247Sdamien 1004145247Sdamien case IPW_STATE_SCAN_COMPLETE: 1005172567Sthompsa /* 1006172567Sthompsa * XXX For some reason scan requests generate scan 1007172567Sthompsa * started + scan done events before any traffic is 1008172567Sthompsa * received (e.g. probe response frames). We work 1009172567Sthompsa * around this by marking the HACK flag and skipping 1010172567Sthompsa * the first scan complete event. 1011172567Sthompsa */ 1012172567Sthompsa if (sc->flags & IPW_FLAG_HACK) { 1013172567Sthompsa sc->flags &= ~IPW_FLAG_HACK; 1014172567Sthompsa break; 1015172567Sthompsa } 1016172567Sthompsa DPRINTFN(3, ("Scan complete (%s flags 0x%x)\n", 1017172567Sthompsa IEEESTATE(ic), sc->flags)); 1018172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) { 1019172567Sthompsa ieee80211_scan_done(ic); 1020172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 1021172567Sthompsa sc->sc_scan_timer = 0; 1022172567Sthompsa } 1023145247Sdamien break; 1024145247Sdamien 1025145247Sdamien case IPW_STATE_ASSOCIATION_LOST: 1026172567Sthompsa DPRINTFN(2, ("Association lost (%s flags 0x%x)\n", 1027172567Sthompsa IEEESTATE(ic), sc->flags)); 1028172567Sthompsa sc->flags &= ~IPW_FLAG_ASSOCIATED; 1029172567Sthompsa if (ic->ic_state == IEEE80211_S_RUN) 1030172567Sthompsa ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 1031145247Sdamien break; 1032145247Sdamien 1033172567Sthompsa case IPW_STATE_DISABLED: 1034172567Sthompsa DPRINTFN(2, ("Firmware disabled (%s flags 0x%x)\n", 1035172567Sthompsa IEEESTATE(ic), sc->flags)); 1036172567Sthompsa break; 1037172567Sthompsa 1038145247Sdamien case IPW_STATE_RADIO_DISABLED: 1039172567Sthompsa DPRINTFN(2, ("Radio off (%s flags 0x%x)\n", 1040172567Sthompsa IEEESTATE(ic), sc->flags)); 1041145247Sdamien ic->ic_ifp->if_flags &= ~IFF_UP; 1042172567Sthompsa ipw_stop_locked(sc); 1043145247Sdamien break; 1044172567Sthompsa 1045172567Sthompsa default: 1046172567Sthompsa DPRINTFN(2, ("%s: unhandled state %u %s flags 0x%x\n", 1047172567Sthompsa __func__, state, IEEESTATE(ic), sc->flags)); 1048172567Sthompsa break; 1049145247Sdamien } 1050172567Sthompsa#undef IEEESTATE 1051145247Sdamien} 1052145247Sdamien 1053145247Sdamien/* 1054172567Sthompsa * Set driver state for current channel. 1055172567Sthompsa */ 1056172567Sthompsastatic void 1057172567Sthompsaipw_setcurchan(struct ipw_softc *sc, struct ieee80211_channel *chan) 1058172567Sthompsa{ 1059172567Sthompsa struct ieee80211com *ic = &sc->sc_ic; 1060172567Sthompsa 1061172567Sthompsa ic->ic_curchan = chan; 1062172567Sthompsa sc->sc_rxtap.wr_chan_freq = sc->sc_txtap.wt_chan_freq = 1063172567Sthompsa htole16(ic->ic_curchan->ic_freq); 1064172567Sthompsa sc->sc_rxtap.wr_chan_flags = sc->sc_txtap.wt_chan_flags = 1065172567Sthompsa htole16(ic->ic_curchan->ic_flags); 1066172567Sthompsa} 1067172567Sthompsa 1068172567Sthompsa/* 1069145247Sdamien * XXX: Hack to set the current channel to the value advertised in beacons or 1070145247Sdamien * probe responses. Only used during AP detection. 1071145247Sdamien */ 1072145247Sdamienstatic void 1073172567Sthompsaipw_fix_channel(struct ipw_softc *sc, struct mbuf *m) 1074145247Sdamien{ 1075172567Sthompsa struct ieee80211com *ic = &sc->sc_ic; 1076172567Sthompsa struct ieee80211_channel *c; 1077145247Sdamien struct ieee80211_frame *wh; 1078145247Sdamien uint8_t subtype; 1079145247Sdamien uint8_t *frm, *efrm; 1080145247Sdamien 1081145247Sdamien wh = mtod(m, struct ieee80211_frame *); 1082145247Sdamien 1083145247Sdamien if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 1084145247Sdamien return; 1085145247Sdamien 1086145247Sdamien subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 1087145247Sdamien 1088145247Sdamien if (subtype != IEEE80211_FC0_SUBTYPE_BEACON && 1089145247Sdamien subtype != IEEE80211_FC0_SUBTYPE_PROBE_RESP) 1090145247Sdamien return; 1091145247Sdamien 1092145247Sdamien frm = (uint8_t *)(wh + 1); 1093145247Sdamien efrm = mtod(m, uint8_t *) + m->m_len; 1094145247Sdamien 1095145247Sdamien frm += 12; /* skip tstamp, bintval and capinfo fields */ 1096145247Sdamien while (frm < efrm) { 1097145247Sdamien if (*frm == IEEE80211_ELEMID_DSPARMS) 1098145247Sdamien#if IEEE80211_CHAN_MAX < 255 1099145247Sdamien if (frm[2] <= IEEE80211_CHAN_MAX) 1100145247Sdamien#endif 1101172567Sthompsa { 1102172567Sthompsa DPRINTF(("Fixing channel to %d\n", frm[2])); 1103172567Sthompsa c = ieee80211_find_channel(ic, 1104170530Ssam ieee80211_ieee2mhz(frm[2], 0), 1105172567Sthompsa IEEE80211_CHAN_B); 1106172567Sthompsa if (c == NULL) 1107172567Sthompsa c = &ic->ic_channels[0]; 1108172567Sthompsa ipw_setcurchan(sc, c); 1109172567Sthompsa } 1110145247Sdamien 1111145247Sdamien frm += frm[1] + 2; 1112145247Sdamien } 1113145247Sdamien} 1114145247Sdamien 1115145247Sdamienstatic void 1116172567Sthompsaipw_rx_data_intr(struct ipw_softc *sc, struct ipw_status *status, 1117145247Sdamien struct ipw_soft_bd *sbd, struct ipw_soft_buf *sbuf) 1118145247Sdamien{ 1119145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 1120145247Sdamien struct ifnet *ifp = ic->ic_ifp; 1121152385Sdamien struct mbuf *mnew, *m; 1122145247Sdamien struct ieee80211_frame *wh; 1123145247Sdamien struct ieee80211_node *ni; 1124145247Sdamien bus_addr_t physaddr; 1125145247Sdamien int error; 1126172567Sthompsa IPW_LOCK_DECL; 1127145247Sdamien 1128152385Sdamien DPRINTFN(5, ("received frame len=%u, rssi=%u\n", le32toh(status->len), 1129152385Sdamien status->rssi)); 1130152385Sdamien 1131147757Sdamien if (le32toh(status->len) < sizeof (struct ieee80211_frame_min) || 1132147757Sdamien le32toh(status->len) > MCLBYTES) 1133147757Sdamien return; 1134147757Sdamien 1135152385Sdamien /* 1136152385Sdamien * Try to allocate a new mbuf for this ring element and load it before 1137152385Sdamien * processing the current mbuf. If the ring element cannot be loaded, 1138152385Sdamien * drop the received packet and reuse the old mbuf. In the unlikely 1139152385Sdamien * case that the old mbuf can't be reloaded either, explicitly panic. 1140152385Sdamien */ 1141152385Sdamien mnew = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1142152385Sdamien if (mnew == NULL) { 1143152385Sdamien ifp->if_ierrors++; 1144152385Sdamien return; 1145152385Sdamien } 1146152385Sdamien 1147145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 1148145247Sdamien bus_dmamap_unload(sc->rxbuf_dmat, sbuf->map); 1149145247Sdamien 1150152385Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, mtod(mnew, void *), 1151152385Sdamien MCLBYTES, ipw_dma_map_addr, &physaddr, 0); 1152152385Sdamien if (error != 0) { 1153152385Sdamien m_freem(mnew); 1154152385Sdamien 1155152385Sdamien /* try to reload the old mbuf */ 1156152385Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, 1157152385Sdamien mtod(sbuf->m, void *), MCLBYTES, ipw_dma_map_addr, 1158152385Sdamien &physaddr, 0); 1159152385Sdamien if (error != 0) { 1160152385Sdamien /* very unlikely that it will fail... */ 1161152385Sdamien panic("%s: could not load old rx mbuf", 1162152385Sdamien device_get_name(sc->sc_dev)); 1163152385Sdamien } 1164152385Sdamien ifp->if_ierrors++; 1165152385Sdamien return; 1166152385Sdamien } 1167152385Sdamien 1168152385Sdamien /* 1169152385Sdamien * New mbuf successfully loaded, update Rx ring and continue 1170152385Sdamien * processing. 1171152385Sdamien */ 1172152385Sdamien m = sbuf->m; 1173152385Sdamien sbuf->m = mnew; 1174152385Sdamien sbd->bd->physaddr = htole32(physaddr); 1175152385Sdamien 1176145247Sdamien /* finalize mbuf */ 1177145247Sdamien m->m_pkthdr.rcvif = ifp; 1178145247Sdamien m->m_pkthdr.len = m->m_len = le32toh(status->len); 1179145247Sdamien 1180159180Scsjp if (bpf_peers_present(sc->sc_drvbpf)) { 1181145247Sdamien struct ipw_rx_radiotap_header *tap = &sc->sc_rxtap; 1182145247Sdamien 1183145247Sdamien tap->wr_flags = 0; 1184172567Sthompsa tap->wr_antsignal = status->rssi + IPW_RSSI_TO_DBM; 1185156599Sdamien tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1186156599Sdamien tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1187145247Sdamien 1188145247Sdamien bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); 1189145247Sdamien } 1190145247Sdamien 1191172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) 1192172567Sthompsa ipw_fix_channel(sc, m); 1193145247Sdamien 1194145247Sdamien wh = mtod(m, struct ieee80211_frame *); 1195172567Sthompsa IPW_UNLOCK(sc); 1196145247Sdamien ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1197145247Sdamien 1198145247Sdamien /* send the frame to the 802.11 layer */ 1199170530Ssam ieee80211_input(ic, m, ni, status->rssi, -95/*XXX*/, 0); 1200145247Sdamien 1201145247Sdamien /* node is no longer needed */ 1202145247Sdamien ieee80211_free_node(ni); 1203172567Sthompsa IPW_LOCK(sc); 1204145247Sdamien 1205145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 1206145247Sdamien} 1207145247Sdamien 1208145247Sdamienstatic void 1209145247Sdamienipw_rx_intr(struct ipw_softc *sc) 1210145247Sdamien{ 1211172567Sthompsa struct ieee80211com *ic = &sc->sc_ic; 1212145247Sdamien struct ipw_status *status; 1213145247Sdamien struct ipw_soft_bd *sbd; 1214145247Sdamien struct ipw_soft_buf *sbuf; 1215145247Sdamien uint32_t r, i; 1216145247Sdamien 1217145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1218145247Sdamien return; 1219145247Sdamien 1220145247Sdamien r = CSR_READ_4(sc, IPW_CSR_RX_READ); 1221145247Sdamien 1222145247Sdamien bus_dmamap_sync(sc->status_dmat, sc->status_map, BUS_DMASYNC_POSTREAD); 1223145247Sdamien 1224145247Sdamien for (i = (sc->rxcur + 1) % IPW_NRBD; i != r; i = (i + 1) % IPW_NRBD) { 1225145247Sdamien status = &sc->status_list[i]; 1226145247Sdamien sbd = &sc->srbd_list[i]; 1227145247Sdamien sbuf = sbd->priv; 1228145247Sdamien 1229145247Sdamien switch (le16toh(status->code) & 0xf) { 1230145247Sdamien case IPW_STATUS_CODE_COMMAND: 1231172567Sthompsa ipw_rx_cmd_intr(sc, sbuf); 1232145247Sdamien break; 1233145247Sdamien 1234145247Sdamien case IPW_STATUS_CODE_NEWSTATE: 1235172567Sthompsa ipw_rx_newstate_intr(sc, sbuf); 1236145247Sdamien break; 1237145247Sdamien 1238145247Sdamien case IPW_STATUS_CODE_DATA_802_3: 1239145247Sdamien case IPW_STATUS_CODE_DATA_802_11: 1240172567Sthompsa ipw_rx_data_intr(sc, status, sbd, sbuf); 1241145247Sdamien break; 1242145247Sdamien 1243145247Sdamien case IPW_STATUS_CODE_NOTIFICATION: 1244172567Sthompsa DPRINTFN(2, ("notification status, len %u flags 0x%x\n", 1245172567Sthompsa le32toh(status->len), status->flags)); 1246172567Sthompsa if (ic->ic_state == IEEE80211_S_AUTH) { 1247172567Sthompsa /* XXX assume auth notification */ 1248172567Sthompsa ieee80211_node_authorize(ic->ic_bss); 1249172567Sthompsa ieee80211_new_state(ic, IEEE80211_S_ASSOC, -1); 1250172567Sthompsa } 1251145247Sdamien break; 1252145247Sdamien 1253145247Sdamien default: 1254172567Sthompsa device_printf(sc->sc_dev, "unexpected status code %u\n", 1255145247Sdamien le16toh(status->code)); 1256145247Sdamien } 1257145247Sdamien 1258145247Sdamien /* firmware was killed, stop processing received frames */ 1259145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1260145247Sdamien return; 1261145247Sdamien 1262145247Sdamien sbd->bd->flags = 0; 1263145247Sdamien } 1264145247Sdamien 1265145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 1266145247Sdamien 1267145247Sdamien /* kick the firmware */ 1268145247Sdamien sc->rxcur = (r == 0) ? IPW_NRBD - 1 : r - 1; 1269145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_WRITE, sc->rxcur); 1270145247Sdamien} 1271145247Sdamien 1272145247Sdamienstatic void 1273145247Sdamienipw_release_sbd(struct ipw_softc *sc, struct ipw_soft_bd *sbd) 1274145247Sdamien{ 1275145247Sdamien struct ipw_soft_hdr *shdr; 1276145247Sdamien struct ipw_soft_buf *sbuf; 1277145247Sdamien 1278145247Sdamien switch (sbd->type) { 1279145247Sdamien case IPW_SBD_TYPE_COMMAND: 1280145247Sdamien bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map, 1281145247Sdamien BUS_DMASYNC_POSTWRITE); 1282145247Sdamien bus_dmamap_unload(sc->cmd_dmat, sc->cmd_map); 1283145247Sdamien break; 1284145247Sdamien 1285145247Sdamien case IPW_SBD_TYPE_HEADER: 1286145247Sdamien shdr = sbd->priv; 1287145247Sdamien bus_dmamap_sync(sc->hdr_dmat, shdr->map, BUS_DMASYNC_POSTWRITE); 1288145247Sdamien bus_dmamap_unload(sc->hdr_dmat, shdr->map); 1289145247Sdamien SLIST_INSERT_HEAD(&sc->free_shdr, shdr, next); 1290145247Sdamien break; 1291145247Sdamien 1292145247Sdamien case IPW_SBD_TYPE_DATA: 1293145247Sdamien sbuf = sbd->priv; 1294145247Sdamien bus_dmamap_sync(sc->txbuf_dmat, sbuf->map, 1295145247Sdamien BUS_DMASYNC_POSTWRITE); 1296145247Sdamien bus_dmamap_unload(sc->txbuf_dmat, sbuf->map); 1297145247Sdamien SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next); 1298145247Sdamien 1299170530Ssam if (sbuf->m->m_flags & M_TXCB) 1300170530Ssam ieee80211_process_callback(sbuf->ni, sbuf->m, 0/*XXX*/); 1301145247Sdamien m_freem(sbuf->m); 1302145247Sdamien ieee80211_free_node(sbuf->ni); 1303145247Sdamien 1304145247Sdamien sc->sc_tx_timer = 0; 1305145247Sdamien break; 1306145247Sdamien } 1307145247Sdamien 1308145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 1309145247Sdamien} 1310145247Sdamien 1311145247Sdamienstatic void 1312145247Sdamienipw_tx_intr(struct ipw_softc *sc) 1313145247Sdamien{ 1314145247Sdamien struct ifnet *ifp = sc->sc_ic.ic_ifp; 1315145247Sdamien struct ipw_soft_bd *sbd; 1316145247Sdamien uint32_t r, i; 1317145247Sdamien 1318145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1319145247Sdamien return; 1320145247Sdamien 1321145247Sdamien r = CSR_READ_4(sc, IPW_CSR_TX_READ); 1322145247Sdamien 1323145247Sdamien for (i = (sc->txold + 1) % IPW_NTBD; i != r; i = (i + 1) % IPW_NTBD) { 1324145247Sdamien sbd = &sc->stbd_list[i]; 1325145247Sdamien 1326145247Sdamien if (sbd->type == IPW_SBD_TYPE_DATA) 1327145247Sdamien ifp->if_opackets++; 1328145247Sdamien 1329145247Sdamien ipw_release_sbd(sc, sbd); 1330145247Sdamien sc->txfree++; 1331145247Sdamien } 1332145247Sdamien 1333145247Sdamien /* remember what the firmware has processed */ 1334145247Sdamien sc->txold = (r == 0) ? IPW_NTBD - 1 : r - 1; 1335145247Sdamien 1336148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1337172567Sthompsa ipw_start_locked(ifp); 1338145247Sdamien} 1339145247Sdamien 1340145247Sdamienstatic void 1341145247Sdamienipw_intr(void *arg) 1342145247Sdamien{ 1343145247Sdamien struct ipw_softc *sc = arg; 1344145247Sdamien uint32_t r; 1345172567Sthompsa IPW_LOCK_DECL; 1346145247Sdamien 1347172567Sthompsa IPW_LOCK(sc); 1348145247Sdamien 1349145247Sdamien if ((r = CSR_READ_4(sc, IPW_CSR_INTR)) == 0 || r == 0xffffffff) { 1350172567Sthompsa IPW_UNLOCK(sc); 1351145247Sdamien return; 1352145247Sdamien } 1353145247Sdamien 1354145247Sdamien /* disable interrupts */ 1355145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0); 1356145247Sdamien 1357156599Sdamien /* acknowledge all interrupts */ 1358156599Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR, r); 1359156599Sdamien 1360145247Sdamien if (r & (IPW_INTR_FATAL_ERROR | IPW_INTR_PARITY_ERROR)) { 1361156599Sdamien device_printf(sc->sc_dev, "firmware error\n"); 1362156599Sdamien taskqueue_enqueue_fast(taskqueue_fast, &sc->sc_init_task); 1363156599Sdamien r = 0; /* don't process more interrupts */ 1364145247Sdamien } 1365145247Sdamien 1366156599Sdamien if (r & IPW_INTR_FW_INIT_DONE) 1367156599Sdamien wakeup(sc); 1368145247Sdamien 1369145247Sdamien if (r & IPW_INTR_RX_TRANSFER) 1370145247Sdamien ipw_rx_intr(sc); 1371145247Sdamien 1372145247Sdamien if (r & IPW_INTR_TX_TRANSFER) 1373145247Sdamien ipw_tx_intr(sc); 1374145247Sdamien 1375145247Sdamien /* re-enable interrupts */ 1376145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK); 1377145247Sdamien 1378172567Sthompsa IPW_UNLOCK(sc); 1379145247Sdamien} 1380145247Sdamien 1381145247Sdamienstatic void 1382145247Sdamienipw_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) 1383145247Sdamien{ 1384145247Sdamien if (error != 0) 1385145247Sdamien return; 1386145247Sdamien 1387145247Sdamien KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 1388145247Sdamien 1389145247Sdamien *(bus_addr_t *)arg = segs[0].ds_addr; 1390145247Sdamien} 1391145247Sdamien 1392172567Sthompsastatic const char * 1393172567Sthompsaipw_cmdname(int cmd) 1394172567Sthompsa{ 1395172567Sthompsa#define N(a) (sizeof(a) / sizeof(a[0])) 1396172567Sthompsa static const struct { 1397172567Sthompsa int cmd; 1398172567Sthompsa const char *name; 1399172567Sthompsa } cmds[] = { 1400172567Sthompsa { IPW_CMD_ADD_MULTICAST, "ADD_MULTICAST" }, 1401172567Sthompsa { IPW_CMD_BROADCAST_SCAN, "BROADCAST_SCAN" }, 1402172567Sthompsa { IPW_CMD_DISABLE, "DISABLE" }, 1403172567Sthompsa { IPW_CMD_DISABLE_PHY, "DISABLE_PHY" }, 1404172567Sthompsa { IPW_CMD_ENABLE, "ENABLE" }, 1405172567Sthompsa { IPW_CMD_PREPARE_POWER_DOWN, "PREPARE_POWER_DOWN" }, 1406172567Sthompsa { IPW_CMD_SET_BASIC_TX_RATES, "SET_BASIC_TX_RATES" }, 1407172567Sthompsa { IPW_CMD_SET_BEACON_INTERVAL, "SET_BEACON_INTERVAL" }, 1408172567Sthompsa { IPW_CMD_SET_CHANNEL, "SET_CHANNEL" }, 1409172567Sthompsa { IPW_CMD_SET_CONFIGURATION, "SET_CONFIGURATION" }, 1410172567Sthompsa { IPW_CMD_SET_DESIRED_BSSID, "SET_DESIRED_BSSID" }, 1411172567Sthompsa { IPW_CMD_SET_ESSID, "SET_ESSID" }, 1412172567Sthompsa { IPW_CMD_SET_FRAG_THRESHOLD, "SET_FRAG_THRESHOLD" }, 1413172567Sthompsa { IPW_CMD_SET_MAC_ADDRESS, "SET_MAC_ADDRESS" }, 1414172567Sthompsa { IPW_CMD_SET_MANDATORY_BSSID, "SET_MANDATORY_BSSID" }, 1415172567Sthompsa { IPW_CMD_SET_MODE, "SET_MODE" }, 1416172567Sthompsa { IPW_CMD_SET_MSDU_TX_RATES, "SET_MSDU_TX_RATES" }, 1417172567Sthompsa { IPW_CMD_SET_POWER_MODE, "SET_POWER_MODE" }, 1418172567Sthompsa { IPW_CMD_SET_RTS_THRESHOLD, "SET_RTS_THRESHOLD" }, 1419172567Sthompsa { IPW_CMD_SET_SCAN_OPTIONS, "SET_SCAN_OPTIONS" }, 1420172567Sthompsa { IPW_CMD_SET_SECURITY_INFO, "SET_SECURITY_INFO" }, 1421172567Sthompsa { IPW_CMD_SET_TX_POWER_INDEX, "SET_TX_POWER_INDEX" }, 1422172567Sthompsa { IPW_CMD_SET_TX_RATES, "SET_TX_RATES" }, 1423172567Sthompsa { IPW_CMD_SET_WEP_FLAGS, "SET_WEP_FLAGS" }, 1424172567Sthompsa { IPW_CMD_SET_WEP_KEY, "SET_WEP_KEY" }, 1425172567Sthompsa { IPW_CMD_SET_WEP_KEY_INDEX, "SET_WEP_KEY_INDEX" }, 1426172567Sthompsa { IPW_CMD_SET_WPA_IE, "SET_WPA_IE" }, 1427172567Sthompsa 1428172567Sthompsa }; 1429172567Sthompsa static char buf[12]; 1430172567Sthompsa int i; 1431172567Sthompsa 1432172567Sthompsa for (i = 0; i < N(cmds); i++) 1433172567Sthompsa if (cmds[i].cmd == cmd) 1434172567Sthompsa return cmds[i].name; 1435172567Sthompsa snprintf(buf, sizeof(buf), "%u", cmd); 1436172567Sthompsa return buf; 1437172567Sthompsa#undef N 1438172567Sthompsa} 1439172567Sthompsa 1440145247Sdamien/* 1441145247Sdamien * Send a command to the firmware and wait for the acknowledgement. 1442145247Sdamien */ 1443145247Sdamienstatic int 1444145247Sdamienipw_cmd(struct ipw_softc *sc, uint32_t type, void *data, uint32_t len) 1445145247Sdamien{ 1446145247Sdamien struct ipw_soft_bd *sbd; 1447145247Sdamien bus_addr_t physaddr; 1448145247Sdamien int error; 1449145247Sdamien 1450172567Sthompsa if (sc->flags & IPW_FLAG_BUSY) { 1451172567Sthompsa device_printf(sc->sc_dev, "%s: %s not sent, busy\n", 1452172567Sthompsa __func__, ipw_cmdname(type)); 1453172567Sthompsa return EAGAIN; 1454172567Sthompsa } 1455172567Sthompsa sc->flags |= IPW_FLAG_BUSY; 1456172567Sthompsa 1457145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1458145247Sdamien 1459145247Sdamien error = bus_dmamap_load(sc->cmd_dmat, sc->cmd_map, &sc->cmd, 1460145247Sdamien sizeof (struct ipw_cmd), ipw_dma_map_addr, &physaddr, 0); 1461145247Sdamien if (error != 0) { 1462145247Sdamien device_printf(sc->sc_dev, "could not map command DMA memory\n"); 1463172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 1464145247Sdamien return error; 1465145247Sdamien } 1466145247Sdamien 1467145247Sdamien sc->cmd.type = htole32(type); 1468145247Sdamien sc->cmd.subtype = 0; 1469145247Sdamien sc->cmd.len = htole32(len); 1470145247Sdamien sc->cmd.seq = 0; 1471152637Sdamien memcpy(sc->cmd.data, data, len); 1472145247Sdamien 1473145247Sdamien sbd->type = IPW_SBD_TYPE_COMMAND; 1474145247Sdamien sbd->bd->physaddr = htole32(physaddr); 1475145247Sdamien sbd->bd->len = htole32(sizeof (struct ipw_cmd)); 1476145247Sdamien sbd->bd->nfrag = 1; 1477145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_COMMAND | 1478145247Sdamien IPW_BD_FLAG_TX_LAST_FRAGMENT; 1479145247Sdamien 1480145247Sdamien bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map, BUS_DMASYNC_PREWRITE); 1481145247Sdamien bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE); 1482145247Sdamien 1483172567Sthompsa#ifdef IPW_DEBUG 1484172567Sthompsa if (ipw_debug >= 4) { 1485172567Sthompsa printf("sending %s(%u, %u, %u, %u)", ipw_cmdname(type), type, 1486172567Sthompsa 0, 0, len); 1487172567Sthompsa /* Print the data buffer in the higher debug level */ 1488172567Sthompsa if (ipw_debug >= 9 && len > 0) { 1489172567Sthompsa printf(" data: 0x"); 1490172567Sthompsa for (int i = 1; i <= len; i++) 1491172567Sthompsa printf("%1D", (char *)data + len - i, ""); 1492172567Sthompsa } 1493172567Sthompsa printf("\n"); 1494172567Sthompsa } 1495172567Sthompsa#endif 1496145247Sdamien 1497145247Sdamien /* kick firmware */ 1498145247Sdamien sc->txfree--; 1499145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1500145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 1501145247Sdamien 1502145247Sdamien /* wait at most one second for command to complete */ 1503172567Sthompsa error = msleep(sc, &sc->sc_mtx, 0, "ipwcmd", hz); 1504172567Sthompsa if (error != 0) { 1505172567Sthompsa device_printf(sc->sc_dev, "%s: %s failed, timeout (error %u)\n", 1506172567Sthompsa __func__, ipw_cmdname(type), error); 1507172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 1508172567Sthompsa return (error); 1509172567Sthompsa } 1510172567Sthompsa return (0); 1511145247Sdamien} 1512145247Sdamien 1513145247Sdamienstatic int 1514145247Sdamienipw_tx_start(struct ifnet *ifp, struct mbuf *m0, struct ieee80211_node *ni) 1515145247Sdamien{ 1516145247Sdamien struct ipw_softc *sc = ifp->if_softc; 1517145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 1518145247Sdamien struct ieee80211_frame *wh; 1519145247Sdamien struct ipw_soft_bd *sbd; 1520145247Sdamien struct ipw_soft_hdr *shdr; 1521145247Sdamien struct ipw_soft_buf *sbuf; 1522145247Sdamien struct ieee80211_key *k; 1523145247Sdamien struct mbuf *mnew; 1524145247Sdamien bus_dma_segment_t segs[IPW_MAX_NSEG]; 1525145247Sdamien bus_addr_t physaddr; 1526145247Sdamien int nsegs, error, i; 1527145247Sdamien 1528145247Sdamien wh = mtod(m0, struct ieee80211_frame *); 1529145247Sdamien 1530145247Sdamien if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1531145247Sdamien k = ieee80211_crypto_encap(ic, ni, m0); 1532147806Ssam if (k == NULL) { 1533147806Ssam m_freem(m0); 1534145247Sdamien return ENOBUFS; 1535147806Ssam } 1536145247Sdamien 1537145247Sdamien /* packet header may have moved, reset our local pointer */ 1538145247Sdamien wh = mtod(m0, struct ieee80211_frame *); 1539145247Sdamien } 1540145247Sdamien 1541159180Scsjp if (bpf_peers_present(sc->sc_drvbpf)) { 1542145247Sdamien struct ipw_tx_radiotap_header *tap = &sc->sc_txtap; 1543145247Sdamien 1544145247Sdamien tap->wt_flags = 0; 1545156599Sdamien tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 1546156599Sdamien tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 1547145247Sdamien 1548145247Sdamien bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 1549145247Sdamien } 1550145247Sdamien 1551145247Sdamien shdr = SLIST_FIRST(&sc->free_shdr); 1552145247Sdamien sbuf = SLIST_FIRST(&sc->free_sbuf); 1553145247Sdamien KASSERT(shdr != NULL && sbuf != NULL, ("empty sw hdr/buf pool")); 1554145247Sdamien 1555145247Sdamien shdr->hdr.type = htole32(IPW_HDR_TYPE_SEND); 1556145247Sdamien shdr->hdr.subtype = 0; 1557145247Sdamien shdr->hdr.encrypted = (wh->i_fc[1] & IEEE80211_FC1_WEP) ? 1 : 0; 1558145247Sdamien shdr->hdr.encrypt = 0; 1559145247Sdamien shdr->hdr.keyidx = 0; 1560145247Sdamien shdr->hdr.keysz = 0; 1561145247Sdamien shdr->hdr.fragmentsz = 0; 1562145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.src_addr, wh->i_addr2); 1563145247Sdamien if (ic->ic_opmode == IEEE80211_M_STA) 1564145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr3); 1565145247Sdamien else 1566145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr1); 1567145247Sdamien 1568145247Sdamien /* trim IEEE802.11 header */ 1569145247Sdamien m_adj(m0, sizeof (struct ieee80211_frame)); 1570145247Sdamien 1571145247Sdamien error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0, segs, 1572145247Sdamien &nsegs, 0); 1573145247Sdamien if (error != 0 && error != EFBIG) { 1574145247Sdamien device_printf(sc->sc_dev, "could not map mbuf (error %d)\n", 1575145247Sdamien error); 1576145247Sdamien m_freem(m0); 1577145247Sdamien return error; 1578145247Sdamien } 1579145247Sdamien if (error != 0) { 1580145247Sdamien mnew = m_defrag(m0, M_DONTWAIT); 1581145247Sdamien if (mnew == NULL) { 1582145247Sdamien device_printf(sc->sc_dev, 1583145247Sdamien "could not defragment mbuf\n"); 1584145247Sdamien m_freem(m0); 1585145247Sdamien return ENOBUFS; 1586145247Sdamien } 1587145247Sdamien m0 = mnew; 1588145247Sdamien 1589145247Sdamien error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0, 1590145247Sdamien segs, &nsegs, 0); 1591145247Sdamien if (error != 0) { 1592145247Sdamien device_printf(sc->sc_dev, 1593145247Sdamien "could not map mbuf (error %d)\n", error); 1594145247Sdamien m_freem(m0); 1595145247Sdamien return error; 1596145247Sdamien } 1597145247Sdamien } 1598145247Sdamien 1599145247Sdamien error = bus_dmamap_load(sc->hdr_dmat, shdr->map, &shdr->hdr, 1600145247Sdamien sizeof (struct ipw_hdr), ipw_dma_map_addr, &physaddr, 0); 1601145247Sdamien if (error != 0) { 1602145247Sdamien device_printf(sc->sc_dev, "could not map header DMA memory\n"); 1603145247Sdamien bus_dmamap_unload(sc->txbuf_dmat, sbuf->map); 1604145247Sdamien m_freem(m0); 1605145247Sdamien return error; 1606145247Sdamien } 1607145247Sdamien 1608145247Sdamien SLIST_REMOVE_HEAD(&sc->free_sbuf, next); 1609145247Sdamien SLIST_REMOVE_HEAD(&sc->free_shdr, next); 1610145247Sdamien 1611145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1612145247Sdamien sbd->type = IPW_SBD_TYPE_HEADER; 1613145247Sdamien sbd->priv = shdr; 1614145247Sdamien sbd->bd->physaddr = htole32(physaddr); 1615145247Sdamien sbd->bd->len = htole32(sizeof (struct ipw_hdr)); 1616145247Sdamien sbd->bd->nfrag = 1 + nsegs; 1617145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3 | 1618145247Sdamien IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT; 1619145247Sdamien 1620145247Sdamien DPRINTFN(5, ("sending tx hdr (%u, %u, %u, %u, %6D, %6D)\n", 1621145247Sdamien shdr->hdr.type, shdr->hdr.subtype, shdr->hdr.encrypted, 1622145247Sdamien shdr->hdr.encrypt, shdr->hdr.src_addr, ":", shdr->hdr.dst_addr, 1623145247Sdamien ":")); 1624145247Sdamien 1625145247Sdamien sc->txfree--; 1626145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1627145247Sdamien 1628145247Sdamien sbuf->m = m0; 1629145247Sdamien sbuf->ni = ni; 1630145247Sdamien 1631145247Sdamien for (i = 0; i < nsegs; i++) { 1632145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1633145247Sdamien 1634145247Sdamien sbd->bd->physaddr = htole32(segs[i].ds_addr); 1635145247Sdamien sbd->bd->len = htole32(segs[i].ds_len); 1636145247Sdamien sbd->bd->nfrag = 0; 1637145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3; 1638145247Sdamien if (i == nsegs - 1) { 1639145247Sdamien sbd->type = IPW_SBD_TYPE_DATA; 1640145247Sdamien sbd->priv = sbuf; 1641145247Sdamien sbd->bd->flags |= IPW_BD_FLAG_TX_LAST_FRAGMENT; 1642145247Sdamien } else { 1643145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 1644145247Sdamien sbd->bd->flags |= IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT; 1645145247Sdamien } 1646145247Sdamien 1647172574Sthompsa DPRINTFN(5, ("sending fragment (%d)\n", i)); 1648145247Sdamien 1649145247Sdamien sc->txfree--; 1650145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1651145247Sdamien } 1652145247Sdamien 1653145247Sdamien bus_dmamap_sync(sc->hdr_dmat, shdr->map, BUS_DMASYNC_PREWRITE); 1654145247Sdamien bus_dmamap_sync(sc->txbuf_dmat, sbuf->map, BUS_DMASYNC_PREWRITE); 1655145247Sdamien bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE); 1656145247Sdamien 1657145247Sdamien /* kick firmware */ 1658145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 1659145247Sdamien 1660145247Sdamien return 0; 1661145247Sdamien} 1662145247Sdamien 1663145247Sdamienstatic void 1664145247Sdamienipw_start(struct ifnet *ifp) 1665145247Sdamien{ 1666145247Sdamien struct ipw_softc *sc = ifp->if_softc; 1667172567Sthompsa IPW_LOCK_DECL; 1668172567Sthompsa 1669172567Sthompsa IPW_LOCK(sc); 1670172567Sthompsa ipw_start_locked(ifp); 1671172567Sthompsa IPW_UNLOCK(sc); 1672172567Sthompsa} 1673172567Sthompsa 1674172567Sthompsastatic void 1675172567Sthompsaipw_start_locked(struct ifnet *ifp) 1676172567Sthompsa{ 1677172567Sthompsa struct ipw_softc *sc = ifp->if_softc; 1678145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 1679145247Sdamien struct mbuf *m0; 1680145247Sdamien struct ether_header *eh; 1681145247Sdamien struct ieee80211_node *ni; 1682145247Sdamien 1683172567Sthompsa IPW_LOCK_ASSERT(sc); 1684145247Sdamien 1685172567Sthompsa if (ic->ic_state != IEEE80211_S_RUN) 1686145247Sdamien return; 1687145247Sdamien 1688145247Sdamien for (;;) { 1689145247Sdamien IFQ_DRV_DEQUEUE(&ifp->if_snd, m0); 1690145247Sdamien if (m0 == NULL) 1691145247Sdamien break; 1692145247Sdamien 1693145247Sdamien if (sc->txfree < 1 + IPW_MAX_NSEG) { 1694145247Sdamien IFQ_DRV_PREPEND(&ifp->if_snd, m0); 1695148887Srwatson ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1696145247Sdamien break; 1697145247Sdamien } 1698145247Sdamien 1699145247Sdamien if (m0->m_len < sizeof (struct ether_header) && 1700145247Sdamien (m0 = m_pullup(m0, sizeof (struct ether_header))) == NULL) 1701145247Sdamien continue; 1702145247Sdamien 1703145247Sdamien eh = mtod(m0, struct ether_header *); 1704145247Sdamien ni = ieee80211_find_txnode(ic, eh->ether_dhost); 1705145247Sdamien if (ni == NULL) { 1706145247Sdamien m_freem(m0); 1707145247Sdamien continue; 1708145247Sdamien } 1709145247Sdamien BPF_MTAP(ifp, m0); 1710145247Sdamien 1711145247Sdamien m0 = ieee80211_encap(ic, m0, ni); 1712145247Sdamien if (m0 == NULL) { 1713145247Sdamien ieee80211_free_node(ni); 1714145247Sdamien continue; 1715145247Sdamien } 1716145247Sdamien 1717159183Ssam if (bpf_peers_present(ic->ic_rawbpf)) 1718145247Sdamien bpf_mtap(ic->ic_rawbpf, m0); 1719145247Sdamien 1720145247Sdamien if (ipw_tx_start(ifp, m0, ni) != 0) { 1721145247Sdamien ieee80211_free_node(ni); 1722145247Sdamien ifp->if_oerrors++; 1723145247Sdamien break; 1724145247Sdamien } 1725145247Sdamien 1726145247Sdamien /* start watchdog timer */ 1727145247Sdamien sc->sc_tx_timer = 5; 1728145247Sdamien } 1729145247Sdamien} 1730145247Sdamien 1731145247Sdamienstatic void 1732172567Sthompsaipw_watchdog(void *arg) 1733145247Sdamien{ 1734172567Sthompsa struct ipw_softc *sc = arg; 1735172567Sthompsa struct ieee80211com *ic = &sc->sc_ic; 1736172567Sthompsa struct ifnet *ifp = sc->sc_ifp; 1737145247Sdamien 1738172567Sthompsa IPW_LOCK_ASSERT(sc); 1739156599Sdamien 1740145247Sdamien if (sc->sc_tx_timer > 0) { 1741145247Sdamien if (--sc->sc_tx_timer == 0) { 1742145247Sdamien if_printf(ifp, "device timeout\n"); 1743145247Sdamien ifp->if_oerrors++; 1744156599Sdamien taskqueue_enqueue_fast(taskqueue_fast, 1745156599Sdamien &sc->sc_init_task); 1746145247Sdamien } 1747145247Sdamien } 1748172567Sthompsa if (sc->sc_scan_timer > 0) { 1749172567Sthompsa if (--sc->sc_scan_timer == 0) { 1750172567Sthompsa DPRINTFN(3, ("Scan timeout\n")); 1751172567Sthompsa /* End the scan */ 1752172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) { 1753172567Sthompsa ieee80211_scan_done(ic); 1754172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 1755172567Sthompsa } 1756172567Sthompsa } 1757172567Sthompsa } 1758172567Sthompsa if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1759172567Sthompsa callout_reset(&sc->sc_wdtimer, hz, ipw_watchdog, sc); 1760145247Sdamien} 1761145247Sdamien 1762145247Sdamienstatic int 1763145247Sdamienipw_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1764145247Sdamien{ 1765145247Sdamien struct ipw_softc *sc = ifp->if_softc; 1766145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 1767145247Sdamien int error = 0; 1768172567Sthompsa IPW_LOCK_DECL; 1769145247Sdamien 1770172567Sthompsa IPW_LOCK(sc); 1771145247Sdamien 1772145247Sdamien switch (cmd) { 1773145247Sdamien case SIOCSIFFLAGS: 1774145247Sdamien if (ifp->if_flags & IFF_UP) { 1775148887Srwatson if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 1776172567Sthompsa ipw_init_locked(sc, 0); 1777145247Sdamien } else { 1778148887Srwatson if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1779172567Sthompsa ipw_stop_locked(sc); 1780145247Sdamien } 1781145247Sdamien break; 1782145247Sdamien 1783145247Sdamien default: 1784145247Sdamien error = ieee80211_ioctl(ic, cmd, data); 1785145247Sdamien } 1786145247Sdamien 1787145247Sdamien if (error == ENETRESET) { 1788148887Srwatson if ((ifp->if_flags & IFF_UP) && 1789172567Sthompsa (ifp->if_drv_flags & IFF_DRV_RUNNING) && 1790172567Sthompsa (ic->ic_roaming != IEEE80211_ROAMING_MANUAL)) 1791172567Sthompsa ipw_init_locked(sc, 0); 1792145247Sdamien error = 0; 1793145247Sdamien } 1794145247Sdamien 1795172567Sthompsa IPW_UNLOCK(sc); 1796145247Sdamien 1797145247Sdamien return error; 1798145247Sdamien} 1799145247Sdamien 1800145247Sdamienstatic void 1801145247Sdamienipw_stop_master(struct ipw_softc *sc) 1802145247Sdamien{ 1803156599Sdamien uint32_t tmp; 1804145247Sdamien int ntries; 1805145247Sdamien 1806145247Sdamien /* disable interrupts */ 1807145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0); 1808145247Sdamien 1809145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_STOP_MASTER); 1810145247Sdamien for (ntries = 0; ntries < 50; ntries++) { 1811145247Sdamien if (CSR_READ_4(sc, IPW_CSR_RST) & IPW_RST_MASTER_DISABLED) 1812145247Sdamien break; 1813145247Sdamien DELAY(10); 1814145247Sdamien } 1815145247Sdamien if (ntries == 50) 1816145247Sdamien device_printf(sc->sc_dev, "timeout waiting for master\n"); 1817145247Sdamien 1818156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_RST); 1819156599Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_PRINCETON_RESET); 1820145247Sdamien 1821172567Sthompsa /* Clear all flags except the following */ 1822172567Sthompsa sc->flags &= IPW_FLAG_HAS_RADIO_SWITCH; 1823145247Sdamien} 1824145247Sdamien 1825145247Sdamienstatic int 1826145247Sdamienipw_reset(struct ipw_softc *sc) 1827145247Sdamien{ 1828156599Sdamien uint32_t tmp; 1829145247Sdamien int ntries; 1830145247Sdamien 1831145247Sdamien ipw_stop_master(sc); 1832145247Sdamien 1833145247Sdamien /* move adapter to D0 state */ 1834156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1835156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_INIT); 1836145247Sdamien 1837145247Sdamien /* wait for clock stabilization */ 1838145247Sdamien for (ntries = 0; ntries < 1000; ntries++) { 1839145247Sdamien if (CSR_READ_4(sc, IPW_CSR_CTL) & IPW_CTL_CLOCK_READY) 1840145247Sdamien break; 1841145247Sdamien DELAY(200); 1842145247Sdamien } 1843145247Sdamien if (ntries == 1000) 1844145247Sdamien return EIO; 1845145247Sdamien 1846156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_RST); 1847156599Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_SW_RESET); 1848145247Sdamien 1849145247Sdamien DELAY(10); 1850145247Sdamien 1851156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1852156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_INIT); 1853145247Sdamien 1854145247Sdamien return 0; 1855145247Sdamien} 1856145247Sdamien 1857172567Sthompsastatic int 1858172567Sthompsaipw_waitfordisable(struct ipw_softc *sc, int waitfor) 1859172567Sthompsa{ 1860172567Sthompsa int ms = hz < 1000 ? 1 : hz/10; 1861172567Sthompsa int i, error; 1862172567Sthompsa 1863172567Sthompsa for (i = 0; i < 100; i++) { 1864172567Sthompsa if (ipw_read_table1(sc, IPW_INFO_CARD_DISABLED) == waitfor) 1865172567Sthompsa return 0; 1866172567Sthompsa error = msleep(sc, &sc->sc_mtx, PCATCH, __func__, ms); 1867172567Sthompsa if (error == 0 || error != EWOULDBLOCK) 1868172567Sthompsa return 0; 1869172567Sthompsa } 1870172567Sthompsa DPRINTF(("%s: timeout waiting for %s\n", 1871172567Sthompsa __func__, waitfor ? "disable" : "enable")); 1872172567Sthompsa return ETIMEDOUT; 1873172567Sthompsa} 1874172567Sthompsa 1875172567Sthompsastatic int 1876172567Sthompsaipw_enable(struct ipw_softc *sc) 1877172567Sthompsa{ 1878172567Sthompsa int error; 1879172567Sthompsa 1880172567Sthompsa if ((sc->flags & IPW_FLAG_ENABLED) == 0) { 1881172567Sthompsa DPRINTF(("Enable adapter\n")); 1882172567Sthompsa error = ipw_cmd(sc, IPW_CMD_ENABLE, NULL, 0); 1883172567Sthompsa if (error != 0) 1884172567Sthompsa return error; 1885172567Sthompsa error = ipw_waitfordisable(sc, 0); 1886172567Sthompsa if (error != 0) 1887172567Sthompsa return error; 1888172567Sthompsa sc->flags |= IPW_FLAG_ENABLED; 1889172567Sthompsa } 1890172567Sthompsa return 0; 1891172567Sthompsa} 1892172567Sthompsa 1893172567Sthompsastatic int 1894172567Sthompsaipw_disable(struct ipw_softc *sc) 1895172567Sthompsa{ 1896172567Sthompsa int error; 1897172567Sthompsa 1898172567Sthompsa if (sc->flags & IPW_FLAG_ENABLED) { 1899172567Sthompsa DPRINTF(("Disable adapter\n")); 1900172567Sthompsa error = ipw_cmd(sc, IPW_CMD_DISABLE, NULL, 0); 1901172567Sthompsa if (error != 0) 1902172567Sthompsa return error; 1903172567Sthompsa error = ipw_waitfordisable(sc, 1); 1904172567Sthompsa if (error != 0) 1905172567Sthompsa return error; 1906172567Sthompsa sc->flags &= ~IPW_FLAG_ENABLED; 1907172567Sthompsa } 1908172567Sthompsa return 0; 1909172567Sthompsa} 1910172567Sthompsa 1911145247Sdamien/* 1912145247Sdamien * Upload the microcode to the device. 1913145247Sdamien */ 1914145247Sdamienstatic int 1915156599Sdamienipw_load_ucode(struct ipw_softc *sc, const char *uc, int size) 1916145247Sdamien{ 1917145247Sdamien int ntries; 1918145247Sdamien 1919145247Sdamien MEM_WRITE_4(sc, 0x3000e0, 0x80000000); 1920145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, 0); 1921145247Sdamien 1922145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0703); 1923145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0707); 1924145247Sdamien 1925145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1926145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1927145247Sdamien 1928145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x40); 1929145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1930145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x40); 1931145247Sdamien 1932145247Sdamien MEM_WRITE_MULTI_1(sc, 0x210010, uc, size); 1933145247Sdamien 1934145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1935145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1936145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x80); 1937145247Sdamien 1938145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0703); 1939145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0707); 1940145247Sdamien 1941145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1942145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1943145247Sdamien 1944145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1945145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x80); 1946145247Sdamien 1947145247Sdamien for (ntries = 0; ntries < 10; ntries++) { 1948145247Sdamien if (MEM_READ_1(sc, 0x210000) & 1) 1949145247Sdamien break; 1950145247Sdamien DELAY(10); 1951145247Sdamien } 1952145247Sdamien if (ntries == 10) { 1953145247Sdamien device_printf(sc->sc_dev, 1954145247Sdamien "timeout waiting for ucode to initialize\n"); 1955145247Sdamien return EIO; 1956145247Sdamien } 1957145247Sdamien 1958145247Sdamien MEM_WRITE_4(sc, 0x3000e0, 0); 1959145247Sdamien 1960145247Sdamien return 0; 1961145247Sdamien} 1962145247Sdamien 1963145247Sdamien/* set of macros to handle unaligned little endian data in firmware image */ 1964145247Sdamien#define GETLE32(p) ((p)[0] | (p)[1] << 8 | (p)[2] << 16 | (p)[3] << 24) 1965145247Sdamien#define GETLE16(p) ((p)[0] | (p)[1] << 8) 1966145247Sdamienstatic int 1967156599Sdamienipw_load_firmware(struct ipw_softc *sc, const char *fw, int size) 1968145247Sdamien{ 1969156599Sdamien const uint8_t *p, *end; 1970156599Sdamien uint32_t tmp, dst; 1971145247Sdamien uint16_t len; 1972145247Sdamien int error; 1973145247Sdamien 1974145247Sdamien p = fw; 1975145247Sdamien end = fw + size; 1976145247Sdamien while (p < end) { 1977145247Sdamien dst = GETLE32(p); p += 4; 1978145247Sdamien len = GETLE16(p); p += 2; 1979145247Sdamien 1980145247Sdamien ipw_write_mem_1(sc, dst, p, len); 1981145247Sdamien p += len; 1982145247Sdamien } 1983145247Sdamien 1984145247Sdamien CSR_WRITE_4(sc, IPW_CSR_IO, IPW_IO_GPIO1_ENABLE | IPW_IO_GPIO3_MASK | 1985145247Sdamien IPW_IO_LED_OFF); 1986145247Sdamien 1987145247Sdamien /* enable interrupts */ 1988145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK); 1989145247Sdamien 1990145247Sdamien /* kick the firmware */ 1991145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, 0); 1992145247Sdamien 1993156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1994156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_ALLOW_STANDBY); 1995145247Sdamien 1996145247Sdamien /* wait at most one second for firmware initialization to complete */ 1997145247Sdamien if ((error = msleep(sc, &sc->sc_mtx, 0, "ipwinit", hz)) != 0) { 1998145247Sdamien device_printf(sc->sc_dev, "timeout waiting for firmware " 1999145247Sdamien "initialization to complete\n"); 2000145247Sdamien return error; 2001145247Sdamien } 2002145247Sdamien 2003156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_IO); 2004156599Sdamien CSR_WRITE_4(sc, IPW_CSR_IO, tmp | IPW_IO_GPIO1_MASK | 2005156599Sdamien IPW_IO_GPIO3_MASK); 2006145247Sdamien 2007145247Sdamien return 0; 2008145247Sdamien} 2009145247Sdamien 2010145247Sdamienstatic int 2011172567Sthompsaipw_setwepkeys(struct ipw_softc *sc) 2012172567Sthompsa{ 2013172567Sthompsa struct ieee80211com *ic = &sc->sc_ic; 2014172567Sthompsa struct ipw_wep_key wepkey; 2015172567Sthompsa struct ieee80211_key *wk; 2016172567Sthompsa int error, i; 2017172567Sthompsa 2018172567Sthompsa for (i = 0; i < IEEE80211_WEP_NKID; i++) { 2019172567Sthompsa wk = &ic->ic_crypto.cs_nw_keys[i]; 2020172567Sthompsa 2021172567Sthompsa if (wk->wk_cipher == NULL || 2022172567Sthompsa wk->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP) 2023172567Sthompsa continue; 2024172567Sthompsa 2025172567Sthompsa wepkey.idx = i; 2026172567Sthompsa wepkey.len = wk->wk_keylen; 2027172567Sthompsa memset(wepkey.key, 0, sizeof wepkey.key); 2028172567Sthompsa memcpy(wepkey.key, wk->wk_key, wk->wk_keylen); 2029172567Sthompsa DPRINTF(("Setting wep key index %u len %u\n", wepkey.idx, 2030172567Sthompsa wepkey.len)); 2031172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY, &wepkey, 2032172567Sthompsa sizeof wepkey); 2033172567Sthompsa if (error != 0) 2034172567Sthompsa return error; 2035172567Sthompsa } 2036172567Sthompsa return 0; 2037172567Sthompsa} 2038172567Sthompsa 2039172567Sthompsastatic int 2040172567Sthompsaipw_setwpaie(struct ipw_softc *sc, const void *ie, int ielen) 2041172567Sthompsa{ 2042172567Sthompsa struct ipw_wpa_ie wpaie; 2043172567Sthompsa 2044172567Sthompsa memset(&wpaie, 0, sizeof(wpaie)); 2045172567Sthompsa wpaie.len = htole32(ielen); 2046172567Sthompsa /* XXX verify length */ 2047172567Sthompsa memcpy(&wpaie.ie, ie, ielen); 2048172567Sthompsa DPRINTF(("Setting WPA IE\n")); 2049172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_WPA_IE, &wpaie, sizeof(wpaie)); 2050172567Sthompsa} 2051172567Sthompsa 2052172567Sthompsastatic int 2053172567Sthompsaipw_setbssid(struct ipw_softc *sc, uint8_t *bssid) 2054172567Sthompsa{ 2055172567Sthompsa static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 2056172567Sthompsa 2057172567Sthompsa if (bssid == NULL || bcmp(bssid, zerobssid, IEEE80211_ADDR_LEN) == 0) { 2058172567Sthompsa DPRINTF(("Setting mandatory BSSID to null\n")); 2059172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID, NULL, 0); 2060172567Sthompsa } else { 2061172567Sthompsa DPRINTF(("Setting mandatory BSSID to %6D\n", bssid, ":")); 2062172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID, 2063172567Sthompsa bssid, IEEE80211_ADDR_LEN); 2064172567Sthompsa } 2065172567Sthompsa} 2066172567Sthompsa 2067172567Sthompsastatic int 2068172567Sthompsaipw_setssid(struct ipw_softc *sc, void *ssid, size_t ssidlen) 2069172567Sthompsa{ 2070172567Sthompsa if (ssidlen == 0) { 2071172567Sthompsa /* 2072172567Sthompsa * A bug in the firmware breaks the ``don't associate'' 2073172567Sthompsa * bit in the scan options command. To compensate for 2074172567Sthompsa * this install a bogus ssid when no ssid is specified 2075172567Sthompsa * so the firmware won't try to associate. 2076172567Sthompsa */ 2077172567Sthompsa DPRINTF(("Setting bogus ESSID to WAR firmware bug\n")); 2078172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_ESSID, 2079172567Sthompsa "\x18\x19\x20\x21\x22\x23\x24\x25\x26\x27" 2080172567Sthompsa "\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f\x30\x31" 2081172567Sthompsa "\x32\x33\x34\x35\x36\x37\x38\x39\x3a\x3b" 2082172567Sthompsa "\x3c\x3d", IEEE80211_NWID_LEN); 2083172567Sthompsa } else { 2084172567Sthompsa#ifdef IPW_DEBUG 2085172567Sthompsa if (ipw_debug > 0) { 2086172567Sthompsa printf("Setting ESSID to "); 2087172567Sthompsa ieee80211_print_essid(ssid, ssidlen); 2088172567Sthompsa printf("\n"); 2089172567Sthompsa } 2090172567Sthompsa#endif 2091172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_ESSID, ssid, ssidlen); 2092172567Sthompsa } 2093172567Sthompsa} 2094172567Sthompsa 2095172567Sthompsastatic int 2096172567Sthompsaipw_setscanopts(struct ipw_softc *sc, uint32_t chanmask, uint32_t flags) 2097172567Sthompsa{ 2098172567Sthompsa struct ipw_scan_options opts; 2099172567Sthompsa 2100172567Sthompsa DPRINTF(("Scan options: mask 0x%x flags 0x%x\n", chanmask, flags)); 2101172567Sthompsa opts.channels = htole32(chanmask); 2102172567Sthompsa opts.flags = htole32(flags); 2103172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_SCAN_OPTIONS, &opts, sizeof(opts)); 2104172567Sthompsa} 2105172567Sthompsa 2106172567Sthompsa/* 2107172567Sthompsa * Handler for sc_scan_task. This is a simple wrapper around ipw_scan(). 2108172567Sthompsa */ 2109172567Sthompsastatic void 2110172567Sthompsaipw_scan_task(void *context, int pending) 2111172567Sthompsa{ 2112172567Sthompsa struct ipw_softc *sc = context; 2113172567Sthompsa IPW_LOCK_DECL; 2114172567Sthompsa 2115172567Sthompsa IPW_LOCK(sc); 2116172567Sthompsa ipw_scan(sc); 2117172567Sthompsa IPW_UNLOCK(sc); 2118172567Sthompsa} 2119172567Sthompsa 2120172567Sthompsastatic int 2121172567Sthompsaipw_scan(struct ipw_softc *sc) 2122172567Sthompsa{ 2123172567Sthompsa uint32_t params; 2124172567Sthompsa int error; 2125172567Sthompsa 2126172567Sthompsa DPRINTF(("%s: flags 0x%x\n", __func__, sc->flags)); 2127172567Sthompsa 2128172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) 2129172567Sthompsa return (EBUSY); 2130172567Sthompsa sc->flags |= IPW_FLAG_SCANNING | IPW_FLAG_HACK; 2131172567Sthompsa 2132172567Sthompsa /* NB: IPW_SCAN_DO_NOT_ASSOCIATE does not work (we set it anyway) */ 2133172567Sthompsa error = ipw_setscanopts(sc, 0x3fff, IPW_SCAN_DO_NOT_ASSOCIATE); 2134172567Sthompsa if (error != 0) 2135172567Sthompsa goto done; 2136172567Sthompsa 2137172567Sthompsa /* 2138172567Sthompsa * Setup null/bogus ssid so firmware doesn't use any previous 2139172567Sthompsa * ssid to try and associate. This is because the ``don't 2140172567Sthompsa * associate'' option bit is broken (sigh). 2141172567Sthompsa */ 2142172567Sthompsa error = ipw_setssid(sc, NULL, 0); 2143172567Sthompsa if (error != 0) 2144172567Sthompsa goto done; 2145172567Sthompsa 2146172567Sthompsa /* 2147172567Sthompsa * NB: the adapter may be disabled on association lost; 2148172567Sthompsa * if so just re-enable it to kick off scanning. 2149172567Sthompsa */ 2150172567Sthompsa DPRINTF(("Starting scan\n")); 2151172567Sthompsa sc->sc_scan_timer = 3; 2152172567Sthompsa if (sc->flags & IPW_FLAG_ENABLED) { 2153172567Sthompsa params = 0; /* XXX? */ 2154172567Sthompsa error = ipw_cmd(sc, IPW_CMD_BROADCAST_SCAN, 2155172567Sthompsa ¶ms, sizeof(params)); 2156172567Sthompsa } else 2157172567Sthompsa error = ipw_enable(sc); 2158172567Sthompsadone: 2159172567Sthompsa if (error != 0) { 2160172567Sthompsa DPRINTF(("Scan failed\n")); 2161172567Sthompsa sc->flags &= ~(IPW_FLAG_SCANNING | IPW_FLAG_HACK); 2162172567Sthompsa } 2163172567Sthompsa return (error); 2164172567Sthompsa} 2165172567Sthompsa 2166172567Sthompsastatic int 2167172567Sthompsaipw_setchannel(struct ipw_softc *sc, struct ieee80211_channel *chan) 2168172567Sthompsa{ 2169172567Sthompsa struct ieee80211com *ic = &sc->sc_ic; 2170172567Sthompsa uint32_t data; 2171172567Sthompsa int error; 2172172567Sthompsa 2173172567Sthompsa data = htole32(ieee80211_chan2ieee(ic, chan)); 2174172567Sthompsa DPRINTF(("Setting channel to %u\n", le32toh(data))); 2175172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_CHANNEL, &data, sizeof data); 2176172567Sthompsa if (error == 0) 2177172567Sthompsa ipw_setcurchan(sc, chan); 2178172567Sthompsa return error; 2179172567Sthompsa} 2180172567Sthompsa 2181172567Sthompsastatic int 2182145247Sdamienipw_config(struct ipw_softc *sc) 2183145247Sdamien{ 2184145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 2185145247Sdamien struct ifnet *ifp = ic->ic_ifp; 2186145247Sdamien struct ipw_security security; 2187145247Sdamien struct ipw_configuration config; 2188145247Sdamien uint32_t data; 2189172567Sthompsa int error; 2190145247Sdamien 2191172567Sthompsa error = ipw_disable(sc); 2192172567Sthompsa if (error != 0) 2193172567Sthompsa return error; 2194172567Sthompsa 2195145247Sdamien switch (ic->ic_opmode) { 2196145247Sdamien case IEEE80211_M_STA: 2197145247Sdamien case IEEE80211_M_HOSTAP: 2198170530Ssam case IEEE80211_M_WDS: /* XXX */ 2199145247Sdamien data = htole32(IPW_MODE_BSS); 2200145247Sdamien break; 2201145247Sdamien case IEEE80211_M_IBSS: 2202145247Sdamien case IEEE80211_M_AHDEMO: 2203145247Sdamien data = htole32(IPW_MODE_IBSS); 2204145247Sdamien break; 2205145247Sdamien case IEEE80211_M_MONITOR: 2206145247Sdamien data = htole32(IPW_MODE_MONITOR); 2207145247Sdamien break; 2208145247Sdamien } 2209145247Sdamien DPRINTF(("Setting mode to %u\n", le32toh(data))); 2210145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_MODE, &data, sizeof data); 2211145247Sdamien if (error != 0) 2212145247Sdamien return error; 2213145247Sdamien 2214145247Sdamien if (ic->ic_opmode == IEEE80211_M_IBSS || 2215145247Sdamien ic->ic_opmode == IEEE80211_M_MONITOR) { 2216172567Sthompsa error = ipw_setchannel(sc, ic->ic_curchan); 2217145247Sdamien if (error != 0) 2218145247Sdamien return error; 2219145247Sdamien } 2220145247Sdamien 2221172567Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) 2222172567Sthompsa return ipw_enable(sc); 2223145247Sdamien 2224145247Sdamien IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp)); 2225145247Sdamien DPRINTF(("Setting MAC address to %6D\n", ic->ic_myaddr, ":")); 2226145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_MAC_ADDRESS, ic->ic_myaddr, 2227145247Sdamien IEEE80211_ADDR_LEN); 2228145247Sdamien if (error != 0) 2229145247Sdamien return error; 2230145247Sdamien 2231145247Sdamien config.flags = htole32(IPW_CFG_BSS_MASK | IPW_CFG_IBSS_MASK | 2232145247Sdamien IPW_CFG_PREAMBLE_AUTO | IPW_CFG_802_1x_ENABLE); 2233145247Sdamien if (ic->ic_opmode == IEEE80211_M_IBSS) 2234145247Sdamien config.flags |= htole32(IPW_CFG_IBSS_AUTO_START); 2235145247Sdamien if (ifp->if_flags & IFF_PROMISC) 2236145247Sdamien config.flags |= htole32(IPW_CFG_PROMISCUOUS); 2237145247Sdamien config.bss_chan = htole32(0x3fff); /* channels 1-14 */ 2238145247Sdamien config.ibss_chan = htole32(0x7ff); /* channels 1-11 */ 2239145247Sdamien DPRINTF(("Setting configuration to 0x%x\n", le32toh(config.flags))); 2240145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_CONFIGURATION, &config, sizeof config); 2241145247Sdamien if (error != 0) 2242145247Sdamien return error; 2243145247Sdamien 2244145247Sdamien data = htole32(0x3); /* 1, 2 */ 2245145247Sdamien DPRINTF(("Setting basic tx rates to 0x%x\n", le32toh(data))); 2246145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_BASIC_TX_RATES, &data, sizeof data); 2247145247Sdamien if (error != 0) 2248145247Sdamien return error; 2249145247Sdamien 2250172567Sthompsa /* NB: use the same rate set */ 2251172567Sthompsa DPRINTF(("Setting msdu tx rates to 0x%x\n", le32toh(data))); 2252172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_MSDU_TX_RATES, &data, sizeof data); 2253172567Sthompsa if (error != 0) 2254172567Sthompsa return error; 2255172567Sthompsa 2256145247Sdamien data = htole32(0xf); /* 1, 2, 5.5, 11 */ 2257145247Sdamien DPRINTF(("Setting tx rates to 0x%x\n", le32toh(data))); 2258145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_TX_RATES, &data, sizeof data); 2259145247Sdamien if (error != 0) 2260145247Sdamien return error; 2261145247Sdamien 2262145247Sdamien data = htole32(IPW_POWER_MODE_CAM); 2263145247Sdamien DPRINTF(("Setting power mode to %u\n", le32toh(data))); 2264145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_POWER_MODE, &data, sizeof data); 2265145247Sdamien if (error != 0) 2266145247Sdamien return error; 2267145247Sdamien 2268145247Sdamien if (ic->ic_opmode == IEEE80211_M_IBSS) { 2269145247Sdamien data = htole32(32); /* default value */ 2270145247Sdamien DPRINTF(("Setting tx power index to %u\n", le32toh(data))); 2271145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_TX_POWER_INDEX, &data, 2272145247Sdamien sizeof data); 2273145247Sdamien if (error != 0) 2274145247Sdamien return error; 2275145247Sdamien } 2276145247Sdamien 2277145247Sdamien data = htole32(ic->ic_rtsthreshold); 2278145247Sdamien DPRINTF(("Setting RTS threshold to %u\n", le32toh(data))); 2279145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_RTS_THRESHOLD, &data, sizeof data); 2280145247Sdamien if (error != 0) 2281145247Sdamien return error; 2282145247Sdamien 2283145247Sdamien data = htole32(ic->ic_fragthreshold); 2284145247Sdamien DPRINTF(("Setting frag threshold to %u\n", le32toh(data))); 2285145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_FRAG_THRESHOLD, &data, sizeof data); 2286145247Sdamien if (error != 0) 2287145247Sdamien return error; 2288145247Sdamien 2289172567Sthompsa error = ipw_setssid(sc, ic->ic_des_ssid[0].ssid, ic->ic_des_ssid[0].len); 2290145247Sdamien if (error != 0) 2291145247Sdamien return error; 2292145247Sdamien 2293172567Sthompsa error = ipw_setbssid(sc, NULL); 2294145247Sdamien if (error != 0) 2295145247Sdamien return error; 2296145247Sdamien 2297145247Sdamien if (ic->ic_flags & IEEE80211_F_DESBSSID) { 2298145247Sdamien DPRINTF(("Setting desired BSSID to %6D\n", ic->ic_des_bssid, 2299145247Sdamien ":")); 2300145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_DESIRED_BSSID, 2301145247Sdamien ic->ic_des_bssid, IEEE80211_ADDR_LEN); 2302145247Sdamien if (error != 0) 2303145247Sdamien return error; 2304145247Sdamien } 2305145247Sdamien 2306152637Sdamien memset(&security, 0, sizeof security); 2307145247Sdamien security.authmode = (ic->ic_bss->ni_authmode == IEEE80211_AUTH_SHARED) ? 2308145247Sdamien IPW_AUTH_SHARED : IPW_AUTH_OPEN; 2309145247Sdamien security.ciphers = htole32(IPW_CIPHER_NONE); 2310145247Sdamien DPRINTF(("Setting authmode to %u\n", security.authmode)); 2311172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_SECURITY_INFO, &security, 2312145247Sdamien sizeof security); 2313145247Sdamien if (error != 0) 2314145247Sdamien return error; 2315145247Sdamien 2316145247Sdamien if (ic->ic_flags & IEEE80211_F_PRIVACY) { 2317172567Sthompsa error = ipw_setwepkeys(sc); 2318172567Sthompsa if (error != 0) 2319172567Sthompsa return error; 2320145247Sdamien 2321172567Sthompsa if (ic->ic_crypto.cs_def_txkey != IEEE80211_KEYIX_NONE) { 2322172567Sthompsa data = htole32(ic->ic_crypto.cs_def_txkey); 2323172567Sthompsa DPRINTF(("Setting wep tx key index to %u\n", 2324172567Sthompsa le32toh(data))); 2325172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY_INDEX, &data, 2326172567Sthompsa sizeof data); 2327145247Sdamien if (error != 0) 2328145247Sdamien return error; 2329145247Sdamien } 2330145247Sdamien } 2331145247Sdamien 2332145247Sdamien data = htole32((ic->ic_flags & IEEE80211_F_PRIVACY) ? IPW_WEPON : 0); 2333145247Sdamien DPRINTF(("Setting wep flags to 0x%x\n", le32toh(data))); 2334145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_WEP_FLAGS, &data, sizeof data); 2335145247Sdamien if (error != 0) 2336145247Sdamien return error; 2337145247Sdamien 2338172567Sthompsa if (ic->ic_opt_ie != NULL) { 2339172567Sthompsa error = ipw_setwpaie(sc, ic->ic_opt_ie, ic->ic_opt_ie_len); 2340172567Sthompsa if (error != 0) 2341172567Sthompsa return error; 2342172567Sthompsa } 2343145247Sdamien 2344145247Sdamien if (ic->ic_opmode == IEEE80211_M_IBSS) { 2345148843Ssam data = htole32(ic->ic_bintval); 2346145247Sdamien DPRINTF(("Setting beacon interval to %u\n", le32toh(data))); 2347145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_BEACON_INTERVAL, &data, 2348145247Sdamien sizeof data); 2349145247Sdamien if (error != 0) 2350145247Sdamien return error; 2351145247Sdamien } 2352145247Sdamien 2353172567Sthompsa error = ipw_setscanopts(sc, 0x3fff, 0); 2354145247Sdamien if (error != 0) 2355145247Sdamien return error; 2356145247Sdamien 2357172567Sthompsa return (ipw_enable(sc)); 2358145247Sdamien} 2359145247Sdamien 2360156599Sdamien/* 2361172567Sthompsa * Handler for sc_assoc_task. This is a simple wrapper around 2362172567Sthompsa * ipw_auth_and_assoc(). 2363172567Sthompsa */ 2364172567Sthompsastatic void 2365172567Sthompsaipw_assoc_task(void *context, int pending) 2366172567Sthompsa{ 2367172567Sthompsa struct ipw_softc *sc = context; 2368172567Sthompsa IPW_LOCK_DECL; 2369172567Sthompsa 2370172567Sthompsa IPW_LOCK(sc); 2371172567Sthompsa ipw_auth_and_assoc(sc); 2372172567Sthompsa IPW_UNLOCK(sc); 2373172567Sthompsa} 2374172567Sthompsa 2375172567Sthompsastatic int 2376172567Sthompsaipw_auth_and_assoc(struct ipw_softc *sc) 2377172567Sthompsa{ 2378172567Sthompsa struct ieee80211com *ic = &sc->sc_ic; 2379172567Sthompsa struct ieee80211_node *ni = ic->ic_bss; 2380172567Sthompsa struct ipw_security security; 2381172567Sthompsa uint32_t data; 2382172567Sthompsa int error; 2383172567Sthompsa 2384172567Sthompsa error = ipw_disable(sc); 2385172567Sthompsa if (error != 0) 2386172567Sthompsa return (error); 2387172567Sthompsa 2388172567Sthompsa memset(&security, 0, sizeof security); 2389172567Sthompsa security.authmode = (ni->ni_authmode == IEEE80211_AUTH_SHARED) ? 2390172567Sthompsa IPW_AUTH_SHARED : IPW_AUTH_OPEN; 2391172567Sthompsa security.ciphers = htole32(IPW_CIPHER_NONE); 2392172567Sthompsa DPRINTF(("Setting authmode to %u\n", security.authmode)); 2393172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_SECURITY_INFO, &security, 2394172567Sthompsa sizeof security); 2395172567Sthompsa if (error != 0) 2396172567Sthompsa return (error); 2397172567Sthompsa 2398172567Sthompsa if (ic->ic_flags & IEEE80211_F_PRIVACY) { 2399172567Sthompsa error = ipw_setwepkeys(sc); 2400172567Sthompsa if (error != 0) 2401172567Sthompsa return error; 2402172567Sthompsa 2403172567Sthompsa if (ic->ic_crypto.cs_def_txkey != IEEE80211_KEYIX_NONE) { 2404172567Sthompsa data = htole32(ic->ic_crypto.cs_def_txkey); 2405172567Sthompsa DPRINTF(("Setting wep tx key index to %u\n", 2406172567Sthompsa le32toh(data))); 2407172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY_INDEX, &data, 2408172567Sthompsa sizeof data); 2409172567Sthompsa if (error != 0) 2410172567Sthompsa return error; 2411172567Sthompsa } 2412172567Sthompsa } 2413172567Sthompsa 2414172567Sthompsa data = htole32((ic->ic_flags & IEEE80211_F_PRIVACY) ? IPW_WEPON : 0); 2415172567Sthompsa DPRINTF(("Setting wep flags to 0x%x\n", le32toh(data))); 2416172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_FLAGS, &data, sizeof data); 2417172567Sthompsa if (error != 0) 2418172567Sthompsa return error; 2419172567Sthompsa 2420172567Sthompsa error = ipw_setssid(sc, ni->ni_essid, ni->ni_esslen); 2421172567Sthompsa if (error != 0) 2422172567Sthompsa return (error); 2423172567Sthompsa 2424172567Sthompsa error = ipw_setbssid(sc, ni->ni_bssid); 2425172567Sthompsa if (error != 0) 2426172567Sthompsa return (error); 2427172567Sthompsa 2428172567Sthompsa if (ic->ic_opt_ie != NULL) { 2429172567Sthompsa error = ipw_setwpaie(sc, ic->ic_opt_ie, ic->ic_opt_ie_len); 2430172567Sthompsa if (error != 0) 2431172567Sthompsa return error; 2432172567Sthompsa } 2433172567Sthompsa if (ic->ic_opmode == IEEE80211_M_IBSS) { 2434172567Sthompsa error = ipw_setchannel(sc, ni->ni_chan); 2435172567Sthompsa if (error != 0) 2436172567Sthompsa return (error); 2437172567Sthompsa } 2438172567Sthompsa 2439172567Sthompsa /* lock scan to ap's channel and enable associate */ 2440172567Sthompsa error = ipw_setscanopts(sc, 2441172567Sthompsa 1<<(ieee80211_chan2ieee(ic, ni->ni_chan)-1), 0); 2442172567Sthompsa 2443172567Sthompsa return ipw_enable(sc); /* finally, enable adapter */ 2444172567Sthompsa} 2445172567Sthompsa 2446172567Sthompsa/* 2447172567Sthompsa * Handler for sc_disassoc_task. This is a simple wrapper around 2448172567Sthompsa * ipw_disassociate(). 2449172567Sthompsa */ 2450172567Sthompsastatic void 2451172567Sthompsaipw_disassoc_task(void *context, int pending) 2452172567Sthompsa{ 2453172567Sthompsa struct ipw_softc *sc = context; 2454172567Sthompsa IPW_LOCK_DECL; 2455172567Sthompsa 2456172567Sthompsa IPW_LOCK(sc); 2457172567Sthompsa ipw_disassociate(sc); 2458172567Sthompsa IPW_UNLOCK(sc); 2459172567Sthompsa} 2460172567Sthompsa 2461172567Sthompsastatic int 2462172567Sthompsaipw_disassociate(struct ipw_softc *sc) 2463172567Sthompsa{ 2464172567Sthompsa struct ieee80211com *ic = &sc->sc_ic; 2465172567Sthompsa struct ieee80211_node *ni = ic->ic_bss; 2466172567Sthompsa 2467172567Sthompsa DPRINTF(("Disassociate from %6D\n", ni->ni_bssid, ":")); 2468172567Sthompsa 2469172567Sthompsa /* 2470172567Sthompsa * NB: don't try to do this if ipw_stop_master has 2471172567Sthompsa * shutdown the firmware and disabled interrupts. 2472172567Sthompsa */ 2473172567Sthompsa if (!(sc->flags & IPW_FLAG_FW_INITED)) 2474172567Sthompsa return (0); 2475172567Sthompsa 2476172567Sthompsa sc->flags &= ~IPW_FLAG_ASSOCIATED; 2477172567Sthompsa /* 2478172567Sthompsa * NB: firmware currently ignores bssid parameter, but 2479172567Sthompsa * supply it in case this changes (follow linux driver). 2480172567Sthompsa */ 2481172567Sthompsa return ipw_cmd(sc, IPW_CMD_DISASSOCIATE, 2482172567Sthompsa ni->ni_bssid, IEEE80211_ADDR_LEN); 2483172567Sthompsa} 2484172567Sthompsa 2485172567Sthompsa/* 2486156599Sdamien * Handler for sc_init_task. This is a simple wrapper around ipw_init(). 2487156599Sdamien * It is called on firmware panics or on watchdog timeouts. 2488156599Sdamien */ 2489145247Sdamienstatic void 2490156599Sdamienipw_init_task(void *context, int pending) 2491156599Sdamien{ 2492156599Sdamien ipw_init(context); 2493156599Sdamien} 2494156599Sdamien 2495156599Sdamienstatic void 2496145247Sdamienipw_init(void *priv) 2497145247Sdamien{ 2498145247Sdamien struct ipw_softc *sc = priv; 2499172567Sthompsa IPW_LOCK_DECL; 2500172567Sthompsa 2501172567Sthompsa IPW_LOCK(sc); 2502172567Sthompsa ipw_init_locked(sc, 0); 2503172567Sthompsa IPW_UNLOCK(sc); 2504172567Sthompsa} 2505172567Sthompsa 2506172567Sthompsastatic void 2507172567Sthompsaipw_init_locked(struct ipw_softc *sc, int force) 2508172567Sthompsa{ 2509145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 2510145247Sdamien struct ifnet *ifp = ic->ic_ifp; 2511166756Sluigi const struct firmware *fp; 2512156599Sdamien const struct ipw_firmware_hdr *hdr; 2513156599Sdamien const char *imagename, *fw; 2514172567Sthompsa IPW_LOCK_DECL; 2515145247Sdamien 2516172567Sthompsa IPW_LOCK_ASSERT(sc); 2517156599Sdamien 2518172567Sthompsa DPRINTF(("%s: state %s flags 0x%x\n", __func__, 2519172567Sthompsa ieee80211_state_name[ic->ic_state], sc->flags)); 2520172567Sthompsa 2521156599Sdamien /* 2522156599Sdamien * Avoid re-entrant calls. We need to release the mutex in ipw_init() 2523156599Sdamien * when loading the firmware and we don't want to be called during this 2524156599Sdamien * operation. 2525156599Sdamien */ 2526172567Sthompsa if (sc->flags & IPW_FLAG_INIT_LOCKED) 2527145247Sdamien return; 2528156599Sdamien sc->flags |= IPW_FLAG_INIT_LOCKED; 2529145247Sdamien 2530172567Sthompsa ipw_stop_locked(sc); 2531145247Sdamien 2532145247Sdamien if (ipw_reset(sc) != 0) { 2533145247Sdamien device_printf(sc->sc_dev, "could not reset adapter\n"); 2534156599Sdamien goto fail1; 2535145247Sdamien } 2536145247Sdamien 2537156599Sdamien switch (ic->ic_opmode) { 2538156599Sdamien case IEEE80211_M_STA: 2539156599Sdamien imagename = "ipw_bss"; 2540156599Sdamien break; 2541156599Sdamien case IEEE80211_M_IBSS: 2542156599Sdamien imagename = "ipw_ibss"; 2543156599Sdamien break; 2544156599Sdamien case IEEE80211_M_MONITOR: 2545156599Sdamien imagename = "ipw_monitor"; 2546156599Sdamien break; 2547156599Sdamien default: 2548156599Sdamien imagename = NULL; /* should not get there */ 2549156599Sdamien } 2550156599Sdamien 2551156599Sdamien /* 2552156599Sdamien * Load firmware image using the firmware(9) subsystem. We need to 2553156599Sdamien * release the driver's lock first. 2554156599Sdamien */ 2555159487Siedowse if (sc->sc_firmware == NULL || strcmp(sc->sc_firmware->name, 2556159487Siedowse imagename) != 0) { 2557172567Sthompsa IPW_UNLOCK(sc); 2558159487Siedowse if (sc->sc_firmware != NULL) 2559159487Siedowse firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 2560159487Siedowse sc->sc_firmware = firmware_get(imagename); 2561172567Sthompsa IPW_LOCK(sc); 2562159487Siedowse } 2563156599Sdamien 2564159487Siedowse if (sc->sc_firmware == NULL) { 2565156599Sdamien device_printf(sc->sc_dev, 2566156599Sdamien "could not load firmware image '%s'\n", imagename); 2567156599Sdamien goto fail1; 2568156599Sdamien } 2569156599Sdamien 2570159487Siedowse fp = sc->sc_firmware; 2571156599Sdamien if (fp->datasize < sizeof *hdr) { 2572156599Sdamien device_printf(sc->sc_dev, 2573156599Sdamien "firmware image too short %zu\n", fp->datasize); 2574156599Sdamien goto fail2; 2575156599Sdamien } 2576156599Sdamien 2577156599Sdamien hdr = (const struct ipw_firmware_hdr *)fp->data; 2578156599Sdamien 2579156599Sdamien if (fp->datasize < sizeof *hdr + le32toh(hdr->mainsz) + 2580156599Sdamien le32toh(hdr->ucodesz)) { 2581156599Sdamien device_printf(sc->sc_dev, 2582156599Sdamien "firmware image too short %zu\n", fp->datasize); 2583156599Sdamien goto fail2; 2584156599Sdamien } 2585156599Sdamien 2586172567Sthompsa DPRINTF(("Loading firmware image '%s'\n", imagename)); 2587156599Sdamien fw = (const char *)fp->data + sizeof *hdr + le32toh(hdr->mainsz); 2588156599Sdamien if (ipw_load_ucode(sc, fw, le32toh(hdr->ucodesz)) != 0) { 2589145247Sdamien device_printf(sc->sc_dev, "could not load microcode\n"); 2590156599Sdamien goto fail2; 2591145247Sdamien } 2592145247Sdamien 2593145247Sdamien ipw_stop_master(sc); 2594145247Sdamien 2595145247Sdamien /* 2596145247Sdamien * Setup tx, rx and status rings. 2597145247Sdamien */ 2598145247Sdamien sc->txold = IPW_NTBD - 1; 2599145247Sdamien sc->txcur = 0; 2600145247Sdamien sc->txfree = IPW_NTBD - 2; 2601145247Sdamien sc->rxcur = IPW_NRBD - 1; 2602145247Sdamien 2603145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_BASE, sc->tbd_phys); 2604145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_SIZE, IPW_NTBD); 2605145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_READ, 0); 2606145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 2607145247Sdamien 2608145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_BASE, sc->rbd_phys); 2609145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_SIZE, IPW_NRBD); 2610145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_READ, 0); 2611145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_WRITE, sc->rxcur); 2612145247Sdamien 2613145247Sdamien CSR_WRITE_4(sc, IPW_CSR_STATUS_BASE, sc->status_phys); 2614145247Sdamien 2615156599Sdamien fw = (const char *)fp->data + sizeof *hdr; 2616156599Sdamien if (ipw_load_firmware(sc, fw, le32toh(hdr->mainsz)) != 0) { 2617145247Sdamien device_printf(sc->sc_dev, "could not load firmware\n"); 2618156599Sdamien goto fail2; 2619145247Sdamien } 2620145247Sdamien 2621145247Sdamien sc->flags |= IPW_FLAG_FW_INITED; 2622145247Sdamien 2623145247Sdamien /* retrieve information tables base addresses */ 2624145247Sdamien sc->table1_base = CSR_READ_4(sc, IPW_CSR_TABLE1_BASE); 2625145247Sdamien sc->table2_base = CSR_READ_4(sc, IPW_CSR_TABLE2_BASE); 2626145247Sdamien 2627145247Sdamien ipw_write_table1(sc, IPW_INFO_LOCK, 0); 2628145247Sdamien 2629145247Sdamien if (ipw_config(sc) != 0) { 2630145247Sdamien device_printf(sc->sc_dev, "device configuration failed\n"); 2631156599Sdamien goto fail1; 2632145247Sdamien } 2633145247Sdamien 2634172567Sthompsa if (ic->ic_opmode != IEEE80211_M_MONITOR) { 2635172567Sthompsa /* 2636172567Sthompsa * NB: When restarting the adapter clock the state 2637172567Sthompsa * machine regardless of the roaming mode; otherwise 2638172567Sthompsa * we need to notify user apps so they can manually 2639172567Sthompsa * get us going again. 2640172567Sthompsa */ 2641172567Sthompsa if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL || force) 2642172567Sthompsa ieee80211_new_state(ic, IEEE80211_S_SCAN, 0); 2643172567Sthompsa } else 2644172567Sthompsa ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 2645172567Sthompsa 2646172567Sthompsa callout_reset(&sc->sc_wdtimer, hz, ipw_watchdog, sc); 2647148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2648148887Srwatson ifp->if_drv_flags |= IFF_DRV_RUNNING; 2649145247Sdamien 2650156599Sdamien sc->flags &=~ IPW_FLAG_INIT_LOCKED; 2651145247Sdamien return; 2652145247Sdamien 2653156599Sdamienfail2: firmware_put(fp, FIRMWARE_UNLOAD); 2654159487Siedowse sc->sc_firmware = NULL; 2655156599Sdamienfail1: ifp->if_flags &= ~IFF_UP; 2656172567Sthompsa ipw_stop_locked(sc); 2657156599Sdamien sc->flags &=~ IPW_FLAG_INIT_LOCKED; 2658145247Sdamien} 2659145247Sdamien 2660145247Sdamienstatic void 2661145247Sdamienipw_stop(void *priv) 2662145247Sdamien{ 2663145247Sdamien struct ipw_softc *sc = priv; 2664172567Sthompsa IPW_LOCK_DECL; 2665172567Sthompsa 2666172567Sthompsa IPW_LOCK(sc); 2667172567Sthompsa ipw_stop_locked(sc); 2668172567Sthompsa IPW_UNLOCK(sc); 2669172567Sthompsa} 2670172567Sthompsa 2671172567Sthompsastatic void 2672172567Sthompsaipw_stop_locked(struct ipw_softc *sc) 2673172567Sthompsa{ 2674145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 2675145247Sdamien struct ifnet *ifp = ic->ic_ifp; 2676145247Sdamien int i; 2677145247Sdamien 2678172567Sthompsa IPW_LOCK_ASSERT(sc); 2679156599Sdamien 2680156599Sdamien ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 2681156599Sdamien 2682172567Sthompsa callout_stop(&sc->sc_wdtimer); 2683145247Sdamien ipw_stop_master(sc); 2684145247Sdamien 2685145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_SW_RESET); 2686145247Sdamien 2687145247Sdamien /* 2688145247Sdamien * Release tx buffers. 2689145247Sdamien */ 2690145247Sdamien for (i = 0; i < IPW_NTBD; i++) 2691145247Sdamien ipw_release_sbd(sc, &sc->stbd_list[i]); 2692145247Sdamien 2693145247Sdamien sc->sc_tx_timer = 0; 2694148887Srwatson ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 2695145247Sdamien} 2696145247Sdamien 2697145247Sdamienstatic int 2698145247Sdamienipw_sysctl_stats(SYSCTL_HANDLER_ARGS) 2699145247Sdamien{ 2700145247Sdamien struct ipw_softc *sc = arg1; 2701145247Sdamien uint32_t i, size, buf[256]; 2702145247Sdamien 2703145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) { 2704152637Sdamien memset(buf, 0, sizeof buf); 2705145247Sdamien return SYSCTL_OUT(req, buf, sizeof buf); 2706145247Sdamien } 2707145247Sdamien 2708145247Sdamien CSR_WRITE_4(sc, IPW_CSR_AUTOINC_ADDR, sc->table1_base); 2709145247Sdamien 2710145247Sdamien size = min(CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA), 256); 2711145247Sdamien for (i = 1; i < size; i++) 2712145247Sdamien buf[i] = MEM_READ_4(sc, CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA)); 2713145247Sdamien 2714145247Sdamien return SYSCTL_OUT(req, buf, sizeof buf); 2715145247Sdamien} 2716145247Sdamien 2717145247Sdamienstatic int 2718145247Sdamienipw_sysctl_radio(SYSCTL_HANDLER_ARGS) 2719145247Sdamien{ 2720145247Sdamien struct ipw_softc *sc = arg1; 2721145247Sdamien int val; 2722145247Sdamien 2723145247Sdamien val = !((sc->flags & IPW_FLAG_HAS_RADIO_SWITCH) && 2724145247Sdamien (CSR_READ_4(sc, IPW_CSR_IO) & IPW_IO_RADIO_DISABLED)); 2725145247Sdamien 2726145247Sdamien return SYSCTL_OUT(req, &val, sizeof val); 2727145247Sdamien} 2728145247Sdamien 2729145247Sdamienstatic uint32_t 2730145247Sdamienipw_read_table1(struct ipw_softc *sc, uint32_t off) 2731145247Sdamien{ 2732145247Sdamien return MEM_READ_4(sc, MEM_READ_4(sc, sc->table1_base + off)); 2733145247Sdamien} 2734145247Sdamien 2735145247Sdamienstatic void 2736145247Sdamienipw_write_table1(struct ipw_softc *sc, uint32_t off, uint32_t info) 2737145247Sdamien{ 2738145247Sdamien MEM_WRITE_4(sc, MEM_READ_4(sc, sc->table1_base + off), info); 2739145247Sdamien} 2740145247Sdamien 2741172567Sthompsa#if 0 2742145247Sdamienstatic int 2743145247Sdamienipw_read_table2(struct ipw_softc *sc, uint32_t off, void *buf, uint32_t *len) 2744145247Sdamien{ 2745145247Sdamien uint32_t addr, info; 2746145247Sdamien uint16_t count, size; 2747145247Sdamien uint32_t total; 2748145247Sdamien 2749145247Sdamien /* addr[4] + count[2] + size[2] */ 2750145247Sdamien addr = MEM_READ_4(sc, sc->table2_base + off); 2751145247Sdamien info = MEM_READ_4(sc, sc->table2_base + off + 4); 2752145247Sdamien 2753145247Sdamien count = info >> 16; 2754145247Sdamien size = info & 0xffff; 2755145247Sdamien total = count * size; 2756145247Sdamien 2757145247Sdamien if (total > *len) { 2758145247Sdamien *len = total; 2759145247Sdamien return EINVAL; 2760145247Sdamien } 2761145247Sdamien 2762145247Sdamien *len = total; 2763145247Sdamien ipw_read_mem_1(sc, addr, buf, total); 2764145247Sdamien 2765145247Sdamien return 0; 2766145247Sdamien} 2767145247Sdamien 2768145247Sdamienstatic void 2769145247Sdamienipw_read_mem_1(struct ipw_softc *sc, bus_size_t offset, uint8_t *datap, 2770145247Sdamien bus_size_t count) 2771145247Sdamien{ 2772145247Sdamien for (; count > 0; offset++, datap++, count--) { 2773145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INDIRECT_ADDR, offset & ~3); 2774145247Sdamien *datap = CSR_READ_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3)); 2775145247Sdamien } 2776145247Sdamien} 2777172567Sthompsa#endif 2778145247Sdamien 2779145247Sdamienstatic void 2780156599Sdamienipw_write_mem_1(struct ipw_softc *sc, bus_size_t offset, const uint8_t *datap, 2781145247Sdamien bus_size_t count) 2782145247Sdamien{ 2783145247Sdamien for (; count > 0; offset++, datap++, count--) { 2784145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INDIRECT_ADDR, offset & ~3); 2785145247Sdamien CSR_WRITE_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3), *datap); 2786145247Sdamien } 2787145247Sdamien} 2788172567Sthompsa 2789172567Sthompsastatic void 2790172567Sthompsaipw_scan_start(struct ieee80211com *ic) 2791172567Sthompsa{ 2792172567Sthompsa struct ifnet *ifp = ic->ic_ifp; 2793172567Sthompsa struct ipw_softc *sc = ifp->if_softc; 2794172567Sthompsa IPW_LOCK_DECL; 2795172567Sthompsa 2796172567Sthompsa IPW_LOCK(sc); 2797172567Sthompsa if (!(sc->flags & IPW_FLAG_SCANNING)) 2798172567Sthompsa taskqueue_enqueue_fast(taskqueue_fast, &sc->sc_scan_task); 2799172567Sthompsa IPW_UNLOCK(sc); 2800172567Sthompsa} 2801172567Sthompsa 2802172567Sthompsastatic void 2803172567Sthompsaipw_set_channel(struct ieee80211com *ic) 2804172567Sthompsa{ 2805172567Sthompsa struct ifnet *ifp = ic->ic_ifp; 2806172567Sthompsa struct ipw_softc *sc = ifp->if_softc; 2807172567Sthompsa IPW_LOCK_DECL; 2808172567Sthompsa 2809172567Sthompsa IPW_LOCK(sc); 2810172567Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 2811172567Sthompsa ipw_disable(sc); 2812172567Sthompsa ipw_setchannel(sc, ic->ic_curchan); 2813172567Sthompsa ipw_enable(sc); 2814172567Sthompsa } 2815172567Sthompsa IPW_UNLOCK(sc); 2816172567Sthompsa} 2817172567Sthompsa 2818172567Sthompsastatic void 2819172567Sthompsaipw_scan_curchan(struct ieee80211com *ic, unsigned long maxdwell) 2820172567Sthompsa{ 2821172567Sthompsa /* NB: all channels are scanned at once */ 2822172567Sthompsa} 2823172567Sthompsa 2824172567Sthompsastatic void 2825172567Sthompsaipw_scan_mindwell(struct ieee80211com *ic) 2826172567Sthompsa{ 2827172567Sthompsa /* NB: don't try to abort scan; wait for firmware to finish */ 2828172567Sthompsa} 2829172567Sthompsa 2830172567Sthompsastatic void 2831172567Sthompsaipw_scan_end(struct ieee80211com *ic) 2832172567Sthompsa{ 2833172567Sthompsa struct ifnet *ifp = ic->ic_ifp; 2834172567Sthompsa struct ipw_softc *sc = ifp->if_softc; 2835172567Sthompsa IPW_LOCK_DECL; 2836172567Sthompsa 2837172567Sthompsa IPW_LOCK(sc); 2838172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 2839172567Sthompsa IPW_UNLOCK(sc); 2840172567Sthompsa} 2841