1 /*- 2 * Copyright (c) 2008,2010 Damien Bergamini <damien.bergamini@free.fr> 3 * ported to FreeBSD by Akinori Furukoshi <moonlightakkiy@yahoo.ca> 4 * USB Consulting, Hans Petter Selasky <hselasky@freebsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/cdefs.h> 20 __FBSDID("$FreeBSD$"); 21 22 /*- 23 * Ralink Technology RT2700U/RT2800U/RT3000U chipset driver. 24 * http://www.ralinktech.com/ 25 */ 26 27 #include <sys/param.h> 28 #include <sys/sockio.h> 29 #include <sys/sysctl.h> 30 #include <sys/lock.h> 31 #include <sys/mutex.h> 32 #include <sys/mbuf.h> 33 #include <sys/kernel.h> 34 #include <sys/socket.h> 35 #include <sys/systm.h> 36 #include <sys/malloc.h> 37 #include <sys/module.h> 38 #include <sys/bus.h> 39 #include <sys/endian.h> 40 #include <sys/linker.h> 41 #include <sys/firmware.h> 42 #include <sys/kdb.h> 43 44 #include <machine/bus.h> 45 #include <machine/resource.h> 46 #include <sys/rman.h> 47 48 #include <net/bpf.h> 49 #include <net/if.h> 50 #include <net/if_arp.h> 51 #include <net/ethernet.h> 52 #include <net/if_dl.h> 53 #include <net/if_media.h> 54 #include <net/if_types.h> 55 56 #include <netinet/in.h> 57 #include <netinet/in_systm.h> 58 #include <netinet/in_var.h> 59 #include <netinet/if_ether.h> 60 #include <netinet/ip.h> 61 62 #include <net80211/ieee80211_var.h> 63 #include <net80211/ieee80211_regdomain.h> 64 #include <net80211/ieee80211_radiotap.h> 65 #include <net80211/ieee80211_ratectl.h> 66 67 #include <dev/usb/usb.h> 68 #include <dev/usb/usbdi.h> 69 #include "usbdevs.h" 70 71 #define USB_DEBUG_VAR run_debug 72 #include <dev/usb/usb_debug.h> 73 74 #include <dev/usb/wlan/if_runreg.h> 75 #include <dev/usb/wlan/if_runvar.h> 76 77 #define N(_a) ((int)(sizeof((_a)) / sizeof((_a)[0]))) 78 79 #ifdef USB_DEBUG 80 #define RUN_DEBUG 81 #endif 82 83 #ifdef RUN_DEBUG 84 int run_debug = 0; 85 static SYSCTL_NODE(_hw_usb, OID_AUTO, run, CTLFLAG_RW, 0, "USB run"); 86 SYSCTL_INT(_hw_usb_run, OID_AUTO, debug, CTLFLAG_RW, &run_debug, 0, 87 "run debug level"); 88 #endif 89 90 #define IEEE80211_HAS_ADDR4(wh) \ 91 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) 92 93 /* 94 * Because of LOR in run_key_delete(), use atomic instead. 95 * '& RUN_CMDQ_MASQ' is to loop cmdq[]. 96 */ 97 #define RUN_CMDQ_GET(c) (atomic_fetchadd_32((c), 1) & RUN_CMDQ_MASQ) 98 99 static const STRUCT_USB_HOST_ID run_devs[] = { 100 #define RUN_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) } 101 RUN_DEV(ABOCOM, RT2770), 102 RUN_DEV(ABOCOM, RT2870), 103 RUN_DEV(ABOCOM, RT3070), 104 RUN_DEV(ABOCOM, RT3071), 105 RUN_DEV(ABOCOM, RT3072), 106 RUN_DEV(ABOCOM2, RT2870_1), 107 RUN_DEV(ACCTON, RT2770), 108 RUN_DEV(ACCTON, RT2870_1), 109 RUN_DEV(ACCTON, RT2870_2), 110 RUN_DEV(ACCTON, RT2870_3), 111 RUN_DEV(ACCTON, RT2870_4), 112 RUN_DEV(ACCTON, RT2870_5), 113 RUN_DEV(ACCTON, RT3070), 114 RUN_DEV(ACCTON, RT3070_1), 115 RUN_DEV(ACCTON, RT3070_2), 116 RUN_DEV(ACCTON, RT3070_3), 117 RUN_DEV(ACCTON, RT3070_4), 118 RUN_DEV(ACCTON, RT3070_5), 119 RUN_DEV(AIRTIES, RT3070), 120 RUN_DEV(ALLWIN, RT2070), 121 RUN_DEV(ALLWIN, RT2770), 122 RUN_DEV(ALLWIN, RT2870), 123 RUN_DEV(ALLWIN, RT3070), 124 RUN_DEV(ALLWIN, RT3071), 125 RUN_DEV(ALLWIN, RT3072), 126 RUN_DEV(ALLWIN, RT3572), 127 RUN_DEV(AMIGO, RT2870_1), 128 RUN_DEV(AMIGO, RT2870_2), 129 RUN_DEV(AMIT, CGWLUSB2GNR), 130 RUN_DEV(AMIT, RT2870_1), 131 RUN_DEV(AMIT2, RT2870), 132 RUN_DEV(ASUS, RT2870_1), 133 RUN_DEV(ASUS, RT2870_2), 134 RUN_DEV(ASUS, RT2870_3), 135 RUN_DEV(ASUS, RT2870_4), 136 RUN_DEV(ASUS, RT2870_5), 137 RUN_DEV(ASUS, USBN13), 138 RUN_DEV(ASUS, RT3070_1), 139 RUN_DEV(ASUS2, USBN11), 140 RUN_DEV(AZUREWAVE, RT2870_1), 141 RUN_DEV(AZUREWAVE, RT2870_2), 142 RUN_DEV(AZUREWAVE, RT3070_1), 143 RUN_DEV(AZUREWAVE, RT3070_2), 144 RUN_DEV(AZUREWAVE, RT3070_3), 145 RUN_DEV(BELKIN, F5D8053V3), 146 RUN_DEV(BELKIN, F5D8055), 147 RUN_DEV(BELKIN, F5D8055V2), 148 RUN_DEV(BELKIN, F6D4050V1), 149 RUN_DEV(BELKIN, RT2870_1), 150 RUN_DEV(BELKIN, RT2870_2), 151 RUN_DEV(CISCOLINKSYS, AE1000), 152 RUN_DEV(CISCOLINKSYS2, RT3070), 153 RUN_DEV(CISCOLINKSYS3, RT3070), 154 RUN_DEV(CONCEPTRONIC2, RT2870_1), 155 RUN_DEV(CONCEPTRONIC2, RT2870_2), 156 RUN_DEV(CONCEPTRONIC2, RT2870_3), 157 RUN_DEV(CONCEPTRONIC2, RT2870_4), 158 RUN_DEV(CONCEPTRONIC2, RT2870_5), 159 RUN_DEV(CONCEPTRONIC2, RT2870_6), 160 RUN_DEV(CONCEPTRONIC2, RT2870_7), 161 RUN_DEV(CONCEPTRONIC2, RT2870_8), 162 RUN_DEV(CONCEPTRONIC2, RT3070_1), 163 RUN_DEV(CONCEPTRONIC2, RT3070_2), 164 RUN_DEV(CONCEPTRONIC2, VIGORN61), 165 RUN_DEV(COREGA, CGWLUSB300GNM), 166 RUN_DEV(COREGA, RT2870_1), 167 RUN_DEV(COREGA, RT2870_2), 168 RUN_DEV(COREGA, RT2870_3), 169 RUN_DEV(COREGA, RT3070), 170 RUN_DEV(CYBERTAN, RT2870), 171 RUN_DEV(DLINK, RT2870), 172 RUN_DEV(DLINK, RT3072), 173 RUN_DEV(DLINK2, DWA130), 174 RUN_DEV(DLINK2, RT2870_1), 175 RUN_DEV(DLINK2, RT2870_2), 176 RUN_DEV(DLINK2, RT3070_1), 177 RUN_DEV(DLINK2, RT3070_2), 178 RUN_DEV(DLINK2, RT3070_3), 179 RUN_DEV(DLINK2, RT3070_4), 180 RUN_DEV(DLINK2, RT3070_5), 181 RUN_DEV(DLINK2, RT3072), 182 RUN_DEV(DLINK2, RT3072_1), 183 RUN_DEV(EDIMAX, EW7717), 184 RUN_DEV(EDIMAX, EW7718), 185 RUN_DEV(EDIMAX, RT2870_1), 186 RUN_DEV(ENCORE, RT3070_1), 187 RUN_DEV(ENCORE, RT3070_2), 188 RUN_DEV(ENCORE, RT3070_3), 189 RUN_DEV(GIGABYTE, GNWB31N), 190 RUN_DEV(GIGABYTE, GNWB32L), 191 RUN_DEV(GIGABYTE, RT2870_1), 192 RUN_DEV(GIGASET, RT3070_1), 193 RUN_DEV(GIGASET, RT3070_2), 194 RUN_DEV(GUILLEMOT, HWNU300), 195 RUN_DEV(HAWKING, HWUN2), 196 RUN_DEV(HAWKING, RT2870_1), 197 RUN_DEV(HAWKING, RT2870_2), 198 RUN_DEV(HAWKING, RT3070), 199 RUN_DEV(IODATA, RT3072_1), 200 RUN_DEV(IODATA, RT3072_2), 201 RUN_DEV(IODATA, RT3072_3), 202 RUN_DEV(IODATA, RT3072_4), 203 RUN_DEV(LINKSYS4, RT3070), 204 RUN_DEV(LINKSYS4, WUSB100), 205 RUN_DEV(LINKSYS4, WUSB54GCV3), 206 RUN_DEV(LINKSYS4, WUSB600N), 207 RUN_DEV(LINKSYS4, WUSB600NV2), 208 RUN_DEV(LOGITEC, RT2870_1), 209 RUN_DEV(LOGITEC, RT2870_2), 210 RUN_DEV(LOGITEC, RT2870_3), 211 RUN_DEV(LOGITEC, LANW300NU2), 212 RUN_DEV(MELCO, RT2870_1), 213 RUN_DEV(MELCO, RT2870_2), 214 RUN_DEV(MELCO, WLIUCAG300N), 215 RUN_DEV(MELCO, WLIUCG300N), 216 RUN_DEV(MELCO, WLIUCG301N), 217 RUN_DEV(MELCO, WLIUCGN), 218 RUN_DEV(MELCO, WLIUCGNM), 219 RUN_DEV(MOTOROLA4, RT2770), 220 RUN_DEV(MOTOROLA4, RT3070), 221 RUN_DEV(MSI, RT3070_1), 222 RUN_DEV(MSI, RT3070_2), 223 RUN_DEV(MSI, RT3070_3), 224 RUN_DEV(MSI, RT3070_4), 225 RUN_DEV(MSI, RT3070_5), 226 RUN_DEV(MSI, RT3070_6), 227 RUN_DEV(MSI, RT3070_7), 228 RUN_DEV(MSI, RT3070_8), 229 RUN_DEV(MSI, RT3070_9), 230 RUN_DEV(MSI, RT3070_10), 231 RUN_DEV(MSI, RT3070_11), 232 RUN_DEV(OVISLINK, RT3072), 233 RUN_DEV(PARA, RT3070), 234 RUN_DEV(PEGATRON, RT2870), 235 RUN_DEV(PEGATRON, RT3070), 236 RUN_DEV(PEGATRON, RT3070_2), 237 RUN_DEV(PEGATRON, RT3070_3), 238 RUN_DEV(PHILIPS, RT2870), 239 RUN_DEV(PLANEX2, GWUS300MINIS), 240 RUN_DEV(PLANEX2, GWUSMICRON), 241 RUN_DEV(PLANEX2, RT2870), 242 RUN_DEV(PLANEX2, RT3070), 243 RUN_DEV(QCOM, RT2870), 244 RUN_DEV(QUANTA, RT3070), 245 RUN_DEV(RALINK, RT2070), 246 RUN_DEV(RALINK, RT2770), 247 RUN_DEV(RALINK, RT2870), 248 RUN_DEV(RALINK, RT3070), 249 RUN_DEV(RALINK, RT3071), 250 RUN_DEV(RALINK, RT3072), 251 RUN_DEV(RALINK, RT3370), 252 RUN_DEV(RALINK, RT3572), 253 RUN_DEV(RALINK, RT8070), 254 RUN_DEV(SAMSUNG, WIS09ABGN), 255 RUN_DEV(SAMSUNG2, RT2870_1), 256 RUN_DEV(SENAO, RT2870_1), 257 RUN_DEV(SENAO, RT2870_2), 258 RUN_DEV(SENAO, RT2870_3), 259 RUN_DEV(SENAO, RT2870_4), 260 RUN_DEV(SENAO, RT3070), 261 RUN_DEV(SENAO, RT3071), 262 RUN_DEV(SENAO, RT3072_1), 263 RUN_DEV(SENAO, RT3072_2), 264 RUN_DEV(SENAO, RT3072_3), 265 RUN_DEV(SENAO, RT3072_4), 266 RUN_DEV(SENAO, RT3072_5), 267 RUN_DEV(SITECOMEU, RT2770), 268 RUN_DEV(SITECOMEU, RT2870_1), 269 RUN_DEV(SITECOMEU, RT2870_2), 270 RUN_DEV(SITECOMEU, RT2870_3), 271 RUN_DEV(SITECOMEU, RT2870_4), 272 RUN_DEV(SITECOMEU, RT3070), 273 RUN_DEV(SITECOMEU, RT3070_2), 274 RUN_DEV(SITECOMEU, RT3070_3), 275 RUN_DEV(SITECOMEU, RT3070_4), 276 RUN_DEV(SITECOMEU, RT3071), 277 RUN_DEV(SITECOMEU, RT3072_1), 278 RUN_DEV(SITECOMEU, RT3072_2), 279 RUN_DEV(SITECOMEU, RT3072_3), 280 RUN_DEV(SITECOMEU, RT3072_4), 281 RUN_DEV(SITECOMEU, RT3072_5), 282 RUN_DEV(SITECOMEU, RT3072_6), 283 RUN_DEV(SITECOMEU, WL608), 284 RUN_DEV(SPARKLAN, RT2870_1), 285 RUN_DEV(SPARKLAN, RT3070), 286 RUN_DEV(SWEEX2, LW153), 287 RUN_DEV(SWEEX2, LW303), 288 RUN_DEV(SWEEX2, LW313), 289 RUN_DEV(TOSHIBA, RT3070), 290 RUN_DEV(UMEDIA, RT2870_1), 291 RUN_DEV(ZCOM, RT2870_1), 292 RUN_DEV(ZCOM, RT2870_2), 293 RUN_DEV(ZINWELL, RT2870_1), 294 RUN_DEV(ZINWELL, RT2870_2), 295 RUN_DEV(ZINWELL, RT3070), 296 RUN_DEV(ZINWELL, RT3072_1), 297 RUN_DEV(ZINWELL, RT3072_2), 298 RUN_DEV(ZYXEL, RT2870_1), 299 RUN_DEV(ZYXEL, RT2870_2), 300 #undef RUN_DEV 301 }; 302 303 static device_probe_t run_match; 304 static device_attach_t run_attach; 305 static device_detach_t run_detach; 306 307 static usb_callback_t run_bulk_rx_callback; 308 static usb_callback_t run_bulk_tx_callback0; 309 static usb_callback_t run_bulk_tx_callback1; 310 static usb_callback_t run_bulk_tx_callback2; 311 static usb_callback_t run_bulk_tx_callback3; 312 static usb_callback_t run_bulk_tx_callback4; 313 static usb_callback_t run_bulk_tx_callback5; 314 315 static void run_bulk_tx_callbackN(struct usb_xfer *xfer, 316 usb_error_t error, unsigned int index); 317 static struct ieee80211vap *run_vap_create(struct ieee80211com *, 318 const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 319 const uint8_t [IEEE80211_ADDR_LEN], 320 const uint8_t [IEEE80211_ADDR_LEN]); 321 static void run_vap_delete(struct ieee80211vap *); 322 static void run_cmdq_cb(void *, int); 323 static void run_setup_tx_list(struct run_softc *, 324 struct run_endpoint_queue *); 325 static void run_unsetup_tx_list(struct run_softc *, 326 struct run_endpoint_queue *); 327 static int run_load_microcode(struct run_softc *); 328 static int run_reset(struct run_softc *); 329 static usb_error_t run_do_request(struct run_softc *, 330 struct usb_device_request *, void *); 331 static int run_read(struct run_softc *, uint16_t, uint32_t *); 332 static int run_read_region_1(struct run_softc *, uint16_t, uint8_t *, int); 333 static int run_write_2(struct run_softc *, uint16_t, uint16_t); 334 static int run_write(struct run_softc *, uint16_t, uint32_t); 335 static int run_write_region_1(struct run_softc *, uint16_t, 336 const uint8_t *, int); 337 static int run_set_region_4(struct run_softc *, uint16_t, uint32_t, int); 338 static int run_efuse_read_2(struct run_softc *, uint16_t, uint16_t *); 339 static int run_eeprom_read_2(struct run_softc *, uint16_t, uint16_t *); 340 static int run_rt2870_rf_write(struct run_softc *, uint8_t, uint32_t); 341 static int run_rt3070_rf_read(struct run_softc *, uint8_t, uint8_t *); 342 static int run_rt3070_rf_write(struct run_softc *, uint8_t, uint8_t); 343 static int run_bbp_read(struct run_softc *, uint8_t, uint8_t *); 344 static int run_bbp_write(struct run_softc *, uint8_t, uint8_t); 345 static int run_mcu_cmd(struct run_softc *, uint8_t, uint16_t); 346 static const char *run_get_rf(int); 347 static int run_read_eeprom(struct run_softc *); 348 static struct ieee80211_node *run_node_alloc(struct ieee80211vap *, 349 const uint8_t mac[IEEE80211_ADDR_LEN]); 350 static int run_media_change(struct ifnet *); 351 static int run_newstate(struct ieee80211vap *, enum ieee80211_state, int); 352 static int run_wme_update(struct ieee80211com *); 353 static void run_wme_update_cb(void *); 354 static void run_key_update_begin(struct ieee80211vap *); 355 static void run_key_update_end(struct ieee80211vap *); 356 static void run_key_set_cb(void *); 357 static int run_key_set(struct ieee80211vap *, struct ieee80211_key *, 358 const uint8_t mac[IEEE80211_ADDR_LEN]); 359 static void run_key_delete_cb(void *); 360 static int run_key_delete(struct ieee80211vap *, struct ieee80211_key *); 361 static void run_ratectl_to(void *); 362 static void run_ratectl_cb(void *, int); 363 static void run_drain_fifo(void *); 364 static void run_iter_func(void *, struct ieee80211_node *); 365 static void run_newassoc_cb(void *); 366 static void run_newassoc(struct ieee80211_node *, int); 367 static void run_rx_frame(struct run_softc *, struct mbuf *, uint32_t); 368 static void run_tx_free(struct run_endpoint_queue *pq, 369 struct run_tx_data *, int); 370 static void run_set_tx_desc(struct run_softc *, struct run_tx_data *); 371 static int run_tx(struct run_softc *, struct mbuf *, 372 struct ieee80211_node *); 373 static int run_tx_mgt(struct run_softc *, struct mbuf *, 374 struct ieee80211_node *); 375 static int run_sendprot(struct run_softc *, const struct mbuf *, 376 struct ieee80211_node *, int, int); 377 static int run_tx_param(struct run_softc *, struct mbuf *, 378 struct ieee80211_node *, 379 const struct ieee80211_bpf_params *); 380 static int run_raw_xmit(struct ieee80211_node *, struct mbuf *, 381 const struct ieee80211_bpf_params *); 382 static void run_start(struct ifnet *); 383 static int run_ioctl(struct ifnet *, u_long, caddr_t); 384 static void run_set_agc(struct run_softc *, uint8_t); 385 static void run_select_chan_group(struct run_softc *, int); 386 static void run_set_rx_antenna(struct run_softc *, int); 387 static void run_rt2870_set_chan(struct run_softc *, u_int); 388 static void run_rt3070_set_chan(struct run_softc *, u_int); 389 static void run_rt3572_set_chan(struct run_softc *, u_int); 390 static int run_set_chan(struct run_softc *, struct ieee80211_channel *); 391 static void run_set_channel(struct ieee80211com *); 392 static void run_scan_start(struct ieee80211com *); 393 static void run_scan_end(struct ieee80211com *); 394 static void run_update_beacon(struct ieee80211vap *, int); 395 static void run_update_beacon_cb(void *); 396 static void run_updateprot(struct ieee80211com *); 397 static void run_updateprot_cb(void *); 398 static void run_usb_timeout_cb(void *); 399 static void run_reset_livelock(struct run_softc *); 400 static void run_enable_tsf_sync(struct run_softc *); 401 static void run_enable_mrr(struct run_softc *); 402 static void run_set_txpreamble(struct run_softc *); 403 static void run_set_basicrates(struct run_softc *); 404 static void run_set_leds(struct run_softc *, uint16_t); 405 static void run_set_bssid(struct run_softc *, const uint8_t *); 406 static void run_set_macaddr(struct run_softc *, const uint8_t *); 407 static void run_updateslot(struct ifnet *); 408 static void run_updateslot_cb(void *); 409 static void run_update_mcast(struct ifnet *); 410 static int8_t run_rssi2dbm(struct run_softc *, uint8_t, uint8_t); 411 static void run_update_promisc_locked(struct ifnet *); 412 static void run_update_promisc(struct ifnet *); 413 static int run_bbp_init(struct run_softc *); 414 static int run_rt3070_rf_init(struct run_softc *); 415 static int run_rt3070_filter_calib(struct run_softc *, uint8_t, uint8_t, 416 uint8_t *); 417 static void run_rt3070_rf_setup(struct run_softc *); 418 static int run_txrx_enable(struct run_softc *); 419 static void run_init(void *); 420 static void run_init_locked(struct run_softc *); 421 static void run_stop(void *); 422 static void run_delay(struct run_softc *, unsigned int); 423 424 static const struct { 425 uint16_t reg; 426 uint32_t val; 427 } rt2870_def_mac[] = { 428 RT2870_DEF_MAC 429 }; 430 431 static const struct { 432 uint8_t reg; 433 uint8_t val; 434 } rt2860_def_bbp[] = { 435 RT2860_DEF_BBP 436 }; 437 438 static const struct rfprog { 439 uint8_t chan; 440 uint32_t r1, r2, r3, r4; 441 } rt2860_rf2850[] = { 442 RT2860_RF2850 443 }; 444 445 struct { 446 uint8_t n, r, k; 447 } rt3070_freqs[] = { 448 RT3070_RF3052 449 }; 450 451 static const struct { 452 uint8_t reg; 453 uint8_t val; 454 } rt3070_def_rf[] = { 455 RT3070_DEF_RF 456 },rt3572_def_rf[] = { 457 RT3572_DEF_RF 458 }; 459 460 static const struct usb_config run_config[RUN_N_XFER] = { 461 [RUN_BULK_TX_BE] = { 462 .type = UE_BULK, 463 .endpoint = UE_ADDR_ANY, 464 .ep_index = 0, 465 .direction = UE_DIR_OUT, 466 .bufsize = RUN_MAX_TXSZ, 467 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 468 .callback = run_bulk_tx_callback0, 469 .timeout = 5000, /* ms */ 470 }, 471 [RUN_BULK_TX_BK] = { 472 .type = UE_BULK, 473 .endpoint = UE_ADDR_ANY, 474 .direction = UE_DIR_OUT, 475 .ep_index = 1, 476 .bufsize = RUN_MAX_TXSZ, 477 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 478 .callback = run_bulk_tx_callback1, 479 .timeout = 5000, /* ms */ 480 }, 481 [RUN_BULK_TX_VI] = { 482 .type = UE_BULK, 483 .endpoint = UE_ADDR_ANY, 484 .direction = UE_DIR_OUT, 485 .ep_index = 2, 486 .bufsize = RUN_MAX_TXSZ, 487 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 488 .callback = run_bulk_tx_callback2, 489 .timeout = 5000, /* ms */ 490 }, 491 [RUN_BULK_TX_VO] = { 492 .type = UE_BULK, 493 .endpoint = UE_ADDR_ANY, 494 .direction = UE_DIR_OUT, 495 .ep_index = 3, 496 .bufsize = RUN_MAX_TXSZ, 497 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 498 .callback = run_bulk_tx_callback3, 499 .timeout = 5000, /* ms */ 500 }, 501 [RUN_BULK_TX_HCCA] = { 502 .type = UE_BULK, 503 .endpoint = UE_ADDR_ANY, 504 .direction = UE_DIR_OUT, 505 .ep_index = 4, 506 .bufsize = RUN_MAX_TXSZ, 507 .flags = {.pipe_bof = 1,.force_short_xfer = 1,.no_pipe_ok = 1,}, 508 .callback = run_bulk_tx_callback4, 509 .timeout = 5000, /* ms */ 510 }, 511 [RUN_BULK_TX_PRIO] = { 512 .type = UE_BULK, 513 .endpoint = UE_ADDR_ANY, 514 .direction = UE_DIR_OUT, 515 .ep_index = 5, 516 .bufsize = RUN_MAX_TXSZ, 517 .flags = {.pipe_bof = 1,.force_short_xfer = 1,.no_pipe_ok = 1,}, 518 .callback = run_bulk_tx_callback5, 519 .timeout = 5000, /* ms */ 520 }, 521 [RUN_BULK_RX] = { 522 .type = UE_BULK, 523 .endpoint = UE_ADDR_ANY, 524 .direction = UE_DIR_IN, 525 .bufsize = RUN_MAX_RXSZ, 526 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 527 .callback = run_bulk_rx_callback, 528 } 529 }; 530 531 static int 532 run_match(device_t self) 533 { 534 struct usb_attach_arg *uaa = device_get_ivars(self); 535 536 if (uaa->usb_mode != USB_MODE_HOST) 537 return (ENXIO); 538 if (uaa->info.bConfigIndex != 0) 539 return (ENXIO); 540 if (uaa->info.bIfaceIndex != RT2860_IFACE_INDEX) 541 return (ENXIO); 542 543 return (usbd_lookup_id_by_uaa(run_devs, sizeof(run_devs), uaa)); 544 } 545 546 static int 547 run_attach(device_t self) 548 { 549 struct run_softc *sc = device_get_softc(self); 550 struct usb_attach_arg *uaa = device_get_ivars(self); 551 struct ieee80211com *ic; 552 struct ifnet *ifp; 553 uint32_t ver; 554 int i, ntries, error; 555 uint8_t iface_index, bands; 556 557 device_set_usb_desc(self); 558 sc->sc_udev = uaa->device; 559 sc->sc_dev = self; 560 561 mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), 562 MTX_NETWORK_LOCK, MTX_DEF); 563 564 iface_index = RT2860_IFACE_INDEX; 565 566 error = usbd_transfer_setup(uaa->device, &iface_index, 567 sc->sc_xfer, run_config, RUN_N_XFER, sc, &sc->sc_mtx); 568 if (error) { 569 device_printf(self, "could not allocate USB transfers, " 570 "err=%s\n", usbd_errstr(error)); 571 goto detach; 572 } 573 574 RUN_LOCK(sc); 575 576 /* wait for the chip to settle */ 577 for (ntries = 0; ntries < 100; ntries++) { 578 if (run_read(sc, RT2860_ASIC_VER_ID, &ver) != 0) { 579 RUN_UNLOCK(sc); 580 goto detach; 581 } 582 if (ver != 0 && ver != 0xffffffff) 583 break; 584 run_delay(sc, 10); 585 } 586 if (ntries == 100) { 587 device_printf(sc->sc_dev, 588 "timeout waiting for NIC to initialize\n"); 589 RUN_UNLOCK(sc); 590 goto detach; 591 } 592 sc->mac_ver = ver >> 16; 593 sc->mac_rev = ver & 0xffff; 594 595 /* retrieve RF rev. no and various other things from EEPROM */ 596 run_read_eeprom(sc); 597 598 device_printf(sc->sc_dev, 599 "MAC/BBP RT%04X (rev 0x%04X), RF %s (MIMO %dT%dR), address %s\n", 600 sc->mac_ver, sc->mac_rev, run_get_rf(sc->rf_rev), 601 sc->ntxchains, sc->nrxchains, ether_sprintf(sc->sc_bssid)); 602 603 RUN_UNLOCK(sc); 604 605 ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 606 if (ifp == NULL) { 607 device_printf(sc->sc_dev, "can not if_alloc()\n"); 608 goto detach; 609 } 610 ic = ifp->if_l2com; 611 612 ifp->if_softc = sc; 613 if_initname(ifp, "run", device_get_unit(sc->sc_dev)); 614 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 615 ifp->if_init = run_init; 616 ifp->if_ioctl = run_ioctl; 617 ifp->if_start = run_start; 618 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 619 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 620 IFQ_SET_READY(&ifp->if_snd); 621 622 ic->ic_ifp = ifp; 623 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 624 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 625 626 /* set device capabilities */ 627 ic->ic_caps = 628 IEEE80211_C_STA | /* station mode supported */ 629 IEEE80211_C_MONITOR | /* monitor mode supported */ 630 IEEE80211_C_IBSS | 631 IEEE80211_C_HOSTAP | 632 IEEE80211_C_WDS | /* 4-address traffic works */ 633 IEEE80211_C_MBSS | 634 IEEE80211_C_SHPREAMBLE | /* short preamble supported */ 635 IEEE80211_C_SHSLOT | /* short slot time supported */ 636 IEEE80211_C_WME | /* WME */ 637 IEEE80211_C_WPA; /* WPA1|WPA2(RSN) */ 638 639 ic->ic_cryptocaps = 640 IEEE80211_CRYPTO_WEP | 641 IEEE80211_CRYPTO_AES_CCM | 642 IEEE80211_CRYPTO_TKIPMIC | 643 IEEE80211_CRYPTO_TKIP; 644 645 ic->ic_flags |= IEEE80211_F_DATAPAD; 646 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS; 647 648 bands = 0; 649 setbit(&bands, IEEE80211_MODE_11B); 650 setbit(&bands, IEEE80211_MODE_11G); 651 ieee80211_init_channels(ic, NULL, &bands); 652 653 /* 654 * Do this by own because h/w supports 655 * more channels than ieee80211_init_channels() 656 */ 657 if (sc->rf_rev == RT2860_RF_2750 || 658 sc->rf_rev == RT2860_RF_2850 || 659 sc->rf_rev == RT3070_RF_3052) { 660 /* set supported .11a rates */ 661 for (i = 14; i < N(rt2860_rf2850); i++) { 662 uint8_t chan = rt2860_rf2850[i].chan; 663 ic->ic_channels[ic->ic_nchans].ic_freq = 664 ieee80211_ieee2mhz(chan, IEEE80211_CHAN_A); 665 ic->ic_channels[ic->ic_nchans].ic_ieee = chan; 666 ic->ic_channels[ic->ic_nchans].ic_flags = IEEE80211_CHAN_A; 667 ic->ic_channels[ic->ic_nchans].ic_extieee = 0; 668 ic->ic_nchans++; 669 } 670 } 671 672 ieee80211_ifattach(ic, sc->sc_bssid); 673 674 ic->ic_scan_start = run_scan_start; 675 ic->ic_scan_end = run_scan_end; 676 ic->ic_set_channel = run_set_channel; 677 ic->ic_node_alloc = run_node_alloc; 678 ic->ic_newassoc = run_newassoc; 679 ic->ic_updateslot = run_updateslot; 680 ic->ic_update_mcast = run_update_mcast; 681 ic->ic_wme.wme_update = run_wme_update; 682 ic->ic_raw_xmit = run_raw_xmit; 683 ic->ic_update_promisc = run_update_promisc; 684 685 ic->ic_vap_create = run_vap_create; 686 ic->ic_vap_delete = run_vap_delete; 687 688 ieee80211_radiotap_attach(ic, 689 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 690 RUN_TX_RADIOTAP_PRESENT, 691 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 692 RUN_RX_RADIOTAP_PRESENT); 693 694 TASK_INIT(&sc->cmdq_task, 0, run_cmdq_cb, sc); 695 TASK_INIT(&sc->ratectl_task, 0, run_ratectl_cb, sc); 696 callout_init((struct callout *)&sc->ratectl_ch, 1); 697 698 if (bootverbose) 699 ieee80211_announce(ic); 700 701 return (0); 702 703 detach: 704 run_detach(self); 705 return (ENXIO); 706 } 707 708 static int 709 run_detach(device_t self) 710 { 711 struct run_softc *sc = device_get_softc(self); 712 struct ifnet *ifp = sc->sc_ifp; 713 struct ieee80211com *ic; 714 int i; 715 716 /* stop all USB transfers */ 717 usbd_transfer_unsetup(sc->sc_xfer, RUN_N_XFER); 718 719 RUN_LOCK(sc); 720 721 sc->ratectl_run = RUN_RATECTL_OFF; 722 sc->cmdq_run = sc->cmdq_key_set = RUN_CMDQ_ABORT; 723 724 /* free TX list, if any */ 725 for (i = 0; i != RUN_EP_QUEUES; i++) 726 run_unsetup_tx_list(sc, &sc->sc_epq[i]); 727 RUN_UNLOCK(sc); 728 729 if (ifp) { 730 ic = ifp->if_l2com; 731 /* drain tasks */ 732 usb_callout_drain(&sc->ratectl_ch); 733 ieee80211_draintask(ic, &sc->cmdq_task); 734 ieee80211_draintask(ic, &sc->ratectl_task); 735 ieee80211_ifdetach(ic); 736 if_free(ifp); 737 } 738 739 mtx_destroy(&sc->sc_mtx); 740 741 return (0); 742 } 743 744 static struct ieee80211vap * 745 run_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 746 enum ieee80211_opmode opmode, int flags, 747 const uint8_t bssid[IEEE80211_ADDR_LEN], 748 const uint8_t mac[IEEE80211_ADDR_LEN]) 749 { 750 struct ifnet *ifp = ic->ic_ifp; 751 struct run_softc *sc = ifp->if_softc; 752 struct run_vap *rvp; 753 struct ieee80211vap *vap; 754 int i; 755 756 if (sc->rvp_cnt >= RUN_VAP_MAX) { 757 if_printf(ifp, "number of VAPs maxed out\n"); 758 return (NULL); 759 } 760 761 switch (opmode) { 762 case IEEE80211_M_STA: 763 /* enable s/w bmiss handling for sta mode */ 764 flags |= IEEE80211_CLONE_NOBEACONS; 765 /* fall though */ 766 case IEEE80211_M_IBSS: 767 case IEEE80211_M_MONITOR: 768 case IEEE80211_M_HOSTAP: 769 case IEEE80211_M_MBSS: 770 /* other than WDS vaps, only one at a time */ 771 if (!TAILQ_EMPTY(&ic->ic_vaps)) 772 return (NULL); 773 break; 774 case IEEE80211_M_WDS: 775 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next){ 776 if(vap->iv_opmode != IEEE80211_M_HOSTAP) 777 continue; 778 /* WDS vap's always share the local mac address. */ 779 flags &= ~IEEE80211_CLONE_BSSID; 780 break; 781 } 782 if (vap == NULL) { 783 if_printf(ifp, "wds only supported in ap mode\n"); 784 return (NULL); 785 } 786 break; 787 default: 788 if_printf(ifp, "unknown opmode %d\n", opmode); 789 return (NULL); 790 } 791 792 rvp = (struct run_vap *) malloc(sizeof(struct run_vap), 793 M_80211_VAP, M_NOWAIT | M_ZERO); 794 if (rvp == NULL) 795 return (NULL); 796 vap = &rvp->vap; 797 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 798 799 vap->iv_key_update_begin = run_key_update_begin; 800 vap->iv_key_update_end = run_key_update_end; 801 vap->iv_update_beacon = run_update_beacon; 802 vap->iv_max_aid = RT2870_WCID_MAX; 803 /* 804 * To delete the right key from h/w, we need wcid. 805 * Luckily, there is unused space in ieee80211_key{}, wk_pad, 806 * and matching wcid will be written into there. So, cast 807 * some spells to remove 'const' from ieee80211_key{} 808 */ 809 vap->iv_key_delete = (void *)run_key_delete; 810 vap->iv_key_set = (void *)run_key_set; 811 812 /* override state transition machine */ 813 rvp->newstate = vap->iv_newstate; 814 vap->iv_newstate = run_newstate; 815 816 ieee80211_ratectl_init(vap); 817 ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */); 818 819 /* complete setup */ 820 ieee80211_vap_attach(vap, run_media_change, ieee80211_media_status); 821 822 /* make sure id is always unique */ 823 for (i = 0; i < RUN_VAP_MAX; i++) { 824 if((sc->rvp_bmap & 1 << i) == 0){ 825 sc->rvp_bmap |= 1 << i; 826 rvp->rvp_id = i; 827 break; 828 } 829 } 830 if (sc->rvp_cnt++ == 0) 831 ic->ic_opmode = opmode; 832 833 if (opmode == IEEE80211_M_HOSTAP) 834 sc->cmdq_run = RUN_CMDQ_GO; 835 836 DPRINTF("rvp_id=%d bmap=%x rvp_cnt=%d\n", 837 rvp->rvp_id, sc->rvp_bmap, sc->rvp_cnt); 838 839 return (vap); 840 } 841 842 static void 843 run_vap_delete(struct ieee80211vap *vap) 844 { 845 struct run_vap *rvp = RUN_VAP(vap); 846 struct ifnet *ifp; 847 struct ieee80211com *ic; 848 struct run_softc *sc; 849 uint8_t rvp_id; 850 851 if (vap == NULL) 852 return; 853 854 ic = vap->iv_ic; 855 ifp = ic->ic_ifp; 856 857 sc = ifp->if_softc; 858 859 RUN_LOCK(sc); 860 861 m_freem(rvp->beacon_mbuf); 862 rvp->beacon_mbuf = NULL; 863 864 rvp_id = rvp->rvp_id; 865 sc->ratectl_run &= ~(1 << rvp_id); 866 sc->rvp_bmap &= ~(1 << rvp_id); 867 run_set_region_4(sc, RT2860_SKEY(rvp_id, 0), 0, 128); 868 run_set_region_4(sc, RT2860_BCN_BASE(rvp_id), 0, 512); 869 --sc->rvp_cnt; 870 871 DPRINTF("vap=%p rvp_id=%d bmap=%x rvp_cnt=%d\n", 872 vap, rvp_id, sc->rvp_bmap, sc->rvp_cnt); 873 874 RUN_UNLOCK(sc); 875 876 ieee80211_ratectl_deinit(vap); 877 ieee80211_vap_detach(vap); 878 free(rvp, M_80211_VAP); 879 } 880 881 /* 882 * There are numbers of functions need to be called in context thread. 883 * Rather than creating taskqueue event for each of those functions, 884 * here is all-for-one taskqueue callback function. This function 885 * gurantees deferred functions are executed in the same order they 886 * were enqueued. 887 * '& RUN_CMDQ_MASQ' is to loop cmdq[]. 888 */ 889 static void 890 run_cmdq_cb(void *arg, int pending) 891 { 892 struct run_softc *sc = arg; 893 uint8_t i; 894 895 /* call cmdq[].func locked */ 896 RUN_LOCK(sc); 897 for (i = sc->cmdq_exec; sc->cmdq[i].func && pending; 898 i = sc->cmdq_exec, pending--) { 899 DPRINTFN(6, "cmdq_exec=%d pending=%d\n", i, pending); 900 if (sc->cmdq_run == RUN_CMDQ_GO) { 901 /* 902 * If arg0 is NULL, callback func needs more 903 * than one arg. So, pass ptr to cmdq struct. 904 */ 905 if (sc->cmdq[i].arg0) 906 sc->cmdq[i].func(sc->cmdq[i].arg0); 907 else 908 sc->cmdq[i].func(&sc->cmdq[i]); 909 } 910 sc->cmdq[i].arg0 = NULL; 911 sc->cmdq[i].func = NULL; 912 sc->cmdq_exec++; 913 sc->cmdq_exec &= RUN_CMDQ_MASQ; 914 } 915 RUN_UNLOCK(sc); 916 } 917 918 static void 919 run_setup_tx_list(struct run_softc *sc, struct run_endpoint_queue *pq) 920 { 921 struct run_tx_data *data; 922 923 memset(pq, 0, sizeof(*pq)); 924 925 STAILQ_INIT(&pq->tx_qh); 926 STAILQ_INIT(&pq->tx_fh); 927 928 for (data = &pq->tx_data[0]; 929 data < &pq->tx_data[RUN_TX_RING_COUNT]; data++) { 930 data->sc = sc; 931 STAILQ_INSERT_TAIL(&pq->tx_fh, data, next); 932 } 933 pq->tx_nfree = RUN_TX_RING_COUNT; 934 } 935 936 static void 937 run_unsetup_tx_list(struct run_softc *sc, struct run_endpoint_queue *pq) 938 { 939 struct run_tx_data *data; 940 941 /* make sure any subsequent use of the queues will fail */ 942 pq->tx_nfree = 0; 943 STAILQ_INIT(&pq->tx_fh); 944 STAILQ_INIT(&pq->tx_qh); 945 946 /* free up all node references and mbufs */ 947 for (data = &pq->tx_data[0]; 948 data < &pq->tx_data[RUN_TX_RING_COUNT]; data++) { 949 if (data->m != NULL) { 950 m_freem(data->m); 951 data->m = NULL; 952 } 953 if (data->ni != NULL) { 954 ieee80211_free_node(data->ni); 955 data->ni = NULL; 956 } 957 } 958 } 959 960 static int 961 run_load_microcode(struct run_softc *sc) 962 { 963 usb_device_request_t req; 964 const struct firmware *fw; 965 const u_char *base; 966 uint32_t tmp; 967 int ntries, error; 968 const uint64_t *temp; 969 uint64_t bytes; 970 971 RUN_UNLOCK(sc); 972 fw = firmware_get("runfw"); 973 RUN_LOCK(sc); 974 if (fw == NULL) { 975 device_printf(sc->sc_dev, 976 "failed loadfirmware of file %s\n", "runfw"); 977 return ENOENT; 978 } 979 980 if (fw->datasize != 8192) { 981 device_printf(sc->sc_dev, 982 "invalid firmware size (should be 8KB)\n"); 983 error = EINVAL; 984 goto fail; 985 } 986 987 /* 988 * RT3071/RT3072 use a different firmware 989 * run-rt2870 (8KB) contains both, 990 * first half (4KB) is for rt2870, 991 * last half is for rt3071. 992 */ 993 base = fw->data; 994 if ((sc->mac_ver) != 0x2860 && 995 (sc->mac_ver) != 0x2872 && 996 (sc->mac_ver) != 0x3070) { 997 base += 4096; 998 } 999 1000 /* cheap sanity check */ 1001 temp = fw->data; 1002 bytes = *temp; 1003 if (bytes != be64toh(0xffffff0210280210)) { 1004 device_printf(sc->sc_dev, "firmware checksum failed\n"); 1005 error = EINVAL; 1006 goto fail; 1007 } 1008 1009 run_read(sc, RT2860_ASIC_VER_ID, &tmp); 1010 /* write microcode image */ 1011 run_write_region_1(sc, RT2870_FW_BASE, base, 4096); 1012 run_write(sc, RT2860_H2M_MAILBOX_CID, 0xffffffff); 1013 run_write(sc, RT2860_H2M_MAILBOX_STATUS, 0xffffffff); 1014 1015 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1016 req.bRequest = RT2870_RESET; 1017 USETW(req.wValue, 8); 1018 USETW(req.wIndex, 0); 1019 USETW(req.wLength, 0); 1020 if ((error = usbd_do_request(sc->sc_udev, &sc->sc_mtx, &req, NULL)) 1021 != 0) { 1022 device_printf(sc->sc_dev, "firmware reset failed\n"); 1023 goto fail; 1024 } 1025 1026 run_delay(sc, 10); 1027 1028 run_write(sc, RT2860_H2M_MAILBOX, 0); 1029 if ((error = run_mcu_cmd(sc, RT2860_MCU_CMD_RFRESET, 0)) != 0) 1030 goto fail; 1031 1032 /* wait until microcontroller is ready */ 1033 for (ntries = 0; ntries < 1000; ntries++) { 1034 if ((error = run_read(sc, RT2860_SYS_CTRL, &tmp)) != 0) { 1035 goto fail; 1036 } 1037 if (tmp & RT2860_MCU_READY) 1038 break; 1039 run_delay(sc, 10); 1040 } 1041 if (ntries == 1000) { 1042 device_printf(sc->sc_dev, 1043 "timeout waiting for MCU to initialize\n"); 1044 error = ETIMEDOUT; 1045 goto fail; 1046 } 1047 device_printf(sc->sc_dev, "firmware %s ver. %u.%u loaded\n", 1048 (base == fw->data) ? "RT2870" : "RT3071", 1049 *(base + 4092), *(base + 4093)); 1050 1051 fail: 1052 firmware_put(fw, FIRMWARE_UNLOAD); 1053 return (error); 1054 } 1055 1056 int 1057 run_reset(struct run_softc *sc) 1058 { 1059 usb_device_request_t req; 1060 1061 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1062 req.bRequest = RT2870_RESET; 1063 USETW(req.wValue, 1); 1064 USETW(req.wIndex, 0); 1065 USETW(req.wLength, 0); 1066 return (usbd_do_request(sc->sc_udev, &sc->sc_mtx, &req, NULL)); 1067 } 1068 1069 static usb_error_t 1070 run_do_request(struct run_softc *sc, 1071 struct usb_device_request *req, void *data) 1072 { 1073 usb_error_t err; 1074 int ntries = 10; 1075 1076 RUN_LOCK_ASSERT(sc, MA_OWNED); 1077 1078 while (ntries--) { 1079 err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx, 1080 req, data, 0, NULL, 250 /* ms */); 1081 if (err == 0) 1082 break; 1083 DPRINTFN(1, "Control request failed, %s (retrying)\n", 1084 usbd_errstr(err)); 1085 run_delay(sc, 10); 1086 } 1087 return (err); 1088 } 1089 1090 static int 1091 run_read(struct run_softc *sc, uint16_t reg, uint32_t *val) 1092 { 1093 uint32_t tmp; 1094 int error; 1095 1096 error = run_read_region_1(sc, reg, (uint8_t *)&tmp, sizeof tmp); 1097 if (error == 0) 1098 *val = le32toh(tmp); 1099 else 1100 *val = 0xffffffff; 1101 return (error); 1102 } 1103 1104 static int 1105 run_read_region_1(struct run_softc *sc, uint16_t reg, uint8_t *buf, int len) 1106 { 1107 usb_device_request_t req; 1108 1109 req.bmRequestType = UT_READ_VENDOR_DEVICE; 1110 req.bRequest = RT2870_READ_REGION_1; 1111 USETW(req.wValue, 0); 1112 USETW(req.wIndex, reg); 1113 USETW(req.wLength, len); 1114 1115 return (run_do_request(sc, &req, buf)); 1116 } 1117 1118 static int 1119 run_write_2(struct run_softc *sc, uint16_t reg, uint16_t val) 1120 { 1121 usb_device_request_t req; 1122 1123 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1124 req.bRequest = RT2870_WRITE_2; 1125 USETW(req.wValue, val); 1126 USETW(req.wIndex, reg); 1127 USETW(req.wLength, 0); 1128 1129 return (run_do_request(sc, &req, NULL)); 1130 } 1131 1132 static int 1133 run_write(struct run_softc *sc, uint16_t reg, uint32_t val) 1134 { 1135 int error; 1136 1137 if ((error = run_write_2(sc, reg, val & 0xffff)) == 0) 1138 error = run_write_2(sc, reg + 2, val >> 16); 1139 return (error); 1140 } 1141 1142 static int 1143 run_write_region_1(struct run_softc *sc, uint16_t reg, const uint8_t *buf, 1144 int len) 1145 { 1146 #if 1 1147 int i, error = 0; 1148 /* 1149 * NB: the WRITE_REGION_1 command is not stable on RT2860. 1150 * We thus issue multiple WRITE_2 commands instead. 1151 */ 1152 KASSERT((len & 1) == 0, ("run_write_region_1: Data too long.\n")); 1153 for (i = 0; i < len && error == 0; i += 2) 1154 error = run_write_2(sc, reg + i, buf[i] | buf[i + 1] << 8); 1155 return (error); 1156 #else 1157 usb_device_request_t req; 1158 1159 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1160 req.bRequest = RT2870_WRITE_REGION_1; 1161 USETW(req.wValue, 0); 1162 USETW(req.wIndex, reg); 1163 USETW(req.wLength, len); 1164 return (run_do_request(sc, &req, buf)); 1165 #endif 1166 } 1167 1168 static int 1169 run_set_region_4(struct run_softc *sc, uint16_t reg, uint32_t val, int len) 1170 { 1171 int i, error = 0; 1172 1173 KASSERT((len & 3) == 0, ("run_set_region_4: Invalid data length.\n")); 1174 for (i = 0; i < len && error == 0; i += 4) 1175 error = run_write(sc, reg + i, val); 1176 return (error); 1177 } 1178 1179 /* Read 16-bit from eFUSE ROM (RT3070 only.) */ 1180 static int 1181 run_efuse_read_2(struct run_softc *sc, uint16_t addr, uint16_t *val) 1182 { 1183 uint32_t tmp; 1184 uint16_t reg; 1185 int error, ntries; 1186 1187 if ((error = run_read(sc, RT3070_EFUSE_CTRL, &tmp)) != 0) 1188 return (error); 1189 1190 addr *= 2; 1191 /*- 1192 * Read one 16-byte block into registers EFUSE_DATA[0-3]: 1193 * DATA0: F E D C 1194 * DATA1: B A 9 8 1195 * DATA2: 7 6 5 4 1196 * DATA3: 3 2 1 0 1197 */ 1198 tmp &= ~(RT3070_EFSROM_MODE_MASK | RT3070_EFSROM_AIN_MASK); 1199 tmp |= (addr & ~0xf) << RT3070_EFSROM_AIN_SHIFT | RT3070_EFSROM_KICK; 1200 run_write(sc, RT3070_EFUSE_CTRL, tmp); 1201 for (ntries = 0; ntries < 100; ntries++) { 1202 if ((error = run_read(sc, RT3070_EFUSE_CTRL, &tmp)) != 0) 1203 return (error); 1204 if (!(tmp & RT3070_EFSROM_KICK)) 1205 break; 1206 run_delay(sc, 2); 1207 } 1208 if (ntries == 100) 1209 return (ETIMEDOUT); 1210 1211 if ((tmp & RT3070_EFUSE_AOUT_MASK) == RT3070_EFUSE_AOUT_MASK) { 1212 *val = 0xffff; /* address not found */ 1213 return (0); 1214 } 1215 /* determine to which 32-bit register our 16-bit word belongs */ 1216 reg = RT3070_EFUSE_DATA3 - (addr & 0xc); 1217 if ((error = run_read(sc, reg, &tmp)) != 0) 1218 return (error); 1219 1220 *val = (addr & 2) ? tmp >> 16 : tmp & 0xffff; 1221 return (0); 1222 } 1223 1224 static int 1225 run_eeprom_read_2(struct run_softc *sc, uint16_t addr, uint16_t *val) 1226 { 1227 usb_device_request_t req; 1228 uint16_t tmp; 1229 int error; 1230 1231 addr *= 2; 1232 req.bmRequestType = UT_READ_VENDOR_DEVICE; 1233 req.bRequest = RT2870_EEPROM_READ; 1234 USETW(req.wValue, 0); 1235 USETW(req.wIndex, addr); 1236 USETW(req.wLength, sizeof tmp); 1237 1238 error = usbd_do_request(sc->sc_udev, &sc->sc_mtx, &req, &tmp); 1239 if (error == 0) 1240 *val = le16toh(tmp); 1241 else 1242 *val = 0xffff; 1243 return (error); 1244 } 1245 1246 static __inline int 1247 run_srom_read(struct run_softc *sc, uint16_t addr, uint16_t *val) 1248 { 1249 /* either eFUSE ROM or EEPROM */ 1250 return sc->sc_srom_read(sc, addr, val); 1251 } 1252 1253 static int 1254 run_rt2870_rf_write(struct run_softc *sc, uint8_t reg, uint32_t val) 1255 { 1256 uint32_t tmp; 1257 int error, ntries; 1258 1259 for (ntries = 0; ntries < 10; ntries++) { 1260 if ((error = run_read(sc, RT2860_RF_CSR_CFG0, &tmp)) != 0) 1261 return (error); 1262 if (!(tmp & RT2860_RF_REG_CTRL)) 1263 break; 1264 } 1265 if (ntries == 10) 1266 return (ETIMEDOUT); 1267 1268 /* RF registers are 24-bit on the RT2860 */ 1269 tmp = RT2860_RF_REG_CTRL | 24 << RT2860_RF_REG_WIDTH_SHIFT | 1270 (val & 0x3fffff) << 2 | (reg & 3); 1271 return (run_write(sc, RT2860_RF_CSR_CFG0, tmp)); 1272 } 1273 1274 static int 1275 run_rt3070_rf_read(struct run_softc *sc, uint8_t reg, uint8_t *val) 1276 { 1277 uint32_t tmp; 1278 int error, ntries; 1279 1280 for (ntries = 0; ntries < 100; ntries++) { 1281 if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0) 1282 return (error); 1283 if (!(tmp & RT3070_RF_KICK)) 1284 break; 1285 } 1286 if (ntries == 100) 1287 return (ETIMEDOUT); 1288 1289 tmp = RT3070_RF_KICK | reg << 8; 1290 if ((error = run_write(sc, RT3070_RF_CSR_CFG, tmp)) != 0) 1291 return (error); 1292 1293 for (ntries = 0; ntries < 100; ntries++) { 1294 if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0) 1295 return (error); 1296 if (!(tmp & RT3070_RF_KICK)) 1297 break; 1298 } 1299 if (ntries == 100) 1300 return (ETIMEDOUT); 1301 1302 *val = tmp & 0xff; 1303 return (0); 1304 } 1305 1306 static int 1307 run_rt3070_rf_write(struct run_softc *sc, uint8_t reg, uint8_t val) 1308 { 1309 uint32_t tmp; 1310 int error, ntries; 1311 1312 for (ntries = 0; ntries < 10; ntries++) { 1313 if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0) 1314 return (error); 1315 if (!(tmp & RT3070_RF_KICK)) 1316 break; 1317 } 1318 if (ntries == 10) 1319 return (ETIMEDOUT); 1320 1321 tmp = RT3070_RF_WRITE | RT3070_RF_KICK | reg << 8 | val; 1322 return (run_write(sc, RT3070_RF_CSR_CFG, tmp)); 1323 } 1324 1325 static int 1326 run_bbp_read(struct run_softc *sc, uint8_t reg, uint8_t *val) 1327 { 1328 uint32_t tmp; 1329 int ntries, error; 1330 1331 for (ntries = 0; ntries < 10; ntries++) { 1332 if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0) 1333 return (error); 1334 if (!(tmp & RT2860_BBP_CSR_KICK)) 1335 break; 1336 } 1337 if (ntries == 10) 1338 return (ETIMEDOUT); 1339 1340 tmp = RT2860_BBP_CSR_READ | RT2860_BBP_CSR_KICK | reg << 8; 1341 if ((error = run_write(sc, RT2860_BBP_CSR_CFG, tmp)) != 0) 1342 return (error); 1343 1344 for (ntries = 0; ntries < 10; ntries++) { 1345 if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0) 1346 return (error); 1347 if (!(tmp & RT2860_BBP_CSR_KICK)) 1348 break; 1349 } 1350 if (ntries == 10) 1351 return (ETIMEDOUT); 1352 1353 *val = tmp & 0xff; 1354 return (0); 1355 } 1356 1357 static int 1358 run_bbp_write(struct run_softc *sc, uint8_t reg, uint8_t val) 1359 { 1360 uint32_t tmp; 1361 int ntries, error; 1362 1363 for (ntries = 0; ntries < 10; ntries++) { 1364 if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0) 1365 return (error); 1366 if (!(tmp & RT2860_BBP_CSR_KICK)) 1367 break; 1368 } 1369 if (ntries == 10) 1370 return (ETIMEDOUT); 1371 1372 tmp = RT2860_BBP_CSR_KICK | reg << 8 | val; 1373 return (run_write(sc, RT2860_BBP_CSR_CFG, tmp)); 1374 } 1375 1376 /* 1377 * Send a command to the 8051 microcontroller unit. 1378 */ 1379 static int 1380 run_mcu_cmd(struct run_softc *sc, uint8_t cmd, uint16_t arg) 1381 { 1382 uint32_t tmp; 1383 int error, ntries; 1384 1385 for (ntries = 0; ntries < 100; ntries++) { 1386 if ((error = run_read(sc, RT2860_H2M_MAILBOX, &tmp)) != 0) 1387 return error; 1388 if (!(tmp & RT2860_H2M_BUSY)) 1389 break; 1390 } 1391 if (ntries == 100) 1392 return ETIMEDOUT; 1393 1394 tmp = RT2860_H2M_BUSY | RT2860_TOKEN_NO_INTR << 16 | arg; 1395 if ((error = run_write(sc, RT2860_H2M_MAILBOX, tmp)) == 0) 1396 error = run_write(sc, RT2860_HOST_CMD, cmd); 1397 return (error); 1398 } 1399 1400 /* 1401 * Add `delta' (signed) to each 4-bit sub-word of a 32-bit word. 1402 * Used to adjust per-rate Tx power registers. 1403 */ 1404 static __inline uint32_t 1405 b4inc(uint32_t b32, int8_t delta) 1406 { 1407 int8_t i, b4; 1408 1409 for (i = 0; i < 8; i++) { 1410 b4 = b32 & 0xf; 1411 b4 += delta; 1412 if (b4 < 0) 1413 b4 = 0; 1414 else if (b4 > 0xf) 1415 b4 = 0xf; 1416 b32 = b32 >> 4 | b4 << 28; 1417 } 1418 return (b32); 1419 } 1420 1421 static const char * 1422 run_get_rf(int rev) 1423 { 1424 switch (rev) { 1425 case RT2860_RF_2820: return "RT2820"; 1426 case RT2860_RF_2850: return "RT2850"; 1427 case RT2860_RF_2720: return "RT2720"; 1428 case RT2860_RF_2750: return "RT2750"; 1429 case RT3070_RF_3020: return "RT3020"; 1430 case RT3070_RF_2020: return "RT2020"; 1431 case RT3070_RF_3021: return "RT3021"; 1432 case RT3070_RF_3022: return "RT3022"; 1433 case RT3070_RF_3052: return "RT3052"; 1434 } 1435 return ("unknown"); 1436 } 1437 1438 int 1439 run_read_eeprom(struct run_softc *sc) 1440 { 1441 int8_t delta_2ghz, delta_5ghz; 1442 uint32_t tmp; 1443 uint16_t val; 1444 int ridx, ant, i; 1445 1446 /* check whether the ROM is eFUSE ROM or EEPROM */ 1447 sc->sc_srom_read = run_eeprom_read_2; 1448 if (sc->mac_ver >= 0x3070) { 1449 run_read(sc, RT3070_EFUSE_CTRL, &tmp); 1450 DPRINTF("EFUSE_CTRL=0x%08x\n", tmp); 1451 if (tmp & RT3070_SEL_EFUSE) 1452 sc->sc_srom_read = run_efuse_read_2; 1453 } 1454 1455 /* read ROM version */ 1456 run_srom_read(sc, RT2860_EEPROM_VERSION, &val); 1457 DPRINTF("EEPROM rev=%d, FAE=%d\n", val & 0xff, val >> 8); 1458 1459 /* read MAC address */ 1460 run_srom_read(sc, RT2860_EEPROM_MAC01, &val); 1461 sc->sc_bssid[0] = val & 0xff; 1462 sc->sc_bssid[1] = val >> 8; 1463 run_srom_read(sc, RT2860_EEPROM_MAC23, &val); 1464 sc->sc_bssid[2] = val & 0xff; 1465 sc->sc_bssid[3] = val >> 8; 1466 run_srom_read(sc, RT2860_EEPROM_MAC45, &val); 1467 sc->sc_bssid[4] = val & 0xff; 1468 sc->sc_bssid[5] = val >> 8; 1469 1470 /* read vender BBP settings */ 1471 for (i = 0; i < 10; i++) { 1472 run_srom_read(sc, RT2860_EEPROM_BBP_BASE + i, &val); 1473 sc->bbp[i].val = val & 0xff; 1474 sc->bbp[i].reg = val >> 8; 1475 DPRINTF("BBP%d=0x%02x\n", sc->bbp[i].reg, sc->bbp[i].val); 1476 } 1477 if (sc->mac_ver >= 0x3071) { 1478 /* read vendor RF settings */ 1479 for (i = 0; i < 10; i++) { 1480 run_srom_read(sc, RT3071_EEPROM_RF_BASE + i, &val); 1481 sc->rf[i].val = val & 0xff; 1482 sc->rf[i].reg = val >> 8; 1483 DPRINTF("RF%d=0x%02x\n", sc->rf[i].reg, 1484 sc->rf[i].val); 1485 } 1486 } 1487 1488 /* read RF frequency offset from EEPROM */ 1489 run_srom_read(sc, RT2860_EEPROM_FREQ_LEDS, &val); 1490 sc->freq = ((val & 0xff) != 0xff) ? val & 0xff : 0; 1491 DPRINTF("EEPROM freq offset %d\n", sc->freq & 0xff); 1492 1493 if (val >> 8 != 0xff) { 1494 /* read LEDs operating mode */ 1495 sc->leds = val >> 8; 1496 run_srom_read(sc, RT2860_EEPROM_LED1, &sc->led[0]); 1497 run_srom_read(sc, RT2860_EEPROM_LED2, &sc->led[1]); 1498 run_srom_read(sc, RT2860_EEPROM_LED3, &sc->led[2]); 1499 } else { 1500 /* broken EEPROM, use default settings */ 1501 sc->leds = 0x01; 1502 sc->led[0] = 0x5555; 1503 sc->led[1] = 0x2221; 1504 sc->led[2] = 0x5627; /* differs from RT2860 */ 1505 } 1506 DPRINTF("EEPROM LED mode=0x%02x, LEDs=0x%04x/0x%04x/0x%04x\n", 1507 sc->leds, sc->led[0], sc->led[1], sc->led[2]); 1508 1509 /* read RF information */ 1510 run_srom_read(sc, RT2860_EEPROM_ANTENNA, &val); 1511 if (val == 0xffff) { 1512 DPRINTF("invalid EEPROM antenna info, using default\n"); 1513 if (sc->mac_ver == 0x3572) { 1514 /* default to RF3052 2T2R */ 1515 sc->rf_rev = RT3070_RF_3052; 1516 sc->ntxchains = 2; 1517 sc->nrxchains = 2; 1518 } else if (sc->mac_ver >= 0x3070) { 1519 /* default to RF3020 1T1R */ 1520 sc->rf_rev = RT3070_RF_3020; 1521 sc->ntxchains = 1; 1522 sc->nrxchains = 1; 1523 } else { 1524 /* default to RF2820 1T2R */ 1525 sc->rf_rev = RT2860_RF_2820; 1526 sc->ntxchains = 1; 1527 sc->nrxchains = 2; 1528 } 1529 } else { 1530 sc->rf_rev = (val >> 8) & 0xf; 1531 sc->ntxchains = (val >> 4) & 0xf; 1532 sc->nrxchains = val & 0xf; 1533 } 1534 DPRINTF("EEPROM RF rev=0x%02x chains=%dT%dR\n", 1535 sc->rf_rev, sc->ntxchains, sc->nrxchains); 1536 1537 /* check if RF supports automatic Tx access gain control */ 1538 run_srom_read(sc, RT2860_EEPROM_CONFIG, &val); 1539 DPRINTF("EEPROM CFG 0x%04x\n", val); 1540 /* check if driver should patch the DAC issue */ 1541 if ((val >> 8) != 0xff) 1542 sc->patch_dac = (val >> 15) & 1; 1543 if ((val & 0xff) != 0xff) { 1544 sc->ext_5ghz_lna = (val >> 3) & 1; 1545 sc->ext_2ghz_lna = (val >> 2) & 1; 1546 /* check if RF supports automatic Tx access gain control */ 1547 sc->calib_2ghz = sc->calib_5ghz = (val >> 1) & 1; 1548 /* check if we have a hardware radio switch */ 1549 sc->rfswitch = val & 1; 1550 } 1551 1552 /* read power settings for 2GHz channels */ 1553 for (i = 0; i < 14; i += 2) { 1554 run_srom_read(sc, RT2860_EEPROM_PWR2GHZ_BASE1 + i / 2, &val); 1555 sc->txpow1[i + 0] = (int8_t)(val & 0xff); 1556 sc->txpow1[i + 1] = (int8_t)(val >> 8); 1557 1558 run_srom_read(sc, RT2860_EEPROM_PWR2GHZ_BASE2 + i / 2, &val); 1559 sc->txpow2[i + 0] = (int8_t)(val & 0xff); 1560 sc->txpow2[i + 1] = (int8_t)(val >> 8); 1561 } 1562 /* fix broken Tx power entries */ 1563 for (i = 0; i < 14; i++) { 1564 if (sc->txpow1[i] < 0 || sc->txpow1[i] > 31) 1565 sc->txpow1[i] = 5; 1566 if (sc->txpow2[i] < 0 || sc->txpow2[i] > 31) 1567 sc->txpow2[i] = 5; 1568 DPRINTF("chan %d: power1=%d, power2=%d\n", 1569 rt2860_rf2850[i].chan, sc->txpow1[i], sc->txpow2[i]); 1570 } 1571 /* read power settings for 5GHz channels */ 1572 for (i = 0; i < 40; i += 2) { 1573 run_srom_read(sc, RT2860_EEPROM_PWR5GHZ_BASE1 + i / 2, &val); 1574 sc->txpow1[i + 14] = (int8_t)(val & 0xff); 1575 sc->txpow1[i + 15] = (int8_t)(val >> 8); 1576 1577 run_srom_read(sc, RT2860_EEPROM_PWR5GHZ_BASE2 + i / 2, &val); 1578 sc->txpow2[i + 14] = (int8_t)(val & 0xff); 1579 sc->txpow2[i + 15] = (int8_t)(val >> 8); 1580 } 1581 /* fix broken Tx power entries */ 1582 for (i = 0; i < 40; i++) { 1583 if (sc->txpow1[14 + i] < -7 || sc->txpow1[14 + i] > 15) 1584 sc->txpow1[14 + i] = 5; 1585 if (sc->txpow2[14 + i] < -7 || sc->txpow2[14 + i] > 15) 1586 sc->txpow2[14 + i] = 5; 1587 DPRINTF("chan %d: power1=%d, power2=%d\n", 1588 rt2860_rf2850[14 + i].chan, sc->txpow1[14 + i], 1589 sc->txpow2[14 + i]); 1590 } 1591 1592 /* read Tx power compensation for each Tx rate */ 1593 run_srom_read(sc, RT2860_EEPROM_DELTAPWR, &val); 1594 delta_2ghz = delta_5ghz = 0; 1595 if ((val & 0xff) != 0xff && (val & 0x80)) { 1596 delta_2ghz = val & 0xf; 1597 if (!(val & 0x40)) /* negative number */ 1598 delta_2ghz = -delta_2ghz; 1599 } 1600 val >>= 8; 1601 if ((val & 0xff) != 0xff && (val & 0x80)) { 1602 delta_5ghz = val & 0xf; 1603 if (!(val & 0x40)) /* negative number */ 1604 delta_5ghz = -delta_5ghz; 1605 } 1606 DPRINTF("power compensation=%d (2GHz), %d (5GHz)\n", 1607 delta_2ghz, delta_5ghz); 1608 1609 for (ridx = 0; ridx < 5; ridx++) { 1610 uint32_t reg; 1611 1612 run_srom_read(sc, RT2860_EEPROM_RPWR + ridx * 2, &val); 1613 reg = val; 1614 run_srom_read(sc, RT2860_EEPROM_RPWR + ridx * 2 + 1, &val); 1615 reg |= (uint32_t)val << 16; 1616 1617 sc->txpow20mhz[ridx] = reg; 1618 sc->txpow40mhz_2ghz[ridx] = b4inc(reg, delta_2ghz); 1619 sc->txpow40mhz_5ghz[ridx] = b4inc(reg, delta_5ghz); 1620 1621 DPRINTF("ridx %d: power 20MHz=0x%08x, 40MHz/2GHz=0x%08x, " 1622 "40MHz/5GHz=0x%08x\n", ridx, sc->txpow20mhz[ridx], 1623 sc->txpow40mhz_2ghz[ridx], sc->txpow40mhz_5ghz[ridx]); 1624 } 1625 1626 /* read RSSI offsets and LNA gains from EEPROM */ 1627 run_srom_read(sc, RT2860_EEPROM_RSSI1_2GHZ, &val); 1628 sc->rssi_2ghz[0] = val & 0xff; /* Ant A */ 1629 sc->rssi_2ghz[1] = val >> 8; /* Ant B */ 1630 run_srom_read(sc, RT2860_EEPROM_RSSI2_2GHZ, &val); 1631 if (sc->mac_ver >= 0x3070) { 1632 /* 1633 * On RT3070 chips (limited to 2 Rx chains), this ROM 1634 * field contains the Tx mixer gain for the 2GHz band. 1635 */ 1636 if ((val & 0xff) != 0xff) 1637 sc->txmixgain_2ghz = val & 0x7; 1638 DPRINTF("tx mixer gain=%u (2GHz)\n", sc->txmixgain_2ghz); 1639 } else 1640 sc->rssi_2ghz[2] = val & 0xff; /* Ant C */ 1641 sc->lna[2] = val >> 8; /* channel group 2 */ 1642 1643 run_srom_read(sc, RT2860_EEPROM_RSSI1_5GHZ, &val); 1644 sc->rssi_5ghz[0] = val & 0xff; /* Ant A */ 1645 sc->rssi_5ghz[1] = val >> 8; /* Ant B */ 1646 run_srom_read(sc, RT2860_EEPROM_RSSI2_5GHZ, &val); 1647 if (sc->mac_ver == 0x3572) { 1648 /* 1649 * On RT3572 chips (limited to 2 Rx chains), this ROM 1650 * field contains the Tx mixer gain for the 5GHz band. 1651 */ 1652 if ((val & 0xff) != 0xff) 1653 sc->txmixgain_5ghz = val & 0x7; 1654 DPRINTF("tx mixer gain=%u (5GHz)\n", sc->txmixgain_5ghz); 1655 } else 1656 sc->rssi_5ghz[2] = val & 0xff; /* Ant C */ 1657 sc->lna[3] = val >> 8; /* channel group 3 */ 1658 1659 run_srom_read(sc, RT2860_EEPROM_LNA, &val); 1660 sc->lna[0] = val & 0xff; /* channel group 0 */ 1661 sc->lna[1] = val >> 8; /* channel group 1 */ 1662 1663 /* fix broken 5GHz LNA entries */ 1664 if (sc->lna[2] == 0 || sc->lna[2] == 0xff) { 1665 DPRINTF("invalid LNA for channel group %d\n", 2); 1666 sc->lna[2] = sc->lna[1]; 1667 } 1668 if (sc->lna[3] == 0 || sc->lna[3] == 0xff) { 1669 DPRINTF("invalid LNA for channel group %d\n", 3); 1670 sc->lna[3] = sc->lna[1]; 1671 } 1672 1673 /* fix broken RSSI offset entries */ 1674 for (ant = 0; ant < 3; ant++) { 1675 if (sc->rssi_2ghz[ant] < -10 || sc->rssi_2ghz[ant] > 10) { 1676 DPRINTF("invalid RSSI%d offset: %d (2GHz)\n", 1677 ant + 1, sc->rssi_2ghz[ant]); 1678 sc->rssi_2ghz[ant] = 0; 1679 } 1680 if (sc->rssi_5ghz[ant] < -10 || sc->rssi_5ghz[ant] > 10) { 1681 DPRINTF("invalid RSSI%d offset: %d (5GHz)\n", 1682 ant + 1, sc->rssi_5ghz[ant]); 1683 sc->rssi_5ghz[ant] = 0; 1684 } 1685 } 1686 return (0); 1687 } 1688 1689 static struct ieee80211_node * 1690 run_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 1691 { 1692 return malloc(sizeof (struct run_node), M_DEVBUF, M_NOWAIT | M_ZERO); 1693 } 1694 1695 static int 1696 run_media_change(struct ifnet *ifp) 1697 { 1698 struct ieee80211vap *vap = ifp->if_softc; 1699 struct ieee80211com *ic = vap->iv_ic; 1700 const struct ieee80211_txparam *tp; 1701 struct run_softc *sc = ic->ic_ifp->if_softc; 1702 uint8_t rate, ridx; 1703 int error; 1704 1705 RUN_LOCK(sc); 1706 1707 error = ieee80211_media_change(ifp); 1708 if (error != ENETRESET) { 1709 RUN_UNLOCK(sc); 1710 return (error); 1711 } 1712 1713 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 1714 if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) { 1715 struct ieee80211_node *ni; 1716 struct run_node *rn; 1717 1718 rate = ic->ic_sup_rates[ic->ic_curmode]. 1719 rs_rates[tp->ucastrate] & IEEE80211_RATE_VAL; 1720 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++) 1721 if (rt2860_rates[ridx].rate == rate) 1722 break; 1723 ni = ieee80211_ref_node(vap->iv_bss); 1724 rn = (struct run_node *)ni; 1725 rn->fix_ridx = ridx; 1726 DPRINTF("rate=%d, fix_ridx=%d\n", rate, rn->fix_ridx); 1727 ieee80211_free_node(ni); 1728 } 1729 1730 #if 0 1731 if ((ifp->if_flags & IFF_UP) && 1732 (ifp->if_drv_flags & IFF_DRV_RUNNING)){ 1733 run_init_locked(sc); 1734 } 1735 #endif 1736 1737 RUN_UNLOCK(sc); 1738 1739 return (0); 1740 } 1741 1742 static int 1743 run_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1744 { 1745 const struct ieee80211_txparam *tp; 1746 struct ieee80211com *ic = vap->iv_ic; 1747 struct run_softc *sc = ic->ic_ifp->if_softc; 1748 struct run_vap *rvp = RUN_VAP(vap); 1749 enum ieee80211_state ostate; 1750 uint32_t sta[3]; 1751 uint32_t tmp; 1752 uint8_t ratectl; 1753 uint8_t restart_ratectl = 0; 1754 uint8_t bid = 1 << rvp->rvp_id; 1755 1756 ostate = vap->iv_state; 1757 DPRINTF("%s -> %s\n", 1758 ieee80211_state_name[ostate], 1759 ieee80211_state_name[nstate]); 1760 1761 IEEE80211_UNLOCK(ic); 1762 RUN_LOCK(sc); 1763 1764 ratectl = sc->ratectl_run; /* remember current state */ 1765 sc->ratectl_run = RUN_RATECTL_OFF; 1766 usb_callout_stop(&sc->ratectl_ch); 1767 1768 if (ostate == IEEE80211_S_RUN) { 1769 /* turn link LED off */ 1770 run_set_leds(sc, RT2860_LED_RADIO); 1771 } 1772 1773 switch (nstate) { 1774 case IEEE80211_S_INIT: 1775 restart_ratectl = 1; 1776 1777 if (ostate != IEEE80211_S_RUN) 1778 break; 1779 1780 ratectl &= ~bid; 1781 sc->runbmap &= ~bid; 1782 1783 /* abort TSF synchronization if there is no vap running */ 1784 if (--sc->running == 0) { 1785 run_read(sc, RT2860_BCN_TIME_CFG, &tmp); 1786 run_write(sc, RT2860_BCN_TIME_CFG, 1787 tmp & ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN | 1788 RT2860_TBTT_TIMER_EN)); 1789 } 1790 break; 1791 1792 case IEEE80211_S_RUN: 1793 if (!(sc->runbmap & bid)) { 1794 if(sc->running++) 1795 restart_ratectl = 1; 1796 sc->runbmap |= bid; 1797 } 1798 1799 m_freem(rvp->beacon_mbuf); 1800 rvp->beacon_mbuf = NULL; 1801 1802 switch (vap->iv_opmode) { 1803 case IEEE80211_M_HOSTAP: 1804 case IEEE80211_M_MBSS: 1805 sc->ap_running |= bid; 1806 ic->ic_opmode = vap->iv_opmode; 1807 run_update_beacon_cb(vap); 1808 break; 1809 case IEEE80211_M_IBSS: 1810 sc->adhoc_running |= bid; 1811 if (!sc->ap_running) 1812 ic->ic_opmode = vap->iv_opmode; 1813 run_update_beacon_cb(vap); 1814 break; 1815 case IEEE80211_M_STA: 1816 sc->sta_running |= bid; 1817 if (!sc->ap_running && !sc->adhoc_running) 1818 ic->ic_opmode = vap->iv_opmode; 1819 1820 /* read statistic counters (clear on read) */ 1821 run_read_region_1(sc, RT2860_TX_STA_CNT0, 1822 (uint8_t *)sta, sizeof sta); 1823 1824 break; 1825 default: 1826 ic->ic_opmode = vap->iv_opmode; 1827 break; 1828 } 1829 1830 if (vap->iv_opmode != IEEE80211_M_MONITOR) { 1831 struct ieee80211_node *ni; 1832 1833 run_updateslot(ic->ic_ifp); 1834 run_enable_mrr(sc); 1835 run_set_txpreamble(sc); 1836 run_set_basicrates(sc); 1837 ni = ieee80211_ref_node(vap->iv_bss); 1838 IEEE80211_ADDR_COPY(sc->sc_bssid, ni->ni_bssid); 1839 run_set_bssid(sc, ni->ni_bssid); 1840 ieee80211_free_node(ni); 1841 run_enable_tsf_sync(sc); 1842 1843 /* enable automatic rate adaptation */ 1844 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 1845 if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) 1846 ratectl |= bid; 1847 } 1848 1849 /* turn link LED on */ 1850 run_set_leds(sc, RT2860_LED_RADIO | 1851 (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan) ? 1852 RT2860_LED_LINK_2GHZ : RT2860_LED_LINK_5GHZ)); 1853 1854 break; 1855 default: 1856 DPRINTFN(6, "undefined case\n"); 1857 break; 1858 } 1859 1860 /* restart amrr for running VAPs */ 1861 if ((sc->ratectl_run = ratectl) && restart_ratectl) 1862 usb_callout_reset(&sc->ratectl_ch, hz, run_ratectl_to, sc); 1863 1864 RUN_UNLOCK(sc); 1865 IEEE80211_LOCK(ic); 1866 1867 return(rvp->newstate(vap, nstate, arg)); 1868 } 1869 1870 /* ARGSUSED */ 1871 static void 1872 run_wme_update_cb(void *arg) 1873 { 1874 struct ieee80211com *ic = arg; 1875 struct run_softc *sc = ic->ic_ifp->if_softc; 1876 struct ieee80211_wme_state *wmesp = &ic->ic_wme; 1877 int aci, error = 0; 1878 1879 RUN_LOCK_ASSERT(sc, MA_OWNED); 1880 1881 /* update MAC TX configuration registers */ 1882 for (aci = 0; aci < WME_NUM_AC; aci++) { 1883 error = run_write(sc, RT2860_EDCA_AC_CFG(aci), 1884 wmesp->wme_params[aci].wmep_logcwmax << 16 | 1885 wmesp->wme_params[aci].wmep_logcwmin << 12 | 1886 wmesp->wme_params[aci].wmep_aifsn << 8 | 1887 wmesp->wme_params[aci].wmep_txopLimit); 1888 if (error) goto err; 1889 } 1890 1891 /* update SCH/DMA registers too */ 1892 error = run_write(sc, RT2860_WMM_AIFSN_CFG, 1893 wmesp->wme_params[WME_AC_VO].wmep_aifsn << 12 | 1894 wmesp->wme_params[WME_AC_VI].wmep_aifsn << 8 | 1895 wmesp->wme_params[WME_AC_BK].wmep_aifsn << 4 | 1896 wmesp->wme_params[WME_AC_BE].wmep_aifsn); 1897 if (error) goto err; 1898 error = run_write(sc, RT2860_WMM_CWMIN_CFG, 1899 wmesp->wme_params[WME_AC_VO].wmep_logcwmin << 12 | 1900 wmesp->wme_params[WME_AC_VI].wmep_logcwmin << 8 | 1901 wmesp->wme_params[WME_AC_BK].wmep_logcwmin << 4 | 1902 wmesp->wme_params[WME_AC_BE].wmep_logcwmin); 1903 if (error) goto err; 1904 error = run_write(sc, RT2860_WMM_CWMAX_CFG, 1905 wmesp->wme_params[WME_AC_VO].wmep_logcwmax << 12 | 1906 wmesp->wme_params[WME_AC_VI].wmep_logcwmax << 8 | 1907 wmesp->wme_params[WME_AC_BK].wmep_logcwmax << 4 | 1908 wmesp->wme_params[WME_AC_BE].wmep_logcwmax); 1909 if (error) goto err; 1910 error = run_write(sc, RT2860_WMM_TXOP0_CFG, 1911 wmesp->wme_params[WME_AC_BK].wmep_txopLimit << 16 | 1912 wmesp->wme_params[WME_AC_BE].wmep_txopLimit); 1913 if (error) goto err; 1914 error = run_write(sc, RT2860_WMM_TXOP1_CFG, 1915 wmesp->wme_params[WME_AC_VO].wmep_txopLimit << 16 | 1916 wmesp->wme_params[WME_AC_VI].wmep_txopLimit); 1917 1918 err: 1919 if (error) 1920 DPRINTF("WME update failed\n"); 1921 1922 return; 1923 } 1924 1925 static int 1926 run_wme_update(struct ieee80211com *ic) 1927 { 1928 struct run_softc *sc = ic->ic_ifp->if_softc; 1929 1930 /* sometime called wothout lock */ 1931 if (mtx_owned(&ic->ic_comlock.mtx)) { 1932 uint32_t i = RUN_CMDQ_GET(&sc->cmdq_store); 1933 DPRINTF("cmdq_store=%d\n", i); 1934 sc->cmdq[i].func = run_wme_update_cb; 1935 sc->cmdq[i].arg0 = ic; 1936 ieee80211_runtask(ic, &sc->cmdq_task); 1937 return (0); 1938 } 1939 1940 RUN_LOCK(sc); 1941 run_wme_update_cb(ic); 1942 RUN_UNLOCK(sc); 1943 1944 /* return whatever, upper layer desn't care anyway */ 1945 return (0); 1946 } 1947 1948 static void 1949 run_key_update_begin(struct ieee80211vap *vap) 1950 { 1951 /* 1952 * To avoid out-of-order events, both run_key_set() and 1953 * _delete() are deferred and handled by run_cmdq_cb(). 1954 * So, there is nothing we need to do here. 1955 */ 1956 } 1957 1958 static void 1959 run_key_update_end(struct ieee80211vap *vap) 1960 { 1961 /* null */ 1962 } 1963 1964 static void 1965 run_key_set_cb(void *arg) 1966 { 1967 struct run_cmdq *cmdq = arg; 1968 struct ieee80211vap *vap = cmdq->arg1; 1969 struct ieee80211_key *k = cmdq->k; 1970 struct ieee80211com *ic = vap->iv_ic; 1971 struct run_softc *sc = ic->ic_ifp->if_softc; 1972 struct ieee80211_node *ni; 1973 uint32_t attr; 1974 uint16_t base, associd; 1975 uint8_t mode, wcid, iv[8]; 1976 1977 RUN_LOCK_ASSERT(sc, MA_OWNED); 1978 1979 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1980 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, cmdq->mac); 1981 else 1982 ni = vap->iv_bss; 1983 associd = (ni != NULL) ? ni->ni_associd : 0; 1984 1985 /* map net80211 cipher to RT2860 security mode */ 1986 switch (k->wk_cipher->ic_cipher) { 1987 case IEEE80211_CIPHER_WEP: 1988 if(k->wk_keylen < 8) 1989 mode = RT2860_MODE_WEP40; 1990 else 1991 mode = RT2860_MODE_WEP104; 1992 break; 1993 case IEEE80211_CIPHER_TKIP: 1994 mode = RT2860_MODE_TKIP; 1995 break; 1996 case IEEE80211_CIPHER_AES_CCM: 1997 mode = RT2860_MODE_AES_CCMP; 1998 break; 1999 default: 2000 DPRINTF("undefined case\n"); 2001 return; 2002 } 2003 2004 DPRINTFN(1, "associd=%x, keyix=%d, mode=%x, type=%s, tx=%s, rx=%s\n", 2005 associd, k->wk_keyix, mode, 2006 (k->wk_flags & IEEE80211_KEY_GROUP) ? "group" : "pairwise", 2007 (k->wk_flags & IEEE80211_KEY_XMIT) ? "on" : "off", 2008 (k->wk_flags & IEEE80211_KEY_RECV) ? "on" : "off"); 2009 2010 if (k->wk_flags & IEEE80211_KEY_GROUP) { 2011 wcid = 0; /* NB: update WCID0 for group keys */ 2012 base = RT2860_SKEY(RUN_VAP(vap)->rvp_id, k->wk_keyix); 2013 } else { 2014 wcid = RUN_AID2WCID(associd); 2015 base = RT2860_PKEY(wcid); 2016 } 2017 2018 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) { 2019 if(run_write_region_1(sc, base, k->wk_key, 16)) 2020 return; 2021 if(run_write_region_1(sc, base + 16, &k->wk_key[16], 8)) /* wk_txmic */ 2022 return; 2023 if(run_write_region_1(sc, base + 24, &k->wk_key[24], 8)) /* wk_rxmic */ 2024 return; 2025 } else { 2026 /* roundup len to 16-bit: XXX fix write_region_1() instead */ 2027 if(run_write_region_1(sc, base, k->wk_key, (k->wk_keylen + 1) & ~1)) 2028 return; 2029 } 2030 2031 if (!(k->wk_flags & IEEE80211_KEY_GROUP) || 2032 (k->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))) { 2033 /* set initial packet number in IV+EIV */ 2034 if (k->wk_cipher == IEEE80211_CIPHER_WEP) { 2035 memset(iv, 0, sizeof iv); 2036 iv[3] = vap->iv_def_txkey << 6; 2037 } else { 2038 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) { 2039 iv[0] = k->wk_keytsc >> 8; 2040 iv[1] = (iv[0] | 0x20) & 0x7f; 2041 iv[2] = k->wk_keytsc; 2042 } else /* CCMP */ { 2043 iv[0] = k->wk_keytsc; 2044 iv[1] = k->wk_keytsc >> 8; 2045 iv[2] = 0; 2046 } 2047 iv[3] = k->wk_keyix << 6 | IEEE80211_WEP_EXTIV; 2048 iv[4] = k->wk_keytsc >> 16; 2049 iv[5] = k->wk_keytsc >> 24; 2050 iv[6] = k->wk_keytsc >> 32; 2051 iv[7] = k->wk_keytsc >> 40; 2052 } 2053 if (run_write_region_1(sc, RT2860_IVEIV(wcid), iv, 8)) 2054 return; 2055 } 2056 2057 if (k->wk_flags & IEEE80211_KEY_GROUP) { 2058 /* install group key */ 2059 if (run_read(sc, RT2860_SKEY_MODE_0_7, &attr)) 2060 return; 2061 attr &= ~(0xf << (k->wk_keyix * 4)); 2062 attr |= mode << (k->wk_keyix * 4); 2063 if (run_write(sc, RT2860_SKEY_MODE_0_7, attr)) 2064 return; 2065 } else { 2066 /* install pairwise key */ 2067 if (run_read(sc, RT2860_WCID_ATTR(wcid), &attr)) 2068 return; 2069 attr = (attr & ~0xf) | (mode << 1) | RT2860_RX_PKEY_EN; 2070 if (run_write(sc, RT2860_WCID_ATTR(wcid), attr)) 2071 return; 2072 } 2073 2074 /* TODO create a pass-thru key entry? */ 2075 2076 /* need wcid to delete the right key later */ 2077 k->wk_pad = wcid; 2078 } 2079 2080 /* 2081 * Don't have to be deferred, but in order to keep order of 2082 * execution, i.e. with run_key_delete(), defer this and let 2083 * run_cmdq_cb() maintain the order. 2084 * 2085 * return 0 on error 2086 */ 2087 static int 2088 run_key_set(struct ieee80211vap *vap, struct ieee80211_key *k, 2089 const uint8_t mac[IEEE80211_ADDR_LEN]) 2090 { 2091 struct ieee80211com *ic = vap->iv_ic; 2092 struct run_softc *sc = ic->ic_ifp->if_softc; 2093 uint32_t i; 2094 2095 i = RUN_CMDQ_GET(&sc->cmdq_store); 2096 DPRINTF("cmdq_store=%d\n", i); 2097 sc->cmdq[i].func = run_key_set_cb; 2098 sc->cmdq[i].arg0 = NULL; 2099 sc->cmdq[i].arg1 = vap; 2100 sc->cmdq[i].k = k; 2101 IEEE80211_ADDR_COPY(sc->cmdq[i].mac, mac); 2102 ieee80211_runtask(ic, &sc->cmdq_task); 2103 2104 /* 2105 * To make sure key will be set when hostapd 2106 * calls iv_key_set() before if_init(). 2107 */ 2108 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 2109 RUN_LOCK(sc); 2110 sc->cmdq_key_set = RUN_CMDQ_GO; 2111 RUN_UNLOCK(sc); 2112 } 2113 2114 return (1); 2115 } 2116 2117 /* 2118 * If wlan is destroyed without being brought down i.e. without 2119 * wlan down or wpa_cli terminate, this function is called after 2120 * vap is gone. Don't refer it. 2121 */ 2122 static void 2123 run_key_delete_cb(void *arg) 2124 { 2125 struct run_cmdq *cmdq = arg; 2126 struct run_softc *sc = cmdq->arg1; 2127 struct ieee80211_key *k = &cmdq->key; 2128 uint32_t attr; 2129 uint8_t wcid; 2130 2131 RUN_LOCK_ASSERT(sc, MA_OWNED); 2132 2133 if (k->wk_flags & IEEE80211_KEY_GROUP) { 2134 /* remove group key */ 2135 DPRINTF("removing group key\n"); 2136 run_read(sc, RT2860_SKEY_MODE_0_7, &attr); 2137 attr &= ~(0xf << (k->wk_keyix * 4)); 2138 run_write(sc, RT2860_SKEY_MODE_0_7, attr); 2139 } else { 2140 /* remove pairwise key */ 2141 DPRINTF("removing key for wcid %x\n", k->wk_pad); 2142 /* matching wcid was written to wk_pad in run_key_set() */ 2143 wcid = k->wk_pad; 2144 run_read(sc, RT2860_WCID_ATTR(wcid), &attr); 2145 attr &= ~0xf; 2146 run_write(sc, RT2860_WCID_ATTR(wcid), attr); 2147 run_set_region_4(sc, RT2860_WCID_ENTRY(wcid), 0, 8); 2148 } 2149 2150 k->wk_pad = 0; 2151 } 2152 2153 /* 2154 * return 0 on error 2155 */ 2156 static int 2157 run_key_delete(struct ieee80211vap *vap, struct ieee80211_key *k) 2158 { 2159 struct ieee80211com *ic = vap->iv_ic; 2160 struct run_softc *sc = ic->ic_ifp->if_softc; 2161 struct ieee80211_key *k0; 2162 uint32_t i; 2163 2164 /* 2165 * When called back, key might be gone. So, make a copy 2166 * of some values need to delete keys before deferring. 2167 * But, because of LOR with node lock, cannot use lock here. 2168 * So, use atomic instead. 2169 */ 2170 i = RUN_CMDQ_GET(&sc->cmdq_store); 2171 DPRINTF("cmdq_store=%d\n", i); 2172 sc->cmdq[i].func = run_key_delete_cb; 2173 sc->cmdq[i].arg0 = NULL; 2174 sc->cmdq[i].arg1 = sc; 2175 k0 = &sc->cmdq[i].key; 2176 k0->wk_flags = k->wk_flags; 2177 k0->wk_keyix = k->wk_keyix; 2178 /* matching wcid was written to wk_pad in run_key_set() */ 2179 k0->wk_pad = k->wk_pad; 2180 ieee80211_runtask(ic, &sc->cmdq_task); 2181 return (1); /* return fake success */ 2182 2183 } 2184 2185 static void 2186 run_ratectl_to(void *arg) 2187 { 2188 struct run_softc *sc = arg; 2189 2190 /* do it in a process context, so it can go sleep */ 2191 ieee80211_runtask(sc->sc_ifp->if_l2com, &sc->ratectl_task); 2192 /* next timeout will be rescheduled in the callback task */ 2193 } 2194 2195 /* ARGSUSED */ 2196 static void 2197 run_ratectl_cb(void *arg, int pending) 2198 { 2199 struct run_softc *sc = arg; 2200 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 2201 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2202 2203 if (vap == NULL) 2204 return; 2205 2206 if (sc->rvp_cnt <= 1 && vap->iv_opmode == IEEE80211_M_STA) 2207 run_iter_func(sc, vap->iv_bss); 2208 else { 2209 /* 2210 * run_reset_livelock() doesn't do anything with AMRR, 2211 * but Ralink wants us to call it every 1 sec. So, we 2212 * piggyback here rather than creating another callout. 2213 * Livelock may occur only in HOSTAP or IBSS mode 2214 * (when h/w is sending beacons). 2215 */ 2216 RUN_LOCK(sc); 2217 run_reset_livelock(sc); 2218 /* just in case, there are some stats to drain */ 2219 run_drain_fifo(sc); 2220 RUN_UNLOCK(sc); 2221 ieee80211_iterate_nodes(&ic->ic_sta, run_iter_func, sc); 2222 } 2223 2224 if(sc->ratectl_run != RUN_RATECTL_OFF) 2225 usb_callout_reset(&sc->ratectl_ch, hz, run_ratectl_to, sc); 2226 } 2227 2228 static void 2229 run_drain_fifo(void *arg) 2230 { 2231 struct run_softc *sc = arg; 2232 struct ifnet *ifp = sc->sc_ifp; 2233 uint32_t stat; 2234 uint16_t (*wstat)[3]; 2235 uint8_t wcid, mcs, pid; 2236 int8_t retry; 2237 2238 RUN_LOCK_ASSERT(sc, MA_OWNED); 2239 2240 for (;;) { 2241 /* drain Tx status FIFO (maxsize = 16) */ 2242 run_read(sc, RT2860_TX_STAT_FIFO, &stat); 2243 DPRINTFN(4, "tx stat 0x%08x\n", stat); 2244 if (!(stat & RT2860_TXQ_VLD)) 2245 break; 2246 2247 wcid = (stat >> RT2860_TXQ_WCID_SHIFT) & 0xff; 2248 2249 /* if no ACK was requested, no feedback is available */ 2250 if (!(stat & RT2860_TXQ_ACKREQ) || wcid > RT2870_WCID_MAX || 2251 wcid == 0) 2252 continue; 2253 2254 /* 2255 * Even though each stat is Tx-complete-status like format, 2256 * the device can poll stats. Because there is no guarantee 2257 * that the referring node is still around when read the stats. 2258 * So that, if we use ieee80211_ratectl_tx_update(), we will 2259 * have hard time not to refer already freed node. 2260 * 2261 * To eliminate such page faults, we poll stats in softc. 2262 * Then, update the rates later with ieee80211_ratectl_tx_update(). 2263 */ 2264 wstat = &(sc->wcid_stats[wcid]); 2265 (*wstat)[RUN_TXCNT]++; 2266 if (stat & RT2860_TXQ_OK) 2267 (*wstat)[RUN_SUCCESS]++; 2268 else 2269 ifp->if_oerrors++; 2270 /* 2271 * Check if there were retries, ie if the Tx success rate is 2272 * different from the requested rate. Note that it works only 2273 * because we do not allow rate fallback from OFDM to CCK. 2274 */ 2275 mcs = (stat >> RT2860_TXQ_MCS_SHIFT) & 0x7f; 2276 pid = (stat >> RT2860_TXQ_PID_SHIFT) & 0xf; 2277 if ((retry = pid -1 - mcs) > 0) { 2278 (*wstat)[RUN_TXCNT] += retry; 2279 (*wstat)[RUN_RETRY] += retry; 2280 } 2281 } 2282 DPRINTFN(3, "count=%d\n", sc->fifo_cnt); 2283 2284 sc->fifo_cnt = 0; 2285 } 2286 2287 static void 2288 run_iter_func(void *arg, struct ieee80211_node *ni) 2289 { 2290 struct run_softc *sc = arg; 2291 struct ieee80211vap *vap = ni->ni_vap; 2292 struct ieee80211com *ic = ni->ni_ic; 2293 struct ifnet *ifp = ic->ic_ifp; 2294 struct run_node *rn = (void *)ni; 2295 union run_stats sta[2]; 2296 uint16_t (*wstat)[3]; 2297 int txcnt, success, retrycnt, error; 2298 2299 RUN_LOCK(sc); 2300 2301 if (sc->rvp_cnt <= 1 && (vap->iv_opmode == IEEE80211_M_IBSS || 2302 vap->iv_opmode == IEEE80211_M_STA)) { 2303 /* read statistic counters (clear on read) and update AMRR state */ 2304 error = run_read_region_1(sc, RT2860_TX_STA_CNT0, (uint8_t *)sta, 2305 sizeof sta); 2306 if (error != 0) 2307 goto fail; 2308 2309 /* count failed TX as errors */ 2310 ifp->if_oerrors += le16toh(sta[0].error.fail); 2311 2312 retrycnt = le16toh(sta[1].tx.retry); 2313 success = le16toh(sta[1].tx.success); 2314 txcnt = retrycnt + success + le16toh(sta[0].error.fail); 2315 2316 DPRINTFN(3, "retrycnt=%d success=%d failcnt=%d\n", 2317 retrycnt, success, le16toh(sta[0].error.fail)); 2318 } else { 2319 wstat = &(sc->wcid_stats[RUN_AID2WCID(ni->ni_associd)]); 2320 2321 if (wstat == &(sc->wcid_stats[0]) || 2322 wstat > &(sc->wcid_stats[RT2870_WCID_MAX])) 2323 goto fail; 2324 2325 txcnt = (*wstat)[RUN_TXCNT]; 2326 success = (*wstat)[RUN_SUCCESS]; 2327 retrycnt = (*wstat)[RUN_RETRY]; 2328 DPRINTFN(3, "retrycnt=%d txcnt=%d success=%d\n", 2329 retrycnt, txcnt, success); 2330 2331 memset(wstat, 0, sizeof(*wstat)); 2332 } 2333 2334 ieee80211_ratectl_tx_update(vap, ni, &txcnt, &success, &retrycnt); 2335 rn->amrr_ridx = ieee80211_ratectl_rate(ni, NULL, 0); 2336 2337 fail: 2338 RUN_UNLOCK(sc); 2339 2340 DPRINTFN(3, "ridx=%d\n", rn->amrr_ridx); 2341 } 2342 2343 static void 2344 run_newassoc_cb(void *arg) 2345 { 2346 struct run_cmdq *cmdq = arg; 2347 struct ieee80211_node *ni = cmdq->arg1; 2348 struct run_softc *sc = ni->ni_vap->iv_ic->ic_ifp->if_softc; 2349 uint8_t wcid = cmdq->wcid; 2350 2351 RUN_LOCK_ASSERT(sc, MA_OWNED); 2352 2353 run_write_region_1(sc, RT2860_WCID_ENTRY(wcid), 2354 ni->ni_macaddr, IEEE80211_ADDR_LEN); 2355 2356 memset(&(sc->wcid_stats[wcid]), 0, sizeof(sc->wcid_stats[wcid])); 2357 } 2358 2359 static void 2360 run_newassoc(struct ieee80211_node *ni, int isnew) 2361 { 2362 struct run_node *rn = (void *)ni; 2363 struct ieee80211_rateset *rs = &ni->ni_rates; 2364 struct ieee80211vap *vap = ni->ni_vap; 2365 struct ieee80211com *ic = vap->iv_ic; 2366 struct run_softc *sc = ic->ic_ifp->if_softc; 2367 uint8_t rate; 2368 uint8_t ridx; 2369 uint8_t wcid = RUN_AID2WCID(ni->ni_associd); 2370 int i, j; 2371 2372 if (wcid > RT2870_WCID_MAX) { 2373 device_printf(sc->sc_dev, "wcid=%d out of range\n", wcid); 2374 return; 2375 } 2376 2377 /* only interested in true associations */ 2378 if (isnew && ni->ni_associd != 0) { 2379 2380 /* 2381 * This function could is called though timeout function. 2382 * Need to defer. 2383 */ 2384 uint32_t cnt = RUN_CMDQ_GET(&sc->cmdq_store); 2385 DPRINTF("cmdq_store=%d\n", cnt); 2386 sc->cmdq[cnt].func = run_newassoc_cb; 2387 sc->cmdq[cnt].arg0 = NULL; 2388 sc->cmdq[cnt].arg1 = ni; 2389 sc->cmdq[cnt].wcid = wcid; 2390 ieee80211_runtask(ic, &sc->cmdq_task); 2391 } 2392 2393 DPRINTF("new assoc isnew=%d associd=%x addr=%s\n", 2394 isnew, ni->ni_associd, ether_sprintf(ni->ni_macaddr)); 2395 2396 for (i = 0; i < rs->rs_nrates; i++) { 2397 rate = rs->rs_rates[i] & IEEE80211_RATE_VAL; 2398 /* convert 802.11 rate to hardware rate index */ 2399 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++) 2400 if (rt2860_rates[ridx].rate == rate) 2401 break; 2402 rn->ridx[i] = ridx; 2403 /* determine rate of control response frames */ 2404 for (j = i; j >= 0; j--) { 2405 if ((rs->rs_rates[j] & IEEE80211_RATE_BASIC) && 2406 rt2860_rates[rn->ridx[i]].phy == 2407 rt2860_rates[rn->ridx[j]].phy) 2408 break; 2409 } 2410 if (j >= 0) { 2411 rn->ctl_ridx[i] = rn->ridx[j]; 2412 } else { 2413 /* no basic rate found, use mandatory one */ 2414 rn->ctl_ridx[i] = rt2860_rates[ridx].ctl_ridx; 2415 } 2416 DPRINTF("rate=0x%02x ridx=%d ctl_ridx=%d\n", 2417 rs->rs_rates[i], rn->ridx[i], rn->ctl_ridx[i]); 2418 } 2419 rate = vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)].mgmtrate; 2420 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++) 2421 if (rt2860_rates[ridx].rate == rate) 2422 break; 2423 rn->mgt_ridx = ridx; 2424 DPRINTF("rate=%d, mgmt_ridx=%d\n", rate, rn->mgt_ridx); 2425 2426 usb_callout_reset(&sc->ratectl_ch, hz, run_ratectl_to, sc); 2427 } 2428 2429 /* 2430 * Return the Rx chain with the highest RSSI for a given frame. 2431 */ 2432 static __inline uint8_t 2433 run_maxrssi_chain(struct run_softc *sc, const struct rt2860_rxwi *rxwi) 2434 { 2435 uint8_t rxchain = 0; 2436 2437 if (sc->nrxchains > 1) { 2438 if (rxwi->rssi[1] > rxwi->rssi[rxchain]) 2439 rxchain = 1; 2440 if (sc->nrxchains > 2) 2441 if (rxwi->rssi[2] > rxwi->rssi[rxchain]) 2442 rxchain = 2; 2443 } 2444 return (rxchain); 2445 } 2446 2447 static void 2448 run_rx_frame(struct run_softc *sc, struct mbuf *m, uint32_t dmalen) 2449 { 2450 struct ifnet *ifp = sc->sc_ifp; 2451 struct ieee80211com *ic = ifp->if_l2com; 2452 struct ieee80211_frame *wh; 2453 struct ieee80211_node *ni; 2454 struct rt2870_rxd *rxd; 2455 struct rt2860_rxwi *rxwi; 2456 uint32_t flags; 2457 uint16_t len, phy; 2458 uint8_t ant, rssi; 2459 int8_t nf; 2460 2461 rxwi = mtod(m, struct rt2860_rxwi *); 2462 len = le16toh(rxwi->len) & 0xfff; 2463 if (__predict_false(len > dmalen)) { 2464 m_freem(m); 2465 ifp->if_ierrors++; 2466 DPRINTF("bad RXWI length %u > %u\n", len, dmalen); 2467 return; 2468 } 2469 /* Rx descriptor is located at the end */ 2470 rxd = (struct rt2870_rxd *)(mtod(m, caddr_t) + dmalen); 2471 flags = le32toh(rxd->flags); 2472 2473 if (__predict_false(flags & (RT2860_RX_CRCERR | RT2860_RX_ICVERR))) { 2474 m_freem(m); 2475 ifp->if_ierrors++; 2476 DPRINTF("%s error.\n", (flags & RT2860_RX_CRCERR)?"CRC":"ICV"); 2477 return; 2478 } 2479 2480 m->m_data += sizeof(struct rt2860_rxwi); 2481 m->m_pkthdr.len = m->m_len -= sizeof(struct rt2860_rxwi); 2482 2483 wh = mtod(m, struct ieee80211_frame *); 2484 2485 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2486 wh->i_fc[1] &= ~IEEE80211_FC1_WEP; 2487 m->m_flags |= M_WEP; 2488 } 2489 2490 if (flags & RT2860_RX_L2PAD) { 2491 DPRINTFN(8, "received RT2860_RX_L2PAD frame\n"); 2492 len += 2; 2493 } 2494 2495 ni = ieee80211_find_rxnode(ic, 2496 mtod(m, struct ieee80211_frame_min *)); 2497 2498 if (__predict_false(flags & RT2860_RX_MICERR)) { 2499 /* report MIC failures to net80211 for TKIP */ 2500 if (ni != NULL) 2501 ieee80211_notify_michael_failure(ni->ni_vap, wh, rxwi->keyidx); 2502 m_freem(m); 2503 ifp->if_ierrors++; 2504 DPRINTF("MIC error. Someone is lying.\n"); 2505 return; 2506 } 2507 2508 ant = run_maxrssi_chain(sc, rxwi); 2509 rssi = rxwi->rssi[ant]; 2510 nf = run_rssi2dbm(sc, rssi, ant); 2511 2512 m->m_pkthdr.rcvif = ifp; 2513 m->m_pkthdr.len = m->m_len = len; 2514 2515 if (ni != NULL) { 2516 (void)ieee80211_input(ni, m, rssi, nf); 2517 ieee80211_free_node(ni); 2518 } else { 2519 (void)ieee80211_input_all(ic, m, rssi, nf); 2520 } 2521 2522 if (__predict_false(ieee80211_radiotap_active(ic))) { 2523 struct run_rx_radiotap_header *tap = &sc->sc_rxtap; 2524 2525 tap->wr_flags = 0; 2526 tap->wr_chan_freq = htole16(ic->ic_bsschan->ic_freq); 2527 tap->wr_chan_flags = htole16(ic->ic_bsschan->ic_flags); 2528 tap->wr_antsignal = rssi; 2529 tap->wr_antenna = ant; 2530 tap->wr_dbm_antsignal = run_rssi2dbm(sc, rssi, ant); 2531 tap->wr_rate = 2; /* in case it can't be found below */ 2532 phy = le16toh(rxwi->phy); 2533 switch (phy & RT2860_PHY_MODE) { 2534 case RT2860_PHY_CCK: 2535 switch ((phy & RT2860_PHY_MCS) & ~RT2860_PHY_SHPRE) { 2536 case 0: tap->wr_rate = 2; break; 2537 case 1: tap->wr_rate = 4; break; 2538 case 2: tap->wr_rate = 11; break; 2539 case 3: tap->wr_rate = 22; break; 2540 } 2541 if (phy & RT2860_PHY_SHPRE) 2542 tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 2543 break; 2544 case RT2860_PHY_OFDM: 2545 switch (phy & RT2860_PHY_MCS) { 2546 case 0: tap->wr_rate = 12; break; 2547 case 1: tap->wr_rate = 18; break; 2548 case 2: tap->wr_rate = 24; break; 2549 case 3: tap->wr_rate = 36; break; 2550 case 4: tap->wr_rate = 48; break; 2551 case 5: tap->wr_rate = 72; break; 2552 case 6: tap->wr_rate = 96; break; 2553 case 7: tap->wr_rate = 108; break; 2554 } 2555 break; 2556 } 2557 } 2558 } 2559 2560 static void 2561 run_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error) 2562 { 2563 struct run_softc *sc = usbd_xfer_softc(xfer); 2564 struct ifnet *ifp = sc->sc_ifp; 2565 struct mbuf *m = NULL; 2566 struct mbuf *m0; 2567 uint32_t dmalen; 2568 int xferlen; 2569 2570 usbd_xfer_status(xfer, &xferlen, NULL, NULL, NULL); 2571 2572 switch (USB_GET_STATE(xfer)) { 2573 case USB_ST_TRANSFERRED: 2574 2575 DPRINTFN(15, "rx done, actlen=%d\n", xferlen); 2576 2577 if (xferlen < (int)(sizeof(uint32_t) + 2578 sizeof(struct rt2860_rxwi) + sizeof(struct rt2870_rxd))) { 2579 DPRINTF("xfer too short %d\n", xferlen); 2580 goto tr_setup; 2581 } 2582 2583 m = sc->rx_m; 2584 sc->rx_m = NULL; 2585 2586 /* FALLTHROUGH */ 2587 case USB_ST_SETUP: 2588 tr_setup: 2589 if (sc->rx_m == NULL) { 2590 sc->rx_m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, 2591 MJUMPAGESIZE /* xfer can be bigger than MCLBYTES */); 2592 } 2593 if (sc->rx_m == NULL) { 2594 DPRINTF("could not allocate mbuf - idle with stall\n"); 2595 ifp->if_ierrors++; 2596 usbd_xfer_set_stall(xfer); 2597 usbd_xfer_set_frames(xfer, 0); 2598 } else { 2599 /* 2600 * Directly loading a mbuf cluster into DMA to 2601 * save some data copying. This works because 2602 * there is only one cluster. 2603 */ 2604 usbd_xfer_set_frame_data(xfer, 0, 2605 mtod(sc->rx_m, caddr_t), RUN_MAX_RXSZ); 2606 usbd_xfer_set_frames(xfer, 1); 2607 } 2608 usbd_transfer_submit(xfer); 2609 break; 2610 2611 default: /* Error */ 2612 if (error != USB_ERR_CANCELLED) { 2613 /* try to clear stall first */ 2614 usbd_xfer_set_stall(xfer); 2615 2616 if (error == USB_ERR_TIMEOUT) 2617 device_printf(sc->sc_dev, "device timeout\n"); 2618 2619 ifp->if_ierrors++; 2620 2621 goto tr_setup; 2622 } 2623 if (sc->rx_m != NULL) { 2624 m_freem(sc->rx_m); 2625 sc->rx_m = NULL; 2626 } 2627 break; 2628 } 2629 2630 if (m == NULL) 2631 return; 2632 2633 /* inputting all the frames must be last */ 2634 2635 RUN_UNLOCK(sc); 2636 2637 m->m_pkthdr.len = m->m_len = xferlen; 2638 2639 /* HW can aggregate multiple 802.11 frames in a single USB xfer */ 2640 for(;;) { 2641 dmalen = le32toh(*mtod(m, uint32_t *)) & 0xffff; 2642 2643 if ((dmalen >= (uint32_t)-8) || (dmalen == 0) || 2644 ((dmalen & 3) != 0)) { 2645 DPRINTF("bad DMA length %u\n", dmalen); 2646 break; 2647 } 2648 if ((dmalen + 8) > (uint32_t)xferlen) { 2649 DPRINTF("bad DMA length %u > %d\n", 2650 dmalen + 8, xferlen); 2651 break; 2652 } 2653 2654 /* If it is the last one or a single frame, we won't copy. */ 2655 if ((xferlen -= dmalen + 8) <= 8) { 2656 /* trim 32-bit DMA-len header */ 2657 m->m_data += 4; 2658 m->m_pkthdr.len = m->m_len -= 4; 2659 run_rx_frame(sc, m, dmalen); 2660 break; 2661 } 2662 2663 /* copy aggregated frames to another mbuf */ 2664 m0 = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 2665 if (__predict_false(m0 == NULL)) { 2666 DPRINTF("could not allocate mbuf\n"); 2667 ifp->if_ierrors++; 2668 break; 2669 } 2670 m_copydata(m, 4 /* skip 32-bit DMA-len header */, 2671 dmalen + sizeof(struct rt2870_rxd), mtod(m0, caddr_t)); 2672 m0->m_pkthdr.len = m0->m_len = 2673 dmalen + sizeof(struct rt2870_rxd); 2674 run_rx_frame(sc, m0, dmalen); 2675 2676 /* update data ptr */ 2677 m->m_data += dmalen + 8; 2678 m->m_pkthdr.len = m->m_len -= dmalen + 8; 2679 } 2680 2681 RUN_LOCK(sc); 2682 } 2683 2684 static void 2685 run_tx_free(struct run_endpoint_queue *pq, 2686 struct run_tx_data *data, int txerr) 2687 { 2688 if (data->m != NULL) { 2689 if (data->m->m_flags & M_TXCB) 2690 ieee80211_process_callback(data->ni, data->m, 2691 txerr ? ETIMEDOUT : 0); 2692 m_freem(data->m); 2693 data->m = NULL; 2694 2695 if (data->ni == NULL) { 2696 DPRINTF("no node\n"); 2697 } else { 2698 ieee80211_free_node(data->ni); 2699 data->ni = NULL; 2700 } 2701 } 2702 2703 STAILQ_INSERT_TAIL(&pq->tx_fh, data, next); 2704 pq->tx_nfree++; 2705 } 2706 2707 static void 2708 run_bulk_tx_callbackN(struct usb_xfer *xfer, usb_error_t error, unsigned int index) 2709 { 2710 struct run_softc *sc = usbd_xfer_softc(xfer); 2711 struct ifnet *ifp = sc->sc_ifp; 2712 struct ieee80211com *ic = ifp->if_l2com; 2713 struct run_tx_data *data; 2714 struct ieee80211vap *vap = NULL; 2715 struct usb_page_cache *pc; 2716 struct run_endpoint_queue *pq = &sc->sc_epq[index]; 2717 struct mbuf *m; 2718 usb_frlength_t size; 2719 int actlen; 2720 int sumlen; 2721 2722 usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); 2723 2724 switch (USB_GET_STATE(xfer)) { 2725 case USB_ST_TRANSFERRED: 2726 DPRINTFN(11, "transfer complete: %d " 2727 "bytes @ index %d\n", actlen, index); 2728 2729 data = usbd_xfer_get_priv(xfer); 2730 2731 run_tx_free(pq, data, 0); 2732 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2733 2734 usbd_xfer_set_priv(xfer, NULL); 2735 2736 ifp->if_opackets++; 2737 2738 /* FALLTHROUGH */ 2739 case USB_ST_SETUP: 2740 tr_setup: 2741 data = STAILQ_FIRST(&pq->tx_qh); 2742 if (data == NULL) 2743 break; 2744 2745 STAILQ_REMOVE_HEAD(&pq->tx_qh, next); 2746 2747 m = data->m; 2748 if ((m->m_pkthdr.len + 2749 sizeof(data->desc) + 3 + 8) > RUN_MAX_TXSZ) { 2750 DPRINTF("data overflow, %u bytes\n", 2751 m->m_pkthdr.len); 2752 2753 ifp->if_oerrors++; 2754 2755 run_tx_free(pq, data, 1); 2756 2757 goto tr_setup; 2758 } 2759 2760 pc = usbd_xfer_get_frame(xfer, 0); 2761 size = sizeof(data->desc); 2762 usbd_copy_in(pc, 0, &data->desc, size); 2763 usbd_m_copy_in(pc, size, m, 0, m->m_pkthdr.len); 2764 size += m->m_pkthdr.len; 2765 /* 2766 * Align end on a 4-byte boundary, pad 8 bytes (CRC + 2767 * 4-byte padding), and be sure to zero those trailing 2768 * bytes: 2769 */ 2770 usbd_frame_zero(pc, size, ((-size) & 3) + 8); 2771 size += ((-size) & 3) + 8; 2772 2773 vap = data->ni->ni_vap; 2774 if (ieee80211_radiotap_active_vap(vap)) { 2775 struct run_tx_radiotap_header *tap = &sc->sc_txtap; 2776 struct rt2860_txwi *txwi = 2777 (struct rt2860_txwi *)(&data->desc + sizeof(struct rt2870_txd)); 2778 2779 tap->wt_flags = 0; 2780 tap->wt_rate = rt2860_rates[data->ridx].rate; 2781 tap->wt_chan_freq = htole16(vap->iv_bss->ni_chan->ic_freq); 2782 tap->wt_chan_flags = htole16(vap->iv_bss->ni_chan->ic_flags); 2783 tap->wt_hwqueue = index; 2784 if (le16toh(txwi->phy) & RT2860_PHY_SHPRE) 2785 tap->wt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 2786 2787 ieee80211_radiotap_tx(vap, m); 2788 } 2789 2790 DPRINTFN(11, "sending frame len=%u/%u @ index %d\n", 2791 m->m_pkthdr.len, size, index); 2792 2793 usbd_xfer_set_frame_len(xfer, 0, size); 2794 usbd_xfer_set_priv(xfer, data); 2795 2796 usbd_transfer_submit(xfer); 2797 2798 RUN_UNLOCK(sc); 2799 run_start(ifp); 2800 RUN_LOCK(sc); 2801 2802 break; 2803 2804 default: 2805 DPRINTF("USB transfer error, %s\n", 2806 usbd_errstr(error)); 2807 2808 data = usbd_xfer_get_priv(xfer); 2809 2810 ifp->if_oerrors++; 2811 2812 if (data != NULL) { 2813 if(data->ni != NULL) 2814 vap = data->ni->ni_vap; 2815 run_tx_free(pq, data, error); 2816 usbd_xfer_set_priv(xfer, NULL); 2817 } 2818 if (vap == NULL) 2819 vap = TAILQ_FIRST(&ic->ic_vaps); 2820 2821 if (error != USB_ERR_CANCELLED) { 2822 if (error == USB_ERR_TIMEOUT) { 2823 device_printf(sc->sc_dev, "device timeout\n"); 2824 uint32_t i = RUN_CMDQ_GET(&sc->cmdq_store); 2825 DPRINTF("cmdq_store=%d\n", i); 2826 sc->cmdq[i].func = run_usb_timeout_cb; 2827 sc->cmdq[i].arg0 = vap; 2828 ieee80211_runtask(ic, &sc->cmdq_task); 2829 } 2830 2831 /* 2832 * Try to clear stall first, also if other 2833 * errors occur, hence clearing stall 2834 * introduces a 50 ms delay: 2835 */ 2836 usbd_xfer_set_stall(xfer); 2837 goto tr_setup; 2838 } 2839 break; 2840 } 2841 } 2842 2843 static void 2844 run_bulk_tx_callback0(struct usb_xfer *xfer, usb_error_t error) 2845 { 2846 run_bulk_tx_callbackN(xfer, error, 0); 2847 } 2848 2849 static void 2850 run_bulk_tx_callback1(struct usb_xfer *xfer, usb_error_t error) 2851 { 2852 run_bulk_tx_callbackN(xfer, error, 1); 2853 } 2854 2855 static void 2856 run_bulk_tx_callback2(struct usb_xfer *xfer, usb_error_t error) 2857 { 2858 run_bulk_tx_callbackN(xfer, error, 2); 2859 } 2860 2861 static void 2862 run_bulk_tx_callback3(struct usb_xfer *xfer, usb_error_t error) 2863 { 2864 run_bulk_tx_callbackN(xfer, error, 3); 2865 } 2866 2867 static void 2868 run_bulk_tx_callback4(struct usb_xfer *xfer, usb_error_t error) 2869 { 2870 run_bulk_tx_callbackN(xfer, error, 4); 2871 } 2872 2873 static void 2874 run_bulk_tx_callback5(struct usb_xfer *xfer, usb_error_t error) 2875 { 2876 run_bulk_tx_callbackN(xfer, error, 5); 2877 } 2878 2879 static void 2880 run_set_tx_desc(struct run_softc *sc, struct run_tx_data *data) 2881 { 2882 struct mbuf *m = data->m; 2883 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 2884 struct ieee80211vap *vap = data->ni->ni_vap; 2885 struct ieee80211_frame *wh; 2886 struct rt2870_txd *txd; 2887 struct rt2860_txwi *txwi; 2888 uint16_t xferlen; 2889 uint16_t mcs; 2890 uint8_t ridx = data->ridx; 2891 uint8_t pad; 2892 2893 /* get MCS code from rate index */ 2894 mcs = rt2860_rates[ridx].mcs; 2895 2896 xferlen = sizeof(*txwi) + m->m_pkthdr.len; 2897 2898 /* roundup to 32-bit alignment */ 2899 xferlen = (xferlen + 3) & ~3; 2900 2901 txd = (struct rt2870_txd *)&data->desc; 2902 txd->len = htole16(xferlen); 2903 2904 wh = mtod(m, struct ieee80211_frame *); 2905 2906 /* 2907 * Ether both are true or both are false, the header 2908 * are nicely aligned to 32-bit. So, no L2 padding. 2909 */ 2910 if(IEEE80211_HAS_ADDR4(wh) == IEEE80211_QOS_HAS_SEQ(wh)) 2911 pad = 0; 2912 else 2913 pad = 2; 2914 2915 /* setup TX Wireless Information */ 2916 txwi = (struct rt2860_txwi *)(txd + 1); 2917 txwi->len = htole16(m->m_pkthdr.len - pad); 2918 if (rt2860_rates[ridx].phy == IEEE80211_T_DS) { 2919 txwi->phy = htole16(RT2860_PHY_CCK); 2920 if (ridx != RT2860_RIDX_CCK1 && 2921 (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2922 mcs |= RT2860_PHY_SHPRE; 2923 } else 2924 txwi->phy = htole16(RT2860_PHY_OFDM); 2925 txwi->phy |= htole16(mcs); 2926 2927 /* check if RTS/CTS or CTS-to-self protection is required */ 2928 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && 2929 (m->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold || 2930 ((ic->ic_flags & IEEE80211_F_USEPROT) && 2931 rt2860_rates[ridx].phy == IEEE80211_T_OFDM))) 2932 txwi->txop |= RT2860_TX_TXOP_HT; 2933 else 2934 txwi->txop |= RT2860_TX_TXOP_BACKOFF; 2935 2936 if (vap->iv_opmode != IEEE80211_M_STA && !IEEE80211_QOS_HAS_SEQ(wh)) 2937 txwi->xflags |= RT2860_TX_NSEQ; 2938 } 2939 2940 /* This function must be called locked */ 2941 static int 2942 run_tx(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2943 { 2944 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 2945 struct ieee80211vap *vap = ni->ni_vap; 2946 struct ieee80211_frame *wh; 2947 struct ieee80211_channel *chan; 2948 const struct ieee80211_txparam *tp; 2949 struct run_node *rn = (void *)ni; 2950 struct run_tx_data *data; 2951 struct rt2870_txd *txd; 2952 struct rt2860_txwi *txwi; 2953 uint16_t qos; 2954 uint16_t dur; 2955 uint16_t qid; 2956 uint8_t type; 2957 uint8_t tid; 2958 uint8_t ridx; 2959 uint8_t ctl_ridx; 2960 uint8_t qflags; 2961 uint8_t xflags = 0; 2962 int hasqos; 2963 2964 RUN_LOCK_ASSERT(sc, MA_OWNED); 2965 2966 wh = mtod(m, struct ieee80211_frame *); 2967 2968 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2969 2970 /* 2971 * There are 7 bulk endpoints: 1 for RX 2972 * and 6 for TX (4 EDCAs + HCCA + Prio). 2973 * Update 03-14-2009: some devices like the Planex GW-US300MiniS 2974 * seem to have only 4 TX bulk endpoints (Fukaumi Naoki). 2975 */ 2976 if ((hasqos = IEEE80211_QOS_HAS_SEQ(wh))) { 2977 uint8_t *frm; 2978 2979 if(IEEE80211_HAS_ADDR4(wh)) 2980 frm = ((struct ieee80211_qosframe_addr4 *)wh)->i_qos; 2981 else 2982 frm =((struct ieee80211_qosframe *)wh)->i_qos; 2983 2984 qos = le16toh(*(const uint16_t *)frm); 2985 tid = qos & IEEE80211_QOS_TID; 2986 qid = TID_TO_WME_AC(tid); 2987 } else { 2988 qos = 0; 2989 tid = 0; 2990 qid = WME_AC_BE; 2991 } 2992 qflags = (qid < 4) ? RT2860_TX_QSEL_EDCA : RT2860_TX_QSEL_HCCA; 2993 2994 DPRINTFN(8, "qos %d\tqid %d\ttid %d\tqflags %x\n", 2995 qos, qid, tid, qflags); 2996 2997 chan = (ni->ni_chan != IEEE80211_CHAN_ANYC)?ni->ni_chan:ic->ic_curchan; 2998 tp = &vap->iv_txparms[ieee80211_chan2mode(chan)]; 2999 3000 /* pickup a rate index */ 3001 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || 3002 type != IEEE80211_FC0_TYPE_DATA) { 3003 ridx = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3004 RT2860_RIDX_OFDM6 : RT2860_RIDX_CCK1; 3005 ctl_ridx = rt2860_rates[ridx].ctl_ridx; 3006 } else { 3007 if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 3008 ridx = rn->fix_ridx; 3009 else 3010 ridx = rn->amrr_ridx; 3011 ctl_ridx = rt2860_rates[ridx].ctl_ridx; 3012 } 3013 3014 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && 3015 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != 3016 IEEE80211_QOS_ACKPOLICY_NOACK)) { 3017 xflags |= RT2860_TX_ACK; 3018 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 3019 dur = rt2860_rates[ctl_ridx].sp_ack_dur; 3020 else 3021 dur = rt2860_rates[ctl_ridx].lp_ack_dur; 3022 *(uint16_t *)wh->i_dur = htole16(dur); 3023 } 3024 3025 /* reserve slots for mgmt packets, just in case */ 3026 if (sc->sc_epq[qid].tx_nfree < 3) { 3027 DPRINTFN(10, "tx ring %d is full\n", qid); 3028 return (-1); 3029 } 3030 3031 data = STAILQ_FIRST(&sc->sc_epq[qid].tx_fh); 3032 STAILQ_REMOVE_HEAD(&sc->sc_epq[qid].tx_fh, next); 3033 sc->sc_epq[qid].tx_nfree--; 3034 3035 txd = (struct rt2870_txd *)&data->desc; 3036 txd->flags = qflags; 3037 txwi = (struct rt2860_txwi *)(txd + 1); 3038 txwi->xflags = xflags; 3039 txwi->wcid = IEEE80211_IS_MULTICAST(wh->i_addr1) ? 3040 0 : RUN_AID2WCID(ni->ni_associd); 3041 /* clear leftover garbage bits */ 3042 txwi->flags = 0; 3043 txwi->txop = 0; 3044 3045 data->m = m; 3046 data->ni = ni; 3047 data->ridx = ridx; 3048 3049 run_set_tx_desc(sc, data); 3050 3051 /* 3052 * The chip keeps track of 2 kind of Tx stats, 3053 * * TX_STAT_FIFO, for per WCID stats, and 3054 * * TX_STA_CNT0 for all-TX-in-one stats. 3055 * 3056 * To use FIFO stats, we need to store MCS into the driver-private 3057 * PacketID field. So that, we can tell whose stats when we read them. 3058 * We add 1 to the MCS because setting the PacketID field to 0 means 3059 * that we don't want feedback in TX_STAT_FIFO. 3060 * And, that's what we want for STA mode, since TX_STA_CNT0 does the job. 3061 * 3062 * FIFO stats doesn't count Tx with WCID 0xff, so we do this in run_tx(). 3063 */ 3064 if (sc->rvp_cnt > 1 || vap->iv_opmode == IEEE80211_M_HOSTAP || 3065 vap->iv_opmode == IEEE80211_M_MBSS) { 3066 uint16_t pid = (rt2860_rates[ridx].mcs + 1) & 0xf; 3067 txwi->len |= htole16(pid << RT2860_TX_PID_SHIFT); 3068 3069 /* 3070 * Unlike PCI based devices, we don't get any interrupt from 3071 * USB devices, so we simulate FIFO-is-full interrupt here. 3072 * Ralink recomends to drain FIFO stats every 100 ms, but 16 slots 3073 * quickly get fulled. To prevent overflow, increment a counter on 3074 * every FIFO stat request, so we know how many slots are left. 3075 * We do this only in HOSTAP or multiple vap mode since FIFO stats 3076 * are used only in those modes. 3077 * We just drain stats. AMRR gets updated every 1 sec by 3078 * run_ratectl_cb() via callout. 3079 * Call it early. Otherwise overflow. 3080 */ 3081 if (sc->fifo_cnt++ == 10) { 3082 /* 3083 * With multiple vaps or if_bridge, if_start() is called 3084 * with a non-sleepable lock, tcpinp. So, need to defer. 3085 */ 3086 uint32_t i = RUN_CMDQ_GET(&sc->cmdq_store); 3087 DPRINTFN(6, "cmdq_store=%d\n", i); 3088 sc->cmdq[i].func = run_drain_fifo; 3089 sc->cmdq[i].arg0 = sc; 3090 ieee80211_runtask(ic, &sc->cmdq_task); 3091 } 3092 } 3093 3094 STAILQ_INSERT_TAIL(&sc->sc_epq[qid].tx_qh, data, next); 3095 3096 usbd_transfer_start(sc->sc_xfer[qid]); 3097 3098 DPRINTFN(8, "sending data frame len=%d rate=%d qid=%d\n", m->m_pkthdr.len + 3099 (int)(sizeof (struct rt2870_txd) + sizeof (struct rt2860_rxwi)), 3100 rt2860_rates[ridx].rate, qid); 3101 3102 return (0); 3103 } 3104 3105 static int 3106 run_tx_mgt(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 3107 { 3108 struct ifnet *ifp = sc->sc_ifp; 3109 struct ieee80211com *ic = ifp->if_l2com; 3110 struct run_node *rn = (void *)ni; 3111 struct run_tx_data *data; 3112 struct ieee80211_frame *wh; 3113 struct rt2870_txd *txd; 3114 struct rt2860_txwi *txwi; 3115 uint16_t dur; 3116 uint8_t ridx = rn->mgt_ridx; 3117 uint8_t type; 3118 uint8_t xflags = 0; 3119 uint8_t wflags = 0; 3120 3121 RUN_LOCK_ASSERT(sc, MA_OWNED); 3122 3123 wh = mtod(m, struct ieee80211_frame *); 3124 3125 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 3126 3127 /* tell hardware to add timestamp for probe responses */ 3128 if ((wh->i_fc[0] & 3129 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 3130 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) 3131 wflags |= RT2860_TX_TS; 3132 else if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 3133 xflags |= RT2860_TX_ACK; 3134 3135 dur = ieee80211_ack_duration(ic->ic_rt, rt2860_rates[ridx].rate, 3136 ic->ic_flags & IEEE80211_F_SHPREAMBLE); 3137 *(uint16_t *)wh->i_dur = htole16(dur); 3138 } 3139 3140 if (sc->sc_epq[0].tx_nfree == 0) { 3141 /* let caller free mbuf */ 3142 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 3143 return (EIO); 3144 } 3145 data = STAILQ_FIRST(&sc->sc_epq[0].tx_fh); 3146 STAILQ_REMOVE_HEAD(&sc->sc_epq[0].tx_fh, next); 3147 sc->sc_epq[0].tx_nfree--; 3148 3149 txd = (struct rt2870_txd *)&data->desc; 3150 txd->flags = RT2860_TX_QSEL_EDCA; 3151 txwi = (struct rt2860_txwi *)(txd + 1); 3152 txwi->wcid = 0xff; 3153 txwi->flags = wflags; 3154 txwi->xflags = xflags; 3155 txwi->txop = 0; /* clear leftover garbage bits */ 3156 3157 data->m = m; 3158 data->ni = ni; 3159 data->ridx = ridx; 3160 3161 run_set_tx_desc(sc, data); 3162 3163 DPRINTFN(10, "sending mgt frame len=%d rate=%d\n", m->m_pkthdr.len + 3164 (int)(sizeof (struct rt2870_txd) + sizeof (struct rt2860_rxwi)), 3165 rt2860_rates[ridx].rate); 3166 3167 STAILQ_INSERT_TAIL(&sc->sc_epq[0].tx_qh, data, next); 3168 3169 usbd_transfer_start(sc->sc_xfer[0]); 3170 3171 return (0); 3172 } 3173 3174 static int 3175 run_sendprot(struct run_softc *sc, 3176 const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate) 3177 { 3178 struct ieee80211com *ic = ni->ni_ic; 3179 struct ieee80211_frame *wh; 3180 struct run_tx_data *data; 3181 struct rt2870_txd *txd; 3182 struct rt2860_txwi *txwi; 3183 struct mbuf *mprot; 3184 int ridx; 3185 int protrate; 3186 int ackrate; 3187 int pktlen; 3188 int isshort; 3189 uint16_t dur; 3190 uint8_t type; 3191 uint8_t wflags = 0; 3192 uint8_t xflags = 0; 3193 3194 RUN_LOCK_ASSERT(sc, MA_OWNED); 3195 3196 KASSERT(prot == IEEE80211_PROT_RTSCTS || prot == IEEE80211_PROT_CTSONLY, 3197 ("protection %d", prot)); 3198 3199 wh = mtod(m, struct ieee80211_frame *); 3200 pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN; 3201 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 3202 3203 protrate = ieee80211_ctl_rate(ic->ic_rt, rate); 3204 ackrate = ieee80211_ack_rate(ic->ic_rt, rate); 3205 3206 isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0; 3207 dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort) 3208 + ieee80211_ack_duration(ic->ic_rt, rate, isshort); 3209 wflags = RT2860_TX_FRAG; 3210 3211 /* check that there are free slots before allocating the mbuf */ 3212 if (sc->sc_epq[0].tx_nfree == 0) { 3213 /* let caller free mbuf */ 3214 sc->sc_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 3215 return (ENOBUFS); 3216 } 3217 3218 if (prot == IEEE80211_PROT_RTSCTS) { 3219 /* NB: CTS is the same size as an ACK */ 3220 dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort); 3221 xflags |= RT2860_TX_ACK; 3222 mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur); 3223 } else { 3224 mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur); 3225 } 3226 if (mprot == NULL) { 3227 sc->sc_ifp->if_oerrors++; 3228 DPRINTF("could not allocate mbuf\n"); 3229 return (ENOBUFS); 3230 } 3231 3232 data = STAILQ_FIRST(&sc->sc_epq[0].tx_fh); 3233 STAILQ_REMOVE_HEAD(&sc->sc_epq[0].tx_fh, next); 3234 sc->sc_epq[0].tx_nfree--; 3235 3236 txd = (struct rt2870_txd *)&data->desc; 3237 txd->flags = RT2860_TX_QSEL_EDCA; 3238 txwi = (struct rt2860_txwi *)(txd + 1); 3239 txwi->wcid = 0xff; 3240 txwi->flags = wflags; 3241 txwi->xflags = xflags; 3242 txwi->txop = 0; /* clear leftover garbage bits */ 3243 3244 data->m = mprot; 3245 data->ni = ieee80211_ref_node(ni); 3246 3247 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++) 3248 if (rt2860_rates[ridx].rate == protrate) 3249 break; 3250 data->ridx = ridx; 3251 3252 run_set_tx_desc(sc, data); 3253 3254 DPRINTFN(1, "sending prot len=%u rate=%u\n", 3255 m->m_pkthdr.len, rate); 3256 3257 STAILQ_INSERT_TAIL(&sc->sc_epq[0].tx_qh, data, next); 3258 3259 usbd_transfer_start(sc->sc_xfer[0]); 3260 3261 return (0); 3262 } 3263 3264 static int 3265 run_tx_param(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni, 3266 const struct ieee80211_bpf_params *params) 3267 { 3268 struct ieee80211com *ic = ni->ni_ic; 3269 struct ieee80211_frame *wh; 3270 struct run_tx_data *data; 3271 struct rt2870_txd *txd; 3272 struct rt2860_txwi *txwi; 3273 uint8_t type; 3274 uint8_t ridx; 3275 uint8_t rate; 3276 uint8_t opflags = 0; 3277 uint8_t xflags = 0; 3278 int error; 3279 3280 RUN_LOCK_ASSERT(sc, MA_OWNED); 3281 3282 KASSERT(params != NULL, ("no raw xmit params")); 3283 3284 wh = mtod(m, struct ieee80211_frame *); 3285 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 3286 3287 rate = params->ibp_rate0; 3288 if (!ieee80211_isratevalid(ic->ic_rt, rate)) { 3289 /* let caller free mbuf */ 3290 return (EINVAL); 3291 } 3292 3293 if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 3294 xflags |= RT2860_TX_ACK; 3295 if (params->ibp_flags & (IEEE80211_BPF_RTS|IEEE80211_BPF_CTS)) { 3296 error = run_sendprot(sc, m, ni, 3297 params->ibp_flags & IEEE80211_BPF_RTS ? 3298 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY, 3299 rate); 3300 if (error) { 3301 /* let caller free mbuf */ 3302 return error; 3303 } 3304 opflags |= /*XXX RT2573_TX_LONG_RETRY |*/ RT2860_TX_TXOP_SIFS; 3305 } 3306 3307 if (sc->sc_epq[0].tx_nfree == 0) { 3308 /* let caller free mbuf */ 3309 sc->sc_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 3310 DPRINTF("sending raw frame, but tx ring is full\n"); 3311 return (EIO); 3312 } 3313 data = STAILQ_FIRST(&sc->sc_epq[0].tx_fh); 3314 STAILQ_REMOVE_HEAD(&sc->sc_epq[0].tx_fh, next); 3315 sc->sc_epq[0].tx_nfree--; 3316 3317 txd = (struct rt2870_txd *)&data->desc; 3318 txd->flags = RT2860_TX_QSEL_EDCA; 3319 txwi = (struct rt2860_txwi *)(txd + 1); 3320 txwi->wcid = 0xff; 3321 txwi->xflags = xflags; 3322 txwi->txop = opflags; 3323 txwi->flags = 0; /* clear leftover garbage bits */ 3324 3325 data->m = m; 3326 data->ni = ni; 3327 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++) 3328 if (rt2860_rates[ridx].rate == rate) 3329 break; 3330 data->ridx = ridx; 3331 3332 run_set_tx_desc(sc, data); 3333 3334 DPRINTFN(10, "sending raw frame len=%u rate=%u\n", 3335 m->m_pkthdr.len, rate); 3336 3337 STAILQ_INSERT_TAIL(&sc->sc_epq[0].tx_qh, data, next); 3338 3339 usbd_transfer_start(sc->sc_xfer[0]); 3340 3341 return (0); 3342 } 3343 3344 static int 3345 run_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 3346 const struct ieee80211_bpf_params *params) 3347 { 3348 struct ifnet *ifp = ni->ni_ic->ic_ifp; 3349 struct run_softc *sc = ifp->if_softc; 3350 int error = 0; 3351 3352 RUN_LOCK(sc); 3353 3354 /* prevent management frames from being sent if we're not ready */ 3355 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 3356 error = ENETDOWN; 3357 goto done; 3358 } 3359 3360 if (params == NULL) { 3361 /* tx mgt packet */ 3362 if ((error = run_tx_mgt(sc, m, ni)) != 0) { 3363 ifp->if_oerrors++; 3364 DPRINTF("mgt tx failed\n"); 3365 goto done; 3366 } 3367 } else { 3368 /* tx raw packet with param */ 3369 if ((error = run_tx_param(sc, m, ni, params)) != 0) { 3370 ifp->if_oerrors++; 3371 DPRINTF("tx with param failed\n"); 3372 goto done; 3373 } 3374 } 3375 3376 ifp->if_opackets++; 3377 3378 done: 3379 RUN_UNLOCK(sc); 3380 3381 if (error != 0) { 3382 if(m != NULL) 3383 m_freem(m); 3384 ieee80211_free_node(ni); 3385 } 3386 3387 return (error); 3388 } 3389 3390 static void 3391 run_start(struct ifnet *ifp) 3392 { 3393 struct run_softc *sc = ifp->if_softc; 3394 struct ieee80211_node *ni; 3395 struct mbuf *m; 3396 3397 RUN_LOCK(sc); 3398 3399 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 3400 RUN_UNLOCK(sc); 3401 return; 3402 } 3403 3404 for (;;) { 3405 /* send data frames */ 3406 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 3407 if (m == NULL) 3408 break; 3409 3410 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 3411 if (run_tx(sc, m, ni) != 0) { 3412 IFQ_DRV_PREPEND(&ifp->if_snd, m); 3413 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 3414 break; 3415 } 3416 } 3417 3418 RUN_UNLOCK(sc); 3419 } 3420 3421 static int 3422 run_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3423 { 3424 struct run_softc *sc = ifp->if_softc; 3425 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3426 struct ifreq *ifr = (struct ifreq *) data; 3427 int startall = 0; 3428 int error = 0; 3429 3430 switch (cmd) { 3431 case SIOCSIFFLAGS: 3432 RUN_LOCK(sc); 3433 if (ifp->if_flags & IFF_UP) { 3434 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)){ 3435 startall = 1; 3436 run_init_locked(sc); 3437 } else 3438 run_update_promisc_locked(ifp); 3439 } else { 3440 if (ifp->if_drv_flags & IFF_DRV_RUNNING && 3441 (ic->ic_nrunning == 0 || sc->rvp_cnt <= 1)) { 3442 run_stop(sc); 3443 } 3444 } 3445 RUN_UNLOCK(sc); 3446 if (startall) 3447 ieee80211_start_all(ic); 3448 break; 3449 case SIOCGIFMEDIA: 3450 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 3451 break; 3452 case SIOCGIFADDR: 3453 error = ether_ioctl(ifp, cmd, data); 3454 break; 3455 default: 3456 error = EINVAL; 3457 break; 3458 } 3459 3460 return (error); 3461 } 3462 3463 static void 3464 run_set_agc(struct run_softc *sc, uint8_t agc) 3465 { 3466 uint8_t bbp; 3467 3468 if (sc->mac_ver == 0x3572) { 3469 run_bbp_read(sc, 27, &bbp); 3470 bbp &= ~(0x3 << 5); 3471 run_bbp_write(sc, 27, bbp | 0 << 5); /* select Rx0 */ 3472 run_bbp_write(sc, 66, agc); 3473 run_bbp_write(sc, 27, bbp | 1 << 5); /* select Rx1 */ 3474 run_bbp_write(sc, 66, agc); 3475 } else 3476 run_bbp_write(sc, 66, agc); 3477 } 3478 3479 static void 3480 run_select_chan_group(struct run_softc *sc, int group) 3481 { 3482 uint32_t tmp; 3483 uint8_t agc; 3484 3485 run_bbp_write(sc, 62, 0x37 - sc->lna[group]); 3486 run_bbp_write(sc, 63, 0x37 - sc->lna[group]); 3487 run_bbp_write(sc, 64, 0x37 - sc->lna[group]); 3488 run_bbp_write(sc, 86, 0x00); 3489 3490 if (group == 0) { 3491 if (sc->ext_2ghz_lna) { 3492 run_bbp_write(sc, 82, 0x62); 3493 run_bbp_write(sc, 75, 0x46); 3494 } else { 3495 run_bbp_write(sc, 82, 0x84); 3496 run_bbp_write(sc, 75, 0x50); 3497 } 3498 } else { 3499 if (sc->mac_ver == 0x3572) 3500 run_bbp_write(sc, 82, 0x94); 3501 else 3502 run_bbp_write(sc, 82, 0xf2); 3503 if (sc->ext_5ghz_lna) 3504 run_bbp_write(sc, 75, 0x46); 3505 else 3506 run_bbp_write(sc, 75, 0x50); 3507 } 3508 3509 run_read(sc, RT2860_TX_BAND_CFG, &tmp); 3510 tmp &= ~(RT2860_5G_BAND_SEL_N | RT2860_5G_BAND_SEL_P); 3511 tmp |= (group == 0) ? RT2860_5G_BAND_SEL_N : RT2860_5G_BAND_SEL_P; 3512 run_write(sc, RT2860_TX_BAND_CFG, tmp); 3513 3514 /* enable appropriate Power Amplifiers and Low Noise Amplifiers */ 3515 tmp = RT2860_RFTR_EN | RT2860_TRSW_EN | RT2860_LNA_PE0_EN; 3516 if (sc->nrxchains > 1) 3517 tmp |= RT2860_LNA_PE1_EN; 3518 if (group == 0) { /* 2GHz */ 3519 tmp |= RT2860_PA_PE_G0_EN; 3520 if (sc->ntxchains > 1) 3521 tmp |= RT2860_PA_PE_G1_EN; 3522 } else { /* 5GHz */ 3523 tmp |= RT2860_PA_PE_A0_EN; 3524 if (sc->ntxchains > 1) 3525 tmp |= RT2860_PA_PE_A1_EN; 3526 } 3527 if (sc->mac_ver == 0x3572) { 3528 run_rt3070_rf_write(sc, 8, 0x00); 3529 run_write(sc, RT2860_TX_PIN_CFG, tmp); 3530 run_rt3070_rf_write(sc, 8, 0x80); 3531 } else 3532 run_write(sc, RT2860_TX_PIN_CFG, tmp); 3533 3534 /* set initial AGC value */ 3535 if (group == 0) { /* 2GHz band */ 3536 if (sc->mac_ver >= 0x3070) 3537 agc = 0x1c + sc->lna[0] * 2; 3538 else 3539 agc = 0x2e + sc->lna[0]; 3540 } else { /* 5GHz band */ 3541 if (sc->mac_ver == 0x3572) 3542 agc = 0x22 + (sc->lna[group] * 5) / 3; 3543 else 3544 agc = 0x32 + (sc->lna[group] * 5) / 3; 3545 } 3546 run_set_agc(sc, agc); 3547 } 3548 3549 static void 3550 run_rt2870_set_chan(struct run_softc *sc, uint32_t chan) 3551 { 3552 const struct rfprog *rfprog = rt2860_rf2850; 3553 uint32_t r2, r3, r4; 3554 int8_t txpow1, txpow2; 3555 int i; 3556 3557 /* find the settings for this channel (we know it exists) */ 3558 for (i = 0; rfprog[i].chan != chan; i++); 3559 3560 r2 = rfprog[i].r2; 3561 if (sc->ntxchains == 1) 3562 r2 |= 1 << 12; /* 1T: disable Tx chain 2 */ 3563 if (sc->nrxchains == 1) 3564 r2 |= 1 << 15 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */ 3565 else if (sc->nrxchains == 2) 3566 r2 |= 1 << 4; /* 2R: disable Rx chain 3 */ 3567 3568 /* use Tx power values from EEPROM */ 3569 txpow1 = sc->txpow1[i]; 3570 txpow2 = sc->txpow2[i]; 3571 if (chan > 14) { 3572 if (txpow1 >= 0) 3573 txpow1 = txpow1 << 1 | 1; 3574 else 3575 txpow1 = (7 + txpow1) << 1; 3576 if (txpow2 >= 0) 3577 txpow2 = txpow2 << 1 | 1; 3578 else 3579 txpow2 = (7 + txpow2) << 1; 3580 } 3581 r3 = rfprog[i].r3 | txpow1 << 7; 3582 r4 = rfprog[i].r4 | sc->freq << 13 | txpow2 << 4; 3583 3584 run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1); 3585 run_rt2870_rf_write(sc, RT2860_RF2, r2); 3586 run_rt2870_rf_write(sc, RT2860_RF3, r3); 3587 run_rt2870_rf_write(sc, RT2860_RF4, r4); 3588 3589 run_delay(sc, 10); 3590 3591 run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1); 3592 run_rt2870_rf_write(sc, RT2860_RF2, r2); 3593 run_rt2870_rf_write(sc, RT2860_RF3, r3 | 1); 3594 run_rt2870_rf_write(sc, RT2860_RF4, r4); 3595 3596 run_delay(sc, 10); 3597 3598 run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1); 3599 run_rt2870_rf_write(sc, RT2860_RF2, r2); 3600 run_rt2870_rf_write(sc, RT2860_RF3, r3); 3601 run_rt2870_rf_write(sc, RT2860_RF4, r4); 3602 } 3603 3604 static void 3605 run_rt3070_set_chan(struct run_softc *sc, uint32_t chan) 3606 { 3607 int8_t txpow1, txpow2; 3608 uint8_t rf; 3609 int i; 3610 3611 /* RT3070 is 2GHz only */ 3612 KASSERT(chan >= 1 && chan <= 14, ("wrong channel selected\n")); 3613 3614 /* find the settings for this channel (we know it exists) */ 3615 for (i = 0; rt2860_rf2850[i].chan != chan; i++); 3616 3617 /* use Tx power values from EEPROM */ 3618 txpow1 = sc->txpow1[i]; 3619 txpow2 = sc->txpow2[i]; 3620 3621 run_rt3070_rf_write(sc, 2, rt3070_freqs[i].n); 3622 run_rt3070_rf_write(sc, 3, rt3070_freqs[i].k); 3623 run_rt3070_rf_read(sc, 6, &rf); 3624 rf = (rf & ~0x03) | rt3070_freqs[i].r; 3625 run_rt3070_rf_write(sc, 6, rf); 3626 3627 /* set Tx0 power */ 3628 run_rt3070_rf_read(sc, 12, &rf); 3629 rf = (rf & ~0x1f) | txpow1; 3630 run_rt3070_rf_write(sc, 12, rf); 3631 3632 /* set Tx1 power */ 3633 run_rt3070_rf_read(sc, 13, &rf); 3634 rf = (rf & ~0x1f) | txpow2; 3635 run_rt3070_rf_write(sc, 13, rf); 3636 3637 run_rt3070_rf_read(sc, 1, &rf); 3638 rf &= ~0xfc; 3639 if (sc->ntxchains == 1) 3640 rf |= 1 << 7 | 1 << 5; /* 1T: disable Tx chains 2 & 3 */ 3641 else if (sc->ntxchains == 2) 3642 rf |= 1 << 7; /* 2T: disable Tx chain 3 */ 3643 if (sc->nrxchains == 1) 3644 rf |= 1 << 6 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */ 3645 else if (sc->nrxchains == 2) 3646 rf |= 1 << 6; /* 2R: disable Rx chain 3 */ 3647 run_rt3070_rf_write(sc, 1, rf); 3648 3649 /* set RF offset */ 3650 run_rt3070_rf_read(sc, 23, &rf); 3651 rf = (rf & ~0x7f) | sc->freq; 3652 run_rt3070_rf_write(sc, 23, rf); 3653 3654 /* program RF filter */ 3655 run_rt3070_rf_read(sc, 24, &rf); /* Tx */ 3656 rf = (rf & ~0x3f) | sc->rf24_20mhz; 3657 run_rt3070_rf_write(sc, 24, rf); 3658 run_rt3070_rf_read(sc, 31, &rf); /* Rx */ 3659 rf = (rf & ~0x3f) | sc->rf24_20mhz; 3660 run_rt3070_rf_write(sc, 31, rf); 3661 3662 /* enable RF tuning */ 3663 run_rt3070_rf_read(sc, 7, &rf); 3664 run_rt3070_rf_write(sc, 7, rf | 0x01); 3665 } 3666 3667 static void 3668 run_rt3572_set_chan(struct run_softc *sc, u_int chan) 3669 { 3670 int8_t txpow1, txpow2; 3671 uint32_t tmp; 3672 uint8_t rf; 3673 int i; 3674 3675 /* find the settings for this channel (we know it exists) */ 3676 for (i = 0; rt2860_rf2850[i].chan != chan; i++); 3677 3678 /* use Tx power values from EEPROM */ 3679 txpow1 = sc->txpow1[i]; 3680 txpow2 = sc->txpow2[i]; 3681 3682 if (chan <= 14) { 3683 run_bbp_write(sc, 25, sc->bbp25); 3684 run_bbp_write(sc, 26, sc->bbp26); 3685 } else { 3686 /* enable IQ phase correction */ 3687 run_bbp_write(sc, 25, 0x09); 3688 run_bbp_write(sc, 26, 0xff); 3689 } 3690 3691 run_rt3070_rf_write(sc, 2, rt3070_freqs[i].n); 3692 run_rt3070_rf_write(sc, 3, rt3070_freqs[i].k); 3693 run_rt3070_rf_read(sc, 6, &rf); 3694 rf = (rf & ~0x0f) | rt3070_freqs[i].r; 3695 rf |= (chan <= 14) ? 0x08 : 0x04; 3696 run_rt3070_rf_write(sc, 6, rf); 3697 3698 /* set PLL mode */ 3699 run_rt3070_rf_read(sc, 5, &rf); 3700 rf &= ~(0x08 | 0x04); 3701 rf |= (chan <= 14) ? 0x04 : 0x08; 3702 run_rt3070_rf_write(sc, 5, rf); 3703 3704 /* set Tx power for chain 0 */ 3705 if (chan <= 14) 3706 rf = 0x60 | txpow1; 3707 else 3708 rf = 0xe0 | (txpow1 & 0xc) << 1 | (txpow1 & 0x3); 3709 run_rt3070_rf_write(sc, 12, rf); 3710 3711 /* set Tx power for chain 1 */ 3712 if (chan <= 14) 3713 rf = 0x60 | txpow2; 3714 else 3715 rf = 0xe0 | (txpow2 & 0xc) << 1 | (txpow2 & 0x3); 3716 run_rt3070_rf_write(sc, 13, rf); 3717 3718 /* set Tx/Rx streams */ 3719 run_rt3070_rf_read(sc, 1, &rf); 3720 rf &= ~0xfc; 3721 if (sc->ntxchains == 1) 3722 rf |= 1 << 7 | 1 << 5; /* 1T: disable Tx chains 2 & 3 */ 3723 else if (sc->ntxchains == 2) 3724 rf |= 1 << 7; /* 2T: disable Tx chain 3 */ 3725 if (sc->nrxchains == 1) 3726 rf |= 1 << 6 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */ 3727 else if (sc->nrxchains == 2) 3728 rf |= 1 << 6; /* 2R: disable Rx chain 3 */ 3729 run_rt3070_rf_write(sc, 1, rf); 3730 3731 /* set RF offset */ 3732 run_rt3070_rf_read(sc, 23, &rf); 3733 rf = (rf & ~0x7f) | sc->freq; 3734 run_rt3070_rf_write(sc, 23, rf); 3735 3736 /* program RF filter */ 3737 rf = sc->rf24_20mhz; 3738 run_rt3070_rf_write(sc, 24, rf); /* Tx */ 3739 run_rt3070_rf_write(sc, 31, rf); /* Rx */ 3740 3741 /* enable RF tuning */ 3742 run_rt3070_rf_read(sc, 7, &rf); 3743 rf = (chan <= 14) ? 0xd8 : ((rf & ~0xc8) | 0x14); 3744 run_rt3070_rf_write(sc, 7, rf); 3745 3746 /* TSSI */ 3747 rf = (chan <= 14) ? 0xc3 : 0xc0; 3748 run_rt3070_rf_write(sc, 9, rf); 3749 3750 /* set loop filter 1 */ 3751 run_rt3070_rf_write(sc, 10, 0xf1); 3752 /* set loop filter 2 */ 3753 run_rt3070_rf_write(sc, 11, (chan <= 14) ? 0xb9 : 0x00); 3754 3755 /* set tx_mx2_ic */ 3756 run_rt3070_rf_write(sc, 15, (chan <= 14) ? 0x53 : 0x43); 3757 /* set tx_mx1_ic */ 3758 if (chan <= 14) 3759 rf = 0x48 | sc->txmixgain_2ghz; 3760 else 3761 rf = 0x78 | sc->txmixgain_5ghz; 3762 run_rt3070_rf_write(sc, 16, rf); 3763 3764 /* set tx_lo1 */ 3765 run_rt3070_rf_write(sc, 17, 0x23); 3766 /* set tx_lo2 */ 3767 if (chan <= 14) 3768 rf = 0x93; 3769 else if (chan <= 64) 3770 rf = 0xb7; 3771 else if (chan <= 128) 3772 rf = 0x74; 3773 else 3774 rf = 0x72; 3775 run_rt3070_rf_write(sc, 19, rf); 3776 3777 /* set rx_lo1 */ 3778 if (chan <= 14) 3779 rf = 0xb3; 3780 else if (chan <= 64) 3781 rf = 0xf6; 3782 else if (chan <= 128) 3783 rf = 0xf4; 3784 else 3785 rf = 0xf3; 3786 run_rt3070_rf_write(sc, 20, rf); 3787 3788 /* set pfd_delay */ 3789 if (chan <= 14) 3790 rf = 0x15; 3791 else if (chan <= 64) 3792 rf = 0x3d; 3793 else 3794 rf = 0x01; 3795 run_rt3070_rf_write(sc, 25, rf); 3796 3797 /* set rx_lo2 */ 3798 run_rt3070_rf_write(sc, 26, (chan <= 14) ? 0x85 : 0x87); 3799 /* set ldo_rf_vc */ 3800 run_rt3070_rf_write(sc, 27, (chan <= 14) ? 0x00 : 0x01); 3801 /* set drv_cc */ 3802 run_rt3070_rf_write(sc, 29, (chan <= 14) ? 0x9b : 0x9f); 3803 3804 run_read(sc, RT2860_GPIO_CTRL, &tmp); 3805 tmp &= ~0x8080; 3806 if (chan <= 14) 3807 tmp |= 0x80; 3808 run_write(sc, RT2860_GPIO_CTRL, tmp); 3809 3810 /* enable RF tuning */ 3811 run_rt3070_rf_read(sc, 7, &rf); 3812 run_rt3070_rf_write(sc, 7, rf | 0x01); 3813 3814 run_delay(sc, 2); 3815 } 3816 3817 static void 3818 run_set_rx_antenna(struct run_softc *sc, int aux) 3819 { 3820 uint32_t tmp; 3821 3822 if (aux) { 3823 run_mcu_cmd(sc, RT2860_MCU_CMD_ANTSEL, 0); 3824 run_read(sc, RT2860_GPIO_CTRL, &tmp); 3825 run_write(sc, RT2860_GPIO_CTRL, (tmp & ~0x0808) | 0x08); 3826 } else { 3827 run_mcu_cmd(sc, RT2860_MCU_CMD_ANTSEL, 1); 3828 run_read(sc, RT2860_GPIO_CTRL, &tmp); 3829 run_write(sc, RT2860_GPIO_CTRL, tmp & ~0x0808); 3830 } 3831 } 3832 3833 static int 3834 run_set_chan(struct run_softc *sc, struct ieee80211_channel *c) 3835 { 3836 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3837 uint32_t chan, group; 3838 3839 chan = ieee80211_chan2ieee(ic, c); 3840 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 3841 return (EINVAL); 3842 3843 if (sc->mac_ver == 0x3572) 3844 run_rt3572_set_chan(sc, chan); 3845 else if (sc->mac_ver >= 0x3070) 3846 run_rt3070_set_chan(sc, chan); 3847 else 3848 run_rt2870_set_chan(sc, chan); 3849 3850 /* determine channel group */ 3851 if (chan <= 14) 3852 group = 0; 3853 else if (chan <= 64) 3854 group = 1; 3855 else if (chan <= 128) 3856 group = 2; 3857 else 3858 group = 3; 3859 3860 /* XXX necessary only when group has changed! */ 3861 run_select_chan_group(sc, group); 3862 3863 run_delay(sc, 10); 3864 3865 return (0); 3866 } 3867 3868 static void 3869 run_set_channel(struct ieee80211com *ic) 3870 { 3871 struct run_softc *sc = ic->ic_ifp->if_softc; 3872 3873 RUN_LOCK(sc); 3874 run_set_chan(sc, ic->ic_curchan); 3875 RUN_UNLOCK(sc); 3876 3877 return; 3878 } 3879 3880 static void 3881 run_scan_start(struct ieee80211com *ic) 3882 { 3883 struct run_softc *sc = ic->ic_ifp->if_softc; 3884 uint32_t tmp; 3885 3886 RUN_LOCK(sc); 3887 3888 /* abort TSF synchronization */ 3889 run_read(sc, RT2860_BCN_TIME_CFG, &tmp); 3890 run_write(sc, RT2860_BCN_TIME_CFG, 3891 tmp & ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN | 3892 RT2860_TBTT_TIMER_EN)); 3893 run_set_bssid(sc, sc->sc_ifp->if_broadcastaddr); 3894 3895 RUN_UNLOCK(sc); 3896 3897 return; 3898 } 3899 3900 static void 3901 run_scan_end(struct ieee80211com *ic) 3902 { 3903 struct run_softc *sc = ic->ic_ifp->if_softc; 3904 3905 RUN_LOCK(sc); 3906 3907 run_enable_tsf_sync(sc); 3908 /* XXX keep local copy */ 3909 run_set_bssid(sc, sc->sc_bssid); 3910 3911 RUN_UNLOCK(sc); 3912 3913 return; 3914 } 3915 3916 /* 3917 * Could be called from ieee80211_node_timeout() 3918 * (non-sleepable thread) 3919 */ 3920 static void 3921 run_update_beacon(struct ieee80211vap *vap, int item) 3922 { 3923 struct ieee80211com *ic = vap->iv_ic; 3924 struct run_softc *sc = ic->ic_ifp->if_softc; 3925 struct run_vap *rvp = RUN_VAP(vap); 3926 int mcast = 0; 3927 uint32_t i; 3928 3929 KASSERT(vap != NULL, ("no beacon")); 3930 3931 switch (item) { 3932 case IEEE80211_BEACON_ERP: 3933 run_updateslot(ic->ic_ifp); 3934 break; 3935 case IEEE80211_BEACON_HTINFO: 3936 run_updateprot(ic); 3937 break; 3938 case IEEE80211_BEACON_TIM: 3939 mcast = 1; /*TODO*/ 3940 break; 3941 default: 3942 break; 3943 } 3944 3945 setbit(rvp->bo.bo_flags, item); 3946 ieee80211_beacon_update(vap->iv_bss, &rvp->bo, rvp->beacon_mbuf, mcast); 3947 3948 i = RUN_CMDQ_GET(&sc->cmdq_store); 3949 DPRINTF("cmdq_store=%d\n", i); 3950 sc->cmdq[i].func = run_update_beacon_cb; 3951 sc->cmdq[i].arg0 = vap; 3952 ieee80211_runtask(ic, &sc->cmdq_task); 3953 3954 return; 3955 } 3956 3957 static void 3958 run_update_beacon_cb(void *arg) 3959 { 3960 struct ieee80211vap *vap = arg; 3961 struct run_vap *rvp = RUN_VAP(vap); 3962 struct ieee80211com *ic = vap->iv_ic; 3963 struct run_softc *sc = ic->ic_ifp->if_softc; 3964 struct rt2860_txwi txwi; 3965 struct mbuf *m; 3966 uint8_t ridx; 3967 3968 if (vap->iv_bss->ni_chan == IEEE80211_CHAN_ANYC) 3969 return; 3970 3971 /* 3972 * No need to call ieee80211_beacon_update(), run_update_beacon() 3973 * is taking care of apropriate calls. 3974 */ 3975 if (rvp->beacon_mbuf == NULL) { 3976 rvp->beacon_mbuf = ieee80211_beacon_alloc(vap->iv_bss, 3977 &rvp->bo); 3978 if (rvp->beacon_mbuf == NULL) 3979 return; 3980 } 3981 m = rvp->beacon_mbuf; 3982 3983 memset(&txwi, 0, sizeof txwi); 3984 txwi.wcid = 0xff; 3985 txwi.len = htole16(m->m_pkthdr.len); 3986 /* send beacons at the lowest available rate */ 3987 ridx = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3988 RT2860_RIDX_OFDM6 : RT2860_RIDX_CCK1; 3989 txwi.phy = htole16(rt2860_rates[ridx].mcs); 3990 if (rt2860_rates[ridx].phy == IEEE80211_T_OFDM) 3991 txwi.phy |= htole16(RT2860_PHY_OFDM); 3992 txwi.txop = RT2860_TX_TXOP_HT; 3993 txwi.flags = RT2860_TX_TS; 3994 txwi.xflags = RT2860_TX_NSEQ; 3995 3996 run_write_region_1(sc, RT2860_BCN_BASE(rvp->rvp_id), 3997 (uint8_t *)&txwi, sizeof txwi); 3998 run_write_region_1(sc, RT2860_BCN_BASE(rvp->rvp_id) + sizeof txwi, 3999 mtod(m, uint8_t *), (m->m_pkthdr.len + 1) & ~1); /* roundup len */ 4000 4001 return; 4002 } 4003 4004 static void 4005 run_updateprot(struct ieee80211com *ic) 4006 { 4007 struct run_softc *sc = ic->ic_ifp->if_softc; 4008 uint32_t i; 4009 4010 i = RUN_CMDQ_GET(&sc->cmdq_store); 4011 DPRINTF("cmdq_store=%d\n", i); 4012 sc->cmdq[i].func = run_updateprot_cb; 4013 sc->cmdq[i].arg0 = ic; 4014 ieee80211_runtask(ic, &sc->cmdq_task); 4015 } 4016 4017 static void 4018 run_updateprot_cb(void *arg) 4019 { 4020 struct ieee80211com *ic = arg; 4021 struct run_softc *sc = ic->ic_ifp->if_softc; 4022 uint32_t tmp; 4023 4024 tmp = RT2860_RTSTH_EN | RT2860_PROT_NAV_SHORT | RT2860_TXOP_ALLOW_ALL; 4025 /* setup protection frame rate (MCS code) */ 4026 tmp |= (ic->ic_curmode == IEEE80211_MODE_11A) ? 4027 rt2860_rates[RT2860_RIDX_OFDM6].mcs : 4028 rt2860_rates[RT2860_RIDX_CCK11].mcs; 4029 4030 /* CCK frames don't require protection */ 4031 run_write(sc, RT2860_CCK_PROT_CFG, tmp); 4032 if (ic->ic_flags & IEEE80211_F_USEPROT) { 4033 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 4034 tmp |= RT2860_PROT_CTRL_RTS_CTS; 4035 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 4036 tmp |= RT2860_PROT_CTRL_CTS; 4037 } 4038 run_write(sc, RT2860_OFDM_PROT_CFG, tmp); 4039 } 4040 4041 static void 4042 run_usb_timeout_cb(void *arg) 4043 { 4044 struct ieee80211vap *vap = arg; 4045 struct run_softc *sc = vap->iv_ic->ic_ifp->if_softc; 4046 4047 RUN_LOCK_ASSERT(sc, MA_OWNED); 4048 4049 if(vap->iv_state == IEEE80211_S_RUN && 4050 vap->iv_opmode != IEEE80211_M_STA) 4051 run_reset_livelock(sc); 4052 else if (vap->iv_state == IEEE80211_S_SCAN) { 4053 DPRINTF("timeout caused by scan\n"); 4054 /* cancel bgscan */ 4055 ieee80211_cancel_scan(vap); 4056 } else 4057 DPRINTF("timeout by unknown cause\n"); 4058 } 4059 4060 static void 4061 run_reset_livelock(struct run_softc *sc) 4062 { 4063 uint32_t tmp; 4064 4065 RUN_LOCK_ASSERT(sc, MA_OWNED); 4066 4067 /* 4068 * In IBSS or HostAP modes (when the hardware sends beacons), the MAC 4069 * can run into a livelock and start sending CTS-to-self frames like 4070 * crazy if protection is enabled. Reset MAC/BBP for a while 4071 */ 4072 run_read(sc, RT2860_DEBUG, &tmp); 4073 DPRINTFN(3, "debug reg %08x\n", tmp); 4074 if ((tmp & (1 << 29)) && (tmp & (1 << 7 | 1 << 5))) { 4075 DPRINTF("CTS-to-self livelock detected\n"); 4076 run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_MAC_SRST); 4077 run_delay(sc, 1); 4078 run_write(sc, RT2860_MAC_SYS_CTRL, 4079 RT2860_MAC_RX_EN | RT2860_MAC_TX_EN); 4080 } 4081 } 4082 4083 static void 4084 run_update_promisc_locked(struct ifnet *ifp) 4085 { 4086 struct run_softc *sc = ifp->if_softc; 4087 uint32_t tmp; 4088 4089 run_read(sc, RT2860_RX_FILTR_CFG, &tmp); 4090 4091 tmp |= RT2860_DROP_UC_NOME; 4092 if (ifp->if_flags & IFF_PROMISC) 4093 tmp &= ~RT2860_DROP_UC_NOME; 4094 4095 run_write(sc, RT2860_RX_FILTR_CFG, tmp); 4096 4097 DPRINTF("%s promiscuous mode\n", (ifp->if_flags & IFF_PROMISC) ? 4098 "entering" : "leaving"); 4099 } 4100 4101 static void 4102 run_update_promisc(struct ifnet *ifp) 4103 { 4104 struct run_softc *sc = ifp->if_softc; 4105 4106 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 4107 return; 4108 4109 RUN_LOCK(sc); 4110 run_update_promisc_locked(ifp); 4111 RUN_UNLOCK(sc); 4112 } 4113 4114 static void 4115 run_enable_tsf_sync(struct run_softc *sc) 4116 { 4117 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 4118 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4119 uint32_t tmp; 4120 4121 DPRINTF("rvp_id=%d ic_opmode=%d\n", RUN_VAP(vap)->rvp_id, ic->ic_opmode); 4122 4123 run_read(sc, RT2860_BCN_TIME_CFG, &tmp); 4124 tmp &= ~0x1fffff; 4125 tmp |= vap->iv_bss->ni_intval * 16; 4126 tmp |= RT2860_TSF_TIMER_EN | RT2860_TBTT_TIMER_EN; 4127 4128 if (ic->ic_opmode == IEEE80211_M_STA) { 4129 /* 4130 * Local TSF is always updated with remote TSF on beacon 4131 * reception. 4132 */ 4133 tmp |= 1 << RT2860_TSF_SYNC_MODE_SHIFT; 4134 } else if (ic->ic_opmode == IEEE80211_M_IBSS) { 4135 tmp |= RT2860_BCN_TX_EN; 4136 /* 4137 * Local TSF is updated with remote TSF on beacon reception 4138 * only if the remote TSF is greater than local TSF. 4139 */ 4140 tmp |= 2 << RT2860_TSF_SYNC_MODE_SHIFT; 4141 } else if (ic->ic_opmode == IEEE80211_M_HOSTAP || 4142 ic->ic_opmode == IEEE80211_M_MBSS) { 4143 tmp |= RT2860_BCN_TX_EN; 4144 /* SYNC with nobody */ 4145 tmp |= 3 << RT2860_TSF_SYNC_MODE_SHIFT; 4146 } else { 4147 DPRINTF("Enabling TSF failed. undefined opmode\n"); 4148 return; 4149 } 4150 4151 run_write(sc, RT2860_BCN_TIME_CFG, tmp); 4152 } 4153 4154 static void 4155 run_enable_mrr(struct run_softc *sc) 4156 { 4157 #define CCK(mcs) (mcs) 4158 #define OFDM(mcs) (1 << 3 | (mcs)) 4159 run_write(sc, RT2860_LG_FBK_CFG0, 4160 OFDM(6) << 28 | /* 54->48 */ 4161 OFDM(5) << 24 | /* 48->36 */ 4162 OFDM(4) << 20 | /* 36->24 */ 4163 OFDM(3) << 16 | /* 24->18 */ 4164 OFDM(2) << 12 | /* 18->12 */ 4165 OFDM(1) << 8 | /* 12-> 9 */ 4166 OFDM(0) << 4 | /* 9-> 6 */ 4167 OFDM(0)); /* 6-> 6 */ 4168 4169 run_write(sc, RT2860_LG_FBK_CFG1, 4170 CCK(2) << 12 | /* 11->5.5 */ 4171 CCK(1) << 8 | /* 5.5-> 2 */ 4172 CCK(0) << 4 | /* 2-> 1 */ 4173 CCK(0)); /* 1-> 1 */ 4174 #undef OFDM 4175 #undef CCK 4176 } 4177 4178 static void 4179 run_set_txpreamble(struct run_softc *sc) 4180 { 4181 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 4182 uint32_t tmp; 4183 4184 run_read(sc, RT2860_AUTO_RSP_CFG, &tmp); 4185 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4186 tmp |= RT2860_CCK_SHORT_EN; 4187 else 4188 tmp &= ~RT2860_CCK_SHORT_EN; 4189 run_write(sc, RT2860_AUTO_RSP_CFG, tmp); 4190 } 4191 4192 static void 4193 run_set_basicrates(struct run_softc *sc) 4194 { 4195 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 4196 4197 /* set basic rates mask */ 4198 if (ic->ic_curmode == IEEE80211_MODE_11B) 4199 run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x003); 4200 else if (ic->ic_curmode == IEEE80211_MODE_11A) 4201 run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x150); 4202 else /* 11g */ 4203 run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x15f); 4204 } 4205 4206 static void 4207 run_set_leds(struct run_softc *sc, uint16_t which) 4208 { 4209 (void)run_mcu_cmd(sc, RT2860_MCU_CMD_LEDS, 4210 which | (sc->leds & 0x7f)); 4211 } 4212 4213 static void 4214 run_set_bssid(struct run_softc *sc, const uint8_t *bssid) 4215 { 4216 run_write(sc, RT2860_MAC_BSSID_DW0, 4217 bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24); 4218 run_write(sc, RT2860_MAC_BSSID_DW1, 4219 bssid[4] | bssid[5] << 8); 4220 } 4221 4222 static void 4223 run_set_macaddr(struct run_softc *sc, const uint8_t *addr) 4224 { 4225 run_write(sc, RT2860_MAC_ADDR_DW0, 4226 addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24); 4227 run_write(sc, RT2860_MAC_ADDR_DW1, 4228 addr[4] | addr[5] << 8 | 0xff << 16); 4229 } 4230 4231 static void 4232 run_updateslot(struct ifnet *ifp) 4233 { 4234 struct run_softc *sc = ifp->if_softc; 4235 struct ieee80211com *ic = ifp->if_l2com; 4236 uint32_t i; 4237 4238 i = RUN_CMDQ_GET(&sc->cmdq_store); 4239 DPRINTF("cmdq_store=%d\n", i); 4240 sc->cmdq[i].func = run_updateslot_cb; 4241 sc->cmdq[i].arg0 = ifp; 4242 ieee80211_runtask(ic, &sc->cmdq_task); 4243 4244 return; 4245 } 4246 4247 /* ARGSUSED */ 4248 static void 4249 run_updateslot_cb(void *arg) 4250 { 4251 struct ifnet *ifp = arg; 4252 struct run_softc *sc = ifp->if_softc; 4253 struct ieee80211com *ic = ifp->if_l2com; 4254 uint32_t tmp; 4255 4256 run_read(sc, RT2860_BKOFF_SLOT_CFG, &tmp); 4257 tmp &= ~0xff; 4258 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20; 4259 run_write(sc, RT2860_BKOFF_SLOT_CFG, tmp); 4260 } 4261 4262 static void 4263 run_update_mcast(struct ifnet *ifp) 4264 { 4265 /* h/w filter supports getting everything or nothing */ 4266 ifp->if_flags |= IFF_ALLMULTI; 4267 } 4268 4269 static int8_t 4270 run_rssi2dbm(struct run_softc *sc, uint8_t rssi, uint8_t rxchain) 4271 { 4272 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 4273 struct ieee80211_channel *c = ic->ic_curchan; 4274 int delta; 4275 4276 if (IEEE80211_IS_CHAN_5GHZ(c)) { 4277 uint32_t chan = ieee80211_chan2ieee(ic, c); 4278 delta = sc->rssi_5ghz[rxchain]; 4279 4280 /* determine channel group */ 4281 if (chan <= 64) 4282 delta -= sc->lna[1]; 4283 else if (chan <= 128) 4284 delta -= sc->lna[2]; 4285 else 4286 delta -= sc->lna[3]; 4287 } else 4288 delta = sc->rssi_2ghz[rxchain] - sc->lna[0]; 4289 4290 return (-12 - delta - rssi); 4291 } 4292 4293 static int 4294 run_bbp_init(struct run_softc *sc) 4295 { 4296 int i, error, ntries; 4297 uint8_t bbp0; 4298 4299 /* wait for BBP to wake up */ 4300 for (ntries = 0; ntries < 20; ntries++) { 4301 if ((error = run_bbp_read(sc, 0, &bbp0)) != 0) 4302 return error; 4303 if (bbp0 != 0 && bbp0 != 0xff) 4304 break; 4305 } 4306 if (ntries == 20) 4307 return (ETIMEDOUT); 4308 4309 /* initialize BBP registers to default values */ 4310 for (i = 0; i < N(rt2860_def_bbp); i++) { 4311 run_bbp_write(sc, rt2860_def_bbp[i].reg, 4312 rt2860_def_bbp[i].val); 4313 } 4314 4315 /* fix BBP84 for RT2860E */ 4316 if (sc->mac_ver == 0x2860 && sc->mac_rev != 0x0101) 4317 run_bbp_write(sc, 84, 0x19); 4318 4319 if (sc->mac_ver >= 0x3070) { 4320 run_bbp_write(sc, 79, 0x13); 4321 run_bbp_write(sc, 80, 0x05); 4322 run_bbp_write(sc, 81, 0x33); 4323 } else if (sc->mac_ver == 0x2860 && sc->mac_rev == 0x0100) { 4324 run_bbp_write(sc, 69, 0x16); 4325 run_bbp_write(sc, 73, 0x12); 4326 } 4327 return (0); 4328 } 4329 4330 static int 4331 run_rt3070_rf_init(struct run_softc *sc) 4332 { 4333 uint32_t tmp; 4334 uint8_t rf, target, bbp4; 4335 int i; 4336 4337 run_rt3070_rf_read(sc, 30, &rf); 4338 /* toggle RF R30 bit 7 */ 4339 run_rt3070_rf_write(sc, 30, rf | 0x80); 4340 run_delay(sc, 10); 4341 run_rt3070_rf_write(sc, 30, rf & ~0x80); 4342 4343 /* initialize RF registers to default value */ 4344 if (sc->mac_ver == 0x3572) { 4345 for (i = 0; i < N(rt3572_def_rf); i++) { 4346 run_rt3070_rf_write(sc, rt3572_def_rf[i].reg, 4347 rt3572_def_rf[i].val); 4348 } 4349 } else { 4350 for (i = 0; i < N(rt3070_def_rf); i++) { 4351 run_rt3070_rf_write(sc, rt3070_def_rf[i].reg, 4352 rt3070_def_rf[i].val); 4353 } 4354 } 4355 4356 if (sc->mac_ver == 0x3070) { 4357 /* change voltage from 1.2V to 1.35V for RT3070 */ 4358 run_read(sc, RT3070_LDO_CFG0, &tmp); 4359 tmp = (tmp & ~0x0f000000) | 0x0d000000; 4360 run_write(sc, RT3070_LDO_CFG0, tmp); 4361 4362 } else if (sc->mac_ver == 0x3071) { 4363 run_rt3070_rf_read(sc, 6, &rf); 4364 run_rt3070_rf_write(sc, 6, rf | 0x40); 4365 run_rt3070_rf_write(sc, 31, 0x14); 4366 4367 run_read(sc, RT3070_LDO_CFG0, &tmp); 4368 tmp &= ~0x1f000000; 4369 if (sc->mac_rev < 0x0211) 4370 tmp |= 0x0d000000; /* 1.3V */ 4371 else 4372 tmp |= 0x01000000; /* 1.2V */ 4373 run_write(sc, RT3070_LDO_CFG0, tmp); 4374 4375 /* patch LNA_PE_G1 */ 4376 run_read(sc, RT3070_GPIO_SWITCH, &tmp); 4377 run_write(sc, RT3070_GPIO_SWITCH, tmp & ~0x20); 4378 4379 } else if (sc->mac_ver == 0x3572) { 4380 run_rt3070_rf_read(sc, 6, &rf); 4381 run_rt3070_rf_write(sc, 6, rf | 0x40); 4382 4383 /* increase voltage from 1.2V to 1.35V */ 4384 run_read(sc, RT3070_LDO_CFG0, &tmp); 4385 tmp = (tmp & ~0x1f000000) | 0x0d000000; 4386 run_write(sc, RT3070_LDO_CFG0, tmp); 4387 4388 if (sc->mac_rev < 0x0211 || !sc->patch_dac) { 4389 run_delay(sc, 1); /* wait for 1msec */ 4390 /* decrease voltage back to 1.2V */ 4391 tmp = (tmp & ~0x1f000000) | 0x01000000; 4392 run_write(sc, RT3070_LDO_CFG0, tmp); 4393 } 4394 } 4395 4396 /* select 20MHz bandwidth */ 4397 run_rt3070_rf_read(sc, 31, &rf); 4398 run_rt3070_rf_write(sc, 31, rf & ~0x20); 4399 4400 /* calibrate filter for 20MHz bandwidth */ 4401 sc->rf24_20mhz = 0x1f; /* default value */ 4402 target = (sc->mac_ver < 0x3071) ? 0x16 : 0x13; 4403 run_rt3070_filter_calib(sc, 0x07, target, &sc->rf24_20mhz); 4404 4405 /* select 40MHz bandwidth */ 4406 run_bbp_read(sc, 4, &bbp4); 4407 run_bbp_write(sc, 4, (bbp4 & ~0x08) | 0x10); 4408 run_rt3070_rf_read(sc, 31, &rf); 4409 run_rt3070_rf_write(sc, 31, rf | 0x20); 4410 4411 /* calibrate filter for 40MHz bandwidth */ 4412 sc->rf24_40mhz = 0x2f; /* default value */ 4413 target = (sc->mac_ver < 0x3071) ? 0x19 : 0x15; 4414 run_rt3070_filter_calib(sc, 0x27, target, &sc->rf24_40mhz); 4415 4416 /* go back to 20MHz bandwidth */ 4417 run_bbp_read(sc, 4, &bbp4); 4418 run_bbp_write(sc, 4, bbp4 & ~0x18); 4419 4420 if (sc->mac_ver == 0x3572) { 4421 /* save default BBP registers 25 and 26 values */ 4422 run_bbp_read(sc, 25, &sc->bbp25); 4423 run_bbp_read(sc, 26, &sc->bbp26); 4424 } else if (sc->mac_rev < 0x0211) 4425 run_rt3070_rf_write(sc, 27, 0x03); 4426 4427 run_read(sc, RT3070_OPT_14, &tmp); 4428 run_write(sc, RT3070_OPT_14, tmp | 1); 4429 4430 if (sc->mac_ver == 0x3070 || sc->mac_ver == 0x3071) { 4431 run_rt3070_rf_read(sc, 17, &rf); 4432 rf &= ~RT3070_TX_LO1; 4433 if ((sc->mac_ver == 0x3070 || 4434 (sc->mac_ver == 0x3071 && sc->mac_rev >= 0x0211)) && 4435 !sc->ext_2ghz_lna) 4436 rf |= 0x20; /* fix for long range Rx issue */ 4437 if (sc->txmixgain_2ghz >= 1) 4438 rf = (rf & ~0x7) | sc->txmixgain_2ghz; 4439 run_rt3070_rf_write(sc, 17, rf); 4440 } 4441 4442 if (sc->mac_rev == 0x3071) { 4443 run_rt3070_rf_read(sc, 1, &rf); 4444 rf &= ~(RT3070_RX0_PD | RT3070_TX0_PD); 4445 rf |= RT3070_RF_BLOCK | RT3070_RX1_PD | RT3070_TX1_PD; 4446 run_rt3070_rf_write(sc, 1, rf); 4447 4448 run_rt3070_rf_read(sc, 15, &rf); 4449 run_rt3070_rf_write(sc, 15, rf & ~RT3070_TX_LO2); 4450 4451 run_rt3070_rf_read(sc, 20, &rf); 4452 run_rt3070_rf_write(sc, 20, rf & ~RT3070_RX_LO1); 4453 4454 run_rt3070_rf_read(sc, 21, &rf); 4455 run_rt3070_rf_write(sc, 21, rf & ~RT3070_RX_LO2); 4456 } 4457 4458 if (sc->mac_ver == 0x3070 || sc->mac_ver == 0x3071) { 4459 /* fix Tx to Rx IQ glitch by raising RF voltage */ 4460 run_rt3070_rf_read(sc, 27, &rf); 4461 rf &= ~0x77; 4462 if (sc->mac_rev < 0x0211) 4463 rf |= 0x03; 4464 run_rt3070_rf_write(sc, 27, rf); 4465 } 4466 return (0); 4467 } 4468 4469 static int 4470 run_rt3070_filter_calib(struct run_softc *sc, uint8_t init, uint8_t target, 4471 uint8_t *val) 4472 { 4473 uint8_t rf22, rf24; 4474 uint8_t bbp55_pb, bbp55_sb, delta; 4475 int ntries; 4476 4477 /* program filter */ 4478 run_rt3070_rf_read(sc, 24, &rf24); 4479 rf24 = (rf24 & 0xc0) | init; /* initial filter value */ 4480 run_rt3070_rf_write(sc, 24, rf24); 4481 4482 /* enable baseband loopback mode */ 4483 run_rt3070_rf_read(sc, 22, &rf22); 4484 run_rt3070_rf_write(sc, 22, rf22 | 0x01); 4485 4486 /* set power and frequency of passband test tone */ 4487 run_bbp_write(sc, 24, 0x00); 4488 for (ntries = 0; ntries < 100; ntries++) { 4489 /* transmit test tone */ 4490 run_bbp_write(sc, 25, 0x90); 4491 run_delay(sc, 10); 4492 /* read received power */ 4493 run_bbp_read(sc, 55, &bbp55_pb); 4494 if (bbp55_pb != 0) 4495 break; 4496 } 4497 if (ntries == 100) 4498 return ETIMEDOUT; 4499 4500 /* set power and frequency of stopband test tone */ 4501 run_bbp_write(sc, 24, 0x06); 4502 for (ntries = 0; ntries < 100; ntries++) { 4503 /* transmit test tone */ 4504 run_bbp_write(sc, 25, 0x90); 4505 run_delay(sc, 10); 4506 /* read received power */ 4507 run_bbp_read(sc, 55, &bbp55_sb); 4508 4509 delta = bbp55_pb - bbp55_sb; 4510 if (delta > target) 4511 break; 4512 4513 /* reprogram filter */ 4514 rf24++; 4515 run_rt3070_rf_write(sc, 24, rf24); 4516 } 4517 if (ntries < 100) { 4518 if (rf24 != init) 4519 rf24--; /* backtrack */ 4520 *val = rf24; 4521 run_rt3070_rf_write(sc, 24, rf24); 4522 } 4523 4524 /* restore initial state */ 4525 run_bbp_write(sc, 24, 0x00); 4526 4527 /* disable baseband loopback mode */ 4528 run_rt3070_rf_read(sc, 22, &rf22); 4529 run_rt3070_rf_write(sc, 22, rf22 & ~0x01); 4530 4531 return (0); 4532 } 4533 4534 static void 4535 run_rt3070_rf_setup(struct run_softc *sc) 4536 { 4537 uint8_t bbp, rf; 4538 int i; 4539 4540 if (sc->mac_ver == 0x3572) { 4541 /* enable DC filter */ 4542 if (sc->mac_rev >= 0x0201) 4543 run_bbp_write(sc, 103, 0xc0); 4544 4545 run_bbp_read(sc, 138, &bbp); 4546 if (sc->ntxchains == 1) 4547 bbp |= 0x20; /* turn off DAC1 */ 4548 if (sc->nrxchains == 1) 4549 bbp &= ~0x02; /* turn off ADC1 */ 4550 run_bbp_write(sc, 138, bbp); 4551 4552 if (sc->mac_rev >= 0x0211) { 4553 /* improve power consumption */ 4554 run_bbp_read(sc, 31, &bbp); 4555 run_bbp_write(sc, 31, bbp & ~0x03); 4556 } 4557 4558 run_rt3070_rf_read(sc, 16, &rf); 4559 rf = (rf & ~0x07) | sc->txmixgain_2ghz; 4560 run_rt3070_rf_write(sc, 16, rf); 4561 4562 } else if (sc->mac_ver == 0x3071) { 4563 /* enable DC filter */ 4564 if (sc->mac_rev >= 0x0201) 4565 run_bbp_write(sc, 103, 0xc0); 4566 4567 run_bbp_read(sc, 138, &bbp); 4568 if (sc->ntxchains == 1) 4569 bbp |= 0x20; /* turn off DAC1 */ 4570 if (sc->nrxchains == 1) 4571 bbp &= ~0x02; /* turn off ADC1 */ 4572 run_bbp_write(sc, 138, bbp); 4573 4574 if (sc->mac_rev >= 0x0211) { 4575 /* improve power consumption */ 4576 run_bbp_read(sc, 31, &bbp); 4577 run_bbp_write(sc, 31, bbp & ~0x03); 4578 } 4579 4580 run_write(sc, RT2860_TX_SW_CFG1, 0); 4581 if (sc->mac_rev < 0x0211) { 4582 run_write(sc, RT2860_TX_SW_CFG2, 4583 sc->patch_dac ? 0x2c : 0x0f); 4584 } else 4585 run_write(sc, RT2860_TX_SW_CFG2, 0); 4586 4587 } else if (sc->mac_ver == 0x3070) { 4588 if (sc->mac_rev >= 0x0201) { 4589 /* enable DC filter */ 4590 run_bbp_write(sc, 103, 0xc0); 4591 4592 /* improve power consumption */ 4593 run_bbp_read(sc, 31, &bbp); 4594 run_bbp_write(sc, 31, bbp & ~0x03); 4595 } 4596 4597 if (sc->mac_rev < 0x0211) { 4598 run_write(sc, RT2860_TX_SW_CFG1, 0); 4599 run_write(sc, RT2860_TX_SW_CFG2, 0x2c); 4600 } else 4601 run_write(sc, RT2860_TX_SW_CFG2, 0); 4602 } 4603 4604 /* initialize RF registers from ROM for >=RT3071*/ 4605 if (sc->mac_ver >= 0x3071) { 4606 for (i = 0; i < 10; i++) { 4607 if (sc->rf[i].reg == 0 || sc->rf[i].reg == 0xff) 4608 continue; 4609 run_rt3070_rf_write(sc, sc->rf[i].reg, sc->rf[i].val); 4610 } 4611 } 4612 } 4613 4614 static int 4615 run_txrx_enable(struct run_softc *sc) 4616 { 4617 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 4618 uint32_t tmp; 4619 int error, ntries; 4620 4621 run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_MAC_TX_EN); 4622 for (ntries = 0; ntries < 200; ntries++) { 4623 if ((error = run_read(sc, RT2860_WPDMA_GLO_CFG, &tmp)) != 0) 4624 return error; 4625 if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0) 4626 break; 4627 run_delay(sc, 50); 4628 } 4629 if (ntries == 200) 4630 return ETIMEDOUT; 4631 4632 run_delay(sc, 50); 4633 4634 tmp |= RT2860_RX_DMA_EN | RT2860_TX_DMA_EN | RT2860_TX_WB_DDONE; 4635 run_write(sc, RT2860_WPDMA_GLO_CFG, tmp); 4636 4637 /* enable Rx bulk aggregation (set timeout and limit) */ 4638 tmp = RT2860_USB_TX_EN | RT2860_USB_RX_EN | RT2860_USB_RX_AGG_EN | 4639 RT2860_USB_RX_AGG_TO(128) | RT2860_USB_RX_AGG_LMT(2); 4640 run_write(sc, RT2860_USB_DMA_CFG, tmp); 4641 4642 /* set Rx filter */ 4643 tmp = RT2860_DROP_CRC_ERR | RT2860_DROP_PHY_ERR; 4644 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 4645 tmp |= RT2860_DROP_UC_NOME | RT2860_DROP_DUPL | 4646 RT2860_DROP_CTS | RT2860_DROP_BA | RT2860_DROP_ACK | 4647 RT2860_DROP_VER_ERR | RT2860_DROP_CTRL_RSV | 4648 RT2860_DROP_CFACK | RT2860_DROP_CFEND; 4649 if (ic->ic_opmode == IEEE80211_M_STA) 4650 tmp |= RT2860_DROP_RTS | RT2860_DROP_PSPOLL; 4651 } 4652 run_write(sc, RT2860_RX_FILTR_CFG, tmp); 4653 4654 run_write(sc, RT2860_MAC_SYS_CTRL, 4655 RT2860_MAC_RX_EN | RT2860_MAC_TX_EN); 4656 4657 return (0); 4658 } 4659 4660 static void 4661 run_init_locked(struct run_softc *sc) 4662 { 4663 struct ifnet *ifp = sc->sc_ifp; 4664 struct ieee80211com *ic = ifp->if_l2com; 4665 uint32_t tmp; 4666 uint8_t bbp1, bbp3; 4667 int i; 4668 int ridx; 4669 int ntries; 4670 4671 if (ic->ic_nrunning > 1) 4672 return; 4673 4674 run_stop(sc); 4675 4676 if (run_load_microcode(sc) != 0) { 4677 device_printf(sc->sc_dev, "could not load 8051 microcode\n"); 4678 goto fail; 4679 } 4680 4681 for (ntries = 0; ntries < 100; ntries++) { 4682 if (run_read(sc, RT2860_ASIC_VER_ID, &tmp) != 0) 4683 goto fail; 4684 if (tmp != 0 && tmp != 0xffffffff) 4685 break; 4686 run_delay(sc, 10); 4687 } 4688 if (ntries == 100) 4689 goto fail; 4690 4691 for (i = 0; i != RUN_EP_QUEUES; i++) 4692 run_setup_tx_list(sc, &sc->sc_epq[i]); 4693 4694 run_set_macaddr(sc, IF_LLADDR(ifp)); 4695 4696 for (ntries = 0; ntries < 100; ntries++) { 4697 if (run_read(sc, RT2860_WPDMA_GLO_CFG, &tmp) != 0) 4698 goto fail; 4699 if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0) 4700 break; 4701 run_delay(sc, 10); 4702 } 4703 if (ntries == 100) { 4704 device_printf(sc->sc_dev, "timeout waiting for DMA engine\n"); 4705 goto fail; 4706 } 4707 tmp &= 0xff0; 4708 tmp |= RT2860_TX_WB_DDONE; 4709 run_write(sc, RT2860_WPDMA_GLO_CFG, tmp); 4710 4711 /* turn off PME_OEN to solve high-current issue */ 4712 run_read(sc, RT2860_SYS_CTRL, &tmp); 4713 run_write(sc, RT2860_SYS_CTRL, tmp & ~RT2860_PME_OEN); 4714 4715 run_write(sc, RT2860_MAC_SYS_CTRL, 4716 RT2860_BBP_HRST | RT2860_MAC_SRST); 4717 run_write(sc, RT2860_USB_DMA_CFG, 0); 4718 4719 if (run_reset(sc) != 0) { 4720 device_printf(sc->sc_dev, "could not reset chipset\n"); 4721 goto fail; 4722 } 4723 4724 run_write(sc, RT2860_MAC_SYS_CTRL, 0); 4725 4726 /* init Tx power for all Tx rates (from EEPROM) */ 4727 for (ridx = 0; ridx < 5; ridx++) { 4728 if (sc->txpow20mhz[ridx] == 0xffffffff) 4729 continue; 4730 run_write(sc, RT2860_TX_PWR_CFG(ridx), sc->txpow20mhz[ridx]); 4731 } 4732 4733 for (i = 0; i < N(rt2870_def_mac); i++) 4734 run_write(sc, rt2870_def_mac[i].reg, rt2870_def_mac[i].val); 4735 run_write(sc, RT2860_WMM_AIFSN_CFG, 0x00002273); 4736 run_write(sc, RT2860_WMM_CWMIN_CFG, 0x00002344); 4737 run_write(sc, RT2860_WMM_CWMAX_CFG, 0x000034aa); 4738 4739 if (sc->mac_ver >= 0x3070) { 4740 /* set delay of PA_PE assertion to 1us (unit of 0.25us) */ 4741 run_write(sc, RT2860_TX_SW_CFG0, 4742 4 << RT2860_DLY_PAPE_EN_SHIFT); 4743 } 4744 4745 /* wait while MAC is busy */ 4746 for (ntries = 0; ntries < 100; ntries++) { 4747 if (run_read(sc, RT2860_MAC_STATUS_REG, &tmp) != 0) 4748 goto fail; 4749 if (!(tmp & (RT2860_RX_STATUS_BUSY | RT2860_TX_STATUS_BUSY))) 4750 break; 4751 run_delay(sc, 10); 4752 } 4753 if (ntries == 100) 4754 goto fail; 4755 4756 /* clear Host to MCU mailbox */ 4757 run_write(sc, RT2860_H2M_BBPAGENT, 0); 4758 run_write(sc, RT2860_H2M_MAILBOX, 0); 4759 run_delay(sc, 10); 4760 4761 if (run_bbp_init(sc) != 0) { 4762 device_printf(sc->sc_dev, "could not initialize BBP\n"); 4763 goto fail; 4764 } 4765 4766 /* abort TSF synchronization */ 4767 run_read(sc, RT2860_BCN_TIME_CFG, &tmp); 4768 tmp &= ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN | 4769 RT2860_TBTT_TIMER_EN); 4770 run_write(sc, RT2860_BCN_TIME_CFG, tmp); 4771 4772 /* clear RX WCID search table */ 4773 run_set_region_4(sc, RT2860_WCID_ENTRY(0), 0, 512); 4774 /* clear WCID attribute table */ 4775 run_set_region_4(sc, RT2860_WCID_ATTR(0), 0, 8 * 32); 4776 4777 /* hostapd sets a key before init. So, don't clear it. */ 4778 if (sc->cmdq_key_set != RUN_CMDQ_GO) { 4779 /* clear shared key table */ 4780 run_set_region_4(sc, RT2860_SKEY(0, 0), 0, 8 * 32); 4781 /* clear shared key mode */ 4782 run_set_region_4(sc, RT2860_SKEY_MODE_0_7, 0, 4); 4783 } 4784 4785 run_read(sc, RT2860_US_CYC_CNT, &tmp); 4786 tmp = (tmp & ~0xff) | 0x1e; 4787 run_write(sc, RT2860_US_CYC_CNT, tmp); 4788 4789 if (sc->mac_rev != 0x0101) 4790 run_write(sc, RT2860_TXOP_CTRL_CFG, 0x0000583f); 4791 4792 run_write(sc, RT2860_WMM_TXOP0_CFG, 0); 4793 run_write(sc, RT2860_WMM_TXOP1_CFG, 48 << 16 | 96); 4794 4795 /* write vendor-specific BBP values (from EEPROM) */ 4796 for (i = 0; i < 10; i++) { 4797 if (sc->bbp[i].reg == 0 || sc->bbp[i].reg == 0xff) 4798 continue; 4799 run_bbp_write(sc, sc->bbp[i].reg, sc->bbp[i].val); 4800 } 4801 4802 /* select Main antenna for 1T1R devices */ 4803 if (sc->rf_rev == RT3070_RF_3020) 4804 run_set_rx_antenna(sc, 0); 4805 4806 /* send LEDs operating mode to microcontroller */ 4807 (void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED1, sc->led[0]); 4808 (void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED2, sc->led[1]); 4809 (void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED3, sc->led[2]); 4810 4811 if (sc->mac_ver >= 0x3070) 4812 run_rt3070_rf_init(sc); 4813 4814 /* disable non-existing Rx chains */ 4815 run_bbp_read(sc, 3, &bbp3); 4816 bbp3 &= ~(1 << 3 | 1 << 4); 4817 if (sc->nrxchains == 2) 4818 bbp3 |= 1 << 3; 4819 else if (sc->nrxchains == 3) 4820 bbp3 |= 1 << 4; 4821 run_bbp_write(sc, 3, bbp3); 4822 4823 /* disable non-existing Tx chains */ 4824 run_bbp_read(sc, 1, &bbp1); 4825 if (sc->ntxchains == 1) 4826 bbp1 &= ~(1 << 3 | 1 << 4); 4827 run_bbp_write(sc, 1, bbp1); 4828 4829 if (sc->mac_ver >= 0x3070) 4830 run_rt3070_rf_setup(sc); 4831 4832 /* select default channel */ 4833 run_set_chan(sc, ic->ic_curchan); 4834 4835 /* setup initial protection mode */ 4836 run_updateprot_cb(ic); 4837 4838 /* turn radio LED on */ 4839 run_set_leds(sc, RT2860_LED_RADIO); 4840 4841 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 4842 ifp->if_drv_flags |= IFF_DRV_RUNNING; 4843 sc->cmdq_run = RUN_CMDQ_GO; 4844 4845 for (i = 0; i != RUN_N_XFER; i++) 4846 usbd_xfer_set_stall(sc->sc_xfer[i]); 4847 4848 usbd_transfer_start(sc->sc_xfer[RUN_BULK_RX]); 4849 4850 if (run_txrx_enable(sc) != 0) 4851 goto fail; 4852 4853 return; 4854 4855 fail: 4856 run_stop(sc); 4857 } 4858 4859 static void 4860 run_init(void *arg) 4861 { 4862 struct run_softc *sc = arg; 4863 struct ifnet *ifp = sc->sc_ifp; 4864 struct ieee80211com *ic = ifp->if_l2com; 4865 4866 RUN_LOCK(sc); 4867 run_init_locked(sc); 4868 RUN_UNLOCK(sc); 4869 4870 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 4871 ieee80211_start_all(ic); 4872 } 4873 4874 static void 4875 run_stop(void *arg) 4876 { 4877 struct run_softc *sc = (struct run_softc *)arg; 4878 struct ifnet *ifp = sc->sc_ifp; 4879 uint32_t tmp; 4880 int i; 4881 int ntries; 4882 4883 RUN_LOCK_ASSERT(sc, MA_OWNED); 4884 4885 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 4886 run_set_leds(sc, 0); /* turn all LEDs off */ 4887 4888 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 4889 4890 sc->ratectl_run = RUN_RATECTL_OFF; 4891 sc->cmdq_run = sc->cmdq_key_set; 4892 4893 RUN_UNLOCK(sc); 4894 4895 for(i = 0; i < RUN_N_XFER; i++) 4896 usbd_transfer_drain(sc->sc_xfer[i]); 4897 4898 RUN_LOCK(sc); 4899 4900 if (sc->rx_m != NULL) { 4901 m_free(sc->rx_m); 4902 sc->rx_m = NULL; 4903 } 4904 4905 /* disable Tx/Rx */ 4906 run_read(sc, RT2860_MAC_SYS_CTRL, &tmp); 4907 tmp &= ~(RT2860_MAC_RX_EN | RT2860_MAC_TX_EN); 4908 run_write(sc, RT2860_MAC_SYS_CTRL, tmp); 4909 4910 /* wait for pending Tx to complete */ 4911 for (ntries = 0; ntries < 100; ntries++) { 4912 if (run_read(sc, RT2860_TXRXQ_PCNT, &tmp) != 0) { 4913 DPRINTF("Cannot read Tx queue count\n"); 4914 break; 4915 } 4916 if ((tmp & RT2860_TX2Q_PCNT_MASK) == 0) { 4917 DPRINTF("All Tx cleared\n"); 4918 break; 4919 } 4920 run_delay(sc, 10); 4921 } 4922 if (ntries >= 100) 4923 DPRINTF("There are still pending Tx\n"); 4924 run_delay(sc, 10); 4925 run_write(sc, RT2860_USB_DMA_CFG, 0); 4926 4927 run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_BBP_HRST | RT2860_MAC_SRST); 4928 run_write(sc, RT2860_MAC_SYS_CTRL, 0); 4929 4930 for (i = 0; i != RUN_EP_QUEUES; i++) 4931 run_unsetup_tx_list(sc, &sc->sc_epq[i]); 4932 4933 return; 4934 } 4935 4936 static void 4937 run_delay(struct run_softc *sc, unsigned int ms) 4938 { 4939 usb_pause_mtx(mtx_owned(&sc->sc_mtx) ? 4940 &sc->sc_mtx : NULL, USB_MS_TO_TICKS(ms)); 4941 } 4942 4943 static device_method_t run_methods[] = { 4944 /* Device interface */ 4945 DEVMETHOD(device_probe, run_match), 4946 DEVMETHOD(device_attach, run_attach), 4947 DEVMETHOD(device_detach, run_detach), 4948 4949 { 0, 0 } 4950 }; 4951 4952 static driver_t run_driver = { 4953 .name = "run", 4954 .methods = run_methods, 4955 .size = sizeof(struct run_softc) 4956 }; 4957 4958 static devclass_t run_devclass; 4959 4960 DRIVER_MODULE(run, uhub, run_driver, run_devclass, NULL, 0); 4961 MODULE_DEPEND(run, wlan, 1, 1, 1); 4962 MODULE_DEPEND(run, usb, 1, 1, 1); 4963 MODULE_DEPEND(run, firmware, 1, 1, 1); 4964 MODULE_VERSION(run, 1); 4965