if_ipw.c revision 243857
1145247Sdamien/* $FreeBSD: head/sys/dev/ipw/if_ipw.c 243857 2012-12-04 09:32:43Z glebius $ */ 2145247Sdamien 3145247Sdamien/*- 4156599Sdamien * Copyright (c) 2004-2006 5145247Sdamien * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved. 6172567Sthompsa * Copyright (c) 2006 Sam Leffler, Errno Consulting 7172567Sthompsa * Copyright (c) 2007 Andrew Thompson <thompsa@FreeBSD.org> 8145247Sdamien * 9145247Sdamien * Redistribution and use in source and binary forms, with or without 10145247Sdamien * modification, are permitted provided that the following conditions 11145247Sdamien * are met: 12145247Sdamien * 1. Redistributions of source code must retain the above copyright 13145247Sdamien * notice unmodified, this list of conditions, and the following 14145247Sdamien * disclaimer. 15145247Sdamien * 2. Redistributions in binary form must reproduce the above copyright 16145247Sdamien * notice, this list of conditions and the following disclaimer in the 17145247Sdamien * documentation and/or other materials provided with the distribution. 18145247Sdamien * 19145247Sdamien * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20145247Sdamien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21145247Sdamien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22145247Sdamien * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23145247Sdamien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24145247Sdamien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25145247Sdamien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26145247Sdamien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27145247Sdamien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28145247Sdamien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29145247Sdamien * SUCH DAMAGE. 30145247Sdamien */ 31145247Sdamien 32145247Sdamien#include <sys/cdefs.h> 33145247Sdamien__FBSDID("$FreeBSD: head/sys/dev/ipw/if_ipw.c 243857 2012-12-04 09:32:43Z glebius $"); 34145247Sdamien 35145247Sdamien/*- 36145247Sdamien * Intel(R) PRO/Wireless 2100 MiniPCI driver 37145247Sdamien * http://www.intel.com/network/connectivity/products/wireless/prowireless_mobile.htm 38145247Sdamien */ 39145247Sdamien 40145247Sdamien#include <sys/param.h> 41145247Sdamien#include <sys/sysctl.h> 42145247Sdamien#include <sys/sockio.h> 43145247Sdamien#include <sys/mbuf.h> 44145247Sdamien#include <sys/kernel.h> 45145247Sdamien#include <sys/socket.h> 46145247Sdamien#include <sys/systm.h> 47145247Sdamien#include <sys/malloc.h> 48156599Sdamien#include <sys/queue.h> 49156599Sdamien#include <sys/taskqueue.h> 50145247Sdamien#include <sys/module.h> 51145247Sdamien#include <sys/bus.h> 52145247Sdamien#include <sys/endian.h> 53156599Sdamien#include <sys/linker.h> 54156599Sdamien#include <sys/firmware.h> 55145247Sdamien 56145247Sdamien#include <machine/bus.h> 57145247Sdamien#include <machine/resource.h> 58145247Sdamien#include <sys/rman.h> 59145247Sdamien 60145247Sdamien#include <dev/pci/pcireg.h> 61145247Sdamien#include <dev/pci/pcivar.h> 62145247Sdamien 63145247Sdamien#include <net/bpf.h> 64145247Sdamien#include <net/if.h> 65145247Sdamien#include <net/if_arp.h> 66145247Sdamien#include <net/ethernet.h> 67145247Sdamien#include <net/if_dl.h> 68145247Sdamien#include <net/if_media.h> 69145247Sdamien#include <net/if_types.h> 70145247Sdamien 71156599Sdamien#include <net80211/ieee80211_var.h> 72156599Sdamien#include <net80211/ieee80211_radiotap.h> 73156599Sdamien 74145247Sdamien#include <netinet/in.h> 75145247Sdamien#include <netinet/in_systm.h> 76145247Sdamien#include <netinet/in_var.h> 77145247Sdamien#include <netinet/ip.h> 78145247Sdamien#include <netinet/if_ether.h> 79145247Sdamien 80145247Sdamien#include <dev/ipw/if_ipwreg.h> 81145247Sdamien#include <dev/ipw/if_ipwvar.h> 82145247Sdamien 83172567Sthompsa#define IPW_DEBUG 84145247Sdamien#ifdef IPW_DEBUG 85145247Sdamien#define DPRINTF(x) do { if (ipw_debug > 0) printf x; } while (0) 86145247Sdamien#define DPRINTFN(n, x) do { if (ipw_debug >= (n)) printf x; } while (0) 87145247Sdamienint ipw_debug = 0; 88145247SdamienSYSCTL_INT(_debug, OID_AUTO, ipw, CTLFLAG_RW, &ipw_debug, 0, "ipw debug level"); 89145247Sdamien#else 90145247Sdamien#define DPRINTF(x) 91145247Sdamien#define DPRINTFN(n, x) 92145247Sdamien#endif 93145247Sdamien 94145247SdamienMODULE_DEPEND(ipw, pci, 1, 1, 1); 95145247SdamienMODULE_DEPEND(ipw, wlan, 1, 1, 1); 96156599SdamienMODULE_DEPEND(ipw, firmware, 1, 1, 1); 97145247Sdamien 98145247Sdamienstruct ipw_ident { 99145247Sdamien uint16_t vendor; 100145247Sdamien uint16_t device; 101145247Sdamien const char *name; 102145247Sdamien}; 103145247Sdamien 104145247Sdamienstatic const struct ipw_ident ipw_ident_table[] = { 105145247Sdamien { 0x8086, 0x1043, "Intel(R) PRO/Wireless 2100 MiniPCI" }, 106145247Sdamien 107145247Sdamien { 0, 0, NULL } 108145247Sdamien}; 109145247Sdamien 110178354Ssamstatic struct ieee80211vap *ipw_vap_create(struct ieee80211com *, 111228621Sbschmidt const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 112228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN], 113228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN]); 114178354Ssamstatic void ipw_vap_delete(struct ieee80211vap *); 115145247Sdamienstatic int ipw_dma_alloc(struct ipw_softc *); 116145247Sdamienstatic void ipw_release(struct ipw_softc *); 117145247Sdamienstatic void ipw_media_status(struct ifnet *, struct ifmediareq *); 118178354Ssamstatic int ipw_newstate(struct ieee80211vap *, enum ieee80211_state, int); 119145247Sdamienstatic uint16_t ipw_read_prom_word(struct ipw_softc *, uint8_t); 120172567Sthompsastatic void ipw_rx_cmd_intr(struct ipw_softc *, struct ipw_soft_buf *); 121172567Sthompsastatic void ipw_rx_newstate_intr(struct ipw_softc *, struct ipw_soft_buf *); 122172567Sthompsastatic void ipw_rx_data_intr(struct ipw_softc *, struct ipw_status *, 123145247Sdamien struct ipw_soft_bd *, struct ipw_soft_buf *); 124145247Sdamienstatic void ipw_rx_intr(struct ipw_softc *); 125145247Sdamienstatic void ipw_release_sbd(struct ipw_softc *, struct ipw_soft_bd *); 126145247Sdamienstatic void ipw_tx_intr(struct ipw_softc *); 127145247Sdamienstatic void ipw_intr(void *); 128145247Sdamienstatic void ipw_dma_map_addr(void *, bus_dma_segment_t *, int, int); 129172567Sthompsastatic const char * ipw_cmdname(int); 130145247Sdamienstatic int ipw_cmd(struct ipw_softc *, uint32_t, void *, uint32_t); 131145247Sdamienstatic int ipw_tx_start(struct ifnet *, struct mbuf *, 132145247Sdamien struct ieee80211_node *); 133178354Ssamstatic int ipw_raw_xmit(struct ieee80211_node *, struct mbuf *, 134178354Ssam const struct ieee80211_bpf_params *); 135145247Sdamienstatic void ipw_start(struct ifnet *); 136172567Sthompsastatic void ipw_start_locked(struct ifnet *); 137172567Sthompsastatic void ipw_watchdog(void *); 138145247Sdamienstatic int ipw_ioctl(struct ifnet *, u_long, caddr_t); 139145247Sdamienstatic void ipw_stop_master(struct ipw_softc *); 140172567Sthompsastatic int ipw_enable(struct ipw_softc *); 141172567Sthompsastatic int ipw_disable(struct ipw_softc *); 142145247Sdamienstatic int ipw_reset(struct ipw_softc *); 143156599Sdamienstatic int ipw_load_ucode(struct ipw_softc *, const char *, int); 144156599Sdamienstatic int ipw_load_firmware(struct ipw_softc *, const char *, int); 145145247Sdamienstatic int ipw_config(struct ipw_softc *); 146191746Sthompsastatic void ipw_assoc(struct ieee80211com *, struct ieee80211vap *); 147191746Sthompsastatic void ipw_disassoc(struct ieee80211com *, struct ieee80211vap *); 148156599Sdamienstatic void ipw_init_task(void *, int); 149145247Sdamienstatic void ipw_init(void *); 150178354Ssamstatic void ipw_init_locked(struct ipw_softc *); 151145247Sdamienstatic void ipw_stop(void *); 152172567Sthompsastatic void ipw_stop_locked(struct ipw_softc *); 153145247Sdamienstatic int ipw_sysctl_stats(SYSCTL_HANDLER_ARGS); 154145247Sdamienstatic int ipw_sysctl_radio(SYSCTL_HANDLER_ARGS); 155145247Sdamienstatic uint32_t ipw_read_table1(struct ipw_softc *, uint32_t); 156145247Sdamienstatic void ipw_write_table1(struct ipw_softc *, uint32_t, uint32_t); 157172567Sthompsa#if 0 158145247Sdamienstatic int ipw_read_table2(struct ipw_softc *, uint32_t, void *, 159145247Sdamien uint32_t *); 160145247Sdamienstatic void ipw_read_mem_1(struct ipw_softc *, bus_size_t, uint8_t *, 161145247Sdamien bus_size_t); 162172567Sthompsa#endif 163156599Sdamienstatic void ipw_write_mem_1(struct ipw_softc *, bus_size_t, 164156599Sdamien const uint8_t *, bus_size_t); 165172567Sthompsastatic int ipw_scan(struct ipw_softc *); 166172567Sthompsastatic void ipw_scan_start(struct ieee80211com *); 167172567Sthompsastatic void ipw_scan_end(struct ieee80211com *); 168172567Sthompsastatic void ipw_set_channel(struct ieee80211com *); 169178354Ssamstatic void ipw_scan_curchan(struct ieee80211_scan_state *, 170178354Ssam unsigned long maxdwell); 171178354Ssamstatic void ipw_scan_mindwell(struct ieee80211_scan_state *); 172145247Sdamien 173145247Sdamienstatic int ipw_probe(device_t); 174145247Sdamienstatic int ipw_attach(device_t); 175145247Sdamienstatic int ipw_detach(device_t); 176145247Sdamienstatic int ipw_shutdown(device_t); 177145247Sdamienstatic int ipw_suspend(device_t); 178145247Sdamienstatic int ipw_resume(device_t); 179145247Sdamien 180145247Sdamienstatic device_method_t ipw_methods[] = { 181145247Sdamien /* Device interface */ 182145247Sdamien DEVMETHOD(device_probe, ipw_probe), 183145247Sdamien DEVMETHOD(device_attach, ipw_attach), 184145247Sdamien DEVMETHOD(device_detach, ipw_detach), 185145247Sdamien DEVMETHOD(device_shutdown, ipw_shutdown), 186145247Sdamien DEVMETHOD(device_suspend, ipw_suspend), 187145247Sdamien DEVMETHOD(device_resume, ipw_resume), 188145247Sdamien 189145247Sdamien { 0, 0 } 190145247Sdamien}; 191145247Sdamien 192145247Sdamienstatic driver_t ipw_driver = { 193145247Sdamien "ipw", 194145247Sdamien ipw_methods, 195145247Sdamien sizeof (struct ipw_softc) 196145247Sdamien}; 197145247Sdamien 198145247Sdamienstatic devclass_t ipw_devclass; 199145247Sdamien 200145247SdamienDRIVER_MODULE(ipw, pci, ipw_driver, ipw_devclass, 0, 0); 201145247Sdamien 202222543SbschmidtMODULE_VERSION(ipw, 1); 203222543Sbschmidt 204145247Sdamienstatic int 205145247Sdamienipw_probe(device_t dev) 206145247Sdamien{ 207145247Sdamien const struct ipw_ident *ident; 208145247Sdamien 209145247Sdamien for (ident = ipw_ident_table; ident->name != NULL; ident++) { 210145247Sdamien if (pci_get_vendor(dev) == ident->vendor && 211145247Sdamien pci_get_device(dev) == ident->device) { 212145247Sdamien device_set_desc(dev, ident->name); 213145247Sdamien return 0; 214145247Sdamien } 215145247Sdamien } 216145247Sdamien return ENXIO; 217145247Sdamien} 218145247Sdamien 219145247Sdamien/* Base Address Register */ 220145247Sdamien#define IPW_PCI_BAR0 0x10 221145247Sdamien 222145247Sdamienstatic int 223145247Sdamienipw_attach(device_t dev) 224145247Sdamien{ 225145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 226147256Sbrooks struct ifnet *ifp; 227178354Ssam struct ieee80211com *ic; 228170530Ssam struct ieee80211_channel *c; 229145247Sdamien uint16_t val; 230145247Sdamien int error, i; 231190526Ssam uint8_t macaddr[IEEE80211_ADDR_LEN]; 232145247Sdamien 233145247Sdamien sc->sc_dev = dev; 234145247Sdamien 235145247Sdamien mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 236145247Sdamien MTX_DEF | MTX_RECURSE); 237145247Sdamien 238156599Sdamien TASK_INIT(&sc->sc_init_task, 0, ipw_init_task, sc); 239172567Sthompsa callout_init_mtx(&sc->sc_wdtimer, &sc->sc_mtx, 0); 240156599Sdamien 241145247Sdamien if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) { 242145247Sdamien device_printf(dev, "chip is in D%d power mode " 243145247Sdamien "-- setting to D0\n", pci_get_powerstate(dev)); 244145247Sdamien pci_set_powerstate(dev, PCI_POWERSTATE_D0); 245145247Sdamien } 246145247Sdamien 247146498Sdamien pci_write_config(dev, 0x41, 0, 1); 248146498Sdamien 249145247Sdamien /* enable bus-mastering */ 250145247Sdamien pci_enable_busmaster(dev); 251145247Sdamien 252145247Sdamien sc->mem_rid = IPW_PCI_BAR0; 253145247Sdamien sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid, 254145247Sdamien RF_ACTIVE); 255145247Sdamien if (sc->mem == NULL) { 256145247Sdamien device_printf(dev, "could not allocate memory resource\n"); 257145247Sdamien goto fail; 258145247Sdamien } 259145247Sdamien 260145247Sdamien sc->sc_st = rman_get_bustag(sc->mem); 261145247Sdamien sc->sc_sh = rman_get_bushandle(sc->mem); 262145247Sdamien 263145247Sdamien sc->irq_rid = 0; 264145247Sdamien sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, 265145247Sdamien RF_ACTIVE | RF_SHAREABLE); 266145247Sdamien if (sc->irq == NULL) { 267145247Sdamien device_printf(dev, "could not allocate interrupt resource\n"); 268178354Ssam goto fail1; 269145247Sdamien } 270145247Sdamien 271145247Sdamien if (ipw_reset(sc) != 0) { 272145247Sdamien device_printf(dev, "could not reset adapter\n"); 273178354Ssam goto fail2; 274145247Sdamien } 275145247Sdamien 276145247Sdamien if (ipw_dma_alloc(sc) != 0) { 277145247Sdamien device_printf(dev, "could not allocate DMA resources\n"); 278178354Ssam goto fail2; 279145247Sdamien } 280147757Sdamien 281178354Ssam ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 282147256Sbrooks if (ifp == NULL) { 283147256Sbrooks device_printf(dev, "can not if_alloc()\n"); 284178354Ssam goto fail3; 285147256Sbrooks } 286178354Ssam ic = ifp->if_l2com; 287147757Sdamien 288145247Sdamien ifp->if_softc = sc; 289145247Sdamien if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 290145247Sdamien ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 291145247Sdamien ifp->if_init = ipw_init; 292145247Sdamien ifp->if_ioctl = ipw_ioctl; 293145247Sdamien ifp->if_start = ipw_start; 294207554Ssobomax IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 295207554Ssobomax ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 296145247Sdamien IFQ_SET_READY(&ifp->if_snd); 297145247Sdamien 298145247Sdamien ic->ic_ifp = ifp; 299178354Ssam ic->ic_opmode = IEEE80211_M_STA; 300145247Sdamien ic->ic_phytype = IEEE80211_T_DS; 301145247Sdamien 302145247Sdamien /* set device capabilities */ 303178957Ssam ic->ic_caps = 304178957Ssam IEEE80211_C_STA /* station mode supported */ 305178957Ssam | IEEE80211_C_IBSS /* IBSS mode supported */ 306172567Sthompsa | IEEE80211_C_MONITOR /* monitor mode supported */ 307172567Sthompsa | IEEE80211_C_PMGT /* power save supported */ 308172567Sthompsa | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 309172567Sthompsa | IEEE80211_C_WPA /* 802.11i supported */ 310172567Sthompsa ; 311145247Sdamien 312145247Sdamien /* read MAC address from EEPROM */ 313145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 0); 314190526Ssam macaddr[0] = val >> 8; 315190526Ssam macaddr[1] = val & 0xff; 316145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 1); 317190526Ssam macaddr[2] = val >> 8; 318190526Ssam macaddr[3] = val & 0xff; 319145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 2); 320190526Ssam macaddr[4] = val >> 8; 321190526Ssam macaddr[5] = val & 0xff; 322145247Sdamien 323170530Ssam /* set supported .11b channels (read from EEPROM) */ 324170530Ssam if ((val = ipw_read_prom_word(sc, IPW_EEPROM_CHANNEL_LIST)) == 0) 325170530Ssam val = 0x7ff; /* default to channels 1-11 */ 326170530Ssam val <<= 1; 327170530Ssam for (i = 1; i < 16; i++) { 328170530Ssam if (val & (1 << i)) { 329170530Ssam c = &ic->ic_channels[ic->ic_nchans++]; 330170530Ssam c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 331170530Ssam c->ic_flags = IEEE80211_CHAN_B; 332170530Ssam c->ic_ieee = i; 333170530Ssam } 334145247Sdamien } 335145247Sdamien 336145247Sdamien /* check support for radio transmitter switch in EEPROM */ 337145247Sdamien if (!(ipw_read_prom_word(sc, IPW_EEPROM_RADIO) & 8)) 338145247Sdamien sc->flags |= IPW_FLAG_HAS_RADIO_SWITCH; 339145247Sdamien 340190526Ssam ieee80211_ifattach(ic, macaddr); 341172567Sthompsa ic->ic_scan_start = ipw_scan_start; 342172567Sthompsa ic->ic_scan_end = ipw_scan_end; 343172567Sthompsa ic->ic_set_channel = ipw_set_channel; 344172567Sthompsa ic->ic_scan_curchan = ipw_scan_curchan; 345172567Sthompsa ic->ic_scan_mindwell = ipw_scan_mindwell; 346178354Ssam ic->ic_raw_xmit = ipw_raw_xmit; 347172567Sthompsa 348178354Ssam ic->ic_vap_create = ipw_vap_create; 349178354Ssam ic->ic_vap_delete = ipw_vap_delete; 350145247Sdamien 351192468Ssam ieee80211_radiotap_attach(ic, 352192468Ssam &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 353192468Ssam IPW_TX_RADIOTAP_PRESENT, 354192468Ssam &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 355192468Ssam IPW_RX_RADIOTAP_PRESENT); 356178354Ssam 357145247Sdamien /* 358145247Sdamien * Add a few sysctl knobs. 359145247Sdamien */ 360145247Sdamien SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 361145247Sdamien SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "radio", 362145247Sdamien CTLTYPE_INT | CTLFLAG_RD, sc, 0, ipw_sysctl_radio, "I", 363145247Sdamien "radio transmitter switch state (0=off, 1=on)"); 364145247Sdamien 365145247Sdamien SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 366145247Sdamien SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "stats", 367145247Sdamien CTLTYPE_OPAQUE | CTLFLAG_RD, sc, 0, ipw_sysctl_stats, "S", 368145247Sdamien "statistics"); 369145247Sdamien 370145247Sdamien /* 371145247Sdamien * Hook our interrupt after all initialization is complete. 372145247Sdamien */ 373145247Sdamien error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 374166901Spiso NULL, ipw_intr, sc, &sc->sc_ih); 375145247Sdamien if (error != 0) { 376145247Sdamien device_printf(dev, "could not set up interrupt\n"); 377178354Ssam goto fail4; 378145247Sdamien } 379145247Sdamien 380145247Sdamien if (bootverbose) 381145247Sdamien ieee80211_announce(ic); 382145247Sdamien 383145247Sdamien return 0; 384178354Ssamfail4: 385178354Ssam if_free(ifp); 386178354Ssamfail3: 387178354Ssam ipw_release(sc); 388178354Ssamfail2: 389178354Ssam bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq); 390178354Ssamfail1: 391178354Ssam bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem); 392178354Ssamfail: 393178354Ssam mtx_destroy(&sc->sc_mtx); 394145247Sdamien return ENXIO; 395145247Sdamien} 396145247Sdamien 397145247Sdamienstatic int 398145247Sdamienipw_detach(device_t dev) 399145247Sdamien{ 400145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 401178354Ssam struct ifnet *ifp = sc->sc_ifp; 402178354Ssam struct ieee80211com *ic = ifp->if_l2com; 403145247Sdamien 404191912Sthompsa ieee80211_draintask(ic, &sc->sc_init_task); 405145247Sdamien ipw_stop(sc); 406178354Ssam 407178354Ssam ieee80211_ifdetach(ic); 408178354Ssam 409172567Sthompsa callout_drain(&sc->sc_wdtimer); 410145247Sdamien 411145247Sdamien ipw_release(sc); 412145247Sdamien 413178354Ssam bus_teardown_intr(dev, sc->irq, sc->sc_ih); 414178354Ssam bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq); 415145247Sdamien 416178354Ssam bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem); 417156599Sdamien 418178354Ssam if_free(ifp); 419145247Sdamien 420159487Siedowse if (sc->sc_firmware != NULL) { 421159487Siedowse firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 422159487Siedowse sc->sc_firmware = NULL; 423159487Siedowse } 424159487Siedowse 425145247Sdamien mtx_destroy(&sc->sc_mtx); 426145247Sdamien 427145247Sdamien return 0; 428145247Sdamien} 429145247Sdamien 430178354Ssamstatic struct ieee80211vap * 431228621Sbschmidtipw_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 432228621Sbschmidt enum ieee80211_opmode opmode, int flags, 433228621Sbschmidt const uint8_t bssid[IEEE80211_ADDR_LEN], 434228621Sbschmidt const uint8_t mac[IEEE80211_ADDR_LEN]) 435178354Ssam{ 436178354Ssam struct ifnet *ifp = ic->ic_ifp; 437178354Ssam struct ipw_softc *sc = ifp->if_softc; 438178354Ssam struct ipw_vap *ivp; 439178354Ssam struct ieee80211vap *vap; 440178354Ssam const struct firmware *fp; 441178354Ssam const struct ipw_firmware_hdr *hdr; 442178354Ssam const char *imagename; 443178354Ssam 444178354Ssam if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 445178354Ssam return NULL; 446178354Ssam 447178354Ssam switch (opmode) { 448178354Ssam case IEEE80211_M_STA: 449178354Ssam imagename = "ipw_bss"; 450178354Ssam break; 451178354Ssam case IEEE80211_M_IBSS: 452178354Ssam imagename = "ipw_ibss"; 453178354Ssam break; 454178354Ssam case IEEE80211_M_MONITOR: 455178354Ssam imagename = "ipw_monitor"; 456178354Ssam break; 457178354Ssam default: 458178354Ssam return NULL; 459178354Ssam } 460178354Ssam 461178354Ssam /* 462178354Ssam * Load firmware image using the firmware(9) subsystem. Doing 463178354Ssam * this unlocked is ok since we're single-threaded by the 464178354Ssam * 802.11 layer. 465178354Ssam */ 466178354Ssam if (sc->sc_firmware == NULL || 467178354Ssam strcmp(sc->sc_firmware->name, imagename) != 0) { 468178354Ssam if (sc->sc_firmware != NULL) 469178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 470178354Ssam sc->sc_firmware = firmware_get(imagename); 471178354Ssam } 472178354Ssam if (sc->sc_firmware == NULL) { 473178354Ssam device_printf(sc->sc_dev, 474178354Ssam "could not load firmware image '%s'\n", imagename); 475178354Ssam return NULL; 476178354Ssam } 477178354Ssam fp = sc->sc_firmware; 478178354Ssam if (fp->datasize < sizeof *hdr) { 479178354Ssam device_printf(sc->sc_dev, 480178354Ssam "firmware image too short %zu\n", fp->datasize); 481178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 482178354Ssam sc->sc_firmware = NULL; 483178354Ssam return NULL; 484178354Ssam } 485178354Ssam hdr = (const struct ipw_firmware_hdr *)fp->data; 486178354Ssam if (fp->datasize < sizeof *hdr + le32toh(hdr->mainsz) + 487178354Ssam le32toh(hdr->ucodesz)) { 488178354Ssam device_printf(sc->sc_dev, 489178354Ssam "firmware image too short %zu\n", fp->datasize); 490178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 491178354Ssam sc->sc_firmware = NULL; 492178354Ssam return NULL; 493178354Ssam } 494178354Ssam 495178354Ssam ivp = (struct ipw_vap *) malloc(sizeof(struct ipw_vap), 496178354Ssam M_80211_VAP, M_NOWAIT | M_ZERO); 497178354Ssam if (ivp == NULL) 498178354Ssam return NULL; 499178354Ssam vap = &ivp->vap; 500178354Ssam 501178354Ssam ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 502178354Ssam /* override with driver methods */ 503178354Ssam ivp->newstate = vap->iv_newstate; 504178354Ssam vap->iv_newstate = ipw_newstate; 505178354Ssam 506178354Ssam /* complete setup */ 507178354Ssam ieee80211_vap_attach(vap, ieee80211_media_change, ipw_media_status); 508178354Ssam ic->ic_opmode = opmode; 509178354Ssam return vap; 510178354Ssam} 511178354Ssam 512178354Ssamstatic void 513178354Ssamipw_vap_delete(struct ieee80211vap *vap) 514178354Ssam{ 515178354Ssam struct ipw_vap *ivp = IPW_VAP(vap); 516178354Ssam 517178354Ssam ieee80211_vap_detach(vap); 518178354Ssam free(ivp, M_80211_VAP); 519178354Ssam} 520178354Ssam 521145247Sdamienstatic int 522145247Sdamienipw_dma_alloc(struct ipw_softc *sc) 523145247Sdamien{ 524145247Sdamien struct ipw_soft_bd *sbd; 525145247Sdamien struct ipw_soft_hdr *shdr; 526145247Sdamien struct ipw_soft_buf *sbuf; 527145247Sdamien bus_addr_t physaddr; 528145247Sdamien int error, i; 529145247Sdamien 530145247Sdamien /* 531232874Sscottl * Allocate parent DMA tag for subsequent allocations. 532232874Sscottl */ 533232874Sscottl error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 534232874Sscottl BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 535232874Sscottl BUS_SPACE_MAXSIZE_32BIT, BUS_SPACE_UNRESTRICTED, 536232874Sscottl BUS_SPACE_MAXSIZE_32BIT, 0, NULL, NULL, &sc->parent_dmat); 537232874Sscottl if (error != 0) { 538232874Sscottl device_printf(sc->sc_dev, "could not create parent DMA tag\n"); 539232874Sscottl goto fail; 540232874Sscottl } 541232874Sscottl 542232874Sscottl /* 543145247Sdamien * Allocate and map tx ring. 544145247Sdamien */ 545232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 4, 0, BUS_SPACE_MAXADDR_32BIT, 546145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_TBD_SZ, 1, IPW_TBD_SZ, 0, NULL, 547145247Sdamien NULL, &sc->tbd_dmat); 548145247Sdamien if (error != 0) { 549145247Sdamien device_printf(sc->sc_dev, "could not create tx ring DMA tag\n"); 550145247Sdamien goto fail; 551145247Sdamien } 552145247Sdamien 553145247Sdamien error = bus_dmamem_alloc(sc->tbd_dmat, (void **)&sc->tbd_list, 554145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->tbd_map); 555145247Sdamien if (error != 0) { 556145247Sdamien device_printf(sc->sc_dev, 557145247Sdamien "could not allocate tx ring DMA memory\n"); 558145247Sdamien goto fail; 559145247Sdamien } 560145247Sdamien 561145247Sdamien error = bus_dmamap_load(sc->tbd_dmat, sc->tbd_map, sc->tbd_list, 562145247Sdamien IPW_TBD_SZ, ipw_dma_map_addr, &sc->tbd_phys, 0); 563145247Sdamien if (error != 0) { 564145247Sdamien device_printf(sc->sc_dev, "could not map tx ring DMA memory\n"); 565145247Sdamien goto fail; 566145247Sdamien } 567145247Sdamien 568145247Sdamien /* 569145247Sdamien * Allocate and map rx ring. 570145247Sdamien */ 571232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 4, 0, BUS_SPACE_MAXADDR_32BIT, 572145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_RBD_SZ, 1, IPW_RBD_SZ, 0, NULL, 573145247Sdamien NULL, &sc->rbd_dmat); 574145247Sdamien if (error != 0) { 575145247Sdamien device_printf(sc->sc_dev, "could not create rx ring DMA tag\n"); 576145247Sdamien goto fail; 577145247Sdamien } 578145247Sdamien 579145247Sdamien error = bus_dmamem_alloc(sc->rbd_dmat, (void **)&sc->rbd_list, 580145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->rbd_map); 581145247Sdamien if (error != 0) { 582145247Sdamien device_printf(sc->sc_dev, 583145247Sdamien "could not allocate rx ring DMA memory\n"); 584145247Sdamien goto fail; 585145247Sdamien } 586145247Sdamien 587145247Sdamien error = bus_dmamap_load(sc->rbd_dmat, sc->rbd_map, sc->rbd_list, 588145247Sdamien IPW_RBD_SZ, ipw_dma_map_addr, &sc->rbd_phys, 0); 589145247Sdamien if (error != 0) { 590145247Sdamien device_printf(sc->sc_dev, "could not map rx ring DMA memory\n"); 591145247Sdamien goto fail; 592145247Sdamien } 593145247Sdamien 594145247Sdamien /* 595145247Sdamien * Allocate and map status ring. 596145247Sdamien */ 597232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 4, 0, BUS_SPACE_MAXADDR_32BIT, 598145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_STATUS_SZ, 1, IPW_STATUS_SZ, 0, 599145247Sdamien NULL, NULL, &sc->status_dmat); 600145247Sdamien if (error != 0) { 601145247Sdamien device_printf(sc->sc_dev, 602145247Sdamien "could not create status ring DMA tag\n"); 603145247Sdamien goto fail; 604145247Sdamien } 605145247Sdamien 606145247Sdamien error = bus_dmamem_alloc(sc->status_dmat, (void **)&sc->status_list, 607145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->status_map); 608145247Sdamien if (error != 0) { 609145247Sdamien device_printf(sc->sc_dev, 610145247Sdamien "could not allocate status ring DMA memory\n"); 611145247Sdamien goto fail; 612145247Sdamien } 613145247Sdamien 614145247Sdamien error = bus_dmamap_load(sc->status_dmat, sc->status_map, 615145247Sdamien sc->status_list, IPW_STATUS_SZ, ipw_dma_map_addr, &sc->status_phys, 616145247Sdamien 0); 617145247Sdamien if (error != 0) { 618145247Sdamien device_printf(sc->sc_dev, 619145247Sdamien "could not map status ring DMA memory\n"); 620145247Sdamien goto fail; 621145247Sdamien } 622145247Sdamien 623145247Sdamien /* 624145247Sdamien * Allocate command DMA map. 625145247Sdamien */ 626232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 1, 0, BUS_SPACE_MAXADDR_32BIT, 627145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, sizeof (struct ipw_cmd), 1, 628145247Sdamien sizeof (struct ipw_cmd), 0, NULL, NULL, &sc->cmd_dmat); 629145247Sdamien if (error != 0) { 630145247Sdamien device_printf(sc->sc_dev, "could not create command DMA tag\n"); 631145247Sdamien goto fail; 632145247Sdamien } 633145247Sdamien 634145247Sdamien error = bus_dmamap_create(sc->cmd_dmat, 0, &sc->cmd_map); 635145247Sdamien if (error != 0) { 636145247Sdamien device_printf(sc->sc_dev, 637145247Sdamien "could not create command DMA map\n"); 638145247Sdamien goto fail; 639145247Sdamien } 640145247Sdamien 641145247Sdamien /* 642145247Sdamien * Allocate headers DMA maps. 643145247Sdamien */ 644232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 1, 0, BUS_SPACE_MAXADDR_32BIT, 645145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, sizeof (struct ipw_hdr), 1, 646145247Sdamien sizeof (struct ipw_hdr), 0, NULL, NULL, &sc->hdr_dmat); 647145247Sdamien if (error != 0) { 648145247Sdamien device_printf(sc->sc_dev, "could not create header DMA tag\n"); 649145247Sdamien goto fail; 650145247Sdamien } 651145247Sdamien 652145247Sdamien SLIST_INIT(&sc->free_shdr); 653145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 654145247Sdamien shdr = &sc->shdr_list[i]; 655145247Sdamien error = bus_dmamap_create(sc->hdr_dmat, 0, &shdr->map); 656145247Sdamien if (error != 0) { 657145247Sdamien device_printf(sc->sc_dev, 658145247Sdamien "could not create header DMA map\n"); 659145247Sdamien goto fail; 660145247Sdamien } 661145247Sdamien SLIST_INSERT_HEAD(&sc->free_shdr, shdr, next); 662145247Sdamien } 663145247Sdamien 664145247Sdamien /* 665145247Sdamien * Allocate tx buffers DMA maps. 666145247Sdamien */ 667232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 1, 0, BUS_SPACE_MAXADDR_32BIT, 668145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, IPW_MAX_NSEG, MCLBYTES, 0, 669145247Sdamien NULL, NULL, &sc->txbuf_dmat); 670145247Sdamien if (error != 0) { 671145247Sdamien device_printf(sc->sc_dev, "could not create tx DMA tag\n"); 672145247Sdamien goto fail; 673145247Sdamien } 674145247Sdamien 675145247Sdamien SLIST_INIT(&sc->free_sbuf); 676145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 677145247Sdamien sbuf = &sc->tx_sbuf_list[i]; 678145247Sdamien error = bus_dmamap_create(sc->txbuf_dmat, 0, &sbuf->map); 679145247Sdamien if (error != 0) { 680145247Sdamien device_printf(sc->sc_dev, 681145247Sdamien "could not create tx DMA map\n"); 682145247Sdamien goto fail; 683145247Sdamien } 684145247Sdamien SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next); 685145247Sdamien } 686145247Sdamien 687145247Sdamien /* 688145247Sdamien * Initialize tx ring. 689145247Sdamien */ 690145247Sdamien for (i = 0; i < IPW_NTBD; i++) { 691145247Sdamien sbd = &sc->stbd_list[i]; 692145247Sdamien sbd->bd = &sc->tbd_list[i]; 693145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 694145247Sdamien } 695145247Sdamien 696145247Sdamien /* 697145247Sdamien * Pre-allocate rx buffers and DMA maps. 698145247Sdamien */ 699232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 1, 0, BUS_SPACE_MAXADDR_32BIT, 700147841Sdamien BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1, MCLBYTES, 0, NULL, 701147841Sdamien NULL, &sc->rxbuf_dmat); 702145247Sdamien if (error != 0) { 703145247Sdamien device_printf(sc->sc_dev, "could not create rx DMA tag\n"); 704145247Sdamien goto fail; 705145247Sdamien } 706145247Sdamien 707145247Sdamien for (i = 0; i < IPW_NRBD; i++) { 708145247Sdamien sbd = &sc->srbd_list[i]; 709145247Sdamien sbuf = &sc->rx_sbuf_list[i]; 710145247Sdamien sbd->bd = &sc->rbd_list[i]; 711145247Sdamien 712243857Sglebius sbuf->m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 713145247Sdamien if (sbuf->m == NULL) { 714145247Sdamien device_printf(sc->sc_dev, 715145247Sdamien "could not allocate rx mbuf\n"); 716145247Sdamien error = ENOMEM; 717145247Sdamien goto fail; 718145247Sdamien } 719145247Sdamien 720145247Sdamien error = bus_dmamap_create(sc->rxbuf_dmat, 0, &sbuf->map); 721145247Sdamien if (error != 0) { 722145247Sdamien device_printf(sc->sc_dev, 723145247Sdamien "could not create rx DMA map\n"); 724145247Sdamien goto fail; 725145247Sdamien } 726145247Sdamien 727145247Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, 728145247Sdamien mtod(sbuf->m, void *), MCLBYTES, ipw_dma_map_addr, 729145247Sdamien &physaddr, 0); 730145247Sdamien if (error != 0) { 731145247Sdamien device_printf(sc->sc_dev, 732145247Sdamien "could not map rx DMA memory\n"); 733145247Sdamien goto fail; 734145247Sdamien } 735145247Sdamien 736145247Sdamien sbd->type = IPW_SBD_TYPE_DATA; 737145247Sdamien sbd->priv = sbuf; 738145247Sdamien sbd->bd->physaddr = htole32(physaddr); 739145247Sdamien sbd->bd->len = htole32(MCLBYTES); 740145247Sdamien } 741145247Sdamien 742145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 743145247Sdamien 744145247Sdamien return 0; 745145247Sdamien 746145247Sdamienfail: ipw_release(sc); 747145247Sdamien return error; 748145247Sdamien} 749145247Sdamien 750145247Sdamienstatic void 751145247Sdamienipw_release(struct ipw_softc *sc) 752145247Sdamien{ 753145247Sdamien struct ipw_soft_buf *sbuf; 754145247Sdamien int i; 755145247Sdamien 756232874Sscottl if (sc->parent_dmat != NULL) { 757232874Sscottl bus_dma_tag_destroy(sc->parent_dmat); 758232874Sscottl } 759232874Sscottl 760145247Sdamien if (sc->tbd_dmat != NULL) { 761145247Sdamien if (sc->stbd_list != NULL) { 762145247Sdamien bus_dmamap_unload(sc->tbd_dmat, sc->tbd_map); 763145247Sdamien bus_dmamem_free(sc->tbd_dmat, sc->tbd_list, 764145247Sdamien sc->tbd_map); 765145247Sdamien } 766145247Sdamien bus_dma_tag_destroy(sc->tbd_dmat); 767145247Sdamien } 768145247Sdamien 769145247Sdamien if (sc->rbd_dmat != NULL) { 770145247Sdamien if (sc->rbd_list != NULL) { 771145247Sdamien bus_dmamap_unload(sc->rbd_dmat, sc->rbd_map); 772145247Sdamien bus_dmamem_free(sc->rbd_dmat, sc->rbd_list, 773145247Sdamien sc->rbd_map); 774145247Sdamien } 775145247Sdamien bus_dma_tag_destroy(sc->rbd_dmat); 776145247Sdamien } 777145247Sdamien 778145247Sdamien if (sc->status_dmat != NULL) { 779145247Sdamien if (sc->status_list != NULL) { 780145247Sdamien bus_dmamap_unload(sc->status_dmat, sc->status_map); 781145247Sdamien bus_dmamem_free(sc->status_dmat, sc->status_list, 782145247Sdamien sc->status_map); 783145247Sdamien } 784145247Sdamien bus_dma_tag_destroy(sc->status_dmat); 785145247Sdamien } 786145247Sdamien 787145247Sdamien for (i = 0; i < IPW_NTBD; i++) 788145247Sdamien ipw_release_sbd(sc, &sc->stbd_list[i]); 789145247Sdamien 790145247Sdamien if (sc->cmd_dmat != NULL) { 791145247Sdamien bus_dmamap_destroy(sc->cmd_dmat, sc->cmd_map); 792145247Sdamien bus_dma_tag_destroy(sc->cmd_dmat); 793145247Sdamien } 794145247Sdamien 795145247Sdamien if (sc->hdr_dmat != NULL) { 796145247Sdamien for (i = 0; i < IPW_NDATA; i++) 797145247Sdamien bus_dmamap_destroy(sc->hdr_dmat, sc->shdr_list[i].map); 798145247Sdamien bus_dma_tag_destroy(sc->hdr_dmat); 799145247Sdamien } 800145247Sdamien 801145247Sdamien if (sc->txbuf_dmat != NULL) { 802145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 803145247Sdamien bus_dmamap_destroy(sc->txbuf_dmat, 804145247Sdamien sc->tx_sbuf_list[i].map); 805145247Sdamien } 806145247Sdamien bus_dma_tag_destroy(sc->txbuf_dmat); 807145247Sdamien } 808145247Sdamien 809145247Sdamien if (sc->rxbuf_dmat != NULL) { 810145247Sdamien for (i = 0; i < IPW_NRBD; i++) { 811145247Sdamien sbuf = &sc->rx_sbuf_list[i]; 812145247Sdamien if (sbuf->m != NULL) { 813145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, 814145247Sdamien BUS_DMASYNC_POSTREAD); 815145247Sdamien bus_dmamap_unload(sc->rxbuf_dmat, sbuf->map); 816145247Sdamien m_freem(sbuf->m); 817145247Sdamien } 818145247Sdamien bus_dmamap_destroy(sc->rxbuf_dmat, sbuf->map); 819145247Sdamien } 820145247Sdamien bus_dma_tag_destroy(sc->rxbuf_dmat); 821145247Sdamien } 822145247Sdamien} 823145247Sdamien 824145247Sdamienstatic int 825145247Sdamienipw_shutdown(device_t dev) 826145247Sdamien{ 827145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 828145247Sdamien 829145247Sdamien ipw_stop(sc); 830145247Sdamien 831145247Sdamien return 0; 832145247Sdamien} 833145247Sdamien 834145247Sdamienstatic int 835145247Sdamienipw_suspend(device_t dev) 836145247Sdamien{ 837145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 838233387Sbschmidt struct ieee80211com *ic = sc->sc_ifp->if_l2com; 839145247Sdamien 840233387Sbschmidt ieee80211_suspend_all(ic); 841145247Sdamien return 0; 842145247Sdamien} 843145247Sdamien 844145247Sdamienstatic int 845145247Sdamienipw_resume(device_t dev) 846145247Sdamien{ 847145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 848233387Sbschmidt struct ieee80211com *ic = sc->sc_ifp->if_l2com; 849145247Sdamien 850146498Sdamien pci_write_config(dev, 0x41, 0, 1); 851146498Sdamien 852233387Sbschmidt ieee80211_resume_all(ic); 853145247Sdamien return 0; 854145247Sdamien} 855145247Sdamien 856145247Sdamienstatic int 857172567Sthompsaipw_cvtrate(int ipwrate) 858172567Sthompsa{ 859172567Sthompsa switch (ipwrate) { 860172567Sthompsa case IPW_RATE_DS1: return 2; 861172567Sthompsa case IPW_RATE_DS2: return 4; 862172567Sthompsa case IPW_RATE_DS5: return 11; 863172567Sthompsa case IPW_RATE_DS11: return 22; 864172567Sthompsa } 865145247Sdamien return 0; 866145247Sdamien} 867145247Sdamien 868145247Sdamien/* 869156599Sdamien * The firmware automatically adapts the transmit speed. We report its current 870156599Sdamien * value here. 871145247Sdamien */ 872145247Sdamienstatic void 873145247Sdamienipw_media_status(struct ifnet *ifp, struct ifmediareq *imr) 874145247Sdamien{ 875178354Ssam struct ieee80211vap *vap = ifp->if_softc; 876178354Ssam struct ieee80211com *ic = vap->iv_ic; 877178354Ssam struct ipw_softc *sc = ic->ic_ifp->if_softc; 878145247Sdamien 879145247Sdamien /* read current transmission rate from adapter */ 880178354Ssam vap->iv_bss->ni_txrate = ipw_cvtrate( 881178354Ssam ipw_read_table1(sc, IPW_INFO_CURRENT_TX_RATE) & 0xf); 882178354Ssam ieee80211_media_status(ifp, imr); 883145247Sdamien} 884145247Sdamien 885145247Sdamienstatic int 886178354Ssamipw_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 887145247Sdamien{ 888178354Ssam struct ipw_vap *ivp = IPW_VAP(vap); 889178354Ssam struct ieee80211com *ic = vap->iv_ic; 890145247Sdamien struct ifnet *ifp = ic->ic_ifp; 891145247Sdamien struct ipw_softc *sc = ifp->if_softc; 892191746Sthompsa enum ieee80211_state ostate; 893145247Sdamien 894172567Sthompsa DPRINTF(("%s: %s -> %s flags 0x%x\n", __func__, 895178354Ssam ieee80211_state_name[vap->iv_state], 896172567Sthompsa ieee80211_state_name[nstate], sc->flags)); 897172567Sthompsa 898191746Sthompsa ostate = vap->iv_state; 899191746Sthompsa IEEE80211_UNLOCK(ic); 900191746Sthompsa 901145247Sdamien switch (nstate) { 902145247Sdamien case IEEE80211_S_RUN: 903172567Sthompsa if (ic->ic_opmode == IEEE80211_M_IBSS) { 904172567Sthompsa /* 905172567Sthompsa * XXX when joining an ibss network we are called 906172567Sthompsa * with a SCAN -> RUN transition on scan complete. 907206763Sbschmidt * Use that to call ipw_assoc. On completing the 908206763Sbschmidt * join we are then called again with an AUTH -> RUN 909206763Sbschmidt * transition and we want to do nothing. This is 910206763Sbschmidt * all totally bogus and needs to be redone. 911172567Sthompsa */ 912191746Sthompsa if (ostate == IEEE80211_S_SCAN) 913191746Sthompsa ipw_assoc(ic, vap); 914172567Sthompsa } 915172567Sthompsa break; 916145247Sdamien 917172567Sthompsa case IEEE80211_S_INIT: 918172567Sthompsa if (sc->flags & IPW_FLAG_ASSOCIATED) 919191746Sthompsa ipw_disassoc(ic, vap); 920172567Sthompsa break; 921145247Sdamien 922172567Sthompsa case IEEE80211_S_AUTH: 923206765Sbschmidt /* 924206765Sbschmidt * Move to ASSOC state after the ipw_assoc() call. Firmware 925206765Sbschmidt * takes care of authentication, after the call we'll receive 926206765Sbschmidt * only an assoc response which would otherwise be discared 927206765Sbschmidt * if we are still in AUTH state. 928206765Sbschmidt */ 929206765Sbschmidt nstate = IEEE80211_S_ASSOC; 930191746Sthompsa ipw_assoc(ic, vap); 931191746Sthompsa break; 932145247Sdamien 933172567Sthompsa case IEEE80211_S_ASSOC: 934172567Sthompsa /* 935206763Sbschmidt * If we are not transitioning from AUTH then resend the 936172567Sthompsa * association request. 937172567Sthompsa */ 938191746Sthompsa if (ostate != IEEE80211_S_AUTH) 939191746Sthompsa ipw_assoc(ic, vap); 940145247Sdamien break; 941145247Sdamien 942172058Ssam default: 943145247Sdamien break; 944145247Sdamien } 945191746Sthompsa IEEE80211_LOCK(ic); 946178354Ssam return ivp->newstate(vap, nstate, arg); 947145247Sdamien} 948145247Sdamien 949145247Sdamien/* 950145247Sdamien * Read 16 bits at address 'addr' from the serial EEPROM. 951145247Sdamien */ 952145247Sdamienstatic uint16_t 953145247Sdamienipw_read_prom_word(struct ipw_softc *sc, uint8_t addr) 954145247Sdamien{ 955145247Sdamien uint32_t tmp; 956145247Sdamien uint16_t val; 957145247Sdamien int n; 958145247Sdamien 959145247Sdamien /* clock C once before the first command */ 960145247Sdamien IPW_EEPROM_CTL(sc, 0); 961145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 962145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 963145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 964145247Sdamien 965145247Sdamien /* write start bit (1) */ 966145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D); 967145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C); 968145247Sdamien 969145247Sdamien /* write READ opcode (10) */ 970145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D); 971145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C); 972145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 973145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 974145247Sdamien 975145247Sdamien /* write address A7-A0 */ 976145247Sdamien for (n = 7; n >= 0; n--) { 977145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | 978145247Sdamien (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D)); 979145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | 980145247Sdamien (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D) | IPW_EEPROM_C); 981145247Sdamien } 982145247Sdamien 983145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 984145247Sdamien 985145247Sdamien /* read data Q15-Q0 */ 986145247Sdamien val = 0; 987145247Sdamien for (n = 15; n >= 0; n--) { 988145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 989145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 990145247Sdamien tmp = MEM_READ_4(sc, IPW_MEM_EEPROM_CTL); 991145247Sdamien val |= ((tmp & IPW_EEPROM_Q) >> IPW_EEPROM_SHIFT_Q) << n; 992145247Sdamien } 993145247Sdamien 994145247Sdamien IPW_EEPROM_CTL(sc, 0); 995145247Sdamien 996145247Sdamien /* clear Chip Select and clock C */ 997145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 998145247Sdamien IPW_EEPROM_CTL(sc, 0); 999145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_C); 1000145247Sdamien 1001145247Sdamien return le16toh(val); 1002145247Sdamien} 1003145247Sdamien 1004145247Sdamienstatic void 1005172567Sthompsaipw_rx_cmd_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf) 1006145247Sdamien{ 1007145247Sdamien struct ipw_cmd *cmd; 1008145247Sdamien 1009145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 1010145247Sdamien 1011145247Sdamien cmd = mtod(sbuf->m, struct ipw_cmd *); 1012145247Sdamien 1013172567Sthompsa DPRINTFN(9, ("cmd ack'ed %s(%u, %u, %u, %u, %u)\n", 1014172567Sthompsa ipw_cmdname(le32toh(cmd->type)), le32toh(cmd->type), 1015145247Sdamien le32toh(cmd->subtype), le32toh(cmd->seq), le32toh(cmd->len), 1016145247Sdamien le32toh(cmd->status))); 1017145247Sdamien 1018172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 1019145247Sdamien wakeup(sc); 1020145247Sdamien} 1021145247Sdamien 1022145247Sdamienstatic void 1023172567Sthompsaipw_rx_newstate_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf) 1024145247Sdamien{ 1025178354Ssam#define IEEESTATE(vap) ieee80211_state_name[vap->iv_state] 1026178354Ssam struct ifnet *ifp = sc->sc_ifp; 1027178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1028178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1029145247Sdamien uint32_t state; 1030145247Sdamien 1031145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 1032145247Sdamien 1033145247Sdamien state = le32toh(*mtod(sbuf->m, uint32_t *)); 1034145247Sdamien 1035145247Sdamien switch (state) { 1036145247Sdamien case IPW_STATE_ASSOCIATED: 1037172567Sthompsa DPRINTFN(2, ("Association succeeded (%s flags 0x%x)\n", 1038178354Ssam IEEESTATE(vap), sc->flags)); 1039178354Ssam /* XXX suppress state change in case the fw auto-associates */ 1040178354Ssam if ((sc->flags & IPW_FLAG_ASSOCIATING) == 0) { 1041178354Ssam DPRINTF(("Unexpected association (%s, flags 0x%x)\n", 1042178354Ssam IEEESTATE(vap), sc->flags)); 1043178354Ssam break; 1044178354Ssam } 1045178354Ssam sc->flags &= ~IPW_FLAG_ASSOCIATING; 1046172567Sthompsa sc->flags |= IPW_FLAG_ASSOCIATED; 1047145247Sdamien break; 1048145247Sdamien 1049145247Sdamien case IPW_STATE_SCANNING: 1050172567Sthompsa DPRINTFN(3, ("Scanning (%s flags 0x%x)\n", 1051178354Ssam IEEESTATE(vap), sc->flags)); 1052172567Sthompsa /* 1053172567Sthompsa * NB: Check driver state for association on assoc 1054172567Sthompsa * loss as the firmware will immediately start to 1055172567Sthompsa * scan and we would treat it as a beacon miss if 1056172567Sthompsa * we checked the 802.11 layer state. 1057172567Sthompsa */ 1058178354Ssam if (sc->flags & IPW_FLAG_ASSOCIATED) { 1059206767Sbschmidt IPW_UNLOCK(sc); 1060178354Ssam /* XXX probably need to issue disassoc to fw */ 1061191746Sthompsa ieee80211_beacon_miss(ic); 1062206767Sbschmidt IPW_LOCK(sc); 1063178354Ssam } 1064145247Sdamien break; 1065145247Sdamien 1066145247Sdamien case IPW_STATE_SCAN_COMPLETE: 1067172567Sthompsa /* 1068172567Sthompsa * XXX For some reason scan requests generate scan 1069172567Sthompsa * started + scan done events before any traffic is 1070172567Sthompsa * received (e.g. probe response frames). We work 1071172567Sthompsa * around this by marking the HACK flag and skipping 1072172567Sthompsa * the first scan complete event. 1073172567Sthompsa */ 1074178354Ssam DPRINTFN(3, ("Scan complete (%s flags 0x%x)\n", 1075178354Ssam IEEESTATE(vap), sc->flags)); 1076172567Sthompsa if (sc->flags & IPW_FLAG_HACK) { 1077172567Sthompsa sc->flags &= ~IPW_FLAG_HACK; 1078172567Sthompsa break; 1079172567Sthompsa } 1080172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) { 1081206767Sbschmidt IPW_UNLOCK(sc); 1082191746Sthompsa ieee80211_scan_done(vap); 1083206767Sbschmidt IPW_LOCK(sc); 1084172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 1085172567Sthompsa sc->sc_scan_timer = 0; 1086172567Sthompsa } 1087145247Sdamien break; 1088145247Sdamien 1089145247Sdamien case IPW_STATE_ASSOCIATION_LOST: 1090172567Sthompsa DPRINTFN(2, ("Association lost (%s flags 0x%x)\n", 1091178354Ssam IEEESTATE(vap), sc->flags)); 1092178354Ssam sc->flags &= ~(IPW_FLAG_ASSOCIATING | IPW_FLAG_ASSOCIATED); 1093206767Sbschmidt if (vap->iv_state == IEEE80211_S_RUN) { 1094206767Sbschmidt IPW_UNLOCK(sc); 1095191746Sthompsa ieee80211_new_state(vap, IEEE80211_S_SCAN, -1); 1096206767Sbschmidt IPW_LOCK(sc); 1097206767Sbschmidt } 1098145247Sdamien break; 1099145247Sdamien 1100172567Sthompsa case IPW_STATE_DISABLED: 1101178354Ssam /* XXX? is this right? */ 1102206763Sbschmidt sc->flags &= ~(IPW_FLAG_HACK | IPW_FLAG_SCANNING | 1103178354Ssam IPW_FLAG_ASSOCIATING | IPW_FLAG_ASSOCIATED); 1104172567Sthompsa DPRINTFN(2, ("Firmware disabled (%s flags 0x%x)\n", 1105178354Ssam IEEESTATE(vap), sc->flags)); 1106172567Sthompsa break; 1107172567Sthompsa 1108145247Sdamien case IPW_STATE_RADIO_DISABLED: 1109178354Ssam device_printf(sc->sc_dev, "radio turned off\n"); 1110178354Ssam ieee80211_notify_radio(ic, 0); 1111172567Sthompsa ipw_stop_locked(sc); 1112178354Ssam /* XXX start polling thread to detect radio on */ 1113145247Sdamien break; 1114172567Sthompsa 1115172567Sthompsa default: 1116172567Sthompsa DPRINTFN(2, ("%s: unhandled state %u %s flags 0x%x\n", 1117178354Ssam __func__, state, IEEESTATE(vap), sc->flags)); 1118172567Sthompsa break; 1119145247Sdamien } 1120172567Sthompsa#undef IEEESTATE 1121145247Sdamien} 1122145247Sdamien 1123145247Sdamien/* 1124172567Sthompsa * Set driver state for current channel. 1125172567Sthompsa */ 1126172567Sthompsastatic void 1127172567Sthompsaipw_setcurchan(struct ipw_softc *sc, struct ieee80211_channel *chan) 1128172567Sthompsa{ 1129178354Ssam struct ifnet *ifp = sc->sc_ifp; 1130178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1131172567Sthompsa 1132172567Sthompsa ic->ic_curchan = chan; 1133192468Ssam ieee80211_radiotap_chan_change(ic); 1134172567Sthompsa} 1135172567Sthompsa 1136172567Sthompsa/* 1137145247Sdamien * XXX: Hack to set the current channel to the value advertised in beacons or 1138145247Sdamien * probe responses. Only used during AP detection. 1139145247Sdamien */ 1140145247Sdamienstatic void 1141172567Sthompsaipw_fix_channel(struct ipw_softc *sc, struct mbuf *m) 1142145247Sdamien{ 1143178354Ssam struct ifnet *ifp = sc->sc_ifp; 1144178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1145172567Sthompsa struct ieee80211_channel *c; 1146145247Sdamien struct ieee80211_frame *wh; 1147145247Sdamien uint8_t subtype; 1148145247Sdamien uint8_t *frm, *efrm; 1149145247Sdamien 1150145247Sdamien wh = mtod(m, struct ieee80211_frame *); 1151145247Sdamien 1152145247Sdamien if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 1153145247Sdamien return; 1154145247Sdamien 1155145247Sdamien subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 1156145247Sdamien 1157145247Sdamien if (subtype != IEEE80211_FC0_SUBTYPE_BEACON && 1158145247Sdamien subtype != IEEE80211_FC0_SUBTYPE_PROBE_RESP) 1159145247Sdamien return; 1160145247Sdamien 1161178354Ssam /* XXX use ieee80211_parse_beacon */ 1162145247Sdamien frm = (uint8_t *)(wh + 1); 1163145247Sdamien efrm = mtod(m, uint8_t *) + m->m_len; 1164145247Sdamien 1165145247Sdamien frm += 12; /* skip tstamp, bintval and capinfo fields */ 1166145247Sdamien while (frm < efrm) { 1167145247Sdamien if (*frm == IEEE80211_ELEMID_DSPARMS) 1168145247Sdamien#if IEEE80211_CHAN_MAX < 255 1169145247Sdamien if (frm[2] <= IEEE80211_CHAN_MAX) 1170145247Sdamien#endif 1171172567Sthompsa { 1172172567Sthompsa DPRINTF(("Fixing channel to %d\n", frm[2])); 1173172567Sthompsa c = ieee80211_find_channel(ic, 1174170530Ssam ieee80211_ieee2mhz(frm[2], 0), 1175172567Sthompsa IEEE80211_CHAN_B); 1176172567Sthompsa if (c == NULL) 1177172567Sthompsa c = &ic->ic_channels[0]; 1178172567Sthompsa ipw_setcurchan(sc, c); 1179172567Sthompsa } 1180145247Sdamien 1181145247Sdamien frm += frm[1] + 2; 1182145247Sdamien } 1183145247Sdamien} 1184145247Sdamien 1185145247Sdamienstatic void 1186172567Sthompsaipw_rx_data_intr(struct ipw_softc *sc, struct ipw_status *status, 1187145247Sdamien struct ipw_soft_bd *sbd, struct ipw_soft_buf *sbuf) 1188145247Sdamien{ 1189178354Ssam struct ifnet *ifp = sc->sc_ifp; 1190178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1191152385Sdamien struct mbuf *mnew, *m; 1192145247Sdamien struct ieee80211_node *ni; 1193145247Sdamien bus_addr_t physaddr; 1194145247Sdamien int error; 1195192468Ssam int8_t rssi, nf; 1196145247Sdamien 1197152385Sdamien DPRINTFN(5, ("received frame len=%u, rssi=%u\n", le32toh(status->len), 1198152385Sdamien status->rssi)); 1199152385Sdamien 1200147757Sdamien if (le32toh(status->len) < sizeof (struct ieee80211_frame_min) || 1201147757Sdamien le32toh(status->len) > MCLBYTES) 1202147757Sdamien return; 1203147757Sdamien 1204152385Sdamien /* 1205152385Sdamien * Try to allocate a new mbuf for this ring element and load it before 1206152385Sdamien * processing the current mbuf. If the ring element cannot be loaded, 1207152385Sdamien * drop the received packet and reuse the old mbuf. In the unlikely 1208152385Sdamien * case that the old mbuf can't be reloaded either, explicitly panic. 1209152385Sdamien */ 1210243857Sglebius mnew = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1211152385Sdamien if (mnew == NULL) { 1212152385Sdamien ifp->if_ierrors++; 1213152385Sdamien return; 1214152385Sdamien } 1215152385Sdamien 1216145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 1217145247Sdamien bus_dmamap_unload(sc->rxbuf_dmat, sbuf->map); 1218145247Sdamien 1219152385Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, mtod(mnew, void *), 1220152385Sdamien MCLBYTES, ipw_dma_map_addr, &physaddr, 0); 1221152385Sdamien if (error != 0) { 1222152385Sdamien m_freem(mnew); 1223152385Sdamien 1224152385Sdamien /* try to reload the old mbuf */ 1225152385Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, 1226152385Sdamien mtod(sbuf->m, void *), MCLBYTES, ipw_dma_map_addr, 1227152385Sdamien &physaddr, 0); 1228152385Sdamien if (error != 0) { 1229152385Sdamien /* very unlikely that it will fail... */ 1230152385Sdamien panic("%s: could not load old rx mbuf", 1231152385Sdamien device_get_name(sc->sc_dev)); 1232152385Sdamien } 1233152385Sdamien ifp->if_ierrors++; 1234152385Sdamien return; 1235152385Sdamien } 1236152385Sdamien 1237152385Sdamien /* 1238152385Sdamien * New mbuf successfully loaded, update Rx ring and continue 1239152385Sdamien * processing. 1240152385Sdamien */ 1241152385Sdamien m = sbuf->m; 1242152385Sdamien sbuf->m = mnew; 1243152385Sdamien sbd->bd->physaddr = htole32(physaddr); 1244152385Sdamien 1245145247Sdamien /* finalize mbuf */ 1246145247Sdamien m->m_pkthdr.rcvif = ifp; 1247145247Sdamien m->m_pkthdr.len = m->m_len = le32toh(status->len); 1248145247Sdamien 1249192468Ssam rssi = status->rssi + IPW_RSSI_TO_DBM; 1250192468Ssam nf = -95; 1251192468Ssam if (ieee80211_radiotap_active(ic)) { 1252145247Sdamien struct ipw_rx_radiotap_header *tap = &sc->sc_rxtap; 1253145247Sdamien 1254145247Sdamien tap->wr_flags = 0; 1255192468Ssam tap->wr_antsignal = rssi; 1256192468Ssam tap->wr_antnoise = nf; 1257145247Sdamien } 1258145247Sdamien 1259172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) 1260172567Sthompsa ipw_fix_channel(sc, m); 1261145247Sdamien 1262172567Sthompsa IPW_UNLOCK(sc); 1263178354Ssam ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *)); 1264178354Ssam if (ni != NULL) { 1265206764Sbschmidt (void) ieee80211_input(ni, m, rssi - nf, nf); 1266178354Ssam ieee80211_free_node(ni); 1267178354Ssam } else 1268206764Sbschmidt (void) ieee80211_input_all(ic, m, rssi - nf, nf); 1269172567Sthompsa IPW_LOCK(sc); 1270145247Sdamien 1271145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 1272145247Sdamien} 1273145247Sdamien 1274145247Sdamienstatic void 1275145247Sdamienipw_rx_intr(struct ipw_softc *sc) 1276145247Sdamien{ 1277145247Sdamien struct ipw_status *status; 1278145247Sdamien struct ipw_soft_bd *sbd; 1279145247Sdamien struct ipw_soft_buf *sbuf; 1280145247Sdamien uint32_t r, i; 1281145247Sdamien 1282145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1283145247Sdamien return; 1284145247Sdamien 1285145247Sdamien r = CSR_READ_4(sc, IPW_CSR_RX_READ); 1286145247Sdamien 1287145247Sdamien bus_dmamap_sync(sc->status_dmat, sc->status_map, BUS_DMASYNC_POSTREAD); 1288145247Sdamien 1289145247Sdamien for (i = (sc->rxcur + 1) % IPW_NRBD; i != r; i = (i + 1) % IPW_NRBD) { 1290145247Sdamien status = &sc->status_list[i]; 1291145247Sdamien sbd = &sc->srbd_list[i]; 1292145247Sdamien sbuf = sbd->priv; 1293145247Sdamien 1294145247Sdamien switch (le16toh(status->code) & 0xf) { 1295145247Sdamien case IPW_STATUS_CODE_COMMAND: 1296172567Sthompsa ipw_rx_cmd_intr(sc, sbuf); 1297145247Sdamien break; 1298145247Sdamien 1299145247Sdamien case IPW_STATUS_CODE_NEWSTATE: 1300172567Sthompsa ipw_rx_newstate_intr(sc, sbuf); 1301145247Sdamien break; 1302145247Sdamien 1303145247Sdamien case IPW_STATUS_CODE_DATA_802_3: 1304145247Sdamien case IPW_STATUS_CODE_DATA_802_11: 1305172567Sthompsa ipw_rx_data_intr(sc, status, sbd, sbuf); 1306145247Sdamien break; 1307145247Sdamien 1308145247Sdamien case IPW_STATUS_CODE_NOTIFICATION: 1309172567Sthompsa DPRINTFN(2, ("notification status, len %u flags 0x%x\n", 1310172567Sthompsa le32toh(status->len), status->flags)); 1311178354Ssam /* XXX maybe drive state machine AUTH->ASSOC? */ 1312145247Sdamien break; 1313145247Sdamien 1314145247Sdamien default: 1315172567Sthompsa device_printf(sc->sc_dev, "unexpected status code %u\n", 1316145247Sdamien le16toh(status->code)); 1317145247Sdamien } 1318145247Sdamien 1319145247Sdamien /* firmware was killed, stop processing received frames */ 1320145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1321145247Sdamien return; 1322145247Sdamien 1323145247Sdamien sbd->bd->flags = 0; 1324145247Sdamien } 1325145247Sdamien 1326145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 1327145247Sdamien 1328145247Sdamien /* kick the firmware */ 1329145247Sdamien sc->rxcur = (r == 0) ? IPW_NRBD - 1 : r - 1; 1330145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_WRITE, sc->rxcur); 1331145247Sdamien} 1332145247Sdamien 1333145247Sdamienstatic void 1334145247Sdamienipw_release_sbd(struct ipw_softc *sc, struct ipw_soft_bd *sbd) 1335145247Sdamien{ 1336145247Sdamien struct ipw_soft_hdr *shdr; 1337145247Sdamien struct ipw_soft_buf *sbuf; 1338145247Sdamien 1339145247Sdamien switch (sbd->type) { 1340145247Sdamien case IPW_SBD_TYPE_COMMAND: 1341145247Sdamien bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map, 1342145247Sdamien BUS_DMASYNC_POSTWRITE); 1343145247Sdamien bus_dmamap_unload(sc->cmd_dmat, sc->cmd_map); 1344145247Sdamien break; 1345145247Sdamien 1346145247Sdamien case IPW_SBD_TYPE_HEADER: 1347145247Sdamien shdr = sbd->priv; 1348145247Sdamien bus_dmamap_sync(sc->hdr_dmat, shdr->map, BUS_DMASYNC_POSTWRITE); 1349145247Sdamien bus_dmamap_unload(sc->hdr_dmat, shdr->map); 1350145247Sdamien SLIST_INSERT_HEAD(&sc->free_shdr, shdr, next); 1351145247Sdamien break; 1352145247Sdamien 1353145247Sdamien case IPW_SBD_TYPE_DATA: 1354145247Sdamien sbuf = sbd->priv; 1355145247Sdamien bus_dmamap_sync(sc->txbuf_dmat, sbuf->map, 1356145247Sdamien BUS_DMASYNC_POSTWRITE); 1357145247Sdamien bus_dmamap_unload(sc->txbuf_dmat, sbuf->map); 1358145247Sdamien SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next); 1359145247Sdamien 1360170530Ssam if (sbuf->m->m_flags & M_TXCB) 1361170530Ssam ieee80211_process_callback(sbuf->ni, sbuf->m, 0/*XXX*/); 1362145247Sdamien m_freem(sbuf->m); 1363145247Sdamien ieee80211_free_node(sbuf->ni); 1364145247Sdamien 1365145247Sdamien sc->sc_tx_timer = 0; 1366145247Sdamien break; 1367145247Sdamien } 1368145247Sdamien 1369145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 1370145247Sdamien} 1371145247Sdamien 1372145247Sdamienstatic void 1373145247Sdamienipw_tx_intr(struct ipw_softc *sc) 1374145247Sdamien{ 1375178354Ssam struct ifnet *ifp = sc->sc_ifp; 1376145247Sdamien struct ipw_soft_bd *sbd; 1377145247Sdamien uint32_t r, i; 1378145247Sdamien 1379145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1380145247Sdamien return; 1381145247Sdamien 1382145247Sdamien r = CSR_READ_4(sc, IPW_CSR_TX_READ); 1383145247Sdamien 1384145247Sdamien for (i = (sc->txold + 1) % IPW_NTBD; i != r; i = (i + 1) % IPW_NTBD) { 1385145247Sdamien sbd = &sc->stbd_list[i]; 1386145247Sdamien 1387145247Sdamien if (sbd->type == IPW_SBD_TYPE_DATA) 1388145247Sdamien ifp->if_opackets++; 1389145247Sdamien 1390145247Sdamien ipw_release_sbd(sc, sbd); 1391145247Sdamien sc->txfree++; 1392145247Sdamien } 1393145247Sdamien 1394145247Sdamien /* remember what the firmware has processed */ 1395145247Sdamien sc->txold = (r == 0) ? IPW_NTBD - 1 : r - 1; 1396145247Sdamien 1397148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1398172567Sthompsa ipw_start_locked(ifp); 1399145247Sdamien} 1400145247Sdamien 1401145247Sdamienstatic void 1402191746Sthompsaipw_fatal_error_intr(struct ipw_softc *sc) 1403191746Sthompsa{ 1404191746Sthompsa struct ifnet *ifp = sc->sc_ifp; 1405191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 1406191956Sthompsa struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1407191746Sthompsa 1408191746Sthompsa device_printf(sc->sc_dev, "firmware error\n"); 1409206767Sbschmidt if (vap != NULL) { 1410206767Sbschmidt IPW_UNLOCK(sc); 1411191956Sthompsa ieee80211_cancel_scan(vap); 1412206767Sbschmidt IPW_LOCK(sc); 1413206767Sbschmidt } 1414191746Sthompsa ieee80211_runtask(ic, &sc->sc_init_task); 1415191746Sthompsa} 1416191746Sthompsa 1417191746Sthompsastatic void 1418145247Sdamienipw_intr(void *arg) 1419145247Sdamien{ 1420145247Sdamien struct ipw_softc *sc = arg; 1421145247Sdamien uint32_t r; 1422145247Sdamien 1423172567Sthompsa IPW_LOCK(sc); 1424145247Sdamien 1425191746Sthompsa r = CSR_READ_4(sc, IPW_CSR_INTR); 1426191746Sthompsa if (r == 0 || r == 0xffffffff) 1427191746Sthompsa goto done; 1428145247Sdamien 1429145247Sdamien /* disable interrupts */ 1430145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0); 1431145247Sdamien 1432156599Sdamien /* acknowledge all interrupts */ 1433156599Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR, r); 1434156599Sdamien 1435145247Sdamien if (r & (IPW_INTR_FATAL_ERROR | IPW_INTR_PARITY_ERROR)) { 1436191746Sthompsa ipw_fatal_error_intr(sc); 1437191746Sthompsa goto done; 1438145247Sdamien } 1439145247Sdamien 1440156599Sdamien if (r & IPW_INTR_FW_INIT_DONE) 1441156599Sdamien wakeup(sc); 1442145247Sdamien 1443145247Sdamien if (r & IPW_INTR_RX_TRANSFER) 1444145247Sdamien ipw_rx_intr(sc); 1445145247Sdamien 1446145247Sdamien if (r & IPW_INTR_TX_TRANSFER) 1447145247Sdamien ipw_tx_intr(sc); 1448145247Sdamien 1449145247Sdamien /* re-enable interrupts */ 1450145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK); 1451191746Sthompsadone: 1452172567Sthompsa IPW_UNLOCK(sc); 1453145247Sdamien} 1454145247Sdamien 1455145247Sdamienstatic void 1456145247Sdamienipw_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) 1457145247Sdamien{ 1458145247Sdamien if (error != 0) 1459145247Sdamien return; 1460145247Sdamien 1461145247Sdamien KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 1462145247Sdamien 1463145247Sdamien *(bus_addr_t *)arg = segs[0].ds_addr; 1464145247Sdamien} 1465145247Sdamien 1466172567Sthompsastatic const char * 1467172567Sthompsaipw_cmdname(int cmd) 1468172567Sthompsa{ 1469172567Sthompsa#define N(a) (sizeof(a) / sizeof(a[0])) 1470172567Sthompsa static const struct { 1471172567Sthompsa int cmd; 1472172567Sthompsa const char *name; 1473172567Sthompsa } cmds[] = { 1474172567Sthompsa { IPW_CMD_ADD_MULTICAST, "ADD_MULTICAST" }, 1475172567Sthompsa { IPW_CMD_BROADCAST_SCAN, "BROADCAST_SCAN" }, 1476172567Sthompsa { IPW_CMD_DISABLE, "DISABLE" }, 1477172567Sthompsa { IPW_CMD_DISABLE_PHY, "DISABLE_PHY" }, 1478172567Sthompsa { IPW_CMD_ENABLE, "ENABLE" }, 1479172567Sthompsa { IPW_CMD_PREPARE_POWER_DOWN, "PREPARE_POWER_DOWN" }, 1480172567Sthompsa { IPW_CMD_SET_BASIC_TX_RATES, "SET_BASIC_TX_RATES" }, 1481172567Sthompsa { IPW_CMD_SET_BEACON_INTERVAL, "SET_BEACON_INTERVAL" }, 1482172567Sthompsa { IPW_CMD_SET_CHANNEL, "SET_CHANNEL" }, 1483172567Sthompsa { IPW_CMD_SET_CONFIGURATION, "SET_CONFIGURATION" }, 1484172567Sthompsa { IPW_CMD_SET_DESIRED_BSSID, "SET_DESIRED_BSSID" }, 1485172567Sthompsa { IPW_CMD_SET_ESSID, "SET_ESSID" }, 1486172567Sthompsa { IPW_CMD_SET_FRAG_THRESHOLD, "SET_FRAG_THRESHOLD" }, 1487172567Sthompsa { IPW_CMD_SET_MAC_ADDRESS, "SET_MAC_ADDRESS" }, 1488172567Sthompsa { IPW_CMD_SET_MANDATORY_BSSID, "SET_MANDATORY_BSSID" }, 1489172567Sthompsa { IPW_CMD_SET_MODE, "SET_MODE" }, 1490172567Sthompsa { IPW_CMD_SET_MSDU_TX_RATES, "SET_MSDU_TX_RATES" }, 1491172567Sthompsa { IPW_CMD_SET_POWER_MODE, "SET_POWER_MODE" }, 1492172567Sthompsa { IPW_CMD_SET_RTS_THRESHOLD, "SET_RTS_THRESHOLD" }, 1493172567Sthompsa { IPW_CMD_SET_SCAN_OPTIONS, "SET_SCAN_OPTIONS" }, 1494172567Sthompsa { IPW_CMD_SET_SECURITY_INFO, "SET_SECURITY_INFO" }, 1495172567Sthompsa { IPW_CMD_SET_TX_POWER_INDEX, "SET_TX_POWER_INDEX" }, 1496172567Sthompsa { IPW_CMD_SET_TX_RATES, "SET_TX_RATES" }, 1497172567Sthompsa { IPW_CMD_SET_WEP_FLAGS, "SET_WEP_FLAGS" }, 1498172567Sthompsa { IPW_CMD_SET_WEP_KEY, "SET_WEP_KEY" }, 1499172567Sthompsa { IPW_CMD_SET_WEP_KEY_INDEX, "SET_WEP_KEY_INDEX" }, 1500172567Sthompsa { IPW_CMD_SET_WPA_IE, "SET_WPA_IE" }, 1501172567Sthompsa 1502172567Sthompsa }; 1503172567Sthompsa static char buf[12]; 1504172567Sthompsa int i; 1505172567Sthompsa 1506172567Sthompsa for (i = 0; i < N(cmds); i++) 1507172567Sthompsa if (cmds[i].cmd == cmd) 1508172567Sthompsa return cmds[i].name; 1509172567Sthompsa snprintf(buf, sizeof(buf), "%u", cmd); 1510172567Sthompsa return buf; 1511172567Sthompsa#undef N 1512172567Sthompsa} 1513172567Sthompsa 1514145247Sdamien/* 1515145247Sdamien * Send a command to the firmware and wait for the acknowledgement. 1516145247Sdamien */ 1517145247Sdamienstatic int 1518145247Sdamienipw_cmd(struct ipw_softc *sc, uint32_t type, void *data, uint32_t len) 1519145247Sdamien{ 1520145247Sdamien struct ipw_soft_bd *sbd; 1521145247Sdamien bus_addr_t physaddr; 1522145247Sdamien int error; 1523145247Sdamien 1524178354Ssam IPW_LOCK_ASSERT(sc); 1525178354Ssam 1526172567Sthompsa if (sc->flags & IPW_FLAG_BUSY) { 1527172567Sthompsa device_printf(sc->sc_dev, "%s: %s not sent, busy\n", 1528172567Sthompsa __func__, ipw_cmdname(type)); 1529172567Sthompsa return EAGAIN; 1530172567Sthompsa } 1531172567Sthompsa sc->flags |= IPW_FLAG_BUSY; 1532172567Sthompsa 1533145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1534145247Sdamien 1535145247Sdamien error = bus_dmamap_load(sc->cmd_dmat, sc->cmd_map, &sc->cmd, 1536145247Sdamien sizeof (struct ipw_cmd), ipw_dma_map_addr, &physaddr, 0); 1537145247Sdamien if (error != 0) { 1538145247Sdamien device_printf(sc->sc_dev, "could not map command DMA memory\n"); 1539172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 1540145247Sdamien return error; 1541145247Sdamien } 1542145247Sdamien 1543145247Sdamien sc->cmd.type = htole32(type); 1544145247Sdamien sc->cmd.subtype = 0; 1545145247Sdamien sc->cmd.len = htole32(len); 1546145247Sdamien sc->cmd.seq = 0; 1547152637Sdamien memcpy(sc->cmd.data, data, len); 1548145247Sdamien 1549145247Sdamien sbd->type = IPW_SBD_TYPE_COMMAND; 1550145247Sdamien sbd->bd->physaddr = htole32(physaddr); 1551145247Sdamien sbd->bd->len = htole32(sizeof (struct ipw_cmd)); 1552145247Sdamien sbd->bd->nfrag = 1; 1553145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_COMMAND | 1554145247Sdamien IPW_BD_FLAG_TX_LAST_FRAGMENT; 1555145247Sdamien 1556145247Sdamien bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map, BUS_DMASYNC_PREWRITE); 1557145247Sdamien bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE); 1558145247Sdamien 1559172567Sthompsa#ifdef IPW_DEBUG 1560172567Sthompsa if (ipw_debug >= 4) { 1561172567Sthompsa printf("sending %s(%u, %u, %u, %u)", ipw_cmdname(type), type, 1562172567Sthompsa 0, 0, len); 1563172567Sthompsa /* Print the data buffer in the higher debug level */ 1564172567Sthompsa if (ipw_debug >= 9 && len > 0) { 1565172567Sthompsa printf(" data: 0x"); 1566172567Sthompsa for (int i = 1; i <= len; i++) 1567174269Swkoszek printf("%1D", (u_char *)data + len - i, ""); 1568172567Sthompsa } 1569172567Sthompsa printf("\n"); 1570172567Sthompsa } 1571172567Sthompsa#endif 1572145247Sdamien 1573145247Sdamien /* kick firmware */ 1574145247Sdamien sc->txfree--; 1575145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1576145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 1577145247Sdamien 1578145247Sdamien /* wait at most one second for command to complete */ 1579172567Sthompsa error = msleep(sc, &sc->sc_mtx, 0, "ipwcmd", hz); 1580172567Sthompsa if (error != 0) { 1581172567Sthompsa device_printf(sc->sc_dev, "%s: %s failed, timeout (error %u)\n", 1582172567Sthompsa __func__, ipw_cmdname(type), error); 1583172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 1584172567Sthompsa return (error); 1585172567Sthompsa } 1586172567Sthompsa return (0); 1587145247Sdamien} 1588145247Sdamien 1589145247Sdamienstatic int 1590145247Sdamienipw_tx_start(struct ifnet *ifp, struct mbuf *m0, struct ieee80211_node *ni) 1591145247Sdamien{ 1592145247Sdamien struct ipw_softc *sc = ifp->if_softc; 1593178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1594192468Ssam struct ieee80211vap *vap = ni->ni_vap; 1595145247Sdamien struct ieee80211_frame *wh; 1596145247Sdamien struct ipw_soft_bd *sbd; 1597145247Sdamien struct ipw_soft_hdr *shdr; 1598145247Sdamien struct ipw_soft_buf *sbuf; 1599145247Sdamien struct ieee80211_key *k; 1600145247Sdamien struct mbuf *mnew; 1601145247Sdamien bus_dma_segment_t segs[IPW_MAX_NSEG]; 1602145247Sdamien bus_addr_t physaddr; 1603145247Sdamien int nsegs, error, i; 1604145247Sdamien 1605145247Sdamien wh = mtod(m0, struct ieee80211_frame *); 1606145247Sdamien 1607145247Sdamien if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1608178354Ssam k = ieee80211_crypto_encap(ni, m0); 1609147806Ssam if (k == NULL) { 1610147806Ssam m_freem(m0); 1611145247Sdamien return ENOBUFS; 1612147806Ssam } 1613145247Sdamien /* packet header may have moved, reset our local pointer */ 1614145247Sdamien wh = mtod(m0, struct ieee80211_frame *); 1615145247Sdamien } 1616145247Sdamien 1617192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 1618145247Sdamien struct ipw_tx_radiotap_header *tap = &sc->sc_txtap; 1619145247Sdamien 1620145247Sdamien tap->wt_flags = 0; 1621145247Sdamien 1622192468Ssam ieee80211_radiotap_tx(vap, m0); 1623145247Sdamien } 1624145247Sdamien 1625145247Sdamien shdr = SLIST_FIRST(&sc->free_shdr); 1626145247Sdamien sbuf = SLIST_FIRST(&sc->free_sbuf); 1627145247Sdamien KASSERT(shdr != NULL && sbuf != NULL, ("empty sw hdr/buf pool")); 1628145247Sdamien 1629145247Sdamien shdr->hdr.type = htole32(IPW_HDR_TYPE_SEND); 1630145247Sdamien shdr->hdr.subtype = 0; 1631145247Sdamien shdr->hdr.encrypted = (wh->i_fc[1] & IEEE80211_FC1_WEP) ? 1 : 0; 1632145247Sdamien shdr->hdr.encrypt = 0; 1633145247Sdamien shdr->hdr.keyidx = 0; 1634145247Sdamien shdr->hdr.keysz = 0; 1635145247Sdamien shdr->hdr.fragmentsz = 0; 1636145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.src_addr, wh->i_addr2); 1637145247Sdamien if (ic->ic_opmode == IEEE80211_M_STA) 1638145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr3); 1639145247Sdamien else 1640145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr1); 1641145247Sdamien 1642145247Sdamien /* trim IEEE802.11 header */ 1643145247Sdamien m_adj(m0, sizeof (struct ieee80211_frame)); 1644145247Sdamien 1645145247Sdamien error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0, segs, 1646145247Sdamien &nsegs, 0); 1647145247Sdamien if (error != 0 && error != EFBIG) { 1648145247Sdamien device_printf(sc->sc_dev, "could not map mbuf (error %d)\n", 1649145247Sdamien error); 1650145247Sdamien m_freem(m0); 1651145247Sdamien return error; 1652145247Sdamien } 1653145247Sdamien if (error != 0) { 1654243857Sglebius mnew = m_defrag(m0, M_NOWAIT); 1655145247Sdamien if (mnew == NULL) { 1656145247Sdamien device_printf(sc->sc_dev, 1657145247Sdamien "could not defragment mbuf\n"); 1658145247Sdamien m_freem(m0); 1659145247Sdamien return ENOBUFS; 1660145247Sdamien } 1661145247Sdamien m0 = mnew; 1662145247Sdamien 1663145247Sdamien error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0, 1664145247Sdamien segs, &nsegs, 0); 1665145247Sdamien if (error != 0) { 1666145247Sdamien device_printf(sc->sc_dev, 1667145247Sdamien "could not map mbuf (error %d)\n", error); 1668145247Sdamien m_freem(m0); 1669145247Sdamien return error; 1670145247Sdamien } 1671145247Sdamien } 1672145247Sdamien 1673145247Sdamien error = bus_dmamap_load(sc->hdr_dmat, shdr->map, &shdr->hdr, 1674145247Sdamien sizeof (struct ipw_hdr), ipw_dma_map_addr, &physaddr, 0); 1675145247Sdamien if (error != 0) { 1676145247Sdamien device_printf(sc->sc_dev, "could not map header DMA memory\n"); 1677145247Sdamien bus_dmamap_unload(sc->txbuf_dmat, sbuf->map); 1678145247Sdamien m_freem(m0); 1679145247Sdamien return error; 1680145247Sdamien } 1681145247Sdamien 1682145247Sdamien SLIST_REMOVE_HEAD(&sc->free_sbuf, next); 1683145247Sdamien SLIST_REMOVE_HEAD(&sc->free_shdr, next); 1684145247Sdamien 1685145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1686145247Sdamien sbd->type = IPW_SBD_TYPE_HEADER; 1687145247Sdamien sbd->priv = shdr; 1688145247Sdamien sbd->bd->physaddr = htole32(physaddr); 1689145247Sdamien sbd->bd->len = htole32(sizeof (struct ipw_hdr)); 1690145247Sdamien sbd->bd->nfrag = 1 + nsegs; 1691145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3 | 1692145247Sdamien IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT; 1693145247Sdamien 1694145247Sdamien DPRINTFN(5, ("sending tx hdr (%u, %u, %u, %u, %6D, %6D)\n", 1695145247Sdamien shdr->hdr.type, shdr->hdr.subtype, shdr->hdr.encrypted, 1696145247Sdamien shdr->hdr.encrypt, shdr->hdr.src_addr, ":", shdr->hdr.dst_addr, 1697145247Sdamien ":")); 1698145247Sdamien 1699145247Sdamien sc->txfree--; 1700145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1701145247Sdamien 1702145247Sdamien sbuf->m = m0; 1703145247Sdamien sbuf->ni = ni; 1704145247Sdamien 1705145247Sdamien for (i = 0; i < nsegs; i++) { 1706145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1707145247Sdamien 1708145247Sdamien sbd->bd->physaddr = htole32(segs[i].ds_addr); 1709145247Sdamien sbd->bd->len = htole32(segs[i].ds_len); 1710145247Sdamien sbd->bd->nfrag = 0; 1711145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3; 1712145247Sdamien if (i == nsegs - 1) { 1713145247Sdamien sbd->type = IPW_SBD_TYPE_DATA; 1714145247Sdamien sbd->priv = sbuf; 1715145247Sdamien sbd->bd->flags |= IPW_BD_FLAG_TX_LAST_FRAGMENT; 1716145247Sdamien } else { 1717145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 1718145247Sdamien sbd->bd->flags |= IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT; 1719145247Sdamien } 1720145247Sdamien 1721172574Sthompsa DPRINTFN(5, ("sending fragment (%d)\n", i)); 1722145247Sdamien 1723145247Sdamien sc->txfree--; 1724145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1725145247Sdamien } 1726145247Sdamien 1727145247Sdamien bus_dmamap_sync(sc->hdr_dmat, shdr->map, BUS_DMASYNC_PREWRITE); 1728145247Sdamien bus_dmamap_sync(sc->txbuf_dmat, sbuf->map, BUS_DMASYNC_PREWRITE); 1729145247Sdamien bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE); 1730145247Sdamien 1731145247Sdamien /* kick firmware */ 1732145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 1733145247Sdamien 1734145247Sdamien return 0; 1735145247Sdamien} 1736145247Sdamien 1737178354Ssamstatic int 1738178354Ssamipw_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 1739178354Ssam const struct ieee80211_bpf_params *params) 1740178354Ssam{ 1741178354Ssam /* no support; just discard */ 1742178354Ssam m_freem(m); 1743178354Ssam ieee80211_free_node(ni); 1744178354Ssam return 0; 1745178354Ssam} 1746178354Ssam 1747145247Sdamienstatic void 1748145247Sdamienipw_start(struct ifnet *ifp) 1749145247Sdamien{ 1750145247Sdamien struct ipw_softc *sc = ifp->if_softc; 1751172567Sthompsa 1752172567Sthompsa IPW_LOCK(sc); 1753172567Sthompsa ipw_start_locked(ifp); 1754172567Sthompsa IPW_UNLOCK(sc); 1755172567Sthompsa} 1756172567Sthompsa 1757172567Sthompsastatic void 1758172567Sthompsaipw_start_locked(struct ifnet *ifp) 1759172567Sthompsa{ 1760172567Sthompsa struct ipw_softc *sc = ifp->if_softc; 1761145247Sdamien struct ieee80211_node *ni; 1762178354Ssam struct mbuf *m; 1763145247Sdamien 1764172567Sthompsa IPW_LOCK_ASSERT(sc); 1765145247Sdamien 1766145247Sdamien for (;;) { 1767178354Ssam IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 1768178354Ssam if (m == NULL) 1769145247Sdamien break; 1770145247Sdamien if (sc->txfree < 1 + IPW_MAX_NSEG) { 1771178354Ssam IFQ_DRV_PREPEND(&ifp->if_snd, m); 1772148887Srwatson ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1773145247Sdamien break; 1774145247Sdamien } 1775178354Ssam ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; 1776178354Ssam if (ipw_tx_start(ifp, m, ni) != 0) { 1777145247Sdamien ieee80211_free_node(ni); 1778145247Sdamien ifp->if_oerrors++; 1779145247Sdamien break; 1780145247Sdamien } 1781145247Sdamien /* start watchdog timer */ 1782145247Sdamien sc->sc_tx_timer = 5; 1783145247Sdamien } 1784145247Sdamien} 1785145247Sdamien 1786145247Sdamienstatic void 1787172567Sthompsaipw_watchdog(void *arg) 1788145247Sdamien{ 1789172567Sthompsa struct ipw_softc *sc = arg; 1790172567Sthompsa struct ifnet *ifp = sc->sc_ifp; 1791178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1792145247Sdamien 1793172567Sthompsa IPW_LOCK_ASSERT(sc); 1794156599Sdamien 1795145247Sdamien if (sc->sc_tx_timer > 0) { 1796145247Sdamien if (--sc->sc_tx_timer == 0) { 1797145247Sdamien if_printf(ifp, "device timeout\n"); 1798145247Sdamien ifp->if_oerrors++; 1799178354Ssam taskqueue_enqueue(taskqueue_swi, &sc->sc_init_task); 1800145247Sdamien } 1801145247Sdamien } 1802172567Sthompsa if (sc->sc_scan_timer > 0) { 1803172567Sthompsa if (--sc->sc_scan_timer == 0) { 1804172567Sthompsa DPRINTFN(3, ("Scan timeout\n")); 1805172567Sthompsa /* End the scan */ 1806172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) { 1807206767Sbschmidt IPW_UNLOCK(sc); 1808178354Ssam ieee80211_scan_done(TAILQ_FIRST(&ic->ic_vaps)); 1809206767Sbschmidt IPW_LOCK(sc); 1810172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 1811172567Sthompsa } 1812172567Sthompsa } 1813172567Sthompsa } 1814172567Sthompsa if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1815172567Sthompsa callout_reset(&sc->sc_wdtimer, hz, ipw_watchdog, sc); 1816145247Sdamien} 1817145247Sdamien 1818145247Sdamienstatic int 1819145247Sdamienipw_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1820145247Sdamien{ 1821145247Sdamien struct ipw_softc *sc = ifp->if_softc; 1822178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1823178354Ssam struct ifreq *ifr = (struct ifreq *) data; 1824178354Ssam int error = 0, startall = 0; 1825145247Sdamien 1826145247Sdamien switch (cmd) { 1827145247Sdamien case SIOCSIFFLAGS: 1828178704Sthompsa IPW_LOCK(sc); 1829145247Sdamien if (ifp->if_flags & IFF_UP) { 1830178354Ssam if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1831178354Ssam ipw_init_locked(sc); 1832178354Ssam startall = 1; 1833178354Ssam } 1834145247Sdamien } else { 1835148887Srwatson if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1836172567Sthompsa ipw_stop_locked(sc); 1837145247Sdamien } 1838178704Sthompsa IPW_UNLOCK(sc); 1839178704Sthompsa if (startall) 1840178704Sthompsa ieee80211_start_all(ic); 1841145247Sdamien break; 1842178354Ssam case SIOCGIFMEDIA: 1843178354Ssam error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 1844178354Ssam break; 1845178704Sthompsa case SIOCGIFADDR: 1846178704Sthompsa error = ether_ioctl(ifp, cmd, data); 1847178704Sthompsa break; 1848145247Sdamien default: 1849178704Sthompsa error = EINVAL; 1850178704Sthompsa break; 1851145247Sdamien } 1852145247Sdamien return error; 1853145247Sdamien} 1854145247Sdamien 1855145247Sdamienstatic void 1856145247Sdamienipw_stop_master(struct ipw_softc *sc) 1857145247Sdamien{ 1858156599Sdamien uint32_t tmp; 1859145247Sdamien int ntries; 1860145247Sdamien 1861145247Sdamien /* disable interrupts */ 1862145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0); 1863145247Sdamien 1864145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_STOP_MASTER); 1865145247Sdamien for (ntries = 0; ntries < 50; ntries++) { 1866145247Sdamien if (CSR_READ_4(sc, IPW_CSR_RST) & IPW_RST_MASTER_DISABLED) 1867145247Sdamien break; 1868145247Sdamien DELAY(10); 1869145247Sdamien } 1870145247Sdamien if (ntries == 50) 1871145247Sdamien device_printf(sc->sc_dev, "timeout waiting for master\n"); 1872145247Sdamien 1873156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_RST); 1874156599Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_PRINCETON_RESET); 1875145247Sdamien 1876172567Sthompsa /* Clear all flags except the following */ 1877172567Sthompsa sc->flags &= IPW_FLAG_HAS_RADIO_SWITCH; 1878145247Sdamien} 1879145247Sdamien 1880145247Sdamienstatic int 1881145247Sdamienipw_reset(struct ipw_softc *sc) 1882145247Sdamien{ 1883156599Sdamien uint32_t tmp; 1884145247Sdamien int ntries; 1885145247Sdamien 1886145247Sdamien ipw_stop_master(sc); 1887145247Sdamien 1888145247Sdamien /* move adapter to D0 state */ 1889156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1890156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_INIT); 1891145247Sdamien 1892145247Sdamien /* wait for clock stabilization */ 1893145247Sdamien for (ntries = 0; ntries < 1000; ntries++) { 1894145247Sdamien if (CSR_READ_4(sc, IPW_CSR_CTL) & IPW_CTL_CLOCK_READY) 1895145247Sdamien break; 1896145247Sdamien DELAY(200); 1897145247Sdamien } 1898145247Sdamien if (ntries == 1000) 1899145247Sdamien return EIO; 1900145247Sdamien 1901156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_RST); 1902156599Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_SW_RESET); 1903145247Sdamien 1904145247Sdamien DELAY(10); 1905145247Sdamien 1906156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1907156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_INIT); 1908145247Sdamien 1909145247Sdamien return 0; 1910145247Sdamien} 1911145247Sdamien 1912172567Sthompsastatic int 1913172567Sthompsaipw_waitfordisable(struct ipw_softc *sc, int waitfor) 1914172567Sthompsa{ 1915172567Sthompsa int ms = hz < 1000 ? 1 : hz/10; 1916172567Sthompsa int i, error; 1917172567Sthompsa 1918172567Sthompsa for (i = 0; i < 100; i++) { 1919172567Sthompsa if (ipw_read_table1(sc, IPW_INFO_CARD_DISABLED) == waitfor) 1920172567Sthompsa return 0; 1921172567Sthompsa error = msleep(sc, &sc->sc_mtx, PCATCH, __func__, ms); 1922172567Sthompsa if (error == 0 || error != EWOULDBLOCK) 1923172567Sthompsa return 0; 1924172567Sthompsa } 1925172567Sthompsa DPRINTF(("%s: timeout waiting for %s\n", 1926172567Sthompsa __func__, waitfor ? "disable" : "enable")); 1927172567Sthompsa return ETIMEDOUT; 1928172567Sthompsa} 1929172567Sthompsa 1930172567Sthompsastatic int 1931172567Sthompsaipw_enable(struct ipw_softc *sc) 1932172567Sthompsa{ 1933172567Sthompsa int error; 1934172567Sthompsa 1935172567Sthompsa if ((sc->flags & IPW_FLAG_ENABLED) == 0) { 1936172567Sthompsa DPRINTF(("Enable adapter\n")); 1937172567Sthompsa error = ipw_cmd(sc, IPW_CMD_ENABLE, NULL, 0); 1938172567Sthompsa if (error != 0) 1939172567Sthompsa return error; 1940172567Sthompsa error = ipw_waitfordisable(sc, 0); 1941172567Sthompsa if (error != 0) 1942172567Sthompsa return error; 1943172567Sthompsa sc->flags |= IPW_FLAG_ENABLED; 1944172567Sthompsa } 1945172567Sthompsa return 0; 1946172567Sthompsa} 1947172567Sthompsa 1948172567Sthompsastatic int 1949172567Sthompsaipw_disable(struct ipw_softc *sc) 1950172567Sthompsa{ 1951172567Sthompsa int error; 1952172567Sthompsa 1953172567Sthompsa if (sc->flags & IPW_FLAG_ENABLED) { 1954172567Sthompsa DPRINTF(("Disable adapter\n")); 1955172567Sthompsa error = ipw_cmd(sc, IPW_CMD_DISABLE, NULL, 0); 1956172567Sthompsa if (error != 0) 1957172567Sthompsa return error; 1958172567Sthompsa error = ipw_waitfordisable(sc, 1); 1959172567Sthompsa if (error != 0) 1960172567Sthompsa return error; 1961172567Sthompsa sc->flags &= ~IPW_FLAG_ENABLED; 1962172567Sthompsa } 1963172567Sthompsa return 0; 1964172567Sthompsa} 1965172567Sthompsa 1966145247Sdamien/* 1967145247Sdamien * Upload the microcode to the device. 1968145247Sdamien */ 1969145247Sdamienstatic int 1970156599Sdamienipw_load_ucode(struct ipw_softc *sc, const char *uc, int size) 1971145247Sdamien{ 1972145247Sdamien int ntries; 1973145247Sdamien 1974145247Sdamien MEM_WRITE_4(sc, 0x3000e0, 0x80000000); 1975145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, 0); 1976145247Sdamien 1977145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0703); 1978145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0707); 1979145247Sdamien 1980145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1981145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1982145247Sdamien 1983145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x40); 1984145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1985145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x40); 1986145247Sdamien 1987145247Sdamien MEM_WRITE_MULTI_1(sc, 0x210010, uc, size); 1988145247Sdamien 1989145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1990145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1991145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x80); 1992145247Sdamien 1993145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0703); 1994145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0707); 1995145247Sdamien 1996145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1997145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1998145247Sdamien 1999145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 2000145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x80); 2001145247Sdamien 2002145247Sdamien for (ntries = 0; ntries < 10; ntries++) { 2003145247Sdamien if (MEM_READ_1(sc, 0x210000) & 1) 2004145247Sdamien break; 2005145247Sdamien DELAY(10); 2006145247Sdamien } 2007145247Sdamien if (ntries == 10) { 2008145247Sdamien device_printf(sc->sc_dev, 2009145247Sdamien "timeout waiting for ucode to initialize\n"); 2010145247Sdamien return EIO; 2011145247Sdamien } 2012145247Sdamien 2013145247Sdamien MEM_WRITE_4(sc, 0x3000e0, 0); 2014145247Sdamien 2015145247Sdamien return 0; 2016145247Sdamien} 2017145247Sdamien 2018145247Sdamien/* set of macros to handle unaligned little endian data in firmware image */ 2019145247Sdamien#define GETLE32(p) ((p)[0] | (p)[1] << 8 | (p)[2] << 16 | (p)[3] << 24) 2020145247Sdamien#define GETLE16(p) ((p)[0] | (p)[1] << 8) 2021145247Sdamienstatic int 2022156599Sdamienipw_load_firmware(struct ipw_softc *sc, const char *fw, int size) 2023145247Sdamien{ 2024156599Sdamien const uint8_t *p, *end; 2025156599Sdamien uint32_t tmp, dst; 2026145247Sdamien uint16_t len; 2027145247Sdamien int error; 2028145247Sdamien 2029145247Sdamien p = fw; 2030145247Sdamien end = fw + size; 2031145247Sdamien while (p < end) { 2032145247Sdamien dst = GETLE32(p); p += 4; 2033145247Sdamien len = GETLE16(p); p += 2; 2034145247Sdamien 2035145247Sdamien ipw_write_mem_1(sc, dst, p, len); 2036145247Sdamien p += len; 2037145247Sdamien } 2038145247Sdamien 2039145247Sdamien CSR_WRITE_4(sc, IPW_CSR_IO, IPW_IO_GPIO1_ENABLE | IPW_IO_GPIO3_MASK | 2040145247Sdamien IPW_IO_LED_OFF); 2041145247Sdamien 2042145247Sdamien /* enable interrupts */ 2043145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK); 2044145247Sdamien 2045145247Sdamien /* kick the firmware */ 2046145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, 0); 2047145247Sdamien 2048156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 2049156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_ALLOW_STANDBY); 2050145247Sdamien 2051145247Sdamien /* wait at most one second for firmware initialization to complete */ 2052145247Sdamien if ((error = msleep(sc, &sc->sc_mtx, 0, "ipwinit", hz)) != 0) { 2053145247Sdamien device_printf(sc->sc_dev, "timeout waiting for firmware " 2054145247Sdamien "initialization to complete\n"); 2055145247Sdamien return error; 2056145247Sdamien } 2057145247Sdamien 2058156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_IO); 2059156599Sdamien CSR_WRITE_4(sc, IPW_CSR_IO, tmp | IPW_IO_GPIO1_MASK | 2060156599Sdamien IPW_IO_GPIO3_MASK); 2061145247Sdamien 2062145247Sdamien return 0; 2063145247Sdamien} 2064145247Sdamien 2065145247Sdamienstatic int 2066172567Sthompsaipw_setwepkeys(struct ipw_softc *sc) 2067172567Sthompsa{ 2068178354Ssam struct ifnet *ifp = sc->sc_ifp; 2069178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2070178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2071172567Sthompsa struct ipw_wep_key wepkey; 2072172567Sthompsa struct ieee80211_key *wk; 2073172567Sthompsa int error, i; 2074172567Sthompsa 2075172567Sthompsa for (i = 0; i < IEEE80211_WEP_NKID; i++) { 2076178354Ssam wk = &vap->iv_nw_keys[i]; 2077172567Sthompsa 2078172567Sthompsa if (wk->wk_cipher == NULL || 2079172567Sthompsa wk->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP) 2080172567Sthompsa continue; 2081172567Sthompsa 2082172567Sthompsa wepkey.idx = i; 2083172567Sthompsa wepkey.len = wk->wk_keylen; 2084172567Sthompsa memset(wepkey.key, 0, sizeof wepkey.key); 2085172567Sthompsa memcpy(wepkey.key, wk->wk_key, wk->wk_keylen); 2086172567Sthompsa DPRINTF(("Setting wep key index %u len %u\n", wepkey.idx, 2087172567Sthompsa wepkey.len)); 2088172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY, &wepkey, 2089172567Sthompsa sizeof wepkey); 2090172567Sthompsa if (error != 0) 2091172567Sthompsa return error; 2092172567Sthompsa } 2093172567Sthompsa return 0; 2094172567Sthompsa} 2095172567Sthompsa 2096172567Sthompsastatic int 2097172567Sthompsaipw_setwpaie(struct ipw_softc *sc, const void *ie, int ielen) 2098172567Sthompsa{ 2099172567Sthompsa struct ipw_wpa_ie wpaie; 2100172567Sthompsa 2101172567Sthompsa memset(&wpaie, 0, sizeof(wpaie)); 2102172567Sthompsa wpaie.len = htole32(ielen); 2103172567Sthompsa /* XXX verify length */ 2104172567Sthompsa memcpy(&wpaie.ie, ie, ielen); 2105172567Sthompsa DPRINTF(("Setting WPA IE\n")); 2106172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_WPA_IE, &wpaie, sizeof(wpaie)); 2107172567Sthompsa} 2108172567Sthompsa 2109172567Sthompsastatic int 2110172567Sthompsaipw_setbssid(struct ipw_softc *sc, uint8_t *bssid) 2111172567Sthompsa{ 2112172567Sthompsa static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 2113172567Sthompsa 2114172567Sthompsa if (bssid == NULL || bcmp(bssid, zerobssid, IEEE80211_ADDR_LEN) == 0) { 2115172567Sthompsa DPRINTF(("Setting mandatory BSSID to null\n")); 2116172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID, NULL, 0); 2117172567Sthompsa } else { 2118172567Sthompsa DPRINTF(("Setting mandatory BSSID to %6D\n", bssid, ":")); 2119172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID, 2120172567Sthompsa bssid, IEEE80211_ADDR_LEN); 2121172567Sthompsa } 2122172567Sthompsa} 2123172567Sthompsa 2124172567Sthompsastatic int 2125172567Sthompsaipw_setssid(struct ipw_softc *sc, void *ssid, size_t ssidlen) 2126172567Sthompsa{ 2127172567Sthompsa if (ssidlen == 0) { 2128172567Sthompsa /* 2129172567Sthompsa * A bug in the firmware breaks the ``don't associate'' 2130172567Sthompsa * bit in the scan options command. To compensate for 2131172567Sthompsa * this install a bogus ssid when no ssid is specified 2132172567Sthompsa * so the firmware won't try to associate. 2133172567Sthompsa */ 2134172567Sthompsa DPRINTF(("Setting bogus ESSID to WAR firmware bug\n")); 2135172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_ESSID, 2136172567Sthompsa "\x18\x19\x20\x21\x22\x23\x24\x25\x26\x27" 2137172567Sthompsa "\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f\x30\x31" 2138172567Sthompsa "\x32\x33\x34\x35\x36\x37\x38\x39\x3a\x3b" 2139172567Sthompsa "\x3c\x3d", IEEE80211_NWID_LEN); 2140172567Sthompsa } else { 2141172567Sthompsa#ifdef IPW_DEBUG 2142172567Sthompsa if (ipw_debug > 0) { 2143172567Sthompsa printf("Setting ESSID to "); 2144172567Sthompsa ieee80211_print_essid(ssid, ssidlen); 2145172567Sthompsa printf("\n"); 2146172567Sthompsa } 2147172567Sthompsa#endif 2148172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_ESSID, ssid, ssidlen); 2149172567Sthompsa } 2150172567Sthompsa} 2151172567Sthompsa 2152172567Sthompsastatic int 2153172567Sthompsaipw_setscanopts(struct ipw_softc *sc, uint32_t chanmask, uint32_t flags) 2154172567Sthompsa{ 2155172567Sthompsa struct ipw_scan_options opts; 2156172567Sthompsa 2157172567Sthompsa DPRINTF(("Scan options: mask 0x%x flags 0x%x\n", chanmask, flags)); 2158172567Sthompsa opts.channels = htole32(chanmask); 2159172567Sthompsa opts.flags = htole32(flags); 2160172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_SCAN_OPTIONS, &opts, sizeof(opts)); 2161172567Sthompsa} 2162172567Sthompsa 2163172567Sthompsastatic int 2164172567Sthompsaipw_scan(struct ipw_softc *sc) 2165172567Sthompsa{ 2166172567Sthompsa uint32_t params; 2167172567Sthompsa int error; 2168172567Sthompsa 2169172567Sthompsa DPRINTF(("%s: flags 0x%x\n", __func__, sc->flags)); 2170172567Sthompsa 2171172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) 2172172567Sthompsa return (EBUSY); 2173172567Sthompsa sc->flags |= IPW_FLAG_SCANNING | IPW_FLAG_HACK; 2174172567Sthompsa 2175172567Sthompsa /* NB: IPW_SCAN_DO_NOT_ASSOCIATE does not work (we set it anyway) */ 2176172567Sthompsa error = ipw_setscanopts(sc, 0x3fff, IPW_SCAN_DO_NOT_ASSOCIATE); 2177172567Sthompsa if (error != 0) 2178172567Sthompsa goto done; 2179172567Sthompsa 2180172567Sthompsa /* 2181172567Sthompsa * Setup null/bogus ssid so firmware doesn't use any previous 2182172567Sthompsa * ssid to try and associate. This is because the ``don't 2183172567Sthompsa * associate'' option bit is broken (sigh). 2184172567Sthompsa */ 2185172567Sthompsa error = ipw_setssid(sc, NULL, 0); 2186172567Sthompsa if (error != 0) 2187172567Sthompsa goto done; 2188172567Sthompsa 2189172567Sthompsa /* 2190172567Sthompsa * NB: the adapter may be disabled on association lost; 2191172567Sthompsa * if so just re-enable it to kick off scanning. 2192172567Sthompsa */ 2193172567Sthompsa DPRINTF(("Starting scan\n")); 2194172567Sthompsa sc->sc_scan_timer = 3; 2195172567Sthompsa if (sc->flags & IPW_FLAG_ENABLED) { 2196172567Sthompsa params = 0; /* XXX? */ 2197172567Sthompsa error = ipw_cmd(sc, IPW_CMD_BROADCAST_SCAN, 2198172567Sthompsa ¶ms, sizeof(params)); 2199172567Sthompsa } else 2200172567Sthompsa error = ipw_enable(sc); 2201172567Sthompsadone: 2202172567Sthompsa if (error != 0) { 2203172567Sthompsa DPRINTF(("Scan failed\n")); 2204172567Sthompsa sc->flags &= ~(IPW_FLAG_SCANNING | IPW_FLAG_HACK); 2205172567Sthompsa } 2206172567Sthompsa return (error); 2207172567Sthompsa} 2208172567Sthompsa 2209172567Sthompsastatic int 2210172567Sthompsaipw_setchannel(struct ipw_softc *sc, struct ieee80211_channel *chan) 2211172567Sthompsa{ 2212178354Ssam struct ifnet *ifp = sc->sc_ifp; 2213178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2214172567Sthompsa uint32_t data; 2215172567Sthompsa int error; 2216172567Sthompsa 2217172567Sthompsa data = htole32(ieee80211_chan2ieee(ic, chan)); 2218172567Sthompsa DPRINTF(("Setting channel to %u\n", le32toh(data))); 2219172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_CHANNEL, &data, sizeof data); 2220172567Sthompsa if (error == 0) 2221172567Sthompsa ipw_setcurchan(sc, chan); 2222172567Sthompsa return error; 2223172567Sthompsa} 2224172567Sthompsa 2225178354Ssamstatic void 2226191746Sthompsaipw_assoc(struct ieee80211com *ic, struct ieee80211vap *vap) 2227145247Sdamien{ 2228178354Ssam struct ifnet *ifp = vap->iv_ic->ic_ifp; 2229178354Ssam struct ipw_softc *sc = ifp->if_softc; 2230178354Ssam struct ieee80211_node *ni = vap->iv_bss; 2231145247Sdamien struct ipw_security security; 2232145247Sdamien uint32_t data; 2233172567Sthompsa int error; 2234145247Sdamien 2235178354Ssam IPW_LOCK(sc); 2236172567Sthompsa error = ipw_disable(sc); 2237172567Sthompsa if (error != 0) 2238178354Ssam goto done; 2239172567Sthompsa 2240152637Sdamien memset(&security, 0, sizeof security); 2241178354Ssam security.authmode = (ni->ni_authmode == IEEE80211_AUTH_SHARED) ? 2242145247Sdamien IPW_AUTH_SHARED : IPW_AUTH_OPEN; 2243145247Sdamien security.ciphers = htole32(IPW_CIPHER_NONE); 2244145247Sdamien DPRINTF(("Setting authmode to %u\n", security.authmode)); 2245172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_SECURITY_INFO, &security, 2246145247Sdamien sizeof security); 2247145247Sdamien if (error != 0) 2248178354Ssam goto done; 2249145247Sdamien 2250178354Ssam data = htole32(vap->iv_rtsthreshold); 2251178354Ssam DPRINTF(("Setting RTS threshold to %u\n", le32toh(data))); 2252178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_RTS_THRESHOLD, &data, sizeof data); 2253145247Sdamien if (error != 0) 2254178354Ssam goto done; 2255145247Sdamien 2256178354Ssam data = htole32(vap->iv_fragthreshold); 2257178354Ssam DPRINTF(("Setting frag threshold to %u\n", le32toh(data))); 2258178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_FRAG_THRESHOLD, &data, sizeof data); 2259145247Sdamien if (error != 0) 2260178354Ssam goto done; 2261145247Sdamien 2262178354Ssam if (vap->iv_flags & IEEE80211_F_PRIVACY) { 2263172567Sthompsa error = ipw_setwepkeys(sc); 2264172567Sthompsa if (error != 0) 2265178354Ssam goto done; 2266172567Sthompsa 2267178354Ssam if (vap->iv_def_txkey != IEEE80211_KEYIX_NONE) { 2268178354Ssam data = htole32(vap->iv_def_txkey); 2269172567Sthompsa DPRINTF(("Setting wep tx key index to %u\n", 2270172567Sthompsa le32toh(data))); 2271172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY_INDEX, &data, 2272172567Sthompsa sizeof data); 2273172567Sthompsa if (error != 0) 2274178354Ssam goto done; 2275172567Sthompsa } 2276172567Sthompsa } 2277172567Sthompsa 2278178354Ssam data = htole32((vap->iv_flags & IEEE80211_F_PRIVACY) ? IPW_WEPON : 0); 2279172567Sthompsa DPRINTF(("Setting wep flags to 0x%x\n", le32toh(data))); 2280172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_FLAGS, &data, sizeof data); 2281172567Sthompsa if (error != 0) 2282178354Ssam goto done; 2283172567Sthompsa 2284172567Sthompsa error = ipw_setssid(sc, ni->ni_essid, ni->ni_esslen); 2285172567Sthompsa if (error != 0) 2286178354Ssam goto done; 2287172567Sthompsa 2288172567Sthompsa error = ipw_setbssid(sc, ni->ni_bssid); 2289172567Sthompsa if (error != 0) 2290178354Ssam goto done; 2291172567Sthompsa 2292206766Sbschmidt if (vap->iv_appie_wpa != NULL) { 2293206766Sbschmidt struct ieee80211_appie *ie = vap->iv_appie_wpa; 2294178354Ssam error = ipw_setwpaie(sc, ie->ie_data, ie->ie_len); 2295172567Sthompsa if (error != 0) 2296178354Ssam goto done; 2297172567Sthompsa } 2298172567Sthompsa if (ic->ic_opmode == IEEE80211_M_IBSS) { 2299172567Sthompsa error = ipw_setchannel(sc, ni->ni_chan); 2300172567Sthompsa if (error != 0) 2301178354Ssam goto done; 2302172567Sthompsa } 2303172567Sthompsa 2304172567Sthompsa /* lock scan to ap's channel and enable associate */ 2305172567Sthompsa error = ipw_setscanopts(sc, 2306178354Ssam 1<<(ieee80211_chan2ieee(ic, ni->ni_chan)-1), 0); 2307178354Ssam if (error != 0) 2308178354Ssam goto done; 2309172567Sthompsa 2310178354Ssam error = ipw_enable(sc); /* finally, enable adapter */ 2311178354Ssam if (error == 0) 2312178354Ssam sc->flags |= IPW_FLAG_ASSOCIATING; 2313178354Ssamdone: 2314178354Ssam IPW_UNLOCK(sc); 2315172567Sthompsa} 2316172567Sthompsa 2317172567Sthompsastatic void 2318191746Sthompsaipw_disassoc(struct ieee80211com *ic, struct ieee80211vap *vap) 2319172567Sthompsa{ 2320178354Ssam struct ifnet *ifp = vap->iv_ic->ic_ifp; 2321178354Ssam struct ieee80211_node *ni = vap->iv_bss; 2322178354Ssam struct ipw_softc *sc = ifp->if_softc; 2323172567Sthompsa 2324172567Sthompsa IPW_LOCK(sc); 2325172567Sthompsa DPRINTF(("Disassociate from %6D\n", ni->ni_bssid, ":")); 2326172567Sthompsa /* 2327172567Sthompsa * NB: don't try to do this if ipw_stop_master has 2328172567Sthompsa * shutdown the firmware and disabled interrupts. 2329172567Sthompsa */ 2330178354Ssam if (sc->flags & IPW_FLAG_FW_INITED) { 2331178354Ssam sc->flags &= ~IPW_FLAG_ASSOCIATED; 2332178354Ssam /* 2333178354Ssam * NB: firmware currently ignores bssid parameter, but 2334178354Ssam * supply it in case this changes (follow linux driver). 2335178354Ssam */ 2336178354Ssam (void) ipw_cmd(sc, IPW_CMD_DISASSOCIATE, 2337178354Ssam ni->ni_bssid, IEEE80211_ADDR_LEN); 2338178354Ssam } 2339178354Ssam IPW_UNLOCK(sc); 2340172567Sthompsa} 2341172567Sthompsa 2342172567Sthompsa/* 2343156599Sdamien * Handler for sc_init_task. This is a simple wrapper around ipw_init(). 2344156599Sdamien * It is called on firmware panics or on watchdog timeouts. 2345156599Sdamien */ 2346145247Sdamienstatic void 2347156599Sdamienipw_init_task(void *context, int pending) 2348156599Sdamien{ 2349156599Sdamien ipw_init(context); 2350156599Sdamien} 2351156599Sdamien 2352156599Sdamienstatic void 2353145247Sdamienipw_init(void *priv) 2354145247Sdamien{ 2355145247Sdamien struct ipw_softc *sc = priv; 2356178354Ssam struct ifnet *ifp = sc->sc_ifp; 2357178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2358172567Sthompsa 2359172567Sthompsa IPW_LOCK(sc); 2360178354Ssam ipw_init_locked(sc); 2361172567Sthompsa IPW_UNLOCK(sc); 2362178354Ssam 2363178931Sthompsa if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2364178931Sthompsa ieee80211_start_all(ic); /* start all vap's */ 2365172567Sthompsa} 2366172567Sthompsa 2367172567Sthompsastatic void 2368178354Ssamipw_init_locked(struct ipw_softc *sc) 2369172567Sthompsa{ 2370178354Ssam struct ifnet *ifp = sc->sc_ifp; 2371178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2372178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2373166756Sluigi const struct firmware *fp; 2374156599Sdamien const struct ipw_firmware_hdr *hdr; 2375178354Ssam const char *fw; 2376145247Sdamien 2377172567Sthompsa IPW_LOCK_ASSERT(sc); 2378156599Sdamien 2379172567Sthompsa DPRINTF(("%s: state %s flags 0x%x\n", __func__, 2380178354Ssam ieee80211_state_name[vap->iv_state], sc->flags)); 2381172567Sthompsa 2382156599Sdamien /* 2383156599Sdamien * Avoid re-entrant calls. We need to release the mutex in ipw_init() 2384156599Sdamien * when loading the firmware and we don't want to be called during this 2385156599Sdamien * operation. 2386156599Sdamien */ 2387172567Sthompsa if (sc->flags & IPW_FLAG_INIT_LOCKED) 2388145247Sdamien return; 2389156599Sdamien sc->flags |= IPW_FLAG_INIT_LOCKED; 2390145247Sdamien 2391172567Sthompsa ipw_stop_locked(sc); 2392145247Sdamien 2393145247Sdamien if (ipw_reset(sc) != 0) { 2394145247Sdamien device_printf(sc->sc_dev, "could not reset adapter\n"); 2395178354Ssam goto fail; 2396145247Sdamien } 2397145247Sdamien 2398159487Siedowse if (sc->sc_firmware == NULL) { 2399178354Ssam device_printf(sc->sc_dev, "no firmware\n"); 2400178354Ssam goto fail; 2401156599Sdamien } 2402178354Ssam /* NB: consistency already checked on load */ 2403159487Siedowse fp = sc->sc_firmware; 2404156599Sdamien hdr = (const struct ipw_firmware_hdr *)fp->data; 2405156599Sdamien 2406178354Ssam DPRINTF(("Loading firmware image '%s'\n", fp->name)); 2407156599Sdamien fw = (const char *)fp->data + sizeof *hdr + le32toh(hdr->mainsz); 2408156599Sdamien if (ipw_load_ucode(sc, fw, le32toh(hdr->ucodesz)) != 0) { 2409145247Sdamien device_printf(sc->sc_dev, "could not load microcode\n"); 2410178354Ssam goto fail; 2411145247Sdamien } 2412145247Sdamien 2413145247Sdamien ipw_stop_master(sc); 2414145247Sdamien 2415145247Sdamien /* 2416145247Sdamien * Setup tx, rx and status rings. 2417145247Sdamien */ 2418145247Sdamien sc->txold = IPW_NTBD - 1; 2419145247Sdamien sc->txcur = 0; 2420145247Sdamien sc->txfree = IPW_NTBD - 2; 2421145247Sdamien sc->rxcur = IPW_NRBD - 1; 2422145247Sdamien 2423145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_BASE, sc->tbd_phys); 2424145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_SIZE, IPW_NTBD); 2425145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_READ, 0); 2426145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 2427145247Sdamien 2428145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_BASE, sc->rbd_phys); 2429145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_SIZE, IPW_NRBD); 2430145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_READ, 0); 2431145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_WRITE, sc->rxcur); 2432145247Sdamien 2433145247Sdamien CSR_WRITE_4(sc, IPW_CSR_STATUS_BASE, sc->status_phys); 2434145247Sdamien 2435156599Sdamien fw = (const char *)fp->data + sizeof *hdr; 2436156599Sdamien if (ipw_load_firmware(sc, fw, le32toh(hdr->mainsz)) != 0) { 2437145247Sdamien device_printf(sc->sc_dev, "could not load firmware\n"); 2438178354Ssam goto fail; 2439145247Sdamien } 2440145247Sdamien 2441145247Sdamien sc->flags |= IPW_FLAG_FW_INITED; 2442145247Sdamien 2443145247Sdamien /* retrieve information tables base addresses */ 2444145247Sdamien sc->table1_base = CSR_READ_4(sc, IPW_CSR_TABLE1_BASE); 2445145247Sdamien sc->table2_base = CSR_READ_4(sc, IPW_CSR_TABLE2_BASE); 2446145247Sdamien 2447145247Sdamien ipw_write_table1(sc, IPW_INFO_LOCK, 0); 2448145247Sdamien 2449145247Sdamien if (ipw_config(sc) != 0) { 2450145247Sdamien device_printf(sc->sc_dev, "device configuration failed\n"); 2451178354Ssam goto fail; 2452145247Sdamien } 2453145247Sdamien 2454172567Sthompsa callout_reset(&sc->sc_wdtimer, hz, ipw_watchdog, sc); 2455148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2456148887Srwatson ifp->if_drv_flags |= IFF_DRV_RUNNING; 2457145247Sdamien 2458156599Sdamien sc->flags &=~ IPW_FLAG_INIT_LOCKED; 2459145247Sdamien return; 2460145247Sdamien 2461178354Ssamfail: 2462172567Sthompsa ipw_stop_locked(sc); 2463156599Sdamien sc->flags &=~ IPW_FLAG_INIT_LOCKED; 2464145247Sdamien} 2465145247Sdamien 2466178354Ssamstatic int 2467178354Ssamipw_config(struct ipw_softc *sc) 2468178354Ssam{ 2469178354Ssam struct ifnet *ifp = sc->sc_ifp; 2470178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2471178354Ssam struct ipw_configuration config; 2472178354Ssam uint32_t data; 2473178354Ssam int error; 2474178354Ssam 2475178354Ssam error = ipw_disable(sc); 2476178354Ssam if (error != 0) 2477178354Ssam return error; 2478178354Ssam 2479178354Ssam switch (ic->ic_opmode) { 2480178354Ssam case IEEE80211_M_STA: 2481178354Ssam case IEEE80211_M_HOSTAP: 2482178354Ssam case IEEE80211_M_WDS: /* XXX */ 2483178354Ssam data = htole32(IPW_MODE_BSS); 2484178354Ssam break; 2485178354Ssam case IEEE80211_M_IBSS: 2486178354Ssam case IEEE80211_M_AHDEMO: 2487178354Ssam data = htole32(IPW_MODE_IBSS); 2488178354Ssam break; 2489178354Ssam case IEEE80211_M_MONITOR: 2490178354Ssam data = htole32(IPW_MODE_MONITOR); 2491178354Ssam break; 2492195562Srpaulo default: 2493195562Srpaulo device_printf(sc->sc_dev, "unknown opmode %d\n", ic->ic_opmode); 2494195562Srpaulo return EINVAL; 2495178354Ssam } 2496178354Ssam DPRINTF(("Setting mode to %u\n", le32toh(data))); 2497178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_MODE, &data, sizeof data); 2498178354Ssam if (error != 0) 2499178354Ssam return error; 2500178354Ssam 2501178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS || 2502178354Ssam ic->ic_opmode == IEEE80211_M_MONITOR) { 2503178354Ssam error = ipw_setchannel(sc, ic->ic_curchan); 2504178354Ssam if (error != 0) 2505178354Ssam return error; 2506178354Ssam } 2507178354Ssam 2508178354Ssam if (ic->ic_opmode == IEEE80211_M_MONITOR) 2509178354Ssam return ipw_enable(sc); 2510178354Ssam 2511178354Ssam config.flags = htole32(IPW_CFG_BSS_MASK | IPW_CFG_IBSS_MASK | 2512178354Ssam IPW_CFG_PREAMBLE_AUTO | IPW_CFG_802_1x_ENABLE); 2513178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS) 2514178354Ssam config.flags |= htole32(IPW_CFG_IBSS_AUTO_START); 2515178354Ssam if (ifp->if_flags & IFF_PROMISC) 2516178354Ssam config.flags |= htole32(IPW_CFG_PROMISCUOUS); 2517178354Ssam config.bss_chan = htole32(0x3fff); /* channels 1-14 */ 2518178354Ssam config.ibss_chan = htole32(0x7ff); /* channels 1-11 */ 2519178354Ssam DPRINTF(("Setting configuration to 0x%x\n", le32toh(config.flags))); 2520178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_CONFIGURATION, &config, sizeof config); 2521178354Ssam if (error != 0) 2522178354Ssam return error; 2523178354Ssam 2524207926Sbschmidt data = htole32(0xf); /* 1, 2, 5.5, 11 */ 2525178354Ssam DPRINTF(("Setting basic tx rates to 0x%x\n", le32toh(data))); 2526178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_BASIC_TX_RATES, &data, sizeof data); 2527178354Ssam if (error != 0) 2528178354Ssam return error; 2529178354Ssam 2530207926Sbschmidt /* Use the same rate set */ 2531178354Ssam DPRINTF(("Setting msdu tx rates to 0x%x\n", le32toh(data))); 2532178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_MSDU_TX_RATES, &data, sizeof data); 2533178354Ssam if (error != 0) 2534178354Ssam return error; 2535178354Ssam 2536207926Sbschmidt /* Use the same rate set */ 2537178354Ssam DPRINTF(("Setting tx rates to 0x%x\n", le32toh(data))); 2538178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_TX_RATES, &data, sizeof data); 2539178354Ssam if (error != 0) 2540178354Ssam return error; 2541178354Ssam 2542178354Ssam data = htole32(IPW_POWER_MODE_CAM); 2543178354Ssam DPRINTF(("Setting power mode to %u\n", le32toh(data))); 2544178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_POWER_MODE, &data, sizeof data); 2545178354Ssam if (error != 0) 2546178354Ssam return error; 2547178354Ssam 2548178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS) { 2549178354Ssam data = htole32(32); /* default value */ 2550178354Ssam DPRINTF(("Setting tx power index to %u\n", le32toh(data))); 2551178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_TX_POWER_INDEX, &data, 2552178354Ssam sizeof data); 2553178354Ssam if (error != 0) 2554178354Ssam return error; 2555178354Ssam } 2556178354Ssam 2557178354Ssam return 0; 2558178354Ssam} 2559178354Ssam 2560145247Sdamienstatic void 2561145247Sdamienipw_stop(void *priv) 2562145247Sdamien{ 2563145247Sdamien struct ipw_softc *sc = priv; 2564172567Sthompsa 2565172567Sthompsa IPW_LOCK(sc); 2566172567Sthompsa ipw_stop_locked(sc); 2567172567Sthompsa IPW_UNLOCK(sc); 2568172567Sthompsa} 2569172567Sthompsa 2570172567Sthompsastatic void 2571172567Sthompsaipw_stop_locked(struct ipw_softc *sc) 2572172567Sthompsa{ 2573178354Ssam struct ifnet *ifp = sc->sc_ifp; 2574145247Sdamien int i; 2575145247Sdamien 2576172567Sthompsa IPW_LOCK_ASSERT(sc); 2577156599Sdamien 2578172567Sthompsa callout_stop(&sc->sc_wdtimer); 2579145247Sdamien ipw_stop_master(sc); 2580145247Sdamien 2581145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_SW_RESET); 2582145247Sdamien 2583145247Sdamien /* 2584145247Sdamien * Release tx buffers. 2585145247Sdamien */ 2586145247Sdamien for (i = 0; i < IPW_NTBD; i++) 2587145247Sdamien ipw_release_sbd(sc, &sc->stbd_list[i]); 2588145247Sdamien 2589145247Sdamien sc->sc_tx_timer = 0; 2590148887Srwatson ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 2591145247Sdamien} 2592145247Sdamien 2593145247Sdamienstatic int 2594145247Sdamienipw_sysctl_stats(SYSCTL_HANDLER_ARGS) 2595145247Sdamien{ 2596145247Sdamien struct ipw_softc *sc = arg1; 2597145247Sdamien uint32_t i, size, buf[256]; 2598145247Sdamien 2599174317Sphilip memset(buf, 0, sizeof buf); 2600174317Sphilip 2601174317Sphilip if (!(sc->flags & IPW_FLAG_FW_INITED)) 2602145247Sdamien return SYSCTL_OUT(req, buf, sizeof buf); 2603145247Sdamien 2604145247Sdamien CSR_WRITE_4(sc, IPW_CSR_AUTOINC_ADDR, sc->table1_base); 2605145247Sdamien 2606145247Sdamien size = min(CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA), 256); 2607145247Sdamien for (i = 1; i < size; i++) 2608145247Sdamien buf[i] = MEM_READ_4(sc, CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA)); 2609145247Sdamien 2610174317Sphilip return SYSCTL_OUT(req, buf, size); 2611145247Sdamien} 2612145247Sdamien 2613145247Sdamienstatic int 2614145247Sdamienipw_sysctl_radio(SYSCTL_HANDLER_ARGS) 2615145247Sdamien{ 2616145247Sdamien struct ipw_softc *sc = arg1; 2617145247Sdamien int val; 2618145247Sdamien 2619145247Sdamien val = !((sc->flags & IPW_FLAG_HAS_RADIO_SWITCH) && 2620145247Sdamien (CSR_READ_4(sc, IPW_CSR_IO) & IPW_IO_RADIO_DISABLED)); 2621145247Sdamien 2622145247Sdamien return SYSCTL_OUT(req, &val, sizeof val); 2623145247Sdamien} 2624145247Sdamien 2625145247Sdamienstatic uint32_t 2626145247Sdamienipw_read_table1(struct ipw_softc *sc, uint32_t off) 2627145247Sdamien{ 2628145247Sdamien return MEM_READ_4(sc, MEM_READ_4(sc, sc->table1_base + off)); 2629145247Sdamien} 2630145247Sdamien 2631145247Sdamienstatic void 2632145247Sdamienipw_write_table1(struct ipw_softc *sc, uint32_t off, uint32_t info) 2633145247Sdamien{ 2634145247Sdamien MEM_WRITE_4(sc, MEM_READ_4(sc, sc->table1_base + off), info); 2635145247Sdamien} 2636145247Sdamien 2637172567Sthompsa#if 0 2638145247Sdamienstatic int 2639145247Sdamienipw_read_table2(struct ipw_softc *sc, uint32_t off, void *buf, uint32_t *len) 2640145247Sdamien{ 2641145247Sdamien uint32_t addr, info; 2642145247Sdamien uint16_t count, size; 2643145247Sdamien uint32_t total; 2644145247Sdamien 2645145247Sdamien /* addr[4] + count[2] + size[2] */ 2646145247Sdamien addr = MEM_READ_4(sc, sc->table2_base + off); 2647145247Sdamien info = MEM_READ_4(sc, sc->table2_base + off + 4); 2648145247Sdamien 2649145247Sdamien count = info >> 16; 2650145247Sdamien size = info & 0xffff; 2651145247Sdamien total = count * size; 2652145247Sdamien 2653145247Sdamien if (total > *len) { 2654145247Sdamien *len = total; 2655145247Sdamien return EINVAL; 2656145247Sdamien } 2657145247Sdamien 2658145247Sdamien *len = total; 2659145247Sdamien ipw_read_mem_1(sc, addr, buf, total); 2660145247Sdamien 2661145247Sdamien return 0; 2662145247Sdamien} 2663145247Sdamien 2664145247Sdamienstatic void 2665145247Sdamienipw_read_mem_1(struct ipw_softc *sc, bus_size_t offset, uint8_t *datap, 2666145247Sdamien bus_size_t count) 2667145247Sdamien{ 2668145247Sdamien for (; count > 0; offset++, datap++, count--) { 2669145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INDIRECT_ADDR, offset & ~3); 2670145247Sdamien *datap = CSR_READ_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3)); 2671145247Sdamien } 2672145247Sdamien} 2673172567Sthompsa#endif 2674145247Sdamien 2675145247Sdamienstatic void 2676156599Sdamienipw_write_mem_1(struct ipw_softc *sc, bus_size_t offset, const uint8_t *datap, 2677145247Sdamien bus_size_t count) 2678145247Sdamien{ 2679145247Sdamien for (; count > 0; offset++, datap++, count--) { 2680145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INDIRECT_ADDR, offset & ~3); 2681145247Sdamien CSR_WRITE_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3), *datap); 2682145247Sdamien } 2683145247Sdamien} 2684172567Sthompsa 2685172567Sthompsastatic void 2686172567Sthompsaipw_scan_start(struct ieee80211com *ic) 2687172567Sthompsa{ 2688172567Sthompsa struct ifnet *ifp = ic->ic_ifp; 2689172567Sthompsa struct ipw_softc *sc = ifp->if_softc; 2690172567Sthompsa 2691172567Sthompsa IPW_LOCK(sc); 2692191746Sthompsa ipw_scan(sc); 2693172567Sthompsa IPW_UNLOCK(sc); 2694172567Sthompsa} 2695172567Sthompsa 2696172567Sthompsastatic void 2697172567Sthompsaipw_set_channel(struct ieee80211com *ic) 2698172567Sthompsa{ 2699172567Sthompsa struct ifnet *ifp = ic->ic_ifp; 2700172567Sthompsa struct ipw_softc *sc = ifp->if_softc; 2701172567Sthompsa 2702172567Sthompsa IPW_LOCK(sc); 2703172567Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 2704172567Sthompsa ipw_disable(sc); 2705172567Sthompsa ipw_setchannel(sc, ic->ic_curchan); 2706172567Sthompsa ipw_enable(sc); 2707172567Sthompsa } 2708172567Sthompsa IPW_UNLOCK(sc); 2709172567Sthompsa} 2710172567Sthompsa 2711172567Sthompsastatic void 2712178354Ssamipw_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 2713172567Sthompsa{ 2714172567Sthompsa /* NB: all channels are scanned at once */ 2715172567Sthompsa} 2716172567Sthompsa 2717172567Sthompsastatic void 2718178354Ssamipw_scan_mindwell(struct ieee80211_scan_state *ss) 2719172567Sthompsa{ 2720172567Sthompsa /* NB: don't try to abort scan; wait for firmware to finish */ 2721172567Sthompsa} 2722172567Sthompsa 2723172567Sthompsastatic void 2724172567Sthompsaipw_scan_end(struct ieee80211com *ic) 2725172567Sthompsa{ 2726172567Sthompsa struct ifnet *ifp = ic->ic_ifp; 2727172567Sthompsa struct ipw_softc *sc = ifp->if_softc; 2728172567Sthompsa 2729172567Sthompsa IPW_LOCK(sc); 2730172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 2731172567Sthompsa IPW_UNLOCK(sc); 2732172567Sthompsa} 2733