if_rsu.c revision 288414
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 288414 2015-09-30 05:19:16Z adrian $"); 20253789Srpaulo 21253789Srpaulo/* 22253789Srpaulo * Driver for Realtek RTL8188SU/RTL8191SU/RTL8192SU. 23253789Srpaulo * 24253789Srpaulo * TODO: 25253789Srpaulo * o h/w crypto 26253789Srpaulo * o hostap / ibss / mesh 27288053Sadrian * o sensible RSSI levels 28288053Sadrian * o power-save operation 29253789Srpaulo */ 30287727Sadrian 31288320Sadrian#include "opt_wlan.h" 32288320Sadrian 33253789Srpaulo#include <sys/param.h> 34253789Srpaulo#include <sys/endian.h> 35253789Srpaulo#include <sys/sockio.h> 36253789Srpaulo#include <sys/mbuf.h> 37253789Srpaulo#include <sys/kernel.h> 38253789Srpaulo#include <sys/socket.h> 39253789Srpaulo#include <sys/systm.h> 40253789Srpaulo#include <sys/conf.h> 41253789Srpaulo#include <sys/bus.h> 42253789Srpaulo#include <sys/rman.h> 43253789Srpaulo#include <sys/firmware.h> 44253789Srpaulo#include <sys/module.h> 45253789Srpaulo 46253789Srpaulo#include <machine/bus.h> 47253789Srpaulo#include <machine/resource.h> 48253789Srpaulo 49253789Srpaulo#include <net/bpf.h> 50253789Srpaulo#include <net/if.h> 51257176Sglebius#include <net/if_var.h> 52253789Srpaulo#include <net/if_arp.h> 53253789Srpaulo#include <net/if_dl.h> 54253789Srpaulo#include <net/if_media.h> 55253789Srpaulo#include <net/if_types.h> 56253789Srpaulo 57253789Srpaulo#include <netinet/in.h> 58253789Srpaulo#include <netinet/in_systm.h> 59253789Srpaulo#include <netinet/in_var.h> 60253789Srpaulo#include <netinet/if_ether.h> 61253789Srpaulo#include <netinet/ip.h> 62253789Srpaulo 63253789Srpaulo#include <net80211/ieee80211_var.h> 64253789Srpaulo#include <net80211/ieee80211_regdomain.h> 65253789Srpaulo#include <net80211/ieee80211_radiotap.h> 66253789Srpaulo 67253789Srpaulo#include <dev/usb/usb.h> 68253789Srpaulo#include <dev/usb/usbdi.h> 69253789Srpaulo#include "usbdevs.h" 70253789Srpaulo 71253789Srpaulo#define USB_DEBUG_VAR rsu_debug 72253789Srpaulo#include <dev/usb/usb_debug.h> 73253789Srpaulo 74253789Srpaulo#include <dev/usb/wlan/if_rsureg.h> 75253789Srpaulo 76253789Srpaulo#ifdef USB_DEBUG 77253789Srpaulostatic int rsu_debug = 0; 78253789SrpauloSYSCTL_NODE(_hw_usb, OID_AUTO, rsu, CTLFLAG_RW, 0, "USB rsu"); 79276701ShselaskySYSCTL_INT(_hw_usb_rsu, OID_AUTO, debug, CTLFLAG_RWTUN, &rsu_debug, 0, 80253789Srpaulo "Debug level"); 81287727Sadrian#define RSU_DPRINTF(_sc, _flg, ...) \ 82287727Sadrian do \ 83287727Sadrian if (((_flg) == (RSU_DEBUG_ANY)) || (rsu_debug & (_flg))) \ 84287727Sadrian device_printf((_sc)->sc_dev, __VA_ARGS__); \ 85287727Sadrian while (0) 86287727Sadrian#else 87287727Sadrian#define RSU_DPRINTF(_sc, _flg, ...) 88253789Srpaulo#endif 89253789Srpaulo 90288053Sadrianstatic int rsu_enable_11n = 1; 91287947SadrianTUNABLE_INT("hw.usb.rsu.enable_11n", &rsu_enable_11n); 92287947Sadrian 93287727Sadrian#define RSU_DEBUG_ANY 0xffffffff 94287727Sadrian#define RSU_DEBUG_TX 0x00000001 95287727Sadrian#define RSU_DEBUG_RX 0x00000002 96287727Sadrian#define RSU_DEBUG_RESET 0x00000004 97287727Sadrian#define RSU_DEBUG_CALIB 0x00000008 98287727Sadrian#define RSU_DEBUG_STATE 0x00000010 99287727Sadrian#define RSU_DEBUG_SCAN 0x00000020 100287727Sadrian#define RSU_DEBUG_FWCMD 0x00000040 101287727Sadrian#define RSU_DEBUG_TXDONE 0x00000080 102287727Sadrian#define RSU_DEBUG_FW 0x00000100 103287727Sadrian#define RSU_DEBUG_FWDBG 0x00000200 104288089Sadrian#define RSU_DEBUG_AMPDU 0x00000400 105287727Sadrian 106253789Srpaulostatic const STRUCT_USB_HOST_ID rsu_devs[] = { 107253789Srpaulo#define RSU_HT_NOT_SUPPORTED 0 108253789Srpaulo#define RSU_HT_SUPPORTED 1 109253789Srpaulo#define RSU_DEV_HT(v,p) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, \ 110253789Srpaulo RSU_HT_SUPPORTED) } 111253789Srpaulo#define RSU_DEV(v,p) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, \ 112253789Srpaulo RSU_HT_NOT_SUPPORTED) } 113253789Srpaulo RSU_DEV(ASUS, RTL8192SU), 114253789Srpaulo RSU_DEV(AZUREWAVE, RTL8192SU_4), 115253789Srpaulo RSU_DEV_HT(ACCTON, RTL8192SU), 116253789Srpaulo RSU_DEV_HT(ASUS, USBN10), 117253789Srpaulo RSU_DEV_HT(AZUREWAVE, RTL8192SU_1), 118253789Srpaulo RSU_DEV_HT(AZUREWAVE, RTL8192SU_2), 119253789Srpaulo RSU_DEV_HT(AZUREWAVE, RTL8192SU_3), 120253789Srpaulo RSU_DEV_HT(AZUREWAVE, RTL8192SU_5), 121253789Srpaulo RSU_DEV_HT(BELKIN, RTL8192SU_1), 122253789Srpaulo RSU_DEV_HT(BELKIN, RTL8192SU_2), 123253789Srpaulo RSU_DEV_HT(BELKIN, RTL8192SU_3), 124253789Srpaulo RSU_DEV_HT(CONCEPTRONIC2, RTL8192SU_1), 125253789Srpaulo RSU_DEV_HT(CONCEPTRONIC2, RTL8192SU_2), 126253789Srpaulo RSU_DEV_HT(CONCEPTRONIC2, RTL8192SU_3), 127253789Srpaulo RSU_DEV_HT(COREGA, RTL8192SU), 128253789Srpaulo RSU_DEV_HT(DLINK2, DWA131A1), 129253789Srpaulo RSU_DEV_HT(DLINK2, RTL8192SU_1), 130253789Srpaulo RSU_DEV_HT(DLINK2, RTL8192SU_2), 131253789Srpaulo RSU_DEV_HT(EDIMAX, RTL8192SU_1), 132253789Srpaulo RSU_DEV_HT(EDIMAX, RTL8192SU_2), 133258028Skevlo RSU_DEV_HT(EDIMAX, EW7622UMN), 134253789Srpaulo RSU_DEV_HT(GUILLEMOT, HWGUN54), 135253789Srpaulo RSU_DEV_HT(GUILLEMOT, HWNUM300), 136253789Srpaulo RSU_DEV_HT(HAWKING, RTL8192SU_1), 137253789Srpaulo RSU_DEV_HT(HAWKING, RTL8192SU_2), 138253789Srpaulo RSU_DEV_HT(PLANEX2, GWUSNANO), 139253789Srpaulo RSU_DEV_HT(REALTEK, RTL8171), 140253789Srpaulo RSU_DEV_HT(REALTEK, RTL8172), 141253789Srpaulo RSU_DEV_HT(REALTEK, RTL8173), 142253789Srpaulo RSU_DEV_HT(REALTEK, RTL8174), 143253789Srpaulo RSU_DEV_HT(REALTEK, RTL8192SU), 144253789Srpaulo RSU_DEV_HT(REALTEK, RTL8712), 145253789Srpaulo RSU_DEV_HT(REALTEK, RTL8713), 146253789Srpaulo RSU_DEV_HT(SENAO, RTL8192SU_1), 147253789Srpaulo RSU_DEV_HT(SENAO, RTL8192SU_2), 148253789Srpaulo RSU_DEV_HT(SITECOMEU, WL349V1), 149253789Srpaulo RSU_DEV_HT(SITECOMEU, WL353), 150253789Srpaulo RSU_DEV_HT(SWEEX2, LW154), 151274684Skevlo RSU_DEV_HT(TRENDNET, TEW646UBH), 152253789Srpaulo#undef RSU_DEV_HT 153253789Srpaulo#undef RSU_DEV 154253789Srpaulo}; 155253789Srpaulo 156253789Srpaulostatic device_probe_t rsu_match; 157253789Srpaulostatic device_attach_t rsu_attach; 158253789Srpaulostatic device_detach_t rsu_detach; 159267041Shselaskystatic usb_callback_t rsu_bulk_tx_callback_be_bk; 160267041Shselaskystatic usb_callback_t rsu_bulk_tx_callback_vi_vo; 161287896Sadrianstatic usb_callback_t rsu_bulk_tx_callback_h2c; 162253789Srpaulostatic usb_callback_t rsu_bulk_rx_callback; 163253789Srpaulostatic usb_error_t rsu_do_request(struct rsu_softc *, 164253789Srpaulo struct usb_device_request *, void *); 165253789Srpaulostatic struct ieee80211vap * 166253789Srpaulo rsu_vap_create(struct ieee80211com *, const char name[], 167253789Srpaulo int, enum ieee80211_opmode, int, const uint8_t bssid[], 168253789Srpaulo const uint8_t mac[]); 169253789Srpaulostatic void rsu_vap_delete(struct ieee80211vap *); 170253789Srpaulostatic void rsu_scan_start(struct ieee80211com *); 171253789Srpaulostatic void rsu_scan_end(struct ieee80211com *); 172253789Srpaulostatic void rsu_set_channel(struct ieee80211com *); 173283540Sglebiusstatic void rsu_update_mcast(struct ieee80211com *); 174253789Srpaulostatic int rsu_alloc_rx_list(struct rsu_softc *); 175253789Srpaulostatic void rsu_free_rx_list(struct rsu_softc *); 176253789Srpaulostatic int rsu_alloc_tx_list(struct rsu_softc *); 177253789Srpaulostatic void rsu_free_tx_list(struct rsu_softc *); 178253789Srpaulostatic void rsu_free_list(struct rsu_softc *, struct rsu_data [], int); 179253789Srpaulostatic struct rsu_data *_rsu_getbuf(struct rsu_softc *); 180253789Srpaulostatic struct rsu_data *rsu_getbuf(struct rsu_softc *); 181287953Sadrianstatic void rsu_freebuf(struct rsu_softc *, struct rsu_data *); 182253789Srpaulostatic int rsu_write_region_1(struct rsu_softc *, uint16_t, uint8_t *, 183253789Srpaulo int); 184253789Srpaulostatic void rsu_write_1(struct rsu_softc *, uint16_t, uint8_t); 185253789Srpaulostatic void rsu_write_2(struct rsu_softc *, uint16_t, uint16_t); 186253789Srpaulostatic void rsu_write_4(struct rsu_softc *, uint16_t, uint32_t); 187253789Srpaulostatic int rsu_read_region_1(struct rsu_softc *, uint16_t, uint8_t *, 188253789Srpaulo int); 189253789Srpaulostatic uint8_t rsu_read_1(struct rsu_softc *, uint16_t); 190253789Srpaulostatic uint16_t rsu_read_2(struct rsu_softc *, uint16_t); 191253789Srpaulostatic uint32_t rsu_read_4(struct rsu_softc *, uint16_t); 192253789Srpaulostatic int rsu_fw_iocmd(struct rsu_softc *, uint32_t); 193253789Srpaulostatic uint8_t rsu_efuse_read_1(struct rsu_softc *, uint16_t); 194253789Srpaulostatic int rsu_read_rom(struct rsu_softc *); 195253789Srpaulostatic int rsu_fw_cmd(struct rsu_softc *, uint8_t, void *, int); 196253789Srpaulostatic void rsu_calib_task(void *, int); 197288052Sadrianstatic void rsu_tx_task(void *, int); 198253789Srpaulostatic int rsu_newstate(struct ieee80211vap *, enum ieee80211_state, int); 199253789Srpaulo#ifdef notyet 200253789Srpaulostatic void rsu_set_key(struct rsu_softc *, const struct ieee80211_key *); 201253789Srpaulostatic void rsu_delete_key(struct rsu_softc *, const struct ieee80211_key *); 202253789Srpaulo#endif 203253789Srpaulostatic int rsu_site_survey(struct rsu_softc *, struct ieee80211vap *); 204253789Srpaulostatic int rsu_join_bss(struct rsu_softc *, struct ieee80211_node *); 205253789Srpaulostatic int rsu_disconnect(struct rsu_softc *); 206288414Sadrianstatic int rsu_hwrssi_to_rssi(struct rsu_softc *, int hw_rssi); 207253789Srpaulostatic void rsu_event_survey(struct rsu_softc *, uint8_t *, int); 208253789Srpaulostatic void rsu_event_join_bss(struct rsu_softc *, uint8_t *, int); 209253789Srpaulostatic void rsu_rx_event(struct rsu_softc *, uint8_t, uint8_t *, int); 210253789Srpaulostatic void rsu_rx_multi_event(struct rsu_softc *, uint8_t *, int); 211288414Sadrian#if 0 212253789Srpaulostatic int8_t rsu_get_rssi(struct rsu_softc *, int, void *); 213288414Sadrian#endif 214288414Sadrianstatic struct mbuf * rsu_rx_frame(struct rsu_softc *, uint8_t *, int); 215288414Sadrianstatic struct mbuf * rsu_rx_multi_frame(struct rsu_softc *, uint8_t *, int); 216253789Srpaulostatic struct mbuf * 217288414Sadrian rsu_rxeof(struct usb_xfer *, struct rsu_data *); 218253789Srpaulostatic void rsu_txeof(struct usb_xfer *, struct rsu_data *); 219253789Srpaulostatic int rsu_raw_xmit(struct ieee80211_node *, struct mbuf *, 220253789Srpaulo const struct ieee80211_bpf_params *); 221287197Sglebiusstatic void rsu_init(struct rsu_softc *); 222253789Srpaulostatic int rsu_tx_start(struct rsu_softc *, struct ieee80211_node *, 223266505Shselasky struct mbuf *, struct rsu_data *); 224287197Sglebiusstatic int rsu_transmit(struct ieee80211com *, struct mbuf *); 225287197Sglebiusstatic void rsu_start(struct rsu_softc *); 226288052Sadrianstatic void _rsu_start(struct rsu_softc *); 227287197Sglebiusstatic void rsu_parent(struct ieee80211com *); 228287197Sglebiusstatic void rsu_stop(struct rsu_softc *); 229287892Sadrianstatic void rsu_ms_delay(struct rsu_softc *, int); 230253789Srpaulo 231253789Srpaulostatic device_method_t rsu_methods[] = { 232253789Srpaulo DEVMETHOD(device_probe, rsu_match), 233253789Srpaulo DEVMETHOD(device_attach, rsu_attach), 234253789Srpaulo DEVMETHOD(device_detach, rsu_detach), 235253789Srpaulo 236253789Srpaulo DEVMETHOD_END 237253789Srpaulo}; 238253789Srpaulo 239253789Srpaulostatic driver_t rsu_driver = { 240253789Srpaulo .name = "rsu", 241253789Srpaulo .methods = rsu_methods, 242253789Srpaulo .size = sizeof(struct rsu_softc) 243253789Srpaulo}; 244253789Srpaulo 245253789Srpaulostatic devclass_t rsu_devclass; 246253789Srpaulo 247253789SrpauloDRIVER_MODULE(rsu, uhub, rsu_driver, rsu_devclass, NULL, 0); 248253789SrpauloMODULE_DEPEND(rsu, wlan, 1, 1, 1); 249253789SrpauloMODULE_DEPEND(rsu, usb, 1, 1, 1); 250253789SrpauloMODULE_DEPEND(rsu, firmware, 1, 1, 1); 251253789SrpauloMODULE_VERSION(rsu, 1); 252253789Srpaulo 253267041Shselaskystatic uint8_t rsu_wme_ac_xfer_map[4] = { 254267041Shselasky [WME_AC_BE] = RSU_BULK_TX_BE_BK, 255267041Shselasky [WME_AC_BK] = RSU_BULK_TX_BE_BK, 256267041Shselasky [WME_AC_VI] = RSU_BULK_TX_VI_VO, 257267041Shselasky [WME_AC_VO] = RSU_BULK_TX_VI_VO, 258267041Shselasky}; 259267041Shselasky 260287896Sadrian/* XXX hard-coded */ 261287896Sadrian#define RSU_H2C_ENDPOINT 3 262287896Sadrian 263253789Srpaulostatic const struct usb_config rsu_config[RSU_N_TRANSFER] = { 264253789Srpaulo [RSU_BULK_RX] = { 265253789Srpaulo .type = UE_BULK, 266253789Srpaulo .endpoint = UE_ADDR_ANY, 267253789Srpaulo .direction = UE_DIR_IN, 268253789Srpaulo .bufsize = RSU_RXBUFSZ, 269253789Srpaulo .flags = { 270253789Srpaulo .pipe_bof = 1, 271253789Srpaulo .short_xfer_ok = 1 272253789Srpaulo }, 273253789Srpaulo .callback = rsu_bulk_rx_callback 274253789Srpaulo }, 275267041Shselasky [RSU_BULK_TX_BE_BK] = { 276253789Srpaulo .type = UE_BULK, 277253789Srpaulo .endpoint = 0x06, 278253789Srpaulo .direction = UE_DIR_OUT, 279253789Srpaulo .bufsize = RSU_TXBUFSZ, 280253789Srpaulo .flags = { 281253789Srpaulo .ext_buffer = 1, 282253789Srpaulo .pipe_bof = 1, 283253789Srpaulo .force_short_xfer = 1 284253789Srpaulo }, 285267041Shselasky .callback = rsu_bulk_tx_callback_be_bk, 286253789Srpaulo .timeout = RSU_TX_TIMEOUT 287253789Srpaulo }, 288267041Shselasky [RSU_BULK_TX_VI_VO] = { 289253789Srpaulo .type = UE_BULK, 290253789Srpaulo .endpoint = 0x04, 291253789Srpaulo .direction = UE_DIR_OUT, 292253789Srpaulo .bufsize = RSU_TXBUFSZ, 293253789Srpaulo .flags = { 294253789Srpaulo .ext_buffer = 1, 295253789Srpaulo .pipe_bof = 1, 296253789Srpaulo .force_short_xfer = 1 297253789Srpaulo }, 298267041Shselasky .callback = rsu_bulk_tx_callback_vi_vo, 299253789Srpaulo .timeout = RSU_TX_TIMEOUT 300253789Srpaulo }, 301287896Sadrian [RSU_BULK_TX_H2C] = { 302287896Sadrian .type = UE_BULK, 303287896Sadrian .endpoint = 0x0d, 304287896Sadrian .direction = UE_DIR_OUT, 305287896Sadrian .bufsize = RSU_TXBUFSZ, 306287896Sadrian .flags = { 307287896Sadrian .ext_buffer = 1, 308287896Sadrian .pipe_bof = 1, 309287896Sadrian .short_xfer_ok = 1 310287896Sadrian }, 311287896Sadrian .callback = rsu_bulk_tx_callback_h2c, 312287896Sadrian .timeout = RSU_TX_TIMEOUT 313287896Sadrian }, 314253789Srpaulo}; 315253789Srpaulo 316253789Srpaulostatic int 317253789Srpaulorsu_match(device_t self) 318253789Srpaulo{ 319253789Srpaulo struct usb_attach_arg *uaa = device_get_ivars(self); 320253789Srpaulo 321253789Srpaulo if (uaa->usb_mode != USB_MODE_HOST || 322253789Srpaulo uaa->info.bIfaceIndex != 0 || 323253789Srpaulo uaa->info.bConfigIndex != 0) 324253789Srpaulo return (ENXIO); 325253789Srpaulo 326253789Srpaulo return (usbd_lookup_id_by_uaa(rsu_devs, sizeof(rsu_devs), uaa)); 327253789Srpaulo} 328253789Srpaulo 329253789Srpaulostatic int 330287763Sadrianrsu_send_mgmt(struct ieee80211_node *ni, int type, int arg) 331287763Sadrian{ 332287763Sadrian 333287763Sadrian return (ENOTSUP); 334287763Sadrian} 335287763Sadrian 336287895Sadrianstatic void 337287895Sadrianrsu_update_chw(struct ieee80211com *ic) 338287895Sadrian{ 339287895Sadrian 340287895Sadrian} 341287895Sadrian 342288089Sadrian/* 343288089Sadrian * notification from net80211 that it'd like to do A-MPDU on the given TID. 344288089Sadrian * 345288089Sadrian * Note: this actually hangs traffic at the present moment, so don't use it. 346288089Sadrian * The firmware debug does indiciate it's sending and establishing a TX AMPDU 347288089Sadrian * session, but then no traffic flows. 348288089Sadrian */ 349287763Sadrianstatic int 350287895Sadrianrsu_ampdu_enable(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap) 351287895Sadrian{ 352288089Sadrian#if 0 353288089Sadrian struct rsu_softc *sc = ni->ni_ic->ic_softc; 354288089Sadrian struct r92s_add_ba_req req; 355287895Sadrian 356288089Sadrian /* Don't enable if it's requested or running */ 357288089Sadrian if (IEEE80211_AMPDU_REQUESTED(tap)) 358288089Sadrian return (0); 359288089Sadrian if (IEEE80211_AMPDU_RUNNING(tap)) 360288089Sadrian return (0); 361288089Sadrian 362288089Sadrian /* We've decided to send addba; so send it */ 363288089Sadrian req.tid = htole32(tap->txa_tid); 364288089Sadrian 365288089Sadrian /* Attempt net80211 state */ 366288089Sadrian if (ieee80211_ampdu_tx_request_ext(ni, tap->txa_tid) != 1) 367288089Sadrian return (0); 368288089Sadrian 369288089Sadrian /* Send the firmware command */ 370288089Sadrian RSU_DPRINTF(sc, RSU_DEBUG_AMPDU, "%s: establishing AMPDU TX for TID %d\n", 371288089Sadrian __func__, 372288089Sadrian tap->txa_tid); 373288089Sadrian 374288089Sadrian RSU_LOCK(sc); 375288089Sadrian if (rsu_fw_cmd(sc, R92S_CMD_ADDBA_REQ, &req, sizeof(req)) != 1) { 376288089Sadrian RSU_UNLOCK(sc); 377288089Sadrian /* Mark failure */ 378288089Sadrian (void) ieee80211_ampdu_tx_request_active_ext(ni, tap->txa_tid, 0); 379288089Sadrian return (0); 380288089Sadrian } 381288089Sadrian RSU_UNLOCK(sc); 382288089Sadrian 383288089Sadrian /* Mark success; we don't get any further notifications */ 384288089Sadrian (void) ieee80211_ampdu_tx_request_active_ext(ni, tap->txa_tid, 1); 385288089Sadrian#endif 386288089Sadrian /* Return 0, we're driving this ourselves */ 387287895Sadrian return (0); 388287895Sadrian} 389287895Sadrian 390287895Sadrianstatic int 391287895Sadrianrsu_wme_update(struct ieee80211com *ic) 392287895Sadrian{ 393287895Sadrian 394287895Sadrian /* Firmware handles this; not our problem */ 395287895Sadrian return (0); 396287895Sadrian} 397287895Sadrian 398287895Sadrianstatic int 399253789Srpaulorsu_attach(device_t self) 400253789Srpaulo{ 401253789Srpaulo struct usb_attach_arg *uaa = device_get_ivars(self); 402253789Srpaulo struct rsu_softc *sc = device_get_softc(self); 403287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 404253789Srpaulo int error; 405253789Srpaulo uint8_t iface_index, bands; 406287894Sadrian struct usb_interface *iface; 407288357Sadrian const char *rft; 408253789Srpaulo 409253789Srpaulo device_set_usb_desc(self); 410253789Srpaulo sc->sc_udev = uaa->device; 411253789Srpaulo sc->sc_dev = self; 412287947Sadrian if (rsu_enable_11n) 413287947Sadrian sc->sc_ht = !! (USB_GET_DRIVER_INFO(uaa) & RSU_HT_SUPPORTED); 414253789Srpaulo 415287894Sadrian /* Get number of endpoints */ 416287894Sadrian iface = usbd_get_iface(sc->sc_udev, 0); 417287894Sadrian sc->sc_nendpoints = iface->idesc->bNumEndpoints; 418287894Sadrian 419287897Sadrian /* Endpoints are hard-coded for now, so enforce 4-endpoint only */ 420287897Sadrian if (sc->sc_nendpoints != 4) { 421287897Sadrian device_printf(sc->sc_dev, 422287897Sadrian "the driver currently only supports 4-endpoint devices\n"); 423287897Sadrian return (ENXIO); 424287897Sadrian } 425287897Sadrian 426253789Srpaulo mtx_init(&sc->sc_mtx, device_get_nameunit(self), MTX_NETWORK_LOCK, 427253789Srpaulo MTX_DEF); 428253789Srpaulo TIMEOUT_TASK_INIT(taskqueue_thread, &sc->calib_task, 0, 429253789Srpaulo rsu_calib_task, sc); 430288052Sadrian TASK_INIT(&sc->tx_task, 0, rsu_tx_task, sc); 431287197Sglebius mbufq_init(&sc->sc_snd, ifqmaxlen); 432253789Srpaulo 433266535Shselasky /* Allocate Tx/Rx buffers. */ 434266535Shselasky error = rsu_alloc_rx_list(sc); 435266535Shselasky if (error != 0) { 436266535Shselasky device_printf(sc->sc_dev, "could not allocate Rx buffers\n"); 437266535Shselasky goto fail_usb; 438266535Shselasky } 439266535Shselasky 440266535Shselasky error = rsu_alloc_tx_list(sc); 441266535Shselasky if (error != 0) { 442266535Shselasky device_printf(sc->sc_dev, "could not allocate Tx buffers\n"); 443266535Shselasky rsu_free_rx_list(sc); 444266535Shselasky goto fail_usb; 445266535Shselasky } 446266535Shselasky 447253789Srpaulo iface_index = 0; 448253789Srpaulo error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_xfer, 449253789Srpaulo rsu_config, RSU_N_TRANSFER, sc, &sc->sc_mtx); 450253789Srpaulo if (error) { 451253789Srpaulo device_printf(sc->sc_dev, 452253789Srpaulo "could not allocate USB transfers, err=%s\n", 453253789Srpaulo usbd_errstr(error)); 454253831Srpaulo goto fail_usb; 455253789Srpaulo } 456253789Srpaulo RSU_LOCK(sc); 457253789Srpaulo /* Read chip revision. */ 458253789Srpaulo sc->cut = MS(rsu_read_4(sc, R92S_PMC_FSM), R92S_PMC_FSM_CUT); 459253789Srpaulo if (sc->cut != 3) 460253789Srpaulo sc->cut = (sc->cut >> 1) + 1; 461253789Srpaulo error = rsu_read_rom(sc); 462276611Shselasky RSU_UNLOCK(sc); 463253789Srpaulo if (error != 0) { 464253789Srpaulo device_printf(self, "could not read ROM\n"); 465253831Srpaulo goto fail_rom; 466253789Srpaulo } 467288357Sadrian 468288357Sadrian /* Figure out TX/RX streams */ 469288357Sadrian switch (sc->rom[84]) { 470288357Sadrian case 0x0: 471288357Sadrian sc->sc_rftype = RTL8712_RFCONFIG_1T1R; 472288357Sadrian sc->sc_nrxstream = 1; 473288357Sadrian sc->sc_ntxstream = 1; 474288357Sadrian rft = "1T1R"; 475288357Sadrian break; 476288357Sadrian case 0x1: 477288357Sadrian sc->sc_rftype = RTL8712_RFCONFIG_1T2R; 478288357Sadrian sc->sc_nrxstream = 2; 479288357Sadrian sc->sc_ntxstream = 1; 480288357Sadrian rft = "1T2R"; 481288357Sadrian break; 482288357Sadrian case 0x2: 483288357Sadrian sc->sc_rftype = RTL8712_RFCONFIG_2T2R; 484288357Sadrian sc->sc_nrxstream = 2; 485288357Sadrian sc->sc_ntxstream = 2; 486288357Sadrian rft = "2T2R"; 487288357Sadrian break; 488288357Sadrian default: 489288357Sadrian device_printf(sc->sc_dev, 490288357Sadrian "%s: unknown board type (rfconfig=0x%02x)\n", 491288357Sadrian __func__, 492288357Sadrian sc->rom[84]); 493288357Sadrian goto fail_rom; 494288357Sadrian } 495288357Sadrian 496287197Sglebius IEEE80211_ADDR_COPY(ic->ic_macaddr, &sc->rom[0x12]); 497288357Sadrian device_printf(self, "MAC/BB RTL8712 cut %d %s\n", sc->cut, rft); 498253789Srpaulo 499283537Sglebius ic->ic_softc = sc; 500283527Sglebius ic->ic_name = device_get_nameunit(self); 501253789Srpaulo ic->ic_phytype = IEEE80211_T_OFDM; /* Not only, but not used. */ 502253789Srpaulo ic->ic_opmode = IEEE80211_M_STA; /* Default to BSS mode. */ 503253789Srpaulo 504253789Srpaulo /* Set device capabilities. */ 505253789Srpaulo ic->ic_caps = 506253789Srpaulo IEEE80211_C_STA | /* station mode */ 507287727Sadrian#if 0 508253789Srpaulo IEEE80211_C_BGSCAN | /* Background scan. */ 509287727Sadrian#endif 510253789Srpaulo IEEE80211_C_SHPREAMBLE | /* Short preamble supported. */ 511287901Sadrian IEEE80211_C_WME | /* WME/QoS */ 512253789Srpaulo IEEE80211_C_SHSLOT | /* Short slot time supported. */ 513253789Srpaulo IEEE80211_C_WPA; /* WPA/RSN. */ 514253789Srpaulo 515253789Srpaulo /* Check if HT support is present. */ 516287947Sadrian if (sc->sc_ht) { 517287947Sadrian device_printf(sc->sc_dev, "%s: enabling 11n\n", __func__); 518287947Sadrian 519287947Sadrian /* Enable basic HT */ 520287947Sadrian ic->ic_htcaps = IEEE80211_HTC_HT | 521287947Sadrian IEEE80211_HTC_AMPDU | 522287947Sadrian IEEE80211_HTC_AMSDU | 523287947Sadrian IEEE80211_HTCAP_MAXAMSDU_3839 | 524287947Sadrian IEEE80211_HTCAP_SMPS_OFF; 525287947Sadrian ic->ic_htcaps |= IEEE80211_HTCAP_CHWIDTH40; 526287947Sadrian 527287947Sadrian /* set number of spatial streams */ 528288357Sadrian ic->ic_txstream = sc->sc_ntxstream; 529288357Sadrian ic->ic_rxstream = sc->sc_nrxstream; 530253789Srpaulo } 531253789Srpaulo 532253789Srpaulo /* Set supported .11b and .11g rates. */ 533253789Srpaulo bands = 0; 534253789Srpaulo setbit(&bands, IEEE80211_MODE_11B); 535253789Srpaulo setbit(&bands, IEEE80211_MODE_11G); 536287947Sadrian if (sc->sc_ht) 537287947Sadrian setbit(&bands, IEEE80211_MODE_11NG); 538253789Srpaulo ieee80211_init_channels(ic, NULL, &bands); 539253789Srpaulo 540287197Sglebius ieee80211_ifattach(ic); 541253789Srpaulo ic->ic_raw_xmit = rsu_raw_xmit; 542253789Srpaulo ic->ic_scan_start = rsu_scan_start; 543253789Srpaulo ic->ic_scan_end = rsu_scan_end; 544253789Srpaulo ic->ic_set_channel = rsu_set_channel; 545253789Srpaulo ic->ic_vap_create = rsu_vap_create; 546253789Srpaulo ic->ic_vap_delete = rsu_vap_delete; 547253789Srpaulo ic->ic_update_mcast = rsu_update_mcast; 548287197Sglebius ic->ic_parent = rsu_parent; 549287197Sglebius ic->ic_transmit = rsu_transmit; 550287763Sadrian ic->ic_send_mgmt = rsu_send_mgmt; 551287895Sadrian ic->ic_update_chw = rsu_update_chw; 552287895Sadrian ic->ic_ampdu_enable = rsu_ampdu_enable; 553287895Sadrian ic->ic_wme.wme_update = rsu_wme_update; 554253789Srpaulo 555253789Srpaulo ieee80211_radiotap_attach(ic, &sc->sc_txtap.wt_ihdr, 556253789Srpaulo sizeof(sc->sc_txtap), RSU_TX_RADIOTAP_PRESENT, 557253789Srpaulo &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 558253789Srpaulo RSU_RX_RADIOTAP_PRESENT); 559253789Srpaulo 560253789Srpaulo if (bootverbose) 561253789Srpaulo ieee80211_announce(ic); 562253789Srpaulo 563253789Srpaulo return (0); 564253789Srpaulo 565253831Srpaulofail_rom: 566253831Srpaulo usbd_transfer_unsetup(sc->sc_xfer, RSU_N_TRANSFER); 567253831Srpaulofail_usb: 568253831Srpaulo mtx_destroy(&sc->sc_mtx); 569253789Srpaulo return (ENXIO); 570253789Srpaulo} 571253789Srpaulo 572253789Srpaulostatic int 573253789Srpaulorsu_detach(device_t self) 574253789Srpaulo{ 575253789Srpaulo struct rsu_softc *sc = device_get_softc(self); 576287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 577253789Srpaulo 578287197Sglebius RSU_LOCK(sc); 579287197Sglebius rsu_stop(sc); 580287197Sglebius RSU_UNLOCK(sc); 581288279Sadrian 582253789Srpaulo usbd_transfer_unsetup(sc->sc_xfer, RSU_N_TRANSFER); 583288051Sadrian 584288279Sadrian /* 585288279Sadrian * Free buffers /before/ we detach from net80211, else node 586288279Sadrian * references to destroyed vaps will lead to a panic. 587288279Sadrian */ 588288279Sadrian /* Free Tx/Rx buffers. */ 589288279Sadrian RSU_LOCK(sc); 590288279Sadrian rsu_free_tx_list(sc); 591288279Sadrian rsu_free_rx_list(sc); 592288279Sadrian RSU_UNLOCK(sc); 593288279Sadrian 594288051Sadrian /* Frames are freed; detach from net80211 */ 595253789Srpaulo ieee80211_ifdetach(ic); 596253789Srpaulo 597253789Srpaulo taskqueue_drain_timeout(taskqueue_thread, &sc->calib_task); 598288052Sadrian taskqueue_drain(taskqueue_thread, &sc->tx_task); 599253789Srpaulo 600253789Srpaulo mtx_destroy(&sc->sc_mtx); 601253789Srpaulo 602253789Srpaulo return (0); 603253789Srpaulo} 604253789Srpaulo 605253789Srpaulostatic usb_error_t 606253789Srpaulorsu_do_request(struct rsu_softc *sc, struct usb_device_request *req, 607253789Srpaulo void *data) 608253789Srpaulo{ 609253789Srpaulo usb_error_t err; 610253789Srpaulo int ntries = 10; 611253789Srpaulo 612253789Srpaulo RSU_ASSERT_LOCKED(sc); 613253789Srpaulo 614253789Srpaulo while (ntries--) { 615253789Srpaulo err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx, 616253789Srpaulo req, data, 0, NULL, 250 /* ms */); 617266466Shselasky if (err == 0 || err == USB_ERR_NOT_CONFIGURED) 618253789Srpaulo break; 619253789Srpaulo DPRINTFN(1, "Control request failed, %s (retrying)\n", 620253789Srpaulo usbd_errstr(err)); 621287892Sadrian rsu_ms_delay(sc, 10); 622253789Srpaulo } 623253789Srpaulo 624253789Srpaulo return (err); 625253789Srpaulo} 626253789Srpaulo 627253789Srpaulostatic struct ieee80211vap * 628253789Srpaulorsu_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 629253789Srpaulo enum ieee80211_opmode opmode, int flags, 630253789Srpaulo const uint8_t bssid[IEEE80211_ADDR_LEN], 631253789Srpaulo const uint8_t mac[IEEE80211_ADDR_LEN]) 632253789Srpaulo{ 633253789Srpaulo struct rsu_vap *uvp; 634253789Srpaulo struct ieee80211vap *vap; 635253789Srpaulo 636253789Srpaulo if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 637253789Srpaulo return (NULL); 638253789Srpaulo 639287197Sglebius uvp = malloc(sizeof(struct rsu_vap), M_80211_VAP, M_WAITOK | M_ZERO); 640253789Srpaulo vap = &uvp->vap; 641253789Srpaulo 642257743Shselasky if (ieee80211_vap_setup(ic, vap, name, unit, opmode, 643287197Sglebius flags, bssid) != 0) { 644257743Shselasky /* out of memory */ 645257743Shselasky free(uvp, M_80211_VAP); 646257743Shselasky return (NULL); 647257743Shselasky } 648257743Shselasky 649253789Srpaulo /* override state transition machine */ 650253789Srpaulo uvp->newstate = vap->iv_newstate; 651253789Srpaulo vap->iv_newstate = rsu_newstate; 652253789Srpaulo 653287950Sadrian /* Limits from the r92su driver */ 654287950Sadrian vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_16; 655287950Sadrian vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K; 656287950Sadrian 657253789Srpaulo /* complete setup */ 658253789Srpaulo ieee80211_vap_attach(vap, ieee80211_media_change, 659287197Sglebius ieee80211_media_status, mac); 660253789Srpaulo ic->ic_opmode = opmode; 661253789Srpaulo 662253789Srpaulo return (vap); 663253789Srpaulo} 664253789Srpaulo 665253789Srpaulostatic void 666253789Srpaulorsu_vap_delete(struct ieee80211vap *vap) 667253789Srpaulo{ 668253789Srpaulo struct rsu_vap *uvp = RSU_VAP(vap); 669253789Srpaulo 670253789Srpaulo ieee80211_vap_detach(vap); 671253789Srpaulo free(uvp, M_80211_VAP); 672253789Srpaulo} 673253789Srpaulo 674253789Srpaulostatic void 675253789Srpaulorsu_scan_start(struct ieee80211com *ic) 676253789Srpaulo{ 677287197Sglebius struct rsu_softc *sc = ic->ic_softc; 678253789Srpaulo int error; 679253789Srpaulo 680253789Srpaulo /* Scanning is done by the firmware. */ 681253789Srpaulo RSU_LOCK(sc); 682288089Sadrian /* XXX TODO: force awake if in in network-sleep? */ 683253789Srpaulo error = rsu_site_survey(sc, TAILQ_FIRST(&ic->ic_vaps)); 684253789Srpaulo RSU_UNLOCK(sc); 685253789Srpaulo if (error != 0) 686253789Srpaulo device_printf(sc->sc_dev, 687253789Srpaulo "could not send site survey command\n"); 688253789Srpaulo} 689253789Srpaulo 690253789Srpaulostatic void 691253789Srpaulorsu_scan_end(struct ieee80211com *ic) 692253789Srpaulo{ 693253789Srpaulo /* Nothing to do here. */ 694253789Srpaulo} 695253789Srpaulo 696253789Srpaulostatic void 697253789Srpaulorsu_set_channel(struct ieee80211com *ic __unused) 698253789Srpaulo{ 699253789Srpaulo /* We are unable to switch channels, yet. */ 700253789Srpaulo} 701253789Srpaulo 702253789Srpaulostatic void 703283540Sglebiusrsu_update_mcast(struct ieee80211com *ic) 704253789Srpaulo{ 705253789Srpaulo /* XXX do nothing? */ 706253789Srpaulo} 707253789Srpaulo 708253789Srpaulostatic int 709253789Srpaulorsu_alloc_list(struct rsu_softc *sc, struct rsu_data data[], 710253789Srpaulo int ndata, int maxsz) 711253789Srpaulo{ 712253789Srpaulo int i, error; 713253789Srpaulo 714253789Srpaulo for (i = 0; i < ndata; i++) { 715253789Srpaulo struct rsu_data *dp = &data[i]; 716253789Srpaulo dp->sc = sc; 717253789Srpaulo dp->m = NULL; 718253789Srpaulo dp->buf = malloc(maxsz, M_USBDEV, M_NOWAIT); 719253789Srpaulo if (dp->buf == NULL) { 720253789Srpaulo device_printf(sc->sc_dev, 721253789Srpaulo "could not allocate buffer\n"); 722253789Srpaulo error = ENOMEM; 723253789Srpaulo goto fail; 724253789Srpaulo } 725253789Srpaulo dp->ni = NULL; 726253789Srpaulo } 727253789Srpaulo 728253789Srpaulo return (0); 729253789Srpaulofail: 730253789Srpaulo rsu_free_list(sc, data, ndata); 731253789Srpaulo return (error); 732253789Srpaulo} 733253789Srpaulo 734253789Srpaulostatic int 735253789Srpaulorsu_alloc_rx_list(struct rsu_softc *sc) 736253789Srpaulo{ 737253789Srpaulo int error, i; 738253789Srpaulo 739253789Srpaulo error = rsu_alloc_list(sc, sc->sc_rx, RSU_RX_LIST_COUNT, 740253789Srpaulo RSU_RXBUFSZ); 741253789Srpaulo if (error != 0) 742253789Srpaulo return (error); 743253789Srpaulo 744253789Srpaulo STAILQ_INIT(&sc->sc_rx_active); 745253789Srpaulo STAILQ_INIT(&sc->sc_rx_inactive); 746253789Srpaulo 747253789Srpaulo for (i = 0; i < RSU_RX_LIST_COUNT; i++) 748253789Srpaulo STAILQ_INSERT_HEAD(&sc->sc_rx_inactive, &sc->sc_rx[i], next); 749253789Srpaulo 750253789Srpaulo return (0); 751253789Srpaulo} 752253789Srpaulo 753253789Srpaulostatic int 754253789Srpaulorsu_alloc_tx_list(struct rsu_softc *sc) 755253789Srpaulo{ 756253789Srpaulo int error, i; 757253789Srpaulo 758253789Srpaulo error = rsu_alloc_list(sc, sc->sc_tx, RSU_TX_LIST_COUNT, 759253789Srpaulo RSU_TXBUFSZ); 760253789Srpaulo if (error != 0) 761253789Srpaulo return (error); 762253789Srpaulo 763253789Srpaulo STAILQ_INIT(&sc->sc_tx_inactive); 764253789Srpaulo 765267041Shselasky for (i = 0; i != RSU_N_TRANSFER; i++) { 766266505Shselasky STAILQ_INIT(&sc->sc_tx_active[i]); 767266505Shselasky STAILQ_INIT(&sc->sc_tx_pending[i]); 768266505Shselasky } 769266505Shselasky 770253789Srpaulo for (i = 0; i < RSU_TX_LIST_COUNT; i++) { 771253789Srpaulo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, &sc->sc_tx[i], next); 772253789Srpaulo } 773253789Srpaulo 774253789Srpaulo return (0); 775253789Srpaulo} 776253789Srpaulo 777253789Srpaulostatic void 778253789Srpaulorsu_free_tx_list(struct rsu_softc *sc) 779253789Srpaulo{ 780266535Shselasky int i; 781266535Shselasky 782266535Shselasky /* prevent further allocations from TX list(s) */ 783266535Shselasky STAILQ_INIT(&sc->sc_tx_inactive); 784266535Shselasky 785267041Shselasky for (i = 0; i != RSU_N_TRANSFER; i++) { 786266535Shselasky STAILQ_INIT(&sc->sc_tx_active[i]); 787266535Shselasky STAILQ_INIT(&sc->sc_tx_pending[i]); 788266535Shselasky } 789266535Shselasky 790253789Srpaulo rsu_free_list(sc, sc->sc_tx, RSU_TX_LIST_COUNT); 791253789Srpaulo} 792253789Srpaulo 793253789Srpaulostatic void 794253789Srpaulorsu_free_rx_list(struct rsu_softc *sc) 795253789Srpaulo{ 796266535Shselasky /* prevent further allocations from RX list(s) */ 797266535Shselasky STAILQ_INIT(&sc->sc_rx_inactive); 798266535Shselasky STAILQ_INIT(&sc->sc_rx_active); 799266535Shselasky 800253789Srpaulo rsu_free_list(sc, sc->sc_rx, RSU_RX_LIST_COUNT); 801253789Srpaulo} 802253789Srpaulo 803253789Srpaulostatic void 804253789Srpaulorsu_free_list(struct rsu_softc *sc, struct rsu_data data[], int ndata) 805253789Srpaulo{ 806253789Srpaulo int i; 807253789Srpaulo 808253789Srpaulo for (i = 0; i < ndata; i++) { 809253789Srpaulo struct rsu_data *dp = &data[i]; 810253789Srpaulo 811253789Srpaulo if (dp->buf != NULL) { 812253789Srpaulo free(dp->buf, M_USBDEV); 813253789Srpaulo dp->buf = NULL; 814253789Srpaulo } 815253789Srpaulo if (dp->ni != NULL) { 816253789Srpaulo ieee80211_free_node(dp->ni); 817253789Srpaulo dp->ni = NULL; 818253789Srpaulo } 819253789Srpaulo } 820253789Srpaulo} 821253789Srpaulo 822253789Srpaulostatic struct rsu_data * 823253789Srpaulo_rsu_getbuf(struct rsu_softc *sc) 824253789Srpaulo{ 825253789Srpaulo struct rsu_data *bf; 826253789Srpaulo 827253789Srpaulo bf = STAILQ_FIRST(&sc->sc_tx_inactive); 828253789Srpaulo if (bf != NULL) 829253789Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_tx_inactive, next); 830253789Srpaulo else 831253789Srpaulo bf = NULL; 832287954Sadrian return (bf); 833253789Srpaulo} 834253789Srpaulo 835253789Srpaulostatic struct rsu_data * 836253789Srpaulorsu_getbuf(struct rsu_softc *sc) 837253789Srpaulo{ 838253789Srpaulo struct rsu_data *bf; 839253789Srpaulo 840253789Srpaulo RSU_ASSERT_LOCKED(sc); 841253789Srpaulo 842253789Srpaulo bf = _rsu_getbuf(sc); 843288051Sadrian if (bf == NULL) { 844288051Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TX, "%s: no buffers\n", __func__); 845288051Sadrian } 846253789Srpaulo return (bf); 847253789Srpaulo} 848253789Srpaulo 849287953Sadrianstatic void 850287953Sadrianrsu_freebuf(struct rsu_softc *sc, struct rsu_data *bf) 851287953Sadrian{ 852287953Sadrian 853287953Sadrian RSU_ASSERT_LOCKED(sc); 854287953Sadrian STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, bf, next); 855287953Sadrian} 856287953Sadrian 857253789Srpaulostatic int 858253789Srpaulorsu_write_region_1(struct rsu_softc *sc, uint16_t addr, uint8_t *buf, 859253789Srpaulo int len) 860253789Srpaulo{ 861253789Srpaulo usb_device_request_t req; 862253789Srpaulo 863253789Srpaulo req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 864253789Srpaulo req.bRequest = R92S_REQ_REGS; 865253789Srpaulo USETW(req.wValue, addr); 866253789Srpaulo USETW(req.wIndex, 0); 867253789Srpaulo USETW(req.wLength, len); 868253789Srpaulo 869253789Srpaulo return (rsu_do_request(sc, &req, buf)); 870253789Srpaulo} 871253789Srpaulo 872253789Srpaulostatic void 873253789Srpaulorsu_write_1(struct rsu_softc *sc, uint16_t addr, uint8_t val) 874253789Srpaulo{ 875253789Srpaulo rsu_write_region_1(sc, addr, &val, 1); 876253789Srpaulo} 877253789Srpaulo 878253789Srpaulostatic void 879253789Srpaulorsu_write_2(struct rsu_softc *sc, uint16_t addr, uint16_t val) 880253789Srpaulo{ 881253789Srpaulo val = htole16(val); 882253789Srpaulo rsu_write_region_1(sc, addr, (uint8_t *)&val, 2); 883253789Srpaulo} 884253789Srpaulo 885253789Srpaulostatic void 886253789Srpaulorsu_write_4(struct rsu_softc *sc, uint16_t addr, uint32_t val) 887253789Srpaulo{ 888253789Srpaulo val = htole32(val); 889253789Srpaulo rsu_write_region_1(sc, addr, (uint8_t *)&val, 4); 890253789Srpaulo} 891253789Srpaulo 892253789Srpaulostatic int 893253789Srpaulorsu_read_region_1(struct rsu_softc *sc, uint16_t addr, uint8_t *buf, 894253789Srpaulo int len) 895253789Srpaulo{ 896253789Srpaulo usb_device_request_t req; 897253789Srpaulo 898253789Srpaulo req.bmRequestType = UT_READ_VENDOR_DEVICE; 899253789Srpaulo req.bRequest = R92S_REQ_REGS; 900253789Srpaulo USETW(req.wValue, addr); 901253789Srpaulo USETW(req.wIndex, 0); 902253789Srpaulo USETW(req.wLength, len); 903253789Srpaulo 904253789Srpaulo return (rsu_do_request(sc, &req, buf)); 905253789Srpaulo} 906253789Srpaulo 907253789Srpaulostatic uint8_t 908253789Srpaulorsu_read_1(struct rsu_softc *sc, uint16_t addr) 909253789Srpaulo{ 910253789Srpaulo uint8_t val; 911253789Srpaulo 912253789Srpaulo if (rsu_read_region_1(sc, addr, &val, 1) != 0) 913253789Srpaulo return (0xff); 914253789Srpaulo return (val); 915253789Srpaulo} 916253789Srpaulo 917253789Srpaulostatic uint16_t 918253789Srpaulorsu_read_2(struct rsu_softc *sc, uint16_t addr) 919253789Srpaulo{ 920253789Srpaulo uint16_t val; 921253789Srpaulo 922253789Srpaulo if (rsu_read_region_1(sc, addr, (uint8_t *)&val, 2) != 0) 923253789Srpaulo return (0xffff); 924253789Srpaulo return (le16toh(val)); 925253789Srpaulo} 926253789Srpaulo 927253789Srpaulostatic uint32_t 928253789Srpaulorsu_read_4(struct rsu_softc *sc, uint16_t addr) 929253789Srpaulo{ 930253789Srpaulo uint32_t val; 931253789Srpaulo 932253789Srpaulo if (rsu_read_region_1(sc, addr, (uint8_t *)&val, 4) != 0) 933253789Srpaulo return (0xffffffff); 934253789Srpaulo return (le32toh(val)); 935253789Srpaulo} 936253789Srpaulo 937253789Srpaulostatic int 938253789Srpaulorsu_fw_iocmd(struct rsu_softc *sc, uint32_t iocmd) 939253789Srpaulo{ 940253789Srpaulo int ntries; 941253789Srpaulo 942253789Srpaulo rsu_write_4(sc, R92S_IOCMD_CTRL, iocmd); 943287892Sadrian rsu_ms_delay(sc, 1); 944253789Srpaulo for (ntries = 0; ntries < 50; ntries++) { 945253789Srpaulo if (rsu_read_4(sc, R92S_IOCMD_CTRL) == 0) 946253789Srpaulo return (0); 947287892Sadrian rsu_ms_delay(sc, 1); 948253789Srpaulo } 949253789Srpaulo return (ETIMEDOUT); 950253789Srpaulo} 951253789Srpaulo 952253789Srpaulostatic uint8_t 953253789Srpaulorsu_efuse_read_1(struct rsu_softc *sc, uint16_t addr) 954253789Srpaulo{ 955253789Srpaulo uint32_t reg; 956253789Srpaulo int ntries; 957253789Srpaulo 958253789Srpaulo reg = rsu_read_4(sc, R92S_EFUSE_CTRL); 959253789Srpaulo reg = RW(reg, R92S_EFUSE_CTRL_ADDR, addr); 960253789Srpaulo reg &= ~R92S_EFUSE_CTRL_VALID; 961253789Srpaulo rsu_write_4(sc, R92S_EFUSE_CTRL, reg); 962253789Srpaulo /* Wait for read operation to complete. */ 963253789Srpaulo for (ntries = 0; ntries < 100; ntries++) { 964253789Srpaulo reg = rsu_read_4(sc, R92S_EFUSE_CTRL); 965253789Srpaulo if (reg & R92S_EFUSE_CTRL_VALID) 966253789Srpaulo return (MS(reg, R92S_EFUSE_CTRL_DATA)); 967287892Sadrian rsu_ms_delay(sc, 1); 968253789Srpaulo } 969253789Srpaulo device_printf(sc->sc_dev, 970253789Srpaulo "could not read efuse byte at address 0x%x\n", addr); 971253789Srpaulo return (0xff); 972253789Srpaulo} 973253789Srpaulo 974253789Srpaulostatic int 975253789Srpaulorsu_read_rom(struct rsu_softc *sc) 976253789Srpaulo{ 977253789Srpaulo uint8_t *rom = sc->rom; 978253789Srpaulo uint16_t addr = 0; 979253789Srpaulo uint32_t reg; 980253789Srpaulo uint8_t off, msk; 981253789Srpaulo int i; 982253789Srpaulo 983253789Srpaulo /* Make sure that ROM type is eFuse and that autoload succeeded. */ 984253789Srpaulo reg = rsu_read_1(sc, R92S_EE_9346CR); 985253789Srpaulo if ((reg & (R92S_9356SEL | R92S_EEPROM_EN)) != R92S_EEPROM_EN) 986253789Srpaulo return (EIO); 987253789Srpaulo 988253789Srpaulo /* Turn on 2.5V to prevent eFuse leakage. */ 989253789Srpaulo reg = rsu_read_1(sc, R92S_EFUSE_TEST + 3); 990253789Srpaulo rsu_write_1(sc, R92S_EFUSE_TEST + 3, reg | 0x80); 991287892Sadrian rsu_ms_delay(sc, 1); 992253789Srpaulo rsu_write_1(sc, R92S_EFUSE_TEST + 3, reg & ~0x80); 993253789Srpaulo 994253789Srpaulo /* Read full ROM image. */ 995253789Srpaulo memset(&sc->rom, 0xff, sizeof(sc->rom)); 996253789Srpaulo while (addr < 512) { 997253789Srpaulo reg = rsu_efuse_read_1(sc, addr); 998253789Srpaulo if (reg == 0xff) 999253789Srpaulo break; 1000253789Srpaulo addr++; 1001253789Srpaulo off = reg >> 4; 1002253789Srpaulo msk = reg & 0xf; 1003253789Srpaulo for (i = 0; i < 4; i++) { 1004253789Srpaulo if (msk & (1 << i)) 1005253789Srpaulo continue; 1006253789Srpaulo rom[off * 8 + i * 2 + 0] = 1007253789Srpaulo rsu_efuse_read_1(sc, addr); 1008253789Srpaulo addr++; 1009253789Srpaulo rom[off * 8 + i * 2 + 1] = 1010253789Srpaulo rsu_efuse_read_1(sc, addr); 1011253789Srpaulo addr++; 1012253789Srpaulo } 1013253789Srpaulo } 1014253789Srpaulo#ifdef USB_DEBUG 1015253789Srpaulo if (rsu_debug >= 5) { 1016253789Srpaulo /* Dump ROM content. */ 1017253789Srpaulo printf("\n"); 1018253789Srpaulo for (i = 0; i < sizeof(sc->rom); i++) 1019253789Srpaulo printf("%02x:", rom[i]); 1020253789Srpaulo printf("\n"); 1021253789Srpaulo } 1022253789Srpaulo#endif 1023253789Srpaulo return (0); 1024253789Srpaulo} 1025253789Srpaulo 1026253789Srpaulostatic int 1027253789Srpaulorsu_fw_cmd(struct rsu_softc *sc, uint8_t code, void *buf, int len) 1028253789Srpaulo{ 1029287896Sadrian const uint8_t which = RSU_H2C_ENDPOINT; 1030253789Srpaulo struct rsu_data *data; 1031253789Srpaulo struct r92s_tx_desc *txd; 1032253789Srpaulo struct r92s_fw_cmd_hdr *cmd; 1033266505Shselasky int cmdsz; 1034266505Shselasky int xferlen; 1035253789Srpaulo 1036287954Sadrian RSU_ASSERT_LOCKED(sc); 1037287954Sadrian 1038253789Srpaulo data = rsu_getbuf(sc); 1039253789Srpaulo if (data == NULL) 1040253789Srpaulo return (ENOMEM); 1041253789Srpaulo 1042288089Sadrian /* Blank the entire payload, just to be safe */ 1043288089Sadrian memset(data->buf, '\0', RSU_TXBUFSZ); 1044288089Sadrian 1045253789Srpaulo /* Round-up command length to a multiple of 8 bytes. */ 1046288089Sadrian /* XXX TODO: is this required? */ 1047253789Srpaulo cmdsz = (len + 7) & ~7; 1048253789Srpaulo 1049253789Srpaulo xferlen = sizeof(*txd) + sizeof(*cmd) + cmdsz; 1050253789Srpaulo KASSERT(xferlen <= RSU_TXBUFSZ, ("%s: invalid length", __func__)); 1051253789Srpaulo memset(data->buf, 0, xferlen); 1052253789Srpaulo 1053253789Srpaulo /* Setup Tx descriptor. */ 1054253789Srpaulo txd = (struct r92s_tx_desc *)data->buf; 1055253789Srpaulo txd->txdw0 = htole32( 1056253789Srpaulo SM(R92S_TXDW0_OFFSET, sizeof(*txd)) | 1057253789Srpaulo SM(R92S_TXDW0_PKTLEN, sizeof(*cmd) + cmdsz) | 1058253789Srpaulo R92S_TXDW0_OWN | R92S_TXDW0_FSG | R92S_TXDW0_LSG); 1059253789Srpaulo txd->txdw1 = htole32(SM(R92S_TXDW1_QSEL, R92S_TXDW1_QSEL_H2C)); 1060253789Srpaulo 1061253789Srpaulo /* Setup command header. */ 1062253789Srpaulo cmd = (struct r92s_fw_cmd_hdr *)&txd[1]; 1063253789Srpaulo cmd->len = htole16(cmdsz); 1064253789Srpaulo cmd->code = code; 1065253789Srpaulo cmd->seq = sc->cmd_seq; 1066253789Srpaulo sc->cmd_seq = (sc->cmd_seq + 1) & 0x7f; 1067253789Srpaulo 1068253789Srpaulo /* Copy command payload. */ 1069253789Srpaulo memcpy(&cmd[1], buf, len); 1070253789Srpaulo 1071287740Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TX | RSU_DEBUG_FWCMD, 1072287727Sadrian "%s: Tx cmd code=0x%x len=0x%x\n", 1073287727Sadrian __func__, code, cmdsz); 1074253789Srpaulo data->buflen = xferlen; 1075266505Shselasky STAILQ_INSERT_TAIL(&sc->sc_tx_pending[which], data, next); 1076267041Shselasky usbd_transfer_start(sc->sc_xfer[which]); 1077253789Srpaulo 1078253789Srpaulo return (0); 1079253789Srpaulo} 1080253789Srpaulo 1081253789Srpaulo/* ARGSUSED */ 1082253789Srpaulostatic void 1083253789Srpaulorsu_calib_task(void *arg, int pending __unused) 1084253789Srpaulo{ 1085253789Srpaulo struct rsu_softc *sc = arg; 1086288414Sadrian#ifdef notyet 1087253789Srpaulo uint32_t reg; 1088288414Sadrian#endif 1089253789Srpaulo 1090287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_CALIB, "%s: running calibration task\n", 1091287727Sadrian __func__); 1092267041Shselasky 1093253789Srpaulo RSU_LOCK(sc); 1094253789Srpaulo#ifdef notyet 1095253789Srpaulo /* Read WPS PBC status. */ 1096253789Srpaulo rsu_write_1(sc, R92S_MAC_PINMUX_CTRL, 1097253789Srpaulo R92S_GPIOMUX_EN | SM(R92S_GPIOSEL_GPIO, R92S_GPIOSEL_GPIO_JTAG)); 1098253789Srpaulo rsu_write_1(sc, R92S_GPIO_IO_SEL, 1099253789Srpaulo rsu_read_1(sc, R92S_GPIO_IO_SEL) & ~R92S_GPIO_WPS); 1100253789Srpaulo reg = rsu_read_1(sc, R92S_GPIO_CTRL); 1101253789Srpaulo if (reg != 0xff && (reg & R92S_GPIO_WPS)) 1102253789Srpaulo DPRINTF(("WPS PBC is pushed\n")); 1103253789Srpaulo#endif 1104253789Srpaulo /* Read current signal level. */ 1105253789Srpaulo if (rsu_fw_iocmd(sc, 0xf4000001) == 0) { 1106288414Sadrian sc->sc_currssi = rsu_read_4(sc, R92S_IOCMD_DATA); 1107288414Sadrian RSU_DPRINTF(sc, RSU_DEBUG_CALIB, "%s: RSSI=%d (%d)\n", 1108288414Sadrian __func__, sc->sc_currssi, 1109288414Sadrian rsu_hwrssi_to_rssi(sc, sc->sc_currssi)); 1110253789Srpaulo } 1111267041Shselasky if (sc->sc_calibrating) 1112267041Shselasky taskqueue_enqueue_timeout(taskqueue_thread, &sc->calib_task, hz); 1113267041Shselasky RSU_UNLOCK(sc); 1114253789Srpaulo} 1115253789Srpaulo 1116288052Sadrianstatic void 1117288052Sadrianrsu_tx_task(void *arg, int pending __unused) 1118288052Sadrian{ 1119288052Sadrian struct rsu_softc *sc = arg; 1120288052Sadrian 1121288052Sadrian RSU_LOCK(sc); 1122288052Sadrian _rsu_start(sc); 1123288052Sadrian RSU_UNLOCK(sc); 1124288052Sadrian} 1125288052Sadrian 1126288094Sadrian#define RSU_PWR_UNKNOWN 0x0 1127288089Sadrian#define RSU_PWR_ACTIVE 0x1 1128288089Sadrian#define RSU_PWR_OFF 0x2 1129288089Sadrian#define RSU_PWR_SLEEP 0x3 1130288089Sadrian 1131288089Sadrian/* 1132288089Sadrian * Set the current power state. 1133288089Sadrian * 1134288089Sadrian * The rtlwifi code doesn't do this so aggressively; it 1135288089Sadrian * waits for an idle period after association with 1136288089Sadrian * no traffic before doing this. 1137288089Sadrian * 1138288089Sadrian * For now - it's on in all states except RUN, and 1139288089Sadrian * in RUN it'll transition to allow sleep. 1140288089Sadrian */ 1141288089Sadrian 1142288089Sadrianstruct r92s_pwr_cmd { 1143288089Sadrian uint8_t mode; 1144288089Sadrian uint8_t smart_ps; 1145288089Sadrian uint8_t bcn_pass_time; 1146288089Sadrian}; 1147288089Sadrian 1148253789Srpaulostatic int 1149288089Sadrianrsu_set_fw_power_state(struct rsu_softc *sc, int state) 1150288089Sadrian{ 1151288089Sadrian struct r92s_set_pwr_mode cmd; 1152288089Sadrian //struct r92s_pwr_cmd cmd; 1153288089Sadrian int error; 1154288089Sadrian 1155288094Sadrian RSU_ASSERT_LOCKED(sc); 1156288094Sadrian 1157288094Sadrian /* only change state if required */ 1158288094Sadrian if (sc->sc_curpwrstate == state) 1159288094Sadrian return (0); 1160288094Sadrian 1161288089Sadrian memset(&cmd, 0, sizeof(cmd)); 1162288089Sadrian 1163288089Sadrian switch (state) { 1164288089Sadrian case RSU_PWR_ACTIVE: 1165288089Sadrian /* Force the hardware awake */ 1166288089Sadrian rsu_write_1(sc, R92S_USB_HRPWM, 1167288089Sadrian R92S_USB_HRPWM_PS_ST_ACTIVE | R92S_USB_HRPWM_PS_ALL_ON); 1168288089Sadrian cmd.mode = R92S_PS_MODE_ACTIVE; 1169288089Sadrian break; 1170288089Sadrian case RSU_PWR_SLEEP: 1171288089Sadrian cmd.mode = R92S_PS_MODE_DTIM; /* XXX configurable? */ 1172288089Sadrian cmd.smart_ps = 1; /* XXX 2 if doing p2p */ 1173288089Sadrian cmd.bcn_pass_time = 5; /* in 100mS usb.c, linux/rtlwifi */ 1174288089Sadrian break; 1175288094Sadrian case RSU_PWR_OFF: 1176288094Sadrian cmd.mode = R92S_PS_MODE_RADIOOFF; 1177288094Sadrian break; 1178288089Sadrian default: 1179288089Sadrian device_printf(sc->sc_dev, "%s: unknown ps mode (%d)\n", 1180288089Sadrian __func__, 1181288089Sadrian state); 1182288089Sadrian return (ENXIO); 1183288089Sadrian } 1184288089Sadrian 1185288089Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RESET, 1186288089Sadrian "%s: setting ps mode to %d (mode %d)\n", 1187288089Sadrian __func__, state, cmd.mode); 1188288089Sadrian error = rsu_fw_cmd(sc, R92S_CMD_SET_PWR_MODE, &cmd, sizeof(cmd)); 1189288094Sadrian if (error == 0) 1190288094Sadrian sc->sc_curpwrstate = state; 1191288089Sadrian 1192288089Sadrian return (error); 1193288089Sadrian} 1194288089Sadrian 1195288089Sadrianstatic int 1196253789Srpaulorsu_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1197253789Srpaulo{ 1198253789Srpaulo struct rsu_vap *uvp = RSU_VAP(vap); 1199253789Srpaulo struct ieee80211com *ic = vap->iv_ic; 1200286950Sadrian struct rsu_softc *sc = ic->ic_softc; 1201253789Srpaulo struct ieee80211_node *ni; 1202253789Srpaulo struct ieee80211_rateset *rs; 1203253789Srpaulo enum ieee80211_state ostate; 1204253789Srpaulo int error, startcal = 0; 1205253789Srpaulo 1206253789Srpaulo ostate = vap->iv_state; 1207287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_STATE, "%s: %s -> %s\n", 1208287727Sadrian __func__, 1209287727Sadrian ieee80211_state_name[ostate], 1210253789Srpaulo ieee80211_state_name[nstate]); 1211253789Srpaulo 1212253789Srpaulo IEEE80211_UNLOCK(ic); 1213253789Srpaulo if (ostate == IEEE80211_S_RUN) { 1214253789Srpaulo RSU_LOCK(sc); 1215253789Srpaulo /* Stop calibration. */ 1216253789Srpaulo sc->sc_calibrating = 0; 1217253789Srpaulo RSU_UNLOCK(sc); 1218253789Srpaulo taskqueue_drain_timeout(taskqueue_thread, &sc->calib_task); 1219288052Sadrian taskqueue_drain(taskqueue_thread, &sc->tx_task); 1220253789Srpaulo /* Disassociate from our current BSS. */ 1221253789Srpaulo RSU_LOCK(sc); 1222253789Srpaulo rsu_disconnect(sc); 1223253789Srpaulo } else 1224253789Srpaulo RSU_LOCK(sc); 1225253789Srpaulo switch (nstate) { 1226253789Srpaulo case IEEE80211_S_INIT: 1227288089Sadrian (void) rsu_set_fw_power_state(sc, RSU_PWR_ACTIVE); 1228253789Srpaulo break; 1229253789Srpaulo case IEEE80211_S_AUTH: 1230253789Srpaulo ni = ieee80211_ref_node(vap->iv_bss); 1231288089Sadrian (void) rsu_set_fw_power_state(sc, RSU_PWR_ACTIVE); 1232253789Srpaulo error = rsu_join_bss(sc, ni); 1233253789Srpaulo ieee80211_free_node(ni); 1234253789Srpaulo if (error != 0) { 1235253789Srpaulo device_printf(sc->sc_dev, 1236253789Srpaulo "could not send join command\n"); 1237253789Srpaulo } 1238253789Srpaulo break; 1239253789Srpaulo case IEEE80211_S_RUN: 1240253789Srpaulo ni = ieee80211_ref_node(vap->iv_bss); 1241253789Srpaulo rs = &ni->ni_rates; 1242253789Srpaulo /* Indicate highest supported rate. */ 1243253789Srpaulo ni->ni_txrate = rs->rs_rates[rs->rs_nrates - 1]; 1244288089Sadrian (void) rsu_set_fw_power_state(sc, RSU_PWR_SLEEP); 1245253789Srpaulo ieee80211_free_node(ni); 1246253789Srpaulo startcal = 1; 1247253789Srpaulo break; 1248253789Srpaulo default: 1249253789Srpaulo break; 1250253789Srpaulo } 1251253789Srpaulo sc->sc_calibrating = 1; 1252267041Shselasky /* Start periodic calibration. */ 1253267041Shselasky taskqueue_enqueue_timeout(taskqueue_thread, &sc->calib_task, hz); 1254253789Srpaulo RSU_UNLOCK(sc); 1255253789Srpaulo IEEE80211_LOCK(ic); 1256253789Srpaulo return (uvp->newstate(vap, nstate, arg)); 1257253789Srpaulo} 1258253789Srpaulo 1259253789Srpaulo#ifdef notyet 1260253789Srpaulostatic void 1261253789Srpaulorsu_set_key(struct rsu_softc *sc, const struct ieee80211_key *k) 1262253789Srpaulo{ 1263253789Srpaulo struct r92s_fw_cmd_set_key key; 1264253789Srpaulo 1265253789Srpaulo memset(&key, 0, sizeof(key)); 1266253789Srpaulo /* Map net80211 cipher to HW crypto algorithm. */ 1267253789Srpaulo switch (k->wk_cipher->ic_cipher) { 1268253789Srpaulo case IEEE80211_CIPHER_WEP: 1269253789Srpaulo if (k->wk_keylen < 8) 1270253789Srpaulo key.algo = R92S_KEY_ALGO_WEP40; 1271253789Srpaulo else 1272253789Srpaulo key.algo = R92S_KEY_ALGO_WEP104; 1273253789Srpaulo break; 1274253789Srpaulo case IEEE80211_CIPHER_TKIP: 1275253789Srpaulo key.algo = R92S_KEY_ALGO_TKIP; 1276253789Srpaulo break; 1277253789Srpaulo case IEEE80211_CIPHER_AES_CCM: 1278253789Srpaulo key.algo = R92S_KEY_ALGO_AES; 1279253789Srpaulo break; 1280253789Srpaulo default: 1281253789Srpaulo return; 1282253789Srpaulo } 1283253789Srpaulo key.id = k->wk_keyix; 1284253789Srpaulo key.grpkey = (k->wk_flags & IEEE80211_KEY_GROUP) != 0; 1285253789Srpaulo memcpy(key.key, k->wk_key, MIN(k->wk_keylen, sizeof(key.key))); 1286253789Srpaulo (void)rsu_fw_cmd(sc, R92S_CMD_SET_KEY, &key, sizeof(key)); 1287253789Srpaulo} 1288253789Srpaulo 1289253789Srpaulostatic void 1290253789Srpaulorsu_delete_key(struct rsu_softc *sc, const struct ieee80211_key *k) 1291253789Srpaulo{ 1292253789Srpaulo struct r92s_fw_cmd_set_key key; 1293253789Srpaulo 1294253789Srpaulo memset(&key, 0, sizeof(key)); 1295253789Srpaulo key.id = k->wk_keyix; 1296253789Srpaulo (void)rsu_fw_cmd(sc, R92S_CMD_SET_KEY, &key, sizeof(key)); 1297253789Srpaulo} 1298253789Srpaulo#endif 1299253789Srpaulo 1300253789Srpaulostatic int 1301253789Srpaulorsu_site_survey(struct rsu_softc *sc, struct ieee80211vap *vap) 1302253789Srpaulo{ 1303253789Srpaulo struct r92s_fw_cmd_sitesurvey cmd; 1304287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1305287954Sadrian int r; 1306253789Srpaulo 1307287954Sadrian RSU_ASSERT_LOCKED(sc); 1308287954Sadrian 1309253789Srpaulo memset(&cmd, 0, sizeof(cmd)); 1310287197Sglebius if ((ic->ic_flags & IEEE80211_F_ASCAN) || sc->sc_scan_pass == 1) 1311253789Srpaulo cmd.active = htole32(1); 1312253789Srpaulo cmd.limit = htole32(48); 1313287197Sglebius if (sc->sc_scan_pass == 1 && vap->iv_des_nssid > 0) { 1314253789Srpaulo /* Do a directed scan for second pass. */ 1315253789Srpaulo cmd.ssidlen = htole32(vap->iv_des_ssid[0].len); 1316253789Srpaulo memcpy(cmd.ssid, vap->iv_des_ssid[0].ssid, 1317253789Srpaulo vap->iv_des_ssid[0].len); 1318253789Srpaulo 1319253789Srpaulo } 1320287197Sglebius DPRINTF("sending site survey command, pass=%d\n", sc->sc_scan_pass); 1321287954Sadrian r = rsu_fw_cmd(sc, R92S_CMD_SITE_SURVEY, &cmd, sizeof(cmd)); 1322287954Sadrian if (r == 0) { 1323287954Sadrian sc->sc_scanning = 1; 1324287954Sadrian } 1325287954Sadrian return (r); 1326253789Srpaulo} 1327253789Srpaulo 1328253789Srpaulostatic int 1329253789Srpaulorsu_join_bss(struct rsu_softc *sc, struct ieee80211_node *ni) 1330253789Srpaulo{ 1331287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1332253789Srpaulo struct ieee80211vap *vap = ni->ni_vap; 1333253789Srpaulo struct ndis_wlan_bssid_ex *bss; 1334253789Srpaulo struct ndis_802_11_fixed_ies *fixed; 1335253789Srpaulo struct r92s_fw_cmd_auth auth; 1336267066Shselasky uint8_t buf[sizeof(*bss) + 128] __aligned(4); 1337267066Shselasky uint8_t *frm; 1338253789Srpaulo uint8_t opmode; 1339253789Srpaulo int error; 1340287954Sadrian int cnt; 1341287954Sadrian char *msg = "rsujoin"; 1342253789Srpaulo 1343287954Sadrian RSU_ASSERT_LOCKED(sc); 1344287954Sadrian 1345287954Sadrian /* 1346287954Sadrian * Until net80211 scanning doesn't automatically finish 1347287954Sadrian * before we tell it to, let's just wait until any pending 1348287954Sadrian * scan is done. 1349287954Sadrian * 1350287954Sadrian * XXX TODO: yes, this releases and re-acquires the lock. 1351287954Sadrian * We should re-verify the state whenever we re-attempt this! 1352287954Sadrian */ 1353287954Sadrian cnt = 0; 1354287954Sadrian while (sc->sc_scanning && cnt < 10) { 1355287954Sadrian device_printf(sc->sc_dev, 1356287954Sadrian "%s: still scanning! (attempt %d)\n", 1357287954Sadrian __func__, cnt); 1358287954Sadrian msleep(msg, &sc->sc_mtx, 0, msg, hz / 2); 1359287954Sadrian cnt++; 1360287954Sadrian } 1361287954Sadrian 1362253789Srpaulo /* Let the FW decide the opmode based on the capinfo field. */ 1363253789Srpaulo opmode = NDIS802_11AUTOUNKNOWN; 1364287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RESET, 1365287727Sadrian "%s: setting operating mode to %d\n", 1366287727Sadrian __func__, opmode); 1367253789Srpaulo error = rsu_fw_cmd(sc, R92S_CMD_SET_OPMODE, &opmode, sizeof(opmode)); 1368253789Srpaulo if (error != 0) 1369253789Srpaulo return (error); 1370253789Srpaulo 1371253789Srpaulo memset(&auth, 0, sizeof(auth)); 1372253789Srpaulo if (vap->iv_flags & IEEE80211_F_WPA) { 1373253789Srpaulo auth.mode = R92S_AUTHMODE_WPA; 1374267066Shselasky auth.dot1x = (ni->ni_authmode == IEEE80211_AUTH_8021X); 1375253789Srpaulo } else 1376253789Srpaulo auth.mode = R92S_AUTHMODE_OPEN; 1377287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RESET, 1378287727Sadrian "%s: setting auth mode to %d\n", 1379287727Sadrian __func__, auth.mode); 1380253789Srpaulo error = rsu_fw_cmd(sc, R92S_CMD_SET_AUTH, &auth, sizeof(auth)); 1381253789Srpaulo if (error != 0) 1382253789Srpaulo return (error); 1383253789Srpaulo 1384253789Srpaulo memset(buf, 0, sizeof(buf)); 1385253789Srpaulo bss = (struct ndis_wlan_bssid_ex *)buf; 1386253789Srpaulo IEEE80211_ADDR_COPY(bss->macaddr, ni->ni_bssid); 1387253789Srpaulo bss->ssid.ssidlen = htole32(ni->ni_esslen); 1388253789Srpaulo memcpy(bss->ssid.ssid, ni->ni_essid, ni->ni_esslen); 1389253789Srpaulo if (vap->iv_flags & (IEEE80211_F_PRIVACY | IEEE80211_F_WPA)) 1390253789Srpaulo bss->privacy = htole32(1); 1391253789Srpaulo bss->rssi = htole32(ni->ni_avgrssi); 1392253789Srpaulo if (ic->ic_curmode == IEEE80211_MODE_11B) 1393253789Srpaulo bss->networktype = htole32(NDIS802_11DS); 1394253789Srpaulo else 1395253789Srpaulo bss->networktype = htole32(NDIS802_11OFDM24); 1396253789Srpaulo bss->config.len = htole32(sizeof(bss->config)); 1397253789Srpaulo bss->config.bintval = htole32(ni->ni_intval); 1398253789Srpaulo bss->config.dsconfig = htole32(ieee80211_chan2ieee(ic, ni->ni_chan)); 1399253789Srpaulo bss->inframode = htole32(NDIS802_11INFRASTRUCTURE); 1400287727Sadrian /* XXX verify how this is supposed to look! */ 1401253789Srpaulo memcpy(bss->supprates, ni->ni_rates.rs_rates, 1402253789Srpaulo ni->ni_rates.rs_nrates); 1403253789Srpaulo /* Write the fixed fields of the beacon frame. */ 1404253789Srpaulo fixed = (struct ndis_802_11_fixed_ies *)&bss[1]; 1405253789Srpaulo memcpy(&fixed->tstamp, ni->ni_tstamp.data, 8); 1406253789Srpaulo fixed->bintval = htole16(ni->ni_intval); 1407253789Srpaulo fixed->capabilities = htole16(ni->ni_capinfo); 1408253789Srpaulo /* Write IEs to be included in the association request. */ 1409253789Srpaulo frm = (uint8_t *)&fixed[1]; 1410253789Srpaulo frm = ieee80211_add_rsn(frm, vap); 1411253789Srpaulo frm = ieee80211_add_wpa(frm, vap); 1412253789Srpaulo frm = ieee80211_add_qos(frm, ni); 1413287947Sadrian if ((ic->ic_flags & IEEE80211_F_WME) && 1414287947Sadrian (ni->ni_ies.wme_ie != NULL)) 1415287947Sadrian frm = ieee80211_add_wme_info(frm, &ic->ic_wme); 1416288257Sadrian if (ni->ni_flags & IEEE80211_NODE_HT) { 1417253789Srpaulo frm = ieee80211_add_htcap(frm, ni); 1418288257Sadrian frm = ieee80211_add_htinfo(frm, ni); 1419288257Sadrian } 1420253789Srpaulo bss->ieslen = htole32(frm - (uint8_t *)fixed); 1421253789Srpaulo bss->len = htole32(((frm - buf) + 3) & ~3); 1422287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RESET | RSU_DEBUG_FWCMD, 1423287727Sadrian "%s: sending join bss command to %s chan %d\n", 1424287727Sadrian __func__, 1425253789Srpaulo ether_sprintf(bss->macaddr), le32toh(bss->config.dsconfig)); 1426253789Srpaulo return (rsu_fw_cmd(sc, R92S_CMD_JOIN_BSS, buf, sizeof(buf))); 1427253789Srpaulo} 1428253789Srpaulo 1429253789Srpaulostatic int 1430253789Srpaulorsu_disconnect(struct rsu_softc *sc) 1431253789Srpaulo{ 1432253789Srpaulo uint32_t zero = 0; /* :-) */ 1433253789Srpaulo 1434253789Srpaulo /* Disassociate from our current BSS. */ 1435287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_STATE | RSU_DEBUG_FWCMD, 1436287727Sadrian "%s: sending disconnect command\n", __func__); 1437253789Srpaulo return (rsu_fw_cmd(sc, R92S_CMD_DISCONNECT, &zero, sizeof(zero))); 1438253789Srpaulo} 1439253789Srpaulo 1440288414Sadrian/* 1441288414Sadrian * Map the hardware provided RSSI value to a signal level. 1442288414Sadrian * For the most part it's just something we divide by and cap 1443288414Sadrian * so it doesn't overflow the representation by net80211. 1444288414Sadrian */ 1445288414Sadrianstatic int 1446288414Sadrianrsu_hwrssi_to_rssi(struct rsu_softc *sc, int hw_rssi) 1447288414Sadrian{ 1448288414Sadrian int v; 1449288414Sadrian 1450288414Sadrian if (hw_rssi == 0) 1451288414Sadrian return (0); 1452288414Sadrian v = hw_rssi >> 4; 1453288414Sadrian if (v > 80) 1454288414Sadrian v = 80; 1455288414Sadrian return (v); 1456288414Sadrian} 1457288414Sadrian 1458253789Srpaulostatic void 1459253789Srpaulorsu_event_survey(struct rsu_softc *sc, uint8_t *buf, int len) 1460253789Srpaulo{ 1461287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1462253789Srpaulo struct ieee80211_frame *wh; 1463253789Srpaulo struct ndis_wlan_bssid_ex *bss; 1464287804Sadrian struct ieee80211_rx_stats rxs; 1465253789Srpaulo struct mbuf *m; 1466253789Srpaulo int pktlen; 1467253789Srpaulo 1468253789Srpaulo if (__predict_false(len < sizeof(*bss))) 1469253789Srpaulo return; 1470253789Srpaulo bss = (struct ndis_wlan_bssid_ex *)buf; 1471253789Srpaulo if (__predict_false(len < sizeof(*bss) + le32toh(bss->ieslen))) 1472253789Srpaulo return; 1473253789Srpaulo 1474287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_SCAN, 1475287727Sadrian "%s: found BSS %s: len=%d chan=%d inframode=%d " 1476287742Sadrian "networktype=%d privacy=%d, RSSI=%d\n", 1477287727Sadrian __func__, 1478253789Srpaulo ether_sprintf(bss->macaddr), le32toh(bss->len), 1479253789Srpaulo le32toh(bss->config.dsconfig), le32toh(bss->inframode), 1480287742Sadrian le32toh(bss->networktype), le32toh(bss->privacy), 1481287742Sadrian le32toh(bss->rssi)); 1482253789Srpaulo 1483253789Srpaulo /* Build a fake beacon frame to let net80211 do all the parsing. */ 1484287727Sadrian /* XXX TODO: just call the new scan API methods! */ 1485253789Srpaulo pktlen = sizeof(*wh) + le32toh(bss->ieslen); 1486253789Srpaulo if (__predict_false(pktlen > MCLBYTES)) 1487253789Srpaulo return; 1488260513Skevlo m = m_get2(pktlen, M_NOWAIT, MT_DATA, M_PKTHDR); 1489253789Srpaulo if (__predict_false(m == NULL)) 1490253789Srpaulo return; 1491253789Srpaulo wh = mtod(m, struct ieee80211_frame *); 1492253789Srpaulo wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 1493253789Srpaulo IEEE80211_FC0_SUBTYPE_BEACON; 1494253789Srpaulo wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 1495258919Shselasky USETW(wh->i_dur, 0); 1496287197Sglebius IEEE80211_ADDR_COPY(wh->i_addr1, ieee80211broadcastaddr); 1497253789Srpaulo IEEE80211_ADDR_COPY(wh->i_addr2, bss->macaddr); 1498253789Srpaulo IEEE80211_ADDR_COPY(wh->i_addr3, bss->macaddr); 1499253789Srpaulo *(uint16_t *)wh->i_seq = 0; 1500253789Srpaulo memcpy(&wh[1], (uint8_t *)&bss[1], le32toh(bss->ieslen)); 1501253789Srpaulo 1502253789Srpaulo /* Finalize mbuf. */ 1503253789Srpaulo m->m_pkthdr.len = m->m_len = pktlen; 1504287804Sadrian 1505287804Sadrian /* Set channel flags for input path */ 1506287804Sadrian bzero(&rxs, sizeof(rxs)); 1507287804Sadrian rxs.r_flags |= IEEE80211_R_IEEE | IEEE80211_R_FREQ; 1508287804Sadrian rxs.r_flags |= IEEE80211_R_NF | IEEE80211_R_RSSI; 1509287804Sadrian rxs.c_ieee = le32toh(bss->config.dsconfig); 1510287804Sadrian rxs.c_freq = ieee80211_ieee2mhz(rxs.c_ieee, IEEE80211_CHAN_2GHZ); 1511288414Sadrian /* This is a number from 0..100; so let's just divide it down a bit */ 1512288414Sadrian rxs.rssi = le32toh(bss->rssi) / 2; 1513288414Sadrian rxs.nf = -96; 1514287804Sadrian 1515253789Srpaulo /* XXX avoid a LOR */ 1516253789Srpaulo RSU_UNLOCK(sc); 1517287804Sadrian ieee80211_input_mimo_all(ic, m, &rxs); 1518253789Srpaulo RSU_LOCK(sc); 1519253789Srpaulo} 1520253789Srpaulo 1521253789Srpaulostatic void 1522253789Srpaulorsu_event_join_bss(struct rsu_softc *sc, uint8_t *buf, int len) 1523253789Srpaulo{ 1524287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1525253789Srpaulo struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1526253789Srpaulo struct ieee80211_node *ni = vap->iv_bss; 1527253789Srpaulo struct r92s_event_join_bss *rsp; 1528267066Shselasky uint32_t tmp; 1529253789Srpaulo int res; 1530253789Srpaulo 1531253789Srpaulo if (__predict_false(len < sizeof(*rsp))) 1532253789Srpaulo return; 1533253789Srpaulo rsp = (struct r92s_event_join_bss *)buf; 1534253789Srpaulo res = (int)le32toh(rsp->join_res); 1535253789Srpaulo 1536287740Sadrian RSU_DPRINTF(sc, RSU_DEBUG_STATE | RSU_DEBUG_FWCMD, 1537287740Sadrian "%s: Rx join BSS event len=%d res=%d\n", 1538287740Sadrian __func__, len, res); 1539287954Sadrian 1540287954Sadrian /* 1541287954Sadrian * XXX Don't do this; there's likely a better way to tell 1542287954Sadrian * the caller we failed. 1543287954Sadrian */ 1544253789Srpaulo if (res <= 0) { 1545253789Srpaulo RSU_UNLOCK(sc); 1546253789Srpaulo ieee80211_new_state(vap, IEEE80211_S_SCAN, -1); 1547253789Srpaulo RSU_LOCK(sc); 1548253789Srpaulo return; 1549253789Srpaulo } 1550287954Sadrian 1551267066Shselasky tmp = le32toh(rsp->associd); 1552267066Shselasky if (tmp >= vap->iv_max_aid) { 1553267066Shselasky DPRINTF("Assoc ID overflow\n"); 1554267066Shselasky tmp = 1; 1555267066Shselasky } 1556287740Sadrian RSU_DPRINTF(sc, RSU_DEBUG_STATE | RSU_DEBUG_FWCMD, 1557287740Sadrian "%s: associated with %s associd=%d\n", 1558287740Sadrian __func__, ether_sprintf(rsp->bss.macaddr), tmp); 1559287740Sadrian /* XXX is this required? What's the top two bits for again? */ 1560267066Shselasky ni->ni_associd = tmp | 0xc000; 1561253789Srpaulo RSU_UNLOCK(sc); 1562253789Srpaulo ieee80211_new_state(vap, IEEE80211_S_RUN, 1563253789Srpaulo IEEE80211_FC0_SUBTYPE_ASSOC_RESP); 1564253789Srpaulo RSU_LOCK(sc); 1565253789Srpaulo} 1566253789Srpaulo 1567253789Srpaulostatic void 1568287949Sadrianrsu_event_addba_req_report(struct rsu_softc *sc, uint8_t *buf, int len) 1569287949Sadrian{ 1570287949Sadrian struct ieee80211com *ic = &sc->sc_ic; 1571287949Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1572287949Sadrian struct r92s_add_ba_event *ba = (void *) buf; 1573287949Sadrian struct ieee80211_node *ni; 1574287949Sadrian 1575287949Sadrian if (len < sizeof(*ba)) { 1576287949Sadrian device_printf(sc->sc_dev, "%s: short read (%d)\n", __func__, len); 1577287949Sadrian return; 1578287949Sadrian } 1579287949Sadrian 1580287949Sadrian if (vap == NULL) 1581287949Sadrian return; 1582287949Sadrian 1583288414Sadrian RSU_DPRINTF(sc, RSU_DEBUG_AMPDU, "%s: mac=%s, tid=%d, ssn=%d\n", 1584287949Sadrian __func__, 1585287949Sadrian ether_sprintf(ba->mac_addr), 1586287949Sadrian (int) ba->tid, 1587287949Sadrian (int) le16toh(ba->ssn)); 1588287949Sadrian 1589287949Sadrian /* XXX do node lookup; this is STA specific */ 1590287949Sadrian 1591287949Sadrian ni = ieee80211_ref_node(vap->iv_bss); 1592287949Sadrian ieee80211_ampdu_rx_start_ext(ni, ba->tid, le16toh(ba->ssn) >> 4, 32); 1593287949Sadrian ieee80211_free_node(ni); 1594287949Sadrian} 1595287949Sadrian 1596287949Sadrianstatic void 1597253789Srpaulorsu_rx_event(struct rsu_softc *sc, uint8_t code, uint8_t *buf, int len) 1598253789Srpaulo{ 1599287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1600253789Srpaulo struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1601253789Srpaulo 1602287740Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RX | RSU_DEBUG_FWCMD, 1603287727Sadrian "%s: Rx event code=%d len=%d\n", __func__, code, len); 1604253789Srpaulo switch (code) { 1605253789Srpaulo case R92S_EVT_SURVEY: 1606287947Sadrian rsu_event_survey(sc, buf, len); 1607253789Srpaulo break; 1608253789Srpaulo case R92S_EVT_SURVEY_DONE: 1609287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_SCAN, 1610287727Sadrian "%s: site survey pass %d done, found %d BSS\n", 1611287727Sadrian __func__, sc->sc_scan_pass, le32toh(*(uint32_t *)buf)); 1612287954Sadrian sc->sc_scanning = 0; 1613253789Srpaulo if (vap->iv_state != IEEE80211_S_SCAN) 1614253789Srpaulo break; /* Ignore if not scanning. */ 1615287954Sadrian 1616287954Sadrian /* 1617287954Sadrian * XXX TODO: This needs to be done without a transition to 1618287954Sadrian * the SCAN state again. Grr. 1619287954Sadrian */ 1620287197Sglebius if (sc->sc_scan_pass == 0 && vap->iv_des_nssid != 0) { 1621253789Srpaulo /* Schedule a directed scan for hidden APs. */ 1622287947Sadrian /* XXX bad! */ 1623287197Sglebius sc->sc_scan_pass = 1; 1624253789Srpaulo RSU_UNLOCK(sc); 1625253789Srpaulo ieee80211_new_state(vap, IEEE80211_S_SCAN, -1); 1626253789Srpaulo RSU_LOCK(sc); 1627253789Srpaulo break; 1628253789Srpaulo } 1629287197Sglebius sc->sc_scan_pass = 0; 1630253789Srpaulo break; 1631253789Srpaulo case R92S_EVT_JOIN_BSS: 1632253789Srpaulo if (vap->iv_state == IEEE80211_S_AUTH) 1633253789Srpaulo rsu_event_join_bss(sc, buf, len); 1634253789Srpaulo break; 1635253789Srpaulo case R92S_EVT_DEL_STA: 1636287740Sadrian RSU_DPRINTF(sc, RSU_DEBUG_FWCMD | RSU_DEBUG_STATE, 1637287740Sadrian "%s: disassociated from %s\n", __func__, 1638287740Sadrian ether_sprintf(buf)); 1639253789Srpaulo if (vap->iv_state == IEEE80211_S_RUN && 1640253789Srpaulo IEEE80211_ADDR_EQ(vap->iv_bss->ni_bssid, buf)) { 1641253789Srpaulo RSU_UNLOCK(sc); 1642253789Srpaulo ieee80211_new_state(vap, IEEE80211_S_SCAN, -1); 1643253789Srpaulo RSU_LOCK(sc); 1644253789Srpaulo } 1645253789Srpaulo break; 1646253789Srpaulo case R92S_EVT_WPS_PBC: 1647287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RX | RSU_DEBUG_FWCMD, 1648287727Sadrian "%s: WPS PBC pushed.\n", __func__); 1649253789Srpaulo break; 1650253789Srpaulo case R92S_EVT_FWDBG: 1651287727Sadrian buf[60] = '\0'; 1652287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_FWDBG, "FWDBG: %s\n", (char *)buf); 1653253789Srpaulo break; 1654287949Sadrian case R92S_EVT_ADDBA_REQ_REPORT: 1655287949Sadrian rsu_event_addba_req_report(sc, buf, len); 1656287949Sadrian break; 1657267041Shselasky default: 1658288089Sadrian device_printf(sc->sc_dev, "%s: unhandled code (%d)\n", __func__, code); 1659267041Shselasky break; 1660253789Srpaulo } 1661253789Srpaulo} 1662253789Srpaulo 1663253789Srpaulostatic void 1664253789Srpaulorsu_rx_multi_event(struct rsu_softc *sc, uint8_t *buf, int len) 1665253789Srpaulo{ 1666253789Srpaulo struct r92s_fw_cmd_hdr *cmd; 1667253789Srpaulo int cmdsz; 1668253789Srpaulo 1669287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RX, "%s: Rx events len=%d\n", __func__, len); 1670253789Srpaulo 1671253789Srpaulo /* Skip Rx status. */ 1672253789Srpaulo buf += sizeof(struct r92s_rx_stat); 1673253789Srpaulo len -= sizeof(struct r92s_rx_stat); 1674253789Srpaulo 1675253789Srpaulo /* Process all events. */ 1676253789Srpaulo for (;;) { 1677253789Srpaulo /* Check that command header fits. */ 1678253789Srpaulo if (__predict_false(len < sizeof(*cmd))) 1679253789Srpaulo break; 1680253789Srpaulo cmd = (struct r92s_fw_cmd_hdr *)buf; 1681253789Srpaulo /* Check that command payload fits. */ 1682253789Srpaulo cmdsz = le16toh(cmd->len); 1683253789Srpaulo if (__predict_false(len < sizeof(*cmd) + cmdsz)) 1684253789Srpaulo break; 1685253789Srpaulo 1686253789Srpaulo /* Process firmware event. */ 1687253789Srpaulo rsu_rx_event(sc, cmd->code, (uint8_t *)&cmd[1], cmdsz); 1688253789Srpaulo 1689253789Srpaulo if (!(cmd->seq & R92S_FW_CMD_MORE)) 1690253789Srpaulo break; 1691253789Srpaulo buf += sizeof(*cmd) + cmdsz; 1692253789Srpaulo len -= sizeof(*cmd) + cmdsz; 1693253789Srpaulo } 1694253789Srpaulo} 1695253789Srpaulo 1696288414Sadrian#if 0 1697253789Srpaulostatic int8_t 1698253789Srpaulorsu_get_rssi(struct rsu_softc *sc, int rate, void *physt) 1699253789Srpaulo{ 1700253789Srpaulo static const int8_t cckoff[] = { 14, -2, -20, -40 }; 1701253789Srpaulo struct r92s_rx_phystat *phy; 1702253789Srpaulo struct r92s_rx_cck *cck; 1703253789Srpaulo uint8_t rpt; 1704253789Srpaulo int8_t rssi; 1705253789Srpaulo 1706253789Srpaulo if (rate <= 3) { 1707253789Srpaulo cck = (struct r92s_rx_cck *)physt; 1708253789Srpaulo rpt = (cck->agc_rpt >> 6) & 0x3; 1709253789Srpaulo rssi = cck->agc_rpt & 0x3e; 1710253789Srpaulo rssi = cckoff[rpt] - rssi; 1711253789Srpaulo } else { /* OFDM/HT. */ 1712253789Srpaulo phy = (struct r92s_rx_phystat *)physt; 1713253789Srpaulo rssi = ((le32toh(phy->phydw1) >> 1) & 0x7f) - 106; 1714253789Srpaulo } 1715253789Srpaulo return (rssi); 1716253789Srpaulo} 1717288414Sadrian#endif 1718253789Srpaulo 1719253789Srpaulostatic struct mbuf * 1720288414Sadrianrsu_rx_frame(struct rsu_softc *sc, uint8_t *buf, int pktlen) 1721253789Srpaulo{ 1722287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1723253789Srpaulo struct ieee80211_frame *wh; 1724253789Srpaulo struct r92s_rx_stat *stat; 1725253789Srpaulo uint32_t rxdw0, rxdw3; 1726253789Srpaulo struct mbuf *m; 1727253789Srpaulo uint8_t rate; 1728253789Srpaulo int infosz; 1729253789Srpaulo 1730253789Srpaulo stat = (struct r92s_rx_stat *)buf; 1731253789Srpaulo rxdw0 = le32toh(stat->rxdw0); 1732253789Srpaulo rxdw3 = le32toh(stat->rxdw3); 1733253789Srpaulo 1734253789Srpaulo if (__predict_false(rxdw0 & R92S_RXDW0_CRCERR)) { 1735287197Sglebius counter_u64_add(ic->ic_ierrors, 1); 1736253789Srpaulo return NULL; 1737253789Srpaulo } 1738253789Srpaulo if (__predict_false(pktlen < sizeof(*wh) || pktlen > MCLBYTES)) { 1739287197Sglebius counter_u64_add(ic->ic_ierrors, 1); 1740253789Srpaulo return NULL; 1741253789Srpaulo } 1742253789Srpaulo 1743253789Srpaulo rate = MS(rxdw3, R92S_RXDW3_RATE); 1744253789Srpaulo infosz = MS(rxdw0, R92S_RXDW0_INFOSZ) * 8; 1745253789Srpaulo 1746288414Sadrian#if 0 1747253789Srpaulo /* Get RSSI from PHY status descriptor if present. */ 1748253789Srpaulo if (infosz != 0) 1749253789Srpaulo *rssi = rsu_get_rssi(sc, rate, &stat[1]); 1750253789Srpaulo else 1751253789Srpaulo *rssi = 0; 1752288414Sadrian#endif 1753253789Srpaulo 1754287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RX, 1755288414Sadrian "%s: Rx frame len=%d rate=%d infosz=%d\n", 1756288414Sadrian __func__, pktlen, rate, infosz); 1757253789Srpaulo 1758260513Skevlo m = m_get2(pktlen, M_NOWAIT, MT_DATA, M_PKTHDR); 1759253789Srpaulo if (__predict_false(m == NULL)) { 1760287197Sglebius counter_u64_add(ic->ic_ierrors, 1); 1761253789Srpaulo return NULL; 1762253789Srpaulo } 1763253789Srpaulo /* Hardware does Rx TCP checksum offload. */ 1764253789Srpaulo if (rxdw3 & R92S_RXDW3_TCPCHKVALID) { 1765253789Srpaulo if (__predict_true(rxdw3 & R92S_RXDW3_TCPCHKRPT)) 1766253789Srpaulo m->m_pkthdr.csum_flags |= CSUM_DATA_VALID; 1767253789Srpaulo } 1768253789Srpaulo wh = (struct ieee80211_frame *)((uint8_t *)&stat[1] + infosz); 1769253789Srpaulo memcpy(mtod(m, uint8_t *), wh, pktlen); 1770253789Srpaulo m->m_pkthdr.len = m->m_len = pktlen; 1771253789Srpaulo 1772253789Srpaulo if (ieee80211_radiotap_active(ic)) { 1773253789Srpaulo struct rsu_rx_radiotap_header *tap = &sc->sc_rxtap; 1774253789Srpaulo 1775253789Srpaulo /* Map HW rate index to 802.11 rate. */ 1776253789Srpaulo tap->wr_flags = 2; 1777253789Srpaulo if (!(rxdw3 & R92S_RXDW3_HTC)) { 1778253789Srpaulo switch (rate) { 1779253789Srpaulo /* CCK. */ 1780253789Srpaulo case 0: tap->wr_rate = 2; break; 1781253789Srpaulo case 1: tap->wr_rate = 4; break; 1782253789Srpaulo case 2: tap->wr_rate = 11; break; 1783253789Srpaulo case 3: tap->wr_rate = 22; break; 1784253789Srpaulo /* OFDM. */ 1785253789Srpaulo case 4: tap->wr_rate = 12; break; 1786253789Srpaulo case 5: tap->wr_rate = 18; break; 1787253789Srpaulo case 6: tap->wr_rate = 24; break; 1788253789Srpaulo case 7: tap->wr_rate = 36; break; 1789253789Srpaulo case 8: tap->wr_rate = 48; break; 1790253789Srpaulo case 9: tap->wr_rate = 72; break; 1791253789Srpaulo case 10: tap->wr_rate = 96; break; 1792253789Srpaulo case 11: tap->wr_rate = 108; break; 1793253789Srpaulo } 1794253789Srpaulo } else if (rate >= 12) { /* MCS0~15. */ 1795253789Srpaulo /* Bit 7 set means HT MCS instead of rate. */ 1796253789Srpaulo tap->wr_rate = 0x80 | (rate - 12); 1797253789Srpaulo } 1798288414Sadrian#if 0 1799253789Srpaulo tap->wr_dbm_antsignal = *rssi; 1800288414Sadrian#endif 1801288414Sadrian /* XXX not nice */ 1802288414Sadrian tap->wr_dbm_antsignal = rsu_hwrssi_to_rssi(sc, sc->sc_currssi); 1803253789Srpaulo tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1804253789Srpaulo tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1805253789Srpaulo } 1806253789Srpaulo 1807253789Srpaulo return (m); 1808253789Srpaulo} 1809253789Srpaulo 1810253789Srpaulostatic struct mbuf * 1811288414Sadrianrsu_rx_multi_frame(struct rsu_softc *sc, uint8_t *buf, int len) 1812253789Srpaulo{ 1813253789Srpaulo struct r92s_rx_stat *stat; 1814253789Srpaulo uint32_t rxdw0; 1815253789Srpaulo int totlen, pktlen, infosz, npkts; 1816253789Srpaulo struct mbuf *m, *m0 = NULL, *prevm = NULL; 1817253789Srpaulo 1818253789Srpaulo /* Get the number of encapsulated frames. */ 1819253789Srpaulo stat = (struct r92s_rx_stat *)buf; 1820253789Srpaulo npkts = MS(le32toh(stat->rxdw2), R92S_RXDW2_PKTCNT); 1821287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RX, 1822287727Sadrian "%s: Rx %d frames in one chunk\n", __func__, npkts); 1823253789Srpaulo 1824253789Srpaulo /* Process all of them. */ 1825253789Srpaulo while (npkts-- > 0) { 1826253789Srpaulo if (__predict_false(len < sizeof(*stat))) 1827253789Srpaulo break; 1828253789Srpaulo stat = (struct r92s_rx_stat *)buf; 1829253789Srpaulo rxdw0 = le32toh(stat->rxdw0); 1830253789Srpaulo 1831253789Srpaulo pktlen = MS(rxdw0, R92S_RXDW0_PKTLEN); 1832253789Srpaulo if (__predict_false(pktlen == 0)) 1833253789Srpaulo break; 1834253789Srpaulo 1835253789Srpaulo infosz = MS(rxdw0, R92S_RXDW0_INFOSZ) * 8; 1836253789Srpaulo 1837253789Srpaulo /* Make sure everything fits in xfer. */ 1838253789Srpaulo totlen = sizeof(*stat) + infosz + pktlen; 1839253789Srpaulo if (__predict_false(totlen > len)) 1840253789Srpaulo break; 1841253789Srpaulo 1842253789Srpaulo /* Process 802.11 frame. */ 1843288414Sadrian m = rsu_rx_frame(sc, buf, pktlen); 1844253789Srpaulo if (m0 == NULL) 1845253789Srpaulo m0 = m; 1846253789Srpaulo if (prevm == NULL) 1847253789Srpaulo prevm = m; 1848253789Srpaulo else { 1849253789Srpaulo prevm->m_next = m; 1850253789Srpaulo prevm = m; 1851253789Srpaulo } 1852253789Srpaulo /* Next chunk is 128-byte aligned. */ 1853253789Srpaulo totlen = (totlen + 127) & ~127; 1854253789Srpaulo buf += totlen; 1855253789Srpaulo len -= totlen; 1856253789Srpaulo } 1857253789Srpaulo 1858253789Srpaulo return (m0); 1859253789Srpaulo} 1860253789Srpaulo 1861253789Srpaulostatic struct mbuf * 1862288414Sadrianrsu_rxeof(struct usb_xfer *xfer, struct rsu_data *data) 1863253789Srpaulo{ 1864253789Srpaulo struct rsu_softc *sc = data->sc; 1865287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1866253789Srpaulo struct r92s_rx_stat *stat; 1867253789Srpaulo int len; 1868253789Srpaulo 1869253789Srpaulo usbd_xfer_status(xfer, &len, NULL, NULL, NULL); 1870253789Srpaulo 1871253789Srpaulo if (__predict_false(len < sizeof(*stat))) { 1872253789Srpaulo DPRINTF("xfer too short %d\n", len); 1873287197Sglebius counter_u64_add(ic->ic_ierrors, 1); 1874253789Srpaulo return (NULL); 1875253789Srpaulo } 1876253789Srpaulo /* Determine if it is a firmware C2H event or an 802.11 frame. */ 1877253789Srpaulo stat = (struct r92s_rx_stat *)data->buf; 1878253789Srpaulo if ((le32toh(stat->rxdw1) & 0x1ff) == 0x1ff) { 1879253789Srpaulo rsu_rx_multi_event(sc, data->buf, len); 1880253789Srpaulo /* No packets to process. */ 1881253789Srpaulo return (NULL); 1882253789Srpaulo } else 1883288414Sadrian return (rsu_rx_multi_frame(sc, data->buf, len)); 1884253789Srpaulo} 1885253789Srpaulo 1886253789Srpaulostatic void 1887253789Srpaulorsu_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error) 1888253789Srpaulo{ 1889253789Srpaulo struct rsu_softc *sc = usbd_xfer_softc(xfer); 1890287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1891253789Srpaulo struct ieee80211_frame *wh; 1892253789Srpaulo struct ieee80211_node *ni; 1893253789Srpaulo struct mbuf *m = NULL, *next; 1894253789Srpaulo struct rsu_data *data; 1895253789Srpaulo 1896253789Srpaulo RSU_ASSERT_LOCKED(sc); 1897253789Srpaulo 1898253789Srpaulo switch (USB_GET_STATE(xfer)) { 1899253789Srpaulo case USB_ST_TRANSFERRED: 1900253789Srpaulo data = STAILQ_FIRST(&sc->sc_rx_active); 1901253789Srpaulo if (data == NULL) 1902253789Srpaulo goto tr_setup; 1903253789Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 1904288414Sadrian m = rsu_rxeof(xfer, data); 1905253789Srpaulo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 1906253789Srpaulo /* FALLTHROUGH */ 1907253789Srpaulo case USB_ST_SETUP: 1908253789Srpaulotr_setup: 1909288257Sadrian /* 1910288257Sadrian * XXX TODO: if we have an mbuf list, but then 1911288257Sadrian * we hit data == NULL, what now? 1912288257Sadrian */ 1913253789Srpaulo data = STAILQ_FIRST(&sc->sc_rx_inactive); 1914253789Srpaulo if (data == NULL) { 1915253789Srpaulo KASSERT(m == NULL, ("mbuf isn't NULL")); 1916253789Srpaulo return; 1917253789Srpaulo } 1918253789Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_rx_inactive, next); 1919253789Srpaulo STAILQ_INSERT_TAIL(&sc->sc_rx_active, data, next); 1920253789Srpaulo usbd_xfer_set_frame_data(xfer, 0, data->buf, 1921253789Srpaulo usbd_xfer_max_len(xfer)); 1922253789Srpaulo usbd_transfer_submit(xfer); 1923253789Srpaulo /* 1924253789Srpaulo * To avoid LOR we should unlock our private mutex here to call 1925253789Srpaulo * ieee80211_input() because here is at the end of a USB 1926253789Srpaulo * callback and safe to unlock. 1927253789Srpaulo */ 1928253789Srpaulo RSU_UNLOCK(sc); 1929253789Srpaulo while (m != NULL) { 1930288414Sadrian int rssi; 1931288414Sadrian 1932288414Sadrian /* Cheat and get the last calibrated RSSI */ 1933288414Sadrian rssi = rsu_hwrssi_to_rssi(sc, sc->sc_currssi); 1934288414Sadrian 1935253789Srpaulo next = m->m_next; 1936253789Srpaulo m->m_next = NULL; 1937253789Srpaulo wh = mtod(m, struct ieee80211_frame *); 1938253789Srpaulo ni = ieee80211_find_rxnode(ic, 1939253789Srpaulo (struct ieee80211_frame_min *)wh); 1940253789Srpaulo if (ni != NULL) { 1941287949Sadrian if (ni->ni_flags & IEEE80211_NODE_HT) 1942287949Sadrian m->m_flags |= M_AMPDU; 1943288414Sadrian (void)ieee80211_input(ni, m, rssi, -96); 1944253789Srpaulo ieee80211_free_node(ni); 1945253789Srpaulo } else 1946288414Sadrian (void)ieee80211_input_all(ic, m, rssi, -96); 1947253789Srpaulo m = next; 1948253789Srpaulo } 1949253789Srpaulo RSU_LOCK(sc); 1950253789Srpaulo break; 1951253789Srpaulo default: 1952253789Srpaulo /* needs it to the inactive queue due to a error. */ 1953253789Srpaulo data = STAILQ_FIRST(&sc->sc_rx_active); 1954253789Srpaulo if (data != NULL) { 1955253789Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 1956253789Srpaulo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 1957253789Srpaulo } 1958253789Srpaulo if (error != USB_ERR_CANCELLED) { 1959253789Srpaulo usbd_xfer_set_stall(xfer); 1960287197Sglebius counter_u64_add(ic->ic_ierrors, 1); 1961253789Srpaulo goto tr_setup; 1962253789Srpaulo } 1963253789Srpaulo break; 1964253789Srpaulo } 1965253789Srpaulo 1966253789Srpaulo} 1967253789Srpaulo 1968253789Srpaulostatic void 1969253789Srpaulorsu_txeof(struct usb_xfer *xfer, struct rsu_data *data) 1970253789Srpaulo{ 1971287727Sadrian#ifdef USB_DEBUG 1972287727Sadrian struct rsu_softc *sc = usbd_xfer_softc(xfer); 1973287727Sadrian#endif 1974253789Srpaulo 1975287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TXDONE, "%s: called; data=%p\n", 1976287727Sadrian __func__, 1977287727Sadrian data); 1978287727Sadrian 1979253789Srpaulo if (data->m) { 1980287197Sglebius /* XXX status? */ 1981287197Sglebius ieee80211_tx_complete(data->ni, data->m, 0); 1982253789Srpaulo data->m = NULL; 1983253789Srpaulo data->ni = NULL; 1984253789Srpaulo } 1985253789Srpaulo} 1986253789Srpaulo 1987253789Srpaulostatic void 1988266505Shselaskyrsu_bulk_tx_callback_sub(struct usb_xfer *xfer, usb_error_t error, 1989266505Shselasky uint8_t which) 1990253789Srpaulo{ 1991253789Srpaulo struct rsu_softc *sc = usbd_xfer_softc(xfer); 1992287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1993253789Srpaulo struct rsu_data *data; 1994253789Srpaulo 1995253789Srpaulo RSU_ASSERT_LOCKED(sc); 1996253789Srpaulo 1997253789Srpaulo switch (USB_GET_STATE(xfer)) { 1998253789Srpaulo case USB_ST_TRANSFERRED: 1999266505Shselasky data = STAILQ_FIRST(&sc->sc_tx_active[which]); 2000253789Srpaulo if (data == NULL) 2001253789Srpaulo goto tr_setup; 2002287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TXDONE, "%s: transfer done %p\n", 2003287727Sadrian __func__, data); 2004266505Shselasky STAILQ_REMOVE_HEAD(&sc->sc_tx_active[which], next); 2005253789Srpaulo rsu_txeof(xfer, data); 2006287953Sadrian rsu_freebuf(sc, data); 2007253789Srpaulo /* FALLTHROUGH */ 2008253789Srpaulo case USB_ST_SETUP: 2009253789Srpaulotr_setup: 2010266505Shselasky data = STAILQ_FIRST(&sc->sc_tx_pending[which]); 2011253789Srpaulo if (data == NULL) { 2012287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TXDONE, 2013287727Sadrian "%s: empty pending queue sc %p\n", __func__, sc); 2014253789Srpaulo return; 2015253789Srpaulo } 2016266505Shselasky STAILQ_REMOVE_HEAD(&sc->sc_tx_pending[which], next); 2017266505Shselasky STAILQ_INSERT_TAIL(&sc->sc_tx_active[which], data, next); 2018253789Srpaulo usbd_xfer_set_frame_data(xfer, 0, data->buf, data->buflen); 2019287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TXDONE, 2020287727Sadrian "%s: submitting transfer %p\n", 2021287727Sadrian __func__, 2022287727Sadrian data); 2023253789Srpaulo usbd_transfer_submit(xfer); 2024253789Srpaulo break; 2025253789Srpaulo default: 2026266505Shselasky data = STAILQ_FIRST(&sc->sc_tx_active[which]); 2027266505Shselasky if (data != NULL) { 2028266505Shselasky STAILQ_REMOVE_HEAD(&sc->sc_tx_active[which], next); 2029266505Shselasky rsu_txeof(xfer, data); 2030287953Sadrian rsu_freebuf(sc, data); 2031253789Srpaulo } 2032287197Sglebius counter_u64_add(ic->ic_oerrors, 1); 2033266505Shselasky 2034253789Srpaulo if (error != USB_ERR_CANCELLED) { 2035253789Srpaulo usbd_xfer_set_stall(xfer); 2036253789Srpaulo goto tr_setup; 2037253789Srpaulo } 2038253789Srpaulo break; 2039253789Srpaulo } 2040288414Sadrian 2041288414Sadrian /* 2042288414Sadrian * XXX TODO: if the queue is low, flush out FF TX frames. 2043288414Sadrian * Remember to unlock the driver for now; net80211 doesn't 2044288414Sadrian * defer it for us. 2045288414Sadrian */ 2046253789Srpaulo} 2047253789Srpaulo 2048266505Shselaskystatic void 2049267041Shselaskyrsu_bulk_tx_callback_be_bk(struct usb_xfer *xfer, usb_error_t error) 2050266505Shselasky{ 2051288052Sadrian struct rsu_softc *sc = usbd_xfer_softc(xfer); 2052288052Sadrian 2053267041Shselasky rsu_bulk_tx_callback_sub(xfer, error, RSU_BULK_TX_BE_BK); 2054288052Sadrian 2055288052Sadrian /* This kicks the TX taskqueue */ 2056288052Sadrian rsu_start(sc); 2057266505Shselasky} 2058266505Shselasky 2059266505Shselaskystatic void 2060267041Shselaskyrsu_bulk_tx_callback_vi_vo(struct usb_xfer *xfer, usb_error_t error) 2061266505Shselasky{ 2062288052Sadrian struct rsu_softc *sc = usbd_xfer_softc(xfer); 2063288052Sadrian 2064267041Shselasky rsu_bulk_tx_callback_sub(xfer, error, RSU_BULK_TX_VI_VO); 2065288052Sadrian 2066288052Sadrian /* This kicks the TX taskqueue */ 2067288052Sadrian rsu_start(sc); 2068266505Shselasky} 2069266505Shselasky 2070287896Sadrianstatic void 2071287896Sadrianrsu_bulk_tx_callback_h2c(struct usb_xfer *xfer, usb_error_t error) 2072287896Sadrian{ 2073288052Sadrian struct rsu_softc *sc = usbd_xfer_softc(xfer); 2074288052Sadrian 2075287896Sadrian rsu_bulk_tx_callback_sub(xfer, error, RSU_BULK_TX_H2C); 2076288052Sadrian 2077288052Sadrian /* This kicks the TX taskqueue */ 2078288052Sadrian rsu_start(sc); 2079287896Sadrian} 2080287896Sadrian 2081288257Sadrian/* 2082288257Sadrian * Transmit the given frame. 2083288257Sadrian * 2084288257Sadrian * This doesn't free the node or mbuf upon failure. 2085288257Sadrian */ 2086253789Srpaulostatic int 2087253789Srpaulorsu_tx_start(struct rsu_softc *sc, struct ieee80211_node *ni, 2088266505Shselasky struct mbuf *m0, struct rsu_data *data) 2089253789Srpaulo{ 2090287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 2091253789Srpaulo struct ieee80211vap *vap = ni->ni_vap; 2092253789Srpaulo struct ieee80211_frame *wh; 2093253789Srpaulo struct ieee80211_key *k = NULL; 2094253789Srpaulo struct r92s_tx_desc *txd; 2095266505Shselasky uint8_t type; 2096287901Sadrian int prio = 0; 2097266505Shselasky uint8_t which; 2098266505Shselasky int hasqos; 2099266505Shselasky int xferlen; 2100287901Sadrian int qid; 2101253789Srpaulo 2102253789Srpaulo RSU_ASSERT_LOCKED(sc); 2103253789Srpaulo 2104253789Srpaulo wh = mtod(m0, struct ieee80211_frame *); 2105253789Srpaulo type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2106253789Srpaulo 2107287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TX, "%s: data=%p, m=%p\n", 2108287727Sadrian __func__, data, m0); 2109287727Sadrian 2110260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2111253789Srpaulo k = ieee80211_crypto_encap(ni, m0); 2112253789Srpaulo if (k == NULL) { 2113253789Srpaulo device_printf(sc->sc_dev, 2114253789Srpaulo "ieee80211_crypto_encap returns NULL.\n"); 2115253789Srpaulo /* XXX we don't expect the fragmented frames */ 2116253789Srpaulo return (ENOBUFS); 2117253789Srpaulo } 2118253789Srpaulo wh = mtod(m0, struct ieee80211_frame *); 2119253789Srpaulo } 2120287901Sadrian /* If we have QoS then use it */ 2121287901Sadrian /* XXX TODO: mbuf WME/PRI versus TID? */ 2122287901Sadrian if (IEEE80211_QOS_HAS_SEQ(wh)) { 2123287901Sadrian /* Has QoS */ 2124287901Sadrian prio = M_WME_GETAC(m0); 2125287901Sadrian which = rsu_wme_ac_xfer_map[prio]; 2126287901Sadrian hasqos = 1; 2127287901Sadrian } else { 2128287901Sadrian /* Non-QoS TID */ 2129287901Sadrian /* XXX TODO: tid=0 for non-qos TID? */ 2130287901Sadrian which = rsu_wme_ac_xfer_map[WME_AC_BE]; 2131287901Sadrian hasqos = 0; 2132287901Sadrian prio = 0; 2133287901Sadrian } 2134287901Sadrian 2135287901Sadrian qid = rsu_ac2qid[prio]; 2136287901Sadrian#if 0 2137253789Srpaulo switch (type) { 2138253789Srpaulo case IEEE80211_FC0_TYPE_CTL: 2139253789Srpaulo case IEEE80211_FC0_TYPE_MGT: 2140267041Shselasky which = rsu_wme_ac_xfer_map[WME_AC_VO]; 2141253789Srpaulo break; 2142253789Srpaulo default: 2143267041Shselasky which = rsu_wme_ac_xfer_map[M_WME_GETAC(m0)]; 2144253789Srpaulo break; 2145253789Srpaulo } 2146253789Srpaulo hasqos = 0; 2147287901Sadrian#endif 2148287947Sadrian 2149287947Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TX, "%s: pri=%d, which=%d, hasqos=%d\n", 2150287947Sadrian __func__, 2151287947Sadrian prio, 2152287947Sadrian which, 2153287947Sadrian hasqos); 2154287947Sadrian 2155253789Srpaulo /* Fill Tx descriptor. */ 2156253789Srpaulo txd = (struct r92s_tx_desc *)data->buf; 2157253789Srpaulo memset(txd, 0, sizeof(*txd)); 2158253789Srpaulo 2159253789Srpaulo txd->txdw0 |= htole32( 2160253789Srpaulo SM(R92S_TXDW0_PKTLEN, m0->m_pkthdr.len) | 2161253789Srpaulo SM(R92S_TXDW0_OFFSET, sizeof(*txd)) | 2162253789Srpaulo R92S_TXDW0_OWN | R92S_TXDW0_FSG | R92S_TXDW0_LSG); 2163253789Srpaulo 2164253789Srpaulo txd->txdw1 |= htole32( 2165287901Sadrian SM(R92S_TXDW1_MACID, R92S_MACID_BSS) | SM(R92S_TXDW1_QSEL, qid)); 2166253789Srpaulo if (!hasqos) 2167253789Srpaulo txd->txdw1 |= htole32(R92S_TXDW1_NONQOS); 2168253789Srpaulo#ifdef notyet 2169253789Srpaulo if (k != NULL) { 2170253789Srpaulo switch (k->wk_cipher->ic_cipher) { 2171253789Srpaulo case IEEE80211_CIPHER_WEP: 2172253789Srpaulo cipher = R92S_TXDW1_CIPHER_WEP; 2173253789Srpaulo break; 2174253789Srpaulo case IEEE80211_CIPHER_TKIP: 2175253789Srpaulo cipher = R92S_TXDW1_CIPHER_TKIP; 2176253789Srpaulo break; 2177253789Srpaulo case IEEE80211_CIPHER_AES_CCM: 2178253789Srpaulo cipher = R92S_TXDW1_CIPHER_AES; 2179253789Srpaulo break; 2180253789Srpaulo default: 2181253789Srpaulo cipher = R92S_TXDW1_CIPHER_NONE; 2182253789Srpaulo } 2183253789Srpaulo txd->txdw1 |= htole32( 2184253789Srpaulo SM(R92S_TXDW1_CIPHER, cipher) | 2185253789Srpaulo SM(R92S_TXDW1_KEYIDX, k->k_id)); 2186253789Srpaulo } 2187253789Srpaulo#endif 2188287947Sadrian /* XXX todo: set AGGEN bit if appropriate? */ 2189253789Srpaulo txd->txdw2 |= htole32(R92S_TXDW2_BK); 2190253789Srpaulo if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 2191253789Srpaulo txd->txdw2 |= htole32(R92S_TXDW2_BMCAST); 2192253789Srpaulo /* 2193253789Srpaulo * Firmware will use and increment the sequence number for the 2194287901Sadrian * specified priority. 2195253789Srpaulo */ 2196287901Sadrian txd->txdw3 |= htole32(SM(R92S_TXDW3_SEQ, prio)); 2197253789Srpaulo 2198253789Srpaulo if (ieee80211_radiotap_active_vap(vap)) { 2199253789Srpaulo struct rsu_tx_radiotap_header *tap = &sc->sc_txtap; 2200253789Srpaulo 2201253789Srpaulo tap->wt_flags = 0; 2202253789Srpaulo tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2203253789Srpaulo tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2204253789Srpaulo ieee80211_radiotap_tx(vap, m0); 2205253789Srpaulo } 2206287727Sadrian 2207253789Srpaulo xferlen = sizeof(*txd) + m0->m_pkthdr.len; 2208253789Srpaulo m_copydata(m0, 0, m0->m_pkthdr.len, (caddr_t)&txd[1]); 2209253789Srpaulo 2210253789Srpaulo data->buflen = xferlen; 2211253789Srpaulo data->ni = ni; 2212253789Srpaulo data->m = m0; 2213266505Shselasky STAILQ_INSERT_TAIL(&sc->sc_tx_pending[which], data, next); 2214253789Srpaulo 2215266505Shselasky /* start transfer, if any */ 2216267041Shselasky usbd_transfer_start(sc->sc_xfer[which]); 2217253789Srpaulo return (0); 2218253789Srpaulo} 2219253789Srpaulo 2220287197Sglebiusstatic int 2221287197Sglebiusrsu_transmit(struct ieee80211com *ic, struct mbuf *m) 2222253789Srpaulo{ 2223287197Sglebius struct rsu_softc *sc = ic->ic_softc; 2224287197Sglebius int error; 2225253789Srpaulo 2226253789Srpaulo RSU_LOCK(sc); 2227287197Sglebius if (!sc->sc_running) { 2228287197Sglebius RSU_UNLOCK(sc); 2229287197Sglebius return (ENXIO); 2230287197Sglebius } 2231288257Sadrian 2232288257Sadrian /* 2233288257Sadrian * XXX TODO: ensure that we treat 'm' as a list of frames 2234288257Sadrian * to transmit! 2235288257Sadrian */ 2236287197Sglebius error = mbufq_enqueue(&sc->sc_snd, m); 2237287197Sglebius if (error) { 2238288051Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TX, 2239288051Sadrian "%s: mbufq_enable: failed (%d)\n", 2240288051Sadrian __func__, 2241288051Sadrian error); 2242287197Sglebius RSU_UNLOCK(sc); 2243287197Sglebius return (error); 2244287197Sglebius } 2245253789Srpaulo RSU_UNLOCK(sc); 2246287197Sglebius 2247288052Sadrian /* This kicks the TX taskqueue */ 2248288052Sadrian rsu_start(sc); 2249288052Sadrian 2250287197Sglebius return (0); 2251253789Srpaulo} 2252253789Srpaulo 2253253789Srpaulostatic void 2254288051Sadrianrsu_drain_mbufq(struct rsu_softc *sc) 2255288051Sadrian{ 2256288051Sadrian struct mbuf *m; 2257288051Sadrian struct ieee80211_node *ni; 2258288051Sadrian 2259288051Sadrian RSU_ASSERT_LOCKED(sc); 2260288051Sadrian while ((m = mbufq_dequeue(&sc->sc_snd)) != NULL) { 2261288051Sadrian ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2262288051Sadrian m->m_pkthdr.rcvif = NULL; 2263288051Sadrian ieee80211_free_node(ni); 2264288051Sadrian m_freem(m); 2265288051Sadrian } 2266288051Sadrian} 2267288051Sadrian 2268288051Sadrianstatic void 2269288052Sadrian_rsu_start(struct rsu_softc *sc) 2270253789Srpaulo{ 2271253789Srpaulo struct ieee80211_node *ni; 2272266505Shselasky struct rsu_data *bf; 2273253789Srpaulo struct mbuf *m; 2274253789Srpaulo 2275253789Srpaulo RSU_ASSERT_LOCKED(sc); 2276253789Srpaulo 2277287197Sglebius while ((m = mbufq_dequeue(&sc->sc_snd)) != NULL) { 2278287197Sglebius bf = rsu_getbuf(sc); 2279287197Sglebius if (bf == NULL) { 2280288051Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TX, 2281288051Sadrian "%s: failed to get buffer\n", __func__); 2282287197Sglebius mbufq_prepend(&sc->sc_snd, m); 2283253789Srpaulo break; 2284287197Sglebius } 2285287197Sglebius 2286253789Srpaulo ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2287253789Srpaulo m->m_pkthdr.rcvif = NULL; 2288253789Srpaulo 2289287197Sglebius if (rsu_tx_start(sc, ni, m, bf) != 0) { 2290288051Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TX, 2291288051Sadrian "%s: failed to transmit\n", __func__); 2292287197Sglebius if_inc_counter(ni->ni_vap->iv_ifp, 2293287197Sglebius IFCOUNTER_OERRORS, 1); 2294287953Sadrian rsu_freebuf(sc, bf); 2295253789Srpaulo ieee80211_free_node(ni); 2296288257Sadrian m_freem(m); 2297287197Sglebius break; 2298253789Srpaulo } 2299253789Srpaulo } 2300253789Srpaulo} 2301253789Srpaulo 2302287197Sglebiusstatic void 2303288052Sadrianrsu_start(struct rsu_softc *sc) 2304288052Sadrian{ 2305288052Sadrian 2306288052Sadrian taskqueue_enqueue(taskqueue_thread, &sc->tx_task); 2307288052Sadrian} 2308288052Sadrian 2309288052Sadrianstatic void 2310287197Sglebiusrsu_parent(struct ieee80211com *ic) 2311253789Srpaulo{ 2312286950Sadrian struct rsu_softc *sc = ic->ic_softc; 2313287197Sglebius int startall = 0; 2314253789Srpaulo 2315287197Sglebius RSU_LOCK(sc); 2316287197Sglebius if (ic->ic_nrunning > 0) { 2317287197Sglebius if (!sc->sc_running) { 2318287197Sglebius rsu_init(sc); 2319287197Sglebius startall = 1; 2320253789Srpaulo } 2321287197Sglebius } else if (sc->sc_running) 2322287197Sglebius rsu_stop(sc); 2323287197Sglebius RSU_UNLOCK(sc); 2324253789Srpaulo 2325287197Sglebius if (startall) 2326287197Sglebius ieee80211_start_all(ic); 2327253789Srpaulo} 2328253789Srpaulo 2329253789Srpaulo/* 2330253789Srpaulo * Power on sequence for A-cut adapters. 2331253789Srpaulo */ 2332253789Srpaulostatic void 2333253789Srpaulorsu_power_on_acut(struct rsu_softc *sc) 2334253789Srpaulo{ 2335253789Srpaulo uint32_t reg; 2336253789Srpaulo 2337253789Srpaulo rsu_write_1(sc, R92S_SPS0_CTRL + 1, 0x53); 2338253789Srpaulo rsu_write_1(sc, R92S_SPS0_CTRL + 0, 0x57); 2339253789Srpaulo 2340253789Srpaulo /* Enable AFE macro block's bandgap and Mbias. */ 2341253789Srpaulo rsu_write_1(sc, R92S_AFE_MISC, 2342253789Srpaulo rsu_read_1(sc, R92S_AFE_MISC) | 2343253789Srpaulo R92S_AFE_MISC_BGEN | R92S_AFE_MISC_MBEN); 2344253789Srpaulo /* Enable LDOA15 block. */ 2345253789Srpaulo rsu_write_1(sc, R92S_LDOA15_CTRL, 2346253789Srpaulo rsu_read_1(sc, R92S_LDOA15_CTRL) | R92S_LDA15_EN); 2347253789Srpaulo 2348253789Srpaulo rsu_write_1(sc, R92S_SPS1_CTRL, 2349253789Srpaulo rsu_read_1(sc, R92S_SPS1_CTRL) | R92S_SPS1_LDEN); 2350287892Sadrian rsu_ms_delay(sc, 2000); 2351253789Srpaulo /* Enable switch regulator block. */ 2352253789Srpaulo rsu_write_1(sc, R92S_SPS1_CTRL, 2353253789Srpaulo rsu_read_1(sc, R92S_SPS1_CTRL) | R92S_SPS1_SWEN); 2354253789Srpaulo 2355253789Srpaulo rsu_write_4(sc, R92S_SPS1_CTRL, 0x00a7b267); 2356253789Srpaulo 2357253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL + 1, 2358253789Srpaulo rsu_read_1(sc, R92S_SYS_ISO_CTRL + 1) | 0x08); 2359253789Srpaulo 2360253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 2361253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x20); 2362253789Srpaulo 2363253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL + 1, 2364253789Srpaulo rsu_read_1(sc, R92S_SYS_ISO_CTRL + 1) & ~0x90); 2365253789Srpaulo 2366253789Srpaulo /* Enable AFE clock. */ 2367253789Srpaulo rsu_write_1(sc, R92S_AFE_XTAL_CTRL + 1, 2368253789Srpaulo rsu_read_1(sc, R92S_AFE_XTAL_CTRL + 1) & ~0x04); 2369253789Srpaulo /* Enable AFE PLL macro block. */ 2370253789Srpaulo rsu_write_1(sc, R92S_AFE_PLL_CTRL, 2371253789Srpaulo rsu_read_1(sc, R92S_AFE_PLL_CTRL) | 0x11); 2372253789Srpaulo /* Attach AFE PLL to MACTOP/BB. */ 2373253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL, 2374253789Srpaulo rsu_read_1(sc, R92S_SYS_ISO_CTRL) & ~0x11); 2375253789Srpaulo 2376253789Srpaulo /* Switch to 40MHz clock instead of 80MHz. */ 2377253789Srpaulo rsu_write_2(sc, R92S_SYS_CLKR, 2378253789Srpaulo rsu_read_2(sc, R92S_SYS_CLKR) & ~R92S_SYS_CLKSEL); 2379253789Srpaulo 2380253789Srpaulo /* Enable MAC clock. */ 2381253789Srpaulo rsu_write_2(sc, R92S_SYS_CLKR, 2382253789Srpaulo rsu_read_2(sc, R92S_SYS_CLKR) | 2383253789Srpaulo R92S_MAC_CLK_EN | R92S_SYS_CLK_EN); 2384253789Srpaulo 2385253789Srpaulo rsu_write_1(sc, R92S_PMC_FSM, 0x02); 2386253789Srpaulo 2387253789Srpaulo /* Enable digital core and IOREG R/W. */ 2388253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 2389253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x08); 2390253789Srpaulo 2391253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 2392253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x80); 2393253789Srpaulo 2394253789Srpaulo /* Switch the control path to firmware. */ 2395253789Srpaulo reg = rsu_read_2(sc, R92S_SYS_CLKR); 2396253789Srpaulo reg = (reg & ~R92S_SWHW_SEL) | R92S_FWHW_SEL; 2397253789Srpaulo rsu_write_2(sc, R92S_SYS_CLKR, reg); 2398253789Srpaulo 2399253789Srpaulo rsu_write_2(sc, R92S_CR, 0x37fc); 2400253789Srpaulo 2401253789Srpaulo /* Fix USB RX FIFO issue. */ 2402253789Srpaulo rsu_write_1(sc, 0xfe5c, 2403253789Srpaulo rsu_read_1(sc, 0xfe5c) | 0x80); 2404253789Srpaulo rsu_write_1(sc, 0x00ab, 2405253789Srpaulo rsu_read_1(sc, 0x00ab) | 0xc0); 2406253789Srpaulo 2407253789Srpaulo rsu_write_1(sc, R92S_SYS_CLKR, 2408253789Srpaulo rsu_read_1(sc, R92S_SYS_CLKR) & ~R92S_SYS_CPU_CLKSEL); 2409253789Srpaulo} 2410253789Srpaulo 2411253789Srpaulo/* 2412253789Srpaulo * Power on sequence for B-cut and C-cut adapters. 2413253789Srpaulo */ 2414253789Srpaulostatic void 2415253789Srpaulorsu_power_on_bcut(struct rsu_softc *sc) 2416253789Srpaulo{ 2417253789Srpaulo uint32_t reg; 2418253789Srpaulo int ntries; 2419253789Srpaulo 2420253789Srpaulo /* Prevent eFuse leakage. */ 2421253789Srpaulo rsu_write_1(sc, 0x37, 0xb0); 2422287892Sadrian rsu_ms_delay(sc, 10); 2423253789Srpaulo rsu_write_1(sc, 0x37, 0x30); 2424253789Srpaulo 2425253789Srpaulo /* Switch the control path to hardware. */ 2426253789Srpaulo reg = rsu_read_2(sc, R92S_SYS_CLKR); 2427253789Srpaulo if (reg & R92S_FWHW_SEL) { 2428253789Srpaulo rsu_write_2(sc, R92S_SYS_CLKR, 2429253789Srpaulo reg & ~(R92S_SWHW_SEL | R92S_FWHW_SEL)); 2430253789Srpaulo } 2431253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 2432253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) & ~0x8c); 2433287892Sadrian rsu_ms_delay(sc, 1); 2434253789Srpaulo 2435253789Srpaulo rsu_write_1(sc, R92S_SPS0_CTRL + 1, 0x53); 2436253789Srpaulo rsu_write_1(sc, R92S_SPS0_CTRL + 0, 0x57); 2437253789Srpaulo 2438253789Srpaulo reg = rsu_read_1(sc, R92S_AFE_MISC); 2439253789Srpaulo rsu_write_1(sc, R92S_AFE_MISC, reg | R92S_AFE_MISC_BGEN); 2440253789Srpaulo rsu_write_1(sc, R92S_AFE_MISC, reg | R92S_AFE_MISC_BGEN | 2441253789Srpaulo R92S_AFE_MISC_MBEN | R92S_AFE_MISC_I32_EN); 2442253789Srpaulo 2443253789Srpaulo /* Enable PLL. */ 2444253789Srpaulo rsu_write_1(sc, R92S_LDOA15_CTRL, 2445253789Srpaulo rsu_read_1(sc, R92S_LDOA15_CTRL) | R92S_LDA15_EN); 2446253789Srpaulo 2447253789Srpaulo rsu_write_1(sc, R92S_LDOV12D_CTRL, 2448253789Srpaulo rsu_read_1(sc, R92S_LDOV12D_CTRL) | R92S_LDV12_EN); 2449253789Srpaulo 2450253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL + 1, 2451253789Srpaulo rsu_read_1(sc, R92S_SYS_ISO_CTRL + 1) | 0x08); 2452253789Srpaulo 2453253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 2454253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x20); 2455253789Srpaulo 2456253789Srpaulo /* Support 64KB IMEM. */ 2457253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL + 1, 2458253789Srpaulo rsu_read_1(sc, R92S_SYS_ISO_CTRL + 1) & ~0x97); 2459253789Srpaulo 2460253789Srpaulo /* Enable AFE clock. */ 2461253789Srpaulo rsu_write_1(sc, R92S_AFE_XTAL_CTRL + 1, 2462253789Srpaulo rsu_read_1(sc, R92S_AFE_XTAL_CTRL + 1) & ~0x04); 2463253789Srpaulo /* Enable AFE PLL macro block. */ 2464253789Srpaulo reg = rsu_read_1(sc, R92S_AFE_PLL_CTRL); 2465253789Srpaulo rsu_write_1(sc, R92S_AFE_PLL_CTRL, reg | 0x11); 2466287892Sadrian rsu_ms_delay(sc, 1); 2467253789Srpaulo rsu_write_1(sc, R92S_AFE_PLL_CTRL, reg | 0x51); 2468287892Sadrian rsu_ms_delay(sc, 1); 2469253789Srpaulo rsu_write_1(sc, R92S_AFE_PLL_CTRL, reg | 0x11); 2470287892Sadrian rsu_ms_delay(sc, 1); 2471253789Srpaulo 2472253789Srpaulo /* Attach AFE PLL to MACTOP/BB. */ 2473253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL, 2474253789Srpaulo rsu_read_1(sc, R92S_SYS_ISO_CTRL) & ~0x11); 2475253789Srpaulo 2476253789Srpaulo /* Switch to 40MHz clock. */ 2477253789Srpaulo rsu_write_1(sc, R92S_SYS_CLKR, 0x00); 2478253789Srpaulo /* Disable CPU clock and 80MHz SSC. */ 2479253789Srpaulo rsu_write_1(sc, R92S_SYS_CLKR, 2480253789Srpaulo rsu_read_1(sc, R92S_SYS_CLKR) | 0xa0); 2481253789Srpaulo /* Enable MAC clock. */ 2482253789Srpaulo rsu_write_2(sc, R92S_SYS_CLKR, 2483253789Srpaulo rsu_read_2(sc, R92S_SYS_CLKR) | 2484253789Srpaulo R92S_MAC_CLK_EN | R92S_SYS_CLK_EN); 2485253789Srpaulo 2486253789Srpaulo rsu_write_1(sc, R92S_PMC_FSM, 0x02); 2487253789Srpaulo 2488253789Srpaulo /* Enable digital core and IOREG R/W. */ 2489253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 2490253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x08); 2491253789Srpaulo 2492253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 2493253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x80); 2494253789Srpaulo 2495253789Srpaulo /* Switch the control path to firmware. */ 2496253789Srpaulo reg = rsu_read_2(sc, R92S_SYS_CLKR); 2497253789Srpaulo reg = (reg & ~R92S_SWHW_SEL) | R92S_FWHW_SEL; 2498253789Srpaulo rsu_write_2(sc, R92S_SYS_CLKR, reg); 2499253789Srpaulo 2500253789Srpaulo rsu_write_2(sc, R92S_CR, 0x37fc); 2501253789Srpaulo 2502253789Srpaulo /* Fix USB RX FIFO issue. */ 2503253789Srpaulo rsu_write_1(sc, 0xfe5c, 2504253789Srpaulo rsu_read_1(sc, 0xfe5c) | 0x80); 2505253789Srpaulo 2506253789Srpaulo rsu_write_1(sc, R92S_SYS_CLKR, 2507253789Srpaulo rsu_read_1(sc, R92S_SYS_CLKR) & ~R92S_SYS_CPU_CLKSEL); 2508253789Srpaulo 2509253789Srpaulo rsu_write_1(sc, 0xfe1c, 0x80); 2510253789Srpaulo 2511253789Srpaulo /* Make sure TxDMA is ready to download firmware. */ 2512253789Srpaulo for (ntries = 0; ntries < 20; ntries++) { 2513253789Srpaulo reg = rsu_read_1(sc, R92S_TCR); 2514253789Srpaulo if ((reg & (R92S_TCR_IMEM_CHK_RPT | R92S_TCR_EMEM_CHK_RPT)) == 2515253789Srpaulo (R92S_TCR_IMEM_CHK_RPT | R92S_TCR_EMEM_CHK_RPT)) 2516253789Srpaulo break; 2517287892Sadrian rsu_ms_delay(sc, 1); 2518253789Srpaulo } 2519253789Srpaulo if (ntries == 20) { 2520287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RESET | RSU_DEBUG_TX, 2521287727Sadrian "%s: TxDMA is not ready\n", 2522287727Sadrian __func__); 2523253789Srpaulo /* Reset TxDMA. */ 2524253789Srpaulo reg = rsu_read_1(sc, R92S_CR); 2525253789Srpaulo rsu_write_1(sc, R92S_CR, reg & ~R92S_CR_TXDMA_EN); 2526287892Sadrian rsu_ms_delay(sc, 1); 2527253789Srpaulo rsu_write_1(sc, R92S_CR, reg | R92S_CR_TXDMA_EN); 2528253789Srpaulo } 2529253789Srpaulo} 2530253789Srpaulo 2531253789Srpaulostatic void 2532253789Srpaulorsu_power_off(struct rsu_softc *sc) 2533253789Srpaulo{ 2534253789Srpaulo /* Turn RF off. */ 2535253789Srpaulo rsu_write_1(sc, R92S_RF_CTRL, 0x00); 2536287892Sadrian rsu_ms_delay(sc, 5); 2537253789Srpaulo 2538253789Srpaulo /* Turn MAC off. */ 2539253789Srpaulo /* Switch control path. */ 2540253789Srpaulo rsu_write_1(sc, R92S_SYS_CLKR + 1, 0x38); 2541253789Srpaulo /* Reset MACTOP. */ 2542253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 0x70); 2543253789Srpaulo rsu_write_1(sc, R92S_PMC_FSM, 0x06); 2544253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL + 0, 0xf9); 2545253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL + 1, 0xe8); 2546253789Srpaulo 2547253789Srpaulo /* Disable AFE PLL. */ 2548253789Srpaulo rsu_write_1(sc, R92S_AFE_PLL_CTRL, 0x00); 2549253789Srpaulo /* Disable A15V. */ 2550253789Srpaulo rsu_write_1(sc, R92S_LDOA15_CTRL, 0x54); 2551253789Srpaulo /* Disable eFuse 1.2V. */ 2552253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 0x50); 2553253789Srpaulo rsu_write_1(sc, R92S_LDOV12D_CTRL, 0x24); 2554253789Srpaulo /* Enable AFE macro block's bandgap and Mbias. */ 2555253789Srpaulo rsu_write_1(sc, R92S_AFE_MISC, 0x30); 2556253789Srpaulo /* Disable 1.6V LDO. */ 2557253789Srpaulo rsu_write_1(sc, R92S_SPS0_CTRL + 0, 0x56); 2558253789Srpaulo rsu_write_1(sc, R92S_SPS0_CTRL + 1, 0x43); 2559288094Sadrian 2560288094Sadrian /* Firmware - tell it to switch things off */ 2561288094Sadrian (void) rsu_set_fw_power_state(sc, RSU_PWR_OFF); 2562253789Srpaulo} 2563253789Srpaulo 2564253789Srpaulostatic int 2565253807Srpaulorsu_fw_loadsection(struct rsu_softc *sc, const uint8_t *buf, int len) 2566253789Srpaulo{ 2567267041Shselasky const uint8_t which = rsu_wme_ac_xfer_map[WME_AC_VO]; 2568253789Srpaulo struct rsu_data *data; 2569253789Srpaulo struct r92s_tx_desc *txd; 2570253789Srpaulo int mlen; 2571253789Srpaulo 2572253789Srpaulo while (len > 0) { 2573253789Srpaulo data = rsu_getbuf(sc); 2574253789Srpaulo if (data == NULL) 2575253789Srpaulo return (ENOMEM); 2576253789Srpaulo txd = (struct r92s_tx_desc *)data->buf; 2577253789Srpaulo memset(txd, 0, sizeof(*txd)); 2578253789Srpaulo if (len <= RSU_TXBUFSZ - sizeof(*txd)) { 2579253789Srpaulo /* Last chunk. */ 2580253789Srpaulo txd->txdw0 |= htole32(R92S_TXDW0_LINIP); 2581253789Srpaulo mlen = len; 2582253789Srpaulo } else 2583253789Srpaulo mlen = RSU_TXBUFSZ - sizeof(*txd); 2584253789Srpaulo txd->txdw0 |= htole32(SM(R92S_TXDW0_PKTLEN, mlen)); 2585253789Srpaulo memcpy(&txd[1], buf, mlen); 2586253789Srpaulo data->buflen = sizeof(*txd) + mlen; 2587287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TX | RSU_DEBUG_FW | RSU_DEBUG_RESET, 2588287727Sadrian "%s: starting transfer %p\n", 2589287727Sadrian __func__, data); 2590266505Shselasky STAILQ_INSERT_TAIL(&sc->sc_tx_pending[which], data, next); 2591253789Srpaulo buf += mlen; 2592253789Srpaulo len -= mlen; 2593253789Srpaulo } 2594267041Shselasky usbd_transfer_start(sc->sc_xfer[which]); 2595253789Srpaulo return (0); 2596253789Srpaulo} 2597253789Srpaulo 2598253789Srpaulostatic int 2599253789Srpaulorsu_load_firmware(struct rsu_softc *sc) 2600253789Srpaulo{ 2601253807Srpaulo const struct r92s_fw_hdr *hdr; 2602253789Srpaulo struct r92s_fw_priv *dmem; 2603287947Sadrian struct ieee80211com *ic = &sc->sc_ic; 2604253807Srpaulo const uint8_t *imem, *emem; 2605253789Srpaulo int imemsz, ememsz; 2606253789Srpaulo const struct firmware *fw; 2607253789Srpaulo size_t size; 2608253789Srpaulo uint32_t reg; 2609253789Srpaulo int ntries, error; 2610253789Srpaulo 2611267041Shselasky if (rsu_read_1(sc, R92S_TCR) & R92S_TCR_FWRDY) { 2612288089Sadrian RSU_DPRINTF(sc, RSU_DEBUG_ANY, 2613287727Sadrian "%s: Firmware already loaded\n", 2614287727Sadrian __func__); 2615267041Shselasky return (0); 2616267041Shselasky } 2617267041Shselasky 2618253789Srpaulo RSU_UNLOCK(sc); 2619253789Srpaulo /* Read firmware image from the filesystem. */ 2620253789Srpaulo if ((fw = firmware_get("rsu-rtl8712fw")) == NULL) { 2621253789Srpaulo device_printf(sc->sc_dev, 2622253789Srpaulo "%s: failed load firmware of file rsu-rtl8712fw\n", 2623253789Srpaulo __func__); 2624253789Srpaulo RSU_LOCK(sc); 2625253789Srpaulo return (ENXIO); 2626253789Srpaulo } 2627253789Srpaulo RSU_LOCK(sc); 2628253789Srpaulo size = fw->datasize; 2629253789Srpaulo if (size < sizeof(*hdr)) { 2630253789Srpaulo device_printf(sc->sc_dev, "firmware too short\n"); 2631253789Srpaulo error = EINVAL; 2632253789Srpaulo goto fail; 2633253789Srpaulo } 2634253807Srpaulo hdr = (const struct r92s_fw_hdr *)fw->data; 2635253789Srpaulo if (hdr->signature != htole16(0x8712) && 2636253789Srpaulo hdr->signature != htole16(0x8192)) { 2637253789Srpaulo device_printf(sc->sc_dev, 2638253789Srpaulo "invalid firmware signature 0x%x\n", 2639253789Srpaulo le16toh(hdr->signature)); 2640253789Srpaulo error = EINVAL; 2641253789Srpaulo goto fail; 2642253789Srpaulo } 2643253789Srpaulo DPRINTF("FW V%d %02x-%02x %02x:%02x\n", le16toh(hdr->version), 2644253789Srpaulo hdr->month, hdr->day, hdr->hour, hdr->minute); 2645253789Srpaulo 2646253789Srpaulo /* Make sure that driver and firmware are in sync. */ 2647253789Srpaulo if (hdr->privsz != htole32(sizeof(*dmem))) { 2648253789Srpaulo device_printf(sc->sc_dev, "unsupported firmware image\n"); 2649253789Srpaulo error = EINVAL; 2650253789Srpaulo goto fail; 2651253789Srpaulo } 2652253789Srpaulo /* Get FW sections sizes. */ 2653253789Srpaulo imemsz = le32toh(hdr->imemsz); 2654253789Srpaulo ememsz = le32toh(hdr->sramsz); 2655253789Srpaulo /* Check that all FW sections fit in image. */ 2656253789Srpaulo if (size < sizeof(*hdr) + imemsz + ememsz) { 2657253789Srpaulo device_printf(sc->sc_dev, "firmware too short\n"); 2658253789Srpaulo error = EINVAL; 2659253789Srpaulo goto fail; 2660253789Srpaulo } 2661253807Srpaulo imem = (const uint8_t *)&hdr[1]; 2662253789Srpaulo emem = imem + imemsz; 2663253789Srpaulo 2664253789Srpaulo /* Load IMEM section. */ 2665253789Srpaulo error = rsu_fw_loadsection(sc, imem, imemsz); 2666253789Srpaulo if (error != 0) { 2667253789Srpaulo device_printf(sc->sc_dev, 2668253789Srpaulo "could not load firmware section %s\n", "IMEM"); 2669253789Srpaulo goto fail; 2670253789Srpaulo } 2671253789Srpaulo /* Wait for load to complete. */ 2672266535Shselasky for (ntries = 0; ntries != 50; ntries++) { 2673287892Sadrian rsu_ms_delay(sc, 10); 2674267041Shselasky reg = rsu_read_1(sc, R92S_TCR); 2675253789Srpaulo if (reg & R92S_TCR_IMEM_CODE_DONE) 2676253789Srpaulo break; 2677253789Srpaulo } 2678266535Shselasky if (ntries == 50) { 2679266535Shselasky device_printf(sc->sc_dev, "timeout waiting for IMEM transfer\n"); 2680253789Srpaulo error = ETIMEDOUT; 2681253789Srpaulo goto fail; 2682253789Srpaulo } 2683253789Srpaulo /* Load EMEM section. */ 2684253789Srpaulo error = rsu_fw_loadsection(sc, emem, ememsz); 2685253789Srpaulo if (error != 0) { 2686253789Srpaulo device_printf(sc->sc_dev, 2687253789Srpaulo "could not load firmware section %s\n", "EMEM"); 2688253789Srpaulo goto fail; 2689253789Srpaulo } 2690253789Srpaulo /* Wait for load to complete. */ 2691266542Shselasky for (ntries = 0; ntries != 50; ntries++) { 2692287892Sadrian rsu_ms_delay(sc, 10); 2693253789Srpaulo reg = rsu_read_2(sc, R92S_TCR); 2694253789Srpaulo if (reg & R92S_TCR_EMEM_CODE_DONE) 2695253789Srpaulo break; 2696253789Srpaulo } 2697266542Shselasky if (ntries == 50) { 2698266535Shselasky device_printf(sc->sc_dev, "timeout waiting for EMEM transfer\n"); 2699253789Srpaulo error = ETIMEDOUT; 2700253789Srpaulo goto fail; 2701253789Srpaulo } 2702253789Srpaulo /* Enable CPU. */ 2703253789Srpaulo rsu_write_1(sc, R92S_SYS_CLKR, 2704253789Srpaulo rsu_read_1(sc, R92S_SYS_CLKR) | R92S_SYS_CPU_CLKSEL); 2705253789Srpaulo if (!(rsu_read_1(sc, R92S_SYS_CLKR) & R92S_SYS_CPU_CLKSEL)) { 2706253789Srpaulo device_printf(sc->sc_dev, "could not enable system clock\n"); 2707253789Srpaulo error = EIO; 2708253789Srpaulo goto fail; 2709253789Srpaulo } 2710253789Srpaulo rsu_write_2(sc, R92S_SYS_FUNC_EN, 2711253789Srpaulo rsu_read_2(sc, R92S_SYS_FUNC_EN) | R92S_FEN_CPUEN); 2712253789Srpaulo if (!(rsu_read_2(sc, R92S_SYS_FUNC_EN) & R92S_FEN_CPUEN)) { 2713253789Srpaulo device_printf(sc->sc_dev, 2714253789Srpaulo "could not enable microcontroller\n"); 2715253789Srpaulo error = EIO; 2716253789Srpaulo goto fail; 2717253789Srpaulo } 2718253789Srpaulo /* Wait for CPU to initialize. */ 2719253789Srpaulo for (ntries = 0; ntries < 100; ntries++) { 2720267041Shselasky if (rsu_read_1(sc, R92S_TCR) & R92S_TCR_IMEM_RDY) 2721253789Srpaulo break; 2722287892Sadrian rsu_ms_delay(sc, 1); 2723253789Srpaulo } 2724253789Srpaulo if (ntries == 100) { 2725253789Srpaulo device_printf(sc->sc_dev, 2726253789Srpaulo "timeout waiting for microcontroller\n"); 2727253789Srpaulo error = ETIMEDOUT; 2728253789Srpaulo goto fail; 2729253789Srpaulo } 2730253789Srpaulo 2731253789Srpaulo /* Update DMEM section before loading. */ 2732253807Srpaulo dmem = __DECONST(struct r92s_fw_priv *, &hdr->priv); 2733253789Srpaulo memset(dmem, 0, sizeof(*dmem)); 2734253789Srpaulo dmem->hci_sel = R92S_HCI_SEL_USB | R92S_HCI_SEL_8172; 2735287897Sadrian dmem->nendpoints = sc->sc_nendpoints; 2736288089Sadrian dmem->chip_version = sc->cut; 2737288357Sadrian dmem->rf_config = sc->sc_rftype; 2738253789Srpaulo dmem->vcs_type = R92S_VCS_TYPE_AUTO; 2739253789Srpaulo dmem->vcs_mode = R92S_VCS_MODE_RTS_CTS; 2740287897Sadrian dmem->turbo_mode = 0; 2741287947Sadrian dmem->bw40_en = !! (ic->ic_htcaps & IEEE80211_HTCAP_CHWIDTH40); 2742287947Sadrian dmem->amsdu2ampdu_en = !! (sc->sc_ht); 2743287947Sadrian dmem->ampdu_en = !! (sc->sc_ht); 2744287947Sadrian dmem->agg_offload = !! (sc->sc_ht); 2745287909Sadrian dmem->qos_en = 1; 2746288089Sadrian dmem->ps_offload = 1; 2747288089Sadrian dmem->lowpower_mode = 1; /* XXX TODO: configurable? */ 2748253789Srpaulo /* Load DMEM section. */ 2749253789Srpaulo error = rsu_fw_loadsection(sc, (uint8_t *)dmem, sizeof(*dmem)); 2750253789Srpaulo if (error != 0) { 2751253789Srpaulo device_printf(sc->sc_dev, 2752253789Srpaulo "could not load firmware section %s\n", "DMEM"); 2753253789Srpaulo goto fail; 2754253789Srpaulo } 2755253789Srpaulo /* Wait for load to complete. */ 2756253789Srpaulo for (ntries = 0; ntries < 100; ntries++) { 2757267041Shselasky if (rsu_read_1(sc, R92S_TCR) & R92S_TCR_DMEM_CODE_DONE) 2758253789Srpaulo break; 2759287892Sadrian rsu_ms_delay(sc, 1); 2760253789Srpaulo } 2761253789Srpaulo if (ntries == 100) { 2762253789Srpaulo device_printf(sc->sc_dev, "timeout waiting for %s transfer\n", 2763253789Srpaulo "DMEM"); 2764253789Srpaulo error = ETIMEDOUT; 2765253789Srpaulo goto fail; 2766253789Srpaulo } 2767253789Srpaulo /* Wait for firmware readiness. */ 2768253789Srpaulo for (ntries = 0; ntries < 60; ntries++) { 2769267041Shselasky if (!(rsu_read_1(sc, R92S_TCR) & R92S_TCR_FWRDY)) 2770253789Srpaulo break; 2771287892Sadrian rsu_ms_delay(sc, 1); 2772253789Srpaulo } 2773253789Srpaulo if (ntries == 60) { 2774253789Srpaulo device_printf(sc->sc_dev, 2775253789Srpaulo "timeout waiting for firmware readiness\n"); 2776253789Srpaulo error = ETIMEDOUT; 2777253789Srpaulo goto fail; 2778253789Srpaulo } 2779253789Srpaulo fail: 2780253789Srpaulo firmware_put(fw, FIRMWARE_UNLOAD); 2781253789Srpaulo return (error); 2782253789Srpaulo} 2783253789Srpaulo 2784253789Srpaulo 2785253789Srpaulostatic int 2786253789Srpaulorsu_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2787253789Srpaulo const struct ieee80211_bpf_params *params) 2788253789Srpaulo{ 2789253789Srpaulo struct ieee80211com *ic = ni->ni_ic; 2790286950Sadrian struct rsu_softc *sc = ic->ic_softc; 2791253789Srpaulo struct rsu_data *bf; 2792253789Srpaulo 2793253789Srpaulo /* prevent management frames from being sent if we're not ready */ 2794287197Sglebius if (!sc->sc_running) { 2795253789Srpaulo m_freem(m); 2796253789Srpaulo ieee80211_free_node(ni); 2797253789Srpaulo return (ENETDOWN); 2798253789Srpaulo } 2799253789Srpaulo RSU_LOCK(sc); 2800253789Srpaulo bf = rsu_getbuf(sc); 2801253789Srpaulo if (bf == NULL) { 2802253789Srpaulo ieee80211_free_node(ni); 2803253789Srpaulo m_freem(m); 2804253789Srpaulo RSU_UNLOCK(sc); 2805253789Srpaulo return (ENOBUFS); 2806253789Srpaulo } 2807266505Shselasky if (rsu_tx_start(sc, ni, m, bf) != 0) { 2808253789Srpaulo ieee80211_free_node(ni); 2809288257Sadrian m_freem(m); 2810287953Sadrian rsu_freebuf(sc, bf); 2811253789Srpaulo RSU_UNLOCK(sc); 2812253789Srpaulo return (EIO); 2813253789Srpaulo } 2814253789Srpaulo RSU_UNLOCK(sc); 2815253789Srpaulo 2816253789Srpaulo return (0); 2817253789Srpaulo} 2818253789Srpaulo 2819253789Srpaulostatic void 2820287197Sglebiusrsu_init(struct rsu_softc *sc) 2821253789Srpaulo{ 2822287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 2823287197Sglebius struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2824287197Sglebius uint8_t macaddr[IEEE80211_ADDR_LEN]; 2825253789Srpaulo int error; 2826266535Shselasky int i; 2827253789Srpaulo 2828287197Sglebius RSU_ASSERT_LOCKED(sc); 2829287197Sglebius 2830288051Sadrian /* Ensure the mbuf queue is drained */ 2831288051Sadrian rsu_drain_mbufq(sc); 2832288051Sadrian 2833253789Srpaulo /* Init host async commands ring. */ 2834253789Srpaulo sc->cmdq.cur = sc->cmdq.next = sc->cmdq.queued = 0; 2835253789Srpaulo 2836288089Sadrian /* Reset power management state. */ 2837288089Sadrian rsu_write_1(sc, R92S_USB_HRPWM, 0); 2838288089Sadrian 2839253789Srpaulo /* Power on adapter. */ 2840253789Srpaulo if (sc->cut == 1) 2841253789Srpaulo rsu_power_on_acut(sc); 2842253789Srpaulo else 2843253789Srpaulo rsu_power_on_bcut(sc); 2844267041Shselasky 2845253789Srpaulo /* Load firmware. */ 2846253789Srpaulo error = rsu_load_firmware(sc); 2847253789Srpaulo if (error != 0) 2848253789Srpaulo goto fail; 2849253789Srpaulo 2850253789Srpaulo /* Enable Rx TCP checksum offload. */ 2851253789Srpaulo rsu_write_4(sc, R92S_RCR, 2852253789Srpaulo rsu_read_4(sc, R92S_RCR) | 0x04000000); 2853253789Srpaulo /* Append PHY status. */ 2854253789Srpaulo rsu_write_4(sc, R92S_RCR, 2855253789Srpaulo rsu_read_4(sc, R92S_RCR) | 0x02000000); 2856253789Srpaulo 2857253789Srpaulo rsu_write_4(sc, R92S_CR, 2858253789Srpaulo rsu_read_4(sc, R92S_CR) & ~0xff000000); 2859253789Srpaulo 2860253789Srpaulo /* Use 128 bytes pages. */ 2861253789Srpaulo rsu_write_1(sc, 0x00b5, 2862253789Srpaulo rsu_read_1(sc, 0x00b5) | 0x01); 2863253789Srpaulo /* Enable USB Rx aggregation. */ 2864253789Srpaulo rsu_write_1(sc, 0x00bd, 2865253789Srpaulo rsu_read_1(sc, 0x00bd) | 0x80); 2866253789Srpaulo /* Set USB Rx aggregation threshold. */ 2867253789Srpaulo rsu_write_1(sc, 0x00d9, 0x01); 2868253789Srpaulo /* Set USB Rx aggregation timeout (1.7ms/4). */ 2869253789Srpaulo rsu_write_1(sc, 0xfe5b, 0x04); 2870253789Srpaulo /* Fix USB Rx FIFO issue. */ 2871253789Srpaulo rsu_write_1(sc, 0xfe5c, 2872253789Srpaulo rsu_read_1(sc, 0xfe5c) | 0x80); 2873253789Srpaulo 2874253789Srpaulo /* Set MAC address. */ 2875287197Sglebius IEEE80211_ADDR_COPY(macaddr, vap ? vap->iv_myaddr : ic->ic_macaddr); 2876287197Sglebius rsu_write_region_1(sc, R92S_MACID, macaddr, IEEE80211_ADDR_LEN); 2877253789Srpaulo 2878266471Shselasky /* It really takes 1.5 seconds for the firmware to boot: */ 2879287892Sadrian rsu_ms_delay(sc, 2000); 2880253789Srpaulo 2881287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RESET, "%s: setting MAC address to %s\n", 2882287727Sadrian __func__, 2883287727Sadrian ether_sprintf(macaddr)); 2884287197Sglebius error = rsu_fw_cmd(sc, R92S_CMD_SET_MAC_ADDRESS, macaddr, 2885253789Srpaulo IEEE80211_ADDR_LEN); 2886253789Srpaulo if (error != 0) { 2887253789Srpaulo device_printf(sc->sc_dev, "could not set MAC address\n"); 2888253789Srpaulo goto fail; 2889253789Srpaulo } 2890253789Srpaulo 2891288089Sadrian /* Set PS mode fully active */ 2892288089Sadrian error = rsu_set_fw_power_state(sc, RSU_PWR_ACTIVE); 2893253789Srpaulo 2894253789Srpaulo if (error != 0) { 2895253789Srpaulo device_printf(sc->sc_dev, "could not set PS mode\n"); 2896253789Srpaulo goto fail; 2897253789Srpaulo } 2898253789Srpaulo 2899287197Sglebius sc->sc_scan_pass = 0; 2900253789Srpaulo usbd_transfer_start(sc->sc_xfer[RSU_BULK_RX]); 2901253789Srpaulo 2902253789Srpaulo /* We're ready to go. */ 2903287197Sglebius sc->sc_running = 1; 2904287954Sadrian sc->sc_scanning = 0; 2905253789Srpaulo return; 2906253789Srpaulofail: 2907266535Shselasky /* Need to stop all failed transfers, if any */ 2908266535Shselasky for (i = 0; i != RSU_N_TRANSFER; i++) 2909266535Shselasky usbd_transfer_stop(sc->sc_xfer[i]); 2910253789Srpaulo} 2911253789Srpaulo 2912253789Srpaulostatic void 2913287197Sglebiusrsu_stop(struct rsu_softc *sc) 2914253789Srpaulo{ 2915253789Srpaulo int i; 2916253789Srpaulo 2917288094Sadrian RSU_ASSERT_LOCKED(sc); 2918288094Sadrian 2919287197Sglebius sc->sc_running = 0; 2920253789Srpaulo sc->sc_calibrating = 0; 2921253789Srpaulo taskqueue_cancel_timeout(taskqueue_thread, &sc->calib_task, NULL); 2922288052Sadrian taskqueue_cancel(taskqueue_thread, &sc->tx_task, NULL); 2923253789Srpaulo 2924253789Srpaulo /* Power off adapter. */ 2925253789Srpaulo rsu_power_off(sc); 2926253789Srpaulo 2927253789Srpaulo for (i = 0; i < RSU_N_TRANSFER; i++) 2928253789Srpaulo usbd_transfer_stop(sc->sc_xfer[i]); 2929288051Sadrian 2930288051Sadrian /* Ensure the mbuf queue is drained */ 2931288051Sadrian rsu_drain_mbufq(sc); 2932253789Srpaulo} 2933253789Srpaulo 2934287892Sadrian/* 2935287892Sadrian * Note: usb_pause_mtx() actually releases the mutex before calling pause(), 2936287892Sadrian * which breaks any kind of driver serialisation. 2937287892Sadrian */ 2938266471Shselaskystatic void 2939287892Sadrianrsu_ms_delay(struct rsu_softc *sc, int ms) 2940266471Shselasky{ 2941287892Sadrian 2942287892Sadrian //usb_pause_mtx(&sc->sc_mtx, hz / 1000); 2943287892Sadrian DELAY(ms * 1000); 2944266471Shselasky} 2945