1 /* $OpenBSD: if_urtwn.c,v 1.103 2022/08/21 07:56:31 kevlo Exp $ */ 2 3 /*- 4 * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr> 5 * Copyright (c) 2014 Kevin Lo <kevlo@FreeBSD.org> 6 * Copyright (c) 2016 Nathanial Sloss <nathanialsloss@yahoo.com.au> 7 * 8 * Permission to use, copy, modify, and distribute this software for any 9 * purpose with or without fee is hereby granted, provided that the above 10 * copyright notice and this permission notice appear in all copies. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19 */ 20 21 /* 22 * Driver for Realtek RTL8188CE-VAU/RTL8188CUS/RTL8188EU/RTL8188RU/RTL8192CU/ 23 * RTL8192EU. 24 */ 25 26 #include "bpfilter.h" 27 28 #include <sys/param.h> 29 #include <sys/sockio.h> 30 #include <sys/mbuf.h> 31 #include <sys/kernel.h> 32 #include <sys/socket.h> 33 #include <sys/systm.h> 34 #include <sys/timeout.h> 35 #include <sys/conf.h> 36 #include <sys/device.h> 37 #include <sys/endian.h> 38 39 #include <machine/bus.h> 40 #include <machine/intr.h> 41 42 #if NBPFILTER > 0 43 #include <net/bpf.h> 44 #endif 45 #include <net/if.h> 46 #include <net/if_dl.h> 47 #include <net/if_media.h> 48 49 #include <netinet/in.h> 50 #include <netinet/if_ether.h> 51 52 #include <net80211/ieee80211_var.h> 53 #include <net80211/ieee80211_amrr.h> 54 #include <net80211/ieee80211_radiotap.h> 55 56 #include <dev/usb/usb.h> 57 #include <dev/usb/usbdi.h> 58 #include <dev/usb/usbdivar.h> 59 #include <dev/usb/usbdi_util.h> 60 #include <dev/usb/usbdevs.h> 61 62 #include <dev/ic/r92creg.h> 63 #include <dev/ic/rtwnvar.h> 64 65 /* Maximum number of output pipes is 3. */ 66 #define R92C_MAX_EPOUT 3 67 68 #define R92C_HQ_NPAGES 12 69 #define R92C_LQ_NPAGES 2 70 #define R92C_NQ_NPAGES 2 71 #define R92C_TXPKTBUF_COUNT 256 72 #define R92C_TX_PAGE_COUNT 248 73 #define R92C_TX_PAGE_BOUNDARY (R92C_TX_PAGE_COUNT + 1) 74 #define R92C_MAX_RX_DMA_SIZE 0x2800 75 76 #define R88E_HQ_NPAGES 0 77 #define R88E_LQ_NPAGES 9 78 #define R88E_NQ_NPAGES 0 79 #define R88E_TXPKTBUF_COUNT 177 80 #define R88E_TX_PAGE_COUNT 168 81 #define R88E_TX_PAGE_BOUNDARY (R88E_TX_PAGE_COUNT + 1) 82 #define R88E_MAX_RX_DMA_SIZE 0x2400 83 84 #define R92E_HQ_NPAGES 16 85 #define R92E_LQ_NPAGES 16 86 #define R92E_NQ_NPAGES 16 87 #define R92E_TX_PAGE_COUNT 248 88 #define R92E_TX_PAGE_BOUNDARY (R92E_TX_PAGE_COUNT + 1) 89 #define R92E_MAX_RX_DMA_SIZE 0x3fc0 90 91 #define R92C_TXDESC_SUMSIZE 32 92 #define R92C_TXDESC_SUMOFFSET 14 93 94 /* USB Requests. */ 95 #define R92C_REQ_REGS 0x05 96 97 /* 98 * Driver definitions. 99 */ 100 #define URTWN_RX_LIST_COUNT 1 101 #define URTWN_TX_LIST_COUNT 8 102 #define URTWN_HOST_CMD_RING_COUNT 32 103 104 #define URTWN_RXBUFSZ (16 * 1024) 105 #define URTWN_TXBUFSZ (sizeof(struct r92e_tx_desc_usb) + IEEE80211_MAX_LEN) 106 107 #define URTWN_RIDX_COUNT 28 108 109 #define URTWN_TX_TIMEOUT 5000 /* ms */ 110 111 #define URTWN_LED_LINK 0 112 #define URTWN_LED_DATA 1 113 114 struct urtwn_rx_radiotap_header { 115 struct ieee80211_radiotap_header wr_ihdr; 116 uint8_t wr_flags; 117 uint8_t wr_rate; 118 uint16_t wr_chan_freq; 119 uint16_t wr_chan_flags; 120 uint8_t wr_dbm_antsignal; 121 } __packed; 122 123 #define URTWN_RX_RADIOTAP_PRESENT \ 124 (1 << IEEE80211_RADIOTAP_FLAGS | \ 125 1 << IEEE80211_RADIOTAP_RATE | \ 126 1 << IEEE80211_RADIOTAP_CHANNEL | \ 127 1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) 128 129 struct urtwn_tx_radiotap_header { 130 struct ieee80211_radiotap_header wt_ihdr; 131 uint8_t wt_flags; 132 uint16_t wt_chan_freq; 133 uint16_t wt_chan_flags; 134 } __packed; 135 136 #define URTWN_TX_RADIOTAP_PRESENT \ 137 (1 << IEEE80211_RADIOTAP_FLAGS | \ 138 1 << IEEE80211_RADIOTAP_CHANNEL) 139 140 struct urtwn_softc; 141 142 struct urtwn_rx_data { 143 struct urtwn_softc *sc; 144 struct usbd_xfer *xfer; 145 uint8_t *buf; 146 }; 147 148 struct urtwn_tx_data { 149 struct urtwn_softc *sc; 150 struct usbd_pipe *pipe; 151 struct usbd_xfer *xfer; 152 uint8_t *buf; 153 TAILQ_ENTRY(urtwn_tx_data) next; 154 }; 155 156 struct urtwn_host_cmd { 157 void (*cb)(struct urtwn_softc *, void *); 158 uint8_t data[256]; 159 }; 160 161 struct urtwn_cmd_newstate { 162 enum ieee80211_state state; 163 int arg; 164 }; 165 166 struct urtwn_cmd_key { 167 struct ieee80211_key key; 168 struct ieee80211_node *ni; 169 }; 170 171 struct urtwn_host_cmd_ring { 172 struct urtwn_host_cmd cmd[URTWN_HOST_CMD_RING_COUNT]; 173 int cur; 174 int next; 175 int queued; 176 }; 177 178 struct urtwn_softc { 179 struct device sc_dev; 180 struct rtwn_softc sc_sc; 181 182 struct usbd_device *sc_udev; 183 struct usbd_interface *sc_iface; 184 struct usb_task sc_task; 185 186 struct timeout scan_to; 187 struct timeout calib_to; 188 189 int ntx; 190 struct usbd_pipe *rx_pipe; 191 struct usbd_pipe *tx_pipe[R92C_MAX_EPOUT]; 192 int ac2idx[EDCA_NUM_AC]; 193 194 struct urtwn_host_cmd_ring cmdq; 195 struct urtwn_rx_data rx_data[URTWN_RX_LIST_COUNT]; 196 struct urtwn_tx_data tx_data[URTWN_TX_LIST_COUNT]; 197 TAILQ_HEAD(, urtwn_tx_data) tx_free_list; 198 199 struct ieee80211_amrr amrr; 200 struct ieee80211_amrr_node amn; 201 202 #if NBPFILTER > 0 203 caddr_t sc_drvbpf; 204 205 union { 206 struct urtwn_rx_radiotap_header th; 207 uint8_t pad[64]; 208 } sc_rxtapu; 209 #define sc_rxtap sc_rxtapu.th 210 int sc_rxtap_len; 211 212 union { 213 struct urtwn_tx_radiotap_header th; 214 uint8_t pad[64]; 215 } sc_txtapu; 216 #define sc_txtap sc_txtapu.th 217 int sc_txtap_len; 218 #endif 219 int sc_key_tasks; 220 }; 221 222 #ifdef URTWN_DEBUG 223 #define DPRINTF(x) do { if (urtwn_debug) printf x; } while (0) 224 #define DPRINTFN(n, x) do { if (urtwn_debug >= (n)) printf x; } while (0) 225 int urtwn_debug = 4; 226 #else 227 #define DPRINTF(x) 228 #define DPRINTFN(n, x) 229 #endif 230 231 /* 232 * Various supported device vendors/products. 233 */ 234 #define URTWN_DEV(v, p, f) \ 235 { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, (f) | RTWN_CHIP_USB } 236 #define URTWN_DEV_8192CU(v, p) URTWN_DEV(v, p, RTWN_CHIP_92C | RTWN_CHIP_88C) 237 #define URTWN_DEV_8188EU(v, p) URTWN_DEV(v, p, RTWN_CHIP_88E) 238 #define URTWN_DEV_8192EU(v, p) URTWN_DEV(v, p, RTWN_CHIP_92E) 239 static const struct urtwn_type { 240 struct usb_devno dev; 241 uint32_t chip; 242 } urtwn_devs[] = { 243 URTWN_DEV_8192CU(ABOCOM, RTL8188CU_1), 244 URTWN_DEV_8192CU(ABOCOM, RTL8188CU_1), 245 URTWN_DEV_8192CU(ABOCOM, RTL8188CU_2), 246 URTWN_DEV_8192CU(ABOCOM, RTL8192CU), 247 URTWN_DEV_8192CU(ASUS, RTL8192CU), 248 URTWN_DEV_8192CU(ASUS, RTL8192CU_2), 249 URTWN_DEV_8192CU(ASUS, RTL8192CU_3), 250 URTWN_DEV_8192CU(AZUREWAVE, RTL8188CE_1), 251 URTWN_DEV_8192CU(AZUREWAVE, RTL8188CE_2), 252 URTWN_DEV_8192CU(AZUREWAVE, RTL8188CU), 253 URTWN_DEV_8192CU(BELKIN, F7D2102), 254 URTWN_DEV_8192CU(BELKIN, F9L1004V1), 255 URTWN_DEV_8192CU(BELKIN, RTL8188CU), 256 URTWN_DEV_8192CU(BELKIN, RTL8188CUS), 257 URTWN_DEV_8192CU(BELKIN, RTL8192CU), 258 URTWN_DEV_8192CU(BELKIN, RTL8192CU_1), 259 URTWN_DEV_8192CU(CHICONY, RTL8188CUS_1), 260 URTWN_DEV_8192CU(CHICONY, RTL8188CUS_2), 261 URTWN_DEV_8192CU(CHICONY, RTL8188CUS_3), 262 URTWN_DEV_8192CU(CHICONY, RTL8188CUS_4), 263 URTWN_DEV_8192CU(CHICONY, RTL8188CUS_5), 264 URTWN_DEV_8192CU(CHICONY, RTL8188CUS_6), 265 URTWN_DEV_8192CU(COMPARE, RTL8192CU), 266 URTWN_DEV_8192CU(COREGA, RTL8192CU), 267 URTWN_DEV_8192CU(DLINK, DWA131B), 268 URTWN_DEV_8192CU(DLINK, RTL8188CU), 269 URTWN_DEV_8192CU(DLINK, RTL8192CU_1), 270 URTWN_DEV_8192CU(DLINK, RTL8192CU_2), 271 URTWN_DEV_8192CU(DLINK, RTL8192CU_3), 272 URTWN_DEV_8192CU(DLINK, RTL8192CU_4), 273 URTWN_DEV_8192CU(EDIMAX, EW7811UN), 274 URTWN_DEV_8192CU(EDIMAX, RTL8192CU), 275 URTWN_DEV_8192CU(FEIXUN, RTL8188CU), 276 URTWN_DEV_8192CU(FEIXUN, RTL8192CU), 277 URTWN_DEV_8192CU(GUILLEMOT, HWNUP150), 278 URTWN_DEV_8192CU(GUILLEMOT, RTL8192CU), 279 URTWN_DEV_8192CU(HAWKING, RTL8192CU), 280 URTWN_DEV_8192CU(HAWKING, RTL8192CU_2), 281 URTWN_DEV_8192CU(HP3, RTL8188CU), 282 URTWN_DEV_8192CU(IODATA, WNG150UM), 283 URTWN_DEV_8192CU(IODATA, RTL8192CU), 284 URTWN_DEV_8192CU(NETGEAR, N300MA), 285 URTWN_DEV_8192CU(NETGEAR, WNA1000M), 286 URTWN_DEV_8192CU(NETGEAR, WNA1000MV2), 287 URTWN_DEV_8192CU(NETGEAR, RTL8192CU), 288 URTWN_DEV_8192CU(NETGEAR4, RTL8188CU), 289 URTWN_DEV_8192CU(NETWEEN, RTL8192CU), 290 URTWN_DEV_8192CU(NOVATECH, RTL8188CU), 291 URTWN_DEV_8192CU(PLANEX2, RTL8188CU_1), 292 URTWN_DEV_8192CU(PLANEX2, RTL8188CU_2), 293 URTWN_DEV_8192CU(PLANEX2, RTL8188CU_3), 294 URTWN_DEV_8192CU(PLANEX2, RTL8188CU_4), 295 URTWN_DEV_8192CU(PLANEX2, RTL8188CUS), 296 URTWN_DEV_8192CU(PLANEX2, RTL8192CU), 297 URTWN_DEV_8192CU(REALTEK, RTL8188CE_0), 298 URTWN_DEV_8192CU(REALTEK, RTL8188CE_1), 299 URTWN_DEV_8192CU(REALTEK, RTL8188CTV), 300 URTWN_DEV_8192CU(REALTEK, RTL8188CU_0), 301 URTWN_DEV_8192CU(REALTEK, RTL8188CU_1), 302 URTWN_DEV_8192CU(REALTEK, RTL8188CU_2), 303 URTWN_DEV_8192CU(REALTEK, RTL8188CU_3), 304 URTWN_DEV_8192CU(REALTEK, RTL8188CU_4), 305 URTWN_DEV_8192CU(REALTEK, RTL8188CU_5), 306 URTWN_DEV_8192CU(REALTEK, RTL8188CU_COMBO), 307 URTWN_DEV_8192CU(REALTEK, RTL8188CUS), 308 URTWN_DEV_8192CU(REALTEK, RTL8188RU), 309 URTWN_DEV_8192CU(REALTEK, RTL8188RU_2), 310 URTWN_DEV_8192CU(REALTEK, RTL8188RU_3), 311 URTWN_DEV_8192CU(REALTEK, RTL8191CU), 312 URTWN_DEV_8192CU(REALTEK, RTL8192CE), 313 URTWN_DEV_8192CU(REALTEK, RTL8192CE_VAU), 314 URTWN_DEV_8192CU(REALTEK, RTL8192CU), 315 URTWN_DEV_8192CU(SITECOMEU, RTL8188CU), 316 URTWN_DEV_8192CU(SITECOMEU, RTL8188CU_2), 317 URTWN_DEV_8192CU(SITECOMEU, RTL8192CU), 318 URTWN_DEV_8192CU(SITECOMEU, RTL8192CU_2), 319 URTWN_DEV_8192CU(SITECOMEU, WLA2100V2), 320 URTWN_DEV_8192CU(TPLINK, RTL8192CU), 321 URTWN_DEV_8192CU(TRENDNET, RTL8188CU), 322 URTWN_DEV_8192CU(TRENDNET, RTL8192CU), 323 URTWN_DEV_8192CU(ZYXEL, RTL8192CU), 324 /* URTWN_RTL8188E */ 325 URTWN_DEV_8188EU(ABOCOM, RTL8188EU), 326 URTWN_DEV_8188EU(DLINK, DWA121B1), 327 URTWN_DEV_8188EU(DLINK, DWA123D1), 328 URTWN_DEV_8188EU(DLINK, DWA125D1), 329 URTWN_DEV_8188EU(EDIMAX, EW7811UNV2), 330 URTWN_DEV_8188EU(ELECOM, WDC150SU2M), 331 URTWN_DEV_8188EU(REALTEK, RTL8188ETV), 332 URTWN_DEV_8188EU(REALTEK, RTL8188EU), 333 URTWN_DEV_8188EU(TPLINK, RTL8188EUS), 334 URTWN_DEV_8188EU(ASUS, RTL8188EUS), 335 336 /* URTWN_RTL8192EU */ 337 URTWN_DEV_8192EU(DLINK, DWA131E1), 338 URTWN_DEV_8192EU(REALTEK, RTL8192EU), 339 URTWN_DEV_8192EU(TPLINK, RTL8192EU), 340 URTWN_DEV_8192EU(TPLINK, RTL8192EU_2), 341 URTWN_DEV_8192EU(TPLINK, RTL8192EU_3) 342 }; 343 344 #define urtwn_lookup(v, p) \ 345 ((const struct urtwn_type *)usb_lookup(urtwn_devs, v, p)) 346 347 int urtwn_match(struct device *, void *, void *); 348 void urtwn_attach(struct device *, struct device *, void *); 349 int urtwn_detach(struct device *, int); 350 int urtwn_open_pipes(struct urtwn_softc *); 351 void urtwn_close_pipes(struct urtwn_softc *); 352 int urtwn_alloc_rx_list(struct urtwn_softc *); 353 void urtwn_free_rx_list(struct urtwn_softc *); 354 int urtwn_alloc_tx_list(struct urtwn_softc *); 355 void urtwn_free_tx_list(struct urtwn_softc *); 356 void urtwn_task(void *); 357 void urtwn_do_async(struct urtwn_softc *, 358 void (*)(struct urtwn_softc *, void *), void *, int); 359 void urtwn_wait_async(void *); 360 int urtwn_write_region_1(struct urtwn_softc *, uint16_t, uint8_t *, 361 int); 362 void urtwn_write_1(void *, uint16_t, uint8_t); 363 void urtwn_write_2(void *, uint16_t, uint16_t); 364 void urtwn_write_4(void *, uint16_t, uint32_t); 365 int urtwn_read_region_1(struct urtwn_softc *, uint16_t, uint8_t *, 366 int); 367 uint8_t urtwn_read_1(void *, uint16_t); 368 uint16_t urtwn_read_2(void *, uint16_t); 369 uint32_t urtwn_read_4(void *, uint16_t); 370 int urtwn_llt_write(struct urtwn_softc *, uint32_t, uint32_t); 371 void urtwn_calib_to(void *); 372 void urtwn_calib_cb(struct urtwn_softc *, void *); 373 void urtwn_scan_to(void *); 374 void urtwn_next_scan(void *); 375 void urtwn_cancel_scan(void *); 376 int urtwn_newstate(struct ieee80211com *, enum ieee80211_state, 377 int); 378 void urtwn_newstate_cb(struct urtwn_softc *, void *); 379 void urtwn_updateslot(struct ieee80211com *); 380 void urtwn_updateslot_cb(struct urtwn_softc *, void *); 381 void urtwn_updateedca(struct ieee80211com *); 382 void urtwn_updateedca_cb(struct urtwn_softc *, void *); 383 int urtwn_set_key(struct ieee80211com *, struct ieee80211_node *, 384 struct ieee80211_key *); 385 void urtwn_set_key_cb(struct urtwn_softc *, void *); 386 void urtwn_delete_key(struct ieee80211com *, 387 struct ieee80211_node *, struct ieee80211_key *); 388 void urtwn_delete_key_cb(struct urtwn_softc *, void *); 389 void urtwn_rx_frame(struct urtwn_softc *, uint8_t *, int, 390 struct mbuf_list *); 391 void urtwn_rxeof(struct usbd_xfer *, void *, 392 usbd_status); 393 void urtwn_txeof(struct usbd_xfer *, void *, 394 usbd_status); 395 int urtwn_tx(void *, struct mbuf *, struct ieee80211_node *); 396 int urtwn_ioctl(struct ifnet *, u_long, caddr_t); 397 int urtwn_power_on(void *); 398 int urtwn_alloc_buffers(void *); 399 int urtwn_r92c_power_on(struct urtwn_softc *); 400 int urtwn_r92e_power_on(struct urtwn_softc *); 401 int urtwn_r88e_power_on(struct urtwn_softc *); 402 int urtwn_llt_init(struct urtwn_softc *, int); 403 int urtwn_fw_loadpage(void *, int, uint8_t *, int); 404 int urtwn_load_firmware(void *, u_char **, size_t *); 405 int urtwn_dma_init(void *); 406 void urtwn_aggr_init(void *); 407 void urtwn_mac_init(void *); 408 void urtwn_bb_init(void *); 409 void urtwn_burstlen_init(struct urtwn_softc *); 410 int urtwn_init(void *); 411 void urtwn_stop(void *); 412 int urtwn_is_oactive(void *); 413 void urtwn_next_calib(void *); 414 void urtwn_cancel_calib(void *); 415 416 /* Aliases. */ 417 #define urtwn_bb_write urtwn_write_4 418 #define urtwn_bb_read urtwn_read_4 419 420 struct cfdriver urtwn_cd = { 421 NULL, "urtwn", DV_IFNET 422 }; 423 424 const struct cfattach urtwn_ca = { 425 sizeof(struct urtwn_softc), urtwn_match, urtwn_attach, urtwn_detach 426 }; 427 428 int 429 urtwn_match(struct device *parent, void *match, void *aux) 430 { 431 struct usb_attach_arg *uaa = aux; 432 433 if (uaa->iface == NULL || uaa->configno != 1) 434 return (UMATCH_NONE); 435 436 return ((urtwn_lookup(uaa->vendor, uaa->product) != NULL) ? 437 UMATCH_VENDOR_PRODUCT_CONF_IFACE : UMATCH_NONE); 438 } 439 440 void 441 urtwn_attach(struct device *parent, struct device *self, void *aux) 442 { 443 struct urtwn_softc *sc = (struct urtwn_softc *)self; 444 struct usb_attach_arg *uaa = aux; 445 struct ifnet *ifp; 446 struct ieee80211com *ic = &sc->sc_sc.sc_ic; 447 448 sc->sc_udev = uaa->device; 449 sc->sc_iface = uaa->iface; 450 451 sc->sc_sc.chip = urtwn_lookup(uaa->vendor, uaa->product)->chip; 452 453 usb_init_task(&sc->sc_task, urtwn_task, sc, USB_TASK_TYPE_GENERIC); 454 timeout_set(&sc->scan_to, urtwn_scan_to, sc); 455 timeout_set(&sc->calib_to, urtwn_calib_to, sc); 456 if (urtwn_open_pipes(sc) != 0) 457 return; 458 459 sc->amrr.amrr_min_success_threshold = 1; 460 sc->amrr.amrr_max_success_threshold = 10; 461 462 /* Attach the bus-agnostic driver. */ 463 sc->sc_sc.sc_ops.cookie = sc; 464 sc->sc_sc.sc_ops.write_1 = urtwn_write_1; 465 sc->sc_sc.sc_ops.write_2 = urtwn_write_2; 466 sc->sc_sc.sc_ops.write_4 = urtwn_write_4; 467 sc->sc_sc.sc_ops.read_1 = urtwn_read_1; 468 sc->sc_sc.sc_ops.read_2 = urtwn_read_2; 469 sc->sc_sc.sc_ops.read_4 = urtwn_read_4; 470 sc->sc_sc.sc_ops.tx = urtwn_tx; 471 sc->sc_sc.sc_ops.power_on = urtwn_power_on; 472 sc->sc_sc.sc_ops.dma_init = urtwn_dma_init; 473 sc->sc_sc.sc_ops.fw_loadpage = urtwn_fw_loadpage; 474 sc->sc_sc.sc_ops.load_firmware = urtwn_load_firmware; 475 sc->sc_sc.sc_ops.aggr_init = urtwn_aggr_init; 476 sc->sc_sc.sc_ops.mac_init = urtwn_mac_init; 477 sc->sc_sc.sc_ops.bb_init = urtwn_bb_init; 478 sc->sc_sc.sc_ops.alloc_buffers = urtwn_alloc_buffers; 479 sc->sc_sc.sc_ops.init = urtwn_init; 480 sc->sc_sc.sc_ops.stop = urtwn_stop; 481 sc->sc_sc.sc_ops.is_oactive = urtwn_is_oactive; 482 sc->sc_sc.sc_ops.next_calib = urtwn_next_calib; 483 sc->sc_sc.sc_ops.cancel_calib = urtwn_cancel_calib; 484 sc->sc_sc.sc_ops.next_scan = urtwn_next_scan; 485 sc->sc_sc.sc_ops.cancel_scan = urtwn_cancel_scan; 486 sc->sc_sc.sc_ops.wait_async = urtwn_wait_async; 487 if (rtwn_attach(&sc->sc_dev, &sc->sc_sc) != 0) { 488 urtwn_close_pipes(sc); 489 return; 490 } 491 492 /* ifp is now valid */ 493 ifp = &sc->sc_sc.sc_ic.ic_if; 494 ifp->if_ioctl = urtwn_ioctl; 495 496 ic->ic_updateslot = urtwn_updateslot; 497 ic->ic_updateedca = urtwn_updateedca; 498 ic->ic_set_key = urtwn_set_key; 499 ic->ic_delete_key = urtwn_delete_key; 500 /* Override state transition machine. */ 501 ic->ic_newstate = urtwn_newstate; 502 503 #if NBPFILTER > 0 504 bpfattach(&sc->sc_drvbpf, ifp, DLT_IEEE802_11_RADIO, 505 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN); 506 507 sc->sc_rxtap_len = sizeof(sc->sc_rxtapu); 508 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 509 sc->sc_rxtap.wr_ihdr.it_present = htole32(URTWN_RX_RADIOTAP_PRESENT); 510 511 sc->sc_txtap_len = sizeof(sc->sc_txtapu); 512 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 513 sc->sc_txtap.wt_ihdr.it_present = htole32(URTWN_TX_RADIOTAP_PRESENT); 514 #endif 515 } 516 517 int 518 urtwn_detach(struct device *self, int flags) 519 { 520 struct urtwn_softc *sc = (struct urtwn_softc *)self; 521 int s; 522 523 s = splusb(); 524 525 if (timeout_initialized(&sc->scan_to)) 526 timeout_del(&sc->scan_to); 527 if (timeout_initialized(&sc->calib_to)) 528 timeout_del(&sc->calib_to); 529 530 /* Wait for all async commands to complete. */ 531 usb_rem_wait_task(sc->sc_udev, &sc->sc_task); 532 533 usbd_ref_wait(sc->sc_udev); 534 535 rtwn_detach(&sc->sc_sc, flags); 536 537 /* Abort and close Tx/Rx pipes. */ 538 urtwn_close_pipes(sc); 539 540 /* Free Tx/Rx buffers. */ 541 urtwn_free_tx_list(sc); 542 urtwn_free_rx_list(sc); 543 splx(s); 544 545 return (0); 546 } 547 548 int 549 urtwn_open_pipes(struct urtwn_softc *sc) 550 { 551 /* Bulk-out endpoints addresses (from highest to lowest prio). */ 552 uint8_t epaddr[R92C_MAX_EPOUT] = { 0, 0, 0 }; 553 uint8_t rx_no; 554 usb_interface_descriptor_t *id; 555 usb_endpoint_descriptor_t *ed; 556 int i, error, nrx = 0; 557 558 /* Find all bulk endpoints. */ 559 id = usbd_get_interface_descriptor(sc->sc_iface); 560 for (i = 0; i < id->bNumEndpoints; i++) { 561 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 562 if (ed == NULL || UE_GET_XFERTYPE(ed->bmAttributes) != UE_BULK) 563 continue; 564 565 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) { 566 rx_no = ed->bEndpointAddress; 567 nrx++; 568 } else { 569 if (sc->ntx < R92C_MAX_EPOUT) 570 epaddr[sc->ntx] = ed->bEndpointAddress; 571 sc->ntx++; 572 } 573 } 574 if (nrx == 0) { 575 printf("%s: %d: invalid number of Rx bulk pipes\n", 576 sc->sc_dev.dv_xname, nrx); 577 return (EIO); 578 } 579 DPRINTF(("found %d bulk-out pipes\n", sc->ntx)); 580 if (sc->ntx == 0 || sc->ntx > R92C_MAX_EPOUT) { 581 printf("%s: %d: invalid number of Tx bulk pipes\n", 582 sc->sc_dev.dv_xname, sc->ntx); 583 return (EIO); 584 } 585 586 /* Open bulk-in pipe. */ 587 error = usbd_open_pipe(sc->sc_iface, rx_no, 0, &sc->rx_pipe); 588 if (error != 0) { 589 printf("%s: could not open Rx bulk pipe\n", 590 sc->sc_dev.dv_xname); 591 goto fail; 592 } 593 594 /* Open bulk-out pipes (up to 3). */ 595 for (i = 0; i < sc->ntx; i++) { 596 error = usbd_open_pipe(sc->sc_iface, epaddr[i], 0, 597 &sc->tx_pipe[i]); 598 if (error != 0) { 599 printf("%s: could not open Tx bulk pipe 0x%02x\n", 600 sc->sc_dev.dv_xname, epaddr[i]); 601 goto fail; 602 } 603 } 604 605 /* Map 802.11 access categories to USB pipes. */ 606 sc->ac2idx[EDCA_AC_BK] = 607 sc->ac2idx[EDCA_AC_BE] = (sc->ntx == 3) ? 2 : ((sc->ntx == 2) ? 1 : 0); 608 sc->ac2idx[EDCA_AC_VI] = (sc->ntx == 3) ? 1 : 0; 609 sc->ac2idx[EDCA_AC_VO] = 0; /* Always use highest prio. */ 610 611 if (error != 0) 612 fail: urtwn_close_pipes(sc); 613 return (error); 614 } 615 616 void 617 urtwn_close_pipes(struct urtwn_softc *sc) 618 { 619 int i; 620 621 /* Close Rx pipe. */ 622 if (sc->rx_pipe != NULL) { 623 usbd_close_pipe(sc->rx_pipe); 624 sc->rx_pipe = NULL; 625 } 626 /* Close Tx pipes. */ 627 for (i = 0; i < R92C_MAX_EPOUT; i++) { 628 if (sc->tx_pipe[i] == NULL) 629 continue; 630 usbd_close_pipe(sc->tx_pipe[i]); 631 sc->tx_pipe[i] = NULL; 632 } 633 } 634 635 int 636 urtwn_alloc_rx_list(struct urtwn_softc *sc) 637 { 638 struct urtwn_rx_data *data; 639 int i, error = 0; 640 641 for (i = 0; i < URTWN_RX_LIST_COUNT; i++) { 642 data = &sc->rx_data[i]; 643 644 data->sc = sc; /* Backpointer for callbacks. */ 645 646 data->xfer = usbd_alloc_xfer(sc->sc_udev); 647 if (data->xfer == NULL) { 648 printf("%s: could not allocate xfer\n", 649 sc->sc_dev.dv_xname); 650 error = ENOMEM; 651 break; 652 } 653 data->buf = usbd_alloc_buffer(data->xfer, URTWN_RXBUFSZ); 654 if (data->buf == NULL) { 655 printf("%s: could not allocate xfer buffer\n", 656 sc->sc_dev.dv_xname); 657 error = ENOMEM; 658 break; 659 } 660 } 661 if (error != 0) 662 urtwn_free_rx_list(sc); 663 return (error); 664 } 665 666 void 667 urtwn_free_rx_list(struct urtwn_softc *sc) 668 { 669 int i; 670 671 /* NB: Caller must abort pipe first. */ 672 for (i = 0; i < URTWN_RX_LIST_COUNT; i++) { 673 if (sc->rx_data[i].xfer != NULL) 674 usbd_free_xfer(sc->rx_data[i].xfer); 675 sc->rx_data[i].xfer = NULL; 676 } 677 } 678 679 int 680 urtwn_alloc_tx_list(struct urtwn_softc *sc) 681 { 682 struct urtwn_tx_data *data; 683 int i, error = 0; 684 685 TAILQ_INIT(&sc->tx_free_list); 686 for (i = 0; i < URTWN_TX_LIST_COUNT; i++) { 687 data = &sc->tx_data[i]; 688 689 data->sc = sc; /* Backpointer for callbacks. */ 690 691 data->xfer = usbd_alloc_xfer(sc->sc_udev); 692 if (data->xfer == NULL) { 693 printf("%s: could not allocate xfer\n", 694 sc->sc_dev.dv_xname); 695 error = ENOMEM; 696 break; 697 } 698 data->buf = usbd_alloc_buffer(data->xfer, URTWN_TXBUFSZ); 699 if (data->buf == NULL) { 700 printf("%s: could not allocate xfer buffer\n", 701 sc->sc_dev.dv_xname); 702 error = ENOMEM; 703 break; 704 } 705 /* Append this Tx buffer to our free list. */ 706 TAILQ_INSERT_TAIL(&sc->tx_free_list, data, next); 707 } 708 if (error != 0) 709 urtwn_free_tx_list(sc); 710 return (error); 711 } 712 713 void 714 urtwn_free_tx_list(struct urtwn_softc *sc) 715 { 716 int i; 717 718 /* NB: Caller must abort pipe first. */ 719 for (i = 0; i < URTWN_TX_LIST_COUNT; i++) { 720 if (sc->tx_data[i].xfer != NULL) 721 usbd_free_xfer(sc->tx_data[i].xfer); 722 sc->tx_data[i].xfer = NULL; 723 } 724 } 725 726 void 727 urtwn_task(void *arg) 728 { 729 struct urtwn_softc *sc = arg; 730 struct urtwn_host_cmd_ring *ring = &sc->cmdq; 731 struct urtwn_host_cmd *cmd; 732 int s; 733 734 /* Process host commands. */ 735 s = splusb(); 736 while (ring->next != ring->cur) { 737 cmd = &ring->cmd[ring->next]; 738 splx(s); 739 /* Invoke callback. */ 740 cmd->cb(sc, cmd->data); 741 s = splusb(); 742 ring->queued--; 743 ring->next = (ring->next + 1) % URTWN_HOST_CMD_RING_COUNT; 744 } 745 splx(s); 746 } 747 748 void 749 urtwn_do_async(struct urtwn_softc *sc, 750 void (*cb)(struct urtwn_softc *, void *), void *arg, int len) 751 { 752 struct urtwn_host_cmd_ring *ring = &sc->cmdq; 753 struct urtwn_host_cmd *cmd; 754 int s; 755 756 s = splusb(); 757 cmd = &ring->cmd[ring->cur]; 758 cmd->cb = cb; 759 KASSERT(len <= sizeof(cmd->data)); 760 memcpy(cmd->data, arg, len); 761 ring->cur = (ring->cur + 1) % URTWN_HOST_CMD_RING_COUNT; 762 763 /* If there is no pending command already, schedule a task. */ 764 if (++ring->queued == 1) 765 usb_add_task(sc->sc_udev, &sc->sc_task); 766 splx(s); 767 } 768 769 void 770 urtwn_wait_async(void *cookie) 771 { 772 struct urtwn_softc *sc = cookie; 773 int s; 774 775 s = splusb(); 776 /* Wait for all queued asynchronous commands to complete. */ 777 usb_wait_task(sc->sc_udev, &sc->sc_task); 778 splx(s); 779 } 780 781 int 782 urtwn_write_region_1(struct urtwn_softc *sc, uint16_t addr, uint8_t *buf, 783 int len) 784 { 785 usb_device_request_t req; 786 787 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 788 req.bRequest = R92C_REQ_REGS; 789 USETW(req.wValue, addr); 790 USETW(req.wIndex, 0); 791 USETW(req.wLength, len); 792 return (usbd_do_request(sc->sc_udev, &req, buf)); 793 } 794 795 void 796 urtwn_write_1(void *cookie, uint16_t addr, uint8_t val) 797 { 798 struct urtwn_softc *sc = cookie; 799 800 urtwn_write_region_1(sc, addr, &val, 1); 801 } 802 803 void 804 urtwn_write_2(void *cookie, uint16_t addr, uint16_t val) 805 { 806 struct urtwn_softc *sc = cookie; 807 808 val = htole16(val); 809 urtwn_write_region_1(sc, addr, (uint8_t *)&val, 2); 810 } 811 812 void 813 urtwn_write_4(void *cookie, uint16_t addr, uint32_t val) 814 { 815 struct urtwn_softc *sc = cookie; 816 817 val = htole32(val); 818 urtwn_write_region_1(sc, addr, (uint8_t *)&val, 4); 819 } 820 821 int 822 urtwn_read_region_1(struct urtwn_softc *sc, uint16_t addr, uint8_t *buf, 823 int len) 824 { 825 usb_device_request_t req; 826 827 req.bmRequestType = UT_READ_VENDOR_DEVICE; 828 req.bRequest = R92C_REQ_REGS; 829 USETW(req.wValue, addr); 830 USETW(req.wIndex, 0); 831 USETW(req.wLength, len); 832 return (usbd_do_request(sc->sc_udev, &req, buf)); 833 } 834 835 uint8_t 836 urtwn_read_1(void *cookie, uint16_t addr) 837 { 838 struct urtwn_softc *sc = cookie; 839 uint8_t val; 840 841 if (urtwn_read_region_1(sc, addr, &val, 1) != 0) 842 return (0xff); 843 return (val); 844 } 845 846 uint16_t 847 urtwn_read_2(void *cookie, uint16_t addr) 848 { 849 struct urtwn_softc *sc = cookie; 850 uint16_t val; 851 852 if (urtwn_read_region_1(sc, addr, (uint8_t *)&val, 2) != 0) 853 return (0xffff); 854 return (letoh16(val)); 855 } 856 857 uint32_t 858 urtwn_read_4(void *cookie, uint16_t addr) 859 { 860 struct urtwn_softc *sc = cookie; 861 uint32_t val; 862 863 if (urtwn_read_region_1(sc, addr, (uint8_t *)&val, 4) != 0) 864 return (0xffffffff); 865 return (letoh32(val)); 866 } 867 868 int 869 urtwn_llt_write(struct urtwn_softc *sc, uint32_t addr, uint32_t data) 870 { 871 int ntries; 872 873 urtwn_write_4(sc, R92C_LLT_INIT, 874 SM(R92C_LLT_INIT_OP, R92C_LLT_INIT_OP_WRITE) | 875 SM(R92C_LLT_INIT_ADDR, addr) | 876 SM(R92C_LLT_INIT_DATA, data)); 877 /* Wait for write operation to complete. */ 878 for (ntries = 0; ntries < 20; ntries++) { 879 if (MS(urtwn_read_4(sc, R92C_LLT_INIT), R92C_LLT_INIT_OP) == 880 R92C_LLT_INIT_OP_NO_ACTIVE) 881 return (0); 882 DELAY(5); 883 } 884 return (ETIMEDOUT); 885 } 886 887 void 888 urtwn_calib_to(void *arg) 889 { 890 struct urtwn_softc *sc = arg; 891 892 if (usbd_is_dying(sc->sc_udev)) 893 return; 894 895 usbd_ref_incr(sc->sc_udev); 896 897 /* Do it in a process context. */ 898 urtwn_do_async(sc, urtwn_calib_cb, NULL, 0); 899 900 usbd_ref_decr(sc->sc_udev); 901 } 902 903 /* ARGSUSED */ 904 void 905 urtwn_calib_cb(struct urtwn_softc *sc, void *arg) 906 { 907 struct ieee80211com *ic = &sc->sc_sc.sc_ic; 908 int s; 909 910 s = splnet(); 911 if (ic->ic_opmode == IEEE80211_M_STA) { 912 ieee80211_amrr_choose(&sc->amrr, ic->ic_bss, &sc->amn); 913 } 914 splx(s); 915 916 rtwn_calib(&sc->sc_sc); 917 } 918 919 void 920 urtwn_next_calib(void *cookie) 921 { 922 struct urtwn_softc *sc = cookie; 923 924 if (!usbd_is_dying(sc->sc_udev)) 925 timeout_add_sec(&sc->calib_to, 2); 926 } 927 928 void 929 urtwn_cancel_calib(void *cookie) 930 { 931 struct urtwn_softc *sc = cookie; 932 933 if (timeout_initialized(&sc->calib_to)) 934 timeout_del(&sc->calib_to); 935 } 936 937 void 938 urtwn_scan_to(void *arg) 939 { 940 struct urtwn_softc *sc = arg; 941 942 if (usbd_is_dying(sc->sc_udev)) 943 return; 944 945 usbd_ref_incr(sc->sc_udev); 946 rtwn_next_scan(&sc->sc_sc); 947 usbd_ref_decr(sc->sc_udev); 948 } 949 950 void 951 urtwn_next_scan(void *arg) 952 { 953 struct urtwn_softc *sc = arg; 954 955 if (!usbd_is_dying(sc->sc_udev)) 956 timeout_add_msec(&sc->scan_to, 200); 957 } 958 959 void 960 urtwn_cancel_scan(void *cookie) 961 { 962 struct urtwn_softc *sc = cookie; 963 964 if (timeout_initialized(&sc->scan_to)) 965 timeout_del(&sc->scan_to); 966 } 967 968 int 969 urtwn_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 970 { 971 struct rtwn_softc *sc_sc = ic->ic_softc; 972 struct device *self = sc_sc->sc_pdev; 973 struct urtwn_softc *sc = (struct urtwn_softc *)self; 974 struct urtwn_cmd_newstate cmd; 975 976 /* Do it in a process context. */ 977 cmd.state = nstate; 978 cmd.arg = arg; 979 urtwn_do_async(sc, urtwn_newstate_cb, &cmd, sizeof(cmd)); 980 return (0); 981 } 982 983 void 984 urtwn_newstate_cb(struct urtwn_softc *sc, void *arg) 985 { 986 struct urtwn_cmd_newstate *cmd = arg; 987 struct ieee80211com *ic = &sc->sc_sc.sc_ic; 988 989 rtwn_newstate(ic, cmd->state, cmd->arg); 990 } 991 992 void 993 urtwn_updateslot(struct ieee80211com *ic) 994 { 995 struct rtwn_softc *sc_sc = ic->ic_softc; 996 struct device *self = sc_sc->sc_pdev; 997 struct urtwn_softc *sc = (struct urtwn_softc *)self; 998 999 /* Do it in a process context. */ 1000 urtwn_do_async(sc, urtwn_updateslot_cb, NULL, 0); 1001 } 1002 1003 /* ARGSUSED */ 1004 void 1005 urtwn_updateslot_cb(struct urtwn_softc *sc, void *arg) 1006 { 1007 struct ieee80211com *ic = &sc->sc_sc.sc_ic; 1008 1009 rtwn_updateslot(ic); 1010 } 1011 1012 void 1013 urtwn_updateedca(struct ieee80211com *ic) 1014 { 1015 struct rtwn_softc *sc_sc = ic->ic_softc; 1016 struct device *self = sc_sc->sc_pdev; 1017 struct urtwn_softc *sc = (struct urtwn_softc *)self; 1018 1019 /* Do it in a process context. */ 1020 urtwn_do_async(sc, urtwn_updateedca_cb, NULL, 0); 1021 } 1022 1023 /* ARGSUSED */ 1024 void 1025 urtwn_updateedca_cb(struct urtwn_softc *sc, void *arg) 1026 { 1027 struct ieee80211com *ic = &sc->sc_sc.sc_ic; 1028 1029 rtwn_updateedca(ic); 1030 } 1031 1032 int 1033 urtwn_set_key(struct ieee80211com *ic, struct ieee80211_node *ni, 1034 struct ieee80211_key *k) 1035 { 1036 struct rtwn_softc *sc_sc = ic->ic_softc; 1037 struct device *self = sc_sc->sc_pdev; 1038 struct urtwn_softc *sc = (struct urtwn_softc *)self; 1039 struct urtwn_cmd_key cmd; 1040 1041 /* Only handle keys for CCMP */ 1042 if (k->k_cipher != IEEE80211_CIPHER_CCMP) 1043 return ieee80211_set_key(ic, ni, k); 1044 1045 /* Defer setting of WEP keys until interface is brought up. */ 1046 if ((ic->ic_if.if_flags & (IFF_UP | IFF_RUNNING)) != 1047 (IFF_UP | IFF_RUNNING)) 1048 return (0); 1049 1050 /* Do it in a process context. */ 1051 cmd.key = *k; 1052 cmd.ni = ni; 1053 urtwn_do_async(sc, urtwn_set_key_cb, &cmd, sizeof(cmd)); 1054 sc->sc_key_tasks++; 1055 1056 return (EBUSY); 1057 } 1058 1059 void 1060 urtwn_set_key_cb(struct urtwn_softc *sc, void *arg) 1061 { 1062 struct ieee80211com *ic = &sc->sc_sc.sc_ic; 1063 struct urtwn_cmd_key *cmd = arg; 1064 1065 sc->sc_key_tasks--; 1066 1067 if (rtwn_set_key(ic, cmd->ni, &cmd->key) == 0) { 1068 if (sc->sc_key_tasks == 0) { 1069 DPRINTF(("marking port %s valid\n", 1070 ether_sprintf(cmd->ni->ni_macaddr))); 1071 cmd->ni->ni_port_valid = 1; 1072 ieee80211_set_link_state(ic, LINK_STATE_UP); 1073 } 1074 } else { 1075 IEEE80211_SEND_MGMT(ic, cmd->ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1076 IEEE80211_REASON_AUTH_LEAVE); 1077 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 1078 } 1079 } 1080 1081 void 1082 urtwn_delete_key(struct ieee80211com *ic, struct ieee80211_node *ni, 1083 struct ieee80211_key *k) 1084 { 1085 struct rtwn_softc *sc_sc = ic->ic_softc; 1086 struct device *self = sc_sc->sc_pdev; 1087 struct urtwn_softc *sc = (struct urtwn_softc *)self; 1088 struct urtwn_cmd_key cmd; 1089 1090 /* Only handle keys for CCMP */ 1091 if (k->k_cipher != IEEE80211_CIPHER_CCMP) { 1092 ieee80211_delete_key(ic, ni, k); 1093 return; 1094 } 1095 1096 if (!(ic->ic_if.if_flags & IFF_RUNNING) || 1097 ic->ic_state != IEEE80211_S_RUN) 1098 return; /* Nothing to do. */ 1099 1100 /* Do it in a process context. */ 1101 cmd.key = *k; 1102 cmd.ni = ni; 1103 urtwn_do_async(sc, urtwn_delete_key_cb, &cmd, sizeof(cmd)); 1104 } 1105 1106 void 1107 urtwn_delete_key_cb(struct urtwn_softc *sc, void *arg) 1108 { 1109 struct ieee80211com *ic = &sc->sc_sc.sc_ic; 1110 struct urtwn_cmd_key *cmd = arg; 1111 1112 rtwn_delete_key(ic, cmd->ni, &cmd->key); 1113 } 1114 1115 int 1116 urtwn_ccmp_decap(struct urtwn_softc *sc, struct mbuf *m, 1117 struct ieee80211_node *ni) 1118 { 1119 struct ieee80211com *ic = &sc->sc_sc.sc_ic; 1120 struct ieee80211_key *k; 1121 struct ieee80211_frame *wh; 1122 uint64_t pn, *prsc; 1123 uint8_t *ivp; 1124 uint8_t tid; 1125 int hdrlen, hasqos; 1126 1127 k = ieee80211_get_rxkey(ic, m, ni); 1128 if (k == NULL) 1129 return 1; 1130 1131 wh = mtod(m, struct ieee80211_frame *); 1132 hdrlen = ieee80211_get_hdrlen(wh); 1133 ivp = (uint8_t *)wh + hdrlen; 1134 1135 /* Check that ExtIV bit is set. */ 1136 if (!(ivp[3] & IEEE80211_WEP_EXTIV)) 1137 return 1; 1138 1139 hasqos = ieee80211_has_qos(wh); 1140 tid = hasqos ? ieee80211_get_qos(wh) & IEEE80211_QOS_TID : 0; 1141 prsc = &k->k_rsc[tid]; 1142 1143 /* Extract the 48-bit PN from the CCMP header. */ 1144 pn = (uint64_t)ivp[0] | 1145 (uint64_t)ivp[1] << 8 | 1146 (uint64_t)ivp[4] << 16 | 1147 (uint64_t)ivp[5] << 24 | 1148 (uint64_t)ivp[6] << 32 | 1149 (uint64_t)ivp[7] << 40; 1150 if (pn <= *prsc) { 1151 ic->ic_stats.is_ccmp_replays++; 1152 return 1; 1153 } 1154 /* Last seen packet number is updated in ieee80211_inputm(). */ 1155 1156 /* Strip MIC. IV will be stripped by ieee80211_inputm(). */ 1157 m_adj(m, -IEEE80211_CCMP_MICLEN); 1158 return 0; 1159 } 1160 1161 void 1162 urtwn_rx_frame(struct urtwn_softc *sc, uint8_t *buf, int pktlen, 1163 struct mbuf_list *ml) 1164 { 1165 struct ieee80211com *ic = &sc->sc_sc.sc_ic; 1166 struct ifnet *ifp = &ic->ic_if; 1167 struct ieee80211_rxinfo rxi; 1168 struct ieee80211_frame *wh; 1169 struct ieee80211_node *ni; 1170 struct r92c_rx_desc_usb *rxd; 1171 uint32_t rxdw0, rxdw3; 1172 struct mbuf *m; 1173 uint8_t rate; 1174 int8_t rssi = 0; 1175 int s, infosz; 1176 1177 rxd = (struct r92c_rx_desc_usb *)buf; 1178 rxdw0 = letoh32(rxd->rxdw0); 1179 rxdw3 = letoh32(rxd->rxdw3); 1180 1181 if (__predict_false(rxdw0 & (R92C_RXDW0_CRCERR | R92C_RXDW0_ICVERR))) { 1182 /* 1183 * This should not happen since we setup our Rx filter 1184 * to not receive these frames. 1185 */ 1186 ifp->if_ierrors++; 1187 return; 1188 } 1189 if (__predict_false(pktlen < sizeof(*wh) || pktlen > MCLBYTES)) { 1190 ifp->if_ierrors++; 1191 return; 1192 } 1193 1194 rate = (sc->sc_sc.chip & RTWN_CHIP_92E) ? 1195 MS(rxdw3, R92E_RXDW3_RATE) : MS(rxdw3, R92C_RXDW3_RATE); 1196 infosz = MS(rxdw0, R92C_RXDW0_INFOSZ) * 8; 1197 1198 /* Get RSSI from PHY status descriptor if present. */ 1199 if (infosz != 0 && (rxdw0 & R92C_RXDW0_PHYST)) { 1200 rssi = rtwn_get_rssi(&sc->sc_sc, rate, &rxd[1]); 1201 /* Update our average RSSI. */ 1202 rtwn_update_avgrssi(&sc->sc_sc, rate, rssi); 1203 } 1204 1205 DPRINTFN(5, ("Rx frame len=%d rate=%d infosz=%d rssi=%d\n", 1206 pktlen, rate, infosz, rssi)); 1207 1208 MGETHDR(m, M_DONTWAIT, MT_DATA); 1209 if (__predict_false(m == NULL)) { 1210 ifp->if_ierrors++; 1211 return; 1212 } 1213 if (pktlen > MHLEN) { 1214 MCLGET(m, M_DONTWAIT); 1215 if (__predict_false(!(m->m_flags & M_EXT))) { 1216 ifp->if_ierrors++; 1217 m_freem(m); 1218 return; 1219 } 1220 } 1221 /* Finalize mbuf. */ 1222 wh = (struct ieee80211_frame *)((uint8_t *)&rxd[1] + infosz); 1223 memcpy(mtod(m, uint8_t *), wh, pktlen); 1224 m->m_pkthdr.len = m->m_len = pktlen; 1225 1226 s = splnet(); 1227 #if NBPFILTER > 0 1228 if (__predict_false(sc->sc_drvbpf != NULL)) { 1229 struct urtwn_rx_radiotap_header *tap = &sc->sc_rxtap; 1230 struct mbuf mb; 1231 1232 tap->wr_flags = 0; 1233 /* Map HW rate index to 802.11 rate. */ 1234 if (!(rxdw3 & R92C_RXDW3_HT)) { 1235 switch (rate) { 1236 /* CCK. */ 1237 case 0: tap->wr_rate = 2; break; 1238 case 1: tap->wr_rate = 4; break; 1239 case 2: tap->wr_rate = 11; break; 1240 case 3: tap->wr_rate = 22; break; 1241 /* OFDM. */ 1242 case 4: tap->wr_rate = 12; break; 1243 case 5: tap->wr_rate = 18; break; 1244 case 6: tap->wr_rate = 24; break; 1245 case 7: tap->wr_rate = 36; break; 1246 case 8: tap->wr_rate = 48; break; 1247 case 9: tap->wr_rate = 72; break; 1248 case 10: tap->wr_rate = 96; break; 1249 case 11: tap->wr_rate = 108; break; 1250 } 1251 if (rate <= 3) 1252 tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 1253 } else if (rate >= 12) { /* MCS0~15. */ 1254 /* Bit 7 set means HT MCS instead of rate. */ 1255 tap->wr_rate = 0x80 | (rate - 12); 1256 } 1257 tap->wr_dbm_antsignal = rssi; 1258 tap->wr_chan_freq = htole16(ic->ic_ibss_chan->ic_freq); 1259 tap->wr_chan_flags = htole16(ic->ic_ibss_chan->ic_flags); 1260 1261 mb.m_data = (caddr_t)tap; 1262 mb.m_len = sc->sc_rxtap_len; 1263 mb.m_next = m; 1264 mb.m_nextpkt = NULL; 1265 mb.m_type = 0; 1266 mb.m_flags = 0; 1267 bpf_mtap(sc->sc_drvbpf, &mb, BPF_DIRECTION_IN); 1268 } 1269 #endif 1270 1271 ni = ieee80211_find_rxnode(ic, wh); 1272 memset(&rxi, 0, sizeof(rxi)); 1273 rxi.rxi_rssi = rssi; 1274 1275 /* Handle hardware decryption. */ 1276 if (((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_CTL) 1277 && (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) && 1278 (ni->ni_flags & IEEE80211_NODE_RXPROT) && 1279 ((!IEEE80211_IS_MULTICAST(wh->i_addr1) && 1280 ni->ni_pairwise_key.k_cipher == IEEE80211_CIPHER_CCMP) || 1281 (IEEE80211_IS_MULTICAST(wh->i_addr1) && 1282 ni->ni_rsngroupcipher == IEEE80211_CIPHER_CCMP))) { 1283 if (urtwn_ccmp_decap(sc, m, ni) != 0) { 1284 ifp->if_ierrors++; 1285 m_freem(m); 1286 ieee80211_release_node(ic, ni); 1287 splx(s); 1288 return; 1289 } 1290 rxi.rxi_flags |= IEEE80211_RXI_HWDEC; 1291 } 1292 1293 ieee80211_inputm(ifp, m, ni, &rxi, ml); 1294 /* Node is no longer needed. */ 1295 ieee80211_release_node(ic, ni); 1296 splx(s); 1297 } 1298 1299 void 1300 urtwn_rxeof(struct usbd_xfer *xfer, void *priv, 1301 usbd_status status) 1302 { 1303 struct mbuf_list ml = MBUF_LIST_INITIALIZER(); 1304 struct urtwn_rx_data *data = priv; 1305 struct urtwn_softc *sc = data->sc; 1306 struct ieee80211com *ic = &sc->sc_sc.sc_ic; 1307 struct r92c_rx_desc_usb *rxd; 1308 uint32_t rxdw0; 1309 uint8_t *buf; 1310 int len, totlen, pktlen, infosz, npkts, error, align; 1311 1312 if (__predict_false(status != USBD_NORMAL_COMPLETION)) { 1313 DPRINTF(("RX status=%d\n", status)); 1314 if (status == USBD_STALLED) 1315 usbd_clear_endpoint_stall_async(sc->rx_pipe); 1316 if (status != USBD_CANCELLED) 1317 goto resubmit; 1318 return; 1319 } 1320 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 1321 1322 if (__predict_false(len < sizeof(*rxd))) { 1323 DPRINTF(("xfer too short %d\n", len)); 1324 goto resubmit; 1325 } 1326 buf = data->buf; 1327 1328 /* Get the number of encapsulated frames. */ 1329 rxd = (struct r92c_rx_desc_usb *)buf; 1330 npkts = MS(letoh32(rxd->rxdw2), R92C_RXDW2_PKTCNT); 1331 DPRINTFN(4, ("Rx %d frames in one chunk\n", npkts)); 1332 1333 if (sc->sc_sc.chip & RTWN_CHIP_88E) { 1334 int ntries, type; 1335 struct r88e_tx_rpt_ccx *rxstat; 1336 1337 type = MS(letoh32(rxd->rxdw3), R88E_RXDW3_RPT); 1338 1339 if (type == R88E_RXDW3_RPT_TX1) { 1340 buf += sizeof(struct r92c_rx_desc_usb); 1341 rxstat = (struct r88e_tx_rpt_ccx *)buf; 1342 ntries = MS(letoh32(rxstat->rptb2), 1343 R88E_RPTB2_RETRY_CNT); 1344 1345 if (rxstat->rptb1 & R88E_RPTB1_PKT_OK) 1346 sc->amn.amn_txcnt++; 1347 if (ntries > 0) 1348 sc->amn.amn_retrycnt++; 1349 1350 goto resubmit; 1351 } 1352 } else if (sc->sc_sc.chip & RTWN_CHIP_92E) { 1353 int type; 1354 struct r92e_c2h_tx_rpt *txrpt; 1355 1356 if (letoh32(rxd->rxdw2) & R92E_RXDW2_RPT_C2H) { 1357 if (len < sizeof(struct r92c_rx_desc_usb) + 2) 1358 goto resubmit; 1359 1360 type = buf[sizeof(struct r92c_rx_desc_usb)]; 1361 switch (type) { 1362 case R92C_C2HEVT_TX_REPORT: 1363 buf += sizeof(struct r92c_rx_desc_usb) + 2; 1364 txrpt = (struct r92e_c2h_tx_rpt *)buf; 1365 if (MS(txrpt->rptb2, R92E_RPTB2_RETRY_CNT) > 0) 1366 sc->amn.amn_retrycnt++; 1367 if ((txrpt->rptb0 & (R92E_RPTB0_RETRY_OVER | 1368 R92E_RPTB0_LIFE_EXPIRE)) == 0) 1369 sc->amn.amn_txcnt++; 1370 break; 1371 default: 1372 break; 1373 } 1374 goto resubmit; 1375 } 1376 } 1377 1378 align = (sc->sc_sc.chip & RTWN_CHIP_92E ? 7 : 127); 1379 1380 /* Process all of them. */ 1381 while (npkts-- > 0) { 1382 if (__predict_false(len < sizeof(*rxd))) 1383 break; 1384 rxd = (struct r92c_rx_desc_usb *)buf; 1385 rxdw0 = letoh32(rxd->rxdw0); 1386 1387 pktlen = MS(rxdw0, R92C_RXDW0_PKTLEN); 1388 if (__predict_false(pktlen == 0)) 1389 break; 1390 1391 infosz = MS(rxdw0, R92C_RXDW0_INFOSZ) * 8; 1392 1393 /* Make sure everything fits in xfer. */ 1394 totlen = sizeof(*rxd) + infosz + pktlen; 1395 if (__predict_false(totlen > len)) 1396 break; 1397 1398 /* Process 802.11 frame. */ 1399 urtwn_rx_frame(sc, buf, pktlen, &ml); 1400 1401 /* Handle chunk alignment. */ 1402 totlen = (totlen + align) & ~align; 1403 buf += totlen; 1404 len -= totlen; 1405 } 1406 if_input(&ic->ic_if, &ml); 1407 1408 resubmit: 1409 /* Setup a new transfer. */ 1410 usbd_setup_xfer(xfer, sc->rx_pipe, data, data->buf, URTWN_RXBUFSZ, 1411 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, urtwn_rxeof); 1412 error = usbd_transfer(data->xfer); 1413 if (error != 0 && error != USBD_IN_PROGRESS) 1414 DPRINTF(("could not set up new transfer: %d\n", error)); 1415 } 1416 1417 void 1418 urtwn_txeof(struct usbd_xfer *xfer, void *priv, 1419 usbd_status status) 1420 { 1421 struct urtwn_tx_data *data = priv; 1422 struct urtwn_softc *sc = data->sc; 1423 struct ifnet *ifp = &sc->sc_sc.sc_ic.ic_if; 1424 int s; 1425 1426 s = splnet(); 1427 /* Put this Tx buffer back to our free list. */ 1428 TAILQ_INSERT_TAIL(&sc->tx_free_list, data, next); 1429 1430 if (__predict_false(status != USBD_NORMAL_COMPLETION)) { 1431 DPRINTF(("TX status=%d\n", status)); 1432 if (status == USBD_STALLED) 1433 usbd_clear_endpoint_stall_async(data->pipe); 1434 ifp->if_oerrors++; 1435 splx(s); 1436 return; 1437 } 1438 sc->sc_sc.sc_tx_timer = 0; 1439 1440 /* We just released a Tx buffer, notify Tx. */ 1441 if (ifq_is_oactive(&ifp->if_snd)) { 1442 ifq_clr_oactive(&ifp->if_snd); 1443 rtwn_start(ifp); 1444 } 1445 splx(s); 1446 } 1447 1448 void 1449 urtwn_tx_fill_desc(struct urtwn_softc *sc, uint8_t **txdp, struct mbuf *m, 1450 struct ieee80211_frame *wh, struct ieee80211_key *k, 1451 struct ieee80211_node *ni) 1452 { 1453 struct r92c_tx_desc_usb *txd; 1454 struct ieee80211com *ic = &sc->sc_sc.sc_ic; 1455 uint8_t raid, type, rtsrate; 1456 uint32_t pktlen; 1457 1458 txd = (struct r92c_tx_desc_usb *)*txdp; 1459 (*txdp) += sizeof(*txd); 1460 memset(txd, 0, sizeof(*txd)); 1461 1462 pktlen = m->m_pkthdr.len; 1463 if (k != NULL && k->k_cipher == IEEE80211_CIPHER_CCMP) { 1464 txd->txdw1 |= htole32(SM(R92C_TXDW1_CIPHER, 1465 R92C_TXDW1_CIPHER_AES)); 1466 pktlen += IEEE80211_CCMP_HDRLEN; 1467 } 1468 1469 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 1470 1471 txd->txdw0 |= htole32( 1472 SM(R92C_TXDW0_PKTLEN, pktlen) | 1473 SM(R92C_TXDW0_OFFSET, sizeof(*txd)) | 1474 R92C_TXDW0_OWN | R92C_TXDW0_FSG | R92C_TXDW0_LSG); 1475 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 1476 txd->txdw0 |= htole32(R92C_TXDW0_BMCAST); 1477 1478 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && 1479 type == IEEE80211_FC0_TYPE_DATA) { 1480 if (ic->ic_curmode == IEEE80211_MODE_11B || 1481 (sc->sc_sc.sc_flags & RTWN_FLAG_FORCE_RAID_11B)) 1482 raid = R92C_RAID_11B; 1483 else 1484 raid = R92C_RAID_11BG; 1485 if (sc->sc_sc.chip & RTWN_CHIP_88E) { 1486 txd->txdw1 |= htole32( 1487 SM(R88E_TXDW1_MACID, R92C_MACID_BSS) | 1488 SM(R92C_TXDW1_QSEL, R92C_TXDW1_QSEL_BE) | 1489 SM(R92C_TXDW1_RAID, raid)); 1490 txd->txdw2 |= htole32(R88E_TXDW2_AGGBK); 1491 /* Request TX status report for AMRR */ 1492 txd->txdw2 |= htole32(R92C_TXDW2_CCX_RPT); 1493 } else { 1494 txd->txdw1 |= htole32( 1495 SM(R92C_TXDW1_MACID, R92C_MACID_BSS) | 1496 SM(R92C_TXDW1_QSEL, R92C_TXDW1_QSEL_BE) | 1497 SM(R92C_TXDW1_RAID, raid) | R92C_TXDW1_AGGBK); 1498 } 1499 1500 if (pktlen + IEEE80211_CRC_LEN > ic->ic_rtsthreshold) { 1501 txd->txdw4 |= htole32(R92C_TXDW4_RTSEN | 1502 R92C_TXDW4_HWRTSEN); 1503 } else if (ic->ic_flags & IEEE80211_F_USEPROT) { 1504 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) { 1505 txd->txdw4 |= htole32(R92C_TXDW4_CTS2SELF | 1506 R92C_TXDW4_HWRTSEN); 1507 } else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) { 1508 txd->txdw4 |= htole32(R92C_TXDW4_RTSEN | 1509 R92C_TXDW4_HWRTSEN); 1510 } 1511 } 1512 txd->txdw5 |= htole32(0x0001ff00); 1513 1514 if (ic->ic_curmode == IEEE80211_MODE_11B) 1515 rtsrate = 0; /* CCK1 */ 1516 else 1517 rtsrate = 8; /* OFDM24 */ 1518 1519 if (sc->sc_sc.chip & RTWN_CHIP_88E) { 1520 /* Use AMRR */ 1521 txd->txdw4 |= htole32(R92C_TXDW4_DRVRATE); 1522 txd->txdw4 |= htole32(SM(R92C_TXDW4_RTSRATE, rtsrate)); 1523 txd->txdw5 |= htole32(SM(R92C_TXDW5_DATARATE, 1524 ni->ni_txrate)); 1525 } else { 1526 /* Send data at OFDM54. */ 1527 txd->txdw4 |= htole32(SM(R92C_TXDW4_RTSRATE, rtsrate)); 1528 txd->txdw5 |= htole32(SM(R92C_TXDW5_DATARATE, 11)); 1529 } 1530 } else { 1531 txd->txdw1 |= htole32( 1532 SM(R92C_TXDW1_MACID, 0) | 1533 SM(R92C_TXDW1_QSEL, R92C_TXDW1_QSEL_MGNT) | 1534 SM(R92C_TXDW1_RAID, R92C_RAID_11B)); 1535 1536 /* Force CCK1. */ 1537 txd->txdw4 |= htole32(R92C_TXDW4_DRVRATE); 1538 txd->txdw5 |= htole32(SM(R92C_TXDW5_DATARATE, 0)); 1539 } 1540 /* Set sequence number (already little endian). */ 1541 txd->txdseq |= (*(uint16_t *)wh->i_seq) >> IEEE80211_SEQ_SEQ_SHIFT; 1542 1543 if (!ieee80211_has_qos(wh)) { 1544 /* Use HW sequence numbering for non-QoS frames. */ 1545 txd->txdw4 |= htole32(R92C_TXDW4_HWSEQ); 1546 txd->txdseq |= htole16(R92C_TXDW3_HWSEQEN); 1547 } else 1548 txd->txdw4 |= htole32(R92C_TXDW4_QOS); 1549 } 1550 1551 void 1552 urtwn_tx_fill_desc_gen2(struct urtwn_softc *sc, uint8_t **txdp, struct mbuf *m, 1553 struct ieee80211_frame *wh, struct ieee80211_key *k, 1554 struct ieee80211_node *ni) 1555 { 1556 struct r92e_tx_desc_usb *txd; 1557 struct ieee80211com *ic = &sc->sc_sc.sc_ic; 1558 uint8_t raid, type; 1559 uint32_t pktlen; 1560 1561 txd = (struct r92e_tx_desc_usb *)*txdp; 1562 (*txdp) += sizeof(*txd); 1563 memset(txd, 0, sizeof(*txd)); 1564 1565 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 1566 1567 pktlen = m->m_pkthdr.len; 1568 if (k != NULL && k->k_cipher == IEEE80211_CIPHER_CCMP) { 1569 txd->txdw1 |= htole32(SM(R92C_TXDW1_CIPHER, 1570 R92C_TXDW1_CIPHER_AES)); 1571 pktlen += IEEE80211_CCMP_HDRLEN; 1572 } 1573 1574 txd->txdw0 |= htole32( 1575 SM(R92C_TXDW0_PKTLEN, pktlen) | 1576 SM(R92C_TXDW0_OFFSET, sizeof(*txd)) | 1577 R92C_TXDW0_OWN | R92C_TXDW0_FSG | R92C_TXDW0_LSG); 1578 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 1579 txd->txdw0 |= htole32(R92C_TXDW0_BMCAST); 1580 1581 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && 1582 type == IEEE80211_FC0_TYPE_DATA) { 1583 if (ic->ic_curmode == IEEE80211_MODE_11B || 1584 (sc->sc_sc.sc_flags & RTWN_FLAG_FORCE_RAID_11B)) 1585 raid = R92E_RAID_11B; 1586 else 1587 raid = R92E_RAID_11BG; 1588 txd->txdw1 |= htole32( 1589 SM(R92E_TXDW1_MACID, R92C_MACID_BSS) | 1590 SM(R92C_TXDW1_QSEL, R92C_TXDW1_QSEL_BE) | 1591 SM(R92C_TXDW1_RAID, raid)); 1592 /* Request TX status report for AMRR */ 1593 txd->txdw2 |= htole32(R92C_TXDW2_CCX_RPT | R88E_TXDW2_AGGBK); 1594 1595 if (pktlen + IEEE80211_CRC_LEN > ic->ic_rtsthreshold) { 1596 txd->txdw4 |= htole32(R92C_TXDW4_RTSEN | 1597 R92C_TXDW4_HWRTSEN); 1598 } else if (ic->ic_flags & IEEE80211_F_USEPROT) { 1599 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) { 1600 txd->txdw4 |= htole32(R92C_TXDW4_CTS2SELF | 1601 R92C_TXDW4_HWRTSEN); 1602 } else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) { 1603 txd->txdw4 |= htole32(R92C_TXDW4_RTSEN | 1604 R92C_TXDW4_HWRTSEN); 1605 } 1606 } 1607 txd->txdw5 |= htole32(0x0001ff00); 1608 1609 /* Use AMRR */ 1610 txd->txdw3 |= htole32(R92E_TXDW3_DRVRATE); 1611 txd->txdw4 |= htole32(SM(R92E_TXDW4_RTSRATE, 8)); 1612 txd->txdw4 |= htole32(SM(R92E_TXDW4_DATARATE, ni->ni_txrate)); 1613 } else { 1614 txd->txdw1 |= htole32( 1615 SM(R92E_TXDW1_MACID, 0) | 1616 SM(R92C_TXDW1_QSEL, R92C_TXDW1_QSEL_MGNT) | 1617 SM(R92C_TXDW1_RAID, R92E_RAID_11B)); 1618 1619 /* Force CCK1. */ 1620 txd->txdw3 |= htole32(R92E_TXDW3_DRVRATE); 1621 txd->txdw4 |= htole32(SM(R92E_TXDW4_DATARATE, 0)); 1622 } 1623 txd->txdw4 |= htole32(SM(R92E_TXDW4_DATARATEFB, 0x1f)); 1624 1625 txd->txdseq2 |= htole16(SM(R92E_TXDSEQ2_HWSEQ, *(uint16_t *)wh->i_seq)); 1626 1627 if (!ieee80211_has_qos(wh)) { 1628 /* Use HW sequence numbering for non-QoS frames. */ 1629 txd->txdw7 |= htole16(R92C_TXDW3_HWSEQEN); 1630 } 1631 } 1632 1633 int 1634 urtwn_tx(void *cookie, struct mbuf *m, struct ieee80211_node *ni) 1635 { 1636 struct urtwn_softc *sc = cookie; 1637 struct ieee80211com *ic = &sc->sc_sc.sc_ic; 1638 struct ieee80211_frame *wh; 1639 struct ieee80211_key *k = NULL; 1640 struct urtwn_tx_data *data; 1641 struct usbd_pipe *pipe; 1642 uint16_t qos, sum; 1643 uint8_t tid, qid; 1644 int i, xferlen, error, headerlen; 1645 uint8_t *txdp; 1646 1647 wh = mtod(m, struct ieee80211_frame *); 1648 1649 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 1650 k = ieee80211_get_txkey(ic, wh, ni); 1651 if (k->k_cipher != IEEE80211_CIPHER_CCMP) { 1652 if ((m = ieee80211_encrypt(ic, m, k)) == NULL) 1653 return (ENOBUFS); 1654 wh = mtod(m, struct ieee80211_frame *); 1655 } 1656 } 1657 1658 if (ieee80211_has_qos(wh)) { 1659 qos = ieee80211_get_qos(wh); 1660 tid = qos & IEEE80211_QOS_TID; 1661 qid = ieee80211_up_to_ac(ic, tid); 1662 } else if ((wh->i_fc[1] & IEEE80211_FC0_TYPE_MASK) 1663 != IEEE80211_FC0_TYPE_DATA) { 1664 /* Use AC VO for management frames. */ 1665 qid = EDCA_AC_VO; 1666 } else 1667 qid = EDCA_AC_BE; 1668 1669 /* Get the USB pipe to use for this AC. */ 1670 pipe = sc->tx_pipe[sc->ac2idx[qid]]; 1671 1672 /* Grab a Tx buffer from our free list. */ 1673 data = TAILQ_FIRST(&sc->tx_free_list); 1674 TAILQ_REMOVE(&sc->tx_free_list, data, next); 1675 1676 /* Fill Tx descriptor. */ 1677 txdp = data->buf; 1678 if (sc->sc_sc.chip & RTWN_CHIP_92E) 1679 urtwn_tx_fill_desc_gen2(sc, &txdp, m, wh, k, ni); 1680 else 1681 urtwn_tx_fill_desc(sc, &txdp, m, wh, k, ni); 1682 1683 /* Compute Tx descriptor checksum. */ 1684 sum = 0; 1685 for (i = 0; i < R92C_TXDESC_SUMSIZE / 2; i++) 1686 sum ^= ((uint16_t *)data->buf)[i]; 1687 ((uint16_t *)data->buf)[R92C_TXDESC_SUMOFFSET] = sum; 1688 1689 #if NBPFILTER > 0 1690 if (__predict_false(sc->sc_drvbpf != NULL)) { 1691 struct urtwn_tx_radiotap_header *tap = &sc->sc_txtap; 1692 struct mbuf mb; 1693 1694 tap->wt_flags = 0; 1695 tap->wt_chan_freq = htole16(ic->ic_bss->ni_chan->ic_freq); 1696 tap->wt_chan_flags = htole16(ic->ic_bss->ni_chan->ic_flags); 1697 1698 mb.m_data = (caddr_t)tap; 1699 mb.m_len = sc->sc_txtap_len; 1700 mb.m_next = m; 1701 mb.m_nextpkt = NULL; 1702 mb.m_type = 0; 1703 mb.m_flags = 0; 1704 bpf_mtap(sc->sc_drvbpf, &mb, BPF_DIRECTION_OUT); 1705 } 1706 #endif 1707 1708 if (k != NULL && k->k_cipher == IEEE80211_CIPHER_CCMP) { 1709 xferlen = (txdp - data->buf) + m->m_pkthdr.len + 1710 IEEE80211_CCMP_HDRLEN; 1711 headerlen = ieee80211_get_hdrlen(wh); 1712 1713 m_copydata(m, 0, headerlen, txdp); 1714 txdp += headerlen; 1715 1716 k->k_tsc++; 1717 txdp[0] = k->k_tsc; 1718 txdp[1] = k->k_tsc >> 8; 1719 txdp[2] = 0; 1720 txdp[3] = k->k_id | IEEE80211_WEP_EXTIV; 1721 txdp[4] = k->k_tsc >> 16; 1722 txdp[5] = k->k_tsc >> 24; 1723 txdp[6] = k->k_tsc >> 32; 1724 txdp[7] = k->k_tsc >> 40; 1725 txdp += IEEE80211_CCMP_HDRLEN; 1726 1727 m_copydata(m, headerlen, m->m_pkthdr.len - headerlen, txdp); 1728 m_freem(m); 1729 } else { 1730 xferlen = (txdp - data->buf) + m->m_pkthdr.len; 1731 m_copydata(m, 0, m->m_pkthdr.len, txdp); 1732 m_freem(m); 1733 } 1734 1735 data->pipe = pipe; 1736 usbd_setup_xfer(data->xfer, pipe, data, data->buf, xferlen, 1737 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, URTWN_TX_TIMEOUT, 1738 urtwn_txeof); 1739 error = usbd_transfer(data->xfer); 1740 if (__predict_false(error != USBD_IN_PROGRESS && error != 0)) { 1741 /* Put this Tx buffer back to our free list. */ 1742 TAILQ_INSERT_TAIL(&sc->tx_free_list, data, next); 1743 return (error); 1744 } 1745 ieee80211_release_node(ic, ni); 1746 return (0); 1747 } 1748 1749 int 1750 urtwn_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1751 { 1752 struct rtwn_softc *sc_sc = ifp->if_softc; 1753 struct device *self = sc_sc->sc_pdev; 1754 struct urtwn_softc *sc = (struct urtwn_softc *)self; 1755 int error; 1756 1757 if (usbd_is_dying(sc->sc_udev)) 1758 return ENXIO; 1759 1760 usbd_ref_incr(sc->sc_udev); 1761 error = rtwn_ioctl(ifp, cmd, data); 1762 usbd_ref_decr(sc->sc_udev); 1763 1764 return (error); 1765 } 1766 1767 int 1768 urtwn_r92c_power_on(struct urtwn_softc *sc) 1769 { 1770 uint32_t reg; 1771 int ntries; 1772 1773 /* Wait for autoload done bit. */ 1774 for (ntries = 0; ntries < 1000; ntries++) { 1775 if (urtwn_read_1(sc, R92C_APS_FSMCO) & R92C_APS_FSMCO_PFM_ALDN) 1776 break; 1777 DELAY(5); 1778 } 1779 if (ntries == 1000) { 1780 printf("%s: timeout waiting for chip autoload\n", 1781 sc->sc_dev.dv_xname); 1782 return (ETIMEDOUT); 1783 } 1784 1785 /* Unlock ISO/CLK/Power control register. */ 1786 urtwn_write_1(sc, R92C_RSV_CTRL, 0); 1787 /* Move SPS into PWM mode. */ 1788 urtwn_write_1(sc, R92C_SPS0_CTRL, 0x2b); 1789 DELAY(100); 1790 1791 reg = urtwn_read_1(sc, R92C_LDOV12D_CTRL); 1792 if (!(reg & R92C_LDOV12D_CTRL_LDV12_EN)) { 1793 urtwn_write_1(sc, R92C_LDOV12D_CTRL, 1794 reg | R92C_LDOV12D_CTRL_LDV12_EN); 1795 DELAY(100); 1796 urtwn_write_1(sc, R92C_SYS_ISO_CTRL, 1797 urtwn_read_1(sc, R92C_SYS_ISO_CTRL) & 1798 ~R92C_SYS_ISO_CTRL_MD2PP); 1799 } 1800 1801 /* Auto enable WLAN. */ 1802 urtwn_write_2(sc, R92C_APS_FSMCO, 1803 urtwn_read_2(sc, R92C_APS_FSMCO) | R92C_APS_FSMCO_APFM_ONMAC); 1804 for (ntries = 0; ntries < 1000; ntries++) { 1805 if (!(urtwn_read_2(sc, R92C_APS_FSMCO) & 1806 R92C_APS_FSMCO_APFM_ONMAC)) 1807 break; 1808 DELAY(5); 1809 } 1810 if (ntries == 1000) { 1811 printf("%s: timeout waiting for MAC auto ON\n", 1812 sc->sc_dev.dv_xname); 1813 return (ETIMEDOUT); 1814 } 1815 1816 /* Enable radio, GPIO and LED functions. */ 1817 urtwn_write_2(sc, R92C_APS_FSMCO, 1818 R92C_APS_FSMCO_AFSM_HSUS | 1819 R92C_APS_FSMCO_PDN_EN | 1820 R92C_APS_FSMCO_PFM_ALDN); 1821 /* Release RF digital isolation. */ 1822 urtwn_write_2(sc, R92C_SYS_ISO_CTRL, 1823 urtwn_read_2(sc, R92C_SYS_ISO_CTRL) & ~R92C_SYS_ISO_CTRL_DIOR); 1824 1825 /* Enable MAC DMA/WMAC/SCHEDULE/SEC blocks. */ 1826 reg = urtwn_read_2(sc, R92C_CR); 1827 reg |= R92C_CR_HCI_TXDMA_EN | R92C_CR_HCI_RXDMA_EN | 1828 R92C_CR_TXDMA_EN | R92C_CR_RXDMA_EN | R92C_CR_PROTOCOL_EN | 1829 R92C_CR_SCHEDULE_EN | R92C_CR_MACTXEN | R92C_CR_MACRXEN | 1830 R92C_CR_ENSEC; 1831 urtwn_write_2(sc, R92C_CR, reg); 1832 1833 urtwn_write_1(sc, 0xfe10, 0x19); 1834 return (0); 1835 } 1836 1837 int 1838 urtwn_r92e_power_on(struct urtwn_softc *sc) 1839 { 1840 uint32_t reg; 1841 int ntries; 1842 1843 if (urtwn_read_4(sc, R92C_SYS_CFG) & R92E_SYS_CFG_SPSLDO_SEL) { 1844 /* LDO. */ 1845 urtwn_write_1(sc, R92E_LDO_SWR_CTRL, 0xc3); 1846 } else { 1847 reg = urtwn_read_4(sc, R92C_SYS_SWR_CTRL2); 1848 reg &= 0xff0fffff; 1849 reg |= 0x00500000; 1850 urtwn_write_4(sc, R92C_SYS_SWR_CTRL2, reg); 1851 urtwn_write_1(sc, R92E_LDO_SWR_CTRL, 0x83); 1852 } 1853 1854 /* 40MHz crystal source */ 1855 urtwn_write_1(sc, R92C_AFE_PLL_CTRL, 1856 urtwn_read_1(sc, R92C_AFE_PLL_CTRL) & 0xfb); 1857 urtwn_write_4(sc, R92C_AFE_XTAL_CTRL_EXT, 1858 urtwn_read_4(sc, R92C_AFE_XTAL_CTRL_EXT) & 0xfffffc7f); 1859 1860 urtwn_write_1(sc, R92C_AFE_PLL_CTRL, 1861 urtwn_read_1(sc, R92C_AFE_PLL_CTRL) & 0xbf); 1862 urtwn_write_4(sc, R92C_AFE_XTAL_CTRL_EXT, 1863 urtwn_read_4(sc, R92C_AFE_XTAL_CTRL_EXT) & 0xffdfffff); 1864 1865 /* Disable HWPDN. */ 1866 urtwn_write_2(sc, R92C_APS_FSMCO, 1867 urtwn_read_2(sc, R92C_APS_FSMCO) & ~R92C_APS_FSMCO_APDM_HPDN); 1868 for (ntries = 0; ntries < 5000; ntries++) { 1869 if (urtwn_read_4(sc, R92C_APS_FSMCO) & R92C_APS_FSMCO_SUS_HOST) 1870 break; 1871 DELAY(10); 1872 } 1873 if (ntries == 5000) { 1874 printf("%s: timeout waiting for chip power up\n", 1875 sc->sc_dev.dv_xname); 1876 return (ETIMEDOUT); 1877 } 1878 1879 /* Disable WL suspend. */ 1880 urtwn_write_2(sc, R92C_APS_FSMCO, 1881 urtwn_read_2(sc, R92C_APS_FSMCO) & 1882 ~(R92C_APS_FSMCO_AFSM_HSUS | R92C_APS_FSMCO_AFSM_PCIE)); 1883 1884 /* Auto enable WLAN. */ 1885 urtwn_write_4(sc, R92C_APS_FSMCO, 1886 urtwn_read_4(sc, R92C_APS_FSMCO) | R92C_APS_FSMCO_RDY_MACON); 1887 urtwn_write_2(sc, R92C_APS_FSMCO, 1888 urtwn_read_2(sc, R92C_APS_FSMCO) | R92C_APS_FSMCO_APFM_ONMAC); 1889 for (ntries = 0; ntries < 5000; ntries++) { 1890 if (!(urtwn_read_2(sc, R92C_APS_FSMCO) & 1891 R92C_APS_FSMCO_APFM_ONMAC)) 1892 break; 1893 DELAY(10); 1894 } 1895 if (ntries == 5000) { 1896 printf("%s: timeout waiting for MAC auto ON\n", 1897 sc->sc_dev.dv_xname); 1898 return (ETIMEDOUT); 1899 } 1900 1901 /* Enable MAC DMA/WMAC/SCHEDULE/SEC blocks. */ 1902 urtwn_write_2(sc, R92C_CR, 0); 1903 reg = urtwn_read_2(sc, R92C_CR); 1904 reg |= R92C_CR_HCI_TXDMA_EN | R92C_CR_HCI_RXDMA_EN | 1905 R92C_CR_TXDMA_EN | R92C_CR_RXDMA_EN | R92C_CR_PROTOCOL_EN | 1906 R92C_CR_SCHEDULE_EN | R92C_CR_ENSEC | R92C_CR_CALTMR_EN; 1907 urtwn_write_2(sc, R92C_CR, reg); 1908 return (0); 1909 } 1910 1911 int 1912 urtwn_r88e_power_on(struct urtwn_softc *sc) 1913 { 1914 uint32_t reg; 1915 int ntries; 1916 1917 /* Wait for power ready bit. */ 1918 for (ntries = 0; ntries < 5000; ntries++) { 1919 if (urtwn_read_4(sc, R92C_APS_FSMCO) & R92C_APS_FSMCO_SUS_HOST) 1920 break; 1921 DELAY(10); 1922 } 1923 if (ntries == 5000) { 1924 printf("%s: timeout waiting for chip power up\n", 1925 sc->sc_dev.dv_xname); 1926 return (ETIMEDOUT); 1927 } 1928 1929 /* Reset BB. */ 1930 urtwn_write_1(sc, R92C_SYS_FUNC_EN, 1931 urtwn_read_1(sc, R92C_SYS_FUNC_EN) & ~(R92C_SYS_FUNC_EN_BBRSTB | 1932 R92C_SYS_FUNC_EN_BB_GLB_RST)); 1933 1934 urtwn_write_1(sc, R92C_AFE_XTAL_CTRL + 2, 1935 urtwn_read_1(sc, R92C_AFE_XTAL_CTRL + 2) | 0x80); 1936 1937 /* Disable HWPDN. */ 1938 urtwn_write_2(sc, R92C_APS_FSMCO, 1939 urtwn_read_2(sc, R92C_APS_FSMCO) & ~R92C_APS_FSMCO_APDM_HPDN); 1940 /* Disable WL suspend. */ 1941 urtwn_write_2(sc, R92C_APS_FSMCO, 1942 urtwn_read_2(sc, R92C_APS_FSMCO) & 1943 ~(R92C_APS_FSMCO_AFSM_HSUS | R92C_APS_FSMCO_AFSM_PCIE)); 1944 1945 /* Auto enable WLAN. */ 1946 urtwn_write_2(sc, R92C_APS_FSMCO, 1947 urtwn_read_2(sc, R92C_APS_FSMCO) | R92C_APS_FSMCO_APFM_ONMAC); 1948 for (ntries = 0; ntries < 5000; ntries++) { 1949 if (!(urtwn_read_2(sc, R92C_APS_FSMCO) & 1950 R92C_APS_FSMCO_APFM_ONMAC)) 1951 break; 1952 DELAY(10); 1953 } 1954 if (ntries == 5000) { 1955 printf("%s: timeout waiting for MAC auto ON\n", 1956 sc->sc_dev.dv_xname); 1957 return (ETIMEDOUT); 1958 } 1959 1960 /* Enable LDO normal mode. */ 1961 urtwn_write_1(sc, R92C_LPLDO_CTRL, 1962 urtwn_read_1(sc, R92C_LPLDO_CTRL) & ~0x10); 1963 1964 /* Enable MAC DMA/WMAC/SCHEDULE/SEC blocks. */ 1965 urtwn_write_2(sc, R92C_CR, 0); 1966 reg = urtwn_read_2(sc, R92C_CR); 1967 reg |= R92C_CR_HCI_TXDMA_EN | R92C_CR_HCI_RXDMA_EN | 1968 R92C_CR_TXDMA_EN | R92C_CR_RXDMA_EN | R92C_CR_PROTOCOL_EN | 1969 R92C_CR_SCHEDULE_EN | R92C_CR_ENSEC | R92C_CR_CALTMR_EN; 1970 urtwn_write_2(sc, R92C_CR, reg); 1971 return (0); 1972 } 1973 1974 int 1975 urtwn_llt_init(struct urtwn_softc *sc, int page_count) 1976 { 1977 int i, error, pktbuf_count; 1978 1979 pktbuf_count = (sc->sc_sc.chip & RTWN_CHIP_88E) ? 1980 R88E_TXPKTBUF_COUNT : R92C_TXPKTBUF_COUNT; 1981 1982 /* Reserve pages [0; page_count]. */ 1983 for (i = 0; i < page_count; i++) { 1984 if ((error = urtwn_llt_write(sc, i, i + 1)) != 0) 1985 return (error); 1986 } 1987 /* NB: 0xff indicates end-of-list. */ 1988 if ((error = urtwn_llt_write(sc, i, 0xff)) != 0) 1989 return (error); 1990 /* 1991 * Use pages [page_count + 1; pktbuf_count - 1] 1992 * as ring buffer. 1993 */ 1994 for (++i; i < pktbuf_count - 1; i++) { 1995 if ((error = urtwn_llt_write(sc, i, i + 1)) != 0) 1996 return (error); 1997 } 1998 /* Make the last page point to the beginning of the ring buffer. */ 1999 error = urtwn_llt_write(sc, i, page_count + 1); 2000 return (error); 2001 } 2002 2003 int 2004 urtwn_auto_llt_init(struct urtwn_softc *sc) 2005 { 2006 int ntries; 2007 2008 urtwn_write_4(sc, R92E_AUTO_LLT, urtwn_read_4(sc, 2009 R92E_AUTO_LLT) | R92E_AUTO_LLT_EN); 2010 for (ntries = 0; ntries < 1000; ntries++) { 2011 if (!(urtwn_read_4(sc, R92E_AUTO_LLT) & R92E_AUTO_LLT_EN)) 2012 return (0); 2013 DELAY(2); 2014 } 2015 2016 return (ETIMEDOUT); 2017 } 2018 2019 int 2020 urtwn_fw_loadpage(void *cookie, int page, uint8_t *buf, int len) 2021 { 2022 struct urtwn_softc *sc = cookie; 2023 uint32_t reg; 2024 int maxblksz, off, mlen, error = 0; 2025 2026 reg = urtwn_read_4(sc, R92C_MCUFWDL); 2027 reg = RW(reg, R92C_MCUFWDL_PAGE, page); 2028 urtwn_write_4(sc, R92C_MCUFWDL, reg); 2029 2030 maxblksz = (sc->sc_sc.chip & RTWN_CHIP_92E) ? 254 : 196; 2031 2032 off = R92C_FW_START_ADDR; 2033 while (len > 0) { 2034 if (len > maxblksz) 2035 mlen = maxblksz; 2036 else if (len > 4) 2037 mlen = 4; 2038 else 2039 mlen = 1; 2040 error = urtwn_write_region_1(sc, off, buf, mlen); 2041 if (error != 0) 2042 break; 2043 off += mlen; 2044 buf += mlen; 2045 len -= mlen; 2046 } 2047 return (error); 2048 } 2049 2050 int 2051 urtwn_load_firmware(void *cookie, u_char **fw, size_t *len) 2052 { 2053 struct urtwn_softc *sc = cookie; 2054 const char *name; 2055 int error; 2056 2057 if (sc->sc_sc.chip & RTWN_CHIP_92E) 2058 name = "urtwn-rtl8192eu"; 2059 else if (sc->sc_sc.chip & RTWN_CHIP_88E) 2060 name = "urtwn-rtl8188eu"; 2061 else if ((sc->sc_sc.chip & (RTWN_CHIP_UMC_A_CUT | RTWN_CHIP_92C)) == 2062 RTWN_CHIP_UMC_A_CUT) 2063 name = "urtwn-rtl8192cU"; 2064 else 2065 name = "urtwn-rtl8192cT"; 2066 2067 error = loadfirmware(name, fw, len); 2068 if (error) 2069 printf("%s: could not read firmware %s (error %d)\n", 2070 sc->sc_dev.dv_xname, name, error); 2071 return (error); 2072 } 2073 2074 int 2075 urtwn_dma_init(void *cookie) 2076 { 2077 struct urtwn_softc *sc = cookie; 2078 uint32_t reg; 2079 uint16_t dmasize; 2080 int hqpages, lqpages, nqpages, pagecnt, boundary; 2081 int error, hashq, haslq, hasnq; 2082 2083 /* Default initialization of chipset values. */ 2084 if (sc->sc_sc.chip & RTWN_CHIP_88E) { 2085 hqpages = R88E_HQ_NPAGES; 2086 lqpages = R88E_LQ_NPAGES; 2087 nqpages = R88E_NQ_NPAGES; 2088 pagecnt = R88E_TX_PAGE_COUNT; 2089 boundary = R88E_TX_PAGE_BOUNDARY; 2090 dmasize = R88E_MAX_RX_DMA_SIZE; 2091 } else if (sc->sc_sc.chip & RTWN_CHIP_92E) { 2092 hqpages = R92E_HQ_NPAGES; 2093 lqpages = R92E_LQ_NPAGES; 2094 nqpages = R92E_NQ_NPAGES; 2095 pagecnt = R92E_TX_PAGE_COUNT; 2096 boundary = R92E_TX_PAGE_BOUNDARY; 2097 dmasize = R92E_MAX_RX_DMA_SIZE; 2098 } else { 2099 hqpages = R92C_HQ_NPAGES; 2100 lqpages = R92C_LQ_NPAGES; 2101 nqpages = R92C_NQ_NPAGES; 2102 pagecnt = R92C_TX_PAGE_COUNT; 2103 boundary = R92C_TX_PAGE_BOUNDARY; 2104 dmasize = R92C_MAX_RX_DMA_SIZE; 2105 } 2106 2107 /* Initialize LLT table. */ 2108 if (sc->sc_sc.chip & RTWN_CHIP_92E) { 2109 error = urtwn_auto_llt_init(sc); 2110 } else { 2111 error = urtwn_llt_init(sc, pagecnt); 2112 } 2113 if (error != 0) 2114 return (error); 2115 2116 /* Get Tx queues to USB endpoints mapping. */ 2117 hashq = hasnq = haslq = 0; 2118 switch (sc->ntx) { 2119 case 3: 2120 haslq = 1; 2121 pagecnt -= lqpages; 2122 /* FALLTHROUGH */ 2123 case 2: 2124 hasnq = 1; 2125 pagecnt -= nqpages; 2126 /* FALLTHROUGH */ 2127 case 1: 2128 hashq = 1; 2129 pagecnt -= hqpages; 2130 break; 2131 } 2132 2133 /* Set number of pages for normal priority queue. */ 2134 urtwn_write_1(sc, R92C_RQPN_NPQ, hasnq ? nqpages : 0); 2135 urtwn_write_4(sc, R92C_RQPN, 2136 /* Set number of pages for public queue. */ 2137 SM(R92C_RQPN_PUBQ, pagecnt) | 2138 /* Set number of pages for high priority queue. */ 2139 SM(R92C_RQPN_HPQ, hashq ? hqpages : 0) | 2140 /* Set number of pages for low priority queue. */ 2141 SM(R92C_RQPN_LPQ, haslq ? lqpages : 0) | 2142 /* Load values. */ 2143 R92C_RQPN_LD); 2144 2145 urtwn_write_1(sc, R92C_TXPKTBUF_BCNQ_BDNY, boundary); 2146 urtwn_write_1(sc, R92C_TXPKTBUF_MGQ_BDNY, boundary); 2147 urtwn_write_1(sc, R92C_TXPKTBUF_WMAC_LBK_BF_HD, boundary); 2148 urtwn_write_1(sc, R92C_TRXFF_BNDY, boundary); 2149 urtwn_write_1(sc, R92C_TDECTRL + 1, boundary); 2150 2151 /* Set queue to USB pipe mapping. */ 2152 reg = urtwn_read_2(sc, R92C_TRXDMA_CTRL); 2153 reg &= ~R92C_TRXDMA_CTRL_QMAP_M; 2154 if (haslq) 2155 reg |= R92C_TRXDMA_CTRL_QMAP_3EP; 2156 else if (hashq) { 2157 if (!hasnq) 2158 reg |= R92C_TRXDMA_CTRL_QMAP_HQ; 2159 else 2160 reg |= R92C_TRXDMA_CTRL_QMAP_HQ_NQ; 2161 } 2162 urtwn_write_2(sc, R92C_TRXDMA_CTRL, reg); 2163 2164 /* Set Tx/Rx transfer page boundary. */ 2165 urtwn_write_2(sc, R92C_TRXFF_BNDY + 2, dmasize - 1); 2166 2167 if (!(sc->sc_sc.chip & RTWN_CHIP_92E)) { 2168 /* Set Tx/Rx transfer page size. */ 2169 urtwn_write_1(sc, R92C_PBP, 2170 SM(R92C_PBP_PSRX, R92C_PBP_128) | 2171 SM(R92C_PBP_PSTX, R92C_PBP_128)); 2172 } 2173 return (error); 2174 } 2175 2176 void 2177 urtwn_aggr_init(void *cookie) 2178 { 2179 struct urtwn_softc *sc = cookie; 2180 uint32_t reg = 0; 2181 int dmasize, dmatiming, ndesc; 2182 2183 /* Set burst packet length. */ 2184 if (sc->sc_sc.chip & RTWN_CHIP_92E) 2185 urtwn_burstlen_init(sc); 2186 2187 if (sc->sc_sc.chip & RTWN_CHIP_92E) { 2188 dmasize = 6; 2189 dmatiming = 32; 2190 ndesc = 3; 2191 } else { 2192 dmasize = 48; 2193 dmatiming = 4; 2194 ndesc = (sc->sc_sc.chip & RTWN_CHIP_88E) ? 1 : 6; 2195 } 2196 2197 /* Tx aggregation setting. */ 2198 reg = urtwn_read_4(sc, R92C_TDECTRL); 2199 reg = RW(reg, R92C_TDECTRL_BLK_DESC_NUM, ndesc); 2200 urtwn_write_4(sc, R92C_TDECTRL, reg); 2201 if (sc->sc_sc.chip & RTWN_CHIP_92E) 2202 urtwn_write_1(sc, R92E_DWBCN1_CTRL, ndesc << 1); 2203 2204 /* Rx aggregation setting. */ 2205 urtwn_write_1(sc, R92C_TRXDMA_CTRL, 2206 urtwn_read_1(sc, R92C_TRXDMA_CTRL) | R92C_TRXDMA_CTRL_RXDMA_AGG_EN); 2207 2208 urtwn_write_1(sc, R92C_RXDMA_AGG_PG_TH, dmasize); 2209 if (sc->sc_sc.chip & (RTWN_CHIP_92C | RTWN_CHIP_88C)) 2210 urtwn_write_1(sc, R92C_USB_DMA_AGG_TO, dmatiming); 2211 else 2212 urtwn_write_1(sc, R92C_RXDMA_AGG_PG_TH + 1, dmatiming); 2213 2214 /* Drop incorrect bulk out. */ 2215 urtwn_write_4(sc, R92C_TXDMA_OFFSET_CHK, 2216 urtwn_read_4(sc, R92C_TXDMA_OFFSET_CHK) | 2217 R92C_TXDMA_OFFSET_CHK_DROP_DATA_EN); 2218 } 2219 2220 void 2221 urtwn_mac_init(void *cookie) 2222 { 2223 struct urtwn_softc *sc = cookie; 2224 int i; 2225 2226 /* Write MAC initialization values. */ 2227 if (sc->sc_sc.chip & RTWN_CHIP_88E) { 2228 for (i = 0; i < nitems(rtl8188eu_mac); i++) { 2229 urtwn_write_1(sc, rtl8188eu_mac[i].reg, 2230 rtl8188eu_mac[i].val); 2231 } 2232 urtwn_write_1(sc, R92C_MAX_AGGR_NUM, 0x07); 2233 } else if (sc->sc_sc.chip & RTWN_CHIP_92E) { 2234 for (i = 0; i < nitems(rtl8192eu_mac); i++) { 2235 urtwn_write_1(sc, rtl8192eu_mac[i].reg, 2236 rtl8192eu_mac[i].val); 2237 } 2238 } else { 2239 for (i = 0; i < nitems(rtl8192cu_mac); i++) 2240 urtwn_write_1(sc, rtl8192cu_mac[i].reg, 2241 rtl8192cu_mac[i].val); 2242 } 2243 } 2244 2245 void 2246 urtwn_bb_init(void *cookie) 2247 { 2248 struct urtwn_softc *sc = cookie; 2249 const struct r92c_bb_prog *prog; 2250 uint32_t reg; 2251 uint8_t xtal; 2252 int i; 2253 2254 /* Enable BB and RF. */ 2255 urtwn_write_2(sc, R92C_SYS_FUNC_EN, 2256 urtwn_read_2(sc, R92C_SYS_FUNC_EN) | 2257 R92C_SYS_FUNC_EN_BBRSTB | R92C_SYS_FUNC_EN_BB_GLB_RST | 2258 R92C_SYS_FUNC_EN_DIO_RF); 2259 2260 if (!(sc->sc_sc.chip & (RTWN_CHIP_88E | RTWN_CHIP_92E))) 2261 urtwn_write_2(sc, R92C_AFE_PLL_CTRL, 0xdb83); 2262 2263 urtwn_write_1(sc, R92C_RF_CTRL, 2264 R92C_RF_CTRL_EN | R92C_RF_CTRL_RSTB | R92C_RF_CTRL_SDMRSTB); 2265 urtwn_write_1(sc, R92C_SYS_FUNC_EN, 2266 R92C_SYS_FUNC_EN_USBA | R92C_SYS_FUNC_EN_USBD | 2267 R92C_SYS_FUNC_EN_BB_GLB_RST | R92C_SYS_FUNC_EN_BBRSTB); 2268 2269 if (!(sc->sc_sc.chip & (RTWN_CHIP_88E | RTWN_CHIP_92E))) { 2270 urtwn_write_1(sc, R92C_LDOHCI12_CTRL, 0x0f); 2271 urtwn_write_1(sc, 0x15, 0xe9); 2272 urtwn_write_1(sc, R92C_AFE_XTAL_CTRL + 1, 0x80); 2273 } 2274 2275 /* Select BB programming based on board type. */ 2276 if (sc->sc_sc.chip & RTWN_CHIP_88E) 2277 prog = &rtl8188eu_bb_prog; 2278 else if (sc->sc_sc.chip & RTWN_CHIP_92E) 2279 prog = &rtl8192eu_bb_prog; 2280 else if (!(sc->sc_sc.chip & RTWN_CHIP_92C)) { 2281 if (sc->sc_sc.board_type == R92C_BOARD_TYPE_MINICARD) 2282 prog = &rtl8188ce_bb_prog; 2283 else if (sc->sc_sc.board_type == R92C_BOARD_TYPE_HIGHPA) 2284 prog = &rtl8188ru_bb_prog; 2285 else 2286 prog = &rtl8188cu_bb_prog; 2287 } else { 2288 if (sc->sc_sc.board_type == R92C_BOARD_TYPE_MINICARD) 2289 prog = &rtl8192ce_bb_prog; 2290 else 2291 prog = &rtl8192cu_bb_prog; 2292 } 2293 /* Write BB initialization values. */ 2294 for (i = 0; i < prog->count; i++) { 2295 urtwn_bb_write(sc, prog->regs[i], prog->vals[i]); 2296 DELAY(1); 2297 } 2298 2299 if (sc->sc_sc.chip & RTWN_CHIP_92C_1T2R) { 2300 /* 8192C 1T only configuration. */ 2301 reg = urtwn_bb_read(sc, R92C_FPGA0_TXINFO); 2302 reg = (reg & ~0x00000003) | 0x2; 2303 urtwn_bb_write(sc, R92C_FPGA0_TXINFO, reg); 2304 2305 reg = urtwn_bb_read(sc, R92C_FPGA1_TXINFO); 2306 reg = (reg & ~0x00300033) | 0x00200022; 2307 urtwn_bb_write(sc, R92C_FPGA1_TXINFO, reg); 2308 2309 reg = urtwn_bb_read(sc, R92C_CCK0_AFESETTING); 2310 reg = (reg & ~0xff000000) | 0x45 << 24; 2311 urtwn_bb_write(sc, R92C_CCK0_AFESETTING, reg); 2312 2313 reg = urtwn_bb_read(sc, R92C_OFDM0_TRXPATHENA); 2314 reg = (reg & ~0x000000ff) | 0x23; 2315 urtwn_bb_write(sc, R92C_OFDM0_TRXPATHENA, reg); 2316 2317 reg = urtwn_bb_read(sc, R92C_OFDM0_AGCPARAM1); 2318 reg = (reg & ~0x00000030) | 1 << 4; 2319 urtwn_bb_write(sc, R92C_OFDM0_AGCPARAM1, reg); 2320 2321 reg = urtwn_bb_read(sc, 0xe74); 2322 reg = (reg & ~0x0c000000) | 2 << 26; 2323 urtwn_bb_write(sc, 0xe74, reg); 2324 reg = urtwn_bb_read(sc, 0xe78); 2325 reg = (reg & ~0x0c000000) | 2 << 26; 2326 urtwn_bb_write(sc, 0xe78, reg); 2327 reg = urtwn_bb_read(sc, 0xe7c); 2328 reg = (reg & ~0x0c000000) | 2 << 26; 2329 urtwn_bb_write(sc, 0xe7c, reg); 2330 reg = urtwn_bb_read(sc, 0xe80); 2331 reg = (reg & ~0x0c000000) | 2 << 26; 2332 urtwn_bb_write(sc, 0xe80, reg); 2333 reg = urtwn_bb_read(sc, 0xe88); 2334 reg = (reg & ~0x0c000000) | 2 << 26; 2335 urtwn_bb_write(sc, 0xe88, reg); 2336 } 2337 2338 /* Write AGC values. */ 2339 for (i = 0; i < prog->agccount; i++) { 2340 urtwn_bb_write(sc, R92C_OFDM0_AGCRSSITABLE, 2341 prog->agcvals[i]); 2342 DELAY(1); 2343 } 2344 2345 if (sc->sc_sc.chip & RTWN_CHIP_88E) { 2346 urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), 0x69553422); 2347 DELAY(1); 2348 urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), 0x69553420); 2349 DELAY(1); 2350 } else if (sc->sc_sc.chip & RTWN_CHIP_92E) { 2351 urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), 0x00040022); 2352 DELAY(1); 2353 urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), 0x00040020); 2354 DELAY(1); 2355 } 2356 2357 if (sc->sc_sc.chip & RTWN_CHIP_88E) { 2358 xtal = sc->sc_sc.crystal_cap & 0x3f; 2359 reg = urtwn_bb_read(sc, R92C_AFE_XTAL_CTRL); 2360 urtwn_bb_write(sc, R92C_AFE_XTAL_CTRL, 2361 RW(reg, R92C_AFE_XTAL_CTRL_ADDR, xtal | xtal << 6)); 2362 } else if (sc->sc_sc.chip & RTWN_CHIP_92E) { 2363 xtal = sc->sc_sc.crystal_cap & 0x3f; 2364 reg = urtwn_bb_read(sc, R92C_AFE_CTRL3); 2365 urtwn_bb_write(sc, R92C_AFE_CTRL3, 2366 RW(reg, R92C_AFE_CTRL3_ADDR, xtal | xtal << 6)); 2367 urtwn_write_4(sc, R92C_AFE_XTAL_CTRL, 0x000f81fb); 2368 } 2369 2370 if (urtwn_bb_read(sc, R92C_HSSI_PARAM2(0)) & R92C_HSSI_PARAM2_CCK_HIPWR) 2371 sc->sc_sc.sc_flags |= RTWN_FLAG_CCK_HIPWR; 2372 } 2373 2374 void 2375 urtwn_burstlen_init(struct urtwn_softc *sc) 2376 { 2377 uint8_t reg; 2378 2379 reg = urtwn_read_1(sc, R92E_RXDMA_PRO); 2380 reg &= ~0x30; 2381 switch (sc->sc_udev->speed) { 2382 case USB_SPEED_HIGH: 2383 urtwn_write_1(sc, R92E_RXDMA_PRO, reg | 0x1e); 2384 break; 2385 default: 2386 urtwn_write_1(sc, R92E_RXDMA_PRO, reg | 0x2e); 2387 break; 2388 } 2389 } 2390 2391 int 2392 urtwn_power_on(void *cookie) 2393 { 2394 struct urtwn_softc *sc = cookie; 2395 2396 if (sc->sc_sc.chip & RTWN_CHIP_88E) 2397 return (urtwn_r88e_power_on(sc)); 2398 else if (sc->sc_sc.chip & RTWN_CHIP_92E) 2399 return (urtwn_r92e_power_on(sc)); 2400 2401 return (urtwn_r92c_power_on(sc)); 2402 } 2403 2404 int 2405 urtwn_alloc_buffers(void *cookie) 2406 { 2407 struct urtwn_softc *sc = cookie; 2408 int error; 2409 2410 /* Init host async commands ring. */ 2411 sc->cmdq.cur = sc->cmdq.next = sc->cmdq.queued = 0; 2412 2413 /* Allocate Tx/Rx buffers. */ 2414 error = urtwn_alloc_rx_list(sc); 2415 if (error != 0) { 2416 printf("%s: could not allocate Rx buffers\n", 2417 sc->sc_dev.dv_xname); 2418 return (error); 2419 } 2420 error = urtwn_alloc_tx_list(sc); 2421 if (error != 0) { 2422 printf("%s: could not allocate Tx buffers\n", 2423 sc->sc_dev.dv_xname); 2424 return (error); 2425 } 2426 2427 return (0); 2428 } 2429 2430 int 2431 urtwn_init(void *cookie) 2432 { 2433 struct urtwn_softc *sc = cookie; 2434 int i, error; 2435 2436 /* Reset USB mode switch setting. */ 2437 if (sc->sc_sc.chip & RTWN_CHIP_92E) 2438 urtwn_write_1(sc, R92C_ACLK_MON, 0); 2439 2440 /* Queue Rx xfers. */ 2441 for (i = 0; i < URTWN_RX_LIST_COUNT; i++) { 2442 struct urtwn_rx_data *data = &sc->rx_data[i]; 2443 2444 usbd_setup_xfer(data->xfer, sc->rx_pipe, data, data->buf, 2445 URTWN_RXBUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 2446 USBD_NO_TIMEOUT, urtwn_rxeof); 2447 error = usbd_transfer(data->xfer); 2448 if (error != 0 && error != USBD_IN_PROGRESS) 2449 return (error); 2450 } 2451 2452 ieee80211_amrr_node_init(&sc->amrr, &sc->amn); 2453 2454 /* 2455 * Enable TX reports for AMRR. 2456 * In order to get reports we need to explicitly reset the register. 2457 */ 2458 if (sc->sc_sc.chip & RTWN_CHIP_88E) 2459 urtwn_write_1(sc, R88E_TX_RPT_CTRL, (urtwn_read_1(sc, 2460 R88E_TX_RPT_CTRL) & ~0) | R88E_TX_RPT_CTRL_EN); 2461 2462 return (0); 2463 } 2464 2465 void 2466 urtwn_stop(void *cookie) 2467 { 2468 struct urtwn_softc *sc = cookie; 2469 int i; 2470 2471 /* Abort Tx. */ 2472 for (i = 0; i < R92C_MAX_EPOUT; i++) { 2473 if (sc->tx_pipe[i] != NULL) 2474 usbd_abort_pipe(sc->tx_pipe[i]); 2475 } 2476 /* Stop Rx pipe. */ 2477 usbd_abort_pipe(sc->rx_pipe); 2478 /* Free Tx/Rx buffers. */ 2479 urtwn_free_tx_list(sc); 2480 urtwn_free_rx_list(sc); 2481 } 2482 2483 int 2484 urtwn_is_oactive(void *cookie) 2485 { 2486 struct urtwn_softc *sc = cookie; 2487 2488 return (TAILQ_EMPTY(&sc->tx_free_list)); 2489 } 2490