if_ipw.c revision 172058
1145247Sdamien/* $FreeBSD: head/sys/dev/ipw/if_ipw.c 172058 2007-09-05 21:31:32Z sam $ */ 2145247Sdamien 3145247Sdamien/*- 4156599Sdamien * Copyright (c) 2004-2006 5145247Sdamien * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved. 6145247Sdamien * 7145247Sdamien * Redistribution and use in source and binary forms, with or without 8145247Sdamien * modification, are permitted provided that the following conditions 9145247Sdamien * are met: 10145247Sdamien * 1. Redistributions of source code must retain the above copyright 11145247Sdamien * notice unmodified, this list of conditions, and the following 12145247Sdamien * disclaimer. 13145247Sdamien * 2. Redistributions in binary form must reproduce the above copyright 14145247Sdamien * notice, this list of conditions and the following disclaimer in the 15145247Sdamien * documentation and/or other materials provided with the distribution. 16145247Sdamien * 17145247Sdamien * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18145247Sdamien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19145247Sdamien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20145247Sdamien * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21145247Sdamien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22145247Sdamien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23145247Sdamien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24145247Sdamien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25145247Sdamien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26145247Sdamien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27145247Sdamien * SUCH DAMAGE. 28145247Sdamien */ 29145247Sdamien 30145247Sdamien#include <sys/cdefs.h> 31145247Sdamien__FBSDID("$FreeBSD: head/sys/dev/ipw/if_ipw.c 172058 2007-09-05 21:31:32Z sam $"); 32145247Sdamien 33145247Sdamien/*- 34145247Sdamien * Intel(R) PRO/Wireless 2100 MiniPCI driver 35145247Sdamien * http://www.intel.com/network/connectivity/products/wireless/prowireless_mobile.htm 36145247Sdamien */ 37145247Sdamien 38145247Sdamien#include <sys/param.h> 39145247Sdamien#include <sys/sysctl.h> 40145247Sdamien#include <sys/sockio.h> 41145247Sdamien#include <sys/mbuf.h> 42145247Sdamien#include <sys/kernel.h> 43145247Sdamien#include <sys/socket.h> 44145247Sdamien#include <sys/systm.h> 45145247Sdamien#include <sys/malloc.h> 46156599Sdamien#include <sys/queue.h> 47156599Sdamien#include <sys/taskqueue.h> 48145247Sdamien#include <sys/module.h> 49145247Sdamien#include <sys/bus.h> 50145247Sdamien#include <sys/endian.h> 51156599Sdamien#include <sys/linker.h> 52156599Sdamien#include <sys/firmware.h> 53145247Sdamien 54145247Sdamien#include <machine/bus.h> 55145247Sdamien#include <machine/resource.h> 56145247Sdamien#include <sys/rman.h> 57145247Sdamien 58145247Sdamien#include <dev/pci/pcireg.h> 59145247Sdamien#include <dev/pci/pcivar.h> 60145247Sdamien 61145247Sdamien#include <net/bpf.h> 62145247Sdamien#include <net/if.h> 63145247Sdamien#include <net/if_arp.h> 64145247Sdamien#include <net/ethernet.h> 65145247Sdamien#include <net/if_dl.h> 66145247Sdamien#include <net/if_media.h> 67145247Sdamien#include <net/if_types.h> 68145247Sdamien 69156599Sdamien#include <net80211/ieee80211_var.h> 70156599Sdamien#include <net80211/ieee80211_radiotap.h> 71156599Sdamien 72145247Sdamien#include <netinet/in.h> 73145247Sdamien#include <netinet/in_systm.h> 74145247Sdamien#include <netinet/in_var.h> 75145247Sdamien#include <netinet/ip.h> 76145247Sdamien#include <netinet/if_ether.h> 77145247Sdamien 78145247Sdamien#include <dev/ipw/if_ipwreg.h> 79145247Sdamien#include <dev/ipw/if_ipwvar.h> 80145247Sdamien 81145247Sdamien#ifdef IPW_DEBUG 82145247Sdamien#define DPRINTF(x) do { if (ipw_debug > 0) printf x; } while (0) 83145247Sdamien#define DPRINTFN(n, x) do { if (ipw_debug >= (n)) printf x; } while (0) 84145247Sdamienint ipw_debug = 0; 85145247SdamienSYSCTL_INT(_debug, OID_AUTO, ipw, CTLFLAG_RW, &ipw_debug, 0, "ipw debug level"); 86145247Sdamien#else 87145247Sdamien#define DPRINTF(x) 88145247Sdamien#define DPRINTFN(n, x) 89145247Sdamien#endif 90145247Sdamien 91145247SdamienMODULE_DEPEND(ipw, pci, 1, 1, 1); 92145247SdamienMODULE_DEPEND(ipw, wlan, 1, 1, 1); 93156599SdamienMODULE_DEPEND(ipw, firmware, 1, 1, 1); 94145247Sdamien 95145247Sdamienstruct ipw_ident { 96145247Sdamien uint16_t vendor; 97145247Sdamien uint16_t device; 98145247Sdamien const char *name; 99145247Sdamien}; 100145247Sdamien 101145247Sdamienstatic const struct ipw_ident ipw_ident_table[] = { 102145247Sdamien { 0x8086, 0x1043, "Intel(R) PRO/Wireless 2100 MiniPCI" }, 103145247Sdamien 104145247Sdamien { 0, 0, NULL } 105145247Sdamien}; 106145247Sdamien 107145247Sdamienstatic int ipw_dma_alloc(struct ipw_softc *); 108145247Sdamienstatic void ipw_release(struct ipw_softc *); 109145247Sdamienstatic int ipw_media_change(struct ifnet *); 110145247Sdamienstatic void ipw_media_status(struct ifnet *, struct ifmediareq *); 111145247Sdamienstatic int ipw_newstate(struct ieee80211com *, enum ieee80211_state, int); 112145247Sdamienstatic uint16_t ipw_read_prom_word(struct ipw_softc *, uint8_t); 113145247Sdamienstatic void ipw_command_intr(struct ipw_softc *, struct ipw_soft_buf *); 114145247Sdamienstatic void ipw_newstate_intr(struct ipw_softc *, struct ipw_soft_buf *); 115145247Sdamienstatic void ipw_data_intr(struct ipw_softc *, struct ipw_status *, 116145247Sdamien struct ipw_soft_bd *, struct ipw_soft_buf *); 117145247Sdamienstatic void ipw_rx_intr(struct ipw_softc *); 118145247Sdamienstatic void ipw_release_sbd(struct ipw_softc *, struct ipw_soft_bd *); 119145247Sdamienstatic void ipw_tx_intr(struct ipw_softc *); 120145247Sdamienstatic void ipw_intr(void *); 121145247Sdamienstatic void ipw_dma_map_addr(void *, bus_dma_segment_t *, int, int); 122145247Sdamienstatic int ipw_cmd(struct ipw_softc *, uint32_t, void *, uint32_t); 123145247Sdamienstatic int ipw_tx_start(struct ifnet *, struct mbuf *, 124145247Sdamien struct ieee80211_node *); 125145247Sdamienstatic void ipw_start(struct ifnet *); 126145247Sdamienstatic void ipw_watchdog(struct ifnet *); 127145247Sdamienstatic int ipw_ioctl(struct ifnet *, u_long, caddr_t); 128145247Sdamienstatic void ipw_stop_master(struct ipw_softc *); 129145247Sdamienstatic int ipw_reset(struct ipw_softc *); 130156599Sdamienstatic int ipw_load_ucode(struct ipw_softc *, const char *, int); 131156599Sdamienstatic int ipw_load_firmware(struct ipw_softc *, const char *, int); 132145247Sdamienstatic int ipw_config(struct ipw_softc *); 133156599Sdamienstatic void ipw_init_task(void *, int); 134145247Sdamienstatic void ipw_init(void *); 135145247Sdamienstatic void ipw_stop(void *); 136145247Sdamienstatic int ipw_sysctl_stats(SYSCTL_HANDLER_ARGS); 137145247Sdamienstatic int ipw_sysctl_radio(SYSCTL_HANDLER_ARGS); 138145247Sdamienstatic uint32_t ipw_read_table1(struct ipw_softc *, uint32_t); 139145247Sdamienstatic void ipw_write_table1(struct ipw_softc *, uint32_t, uint32_t); 140145247Sdamienstatic int ipw_read_table2(struct ipw_softc *, uint32_t, void *, 141145247Sdamien uint32_t *); 142145247Sdamienstatic void ipw_read_mem_1(struct ipw_softc *, bus_size_t, uint8_t *, 143145247Sdamien bus_size_t); 144156599Sdamienstatic void ipw_write_mem_1(struct ipw_softc *, bus_size_t, 145156599Sdamien const uint8_t *, bus_size_t); 146145247Sdamien 147145247Sdamienstatic int ipw_probe(device_t); 148145247Sdamienstatic int ipw_attach(device_t); 149145247Sdamienstatic int ipw_detach(device_t); 150145247Sdamienstatic int ipw_shutdown(device_t); 151145247Sdamienstatic int ipw_suspend(device_t); 152145247Sdamienstatic int ipw_resume(device_t); 153145247Sdamien 154145247Sdamienstatic device_method_t ipw_methods[] = { 155145247Sdamien /* Device interface */ 156145247Sdamien DEVMETHOD(device_probe, ipw_probe), 157145247Sdamien DEVMETHOD(device_attach, ipw_attach), 158145247Sdamien DEVMETHOD(device_detach, ipw_detach), 159145247Sdamien DEVMETHOD(device_shutdown, ipw_shutdown), 160145247Sdamien DEVMETHOD(device_suspend, ipw_suspend), 161145247Sdamien DEVMETHOD(device_resume, ipw_resume), 162145247Sdamien 163145247Sdamien { 0, 0 } 164145247Sdamien}; 165145247Sdamien 166145247Sdamienstatic driver_t ipw_driver = { 167145247Sdamien "ipw", 168145247Sdamien ipw_methods, 169145247Sdamien sizeof (struct ipw_softc) 170145247Sdamien}; 171145247Sdamien 172145247Sdamienstatic devclass_t ipw_devclass; 173145247Sdamien 174145247SdamienDRIVER_MODULE(ipw, pci, ipw_driver, ipw_devclass, 0, 0); 175145247Sdamien 176145247Sdamienstatic int 177145247Sdamienipw_probe(device_t dev) 178145247Sdamien{ 179145247Sdamien const struct ipw_ident *ident; 180145247Sdamien 181145247Sdamien for (ident = ipw_ident_table; ident->name != NULL; ident++) { 182145247Sdamien if (pci_get_vendor(dev) == ident->vendor && 183145247Sdamien pci_get_device(dev) == ident->device) { 184145247Sdamien device_set_desc(dev, ident->name); 185145247Sdamien return 0; 186145247Sdamien } 187145247Sdamien } 188145247Sdamien return ENXIO; 189145247Sdamien} 190145247Sdamien 191145247Sdamien/* Base Address Register */ 192145247Sdamien#define IPW_PCI_BAR0 0x10 193145247Sdamien 194145247Sdamienstatic int 195145247Sdamienipw_attach(device_t dev) 196145247Sdamien{ 197145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 198147256Sbrooks struct ifnet *ifp; 199145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 200170530Ssam struct ieee80211_channel *c; 201145247Sdamien uint16_t val; 202145247Sdamien int error, i; 203145247Sdamien 204145247Sdamien sc->sc_dev = dev; 205145247Sdamien 206145247Sdamien mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 207145247Sdamien MTX_DEF | MTX_RECURSE); 208145247Sdamien 209156599Sdamien TASK_INIT(&sc->sc_init_task, 0, ipw_init_task, sc); 210156599Sdamien 211145247Sdamien if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) { 212145247Sdamien device_printf(dev, "chip is in D%d power mode " 213145247Sdamien "-- setting to D0\n", pci_get_powerstate(dev)); 214145247Sdamien pci_set_powerstate(dev, PCI_POWERSTATE_D0); 215145247Sdamien } 216145247Sdamien 217146498Sdamien pci_write_config(dev, 0x41, 0, 1); 218146498Sdamien 219145247Sdamien /* enable bus-mastering */ 220145247Sdamien pci_enable_busmaster(dev); 221145247Sdamien 222145247Sdamien sc->mem_rid = IPW_PCI_BAR0; 223145247Sdamien sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid, 224145247Sdamien RF_ACTIVE); 225145247Sdamien if (sc->mem == NULL) { 226145247Sdamien device_printf(dev, "could not allocate memory resource\n"); 227145247Sdamien goto fail; 228145247Sdamien } 229145247Sdamien 230145247Sdamien sc->sc_st = rman_get_bustag(sc->mem); 231145247Sdamien sc->sc_sh = rman_get_bushandle(sc->mem); 232145247Sdamien 233145247Sdamien sc->irq_rid = 0; 234145247Sdamien sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, 235145247Sdamien RF_ACTIVE | RF_SHAREABLE); 236145247Sdamien if (sc->irq == NULL) { 237145247Sdamien device_printf(dev, "could not allocate interrupt resource\n"); 238145247Sdamien goto fail; 239145247Sdamien } 240145247Sdamien 241145247Sdamien if (ipw_reset(sc) != 0) { 242145247Sdamien device_printf(dev, "could not reset adapter\n"); 243145247Sdamien goto fail; 244145247Sdamien } 245145247Sdamien 246145247Sdamien if (ipw_dma_alloc(sc) != 0) { 247145247Sdamien device_printf(dev, "could not allocate DMA resources\n"); 248145247Sdamien goto fail; 249145247Sdamien } 250147757Sdamien 251147256Sbrooks ifp = sc->sc_ifp = if_alloc(IFT_ETHER); 252147256Sbrooks if (ifp == NULL) { 253147256Sbrooks device_printf(dev, "can not if_alloc()\n"); 254147256Sbrooks goto fail; 255147256Sbrooks } 256147757Sdamien 257145247Sdamien ifp->if_softc = sc; 258145247Sdamien if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 259145247Sdamien ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 260145247Sdamien ifp->if_init = ipw_init; 261145247Sdamien ifp->if_ioctl = ipw_ioctl; 262145247Sdamien ifp->if_start = ipw_start; 263145247Sdamien ifp->if_watchdog = ipw_watchdog; 264145247Sdamien IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 265145247Sdamien ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN; 266145247Sdamien IFQ_SET_READY(&ifp->if_snd); 267145247Sdamien 268145247Sdamien ic->ic_ifp = ifp; 269145247Sdamien ic->ic_phytype = IEEE80211_T_DS; 270145247Sdamien ic->ic_opmode = IEEE80211_M_STA; 271145247Sdamien ic->ic_state = IEEE80211_S_INIT; 272145247Sdamien 273145247Sdamien /* set device capabilities */ 274156599Sdamien ic->ic_caps = 275156599Sdamien IEEE80211_C_IBSS | /* IBSS mode supported */ 276156599Sdamien IEEE80211_C_MONITOR | /* monitor mode supported */ 277156599Sdamien IEEE80211_C_TXPMGT | /* tx power management */ 278156599Sdamien IEEE80211_C_SHPREAMBLE; /* short preamble supported */ 279145247Sdamien 280145247Sdamien /* read MAC address from EEPROM */ 281145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 0); 282145247Sdamien ic->ic_myaddr[0] = val >> 8; 283145247Sdamien ic->ic_myaddr[1] = val & 0xff; 284145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 1); 285145247Sdamien ic->ic_myaddr[2] = val >> 8; 286145247Sdamien ic->ic_myaddr[3] = val & 0xff; 287145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 2); 288145247Sdamien ic->ic_myaddr[4] = val >> 8; 289145247Sdamien ic->ic_myaddr[5] = val & 0xff; 290145247Sdamien 291170530Ssam /* set supported .11b channels (read from EEPROM) */ 292170530Ssam if ((val = ipw_read_prom_word(sc, IPW_EEPROM_CHANNEL_LIST)) == 0) 293170530Ssam val = 0x7ff; /* default to channels 1-11 */ 294170530Ssam val <<= 1; 295170530Ssam for (i = 1; i < 16; i++) { 296170530Ssam if (val & (1 << i)) { 297170530Ssam c = &ic->ic_channels[ic->ic_nchans++]; 298170530Ssam c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 299170530Ssam c->ic_flags = IEEE80211_CHAN_B; 300170530Ssam c->ic_ieee = i; 301170530Ssam } 302145247Sdamien } 303145247Sdamien 304145247Sdamien /* check support for radio transmitter switch in EEPROM */ 305145247Sdamien if (!(ipw_read_prom_word(sc, IPW_EEPROM_RADIO) & 8)) 306145247Sdamien sc->flags |= IPW_FLAG_HAS_RADIO_SWITCH; 307145247Sdamien 308145247Sdamien ieee80211_ifattach(ic); 309145247Sdamien /* override state transition machine */ 310145247Sdamien sc->sc_newstate = ic->ic_newstate; 311145247Sdamien ic->ic_newstate = ipw_newstate; 312145247Sdamien ieee80211_media_init(ic, ipw_media_change, ipw_media_status); 313145247Sdamien 314145247Sdamien bpfattach2(ifp, DLT_IEEE802_11_RADIO, 315171086Skevlo sizeof (struct ieee80211_frame) + sizeof (sc->sc_txtap), 316171086Skevlo &sc->sc_drvbpf); 317145247Sdamien 318171086Skevlo sc->sc_rxtap_len = sizeof sc->sc_rxtap; 319145247Sdamien sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 320145247Sdamien sc->sc_rxtap.wr_ihdr.it_present = htole32(IPW_RX_RADIOTAP_PRESENT); 321145247Sdamien 322171086Skevlo sc->sc_txtap_len = sizeof sc->sc_txtap; 323145247Sdamien sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 324145247Sdamien sc->sc_txtap.wt_ihdr.it_present = htole32(IPW_TX_RADIOTAP_PRESENT); 325145247Sdamien 326145247Sdamien /* 327145247Sdamien * Add a few sysctl knobs. 328145247Sdamien */ 329145247Sdamien sc->dwelltime = 100; 330145247Sdamien 331145247Sdamien SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 332145247Sdamien SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "radio", 333145247Sdamien CTLTYPE_INT | CTLFLAG_RD, sc, 0, ipw_sysctl_radio, "I", 334145247Sdamien "radio transmitter switch state (0=off, 1=on)"); 335145247Sdamien 336145247Sdamien SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 337145247Sdamien SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "stats", 338145247Sdamien CTLTYPE_OPAQUE | CTLFLAG_RD, sc, 0, ipw_sysctl_stats, "S", 339145247Sdamien "statistics"); 340145247Sdamien 341145247Sdamien SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), 342145247Sdamien SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "dwell", 343145247Sdamien CTLFLAG_RW, &sc->dwelltime, 0, 344145247Sdamien "channel dwell time (ms) for AP/station scanning"); 345145247Sdamien 346145247Sdamien /* 347145247Sdamien * Hook our interrupt after all initialization is complete. 348145247Sdamien */ 349145247Sdamien error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 350166901Spiso NULL, ipw_intr, sc, &sc->sc_ih); 351145247Sdamien if (error != 0) { 352145247Sdamien device_printf(dev, "could not set up interrupt\n"); 353145247Sdamien goto fail; 354145247Sdamien } 355145247Sdamien 356145247Sdamien if (bootverbose) 357145247Sdamien ieee80211_announce(ic); 358145247Sdamien 359145247Sdamien return 0; 360145247Sdamien 361145247Sdamienfail: ipw_detach(dev); 362145247Sdamien return ENXIO; 363145247Sdamien} 364145247Sdamien 365145247Sdamienstatic int 366145247Sdamienipw_detach(device_t dev) 367145247Sdamien{ 368145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 369145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 370145247Sdamien struct ifnet *ifp = ic->ic_ifp; 371145247Sdamien 372145247Sdamien ipw_stop(sc); 373145247Sdamien 374147757Sdamien if (ifp != NULL) { 375147256Sbrooks bpfdetach(ifp); 376147757Sdamien ieee80211_ifdetach(ic); 377147757Sdamien } 378145247Sdamien 379145247Sdamien ipw_release(sc); 380145247Sdamien 381145247Sdamien if (sc->irq != NULL) { 382145247Sdamien bus_teardown_intr(dev, sc->irq, sc->sc_ih); 383145247Sdamien bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq); 384145247Sdamien } 385145247Sdamien 386145247Sdamien if (sc->mem != NULL) 387145247Sdamien bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem); 388156599Sdamien 389150306Simp if (ifp != NULL) 390150306Simp if_free(ifp); 391145247Sdamien 392159487Siedowse if (sc->sc_firmware != NULL) { 393159487Siedowse firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 394159487Siedowse sc->sc_firmware = NULL; 395159487Siedowse } 396159487Siedowse 397145247Sdamien mtx_destroy(&sc->sc_mtx); 398145247Sdamien 399145247Sdamien return 0; 400145247Sdamien} 401145247Sdamien 402145247Sdamienstatic int 403145247Sdamienipw_dma_alloc(struct ipw_softc *sc) 404145247Sdamien{ 405145247Sdamien struct ipw_soft_bd *sbd; 406145247Sdamien struct ipw_soft_hdr *shdr; 407145247Sdamien struct ipw_soft_buf *sbuf; 408145247Sdamien bus_addr_t physaddr; 409145247Sdamien int error, i; 410145247Sdamien 411145247Sdamien /* 412145247Sdamien * Allocate and map tx ring. 413145247Sdamien */ 414145247Sdamien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 415145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_TBD_SZ, 1, IPW_TBD_SZ, 0, NULL, 416145247Sdamien NULL, &sc->tbd_dmat); 417145247Sdamien if (error != 0) { 418145247Sdamien device_printf(sc->sc_dev, "could not create tx ring DMA tag\n"); 419145247Sdamien goto fail; 420145247Sdamien } 421145247Sdamien 422145247Sdamien error = bus_dmamem_alloc(sc->tbd_dmat, (void **)&sc->tbd_list, 423145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->tbd_map); 424145247Sdamien if (error != 0) { 425145247Sdamien device_printf(sc->sc_dev, 426145247Sdamien "could not allocate tx ring DMA memory\n"); 427145247Sdamien goto fail; 428145247Sdamien } 429145247Sdamien 430145247Sdamien error = bus_dmamap_load(sc->tbd_dmat, sc->tbd_map, sc->tbd_list, 431145247Sdamien IPW_TBD_SZ, ipw_dma_map_addr, &sc->tbd_phys, 0); 432145247Sdamien if (error != 0) { 433145247Sdamien device_printf(sc->sc_dev, "could not map tx ring DMA memory\n"); 434145247Sdamien goto fail; 435145247Sdamien } 436145247Sdamien 437145247Sdamien /* 438145247Sdamien * Allocate and map rx ring. 439145247Sdamien */ 440145247Sdamien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 441145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_RBD_SZ, 1, IPW_RBD_SZ, 0, NULL, 442145247Sdamien NULL, &sc->rbd_dmat); 443145247Sdamien if (error != 0) { 444145247Sdamien device_printf(sc->sc_dev, "could not create rx ring DMA tag\n"); 445145247Sdamien goto fail; 446145247Sdamien } 447145247Sdamien 448145247Sdamien error = bus_dmamem_alloc(sc->rbd_dmat, (void **)&sc->rbd_list, 449145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->rbd_map); 450145247Sdamien if (error != 0) { 451145247Sdamien device_printf(sc->sc_dev, 452145247Sdamien "could not allocate rx ring DMA memory\n"); 453145247Sdamien goto fail; 454145247Sdamien } 455145247Sdamien 456145247Sdamien error = bus_dmamap_load(sc->rbd_dmat, sc->rbd_map, sc->rbd_list, 457145247Sdamien IPW_RBD_SZ, ipw_dma_map_addr, &sc->rbd_phys, 0); 458145247Sdamien if (error != 0) { 459145247Sdamien device_printf(sc->sc_dev, "could not map rx ring DMA memory\n"); 460145247Sdamien goto fail; 461145247Sdamien } 462145247Sdamien 463145247Sdamien /* 464145247Sdamien * Allocate and map status ring. 465145247Sdamien */ 466145247Sdamien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 467145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_STATUS_SZ, 1, IPW_STATUS_SZ, 0, 468145247Sdamien NULL, NULL, &sc->status_dmat); 469145247Sdamien if (error != 0) { 470145247Sdamien device_printf(sc->sc_dev, 471145247Sdamien "could not create status ring DMA tag\n"); 472145247Sdamien goto fail; 473145247Sdamien } 474145247Sdamien 475145247Sdamien error = bus_dmamem_alloc(sc->status_dmat, (void **)&sc->status_list, 476145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->status_map); 477145247Sdamien if (error != 0) { 478145247Sdamien device_printf(sc->sc_dev, 479145247Sdamien "could not allocate status ring DMA memory\n"); 480145247Sdamien goto fail; 481145247Sdamien } 482145247Sdamien 483145247Sdamien error = bus_dmamap_load(sc->status_dmat, sc->status_map, 484145247Sdamien sc->status_list, IPW_STATUS_SZ, ipw_dma_map_addr, &sc->status_phys, 485145247Sdamien 0); 486145247Sdamien if (error != 0) { 487145247Sdamien device_printf(sc->sc_dev, 488145247Sdamien "could not map status ring DMA memory\n"); 489145247Sdamien goto fail; 490145247Sdamien } 491145247Sdamien 492145247Sdamien /* 493145247Sdamien * Allocate command DMA map. 494145247Sdamien */ 495145247Sdamien error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT, 496145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, sizeof (struct ipw_cmd), 1, 497145247Sdamien sizeof (struct ipw_cmd), 0, NULL, NULL, &sc->cmd_dmat); 498145247Sdamien if (error != 0) { 499145247Sdamien device_printf(sc->sc_dev, "could not create command DMA tag\n"); 500145247Sdamien goto fail; 501145247Sdamien } 502145247Sdamien 503145247Sdamien error = bus_dmamap_create(sc->cmd_dmat, 0, &sc->cmd_map); 504145247Sdamien if (error != 0) { 505145247Sdamien device_printf(sc->sc_dev, 506145247Sdamien "could not create command DMA map\n"); 507145247Sdamien goto fail; 508145247Sdamien } 509145247Sdamien 510145247Sdamien /* 511145247Sdamien * Allocate headers DMA maps. 512145247Sdamien */ 513145247Sdamien error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT, 514145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, sizeof (struct ipw_hdr), 1, 515145247Sdamien sizeof (struct ipw_hdr), 0, NULL, NULL, &sc->hdr_dmat); 516145247Sdamien if (error != 0) { 517145247Sdamien device_printf(sc->sc_dev, "could not create header DMA tag\n"); 518145247Sdamien goto fail; 519145247Sdamien } 520145247Sdamien 521145247Sdamien SLIST_INIT(&sc->free_shdr); 522145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 523145247Sdamien shdr = &sc->shdr_list[i]; 524145247Sdamien error = bus_dmamap_create(sc->hdr_dmat, 0, &shdr->map); 525145247Sdamien if (error != 0) { 526145247Sdamien device_printf(sc->sc_dev, 527145247Sdamien "could not create header DMA map\n"); 528145247Sdamien goto fail; 529145247Sdamien } 530145247Sdamien SLIST_INSERT_HEAD(&sc->free_shdr, shdr, next); 531145247Sdamien } 532145247Sdamien 533145247Sdamien /* 534145247Sdamien * Allocate tx buffers DMA maps. 535145247Sdamien */ 536145247Sdamien error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT, 537145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, IPW_MAX_NSEG, MCLBYTES, 0, 538145247Sdamien NULL, NULL, &sc->txbuf_dmat); 539145247Sdamien if (error != 0) { 540145247Sdamien device_printf(sc->sc_dev, "could not create tx DMA tag\n"); 541145247Sdamien goto fail; 542145247Sdamien } 543145247Sdamien 544145247Sdamien SLIST_INIT(&sc->free_sbuf); 545145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 546145247Sdamien sbuf = &sc->tx_sbuf_list[i]; 547145247Sdamien error = bus_dmamap_create(sc->txbuf_dmat, 0, &sbuf->map); 548145247Sdamien if (error != 0) { 549145247Sdamien device_printf(sc->sc_dev, 550145247Sdamien "could not create tx DMA map\n"); 551145247Sdamien goto fail; 552145247Sdamien } 553145247Sdamien SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next); 554145247Sdamien } 555145247Sdamien 556145247Sdamien /* 557145247Sdamien * Initialize tx ring. 558145247Sdamien */ 559145247Sdamien for (i = 0; i < IPW_NTBD; i++) { 560145247Sdamien sbd = &sc->stbd_list[i]; 561145247Sdamien sbd->bd = &sc->tbd_list[i]; 562145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 563145247Sdamien } 564145247Sdamien 565145247Sdamien /* 566145247Sdamien * Pre-allocate rx buffers and DMA maps. 567145247Sdamien */ 568145247Sdamien error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT, 569147841Sdamien BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1, MCLBYTES, 0, NULL, 570147841Sdamien NULL, &sc->rxbuf_dmat); 571145247Sdamien if (error != 0) { 572145247Sdamien device_printf(sc->sc_dev, "could not create rx DMA tag\n"); 573145247Sdamien goto fail; 574145247Sdamien } 575145247Sdamien 576145247Sdamien for (i = 0; i < IPW_NRBD; i++) { 577145247Sdamien sbd = &sc->srbd_list[i]; 578145247Sdamien sbuf = &sc->rx_sbuf_list[i]; 579145247Sdamien sbd->bd = &sc->rbd_list[i]; 580145247Sdamien 581145247Sdamien sbuf->m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 582145247Sdamien if (sbuf->m == NULL) { 583145247Sdamien device_printf(sc->sc_dev, 584145247Sdamien "could not allocate rx mbuf\n"); 585145247Sdamien error = ENOMEM; 586145247Sdamien goto fail; 587145247Sdamien } 588145247Sdamien 589145247Sdamien error = bus_dmamap_create(sc->rxbuf_dmat, 0, &sbuf->map); 590145247Sdamien if (error != 0) { 591145247Sdamien device_printf(sc->sc_dev, 592145247Sdamien "could not create rx DMA map\n"); 593145247Sdamien goto fail; 594145247Sdamien } 595145247Sdamien 596145247Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, 597145247Sdamien mtod(sbuf->m, void *), MCLBYTES, ipw_dma_map_addr, 598145247Sdamien &physaddr, 0); 599145247Sdamien if (error != 0) { 600145247Sdamien device_printf(sc->sc_dev, 601145247Sdamien "could not map rx DMA memory\n"); 602145247Sdamien goto fail; 603145247Sdamien } 604145247Sdamien 605145247Sdamien sbd->type = IPW_SBD_TYPE_DATA; 606145247Sdamien sbd->priv = sbuf; 607145247Sdamien sbd->bd->physaddr = htole32(physaddr); 608145247Sdamien sbd->bd->len = htole32(MCLBYTES); 609145247Sdamien } 610145247Sdamien 611145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 612145247Sdamien 613145247Sdamien return 0; 614145247Sdamien 615145247Sdamienfail: ipw_release(sc); 616145247Sdamien return error; 617145247Sdamien} 618145247Sdamien 619145247Sdamienstatic void 620145247Sdamienipw_release(struct ipw_softc *sc) 621145247Sdamien{ 622145247Sdamien struct ipw_soft_buf *sbuf; 623145247Sdamien int i; 624145247Sdamien 625145247Sdamien if (sc->tbd_dmat != NULL) { 626145247Sdamien if (sc->stbd_list != NULL) { 627145247Sdamien bus_dmamap_unload(sc->tbd_dmat, sc->tbd_map); 628145247Sdamien bus_dmamem_free(sc->tbd_dmat, sc->tbd_list, 629145247Sdamien sc->tbd_map); 630145247Sdamien } 631145247Sdamien bus_dma_tag_destroy(sc->tbd_dmat); 632145247Sdamien } 633145247Sdamien 634145247Sdamien if (sc->rbd_dmat != NULL) { 635145247Sdamien if (sc->rbd_list != NULL) { 636145247Sdamien bus_dmamap_unload(sc->rbd_dmat, sc->rbd_map); 637145247Sdamien bus_dmamem_free(sc->rbd_dmat, sc->rbd_list, 638145247Sdamien sc->rbd_map); 639145247Sdamien } 640145247Sdamien bus_dma_tag_destroy(sc->rbd_dmat); 641145247Sdamien } 642145247Sdamien 643145247Sdamien if (sc->status_dmat != NULL) { 644145247Sdamien if (sc->status_list != NULL) { 645145247Sdamien bus_dmamap_unload(sc->status_dmat, sc->status_map); 646145247Sdamien bus_dmamem_free(sc->status_dmat, sc->status_list, 647145247Sdamien sc->status_map); 648145247Sdamien } 649145247Sdamien bus_dma_tag_destroy(sc->status_dmat); 650145247Sdamien } 651145247Sdamien 652145247Sdamien for (i = 0; i < IPW_NTBD; i++) 653145247Sdamien ipw_release_sbd(sc, &sc->stbd_list[i]); 654145247Sdamien 655145247Sdamien if (sc->cmd_dmat != NULL) { 656145247Sdamien bus_dmamap_destroy(sc->cmd_dmat, sc->cmd_map); 657145247Sdamien bus_dma_tag_destroy(sc->cmd_dmat); 658145247Sdamien } 659145247Sdamien 660145247Sdamien if (sc->hdr_dmat != NULL) { 661145247Sdamien for (i = 0; i < IPW_NDATA; i++) 662145247Sdamien bus_dmamap_destroy(sc->hdr_dmat, sc->shdr_list[i].map); 663145247Sdamien bus_dma_tag_destroy(sc->hdr_dmat); 664145247Sdamien } 665145247Sdamien 666145247Sdamien if (sc->txbuf_dmat != NULL) { 667145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 668145247Sdamien bus_dmamap_destroy(sc->txbuf_dmat, 669145247Sdamien sc->tx_sbuf_list[i].map); 670145247Sdamien } 671145247Sdamien bus_dma_tag_destroy(sc->txbuf_dmat); 672145247Sdamien } 673145247Sdamien 674145247Sdamien if (sc->rxbuf_dmat != NULL) { 675145247Sdamien for (i = 0; i < IPW_NRBD; i++) { 676145247Sdamien sbuf = &sc->rx_sbuf_list[i]; 677145247Sdamien if (sbuf->m != NULL) { 678145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, 679145247Sdamien BUS_DMASYNC_POSTREAD); 680145247Sdamien bus_dmamap_unload(sc->rxbuf_dmat, sbuf->map); 681145247Sdamien m_freem(sbuf->m); 682145247Sdamien } 683145247Sdamien bus_dmamap_destroy(sc->rxbuf_dmat, sbuf->map); 684145247Sdamien } 685145247Sdamien bus_dma_tag_destroy(sc->rxbuf_dmat); 686145247Sdamien } 687145247Sdamien} 688145247Sdamien 689145247Sdamienstatic int 690145247Sdamienipw_shutdown(device_t dev) 691145247Sdamien{ 692145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 693145247Sdamien 694145247Sdamien ipw_stop(sc); 695145247Sdamien 696145247Sdamien return 0; 697145247Sdamien} 698145247Sdamien 699145247Sdamienstatic int 700145247Sdamienipw_suspend(device_t dev) 701145247Sdamien{ 702145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 703145247Sdamien 704145247Sdamien ipw_stop(sc); 705145247Sdamien 706145247Sdamien return 0; 707145247Sdamien} 708145247Sdamien 709145247Sdamienstatic int 710145247Sdamienipw_resume(device_t dev) 711145247Sdamien{ 712145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 713145247Sdamien struct ifnet *ifp = sc->sc_ic.ic_ifp; 714145247Sdamien 715156599Sdamien mtx_lock(&sc->sc_mtx); 716145247Sdamien 717146498Sdamien pci_write_config(dev, 0x41, 0, 1); 718146498Sdamien 719145247Sdamien if (ifp->if_flags & IFF_UP) { 720145247Sdamien ifp->if_init(ifp->if_softc); 721148887Srwatson if (ifp->if_drv_flags & IFF_DRV_RUNNING) 722145247Sdamien ifp->if_start(ifp); 723145247Sdamien } 724145247Sdamien 725156599Sdamien mtx_unlock(&sc->sc_mtx); 726145247Sdamien 727145247Sdamien return 0; 728145247Sdamien} 729145247Sdamien 730145247Sdamienstatic int 731145247Sdamienipw_media_change(struct ifnet *ifp) 732145247Sdamien{ 733145247Sdamien struct ipw_softc *sc = ifp->if_softc; 734145247Sdamien int error; 735145247Sdamien 736156599Sdamien mtx_lock(&sc->sc_mtx); 737145247Sdamien 738145247Sdamien error = ieee80211_media_change(ifp); 739145247Sdamien if (error != ENETRESET) { 740156599Sdamien mtx_unlock(&sc->sc_mtx); 741145247Sdamien return error; 742145247Sdamien } 743145247Sdamien 744148887Srwatson if ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING)) 745145247Sdamien ipw_init(sc); 746145247Sdamien 747156599Sdamien mtx_unlock(&sc->sc_mtx); 748145247Sdamien 749145247Sdamien return 0; 750145247Sdamien} 751145247Sdamien 752145247Sdamien/* 753156599Sdamien * The firmware automatically adapts the transmit speed. We report its current 754156599Sdamien * value here. 755145247Sdamien */ 756145247Sdamienstatic void 757145247Sdamienipw_media_status(struct ifnet *ifp, struct ifmediareq *imr) 758145247Sdamien{ 759145247Sdamien#define N(a) (sizeof (a) / sizeof (a[0])) 760145247Sdamien struct ipw_softc *sc = ifp->if_softc; 761145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 762145247Sdamien static const struct { 763145247Sdamien uint32_t val; 764145247Sdamien int rate; 765145247Sdamien } rates[] = { 766145247Sdamien { IPW_RATE_DS1, 2 }, 767145247Sdamien { IPW_RATE_DS2, 4 }, 768145247Sdamien { IPW_RATE_DS5, 11 }, 769145247Sdamien { IPW_RATE_DS11, 22 }, 770145247Sdamien }; 771145247Sdamien uint32_t val; 772145247Sdamien int rate, i; 773145247Sdamien 774145247Sdamien imr->ifm_status = IFM_AVALID; 775145247Sdamien imr->ifm_active = IFM_IEEE80211; 776145247Sdamien if (ic->ic_state == IEEE80211_S_RUN) 777145247Sdamien imr->ifm_status |= IFM_ACTIVE; 778145247Sdamien 779145247Sdamien /* read current transmission rate from adapter */ 780145247Sdamien val = ipw_read_table1(sc, IPW_INFO_CURRENT_TX_RATE) & 0xf; 781145247Sdamien 782145247Sdamien /* convert ipw rate to 802.11 rate */ 783145247Sdamien for (i = 0; i < N(rates) && rates[i].val != val; i++); 784145247Sdamien rate = (i < N(rates)) ? rates[i].rate : 0; 785145247Sdamien 786145247Sdamien imr->ifm_active |= IFM_IEEE80211_11B; 787145247Sdamien imr->ifm_active |= ieee80211_rate2media(ic, rate, IEEE80211_MODE_11B); 788145247Sdamien switch (ic->ic_opmode) { 789145247Sdamien case IEEE80211_M_STA: 790145247Sdamien break; 791145247Sdamien 792145247Sdamien case IEEE80211_M_IBSS: 793145247Sdamien imr->ifm_active |= IFM_IEEE80211_IBSS; 794145247Sdamien break; 795145247Sdamien 796145247Sdamien case IEEE80211_M_MONITOR: 797145247Sdamien imr->ifm_active |= IFM_IEEE80211_MONITOR; 798145247Sdamien break; 799145247Sdamien 800145247Sdamien case IEEE80211_M_AHDEMO: 801145247Sdamien case IEEE80211_M_HOSTAP: 802170530Ssam case IEEE80211_M_WDS: 803145247Sdamien /* should not get there */ 804145247Sdamien break; 805145247Sdamien } 806145247Sdamien#undef N 807145247Sdamien} 808145247Sdamien 809145247Sdamienstatic int 810145247Sdamienipw_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 811145247Sdamien{ 812145247Sdamien struct ifnet *ifp = ic->ic_ifp; 813145247Sdamien struct ipw_softc *sc = ifp->if_softc; 814145247Sdamien uint8_t macaddr[IEEE80211_ADDR_LEN]; 815145247Sdamien uint32_t len; 816145247Sdamien 817145247Sdamien switch (nstate) { 818145247Sdamien case IEEE80211_S_RUN: 819145247Sdamien DELAY(200); /* firmware needs a short delay here */ 820145247Sdamien 821145247Sdamien len = IEEE80211_ADDR_LEN; 822145247Sdamien ipw_read_table2(sc, IPW_INFO_CURRENT_BSSID, macaddr, &len); 823145247Sdamien 824170530Ssam#if 0 825145247Sdamien ni = ieee80211_find_node(&ic->ic_scan, macaddr); 826145247Sdamien if (ni == NULL) 827145247Sdamien break; 828145247Sdamien 829145247Sdamien ieee80211_ref_node(ni); 830145247Sdamien ieee80211_sta_join(ic, ni); 831148302Ssam ieee80211_node_authorize(ni); 832145247Sdamien 833145247Sdamien if (ic->ic_opmode == IEEE80211_M_STA) 834145247Sdamien ieee80211_notify_node_join(ic, ni, 1); 835170530Ssam#endif 836145247Sdamien break; 837145247Sdamien 838145247Sdamien case IEEE80211_S_INIT: 839145247Sdamien case IEEE80211_S_SCAN: 840145247Sdamien case IEEE80211_S_AUTH: 841145247Sdamien case IEEE80211_S_ASSOC: 842172058Ssam default: 843145247Sdamien break; 844145247Sdamien } 845145247Sdamien 846145247Sdamien ic->ic_state = nstate; 847156599Sdamien 848145247Sdamien return 0; 849145247Sdamien} 850145247Sdamien 851145247Sdamien/* 852145247Sdamien * Read 16 bits at address 'addr' from the serial EEPROM. 853145247Sdamien */ 854145247Sdamienstatic uint16_t 855145247Sdamienipw_read_prom_word(struct ipw_softc *sc, uint8_t addr) 856145247Sdamien{ 857145247Sdamien uint32_t tmp; 858145247Sdamien uint16_t val; 859145247Sdamien int n; 860145247Sdamien 861145247Sdamien /* clock C once before the first command */ 862145247Sdamien IPW_EEPROM_CTL(sc, 0); 863145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 864145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 865145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 866145247Sdamien 867145247Sdamien /* write start bit (1) */ 868145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D); 869145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C); 870145247Sdamien 871145247Sdamien /* write READ opcode (10) */ 872145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D); 873145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C); 874145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 875145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 876145247Sdamien 877145247Sdamien /* write address A7-A0 */ 878145247Sdamien for (n = 7; n >= 0; n--) { 879145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | 880145247Sdamien (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D)); 881145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | 882145247Sdamien (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D) | IPW_EEPROM_C); 883145247Sdamien } 884145247Sdamien 885145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 886145247Sdamien 887145247Sdamien /* read data Q15-Q0 */ 888145247Sdamien val = 0; 889145247Sdamien for (n = 15; n >= 0; n--) { 890145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 891145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 892145247Sdamien tmp = MEM_READ_4(sc, IPW_MEM_EEPROM_CTL); 893145247Sdamien val |= ((tmp & IPW_EEPROM_Q) >> IPW_EEPROM_SHIFT_Q) << n; 894145247Sdamien } 895145247Sdamien 896145247Sdamien IPW_EEPROM_CTL(sc, 0); 897145247Sdamien 898145247Sdamien /* clear Chip Select and clock C */ 899145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 900145247Sdamien IPW_EEPROM_CTL(sc, 0); 901145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_C); 902145247Sdamien 903145247Sdamien return le16toh(val); 904145247Sdamien} 905145247Sdamien 906145247Sdamienstatic void 907145247Sdamienipw_command_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf) 908145247Sdamien{ 909145247Sdamien struct ipw_cmd *cmd; 910145247Sdamien 911145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 912145247Sdamien 913145247Sdamien cmd = mtod(sbuf->m, struct ipw_cmd *); 914145247Sdamien 915145247Sdamien DPRINTFN(2, ("cmd ack'ed (%u, %u, %u, %u, %u)\n", le32toh(cmd->type), 916145247Sdamien le32toh(cmd->subtype), le32toh(cmd->seq), le32toh(cmd->len), 917145247Sdamien le32toh(cmd->status))); 918145247Sdamien 919145247Sdamien wakeup(sc); 920145247Sdamien} 921145247Sdamien 922145247Sdamienstatic void 923145247Sdamienipw_newstate_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf) 924145247Sdamien{ 925145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 926145247Sdamien uint32_t state; 927145247Sdamien 928145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 929145247Sdamien 930145247Sdamien state = le32toh(*mtod(sbuf->m, uint32_t *)); 931145247Sdamien 932145247Sdamien DPRINTFN(2, ("entering state %u\n", state)); 933145247Sdamien 934145247Sdamien switch (state) { 935145247Sdamien case IPW_STATE_ASSOCIATED: 936145247Sdamien ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 937145247Sdamien break; 938145247Sdamien 939145247Sdamien case IPW_STATE_SCANNING: 940145247Sdamien /* don't leave run state on background scan */ 941145247Sdamien if (ic->ic_state != IEEE80211_S_RUN) 942145247Sdamien ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 943145247Sdamien 944145247Sdamien ic->ic_flags |= IEEE80211_F_SCAN; 945145247Sdamien break; 946145247Sdamien 947145247Sdamien case IPW_STATE_SCAN_COMPLETE: 948145247Sdamien ieee80211_notify_scan_done(ic); 949145247Sdamien ic->ic_flags &= ~IEEE80211_F_SCAN; 950145247Sdamien break; 951145247Sdamien 952145247Sdamien case IPW_STATE_ASSOCIATION_LOST: 953145247Sdamien ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 954145247Sdamien break; 955145247Sdamien 956145247Sdamien case IPW_STATE_RADIO_DISABLED: 957145247Sdamien ic->ic_ifp->if_flags &= ~IFF_UP; 958145247Sdamien ipw_stop(sc); 959145247Sdamien break; 960145247Sdamien } 961145247Sdamien} 962145247Sdamien 963145247Sdamien/* 964145247Sdamien * XXX: Hack to set the current channel to the value advertised in beacons or 965145247Sdamien * probe responses. Only used during AP detection. 966145247Sdamien */ 967145247Sdamienstatic void 968145247Sdamienipw_fix_channel(struct ieee80211com *ic, struct mbuf *m) 969145247Sdamien{ 970145247Sdamien struct ieee80211_frame *wh; 971145247Sdamien uint8_t subtype; 972145247Sdamien uint8_t *frm, *efrm; 973145247Sdamien 974145247Sdamien wh = mtod(m, struct ieee80211_frame *); 975145247Sdamien 976145247Sdamien if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 977145247Sdamien return; 978145247Sdamien 979145247Sdamien subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 980145247Sdamien 981145247Sdamien if (subtype != IEEE80211_FC0_SUBTYPE_BEACON && 982145247Sdamien subtype != IEEE80211_FC0_SUBTYPE_PROBE_RESP) 983145247Sdamien return; 984145247Sdamien 985145247Sdamien frm = (uint8_t *)(wh + 1); 986145247Sdamien efrm = mtod(m, uint8_t *) + m->m_len; 987145247Sdamien 988145247Sdamien frm += 12; /* skip tstamp, bintval and capinfo fields */ 989145247Sdamien while (frm < efrm) { 990145247Sdamien if (*frm == IEEE80211_ELEMID_DSPARMS) 991145247Sdamien#if IEEE80211_CHAN_MAX < 255 992145247Sdamien if (frm[2] <= IEEE80211_CHAN_MAX) 993145247Sdamien#endif 994170530Ssam ic->ic_bsschan = ieee80211_find_channel(ic, 995170530Ssam ieee80211_ieee2mhz(frm[2], 0), 996170530Ssam IEEE80211_MODE_AUTO); 997145247Sdamien 998145247Sdamien frm += frm[1] + 2; 999145247Sdamien } 1000145247Sdamien} 1001145247Sdamien 1002145247Sdamienstatic void 1003145247Sdamienipw_data_intr(struct ipw_softc *sc, struct ipw_status *status, 1004145247Sdamien struct ipw_soft_bd *sbd, struct ipw_soft_buf *sbuf) 1005145247Sdamien{ 1006145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 1007145247Sdamien struct ifnet *ifp = ic->ic_ifp; 1008152385Sdamien struct mbuf *mnew, *m; 1009145247Sdamien struct ieee80211_frame *wh; 1010145247Sdamien struct ieee80211_node *ni; 1011145247Sdamien bus_addr_t physaddr; 1012145247Sdamien int error; 1013145247Sdamien 1014152385Sdamien DPRINTFN(5, ("received frame len=%u, rssi=%u\n", le32toh(status->len), 1015152385Sdamien status->rssi)); 1016152385Sdamien 1017147757Sdamien if (le32toh(status->len) < sizeof (struct ieee80211_frame_min) || 1018147757Sdamien le32toh(status->len) > MCLBYTES) 1019147757Sdamien return; 1020147757Sdamien 1021152385Sdamien /* 1022152385Sdamien * Try to allocate a new mbuf for this ring element and load it before 1023152385Sdamien * processing the current mbuf. If the ring element cannot be loaded, 1024152385Sdamien * drop the received packet and reuse the old mbuf. In the unlikely 1025152385Sdamien * case that the old mbuf can't be reloaded either, explicitly panic. 1026152385Sdamien */ 1027152385Sdamien mnew = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1028152385Sdamien if (mnew == NULL) { 1029152385Sdamien ifp->if_ierrors++; 1030152385Sdamien return; 1031152385Sdamien } 1032152385Sdamien 1033145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 1034145247Sdamien bus_dmamap_unload(sc->rxbuf_dmat, sbuf->map); 1035145247Sdamien 1036152385Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, mtod(mnew, void *), 1037152385Sdamien MCLBYTES, ipw_dma_map_addr, &physaddr, 0); 1038152385Sdamien if (error != 0) { 1039152385Sdamien m_freem(mnew); 1040152385Sdamien 1041152385Sdamien /* try to reload the old mbuf */ 1042152385Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, 1043152385Sdamien mtod(sbuf->m, void *), MCLBYTES, ipw_dma_map_addr, 1044152385Sdamien &physaddr, 0); 1045152385Sdamien if (error != 0) { 1046152385Sdamien /* very unlikely that it will fail... */ 1047152385Sdamien panic("%s: could not load old rx mbuf", 1048152385Sdamien device_get_name(sc->sc_dev)); 1049152385Sdamien } 1050152385Sdamien ifp->if_ierrors++; 1051152385Sdamien return; 1052152385Sdamien } 1053152385Sdamien 1054152385Sdamien /* 1055152385Sdamien * New mbuf successfully loaded, update Rx ring and continue 1056152385Sdamien * processing. 1057152385Sdamien */ 1058152385Sdamien m = sbuf->m; 1059152385Sdamien sbuf->m = mnew; 1060152385Sdamien sbd->bd->physaddr = htole32(physaddr); 1061152385Sdamien 1062145247Sdamien /* finalize mbuf */ 1063145247Sdamien m->m_pkthdr.rcvif = ifp; 1064145247Sdamien m->m_pkthdr.len = m->m_len = le32toh(status->len); 1065145247Sdamien 1066159180Scsjp if (bpf_peers_present(sc->sc_drvbpf)) { 1067145247Sdamien struct ipw_rx_radiotap_header *tap = &sc->sc_rxtap; 1068145247Sdamien 1069145247Sdamien tap->wr_flags = 0; 1070145247Sdamien tap->wr_antsignal = status->rssi; 1071156599Sdamien tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1072156599Sdamien tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1073145247Sdamien 1074145247Sdamien bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); 1075145247Sdamien } 1076145247Sdamien 1077145247Sdamien if (ic->ic_state == IEEE80211_S_SCAN) 1078145247Sdamien ipw_fix_channel(ic, m); 1079145247Sdamien 1080145247Sdamien wh = mtod(m, struct ieee80211_frame *); 1081167868Sle mtx_unlock(&sc->sc_mtx); 1082145247Sdamien ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1083145247Sdamien 1084145247Sdamien /* send the frame to the 802.11 layer */ 1085170530Ssam ieee80211_input(ic, m, ni, status->rssi, -95/*XXX*/, 0); 1086145247Sdamien 1087145247Sdamien /* node is no longer needed */ 1088145247Sdamien ieee80211_free_node(ni); 1089167868Sle mtx_lock(&sc->sc_mtx); 1090145247Sdamien 1091145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 1092145247Sdamien} 1093145247Sdamien 1094145247Sdamienstatic void 1095145247Sdamienipw_rx_intr(struct ipw_softc *sc) 1096145247Sdamien{ 1097145247Sdamien struct ipw_status *status; 1098145247Sdamien struct ipw_soft_bd *sbd; 1099145247Sdamien struct ipw_soft_buf *sbuf; 1100145247Sdamien uint32_t r, i; 1101145247Sdamien 1102145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1103145247Sdamien return; 1104145247Sdamien 1105145247Sdamien r = CSR_READ_4(sc, IPW_CSR_RX_READ); 1106145247Sdamien 1107145247Sdamien bus_dmamap_sync(sc->status_dmat, sc->status_map, BUS_DMASYNC_POSTREAD); 1108145247Sdamien 1109145247Sdamien for (i = (sc->rxcur + 1) % IPW_NRBD; i != r; i = (i + 1) % IPW_NRBD) { 1110145247Sdamien status = &sc->status_list[i]; 1111145247Sdamien sbd = &sc->srbd_list[i]; 1112145247Sdamien sbuf = sbd->priv; 1113145247Sdamien 1114145247Sdamien switch (le16toh(status->code) & 0xf) { 1115145247Sdamien case IPW_STATUS_CODE_COMMAND: 1116145247Sdamien ipw_command_intr(sc, sbuf); 1117145247Sdamien break; 1118145247Sdamien 1119145247Sdamien case IPW_STATUS_CODE_NEWSTATE: 1120145247Sdamien ipw_newstate_intr(sc, sbuf); 1121145247Sdamien break; 1122145247Sdamien 1123145247Sdamien case IPW_STATUS_CODE_DATA_802_3: 1124145247Sdamien case IPW_STATUS_CODE_DATA_802_11: 1125145247Sdamien ipw_data_intr(sc, status, sbd, sbuf); 1126145247Sdamien break; 1127145247Sdamien 1128145247Sdamien case IPW_STATUS_CODE_NOTIFICATION: 1129145247Sdamien DPRINTFN(2, ("received notification\n")); 1130145247Sdamien break; 1131145247Sdamien 1132145247Sdamien default: 1133145247Sdamien device_printf(sc->sc_dev, "unknown status code %u\n", 1134145247Sdamien le16toh(status->code)); 1135145247Sdamien } 1136145247Sdamien 1137145247Sdamien /* firmware was killed, stop processing received frames */ 1138145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1139145247Sdamien return; 1140145247Sdamien 1141145247Sdamien sbd->bd->flags = 0; 1142145247Sdamien } 1143145247Sdamien 1144145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 1145145247Sdamien 1146145247Sdamien /* kick the firmware */ 1147145247Sdamien sc->rxcur = (r == 0) ? IPW_NRBD - 1 : r - 1; 1148145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_WRITE, sc->rxcur); 1149145247Sdamien} 1150145247Sdamien 1151145247Sdamienstatic void 1152145247Sdamienipw_release_sbd(struct ipw_softc *sc, struct ipw_soft_bd *sbd) 1153145247Sdamien{ 1154145247Sdamien struct ipw_soft_hdr *shdr; 1155145247Sdamien struct ipw_soft_buf *sbuf; 1156145247Sdamien 1157145247Sdamien switch (sbd->type) { 1158145247Sdamien case IPW_SBD_TYPE_COMMAND: 1159145247Sdamien bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map, 1160145247Sdamien BUS_DMASYNC_POSTWRITE); 1161145247Sdamien bus_dmamap_unload(sc->cmd_dmat, sc->cmd_map); 1162145247Sdamien break; 1163145247Sdamien 1164145247Sdamien case IPW_SBD_TYPE_HEADER: 1165145247Sdamien shdr = sbd->priv; 1166145247Sdamien bus_dmamap_sync(sc->hdr_dmat, shdr->map, BUS_DMASYNC_POSTWRITE); 1167145247Sdamien bus_dmamap_unload(sc->hdr_dmat, shdr->map); 1168145247Sdamien SLIST_INSERT_HEAD(&sc->free_shdr, shdr, next); 1169145247Sdamien break; 1170145247Sdamien 1171145247Sdamien case IPW_SBD_TYPE_DATA: 1172145247Sdamien sbuf = sbd->priv; 1173145247Sdamien bus_dmamap_sync(sc->txbuf_dmat, sbuf->map, 1174145247Sdamien BUS_DMASYNC_POSTWRITE); 1175145247Sdamien bus_dmamap_unload(sc->txbuf_dmat, sbuf->map); 1176145247Sdamien SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next); 1177145247Sdamien 1178170530Ssam if (sbuf->m->m_flags & M_TXCB) 1179170530Ssam ieee80211_process_callback(sbuf->ni, sbuf->m, 0/*XXX*/); 1180145247Sdamien m_freem(sbuf->m); 1181145247Sdamien ieee80211_free_node(sbuf->ni); 1182145247Sdamien 1183145247Sdamien sc->sc_tx_timer = 0; 1184145247Sdamien break; 1185145247Sdamien } 1186145247Sdamien 1187145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 1188145247Sdamien} 1189145247Sdamien 1190145247Sdamienstatic void 1191145247Sdamienipw_tx_intr(struct ipw_softc *sc) 1192145247Sdamien{ 1193145247Sdamien struct ifnet *ifp = sc->sc_ic.ic_ifp; 1194145247Sdamien struct ipw_soft_bd *sbd; 1195145247Sdamien uint32_t r, i; 1196145247Sdamien 1197145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1198145247Sdamien return; 1199145247Sdamien 1200145247Sdamien r = CSR_READ_4(sc, IPW_CSR_TX_READ); 1201145247Sdamien 1202145247Sdamien for (i = (sc->txold + 1) % IPW_NTBD; i != r; i = (i + 1) % IPW_NTBD) { 1203145247Sdamien sbd = &sc->stbd_list[i]; 1204145247Sdamien 1205145247Sdamien if (sbd->type == IPW_SBD_TYPE_DATA) 1206145247Sdamien ifp->if_opackets++; 1207145247Sdamien 1208145247Sdamien ipw_release_sbd(sc, sbd); 1209145247Sdamien sc->txfree++; 1210145247Sdamien } 1211145247Sdamien 1212145247Sdamien /* remember what the firmware has processed */ 1213145247Sdamien sc->txold = (r == 0) ? IPW_NTBD - 1 : r - 1; 1214145247Sdamien 1215148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1216145247Sdamien ipw_start(ifp); 1217145247Sdamien} 1218145247Sdamien 1219145247Sdamienstatic void 1220145247Sdamienipw_intr(void *arg) 1221145247Sdamien{ 1222145247Sdamien struct ipw_softc *sc = arg; 1223145247Sdamien uint32_t r; 1224145247Sdamien 1225156599Sdamien mtx_lock(&sc->sc_mtx); 1226145247Sdamien 1227145247Sdamien if ((r = CSR_READ_4(sc, IPW_CSR_INTR)) == 0 || r == 0xffffffff) { 1228156599Sdamien mtx_unlock(&sc->sc_mtx); 1229145247Sdamien return; 1230145247Sdamien } 1231145247Sdamien 1232145247Sdamien /* disable interrupts */ 1233145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0); 1234145247Sdamien 1235156599Sdamien /* acknowledge all interrupts */ 1236156599Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR, r); 1237156599Sdamien 1238145247Sdamien if (r & (IPW_INTR_FATAL_ERROR | IPW_INTR_PARITY_ERROR)) { 1239156599Sdamien device_printf(sc->sc_dev, "firmware error\n"); 1240156599Sdamien taskqueue_enqueue_fast(taskqueue_fast, &sc->sc_init_task); 1241156599Sdamien r = 0; /* don't process more interrupts */ 1242145247Sdamien } 1243145247Sdamien 1244156599Sdamien if (r & IPW_INTR_FW_INIT_DONE) 1245156599Sdamien wakeup(sc); 1246145247Sdamien 1247145247Sdamien if (r & IPW_INTR_RX_TRANSFER) 1248145247Sdamien ipw_rx_intr(sc); 1249145247Sdamien 1250145247Sdamien if (r & IPW_INTR_TX_TRANSFER) 1251145247Sdamien ipw_tx_intr(sc); 1252145247Sdamien 1253145247Sdamien /* re-enable interrupts */ 1254145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK); 1255145247Sdamien 1256156599Sdamien mtx_unlock(&sc->sc_mtx); 1257145247Sdamien} 1258145247Sdamien 1259145247Sdamienstatic void 1260145247Sdamienipw_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) 1261145247Sdamien{ 1262145247Sdamien if (error != 0) 1263145247Sdamien return; 1264145247Sdamien 1265145247Sdamien KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 1266145247Sdamien 1267145247Sdamien *(bus_addr_t *)arg = segs[0].ds_addr; 1268145247Sdamien} 1269145247Sdamien 1270145247Sdamien/* 1271145247Sdamien * Send a command to the firmware and wait for the acknowledgement. 1272145247Sdamien */ 1273145247Sdamienstatic int 1274145247Sdamienipw_cmd(struct ipw_softc *sc, uint32_t type, void *data, uint32_t len) 1275145247Sdamien{ 1276145247Sdamien struct ipw_soft_bd *sbd; 1277145247Sdamien bus_addr_t physaddr; 1278145247Sdamien int error; 1279145247Sdamien 1280145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1281145247Sdamien 1282145247Sdamien error = bus_dmamap_load(sc->cmd_dmat, sc->cmd_map, &sc->cmd, 1283145247Sdamien sizeof (struct ipw_cmd), ipw_dma_map_addr, &physaddr, 0); 1284145247Sdamien if (error != 0) { 1285145247Sdamien device_printf(sc->sc_dev, "could not map command DMA memory\n"); 1286145247Sdamien return error; 1287145247Sdamien } 1288145247Sdamien 1289145247Sdamien sc->cmd.type = htole32(type); 1290145247Sdamien sc->cmd.subtype = 0; 1291145247Sdamien sc->cmd.len = htole32(len); 1292145247Sdamien sc->cmd.seq = 0; 1293152637Sdamien memcpy(sc->cmd.data, data, len); 1294145247Sdamien 1295145247Sdamien sbd->type = IPW_SBD_TYPE_COMMAND; 1296145247Sdamien sbd->bd->physaddr = htole32(physaddr); 1297145247Sdamien sbd->bd->len = htole32(sizeof (struct ipw_cmd)); 1298145247Sdamien sbd->bd->nfrag = 1; 1299145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_COMMAND | 1300145247Sdamien IPW_BD_FLAG_TX_LAST_FRAGMENT; 1301145247Sdamien 1302145247Sdamien bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map, BUS_DMASYNC_PREWRITE); 1303145247Sdamien bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE); 1304145247Sdamien 1305145247Sdamien DPRINTFN(2, ("sending command (%u, %u, %u, %u)\n", type, 0, 0, len)); 1306145247Sdamien 1307145247Sdamien /* kick firmware */ 1308145247Sdamien sc->txfree--; 1309145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1310145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 1311145247Sdamien 1312145247Sdamien /* wait at most one second for command to complete */ 1313145247Sdamien return msleep(sc, &sc->sc_mtx, 0, "ipwcmd", hz); 1314145247Sdamien} 1315145247Sdamien 1316145247Sdamienstatic int 1317145247Sdamienipw_tx_start(struct ifnet *ifp, struct mbuf *m0, struct ieee80211_node *ni) 1318145247Sdamien{ 1319145247Sdamien struct ipw_softc *sc = ifp->if_softc; 1320145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 1321145247Sdamien struct ieee80211_frame *wh; 1322145247Sdamien struct ipw_soft_bd *sbd; 1323145247Sdamien struct ipw_soft_hdr *shdr; 1324145247Sdamien struct ipw_soft_buf *sbuf; 1325145247Sdamien struct ieee80211_key *k; 1326145247Sdamien struct mbuf *mnew; 1327145247Sdamien bus_dma_segment_t segs[IPW_MAX_NSEG]; 1328145247Sdamien bus_addr_t physaddr; 1329145247Sdamien int nsegs, error, i; 1330145247Sdamien 1331145247Sdamien wh = mtod(m0, struct ieee80211_frame *); 1332145247Sdamien 1333145247Sdamien if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1334145247Sdamien k = ieee80211_crypto_encap(ic, ni, m0); 1335147806Ssam if (k == NULL) { 1336147806Ssam m_freem(m0); 1337145247Sdamien return ENOBUFS; 1338147806Ssam } 1339145247Sdamien 1340145247Sdamien /* packet header may have moved, reset our local pointer */ 1341145247Sdamien wh = mtod(m0, struct ieee80211_frame *); 1342145247Sdamien } 1343145247Sdamien 1344159180Scsjp if (bpf_peers_present(sc->sc_drvbpf)) { 1345145247Sdamien struct ipw_tx_radiotap_header *tap = &sc->sc_txtap; 1346145247Sdamien 1347145247Sdamien tap->wt_flags = 0; 1348156599Sdamien tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 1349156599Sdamien tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 1350145247Sdamien 1351145247Sdamien bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 1352145247Sdamien } 1353145247Sdamien 1354145247Sdamien shdr = SLIST_FIRST(&sc->free_shdr); 1355145247Sdamien sbuf = SLIST_FIRST(&sc->free_sbuf); 1356145247Sdamien KASSERT(shdr != NULL && sbuf != NULL, ("empty sw hdr/buf pool")); 1357145247Sdamien 1358145247Sdamien shdr->hdr.type = htole32(IPW_HDR_TYPE_SEND); 1359145247Sdamien shdr->hdr.subtype = 0; 1360145247Sdamien shdr->hdr.encrypted = (wh->i_fc[1] & IEEE80211_FC1_WEP) ? 1 : 0; 1361145247Sdamien shdr->hdr.encrypt = 0; 1362145247Sdamien shdr->hdr.keyidx = 0; 1363145247Sdamien shdr->hdr.keysz = 0; 1364145247Sdamien shdr->hdr.fragmentsz = 0; 1365145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.src_addr, wh->i_addr2); 1366145247Sdamien if (ic->ic_opmode == IEEE80211_M_STA) 1367145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr3); 1368145247Sdamien else 1369145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr1); 1370145247Sdamien 1371145247Sdamien /* trim IEEE802.11 header */ 1372145247Sdamien m_adj(m0, sizeof (struct ieee80211_frame)); 1373145247Sdamien 1374145247Sdamien error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0, segs, 1375145247Sdamien &nsegs, 0); 1376145247Sdamien if (error != 0 && error != EFBIG) { 1377145247Sdamien device_printf(sc->sc_dev, "could not map mbuf (error %d)\n", 1378145247Sdamien error); 1379145247Sdamien m_freem(m0); 1380145247Sdamien return error; 1381145247Sdamien } 1382145247Sdamien if (error != 0) { 1383145247Sdamien mnew = m_defrag(m0, M_DONTWAIT); 1384145247Sdamien if (mnew == NULL) { 1385145247Sdamien device_printf(sc->sc_dev, 1386145247Sdamien "could not defragment mbuf\n"); 1387145247Sdamien m_freem(m0); 1388145247Sdamien return ENOBUFS; 1389145247Sdamien } 1390145247Sdamien m0 = mnew; 1391145247Sdamien 1392145247Sdamien error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0, 1393145247Sdamien segs, &nsegs, 0); 1394145247Sdamien if (error != 0) { 1395145247Sdamien device_printf(sc->sc_dev, 1396145247Sdamien "could not map mbuf (error %d)\n", error); 1397145247Sdamien m_freem(m0); 1398145247Sdamien return error; 1399145247Sdamien } 1400145247Sdamien } 1401145247Sdamien 1402145247Sdamien error = bus_dmamap_load(sc->hdr_dmat, shdr->map, &shdr->hdr, 1403145247Sdamien sizeof (struct ipw_hdr), ipw_dma_map_addr, &physaddr, 0); 1404145247Sdamien if (error != 0) { 1405145247Sdamien device_printf(sc->sc_dev, "could not map header DMA memory\n"); 1406145247Sdamien bus_dmamap_unload(sc->txbuf_dmat, sbuf->map); 1407145247Sdamien m_freem(m0); 1408145247Sdamien return error; 1409145247Sdamien } 1410145247Sdamien 1411145247Sdamien SLIST_REMOVE_HEAD(&sc->free_sbuf, next); 1412145247Sdamien SLIST_REMOVE_HEAD(&sc->free_shdr, next); 1413145247Sdamien 1414145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1415145247Sdamien sbd->type = IPW_SBD_TYPE_HEADER; 1416145247Sdamien sbd->priv = shdr; 1417145247Sdamien sbd->bd->physaddr = htole32(physaddr); 1418145247Sdamien sbd->bd->len = htole32(sizeof (struct ipw_hdr)); 1419145247Sdamien sbd->bd->nfrag = 1 + nsegs; 1420145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3 | 1421145247Sdamien IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT; 1422145247Sdamien 1423145247Sdamien DPRINTFN(5, ("sending tx hdr (%u, %u, %u, %u, %6D, %6D)\n", 1424145247Sdamien shdr->hdr.type, shdr->hdr.subtype, shdr->hdr.encrypted, 1425145247Sdamien shdr->hdr.encrypt, shdr->hdr.src_addr, ":", shdr->hdr.dst_addr, 1426145247Sdamien ":")); 1427145247Sdamien 1428145247Sdamien sc->txfree--; 1429145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1430145247Sdamien 1431145247Sdamien sbuf->m = m0; 1432145247Sdamien sbuf->ni = ni; 1433145247Sdamien 1434145247Sdamien for (i = 0; i < nsegs; i++) { 1435145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1436145247Sdamien 1437145247Sdamien sbd->bd->physaddr = htole32(segs[i].ds_addr); 1438145247Sdamien sbd->bd->len = htole32(segs[i].ds_len); 1439145247Sdamien sbd->bd->nfrag = 0; 1440145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3; 1441145247Sdamien if (i == nsegs - 1) { 1442145247Sdamien sbd->type = IPW_SBD_TYPE_DATA; 1443145247Sdamien sbd->priv = sbuf; 1444145247Sdamien sbd->bd->flags |= IPW_BD_FLAG_TX_LAST_FRAGMENT; 1445145247Sdamien } else { 1446145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 1447145247Sdamien sbd->bd->flags |= IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT; 1448145247Sdamien } 1449145247Sdamien 1450145247Sdamien DPRINTFN(5, ("sending fragment (%d, %d)\n", i, segs[i].ds_len)); 1451145247Sdamien 1452145247Sdamien sc->txfree--; 1453145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1454145247Sdamien } 1455145247Sdamien 1456145247Sdamien bus_dmamap_sync(sc->hdr_dmat, shdr->map, BUS_DMASYNC_PREWRITE); 1457145247Sdamien bus_dmamap_sync(sc->txbuf_dmat, sbuf->map, BUS_DMASYNC_PREWRITE); 1458145247Sdamien bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE); 1459145247Sdamien 1460145247Sdamien /* kick firmware */ 1461145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 1462145247Sdamien 1463145247Sdamien return 0; 1464145247Sdamien} 1465145247Sdamien 1466145247Sdamienstatic void 1467145247Sdamienipw_start(struct ifnet *ifp) 1468145247Sdamien{ 1469145247Sdamien struct ipw_softc *sc = ifp->if_softc; 1470145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 1471145247Sdamien struct mbuf *m0; 1472145247Sdamien struct ether_header *eh; 1473145247Sdamien struct ieee80211_node *ni; 1474145247Sdamien 1475156599Sdamien mtx_lock(&sc->sc_mtx); 1476145247Sdamien 1477145247Sdamien if (ic->ic_state != IEEE80211_S_RUN) { 1478156599Sdamien mtx_unlock(&sc->sc_mtx); 1479145247Sdamien return; 1480145247Sdamien } 1481145247Sdamien 1482145247Sdamien for (;;) { 1483145247Sdamien IFQ_DRV_DEQUEUE(&ifp->if_snd, m0); 1484145247Sdamien if (m0 == NULL) 1485145247Sdamien break; 1486145247Sdamien 1487145247Sdamien if (sc->txfree < 1 + IPW_MAX_NSEG) { 1488145247Sdamien IFQ_DRV_PREPEND(&ifp->if_snd, m0); 1489148887Srwatson ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1490145247Sdamien break; 1491145247Sdamien } 1492145247Sdamien 1493145247Sdamien if (m0->m_len < sizeof (struct ether_header) && 1494145247Sdamien (m0 = m_pullup(m0, sizeof (struct ether_header))) == NULL) 1495145247Sdamien continue; 1496145247Sdamien 1497145247Sdamien eh = mtod(m0, struct ether_header *); 1498145247Sdamien ni = ieee80211_find_txnode(ic, eh->ether_dhost); 1499145247Sdamien if (ni == NULL) { 1500145247Sdamien m_freem(m0); 1501145247Sdamien continue; 1502145247Sdamien } 1503145247Sdamien BPF_MTAP(ifp, m0); 1504145247Sdamien 1505145247Sdamien m0 = ieee80211_encap(ic, m0, ni); 1506145247Sdamien if (m0 == NULL) { 1507145247Sdamien ieee80211_free_node(ni); 1508145247Sdamien continue; 1509145247Sdamien } 1510145247Sdamien 1511159183Ssam if (bpf_peers_present(ic->ic_rawbpf)) 1512145247Sdamien bpf_mtap(ic->ic_rawbpf, m0); 1513145247Sdamien 1514145247Sdamien if (ipw_tx_start(ifp, m0, ni) != 0) { 1515145247Sdamien ieee80211_free_node(ni); 1516145247Sdamien ifp->if_oerrors++; 1517145247Sdamien break; 1518145247Sdamien } 1519145247Sdamien 1520145247Sdamien /* start watchdog timer */ 1521145247Sdamien sc->sc_tx_timer = 5; 1522145247Sdamien ifp->if_timer = 1; 1523145247Sdamien } 1524145247Sdamien 1525156599Sdamien mtx_unlock(&sc->sc_mtx); 1526145247Sdamien} 1527145247Sdamien 1528145247Sdamienstatic void 1529145247Sdamienipw_watchdog(struct ifnet *ifp) 1530145247Sdamien{ 1531145247Sdamien struct ipw_softc *sc = ifp->if_softc; 1532145247Sdamien 1533156599Sdamien mtx_lock(&sc->sc_mtx); 1534156599Sdamien 1535145247Sdamien ifp->if_timer = 0; 1536145247Sdamien 1537145247Sdamien if (sc->sc_tx_timer > 0) { 1538145247Sdamien if (--sc->sc_tx_timer == 0) { 1539145247Sdamien if_printf(ifp, "device timeout\n"); 1540145247Sdamien ifp->if_oerrors++; 1541156599Sdamien taskqueue_enqueue_fast(taskqueue_fast, 1542156599Sdamien &sc->sc_init_task); 1543156599Sdamien mtx_unlock(&sc->sc_mtx); 1544145247Sdamien return; 1545145247Sdamien } 1546145247Sdamien ifp->if_timer = 1; 1547145247Sdamien } 1548145247Sdamien 1549156599Sdamien mtx_unlock(&sc->sc_mtx); 1550145247Sdamien} 1551145247Sdamien 1552145247Sdamienstatic int 1553145247Sdamienipw_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1554145247Sdamien{ 1555145247Sdamien struct ipw_softc *sc = ifp->if_softc; 1556145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 1557145247Sdamien int error = 0; 1558145247Sdamien 1559156599Sdamien mtx_lock(&sc->sc_mtx); 1560145247Sdamien 1561145247Sdamien switch (cmd) { 1562145247Sdamien case SIOCSIFFLAGS: 1563145247Sdamien if (ifp->if_flags & IFF_UP) { 1564148887Srwatson if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 1565145247Sdamien ipw_init(sc); 1566145247Sdamien } else { 1567148887Srwatson if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1568145247Sdamien ipw_stop(sc); 1569145247Sdamien } 1570145247Sdamien break; 1571145247Sdamien 1572145247Sdamien default: 1573145247Sdamien error = ieee80211_ioctl(ic, cmd, data); 1574145247Sdamien } 1575145247Sdamien 1576145247Sdamien if (error == ENETRESET) { 1577148887Srwatson if ((ifp->if_flags & IFF_UP) && 1578148887Srwatson (ifp->if_drv_flags & IFF_DRV_RUNNING)) 1579145247Sdamien ipw_init(sc); 1580145247Sdamien error = 0; 1581145247Sdamien } 1582145247Sdamien 1583156599Sdamien mtx_unlock(&sc->sc_mtx); 1584145247Sdamien 1585145247Sdamien return error; 1586145247Sdamien} 1587145247Sdamien 1588145247Sdamienstatic void 1589145247Sdamienipw_stop_master(struct ipw_softc *sc) 1590145247Sdamien{ 1591156599Sdamien uint32_t tmp; 1592145247Sdamien int ntries; 1593145247Sdamien 1594145247Sdamien /* disable interrupts */ 1595145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0); 1596145247Sdamien 1597145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_STOP_MASTER); 1598145247Sdamien for (ntries = 0; ntries < 50; ntries++) { 1599145247Sdamien if (CSR_READ_4(sc, IPW_CSR_RST) & IPW_RST_MASTER_DISABLED) 1600145247Sdamien break; 1601145247Sdamien DELAY(10); 1602145247Sdamien } 1603145247Sdamien if (ntries == 50) 1604145247Sdamien device_printf(sc->sc_dev, "timeout waiting for master\n"); 1605145247Sdamien 1606156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_RST); 1607156599Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_PRINCETON_RESET); 1608145247Sdamien 1609145247Sdamien sc->flags &= ~IPW_FLAG_FW_INITED; 1610145247Sdamien} 1611145247Sdamien 1612145247Sdamienstatic int 1613145247Sdamienipw_reset(struct ipw_softc *sc) 1614145247Sdamien{ 1615156599Sdamien uint32_t tmp; 1616145247Sdamien int ntries; 1617145247Sdamien 1618145247Sdamien ipw_stop_master(sc); 1619145247Sdamien 1620145247Sdamien /* move adapter to D0 state */ 1621156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1622156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_INIT); 1623145247Sdamien 1624145247Sdamien /* wait for clock stabilization */ 1625145247Sdamien for (ntries = 0; ntries < 1000; ntries++) { 1626145247Sdamien if (CSR_READ_4(sc, IPW_CSR_CTL) & IPW_CTL_CLOCK_READY) 1627145247Sdamien break; 1628145247Sdamien DELAY(200); 1629145247Sdamien } 1630145247Sdamien if (ntries == 1000) 1631145247Sdamien return EIO; 1632145247Sdamien 1633156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_RST); 1634156599Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_SW_RESET); 1635145247Sdamien 1636145247Sdamien DELAY(10); 1637145247Sdamien 1638156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1639156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_INIT); 1640145247Sdamien 1641145247Sdamien return 0; 1642145247Sdamien} 1643145247Sdamien 1644145247Sdamien/* 1645145247Sdamien * Upload the microcode to the device. 1646145247Sdamien */ 1647145247Sdamienstatic int 1648156599Sdamienipw_load_ucode(struct ipw_softc *sc, const char *uc, int size) 1649145247Sdamien{ 1650145247Sdamien int ntries; 1651145247Sdamien 1652145247Sdamien MEM_WRITE_4(sc, 0x3000e0, 0x80000000); 1653145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, 0); 1654145247Sdamien 1655145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0703); 1656145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0707); 1657145247Sdamien 1658145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1659145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1660145247Sdamien 1661145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x40); 1662145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1663145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x40); 1664145247Sdamien 1665145247Sdamien MEM_WRITE_MULTI_1(sc, 0x210010, uc, size); 1666145247Sdamien 1667145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1668145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1669145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x80); 1670145247Sdamien 1671145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0703); 1672145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0707); 1673145247Sdamien 1674145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1675145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1676145247Sdamien 1677145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1678145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x80); 1679145247Sdamien 1680145247Sdamien for (ntries = 0; ntries < 10; ntries++) { 1681145247Sdamien if (MEM_READ_1(sc, 0x210000) & 1) 1682145247Sdamien break; 1683145247Sdamien DELAY(10); 1684145247Sdamien } 1685145247Sdamien if (ntries == 10) { 1686145247Sdamien device_printf(sc->sc_dev, 1687145247Sdamien "timeout waiting for ucode to initialize\n"); 1688145247Sdamien return EIO; 1689145247Sdamien } 1690145247Sdamien 1691145247Sdamien MEM_WRITE_4(sc, 0x3000e0, 0); 1692145247Sdamien 1693145247Sdamien return 0; 1694145247Sdamien} 1695145247Sdamien 1696145247Sdamien/* set of macros to handle unaligned little endian data in firmware image */ 1697145247Sdamien#define GETLE32(p) ((p)[0] | (p)[1] << 8 | (p)[2] << 16 | (p)[3] << 24) 1698145247Sdamien#define GETLE16(p) ((p)[0] | (p)[1] << 8) 1699145247Sdamienstatic int 1700156599Sdamienipw_load_firmware(struct ipw_softc *sc, const char *fw, int size) 1701145247Sdamien{ 1702156599Sdamien const uint8_t *p, *end; 1703156599Sdamien uint32_t tmp, dst; 1704145247Sdamien uint16_t len; 1705145247Sdamien int error; 1706145247Sdamien 1707145247Sdamien p = fw; 1708145247Sdamien end = fw + size; 1709145247Sdamien while (p < end) { 1710145247Sdamien dst = GETLE32(p); p += 4; 1711145247Sdamien len = GETLE16(p); p += 2; 1712145247Sdamien 1713145247Sdamien ipw_write_mem_1(sc, dst, p, len); 1714145247Sdamien p += len; 1715145247Sdamien } 1716145247Sdamien 1717145247Sdamien CSR_WRITE_4(sc, IPW_CSR_IO, IPW_IO_GPIO1_ENABLE | IPW_IO_GPIO3_MASK | 1718145247Sdamien IPW_IO_LED_OFF); 1719145247Sdamien 1720145247Sdamien /* enable interrupts */ 1721145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK); 1722145247Sdamien 1723145247Sdamien /* kick the firmware */ 1724145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, 0); 1725145247Sdamien 1726156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1727156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_ALLOW_STANDBY); 1728145247Sdamien 1729145247Sdamien /* wait at most one second for firmware initialization to complete */ 1730145247Sdamien if ((error = msleep(sc, &sc->sc_mtx, 0, "ipwinit", hz)) != 0) { 1731145247Sdamien device_printf(sc->sc_dev, "timeout waiting for firmware " 1732145247Sdamien "initialization to complete\n"); 1733145247Sdamien return error; 1734145247Sdamien } 1735145247Sdamien 1736156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_IO); 1737156599Sdamien CSR_WRITE_4(sc, IPW_CSR_IO, tmp | IPW_IO_GPIO1_MASK | 1738156599Sdamien IPW_IO_GPIO3_MASK); 1739145247Sdamien 1740145247Sdamien return 0; 1741145247Sdamien} 1742145247Sdamien 1743145247Sdamienstatic int 1744145247Sdamienipw_config(struct ipw_softc *sc) 1745145247Sdamien{ 1746145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 1747145247Sdamien struct ifnet *ifp = ic->ic_ifp; 1748145247Sdamien struct ipw_security security; 1749145247Sdamien struct ieee80211_key *k; 1750145247Sdamien struct ipw_wep_key wepkey; 1751145247Sdamien struct ipw_scan_options options; 1752145247Sdamien struct ipw_configuration config; 1753145247Sdamien uint32_t data; 1754145247Sdamien int error, i; 1755145247Sdamien 1756145247Sdamien switch (ic->ic_opmode) { 1757145247Sdamien case IEEE80211_M_STA: 1758145247Sdamien case IEEE80211_M_HOSTAP: 1759170530Ssam case IEEE80211_M_WDS: /* XXX */ 1760145247Sdamien data = htole32(IPW_MODE_BSS); 1761145247Sdamien break; 1762145247Sdamien case IEEE80211_M_IBSS: 1763145247Sdamien case IEEE80211_M_AHDEMO: 1764145247Sdamien data = htole32(IPW_MODE_IBSS); 1765145247Sdamien break; 1766145247Sdamien case IEEE80211_M_MONITOR: 1767145247Sdamien data = htole32(IPW_MODE_MONITOR); 1768145247Sdamien break; 1769145247Sdamien } 1770145247Sdamien DPRINTF(("Setting mode to %u\n", le32toh(data))); 1771145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_MODE, &data, sizeof data); 1772145247Sdamien if (error != 0) 1773145247Sdamien return error; 1774145247Sdamien 1775145247Sdamien if (ic->ic_opmode == IEEE80211_M_IBSS || 1776145247Sdamien ic->ic_opmode == IEEE80211_M_MONITOR) { 1777156599Sdamien data = htole32(ieee80211_chan2ieee(ic, ic->ic_curchan)); 1778145247Sdamien DPRINTF(("Setting channel to %u\n", le32toh(data))); 1779145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_CHANNEL, &data, sizeof data); 1780145247Sdamien if (error != 0) 1781145247Sdamien return error; 1782145247Sdamien } 1783145247Sdamien 1784145247Sdamien if (ic->ic_opmode == IEEE80211_M_MONITOR) { 1785145247Sdamien DPRINTF(("Enabling adapter\n")); 1786145247Sdamien return ipw_cmd(sc, IPW_CMD_ENABLE, NULL, 0); 1787145247Sdamien } 1788145247Sdamien 1789145247Sdamien IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp)); 1790145247Sdamien DPRINTF(("Setting MAC address to %6D\n", ic->ic_myaddr, ":")); 1791145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_MAC_ADDRESS, ic->ic_myaddr, 1792145247Sdamien IEEE80211_ADDR_LEN); 1793145247Sdamien if (error != 0) 1794145247Sdamien return error; 1795145247Sdamien 1796145247Sdamien config.flags = htole32(IPW_CFG_BSS_MASK | IPW_CFG_IBSS_MASK | 1797145247Sdamien IPW_CFG_PREAMBLE_AUTO | IPW_CFG_802_1x_ENABLE); 1798145247Sdamien if (ic->ic_opmode == IEEE80211_M_IBSS) 1799145247Sdamien config.flags |= htole32(IPW_CFG_IBSS_AUTO_START); 1800145247Sdamien if (ifp->if_flags & IFF_PROMISC) 1801145247Sdamien config.flags |= htole32(IPW_CFG_PROMISCUOUS); 1802145247Sdamien config.bss_chan = htole32(0x3fff); /* channels 1-14 */ 1803145247Sdamien config.ibss_chan = htole32(0x7ff); /* channels 1-11 */ 1804145247Sdamien DPRINTF(("Setting configuration to 0x%x\n", le32toh(config.flags))); 1805145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_CONFIGURATION, &config, sizeof config); 1806145247Sdamien if (error != 0) 1807145247Sdamien return error; 1808145247Sdamien 1809145247Sdamien data = htole32(0x3); /* 1, 2 */ 1810145247Sdamien DPRINTF(("Setting basic tx rates to 0x%x\n", le32toh(data))); 1811145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_BASIC_TX_RATES, &data, sizeof data); 1812145247Sdamien if (error != 0) 1813145247Sdamien return error; 1814145247Sdamien 1815145247Sdamien data = htole32(0xf); /* 1, 2, 5.5, 11 */ 1816145247Sdamien DPRINTF(("Setting tx rates to 0x%x\n", le32toh(data))); 1817145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_TX_RATES, &data, sizeof data); 1818145247Sdamien if (error != 0) 1819145247Sdamien return error; 1820145247Sdamien 1821145247Sdamien data = htole32(IPW_POWER_MODE_CAM); 1822145247Sdamien DPRINTF(("Setting power mode to %u\n", le32toh(data))); 1823145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_POWER_MODE, &data, sizeof data); 1824145247Sdamien if (error != 0) 1825145247Sdamien return error; 1826145247Sdamien 1827145247Sdamien if (ic->ic_opmode == IEEE80211_M_IBSS) { 1828145247Sdamien data = htole32(32); /* default value */ 1829145247Sdamien DPRINTF(("Setting tx power index to %u\n", le32toh(data))); 1830145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_TX_POWER_INDEX, &data, 1831145247Sdamien sizeof data); 1832145247Sdamien if (error != 0) 1833145247Sdamien return error; 1834145247Sdamien } 1835145247Sdamien 1836145247Sdamien data = htole32(ic->ic_rtsthreshold); 1837145247Sdamien DPRINTF(("Setting RTS threshold to %u\n", le32toh(data))); 1838145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_RTS_THRESHOLD, &data, sizeof data); 1839145247Sdamien if (error != 0) 1840145247Sdamien return error; 1841145247Sdamien 1842145247Sdamien data = htole32(ic->ic_fragthreshold); 1843145247Sdamien DPRINTF(("Setting frag threshold to %u\n", le32toh(data))); 1844145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_FRAG_THRESHOLD, &data, sizeof data); 1845145247Sdamien if (error != 0) 1846145247Sdamien return error; 1847145247Sdamien 1848145247Sdamien#ifdef IPW_DEBUG 1849145247Sdamien if (ipw_debug > 0) { 1850145247Sdamien printf("Setting ESSID to "); 1851171255Savatar ieee80211_print_essid(ic->ic_des_ssid[0].ssid, 1852171255Savatar ic->ic_des_ssid[0].len); 1853145247Sdamien printf("\n"); 1854145247Sdamien } 1855145247Sdamien#endif 1856170530Ssam error = ipw_cmd(sc, IPW_CMD_SET_ESSID, ic->ic_des_ssid[0].ssid, 1857170530Ssam ic->ic_des_ssid[0].len); 1858145247Sdamien if (error != 0) 1859145247Sdamien return error; 1860145247Sdamien 1861145247Sdamien /* no mandatory BSSID */ 1862145247Sdamien DPRINTF(("Setting mandatory BSSID to null\n")); 1863145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID, NULL, 0); 1864145247Sdamien if (error != 0) 1865145247Sdamien return error; 1866145247Sdamien 1867145247Sdamien if (ic->ic_flags & IEEE80211_F_DESBSSID) { 1868145247Sdamien DPRINTF(("Setting desired BSSID to %6D\n", ic->ic_des_bssid, 1869145247Sdamien ":")); 1870145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_DESIRED_BSSID, 1871145247Sdamien ic->ic_des_bssid, IEEE80211_ADDR_LEN); 1872145247Sdamien if (error != 0) 1873145247Sdamien return error; 1874145247Sdamien } 1875145247Sdamien 1876152637Sdamien memset(&security, 0, sizeof security); 1877145247Sdamien security.authmode = (ic->ic_bss->ni_authmode == IEEE80211_AUTH_SHARED) ? 1878145247Sdamien IPW_AUTH_SHARED : IPW_AUTH_OPEN; 1879145247Sdamien security.ciphers = htole32(IPW_CIPHER_NONE); 1880145247Sdamien DPRINTF(("Setting authmode to %u\n", security.authmode)); 1881145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_SECURITY_INFORMATION, &security, 1882145247Sdamien sizeof security); 1883145247Sdamien if (error != 0) 1884145247Sdamien return error; 1885145247Sdamien 1886145247Sdamien if (ic->ic_flags & IEEE80211_F_PRIVACY) { 1887145247Sdamien k = ic->ic_crypto.cs_nw_keys; 1888145247Sdamien for (i = 0; i < IEEE80211_WEP_NKID; i++, k++) { 1889145247Sdamien if (k->wk_keylen == 0) 1890145247Sdamien continue; 1891145247Sdamien 1892145247Sdamien wepkey.idx = i; 1893145247Sdamien wepkey.len = k->wk_keylen; 1894152637Sdamien memset(wepkey.key, 0, sizeof wepkey.key); 1895152637Sdamien memcpy(wepkey.key, k->wk_key, k->wk_keylen); 1896145247Sdamien DPRINTF(("Setting wep key index %u len %u\n", 1897145247Sdamien wepkey.idx, wepkey.len)); 1898145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY, &wepkey, 1899145247Sdamien sizeof wepkey); 1900145247Sdamien if (error != 0) 1901145247Sdamien return error; 1902145247Sdamien } 1903145247Sdamien 1904145247Sdamien data = htole32(ic->ic_crypto.cs_def_txkey); 1905145247Sdamien DPRINTF(("Setting wep tx key index to %u\n", le32toh(data))); 1906145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY_INDEX, &data, 1907145247Sdamien sizeof data); 1908145247Sdamien if (error != 0) 1909145247Sdamien return error; 1910145247Sdamien } 1911145247Sdamien 1912145247Sdamien data = htole32((ic->ic_flags & IEEE80211_F_PRIVACY) ? IPW_WEPON : 0); 1913145247Sdamien DPRINTF(("Setting wep flags to 0x%x\n", le32toh(data))); 1914145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_WEP_FLAGS, &data, sizeof data); 1915145247Sdamien if (error != 0) 1916145247Sdamien return error; 1917145247Sdamien 1918145247Sdamien#if 0 1919145247Sdamien struct ipw_wpa_ie ie; 1920145247Sdamien 1921152637Sdamien memset(&ie, 0, sizeof ie); 1922145247Sdamien ie.len = htole32(sizeof (struct ieee80211_ie_wpa)); 1923145247Sdamien DPRINTF(("Setting wpa ie\n")); 1924145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_WPA_IE, &ie, sizeof ie); 1925145247Sdamien if (error != 0) 1926145247Sdamien return error; 1927145247Sdamien#endif 1928145247Sdamien 1929145247Sdamien if (ic->ic_opmode == IEEE80211_M_IBSS) { 1930148843Ssam data = htole32(ic->ic_bintval); 1931145247Sdamien DPRINTF(("Setting beacon interval to %u\n", le32toh(data))); 1932145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_BEACON_INTERVAL, &data, 1933145247Sdamien sizeof data); 1934145247Sdamien if (error != 0) 1935145247Sdamien return error; 1936145247Sdamien } 1937145247Sdamien 1938145247Sdamien options.flags = 0; 1939145247Sdamien options.channels = htole32(0x3fff); /* scan channels 1-14 */ 1940145247Sdamien DPRINTF(("Setting scan options to 0x%x\n", le32toh(options.flags))); 1941145247Sdamien error = ipw_cmd(sc, IPW_CMD_SET_SCAN_OPTIONS, &options, sizeof options); 1942145247Sdamien if (error != 0) 1943145247Sdamien return error; 1944145247Sdamien 1945145247Sdamien /* finally, enable adapter (start scanning for an access point) */ 1946145247Sdamien DPRINTF(("Enabling adapter\n")); 1947145247Sdamien return ipw_cmd(sc, IPW_CMD_ENABLE, NULL, 0); 1948145247Sdamien} 1949145247Sdamien 1950156599Sdamien/* 1951156599Sdamien * Handler for sc_init_task. This is a simple wrapper around ipw_init(). 1952156599Sdamien * It is called on firmware panics or on watchdog timeouts. 1953156599Sdamien */ 1954145247Sdamienstatic void 1955156599Sdamienipw_init_task(void *context, int pending) 1956156599Sdamien{ 1957156599Sdamien ipw_init(context); 1958156599Sdamien} 1959156599Sdamien 1960156599Sdamienstatic void 1961145247Sdamienipw_init(void *priv) 1962145247Sdamien{ 1963145247Sdamien struct ipw_softc *sc = priv; 1964145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 1965145247Sdamien struct ifnet *ifp = ic->ic_ifp; 1966166756Sluigi const struct firmware *fp; 1967156599Sdamien const struct ipw_firmware_hdr *hdr; 1968156599Sdamien const char *imagename, *fw; 1969156599Sdamien int owned; 1970145247Sdamien 1971156599Sdamien /* 1972156599Sdamien * ipw_init() is exposed through ifp->if_init so it might be called 1973156599Sdamien * without the driver's lock held. Since msleep() doesn't like being 1974156599Sdamien * called on a recursed mutex, we acquire the driver's lock only if 1975156599Sdamien * we're not already holding it. 1976156599Sdamien */ 1977156599Sdamien if (!(owned = mtx_owned(&sc->sc_mtx))) 1978156599Sdamien mtx_lock(&sc->sc_mtx); 1979156599Sdamien 1980156599Sdamien /* 1981156599Sdamien * Avoid re-entrant calls. We need to release the mutex in ipw_init() 1982156599Sdamien * when loading the firmware and we don't want to be called during this 1983156599Sdamien * operation. 1984156599Sdamien */ 1985156599Sdamien if (sc->flags & IPW_FLAG_INIT_LOCKED) { 1986156599Sdamien if (!owned) 1987156599Sdamien mtx_unlock(&sc->sc_mtx); 1988145247Sdamien return; 1989145247Sdamien } 1990156599Sdamien sc->flags |= IPW_FLAG_INIT_LOCKED; 1991145247Sdamien 1992145247Sdamien ipw_stop(sc); 1993145247Sdamien 1994145247Sdamien if (ipw_reset(sc) != 0) { 1995145247Sdamien device_printf(sc->sc_dev, "could not reset adapter\n"); 1996156599Sdamien goto fail1; 1997145247Sdamien } 1998145247Sdamien 1999156599Sdamien switch (ic->ic_opmode) { 2000156599Sdamien case IEEE80211_M_STA: 2001156599Sdamien imagename = "ipw_bss"; 2002156599Sdamien break; 2003156599Sdamien case IEEE80211_M_IBSS: 2004156599Sdamien imagename = "ipw_ibss"; 2005156599Sdamien break; 2006156599Sdamien case IEEE80211_M_MONITOR: 2007156599Sdamien imagename = "ipw_monitor"; 2008156599Sdamien break; 2009156599Sdamien default: 2010156599Sdamien imagename = NULL; /* should not get there */ 2011156599Sdamien } 2012156599Sdamien 2013156599Sdamien /* 2014156599Sdamien * Load firmware image using the firmware(9) subsystem. We need to 2015156599Sdamien * release the driver's lock first. 2016156599Sdamien */ 2017159487Siedowse if (sc->sc_firmware == NULL || strcmp(sc->sc_firmware->name, 2018159487Siedowse imagename) != 0) { 2019159487Siedowse mtx_unlock(&sc->sc_mtx); 2020159487Siedowse if (sc->sc_firmware != NULL) 2021159487Siedowse firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 2022159487Siedowse sc->sc_firmware = firmware_get(imagename); 2023159487Siedowse mtx_lock(&sc->sc_mtx); 2024159487Siedowse } 2025156599Sdamien 2026159487Siedowse if (sc->sc_firmware == NULL) { 2027156599Sdamien device_printf(sc->sc_dev, 2028156599Sdamien "could not load firmware image '%s'\n", imagename); 2029156599Sdamien goto fail1; 2030156599Sdamien } 2031156599Sdamien 2032159487Siedowse fp = sc->sc_firmware; 2033156599Sdamien if (fp->datasize < sizeof *hdr) { 2034156599Sdamien device_printf(sc->sc_dev, 2035156599Sdamien "firmware image too short %zu\n", fp->datasize); 2036156599Sdamien goto fail2; 2037156599Sdamien } 2038156599Sdamien 2039156599Sdamien hdr = (const struct ipw_firmware_hdr *)fp->data; 2040156599Sdamien 2041156599Sdamien if (fp->datasize < sizeof *hdr + le32toh(hdr->mainsz) + 2042156599Sdamien le32toh(hdr->ucodesz)) { 2043156599Sdamien device_printf(sc->sc_dev, 2044156599Sdamien "firmware image too short %zu\n", fp->datasize); 2045156599Sdamien goto fail2; 2046156599Sdamien } 2047156599Sdamien 2048156599Sdamien fw = (const char *)fp->data + sizeof *hdr + le32toh(hdr->mainsz); 2049156599Sdamien if (ipw_load_ucode(sc, fw, le32toh(hdr->ucodesz)) != 0) { 2050145247Sdamien device_printf(sc->sc_dev, "could not load microcode\n"); 2051156599Sdamien goto fail2; 2052145247Sdamien } 2053145247Sdamien 2054145247Sdamien ipw_stop_master(sc); 2055145247Sdamien 2056145247Sdamien /* 2057145247Sdamien * Setup tx, rx and status rings. 2058145247Sdamien */ 2059145247Sdamien sc->txold = IPW_NTBD - 1; 2060145247Sdamien sc->txcur = 0; 2061145247Sdamien sc->txfree = IPW_NTBD - 2; 2062145247Sdamien sc->rxcur = IPW_NRBD - 1; 2063145247Sdamien 2064145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_BASE, sc->tbd_phys); 2065145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_SIZE, IPW_NTBD); 2066145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_READ, 0); 2067145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 2068145247Sdamien 2069145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_BASE, sc->rbd_phys); 2070145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_SIZE, IPW_NRBD); 2071145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_READ, 0); 2072145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_WRITE, sc->rxcur); 2073145247Sdamien 2074145247Sdamien CSR_WRITE_4(sc, IPW_CSR_STATUS_BASE, sc->status_phys); 2075145247Sdamien 2076156599Sdamien fw = (const char *)fp->data + sizeof *hdr; 2077156599Sdamien if (ipw_load_firmware(sc, fw, le32toh(hdr->mainsz)) != 0) { 2078145247Sdamien device_printf(sc->sc_dev, "could not load firmware\n"); 2079156599Sdamien goto fail2; 2080145247Sdamien } 2081145247Sdamien 2082145247Sdamien sc->flags |= IPW_FLAG_FW_INITED; 2083145247Sdamien 2084145247Sdamien /* retrieve information tables base addresses */ 2085145247Sdamien sc->table1_base = CSR_READ_4(sc, IPW_CSR_TABLE1_BASE); 2086145247Sdamien sc->table2_base = CSR_READ_4(sc, IPW_CSR_TABLE2_BASE); 2087145247Sdamien 2088145247Sdamien ipw_write_table1(sc, IPW_INFO_LOCK, 0); 2089145247Sdamien 2090145247Sdamien if (ipw_config(sc) != 0) { 2091145247Sdamien device_printf(sc->sc_dev, "device configuration failed\n"); 2092156599Sdamien goto fail1; 2093145247Sdamien } 2094145247Sdamien 2095148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2096148887Srwatson ifp->if_drv_flags |= IFF_DRV_RUNNING; 2097145247Sdamien 2098156599Sdamien sc->flags &=~ IPW_FLAG_INIT_LOCKED; 2099156599Sdamien 2100156599Sdamien if (!owned) 2101156599Sdamien mtx_unlock(&sc->sc_mtx); 2102156599Sdamien 2103145247Sdamien return; 2104145247Sdamien 2105156599Sdamienfail2: firmware_put(fp, FIRMWARE_UNLOAD); 2106159487Siedowse sc->sc_firmware = NULL; 2107156599Sdamienfail1: ifp->if_flags &= ~IFF_UP; 2108145247Sdamien ipw_stop(sc); 2109156599Sdamien sc->flags &=~ IPW_FLAG_INIT_LOCKED; 2110156599Sdamien if (!owned) 2111156599Sdamien mtx_unlock(&sc->sc_mtx); 2112145247Sdamien} 2113145247Sdamien 2114145247Sdamienstatic void 2115145247Sdamienipw_stop(void *priv) 2116145247Sdamien{ 2117145247Sdamien struct ipw_softc *sc = priv; 2118145247Sdamien struct ieee80211com *ic = &sc->sc_ic; 2119145247Sdamien struct ifnet *ifp = ic->ic_ifp; 2120145247Sdamien int i; 2121145247Sdamien 2122156599Sdamien mtx_lock(&sc->sc_mtx); 2123156599Sdamien 2124156599Sdamien ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 2125156599Sdamien 2126145247Sdamien ipw_stop_master(sc); 2127145247Sdamien 2128145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_SW_RESET); 2129145247Sdamien 2130145247Sdamien /* 2131145247Sdamien * Release tx buffers. 2132145247Sdamien */ 2133145247Sdamien for (i = 0; i < IPW_NTBD; i++) 2134145247Sdamien ipw_release_sbd(sc, &sc->stbd_list[i]); 2135145247Sdamien 2136145247Sdamien sc->sc_tx_timer = 0; 2137145247Sdamien ifp->if_timer = 0; 2138148887Srwatson ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 2139145247Sdamien 2140156599Sdamien mtx_unlock(&sc->sc_mtx); 2141145247Sdamien} 2142145247Sdamien 2143145247Sdamienstatic int 2144145247Sdamienipw_sysctl_stats(SYSCTL_HANDLER_ARGS) 2145145247Sdamien{ 2146145247Sdamien struct ipw_softc *sc = arg1; 2147145247Sdamien uint32_t i, size, buf[256]; 2148145247Sdamien 2149145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) { 2150152637Sdamien memset(buf, 0, sizeof buf); 2151145247Sdamien return SYSCTL_OUT(req, buf, sizeof buf); 2152145247Sdamien } 2153145247Sdamien 2154145247Sdamien CSR_WRITE_4(sc, IPW_CSR_AUTOINC_ADDR, sc->table1_base); 2155145247Sdamien 2156145247Sdamien size = min(CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA), 256); 2157145247Sdamien for (i = 1; i < size; i++) 2158145247Sdamien buf[i] = MEM_READ_4(sc, CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA)); 2159145247Sdamien 2160145247Sdamien return SYSCTL_OUT(req, buf, sizeof buf); 2161145247Sdamien} 2162145247Sdamien 2163145247Sdamienstatic int 2164145247Sdamienipw_sysctl_radio(SYSCTL_HANDLER_ARGS) 2165145247Sdamien{ 2166145247Sdamien struct ipw_softc *sc = arg1; 2167145247Sdamien int val; 2168145247Sdamien 2169145247Sdamien val = !((sc->flags & IPW_FLAG_HAS_RADIO_SWITCH) && 2170145247Sdamien (CSR_READ_4(sc, IPW_CSR_IO) & IPW_IO_RADIO_DISABLED)); 2171145247Sdamien 2172145247Sdamien return SYSCTL_OUT(req, &val, sizeof val); 2173145247Sdamien} 2174145247Sdamien 2175145247Sdamienstatic uint32_t 2176145247Sdamienipw_read_table1(struct ipw_softc *sc, uint32_t off) 2177145247Sdamien{ 2178145247Sdamien return MEM_READ_4(sc, MEM_READ_4(sc, sc->table1_base + off)); 2179145247Sdamien} 2180145247Sdamien 2181145247Sdamienstatic void 2182145247Sdamienipw_write_table1(struct ipw_softc *sc, uint32_t off, uint32_t info) 2183145247Sdamien{ 2184145247Sdamien MEM_WRITE_4(sc, MEM_READ_4(sc, sc->table1_base + off), info); 2185145247Sdamien} 2186145247Sdamien 2187145247Sdamienstatic int 2188145247Sdamienipw_read_table2(struct ipw_softc *sc, uint32_t off, void *buf, uint32_t *len) 2189145247Sdamien{ 2190145247Sdamien uint32_t addr, info; 2191145247Sdamien uint16_t count, size; 2192145247Sdamien uint32_t total; 2193145247Sdamien 2194145247Sdamien /* addr[4] + count[2] + size[2] */ 2195145247Sdamien addr = MEM_READ_4(sc, sc->table2_base + off); 2196145247Sdamien info = MEM_READ_4(sc, sc->table2_base + off + 4); 2197145247Sdamien 2198145247Sdamien count = info >> 16; 2199145247Sdamien size = info & 0xffff; 2200145247Sdamien total = count * size; 2201145247Sdamien 2202145247Sdamien if (total > *len) { 2203145247Sdamien *len = total; 2204145247Sdamien return EINVAL; 2205145247Sdamien } 2206145247Sdamien 2207145247Sdamien *len = total; 2208145247Sdamien ipw_read_mem_1(sc, addr, buf, total); 2209145247Sdamien 2210145247Sdamien return 0; 2211145247Sdamien} 2212145247Sdamien 2213145247Sdamienstatic void 2214145247Sdamienipw_read_mem_1(struct ipw_softc *sc, bus_size_t offset, uint8_t *datap, 2215145247Sdamien bus_size_t count) 2216145247Sdamien{ 2217145247Sdamien for (; count > 0; offset++, datap++, count--) { 2218145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INDIRECT_ADDR, offset & ~3); 2219145247Sdamien *datap = CSR_READ_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3)); 2220145247Sdamien } 2221145247Sdamien} 2222145247Sdamien 2223145247Sdamienstatic void 2224156599Sdamienipw_write_mem_1(struct ipw_softc *sc, bus_size_t offset, const uint8_t *datap, 2225145247Sdamien bus_size_t count) 2226145247Sdamien{ 2227145247Sdamien for (; count > 0; offset++, datap++, count--) { 2228145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INDIRECT_ADDR, offset & ~3); 2229145247Sdamien CSR_WRITE_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3), *datap); 2230145247Sdamien } 2231145247Sdamien} 2232