| 1 | /* $NetBSD: hci_unit.c,v 1.14 2014/05/20 18:25:54 rmind Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 2005 Iain Hibbert. |
| 5 | * Copyright (c) 2006 Itronix Inc. |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * 1. Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer. |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer in the |
| 15 | * documentation and/or other materials provided with the distribution. |
| 16 | * 3. The name of Itronix Inc. may not be used to endorse |
| 17 | * or promote products derived from this software without specific |
| 18 | * prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND |
| 21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY |
| 24 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 25 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 26 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 27 | * ON ANY THEORY OF LIABILITY, WHETHER IN |
| 28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 30 | * POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | #include <sys/cdefs.h> |
| 34 | __KERNEL_RCSID(0, "$NetBSD: hci_unit.c,v 1.14 2014/05/20 18:25:54 rmind Exp $" ); |
| 35 | |
| 36 | #include <sys/param.h> |
| 37 | #include <sys/conf.h> |
| 38 | #include <sys/device.h> |
| 39 | #include <sys/kernel.h> |
| 40 | #include <sys/malloc.h> |
| 41 | #include <sys/mbuf.h> |
| 42 | #include <sys/proc.h> |
| 43 | #include <sys/queue.h> |
| 44 | #include <sys/systm.h> |
| 45 | #include <sys/intr.h> |
| 46 | #include <sys/socketvar.h> |
| 47 | |
| 48 | #include <netbt/bluetooth.h> |
| 49 | #include <netbt/hci.h> |
| 50 | |
| 51 | struct hci_unit_list hci_unit_list = SIMPLEQ_HEAD_INITIALIZER(hci_unit_list); |
| 52 | |
| 53 | MALLOC_DEFINE(M_BLUETOOTH, "Bluetooth" , "Bluetooth System Memory" ); |
| 54 | |
| 55 | /* |
| 56 | * HCI Input Queue max lengths. |
| 57 | */ |
| 58 | int hci_eventq_max = 20; |
| 59 | int hci_aclrxq_max = 50; |
| 60 | int hci_scorxq_max = 50; |
| 61 | |
| 62 | /* |
| 63 | * This is the default minimum command set supported by older |
| 64 | * devices. Anything conforming to 1.2 spec or later will get |
| 65 | * updated during init. |
| 66 | */ |
| 67 | static const uint8_t hci_cmds_v10[HCI_COMMANDS_SIZE] = { |
| 68 | 0xff, 0xff, 0xff, 0x01, 0xfe, 0xff, 0xff, 0xff, |
| 69 | 0xff, 0xff, 0xff, 0x7f, 0x32, 0x03, 0xb8, 0xfe, |
| 70 | 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 71 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 72 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 73 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 74 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 75 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
| 76 | }; |
| 77 | |
| 78 | /* |
| 79 | * bluetooth unit functions |
| 80 | */ |
| 81 | static void hci_intr (void *); |
| 82 | |
| 83 | struct hci_unit * |
| 84 | hci_attach_pcb(const struct hci_if *hci_if, device_t dev, uint16_t flags) |
| 85 | { |
| 86 | struct hci_unit *unit; |
| 87 | |
| 88 | KASSERT(dev != NULL); |
| 89 | KASSERT(hci_if->enable != NULL); |
| 90 | KASSERT(hci_if->disable != NULL); |
| 91 | KASSERT(hci_if->output_cmd != NULL); |
| 92 | KASSERT(hci_if->output_acl != NULL); |
| 93 | KASSERT(hci_if->output_sco != NULL); |
| 94 | KASSERT(hci_if->get_stats != NULL); |
| 95 | |
| 96 | unit = malloc(sizeof(struct hci_unit), M_BLUETOOTH, M_ZERO | M_WAITOK); |
| 97 | KASSERT(unit != NULL); |
| 98 | |
| 99 | unit->hci_dev = dev; |
| 100 | unit->hci_if = hci_if; |
| 101 | unit->hci_flags = flags; |
| 102 | |
| 103 | mutex_init(&unit->hci_devlock, MUTEX_DRIVER, hci_if->ipl); |
| 104 | cv_init(&unit->hci_init, "hci_init" ); |
| 105 | |
| 106 | MBUFQ_INIT(&unit->hci_eventq); |
| 107 | MBUFQ_INIT(&unit->hci_aclrxq); |
| 108 | MBUFQ_INIT(&unit->hci_scorxq); |
| 109 | MBUFQ_INIT(&unit->hci_cmdwait); |
| 110 | MBUFQ_INIT(&unit->hci_scodone); |
| 111 | |
| 112 | TAILQ_INIT(&unit->hci_links); |
| 113 | LIST_INIT(&unit->hci_memos); |
| 114 | |
| 115 | mutex_enter(bt_lock); |
| 116 | SIMPLEQ_INSERT_TAIL(&hci_unit_list, unit, hci_next); |
| 117 | mutex_exit(bt_lock); |
| 118 | |
| 119 | return unit; |
| 120 | } |
| 121 | |
| 122 | void |
| 123 | hci_detach_pcb(struct hci_unit *unit) |
| 124 | { |
| 125 | |
| 126 | mutex_enter(bt_lock); |
| 127 | hci_disable(unit); |
| 128 | |
| 129 | SIMPLEQ_REMOVE(&hci_unit_list, unit, hci_unit, hci_next); |
| 130 | mutex_exit(bt_lock); |
| 131 | |
| 132 | cv_destroy(&unit->hci_init); |
| 133 | mutex_destroy(&unit->hci_devlock); |
| 134 | free(unit, M_BLUETOOTH); |
| 135 | } |
| 136 | |
| 137 | int |
| 138 | hci_enable(struct hci_unit *unit) |
| 139 | { |
| 140 | int err; |
| 141 | |
| 142 | /* |
| 143 | * Bluetooth spec says that a device can accept one |
| 144 | * command on power up until they send a Command Status |
| 145 | * or Command Complete event with more information, but |
| 146 | * it seems that some devices cant and prefer to send a |
| 147 | * No-op Command Status packet when they are ready. |
| 148 | */ |
| 149 | unit->hci_num_cmd_pkts = (unit->hci_flags & BTF_POWER_UP_NOOP) ? 0 : 1; |
| 150 | unit->hci_num_acl_pkts = 0; |
| 151 | unit->hci_num_sco_pkts = 0; |
| 152 | |
| 153 | /* |
| 154 | * only allow the basic packet types until |
| 155 | * the features report is in |
| 156 | */ |
| 157 | unit->hci_acl_mask = HCI_PKT_DM1 | HCI_PKT_DH1; |
| 158 | unit->hci_packet_type = unit->hci_acl_mask; |
| 159 | |
| 160 | memcpy(unit->hci_cmds, hci_cmds_v10, HCI_COMMANDS_SIZE); |
| 161 | |
| 162 | unit->hci_rxint = softint_establish(SOFTINT_NET, &hci_intr, unit); |
| 163 | if (unit->hci_rxint == NULL) |
| 164 | return EIO; |
| 165 | |
| 166 | err = (*unit->hci_if->enable)(unit->hci_dev); |
| 167 | if (err) |
| 168 | goto bad1; |
| 169 | |
| 170 | unit->hci_flags |= BTF_RUNNING; |
| 171 | |
| 172 | /* |
| 173 | * Reset the device, this will trigger initialisation |
| 174 | * and wake us up. |
| 175 | */ |
| 176 | unit->hci_flags |= BTF_INIT; |
| 177 | |
| 178 | err = hci_send_cmd(unit, HCI_CMD_RESET, NULL, 0); |
| 179 | if (err) |
| 180 | goto bad2; |
| 181 | |
| 182 | while (unit->hci_flags & BTF_INIT) { |
| 183 | err = cv_timedwait_sig(&unit->hci_init, bt_lock, 5 * hz); |
| 184 | if (err) |
| 185 | goto bad2; |
| 186 | |
| 187 | /* XXX |
| 188 | * "What If", while we were sleeping, the device |
| 189 | * was removed and detached? Ho Hum. |
| 190 | */ |
| 191 | } |
| 192 | |
| 193 | /* |
| 194 | * Attach Bluetooth Device Hub |
| 195 | */ |
| 196 | unit->hci_bthub = config_found_ia(unit->hci_dev, |
| 197 | "btbus" , &unit->hci_bdaddr, NULL); |
| 198 | |
| 199 | return 0; |
| 200 | |
| 201 | bad2: |
| 202 | (*unit->hci_if->disable)(unit->hci_dev); |
| 203 | unit->hci_flags &= ~BTF_RUNNING; |
| 204 | bad1: |
| 205 | softint_disestablish(unit->hci_rxint); |
| 206 | unit->hci_rxint = NULL; |
| 207 | |
| 208 | return err; |
| 209 | } |
| 210 | |
| 211 | void |
| 212 | hci_disable(struct hci_unit *unit) |
| 213 | { |
| 214 | struct hci_link *link, *next; |
| 215 | struct hci_memo *memo; |
| 216 | int acl; |
| 217 | |
| 218 | if (unit->hci_bthub) { |
| 219 | device_t hub; |
| 220 | |
| 221 | hub = unit->hci_bthub; |
| 222 | unit->hci_bthub = NULL; |
| 223 | |
| 224 | mutex_exit(bt_lock); |
| 225 | config_detach(hub, DETACH_FORCE); |
| 226 | mutex_enter(bt_lock); |
| 227 | } |
| 228 | |
| 229 | if (unit->hci_rxint) { |
| 230 | softint_disestablish(unit->hci_rxint); |
| 231 | unit->hci_rxint = NULL; |
| 232 | } |
| 233 | |
| 234 | (*unit->hci_if->disable)(unit->hci_dev); |
| 235 | unit->hci_flags &= ~BTF_RUNNING; |
| 236 | |
| 237 | /* |
| 238 | * close down any links, take care to close SCO first since |
| 239 | * they may depend on ACL links. |
| 240 | */ |
| 241 | for (acl = 0 ; acl < 2 ; acl++) { |
| 242 | next = TAILQ_FIRST(&unit->hci_links); |
| 243 | while ((link = next) != NULL) { |
| 244 | next = TAILQ_NEXT(link, hl_next); |
| 245 | if (acl || link->hl_type != HCI_LINK_ACL) |
| 246 | hci_link_free(link, ECONNABORTED); |
| 247 | } |
| 248 | } |
| 249 | |
| 250 | while ((memo = LIST_FIRST(&unit->hci_memos)) != NULL) |
| 251 | hci_memo_free(memo); |
| 252 | |
| 253 | /* (no need to hold hci_devlock, the driver is disabled) */ |
| 254 | |
| 255 | MBUFQ_DRAIN(&unit->hci_eventq); |
| 256 | unit->hci_eventqlen = 0; |
| 257 | |
| 258 | MBUFQ_DRAIN(&unit->hci_aclrxq); |
| 259 | unit->hci_aclrxqlen = 0; |
| 260 | |
| 261 | MBUFQ_DRAIN(&unit->hci_scorxq); |
| 262 | unit->hci_scorxqlen = 0; |
| 263 | |
| 264 | MBUFQ_DRAIN(&unit->hci_cmdwait); |
| 265 | MBUFQ_DRAIN(&unit->hci_scodone); |
| 266 | } |
| 267 | |
| 268 | struct hci_unit * |
| 269 | hci_unit_lookup(const bdaddr_t *addr) |
| 270 | { |
| 271 | struct hci_unit *unit; |
| 272 | |
| 273 | SIMPLEQ_FOREACH(unit, &hci_unit_list, hci_next) { |
| 274 | if ((unit->hci_flags & BTF_UP) == 0) |
| 275 | continue; |
| 276 | |
| 277 | if (bdaddr_same(&unit->hci_bdaddr, addr)) |
| 278 | break; |
| 279 | } |
| 280 | |
| 281 | return unit; |
| 282 | } |
| 283 | |
| 284 | /* |
| 285 | * update num_cmd_pkts and push on pending commands queue |
| 286 | */ |
| 287 | void |
| 288 | hci_num_cmds(struct hci_unit *unit, uint8_t num) |
| 289 | { |
| 290 | struct mbuf *m; |
| 291 | |
| 292 | unit->hci_num_cmd_pkts = num; |
| 293 | |
| 294 | while (unit->hci_num_cmd_pkts > 0 && MBUFQ_FIRST(&unit->hci_cmdwait)) { |
| 295 | MBUFQ_DEQUEUE(&unit->hci_cmdwait, m); |
| 296 | hci_output_cmd(unit, m); |
| 297 | } |
| 298 | } |
| 299 | |
| 300 | /* |
| 301 | * construct and queue a HCI command packet |
| 302 | */ |
| 303 | int |
| 304 | hci_send_cmd(struct hci_unit *unit, uint16_t opcode, void *buf, uint8_t len) |
| 305 | { |
| 306 | struct mbuf *m; |
| 307 | hci_cmd_hdr_t *p; |
| 308 | |
| 309 | KASSERT(unit != NULL); |
| 310 | |
| 311 | m = m_gethdr(M_DONTWAIT, MT_DATA); |
| 312 | if (m == NULL) |
| 313 | return ENOMEM; |
| 314 | |
| 315 | p = mtod(m, hci_cmd_hdr_t *); |
| 316 | p->type = HCI_CMD_PKT; |
| 317 | p->opcode = htole16(opcode); |
| 318 | p->length = len; |
| 319 | m->m_pkthdr.len = m->m_len = sizeof(hci_cmd_hdr_t); |
| 320 | |
| 321 | if (len) { |
| 322 | KASSERT(buf != NULL); |
| 323 | |
| 324 | m_copyback(m, sizeof(hci_cmd_hdr_t), len, buf); |
| 325 | if (m->m_pkthdr.len != (sizeof(hci_cmd_hdr_t) + len)) { |
| 326 | m_freem(m); |
| 327 | return ENOMEM; |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | DPRINTFN(2, "(%s) opcode (%3.3x|%4.4x)\n" , device_xname(unit->hci_dev), |
| 332 | HCI_OGF(opcode), HCI_OCF(opcode)); |
| 333 | |
| 334 | /* and send it on */ |
| 335 | if (unit->hci_num_cmd_pkts == 0) |
| 336 | MBUFQ_ENQUEUE(&unit->hci_cmdwait, m); |
| 337 | else |
| 338 | hci_output_cmd(unit, m); |
| 339 | |
| 340 | return 0; |
| 341 | } |
| 342 | |
| 343 | /* |
| 344 | * Incoming packet processing. Since the code is single threaded |
| 345 | * in any case (IPL_SOFTNET), we handle it all in one interrupt function |
| 346 | * picking our way through more important packets first so that hopefully |
| 347 | * we will never get clogged up with bulk data. |
| 348 | */ |
| 349 | static void |
| 350 | hci_intr(void *arg) |
| 351 | { |
| 352 | struct hci_unit *unit = arg; |
| 353 | struct mbuf *m; |
| 354 | |
| 355 | mutex_enter(bt_lock); |
| 356 | another: |
| 357 | mutex_enter(&unit->hci_devlock); |
| 358 | |
| 359 | if (unit->hci_eventqlen > 0) { |
| 360 | MBUFQ_DEQUEUE(&unit->hci_eventq, m); |
| 361 | unit->hci_eventqlen--; |
| 362 | mutex_exit(&unit->hci_devlock); |
| 363 | |
| 364 | KASSERT(m != NULL); |
| 365 | |
| 366 | DPRINTFN(10, "(%s) recv event, len = %d\n" , |
| 367 | device_xname(unit->hci_dev), m->m_pkthdr.len); |
| 368 | |
| 369 | m->m_flags |= M_LINK0; /* mark incoming packet */ |
| 370 | hci_mtap(m, unit); |
| 371 | hci_event(m, unit); |
| 372 | |
| 373 | goto another; |
| 374 | } |
| 375 | |
| 376 | if (unit->hci_scorxqlen > 0) { |
| 377 | MBUFQ_DEQUEUE(&unit->hci_scorxq, m); |
| 378 | unit->hci_scorxqlen--; |
| 379 | mutex_exit(&unit->hci_devlock); |
| 380 | |
| 381 | KASSERT(m != NULL); |
| 382 | |
| 383 | DPRINTFN(10, "(%s) recv SCO, len = %d\n" , |
| 384 | device_xname(unit->hci_dev), m->m_pkthdr.len); |
| 385 | |
| 386 | m->m_flags |= M_LINK0; /* mark incoming packet */ |
| 387 | hci_mtap(m, unit); |
| 388 | hci_sco_recv(m, unit); |
| 389 | |
| 390 | goto another; |
| 391 | } |
| 392 | |
| 393 | if (unit->hci_aclrxqlen > 0) { |
| 394 | MBUFQ_DEQUEUE(&unit->hci_aclrxq, m); |
| 395 | unit->hci_aclrxqlen--; |
| 396 | mutex_exit(&unit->hci_devlock); |
| 397 | |
| 398 | KASSERT(m != NULL); |
| 399 | |
| 400 | DPRINTFN(10, "(%s) recv ACL, len = %d\n" , |
| 401 | device_xname(unit->hci_dev), m->m_pkthdr.len); |
| 402 | |
| 403 | m->m_flags |= M_LINK0; /* mark incoming packet */ |
| 404 | hci_mtap(m, unit); |
| 405 | hci_acl_recv(m, unit); |
| 406 | |
| 407 | goto another; |
| 408 | } |
| 409 | |
| 410 | MBUFQ_DEQUEUE(&unit->hci_scodone, m); |
| 411 | if (m != NULL) { |
| 412 | struct hci_link *link; |
| 413 | |
| 414 | mutex_exit(&unit->hci_devlock); |
| 415 | |
| 416 | DPRINTFN(11, "(%s) complete SCO\n" , |
| 417 | device_xname(unit->hci_dev)); |
| 418 | |
| 419 | TAILQ_FOREACH(link, &unit->hci_links, hl_next) { |
| 420 | if (link == M_GETCTX(m, struct hci_link *)) { |
| 421 | hci_sco_complete(link, 1); |
| 422 | break; |
| 423 | } |
| 424 | } |
| 425 | |
| 426 | unit->hci_num_sco_pkts++; |
| 427 | m_freem(m); |
| 428 | |
| 429 | goto another; |
| 430 | } |
| 431 | |
| 432 | mutex_exit(&unit->hci_devlock); |
| 433 | mutex_exit(bt_lock); |
| 434 | |
| 435 | DPRINTFN(10, "done\n" ); |
| 436 | } |
| 437 | |
| 438 | /********************************************************************** |
| 439 | * |
| 440 | * IO routines |
| 441 | * |
| 442 | * input & complete routines will be called from device drivers, |
| 443 | * possibly in interrupt context. We return success or failure to |
| 444 | * enable proper accounting but we own the mbuf. |
| 445 | */ |
| 446 | |
| 447 | bool |
| 448 | hci_input_event(struct hci_unit *unit, struct mbuf *m) |
| 449 | { |
| 450 | bool rv; |
| 451 | |
| 452 | mutex_enter(&unit->hci_devlock); |
| 453 | |
| 454 | if (unit->hci_eventqlen > hci_eventq_max || unit->hci_rxint == NULL) { |
| 455 | DPRINTF("(%s) dropped event packet.\n" , device_xname(unit->hci_dev)); |
| 456 | m_freem(m); |
| 457 | rv = false; |
| 458 | } else { |
| 459 | unit->hci_eventqlen++; |
| 460 | MBUFQ_ENQUEUE(&unit->hci_eventq, m); |
| 461 | softint_schedule(unit->hci_rxint); |
| 462 | rv = true; |
| 463 | } |
| 464 | |
| 465 | mutex_exit(&unit->hci_devlock); |
| 466 | return rv; |
| 467 | } |
| 468 | |
| 469 | bool |
| 470 | hci_input_acl(struct hci_unit *unit, struct mbuf *m) |
| 471 | { |
| 472 | bool rv; |
| 473 | |
| 474 | mutex_enter(&unit->hci_devlock); |
| 475 | |
| 476 | if (unit->hci_aclrxqlen > hci_aclrxq_max || unit->hci_rxint == NULL) { |
| 477 | DPRINTF("(%s) dropped ACL packet.\n" , device_xname(unit->hci_dev)); |
| 478 | m_freem(m); |
| 479 | rv = false; |
| 480 | } else { |
| 481 | unit->hci_aclrxqlen++; |
| 482 | MBUFQ_ENQUEUE(&unit->hci_aclrxq, m); |
| 483 | softint_schedule(unit->hci_rxint); |
| 484 | rv = true; |
| 485 | } |
| 486 | |
| 487 | mutex_exit(&unit->hci_devlock); |
| 488 | return rv; |
| 489 | } |
| 490 | |
| 491 | bool |
| 492 | hci_input_sco(struct hci_unit *unit, struct mbuf *m) |
| 493 | { |
| 494 | bool rv; |
| 495 | |
| 496 | mutex_enter(&unit->hci_devlock); |
| 497 | |
| 498 | if (unit->hci_scorxqlen > hci_scorxq_max || unit->hci_rxint == NULL) { |
| 499 | DPRINTF("(%s) dropped SCO packet.\n" , device_xname(unit->hci_dev)); |
| 500 | m_freem(m); |
| 501 | rv = false; |
| 502 | } else { |
| 503 | unit->hci_scorxqlen++; |
| 504 | MBUFQ_ENQUEUE(&unit->hci_scorxq, m); |
| 505 | softint_schedule(unit->hci_rxint); |
| 506 | rv = true; |
| 507 | } |
| 508 | |
| 509 | mutex_exit(&unit->hci_devlock); |
| 510 | return rv; |
| 511 | } |
| 512 | |
| 513 | void |
| 514 | hci_output_cmd(struct hci_unit *unit, struct mbuf *m) |
| 515 | { |
| 516 | void *arg; |
| 517 | |
| 518 | hci_mtap(m, unit); |
| 519 | |
| 520 | DPRINTFN(10, "(%s) num_cmd_pkts=%d\n" , device_xname(unit->hci_dev), |
| 521 | unit->hci_num_cmd_pkts); |
| 522 | |
| 523 | unit->hci_num_cmd_pkts--; |
| 524 | |
| 525 | /* |
| 526 | * If context is set, this was from a HCI raw socket |
| 527 | * and a record needs to be dropped from the sockbuf. |
| 528 | */ |
| 529 | arg = M_GETCTX(m, void *); |
| 530 | if (arg != NULL) |
| 531 | hci_drop(arg); |
| 532 | |
| 533 | (*unit->hci_if->output_cmd)(unit->hci_dev, m); |
| 534 | } |
| 535 | |
| 536 | void |
| 537 | hci_output_acl(struct hci_unit *unit, struct mbuf *m) |
| 538 | { |
| 539 | |
| 540 | hci_mtap(m, unit); |
| 541 | |
| 542 | DPRINTFN(10, "(%s) num_acl_pkts=%d\n" , device_xname(unit->hci_dev), |
| 543 | unit->hci_num_acl_pkts); |
| 544 | |
| 545 | unit->hci_num_acl_pkts--; |
| 546 | (*unit->hci_if->output_acl)(unit->hci_dev, m); |
| 547 | } |
| 548 | |
| 549 | void |
| 550 | hci_output_sco(struct hci_unit *unit, struct mbuf *m) |
| 551 | { |
| 552 | |
| 553 | hci_mtap(m, unit); |
| 554 | |
| 555 | DPRINTFN(10, "(%s) num_sco_pkts=%d\n" , device_xname(unit->hci_dev), |
| 556 | unit->hci_num_sco_pkts); |
| 557 | |
| 558 | unit->hci_num_sco_pkts--; |
| 559 | (*unit->hci_if->output_sco)(unit->hci_dev, m); |
| 560 | } |
| 561 | |
| 562 | bool |
| 563 | hci_complete_sco(struct hci_unit *unit, struct mbuf *m) |
| 564 | { |
| 565 | |
| 566 | if (unit->hci_rxint == NULL) { |
| 567 | DPRINTFN(10, "(%s) complete SCO!\n" , device_xname(unit->hci_dev)); |
| 568 | m_freem(m); |
| 569 | return false; |
| 570 | } |
| 571 | |
| 572 | mutex_enter(&unit->hci_devlock); |
| 573 | |
| 574 | MBUFQ_ENQUEUE(&unit->hci_scodone, m); |
| 575 | softint_schedule(unit->hci_rxint); |
| 576 | |
| 577 | mutex_exit(&unit->hci_devlock); |
| 578 | return true; |
| 579 | } |
| 580 | |