1 /* 2 * ng_hci_evnt.c 3 */ 4 5 /*- 6 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 7 * 8 * Copyright (c) Maksim Yevmenkin <m_evmenkin@yahoo.com> 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $Id: ng_hci_evnt.c,v 1.6 2003/09/08 18:57:51 max Exp $ 33 * $FreeBSD$ 34 */ 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/kernel.h> 39 #include <sys/endian.h> 40 #include <sys/malloc.h> 41 #include <sys/mbuf.h> 42 #include <sys/queue.h> 43 #include <netgraph/ng_message.h> 44 #include <netgraph/netgraph.h> 45 #include <netgraph/bluetooth/include/ng_bluetooth.h> 46 #include <netgraph/bluetooth/include/ng_hci.h> 47 #include <netgraph/bluetooth/hci/ng_hci_var.h> 48 #include <netgraph/bluetooth/hci/ng_hci_cmds.h> 49 #include <netgraph/bluetooth/hci/ng_hci_evnt.h> 50 #include <netgraph/bluetooth/hci/ng_hci_ulpi.h> 51 #include <netgraph/bluetooth/hci/ng_hci_misc.h> 52 53 /****************************************************************************** 54 ****************************************************************************** 55 ** HCI event processing module 56 ****************************************************************************** 57 ******************************************************************************/ 58 59 /* 60 * Event processing routines 61 */ 62 63 static int inquiry_result (ng_hci_unit_p, struct mbuf *); 64 static int con_compl (ng_hci_unit_p, struct mbuf *); 65 static int con_req (ng_hci_unit_p, struct mbuf *); 66 static int discon_compl (ng_hci_unit_p, struct mbuf *); 67 static int encryption_change (ng_hci_unit_p, struct mbuf *); 68 static int read_remote_features_compl (ng_hci_unit_p, struct mbuf *); 69 static int qos_setup_compl (ng_hci_unit_p, struct mbuf *); 70 static int hardware_error (ng_hci_unit_p, struct mbuf *); 71 static int role_change (ng_hci_unit_p, struct mbuf *); 72 static int num_compl_pkts (ng_hci_unit_p, struct mbuf *); 73 static int mode_change (ng_hci_unit_p, struct mbuf *); 74 static int data_buffer_overflow (ng_hci_unit_p, struct mbuf *); 75 static int read_clock_offset_compl (ng_hci_unit_p, struct mbuf *); 76 static int qos_violation (ng_hci_unit_p, struct mbuf *); 77 static int page_scan_mode_change (ng_hci_unit_p, struct mbuf *); 78 static int page_scan_rep_mode_change (ng_hci_unit_p, struct mbuf *); 79 static int sync_con_queue (ng_hci_unit_p, ng_hci_unit_con_p, int); 80 static int send_data_packets (ng_hci_unit_p, int, int); 81 static int le_event (ng_hci_unit_p, struct mbuf *); 82 83 /* 84 * Process HCI event packet 85 */ 86 87 int 88 ng_hci_process_event(ng_hci_unit_p unit, struct mbuf *event) 89 { 90 ng_hci_event_pkt_t *hdr = NULL; 91 int error = 0; 92 93 /* Get event packet header */ 94 NG_HCI_M_PULLUP(event, sizeof(*hdr)); 95 if (event == NULL) 96 return (ENOBUFS); 97 98 hdr = mtod(event, ng_hci_event_pkt_t *); 99 100 NG_HCI_INFO( 101 "%s: %s - got HCI event=%#x, length=%d\n", 102 __func__, NG_NODE_NAME(unit->node), hdr->event, hdr->length); 103 104 /* Get rid of event header and process event */ 105 m_adj(event, sizeof(*hdr)); 106 107 switch (hdr->event) { 108 case NG_HCI_EVENT_INQUIRY_COMPL: 109 case NG_HCI_EVENT_RETURN_LINK_KEYS: 110 case NG_HCI_EVENT_PIN_CODE_REQ: 111 case NG_HCI_EVENT_LINK_KEY_REQ: 112 case NG_HCI_EVENT_LINK_KEY_NOTIFICATION: 113 case NG_HCI_EVENT_LOOPBACK_COMMAND: 114 case NG_HCI_EVENT_AUTH_COMPL: 115 case NG_HCI_EVENT_CHANGE_CON_LINK_KEY_COMPL: 116 case NG_HCI_EVENT_MASTER_LINK_KEY_COMPL: 117 case NG_HCI_EVENT_FLUSH_OCCUR: /* XXX Do we have to handle it? */ 118 case NG_HCI_EVENT_MAX_SLOT_CHANGE: 119 case NG_HCI_EVENT_CON_PKT_TYPE_CHANGED: 120 case NG_HCI_EVENT_BT_LOGO: 121 case NG_HCI_EVENT_VENDOR: 122 case NG_HCI_EVENT_REMOTE_NAME_REQ_COMPL: 123 case NG_HCI_EVENT_READ_REMOTE_VER_INFO_COMPL: 124 /* These do not need post processing */ 125 NG_FREE_M(event); 126 break; 127 case NG_HCI_EVENT_LE: 128 error = le_event(unit, event); 129 break; 130 131 case NG_HCI_EVENT_INQUIRY_RESULT: 132 error = inquiry_result(unit, event); 133 break; 134 135 case NG_HCI_EVENT_CON_COMPL: 136 error = con_compl(unit, event); 137 break; 138 139 case NG_HCI_EVENT_CON_REQ: 140 error = con_req(unit, event); 141 break; 142 143 case NG_HCI_EVENT_DISCON_COMPL: 144 error = discon_compl(unit, event); 145 break; 146 147 case NG_HCI_EVENT_ENCRYPTION_CHANGE: 148 error = encryption_change(unit, event); 149 break; 150 151 case NG_HCI_EVENT_READ_REMOTE_FEATURES_COMPL: 152 error = read_remote_features_compl(unit, event); 153 break; 154 155 case NG_HCI_EVENT_QOS_SETUP_COMPL: 156 error = qos_setup_compl(unit, event); 157 break; 158 159 case NG_HCI_EVENT_COMMAND_COMPL: 160 error = ng_hci_process_command_complete(unit, event); 161 break; 162 163 case NG_HCI_EVENT_COMMAND_STATUS: 164 error = ng_hci_process_command_status(unit, event); 165 break; 166 167 case NG_HCI_EVENT_HARDWARE_ERROR: 168 error = hardware_error(unit, event); 169 break; 170 171 case NG_HCI_EVENT_ROLE_CHANGE: 172 error = role_change(unit, event); 173 break; 174 175 case NG_HCI_EVENT_NUM_COMPL_PKTS: 176 error = num_compl_pkts(unit, event); 177 break; 178 179 case NG_HCI_EVENT_MODE_CHANGE: 180 error = mode_change(unit, event); 181 break; 182 183 case NG_HCI_EVENT_DATA_BUFFER_OVERFLOW: 184 error = data_buffer_overflow(unit, event); 185 break; 186 187 case NG_HCI_EVENT_READ_CLOCK_OFFSET_COMPL: 188 error = read_clock_offset_compl(unit, event); 189 break; 190 191 case NG_HCI_EVENT_QOS_VIOLATION: 192 error = qos_violation(unit, event); 193 break; 194 195 case NG_HCI_EVENT_PAGE_SCAN_MODE_CHANGE: 196 error = page_scan_mode_change(unit, event); 197 break; 198 199 case NG_HCI_EVENT_PAGE_SCAN_REP_MODE_CHANGE: 200 error = page_scan_rep_mode_change(unit, event); 201 break; 202 203 default: 204 NG_FREE_M(event); 205 error = EINVAL; 206 break; 207 } 208 209 return (error); 210 } /* ng_hci_process_event */ 211 212 /* 213 * Send ACL and/or SCO data to the unit driver 214 */ 215 216 void 217 ng_hci_send_data(ng_hci_unit_p unit) 218 { 219 int count; 220 221 /* Send ACL data */ 222 NG_HCI_BUFF_ACL_AVAIL(unit->buffer, count); 223 224 NG_HCI_INFO( 225 "%s: %s - sending ACL data packets, count=%d\n", 226 __func__, NG_NODE_NAME(unit->node), count); 227 228 if (count > 0) { 229 count = send_data_packets(unit, NG_HCI_LINK_ACL, count); 230 NG_HCI_STAT_ACL_SENT(unit->stat, count); 231 NG_HCI_BUFF_ACL_USE(unit->buffer, count); 232 } 233 234 /* Send SCO data */ 235 NG_HCI_BUFF_SCO_AVAIL(unit->buffer, count); 236 237 NG_HCI_INFO( 238 "%s: %s - sending SCO data packets, count=%d\n", 239 __func__, NG_NODE_NAME(unit->node), count); 240 241 if (count > 0) { 242 count = send_data_packets(unit, NG_HCI_LINK_SCO, count); 243 NG_HCI_STAT_SCO_SENT(unit->stat, count); 244 NG_HCI_BUFF_SCO_USE(unit->buffer, count); 245 } 246 } /* ng_hci_send_data */ 247 248 /* 249 * Send data packets to the lower layer. 250 */ 251 252 static int 253 send_data_packets(ng_hci_unit_p unit, int link_type, int limit) 254 { 255 ng_hci_unit_con_p con = NULL, winner = NULL; 256 int reallink_type; 257 item_p item = NULL; 258 int min_pending, total_sent, sent, error, v; 259 260 for (total_sent = 0; limit > 0; ) { 261 min_pending = 0x0fffffff; 262 winner = NULL; 263 264 /* 265 * Find the connection that has has data to send 266 * and the smallest number of pending packets 267 */ 268 269 LIST_FOREACH(con, &unit->con_list, next) { 270 reallink_type = (con->link_type == NG_HCI_LINK_SCO)? 271 NG_HCI_LINK_SCO: NG_HCI_LINK_ACL; 272 if (reallink_type != link_type){ 273 continue; 274 } 275 if (NG_BT_ITEMQ_LEN(&con->conq) == 0) 276 continue; 277 278 if (con->pending < min_pending) { 279 winner = con; 280 min_pending = con->pending; 281 } 282 } 283 284 if (winner == NULL) 285 break; 286 287 /* 288 * OK, we have a winner now send as much packets as we can 289 * Count the number of packets we have sent and then sync 290 * winner connection queue. 291 */ 292 293 for (sent = 0; limit > 0; limit --, total_sent ++, sent ++) { 294 NG_BT_ITEMQ_DEQUEUE(&winner->conq, item); 295 if (item == NULL) 296 break; 297 298 NG_HCI_INFO( 299 "%s: %s - sending data packet, handle=%d, len=%d\n", 300 __func__, NG_NODE_NAME(unit->node), 301 winner->con_handle, NGI_M(item)->m_pkthdr.len); 302 303 /* Check if driver hook still there */ 304 v = (unit->drv != NULL && NG_HOOK_IS_VALID(unit->drv)); 305 if (!v || (unit->state & NG_HCI_UNIT_READY) != 306 NG_HCI_UNIT_READY) { 307 NG_HCI_ERR( 308 "%s: %s - could not send data. Hook \"%s\" is %svalid, state=%#x\n", 309 __func__, NG_NODE_NAME(unit->node), 310 NG_HCI_HOOK_DRV, ((v)? "" : "not "), 311 unit->state); 312 313 NG_FREE_ITEM(item); 314 error = ENOTCONN; 315 } else { 316 v = NGI_M(item)->m_pkthdr.len; 317 318 /* Give packet to raw hook */ 319 ng_hci_mtap(unit, NGI_M(item)); 320 321 /* ... and forward item to the driver */ 322 NG_FWD_ITEM_HOOK(error, item, unit->drv); 323 } 324 325 if (error != 0) { 326 NG_HCI_ERR( 327 "%s: %s - could not send data packet, handle=%d, error=%d\n", 328 __func__, NG_NODE_NAME(unit->node), 329 winner->con_handle, error); 330 break; 331 } 332 333 winner->pending ++; 334 NG_HCI_STAT_BYTES_SENT(unit->stat, v); 335 } 336 337 /* 338 * Sync connection queue for the winner 339 */ 340 sync_con_queue(unit, winner, sent); 341 } 342 343 return (total_sent); 344 } /* send_data_packets */ 345 346 /* 347 * Send flow control messages to the upper layer 348 */ 349 350 static int 351 sync_con_queue(ng_hci_unit_p unit, ng_hci_unit_con_p con, int completed) 352 { 353 hook_p hook = NULL; 354 struct ng_mesg *msg = NULL; 355 ng_hci_sync_con_queue_ep *state = NULL; 356 int error; 357 358 hook = (con->link_type != NG_HCI_LINK_SCO)? unit->acl : unit->sco; 359 if (hook == NULL || NG_HOOK_NOT_VALID(hook)) 360 return (ENOTCONN); 361 362 NG_MKMESSAGE(msg, NGM_HCI_COOKIE, NGM_HCI_SYNC_CON_QUEUE, 363 sizeof(*state), M_NOWAIT); 364 if (msg == NULL) 365 return (ENOMEM); 366 367 state = (ng_hci_sync_con_queue_ep *)(msg->data); 368 state->con_handle = con->con_handle; 369 state->completed = completed; 370 371 NG_SEND_MSG_HOOK(error, unit->node, msg, hook, 0); 372 373 return (error); 374 } /* sync_con_queue */ 375 /* le meta event */ 376 /* Inquiry result event */ 377 static int 378 le_advertizing_report(ng_hci_unit_p unit, struct mbuf *event) 379 { 380 ng_hci_le_advertising_report_ep *ep = NULL; 381 ng_hci_neighbor_p n = NULL; 382 bdaddr_t bdaddr; 383 int error = 0; 384 int num_reports = 0; 385 u_int8_t addr_type; 386 387 NG_HCI_M_PULLUP(event, sizeof(*ep)); 388 if (event == NULL) 389 return (ENOBUFS); 390 391 ep = mtod(event, ng_hci_le_advertising_report_ep *); 392 num_reports = ep->num_reports; 393 m_adj(event, sizeof(*ep)); 394 ep = NULL; 395 396 for (; num_reports > 0; num_reports --) { 397 /* event_type */ 398 m_adj(event, sizeof(u_int8_t)); 399 400 /* Get remote unit address */ 401 NG_HCI_M_PULLUP(event, sizeof(u_int8_t)); 402 addr_type = *mtod(event, u_int8_t *); 403 m_adj(event, sizeof(u_int8_t)); 404 405 m_copydata(event, 0, sizeof(bdaddr), (caddr_t) &bdaddr); 406 m_adj(event, sizeof(bdaddr)); 407 408 /* Lookup entry in the cache */ 409 n = ng_hci_get_neighbor(unit, &bdaddr, (addr_type) ? NG_HCI_LINK_LE_RANDOM:NG_HCI_LINK_LE_PUBLIC); 410 if (n == NULL) { 411 /* Create new entry */ 412 n = ng_hci_new_neighbor(unit); 413 if (n == NULL) { 414 error = ENOMEM; 415 break; 416 } 417 bcopy(&bdaddr, &n->bdaddr, sizeof(n->bdaddr)); 418 n->addrtype = (addr_type)? NG_HCI_LINK_LE_RANDOM : 419 NG_HCI_LINK_LE_PUBLIC; 420 421 } else 422 getmicrotime(&n->updated); 423 424 { 425 /* 426 * TODO: Make these information 427 * Available from userland. 428 */ 429 u_int8_t length_data; 430 431 event = m_pullup(event, sizeof(u_int8_t)); 432 if(event == NULL){ 433 NG_HCI_WARN("%s: Event datasize Pullup Failed\n", __func__); 434 goto out; 435 } 436 length_data = *mtod(event, u_int8_t *); 437 m_adj(event, sizeof(u_int8_t)); 438 n->extinq_size = (length_data < NG_HCI_EXTINQ_MAX)? 439 length_data : NG_HCI_EXTINQ_MAX; 440 441 /*Advertizement data*/ 442 event = m_pullup(event, n->extinq_size); 443 if(event == NULL){ 444 NG_HCI_WARN("%s: Event data pullup Failed\n", __func__); 445 goto out; 446 } 447 m_copydata(event, 0, n->extinq_size, n->extinq_data); 448 m_adj(event, n->extinq_size); 449 event = m_pullup(event, sizeof(char )); 450 /*Get RSSI*/ 451 if(event == NULL){ 452 NG_HCI_WARN("%s: Event rssi pull up Failed\n", __func__); 453 454 goto out; 455 } 456 n->page_scan_mode = *mtod(event, char *); 457 m_adj(event, sizeof(u_int8_t)); 458 } 459 } 460 out: 461 NG_FREE_M(event); 462 463 return (error); 464 } /* inquiry_result */ 465 466 static int le_connection_complete(ng_hci_unit_p unit, struct mbuf *event) 467 { 468 int error = 0; 469 470 ng_hci_le_connection_complete_ep *ep = NULL; 471 ng_hci_unit_con_p con = NULL; 472 int link_type; 473 uint8_t uclass[3] = {0,0,0};//dummy uclass 474 475 NG_HCI_M_PULLUP(event, sizeof(*ep)); 476 if (event == NULL) 477 return (ENOBUFS); 478 479 ep = mtod(event, ng_hci_le_connection_complete_ep *); 480 link_type = (ep->address_type)? NG_HCI_LINK_LE_RANDOM : 481 NG_HCI_LINK_LE_PUBLIC; 482 /* 483 * Find the first connection descriptor that matches the following: 484 * 485 * 1) con->link_type == link_type 486 * 2) con->state == NG_HCI_CON_W4_CONN_COMPLETE 487 * 3) con->bdaddr == ep->address 488 */ 489 LIST_FOREACH(con, &unit->con_list, next) 490 if (con->link_type == link_type && 491 con->state == NG_HCI_CON_W4_CONN_COMPLETE && 492 bcmp(&con->bdaddr, &ep->address, sizeof(bdaddr_t)) == 0) 493 break; 494 495 /* 496 * Two possible cases: 497 * 498 * 1) We have found connection descriptor. That means upper layer has 499 * requested this connection via LP_CON_REQ message. In this case 500 * connection must have timeout set. If ng_hci_con_untimeout() fails 501 * then timeout message already went into node's queue. In this case 502 * ignore Connection_Complete event and let timeout deal with it. 503 * 504 * 2) We do not have connection descriptor. That means upper layer 505 * nas not requested this connection , (less likely) we gave up 506 * on this connection (timeout) or as node act as slave role. 507 * The most likely scenario is that 508 * we have received LE_Create_Connection command 509 * from the RAW hook 510 */ 511 512 if (con == NULL) { 513 if (ep->status != 0) 514 goto out; 515 516 con = ng_hci_new_con(unit, link_type); 517 if (con == NULL) { 518 error = ENOMEM; 519 goto out; 520 } 521 522 con->state = NG_HCI_CON_W4_LP_CON_RSP; 523 ng_hci_con_timeout(con); 524 525 bcopy(&ep->address, &con->bdaddr, sizeof(con->bdaddr)); 526 error = ng_hci_lp_con_ind(con, uclass); 527 if (error != 0) { 528 ng_hci_con_untimeout(con); 529 ng_hci_free_con(con); 530 goto out; 531 } 532 533 } else if ((error = ng_hci_con_untimeout(con)) != 0) 534 goto out; 535 536 /* 537 * Update connection descriptor and send notification 538 * to the upper layers. 539 */ 540 541 con->con_handle = NG_HCI_CON_HANDLE(le16toh(ep->handle)); 542 con->encryption_mode = NG_HCI_ENCRYPTION_MODE_NONE; 543 544 ng_hci_lp_con_cfm(con, ep->status); 545 546 /* Adjust connection state */ 547 if (ep->status != 0) 548 ng_hci_free_con(con); 549 else { 550 con->state = NG_HCI_CON_OPEN; 551 552 /* 553 * Change link policy for the ACL connections. Enable all 554 * supported link modes. Enable Role switch as well if 555 * device supports it. 556 */ 557 } 558 559 out: 560 NG_FREE_M(event); 561 562 return (error); 563 564 } 565 566 static int le_connection_update(ng_hci_unit_p unit, struct mbuf *event) 567 { 568 int error = 0; 569 /*TBD*/ 570 571 NG_FREE_M(event); 572 return error; 573 574 } 575 static int 576 le_event(ng_hci_unit_p unit, struct mbuf *event) 577 { 578 int error = 0; 579 ng_hci_le_ep *lep; 580 581 NG_HCI_M_PULLUP(event, sizeof(*lep)); 582 if(event ==NULL){ 583 return ENOBUFS; 584 } 585 lep = mtod(event, ng_hci_le_ep *); 586 m_adj(event, sizeof(*lep)); 587 switch(lep->subevent_code){ 588 case NG_HCI_LEEV_CON_COMPL: 589 le_connection_complete(unit, event); 590 break; 591 case NG_HCI_LEEV_ADVREP: 592 le_advertizing_report(unit, event); 593 break; 594 case NG_HCI_LEEV_CON_UPDATE_COMPL: 595 le_connection_update(unit, event); 596 break; 597 case NG_HCI_LEEV_READ_REMOTE_FEATURES_COMPL: 598 //TBD 599 /*FALLTHROUGH*/ 600 case NG_HCI_LEEV_LONG_TERM_KEY_REQUEST: 601 //TBD 602 /*FALLTHROUGH*/ 603 default: 604 NG_FREE_M(event); 605 } 606 return error; 607 } 608 609 /* Inquiry result event */ 610 static int 611 inquiry_result(ng_hci_unit_p unit, struct mbuf *event) 612 { 613 ng_hci_inquiry_result_ep *ep = NULL; 614 ng_hci_neighbor_p n = NULL; 615 bdaddr_t bdaddr; 616 int error = 0; 617 618 NG_HCI_M_PULLUP(event, sizeof(*ep)); 619 if (event == NULL) 620 return (ENOBUFS); 621 622 ep = mtod(event, ng_hci_inquiry_result_ep *); 623 m_adj(event, sizeof(*ep)); 624 625 for (; ep->num_responses > 0; ep->num_responses --) { 626 /* Get remote unit address */ 627 m_copydata(event, 0, sizeof(bdaddr), (caddr_t) &bdaddr); 628 m_adj(event, sizeof(bdaddr)); 629 630 /* Lookup entry in the cache */ 631 n = ng_hci_get_neighbor(unit, &bdaddr, NG_HCI_LINK_ACL); 632 if (n == NULL) { 633 /* Create new entry */ 634 n = ng_hci_new_neighbor(unit); 635 if (n == NULL) { 636 error = ENOMEM; 637 break; 638 } 639 } else 640 getmicrotime(&n->updated); 641 642 bcopy(&bdaddr, &n->bdaddr, sizeof(n->bdaddr)); 643 n->addrtype = NG_HCI_LINK_ACL; 644 645 /* XXX call m_pullup here? */ 646 647 n->page_scan_rep_mode = *mtod(event, u_int8_t *); 648 m_adj(event, sizeof(u_int8_t)); 649 650 /* page_scan_period_mode */ 651 m_adj(event, sizeof(u_int8_t)); 652 653 n->page_scan_mode = *mtod(event, u_int8_t *); 654 m_adj(event, sizeof(u_int8_t)); 655 656 /* class */ 657 m_adj(event, NG_HCI_CLASS_SIZE); 658 659 /* clock offset */ 660 m_copydata(event, 0, sizeof(n->clock_offset), 661 (caddr_t) &n->clock_offset); 662 n->clock_offset = le16toh(n->clock_offset); 663 } 664 665 NG_FREE_M(event); 666 667 return (error); 668 } /* inquiry_result */ 669 670 /* Connection complete event */ 671 static int 672 con_compl(ng_hci_unit_p unit, struct mbuf *event) 673 { 674 ng_hci_con_compl_ep *ep = NULL; 675 ng_hci_unit_con_p con = NULL; 676 int error = 0; 677 678 NG_HCI_M_PULLUP(event, sizeof(*ep)); 679 if (event == NULL) 680 return (ENOBUFS); 681 682 ep = mtod(event, ng_hci_con_compl_ep *); 683 684 /* 685 * Find the first connection descriptor that matches the following: 686 * 687 * 1) con->link_type == ep->link_type 688 * 2) con->state == NG_HCI_CON_W4_CONN_COMPLETE 689 * 3) con->bdaddr == ep->bdaddr 690 */ 691 692 LIST_FOREACH(con, &unit->con_list, next) 693 if (con->link_type == ep->link_type && 694 con->state == NG_HCI_CON_W4_CONN_COMPLETE && 695 bcmp(&con->bdaddr, &ep->bdaddr, sizeof(bdaddr_t)) == 0) 696 break; 697 698 /* 699 * Two possible cases: 700 * 701 * 1) We have found connection descriptor. That means upper layer has 702 * requested this connection via LP_CON_REQ message. In this case 703 * connection must have timeout set. If ng_hci_con_untimeout() fails 704 * then timeout message already went into node's queue. In this case 705 * ignore Connection_Complete event and let timeout deal with it. 706 * 707 * 2) We do not have connection descriptor. That means upper layer 708 * nas not requested this connection or (less likely) we gave up 709 * on this connection (timeout). The most likely scenario is that 710 * we have received Create_Connection/Add_SCO_Connection command 711 * from the RAW hook 712 */ 713 714 if (con == NULL) { 715 if (ep->status != 0) 716 goto out; 717 718 con = ng_hci_new_con(unit, ep->link_type); 719 if (con == NULL) { 720 error = ENOMEM; 721 goto out; 722 } 723 724 bcopy(&ep->bdaddr, &con->bdaddr, sizeof(con->bdaddr)); 725 } else if ((error = ng_hci_con_untimeout(con)) != 0) 726 goto out; 727 728 /* 729 * Update connection descriptor and send notification 730 * to the upper layers. 731 */ 732 733 con->con_handle = NG_HCI_CON_HANDLE(le16toh(ep->con_handle)); 734 con->encryption_mode = ep->encryption_mode; 735 736 ng_hci_lp_con_cfm(con, ep->status); 737 738 /* Adjust connection state */ 739 if (ep->status != 0) 740 ng_hci_free_con(con); 741 else { 742 con->state = NG_HCI_CON_OPEN; 743 744 /* 745 * Change link policy for the ACL connections. Enable all 746 * supported link modes. Enable Role switch as well if 747 * device supports it. 748 */ 749 750 if (ep->link_type == NG_HCI_LINK_ACL) { 751 struct __link_policy { 752 ng_hci_cmd_pkt_t hdr; 753 ng_hci_write_link_policy_settings_cp cp; 754 } __attribute__ ((packed)) *lp; 755 struct mbuf *m; 756 757 MGETHDR(m, M_NOWAIT, MT_DATA); 758 if (m != NULL) { 759 m->m_pkthdr.len = m->m_len = sizeof(*lp); 760 lp = mtod(m, struct __link_policy *); 761 762 lp->hdr.type = NG_HCI_CMD_PKT; 763 lp->hdr.opcode = htole16(NG_HCI_OPCODE( 764 NG_HCI_OGF_LINK_POLICY, 765 NG_HCI_OCF_WRITE_LINK_POLICY_SETTINGS)); 766 lp->hdr.length = sizeof(lp->cp); 767 768 lp->cp.con_handle = ep->con_handle; 769 770 lp->cp.settings = 0; 771 if ((unit->features[0] & NG_HCI_LMP_SWITCH) && 772 unit->role_switch) 773 lp->cp.settings |= 0x1; 774 if (unit->features[0] & NG_HCI_LMP_HOLD_MODE) 775 lp->cp.settings |= 0x2; 776 if (unit->features[0] & NG_HCI_LMP_SNIFF_MODE) 777 lp->cp.settings |= 0x4; 778 if (unit->features[1] & NG_HCI_LMP_PARK_MODE) 779 lp->cp.settings |= 0x8; 780 781 lp->cp.settings &= unit->link_policy_mask; 782 lp->cp.settings = htole16(lp->cp.settings); 783 784 NG_BT_MBUFQ_ENQUEUE(&unit->cmdq, m); 785 if (!(unit->state & NG_HCI_UNIT_COMMAND_PENDING)) 786 ng_hci_send_command(unit); 787 } 788 } 789 } 790 out: 791 NG_FREE_M(event); 792 793 return (error); 794 } /* con_compl */ 795 796 /* Connection request event */ 797 static int 798 con_req(ng_hci_unit_p unit, struct mbuf *event) 799 { 800 ng_hci_con_req_ep *ep = NULL; 801 ng_hci_unit_con_p con = NULL; 802 int error = 0; 803 804 NG_HCI_M_PULLUP(event, sizeof(*ep)); 805 if (event == NULL) 806 return (ENOBUFS); 807 808 ep = mtod(event, ng_hci_con_req_ep *); 809 810 /* 811 * Find the first connection descriptor that matches the following: 812 * 813 * 1) con->link_type == ep->link_type 814 * 815 * 2) con->state == NG_HCI_CON_W4_LP_CON_RSP || 816 * con->state == NG_HCI_CON_W4_CONN_COMPL 817 * 818 * 3) con->bdaddr == ep->bdaddr 819 * 820 * Possible cases: 821 * 822 * 1) We do not have connection descriptor. This is simple. Create 823 * new fresh connection descriptor and send notification to the 824 * appropriate upstream hook (based on link_type). 825 * 826 * 2) We found connection handle. This is more complicated. 827 * 828 * 2.1) ACL links 829 * 830 * Since only one ACL link can exist between each pair of 831 * units then we have a race. Our upper layer has requested 832 * an ACL connection to the remote unit, but we did not send 833 * command yet. At the same time the remote unit has requested 834 * an ACL connection from us. In this case we will ignore 835 * Connection_Request event. This probably will cause connect 836 * failure on both units. 837 * 838 * 2.2) SCO links 839 * 840 * The spec on page 45 says : 841 * 842 * "The master can support up to three SCO links to the same 843 * slave or to different slaves. A slave can support up to 844 * three SCO links from the same master, or two SCO links if 845 * the links originate from different masters." 846 * 847 * The only problem is how to handle multiple SCO links between 848 * matster and slave. For now we will assume that multiple SCO 849 * links MUST be opened one after another. 850 */ 851 852 LIST_FOREACH(con, &unit->con_list, next) 853 if (con->link_type == ep->link_type && 854 (con->state == NG_HCI_CON_W4_LP_CON_RSP || 855 con->state == NG_HCI_CON_W4_CONN_COMPLETE) && 856 bcmp(&con->bdaddr, &ep->bdaddr, sizeof(bdaddr_t)) == 0) 857 break; 858 859 if (con == NULL) { 860 con = ng_hci_new_con(unit, ep->link_type); 861 if (con != NULL) { 862 bcopy(&ep->bdaddr, &con->bdaddr, sizeof(con->bdaddr)); 863 864 con->state = NG_HCI_CON_W4_LP_CON_RSP; 865 ng_hci_con_timeout(con); 866 867 error = ng_hci_lp_con_ind(con, ep->uclass); 868 if (error != 0) { 869 ng_hci_con_untimeout(con); 870 ng_hci_free_con(con); 871 } 872 } else 873 error = ENOMEM; 874 } 875 876 NG_FREE_M(event); 877 878 return (error); 879 } /* con_req */ 880 881 /* Disconnect complete event */ 882 static int 883 discon_compl(ng_hci_unit_p unit, struct mbuf *event) 884 { 885 ng_hci_discon_compl_ep *ep = NULL; 886 ng_hci_unit_con_p con = NULL; 887 int error = 0; 888 u_int16_t h; 889 890 NG_HCI_M_PULLUP(event, sizeof(*ep)); 891 if (event == NULL) 892 return (ENOBUFS); 893 894 ep = mtod(event, ng_hci_discon_compl_ep *); 895 896 /* 897 * XXX 898 * Do we have to send notification if ep->status != 0? 899 * For now we will send notification for both ACL and SCO connections 900 * ONLY if ep->status == 0. 901 */ 902 903 if (ep->status == 0) { 904 h = NG_HCI_CON_HANDLE(le16toh(ep->con_handle)); 905 con = ng_hci_con_by_handle(unit, h); 906 if (con != NULL) { 907 error = ng_hci_lp_discon_ind(con, ep->reason); 908 909 /* Remove all timeouts (if any) */ 910 if (con->flags & NG_HCI_CON_TIMEOUT_PENDING) 911 ng_hci_con_untimeout(con); 912 913 ng_hci_free_con(con); 914 } else { 915 NG_HCI_ALERT( 916 "%s: %s - invalid connection handle=%d\n", 917 __func__, NG_NODE_NAME(unit->node), h); 918 error = ENOENT; 919 } 920 } 921 922 NG_FREE_M(event); 923 924 return (error); 925 } /* discon_compl */ 926 927 /* Encryption change event */ 928 static int 929 encryption_change(ng_hci_unit_p unit, struct mbuf *event) 930 { 931 ng_hci_encryption_change_ep *ep = NULL; 932 ng_hci_unit_con_p con = NULL; 933 int error = 0; 934 u_int16_t h; 935 936 NG_HCI_M_PULLUP(event, sizeof(*ep)); 937 if (event == NULL) 938 return (ENOBUFS); 939 940 ep = mtod(event, ng_hci_encryption_change_ep *); 941 h = NG_HCI_CON_HANDLE(le16toh(ep->con_handle)); 942 con = ng_hci_con_by_handle(unit, h); 943 944 if (ep->status == 0) { 945 if (con == NULL) { 946 NG_HCI_ALERT( 947 "%s: %s - invalid connection handle=%d\n", 948 __func__, NG_NODE_NAME(unit->node), h); 949 error = ENOENT; 950 } else if (con->link_type == NG_HCI_LINK_SCO) { 951 NG_HCI_ALERT( 952 "%s: %s - invalid link type=%d\n", 953 __func__, NG_NODE_NAME(unit->node), 954 con->link_type); 955 error = EINVAL; 956 } else if (ep->encryption_enable) 957 /* XXX is that true? */ 958 con->encryption_mode = NG_HCI_ENCRYPTION_MODE_P2P; 959 else 960 con->encryption_mode = NG_HCI_ENCRYPTION_MODE_NONE; 961 } else 962 NG_HCI_ERR( 963 "%s: %s - failed to change encryption mode, status=%d\n", 964 __func__, NG_NODE_NAME(unit->node), ep->status); 965 966 /*Anyway, propagete encryption status to upper layer*/ 967 ng_hci_lp_enc_change(con, con->encryption_mode); 968 969 NG_FREE_M(event); 970 971 return (error); 972 } /* encryption_change */ 973 974 /* Read remote feature complete event */ 975 static int 976 read_remote_features_compl(ng_hci_unit_p unit, struct mbuf *event) 977 { 978 ng_hci_read_remote_features_compl_ep *ep = NULL; 979 ng_hci_unit_con_p con = NULL; 980 ng_hci_neighbor_p n = NULL; 981 u_int16_t h; 982 int error = 0; 983 984 NG_HCI_M_PULLUP(event, sizeof(*ep)); 985 if (event == NULL) 986 return (ENOBUFS); 987 988 ep = mtod(event, ng_hci_read_remote_features_compl_ep *); 989 990 if (ep->status == 0) { 991 /* Check if we have this connection handle */ 992 h = NG_HCI_CON_HANDLE(le16toh(ep->con_handle)); 993 con = ng_hci_con_by_handle(unit, h); 994 if (con == NULL) { 995 NG_HCI_ALERT( 996 "%s: %s - invalid connection handle=%d\n", 997 __func__, NG_NODE_NAME(unit->node), h); 998 error = ENOENT; 999 goto out; 1000 } 1001 1002 /* Update cache entry */ 1003 n = ng_hci_get_neighbor(unit, &con->bdaddr, NG_HCI_LINK_ACL); 1004 if (n == NULL) { 1005 n = ng_hci_new_neighbor(unit); 1006 if (n == NULL) { 1007 error = ENOMEM; 1008 goto out; 1009 } 1010 1011 bcopy(&con->bdaddr, &n->bdaddr, sizeof(n->bdaddr)); 1012 n->addrtype = NG_HCI_LINK_ACL; 1013 } else 1014 getmicrotime(&n->updated); 1015 1016 bcopy(ep->features, n->features, sizeof(n->features)); 1017 } else 1018 NG_HCI_ERR( 1019 "%s: %s - failed to read remote unit features, status=%d\n", 1020 __func__, NG_NODE_NAME(unit->node), ep->status); 1021 out: 1022 NG_FREE_M(event); 1023 1024 return (error); 1025 } /* read_remote_features_compl */ 1026 1027 /* QoS setup complete event */ 1028 static int 1029 qos_setup_compl(ng_hci_unit_p unit, struct mbuf *event) 1030 { 1031 ng_hci_qos_setup_compl_ep *ep = NULL; 1032 ng_hci_unit_con_p con = NULL; 1033 u_int16_t h; 1034 int error = 0; 1035 1036 NG_HCI_M_PULLUP(event, sizeof(*ep)); 1037 if (event == NULL) 1038 return (ENOBUFS); 1039 1040 ep = mtod(event, ng_hci_qos_setup_compl_ep *); 1041 1042 /* Check if we have this connection handle */ 1043 h = NG_HCI_CON_HANDLE(le16toh(ep->con_handle)); 1044 con = ng_hci_con_by_handle(unit, h); 1045 if (con == NULL) { 1046 NG_HCI_ALERT( 1047 "%s: %s - invalid connection handle=%d\n", 1048 __func__, NG_NODE_NAME(unit->node), h); 1049 error = ENOENT; 1050 } else if (con->link_type != NG_HCI_LINK_ACL) { 1051 NG_HCI_ALERT( 1052 "%s: %s - invalid link type=%d, handle=%d\n", 1053 __func__, NG_NODE_NAME(unit->node), con->link_type, h); 1054 error = EINVAL; 1055 } else if (con->state != NG_HCI_CON_OPEN) { 1056 NG_HCI_ALERT( 1057 "%s: %s - invalid connection state=%d, handle=%d\n", 1058 __func__, NG_NODE_NAME(unit->node), 1059 con->state, h); 1060 error = EINVAL; 1061 } else /* Notify upper layer */ 1062 error = ng_hci_lp_qos_cfm(con, ep->status); 1063 1064 NG_FREE_M(event); 1065 1066 return (error); 1067 } /* qos_setup_compl */ 1068 1069 /* Hardware error event */ 1070 static int 1071 hardware_error(ng_hci_unit_p unit, struct mbuf *event) 1072 { 1073 NG_HCI_ALERT( 1074 "%s: %s - hardware error %#x\n", 1075 __func__, NG_NODE_NAME(unit->node), *mtod(event, u_int8_t *)); 1076 1077 NG_FREE_M(event); 1078 1079 return (0); 1080 } /* hardware_error */ 1081 1082 /* Role change event */ 1083 static int 1084 role_change(ng_hci_unit_p unit, struct mbuf *event) 1085 { 1086 ng_hci_role_change_ep *ep = NULL; 1087 ng_hci_unit_con_p con = NULL; 1088 1089 NG_HCI_M_PULLUP(event, sizeof(*ep)); 1090 if (event == NULL) 1091 return (ENOBUFS); 1092 1093 ep = mtod(event, ng_hci_role_change_ep *); 1094 1095 if (ep->status == 0) { 1096 /* XXX shoud we also change "role" for SCO connections? */ 1097 con = ng_hci_con_by_bdaddr(unit, &ep->bdaddr, NG_HCI_LINK_ACL); 1098 if (con != NULL) 1099 con->role = ep->role; 1100 else 1101 NG_HCI_ALERT( 1102 "%s: %s - ACL connection does not exist, bdaddr=%x:%x:%x:%x:%x:%x\n", 1103 __func__, NG_NODE_NAME(unit->node), 1104 ep->bdaddr.b[5], ep->bdaddr.b[4], 1105 ep->bdaddr.b[3], ep->bdaddr.b[2], 1106 ep->bdaddr.b[1], ep->bdaddr.b[0]); 1107 } else 1108 NG_HCI_ERR( 1109 "%s: %s - failed to change role, status=%d, bdaddr=%x:%x:%x:%x:%x:%x\n", 1110 __func__, NG_NODE_NAME(unit->node), ep->status, 1111 ep->bdaddr.b[5], ep->bdaddr.b[4], ep->bdaddr.b[3], 1112 ep->bdaddr.b[2], ep->bdaddr.b[1], ep->bdaddr.b[0]); 1113 1114 NG_FREE_M(event); 1115 1116 return (0); 1117 } /* role_change */ 1118 1119 /* Number of completed packets event */ 1120 static int 1121 num_compl_pkts(ng_hci_unit_p unit, struct mbuf *event) 1122 { 1123 ng_hci_num_compl_pkts_ep *ep = NULL; 1124 ng_hci_unit_con_p con = NULL; 1125 u_int16_t h, p; 1126 1127 NG_HCI_M_PULLUP(event, sizeof(*ep)); 1128 if (event == NULL) 1129 return (ENOBUFS); 1130 1131 ep = mtod(event, ng_hci_num_compl_pkts_ep *); 1132 m_adj(event, sizeof(*ep)); 1133 1134 for (; ep->num_con_handles > 0; ep->num_con_handles --) { 1135 /* Get connection handle */ 1136 m_copydata(event, 0, sizeof(h), (caddr_t) &h); 1137 m_adj(event, sizeof(h)); 1138 h = NG_HCI_CON_HANDLE(le16toh(h)); 1139 1140 /* Get number of completed packets */ 1141 m_copydata(event, 0, sizeof(p), (caddr_t) &p); 1142 m_adj(event, sizeof(p)); 1143 p = le16toh(p); 1144 1145 /* Check if we have this connection handle */ 1146 con = ng_hci_con_by_handle(unit, h); 1147 if (con != NULL) { 1148 con->pending -= p; 1149 if (con->pending < 0) { 1150 NG_HCI_WARN( 1151 "%s: %s - pending packet counter is out of sync! " \ 1152 "handle=%d, pending=%d, ncp=%d\n", __func__, NG_NODE_NAME(unit->node), 1153 con->con_handle, con->pending, p); 1154 1155 con->pending = 0; 1156 } 1157 1158 /* Update buffer descriptor */ 1159 if (con->link_type != NG_HCI_LINK_SCO) 1160 NG_HCI_BUFF_ACL_FREE(unit->buffer, p); 1161 else 1162 NG_HCI_BUFF_SCO_FREE(unit->buffer, p); 1163 } else 1164 NG_HCI_ALERT( 1165 "%s: %s - invalid connection handle=%d\n", 1166 __func__, NG_NODE_NAME(unit->node), h); 1167 } 1168 1169 NG_FREE_M(event); 1170 1171 /* Send more data */ 1172 ng_hci_send_data(unit); 1173 1174 return (0); 1175 } /* num_compl_pkts */ 1176 1177 /* Mode change event */ 1178 static int 1179 mode_change(ng_hci_unit_p unit, struct mbuf *event) 1180 { 1181 ng_hci_mode_change_ep *ep = NULL; 1182 ng_hci_unit_con_p con = NULL; 1183 int error = 0; 1184 1185 NG_HCI_M_PULLUP(event, sizeof(*ep)); 1186 if (event == NULL) 1187 return (ENOBUFS); 1188 1189 ep = mtod(event, ng_hci_mode_change_ep *); 1190 1191 if (ep->status == 0) { 1192 u_int16_t h = NG_HCI_CON_HANDLE(le16toh(ep->con_handle)); 1193 1194 con = ng_hci_con_by_handle(unit, h); 1195 if (con == NULL) { 1196 NG_HCI_ALERT( 1197 "%s: %s - invalid connection handle=%d\n", 1198 __func__, NG_NODE_NAME(unit->node), h); 1199 error = ENOENT; 1200 } else if (con->link_type != NG_HCI_LINK_ACL) { 1201 NG_HCI_ALERT( 1202 "%s: %s - invalid link type=%d\n", 1203 __func__, NG_NODE_NAME(unit->node), 1204 con->link_type); 1205 error = EINVAL; 1206 } else 1207 con->mode = ep->unit_mode; 1208 } else 1209 NG_HCI_ERR( 1210 "%s: %s - failed to change mode, status=%d\n", 1211 __func__, NG_NODE_NAME(unit->node), ep->status); 1212 1213 NG_FREE_M(event); 1214 1215 return (error); 1216 } /* mode_change */ 1217 1218 /* Data buffer overflow event */ 1219 static int 1220 data_buffer_overflow(ng_hci_unit_p unit, struct mbuf *event) 1221 { 1222 NG_HCI_ALERT( 1223 "%s: %s - %s data buffer overflow\n", 1224 __func__, NG_NODE_NAME(unit->node), 1225 (*mtod(event, u_int8_t *) == NG_HCI_LINK_ACL)? "ACL" : "SCO"); 1226 1227 NG_FREE_M(event); 1228 1229 return (0); 1230 } /* data_buffer_overflow */ 1231 1232 /* Read clock offset complete event */ 1233 static int 1234 read_clock_offset_compl(ng_hci_unit_p unit, struct mbuf *event) 1235 { 1236 ng_hci_read_clock_offset_compl_ep *ep = NULL; 1237 ng_hci_unit_con_p con = NULL; 1238 ng_hci_neighbor_p n = NULL; 1239 int error = 0; 1240 1241 NG_HCI_M_PULLUP(event, sizeof(*ep)); 1242 if (event == NULL) 1243 return (ENOBUFS); 1244 1245 ep = mtod(event, ng_hci_read_clock_offset_compl_ep *); 1246 1247 if (ep->status == 0) { 1248 u_int16_t h = NG_HCI_CON_HANDLE(le16toh(ep->con_handle)); 1249 1250 con = ng_hci_con_by_handle(unit, h); 1251 if (con == NULL) { 1252 NG_HCI_ALERT( 1253 "%s: %s - invalid connection handle=%d\n", 1254 __func__, NG_NODE_NAME(unit->node), h); 1255 error = ENOENT; 1256 goto out; 1257 } 1258 1259 /* Update cache entry */ 1260 n = ng_hci_get_neighbor(unit, &con->bdaddr, NG_HCI_LINK_ACL); 1261 if (n == NULL) { 1262 n = ng_hci_new_neighbor(unit); 1263 if (n == NULL) { 1264 error = ENOMEM; 1265 goto out; 1266 } 1267 1268 bcopy(&con->bdaddr, &n->bdaddr, sizeof(n->bdaddr)); 1269 n->addrtype = NG_HCI_LINK_ACL; 1270 } else 1271 getmicrotime(&n->updated); 1272 1273 n->clock_offset = le16toh(ep->clock_offset); 1274 } else 1275 NG_HCI_ERR( 1276 "%s: %s - failed to Read Remote Clock Offset, status=%d\n", 1277 __func__, NG_NODE_NAME(unit->node), ep->status); 1278 out: 1279 NG_FREE_M(event); 1280 1281 return (error); 1282 } /* read_clock_offset_compl */ 1283 1284 /* QoS violation event */ 1285 static int 1286 qos_violation(ng_hci_unit_p unit, struct mbuf *event) 1287 { 1288 ng_hci_qos_violation_ep *ep = NULL; 1289 ng_hci_unit_con_p con = NULL; 1290 u_int16_t h; 1291 int error = 0; 1292 1293 NG_HCI_M_PULLUP(event, sizeof(*ep)); 1294 if (event == NULL) 1295 return (ENOBUFS); 1296 1297 ep = mtod(event, ng_hci_qos_violation_ep *); 1298 1299 /* Check if we have this connection handle */ 1300 h = NG_HCI_CON_HANDLE(le16toh(ep->con_handle)); 1301 con = ng_hci_con_by_handle(unit, h); 1302 if (con == NULL) { 1303 NG_HCI_ALERT( 1304 "%s: %s - invalid connection handle=%d\n", 1305 __func__, NG_NODE_NAME(unit->node), h); 1306 error = ENOENT; 1307 } else if (con->link_type != NG_HCI_LINK_ACL) { 1308 NG_HCI_ALERT( 1309 "%s: %s - invalid link type=%d\n", 1310 __func__, NG_NODE_NAME(unit->node), con->link_type); 1311 error = EINVAL; 1312 } else if (con->state != NG_HCI_CON_OPEN) { 1313 NG_HCI_ALERT( 1314 "%s: %s - invalid connection state=%d, handle=%d\n", 1315 __func__, NG_NODE_NAME(unit->node), con->state, h); 1316 error = EINVAL; 1317 } else /* Notify upper layer */ 1318 error = ng_hci_lp_qos_ind(con); 1319 1320 NG_FREE_M(event); 1321 1322 return (error); 1323 } /* qos_violation */ 1324 1325 /* Page scan mode change event */ 1326 static int 1327 page_scan_mode_change(ng_hci_unit_p unit, struct mbuf *event) 1328 { 1329 ng_hci_page_scan_mode_change_ep *ep = NULL; 1330 ng_hci_neighbor_p n = NULL; 1331 int error = 0; 1332 1333 NG_HCI_M_PULLUP(event, sizeof(*ep)); 1334 if (event == NULL) 1335 return (ENOBUFS); 1336 1337 ep = mtod(event, ng_hci_page_scan_mode_change_ep *); 1338 1339 /* Update cache entry */ 1340 n = ng_hci_get_neighbor(unit, &ep->bdaddr, NG_HCI_LINK_ACL); 1341 if (n == NULL) { 1342 n = ng_hci_new_neighbor(unit); 1343 if (n == NULL) { 1344 error = ENOMEM; 1345 goto out; 1346 } 1347 1348 bcopy(&ep->bdaddr, &n->bdaddr, sizeof(n->bdaddr)); 1349 n->addrtype = NG_HCI_LINK_ACL; 1350 } else 1351 getmicrotime(&n->updated); 1352 1353 n->page_scan_mode = ep->page_scan_mode; 1354 out: 1355 NG_FREE_M(event); 1356 1357 return (error); 1358 } /* page_scan_mode_change */ 1359 1360 /* Page scan repetition mode change event */ 1361 static int 1362 page_scan_rep_mode_change(ng_hci_unit_p unit, struct mbuf *event) 1363 { 1364 ng_hci_page_scan_rep_mode_change_ep *ep = NULL; 1365 ng_hci_neighbor_p n = NULL; 1366 int error = 0; 1367 1368 NG_HCI_M_PULLUP(event, sizeof(*ep)); 1369 if (event == NULL) 1370 return (ENOBUFS); 1371 1372 ep = mtod(event, ng_hci_page_scan_rep_mode_change_ep *); 1373 1374 /* Update cache entry */ 1375 n = ng_hci_get_neighbor(unit, &ep->bdaddr, NG_HCI_LINK_ACL); 1376 if (n == NULL) { 1377 n = ng_hci_new_neighbor(unit); 1378 if (n == NULL) { 1379 error = ENOMEM; 1380 goto out; 1381 } 1382 1383 bcopy(&ep->bdaddr, &n->bdaddr, sizeof(n->bdaddr)); 1384 n->addrtype = NG_HCI_LINK_ACL; 1385 } else 1386 getmicrotime(&n->updated); 1387 1388 n->page_scan_rep_mode = ep->page_scan_rep_mode; 1389 out: 1390 NG_FREE_M(event); 1391 1392 return (error); 1393 } /* page_scan_rep_mode_change */ 1394