if_ipw.c revision 288087
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: head/sys/dev/ipw/if_ipw.c 288087 2015-09-22 02:44:59Z adrian $"); 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); 119172567Sthompsastatic void ipw_rx_cmd_intr(struct ipw_softc *, struct ipw_soft_buf *); 120172567Sthompsastatic void ipw_rx_newstate_intr(struct ipw_softc *, struct ipw_soft_buf *); 121172567Sthompsastatic void ipw_rx_data_intr(struct ipw_softc *, struct ipw_status *, 122145247Sdamien struct ipw_soft_bd *, struct ipw_soft_buf *); 123145247Sdamienstatic void ipw_rx_intr(struct ipw_softc *); 124145247Sdamienstatic void ipw_release_sbd(struct ipw_softc *, struct ipw_soft_bd *); 125145247Sdamienstatic void ipw_tx_intr(struct ipw_softc *); 126145247Sdamienstatic void ipw_intr(void *); 127145247Sdamienstatic void ipw_dma_map_addr(void *, bus_dma_segment_t *, int, int); 128172567Sthompsastatic const char * ipw_cmdname(int); 129145247Sdamienstatic int ipw_cmd(struct ipw_softc *, uint32_t, void *, uint32_t); 130287197Sglebiusstatic int ipw_tx_start(struct ipw_softc *, struct mbuf *, 131145247Sdamien struct ieee80211_node *); 132178354Ssamstatic int ipw_raw_xmit(struct ieee80211_node *, struct mbuf *, 133178354Ssam const struct ieee80211_bpf_params *); 134287197Sglebiusstatic int ipw_transmit(struct ieee80211com *, struct mbuf *); 135287197Sglebiusstatic void ipw_start(struct ipw_softc *); 136172567Sthompsastatic void ipw_watchdog(void *); 137287197Sglebiusstatic void ipw_parent(struct ieee80211com *); 138145247Sdamienstatic void ipw_stop_master(struct ipw_softc *); 139172567Sthompsastatic int ipw_enable(struct ipw_softc *); 140172567Sthompsastatic int ipw_disable(struct ipw_softc *); 141145247Sdamienstatic int ipw_reset(struct ipw_softc *); 142156599Sdamienstatic int ipw_load_ucode(struct ipw_softc *, const char *, int); 143156599Sdamienstatic int ipw_load_firmware(struct ipw_softc *, const char *, int); 144145247Sdamienstatic int ipw_config(struct ipw_softc *); 145191746Sthompsastatic void ipw_assoc(struct ieee80211com *, struct ieee80211vap *); 146191746Sthompsastatic void ipw_disassoc(struct ieee80211com *, struct ieee80211vap *); 147156599Sdamienstatic void ipw_init_task(void *, int); 148145247Sdamienstatic void ipw_init(void *); 149178354Ssamstatic void ipw_init_locked(struct ipw_softc *); 150145247Sdamienstatic void ipw_stop(void *); 151172567Sthompsastatic void ipw_stop_locked(struct ipw_softc *); 152145247Sdamienstatic int ipw_sysctl_stats(SYSCTL_HANDLER_ARGS); 153145247Sdamienstatic int ipw_sysctl_radio(SYSCTL_HANDLER_ARGS); 154145247Sdamienstatic uint32_t ipw_read_table1(struct ipw_softc *, uint32_t); 155145247Sdamienstatic void ipw_write_table1(struct ipw_softc *, uint32_t, uint32_t); 156172567Sthompsa#if 0 157145247Sdamienstatic int ipw_read_table2(struct ipw_softc *, uint32_t, void *, 158145247Sdamien uint32_t *); 159145247Sdamienstatic void ipw_read_mem_1(struct ipw_softc *, bus_size_t, uint8_t *, 160145247Sdamien bus_size_t); 161172567Sthompsa#endif 162156599Sdamienstatic void ipw_write_mem_1(struct ipw_softc *, bus_size_t, 163156599Sdamien const uint8_t *, bus_size_t); 164172567Sthompsastatic int ipw_scan(struct ipw_softc *); 165172567Sthompsastatic void ipw_scan_start(struct ieee80211com *); 166172567Sthompsastatic void ipw_scan_end(struct ieee80211com *); 167172567Sthompsastatic void ipw_set_channel(struct ieee80211com *); 168178354Ssamstatic void ipw_scan_curchan(struct ieee80211_scan_state *, 169178354Ssam unsigned long maxdwell); 170178354Ssamstatic void ipw_scan_mindwell(struct ieee80211_scan_state *); 171145247Sdamien 172145247Sdamienstatic int ipw_probe(device_t); 173145247Sdamienstatic int ipw_attach(device_t); 174145247Sdamienstatic int ipw_detach(device_t); 175145247Sdamienstatic int ipw_shutdown(device_t); 176145247Sdamienstatic int ipw_suspend(device_t); 177145247Sdamienstatic int ipw_resume(device_t); 178145247Sdamien 179145247Sdamienstatic device_method_t ipw_methods[] = { 180145247Sdamien /* Device interface */ 181145247Sdamien DEVMETHOD(device_probe, ipw_probe), 182145247Sdamien DEVMETHOD(device_attach, ipw_attach), 183145247Sdamien DEVMETHOD(device_detach, ipw_detach), 184145247Sdamien DEVMETHOD(device_shutdown, ipw_shutdown), 185145247Sdamien DEVMETHOD(device_suspend, ipw_suspend), 186145247Sdamien DEVMETHOD(device_resume, ipw_resume), 187145247Sdamien 188260062Smarius DEVMETHOD_END 189145247Sdamien}; 190145247Sdamien 191145247Sdamienstatic driver_t ipw_driver = { 192145247Sdamien "ipw", 193145247Sdamien ipw_methods, 194145247Sdamien sizeof (struct ipw_softc) 195145247Sdamien}; 196145247Sdamien 197145247Sdamienstatic devclass_t ipw_devclass; 198145247Sdamien 199260062SmariusDRIVER_MODULE(ipw, pci, ipw_driver, ipw_devclass, NULL, NULL); 200145247Sdamien 201222543SbschmidtMODULE_VERSION(ipw, 1); 202222543Sbschmidt 203145247Sdamienstatic int 204145247Sdamienipw_probe(device_t dev) 205145247Sdamien{ 206145247Sdamien const struct ipw_ident *ident; 207145247Sdamien 208145247Sdamien for (ident = ipw_ident_table; ident->name != NULL; ident++) { 209145247Sdamien if (pci_get_vendor(dev) == ident->vendor && 210145247Sdamien pci_get_device(dev) == ident->device) { 211145247Sdamien device_set_desc(dev, ident->name); 212260062Smarius return (BUS_PROBE_DEFAULT); 213145247Sdamien } 214145247Sdamien } 215145247Sdamien return ENXIO; 216145247Sdamien} 217145247Sdamien 218145247Sdamien/* Base Address Register */ 219145247Sdamienstatic int 220145247Sdamienipw_attach(device_t dev) 221145247Sdamien{ 222145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 223287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 224170530Ssam struct ieee80211_channel *c; 225145247Sdamien uint16_t val; 226145247Sdamien int error, i; 227145247Sdamien 228145247Sdamien sc->sc_dev = dev; 229145247Sdamien 230145247Sdamien mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 231145247Sdamien MTX_DEF | MTX_RECURSE); 232287197Sglebius mbufq_init(&sc->sc_snd, ifqmaxlen); 233156599Sdamien TASK_INIT(&sc->sc_init_task, 0, ipw_init_task, sc); 234172567Sthompsa callout_init_mtx(&sc->sc_wdtimer, &sc->sc_mtx, 0); 235156599Sdamien 236146498Sdamien pci_write_config(dev, 0x41, 0, 1); 237146498Sdamien 238145247Sdamien /* enable bus-mastering */ 239145247Sdamien pci_enable_busmaster(dev); 240145247Sdamien 241260062Smarius i = PCIR_BAR(0); 242260062Smarius sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &i, RF_ACTIVE); 243145247Sdamien if (sc->mem == NULL) { 244145247Sdamien device_printf(dev, "could not allocate memory resource\n"); 245145247Sdamien goto fail; 246145247Sdamien } 247145247Sdamien 248145247Sdamien sc->sc_st = rman_get_bustag(sc->mem); 249145247Sdamien sc->sc_sh = rman_get_bushandle(sc->mem); 250145247Sdamien 251260062Smarius i = 0; 252260062Smarius sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &i, 253145247Sdamien RF_ACTIVE | RF_SHAREABLE); 254145247Sdamien if (sc->irq == NULL) { 255145247Sdamien device_printf(dev, "could not allocate interrupt resource\n"); 256178354Ssam goto fail1; 257145247Sdamien } 258145247Sdamien 259145247Sdamien if (ipw_reset(sc) != 0) { 260145247Sdamien device_printf(dev, "could not reset adapter\n"); 261178354Ssam goto fail2; 262145247Sdamien } 263145247Sdamien 264145247Sdamien if (ipw_dma_alloc(sc) != 0) { 265145247Sdamien device_printf(dev, "could not allocate DMA resources\n"); 266178354Ssam goto fail2; 267145247Sdamien } 268147757Sdamien 269283537Sglebius ic->ic_softc = sc; 270283527Sglebius ic->ic_name = device_get_nameunit(dev); 271178354Ssam ic->ic_opmode = IEEE80211_M_STA; 272145247Sdamien ic->ic_phytype = IEEE80211_T_DS; 273145247Sdamien 274145247Sdamien /* set device capabilities */ 275178957Ssam ic->ic_caps = 276178957Ssam IEEE80211_C_STA /* station mode supported */ 277178957Ssam | IEEE80211_C_IBSS /* IBSS mode supported */ 278172567Sthompsa | IEEE80211_C_MONITOR /* monitor mode supported */ 279172567Sthompsa | IEEE80211_C_PMGT /* power save supported */ 280172567Sthompsa | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 281172567Sthompsa | IEEE80211_C_WPA /* 802.11i supported */ 282172567Sthompsa ; 283145247Sdamien 284145247Sdamien /* read MAC address from EEPROM */ 285145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 0); 286287197Sglebius ic->ic_macaddr[0] = val >> 8; 287287197Sglebius ic->ic_macaddr[1] = val & 0xff; 288145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 1); 289287197Sglebius ic->ic_macaddr[2] = val >> 8; 290287197Sglebius ic->ic_macaddr[3] = val & 0xff; 291145247Sdamien val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 2); 292287197Sglebius ic->ic_macaddr[4] = val >> 8; 293287197Sglebius ic->ic_macaddr[5] = val & 0xff; 294145247Sdamien 295170530Ssam /* set supported .11b channels (read from EEPROM) */ 296170530Ssam if ((val = ipw_read_prom_word(sc, IPW_EEPROM_CHANNEL_LIST)) == 0) 297170530Ssam val = 0x7ff; /* default to channels 1-11 */ 298170530Ssam val <<= 1; 299170530Ssam for (i = 1; i < 16; i++) { 300170530Ssam if (val & (1 << i)) { 301170530Ssam c = &ic->ic_channels[ic->ic_nchans++]; 302170530Ssam c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 303170530Ssam c->ic_flags = IEEE80211_CHAN_B; 304170530Ssam c->ic_ieee = i; 305170530Ssam } 306145247Sdamien } 307145247Sdamien 308145247Sdamien /* check support for radio transmitter switch in EEPROM */ 309145247Sdamien if (!(ipw_read_prom_word(sc, IPW_EEPROM_RADIO) & 8)) 310145247Sdamien sc->flags |= IPW_FLAG_HAS_RADIO_SWITCH; 311145247Sdamien 312287197Sglebius ieee80211_ifattach(ic); 313172567Sthompsa ic->ic_scan_start = ipw_scan_start; 314172567Sthompsa ic->ic_scan_end = ipw_scan_end; 315172567Sthompsa ic->ic_set_channel = ipw_set_channel; 316172567Sthompsa ic->ic_scan_curchan = ipw_scan_curchan; 317172567Sthompsa ic->ic_scan_mindwell = ipw_scan_mindwell; 318178354Ssam ic->ic_raw_xmit = ipw_raw_xmit; 319178354Ssam ic->ic_vap_create = ipw_vap_create; 320178354Ssam ic->ic_vap_delete = ipw_vap_delete; 321287197Sglebius ic->ic_transmit = ipw_transmit; 322287197Sglebius ic->ic_parent = ipw_parent; 323145247Sdamien 324192468Ssam ieee80211_radiotap_attach(ic, 325192468Ssam &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 326192468Ssam IPW_TX_RADIOTAP_PRESENT, 327192468Ssam &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 328192468Ssam IPW_RX_RADIOTAP_PRESENT); 329178354Ssam 330145247Sdamien /* 331145247Sdamien * Add a few sysctl knobs. 332145247Sdamien */ 333145247Sdamien SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 334145247Sdamien SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "radio", 335145247Sdamien CTLTYPE_INT | CTLFLAG_RD, sc, 0, ipw_sysctl_radio, "I", 336145247Sdamien "radio transmitter switch state (0=off, 1=on)"); 337145247Sdamien 338145247Sdamien SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 339145247Sdamien SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "stats", 340145247Sdamien CTLTYPE_OPAQUE | CTLFLAG_RD, sc, 0, ipw_sysctl_stats, "S", 341145247Sdamien "statistics"); 342145247Sdamien 343145247Sdamien /* 344145247Sdamien * Hook our interrupt after all initialization is complete. 345145247Sdamien */ 346145247Sdamien error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 347166901Spiso NULL, ipw_intr, sc, &sc->sc_ih); 348145247Sdamien if (error != 0) { 349145247Sdamien device_printf(dev, "could not set up interrupt\n"); 350287197Sglebius goto fail3; 351145247Sdamien } 352145247Sdamien 353145247Sdamien if (bootverbose) 354145247Sdamien ieee80211_announce(ic); 355145247Sdamien 356145247Sdamien return 0; 357178354Ssamfail3: 358178354Ssam ipw_release(sc); 359178354Ssamfail2: 360260062Smarius bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), sc->irq); 361178354Ssamfail1: 362260062Smarius bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(sc->mem), 363260062Smarius sc->mem); 364178354Ssamfail: 365178354Ssam mtx_destroy(&sc->sc_mtx); 366145247Sdamien return ENXIO; 367145247Sdamien} 368145247Sdamien 369145247Sdamienstatic int 370145247Sdamienipw_detach(device_t dev) 371145247Sdamien{ 372145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 373287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 374145247Sdamien 375260062Smarius bus_teardown_intr(dev, sc->irq, sc->sc_ih); 376260062Smarius 377191912Sthompsa ieee80211_draintask(ic, &sc->sc_init_task); 378145247Sdamien ipw_stop(sc); 379178354Ssam 380178354Ssam ieee80211_ifdetach(ic); 381178354Ssam 382172567Sthompsa callout_drain(&sc->sc_wdtimer); 383287197Sglebius mbufq_drain(&sc->sc_snd); 384145247Sdamien 385145247Sdamien ipw_release(sc); 386145247Sdamien 387260062Smarius bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), sc->irq); 388145247Sdamien 389260062Smarius bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(sc->mem), 390260062Smarius sc->mem); 391156599Sdamien 392159487Siedowse if (sc->sc_firmware != NULL) { 393159487Siedowse firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 394159487Siedowse sc->sc_firmware = NULL; 395159487Siedowse } 396159487Siedowse 397145247Sdamien mtx_destroy(&sc->sc_mtx); 398145247Sdamien 399145247Sdamien return 0; 400145247Sdamien} 401145247Sdamien 402178354Ssamstatic struct ieee80211vap * 403228621Sbschmidtipw_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 404228621Sbschmidt enum ieee80211_opmode opmode, int flags, 405228621Sbschmidt const uint8_t bssid[IEEE80211_ADDR_LEN], 406228621Sbschmidt const uint8_t mac[IEEE80211_ADDR_LEN]) 407178354Ssam{ 408286865Sadrian struct ipw_softc *sc = ic->ic_softc; 409178354Ssam struct ipw_vap *ivp; 410178354Ssam struct ieee80211vap *vap; 411178354Ssam const struct firmware *fp; 412178354Ssam const struct ipw_firmware_hdr *hdr; 413178354Ssam const char *imagename; 414178354Ssam 415178354Ssam if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 416178354Ssam return NULL; 417178354Ssam 418178354Ssam switch (opmode) { 419178354Ssam case IEEE80211_M_STA: 420178354Ssam imagename = "ipw_bss"; 421178354Ssam break; 422178354Ssam case IEEE80211_M_IBSS: 423178354Ssam imagename = "ipw_ibss"; 424178354Ssam break; 425178354Ssam case IEEE80211_M_MONITOR: 426178354Ssam imagename = "ipw_monitor"; 427178354Ssam break; 428178354Ssam default: 429178354Ssam return NULL; 430178354Ssam } 431178354Ssam 432178354Ssam /* 433178354Ssam * Load firmware image using the firmware(9) subsystem. Doing 434178354Ssam * this unlocked is ok since we're single-threaded by the 435178354Ssam * 802.11 layer. 436178354Ssam */ 437178354Ssam if (sc->sc_firmware == NULL || 438178354Ssam strcmp(sc->sc_firmware->name, imagename) != 0) { 439178354Ssam if (sc->sc_firmware != NULL) 440178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 441178354Ssam sc->sc_firmware = firmware_get(imagename); 442178354Ssam } 443178354Ssam if (sc->sc_firmware == NULL) { 444178354Ssam device_printf(sc->sc_dev, 445178354Ssam "could not load firmware image '%s'\n", imagename); 446178354Ssam return NULL; 447178354Ssam } 448178354Ssam fp = sc->sc_firmware; 449178354Ssam if (fp->datasize < sizeof *hdr) { 450178354Ssam device_printf(sc->sc_dev, 451178354Ssam "firmware image too short %zu\n", fp->datasize); 452178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 453178354Ssam sc->sc_firmware = NULL; 454178354Ssam return NULL; 455178354Ssam } 456178354Ssam hdr = (const struct ipw_firmware_hdr *)fp->data; 457178354Ssam if (fp->datasize < sizeof *hdr + le32toh(hdr->mainsz) + 458178354Ssam le32toh(hdr->ucodesz)) { 459178354Ssam device_printf(sc->sc_dev, 460178354Ssam "firmware image too short %zu\n", fp->datasize); 461178354Ssam firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD); 462178354Ssam sc->sc_firmware = NULL; 463178354Ssam return NULL; 464178354Ssam } 465178354Ssam 466287197Sglebius ivp = malloc(sizeof(struct ipw_vap), M_80211_VAP, M_WAITOK | M_ZERO); 467178354Ssam vap = &ivp->vap; 468178354Ssam 469287197Sglebius ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid); 470178354Ssam /* override with driver methods */ 471178354Ssam ivp->newstate = vap->iv_newstate; 472178354Ssam vap->iv_newstate = ipw_newstate; 473178354Ssam 474178354Ssam /* complete setup */ 475287197Sglebius ieee80211_vap_attach(vap, ieee80211_media_change, ipw_media_status, 476287197Sglebius mac); 477178354Ssam ic->ic_opmode = opmode; 478178354Ssam return vap; 479178354Ssam} 480178354Ssam 481178354Ssamstatic void 482178354Ssamipw_vap_delete(struct ieee80211vap *vap) 483178354Ssam{ 484178354Ssam struct ipw_vap *ivp = IPW_VAP(vap); 485178354Ssam 486178354Ssam ieee80211_vap_detach(vap); 487178354Ssam free(ivp, M_80211_VAP); 488178354Ssam} 489178354Ssam 490145247Sdamienstatic int 491145247Sdamienipw_dma_alloc(struct ipw_softc *sc) 492145247Sdamien{ 493145247Sdamien struct ipw_soft_bd *sbd; 494145247Sdamien struct ipw_soft_hdr *shdr; 495145247Sdamien struct ipw_soft_buf *sbuf; 496145247Sdamien bus_addr_t physaddr; 497145247Sdamien int error, i; 498145247Sdamien 499145247Sdamien /* 500232874Sscottl * Allocate parent DMA tag for subsequent allocations. 501232874Sscottl */ 502232874Sscottl error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 503232874Sscottl BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 504232874Sscottl BUS_SPACE_MAXSIZE_32BIT, BUS_SPACE_UNRESTRICTED, 505232874Sscottl BUS_SPACE_MAXSIZE_32BIT, 0, NULL, NULL, &sc->parent_dmat); 506232874Sscottl if (error != 0) { 507232874Sscottl device_printf(sc->sc_dev, "could not create parent DMA tag\n"); 508232874Sscottl goto fail; 509232874Sscottl } 510232874Sscottl 511232874Sscottl /* 512145247Sdamien * Allocate and map tx ring. 513145247Sdamien */ 514232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 4, 0, BUS_SPACE_MAXADDR_32BIT, 515145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_TBD_SZ, 1, IPW_TBD_SZ, 0, NULL, 516145247Sdamien NULL, &sc->tbd_dmat); 517145247Sdamien if (error != 0) { 518145247Sdamien device_printf(sc->sc_dev, "could not create tx ring DMA tag\n"); 519145247Sdamien goto fail; 520145247Sdamien } 521145247Sdamien 522145247Sdamien error = bus_dmamem_alloc(sc->tbd_dmat, (void **)&sc->tbd_list, 523145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->tbd_map); 524145247Sdamien if (error != 0) { 525145247Sdamien device_printf(sc->sc_dev, 526145247Sdamien "could not allocate tx ring DMA memory\n"); 527145247Sdamien goto fail; 528145247Sdamien } 529145247Sdamien 530145247Sdamien error = bus_dmamap_load(sc->tbd_dmat, sc->tbd_map, sc->tbd_list, 531145247Sdamien IPW_TBD_SZ, ipw_dma_map_addr, &sc->tbd_phys, 0); 532145247Sdamien if (error != 0) { 533145247Sdamien device_printf(sc->sc_dev, "could not map tx ring DMA memory\n"); 534145247Sdamien goto fail; 535145247Sdamien } 536145247Sdamien 537145247Sdamien /* 538145247Sdamien * Allocate and map rx ring. 539145247Sdamien */ 540232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 4, 0, BUS_SPACE_MAXADDR_32BIT, 541145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_RBD_SZ, 1, IPW_RBD_SZ, 0, NULL, 542145247Sdamien NULL, &sc->rbd_dmat); 543145247Sdamien if (error != 0) { 544145247Sdamien device_printf(sc->sc_dev, "could not create rx ring DMA tag\n"); 545145247Sdamien goto fail; 546145247Sdamien } 547145247Sdamien 548145247Sdamien error = bus_dmamem_alloc(sc->rbd_dmat, (void **)&sc->rbd_list, 549145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->rbd_map); 550145247Sdamien if (error != 0) { 551145247Sdamien device_printf(sc->sc_dev, 552145247Sdamien "could not allocate rx ring DMA memory\n"); 553145247Sdamien goto fail; 554145247Sdamien } 555145247Sdamien 556145247Sdamien error = bus_dmamap_load(sc->rbd_dmat, sc->rbd_map, sc->rbd_list, 557145247Sdamien IPW_RBD_SZ, ipw_dma_map_addr, &sc->rbd_phys, 0); 558145247Sdamien if (error != 0) { 559145247Sdamien device_printf(sc->sc_dev, "could not map rx ring DMA memory\n"); 560145247Sdamien goto fail; 561145247Sdamien } 562145247Sdamien 563145247Sdamien /* 564145247Sdamien * Allocate and map status ring. 565145247Sdamien */ 566232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 4, 0, BUS_SPACE_MAXADDR_32BIT, 567145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, IPW_STATUS_SZ, 1, IPW_STATUS_SZ, 0, 568145247Sdamien NULL, NULL, &sc->status_dmat); 569145247Sdamien if (error != 0) { 570145247Sdamien device_printf(sc->sc_dev, 571145247Sdamien "could not create status ring DMA tag\n"); 572145247Sdamien goto fail; 573145247Sdamien } 574145247Sdamien 575145247Sdamien error = bus_dmamem_alloc(sc->status_dmat, (void **)&sc->status_list, 576145247Sdamien BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->status_map); 577145247Sdamien if (error != 0) { 578145247Sdamien device_printf(sc->sc_dev, 579145247Sdamien "could not allocate status ring DMA memory\n"); 580145247Sdamien goto fail; 581145247Sdamien } 582145247Sdamien 583145247Sdamien error = bus_dmamap_load(sc->status_dmat, sc->status_map, 584145247Sdamien sc->status_list, IPW_STATUS_SZ, ipw_dma_map_addr, &sc->status_phys, 585145247Sdamien 0); 586145247Sdamien if (error != 0) { 587145247Sdamien device_printf(sc->sc_dev, 588145247Sdamien "could not map status ring DMA memory\n"); 589145247Sdamien goto fail; 590145247Sdamien } 591145247Sdamien 592145247Sdamien /* 593145247Sdamien * Allocate command DMA map. 594145247Sdamien */ 595232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 1, 0, BUS_SPACE_MAXADDR_32BIT, 596145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, sizeof (struct ipw_cmd), 1, 597145247Sdamien sizeof (struct ipw_cmd), 0, NULL, NULL, &sc->cmd_dmat); 598145247Sdamien if (error != 0) { 599145247Sdamien device_printf(sc->sc_dev, "could not create command DMA tag\n"); 600145247Sdamien goto fail; 601145247Sdamien } 602145247Sdamien 603145247Sdamien error = bus_dmamap_create(sc->cmd_dmat, 0, &sc->cmd_map); 604145247Sdamien if (error != 0) { 605145247Sdamien device_printf(sc->sc_dev, 606145247Sdamien "could not create command DMA map\n"); 607145247Sdamien goto fail; 608145247Sdamien } 609145247Sdamien 610145247Sdamien /* 611145247Sdamien * Allocate headers DMA maps. 612145247Sdamien */ 613232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 1, 0, BUS_SPACE_MAXADDR_32BIT, 614145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, sizeof (struct ipw_hdr), 1, 615145247Sdamien sizeof (struct ipw_hdr), 0, NULL, NULL, &sc->hdr_dmat); 616145247Sdamien if (error != 0) { 617145247Sdamien device_printf(sc->sc_dev, "could not create header DMA tag\n"); 618145247Sdamien goto fail; 619145247Sdamien } 620145247Sdamien 621145247Sdamien SLIST_INIT(&sc->free_shdr); 622145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 623145247Sdamien shdr = &sc->shdr_list[i]; 624145247Sdamien error = bus_dmamap_create(sc->hdr_dmat, 0, &shdr->map); 625145247Sdamien if (error != 0) { 626145247Sdamien device_printf(sc->sc_dev, 627145247Sdamien "could not create header DMA map\n"); 628145247Sdamien goto fail; 629145247Sdamien } 630145247Sdamien SLIST_INSERT_HEAD(&sc->free_shdr, shdr, next); 631145247Sdamien } 632145247Sdamien 633145247Sdamien /* 634145247Sdamien * Allocate tx buffers DMA maps. 635145247Sdamien */ 636232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 1, 0, BUS_SPACE_MAXADDR_32BIT, 637145247Sdamien BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, IPW_MAX_NSEG, MCLBYTES, 0, 638145247Sdamien NULL, NULL, &sc->txbuf_dmat); 639145247Sdamien if (error != 0) { 640145247Sdamien device_printf(sc->sc_dev, "could not create tx DMA tag\n"); 641145247Sdamien goto fail; 642145247Sdamien } 643145247Sdamien 644145247Sdamien SLIST_INIT(&sc->free_sbuf); 645145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 646145247Sdamien sbuf = &sc->tx_sbuf_list[i]; 647145247Sdamien error = bus_dmamap_create(sc->txbuf_dmat, 0, &sbuf->map); 648145247Sdamien if (error != 0) { 649145247Sdamien device_printf(sc->sc_dev, 650145247Sdamien "could not create tx DMA map\n"); 651145247Sdamien goto fail; 652145247Sdamien } 653145247Sdamien SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next); 654145247Sdamien } 655145247Sdamien 656145247Sdamien /* 657145247Sdamien * Initialize tx ring. 658145247Sdamien */ 659145247Sdamien for (i = 0; i < IPW_NTBD; i++) { 660145247Sdamien sbd = &sc->stbd_list[i]; 661145247Sdamien sbd->bd = &sc->tbd_list[i]; 662145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 663145247Sdamien } 664145247Sdamien 665145247Sdamien /* 666145247Sdamien * Pre-allocate rx buffers and DMA maps. 667145247Sdamien */ 668232874Sscottl error = bus_dma_tag_create(sc->parent_dmat, 1, 0, BUS_SPACE_MAXADDR_32BIT, 669147841Sdamien BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1, MCLBYTES, 0, NULL, 670147841Sdamien NULL, &sc->rxbuf_dmat); 671145247Sdamien if (error != 0) { 672145247Sdamien device_printf(sc->sc_dev, "could not create rx DMA tag\n"); 673145247Sdamien goto fail; 674145247Sdamien } 675145247Sdamien 676145247Sdamien for (i = 0; i < IPW_NRBD; i++) { 677145247Sdamien sbd = &sc->srbd_list[i]; 678145247Sdamien sbuf = &sc->rx_sbuf_list[i]; 679145247Sdamien sbd->bd = &sc->rbd_list[i]; 680145247Sdamien 681243857Sglebius sbuf->m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 682145247Sdamien if (sbuf->m == NULL) { 683145247Sdamien device_printf(sc->sc_dev, 684145247Sdamien "could not allocate rx mbuf\n"); 685145247Sdamien error = ENOMEM; 686145247Sdamien goto fail; 687145247Sdamien } 688145247Sdamien 689145247Sdamien error = bus_dmamap_create(sc->rxbuf_dmat, 0, &sbuf->map); 690145247Sdamien if (error != 0) { 691145247Sdamien device_printf(sc->sc_dev, 692145247Sdamien "could not create rx DMA map\n"); 693145247Sdamien goto fail; 694145247Sdamien } 695145247Sdamien 696145247Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, 697145247Sdamien mtod(sbuf->m, void *), MCLBYTES, ipw_dma_map_addr, 698145247Sdamien &physaddr, 0); 699145247Sdamien if (error != 0) { 700145247Sdamien device_printf(sc->sc_dev, 701145247Sdamien "could not map rx DMA memory\n"); 702145247Sdamien goto fail; 703145247Sdamien } 704145247Sdamien 705145247Sdamien sbd->type = IPW_SBD_TYPE_DATA; 706145247Sdamien sbd->priv = sbuf; 707145247Sdamien sbd->bd->physaddr = htole32(physaddr); 708145247Sdamien sbd->bd->len = htole32(MCLBYTES); 709145247Sdamien } 710145247Sdamien 711145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 712145247Sdamien 713145247Sdamien return 0; 714145247Sdamien 715145247Sdamienfail: ipw_release(sc); 716145247Sdamien return error; 717145247Sdamien} 718145247Sdamien 719145247Sdamienstatic void 720145247Sdamienipw_release(struct ipw_softc *sc) 721145247Sdamien{ 722145247Sdamien struct ipw_soft_buf *sbuf; 723145247Sdamien int i; 724145247Sdamien 725232874Sscottl if (sc->parent_dmat != NULL) { 726232874Sscottl bus_dma_tag_destroy(sc->parent_dmat); 727232874Sscottl } 728232874Sscottl 729145247Sdamien if (sc->tbd_dmat != NULL) { 730283528Sglebius bus_dmamap_unload(sc->tbd_dmat, sc->tbd_map); 731283528Sglebius bus_dmamem_free(sc->tbd_dmat, sc->tbd_list, sc->tbd_map); 732145247Sdamien bus_dma_tag_destroy(sc->tbd_dmat); 733145247Sdamien } 734145247Sdamien 735145247Sdamien if (sc->rbd_dmat != NULL) { 736145247Sdamien if (sc->rbd_list != NULL) { 737145247Sdamien bus_dmamap_unload(sc->rbd_dmat, sc->rbd_map); 738145247Sdamien bus_dmamem_free(sc->rbd_dmat, sc->rbd_list, 739145247Sdamien sc->rbd_map); 740145247Sdamien } 741145247Sdamien bus_dma_tag_destroy(sc->rbd_dmat); 742145247Sdamien } 743145247Sdamien 744145247Sdamien if (sc->status_dmat != NULL) { 745145247Sdamien if (sc->status_list != NULL) { 746145247Sdamien bus_dmamap_unload(sc->status_dmat, sc->status_map); 747145247Sdamien bus_dmamem_free(sc->status_dmat, sc->status_list, 748145247Sdamien sc->status_map); 749145247Sdamien } 750145247Sdamien bus_dma_tag_destroy(sc->status_dmat); 751145247Sdamien } 752145247Sdamien 753145247Sdamien for (i = 0; i < IPW_NTBD; i++) 754145247Sdamien ipw_release_sbd(sc, &sc->stbd_list[i]); 755145247Sdamien 756145247Sdamien if (sc->cmd_dmat != NULL) { 757145247Sdamien bus_dmamap_destroy(sc->cmd_dmat, sc->cmd_map); 758145247Sdamien bus_dma_tag_destroy(sc->cmd_dmat); 759145247Sdamien } 760145247Sdamien 761145247Sdamien if (sc->hdr_dmat != NULL) { 762145247Sdamien for (i = 0; i < IPW_NDATA; i++) 763145247Sdamien bus_dmamap_destroy(sc->hdr_dmat, sc->shdr_list[i].map); 764145247Sdamien bus_dma_tag_destroy(sc->hdr_dmat); 765145247Sdamien } 766145247Sdamien 767145247Sdamien if (sc->txbuf_dmat != NULL) { 768145247Sdamien for (i = 0; i < IPW_NDATA; i++) { 769145247Sdamien bus_dmamap_destroy(sc->txbuf_dmat, 770145247Sdamien sc->tx_sbuf_list[i].map); 771145247Sdamien } 772145247Sdamien bus_dma_tag_destroy(sc->txbuf_dmat); 773145247Sdamien } 774145247Sdamien 775145247Sdamien if (sc->rxbuf_dmat != NULL) { 776145247Sdamien for (i = 0; i < IPW_NRBD; i++) { 777145247Sdamien sbuf = &sc->rx_sbuf_list[i]; 778145247Sdamien if (sbuf->m != NULL) { 779145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, 780145247Sdamien BUS_DMASYNC_POSTREAD); 781145247Sdamien bus_dmamap_unload(sc->rxbuf_dmat, sbuf->map); 782145247Sdamien m_freem(sbuf->m); 783145247Sdamien } 784145247Sdamien bus_dmamap_destroy(sc->rxbuf_dmat, sbuf->map); 785145247Sdamien } 786145247Sdamien bus_dma_tag_destroy(sc->rxbuf_dmat); 787145247Sdamien } 788145247Sdamien} 789145247Sdamien 790145247Sdamienstatic int 791145247Sdamienipw_shutdown(device_t dev) 792145247Sdamien{ 793145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 794145247Sdamien 795145247Sdamien ipw_stop(sc); 796145247Sdamien 797145247Sdamien return 0; 798145247Sdamien} 799145247Sdamien 800145247Sdamienstatic int 801145247Sdamienipw_suspend(device_t dev) 802145247Sdamien{ 803145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 804287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 805145247Sdamien 806233387Sbschmidt ieee80211_suspend_all(ic); 807145247Sdamien return 0; 808145247Sdamien} 809145247Sdamien 810145247Sdamienstatic int 811145247Sdamienipw_resume(device_t dev) 812145247Sdamien{ 813145247Sdamien struct ipw_softc *sc = device_get_softc(dev); 814287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 815145247Sdamien 816146498Sdamien pci_write_config(dev, 0x41, 0, 1); 817146498Sdamien 818233387Sbschmidt ieee80211_resume_all(ic); 819145247Sdamien return 0; 820145247Sdamien} 821145247Sdamien 822145247Sdamienstatic int 823172567Sthompsaipw_cvtrate(int ipwrate) 824172567Sthompsa{ 825172567Sthompsa switch (ipwrate) { 826172567Sthompsa case IPW_RATE_DS1: return 2; 827172567Sthompsa case IPW_RATE_DS2: return 4; 828172567Sthompsa case IPW_RATE_DS5: return 11; 829172567Sthompsa case IPW_RATE_DS11: return 22; 830172567Sthompsa } 831145247Sdamien return 0; 832145247Sdamien} 833145247Sdamien 834145247Sdamien/* 835156599Sdamien * The firmware automatically adapts the transmit speed. We report its current 836156599Sdamien * value here. 837145247Sdamien */ 838145247Sdamienstatic void 839145247Sdamienipw_media_status(struct ifnet *ifp, struct ifmediareq *imr) 840145247Sdamien{ 841178354Ssam struct ieee80211vap *vap = ifp->if_softc; 842178354Ssam struct ieee80211com *ic = vap->iv_ic; 843286865Sadrian struct ipw_softc *sc = ic->ic_softc; 844145247Sdamien 845145247Sdamien /* read current transmission rate from adapter */ 846178354Ssam vap->iv_bss->ni_txrate = ipw_cvtrate( 847178354Ssam ipw_read_table1(sc, IPW_INFO_CURRENT_TX_RATE) & 0xf); 848178354Ssam ieee80211_media_status(ifp, imr); 849145247Sdamien} 850145247Sdamien 851145247Sdamienstatic int 852178354Ssamipw_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 853145247Sdamien{ 854178354Ssam struct ipw_vap *ivp = IPW_VAP(vap); 855178354Ssam struct ieee80211com *ic = vap->iv_ic; 856286865Sadrian struct ipw_softc *sc = ic->ic_softc; 857191746Sthompsa enum ieee80211_state ostate; 858145247Sdamien 859172567Sthompsa DPRINTF(("%s: %s -> %s flags 0x%x\n", __func__, 860178354Ssam ieee80211_state_name[vap->iv_state], 861172567Sthompsa ieee80211_state_name[nstate], sc->flags)); 862172567Sthompsa 863191746Sthompsa ostate = vap->iv_state; 864191746Sthompsa IEEE80211_UNLOCK(ic); 865191746Sthompsa 866145247Sdamien switch (nstate) { 867145247Sdamien case IEEE80211_S_RUN: 868172567Sthompsa if (ic->ic_opmode == IEEE80211_M_IBSS) { 869172567Sthompsa /* 870172567Sthompsa * XXX when joining an ibss network we are called 871172567Sthompsa * with a SCAN -> RUN transition on scan complete. 872206763Sbschmidt * Use that to call ipw_assoc. On completing the 873206763Sbschmidt * join we are then called again with an AUTH -> RUN 874206763Sbschmidt * transition and we want to do nothing. This is 875206763Sbschmidt * all totally bogus and needs to be redone. 876172567Sthompsa */ 877191746Sthompsa if (ostate == IEEE80211_S_SCAN) 878191746Sthompsa ipw_assoc(ic, vap); 879172567Sthompsa } 880172567Sthompsa break; 881145247Sdamien 882172567Sthompsa case IEEE80211_S_INIT: 883172567Sthompsa if (sc->flags & IPW_FLAG_ASSOCIATED) 884191746Sthompsa ipw_disassoc(ic, vap); 885172567Sthompsa break; 886145247Sdamien 887172567Sthompsa case IEEE80211_S_AUTH: 888206765Sbschmidt /* 889206765Sbschmidt * Move to ASSOC state after the ipw_assoc() call. Firmware 890206765Sbschmidt * takes care of authentication, after the call we'll receive 891206765Sbschmidt * only an assoc response which would otherwise be discared 892206765Sbschmidt * if we are still in AUTH state. 893206765Sbschmidt */ 894206765Sbschmidt nstate = IEEE80211_S_ASSOC; 895191746Sthompsa ipw_assoc(ic, vap); 896191746Sthompsa break; 897145247Sdamien 898172567Sthompsa case IEEE80211_S_ASSOC: 899172567Sthompsa /* 900206763Sbschmidt * If we are not transitioning from AUTH then resend the 901172567Sthompsa * association request. 902172567Sthompsa */ 903191746Sthompsa if (ostate != IEEE80211_S_AUTH) 904191746Sthompsa ipw_assoc(ic, vap); 905145247Sdamien break; 906145247Sdamien 907172058Ssam default: 908145247Sdamien break; 909145247Sdamien } 910191746Sthompsa IEEE80211_LOCK(ic); 911178354Ssam return ivp->newstate(vap, nstate, arg); 912145247Sdamien} 913145247Sdamien 914145247Sdamien/* 915145247Sdamien * Read 16 bits at address 'addr' from the serial EEPROM. 916145247Sdamien */ 917145247Sdamienstatic uint16_t 918145247Sdamienipw_read_prom_word(struct ipw_softc *sc, uint8_t addr) 919145247Sdamien{ 920145247Sdamien uint32_t tmp; 921145247Sdamien uint16_t val; 922145247Sdamien int n; 923145247Sdamien 924145247Sdamien /* clock C once before the first command */ 925145247Sdamien IPW_EEPROM_CTL(sc, 0); 926145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 927145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 928145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 929145247Sdamien 930145247Sdamien /* write start bit (1) */ 931145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D); 932145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C); 933145247Sdamien 934145247Sdamien /* write READ opcode (10) */ 935145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D); 936145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C); 937145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 938145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 939145247Sdamien 940145247Sdamien /* write address A7-A0 */ 941145247Sdamien for (n = 7; n >= 0; n--) { 942145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | 943145247Sdamien (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D)); 944145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | 945145247Sdamien (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D) | IPW_EEPROM_C); 946145247Sdamien } 947145247Sdamien 948145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 949145247Sdamien 950145247Sdamien /* read data Q15-Q0 */ 951145247Sdamien val = 0; 952145247Sdamien for (n = 15; n >= 0; n--) { 953145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C); 954145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 955145247Sdamien tmp = MEM_READ_4(sc, IPW_MEM_EEPROM_CTL); 956145247Sdamien val |= ((tmp & IPW_EEPROM_Q) >> IPW_EEPROM_SHIFT_Q) << n; 957145247Sdamien } 958145247Sdamien 959145247Sdamien IPW_EEPROM_CTL(sc, 0); 960145247Sdamien 961145247Sdamien /* clear Chip Select and clock C */ 962145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_S); 963145247Sdamien IPW_EEPROM_CTL(sc, 0); 964145247Sdamien IPW_EEPROM_CTL(sc, IPW_EEPROM_C); 965145247Sdamien 966145247Sdamien return le16toh(val); 967145247Sdamien} 968145247Sdamien 969145247Sdamienstatic void 970172567Sthompsaipw_rx_cmd_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf) 971145247Sdamien{ 972145247Sdamien struct ipw_cmd *cmd; 973145247Sdamien 974145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 975145247Sdamien 976145247Sdamien cmd = mtod(sbuf->m, struct ipw_cmd *); 977145247Sdamien 978172567Sthompsa DPRINTFN(9, ("cmd ack'ed %s(%u, %u, %u, %u, %u)\n", 979172567Sthompsa ipw_cmdname(le32toh(cmd->type)), le32toh(cmd->type), 980145247Sdamien le32toh(cmd->subtype), le32toh(cmd->seq), le32toh(cmd->len), 981145247Sdamien le32toh(cmd->status))); 982145247Sdamien 983172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 984145247Sdamien wakeup(sc); 985145247Sdamien} 986145247Sdamien 987145247Sdamienstatic void 988172567Sthompsaipw_rx_newstate_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf) 989145247Sdamien{ 990178354Ssam#define IEEESTATE(vap) ieee80211_state_name[vap->iv_state] 991287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 992178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 993145247Sdamien uint32_t state; 994145247Sdamien 995145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 996145247Sdamien 997145247Sdamien state = le32toh(*mtod(sbuf->m, uint32_t *)); 998145247Sdamien 999145247Sdamien switch (state) { 1000145247Sdamien case IPW_STATE_ASSOCIATED: 1001172567Sthompsa DPRINTFN(2, ("Association succeeded (%s flags 0x%x)\n", 1002178354Ssam IEEESTATE(vap), sc->flags)); 1003178354Ssam /* XXX suppress state change in case the fw auto-associates */ 1004178354Ssam if ((sc->flags & IPW_FLAG_ASSOCIATING) == 0) { 1005178354Ssam DPRINTF(("Unexpected association (%s, flags 0x%x)\n", 1006178354Ssam IEEESTATE(vap), sc->flags)); 1007178354Ssam break; 1008178354Ssam } 1009178354Ssam sc->flags &= ~IPW_FLAG_ASSOCIATING; 1010172567Sthompsa sc->flags |= IPW_FLAG_ASSOCIATED; 1011145247Sdamien break; 1012145247Sdamien 1013145247Sdamien case IPW_STATE_SCANNING: 1014172567Sthompsa DPRINTFN(3, ("Scanning (%s flags 0x%x)\n", 1015178354Ssam IEEESTATE(vap), sc->flags)); 1016172567Sthompsa /* 1017172567Sthompsa * NB: Check driver state for association on assoc 1018172567Sthompsa * loss as the firmware will immediately start to 1019172567Sthompsa * scan and we would treat it as a beacon miss if 1020172567Sthompsa * we checked the 802.11 layer state. 1021172567Sthompsa */ 1022178354Ssam if (sc->flags & IPW_FLAG_ASSOCIATED) { 1023206767Sbschmidt IPW_UNLOCK(sc); 1024178354Ssam /* XXX probably need to issue disassoc to fw */ 1025191746Sthompsa ieee80211_beacon_miss(ic); 1026206767Sbschmidt IPW_LOCK(sc); 1027178354Ssam } 1028145247Sdamien break; 1029145247Sdamien 1030145247Sdamien case IPW_STATE_SCAN_COMPLETE: 1031172567Sthompsa /* 1032172567Sthompsa * XXX For some reason scan requests generate scan 1033172567Sthompsa * started + scan done events before any traffic is 1034172567Sthompsa * received (e.g. probe response frames). We work 1035172567Sthompsa * around this by marking the HACK flag and skipping 1036172567Sthompsa * the first scan complete event. 1037172567Sthompsa */ 1038178354Ssam DPRINTFN(3, ("Scan complete (%s flags 0x%x)\n", 1039178354Ssam IEEESTATE(vap), sc->flags)); 1040172567Sthompsa if (sc->flags & IPW_FLAG_HACK) { 1041172567Sthompsa sc->flags &= ~IPW_FLAG_HACK; 1042172567Sthompsa break; 1043172567Sthompsa } 1044172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) { 1045206767Sbschmidt IPW_UNLOCK(sc); 1046191746Sthompsa ieee80211_scan_done(vap); 1047206767Sbschmidt IPW_LOCK(sc); 1048172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 1049172567Sthompsa sc->sc_scan_timer = 0; 1050172567Sthompsa } 1051145247Sdamien break; 1052145247Sdamien 1053145247Sdamien case IPW_STATE_ASSOCIATION_LOST: 1054172567Sthompsa DPRINTFN(2, ("Association lost (%s flags 0x%x)\n", 1055178354Ssam IEEESTATE(vap), sc->flags)); 1056178354Ssam sc->flags &= ~(IPW_FLAG_ASSOCIATING | IPW_FLAG_ASSOCIATED); 1057206767Sbschmidt if (vap->iv_state == IEEE80211_S_RUN) { 1058206767Sbschmidt IPW_UNLOCK(sc); 1059191746Sthompsa ieee80211_new_state(vap, IEEE80211_S_SCAN, -1); 1060206767Sbschmidt IPW_LOCK(sc); 1061206767Sbschmidt } 1062145247Sdamien break; 1063145247Sdamien 1064172567Sthompsa case IPW_STATE_DISABLED: 1065178354Ssam /* XXX? is this right? */ 1066206763Sbschmidt sc->flags &= ~(IPW_FLAG_HACK | IPW_FLAG_SCANNING | 1067178354Ssam IPW_FLAG_ASSOCIATING | IPW_FLAG_ASSOCIATED); 1068172567Sthompsa DPRINTFN(2, ("Firmware disabled (%s flags 0x%x)\n", 1069178354Ssam IEEESTATE(vap), sc->flags)); 1070172567Sthompsa break; 1071172567Sthompsa 1072145247Sdamien case IPW_STATE_RADIO_DISABLED: 1073178354Ssam device_printf(sc->sc_dev, "radio turned off\n"); 1074178354Ssam ieee80211_notify_radio(ic, 0); 1075172567Sthompsa ipw_stop_locked(sc); 1076178354Ssam /* XXX start polling thread to detect radio on */ 1077145247Sdamien break; 1078172567Sthompsa 1079172567Sthompsa default: 1080172567Sthompsa DPRINTFN(2, ("%s: unhandled state %u %s flags 0x%x\n", 1081178354Ssam __func__, state, IEEESTATE(vap), sc->flags)); 1082172567Sthompsa break; 1083145247Sdamien } 1084172567Sthompsa#undef IEEESTATE 1085145247Sdamien} 1086145247Sdamien 1087145247Sdamien/* 1088172567Sthompsa * Set driver state for current channel. 1089172567Sthompsa */ 1090172567Sthompsastatic void 1091172567Sthompsaipw_setcurchan(struct ipw_softc *sc, struct ieee80211_channel *chan) 1092172567Sthompsa{ 1093287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1094172567Sthompsa 1095172567Sthompsa ic->ic_curchan = chan; 1096192468Ssam ieee80211_radiotap_chan_change(ic); 1097172567Sthompsa} 1098172567Sthompsa 1099172567Sthompsa/* 1100145247Sdamien * XXX: Hack to set the current channel to the value advertised in beacons or 1101145247Sdamien * probe responses. Only used during AP detection. 1102145247Sdamien */ 1103145247Sdamienstatic void 1104172567Sthompsaipw_fix_channel(struct ipw_softc *sc, struct mbuf *m) 1105145247Sdamien{ 1106287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1107172567Sthompsa struct ieee80211_channel *c; 1108145247Sdamien struct ieee80211_frame *wh; 1109145247Sdamien uint8_t subtype; 1110145247Sdamien uint8_t *frm, *efrm; 1111145247Sdamien 1112145247Sdamien wh = mtod(m, struct ieee80211_frame *); 1113145247Sdamien 1114145247Sdamien if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 1115145247Sdamien return; 1116145247Sdamien 1117145247Sdamien subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 1118145247Sdamien 1119145247Sdamien if (subtype != IEEE80211_FC0_SUBTYPE_BEACON && 1120145247Sdamien subtype != IEEE80211_FC0_SUBTYPE_PROBE_RESP) 1121145247Sdamien return; 1122145247Sdamien 1123178354Ssam /* XXX use ieee80211_parse_beacon */ 1124145247Sdamien frm = (uint8_t *)(wh + 1); 1125145247Sdamien efrm = mtod(m, uint8_t *) + m->m_len; 1126145247Sdamien 1127145247Sdamien frm += 12; /* skip tstamp, bintval and capinfo fields */ 1128145247Sdamien while (frm < efrm) { 1129145247Sdamien if (*frm == IEEE80211_ELEMID_DSPARMS) 1130145247Sdamien#if IEEE80211_CHAN_MAX < 255 1131145247Sdamien if (frm[2] <= IEEE80211_CHAN_MAX) 1132145247Sdamien#endif 1133172567Sthompsa { 1134172567Sthompsa DPRINTF(("Fixing channel to %d\n", frm[2])); 1135172567Sthompsa c = ieee80211_find_channel(ic, 1136170530Ssam ieee80211_ieee2mhz(frm[2], 0), 1137172567Sthompsa IEEE80211_CHAN_B); 1138172567Sthompsa if (c == NULL) 1139172567Sthompsa c = &ic->ic_channels[0]; 1140172567Sthompsa ipw_setcurchan(sc, c); 1141172567Sthompsa } 1142145247Sdamien 1143145247Sdamien frm += frm[1] + 2; 1144145247Sdamien } 1145145247Sdamien} 1146145247Sdamien 1147145247Sdamienstatic void 1148172567Sthompsaipw_rx_data_intr(struct ipw_softc *sc, struct ipw_status *status, 1149145247Sdamien struct ipw_soft_bd *sbd, struct ipw_soft_buf *sbuf) 1150145247Sdamien{ 1151287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1152152385Sdamien struct mbuf *mnew, *m; 1153145247Sdamien struct ieee80211_node *ni; 1154145247Sdamien bus_addr_t physaddr; 1155145247Sdamien int error; 1156192468Ssam int8_t rssi, nf; 1157145247Sdamien 1158152385Sdamien DPRINTFN(5, ("received frame len=%u, rssi=%u\n", le32toh(status->len), 1159152385Sdamien status->rssi)); 1160152385Sdamien 1161147757Sdamien if (le32toh(status->len) < sizeof (struct ieee80211_frame_min) || 1162147757Sdamien le32toh(status->len) > MCLBYTES) 1163147757Sdamien return; 1164147757Sdamien 1165152385Sdamien /* 1166152385Sdamien * Try to allocate a new mbuf for this ring element and load it before 1167152385Sdamien * processing the current mbuf. If the ring element cannot be loaded, 1168152385Sdamien * drop the received packet and reuse the old mbuf. In the unlikely 1169152385Sdamien * case that the old mbuf can't be reloaded either, explicitly panic. 1170152385Sdamien */ 1171243857Sglebius mnew = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1172152385Sdamien if (mnew == NULL) { 1173287197Sglebius counter_u64_add(ic->ic_ierrors, 1); 1174152385Sdamien return; 1175152385Sdamien } 1176152385Sdamien 1177145247Sdamien bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD); 1178145247Sdamien bus_dmamap_unload(sc->rxbuf_dmat, sbuf->map); 1179145247Sdamien 1180152385Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, mtod(mnew, void *), 1181152385Sdamien MCLBYTES, ipw_dma_map_addr, &physaddr, 0); 1182152385Sdamien if (error != 0) { 1183152385Sdamien m_freem(mnew); 1184152385Sdamien 1185152385Sdamien /* try to reload the old mbuf */ 1186152385Sdamien error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, 1187152385Sdamien mtod(sbuf->m, void *), MCLBYTES, ipw_dma_map_addr, 1188152385Sdamien &physaddr, 0); 1189152385Sdamien if (error != 0) { 1190152385Sdamien /* very unlikely that it will fail... */ 1191152385Sdamien panic("%s: could not load old rx mbuf", 1192152385Sdamien device_get_name(sc->sc_dev)); 1193152385Sdamien } 1194287197Sglebius counter_u64_add(ic->ic_ierrors, 1); 1195152385Sdamien return; 1196152385Sdamien } 1197152385Sdamien 1198152385Sdamien /* 1199152385Sdamien * New mbuf successfully loaded, update Rx ring and continue 1200152385Sdamien * processing. 1201152385Sdamien */ 1202152385Sdamien m = sbuf->m; 1203152385Sdamien sbuf->m = mnew; 1204152385Sdamien sbd->bd->physaddr = htole32(physaddr); 1205145247Sdamien m->m_pkthdr.len = m->m_len = le32toh(status->len); 1206145247Sdamien 1207192468Ssam rssi = status->rssi + IPW_RSSI_TO_DBM; 1208192468Ssam nf = -95; 1209192468Ssam if (ieee80211_radiotap_active(ic)) { 1210145247Sdamien struct ipw_rx_radiotap_header *tap = &sc->sc_rxtap; 1211145247Sdamien 1212145247Sdamien tap->wr_flags = 0; 1213192468Ssam tap->wr_antsignal = rssi; 1214192468Ssam tap->wr_antnoise = nf; 1215145247Sdamien } 1216145247Sdamien 1217172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) 1218172567Sthompsa ipw_fix_channel(sc, m); 1219145247Sdamien 1220172567Sthompsa IPW_UNLOCK(sc); 1221178354Ssam ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *)); 1222178354Ssam if (ni != NULL) { 1223206764Sbschmidt (void) ieee80211_input(ni, m, rssi - nf, nf); 1224178354Ssam ieee80211_free_node(ni); 1225178354Ssam } else 1226206764Sbschmidt (void) ieee80211_input_all(ic, m, rssi - nf, nf); 1227172567Sthompsa IPW_LOCK(sc); 1228145247Sdamien 1229145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 1230145247Sdamien} 1231145247Sdamien 1232145247Sdamienstatic void 1233145247Sdamienipw_rx_intr(struct ipw_softc *sc) 1234145247Sdamien{ 1235145247Sdamien struct ipw_status *status; 1236145247Sdamien struct ipw_soft_bd *sbd; 1237145247Sdamien struct ipw_soft_buf *sbuf; 1238145247Sdamien uint32_t r, i; 1239145247Sdamien 1240145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1241145247Sdamien return; 1242145247Sdamien 1243145247Sdamien r = CSR_READ_4(sc, IPW_CSR_RX_READ); 1244145247Sdamien 1245145247Sdamien bus_dmamap_sync(sc->status_dmat, sc->status_map, BUS_DMASYNC_POSTREAD); 1246145247Sdamien 1247145247Sdamien for (i = (sc->rxcur + 1) % IPW_NRBD; i != r; i = (i + 1) % IPW_NRBD) { 1248145247Sdamien status = &sc->status_list[i]; 1249145247Sdamien sbd = &sc->srbd_list[i]; 1250145247Sdamien sbuf = sbd->priv; 1251145247Sdamien 1252145247Sdamien switch (le16toh(status->code) & 0xf) { 1253145247Sdamien case IPW_STATUS_CODE_COMMAND: 1254172567Sthompsa ipw_rx_cmd_intr(sc, sbuf); 1255145247Sdamien break; 1256145247Sdamien 1257145247Sdamien case IPW_STATUS_CODE_NEWSTATE: 1258172567Sthompsa ipw_rx_newstate_intr(sc, sbuf); 1259145247Sdamien break; 1260145247Sdamien 1261145247Sdamien case IPW_STATUS_CODE_DATA_802_3: 1262145247Sdamien case IPW_STATUS_CODE_DATA_802_11: 1263172567Sthompsa ipw_rx_data_intr(sc, status, sbd, sbuf); 1264145247Sdamien break; 1265145247Sdamien 1266145247Sdamien case IPW_STATUS_CODE_NOTIFICATION: 1267172567Sthompsa DPRINTFN(2, ("notification status, len %u flags 0x%x\n", 1268172567Sthompsa le32toh(status->len), status->flags)); 1269178354Ssam /* XXX maybe drive state machine AUTH->ASSOC? */ 1270145247Sdamien break; 1271145247Sdamien 1272145247Sdamien default: 1273172567Sthompsa device_printf(sc->sc_dev, "unexpected status code %u\n", 1274145247Sdamien le16toh(status->code)); 1275145247Sdamien } 1276145247Sdamien 1277145247Sdamien /* firmware was killed, stop processing received frames */ 1278145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1279145247Sdamien return; 1280145247Sdamien 1281145247Sdamien sbd->bd->flags = 0; 1282145247Sdamien } 1283145247Sdamien 1284145247Sdamien bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE); 1285145247Sdamien 1286145247Sdamien /* kick the firmware */ 1287145247Sdamien sc->rxcur = (r == 0) ? IPW_NRBD - 1 : r - 1; 1288145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_WRITE, sc->rxcur); 1289145247Sdamien} 1290145247Sdamien 1291145247Sdamienstatic void 1292145247Sdamienipw_release_sbd(struct ipw_softc *sc, struct ipw_soft_bd *sbd) 1293145247Sdamien{ 1294145247Sdamien struct ipw_soft_hdr *shdr; 1295145247Sdamien struct ipw_soft_buf *sbuf; 1296145247Sdamien 1297145247Sdamien switch (sbd->type) { 1298145247Sdamien case IPW_SBD_TYPE_COMMAND: 1299145247Sdamien bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map, 1300145247Sdamien BUS_DMASYNC_POSTWRITE); 1301145247Sdamien bus_dmamap_unload(sc->cmd_dmat, sc->cmd_map); 1302145247Sdamien break; 1303145247Sdamien 1304145247Sdamien case IPW_SBD_TYPE_HEADER: 1305145247Sdamien shdr = sbd->priv; 1306145247Sdamien bus_dmamap_sync(sc->hdr_dmat, shdr->map, BUS_DMASYNC_POSTWRITE); 1307145247Sdamien bus_dmamap_unload(sc->hdr_dmat, shdr->map); 1308145247Sdamien SLIST_INSERT_HEAD(&sc->free_shdr, shdr, next); 1309145247Sdamien break; 1310145247Sdamien 1311145247Sdamien case IPW_SBD_TYPE_DATA: 1312145247Sdamien sbuf = sbd->priv; 1313145247Sdamien bus_dmamap_sync(sc->txbuf_dmat, sbuf->map, 1314145247Sdamien BUS_DMASYNC_POSTWRITE); 1315145247Sdamien bus_dmamap_unload(sc->txbuf_dmat, sbuf->map); 1316145247Sdamien SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next); 1317145247Sdamien 1318170530Ssam if (sbuf->m->m_flags & M_TXCB) 1319170530Ssam ieee80211_process_callback(sbuf->ni, sbuf->m, 0/*XXX*/); 1320145247Sdamien m_freem(sbuf->m); 1321145247Sdamien ieee80211_free_node(sbuf->ni); 1322145247Sdamien 1323145247Sdamien sc->sc_tx_timer = 0; 1324145247Sdamien break; 1325145247Sdamien } 1326145247Sdamien 1327145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 1328145247Sdamien} 1329145247Sdamien 1330145247Sdamienstatic void 1331145247Sdamienipw_tx_intr(struct ipw_softc *sc) 1332145247Sdamien{ 1333145247Sdamien struct ipw_soft_bd *sbd; 1334145247Sdamien uint32_t r, i; 1335145247Sdamien 1336145247Sdamien if (!(sc->flags & IPW_FLAG_FW_INITED)) 1337145247Sdamien return; 1338145247Sdamien 1339145247Sdamien r = CSR_READ_4(sc, IPW_CSR_TX_READ); 1340145247Sdamien 1341145247Sdamien for (i = (sc->txold + 1) % IPW_NTBD; i != r; i = (i + 1) % IPW_NTBD) { 1342145247Sdamien sbd = &sc->stbd_list[i]; 1343145247Sdamien ipw_release_sbd(sc, sbd); 1344145247Sdamien sc->txfree++; 1345145247Sdamien } 1346145247Sdamien 1347145247Sdamien /* remember what the firmware has processed */ 1348145247Sdamien sc->txold = (r == 0) ? IPW_NTBD - 1 : r - 1; 1349145247Sdamien 1350287197Sglebius ipw_start(sc); 1351145247Sdamien} 1352145247Sdamien 1353145247Sdamienstatic void 1354191746Sthompsaipw_fatal_error_intr(struct ipw_softc *sc) 1355191746Sthompsa{ 1356287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1357191956Sthompsa struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1358191746Sthompsa 1359191746Sthompsa device_printf(sc->sc_dev, "firmware error\n"); 1360206767Sbschmidt if (vap != NULL) { 1361206767Sbschmidt IPW_UNLOCK(sc); 1362191956Sthompsa ieee80211_cancel_scan(vap); 1363206767Sbschmidt IPW_LOCK(sc); 1364206767Sbschmidt } 1365191746Sthompsa ieee80211_runtask(ic, &sc->sc_init_task); 1366191746Sthompsa} 1367191746Sthompsa 1368191746Sthompsastatic void 1369145247Sdamienipw_intr(void *arg) 1370145247Sdamien{ 1371145247Sdamien struct ipw_softc *sc = arg; 1372145247Sdamien uint32_t r; 1373145247Sdamien 1374172567Sthompsa IPW_LOCK(sc); 1375145247Sdamien 1376191746Sthompsa r = CSR_READ_4(sc, IPW_CSR_INTR); 1377191746Sthompsa if (r == 0 || r == 0xffffffff) 1378191746Sthompsa goto done; 1379145247Sdamien 1380145247Sdamien /* disable interrupts */ 1381145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0); 1382145247Sdamien 1383156599Sdamien /* acknowledge all interrupts */ 1384156599Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR, r); 1385156599Sdamien 1386145247Sdamien if (r & (IPW_INTR_FATAL_ERROR | IPW_INTR_PARITY_ERROR)) { 1387191746Sthompsa ipw_fatal_error_intr(sc); 1388191746Sthompsa goto done; 1389145247Sdamien } 1390145247Sdamien 1391156599Sdamien if (r & IPW_INTR_FW_INIT_DONE) 1392156599Sdamien wakeup(sc); 1393145247Sdamien 1394145247Sdamien if (r & IPW_INTR_RX_TRANSFER) 1395145247Sdamien ipw_rx_intr(sc); 1396145247Sdamien 1397145247Sdamien if (r & IPW_INTR_TX_TRANSFER) 1398145247Sdamien ipw_tx_intr(sc); 1399145247Sdamien 1400145247Sdamien /* re-enable interrupts */ 1401145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK); 1402191746Sthompsadone: 1403172567Sthompsa IPW_UNLOCK(sc); 1404145247Sdamien} 1405145247Sdamien 1406145247Sdamienstatic void 1407145247Sdamienipw_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) 1408145247Sdamien{ 1409145247Sdamien if (error != 0) 1410145247Sdamien return; 1411145247Sdamien 1412145247Sdamien KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 1413145247Sdamien 1414145247Sdamien *(bus_addr_t *)arg = segs[0].ds_addr; 1415145247Sdamien} 1416145247Sdamien 1417172567Sthompsastatic const char * 1418172567Sthompsaipw_cmdname(int cmd) 1419172567Sthompsa{ 1420172567Sthompsa static const struct { 1421172567Sthompsa int cmd; 1422172567Sthompsa const char *name; 1423172567Sthompsa } cmds[] = { 1424172567Sthompsa { IPW_CMD_ADD_MULTICAST, "ADD_MULTICAST" }, 1425172567Sthompsa { IPW_CMD_BROADCAST_SCAN, "BROADCAST_SCAN" }, 1426172567Sthompsa { IPW_CMD_DISABLE, "DISABLE" }, 1427172567Sthompsa { IPW_CMD_DISABLE_PHY, "DISABLE_PHY" }, 1428172567Sthompsa { IPW_CMD_ENABLE, "ENABLE" }, 1429172567Sthompsa { IPW_CMD_PREPARE_POWER_DOWN, "PREPARE_POWER_DOWN" }, 1430172567Sthompsa { IPW_CMD_SET_BASIC_TX_RATES, "SET_BASIC_TX_RATES" }, 1431172567Sthompsa { IPW_CMD_SET_BEACON_INTERVAL, "SET_BEACON_INTERVAL" }, 1432172567Sthompsa { IPW_CMD_SET_CHANNEL, "SET_CHANNEL" }, 1433172567Sthompsa { IPW_CMD_SET_CONFIGURATION, "SET_CONFIGURATION" }, 1434172567Sthompsa { IPW_CMD_SET_DESIRED_BSSID, "SET_DESIRED_BSSID" }, 1435172567Sthompsa { IPW_CMD_SET_ESSID, "SET_ESSID" }, 1436172567Sthompsa { IPW_CMD_SET_FRAG_THRESHOLD, "SET_FRAG_THRESHOLD" }, 1437172567Sthompsa { IPW_CMD_SET_MAC_ADDRESS, "SET_MAC_ADDRESS" }, 1438172567Sthompsa { IPW_CMD_SET_MANDATORY_BSSID, "SET_MANDATORY_BSSID" }, 1439172567Sthompsa { IPW_CMD_SET_MODE, "SET_MODE" }, 1440172567Sthompsa { IPW_CMD_SET_MSDU_TX_RATES, "SET_MSDU_TX_RATES" }, 1441172567Sthompsa { IPW_CMD_SET_POWER_MODE, "SET_POWER_MODE" }, 1442172567Sthompsa { IPW_CMD_SET_RTS_THRESHOLD, "SET_RTS_THRESHOLD" }, 1443172567Sthompsa { IPW_CMD_SET_SCAN_OPTIONS, "SET_SCAN_OPTIONS" }, 1444172567Sthompsa { IPW_CMD_SET_SECURITY_INFO, "SET_SECURITY_INFO" }, 1445172567Sthompsa { IPW_CMD_SET_TX_POWER_INDEX, "SET_TX_POWER_INDEX" }, 1446172567Sthompsa { IPW_CMD_SET_TX_RATES, "SET_TX_RATES" }, 1447172567Sthompsa { IPW_CMD_SET_WEP_FLAGS, "SET_WEP_FLAGS" }, 1448172567Sthompsa { IPW_CMD_SET_WEP_KEY, "SET_WEP_KEY" }, 1449172567Sthompsa { IPW_CMD_SET_WEP_KEY_INDEX, "SET_WEP_KEY_INDEX" }, 1450172567Sthompsa { IPW_CMD_SET_WPA_IE, "SET_WPA_IE" }, 1451172567Sthompsa 1452172567Sthompsa }; 1453172567Sthompsa static char buf[12]; 1454172567Sthompsa int i; 1455172567Sthompsa 1456288087Sadrian for (i = 0; i < nitems(cmds); i++) 1457172567Sthompsa if (cmds[i].cmd == cmd) 1458172567Sthompsa return cmds[i].name; 1459172567Sthompsa snprintf(buf, sizeof(buf), "%u", cmd); 1460172567Sthompsa return buf; 1461172567Sthompsa} 1462172567Sthompsa 1463145247Sdamien/* 1464145247Sdamien * Send a command to the firmware and wait for the acknowledgement. 1465145247Sdamien */ 1466145247Sdamienstatic int 1467145247Sdamienipw_cmd(struct ipw_softc *sc, uint32_t type, void *data, uint32_t len) 1468145247Sdamien{ 1469145247Sdamien struct ipw_soft_bd *sbd; 1470145247Sdamien bus_addr_t physaddr; 1471145247Sdamien int error; 1472145247Sdamien 1473178354Ssam IPW_LOCK_ASSERT(sc); 1474178354Ssam 1475172567Sthompsa if (sc->flags & IPW_FLAG_BUSY) { 1476172567Sthompsa device_printf(sc->sc_dev, "%s: %s not sent, busy\n", 1477172567Sthompsa __func__, ipw_cmdname(type)); 1478172567Sthompsa return EAGAIN; 1479172567Sthompsa } 1480172567Sthompsa sc->flags |= IPW_FLAG_BUSY; 1481172567Sthompsa 1482145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1483145247Sdamien 1484145247Sdamien error = bus_dmamap_load(sc->cmd_dmat, sc->cmd_map, &sc->cmd, 1485145247Sdamien sizeof (struct ipw_cmd), ipw_dma_map_addr, &physaddr, 0); 1486145247Sdamien if (error != 0) { 1487145247Sdamien device_printf(sc->sc_dev, "could not map command DMA memory\n"); 1488172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 1489145247Sdamien return error; 1490145247Sdamien } 1491145247Sdamien 1492145247Sdamien sc->cmd.type = htole32(type); 1493145247Sdamien sc->cmd.subtype = 0; 1494145247Sdamien sc->cmd.len = htole32(len); 1495145247Sdamien sc->cmd.seq = 0; 1496152637Sdamien memcpy(sc->cmd.data, data, len); 1497145247Sdamien 1498145247Sdamien sbd->type = IPW_SBD_TYPE_COMMAND; 1499145247Sdamien sbd->bd->physaddr = htole32(physaddr); 1500145247Sdamien sbd->bd->len = htole32(sizeof (struct ipw_cmd)); 1501145247Sdamien sbd->bd->nfrag = 1; 1502145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_COMMAND | 1503145247Sdamien IPW_BD_FLAG_TX_LAST_FRAGMENT; 1504145247Sdamien 1505145247Sdamien bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map, BUS_DMASYNC_PREWRITE); 1506145247Sdamien bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE); 1507145247Sdamien 1508172567Sthompsa#ifdef IPW_DEBUG 1509172567Sthompsa if (ipw_debug >= 4) { 1510172567Sthompsa printf("sending %s(%u, %u, %u, %u)", ipw_cmdname(type), type, 1511172567Sthompsa 0, 0, len); 1512172567Sthompsa /* Print the data buffer in the higher debug level */ 1513172567Sthompsa if (ipw_debug >= 9 && len > 0) { 1514172567Sthompsa printf(" data: 0x"); 1515172567Sthompsa for (int i = 1; i <= len; i++) 1516174269Swkoszek printf("%1D", (u_char *)data + len - i, ""); 1517172567Sthompsa } 1518172567Sthompsa printf("\n"); 1519172567Sthompsa } 1520172567Sthompsa#endif 1521145247Sdamien 1522145247Sdamien /* kick firmware */ 1523145247Sdamien sc->txfree--; 1524145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1525145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 1526145247Sdamien 1527145247Sdamien /* wait at most one second for command to complete */ 1528172567Sthompsa error = msleep(sc, &sc->sc_mtx, 0, "ipwcmd", hz); 1529172567Sthompsa if (error != 0) { 1530172567Sthompsa device_printf(sc->sc_dev, "%s: %s failed, timeout (error %u)\n", 1531172567Sthompsa __func__, ipw_cmdname(type), error); 1532172567Sthompsa sc->flags &= ~IPW_FLAG_BUSY; 1533172567Sthompsa return (error); 1534172567Sthompsa } 1535172567Sthompsa return (0); 1536145247Sdamien} 1537145247Sdamien 1538145247Sdamienstatic int 1539287197Sglebiusipw_tx_start(struct ipw_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 1540145247Sdamien{ 1541287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1542192468Ssam struct ieee80211vap *vap = ni->ni_vap; 1543145247Sdamien struct ieee80211_frame *wh; 1544145247Sdamien struct ipw_soft_bd *sbd; 1545145247Sdamien struct ipw_soft_hdr *shdr; 1546145247Sdamien struct ipw_soft_buf *sbuf; 1547145247Sdamien struct ieee80211_key *k; 1548145247Sdamien struct mbuf *mnew; 1549145247Sdamien bus_dma_segment_t segs[IPW_MAX_NSEG]; 1550145247Sdamien bus_addr_t physaddr; 1551145247Sdamien int nsegs, error, i; 1552145247Sdamien 1553145247Sdamien wh = mtod(m0, struct ieee80211_frame *); 1554145247Sdamien 1555260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 1556178354Ssam k = ieee80211_crypto_encap(ni, m0); 1557147806Ssam if (k == NULL) { 1558147806Ssam m_freem(m0); 1559145247Sdamien return ENOBUFS; 1560147806Ssam } 1561145247Sdamien /* packet header may have moved, reset our local pointer */ 1562145247Sdamien wh = mtod(m0, struct ieee80211_frame *); 1563145247Sdamien } 1564145247Sdamien 1565192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 1566145247Sdamien struct ipw_tx_radiotap_header *tap = &sc->sc_txtap; 1567145247Sdamien 1568145247Sdamien tap->wt_flags = 0; 1569145247Sdamien 1570192468Ssam ieee80211_radiotap_tx(vap, m0); 1571145247Sdamien } 1572145247Sdamien 1573145247Sdamien shdr = SLIST_FIRST(&sc->free_shdr); 1574145247Sdamien sbuf = SLIST_FIRST(&sc->free_sbuf); 1575145247Sdamien KASSERT(shdr != NULL && sbuf != NULL, ("empty sw hdr/buf pool")); 1576145247Sdamien 1577145247Sdamien shdr->hdr.type = htole32(IPW_HDR_TYPE_SEND); 1578145247Sdamien shdr->hdr.subtype = 0; 1579260444Skevlo shdr->hdr.encrypted = (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) ? 1 : 0; 1580145247Sdamien shdr->hdr.encrypt = 0; 1581145247Sdamien shdr->hdr.keyidx = 0; 1582145247Sdamien shdr->hdr.keysz = 0; 1583145247Sdamien shdr->hdr.fragmentsz = 0; 1584145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.src_addr, wh->i_addr2); 1585145247Sdamien if (ic->ic_opmode == IEEE80211_M_STA) 1586145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr3); 1587145247Sdamien else 1588145247Sdamien IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr1); 1589145247Sdamien 1590145247Sdamien /* trim IEEE802.11 header */ 1591145247Sdamien m_adj(m0, sizeof (struct ieee80211_frame)); 1592145247Sdamien 1593145247Sdamien error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0, segs, 1594145247Sdamien &nsegs, 0); 1595145247Sdamien if (error != 0 && error != EFBIG) { 1596145247Sdamien device_printf(sc->sc_dev, "could not map mbuf (error %d)\n", 1597145247Sdamien error); 1598145247Sdamien m_freem(m0); 1599145247Sdamien return error; 1600145247Sdamien } 1601145247Sdamien if (error != 0) { 1602243857Sglebius mnew = m_defrag(m0, M_NOWAIT); 1603145247Sdamien if (mnew == NULL) { 1604145247Sdamien device_printf(sc->sc_dev, 1605145247Sdamien "could not defragment mbuf\n"); 1606145247Sdamien m_freem(m0); 1607145247Sdamien return ENOBUFS; 1608145247Sdamien } 1609145247Sdamien m0 = mnew; 1610145247Sdamien 1611145247Sdamien error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0, 1612145247Sdamien segs, &nsegs, 0); 1613145247Sdamien if (error != 0) { 1614145247Sdamien device_printf(sc->sc_dev, 1615145247Sdamien "could not map mbuf (error %d)\n", error); 1616145247Sdamien m_freem(m0); 1617145247Sdamien return error; 1618145247Sdamien } 1619145247Sdamien } 1620145247Sdamien 1621145247Sdamien error = bus_dmamap_load(sc->hdr_dmat, shdr->map, &shdr->hdr, 1622145247Sdamien sizeof (struct ipw_hdr), ipw_dma_map_addr, &physaddr, 0); 1623145247Sdamien if (error != 0) { 1624145247Sdamien device_printf(sc->sc_dev, "could not map header DMA memory\n"); 1625145247Sdamien bus_dmamap_unload(sc->txbuf_dmat, sbuf->map); 1626145247Sdamien m_freem(m0); 1627145247Sdamien return error; 1628145247Sdamien } 1629145247Sdamien 1630145247Sdamien SLIST_REMOVE_HEAD(&sc->free_sbuf, next); 1631145247Sdamien SLIST_REMOVE_HEAD(&sc->free_shdr, next); 1632145247Sdamien 1633145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1634145247Sdamien sbd->type = IPW_SBD_TYPE_HEADER; 1635145247Sdamien sbd->priv = shdr; 1636145247Sdamien sbd->bd->physaddr = htole32(physaddr); 1637145247Sdamien sbd->bd->len = htole32(sizeof (struct ipw_hdr)); 1638145247Sdamien sbd->bd->nfrag = 1 + nsegs; 1639145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3 | 1640145247Sdamien IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT; 1641145247Sdamien 1642145247Sdamien DPRINTFN(5, ("sending tx hdr (%u, %u, %u, %u, %6D, %6D)\n", 1643145247Sdamien shdr->hdr.type, shdr->hdr.subtype, shdr->hdr.encrypted, 1644145247Sdamien shdr->hdr.encrypt, shdr->hdr.src_addr, ":", shdr->hdr.dst_addr, 1645145247Sdamien ":")); 1646145247Sdamien 1647145247Sdamien sc->txfree--; 1648145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1649145247Sdamien 1650145247Sdamien sbuf->m = m0; 1651145247Sdamien sbuf->ni = ni; 1652145247Sdamien 1653145247Sdamien for (i = 0; i < nsegs; i++) { 1654145247Sdamien sbd = &sc->stbd_list[sc->txcur]; 1655145247Sdamien 1656145247Sdamien sbd->bd->physaddr = htole32(segs[i].ds_addr); 1657145247Sdamien sbd->bd->len = htole32(segs[i].ds_len); 1658145247Sdamien sbd->bd->nfrag = 0; 1659145247Sdamien sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3; 1660145247Sdamien if (i == nsegs - 1) { 1661145247Sdamien sbd->type = IPW_SBD_TYPE_DATA; 1662145247Sdamien sbd->priv = sbuf; 1663145247Sdamien sbd->bd->flags |= IPW_BD_FLAG_TX_LAST_FRAGMENT; 1664145247Sdamien } else { 1665145247Sdamien sbd->type = IPW_SBD_TYPE_NOASSOC; 1666145247Sdamien sbd->bd->flags |= IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT; 1667145247Sdamien } 1668145247Sdamien 1669172574Sthompsa DPRINTFN(5, ("sending fragment (%d)\n", i)); 1670145247Sdamien 1671145247Sdamien sc->txfree--; 1672145247Sdamien sc->txcur = (sc->txcur + 1) % IPW_NTBD; 1673145247Sdamien } 1674145247Sdamien 1675145247Sdamien bus_dmamap_sync(sc->hdr_dmat, shdr->map, BUS_DMASYNC_PREWRITE); 1676145247Sdamien bus_dmamap_sync(sc->txbuf_dmat, sbuf->map, BUS_DMASYNC_PREWRITE); 1677145247Sdamien bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE); 1678145247Sdamien 1679145247Sdamien /* kick firmware */ 1680145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 1681145247Sdamien 1682145247Sdamien return 0; 1683145247Sdamien} 1684145247Sdamien 1685178354Ssamstatic int 1686178354Ssamipw_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 1687178354Ssam const struct ieee80211_bpf_params *params) 1688178354Ssam{ 1689178354Ssam /* no support; just discard */ 1690178354Ssam m_freem(m); 1691178354Ssam ieee80211_free_node(ni); 1692178354Ssam return 0; 1693178354Ssam} 1694178354Ssam 1695287197Sglebiusstatic int 1696287197Sglebiusipw_transmit(struct ieee80211com *ic, struct mbuf *m) 1697145247Sdamien{ 1698287197Sglebius struct ipw_softc *sc = ic->ic_softc; 1699287197Sglebius int error; 1700172567Sthompsa 1701172567Sthompsa IPW_LOCK(sc); 1702287197Sglebius if ((sc->flags & IPW_FLAG_RUNNING) == 0) { 1703287197Sglebius IPW_UNLOCK(sc); 1704287197Sglebius return (ENXIO); 1705287197Sglebius } 1706287197Sglebius error = mbufq_enqueue(&sc->sc_snd, m); 1707287197Sglebius if (error) { 1708287197Sglebius IPW_UNLOCK(sc); 1709287197Sglebius return (error); 1710287197Sglebius } 1711287197Sglebius ipw_start(sc); 1712172567Sthompsa IPW_UNLOCK(sc); 1713287197Sglebius return (0); 1714172567Sthompsa} 1715172567Sthompsa 1716172567Sthompsastatic void 1717287197Sglebiusipw_start(struct ipw_softc *sc) 1718172567Sthompsa{ 1719145247Sdamien struct ieee80211_node *ni; 1720178354Ssam struct mbuf *m; 1721145247Sdamien 1722172567Sthompsa IPW_LOCK_ASSERT(sc); 1723145247Sdamien 1724287197Sglebius while (sc->txfree < 1 + IPW_MAX_NSEG && 1725287197Sglebius (m = mbufq_dequeue(&sc->sc_snd)) != NULL) { 1726178354Ssam ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; 1727287197Sglebius if (ipw_tx_start(sc, m, ni) != 0) { 1728287197Sglebius if_inc_counter(ni->ni_vap->iv_ifp, 1729287197Sglebius IFCOUNTER_OERRORS, 1); 1730145247Sdamien ieee80211_free_node(ni); 1731145247Sdamien break; 1732145247Sdamien } 1733145247Sdamien /* start watchdog timer */ 1734145247Sdamien sc->sc_tx_timer = 5; 1735145247Sdamien } 1736145247Sdamien} 1737145247Sdamien 1738145247Sdamienstatic void 1739172567Sthompsaipw_watchdog(void *arg) 1740145247Sdamien{ 1741172567Sthompsa struct ipw_softc *sc = arg; 1742287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1743145247Sdamien 1744172567Sthompsa IPW_LOCK_ASSERT(sc); 1745156599Sdamien 1746145247Sdamien if (sc->sc_tx_timer > 0) { 1747145247Sdamien if (--sc->sc_tx_timer == 0) { 1748287197Sglebius device_printf(sc->sc_dev, "device timeout\n"); 1749287197Sglebius counter_u64_add(ic->ic_oerrors, 1); 1750178354Ssam taskqueue_enqueue(taskqueue_swi, &sc->sc_init_task); 1751145247Sdamien } 1752145247Sdamien } 1753172567Sthompsa if (sc->sc_scan_timer > 0) { 1754172567Sthompsa if (--sc->sc_scan_timer == 0) { 1755172567Sthompsa DPRINTFN(3, ("Scan timeout\n")); 1756172567Sthompsa /* End the scan */ 1757172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) { 1758206767Sbschmidt IPW_UNLOCK(sc); 1759178354Ssam ieee80211_scan_done(TAILQ_FIRST(&ic->ic_vaps)); 1760206767Sbschmidt IPW_LOCK(sc); 1761172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 1762172567Sthompsa } 1763172567Sthompsa } 1764172567Sthompsa } 1765287197Sglebius if (sc->flags & IPW_FLAG_RUNNING) 1766172567Sthompsa callout_reset(&sc->sc_wdtimer, hz, ipw_watchdog, sc); 1767145247Sdamien} 1768145247Sdamien 1769287197Sglebiusstatic void 1770287197Sglebiusipw_parent(struct ieee80211com *ic) 1771145247Sdamien{ 1772287197Sglebius struct ipw_softc *sc = ic->ic_softc; 1773287197Sglebius int startall = 0; 1774145247Sdamien 1775287197Sglebius IPW_LOCK(sc); 1776287197Sglebius if (ic->ic_nrunning > 0) { 1777287197Sglebius if (!(sc->flags & IPW_FLAG_RUNNING)) { 1778287197Sglebius ipw_init_locked(sc); 1779287197Sglebius startall = 1; 1780145247Sdamien } 1781287197Sglebius } else if (sc->flags & IPW_FLAG_RUNNING) 1782287197Sglebius ipw_stop_locked(sc); 1783287197Sglebius IPW_UNLOCK(sc); 1784287197Sglebius if (startall) 1785287197Sglebius ieee80211_start_all(ic); 1786145247Sdamien} 1787145247Sdamien 1788145247Sdamienstatic void 1789145247Sdamienipw_stop_master(struct ipw_softc *sc) 1790145247Sdamien{ 1791156599Sdamien uint32_t tmp; 1792145247Sdamien int ntries; 1793145247Sdamien 1794145247Sdamien /* disable interrupts */ 1795145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0); 1796145247Sdamien 1797145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_STOP_MASTER); 1798145247Sdamien for (ntries = 0; ntries < 50; ntries++) { 1799145247Sdamien if (CSR_READ_4(sc, IPW_CSR_RST) & IPW_RST_MASTER_DISABLED) 1800145247Sdamien break; 1801145247Sdamien DELAY(10); 1802145247Sdamien } 1803145247Sdamien if (ntries == 50) 1804145247Sdamien device_printf(sc->sc_dev, "timeout waiting for master\n"); 1805145247Sdamien 1806156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_RST); 1807156599Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_PRINCETON_RESET); 1808145247Sdamien 1809172567Sthompsa /* Clear all flags except the following */ 1810172567Sthompsa sc->flags &= IPW_FLAG_HAS_RADIO_SWITCH; 1811145247Sdamien} 1812145247Sdamien 1813145247Sdamienstatic int 1814145247Sdamienipw_reset(struct ipw_softc *sc) 1815145247Sdamien{ 1816156599Sdamien uint32_t tmp; 1817145247Sdamien int ntries; 1818145247Sdamien 1819145247Sdamien ipw_stop_master(sc); 1820145247Sdamien 1821145247Sdamien /* move adapter to D0 state */ 1822156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1823156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_INIT); 1824145247Sdamien 1825145247Sdamien /* wait for clock stabilization */ 1826145247Sdamien for (ntries = 0; ntries < 1000; ntries++) { 1827145247Sdamien if (CSR_READ_4(sc, IPW_CSR_CTL) & IPW_CTL_CLOCK_READY) 1828145247Sdamien break; 1829145247Sdamien DELAY(200); 1830145247Sdamien } 1831145247Sdamien if (ntries == 1000) 1832145247Sdamien return EIO; 1833145247Sdamien 1834156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_RST); 1835156599Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_SW_RESET); 1836145247Sdamien 1837145247Sdamien DELAY(10); 1838145247Sdamien 1839156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1840156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_INIT); 1841145247Sdamien 1842145247Sdamien return 0; 1843145247Sdamien} 1844145247Sdamien 1845172567Sthompsastatic int 1846172567Sthompsaipw_waitfordisable(struct ipw_softc *sc, int waitfor) 1847172567Sthompsa{ 1848172567Sthompsa int ms = hz < 1000 ? 1 : hz/10; 1849172567Sthompsa int i, error; 1850172567Sthompsa 1851172567Sthompsa for (i = 0; i < 100; i++) { 1852172567Sthompsa if (ipw_read_table1(sc, IPW_INFO_CARD_DISABLED) == waitfor) 1853172567Sthompsa return 0; 1854172567Sthompsa error = msleep(sc, &sc->sc_mtx, PCATCH, __func__, ms); 1855172567Sthompsa if (error == 0 || error != EWOULDBLOCK) 1856172567Sthompsa return 0; 1857172567Sthompsa } 1858172567Sthompsa DPRINTF(("%s: timeout waiting for %s\n", 1859172567Sthompsa __func__, waitfor ? "disable" : "enable")); 1860172567Sthompsa return ETIMEDOUT; 1861172567Sthompsa} 1862172567Sthompsa 1863172567Sthompsastatic int 1864172567Sthompsaipw_enable(struct ipw_softc *sc) 1865172567Sthompsa{ 1866172567Sthompsa int error; 1867172567Sthompsa 1868172567Sthompsa if ((sc->flags & IPW_FLAG_ENABLED) == 0) { 1869172567Sthompsa DPRINTF(("Enable adapter\n")); 1870172567Sthompsa error = ipw_cmd(sc, IPW_CMD_ENABLE, NULL, 0); 1871172567Sthompsa if (error != 0) 1872172567Sthompsa return error; 1873172567Sthompsa error = ipw_waitfordisable(sc, 0); 1874172567Sthompsa if (error != 0) 1875172567Sthompsa return error; 1876172567Sthompsa sc->flags |= IPW_FLAG_ENABLED; 1877172567Sthompsa } 1878172567Sthompsa return 0; 1879172567Sthompsa} 1880172567Sthompsa 1881172567Sthompsastatic int 1882172567Sthompsaipw_disable(struct ipw_softc *sc) 1883172567Sthompsa{ 1884172567Sthompsa int error; 1885172567Sthompsa 1886172567Sthompsa if (sc->flags & IPW_FLAG_ENABLED) { 1887172567Sthompsa DPRINTF(("Disable adapter\n")); 1888172567Sthompsa error = ipw_cmd(sc, IPW_CMD_DISABLE, NULL, 0); 1889172567Sthompsa if (error != 0) 1890172567Sthompsa return error; 1891172567Sthompsa error = ipw_waitfordisable(sc, 1); 1892172567Sthompsa if (error != 0) 1893172567Sthompsa return error; 1894172567Sthompsa sc->flags &= ~IPW_FLAG_ENABLED; 1895172567Sthompsa } 1896172567Sthompsa return 0; 1897172567Sthompsa} 1898172567Sthompsa 1899145247Sdamien/* 1900145247Sdamien * Upload the microcode to the device. 1901145247Sdamien */ 1902145247Sdamienstatic int 1903156599Sdamienipw_load_ucode(struct ipw_softc *sc, const char *uc, int size) 1904145247Sdamien{ 1905145247Sdamien int ntries; 1906145247Sdamien 1907145247Sdamien MEM_WRITE_4(sc, 0x3000e0, 0x80000000); 1908145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, 0); 1909145247Sdamien 1910145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0703); 1911145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0707); 1912145247Sdamien 1913145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1914145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1915145247Sdamien 1916145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x40); 1917145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1918145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x40); 1919145247Sdamien 1920145247Sdamien MEM_WRITE_MULTI_1(sc, 0x210010, uc, size); 1921145247Sdamien 1922145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1923145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1924145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x80); 1925145247Sdamien 1926145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0703); 1927145247Sdamien MEM_WRITE_2(sc, 0x220000, 0x0707); 1928145247Sdamien 1929145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1930145247Sdamien MEM_WRITE_1(sc, 0x210014, 0x72); 1931145247Sdamien 1932145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x00); 1933145247Sdamien MEM_WRITE_1(sc, 0x210000, 0x80); 1934145247Sdamien 1935145247Sdamien for (ntries = 0; ntries < 10; ntries++) { 1936145247Sdamien if (MEM_READ_1(sc, 0x210000) & 1) 1937145247Sdamien break; 1938145247Sdamien DELAY(10); 1939145247Sdamien } 1940145247Sdamien if (ntries == 10) { 1941145247Sdamien device_printf(sc->sc_dev, 1942145247Sdamien "timeout waiting for ucode to initialize\n"); 1943145247Sdamien return EIO; 1944145247Sdamien } 1945145247Sdamien 1946145247Sdamien MEM_WRITE_4(sc, 0x3000e0, 0); 1947145247Sdamien 1948145247Sdamien return 0; 1949145247Sdamien} 1950145247Sdamien 1951145247Sdamien/* set of macros to handle unaligned little endian data in firmware image */ 1952145247Sdamien#define GETLE32(p) ((p)[0] | (p)[1] << 8 | (p)[2] << 16 | (p)[3] << 24) 1953145247Sdamien#define GETLE16(p) ((p)[0] | (p)[1] << 8) 1954145247Sdamienstatic int 1955156599Sdamienipw_load_firmware(struct ipw_softc *sc, const char *fw, int size) 1956145247Sdamien{ 1957156599Sdamien const uint8_t *p, *end; 1958156599Sdamien uint32_t tmp, dst; 1959145247Sdamien uint16_t len; 1960145247Sdamien int error; 1961145247Sdamien 1962145247Sdamien p = fw; 1963145247Sdamien end = fw + size; 1964145247Sdamien while (p < end) { 1965145247Sdamien dst = GETLE32(p); p += 4; 1966145247Sdamien len = GETLE16(p); p += 2; 1967145247Sdamien 1968145247Sdamien ipw_write_mem_1(sc, dst, p, len); 1969145247Sdamien p += len; 1970145247Sdamien } 1971145247Sdamien 1972145247Sdamien CSR_WRITE_4(sc, IPW_CSR_IO, IPW_IO_GPIO1_ENABLE | IPW_IO_GPIO3_MASK | 1973145247Sdamien IPW_IO_LED_OFF); 1974145247Sdamien 1975145247Sdamien /* enable interrupts */ 1976145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK); 1977145247Sdamien 1978145247Sdamien /* kick the firmware */ 1979145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, 0); 1980145247Sdamien 1981156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_CTL); 1982156599Sdamien CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_ALLOW_STANDBY); 1983145247Sdamien 1984145247Sdamien /* wait at most one second for firmware initialization to complete */ 1985145247Sdamien if ((error = msleep(sc, &sc->sc_mtx, 0, "ipwinit", hz)) != 0) { 1986145247Sdamien device_printf(sc->sc_dev, "timeout waiting for firmware " 1987145247Sdamien "initialization to complete\n"); 1988145247Sdamien return error; 1989145247Sdamien } 1990145247Sdamien 1991156599Sdamien tmp = CSR_READ_4(sc, IPW_CSR_IO); 1992156599Sdamien CSR_WRITE_4(sc, IPW_CSR_IO, tmp | IPW_IO_GPIO1_MASK | 1993156599Sdamien IPW_IO_GPIO3_MASK); 1994145247Sdamien 1995145247Sdamien return 0; 1996145247Sdamien} 1997145247Sdamien 1998145247Sdamienstatic int 1999172567Sthompsaipw_setwepkeys(struct ipw_softc *sc) 2000172567Sthompsa{ 2001287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 2002178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2003172567Sthompsa struct ipw_wep_key wepkey; 2004172567Sthompsa struct ieee80211_key *wk; 2005172567Sthompsa int error, i; 2006172567Sthompsa 2007172567Sthompsa for (i = 0; i < IEEE80211_WEP_NKID; i++) { 2008178354Ssam wk = &vap->iv_nw_keys[i]; 2009172567Sthompsa 2010172567Sthompsa if (wk->wk_cipher == NULL || 2011172567Sthompsa wk->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP) 2012172567Sthompsa continue; 2013172567Sthompsa 2014172567Sthompsa wepkey.idx = i; 2015172567Sthompsa wepkey.len = wk->wk_keylen; 2016172567Sthompsa memset(wepkey.key, 0, sizeof wepkey.key); 2017172567Sthompsa memcpy(wepkey.key, wk->wk_key, wk->wk_keylen); 2018172567Sthompsa DPRINTF(("Setting wep key index %u len %u\n", wepkey.idx, 2019172567Sthompsa wepkey.len)); 2020172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY, &wepkey, 2021172567Sthompsa sizeof wepkey); 2022172567Sthompsa if (error != 0) 2023172567Sthompsa return error; 2024172567Sthompsa } 2025172567Sthompsa return 0; 2026172567Sthompsa} 2027172567Sthompsa 2028172567Sthompsastatic int 2029172567Sthompsaipw_setwpaie(struct ipw_softc *sc, const void *ie, int ielen) 2030172567Sthompsa{ 2031172567Sthompsa struct ipw_wpa_ie wpaie; 2032172567Sthompsa 2033172567Sthompsa memset(&wpaie, 0, sizeof(wpaie)); 2034172567Sthompsa wpaie.len = htole32(ielen); 2035172567Sthompsa /* XXX verify length */ 2036172567Sthompsa memcpy(&wpaie.ie, ie, ielen); 2037172567Sthompsa DPRINTF(("Setting WPA IE\n")); 2038172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_WPA_IE, &wpaie, sizeof(wpaie)); 2039172567Sthompsa} 2040172567Sthompsa 2041172567Sthompsastatic int 2042172567Sthompsaipw_setbssid(struct ipw_softc *sc, uint8_t *bssid) 2043172567Sthompsa{ 2044172567Sthompsa static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 2045172567Sthompsa 2046172567Sthompsa if (bssid == NULL || bcmp(bssid, zerobssid, IEEE80211_ADDR_LEN) == 0) { 2047172567Sthompsa DPRINTF(("Setting mandatory BSSID to null\n")); 2048172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID, NULL, 0); 2049172567Sthompsa } else { 2050172567Sthompsa DPRINTF(("Setting mandatory BSSID to %6D\n", bssid, ":")); 2051172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID, 2052172567Sthompsa bssid, IEEE80211_ADDR_LEN); 2053172567Sthompsa } 2054172567Sthompsa} 2055172567Sthompsa 2056172567Sthompsastatic int 2057172567Sthompsaipw_setssid(struct ipw_softc *sc, void *ssid, size_t ssidlen) 2058172567Sthompsa{ 2059172567Sthompsa if (ssidlen == 0) { 2060172567Sthompsa /* 2061172567Sthompsa * A bug in the firmware breaks the ``don't associate'' 2062172567Sthompsa * bit in the scan options command. To compensate for 2063172567Sthompsa * this install a bogus ssid when no ssid is specified 2064172567Sthompsa * so the firmware won't try to associate. 2065172567Sthompsa */ 2066172567Sthompsa DPRINTF(("Setting bogus ESSID to WAR firmware bug\n")); 2067172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_ESSID, 2068172567Sthompsa "\x18\x19\x20\x21\x22\x23\x24\x25\x26\x27" 2069172567Sthompsa "\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f\x30\x31" 2070172567Sthompsa "\x32\x33\x34\x35\x36\x37\x38\x39\x3a\x3b" 2071172567Sthompsa "\x3c\x3d", IEEE80211_NWID_LEN); 2072172567Sthompsa } else { 2073172567Sthompsa#ifdef IPW_DEBUG 2074172567Sthompsa if (ipw_debug > 0) { 2075172567Sthompsa printf("Setting ESSID to "); 2076172567Sthompsa ieee80211_print_essid(ssid, ssidlen); 2077172567Sthompsa printf("\n"); 2078172567Sthompsa } 2079172567Sthompsa#endif 2080172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_ESSID, ssid, ssidlen); 2081172567Sthompsa } 2082172567Sthompsa} 2083172567Sthompsa 2084172567Sthompsastatic int 2085172567Sthompsaipw_setscanopts(struct ipw_softc *sc, uint32_t chanmask, uint32_t flags) 2086172567Sthompsa{ 2087172567Sthompsa struct ipw_scan_options opts; 2088172567Sthompsa 2089172567Sthompsa DPRINTF(("Scan options: mask 0x%x flags 0x%x\n", chanmask, flags)); 2090172567Sthompsa opts.channels = htole32(chanmask); 2091172567Sthompsa opts.flags = htole32(flags); 2092172567Sthompsa return ipw_cmd(sc, IPW_CMD_SET_SCAN_OPTIONS, &opts, sizeof(opts)); 2093172567Sthompsa} 2094172567Sthompsa 2095172567Sthompsastatic int 2096172567Sthompsaipw_scan(struct ipw_softc *sc) 2097172567Sthompsa{ 2098172567Sthompsa uint32_t params; 2099172567Sthompsa int error; 2100172567Sthompsa 2101172567Sthompsa DPRINTF(("%s: flags 0x%x\n", __func__, sc->flags)); 2102172567Sthompsa 2103172567Sthompsa if (sc->flags & IPW_FLAG_SCANNING) 2104172567Sthompsa return (EBUSY); 2105172567Sthompsa sc->flags |= IPW_FLAG_SCANNING | IPW_FLAG_HACK; 2106172567Sthompsa 2107172567Sthompsa /* NB: IPW_SCAN_DO_NOT_ASSOCIATE does not work (we set it anyway) */ 2108172567Sthompsa error = ipw_setscanopts(sc, 0x3fff, IPW_SCAN_DO_NOT_ASSOCIATE); 2109172567Sthompsa if (error != 0) 2110172567Sthompsa goto done; 2111172567Sthompsa 2112172567Sthompsa /* 2113172567Sthompsa * Setup null/bogus ssid so firmware doesn't use any previous 2114172567Sthompsa * ssid to try and associate. This is because the ``don't 2115172567Sthompsa * associate'' option bit is broken (sigh). 2116172567Sthompsa */ 2117172567Sthompsa error = ipw_setssid(sc, NULL, 0); 2118172567Sthompsa if (error != 0) 2119172567Sthompsa goto done; 2120172567Sthompsa 2121172567Sthompsa /* 2122172567Sthompsa * NB: the adapter may be disabled on association lost; 2123172567Sthompsa * if so just re-enable it to kick off scanning. 2124172567Sthompsa */ 2125172567Sthompsa DPRINTF(("Starting scan\n")); 2126172567Sthompsa sc->sc_scan_timer = 3; 2127172567Sthompsa if (sc->flags & IPW_FLAG_ENABLED) { 2128172567Sthompsa params = 0; /* XXX? */ 2129172567Sthompsa error = ipw_cmd(sc, IPW_CMD_BROADCAST_SCAN, 2130172567Sthompsa ¶ms, sizeof(params)); 2131172567Sthompsa } else 2132172567Sthompsa error = ipw_enable(sc); 2133172567Sthompsadone: 2134172567Sthompsa if (error != 0) { 2135172567Sthompsa DPRINTF(("Scan failed\n")); 2136172567Sthompsa sc->flags &= ~(IPW_FLAG_SCANNING | IPW_FLAG_HACK); 2137172567Sthompsa } 2138172567Sthompsa return (error); 2139172567Sthompsa} 2140172567Sthompsa 2141172567Sthompsastatic int 2142172567Sthompsaipw_setchannel(struct ipw_softc *sc, struct ieee80211_channel *chan) 2143172567Sthompsa{ 2144287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 2145172567Sthompsa uint32_t data; 2146172567Sthompsa int error; 2147172567Sthompsa 2148172567Sthompsa data = htole32(ieee80211_chan2ieee(ic, chan)); 2149172567Sthompsa DPRINTF(("Setting channel to %u\n", le32toh(data))); 2150172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_CHANNEL, &data, sizeof data); 2151172567Sthompsa if (error == 0) 2152172567Sthompsa ipw_setcurchan(sc, chan); 2153172567Sthompsa return error; 2154172567Sthompsa} 2155172567Sthompsa 2156178354Ssamstatic void 2157191746Sthompsaipw_assoc(struct ieee80211com *ic, struct ieee80211vap *vap) 2158145247Sdamien{ 2159286865Sadrian struct ipw_softc *sc = ic->ic_softc; 2160178354Ssam struct ieee80211_node *ni = vap->iv_bss; 2161145247Sdamien struct ipw_security security; 2162145247Sdamien uint32_t data; 2163172567Sthompsa int error; 2164145247Sdamien 2165178354Ssam IPW_LOCK(sc); 2166172567Sthompsa error = ipw_disable(sc); 2167172567Sthompsa if (error != 0) 2168178354Ssam goto done; 2169172567Sthompsa 2170152637Sdamien memset(&security, 0, sizeof security); 2171178354Ssam security.authmode = (ni->ni_authmode == IEEE80211_AUTH_SHARED) ? 2172145247Sdamien IPW_AUTH_SHARED : IPW_AUTH_OPEN; 2173145247Sdamien security.ciphers = htole32(IPW_CIPHER_NONE); 2174145247Sdamien DPRINTF(("Setting authmode to %u\n", security.authmode)); 2175172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_SECURITY_INFO, &security, 2176145247Sdamien sizeof security); 2177145247Sdamien if (error != 0) 2178178354Ssam goto done; 2179145247Sdamien 2180178354Ssam data = htole32(vap->iv_rtsthreshold); 2181178354Ssam DPRINTF(("Setting RTS threshold to %u\n", le32toh(data))); 2182178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_RTS_THRESHOLD, &data, sizeof data); 2183145247Sdamien if (error != 0) 2184178354Ssam goto done; 2185145247Sdamien 2186178354Ssam data = htole32(vap->iv_fragthreshold); 2187178354Ssam DPRINTF(("Setting frag threshold to %u\n", le32toh(data))); 2188178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_FRAG_THRESHOLD, &data, sizeof data); 2189145247Sdamien if (error != 0) 2190178354Ssam goto done; 2191145247Sdamien 2192178354Ssam if (vap->iv_flags & IEEE80211_F_PRIVACY) { 2193172567Sthompsa error = ipw_setwepkeys(sc); 2194172567Sthompsa if (error != 0) 2195178354Ssam goto done; 2196172567Sthompsa 2197178354Ssam if (vap->iv_def_txkey != IEEE80211_KEYIX_NONE) { 2198178354Ssam data = htole32(vap->iv_def_txkey); 2199172567Sthompsa DPRINTF(("Setting wep tx key index to %u\n", 2200172567Sthompsa le32toh(data))); 2201172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY_INDEX, &data, 2202172567Sthompsa sizeof data); 2203172567Sthompsa if (error != 0) 2204178354Ssam goto done; 2205172567Sthompsa } 2206172567Sthompsa } 2207172567Sthompsa 2208178354Ssam data = htole32((vap->iv_flags & IEEE80211_F_PRIVACY) ? IPW_WEPON : 0); 2209172567Sthompsa DPRINTF(("Setting wep flags to 0x%x\n", le32toh(data))); 2210172567Sthompsa error = ipw_cmd(sc, IPW_CMD_SET_WEP_FLAGS, &data, sizeof data); 2211172567Sthompsa if (error != 0) 2212178354Ssam goto done; 2213172567Sthompsa 2214172567Sthompsa error = ipw_setssid(sc, ni->ni_essid, ni->ni_esslen); 2215172567Sthompsa if (error != 0) 2216178354Ssam goto done; 2217172567Sthompsa 2218172567Sthompsa error = ipw_setbssid(sc, ni->ni_bssid); 2219172567Sthompsa if (error != 0) 2220178354Ssam goto done; 2221172567Sthompsa 2222206766Sbschmidt if (vap->iv_appie_wpa != NULL) { 2223206766Sbschmidt struct ieee80211_appie *ie = vap->iv_appie_wpa; 2224178354Ssam error = ipw_setwpaie(sc, ie->ie_data, ie->ie_len); 2225172567Sthompsa if (error != 0) 2226178354Ssam goto done; 2227172567Sthompsa } 2228172567Sthompsa if (ic->ic_opmode == IEEE80211_M_IBSS) { 2229172567Sthompsa error = ipw_setchannel(sc, ni->ni_chan); 2230172567Sthompsa if (error != 0) 2231178354Ssam goto done; 2232172567Sthompsa } 2233172567Sthompsa 2234172567Sthompsa /* lock scan to ap's channel and enable associate */ 2235172567Sthompsa error = ipw_setscanopts(sc, 2236178354Ssam 1<<(ieee80211_chan2ieee(ic, ni->ni_chan)-1), 0); 2237178354Ssam if (error != 0) 2238178354Ssam goto done; 2239172567Sthompsa 2240178354Ssam error = ipw_enable(sc); /* finally, enable adapter */ 2241178354Ssam if (error == 0) 2242178354Ssam sc->flags |= IPW_FLAG_ASSOCIATING; 2243178354Ssamdone: 2244178354Ssam IPW_UNLOCK(sc); 2245172567Sthompsa} 2246172567Sthompsa 2247172567Sthompsastatic void 2248191746Sthompsaipw_disassoc(struct ieee80211com *ic, struct ieee80211vap *vap) 2249172567Sthompsa{ 2250178354Ssam struct ieee80211_node *ni = vap->iv_bss; 2251286865Sadrian struct ipw_softc *sc = ic->ic_softc; 2252172567Sthompsa 2253172567Sthompsa IPW_LOCK(sc); 2254172567Sthompsa DPRINTF(("Disassociate from %6D\n", ni->ni_bssid, ":")); 2255172567Sthompsa /* 2256172567Sthompsa * NB: don't try to do this if ipw_stop_master has 2257172567Sthompsa * shutdown the firmware and disabled interrupts. 2258172567Sthompsa */ 2259178354Ssam if (sc->flags & IPW_FLAG_FW_INITED) { 2260178354Ssam sc->flags &= ~IPW_FLAG_ASSOCIATED; 2261178354Ssam /* 2262178354Ssam * NB: firmware currently ignores bssid parameter, but 2263178354Ssam * supply it in case this changes (follow linux driver). 2264178354Ssam */ 2265178354Ssam (void) ipw_cmd(sc, IPW_CMD_DISASSOCIATE, 2266178354Ssam ni->ni_bssid, IEEE80211_ADDR_LEN); 2267178354Ssam } 2268178354Ssam IPW_UNLOCK(sc); 2269172567Sthompsa} 2270172567Sthompsa 2271172567Sthompsa/* 2272156599Sdamien * Handler for sc_init_task. This is a simple wrapper around ipw_init(). 2273156599Sdamien * It is called on firmware panics or on watchdog timeouts. 2274156599Sdamien */ 2275145247Sdamienstatic void 2276156599Sdamienipw_init_task(void *context, int pending) 2277156599Sdamien{ 2278156599Sdamien ipw_init(context); 2279156599Sdamien} 2280156599Sdamien 2281156599Sdamienstatic void 2282145247Sdamienipw_init(void *priv) 2283145247Sdamien{ 2284145247Sdamien struct ipw_softc *sc = priv; 2285287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 2286172567Sthompsa 2287172567Sthompsa IPW_LOCK(sc); 2288178354Ssam ipw_init_locked(sc); 2289172567Sthompsa IPW_UNLOCK(sc); 2290178354Ssam 2291287197Sglebius if (sc->flags & IPW_FLAG_RUNNING) 2292178931Sthompsa ieee80211_start_all(ic); /* start all vap's */ 2293172567Sthompsa} 2294172567Sthompsa 2295172567Sthompsastatic void 2296178354Ssamipw_init_locked(struct ipw_softc *sc) 2297172567Sthompsa{ 2298287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 2299178354Ssam struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2300166756Sluigi const struct firmware *fp; 2301156599Sdamien const struct ipw_firmware_hdr *hdr; 2302178354Ssam const char *fw; 2303145247Sdamien 2304172567Sthompsa IPW_LOCK_ASSERT(sc); 2305156599Sdamien 2306172567Sthompsa DPRINTF(("%s: state %s flags 0x%x\n", __func__, 2307178354Ssam ieee80211_state_name[vap->iv_state], sc->flags)); 2308172567Sthompsa 2309156599Sdamien /* 2310156599Sdamien * Avoid re-entrant calls. We need to release the mutex in ipw_init() 2311156599Sdamien * when loading the firmware and we don't want to be called during this 2312156599Sdamien * operation. 2313156599Sdamien */ 2314172567Sthompsa if (sc->flags & IPW_FLAG_INIT_LOCKED) 2315145247Sdamien return; 2316156599Sdamien sc->flags |= IPW_FLAG_INIT_LOCKED; 2317145247Sdamien 2318172567Sthompsa ipw_stop_locked(sc); 2319145247Sdamien 2320145247Sdamien if (ipw_reset(sc) != 0) { 2321145247Sdamien device_printf(sc->sc_dev, "could not reset adapter\n"); 2322178354Ssam goto fail; 2323145247Sdamien } 2324145247Sdamien 2325159487Siedowse if (sc->sc_firmware == NULL) { 2326178354Ssam device_printf(sc->sc_dev, "no firmware\n"); 2327178354Ssam goto fail; 2328156599Sdamien } 2329178354Ssam /* NB: consistency already checked on load */ 2330159487Siedowse fp = sc->sc_firmware; 2331156599Sdamien hdr = (const struct ipw_firmware_hdr *)fp->data; 2332156599Sdamien 2333178354Ssam DPRINTF(("Loading firmware image '%s'\n", fp->name)); 2334156599Sdamien fw = (const char *)fp->data + sizeof *hdr + le32toh(hdr->mainsz); 2335156599Sdamien if (ipw_load_ucode(sc, fw, le32toh(hdr->ucodesz)) != 0) { 2336145247Sdamien device_printf(sc->sc_dev, "could not load microcode\n"); 2337178354Ssam goto fail; 2338145247Sdamien } 2339145247Sdamien 2340145247Sdamien ipw_stop_master(sc); 2341145247Sdamien 2342145247Sdamien /* 2343145247Sdamien * Setup tx, rx and status rings. 2344145247Sdamien */ 2345145247Sdamien sc->txold = IPW_NTBD - 1; 2346145247Sdamien sc->txcur = 0; 2347145247Sdamien sc->txfree = IPW_NTBD - 2; 2348145247Sdamien sc->rxcur = IPW_NRBD - 1; 2349145247Sdamien 2350145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_BASE, sc->tbd_phys); 2351145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_SIZE, IPW_NTBD); 2352145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_READ, 0); 2353145247Sdamien CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur); 2354145247Sdamien 2355145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_BASE, sc->rbd_phys); 2356145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_SIZE, IPW_NRBD); 2357145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_READ, 0); 2358145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RX_WRITE, sc->rxcur); 2359145247Sdamien 2360145247Sdamien CSR_WRITE_4(sc, IPW_CSR_STATUS_BASE, sc->status_phys); 2361145247Sdamien 2362156599Sdamien fw = (const char *)fp->data + sizeof *hdr; 2363156599Sdamien if (ipw_load_firmware(sc, fw, le32toh(hdr->mainsz)) != 0) { 2364145247Sdamien device_printf(sc->sc_dev, "could not load firmware\n"); 2365178354Ssam goto fail; 2366145247Sdamien } 2367145247Sdamien 2368145247Sdamien sc->flags |= IPW_FLAG_FW_INITED; 2369145247Sdamien 2370145247Sdamien /* retrieve information tables base addresses */ 2371145247Sdamien sc->table1_base = CSR_READ_4(sc, IPW_CSR_TABLE1_BASE); 2372145247Sdamien sc->table2_base = CSR_READ_4(sc, IPW_CSR_TABLE2_BASE); 2373145247Sdamien 2374145247Sdamien ipw_write_table1(sc, IPW_INFO_LOCK, 0); 2375145247Sdamien 2376145247Sdamien if (ipw_config(sc) != 0) { 2377145247Sdamien device_printf(sc->sc_dev, "device configuration failed\n"); 2378178354Ssam goto fail; 2379145247Sdamien } 2380145247Sdamien 2381172567Sthompsa callout_reset(&sc->sc_wdtimer, hz, ipw_watchdog, sc); 2382287197Sglebius sc->flags |= IPW_FLAG_RUNNING; 2383287197Sglebius sc->flags &= ~IPW_FLAG_INIT_LOCKED; 2384145247Sdamien return; 2385145247Sdamien 2386178354Ssamfail: 2387172567Sthompsa ipw_stop_locked(sc); 2388287197Sglebius sc->flags &= ~IPW_FLAG_INIT_LOCKED; 2389145247Sdamien} 2390145247Sdamien 2391178354Ssamstatic int 2392178354Ssamipw_config(struct ipw_softc *sc) 2393178354Ssam{ 2394287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 2395178354Ssam struct ipw_configuration config; 2396178354Ssam uint32_t data; 2397178354Ssam int error; 2398178354Ssam 2399178354Ssam error = ipw_disable(sc); 2400178354Ssam if (error != 0) 2401178354Ssam return error; 2402178354Ssam 2403178354Ssam switch (ic->ic_opmode) { 2404178354Ssam case IEEE80211_M_STA: 2405178354Ssam case IEEE80211_M_HOSTAP: 2406178354Ssam case IEEE80211_M_WDS: /* XXX */ 2407178354Ssam data = htole32(IPW_MODE_BSS); 2408178354Ssam break; 2409178354Ssam case IEEE80211_M_IBSS: 2410178354Ssam case IEEE80211_M_AHDEMO: 2411178354Ssam data = htole32(IPW_MODE_IBSS); 2412178354Ssam break; 2413178354Ssam case IEEE80211_M_MONITOR: 2414178354Ssam data = htole32(IPW_MODE_MONITOR); 2415178354Ssam break; 2416195562Srpaulo default: 2417195562Srpaulo device_printf(sc->sc_dev, "unknown opmode %d\n", ic->ic_opmode); 2418195562Srpaulo return EINVAL; 2419178354Ssam } 2420178354Ssam DPRINTF(("Setting mode to %u\n", le32toh(data))); 2421178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_MODE, &data, sizeof data); 2422178354Ssam if (error != 0) 2423178354Ssam return error; 2424178354Ssam 2425178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS || 2426178354Ssam ic->ic_opmode == IEEE80211_M_MONITOR) { 2427178354Ssam error = ipw_setchannel(sc, ic->ic_curchan); 2428178354Ssam if (error != 0) 2429178354Ssam return error; 2430178354Ssam } 2431178354Ssam 2432178354Ssam if (ic->ic_opmode == IEEE80211_M_MONITOR) 2433178354Ssam return ipw_enable(sc); 2434178354Ssam 2435178354Ssam config.flags = htole32(IPW_CFG_BSS_MASK | IPW_CFG_IBSS_MASK | 2436178354Ssam IPW_CFG_PREAMBLE_AUTO | IPW_CFG_802_1x_ENABLE); 2437178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS) 2438178354Ssam config.flags |= htole32(IPW_CFG_IBSS_AUTO_START); 2439287197Sglebius if (ic->ic_promisc > 0) 2440178354Ssam config.flags |= htole32(IPW_CFG_PROMISCUOUS); 2441178354Ssam config.bss_chan = htole32(0x3fff); /* channels 1-14 */ 2442178354Ssam config.ibss_chan = htole32(0x7ff); /* channels 1-11 */ 2443178354Ssam DPRINTF(("Setting configuration to 0x%x\n", le32toh(config.flags))); 2444178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_CONFIGURATION, &config, sizeof config); 2445178354Ssam if (error != 0) 2446178354Ssam return error; 2447178354Ssam 2448207926Sbschmidt data = htole32(0xf); /* 1, 2, 5.5, 11 */ 2449178354Ssam DPRINTF(("Setting basic tx rates to 0x%x\n", le32toh(data))); 2450178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_BASIC_TX_RATES, &data, sizeof data); 2451178354Ssam if (error != 0) 2452178354Ssam return error; 2453178354Ssam 2454207926Sbschmidt /* Use the same rate set */ 2455178354Ssam DPRINTF(("Setting msdu tx rates to 0x%x\n", le32toh(data))); 2456178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_MSDU_TX_RATES, &data, sizeof data); 2457178354Ssam if (error != 0) 2458178354Ssam return error; 2459178354Ssam 2460207926Sbschmidt /* Use the same rate set */ 2461178354Ssam DPRINTF(("Setting tx rates to 0x%x\n", le32toh(data))); 2462178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_TX_RATES, &data, sizeof data); 2463178354Ssam if (error != 0) 2464178354Ssam return error; 2465178354Ssam 2466178354Ssam data = htole32(IPW_POWER_MODE_CAM); 2467178354Ssam DPRINTF(("Setting power mode to %u\n", le32toh(data))); 2468178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_POWER_MODE, &data, sizeof data); 2469178354Ssam if (error != 0) 2470178354Ssam return error; 2471178354Ssam 2472178354Ssam if (ic->ic_opmode == IEEE80211_M_IBSS) { 2473178354Ssam data = htole32(32); /* default value */ 2474178354Ssam DPRINTF(("Setting tx power index to %u\n", le32toh(data))); 2475178354Ssam error = ipw_cmd(sc, IPW_CMD_SET_TX_POWER_INDEX, &data, 2476178354Ssam sizeof data); 2477178354Ssam if (error != 0) 2478178354Ssam return error; 2479178354Ssam } 2480178354Ssam 2481178354Ssam return 0; 2482178354Ssam} 2483178354Ssam 2484145247Sdamienstatic void 2485145247Sdamienipw_stop(void *priv) 2486145247Sdamien{ 2487145247Sdamien struct ipw_softc *sc = priv; 2488172567Sthompsa 2489172567Sthompsa IPW_LOCK(sc); 2490172567Sthompsa ipw_stop_locked(sc); 2491172567Sthompsa IPW_UNLOCK(sc); 2492172567Sthompsa} 2493172567Sthompsa 2494172567Sthompsastatic void 2495172567Sthompsaipw_stop_locked(struct ipw_softc *sc) 2496172567Sthompsa{ 2497145247Sdamien int i; 2498145247Sdamien 2499172567Sthompsa IPW_LOCK_ASSERT(sc); 2500156599Sdamien 2501172567Sthompsa callout_stop(&sc->sc_wdtimer); 2502145247Sdamien ipw_stop_master(sc); 2503145247Sdamien 2504145247Sdamien CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_SW_RESET); 2505145247Sdamien 2506145247Sdamien /* 2507145247Sdamien * Release tx buffers. 2508145247Sdamien */ 2509145247Sdamien for (i = 0; i < IPW_NTBD; i++) 2510145247Sdamien ipw_release_sbd(sc, &sc->stbd_list[i]); 2511145247Sdamien 2512145247Sdamien sc->sc_tx_timer = 0; 2513287197Sglebius sc->flags &= ~IPW_FLAG_RUNNING; 2514145247Sdamien} 2515145247Sdamien 2516145247Sdamienstatic int 2517145247Sdamienipw_sysctl_stats(SYSCTL_HANDLER_ARGS) 2518145247Sdamien{ 2519145247Sdamien struct ipw_softc *sc = arg1; 2520145247Sdamien uint32_t i, size, buf[256]; 2521145247Sdamien 2522174317Sphilip memset(buf, 0, sizeof buf); 2523174317Sphilip 2524174317Sphilip if (!(sc->flags & IPW_FLAG_FW_INITED)) 2525145247Sdamien return SYSCTL_OUT(req, buf, sizeof buf); 2526145247Sdamien 2527145247Sdamien CSR_WRITE_4(sc, IPW_CSR_AUTOINC_ADDR, sc->table1_base); 2528145247Sdamien 2529145247Sdamien size = min(CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA), 256); 2530145247Sdamien for (i = 1; i < size; i++) 2531145247Sdamien buf[i] = MEM_READ_4(sc, CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA)); 2532145247Sdamien 2533174317Sphilip return SYSCTL_OUT(req, buf, size); 2534145247Sdamien} 2535145247Sdamien 2536145247Sdamienstatic int 2537145247Sdamienipw_sysctl_radio(SYSCTL_HANDLER_ARGS) 2538145247Sdamien{ 2539145247Sdamien struct ipw_softc *sc = arg1; 2540145247Sdamien int val; 2541145247Sdamien 2542145247Sdamien val = !((sc->flags & IPW_FLAG_HAS_RADIO_SWITCH) && 2543145247Sdamien (CSR_READ_4(sc, IPW_CSR_IO) & IPW_IO_RADIO_DISABLED)); 2544145247Sdamien 2545145247Sdamien return SYSCTL_OUT(req, &val, sizeof val); 2546145247Sdamien} 2547145247Sdamien 2548145247Sdamienstatic uint32_t 2549145247Sdamienipw_read_table1(struct ipw_softc *sc, uint32_t off) 2550145247Sdamien{ 2551145247Sdamien return MEM_READ_4(sc, MEM_READ_4(sc, sc->table1_base + off)); 2552145247Sdamien} 2553145247Sdamien 2554145247Sdamienstatic void 2555145247Sdamienipw_write_table1(struct ipw_softc *sc, uint32_t off, uint32_t info) 2556145247Sdamien{ 2557145247Sdamien MEM_WRITE_4(sc, MEM_READ_4(sc, sc->table1_base + off), info); 2558145247Sdamien} 2559145247Sdamien 2560172567Sthompsa#if 0 2561145247Sdamienstatic int 2562145247Sdamienipw_read_table2(struct ipw_softc *sc, uint32_t off, void *buf, uint32_t *len) 2563145247Sdamien{ 2564145247Sdamien uint32_t addr, info; 2565145247Sdamien uint16_t count, size; 2566145247Sdamien uint32_t total; 2567145247Sdamien 2568145247Sdamien /* addr[4] + count[2] + size[2] */ 2569145247Sdamien addr = MEM_READ_4(sc, sc->table2_base + off); 2570145247Sdamien info = MEM_READ_4(sc, sc->table2_base + off + 4); 2571145247Sdamien 2572145247Sdamien count = info >> 16; 2573145247Sdamien size = info & 0xffff; 2574145247Sdamien total = count * size; 2575145247Sdamien 2576145247Sdamien if (total > *len) { 2577145247Sdamien *len = total; 2578145247Sdamien return EINVAL; 2579145247Sdamien } 2580145247Sdamien 2581145247Sdamien *len = total; 2582145247Sdamien ipw_read_mem_1(sc, addr, buf, total); 2583145247Sdamien 2584145247Sdamien return 0; 2585145247Sdamien} 2586145247Sdamien 2587145247Sdamienstatic void 2588145247Sdamienipw_read_mem_1(struct ipw_softc *sc, bus_size_t offset, uint8_t *datap, 2589145247Sdamien bus_size_t count) 2590145247Sdamien{ 2591145247Sdamien for (; count > 0; offset++, datap++, count--) { 2592145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INDIRECT_ADDR, offset & ~3); 2593145247Sdamien *datap = CSR_READ_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3)); 2594145247Sdamien } 2595145247Sdamien} 2596172567Sthompsa#endif 2597145247Sdamien 2598145247Sdamienstatic void 2599156599Sdamienipw_write_mem_1(struct ipw_softc *sc, bus_size_t offset, const uint8_t *datap, 2600145247Sdamien bus_size_t count) 2601145247Sdamien{ 2602145247Sdamien for (; count > 0; offset++, datap++, count--) { 2603145247Sdamien CSR_WRITE_4(sc, IPW_CSR_INDIRECT_ADDR, offset & ~3); 2604145247Sdamien CSR_WRITE_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3), *datap); 2605145247Sdamien } 2606145247Sdamien} 2607172567Sthompsa 2608172567Sthompsastatic void 2609172567Sthompsaipw_scan_start(struct ieee80211com *ic) 2610172567Sthompsa{ 2611286865Sadrian struct ipw_softc *sc = ic->ic_softc; 2612172567Sthompsa 2613172567Sthompsa IPW_LOCK(sc); 2614191746Sthompsa ipw_scan(sc); 2615172567Sthompsa IPW_UNLOCK(sc); 2616172567Sthompsa} 2617172567Sthompsa 2618172567Sthompsastatic void 2619172567Sthompsaipw_set_channel(struct ieee80211com *ic) 2620172567Sthompsa{ 2621286865Sadrian struct ipw_softc *sc = ic->ic_softc; 2622172567Sthompsa 2623172567Sthompsa IPW_LOCK(sc); 2624172567Sthompsa if (ic->ic_opmode == IEEE80211_M_MONITOR) { 2625172567Sthompsa ipw_disable(sc); 2626172567Sthompsa ipw_setchannel(sc, ic->ic_curchan); 2627172567Sthompsa ipw_enable(sc); 2628172567Sthompsa } 2629172567Sthompsa IPW_UNLOCK(sc); 2630172567Sthompsa} 2631172567Sthompsa 2632172567Sthompsastatic void 2633178354Ssamipw_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 2634172567Sthompsa{ 2635172567Sthompsa /* NB: all channels are scanned at once */ 2636172567Sthompsa} 2637172567Sthompsa 2638172567Sthompsastatic void 2639178354Ssamipw_scan_mindwell(struct ieee80211_scan_state *ss) 2640172567Sthompsa{ 2641172567Sthompsa /* NB: don't try to abort scan; wait for firmware to finish */ 2642172567Sthompsa} 2643172567Sthompsa 2644172567Sthompsastatic void 2645172567Sthompsaipw_scan_end(struct ieee80211com *ic) 2646172567Sthompsa{ 2647286865Sadrian struct ipw_softc *sc = ic->ic_softc; 2648172567Sthompsa 2649172567Sthompsa IPW_LOCK(sc); 2650172567Sthompsa sc->flags &= ~IPW_FLAG_SCANNING; 2651172567Sthompsa IPW_UNLOCK(sc); 2652172567Sthompsa} 2653