if_rsu.c revision 283540
1253789Srpaulo/* $OpenBSD: if_rsu.c,v 1.17 2013/04/15 09:23:01 mglocker Exp $ */ 2253789Srpaulo 3253789Srpaulo/*- 4253789Srpaulo * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr> 5253789Srpaulo * 6253789Srpaulo * Permission to use, copy, modify, and distribute this software for any 7253789Srpaulo * purpose with or without fee is hereby granted, provided that the above 8253789Srpaulo * copyright notice and this permission notice appear in all copies. 9253789Srpaulo * 10253789Srpaulo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11253789Srpaulo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12253789Srpaulo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13253789Srpaulo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14253789Srpaulo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15253789Srpaulo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16253789Srpaulo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17253789Srpaulo */ 18253789Srpaulo#include <sys/cdefs.h> 19253789Srpaulo__FBSDID("$FreeBSD: head/sys/dev/usb/wlan/if_rsu.c 283540 2015-05-25 19:53:29Z glebius $"); 20253789Srpaulo 21253789Srpaulo/* 22253789Srpaulo * Driver for Realtek RTL8188SU/RTL8191SU/RTL8192SU. 23253789Srpaulo * 24253789Srpaulo * TODO: 25253789Srpaulo * o 11n support 26253789Srpaulo * o h/w crypto 27253789Srpaulo * o hostap / ibss / mesh 28253789Srpaulo */ 29253789Srpaulo#include <sys/param.h> 30253789Srpaulo#include <sys/endian.h> 31253789Srpaulo#include <sys/sockio.h> 32253789Srpaulo#include <sys/mbuf.h> 33253789Srpaulo#include <sys/kernel.h> 34253789Srpaulo#include <sys/socket.h> 35253789Srpaulo#include <sys/systm.h> 36253789Srpaulo#include <sys/conf.h> 37253789Srpaulo#include <sys/bus.h> 38253789Srpaulo#include <sys/rman.h> 39253789Srpaulo#include <sys/firmware.h> 40253789Srpaulo#include <sys/module.h> 41253789Srpaulo 42253789Srpaulo#include <machine/bus.h> 43253789Srpaulo#include <machine/resource.h> 44253789Srpaulo 45253789Srpaulo#include <net/bpf.h> 46253789Srpaulo#include <net/if.h> 47257176Sglebius#include <net/if_var.h> 48253789Srpaulo#include <net/if_arp.h> 49253789Srpaulo#include <net/if_dl.h> 50253789Srpaulo#include <net/if_media.h> 51253789Srpaulo#include <net/if_types.h> 52253789Srpaulo 53253789Srpaulo#include <netinet/in.h> 54253789Srpaulo#include <netinet/in_systm.h> 55253789Srpaulo#include <netinet/in_var.h> 56253789Srpaulo#include <netinet/if_ether.h> 57253789Srpaulo#include <netinet/ip.h> 58253789Srpaulo 59253789Srpaulo#include <net80211/ieee80211_var.h> 60253789Srpaulo#include <net80211/ieee80211_regdomain.h> 61253789Srpaulo#include <net80211/ieee80211_radiotap.h> 62253789Srpaulo 63253789Srpaulo#include <dev/usb/usb.h> 64253789Srpaulo#include <dev/usb/usbdi.h> 65253789Srpaulo#include "usbdevs.h" 66253789Srpaulo 67253789Srpaulo#define USB_DEBUG_VAR rsu_debug 68253789Srpaulo#include <dev/usb/usb_debug.h> 69253789Srpaulo 70253789Srpaulo#include <dev/usb/wlan/if_rsureg.h> 71253789Srpaulo 72253789Srpaulo#ifdef USB_DEBUG 73253789Srpaulostatic int rsu_debug = 0; 74253789SrpauloSYSCTL_NODE(_hw_usb, OID_AUTO, rsu, CTLFLAG_RW, 0, "USB rsu"); 75276701ShselaskySYSCTL_INT(_hw_usb_rsu, OID_AUTO, debug, CTLFLAG_RWTUN, &rsu_debug, 0, 76253789Srpaulo "Debug level"); 77253789Srpaulo#endif 78253789Srpaulo 79253789Srpaulostatic const STRUCT_USB_HOST_ID rsu_devs[] = { 80253789Srpaulo#define RSU_HT_NOT_SUPPORTED 0 81253789Srpaulo#define RSU_HT_SUPPORTED 1 82253789Srpaulo#define RSU_DEV_HT(v,p) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, \ 83253789Srpaulo RSU_HT_SUPPORTED) } 84253789Srpaulo#define RSU_DEV(v,p) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, \ 85253789Srpaulo RSU_HT_NOT_SUPPORTED) } 86253789Srpaulo RSU_DEV(ASUS, RTL8192SU), 87253789Srpaulo RSU_DEV(AZUREWAVE, RTL8192SU_4), 88253789Srpaulo RSU_DEV_HT(ACCTON, RTL8192SU), 89253789Srpaulo RSU_DEV_HT(ASUS, USBN10), 90253789Srpaulo RSU_DEV_HT(AZUREWAVE, RTL8192SU_1), 91253789Srpaulo RSU_DEV_HT(AZUREWAVE, RTL8192SU_2), 92253789Srpaulo RSU_DEV_HT(AZUREWAVE, RTL8192SU_3), 93253789Srpaulo RSU_DEV_HT(AZUREWAVE, RTL8192SU_5), 94253789Srpaulo RSU_DEV_HT(BELKIN, RTL8192SU_1), 95253789Srpaulo RSU_DEV_HT(BELKIN, RTL8192SU_2), 96253789Srpaulo RSU_DEV_HT(BELKIN, RTL8192SU_3), 97253789Srpaulo RSU_DEV_HT(CONCEPTRONIC2, RTL8192SU_1), 98253789Srpaulo RSU_DEV_HT(CONCEPTRONIC2, RTL8192SU_2), 99253789Srpaulo RSU_DEV_HT(CONCEPTRONIC2, RTL8192SU_3), 100253789Srpaulo RSU_DEV_HT(COREGA, RTL8192SU), 101253789Srpaulo RSU_DEV_HT(DLINK2, DWA131A1), 102253789Srpaulo RSU_DEV_HT(DLINK2, RTL8192SU_1), 103253789Srpaulo RSU_DEV_HT(DLINK2, RTL8192SU_2), 104253789Srpaulo RSU_DEV_HT(EDIMAX, RTL8192SU_1), 105253789Srpaulo RSU_DEV_HT(EDIMAX, RTL8192SU_2), 106258028Skevlo RSU_DEV_HT(EDIMAX, EW7622UMN), 107253789Srpaulo RSU_DEV_HT(GUILLEMOT, HWGUN54), 108253789Srpaulo RSU_DEV_HT(GUILLEMOT, HWNUM300), 109253789Srpaulo RSU_DEV_HT(HAWKING, RTL8192SU_1), 110253789Srpaulo RSU_DEV_HT(HAWKING, RTL8192SU_2), 111253789Srpaulo RSU_DEV_HT(PLANEX2, GWUSNANO), 112253789Srpaulo RSU_DEV_HT(REALTEK, RTL8171), 113253789Srpaulo RSU_DEV_HT(REALTEK, RTL8172), 114253789Srpaulo RSU_DEV_HT(REALTEK, RTL8173), 115253789Srpaulo RSU_DEV_HT(REALTEK, RTL8174), 116253789Srpaulo RSU_DEV_HT(REALTEK, RTL8192SU), 117253789Srpaulo RSU_DEV_HT(REALTEK, RTL8712), 118253789Srpaulo RSU_DEV_HT(REALTEK, RTL8713), 119253789Srpaulo RSU_DEV_HT(SENAO, RTL8192SU_1), 120253789Srpaulo RSU_DEV_HT(SENAO, RTL8192SU_2), 121253789Srpaulo RSU_DEV_HT(SITECOMEU, WL349V1), 122253789Srpaulo RSU_DEV_HT(SITECOMEU, WL353), 123253789Srpaulo RSU_DEV_HT(SWEEX2, LW154), 124274684Skevlo RSU_DEV_HT(TRENDNET, TEW646UBH), 125253789Srpaulo#undef RSU_DEV_HT 126253789Srpaulo#undef RSU_DEV 127253789Srpaulo}; 128253789Srpaulo 129253789Srpaulostatic device_probe_t rsu_match; 130253789Srpaulostatic device_attach_t rsu_attach; 131253789Srpaulostatic device_detach_t rsu_detach; 132267041Shselaskystatic usb_callback_t rsu_bulk_tx_callback_be_bk; 133267041Shselaskystatic usb_callback_t rsu_bulk_tx_callback_vi_vo; 134253789Srpaulostatic usb_callback_t rsu_bulk_rx_callback; 135253789Srpaulostatic usb_error_t rsu_do_request(struct rsu_softc *, 136253789Srpaulo struct usb_device_request *, void *); 137253789Srpaulostatic struct ieee80211vap * 138253789Srpaulo rsu_vap_create(struct ieee80211com *, const char name[], 139253789Srpaulo int, enum ieee80211_opmode, int, const uint8_t bssid[], 140253789Srpaulo const uint8_t mac[]); 141253789Srpaulostatic void rsu_vap_delete(struct ieee80211vap *); 142253789Srpaulostatic void rsu_scan_start(struct ieee80211com *); 143253789Srpaulostatic void rsu_scan_end(struct ieee80211com *); 144253789Srpaulostatic void rsu_set_channel(struct ieee80211com *); 145283540Sglebiusstatic void rsu_update_mcast(struct ieee80211com *); 146253789Srpaulostatic int rsu_alloc_rx_list(struct rsu_softc *); 147253789Srpaulostatic void rsu_free_rx_list(struct rsu_softc *); 148253789Srpaulostatic int rsu_alloc_tx_list(struct rsu_softc *); 149253789Srpaulostatic void rsu_free_tx_list(struct rsu_softc *); 150253789Srpaulostatic void rsu_free_list(struct rsu_softc *, struct rsu_data [], int); 151253789Srpaulostatic struct rsu_data *_rsu_getbuf(struct rsu_softc *); 152253789Srpaulostatic struct rsu_data *rsu_getbuf(struct rsu_softc *); 153253789Srpaulostatic int rsu_write_region_1(struct rsu_softc *, uint16_t, uint8_t *, 154253789Srpaulo int); 155253789Srpaulostatic void rsu_write_1(struct rsu_softc *, uint16_t, uint8_t); 156253789Srpaulostatic void rsu_write_2(struct rsu_softc *, uint16_t, uint16_t); 157253789Srpaulostatic void rsu_write_4(struct rsu_softc *, uint16_t, uint32_t); 158253789Srpaulostatic int rsu_read_region_1(struct rsu_softc *, uint16_t, uint8_t *, 159253789Srpaulo int); 160253789Srpaulostatic uint8_t rsu_read_1(struct rsu_softc *, uint16_t); 161253789Srpaulostatic uint16_t rsu_read_2(struct rsu_softc *, uint16_t); 162253789Srpaulostatic uint32_t rsu_read_4(struct rsu_softc *, uint16_t); 163253789Srpaulostatic int rsu_fw_iocmd(struct rsu_softc *, uint32_t); 164253789Srpaulostatic uint8_t rsu_efuse_read_1(struct rsu_softc *, uint16_t); 165253789Srpaulostatic int rsu_read_rom(struct rsu_softc *); 166253789Srpaulostatic int rsu_fw_cmd(struct rsu_softc *, uint8_t, void *, int); 167253789Srpaulostatic void rsu_calib_task(void *, int); 168253789Srpaulostatic int rsu_newstate(struct ieee80211vap *, enum ieee80211_state, int); 169253789Srpaulo#ifdef notyet 170253789Srpaulostatic void rsu_set_key(struct rsu_softc *, const struct ieee80211_key *); 171253789Srpaulostatic void rsu_delete_key(struct rsu_softc *, const struct ieee80211_key *); 172253789Srpaulo#endif 173253789Srpaulostatic int rsu_site_survey(struct rsu_softc *, struct ieee80211vap *); 174253789Srpaulostatic int rsu_join_bss(struct rsu_softc *, struct ieee80211_node *); 175253789Srpaulostatic int rsu_disconnect(struct rsu_softc *); 176253789Srpaulostatic void rsu_event_survey(struct rsu_softc *, uint8_t *, int); 177253789Srpaulostatic void rsu_event_join_bss(struct rsu_softc *, uint8_t *, int); 178253789Srpaulostatic void rsu_rx_event(struct rsu_softc *, uint8_t, uint8_t *, int); 179253789Srpaulostatic void rsu_rx_multi_event(struct rsu_softc *, uint8_t *, int); 180253789Srpaulostatic int8_t rsu_get_rssi(struct rsu_softc *, int, void *); 181253789Srpaulostatic struct mbuf * 182253789Srpaulo rsu_rx_frame(struct rsu_softc *, uint8_t *, int, int *); 183253789Srpaulostatic struct mbuf * 184253789Srpaulo rsu_rx_multi_frame(struct rsu_softc *, uint8_t *, int, int *); 185253789Srpaulostatic struct mbuf * 186253789Srpaulo rsu_rxeof(struct usb_xfer *, struct rsu_data *, int *); 187253789Srpaulostatic void rsu_txeof(struct usb_xfer *, struct rsu_data *); 188253789Srpaulostatic int rsu_raw_xmit(struct ieee80211_node *, struct mbuf *, 189253789Srpaulo const struct ieee80211_bpf_params *); 190253789Srpaulostatic void rsu_init(void *); 191253789Srpaulostatic void rsu_init_locked(struct rsu_softc *); 192253789Srpaulostatic int rsu_tx_start(struct rsu_softc *, struct ieee80211_node *, 193266505Shselasky struct mbuf *, struct rsu_data *); 194253789Srpaulostatic void rsu_start(struct ifnet *); 195266505Shselaskystatic void rsu_start_locked(struct ifnet *); 196253789Srpaulostatic int rsu_ioctl(struct ifnet *, u_long, caddr_t); 197253789Srpaulostatic void rsu_stop(struct ifnet *, int); 198253789Srpaulostatic void rsu_stop_locked(struct ifnet *, int); 199266471Shselaskystatic void rsu_ms_delay(struct rsu_softc *); 200253789Srpaulo 201253789Srpaulostatic device_method_t rsu_methods[] = { 202253789Srpaulo DEVMETHOD(device_probe, rsu_match), 203253789Srpaulo DEVMETHOD(device_attach, rsu_attach), 204253789Srpaulo DEVMETHOD(device_detach, rsu_detach), 205253789Srpaulo 206253789Srpaulo DEVMETHOD_END 207253789Srpaulo}; 208253789Srpaulo 209253789Srpaulostatic driver_t rsu_driver = { 210253789Srpaulo .name = "rsu", 211253789Srpaulo .methods = rsu_methods, 212253789Srpaulo .size = sizeof(struct rsu_softc) 213253789Srpaulo}; 214253789Srpaulo 215253789Srpaulostatic devclass_t rsu_devclass; 216253789Srpaulo 217253789SrpauloDRIVER_MODULE(rsu, uhub, rsu_driver, rsu_devclass, NULL, 0); 218253789SrpauloMODULE_DEPEND(rsu, wlan, 1, 1, 1); 219253789SrpauloMODULE_DEPEND(rsu, usb, 1, 1, 1); 220253789SrpauloMODULE_DEPEND(rsu, firmware, 1, 1, 1); 221253789SrpauloMODULE_VERSION(rsu, 1); 222253789Srpaulo 223267041Shselaskystatic uint8_t rsu_wme_ac_xfer_map[4] = { 224267041Shselasky [WME_AC_BE] = RSU_BULK_TX_BE_BK, 225267041Shselasky [WME_AC_BK] = RSU_BULK_TX_BE_BK, 226267041Shselasky [WME_AC_VI] = RSU_BULK_TX_VI_VO, 227267041Shselasky [WME_AC_VO] = RSU_BULK_TX_VI_VO, 228267041Shselasky}; 229267041Shselasky 230253789Srpaulostatic const struct usb_config rsu_config[RSU_N_TRANSFER] = { 231253789Srpaulo [RSU_BULK_RX] = { 232253789Srpaulo .type = UE_BULK, 233253789Srpaulo .endpoint = UE_ADDR_ANY, 234253789Srpaulo .direction = UE_DIR_IN, 235253789Srpaulo .bufsize = RSU_RXBUFSZ, 236253789Srpaulo .flags = { 237253789Srpaulo .pipe_bof = 1, 238253789Srpaulo .short_xfer_ok = 1 239253789Srpaulo }, 240253789Srpaulo .callback = rsu_bulk_rx_callback 241253789Srpaulo }, 242267041Shselasky [RSU_BULK_TX_BE_BK] = { 243253789Srpaulo .type = UE_BULK, 244253789Srpaulo .endpoint = 0x06, 245253789Srpaulo .direction = UE_DIR_OUT, 246253789Srpaulo .bufsize = RSU_TXBUFSZ, 247253789Srpaulo .flags = { 248253789Srpaulo .ext_buffer = 1, 249253789Srpaulo .pipe_bof = 1, 250253789Srpaulo .force_short_xfer = 1 251253789Srpaulo }, 252267041Shselasky .callback = rsu_bulk_tx_callback_be_bk, 253253789Srpaulo .timeout = RSU_TX_TIMEOUT 254253789Srpaulo }, 255267041Shselasky [RSU_BULK_TX_VI_VO] = { 256253789Srpaulo .type = UE_BULK, 257253789Srpaulo .endpoint = 0x04, 258253789Srpaulo .direction = UE_DIR_OUT, 259253789Srpaulo .bufsize = RSU_TXBUFSZ, 260253789Srpaulo .flags = { 261253789Srpaulo .ext_buffer = 1, 262253789Srpaulo .pipe_bof = 1, 263253789Srpaulo .force_short_xfer = 1 264253789Srpaulo }, 265267041Shselasky .callback = rsu_bulk_tx_callback_vi_vo, 266253789Srpaulo .timeout = RSU_TX_TIMEOUT 267253789Srpaulo }, 268253789Srpaulo}; 269253789Srpaulo 270253789Srpaulostatic int 271253789Srpaulorsu_match(device_t self) 272253789Srpaulo{ 273253789Srpaulo struct usb_attach_arg *uaa = device_get_ivars(self); 274253789Srpaulo 275253789Srpaulo if (uaa->usb_mode != USB_MODE_HOST || 276253789Srpaulo uaa->info.bIfaceIndex != 0 || 277253789Srpaulo uaa->info.bConfigIndex != 0) 278253789Srpaulo return (ENXIO); 279253789Srpaulo 280253789Srpaulo return (usbd_lookup_id_by_uaa(rsu_devs, sizeof(rsu_devs), uaa)); 281253789Srpaulo} 282253789Srpaulo 283253789Srpaulostatic int 284253789Srpaulorsu_attach(device_t self) 285253789Srpaulo{ 286253789Srpaulo struct usb_attach_arg *uaa = device_get_ivars(self); 287253789Srpaulo struct rsu_softc *sc = device_get_softc(self); 288253789Srpaulo struct ifnet *ifp; 289253789Srpaulo struct ieee80211com *ic; 290253789Srpaulo int error; 291253789Srpaulo uint8_t iface_index, bands; 292253789Srpaulo 293253789Srpaulo device_set_usb_desc(self); 294253789Srpaulo sc->sc_udev = uaa->device; 295253789Srpaulo sc->sc_dev = self; 296253789Srpaulo 297253789Srpaulo mtx_init(&sc->sc_mtx, device_get_nameunit(self), MTX_NETWORK_LOCK, 298253789Srpaulo MTX_DEF); 299253789Srpaulo TIMEOUT_TASK_INIT(taskqueue_thread, &sc->calib_task, 0, 300253789Srpaulo rsu_calib_task, sc); 301253789Srpaulo 302266535Shselasky /* Allocate Tx/Rx buffers. */ 303266535Shselasky error = rsu_alloc_rx_list(sc); 304266535Shselasky if (error != 0) { 305266535Shselasky device_printf(sc->sc_dev, "could not allocate Rx buffers\n"); 306266535Shselasky goto fail_usb; 307266535Shselasky } 308266535Shselasky 309266535Shselasky error = rsu_alloc_tx_list(sc); 310266535Shselasky if (error != 0) { 311266535Shselasky device_printf(sc->sc_dev, "could not allocate Tx buffers\n"); 312266535Shselasky rsu_free_rx_list(sc); 313266535Shselasky goto fail_usb; 314266535Shselasky } 315266535Shselasky 316253789Srpaulo iface_index = 0; 317253789Srpaulo error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_xfer, 318253789Srpaulo rsu_config, RSU_N_TRANSFER, sc, &sc->sc_mtx); 319253789Srpaulo if (error) { 320253789Srpaulo device_printf(sc->sc_dev, 321253789Srpaulo "could not allocate USB transfers, err=%s\n", 322253789Srpaulo usbd_errstr(error)); 323253831Srpaulo goto fail_usb; 324253789Srpaulo } 325253789Srpaulo RSU_LOCK(sc); 326253789Srpaulo /* Read chip revision. */ 327253789Srpaulo sc->cut = MS(rsu_read_4(sc, R92S_PMC_FSM), R92S_PMC_FSM_CUT); 328253789Srpaulo if (sc->cut != 3) 329253789Srpaulo sc->cut = (sc->cut >> 1) + 1; 330253789Srpaulo error = rsu_read_rom(sc); 331276611Shselasky RSU_UNLOCK(sc); 332253789Srpaulo if (error != 0) { 333253789Srpaulo device_printf(self, "could not read ROM\n"); 334253831Srpaulo goto fail_rom; 335253789Srpaulo } 336253789Srpaulo IEEE80211_ADDR_COPY(sc->sc_bssid, &sc->rom[0x12]); 337253789Srpaulo device_printf(self, "MAC/BB RTL8712 cut %d\n", sc->cut); 338253789Srpaulo ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 339253789Srpaulo if (ifp == NULL) { 340253789Srpaulo device_printf(self, "cannot allocate interface\n"); 341253831Srpaulo goto fail_ifalloc; 342253789Srpaulo } 343253789Srpaulo ic = ifp->if_l2com; 344253789Srpaulo ifp->if_softc = sc; 345253789Srpaulo if_initname(ifp, "rsu", device_get_unit(self)); 346253789Srpaulo ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 347253789Srpaulo ifp->if_init = rsu_init; 348253789Srpaulo ifp->if_ioctl = rsu_ioctl; 349253789Srpaulo ifp->if_start = rsu_start; 350253789Srpaulo IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 351253789Srpaulo ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 352253789Srpaulo IFQ_SET_READY(&ifp->if_snd); 353253789Srpaulo ifp->if_capabilities |= IFCAP_RXCSUM; 354253789Srpaulo ifp->if_capenable |= IFCAP_RXCSUM; 355253789Srpaulo ifp->if_hwassist = CSUM_TCP; 356253789Srpaulo 357253789Srpaulo ic->ic_ifp = ifp; 358283537Sglebius ic->ic_softc = sc; 359283527Sglebius ic->ic_name = device_get_nameunit(self); 360253789Srpaulo ic->ic_phytype = IEEE80211_T_OFDM; /* Not only, but not used. */ 361253789Srpaulo ic->ic_opmode = IEEE80211_M_STA; /* Default to BSS mode. */ 362253789Srpaulo 363253789Srpaulo /* Set device capabilities. */ 364253789Srpaulo ic->ic_caps = 365253789Srpaulo IEEE80211_C_STA | /* station mode */ 366253789Srpaulo IEEE80211_C_BGSCAN | /* Background scan. */ 367253789Srpaulo IEEE80211_C_SHPREAMBLE | /* Short preamble supported. */ 368253789Srpaulo IEEE80211_C_SHSLOT | /* Short slot time supported. */ 369253789Srpaulo IEEE80211_C_WPA; /* WPA/RSN. */ 370253789Srpaulo 371253789Srpaulo#if 0 372253789Srpaulo /* Check if HT support is present. */ 373253789Srpaulo if (usb_lookup(rsu_devs_noht, uaa->vendor, uaa->product) == NULL) { 374253789Srpaulo /* Set HT capabilities. */ 375253789Srpaulo ic->ic_htcaps = 376253789Srpaulo IEEE80211_HTCAP_CBW20_40 | 377253789Srpaulo IEEE80211_HTCAP_DSSSCCK40; 378253789Srpaulo /* Set supported HT rates. */ 379253789Srpaulo for (i = 0; i < 2; i++) 380253789Srpaulo ic->ic_sup_mcs[i] = 0xff; 381253789Srpaulo } 382253789Srpaulo#endif 383253789Srpaulo 384253789Srpaulo /* Set supported .11b and .11g rates. */ 385253789Srpaulo bands = 0; 386253789Srpaulo setbit(&bands, IEEE80211_MODE_11B); 387253789Srpaulo setbit(&bands, IEEE80211_MODE_11G); 388253789Srpaulo ieee80211_init_channels(ic, NULL, &bands); 389253789Srpaulo 390253789Srpaulo ieee80211_ifattach(ic, sc->sc_bssid); 391253789Srpaulo ic->ic_raw_xmit = rsu_raw_xmit; 392253789Srpaulo ic->ic_scan_start = rsu_scan_start; 393253789Srpaulo ic->ic_scan_end = rsu_scan_end; 394253789Srpaulo ic->ic_set_channel = rsu_set_channel; 395253789Srpaulo ic->ic_vap_create = rsu_vap_create; 396253789Srpaulo ic->ic_vap_delete = rsu_vap_delete; 397253789Srpaulo ic->ic_update_mcast = rsu_update_mcast; 398253789Srpaulo 399253789Srpaulo ieee80211_radiotap_attach(ic, &sc->sc_txtap.wt_ihdr, 400253789Srpaulo sizeof(sc->sc_txtap), RSU_TX_RADIOTAP_PRESENT, 401253789Srpaulo &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 402253789Srpaulo RSU_RX_RADIOTAP_PRESENT); 403253789Srpaulo 404253789Srpaulo if (bootverbose) 405253789Srpaulo ieee80211_announce(ic); 406253789Srpaulo 407253789Srpaulo return (0); 408253789Srpaulo 409253831Srpaulofail_ifalloc: 410253831Srpaulofail_rom: 411253831Srpaulo usbd_transfer_unsetup(sc->sc_xfer, RSU_N_TRANSFER); 412253831Srpaulofail_usb: 413253831Srpaulo mtx_destroy(&sc->sc_mtx); 414253789Srpaulo return (ENXIO); 415253789Srpaulo} 416253789Srpaulo 417253789Srpaulostatic int 418253789Srpaulorsu_detach(device_t self) 419253789Srpaulo{ 420253789Srpaulo struct rsu_softc *sc = device_get_softc(self); 421253789Srpaulo struct ifnet *ifp = sc->sc_ifp; 422253789Srpaulo struct ieee80211com *ic = ifp->if_l2com; 423253789Srpaulo 424253789Srpaulo rsu_stop(ifp, 1); 425253789Srpaulo usbd_transfer_unsetup(sc->sc_xfer, RSU_N_TRANSFER); 426253789Srpaulo ieee80211_ifdetach(ic); 427253789Srpaulo 428253789Srpaulo taskqueue_drain_timeout(taskqueue_thread, &sc->calib_task); 429253789Srpaulo 430253789Srpaulo /* Free Tx/Rx buffers. */ 431253789Srpaulo rsu_free_tx_list(sc); 432253789Srpaulo rsu_free_rx_list(sc); 433253789Srpaulo 434253789Srpaulo if_free(ifp); 435253789Srpaulo mtx_destroy(&sc->sc_mtx); 436253789Srpaulo 437253789Srpaulo return (0); 438253789Srpaulo} 439253789Srpaulo 440253789Srpaulostatic usb_error_t 441253789Srpaulorsu_do_request(struct rsu_softc *sc, struct usb_device_request *req, 442253789Srpaulo void *data) 443253789Srpaulo{ 444253789Srpaulo usb_error_t err; 445253789Srpaulo int ntries = 10; 446253789Srpaulo 447253789Srpaulo RSU_ASSERT_LOCKED(sc); 448253789Srpaulo 449253789Srpaulo while (ntries--) { 450253789Srpaulo err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx, 451253789Srpaulo req, data, 0, NULL, 250 /* ms */); 452266466Shselasky if (err == 0 || err == USB_ERR_NOT_CONFIGURED) 453253789Srpaulo break; 454253789Srpaulo DPRINTFN(1, "Control request failed, %s (retrying)\n", 455253789Srpaulo usbd_errstr(err)); 456253789Srpaulo usb_pause_mtx(&sc->sc_mtx, hz / 100); 457253789Srpaulo } 458253789Srpaulo 459253789Srpaulo return (err); 460253789Srpaulo} 461253789Srpaulo 462253789Srpaulostatic struct ieee80211vap * 463253789Srpaulorsu_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 464253789Srpaulo enum ieee80211_opmode opmode, int flags, 465253789Srpaulo const uint8_t bssid[IEEE80211_ADDR_LEN], 466253789Srpaulo const uint8_t mac[IEEE80211_ADDR_LEN]) 467253789Srpaulo{ 468253789Srpaulo struct rsu_vap *uvp; 469253789Srpaulo struct ieee80211vap *vap; 470253789Srpaulo 471253789Srpaulo if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 472253789Srpaulo return (NULL); 473253789Srpaulo 474253789Srpaulo uvp = (struct rsu_vap *) malloc(sizeof(struct rsu_vap), 475253789Srpaulo M_80211_VAP, M_NOWAIT | M_ZERO); 476253789Srpaulo if (uvp == NULL) 477253789Srpaulo return (NULL); 478253789Srpaulo vap = &uvp->vap; 479253789Srpaulo 480257743Shselasky if (ieee80211_vap_setup(ic, vap, name, unit, opmode, 481257743Shselasky flags, bssid, mac) != 0) { 482257743Shselasky /* out of memory */ 483257743Shselasky free(uvp, M_80211_VAP); 484257743Shselasky return (NULL); 485257743Shselasky } 486257743Shselasky 487253789Srpaulo /* override state transition machine */ 488253789Srpaulo uvp->newstate = vap->iv_newstate; 489253789Srpaulo vap->iv_newstate = rsu_newstate; 490253789Srpaulo 491253789Srpaulo /* complete setup */ 492253789Srpaulo ieee80211_vap_attach(vap, ieee80211_media_change, 493253789Srpaulo ieee80211_media_status); 494253789Srpaulo ic->ic_opmode = opmode; 495253789Srpaulo 496253789Srpaulo return (vap); 497253789Srpaulo} 498253789Srpaulo 499253789Srpaulostatic void 500253789Srpaulorsu_vap_delete(struct ieee80211vap *vap) 501253789Srpaulo{ 502253789Srpaulo struct rsu_vap *uvp = RSU_VAP(vap); 503253789Srpaulo 504253789Srpaulo ieee80211_vap_detach(vap); 505253789Srpaulo free(uvp, M_80211_VAP); 506253789Srpaulo} 507253789Srpaulo 508253789Srpaulostatic void 509253789Srpaulorsu_scan_start(struct ieee80211com *ic) 510253789Srpaulo{ 511253789Srpaulo int error; 512253789Srpaulo struct ifnet *ifp = ic->ic_ifp; 513253789Srpaulo struct rsu_softc *sc = ifp->if_softc; 514253789Srpaulo 515253789Srpaulo /* Scanning is done by the firmware. */ 516253789Srpaulo RSU_LOCK(sc); 517253789Srpaulo error = rsu_site_survey(sc, TAILQ_FIRST(&ic->ic_vaps)); 518253789Srpaulo RSU_UNLOCK(sc); 519253789Srpaulo if (error != 0) 520253789Srpaulo device_printf(sc->sc_dev, 521253789Srpaulo "could not send site survey command\n"); 522253789Srpaulo} 523253789Srpaulo 524253789Srpaulostatic void 525253789Srpaulorsu_scan_end(struct ieee80211com *ic) 526253789Srpaulo{ 527253789Srpaulo /* Nothing to do here. */ 528253789Srpaulo} 529253789Srpaulo 530253789Srpaulostatic void 531253789Srpaulorsu_set_channel(struct ieee80211com *ic __unused) 532253789Srpaulo{ 533253789Srpaulo /* We are unable to switch channels, yet. */ 534253789Srpaulo} 535253789Srpaulo 536253789Srpaulostatic void 537283540Sglebiusrsu_update_mcast(struct ieee80211com *ic) 538253789Srpaulo{ 539253789Srpaulo /* XXX do nothing? */ 540253789Srpaulo} 541253789Srpaulo 542253789Srpaulostatic int 543253789Srpaulorsu_alloc_list(struct rsu_softc *sc, struct rsu_data data[], 544253789Srpaulo int ndata, int maxsz) 545253789Srpaulo{ 546253789Srpaulo int i, error; 547253789Srpaulo 548253789Srpaulo for (i = 0; i < ndata; i++) { 549253789Srpaulo struct rsu_data *dp = &data[i]; 550253789Srpaulo dp->sc = sc; 551253789Srpaulo dp->m = NULL; 552253789Srpaulo dp->buf = malloc(maxsz, M_USBDEV, M_NOWAIT); 553253789Srpaulo if (dp->buf == NULL) { 554253789Srpaulo device_printf(sc->sc_dev, 555253789Srpaulo "could not allocate buffer\n"); 556253789Srpaulo error = ENOMEM; 557253789Srpaulo goto fail; 558253789Srpaulo } 559253789Srpaulo dp->ni = NULL; 560253789Srpaulo } 561253789Srpaulo 562253789Srpaulo return (0); 563253789Srpaulofail: 564253789Srpaulo rsu_free_list(sc, data, ndata); 565253789Srpaulo return (error); 566253789Srpaulo} 567253789Srpaulo 568253789Srpaulostatic int 569253789Srpaulorsu_alloc_rx_list(struct rsu_softc *sc) 570253789Srpaulo{ 571253789Srpaulo int error, i; 572253789Srpaulo 573253789Srpaulo error = rsu_alloc_list(sc, sc->sc_rx, RSU_RX_LIST_COUNT, 574253789Srpaulo RSU_RXBUFSZ); 575253789Srpaulo if (error != 0) 576253789Srpaulo return (error); 577253789Srpaulo 578253789Srpaulo STAILQ_INIT(&sc->sc_rx_active); 579253789Srpaulo STAILQ_INIT(&sc->sc_rx_inactive); 580253789Srpaulo 581253789Srpaulo for (i = 0; i < RSU_RX_LIST_COUNT; i++) 582253789Srpaulo STAILQ_INSERT_HEAD(&sc->sc_rx_inactive, &sc->sc_rx[i], next); 583253789Srpaulo 584253789Srpaulo return (0); 585253789Srpaulo} 586253789Srpaulo 587253789Srpaulostatic int 588253789Srpaulorsu_alloc_tx_list(struct rsu_softc *sc) 589253789Srpaulo{ 590253789Srpaulo int error, i; 591253789Srpaulo 592253789Srpaulo error = rsu_alloc_list(sc, sc->sc_tx, RSU_TX_LIST_COUNT, 593253789Srpaulo RSU_TXBUFSZ); 594253789Srpaulo if (error != 0) 595253789Srpaulo return (error); 596253789Srpaulo 597253789Srpaulo STAILQ_INIT(&sc->sc_tx_inactive); 598253789Srpaulo 599267041Shselasky for (i = 0; i != RSU_N_TRANSFER; i++) { 600266505Shselasky STAILQ_INIT(&sc->sc_tx_active[i]); 601266505Shselasky STAILQ_INIT(&sc->sc_tx_pending[i]); 602266505Shselasky } 603266505Shselasky 604253789Srpaulo for (i = 0; i < RSU_TX_LIST_COUNT; i++) { 605253789Srpaulo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, &sc->sc_tx[i], next); 606253789Srpaulo } 607253789Srpaulo 608253789Srpaulo return (0); 609253789Srpaulo} 610253789Srpaulo 611253789Srpaulostatic void 612253789Srpaulorsu_free_tx_list(struct rsu_softc *sc) 613253789Srpaulo{ 614266535Shselasky int i; 615266535Shselasky 616266535Shselasky /* prevent further allocations from TX list(s) */ 617266535Shselasky STAILQ_INIT(&sc->sc_tx_inactive); 618266535Shselasky 619267041Shselasky for (i = 0; i != RSU_N_TRANSFER; i++) { 620266535Shselasky STAILQ_INIT(&sc->sc_tx_active[i]); 621266535Shselasky STAILQ_INIT(&sc->sc_tx_pending[i]); 622266535Shselasky } 623266535Shselasky 624253789Srpaulo rsu_free_list(sc, sc->sc_tx, RSU_TX_LIST_COUNT); 625253789Srpaulo} 626253789Srpaulo 627253789Srpaulostatic void 628253789Srpaulorsu_free_rx_list(struct rsu_softc *sc) 629253789Srpaulo{ 630266535Shselasky /* prevent further allocations from RX list(s) */ 631266535Shselasky STAILQ_INIT(&sc->sc_rx_inactive); 632266535Shselasky STAILQ_INIT(&sc->sc_rx_active); 633266535Shselasky 634253789Srpaulo rsu_free_list(sc, sc->sc_rx, RSU_RX_LIST_COUNT); 635253789Srpaulo} 636253789Srpaulo 637253789Srpaulostatic void 638253789Srpaulorsu_free_list(struct rsu_softc *sc, struct rsu_data data[], int ndata) 639253789Srpaulo{ 640253789Srpaulo int i; 641253789Srpaulo 642253789Srpaulo for (i = 0; i < ndata; i++) { 643253789Srpaulo struct rsu_data *dp = &data[i]; 644253789Srpaulo 645253789Srpaulo if (dp->buf != NULL) { 646253789Srpaulo free(dp->buf, M_USBDEV); 647253789Srpaulo dp->buf = NULL; 648253789Srpaulo } 649253789Srpaulo if (dp->ni != NULL) { 650253789Srpaulo ieee80211_free_node(dp->ni); 651253789Srpaulo dp->ni = NULL; 652253789Srpaulo } 653253789Srpaulo } 654253789Srpaulo} 655253789Srpaulo 656253789Srpaulostatic struct rsu_data * 657253789Srpaulo_rsu_getbuf(struct rsu_softc *sc) 658253789Srpaulo{ 659253789Srpaulo struct rsu_data *bf; 660253789Srpaulo 661253789Srpaulo bf = STAILQ_FIRST(&sc->sc_tx_inactive); 662253789Srpaulo if (bf != NULL) 663253789Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_tx_inactive, next); 664253789Srpaulo else 665253789Srpaulo bf = NULL; 666253789Srpaulo if (bf == NULL) 667253789Srpaulo DPRINTF("out of xmit buffers\n"); 668253789Srpaulo return (bf); 669253789Srpaulo} 670253789Srpaulo 671253789Srpaulostatic struct rsu_data * 672253789Srpaulorsu_getbuf(struct rsu_softc *sc) 673253789Srpaulo{ 674253789Srpaulo struct rsu_data *bf; 675253789Srpaulo 676253789Srpaulo RSU_ASSERT_LOCKED(sc); 677253789Srpaulo 678253789Srpaulo bf = _rsu_getbuf(sc); 679253789Srpaulo if (bf == NULL) { 680253789Srpaulo struct ifnet *ifp = sc->sc_ifp; 681253789Srpaulo DPRINTF("stop queue\n"); 682253789Srpaulo ifp->if_drv_flags |= IFF_DRV_OACTIVE; 683253789Srpaulo } 684253789Srpaulo return (bf); 685253789Srpaulo} 686253789Srpaulo 687253789Srpaulostatic int 688253789Srpaulorsu_write_region_1(struct rsu_softc *sc, uint16_t addr, uint8_t *buf, 689253789Srpaulo int len) 690253789Srpaulo{ 691253789Srpaulo usb_device_request_t req; 692253789Srpaulo 693253789Srpaulo req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 694253789Srpaulo req.bRequest = R92S_REQ_REGS; 695253789Srpaulo USETW(req.wValue, addr); 696253789Srpaulo USETW(req.wIndex, 0); 697253789Srpaulo USETW(req.wLength, len); 698253789Srpaulo 699253789Srpaulo return (rsu_do_request(sc, &req, buf)); 700253789Srpaulo} 701253789Srpaulo 702253789Srpaulostatic void 703253789Srpaulorsu_write_1(struct rsu_softc *sc, uint16_t addr, uint8_t val) 704253789Srpaulo{ 705253789Srpaulo rsu_write_region_1(sc, addr, &val, 1); 706253789Srpaulo} 707253789Srpaulo 708253789Srpaulostatic void 709253789Srpaulorsu_write_2(struct rsu_softc *sc, uint16_t addr, uint16_t val) 710253789Srpaulo{ 711253789Srpaulo val = htole16(val); 712253789Srpaulo rsu_write_region_1(sc, addr, (uint8_t *)&val, 2); 713253789Srpaulo} 714253789Srpaulo 715253789Srpaulostatic void 716253789Srpaulorsu_write_4(struct rsu_softc *sc, uint16_t addr, uint32_t val) 717253789Srpaulo{ 718253789Srpaulo val = htole32(val); 719253789Srpaulo rsu_write_region_1(sc, addr, (uint8_t *)&val, 4); 720253789Srpaulo} 721253789Srpaulo 722253789Srpaulostatic int 723253789Srpaulorsu_read_region_1(struct rsu_softc *sc, uint16_t addr, uint8_t *buf, 724253789Srpaulo int len) 725253789Srpaulo{ 726253789Srpaulo usb_device_request_t req; 727253789Srpaulo 728253789Srpaulo req.bmRequestType = UT_READ_VENDOR_DEVICE; 729253789Srpaulo req.bRequest = R92S_REQ_REGS; 730253789Srpaulo USETW(req.wValue, addr); 731253789Srpaulo USETW(req.wIndex, 0); 732253789Srpaulo USETW(req.wLength, len); 733253789Srpaulo 734253789Srpaulo return (rsu_do_request(sc, &req, buf)); 735253789Srpaulo} 736253789Srpaulo 737253789Srpaulostatic uint8_t 738253789Srpaulorsu_read_1(struct rsu_softc *sc, uint16_t addr) 739253789Srpaulo{ 740253789Srpaulo uint8_t val; 741253789Srpaulo 742253789Srpaulo if (rsu_read_region_1(sc, addr, &val, 1) != 0) 743253789Srpaulo return (0xff); 744253789Srpaulo return (val); 745253789Srpaulo} 746253789Srpaulo 747253789Srpaulostatic uint16_t 748253789Srpaulorsu_read_2(struct rsu_softc *sc, uint16_t addr) 749253789Srpaulo{ 750253789Srpaulo uint16_t val; 751253789Srpaulo 752253789Srpaulo if (rsu_read_region_1(sc, addr, (uint8_t *)&val, 2) != 0) 753253789Srpaulo return (0xffff); 754253789Srpaulo return (le16toh(val)); 755253789Srpaulo} 756253789Srpaulo 757253789Srpaulostatic uint32_t 758253789Srpaulorsu_read_4(struct rsu_softc *sc, uint16_t addr) 759253789Srpaulo{ 760253789Srpaulo uint32_t val; 761253789Srpaulo 762253789Srpaulo if (rsu_read_region_1(sc, addr, (uint8_t *)&val, 4) != 0) 763253789Srpaulo return (0xffffffff); 764253789Srpaulo return (le32toh(val)); 765253789Srpaulo} 766253789Srpaulo 767253789Srpaulostatic int 768253789Srpaulorsu_fw_iocmd(struct rsu_softc *sc, uint32_t iocmd) 769253789Srpaulo{ 770253789Srpaulo int ntries; 771253789Srpaulo 772253789Srpaulo rsu_write_4(sc, R92S_IOCMD_CTRL, iocmd); 773266471Shselasky rsu_ms_delay(sc); 774253789Srpaulo for (ntries = 0; ntries < 50; ntries++) { 775253789Srpaulo if (rsu_read_4(sc, R92S_IOCMD_CTRL) == 0) 776253789Srpaulo return (0); 777266471Shselasky rsu_ms_delay(sc); 778253789Srpaulo } 779253789Srpaulo return (ETIMEDOUT); 780253789Srpaulo} 781253789Srpaulo 782253789Srpaulostatic uint8_t 783253789Srpaulorsu_efuse_read_1(struct rsu_softc *sc, uint16_t addr) 784253789Srpaulo{ 785253789Srpaulo uint32_t reg; 786253789Srpaulo int ntries; 787253789Srpaulo 788253789Srpaulo reg = rsu_read_4(sc, R92S_EFUSE_CTRL); 789253789Srpaulo reg = RW(reg, R92S_EFUSE_CTRL_ADDR, addr); 790253789Srpaulo reg &= ~R92S_EFUSE_CTRL_VALID; 791253789Srpaulo rsu_write_4(sc, R92S_EFUSE_CTRL, reg); 792253789Srpaulo /* Wait for read operation to complete. */ 793253789Srpaulo for (ntries = 0; ntries < 100; ntries++) { 794253789Srpaulo reg = rsu_read_4(sc, R92S_EFUSE_CTRL); 795253789Srpaulo if (reg & R92S_EFUSE_CTRL_VALID) 796253789Srpaulo return (MS(reg, R92S_EFUSE_CTRL_DATA)); 797266471Shselasky rsu_ms_delay(sc); 798253789Srpaulo } 799253789Srpaulo device_printf(sc->sc_dev, 800253789Srpaulo "could not read efuse byte at address 0x%x\n", addr); 801253789Srpaulo return (0xff); 802253789Srpaulo} 803253789Srpaulo 804253789Srpaulostatic int 805253789Srpaulorsu_read_rom(struct rsu_softc *sc) 806253789Srpaulo{ 807253789Srpaulo uint8_t *rom = sc->rom; 808253789Srpaulo uint16_t addr = 0; 809253789Srpaulo uint32_t reg; 810253789Srpaulo uint8_t off, msk; 811253789Srpaulo int i; 812253789Srpaulo 813253789Srpaulo /* Make sure that ROM type is eFuse and that autoload succeeded. */ 814253789Srpaulo reg = rsu_read_1(sc, R92S_EE_9346CR); 815253789Srpaulo if ((reg & (R92S_9356SEL | R92S_EEPROM_EN)) != R92S_EEPROM_EN) 816253789Srpaulo return (EIO); 817253789Srpaulo 818253789Srpaulo /* Turn on 2.5V to prevent eFuse leakage. */ 819253789Srpaulo reg = rsu_read_1(sc, R92S_EFUSE_TEST + 3); 820253789Srpaulo rsu_write_1(sc, R92S_EFUSE_TEST + 3, reg | 0x80); 821266471Shselasky rsu_ms_delay(sc); 822253789Srpaulo rsu_write_1(sc, R92S_EFUSE_TEST + 3, reg & ~0x80); 823253789Srpaulo 824253789Srpaulo /* Read full ROM image. */ 825253789Srpaulo memset(&sc->rom, 0xff, sizeof(sc->rom)); 826253789Srpaulo while (addr < 512) { 827253789Srpaulo reg = rsu_efuse_read_1(sc, addr); 828253789Srpaulo if (reg == 0xff) 829253789Srpaulo break; 830253789Srpaulo addr++; 831253789Srpaulo off = reg >> 4; 832253789Srpaulo msk = reg & 0xf; 833253789Srpaulo for (i = 0; i < 4; i++) { 834253789Srpaulo if (msk & (1 << i)) 835253789Srpaulo continue; 836253789Srpaulo rom[off * 8 + i * 2 + 0] = 837253789Srpaulo rsu_efuse_read_1(sc, addr); 838253789Srpaulo addr++; 839253789Srpaulo rom[off * 8 + i * 2 + 1] = 840253789Srpaulo rsu_efuse_read_1(sc, addr); 841253789Srpaulo addr++; 842253789Srpaulo } 843253789Srpaulo } 844253789Srpaulo#ifdef USB_DEBUG 845253789Srpaulo if (rsu_debug >= 5) { 846253789Srpaulo /* Dump ROM content. */ 847253789Srpaulo printf("\n"); 848253789Srpaulo for (i = 0; i < sizeof(sc->rom); i++) 849253789Srpaulo printf("%02x:", rom[i]); 850253789Srpaulo printf("\n"); 851253789Srpaulo } 852253789Srpaulo#endif 853253789Srpaulo return (0); 854253789Srpaulo} 855253789Srpaulo 856253789Srpaulostatic int 857253789Srpaulorsu_fw_cmd(struct rsu_softc *sc, uint8_t code, void *buf, int len) 858253789Srpaulo{ 859267041Shselasky const uint8_t which = rsu_wme_ac_xfer_map[WME_AC_VO]; 860253789Srpaulo struct rsu_data *data; 861253789Srpaulo struct r92s_tx_desc *txd; 862253789Srpaulo struct r92s_fw_cmd_hdr *cmd; 863266505Shselasky int cmdsz; 864266505Shselasky int xferlen; 865253789Srpaulo 866253789Srpaulo data = rsu_getbuf(sc); 867253789Srpaulo if (data == NULL) 868253789Srpaulo return (ENOMEM); 869253789Srpaulo 870253789Srpaulo /* Round-up command length to a multiple of 8 bytes. */ 871253789Srpaulo cmdsz = (len + 7) & ~7; 872253789Srpaulo 873253789Srpaulo xferlen = sizeof(*txd) + sizeof(*cmd) + cmdsz; 874253789Srpaulo KASSERT(xferlen <= RSU_TXBUFSZ, ("%s: invalid length", __func__)); 875253789Srpaulo memset(data->buf, 0, xferlen); 876253789Srpaulo 877253789Srpaulo /* Setup Tx descriptor. */ 878253789Srpaulo txd = (struct r92s_tx_desc *)data->buf; 879253789Srpaulo txd->txdw0 = htole32( 880253789Srpaulo SM(R92S_TXDW0_OFFSET, sizeof(*txd)) | 881253789Srpaulo SM(R92S_TXDW0_PKTLEN, sizeof(*cmd) + cmdsz) | 882253789Srpaulo R92S_TXDW0_OWN | R92S_TXDW0_FSG | R92S_TXDW0_LSG); 883253789Srpaulo txd->txdw1 = htole32(SM(R92S_TXDW1_QSEL, R92S_TXDW1_QSEL_H2C)); 884253789Srpaulo 885253789Srpaulo /* Setup command header. */ 886253789Srpaulo cmd = (struct r92s_fw_cmd_hdr *)&txd[1]; 887253789Srpaulo cmd->len = htole16(cmdsz); 888253789Srpaulo cmd->code = code; 889253789Srpaulo cmd->seq = sc->cmd_seq; 890253789Srpaulo sc->cmd_seq = (sc->cmd_seq + 1) & 0x7f; 891253789Srpaulo 892253789Srpaulo /* Copy command payload. */ 893253789Srpaulo memcpy(&cmd[1], buf, len); 894253789Srpaulo 895253789Srpaulo DPRINTFN(2, "Tx cmd code=0x%x len=0x%x\n", code, cmdsz); 896253789Srpaulo data->buflen = xferlen; 897266505Shselasky STAILQ_INSERT_TAIL(&sc->sc_tx_pending[which], data, next); 898267041Shselasky usbd_transfer_start(sc->sc_xfer[which]); 899253789Srpaulo 900253789Srpaulo return (0); 901253789Srpaulo} 902253789Srpaulo 903253789Srpaulo/* ARGSUSED */ 904253789Srpaulostatic void 905253789Srpaulorsu_calib_task(void *arg, int pending __unused) 906253789Srpaulo{ 907253789Srpaulo struct rsu_softc *sc = arg; 908253789Srpaulo uint32_t reg; 909253789Srpaulo 910253789Srpaulo DPRINTFN(6, "running calibration task\n"); 911267041Shselasky 912253789Srpaulo RSU_LOCK(sc); 913253789Srpaulo#ifdef notyet 914253789Srpaulo /* Read WPS PBC status. */ 915253789Srpaulo rsu_write_1(sc, R92S_MAC_PINMUX_CTRL, 916253789Srpaulo R92S_GPIOMUX_EN | SM(R92S_GPIOSEL_GPIO, R92S_GPIOSEL_GPIO_JTAG)); 917253789Srpaulo rsu_write_1(sc, R92S_GPIO_IO_SEL, 918253789Srpaulo rsu_read_1(sc, R92S_GPIO_IO_SEL) & ~R92S_GPIO_WPS); 919253789Srpaulo reg = rsu_read_1(sc, R92S_GPIO_CTRL); 920253789Srpaulo if (reg != 0xff && (reg & R92S_GPIO_WPS)) 921253789Srpaulo DPRINTF(("WPS PBC is pushed\n")); 922253789Srpaulo#endif 923253789Srpaulo /* Read current signal level. */ 924253789Srpaulo if (rsu_fw_iocmd(sc, 0xf4000001) == 0) { 925253789Srpaulo reg = rsu_read_4(sc, R92S_IOCMD_DATA); 926253789Srpaulo DPRINTFN(8, "RSSI=%d%%\n", reg >> 4); 927253789Srpaulo } 928267041Shselasky if (sc->sc_calibrating) 929267041Shselasky taskqueue_enqueue_timeout(taskqueue_thread, &sc->calib_task, hz); 930267041Shselasky RSU_UNLOCK(sc); 931253789Srpaulo} 932253789Srpaulo 933253789Srpaulostatic int 934253789Srpaulorsu_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 935253789Srpaulo{ 936253789Srpaulo struct rsu_vap *uvp = RSU_VAP(vap); 937253789Srpaulo struct ieee80211com *ic = vap->iv_ic; 938253789Srpaulo struct rsu_softc *sc = ic->ic_ifp->if_softc; 939253789Srpaulo struct ieee80211_node *ni; 940253789Srpaulo struct ieee80211_rateset *rs; 941253789Srpaulo enum ieee80211_state ostate; 942253789Srpaulo int error, startcal = 0; 943253789Srpaulo 944253789Srpaulo ostate = vap->iv_state; 945253789Srpaulo DPRINTF("%s -> %s\n", ieee80211_state_name[ostate], 946253789Srpaulo ieee80211_state_name[nstate]); 947253789Srpaulo 948253789Srpaulo IEEE80211_UNLOCK(ic); 949253789Srpaulo if (ostate == IEEE80211_S_RUN) { 950253789Srpaulo RSU_LOCK(sc); 951253789Srpaulo /* Stop calibration. */ 952253789Srpaulo sc->sc_calibrating = 0; 953253789Srpaulo RSU_UNLOCK(sc); 954253789Srpaulo taskqueue_drain_timeout(taskqueue_thread, &sc->calib_task); 955253789Srpaulo /* Disassociate from our current BSS. */ 956253789Srpaulo RSU_LOCK(sc); 957253789Srpaulo rsu_disconnect(sc); 958253789Srpaulo } else 959253789Srpaulo RSU_LOCK(sc); 960253789Srpaulo switch (nstate) { 961253789Srpaulo case IEEE80211_S_INIT: 962253789Srpaulo break; 963253789Srpaulo case IEEE80211_S_AUTH: 964253789Srpaulo ni = ieee80211_ref_node(vap->iv_bss); 965253789Srpaulo error = rsu_join_bss(sc, ni); 966253789Srpaulo ieee80211_free_node(ni); 967253789Srpaulo if (error != 0) { 968253789Srpaulo device_printf(sc->sc_dev, 969253789Srpaulo "could not send join command\n"); 970253789Srpaulo } 971253789Srpaulo break; 972253789Srpaulo case IEEE80211_S_RUN: 973253789Srpaulo ni = ieee80211_ref_node(vap->iv_bss); 974253789Srpaulo rs = &ni->ni_rates; 975253789Srpaulo /* Indicate highest supported rate. */ 976253789Srpaulo ni->ni_txrate = rs->rs_rates[rs->rs_nrates - 1]; 977253789Srpaulo ieee80211_free_node(ni); 978253789Srpaulo startcal = 1; 979253789Srpaulo break; 980253789Srpaulo default: 981253789Srpaulo break; 982253789Srpaulo } 983253789Srpaulo sc->sc_calibrating = 1; 984267041Shselasky /* Start periodic calibration. */ 985267041Shselasky taskqueue_enqueue_timeout(taskqueue_thread, &sc->calib_task, hz); 986253789Srpaulo RSU_UNLOCK(sc); 987253789Srpaulo IEEE80211_LOCK(ic); 988253789Srpaulo return (uvp->newstate(vap, nstate, arg)); 989253789Srpaulo} 990253789Srpaulo 991253789Srpaulo#ifdef notyet 992253789Srpaulostatic void 993253789Srpaulorsu_set_key(struct rsu_softc *sc, const struct ieee80211_key *k) 994253789Srpaulo{ 995253789Srpaulo struct r92s_fw_cmd_set_key key; 996253789Srpaulo 997253789Srpaulo memset(&key, 0, sizeof(key)); 998253789Srpaulo /* Map net80211 cipher to HW crypto algorithm. */ 999253789Srpaulo switch (k->wk_cipher->ic_cipher) { 1000253789Srpaulo case IEEE80211_CIPHER_WEP: 1001253789Srpaulo if (k->wk_keylen < 8) 1002253789Srpaulo key.algo = R92S_KEY_ALGO_WEP40; 1003253789Srpaulo else 1004253789Srpaulo key.algo = R92S_KEY_ALGO_WEP104; 1005253789Srpaulo break; 1006253789Srpaulo case IEEE80211_CIPHER_TKIP: 1007253789Srpaulo key.algo = R92S_KEY_ALGO_TKIP; 1008253789Srpaulo break; 1009253789Srpaulo case IEEE80211_CIPHER_AES_CCM: 1010253789Srpaulo key.algo = R92S_KEY_ALGO_AES; 1011253789Srpaulo break; 1012253789Srpaulo default: 1013253789Srpaulo return; 1014253789Srpaulo } 1015253789Srpaulo key.id = k->wk_keyix; 1016253789Srpaulo key.grpkey = (k->wk_flags & IEEE80211_KEY_GROUP) != 0; 1017253789Srpaulo memcpy(key.key, k->wk_key, MIN(k->wk_keylen, sizeof(key.key))); 1018253789Srpaulo (void)rsu_fw_cmd(sc, R92S_CMD_SET_KEY, &key, sizeof(key)); 1019253789Srpaulo} 1020253789Srpaulo 1021253789Srpaulostatic void 1022253789Srpaulorsu_delete_key(struct rsu_softc *sc, const struct ieee80211_key *k) 1023253789Srpaulo{ 1024253789Srpaulo struct r92s_fw_cmd_set_key key; 1025253789Srpaulo 1026253789Srpaulo memset(&key, 0, sizeof(key)); 1027253789Srpaulo key.id = k->wk_keyix; 1028253789Srpaulo (void)rsu_fw_cmd(sc, R92S_CMD_SET_KEY, &key, sizeof(key)); 1029253789Srpaulo} 1030253789Srpaulo#endif 1031253789Srpaulo 1032253789Srpaulostatic int 1033253789Srpaulorsu_site_survey(struct rsu_softc *sc, struct ieee80211vap *vap) 1034253789Srpaulo{ 1035253789Srpaulo struct r92s_fw_cmd_sitesurvey cmd; 1036253789Srpaulo struct ifnet *ifp = sc->sc_ifp; 1037253789Srpaulo struct ieee80211com *ic = ifp->if_l2com; 1038253789Srpaulo 1039253789Srpaulo memset(&cmd, 0, sizeof(cmd)); 1040253789Srpaulo if ((ic->ic_flags & IEEE80211_F_ASCAN) || sc->scan_pass == 1) 1041253789Srpaulo cmd.active = htole32(1); 1042253789Srpaulo cmd.limit = htole32(48); 1043253789Srpaulo if (sc->scan_pass == 1 && vap->iv_des_nssid > 0) { 1044253789Srpaulo /* Do a directed scan for second pass. */ 1045253789Srpaulo cmd.ssidlen = htole32(vap->iv_des_ssid[0].len); 1046253789Srpaulo memcpy(cmd.ssid, vap->iv_des_ssid[0].ssid, 1047253789Srpaulo vap->iv_des_ssid[0].len); 1048253789Srpaulo 1049253789Srpaulo } 1050253789Srpaulo DPRINTF("sending site survey command, pass=%d\n", sc->scan_pass); 1051253789Srpaulo return (rsu_fw_cmd(sc, R92S_CMD_SITE_SURVEY, &cmd, sizeof(cmd))); 1052253789Srpaulo} 1053253789Srpaulo 1054253789Srpaulostatic int 1055253789Srpaulorsu_join_bss(struct rsu_softc *sc, struct ieee80211_node *ni) 1056253789Srpaulo{ 1057253789Srpaulo struct ifnet *ifp = sc->sc_ifp; 1058253789Srpaulo struct ieee80211com *ic = ifp->if_l2com; 1059253789Srpaulo struct ieee80211vap *vap = ni->ni_vap; 1060253789Srpaulo struct ndis_wlan_bssid_ex *bss; 1061253789Srpaulo struct ndis_802_11_fixed_ies *fixed; 1062253789Srpaulo struct r92s_fw_cmd_auth auth; 1063267066Shselasky uint8_t buf[sizeof(*bss) + 128] __aligned(4); 1064267066Shselasky uint8_t *frm; 1065253789Srpaulo uint8_t opmode; 1066253789Srpaulo int error; 1067253789Srpaulo 1068253789Srpaulo /* Let the FW decide the opmode based on the capinfo field. */ 1069253789Srpaulo opmode = NDIS802_11AUTOUNKNOWN; 1070253789Srpaulo DPRINTF("setting operating mode to %d\n", opmode); 1071253789Srpaulo error = rsu_fw_cmd(sc, R92S_CMD_SET_OPMODE, &opmode, sizeof(opmode)); 1072253789Srpaulo if (error != 0) 1073253789Srpaulo return (error); 1074253789Srpaulo 1075253789Srpaulo memset(&auth, 0, sizeof(auth)); 1076253789Srpaulo if (vap->iv_flags & IEEE80211_F_WPA) { 1077253789Srpaulo auth.mode = R92S_AUTHMODE_WPA; 1078267066Shselasky auth.dot1x = (ni->ni_authmode == IEEE80211_AUTH_8021X); 1079253789Srpaulo } else 1080253789Srpaulo auth.mode = R92S_AUTHMODE_OPEN; 1081253789Srpaulo DPRINTF("setting auth mode to %d\n", auth.mode); 1082253789Srpaulo error = rsu_fw_cmd(sc, R92S_CMD_SET_AUTH, &auth, sizeof(auth)); 1083253789Srpaulo if (error != 0) 1084253789Srpaulo return (error); 1085253789Srpaulo 1086253789Srpaulo memset(buf, 0, sizeof(buf)); 1087253789Srpaulo bss = (struct ndis_wlan_bssid_ex *)buf; 1088253789Srpaulo IEEE80211_ADDR_COPY(bss->macaddr, ni->ni_bssid); 1089253789Srpaulo bss->ssid.ssidlen = htole32(ni->ni_esslen); 1090253789Srpaulo memcpy(bss->ssid.ssid, ni->ni_essid, ni->ni_esslen); 1091253789Srpaulo if (vap->iv_flags & (IEEE80211_F_PRIVACY | IEEE80211_F_WPA)) 1092253789Srpaulo bss->privacy = htole32(1); 1093253789Srpaulo bss->rssi = htole32(ni->ni_avgrssi); 1094253789Srpaulo if (ic->ic_curmode == IEEE80211_MODE_11B) 1095253789Srpaulo bss->networktype = htole32(NDIS802_11DS); 1096253789Srpaulo else 1097253789Srpaulo bss->networktype = htole32(NDIS802_11OFDM24); 1098253789Srpaulo bss->config.len = htole32(sizeof(bss->config)); 1099253789Srpaulo bss->config.bintval = htole32(ni->ni_intval); 1100253789Srpaulo bss->config.dsconfig = htole32(ieee80211_chan2ieee(ic, ni->ni_chan)); 1101253789Srpaulo bss->inframode = htole32(NDIS802_11INFRASTRUCTURE); 1102253789Srpaulo memcpy(bss->supprates, ni->ni_rates.rs_rates, 1103253789Srpaulo ni->ni_rates.rs_nrates); 1104253789Srpaulo /* Write the fixed fields of the beacon frame. */ 1105253789Srpaulo fixed = (struct ndis_802_11_fixed_ies *)&bss[1]; 1106253789Srpaulo memcpy(&fixed->tstamp, ni->ni_tstamp.data, 8); 1107253789Srpaulo fixed->bintval = htole16(ni->ni_intval); 1108253789Srpaulo fixed->capabilities = htole16(ni->ni_capinfo); 1109253789Srpaulo /* Write IEs to be included in the association request. */ 1110253789Srpaulo frm = (uint8_t *)&fixed[1]; 1111253789Srpaulo frm = ieee80211_add_rsn(frm, vap); 1112253789Srpaulo frm = ieee80211_add_wpa(frm, vap); 1113253789Srpaulo frm = ieee80211_add_qos(frm, ni); 1114253789Srpaulo if (ni->ni_flags & IEEE80211_NODE_HT) 1115253789Srpaulo frm = ieee80211_add_htcap(frm, ni); 1116253789Srpaulo bss->ieslen = htole32(frm - (uint8_t *)fixed); 1117253789Srpaulo bss->len = htole32(((frm - buf) + 3) & ~3); 1118253789Srpaulo DPRINTF("sending join bss command to %s chan %d\n", 1119253789Srpaulo ether_sprintf(bss->macaddr), le32toh(bss->config.dsconfig)); 1120253789Srpaulo return (rsu_fw_cmd(sc, R92S_CMD_JOIN_BSS, buf, sizeof(buf))); 1121253789Srpaulo} 1122253789Srpaulo 1123253789Srpaulostatic int 1124253789Srpaulorsu_disconnect(struct rsu_softc *sc) 1125253789Srpaulo{ 1126253789Srpaulo uint32_t zero = 0; /* :-) */ 1127253789Srpaulo 1128253789Srpaulo /* Disassociate from our current BSS. */ 1129253789Srpaulo DPRINTF("sending disconnect command\n"); 1130253789Srpaulo return (rsu_fw_cmd(sc, R92S_CMD_DISCONNECT, &zero, sizeof(zero))); 1131253789Srpaulo} 1132253789Srpaulo 1133253789Srpaulostatic void 1134253789Srpaulorsu_event_survey(struct rsu_softc *sc, uint8_t *buf, int len) 1135253789Srpaulo{ 1136253789Srpaulo struct ifnet *ifp = sc->sc_ifp; 1137253789Srpaulo struct ieee80211com *ic = ifp->if_l2com; 1138253789Srpaulo struct ieee80211_frame *wh; 1139253789Srpaulo struct ieee80211_channel *c; 1140253789Srpaulo struct ndis_wlan_bssid_ex *bss; 1141253789Srpaulo struct mbuf *m; 1142253789Srpaulo int pktlen; 1143253789Srpaulo 1144253789Srpaulo if (__predict_false(len < sizeof(*bss))) 1145253789Srpaulo return; 1146253789Srpaulo bss = (struct ndis_wlan_bssid_ex *)buf; 1147253789Srpaulo if (__predict_false(len < sizeof(*bss) + le32toh(bss->ieslen))) 1148253789Srpaulo return; 1149253789Srpaulo 1150253789Srpaulo DPRINTFN(2, "found BSS %s: len=%d chan=%d inframode=%d " 1151253789Srpaulo "networktype=%d privacy=%d\n", 1152253789Srpaulo ether_sprintf(bss->macaddr), le32toh(bss->len), 1153253789Srpaulo le32toh(bss->config.dsconfig), le32toh(bss->inframode), 1154253789Srpaulo le32toh(bss->networktype), le32toh(bss->privacy)); 1155253789Srpaulo 1156253789Srpaulo /* Build a fake beacon frame to let net80211 do all the parsing. */ 1157253789Srpaulo pktlen = sizeof(*wh) + le32toh(bss->ieslen); 1158253789Srpaulo if (__predict_false(pktlen > MCLBYTES)) 1159253789Srpaulo return; 1160260513Skevlo m = m_get2(pktlen, M_NOWAIT, MT_DATA, M_PKTHDR); 1161253789Srpaulo if (__predict_false(m == NULL)) 1162253789Srpaulo return; 1163253789Srpaulo wh = mtod(m, struct ieee80211_frame *); 1164253789Srpaulo wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 1165253789Srpaulo IEEE80211_FC0_SUBTYPE_BEACON; 1166253789Srpaulo wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 1167258919Shselasky USETW(wh->i_dur, 0); 1168253789Srpaulo IEEE80211_ADDR_COPY(wh->i_addr1, ifp->if_broadcastaddr); 1169253789Srpaulo IEEE80211_ADDR_COPY(wh->i_addr2, bss->macaddr); 1170253789Srpaulo IEEE80211_ADDR_COPY(wh->i_addr3, bss->macaddr); 1171253789Srpaulo *(uint16_t *)wh->i_seq = 0; 1172253789Srpaulo memcpy(&wh[1], (uint8_t *)&bss[1], le32toh(bss->ieslen)); 1173253789Srpaulo 1174253789Srpaulo /* Finalize mbuf. */ 1175253789Srpaulo m->m_pkthdr.len = m->m_len = pktlen; 1176253789Srpaulo m->m_pkthdr.rcvif = ifp; 1177253789Srpaulo /* Fix the channel. */ 1178253789Srpaulo c = ieee80211_find_channel_byieee(ic, 1179253789Srpaulo le32toh(bss->config.dsconfig), 1180253789Srpaulo IEEE80211_CHAN_G); 1181253789Srpaulo if (c) { 1182253789Srpaulo ic->ic_curchan = c; 1183253789Srpaulo ieee80211_radiotap_chan_change(ic); 1184253789Srpaulo } 1185253789Srpaulo /* XXX avoid a LOR */ 1186253789Srpaulo RSU_UNLOCK(sc); 1187253789Srpaulo ieee80211_input_all(ic, m, le32toh(bss->rssi), 0); 1188253789Srpaulo RSU_LOCK(sc); 1189253789Srpaulo} 1190253789Srpaulo 1191253789Srpaulostatic void 1192253789Srpaulorsu_event_join_bss(struct rsu_softc *sc, uint8_t *buf, int len) 1193253789Srpaulo{ 1194253789Srpaulo struct ifnet *ifp = sc->sc_ifp; 1195253789Srpaulo struct ieee80211com *ic = ifp->if_l2com; 1196253789Srpaulo struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1197253789Srpaulo struct ieee80211_node *ni = vap->iv_bss; 1198253789Srpaulo struct r92s_event_join_bss *rsp; 1199267066Shselasky uint32_t tmp; 1200253789Srpaulo int res; 1201253789Srpaulo 1202253789Srpaulo if (__predict_false(len < sizeof(*rsp))) 1203253789Srpaulo return; 1204253789Srpaulo rsp = (struct r92s_event_join_bss *)buf; 1205253789Srpaulo res = (int)le32toh(rsp->join_res); 1206253789Srpaulo 1207253789Srpaulo DPRINTF("Rx join BSS event len=%d res=%d\n", len, res); 1208253789Srpaulo if (res <= 0) { 1209253789Srpaulo RSU_UNLOCK(sc); 1210253789Srpaulo ieee80211_new_state(vap, IEEE80211_S_SCAN, -1); 1211253789Srpaulo RSU_LOCK(sc); 1212253789Srpaulo return; 1213253789Srpaulo } 1214267066Shselasky tmp = le32toh(rsp->associd); 1215267066Shselasky if (tmp >= vap->iv_max_aid) { 1216267066Shselasky DPRINTF("Assoc ID overflow\n"); 1217267066Shselasky tmp = 1; 1218267066Shselasky } 1219253789Srpaulo DPRINTF("associated with %s associd=%d\n", 1220267066Shselasky ether_sprintf(rsp->bss.macaddr), tmp); 1221267066Shselasky ni->ni_associd = tmp | 0xc000; 1222253789Srpaulo RSU_UNLOCK(sc); 1223253789Srpaulo ieee80211_new_state(vap, IEEE80211_S_RUN, 1224253789Srpaulo IEEE80211_FC0_SUBTYPE_ASSOC_RESP); 1225253789Srpaulo RSU_LOCK(sc); 1226253789Srpaulo} 1227253789Srpaulo 1228253789Srpaulostatic void 1229253789Srpaulorsu_rx_event(struct rsu_softc *sc, uint8_t code, uint8_t *buf, int len) 1230253789Srpaulo{ 1231253789Srpaulo struct ifnet *ifp = sc->sc_ifp; 1232253789Srpaulo struct ieee80211com *ic = ifp->if_l2com; 1233253789Srpaulo struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1234253789Srpaulo 1235253789Srpaulo DPRINTFN(4, "Rx event code=%d len=%d\n", code, len); 1236253789Srpaulo switch (code) { 1237253789Srpaulo case R92S_EVT_SURVEY: 1238253789Srpaulo if (vap->iv_state == IEEE80211_S_SCAN) 1239253789Srpaulo rsu_event_survey(sc, buf, len); 1240253789Srpaulo break; 1241253789Srpaulo case R92S_EVT_SURVEY_DONE: 1242253789Srpaulo DPRINTF("site survey pass %d done, found %d BSS\n", 1243253789Srpaulo sc->scan_pass, le32toh(*(uint32_t *)buf)); 1244253789Srpaulo if (vap->iv_state != IEEE80211_S_SCAN) 1245253789Srpaulo break; /* Ignore if not scanning. */ 1246253789Srpaulo if (sc->scan_pass == 0 && vap->iv_des_nssid != 0) { 1247253789Srpaulo /* Schedule a directed scan for hidden APs. */ 1248253789Srpaulo sc->scan_pass = 1; 1249253789Srpaulo RSU_UNLOCK(sc); 1250253789Srpaulo ieee80211_new_state(vap, IEEE80211_S_SCAN, -1); 1251253789Srpaulo RSU_LOCK(sc); 1252253789Srpaulo break; 1253253789Srpaulo } 1254253789Srpaulo sc->scan_pass = 0; 1255253789Srpaulo break; 1256253789Srpaulo case R92S_EVT_JOIN_BSS: 1257253789Srpaulo if (vap->iv_state == IEEE80211_S_AUTH) 1258253789Srpaulo rsu_event_join_bss(sc, buf, len); 1259253789Srpaulo break; 1260267041Shselasky#if 0 1261267041ShselaskyXXX This event is occurring regularly, possibly due to some power saving event 1262267041ShselaskyXXX and disrupts the WLAN traffic. Disable for now. 1263253789Srpaulo case R92S_EVT_DEL_STA: 1264253789Srpaulo DPRINTF("disassociated from %s\n", ether_sprintf(buf)); 1265253789Srpaulo if (vap->iv_state == IEEE80211_S_RUN && 1266253789Srpaulo IEEE80211_ADDR_EQ(vap->iv_bss->ni_bssid, buf)) { 1267253789Srpaulo RSU_UNLOCK(sc); 1268253789Srpaulo ieee80211_new_state(vap, IEEE80211_S_SCAN, -1); 1269253789Srpaulo RSU_LOCK(sc); 1270253789Srpaulo } 1271253789Srpaulo break; 1272267041Shselasky#endif 1273253789Srpaulo case R92S_EVT_WPS_PBC: 1274253789Srpaulo DPRINTF("WPS PBC pushed.\n"); 1275253789Srpaulo break; 1276253789Srpaulo case R92S_EVT_FWDBG: 1277253789Srpaulo if (ifp->if_flags & IFF_DEBUG) { 1278253789Srpaulo buf[60] = '\0'; 1279253789Srpaulo printf("FWDBG: %s\n", (char *)buf); 1280253789Srpaulo } 1281253789Srpaulo break; 1282267041Shselasky default: 1283267041Shselasky break; 1284253789Srpaulo } 1285253789Srpaulo} 1286253789Srpaulo 1287253789Srpaulostatic void 1288253789Srpaulorsu_rx_multi_event(struct rsu_softc *sc, uint8_t *buf, int len) 1289253789Srpaulo{ 1290253789Srpaulo struct r92s_fw_cmd_hdr *cmd; 1291253789Srpaulo int cmdsz; 1292253789Srpaulo 1293253789Srpaulo DPRINTFN(6, "Rx events len=%d\n", len); 1294253789Srpaulo 1295253789Srpaulo /* Skip Rx status. */ 1296253789Srpaulo buf += sizeof(struct r92s_rx_stat); 1297253789Srpaulo len -= sizeof(struct r92s_rx_stat); 1298253789Srpaulo 1299253789Srpaulo /* Process all events. */ 1300253789Srpaulo for (;;) { 1301253789Srpaulo /* Check that command header fits. */ 1302253789Srpaulo if (__predict_false(len < sizeof(*cmd))) 1303253789Srpaulo break; 1304253789Srpaulo cmd = (struct r92s_fw_cmd_hdr *)buf; 1305253789Srpaulo /* Check that command payload fits. */ 1306253789Srpaulo cmdsz = le16toh(cmd->len); 1307253789Srpaulo if (__predict_false(len < sizeof(*cmd) + cmdsz)) 1308253789Srpaulo break; 1309253789Srpaulo 1310253789Srpaulo /* Process firmware event. */ 1311253789Srpaulo rsu_rx_event(sc, cmd->code, (uint8_t *)&cmd[1], cmdsz); 1312253789Srpaulo 1313253789Srpaulo if (!(cmd->seq & R92S_FW_CMD_MORE)) 1314253789Srpaulo break; 1315253789Srpaulo buf += sizeof(*cmd) + cmdsz; 1316253789Srpaulo len -= sizeof(*cmd) + cmdsz; 1317253789Srpaulo } 1318253789Srpaulo} 1319253789Srpaulo 1320253789Srpaulostatic int8_t 1321253789Srpaulorsu_get_rssi(struct rsu_softc *sc, int rate, void *physt) 1322253789Srpaulo{ 1323253789Srpaulo static const int8_t cckoff[] = { 14, -2, -20, -40 }; 1324253789Srpaulo struct r92s_rx_phystat *phy; 1325253789Srpaulo struct r92s_rx_cck *cck; 1326253789Srpaulo uint8_t rpt; 1327253789Srpaulo int8_t rssi; 1328253789Srpaulo 1329253789Srpaulo if (rate <= 3) { 1330253789Srpaulo cck = (struct r92s_rx_cck *)physt; 1331253789Srpaulo rpt = (cck->agc_rpt >> 6) & 0x3; 1332253789Srpaulo rssi = cck->agc_rpt & 0x3e; 1333253789Srpaulo rssi = cckoff[rpt] - rssi; 1334253789Srpaulo } else { /* OFDM/HT. */ 1335253789Srpaulo phy = (struct r92s_rx_phystat *)physt; 1336253789Srpaulo rssi = ((le32toh(phy->phydw1) >> 1) & 0x7f) - 106; 1337253789Srpaulo } 1338253789Srpaulo return (rssi); 1339253789Srpaulo} 1340253789Srpaulo 1341253789Srpaulostatic struct mbuf * 1342253789Srpaulorsu_rx_frame(struct rsu_softc *sc, uint8_t *buf, int pktlen, int *rssi) 1343253789Srpaulo{ 1344253789Srpaulo struct ifnet *ifp = sc->sc_ifp; 1345253789Srpaulo struct ieee80211com *ic = ifp->if_l2com; 1346253789Srpaulo struct ieee80211_frame *wh; 1347253789Srpaulo struct r92s_rx_stat *stat; 1348253789Srpaulo uint32_t rxdw0, rxdw3; 1349253789Srpaulo struct mbuf *m; 1350253789Srpaulo uint8_t rate; 1351253789Srpaulo int infosz; 1352253789Srpaulo 1353253789Srpaulo stat = (struct r92s_rx_stat *)buf; 1354253789Srpaulo rxdw0 = le32toh(stat->rxdw0); 1355253789Srpaulo rxdw3 = le32toh(stat->rxdw3); 1356253789Srpaulo 1357253789Srpaulo if (__predict_false(rxdw0 & R92S_RXDW0_CRCERR)) { 1358271866Sglebius if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1359253789Srpaulo return NULL; 1360253789Srpaulo } 1361253789Srpaulo if (__predict_false(pktlen < sizeof(*wh) || pktlen > MCLBYTES)) { 1362271866Sglebius if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1363253789Srpaulo return NULL; 1364253789Srpaulo } 1365253789Srpaulo 1366253789Srpaulo rate = MS(rxdw3, R92S_RXDW3_RATE); 1367253789Srpaulo infosz = MS(rxdw0, R92S_RXDW0_INFOSZ) * 8; 1368253789Srpaulo 1369253789Srpaulo /* Get RSSI from PHY status descriptor if present. */ 1370253789Srpaulo if (infosz != 0) 1371253789Srpaulo *rssi = rsu_get_rssi(sc, rate, &stat[1]); 1372253789Srpaulo else 1373253789Srpaulo *rssi = 0; 1374253789Srpaulo 1375253789Srpaulo DPRINTFN(5, "Rx frame len=%d rate=%d infosz=%d rssi=%d\n", 1376253789Srpaulo pktlen, rate, infosz, *rssi); 1377253789Srpaulo 1378260513Skevlo m = m_get2(pktlen, M_NOWAIT, MT_DATA, M_PKTHDR); 1379253789Srpaulo if (__predict_false(m == NULL)) { 1380271866Sglebius if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1381253789Srpaulo return NULL; 1382253789Srpaulo } 1383253789Srpaulo /* Finalize mbuf. */ 1384253789Srpaulo m->m_pkthdr.rcvif = ifp; 1385253789Srpaulo /* Hardware does Rx TCP checksum offload. */ 1386253789Srpaulo if (rxdw3 & R92S_RXDW3_TCPCHKVALID) { 1387253789Srpaulo if (__predict_true(rxdw3 & R92S_RXDW3_TCPCHKRPT)) 1388253789Srpaulo m->m_pkthdr.csum_flags |= CSUM_DATA_VALID; 1389253789Srpaulo } 1390253789Srpaulo wh = (struct ieee80211_frame *)((uint8_t *)&stat[1] + infosz); 1391253789Srpaulo memcpy(mtod(m, uint8_t *), wh, pktlen); 1392253789Srpaulo m->m_pkthdr.len = m->m_len = pktlen; 1393253789Srpaulo 1394253789Srpaulo if (ieee80211_radiotap_active(ic)) { 1395253789Srpaulo struct rsu_rx_radiotap_header *tap = &sc->sc_rxtap; 1396253789Srpaulo 1397253789Srpaulo /* Map HW rate index to 802.11 rate. */ 1398253789Srpaulo tap->wr_flags = 2; 1399253789Srpaulo if (!(rxdw3 & R92S_RXDW3_HTC)) { 1400253789Srpaulo switch (rate) { 1401253789Srpaulo /* CCK. */ 1402253789Srpaulo case 0: tap->wr_rate = 2; break; 1403253789Srpaulo case 1: tap->wr_rate = 4; break; 1404253789Srpaulo case 2: tap->wr_rate = 11; break; 1405253789Srpaulo case 3: tap->wr_rate = 22; break; 1406253789Srpaulo /* OFDM. */ 1407253789Srpaulo case 4: tap->wr_rate = 12; break; 1408253789Srpaulo case 5: tap->wr_rate = 18; break; 1409253789Srpaulo case 6: tap->wr_rate = 24; break; 1410253789Srpaulo case 7: tap->wr_rate = 36; break; 1411253789Srpaulo case 8: tap->wr_rate = 48; break; 1412253789Srpaulo case 9: tap->wr_rate = 72; break; 1413253789Srpaulo case 10: tap->wr_rate = 96; break; 1414253789Srpaulo case 11: tap->wr_rate = 108; break; 1415253789Srpaulo } 1416253789Srpaulo } else if (rate >= 12) { /* MCS0~15. */ 1417253789Srpaulo /* Bit 7 set means HT MCS instead of rate. */ 1418253789Srpaulo tap->wr_rate = 0x80 | (rate - 12); 1419253789Srpaulo } 1420253789Srpaulo tap->wr_dbm_antsignal = *rssi; 1421253789Srpaulo tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1422253789Srpaulo tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1423253789Srpaulo } 1424253789Srpaulo 1425253789Srpaulo return (m); 1426253789Srpaulo} 1427253789Srpaulo 1428253789Srpaulostatic struct mbuf * 1429253789Srpaulorsu_rx_multi_frame(struct rsu_softc *sc, uint8_t *buf, int len, int *rssi) 1430253789Srpaulo{ 1431253789Srpaulo struct r92s_rx_stat *stat; 1432253789Srpaulo uint32_t rxdw0; 1433253789Srpaulo int totlen, pktlen, infosz, npkts; 1434253789Srpaulo struct mbuf *m, *m0 = NULL, *prevm = NULL; 1435253789Srpaulo 1436253789Srpaulo /* Get the number of encapsulated frames. */ 1437253789Srpaulo stat = (struct r92s_rx_stat *)buf; 1438253789Srpaulo npkts = MS(le32toh(stat->rxdw2), R92S_RXDW2_PKTCNT); 1439253789Srpaulo DPRINTFN(6, "Rx %d frames in one chunk\n", npkts); 1440253789Srpaulo 1441253789Srpaulo /* Process all of them. */ 1442253789Srpaulo while (npkts-- > 0) { 1443253789Srpaulo if (__predict_false(len < sizeof(*stat))) 1444253789Srpaulo break; 1445253789Srpaulo stat = (struct r92s_rx_stat *)buf; 1446253789Srpaulo rxdw0 = le32toh(stat->rxdw0); 1447253789Srpaulo 1448253789Srpaulo pktlen = MS(rxdw0, R92S_RXDW0_PKTLEN); 1449253789Srpaulo if (__predict_false(pktlen == 0)) 1450253789Srpaulo break; 1451253789Srpaulo 1452253789Srpaulo infosz = MS(rxdw0, R92S_RXDW0_INFOSZ) * 8; 1453253789Srpaulo 1454253789Srpaulo /* Make sure everything fits in xfer. */ 1455253789Srpaulo totlen = sizeof(*stat) + infosz + pktlen; 1456253789Srpaulo if (__predict_false(totlen > len)) 1457253789Srpaulo break; 1458253789Srpaulo 1459253789Srpaulo /* Process 802.11 frame. */ 1460253789Srpaulo m = rsu_rx_frame(sc, buf, pktlen, rssi); 1461253789Srpaulo if (m0 == NULL) 1462253789Srpaulo m0 = m; 1463253789Srpaulo if (prevm == NULL) 1464253789Srpaulo prevm = m; 1465253789Srpaulo else { 1466253789Srpaulo prevm->m_next = m; 1467253789Srpaulo prevm = m; 1468253789Srpaulo } 1469253789Srpaulo /* Next chunk is 128-byte aligned. */ 1470253789Srpaulo totlen = (totlen + 127) & ~127; 1471253789Srpaulo buf += totlen; 1472253789Srpaulo len -= totlen; 1473253789Srpaulo } 1474253789Srpaulo 1475253789Srpaulo return (m0); 1476253789Srpaulo} 1477253789Srpaulo 1478253789Srpaulostatic struct mbuf * 1479253789Srpaulorsu_rxeof(struct usb_xfer *xfer, struct rsu_data *data, int *rssi) 1480253789Srpaulo{ 1481253789Srpaulo struct rsu_softc *sc = data->sc; 1482253789Srpaulo struct r92s_rx_stat *stat; 1483253789Srpaulo int len; 1484253789Srpaulo 1485253789Srpaulo usbd_xfer_status(xfer, &len, NULL, NULL, NULL); 1486253789Srpaulo 1487253789Srpaulo if (__predict_false(len < sizeof(*stat))) { 1488253789Srpaulo DPRINTF("xfer too short %d\n", len); 1489271866Sglebius if_inc_counter(sc->sc_ifp, IFCOUNTER_IERRORS, 1); 1490253789Srpaulo return (NULL); 1491253789Srpaulo } 1492253789Srpaulo /* Determine if it is a firmware C2H event or an 802.11 frame. */ 1493253789Srpaulo stat = (struct r92s_rx_stat *)data->buf; 1494253789Srpaulo if ((le32toh(stat->rxdw1) & 0x1ff) == 0x1ff) { 1495253789Srpaulo rsu_rx_multi_event(sc, data->buf, len); 1496253789Srpaulo /* No packets to process. */ 1497253789Srpaulo return (NULL); 1498253789Srpaulo } else 1499253789Srpaulo return (rsu_rx_multi_frame(sc, data->buf, len, rssi)); 1500253789Srpaulo} 1501253789Srpaulo 1502253789Srpaulostatic void 1503253789Srpaulorsu_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error) 1504253789Srpaulo{ 1505253789Srpaulo struct rsu_softc *sc = usbd_xfer_softc(xfer); 1506253789Srpaulo struct ifnet *ifp = sc->sc_ifp; 1507253789Srpaulo struct ieee80211com *ic = ifp->if_l2com; 1508253789Srpaulo struct ieee80211_frame *wh; 1509253789Srpaulo struct ieee80211_node *ni; 1510253789Srpaulo struct mbuf *m = NULL, *next; 1511253789Srpaulo struct rsu_data *data; 1512253789Srpaulo int rssi = 1; 1513253789Srpaulo 1514253789Srpaulo RSU_ASSERT_LOCKED(sc); 1515253789Srpaulo 1516253789Srpaulo switch (USB_GET_STATE(xfer)) { 1517253789Srpaulo case USB_ST_TRANSFERRED: 1518253789Srpaulo data = STAILQ_FIRST(&sc->sc_rx_active); 1519253789Srpaulo if (data == NULL) 1520253789Srpaulo goto tr_setup; 1521253789Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 1522253789Srpaulo m = rsu_rxeof(xfer, data, &rssi); 1523253789Srpaulo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 1524253789Srpaulo /* FALLTHROUGH */ 1525253789Srpaulo case USB_ST_SETUP: 1526253789Srpaulotr_setup: 1527253789Srpaulo data = STAILQ_FIRST(&sc->sc_rx_inactive); 1528253789Srpaulo if (data == NULL) { 1529253789Srpaulo KASSERT(m == NULL, ("mbuf isn't NULL")); 1530253789Srpaulo return; 1531253789Srpaulo } 1532253789Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_rx_inactive, next); 1533253789Srpaulo STAILQ_INSERT_TAIL(&sc->sc_rx_active, data, next); 1534253789Srpaulo usbd_xfer_set_frame_data(xfer, 0, data->buf, 1535253789Srpaulo usbd_xfer_max_len(xfer)); 1536253789Srpaulo usbd_transfer_submit(xfer); 1537253789Srpaulo /* 1538253789Srpaulo * To avoid LOR we should unlock our private mutex here to call 1539253789Srpaulo * ieee80211_input() because here is at the end of a USB 1540253789Srpaulo * callback and safe to unlock. 1541253789Srpaulo */ 1542253789Srpaulo RSU_UNLOCK(sc); 1543253789Srpaulo while (m != NULL) { 1544253789Srpaulo next = m->m_next; 1545253789Srpaulo m->m_next = NULL; 1546253789Srpaulo wh = mtod(m, struct ieee80211_frame *); 1547253789Srpaulo ni = ieee80211_find_rxnode(ic, 1548253789Srpaulo (struct ieee80211_frame_min *)wh); 1549253789Srpaulo if (ni != NULL) { 1550253789Srpaulo (void)ieee80211_input(ni, m, rssi, 0); 1551253789Srpaulo ieee80211_free_node(ni); 1552253789Srpaulo } else 1553253789Srpaulo (void)ieee80211_input_all(ic, m, rssi, 0); 1554253789Srpaulo m = next; 1555253789Srpaulo } 1556253789Srpaulo RSU_LOCK(sc); 1557253789Srpaulo break; 1558253789Srpaulo default: 1559253789Srpaulo /* needs it to the inactive queue due to a error. */ 1560253789Srpaulo data = STAILQ_FIRST(&sc->sc_rx_active); 1561253789Srpaulo if (data != NULL) { 1562253789Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 1563253789Srpaulo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 1564253789Srpaulo } 1565253789Srpaulo if (error != USB_ERR_CANCELLED) { 1566253789Srpaulo usbd_xfer_set_stall(xfer); 1567271866Sglebius if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1568253789Srpaulo goto tr_setup; 1569253789Srpaulo } 1570253789Srpaulo break; 1571253789Srpaulo } 1572253789Srpaulo 1573253789Srpaulo} 1574253789Srpaulo 1575253789Srpaulo 1576253789Srpaulostatic void 1577253789Srpaulorsu_txeof(struct usb_xfer *xfer, struct rsu_data *data) 1578253789Srpaulo{ 1579253789Srpaulo struct rsu_softc *sc = usbd_xfer_softc(xfer); 1580253789Srpaulo struct ifnet *ifp = sc->sc_ifp; 1581253789Srpaulo struct mbuf *m; 1582253789Srpaulo 1583253789Srpaulo RSU_ASSERT_LOCKED(sc); 1584253789Srpaulo 1585253789Srpaulo /* 1586253789Srpaulo * Do any tx complete callback. Note this must be done before releasing 1587253789Srpaulo * the node reference. 1588253789Srpaulo */ 1589253789Srpaulo if (data->m) { 1590253789Srpaulo m = data->m; 1591253789Srpaulo if (m->m_flags & M_TXCB) { 1592253789Srpaulo /* XXX status? */ 1593253789Srpaulo ieee80211_process_callback(data->ni, m, 0); 1594253789Srpaulo } 1595253789Srpaulo m_freem(m); 1596253789Srpaulo data->m = NULL; 1597253789Srpaulo } 1598253789Srpaulo if (data->ni) { 1599253789Srpaulo ieee80211_free_node(data->ni); 1600253789Srpaulo data->ni = NULL; 1601253789Srpaulo } 1602271866Sglebius if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1603253789Srpaulo ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1604253789Srpaulo} 1605253789Srpaulo 1606253789Srpaulostatic void 1607266505Shselaskyrsu_bulk_tx_callback_sub(struct usb_xfer *xfer, usb_error_t error, 1608266505Shselasky uint8_t which) 1609253789Srpaulo{ 1610253789Srpaulo struct rsu_softc *sc = usbd_xfer_softc(xfer); 1611253789Srpaulo struct ifnet *ifp = sc->sc_ifp; 1612253789Srpaulo struct rsu_data *data; 1613253789Srpaulo 1614253789Srpaulo RSU_ASSERT_LOCKED(sc); 1615253789Srpaulo 1616253789Srpaulo switch (USB_GET_STATE(xfer)) { 1617253789Srpaulo case USB_ST_TRANSFERRED: 1618266505Shselasky data = STAILQ_FIRST(&sc->sc_tx_active[which]); 1619253789Srpaulo if (data == NULL) 1620253789Srpaulo goto tr_setup; 1621253789Srpaulo DPRINTF("transfer done %p\n", data); 1622266505Shselasky STAILQ_REMOVE_HEAD(&sc->sc_tx_active[which], next); 1623253789Srpaulo rsu_txeof(xfer, data); 1624253789Srpaulo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next); 1625253789Srpaulo /* FALLTHROUGH */ 1626253789Srpaulo case USB_ST_SETUP: 1627253789Srpaulotr_setup: 1628266505Shselasky data = STAILQ_FIRST(&sc->sc_tx_pending[which]); 1629253789Srpaulo if (data == NULL) { 1630253789Srpaulo DPRINTF("empty pending queue sc %p\n", sc); 1631253789Srpaulo return; 1632253789Srpaulo } 1633266505Shselasky STAILQ_REMOVE_HEAD(&sc->sc_tx_pending[which], next); 1634266505Shselasky STAILQ_INSERT_TAIL(&sc->sc_tx_active[which], data, next); 1635253789Srpaulo usbd_xfer_set_frame_data(xfer, 0, data->buf, data->buflen); 1636253789Srpaulo DPRINTF("submitting transfer %p\n", data); 1637253789Srpaulo usbd_transfer_submit(xfer); 1638253789Srpaulo break; 1639253789Srpaulo default: 1640266505Shselasky data = STAILQ_FIRST(&sc->sc_tx_active[which]); 1641266505Shselasky if (data != NULL) { 1642266505Shselasky STAILQ_REMOVE_HEAD(&sc->sc_tx_active[which], next); 1643266505Shselasky rsu_txeof(xfer, data); 1644266505Shselasky STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next); 1645253789Srpaulo } 1646271866Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1647266505Shselasky 1648253789Srpaulo if (error != USB_ERR_CANCELLED) { 1649253789Srpaulo usbd_xfer_set_stall(xfer); 1650253789Srpaulo goto tr_setup; 1651253789Srpaulo } 1652253789Srpaulo break; 1653253789Srpaulo } 1654253789Srpaulo} 1655253789Srpaulo 1656266505Shselaskystatic void 1657267041Shselaskyrsu_bulk_tx_callback_be_bk(struct usb_xfer *xfer, usb_error_t error) 1658266505Shselasky{ 1659267041Shselasky rsu_bulk_tx_callback_sub(xfer, error, RSU_BULK_TX_BE_BK); 1660266505Shselasky} 1661266505Shselasky 1662266505Shselaskystatic void 1663267041Shselaskyrsu_bulk_tx_callback_vi_vo(struct usb_xfer *xfer, usb_error_t error) 1664266505Shselasky{ 1665267041Shselasky rsu_bulk_tx_callback_sub(xfer, error, RSU_BULK_TX_VI_VO); 1666266505Shselasky} 1667266505Shselasky 1668253789Srpaulostatic int 1669253789Srpaulorsu_tx_start(struct rsu_softc *sc, struct ieee80211_node *ni, 1670266505Shselasky struct mbuf *m0, struct rsu_data *data) 1671253789Srpaulo{ 1672253789Srpaulo struct ifnet *ifp = sc->sc_ifp; 1673253789Srpaulo struct ieee80211com *ic = ifp->if_l2com; 1674253789Srpaulo struct ieee80211vap *vap = ni->ni_vap; 1675253789Srpaulo struct ieee80211_frame *wh; 1676253789Srpaulo struct ieee80211_key *k = NULL; 1677253789Srpaulo struct r92s_tx_desc *txd; 1678266505Shselasky uint8_t type; 1679266505Shselasky uint8_t tid = 0; 1680266505Shselasky uint8_t which; 1681266505Shselasky int hasqos; 1682266505Shselasky int xferlen; 1683253789Srpaulo 1684253789Srpaulo RSU_ASSERT_LOCKED(sc); 1685253789Srpaulo 1686253789Srpaulo wh = mtod(m0, struct ieee80211_frame *); 1687253789Srpaulo type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 1688253789Srpaulo 1689260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 1690253789Srpaulo k = ieee80211_crypto_encap(ni, m0); 1691253789Srpaulo if (k == NULL) { 1692253789Srpaulo device_printf(sc->sc_dev, 1693253789Srpaulo "ieee80211_crypto_encap returns NULL.\n"); 1694253789Srpaulo /* XXX we don't expect the fragmented frames */ 1695253789Srpaulo m_freem(m0); 1696253789Srpaulo return (ENOBUFS); 1697253789Srpaulo } 1698253789Srpaulo wh = mtod(m0, struct ieee80211_frame *); 1699253789Srpaulo } 1700253789Srpaulo switch (type) { 1701253789Srpaulo case IEEE80211_FC0_TYPE_CTL: 1702253789Srpaulo case IEEE80211_FC0_TYPE_MGT: 1703267041Shselasky which = rsu_wme_ac_xfer_map[WME_AC_VO]; 1704253789Srpaulo break; 1705253789Srpaulo default: 1706267041Shselasky which = rsu_wme_ac_xfer_map[M_WME_GETAC(m0)]; 1707253789Srpaulo break; 1708253789Srpaulo } 1709253789Srpaulo hasqos = 0; 1710253789Srpaulo 1711253789Srpaulo /* Fill Tx descriptor. */ 1712253789Srpaulo txd = (struct r92s_tx_desc *)data->buf; 1713253789Srpaulo memset(txd, 0, sizeof(*txd)); 1714253789Srpaulo 1715253789Srpaulo txd->txdw0 |= htole32( 1716253789Srpaulo SM(R92S_TXDW0_PKTLEN, m0->m_pkthdr.len) | 1717253789Srpaulo SM(R92S_TXDW0_OFFSET, sizeof(*txd)) | 1718253789Srpaulo R92S_TXDW0_OWN | R92S_TXDW0_FSG | R92S_TXDW0_LSG); 1719253789Srpaulo 1720253789Srpaulo txd->txdw1 |= htole32( 1721253789Srpaulo SM(R92S_TXDW1_MACID, R92S_MACID_BSS) | 1722253789Srpaulo SM(R92S_TXDW1_QSEL, R92S_TXDW1_QSEL_BE)); 1723253789Srpaulo if (!hasqos) 1724253789Srpaulo txd->txdw1 |= htole32(R92S_TXDW1_NONQOS); 1725253789Srpaulo#ifdef notyet 1726253789Srpaulo if (k != NULL) { 1727253789Srpaulo switch (k->wk_cipher->ic_cipher) { 1728253789Srpaulo case IEEE80211_CIPHER_WEP: 1729253789Srpaulo cipher = R92S_TXDW1_CIPHER_WEP; 1730253789Srpaulo break; 1731253789Srpaulo case IEEE80211_CIPHER_TKIP: 1732253789Srpaulo cipher = R92S_TXDW1_CIPHER_TKIP; 1733253789Srpaulo break; 1734253789Srpaulo case IEEE80211_CIPHER_AES_CCM: 1735253789Srpaulo cipher = R92S_TXDW1_CIPHER_AES; 1736253789Srpaulo break; 1737253789Srpaulo default: 1738253789Srpaulo cipher = R92S_TXDW1_CIPHER_NONE; 1739253789Srpaulo } 1740253789Srpaulo txd->txdw1 |= htole32( 1741253789Srpaulo SM(R92S_TXDW1_CIPHER, cipher) | 1742253789Srpaulo SM(R92S_TXDW1_KEYIDX, k->k_id)); 1743253789Srpaulo } 1744253789Srpaulo#endif 1745253789Srpaulo txd->txdw2 |= htole32(R92S_TXDW2_BK); 1746253789Srpaulo if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 1747253789Srpaulo txd->txdw2 |= htole32(R92S_TXDW2_BMCAST); 1748253789Srpaulo /* 1749253789Srpaulo * Firmware will use and increment the sequence number for the 1750253789Srpaulo * specified TID. 1751253789Srpaulo */ 1752253789Srpaulo txd->txdw3 |= htole32(SM(R92S_TXDW3_SEQ, tid)); 1753253789Srpaulo 1754253789Srpaulo if (ieee80211_radiotap_active_vap(vap)) { 1755253789Srpaulo struct rsu_tx_radiotap_header *tap = &sc->sc_txtap; 1756253789Srpaulo 1757253789Srpaulo tap->wt_flags = 0; 1758253789Srpaulo tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 1759253789Srpaulo tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 1760253789Srpaulo ieee80211_radiotap_tx(vap, m0); 1761253789Srpaulo } 1762253789Srpaulo xferlen = sizeof(*txd) + m0->m_pkthdr.len; 1763253789Srpaulo m_copydata(m0, 0, m0->m_pkthdr.len, (caddr_t)&txd[1]); 1764253789Srpaulo 1765253789Srpaulo data->buflen = xferlen; 1766253789Srpaulo data->ni = ni; 1767253789Srpaulo data->m = m0; 1768266505Shselasky STAILQ_INSERT_TAIL(&sc->sc_tx_pending[which], data, next); 1769253789Srpaulo 1770266505Shselasky /* start transfer, if any */ 1771267041Shselasky usbd_transfer_start(sc->sc_xfer[which]); 1772253789Srpaulo return (0); 1773253789Srpaulo} 1774253789Srpaulo 1775253789Srpaulostatic void 1776253789Srpaulorsu_start(struct ifnet *ifp) 1777253789Srpaulo{ 1778253789Srpaulo struct rsu_softc *sc = ifp->if_softc; 1779253789Srpaulo 1780253789Srpaulo if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 1781253789Srpaulo return; 1782253789Srpaulo 1783253789Srpaulo RSU_LOCK(sc); 1784266505Shselasky rsu_start_locked(ifp); 1785253789Srpaulo RSU_UNLOCK(sc); 1786253789Srpaulo} 1787253789Srpaulo 1788253789Srpaulostatic void 1789266505Shselaskyrsu_start_locked(struct ifnet *ifp) 1790253789Srpaulo{ 1791253789Srpaulo struct rsu_softc *sc = ifp->if_softc; 1792253789Srpaulo struct ieee80211_node *ni; 1793266505Shselasky struct rsu_data *bf; 1794253789Srpaulo struct mbuf *m; 1795253789Srpaulo 1796253789Srpaulo RSU_ASSERT_LOCKED(sc); 1797253789Srpaulo 1798253789Srpaulo for (;;) { 1799253789Srpaulo IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 1800253789Srpaulo if (m == NULL) 1801253789Srpaulo break; 1802253789Srpaulo ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 1803253789Srpaulo m->m_pkthdr.rcvif = NULL; 1804253789Srpaulo 1805266505Shselasky bf = rsu_getbuf(sc); 1806266505Shselasky if (bf == NULL) { 1807271866Sglebius if_inc_counter(ifp, IFCOUNTER_IQDROPS, 1); 1808266505Shselasky m_freem(m); 1809266505Shselasky ieee80211_free_node(ni); 1810266505Shselasky } else if (rsu_tx_start(sc, ni, m, bf) != 0) { 1811271866Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1812253789Srpaulo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next); 1813253789Srpaulo ieee80211_free_node(ni); 1814253789Srpaulo } 1815253789Srpaulo } 1816253789Srpaulo} 1817253789Srpaulo 1818253789Srpaulostatic int 1819253789Srpaulorsu_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1820253789Srpaulo{ 1821253789Srpaulo struct ieee80211com *ic = ifp->if_l2com; 1822253789Srpaulo struct ifreq *ifr = (struct ifreq *) data; 1823253789Srpaulo int error = 0, startall = 0; 1824253789Srpaulo 1825253789Srpaulo switch (cmd) { 1826253789Srpaulo case SIOCSIFFLAGS: 1827253789Srpaulo if (ifp->if_flags & IFF_UP) { 1828253789Srpaulo if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 1829253789Srpaulo rsu_init(ifp->if_softc); 1830253789Srpaulo startall = 1; 1831253789Srpaulo } 1832253789Srpaulo } else { 1833253789Srpaulo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1834253789Srpaulo rsu_stop(ifp, 1); 1835253789Srpaulo } 1836253789Srpaulo if (startall) 1837253789Srpaulo ieee80211_start_all(ic); 1838253789Srpaulo break; 1839253789Srpaulo case SIOCGIFMEDIA: 1840253789Srpaulo error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 1841253789Srpaulo break; 1842253789Srpaulo case SIOCGIFADDR: 1843253789Srpaulo error = ether_ioctl(ifp, cmd, data); 1844253789Srpaulo break; 1845253789Srpaulo default: 1846253789Srpaulo error = EINVAL; 1847253789Srpaulo break; 1848253789Srpaulo } 1849253789Srpaulo 1850253789Srpaulo return (error); 1851253789Srpaulo} 1852253789Srpaulo 1853253789Srpaulo/* 1854253789Srpaulo * Power on sequence for A-cut adapters. 1855253789Srpaulo */ 1856253789Srpaulostatic void 1857253789Srpaulorsu_power_on_acut(struct rsu_softc *sc) 1858253789Srpaulo{ 1859253789Srpaulo uint32_t reg; 1860253789Srpaulo 1861253789Srpaulo rsu_write_1(sc, R92S_SPS0_CTRL + 1, 0x53); 1862253789Srpaulo rsu_write_1(sc, R92S_SPS0_CTRL + 0, 0x57); 1863253789Srpaulo 1864253789Srpaulo /* Enable AFE macro block's bandgap and Mbias. */ 1865253789Srpaulo rsu_write_1(sc, R92S_AFE_MISC, 1866253789Srpaulo rsu_read_1(sc, R92S_AFE_MISC) | 1867253789Srpaulo R92S_AFE_MISC_BGEN | R92S_AFE_MISC_MBEN); 1868253789Srpaulo /* Enable LDOA15 block. */ 1869253789Srpaulo rsu_write_1(sc, R92S_LDOA15_CTRL, 1870253789Srpaulo rsu_read_1(sc, R92S_LDOA15_CTRL) | R92S_LDA15_EN); 1871253789Srpaulo 1872253789Srpaulo rsu_write_1(sc, R92S_SPS1_CTRL, 1873253789Srpaulo rsu_read_1(sc, R92S_SPS1_CTRL) | R92S_SPS1_LDEN); 1874253789Srpaulo usb_pause_mtx(&sc->sc_mtx, 2 * hz); 1875253789Srpaulo /* Enable switch regulator block. */ 1876253789Srpaulo rsu_write_1(sc, R92S_SPS1_CTRL, 1877253789Srpaulo rsu_read_1(sc, R92S_SPS1_CTRL) | R92S_SPS1_SWEN); 1878253789Srpaulo 1879253789Srpaulo rsu_write_4(sc, R92S_SPS1_CTRL, 0x00a7b267); 1880253789Srpaulo 1881253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL + 1, 1882253789Srpaulo rsu_read_1(sc, R92S_SYS_ISO_CTRL + 1) | 0x08); 1883253789Srpaulo 1884253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 1885253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x20); 1886253789Srpaulo 1887253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL + 1, 1888253789Srpaulo rsu_read_1(sc, R92S_SYS_ISO_CTRL + 1) & ~0x90); 1889253789Srpaulo 1890253789Srpaulo /* Enable AFE clock. */ 1891253789Srpaulo rsu_write_1(sc, R92S_AFE_XTAL_CTRL + 1, 1892253789Srpaulo rsu_read_1(sc, R92S_AFE_XTAL_CTRL + 1) & ~0x04); 1893253789Srpaulo /* Enable AFE PLL macro block. */ 1894253789Srpaulo rsu_write_1(sc, R92S_AFE_PLL_CTRL, 1895253789Srpaulo rsu_read_1(sc, R92S_AFE_PLL_CTRL) | 0x11); 1896253789Srpaulo /* Attach AFE PLL to MACTOP/BB. */ 1897253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL, 1898253789Srpaulo rsu_read_1(sc, R92S_SYS_ISO_CTRL) & ~0x11); 1899253789Srpaulo 1900253789Srpaulo /* Switch to 40MHz clock instead of 80MHz. */ 1901253789Srpaulo rsu_write_2(sc, R92S_SYS_CLKR, 1902253789Srpaulo rsu_read_2(sc, R92S_SYS_CLKR) & ~R92S_SYS_CLKSEL); 1903253789Srpaulo 1904253789Srpaulo /* Enable MAC clock. */ 1905253789Srpaulo rsu_write_2(sc, R92S_SYS_CLKR, 1906253789Srpaulo rsu_read_2(sc, R92S_SYS_CLKR) | 1907253789Srpaulo R92S_MAC_CLK_EN | R92S_SYS_CLK_EN); 1908253789Srpaulo 1909253789Srpaulo rsu_write_1(sc, R92S_PMC_FSM, 0x02); 1910253789Srpaulo 1911253789Srpaulo /* Enable digital core and IOREG R/W. */ 1912253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 1913253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x08); 1914253789Srpaulo 1915253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 1916253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x80); 1917253789Srpaulo 1918253789Srpaulo /* Switch the control path to firmware. */ 1919253789Srpaulo reg = rsu_read_2(sc, R92S_SYS_CLKR); 1920253789Srpaulo reg = (reg & ~R92S_SWHW_SEL) | R92S_FWHW_SEL; 1921253789Srpaulo rsu_write_2(sc, R92S_SYS_CLKR, reg); 1922253789Srpaulo 1923253789Srpaulo rsu_write_2(sc, R92S_CR, 0x37fc); 1924253789Srpaulo 1925253789Srpaulo /* Fix USB RX FIFO issue. */ 1926253789Srpaulo rsu_write_1(sc, 0xfe5c, 1927253789Srpaulo rsu_read_1(sc, 0xfe5c) | 0x80); 1928253789Srpaulo rsu_write_1(sc, 0x00ab, 1929253789Srpaulo rsu_read_1(sc, 0x00ab) | 0xc0); 1930253789Srpaulo 1931253789Srpaulo rsu_write_1(sc, R92S_SYS_CLKR, 1932253789Srpaulo rsu_read_1(sc, R92S_SYS_CLKR) & ~R92S_SYS_CPU_CLKSEL); 1933253789Srpaulo} 1934253789Srpaulo 1935253789Srpaulo/* 1936253789Srpaulo * Power on sequence for B-cut and C-cut adapters. 1937253789Srpaulo */ 1938253789Srpaulostatic void 1939253789Srpaulorsu_power_on_bcut(struct rsu_softc *sc) 1940253789Srpaulo{ 1941253789Srpaulo uint32_t reg; 1942253789Srpaulo int ntries; 1943253789Srpaulo 1944253789Srpaulo /* Prevent eFuse leakage. */ 1945253789Srpaulo rsu_write_1(sc, 0x37, 0xb0); 1946266505Shselasky usb_pause_mtx(&sc->sc_mtx, hz / 100); 1947253789Srpaulo rsu_write_1(sc, 0x37, 0x30); 1948253789Srpaulo 1949253789Srpaulo /* Switch the control path to hardware. */ 1950253789Srpaulo reg = rsu_read_2(sc, R92S_SYS_CLKR); 1951253789Srpaulo if (reg & R92S_FWHW_SEL) { 1952253789Srpaulo rsu_write_2(sc, R92S_SYS_CLKR, 1953253789Srpaulo reg & ~(R92S_SWHW_SEL | R92S_FWHW_SEL)); 1954253789Srpaulo } 1955253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 1956253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) & ~0x8c); 1957266471Shselasky rsu_ms_delay(sc); 1958253789Srpaulo 1959253789Srpaulo rsu_write_1(sc, R92S_SPS0_CTRL + 1, 0x53); 1960253789Srpaulo rsu_write_1(sc, R92S_SPS0_CTRL + 0, 0x57); 1961253789Srpaulo 1962253789Srpaulo reg = rsu_read_1(sc, R92S_AFE_MISC); 1963253789Srpaulo rsu_write_1(sc, R92S_AFE_MISC, reg | R92S_AFE_MISC_BGEN); 1964253789Srpaulo rsu_write_1(sc, R92S_AFE_MISC, reg | R92S_AFE_MISC_BGEN | 1965253789Srpaulo R92S_AFE_MISC_MBEN | R92S_AFE_MISC_I32_EN); 1966253789Srpaulo 1967253789Srpaulo /* Enable PLL. */ 1968253789Srpaulo rsu_write_1(sc, R92S_LDOA15_CTRL, 1969253789Srpaulo rsu_read_1(sc, R92S_LDOA15_CTRL) | R92S_LDA15_EN); 1970253789Srpaulo 1971253789Srpaulo rsu_write_1(sc, R92S_LDOV12D_CTRL, 1972253789Srpaulo rsu_read_1(sc, R92S_LDOV12D_CTRL) | R92S_LDV12_EN); 1973253789Srpaulo 1974253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL + 1, 1975253789Srpaulo rsu_read_1(sc, R92S_SYS_ISO_CTRL + 1) | 0x08); 1976253789Srpaulo 1977253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 1978253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x20); 1979253789Srpaulo 1980253789Srpaulo /* Support 64KB IMEM. */ 1981253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL + 1, 1982253789Srpaulo rsu_read_1(sc, R92S_SYS_ISO_CTRL + 1) & ~0x97); 1983253789Srpaulo 1984253789Srpaulo /* Enable AFE clock. */ 1985253789Srpaulo rsu_write_1(sc, R92S_AFE_XTAL_CTRL + 1, 1986253789Srpaulo rsu_read_1(sc, R92S_AFE_XTAL_CTRL + 1) & ~0x04); 1987253789Srpaulo /* Enable AFE PLL macro block. */ 1988253789Srpaulo reg = rsu_read_1(sc, R92S_AFE_PLL_CTRL); 1989253789Srpaulo rsu_write_1(sc, R92S_AFE_PLL_CTRL, reg | 0x11); 1990266471Shselasky rsu_ms_delay(sc); 1991253789Srpaulo rsu_write_1(sc, R92S_AFE_PLL_CTRL, reg | 0x51); 1992266471Shselasky rsu_ms_delay(sc); 1993253789Srpaulo rsu_write_1(sc, R92S_AFE_PLL_CTRL, reg | 0x11); 1994266471Shselasky rsu_ms_delay(sc); 1995253789Srpaulo 1996253789Srpaulo /* Attach AFE PLL to MACTOP/BB. */ 1997253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL, 1998253789Srpaulo rsu_read_1(sc, R92S_SYS_ISO_CTRL) & ~0x11); 1999253789Srpaulo 2000253789Srpaulo /* Switch to 40MHz clock. */ 2001253789Srpaulo rsu_write_1(sc, R92S_SYS_CLKR, 0x00); 2002253789Srpaulo /* Disable CPU clock and 80MHz SSC. */ 2003253789Srpaulo rsu_write_1(sc, R92S_SYS_CLKR, 2004253789Srpaulo rsu_read_1(sc, R92S_SYS_CLKR) | 0xa0); 2005253789Srpaulo /* Enable MAC clock. */ 2006253789Srpaulo rsu_write_2(sc, R92S_SYS_CLKR, 2007253789Srpaulo rsu_read_2(sc, R92S_SYS_CLKR) | 2008253789Srpaulo R92S_MAC_CLK_EN | R92S_SYS_CLK_EN); 2009253789Srpaulo 2010253789Srpaulo rsu_write_1(sc, R92S_PMC_FSM, 0x02); 2011253789Srpaulo 2012253789Srpaulo /* Enable digital core and IOREG R/W. */ 2013253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 2014253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x08); 2015253789Srpaulo 2016253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 2017253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x80); 2018253789Srpaulo 2019253789Srpaulo /* Switch the control path to firmware. */ 2020253789Srpaulo reg = rsu_read_2(sc, R92S_SYS_CLKR); 2021253789Srpaulo reg = (reg & ~R92S_SWHW_SEL) | R92S_FWHW_SEL; 2022253789Srpaulo rsu_write_2(sc, R92S_SYS_CLKR, reg); 2023253789Srpaulo 2024253789Srpaulo rsu_write_2(sc, R92S_CR, 0x37fc); 2025253789Srpaulo 2026253789Srpaulo /* Fix USB RX FIFO issue. */ 2027253789Srpaulo rsu_write_1(sc, 0xfe5c, 2028253789Srpaulo rsu_read_1(sc, 0xfe5c) | 0x80); 2029253789Srpaulo 2030253789Srpaulo rsu_write_1(sc, R92S_SYS_CLKR, 2031253789Srpaulo rsu_read_1(sc, R92S_SYS_CLKR) & ~R92S_SYS_CPU_CLKSEL); 2032253789Srpaulo 2033253789Srpaulo rsu_write_1(sc, 0xfe1c, 0x80); 2034253789Srpaulo 2035253789Srpaulo /* Make sure TxDMA is ready to download firmware. */ 2036253789Srpaulo for (ntries = 0; ntries < 20; ntries++) { 2037253789Srpaulo reg = rsu_read_1(sc, R92S_TCR); 2038253789Srpaulo if ((reg & (R92S_TCR_IMEM_CHK_RPT | R92S_TCR_EMEM_CHK_RPT)) == 2039253789Srpaulo (R92S_TCR_IMEM_CHK_RPT | R92S_TCR_EMEM_CHK_RPT)) 2040253789Srpaulo break; 2041266471Shselasky rsu_ms_delay(sc); 2042253789Srpaulo } 2043253789Srpaulo if (ntries == 20) { 2044253789Srpaulo DPRINTF("TxDMA is not ready\n"); 2045253789Srpaulo /* Reset TxDMA. */ 2046253789Srpaulo reg = rsu_read_1(sc, R92S_CR); 2047253789Srpaulo rsu_write_1(sc, R92S_CR, reg & ~R92S_CR_TXDMA_EN); 2048266471Shselasky rsu_ms_delay(sc); 2049253789Srpaulo rsu_write_1(sc, R92S_CR, reg | R92S_CR_TXDMA_EN); 2050253789Srpaulo } 2051253789Srpaulo} 2052253789Srpaulo 2053253789Srpaulostatic void 2054253789Srpaulorsu_power_off(struct rsu_softc *sc) 2055253789Srpaulo{ 2056253789Srpaulo /* Turn RF off. */ 2057253789Srpaulo rsu_write_1(sc, R92S_RF_CTRL, 0x00); 2058266505Shselasky usb_pause_mtx(&sc->sc_mtx, hz / 200); 2059253789Srpaulo 2060253789Srpaulo /* Turn MAC off. */ 2061253789Srpaulo /* Switch control path. */ 2062253789Srpaulo rsu_write_1(sc, R92S_SYS_CLKR + 1, 0x38); 2063253789Srpaulo /* Reset MACTOP. */ 2064253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 0x70); 2065253789Srpaulo rsu_write_1(sc, R92S_PMC_FSM, 0x06); 2066253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL + 0, 0xf9); 2067253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL + 1, 0xe8); 2068253789Srpaulo 2069253789Srpaulo /* Disable AFE PLL. */ 2070253789Srpaulo rsu_write_1(sc, R92S_AFE_PLL_CTRL, 0x00); 2071253789Srpaulo /* Disable A15V. */ 2072253789Srpaulo rsu_write_1(sc, R92S_LDOA15_CTRL, 0x54); 2073253789Srpaulo /* Disable eFuse 1.2V. */ 2074253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 0x50); 2075253789Srpaulo rsu_write_1(sc, R92S_LDOV12D_CTRL, 0x24); 2076253789Srpaulo /* Enable AFE macro block's bandgap and Mbias. */ 2077253789Srpaulo rsu_write_1(sc, R92S_AFE_MISC, 0x30); 2078253789Srpaulo /* Disable 1.6V LDO. */ 2079253789Srpaulo rsu_write_1(sc, R92S_SPS0_CTRL + 0, 0x56); 2080253789Srpaulo rsu_write_1(sc, R92S_SPS0_CTRL + 1, 0x43); 2081253789Srpaulo} 2082253789Srpaulo 2083253789Srpaulostatic int 2084253807Srpaulorsu_fw_loadsection(struct rsu_softc *sc, const uint8_t *buf, int len) 2085253789Srpaulo{ 2086267041Shselasky const uint8_t which = rsu_wme_ac_xfer_map[WME_AC_VO]; 2087253789Srpaulo struct rsu_data *data; 2088253789Srpaulo struct r92s_tx_desc *txd; 2089253789Srpaulo int mlen; 2090253789Srpaulo 2091253789Srpaulo while (len > 0) { 2092253789Srpaulo data = rsu_getbuf(sc); 2093253789Srpaulo if (data == NULL) 2094253789Srpaulo return (ENOMEM); 2095253789Srpaulo txd = (struct r92s_tx_desc *)data->buf; 2096253789Srpaulo memset(txd, 0, sizeof(*txd)); 2097253789Srpaulo if (len <= RSU_TXBUFSZ - sizeof(*txd)) { 2098253789Srpaulo /* Last chunk. */ 2099253789Srpaulo txd->txdw0 |= htole32(R92S_TXDW0_LINIP); 2100253789Srpaulo mlen = len; 2101253789Srpaulo } else 2102253789Srpaulo mlen = RSU_TXBUFSZ - sizeof(*txd); 2103253789Srpaulo txd->txdw0 |= htole32(SM(R92S_TXDW0_PKTLEN, mlen)); 2104253789Srpaulo memcpy(&txd[1], buf, mlen); 2105253789Srpaulo data->buflen = sizeof(*txd) + mlen; 2106253789Srpaulo DPRINTF("starting transfer %p\n", data); 2107266505Shselasky STAILQ_INSERT_TAIL(&sc->sc_tx_pending[which], data, next); 2108253789Srpaulo buf += mlen; 2109253789Srpaulo len -= mlen; 2110253789Srpaulo } 2111267041Shselasky usbd_transfer_start(sc->sc_xfer[which]); 2112253789Srpaulo return (0); 2113253789Srpaulo} 2114253789Srpaulo 2115253789Srpaulostatic int 2116253789Srpaulorsu_load_firmware(struct rsu_softc *sc) 2117253789Srpaulo{ 2118253807Srpaulo const struct r92s_fw_hdr *hdr; 2119253789Srpaulo struct r92s_fw_priv *dmem; 2120253807Srpaulo const uint8_t *imem, *emem; 2121253789Srpaulo int imemsz, ememsz; 2122253789Srpaulo const struct firmware *fw; 2123253789Srpaulo size_t size; 2124253789Srpaulo uint32_t reg; 2125253789Srpaulo int ntries, error; 2126253789Srpaulo 2127267041Shselasky if (rsu_read_1(sc, R92S_TCR) & R92S_TCR_FWRDY) { 2128267041Shselasky DPRINTF("Firmware already loaded\n"); 2129267041Shselasky return (0); 2130267041Shselasky } 2131267041Shselasky 2132253789Srpaulo RSU_UNLOCK(sc); 2133253789Srpaulo /* Read firmware image from the filesystem. */ 2134253789Srpaulo if ((fw = firmware_get("rsu-rtl8712fw")) == NULL) { 2135253789Srpaulo device_printf(sc->sc_dev, 2136253789Srpaulo "%s: failed load firmware of file rsu-rtl8712fw\n", 2137253789Srpaulo __func__); 2138253789Srpaulo RSU_LOCK(sc); 2139253789Srpaulo return (ENXIO); 2140253789Srpaulo } 2141253789Srpaulo RSU_LOCK(sc); 2142253789Srpaulo size = fw->datasize; 2143253789Srpaulo if (size < sizeof(*hdr)) { 2144253789Srpaulo device_printf(sc->sc_dev, "firmware too short\n"); 2145253789Srpaulo error = EINVAL; 2146253789Srpaulo goto fail; 2147253789Srpaulo } 2148253807Srpaulo hdr = (const struct r92s_fw_hdr *)fw->data; 2149253789Srpaulo if (hdr->signature != htole16(0x8712) && 2150253789Srpaulo hdr->signature != htole16(0x8192)) { 2151253789Srpaulo device_printf(sc->sc_dev, 2152253789Srpaulo "invalid firmware signature 0x%x\n", 2153253789Srpaulo le16toh(hdr->signature)); 2154253789Srpaulo error = EINVAL; 2155253789Srpaulo goto fail; 2156253789Srpaulo } 2157253789Srpaulo DPRINTF("FW V%d %02x-%02x %02x:%02x\n", le16toh(hdr->version), 2158253789Srpaulo hdr->month, hdr->day, hdr->hour, hdr->minute); 2159253789Srpaulo 2160253789Srpaulo /* Make sure that driver and firmware are in sync. */ 2161253789Srpaulo if (hdr->privsz != htole32(sizeof(*dmem))) { 2162253789Srpaulo device_printf(sc->sc_dev, "unsupported firmware image\n"); 2163253789Srpaulo error = EINVAL; 2164253789Srpaulo goto fail; 2165253789Srpaulo } 2166253789Srpaulo /* Get FW sections sizes. */ 2167253789Srpaulo imemsz = le32toh(hdr->imemsz); 2168253789Srpaulo ememsz = le32toh(hdr->sramsz); 2169253789Srpaulo /* Check that all FW sections fit in image. */ 2170253789Srpaulo if (size < sizeof(*hdr) + imemsz + ememsz) { 2171253789Srpaulo device_printf(sc->sc_dev, "firmware too short\n"); 2172253789Srpaulo error = EINVAL; 2173253789Srpaulo goto fail; 2174253789Srpaulo } 2175253807Srpaulo imem = (const uint8_t *)&hdr[1]; 2176253789Srpaulo emem = imem + imemsz; 2177253789Srpaulo 2178253789Srpaulo /* Load IMEM section. */ 2179253789Srpaulo error = rsu_fw_loadsection(sc, imem, imemsz); 2180253789Srpaulo if (error != 0) { 2181253789Srpaulo device_printf(sc->sc_dev, 2182253789Srpaulo "could not load firmware section %s\n", "IMEM"); 2183253789Srpaulo goto fail; 2184253789Srpaulo } 2185253789Srpaulo /* Wait for load to complete. */ 2186266535Shselasky for (ntries = 0; ntries != 50; ntries++) { 2187266505Shselasky usb_pause_mtx(&sc->sc_mtx, hz / 100); 2188267041Shselasky reg = rsu_read_1(sc, R92S_TCR); 2189253789Srpaulo if (reg & R92S_TCR_IMEM_CODE_DONE) 2190253789Srpaulo break; 2191253789Srpaulo } 2192266535Shselasky if (ntries == 50) { 2193266535Shselasky device_printf(sc->sc_dev, "timeout waiting for IMEM transfer\n"); 2194253789Srpaulo error = ETIMEDOUT; 2195253789Srpaulo goto fail; 2196253789Srpaulo } 2197253789Srpaulo /* Load EMEM section. */ 2198253789Srpaulo error = rsu_fw_loadsection(sc, emem, ememsz); 2199253789Srpaulo if (error != 0) { 2200253789Srpaulo device_printf(sc->sc_dev, 2201253789Srpaulo "could not load firmware section %s\n", "EMEM"); 2202253789Srpaulo goto fail; 2203253789Srpaulo } 2204253789Srpaulo /* Wait for load to complete. */ 2205266542Shselasky for (ntries = 0; ntries != 50; ntries++) { 2206266505Shselasky usb_pause_mtx(&sc->sc_mtx, hz / 100); 2207253789Srpaulo reg = rsu_read_2(sc, R92S_TCR); 2208253789Srpaulo if (reg & R92S_TCR_EMEM_CODE_DONE) 2209253789Srpaulo break; 2210253789Srpaulo } 2211266542Shselasky if (ntries == 50) { 2212266535Shselasky device_printf(sc->sc_dev, "timeout waiting for EMEM transfer\n"); 2213253789Srpaulo error = ETIMEDOUT; 2214253789Srpaulo goto fail; 2215253789Srpaulo } 2216253789Srpaulo /* Enable CPU. */ 2217253789Srpaulo rsu_write_1(sc, R92S_SYS_CLKR, 2218253789Srpaulo rsu_read_1(sc, R92S_SYS_CLKR) | R92S_SYS_CPU_CLKSEL); 2219253789Srpaulo if (!(rsu_read_1(sc, R92S_SYS_CLKR) & R92S_SYS_CPU_CLKSEL)) { 2220253789Srpaulo device_printf(sc->sc_dev, "could not enable system clock\n"); 2221253789Srpaulo error = EIO; 2222253789Srpaulo goto fail; 2223253789Srpaulo } 2224253789Srpaulo rsu_write_2(sc, R92S_SYS_FUNC_EN, 2225253789Srpaulo rsu_read_2(sc, R92S_SYS_FUNC_EN) | R92S_FEN_CPUEN); 2226253789Srpaulo if (!(rsu_read_2(sc, R92S_SYS_FUNC_EN) & R92S_FEN_CPUEN)) { 2227253789Srpaulo device_printf(sc->sc_dev, 2228253789Srpaulo "could not enable microcontroller\n"); 2229253789Srpaulo error = EIO; 2230253789Srpaulo goto fail; 2231253789Srpaulo } 2232253789Srpaulo /* Wait for CPU to initialize. */ 2233253789Srpaulo for (ntries = 0; ntries < 100; ntries++) { 2234267041Shselasky if (rsu_read_1(sc, R92S_TCR) & R92S_TCR_IMEM_RDY) 2235253789Srpaulo break; 2236266471Shselasky rsu_ms_delay(sc); 2237253789Srpaulo } 2238253789Srpaulo if (ntries == 100) { 2239253789Srpaulo device_printf(sc->sc_dev, 2240253789Srpaulo "timeout waiting for microcontroller\n"); 2241253789Srpaulo error = ETIMEDOUT; 2242253789Srpaulo goto fail; 2243253789Srpaulo } 2244253789Srpaulo 2245253789Srpaulo /* Update DMEM section before loading. */ 2246253807Srpaulo dmem = __DECONST(struct r92s_fw_priv *, &hdr->priv); 2247253789Srpaulo memset(dmem, 0, sizeof(*dmem)); 2248253789Srpaulo dmem->hci_sel = R92S_HCI_SEL_USB | R92S_HCI_SEL_8172; 2249266505Shselasky dmem->nendpoints = 0; 2250253789Srpaulo dmem->rf_config = 0x12; /* 1T2R */ 2251253789Srpaulo dmem->vcs_type = R92S_VCS_TYPE_AUTO; 2252253789Srpaulo dmem->vcs_mode = R92S_VCS_MODE_RTS_CTS; 2253253789Srpaulo#ifdef notyet 2254253789Srpaulo dmem->bw40_en = (ic->ic_htcaps & IEEE80211_HTCAP_CBW20_40) != 0; 2255253789Srpaulo#endif 2256253789Srpaulo dmem->turbo_mode = 1; 2257253789Srpaulo /* Load DMEM section. */ 2258253789Srpaulo error = rsu_fw_loadsection(sc, (uint8_t *)dmem, sizeof(*dmem)); 2259253789Srpaulo if (error != 0) { 2260253789Srpaulo device_printf(sc->sc_dev, 2261253789Srpaulo "could not load firmware section %s\n", "DMEM"); 2262253789Srpaulo goto fail; 2263253789Srpaulo } 2264253789Srpaulo /* Wait for load to complete. */ 2265253789Srpaulo for (ntries = 0; ntries < 100; ntries++) { 2266267041Shselasky if (rsu_read_1(sc, R92S_TCR) & R92S_TCR_DMEM_CODE_DONE) 2267253789Srpaulo break; 2268266471Shselasky rsu_ms_delay(sc); 2269253789Srpaulo } 2270253789Srpaulo if (ntries == 100) { 2271253789Srpaulo device_printf(sc->sc_dev, "timeout waiting for %s transfer\n", 2272253789Srpaulo "DMEM"); 2273253789Srpaulo error = ETIMEDOUT; 2274253789Srpaulo goto fail; 2275253789Srpaulo } 2276253789Srpaulo /* Wait for firmware readiness. */ 2277253789Srpaulo for (ntries = 0; ntries < 60; ntries++) { 2278267041Shselasky if (!(rsu_read_1(sc, R92S_TCR) & R92S_TCR_FWRDY)) 2279253789Srpaulo break; 2280266471Shselasky rsu_ms_delay(sc); 2281253789Srpaulo } 2282253789Srpaulo if (ntries == 60) { 2283253789Srpaulo device_printf(sc->sc_dev, 2284253789Srpaulo "timeout waiting for firmware readiness\n"); 2285253789Srpaulo error = ETIMEDOUT; 2286253789Srpaulo goto fail; 2287253789Srpaulo } 2288253789Srpaulo fail: 2289253789Srpaulo firmware_put(fw, FIRMWARE_UNLOAD); 2290253789Srpaulo return (error); 2291253789Srpaulo} 2292253789Srpaulo 2293253789Srpaulo 2294253789Srpaulostatic int 2295253789Srpaulorsu_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2296253789Srpaulo const struct ieee80211_bpf_params *params) 2297253789Srpaulo{ 2298253789Srpaulo struct ieee80211com *ic = ni->ni_ic; 2299253789Srpaulo struct ifnet *ifp = ic->ic_ifp; 2300253789Srpaulo struct rsu_softc *sc = ifp->if_softc; 2301253789Srpaulo struct rsu_data *bf; 2302253789Srpaulo 2303253789Srpaulo /* prevent management frames from being sent if we're not ready */ 2304253789Srpaulo if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2305253789Srpaulo m_freem(m); 2306253789Srpaulo ieee80211_free_node(ni); 2307253789Srpaulo return (ENETDOWN); 2308253789Srpaulo } 2309253789Srpaulo RSU_LOCK(sc); 2310253789Srpaulo bf = rsu_getbuf(sc); 2311253789Srpaulo if (bf == NULL) { 2312253789Srpaulo ieee80211_free_node(ni); 2313253789Srpaulo m_freem(m); 2314253789Srpaulo RSU_UNLOCK(sc); 2315253789Srpaulo return (ENOBUFS); 2316253789Srpaulo } 2317271866Sglebius if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 2318266505Shselasky if (rsu_tx_start(sc, ni, m, bf) != 0) { 2319253789Srpaulo ieee80211_free_node(ni); 2320271866Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2321253789Srpaulo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next); 2322253789Srpaulo RSU_UNLOCK(sc); 2323253789Srpaulo return (EIO); 2324253789Srpaulo } 2325253789Srpaulo RSU_UNLOCK(sc); 2326253789Srpaulo 2327253789Srpaulo return (0); 2328253789Srpaulo} 2329253789Srpaulo 2330253789Srpaulostatic void 2331253789Srpaulorsu_init(void *arg) 2332253789Srpaulo{ 2333253789Srpaulo struct rsu_softc *sc = arg; 2334253789Srpaulo 2335253789Srpaulo RSU_LOCK(sc); 2336253789Srpaulo rsu_init_locked(arg); 2337253789Srpaulo RSU_UNLOCK(sc); 2338253789Srpaulo} 2339253789Srpaulo 2340253789Srpaulostatic void 2341253789Srpaulorsu_init_locked(struct rsu_softc *sc) 2342253789Srpaulo{ 2343253789Srpaulo struct ifnet *ifp = sc->sc_ifp; 2344253789Srpaulo struct r92s_set_pwr_mode cmd; 2345253789Srpaulo int error; 2346266535Shselasky int i; 2347253789Srpaulo 2348253789Srpaulo /* Init host async commands ring. */ 2349253789Srpaulo sc->cmdq.cur = sc->cmdq.next = sc->cmdq.queued = 0; 2350253789Srpaulo 2351253789Srpaulo /* Power on adapter. */ 2352253789Srpaulo if (sc->cut == 1) 2353253789Srpaulo rsu_power_on_acut(sc); 2354253789Srpaulo else 2355253789Srpaulo rsu_power_on_bcut(sc); 2356267041Shselasky 2357253789Srpaulo /* Load firmware. */ 2358253789Srpaulo error = rsu_load_firmware(sc); 2359253789Srpaulo if (error != 0) 2360253789Srpaulo goto fail; 2361253789Srpaulo 2362253789Srpaulo /* Enable Rx TCP checksum offload. */ 2363253789Srpaulo rsu_write_4(sc, R92S_RCR, 2364253789Srpaulo rsu_read_4(sc, R92S_RCR) | 0x04000000); 2365253789Srpaulo /* Append PHY status. */ 2366253789Srpaulo rsu_write_4(sc, R92S_RCR, 2367253789Srpaulo rsu_read_4(sc, R92S_RCR) | 0x02000000); 2368253789Srpaulo 2369253789Srpaulo rsu_write_4(sc, R92S_CR, 2370253789Srpaulo rsu_read_4(sc, R92S_CR) & ~0xff000000); 2371253789Srpaulo 2372253789Srpaulo /* Use 128 bytes pages. */ 2373253789Srpaulo rsu_write_1(sc, 0x00b5, 2374253789Srpaulo rsu_read_1(sc, 0x00b5) | 0x01); 2375253789Srpaulo /* Enable USB Rx aggregation. */ 2376253789Srpaulo rsu_write_1(sc, 0x00bd, 2377253789Srpaulo rsu_read_1(sc, 0x00bd) | 0x80); 2378253789Srpaulo /* Set USB Rx aggregation threshold. */ 2379253789Srpaulo rsu_write_1(sc, 0x00d9, 0x01); 2380253789Srpaulo /* Set USB Rx aggregation timeout (1.7ms/4). */ 2381253789Srpaulo rsu_write_1(sc, 0xfe5b, 0x04); 2382253789Srpaulo /* Fix USB Rx FIFO issue. */ 2383253789Srpaulo rsu_write_1(sc, 0xfe5c, 2384253789Srpaulo rsu_read_1(sc, 0xfe5c) | 0x80); 2385253789Srpaulo 2386253789Srpaulo /* Set MAC address. */ 2387253789Srpaulo rsu_write_region_1(sc, R92S_MACID, IF_LLADDR(ifp), 2388253789Srpaulo IEEE80211_ADDR_LEN); 2389253789Srpaulo 2390266471Shselasky /* It really takes 1.5 seconds for the firmware to boot: */ 2391266471Shselasky usb_pause_mtx(&sc->sc_mtx, (3 * hz) / 2); 2392253789Srpaulo 2393253789Srpaulo DPRINTF("setting MAC address to %s\n", ether_sprintf(IF_LLADDR(ifp))); 2394253789Srpaulo error = rsu_fw_cmd(sc, R92S_CMD_SET_MAC_ADDRESS, IF_LLADDR(ifp), 2395253789Srpaulo IEEE80211_ADDR_LEN); 2396253789Srpaulo if (error != 0) { 2397253789Srpaulo device_printf(sc->sc_dev, "could not set MAC address\n"); 2398253789Srpaulo goto fail; 2399253789Srpaulo } 2400253789Srpaulo 2401253789Srpaulo rsu_write_1(sc, R92S_USB_HRPWM, 2402253789Srpaulo R92S_USB_HRPWM_PS_ST_ACTIVE | R92S_USB_HRPWM_PS_ALL_ON); 2403253789Srpaulo 2404253789Srpaulo memset(&cmd, 0, sizeof(cmd)); 2405253789Srpaulo cmd.mode = R92S_PS_MODE_ACTIVE; 2406253789Srpaulo DPRINTF("setting ps mode to %d\n", cmd.mode); 2407253789Srpaulo error = rsu_fw_cmd(sc, R92S_CMD_SET_PWR_MODE, &cmd, sizeof(cmd)); 2408253789Srpaulo if (error != 0) { 2409253789Srpaulo device_printf(sc->sc_dev, "could not set PS mode\n"); 2410253789Srpaulo goto fail; 2411253789Srpaulo } 2412253789Srpaulo 2413253789Srpaulo#if 0 2414253789Srpaulo if (ic->ic_htcaps & IEEE80211_HTCAP_CBW20_40) { 2415253789Srpaulo /* Enable 40MHz mode. */ 2416253789Srpaulo error = rsu_fw_iocmd(sc, 2417253789Srpaulo SM(R92S_IOCMD_CLASS, 0xf4) | 2418253789Srpaulo SM(R92S_IOCMD_INDEX, 0x00) | 2419253789Srpaulo SM(R92S_IOCMD_VALUE, 0x0007)); 2420253789Srpaulo if (error != 0) { 2421253789Srpaulo device_printf(sc->sc_dev, 2422253789Srpaulo "could not enable 40MHz mode\n"); 2423253789Srpaulo goto fail; 2424253789Srpaulo } 2425253789Srpaulo } 2426253789Srpaulo 2427253789Srpaulo /* Set default channel. */ 2428253789Srpaulo ic->ic_bss->ni_chan = ic->ic_ibss_chan; 2429253789Srpaulo#endif 2430253789Srpaulo sc->scan_pass = 0; 2431253789Srpaulo usbd_transfer_start(sc->sc_xfer[RSU_BULK_RX]); 2432253789Srpaulo 2433253789Srpaulo /* We're ready to go. */ 2434253789Srpaulo ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2435253789Srpaulo ifp->if_drv_flags |= IFF_DRV_RUNNING; 2436253789Srpaulo return; 2437253789Srpaulofail: 2438266535Shselasky /* Need to stop all failed transfers, if any */ 2439266535Shselasky for (i = 0; i != RSU_N_TRANSFER; i++) 2440266535Shselasky usbd_transfer_stop(sc->sc_xfer[i]); 2441253789Srpaulo} 2442253789Srpaulo 2443253789Srpaulostatic void 2444253789Srpaulorsu_stop(struct ifnet *ifp, int disable) 2445253789Srpaulo{ 2446253789Srpaulo struct rsu_softc *sc = ifp->if_softc; 2447253789Srpaulo 2448253789Srpaulo RSU_LOCK(sc); 2449253789Srpaulo rsu_stop_locked(ifp, disable); 2450253789Srpaulo RSU_UNLOCK(sc); 2451253789Srpaulo} 2452253789Srpaulo 2453253789Srpaulostatic void 2454253789Srpaulorsu_stop_locked(struct ifnet *ifp, int disable __unused) 2455253789Srpaulo{ 2456253789Srpaulo struct rsu_softc *sc = ifp->if_softc; 2457253789Srpaulo int i; 2458253789Srpaulo 2459253789Srpaulo ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 2460253789Srpaulo sc->sc_calibrating = 0; 2461253789Srpaulo taskqueue_cancel_timeout(taskqueue_thread, &sc->calib_task, NULL); 2462253789Srpaulo 2463253789Srpaulo /* Power off adapter. */ 2464253789Srpaulo rsu_power_off(sc); 2465253789Srpaulo 2466253789Srpaulo for (i = 0; i < RSU_N_TRANSFER; i++) 2467253789Srpaulo usbd_transfer_stop(sc->sc_xfer[i]); 2468253789Srpaulo} 2469253789Srpaulo 2470266471Shselaskystatic void 2471266471Shselaskyrsu_ms_delay(struct rsu_softc *sc) 2472266471Shselasky{ 2473266471Shselasky usb_pause_mtx(&sc->sc_mtx, hz / 1000); 2474266471Shselasky} 2475