1/* 2 * ng_hci_cmds.c 3 */ 4 5/*- 6 * Copyright (c) Maksim Yevmenkin <m_evmenkin@yahoo.com> 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $Id: ng_hci_cmds.c,v 1.4 2003/09/08 18:57:51 max Exp $ 31 * $FreeBSD: stable/11/sys/netgraph/bluetooth/hci/ng_hci_cmds.c 361165 2020-05-18 08:57:55Z hselasky $ 32 */ 33 34#include <sys/param.h> 35#include <sys/systm.h> 36#include <sys/kernel.h> 37#include <sys/endian.h> 38#include <sys/malloc.h> 39#include <sys/mbuf.h> 40#include <sys/queue.h> 41#include <netgraph/ng_message.h> 42#include <netgraph/netgraph.h> 43#include <netgraph/bluetooth/include/ng_bluetooth.h> 44#include <netgraph/bluetooth/include/ng_hci.h> 45#include <netgraph/bluetooth/hci/ng_hci_var.h> 46#include <netgraph/bluetooth/hci/ng_hci_cmds.h> 47#include <netgraph/bluetooth/hci/ng_hci_evnt.h> 48#include <netgraph/bluetooth/hci/ng_hci_ulpi.h> 49#include <netgraph/bluetooth/hci/ng_hci_misc.h> 50 51/****************************************************************************** 52 ****************************************************************************** 53 ** HCI commands processing module 54 ****************************************************************************** 55 ******************************************************************************/ 56 57#undef min 58#define min(a, b) ((a) < (b))? (a) : (b) 59 60static int complete_command (ng_hci_unit_p, int, struct mbuf **); 61 62static int process_link_control_params 63 (ng_hci_unit_p, u_int16_t, struct mbuf *, struct mbuf *); 64static int process_link_policy_params 65 (ng_hci_unit_p, u_int16_t, struct mbuf *, struct mbuf *); 66static int process_hc_baseband_params 67 (ng_hci_unit_p, u_int16_t, struct mbuf *, struct mbuf *); 68static int process_info_params 69 (ng_hci_unit_p, u_int16_t, struct mbuf *, struct mbuf *); 70static int process_status_params 71 (ng_hci_unit_p, u_int16_t, struct mbuf *, struct mbuf *); 72static int process_testing_params 73 (ng_hci_unit_p, u_int16_t, struct mbuf *, struct mbuf *); 74static int process_le_params 75 (ng_hci_unit_p, u_int16_t, struct mbuf *, struct mbuf *); 76 77static int process_link_control_status 78 (ng_hci_unit_p, ng_hci_command_status_ep *, struct mbuf *); 79static int process_link_policy_status 80 (ng_hci_unit_p, ng_hci_command_status_ep *, struct mbuf *); 81static int process_le_status 82 (ng_hci_unit_p, ng_hci_command_status_ep *, struct mbuf *); 83 84/* 85 * Send HCI command to the driver. 86 */ 87 88int 89ng_hci_send_command(ng_hci_unit_p unit) 90{ 91 struct mbuf *m0 = NULL, *m = NULL; 92 int free, error = 0; 93 94 /* Check if other command is pending */ 95 if (unit->state & NG_HCI_UNIT_COMMAND_PENDING) 96 return (0); 97 98 /* Check if unit can accept our command */ 99 NG_HCI_BUFF_CMD_GET(unit->buffer, free); 100 if (free == 0) 101 return (0); 102 103 /* Check if driver hook is still ok */ 104 if (unit->drv == NULL || NG_HOOK_NOT_VALID(unit->drv)) { 105 NG_HCI_WARN( 106"%s: %s - hook \"%s\" is not connected or valid\n", 107 __func__, NG_NODE_NAME(unit->node), NG_HCI_HOOK_DRV); 108 109 NG_BT_MBUFQ_DRAIN(&unit->cmdq); 110 111 return (ENOTCONN); 112 } 113 114 /* 115 * Get first command from queue, give it to RAW hook then 116 * make copy of it and send it to the driver 117 */ 118 119 m0 = NG_BT_MBUFQ_FIRST(&unit->cmdq); 120 if (m0 == NULL) 121 return (0); 122 123 ng_hci_mtap(unit, m0); 124 125 m = m_dup(m0, M_NOWAIT); 126 if (m != NULL) 127 NG_SEND_DATA_ONLY(error, unit->drv, m); 128 else 129 error = ENOBUFS; 130 131 if (error != 0) 132 NG_HCI_ERR( 133"%s: %s - could not send HCI command, error=%d\n", 134 __func__, NG_NODE_NAME(unit->node), error); 135 136 /* 137 * Even if we were not able to send command we still pretend 138 * that everything is OK and let timeout handle that. 139 */ 140 141 NG_HCI_BUFF_CMD_USE(unit->buffer, 1); 142 NG_HCI_STAT_CMD_SENT(unit->stat); 143 NG_HCI_STAT_BYTES_SENT(unit->stat, m0->m_pkthdr.len); 144 145 /* 146 * Note: ng_hci_command_timeout() will set 147 * NG_HCI_UNIT_COMMAND_PENDING flag 148 */ 149 150 ng_hci_command_timeout(unit); 151 152 return (0); 153} /* ng_hci_send_command */ 154 155/* 156 * Process HCI Command_Compete event. Complete HCI command, and do post 157 * processing on the command parameters (cp) and command return parameters 158 * (e) if required (for example adjust state). 159 */ 160 161int 162ng_hci_process_command_complete(ng_hci_unit_p unit, struct mbuf *e) 163{ 164 ng_hci_command_compl_ep *ep = NULL; 165 struct mbuf *cp = NULL; 166 int error = 0; 167 168 /* Get event packet and update command buffer info */ 169 NG_HCI_M_PULLUP(e, sizeof(*ep)); 170 if (e == NULL) 171 return (ENOBUFS); /* XXX this is bad */ 172 173 ep = mtod(e, ng_hci_command_compl_ep *); 174 NG_HCI_BUFF_CMD_SET(unit->buffer, ep->num_cmd_pkts); 175 176 /* Check for special NOOP command */ 177 if (ep->opcode == 0x0000) { 178 NG_FREE_M(e); 179 goto out; 180 } 181 182 /* Try to match first command item in the queue */ 183 error = complete_command(unit, ep->opcode, &cp); 184 if (error != 0) { 185 NG_FREE_M(e); 186 goto out; 187 } 188 189 /* 190 * Perform post processing on command parameters and return parameters 191 * do it only if status is OK (status == 0). Status is the first byte 192 * of any command return parameters. 193 */ 194 195 ep->opcode = le16toh(ep->opcode); 196 m_adj(e, sizeof(*ep)); 197 198 if (*mtod(e, u_int8_t *) == 0) { /* XXX m_pullup here? */ 199 switch (NG_HCI_OGF(ep->opcode)) { 200 case NG_HCI_OGF_LINK_CONTROL: 201 error = process_link_control_params(unit, 202 NG_HCI_OCF(ep->opcode), cp, e); 203 break; 204 205 case NG_HCI_OGF_LINK_POLICY: 206 error = process_link_policy_params(unit, 207 NG_HCI_OCF(ep->opcode), cp, e); 208 break; 209 210 case NG_HCI_OGF_HC_BASEBAND: 211 error = process_hc_baseband_params(unit, 212 NG_HCI_OCF(ep->opcode), cp, e); 213 break; 214 215 case NG_HCI_OGF_INFO: 216 error = process_info_params(unit, 217 NG_HCI_OCF(ep->opcode), cp, e); 218 break; 219 220 case NG_HCI_OGF_STATUS: 221 error = process_status_params(unit, 222 NG_HCI_OCF(ep->opcode), cp, e); 223 break; 224 225 case NG_HCI_OGF_TESTING: 226 error = process_testing_params(unit, 227 NG_HCI_OCF(ep->opcode), cp, e); 228 break; 229 case NG_HCI_OGF_LE: 230 error = process_le_params(unit, 231 NG_HCI_OCF(ep->opcode), cp, e); 232 break; 233 case NG_HCI_OGF_BT_LOGO: 234 case NG_HCI_OGF_VENDOR: 235 NG_FREE_M(cp); 236 NG_FREE_M(e); 237 break; 238 239 default: 240 NG_FREE_M(cp); 241 NG_FREE_M(e); 242 error = EINVAL; 243 break; 244 } 245 } else { 246 NG_HCI_ERR( 247"%s: %s - HCI command failed, OGF=%#x, OCF=%#x, status=%#x\n", 248 __func__, NG_NODE_NAME(unit->node), 249 NG_HCI_OGF(ep->opcode), NG_HCI_OCF(ep->opcode), 250 *mtod(e, u_int8_t *)); 251 252 NG_FREE_M(cp); 253 NG_FREE_M(e); 254 } 255out: 256 ng_hci_send_command(unit); 257 258 return (error); 259} /* ng_hci_process_command_complete */ 260 261/* 262 * Process HCI Command_Status event. Check the status (mst) and do post 263 * processing (if required). 264 */ 265 266int 267ng_hci_process_command_status(ng_hci_unit_p unit, struct mbuf *e) 268{ 269 ng_hci_command_status_ep *ep = NULL; 270 struct mbuf *cp = NULL; 271 int error = 0; 272 273 /* Update command buffer info */ 274 NG_HCI_M_PULLUP(e, sizeof(*ep)); 275 if (e == NULL) 276 return (ENOBUFS); /* XXX this is bad */ 277 278 ep = mtod(e, ng_hci_command_status_ep *); 279 NG_HCI_BUFF_CMD_SET(unit->buffer, ep->num_cmd_pkts); 280 281 /* Check for special NOOP command */ 282 if (ep->opcode == 0x0000) 283 goto out; 284 285 /* Try to match first command item in the queue */ 286 error = complete_command(unit, ep->opcode, &cp); 287 if (error != 0) 288 goto out; 289 290 /* 291 * Perform post processing on HCI Command_Status event 292 */ 293 294 ep->opcode = le16toh(ep->opcode); 295 296 switch (NG_HCI_OGF(ep->opcode)) { 297 case NG_HCI_OGF_LINK_CONTROL: 298 error = process_link_control_status(unit, ep, cp); 299 break; 300 301 case NG_HCI_OGF_LINK_POLICY: 302 error = process_link_policy_status(unit, ep, cp); 303 break; 304 case NG_HCI_OGF_LE: 305 error = process_le_status(unit, ep, cp); 306 break; 307 case NG_HCI_OGF_BT_LOGO: 308 case NG_HCI_OGF_VENDOR: 309 NG_FREE_M(cp); 310 break; 311 312 case NG_HCI_OGF_HC_BASEBAND: 313 case NG_HCI_OGF_INFO: 314 case NG_HCI_OGF_STATUS: 315 case NG_HCI_OGF_TESTING: 316 default: 317 NG_FREE_M(cp); 318 error = EINVAL; 319 break; 320 } 321out: 322 NG_FREE_M(e); 323 ng_hci_send_command(unit); 324 325 return (error); 326} /* ng_hci_process_command_status */ 327 328/* 329 * Complete queued HCI command. 330 */ 331 332static int 333complete_command(ng_hci_unit_p unit, int opcode, struct mbuf **cp) 334{ 335 struct mbuf *m = NULL; 336 337 /* Check unit state */ 338 if (!(unit->state & NG_HCI_UNIT_COMMAND_PENDING)) { 339 NG_HCI_ALERT( 340"%s: %s - no pending command, state=%#x\n", 341 __func__, NG_NODE_NAME(unit->node), unit->state); 342 343 return (EINVAL); 344 } 345 346 /* Get first command in the queue */ 347 m = NG_BT_MBUFQ_FIRST(&unit->cmdq); 348 if (m == NULL) { 349 NG_HCI_ALERT( 350"%s: %s - empty command queue?!\n", __func__, NG_NODE_NAME(unit->node)); 351 352 return (EINVAL); 353 } 354 355 /* 356 * Match command opcode, if does not match - do nothing and 357 * let timeout handle that. 358 */ 359 360 if (mtod(m, ng_hci_cmd_pkt_t *)->opcode != opcode) { 361 NG_HCI_ALERT( 362"%s: %s - command queue is out of sync\n", __func__, NG_NODE_NAME(unit->node)); 363 364 return (EINVAL); 365 } 366 367 /* 368 * Now we can remove command timeout, dequeue completed command 369 * and return command parameters. ng_hci_command_untimeout will 370 * drop NG_HCI_UNIT_COMMAND_PENDING flag. 371 * Note: if ng_hci_command_untimeout() fails (returns non-zero) 372 * then timeout already happened and timeout message went info node 373 * queue. In this case we ignore command completion and pretend 374 * there is a timeout. 375 */ 376 377 if (ng_hci_command_untimeout(unit) != 0) 378 return (ETIMEDOUT); 379 380 NG_BT_MBUFQ_DEQUEUE(&unit->cmdq, *cp); 381 m_adj(*cp, sizeof(ng_hci_cmd_pkt_t)); 382 383 return (0); 384} /* complete_command */ 385 386/* 387 * Process HCI command timeout 388 */ 389 390void 391ng_hci_process_command_timeout(node_p node, hook_p hook, void *arg1, int arg2) 392{ 393 ng_hci_unit_p unit = NULL; 394 struct mbuf *m = NULL; 395 u_int16_t opcode; 396 397 if (NG_NODE_NOT_VALID(node)) { 398 printf("%s: Netgraph node is not valid\n", __func__); 399 return; 400 } 401 402 unit = (ng_hci_unit_p) NG_NODE_PRIVATE(node); 403 404 if (unit->state & NG_HCI_UNIT_COMMAND_PENDING) { 405 unit->state &= ~NG_HCI_UNIT_COMMAND_PENDING; 406 407 NG_BT_MBUFQ_DEQUEUE(&unit->cmdq, m); 408 if (m == NULL) { 409 NG_HCI_ALERT( 410"%s: %s - command queue is out of sync!\n", __func__, NG_NODE_NAME(unit->node)); 411 412 return; 413 } 414 415 opcode = le16toh(mtod(m, ng_hci_cmd_pkt_t *)->opcode); 416 NG_FREE_M(m); 417 418 NG_HCI_ERR( 419"%s: %s - unable to complete HCI command OGF=%#x, OCF=%#x. Timeout\n", 420 __func__, NG_NODE_NAME(unit->node), NG_HCI_OGF(opcode), 421 NG_HCI_OCF(opcode)); 422 423 /* Try to send more commands */ 424 NG_HCI_BUFF_CMD_SET(unit->buffer, 1); 425 ng_hci_send_command(unit); 426 } else 427 NG_HCI_ALERT( 428"%s: %s - no pending command\n", __func__, NG_NODE_NAME(unit->node)); 429} /* ng_hci_process_command_timeout */ 430 431/* 432 * Process link command return parameters 433 */ 434 435static int 436process_link_control_params(ng_hci_unit_p unit, u_int16_t ocf, 437 struct mbuf *mcp, struct mbuf *mrp) 438{ 439 int error = 0; 440 441 switch (ocf) { 442 case NG_HCI_OCF_INQUIRY_CANCEL: 443 case NG_HCI_OCF_PERIODIC_INQUIRY: 444 case NG_HCI_OCF_EXIT_PERIODIC_INQUIRY: 445 case NG_HCI_OCF_LINK_KEY_REP: 446 case NG_HCI_OCF_LINK_KEY_NEG_REP: 447 case NG_HCI_OCF_PIN_CODE_REP: 448 case NG_HCI_OCF_PIN_CODE_NEG_REP: 449 /* These do not need post processing */ 450 break; 451 452 case NG_HCI_OCF_INQUIRY: 453 case NG_HCI_OCF_CREATE_CON: 454 case NG_HCI_OCF_DISCON: 455 case NG_HCI_OCF_ADD_SCO_CON: 456 case NG_HCI_OCF_ACCEPT_CON: 457 case NG_HCI_OCF_REJECT_CON: 458 case NG_HCI_OCF_CHANGE_CON_PKT_TYPE: 459 case NG_HCI_OCF_AUTH_REQ: 460 case NG_HCI_OCF_SET_CON_ENCRYPTION: 461 case NG_HCI_OCF_CHANGE_CON_LINK_KEY: 462 case NG_HCI_OCF_MASTER_LINK_KEY: 463 case NG_HCI_OCF_REMOTE_NAME_REQ: 464 case NG_HCI_OCF_READ_REMOTE_FEATURES: 465 case NG_HCI_OCF_READ_REMOTE_VER_INFO: 466 case NG_HCI_OCF_READ_CLOCK_OFFSET: 467 default: 468 469 /* 470 * None of these command was supposed to generate 471 * Command_Complete event. Instead Command_Status event 472 * should have been generated and then appropriate event 473 * should have been sent to indicate the final result. 474 */ 475 476 error = EINVAL; 477 break; 478 } 479 480 NG_FREE_M(mcp); 481 NG_FREE_M(mrp); 482 483 return (error); 484} /* process_link_control_params */ 485 486/* 487 * Process link policy command return parameters 488 */ 489 490static int 491process_link_policy_params(ng_hci_unit_p unit, u_int16_t ocf, 492 struct mbuf *mcp, struct mbuf *mrp) 493{ 494 int error = 0; 495 496 switch (ocf){ 497 case NG_HCI_OCF_ROLE_DISCOVERY: { 498 ng_hci_role_discovery_rp *rp = NULL; 499 ng_hci_unit_con_t *con = NULL; 500 u_int16_t h; 501 502 NG_HCI_M_PULLUP(mrp, sizeof(*rp)); 503 if (mrp != NULL) { 504 rp = mtod(mrp, ng_hci_role_discovery_rp *); 505 506 h = NG_HCI_CON_HANDLE(le16toh(rp->con_handle)); 507 con = ng_hci_con_by_handle(unit, h); 508 if (con == NULL) { 509 NG_HCI_ALERT( 510"%s: %s - invalid connection handle=%d\n", 511 __func__, NG_NODE_NAME(unit->node), h); 512 error = ENOENT; 513 } else if (con->link_type != NG_HCI_LINK_ACL) { 514 NG_HCI_ALERT( 515"%s: %s - invalid link type=%d\n", __func__, NG_NODE_NAME(unit->node), 516 con->link_type); 517 error = EINVAL; 518 } else 519 con->role = rp->role; 520 } else 521 error = ENOBUFS; 522 } break; 523 524 case NG_HCI_OCF_READ_LINK_POLICY_SETTINGS: 525 case NG_HCI_OCF_WRITE_LINK_POLICY_SETTINGS: 526 /* These do not need post processing */ 527 break; 528 529 case NG_HCI_OCF_HOLD_MODE: 530 case NG_HCI_OCF_SNIFF_MODE: 531 case NG_HCI_OCF_EXIT_SNIFF_MODE: 532 case NG_HCI_OCF_PARK_MODE: 533 case NG_HCI_OCF_EXIT_PARK_MODE: 534 case NG_HCI_OCF_QOS_SETUP: 535 case NG_HCI_OCF_SWITCH_ROLE: 536 default: 537 538 /* 539 * None of these command was supposed to generate 540 * Command_Complete event. Instead Command_Status event 541 * should have been generated and then appropriate event 542 * should have been sent to indicate the final result. 543 */ 544 545 error = EINVAL; 546 break; 547 } 548 549 NG_FREE_M(mcp); 550 NG_FREE_M(mrp); 551 552 return (error); 553} /* process_link_policy_params */ 554 555/* 556 * Process HC and baseband command return parameters 557 */ 558 559int 560process_hc_baseband_params(ng_hci_unit_p unit, u_int16_t ocf, 561 struct mbuf *mcp, struct mbuf *mrp) 562{ 563 int error = 0; 564 565 switch (ocf) { 566 case NG_HCI_OCF_SET_EVENT_MASK: 567 case NG_HCI_OCF_SET_EVENT_FILTER: 568 case NG_HCI_OCF_FLUSH: /* XXX Do we need to handle that? */ 569 case NG_HCI_OCF_READ_PIN_TYPE: 570 case NG_HCI_OCF_WRITE_PIN_TYPE: 571 case NG_HCI_OCF_CREATE_NEW_UNIT_KEY: 572 case NG_HCI_OCF_WRITE_STORED_LINK_KEY: 573 case NG_HCI_OCF_WRITE_CON_ACCEPT_TIMO: 574 case NG_HCI_OCF_WRITE_PAGE_TIMO: 575 case NG_HCI_OCF_READ_SCAN_ENABLE: 576 case NG_HCI_OCF_WRITE_SCAN_ENABLE: 577 case NG_HCI_OCF_WRITE_PAGE_SCAN_ACTIVITY: 578 case NG_HCI_OCF_WRITE_INQUIRY_SCAN_ACTIVITY: 579 case NG_HCI_OCF_READ_AUTH_ENABLE: 580 case NG_HCI_OCF_WRITE_AUTH_ENABLE: 581 case NG_HCI_OCF_READ_ENCRYPTION_MODE: 582 case NG_HCI_OCF_WRITE_ENCRYPTION_MODE: 583 case NG_HCI_OCF_WRITE_VOICE_SETTINGS: 584 case NG_HCI_OCF_READ_NUM_BROADCAST_RETRANS: 585 case NG_HCI_OCF_WRITE_NUM_BROADCAST_RETRANS: 586 case NG_HCI_OCF_READ_HOLD_MODE_ACTIVITY: 587 case NG_HCI_OCF_WRITE_HOLD_MODE_ACTIVITY: 588 case NG_HCI_OCF_READ_SCO_FLOW_CONTROL: 589 case NG_HCI_OCF_WRITE_SCO_FLOW_CONTROL: 590 case NG_HCI_OCF_H2HC_FLOW_CONTROL: /* XXX Not supported this time */ 591 case NG_HCI_OCF_HOST_BUFFER_SIZE: 592 case NG_HCI_OCF_READ_IAC_LAP: 593 case NG_HCI_OCF_WRITE_IAC_LAP: 594 case NG_HCI_OCF_READ_PAGE_SCAN_PERIOD: 595 case NG_HCI_OCF_WRITE_PAGE_SCAN_PERIOD: 596 case NG_HCI_OCF_READ_PAGE_SCAN: 597 case NG_HCI_OCF_WRITE_PAGE_SCAN: 598 case NG_HCI_OCF_READ_LINK_SUPERVISION_TIMO: 599 case NG_HCI_OCF_WRITE_LINK_SUPERVISION_TIMO: 600 case NG_HCI_OCF_READ_SUPPORTED_IAC_NUM: 601 case NG_HCI_OCF_READ_STORED_LINK_KEY: 602 case NG_HCI_OCF_DELETE_STORED_LINK_KEY: 603 case NG_HCI_OCF_READ_CON_ACCEPT_TIMO: 604 case NG_HCI_OCF_READ_PAGE_TIMO: 605 case NG_HCI_OCF_READ_PAGE_SCAN_ACTIVITY: 606 case NG_HCI_OCF_READ_INQUIRY_SCAN_ACTIVITY: 607 case NG_HCI_OCF_READ_VOICE_SETTINGS: 608 case NG_HCI_OCF_READ_AUTO_FLUSH_TIMO: 609 case NG_HCI_OCF_WRITE_AUTO_FLUSH_TIMO: 610 case NG_HCI_OCF_READ_XMIT_LEVEL: 611 case NG_HCI_OCF_HOST_NUM_COMPL_PKTS: /* XXX Can get here? */ 612 case NG_HCI_OCF_CHANGE_LOCAL_NAME: 613 case NG_HCI_OCF_READ_LOCAL_NAME: 614 case NG_HCI_OCF_READ_UNIT_CLASS: 615 case NG_HCI_OCF_WRITE_UNIT_CLASS: 616 case NG_HCI_OCF_READ_LE_HOST_SUPPORTED: 617 case NG_HCI_OCF_WRITE_LE_HOST_SUPPORTED: 618 /* These do not need post processing */ 619 break; 620 621 case NG_HCI_OCF_RESET: { 622 ng_hci_unit_con_p con = NULL; 623 int size; 624 625 /* 626 * XXX 627 * 628 * After RESET command unit goes into standby mode 629 * and all operational state is lost. Host controller 630 * will revert to default values for all parameters. 631 * 632 * For now we shall terminate all connections and drop 633 * inited bit. After RESET unit must be re-initialized. 634 */ 635 636 while (!LIST_EMPTY(&unit->con_list)) { 637 con = LIST_FIRST(&unit->con_list); 638 639 /* Remove all timeouts (if any) */ 640 if (con->flags & NG_HCI_CON_TIMEOUT_PENDING) 641 ng_hci_con_untimeout(con); 642 643 /* Connection terminated by local host */ 644 ng_hci_lp_discon_ind(con, 0x16); 645 ng_hci_free_con(con); 646 } 647 648 NG_HCI_BUFF_ACL_TOTAL(unit->buffer, size); 649 NG_HCI_BUFF_ACL_FREE(unit->buffer, size); 650 651 NG_HCI_BUFF_SCO_TOTAL(unit->buffer, size); 652 NG_HCI_BUFF_SCO_FREE(unit->buffer, size); 653 654 unit->state &= ~NG_HCI_UNIT_INITED; 655 } break; 656 657 default: 658 error = EINVAL; 659 break; 660 } 661 662 NG_FREE_M(mcp); 663 NG_FREE_M(mrp); 664 665 return (error); 666} /* process_hc_baseband_params */ 667 668/* 669 * Process info command return parameters 670 */ 671 672static int 673process_info_params(ng_hci_unit_p unit, u_int16_t ocf, struct mbuf *mcp, 674 struct mbuf *mrp) 675{ 676 int error = 0, len; 677 678 switch (ocf) { 679 case NG_HCI_OCF_READ_LOCAL_VER: 680 case NG_HCI_OCF_READ_COUNTRY_CODE: 681 break; 682 683 case NG_HCI_OCF_READ_LOCAL_FEATURES: 684 m_adj(mrp, sizeof(u_int8_t)); 685 len = min(mrp->m_pkthdr.len, sizeof(unit->features)); 686 m_copydata(mrp, 0, len, (caddr_t) unit->features); 687 break; 688 689 case NG_HCI_OCF_READ_BUFFER_SIZE: { 690 ng_hci_read_buffer_size_rp *rp = NULL; 691 692 /* Do not update buffer descriptor if node was initialized */ 693 if ((unit->state & NG_HCI_UNIT_READY) == NG_HCI_UNIT_READY) 694 break; 695 696 NG_HCI_M_PULLUP(mrp, sizeof(*rp)); 697 if (mrp != NULL) { 698 rp = mtod(mrp, ng_hci_read_buffer_size_rp *); 699 700 NG_HCI_BUFF_ACL_SET( 701 unit->buffer, 702 le16toh(rp->num_acl_pkt), /* number */ 703 le16toh(rp->max_acl_size), /* size */ 704 le16toh(rp->num_acl_pkt) /* free */ 705 ); 706 707 NG_HCI_BUFF_SCO_SET( 708 unit->buffer, 709 le16toh(rp->num_sco_pkt), /* number */ 710 rp->max_sco_size, /* size */ 711 le16toh(rp->num_sco_pkt) /* free */ 712 ); 713 714 /* Let upper layers know */ 715 ng_hci_node_is_up(unit->node, unit->acl, NULL, 0); 716 ng_hci_node_is_up(unit->node, unit->sco, NULL, 0); 717 } else 718 error = ENOBUFS; 719 } break; 720 721 case NG_HCI_OCF_READ_BDADDR: 722 /* Do not update BD_ADDR if node was initialized */ 723 if ((unit->state & NG_HCI_UNIT_READY) == NG_HCI_UNIT_READY) 724 break; 725 726 m_adj(mrp, sizeof(u_int8_t)); 727 len = min(mrp->m_pkthdr.len, sizeof(unit->bdaddr)); 728 m_copydata(mrp, 0, len, (caddr_t) &unit->bdaddr); 729 730 /* Let upper layers know */ 731 ng_hci_node_is_up(unit->node, unit->acl, NULL, 0); 732 ng_hci_node_is_up(unit->node, unit->sco, NULL, 0); 733 break; 734 735 default: 736 error = EINVAL; 737 break; 738 } 739 740 NG_FREE_M(mcp); 741 NG_FREE_M(mrp); 742 743 return (error); 744} /* process_info_params */ 745 746/* 747 * Process status command return parameters 748 */ 749 750static int 751process_status_params(ng_hci_unit_p unit, u_int16_t ocf, struct mbuf *mcp, 752 struct mbuf *mrp) 753{ 754 int error = 0; 755 756 switch (ocf) { 757 case NG_HCI_OCF_READ_FAILED_CONTACT_CNTR: 758 case NG_HCI_OCF_RESET_FAILED_CONTACT_CNTR: 759 case NG_HCI_OCF_GET_LINK_QUALITY: 760 case NG_HCI_OCF_READ_RSSI: 761 /* These do not need post processing */ 762 break; 763 764 default: 765 error = EINVAL; 766 break; 767 } 768 769 NG_FREE_M(mcp); 770 NG_FREE_M(mrp); 771 772 return (error); 773} /* process_status_params */ 774 775/* 776 * Process testing command return parameters 777 */ 778 779int 780process_testing_params(ng_hci_unit_p unit, u_int16_t ocf, struct mbuf *mcp, 781 struct mbuf *mrp) 782{ 783 int error = 0; 784 785 switch (ocf) { 786 787 /* 788 * XXX FIXME 789 * We do not support these features at this time. However, 790 * HCI node could support this and do something smart. At least 791 * node can change unit state. 792 */ 793 794 case NG_HCI_OCF_READ_LOOPBACK_MODE: 795 case NG_HCI_OCF_WRITE_LOOPBACK_MODE: 796 case NG_HCI_OCF_ENABLE_UNIT_UNDER_TEST: 797 break; 798 799 default: 800 error = EINVAL; 801 break; 802 } 803 804 NG_FREE_M(mcp); 805 NG_FREE_M(mrp); 806 807 return (error); 808} /* process_testing_params */ 809 810/* 811 * Process LE command return parameters 812 */ 813 814static int 815process_le_params(ng_hci_unit_p unit, u_int16_t ocf, 816 struct mbuf *mcp, struct mbuf *mrp) 817{ 818 int error = 0; 819 820 switch (ocf){ 821 case NG_HCI_OCF_LE_SET_EVENT_MASK: 822 case NG_HCI_OCF_LE_READ_BUFFER_SIZE: 823 case NG_HCI_OCF_LE_READ_LOCAL_SUPPORTED_FEATURES: 824 case NG_HCI_OCF_LE_SET_RANDOM_ADDRESS: 825 case NG_HCI_OCF_LE_SET_ADVERTISING_PARAMETERS: 826 case NG_HCI_OCF_LE_READ_ADVERTISING_CHANNEL_TX_POWER: 827 case NG_HCI_OCF_LE_SET_ADVERTISING_DATA: 828 case NG_HCI_OCF_LE_SET_SCAN_RESPONSE_DATA: 829 case NG_HCI_OCF_LE_SET_ADVERTISE_ENABLE: 830 case NG_HCI_OCF_LE_SET_SCAN_PARAMETERS: 831 case NG_HCI_OCF_LE_SET_SCAN_ENABLE: 832 case NG_HCI_OCF_LE_CREATE_CONNECTION_CANCEL: 833 case NG_HCI_OCF_LE_CLEAR_WHITE_LIST: 834 case NG_HCI_OCF_LE_READ_WHITE_LIST_SIZE: 835 case NG_HCI_OCF_LE_ADD_DEVICE_TO_WHITE_LIST: 836 case NG_HCI_OCF_LE_REMOVE_DEVICE_FROM_WHITE_LIST: 837 case NG_HCI_OCF_LE_SET_HOST_CHANNEL_CLASSIFICATION: 838 case NG_HCI_OCF_LE_READ_CHANNEL_MAP: 839 case NG_HCI_OCF_LE_ENCRYPT: 840 case NG_HCI_OCF_LE_RAND: 841 case NG_HCI_OCF_LE_LONG_TERM_KEY_REQUEST_REPLY: 842 case NG_HCI_OCF_LE_LONG_TERM_KEY_REQUEST_NEGATIVE_REPLY: 843 case NG_HCI_OCF_LE_READ_SUPPORTED_STATES: 844 case NG_HCI_OCF_LE_RECEIVER_TEST: 845 case NG_HCI_OCF_LE_TRANSMITTER_TEST: 846 case NG_HCI_OCF_LE_TEST_END: 847 848 /* These do not need post processing */ 849 break; 850 case NG_HCI_OCF_LE_CREATE_CONNECTION: 851 case NG_HCI_OCF_LE_CONNECTION_UPDATE: 852 case NG_HCI_OCF_LE_READ_REMOTE_USED_FEATURES: 853 case NG_HCI_OCF_LE_START_ENCRYPTION: 854 855 856 default: 857 /* 858 * None of these command was supposed to generate 859 * Command_Complete event. Instead Command_Status event 860 * should have been generated and then appropriate event 861 * should have been sent to indicate the final result. 862 */ 863 864 error = EINVAL; 865 break; 866 } 867 868 NG_FREE_M(mcp); 869 NG_FREE_M(mrp); 870 871 return (error); 872 873} 874 875 876 877static int 878process_le_status(ng_hci_unit_p unit,ng_hci_command_status_ep *ep, 879 struct mbuf *mcp) 880{ 881 int error = 0; 882 883 switch (NG_HCI_OCF(ep->opcode)){ 884 case NG_HCI_OCF_LE_CREATE_CONNECTION: 885 case NG_HCI_OCF_LE_CONNECTION_UPDATE: 886 case NG_HCI_OCF_LE_READ_REMOTE_USED_FEATURES: 887 case NG_HCI_OCF_LE_START_ENCRYPTION: 888 889 /* These do not need post processing */ 890 break; 891 892 case NG_HCI_OCF_LE_SET_EVENT_MASK: 893 case NG_HCI_OCF_LE_READ_BUFFER_SIZE: 894 case NG_HCI_OCF_LE_READ_LOCAL_SUPPORTED_FEATURES: 895 case NG_HCI_OCF_LE_SET_RANDOM_ADDRESS: 896 case NG_HCI_OCF_LE_SET_ADVERTISING_PARAMETERS: 897 case NG_HCI_OCF_LE_READ_ADVERTISING_CHANNEL_TX_POWER: 898 case NG_HCI_OCF_LE_SET_ADVERTISING_DATA: 899 case NG_HCI_OCF_LE_SET_SCAN_RESPONSE_DATA: 900 case NG_HCI_OCF_LE_SET_ADVERTISE_ENABLE: 901 case NG_HCI_OCF_LE_SET_SCAN_PARAMETERS: 902 case NG_HCI_OCF_LE_SET_SCAN_ENABLE: 903 case NG_HCI_OCF_LE_CREATE_CONNECTION_CANCEL: 904 case NG_HCI_OCF_LE_CLEAR_WHITE_LIST: 905 case NG_HCI_OCF_LE_READ_WHITE_LIST_SIZE: 906 case NG_HCI_OCF_LE_ADD_DEVICE_TO_WHITE_LIST: 907 case NG_HCI_OCF_LE_REMOVE_DEVICE_FROM_WHITE_LIST: 908 case NG_HCI_OCF_LE_SET_HOST_CHANNEL_CLASSIFICATION: 909 case NG_HCI_OCF_LE_READ_CHANNEL_MAP: 910 case NG_HCI_OCF_LE_ENCRYPT: 911 case NG_HCI_OCF_LE_RAND: 912 case NG_HCI_OCF_LE_LONG_TERM_KEY_REQUEST_REPLY: 913 case NG_HCI_OCF_LE_LONG_TERM_KEY_REQUEST_NEGATIVE_REPLY: 914 case NG_HCI_OCF_LE_READ_SUPPORTED_STATES: 915 case NG_HCI_OCF_LE_RECEIVER_TEST: 916 case NG_HCI_OCF_LE_TRANSMITTER_TEST: 917 case NG_HCI_OCF_LE_TEST_END: 918 919 920 default: 921 /* 922 * None of these command was supposed to generate 923 * Command_Stutus event. Command Complete instead. 924 */ 925 926 error = EINVAL; 927 break; 928 } 929 930 NG_FREE_M(mcp); 931 932 return (error); 933 934} 935 936/* 937 * Process link control command status 938 */ 939 940static int 941process_link_control_status(ng_hci_unit_p unit, ng_hci_command_status_ep *ep, 942 struct mbuf *mcp) 943{ 944 int error = 0; 945 946 switch (NG_HCI_OCF(ep->opcode)) { 947 case NG_HCI_OCF_INQUIRY: 948 case NG_HCI_OCF_DISCON: /* XXX */ 949 case NG_HCI_OCF_REJECT_CON: /* XXX */ 950 case NG_HCI_OCF_CHANGE_CON_PKT_TYPE: 951 case NG_HCI_OCF_AUTH_REQ: 952 case NG_HCI_OCF_SET_CON_ENCRYPTION: 953 case NG_HCI_OCF_CHANGE_CON_LINK_KEY: 954 case NG_HCI_OCF_MASTER_LINK_KEY: 955 case NG_HCI_OCF_REMOTE_NAME_REQ: 956 case NG_HCI_OCF_READ_REMOTE_FEATURES: 957 case NG_HCI_OCF_READ_REMOTE_VER_INFO: 958 case NG_HCI_OCF_READ_CLOCK_OFFSET: 959 /* These do not need post processing */ 960 break; 961 962 case NG_HCI_OCF_CREATE_CON: 963 break; 964 965 case NG_HCI_OCF_ADD_SCO_CON: 966 break; 967 968 case NG_HCI_OCF_ACCEPT_CON: 969 break; 970 971 case NG_HCI_OCF_INQUIRY_CANCEL: 972 case NG_HCI_OCF_PERIODIC_INQUIRY: 973 case NG_HCI_OCF_EXIT_PERIODIC_INQUIRY: 974 case NG_HCI_OCF_LINK_KEY_REP: 975 case NG_HCI_OCF_LINK_KEY_NEG_REP: 976 case NG_HCI_OCF_PIN_CODE_REP: 977 case NG_HCI_OCF_PIN_CODE_NEG_REP: 978 default: 979 980 /* 981 * None of these command was supposed to generate 982 * Command_Status event. Instead Command_Complete event 983 * should have been sent. 984 */ 985 986 error = EINVAL; 987 break; 988 } 989 990 NG_FREE_M(mcp); 991 992 return (error); 993} /* process_link_control_status */ 994 995/* 996 * Process link policy command status 997 */ 998 999static int 1000process_link_policy_status(ng_hci_unit_p unit, ng_hci_command_status_ep *ep, 1001 struct mbuf *mcp) 1002{ 1003 int error = 0; 1004 1005 switch (NG_HCI_OCF(ep->opcode)) { 1006 case NG_HCI_OCF_HOLD_MODE: 1007 case NG_HCI_OCF_SNIFF_MODE: 1008 case NG_HCI_OCF_EXIT_SNIFF_MODE: 1009 case NG_HCI_OCF_PARK_MODE: 1010 case NG_HCI_OCF_EXIT_PARK_MODE: 1011 case NG_HCI_OCF_SWITCH_ROLE: 1012 /* These do not need post processing */ 1013 break; 1014 1015 case NG_HCI_OCF_QOS_SETUP: 1016 break; 1017 1018 case NG_HCI_OCF_ROLE_DISCOVERY: 1019 case NG_HCI_OCF_READ_LINK_POLICY_SETTINGS: 1020 case NG_HCI_OCF_WRITE_LINK_POLICY_SETTINGS: 1021 default: 1022 1023 /* 1024 * None of these command was supposed to generate 1025 * Command_Status event. Instead Command_Complete event 1026 * should have been sent. 1027 */ 1028 1029 error = EINVAL; 1030 break; 1031 } 1032 1033 NG_FREE_M(mcp); 1034 1035 return (error); 1036} /* process_link_policy_status */ 1037 1038