if_rsu.c revision 288089
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 288089 2015-09-22 02:57:18Z adrian $"); 20253789Srpaulo 21253789Srpaulo/* 22253789Srpaulo * Driver for Realtek RTL8188SU/RTL8191SU/RTL8192SU. 23253789Srpaulo * 24253789Srpaulo * TODO: 25288053Sadrian * o 11n HT40 support 26253789Srpaulo * o h/w crypto 27253789Srpaulo * o hostap / ibss / mesh 28288053Sadrian * o sensible RSSI levels 29288053Sadrian * o power-save operation 30253789Srpaulo */ 31287727Sadrian 32253789Srpaulo#include <sys/param.h> 33253789Srpaulo#include <sys/endian.h> 34253789Srpaulo#include <sys/sockio.h> 35253789Srpaulo#include <sys/mbuf.h> 36253789Srpaulo#include <sys/kernel.h> 37253789Srpaulo#include <sys/socket.h> 38253789Srpaulo#include <sys/systm.h> 39253789Srpaulo#include <sys/conf.h> 40253789Srpaulo#include <sys/bus.h> 41253789Srpaulo#include <sys/rman.h> 42253789Srpaulo#include <sys/firmware.h> 43253789Srpaulo#include <sys/module.h> 44253789Srpaulo 45253789Srpaulo#include <machine/bus.h> 46253789Srpaulo#include <machine/resource.h> 47253789Srpaulo 48253789Srpaulo#include <net/bpf.h> 49253789Srpaulo#include <net/if.h> 50257176Sglebius#include <net/if_var.h> 51253789Srpaulo#include <net/if_arp.h> 52253789Srpaulo#include <net/if_dl.h> 53253789Srpaulo#include <net/if_media.h> 54253789Srpaulo#include <net/if_types.h> 55253789Srpaulo 56253789Srpaulo#include <netinet/in.h> 57253789Srpaulo#include <netinet/in_systm.h> 58253789Srpaulo#include <netinet/in_var.h> 59253789Srpaulo#include <netinet/if_ether.h> 60253789Srpaulo#include <netinet/ip.h> 61253789Srpaulo 62253789Srpaulo#include <net80211/ieee80211_var.h> 63253789Srpaulo#include <net80211/ieee80211_regdomain.h> 64253789Srpaulo#include <net80211/ieee80211_radiotap.h> 65253789Srpaulo 66253789Srpaulo#include <dev/usb/usb.h> 67253789Srpaulo#include <dev/usb/usbdi.h> 68253789Srpaulo#include "usbdevs.h" 69253789Srpaulo 70253789Srpaulo#define USB_DEBUG_VAR rsu_debug 71253789Srpaulo#include <dev/usb/usb_debug.h> 72253789Srpaulo 73253789Srpaulo#include <dev/usb/wlan/if_rsureg.h> 74253789Srpaulo 75253789Srpaulo#ifdef USB_DEBUG 76253789Srpaulostatic int rsu_debug = 0; 77253789SrpauloSYSCTL_NODE(_hw_usb, OID_AUTO, rsu, CTLFLAG_RW, 0, "USB rsu"); 78276701ShselaskySYSCTL_INT(_hw_usb_rsu, OID_AUTO, debug, CTLFLAG_RWTUN, &rsu_debug, 0, 79253789Srpaulo "Debug level"); 80287727Sadrian#define RSU_DPRINTF(_sc, _flg, ...) \ 81287727Sadrian do \ 82287727Sadrian if (((_flg) == (RSU_DEBUG_ANY)) || (rsu_debug & (_flg))) \ 83287727Sadrian device_printf((_sc)->sc_dev, __VA_ARGS__); \ 84287727Sadrian while (0) 85287727Sadrian#else 86287727Sadrian#define RSU_DPRINTF(_sc, _flg, ...) 87253789Srpaulo#endif 88253789Srpaulo 89288053Sadrianstatic int rsu_enable_11n = 1; 90287947SadrianTUNABLE_INT("hw.usb.rsu.enable_11n", &rsu_enable_11n); 91287947Sadrian 92287727Sadrian#define RSU_DEBUG_ANY 0xffffffff 93287727Sadrian#define RSU_DEBUG_TX 0x00000001 94287727Sadrian#define RSU_DEBUG_RX 0x00000002 95287727Sadrian#define RSU_DEBUG_RESET 0x00000004 96287727Sadrian#define RSU_DEBUG_CALIB 0x00000008 97287727Sadrian#define RSU_DEBUG_STATE 0x00000010 98287727Sadrian#define RSU_DEBUG_SCAN 0x00000020 99287727Sadrian#define RSU_DEBUG_FWCMD 0x00000040 100287727Sadrian#define RSU_DEBUG_TXDONE 0x00000080 101287727Sadrian#define RSU_DEBUG_FW 0x00000100 102287727Sadrian#define RSU_DEBUG_FWDBG 0x00000200 103288089Sadrian#define RSU_DEBUG_AMPDU 0x00000400 104287727Sadrian 105253789Srpaulostatic const STRUCT_USB_HOST_ID rsu_devs[] = { 106253789Srpaulo#define RSU_HT_NOT_SUPPORTED 0 107253789Srpaulo#define RSU_HT_SUPPORTED 1 108253789Srpaulo#define RSU_DEV_HT(v,p) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, \ 109253789Srpaulo RSU_HT_SUPPORTED) } 110253789Srpaulo#define RSU_DEV(v,p) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, \ 111253789Srpaulo RSU_HT_NOT_SUPPORTED) } 112253789Srpaulo RSU_DEV(ASUS, RTL8192SU), 113253789Srpaulo RSU_DEV(AZUREWAVE, RTL8192SU_4), 114253789Srpaulo RSU_DEV_HT(ACCTON, RTL8192SU), 115253789Srpaulo RSU_DEV_HT(ASUS, USBN10), 116253789Srpaulo RSU_DEV_HT(AZUREWAVE, RTL8192SU_1), 117253789Srpaulo RSU_DEV_HT(AZUREWAVE, RTL8192SU_2), 118253789Srpaulo RSU_DEV_HT(AZUREWAVE, RTL8192SU_3), 119253789Srpaulo RSU_DEV_HT(AZUREWAVE, RTL8192SU_5), 120253789Srpaulo RSU_DEV_HT(BELKIN, RTL8192SU_1), 121253789Srpaulo RSU_DEV_HT(BELKIN, RTL8192SU_2), 122253789Srpaulo RSU_DEV_HT(BELKIN, RTL8192SU_3), 123253789Srpaulo RSU_DEV_HT(CONCEPTRONIC2, RTL8192SU_1), 124253789Srpaulo RSU_DEV_HT(CONCEPTRONIC2, RTL8192SU_2), 125253789Srpaulo RSU_DEV_HT(CONCEPTRONIC2, RTL8192SU_3), 126253789Srpaulo RSU_DEV_HT(COREGA, RTL8192SU), 127253789Srpaulo RSU_DEV_HT(DLINK2, DWA131A1), 128253789Srpaulo RSU_DEV_HT(DLINK2, RTL8192SU_1), 129253789Srpaulo RSU_DEV_HT(DLINK2, RTL8192SU_2), 130253789Srpaulo RSU_DEV_HT(EDIMAX, RTL8192SU_1), 131253789Srpaulo RSU_DEV_HT(EDIMAX, RTL8192SU_2), 132258028Skevlo RSU_DEV_HT(EDIMAX, EW7622UMN), 133253789Srpaulo RSU_DEV_HT(GUILLEMOT, HWGUN54), 134253789Srpaulo RSU_DEV_HT(GUILLEMOT, HWNUM300), 135253789Srpaulo RSU_DEV_HT(HAWKING, RTL8192SU_1), 136253789Srpaulo RSU_DEV_HT(HAWKING, RTL8192SU_2), 137253789Srpaulo RSU_DEV_HT(PLANEX2, GWUSNANO), 138253789Srpaulo RSU_DEV_HT(REALTEK, RTL8171), 139253789Srpaulo RSU_DEV_HT(REALTEK, RTL8172), 140253789Srpaulo RSU_DEV_HT(REALTEK, RTL8173), 141253789Srpaulo RSU_DEV_HT(REALTEK, RTL8174), 142253789Srpaulo RSU_DEV_HT(REALTEK, RTL8192SU), 143253789Srpaulo RSU_DEV_HT(REALTEK, RTL8712), 144253789Srpaulo RSU_DEV_HT(REALTEK, RTL8713), 145253789Srpaulo RSU_DEV_HT(SENAO, RTL8192SU_1), 146253789Srpaulo RSU_DEV_HT(SENAO, RTL8192SU_2), 147253789Srpaulo RSU_DEV_HT(SITECOMEU, WL349V1), 148253789Srpaulo RSU_DEV_HT(SITECOMEU, WL353), 149253789Srpaulo RSU_DEV_HT(SWEEX2, LW154), 150274684Skevlo RSU_DEV_HT(TRENDNET, TEW646UBH), 151253789Srpaulo#undef RSU_DEV_HT 152253789Srpaulo#undef RSU_DEV 153253789Srpaulo}; 154253789Srpaulo 155253789Srpaulostatic device_probe_t rsu_match; 156253789Srpaulostatic device_attach_t rsu_attach; 157253789Srpaulostatic device_detach_t rsu_detach; 158267041Shselaskystatic usb_callback_t rsu_bulk_tx_callback_be_bk; 159267041Shselaskystatic usb_callback_t rsu_bulk_tx_callback_vi_vo; 160287896Sadrianstatic usb_callback_t rsu_bulk_tx_callback_h2c; 161253789Srpaulostatic usb_callback_t rsu_bulk_rx_callback; 162253789Srpaulostatic usb_error_t rsu_do_request(struct rsu_softc *, 163253789Srpaulo struct usb_device_request *, void *); 164253789Srpaulostatic struct ieee80211vap * 165253789Srpaulo rsu_vap_create(struct ieee80211com *, const char name[], 166253789Srpaulo int, enum ieee80211_opmode, int, const uint8_t bssid[], 167253789Srpaulo const uint8_t mac[]); 168253789Srpaulostatic void rsu_vap_delete(struct ieee80211vap *); 169253789Srpaulostatic void rsu_scan_start(struct ieee80211com *); 170253789Srpaulostatic void rsu_scan_end(struct ieee80211com *); 171253789Srpaulostatic void rsu_set_channel(struct ieee80211com *); 172283540Sglebiusstatic void rsu_update_mcast(struct ieee80211com *); 173253789Srpaulostatic int rsu_alloc_rx_list(struct rsu_softc *); 174253789Srpaulostatic void rsu_free_rx_list(struct rsu_softc *); 175253789Srpaulostatic int rsu_alloc_tx_list(struct rsu_softc *); 176253789Srpaulostatic void rsu_free_tx_list(struct rsu_softc *); 177253789Srpaulostatic void rsu_free_list(struct rsu_softc *, struct rsu_data [], int); 178253789Srpaulostatic struct rsu_data *_rsu_getbuf(struct rsu_softc *); 179253789Srpaulostatic struct rsu_data *rsu_getbuf(struct rsu_softc *); 180287953Sadrianstatic void rsu_freebuf(struct rsu_softc *, struct rsu_data *); 181253789Srpaulostatic int rsu_write_region_1(struct rsu_softc *, uint16_t, uint8_t *, 182253789Srpaulo int); 183253789Srpaulostatic void rsu_write_1(struct rsu_softc *, uint16_t, uint8_t); 184253789Srpaulostatic void rsu_write_2(struct rsu_softc *, uint16_t, uint16_t); 185253789Srpaulostatic void rsu_write_4(struct rsu_softc *, uint16_t, uint32_t); 186253789Srpaulostatic int rsu_read_region_1(struct rsu_softc *, uint16_t, uint8_t *, 187253789Srpaulo int); 188253789Srpaulostatic uint8_t rsu_read_1(struct rsu_softc *, uint16_t); 189253789Srpaulostatic uint16_t rsu_read_2(struct rsu_softc *, uint16_t); 190253789Srpaulostatic uint32_t rsu_read_4(struct rsu_softc *, uint16_t); 191253789Srpaulostatic int rsu_fw_iocmd(struct rsu_softc *, uint32_t); 192253789Srpaulostatic uint8_t rsu_efuse_read_1(struct rsu_softc *, uint16_t); 193253789Srpaulostatic int rsu_read_rom(struct rsu_softc *); 194253789Srpaulostatic int rsu_fw_cmd(struct rsu_softc *, uint8_t, void *, int); 195253789Srpaulostatic void rsu_calib_task(void *, int); 196288052Sadrianstatic void rsu_tx_task(void *, int); 197253789Srpaulostatic int rsu_newstate(struct ieee80211vap *, enum ieee80211_state, int); 198253789Srpaulo#ifdef notyet 199253789Srpaulostatic void rsu_set_key(struct rsu_softc *, const struct ieee80211_key *); 200253789Srpaulostatic void rsu_delete_key(struct rsu_softc *, const struct ieee80211_key *); 201253789Srpaulo#endif 202253789Srpaulostatic int rsu_site_survey(struct rsu_softc *, struct ieee80211vap *); 203253789Srpaulostatic int rsu_join_bss(struct rsu_softc *, struct ieee80211_node *); 204253789Srpaulostatic int rsu_disconnect(struct rsu_softc *); 205253789Srpaulostatic void rsu_event_survey(struct rsu_softc *, uint8_t *, int); 206253789Srpaulostatic void rsu_event_join_bss(struct rsu_softc *, uint8_t *, int); 207253789Srpaulostatic void rsu_rx_event(struct rsu_softc *, uint8_t, uint8_t *, int); 208253789Srpaulostatic void rsu_rx_multi_event(struct rsu_softc *, uint8_t *, int); 209253789Srpaulostatic int8_t rsu_get_rssi(struct rsu_softc *, int, void *); 210253789Srpaulostatic struct mbuf * 211253789Srpaulo rsu_rx_frame(struct rsu_softc *, uint8_t *, int, int *); 212253789Srpaulostatic struct mbuf * 213253789Srpaulo rsu_rx_multi_frame(struct rsu_softc *, uint8_t *, int, int *); 214253789Srpaulostatic struct mbuf * 215253789Srpaulo rsu_rxeof(struct usb_xfer *, struct rsu_data *, int *); 216253789Srpaulostatic void rsu_txeof(struct usb_xfer *, struct rsu_data *); 217253789Srpaulostatic int rsu_raw_xmit(struct ieee80211_node *, struct mbuf *, 218253789Srpaulo const struct ieee80211_bpf_params *); 219287197Sglebiusstatic void rsu_init(struct rsu_softc *); 220253789Srpaulostatic int rsu_tx_start(struct rsu_softc *, struct ieee80211_node *, 221266505Shselasky struct mbuf *, struct rsu_data *); 222287197Sglebiusstatic int rsu_transmit(struct ieee80211com *, struct mbuf *); 223287197Sglebiusstatic void rsu_start(struct rsu_softc *); 224288052Sadrianstatic void _rsu_start(struct rsu_softc *); 225287197Sglebiusstatic void rsu_parent(struct ieee80211com *); 226287197Sglebiusstatic void rsu_stop(struct rsu_softc *); 227287892Sadrianstatic void rsu_ms_delay(struct rsu_softc *, int); 228253789Srpaulo 229253789Srpaulostatic device_method_t rsu_methods[] = { 230253789Srpaulo DEVMETHOD(device_probe, rsu_match), 231253789Srpaulo DEVMETHOD(device_attach, rsu_attach), 232253789Srpaulo DEVMETHOD(device_detach, rsu_detach), 233253789Srpaulo 234253789Srpaulo DEVMETHOD_END 235253789Srpaulo}; 236253789Srpaulo 237253789Srpaulostatic driver_t rsu_driver = { 238253789Srpaulo .name = "rsu", 239253789Srpaulo .methods = rsu_methods, 240253789Srpaulo .size = sizeof(struct rsu_softc) 241253789Srpaulo}; 242253789Srpaulo 243253789Srpaulostatic devclass_t rsu_devclass; 244253789Srpaulo 245253789SrpauloDRIVER_MODULE(rsu, uhub, rsu_driver, rsu_devclass, NULL, 0); 246253789SrpauloMODULE_DEPEND(rsu, wlan, 1, 1, 1); 247253789SrpauloMODULE_DEPEND(rsu, usb, 1, 1, 1); 248253789SrpauloMODULE_DEPEND(rsu, firmware, 1, 1, 1); 249253789SrpauloMODULE_VERSION(rsu, 1); 250253789Srpaulo 251267041Shselaskystatic uint8_t rsu_wme_ac_xfer_map[4] = { 252267041Shselasky [WME_AC_BE] = RSU_BULK_TX_BE_BK, 253267041Shselasky [WME_AC_BK] = RSU_BULK_TX_BE_BK, 254267041Shselasky [WME_AC_VI] = RSU_BULK_TX_VI_VO, 255267041Shselasky [WME_AC_VO] = RSU_BULK_TX_VI_VO, 256267041Shselasky}; 257267041Shselasky 258287896Sadrian/* XXX hard-coded */ 259287896Sadrian#define RSU_H2C_ENDPOINT 3 260287896Sadrian 261253789Srpaulostatic const struct usb_config rsu_config[RSU_N_TRANSFER] = { 262253789Srpaulo [RSU_BULK_RX] = { 263253789Srpaulo .type = UE_BULK, 264253789Srpaulo .endpoint = UE_ADDR_ANY, 265253789Srpaulo .direction = UE_DIR_IN, 266253789Srpaulo .bufsize = RSU_RXBUFSZ, 267253789Srpaulo .flags = { 268253789Srpaulo .pipe_bof = 1, 269253789Srpaulo .short_xfer_ok = 1 270253789Srpaulo }, 271253789Srpaulo .callback = rsu_bulk_rx_callback 272253789Srpaulo }, 273267041Shselasky [RSU_BULK_TX_BE_BK] = { 274253789Srpaulo .type = UE_BULK, 275253789Srpaulo .endpoint = 0x06, 276253789Srpaulo .direction = UE_DIR_OUT, 277253789Srpaulo .bufsize = RSU_TXBUFSZ, 278253789Srpaulo .flags = { 279253789Srpaulo .ext_buffer = 1, 280253789Srpaulo .pipe_bof = 1, 281253789Srpaulo .force_short_xfer = 1 282253789Srpaulo }, 283267041Shselasky .callback = rsu_bulk_tx_callback_be_bk, 284253789Srpaulo .timeout = RSU_TX_TIMEOUT 285253789Srpaulo }, 286267041Shselasky [RSU_BULK_TX_VI_VO] = { 287253789Srpaulo .type = UE_BULK, 288253789Srpaulo .endpoint = 0x04, 289253789Srpaulo .direction = UE_DIR_OUT, 290253789Srpaulo .bufsize = RSU_TXBUFSZ, 291253789Srpaulo .flags = { 292253789Srpaulo .ext_buffer = 1, 293253789Srpaulo .pipe_bof = 1, 294253789Srpaulo .force_short_xfer = 1 295253789Srpaulo }, 296267041Shselasky .callback = rsu_bulk_tx_callback_vi_vo, 297253789Srpaulo .timeout = RSU_TX_TIMEOUT 298253789Srpaulo }, 299287896Sadrian [RSU_BULK_TX_H2C] = { 300287896Sadrian .type = UE_BULK, 301287896Sadrian .endpoint = 0x0d, 302287896Sadrian .direction = UE_DIR_OUT, 303287896Sadrian .bufsize = RSU_TXBUFSZ, 304287896Sadrian .flags = { 305287896Sadrian .ext_buffer = 1, 306287896Sadrian .pipe_bof = 1, 307287896Sadrian .short_xfer_ok = 1 308287896Sadrian }, 309287896Sadrian .callback = rsu_bulk_tx_callback_h2c, 310287896Sadrian .timeout = RSU_TX_TIMEOUT 311287896Sadrian }, 312253789Srpaulo}; 313253789Srpaulo 314253789Srpaulostatic int 315253789Srpaulorsu_match(device_t self) 316253789Srpaulo{ 317253789Srpaulo struct usb_attach_arg *uaa = device_get_ivars(self); 318253789Srpaulo 319253789Srpaulo if (uaa->usb_mode != USB_MODE_HOST || 320253789Srpaulo uaa->info.bIfaceIndex != 0 || 321253789Srpaulo uaa->info.bConfigIndex != 0) 322253789Srpaulo return (ENXIO); 323253789Srpaulo 324253789Srpaulo return (usbd_lookup_id_by_uaa(rsu_devs, sizeof(rsu_devs), uaa)); 325253789Srpaulo} 326253789Srpaulo 327253789Srpaulostatic int 328287763Sadrianrsu_send_mgmt(struct ieee80211_node *ni, int type, int arg) 329287763Sadrian{ 330287763Sadrian 331287763Sadrian return (ENOTSUP); 332287763Sadrian} 333287763Sadrian 334287895Sadrianstatic void 335287895Sadrianrsu_update_chw(struct ieee80211com *ic) 336287895Sadrian{ 337287895Sadrian 338287895Sadrian} 339287895Sadrian 340288089Sadrian/* 341288089Sadrian * notification from net80211 that it'd like to do A-MPDU on the given TID. 342288089Sadrian * 343288089Sadrian * Note: this actually hangs traffic at the present moment, so don't use it. 344288089Sadrian * The firmware debug does indiciate it's sending and establishing a TX AMPDU 345288089Sadrian * session, but then no traffic flows. 346288089Sadrian */ 347287763Sadrianstatic int 348287895Sadrianrsu_ampdu_enable(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap) 349287895Sadrian{ 350288089Sadrian#if 0 351288089Sadrian struct rsu_softc *sc = ni->ni_ic->ic_softc; 352288089Sadrian struct r92s_add_ba_req req; 353287895Sadrian 354288089Sadrian /* Don't enable if it's requested or running */ 355288089Sadrian if (IEEE80211_AMPDU_REQUESTED(tap)) 356288089Sadrian return (0); 357288089Sadrian if (IEEE80211_AMPDU_RUNNING(tap)) 358288089Sadrian return (0); 359288089Sadrian 360288089Sadrian /* We've decided to send addba; so send it */ 361288089Sadrian req.tid = htole32(tap->txa_tid); 362288089Sadrian 363288089Sadrian /* Attempt net80211 state */ 364288089Sadrian if (ieee80211_ampdu_tx_request_ext(ni, tap->txa_tid) != 1) 365288089Sadrian return (0); 366288089Sadrian 367288089Sadrian /* Send the firmware command */ 368288089Sadrian RSU_DPRINTF(sc, RSU_DEBUG_AMPDU, "%s: establishing AMPDU TX for TID %d\n", 369288089Sadrian __func__, 370288089Sadrian tap->txa_tid); 371288089Sadrian 372288089Sadrian RSU_LOCK(sc); 373288089Sadrian if (rsu_fw_cmd(sc, R92S_CMD_ADDBA_REQ, &req, sizeof(req)) != 1) { 374288089Sadrian RSU_UNLOCK(sc); 375288089Sadrian /* Mark failure */ 376288089Sadrian (void) ieee80211_ampdu_tx_request_active_ext(ni, tap->txa_tid, 0); 377288089Sadrian return (0); 378288089Sadrian } 379288089Sadrian RSU_UNLOCK(sc); 380288089Sadrian 381288089Sadrian /* Mark success; we don't get any further notifications */ 382288089Sadrian (void) ieee80211_ampdu_tx_request_active_ext(ni, tap->txa_tid, 1); 383288089Sadrian#endif 384288089Sadrian /* Return 0, we're driving this ourselves */ 385287895Sadrian return (0); 386287895Sadrian} 387287895Sadrian 388287895Sadrianstatic int 389287895Sadrianrsu_wme_update(struct ieee80211com *ic) 390287895Sadrian{ 391287895Sadrian 392287895Sadrian /* Firmware handles this; not our problem */ 393287895Sadrian return (0); 394287895Sadrian} 395287895Sadrian 396287895Sadrianstatic int 397253789Srpaulorsu_attach(device_t self) 398253789Srpaulo{ 399253789Srpaulo struct usb_attach_arg *uaa = device_get_ivars(self); 400253789Srpaulo struct rsu_softc *sc = device_get_softc(self); 401287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 402253789Srpaulo int error; 403253789Srpaulo uint8_t iface_index, bands; 404287894Sadrian struct usb_interface *iface; 405253789Srpaulo 406253789Srpaulo device_set_usb_desc(self); 407253789Srpaulo sc->sc_udev = uaa->device; 408253789Srpaulo sc->sc_dev = self; 409287947Sadrian if (rsu_enable_11n) 410287947Sadrian sc->sc_ht = !! (USB_GET_DRIVER_INFO(uaa) & RSU_HT_SUPPORTED); 411253789Srpaulo 412287894Sadrian /* Get number of endpoints */ 413287894Sadrian iface = usbd_get_iface(sc->sc_udev, 0); 414287894Sadrian sc->sc_nendpoints = iface->idesc->bNumEndpoints; 415287894Sadrian 416287897Sadrian /* Endpoints are hard-coded for now, so enforce 4-endpoint only */ 417287897Sadrian if (sc->sc_nendpoints != 4) { 418287897Sadrian device_printf(sc->sc_dev, 419287897Sadrian "the driver currently only supports 4-endpoint devices\n"); 420287897Sadrian return (ENXIO); 421287897Sadrian } 422287897Sadrian 423253789Srpaulo mtx_init(&sc->sc_mtx, device_get_nameunit(self), MTX_NETWORK_LOCK, 424253789Srpaulo MTX_DEF); 425253789Srpaulo TIMEOUT_TASK_INIT(taskqueue_thread, &sc->calib_task, 0, 426253789Srpaulo rsu_calib_task, sc); 427288052Sadrian TASK_INIT(&sc->tx_task, 0, rsu_tx_task, sc); 428287197Sglebius mbufq_init(&sc->sc_snd, ifqmaxlen); 429253789Srpaulo 430266535Shselasky /* Allocate Tx/Rx buffers. */ 431266535Shselasky error = rsu_alloc_rx_list(sc); 432266535Shselasky if (error != 0) { 433266535Shselasky device_printf(sc->sc_dev, "could not allocate Rx buffers\n"); 434266535Shselasky goto fail_usb; 435266535Shselasky } 436266535Shselasky 437266535Shselasky error = rsu_alloc_tx_list(sc); 438266535Shselasky if (error != 0) { 439266535Shselasky device_printf(sc->sc_dev, "could not allocate Tx buffers\n"); 440266535Shselasky rsu_free_rx_list(sc); 441266535Shselasky goto fail_usb; 442266535Shselasky } 443266535Shselasky 444253789Srpaulo iface_index = 0; 445253789Srpaulo error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_xfer, 446253789Srpaulo rsu_config, RSU_N_TRANSFER, sc, &sc->sc_mtx); 447253789Srpaulo if (error) { 448253789Srpaulo device_printf(sc->sc_dev, 449253789Srpaulo "could not allocate USB transfers, err=%s\n", 450253789Srpaulo usbd_errstr(error)); 451253831Srpaulo goto fail_usb; 452253789Srpaulo } 453253789Srpaulo RSU_LOCK(sc); 454253789Srpaulo /* Read chip revision. */ 455253789Srpaulo sc->cut = MS(rsu_read_4(sc, R92S_PMC_FSM), R92S_PMC_FSM_CUT); 456253789Srpaulo if (sc->cut != 3) 457253789Srpaulo sc->cut = (sc->cut >> 1) + 1; 458253789Srpaulo error = rsu_read_rom(sc); 459276611Shselasky RSU_UNLOCK(sc); 460253789Srpaulo if (error != 0) { 461253789Srpaulo device_printf(self, "could not read ROM\n"); 462253831Srpaulo goto fail_rom; 463253789Srpaulo } 464287197Sglebius IEEE80211_ADDR_COPY(ic->ic_macaddr, &sc->rom[0x12]); 465253789Srpaulo device_printf(self, "MAC/BB RTL8712 cut %d\n", sc->cut); 466253789Srpaulo 467283537Sglebius ic->ic_softc = sc; 468283527Sglebius ic->ic_name = device_get_nameunit(self); 469253789Srpaulo ic->ic_phytype = IEEE80211_T_OFDM; /* Not only, but not used. */ 470253789Srpaulo ic->ic_opmode = IEEE80211_M_STA; /* Default to BSS mode. */ 471253789Srpaulo 472253789Srpaulo /* Set device capabilities. */ 473253789Srpaulo ic->ic_caps = 474253789Srpaulo IEEE80211_C_STA | /* station mode */ 475287727Sadrian#if 0 476253789Srpaulo IEEE80211_C_BGSCAN | /* Background scan. */ 477287727Sadrian#endif 478253789Srpaulo IEEE80211_C_SHPREAMBLE | /* Short preamble supported. */ 479287901Sadrian IEEE80211_C_WME | /* WME/QoS */ 480253789Srpaulo IEEE80211_C_SHSLOT | /* Short slot time supported. */ 481253789Srpaulo IEEE80211_C_WPA; /* WPA/RSN. */ 482253789Srpaulo 483253789Srpaulo /* Check if HT support is present. */ 484287947Sadrian if (sc->sc_ht) { 485287947Sadrian device_printf(sc->sc_dev, "%s: enabling 11n\n", __func__); 486287947Sadrian 487287947Sadrian /* Enable basic HT */ 488287947Sadrian ic->ic_htcaps = IEEE80211_HTC_HT | 489287947Sadrian IEEE80211_HTC_AMPDU | 490287947Sadrian IEEE80211_HTC_AMSDU | 491287947Sadrian IEEE80211_HTCAP_MAXAMSDU_3839 | 492287947Sadrian IEEE80211_HTCAP_SMPS_OFF; 493287947Sadrian 494288049Sadrian /* 495288049Sadrian * XXX HT40 isn't working in this driver yet - there's 496288049Sadrian * something missing. Disable it for now. 497288049Sadrian */ 498288049Sadrian#if 0 499287947Sadrian ic->ic_htcaps |= IEEE80211_HTCAP_CHWIDTH40; 500288049Sadrian#endif 501287947Sadrian 502287947Sadrian /* set number of spatial streams */ 503287947Sadrian ic->ic_txstream = 1; 504287947Sadrian ic->ic_rxstream = 1; 505253789Srpaulo } 506253789Srpaulo 507253789Srpaulo /* Set supported .11b and .11g rates. */ 508253789Srpaulo bands = 0; 509253789Srpaulo setbit(&bands, IEEE80211_MODE_11B); 510253789Srpaulo setbit(&bands, IEEE80211_MODE_11G); 511287947Sadrian if (sc->sc_ht) 512287947Sadrian setbit(&bands, IEEE80211_MODE_11NG); 513253789Srpaulo ieee80211_init_channels(ic, NULL, &bands); 514253789Srpaulo 515287197Sglebius ieee80211_ifattach(ic); 516253789Srpaulo ic->ic_raw_xmit = rsu_raw_xmit; 517253789Srpaulo ic->ic_scan_start = rsu_scan_start; 518253789Srpaulo ic->ic_scan_end = rsu_scan_end; 519253789Srpaulo ic->ic_set_channel = rsu_set_channel; 520253789Srpaulo ic->ic_vap_create = rsu_vap_create; 521253789Srpaulo ic->ic_vap_delete = rsu_vap_delete; 522253789Srpaulo ic->ic_update_mcast = rsu_update_mcast; 523287197Sglebius ic->ic_parent = rsu_parent; 524287197Sglebius ic->ic_transmit = rsu_transmit; 525287763Sadrian ic->ic_send_mgmt = rsu_send_mgmt; 526287895Sadrian ic->ic_update_chw = rsu_update_chw; 527287895Sadrian ic->ic_ampdu_enable = rsu_ampdu_enable; 528287895Sadrian ic->ic_wme.wme_update = rsu_wme_update; 529253789Srpaulo 530253789Srpaulo ieee80211_radiotap_attach(ic, &sc->sc_txtap.wt_ihdr, 531253789Srpaulo sizeof(sc->sc_txtap), RSU_TX_RADIOTAP_PRESENT, 532253789Srpaulo &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 533253789Srpaulo RSU_RX_RADIOTAP_PRESENT); 534253789Srpaulo 535253789Srpaulo if (bootverbose) 536253789Srpaulo ieee80211_announce(ic); 537253789Srpaulo 538253789Srpaulo return (0); 539253789Srpaulo 540253831Srpaulofail_rom: 541253831Srpaulo usbd_transfer_unsetup(sc->sc_xfer, RSU_N_TRANSFER); 542253831Srpaulofail_usb: 543253831Srpaulo mtx_destroy(&sc->sc_mtx); 544253789Srpaulo return (ENXIO); 545253789Srpaulo} 546253789Srpaulo 547253789Srpaulostatic int 548253789Srpaulorsu_detach(device_t self) 549253789Srpaulo{ 550253789Srpaulo struct rsu_softc *sc = device_get_softc(self); 551287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 552253789Srpaulo 553287197Sglebius RSU_LOCK(sc); 554287197Sglebius rsu_stop(sc); 555287197Sglebius RSU_UNLOCK(sc); 556253789Srpaulo usbd_transfer_unsetup(sc->sc_xfer, RSU_N_TRANSFER); 557288051Sadrian 558288051Sadrian /* Frames are freed; detach from net80211 */ 559253789Srpaulo ieee80211_ifdetach(ic); 560253789Srpaulo 561253789Srpaulo taskqueue_drain_timeout(taskqueue_thread, &sc->calib_task); 562288052Sadrian taskqueue_drain(taskqueue_thread, &sc->tx_task); 563253789Srpaulo 564253789Srpaulo /* Free Tx/Rx buffers. */ 565253789Srpaulo rsu_free_tx_list(sc); 566253789Srpaulo rsu_free_rx_list(sc); 567253789Srpaulo 568253789Srpaulo mtx_destroy(&sc->sc_mtx); 569253789Srpaulo 570253789Srpaulo return (0); 571253789Srpaulo} 572253789Srpaulo 573253789Srpaulostatic usb_error_t 574253789Srpaulorsu_do_request(struct rsu_softc *sc, struct usb_device_request *req, 575253789Srpaulo void *data) 576253789Srpaulo{ 577253789Srpaulo usb_error_t err; 578253789Srpaulo int ntries = 10; 579253789Srpaulo 580253789Srpaulo RSU_ASSERT_LOCKED(sc); 581253789Srpaulo 582253789Srpaulo while (ntries--) { 583253789Srpaulo err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx, 584253789Srpaulo req, data, 0, NULL, 250 /* ms */); 585266466Shselasky if (err == 0 || err == USB_ERR_NOT_CONFIGURED) 586253789Srpaulo break; 587253789Srpaulo DPRINTFN(1, "Control request failed, %s (retrying)\n", 588253789Srpaulo usbd_errstr(err)); 589287892Sadrian rsu_ms_delay(sc, 10); 590253789Srpaulo } 591253789Srpaulo 592253789Srpaulo return (err); 593253789Srpaulo} 594253789Srpaulo 595253789Srpaulostatic struct ieee80211vap * 596253789Srpaulorsu_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 597253789Srpaulo enum ieee80211_opmode opmode, int flags, 598253789Srpaulo const uint8_t bssid[IEEE80211_ADDR_LEN], 599253789Srpaulo const uint8_t mac[IEEE80211_ADDR_LEN]) 600253789Srpaulo{ 601253789Srpaulo struct rsu_vap *uvp; 602253789Srpaulo struct ieee80211vap *vap; 603253789Srpaulo 604253789Srpaulo if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 605253789Srpaulo return (NULL); 606253789Srpaulo 607287197Sglebius uvp = malloc(sizeof(struct rsu_vap), M_80211_VAP, M_WAITOK | M_ZERO); 608253789Srpaulo vap = &uvp->vap; 609253789Srpaulo 610257743Shselasky if (ieee80211_vap_setup(ic, vap, name, unit, opmode, 611287197Sglebius flags, bssid) != 0) { 612257743Shselasky /* out of memory */ 613257743Shselasky free(uvp, M_80211_VAP); 614257743Shselasky return (NULL); 615257743Shselasky } 616257743Shselasky 617253789Srpaulo /* override state transition machine */ 618253789Srpaulo uvp->newstate = vap->iv_newstate; 619253789Srpaulo vap->iv_newstate = rsu_newstate; 620253789Srpaulo 621287950Sadrian /* Limits from the r92su driver */ 622287950Sadrian vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_16; 623287950Sadrian vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K; 624287950Sadrian 625253789Srpaulo /* complete setup */ 626253789Srpaulo ieee80211_vap_attach(vap, ieee80211_media_change, 627287197Sglebius ieee80211_media_status, mac); 628253789Srpaulo ic->ic_opmode = opmode; 629253789Srpaulo 630253789Srpaulo return (vap); 631253789Srpaulo} 632253789Srpaulo 633253789Srpaulostatic void 634253789Srpaulorsu_vap_delete(struct ieee80211vap *vap) 635253789Srpaulo{ 636253789Srpaulo struct rsu_vap *uvp = RSU_VAP(vap); 637253789Srpaulo 638253789Srpaulo ieee80211_vap_detach(vap); 639253789Srpaulo free(uvp, M_80211_VAP); 640253789Srpaulo} 641253789Srpaulo 642253789Srpaulostatic void 643253789Srpaulorsu_scan_start(struct ieee80211com *ic) 644253789Srpaulo{ 645287197Sglebius struct rsu_softc *sc = ic->ic_softc; 646253789Srpaulo int error; 647253789Srpaulo 648253789Srpaulo /* Scanning is done by the firmware. */ 649253789Srpaulo RSU_LOCK(sc); 650288089Sadrian /* XXX TODO: force awake if in in network-sleep? */ 651253789Srpaulo error = rsu_site_survey(sc, TAILQ_FIRST(&ic->ic_vaps)); 652253789Srpaulo RSU_UNLOCK(sc); 653253789Srpaulo if (error != 0) 654253789Srpaulo device_printf(sc->sc_dev, 655253789Srpaulo "could not send site survey command\n"); 656253789Srpaulo} 657253789Srpaulo 658253789Srpaulostatic void 659253789Srpaulorsu_scan_end(struct ieee80211com *ic) 660253789Srpaulo{ 661253789Srpaulo /* Nothing to do here. */ 662253789Srpaulo} 663253789Srpaulo 664253789Srpaulostatic void 665253789Srpaulorsu_set_channel(struct ieee80211com *ic __unused) 666253789Srpaulo{ 667253789Srpaulo /* We are unable to switch channels, yet. */ 668253789Srpaulo} 669253789Srpaulo 670253789Srpaulostatic void 671283540Sglebiusrsu_update_mcast(struct ieee80211com *ic) 672253789Srpaulo{ 673253789Srpaulo /* XXX do nothing? */ 674253789Srpaulo} 675253789Srpaulo 676253789Srpaulostatic int 677253789Srpaulorsu_alloc_list(struct rsu_softc *sc, struct rsu_data data[], 678253789Srpaulo int ndata, int maxsz) 679253789Srpaulo{ 680253789Srpaulo int i, error; 681253789Srpaulo 682253789Srpaulo for (i = 0; i < ndata; i++) { 683253789Srpaulo struct rsu_data *dp = &data[i]; 684253789Srpaulo dp->sc = sc; 685253789Srpaulo dp->m = NULL; 686253789Srpaulo dp->buf = malloc(maxsz, M_USBDEV, M_NOWAIT); 687253789Srpaulo if (dp->buf == NULL) { 688253789Srpaulo device_printf(sc->sc_dev, 689253789Srpaulo "could not allocate buffer\n"); 690253789Srpaulo error = ENOMEM; 691253789Srpaulo goto fail; 692253789Srpaulo } 693253789Srpaulo dp->ni = NULL; 694253789Srpaulo } 695253789Srpaulo 696253789Srpaulo return (0); 697253789Srpaulofail: 698253789Srpaulo rsu_free_list(sc, data, ndata); 699253789Srpaulo return (error); 700253789Srpaulo} 701253789Srpaulo 702253789Srpaulostatic int 703253789Srpaulorsu_alloc_rx_list(struct rsu_softc *sc) 704253789Srpaulo{ 705253789Srpaulo int error, i; 706253789Srpaulo 707253789Srpaulo error = rsu_alloc_list(sc, sc->sc_rx, RSU_RX_LIST_COUNT, 708253789Srpaulo RSU_RXBUFSZ); 709253789Srpaulo if (error != 0) 710253789Srpaulo return (error); 711253789Srpaulo 712253789Srpaulo STAILQ_INIT(&sc->sc_rx_active); 713253789Srpaulo STAILQ_INIT(&sc->sc_rx_inactive); 714253789Srpaulo 715253789Srpaulo for (i = 0; i < RSU_RX_LIST_COUNT; i++) 716253789Srpaulo STAILQ_INSERT_HEAD(&sc->sc_rx_inactive, &sc->sc_rx[i], next); 717253789Srpaulo 718253789Srpaulo return (0); 719253789Srpaulo} 720253789Srpaulo 721253789Srpaulostatic int 722253789Srpaulorsu_alloc_tx_list(struct rsu_softc *sc) 723253789Srpaulo{ 724253789Srpaulo int error, i; 725253789Srpaulo 726253789Srpaulo error = rsu_alloc_list(sc, sc->sc_tx, RSU_TX_LIST_COUNT, 727253789Srpaulo RSU_TXBUFSZ); 728253789Srpaulo if (error != 0) 729253789Srpaulo return (error); 730253789Srpaulo 731253789Srpaulo STAILQ_INIT(&sc->sc_tx_inactive); 732253789Srpaulo 733267041Shselasky for (i = 0; i != RSU_N_TRANSFER; i++) { 734266505Shselasky STAILQ_INIT(&sc->sc_tx_active[i]); 735266505Shselasky STAILQ_INIT(&sc->sc_tx_pending[i]); 736266505Shselasky } 737266505Shselasky 738253789Srpaulo for (i = 0; i < RSU_TX_LIST_COUNT; i++) { 739253789Srpaulo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, &sc->sc_tx[i], next); 740253789Srpaulo } 741253789Srpaulo 742253789Srpaulo return (0); 743253789Srpaulo} 744253789Srpaulo 745253789Srpaulostatic void 746253789Srpaulorsu_free_tx_list(struct rsu_softc *sc) 747253789Srpaulo{ 748266535Shselasky int i; 749266535Shselasky 750266535Shselasky /* prevent further allocations from TX list(s) */ 751266535Shselasky STAILQ_INIT(&sc->sc_tx_inactive); 752266535Shselasky 753267041Shselasky for (i = 0; i != RSU_N_TRANSFER; i++) { 754266535Shselasky STAILQ_INIT(&sc->sc_tx_active[i]); 755266535Shselasky STAILQ_INIT(&sc->sc_tx_pending[i]); 756266535Shselasky } 757266535Shselasky 758253789Srpaulo rsu_free_list(sc, sc->sc_tx, RSU_TX_LIST_COUNT); 759253789Srpaulo} 760253789Srpaulo 761253789Srpaulostatic void 762253789Srpaulorsu_free_rx_list(struct rsu_softc *sc) 763253789Srpaulo{ 764266535Shselasky /* prevent further allocations from RX list(s) */ 765266535Shselasky STAILQ_INIT(&sc->sc_rx_inactive); 766266535Shselasky STAILQ_INIT(&sc->sc_rx_active); 767266535Shselasky 768253789Srpaulo rsu_free_list(sc, sc->sc_rx, RSU_RX_LIST_COUNT); 769253789Srpaulo} 770253789Srpaulo 771253789Srpaulostatic void 772253789Srpaulorsu_free_list(struct rsu_softc *sc, struct rsu_data data[], int ndata) 773253789Srpaulo{ 774253789Srpaulo int i; 775253789Srpaulo 776253789Srpaulo for (i = 0; i < ndata; i++) { 777253789Srpaulo struct rsu_data *dp = &data[i]; 778253789Srpaulo 779253789Srpaulo if (dp->buf != NULL) { 780253789Srpaulo free(dp->buf, M_USBDEV); 781253789Srpaulo dp->buf = NULL; 782253789Srpaulo } 783253789Srpaulo if (dp->ni != NULL) { 784253789Srpaulo ieee80211_free_node(dp->ni); 785253789Srpaulo dp->ni = NULL; 786253789Srpaulo } 787253789Srpaulo } 788253789Srpaulo} 789253789Srpaulo 790253789Srpaulostatic struct rsu_data * 791253789Srpaulo_rsu_getbuf(struct rsu_softc *sc) 792253789Srpaulo{ 793253789Srpaulo struct rsu_data *bf; 794253789Srpaulo 795253789Srpaulo bf = STAILQ_FIRST(&sc->sc_tx_inactive); 796253789Srpaulo if (bf != NULL) 797253789Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_tx_inactive, next); 798253789Srpaulo else 799253789Srpaulo bf = NULL; 800287954Sadrian return (bf); 801253789Srpaulo} 802253789Srpaulo 803253789Srpaulostatic struct rsu_data * 804253789Srpaulorsu_getbuf(struct rsu_softc *sc) 805253789Srpaulo{ 806253789Srpaulo struct rsu_data *bf; 807253789Srpaulo 808253789Srpaulo RSU_ASSERT_LOCKED(sc); 809253789Srpaulo 810253789Srpaulo bf = _rsu_getbuf(sc); 811288051Sadrian if (bf == NULL) { 812288051Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TX, "%s: no buffers\n", __func__); 813288051Sadrian } 814253789Srpaulo return (bf); 815253789Srpaulo} 816253789Srpaulo 817287953Sadrianstatic void 818287953Sadrianrsu_freebuf(struct rsu_softc *sc, struct rsu_data *bf) 819287953Sadrian{ 820287953Sadrian 821287953Sadrian RSU_ASSERT_LOCKED(sc); 822287953Sadrian STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, bf, next); 823287953Sadrian} 824287953Sadrian 825253789Srpaulostatic int 826253789Srpaulorsu_write_region_1(struct rsu_softc *sc, uint16_t addr, uint8_t *buf, 827253789Srpaulo int len) 828253789Srpaulo{ 829253789Srpaulo usb_device_request_t req; 830253789Srpaulo 831253789Srpaulo req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 832253789Srpaulo req.bRequest = R92S_REQ_REGS; 833253789Srpaulo USETW(req.wValue, addr); 834253789Srpaulo USETW(req.wIndex, 0); 835253789Srpaulo USETW(req.wLength, len); 836253789Srpaulo 837253789Srpaulo return (rsu_do_request(sc, &req, buf)); 838253789Srpaulo} 839253789Srpaulo 840253789Srpaulostatic void 841253789Srpaulorsu_write_1(struct rsu_softc *sc, uint16_t addr, uint8_t val) 842253789Srpaulo{ 843253789Srpaulo rsu_write_region_1(sc, addr, &val, 1); 844253789Srpaulo} 845253789Srpaulo 846253789Srpaulostatic void 847253789Srpaulorsu_write_2(struct rsu_softc *sc, uint16_t addr, uint16_t val) 848253789Srpaulo{ 849253789Srpaulo val = htole16(val); 850253789Srpaulo rsu_write_region_1(sc, addr, (uint8_t *)&val, 2); 851253789Srpaulo} 852253789Srpaulo 853253789Srpaulostatic void 854253789Srpaulorsu_write_4(struct rsu_softc *sc, uint16_t addr, uint32_t val) 855253789Srpaulo{ 856253789Srpaulo val = htole32(val); 857253789Srpaulo rsu_write_region_1(sc, addr, (uint8_t *)&val, 4); 858253789Srpaulo} 859253789Srpaulo 860253789Srpaulostatic int 861253789Srpaulorsu_read_region_1(struct rsu_softc *sc, uint16_t addr, uint8_t *buf, 862253789Srpaulo int len) 863253789Srpaulo{ 864253789Srpaulo usb_device_request_t req; 865253789Srpaulo 866253789Srpaulo req.bmRequestType = UT_READ_VENDOR_DEVICE; 867253789Srpaulo req.bRequest = R92S_REQ_REGS; 868253789Srpaulo USETW(req.wValue, addr); 869253789Srpaulo USETW(req.wIndex, 0); 870253789Srpaulo USETW(req.wLength, len); 871253789Srpaulo 872253789Srpaulo return (rsu_do_request(sc, &req, buf)); 873253789Srpaulo} 874253789Srpaulo 875253789Srpaulostatic uint8_t 876253789Srpaulorsu_read_1(struct rsu_softc *sc, uint16_t addr) 877253789Srpaulo{ 878253789Srpaulo uint8_t val; 879253789Srpaulo 880253789Srpaulo if (rsu_read_region_1(sc, addr, &val, 1) != 0) 881253789Srpaulo return (0xff); 882253789Srpaulo return (val); 883253789Srpaulo} 884253789Srpaulo 885253789Srpaulostatic uint16_t 886253789Srpaulorsu_read_2(struct rsu_softc *sc, uint16_t addr) 887253789Srpaulo{ 888253789Srpaulo uint16_t val; 889253789Srpaulo 890253789Srpaulo if (rsu_read_region_1(sc, addr, (uint8_t *)&val, 2) != 0) 891253789Srpaulo return (0xffff); 892253789Srpaulo return (le16toh(val)); 893253789Srpaulo} 894253789Srpaulo 895253789Srpaulostatic uint32_t 896253789Srpaulorsu_read_4(struct rsu_softc *sc, uint16_t addr) 897253789Srpaulo{ 898253789Srpaulo uint32_t val; 899253789Srpaulo 900253789Srpaulo if (rsu_read_region_1(sc, addr, (uint8_t *)&val, 4) != 0) 901253789Srpaulo return (0xffffffff); 902253789Srpaulo return (le32toh(val)); 903253789Srpaulo} 904253789Srpaulo 905253789Srpaulostatic int 906253789Srpaulorsu_fw_iocmd(struct rsu_softc *sc, uint32_t iocmd) 907253789Srpaulo{ 908253789Srpaulo int ntries; 909253789Srpaulo 910253789Srpaulo rsu_write_4(sc, R92S_IOCMD_CTRL, iocmd); 911287892Sadrian rsu_ms_delay(sc, 1); 912253789Srpaulo for (ntries = 0; ntries < 50; ntries++) { 913253789Srpaulo if (rsu_read_4(sc, R92S_IOCMD_CTRL) == 0) 914253789Srpaulo return (0); 915287892Sadrian rsu_ms_delay(sc, 1); 916253789Srpaulo } 917253789Srpaulo return (ETIMEDOUT); 918253789Srpaulo} 919253789Srpaulo 920253789Srpaulostatic uint8_t 921253789Srpaulorsu_efuse_read_1(struct rsu_softc *sc, uint16_t addr) 922253789Srpaulo{ 923253789Srpaulo uint32_t reg; 924253789Srpaulo int ntries; 925253789Srpaulo 926253789Srpaulo reg = rsu_read_4(sc, R92S_EFUSE_CTRL); 927253789Srpaulo reg = RW(reg, R92S_EFUSE_CTRL_ADDR, addr); 928253789Srpaulo reg &= ~R92S_EFUSE_CTRL_VALID; 929253789Srpaulo rsu_write_4(sc, R92S_EFUSE_CTRL, reg); 930253789Srpaulo /* Wait for read operation to complete. */ 931253789Srpaulo for (ntries = 0; ntries < 100; ntries++) { 932253789Srpaulo reg = rsu_read_4(sc, R92S_EFUSE_CTRL); 933253789Srpaulo if (reg & R92S_EFUSE_CTRL_VALID) 934253789Srpaulo return (MS(reg, R92S_EFUSE_CTRL_DATA)); 935287892Sadrian rsu_ms_delay(sc, 1); 936253789Srpaulo } 937253789Srpaulo device_printf(sc->sc_dev, 938253789Srpaulo "could not read efuse byte at address 0x%x\n", addr); 939253789Srpaulo return (0xff); 940253789Srpaulo} 941253789Srpaulo 942253789Srpaulostatic int 943253789Srpaulorsu_read_rom(struct rsu_softc *sc) 944253789Srpaulo{ 945253789Srpaulo uint8_t *rom = sc->rom; 946253789Srpaulo uint16_t addr = 0; 947253789Srpaulo uint32_t reg; 948253789Srpaulo uint8_t off, msk; 949253789Srpaulo int i; 950253789Srpaulo 951253789Srpaulo /* Make sure that ROM type is eFuse and that autoload succeeded. */ 952253789Srpaulo reg = rsu_read_1(sc, R92S_EE_9346CR); 953253789Srpaulo if ((reg & (R92S_9356SEL | R92S_EEPROM_EN)) != R92S_EEPROM_EN) 954253789Srpaulo return (EIO); 955253789Srpaulo 956253789Srpaulo /* Turn on 2.5V to prevent eFuse leakage. */ 957253789Srpaulo reg = rsu_read_1(sc, R92S_EFUSE_TEST + 3); 958253789Srpaulo rsu_write_1(sc, R92S_EFUSE_TEST + 3, reg | 0x80); 959287892Sadrian rsu_ms_delay(sc, 1); 960253789Srpaulo rsu_write_1(sc, R92S_EFUSE_TEST + 3, reg & ~0x80); 961253789Srpaulo 962253789Srpaulo /* Read full ROM image. */ 963253789Srpaulo memset(&sc->rom, 0xff, sizeof(sc->rom)); 964253789Srpaulo while (addr < 512) { 965253789Srpaulo reg = rsu_efuse_read_1(sc, addr); 966253789Srpaulo if (reg == 0xff) 967253789Srpaulo break; 968253789Srpaulo addr++; 969253789Srpaulo off = reg >> 4; 970253789Srpaulo msk = reg & 0xf; 971253789Srpaulo for (i = 0; i < 4; i++) { 972253789Srpaulo if (msk & (1 << i)) 973253789Srpaulo continue; 974253789Srpaulo rom[off * 8 + i * 2 + 0] = 975253789Srpaulo rsu_efuse_read_1(sc, addr); 976253789Srpaulo addr++; 977253789Srpaulo rom[off * 8 + i * 2 + 1] = 978253789Srpaulo rsu_efuse_read_1(sc, addr); 979253789Srpaulo addr++; 980253789Srpaulo } 981253789Srpaulo } 982253789Srpaulo#ifdef USB_DEBUG 983253789Srpaulo if (rsu_debug >= 5) { 984253789Srpaulo /* Dump ROM content. */ 985253789Srpaulo printf("\n"); 986253789Srpaulo for (i = 0; i < sizeof(sc->rom); i++) 987253789Srpaulo printf("%02x:", rom[i]); 988253789Srpaulo printf("\n"); 989253789Srpaulo } 990253789Srpaulo#endif 991253789Srpaulo return (0); 992253789Srpaulo} 993253789Srpaulo 994253789Srpaulostatic int 995253789Srpaulorsu_fw_cmd(struct rsu_softc *sc, uint8_t code, void *buf, int len) 996253789Srpaulo{ 997287896Sadrian const uint8_t which = RSU_H2C_ENDPOINT; 998253789Srpaulo struct rsu_data *data; 999253789Srpaulo struct r92s_tx_desc *txd; 1000253789Srpaulo struct r92s_fw_cmd_hdr *cmd; 1001266505Shselasky int cmdsz; 1002266505Shselasky int xferlen; 1003253789Srpaulo 1004287954Sadrian RSU_ASSERT_LOCKED(sc); 1005287954Sadrian 1006253789Srpaulo data = rsu_getbuf(sc); 1007253789Srpaulo if (data == NULL) 1008253789Srpaulo return (ENOMEM); 1009253789Srpaulo 1010288089Sadrian /* Blank the entire payload, just to be safe */ 1011288089Sadrian memset(data->buf, '\0', RSU_TXBUFSZ); 1012288089Sadrian 1013253789Srpaulo /* Round-up command length to a multiple of 8 bytes. */ 1014288089Sadrian /* XXX TODO: is this required? */ 1015253789Srpaulo cmdsz = (len + 7) & ~7; 1016253789Srpaulo 1017253789Srpaulo xferlen = sizeof(*txd) + sizeof(*cmd) + cmdsz; 1018253789Srpaulo KASSERT(xferlen <= RSU_TXBUFSZ, ("%s: invalid length", __func__)); 1019253789Srpaulo memset(data->buf, 0, xferlen); 1020253789Srpaulo 1021253789Srpaulo /* Setup Tx descriptor. */ 1022253789Srpaulo txd = (struct r92s_tx_desc *)data->buf; 1023253789Srpaulo txd->txdw0 = htole32( 1024253789Srpaulo SM(R92S_TXDW0_OFFSET, sizeof(*txd)) | 1025253789Srpaulo SM(R92S_TXDW0_PKTLEN, sizeof(*cmd) + cmdsz) | 1026253789Srpaulo R92S_TXDW0_OWN | R92S_TXDW0_FSG | R92S_TXDW0_LSG); 1027253789Srpaulo txd->txdw1 = htole32(SM(R92S_TXDW1_QSEL, R92S_TXDW1_QSEL_H2C)); 1028253789Srpaulo 1029253789Srpaulo /* Setup command header. */ 1030253789Srpaulo cmd = (struct r92s_fw_cmd_hdr *)&txd[1]; 1031253789Srpaulo cmd->len = htole16(cmdsz); 1032253789Srpaulo cmd->code = code; 1033253789Srpaulo cmd->seq = sc->cmd_seq; 1034253789Srpaulo sc->cmd_seq = (sc->cmd_seq + 1) & 0x7f; 1035253789Srpaulo 1036253789Srpaulo /* Copy command payload. */ 1037253789Srpaulo memcpy(&cmd[1], buf, len); 1038253789Srpaulo 1039287740Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TX | RSU_DEBUG_FWCMD, 1040287727Sadrian "%s: Tx cmd code=0x%x len=0x%x\n", 1041287727Sadrian __func__, code, cmdsz); 1042253789Srpaulo data->buflen = xferlen; 1043266505Shselasky STAILQ_INSERT_TAIL(&sc->sc_tx_pending[which], data, next); 1044267041Shselasky usbd_transfer_start(sc->sc_xfer[which]); 1045253789Srpaulo 1046253789Srpaulo return (0); 1047253789Srpaulo} 1048253789Srpaulo 1049253789Srpaulo/* ARGSUSED */ 1050253789Srpaulostatic void 1051253789Srpaulorsu_calib_task(void *arg, int pending __unused) 1052253789Srpaulo{ 1053253789Srpaulo struct rsu_softc *sc = arg; 1054253789Srpaulo uint32_t reg; 1055253789Srpaulo 1056287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_CALIB, "%s: running calibration task\n", 1057287727Sadrian __func__); 1058267041Shselasky 1059253789Srpaulo RSU_LOCK(sc); 1060253789Srpaulo#ifdef notyet 1061253789Srpaulo /* Read WPS PBC status. */ 1062253789Srpaulo rsu_write_1(sc, R92S_MAC_PINMUX_CTRL, 1063253789Srpaulo R92S_GPIOMUX_EN | SM(R92S_GPIOSEL_GPIO, R92S_GPIOSEL_GPIO_JTAG)); 1064253789Srpaulo rsu_write_1(sc, R92S_GPIO_IO_SEL, 1065253789Srpaulo rsu_read_1(sc, R92S_GPIO_IO_SEL) & ~R92S_GPIO_WPS); 1066253789Srpaulo reg = rsu_read_1(sc, R92S_GPIO_CTRL); 1067253789Srpaulo if (reg != 0xff && (reg & R92S_GPIO_WPS)) 1068253789Srpaulo DPRINTF(("WPS PBC is pushed\n")); 1069253789Srpaulo#endif 1070253789Srpaulo /* Read current signal level. */ 1071253789Srpaulo if (rsu_fw_iocmd(sc, 0xf4000001) == 0) { 1072253789Srpaulo reg = rsu_read_4(sc, R92S_IOCMD_DATA); 1073287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_CALIB, "%s: RSSI=%d%%\n", 1074287727Sadrian __func__, reg >> 4); 1075253789Srpaulo } 1076267041Shselasky if (sc->sc_calibrating) 1077267041Shselasky taskqueue_enqueue_timeout(taskqueue_thread, &sc->calib_task, hz); 1078267041Shselasky RSU_UNLOCK(sc); 1079253789Srpaulo} 1080253789Srpaulo 1081288052Sadrianstatic void 1082288052Sadrianrsu_tx_task(void *arg, int pending __unused) 1083288052Sadrian{ 1084288052Sadrian struct rsu_softc *sc = arg; 1085288052Sadrian 1086288052Sadrian RSU_LOCK(sc); 1087288052Sadrian _rsu_start(sc); 1088288052Sadrian RSU_UNLOCK(sc); 1089288052Sadrian} 1090288052Sadrian 1091288089Sadrian#define RSU_PWR_ACTIVE 0x1 1092288089Sadrian#define RSU_PWR_OFF 0x2 1093288089Sadrian#define RSU_PWR_SLEEP 0x3 1094288089Sadrian 1095288089Sadrian/* 1096288089Sadrian * Set the current power state. 1097288089Sadrian * 1098288089Sadrian * The rtlwifi code doesn't do this so aggressively; it 1099288089Sadrian * waits for an idle period after association with 1100288089Sadrian * no traffic before doing this. 1101288089Sadrian * 1102288089Sadrian * For now - it's on in all states except RUN, and 1103288089Sadrian * in RUN it'll transition to allow sleep. 1104288089Sadrian */ 1105288089Sadrian 1106288089Sadrianstruct r92s_pwr_cmd { 1107288089Sadrian uint8_t mode; 1108288089Sadrian uint8_t smart_ps; 1109288089Sadrian uint8_t bcn_pass_time; 1110288089Sadrian}; 1111288089Sadrian 1112253789Srpaulostatic int 1113288089Sadrianrsu_set_fw_power_state(struct rsu_softc *sc, int state) 1114288089Sadrian{ 1115288089Sadrian struct r92s_set_pwr_mode cmd; 1116288089Sadrian //struct r92s_pwr_cmd cmd; 1117288089Sadrian int error; 1118288089Sadrian 1119288089Sadrian memset(&cmd, 0, sizeof(cmd)); 1120288089Sadrian 1121288089Sadrian /* XXX TODO: only change state if required */ 1122288089Sadrian RSU_ASSERT_LOCKED(sc); 1123288089Sadrian 1124288089Sadrian switch (state) { 1125288089Sadrian case RSU_PWR_ACTIVE: 1126288089Sadrian /* Force the hardware awake */ 1127288089Sadrian rsu_write_1(sc, R92S_USB_HRPWM, 1128288089Sadrian R92S_USB_HRPWM_PS_ST_ACTIVE | R92S_USB_HRPWM_PS_ALL_ON); 1129288089Sadrian cmd.mode = R92S_PS_MODE_ACTIVE; 1130288089Sadrian break; 1131288089Sadrian case RSU_PWR_SLEEP: 1132288089Sadrian cmd.mode = R92S_PS_MODE_DTIM; /* XXX configurable? */ 1133288089Sadrian cmd.smart_ps = 1; /* XXX 2 if doing p2p */ 1134288089Sadrian cmd.bcn_pass_time = 5; /* in 100mS usb.c, linux/rtlwifi */ 1135288089Sadrian break; 1136288089Sadrian default: 1137288089Sadrian device_printf(sc->sc_dev, "%s: unknown ps mode (%d)\n", 1138288089Sadrian __func__, 1139288089Sadrian state); 1140288089Sadrian return (ENXIO); 1141288089Sadrian } 1142288089Sadrian 1143288089Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RESET, 1144288089Sadrian "%s: setting ps mode to %d (mode %d)\n", 1145288089Sadrian __func__, state, cmd.mode); 1146288089Sadrian error = rsu_fw_cmd(sc, R92S_CMD_SET_PWR_MODE, &cmd, sizeof(cmd)); 1147288089Sadrian 1148288089Sadrian return (error); 1149288089Sadrian} 1150288089Sadrian 1151288089Sadrianstatic int 1152253789Srpaulorsu_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1153253789Srpaulo{ 1154253789Srpaulo struct rsu_vap *uvp = RSU_VAP(vap); 1155253789Srpaulo struct ieee80211com *ic = vap->iv_ic; 1156286950Sadrian struct rsu_softc *sc = ic->ic_softc; 1157253789Srpaulo struct ieee80211_node *ni; 1158253789Srpaulo struct ieee80211_rateset *rs; 1159253789Srpaulo enum ieee80211_state ostate; 1160253789Srpaulo int error, startcal = 0; 1161253789Srpaulo 1162253789Srpaulo ostate = vap->iv_state; 1163287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_STATE, "%s: %s -> %s\n", 1164287727Sadrian __func__, 1165287727Sadrian ieee80211_state_name[ostate], 1166253789Srpaulo ieee80211_state_name[nstate]); 1167253789Srpaulo 1168253789Srpaulo IEEE80211_UNLOCK(ic); 1169253789Srpaulo if (ostate == IEEE80211_S_RUN) { 1170253789Srpaulo RSU_LOCK(sc); 1171253789Srpaulo /* Stop calibration. */ 1172253789Srpaulo sc->sc_calibrating = 0; 1173253789Srpaulo RSU_UNLOCK(sc); 1174253789Srpaulo taskqueue_drain_timeout(taskqueue_thread, &sc->calib_task); 1175288052Sadrian taskqueue_drain(taskqueue_thread, &sc->tx_task); 1176253789Srpaulo /* Disassociate from our current BSS. */ 1177253789Srpaulo RSU_LOCK(sc); 1178253789Srpaulo rsu_disconnect(sc); 1179253789Srpaulo } else 1180253789Srpaulo RSU_LOCK(sc); 1181253789Srpaulo switch (nstate) { 1182253789Srpaulo case IEEE80211_S_INIT: 1183288089Sadrian (void) rsu_set_fw_power_state(sc, RSU_PWR_ACTIVE); 1184253789Srpaulo break; 1185253789Srpaulo case IEEE80211_S_AUTH: 1186253789Srpaulo ni = ieee80211_ref_node(vap->iv_bss); 1187288089Sadrian (void) rsu_set_fw_power_state(sc, RSU_PWR_ACTIVE); 1188253789Srpaulo error = rsu_join_bss(sc, ni); 1189253789Srpaulo ieee80211_free_node(ni); 1190253789Srpaulo if (error != 0) { 1191253789Srpaulo device_printf(sc->sc_dev, 1192253789Srpaulo "could not send join command\n"); 1193253789Srpaulo } 1194253789Srpaulo break; 1195253789Srpaulo case IEEE80211_S_RUN: 1196253789Srpaulo ni = ieee80211_ref_node(vap->iv_bss); 1197253789Srpaulo rs = &ni->ni_rates; 1198253789Srpaulo /* Indicate highest supported rate. */ 1199253789Srpaulo ni->ni_txrate = rs->rs_rates[rs->rs_nrates - 1]; 1200288089Sadrian (void) rsu_set_fw_power_state(sc, RSU_PWR_SLEEP); 1201253789Srpaulo ieee80211_free_node(ni); 1202253789Srpaulo startcal = 1; 1203253789Srpaulo break; 1204253789Srpaulo default: 1205253789Srpaulo break; 1206253789Srpaulo } 1207253789Srpaulo sc->sc_calibrating = 1; 1208267041Shselasky /* Start periodic calibration. */ 1209267041Shselasky taskqueue_enqueue_timeout(taskqueue_thread, &sc->calib_task, hz); 1210253789Srpaulo RSU_UNLOCK(sc); 1211253789Srpaulo IEEE80211_LOCK(ic); 1212253789Srpaulo return (uvp->newstate(vap, nstate, arg)); 1213253789Srpaulo} 1214253789Srpaulo 1215253789Srpaulo#ifdef notyet 1216253789Srpaulostatic void 1217253789Srpaulorsu_set_key(struct rsu_softc *sc, const struct ieee80211_key *k) 1218253789Srpaulo{ 1219253789Srpaulo struct r92s_fw_cmd_set_key key; 1220253789Srpaulo 1221253789Srpaulo memset(&key, 0, sizeof(key)); 1222253789Srpaulo /* Map net80211 cipher to HW crypto algorithm. */ 1223253789Srpaulo switch (k->wk_cipher->ic_cipher) { 1224253789Srpaulo case IEEE80211_CIPHER_WEP: 1225253789Srpaulo if (k->wk_keylen < 8) 1226253789Srpaulo key.algo = R92S_KEY_ALGO_WEP40; 1227253789Srpaulo else 1228253789Srpaulo key.algo = R92S_KEY_ALGO_WEP104; 1229253789Srpaulo break; 1230253789Srpaulo case IEEE80211_CIPHER_TKIP: 1231253789Srpaulo key.algo = R92S_KEY_ALGO_TKIP; 1232253789Srpaulo break; 1233253789Srpaulo case IEEE80211_CIPHER_AES_CCM: 1234253789Srpaulo key.algo = R92S_KEY_ALGO_AES; 1235253789Srpaulo break; 1236253789Srpaulo default: 1237253789Srpaulo return; 1238253789Srpaulo } 1239253789Srpaulo key.id = k->wk_keyix; 1240253789Srpaulo key.grpkey = (k->wk_flags & IEEE80211_KEY_GROUP) != 0; 1241253789Srpaulo memcpy(key.key, k->wk_key, MIN(k->wk_keylen, sizeof(key.key))); 1242253789Srpaulo (void)rsu_fw_cmd(sc, R92S_CMD_SET_KEY, &key, sizeof(key)); 1243253789Srpaulo} 1244253789Srpaulo 1245253789Srpaulostatic void 1246253789Srpaulorsu_delete_key(struct rsu_softc *sc, const struct ieee80211_key *k) 1247253789Srpaulo{ 1248253789Srpaulo struct r92s_fw_cmd_set_key key; 1249253789Srpaulo 1250253789Srpaulo memset(&key, 0, sizeof(key)); 1251253789Srpaulo key.id = k->wk_keyix; 1252253789Srpaulo (void)rsu_fw_cmd(sc, R92S_CMD_SET_KEY, &key, sizeof(key)); 1253253789Srpaulo} 1254253789Srpaulo#endif 1255253789Srpaulo 1256253789Srpaulostatic int 1257253789Srpaulorsu_site_survey(struct rsu_softc *sc, struct ieee80211vap *vap) 1258253789Srpaulo{ 1259253789Srpaulo struct r92s_fw_cmd_sitesurvey cmd; 1260287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1261287954Sadrian int r; 1262253789Srpaulo 1263287954Sadrian RSU_ASSERT_LOCKED(sc); 1264287954Sadrian 1265253789Srpaulo memset(&cmd, 0, sizeof(cmd)); 1266287197Sglebius if ((ic->ic_flags & IEEE80211_F_ASCAN) || sc->sc_scan_pass == 1) 1267253789Srpaulo cmd.active = htole32(1); 1268253789Srpaulo cmd.limit = htole32(48); 1269287197Sglebius if (sc->sc_scan_pass == 1 && vap->iv_des_nssid > 0) { 1270253789Srpaulo /* Do a directed scan for second pass. */ 1271253789Srpaulo cmd.ssidlen = htole32(vap->iv_des_ssid[0].len); 1272253789Srpaulo memcpy(cmd.ssid, vap->iv_des_ssid[0].ssid, 1273253789Srpaulo vap->iv_des_ssid[0].len); 1274253789Srpaulo 1275253789Srpaulo } 1276287197Sglebius DPRINTF("sending site survey command, pass=%d\n", sc->sc_scan_pass); 1277287954Sadrian r = rsu_fw_cmd(sc, R92S_CMD_SITE_SURVEY, &cmd, sizeof(cmd)); 1278287954Sadrian if (r == 0) { 1279287954Sadrian sc->sc_scanning = 1; 1280287954Sadrian } 1281287954Sadrian return (r); 1282253789Srpaulo} 1283253789Srpaulo 1284253789Srpaulostatic int 1285253789Srpaulorsu_join_bss(struct rsu_softc *sc, struct ieee80211_node *ni) 1286253789Srpaulo{ 1287287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1288253789Srpaulo struct ieee80211vap *vap = ni->ni_vap; 1289253789Srpaulo struct ndis_wlan_bssid_ex *bss; 1290253789Srpaulo struct ndis_802_11_fixed_ies *fixed; 1291253789Srpaulo struct r92s_fw_cmd_auth auth; 1292267066Shselasky uint8_t buf[sizeof(*bss) + 128] __aligned(4); 1293267066Shselasky uint8_t *frm; 1294253789Srpaulo uint8_t opmode; 1295253789Srpaulo int error; 1296287954Sadrian int cnt; 1297287954Sadrian char *msg = "rsujoin"; 1298253789Srpaulo 1299287954Sadrian RSU_ASSERT_LOCKED(sc); 1300287954Sadrian 1301287954Sadrian /* 1302287954Sadrian * Until net80211 scanning doesn't automatically finish 1303287954Sadrian * before we tell it to, let's just wait until any pending 1304287954Sadrian * scan is done. 1305287954Sadrian * 1306287954Sadrian * XXX TODO: yes, this releases and re-acquires the lock. 1307287954Sadrian * We should re-verify the state whenever we re-attempt this! 1308287954Sadrian */ 1309287954Sadrian cnt = 0; 1310287954Sadrian while (sc->sc_scanning && cnt < 10) { 1311287954Sadrian device_printf(sc->sc_dev, 1312287954Sadrian "%s: still scanning! (attempt %d)\n", 1313287954Sadrian __func__, cnt); 1314287954Sadrian msleep(msg, &sc->sc_mtx, 0, msg, hz / 2); 1315287954Sadrian cnt++; 1316287954Sadrian } 1317287954Sadrian 1318253789Srpaulo /* Let the FW decide the opmode based on the capinfo field. */ 1319253789Srpaulo opmode = NDIS802_11AUTOUNKNOWN; 1320287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RESET, 1321287727Sadrian "%s: setting operating mode to %d\n", 1322287727Sadrian __func__, opmode); 1323253789Srpaulo error = rsu_fw_cmd(sc, R92S_CMD_SET_OPMODE, &opmode, sizeof(opmode)); 1324253789Srpaulo if (error != 0) 1325253789Srpaulo return (error); 1326253789Srpaulo 1327253789Srpaulo memset(&auth, 0, sizeof(auth)); 1328253789Srpaulo if (vap->iv_flags & IEEE80211_F_WPA) { 1329253789Srpaulo auth.mode = R92S_AUTHMODE_WPA; 1330267066Shselasky auth.dot1x = (ni->ni_authmode == IEEE80211_AUTH_8021X); 1331253789Srpaulo } else 1332253789Srpaulo auth.mode = R92S_AUTHMODE_OPEN; 1333287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RESET, 1334287727Sadrian "%s: setting auth mode to %d\n", 1335287727Sadrian __func__, auth.mode); 1336253789Srpaulo error = rsu_fw_cmd(sc, R92S_CMD_SET_AUTH, &auth, sizeof(auth)); 1337253789Srpaulo if (error != 0) 1338253789Srpaulo return (error); 1339253789Srpaulo 1340253789Srpaulo memset(buf, 0, sizeof(buf)); 1341253789Srpaulo bss = (struct ndis_wlan_bssid_ex *)buf; 1342253789Srpaulo IEEE80211_ADDR_COPY(bss->macaddr, ni->ni_bssid); 1343253789Srpaulo bss->ssid.ssidlen = htole32(ni->ni_esslen); 1344253789Srpaulo memcpy(bss->ssid.ssid, ni->ni_essid, ni->ni_esslen); 1345253789Srpaulo if (vap->iv_flags & (IEEE80211_F_PRIVACY | IEEE80211_F_WPA)) 1346253789Srpaulo bss->privacy = htole32(1); 1347253789Srpaulo bss->rssi = htole32(ni->ni_avgrssi); 1348253789Srpaulo if (ic->ic_curmode == IEEE80211_MODE_11B) 1349253789Srpaulo bss->networktype = htole32(NDIS802_11DS); 1350253789Srpaulo else 1351253789Srpaulo bss->networktype = htole32(NDIS802_11OFDM24); 1352253789Srpaulo bss->config.len = htole32(sizeof(bss->config)); 1353253789Srpaulo bss->config.bintval = htole32(ni->ni_intval); 1354253789Srpaulo bss->config.dsconfig = htole32(ieee80211_chan2ieee(ic, ni->ni_chan)); 1355253789Srpaulo bss->inframode = htole32(NDIS802_11INFRASTRUCTURE); 1356287727Sadrian /* XXX verify how this is supposed to look! */ 1357253789Srpaulo memcpy(bss->supprates, ni->ni_rates.rs_rates, 1358253789Srpaulo ni->ni_rates.rs_nrates); 1359253789Srpaulo /* Write the fixed fields of the beacon frame. */ 1360253789Srpaulo fixed = (struct ndis_802_11_fixed_ies *)&bss[1]; 1361253789Srpaulo memcpy(&fixed->tstamp, ni->ni_tstamp.data, 8); 1362253789Srpaulo fixed->bintval = htole16(ni->ni_intval); 1363253789Srpaulo fixed->capabilities = htole16(ni->ni_capinfo); 1364253789Srpaulo /* Write IEs to be included in the association request. */ 1365253789Srpaulo frm = (uint8_t *)&fixed[1]; 1366253789Srpaulo frm = ieee80211_add_rsn(frm, vap); 1367253789Srpaulo frm = ieee80211_add_wpa(frm, vap); 1368253789Srpaulo frm = ieee80211_add_qos(frm, ni); 1369287947Sadrian if ((ic->ic_flags & IEEE80211_F_WME) && 1370287947Sadrian (ni->ni_ies.wme_ie != NULL)) 1371287947Sadrian frm = ieee80211_add_wme_info(frm, &ic->ic_wme); 1372253789Srpaulo if (ni->ni_flags & IEEE80211_NODE_HT) 1373253789Srpaulo frm = ieee80211_add_htcap(frm, ni); 1374253789Srpaulo bss->ieslen = htole32(frm - (uint8_t *)fixed); 1375253789Srpaulo bss->len = htole32(((frm - buf) + 3) & ~3); 1376287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RESET | RSU_DEBUG_FWCMD, 1377287727Sadrian "%s: sending join bss command to %s chan %d\n", 1378287727Sadrian __func__, 1379253789Srpaulo ether_sprintf(bss->macaddr), le32toh(bss->config.dsconfig)); 1380253789Srpaulo return (rsu_fw_cmd(sc, R92S_CMD_JOIN_BSS, buf, sizeof(buf))); 1381253789Srpaulo} 1382253789Srpaulo 1383253789Srpaulostatic int 1384253789Srpaulorsu_disconnect(struct rsu_softc *sc) 1385253789Srpaulo{ 1386253789Srpaulo uint32_t zero = 0; /* :-) */ 1387253789Srpaulo 1388253789Srpaulo /* Disassociate from our current BSS. */ 1389287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_STATE | RSU_DEBUG_FWCMD, 1390287727Sadrian "%s: sending disconnect command\n", __func__); 1391253789Srpaulo return (rsu_fw_cmd(sc, R92S_CMD_DISCONNECT, &zero, sizeof(zero))); 1392253789Srpaulo} 1393253789Srpaulo 1394253789Srpaulostatic void 1395253789Srpaulorsu_event_survey(struct rsu_softc *sc, uint8_t *buf, int len) 1396253789Srpaulo{ 1397287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1398253789Srpaulo struct ieee80211_frame *wh; 1399253789Srpaulo struct ndis_wlan_bssid_ex *bss; 1400287804Sadrian struct ieee80211_rx_stats rxs; 1401253789Srpaulo struct mbuf *m; 1402253789Srpaulo int pktlen; 1403253789Srpaulo 1404253789Srpaulo if (__predict_false(len < sizeof(*bss))) 1405253789Srpaulo return; 1406253789Srpaulo bss = (struct ndis_wlan_bssid_ex *)buf; 1407253789Srpaulo if (__predict_false(len < sizeof(*bss) + le32toh(bss->ieslen))) 1408253789Srpaulo return; 1409253789Srpaulo 1410287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_SCAN, 1411287727Sadrian "%s: found BSS %s: len=%d chan=%d inframode=%d " 1412287742Sadrian "networktype=%d privacy=%d, RSSI=%d\n", 1413287727Sadrian __func__, 1414253789Srpaulo ether_sprintf(bss->macaddr), le32toh(bss->len), 1415253789Srpaulo le32toh(bss->config.dsconfig), le32toh(bss->inframode), 1416287742Sadrian le32toh(bss->networktype), le32toh(bss->privacy), 1417287742Sadrian le32toh(bss->rssi)); 1418253789Srpaulo 1419253789Srpaulo /* Build a fake beacon frame to let net80211 do all the parsing. */ 1420287727Sadrian /* XXX TODO: just call the new scan API methods! */ 1421253789Srpaulo pktlen = sizeof(*wh) + le32toh(bss->ieslen); 1422253789Srpaulo if (__predict_false(pktlen > MCLBYTES)) 1423253789Srpaulo return; 1424260513Skevlo m = m_get2(pktlen, M_NOWAIT, MT_DATA, M_PKTHDR); 1425253789Srpaulo if (__predict_false(m == NULL)) 1426253789Srpaulo return; 1427253789Srpaulo wh = mtod(m, struct ieee80211_frame *); 1428253789Srpaulo wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | 1429253789Srpaulo IEEE80211_FC0_SUBTYPE_BEACON; 1430253789Srpaulo wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; 1431258919Shselasky USETW(wh->i_dur, 0); 1432287197Sglebius IEEE80211_ADDR_COPY(wh->i_addr1, ieee80211broadcastaddr); 1433253789Srpaulo IEEE80211_ADDR_COPY(wh->i_addr2, bss->macaddr); 1434253789Srpaulo IEEE80211_ADDR_COPY(wh->i_addr3, bss->macaddr); 1435253789Srpaulo *(uint16_t *)wh->i_seq = 0; 1436253789Srpaulo memcpy(&wh[1], (uint8_t *)&bss[1], le32toh(bss->ieslen)); 1437253789Srpaulo 1438253789Srpaulo /* Finalize mbuf. */ 1439253789Srpaulo m->m_pkthdr.len = m->m_len = pktlen; 1440287804Sadrian 1441287804Sadrian /* Set channel flags for input path */ 1442287804Sadrian bzero(&rxs, sizeof(rxs)); 1443287804Sadrian rxs.r_flags |= IEEE80211_R_IEEE | IEEE80211_R_FREQ; 1444287804Sadrian rxs.r_flags |= IEEE80211_R_NF | IEEE80211_R_RSSI; 1445287804Sadrian rxs.c_ieee = le32toh(bss->config.dsconfig); 1446287804Sadrian rxs.c_freq = ieee80211_ieee2mhz(rxs.c_ieee, IEEE80211_CHAN_2GHZ); 1447287804Sadrian rxs.rssi = le32toh(bss->rssi); 1448287804Sadrian rxs.nf = 0; /* XXX */ 1449287804Sadrian 1450253789Srpaulo /* XXX avoid a LOR */ 1451253789Srpaulo RSU_UNLOCK(sc); 1452287804Sadrian ieee80211_input_mimo_all(ic, m, &rxs); 1453253789Srpaulo RSU_LOCK(sc); 1454253789Srpaulo} 1455253789Srpaulo 1456253789Srpaulostatic void 1457253789Srpaulorsu_event_join_bss(struct rsu_softc *sc, uint8_t *buf, int len) 1458253789Srpaulo{ 1459287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1460253789Srpaulo struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1461253789Srpaulo struct ieee80211_node *ni = vap->iv_bss; 1462253789Srpaulo struct r92s_event_join_bss *rsp; 1463267066Shselasky uint32_t tmp; 1464253789Srpaulo int res; 1465253789Srpaulo 1466253789Srpaulo if (__predict_false(len < sizeof(*rsp))) 1467253789Srpaulo return; 1468253789Srpaulo rsp = (struct r92s_event_join_bss *)buf; 1469253789Srpaulo res = (int)le32toh(rsp->join_res); 1470253789Srpaulo 1471287740Sadrian RSU_DPRINTF(sc, RSU_DEBUG_STATE | RSU_DEBUG_FWCMD, 1472287740Sadrian "%s: Rx join BSS event len=%d res=%d\n", 1473287740Sadrian __func__, len, res); 1474287954Sadrian 1475287954Sadrian /* 1476287954Sadrian * XXX Don't do this; there's likely a better way to tell 1477287954Sadrian * the caller we failed. 1478287954Sadrian */ 1479253789Srpaulo if (res <= 0) { 1480253789Srpaulo RSU_UNLOCK(sc); 1481253789Srpaulo ieee80211_new_state(vap, IEEE80211_S_SCAN, -1); 1482253789Srpaulo RSU_LOCK(sc); 1483253789Srpaulo return; 1484253789Srpaulo } 1485287954Sadrian 1486267066Shselasky tmp = le32toh(rsp->associd); 1487267066Shselasky if (tmp >= vap->iv_max_aid) { 1488267066Shselasky DPRINTF("Assoc ID overflow\n"); 1489267066Shselasky tmp = 1; 1490267066Shselasky } 1491287740Sadrian RSU_DPRINTF(sc, RSU_DEBUG_STATE | RSU_DEBUG_FWCMD, 1492287740Sadrian "%s: associated with %s associd=%d\n", 1493287740Sadrian __func__, ether_sprintf(rsp->bss.macaddr), tmp); 1494287740Sadrian /* XXX is this required? What's the top two bits for again? */ 1495267066Shselasky ni->ni_associd = tmp | 0xc000; 1496253789Srpaulo RSU_UNLOCK(sc); 1497253789Srpaulo ieee80211_new_state(vap, IEEE80211_S_RUN, 1498253789Srpaulo IEEE80211_FC0_SUBTYPE_ASSOC_RESP); 1499253789Srpaulo RSU_LOCK(sc); 1500253789Srpaulo} 1501253789Srpaulo 1502253789Srpaulostatic void 1503287949Sadrianrsu_event_addba_req_report(struct rsu_softc *sc, uint8_t *buf, int len) 1504287949Sadrian{ 1505287949Sadrian struct ieee80211com *ic = &sc->sc_ic; 1506287949Sadrian struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1507287949Sadrian struct r92s_add_ba_event *ba = (void *) buf; 1508287949Sadrian struct ieee80211_node *ni; 1509287949Sadrian 1510287949Sadrian if (len < sizeof(*ba)) { 1511287949Sadrian device_printf(sc->sc_dev, "%s: short read (%d)\n", __func__, len); 1512287949Sadrian return; 1513287949Sadrian } 1514287949Sadrian 1515287949Sadrian if (vap == NULL) 1516287949Sadrian return; 1517287949Sadrian 1518287949Sadrian device_printf(sc->sc_dev, "%s: mac=%s, tid=%d, ssn=%d\n", 1519287949Sadrian __func__, 1520287949Sadrian ether_sprintf(ba->mac_addr), 1521287949Sadrian (int) ba->tid, 1522287949Sadrian (int) le16toh(ba->ssn)); 1523287949Sadrian 1524287949Sadrian /* XXX do node lookup; this is STA specific */ 1525287949Sadrian 1526287949Sadrian ni = ieee80211_ref_node(vap->iv_bss); 1527287949Sadrian ieee80211_ampdu_rx_start_ext(ni, ba->tid, le16toh(ba->ssn) >> 4, 32); 1528287949Sadrian ieee80211_free_node(ni); 1529287949Sadrian} 1530287949Sadrian 1531287949Sadrianstatic void 1532253789Srpaulorsu_rx_event(struct rsu_softc *sc, uint8_t code, uint8_t *buf, int len) 1533253789Srpaulo{ 1534287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1535253789Srpaulo struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1536253789Srpaulo 1537287740Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RX | RSU_DEBUG_FWCMD, 1538287727Sadrian "%s: Rx event code=%d len=%d\n", __func__, code, len); 1539253789Srpaulo switch (code) { 1540253789Srpaulo case R92S_EVT_SURVEY: 1541287947Sadrian rsu_event_survey(sc, buf, len); 1542253789Srpaulo break; 1543253789Srpaulo case R92S_EVT_SURVEY_DONE: 1544287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_SCAN, 1545287727Sadrian "%s: site survey pass %d done, found %d BSS\n", 1546287727Sadrian __func__, sc->sc_scan_pass, le32toh(*(uint32_t *)buf)); 1547287954Sadrian sc->sc_scanning = 0; 1548253789Srpaulo if (vap->iv_state != IEEE80211_S_SCAN) 1549253789Srpaulo break; /* Ignore if not scanning. */ 1550287954Sadrian 1551287954Sadrian /* 1552287954Sadrian * XXX TODO: This needs to be done without a transition to 1553287954Sadrian * the SCAN state again. Grr. 1554287954Sadrian */ 1555287197Sglebius if (sc->sc_scan_pass == 0 && vap->iv_des_nssid != 0) { 1556253789Srpaulo /* Schedule a directed scan for hidden APs. */ 1557287947Sadrian /* XXX bad! */ 1558287197Sglebius sc->sc_scan_pass = 1; 1559253789Srpaulo RSU_UNLOCK(sc); 1560253789Srpaulo ieee80211_new_state(vap, IEEE80211_S_SCAN, -1); 1561253789Srpaulo RSU_LOCK(sc); 1562253789Srpaulo break; 1563253789Srpaulo } 1564287197Sglebius sc->sc_scan_pass = 0; 1565253789Srpaulo break; 1566253789Srpaulo case R92S_EVT_JOIN_BSS: 1567253789Srpaulo if (vap->iv_state == IEEE80211_S_AUTH) 1568253789Srpaulo rsu_event_join_bss(sc, buf, len); 1569253789Srpaulo break; 1570253789Srpaulo case R92S_EVT_DEL_STA: 1571287740Sadrian RSU_DPRINTF(sc, RSU_DEBUG_FWCMD | RSU_DEBUG_STATE, 1572287740Sadrian "%s: disassociated from %s\n", __func__, 1573287740Sadrian ether_sprintf(buf)); 1574253789Srpaulo if (vap->iv_state == IEEE80211_S_RUN && 1575253789Srpaulo IEEE80211_ADDR_EQ(vap->iv_bss->ni_bssid, buf)) { 1576253789Srpaulo RSU_UNLOCK(sc); 1577253789Srpaulo ieee80211_new_state(vap, IEEE80211_S_SCAN, -1); 1578253789Srpaulo RSU_LOCK(sc); 1579253789Srpaulo } 1580253789Srpaulo break; 1581253789Srpaulo case R92S_EVT_WPS_PBC: 1582287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RX | RSU_DEBUG_FWCMD, 1583287727Sadrian "%s: WPS PBC pushed.\n", __func__); 1584253789Srpaulo break; 1585253789Srpaulo case R92S_EVT_FWDBG: 1586287727Sadrian buf[60] = '\0'; 1587287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_FWDBG, "FWDBG: %s\n", (char *)buf); 1588253789Srpaulo break; 1589287949Sadrian case R92S_EVT_ADDBA_REQ_REPORT: 1590287949Sadrian rsu_event_addba_req_report(sc, buf, len); 1591287949Sadrian break; 1592267041Shselasky default: 1593288089Sadrian device_printf(sc->sc_dev, "%s: unhandled code (%d)\n", __func__, code); 1594267041Shselasky break; 1595253789Srpaulo } 1596253789Srpaulo} 1597253789Srpaulo 1598253789Srpaulostatic void 1599253789Srpaulorsu_rx_multi_event(struct rsu_softc *sc, uint8_t *buf, int len) 1600253789Srpaulo{ 1601253789Srpaulo struct r92s_fw_cmd_hdr *cmd; 1602253789Srpaulo int cmdsz; 1603253789Srpaulo 1604287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RX, "%s: Rx events len=%d\n", __func__, len); 1605253789Srpaulo 1606253789Srpaulo /* Skip Rx status. */ 1607253789Srpaulo buf += sizeof(struct r92s_rx_stat); 1608253789Srpaulo len -= sizeof(struct r92s_rx_stat); 1609253789Srpaulo 1610253789Srpaulo /* Process all events. */ 1611253789Srpaulo for (;;) { 1612253789Srpaulo /* Check that command header fits. */ 1613253789Srpaulo if (__predict_false(len < sizeof(*cmd))) 1614253789Srpaulo break; 1615253789Srpaulo cmd = (struct r92s_fw_cmd_hdr *)buf; 1616253789Srpaulo /* Check that command payload fits. */ 1617253789Srpaulo cmdsz = le16toh(cmd->len); 1618253789Srpaulo if (__predict_false(len < sizeof(*cmd) + cmdsz)) 1619253789Srpaulo break; 1620253789Srpaulo 1621253789Srpaulo /* Process firmware event. */ 1622253789Srpaulo rsu_rx_event(sc, cmd->code, (uint8_t *)&cmd[1], cmdsz); 1623253789Srpaulo 1624253789Srpaulo if (!(cmd->seq & R92S_FW_CMD_MORE)) 1625253789Srpaulo break; 1626253789Srpaulo buf += sizeof(*cmd) + cmdsz; 1627253789Srpaulo len -= sizeof(*cmd) + cmdsz; 1628253789Srpaulo } 1629253789Srpaulo} 1630253789Srpaulo 1631253789Srpaulostatic int8_t 1632253789Srpaulorsu_get_rssi(struct rsu_softc *sc, int rate, void *physt) 1633253789Srpaulo{ 1634253789Srpaulo static const int8_t cckoff[] = { 14, -2, -20, -40 }; 1635253789Srpaulo struct r92s_rx_phystat *phy; 1636253789Srpaulo struct r92s_rx_cck *cck; 1637253789Srpaulo uint8_t rpt; 1638253789Srpaulo int8_t rssi; 1639253789Srpaulo 1640253789Srpaulo if (rate <= 3) { 1641253789Srpaulo cck = (struct r92s_rx_cck *)physt; 1642253789Srpaulo rpt = (cck->agc_rpt >> 6) & 0x3; 1643253789Srpaulo rssi = cck->agc_rpt & 0x3e; 1644253789Srpaulo rssi = cckoff[rpt] - rssi; 1645253789Srpaulo } else { /* OFDM/HT. */ 1646253789Srpaulo phy = (struct r92s_rx_phystat *)physt; 1647253789Srpaulo rssi = ((le32toh(phy->phydw1) >> 1) & 0x7f) - 106; 1648253789Srpaulo } 1649253789Srpaulo return (rssi); 1650253789Srpaulo} 1651253789Srpaulo 1652253789Srpaulostatic struct mbuf * 1653253789Srpaulorsu_rx_frame(struct rsu_softc *sc, uint8_t *buf, int pktlen, int *rssi) 1654253789Srpaulo{ 1655287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1656253789Srpaulo struct ieee80211_frame *wh; 1657253789Srpaulo struct r92s_rx_stat *stat; 1658253789Srpaulo uint32_t rxdw0, rxdw3; 1659253789Srpaulo struct mbuf *m; 1660253789Srpaulo uint8_t rate; 1661253789Srpaulo int infosz; 1662253789Srpaulo 1663253789Srpaulo stat = (struct r92s_rx_stat *)buf; 1664253789Srpaulo rxdw0 = le32toh(stat->rxdw0); 1665253789Srpaulo rxdw3 = le32toh(stat->rxdw3); 1666253789Srpaulo 1667253789Srpaulo if (__predict_false(rxdw0 & R92S_RXDW0_CRCERR)) { 1668287197Sglebius counter_u64_add(ic->ic_ierrors, 1); 1669253789Srpaulo return NULL; 1670253789Srpaulo } 1671253789Srpaulo if (__predict_false(pktlen < sizeof(*wh) || pktlen > MCLBYTES)) { 1672287197Sglebius counter_u64_add(ic->ic_ierrors, 1); 1673253789Srpaulo return NULL; 1674253789Srpaulo } 1675253789Srpaulo 1676253789Srpaulo rate = MS(rxdw3, R92S_RXDW3_RATE); 1677253789Srpaulo infosz = MS(rxdw0, R92S_RXDW0_INFOSZ) * 8; 1678253789Srpaulo 1679253789Srpaulo /* Get RSSI from PHY status descriptor if present. */ 1680253789Srpaulo if (infosz != 0) 1681253789Srpaulo *rssi = rsu_get_rssi(sc, rate, &stat[1]); 1682253789Srpaulo else 1683253789Srpaulo *rssi = 0; 1684253789Srpaulo 1685287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RX, 1686287727Sadrian "%s: Rx frame len=%d rate=%d infosz=%d rssi=%d\n", 1687287727Sadrian __func__, 1688253789Srpaulo pktlen, rate, infosz, *rssi); 1689253789Srpaulo 1690260513Skevlo m = m_get2(pktlen, M_NOWAIT, MT_DATA, M_PKTHDR); 1691253789Srpaulo if (__predict_false(m == NULL)) { 1692287197Sglebius counter_u64_add(ic->ic_ierrors, 1); 1693253789Srpaulo return NULL; 1694253789Srpaulo } 1695253789Srpaulo /* Hardware does Rx TCP checksum offload. */ 1696253789Srpaulo if (rxdw3 & R92S_RXDW3_TCPCHKVALID) { 1697253789Srpaulo if (__predict_true(rxdw3 & R92S_RXDW3_TCPCHKRPT)) 1698253789Srpaulo m->m_pkthdr.csum_flags |= CSUM_DATA_VALID; 1699253789Srpaulo } 1700253789Srpaulo wh = (struct ieee80211_frame *)((uint8_t *)&stat[1] + infosz); 1701253789Srpaulo memcpy(mtod(m, uint8_t *), wh, pktlen); 1702253789Srpaulo m->m_pkthdr.len = m->m_len = pktlen; 1703253789Srpaulo 1704253789Srpaulo if (ieee80211_radiotap_active(ic)) { 1705253789Srpaulo struct rsu_rx_radiotap_header *tap = &sc->sc_rxtap; 1706253789Srpaulo 1707253789Srpaulo /* Map HW rate index to 802.11 rate. */ 1708253789Srpaulo tap->wr_flags = 2; 1709253789Srpaulo if (!(rxdw3 & R92S_RXDW3_HTC)) { 1710253789Srpaulo switch (rate) { 1711253789Srpaulo /* CCK. */ 1712253789Srpaulo case 0: tap->wr_rate = 2; break; 1713253789Srpaulo case 1: tap->wr_rate = 4; break; 1714253789Srpaulo case 2: tap->wr_rate = 11; break; 1715253789Srpaulo case 3: tap->wr_rate = 22; break; 1716253789Srpaulo /* OFDM. */ 1717253789Srpaulo case 4: tap->wr_rate = 12; break; 1718253789Srpaulo case 5: tap->wr_rate = 18; break; 1719253789Srpaulo case 6: tap->wr_rate = 24; break; 1720253789Srpaulo case 7: tap->wr_rate = 36; break; 1721253789Srpaulo case 8: tap->wr_rate = 48; break; 1722253789Srpaulo case 9: tap->wr_rate = 72; break; 1723253789Srpaulo case 10: tap->wr_rate = 96; break; 1724253789Srpaulo case 11: tap->wr_rate = 108; break; 1725253789Srpaulo } 1726253789Srpaulo } else if (rate >= 12) { /* MCS0~15. */ 1727253789Srpaulo /* Bit 7 set means HT MCS instead of rate. */ 1728253789Srpaulo tap->wr_rate = 0x80 | (rate - 12); 1729253789Srpaulo } 1730253789Srpaulo tap->wr_dbm_antsignal = *rssi; 1731253789Srpaulo tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1732253789Srpaulo tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1733253789Srpaulo } 1734253789Srpaulo 1735253789Srpaulo return (m); 1736253789Srpaulo} 1737253789Srpaulo 1738253789Srpaulostatic struct mbuf * 1739253789Srpaulorsu_rx_multi_frame(struct rsu_softc *sc, uint8_t *buf, int len, int *rssi) 1740253789Srpaulo{ 1741253789Srpaulo struct r92s_rx_stat *stat; 1742253789Srpaulo uint32_t rxdw0; 1743253789Srpaulo int totlen, pktlen, infosz, npkts; 1744253789Srpaulo struct mbuf *m, *m0 = NULL, *prevm = NULL; 1745253789Srpaulo 1746253789Srpaulo /* Get the number of encapsulated frames. */ 1747253789Srpaulo stat = (struct r92s_rx_stat *)buf; 1748253789Srpaulo npkts = MS(le32toh(stat->rxdw2), R92S_RXDW2_PKTCNT); 1749287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RX, 1750287727Sadrian "%s: Rx %d frames in one chunk\n", __func__, npkts); 1751253789Srpaulo 1752253789Srpaulo /* Process all of them. */ 1753253789Srpaulo while (npkts-- > 0) { 1754253789Srpaulo if (__predict_false(len < sizeof(*stat))) 1755253789Srpaulo break; 1756253789Srpaulo stat = (struct r92s_rx_stat *)buf; 1757253789Srpaulo rxdw0 = le32toh(stat->rxdw0); 1758253789Srpaulo 1759253789Srpaulo pktlen = MS(rxdw0, R92S_RXDW0_PKTLEN); 1760253789Srpaulo if (__predict_false(pktlen == 0)) 1761253789Srpaulo break; 1762253789Srpaulo 1763253789Srpaulo infosz = MS(rxdw0, R92S_RXDW0_INFOSZ) * 8; 1764253789Srpaulo 1765253789Srpaulo /* Make sure everything fits in xfer. */ 1766253789Srpaulo totlen = sizeof(*stat) + infosz + pktlen; 1767253789Srpaulo if (__predict_false(totlen > len)) 1768253789Srpaulo break; 1769253789Srpaulo 1770253789Srpaulo /* Process 802.11 frame. */ 1771253789Srpaulo m = rsu_rx_frame(sc, buf, pktlen, rssi); 1772253789Srpaulo if (m0 == NULL) 1773253789Srpaulo m0 = m; 1774253789Srpaulo if (prevm == NULL) 1775253789Srpaulo prevm = m; 1776253789Srpaulo else { 1777253789Srpaulo prevm->m_next = m; 1778253789Srpaulo prevm = m; 1779253789Srpaulo } 1780253789Srpaulo /* Next chunk is 128-byte aligned. */ 1781253789Srpaulo totlen = (totlen + 127) & ~127; 1782253789Srpaulo buf += totlen; 1783253789Srpaulo len -= totlen; 1784253789Srpaulo } 1785253789Srpaulo 1786253789Srpaulo return (m0); 1787253789Srpaulo} 1788253789Srpaulo 1789253789Srpaulostatic struct mbuf * 1790253789Srpaulorsu_rxeof(struct usb_xfer *xfer, struct rsu_data *data, int *rssi) 1791253789Srpaulo{ 1792253789Srpaulo struct rsu_softc *sc = data->sc; 1793287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1794253789Srpaulo struct r92s_rx_stat *stat; 1795253789Srpaulo int len; 1796253789Srpaulo 1797253789Srpaulo usbd_xfer_status(xfer, &len, NULL, NULL, NULL); 1798253789Srpaulo 1799253789Srpaulo if (__predict_false(len < sizeof(*stat))) { 1800253789Srpaulo DPRINTF("xfer too short %d\n", len); 1801287197Sglebius counter_u64_add(ic->ic_ierrors, 1); 1802253789Srpaulo return (NULL); 1803253789Srpaulo } 1804253789Srpaulo /* Determine if it is a firmware C2H event or an 802.11 frame. */ 1805253789Srpaulo stat = (struct r92s_rx_stat *)data->buf; 1806253789Srpaulo if ((le32toh(stat->rxdw1) & 0x1ff) == 0x1ff) { 1807253789Srpaulo rsu_rx_multi_event(sc, data->buf, len); 1808253789Srpaulo /* No packets to process. */ 1809253789Srpaulo return (NULL); 1810253789Srpaulo } else 1811253789Srpaulo return (rsu_rx_multi_frame(sc, data->buf, len, rssi)); 1812253789Srpaulo} 1813253789Srpaulo 1814253789Srpaulostatic void 1815253789Srpaulorsu_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error) 1816253789Srpaulo{ 1817253789Srpaulo struct rsu_softc *sc = usbd_xfer_softc(xfer); 1818287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1819253789Srpaulo struct ieee80211_frame *wh; 1820253789Srpaulo struct ieee80211_node *ni; 1821253789Srpaulo struct mbuf *m = NULL, *next; 1822253789Srpaulo struct rsu_data *data; 1823253789Srpaulo int rssi = 1; 1824253789Srpaulo 1825253789Srpaulo RSU_ASSERT_LOCKED(sc); 1826253789Srpaulo 1827253789Srpaulo switch (USB_GET_STATE(xfer)) { 1828253789Srpaulo case USB_ST_TRANSFERRED: 1829253789Srpaulo data = STAILQ_FIRST(&sc->sc_rx_active); 1830253789Srpaulo if (data == NULL) 1831253789Srpaulo goto tr_setup; 1832253789Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 1833253789Srpaulo m = rsu_rxeof(xfer, data, &rssi); 1834253789Srpaulo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 1835253789Srpaulo /* FALLTHROUGH */ 1836253789Srpaulo case USB_ST_SETUP: 1837253789Srpaulotr_setup: 1838253789Srpaulo data = STAILQ_FIRST(&sc->sc_rx_inactive); 1839253789Srpaulo if (data == NULL) { 1840253789Srpaulo KASSERT(m == NULL, ("mbuf isn't NULL")); 1841253789Srpaulo return; 1842253789Srpaulo } 1843253789Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_rx_inactive, next); 1844253789Srpaulo STAILQ_INSERT_TAIL(&sc->sc_rx_active, data, next); 1845253789Srpaulo usbd_xfer_set_frame_data(xfer, 0, data->buf, 1846253789Srpaulo usbd_xfer_max_len(xfer)); 1847253789Srpaulo usbd_transfer_submit(xfer); 1848253789Srpaulo /* 1849253789Srpaulo * To avoid LOR we should unlock our private mutex here to call 1850253789Srpaulo * ieee80211_input() because here is at the end of a USB 1851253789Srpaulo * callback and safe to unlock. 1852253789Srpaulo */ 1853253789Srpaulo RSU_UNLOCK(sc); 1854253789Srpaulo while (m != NULL) { 1855253789Srpaulo next = m->m_next; 1856253789Srpaulo m->m_next = NULL; 1857253789Srpaulo wh = mtod(m, struct ieee80211_frame *); 1858253789Srpaulo ni = ieee80211_find_rxnode(ic, 1859253789Srpaulo (struct ieee80211_frame_min *)wh); 1860253789Srpaulo if (ni != NULL) { 1861287949Sadrian if (ni->ni_flags & IEEE80211_NODE_HT) 1862287949Sadrian m->m_flags |= M_AMPDU; 1863253789Srpaulo (void)ieee80211_input(ni, m, rssi, 0); 1864253789Srpaulo ieee80211_free_node(ni); 1865253789Srpaulo } else 1866253789Srpaulo (void)ieee80211_input_all(ic, m, rssi, 0); 1867253789Srpaulo m = next; 1868253789Srpaulo } 1869253789Srpaulo RSU_LOCK(sc); 1870253789Srpaulo break; 1871253789Srpaulo default: 1872253789Srpaulo /* needs it to the inactive queue due to a error. */ 1873253789Srpaulo data = STAILQ_FIRST(&sc->sc_rx_active); 1874253789Srpaulo if (data != NULL) { 1875253789Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 1876253789Srpaulo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 1877253789Srpaulo } 1878253789Srpaulo if (error != USB_ERR_CANCELLED) { 1879253789Srpaulo usbd_xfer_set_stall(xfer); 1880287197Sglebius counter_u64_add(ic->ic_ierrors, 1); 1881253789Srpaulo goto tr_setup; 1882253789Srpaulo } 1883253789Srpaulo break; 1884253789Srpaulo } 1885253789Srpaulo 1886253789Srpaulo} 1887253789Srpaulo 1888253789Srpaulostatic void 1889253789Srpaulorsu_txeof(struct usb_xfer *xfer, struct rsu_data *data) 1890253789Srpaulo{ 1891287727Sadrian#ifdef USB_DEBUG 1892287727Sadrian struct rsu_softc *sc = usbd_xfer_softc(xfer); 1893287727Sadrian#endif 1894253789Srpaulo 1895287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TXDONE, "%s: called; data=%p\n", 1896287727Sadrian __func__, 1897287727Sadrian data); 1898287727Sadrian 1899253789Srpaulo if (data->m) { 1900287197Sglebius /* XXX status? */ 1901287197Sglebius ieee80211_tx_complete(data->ni, data->m, 0); 1902253789Srpaulo data->m = NULL; 1903253789Srpaulo data->ni = NULL; 1904253789Srpaulo } 1905253789Srpaulo} 1906253789Srpaulo 1907253789Srpaulostatic void 1908266505Shselaskyrsu_bulk_tx_callback_sub(struct usb_xfer *xfer, usb_error_t error, 1909266505Shselasky uint8_t which) 1910253789Srpaulo{ 1911253789Srpaulo struct rsu_softc *sc = usbd_xfer_softc(xfer); 1912287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 1913253789Srpaulo struct rsu_data *data; 1914253789Srpaulo 1915253789Srpaulo RSU_ASSERT_LOCKED(sc); 1916253789Srpaulo 1917253789Srpaulo switch (USB_GET_STATE(xfer)) { 1918253789Srpaulo case USB_ST_TRANSFERRED: 1919266505Shselasky data = STAILQ_FIRST(&sc->sc_tx_active[which]); 1920253789Srpaulo if (data == NULL) 1921253789Srpaulo goto tr_setup; 1922287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TXDONE, "%s: transfer done %p\n", 1923287727Sadrian __func__, data); 1924266505Shselasky STAILQ_REMOVE_HEAD(&sc->sc_tx_active[which], next); 1925253789Srpaulo rsu_txeof(xfer, data); 1926287953Sadrian rsu_freebuf(sc, data); 1927253789Srpaulo /* FALLTHROUGH */ 1928253789Srpaulo case USB_ST_SETUP: 1929253789Srpaulotr_setup: 1930266505Shselasky data = STAILQ_FIRST(&sc->sc_tx_pending[which]); 1931253789Srpaulo if (data == NULL) { 1932287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TXDONE, 1933287727Sadrian "%s: empty pending queue sc %p\n", __func__, sc); 1934253789Srpaulo return; 1935253789Srpaulo } 1936266505Shselasky STAILQ_REMOVE_HEAD(&sc->sc_tx_pending[which], next); 1937266505Shselasky STAILQ_INSERT_TAIL(&sc->sc_tx_active[which], data, next); 1938253789Srpaulo usbd_xfer_set_frame_data(xfer, 0, data->buf, data->buflen); 1939287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TXDONE, 1940287727Sadrian "%s: submitting transfer %p\n", 1941287727Sadrian __func__, 1942287727Sadrian data); 1943253789Srpaulo usbd_transfer_submit(xfer); 1944253789Srpaulo break; 1945253789Srpaulo default: 1946266505Shselasky data = STAILQ_FIRST(&sc->sc_tx_active[which]); 1947266505Shselasky if (data != NULL) { 1948266505Shselasky STAILQ_REMOVE_HEAD(&sc->sc_tx_active[which], next); 1949266505Shselasky rsu_txeof(xfer, data); 1950287953Sadrian rsu_freebuf(sc, data); 1951253789Srpaulo } 1952287197Sglebius counter_u64_add(ic->ic_oerrors, 1); 1953266505Shselasky 1954253789Srpaulo if (error != USB_ERR_CANCELLED) { 1955253789Srpaulo usbd_xfer_set_stall(xfer); 1956253789Srpaulo goto tr_setup; 1957253789Srpaulo } 1958253789Srpaulo break; 1959253789Srpaulo } 1960253789Srpaulo} 1961253789Srpaulo 1962266505Shselaskystatic void 1963267041Shselaskyrsu_bulk_tx_callback_be_bk(struct usb_xfer *xfer, usb_error_t error) 1964266505Shselasky{ 1965288052Sadrian struct rsu_softc *sc = usbd_xfer_softc(xfer); 1966288052Sadrian 1967267041Shselasky rsu_bulk_tx_callback_sub(xfer, error, RSU_BULK_TX_BE_BK); 1968288052Sadrian 1969288052Sadrian /* This kicks the TX taskqueue */ 1970288052Sadrian rsu_start(sc); 1971266505Shselasky} 1972266505Shselasky 1973266505Shselaskystatic void 1974267041Shselaskyrsu_bulk_tx_callback_vi_vo(struct usb_xfer *xfer, usb_error_t error) 1975266505Shselasky{ 1976288052Sadrian struct rsu_softc *sc = usbd_xfer_softc(xfer); 1977288052Sadrian 1978267041Shselasky rsu_bulk_tx_callback_sub(xfer, error, RSU_BULK_TX_VI_VO); 1979288052Sadrian 1980288052Sadrian /* This kicks the TX taskqueue */ 1981288052Sadrian rsu_start(sc); 1982266505Shselasky} 1983266505Shselasky 1984287896Sadrianstatic void 1985287896Sadrianrsu_bulk_tx_callback_h2c(struct usb_xfer *xfer, usb_error_t error) 1986287896Sadrian{ 1987288052Sadrian struct rsu_softc *sc = usbd_xfer_softc(xfer); 1988288052Sadrian 1989287896Sadrian rsu_bulk_tx_callback_sub(xfer, error, RSU_BULK_TX_H2C); 1990288052Sadrian 1991288052Sadrian /* This kicks the TX taskqueue */ 1992288052Sadrian rsu_start(sc); 1993287896Sadrian} 1994287896Sadrian 1995253789Srpaulostatic int 1996253789Srpaulorsu_tx_start(struct rsu_softc *sc, struct ieee80211_node *ni, 1997266505Shselasky struct mbuf *m0, struct rsu_data *data) 1998253789Srpaulo{ 1999287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 2000253789Srpaulo struct ieee80211vap *vap = ni->ni_vap; 2001253789Srpaulo struct ieee80211_frame *wh; 2002253789Srpaulo struct ieee80211_key *k = NULL; 2003253789Srpaulo struct r92s_tx_desc *txd; 2004266505Shselasky uint8_t type; 2005287901Sadrian int prio = 0; 2006266505Shselasky uint8_t which; 2007266505Shselasky int hasqos; 2008266505Shselasky int xferlen; 2009287901Sadrian int qid; 2010253789Srpaulo 2011253789Srpaulo RSU_ASSERT_LOCKED(sc); 2012253789Srpaulo 2013253789Srpaulo wh = mtod(m0, struct ieee80211_frame *); 2014253789Srpaulo type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2015253789Srpaulo 2016287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TX, "%s: data=%p, m=%p\n", 2017287727Sadrian __func__, data, m0); 2018287727Sadrian 2019260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2020253789Srpaulo k = ieee80211_crypto_encap(ni, m0); 2021253789Srpaulo if (k == NULL) { 2022253789Srpaulo device_printf(sc->sc_dev, 2023253789Srpaulo "ieee80211_crypto_encap returns NULL.\n"); 2024253789Srpaulo /* XXX we don't expect the fragmented frames */ 2025253789Srpaulo m_freem(m0); 2026253789Srpaulo return (ENOBUFS); 2027253789Srpaulo } 2028253789Srpaulo wh = mtod(m0, struct ieee80211_frame *); 2029253789Srpaulo } 2030287901Sadrian /* If we have QoS then use it */ 2031287901Sadrian /* XXX TODO: mbuf WME/PRI versus TID? */ 2032287901Sadrian if (IEEE80211_QOS_HAS_SEQ(wh)) { 2033287901Sadrian /* Has QoS */ 2034287901Sadrian prio = M_WME_GETAC(m0); 2035287901Sadrian which = rsu_wme_ac_xfer_map[prio]; 2036287901Sadrian hasqos = 1; 2037287901Sadrian } else { 2038287901Sadrian /* Non-QoS TID */ 2039287901Sadrian /* XXX TODO: tid=0 for non-qos TID? */ 2040287901Sadrian which = rsu_wme_ac_xfer_map[WME_AC_BE]; 2041287901Sadrian hasqos = 0; 2042287901Sadrian prio = 0; 2043287901Sadrian } 2044287901Sadrian 2045287901Sadrian qid = rsu_ac2qid[prio]; 2046287901Sadrian#if 0 2047253789Srpaulo switch (type) { 2048253789Srpaulo case IEEE80211_FC0_TYPE_CTL: 2049253789Srpaulo case IEEE80211_FC0_TYPE_MGT: 2050267041Shselasky which = rsu_wme_ac_xfer_map[WME_AC_VO]; 2051253789Srpaulo break; 2052253789Srpaulo default: 2053267041Shselasky which = rsu_wme_ac_xfer_map[M_WME_GETAC(m0)]; 2054253789Srpaulo break; 2055253789Srpaulo } 2056253789Srpaulo hasqos = 0; 2057287901Sadrian#endif 2058287947Sadrian 2059287947Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TX, "%s: pri=%d, which=%d, hasqos=%d\n", 2060287947Sadrian __func__, 2061287947Sadrian prio, 2062287947Sadrian which, 2063287947Sadrian hasqos); 2064287947Sadrian 2065253789Srpaulo /* Fill Tx descriptor. */ 2066253789Srpaulo txd = (struct r92s_tx_desc *)data->buf; 2067253789Srpaulo memset(txd, 0, sizeof(*txd)); 2068253789Srpaulo 2069253789Srpaulo txd->txdw0 |= htole32( 2070253789Srpaulo SM(R92S_TXDW0_PKTLEN, m0->m_pkthdr.len) | 2071253789Srpaulo SM(R92S_TXDW0_OFFSET, sizeof(*txd)) | 2072253789Srpaulo R92S_TXDW0_OWN | R92S_TXDW0_FSG | R92S_TXDW0_LSG); 2073253789Srpaulo 2074253789Srpaulo txd->txdw1 |= htole32( 2075287901Sadrian SM(R92S_TXDW1_MACID, R92S_MACID_BSS) | SM(R92S_TXDW1_QSEL, qid)); 2076253789Srpaulo if (!hasqos) 2077253789Srpaulo txd->txdw1 |= htole32(R92S_TXDW1_NONQOS); 2078253789Srpaulo#ifdef notyet 2079253789Srpaulo if (k != NULL) { 2080253789Srpaulo switch (k->wk_cipher->ic_cipher) { 2081253789Srpaulo case IEEE80211_CIPHER_WEP: 2082253789Srpaulo cipher = R92S_TXDW1_CIPHER_WEP; 2083253789Srpaulo break; 2084253789Srpaulo case IEEE80211_CIPHER_TKIP: 2085253789Srpaulo cipher = R92S_TXDW1_CIPHER_TKIP; 2086253789Srpaulo break; 2087253789Srpaulo case IEEE80211_CIPHER_AES_CCM: 2088253789Srpaulo cipher = R92S_TXDW1_CIPHER_AES; 2089253789Srpaulo break; 2090253789Srpaulo default: 2091253789Srpaulo cipher = R92S_TXDW1_CIPHER_NONE; 2092253789Srpaulo } 2093253789Srpaulo txd->txdw1 |= htole32( 2094253789Srpaulo SM(R92S_TXDW1_CIPHER, cipher) | 2095253789Srpaulo SM(R92S_TXDW1_KEYIDX, k->k_id)); 2096253789Srpaulo } 2097253789Srpaulo#endif 2098287947Sadrian /* XXX todo: set AGGEN bit if appropriate? */ 2099253789Srpaulo txd->txdw2 |= htole32(R92S_TXDW2_BK); 2100253789Srpaulo if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 2101253789Srpaulo txd->txdw2 |= htole32(R92S_TXDW2_BMCAST); 2102253789Srpaulo /* 2103253789Srpaulo * Firmware will use and increment the sequence number for the 2104287901Sadrian * specified priority. 2105253789Srpaulo */ 2106287901Sadrian txd->txdw3 |= htole32(SM(R92S_TXDW3_SEQ, prio)); 2107253789Srpaulo 2108253789Srpaulo if (ieee80211_radiotap_active_vap(vap)) { 2109253789Srpaulo struct rsu_tx_radiotap_header *tap = &sc->sc_txtap; 2110253789Srpaulo 2111253789Srpaulo tap->wt_flags = 0; 2112253789Srpaulo tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2113253789Srpaulo tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2114253789Srpaulo ieee80211_radiotap_tx(vap, m0); 2115253789Srpaulo } 2116287727Sadrian 2117253789Srpaulo xferlen = sizeof(*txd) + m0->m_pkthdr.len; 2118253789Srpaulo m_copydata(m0, 0, m0->m_pkthdr.len, (caddr_t)&txd[1]); 2119253789Srpaulo 2120253789Srpaulo data->buflen = xferlen; 2121253789Srpaulo data->ni = ni; 2122253789Srpaulo data->m = m0; 2123266505Shselasky STAILQ_INSERT_TAIL(&sc->sc_tx_pending[which], data, next); 2124253789Srpaulo 2125266505Shselasky /* start transfer, if any */ 2126267041Shselasky usbd_transfer_start(sc->sc_xfer[which]); 2127253789Srpaulo return (0); 2128253789Srpaulo} 2129253789Srpaulo 2130287197Sglebiusstatic int 2131287197Sglebiusrsu_transmit(struct ieee80211com *ic, struct mbuf *m) 2132253789Srpaulo{ 2133287197Sglebius struct rsu_softc *sc = ic->ic_softc; 2134287197Sglebius int error; 2135253789Srpaulo 2136253789Srpaulo RSU_LOCK(sc); 2137287197Sglebius if (!sc->sc_running) { 2138287197Sglebius RSU_UNLOCK(sc); 2139287197Sglebius return (ENXIO); 2140287197Sglebius } 2141287197Sglebius error = mbufq_enqueue(&sc->sc_snd, m); 2142287197Sglebius if (error) { 2143288051Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TX, 2144288051Sadrian "%s: mbufq_enable: failed (%d)\n", 2145288051Sadrian __func__, 2146288051Sadrian error); 2147287197Sglebius RSU_UNLOCK(sc); 2148287197Sglebius return (error); 2149287197Sglebius } 2150253789Srpaulo RSU_UNLOCK(sc); 2151287197Sglebius 2152288052Sadrian /* This kicks the TX taskqueue */ 2153288052Sadrian rsu_start(sc); 2154288052Sadrian 2155287197Sglebius return (0); 2156253789Srpaulo} 2157253789Srpaulo 2158253789Srpaulostatic void 2159288051Sadrianrsu_drain_mbufq(struct rsu_softc *sc) 2160288051Sadrian{ 2161288051Sadrian struct mbuf *m; 2162288051Sadrian struct ieee80211_node *ni; 2163288051Sadrian 2164288051Sadrian RSU_ASSERT_LOCKED(sc); 2165288051Sadrian while ((m = mbufq_dequeue(&sc->sc_snd)) != NULL) { 2166288051Sadrian ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2167288051Sadrian m->m_pkthdr.rcvif = NULL; 2168288051Sadrian ieee80211_free_node(ni); 2169288051Sadrian m_freem(m); 2170288051Sadrian } 2171288051Sadrian} 2172288051Sadrian 2173288051Sadrianstatic void 2174288052Sadrian_rsu_start(struct rsu_softc *sc) 2175253789Srpaulo{ 2176253789Srpaulo struct ieee80211_node *ni; 2177266505Shselasky struct rsu_data *bf; 2178253789Srpaulo struct mbuf *m; 2179253789Srpaulo 2180253789Srpaulo RSU_ASSERT_LOCKED(sc); 2181253789Srpaulo 2182287197Sglebius while ((m = mbufq_dequeue(&sc->sc_snd)) != NULL) { 2183287197Sglebius bf = rsu_getbuf(sc); 2184287197Sglebius if (bf == NULL) { 2185288051Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TX, 2186288051Sadrian "%s: failed to get buffer\n", __func__); 2187287197Sglebius mbufq_prepend(&sc->sc_snd, m); 2188253789Srpaulo break; 2189287197Sglebius } 2190287197Sglebius 2191253789Srpaulo ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2192253789Srpaulo m->m_pkthdr.rcvif = NULL; 2193253789Srpaulo 2194287197Sglebius if (rsu_tx_start(sc, ni, m, bf) != 0) { 2195288051Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TX, 2196288051Sadrian "%s: failed to transmit\n", __func__); 2197287197Sglebius if_inc_counter(ni->ni_vap->iv_ifp, 2198287197Sglebius IFCOUNTER_OERRORS, 1); 2199287953Sadrian rsu_freebuf(sc, bf); 2200253789Srpaulo ieee80211_free_node(ni); 2201287197Sglebius break; 2202253789Srpaulo } 2203253789Srpaulo } 2204253789Srpaulo} 2205253789Srpaulo 2206287197Sglebiusstatic void 2207288052Sadrianrsu_start(struct rsu_softc *sc) 2208288052Sadrian{ 2209288052Sadrian 2210288052Sadrian taskqueue_enqueue(taskqueue_thread, &sc->tx_task); 2211288052Sadrian} 2212288052Sadrian 2213288052Sadrianstatic void 2214287197Sglebiusrsu_parent(struct ieee80211com *ic) 2215253789Srpaulo{ 2216286950Sadrian struct rsu_softc *sc = ic->ic_softc; 2217287197Sglebius int startall = 0; 2218253789Srpaulo 2219287197Sglebius RSU_LOCK(sc); 2220287197Sglebius if (ic->ic_nrunning > 0) { 2221287197Sglebius if (!sc->sc_running) { 2222287197Sglebius rsu_init(sc); 2223287197Sglebius startall = 1; 2224253789Srpaulo } 2225287197Sglebius } else if (sc->sc_running) 2226287197Sglebius rsu_stop(sc); 2227287197Sglebius RSU_UNLOCK(sc); 2228253789Srpaulo 2229287197Sglebius if (startall) 2230287197Sglebius ieee80211_start_all(ic); 2231253789Srpaulo} 2232253789Srpaulo 2233253789Srpaulo/* 2234253789Srpaulo * Power on sequence for A-cut adapters. 2235253789Srpaulo */ 2236253789Srpaulostatic void 2237253789Srpaulorsu_power_on_acut(struct rsu_softc *sc) 2238253789Srpaulo{ 2239253789Srpaulo uint32_t reg; 2240253789Srpaulo 2241253789Srpaulo rsu_write_1(sc, R92S_SPS0_CTRL + 1, 0x53); 2242253789Srpaulo rsu_write_1(sc, R92S_SPS0_CTRL + 0, 0x57); 2243253789Srpaulo 2244253789Srpaulo /* Enable AFE macro block's bandgap and Mbias. */ 2245253789Srpaulo rsu_write_1(sc, R92S_AFE_MISC, 2246253789Srpaulo rsu_read_1(sc, R92S_AFE_MISC) | 2247253789Srpaulo R92S_AFE_MISC_BGEN | R92S_AFE_MISC_MBEN); 2248253789Srpaulo /* Enable LDOA15 block. */ 2249253789Srpaulo rsu_write_1(sc, R92S_LDOA15_CTRL, 2250253789Srpaulo rsu_read_1(sc, R92S_LDOA15_CTRL) | R92S_LDA15_EN); 2251253789Srpaulo 2252253789Srpaulo rsu_write_1(sc, R92S_SPS1_CTRL, 2253253789Srpaulo rsu_read_1(sc, R92S_SPS1_CTRL) | R92S_SPS1_LDEN); 2254287892Sadrian rsu_ms_delay(sc, 2000); 2255253789Srpaulo /* Enable switch regulator block. */ 2256253789Srpaulo rsu_write_1(sc, R92S_SPS1_CTRL, 2257253789Srpaulo rsu_read_1(sc, R92S_SPS1_CTRL) | R92S_SPS1_SWEN); 2258253789Srpaulo 2259253789Srpaulo rsu_write_4(sc, R92S_SPS1_CTRL, 0x00a7b267); 2260253789Srpaulo 2261253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL + 1, 2262253789Srpaulo rsu_read_1(sc, R92S_SYS_ISO_CTRL + 1) | 0x08); 2263253789Srpaulo 2264253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 2265253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x20); 2266253789Srpaulo 2267253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL + 1, 2268253789Srpaulo rsu_read_1(sc, R92S_SYS_ISO_CTRL + 1) & ~0x90); 2269253789Srpaulo 2270253789Srpaulo /* Enable AFE clock. */ 2271253789Srpaulo rsu_write_1(sc, R92S_AFE_XTAL_CTRL + 1, 2272253789Srpaulo rsu_read_1(sc, R92S_AFE_XTAL_CTRL + 1) & ~0x04); 2273253789Srpaulo /* Enable AFE PLL macro block. */ 2274253789Srpaulo rsu_write_1(sc, R92S_AFE_PLL_CTRL, 2275253789Srpaulo rsu_read_1(sc, R92S_AFE_PLL_CTRL) | 0x11); 2276253789Srpaulo /* Attach AFE PLL to MACTOP/BB. */ 2277253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL, 2278253789Srpaulo rsu_read_1(sc, R92S_SYS_ISO_CTRL) & ~0x11); 2279253789Srpaulo 2280253789Srpaulo /* Switch to 40MHz clock instead of 80MHz. */ 2281253789Srpaulo rsu_write_2(sc, R92S_SYS_CLKR, 2282253789Srpaulo rsu_read_2(sc, R92S_SYS_CLKR) & ~R92S_SYS_CLKSEL); 2283253789Srpaulo 2284253789Srpaulo /* Enable MAC clock. */ 2285253789Srpaulo rsu_write_2(sc, R92S_SYS_CLKR, 2286253789Srpaulo rsu_read_2(sc, R92S_SYS_CLKR) | 2287253789Srpaulo R92S_MAC_CLK_EN | R92S_SYS_CLK_EN); 2288253789Srpaulo 2289253789Srpaulo rsu_write_1(sc, R92S_PMC_FSM, 0x02); 2290253789Srpaulo 2291253789Srpaulo /* Enable digital core and IOREG R/W. */ 2292253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 2293253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x08); 2294253789Srpaulo 2295253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 2296253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x80); 2297253789Srpaulo 2298253789Srpaulo /* Switch the control path to firmware. */ 2299253789Srpaulo reg = rsu_read_2(sc, R92S_SYS_CLKR); 2300253789Srpaulo reg = (reg & ~R92S_SWHW_SEL) | R92S_FWHW_SEL; 2301253789Srpaulo rsu_write_2(sc, R92S_SYS_CLKR, reg); 2302253789Srpaulo 2303253789Srpaulo rsu_write_2(sc, R92S_CR, 0x37fc); 2304253789Srpaulo 2305253789Srpaulo /* Fix USB RX FIFO issue. */ 2306253789Srpaulo rsu_write_1(sc, 0xfe5c, 2307253789Srpaulo rsu_read_1(sc, 0xfe5c) | 0x80); 2308253789Srpaulo rsu_write_1(sc, 0x00ab, 2309253789Srpaulo rsu_read_1(sc, 0x00ab) | 0xc0); 2310253789Srpaulo 2311253789Srpaulo rsu_write_1(sc, R92S_SYS_CLKR, 2312253789Srpaulo rsu_read_1(sc, R92S_SYS_CLKR) & ~R92S_SYS_CPU_CLKSEL); 2313253789Srpaulo} 2314253789Srpaulo 2315253789Srpaulo/* 2316253789Srpaulo * Power on sequence for B-cut and C-cut adapters. 2317253789Srpaulo */ 2318253789Srpaulostatic void 2319253789Srpaulorsu_power_on_bcut(struct rsu_softc *sc) 2320253789Srpaulo{ 2321253789Srpaulo uint32_t reg; 2322253789Srpaulo int ntries; 2323253789Srpaulo 2324253789Srpaulo /* Prevent eFuse leakage. */ 2325253789Srpaulo rsu_write_1(sc, 0x37, 0xb0); 2326287892Sadrian rsu_ms_delay(sc, 10); 2327253789Srpaulo rsu_write_1(sc, 0x37, 0x30); 2328253789Srpaulo 2329253789Srpaulo /* Switch the control path to hardware. */ 2330253789Srpaulo reg = rsu_read_2(sc, R92S_SYS_CLKR); 2331253789Srpaulo if (reg & R92S_FWHW_SEL) { 2332253789Srpaulo rsu_write_2(sc, R92S_SYS_CLKR, 2333253789Srpaulo reg & ~(R92S_SWHW_SEL | R92S_FWHW_SEL)); 2334253789Srpaulo } 2335253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 2336253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) & ~0x8c); 2337287892Sadrian rsu_ms_delay(sc, 1); 2338253789Srpaulo 2339253789Srpaulo rsu_write_1(sc, R92S_SPS0_CTRL + 1, 0x53); 2340253789Srpaulo rsu_write_1(sc, R92S_SPS0_CTRL + 0, 0x57); 2341253789Srpaulo 2342253789Srpaulo reg = rsu_read_1(sc, R92S_AFE_MISC); 2343253789Srpaulo rsu_write_1(sc, R92S_AFE_MISC, reg | R92S_AFE_MISC_BGEN); 2344253789Srpaulo rsu_write_1(sc, R92S_AFE_MISC, reg | R92S_AFE_MISC_BGEN | 2345253789Srpaulo R92S_AFE_MISC_MBEN | R92S_AFE_MISC_I32_EN); 2346253789Srpaulo 2347253789Srpaulo /* Enable PLL. */ 2348253789Srpaulo rsu_write_1(sc, R92S_LDOA15_CTRL, 2349253789Srpaulo rsu_read_1(sc, R92S_LDOA15_CTRL) | R92S_LDA15_EN); 2350253789Srpaulo 2351253789Srpaulo rsu_write_1(sc, R92S_LDOV12D_CTRL, 2352253789Srpaulo rsu_read_1(sc, R92S_LDOV12D_CTRL) | R92S_LDV12_EN); 2353253789Srpaulo 2354253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL + 1, 2355253789Srpaulo rsu_read_1(sc, R92S_SYS_ISO_CTRL + 1) | 0x08); 2356253789Srpaulo 2357253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 2358253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x20); 2359253789Srpaulo 2360253789Srpaulo /* Support 64KB IMEM. */ 2361253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL + 1, 2362253789Srpaulo rsu_read_1(sc, R92S_SYS_ISO_CTRL + 1) & ~0x97); 2363253789Srpaulo 2364253789Srpaulo /* Enable AFE clock. */ 2365253789Srpaulo rsu_write_1(sc, R92S_AFE_XTAL_CTRL + 1, 2366253789Srpaulo rsu_read_1(sc, R92S_AFE_XTAL_CTRL + 1) & ~0x04); 2367253789Srpaulo /* Enable AFE PLL macro block. */ 2368253789Srpaulo reg = rsu_read_1(sc, R92S_AFE_PLL_CTRL); 2369253789Srpaulo rsu_write_1(sc, R92S_AFE_PLL_CTRL, reg | 0x11); 2370287892Sadrian rsu_ms_delay(sc, 1); 2371253789Srpaulo rsu_write_1(sc, R92S_AFE_PLL_CTRL, reg | 0x51); 2372287892Sadrian rsu_ms_delay(sc, 1); 2373253789Srpaulo rsu_write_1(sc, R92S_AFE_PLL_CTRL, reg | 0x11); 2374287892Sadrian rsu_ms_delay(sc, 1); 2375253789Srpaulo 2376253789Srpaulo /* Attach AFE PLL to MACTOP/BB. */ 2377253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL, 2378253789Srpaulo rsu_read_1(sc, R92S_SYS_ISO_CTRL) & ~0x11); 2379253789Srpaulo 2380253789Srpaulo /* Switch to 40MHz clock. */ 2381253789Srpaulo rsu_write_1(sc, R92S_SYS_CLKR, 0x00); 2382253789Srpaulo /* Disable CPU clock and 80MHz SSC. */ 2383253789Srpaulo rsu_write_1(sc, R92S_SYS_CLKR, 2384253789Srpaulo rsu_read_1(sc, R92S_SYS_CLKR) | 0xa0); 2385253789Srpaulo /* Enable MAC clock. */ 2386253789Srpaulo rsu_write_2(sc, R92S_SYS_CLKR, 2387253789Srpaulo rsu_read_2(sc, R92S_SYS_CLKR) | 2388253789Srpaulo R92S_MAC_CLK_EN | R92S_SYS_CLK_EN); 2389253789Srpaulo 2390253789Srpaulo rsu_write_1(sc, R92S_PMC_FSM, 0x02); 2391253789Srpaulo 2392253789Srpaulo /* Enable digital core and IOREG R/W. */ 2393253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 2394253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x08); 2395253789Srpaulo 2396253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 2397253789Srpaulo rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x80); 2398253789Srpaulo 2399253789Srpaulo /* Switch the control path to firmware. */ 2400253789Srpaulo reg = rsu_read_2(sc, R92S_SYS_CLKR); 2401253789Srpaulo reg = (reg & ~R92S_SWHW_SEL) | R92S_FWHW_SEL; 2402253789Srpaulo rsu_write_2(sc, R92S_SYS_CLKR, reg); 2403253789Srpaulo 2404253789Srpaulo rsu_write_2(sc, R92S_CR, 0x37fc); 2405253789Srpaulo 2406253789Srpaulo /* Fix USB RX FIFO issue. */ 2407253789Srpaulo rsu_write_1(sc, 0xfe5c, 2408253789Srpaulo rsu_read_1(sc, 0xfe5c) | 0x80); 2409253789Srpaulo 2410253789Srpaulo rsu_write_1(sc, R92S_SYS_CLKR, 2411253789Srpaulo rsu_read_1(sc, R92S_SYS_CLKR) & ~R92S_SYS_CPU_CLKSEL); 2412253789Srpaulo 2413253789Srpaulo rsu_write_1(sc, 0xfe1c, 0x80); 2414253789Srpaulo 2415253789Srpaulo /* Make sure TxDMA is ready to download firmware. */ 2416253789Srpaulo for (ntries = 0; ntries < 20; ntries++) { 2417253789Srpaulo reg = rsu_read_1(sc, R92S_TCR); 2418253789Srpaulo if ((reg & (R92S_TCR_IMEM_CHK_RPT | R92S_TCR_EMEM_CHK_RPT)) == 2419253789Srpaulo (R92S_TCR_IMEM_CHK_RPT | R92S_TCR_EMEM_CHK_RPT)) 2420253789Srpaulo break; 2421287892Sadrian rsu_ms_delay(sc, 1); 2422253789Srpaulo } 2423253789Srpaulo if (ntries == 20) { 2424287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RESET | RSU_DEBUG_TX, 2425287727Sadrian "%s: TxDMA is not ready\n", 2426287727Sadrian __func__); 2427253789Srpaulo /* Reset TxDMA. */ 2428253789Srpaulo reg = rsu_read_1(sc, R92S_CR); 2429253789Srpaulo rsu_write_1(sc, R92S_CR, reg & ~R92S_CR_TXDMA_EN); 2430287892Sadrian rsu_ms_delay(sc, 1); 2431253789Srpaulo rsu_write_1(sc, R92S_CR, reg | R92S_CR_TXDMA_EN); 2432253789Srpaulo } 2433253789Srpaulo} 2434253789Srpaulo 2435253789Srpaulostatic void 2436253789Srpaulorsu_power_off(struct rsu_softc *sc) 2437253789Srpaulo{ 2438253789Srpaulo /* Turn RF off. */ 2439253789Srpaulo rsu_write_1(sc, R92S_RF_CTRL, 0x00); 2440287892Sadrian rsu_ms_delay(sc, 5); 2441253789Srpaulo 2442253789Srpaulo /* Turn MAC off. */ 2443253789Srpaulo /* Switch control path. */ 2444253789Srpaulo rsu_write_1(sc, R92S_SYS_CLKR + 1, 0x38); 2445253789Srpaulo /* Reset MACTOP. */ 2446253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 0x70); 2447253789Srpaulo rsu_write_1(sc, R92S_PMC_FSM, 0x06); 2448253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL + 0, 0xf9); 2449253789Srpaulo rsu_write_1(sc, R92S_SYS_ISO_CTRL + 1, 0xe8); 2450253789Srpaulo 2451253789Srpaulo /* Disable AFE PLL. */ 2452253789Srpaulo rsu_write_1(sc, R92S_AFE_PLL_CTRL, 0x00); 2453253789Srpaulo /* Disable A15V. */ 2454253789Srpaulo rsu_write_1(sc, R92S_LDOA15_CTRL, 0x54); 2455253789Srpaulo /* Disable eFuse 1.2V. */ 2456253789Srpaulo rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 0x50); 2457253789Srpaulo rsu_write_1(sc, R92S_LDOV12D_CTRL, 0x24); 2458253789Srpaulo /* Enable AFE macro block's bandgap and Mbias. */ 2459253789Srpaulo rsu_write_1(sc, R92S_AFE_MISC, 0x30); 2460253789Srpaulo /* Disable 1.6V LDO. */ 2461253789Srpaulo rsu_write_1(sc, R92S_SPS0_CTRL + 0, 0x56); 2462253789Srpaulo rsu_write_1(sc, R92S_SPS0_CTRL + 1, 0x43); 2463253789Srpaulo} 2464253789Srpaulo 2465253789Srpaulostatic int 2466253807Srpaulorsu_fw_loadsection(struct rsu_softc *sc, const uint8_t *buf, int len) 2467253789Srpaulo{ 2468267041Shselasky const uint8_t which = rsu_wme_ac_xfer_map[WME_AC_VO]; 2469253789Srpaulo struct rsu_data *data; 2470253789Srpaulo struct r92s_tx_desc *txd; 2471253789Srpaulo int mlen; 2472253789Srpaulo 2473253789Srpaulo while (len > 0) { 2474253789Srpaulo data = rsu_getbuf(sc); 2475253789Srpaulo if (data == NULL) 2476253789Srpaulo return (ENOMEM); 2477253789Srpaulo txd = (struct r92s_tx_desc *)data->buf; 2478253789Srpaulo memset(txd, 0, sizeof(*txd)); 2479253789Srpaulo if (len <= RSU_TXBUFSZ - sizeof(*txd)) { 2480253789Srpaulo /* Last chunk. */ 2481253789Srpaulo txd->txdw0 |= htole32(R92S_TXDW0_LINIP); 2482253789Srpaulo mlen = len; 2483253789Srpaulo } else 2484253789Srpaulo mlen = RSU_TXBUFSZ - sizeof(*txd); 2485253789Srpaulo txd->txdw0 |= htole32(SM(R92S_TXDW0_PKTLEN, mlen)); 2486253789Srpaulo memcpy(&txd[1], buf, mlen); 2487253789Srpaulo data->buflen = sizeof(*txd) + mlen; 2488287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_TX | RSU_DEBUG_FW | RSU_DEBUG_RESET, 2489287727Sadrian "%s: starting transfer %p\n", 2490287727Sadrian __func__, data); 2491266505Shselasky STAILQ_INSERT_TAIL(&sc->sc_tx_pending[which], data, next); 2492253789Srpaulo buf += mlen; 2493253789Srpaulo len -= mlen; 2494253789Srpaulo } 2495267041Shselasky usbd_transfer_start(sc->sc_xfer[which]); 2496253789Srpaulo return (0); 2497253789Srpaulo} 2498253789Srpaulo 2499253789Srpaulostatic int 2500253789Srpaulorsu_load_firmware(struct rsu_softc *sc) 2501253789Srpaulo{ 2502253807Srpaulo const struct r92s_fw_hdr *hdr; 2503253789Srpaulo struct r92s_fw_priv *dmem; 2504287947Sadrian struct ieee80211com *ic = &sc->sc_ic; 2505253807Srpaulo const uint8_t *imem, *emem; 2506253789Srpaulo int imemsz, ememsz; 2507253789Srpaulo const struct firmware *fw; 2508253789Srpaulo size_t size; 2509253789Srpaulo uint32_t reg; 2510253789Srpaulo int ntries, error; 2511253789Srpaulo 2512267041Shselasky if (rsu_read_1(sc, R92S_TCR) & R92S_TCR_FWRDY) { 2513288089Sadrian RSU_DPRINTF(sc, RSU_DEBUG_ANY, 2514287727Sadrian "%s: Firmware already loaded\n", 2515287727Sadrian __func__); 2516267041Shselasky return (0); 2517267041Shselasky } 2518267041Shselasky 2519253789Srpaulo RSU_UNLOCK(sc); 2520253789Srpaulo /* Read firmware image from the filesystem. */ 2521253789Srpaulo if ((fw = firmware_get("rsu-rtl8712fw")) == NULL) { 2522253789Srpaulo device_printf(sc->sc_dev, 2523253789Srpaulo "%s: failed load firmware of file rsu-rtl8712fw\n", 2524253789Srpaulo __func__); 2525253789Srpaulo RSU_LOCK(sc); 2526253789Srpaulo return (ENXIO); 2527253789Srpaulo } 2528253789Srpaulo RSU_LOCK(sc); 2529253789Srpaulo size = fw->datasize; 2530253789Srpaulo if (size < sizeof(*hdr)) { 2531253789Srpaulo device_printf(sc->sc_dev, "firmware too short\n"); 2532253789Srpaulo error = EINVAL; 2533253789Srpaulo goto fail; 2534253789Srpaulo } 2535253807Srpaulo hdr = (const struct r92s_fw_hdr *)fw->data; 2536253789Srpaulo if (hdr->signature != htole16(0x8712) && 2537253789Srpaulo hdr->signature != htole16(0x8192)) { 2538253789Srpaulo device_printf(sc->sc_dev, 2539253789Srpaulo "invalid firmware signature 0x%x\n", 2540253789Srpaulo le16toh(hdr->signature)); 2541253789Srpaulo error = EINVAL; 2542253789Srpaulo goto fail; 2543253789Srpaulo } 2544253789Srpaulo DPRINTF("FW V%d %02x-%02x %02x:%02x\n", le16toh(hdr->version), 2545253789Srpaulo hdr->month, hdr->day, hdr->hour, hdr->minute); 2546253789Srpaulo 2547253789Srpaulo /* Make sure that driver and firmware are in sync. */ 2548253789Srpaulo if (hdr->privsz != htole32(sizeof(*dmem))) { 2549253789Srpaulo device_printf(sc->sc_dev, "unsupported firmware image\n"); 2550253789Srpaulo error = EINVAL; 2551253789Srpaulo goto fail; 2552253789Srpaulo } 2553253789Srpaulo /* Get FW sections sizes. */ 2554253789Srpaulo imemsz = le32toh(hdr->imemsz); 2555253789Srpaulo ememsz = le32toh(hdr->sramsz); 2556253789Srpaulo /* Check that all FW sections fit in image. */ 2557253789Srpaulo if (size < sizeof(*hdr) + imemsz + ememsz) { 2558253789Srpaulo device_printf(sc->sc_dev, "firmware too short\n"); 2559253789Srpaulo error = EINVAL; 2560253789Srpaulo goto fail; 2561253789Srpaulo } 2562253807Srpaulo imem = (const uint8_t *)&hdr[1]; 2563253789Srpaulo emem = imem + imemsz; 2564253789Srpaulo 2565253789Srpaulo /* Load IMEM section. */ 2566253789Srpaulo error = rsu_fw_loadsection(sc, imem, imemsz); 2567253789Srpaulo if (error != 0) { 2568253789Srpaulo device_printf(sc->sc_dev, 2569253789Srpaulo "could not load firmware section %s\n", "IMEM"); 2570253789Srpaulo goto fail; 2571253789Srpaulo } 2572253789Srpaulo /* Wait for load to complete. */ 2573266535Shselasky for (ntries = 0; ntries != 50; ntries++) { 2574287892Sadrian rsu_ms_delay(sc, 10); 2575267041Shselasky reg = rsu_read_1(sc, R92S_TCR); 2576253789Srpaulo if (reg & R92S_TCR_IMEM_CODE_DONE) 2577253789Srpaulo break; 2578253789Srpaulo } 2579266535Shselasky if (ntries == 50) { 2580266535Shselasky device_printf(sc->sc_dev, "timeout waiting for IMEM transfer\n"); 2581253789Srpaulo error = ETIMEDOUT; 2582253789Srpaulo goto fail; 2583253789Srpaulo } 2584253789Srpaulo /* Load EMEM section. */ 2585253789Srpaulo error = rsu_fw_loadsection(sc, emem, ememsz); 2586253789Srpaulo if (error != 0) { 2587253789Srpaulo device_printf(sc->sc_dev, 2588253789Srpaulo "could not load firmware section %s\n", "EMEM"); 2589253789Srpaulo goto fail; 2590253789Srpaulo } 2591253789Srpaulo /* Wait for load to complete. */ 2592266542Shselasky for (ntries = 0; ntries != 50; ntries++) { 2593287892Sadrian rsu_ms_delay(sc, 10); 2594253789Srpaulo reg = rsu_read_2(sc, R92S_TCR); 2595253789Srpaulo if (reg & R92S_TCR_EMEM_CODE_DONE) 2596253789Srpaulo break; 2597253789Srpaulo } 2598266542Shselasky if (ntries == 50) { 2599266535Shselasky device_printf(sc->sc_dev, "timeout waiting for EMEM transfer\n"); 2600253789Srpaulo error = ETIMEDOUT; 2601253789Srpaulo goto fail; 2602253789Srpaulo } 2603253789Srpaulo /* Enable CPU. */ 2604253789Srpaulo rsu_write_1(sc, R92S_SYS_CLKR, 2605253789Srpaulo rsu_read_1(sc, R92S_SYS_CLKR) | R92S_SYS_CPU_CLKSEL); 2606253789Srpaulo if (!(rsu_read_1(sc, R92S_SYS_CLKR) & R92S_SYS_CPU_CLKSEL)) { 2607253789Srpaulo device_printf(sc->sc_dev, "could not enable system clock\n"); 2608253789Srpaulo error = EIO; 2609253789Srpaulo goto fail; 2610253789Srpaulo } 2611253789Srpaulo rsu_write_2(sc, R92S_SYS_FUNC_EN, 2612253789Srpaulo rsu_read_2(sc, R92S_SYS_FUNC_EN) | R92S_FEN_CPUEN); 2613253789Srpaulo if (!(rsu_read_2(sc, R92S_SYS_FUNC_EN) & R92S_FEN_CPUEN)) { 2614253789Srpaulo device_printf(sc->sc_dev, 2615253789Srpaulo "could not enable microcontroller\n"); 2616253789Srpaulo error = EIO; 2617253789Srpaulo goto fail; 2618253789Srpaulo } 2619253789Srpaulo /* Wait for CPU to initialize. */ 2620253789Srpaulo for (ntries = 0; ntries < 100; ntries++) { 2621267041Shselasky if (rsu_read_1(sc, R92S_TCR) & R92S_TCR_IMEM_RDY) 2622253789Srpaulo break; 2623287892Sadrian rsu_ms_delay(sc, 1); 2624253789Srpaulo } 2625253789Srpaulo if (ntries == 100) { 2626253789Srpaulo device_printf(sc->sc_dev, 2627253789Srpaulo "timeout waiting for microcontroller\n"); 2628253789Srpaulo error = ETIMEDOUT; 2629253789Srpaulo goto fail; 2630253789Srpaulo } 2631253789Srpaulo 2632253789Srpaulo /* Update DMEM section before loading. */ 2633253807Srpaulo dmem = __DECONST(struct r92s_fw_priv *, &hdr->priv); 2634253789Srpaulo memset(dmem, 0, sizeof(*dmem)); 2635253789Srpaulo dmem->hci_sel = R92S_HCI_SEL_USB | R92S_HCI_SEL_8172; 2636287897Sadrian dmem->nendpoints = sc->sc_nendpoints; 2637288089Sadrian dmem->chip_version = sc->cut; 2638287897Sadrian /* XXX TODO: rf_config should come from ROM */ 2639287897Sadrian dmem->rf_config = 0x11; /* 1T1R */ 2640253789Srpaulo dmem->vcs_type = R92S_VCS_TYPE_AUTO; 2641253789Srpaulo dmem->vcs_mode = R92S_VCS_MODE_RTS_CTS; 2642287897Sadrian dmem->turbo_mode = 0; 2643287947Sadrian dmem->bw40_en = !! (ic->ic_htcaps & IEEE80211_HTCAP_CHWIDTH40); 2644287947Sadrian dmem->amsdu2ampdu_en = !! (sc->sc_ht); 2645287947Sadrian dmem->ampdu_en = !! (sc->sc_ht); 2646287947Sadrian dmem->agg_offload = !! (sc->sc_ht); 2647287909Sadrian dmem->qos_en = 1; 2648288089Sadrian dmem->ps_offload = 1; 2649288089Sadrian dmem->lowpower_mode = 1; /* XXX TODO: configurable? */ 2650253789Srpaulo /* Load DMEM section. */ 2651253789Srpaulo error = rsu_fw_loadsection(sc, (uint8_t *)dmem, sizeof(*dmem)); 2652253789Srpaulo if (error != 0) { 2653253789Srpaulo device_printf(sc->sc_dev, 2654253789Srpaulo "could not load firmware section %s\n", "DMEM"); 2655253789Srpaulo goto fail; 2656253789Srpaulo } 2657253789Srpaulo /* Wait for load to complete. */ 2658253789Srpaulo for (ntries = 0; ntries < 100; ntries++) { 2659267041Shselasky if (rsu_read_1(sc, R92S_TCR) & R92S_TCR_DMEM_CODE_DONE) 2660253789Srpaulo break; 2661287892Sadrian rsu_ms_delay(sc, 1); 2662253789Srpaulo } 2663253789Srpaulo if (ntries == 100) { 2664253789Srpaulo device_printf(sc->sc_dev, "timeout waiting for %s transfer\n", 2665253789Srpaulo "DMEM"); 2666253789Srpaulo error = ETIMEDOUT; 2667253789Srpaulo goto fail; 2668253789Srpaulo } 2669253789Srpaulo /* Wait for firmware readiness. */ 2670253789Srpaulo for (ntries = 0; ntries < 60; ntries++) { 2671267041Shselasky if (!(rsu_read_1(sc, R92S_TCR) & R92S_TCR_FWRDY)) 2672253789Srpaulo break; 2673287892Sadrian rsu_ms_delay(sc, 1); 2674253789Srpaulo } 2675253789Srpaulo if (ntries == 60) { 2676253789Srpaulo device_printf(sc->sc_dev, 2677253789Srpaulo "timeout waiting for firmware readiness\n"); 2678253789Srpaulo error = ETIMEDOUT; 2679253789Srpaulo goto fail; 2680253789Srpaulo } 2681253789Srpaulo fail: 2682253789Srpaulo firmware_put(fw, FIRMWARE_UNLOAD); 2683253789Srpaulo return (error); 2684253789Srpaulo} 2685253789Srpaulo 2686253789Srpaulo 2687253789Srpaulostatic int 2688253789Srpaulorsu_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2689253789Srpaulo const struct ieee80211_bpf_params *params) 2690253789Srpaulo{ 2691253789Srpaulo struct ieee80211com *ic = ni->ni_ic; 2692286950Sadrian struct rsu_softc *sc = ic->ic_softc; 2693253789Srpaulo struct rsu_data *bf; 2694253789Srpaulo 2695253789Srpaulo /* prevent management frames from being sent if we're not ready */ 2696287197Sglebius if (!sc->sc_running) { 2697253789Srpaulo m_freem(m); 2698253789Srpaulo ieee80211_free_node(ni); 2699253789Srpaulo return (ENETDOWN); 2700253789Srpaulo } 2701253789Srpaulo RSU_LOCK(sc); 2702253789Srpaulo bf = rsu_getbuf(sc); 2703253789Srpaulo if (bf == NULL) { 2704253789Srpaulo ieee80211_free_node(ni); 2705253789Srpaulo m_freem(m); 2706253789Srpaulo RSU_UNLOCK(sc); 2707253789Srpaulo return (ENOBUFS); 2708253789Srpaulo } 2709266505Shselasky if (rsu_tx_start(sc, ni, m, bf) != 0) { 2710253789Srpaulo ieee80211_free_node(ni); 2711287953Sadrian rsu_freebuf(sc, bf); 2712253789Srpaulo RSU_UNLOCK(sc); 2713253789Srpaulo return (EIO); 2714253789Srpaulo } 2715253789Srpaulo RSU_UNLOCK(sc); 2716253789Srpaulo 2717253789Srpaulo return (0); 2718253789Srpaulo} 2719253789Srpaulo 2720253789Srpaulostatic void 2721287197Sglebiusrsu_init(struct rsu_softc *sc) 2722253789Srpaulo{ 2723287197Sglebius struct ieee80211com *ic = &sc->sc_ic; 2724287197Sglebius struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2725287197Sglebius uint8_t macaddr[IEEE80211_ADDR_LEN]; 2726253789Srpaulo int error; 2727266535Shselasky int i; 2728253789Srpaulo 2729287197Sglebius RSU_ASSERT_LOCKED(sc); 2730287197Sglebius 2731288051Sadrian /* Ensure the mbuf queue is drained */ 2732288051Sadrian rsu_drain_mbufq(sc); 2733288051Sadrian 2734253789Srpaulo /* Init host async commands ring. */ 2735253789Srpaulo sc->cmdq.cur = sc->cmdq.next = sc->cmdq.queued = 0; 2736253789Srpaulo 2737288089Sadrian /* Reset power management state. */ 2738288089Sadrian rsu_write_1(sc, R92S_USB_HRPWM, 0); 2739288089Sadrian 2740253789Srpaulo /* Power on adapter. */ 2741253789Srpaulo if (sc->cut == 1) 2742253789Srpaulo rsu_power_on_acut(sc); 2743253789Srpaulo else 2744253789Srpaulo rsu_power_on_bcut(sc); 2745267041Shselasky 2746253789Srpaulo /* Load firmware. */ 2747253789Srpaulo error = rsu_load_firmware(sc); 2748253789Srpaulo if (error != 0) 2749253789Srpaulo goto fail; 2750253789Srpaulo 2751253789Srpaulo /* Enable Rx TCP checksum offload. */ 2752253789Srpaulo rsu_write_4(sc, R92S_RCR, 2753253789Srpaulo rsu_read_4(sc, R92S_RCR) | 0x04000000); 2754253789Srpaulo /* Append PHY status. */ 2755253789Srpaulo rsu_write_4(sc, R92S_RCR, 2756253789Srpaulo rsu_read_4(sc, R92S_RCR) | 0x02000000); 2757253789Srpaulo 2758253789Srpaulo rsu_write_4(sc, R92S_CR, 2759253789Srpaulo rsu_read_4(sc, R92S_CR) & ~0xff000000); 2760253789Srpaulo 2761253789Srpaulo /* Use 128 bytes pages. */ 2762253789Srpaulo rsu_write_1(sc, 0x00b5, 2763253789Srpaulo rsu_read_1(sc, 0x00b5) | 0x01); 2764253789Srpaulo /* Enable USB Rx aggregation. */ 2765253789Srpaulo rsu_write_1(sc, 0x00bd, 2766253789Srpaulo rsu_read_1(sc, 0x00bd) | 0x80); 2767253789Srpaulo /* Set USB Rx aggregation threshold. */ 2768253789Srpaulo rsu_write_1(sc, 0x00d9, 0x01); 2769253789Srpaulo /* Set USB Rx aggregation timeout (1.7ms/4). */ 2770253789Srpaulo rsu_write_1(sc, 0xfe5b, 0x04); 2771253789Srpaulo /* Fix USB Rx FIFO issue. */ 2772253789Srpaulo rsu_write_1(sc, 0xfe5c, 2773253789Srpaulo rsu_read_1(sc, 0xfe5c) | 0x80); 2774253789Srpaulo 2775253789Srpaulo /* Set MAC address. */ 2776287197Sglebius IEEE80211_ADDR_COPY(macaddr, vap ? vap->iv_myaddr : ic->ic_macaddr); 2777287197Sglebius rsu_write_region_1(sc, R92S_MACID, macaddr, IEEE80211_ADDR_LEN); 2778253789Srpaulo 2779266471Shselasky /* It really takes 1.5 seconds for the firmware to boot: */ 2780287892Sadrian rsu_ms_delay(sc, 2000); 2781253789Srpaulo 2782287727Sadrian RSU_DPRINTF(sc, RSU_DEBUG_RESET, "%s: setting MAC address to %s\n", 2783287727Sadrian __func__, 2784287727Sadrian ether_sprintf(macaddr)); 2785287197Sglebius error = rsu_fw_cmd(sc, R92S_CMD_SET_MAC_ADDRESS, macaddr, 2786253789Srpaulo IEEE80211_ADDR_LEN); 2787253789Srpaulo if (error != 0) { 2788253789Srpaulo device_printf(sc->sc_dev, "could not set MAC address\n"); 2789253789Srpaulo goto fail; 2790253789Srpaulo } 2791253789Srpaulo 2792288089Sadrian /* Set PS mode fully active */ 2793288089Sadrian error = rsu_set_fw_power_state(sc, RSU_PWR_ACTIVE); 2794253789Srpaulo 2795253789Srpaulo if (error != 0) { 2796253789Srpaulo device_printf(sc->sc_dev, "could not set PS mode\n"); 2797253789Srpaulo goto fail; 2798253789Srpaulo } 2799253789Srpaulo 2800287947Sadrian if (ic->ic_htcaps & IEEE80211_HTCAP_CHWIDTH40) { 2801253789Srpaulo /* Enable 40MHz mode. */ 2802253789Srpaulo error = rsu_fw_iocmd(sc, 2803253789Srpaulo SM(R92S_IOCMD_CLASS, 0xf4) | 2804253789Srpaulo SM(R92S_IOCMD_INDEX, 0x00) | 2805253789Srpaulo SM(R92S_IOCMD_VALUE, 0x0007)); 2806253789Srpaulo if (error != 0) { 2807253789Srpaulo device_printf(sc->sc_dev, 2808253789Srpaulo "could not enable 40MHz mode\n"); 2809253789Srpaulo goto fail; 2810253789Srpaulo } 2811253789Srpaulo } 2812253789Srpaulo 2813287197Sglebius sc->sc_scan_pass = 0; 2814253789Srpaulo usbd_transfer_start(sc->sc_xfer[RSU_BULK_RX]); 2815253789Srpaulo 2816253789Srpaulo /* We're ready to go. */ 2817287197Sglebius sc->sc_running = 1; 2818287954Sadrian sc->sc_scanning = 0; 2819253789Srpaulo return; 2820253789Srpaulofail: 2821266535Shselasky /* Need to stop all failed transfers, if any */ 2822266535Shselasky for (i = 0; i != RSU_N_TRANSFER; i++) 2823266535Shselasky usbd_transfer_stop(sc->sc_xfer[i]); 2824253789Srpaulo} 2825253789Srpaulo 2826253789Srpaulostatic void 2827287197Sglebiusrsu_stop(struct rsu_softc *sc) 2828253789Srpaulo{ 2829253789Srpaulo int i; 2830253789Srpaulo 2831287197Sglebius sc->sc_running = 0; 2832253789Srpaulo sc->sc_calibrating = 0; 2833253789Srpaulo taskqueue_cancel_timeout(taskqueue_thread, &sc->calib_task, NULL); 2834288052Sadrian taskqueue_cancel(taskqueue_thread, &sc->tx_task, NULL); 2835253789Srpaulo 2836253789Srpaulo /* Power off adapter. */ 2837253789Srpaulo rsu_power_off(sc); 2838253789Srpaulo 2839253789Srpaulo for (i = 0; i < RSU_N_TRANSFER; i++) 2840253789Srpaulo usbd_transfer_stop(sc->sc_xfer[i]); 2841288051Sadrian 2842288051Sadrian /* Ensure the mbuf queue is drained */ 2843288051Sadrian rsu_drain_mbufq(sc); 2844253789Srpaulo} 2845253789Srpaulo 2846287892Sadrian/* 2847287892Sadrian * Note: usb_pause_mtx() actually releases the mutex before calling pause(), 2848287892Sadrian * which breaks any kind of driver serialisation. 2849287892Sadrian */ 2850266471Shselaskystatic void 2851287892Sadrianrsu_ms_delay(struct rsu_softc *sc, int ms) 2852266471Shselasky{ 2853287892Sadrian 2854287892Sadrian //usb_pause_mtx(&sc->sc_mtx, hz / 1000); 2855287892Sadrian DELAY(ms * 1000); 2856266471Shselasky} 2857