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(ASUS, USB_N53), 140 RUN_DEV(ASUS2, USBN11), 141 RUN_DEV(AZUREWAVE, RT2870_1), 142 RUN_DEV(AZUREWAVE, RT2870_2), 143 RUN_DEV(AZUREWAVE, RT3070_1), 144 RUN_DEV(AZUREWAVE, RT3070_2), 145 RUN_DEV(AZUREWAVE, RT3070_3), 146 RUN_DEV(BELKIN, F5D8053V3), 147 RUN_DEV(BELKIN, F5D8055), 148 RUN_DEV(BELKIN, F5D8055V2), 149 RUN_DEV(BELKIN, F6D4050V1), 150 RUN_DEV(BELKIN, RT2870_1), 151 RUN_DEV(BELKIN, RT2870_2), 152 RUN_DEV(CISCOLINKSYS, AE1000), 153 RUN_DEV(CISCOLINKSYS2, RT3070), 154 RUN_DEV(CISCOLINKSYS3, RT3070), 155 RUN_DEV(CONCEPTRONIC2, RT2870_1), 156 RUN_DEV(CONCEPTRONIC2, RT2870_2), 157 RUN_DEV(CONCEPTRONIC2, RT2870_3), 158 RUN_DEV(CONCEPTRONIC2, RT2870_4), 159 RUN_DEV(CONCEPTRONIC2, RT2870_5), 160 RUN_DEV(CONCEPTRONIC2, RT2870_6), 161 RUN_DEV(CONCEPTRONIC2, RT2870_7), 162 RUN_DEV(CONCEPTRONIC2, RT2870_8), 163 RUN_DEV(CONCEPTRONIC2, RT3070_1), 164 RUN_DEV(CONCEPTRONIC2, RT3070_2), 165 RUN_DEV(CONCEPTRONIC2, VIGORN61), 166 RUN_DEV(COREGA, CGWLUSB300GNM), 167 RUN_DEV(COREGA, RT2870_1), 168 RUN_DEV(COREGA, RT2870_2), 169 RUN_DEV(COREGA, RT2870_3), 170 RUN_DEV(COREGA, RT3070), 171 RUN_DEV(CYBERTAN, RT2870), 172 RUN_DEV(DLINK, RT2870), 173 RUN_DEV(DLINK, RT3072), 174 RUN_DEV(DLINK, DWA127), 175 RUN_DEV(DLINK2, DWA130), 176 RUN_DEV(DLINK2, RT2870_1), 177 RUN_DEV(DLINK2, RT2870_2), 178 RUN_DEV(DLINK2, RT3070_1), 179 RUN_DEV(DLINK2, RT3070_2), 180 RUN_DEV(DLINK2, RT3070_3), 181 RUN_DEV(DLINK2, RT3070_4), 182 RUN_DEV(DLINK2, RT3070_5), 183 RUN_DEV(DLINK2, RT3072), 184 RUN_DEV(DLINK2, RT3072_1), 185 RUN_DEV(EDIMAX, EW7717), 186 RUN_DEV(EDIMAX, EW7718), 187 RUN_DEV(EDIMAX, RT2870_1), 188 RUN_DEV(ENCORE, RT3070_1), 189 RUN_DEV(ENCORE, RT3070_2), 190 RUN_DEV(ENCORE, RT3070_3), 191 RUN_DEV(GIGABYTE, GNWB31N), 192 RUN_DEV(GIGABYTE, GNWB32L), 193 RUN_DEV(GIGABYTE, RT2870_1), 194 RUN_DEV(GIGASET, RT3070_1), 195 RUN_DEV(GIGASET, RT3070_2), 196 RUN_DEV(GUILLEMOT, HWNU300), 197 RUN_DEV(HAWKING, HWUN2), 198 RUN_DEV(HAWKING, RT2870_1), 199 RUN_DEV(HAWKING, RT2870_2), 200 RUN_DEV(HAWKING, RT3070), 201 RUN_DEV(IODATA, RT3072_1), 202 RUN_DEV(IODATA, RT3072_2), 203 RUN_DEV(IODATA, RT3072_3), 204 RUN_DEV(IODATA, RT3072_4), 205 RUN_DEV(LINKSYS4, RT3070), 206 RUN_DEV(LINKSYS4, WUSB100), 207 RUN_DEV(LINKSYS4, WUSB54GCV3), 208 RUN_DEV(LINKSYS4, WUSB600N), 209 RUN_DEV(LINKSYS4, WUSB600NV2), 210 RUN_DEV(LOGITEC, RT2870_1), 211 RUN_DEV(LOGITEC, RT2870_2), 212 RUN_DEV(LOGITEC, RT2870_3), 213 RUN_DEV(LOGITEC, LANW300NU2), 214 RUN_DEV(LOGITEC, LANW150NU2), 215 RUN_DEV(LOGITEC, LANW300NU2S), 216 RUN_DEV(MELCO, RT2870_1), 217 RUN_DEV(MELCO, RT2870_2), 218 RUN_DEV(MELCO, WLIUCAG300N), 219 RUN_DEV(MELCO, WLIUCG300N), 220 RUN_DEV(MELCO, WLIUCG301N), 221 RUN_DEV(MELCO, WLIUCGN), 222 RUN_DEV(MELCO, WLIUCGNM), 223 RUN_DEV(MELCO, WLIUCGNM2), 224 RUN_DEV(MOTOROLA4, RT2770), 225 RUN_DEV(MOTOROLA4, RT3070), 226 RUN_DEV(MSI, RT3070_1), 227 RUN_DEV(MSI, RT3070_2), 228 RUN_DEV(MSI, RT3070_3), 229 RUN_DEV(MSI, RT3070_4), 230 RUN_DEV(MSI, RT3070_5), 231 RUN_DEV(MSI, RT3070_6), 232 RUN_DEV(MSI, RT3070_7), 233 RUN_DEV(MSI, RT3070_8), 234 RUN_DEV(MSI, RT3070_9), 235 RUN_DEV(MSI, RT3070_10), 236 RUN_DEV(MSI, RT3070_11), 237 RUN_DEV(OVISLINK, RT3072), 238 RUN_DEV(PARA, RT3070), 239 RUN_DEV(PEGATRON, RT2870), 240 RUN_DEV(PEGATRON, RT3070), 241 RUN_DEV(PEGATRON, RT3070_2), 242 RUN_DEV(PEGATRON, RT3070_3), 243 RUN_DEV(PHILIPS, RT2870), 244 RUN_DEV(PLANEX2, GWUS300MINIS), 245 RUN_DEV(PLANEX2, GWUSMICRON), 246 RUN_DEV(PLANEX2, RT2870), 247 RUN_DEV(PLANEX2, RT3070), 248 RUN_DEV(QCOM, RT2870), 249 RUN_DEV(QUANTA, RT3070), 250 RUN_DEV(RALINK, RT2070), 251 RUN_DEV(RALINK, RT2770), 252 RUN_DEV(RALINK, RT2870), 253 RUN_DEV(RALINK, RT3070), 254 RUN_DEV(RALINK, RT3071), 255 RUN_DEV(RALINK, RT3072), 256 RUN_DEV(RALINK, RT3370), 257 RUN_DEV(RALINK, RT3572), 258 RUN_DEV(RALINK, RT8070), 259 RUN_DEV(SAMSUNG, WIS09ABGN), 260 RUN_DEV(SAMSUNG2, RT2870_1), 261 RUN_DEV(SENAO, RT2870_1), 262 RUN_DEV(SENAO, RT2870_2), 263 RUN_DEV(SENAO, RT2870_3), 264 RUN_DEV(SENAO, RT2870_4), 265 RUN_DEV(SENAO, RT3070), 266 RUN_DEV(SENAO, RT3071), 267 RUN_DEV(SENAO, RT3072_1), 268 RUN_DEV(SENAO, RT3072_2), 269 RUN_DEV(SENAO, RT3072_3), 270 RUN_DEV(SENAO, RT3072_4), 271 RUN_DEV(SENAO, RT3072_5), 272 RUN_DEV(SITECOMEU, RT2770), 273 RUN_DEV(SITECOMEU, RT2870_1), 274 RUN_DEV(SITECOMEU, RT2870_2), 275 RUN_DEV(SITECOMEU, RT2870_3), 276 RUN_DEV(SITECOMEU, RT2870_4), 277 RUN_DEV(SITECOMEU, RT3070), 278 RUN_DEV(SITECOMEU, RT3070_2), 279 RUN_DEV(SITECOMEU, RT3070_3), 280 RUN_DEV(SITECOMEU, RT3070_4), 281 RUN_DEV(SITECOMEU, RT3071), 282 RUN_DEV(SITECOMEU, RT3072_1), 283 RUN_DEV(SITECOMEU, RT3072_2), 284 RUN_DEV(SITECOMEU, RT3072_3), 285 RUN_DEV(SITECOMEU, RT3072_4), 286 RUN_DEV(SITECOMEU, RT3072_5), 287 RUN_DEV(SITECOMEU, RT3072_6), 288 RUN_DEV(SITECOMEU, WL608), 289 RUN_DEV(SPARKLAN, RT2870_1), 290 RUN_DEV(SPARKLAN, RT3070), 291 RUN_DEV(SWEEX2, LW153), 292 RUN_DEV(SWEEX2, LW303), 293 RUN_DEV(SWEEX2, LW313), 294 RUN_DEV(TOSHIBA, RT3070), 295 RUN_DEV(UMEDIA, RT2870_1), 296 RUN_DEV(ZCOM, RT2870_1), 297 RUN_DEV(ZCOM, RT2870_2), 298 RUN_DEV(ZINWELL, RT2870_1), 299 RUN_DEV(ZINWELL, RT2870_2), 300 RUN_DEV(ZINWELL, RT3070), 301 RUN_DEV(ZINWELL, RT3072_1), 302 RUN_DEV(ZINWELL, RT3072_2), 303 RUN_DEV(ZYXEL, RT2870_1), 304 RUN_DEV(ZYXEL, RT2870_2), 305 #undef RUN_DEV 306 }; 307 308 static device_probe_t run_match; 309 static device_attach_t run_attach; 310 static device_detach_t run_detach; 311 312 static usb_callback_t run_bulk_rx_callback; 313 static usb_callback_t run_bulk_tx_callback0; 314 static usb_callback_t run_bulk_tx_callback1; 315 static usb_callback_t run_bulk_tx_callback2; 316 static usb_callback_t run_bulk_tx_callback3; 317 static usb_callback_t run_bulk_tx_callback4; 318 static usb_callback_t run_bulk_tx_callback5; 319 320 static void run_bulk_tx_callbackN(struct usb_xfer *xfer, 321 usb_error_t error, unsigned int index); 322 static struct ieee80211vap *run_vap_create(struct ieee80211com *, 323 const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 324 const uint8_t [IEEE80211_ADDR_LEN], 325 const uint8_t [IEEE80211_ADDR_LEN]); 326 static void run_vap_delete(struct ieee80211vap *); 327 static void run_cmdq_cb(void *, int); 328 static void run_setup_tx_list(struct run_softc *, 329 struct run_endpoint_queue *); 330 static void run_unsetup_tx_list(struct run_softc *, 331 struct run_endpoint_queue *); 332 static int run_load_microcode(struct run_softc *); 333 static int run_reset(struct run_softc *); 334 static usb_error_t run_do_request(struct run_softc *, 335 struct usb_device_request *, void *); 336 static int run_read(struct run_softc *, uint16_t, uint32_t *); 337 static int run_read_region_1(struct run_softc *, uint16_t, uint8_t *, int); 338 static int run_write_2(struct run_softc *, uint16_t, uint16_t); 339 static int run_write(struct run_softc *, uint16_t, uint32_t); 340 static int run_write_region_1(struct run_softc *, uint16_t, 341 const uint8_t *, int); 342 static int run_set_region_4(struct run_softc *, uint16_t, uint32_t, int); 343 static int run_efuse_read_2(struct run_softc *, uint16_t, uint16_t *); 344 static int run_eeprom_read_2(struct run_softc *, uint16_t, uint16_t *); 345 static int run_rt2870_rf_write(struct run_softc *, uint8_t, uint32_t); 346 static int run_rt3070_rf_read(struct run_softc *, uint8_t, uint8_t *); 347 static int run_rt3070_rf_write(struct run_softc *, uint8_t, uint8_t); 348 static int run_bbp_read(struct run_softc *, uint8_t, uint8_t *); 349 static int run_bbp_write(struct run_softc *, uint8_t, uint8_t); 350 static int run_mcu_cmd(struct run_softc *, uint8_t, uint16_t); 351 static const char *run_get_rf(int); 352 static int run_read_eeprom(struct run_softc *); 353 static struct ieee80211_node *run_node_alloc(struct ieee80211vap *, 354 const uint8_t mac[IEEE80211_ADDR_LEN]); 355 static int run_media_change(struct ifnet *); 356 static int run_newstate(struct ieee80211vap *, enum ieee80211_state, int); 357 static int run_wme_update(struct ieee80211com *); 358 static void run_wme_update_cb(void *); 359 static void run_key_update_begin(struct ieee80211vap *); 360 static void run_key_update_end(struct ieee80211vap *); 361 static void run_key_set_cb(void *); 362 static int run_key_set(struct ieee80211vap *, struct ieee80211_key *, 363 const uint8_t mac[IEEE80211_ADDR_LEN]); 364 static void run_key_delete_cb(void *); 365 static int run_key_delete(struct ieee80211vap *, struct ieee80211_key *); 366 static void run_ratectl_to(void *); 367 static void run_ratectl_cb(void *, int); 368 static void run_drain_fifo(void *); 369 static void run_iter_func(void *, struct ieee80211_node *); 370 static void run_newassoc_cb(void *); 371 static void run_newassoc(struct ieee80211_node *, int); 372 static void run_rx_frame(struct run_softc *, struct mbuf *, uint32_t); 373 static void run_tx_free(struct run_endpoint_queue *pq, 374 struct run_tx_data *, int); 375 static void run_set_tx_desc(struct run_softc *, struct run_tx_data *); 376 static int run_tx(struct run_softc *, struct mbuf *, 377 struct ieee80211_node *); 378 static int run_tx_mgt(struct run_softc *, struct mbuf *, 379 struct ieee80211_node *); 380 static int run_sendprot(struct run_softc *, const struct mbuf *, 381 struct ieee80211_node *, int, int); 382 static int run_tx_param(struct run_softc *, struct mbuf *, 383 struct ieee80211_node *, 384 const struct ieee80211_bpf_params *); 385 static int run_raw_xmit(struct ieee80211_node *, struct mbuf *, 386 const struct ieee80211_bpf_params *); 387 static void run_start(struct ifnet *); 388 static int run_ioctl(struct ifnet *, u_long, caddr_t); 389 static void run_set_agc(struct run_softc *, uint8_t); 390 static void run_select_chan_group(struct run_softc *, int); 391 static void run_set_rx_antenna(struct run_softc *, int); 392 static void run_rt2870_set_chan(struct run_softc *, u_int); 393 static void run_rt3070_set_chan(struct run_softc *, u_int); 394 static void run_rt3572_set_chan(struct run_softc *, u_int); 395 static int run_set_chan(struct run_softc *, struct ieee80211_channel *); 396 static void run_set_channel(struct ieee80211com *); 397 static void run_scan_start(struct ieee80211com *); 398 static void run_scan_end(struct ieee80211com *); 399 static void run_update_beacon(struct ieee80211vap *, int); 400 static void run_update_beacon_cb(void *); 401 static void run_updateprot(struct ieee80211com *); 402 static void run_updateprot_cb(void *); 403 static void run_usb_timeout_cb(void *); 404 static void run_reset_livelock(struct run_softc *); 405 static void run_enable_tsf_sync(struct run_softc *); 406 static void run_enable_mrr(struct run_softc *); 407 static void run_set_txpreamble(struct run_softc *); 408 static void run_set_basicrates(struct run_softc *); 409 static void run_set_leds(struct run_softc *, uint16_t); 410 static void run_set_bssid(struct run_softc *, const uint8_t *); 411 static void run_set_macaddr(struct run_softc *, const uint8_t *); 412 static void run_updateslot(struct ifnet *); 413 static void run_updateslot_cb(void *); 414 static void run_update_mcast(struct ifnet *); 415 static int8_t run_rssi2dbm(struct run_softc *, uint8_t, uint8_t); 416 static void run_update_promisc_locked(struct ifnet *); 417 static void run_update_promisc(struct ifnet *); 418 static int run_bbp_init(struct run_softc *); 419 static int run_rt3070_rf_init(struct run_softc *); 420 static int run_rt3070_filter_calib(struct run_softc *, uint8_t, uint8_t, 421 uint8_t *); 422 static void run_rt3070_rf_setup(struct run_softc *); 423 static int run_txrx_enable(struct run_softc *); 424 static void run_init(void *); 425 static void run_init_locked(struct run_softc *); 426 static void run_stop(void *); 427 static void run_delay(struct run_softc *, unsigned int); 428 429 static const struct { 430 uint16_t reg; 431 uint32_t val; 432 } rt2870_def_mac[] = { 433 RT2870_DEF_MAC 434 }; 435 436 static const struct { 437 uint8_t reg; 438 uint8_t val; 439 } rt2860_def_bbp[] = { 440 RT2860_DEF_BBP 441 }; 442 443 static const struct rfprog { 444 uint8_t chan; 445 uint32_t r1, r2, r3, r4; 446 } rt2860_rf2850[] = { 447 RT2860_RF2850 448 }; 449 450 struct { 451 uint8_t n, r, k; 452 } rt3070_freqs[] = { 453 RT3070_RF3052 454 }; 455 456 static const struct { 457 uint8_t reg; 458 uint8_t val; 459 } rt3070_def_rf[] = { 460 RT3070_DEF_RF 461 },rt3572_def_rf[] = { 462 RT3572_DEF_RF 463 }; 464 465 static const struct usb_config run_config[RUN_N_XFER] = { 466 [RUN_BULK_TX_BE] = { 467 .type = UE_BULK, 468 .endpoint = UE_ADDR_ANY, 469 .ep_index = 0, 470 .direction = UE_DIR_OUT, 471 .bufsize = RUN_MAX_TXSZ, 472 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 473 .callback = run_bulk_tx_callback0, 474 .timeout = 5000, /* ms */ 475 }, 476 [RUN_BULK_TX_BK] = { 477 .type = UE_BULK, 478 .endpoint = UE_ADDR_ANY, 479 .direction = UE_DIR_OUT, 480 .ep_index = 1, 481 .bufsize = RUN_MAX_TXSZ, 482 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 483 .callback = run_bulk_tx_callback1, 484 .timeout = 5000, /* ms */ 485 }, 486 [RUN_BULK_TX_VI] = { 487 .type = UE_BULK, 488 .endpoint = UE_ADDR_ANY, 489 .direction = UE_DIR_OUT, 490 .ep_index = 2, 491 .bufsize = RUN_MAX_TXSZ, 492 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 493 .callback = run_bulk_tx_callback2, 494 .timeout = 5000, /* ms */ 495 }, 496 [RUN_BULK_TX_VO] = { 497 .type = UE_BULK, 498 .endpoint = UE_ADDR_ANY, 499 .direction = UE_DIR_OUT, 500 .ep_index = 3, 501 .bufsize = RUN_MAX_TXSZ, 502 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 503 .callback = run_bulk_tx_callback3, 504 .timeout = 5000, /* ms */ 505 }, 506 [RUN_BULK_TX_HCCA] = { 507 .type = UE_BULK, 508 .endpoint = UE_ADDR_ANY, 509 .direction = UE_DIR_OUT, 510 .ep_index = 4, 511 .bufsize = RUN_MAX_TXSZ, 512 .flags = {.pipe_bof = 1,.force_short_xfer = 1,.no_pipe_ok = 1,}, 513 .callback = run_bulk_tx_callback4, 514 .timeout = 5000, /* ms */ 515 }, 516 [RUN_BULK_TX_PRIO] = { 517 .type = UE_BULK, 518 .endpoint = UE_ADDR_ANY, 519 .direction = UE_DIR_OUT, 520 .ep_index = 5, 521 .bufsize = RUN_MAX_TXSZ, 522 .flags = {.pipe_bof = 1,.force_short_xfer = 1,.no_pipe_ok = 1,}, 523 .callback = run_bulk_tx_callback5, 524 .timeout = 5000, /* ms */ 525 }, 526 [RUN_BULK_RX] = { 527 .type = UE_BULK, 528 .endpoint = UE_ADDR_ANY, 529 .direction = UE_DIR_IN, 530 .bufsize = RUN_MAX_RXSZ, 531 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 532 .callback = run_bulk_rx_callback, 533 } 534 }; 535 536 static int 537 run_match(device_t self) 538 { 539 struct usb_attach_arg *uaa = device_get_ivars(self); 540 541 if (uaa->usb_mode != USB_MODE_HOST) 542 return (ENXIO); 543 if (uaa->info.bConfigIndex != 0) 544 return (ENXIO); 545 if (uaa->info.bIfaceIndex != RT2860_IFACE_INDEX) 546 return (ENXIO); 547 548 return (usbd_lookup_id_by_uaa(run_devs, sizeof(run_devs), uaa)); 549 } 550 551 static int 552 run_attach(device_t self) 553 { 554 struct run_softc *sc = device_get_softc(self); 555 struct usb_attach_arg *uaa = device_get_ivars(self); 556 struct ieee80211com *ic; 557 struct ifnet *ifp; 558 uint32_t ver; 559 int i, ntries, error; 560 uint8_t iface_index, bands; 561 562 device_set_usb_desc(self); 563 sc->sc_udev = uaa->device; 564 sc->sc_dev = self; 565 566 mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), 567 MTX_NETWORK_LOCK, MTX_DEF); 568 569 iface_index = RT2860_IFACE_INDEX; 570 571 error = usbd_transfer_setup(uaa->device, &iface_index, 572 sc->sc_xfer, run_config, RUN_N_XFER, sc, &sc->sc_mtx); 573 if (error) { 574 device_printf(self, "could not allocate USB transfers, " 575 "err=%s\n", usbd_errstr(error)); 576 goto detach; 577 } 578 579 RUN_LOCK(sc); 580 581 /* wait for the chip to settle */ 582 for (ntries = 0; ntries < 100; ntries++) { 583 if (run_read(sc, RT2860_ASIC_VER_ID, &ver) != 0) { 584 RUN_UNLOCK(sc); 585 goto detach; 586 } 587 if (ver != 0 && ver != 0xffffffff) 588 break; 589 run_delay(sc, 10); 590 } 591 if (ntries == 100) { 592 device_printf(sc->sc_dev, 593 "timeout waiting for NIC to initialize\n"); 594 RUN_UNLOCK(sc); 595 goto detach; 596 } 597 sc->mac_ver = ver >> 16; 598 sc->mac_rev = ver & 0xffff; 599 600 /* retrieve RF rev. no and various other things from EEPROM */ 601 run_read_eeprom(sc); 602 603 device_printf(sc->sc_dev, 604 "MAC/BBP RT%04X (rev 0x%04X), RF %s (MIMO %dT%dR), address %s\n", 605 sc->mac_ver, sc->mac_rev, run_get_rf(sc->rf_rev), 606 sc->ntxchains, sc->nrxchains, ether_sprintf(sc->sc_bssid)); 607 608 RUN_UNLOCK(sc); 609 610 ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 611 if (ifp == NULL) { 612 device_printf(sc->sc_dev, "can not if_alloc()\n"); 613 goto detach; 614 } 615 ic = ifp->if_l2com; 616 617 ifp->if_softc = sc; 618 if_initname(ifp, "run", device_get_unit(sc->sc_dev)); 619 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 620 ifp->if_init = run_init; 621 ifp->if_ioctl = run_ioctl; 622 ifp->if_start = run_start; 623 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 624 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 625 IFQ_SET_READY(&ifp->if_snd); 626 627 ic->ic_ifp = ifp; 628 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 629 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 630 631 /* set device capabilities */ 632 ic->ic_caps = 633 IEEE80211_C_STA | /* station mode supported */ 634 IEEE80211_C_MONITOR | /* monitor mode supported */ 635 IEEE80211_C_IBSS | 636 IEEE80211_C_HOSTAP | 637 IEEE80211_C_WDS | /* 4-address traffic works */ 638 IEEE80211_C_MBSS | 639 IEEE80211_C_SHPREAMBLE | /* short preamble supported */ 640 IEEE80211_C_SHSLOT | /* short slot time supported */ 641 IEEE80211_C_WME | /* WME */ 642 IEEE80211_C_WPA; /* WPA1|WPA2(RSN) */ 643 644 ic->ic_cryptocaps = 645 IEEE80211_CRYPTO_WEP | 646 IEEE80211_CRYPTO_AES_CCM | 647 IEEE80211_CRYPTO_TKIPMIC | 648 IEEE80211_CRYPTO_TKIP; 649 650 ic->ic_flags |= IEEE80211_F_DATAPAD; 651 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS; 652 653 bands = 0; 654 setbit(&bands, IEEE80211_MODE_11B); 655 setbit(&bands, IEEE80211_MODE_11G); 656 ieee80211_init_channels(ic, NULL, &bands); 657 658 /* 659 * Do this by own because h/w supports 660 * more channels than ieee80211_init_channels() 661 */ 662 if (sc->rf_rev == RT2860_RF_2750 || 663 sc->rf_rev == RT2860_RF_2850 || 664 sc->rf_rev == RT3070_RF_3052) { 665 /* set supported .11a rates */ 666 for (i = 14; i < N(rt2860_rf2850); i++) { 667 uint8_t chan = rt2860_rf2850[i].chan; 668 ic->ic_channels[ic->ic_nchans].ic_freq = 669 ieee80211_ieee2mhz(chan, IEEE80211_CHAN_A); 670 ic->ic_channels[ic->ic_nchans].ic_ieee = chan; 671 ic->ic_channels[ic->ic_nchans].ic_flags = IEEE80211_CHAN_A; 672 ic->ic_channels[ic->ic_nchans].ic_extieee = 0; 673 ic->ic_nchans++; 674 } 675 } 676 677 ieee80211_ifattach(ic, sc->sc_bssid); 678 679 ic->ic_scan_start = run_scan_start; 680 ic->ic_scan_end = run_scan_end; 681 ic->ic_set_channel = run_set_channel; 682 ic->ic_node_alloc = run_node_alloc; 683 ic->ic_newassoc = run_newassoc; 684 ic->ic_updateslot = run_updateslot; 685 ic->ic_update_mcast = run_update_mcast; 686 ic->ic_wme.wme_update = run_wme_update; 687 ic->ic_raw_xmit = run_raw_xmit; 688 ic->ic_update_promisc = run_update_promisc; 689 690 ic->ic_vap_create = run_vap_create; 691 ic->ic_vap_delete = run_vap_delete; 692 693 ieee80211_radiotap_attach(ic, 694 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 695 RUN_TX_RADIOTAP_PRESENT, 696 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 697 RUN_RX_RADIOTAP_PRESENT); 698 699 TASK_INIT(&sc->cmdq_task, 0, run_cmdq_cb, sc); 700 TASK_INIT(&sc->ratectl_task, 0, run_ratectl_cb, sc); 701 callout_init((struct callout *)&sc->ratectl_ch, 1); 702 703 if (bootverbose) 704 ieee80211_announce(ic); 705 706 return (0); 707 708 detach: 709 run_detach(self); 710 return (ENXIO); 711 } 712 713 static int 714 run_detach(device_t self) 715 { 716 struct run_softc *sc = device_get_softc(self); 717 struct ifnet *ifp = sc->sc_ifp; 718 struct ieee80211com *ic; 719 int i; 720 721 RUN_LOCK(sc); 722 sc->sc_detached = 1; 723 RUN_UNLOCK(sc); 724 725 /* stop all USB transfers */ 726 usbd_transfer_unsetup(sc->sc_xfer, RUN_N_XFER); 727 728 RUN_LOCK(sc); 729 sc->ratectl_run = RUN_RATECTL_OFF; 730 sc->cmdq_run = sc->cmdq_key_set = RUN_CMDQ_ABORT; 731 732 /* free TX list, if any */ 733 for (i = 0; i != RUN_EP_QUEUES; i++) 734 run_unsetup_tx_list(sc, &sc->sc_epq[i]); 735 RUN_UNLOCK(sc); 736 737 if (ifp) { 738 ic = ifp->if_l2com; 739 /* drain tasks */ 740 usb_callout_drain(&sc->ratectl_ch); 741 ieee80211_draintask(ic, &sc->cmdq_task); 742 ieee80211_draintask(ic, &sc->ratectl_task); 743 ieee80211_ifdetach(ic); 744 if_free(ifp); 745 } 746 747 mtx_destroy(&sc->sc_mtx); 748 749 return (0); 750 } 751 752 static struct ieee80211vap * 753 run_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 754 enum ieee80211_opmode opmode, int flags, 755 const uint8_t bssid[IEEE80211_ADDR_LEN], 756 const uint8_t mac[IEEE80211_ADDR_LEN]) 757 { 758 struct ifnet *ifp = ic->ic_ifp; 759 struct run_softc *sc = ifp->if_softc; 760 struct run_vap *rvp; 761 struct ieee80211vap *vap; 762 int i; 763 764 if (sc->rvp_cnt >= RUN_VAP_MAX) { 765 if_printf(ifp, "number of VAPs maxed out\n"); 766 return (NULL); 767 } 768 769 switch (opmode) { 770 case IEEE80211_M_STA: 771 /* enable s/w bmiss handling for sta mode */ 772 flags |= IEEE80211_CLONE_NOBEACONS; 773 /* fall though */ 774 case IEEE80211_M_IBSS: 775 case IEEE80211_M_MONITOR: 776 case IEEE80211_M_HOSTAP: 777 case IEEE80211_M_MBSS: 778 /* other than WDS vaps, only one at a time */ 779 if (!TAILQ_EMPTY(&ic->ic_vaps)) 780 return (NULL); 781 break; 782 case IEEE80211_M_WDS: 783 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next){ 784 if(vap->iv_opmode != IEEE80211_M_HOSTAP) 785 continue; 786 /* WDS vap's always share the local mac address. */ 787 flags &= ~IEEE80211_CLONE_BSSID; 788 break; 789 } 790 if (vap == NULL) { 791 if_printf(ifp, "wds only supported in ap mode\n"); 792 return (NULL); 793 } 794 break; 795 default: 796 if_printf(ifp, "unknown opmode %d\n", opmode); 797 return (NULL); 798 } 799 800 rvp = (struct run_vap *) malloc(sizeof(struct run_vap), 801 M_80211_VAP, M_NOWAIT | M_ZERO); 802 if (rvp == NULL) 803 return (NULL); 804 vap = &rvp->vap; 805 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 806 807 vap->iv_key_update_begin = run_key_update_begin; 808 vap->iv_key_update_end = run_key_update_end; 809 vap->iv_update_beacon = run_update_beacon; 810 vap->iv_max_aid = RT2870_WCID_MAX; 811 /* 812 * To delete the right key from h/w, we need wcid. 813 * Luckily, there is unused space in ieee80211_key{}, wk_pad, 814 * and matching wcid will be written into there. So, cast 815 * some spells to remove 'const' from ieee80211_key{} 816 */ 817 vap->iv_key_delete = (void *)run_key_delete; 818 vap->iv_key_set = (void *)run_key_set; 819 820 /* override state transition machine */ 821 rvp->newstate = vap->iv_newstate; 822 vap->iv_newstate = run_newstate; 823 824 ieee80211_ratectl_init(vap); 825 ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */); 826 827 /* complete setup */ 828 ieee80211_vap_attach(vap, run_media_change, ieee80211_media_status); 829 830 /* make sure id is always unique */ 831 for (i = 0; i < RUN_VAP_MAX; i++) { 832 if((sc->rvp_bmap & 1 << i) == 0){ 833 sc->rvp_bmap |= 1 << i; 834 rvp->rvp_id = i; 835 break; 836 } 837 } 838 if (sc->rvp_cnt++ == 0) 839 ic->ic_opmode = opmode; 840 841 if (opmode == IEEE80211_M_HOSTAP) 842 sc->cmdq_run = RUN_CMDQ_GO; 843 844 DPRINTF("rvp_id=%d bmap=%x rvp_cnt=%d\n", 845 rvp->rvp_id, sc->rvp_bmap, sc->rvp_cnt); 846 847 return (vap); 848 } 849 850 static void 851 run_vap_delete(struct ieee80211vap *vap) 852 { 853 struct run_vap *rvp = RUN_VAP(vap); 854 struct ifnet *ifp; 855 struct ieee80211com *ic; 856 struct run_softc *sc; 857 uint8_t rvp_id; 858 859 if (vap == NULL) 860 return; 861 862 ic = vap->iv_ic; 863 ifp = ic->ic_ifp; 864 865 sc = ifp->if_softc; 866 867 RUN_LOCK(sc); 868 869 m_freem(rvp->beacon_mbuf); 870 rvp->beacon_mbuf = NULL; 871 872 rvp_id = rvp->rvp_id; 873 sc->ratectl_run &= ~(1 << rvp_id); 874 sc->rvp_bmap &= ~(1 << rvp_id); 875 run_set_region_4(sc, RT2860_SKEY(rvp_id, 0), 0, 128); 876 run_set_region_4(sc, RT2860_BCN_BASE(rvp_id), 0, 512); 877 --sc->rvp_cnt; 878 879 DPRINTF("vap=%p rvp_id=%d bmap=%x rvp_cnt=%d\n", 880 vap, rvp_id, sc->rvp_bmap, sc->rvp_cnt); 881 882 RUN_UNLOCK(sc); 883 884 ieee80211_ratectl_deinit(vap); 885 ieee80211_vap_detach(vap); 886 free(rvp, M_80211_VAP); 887 } 888 889 /* 890 * There are numbers of functions need to be called in context thread. 891 * Rather than creating taskqueue event for each of those functions, 892 * here is all-for-one taskqueue callback function. This function 893 * gurantees deferred functions are executed in the same order they 894 * were enqueued. 895 * '& RUN_CMDQ_MASQ' is to loop cmdq[]. 896 */ 897 static void 898 run_cmdq_cb(void *arg, int pending) 899 { 900 struct run_softc *sc = arg; 901 uint8_t i; 902 903 /* call cmdq[].func locked */ 904 RUN_LOCK(sc); 905 for (i = sc->cmdq_exec; sc->cmdq[i].func && pending; 906 i = sc->cmdq_exec, pending--) { 907 DPRINTFN(6, "cmdq_exec=%d pending=%d\n", i, pending); 908 if (sc->cmdq_run == RUN_CMDQ_GO) { 909 /* 910 * If arg0 is NULL, callback func needs more 911 * than one arg. So, pass ptr to cmdq struct. 912 */ 913 if (sc->cmdq[i].arg0) 914 sc->cmdq[i].func(sc->cmdq[i].arg0); 915 else 916 sc->cmdq[i].func(&sc->cmdq[i]); 917 } 918 sc->cmdq[i].arg0 = NULL; 919 sc->cmdq[i].func = NULL; 920 sc->cmdq_exec++; 921 sc->cmdq_exec &= RUN_CMDQ_MASQ; 922 } 923 RUN_UNLOCK(sc); 924 } 925 926 static void 927 run_setup_tx_list(struct run_softc *sc, struct run_endpoint_queue *pq) 928 { 929 struct run_tx_data *data; 930 931 memset(pq, 0, sizeof(*pq)); 932 933 STAILQ_INIT(&pq->tx_qh); 934 STAILQ_INIT(&pq->tx_fh); 935 936 for (data = &pq->tx_data[0]; 937 data < &pq->tx_data[RUN_TX_RING_COUNT]; data++) { 938 data->sc = sc; 939 STAILQ_INSERT_TAIL(&pq->tx_fh, data, next); 940 } 941 pq->tx_nfree = RUN_TX_RING_COUNT; 942 } 943 944 static void 945 run_unsetup_tx_list(struct run_softc *sc, struct run_endpoint_queue *pq) 946 { 947 struct run_tx_data *data; 948 949 /* make sure any subsequent use of the queues will fail */ 950 pq->tx_nfree = 0; 951 STAILQ_INIT(&pq->tx_fh); 952 STAILQ_INIT(&pq->tx_qh); 953 954 /* free up all node references and mbufs */ 955 for (data = &pq->tx_data[0]; 956 data < &pq->tx_data[RUN_TX_RING_COUNT]; data++) { 957 if (data->m != NULL) { 958 m_freem(data->m); 959 data->m = NULL; 960 } 961 if (data->ni != NULL) { 962 ieee80211_free_node(data->ni); 963 data->ni = NULL; 964 } 965 } 966 } 967 968 static int 969 run_load_microcode(struct run_softc *sc) 970 { 971 usb_device_request_t req; 972 const struct firmware *fw; 973 const u_char *base; 974 uint32_t tmp; 975 int ntries, error; 976 const uint64_t *temp; 977 uint64_t bytes; 978 979 RUN_UNLOCK(sc); 980 fw = firmware_get("runfw"); 981 RUN_LOCK(sc); 982 if (fw == NULL) { 983 device_printf(sc->sc_dev, 984 "failed loadfirmware of file %s\n", "runfw"); 985 return ENOENT; 986 } 987 988 if (fw->datasize != 8192) { 989 device_printf(sc->sc_dev, 990 "invalid firmware size (should be 8KB)\n"); 991 error = EINVAL; 992 goto fail; 993 } 994 995 /* 996 * RT3071/RT3072 use a different firmware 997 * run-rt2870 (8KB) contains both, 998 * first half (4KB) is for rt2870, 999 * last half is for rt3071. 1000 */ 1001 base = fw->data; 1002 if ((sc->mac_ver) != 0x2860 && 1003 (sc->mac_ver) != 0x2872 && 1004 (sc->mac_ver) != 0x3070) { 1005 base += 4096; 1006 } 1007 1008 /* cheap sanity check */ 1009 temp = fw->data; 1010 bytes = *temp; 1011 if (bytes != be64toh(0xffffff0210280210)) { 1012 device_printf(sc->sc_dev, "firmware checksum failed\n"); 1013 error = EINVAL; 1014 goto fail; 1015 } 1016 1017 run_read(sc, RT2860_ASIC_VER_ID, &tmp); 1018 /* write microcode image */ 1019 run_write_region_1(sc, RT2870_FW_BASE, base, 4096); 1020 run_write(sc, RT2860_H2M_MAILBOX_CID, 0xffffffff); 1021 run_write(sc, RT2860_H2M_MAILBOX_STATUS, 0xffffffff); 1022 1023 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1024 req.bRequest = RT2870_RESET; 1025 USETW(req.wValue, 8); 1026 USETW(req.wIndex, 0); 1027 USETW(req.wLength, 0); 1028 if ((error = usbd_do_request(sc->sc_udev, &sc->sc_mtx, &req, NULL)) 1029 != 0) { 1030 device_printf(sc->sc_dev, "firmware reset failed\n"); 1031 goto fail; 1032 } 1033 1034 run_delay(sc, 10); 1035 1036 run_write(sc, RT2860_H2M_MAILBOX, 0); 1037 if ((error = run_mcu_cmd(sc, RT2860_MCU_CMD_RFRESET, 0)) != 0) 1038 goto fail; 1039 1040 /* wait until microcontroller is ready */ 1041 for (ntries = 0; ntries < 1000; ntries++) { 1042 if ((error = run_read(sc, RT2860_SYS_CTRL, &tmp)) != 0) { 1043 goto fail; 1044 } 1045 if (tmp & RT2860_MCU_READY) 1046 break; 1047 run_delay(sc, 10); 1048 } 1049 if (ntries == 1000) { 1050 device_printf(sc->sc_dev, 1051 "timeout waiting for MCU to initialize\n"); 1052 error = ETIMEDOUT; 1053 goto fail; 1054 } 1055 device_printf(sc->sc_dev, "firmware %s ver. %u.%u loaded\n", 1056 (base == fw->data) ? "RT2870" : "RT3071", 1057 *(base + 4092), *(base + 4093)); 1058 1059 fail: 1060 firmware_put(fw, FIRMWARE_UNLOAD); 1061 return (error); 1062 } 1063 1064 int 1065 run_reset(struct run_softc *sc) 1066 { 1067 usb_device_request_t req; 1068 1069 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1070 req.bRequest = RT2870_RESET; 1071 USETW(req.wValue, 1); 1072 USETW(req.wIndex, 0); 1073 USETW(req.wLength, 0); 1074 return (usbd_do_request(sc->sc_udev, &sc->sc_mtx, &req, NULL)); 1075 } 1076 1077 static usb_error_t 1078 run_do_request(struct run_softc *sc, 1079 struct usb_device_request *req, void *data) 1080 { 1081 usb_error_t err; 1082 int ntries = 10; 1083 1084 RUN_LOCK_ASSERT(sc, MA_OWNED); 1085 1086 while (ntries--) { 1087 err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx, 1088 req, data, 0, NULL, 250 /* ms */); 1089 if (err == 0) 1090 break; 1091 DPRINTFN(1, "Control request failed, %s (retrying)\n", 1092 usbd_errstr(err)); 1093 run_delay(sc, 10); 1094 } 1095 return (err); 1096 } 1097 1098 static int 1099 run_read(struct run_softc *sc, uint16_t reg, uint32_t *val) 1100 { 1101 uint32_t tmp; 1102 int error; 1103 1104 error = run_read_region_1(sc, reg, (uint8_t *)&tmp, sizeof tmp); 1105 if (error == 0) 1106 *val = le32toh(tmp); 1107 else 1108 *val = 0xffffffff; 1109 return (error); 1110 } 1111 1112 static int 1113 run_read_region_1(struct run_softc *sc, uint16_t reg, uint8_t *buf, int len) 1114 { 1115 usb_device_request_t req; 1116 1117 req.bmRequestType = UT_READ_VENDOR_DEVICE; 1118 req.bRequest = RT2870_READ_REGION_1; 1119 USETW(req.wValue, 0); 1120 USETW(req.wIndex, reg); 1121 USETW(req.wLength, len); 1122 1123 return (run_do_request(sc, &req, buf)); 1124 } 1125 1126 static int 1127 run_write_2(struct run_softc *sc, uint16_t reg, uint16_t val) 1128 { 1129 usb_device_request_t req; 1130 1131 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1132 req.bRequest = RT2870_WRITE_2; 1133 USETW(req.wValue, val); 1134 USETW(req.wIndex, reg); 1135 USETW(req.wLength, 0); 1136 1137 return (run_do_request(sc, &req, NULL)); 1138 } 1139 1140 static int 1141 run_write(struct run_softc *sc, uint16_t reg, uint32_t val) 1142 { 1143 int error; 1144 1145 if ((error = run_write_2(sc, reg, val & 0xffff)) == 0) 1146 error = run_write_2(sc, reg + 2, val >> 16); 1147 return (error); 1148 } 1149 1150 static int 1151 run_write_region_1(struct run_softc *sc, uint16_t reg, const uint8_t *buf, 1152 int len) 1153 { 1154 #if 1 1155 int i, error = 0; 1156 /* 1157 * NB: the WRITE_REGION_1 command is not stable on RT2860. 1158 * We thus issue multiple WRITE_2 commands instead. 1159 */ 1160 KASSERT((len & 1) == 0, ("run_write_region_1: Data too long.\n")); 1161 for (i = 0; i < len && error == 0; i += 2) 1162 error = run_write_2(sc, reg + i, buf[i] | buf[i + 1] << 8); 1163 return (error); 1164 #else 1165 usb_device_request_t req; 1166 1167 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1168 req.bRequest = RT2870_WRITE_REGION_1; 1169 USETW(req.wValue, 0); 1170 USETW(req.wIndex, reg); 1171 USETW(req.wLength, len); 1172 return (run_do_request(sc, &req, buf)); 1173 #endif 1174 } 1175 1176 static int 1177 run_set_region_4(struct run_softc *sc, uint16_t reg, uint32_t val, int len) 1178 { 1179 int i, error = 0; 1180 1181 KASSERT((len & 3) == 0, ("run_set_region_4: Invalid data length.\n")); 1182 for (i = 0; i < len && error == 0; i += 4) 1183 error = run_write(sc, reg + i, val); 1184 return (error); 1185 } 1186 1187 /* Read 16-bit from eFUSE ROM (RT3070 only.) */ 1188 static int 1189 run_efuse_read_2(struct run_softc *sc, uint16_t addr, uint16_t *val) 1190 { 1191 uint32_t tmp; 1192 uint16_t reg; 1193 int error, ntries; 1194 1195 if ((error = run_read(sc, RT3070_EFUSE_CTRL, &tmp)) != 0) 1196 return (error); 1197 1198 addr *= 2; 1199 /*- 1200 * Read one 16-byte block into registers EFUSE_DATA[0-3]: 1201 * DATA0: F E D C 1202 * DATA1: B A 9 8 1203 * DATA2: 7 6 5 4 1204 * DATA3: 3 2 1 0 1205 */ 1206 tmp &= ~(RT3070_EFSROM_MODE_MASK | RT3070_EFSROM_AIN_MASK); 1207 tmp |= (addr & ~0xf) << RT3070_EFSROM_AIN_SHIFT | RT3070_EFSROM_KICK; 1208 run_write(sc, RT3070_EFUSE_CTRL, tmp); 1209 for (ntries = 0; ntries < 100; ntries++) { 1210 if ((error = run_read(sc, RT3070_EFUSE_CTRL, &tmp)) != 0) 1211 return (error); 1212 if (!(tmp & RT3070_EFSROM_KICK)) 1213 break; 1214 run_delay(sc, 2); 1215 } 1216 if (ntries == 100) 1217 return (ETIMEDOUT); 1218 1219 if ((tmp & RT3070_EFUSE_AOUT_MASK) == RT3070_EFUSE_AOUT_MASK) { 1220 *val = 0xffff; /* address not found */ 1221 return (0); 1222 } 1223 /* determine to which 32-bit register our 16-bit word belongs */ 1224 reg = RT3070_EFUSE_DATA3 - (addr & 0xc); 1225 if ((error = run_read(sc, reg, &tmp)) != 0) 1226 return (error); 1227 1228 *val = (addr & 2) ? tmp >> 16 : tmp & 0xffff; 1229 return (0); 1230 } 1231 1232 static int 1233 run_eeprom_read_2(struct run_softc *sc, uint16_t addr, uint16_t *val) 1234 { 1235 usb_device_request_t req; 1236 uint16_t tmp; 1237 int error; 1238 1239 addr *= 2; 1240 req.bmRequestType = UT_READ_VENDOR_DEVICE; 1241 req.bRequest = RT2870_EEPROM_READ; 1242 USETW(req.wValue, 0); 1243 USETW(req.wIndex, addr); 1244 USETW(req.wLength, sizeof tmp); 1245 1246 error = usbd_do_request(sc->sc_udev, &sc->sc_mtx, &req, &tmp); 1247 if (error == 0) 1248 *val = le16toh(tmp); 1249 else 1250 *val = 0xffff; 1251 return (error); 1252 } 1253 1254 static __inline int 1255 run_srom_read(struct run_softc *sc, uint16_t addr, uint16_t *val) 1256 { 1257 /* either eFUSE ROM or EEPROM */ 1258 return sc->sc_srom_read(sc, addr, val); 1259 } 1260 1261 static int 1262 run_rt2870_rf_write(struct run_softc *sc, uint8_t reg, uint32_t val) 1263 { 1264 uint32_t tmp; 1265 int error, ntries; 1266 1267 for (ntries = 0; ntries < 10; ntries++) { 1268 if ((error = run_read(sc, RT2860_RF_CSR_CFG0, &tmp)) != 0) 1269 return (error); 1270 if (!(tmp & RT2860_RF_REG_CTRL)) 1271 break; 1272 } 1273 if (ntries == 10) 1274 return (ETIMEDOUT); 1275 1276 /* RF registers are 24-bit on the RT2860 */ 1277 tmp = RT2860_RF_REG_CTRL | 24 << RT2860_RF_REG_WIDTH_SHIFT | 1278 (val & 0x3fffff) << 2 | (reg & 3); 1279 return (run_write(sc, RT2860_RF_CSR_CFG0, tmp)); 1280 } 1281 1282 static int 1283 run_rt3070_rf_read(struct run_softc *sc, uint8_t reg, uint8_t *val) 1284 { 1285 uint32_t tmp; 1286 int error, ntries; 1287 1288 for (ntries = 0; ntries < 100; ntries++) { 1289 if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0) 1290 return (error); 1291 if (!(tmp & RT3070_RF_KICK)) 1292 break; 1293 } 1294 if (ntries == 100) 1295 return (ETIMEDOUT); 1296 1297 tmp = RT3070_RF_KICK | reg << 8; 1298 if ((error = run_write(sc, RT3070_RF_CSR_CFG, tmp)) != 0) 1299 return (error); 1300 1301 for (ntries = 0; ntries < 100; ntries++) { 1302 if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0) 1303 return (error); 1304 if (!(tmp & RT3070_RF_KICK)) 1305 break; 1306 } 1307 if (ntries == 100) 1308 return (ETIMEDOUT); 1309 1310 *val = tmp & 0xff; 1311 return (0); 1312 } 1313 1314 static int 1315 run_rt3070_rf_write(struct run_softc *sc, uint8_t reg, uint8_t val) 1316 { 1317 uint32_t tmp; 1318 int error, ntries; 1319 1320 for (ntries = 0; ntries < 10; ntries++) { 1321 if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0) 1322 return (error); 1323 if (!(tmp & RT3070_RF_KICK)) 1324 break; 1325 } 1326 if (ntries == 10) 1327 return (ETIMEDOUT); 1328 1329 tmp = RT3070_RF_WRITE | RT3070_RF_KICK | reg << 8 | val; 1330 return (run_write(sc, RT3070_RF_CSR_CFG, tmp)); 1331 } 1332 1333 static int 1334 run_bbp_read(struct run_softc *sc, uint8_t reg, uint8_t *val) 1335 { 1336 uint32_t tmp; 1337 int ntries, error; 1338 1339 for (ntries = 0; ntries < 10; ntries++) { 1340 if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0) 1341 return (error); 1342 if (!(tmp & RT2860_BBP_CSR_KICK)) 1343 break; 1344 } 1345 if (ntries == 10) 1346 return (ETIMEDOUT); 1347 1348 tmp = RT2860_BBP_CSR_READ | RT2860_BBP_CSR_KICK | reg << 8; 1349 if ((error = run_write(sc, RT2860_BBP_CSR_CFG, tmp)) != 0) 1350 return (error); 1351 1352 for (ntries = 0; ntries < 10; ntries++) { 1353 if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0) 1354 return (error); 1355 if (!(tmp & RT2860_BBP_CSR_KICK)) 1356 break; 1357 } 1358 if (ntries == 10) 1359 return (ETIMEDOUT); 1360 1361 *val = tmp & 0xff; 1362 return (0); 1363 } 1364 1365 static int 1366 run_bbp_write(struct run_softc *sc, uint8_t reg, uint8_t val) 1367 { 1368 uint32_t tmp; 1369 int ntries, error; 1370 1371 for (ntries = 0; ntries < 10; ntries++) { 1372 if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0) 1373 return (error); 1374 if (!(tmp & RT2860_BBP_CSR_KICK)) 1375 break; 1376 } 1377 if (ntries == 10) 1378 return (ETIMEDOUT); 1379 1380 tmp = RT2860_BBP_CSR_KICK | reg << 8 | val; 1381 return (run_write(sc, RT2860_BBP_CSR_CFG, tmp)); 1382 } 1383 1384 /* 1385 * Send a command to the 8051 microcontroller unit. 1386 */ 1387 static int 1388 run_mcu_cmd(struct run_softc *sc, uint8_t cmd, uint16_t arg) 1389 { 1390 uint32_t tmp; 1391 int error, ntries; 1392 1393 for (ntries = 0; ntries < 100; ntries++) { 1394 if ((error = run_read(sc, RT2860_H2M_MAILBOX, &tmp)) != 0) 1395 return error; 1396 if (!(tmp & RT2860_H2M_BUSY)) 1397 break; 1398 } 1399 if (ntries == 100) 1400 return ETIMEDOUT; 1401 1402 tmp = RT2860_H2M_BUSY | RT2860_TOKEN_NO_INTR << 16 | arg; 1403 if ((error = run_write(sc, RT2860_H2M_MAILBOX, tmp)) == 0) 1404 error = run_write(sc, RT2860_HOST_CMD, cmd); 1405 return (error); 1406 } 1407 1408 /* 1409 * Add `delta' (signed) to each 4-bit sub-word of a 32-bit word. 1410 * Used to adjust per-rate Tx power registers. 1411 */ 1412 static __inline uint32_t 1413 b4inc(uint32_t b32, int8_t delta) 1414 { 1415 int8_t i, b4; 1416 1417 for (i = 0; i < 8; i++) { 1418 b4 = b32 & 0xf; 1419 b4 += delta; 1420 if (b4 < 0) 1421 b4 = 0; 1422 else if (b4 > 0xf) 1423 b4 = 0xf; 1424 b32 = b32 >> 4 | b4 << 28; 1425 } 1426 return (b32); 1427 } 1428 1429 static const char * 1430 run_get_rf(int rev) 1431 { 1432 switch (rev) { 1433 case RT2860_RF_2820: return "RT2820"; 1434 case RT2860_RF_2850: return "RT2850"; 1435 case RT2860_RF_2720: return "RT2720"; 1436 case RT2860_RF_2750: return "RT2750"; 1437 case RT3070_RF_3020: return "RT3020"; 1438 case RT3070_RF_2020: return "RT2020"; 1439 case RT3070_RF_3021: return "RT3021"; 1440 case RT3070_RF_3022: return "RT3022"; 1441 case RT3070_RF_3052: return "RT3052"; 1442 } 1443 return ("unknown"); 1444 } 1445 1446 int 1447 run_read_eeprom(struct run_softc *sc) 1448 { 1449 int8_t delta_2ghz, delta_5ghz; 1450 uint32_t tmp; 1451 uint16_t val; 1452 int ridx, ant, i; 1453 1454 /* check whether the ROM is eFUSE ROM or EEPROM */ 1455 sc->sc_srom_read = run_eeprom_read_2; 1456 if (sc->mac_ver >= 0x3070) { 1457 run_read(sc, RT3070_EFUSE_CTRL, &tmp); 1458 DPRINTF("EFUSE_CTRL=0x%08x\n", tmp); 1459 if (tmp & RT3070_SEL_EFUSE) 1460 sc->sc_srom_read = run_efuse_read_2; 1461 } 1462 1463 /* read ROM version */ 1464 run_srom_read(sc, RT2860_EEPROM_VERSION, &val); 1465 DPRINTF("EEPROM rev=%d, FAE=%d\n", val & 0xff, val >> 8); 1466 1467 /* read MAC address */ 1468 run_srom_read(sc, RT2860_EEPROM_MAC01, &val); 1469 sc->sc_bssid[0] = val & 0xff; 1470 sc->sc_bssid[1] = val >> 8; 1471 run_srom_read(sc, RT2860_EEPROM_MAC23, &val); 1472 sc->sc_bssid[2] = val & 0xff; 1473 sc->sc_bssid[3] = val >> 8; 1474 run_srom_read(sc, RT2860_EEPROM_MAC45, &val); 1475 sc->sc_bssid[4] = val & 0xff; 1476 sc->sc_bssid[5] = val >> 8; 1477 1478 /* read vender BBP settings */ 1479 for (i = 0; i < 10; i++) { 1480 run_srom_read(sc, RT2860_EEPROM_BBP_BASE + i, &val); 1481 sc->bbp[i].val = val & 0xff; 1482 sc->bbp[i].reg = val >> 8; 1483 DPRINTF("BBP%d=0x%02x\n", sc->bbp[i].reg, sc->bbp[i].val); 1484 } 1485 if (sc->mac_ver >= 0x3071) { 1486 /* read vendor RF settings */ 1487 for (i = 0; i < 10; i++) { 1488 run_srom_read(sc, RT3071_EEPROM_RF_BASE + i, &val); 1489 sc->rf[i].val = val & 0xff; 1490 sc->rf[i].reg = val >> 8; 1491 DPRINTF("RF%d=0x%02x\n", sc->rf[i].reg, 1492 sc->rf[i].val); 1493 } 1494 } 1495 1496 /* read RF frequency offset from EEPROM */ 1497 run_srom_read(sc, RT2860_EEPROM_FREQ_LEDS, &val); 1498 sc->freq = ((val & 0xff) != 0xff) ? val & 0xff : 0; 1499 DPRINTF("EEPROM freq offset %d\n", sc->freq & 0xff); 1500 1501 if (val >> 8 != 0xff) { 1502 /* read LEDs operating mode */ 1503 sc->leds = val >> 8; 1504 run_srom_read(sc, RT2860_EEPROM_LED1, &sc->led[0]); 1505 run_srom_read(sc, RT2860_EEPROM_LED2, &sc->led[1]); 1506 run_srom_read(sc, RT2860_EEPROM_LED3, &sc->led[2]); 1507 } else { 1508 /* broken EEPROM, use default settings */ 1509 sc->leds = 0x01; 1510 sc->led[0] = 0x5555; 1511 sc->led[1] = 0x2221; 1512 sc->led[2] = 0x5627; /* differs from RT2860 */ 1513 } 1514 DPRINTF("EEPROM LED mode=0x%02x, LEDs=0x%04x/0x%04x/0x%04x\n", 1515 sc->leds, sc->led[0], sc->led[1], sc->led[2]); 1516 1517 /* read RF information */ 1518 run_srom_read(sc, RT2860_EEPROM_ANTENNA, &val); 1519 if (val == 0xffff) { 1520 DPRINTF("invalid EEPROM antenna info, using default\n"); 1521 if (sc->mac_ver == 0x3572) { 1522 /* default to RF3052 2T2R */ 1523 sc->rf_rev = RT3070_RF_3052; 1524 sc->ntxchains = 2; 1525 sc->nrxchains = 2; 1526 } else if (sc->mac_ver >= 0x3070) { 1527 /* default to RF3020 1T1R */ 1528 sc->rf_rev = RT3070_RF_3020; 1529 sc->ntxchains = 1; 1530 sc->nrxchains = 1; 1531 } else { 1532 /* default to RF2820 1T2R */ 1533 sc->rf_rev = RT2860_RF_2820; 1534 sc->ntxchains = 1; 1535 sc->nrxchains = 2; 1536 } 1537 } else { 1538 sc->rf_rev = (val >> 8) & 0xf; 1539 sc->ntxchains = (val >> 4) & 0xf; 1540 sc->nrxchains = val & 0xf; 1541 } 1542 DPRINTF("EEPROM RF rev=0x%02x chains=%dT%dR\n", 1543 sc->rf_rev, sc->ntxchains, sc->nrxchains); 1544 1545 /* check if RF supports automatic Tx access gain control */ 1546 run_srom_read(sc, RT2860_EEPROM_CONFIG, &val); 1547 DPRINTF("EEPROM CFG 0x%04x\n", val); 1548 /* check if driver should patch the DAC issue */ 1549 if ((val >> 8) != 0xff) 1550 sc->patch_dac = (val >> 15) & 1; 1551 if ((val & 0xff) != 0xff) { 1552 sc->ext_5ghz_lna = (val >> 3) & 1; 1553 sc->ext_2ghz_lna = (val >> 2) & 1; 1554 /* check if RF supports automatic Tx access gain control */ 1555 sc->calib_2ghz = sc->calib_5ghz = (val >> 1) & 1; 1556 /* check if we have a hardware radio switch */ 1557 sc->rfswitch = val & 1; 1558 } 1559 1560 /* read power settings for 2GHz channels */ 1561 for (i = 0; i < 14; i += 2) { 1562 run_srom_read(sc, RT2860_EEPROM_PWR2GHZ_BASE1 + i / 2, &val); 1563 sc->txpow1[i + 0] = (int8_t)(val & 0xff); 1564 sc->txpow1[i + 1] = (int8_t)(val >> 8); 1565 1566 run_srom_read(sc, RT2860_EEPROM_PWR2GHZ_BASE2 + i / 2, &val); 1567 sc->txpow2[i + 0] = (int8_t)(val & 0xff); 1568 sc->txpow2[i + 1] = (int8_t)(val >> 8); 1569 } 1570 /* fix broken Tx power entries */ 1571 for (i = 0; i < 14; i++) { 1572 if (sc->txpow1[i] < 0 || sc->txpow1[i] > 31) 1573 sc->txpow1[i] = 5; 1574 if (sc->txpow2[i] < 0 || sc->txpow2[i] > 31) 1575 sc->txpow2[i] = 5; 1576 DPRINTF("chan %d: power1=%d, power2=%d\n", 1577 rt2860_rf2850[i].chan, sc->txpow1[i], sc->txpow2[i]); 1578 } 1579 /* read power settings for 5GHz channels */ 1580 for (i = 0; i < 40; i += 2) { 1581 run_srom_read(sc, RT2860_EEPROM_PWR5GHZ_BASE1 + i / 2, &val); 1582 sc->txpow1[i + 14] = (int8_t)(val & 0xff); 1583 sc->txpow1[i + 15] = (int8_t)(val >> 8); 1584 1585 run_srom_read(sc, RT2860_EEPROM_PWR5GHZ_BASE2 + i / 2, &val); 1586 sc->txpow2[i + 14] = (int8_t)(val & 0xff); 1587 sc->txpow2[i + 15] = (int8_t)(val >> 8); 1588 } 1589 /* fix broken Tx power entries */ 1590 for (i = 0; i < 40; i++) { 1591 if (sc->txpow1[14 + i] < -7 || sc->txpow1[14 + i] > 15) 1592 sc->txpow1[14 + i] = 5; 1593 if (sc->txpow2[14 + i] < -7 || sc->txpow2[14 + i] > 15) 1594 sc->txpow2[14 + i] = 5; 1595 DPRINTF("chan %d: power1=%d, power2=%d\n", 1596 rt2860_rf2850[14 + i].chan, sc->txpow1[14 + i], 1597 sc->txpow2[14 + i]); 1598 } 1599 1600 /* read Tx power compensation for each Tx rate */ 1601 run_srom_read(sc, RT2860_EEPROM_DELTAPWR, &val); 1602 delta_2ghz = delta_5ghz = 0; 1603 if ((val & 0xff) != 0xff && (val & 0x80)) { 1604 delta_2ghz = val & 0xf; 1605 if (!(val & 0x40)) /* negative number */ 1606 delta_2ghz = -delta_2ghz; 1607 } 1608 val >>= 8; 1609 if ((val & 0xff) != 0xff && (val & 0x80)) { 1610 delta_5ghz = val & 0xf; 1611 if (!(val & 0x40)) /* negative number */ 1612 delta_5ghz = -delta_5ghz; 1613 } 1614 DPRINTF("power compensation=%d (2GHz), %d (5GHz)\n", 1615 delta_2ghz, delta_5ghz); 1616 1617 for (ridx = 0; ridx < 5; ridx++) { 1618 uint32_t reg; 1619 1620 run_srom_read(sc, RT2860_EEPROM_RPWR + ridx * 2, &val); 1621 reg = val; 1622 run_srom_read(sc, RT2860_EEPROM_RPWR + ridx * 2 + 1, &val); 1623 reg |= (uint32_t)val << 16; 1624 1625 sc->txpow20mhz[ridx] = reg; 1626 sc->txpow40mhz_2ghz[ridx] = b4inc(reg, delta_2ghz); 1627 sc->txpow40mhz_5ghz[ridx] = b4inc(reg, delta_5ghz); 1628 1629 DPRINTF("ridx %d: power 20MHz=0x%08x, 40MHz/2GHz=0x%08x, " 1630 "40MHz/5GHz=0x%08x\n", ridx, sc->txpow20mhz[ridx], 1631 sc->txpow40mhz_2ghz[ridx], sc->txpow40mhz_5ghz[ridx]); 1632 } 1633 1634 /* read RSSI offsets and LNA gains from EEPROM */ 1635 run_srom_read(sc, RT2860_EEPROM_RSSI1_2GHZ, &val); 1636 sc->rssi_2ghz[0] = val & 0xff; /* Ant A */ 1637 sc->rssi_2ghz[1] = val >> 8; /* Ant B */ 1638 run_srom_read(sc, RT2860_EEPROM_RSSI2_2GHZ, &val); 1639 if (sc->mac_ver >= 0x3070) { 1640 /* 1641 * On RT3070 chips (limited to 2 Rx chains), this ROM 1642 * field contains the Tx mixer gain for the 2GHz band. 1643 */ 1644 if ((val & 0xff) != 0xff) 1645 sc->txmixgain_2ghz = val & 0x7; 1646 DPRINTF("tx mixer gain=%u (2GHz)\n", sc->txmixgain_2ghz); 1647 } else 1648 sc->rssi_2ghz[2] = val & 0xff; /* Ant C */ 1649 sc->lna[2] = val >> 8; /* channel group 2 */ 1650 1651 run_srom_read(sc, RT2860_EEPROM_RSSI1_5GHZ, &val); 1652 sc->rssi_5ghz[0] = val & 0xff; /* Ant A */ 1653 sc->rssi_5ghz[1] = val >> 8; /* Ant B */ 1654 run_srom_read(sc, RT2860_EEPROM_RSSI2_5GHZ, &val); 1655 if (sc->mac_ver == 0x3572) { 1656 /* 1657 * On RT3572 chips (limited to 2 Rx chains), this ROM 1658 * field contains the Tx mixer gain for the 5GHz band. 1659 */ 1660 if ((val & 0xff) != 0xff) 1661 sc->txmixgain_5ghz = val & 0x7; 1662 DPRINTF("tx mixer gain=%u (5GHz)\n", sc->txmixgain_5ghz); 1663 } else 1664 sc->rssi_5ghz[2] = val & 0xff; /* Ant C */ 1665 sc->lna[3] = val >> 8; /* channel group 3 */ 1666 1667 run_srom_read(sc, RT2860_EEPROM_LNA, &val); 1668 sc->lna[0] = val & 0xff; /* channel group 0 */ 1669 sc->lna[1] = val >> 8; /* channel group 1 */ 1670 1671 /* fix broken 5GHz LNA entries */ 1672 if (sc->lna[2] == 0 || sc->lna[2] == 0xff) { 1673 DPRINTF("invalid LNA for channel group %d\n", 2); 1674 sc->lna[2] = sc->lna[1]; 1675 } 1676 if (sc->lna[3] == 0 || sc->lna[3] == 0xff) { 1677 DPRINTF("invalid LNA for channel group %d\n", 3); 1678 sc->lna[3] = sc->lna[1]; 1679 } 1680 1681 /* fix broken RSSI offset entries */ 1682 for (ant = 0; ant < 3; ant++) { 1683 if (sc->rssi_2ghz[ant] < -10 || sc->rssi_2ghz[ant] > 10) { 1684 DPRINTF("invalid RSSI%d offset: %d (2GHz)\n", 1685 ant + 1, sc->rssi_2ghz[ant]); 1686 sc->rssi_2ghz[ant] = 0; 1687 } 1688 if (sc->rssi_5ghz[ant] < -10 || sc->rssi_5ghz[ant] > 10) { 1689 DPRINTF("invalid RSSI%d offset: %d (5GHz)\n", 1690 ant + 1, sc->rssi_5ghz[ant]); 1691 sc->rssi_5ghz[ant] = 0; 1692 } 1693 } 1694 return (0); 1695 } 1696 1697 static struct ieee80211_node * 1698 run_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 1699 { 1700 return malloc(sizeof (struct run_node), M_DEVBUF, M_NOWAIT | M_ZERO); 1701 } 1702 1703 static int 1704 run_media_change(struct ifnet *ifp) 1705 { 1706 struct ieee80211vap *vap = ifp->if_softc; 1707 struct ieee80211com *ic = vap->iv_ic; 1708 const struct ieee80211_txparam *tp; 1709 struct run_softc *sc = ic->ic_ifp->if_softc; 1710 uint8_t rate, ridx; 1711 int error; 1712 1713 RUN_LOCK(sc); 1714 1715 error = ieee80211_media_change(ifp); 1716 if (error != ENETRESET) { 1717 RUN_UNLOCK(sc); 1718 return (error); 1719 } 1720 1721 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 1722 if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) { 1723 struct ieee80211_node *ni; 1724 struct run_node *rn; 1725 1726 rate = ic->ic_sup_rates[ic->ic_curmode]. 1727 rs_rates[tp->ucastrate] & IEEE80211_RATE_VAL; 1728 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++) 1729 if (rt2860_rates[ridx].rate == rate) 1730 break; 1731 ni = ieee80211_ref_node(vap->iv_bss); 1732 rn = (struct run_node *)ni; 1733 rn->fix_ridx = ridx; 1734 DPRINTF("rate=%d, fix_ridx=%d\n", rate, rn->fix_ridx); 1735 ieee80211_free_node(ni); 1736 } 1737 1738 #if 0 1739 if ((ifp->if_flags & IFF_UP) && 1740 (ifp->if_drv_flags & IFF_DRV_RUNNING)){ 1741 run_init_locked(sc); 1742 } 1743 #endif 1744 1745 RUN_UNLOCK(sc); 1746 1747 return (0); 1748 } 1749 1750 static int 1751 run_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1752 { 1753 const struct ieee80211_txparam *tp; 1754 struct ieee80211com *ic = vap->iv_ic; 1755 struct run_softc *sc = ic->ic_ifp->if_softc; 1756 struct run_vap *rvp = RUN_VAP(vap); 1757 enum ieee80211_state ostate; 1758 uint32_t sta[3]; 1759 uint32_t tmp; 1760 uint8_t ratectl; 1761 uint8_t restart_ratectl = 0; 1762 uint8_t bid = 1 << rvp->rvp_id; 1763 1764 ostate = vap->iv_state; 1765 DPRINTF("%s -> %s\n", 1766 ieee80211_state_name[ostate], 1767 ieee80211_state_name[nstate]); 1768 1769 IEEE80211_UNLOCK(ic); 1770 RUN_LOCK(sc); 1771 1772 ratectl = sc->ratectl_run; /* remember current state */ 1773 sc->ratectl_run = RUN_RATECTL_OFF; 1774 usb_callout_stop(&sc->ratectl_ch); 1775 1776 if (ostate == IEEE80211_S_RUN) { 1777 /* turn link LED off */ 1778 run_set_leds(sc, RT2860_LED_RADIO); 1779 } 1780 1781 switch (nstate) { 1782 case IEEE80211_S_INIT: 1783 restart_ratectl = 1; 1784 1785 if (ostate != IEEE80211_S_RUN) 1786 break; 1787 1788 ratectl &= ~bid; 1789 sc->runbmap &= ~bid; 1790 1791 /* abort TSF synchronization if there is no vap running */ 1792 if (--sc->running == 0) { 1793 run_read(sc, RT2860_BCN_TIME_CFG, &tmp); 1794 run_write(sc, RT2860_BCN_TIME_CFG, 1795 tmp & ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN | 1796 RT2860_TBTT_TIMER_EN)); 1797 } 1798 break; 1799 1800 case IEEE80211_S_RUN: 1801 if (!(sc->runbmap & bid)) { 1802 if(sc->running++) 1803 restart_ratectl = 1; 1804 sc->runbmap |= bid; 1805 } 1806 1807 m_freem(rvp->beacon_mbuf); 1808 rvp->beacon_mbuf = NULL; 1809 1810 switch (vap->iv_opmode) { 1811 case IEEE80211_M_HOSTAP: 1812 case IEEE80211_M_MBSS: 1813 sc->ap_running |= bid; 1814 ic->ic_opmode = vap->iv_opmode; 1815 run_update_beacon_cb(vap); 1816 break; 1817 case IEEE80211_M_IBSS: 1818 sc->adhoc_running |= bid; 1819 if (!sc->ap_running) 1820 ic->ic_opmode = vap->iv_opmode; 1821 run_update_beacon_cb(vap); 1822 break; 1823 case IEEE80211_M_STA: 1824 sc->sta_running |= bid; 1825 if (!sc->ap_running && !sc->adhoc_running) 1826 ic->ic_opmode = vap->iv_opmode; 1827 1828 /* read statistic counters (clear on read) */ 1829 run_read_region_1(sc, RT2860_TX_STA_CNT0, 1830 (uint8_t *)sta, sizeof sta); 1831 1832 break; 1833 default: 1834 ic->ic_opmode = vap->iv_opmode; 1835 break; 1836 } 1837 1838 if (vap->iv_opmode != IEEE80211_M_MONITOR) { 1839 struct ieee80211_node *ni; 1840 1841 if (ic->ic_bsschan == IEEE80211_CHAN_ANYC) { 1842 RUN_UNLOCK(sc); 1843 IEEE80211_LOCK(ic); 1844 return (-1); 1845 } 1846 run_updateslot(ic->ic_ifp); 1847 run_enable_mrr(sc); 1848 run_set_txpreamble(sc); 1849 run_set_basicrates(sc); 1850 ni = ieee80211_ref_node(vap->iv_bss); 1851 IEEE80211_ADDR_COPY(sc->sc_bssid, ni->ni_bssid); 1852 run_set_bssid(sc, ni->ni_bssid); 1853 ieee80211_free_node(ni); 1854 run_enable_tsf_sync(sc); 1855 1856 /* enable automatic rate adaptation */ 1857 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 1858 if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) 1859 ratectl |= bid; 1860 } 1861 1862 /* turn link LED on */ 1863 run_set_leds(sc, RT2860_LED_RADIO | 1864 (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan) ? 1865 RT2860_LED_LINK_2GHZ : RT2860_LED_LINK_5GHZ)); 1866 1867 break; 1868 default: 1869 DPRINTFN(6, "undefined case\n"); 1870 break; 1871 } 1872 1873 /* restart amrr for running VAPs */ 1874 if ((sc->ratectl_run = ratectl) && restart_ratectl) 1875 usb_callout_reset(&sc->ratectl_ch, hz, run_ratectl_to, sc); 1876 1877 RUN_UNLOCK(sc); 1878 IEEE80211_LOCK(ic); 1879 1880 return(rvp->newstate(vap, nstate, arg)); 1881 } 1882 1883 /* ARGSUSED */ 1884 static void 1885 run_wme_update_cb(void *arg) 1886 { 1887 struct ieee80211com *ic = arg; 1888 struct run_softc *sc = ic->ic_ifp->if_softc; 1889 struct ieee80211_wme_state *wmesp = &ic->ic_wme; 1890 int aci, error = 0; 1891 1892 RUN_LOCK_ASSERT(sc, MA_OWNED); 1893 1894 /* update MAC TX configuration registers */ 1895 for (aci = 0; aci < WME_NUM_AC; aci++) { 1896 error = run_write(sc, RT2860_EDCA_AC_CFG(aci), 1897 wmesp->wme_params[aci].wmep_logcwmax << 16 | 1898 wmesp->wme_params[aci].wmep_logcwmin << 12 | 1899 wmesp->wme_params[aci].wmep_aifsn << 8 | 1900 wmesp->wme_params[aci].wmep_txopLimit); 1901 if (error) goto err; 1902 } 1903 1904 /* update SCH/DMA registers too */ 1905 error = run_write(sc, RT2860_WMM_AIFSN_CFG, 1906 wmesp->wme_params[WME_AC_VO].wmep_aifsn << 12 | 1907 wmesp->wme_params[WME_AC_VI].wmep_aifsn << 8 | 1908 wmesp->wme_params[WME_AC_BK].wmep_aifsn << 4 | 1909 wmesp->wme_params[WME_AC_BE].wmep_aifsn); 1910 if (error) goto err; 1911 error = run_write(sc, RT2860_WMM_CWMIN_CFG, 1912 wmesp->wme_params[WME_AC_VO].wmep_logcwmin << 12 | 1913 wmesp->wme_params[WME_AC_VI].wmep_logcwmin << 8 | 1914 wmesp->wme_params[WME_AC_BK].wmep_logcwmin << 4 | 1915 wmesp->wme_params[WME_AC_BE].wmep_logcwmin); 1916 if (error) goto err; 1917 error = run_write(sc, RT2860_WMM_CWMAX_CFG, 1918 wmesp->wme_params[WME_AC_VO].wmep_logcwmax << 12 | 1919 wmesp->wme_params[WME_AC_VI].wmep_logcwmax << 8 | 1920 wmesp->wme_params[WME_AC_BK].wmep_logcwmax << 4 | 1921 wmesp->wme_params[WME_AC_BE].wmep_logcwmax); 1922 if (error) goto err; 1923 error = run_write(sc, RT2860_WMM_TXOP0_CFG, 1924 wmesp->wme_params[WME_AC_BK].wmep_txopLimit << 16 | 1925 wmesp->wme_params[WME_AC_BE].wmep_txopLimit); 1926 if (error) goto err; 1927 error = run_write(sc, RT2860_WMM_TXOP1_CFG, 1928 wmesp->wme_params[WME_AC_VO].wmep_txopLimit << 16 | 1929 wmesp->wme_params[WME_AC_VI].wmep_txopLimit); 1930 1931 err: 1932 if (error) 1933 DPRINTF("WME update failed\n"); 1934 1935 return; 1936 } 1937 1938 static int 1939 run_wme_update(struct ieee80211com *ic) 1940 { 1941 struct run_softc *sc = ic->ic_ifp->if_softc; 1942 1943 /* sometime called wothout lock */ 1944 if (mtx_owned(&ic->ic_comlock.mtx)) { 1945 uint32_t i = RUN_CMDQ_GET(&sc->cmdq_store); 1946 DPRINTF("cmdq_store=%d\n", i); 1947 sc->cmdq[i].func = run_wme_update_cb; 1948 sc->cmdq[i].arg0 = ic; 1949 ieee80211_runtask(ic, &sc->cmdq_task); 1950 return (0); 1951 } 1952 1953 RUN_LOCK(sc); 1954 run_wme_update_cb(ic); 1955 RUN_UNLOCK(sc); 1956 1957 /* return whatever, upper layer desn't care anyway */ 1958 return (0); 1959 } 1960 1961 static void 1962 run_key_update_begin(struct ieee80211vap *vap) 1963 { 1964 /* 1965 * To avoid out-of-order events, both run_key_set() and 1966 * _delete() are deferred and handled by run_cmdq_cb(). 1967 * So, there is nothing we need to do here. 1968 */ 1969 } 1970 1971 static void 1972 run_key_update_end(struct ieee80211vap *vap) 1973 { 1974 /* null */ 1975 } 1976 1977 static void 1978 run_key_set_cb(void *arg) 1979 { 1980 struct run_cmdq *cmdq = arg; 1981 struct ieee80211vap *vap = cmdq->arg1; 1982 struct ieee80211_key *k = cmdq->k; 1983 struct ieee80211com *ic = vap->iv_ic; 1984 struct run_softc *sc = ic->ic_ifp->if_softc; 1985 struct ieee80211_node *ni; 1986 uint32_t attr; 1987 uint16_t base, associd; 1988 uint8_t mode, wcid, iv[8]; 1989 1990 RUN_LOCK_ASSERT(sc, MA_OWNED); 1991 1992 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1993 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, cmdq->mac); 1994 else 1995 ni = vap->iv_bss; 1996 associd = (ni != NULL) ? ni->ni_associd : 0; 1997 1998 /* map net80211 cipher to RT2860 security mode */ 1999 switch (k->wk_cipher->ic_cipher) { 2000 case IEEE80211_CIPHER_WEP: 2001 if(k->wk_keylen < 8) 2002 mode = RT2860_MODE_WEP40; 2003 else 2004 mode = RT2860_MODE_WEP104; 2005 break; 2006 case IEEE80211_CIPHER_TKIP: 2007 mode = RT2860_MODE_TKIP; 2008 break; 2009 case IEEE80211_CIPHER_AES_CCM: 2010 mode = RT2860_MODE_AES_CCMP; 2011 break; 2012 default: 2013 DPRINTF("undefined case\n"); 2014 return; 2015 } 2016 2017 DPRINTFN(1, "associd=%x, keyix=%d, mode=%x, type=%s, tx=%s, rx=%s\n", 2018 associd, k->wk_keyix, mode, 2019 (k->wk_flags & IEEE80211_KEY_GROUP) ? "group" : "pairwise", 2020 (k->wk_flags & IEEE80211_KEY_XMIT) ? "on" : "off", 2021 (k->wk_flags & IEEE80211_KEY_RECV) ? "on" : "off"); 2022 2023 if (k->wk_flags & IEEE80211_KEY_GROUP) { 2024 wcid = 0; /* NB: update WCID0 for group keys */ 2025 base = RT2860_SKEY(RUN_VAP(vap)->rvp_id, k->wk_keyix); 2026 } else { 2027 wcid = (vap->iv_opmode == IEEE80211_M_STA) ? 2028 1 : RUN_AID2WCID(associd); 2029 base = RT2860_PKEY(wcid); 2030 } 2031 2032 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) { 2033 if(run_write_region_1(sc, base, k->wk_key, 16)) 2034 return; 2035 if(run_write_region_1(sc, base + 16, &k->wk_key[16], 8)) /* wk_txmic */ 2036 return; 2037 if(run_write_region_1(sc, base + 24, &k->wk_key[24], 8)) /* wk_rxmic */ 2038 return; 2039 } else { 2040 /* roundup len to 16-bit: XXX fix write_region_1() instead */ 2041 if(run_write_region_1(sc, base, k->wk_key, (k->wk_keylen + 1) & ~1)) 2042 return; 2043 } 2044 2045 if (!(k->wk_flags & IEEE80211_KEY_GROUP) || 2046 (k->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))) { 2047 /* set initial packet number in IV+EIV */ 2048 if (k->wk_cipher == IEEE80211_CIPHER_WEP) { 2049 memset(iv, 0, sizeof iv); 2050 iv[3] = vap->iv_def_txkey << 6; 2051 } else { 2052 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) { 2053 iv[0] = k->wk_keytsc >> 8; 2054 iv[1] = (iv[0] | 0x20) & 0x7f; 2055 iv[2] = k->wk_keytsc; 2056 } else /* CCMP */ { 2057 iv[0] = k->wk_keytsc; 2058 iv[1] = k->wk_keytsc >> 8; 2059 iv[2] = 0; 2060 } 2061 iv[3] = k->wk_keyix << 6 | IEEE80211_WEP_EXTIV; 2062 iv[4] = k->wk_keytsc >> 16; 2063 iv[5] = k->wk_keytsc >> 24; 2064 iv[6] = k->wk_keytsc >> 32; 2065 iv[7] = k->wk_keytsc >> 40; 2066 } 2067 if (run_write_region_1(sc, RT2860_IVEIV(wcid), iv, 8)) 2068 return; 2069 } 2070 2071 if (k->wk_flags & IEEE80211_KEY_GROUP) { 2072 /* install group key */ 2073 if (run_read(sc, RT2860_SKEY_MODE_0_7, &attr)) 2074 return; 2075 attr &= ~(0xf << (k->wk_keyix * 4)); 2076 attr |= mode << (k->wk_keyix * 4); 2077 if (run_write(sc, RT2860_SKEY_MODE_0_7, attr)) 2078 return; 2079 } else { 2080 /* install pairwise key */ 2081 if (run_read(sc, RT2860_WCID_ATTR(wcid), &attr)) 2082 return; 2083 attr = (attr & ~0xf) | (mode << 1) | RT2860_RX_PKEY_EN; 2084 if (run_write(sc, RT2860_WCID_ATTR(wcid), attr)) 2085 return; 2086 } 2087 2088 /* TODO create a pass-thru key entry? */ 2089 2090 /* need wcid to delete the right key later */ 2091 k->wk_pad = wcid; 2092 } 2093 2094 /* 2095 * Don't have to be deferred, but in order to keep order of 2096 * execution, i.e. with run_key_delete(), defer this and let 2097 * run_cmdq_cb() maintain the order. 2098 * 2099 * return 0 on error 2100 */ 2101 static int 2102 run_key_set(struct ieee80211vap *vap, struct ieee80211_key *k, 2103 const uint8_t mac[IEEE80211_ADDR_LEN]) 2104 { 2105 struct ieee80211com *ic = vap->iv_ic; 2106 struct run_softc *sc = ic->ic_ifp->if_softc; 2107 uint32_t i; 2108 2109 i = RUN_CMDQ_GET(&sc->cmdq_store); 2110 DPRINTF("cmdq_store=%d\n", i); 2111 sc->cmdq[i].func = run_key_set_cb; 2112 sc->cmdq[i].arg0 = NULL; 2113 sc->cmdq[i].arg1 = vap; 2114 sc->cmdq[i].k = k; 2115 IEEE80211_ADDR_COPY(sc->cmdq[i].mac, mac); 2116 ieee80211_runtask(ic, &sc->cmdq_task); 2117 2118 /* 2119 * To make sure key will be set when hostapd 2120 * calls iv_key_set() before if_init(). 2121 */ 2122 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 2123 RUN_LOCK(sc); 2124 sc->cmdq_key_set = RUN_CMDQ_GO; 2125 RUN_UNLOCK(sc); 2126 } 2127 2128 return (1); 2129 } 2130 2131 /* 2132 * If wlan is destroyed without being brought down i.e. without 2133 * wlan down or wpa_cli terminate, this function is called after 2134 * vap is gone. Don't refer it. 2135 */ 2136 static void 2137 run_key_delete_cb(void *arg) 2138 { 2139 struct run_cmdq *cmdq = arg; 2140 struct run_softc *sc = cmdq->arg1; 2141 struct ieee80211_key *k = &cmdq->key; 2142 uint32_t attr; 2143 uint8_t wcid; 2144 2145 RUN_LOCK_ASSERT(sc, MA_OWNED); 2146 2147 if (k->wk_flags & IEEE80211_KEY_GROUP) { 2148 /* remove group key */ 2149 DPRINTF("removing group key\n"); 2150 run_read(sc, RT2860_SKEY_MODE_0_7, &attr); 2151 attr &= ~(0xf << (k->wk_keyix * 4)); 2152 run_write(sc, RT2860_SKEY_MODE_0_7, attr); 2153 } else { 2154 /* remove pairwise key */ 2155 DPRINTF("removing key for wcid %x\n", k->wk_pad); 2156 /* matching wcid was written to wk_pad in run_key_set() */ 2157 wcid = k->wk_pad; 2158 run_read(sc, RT2860_WCID_ATTR(wcid), &attr); 2159 attr &= ~0xf; 2160 run_write(sc, RT2860_WCID_ATTR(wcid), attr); 2161 run_set_region_4(sc, RT2860_WCID_ENTRY(wcid), 0, 8); 2162 } 2163 2164 k->wk_pad = 0; 2165 } 2166 2167 /* 2168 * return 0 on error 2169 */ 2170 static int 2171 run_key_delete(struct ieee80211vap *vap, struct ieee80211_key *k) 2172 { 2173 struct ieee80211com *ic = vap->iv_ic; 2174 struct run_softc *sc = ic->ic_ifp->if_softc; 2175 struct ieee80211_key *k0; 2176 uint32_t i; 2177 2178 /* 2179 * When called back, key might be gone. So, make a copy 2180 * of some values need to delete keys before deferring. 2181 * But, because of LOR with node lock, cannot use lock here. 2182 * So, use atomic instead. 2183 */ 2184 i = RUN_CMDQ_GET(&sc->cmdq_store); 2185 DPRINTF("cmdq_store=%d\n", i); 2186 sc->cmdq[i].func = run_key_delete_cb; 2187 sc->cmdq[i].arg0 = NULL; 2188 sc->cmdq[i].arg1 = sc; 2189 k0 = &sc->cmdq[i].key; 2190 k0->wk_flags = k->wk_flags; 2191 k0->wk_keyix = k->wk_keyix; 2192 /* matching wcid was written to wk_pad in run_key_set() */ 2193 k0->wk_pad = k->wk_pad; 2194 ieee80211_runtask(ic, &sc->cmdq_task); 2195 return (1); /* return fake success */ 2196 2197 } 2198 2199 static void 2200 run_ratectl_to(void *arg) 2201 { 2202 struct run_softc *sc = arg; 2203 2204 /* do it in a process context, so it can go sleep */ 2205 ieee80211_runtask(sc->sc_ifp->if_l2com, &sc->ratectl_task); 2206 /* next timeout will be rescheduled in the callback task */ 2207 } 2208 2209 /* ARGSUSED */ 2210 static void 2211 run_ratectl_cb(void *arg, int pending) 2212 { 2213 struct run_softc *sc = arg; 2214 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 2215 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2216 2217 if (vap == NULL) 2218 return; 2219 2220 if (sc->rvp_cnt <= 1 && vap->iv_opmode == IEEE80211_M_STA) 2221 run_iter_func(sc, vap->iv_bss); 2222 else { 2223 /* 2224 * run_reset_livelock() doesn't do anything with AMRR, 2225 * but Ralink wants us to call it every 1 sec. So, we 2226 * piggyback here rather than creating another callout. 2227 * Livelock may occur only in HOSTAP or IBSS mode 2228 * (when h/w is sending beacons). 2229 */ 2230 RUN_LOCK(sc); 2231 run_reset_livelock(sc); 2232 /* just in case, there are some stats to drain */ 2233 run_drain_fifo(sc); 2234 RUN_UNLOCK(sc); 2235 ieee80211_iterate_nodes(&ic->ic_sta, run_iter_func, sc); 2236 } 2237 2238 if(sc->ratectl_run != RUN_RATECTL_OFF) 2239 usb_callout_reset(&sc->ratectl_ch, hz, run_ratectl_to, sc); 2240 } 2241 2242 static void 2243 run_drain_fifo(void *arg) 2244 { 2245 struct run_softc *sc = arg; 2246 struct ifnet *ifp = sc->sc_ifp; 2247 uint32_t stat; 2248 uint16_t (*wstat)[3]; 2249 uint8_t wcid, mcs, pid; 2250 int8_t retry; 2251 2252 RUN_LOCK_ASSERT(sc, MA_OWNED); 2253 2254 for (;;) { 2255 /* drain Tx status FIFO (maxsize = 16) */ 2256 run_read(sc, RT2860_TX_STAT_FIFO, &stat); 2257 DPRINTFN(4, "tx stat 0x%08x\n", stat); 2258 if (!(stat & RT2860_TXQ_VLD)) 2259 break; 2260 2261 wcid = (stat >> RT2860_TXQ_WCID_SHIFT) & 0xff; 2262 2263 /* if no ACK was requested, no feedback is available */ 2264 if (!(stat & RT2860_TXQ_ACKREQ) || wcid > RT2870_WCID_MAX || 2265 wcid == 0) 2266 continue; 2267 2268 /* 2269 * Even though each stat is Tx-complete-status like format, 2270 * the device can poll stats. Because there is no guarantee 2271 * that the referring node is still around when read the stats. 2272 * So that, if we use ieee80211_ratectl_tx_update(), we will 2273 * have hard time not to refer already freed node. 2274 * 2275 * To eliminate such page faults, we poll stats in softc. 2276 * Then, update the rates later with ieee80211_ratectl_tx_update(). 2277 */ 2278 wstat = &(sc->wcid_stats[wcid]); 2279 (*wstat)[RUN_TXCNT]++; 2280 if (stat & RT2860_TXQ_OK) 2281 (*wstat)[RUN_SUCCESS]++; 2282 else 2283 ifp->if_oerrors++; 2284 /* 2285 * Check if there were retries, ie if the Tx success rate is 2286 * different from the requested rate. Note that it works only 2287 * because we do not allow rate fallback from OFDM to CCK. 2288 */ 2289 mcs = (stat >> RT2860_TXQ_MCS_SHIFT) & 0x7f; 2290 pid = (stat >> RT2860_TXQ_PID_SHIFT) & 0xf; 2291 if ((retry = pid -1 - mcs) > 0) { 2292 (*wstat)[RUN_TXCNT] += retry; 2293 (*wstat)[RUN_RETRY] += retry; 2294 } 2295 } 2296 DPRINTFN(3, "count=%d\n", sc->fifo_cnt); 2297 2298 sc->fifo_cnt = 0; 2299 } 2300 2301 static void 2302 run_iter_func(void *arg, struct ieee80211_node *ni) 2303 { 2304 struct run_softc *sc = arg; 2305 struct ieee80211vap *vap = ni->ni_vap; 2306 struct ieee80211com *ic = ni->ni_ic; 2307 struct ifnet *ifp = ic->ic_ifp; 2308 struct run_node *rn = (void *)ni; 2309 union run_stats sta[2]; 2310 uint16_t (*wstat)[3]; 2311 int txcnt, success, retrycnt, error; 2312 2313 RUN_LOCK(sc); 2314 2315 if (sc->rvp_cnt <= 1 && (vap->iv_opmode == IEEE80211_M_IBSS || 2316 vap->iv_opmode == IEEE80211_M_STA)) { 2317 /* read statistic counters (clear on read) and update AMRR state */ 2318 error = run_read_region_1(sc, RT2860_TX_STA_CNT0, (uint8_t *)sta, 2319 sizeof sta); 2320 if (error != 0) 2321 goto fail; 2322 2323 /* count failed TX as errors */ 2324 ifp->if_oerrors += le16toh(sta[0].error.fail); 2325 2326 retrycnt = le16toh(sta[1].tx.retry); 2327 success = le16toh(sta[1].tx.success); 2328 txcnt = retrycnt + success + le16toh(sta[0].error.fail); 2329 2330 DPRINTFN(3, "retrycnt=%d success=%d failcnt=%d\n", 2331 retrycnt, success, le16toh(sta[0].error.fail)); 2332 } else { 2333 wstat = &(sc->wcid_stats[RUN_AID2WCID(ni->ni_associd)]); 2334 2335 if (wstat == &(sc->wcid_stats[0]) || 2336 wstat > &(sc->wcid_stats[RT2870_WCID_MAX])) 2337 goto fail; 2338 2339 txcnt = (*wstat)[RUN_TXCNT]; 2340 success = (*wstat)[RUN_SUCCESS]; 2341 retrycnt = (*wstat)[RUN_RETRY]; 2342 DPRINTFN(3, "retrycnt=%d txcnt=%d success=%d\n", 2343 retrycnt, txcnt, success); 2344 2345 memset(wstat, 0, sizeof(*wstat)); 2346 } 2347 2348 ieee80211_ratectl_tx_update(vap, ni, &txcnt, &success, &retrycnt); 2349 rn->amrr_ridx = ieee80211_ratectl_rate(ni, NULL, 0); 2350 2351 fail: 2352 RUN_UNLOCK(sc); 2353 2354 DPRINTFN(3, "ridx=%d\n", rn->amrr_ridx); 2355 } 2356 2357 static void 2358 run_newassoc_cb(void *arg) 2359 { 2360 struct run_cmdq *cmdq = arg; 2361 struct ieee80211_node *ni = cmdq->arg1; 2362 struct run_softc *sc = ni->ni_vap->iv_ic->ic_ifp->if_softc; 2363 uint8_t wcid = cmdq->wcid; 2364 2365 RUN_LOCK_ASSERT(sc, MA_OWNED); 2366 2367 run_write_region_1(sc, RT2860_WCID_ENTRY(wcid), 2368 ni->ni_macaddr, IEEE80211_ADDR_LEN); 2369 2370 memset(&(sc->wcid_stats[wcid]), 0, sizeof(sc->wcid_stats[wcid])); 2371 } 2372 2373 static void 2374 run_newassoc(struct ieee80211_node *ni, int isnew) 2375 { 2376 struct run_node *rn = (void *)ni; 2377 struct ieee80211_rateset *rs = &ni->ni_rates; 2378 struct ieee80211vap *vap = ni->ni_vap; 2379 struct ieee80211com *ic = vap->iv_ic; 2380 struct run_softc *sc = ic->ic_ifp->if_softc; 2381 uint8_t rate; 2382 uint8_t ridx; 2383 uint8_t wcid; 2384 int i, j; 2385 2386 wcid = (vap->iv_opmode == IEEE80211_M_STA) ? 2387 1 : RUN_AID2WCID(ni->ni_associd); 2388 2389 if (wcid > RT2870_WCID_MAX) { 2390 device_printf(sc->sc_dev, "wcid=%d out of range\n", wcid); 2391 return; 2392 } 2393 2394 /* only interested in true associations */ 2395 if (isnew && ni->ni_associd != 0) { 2396 2397 /* 2398 * This function could is called though timeout function. 2399 * Need to defer. 2400 */ 2401 uint32_t cnt = RUN_CMDQ_GET(&sc->cmdq_store); 2402 DPRINTF("cmdq_store=%d\n", cnt); 2403 sc->cmdq[cnt].func = run_newassoc_cb; 2404 sc->cmdq[cnt].arg0 = NULL; 2405 sc->cmdq[cnt].arg1 = ni; 2406 sc->cmdq[cnt].wcid = wcid; 2407 ieee80211_runtask(ic, &sc->cmdq_task); 2408 } 2409 2410 DPRINTF("new assoc isnew=%d associd=%x addr=%s\n", 2411 isnew, ni->ni_associd, ether_sprintf(ni->ni_macaddr)); 2412 2413 for (i = 0; i < rs->rs_nrates; i++) { 2414 rate = rs->rs_rates[i] & IEEE80211_RATE_VAL; 2415 /* convert 802.11 rate to hardware rate index */ 2416 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++) 2417 if (rt2860_rates[ridx].rate == rate) 2418 break; 2419 rn->ridx[i] = ridx; 2420 /* determine rate of control response frames */ 2421 for (j = i; j >= 0; j--) { 2422 if ((rs->rs_rates[j] & IEEE80211_RATE_BASIC) && 2423 rt2860_rates[rn->ridx[i]].phy == 2424 rt2860_rates[rn->ridx[j]].phy) 2425 break; 2426 } 2427 if (j >= 0) { 2428 rn->ctl_ridx[i] = rn->ridx[j]; 2429 } else { 2430 /* no basic rate found, use mandatory one */ 2431 rn->ctl_ridx[i] = rt2860_rates[ridx].ctl_ridx; 2432 } 2433 DPRINTF("rate=0x%02x ridx=%d ctl_ridx=%d\n", 2434 rs->rs_rates[i], rn->ridx[i], rn->ctl_ridx[i]); 2435 } 2436 rate = vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)].mgmtrate; 2437 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++) 2438 if (rt2860_rates[ridx].rate == rate) 2439 break; 2440 rn->mgt_ridx = ridx; 2441 DPRINTF("rate=%d, mgmt_ridx=%d\n", rate, rn->mgt_ridx); 2442 2443 usb_callout_reset(&sc->ratectl_ch, hz, run_ratectl_to, sc); 2444 } 2445 2446 /* 2447 * Return the Rx chain with the highest RSSI for a given frame. 2448 */ 2449 static __inline uint8_t 2450 run_maxrssi_chain(struct run_softc *sc, const struct rt2860_rxwi *rxwi) 2451 { 2452 uint8_t rxchain = 0; 2453 2454 if (sc->nrxchains > 1) { 2455 if (rxwi->rssi[1] > rxwi->rssi[rxchain]) 2456 rxchain = 1; 2457 if (sc->nrxchains > 2) 2458 if (rxwi->rssi[2] > rxwi->rssi[rxchain]) 2459 rxchain = 2; 2460 } 2461 return (rxchain); 2462 } 2463 2464 static void 2465 run_rx_frame(struct run_softc *sc, struct mbuf *m, uint32_t dmalen) 2466 { 2467 struct ifnet *ifp = sc->sc_ifp; 2468 struct ieee80211com *ic = ifp->if_l2com; 2469 struct ieee80211_frame *wh; 2470 struct ieee80211_node *ni; 2471 struct rt2870_rxd *rxd; 2472 struct rt2860_rxwi *rxwi; 2473 uint32_t flags; 2474 uint16_t len, phy; 2475 uint8_t ant, rssi; 2476 int8_t nf; 2477 2478 rxwi = mtod(m, struct rt2860_rxwi *); 2479 len = le16toh(rxwi->len) & 0xfff; 2480 if (__predict_false(len > dmalen)) { 2481 m_freem(m); 2482 ifp->if_ierrors++; 2483 DPRINTF("bad RXWI length %u > %u\n", len, dmalen); 2484 return; 2485 } 2486 /* Rx descriptor is located at the end */ 2487 rxd = (struct rt2870_rxd *)(mtod(m, caddr_t) + dmalen); 2488 flags = le32toh(rxd->flags); 2489 2490 if (__predict_false(flags & (RT2860_RX_CRCERR | RT2860_RX_ICVERR))) { 2491 m_freem(m); 2492 ifp->if_ierrors++; 2493 DPRINTF("%s error.\n", (flags & RT2860_RX_CRCERR)?"CRC":"ICV"); 2494 return; 2495 } 2496 2497 m->m_data += sizeof(struct rt2860_rxwi); 2498 m->m_pkthdr.len = m->m_len -= sizeof(struct rt2860_rxwi); 2499 2500 wh = mtod(m, struct ieee80211_frame *); 2501 2502 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2503 wh->i_fc[1] &= ~IEEE80211_FC1_WEP; 2504 m->m_flags |= M_WEP; 2505 } 2506 2507 if (flags & RT2860_RX_L2PAD) { 2508 DPRINTFN(8, "received RT2860_RX_L2PAD frame\n"); 2509 len += 2; 2510 } 2511 2512 ni = ieee80211_find_rxnode(ic, 2513 mtod(m, struct ieee80211_frame_min *)); 2514 2515 if (__predict_false(flags & RT2860_RX_MICERR)) { 2516 /* report MIC failures to net80211 for TKIP */ 2517 if (ni != NULL) 2518 ieee80211_notify_michael_failure(ni->ni_vap, wh, rxwi->keyidx); 2519 m_freem(m); 2520 ifp->if_ierrors++; 2521 DPRINTF("MIC error. Someone is lying.\n"); 2522 return; 2523 } 2524 2525 ant = run_maxrssi_chain(sc, rxwi); 2526 rssi = rxwi->rssi[ant]; 2527 nf = run_rssi2dbm(sc, rssi, ant); 2528 2529 m->m_pkthdr.rcvif = ifp; 2530 m->m_pkthdr.len = m->m_len = len; 2531 2532 if (ni != NULL) { 2533 (void)ieee80211_input(ni, m, rssi, nf); 2534 ieee80211_free_node(ni); 2535 } else { 2536 (void)ieee80211_input_all(ic, m, rssi, nf); 2537 } 2538 2539 if (__predict_false(ieee80211_radiotap_active(ic))) { 2540 struct run_rx_radiotap_header *tap = &sc->sc_rxtap; 2541 2542 tap->wr_flags = 0; 2543 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 2544 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 2545 tap->wr_antsignal = rssi; 2546 tap->wr_antenna = ant; 2547 tap->wr_dbm_antsignal = run_rssi2dbm(sc, rssi, ant); 2548 tap->wr_rate = 2; /* in case it can't be found below */ 2549 phy = le16toh(rxwi->phy); 2550 switch (phy & RT2860_PHY_MODE) { 2551 case RT2860_PHY_CCK: 2552 switch ((phy & RT2860_PHY_MCS) & ~RT2860_PHY_SHPRE) { 2553 case 0: tap->wr_rate = 2; break; 2554 case 1: tap->wr_rate = 4; break; 2555 case 2: tap->wr_rate = 11; break; 2556 case 3: tap->wr_rate = 22; break; 2557 } 2558 if (phy & RT2860_PHY_SHPRE) 2559 tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 2560 break; 2561 case RT2860_PHY_OFDM: 2562 switch (phy & RT2860_PHY_MCS) { 2563 case 0: tap->wr_rate = 12; break; 2564 case 1: tap->wr_rate = 18; break; 2565 case 2: tap->wr_rate = 24; break; 2566 case 3: tap->wr_rate = 36; break; 2567 case 4: tap->wr_rate = 48; break; 2568 case 5: tap->wr_rate = 72; break; 2569 case 6: tap->wr_rate = 96; break; 2570 case 7: tap->wr_rate = 108; break; 2571 } 2572 break; 2573 } 2574 } 2575 } 2576 2577 static void 2578 run_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error) 2579 { 2580 struct run_softc *sc = usbd_xfer_softc(xfer); 2581 struct ifnet *ifp = sc->sc_ifp; 2582 struct mbuf *m = NULL; 2583 struct mbuf *m0; 2584 uint32_t dmalen; 2585 int xferlen; 2586 2587 usbd_xfer_status(xfer, &xferlen, NULL, NULL, NULL); 2588 2589 switch (USB_GET_STATE(xfer)) { 2590 case USB_ST_TRANSFERRED: 2591 2592 DPRINTFN(15, "rx done, actlen=%d\n", xferlen); 2593 2594 if (xferlen < (int)(sizeof(uint32_t) + 2595 sizeof(struct rt2860_rxwi) + sizeof(struct rt2870_rxd))) { 2596 DPRINTF("xfer too short %d\n", xferlen); 2597 goto tr_setup; 2598 } 2599 2600 m = sc->rx_m; 2601 sc->rx_m = NULL; 2602 2603 /* FALLTHROUGH */ 2604 case USB_ST_SETUP: 2605 tr_setup: 2606 if (sc->rx_m == NULL) { 2607 sc->rx_m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, 2608 MJUMPAGESIZE /* xfer can be bigger than MCLBYTES */); 2609 } 2610 if (sc->rx_m == NULL) { 2611 DPRINTF("could not allocate mbuf - idle with stall\n"); 2612 ifp->if_ierrors++; 2613 usbd_xfer_set_stall(xfer); 2614 usbd_xfer_set_frames(xfer, 0); 2615 } else { 2616 /* 2617 * Directly loading a mbuf cluster into DMA to 2618 * save some data copying. This works because 2619 * there is only one cluster. 2620 */ 2621 usbd_xfer_set_frame_data(xfer, 0, 2622 mtod(sc->rx_m, caddr_t), RUN_MAX_RXSZ); 2623 usbd_xfer_set_frames(xfer, 1); 2624 } 2625 usbd_transfer_submit(xfer); 2626 break; 2627 2628 default: /* Error */ 2629 if (error != USB_ERR_CANCELLED) { 2630 /* try to clear stall first */ 2631 usbd_xfer_set_stall(xfer); 2632 2633 if (error == USB_ERR_TIMEOUT) 2634 device_printf(sc->sc_dev, "device timeout\n"); 2635 2636 ifp->if_ierrors++; 2637 2638 goto tr_setup; 2639 } 2640 if (sc->rx_m != NULL) { 2641 m_freem(sc->rx_m); 2642 sc->rx_m = NULL; 2643 } 2644 break; 2645 } 2646 2647 if (m == NULL) 2648 return; 2649 2650 /* inputting all the frames must be last */ 2651 2652 RUN_UNLOCK(sc); 2653 2654 m->m_pkthdr.len = m->m_len = xferlen; 2655 2656 /* HW can aggregate multiple 802.11 frames in a single USB xfer */ 2657 for(;;) { 2658 dmalen = le32toh(*mtod(m, uint32_t *)) & 0xffff; 2659 2660 if ((dmalen >= (uint32_t)-8) || (dmalen == 0) || 2661 ((dmalen & 3) != 0)) { 2662 DPRINTF("bad DMA length %u\n", dmalen); 2663 break; 2664 } 2665 if ((dmalen + 8) > (uint32_t)xferlen) { 2666 DPRINTF("bad DMA length %u > %d\n", 2667 dmalen + 8, xferlen); 2668 break; 2669 } 2670 2671 /* If it is the last one or a single frame, we won't copy. */ 2672 if ((xferlen -= dmalen + 8) <= 8) { 2673 /* trim 32-bit DMA-len header */ 2674 m->m_data += 4; 2675 m->m_pkthdr.len = m->m_len -= 4; 2676 run_rx_frame(sc, m, dmalen); 2677 break; 2678 } 2679 2680 /* copy aggregated frames to another mbuf */ 2681 m0 = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 2682 if (__predict_false(m0 == NULL)) { 2683 DPRINTF("could not allocate mbuf\n"); 2684 ifp->if_ierrors++; 2685 break; 2686 } 2687 m_copydata(m, 4 /* skip 32-bit DMA-len header */, 2688 dmalen + sizeof(struct rt2870_rxd), mtod(m0, caddr_t)); 2689 m0->m_pkthdr.len = m0->m_len = 2690 dmalen + sizeof(struct rt2870_rxd); 2691 run_rx_frame(sc, m0, dmalen); 2692 2693 /* update data ptr */ 2694 m->m_data += dmalen + 8; 2695 m->m_pkthdr.len = m->m_len -= dmalen + 8; 2696 } 2697 2698 RUN_LOCK(sc); 2699 } 2700 2701 static void 2702 run_tx_free(struct run_endpoint_queue *pq, 2703 struct run_tx_data *data, int txerr) 2704 { 2705 if (data->m != NULL) { 2706 if (data->m->m_flags & M_TXCB) 2707 ieee80211_process_callback(data->ni, data->m, 2708 txerr ? ETIMEDOUT : 0); 2709 m_freem(data->m); 2710 data->m = NULL; 2711 2712 if (data->ni == NULL) { 2713 DPRINTF("no node\n"); 2714 } else { 2715 ieee80211_free_node(data->ni); 2716 data->ni = NULL; 2717 } 2718 } 2719 2720 STAILQ_INSERT_TAIL(&pq->tx_fh, data, next); 2721 pq->tx_nfree++; 2722 } 2723 2724 static void 2725 run_bulk_tx_callbackN(struct usb_xfer *xfer, usb_error_t error, unsigned int index) 2726 { 2727 struct run_softc *sc = usbd_xfer_softc(xfer); 2728 struct ifnet *ifp = sc->sc_ifp; 2729 struct ieee80211com *ic = ifp->if_l2com; 2730 struct run_tx_data *data; 2731 struct ieee80211vap *vap = NULL; 2732 struct usb_page_cache *pc; 2733 struct run_endpoint_queue *pq = &sc->sc_epq[index]; 2734 struct mbuf *m; 2735 usb_frlength_t size; 2736 int actlen; 2737 int sumlen; 2738 2739 usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); 2740 2741 switch (USB_GET_STATE(xfer)) { 2742 case USB_ST_TRANSFERRED: 2743 DPRINTFN(11, "transfer complete: %d " 2744 "bytes @ index %d\n", actlen, index); 2745 2746 data = usbd_xfer_get_priv(xfer); 2747 2748 run_tx_free(pq, data, 0); 2749 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2750 2751 usbd_xfer_set_priv(xfer, NULL); 2752 2753 ifp->if_opackets++; 2754 2755 /* FALLTHROUGH */ 2756 case USB_ST_SETUP: 2757 tr_setup: 2758 data = STAILQ_FIRST(&pq->tx_qh); 2759 if (data == NULL) 2760 break; 2761 2762 STAILQ_REMOVE_HEAD(&pq->tx_qh, next); 2763 2764 m = data->m; 2765 if ((m->m_pkthdr.len + 2766 sizeof(data->desc) + 3 + 8) > RUN_MAX_TXSZ) { 2767 DPRINTF("data overflow, %u bytes\n", 2768 m->m_pkthdr.len); 2769 2770 ifp->if_oerrors++; 2771 2772 run_tx_free(pq, data, 1); 2773 2774 goto tr_setup; 2775 } 2776 2777 pc = usbd_xfer_get_frame(xfer, 0); 2778 size = sizeof(data->desc); 2779 usbd_copy_in(pc, 0, &data->desc, size); 2780 usbd_m_copy_in(pc, size, m, 0, m->m_pkthdr.len); 2781 size += m->m_pkthdr.len; 2782 /* 2783 * Align end on a 4-byte boundary, pad 8 bytes (CRC + 2784 * 4-byte padding), and be sure to zero those trailing 2785 * bytes: 2786 */ 2787 usbd_frame_zero(pc, size, ((-size) & 3) + 8); 2788 size += ((-size) & 3) + 8; 2789 2790 vap = data->ni->ni_vap; 2791 if (ieee80211_radiotap_active_vap(vap)) { 2792 struct run_tx_radiotap_header *tap = &sc->sc_txtap; 2793 struct rt2860_txwi *txwi = 2794 (struct rt2860_txwi *)(&data->desc + sizeof(struct rt2870_txd)); 2795 2796 tap->wt_flags = 0; 2797 tap->wt_rate = rt2860_rates[data->ridx].rate; 2798 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2799 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2800 tap->wt_hwqueue = index; 2801 if (le16toh(txwi->phy) & RT2860_PHY_SHPRE) 2802 tap->wt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 2803 2804 ieee80211_radiotap_tx(vap, m); 2805 } 2806 2807 DPRINTFN(11, "sending frame len=%u/%u @ index %d\n", 2808 m->m_pkthdr.len, size, index); 2809 2810 usbd_xfer_set_frame_len(xfer, 0, size); 2811 usbd_xfer_set_priv(xfer, data); 2812 2813 usbd_transfer_submit(xfer); 2814 2815 RUN_UNLOCK(sc); 2816 run_start(ifp); 2817 RUN_LOCK(sc); 2818 2819 break; 2820 2821 default: 2822 DPRINTF("USB transfer error, %s\n", 2823 usbd_errstr(error)); 2824 2825 data = usbd_xfer_get_priv(xfer); 2826 2827 ifp->if_oerrors++; 2828 2829 if (data != NULL) { 2830 if(data->ni != NULL) 2831 vap = data->ni->ni_vap; 2832 run_tx_free(pq, data, error); 2833 usbd_xfer_set_priv(xfer, NULL); 2834 } 2835 if (vap == NULL) 2836 vap = TAILQ_FIRST(&ic->ic_vaps); 2837 2838 if (error != USB_ERR_CANCELLED) { 2839 if (error == USB_ERR_TIMEOUT) { 2840 device_printf(sc->sc_dev, "device timeout\n"); 2841 uint32_t i = RUN_CMDQ_GET(&sc->cmdq_store); 2842 DPRINTF("cmdq_store=%d\n", i); 2843 sc->cmdq[i].func = run_usb_timeout_cb; 2844 sc->cmdq[i].arg0 = vap; 2845 ieee80211_runtask(ic, &sc->cmdq_task); 2846 } 2847 2848 /* 2849 * Try to clear stall first, also if other 2850 * errors occur, hence clearing stall 2851 * introduces a 50 ms delay: 2852 */ 2853 usbd_xfer_set_stall(xfer); 2854 goto tr_setup; 2855 } 2856 break; 2857 } 2858 } 2859 2860 static void 2861 run_bulk_tx_callback0(struct usb_xfer *xfer, usb_error_t error) 2862 { 2863 run_bulk_tx_callbackN(xfer, error, 0); 2864 } 2865 2866 static void 2867 run_bulk_tx_callback1(struct usb_xfer *xfer, usb_error_t error) 2868 { 2869 run_bulk_tx_callbackN(xfer, error, 1); 2870 } 2871 2872 static void 2873 run_bulk_tx_callback2(struct usb_xfer *xfer, usb_error_t error) 2874 { 2875 run_bulk_tx_callbackN(xfer, error, 2); 2876 } 2877 2878 static void 2879 run_bulk_tx_callback3(struct usb_xfer *xfer, usb_error_t error) 2880 { 2881 run_bulk_tx_callbackN(xfer, error, 3); 2882 } 2883 2884 static void 2885 run_bulk_tx_callback4(struct usb_xfer *xfer, usb_error_t error) 2886 { 2887 run_bulk_tx_callbackN(xfer, error, 4); 2888 } 2889 2890 static void 2891 run_bulk_tx_callback5(struct usb_xfer *xfer, usb_error_t error) 2892 { 2893 run_bulk_tx_callbackN(xfer, error, 5); 2894 } 2895 2896 static void 2897 run_set_tx_desc(struct run_softc *sc, struct run_tx_data *data) 2898 { 2899 struct mbuf *m = data->m; 2900 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 2901 struct ieee80211vap *vap = data->ni->ni_vap; 2902 struct ieee80211_frame *wh; 2903 struct rt2870_txd *txd; 2904 struct rt2860_txwi *txwi; 2905 uint16_t xferlen; 2906 uint16_t mcs; 2907 uint8_t ridx = data->ridx; 2908 uint8_t pad; 2909 2910 /* get MCS code from rate index */ 2911 mcs = rt2860_rates[ridx].mcs; 2912 2913 xferlen = sizeof(*txwi) + m->m_pkthdr.len; 2914 2915 /* roundup to 32-bit alignment */ 2916 xferlen = (xferlen + 3) & ~3; 2917 2918 txd = (struct rt2870_txd *)&data->desc; 2919 txd->len = htole16(xferlen); 2920 2921 wh = mtod(m, struct ieee80211_frame *); 2922 2923 /* 2924 * Ether both are true or both are false, the header 2925 * are nicely aligned to 32-bit. So, no L2 padding. 2926 */ 2927 if(IEEE80211_HAS_ADDR4(wh) == IEEE80211_QOS_HAS_SEQ(wh)) 2928 pad = 0; 2929 else 2930 pad = 2; 2931 2932 /* setup TX Wireless Information */ 2933 txwi = (struct rt2860_txwi *)(txd + 1); 2934 txwi->len = htole16(m->m_pkthdr.len - pad); 2935 if (rt2860_rates[ridx].phy == IEEE80211_T_DS) { 2936 txwi->phy = htole16(RT2860_PHY_CCK); 2937 if (ridx != RT2860_RIDX_CCK1 && 2938 (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2939 mcs |= RT2860_PHY_SHPRE; 2940 } else 2941 txwi->phy = htole16(RT2860_PHY_OFDM); 2942 txwi->phy |= htole16(mcs); 2943 2944 /* check if RTS/CTS or CTS-to-self protection is required */ 2945 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && 2946 (m->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold || 2947 ((ic->ic_flags & IEEE80211_F_USEPROT) && 2948 rt2860_rates[ridx].phy == IEEE80211_T_OFDM))) 2949 txwi->txop |= RT2860_TX_TXOP_HT; 2950 else 2951 txwi->txop |= RT2860_TX_TXOP_BACKOFF; 2952 2953 if (vap->iv_opmode != IEEE80211_M_STA && !IEEE80211_QOS_HAS_SEQ(wh)) 2954 txwi->xflags |= RT2860_TX_NSEQ; 2955 } 2956 2957 /* This function must be called locked */ 2958 static int 2959 run_tx(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2960 { 2961 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 2962 struct ieee80211vap *vap = ni->ni_vap; 2963 struct ieee80211_frame *wh; 2964 struct ieee80211_channel *chan; 2965 const struct ieee80211_txparam *tp; 2966 struct run_node *rn = (void *)ni; 2967 struct run_tx_data *data; 2968 struct rt2870_txd *txd; 2969 struct rt2860_txwi *txwi; 2970 uint16_t qos; 2971 uint16_t dur; 2972 uint16_t qid; 2973 uint8_t type; 2974 uint8_t tid; 2975 uint8_t ridx; 2976 uint8_t ctl_ridx; 2977 uint8_t qflags; 2978 uint8_t xflags = 0; 2979 int hasqos; 2980 2981 RUN_LOCK_ASSERT(sc, MA_OWNED); 2982 2983 wh = mtod(m, struct ieee80211_frame *); 2984 2985 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2986 2987 /* 2988 * There are 7 bulk endpoints: 1 for RX 2989 * and 6 for TX (4 EDCAs + HCCA + Prio). 2990 * Update 03-14-2009: some devices like the Planex GW-US300MiniS 2991 * seem to have only 4 TX bulk endpoints (Fukaumi Naoki). 2992 */ 2993 if ((hasqos = IEEE80211_QOS_HAS_SEQ(wh))) { 2994 uint8_t *frm; 2995 2996 if(IEEE80211_HAS_ADDR4(wh)) 2997 frm = ((struct ieee80211_qosframe_addr4 *)wh)->i_qos; 2998 else 2999 frm =((struct ieee80211_qosframe *)wh)->i_qos; 3000 3001 qos = le16toh(*(const uint16_t *)frm); 3002 tid = qos & IEEE80211_QOS_TID; 3003 qid = TID_TO_WME_AC(tid); 3004 } else { 3005 qos = 0; 3006 tid = 0; 3007 qid = WME_AC_BE; 3008 } 3009 qflags = (qid < 4) ? RT2860_TX_QSEL_EDCA : RT2860_TX_QSEL_HCCA; 3010 3011 DPRINTFN(8, "qos %d\tqid %d\ttid %d\tqflags %x\n", 3012 qos, qid, tid, qflags); 3013 3014 chan = (ni->ni_chan != IEEE80211_CHAN_ANYC)?ni->ni_chan:ic->ic_curchan; 3015 tp = &vap->iv_txparms[ieee80211_chan2mode(chan)]; 3016 3017 /* pickup a rate index */ 3018 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || 3019 type != IEEE80211_FC0_TYPE_DATA) { 3020 ridx = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3021 RT2860_RIDX_OFDM6 : RT2860_RIDX_CCK1; 3022 ctl_ridx = rt2860_rates[ridx].ctl_ridx; 3023 } else { 3024 if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 3025 ridx = rn->fix_ridx; 3026 else 3027 ridx = rn->amrr_ridx; 3028 ctl_ridx = rt2860_rates[ridx].ctl_ridx; 3029 } 3030 3031 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && 3032 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != 3033 IEEE80211_QOS_ACKPOLICY_NOACK)) { 3034 xflags |= RT2860_TX_ACK; 3035 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 3036 dur = rt2860_rates[ctl_ridx].sp_ack_dur; 3037 else 3038 dur = rt2860_rates[ctl_ridx].lp_ack_dur; 3039 *(uint16_t *)wh->i_dur = htole16(dur); 3040 } 3041 3042 /* reserve slots for mgmt packets, just in case */ 3043 if (sc->sc_epq[qid].tx_nfree < 3) { 3044 DPRINTFN(10, "tx ring %d is full\n", qid); 3045 return (-1); 3046 } 3047 3048 data = STAILQ_FIRST(&sc->sc_epq[qid].tx_fh); 3049 STAILQ_REMOVE_HEAD(&sc->sc_epq[qid].tx_fh, next); 3050 sc->sc_epq[qid].tx_nfree--; 3051 3052 txd = (struct rt2870_txd *)&data->desc; 3053 txd->flags = qflags; 3054 txwi = (struct rt2860_txwi *)(txd + 1); 3055 txwi->xflags = xflags; 3056 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) { 3057 txwi->wcid = 0; 3058 } else { 3059 txwi->wcid = (vap->iv_opmode == IEEE80211_M_STA) ? 3060 1 : RUN_AID2WCID(ni->ni_associd); 3061 } 3062 /* clear leftover garbage bits */ 3063 txwi->flags = 0; 3064 txwi->txop = 0; 3065 3066 data->m = m; 3067 data->ni = ni; 3068 data->ridx = ridx; 3069 3070 run_set_tx_desc(sc, data); 3071 3072 /* 3073 * The chip keeps track of 2 kind of Tx stats, 3074 * * TX_STAT_FIFO, for per WCID stats, and 3075 * * TX_STA_CNT0 for all-TX-in-one stats. 3076 * 3077 * To use FIFO stats, we need to store MCS into the driver-private 3078 * PacketID field. So that, we can tell whose stats when we read them. 3079 * We add 1 to the MCS because setting the PacketID field to 0 means 3080 * that we don't want feedback in TX_STAT_FIFO. 3081 * And, that's what we want for STA mode, since TX_STA_CNT0 does the job. 3082 * 3083 * FIFO stats doesn't count Tx with WCID 0xff, so we do this in run_tx(). 3084 */ 3085 if (sc->rvp_cnt > 1 || vap->iv_opmode == IEEE80211_M_HOSTAP || 3086 vap->iv_opmode == IEEE80211_M_MBSS) { 3087 uint16_t pid = (rt2860_rates[ridx].mcs + 1) & 0xf; 3088 txwi->len |= htole16(pid << RT2860_TX_PID_SHIFT); 3089 3090 /* 3091 * Unlike PCI based devices, we don't get any interrupt from 3092 * USB devices, so we simulate FIFO-is-full interrupt here. 3093 * Ralink recomends to drain FIFO stats every 100 ms, but 16 slots 3094 * quickly get fulled. To prevent overflow, increment a counter on 3095 * every FIFO stat request, so we know how many slots are left. 3096 * We do this only in HOSTAP or multiple vap mode since FIFO stats 3097 * are used only in those modes. 3098 * We just drain stats. AMRR gets updated every 1 sec by 3099 * run_ratectl_cb() via callout. 3100 * Call it early. Otherwise overflow. 3101 */ 3102 if (sc->fifo_cnt++ == 10) { 3103 /* 3104 * With multiple vaps or if_bridge, if_start() is called 3105 * with a non-sleepable lock, tcpinp. So, need to defer. 3106 */ 3107 uint32_t i = RUN_CMDQ_GET(&sc->cmdq_store); 3108 DPRINTFN(6, "cmdq_store=%d\n", i); 3109 sc->cmdq[i].func = run_drain_fifo; 3110 sc->cmdq[i].arg0 = sc; 3111 ieee80211_runtask(ic, &sc->cmdq_task); 3112 } 3113 } 3114 3115 STAILQ_INSERT_TAIL(&sc->sc_epq[qid].tx_qh, data, next); 3116 3117 usbd_transfer_start(sc->sc_xfer[qid]); 3118 3119 DPRINTFN(8, "sending data frame len=%d rate=%d qid=%d\n", m->m_pkthdr.len + 3120 (int)(sizeof (struct rt2870_txd) + sizeof (struct rt2860_rxwi)), 3121 rt2860_rates[ridx].rate, qid); 3122 3123 return (0); 3124 } 3125 3126 static int 3127 run_tx_mgt(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 3128 { 3129 struct ifnet *ifp = sc->sc_ifp; 3130 struct ieee80211com *ic = ifp->if_l2com; 3131 struct run_node *rn = (void *)ni; 3132 struct run_tx_data *data; 3133 struct ieee80211_frame *wh; 3134 struct rt2870_txd *txd; 3135 struct rt2860_txwi *txwi; 3136 uint16_t dur; 3137 uint8_t ridx = rn->mgt_ridx; 3138 uint8_t type; 3139 uint8_t xflags = 0; 3140 uint8_t wflags = 0; 3141 3142 RUN_LOCK_ASSERT(sc, MA_OWNED); 3143 3144 wh = mtod(m, struct ieee80211_frame *); 3145 3146 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 3147 3148 /* tell hardware to add timestamp for probe responses */ 3149 if ((wh->i_fc[0] & 3150 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 3151 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) 3152 wflags |= RT2860_TX_TS; 3153 else if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 3154 xflags |= RT2860_TX_ACK; 3155 3156 dur = ieee80211_ack_duration(ic->ic_rt, rt2860_rates[ridx].rate, 3157 ic->ic_flags & IEEE80211_F_SHPREAMBLE); 3158 *(uint16_t *)wh->i_dur = htole16(dur); 3159 } 3160 3161 if (sc->sc_epq[0].tx_nfree == 0) { 3162 /* let caller free mbuf */ 3163 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 3164 return (EIO); 3165 } 3166 data = STAILQ_FIRST(&sc->sc_epq[0].tx_fh); 3167 STAILQ_REMOVE_HEAD(&sc->sc_epq[0].tx_fh, next); 3168 sc->sc_epq[0].tx_nfree--; 3169 3170 txd = (struct rt2870_txd *)&data->desc; 3171 txd->flags = RT2860_TX_QSEL_EDCA; 3172 txwi = (struct rt2860_txwi *)(txd + 1); 3173 txwi->wcid = 0xff; 3174 txwi->flags = wflags; 3175 txwi->xflags = xflags; 3176 txwi->txop = 0; /* clear leftover garbage bits */ 3177 3178 data->m = m; 3179 data->ni = ni; 3180 data->ridx = ridx; 3181 3182 run_set_tx_desc(sc, data); 3183 3184 DPRINTFN(10, "sending mgt frame len=%d rate=%d\n", m->m_pkthdr.len + 3185 (int)(sizeof (struct rt2870_txd) + sizeof (struct rt2860_rxwi)), 3186 rt2860_rates[ridx].rate); 3187 3188 STAILQ_INSERT_TAIL(&sc->sc_epq[0].tx_qh, data, next); 3189 3190 usbd_transfer_start(sc->sc_xfer[0]); 3191 3192 return (0); 3193 } 3194 3195 static int 3196 run_sendprot(struct run_softc *sc, 3197 const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate) 3198 { 3199 struct ieee80211com *ic = ni->ni_ic; 3200 struct ieee80211_frame *wh; 3201 struct run_tx_data *data; 3202 struct rt2870_txd *txd; 3203 struct rt2860_txwi *txwi; 3204 struct mbuf *mprot; 3205 int ridx; 3206 int protrate; 3207 int ackrate; 3208 int pktlen; 3209 int isshort; 3210 uint16_t dur; 3211 uint8_t type; 3212 uint8_t wflags = 0; 3213 uint8_t xflags = 0; 3214 3215 RUN_LOCK_ASSERT(sc, MA_OWNED); 3216 3217 KASSERT(prot == IEEE80211_PROT_RTSCTS || prot == IEEE80211_PROT_CTSONLY, 3218 ("protection %d", prot)); 3219 3220 wh = mtod(m, struct ieee80211_frame *); 3221 pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN; 3222 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 3223 3224 protrate = ieee80211_ctl_rate(ic->ic_rt, rate); 3225 ackrate = ieee80211_ack_rate(ic->ic_rt, rate); 3226 3227 isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0; 3228 dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort) 3229 + ieee80211_ack_duration(ic->ic_rt, rate, isshort); 3230 wflags = RT2860_TX_FRAG; 3231 3232 /* check that there are free slots before allocating the mbuf */ 3233 if (sc->sc_epq[0].tx_nfree == 0) { 3234 /* let caller free mbuf */ 3235 sc->sc_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 3236 return (ENOBUFS); 3237 } 3238 3239 if (prot == IEEE80211_PROT_RTSCTS) { 3240 /* NB: CTS is the same size as an ACK */ 3241 dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort); 3242 xflags |= RT2860_TX_ACK; 3243 mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur); 3244 } else { 3245 mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur); 3246 } 3247 if (mprot == NULL) { 3248 sc->sc_ifp->if_oerrors++; 3249 DPRINTF("could not allocate mbuf\n"); 3250 return (ENOBUFS); 3251 } 3252 3253 data = STAILQ_FIRST(&sc->sc_epq[0].tx_fh); 3254 STAILQ_REMOVE_HEAD(&sc->sc_epq[0].tx_fh, next); 3255 sc->sc_epq[0].tx_nfree--; 3256 3257 txd = (struct rt2870_txd *)&data->desc; 3258 txd->flags = RT2860_TX_QSEL_EDCA; 3259 txwi = (struct rt2860_txwi *)(txd + 1); 3260 txwi->wcid = 0xff; 3261 txwi->flags = wflags; 3262 txwi->xflags = xflags; 3263 txwi->txop = 0; /* clear leftover garbage bits */ 3264 3265 data->m = mprot; 3266 data->ni = ieee80211_ref_node(ni); 3267 3268 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++) 3269 if (rt2860_rates[ridx].rate == protrate) 3270 break; 3271 data->ridx = ridx; 3272 3273 run_set_tx_desc(sc, data); 3274 3275 DPRINTFN(1, "sending prot len=%u rate=%u\n", 3276 m->m_pkthdr.len, rate); 3277 3278 STAILQ_INSERT_TAIL(&sc->sc_epq[0].tx_qh, data, next); 3279 3280 usbd_transfer_start(sc->sc_xfer[0]); 3281 3282 return (0); 3283 } 3284 3285 static int 3286 run_tx_param(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni, 3287 const struct ieee80211_bpf_params *params) 3288 { 3289 struct ieee80211com *ic = ni->ni_ic; 3290 struct ieee80211_frame *wh; 3291 struct run_tx_data *data; 3292 struct rt2870_txd *txd; 3293 struct rt2860_txwi *txwi; 3294 uint8_t type; 3295 uint8_t ridx; 3296 uint8_t rate; 3297 uint8_t opflags = 0; 3298 uint8_t xflags = 0; 3299 int error; 3300 3301 RUN_LOCK_ASSERT(sc, MA_OWNED); 3302 3303 KASSERT(params != NULL, ("no raw xmit params")); 3304 3305 wh = mtod(m, struct ieee80211_frame *); 3306 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 3307 3308 rate = params->ibp_rate0; 3309 if (!ieee80211_isratevalid(ic->ic_rt, rate)) { 3310 /* let caller free mbuf */ 3311 return (EINVAL); 3312 } 3313 3314 if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 3315 xflags |= RT2860_TX_ACK; 3316 if (params->ibp_flags & (IEEE80211_BPF_RTS|IEEE80211_BPF_CTS)) { 3317 error = run_sendprot(sc, m, ni, 3318 params->ibp_flags & IEEE80211_BPF_RTS ? 3319 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY, 3320 rate); 3321 if (error) { 3322 /* let caller free mbuf */ 3323 return error; 3324 } 3325 opflags |= /*XXX RT2573_TX_LONG_RETRY |*/ RT2860_TX_TXOP_SIFS; 3326 } 3327 3328 if (sc->sc_epq[0].tx_nfree == 0) { 3329 /* let caller free mbuf */ 3330 sc->sc_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 3331 DPRINTF("sending raw frame, but tx ring is full\n"); 3332 return (EIO); 3333 } 3334 data = STAILQ_FIRST(&sc->sc_epq[0].tx_fh); 3335 STAILQ_REMOVE_HEAD(&sc->sc_epq[0].tx_fh, next); 3336 sc->sc_epq[0].tx_nfree--; 3337 3338 txd = (struct rt2870_txd *)&data->desc; 3339 txd->flags = RT2860_TX_QSEL_EDCA; 3340 txwi = (struct rt2860_txwi *)(txd + 1); 3341 txwi->wcid = 0xff; 3342 txwi->xflags = xflags; 3343 txwi->txop = opflags; 3344 txwi->flags = 0; /* clear leftover garbage bits */ 3345 3346 data->m = m; 3347 data->ni = ni; 3348 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++) 3349 if (rt2860_rates[ridx].rate == rate) 3350 break; 3351 data->ridx = ridx; 3352 3353 run_set_tx_desc(sc, data); 3354 3355 DPRINTFN(10, "sending raw frame len=%u rate=%u\n", 3356 m->m_pkthdr.len, rate); 3357 3358 STAILQ_INSERT_TAIL(&sc->sc_epq[0].tx_qh, data, next); 3359 3360 usbd_transfer_start(sc->sc_xfer[0]); 3361 3362 return (0); 3363 } 3364 3365 static int 3366 run_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 3367 const struct ieee80211_bpf_params *params) 3368 { 3369 struct ifnet *ifp = ni->ni_ic->ic_ifp; 3370 struct run_softc *sc = ifp->if_softc; 3371 int error = 0; 3372 3373 RUN_LOCK(sc); 3374 3375 /* prevent management frames from being sent if we're not ready */ 3376 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 3377 error = ENETDOWN; 3378 goto done; 3379 } 3380 3381 if (params == NULL) { 3382 /* tx mgt packet */ 3383 if ((error = run_tx_mgt(sc, m, ni)) != 0) { 3384 ifp->if_oerrors++; 3385 DPRINTF("mgt tx failed\n"); 3386 goto done; 3387 } 3388 } else { 3389 /* tx raw packet with param */ 3390 if ((error = run_tx_param(sc, m, ni, params)) != 0) { 3391 ifp->if_oerrors++; 3392 DPRINTF("tx with param failed\n"); 3393 goto done; 3394 } 3395 } 3396 3397 ifp->if_opackets++; 3398 3399 done: 3400 RUN_UNLOCK(sc); 3401 3402 if (error != 0) { 3403 if(m != NULL) 3404 m_freem(m); 3405 ieee80211_free_node(ni); 3406 } 3407 3408 return (error); 3409 } 3410 3411 static void 3412 run_start(struct ifnet *ifp) 3413 { 3414 struct run_softc *sc = ifp->if_softc; 3415 struct ieee80211_node *ni; 3416 struct mbuf *m; 3417 3418 RUN_LOCK(sc); 3419 3420 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 3421 RUN_UNLOCK(sc); 3422 return; 3423 } 3424 3425 for (;;) { 3426 /* send data frames */ 3427 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 3428 if (m == NULL) 3429 break; 3430 3431 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 3432 if (run_tx(sc, m, ni) != 0) { 3433 IFQ_DRV_PREPEND(&ifp->if_snd, m); 3434 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 3435 break; 3436 } 3437 } 3438 3439 RUN_UNLOCK(sc); 3440 } 3441 3442 static int 3443 run_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3444 { 3445 struct run_softc *sc = ifp->if_softc; 3446 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3447 struct ifreq *ifr = (struct ifreq *) data; 3448 int startall = 0; 3449 int error; 3450 3451 RUN_LOCK(sc); 3452 error = sc->sc_detached ? ENXIO : 0; 3453 RUN_UNLOCK(sc); 3454 if (error) 3455 return (error); 3456 3457 switch (cmd) { 3458 case SIOCSIFFLAGS: 3459 RUN_LOCK(sc); 3460 if (ifp->if_flags & IFF_UP) { 3461 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)){ 3462 startall = 1; 3463 run_init_locked(sc); 3464 } else 3465 run_update_promisc_locked(ifp); 3466 } else { 3467 if (ifp->if_drv_flags & IFF_DRV_RUNNING && 3468 (ic->ic_nrunning == 0 || sc->rvp_cnt <= 1)) { 3469 run_stop(sc); 3470 } 3471 } 3472 RUN_UNLOCK(sc); 3473 if (startall) 3474 ieee80211_start_all(ic); 3475 break; 3476 case SIOCGIFMEDIA: 3477 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 3478 break; 3479 case SIOCGIFADDR: 3480 error = ether_ioctl(ifp, cmd, data); 3481 break; 3482 default: 3483 error = EINVAL; 3484 break; 3485 } 3486 3487 return (error); 3488 } 3489 3490 static void 3491 run_set_agc(struct run_softc *sc, uint8_t agc) 3492 { 3493 uint8_t bbp; 3494 3495 if (sc->mac_ver == 0x3572) { 3496 run_bbp_read(sc, 27, &bbp); 3497 bbp &= ~(0x3 << 5); 3498 run_bbp_write(sc, 27, bbp | 0 << 5); /* select Rx0 */ 3499 run_bbp_write(sc, 66, agc); 3500 run_bbp_write(sc, 27, bbp | 1 << 5); /* select Rx1 */ 3501 run_bbp_write(sc, 66, agc); 3502 } else 3503 run_bbp_write(sc, 66, agc); 3504 } 3505 3506 static void 3507 run_select_chan_group(struct run_softc *sc, int group) 3508 { 3509 uint32_t tmp; 3510 uint8_t agc; 3511 3512 run_bbp_write(sc, 62, 0x37 - sc->lna[group]); 3513 run_bbp_write(sc, 63, 0x37 - sc->lna[group]); 3514 run_bbp_write(sc, 64, 0x37 - sc->lna[group]); 3515 run_bbp_write(sc, 86, 0x00); 3516 3517 if (group == 0) { 3518 if (sc->ext_2ghz_lna) { 3519 run_bbp_write(sc, 82, 0x62); 3520 run_bbp_write(sc, 75, 0x46); 3521 } else { 3522 run_bbp_write(sc, 82, 0x84); 3523 run_bbp_write(sc, 75, 0x50); 3524 } 3525 } else { 3526 if (sc->mac_ver == 0x3572) 3527 run_bbp_write(sc, 82, 0x94); 3528 else 3529 run_bbp_write(sc, 82, 0xf2); 3530 if (sc->ext_5ghz_lna) 3531 run_bbp_write(sc, 75, 0x46); 3532 else 3533 run_bbp_write(sc, 75, 0x50); 3534 } 3535 3536 run_read(sc, RT2860_TX_BAND_CFG, &tmp); 3537 tmp &= ~(RT2860_5G_BAND_SEL_N | RT2860_5G_BAND_SEL_P); 3538 tmp |= (group == 0) ? RT2860_5G_BAND_SEL_N : RT2860_5G_BAND_SEL_P; 3539 run_write(sc, RT2860_TX_BAND_CFG, tmp); 3540 3541 /* enable appropriate Power Amplifiers and Low Noise Amplifiers */ 3542 tmp = RT2860_RFTR_EN | RT2860_TRSW_EN | RT2860_LNA_PE0_EN; 3543 if (sc->nrxchains > 1) 3544 tmp |= RT2860_LNA_PE1_EN; 3545 if (group == 0) { /* 2GHz */ 3546 tmp |= RT2860_PA_PE_G0_EN; 3547 if (sc->ntxchains > 1) 3548 tmp |= RT2860_PA_PE_G1_EN; 3549 } else { /* 5GHz */ 3550 tmp |= RT2860_PA_PE_A0_EN; 3551 if (sc->ntxchains > 1) 3552 tmp |= RT2860_PA_PE_A1_EN; 3553 } 3554 if (sc->mac_ver == 0x3572) { 3555 run_rt3070_rf_write(sc, 8, 0x00); 3556 run_write(sc, RT2860_TX_PIN_CFG, tmp); 3557 run_rt3070_rf_write(sc, 8, 0x80); 3558 } else 3559 run_write(sc, RT2860_TX_PIN_CFG, tmp); 3560 3561 /* set initial AGC value */ 3562 if (group == 0) { /* 2GHz band */ 3563 if (sc->mac_ver >= 0x3070) 3564 agc = 0x1c + sc->lna[0] * 2; 3565 else 3566 agc = 0x2e + sc->lna[0]; 3567 } else { /* 5GHz band */ 3568 if (sc->mac_ver == 0x3572) 3569 agc = 0x22 + (sc->lna[group] * 5) / 3; 3570 else 3571 agc = 0x32 + (sc->lna[group] * 5) / 3; 3572 } 3573 run_set_agc(sc, agc); 3574 } 3575 3576 static void 3577 run_rt2870_set_chan(struct run_softc *sc, uint32_t chan) 3578 { 3579 const struct rfprog *rfprog = rt2860_rf2850; 3580 uint32_t r2, r3, r4; 3581 int8_t txpow1, txpow2; 3582 int i; 3583 3584 /* find the settings for this channel (we know it exists) */ 3585 for (i = 0; rfprog[i].chan != chan; i++); 3586 3587 r2 = rfprog[i].r2; 3588 if (sc->ntxchains == 1) 3589 r2 |= 1 << 12; /* 1T: disable Tx chain 2 */ 3590 if (sc->nrxchains == 1) 3591 r2 |= 1 << 15 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */ 3592 else if (sc->nrxchains == 2) 3593 r2 |= 1 << 4; /* 2R: disable Rx chain 3 */ 3594 3595 /* use Tx power values from EEPROM */ 3596 txpow1 = sc->txpow1[i]; 3597 txpow2 = sc->txpow2[i]; 3598 if (chan > 14) { 3599 if (txpow1 >= 0) 3600 txpow1 = txpow1 << 1 | 1; 3601 else 3602 txpow1 = (7 + txpow1) << 1; 3603 if (txpow2 >= 0) 3604 txpow2 = txpow2 << 1 | 1; 3605 else 3606 txpow2 = (7 + txpow2) << 1; 3607 } 3608 r3 = rfprog[i].r3 | txpow1 << 7; 3609 r4 = rfprog[i].r4 | sc->freq << 13 | txpow2 << 4; 3610 3611 run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1); 3612 run_rt2870_rf_write(sc, RT2860_RF2, r2); 3613 run_rt2870_rf_write(sc, RT2860_RF3, r3); 3614 run_rt2870_rf_write(sc, RT2860_RF4, r4); 3615 3616 run_delay(sc, 10); 3617 3618 run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1); 3619 run_rt2870_rf_write(sc, RT2860_RF2, r2); 3620 run_rt2870_rf_write(sc, RT2860_RF3, r3 | 1); 3621 run_rt2870_rf_write(sc, RT2860_RF4, r4); 3622 3623 run_delay(sc, 10); 3624 3625 run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1); 3626 run_rt2870_rf_write(sc, RT2860_RF2, r2); 3627 run_rt2870_rf_write(sc, RT2860_RF3, r3); 3628 run_rt2870_rf_write(sc, RT2860_RF4, r4); 3629 } 3630 3631 static void 3632 run_rt3070_set_chan(struct run_softc *sc, uint32_t chan) 3633 { 3634 int8_t txpow1, txpow2; 3635 uint8_t rf; 3636 int i; 3637 3638 /* RT3070 is 2GHz only */ 3639 KASSERT(chan >= 1 && chan <= 14, ("wrong channel selected\n")); 3640 3641 /* find the settings for this channel (we know it exists) */ 3642 for (i = 0; rt2860_rf2850[i].chan != chan; i++); 3643 3644 /* use Tx power values from EEPROM */ 3645 txpow1 = sc->txpow1[i]; 3646 txpow2 = sc->txpow2[i]; 3647 3648 run_rt3070_rf_write(sc, 2, rt3070_freqs[i].n); 3649 run_rt3070_rf_write(sc, 3, rt3070_freqs[i].k); 3650 run_rt3070_rf_read(sc, 6, &rf); 3651 rf = (rf & ~0x03) | rt3070_freqs[i].r; 3652 run_rt3070_rf_write(sc, 6, rf); 3653 3654 /* set Tx0 power */ 3655 run_rt3070_rf_read(sc, 12, &rf); 3656 rf = (rf & ~0x1f) | txpow1; 3657 run_rt3070_rf_write(sc, 12, rf); 3658 3659 /* set Tx1 power */ 3660 run_rt3070_rf_read(sc, 13, &rf); 3661 rf = (rf & ~0x1f) | txpow2; 3662 run_rt3070_rf_write(sc, 13, rf); 3663 3664 run_rt3070_rf_read(sc, 1, &rf); 3665 rf &= ~0xfc; 3666 if (sc->ntxchains == 1) 3667 rf |= 1 << 7 | 1 << 5; /* 1T: disable Tx chains 2 & 3 */ 3668 else if (sc->ntxchains == 2) 3669 rf |= 1 << 7; /* 2T: disable Tx chain 3 */ 3670 if (sc->nrxchains == 1) 3671 rf |= 1 << 6 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */ 3672 else if (sc->nrxchains == 2) 3673 rf |= 1 << 6; /* 2R: disable Rx chain 3 */ 3674 run_rt3070_rf_write(sc, 1, rf); 3675 3676 /* set RF offset */ 3677 run_rt3070_rf_read(sc, 23, &rf); 3678 rf = (rf & ~0x7f) | sc->freq; 3679 run_rt3070_rf_write(sc, 23, rf); 3680 3681 /* program RF filter */ 3682 run_rt3070_rf_read(sc, 24, &rf); /* Tx */ 3683 rf = (rf & ~0x3f) | sc->rf24_20mhz; 3684 run_rt3070_rf_write(sc, 24, rf); 3685 run_rt3070_rf_read(sc, 31, &rf); /* Rx */ 3686 rf = (rf & ~0x3f) | sc->rf24_20mhz; 3687 run_rt3070_rf_write(sc, 31, rf); 3688 3689 /* enable RF tuning */ 3690 run_rt3070_rf_read(sc, 7, &rf); 3691 run_rt3070_rf_write(sc, 7, rf | 0x01); 3692 } 3693 3694 static void 3695 run_rt3572_set_chan(struct run_softc *sc, u_int chan) 3696 { 3697 int8_t txpow1, txpow2; 3698 uint32_t tmp; 3699 uint8_t rf; 3700 int i; 3701 3702 /* find the settings for this channel (we know it exists) */ 3703 for (i = 0; rt2860_rf2850[i].chan != chan; i++); 3704 3705 /* use Tx power values from EEPROM */ 3706 txpow1 = sc->txpow1[i]; 3707 txpow2 = sc->txpow2[i]; 3708 3709 if (chan <= 14) { 3710 run_bbp_write(sc, 25, sc->bbp25); 3711 run_bbp_write(sc, 26, sc->bbp26); 3712 } else { 3713 /* enable IQ phase correction */ 3714 run_bbp_write(sc, 25, 0x09); 3715 run_bbp_write(sc, 26, 0xff); 3716 } 3717 3718 run_rt3070_rf_write(sc, 2, rt3070_freqs[i].n); 3719 run_rt3070_rf_write(sc, 3, rt3070_freqs[i].k); 3720 run_rt3070_rf_read(sc, 6, &rf); 3721 rf = (rf & ~0x0f) | rt3070_freqs[i].r; 3722 rf |= (chan <= 14) ? 0x08 : 0x04; 3723 run_rt3070_rf_write(sc, 6, rf); 3724 3725 /* set PLL mode */ 3726 run_rt3070_rf_read(sc, 5, &rf); 3727 rf &= ~(0x08 | 0x04); 3728 rf |= (chan <= 14) ? 0x04 : 0x08; 3729 run_rt3070_rf_write(sc, 5, rf); 3730 3731 /* set Tx power for chain 0 */ 3732 if (chan <= 14) 3733 rf = 0x60 | txpow1; 3734 else 3735 rf = 0xe0 | (txpow1 & 0xc) << 1 | (txpow1 & 0x3); 3736 run_rt3070_rf_write(sc, 12, rf); 3737 3738 /* set Tx power for chain 1 */ 3739 if (chan <= 14) 3740 rf = 0x60 | txpow2; 3741 else 3742 rf = 0xe0 | (txpow2 & 0xc) << 1 | (txpow2 & 0x3); 3743 run_rt3070_rf_write(sc, 13, rf); 3744 3745 /* set Tx/Rx streams */ 3746 run_rt3070_rf_read(sc, 1, &rf); 3747 rf &= ~0xfc; 3748 if (sc->ntxchains == 1) 3749 rf |= 1 << 7 | 1 << 5; /* 1T: disable Tx chains 2 & 3 */ 3750 else if (sc->ntxchains == 2) 3751 rf |= 1 << 7; /* 2T: disable Tx chain 3 */ 3752 if (sc->nrxchains == 1) 3753 rf |= 1 << 6 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */ 3754 else if (sc->nrxchains == 2) 3755 rf |= 1 << 6; /* 2R: disable Rx chain 3 */ 3756 run_rt3070_rf_write(sc, 1, rf); 3757 3758 /* set RF offset */ 3759 run_rt3070_rf_read(sc, 23, &rf); 3760 rf = (rf & ~0x7f) | sc->freq; 3761 run_rt3070_rf_write(sc, 23, rf); 3762 3763 /* program RF filter */ 3764 rf = sc->rf24_20mhz; 3765 run_rt3070_rf_write(sc, 24, rf); /* Tx */ 3766 run_rt3070_rf_write(sc, 31, rf); /* Rx */ 3767 3768 /* enable RF tuning */ 3769 run_rt3070_rf_read(sc, 7, &rf); 3770 rf = (chan <= 14) ? 0xd8 : ((rf & ~0xc8) | 0x14); 3771 run_rt3070_rf_write(sc, 7, rf); 3772 3773 /* TSSI */ 3774 rf = (chan <= 14) ? 0xc3 : 0xc0; 3775 run_rt3070_rf_write(sc, 9, rf); 3776 3777 /* set loop filter 1 */ 3778 run_rt3070_rf_write(sc, 10, 0xf1); 3779 /* set loop filter 2 */ 3780 run_rt3070_rf_write(sc, 11, (chan <= 14) ? 0xb9 : 0x00); 3781 3782 /* set tx_mx2_ic */ 3783 run_rt3070_rf_write(sc, 15, (chan <= 14) ? 0x53 : 0x43); 3784 /* set tx_mx1_ic */ 3785 if (chan <= 14) 3786 rf = 0x48 | sc->txmixgain_2ghz; 3787 else 3788 rf = 0x78 | sc->txmixgain_5ghz; 3789 run_rt3070_rf_write(sc, 16, rf); 3790 3791 /* set tx_lo1 */ 3792 run_rt3070_rf_write(sc, 17, 0x23); 3793 /* set tx_lo2 */ 3794 if (chan <= 14) 3795 rf = 0x93; 3796 else if (chan <= 64) 3797 rf = 0xb7; 3798 else if (chan <= 128) 3799 rf = 0x74; 3800 else 3801 rf = 0x72; 3802 run_rt3070_rf_write(sc, 19, rf); 3803 3804 /* set rx_lo1 */ 3805 if (chan <= 14) 3806 rf = 0xb3; 3807 else if (chan <= 64) 3808 rf = 0xf6; 3809 else if (chan <= 128) 3810 rf = 0xf4; 3811 else 3812 rf = 0xf3; 3813 run_rt3070_rf_write(sc, 20, rf); 3814 3815 /* set pfd_delay */ 3816 if (chan <= 14) 3817 rf = 0x15; 3818 else if (chan <= 64) 3819 rf = 0x3d; 3820 else 3821 rf = 0x01; 3822 run_rt3070_rf_write(sc, 25, rf); 3823 3824 /* set rx_lo2 */ 3825 run_rt3070_rf_write(sc, 26, (chan <= 14) ? 0x85 : 0x87); 3826 /* set ldo_rf_vc */ 3827 run_rt3070_rf_write(sc, 27, (chan <= 14) ? 0x00 : 0x01); 3828 /* set drv_cc */ 3829 run_rt3070_rf_write(sc, 29, (chan <= 14) ? 0x9b : 0x9f); 3830 3831 run_read(sc, RT2860_GPIO_CTRL, &tmp); 3832 tmp &= ~0x8080; 3833 if (chan <= 14) 3834 tmp |= 0x80; 3835 run_write(sc, RT2860_GPIO_CTRL, tmp); 3836 3837 /* enable RF tuning */ 3838 run_rt3070_rf_read(sc, 7, &rf); 3839 run_rt3070_rf_write(sc, 7, rf | 0x01); 3840 3841 run_delay(sc, 2); 3842 } 3843 3844 static void 3845 run_set_rx_antenna(struct run_softc *sc, int aux) 3846 { 3847 uint32_t tmp; 3848 3849 if (aux) { 3850 run_mcu_cmd(sc, RT2860_MCU_CMD_ANTSEL, 0); 3851 run_read(sc, RT2860_GPIO_CTRL, &tmp); 3852 run_write(sc, RT2860_GPIO_CTRL, (tmp & ~0x0808) | 0x08); 3853 } else { 3854 run_mcu_cmd(sc, RT2860_MCU_CMD_ANTSEL, 1); 3855 run_read(sc, RT2860_GPIO_CTRL, &tmp); 3856 run_write(sc, RT2860_GPIO_CTRL, tmp & ~0x0808); 3857 } 3858 } 3859 3860 static int 3861 run_set_chan(struct run_softc *sc, struct ieee80211_channel *c) 3862 { 3863 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3864 uint32_t chan, group; 3865 3866 chan = ieee80211_chan2ieee(ic, c); 3867 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 3868 return (EINVAL); 3869 3870 if (sc->mac_ver == 0x3572) 3871 run_rt3572_set_chan(sc, chan); 3872 else if (sc->mac_ver >= 0x3070) 3873 run_rt3070_set_chan(sc, chan); 3874 else 3875 run_rt2870_set_chan(sc, chan); 3876 3877 /* determine channel group */ 3878 if (chan <= 14) 3879 group = 0; 3880 else if (chan <= 64) 3881 group = 1; 3882 else if (chan <= 128) 3883 group = 2; 3884 else 3885 group = 3; 3886 3887 /* XXX necessary only when group has changed! */ 3888 run_select_chan_group(sc, group); 3889 3890 run_delay(sc, 10); 3891 3892 return (0); 3893 } 3894 3895 static void 3896 run_set_channel(struct ieee80211com *ic) 3897 { 3898 struct run_softc *sc = ic->ic_ifp->if_softc; 3899 3900 RUN_LOCK(sc); 3901 run_set_chan(sc, ic->ic_curchan); 3902 RUN_UNLOCK(sc); 3903 3904 return; 3905 } 3906 3907 static void 3908 run_scan_start(struct ieee80211com *ic) 3909 { 3910 struct run_softc *sc = ic->ic_ifp->if_softc; 3911 uint32_t tmp; 3912 3913 RUN_LOCK(sc); 3914 3915 /* abort TSF synchronization */ 3916 run_read(sc, RT2860_BCN_TIME_CFG, &tmp); 3917 run_write(sc, RT2860_BCN_TIME_CFG, 3918 tmp & ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN | 3919 RT2860_TBTT_TIMER_EN)); 3920 run_set_bssid(sc, sc->sc_ifp->if_broadcastaddr); 3921 3922 RUN_UNLOCK(sc); 3923 3924 return; 3925 } 3926 3927 static void 3928 run_scan_end(struct ieee80211com *ic) 3929 { 3930 struct run_softc *sc = ic->ic_ifp->if_softc; 3931 3932 RUN_LOCK(sc); 3933 3934 run_enable_tsf_sync(sc); 3935 /* XXX keep local copy */ 3936 run_set_bssid(sc, sc->sc_bssid); 3937 3938 RUN_UNLOCK(sc); 3939 3940 return; 3941 } 3942 3943 /* 3944 * Could be called from ieee80211_node_timeout() 3945 * (non-sleepable thread) 3946 */ 3947 static void 3948 run_update_beacon(struct ieee80211vap *vap, int item) 3949 { 3950 struct ieee80211com *ic = vap->iv_ic; 3951 struct run_softc *sc = ic->ic_ifp->if_softc; 3952 struct run_vap *rvp = RUN_VAP(vap); 3953 int mcast = 0; 3954 uint32_t i; 3955 3956 KASSERT(vap != NULL, ("no beacon")); 3957 3958 switch (item) { 3959 case IEEE80211_BEACON_ERP: 3960 run_updateslot(ic->ic_ifp); 3961 break; 3962 case IEEE80211_BEACON_HTINFO: 3963 run_updateprot(ic); 3964 break; 3965 case IEEE80211_BEACON_TIM: 3966 mcast = 1; /*TODO*/ 3967 break; 3968 default: 3969 break; 3970 } 3971 3972 setbit(rvp->bo.bo_flags, item); 3973 ieee80211_beacon_update(vap->iv_bss, &rvp->bo, rvp->beacon_mbuf, mcast); 3974 3975 i = RUN_CMDQ_GET(&sc->cmdq_store); 3976 DPRINTF("cmdq_store=%d\n", i); 3977 sc->cmdq[i].func = run_update_beacon_cb; 3978 sc->cmdq[i].arg0 = vap; 3979 ieee80211_runtask(ic, &sc->cmdq_task); 3980 3981 return; 3982 } 3983 3984 static void 3985 run_update_beacon_cb(void *arg) 3986 { 3987 struct ieee80211vap *vap = arg; 3988 struct run_vap *rvp = RUN_VAP(vap); 3989 struct ieee80211com *ic = vap->iv_ic; 3990 struct run_softc *sc = ic->ic_ifp->if_softc; 3991 struct rt2860_txwi txwi; 3992 struct mbuf *m; 3993 uint8_t ridx; 3994 3995 if (vap->iv_bss->ni_chan == IEEE80211_CHAN_ANYC) 3996 return; 3997 if (ic->ic_bsschan == IEEE80211_CHAN_ANYC) 3998 return; 3999 4000 /* 4001 * No need to call ieee80211_beacon_update(), run_update_beacon() 4002 * is taking care of apropriate calls. 4003 */ 4004 if (rvp->beacon_mbuf == NULL) { 4005 rvp->beacon_mbuf = ieee80211_beacon_alloc(vap->iv_bss, 4006 &rvp->bo); 4007 if (rvp->beacon_mbuf == NULL) 4008 return; 4009 } 4010 m = rvp->beacon_mbuf; 4011 4012 memset(&txwi, 0, sizeof txwi); 4013 txwi.wcid = 0xff; 4014 txwi.len = htole16(m->m_pkthdr.len); 4015 /* send beacons at the lowest available rate */ 4016 ridx = (ic->ic_curmode == IEEE80211_MODE_11A) ? 4017 RT2860_RIDX_OFDM6 : RT2860_RIDX_CCK1; 4018 txwi.phy = htole16(rt2860_rates[ridx].mcs); 4019 if (rt2860_rates[ridx].phy == IEEE80211_T_OFDM) 4020 txwi.phy |= htole16(RT2860_PHY_OFDM); 4021 txwi.txop = RT2860_TX_TXOP_HT; 4022 txwi.flags = RT2860_TX_TS; 4023 txwi.xflags = RT2860_TX_NSEQ; 4024 4025 run_write_region_1(sc, RT2860_BCN_BASE(rvp->rvp_id), 4026 (uint8_t *)&txwi, sizeof txwi); 4027 run_write_region_1(sc, RT2860_BCN_BASE(rvp->rvp_id) + sizeof txwi, 4028 mtod(m, uint8_t *), (m->m_pkthdr.len + 1) & ~1); /* roundup len */ 4029 4030 return; 4031 } 4032 4033 static void 4034 run_updateprot(struct ieee80211com *ic) 4035 { 4036 struct run_softc *sc = ic->ic_ifp->if_softc; 4037 uint32_t i; 4038 4039 i = RUN_CMDQ_GET(&sc->cmdq_store); 4040 DPRINTF("cmdq_store=%d\n", i); 4041 sc->cmdq[i].func = run_updateprot_cb; 4042 sc->cmdq[i].arg0 = ic; 4043 ieee80211_runtask(ic, &sc->cmdq_task); 4044 } 4045 4046 static void 4047 run_updateprot_cb(void *arg) 4048 { 4049 struct ieee80211com *ic = arg; 4050 struct run_softc *sc = ic->ic_ifp->if_softc; 4051 uint32_t tmp; 4052 4053 tmp = RT2860_RTSTH_EN | RT2860_PROT_NAV_SHORT | RT2860_TXOP_ALLOW_ALL; 4054 /* setup protection frame rate (MCS code) */ 4055 tmp |= (ic->ic_curmode == IEEE80211_MODE_11A) ? 4056 rt2860_rates[RT2860_RIDX_OFDM6].mcs : 4057 rt2860_rates[RT2860_RIDX_CCK11].mcs; 4058 4059 /* CCK frames don't require protection */ 4060 run_write(sc, RT2860_CCK_PROT_CFG, tmp); 4061 if (ic->ic_flags & IEEE80211_F_USEPROT) { 4062 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 4063 tmp |= RT2860_PROT_CTRL_RTS_CTS; 4064 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 4065 tmp |= RT2860_PROT_CTRL_CTS; 4066 } 4067 run_write(sc, RT2860_OFDM_PROT_CFG, tmp); 4068 } 4069 4070 static void 4071 run_usb_timeout_cb(void *arg) 4072 { 4073 struct ieee80211vap *vap = arg; 4074 struct run_softc *sc = vap->iv_ic->ic_ifp->if_softc; 4075 4076 RUN_LOCK_ASSERT(sc, MA_OWNED); 4077 4078 if(vap->iv_state == IEEE80211_S_RUN && 4079 vap->iv_opmode != IEEE80211_M_STA) 4080 run_reset_livelock(sc); 4081 else if (vap->iv_state == IEEE80211_S_SCAN) { 4082 DPRINTF("timeout caused by scan\n"); 4083 /* cancel bgscan */ 4084 ieee80211_cancel_scan(vap); 4085 } else 4086 DPRINTF("timeout by unknown cause\n"); 4087 } 4088 4089 static void 4090 run_reset_livelock(struct run_softc *sc) 4091 { 4092 uint32_t tmp; 4093 4094 RUN_LOCK_ASSERT(sc, MA_OWNED); 4095 4096 /* 4097 * In IBSS or HostAP modes (when the hardware sends beacons), the MAC 4098 * can run into a livelock and start sending CTS-to-self frames like 4099 * crazy if protection is enabled. Reset MAC/BBP for a while 4100 */ 4101 run_read(sc, RT2860_DEBUG, &tmp); 4102 DPRINTFN(3, "debug reg %08x\n", tmp); 4103 if ((tmp & (1 << 29)) && (tmp & (1 << 7 | 1 << 5))) { 4104 DPRINTF("CTS-to-self livelock detected\n"); 4105 run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_MAC_SRST); 4106 run_delay(sc, 1); 4107 run_write(sc, RT2860_MAC_SYS_CTRL, 4108 RT2860_MAC_RX_EN | RT2860_MAC_TX_EN); 4109 } 4110 } 4111 4112 static void 4113 run_update_promisc_locked(struct ifnet *ifp) 4114 { 4115 struct run_softc *sc = ifp->if_softc; 4116 uint32_t tmp; 4117 4118 run_read(sc, RT2860_RX_FILTR_CFG, &tmp); 4119 4120 tmp |= RT2860_DROP_UC_NOME; 4121 if (ifp->if_flags & IFF_PROMISC) 4122 tmp &= ~RT2860_DROP_UC_NOME; 4123 4124 run_write(sc, RT2860_RX_FILTR_CFG, tmp); 4125 4126 DPRINTF("%s promiscuous mode\n", (ifp->if_flags & IFF_PROMISC) ? 4127 "entering" : "leaving"); 4128 } 4129 4130 static void 4131 run_update_promisc(struct ifnet *ifp) 4132 { 4133 struct run_softc *sc = ifp->if_softc; 4134 4135 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 4136 return; 4137 4138 RUN_LOCK(sc); 4139 run_update_promisc_locked(ifp); 4140 RUN_UNLOCK(sc); 4141 } 4142 4143 static void 4144 run_enable_tsf_sync(struct run_softc *sc) 4145 { 4146 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 4147 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4148 uint32_t tmp; 4149 4150 DPRINTF("rvp_id=%d ic_opmode=%d\n", RUN_VAP(vap)->rvp_id, ic->ic_opmode); 4151 4152 run_read(sc, RT2860_BCN_TIME_CFG, &tmp); 4153 tmp &= ~0x1fffff; 4154 tmp |= vap->iv_bss->ni_intval * 16; 4155 tmp |= RT2860_TSF_TIMER_EN | RT2860_TBTT_TIMER_EN; 4156 4157 if (ic->ic_opmode == IEEE80211_M_STA) { 4158 /* 4159 * Local TSF is always updated with remote TSF on beacon 4160 * reception. 4161 */ 4162 tmp |= 1 << RT2860_TSF_SYNC_MODE_SHIFT; 4163 } else if (ic->ic_opmode == IEEE80211_M_IBSS) { 4164 tmp |= RT2860_BCN_TX_EN; 4165 /* 4166 * Local TSF is updated with remote TSF on beacon reception 4167 * only if the remote TSF is greater than local TSF. 4168 */ 4169 tmp |= 2 << RT2860_TSF_SYNC_MODE_SHIFT; 4170 } else if (ic->ic_opmode == IEEE80211_M_HOSTAP || 4171 ic->ic_opmode == IEEE80211_M_MBSS) { 4172 tmp |= RT2860_BCN_TX_EN; 4173 /* SYNC with nobody */ 4174 tmp |= 3 << RT2860_TSF_SYNC_MODE_SHIFT; 4175 } else { 4176 DPRINTF("Enabling TSF failed. undefined opmode\n"); 4177 return; 4178 } 4179 4180 run_write(sc, RT2860_BCN_TIME_CFG, tmp); 4181 } 4182 4183 static void 4184 run_enable_mrr(struct run_softc *sc) 4185 { 4186 #define CCK(mcs) (mcs) 4187 #define OFDM(mcs) (1 << 3 | (mcs)) 4188 run_write(sc, RT2860_LG_FBK_CFG0, 4189 OFDM(6) << 28 | /* 54->48 */ 4190 OFDM(5) << 24 | /* 48->36 */ 4191 OFDM(4) << 20 | /* 36->24 */ 4192 OFDM(3) << 16 | /* 24->18 */ 4193 OFDM(2) << 12 | /* 18->12 */ 4194 OFDM(1) << 8 | /* 12-> 9 */ 4195 OFDM(0) << 4 | /* 9-> 6 */ 4196 OFDM(0)); /* 6-> 6 */ 4197 4198 run_write(sc, RT2860_LG_FBK_CFG1, 4199 CCK(2) << 12 | /* 11->5.5 */ 4200 CCK(1) << 8 | /* 5.5-> 2 */ 4201 CCK(0) << 4 | /* 2-> 1 */ 4202 CCK(0)); /* 1-> 1 */ 4203 #undef OFDM 4204 #undef CCK 4205 } 4206 4207 static void 4208 run_set_txpreamble(struct run_softc *sc) 4209 { 4210 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 4211 uint32_t tmp; 4212 4213 run_read(sc, RT2860_AUTO_RSP_CFG, &tmp); 4214 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4215 tmp |= RT2860_CCK_SHORT_EN; 4216 else 4217 tmp &= ~RT2860_CCK_SHORT_EN; 4218 run_write(sc, RT2860_AUTO_RSP_CFG, tmp); 4219 } 4220 4221 static void 4222 run_set_basicrates(struct run_softc *sc) 4223 { 4224 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 4225 4226 /* set basic rates mask */ 4227 if (ic->ic_curmode == IEEE80211_MODE_11B) 4228 run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x003); 4229 else if (ic->ic_curmode == IEEE80211_MODE_11A) 4230 run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x150); 4231 else /* 11g */ 4232 run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x15f); 4233 } 4234 4235 static void 4236 run_set_leds(struct run_softc *sc, uint16_t which) 4237 { 4238 (void)run_mcu_cmd(sc, RT2860_MCU_CMD_LEDS, 4239 which | (sc->leds & 0x7f)); 4240 } 4241 4242 static void 4243 run_set_bssid(struct run_softc *sc, const uint8_t *bssid) 4244 { 4245 run_write(sc, RT2860_MAC_BSSID_DW0, 4246 bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24); 4247 run_write(sc, RT2860_MAC_BSSID_DW1, 4248 bssid[4] | bssid[5] << 8); 4249 } 4250 4251 static void 4252 run_set_macaddr(struct run_softc *sc, const uint8_t *addr) 4253 { 4254 run_write(sc, RT2860_MAC_ADDR_DW0, 4255 addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24); 4256 run_write(sc, RT2860_MAC_ADDR_DW1, 4257 addr[4] | addr[5] << 8 | 0xff << 16); 4258 } 4259 4260 static void 4261 run_updateslot(struct ifnet *ifp) 4262 { 4263 struct run_softc *sc = ifp->if_softc; 4264 struct ieee80211com *ic = ifp->if_l2com; 4265 uint32_t i; 4266 4267 i = RUN_CMDQ_GET(&sc->cmdq_store); 4268 DPRINTF("cmdq_store=%d\n", i); 4269 sc->cmdq[i].func = run_updateslot_cb; 4270 sc->cmdq[i].arg0 = ifp; 4271 ieee80211_runtask(ic, &sc->cmdq_task); 4272 4273 return; 4274 } 4275 4276 /* ARGSUSED */ 4277 static void 4278 run_updateslot_cb(void *arg) 4279 { 4280 struct ifnet *ifp = arg; 4281 struct run_softc *sc = ifp->if_softc; 4282 struct ieee80211com *ic = ifp->if_l2com; 4283 uint32_t tmp; 4284 4285 run_read(sc, RT2860_BKOFF_SLOT_CFG, &tmp); 4286 tmp &= ~0xff; 4287 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20; 4288 run_write(sc, RT2860_BKOFF_SLOT_CFG, tmp); 4289 } 4290 4291 static void 4292 run_update_mcast(struct ifnet *ifp) 4293 { 4294 /* h/w filter supports getting everything or nothing */ 4295 ifp->if_flags |= IFF_ALLMULTI; 4296 } 4297 4298 static int8_t 4299 run_rssi2dbm(struct run_softc *sc, uint8_t rssi, uint8_t rxchain) 4300 { 4301 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 4302 struct ieee80211_channel *c = ic->ic_curchan; 4303 int delta; 4304 4305 if (IEEE80211_IS_CHAN_5GHZ(c)) { 4306 uint32_t chan = ieee80211_chan2ieee(ic, c); 4307 delta = sc->rssi_5ghz[rxchain]; 4308 4309 /* determine channel group */ 4310 if (chan <= 64) 4311 delta -= sc->lna[1]; 4312 else if (chan <= 128) 4313 delta -= sc->lna[2]; 4314 else 4315 delta -= sc->lna[3]; 4316 } else 4317 delta = sc->rssi_2ghz[rxchain] - sc->lna[0]; 4318 4319 return (-12 - delta - rssi); 4320 } 4321 4322 static int 4323 run_bbp_init(struct run_softc *sc) 4324 { 4325 int i, error, ntries; 4326 uint8_t bbp0; 4327 4328 /* wait for BBP to wake up */ 4329 for (ntries = 0; ntries < 20; ntries++) { 4330 if ((error = run_bbp_read(sc, 0, &bbp0)) != 0) 4331 return error; 4332 if (bbp0 != 0 && bbp0 != 0xff) 4333 break; 4334 } 4335 if (ntries == 20) 4336 return (ETIMEDOUT); 4337 4338 /* initialize BBP registers to default values */ 4339 for (i = 0; i < N(rt2860_def_bbp); i++) { 4340 run_bbp_write(sc, rt2860_def_bbp[i].reg, 4341 rt2860_def_bbp[i].val); 4342 } 4343 4344 /* fix BBP84 for RT2860E */ 4345 if (sc->mac_ver == 0x2860 && sc->mac_rev != 0x0101) 4346 run_bbp_write(sc, 84, 0x19); 4347 4348 if (sc->mac_ver >= 0x3070) { 4349 run_bbp_write(sc, 79, 0x13); 4350 run_bbp_write(sc, 80, 0x05); 4351 run_bbp_write(sc, 81, 0x33); 4352 } else if (sc->mac_ver == 0x2860 && sc->mac_rev == 0x0100) { 4353 run_bbp_write(sc, 69, 0x16); 4354 run_bbp_write(sc, 73, 0x12); 4355 } 4356 return (0); 4357 } 4358 4359 static int 4360 run_rt3070_rf_init(struct run_softc *sc) 4361 { 4362 uint32_t tmp; 4363 uint8_t rf, target, bbp4; 4364 int i; 4365 4366 run_rt3070_rf_read(sc, 30, &rf); 4367 /* toggle RF R30 bit 7 */ 4368 run_rt3070_rf_write(sc, 30, rf | 0x80); 4369 run_delay(sc, 10); 4370 run_rt3070_rf_write(sc, 30, rf & ~0x80); 4371 4372 /* initialize RF registers to default value */ 4373 if (sc->mac_ver == 0x3572) { 4374 for (i = 0; i < N(rt3572_def_rf); i++) { 4375 run_rt3070_rf_write(sc, rt3572_def_rf[i].reg, 4376 rt3572_def_rf[i].val); 4377 } 4378 } else { 4379 for (i = 0; i < N(rt3070_def_rf); i++) { 4380 run_rt3070_rf_write(sc, rt3070_def_rf[i].reg, 4381 rt3070_def_rf[i].val); 4382 } 4383 } 4384 4385 if (sc->mac_ver == 0x3070) { 4386 /* change voltage from 1.2V to 1.35V for RT3070 */ 4387 run_read(sc, RT3070_LDO_CFG0, &tmp); 4388 tmp = (tmp & ~0x0f000000) | 0x0d000000; 4389 run_write(sc, RT3070_LDO_CFG0, tmp); 4390 4391 } else if (sc->mac_ver == 0x3071) { 4392 run_rt3070_rf_read(sc, 6, &rf); 4393 run_rt3070_rf_write(sc, 6, rf | 0x40); 4394 run_rt3070_rf_write(sc, 31, 0x14); 4395 4396 run_read(sc, RT3070_LDO_CFG0, &tmp); 4397 tmp &= ~0x1f000000; 4398 if (sc->mac_rev < 0x0211) 4399 tmp |= 0x0d000000; /* 1.3V */ 4400 else 4401 tmp |= 0x01000000; /* 1.2V */ 4402 run_write(sc, RT3070_LDO_CFG0, tmp); 4403 4404 /* patch LNA_PE_G1 */ 4405 run_read(sc, RT3070_GPIO_SWITCH, &tmp); 4406 run_write(sc, RT3070_GPIO_SWITCH, tmp & ~0x20); 4407 4408 } else if (sc->mac_ver == 0x3572) { 4409 run_rt3070_rf_read(sc, 6, &rf); 4410 run_rt3070_rf_write(sc, 6, rf | 0x40); 4411 4412 /* increase voltage from 1.2V to 1.35V */ 4413 run_read(sc, RT3070_LDO_CFG0, &tmp); 4414 tmp = (tmp & ~0x1f000000) | 0x0d000000; 4415 run_write(sc, RT3070_LDO_CFG0, tmp); 4416 4417 if (sc->mac_rev < 0x0211 || !sc->patch_dac) { 4418 run_delay(sc, 1); /* wait for 1msec */ 4419 /* decrease voltage back to 1.2V */ 4420 tmp = (tmp & ~0x1f000000) | 0x01000000; 4421 run_write(sc, RT3070_LDO_CFG0, tmp); 4422 } 4423 } 4424 4425 /* select 20MHz bandwidth */ 4426 run_rt3070_rf_read(sc, 31, &rf); 4427 run_rt3070_rf_write(sc, 31, rf & ~0x20); 4428 4429 /* calibrate filter for 20MHz bandwidth */ 4430 sc->rf24_20mhz = 0x1f; /* default value */ 4431 target = (sc->mac_ver < 0x3071) ? 0x16 : 0x13; 4432 run_rt3070_filter_calib(sc, 0x07, target, &sc->rf24_20mhz); 4433 4434 /* select 40MHz bandwidth */ 4435 run_bbp_read(sc, 4, &bbp4); 4436 run_bbp_write(sc, 4, (bbp4 & ~0x08) | 0x10); 4437 run_rt3070_rf_read(sc, 31, &rf); 4438 run_rt3070_rf_write(sc, 31, rf | 0x20); 4439 4440 /* calibrate filter for 40MHz bandwidth */ 4441 sc->rf24_40mhz = 0x2f; /* default value */ 4442 target = (sc->mac_ver < 0x3071) ? 0x19 : 0x15; 4443 run_rt3070_filter_calib(sc, 0x27, target, &sc->rf24_40mhz); 4444 4445 /* go back to 20MHz bandwidth */ 4446 run_bbp_read(sc, 4, &bbp4); 4447 run_bbp_write(sc, 4, bbp4 & ~0x18); 4448 4449 if (sc->mac_ver == 0x3572) { 4450 /* save default BBP registers 25 and 26 values */ 4451 run_bbp_read(sc, 25, &sc->bbp25); 4452 run_bbp_read(sc, 26, &sc->bbp26); 4453 } else if (sc->mac_rev < 0x0211) 4454 run_rt3070_rf_write(sc, 27, 0x03); 4455 4456 run_read(sc, RT3070_OPT_14, &tmp); 4457 run_write(sc, RT3070_OPT_14, tmp | 1); 4458 4459 if (sc->mac_ver == 0x3070 || sc->mac_ver == 0x3071) { 4460 run_rt3070_rf_read(sc, 17, &rf); 4461 rf &= ~RT3070_TX_LO1; 4462 if ((sc->mac_ver == 0x3070 || 4463 (sc->mac_ver == 0x3071 && sc->mac_rev >= 0x0211)) && 4464 !sc->ext_2ghz_lna) 4465 rf |= 0x20; /* fix for long range Rx issue */ 4466 if (sc->txmixgain_2ghz >= 1) 4467 rf = (rf & ~0x7) | sc->txmixgain_2ghz; 4468 run_rt3070_rf_write(sc, 17, rf); 4469 } 4470 4471 if (sc->mac_rev == 0x3071) { 4472 run_rt3070_rf_read(sc, 1, &rf); 4473 rf &= ~(RT3070_RX0_PD | RT3070_TX0_PD); 4474 rf |= RT3070_RF_BLOCK | RT3070_RX1_PD | RT3070_TX1_PD; 4475 run_rt3070_rf_write(sc, 1, rf); 4476 4477 run_rt3070_rf_read(sc, 15, &rf); 4478 run_rt3070_rf_write(sc, 15, rf & ~RT3070_TX_LO2); 4479 4480 run_rt3070_rf_read(sc, 20, &rf); 4481 run_rt3070_rf_write(sc, 20, rf & ~RT3070_RX_LO1); 4482 4483 run_rt3070_rf_read(sc, 21, &rf); 4484 run_rt3070_rf_write(sc, 21, rf & ~RT3070_RX_LO2); 4485 } 4486 4487 if (sc->mac_ver == 0x3070 || sc->mac_ver == 0x3071) { 4488 /* fix Tx to Rx IQ glitch by raising RF voltage */ 4489 run_rt3070_rf_read(sc, 27, &rf); 4490 rf &= ~0x77; 4491 if (sc->mac_rev < 0x0211) 4492 rf |= 0x03; 4493 run_rt3070_rf_write(sc, 27, rf); 4494 } 4495 return (0); 4496 } 4497 4498 static int 4499 run_rt3070_filter_calib(struct run_softc *sc, uint8_t init, uint8_t target, 4500 uint8_t *val) 4501 { 4502 uint8_t rf22, rf24; 4503 uint8_t bbp55_pb, bbp55_sb, delta; 4504 int ntries; 4505 4506 /* program filter */ 4507 run_rt3070_rf_read(sc, 24, &rf24); 4508 rf24 = (rf24 & 0xc0) | init; /* initial filter value */ 4509 run_rt3070_rf_write(sc, 24, rf24); 4510 4511 /* enable baseband loopback mode */ 4512 run_rt3070_rf_read(sc, 22, &rf22); 4513 run_rt3070_rf_write(sc, 22, rf22 | 0x01); 4514 4515 /* set power and frequency of passband test tone */ 4516 run_bbp_write(sc, 24, 0x00); 4517 for (ntries = 0; ntries < 100; ntries++) { 4518 /* transmit test tone */ 4519 run_bbp_write(sc, 25, 0x90); 4520 run_delay(sc, 10); 4521 /* read received power */ 4522 run_bbp_read(sc, 55, &bbp55_pb); 4523 if (bbp55_pb != 0) 4524 break; 4525 } 4526 if (ntries == 100) 4527 return ETIMEDOUT; 4528 4529 /* set power and frequency of stopband test tone */ 4530 run_bbp_write(sc, 24, 0x06); 4531 for (ntries = 0; ntries < 100; ntries++) { 4532 /* transmit test tone */ 4533 run_bbp_write(sc, 25, 0x90); 4534 run_delay(sc, 10); 4535 /* read received power */ 4536 run_bbp_read(sc, 55, &bbp55_sb); 4537 4538 delta = bbp55_pb - bbp55_sb; 4539 if (delta > target) 4540 break; 4541 4542 /* reprogram filter */ 4543 rf24++; 4544 run_rt3070_rf_write(sc, 24, rf24); 4545 } 4546 if (ntries < 100) { 4547 if (rf24 != init) 4548 rf24--; /* backtrack */ 4549 *val = rf24; 4550 run_rt3070_rf_write(sc, 24, rf24); 4551 } 4552 4553 /* restore initial state */ 4554 run_bbp_write(sc, 24, 0x00); 4555 4556 /* disable baseband loopback mode */ 4557 run_rt3070_rf_read(sc, 22, &rf22); 4558 run_rt3070_rf_write(sc, 22, rf22 & ~0x01); 4559 4560 return (0); 4561 } 4562 4563 static void 4564 run_rt3070_rf_setup(struct run_softc *sc) 4565 { 4566 uint8_t bbp, rf; 4567 int i; 4568 4569 if (sc->mac_ver == 0x3572) { 4570 /* enable DC filter */ 4571 if (sc->mac_rev >= 0x0201) 4572 run_bbp_write(sc, 103, 0xc0); 4573 4574 run_bbp_read(sc, 138, &bbp); 4575 if (sc->ntxchains == 1) 4576 bbp |= 0x20; /* turn off DAC1 */ 4577 if (sc->nrxchains == 1) 4578 bbp &= ~0x02; /* turn off ADC1 */ 4579 run_bbp_write(sc, 138, bbp); 4580 4581 if (sc->mac_rev >= 0x0211) { 4582 /* improve power consumption */ 4583 run_bbp_read(sc, 31, &bbp); 4584 run_bbp_write(sc, 31, bbp & ~0x03); 4585 } 4586 4587 run_rt3070_rf_read(sc, 16, &rf); 4588 rf = (rf & ~0x07) | sc->txmixgain_2ghz; 4589 run_rt3070_rf_write(sc, 16, rf); 4590 4591 } else if (sc->mac_ver == 0x3071) { 4592 /* enable DC filter */ 4593 if (sc->mac_rev >= 0x0201) 4594 run_bbp_write(sc, 103, 0xc0); 4595 4596 run_bbp_read(sc, 138, &bbp); 4597 if (sc->ntxchains == 1) 4598 bbp |= 0x20; /* turn off DAC1 */ 4599 if (sc->nrxchains == 1) 4600 bbp &= ~0x02; /* turn off ADC1 */ 4601 run_bbp_write(sc, 138, bbp); 4602 4603 if (sc->mac_rev >= 0x0211) { 4604 /* improve power consumption */ 4605 run_bbp_read(sc, 31, &bbp); 4606 run_bbp_write(sc, 31, bbp & ~0x03); 4607 } 4608 4609 run_write(sc, RT2860_TX_SW_CFG1, 0); 4610 if (sc->mac_rev < 0x0211) { 4611 run_write(sc, RT2860_TX_SW_CFG2, 4612 sc->patch_dac ? 0x2c : 0x0f); 4613 } else 4614 run_write(sc, RT2860_TX_SW_CFG2, 0); 4615 4616 } else if (sc->mac_ver == 0x3070) { 4617 if (sc->mac_rev >= 0x0201) { 4618 /* enable DC filter */ 4619 run_bbp_write(sc, 103, 0xc0); 4620 4621 /* improve power consumption */ 4622 run_bbp_read(sc, 31, &bbp); 4623 run_bbp_write(sc, 31, bbp & ~0x03); 4624 } 4625 4626 if (sc->mac_rev < 0x0211) { 4627 run_write(sc, RT2860_TX_SW_CFG1, 0); 4628 run_write(sc, RT2860_TX_SW_CFG2, 0x2c); 4629 } else 4630 run_write(sc, RT2860_TX_SW_CFG2, 0); 4631 } 4632 4633 /* initialize RF registers from ROM for >=RT3071*/ 4634 if (sc->mac_ver >= 0x3071) { 4635 for (i = 0; i < 10; i++) { 4636 if (sc->rf[i].reg == 0 || sc->rf[i].reg == 0xff) 4637 continue; 4638 run_rt3070_rf_write(sc, sc->rf[i].reg, sc->rf[i].val); 4639 } 4640 } 4641 } 4642 4643 static int 4644 run_txrx_enable(struct run_softc *sc) 4645 { 4646 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 4647 uint32_t tmp; 4648 int error, ntries; 4649 4650 run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_MAC_TX_EN); 4651 for (ntries = 0; ntries < 200; ntries++) { 4652 if ((error = run_read(sc, RT2860_WPDMA_GLO_CFG, &tmp)) != 0) 4653 return error; 4654 if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0) 4655 break; 4656 run_delay(sc, 50); 4657 } 4658 if (ntries == 200) 4659 return ETIMEDOUT; 4660 4661 run_delay(sc, 50); 4662 4663 tmp |= RT2860_RX_DMA_EN | RT2860_TX_DMA_EN | RT2860_TX_WB_DDONE; 4664 run_write(sc, RT2860_WPDMA_GLO_CFG, tmp); 4665 4666 /* enable Rx bulk aggregation (set timeout and limit) */ 4667 tmp = RT2860_USB_TX_EN | RT2860_USB_RX_EN | RT2860_USB_RX_AGG_EN | 4668 RT2860_USB_RX_AGG_TO(128) | RT2860_USB_RX_AGG_LMT(2); 4669 run_write(sc, RT2860_USB_DMA_CFG, tmp); 4670 4671 /* set Rx filter */ 4672 tmp = RT2860_DROP_CRC_ERR | RT2860_DROP_PHY_ERR; 4673 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 4674 tmp |= RT2860_DROP_UC_NOME | RT2860_DROP_DUPL | 4675 RT2860_DROP_CTS | RT2860_DROP_BA | RT2860_DROP_ACK | 4676 RT2860_DROP_VER_ERR | RT2860_DROP_CTRL_RSV | 4677 RT2860_DROP_CFACK | RT2860_DROP_CFEND; 4678 if (ic->ic_opmode == IEEE80211_M_STA) 4679 tmp |= RT2860_DROP_RTS | RT2860_DROP_PSPOLL; 4680 } 4681 run_write(sc, RT2860_RX_FILTR_CFG, tmp); 4682 4683 run_write(sc, RT2860_MAC_SYS_CTRL, 4684 RT2860_MAC_RX_EN | RT2860_MAC_TX_EN); 4685 4686 return (0); 4687 } 4688 4689 static void 4690 run_init_locked(struct run_softc *sc) 4691 { 4692 struct ifnet *ifp = sc->sc_ifp; 4693 struct ieee80211com *ic = ifp->if_l2com; 4694 uint32_t tmp; 4695 uint8_t bbp1, bbp3; 4696 int i; 4697 int ridx; 4698 int ntries; 4699 4700 if (ic->ic_nrunning > 1) 4701 return; 4702 4703 run_stop(sc); 4704 4705 if (run_load_microcode(sc) != 0) { 4706 device_printf(sc->sc_dev, "could not load 8051 microcode\n"); 4707 goto fail; 4708 } 4709 4710 for (ntries = 0; ntries < 100; ntries++) { 4711 if (run_read(sc, RT2860_ASIC_VER_ID, &tmp) != 0) 4712 goto fail; 4713 if (tmp != 0 && tmp != 0xffffffff) 4714 break; 4715 run_delay(sc, 10); 4716 } 4717 if (ntries == 100) 4718 goto fail; 4719 4720 for (i = 0; i != RUN_EP_QUEUES; i++) 4721 run_setup_tx_list(sc, &sc->sc_epq[i]); 4722 4723 run_set_macaddr(sc, IF_LLADDR(ifp)); 4724 4725 for (ntries = 0; ntries < 100; ntries++) { 4726 if (run_read(sc, RT2860_WPDMA_GLO_CFG, &tmp) != 0) 4727 goto fail; 4728 if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0) 4729 break; 4730 run_delay(sc, 10); 4731 } 4732 if (ntries == 100) { 4733 device_printf(sc->sc_dev, "timeout waiting for DMA engine\n"); 4734 goto fail; 4735 } 4736 tmp &= 0xff0; 4737 tmp |= RT2860_TX_WB_DDONE; 4738 run_write(sc, RT2860_WPDMA_GLO_CFG, tmp); 4739 4740 /* turn off PME_OEN to solve high-current issue */ 4741 run_read(sc, RT2860_SYS_CTRL, &tmp); 4742 run_write(sc, RT2860_SYS_CTRL, tmp & ~RT2860_PME_OEN); 4743 4744 run_write(sc, RT2860_MAC_SYS_CTRL, 4745 RT2860_BBP_HRST | RT2860_MAC_SRST); 4746 run_write(sc, RT2860_USB_DMA_CFG, 0); 4747 4748 if (run_reset(sc) != 0) { 4749 device_printf(sc->sc_dev, "could not reset chipset\n"); 4750 goto fail; 4751 } 4752 4753 run_write(sc, RT2860_MAC_SYS_CTRL, 0); 4754 4755 /* init Tx power for all Tx rates (from EEPROM) */ 4756 for (ridx = 0; ridx < 5; ridx++) { 4757 if (sc->txpow20mhz[ridx] == 0xffffffff) 4758 continue; 4759 run_write(sc, RT2860_TX_PWR_CFG(ridx), sc->txpow20mhz[ridx]); 4760 } 4761 4762 for (i = 0; i < N(rt2870_def_mac); i++) 4763 run_write(sc, rt2870_def_mac[i].reg, rt2870_def_mac[i].val); 4764 run_write(sc, RT2860_WMM_AIFSN_CFG, 0x00002273); 4765 run_write(sc, RT2860_WMM_CWMIN_CFG, 0x00002344); 4766 run_write(sc, RT2860_WMM_CWMAX_CFG, 0x000034aa); 4767 4768 if (sc->mac_ver >= 0x3070) { 4769 /* set delay of PA_PE assertion to 1us (unit of 0.25us) */ 4770 run_write(sc, RT2860_TX_SW_CFG0, 4771 4 << RT2860_DLY_PAPE_EN_SHIFT); 4772 } 4773 4774 /* wait while MAC is busy */ 4775 for (ntries = 0; ntries < 100; ntries++) { 4776 if (run_read(sc, RT2860_MAC_STATUS_REG, &tmp) != 0) 4777 goto fail; 4778 if (!(tmp & (RT2860_RX_STATUS_BUSY | RT2860_TX_STATUS_BUSY))) 4779 break; 4780 run_delay(sc, 10); 4781 } 4782 if (ntries == 100) 4783 goto fail; 4784 4785 /* clear Host to MCU mailbox */ 4786 run_write(sc, RT2860_H2M_BBPAGENT, 0); 4787 run_write(sc, RT2860_H2M_MAILBOX, 0); 4788 run_delay(sc, 10); 4789 4790 if (run_bbp_init(sc) != 0) { 4791 device_printf(sc->sc_dev, "could not initialize BBP\n"); 4792 goto fail; 4793 } 4794 4795 /* abort TSF synchronization */ 4796 run_read(sc, RT2860_BCN_TIME_CFG, &tmp); 4797 tmp &= ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN | 4798 RT2860_TBTT_TIMER_EN); 4799 run_write(sc, RT2860_BCN_TIME_CFG, tmp); 4800 4801 /* clear RX WCID search table */ 4802 run_set_region_4(sc, RT2860_WCID_ENTRY(0), 0, 512); 4803 /* clear WCID attribute table */ 4804 run_set_region_4(sc, RT2860_WCID_ATTR(0), 0, 8 * 32); 4805 4806 /* hostapd sets a key before init. So, don't clear it. */ 4807 if (sc->cmdq_key_set != RUN_CMDQ_GO) { 4808 /* clear shared key table */ 4809 run_set_region_4(sc, RT2860_SKEY(0, 0), 0, 8 * 32); 4810 /* clear shared key mode */ 4811 run_set_region_4(sc, RT2860_SKEY_MODE_0_7, 0, 4); 4812 } 4813 4814 run_read(sc, RT2860_US_CYC_CNT, &tmp); 4815 tmp = (tmp & ~0xff) | 0x1e; 4816 run_write(sc, RT2860_US_CYC_CNT, tmp); 4817 4818 if (sc->mac_rev != 0x0101) 4819 run_write(sc, RT2860_TXOP_CTRL_CFG, 0x0000583f); 4820 4821 run_write(sc, RT2860_WMM_TXOP0_CFG, 0); 4822 run_write(sc, RT2860_WMM_TXOP1_CFG, 48 << 16 | 96); 4823 4824 /* write vendor-specific BBP values (from EEPROM) */ 4825 for (i = 0; i < 10; i++) { 4826 if (sc->bbp[i].reg == 0 || sc->bbp[i].reg == 0xff) 4827 continue; 4828 run_bbp_write(sc, sc->bbp[i].reg, sc->bbp[i].val); 4829 } 4830 4831 /* select Main antenna for 1T1R devices */ 4832 if (sc->rf_rev == RT3070_RF_3020) 4833 run_set_rx_antenna(sc, 0); 4834 4835 /* send LEDs operating mode to microcontroller */ 4836 (void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED1, sc->led[0]); 4837 (void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED2, sc->led[1]); 4838 (void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED3, sc->led[2]); 4839 4840 if (sc->mac_ver >= 0x3070) 4841 run_rt3070_rf_init(sc); 4842 4843 /* disable non-existing Rx chains */ 4844 run_bbp_read(sc, 3, &bbp3); 4845 bbp3 &= ~(1 << 3 | 1 << 4); 4846 if (sc->nrxchains == 2) 4847 bbp3 |= 1 << 3; 4848 else if (sc->nrxchains == 3) 4849 bbp3 |= 1 << 4; 4850 run_bbp_write(sc, 3, bbp3); 4851 4852 /* disable non-existing Tx chains */ 4853 run_bbp_read(sc, 1, &bbp1); 4854 if (sc->ntxchains == 1) 4855 bbp1 &= ~(1 << 3 | 1 << 4); 4856 run_bbp_write(sc, 1, bbp1); 4857 4858 if (sc->mac_ver >= 0x3070) 4859 run_rt3070_rf_setup(sc); 4860 4861 /* select default channel */ 4862 run_set_chan(sc, ic->ic_curchan); 4863 4864 /* setup initial protection mode */ 4865 run_updateprot_cb(ic); 4866 4867 /* turn radio LED on */ 4868 run_set_leds(sc, RT2860_LED_RADIO); 4869 4870 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 4871 ifp->if_drv_flags |= IFF_DRV_RUNNING; 4872 sc->cmdq_run = RUN_CMDQ_GO; 4873 4874 for (i = 0; i != RUN_N_XFER; i++) 4875 usbd_xfer_set_stall(sc->sc_xfer[i]); 4876 4877 usbd_transfer_start(sc->sc_xfer[RUN_BULK_RX]); 4878 4879 if (run_txrx_enable(sc) != 0) 4880 goto fail; 4881 4882 return; 4883 4884 fail: 4885 run_stop(sc); 4886 } 4887 4888 static void 4889 run_init(void *arg) 4890 { 4891 struct run_softc *sc = arg; 4892 struct ifnet *ifp = sc->sc_ifp; 4893 struct ieee80211com *ic = ifp->if_l2com; 4894 4895 RUN_LOCK(sc); 4896 run_init_locked(sc); 4897 RUN_UNLOCK(sc); 4898 4899 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 4900 ieee80211_start_all(ic); 4901 } 4902 4903 static void 4904 run_stop(void *arg) 4905 { 4906 struct run_softc *sc = (struct run_softc *)arg; 4907 struct ifnet *ifp = sc->sc_ifp; 4908 uint32_t tmp; 4909 int i; 4910 int ntries; 4911 4912 RUN_LOCK_ASSERT(sc, MA_OWNED); 4913 4914 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 4915 run_set_leds(sc, 0); /* turn all LEDs off */ 4916 4917 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 4918 4919 sc->ratectl_run = RUN_RATECTL_OFF; 4920 sc->cmdq_run = sc->cmdq_key_set; 4921 4922 RUN_UNLOCK(sc); 4923 4924 for(i = 0; i < RUN_N_XFER; i++) 4925 usbd_transfer_drain(sc->sc_xfer[i]); 4926 4927 RUN_LOCK(sc); 4928 4929 if (sc->rx_m != NULL) { 4930 m_free(sc->rx_m); 4931 sc->rx_m = NULL; 4932 } 4933 4934 /* disable Tx/Rx */ 4935 run_read(sc, RT2860_MAC_SYS_CTRL, &tmp); 4936 tmp &= ~(RT2860_MAC_RX_EN | RT2860_MAC_TX_EN); 4937 run_write(sc, RT2860_MAC_SYS_CTRL, tmp); 4938 4939 /* wait for pending Tx to complete */ 4940 for (ntries = 0; ntries < 100; ntries++) { 4941 if (run_read(sc, RT2860_TXRXQ_PCNT, &tmp) != 0) { 4942 DPRINTF("Cannot read Tx queue count\n"); 4943 break; 4944 } 4945 if ((tmp & RT2860_TX2Q_PCNT_MASK) == 0) { 4946 DPRINTF("All Tx cleared\n"); 4947 break; 4948 } 4949 run_delay(sc, 10); 4950 } 4951 if (ntries >= 100) 4952 DPRINTF("There are still pending Tx\n"); 4953 run_delay(sc, 10); 4954 run_write(sc, RT2860_USB_DMA_CFG, 0); 4955 4956 run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_BBP_HRST | RT2860_MAC_SRST); 4957 run_write(sc, RT2860_MAC_SYS_CTRL, 0); 4958 4959 for (i = 0; i != RUN_EP_QUEUES; i++) 4960 run_unsetup_tx_list(sc, &sc->sc_epq[i]); 4961 4962 return; 4963 } 4964 4965 static void 4966 run_delay(struct run_softc *sc, unsigned int ms) 4967 { 4968 usb_pause_mtx(mtx_owned(&sc->sc_mtx) ? 4969 &sc->sc_mtx : NULL, USB_MS_TO_TICKS(ms)); 4970 } 4971 4972 static device_method_t run_methods[] = { 4973 /* Device interface */ 4974 DEVMETHOD(device_probe, run_match), 4975 DEVMETHOD(device_attach, run_attach), 4976 DEVMETHOD(device_detach, run_detach), 4977 DEVMETHOD_END 4978 }; 4979 4980 static driver_t run_driver = { 4981 .name = "run", 4982 .methods = run_methods, 4983 .size = sizeof(struct run_softc) 4984 }; 4985 4986 static devclass_t run_devclass; 4987 4988 DRIVER_MODULE(run, uhub, run_driver, run_devclass, NULL, 0); 4989 MODULE_DEPEND(run, wlan, 1, 1, 1); 4990 MODULE_DEPEND(run, usb, 1, 1, 1); 4991 MODULE_DEPEND(run, firmware, 1, 1, 1); 4992 MODULE_VERSION(run, 1); 4993