1145247Sdamien/*- 2156599Sdamien * Copyright (c) 2004-2006 3145247Sdamien * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved. 4172567Sthompsa * Copyright (c) 2006 Sam Leffler, Errno Consulting 5172567Sthompsa * Copyright (c) 2007 Andrew Thompson <thompsa@FreeBSD.org> 6145247Sdamien * 7145247Sdamien * Redistribution and use in source and binary forms, with or without 8145247Sdamien * modification, are permitted provided that the following conditions 9145247Sdamien * are met: 10145247Sdamien * 1. Redistributions of source code must retain the above copyright 11145247Sdamien * notice unmodified, this list of conditions, and the following 12145247Sdamien * disclaimer. 13145247Sdamien * 2. Redistributions in binary form must reproduce the above copyright 14145247Sdamien * notice, this list of conditions and the following disclaimer in the 15145247Sdamien * documentation and/or other materials provided with the distribution. 16145247Sdamien * 17145247Sdamien * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18145247Sdamien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19145247Sdamien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20145247Sdamien * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21145247Sdamien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22145247Sdamien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23145247Sdamien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24145247Sdamien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25145247Sdamien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26145247Sdamien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27145247Sdamien * SUCH DAMAGE. 28145247Sdamien */ 29145247Sdamien 30145247Sdamien#include <sys/cdefs.h> 31145247Sdamien__FBSDID("$FreeBSD: stable/11/sys/dev/ipw/if_ipw.c 343907 2019-02-08 13:57:28Z avos $"); 32145247Sdamien 33145247Sdamien/*- 34145247Sdamien * Intel(R) PRO/Wireless 2100 MiniPCI driver 35145247Sdamien * http://www.intel.com/network/connectivity/products/wireless/prowireless_mobile.htm 36145247Sdamien */ 37145247Sdamien 38145247Sdamien#include <sys/param.h> 39145247Sdamien#include <sys/sysctl.h> 40145247Sdamien#include <sys/sockio.h> 41145247Sdamien#include <sys/mbuf.h> 42145247Sdamien#include <sys/kernel.h> 43145247Sdamien#include <sys/socket.h> 44145247Sdamien#include <sys/systm.h> 45145247Sdamien#include <sys/malloc.h> 46156599Sdamien#include <sys/queue.h> 47156599Sdamien#include <sys/taskqueue.h> 48145247Sdamien#include <sys/module.h> 49145247Sdamien#include <sys/bus.h> 50145247Sdamien#include <sys/endian.h> 51156599Sdamien#include <sys/linker.h> 52156599Sdamien#include <sys/firmware.h> 53145247Sdamien 54145247Sdamien#include <machine/bus.h> 55145247Sdamien#include <machine/resource.h> 56145247Sdamien#include <sys/rman.h> 57145247Sdamien 58145247Sdamien#include <dev/pci/pcireg.h> 59145247Sdamien#include <dev/pci/pcivar.h> 60145247Sdamien 61145247Sdamien#include <net/bpf.h> 62145247Sdamien#include <net/if.h> 63257176Sglebius#include <net/if_var.h> 64145247Sdamien#include <net/if_arp.h> 65145247Sdamien#include <net/ethernet.h> 66145247Sdamien#include <net/if_dl.h> 67145247Sdamien#include <net/if_media.h> 68145247Sdamien#include <net/if_types.h> 69145247Sdamien 70156599Sdamien#include <net80211/ieee80211_var.h> 71156599Sdamien#include <net80211/ieee80211_radiotap.h> 72156599Sdamien 73145247Sdamien#include <netinet/in.h> 74145247Sdamien#include <netinet/in_systm.h> 75145247Sdamien#include <netinet/in_var.h> 76145247Sdamien#include <netinet/ip.h> 77145247Sdamien#include <netinet/if_ether.h> 78145247Sdamien 79145247Sdamien#include <dev/ipw/if_ipwreg.h> 80145247Sdamien#include <dev/ipw/if_ipwvar.h> 81145247Sdamien 82172567Sthompsa#define IPW_DEBUG 83145247Sdamien#ifdef IPW_DEBUG 84145247Sdamien#define DPRINTF(x) do { if (ipw_debug > 0) printf x; } while (0) 85145247Sdamien#define DPRINTFN(n, x) do { if (ipw_debug >= (n)) printf x; } while (0) 86145247Sdamienint ipw_debug = 0; 87145247SdamienSYSCTL_INT(_debug, OID_AUTO, ipw, CTLFLAG_RW, &ipw_debug, 0, "ipw debug level"); 88145247Sdamien#else 89145247Sdamien#define DPRINTF(x) 90145247Sdamien#define DPRINTFN(n, x) 91145247Sdamien#endif 92145247Sdamien 93145247SdamienMODULE_DEPEND(ipw, pci, 1, 1, 1); 94145247SdamienMODULE_DEPEND(ipw, wlan, 1, 1, 1); 95156599SdamienMODULE_DEPEND(ipw, firmware, 1, 1, 1); 96145247Sdamien 97145247Sdamienstruct ipw_ident { 98145247Sdamien uint16_t vendor; 99145247Sdamien uint16_t device; 100145247Sdamien const char *name; 101145247Sdamien}; 102145247Sdamien 103145247Sdamienstatic const struct ipw_ident ipw_ident_table[] = { 104145247Sdamien { 0x8086, 0x1043, "Intel(R) PRO/Wireless 2100 MiniPCI" }, 105145247Sdamien 106145247Sdamien { 0, 0, NULL } 107145247Sdamien}; 108145247Sdamien 109178354Ssamstatic struct ieee80211vap *ipw_vap_create(struct ieee80211com *, 110228621Sbschmidt const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 111228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN], 112228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN]); 113178354Ssamstatic void ipw_vap_delete(struct ieee80211vap *); 114145247Sdamienstatic int ipw_dma_alloc(struct ipw_softc *); 115145247Sdamienstatic void ipw_release(struct ipw_softc *); 116145247Sdamienstatic void ipw_media_status(struct ifnet *, struct ifmediareq *); 117178354Ssamstatic int ipw_newstate(struct ieee80211vap *, enum ieee80211_state, int); 118145247Sdamienstatic uint16_t ipw_read_prom_word(struct ipw_softc *, uint8_t); 119300239Savosstatic uint16_t ipw_read_chanmask(struct ipw_softc *); 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); 131287197Sglebiusstatic int ipw_tx_start(struct ipw_softc *, struct mbuf *, 132145247Sdamien struct ieee80211_node *); 133178354Ssamstatic int ipw_raw_xmit(struct ieee80211_node *, struct mbuf *, 134178354Ssam const struct ieee80211_bpf_params *); 135287197Sglebiusstatic int ipw_transmit(struct ieee80211com *, struct mbuf *); 136287197Sglebiusstatic void ipw_start(struct ipw_softc *); 137172567Sthompsastatic void ipw_watchdog(void *); 138287197Sglebiusstatic void ipw_parent(struct ieee80211com *); 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 *); 168300239Savosstatic void ipw_getradiocaps(struct ieee80211com *, int, int *, 169300239Savos struct ieee80211_channel[]); 170172567Sthompsastatic void ipw_set_channel(struct ieee80211com *); 171178354Ssamstatic void ipw_scan_curchan(struct ieee80211_scan_state *, 172178354Ssam unsigned long maxdwell); 173178354Ssamstatic void ipw_scan_mindwell(struct ieee80211_scan_state *); 174145247Sdamien 175145247Sdamienstatic int ipw_probe(device_t); 176145247Sdamienstatic int ipw_attach(device_t); 177145247Sdamienstatic int ipw_detach(device_t); 178145247Sdamienstatic int ipw_shutdown(device_t); 179145247Sdamienstatic int ipw_suspend(device_t); 180145247Sdamienstatic int ipw_resume(device_t); 181145247Sdamien 182145247Sdamienstatic device_method_t ipw_methods[] = { 183145247Sdamien /* Device interface */ 184145247Sdamien DEVMETHOD(device_probe, ipw_probe), 185145247Sdamien DEVMETHOD(device_attach, ipw_attach), 186145247Sdamien DEVMETHOD(device_detach, ipw_detach), 187145247Sdamien DEVMETHOD(device_shutdown, ipw_shutdown), 188145247Sdamien DEVMETHOD(device_suspend, ipw_suspend), 189145247Sdamien DEVMETHOD(device_resume, ipw_resume), 190145247Sdamien 191260062Smarius DEVMETHOD_END 192145247Sdamien}; 193145247Sdamien 194145247Sdamienstatic driver_t ipw_driver = { 195145247Sdamien "ipw", 196145247Sdamien ipw_methods, 197145247Sdamien sizeof (struct ipw_softc) 198145247Sdamien}; 199145247Sdamien 200145247Sdamienstatic devclass_t ipw_devclass; 201145247Sdamien 202260062SmariusDRIVER_MODULE(ipw, pci, ipw_driver, ipw_devclass, NULL, NULL); 203145247Sdamien 204222543SbschmidtMODULE_VERSION(ipw, 1); 205222543Sbschmidt 206145247Sdamienstatic int 207145247Sdamienipw_probe(device_t dev) 208145247Sdamien{ 209145247Sdamien const struct ipw_ident *ident; 210145247Sdamien 211145247Sdamien for (ident = ipw_ident_table; ident->name != NULL; ident++) { 212145247Sdamien if (pci_get_vendor(dev) == ident->vendor && 213145247Sdamien pci_get_device(dev) == ident->device) { 214145247Sdamien device_set_desc(dev, ident->name); 215260062Smarius return (BUS_PROBE_DEFAULT); 216145247Sdamien } 217145247Sdamien } 218145247Sdamien return ENXIO; 219145247Sdamien} 220145247Sdamien 221145247Sdamien/* Base Address Register */ 222145247Sdamienstatic int 223145247Sdamienipw_attach(device_t dev) 224145247Sdamien{ 225145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 226287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 227145247Sdamien uint16_t val; 228145247Sdamien int error, i; 229145247Sdamien 230145247Sdamien sc->sc_dev = dev; 231145247Sdamien 232145247Sdamien mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 233145247Sdamien MTX_DEF | MTX_RECURSE); 234287197Sglebius mbufq_init(&sc->sc_snd, ifqmaxlen); 235156599Sdamien TASK_INIT(&sc->sc_init_task, 0, ipw_init_task, sc); 236172567Sthompsa callout_init_mtx(&sc->sc_wdtimer, &sc->sc_mtx, 0); 237156599Sdamien 238146498Sdamien pci_write_config(dev, 0x41, 0, 1); 239146498Sdamien 240145247Sdamien /* enable bus-mastering */ 241145247Sdamien pci_enable_busmaster(dev); 242145247Sdamien 243260062Smarius i = PCIR_BAR(0); 244260062Smarius sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &i, RF_ACTIVE); 245145247Sdamien if (sc->mem == NULL) { 246145247Sdamien device_printf(dev, "could not allocate memory resource\n"); 247145247Sdamien goto fail; 248145247Sdamien } 249145247Sdamien 250145247Sdamien sc->sc_st = rman_get_bustag(sc->mem); 251145247Sdamien sc->sc_sh = rman_get_bushandle(sc->mem); 252145247Sdamien 253260062Smarius i = 0; 254260062Smarius sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &i, 255145247Sdamien RF_ACTIVE | RF_SHAREABLE); 256145247Sdamien if (sc->irq == NULL) { 257145247Sdamien device_printf(dev, "could not allocate interrupt resource\n"); 258178354Ssam goto fail1; 259145247Sdamien } 260145247Sdamien 261145247Sdamien if (ipw_reset(sc) != 0) { 262145247Sdamien device_printf(dev, "could not reset adapter\n"); 263178354Ssam goto fail2; 264145247Sdamien } 265145247Sdamien 266145247Sdamien if (ipw_dma_alloc(sc) != 0) { 267145247Sdamien device_printf(dev, "could not allocate DMA resources\n"); 268178354Ssam goto fail2; 269145247Sdamien } 270147757Sdamien 271283537Sglebius ic->ic_softc = sc; 272283527Sglebius ic->ic_name = device_get_nameunit(dev); 273178354Ssam ic->ic_opmode = IEEE80211_M_STA; 274145247Sdamien ic->ic_phytype = IEEE80211_T_DS; 275145247Sdamien 276145247Sdamien /* set device capabilities */ 277178957Ssam ic->ic_caps = 278178957Ssam IEEE80211_C_STA /* station mode supported */ 279178957Ssam | IEEE80211_C_IBSS /* IBSS mode supported */ 280172567Sthompsa | IEEE80211_C_MONITOR /* monitor mode supported */ 281172567Sthompsa | IEEE80211_C_PMGT /* power save supported */ 282172567Sthompsa | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 283172567Sthompsa | IEEE80211_C_WPA /* 802.11i supported */ 284172567Sthompsa ; 285145247Sdamien 286145247Sdamien /* read MAC address from EEPROM */ 287145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 0); 288287197Sglebius ic->ic_macaddr[0] = val >> 8; 289287197Sglebius ic->ic_macaddr[1] = val & 0xff; 290145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 1); 291287197Sglebius ic->ic_macaddr[2] = val >> 8; 292287197Sglebius ic->ic_macaddr[3] = val & 0xff; 293145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 2); 294287197Sglebius ic->ic_macaddr[4] = val >> 8; 295287197Sglebius ic->ic_macaddr[5] = val & 0xff; 296145247Sdamien 297300239Savos sc->chanmask = ipw_read_chanmask(sc); 298300239Savos ipw_getradiocaps(ic, IEEE80211_CHAN_MAX, &ic->ic_nchans, 299300239Savos ic->ic_channels); 300145247Sdamien 301145247Sdamien /* check support for radio transmitter switch in EEPROM */ 302145247Sdamien if (!(ipw_read_prom_word(sc, IPW_EEPROM_RADIO) & 8)) 303145247Sdamien sc->flags |= IPW_FLAG_HAS_RADIO_SWITCH; 304145247Sdamien 305287197Sglebius ieee80211_ifattach(ic); 306172567Sthompsa ic->ic_scan_start = ipw_scan_start; 307172567Sthompsa ic->ic_scan_end = ipw_scan_end; 308300239Savos ic->ic_getradiocaps = ipw_getradiocaps; 309172567Sthompsa ic->ic_set_channel = ipw_set_channel; 310172567Sthompsa ic->ic_scan_curchan = ipw_scan_curchan; 311172567Sthompsa ic->ic_scan_mindwell = ipw_scan_mindwell; 312178354Ssam ic->ic_raw_xmit = ipw_raw_xmit; 313178354Ssam ic->ic_vap_create = ipw_vap_create; 314178354Ssam ic->ic_vap_delete = ipw_vap_delete; 315287197Sglebius ic->ic_transmit = ipw_transmit; 316287197Sglebius ic->ic_parent = ipw_parent; 317145247Sdamien 318192468Ssam ieee80211_radiotap_attach(ic, 319192468Ssam &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 320192468Ssam IPW_TX_RADIOTAP_PRESENT, 321192468Ssam &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 322192468Ssam IPW_RX_RADIOTAP_PRESENT); 323178354Ssam 324145247Sdamien /* 325145247Sdamien * Add a few sysctl knobs. 326145247Sdamien */ 327145247Sdamien SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 328145247Sdamien SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "radio", 329145247Sdamien CTLTYPE_INT | CTLFLAG_RD, sc, 0, ipw_sysctl_radio, "I", 330145247Sdamien "radio transmitter switch state (0=off, 1=on)"); 331145247Sdamien 332145247Sdamien SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 333145247Sdamien SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "stats", 334145247Sdamien CTLTYPE_OPAQUE | CTLFLAG_RD, sc, 0, ipw_sysctl_stats, "S", 335145247Sdamien "statistics"); 336145247Sdamien 337145247Sdamien /* 338145247Sdamien * Hook our interrupt after all initialization is complete. 339145247Sdamien */ 340145247Sdamien error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 341166901Spiso NULL, ipw_intr, sc, &sc->sc_ih); 342145247Sdamien if (error != 0) { 343145247Sdamien device_printf(dev, "could not set up interrupt\n"); 344287197Sglebius goto fail3; 345145247Sdamien } 346145247Sdamien 347145247Sdamien if (bootverbose) 348145247Sdamien ieee80211_announce(ic); 349145247Sdamien 350145247Sdamien return 0; 351178354Ssamfail3: 352178354Ssam ipw_release(sc); 353178354Ssamfail2: 354260062Smarius bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), sc->irq); 355178354Ssamfail1: 356260062Smarius bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(sc->mem), 357260062Smarius sc->mem); 358178354Ssamfail: 359178354Ssam mtx_destroy(&sc->sc_mtx); 360145247Sdamien return ENXIO; 361145247Sdamien} 362145247Sdamien 363145247Sdamienstatic int 364145247Sdamienipw_detach(device_t dev) 365145247Sdamien{ 366145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 367287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 368145247Sdamien 369260062Smarius bus_teardown_intr(dev, sc->irq, sc->sc_ih); 370260062Smarius 371191912Sthompsa ieee80211_draintask(ic, &sc->sc_init_task); 372145247Sdamien ipw_stop(sc); 373178354Ssam 374178354Ssam ieee80211_ifdetach(ic); 375178354Ssam 376172567Sthompsa callout_drain(&sc->sc_wdtimer); 377287197Sglebius mbufq_drain(&sc->sc_snd); 378145247Sdamien 379145247Sdamien ipw_release(sc); 380145247Sdamien 381260062Smarius bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), sc->irq); 382145247Sdamien 383260062Smarius bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(sc->mem), 384260062Smarius sc->mem); 385156599Sdamien 386159487Siedowse if (sc->sc_firmware != NULL) { 387159487Siedowse firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 388159487Siedowse sc->sc_firmware = NULL; 389159487Siedowse } 390159487Siedowse 391145247Sdamien mtx_destroy(&sc->sc_mtx); 392145247Sdamien 393145247Sdamien return 0; 394145247Sdamien} 395145247Sdamien 396178354Ssamstatic struct ieee80211vap * 397228621Sbschmidtipw_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 398228621Sbschmidt enum ieee80211_opmode opmode, int flags, 399228621Sbschmidt const uint8_t bssid[IEEE80211_ADDR_LEN], 400228621Sbschmidt const uint8_t mac[IEEE80211_ADDR_LEN]) 401178354Ssam{ 402286865Sadrian struct ipw_softc *sc = ic->ic_softc; 403178354Ssam struct ipw_vap *ivp; 404178354Ssam struct ieee80211vap *vap; 405178354Ssam const struct firmware *fp; 406178354Ssam const struct ipw_firmware_hdr *hdr; 407178354Ssam const char *imagename; 408178354Ssam 409178354Ssam if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 410178354Ssam return NULL; 411178354Ssam 412178354Ssam switch (opmode) { 413178354Ssam case IEEE80211_M_STA: 414178354Ssam imagename = "ipw_bss"; 415178354Ssam break; 416178354Ssam case IEEE80211_M_IBSS: 417178354Ssam imagename = "ipw_ibss"; 418178354Ssam break; 419178354Ssam case IEEE80211_M_MONITOR: 420178354Ssam imagename = "ipw_monitor"; 421178354Ssam break; 422178354Ssam default: 423178354Ssam return NULL; 424178354Ssam } 425178354Ssam 426178354Ssam /* 427178354Ssam * Load firmware image using the firmware(9) subsystem. Doing 428178354Ssam * this unlocked is ok since we're single-threaded by the 429178354Ssam * 802.11 layer. 430178354Ssam */ 431178354Ssam if (sc->sc_firmware == NULL || 432178354Ssam strcmp(sc->sc_firmware->name, imagename) != 0) { 433178354Ssam if (sc->sc_firmware != NULL) 434178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 435178354Ssam sc->sc_firmware = firmware_get(imagename); 436178354Ssam } 437178354Ssam if (sc->sc_firmware == NULL) { 438178354Ssam device_printf(sc->sc_dev, 439178354Ssam "could not load firmware image '%s'\n", imagename); 440178354Ssam return NULL; 441178354Ssam } 442178354Ssam fp = sc->sc_firmware; 443178354Ssam if (fp->datasize < sizeof *hdr) { 444178354Ssam device_printf(sc->sc_dev, 445178354Ssam "firmware image too short %zu\n", fp->datasize); 446178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 447178354Ssam sc->sc_firmware = NULL; 448178354Ssam return NULL; 449178354Ssam } 450178354Ssam hdr = (const struct ipw_firmware_hdr *)fp->data; 451178354Ssam if (fp->datasize < sizeof *hdr + le32toh(hdr->mainsz) + 452178354Ssam le32toh(hdr->ucodesz)) { 453178354Ssam device_printf(sc->sc_dev, 454178354Ssam "firmware image too short %zu\n", fp->datasize); 455178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 456178354Ssam sc->sc_firmware = NULL; 457178354Ssam return NULL; 458178354Ssam } 459178354Ssam 460287197Sglebius ivp = malloc(sizeof(struct ipw_vap), M_80211_VAP, M_WAITOK | M_ZERO); 461178354Ssam vap = &ivp->vap; 462178354Ssam 463287197Sglebius ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid); 464178354Ssam /* override with driver methods */ 465178354Ssam ivp->newstate = vap->iv_newstate; 466178354Ssam vap->iv_newstate = ipw_newstate; 467178354Ssam 468178354Ssam /* complete setup */ 469287197Sglebius ieee80211_vap_attach(vap, ieee80211_media_change, ipw_media_status, 470287197Sglebius mac); 471178354Ssam ic->ic_opmode = opmode; 472178354Ssam return vap; 473178354Ssam} 474178354Ssam 475178354Ssamstatic void 476178354Ssamipw_vap_delete(struct ieee80211vap *vap) 477178354Ssam{ 478178354Ssam struct ipw_vap *ivp = IPW_VAP(vap); 479178354Ssam 480178354Ssam ieee80211_vap_detach(vap); 481178354Ssam free(ivp, M_80211_VAP); 482178354Ssam} 483178354Ssam 484145247Sdamienstatic int 485145247Sdamienipw_dma_alloc(struct ipw_softc *sc) 486145247Sdamien{ 487145247Sdamien struct ipw_soft_bd *sbd; 488145247Sdamien struct ipw_soft_hdr *shdr; 489145247Sdamien struct ipw_soft_buf *sbuf; 490145247Sdamien bus_addr_t physaddr; 491145247Sdamien int error, i; 492145247Sdamien 493145247Sdamien /* 494232874Sscottl * Allocate parent DMA tag for subsequent allocations. 495232874Sscottl */ 496232874Sscottl error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 497232874Sscottl BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 498232874Sscottl BUS_SPACE_MAXSIZE_32BIT, BUS_SPACE_UNRESTRICTED, 499232874Sscottl BUS_SPACE_MAXSIZE_32BIT, 0, NULL, NULL, &sc->parent_dmat); 500232874Sscottl if (error != 0) { 501232874Sscottl device_printf(sc->sc_dev, "could not create parent DMA tag\n"); 502232874Sscottl goto fail; 503232874Sscottl } 504232874Sscottl 505232874Sscottl /* 506145247Sdamien * Allocate and map tx ring. 507145247Sdamien */ 508232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 4, 0, BUS_SPACE_MAXADDR_32BIT, 509145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_TBD_SZ, 1, IPW_TBD_SZ, 0, NULL, 510145247Sdamien NULL, &sc->tbd_dmat); 511145247Sdamien if (error != 0) { 512145247Sdamien device_printf(sc->sc_dev, "could not create tx ring DMA tag\n"); 513145247Sdamien goto fail; 514145247Sdamien } 515145247Sdamien 516145247Sdamien error = bus_dmamem_alloc(sc->tbd_dmat, (void **)&sc->tbd_list, 517145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->tbd_map); 518145247Sdamien if (error != 0) { 519145247Sdamien device_printf(sc->sc_dev, 520145247Sdamien "could not allocate tx ring DMA memory\n"); 521145247Sdamien goto fail; 522145247Sdamien } 523145247Sdamien 524145247Sdamien error = bus_dmamap_load(sc->tbd_dmat, sc->tbd_map, sc->tbd_list, 525145247Sdamien IPW_TBD_SZ, ipw_dma_map_addr, &sc->tbd_phys, 0); 526145247Sdamien if (error != 0) { 527145247Sdamien device_printf(sc->sc_dev, "could not map tx ring DMA memory\n"); 528145247Sdamien goto fail; 529145247Sdamien } 530145247Sdamien 531145247Sdamien /* 532145247Sdamien * Allocate and map rx ring. 533145247Sdamien */ 534232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 4, 0, BUS_SPACE_MAXADDR_32BIT, 535145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_RBD_SZ, 1, IPW_RBD_SZ, 0, NULL, 536145247Sdamien NULL, &sc->rbd_dmat); 537145247Sdamien if (error != 0) { 538145247Sdamien device_printf(sc->sc_dev, "could not create rx ring DMA tag\n"); 539145247Sdamien goto fail; 540145247Sdamien } 541145247Sdamien 542145247Sdamien error = bus_dmamem_alloc(sc->rbd_dmat, (void **)&sc->rbd_list, 543145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->rbd_map); 544145247Sdamien if (error != 0) { 545145247Sdamien device_printf(sc->sc_dev, 546145247Sdamien "could not allocate rx ring DMA memory\n"); 547145247Sdamien goto fail; 548145247Sdamien } 549145247Sdamien 550145247Sdamien error = bus_dmamap_load(sc->rbd_dmat, sc->rbd_map, sc->rbd_list, 551145247Sdamien IPW_RBD_SZ, ipw_dma_map_addr, &sc->rbd_phys, 0); 552145247Sdamien if (error != 0) { 553145247Sdamien device_printf(sc->sc_dev, "could not map rx ring DMA memory\n"); 554145247Sdamien goto fail; 555145247Sdamien } 556145247Sdamien 557145247Sdamien /* 558145247Sdamien * Allocate and map status ring. 559145247Sdamien */ 560232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 4, 0, BUS_SPACE_MAXADDR_32BIT, 561145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_STATUS_SZ, 1, IPW_STATUS_SZ, 0, 562145247Sdamien NULL, NULL, &sc->status_dmat); 563145247Sdamien if (error != 0) { 564145247Sdamien device_printf(sc->sc_dev, 565145247Sdamien "could not create status ring DMA tag\n"); 566145247Sdamien goto fail; 567145247Sdamien } 568145247Sdamien 569145247Sdamien error = bus_dmamem_alloc(sc->status_dmat, (void **)&sc->status_list, 570145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->status_map); 571145247Sdamien if (error != 0) { 572145247Sdamien device_printf(sc->sc_dev, 573145247Sdamien "could not allocate status ring DMA memory\n"); 574145247Sdamien goto fail; 575145247Sdamien } 576145247Sdamien 577145247Sdamien error = bus_dmamap_load(sc->status_dmat, sc->status_map, 578145247Sdamien sc->status_list, IPW_STATUS_SZ, ipw_dma_map_addr, &sc->status_phys, 579145247Sdamien 0); 580145247Sdamien if (error != 0) { 581145247Sdamien device_printf(sc->sc_dev, 582145247Sdamien "could not map status ring DMA memory\n"); 583145247Sdamien goto fail; 584145247Sdamien } 585145247Sdamien 586145247Sdamien /* 587145247Sdamien * Allocate command DMA map. 588145247Sdamien */ 589232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 1, 0, BUS_SPACE_MAXADDR_32BIT, 590145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, sizeof (struct ipw_cmd), 1, 591145247Sdamien sizeof (struct ipw_cmd), 0, NULL, NULL, &sc->cmd_dmat); 592145247Sdamien if (error != 0) { 593145247Sdamien device_printf(sc->sc_dev, "could not create command DMA tag\n"); 594145247Sdamien goto fail; 595145247Sdamien } 596145247Sdamien 597145247Sdamien error = bus_dmamap_create(sc->cmd_dmat, 0, &sc->cmd_map); 598145247Sdamien if (error != 0) { 599145247Sdamien device_printf(sc->sc_dev, 600145247Sdamien "could not create command DMA map\n"); 601145247Sdamien goto fail; 602145247Sdamien } 603145247Sdamien 604145247Sdamien /* 605145247Sdamien * Allocate headers DMA maps. 606145247Sdamien */ 607232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 1, 0, BUS_SPACE_MAXADDR_32BIT, 608145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, sizeof (struct ipw_hdr), 1, 609145247Sdamien sizeof (struct ipw_hdr), 0, NULL, NULL, &sc->hdr_dmat); 610145247Sdamien if (error != 0) { 611145247Sdamien device_printf(sc->sc_dev, "could not create header DMA tag\n"); 612145247Sdamien goto fail; 613145247Sdamien } 614145247Sdamien 615145247Sdamien SLIST_INIT(&sc->free_shdr); 616145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 617145247Sdamien shdr = &sc->shdr_list[i]; 618145247Sdamien error = bus_dmamap_create(sc->hdr_dmat, 0, &shdr->map); 619145247Sdamien if (error != 0) { 620145247Sdamien device_printf(sc->sc_dev, 621145247Sdamien "could not create header DMA map\n"); 622145247Sdamien goto fail; 623145247Sdamien } 624145247Sdamien SLIST_INSERT_HEAD(&sc->free_shdr, shdr, next); 625145247Sdamien } 626145247Sdamien 627145247Sdamien /* 628145247Sdamien * Allocate tx buffers DMA maps. 629145247Sdamien */ 630232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 1, 0, BUS_SPACE_MAXADDR_32BIT, 631145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, IPW_MAX_NSEG, MCLBYTES, 0, 632145247Sdamien NULL, NULL, &sc->txbuf_dmat); 633145247Sdamien if (error != 0) { 634145247Sdamien device_printf(sc->sc_dev, "could not create tx DMA tag\n"); 635145247Sdamien goto fail; 636145247Sdamien } 637145247Sdamien 638145247Sdamien SLIST_INIT(&sc->free_sbuf); 639145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 640145247Sdamien sbuf = &sc->tx_sbuf_list[i]; 641145247Sdamien error = bus_dmamap_create(sc->txbuf_dmat, 0, &sbuf->map); 642145247Sdamien if (error != 0) { 643145247Sdamien device_printf(sc->sc_dev, 644145247Sdamien "could not create tx DMA map\n"); 645145247Sdamien goto fail; 646145247Sdamien } 647145247Sdamien SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next); 648145247Sdamien } 649145247Sdamien 650145247Sdamien /* 651145247Sdamien * Initialize tx ring. 652145247Sdamien */ 653145247Sdamien for (i = 0; i < IPW_NTBD; i++) { 654145247Sdamien sbd = &sc->stbd_list[i]; 655145247Sdamien sbd->bd = &sc->tbd_list[i]; 656145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 657145247Sdamien } 658145247Sdamien 659145247Sdamien /* 660145247Sdamien * Pre-allocate rx buffers and DMA maps. 661145247Sdamien */ 662232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 1, 0, BUS_SPACE_MAXADDR_32BIT, 663147841Sdamien BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1, MCLBYTES, 0, NULL, 664147841Sdamien NULL, &sc->rxbuf_dmat); 665145247Sdamien if (error != 0) { 666145247Sdamien device_printf(sc->sc_dev, "could not create rx DMA tag\n"); 667145247Sdamien goto fail; 668145247Sdamien } 669145247Sdamien 670145247Sdamien for (i = 0; i < IPW_NRBD; i++) { 671145247Sdamien sbd = &sc->srbd_list[i]; 672145247Sdamien sbuf = &sc->rx_sbuf_list[i]; 673145247Sdamien sbd->bd = &sc->rbd_list[i]; 674145247Sdamien 675243857Sglebius sbuf->m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 676145247Sdamien if (sbuf->m == NULL) { 677145247Sdamien device_printf(sc->sc_dev, 678145247Sdamien "could not allocate rx mbuf\n"); 679145247Sdamien error = ENOMEM; 680145247Sdamien goto fail; 681145247Sdamien } 682145247Sdamien 683145247Sdamien error = bus_dmamap_create(sc->rxbuf_dmat, 0, &sbuf->map); 684145247Sdamien if (error != 0) { 685145247Sdamien device_printf(sc->sc_dev, 686145247Sdamien "could not create rx DMA map\n"); 687145247Sdamien goto fail; 688145247Sdamien } 689145247Sdamien 690145247Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, 691145247Sdamien mtod(sbuf->m, void *), MCLBYTES, ipw_dma_map_addr, 692145247Sdamien &physaddr, 0); 693145247Sdamien if (error != 0) { 694145247Sdamien device_printf(sc->sc_dev, 695145247Sdamien "could not map rx DMA memory\n"); 696145247Sdamien goto fail; 697145247Sdamien } 698145247Sdamien 699145247Sdamien sbd->type = IPW_SBD_TYPE_DATA; 700145247Sdamien sbd->priv = sbuf; 701145247Sdamien sbd->bd->physaddr = htole32(physaddr); 702145247Sdamien sbd->bd->len = htole32(MCLBYTES); 703145247Sdamien } 704145247Sdamien 705145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 706145247Sdamien 707145247Sdamien return 0; 708145247Sdamien 709145247Sdamienfail: ipw_release(sc); 710145247Sdamien return error; 711145247Sdamien} 712145247Sdamien 713145247Sdamienstatic void 714145247Sdamienipw_release(struct ipw_softc *sc) 715145247Sdamien{ 716145247Sdamien struct ipw_soft_buf *sbuf; 717145247Sdamien int i; 718145247Sdamien 719232874Sscottl if (sc->parent_dmat != NULL) { 720232874Sscottl bus_dma_tag_destroy(sc->parent_dmat); 721232874Sscottl } 722232874Sscottl 723145247Sdamien if (sc->tbd_dmat != NULL) { 724283528Sglebius bus_dmamap_unload(sc->tbd_dmat, sc->tbd_map); 725283528Sglebius bus_dmamem_free(sc->tbd_dmat, sc->tbd_list, sc->tbd_map); 726145247Sdamien bus_dma_tag_destroy(sc->tbd_dmat); 727145247Sdamien } 728145247Sdamien 729145247Sdamien if (sc->rbd_dmat != NULL) { 730145247Sdamien if (sc->rbd_list != NULL) { 731145247Sdamien bus_dmamap_unload(sc->rbd_dmat, sc->rbd_map); 732145247Sdamien bus_dmamem_free(sc->rbd_dmat, sc->rbd_list, 733145247Sdamien sc->rbd_map); 734145247Sdamien } 735145247Sdamien bus_dma_tag_destroy(sc->rbd_dmat); 736145247Sdamien } 737145247Sdamien 738145247Sdamien if (sc->status_dmat != NULL) { 739145247Sdamien if (sc->status_list != NULL) { 740145247Sdamien bus_dmamap_unload(sc->status_dmat, sc->status_map); 741145247Sdamien bus_dmamem_free(sc->status_dmat, sc->status_list, 742145247Sdamien sc->status_map); 743145247Sdamien } 744145247Sdamien bus_dma_tag_destroy(sc->status_dmat); 745145247Sdamien } 746145247Sdamien 747145247Sdamien for (i = 0; i < IPW_NTBD; i++) 748145247Sdamien ipw_release_sbd(sc, &sc->stbd_list[i]); 749145247Sdamien 750145247Sdamien if (sc->cmd_dmat != NULL) { 751145247Sdamien bus_dmamap_destroy(sc->cmd_dmat, sc->cmd_map); 752145247Sdamien bus_dma_tag_destroy(sc->cmd_dmat); 753145247Sdamien } 754145247Sdamien 755145247Sdamien if (sc->hdr_dmat != NULL) { 756145247Sdamien for (i = 0; i < IPW_NDATA; i++) 757145247Sdamien bus_dmamap_destroy(sc->hdr_dmat, sc->shdr_list[i].map); 758145247Sdamien bus_dma_tag_destroy(sc->hdr_dmat); 759145247Sdamien } 760145247Sdamien 761145247Sdamien if (sc->txbuf_dmat != NULL) { 762145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 763145247Sdamien bus_dmamap_destroy(sc->txbuf_dmat, 764145247Sdamien sc->tx_sbuf_list[i].map); 765145247Sdamien } 766145247Sdamien bus_dma_tag_destroy(sc->txbuf_dmat); 767145247Sdamien } 768145247Sdamien 769145247Sdamien if (sc->rxbuf_dmat != NULL) { 770145247Sdamien for (i = 0; i < IPW_NRBD; i++) { 771145247Sdamien sbuf = &sc->rx_sbuf_list[i]; 772145247Sdamien if (sbuf->m != NULL) { 773145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, 774145247Sdamien BUS_DMASYNC_POSTREAD); 775145247Sdamien bus_dmamap_unload(sc->rxbuf_dmat, sbuf->map); 776145247Sdamien m_freem(sbuf->m); 777145247Sdamien } 778145247Sdamien bus_dmamap_destroy(sc->rxbuf_dmat, sbuf->map); 779145247Sdamien } 780145247Sdamien bus_dma_tag_destroy(sc->rxbuf_dmat); 781145247Sdamien } 782145247Sdamien} 783145247Sdamien 784145247Sdamienstatic int 785145247Sdamienipw_shutdown(device_t dev) 786145247Sdamien{ 787145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 788145247Sdamien 789145247Sdamien ipw_stop(sc); 790145247Sdamien 791145247Sdamien return 0; 792145247Sdamien} 793145247Sdamien 794145247Sdamienstatic int 795145247Sdamienipw_suspend(device_t dev) 796145247Sdamien{ 797145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 798287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 799145247Sdamien 800233387Sbschmidt ieee80211_suspend_all(ic); 801145247Sdamien return 0; 802145247Sdamien} 803145247Sdamien 804145247Sdamienstatic int 805145247Sdamienipw_resume(device_t dev) 806145247Sdamien{ 807145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 808287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 809145247Sdamien 810146498Sdamien pci_write_config(dev, 0x41, 0, 1); 811146498Sdamien 812233387Sbschmidt ieee80211_resume_all(ic); 813145247Sdamien return 0; 814145247Sdamien} 815145247Sdamien 816145247Sdamienstatic int 817172567Sthompsaipw_cvtrate(int ipwrate) 818172567Sthompsa{ 819172567Sthompsa switch (ipwrate) { 820172567Sthompsa case IPW_RATE_DS1: return 2; 821172567Sthompsa case IPW_RATE_DS2: return 4; 822172567Sthompsa case IPW_RATE_DS5: return 11; 823172567Sthompsa case IPW_RATE_DS11: return 22; 824172567Sthompsa } 825145247Sdamien return 0; 826145247Sdamien} 827145247Sdamien 828145247Sdamien/* 829156599Sdamien * The firmware automatically adapts the transmit speed. We report its current 830156599Sdamien * value here. 831145247Sdamien */ 832145247Sdamienstatic void 833145247Sdamienipw_media_status(struct ifnet *ifp, struct ifmediareq *imr) 834145247Sdamien{ 835178354Ssam struct ieee80211vap *vap = ifp->if_softc; 836178354Ssam struct ieee80211com *ic = vap->iv_ic; 837286865Sadrian struct ipw_softc *sc = ic->ic_softc; 838145247Sdamien 839145247Sdamien /* read current transmission rate from adapter */ 840178354Ssam vap->iv_bss->ni_txrate = ipw_cvtrate( 841178354Ssam ipw_read_table1(sc, IPW_INFO_CURRENT_TX_RATE) & 0xf); 842178354Ssam ieee80211_media_status(ifp, imr); 843145247Sdamien} 844145247Sdamien 845145247Sdamienstatic int 846178354Ssamipw_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 847145247Sdamien{ 848178354Ssam struct ipw_vap *ivp = IPW_VAP(vap); 849178354Ssam struct ieee80211com *ic = vap->iv_ic; 850286865Sadrian struct ipw_softc *sc = ic->ic_softc; 851191746Sthompsa enum ieee80211_state ostate; 852145247Sdamien 853172567Sthompsa DPRINTF(("%s: %s -> %s flags 0x%x\n", __func__, 854178354Ssam ieee80211_state_name[vap->iv_state], 855172567Sthompsa ieee80211_state_name[nstate], sc->flags)); 856172567Sthompsa 857191746Sthompsa ostate = vap->iv_state; 858191746Sthompsa IEEE80211_UNLOCK(ic); 859191746Sthompsa 860145247Sdamien switch (nstate) { 861145247Sdamien case IEEE80211_S_RUN: 862172567Sthompsa if (ic->ic_opmode == IEEE80211_M_IBSS) { 863172567Sthompsa /* 864172567Sthompsa * XXX when joining an ibss network we are called 865172567Sthompsa * with a SCAN -> RUN transition on scan complete. 866206763Sbschmidt * Use that to call ipw_assoc. On completing the 867206763Sbschmidt * join we are then called again with an AUTH -> RUN 868206763Sbschmidt * transition and we want to do nothing. This is 869206763Sbschmidt * all totally bogus and needs to be redone. 870172567Sthompsa */ 871191746Sthompsa if (ostate == IEEE80211_S_SCAN) 872191746Sthompsa ipw_assoc(ic, vap); 873172567Sthompsa } 874172567Sthompsa break; 875145247Sdamien 876172567Sthompsa case IEEE80211_S_INIT: 877172567Sthompsa if (sc->flags & IPW_FLAG_ASSOCIATED) 878191746Sthompsa ipw_disassoc(ic, vap); 879172567Sthompsa break; 880145247Sdamien 881172567Sthompsa case IEEE80211_S_AUTH: 882206765Sbschmidt /* 883206765Sbschmidt * Move to ASSOC state after the ipw_assoc() call. Firmware 884206765Sbschmidt * takes care of authentication, after the call we'll receive 885206765Sbschmidt * only an assoc response which would otherwise be discared 886206765Sbschmidt * if we are still in AUTH state. 887206765Sbschmidt */ 888206765Sbschmidt nstate = IEEE80211_S_ASSOC; 889191746Sthompsa ipw_assoc(ic, vap); 890191746Sthompsa break; 891145247Sdamien 892172567Sthompsa case IEEE80211_S_ASSOC: 893172567Sthompsa /* 894206763Sbschmidt * If we are not transitioning from AUTH then resend the 895172567Sthompsa * association request. 896172567Sthompsa */ 897191746Sthompsa if (ostate != IEEE80211_S_AUTH) 898191746Sthompsa ipw_assoc(ic, vap); 899145247Sdamien break; 900145247Sdamien 901172058Ssam default: 902145247Sdamien break; 903145247Sdamien } 904191746Sthompsa IEEE80211_LOCK(ic); 905178354Ssam return ivp->newstate(vap, nstate, arg); 906145247Sdamien} 907145247Sdamien 908145247Sdamien/* 909145247Sdamien * Read 16 bits at address 'addr' from the serial EEPROM. 910145247Sdamien */ 911145247Sdamienstatic uint16_t 912145247Sdamienipw_read_prom_word(struct ipw_softc *sc, uint8_t addr) 913145247Sdamien{ 914145247Sdamien uint32_t tmp; 915145247Sdamien uint16_t val; 916145247Sdamien int n; 917145247Sdamien 918145247Sdamien /* clock C once before the first command */ 919145247Sdamien IPW_EEPROM_CTL(sc, 0); 920145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 921145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 922145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 923145247Sdamien 924145247Sdamien /* write start bit (1) */ 925145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D); 926145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C); 927145247Sdamien 928145247Sdamien /* write READ opcode (10) */ 929145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D); 930145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C); 931145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 932145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 933145247Sdamien 934145247Sdamien /* write address A7-A0 */ 935145247Sdamien for (n = 7; n >= 0; n--) { 936145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | 937145247Sdamien (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D)); 938145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | 939145247Sdamien (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D) | IPW_EEPROM_C); 940145247Sdamien } 941145247Sdamien 942145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 943145247Sdamien 944145247Sdamien /* read data Q15-Q0 */ 945145247Sdamien val = 0; 946145247Sdamien for (n = 15; n >= 0; n--) { 947145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 948145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 949145247Sdamien tmp = MEM_READ_4(sc, IPW_MEM_EEPROM_CTL); 950145247Sdamien val |= ((tmp & IPW_EEPROM_Q) >> IPW_EEPROM_SHIFT_Q) << n; 951145247Sdamien } 952145247Sdamien 953145247Sdamien IPW_EEPROM_CTL(sc, 0); 954145247Sdamien 955145247Sdamien /* clear Chip Select and clock C */ 956145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 957145247Sdamien IPW_EEPROM_CTL(sc, 0); 958145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_C); 959145247Sdamien 960145247Sdamien return le16toh(val); 961145247Sdamien} 962145247Sdamien 963300239Savosstatic uint16_t 964300239Savosipw_read_chanmask(struct ipw_softc *sc) 965300239Savos{ 966300239Savos uint16_t val; 967300239Savos 968300239Savos /* set supported .11b channels (read from EEPROM) */ 969300239Savos if ((val = ipw_read_prom_word(sc, IPW_EEPROM_CHANNEL_LIST)) == 0) 970300239Savos val = 0x7ff; /* default to channels 1-11 */ 971300239Savos val <<= 1; 972300239Savos 973300239Savos return (val); 974300239Savos} 975300239Savos 976145247Sdamienstatic void 977172567Sthompsaipw_rx_cmd_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf) 978145247Sdamien{ 979145247Sdamien struct ipw_cmd *cmd; 980145247Sdamien 981145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 982145247Sdamien 983145247Sdamien cmd = mtod(sbuf->m, struct ipw_cmd *); 984145247Sdamien 985172567Sthompsa DPRINTFN(9, ("cmd ack'ed %s(%u, %u, %u, %u, %u)\n", 986172567Sthompsa ipw_cmdname(le32toh(cmd->type)), le32toh(cmd->type), 987145247Sdamien le32toh(cmd->subtype), le32toh(cmd->seq), le32toh(cmd->len), 988145247Sdamien le32toh(cmd->status))); 989145247Sdamien 990172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 991145247Sdamien wakeup(sc); 992145247Sdamien} 993145247Sdamien 994145247Sdamienstatic void 995172567Sthompsaipw_rx_newstate_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf) 996145247Sdamien{ 997178354Ssam#define IEEESTATE(vap) ieee80211_state_name[vap->iv_state] 998287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 999178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1000145247Sdamien uint32_t state; 1001145247Sdamien 1002145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 1003145247Sdamien 1004145247Sdamien state = le32toh(*mtod(sbuf->m, uint32_t *)); 1005145247Sdamien 1006145247Sdamien switch (state) { 1007145247Sdamien case IPW_STATE_ASSOCIATED: 1008172567Sthompsa DPRINTFN(2, ("Association succeeded (%s flags 0x%x)\n", 1009178354Ssam IEEESTATE(vap), sc->flags)); 1010178354Ssam /* XXX suppress state change in case the fw auto-associates */ 1011178354Ssam if ((sc->flags & IPW_FLAG_ASSOCIATING) == 0) { 1012178354Ssam DPRINTF(("Unexpected association (%s, flags 0x%x)\n", 1013178354Ssam IEEESTATE(vap), sc->flags)); 1014178354Ssam break; 1015178354Ssam } 1016178354Ssam sc->flags &= ~IPW_FLAG_ASSOCIATING; 1017172567Sthompsa sc->flags |= IPW_FLAG_ASSOCIATED; 1018145247Sdamien break; 1019145247Sdamien 1020145247Sdamien case IPW_STATE_SCANNING: 1021172567Sthompsa DPRINTFN(3, ("Scanning (%s flags 0x%x)\n", 1022178354Ssam IEEESTATE(vap), sc->flags)); 1023172567Sthompsa /* 1024172567Sthompsa * NB: Check driver state for association on assoc 1025172567Sthompsa * loss as the firmware will immediately start to 1026172567Sthompsa * scan and we would treat it as a beacon miss if 1027172567Sthompsa * we checked the 802.11 layer state. 1028172567Sthompsa */ 1029178354Ssam if (sc->flags & IPW_FLAG_ASSOCIATED) { 1030206767Sbschmidt IPW_UNLOCK(sc); 1031178354Ssam /* XXX probably need to issue disassoc to fw */ 1032191746Sthompsa ieee80211_beacon_miss(ic); 1033206767Sbschmidt IPW_LOCK(sc); 1034178354Ssam } 1035145247Sdamien break; 1036145247Sdamien 1037145247Sdamien case IPW_STATE_SCAN_COMPLETE: 1038172567Sthompsa /* 1039172567Sthompsa * XXX For some reason scan requests generate scan 1040172567Sthompsa * started + scan done events before any traffic is 1041172567Sthompsa * received (e.g. probe response frames). We work 1042172567Sthompsa * around this by marking the HACK flag and skipping 1043172567Sthompsa * the first scan complete event. 1044172567Sthompsa */ 1045178354Ssam DPRINTFN(3, ("Scan complete (%s flags 0x%x)\n", 1046178354Ssam IEEESTATE(vap), sc->flags)); 1047172567Sthompsa if (sc->flags & IPW_FLAG_HACK) { 1048172567Sthompsa sc->flags &= ~IPW_FLAG_HACK; 1049172567Sthompsa break; 1050172567Sthompsa } 1051172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) { 1052206767Sbschmidt IPW_UNLOCK(sc); 1053191746Sthompsa ieee80211_scan_done(vap); 1054206767Sbschmidt IPW_LOCK(sc); 1055172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 1056172567Sthompsa sc->sc_scan_timer = 0; 1057172567Sthompsa } 1058145247Sdamien break; 1059145247Sdamien 1060145247Sdamien case IPW_STATE_ASSOCIATION_LOST: 1061172567Sthompsa DPRINTFN(2, ("Association lost (%s flags 0x%x)\n", 1062178354Ssam IEEESTATE(vap), sc->flags)); 1063178354Ssam sc->flags &= ~(IPW_FLAG_ASSOCIATING | IPW_FLAG_ASSOCIATED); 1064206767Sbschmidt if (vap->iv_state == IEEE80211_S_RUN) { 1065206767Sbschmidt IPW_UNLOCK(sc); 1066191746Sthompsa ieee80211_new_state(vap, IEEE80211_S_SCAN, -1); 1067206767Sbschmidt IPW_LOCK(sc); 1068206767Sbschmidt } 1069145247Sdamien break; 1070145247Sdamien 1071172567Sthompsa case IPW_STATE_DISABLED: 1072178354Ssam /* XXX? is this right? */ 1073206763Sbschmidt 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{ 1100287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1101172567Sthompsa 1102172567Sthompsa ic->ic_curchan = chan; 1103192468Ssam ieee80211_radiotap_chan_change(ic); 1104172567Sthompsa} 1105172567Sthompsa 1106172567Sthompsa/* 1107145247Sdamien * XXX: Hack to set the current channel to the value advertised in beacons or 1108145247Sdamien * probe responses. Only used during AP detection. 1109145247Sdamien */ 1110145247Sdamienstatic void 1111172567Sthompsaipw_fix_channel(struct ipw_softc *sc, struct mbuf *m) 1112145247Sdamien{ 1113287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1114172567Sthompsa struct ieee80211_channel *c; 1115145247Sdamien struct ieee80211_frame *wh; 1116145247Sdamien uint8_t subtype; 1117145247Sdamien uint8_t *frm, *efrm; 1118145247Sdamien 1119145247Sdamien wh = mtod(m, struct ieee80211_frame *); 1120145247Sdamien 1121145247Sdamien if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 1122145247Sdamien return; 1123145247Sdamien 1124145247Sdamien subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 1125145247Sdamien 1126145247Sdamien if (subtype != IEEE80211_FC0_SUBTYPE_BEACON && 1127145247Sdamien subtype != IEEE80211_FC0_SUBTYPE_PROBE_RESP) 1128145247Sdamien return; 1129145247Sdamien 1130178354Ssam /* XXX use ieee80211_parse_beacon */ 1131145247Sdamien frm = (uint8_t *)(wh + 1); 1132145247Sdamien efrm = mtod(m, uint8_t *) + m->m_len; 1133145247Sdamien 1134145247Sdamien frm += 12; /* skip tstamp, bintval and capinfo fields */ 1135145247Sdamien while (frm < efrm) { 1136145247Sdamien if (*frm == IEEE80211_ELEMID_DSPARMS) 1137145247Sdamien#if IEEE80211_CHAN_MAX < 255 1138145247Sdamien if (frm[2] <= IEEE80211_CHAN_MAX) 1139145247Sdamien#endif 1140172567Sthompsa { 1141172567Sthompsa DPRINTF(("Fixing channel to %d\n", frm[2])); 1142172567Sthompsa c = ieee80211_find_channel(ic, 1143170530Ssam ieee80211_ieee2mhz(frm[2], 0), 1144172567Sthompsa IEEE80211_CHAN_B); 1145172567Sthompsa if (c == NULL) 1146172567Sthompsa c = &ic->ic_channels[0]; 1147172567Sthompsa ipw_setcurchan(sc, c); 1148172567Sthompsa } 1149145247Sdamien 1150145247Sdamien frm += frm[1] + 2; 1151145247Sdamien } 1152145247Sdamien} 1153145247Sdamien 1154145247Sdamienstatic void 1155172567Sthompsaipw_rx_data_intr(struct ipw_softc *sc, struct ipw_status *status, 1156145247Sdamien struct ipw_soft_bd *sbd, struct ipw_soft_buf *sbuf) 1157145247Sdamien{ 1158287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1159152385Sdamien struct mbuf *mnew, *m; 1160145247Sdamien struct ieee80211_node *ni; 1161145247Sdamien bus_addr_t physaddr; 1162145247Sdamien int error; 1163192468Ssam int8_t rssi, nf; 1164145247Sdamien 1165152385Sdamien DPRINTFN(5, ("received frame len=%u, rssi=%u\n", le32toh(status->len), 1166152385Sdamien status->rssi)); 1167152385Sdamien 1168147757Sdamien if (le32toh(status->len) < sizeof (struct ieee80211_frame_min) || 1169147757Sdamien le32toh(status->len) > MCLBYTES) 1170147757Sdamien return; 1171147757Sdamien 1172152385Sdamien /* 1173152385Sdamien * Try to allocate a new mbuf for this ring element and load it before 1174152385Sdamien * processing the current mbuf. If the ring element cannot be loaded, 1175152385Sdamien * drop the received packet and reuse the old mbuf. In the unlikely 1176152385Sdamien * case that the old mbuf can't be reloaded either, explicitly panic. 1177152385Sdamien */ 1178243857Sglebius mnew = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1179152385Sdamien if (mnew == NULL) { 1180287197Sglebius counter_u64_add(ic->ic_ierrors, 1); 1181152385Sdamien return; 1182152385Sdamien } 1183152385Sdamien 1184145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 1185145247Sdamien bus_dmamap_unload(sc->rxbuf_dmat, sbuf->map); 1186145247Sdamien 1187152385Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, mtod(mnew, void *), 1188152385Sdamien MCLBYTES, ipw_dma_map_addr, &physaddr, 0); 1189152385Sdamien if (error != 0) { 1190152385Sdamien m_freem(mnew); 1191152385Sdamien 1192152385Sdamien /* try to reload the old mbuf */ 1193152385Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, 1194152385Sdamien mtod(sbuf->m, void *), MCLBYTES, ipw_dma_map_addr, 1195152385Sdamien &physaddr, 0); 1196152385Sdamien if (error != 0) { 1197152385Sdamien /* very unlikely that it will fail... */ 1198152385Sdamien panic("%s: could not load old rx mbuf", 1199152385Sdamien device_get_name(sc->sc_dev)); 1200152385Sdamien } 1201287197Sglebius counter_u64_add(ic->ic_ierrors, 1); 1202152385Sdamien return; 1203152385Sdamien } 1204152385Sdamien 1205152385Sdamien /* 1206152385Sdamien * New mbuf successfully loaded, update Rx ring and continue 1207152385Sdamien * processing. 1208152385Sdamien */ 1209152385Sdamien m = sbuf->m; 1210152385Sdamien sbuf->m = mnew; 1211152385Sdamien sbd->bd->physaddr = htole32(physaddr); 1212145247Sdamien m->m_pkthdr.len = m->m_len = le32toh(status->len); 1213145247Sdamien 1214192468Ssam rssi = status->rssi + IPW_RSSI_TO_DBM; 1215192468Ssam nf = -95; 1216192468Ssam if (ieee80211_radiotap_active(ic)) { 1217145247Sdamien struct ipw_rx_radiotap_header *tap = &sc->sc_rxtap; 1218145247Sdamien 1219145247Sdamien tap->wr_flags = 0; 1220192468Ssam tap->wr_antsignal = rssi; 1221192468Ssam tap->wr_antnoise = nf; 1222145247Sdamien } 1223145247Sdamien 1224172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) 1225172567Sthompsa ipw_fix_channel(sc, m); 1226145247Sdamien 1227172567Sthompsa IPW_UNLOCK(sc); 1228178354Ssam ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *)); 1229178354Ssam if (ni != NULL) { 1230206764Sbschmidt (void) ieee80211_input(ni, m, rssi - nf, nf); 1231178354Ssam ieee80211_free_node(ni); 1232178354Ssam } else 1233206764Sbschmidt (void) ieee80211_input_all(ic, m, rssi - nf, nf); 1234172567Sthompsa IPW_LOCK(sc); 1235145247Sdamien 1236145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 1237145247Sdamien} 1238145247Sdamien 1239145247Sdamienstatic void 1240145247Sdamienipw_rx_intr(struct ipw_softc *sc) 1241145247Sdamien{ 1242145247Sdamien struct ipw_status *status; 1243145247Sdamien struct ipw_soft_bd *sbd; 1244145247Sdamien struct ipw_soft_buf *sbuf; 1245145247Sdamien uint32_t r, i; 1246145247Sdamien 1247145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1248145247Sdamien return; 1249145247Sdamien 1250145247Sdamien r = CSR_READ_4(sc, IPW_CSR_RX_READ); 1251145247Sdamien 1252145247Sdamien bus_dmamap_sync(sc->status_dmat, sc->status_map, BUS_DMASYNC_POSTREAD); 1253145247Sdamien 1254145247Sdamien for (i = (sc->rxcur + 1) % IPW_NRBD; i != r; i = (i + 1) % IPW_NRBD) { 1255145247Sdamien status = &sc->status_list[i]; 1256145247Sdamien sbd = &sc->srbd_list[i]; 1257145247Sdamien sbuf = sbd->priv; 1258145247Sdamien 1259145247Sdamien switch (le16toh(status->code) & 0xf) { 1260145247Sdamien case IPW_STATUS_CODE_COMMAND: 1261172567Sthompsa ipw_rx_cmd_intr(sc, sbuf); 1262145247Sdamien break; 1263145247Sdamien 1264145247Sdamien case IPW_STATUS_CODE_NEWSTATE: 1265172567Sthompsa ipw_rx_newstate_intr(sc, sbuf); 1266145247Sdamien break; 1267145247Sdamien 1268145247Sdamien case IPW_STATUS_CODE_DATA_802_3: 1269145247Sdamien case IPW_STATUS_CODE_DATA_802_11: 1270172567Sthompsa ipw_rx_data_intr(sc, status, sbd, sbuf); 1271145247Sdamien break; 1272145247Sdamien 1273145247Sdamien case IPW_STATUS_CODE_NOTIFICATION: 1274172567Sthompsa DPRINTFN(2, ("notification status, len %u flags 0x%x\n", 1275172567Sthompsa le32toh(status->len), status->flags)); 1276178354Ssam /* XXX maybe drive state machine AUTH->ASSOC? */ 1277145247Sdamien break; 1278145247Sdamien 1279145247Sdamien default: 1280172567Sthompsa device_printf(sc->sc_dev, "unexpected status code %u\n", 1281145247Sdamien le16toh(status->code)); 1282145247Sdamien } 1283145247Sdamien 1284145247Sdamien /* firmware was killed, stop processing received frames */ 1285145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1286145247Sdamien return; 1287145247Sdamien 1288145247Sdamien sbd->bd->flags = 0; 1289145247Sdamien } 1290145247Sdamien 1291145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 1292145247Sdamien 1293145247Sdamien /* kick the firmware */ 1294145247Sdamien sc->rxcur = (r == 0) ? IPW_NRBD - 1 : r - 1; 1295145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_WRITE, sc->rxcur); 1296145247Sdamien} 1297145247Sdamien 1298145247Sdamienstatic void 1299145247Sdamienipw_release_sbd(struct ipw_softc *sc, struct ipw_soft_bd *sbd) 1300145247Sdamien{ 1301145247Sdamien struct ipw_soft_hdr *shdr; 1302145247Sdamien struct ipw_soft_buf *sbuf; 1303145247Sdamien 1304145247Sdamien switch (sbd->type) { 1305145247Sdamien case IPW_SBD_TYPE_COMMAND: 1306145247Sdamien bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map, 1307145247Sdamien BUS_DMASYNC_POSTWRITE); 1308145247Sdamien bus_dmamap_unload(sc->cmd_dmat, sc->cmd_map); 1309145247Sdamien break; 1310145247Sdamien 1311145247Sdamien case IPW_SBD_TYPE_HEADER: 1312145247Sdamien shdr = sbd->priv; 1313145247Sdamien bus_dmamap_sync(sc->hdr_dmat, shdr->map, BUS_DMASYNC_POSTWRITE); 1314145247Sdamien bus_dmamap_unload(sc->hdr_dmat, shdr->map); 1315145247Sdamien SLIST_INSERT_HEAD(&sc->free_shdr, shdr, next); 1316145247Sdamien break; 1317145247Sdamien 1318145247Sdamien case IPW_SBD_TYPE_DATA: 1319145247Sdamien sbuf = sbd->priv; 1320145247Sdamien bus_dmamap_sync(sc->txbuf_dmat, sbuf->map, 1321145247Sdamien BUS_DMASYNC_POSTWRITE); 1322145247Sdamien bus_dmamap_unload(sc->txbuf_dmat, sbuf->map); 1323145247Sdamien SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next); 1324145247Sdamien 1325343907Savos ieee80211_tx_complete(sbuf->ni, sbuf->m, 0/*XXX*/); 1326145247Sdamien 1327145247Sdamien sc->sc_tx_timer = 0; 1328145247Sdamien break; 1329145247Sdamien } 1330145247Sdamien 1331145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 1332145247Sdamien} 1333145247Sdamien 1334145247Sdamienstatic void 1335145247Sdamienipw_tx_intr(struct ipw_softc *sc) 1336145247Sdamien{ 1337145247Sdamien struct ipw_soft_bd *sbd; 1338145247Sdamien uint32_t r, i; 1339145247Sdamien 1340145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1341145247Sdamien return; 1342145247Sdamien 1343145247Sdamien r = CSR_READ_4(sc, IPW_CSR_TX_READ); 1344145247Sdamien 1345145247Sdamien for (i = (sc->txold + 1) % IPW_NTBD; i != r; i = (i + 1) % IPW_NTBD) { 1346145247Sdamien sbd = &sc->stbd_list[i]; 1347145247Sdamien ipw_release_sbd(sc, sbd); 1348145247Sdamien sc->txfree++; 1349145247Sdamien } 1350145247Sdamien 1351145247Sdamien /* remember what the firmware has processed */ 1352145247Sdamien sc->txold = (r == 0) ? IPW_NTBD - 1 : r - 1; 1353145247Sdamien 1354287197Sglebius ipw_start(sc); 1355145247Sdamien} 1356145247Sdamien 1357145247Sdamienstatic void 1358191746Sthompsaipw_fatal_error_intr(struct ipw_softc *sc) 1359191746Sthompsa{ 1360287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1361191956Sthompsa struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1362191746Sthompsa 1363191746Sthompsa device_printf(sc->sc_dev, "firmware error\n"); 1364206767Sbschmidt if (vap != NULL) { 1365206767Sbschmidt IPW_UNLOCK(sc); 1366191956Sthompsa ieee80211_cancel_scan(vap); 1367206767Sbschmidt IPW_LOCK(sc); 1368206767Sbschmidt } 1369191746Sthompsa ieee80211_runtask(ic, &sc->sc_init_task); 1370191746Sthompsa} 1371191746Sthompsa 1372191746Sthompsastatic void 1373145247Sdamienipw_intr(void *arg) 1374145247Sdamien{ 1375145247Sdamien struct ipw_softc *sc = arg; 1376145247Sdamien uint32_t r; 1377145247Sdamien 1378172567Sthompsa IPW_LOCK(sc); 1379145247Sdamien 1380191746Sthompsa r = CSR_READ_4(sc, IPW_CSR_INTR); 1381191746Sthompsa if (r == 0 || r == 0xffffffff) 1382191746Sthompsa goto done; 1383145247Sdamien 1384145247Sdamien /* disable interrupts */ 1385145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0); 1386145247Sdamien 1387156599Sdamien /* acknowledge all interrupts */ 1388156599Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR, r); 1389156599Sdamien 1390145247Sdamien if (r & (IPW_INTR_FATAL_ERROR | IPW_INTR_PARITY_ERROR)) { 1391191746Sthompsa ipw_fatal_error_intr(sc); 1392191746Sthompsa goto done; 1393145247Sdamien } 1394145247Sdamien 1395156599Sdamien if (r & IPW_INTR_FW_INIT_DONE) 1396156599Sdamien wakeup(sc); 1397145247Sdamien 1398145247Sdamien if (r & IPW_INTR_RX_TRANSFER) 1399145247Sdamien ipw_rx_intr(sc); 1400145247Sdamien 1401145247Sdamien if (r & IPW_INTR_TX_TRANSFER) 1402145247Sdamien ipw_tx_intr(sc); 1403145247Sdamien 1404145247Sdamien /* re-enable interrupts */ 1405145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK); 1406191746Sthompsadone: 1407172567Sthompsa IPW_UNLOCK(sc); 1408145247Sdamien} 1409145247Sdamien 1410145247Sdamienstatic void 1411145247Sdamienipw_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) 1412145247Sdamien{ 1413145247Sdamien if (error != 0) 1414145247Sdamien return; 1415145247Sdamien 1416145247Sdamien KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 1417145247Sdamien 1418145247Sdamien *(bus_addr_t *)arg = segs[0].ds_addr; 1419145247Sdamien} 1420145247Sdamien 1421172567Sthompsastatic const char * 1422172567Sthompsaipw_cmdname(int cmd) 1423172567Sthompsa{ 1424172567Sthompsa static const struct { 1425172567Sthompsa int cmd; 1426172567Sthompsa const char *name; 1427172567Sthompsa } cmds[] = { 1428172567Sthompsa { IPW_CMD_ADD_MULTICAST, "ADD_MULTICAST" }, 1429172567Sthompsa { IPW_CMD_BROADCAST_SCAN, "BROADCAST_SCAN" }, 1430172567Sthompsa { IPW_CMD_DISABLE, "DISABLE" }, 1431172567Sthompsa { IPW_CMD_DISABLE_PHY, "DISABLE_PHY" }, 1432172567Sthompsa { IPW_CMD_ENABLE, "ENABLE" }, 1433172567Sthompsa { IPW_CMD_PREPARE_POWER_DOWN, "PREPARE_POWER_DOWN" }, 1434172567Sthompsa { IPW_CMD_SET_BASIC_TX_RATES, "SET_BASIC_TX_RATES" }, 1435172567Sthompsa { IPW_CMD_SET_BEACON_INTERVAL, "SET_BEACON_INTERVAL" }, 1436172567Sthompsa { IPW_CMD_SET_CHANNEL, "SET_CHANNEL" }, 1437172567Sthompsa { IPW_CMD_SET_CONFIGURATION, "SET_CONFIGURATION" }, 1438172567Sthompsa { IPW_CMD_SET_DESIRED_BSSID, "SET_DESIRED_BSSID" }, 1439172567Sthompsa { IPW_CMD_SET_ESSID, "SET_ESSID" }, 1440172567Sthompsa { IPW_CMD_SET_FRAG_THRESHOLD, "SET_FRAG_THRESHOLD" }, 1441172567Sthompsa { IPW_CMD_SET_MAC_ADDRESS, "SET_MAC_ADDRESS" }, 1442172567Sthompsa { IPW_CMD_SET_MANDATORY_BSSID, "SET_MANDATORY_BSSID" }, 1443172567Sthompsa { IPW_CMD_SET_MODE, "SET_MODE" }, 1444172567Sthompsa { IPW_CMD_SET_MSDU_TX_RATES, "SET_MSDU_TX_RATES" }, 1445172567Sthompsa { IPW_CMD_SET_POWER_MODE, "SET_POWER_MODE" }, 1446172567Sthompsa { IPW_CMD_SET_RTS_THRESHOLD, "SET_RTS_THRESHOLD" }, 1447172567Sthompsa { IPW_CMD_SET_SCAN_OPTIONS, "SET_SCAN_OPTIONS" }, 1448172567Sthompsa { IPW_CMD_SET_SECURITY_INFO, "SET_SECURITY_INFO" }, 1449172567Sthompsa { IPW_CMD_SET_TX_POWER_INDEX, "SET_TX_POWER_INDEX" }, 1450172567Sthompsa { IPW_CMD_SET_TX_RATES, "SET_TX_RATES" }, 1451172567Sthompsa { IPW_CMD_SET_WEP_FLAGS, "SET_WEP_FLAGS" }, 1452172567Sthompsa { IPW_CMD_SET_WEP_KEY, "SET_WEP_KEY" }, 1453172567Sthompsa { IPW_CMD_SET_WEP_KEY_INDEX, "SET_WEP_KEY_INDEX" }, 1454172567Sthompsa { IPW_CMD_SET_WPA_IE, "SET_WPA_IE" }, 1455172567Sthompsa 1456172567Sthompsa }; 1457172567Sthompsa static char buf[12]; 1458172567Sthompsa int i; 1459172567Sthompsa 1460288087Sadrian for (i = 0; i < nitems(cmds); i++) 1461172567Sthompsa if (cmds[i].cmd == cmd) 1462172567Sthompsa return cmds[i].name; 1463172567Sthompsa snprintf(buf, sizeof(buf), "%u", cmd); 1464172567Sthompsa return buf; 1465172567Sthompsa} 1466172567Sthompsa 1467145247Sdamien/* 1468145247Sdamien * Send a command to the firmware and wait for the acknowledgement. 1469145247Sdamien */ 1470145247Sdamienstatic int 1471145247Sdamienipw_cmd(struct ipw_softc *sc, uint32_t type, void *data, uint32_t len) 1472145247Sdamien{ 1473145247Sdamien struct ipw_soft_bd *sbd; 1474145247Sdamien bus_addr_t physaddr; 1475145247Sdamien int error; 1476145247Sdamien 1477178354Ssam IPW_LOCK_ASSERT(sc); 1478178354Ssam 1479172567Sthompsa if (sc->flags & IPW_FLAG_BUSY) { 1480172567Sthompsa device_printf(sc->sc_dev, "%s: %s not sent, busy\n", 1481172567Sthompsa __func__, ipw_cmdname(type)); 1482172567Sthompsa return EAGAIN; 1483172567Sthompsa } 1484172567Sthompsa sc->flags |= IPW_FLAG_BUSY; 1485172567Sthompsa 1486145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1487145247Sdamien 1488145247Sdamien error = bus_dmamap_load(sc->cmd_dmat, sc->cmd_map, &sc->cmd, 1489145247Sdamien sizeof (struct ipw_cmd), ipw_dma_map_addr, &physaddr, 0); 1490145247Sdamien if (error != 0) { 1491145247Sdamien device_printf(sc->sc_dev, "could not map command DMA memory\n"); 1492172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 1493145247Sdamien return error; 1494145247Sdamien } 1495145247Sdamien 1496145247Sdamien sc->cmd.type = htole32(type); 1497145247Sdamien sc->cmd.subtype = 0; 1498145247Sdamien sc->cmd.len = htole32(len); 1499145247Sdamien sc->cmd.seq = 0; 1500152637Sdamien memcpy(sc->cmd.data, data, len); 1501145247Sdamien 1502145247Sdamien sbd->type = IPW_SBD_TYPE_COMMAND; 1503145247Sdamien sbd->bd->physaddr = htole32(physaddr); 1504145247Sdamien sbd->bd->len = htole32(sizeof (struct ipw_cmd)); 1505145247Sdamien sbd->bd->nfrag = 1; 1506145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_COMMAND | 1507145247Sdamien IPW_BD_FLAG_TX_LAST_FRAGMENT; 1508145247Sdamien 1509145247Sdamien bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map, BUS_DMASYNC_PREWRITE); 1510145247Sdamien bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE); 1511145247Sdamien 1512172567Sthompsa#ifdef IPW_DEBUG 1513172567Sthompsa if (ipw_debug >= 4) { 1514172567Sthompsa printf("sending %s(%u, %u, %u, %u)", ipw_cmdname(type), type, 1515172567Sthompsa 0, 0, len); 1516172567Sthompsa /* Print the data buffer in the higher debug level */ 1517172567Sthompsa if (ipw_debug >= 9 && len > 0) { 1518172567Sthompsa printf(" data: 0x"); 1519172567Sthompsa for (int i = 1; i <= len; i++) 1520174269Swkoszek printf("%1D", (u_char *)data + len - i, ""); 1521172567Sthompsa } 1522172567Sthompsa printf("\n"); 1523172567Sthompsa } 1524172567Sthompsa#endif 1525145247Sdamien 1526145247Sdamien /* kick firmware */ 1527145247Sdamien sc->txfree--; 1528145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1529145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 1530145247Sdamien 1531145247Sdamien /* wait at most one second for command to complete */ 1532172567Sthompsa error = msleep(sc, &sc->sc_mtx, 0, "ipwcmd", hz); 1533172567Sthompsa if (error != 0) { 1534172567Sthompsa device_printf(sc->sc_dev, "%s: %s failed, timeout (error %u)\n", 1535172567Sthompsa __func__, ipw_cmdname(type), error); 1536172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 1537172567Sthompsa return (error); 1538172567Sthompsa } 1539172567Sthompsa return (0); 1540145247Sdamien} 1541145247Sdamien 1542145247Sdamienstatic int 1543287197Sglebiusipw_tx_start(struct ipw_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 1544145247Sdamien{ 1545287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1546192468Ssam struct ieee80211vap *vap = ni->ni_vap; 1547145247Sdamien struct ieee80211_frame *wh; 1548145247Sdamien struct ipw_soft_bd *sbd; 1549145247Sdamien struct ipw_soft_hdr *shdr; 1550145247Sdamien struct ipw_soft_buf *sbuf; 1551145247Sdamien struct ieee80211_key *k; 1552145247Sdamien struct mbuf *mnew; 1553145247Sdamien bus_dma_segment_t segs[IPW_MAX_NSEG]; 1554145247Sdamien bus_addr_t physaddr; 1555145247Sdamien int nsegs, error, i; 1556145247Sdamien 1557145247Sdamien wh = mtod(m0, struct ieee80211_frame *); 1558145247Sdamien 1559260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 1560178354Ssam k = ieee80211_crypto_encap(ni, m0); 1561147806Ssam if (k == NULL) { 1562147806Ssam m_freem(m0); 1563145247Sdamien return ENOBUFS; 1564147806Ssam } 1565145247Sdamien /* packet header may have moved, reset our local pointer */ 1566145247Sdamien wh = mtod(m0, struct ieee80211_frame *); 1567145247Sdamien } 1568145247Sdamien 1569192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 1570145247Sdamien struct ipw_tx_radiotap_header *tap = &sc->sc_txtap; 1571145247Sdamien 1572145247Sdamien tap->wt_flags = 0; 1573145247Sdamien 1574192468Ssam ieee80211_radiotap_tx(vap, m0); 1575145247Sdamien } 1576145247Sdamien 1577145247Sdamien shdr = SLIST_FIRST(&sc->free_shdr); 1578145247Sdamien sbuf = SLIST_FIRST(&sc->free_sbuf); 1579145247Sdamien KASSERT(shdr != NULL && sbuf != NULL, ("empty sw hdr/buf pool")); 1580145247Sdamien 1581145247Sdamien shdr->hdr.type = htole32(IPW_HDR_TYPE_SEND); 1582145247Sdamien shdr->hdr.subtype = 0; 1583260444Skevlo shdr->hdr.encrypted = (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) ? 1 : 0; 1584145247Sdamien shdr->hdr.encrypt = 0; 1585145247Sdamien shdr->hdr.keyidx = 0; 1586145247Sdamien shdr->hdr.keysz = 0; 1587145247Sdamien shdr->hdr.fragmentsz = 0; 1588145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.src_addr, wh->i_addr2); 1589145247Sdamien if (ic->ic_opmode == IEEE80211_M_STA) 1590145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr3); 1591145247Sdamien else 1592145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr1); 1593145247Sdamien 1594145247Sdamien /* trim IEEE802.11 header */ 1595145247Sdamien m_adj(m0, sizeof (struct ieee80211_frame)); 1596145247Sdamien 1597145247Sdamien error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0, segs, 1598145247Sdamien &nsegs, 0); 1599145247Sdamien if (error != 0 && error != EFBIG) { 1600145247Sdamien device_printf(sc->sc_dev, "could not map mbuf (error %d)\n", 1601145247Sdamien error); 1602145247Sdamien m_freem(m0); 1603145247Sdamien return error; 1604145247Sdamien } 1605145247Sdamien if (error != 0) { 1606243857Sglebius mnew = m_defrag(m0, M_NOWAIT); 1607145247Sdamien if (mnew == NULL) { 1608145247Sdamien device_printf(sc->sc_dev, 1609145247Sdamien "could not defragment mbuf\n"); 1610145247Sdamien m_freem(m0); 1611145247Sdamien return ENOBUFS; 1612145247Sdamien } 1613145247Sdamien m0 = mnew; 1614145247Sdamien 1615145247Sdamien error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0, 1616145247Sdamien segs, &nsegs, 0); 1617145247Sdamien if (error != 0) { 1618145247Sdamien device_printf(sc->sc_dev, 1619145247Sdamien "could not map mbuf (error %d)\n", error); 1620145247Sdamien m_freem(m0); 1621145247Sdamien return error; 1622145247Sdamien } 1623145247Sdamien } 1624145247Sdamien 1625145247Sdamien error = bus_dmamap_load(sc->hdr_dmat, shdr->map, &shdr->hdr, 1626145247Sdamien sizeof (struct ipw_hdr), ipw_dma_map_addr, &physaddr, 0); 1627145247Sdamien if (error != 0) { 1628145247Sdamien device_printf(sc->sc_dev, "could not map header DMA memory\n"); 1629145247Sdamien bus_dmamap_unload(sc->txbuf_dmat, sbuf->map); 1630145247Sdamien m_freem(m0); 1631145247Sdamien return error; 1632145247Sdamien } 1633145247Sdamien 1634145247Sdamien SLIST_REMOVE_HEAD(&sc->free_sbuf, next); 1635145247Sdamien SLIST_REMOVE_HEAD(&sc->free_shdr, next); 1636145247Sdamien 1637145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1638145247Sdamien sbd->type = IPW_SBD_TYPE_HEADER; 1639145247Sdamien sbd->priv = shdr; 1640145247Sdamien sbd->bd->physaddr = htole32(physaddr); 1641145247Sdamien sbd->bd->len = htole32(sizeof (struct ipw_hdr)); 1642145247Sdamien sbd->bd->nfrag = 1 + nsegs; 1643145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3 | 1644145247Sdamien IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT; 1645145247Sdamien 1646145247Sdamien DPRINTFN(5, ("sending tx hdr (%u, %u, %u, %u, %6D, %6D)\n", 1647145247Sdamien shdr->hdr.type, shdr->hdr.subtype, shdr->hdr.encrypted, 1648145247Sdamien shdr->hdr.encrypt, shdr->hdr.src_addr, ":", shdr->hdr.dst_addr, 1649145247Sdamien ":")); 1650145247Sdamien 1651145247Sdamien sc->txfree--; 1652145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1653145247Sdamien 1654145247Sdamien sbuf->m = m0; 1655145247Sdamien sbuf->ni = ni; 1656145247Sdamien 1657145247Sdamien for (i = 0; i < nsegs; i++) { 1658145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1659145247Sdamien 1660145247Sdamien sbd->bd->physaddr = htole32(segs[i].ds_addr); 1661145247Sdamien sbd->bd->len = htole32(segs[i].ds_len); 1662145247Sdamien sbd->bd->nfrag = 0; 1663145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3; 1664145247Sdamien if (i == nsegs - 1) { 1665145247Sdamien sbd->type = IPW_SBD_TYPE_DATA; 1666145247Sdamien sbd->priv = sbuf; 1667145247Sdamien sbd->bd->flags |= IPW_BD_FLAG_TX_LAST_FRAGMENT; 1668145247Sdamien } else { 1669145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 1670145247Sdamien sbd->bd->flags |= IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT; 1671145247Sdamien } 1672145247Sdamien 1673172574Sthompsa DPRINTFN(5, ("sending fragment (%d)\n", i)); 1674145247Sdamien 1675145247Sdamien sc->txfree--; 1676145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1677145247Sdamien } 1678145247Sdamien 1679145247Sdamien bus_dmamap_sync(sc->hdr_dmat, shdr->map, BUS_DMASYNC_PREWRITE); 1680145247Sdamien bus_dmamap_sync(sc->txbuf_dmat, sbuf->map, BUS_DMASYNC_PREWRITE); 1681145247Sdamien bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE); 1682145247Sdamien 1683145247Sdamien /* kick firmware */ 1684145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 1685145247Sdamien 1686145247Sdamien return 0; 1687145247Sdamien} 1688145247Sdamien 1689178354Ssamstatic int 1690178354Ssamipw_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 1691178354Ssam const struct ieee80211_bpf_params *params) 1692178354Ssam{ 1693178354Ssam /* no support; just discard */ 1694178354Ssam m_freem(m); 1695178354Ssam ieee80211_free_node(ni); 1696178354Ssam return 0; 1697178354Ssam} 1698178354Ssam 1699287197Sglebiusstatic int 1700287197Sglebiusipw_transmit(struct ieee80211com *ic, struct mbuf *m) 1701145247Sdamien{ 1702287197Sglebius struct ipw_softc *sc = ic->ic_softc; 1703287197Sglebius int error; 1704172567Sthompsa 1705172567Sthompsa IPW_LOCK(sc); 1706287197Sglebius if ((sc->flags & IPW_FLAG_RUNNING) == 0) { 1707287197Sglebius IPW_UNLOCK(sc); 1708287197Sglebius return (ENXIO); 1709287197Sglebius } 1710287197Sglebius error = mbufq_enqueue(&sc->sc_snd, m); 1711287197Sglebius if (error) { 1712287197Sglebius IPW_UNLOCK(sc); 1713287197Sglebius return (error); 1714287197Sglebius } 1715287197Sglebius ipw_start(sc); 1716172567Sthompsa IPW_UNLOCK(sc); 1717287197Sglebius return (0); 1718172567Sthompsa} 1719172567Sthompsa 1720172567Sthompsastatic void 1721287197Sglebiusipw_start(struct ipw_softc *sc) 1722172567Sthompsa{ 1723145247Sdamien struct ieee80211_node *ni; 1724178354Ssam struct mbuf *m; 1725145247Sdamien 1726172567Sthompsa IPW_LOCK_ASSERT(sc); 1727145247Sdamien 1728339976Sglebius while (sc->txfree >= 1 + IPW_MAX_NSEG && 1729287197Sglebius (m = mbufq_dequeue(&sc->sc_snd)) != NULL) { 1730178354Ssam ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; 1731287197Sglebius if (ipw_tx_start(sc, m, ni) != 0) { 1732287197Sglebius if_inc_counter(ni->ni_vap->iv_ifp, 1733287197Sglebius IFCOUNTER_OERRORS, 1); 1734145247Sdamien ieee80211_free_node(ni); 1735145247Sdamien break; 1736145247Sdamien } 1737145247Sdamien /* start watchdog timer */ 1738145247Sdamien sc->sc_tx_timer = 5; 1739145247Sdamien } 1740145247Sdamien} 1741145247Sdamien 1742145247Sdamienstatic void 1743172567Sthompsaipw_watchdog(void *arg) 1744145247Sdamien{ 1745172567Sthompsa struct ipw_softc *sc = arg; 1746287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1747145247Sdamien 1748172567Sthompsa IPW_LOCK_ASSERT(sc); 1749156599Sdamien 1750145247Sdamien if (sc->sc_tx_timer > 0) { 1751145247Sdamien if (--sc->sc_tx_timer == 0) { 1752287197Sglebius device_printf(sc->sc_dev, "device timeout\n"); 1753287197Sglebius counter_u64_add(ic->ic_oerrors, 1); 1754178354Ssam taskqueue_enqueue(taskqueue_swi, &sc->sc_init_task); 1755145247Sdamien } 1756145247Sdamien } 1757172567Sthompsa if (sc->sc_scan_timer > 0) { 1758172567Sthompsa if (--sc->sc_scan_timer == 0) { 1759172567Sthompsa DPRINTFN(3, ("Scan timeout\n")); 1760172567Sthompsa /* End the scan */ 1761172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) { 1762206767Sbschmidt IPW_UNLOCK(sc); 1763178354Ssam ieee80211_scan_done(TAILQ_FIRST(&ic->ic_vaps)); 1764206767Sbschmidt IPW_LOCK(sc); 1765172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 1766172567Sthompsa } 1767172567Sthompsa } 1768172567Sthompsa } 1769287197Sglebius if (sc->flags & IPW_FLAG_RUNNING) 1770172567Sthompsa callout_reset(&sc->sc_wdtimer, hz, ipw_watchdog, sc); 1771145247Sdamien} 1772145247Sdamien 1773287197Sglebiusstatic void 1774287197Sglebiusipw_parent(struct ieee80211com *ic) 1775145247Sdamien{ 1776287197Sglebius struct ipw_softc *sc = ic->ic_softc; 1777287197Sglebius int startall = 0; 1778145247Sdamien 1779287197Sglebius IPW_LOCK(sc); 1780287197Sglebius if (ic->ic_nrunning > 0) { 1781287197Sglebius if (!(sc->flags & IPW_FLAG_RUNNING)) { 1782287197Sglebius ipw_init_locked(sc); 1783287197Sglebius startall = 1; 1784145247Sdamien } 1785287197Sglebius } else if (sc->flags & IPW_FLAG_RUNNING) 1786287197Sglebius ipw_stop_locked(sc); 1787287197Sglebius IPW_UNLOCK(sc); 1788287197Sglebius if (startall) 1789287197Sglebius ieee80211_start_all(ic); 1790145247Sdamien} 1791145247Sdamien 1792145247Sdamienstatic void 1793145247Sdamienipw_stop_master(struct ipw_softc *sc) 1794145247Sdamien{ 1795156599Sdamien uint32_t tmp; 1796145247Sdamien int ntries; 1797145247Sdamien 1798145247Sdamien /* disable interrupts */ 1799145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0); 1800145247Sdamien 1801145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_STOP_MASTER); 1802145247Sdamien for (ntries = 0; ntries < 50; ntries++) { 1803145247Sdamien if (CSR_READ_4(sc, IPW_CSR_RST) & IPW_RST_MASTER_DISABLED) 1804145247Sdamien break; 1805145247Sdamien DELAY(10); 1806145247Sdamien } 1807145247Sdamien if (ntries == 50) 1808145247Sdamien device_printf(sc->sc_dev, "timeout waiting for master\n"); 1809145247Sdamien 1810156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_RST); 1811156599Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_PRINCETON_RESET); 1812145247Sdamien 1813172567Sthompsa /* Clear all flags except the following */ 1814172567Sthompsa sc->flags &= IPW_FLAG_HAS_RADIO_SWITCH; 1815145247Sdamien} 1816145247Sdamien 1817145247Sdamienstatic int 1818145247Sdamienipw_reset(struct ipw_softc *sc) 1819145247Sdamien{ 1820156599Sdamien uint32_t tmp; 1821145247Sdamien int ntries; 1822145247Sdamien 1823145247Sdamien ipw_stop_master(sc); 1824145247Sdamien 1825145247Sdamien /* move adapter to D0 state */ 1826156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1827156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_INIT); 1828145247Sdamien 1829145247Sdamien /* wait for clock stabilization */ 1830145247Sdamien for (ntries = 0; ntries < 1000; ntries++) { 1831145247Sdamien if (CSR_READ_4(sc, IPW_CSR_CTL) & IPW_CTL_CLOCK_READY) 1832145247Sdamien break; 1833145247Sdamien DELAY(200); 1834145247Sdamien } 1835145247Sdamien if (ntries == 1000) 1836145247Sdamien return EIO; 1837145247Sdamien 1838156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_RST); 1839156599Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_SW_RESET); 1840145247Sdamien 1841145247Sdamien DELAY(10); 1842145247Sdamien 1843156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1844156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_INIT); 1845145247Sdamien 1846145247Sdamien return 0; 1847145247Sdamien} 1848145247Sdamien 1849172567Sthompsastatic int 1850172567Sthompsaipw_waitfordisable(struct ipw_softc *sc, int waitfor) 1851172567Sthompsa{ 1852172567Sthompsa int ms = hz < 1000 ? 1 : hz/10; 1853172567Sthompsa int i, error; 1854172567Sthompsa 1855172567Sthompsa for (i = 0; i < 100; i++) { 1856172567Sthompsa if (ipw_read_table1(sc, IPW_INFO_CARD_DISABLED) == waitfor) 1857172567Sthompsa return 0; 1858172567Sthompsa error = msleep(sc, &sc->sc_mtx, PCATCH, __func__, ms); 1859172567Sthompsa if (error == 0 || error != EWOULDBLOCK) 1860172567Sthompsa return 0; 1861172567Sthompsa } 1862172567Sthompsa DPRINTF(("%s: timeout waiting for %s\n", 1863172567Sthompsa __func__, waitfor ? "disable" : "enable")); 1864172567Sthompsa return ETIMEDOUT; 1865172567Sthompsa} 1866172567Sthompsa 1867172567Sthompsastatic int 1868172567Sthompsaipw_enable(struct ipw_softc *sc) 1869172567Sthompsa{ 1870172567Sthompsa int error; 1871172567Sthompsa 1872172567Sthompsa if ((sc->flags & IPW_FLAG_ENABLED) == 0) { 1873172567Sthompsa DPRINTF(("Enable adapter\n")); 1874172567Sthompsa error = ipw_cmd(sc, IPW_CMD_ENABLE, NULL, 0); 1875172567Sthompsa if (error != 0) 1876172567Sthompsa return error; 1877172567Sthompsa error = ipw_waitfordisable(sc, 0); 1878172567Sthompsa if (error != 0) 1879172567Sthompsa return error; 1880172567Sthompsa sc->flags |= IPW_FLAG_ENABLED; 1881172567Sthompsa } 1882172567Sthompsa return 0; 1883172567Sthompsa} 1884172567Sthompsa 1885172567Sthompsastatic int 1886172567Sthompsaipw_disable(struct ipw_softc *sc) 1887172567Sthompsa{ 1888172567Sthompsa int error; 1889172567Sthompsa 1890172567Sthompsa if (sc->flags & IPW_FLAG_ENABLED) { 1891172567Sthompsa DPRINTF(("Disable adapter\n")); 1892172567Sthompsa error = ipw_cmd(sc, IPW_CMD_DISABLE, NULL, 0); 1893172567Sthompsa if (error != 0) 1894172567Sthompsa return error; 1895172567Sthompsa error = ipw_waitfordisable(sc, 1); 1896172567Sthompsa if (error != 0) 1897172567Sthompsa return error; 1898172567Sthompsa sc->flags &= ~IPW_FLAG_ENABLED; 1899172567Sthompsa } 1900172567Sthompsa return 0; 1901172567Sthompsa} 1902172567Sthompsa 1903145247Sdamien/* 1904145247Sdamien * Upload the microcode to the device. 1905145247Sdamien */ 1906145247Sdamienstatic int 1907156599Sdamienipw_load_ucode(struct ipw_softc *sc, const char *uc, int size) 1908145247Sdamien{ 1909145247Sdamien int ntries; 1910145247Sdamien 1911145247Sdamien MEM_WRITE_4(sc, 0x3000e0, 0x80000000); 1912145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, 0); 1913145247Sdamien 1914145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0703); 1915145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0707); 1916145247Sdamien 1917145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1918145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1919145247Sdamien 1920145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x40); 1921145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1922145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x40); 1923145247Sdamien 1924145247Sdamien MEM_WRITE_MULTI_1(sc, 0x210010, uc, size); 1925145247Sdamien 1926145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1927145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1928145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x80); 1929145247Sdamien 1930145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0703); 1931145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0707); 1932145247Sdamien 1933145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1934145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1935145247Sdamien 1936145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1937145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x80); 1938145247Sdamien 1939145247Sdamien for (ntries = 0; ntries < 10; ntries++) { 1940145247Sdamien if (MEM_READ_1(sc, 0x210000) & 1) 1941145247Sdamien break; 1942145247Sdamien DELAY(10); 1943145247Sdamien } 1944145247Sdamien if (ntries == 10) { 1945145247Sdamien device_printf(sc->sc_dev, 1946145247Sdamien "timeout waiting for ucode to initialize\n"); 1947145247Sdamien return EIO; 1948145247Sdamien } 1949145247Sdamien 1950145247Sdamien MEM_WRITE_4(sc, 0x3000e0, 0); 1951145247Sdamien 1952145247Sdamien return 0; 1953145247Sdamien} 1954145247Sdamien 1955145247Sdamien/* set of macros to handle unaligned little endian data in firmware image */ 1956145247Sdamien#define GETLE32(p) ((p)[0] | (p)[1] << 8 | (p)[2] << 16 | (p)[3] << 24) 1957145247Sdamien#define GETLE16(p) ((p)[0] | (p)[1] << 8) 1958145247Sdamienstatic int 1959156599Sdamienipw_load_firmware(struct ipw_softc *sc, const char *fw, int size) 1960145247Sdamien{ 1961156599Sdamien const uint8_t *p, *end; 1962156599Sdamien uint32_t tmp, dst; 1963145247Sdamien uint16_t len; 1964145247Sdamien int error; 1965145247Sdamien 1966145247Sdamien p = fw; 1967145247Sdamien end = fw + size; 1968145247Sdamien while (p < end) { 1969145247Sdamien dst = GETLE32(p); p += 4; 1970145247Sdamien len = GETLE16(p); p += 2; 1971145247Sdamien 1972145247Sdamien ipw_write_mem_1(sc, dst, p, len); 1973145247Sdamien p += len; 1974145247Sdamien } 1975145247Sdamien 1976145247Sdamien CSR_WRITE_4(sc, IPW_CSR_IO, IPW_IO_GPIO1_ENABLE | IPW_IO_GPIO3_MASK | 1977145247Sdamien IPW_IO_LED_OFF); 1978145247Sdamien 1979145247Sdamien /* enable interrupts */ 1980145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK); 1981145247Sdamien 1982145247Sdamien /* kick the firmware */ 1983145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, 0); 1984145247Sdamien 1985156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1986156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_ALLOW_STANDBY); 1987145247Sdamien 1988145247Sdamien /* wait at most one second for firmware initialization to complete */ 1989145247Sdamien if ((error = msleep(sc, &sc->sc_mtx, 0, "ipwinit", hz)) != 0) { 1990145247Sdamien device_printf(sc->sc_dev, "timeout waiting for firmware " 1991145247Sdamien "initialization to complete\n"); 1992145247Sdamien return error; 1993145247Sdamien } 1994145247Sdamien 1995156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_IO); 1996156599Sdamien CSR_WRITE_4(sc, IPW_CSR_IO, tmp | IPW_IO_GPIO1_MASK | 1997156599Sdamien IPW_IO_GPIO3_MASK); 1998145247Sdamien 1999145247Sdamien return 0; 2000145247Sdamien} 2001145247Sdamien 2002145247Sdamienstatic int 2003172567Sthompsaipw_setwepkeys(struct ipw_softc *sc) 2004172567Sthompsa{ 2005287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 2006178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2007172567Sthompsa struct ipw_wep_key wepkey; 2008172567Sthompsa struct ieee80211_key *wk; 2009172567Sthompsa int error, i; 2010172567Sthompsa 2011172567Sthompsa for (i = 0; i < IEEE80211_WEP_NKID; i++) { 2012178354Ssam wk = &vap->iv_nw_keys[i]; 2013172567Sthompsa 2014172567Sthompsa if (wk->wk_cipher == NULL || 2015172567Sthompsa wk->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP) 2016172567Sthompsa continue; 2017172567Sthompsa 2018172567Sthompsa wepkey.idx = i; 2019172567Sthompsa wepkey.len = wk->wk_keylen; 2020172567Sthompsa memset(wepkey.key, 0, sizeof wepkey.key); 2021172567Sthompsa memcpy(wepkey.key, wk->wk_key, wk->wk_keylen); 2022172567Sthompsa DPRINTF(("Setting wep key index %u len %u\n", wepkey.idx, 2023172567Sthompsa wepkey.len)); 2024172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY, &wepkey, 2025172567Sthompsa sizeof wepkey); 2026172567Sthompsa if (error != 0) 2027172567Sthompsa return error; 2028172567Sthompsa } 2029172567Sthompsa return 0; 2030172567Sthompsa} 2031172567Sthompsa 2032172567Sthompsastatic int 2033172567Sthompsaipw_setwpaie(struct ipw_softc *sc, const void *ie, int ielen) 2034172567Sthompsa{ 2035172567Sthompsa struct ipw_wpa_ie wpaie; 2036172567Sthompsa 2037172567Sthompsa memset(&wpaie, 0, sizeof(wpaie)); 2038172567Sthompsa wpaie.len = htole32(ielen); 2039172567Sthompsa /* XXX verify length */ 2040172567Sthompsa memcpy(&wpaie.ie, ie, ielen); 2041172567Sthompsa DPRINTF(("Setting WPA IE\n")); 2042172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_WPA_IE, &wpaie, sizeof(wpaie)); 2043172567Sthompsa} 2044172567Sthompsa 2045172567Sthompsastatic int 2046172567Sthompsaipw_setbssid(struct ipw_softc *sc, uint8_t *bssid) 2047172567Sthompsa{ 2048172567Sthompsa static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 2049172567Sthompsa 2050172567Sthompsa if (bssid == NULL || bcmp(bssid, zerobssid, IEEE80211_ADDR_LEN) == 0) { 2051172567Sthompsa DPRINTF(("Setting mandatory BSSID to null\n")); 2052172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID, NULL, 0); 2053172567Sthompsa } else { 2054172567Sthompsa DPRINTF(("Setting mandatory BSSID to %6D\n", bssid, ":")); 2055172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID, 2056172567Sthompsa bssid, IEEE80211_ADDR_LEN); 2057172567Sthompsa } 2058172567Sthompsa} 2059172567Sthompsa 2060172567Sthompsastatic int 2061172567Sthompsaipw_setssid(struct ipw_softc *sc, void *ssid, size_t ssidlen) 2062172567Sthompsa{ 2063172567Sthompsa if (ssidlen == 0) { 2064172567Sthompsa /* 2065172567Sthompsa * A bug in the firmware breaks the ``don't associate'' 2066172567Sthompsa * bit in the scan options command. To compensate for 2067172567Sthompsa * this install a bogus ssid when no ssid is specified 2068172567Sthompsa * so the firmware won't try to associate. 2069172567Sthompsa */ 2070172567Sthompsa DPRINTF(("Setting bogus ESSID to WAR firmware bug\n")); 2071172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_ESSID, 2072172567Sthompsa "\x18\x19\x20\x21\x22\x23\x24\x25\x26\x27" 2073172567Sthompsa "\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f\x30\x31" 2074172567Sthompsa "\x32\x33\x34\x35\x36\x37\x38\x39\x3a\x3b" 2075172567Sthompsa "\x3c\x3d", IEEE80211_NWID_LEN); 2076172567Sthompsa } else { 2077172567Sthompsa#ifdef IPW_DEBUG 2078172567Sthompsa if (ipw_debug > 0) { 2079172567Sthompsa printf("Setting ESSID to "); 2080172567Sthompsa ieee80211_print_essid(ssid, ssidlen); 2081172567Sthompsa printf("\n"); 2082172567Sthompsa } 2083172567Sthompsa#endif 2084172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_ESSID, ssid, ssidlen); 2085172567Sthompsa } 2086172567Sthompsa} 2087172567Sthompsa 2088172567Sthompsastatic int 2089172567Sthompsaipw_setscanopts(struct ipw_softc *sc, uint32_t chanmask, uint32_t flags) 2090172567Sthompsa{ 2091172567Sthompsa struct ipw_scan_options opts; 2092172567Sthompsa 2093172567Sthompsa DPRINTF(("Scan options: mask 0x%x flags 0x%x\n", chanmask, flags)); 2094172567Sthompsa opts.channels = htole32(chanmask); 2095172567Sthompsa opts.flags = htole32(flags); 2096172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_SCAN_OPTIONS, &opts, sizeof(opts)); 2097172567Sthompsa} 2098172567Sthompsa 2099172567Sthompsastatic int 2100172567Sthompsaipw_scan(struct ipw_softc *sc) 2101172567Sthompsa{ 2102172567Sthompsa uint32_t params; 2103172567Sthompsa int error; 2104172567Sthompsa 2105172567Sthompsa DPRINTF(("%s: flags 0x%x\n", __func__, sc->flags)); 2106172567Sthompsa 2107172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) 2108172567Sthompsa return (EBUSY); 2109172567Sthompsa sc->flags |= IPW_FLAG_SCANNING | IPW_FLAG_HACK; 2110172567Sthompsa 2111172567Sthompsa /* NB: IPW_SCAN_DO_NOT_ASSOCIATE does not work (we set it anyway) */ 2112172567Sthompsa error = ipw_setscanopts(sc, 0x3fff, IPW_SCAN_DO_NOT_ASSOCIATE); 2113172567Sthompsa if (error != 0) 2114172567Sthompsa goto done; 2115172567Sthompsa 2116172567Sthompsa /* 2117172567Sthompsa * Setup null/bogus ssid so firmware doesn't use any previous 2118172567Sthompsa * ssid to try and associate. This is because the ``don't 2119172567Sthompsa * associate'' option bit is broken (sigh). 2120172567Sthompsa */ 2121172567Sthompsa error = ipw_setssid(sc, NULL, 0); 2122172567Sthompsa if (error != 0) 2123172567Sthompsa goto done; 2124172567Sthompsa 2125172567Sthompsa /* 2126172567Sthompsa * NB: the adapter may be disabled on association lost; 2127172567Sthompsa * if so just re-enable it to kick off scanning. 2128172567Sthompsa */ 2129172567Sthompsa DPRINTF(("Starting scan\n")); 2130172567Sthompsa sc->sc_scan_timer = 3; 2131172567Sthompsa if (sc->flags & IPW_FLAG_ENABLED) { 2132172567Sthompsa params = 0; /* XXX? */ 2133172567Sthompsa error = ipw_cmd(sc, IPW_CMD_BROADCAST_SCAN, 2134172567Sthompsa ¶ms, sizeof(params)); 2135172567Sthompsa } else 2136172567Sthompsa error = ipw_enable(sc); 2137172567Sthompsadone: 2138172567Sthompsa if (error != 0) { 2139172567Sthompsa DPRINTF(("Scan failed\n")); 2140172567Sthompsa sc->flags &= ~(IPW_FLAG_SCANNING | IPW_FLAG_HACK); 2141172567Sthompsa } 2142172567Sthompsa return (error); 2143172567Sthompsa} 2144172567Sthompsa 2145172567Sthompsastatic int 2146172567Sthompsaipw_setchannel(struct ipw_softc *sc, struct ieee80211_channel *chan) 2147172567Sthompsa{ 2148287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 2149172567Sthompsa uint32_t data; 2150172567Sthompsa int error; 2151172567Sthompsa 2152172567Sthompsa data = htole32(ieee80211_chan2ieee(ic, chan)); 2153172567Sthompsa DPRINTF(("Setting channel to %u\n", le32toh(data))); 2154172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_CHANNEL, &data, sizeof data); 2155172567Sthompsa if (error == 0) 2156172567Sthompsa ipw_setcurchan(sc, chan); 2157172567Sthompsa return error; 2158172567Sthompsa} 2159172567Sthompsa 2160178354Ssamstatic void 2161191746Sthompsaipw_assoc(struct ieee80211com *ic, struct ieee80211vap *vap) 2162145247Sdamien{ 2163286865Sadrian struct ipw_softc *sc = ic->ic_softc; 2164178354Ssam struct ieee80211_node *ni = vap->iv_bss; 2165145247Sdamien struct ipw_security security; 2166145247Sdamien uint32_t data; 2167172567Sthompsa int error; 2168145247Sdamien 2169178354Ssam IPW_LOCK(sc); 2170172567Sthompsa error = ipw_disable(sc); 2171172567Sthompsa if (error != 0) 2172178354Ssam goto done; 2173172567Sthompsa 2174152637Sdamien memset(&security, 0, sizeof security); 2175178354Ssam security.authmode = (ni->ni_authmode == IEEE80211_AUTH_SHARED) ? 2176145247Sdamien IPW_AUTH_SHARED : IPW_AUTH_OPEN; 2177145247Sdamien security.ciphers = htole32(IPW_CIPHER_NONE); 2178145247Sdamien DPRINTF(("Setting authmode to %u\n", security.authmode)); 2179172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_SECURITY_INFO, &security, 2180145247Sdamien sizeof security); 2181145247Sdamien if (error != 0) 2182178354Ssam goto done; 2183145247Sdamien 2184178354Ssam data = htole32(vap->iv_rtsthreshold); 2185178354Ssam DPRINTF(("Setting RTS threshold to %u\n", le32toh(data))); 2186178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_RTS_THRESHOLD, &data, sizeof data); 2187145247Sdamien if (error != 0) 2188178354Ssam goto done; 2189145247Sdamien 2190178354Ssam data = htole32(vap->iv_fragthreshold); 2191178354Ssam DPRINTF(("Setting frag threshold to %u\n", le32toh(data))); 2192178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_FRAG_THRESHOLD, &data, sizeof data); 2193145247Sdamien if (error != 0) 2194178354Ssam goto done; 2195145247Sdamien 2196178354Ssam if (vap->iv_flags & IEEE80211_F_PRIVACY) { 2197172567Sthompsa error = ipw_setwepkeys(sc); 2198172567Sthompsa if (error != 0) 2199178354Ssam goto done; 2200172567Sthompsa 2201178354Ssam if (vap->iv_def_txkey != IEEE80211_KEYIX_NONE) { 2202178354Ssam data = htole32(vap->iv_def_txkey); 2203172567Sthompsa DPRINTF(("Setting wep tx key index to %u\n", 2204172567Sthompsa le32toh(data))); 2205172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY_INDEX, &data, 2206172567Sthompsa sizeof data); 2207172567Sthompsa if (error != 0) 2208178354Ssam goto done; 2209172567Sthompsa } 2210172567Sthompsa } 2211172567Sthompsa 2212178354Ssam data = htole32((vap->iv_flags & IEEE80211_F_PRIVACY) ? IPW_WEPON : 0); 2213172567Sthompsa DPRINTF(("Setting wep flags to 0x%x\n", le32toh(data))); 2214172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_FLAGS, &data, sizeof data); 2215172567Sthompsa if (error != 0) 2216178354Ssam goto done; 2217172567Sthompsa 2218172567Sthompsa error = ipw_setssid(sc, ni->ni_essid, ni->ni_esslen); 2219172567Sthompsa if (error != 0) 2220178354Ssam goto done; 2221172567Sthompsa 2222172567Sthompsa error = ipw_setbssid(sc, ni->ni_bssid); 2223172567Sthompsa if (error != 0) 2224178354Ssam goto done; 2225172567Sthompsa 2226206766Sbschmidt if (vap->iv_appie_wpa != NULL) { 2227206766Sbschmidt struct ieee80211_appie *ie = vap->iv_appie_wpa; 2228178354Ssam error = ipw_setwpaie(sc, ie->ie_data, ie->ie_len); 2229172567Sthompsa if (error != 0) 2230178354Ssam goto done; 2231172567Sthompsa } 2232172567Sthompsa if (ic->ic_opmode == IEEE80211_M_IBSS) { 2233172567Sthompsa error = ipw_setchannel(sc, ni->ni_chan); 2234172567Sthompsa if (error != 0) 2235178354Ssam goto done; 2236172567Sthompsa } 2237172567Sthompsa 2238172567Sthompsa /* lock scan to ap's channel and enable associate */ 2239172567Sthompsa error = ipw_setscanopts(sc, 2240178354Ssam 1<<(ieee80211_chan2ieee(ic, ni->ni_chan)-1), 0); 2241178354Ssam if (error != 0) 2242178354Ssam goto done; 2243172567Sthompsa 2244178354Ssam error = ipw_enable(sc); /* finally, enable adapter */ 2245178354Ssam if (error == 0) 2246178354Ssam sc->flags |= IPW_FLAG_ASSOCIATING; 2247178354Ssamdone: 2248178354Ssam IPW_UNLOCK(sc); 2249172567Sthompsa} 2250172567Sthompsa 2251172567Sthompsastatic void 2252191746Sthompsaipw_disassoc(struct ieee80211com *ic, struct ieee80211vap *vap) 2253172567Sthompsa{ 2254178354Ssam struct ieee80211_node *ni = vap->iv_bss; 2255286865Sadrian struct ipw_softc *sc = ic->ic_softc; 2256172567Sthompsa 2257172567Sthompsa IPW_LOCK(sc); 2258172567Sthompsa DPRINTF(("Disassociate from %6D\n", ni->ni_bssid, ":")); 2259172567Sthompsa /* 2260172567Sthompsa * NB: don't try to do this if ipw_stop_master has 2261172567Sthompsa * shutdown the firmware and disabled interrupts. 2262172567Sthompsa */ 2263178354Ssam if (sc->flags & IPW_FLAG_FW_INITED) { 2264178354Ssam sc->flags &= ~IPW_FLAG_ASSOCIATED; 2265178354Ssam /* 2266178354Ssam * NB: firmware currently ignores bssid parameter, but 2267178354Ssam * supply it in case this changes (follow linux driver). 2268178354Ssam */ 2269178354Ssam (void) ipw_cmd(sc, IPW_CMD_DISASSOCIATE, 2270178354Ssam ni->ni_bssid, IEEE80211_ADDR_LEN); 2271178354Ssam } 2272178354Ssam IPW_UNLOCK(sc); 2273172567Sthompsa} 2274172567Sthompsa 2275172567Sthompsa/* 2276156599Sdamien * Handler for sc_init_task. This is a simple wrapper around ipw_init(). 2277156599Sdamien * It is called on firmware panics or on watchdog timeouts. 2278156599Sdamien */ 2279145247Sdamienstatic void 2280156599Sdamienipw_init_task(void *context, int pending) 2281156599Sdamien{ 2282156599Sdamien ipw_init(context); 2283156599Sdamien} 2284156599Sdamien 2285156599Sdamienstatic void 2286145247Sdamienipw_init(void *priv) 2287145247Sdamien{ 2288145247Sdamien struct ipw_softc *sc = priv; 2289287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 2290172567Sthompsa 2291172567Sthompsa IPW_LOCK(sc); 2292178354Ssam ipw_init_locked(sc); 2293172567Sthompsa IPW_UNLOCK(sc); 2294178354Ssam 2295287197Sglebius if (sc->flags & IPW_FLAG_RUNNING) 2296178931Sthompsa ieee80211_start_all(ic); /* start all vap's */ 2297172567Sthompsa} 2298172567Sthompsa 2299172567Sthompsastatic void 2300178354Ssamipw_init_locked(struct ipw_softc *sc) 2301172567Sthompsa{ 2302287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 2303178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2304166756Sluigi const struct firmware *fp; 2305156599Sdamien const struct ipw_firmware_hdr *hdr; 2306178354Ssam const char *fw; 2307145247Sdamien 2308172567Sthompsa IPW_LOCK_ASSERT(sc); 2309156599Sdamien 2310172567Sthompsa DPRINTF(("%s: state %s flags 0x%x\n", __func__, 2311178354Ssam ieee80211_state_name[vap->iv_state], sc->flags)); 2312172567Sthompsa 2313156599Sdamien /* 2314156599Sdamien * Avoid re-entrant calls. We need to release the mutex in ipw_init() 2315156599Sdamien * when loading the firmware and we don't want to be called during this 2316156599Sdamien * operation. 2317156599Sdamien */ 2318172567Sthompsa if (sc->flags & IPW_FLAG_INIT_LOCKED) 2319145247Sdamien return; 2320156599Sdamien sc->flags |= IPW_FLAG_INIT_LOCKED; 2321145247Sdamien 2322172567Sthompsa ipw_stop_locked(sc); 2323145247Sdamien 2324145247Sdamien if (ipw_reset(sc) != 0) { 2325145247Sdamien device_printf(sc->sc_dev, "could not reset adapter\n"); 2326178354Ssam goto fail; 2327145247Sdamien } 2328145247Sdamien 2329159487Siedowse if (sc->sc_firmware == NULL) { 2330178354Ssam device_printf(sc->sc_dev, "no firmware\n"); 2331178354Ssam goto fail; 2332156599Sdamien } 2333178354Ssam /* NB: consistency already checked on load */ 2334159487Siedowse fp = sc->sc_firmware; 2335156599Sdamien hdr = (const struct ipw_firmware_hdr *)fp->data; 2336156599Sdamien 2337178354Ssam DPRINTF(("Loading firmware image '%s'\n", fp->name)); 2338156599Sdamien fw = (const char *)fp->data + sizeof *hdr + le32toh(hdr->mainsz); 2339156599Sdamien if (ipw_load_ucode(sc, fw, le32toh(hdr->ucodesz)) != 0) { 2340145247Sdamien device_printf(sc->sc_dev, "could not load microcode\n"); 2341178354Ssam goto fail; 2342145247Sdamien } 2343145247Sdamien 2344145247Sdamien ipw_stop_master(sc); 2345145247Sdamien 2346145247Sdamien /* 2347145247Sdamien * Setup tx, rx and status rings. 2348145247Sdamien */ 2349145247Sdamien sc->txold = IPW_NTBD - 1; 2350145247Sdamien sc->txcur = 0; 2351145247Sdamien sc->txfree = IPW_NTBD - 2; 2352145247Sdamien sc->rxcur = IPW_NRBD - 1; 2353145247Sdamien 2354145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_BASE, sc->tbd_phys); 2355145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_SIZE, IPW_NTBD); 2356145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_READ, 0); 2357145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 2358145247Sdamien 2359145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_BASE, sc->rbd_phys); 2360145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_SIZE, IPW_NRBD); 2361145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_READ, 0); 2362145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_WRITE, sc->rxcur); 2363145247Sdamien 2364145247Sdamien CSR_WRITE_4(sc, IPW_CSR_STATUS_BASE, sc->status_phys); 2365145247Sdamien 2366156599Sdamien fw = (const char *)fp->data + sizeof *hdr; 2367156599Sdamien if (ipw_load_firmware(sc, fw, le32toh(hdr->mainsz)) != 0) { 2368145247Sdamien device_printf(sc->sc_dev, "could not load firmware\n"); 2369178354Ssam goto fail; 2370145247Sdamien } 2371145247Sdamien 2372145247Sdamien sc->flags |= IPW_FLAG_FW_INITED; 2373145247Sdamien 2374145247Sdamien /* retrieve information tables base addresses */ 2375145247Sdamien sc->table1_base = CSR_READ_4(sc, IPW_CSR_TABLE1_BASE); 2376145247Sdamien sc->table2_base = CSR_READ_4(sc, IPW_CSR_TABLE2_BASE); 2377145247Sdamien 2378145247Sdamien ipw_write_table1(sc, IPW_INFO_LOCK, 0); 2379145247Sdamien 2380145247Sdamien if (ipw_config(sc) != 0) { 2381145247Sdamien device_printf(sc->sc_dev, "device configuration failed\n"); 2382178354Ssam goto fail; 2383145247Sdamien } 2384145247Sdamien 2385172567Sthompsa callout_reset(&sc->sc_wdtimer, hz, ipw_watchdog, sc); 2386287197Sglebius sc->flags |= IPW_FLAG_RUNNING; 2387287197Sglebius sc->flags &= ~IPW_FLAG_INIT_LOCKED; 2388145247Sdamien return; 2389145247Sdamien 2390178354Ssamfail: 2391172567Sthompsa ipw_stop_locked(sc); 2392287197Sglebius sc->flags &= ~IPW_FLAG_INIT_LOCKED; 2393145247Sdamien} 2394145247Sdamien 2395178354Ssamstatic int 2396178354Ssamipw_config(struct ipw_softc *sc) 2397178354Ssam{ 2398287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 2399178354Ssam struct ipw_configuration config; 2400178354Ssam uint32_t data; 2401178354Ssam int error; 2402178354Ssam 2403178354Ssam error = ipw_disable(sc); 2404178354Ssam if (error != 0) 2405178354Ssam return error; 2406178354Ssam 2407178354Ssam switch (ic->ic_opmode) { 2408178354Ssam case IEEE80211_M_STA: 2409178354Ssam case IEEE80211_M_HOSTAP: 2410178354Ssam case IEEE80211_M_WDS: /* XXX */ 2411178354Ssam data = htole32(IPW_MODE_BSS); 2412178354Ssam break; 2413178354Ssam case IEEE80211_M_IBSS: 2414178354Ssam case IEEE80211_M_AHDEMO: 2415178354Ssam data = htole32(IPW_MODE_IBSS); 2416178354Ssam break; 2417178354Ssam case IEEE80211_M_MONITOR: 2418178354Ssam data = htole32(IPW_MODE_MONITOR); 2419178354Ssam break; 2420195562Srpaulo default: 2421195562Srpaulo device_printf(sc->sc_dev, "unknown opmode %d\n", ic->ic_opmode); 2422195562Srpaulo return EINVAL; 2423178354Ssam } 2424178354Ssam DPRINTF(("Setting mode to %u\n", le32toh(data))); 2425178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_MODE, &data, sizeof data); 2426178354Ssam if (error != 0) 2427178354Ssam return error; 2428178354Ssam 2429178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS || 2430178354Ssam ic->ic_opmode == IEEE80211_M_MONITOR) { 2431178354Ssam error = ipw_setchannel(sc, ic->ic_curchan); 2432178354Ssam if (error != 0) 2433178354Ssam return error; 2434178354Ssam } 2435178354Ssam 2436178354Ssam if (ic->ic_opmode == IEEE80211_M_MONITOR) 2437178354Ssam return ipw_enable(sc); 2438178354Ssam 2439178354Ssam config.flags = htole32(IPW_CFG_BSS_MASK | IPW_CFG_IBSS_MASK | 2440178354Ssam IPW_CFG_PREAMBLE_AUTO | IPW_CFG_802_1x_ENABLE); 2441178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS) 2442178354Ssam config.flags |= htole32(IPW_CFG_IBSS_AUTO_START); 2443287197Sglebius if (ic->ic_promisc > 0) 2444178354Ssam config.flags |= htole32(IPW_CFG_PROMISCUOUS); 2445178354Ssam config.bss_chan = htole32(0x3fff); /* channels 1-14 */ 2446178354Ssam config.ibss_chan = htole32(0x7ff); /* channels 1-11 */ 2447178354Ssam DPRINTF(("Setting configuration to 0x%x\n", le32toh(config.flags))); 2448178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_CONFIGURATION, &config, sizeof config); 2449178354Ssam if (error != 0) 2450178354Ssam return error; 2451178354Ssam 2452207926Sbschmidt data = htole32(0xf); /* 1, 2, 5.5, 11 */ 2453178354Ssam DPRINTF(("Setting basic tx rates to 0x%x\n", le32toh(data))); 2454178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_BASIC_TX_RATES, &data, sizeof data); 2455178354Ssam if (error != 0) 2456178354Ssam return error; 2457178354Ssam 2458207926Sbschmidt /* Use the same rate set */ 2459178354Ssam DPRINTF(("Setting msdu tx rates to 0x%x\n", le32toh(data))); 2460178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_MSDU_TX_RATES, &data, sizeof data); 2461178354Ssam if (error != 0) 2462178354Ssam return error; 2463178354Ssam 2464207926Sbschmidt /* Use the same rate set */ 2465178354Ssam DPRINTF(("Setting tx rates to 0x%x\n", le32toh(data))); 2466178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_TX_RATES, &data, sizeof data); 2467178354Ssam if (error != 0) 2468178354Ssam return error; 2469178354Ssam 2470178354Ssam data = htole32(IPW_POWER_MODE_CAM); 2471178354Ssam DPRINTF(("Setting power mode to %u\n", le32toh(data))); 2472178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_POWER_MODE, &data, sizeof data); 2473178354Ssam if (error != 0) 2474178354Ssam return error; 2475178354Ssam 2476178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS) { 2477178354Ssam data = htole32(32); /* default value */ 2478178354Ssam DPRINTF(("Setting tx power index to %u\n", le32toh(data))); 2479178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_TX_POWER_INDEX, &data, 2480178354Ssam sizeof data); 2481178354Ssam if (error != 0) 2482178354Ssam return error; 2483178354Ssam } 2484178354Ssam 2485178354Ssam return 0; 2486178354Ssam} 2487178354Ssam 2488145247Sdamienstatic void 2489145247Sdamienipw_stop(void *priv) 2490145247Sdamien{ 2491145247Sdamien struct ipw_softc *sc = priv; 2492172567Sthompsa 2493172567Sthompsa IPW_LOCK(sc); 2494172567Sthompsa ipw_stop_locked(sc); 2495172567Sthompsa IPW_UNLOCK(sc); 2496172567Sthompsa} 2497172567Sthompsa 2498172567Sthompsastatic void 2499172567Sthompsaipw_stop_locked(struct ipw_softc *sc) 2500172567Sthompsa{ 2501145247Sdamien int i; 2502145247Sdamien 2503172567Sthompsa IPW_LOCK_ASSERT(sc); 2504156599Sdamien 2505172567Sthompsa callout_stop(&sc->sc_wdtimer); 2506145247Sdamien ipw_stop_master(sc); 2507145247Sdamien 2508145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_SW_RESET); 2509145247Sdamien 2510145247Sdamien /* 2511145247Sdamien * Release tx buffers. 2512145247Sdamien */ 2513145247Sdamien for (i = 0; i < IPW_NTBD; i++) 2514145247Sdamien ipw_release_sbd(sc, &sc->stbd_list[i]); 2515145247Sdamien 2516145247Sdamien sc->sc_tx_timer = 0; 2517287197Sglebius sc->flags &= ~IPW_FLAG_RUNNING; 2518145247Sdamien} 2519145247Sdamien 2520145247Sdamienstatic int 2521145247Sdamienipw_sysctl_stats(SYSCTL_HANDLER_ARGS) 2522145247Sdamien{ 2523145247Sdamien struct ipw_softc *sc = arg1; 2524145247Sdamien uint32_t i, size, buf[256]; 2525145247Sdamien 2526174317Sphilip memset(buf, 0, sizeof buf); 2527174317Sphilip 2528174317Sphilip if (!(sc->flags & IPW_FLAG_FW_INITED)) 2529145247Sdamien return SYSCTL_OUT(req, buf, sizeof buf); 2530145247Sdamien 2531145247Sdamien CSR_WRITE_4(sc, IPW_CSR_AUTOINC_ADDR, sc->table1_base); 2532145247Sdamien 2533145247Sdamien size = min(CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA), 256); 2534145247Sdamien for (i = 1; i < size; i++) 2535145247Sdamien buf[i] = MEM_READ_4(sc, CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA)); 2536145247Sdamien 2537174317Sphilip return SYSCTL_OUT(req, buf, size); 2538145247Sdamien} 2539145247Sdamien 2540145247Sdamienstatic int 2541145247Sdamienipw_sysctl_radio(SYSCTL_HANDLER_ARGS) 2542145247Sdamien{ 2543145247Sdamien struct ipw_softc *sc = arg1; 2544145247Sdamien int val; 2545145247Sdamien 2546145247Sdamien val = !((sc->flags & IPW_FLAG_HAS_RADIO_SWITCH) && 2547145247Sdamien (CSR_READ_4(sc, IPW_CSR_IO) & IPW_IO_RADIO_DISABLED)); 2548145247Sdamien 2549145247Sdamien return SYSCTL_OUT(req, &val, sizeof val); 2550145247Sdamien} 2551145247Sdamien 2552145247Sdamienstatic uint32_t 2553145247Sdamienipw_read_table1(struct ipw_softc *sc, uint32_t off) 2554145247Sdamien{ 2555145247Sdamien return MEM_READ_4(sc, MEM_READ_4(sc, sc->table1_base + off)); 2556145247Sdamien} 2557145247Sdamien 2558145247Sdamienstatic void 2559145247Sdamienipw_write_table1(struct ipw_softc *sc, uint32_t off, uint32_t info) 2560145247Sdamien{ 2561145247Sdamien MEM_WRITE_4(sc, MEM_READ_4(sc, sc->table1_base + off), info); 2562145247Sdamien} 2563145247Sdamien 2564172567Sthompsa#if 0 2565145247Sdamienstatic int 2566145247Sdamienipw_read_table2(struct ipw_softc *sc, uint32_t off, void *buf, uint32_t *len) 2567145247Sdamien{ 2568145247Sdamien uint32_t addr, info; 2569145247Sdamien uint16_t count, size; 2570145247Sdamien uint32_t total; 2571145247Sdamien 2572145247Sdamien /* addr[4] + count[2] + size[2] */ 2573145247Sdamien addr = MEM_READ_4(sc, sc->table2_base + off); 2574145247Sdamien info = MEM_READ_4(sc, sc->table2_base + off + 4); 2575145247Sdamien 2576145247Sdamien count = info >> 16; 2577145247Sdamien size = info & 0xffff; 2578145247Sdamien total = count * size; 2579145247Sdamien 2580145247Sdamien if (total > *len) { 2581145247Sdamien *len = total; 2582145247Sdamien return EINVAL; 2583145247Sdamien } 2584145247Sdamien 2585145247Sdamien *len = total; 2586145247Sdamien ipw_read_mem_1(sc, addr, buf, total); 2587145247Sdamien 2588145247Sdamien return 0; 2589145247Sdamien} 2590145247Sdamien 2591145247Sdamienstatic void 2592145247Sdamienipw_read_mem_1(struct ipw_softc *sc, bus_size_t offset, uint8_t *datap, 2593145247Sdamien bus_size_t count) 2594145247Sdamien{ 2595145247Sdamien for (; count > 0; offset++, datap++, count--) { 2596145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INDIRECT_ADDR, offset & ~3); 2597145247Sdamien *datap = CSR_READ_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3)); 2598145247Sdamien } 2599145247Sdamien} 2600172567Sthompsa#endif 2601145247Sdamien 2602145247Sdamienstatic void 2603156599Sdamienipw_write_mem_1(struct ipw_softc *sc, bus_size_t offset, const uint8_t *datap, 2604145247Sdamien bus_size_t count) 2605145247Sdamien{ 2606145247Sdamien for (; count > 0; offset++, datap++, count--) { 2607145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INDIRECT_ADDR, offset & ~3); 2608145247Sdamien CSR_WRITE_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3), *datap); 2609145247Sdamien } 2610145247Sdamien} 2611172567Sthompsa 2612172567Sthompsastatic void 2613172567Sthompsaipw_scan_start(struct ieee80211com *ic) 2614172567Sthompsa{ 2615286865Sadrian struct ipw_softc *sc = ic->ic_softc; 2616172567Sthompsa 2617172567Sthompsa IPW_LOCK(sc); 2618191746Sthompsa ipw_scan(sc); 2619172567Sthompsa IPW_UNLOCK(sc); 2620172567Sthompsa} 2621172567Sthompsa 2622172567Sthompsastatic void 2623300239Savosipw_getradiocaps(struct ieee80211com *ic, 2624300239Savos int maxchans, int *nchans, struct ieee80211_channel chans[]) 2625300239Savos{ 2626300239Savos struct ipw_softc *sc = ic->ic_softc; 2627300239Savos uint8_t bands[IEEE80211_MODE_BYTES]; 2628300239Savos int i; 2629300239Savos 2630300239Savos memset(bands, 0, sizeof(bands)); 2631300239Savos setbit(bands, IEEE80211_MODE_11B); 2632300239Savos 2633300239Savos for (i = 1; i < 16; i++) { 2634300239Savos if (sc->chanmask & (1 << i)) { 2635300239Savos ieee80211_add_channel(chans, maxchans, nchans, 2636300239Savos i, 0, 0, 0, bands); 2637300239Savos } 2638300239Savos } 2639300239Savos 2640300239Savos} 2641300239Savos 2642300239Savosstatic void 2643172567Sthompsaipw_set_channel(struct ieee80211com *ic) 2644172567Sthompsa{ 2645286865Sadrian struct ipw_softc *sc = ic->ic_softc; 2646172567Sthompsa 2647172567Sthompsa IPW_LOCK(sc); 2648172567Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 2649172567Sthompsa ipw_disable(sc); 2650172567Sthompsa ipw_setchannel(sc, ic->ic_curchan); 2651172567Sthompsa ipw_enable(sc); 2652172567Sthompsa } 2653172567Sthompsa IPW_UNLOCK(sc); 2654172567Sthompsa} 2655172567Sthompsa 2656172567Sthompsastatic void 2657178354Ssamipw_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 2658172567Sthompsa{ 2659172567Sthompsa /* NB: all channels are scanned at once */ 2660172567Sthompsa} 2661172567Sthompsa 2662172567Sthompsastatic void 2663178354Ssamipw_scan_mindwell(struct ieee80211_scan_state *ss) 2664172567Sthompsa{ 2665172567Sthompsa /* NB: don't try to abort scan; wait for firmware to finish */ 2666172567Sthompsa} 2667172567Sthompsa 2668172567Sthompsastatic void 2669172567Sthompsaipw_scan_end(struct ieee80211com *ic) 2670172567Sthompsa{ 2671286865Sadrian struct ipw_softc *sc = ic->ic_softc; 2672172567Sthompsa 2673172567Sthompsa IPW_LOCK(sc); 2674172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 2675172567Sthompsa IPW_UNLOCK(sc); 2676172567Sthompsa} 2677