if_ipw.c revision 192468
1145247Sdamien/* $FreeBSD: head/sys/dev/ipw/if_ipw.c 192468 2009-05-20 20:00:40Z sam $ */ 2145247Sdamien 3145247Sdamien/*- 4156599Sdamien * Copyright (c) 2004-2006 5145247Sdamien * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved. 6172567Sthompsa * Copyright (c) 2006 Sam Leffler, Errno Consulting 7172567Sthompsa * Copyright (c) 2007 Andrew Thompson <thompsa@FreeBSD.org> 8145247Sdamien * 9145247Sdamien * Redistribution and use in source and binary forms, with or without 10145247Sdamien * modification, are permitted provided that the following conditions 11145247Sdamien * are met: 12145247Sdamien * 1. Redistributions of source code must retain the above copyright 13145247Sdamien * notice unmodified, this list of conditions, and the following 14145247Sdamien * disclaimer. 15145247Sdamien * 2. Redistributions in binary form must reproduce the above copyright 16145247Sdamien * notice, this list of conditions and the following disclaimer in the 17145247Sdamien * documentation and/or other materials provided with the distribution. 18145247Sdamien * 19145247Sdamien * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20145247Sdamien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21145247Sdamien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22145247Sdamien * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23145247Sdamien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24145247Sdamien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25145247Sdamien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26145247Sdamien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27145247Sdamien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28145247Sdamien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29145247Sdamien * SUCH DAMAGE. 30145247Sdamien */ 31145247Sdamien 32145247Sdamien#include <sys/cdefs.h> 33145247Sdamien__FBSDID("$FreeBSD: head/sys/dev/ipw/if_ipw.c 192468 2009-05-20 20:00:40Z sam $"); 34145247Sdamien 35145247Sdamien/*- 36145247Sdamien * Intel(R) PRO/Wireless 2100 MiniPCI driver 37145247Sdamien * http://www.intel.com/network/connectivity/products/wireless/prowireless_mobile.htm 38145247Sdamien */ 39145247Sdamien 40145247Sdamien#include <sys/param.h> 41145247Sdamien#include <sys/sysctl.h> 42145247Sdamien#include <sys/sockio.h> 43145247Sdamien#include <sys/mbuf.h> 44145247Sdamien#include <sys/kernel.h> 45145247Sdamien#include <sys/socket.h> 46145247Sdamien#include <sys/systm.h> 47145247Sdamien#include <sys/malloc.h> 48156599Sdamien#include <sys/queue.h> 49156599Sdamien#include <sys/taskqueue.h> 50145247Sdamien#include <sys/module.h> 51145247Sdamien#include <sys/bus.h> 52145247Sdamien#include <sys/endian.h> 53156599Sdamien#include <sys/linker.h> 54156599Sdamien#include <sys/firmware.h> 55145247Sdamien 56145247Sdamien#include <machine/bus.h> 57145247Sdamien#include <machine/resource.h> 58145247Sdamien#include <sys/rman.h> 59145247Sdamien 60145247Sdamien#include <dev/pci/pcireg.h> 61145247Sdamien#include <dev/pci/pcivar.h> 62145247Sdamien 63145247Sdamien#include <net/bpf.h> 64145247Sdamien#include <net/if.h> 65145247Sdamien#include <net/if_arp.h> 66145247Sdamien#include <net/ethernet.h> 67145247Sdamien#include <net/if_dl.h> 68145247Sdamien#include <net/if_media.h> 69145247Sdamien#include <net/if_types.h> 70145247Sdamien 71156599Sdamien#include <net80211/ieee80211_var.h> 72156599Sdamien#include <net80211/ieee80211_radiotap.h> 73156599Sdamien 74145247Sdamien#include <netinet/in.h> 75145247Sdamien#include <netinet/in_systm.h> 76145247Sdamien#include <netinet/in_var.h> 77145247Sdamien#include <netinet/ip.h> 78145247Sdamien#include <netinet/if_ether.h> 79145247Sdamien 80145247Sdamien#include <dev/ipw/if_ipwreg.h> 81145247Sdamien#include <dev/ipw/if_ipwvar.h> 82145247Sdamien 83172567Sthompsa#define IPW_DEBUG 84145247Sdamien#ifdef IPW_DEBUG 85145247Sdamien#define DPRINTF(x) do { if (ipw_debug > 0) printf x; } while (0) 86145247Sdamien#define DPRINTFN(n, x) do { if (ipw_debug >= (n)) printf x; } while (0) 87145247Sdamienint ipw_debug = 0; 88145247SdamienSYSCTL_INT(_debug, OID_AUTO, ipw, CTLFLAG_RW, &ipw_debug, 0, "ipw debug level"); 89145247Sdamien#else 90145247Sdamien#define DPRINTF(x) 91145247Sdamien#define DPRINTFN(n, x) 92145247Sdamien#endif 93145247Sdamien 94145247SdamienMODULE_DEPEND(ipw, pci, 1, 1, 1); 95145247SdamienMODULE_DEPEND(ipw, wlan, 1, 1, 1); 96156599SdamienMODULE_DEPEND(ipw, firmware, 1, 1, 1); 97145247Sdamien 98145247Sdamienstruct ipw_ident { 99145247Sdamien uint16_t vendor; 100145247Sdamien uint16_t device; 101145247Sdamien const char *name; 102145247Sdamien}; 103145247Sdamien 104145247Sdamienstatic const struct ipw_ident ipw_ident_table[] = { 105145247Sdamien { 0x8086, 0x1043, "Intel(R) PRO/Wireless 2100 MiniPCI" }, 106145247Sdamien 107145247Sdamien { 0, 0, NULL } 108145247Sdamien}; 109145247Sdamien 110178354Ssamstatic struct ieee80211vap *ipw_vap_create(struct ieee80211com *, 111178354Ssam const char name[IFNAMSIZ], int unit, int opmode, int flags, 112178354Ssam const uint8_t bssid[IEEE80211_ADDR_LEN], 113178354Ssam const uint8_t mac[IEEE80211_ADDR_LEN]); 114178354Ssamstatic void ipw_vap_delete(struct ieee80211vap *); 115145247Sdamienstatic int ipw_dma_alloc(struct ipw_softc *); 116145247Sdamienstatic void ipw_release(struct ipw_softc *); 117145247Sdamienstatic void ipw_media_status(struct ifnet *, struct ifmediareq *); 118178354Ssamstatic int ipw_newstate(struct ieee80211vap *, enum ieee80211_state, int); 119145247Sdamienstatic uint16_t ipw_read_prom_word(struct ipw_softc *, uint8_t); 120172567Sthompsastatic void ipw_rx_cmd_intr(struct ipw_softc *, struct ipw_soft_buf *); 121172567Sthompsastatic void ipw_rx_newstate_intr(struct ipw_softc *, struct ipw_soft_buf *); 122172567Sthompsastatic void ipw_rx_data_intr(struct ipw_softc *, struct ipw_status *, 123145247Sdamien struct ipw_soft_bd *, struct ipw_soft_buf *); 124145247Sdamienstatic void ipw_rx_intr(struct ipw_softc *); 125145247Sdamienstatic void ipw_release_sbd(struct ipw_softc *, struct ipw_soft_bd *); 126145247Sdamienstatic void ipw_tx_intr(struct ipw_softc *); 127145247Sdamienstatic void ipw_intr(void *); 128145247Sdamienstatic void ipw_dma_map_addr(void *, bus_dma_segment_t *, int, int); 129172567Sthompsastatic const char * ipw_cmdname(int); 130145247Sdamienstatic int ipw_cmd(struct ipw_softc *, uint32_t, void *, uint32_t); 131145247Sdamienstatic int ipw_tx_start(struct ifnet *, struct mbuf *, 132145247Sdamien struct ieee80211_node *); 133178354Ssamstatic int ipw_raw_xmit(struct ieee80211_node *, struct mbuf *, 134178354Ssam const struct ieee80211_bpf_params *); 135145247Sdamienstatic void ipw_start(struct ifnet *); 136172567Sthompsastatic void ipw_start_locked(struct ifnet *); 137172567Sthompsastatic void ipw_watchdog(void *); 138145247Sdamienstatic int ipw_ioctl(struct ifnet *, u_long, caddr_t); 139145247Sdamienstatic void ipw_stop_master(struct ipw_softc *); 140172567Sthompsastatic int ipw_enable(struct ipw_softc *); 141172567Sthompsastatic int ipw_disable(struct ipw_softc *); 142145247Sdamienstatic int ipw_reset(struct ipw_softc *); 143156599Sdamienstatic int ipw_load_ucode(struct ipw_softc *, const char *, int); 144156599Sdamienstatic int ipw_load_firmware(struct ipw_softc *, const char *, int); 145145247Sdamienstatic int ipw_config(struct ipw_softc *); 146191746Sthompsastatic void ipw_assoc(struct ieee80211com *, struct ieee80211vap *); 147191746Sthompsastatic void ipw_disassoc(struct ieee80211com *, struct ieee80211vap *); 148156599Sdamienstatic void ipw_init_task(void *, int); 149145247Sdamienstatic void ipw_init(void *); 150178354Ssamstatic void ipw_init_locked(struct ipw_softc *); 151145247Sdamienstatic void ipw_stop(void *); 152172567Sthompsastatic void ipw_stop_locked(struct ipw_softc *); 153145247Sdamienstatic int ipw_sysctl_stats(SYSCTL_HANDLER_ARGS); 154145247Sdamienstatic int ipw_sysctl_radio(SYSCTL_HANDLER_ARGS); 155145247Sdamienstatic uint32_t ipw_read_table1(struct ipw_softc *, uint32_t); 156145247Sdamienstatic void ipw_write_table1(struct ipw_softc *, uint32_t, uint32_t); 157172567Sthompsa#if 0 158145247Sdamienstatic int ipw_read_table2(struct ipw_softc *, uint32_t, void *, 159145247Sdamien uint32_t *); 160145247Sdamienstatic void ipw_read_mem_1(struct ipw_softc *, bus_size_t, uint8_t *, 161145247Sdamien bus_size_t); 162172567Sthompsa#endif 163156599Sdamienstatic void ipw_write_mem_1(struct ipw_softc *, bus_size_t, 164156599Sdamien const uint8_t *, bus_size_t); 165172567Sthompsastatic int ipw_scan(struct ipw_softc *); 166172567Sthompsastatic void ipw_scan_start(struct ieee80211com *); 167172567Sthompsastatic void ipw_scan_end(struct ieee80211com *); 168172567Sthompsastatic void ipw_set_channel(struct ieee80211com *); 169178354Ssamstatic void ipw_scan_curchan(struct ieee80211_scan_state *, 170178354Ssam unsigned long maxdwell); 171178354Ssamstatic void ipw_scan_mindwell(struct ieee80211_scan_state *); 172145247Sdamien 173145247Sdamienstatic int ipw_probe(device_t); 174145247Sdamienstatic int ipw_attach(device_t); 175145247Sdamienstatic int ipw_detach(device_t); 176145247Sdamienstatic int ipw_shutdown(device_t); 177145247Sdamienstatic int ipw_suspend(device_t); 178145247Sdamienstatic int ipw_resume(device_t); 179145247Sdamien 180145247Sdamienstatic device_method_t ipw_methods[] = { 181145247Sdamien /* Device interface */ 182145247Sdamien DEVMETHOD(device_probe, ipw_probe), 183145247Sdamien DEVMETHOD(device_attach, ipw_attach), 184145247Sdamien DEVMETHOD(device_detach, ipw_detach), 185145247Sdamien DEVMETHOD(device_shutdown, ipw_shutdown), 186145247Sdamien DEVMETHOD(device_suspend, ipw_suspend), 187145247Sdamien DEVMETHOD(device_resume, ipw_resume), 188145247Sdamien 189145247Sdamien { 0, 0 } 190145247Sdamien}; 191145247Sdamien 192145247Sdamienstatic driver_t ipw_driver = { 193145247Sdamien "ipw", 194145247Sdamien ipw_methods, 195145247Sdamien sizeof (struct ipw_softc) 196145247Sdamien}; 197145247Sdamien 198145247Sdamienstatic devclass_t ipw_devclass; 199145247Sdamien 200145247SdamienDRIVER_MODULE(ipw, pci, ipw_driver, ipw_devclass, 0, 0); 201145247Sdamien 202145247Sdamienstatic int 203145247Sdamienipw_probe(device_t dev) 204145247Sdamien{ 205145247Sdamien const struct ipw_ident *ident; 206145247Sdamien 207145247Sdamien for (ident = ipw_ident_table; ident->name != NULL; ident++) { 208145247Sdamien if (pci_get_vendor(dev) == ident->vendor && 209145247Sdamien pci_get_device(dev) == ident->device) { 210145247Sdamien device_set_desc(dev, ident->name); 211145247Sdamien return 0; 212145247Sdamien } 213145247Sdamien } 214145247Sdamien return ENXIO; 215145247Sdamien} 216145247Sdamien 217145247Sdamien/* Base Address Register */ 218145247Sdamien#define IPW_PCI_BAR0 0x10 219145247Sdamien 220145247Sdamienstatic int 221145247Sdamienipw_attach(device_t dev) 222145247Sdamien{ 223145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 224147256Sbrooks struct ifnet *ifp; 225178354Ssam struct ieee80211com *ic; 226170530Ssam struct ieee80211_channel *c; 227145247Sdamien uint16_t val; 228145247Sdamien int error, i; 229190526Ssam uint8_t macaddr[IEEE80211_ADDR_LEN]; 230145247Sdamien 231145247Sdamien sc->sc_dev = dev; 232145247Sdamien 233145247Sdamien mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 234145247Sdamien MTX_DEF | MTX_RECURSE); 235145247Sdamien 236156599Sdamien TASK_INIT(&sc->sc_init_task, 0, ipw_init_task, sc); 237172567Sthompsa callout_init_mtx(&sc->sc_wdtimer, &sc->sc_mtx, 0); 238156599Sdamien 239145247Sdamien if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) { 240145247Sdamien device_printf(dev, "chip is in D%d power mode " 241145247Sdamien "-- setting to D0\n", pci_get_powerstate(dev)); 242145247Sdamien pci_set_powerstate(dev, PCI_POWERSTATE_D0); 243145247Sdamien } 244145247Sdamien 245146498Sdamien pci_write_config(dev, 0x41, 0, 1); 246146498Sdamien 247145247Sdamien /* enable bus-mastering */ 248145247Sdamien pci_enable_busmaster(dev); 249145247Sdamien 250145247Sdamien sc->mem_rid = IPW_PCI_BAR0; 251145247Sdamien sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid, 252145247Sdamien RF_ACTIVE); 253145247Sdamien if (sc->mem == NULL) { 254145247Sdamien device_printf(dev, "could not allocate memory resource\n"); 255145247Sdamien goto fail; 256145247Sdamien } 257145247Sdamien 258145247Sdamien sc->sc_st = rman_get_bustag(sc->mem); 259145247Sdamien sc->sc_sh = rman_get_bushandle(sc->mem); 260145247Sdamien 261145247Sdamien sc->irq_rid = 0; 262145247Sdamien sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, 263145247Sdamien RF_ACTIVE | RF_SHAREABLE); 264145247Sdamien if (sc->irq == NULL) { 265145247Sdamien device_printf(dev, "could not allocate interrupt resource\n"); 266178354Ssam goto fail1; 267145247Sdamien } 268145247Sdamien 269145247Sdamien if (ipw_reset(sc) != 0) { 270145247Sdamien device_printf(dev, "could not reset adapter\n"); 271178354Ssam goto fail2; 272145247Sdamien } 273145247Sdamien 274145247Sdamien if (ipw_dma_alloc(sc) != 0) { 275145247Sdamien device_printf(dev, "could not allocate DMA resources\n"); 276178354Ssam goto fail2; 277145247Sdamien } 278147757Sdamien 279178354Ssam ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 280147256Sbrooks if (ifp == NULL) { 281147256Sbrooks device_printf(dev, "can not if_alloc()\n"); 282178354Ssam goto fail3; 283147256Sbrooks } 284178354Ssam ic = ifp->if_l2com; 285147757Sdamien 286145247Sdamien ifp->if_softc = sc; 287145247Sdamien if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 288145247Sdamien ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 289145247Sdamien ifp->if_init = ipw_init; 290145247Sdamien ifp->if_ioctl = ipw_ioctl; 291145247Sdamien ifp->if_start = ipw_start; 292145247Sdamien IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 293145247Sdamien ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN; 294145247Sdamien IFQ_SET_READY(&ifp->if_snd); 295145247Sdamien 296145247Sdamien ic->ic_ifp = ifp; 297178354Ssam ic->ic_opmode = IEEE80211_M_STA; 298145247Sdamien ic->ic_phytype = IEEE80211_T_DS; 299145247Sdamien 300145247Sdamien /* set device capabilities */ 301178957Ssam ic->ic_caps = 302178957Ssam IEEE80211_C_STA /* station mode supported */ 303178957Ssam | IEEE80211_C_IBSS /* IBSS mode supported */ 304172567Sthompsa | IEEE80211_C_MONITOR /* monitor mode supported */ 305172567Sthompsa | IEEE80211_C_PMGT /* power save supported */ 306172567Sthompsa | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 307172567Sthompsa | IEEE80211_C_WPA /* 802.11i supported */ 308172567Sthompsa ; 309145247Sdamien 310145247Sdamien /* read MAC address from EEPROM */ 311145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 0); 312190526Ssam macaddr[0] = val >> 8; 313190526Ssam macaddr[1] = val & 0xff; 314145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 1); 315190526Ssam macaddr[2] = val >> 8; 316190526Ssam macaddr[3] = val & 0xff; 317145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 2); 318190526Ssam macaddr[4] = val >> 8; 319190526Ssam macaddr[5] = val & 0xff; 320145247Sdamien 321170530Ssam /* set supported .11b channels (read from EEPROM) */ 322170530Ssam if ((val = ipw_read_prom_word(sc, IPW_EEPROM_CHANNEL_LIST)) == 0) 323170530Ssam val = 0x7ff; /* default to channels 1-11 */ 324170530Ssam val <<= 1; 325170530Ssam for (i = 1; i < 16; i++) { 326170530Ssam if (val & (1 << i)) { 327170530Ssam c = &ic->ic_channels[ic->ic_nchans++]; 328170530Ssam c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 329170530Ssam c->ic_flags = IEEE80211_CHAN_B; 330170530Ssam c->ic_ieee = i; 331170530Ssam } 332145247Sdamien } 333145247Sdamien 334145247Sdamien /* check support for radio transmitter switch in EEPROM */ 335145247Sdamien if (!(ipw_read_prom_word(sc, IPW_EEPROM_RADIO) & 8)) 336145247Sdamien sc->flags |= IPW_FLAG_HAS_RADIO_SWITCH; 337145247Sdamien 338190526Ssam ieee80211_ifattach(ic, macaddr); 339172567Sthompsa ic->ic_scan_start = ipw_scan_start; 340172567Sthompsa ic->ic_scan_end = ipw_scan_end; 341172567Sthompsa ic->ic_set_channel = ipw_set_channel; 342172567Sthompsa ic->ic_scan_curchan = ipw_scan_curchan; 343172567Sthompsa ic->ic_scan_mindwell = ipw_scan_mindwell; 344178354Ssam ic->ic_raw_xmit = ipw_raw_xmit; 345172567Sthompsa 346178354Ssam ic->ic_vap_create = ipw_vap_create; 347178354Ssam ic->ic_vap_delete = ipw_vap_delete; 348145247Sdamien 349192468Ssam ieee80211_radiotap_attach(ic, 350192468Ssam &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 351192468Ssam IPW_TX_RADIOTAP_PRESENT, 352192468Ssam &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 353192468Ssam IPW_RX_RADIOTAP_PRESENT); 354178354Ssam 355145247Sdamien /* 356145247Sdamien * Add a few sysctl knobs. 357145247Sdamien */ 358145247Sdamien SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 359145247Sdamien SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "radio", 360145247Sdamien CTLTYPE_INT | CTLFLAG_RD, sc, 0, ipw_sysctl_radio, "I", 361145247Sdamien "radio transmitter switch state (0=off, 1=on)"); 362145247Sdamien 363145247Sdamien SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 364145247Sdamien SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "stats", 365145247Sdamien CTLTYPE_OPAQUE | CTLFLAG_RD, sc, 0, ipw_sysctl_stats, "S", 366145247Sdamien "statistics"); 367145247Sdamien 368145247Sdamien /* 369145247Sdamien * Hook our interrupt after all initialization is complete. 370145247Sdamien */ 371145247Sdamien error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 372166901Spiso NULL, ipw_intr, sc, &sc->sc_ih); 373145247Sdamien if (error != 0) { 374145247Sdamien device_printf(dev, "could not set up interrupt\n"); 375178354Ssam goto fail4; 376145247Sdamien } 377145247Sdamien 378145247Sdamien if (bootverbose) 379145247Sdamien ieee80211_announce(ic); 380145247Sdamien 381145247Sdamien return 0; 382178354Ssamfail4: 383178354Ssam if_free(ifp); 384178354Ssamfail3: 385178354Ssam ipw_release(sc); 386178354Ssamfail2: 387178354Ssam bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq); 388178354Ssamfail1: 389178354Ssam bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem); 390178354Ssamfail: 391178354Ssam mtx_destroy(&sc->sc_mtx); 392145247Sdamien return ENXIO; 393145247Sdamien} 394145247Sdamien 395145247Sdamienstatic int 396145247Sdamienipw_detach(device_t dev) 397145247Sdamien{ 398145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 399178354Ssam struct ifnet *ifp = sc->sc_ifp; 400178354Ssam struct ieee80211com *ic = ifp->if_l2com; 401145247Sdamien 402191912Sthompsa ieee80211_draintask(ic, &sc->sc_init_task); 403145247Sdamien ipw_stop(sc); 404178354Ssam 405178354Ssam ieee80211_ifdetach(ic); 406178354Ssam 407172567Sthompsa callout_drain(&sc->sc_wdtimer); 408145247Sdamien 409145247Sdamien ipw_release(sc); 410145247Sdamien 411178354Ssam bus_teardown_intr(dev, sc->irq, sc->sc_ih); 412178354Ssam bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq); 413145247Sdamien 414178354Ssam bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem); 415156599Sdamien 416178354Ssam if_free(ifp); 417145247Sdamien 418159487Siedowse if (sc->sc_firmware != NULL) { 419159487Siedowse firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 420159487Siedowse sc->sc_firmware = NULL; 421159487Siedowse } 422159487Siedowse 423145247Sdamien mtx_destroy(&sc->sc_mtx); 424145247Sdamien 425145247Sdamien return 0; 426145247Sdamien} 427145247Sdamien 428178354Ssamstatic struct ieee80211vap * 429178354Ssamipw_vap_create(struct ieee80211com *ic, 430178354Ssam const char name[IFNAMSIZ], int unit, int opmode, int flags, 431178354Ssam const uint8_t bssid[IEEE80211_ADDR_LEN], 432178354Ssam const uint8_t mac[IEEE80211_ADDR_LEN]) 433178354Ssam{ 434178354Ssam struct ifnet *ifp = ic->ic_ifp; 435178354Ssam struct ipw_softc *sc = ifp->if_softc; 436178354Ssam struct ipw_vap *ivp; 437178354Ssam struct ieee80211vap *vap; 438178354Ssam const struct firmware *fp; 439178354Ssam const struct ipw_firmware_hdr *hdr; 440178354Ssam const char *imagename; 441178354Ssam 442178354Ssam if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 443178354Ssam return NULL; 444178354Ssam 445178354Ssam switch (opmode) { 446178354Ssam case IEEE80211_M_STA: 447178354Ssam imagename = "ipw_bss"; 448178354Ssam break; 449178354Ssam case IEEE80211_M_IBSS: 450178354Ssam imagename = "ipw_ibss"; 451178354Ssam break; 452178354Ssam case IEEE80211_M_MONITOR: 453178354Ssam imagename = "ipw_monitor"; 454178354Ssam break; 455178354Ssam default: 456178354Ssam return NULL; 457178354Ssam } 458178354Ssam 459178354Ssam /* 460178354Ssam * Load firmware image using the firmware(9) subsystem. Doing 461178354Ssam * this unlocked is ok since we're single-threaded by the 462178354Ssam * 802.11 layer. 463178354Ssam */ 464178354Ssam if (sc->sc_firmware == NULL || 465178354Ssam strcmp(sc->sc_firmware->name, imagename) != 0) { 466178354Ssam if (sc->sc_firmware != NULL) 467178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 468178354Ssam sc->sc_firmware = firmware_get(imagename); 469178354Ssam } 470178354Ssam if (sc->sc_firmware == NULL) { 471178354Ssam device_printf(sc->sc_dev, 472178354Ssam "could not load firmware image '%s'\n", imagename); 473178354Ssam return NULL; 474178354Ssam } 475178354Ssam fp = sc->sc_firmware; 476178354Ssam if (fp->datasize < sizeof *hdr) { 477178354Ssam device_printf(sc->sc_dev, 478178354Ssam "firmware image too short %zu\n", fp->datasize); 479178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 480178354Ssam sc->sc_firmware = NULL; 481178354Ssam return NULL; 482178354Ssam } 483178354Ssam hdr = (const struct ipw_firmware_hdr *)fp->data; 484178354Ssam if (fp->datasize < sizeof *hdr + le32toh(hdr->mainsz) + 485178354Ssam le32toh(hdr->ucodesz)) { 486178354Ssam device_printf(sc->sc_dev, 487178354Ssam "firmware image too short %zu\n", fp->datasize); 488178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 489178354Ssam sc->sc_firmware = NULL; 490178354Ssam return NULL; 491178354Ssam } 492178354Ssam 493178354Ssam ivp = (struct ipw_vap *) malloc(sizeof(struct ipw_vap), 494178354Ssam M_80211_VAP, M_NOWAIT | M_ZERO); 495178354Ssam if (ivp == NULL) 496178354Ssam return NULL; 497178354Ssam vap = &ivp->vap; 498178354Ssam 499178354Ssam ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 500178354Ssam /* override with driver methods */ 501178354Ssam ivp->newstate = vap->iv_newstate; 502178354Ssam vap->iv_newstate = ipw_newstate; 503178354Ssam 504178354Ssam /* complete setup */ 505178354Ssam ieee80211_vap_attach(vap, ieee80211_media_change, ipw_media_status); 506178354Ssam ic->ic_opmode = opmode; 507178354Ssam return vap; 508178354Ssam} 509178354Ssam 510178354Ssamstatic void 511178354Ssamipw_vap_delete(struct ieee80211vap *vap) 512178354Ssam{ 513178354Ssam struct ipw_vap *ivp = IPW_VAP(vap); 514178354Ssam 515178354Ssam ieee80211_vap_detach(vap); 516178354Ssam free(ivp, M_80211_VAP); 517178354Ssam} 518178354Ssam 519145247Sdamienstatic int 520145247Sdamienipw_dma_alloc(struct ipw_softc *sc) 521145247Sdamien{ 522145247Sdamien struct ipw_soft_bd *sbd; 523145247Sdamien struct ipw_soft_hdr *shdr; 524145247Sdamien struct ipw_soft_buf *sbuf; 525145247Sdamien bus_addr_t physaddr; 526145247Sdamien int error, i; 527145247Sdamien 528145247Sdamien /* 529145247Sdamien * Allocate and map tx ring. 530145247Sdamien */ 531145247Sdamien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 532145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_TBD_SZ, 1, IPW_TBD_SZ, 0, NULL, 533145247Sdamien NULL, &sc->tbd_dmat); 534145247Sdamien if (error != 0) { 535145247Sdamien device_printf(sc->sc_dev, "could not create tx ring DMA tag\n"); 536145247Sdamien goto fail; 537145247Sdamien } 538145247Sdamien 539145247Sdamien error = bus_dmamem_alloc(sc->tbd_dmat, (void **)&sc->tbd_list, 540145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->tbd_map); 541145247Sdamien if (error != 0) { 542145247Sdamien device_printf(sc->sc_dev, 543145247Sdamien "could not allocate tx ring DMA memory\n"); 544145247Sdamien goto fail; 545145247Sdamien } 546145247Sdamien 547145247Sdamien error = bus_dmamap_load(sc->tbd_dmat, sc->tbd_map, sc->tbd_list, 548145247Sdamien IPW_TBD_SZ, ipw_dma_map_addr, &sc->tbd_phys, 0); 549145247Sdamien if (error != 0) { 550145247Sdamien device_printf(sc->sc_dev, "could not map tx ring DMA memory\n"); 551145247Sdamien goto fail; 552145247Sdamien } 553145247Sdamien 554145247Sdamien /* 555145247Sdamien * Allocate and map rx ring. 556145247Sdamien */ 557145247Sdamien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 558145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_RBD_SZ, 1, IPW_RBD_SZ, 0, NULL, 559145247Sdamien NULL, &sc->rbd_dmat); 560145247Sdamien if (error != 0) { 561145247Sdamien device_printf(sc->sc_dev, "could not create rx ring DMA tag\n"); 562145247Sdamien goto fail; 563145247Sdamien } 564145247Sdamien 565145247Sdamien error = bus_dmamem_alloc(sc->rbd_dmat, (void **)&sc->rbd_list, 566145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->rbd_map); 567145247Sdamien if (error != 0) { 568145247Sdamien device_printf(sc->sc_dev, 569145247Sdamien "could not allocate rx ring DMA memory\n"); 570145247Sdamien goto fail; 571145247Sdamien } 572145247Sdamien 573145247Sdamien error = bus_dmamap_load(sc->rbd_dmat, sc->rbd_map, sc->rbd_list, 574145247Sdamien IPW_RBD_SZ, ipw_dma_map_addr, &sc->rbd_phys, 0); 575145247Sdamien if (error != 0) { 576145247Sdamien device_printf(sc->sc_dev, "could not map rx ring DMA memory\n"); 577145247Sdamien goto fail; 578145247Sdamien } 579145247Sdamien 580145247Sdamien /* 581145247Sdamien * Allocate and map status ring. 582145247Sdamien */ 583145247Sdamien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 584145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_STATUS_SZ, 1, IPW_STATUS_SZ, 0, 585145247Sdamien NULL, NULL, &sc->status_dmat); 586145247Sdamien if (error != 0) { 587145247Sdamien device_printf(sc->sc_dev, 588145247Sdamien "could not create status ring DMA tag\n"); 589145247Sdamien goto fail; 590145247Sdamien } 591145247Sdamien 592145247Sdamien error = bus_dmamem_alloc(sc->status_dmat, (void **)&sc->status_list, 593145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->status_map); 594145247Sdamien if (error != 0) { 595145247Sdamien device_printf(sc->sc_dev, 596145247Sdamien "could not allocate status ring DMA memory\n"); 597145247Sdamien goto fail; 598145247Sdamien } 599145247Sdamien 600145247Sdamien error = bus_dmamap_load(sc->status_dmat, sc->status_map, 601145247Sdamien sc->status_list, IPW_STATUS_SZ, ipw_dma_map_addr, &sc->status_phys, 602145247Sdamien 0); 603145247Sdamien if (error != 0) { 604145247Sdamien device_printf(sc->sc_dev, 605145247Sdamien "could not map status ring DMA memory\n"); 606145247Sdamien goto fail; 607145247Sdamien } 608145247Sdamien 609145247Sdamien /* 610145247Sdamien * Allocate command DMA map. 611145247Sdamien */ 612145247Sdamien error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT, 613145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, sizeof (struct ipw_cmd), 1, 614145247Sdamien sizeof (struct ipw_cmd), 0, NULL, NULL, &sc->cmd_dmat); 615145247Sdamien if (error != 0) { 616145247Sdamien device_printf(sc->sc_dev, "could not create command DMA tag\n"); 617145247Sdamien goto fail; 618145247Sdamien } 619145247Sdamien 620145247Sdamien error = bus_dmamap_create(sc->cmd_dmat, 0, &sc->cmd_map); 621145247Sdamien if (error != 0) { 622145247Sdamien device_printf(sc->sc_dev, 623145247Sdamien "could not create command DMA map\n"); 624145247Sdamien goto fail; 625145247Sdamien } 626145247Sdamien 627145247Sdamien /* 628145247Sdamien * Allocate headers DMA maps. 629145247Sdamien */ 630145247Sdamien error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT, 631145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, sizeof (struct ipw_hdr), 1, 632145247Sdamien sizeof (struct ipw_hdr), 0, NULL, NULL, &sc->hdr_dmat); 633145247Sdamien if (error != 0) { 634145247Sdamien device_printf(sc->sc_dev, "could not create header DMA tag\n"); 635145247Sdamien goto fail; 636145247Sdamien } 637145247Sdamien 638145247Sdamien SLIST_INIT(&sc->free_shdr); 639145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 640145247Sdamien shdr = &sc->shdr_list[i]; 641145247Sdamien error = bus_dmamap_create(sc->hdr_dmat, 0, &shdr->map); 642145247Sdamien if (error != 0) { 643145247Sdamien device_printf(sc->sc_dev, 644145247Sdamien "could not create header DMA map\n"); 645145247Sdamien goto fail; 646145247Sdamien } 647145247Sdamien SLIST_INSERT_HEAD(&sc->free_shdr, shdr, next); 648145247Sdamien } 649145247Sdamien 650145247Sdamien /* 651145247Sdamien * Allocate tx buffers DMA maps. 652145247Sdamien */ 653145247Sdamien error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT, 654145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, IPW_MAX_NSEG, MCLBYTES, 0, 655145247Sdamien NULL, NULL, &sc->txbuf_dmat); 656145247Sdamien if (error != 0) { 657145247Sdamien device_printf(sc->sc_dev, "could not create tx DMA tag\n"); 658145247Sdamien goto fail; 659145247Sdamien } 660145247Sdamien 661145247Sdamien SLIST_INIT(&sc->free_sbuf); 662145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 663145247Sdamien sbuf = &sc->tx_sbuf_list[i]; 664145247Sdamien error = bus_dmamap_create(sc->txbuf_dmat, 0, &sbuf->map); 665145247Sdamien if (error != 0) { 666145247Sdamien device_printf(sc->sc_dev, 667145247Sdamien "could not create tx DMA map\n"); 668145247Sdamien goto fail; 669145247Sdamien } 670145247Sdamien SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next); 671145247Sdamien } 672145247Sdamien 673145247Sdamien /* 674145247Sdamien * Initialize tx ring. 675145247Sdamien */ 676145247Sdamien for (i = 0; i < IPW_NTBD; i++) { 677145247Sdamien sbd = &sc->stbd_list[i]; 678145247Sdamien sbd->bd = &sc->tbd_list[i]; 679145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 680145247Sdamien } 681145247Sdamien 682145247Sdamien /* 683145247Sdamien * Pre-allocate rx buffers and DMA maps. 684145247Sdamien */ 685145247Sdamien error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT, 686147841Sdamien BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1, MCLBYTES, 0, NULL, 687147841Sdamien NULL, &sc->rxbuf_dmat); 688145247Sdamien if (error != 0) { 689145247Sdamien device_printf(sc->sc_dev, "could not create rx DMA tag\n"); 690145247Sdamien goto fail; 691145247Sdamien } 692145247Sdamien 693145247Sdamien for (i = 0; i < IPW_NRBD; i++) { 694145247Sdamien sbd = &sc->srbd_list[i]; 695145247Sdamien sbuf = &sc->rx_sbuf_list[i]; 696145247Sdamien sbd->bd = &sc->rbd_list[i]; 697145247Sdamien 698145247Sdamien sbuf->m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 699145247Sdamien if (sbuf->m == NULL) { 700145247Sdamien device_printf(sc->sc_dev, 701145247Sdamien "could not allocate rx mbuf\n"); 702145247Sdamien error = ENOMEM; 703145247Sdamien goto fail; 704145247Sdamien } 705145247Sdamien 706145247Sdamien error = bus_dmamap_create(sc->rxbuf_dmat, 0, &sbuf->map); 707145247Sdamien if (error != 0) { 708145247Sdamien device_printf(sc->sc_dev, 709145247Sdamien "could not create rx DMA map\n"); 710145247Sdamien goto fail; 711145247Sdamien } 712145247Sdamien 713145247Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, 714145247Sdamien mtod(sbuf->m, void *), MCLBYTES, ipw_dma_map_addr, 715145247Sdamien &physaddr, 0); 716145247Sdamien if (error != 0) { 717145247Sdamien device_printf(sc->sc_dev, 718145247Sdamien "could not map rx DMA memory\n"); 719145247Sdamien goto fail; 720145247Sdamien } 721145247Sdamien 722145247Sdamien sbd->type = IPW_SBD_TYPE_DATA; 723145247Sdamien sbd->priv = sbuf; 724145247Sdamien sbd->bd->physaddr = htole32(physaddr); 725145247Sdamien sbd->bd->len = htole32(MCLBYTES); 726145247Sdamien } 727145247Sdamien 728145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 729145247Sdamien 730145247Sdamien return 0; 731145247Sdamien 732145247Sdamienfail: ipw_release(sc); 733145247Sdamien return error; 734145247Sdamien} 735145247Sdamien 736145247Sdamienstatic void 737145247Sdamienipw_release(struct ipw_softc *sc) 738145247Sdamien{ 739145247Sdamien struct ipw_soft_buf *sbuf; 740145247Sdamien int i; 741145247Sdamien 742145247Sdamien if (sc->tbd_dmat != NULL) { 743145247Sdamien if (sc->stbd_list != NULL) { 744145247Sdamien bus_dmamap_unload(sc->tbd_dmat, sc->tbd_map); 745145247Sdamien bus_dmamem_free(sc->tbd_dmat, sc->tbd_list, 746145247Sdamien sc->tbd_map); 747145247Sdamien } 748145247Sdamien bus_dma_tag_destroy(sc->tbd_dmat); 749145247Sdamien } 750145247Sdamien 751145247Sdamien if (sc->rbd_dmat != NULL) { 752145247Sdamien if (sc->rbd_list != NULL) { 753145247Sdamien bus_dmamap_unload(sc->rbd_dmat, sc->rbd_map); 754145247Sdamien bus_dmamem_free(sc->rbd_dmat, sc->rbd_list, 755145247Sdamien sc->rbd_map); 756145247Sdamien } 757145247Sdamien bus_dma_tag_destroy(sc->rbd_dmat); 758145247Sdamien } 759145247Sdamien 760145247Sdamien if (sc->status_dmat != NULL) { 761145247Sdamien if (sc->status_list != NULL) { 762145247Sdamien bus_dmamap_unload(sc->status_dmat, sc->status_map); 763145247Sdamien bus_dmamem_free(sc->status_dmat, sc->status_list, 764145247Sdamien sc->status_map); 765145247Sdamien } 766145247Sdamien bus_dma_tag_destroy(sc->status_dmat); 767145247Sdamien } 768145247Sdamien 769145247Sdamien for (i = 0; i < IPW_NTBD; i++) 770145247Sdamien ipw_release_sbd(sc, &sc->stbd_list[i]); 771145247Sdamien 772145247Sdamien if (sc->cmd_dmat != NULL) { 773145247Sdamien bus_dmamap_destroy(sc->cmd_dmat, sc->cmd_map); 774145247Sdamien bus_dma_tag_destroy(sc->cmd_dmat); 775145247Sdamien } 776145247Sdamien 777145247Sdamien if (sc->hdr_dmat != NULL) { 778145247Sdamien for (i = 0; i < IPW_NDATA; i++) 779145247Sdamien bus_dmamap_destroy(sc->hdr_dmat, sc->shdr_list[i].map); 780145247Sdamien bus_dma_tag_destroy(sc->hdr_dmat); 781145247Sdamien } 782145247Sdamien 783145247Sdamien if (sc->txbuf_dmat != NULL) { 784145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 785145247Sdamien bus_dmamap_destroy(sc->txbuf_dmat, 786145247Sdamien sc->tx_sbuf_list[i].map); 787145247Sdamien } 788145247Sdamien bus_dma_tag_destroy(sc->txbuf_dmat); 789145247Sdamien } 790145247Sdamien 791145247Sdamien if (sc->rxbuf_dmat != NULL) { 792145247Sdamien for (i = 0; i < IPW_NRBD; i++) { 793145247Sdamien sbuf = &sc->rx_sbuf_list[i]; 794145247Sdamien if (sbuf->m != NULL) { 795145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, 796145247Sdamien BUS_DMASYNC_POSTREAD); 797145247Sdamien bus_dmamap_unload(sc->rxbuf_dmat, sbuf->map); 798145247Sdamien m_freem(sbuf->m); 799145247Sdamien } 800145247Sdamien bus_dmamap_destroy(sc->rxbuf_dmat, sbuf->map); 801145247Sdamien } 802145247Sdamien bus_dma_tag_destroy(sc->rxbuf_dmat); 803145247Sdamien } 804145247Sdamien} 805145247Sdamien 806145247Sdamienstatic int 807145247Sdamienipw_shutdown(device_t dev) 808145247Sdamien{ 809145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 810145247Sdamien 811145247Sdamien ipw_stop(sc); 812145247Sdamien 813145247Sdamien return 0; 814145247Sdamien} 815145247Sdamien 816145247Sdamienstatic int 817145247Sdamienipw_suspend(device_t dev) 818145247Sdamien{ 819145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 820145247Sdamien 821145247Sdamien ipw_stop(sc); 822145247Sdamien 823145247Sdamien return 0; 824145247Sdamien} 825145247Sdamien 826145247Sdamienstatic int 827145247Sdamienipw_resume(device_t dev) 828145247Sdamien{ 829145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 830178354Ssam struct ifnet *ifp = sc->sc_ifp; 831145247Sdamien 832146498Sdamien pci_write_config(dev, 0x41, 0, 1); 833146498Sdamien 834178354Ssam if (ifp->if_flags & IFF_UP) 835178354Ssam ipw_init(sc); 836145247Sdamien 837145247Sdamien return 0; 838145247Sdamien} 839145247Sdamien 840145247Sdamienstatic int 841172567Sthompsaipw_cvtrate(int ipwrate) 842172567Sthompsa{ 843172567Sthompsa switch (ipwrate) { 844172567Sthompsa case IPW_RATE_DS1: return 2; 845172567Sthompsa case IPW_RATE_DS2: return 4; 846172567Sthompsa case IPW_RATE_DS5: return 11; 847172567Sthompsa case IPW_RATE_DS11: return 22; 848172567Sthompsa } 849145247Sdamien return 0; 850145247Sdamien} 851145247Sdamien 852145247Sdamien/* 853156599Sdamien * The firmware automatically adapts the transmit speed. We report its current 854156599Sdamien * value here. 855145247Sdamien */ 856145247Sdamienstatic void 857145247Sdamienipw_media_status(struct ifnet *ifp, struct ifmediareq *imr) 858145247Sdamien{ 859178354Ssam struct ieee80211vap *vap = ifp->if_softc; 860178354Ssam struct ieee80211com *ic = vap->iv_ic; 861178354Ssam struct ipw_softc *sc = ic->ic_ifp->if_softc; 862145247Sdamien 863145247Sdamien /* read current transmission rate from adapter */ 864178354Ssam vap->iv_bss->ni_txrate = ipw_cvtrate( 865178354Ssam ipw_read_table1(sc, IPW_INFO_CURRENT_TX_RATE) & 0xf); 866178354Ssam ieee80211_media_status(ifp, imr); 867145247Sdamien} 868145247Sdamien 869145247Sdamienstatic int 870178354Ssamipw_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 871145247Sdamien{ 872178354Ssam struct ipw_vap *ivp = IPW_VAP(vap); 873178354Ssam struct ieee80211com *ic = vap->iv_ic; 874145247Sdamien struct ifnet *ifp = ic->ic_ifp; 875145247Sdamien struct ipw_softc *sc = ifp->if_softc; 876191746Sthompsa enum ieee80211_state ostate; 877145247Sdamien 878172567Sthompsa DPRINTF(("%s: %s -> %s flags 0x%x\n", __func__, 879178354Ssam ieee80211_state_name[vap->iv_state], 880172567Sthompsa ieee80211_state_name[nstate], sc->flags)); 881172567Sthompsa 882191746Sthompsa ostate = vap->iv_state; 883191746Sthompsa IEEE80211_UNLOCK(ic); 884191746Sthompsa 885145247Sdamien switch (nstate) { 886145247Sdamien case IEEE80211_S_RUN: 887172567Sthompsa if (ic->ic_opmode == IEEE80211_M_IBSS) { 888172567Sthompsa /* 889172567Sthompsa * XXX when joining an ibss network we are called 890172567Sthompsa * with a SCAN -> RUN transition on scan complete. 891172567Sthompsa * Use that to call ipw_auth_and_assoc. On completing 892172567Sthompsa * the join we are then called again with an 893172567Sthompsa * AUTH -> RUN transition and we want to do nothing. 894172567Sthompsa * This is all totally bogus and needs to be redone. 895172567Sthompsa */ 896191746Sthompsa if (ostate == IEEE80211_S_SCAN) 897191746Sthompsa ipw_assoc(ic, vap); 898172567Sthompsa } 899172567Sthompsa break; 900145247Sdamien 901172567Sthompsa case IEEE80211_S_INIT: 902172567Sthompsa if (sc->flags & IPW_FLAG_ASSOCIATED) 903191746Sthompsa ipw_disassoc(ic, vap); 904172567Sthompsa break; 905145247Sdamien 906172567Sthompsa case IEEE80211_S_AUTH: 907191746Sthompsa ipw_assoc(ic, vap); 908191746Sthompsa break; 909145247Sdamien 910172567Sthompsa case IEEE80211_S_ASSOC: 911172567Sthompsa /* 912172567Sthompsa * If we are not transitioning from AUTH the resend the 913172567Sthompsa * association request. 914172567Sthompsa */ 915191746Sthompsa if (ostate != IEEE80211_S_AUTH) 916191746Sthompsa ipw_assoc(ic, vap); 917145247Sdamien break; 918145247Sdamien 919172058Ssam default: 920145247Sdamien break; 921145247Sdamien } 922191746Sthompsa IEEE80211_LOCK(ic); 923178354Ssam return ivp->newstate(vap, nstate, arg); 924145247Sdamien} 925145247Sdamien 926145247Sdamien/* 927145247Sdamien * Read 16 bits at address 'addr' from the serial EEPROM. 928145247Sdamien */ 929145247Sdamienstatic uint16_t 930145247Sdamienipw_read_prom_word(struct ipw_softc *sc, uint8_t addr) 931145247Sdamien{ 932145247Sdamien uint32_t tmp; 933145247Sdamien uint16_t val; 934145247Sdamien int n; 935145247Sdamien 936145247Sdamien /* clock C once before the first command */ 937145247Sdamien IPW_EEPROM_CTL(sc, 0); 938145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 939145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 940145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 941145247Sdamien 942145247Sdamien /* write start bit (1) */ 943145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D); 944145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C); 945145247Sdamien 946145247Sdamien /* write READ opcode (10) */ 947145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D); 948145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C); 949145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 950145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 951145247Sdamien 952145247Sdamien /* write address A7-A0 */ 953145247Sdamien for (n = 7; n >= 0; n--) { 954145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | 955145247Sdamien (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D)); 956145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | 957145247Sdamien (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D) | IPW_EEPROM_C); 958145247Sdamien } 959145247Sdamien 960145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 961145247Sdamien 962145247Sdamien /* read data Q15-Q0 */ 963145247Sdamien val = 0; 964145247Sdamien for (n = 15; n >= 0; n--) { 965145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 966145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 967145247Sdamien tmp = MEM_READ_4(sc, IPW_MEM_EEPROM_CTL); 968145247Sdamien val |= ((tmp & IPW_EEPROM_Q) >> IPW_EEPROM_SHIFT_Q) << n; 969145247Sdamien } 970145247Sdamien 971145247Sdamien IPW_EEPROM_CTL(sc, 0); 972145247Sdamien 973145247Sdamien /* clear Chip Select and clock C */ 974145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 975145247Sdamien IPW_EEPROM_CTL(sc, 0); 976145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_C); 977145247Sdamien 978145247Sdamien return le16toh(val); 979145247Sdamien} 980145247Sdamien 981145247Sdamienstatic void 982172567Sthompsaipw_rx_cmd_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf) 983145247Sdamien{ 984145247Sdamien struct ipw_cmd *cmd; 985145247Sdamien 986145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 987145247Sdamien 988145247Sdamien cmd = mtod(sbuf->m, struct ipw_cmd *); 989145247Sdamien 990172567Sthompsa DPRINTFN(9, ("cmd ack'ed %s(%u, %u, %u, %u, %u)\n", 991172567Sthompsa ipw_cmdname(le32toh(cmd->type)), le32toh(cmd->type), 992145247Sdamien le32toh(cmd->subtype), le32toh(cmd->seq), le32toh(cmd->len), 993145247Sdamien le32toh(cmd->status))); 994145247Sdamien 995172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 996145247Sdamien wakeup(sc); 997145247Sdamien} 998145247Sdamien 999145247Sdamienstatic void 1000172567Sthompsaipw_rx_newstate_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf) 1001145247Sdamien{ 1002178354Ssam#define IEEESTATE(vap) ieee80211_state_name[vap->iv_state] 1003178354Ssam struct ifnet *ifp = sc->sc_ifp; 1004178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1005178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1006145247Sdamien uint32_t state; 1007145247Sdamien 1008145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 1009145247Sdamien 1010145247Sdamien state = le32toh(*mtod(sbuf->m, uint32_t *)); 1011145247Sdamien 1012145247Sdamien switch (state) { 1013145247Sdamien case IPW_STATE_ASSOCIATED: 1014172567Sthompsa DPRINTFN(2, ("Association succeeded (%s flags 0x%x)\n", 1015178354Ssam IEEESTATE(vap), sc->flags)); 1016178354Ssam /* XXX suppress state change in case the fw auto-associates */ 1017178354Ssam if ((sc->flags & IPW_FLAG_ASSOCIATING) == 0) { 1018178354Ssam DPRINTF(("Unexpected association (%s, flags 0x%x)\n", 1019178354Ssam IEEESTATE(vap), sc->flags)); 1020178354Ssam break; 1021178354Ssam } 1022178354Ssam sc->flags &= ~IPW_FLAG_ASSOCIATING; 1023172567Sthompsa sc->flags |= IPW_FLAG_ASSOCIATED; 1024191746Sthompsa ieee80211_new_state(vap, IEEE80211_S_RUN, -1); 1025145247Sdamien break; 1026145247Sdamien 1027145247Sdamien case IPW_STATE_SCANNING: 1028172567Sthompsa DPRINTFN(3, ("Scanning (%s flags 0x%x)\n", 1029178354Ssam IEEESTATE(vap), sc->flags)); 1030172567Sthompsa /* 1031172567Sthompsa * NB: Check driver state for association on assoc 1032172567Sthompsa * loss as the firmware will immediately start to 1033172567Sthompsa * scan and we would treat it as a beacon miss if 1034172567Sthompsa * we checked the 802.11 layer state. 1035172567Sthompsa */ 1036178354Ssam if (sc->flags & IPW_FLAG_ASSOCIATED) { 1037178354Ssam /* XXX probably need to issue disassoc to fw */ 1038191746Sthompsa ieee80211_beacon_miss(ic); 1039178354Ssam } 1040145247Sdamien break; 1041145247Sdamien 1042145247Sdamien case IPW_STATE_SCAN_COMPLETE: 1043172567Sthompsa /* 1044172567Sthompsa * XXX For some reason scan requests generate scan 1045172567Sthompsa * started + scan done events before any traffic is 1046172567Sthompsa * received (e.g. probe response frames). We work 1047172567Sthompsa * around this by marking the HACK flag and skipping 1048172567Sthompsa * the first scan complete event. 1049172567Sthompsa */ 1050178354Ssam DPRINTFN(3, ("Scan complete (%s flags 0x%x)\n", 1051178354Ssam IEEESTATE(vap), sc->flags)); 1052172567Sthompsa if (sc->flags & IPW_FLAG_HACK) { 1053172567Sthompsa sc->flags &= ~IPW_FLAG_HACK; 1054172567Sthompsa break; 1055172567Sthompsa } 1056172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) { 1057191746Sthompsa ieee80211_scan_done(vap); 1058172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 1059172567Sthompsa sc->sc_scan_timer = 0; 1060172567Sthompsa } 1061145247Sdamien break; 1062145247Sdamien 1063145247Sdamien case IPW_STATE_ASSOCIATION_LOST: 1064172567Sthompsa DPRINTFN(2, ("Association lost (%s flags 0x%x)\n", 1065178354Ssam IEEESTATE(vap), sc->flags)); 1066178354Ssam sc->flags &= ~(IPW_FLAG_ASSOCIATING | IPW_FLAG_ASSOCIATED); 1067178354Ssam if (vap->iv_state == IEEE80211_S_RUN) 1068191746Sthompsa ieee80211_new_state(vap, IEEE80211_S_SCAN, -1); 1069145247Sdamien break; 1070145247Sdamien 1071172567Sthompsa case IPW_STATE_DISABLED: 1072178354Ssam /* XXX? is this right? */ 1073178354Ssam sc->flags &= ~(IPW_FLAG_HACK | IPW_FLAG_SCANNING | 1074178354Ssam IPW_FLAG_ASSOCIATING | IPW_FLAG_ASSOCIATED); 1075172567Sthompsa DPRINTFN(2, ("Firmware disabled (%s flags 0x%x)\n", 1076178354Ssam IEEESTATE(vap), sc->flags)); 1077172567Sthompsa break; 1078172567Sthompsa 1079145247Sdamien case IPW_STATE_RADIO_DISABLED: 1080178354Ssam device_printf(sc->sc_dev, "radio turned off\n"); 1081178354Ssam ieee80211_notify_radio(ic, 0); 1082172567Sthompsa ipw_stop_locked(sc); 1083178354Ssam /* XXX start polling thread to detect radio on */ 1084145247Sdamien break; 1085172567Sthompsa 1086172567Sthompsa default: 1087172567Sthompsa DPRINTFN(2, ("%s: unhandled state %u %s flags 0x%x\n", 1088178354Ssam __func__, state, IEEESTATE(vap), sc->flags)); 1089172567Sthompsa break; 1090145247Sdamien } 1091172567Sthompsa#undef IEEESTATE 1092145247Sdamien} 1093145247Sdamien 1094145247Sdamien/* 1095172567Sthompsa * Set driver state for current channel. 1096172567Sthompsa */ 1097172567Sthompsastatic void 1098172567Sthompsaipw_setcurchan(struct ipw_softc *sc, struct ieee80211_channel *chan) 1099172567Sthompsa{ 1100178354Ssam struct ifnet *ifp = sc->sc_ifp; 1101178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1102172567Sthompsa 1103172567Sthompsa ic->ic_curchan = chan; 1104192468Ssam ieee80211_radiotap_chan_change(ic); 1105172567Sthompsa} 1106172567Sthompsa 1107172567Sthompsa/* 1108145247Sdamien * XXX: Hack to set the current channel to the value advertised in beacons or 1109145247Sdamien * probe responses. Only used during AP detection. 1110145247Sdamien */ 1111145247Sdamienstatic void 1112172567Sthompsaipw_fix_channel(struct ipw_softc *sc, struct mbuf *m) 1113145247Sdamien{ 1114178354Ssam struct ifnet *ifp = sc->sc_ifp; 1115178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1116172567Sthompsa struct ieee80211_channel *c; 1117145247Sdamien struct ieee80211_frame *wh; 1118145247Sdamien uint8_t subtype; 1119145247Sdamien uint8_t *frm, *efrm; 1120145247Sdamien 1121145247Sdamien wh = mtod(m, struct ieee80211_frame *); 1122145247Sdamien 1123145247Sdamien if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 1124145247Sdamien return; 1125145247Sdamien 1126145247Sdamien subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 1127145247Sdamien 1128145247Sdamien if (subtype != IEEE80211_FC0_SUBTYPE_BEACON && 1129145247Sdamien subtype != IEEE80211_FC0_SUBTYPE_PROBE_RESP) 1130145247Sdamien return; 1131145247Sdamien 1132178354Ssam /* XXX use ieee80211_parse_beacon */ 1133145247Sdamien frm = (uint8_t *)(wh + 1); 1134145247Sdamien efrm = mtod(m, uint8_t *) + m->m_len; 1135145247Sdamien 1136145247Sdamien frm += 12; /* skip tstamp, bintval and capinfo fields */ 1137145247Sdamien while (frm < efrm) { 1138145247Sdamien if (*frm == IEEE80211_ELEMID_DSPARMS) 1139145247Sdamien#if IEEE80211_CHAN_MAX < 255 1140145247Sdamien if (frm[2] <= IEEE80211_CHAN_MAX) 1141145247Sdamien#endif 1142172567Sthompsa { 1143172567Sthompsa DPRINTF(("Fixing channel to %d\n", frm[2])); 1144172567Sthompsa c = ieee80211_find_channel(ic, 1145170530Ssam ieee80211_ieee2mhz(frm[2], 0), 1146172567Sthompsa IEEE80211_CHAN_B); 1147172567Sthompsa if (c == NULL) 1148172567Sthompsa c = &ic->ic_channels[0]; 1149172567Sthompsa ipw_setcurchan(sc, c); 1150172567Sthompsa } 1151145247Sdamien 1152145247Sdamien frm += frm[1] + 2; 1153145247Sdamien } 1154145247Sdamien} 1155145247Sdamien 1156145247Sdamienstatic void 1157172567Sthompsaipw_rx_data_intr(struct ipw_softc *sc, struct ipw_status *status, 1158145247Sdamien struct ipw_soft_bd *sbd, struct ipw_soft_buf *sbuf) 1159145247Sdamien{ 1160178354Ssam struct ifnet *ifp = sc->sc_ifp; 1161178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1162152385Sdamien struct mbuf *mnew, *m; 1163145247Sdamien struct ieee80211_node *ni; 1164145247Sdamien bus_addr_t physaddr; 1165145247Sdamien int error; 1166192468Ssam int8_t rssi, nf; 1167172567Sthompsa IPW_LOCK_DECL; 1168145247Sdamien 1169152385Sdamien DPRINTFN(5, ("received frame len=%u, rssi=%u\n", le32toh(status->len), 1170152385Sdamien status->rssi)); 1171152385Sdamien 1172147757Sdamien if (le32toh(status->len) < sizeof (struct ieee80211_frame_min) || 1173147757Sdamien le32toh(status->len) > MCLBYTES) 1174147757Sdamien return; 1175147757Sdamien 1176152385Sdamien /* 1177152385Sdamien * Try to allocate a new mbuf for this ring element and load it before 1178152385Sdamien * processing the current mbuf. If the ring element cannot be loaded, 1179152385Sdamien * drop the received packet and reuse the old mbuf. In the unlikely 1180152385Sdamien * case that the old mbuf can't be reloaded either, explicitly panic. 1181152385Sdamien */ 1182152385Sdamien mnew = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1183152385Sdamien if (mnew == NULL) { 1184152385Sdamien ifp->if_ierrors++; 1185152385Sdamien return; 1186152385Sdamien } 1187152385Sdamien 1188145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 1189145247Sdamien bus_dmamap_unload(sc->rxbuf_dmat, sbuf->map); 1190145247Sdamien 1191152385Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, mtod(mnew, void *), 1192152385Sdamien MCLBYTES, ipw_dma_map_addr, &physaddr, 0); 1193152385Sdamien if (error != 0) { 1194152385Sdamien m_freem(mnew); 1195152385Sdamien 1196152385Sdamien /* try to reload the old mbuf */ 1197152385Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, 1198152385Sdamien mtod(sbuf->m, void *), MCLBYTES, ipw_dma_map_addr, 1199152385Sdamien &physaddr, 0); 1200152385Sdamien if (error != 0) { 1201152385Sdamien /* very unlikely that it will fail... */ 1202152385Sdamien panic("%s: could not load old rx mbuf", 1203152385Sdamien device_get_name(sc->sc_dev)); 1204152385Sdamien } 1205152385Sdamien ifp->if_ierrors++; 1206152385Sdamien return; 1207152385Sdamien } 1208152385Sdamien 1209152385Sdamien /* 1210152385Sdamien * New mbuf successfully loaded, update Rx ring and continue 1211152385Sdamien * processing. 1212152385Sdamien */ 1213152385Sdamien m = sbuf->m; 1214152385Sdamien sbuf->m = mnew; 1215152385Sdamien sbd->bd->physaddr = htole32(physaddr); 1216152385Sdamien 1217145247Sdamien /* finalize mbuf */ 1218145247Sdamien m->m_pkthdr.rcvif = ifp; 1219145247Sdamien m->m_pkthdr.len = m->m_len = le32toh(status->len); 1220145247Sdamien 1221192468Ssam rssi = status->rssi + IPW_RSSI_TO_DBM; 1222192468Ssam nf = -95; 1223192468Ssam if (ieee80211_radiotap_active(ic)) { 1224145247Sdamien struct ipw_rx_radiotap_header *tap = &sc->sc_rxtap; 1225145247Sdamien 1226145247Sdamien tap->wr_flags = 0; 1227192468Ssam tap->wr_antsignal = rssi; 1228192468Ssam tap->wr_antnoise = nf; 1229145247Sdamien } 1230145247Sdamien 1231172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) 1232172567Sthompsa ipw_fix_channel(sc, m); 1233145247Sdamien 1234172567Sthompsa IPW_UNLOCK(sc); 1235178354Ssam ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *)); 1236178354Ssam if (ni != NULL) { 1237192468Ssam (void) ieee80211_input(ni, m, rssi, nf); 1238178354Ssam ieee80211_free_node(ni); 1239178354Ssam } else 1240192468Ssam (void) ieee80211_input_all(ic, m, rssi, nf); 1241172567Sthompsa IPW_LOCK(sc); 1242145247Sdamien 1243145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 1244145247Sdamien} 1245145247Sdamien 1246145247Sdamienstatic void 1247145247Sdamienipw_rx_intr(struct ipw_softc *sc) 1248145247Sdamien{ 1249145247Sdamien struct ipw_status *status; 1250145247Sdamien struct ipw_soft_bd *sbd; 1251145247Sdamien struct ipw_soft_buf *sbuf; 1252145247Sdamien uint32_t r, i; 1253145247Sdamien 1254145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1255145247Sdamien return; 1256145247Sdamien 1257145247Sdamien r = CSR_READ_4(sc, IPW_CSR_RX_READ); 1258145247Sdamien 1259145247Sdamien bus_dmamap_sync(sc->status_dmat, sc->status_map, BUS_DMASYNC_POSTREAD); 1260145247Sdamien 1261145247Sdamien for (i = (sc->rxcur + 1) % IPW_NRBD; i != r; i = (i + 1) % IPW_NRBD) { 1262145247Sdamien status = &sc->status_list[i]; 1263145247Sdamien sbd = &sc->srbd_list[i]; 1264145247Sdamien sbuf = sbd->priv; 1265145247Sdamien 1266145247Sdamien switch (le16toh(status->code) & 0xf) { 1267145247Sdamien case IPW_STATUS_CODE_COMMAND: 1268172567Sthompsa ipw_rx_cmd_intr(sc, sbuf); 1269145247Sdamien break; 1270145247Sdamien 1271145247Sdamien case IPW_STATUS_CODE_NEWSTATE: 1272172567Sthompsa ipw_rx_newstate_intr(sc, sbuf); 1273145247Sdamien break; 1274145247Sdamien 1275145247Sdamien case IPW_STATUS_CODE_DATA_802_3: 1276145247Sdamien case IPW_STATUS_CODE_DATA_802_11: 1277172567Sthompsa ipw_rx_data_intr(sc, status, sbd, sbuf); 1278145247Sdamien break; 1279145247Sdamien 1280145247Sdamien case IPW_STATUS_CODE_NOTIFICATION: 1281172567Sthompsa DPRINTFN(2, ("notification status, len %u flags 0x%x\n", 1282172567Sthompsa le32toh(status->len), status->flags)); 1283178354Ssam /* XXX maybe drive state machine AUTH->ASSOC? */ 1284145247Sdamien break; 1285145247Sdamien 1286145247Sdamien default: 1287172567Sthompsa device_printf(sc->sc_dev, "unexpected status code %u\n", 1288145247Sdamien le16toh(status->code)); 1289145247Sdamien } 1290145247Sdamien 1291145247Sdamien /* firmware was killed, stop processing received frames */ 1292145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1293145247Sdamien return; 1294145247Sdamien 1295145247Sdamien sbd->bd->flags = 0; 1296145247Sdamien } 1297145247Sdamien 1298145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 1299145247Sdamien 1300145247Sdamien /* kick the firmware */ 1301145247Sdamien sc->rxcur = (r == 0) ? IPW_NRBD - 1 : r - 1; 1302145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_WRITE, sc->rxcur); 1303145247Sdamien} 1304145247Sdamien 1305145247Sdamienstatic void 1306145247Sdamienipw_release_sbd(struct ipw_softc *sc, struct ipw_soft_bd *sbd) 1307145247Sdamien{ 1308145247Sdamien struct ipw_soft_hdr *shdr; 1309145247Sdamien struct ipw_soft_buf *sbuf; 1310145247Sdamien 1311145247Sdamien switch (sbd->type) { 1312145247Sdamien case IPW_SBD_TYPE_COMMAND: 1313145247Sdamien bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map, 1314145247Sdamien BUS_DMASYNC_POSTWRITE); 1315145247Sdamien bus_dmamap_unload(sc->cmd_dmat, sc->cmd_map); 1316145247Sdamien break; 1317145247Sdamien 1318145247Sdamien case IPW_SBD_TYPE_HEADER: 1319145247Sdamien shdr = sbd->priv; 1320145247Sdamien bus_dmamap_sync(sc->hdr_dmat, shdr->map, BUS_DMASYNC_POSTWRITE); 1321145247Sdamien bus_dmamap_unload(sc->hdr_dmat, shdr->map); 1322145247Sdamien SLIST_INSERT_HEAD(&sc->free_shdr, shdr, next); 1323145247Sdamien break; 1324145247Sdamien 1325145247Sdamien case IPW_SBD_TYPE_DATA: 1326145247Sdamien sbuf = sbd->priv; 1327145247Sdamien bus_dmamap_sync(sc->txbuf_dmat, sbuf->map, 1328145247Sdamien BUS_DMASYNC_POSTWRITE); 1329145247Sdamien bus_dmamap_unload(sc->txbuf_dmat, sbuf->map); 1330145247Sdamien SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next); 1331145247Sdamien 1332170530Ssam if (sbuf->m->m_flags & M_TXCB) 1333170530Ssam ieee80211_process_callback(sbuf->ni, sbuf->m, 0/*XXX*/); 1334145247Sdamien m_freem(sbuf->m); 1335145247Sdamien ieee80211_free_node(sbuf->ni); 1336145247Sdamien 1337145247Sdamien sc->sc_tx_timer = 0; 1338145247Sdamien break; 1339145247Sdamien } 1340145247Sdamien 1341145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 1342145247Sdamien} 1343145247Sdamien 1344145247Sdamienstatic void 1345145247Sdamienipw_tx_intr(struct ipw_softc *sc) 1346145247Sdamien{ 1347178354Ssam struct ifnet *ifp = sc->sc_ifp; 1348145247Sdamien struct ipw_soft_bd *sbd; 1349145247Sdamien uint32_t r, i; 1350145247Sdamien 1351145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1352145247Sdamien return; 1353145247Sdamien 1354145247Sdamien r = CSR_READ_4(sc, IPW_CSR_TX_READ); 1355145247Sdamien 1356145247Sdamien for (i = (sc->txold + 1) % IPW_NTBD; i != r; i = (i + 1) % IPW_NTBD) { 1357145247Sdamien sbd = &sc->stbd_list[i]; 1358145247Sdamien 1359145247Sdamien if (sbd->type == IPW_SBD_TYPE_DATA) 1360145247Sdamien ifp->if_opackets++; 1361145247Sdamien 1362145247Sdamien ipw_release_sbd(sc, sbd); 1363145247Sdamien sc->txfree++; 1364145247Sdamien } 1365145247Sdamien 1366145247Sdamien /* remember what the firmware has processed */ 1367145247Sdamien sc->txold = (r == 0) ? IPW_NTBD - 1 : r - 1; 1368145247Sdamien 1369148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1370172567Sthompsa ipw_start_locked(ifp); 1371145247Sdamien} 1372145247Sdamien 1373145247Sdamienstatic void 1374191746Sthompsaipw_fatal_error_intr(struct ipw_softc *sc) 1375191746Sthompsa{ 1376191746Sthompsa struct ifnet *ifp = sc->sc_ifp; 1377191746Sthompsa struct ieee80211com *ic = ifp->if_l2com; 1378191956Sthompsa struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1379191746Sthompsa 1380191746Sthompsa device_printf(sc->sc_dev, "firmware error\n"); 1381191956Sthompsa if (vap != NULL) 1382191956Sthompsa ieee80211_cancel_scan(vap); 1383191746Sthompsa ieee80211_runtask(ic, &sc->sc_init_task); 1384191746Sthompsa} 1385191746Sthompsa 1386191746Sthompsastatic void 1387145247Sdamienipw_intr(void *arg) 1388145247Sdamien{ 1389145247Sdamien struct ipw_softc *sc = arg; 1390145247Sdamien uint32_t r; 1391172567Sthompsa IPW_LOCK_DECL; 1392145247Sdamien 1393172567Sthompsa IPW_LOCK(sc); 1394145247Sdamien 1395191746Sthompsa r = CSR_READ_4(sc, IPW_CSR_INTR); 1396191746Sthompsa if (r == 0 || r == 0xffffffff) 1397191746Sthompsa goto done; 1398145247Sdamien 1399145247Sdamien /* disable interrupts */ 1400145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0); 1401145247Sdamien 1402156599Sdamien /* acknowledge all interrupts */ 1403156599Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR, r); 1404156599Sdamien 1405145247Sdamien if (r & (IPW_INTR_FATAL_ERROR | IPW_INTR_PARITY_ERROR)) { 1406191746Sthompsa ipw_fatal_error_intr(sc); 1407191746Sthompsa goto done; 1408145247Sdamien } 1409145247Sdamien 1410156599Sdamien if (r & IPW_INTR_FW_INIT_DONE) 1411156599Sdamien wakeup(sc); 1412145247Sdamien 1413145247Sdamien if (r & IPW_INTR_RX_TRANSFER) 1414145247Sdamien ipw_rx_intr(sc); 1415145247Sdamien 1416145247Sdamien if (r & IPW_INTR_TX_TRANSFER) 1417145247Sdamien ipw_tx_intr(sc); 1418145247Sdamien 1419145247Sdamien /* re-enable interrupts */ 1420145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK); 1421191746Sthompsadone: 1422172567Sthompsa IPW_UNLOCK(sc); 1423145247Sdamien} 1424145247Sdamien 1425145247Sdamienstatic void 1426145247Sdamienipw_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) 1427145247Sdamien{ 1428145247Sdamien if (error != 0) 1429145247Sdamien return; 1430145247Sdamien 1431145247Sdamien KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 1432145247Sdamien 1433145247Sdamien *(bus_addr_t *)arg = segs[0].ds_addr; 1434145247Sdamien} 1435145247Sdamien 1436172567Sthompsastatic const char * 1437172567Sthompsaipw_cmdname(int cmd) 1438172567Sthompsa{ 1439172567Sthompsa#define N(a) (sizeof(a) / sizeof(a[0])) 1440172567Sthompsa static const struct { 1441172567Sthompsa int cmd; 1442172567Sthompsa const char *name; 1443172567Sthompsa } cmds[] = { 1444172567Sthompsa { IPW_CMD_ADD_MULTICAST, "ADD_MULTICAST" }, 1445172567Sthompsa { IPW_CMD_BROADCAST_SCAN, "BROADCAST_SCAN" }, 1446172567Sthompsa { IPW_CMD_DISABLE, "DISABLE" }, 1447172567Sthompsa { IPW_CMD_DISABLE_PHY, "DISABLE_PHY" }, 1448172567Sthompsa { IPW_CMD_ENABLE, "ENABLE" }, 1449172567Sthompsa { IPW_CMD_PREPARE_POWER_DOWN, "PREPARE_POWER_DOWN" }, 1450172567Sthompsa { IPW_CMD_SET_BASIC_TX_RATES, "SET_BASIC_TX_RATES" }, 1451172567Sthompsa { IPW_CMD_SET_BEACON_INTERVAL, "SET_BEACON_INTERVAL" }, 1452172567Sthompsa { IPW_CMD_SET_CHANNEL, "SET_CHANNEL" }, 1453172567Sthompsa { IPW_CMD_SET_CONFIGURATION, "SET_CONFIGURATION" }, 1454172567Sthompsa { IPW_CMD_SET_DESIRED_BSSID, "SET_DESIRED_BSSID" }, 1455172567Sthompsa { IPW_CMD_SET_ESSID, "SET_ESSID" }, 1456172567Sthompsa { IPW_CMD_SET_FRAG_THRESHOLD, "SET_FRAG_THRESHOLD" }, 1457172567Sthompsa { IPW_CMD_SET_MAC_ADDRESS, "SET_MAC_ADDRESS" }, 1458172567Sthompsa { IPW_CMD_SET_MANDATORY_BSSID, "SET_MANDATORY_BSSID" }, 1459172567Sthompsa { IPW_CMD_SET_MODE, "SET_MODE" }, 1460172567Sthompsa { IPW_CMD_SET_MSDU_TX_RATES, "SET_MSDU_TX_RATES" }, 1461172567Sthompsa { IPW_CMD_SET_POWER_MODE, "SET_POWER_MODE" }, 1462172567Sthompsa { IPW_CMD_SET_RTS_THRESHOLD, "SET_RTS_THRESHOLD" }, 1463172567Sthompsa { IPW_CMD_SET_SCAN_OPTIONS, "SET_SCAN_OPTIONS" }, 1464172567Sthompsa { IPW_CMD_SET_SECURITY_INFO, "SET_SECURITY_INFO" }, 1465172567Sthompsa { IPW_CMD_SET_TX_POWER_INDEX, "SET_TX_POWER_INDEX" }, 1466172567Sthompsa { IPW_CMD_SET_TX_RATES, "SET_TX_RATES" }, 1467172567Sthompsa { IPW_CMD_SET_WEP_FLAGS, "SET_WEP_FLAGS" }, 1468172567Sthompsa { IPW_CMD_SET_WEP_KEY, "SET_WEP_KEY" }, 1469172567Sthompsa { IPW_CMD_SET_WEP_KEY_INDEX, "SET_WEP_KEY_INDEX" }, 1470172567Sthompsa { IPW_CMD_SET_WPA_IE, "SET_WPA_IE" }, 1471172567Sthompsa 1472172567Sthompsa }; 1473172567Sthompsa static char buf[12]; 1474172567Sthompsa int i; 1475172567Sthompsa 1476172567Sthompsa for (i = 0; i < N(cmds); i++) 1477172567Sthompsa if (cmds[i].cmd == cmd) 1478172567Sthompsa return cmds[i].name; 1479172567Sthompsa snprintf(buf, sizeof(buf), "%u", cmd); 1480172567Sthompsa return buf; 1481172567Sthompsa#undef N 1482172567Sthompsa} 1483172567Sthompsa 1484145247Sdamien/* 1485145247Sdamien * Send a command to the firmware and wait for the acknowledgement. 1486145247Sdamien */ 1487145247Sdamienstatic int 1488145247Sdamienipw_cmd(struct ipw_softc *sc, uint32_t type, void *data, uint32_t len) 1489145247Sdamien{ 1490145247Sdamien struct ipw_soft_bd *sbd; 1491145247Sdamien bus_addr_t physaddr; 1492145247Sdamien int error; 1493145247Sdamien 1494178354Ssam IPW_LOCK_ASSERT(sc); 1495178354Ssam 1496172567Sthompsa if (sc->flags & IPW_FLAG_BUSY) { 1497172567Sthompsa device_printf(sc->sc_dev, "%s: %s not sent, busy\n", 1498172567Sthompsa __func__, ipw_cmdname(type)); 1499172567Sthompsa return EAGAIN; 1500172567Sthompsa } 1501172567Sthompsa sc->flags |= IPW_FLAG_BUSY; 1502172567Sthompsa 1503145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1504145247Sdamien 1505145247Sdamien error = bus_dmamap_load(sc->cmd_dmat, sc->cmd_map, &sc->cmd, 1506145247Sdamien sizeof (struct ipw_cmd), ipw_dma_map_addr, &physaddr, 0); 1507145247Sdamien if (error != 0) { 1508145247Sdamien device_printf(sc->sc_dev, "could not map command DMA memory\n"); 1509172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 1510145247Sdamien return error; 1511145247Sdamien } 1512145247Sdamien 1513145247Sdamien sc->cmd.type = htole32(type); 1514145247Sdamien sc->cmd.subtype = 0; 1515145247Sdamien sc->cmd.len = htole32(len); 1516145247Sdamien sc->cmd.seq = 0; 1517152637Sdamien memcpy(sc->cmd.data, data, len); 1518145247Sdamien 1519145247Sdamien sbd->type = IPW_SBD_TYPE_COMMAND; 1520145247Sdamien sbd->bd->physaddr = htole32(physaddr); 1521145247Sdamien sbd->bd->len = htole32(sizeof (struct ipw_cmd)); 1522145247Sdamien sbd->bd->nfrag = 1; 1523145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_COMMAND | 1524145247Sdamien IPW_BD_FLAG_TX_LAST_FRAGMENT; 1525145247Sdamien 1526145247Sdamien bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map, BUS_DMASYNC_PREWRITE); 1527145247Sdamien bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE); 1528145247Sdamien 1529172567Sthompsa#ifdef IPW_DEBUG 1530172567Sthompsa if (ipw_debug >= 4) { 1531172567Sthompsa printf("sending %s(%u, %u, %u, %u)", ipw_cmdname(type), type, 1532172567Sthompsa 0, 0, len); 1533172567Sthompsa /* Print the data buffer in the higher debug level */ 1534172567Sthompsa if (ipw_debug >= 9 && len > 0) { 1535172567Sthompsa printf(" data: 0x"); 1536172567Sthompsa for (int i = 1; i <= len; i++) 1537174269Swkoszek printf("%1D", (u_char *)data + len - i, ""); 1538172567Sthompsa } 1539172567Sthompsa printf("\n"); 1540172567Sthompsa } 1541172567Sthompsa#endif 1542145247Sdamien 1543145247Sdamien /* kick firmware */ 1544145247Sdamien sc->txfree--; 1545145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1546145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 1547145247Sdamien 1548145247Sdamien /* wait at most one second for command to complete */ 1549172567Sthompsa error = msleep(sc, &sc->sc_mtx, 0, "ipwcmd", hz); 1550172567Sthompsa if (error != 0) { 1551172567Sthompsa device_printf(sc->sc_dev, "%s: %s failed, timeout (error %u)\n", 1552172567Sthompsa __func__, ipw_cmdname(type), error); 1553172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 1554172567Sthompsa return (error); 1555172567Sthompsa } 1556172567Sthompsa return (0); 1557145247Sdamien} 1558145247Sdamien 1559145247Sdamienstatic int 1560145247Sdamienipw_tx_start(struct ifnet *ifp, struct mbuf *m0, struct ieee80211_node *ni) 1561145247Sdamien{ 1562145247Sdamien struct ipw_softc *sc = ifp->if_softc; 1563178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1564192468Ssam struct ieee80211vap *vap = ni->ni_vap; 1565145247Sdamien struct ieee80211_frame *wh; 1566145247Sdamien struct ipw_soft_bd *sbd; 1567145247Sdamien struct ipw_soft_hdr *shdr; 1568145247Sdamien struct ipw_soft_buf *sbuf; 1569145247Sdamien struct ieee80211_key *k; 1570145247Sdamien struct mbuf *mnew; 1571145247Sdamien bus_dma_segment_t segs[IPW_MAX_NSEG]; 1572145247Sdamien bus_addr_t physaddr; 1573145247Sdamien int nsegs, error, i; 1574145247Sdamien 1575145247Sdamien wh = mtod(m0, struct ieee80211_frame *); 1576145247Sdamien 1577145247Sdamien if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1578178354Ssam k = ieee80211_crypto_encap(ni, m0); 1579147806Ssam if (k == NULL) { 1580147806Ssam m_freem(m0); 1581145247Sdamien return ENOBUFS; 1582147806Ssam } 1583145247Sdamien /* packet header may have moved, reset our local pointer */ 1584145247Sdamien wh = mtod(m0, struct ieee80211_frame *); 1585145247Sdamien } 1586145247Sdamien 1587192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 1588145247Sdamien struct ipw_tx_radiotap_header *tap = &sc->sc_txtap; 1589145247Sdamien 1590145247Sdamien tap->wt_flags = 0; 1591145247Sdamien 1592192468Ssam ieee80211_radiotap_tx(vap, m0); 1593145247Sdamien } 1594145247Sdamien 1595145247Sdamien shdr = SLIST_FIRST(&sc->free_shdr); 1596145247Sdamien sbuf = SLIST_FIRST(&sc->free_sbuf); 1597145247Sdamien KASSERT(shdr != NULL && sbuf != NULL, ("empty sw hdr/buf pool")); 1598145247Sdamien 1599145247Sdamien shdr->hdr.type = htole32(IPW_HDR_TYPE_SEND); 1600145247Sdamien shdr->hdr.subtype = 0; 1601145247Sdamien shdr->hdr.encrypted = (wh->i_fc[1] & IEEE80211_FC1_WEP) ? 1 : 0; 1602145247Sdamien shdr->hdr.encrypt = 0; 1603145247Sdamien shdr->hdr.keyidx = 0; 1604145247Sdamien shdr->hdr.keysz = 0; 1605145247Sdamien shdr->hdr.fragmentsz = 0; 1606145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.src_addr, wh->i_addr2); 1607145247Sdamien if (ic->ic_opmode == IEEE80211_M_STA) 1608145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr3); 1609145247Sdamien else 1610145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr1); 1611145247Sdamien 1612145247Sdamien /* trim IEEE802.11 header */ 1613145247Sdamien m_adj(m0, sizeof (struct ieee80211_frame)); 1614145247Sdamien 1615145247Sdamien error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0, segs, 1616145247Sdamien &nsegs, 0); 1617145247Sdamien if (error != 0 && error != EFBIG) { 1618145247Sdamien device_printf(sc->sc_dev, "could not map mbuf (error %d)\n", 1619145247Sdamien error); 1620145247Sdamien m_freem(m0); 1621145247Sdamien return error; 1622145247Sdamien } 1623145247Sdamien if (error != 0) { 1624145247Sdamien mnew = m_defrag(m0, M_DONTWAIT); 1625145247Sdamien if (mnew == NULL) { 1626145247Sdamien device_printf(sc->sc_dev, 1627145247Sdamien "could not defragment mbuf\n"); 1628145247Sdamien m_freem(m0); 1629145247Sdamien return ENOBUFS; 1630145247Sdamien } 1631145247Sdamien m0 = mnew; 1632145247Sdamien 1633145247Sdamien error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0, 1634145247Sdamien segs, &nsegs, 0); 1635145247Sdamien if (error != 0) { 1636145247Sdamien device_printf(sc->sc_dev, 1637145247Sdamien "could not map mbuf (error %d)\n", error); 1638145247Sdamien m_freem(m0); 1639145247Sdamien return error; 1640145247Sdamien } 1641145247Sdamien } 1642145247Sdamien 1643145247Sdamien error = bus_dmamap_load(sc->hdr_dmat, shdr->map, &shdr->hdr, 1644145247Sdamien sizeof (struct ipw_hdr), ipw_dma_map_addr, &physaddr, 0); 1645145247Sdamien if (error != 0) { 1646145247Sdamien device_printf(sc->sc_dev, "could not map header DMA memory\n"); 1647145247Sdamien bus_dmamap_unload(sc->txbuf_dmat, sbuf->map); 1648145247Sdamien m_freem(m0); 1649145247Sdamien return error; 1650145247Sdamien } 1651145247Sdamien 1652145247Sdamien SLIST_REMOVE_HEAD(&sc->free_sbuf, next); 1653145247Sdamien SLIST_REMOVE_HEAD(&sc->free_shdr, next); 1654145247Sdamien 1655145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1656145247Sdamien sbd->type = IPW_SBD_TYPE_HEADER; 1657145247Sdamien sbd->priv = shdr; 1658145247Sdamien sbd->bd->physaddr = htole32(physaddr); 1659145247Sdamien sbd->bd->len = htole32(sizeof (struct ipw_hdr)); 1660145247Sdamien sbd->bd->nfrag = 1 + nsegs; 1661145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3 | 1662145247Sdamien IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT; 1663145247Sdamien 1664145247Sdamien DPRINTFN(5, ("sending tx hdr (%u, %u, %u, %u, %6D, %6D)\n", 1665145247Sdamien shdr->hdr.type, shdr->hdr.subtype, shdr->hdr.encrypted, 1666145247Sdamien shdr->hdr.encrypt, shdr->hdr.src_addr, ":", shdr->hdr.dst_addr, 1667145247Sdamien ":")); 1668145247Sdamien 1669145247Sdamien sc->txfree--; 1670145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1671145247Sdamien 1672145247Sdamien sbuf->m = m0; 1673145247Sdamien sbuf->ni = ni; 1674145247Sdamien 1675145247Sdamien for (i = 0; i < nsegs; i++) { 1676145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1677145247Sdamien 1678145247Sdamien sbd->bd->physaddr = htole32(segs[i].ds_addr); 1679145247Sdamien sbd->bd->len = htole32(segs[i].ds_len); 1680145247Sdamien sbd->bd->nfrag = 0; 1681145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3; 1682145247Sdamien if (i == nsegs - 1) { 1683145247Sdamien sbd->type = IPW_SBD_TYPE_DATA; 1684145247Sdamien sbd->priv = sbuf; 1685145247Sdamien sbd->bd->flags |= IPW_BD_FLAG_TX_LAST_FRAGMENT; 1686145247Sdamien } else { 1687145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 1688145247Sdamien sbd->bd->flags |= IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT; 1689145247Sdamien } 1690145247Sdamien 1691172574Sthompsa DPRINTFN(5, ("sending fragment (%d)\n", i)); 1692145247Sdamien 1693145247Sdamien sc->txfree--; 1694145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1695145247Sdamien } 1696145247Sdamien 1697145247Sdamien bus_dmamap_sync(sc->hdr_dmat, shdr->map, BUS_DMASYNC_PREWRITE); 1698145247Sdamien bus_dmamap_sync(sc->txbuf_dmat, sbuf->map, BUS_DMASYNC_PREWRITE); 1699145247Sdamien bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE); 1700145247Sdamien 1701145247Sdamien /* kick firmware */ 1702145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 1703145247Sdamien 1704145247Sdamien return 0; 1705145247Sdamien} 1706145247Sdamien 1707178354Ssamstatic int 1708178354Ssamipw_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 1709178354Ssam const struct ieee80211_bpf_params *params) 1710178354Ssam{ 1711178354Ssam /* no support; just discard */ 1712178354Ssam m_freem(m); 1713178354Ssam ieee80211_free_node(ni); 1714178354Ssam return 0; 1715178354Ssam} 1716178354Ssam 1717145247Sdamienstatic void 1718145247Sdamienipw_start(struct ifnet *ifp) 1719145247Sdamien{ 1720145247Sdamien struct ipw_softc *sc = ifp->if_softc; 1721172567Sthompsa IPW_LOCK_DECL; 1722172567Sthompsa 1723172567Sthompsa IPW_LOCK(sc); 1724172567Sthompsa ipw_start_locked(ifp); 1725172567Sthompsa IPW_UNLOCK(sc); 1726172567Sthompsa} 1727172567Sthompsa 1728172567Sthompsastatic void 1729172567Sthompsaipw_start_locked(struct ifnet *ifp) 1730172567Sthompsa{ 1731172567Sthompsa struct ipw_softc *sc = ifp->if_softc; 1732145247Sdamien struct ieee80211_node *ni; 1733178354Ssam struct mbuf *m; 1734145247Sdamien 1735172567Sthompsa IPW_LOCK_ASSERT(sc); 1736145247Sdamien 1737145247Sdamien for (;;) { 1738178354Ssam IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 1739178354Ssam if (m == NULL) 1740145247Sdamien break; 1741145247Sdamien if (sc->txfree < 1 + IPW_MAX_NSEG) { 1742178354Ssam IFQ_DRV_PREPEND(&ifp->if_snd, m); 1743148887Srwatson ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1744145247Sdamien break; 1745145247Sdamien } 1746178354Ssam ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; 1747178354Ssam if (ipw_tx_start(ifp, m, ni) != 0) { 1748145247Sdamien ieee80211_free_node(ni); 1749145247Sdamien ifp->if_oerrors++; 1750145247Sdamien break; 1751145247Sdamien } 1752145247Sdamien /* start watchdog timer */ 1753145247Sdamien sc->sc_tx_timer = 5; 1754145247Sdamien } 1755145247Sdamien} 1756145247Sdamien 1757145247Sdamienstatic void 1758172567Sthompsaipw_watchdog(void *arg) 1759145247Sdamien{ 1760172567Sthompsa struct ipw_softc *sc = arg; 1761172567Sthompsa struct ifnet *ifp = sc->sc_ifp; 1762178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1763145247Sdamien 1764172567Sthompsa IPW_LOCK_ASSERT(sc); 1765156599Sdamien 1766145247Sdamien if (sc->sc_tx_timer > 0) { 1767145247Sdamien if (--sc->sc_tx_timer == 0) { 1768145247Sdamien if_printf(ifp, "device timeout\n"); 1769145247Sdamien ifp->if_oerrors++; 1770178354Ssam taskqueue_enqueue(taskqueue_swi, &sc->sc_init_task); 1771145247Sdamien } 1772145247Sdamien } 1773172567Sthompsa if (sc->sc_scan_timer > 0) { 1774172567Sthompsa if (--sc->sc_scan_timer == 0) { 1775172567Sthompsa DPRINTFN(3, ("Scan timeout\n")); 1776172567Sthompsa /* End the scan */ 1777172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) { 1778178354Ssam ieee80211_scan_done(TAILQ_FIRST(&ic->ic_vaps)); 1779172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 1780172567Sthompsa } 1781172567Sthompsa } 1782172567Sthompsa } 1783172567Sthompsa if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1784172567Sthompsa callout_reset(&sc->sc_wdtimer, hz, ipw_watchdog, sc); 1785145247Sdamien} 1786145247Sdamien 1787145247Sdamienstatic int 1788145247Sdamienipw_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1789145247Sdamien{ 1790145247Sdamien struct ipw_softc *sc = ifp->if_softc; 1791178354Ssam struct ieee80211com *ic = ifp->if_l2com; 1792178354Ssam struct ifreq *ifr = (struct ifreq *) data; 1793178354Ssam int error = 0, startall = 0; 1794172567Sthompsa IPW_LOCK_DECL; 1795145247Sdamien 1796145247Sdamien switch (cmd) { 1797145247Sdamien case SIOCSIFFLAGS: 1798178704Sthompsa IPW_LOCK(sc); 1799145247Sdamien if (ifp->if_flags & IFF_UP) { 1800178354Ssam if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1801178354Ssam ipw_init_locked(sc); 1802178354Ssam startall = 1; 1803178354Ssam } 1804145247Sdamien } else { 1805148887Srwatson if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1806172567Sthompsa ipw_stop_locked(sc); 1807145247Sdamien } 1808178704Sthompsa IPW_UNLOCK(sc); 1809178704Sthompsa if (startall) 1810178704Sthompsa ieee80211_start_all(ic); 1811145247Sdamien break; 1812178354Ssam case SIOCGIFMEDIA: 1813178354Ssam error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 1814178354Ssam break; 1815178704Sthompsa case SIOCGIFADDR: 1816178704Sthompsa error = ether_ioctl(ifp, cmd, data); 1817178704Sthompsa break; 1818145247Sdamien default: 1819178704Sthompsa error = EINVAL; 1820178704Sthompsa break; 1821145247Sdamien } 1822145247Sdamien return error; 1823145247Sdamien} 1824145247Sdamien 1825145247Sdamienstatic void 1826145247Sdamienipw_stop_master(struct ipw_softc *sc) 1827145247Sdamien{ 1828156599Sdamien uint32_t tmp; 1829145247Sdamien int ntries; 1830145247Sdamien 1831145247Sdamien /* disable interrupts */ 1832145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0); 1833145247Sdamien 1834145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_STOP_MASTER); 1835145247Sdamien for (ntries = 0; ntries < 50; ntries++) { 1836145247Sdamien if (CSR_READ_4(sc, IPW_CSR_RST) & IPW_RST_MASTER_DISABLED) 1837145247Sdamien break; 1838145247Sdamien DELAY(10); 1839145247Sdamien } 1840145247Sdamien if (ntries == 50) 1841145247Sdamien device_printf(sc->sc_dev, "timeout waiting for master\n"); 1842145247Sdamien 1843156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_RST); 1844156599Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_PRINCETON_RESET); 1845145247Sdamien 1846172567Sthompsa /* Clear all flags except the following */ 1847172567Sthompsa sc->flags &= IPW_FLAG_HAS_RADIO_SWITCH; 1848145247Sdamien} 1849145247Sdamien 1850145247Sdamienstatic int 1851145247Sdamienipw_reset(struct ipw_softc *sc) 1852145247Sdamien{ 1853156599Sdamien uint32_t tmp; 1854145247Sdamien int ntries; 1855145247Sdamien 1856145247Sdamien ipw_stop_master(sc); 1857145247Sdamien 1858145247Sdamien /* move adapter to D0 state */ 1859156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1860156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_INIT); 1861145247Sdamien 1862145247Sdamien /* wait for clock stabilization */ 1863145247Sdamien for (ntries = 0; ntries < 1000; ntries++) { 1864145247Sdamien if (CSR_READ_4(sc, IPW_CSR_CTL) & IPW_CTL_CLOCK_READY) 1865145247Sdamien break; 1866145247Sdamien DELAY(200); 1867145247Sdamien } 1868145247Sdamien if (ntries == 1000) 1869145247Sdamien return EIO; 1870145247Sdamien 1871156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_RST); 1872156599Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_SW_RESET); 1873145247Sdamien 1874145247Sdamien DELAY(10); 1875145247Sdamien 1876156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1877156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_INIT); 1878145247Sdamien 1879145247Sdamien return 0; 1880145247Sdamien} 1881145247Sdamien 1882172567Sthompsastatic int 1883172567Sthompsaipw_waitfordisable(struct ipw_softc *sc, int waitfor) 1884172567Sthompsa{ 1885172567Sthompsa int ms = hz < 1000 ? 1 : hz/10; 1886172567Sthompsa int i, error; 1887172567Sthompsa 1888172567Sthompsa for (i = 0; i < 100; i++) { 1889172567Sthompsa if (ipw_read_table1(sc, IPW_INFO_CARD_DISABLED) == waitfor) 1890172567Sthompsa return 0; 1891172567Sthompsa error = msleep(sc, &sc->sc_mtx, PCATCH, __func__, ms); 1892172567Sthompsa if (error == 0 || error != EWOULDBLOCK) 1893172567Sthompsa return 0; 1894172567Sthompsa } 1895172567Sthompsa DPRINTF(("%s: timeout waiting for %s\n", 1896172567Sthompsa __func__, waitfor ? "disable" : "enable")); 1897172567Sthompsa return ETIMEDOUT; 1898172567Sthompsa} 1899172567Sthompsa 1900172567Sthompsastatic int 1901172567Sthompsaipw_enable(struct ipw_softc *sc) 1902172567Sthompsa{ 1903172567Sthompsa int error; 1904172567Sthompsa 1905172567Sthompsa if ((sc->flags & IPW_FLAG_ENABLED) == 0) { 1906172567Sthompsa DPRINTF(("Enable adapter\n")); 1907172567Sthompsa error = ipw_cmd(sc, IPW_CMD_ENABLE, NULL, 0); 1908172567Sthompsa if (error != 0) 1909172567Sthompsa return error; 1910172567Sthompsa error = ipw_waitfordisable(sc, 0); 1911172567Sthompsa if (error != 0) 1912172567Sthompsa return error; 1913172567Sthompsa sc->flags |= IPW_FLAG_ENABLED; 1914172567Sthompsa } 1915172567Sthompsa return 0; 1916172567Sthompsa} 1917172567Sthompsa 1918172567Sthompsastatic int 1919172567Sthompsaipw_disable(struct ipw_softc *sc) 1920172567Sthompsa{ 1921172567Sthompsa int error; 1922172567Sthompsa 1923172567Sthompsa if (sc->flags & IPW_FLAG_ENABLED) { 1924172567Sthompsa DPRINTF(("Disable adapter\n")); 1925172567Sthompsa error = ipw_cmd(sc, IPW_CMD_DISABLE, NULL, 0); 1926172567Sthompsa if (error != 0) 1927172567Sthompsa return error; 1928172567Sthompsa error = ipw_waitfordisable(sc, 1); 1929172567Sthompsa if (error != 0) 1930172567Sthompsa return error; 1931172567Sthompsa sc->flags &= ~IPW_FLAG_ENABLED; 1932172567Sthompsa } 1933172567Sthompsa return 0; 1934172567Sthompsa} 1935172567Sthompsa 1936145247Sdamien/* 1937145247Sdamien * Upload the microcode to the device. 1938145247Sdamien */ 1939145247Sdamienstatic int 1940156599Sdamienipw_load_ucode(struct ipw_softc *sc, const char *uc, int size) 1941145247Sdamien{ 1942145247Sdamien int ntries; 1943145247Sdamien 1944145247Sdamien MEM_WRITE_4(sc, 0x3000e0, 0x80000000); 1945145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, 0); 1946145247Sdamien 1947145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0703); 1948145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0707); 1949145247Sdamien 1950145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1951145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1952145247Sdamien 1953145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x40); 1954145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1955145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x40); 1956145247Sdamien 1957145247Sdamien MEM_WRITE_MULTI_1(sc, 0x210010, uc, size); 1958145247Sdamien 1959145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1960145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1961145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x80); 1962145247Sdamien 1963145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0703); 1964145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0707); 1965145247Sdamien 1966145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1967145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1968145247Sdamien 1969145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1970145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x80); 1971145247Sdamien 1972145247Sdamien for (ntries = 0; ntries < 10; ntries++) { 1973145247Sdamien if (MEM_READ_1(sc, 0x210000) & 1) 1974145247Sdamien break; 1975145247Sdamien DELAY(10); 1976145247Sdamien } 1977145247Sdamien if (ntries == 10) { 1978145247Sdamien device_printf(sc->sc_dev, 1979145247Sdamien "timeout waiting for ucode to initialize\n"); 1980145247Sdamien return EIO; 1981145247Sdamien } 1982145247Sdamien 1983145247Sdamien MEM_WRITE_4(sc, 0x3000e0, 0); 1984145247Sdamien 1985145247Sdamien return 0; 1986145247Sdamien} 1987145247Sdamien 1988145247Sdamien/* set of macros to handle unaligned little endian data in firmware image */ 1989145247Sdamien#define GETLE32(p) ((p)[0] | (p)[1] << 8 | (p)[2] << 16 | (p)[3] << 24) 1990145247Sdamien#define GETLE16(p) ((p)[0] | (p)[1] << 8) 1991145247Sdamienstatic int 1992156599Sdamienipw_load_firmware(struct ipw_softc *sc, const char *fw, int size) 1993145247Sdamien{ 1994156599Sdamien const uint8_t *p, *end; 1995156599Sdamien uint32_t tmp, dst; 1996145247Sdamien uint16_t len; 1997145247Sdamien int error; 1998145247Sdamien 1999145247Sdamien p = fw; 2000145247Sdamien end = fw + size; 2001145247Sdamien while (p < end) { 2002145247Sdamien dst = GETLE32(p); p += 4; 2003145247Sdamien len = GETLE16(p); p += 2; 2004145247Sdamien 2005145247Sdamien ipw_write_mem_1(sc, dst, p, len); 2006145247Sdamien p += len; 2007145247Sdamien } 2008145247Sdamien 2009145247Sdamien CSR_WRITE_4(sc, IPW_CSR_IO, IPW_IO_GPIO1_ENABLE | IPW_IO_GPIO3_MASK | 2010145247Sdamien IPW_IO_LED_OFF); 2011145247Sdamien 2012145247Sdamien /* enable interrupts */ 2013145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK); 2014145247Sdamien 2015145247Sdamien /* kick the firmware */ 2016145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, 0); 2017145247Sdamien 2018156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 2019156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_ALLOW_STANDBY); 2020145247Sdamien 2021145247Sdamien /* wait at most one second for firmware initialization to complete */ 2022145247Sdamien if ((error = msleep(sc, &sc->sc_mtx, 0, "ipwinit", hz)) != 0) { 2023145247Sdamien device_printf(sc->sc_dev, "timeout waiting for firmware " 2024145247Sdamien "initialization to complete\n"); 2025145247Sdamien return error; 2026145247Sdamien } 2027145247Sdamien 2028156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_IO); 2029156599Sdamien CSR_WRITE_4(sc, IPW_CSR_IO, tmp | IPW_IO_GPIO1_MASK | 2030156599Sdamien IPW_IO_GPIO3_MASK); 2031145247Sdamien 2032145247Sdamien return 0; 2033145247Sdamien} 2034145247Sdamien 2035145247Sdamienstatic int 2036172567Sthompsaipw_setwepkeys(struct ipw_softc *sc) 2037172567Sthompsa{ 2038178354Ssam struct ifnet *ifp = sc->sc_ifp; 2039178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2040178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2041172567Sthompsa struct ipw_wep_key wepkey; 2042172567Sthompsa struct ieee80211_key *wk; 2043172567Sthompsa int error, i; 2044172567Sthompsa 2045172567Sthompsa for (i = 0; i < IEEE80211_WEP_NKID; i++) { 2046178354Ssam wk = &vap->iv_nw_keys[i]; 2047172567Sthompsa 2048172567Sthompsa if (wk->wk_cipher == NULL || 2049172567Sthompsa wk->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP) 2050172567Sthompsa continue; 2051172567Sthompsa 2052172567Sthompsa wepkey.idx = i; 2053172567Sthompsa wepkey.len = wk->wk_keylen; 2054172567Sthompsa memset(wepkey.key, 0, sizeof wepkey.key); 2055172567Sthompsa memcpy(wepkey.key, wk->wk_key, wk->wk_keylen); 2056172567Sthompsa DPRINTF(("Setting wep key index %u len %u\n", wepkey.idx, 2057172567Sthompsa wepkey.len)); 2058172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY, &wepkey, 2059172567Sthompsa sizeof wepkey); 2060172567Sthompsa if (error != 0) 2061172567Sthompsa return error; 2062172567Sthompsa } 2063172567Sthompsa return 0; 2064172567Sthompsa} 2065172567Sthompsa 2066172567Sthompsastatic int 2067172567Sthompsaipw_setwpaie(struct ipw_softc *sc, const void *ie, int ielen) 2068172567Sthompsa{ 2069172567Sthompsa struct ipw_wpa_ie wpaie; 2070172567Sthompsa 2071172567Sthompsa memset(&wpaie, 0, sizeof(wpaie)); 2072172567Sthompsa wpaie.len = htole32(ielen); 2073172567Sthompsa /* XXX verify length */ 2074172567Sthompsa memcpy(&wpaie.ie, ie, ielen); 2075172567Sthompsa DPRINTF(("Setting WPA IE\n")); 2076172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_WPA_IE, &wpaie, sizeof(wpaie)); 2077172567Sthompsa} 2078172567Sthompsa 2079172567Sthompsastatic int 2080172567Sthompsaipw_setbssid(struct ipw_softc *sc, uint8_t *bssid) 2081172567Sthompsa{ 2082172567Sthompsa static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 2083172567Sthompsa 2084172567Sthompsa if (bssid == NULL || bcmp(bssid, zerobssid, IEEE80211_ADDR_LEN) == 0) { 2085172567Sthompsa DPRINTF(("Setting mandatory BSSID to null\n")); 2086172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID, NULL, 0); 2087172567Sthompsa } else { 2088172567Sthompsa DPRINTF(("Setting mandatory BSSID to %6D\n", bssid, ":")); 2089172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID, 2090172567Sthompsa bssid, IEEE80211_ADDR_LEN); 2091172567Sthompsa } 2092172567Sthompsa} 2093172567Sthompsa 2094172567Sthompsastatic int 2095172567Sthompsaipw_setssid(struct ipw_softc *sc, void *ssid, size_t ssidlen) 2096172567Sthompsa{ 2097172567Sthompsa if (ssidlen == 0) { 2098172567Sthompsa /* 2099172567Sthompsa * A bug in the firmware breaks the ``don't associate'' 2100172567Sthompsa * bit in the scan options command. To compensate for 2101172567Sthompsa * this install a bogus ssid when no ssid is specified 2102172567Sthompsa * so the firmware won't try to associate. 2103172567Sthompsa */ 2104172567Sthompsa DPRINTF(("Setting bogus ESSID to WAR firmware bug\n")); 2105172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_ESSID, 2106172567Sthompsa "\x18\x19\x20\x21\x22\x23\x24\x25\x26\x27" 2107172567Sthompsa "\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f\x30\x31" 2108172567Sthompsa "\x32\x33\x34\x35\x36\x37\x38\x39\x3a\x3b" 2109172567Sthompsa "\x3c\x3d", IEEE80211_NWID_LEN); 2110172567Sthompsa } else { 2111172567Sthompsa#ifdef IPW_DEBUG 2112172567Sthompsa if (ipw_debug > 0) { 2113172567Sthompsa printf("Setting ESSID to "); 2114172567Sthompsa ieee80211_print_essid(ssid, ssidlen); 2115172567Sthompsa printf("\n"); 2116172567Sthompsa } 2117172567Sthompsa#endif 2118172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_ESSID, ssid, ssidlen); 2119172567Sthompsa } 2120172567Sthompsa} 2121172567Sthompsa 2122172567Sthompsastatic int 2123172567Sthompsaipw_setscanopts(struct ipw_softc *sc, uint32_t chanmask, uint32_t flags) 2124172567Sthompsa{ 2125172567Sthompsa struct ipw_scan_options opts; 2126172567Sthompsa 2127172567Sthompsa DPRINTF(("Scan options: mask 0x%x flags 0x%x\n", chanmask, flags)); 2128172567Sthompsa opts.channels = htole32(chanmask); 2129172567Sthompsa opts.flags = htole32(flags); 2130172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_SCAN_OPTIONS, &opts, sizeof(opts)); 2131172567Sthompsa} 2132172567Sthompsa 2133172567Sthompsastatic int 2134172567Sthompsaipw_scan(struct ipw_softc *sc) 2135172567Sthompsa{ 2136172567Sthompsa uint32_t params; 2137172567Sthompsa int error; 2138172567Sthompsa 2139172567Sthompsa DPRINTF(("%s: flags 0x%x\n", __func__, sc->flags)); 2140172567Sthompsa 2141172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) 2142172567Sthompsa return (EBUSY); 2143172567Sthompsa sc->flags |= IPW_FLAG_SCANNING | IPW_FLAG_HACK; 2144172567Sthompsa 2145172567Sthompsa /* NB: IPW_SCAN_DO_NOT_ASSOCIATE does not work (we set it anyway) */ 2146172567Sthompsa error = ipw_setscanopts(sc, 0x3fff, IPW_SCAN_DO_NOT_ASSOCIATE); 2147172567Sthompsa if (error != 0) 2148172567Sthompsa goto done; 2149172567Sthompsa 2150172567Sthompsa /* 2151172567Sthompsa * Setup null/bogus ssid so firmware doesn't use any previous 2152172567Sthompsa * ssid to try and associate. This is because the ``don't 2153172567Sthompsa * associate'' option bit is broken (sigh). 2154172567Sthompsa */ 2155172567Sthompsa error = ipw_setssid(sc, NULL, 0); 2156172567Sthompsa if (error != 0) 2157172567Sthompsa goto done; 2158172567Sthompsa 2159172567Sthompsa /* 2160172567Sthompsa * NB: the adapter may be disabled on association lost; 2161172567Sthompsa * if so just re-enable it to kick off scanning. 2162172567Sthompsa */ 2163172567Sthompsa DPRINTF(("Starting scan\n")); 2164172567Sthompsa sc->sc_scan_timer = 3; 2165172567Sthompsa if (sc->flags & IPW_FLAG_ENABLED) { 2166172567Sthompsa params = 0; /* XXX? */ 2167172567Sthompsa error = ipw_cmd(sc, IPW_CMD_BROADCAST_SCAN, 2168172567Sthompsa ¶ms, sizeof(params)); 2169172567Sthompsa } else 2170172567Sthompsa error = ipw_enable(sc); 2171172567Sthompsadone: 2172172567Sthompsa if (error != 0) { 2173172567Sthompsa DPRINTF(("Scan failed\n")); 2174172567Sthompsa sc->flags &= ~(IPW_FLAG_SCANNING | IPW_FLAG_HACK); 2175172567Sthompsa } 2176172567Sthompsa return (error); 2177172567Sthompsa} 2178172567Sthompsa 2179172567Sthompsastatic int 2180172567Sthompsaipw_setchannel(struct ipw_softc *sc, struct ieee80211_channel *chan) 2181172567Sthompsa{ 2182178354Ssam struct ifnet *ifp = sc->sc_ifp; 2183178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2184172567Sthompsa uint32_t data; 2185172567Sthompsa int error; 2186172567Sthompsa 2187172567Sthompsa data = htole32(ieee80211_chan2ieee(ic, chan)); 2188172567Sthompsa DPRINTF(("Setting channel to %u\n", le32toh(data))); 2189172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_CHANNEL, &data, sizeof data); 2190172567Sthompsa if (error == 0) 2191172567Sthompsa ipw_setcurchan(sc, chan); 2192172567Sthompsa return error; 2193172567Sthompsa} 2194172567Sthompsa 2195178354Ssamstatic void 2196191746Sthompsaipw_assoc(struct ieee80211com *ic, struct ieee80211vap *vap) 2197145247Sdamien{ 2198178354Ssam struct ifnet *ifp = vap->iv_ic->ic_ifp; 2199178354Ssam struct ipw_softc *sc = ifp->if_softc; 2200178354Ssam struct ieee80211_node *ni = vap->iv_bss; 2201145247Sdamien struct ipw_security security; 2202145247Sdamien uint32_t data; 2203172567Sthompsa int error; 2204178354Ssam IPW_LOCK_DECL; 2205145247Sdamien 2206178354Ssam IPW_LOCK(sc); 2207172567Sthompsa error = ipw_disable(sc); 2208172567Sthompsa if (error != 0) 2209178354Ssam goto done; 2210172567Sthompsa 2211152637Sdamien memset(&security, 0, sizeof security); 2212178354Ssam security.authmode = (ni->ni_authmode == IEEE80211_AUTH_SHARED) ? 2213145247Sdamien IPW_AUTH_SHARED : IPW_AUTH_OPEN; 2214145247Sdamien security.ciphers = htole32(IPW_CIPHER_NONE); 2215145247Sdamien DPRINTF(("Setting authmode to %u\n", security.authmode)); 2216172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_SECURITY_INFO, &security, 2217145247Sdamien sizeof security); 2218145247Sdamien if (error != 0) 2219178354Ssam goto done; 2220145247Sdamien 2221178354Ssam data = htole32(vap->iv_rtsthreshold); 2222178354Ssam DPRINTF(("Setting RTS threshold to %u\n", le32toh(data))); 2223178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_RTS_THRESHOLD, &data, sizeof data); 2224145247Sdamien if (error != 0) 2225178354Ssam goto done; 2226145247Sdamien 2227178354Ssam data = htole32(vap->iv_fragthreshold); 2228178354Ssam DPRINTF(("Setting frag threshold to %u\n", le32toh(data))); 2229178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_FRAG_THRESHOLD, &data, sizeof data); 2230145247Sdamien if (error != 0) 2231178354Ssam goto done; 2232145247Sdamien 2233178354Ssam if (vap->iv_flags & IEEE80211_F_PRIVACY) { 2234172567Sthompsa error = ipw_setwepkeys(sc); 2235172567Sthompsa if (error != 0) 2236178354Ssam goto done; 2237172567Sthompsa 2238178354Ssam if (vap->iv_def_txkey != IEEE80211_KEYIX_NONE) { 2239178354Ssam data = htole32(vap->iv_def_txkey); 2240172567Sthompsa DPRINTF(("Setting wep tx key index to %u\n", 2241172567Sthompsa le32toh(data))); 2242172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY_INDEX, &data, 2243172567Sthompsa sizeof data); 2244172567Sthompsa if (error != 0) 2245178354Ssam goto done; 2246172567Sthompsa } 2247172567Sthompsa } 2248172567Sthompsa 2249178354Ssam data = htole32((vap->iv_flags & IEEE80211_F_PRIVACY) ? IPW_WEPON : 0); 2250172567Sthompsa DPRINTF(("Setting wep flags to 0x%x\n", le32toh(data))); 2251172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_FLAGS, &data, sizeof data); 2252172567Sthompsa if (error != 0) 2253178354Ssam goto done; 2254172567Sthompsa 2255172567Sthompsa error = ipw_setssid(sc, ni->ni_essid, ni->ni_esslen); 2256172567Sthompsa if (error != 0) 2257178354Ssam goto done; 2258172567Sthompsa 2259172567Sthompsa error = ipw_setbssid(sc, ni->ni_bssid); 2260172567Sthompsa if (error != 0) 2261178354Ssam goto done; 2262172567Sthompsa 2263178354Ssam if (vap->iv_appie_assocreq != NULL) { 2264178354Ssam struct ieee80211_appie *ie = vap->iv_appie_assocreq; 2265178354Ssam error = ipw_setwpaie(sc, ie->ie_data, ie->ie_len); 2266172567Sthompsa if (error != 0) 2267178354Ssam goto done; 2268172567Sthompsa } 2269172567Sthompsa if (ic->ic_opmode == IEEE80211_M_IBSS) { 2270172567Sthompsa error = ipw_setchannel(sc, ni->ni_chan); 2271172567Sthompsa if (error != 0) 2272178354Ssam goto done; 2273172567Sthompsa } 2274172567Sthompsa 2275172567Sthompsa /* lock scan to ap's channel and enable associate */ 2276172567Sthompsa error = ipw_setscanopts(sc, 2277178354Ssam 1<<(ieee80211_chan2ieee(ic, ni->ni_chan)-1), 0); 2278178354Ssam if (error != 0) 2279178354Ssam goto done; 2280172567Sthompsa 2281178354Ssam error = ipw_enable(sc); /* finally, enable adapter */ 2282178354Ssam if (error == 0) 2283178354Ssam sc->flags |= IPW_FLAG_ASSOCIATING; 2284178354Ssamdone: 2285178354Ssam IPW_UNLOCK(sc); 2286172567Sthompsa} 2287172567Sthompsa 2288172567Sthompsastatic void 2289191746Sthompsaipw_disassoc(struct ieee80211com *ic, struct ieee80211vap *vap) 2290172567Sthompsa{ 2291178354Ssam struct ifnet *ifp = vap->iv_ic->ic_ifp; 2292178354Ssam struct ieee80211_node *ni = vap->iv_bss; 2293178354Ssam struct ipw_softc *sc = ifp->if_softc; 2294172567Sthompsa IPW_LOCK_DECL; 2295172567Sthompsa 2296172567Sthompsa IPW_LOCK(sc); 2297172567Sthompsa DPRINTF(("Disassociate from %6D\n", ni->ni_bssid, ":")); 2298172567Sthompsa /* 2299172567Sthompsa * NB: don't try to do this if ipw_stop_master has 2300172567Sthompsa * shutdown the firmware and disabled interrupts. 2301172567Sthompsa */ 2302178354Ssam if (sc->flags & IPW_FLAG_FW_INITED) { 2303178354Ssam sc->flags &= ~IPW_FLAG_ASSOCIATED; 2304178354Ssam /* 2305178354Ssam * NB: firmware currently ignores bssid parameter, but 2306178354Ssam * supply it in case this changes (follow linux driver). 2307178354Ssam */ 2308178354Ssam (void) ipw_cmd(sc, IPW_CMD_DISASSOCIATE, 2309178354Ssam ni->ni_bssid, IEEE80211_ADDR_LEN); 2310178354Ssam } 2311178354Ssam IPW_UNLOCK(sc); 2312172567Sthompsa} 2313172567Sthompsa 2314172567Sthompsa/* 2315156599Sdamien * Handler for sc_init_task. This is a simple wrapper around ipw_init(). 2316156599Sdamien * It is called on firmware panics or on watchdog timeouts. 2317156599Sdamien */ 2318145247Sdamienstatic void 2319156599Sdamienipw_init_task(void *context, int pending) 2320156599Sdamien{ 2321156599Sdamien ipw_init(context); 2322156599Sdamien} 2323156599Sdamien 2324156599Sdamienstatic void 2325145247Sdamienipw_init(void *priv) 2326145247Sdamien{ 2327145247Sdamien struct ipw_softc *sc = priv; 2328178354Ssam struct ifnet *ifp = sc->sc_ifp; 2329178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2330172567Sthompsa IPW_LOCK_DECL; 2331172567Sthompsa 2332172567Sthompsa IPW_LOCK(sc); 2333178354Ssam ipw_init_locked(sc); 2334172567Sthompsa IPW_UNLOCK(sc); 2335178354Ssam 2336178931Sthompsa if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2337178931Sthompsa ieee80211_start_all(ic); /* start all vap's */ 2338172567Sthompsa} 2339172567Sthompsa 2340172567Sthompsastatic void 2341178354Ssamipw_init_locked(struct ipw_softc *sc) 2342172567Sthompsa{ 2343178354Ssam struct ifnet *ifp = sc->sc_ifp; 2344178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2345178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2346166756Sluigi const struct firmware *fp; 2347156599Sdamien const struct ipw_firmware_hdr *hdr; 2348178354Ssam const char *fw; 2349145247Sdamien 2350172567Sthompsa IPW_LOCK_ASSERT(sc); 2351156599Sdamien 2352172567Sthompsa DPRINTF(("%s: state %s flags 0x%x\n", __func__, 2353178354Ssam ieee80211_state_name[vap->iv_state], sc->flags)); 2354172567Sthompsa 2355156599Sdamien /* 2356156599Sdamien * Avoid re-entrant calls. We need to release the mutex in ipw_init() 2357156599Sdamien * when loading the firmware and we don't want to be called during this 2358156599Sdamien * operation. 2359156599Sdamien */ 2360172567Sthompsa if (sc->flags & IPW_FLAG_INIT_LOCKED) 2361145247Sdamien return; 2362156599Sdamien sc->flags |= IPW_FLAG_INIT_LOCKED; 2363145247Sdamien 2364172567Sthompsa ipw_stop_locked(sc); 2365145247Sdamien 2366145247Sdamien if (ipw_reset(sc) != 0) { 2367145247Sdamien device_printf(sc->sc_dev, "could not reset adapter\n"); 2368178354Ssam goto fail; 2369145247Sdamien } 2370145247Sdamien 2371159487Siedowse if (sc->sc_firmware == NULL) { 2372178354Ssam device_printf(sc->sc_dev, "no firmware\n"); 2373178354Ssam goto fail; 2374156599Sdamien } 2375178354Ssam /* NB: consistency already checked on load */ 2376159487Siedowse fp = sc->sc_firmware; 2377156599Sdamien hdr = (const struct ipw_firmware_hdr *)fp->data; 2378156599Sdamien 2379178354Ssam DPRINTF(("Loading firmware image '%s'\n", fp->name)); 2380156599Sdamien fw = (const char *)fp->data + sizeof *hdr + le32toh(hdr->mainsz); 2381156599Sdamien if (ipw_load_ucode(sc, fw, le32toh(hdr->ucodesz)) != 0) { 2382145247Sdamien device_printf(sc->sc_dev, "could not load microcode\n"); 2383178354Ssam goto fail; 2384145247Sdamien } 2385145247Sdamien 2386145247Sdamien ipw_stop_master(sc); 2387145247Sdamien 2388145247Sdamien /* 2389145247Sdamien * Setup tx, rx and status rings. 2390145247Sdamien */ 2391145247Sdamien sc->txold = IPW_NTBD - 1; 2392145247Sdamien sc->txcur = 0; 2393145247Sdamien sc->txfree = IPW_NTBD - 2; 2394145247Sdamien sc->rxcur = IPW_NRBD - 1; 2395145247Sdamien 2396145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_BASE, sc->tbd_phys); 2397145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_SIZE, IPW_NTBD); 2398145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_READ, 0); 2399145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 2400145247Sdamien 2401145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_BASE, sc->rbd_phys); 2402145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_SIZE, IPW_NRBD); 2403145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_READ, 0); 2404145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_WRITE, sc->rxcur); 2405145247Sdamien 2406145247Sdamien CSR_WRITE_4(sc, IPW_CSR_STATUS_BASE, sc->status_phys); 2407145247Sdamien 2408156599Sdamien fw = (const char *)fp->data + sizeof *hdr; 2409156599Sdamien if (ipw_load_firmware(sc, fw, le32toh(hdr->mainsz)) != 0) { 2410145247Sdamien device_printf(sc->sc_dev, "could not load firmware\n"); 2411178354Ssam goto fail; 2412145247Sdamien } 2413145247Sdamien 2414145247Sdamien sc->flags |= IPW_FLAG_FW_INITED; 2415145247Sdamien 2416145247Sdamien /* retrieve information tables base addresses */ 2417145247Sdamien sc->table1_base = CSR_READ_4(sc, IPW_CSR_TABLE1_BASE); 2418145247Sdamien sc->table2_base = CSR_READ_4(sc, IPW_CSR_TABLE2_BASE); 2419145247Sdamien 2420145247Sdamien ipw_write_table1(sc, IPW_INFO_LOCK, 0); 2421145247Sdamien 2422145247Sdamien if (ipw_config(sc) != 0) { 2423145247Sdamien device_printf(sc->sc_dev, "device configuration failed\n"); 2424178354Ssam goto fail; 2425145247Sdamien } 2426145247Sdamien 2427172567Sthompsa callout_reset(&sc->sc_wdtimer, hz, ipw_watchdog, sc); 2428148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2429148887Srwatson ifp->if_drv_flags |= IFF_DRV_RUNNING; 2430145247Sdamien 2431156599Sdamien sc->flags &=~ IPW_FLAG_INIT_LOCKED; 2432145247Sdamien return; 2433145247Sdamien 2434178354Ssamfail: 2435172567Sthompsa ipw_stop_locked(sc); 2436156599Sdamien sc->flags &=~ IPW_FLAG_INIT_LOCKED; 2437145247Sdamien} 2438145247Sdamien 2439178354Ssamstatic int 2440178354Ssamipw_config(struct ipw_softc *sc) 2441178354Ssam{ 2442178354Ssam struct ifnet *ifp = sc->sc_ifp; 2443178354Ssam struct ieee80211com *ic = ifp->if_l2com; 2444178354Ssam struct ipw_configuration config; 2445178354Ssam uint32_t data; 2446178354Ssam int error; 2447178354Ssam 2448178354Ssam error = ipw_disable(sc); 2449178354Ssam if (error != 0) 2450178354Ssam return error; 2451178354Ssam 2452178354Ssam switch (ic->ic_opmode) { 2453178354Ssam case IEEE80211_M_STA: 2454178354Ssam case IEEE80211_M_HOSTAP: 2455178354Ssam case IEEE80211_M_WDS: /* XXX */ 2456178354Ssam data = htole32(IPW_MODE_BSS); 2457178354Ssam break; 2458178354Ssam case IEEE80211_M_IBSS: 2459178354Ssam case IEEE80211_M_AHDEMO: 2460178354Ssam data = htole32(IPW_MODE_IBSS); 2461178354Ssam break; 2462178354Ssam case IEEE80211_M_MONITOR: 2463178354Ssam data = htole32(IPW_MODE_MONITOR); 2464178354Ssam break; 2465178354Ssam } 2466178354Ssam DPRINTF(("Setting mode to %u\n", le32toh(data))); 2467178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_MODE, &data, sizeof data); 2468178354Ssam if (error != 0) 2469178354Ssam return error; 2470178354Ssam 2471178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS || 2472178354Ssam ic->ic_opmode == IEEE80211_M_MONITOR) { 2473178354Ssam error = ipw_setchannel(sc, ic->ic_curchan); 2474178354Ssam if (error != 0) 2475178354Ssam return error; 2476178354Ssam } 2477178354Ssam 2478178354Ssam if (ic->ic_opmode == IEEE80211_M_MONITOR) 2479178354Ssam return ipw_enable(sc); 2480178354Ssam 2481178354Ssam config.flags = htole32(IPW_CFG_BSS_MASK | IPW_CFG_IBSS_MASK | 2482178354Ssam IPW_CFG_PREAMBLE_AUTO | IPW_CFG_802_1x_ENABLE); 2483178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS) 2484178354Ssam config.flags |= htole32(IPW_CFG_IBSS_AUTO_START); 2485178354Ssam if (ifp->if_flags & IFF_PROMISC) 2486178354Ssam config.flags |= htole32(IPW_CFG_PROMISCUOUS); 2487178354Ssam config.bss_chan = htole32(0x3fff); /* channels 1-14 */ 2488178354Ssam config.ibss_chan = htole32(0x7ff); /* channels 1-11 */ 2489178354Ssam DPRINTF(("Setting configuration to 0x%x\n", le32toh(config.flags))); 2490178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_CONFIGURATION, &config, sizeof config); 2491178354Ssam if (error != 0) 2492178354Ssam return error; 2493178354Ssam 2494178354Ssam data = htole32(0x3); /* 1, 2 */ 2495178354Ssam DPRINTF(("Setting basic tx rates to 0x%x\n", le32toh(data))); 2496178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_BASIC_TX_RATES, &data, sizeof data); 2497178354Ssam if (error != 0) 2498178354Ssam return error; 2499178354Ssam 2500178354Ssam /* NB: use the same rate set */ 2501178354Ssam DPRINTF(("Setting msdu tx rates to 0x%x\n", le32toh(data))); 2502178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_MSDU_TX_RATES, &data, sizeof data); 2503178354Ssam if (error != 0) 2504178354Ssam return error; 2505178354Ssam 2506178354Ssam data = htole32(0xf); /* 1, 2, 5.5, 11 */ 2507178354Ssam DPRINTF(("Setting tx rates to 0x%x\n", le32toh(data))); 2508178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_TX_RATES, &data, sizeof data); 2509178354Ssam if (error != 0) 2510178354Ssam return error; 2511178354Ssam 2512178354Ssam data = htole32(IPW_POWER_MODE_CAM); 2513178354Ssam DPRINTF(("Setting power mode to %u\n", le32toh(data))); 2514178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_POWER_MODE, &data, sizeof data); 2515178354Ssam if (error != 0) 2516178354Ssam return error; 2517178354Ssam 2518178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS) { 2519178354Ssam data = htole32(32); /* default value */ 2520178354Ssam DPRINTF(("Setting tx power index to %u\n", le32toh(data))); 2521178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_TX_POWER_INDEX, &data, 2522178354Ssam sizeof data); 2523178354Ssam if (error != 0) 2524178354Ssam return error; 2525178354Ssam } 2526178354Ssam 2527178354Ssam return 0; 2528178354Ssam} 2529178354Ssam 2530145247Sdamienstatic void 2531145247Sdamienipw_stop(void *priv) 2532145247Sdamien{ 2533145247Sdamien struct ipw_softc *sc = priv; 2534172567Sthompsa IPW_LOCK_DECL; 2535172567Sthompsa 2536172567Sthompsa IPW_LOCK(sc); 2537172567Sthompsa ipw_stop_locked(sc); 2538172567Sthompsa IPW_UNLOCK(sc); 2539172567Sthompsa} 2540172567Sthompsa 2541172567Sthompsastatic void 2542172567Sthompsaipw_stop_locked(struct ipw_softc *sc) 2543172567Sthompsa{ 2544178354Ssam struct ifnet *ifp = sc->sc_ifp; 2545145247Sdamien int i; 2546145247Sdamien 2547172567Sthompsa IPW_LOCK_ASSERT(sc); 2548156599Sdamien 2549172567Sthompsa callout_stop(&sc->sc_wdtimer); 2550145247Sdamien ipw_stop_master(sc); 2551145247Sdamien 2552145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_SW_RESET); 2553145247Sdamien 2554145247Sdamien /* 2555145247Sdamien * Release tx buffers. 2556145247Sdamien */ 2557145247Sdamien for (i = 0; i < IPW_NTBD; i++) 2558145247Sdamien ipw_release_sbd(sc, &sc->stbd_list[i]); 2559145247Sdamien 2560145247Sdamien sc->sc_tx_timer = 0; 2561148887Srwatson ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 2562145247Sdamien} 2563145247Sdamien 2564145247Sdamienstatic int 2565145247Sdamienipw_sysctl_stats(SYSCTL_HANDLER_ARGS) 2566145247Sdamien{ 2567145247Sdamien struct ipw_softc *sc = arg1; 2568145247Sdamien uint32_t i, size, buf[256]; 2569145247Sdamien 2570174317Sphilip memset(buf, 0, sizeof buf); 2571174317Sphilip 2572174317Sphilip if (!(sc->flags & IPW_FLAG_FW_INITED)) 2573145247Sdamien return SYSCTL_OUT(req, buf, sizeof buf); 2574145247Sdamien 2575145247Sdamien CSR_WRITE_4(sc, IPW_CSR_AUTOINC_ADDR, sc->table1_base); 2576145247Sdamien 2577145247Sdamien size = min(CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA), 256); 2578145247Sdamien for (i = 1; i < size; i++) 2579145247Sdamien buf[i] = MEM_READ_4(sc, CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA)); 2580145247Sdamien 2581174317Sphilip return SYSCTL_OUT(req, buf, size); 2582145247Sdamien} 2583145247Sdamien 2584145247Sdamienstatic int 2585145247Sdamienipw_sysctl_radio(SYSCTL_HANDLER_ARGS) 2586145247Sdamien{ 2587145247Sdamien struct ipw_softc *sc = arg1; 2588145247Sdamien int val; 2589145247Sdamien 2590145247Sdamien val = !((sc->flags & IPW_FLAG_HAS_RADIO_SWITCH) && 2591145247Sdamien (CSR_READ_4(sc, IPW_CSR_IO) & IPW_IO_RADIO_DISABLED)); 2592145247Sdamien 2593145247Sdamien return SYSCTL_OUT(req, &val, sizeof val); 2594145247Sdamien} 2595145247Sdamien 2596145247Sdamienstatic uint32_t 2597145247Sdamienipw_read_table1(struct ipw_softc *sc, uint32_t off) 2598145247Sdamien{ 2599145247Sdamien return MEM_READ_4(sc, MEM_READ_4(sc, sc->table1_base + off)); 2600145247Sdamien} 2601145247Sdamien 2602145247Sdamienstatic void 2603145247Sdamienipw_write_table1(struct ipw_softc *sc, uint32_t off, uint32_t info) 2604145247Sdamien{ 2605145247Sdamien MEM_WRITE_4(sc, MEM_READ_4(sc, sc->table1_base + off), info); 2606145247Sdamien} 2607145247Sdamien 2608172567Sthompsa#if 0 2609145247Sdamienstatic int 2610145247Sdamienipw_read_table2(struct ipw_softc *sc, uint32_t off, void *buf, uint32_t *len) 2611145247Sdamien{ 2612145247Sdamien uint32_t addr, info; 2613145247Sdamien uint16_t count, size; 2614145247Sdamien uint32_t total; 2615145247Sdamien 2616145247Sdamien /* addr[4] + count[2] + size[2] */ 2617145247Sdamien addr = MEM_READ_4(sc, sc->table2_base + off); 2618145247Sdamien info = MEM_READ_4(sc, sc->table2_base + off + 4); 2619145247Sdamien 2620145247Sdamien count = info >> 16; 2621145247Sdamien size = info & 0xffff; 2622145247Sdamien total = count * size; 2623145247Sdamien 2624145247Sdamien if (total > *len) { 2625145247Sdamien *len = total; 2626145247Sdamien return EINVAL; 2627145247Sdamien } 2628145247Sdamien 2629145247Sdamien *len = total; 2630145247Sdamien ipw_read_mem_1(sc, addr, buf, total); 2631145247Sdamien 2632145247Sdamien return 0; 2633145247Sdamien} 2634145247Sdamien 2635145247Sdamienstatic void 2636145247Sdamienipw_read_mem_1(struct ipw_softc *sc, bus_size_t offset, uint8_t *datap, 2637145247Sdamien bus_size_t count) 2638145247Sdamien{ 2639145247Sdamien for (; count > 0; offset++, datap++, count--) { 2640145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INDIRECT_ADDR, offset & ~3); 2641145247Sdamien *datap = CSR_READ_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3)); 2642145247Sdamien } 2643145247Sdamien} 2644172567Sthompsa#endif 2645145247Sdamien 2646145247Sdamienstatic void 2647156599Sdamienipw_write_mem_1(struct ipw_softc *sc, bus_size_t offset, const uint8_t *datap, 2648145247Sdamien bus_size_t count) 2649145247Sdamien{ 2650145247Sdamien for (; count > 0; offset++, datap++, count--) { 2651145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INDIRECT_ADDR, offset & ~3); 2652145247Sdamien CSR_WRITE_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3), *datap); 2653145247Sdamien } 2654145247Sdamien} 2655172567Sthompsa 2656172567Sthompsastatic void 2657172567Sthompsaipw_scan_start(struct ieee80211com *ic) 2658172567Sthompsa{ 2659172567Sthompsa struct ifnet *ifp = ic->ic_ifp; 2660172567Sthompsa struct ipw_softc *sc = ifp->if_softc; 2661172567Sthompsa IPW_LOCK_DECL; 2662172567Sthompsa 2663172567Sthompsa IPW_LOCK(sc); 2664191746Sthompsa ipw_scan(sc); 2665172567Sthompsa IPW_UNLOCK(sc); 2666172567Sthompsa} 2667172567Sthompsa 2668172567Sthompsastatic void 2669172567Sthompsaipw_set_channel(struct ieee80211com *ic) 2670172567Sthompsa{ 2671172567Sthompsa struct ifnet *ifp = ic->ic_ifp; 2672172567Sthompsa struct ipw_softc *sc = ifp->if_softc; 2673172567Sthompsa IPW_LOCK_DECL; 2674172567Sthompsa 2675172567Sthompsa IPW_LOCK(sc); 2676172567Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 2677172567Sthompsa ipw_disable(sc); 2678172567Sthompsa ipw_setchannel(sc, ic->ic_curchan); 2679172567Sthompsa ipw_enable(sc); 2680172567Sthompsa } 2681172567Sthompsa IPW_UNLOCK(sc); 2682172567Sthompsa} 2683172567Sthompsa 2684172567Sthompsastatic void 2685178354Ssamipw_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 2686172567Sthompsa{ 2687172567Sthompsa /* NB: all channels are scanned at once */ 2688172567Sthompsa} 2689172567Sthompsa 2690172567Sthompsastatic void 2691178354Ssamipw_scan_mindwell(struct ieee80211_scan_state *ss) 2692172567Sthompsa{ 2693172567Sthompsa /* NB: don't try to abort scan; wait for firmware to finish */ 2694172567Sthompsa} 2695172567Sthompsa 2696172567Sthompsastatic void 2697172567Sthompsaipw_scan_end(struct ieee80211com *ic) 2698172567Sthompsa{ 2699172567Sthompsa struct ifnet *ifp = ic->ic_ifp; 2700172567Sthompsa struct ipw_softc *sc = ifp->if_softc; 2701172567Sthompsa IPW_LOCK_DECL; 2702172567Sthompsa 2703172567Sthompsa IPW_LOCK(sc); 2704172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 2705172567Sthompsa IPW_UNLOCK(sc); 2706172567Sthompsa} 2707