1baeef614SMaksim Yevmenkin /* 2baeef614SMaksim Yevmenkin * hci.c 3baeef614SMaksim Yevmenkin */ 4baeef614SMaksim Yevmenkin 5baeef614SMaksim Yevmenkin /*- 6baeef614SMaksim Yevmenkin * Copyright (c) 2009 Maksim Yevmenkin <m_evmenkin@yahoo.com> 7baeef614SMaksim Yevmenkin * All rights reserved. 8baeef614SMaksim Yevmenkin * 9baeef614SMaksim Yevmenkin * Redistribution and use in source and binary forms, with or without 10baeef614SMaksim Yevmenkin * modification, are permitted provided that the following conditions 11baeef614SMaksim Yevmenkin * are met: 12baeef614SMaksim Yevmenkin * 1. Redistributions of source code must retain the above copyright 13baeef614SMaksim Yevmenkin * notice, this list of conditions and the following disclaimer. 14baeef614SMaksim Yevmenkin * 2. Redistributions in binary form must reproduce the above copyright 15baeef614SMaksim Yevmenkin * notice, this list of conditions and the following disclaimer in the 16baeef614SMaksim Yevmenkin * documentation and/or other materials provided with the distribution. 17baeef614SMaksim Yevmenkin * 18baeef614SMaksim Yevmenkin * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19baeef614SMaksim Yevmenkin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20baeef614SMaksim Yevmenkin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21baeef614SMaksim Yevmenkin * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22baeef614SMaksim Yevmenkin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23baeef614SMaksim Yevmenkin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24baeef614SMaksim Yevmenkin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25baeef614SMaksim Yevmenkin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26baeef614SMaksim Yevmenkin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27baeef614SMaksim Yevmenkin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28baeef614SMaksim Yevmenkin * SUCH DAMAGE. 29baeef614SMaksim Yevmenkin * 30baeef614SMaksim Yevmenkin * $FreeBSD$ 31baeef614SMaksim Yevmenkin */ 32baeef614SMaksim Yevmenkin 3378b96635SMaksim Yevmenkin #include <assert.h> 34baeef614SMaksim Yevmenkin #include <bluetooth.h> 3578b96635SMaksim Yevmenkin #include <inttypes.h> 36baeef614SMaksim Yevmenkin #include <stdio.h> 37baeef614SMaksim Yevmenkin #include <stdlib.h> 38baeef614SMaksim Yevmenkin #include <string.h> 39baeef614SMaksim Yevmenkin #include <unistd.h> 40baeef614SMaksim Yevmenkin 4178b96635SMaksim Yevmenkin #undef MIN 4278b96635SMaksim Yevmenkin #define MIN(a, b) (((a) < (b))? (a) : (b)) 4378b96635SMaksim Yevmenkin 4478b96635SMaksim Yevmenkin static int bt_devany_cb(int s, struct bt_devinfo const *di, void *xdevname); 45baeef614SMaksim Yevmenkin static char * bt_dev2node (char const *devname, char *nodename, int nnlen); 46baeef614SMaksim Yevmenkin 47baeef614SMaksim Yevmenkin int 4878b96635SMaksim Yevmenkin bt_devopen(char const *devname) 4978b96635SMaksim Yevmenkin { 5078b96635SMaksim Yevmenkin struct sockaddr_hci ha; 5178b96635SMaksim Yevmenkin bdaddr_t ba; 5278b96635SMaksim Yevmenkin int s; 5378b96635SMaksim Yevmenkin 5478b96635SMaksim Yevmenkin if (devname == NULL) { 5578b96635SMaksim Yevmenkin errno = EINVAL; 5678b96635SMaksim Yevmenkin return (-1); 5778b96635SMaksim Yevmenkin } 5878b96635SMaksim Yevmenkin 5978b96635SMaksim Yevmenkin memset(&ha, 0, sizeof(ha)); 6078b96635SMaksim Yevmenkin ha.hci_len = sizeof(ha); 6178b96635SMaksim Yevmenkin ha.hci_family = AF_BLUETOOTH; 6278b96635SMaksim Yevmenkin 6378b96635SMaksim Yevmenkin if (bt_aton(devname, &ba)) { 6478b96635SMaksim Yevmenkin if (!bt_devname(ha.hci_node, &ba)) 6578b96635SMaksim Yevmenkin return (-1); 6678b96635SMaksim Yevmenkin } else if (bt_dev2node(devname, ha.hci_node, 6778b96635SMaksim Yevmenkin sizeof(ha.hci_node)) == NULL) { 6878b96635SMaksim Yevmenkin errno = ENXIO; 6978b96635SMaksim Yevmenkin return (-1); 7078b96635SMaksim Yevmenkin } 7178b96635SMaksim Yevmenkin 7278b96635SMaksim Yevmenkin s = socket(PF_BLUETOOTH, SOCK_RAW, BLUETOOTH_PROTO_HCI); 7378b96635SMaksim Yevmenkin if (s < 0) 7478b96635SMaksim Yevmenkin return (-1); 7578b96635SMaksim Yevmenkin 7678b96635SMaksim Yevmenkin if (bind(s, (struct sockaddr *) &ha, sizeof(ha)) < 0 || 7778b96635SMaksim Yevmenkin connect(s, (struct sockaddr *) &ha, sizeof(ha)) < 0) { 7878b96635SMaksim Yevmenkin close(s); 7978b96635SMaksim Yevmenkin return (-1); 8078b96635SMaksim Yevmenkin } 8178b96635SMaksim Yevmenkin 8278b96635SMaksim Yevmenkin return (s); 8378b96635SMaksim Yevmenkin } 8478b96635SMaksim Yevmenkin 8578b96635SMaksim Yevmenkin int 8678b96635SMaksim Yevmenkin bt_devclose(int s) 8778b96635SMaksim Yevmenkin { 8878b96635SMaksim Yevmenkin return (close(s)); 8978b96635SMaksim Yevmenkin } 9078b96635SMaksim Yevmenkin 9178b96635SMaksim Yevmenkin int 9278b96635SMaksim Yevmenkin bt_devsend(int s, uint16_t opcode, void *param, size_t plen) 9378b96635SMaksim Yevmenkin { 9478b96635SMaksim Yevmenkin ng_hci_cmd_pkt_t h; 9578b96635SMaksim Yevmenkin struct iovec iv[2]; 9678b96635SMaksim Yevmenkin int ivn; 9778b96635SMaksim Yevmenkin 9878b96635SMaksim Yevmenkin if ((plen == 0 && param != NULL) || 9978b96635SMaksim Yevmenkin (plen > 0 && param == NULL) || 10078b96635SMaksim Yevmenkin plen > UINT8_MAX) { 10178b96635SMaksim Yevmenkin errno = EINVAL; 10278b96635SMaksim Yevmenkin return (-1); 10378b96635SMaksim Yevmenkin } 10478b96635SMaksim Yevmenkin 10578b96635SMaksim Yevmenkin iv[0].iov_base = &h; 10678b96635SMaksim Yevmenkin iv[0].iov_len = sizeof(h); 10778b96635SMaksim Yevmenkin ivn = 1; 10878b96635SMaksim Yevmenkin 10978b96635SMaksim Yevmenkin h.type = NG_HCI_CMD_PKT; 11078b96635SMaksim Yevmenkin h.opcode = htole16(opcode); 11178b96635SMaksim Yevmenkin if (plen > 0) { 11278b96635SMaksim Yevmenkin h.length = plen; 11378b96635SMaksim Yevmenkin 11478b96635SMaksim Yevmenkin iv[1].iov_base = param; 11578b96635SMaksim Yevmenkin iv[1].iov_len = plen; 11678b96635SMaksim Yevmenkin ivn = 2; 11778b96635SMaksim Yevmenkin } else 11878b96635SMaksim Yevmenkin h.length = 0; 11978b96635SMaksim Yevmenkin 12078b96635SMaksim Yevmenkin while (writev(s, iv, ivn) < 0) { 12178b96635SMaksim Yevmenkin if (errno == EAGAIN || errno == EINTR) 12278b96635SMaksim Yevmenkin continue; 12378b96635SMaksim Yevmenkin 12478b96635SMaksim Yevmenkin return (-1); 12578b96635SMaksim Yevmenkin } 12678b96635SMaksim Yevmenkin 12778b96635SMaksim Yevmenkin return (0); 12878b96635SMaksim Yevmenkin } 12978b96635SMaksim Yevmenkin 13078b96635SMaksim Yevmenkin ssize_t 13178b96635SMaksim Yevmenkin bt_devrecv(int s, void *buf, size_t size, time_t to) 13278b96635SMaksim Yevmenkin { 13378b96635SMaksim Yevmenkin ssize_t n; 13478b96635SMaksim Yevmenkin 13578b96635SMaksim Yevmenkin if (buf == NULL || size == 0) { 13678b96635SMaksim Yevmenkin errno = EINVAL; 13778b96635SMaksim Yevmenkin return (-1); 13878b96635SMaksim Yevmenkin } 13978b96635SMaksim Yevmenkin 14078b96635SMaksim Yevmenkin if (to >= 0) { 14178b96635SMaksim Yevmenkin fd_set rfd; 14278b96635SMaksim Yevmenkin struct timeval tv; 14378b96635SMaksim Yevmenkin 14478b96635SMaksim Yevmenkin FD_ZERO(&rfd); 14578b96635SMaksim Yevmenkin FD_SET(s, &rfd); 14678b96635SMaksim Yevmenkin 14778b96635SMaksim Yevmenkin tv.tv_sec = to; 14878b96635SMaksim Yevmenkin tv.tv_usec = 0; 14978b96635SMaksim Yevmenkin 15078b96635SMaksim Yevmenkin while ((n = select(s + 1, &rfd, NULL, NULL, &tv)) < 0) { 15178b96635SMaksim Yevmenkin if (errno == EAGAIN || errno == EINTR) 15278b96635SMaksim Yevmenkin continue; 15378b96635SMaksim Yevmenkin 15478b96635SMaksim Yevmenkin return (-1); 15578b96635SMaksim Yevmenkin } 15678b96635SMaksim Yevmenkin 15778b96635SMaksim Yevmenkin if (n == 0) { 15878b96635SMaksim Yevmenkin errno = ETIMEDOUT; 15978b96635SMaksim Yevmenkin return (-1); 16078b96635SMaksim Yevmenkin } 16178b96635SMaksim Yevmenkin 16278b96635SMaksim Yevmenkin assert(FD_ISSET(s, &rfd)); 16378b96635SMaksim Yevmenkin } 16478b96635SMaksim Yevmenkin 16578b96635SMaksim Yevmenkin while ((n = read(s, buf, size)) < 0) { 16678b96635SMaksim Yevmenkin if (errno == EAGAIN || errno == EINTR) 16778b96635SMaksim Yevmenkin continue; 16878b96635SMaksim Yevmenkin 16978b96635SMaksim Yevmenkin return (-1); 17078b96635SMaksim Yevmenkin } 17178b96635SMaksim Yevmenkin 17278b96635SMaksim Yevmenkin switch (*((uint8_t *) buf)) { 17378b96635SMaksim Yevmenkin case NG_HCI_CMD_PKT: { 17478b96635SMaksim Yevmenkin ng_hci_cmd_pkt_t *h = (ng_hci_cmd_pkt_t *) buf; 17578b96635SMaksim Yevmenkin 17678b96635SMaksim Yevmenkin if (n >= sizeof(*h) && n == (sizeof(*h) + h->length)) 17778b96635SMaksim Yevmenkin return (n); 17878b96635SMaksim Yevmenkin } break; 17978b96635SMaksim Yevmenkin 18078b96635SMaksim Yevmenkin case NG_HCI_ACL_DATA_PKT: { 18178b96635SMaksim Yevmenkin ng_hci_acldata_pkt_t *h = (ng_hci_acldata_pkt_t *) buf; 18278b96635SMaksim Yevmenkin 18378b96635SMaksim Yevmenkin if (n >= sizeof(*h) && n == (sizeof(*h) + le16toh(h->length))) 18478b96635SMaksim Yevmenkin return (n); 18578b96635SMaksim Yevmenkin } break; 18678b96635SMaksim Yevmenkin 18778b96635SMaksim Yevmenkin case NG_HCI_SCO_DATA_PKT: { 18878b96635SMaksim Yevmenkin ng_hci_scodata_pkt_t *h = (ng_hci_scodata_pkt_t *) buf; 18978b96635SMaksim Yevmenkin 19078b96635SMaksim Yevmenkin if (n >= sizeof(*h) && n == (sizeof(*h) + h->length)) 19178b96635SMaksim Yevmenkin return (n); 19278b96635SMaksim Yevmenkin } break; 19378b96635SMaksim Yevmenkin 19478b96635SMaksim Yevmenkin case NG_HCI_EVENT_PKT: { 19578b96635SMaksim Yevmenkin ng_hci_event_pkt_t *h = (ng_hci_event_pkt_t *) buf; 19678b96635SMaksim Yevmenkin 19778b96635SMaksim Yevmenkin if (n >= sizeof(*h) && n == (sizeof(*h) + h->length)) 19878b96635SMaksim Yevmenkin return (n); 19978b96635SMaksim Yevmenkin } break; 20078b96635SMaksim Yevmenkin } 20178b96635SMaksim Yevmenkin 20278b96635SMaksim Yevmenkin errno = EIO; 20378b96635SMaksim Yevmenkin return (-1); 20478b96635SMaksim Yevmenkin } 20578b96635SMaksim Yevmenkin 20678b96635SMaksim Yevmenkin int 20778b96635SMaksim Yevmenkin bt_devreq(int s, struct bt_devreq *r, time_t to) 20878b96635SMaksim Yevmenkin { 20978b96635SMaksim Yevmenkin uint8_t buf[320]; /* more than enough */ 21078b96635SMaksim Yevmenkin ng_hci_event_pkt_t *e = (ng_hci_event_pkt_t *) buf; 21178b96635SMaksim Yevmenkin ng_hci_command_compl_ep *cc = (ng_hci_command_compl_ep *)(e+1); 21278b96635SMaksim Yevmenkin ng_hci_command_status_ep *cs = (ng_hci_command_status_ep*)(e+1); 21378b96635SMaksim Yevmenkin struct bt_devfilter old, new; 21478b96635SMaksim Yevmenkin time_t t_end; 21578b96635SMaksim Yevmenkin uint16_t opcode; 21678b96635SMaksim Yevmenkin ssize_t n; 21778b96635SMaksim Yevmenkin int error; 21878b96635SMaksim Yevmenkin 21978b96635SMaksim Yevmenkin if (s < 0 || r == NULL || to < 0) { 22078b96635SMaksim Yevmenkin errno = EINVAL; 22178b96635SMaksim Yevmenkin return (-1); 22278b96635SMaksim Yevmenkin } 22378b96635SMaksim Yevmenkin 22478b96635SMaksim Yevmenkin if ((r->rlen == 0 && r->rparam != NULL) || 22578b96635SMaksim Yevmenkin (r->rlen > 0 && r->rparam == NULL)) { 22678b96635SMaksim Yevmenkin errno = EINVAL; 22778b96635SMaksim Yevmenkin return (-1); 22878b96635SMaksim Yevmenkin } 22978b96635SMaksim Yevmenkin 23078b96635SMaksim Yevmenkin memset(&new, 0, sizeof(new)); 23178b96635SMaksim Yevmenkin bt_devfilter_pkt_set(&new, NG_HCI_EVENT_PKT); 23278b96635SMaksim Yevmenkin bt_devfilter_evt_set(&new, NG_HCI_EVENT_COMMAND_COMPL); 23378b96635SMaksim Yevmenkin bt_devfilter_evt_set(&new, NG_HCI_EVENT_COMMAND_STATUS); 23478b96635SMaksim Yevmenkin if (r->event != 0) 23578b96635SMaksim Yevmenkin bt_devfilter_evt_set(&new, r->event); 23678b96635SMaksim Yevmenkin 23778b96635SMaksim Yevmenkin if (bt_devfilter(s, &new, &old) < 0) 23878b96635SMaksim Yevmenkin return (-1); 23978b96635SMaksim Yevmenkin 24078b96635SMaksim Yevmenkin error = 0; 24178b96635SMaksim Yevmenkin 24278b96635SMaksim Yevmenkin n = bt_devsend(s, r->opcode, r->cparam, r->clen); 24378b96635SMaksim Yevmenkin if (n < 0) { 24478b96635SMaksim Yevmenkin error = errno; 24578b96635SMaksim Yevmenkin goto out; 24678b96635SMaksim Yevmenkin } 24778b96635SMaksim Yevmenkin 24878b96635SMaksim Yevmenkin opcode = htole16(r->opcode); 24978b96635SMaksim Yevmenkin t_end = time(NULL) + to; 25078b96635SMaksim Yevmenkin 25178b96635SMaksim Yevmenkin do { 25278b96635SMaksim Yevmenkin to = t_end - time(NULL); 25378b96635SMaksim Yevmenkin if (to < 0) 25478b96635SMaksim Yevmenkin to = 0; 25578b96635SMaksim Yevmenkin 25678b96635SMaksim Yevmenkin n = bt_devrecv(s, buf, sizeof(buf), to); 25778b96635SMaksim Yevmenkin if (n < 0) { 25878b96635SMaksim Yevmenkin error = errno; 25978b96635SMaksim Yevmenkin goto out; 26078b96635SMaksim Yevmenkin } 26178b96635SMaksim Yevmenkin 26278b96635SMaksim Yevmenkin if (e->type != NG_HCI_EVENT_PKT) { 26378b96635SMaksim Yevmenkin error = EIO; 26478b96635SMaksim Yevmenkin goto out; 26578b96635SMaksim Yevmenkin } 26678b96635SMaksim Yevmenkin 26778b96635SMaksim Yevmenkin n -= sizeof(*e); 26878b96635SMaksim Yevmenkin 26978b96635SMaksim Yevmenkin switch (e->event) { 27078b96635SMaksim Yevmenkin case NG_HCI_EVENT_COMMAND_COMPL: 27178b96635SMaksim Yevmenkin if (cc->opcode == opcode) { 27278b96635SMaksim Yevmenkin n -= sizeof(*cc); 27378b96635SMaksim Yevmenkin 27478b96635SMaksim Yevmenkin if (r->rlen >= n) { 27578b96635SMaksim Yevmenkin r->rlen = n; 27678b96635SMaksim Yevmenkin memcpy(r->rparam, cc + 1, r->rlen); 27778b96635SMaksim Yevmenkin } 27878b96635SMaksim Yevmenkin 27978b96635SMaksim Yevmenkin goto out; 28078b96635SMaksim Yevmenkin } 28178b96635SMaksim Yevmenkin break; 28278b96635SMaksim Yevmenkin 28378b96635SMaksim Yevmenkin case NG_HCI_EVENT_COMMAND_STATUS: 28478b96635SMaksim Yevmenkin if (cs->opcode == opcode) { 28578b96635SMaksim Yevmenkin if (r->event != NG_HCI_EVENT_COMMAND_STATUS) { 28678b96635SMaksim Yevmenkin if (cs->status != 0) { 28778b96635SMaksim Yevmenkin error = EIO; 28878b96635SMaksim Yevmenkin goto out; 28978b96635SMaksim Yevmenkin } 29078b96635SMaksim Yevmenkin } else { 29178b96635SMaksim Yevmenkin if (r->rlen >= n) { 29278b96635SMaksim Yevmenkin r->rlen = n; 29378b96635SMaksim Yevmenkin memcpy(r->rparam, cs, r->rlen); 29478b96635SMaksim Yevmenkin } 29578b96635SMaksim Yevmenkin 29678b96635SMaksim Yevmenkin goto out; 29778b96635SMaksim Yevmenkin } 29878b96635SMaksim Yevmenkin } 29978b96635SMaksim Yevmenkin break; 30078b96635SMaksim Yevmenkin 30178b96635SMaksim Yevmenkin default: 30278b96635SMaksim Yevmenkin if (e->event == r->event) { 30378b96635SMaksim Yevmenkin if (r->rlen >= n) { 30478b96635SMaksim Yevmenkin r->rlen = n; 30578b96635SMaksim Yevmenkin memcpy(r->rparam, e + 1, r->rlen); 30678b96635SMaksim Yevmenkin } 30778b96635SMaksim Yevmenkin 30878b96635SMaksim Yevmenkin goto out; 30978b96635SMaksim Yevmenkin } 31078b96635SMaksim Yevmenkin break; 31178b96635SMaksim Yevmenkin } 31278b96635SMaksim Yevmenkin } while (to > 0); 31378b96635SMaksim Yevmenkin 31478b96635SMaksim Yevmenkin error = ETIMEDOUT; 31578b96635SMaksim Yevmenkin out: 31678b96635SMaksim Yevmenkin bt_devfilter(s, &old, NULL); 31778b96635SMaksim Yevmenkin 31878b96635SMaksim Yevmenkin if (error != 0) { 31978b96635SMaksim Yevmenkin errno = error; 32078b96635SMaksim Yevmenkin return (-1); 32178b96635SMaksim Yevmenkin } 32278b96635SMaksim Yevmenkin 32378b96635SMaksim Yevmenkin return (0); 32478b96635SMaksim Yevmenkin } 32578b96635SMaksim Yevmenkin 32678b96635SMaksim Yevmenkin int 32778b96635SMaksim Yevmenkin bt_devfilter(int s, struct bt_devfilter const *new, struct bt_devfilter *old) 32878b96635SMaksim Yevmenkin { 32978b96635SMaksim Yevmenkin struct ng_btsocket_hci_raw_filter f; 33078b96635SMaksim Yevmenkin socklen_t len; 33178b96635SMaksim Yevmenkin 33278b96635SMaksim Yevmenkin if (new == NULL && old == NULL) { 33378b96635SMaksim Yevmenkin errno = EINVAL; 33478b96635SMaksim Yevmenkin return (-1); 33578b96635SMaksim Yevmenkin } 33678b96635SMaksim Yevmenkin 33778b96635SMaksim Yevmenkin if (old != NULL) { 33878b96635SMaksim Yevmenkin len = sizeof(f); 33978b96635SMaksim Yevmenkin if (getsockopt(s, SOL_HCI_RAW, SO_HCI_RAW_FILTER, &f, &len) < 0) 34078b96635SMaksim Yevmenkin return (-1); 34178b96635SMaksim Yevmenkin 34278b96635SMaksim Yevmenkin memset(old, 0, sizeof(*old)); 34378b96635SMaksim Yevmenkin memcpy(old->packet_mask, &f.packet_mask, 34478b96635SMaksim Yevmenkin MIN(sizeof(old->packet_mask), sizeof(f.packet_mask))); 34578b96635SMaksim Yevmenkin memcpy(old->event_mask, &f.event_mask, 34678b96635SMaksim Yevmenkin MIN(sizeof(old->event_mask), sizeof(f.packet_mask))); 34778b96635SMaksim Yevmenkin } 34878b96635SMaksim Yevmenkin 34978b96635SMaksim Yevmenkin if (new != NULL) { 35078b96635SMaksim Yevmenkin memset(&f, 0, sizeof(f)); 35178b96635SMaksim Yevmenkin memcpy(&f.packet_mask, new->packet_mask, 35278b96635SMaksim Yevmenkin MIN(sizeof(f.packet_mask), sizeof(new->event_mask))); 35378b96635SMaksim Yevmenkin memcpy(&f.event_mask, new->event_mask, 35478b96635SMaksim Yevmenkin MIN(sizeof(f.event_mask), sizeof(new->event_mask))); 35578b96635SMaksim Yevmenkin 35678b96635SMaksim Yevmenkin len = sizeof(f); 35778b96635SMaksim Yevmenkin if (setsockopt(s, SOL_HCI_RAW, SO_HCI_RAW_FILTER, &f, len) < 0) 35878b96635SMaksim Yevmenkin return (-1); 35978b96635SMaksim Yevmenkin } 36078b96635SMaksim Yevmenkin 36178b96635SMaksim Yevmenkin return (0); 36278b96635SMaksim Yevmenkin } 36378b96635SMaksim Yevmenkin 36478b96635SMaksim Yevmenkin void 36578b96635SMaksim Yevmenkin bt_devfilter_pkt_set(struct bt_devfilter *filter, uint8_t type) 36678b96635SMaksim Yevmenkin { 36778b96635SMaksim Yevmenkin bit_set(filter->packet_mask, type - 1); 36878b96635SMaksim Yevmenkin } 36978b96635SMaksim Yevmenkin 37078b96635SMaksim Yevmenkin void 37178b96635SMaksim Yevmenkin bt_devfilter_pkt_clr(struct bt_devfilter *filter, uint8_t type) 37278b96635SMaksim Yevmenkin { 37378b96635SMaksim Yevmenkin bit_clear(filter->packet_mask, type - 1); 37478b96635SMaksim Yevmenkin } 37578b96635SMaksim Yevmenkin 37678b96635SMaksim Yevmenkin int 37778b96635SMaksim Yevmenkin bt_devfilter_pkt_tst(struct bt_devfilter const *filter, uint8_t type) 37878b96635SMaksim Yevmenkin { 37978b96635SMaksim Yevmenkin return (bit_test(filter->packet_mask, type - 1)); 38078b96635SMaksim Yevmenkin } 38178b96635SMaksim Yevmenkin 38278b96635SMaksim Yevmenkin void 38378b96635SMaksim Yevmenkin bt_devfilter_evt_set(struct bt_devfilter *filter, uint8_t event) 38478b96635SMaksim Yevmenkin { 38578b96635SMaksim Yevmenkin bit_set(filter->event_mask, event - 1); 38678b96635SMaksim Yevmenkin } 38778b96635SMaksim Yevmenkin 38878b96635SMaksim Yevmenkin void 38978b96635SMaksim Yevmenkin bt_devfilter_evt_clr(struct bt_devfilter *filter, uint8_t event) 39078b96635SMaksim Yevmenkin { 39178b96635SMaksim Yevmenkin bit_clear(filter->event_mask, event - 1); 39278b96635SMaksim Yevmenkin } 39378b96635SMaksim Yevmenkin 39478b96635SMaksim Yevmenkin int 39578b96635SMaksim Yevmenkin bt_devfilter_evt_tst(struct bt_devfilter const *filter, uint8_t event) 39678b96635SMaksim Yevmenkin { 39778b96635SMaksim Yevmenkin return (bit_test(filter->event_mask, event - 1)); 39878b96635SMaksim Yevmenkin } 39978b96635SMaksim Yevmenkin 40078b96635SMaksim Yevmenkin int 40178b96635SMaksim Yevmenkin bt_devinquiry(char const *devname, time_t length, int num_rsp, 40278b96635SMaksim Yevmenkin struct bt_devinquiry **ii) 40378b96635SMaksim Yevmenkin { 40478b96635SMaksim Yevmenkin uint8_t buf[320]; 40578b96635SMaksim Yevmenkin char _devname[HCI_DEVNAME_SIZE]; 40678b96635SMaksim Yevmenkin struct bt_devfilter f; 40778b96635SMaksim Yevmenkin ng_hci_inquiry_cp *cp = (ng_hci_inquiry_cp *) buf; 40878b96635SMaksim Yevmenkin ng_hci_event_pkt_t *e = (ng_hci_event_pkt_t *) buf; 40978b96635SMaksim Yevmenkin ng_hci_inquiry_result_ep *ep = (ng_hci_inquiry_result_ep *)(e+1); 41078b96635SMaksim Yevmenkin ng_hci_inquiry_response *ir; 41178b96635SMaksim Yevmenkin struct bt_devinquiry *i; 41278b96635SMaksim Yevmenkin int s, n; 41378b96635SMaksim Yevmenkin 41478b96635SMaksim Yevmenkin if (ii == NULL) { 41578b96635SMaksim Yevmenkin errno = EINVAL; 41678b96635SMaksim Yevmenkin return (-1); 41778b96635SMaksim Yevmenkin } 41878b96635SMaksim Yevmenkin 41978b96635SMaksim Yevmenkin if (devname == NULL) { 42078b96635SMaksim Yevmenkin memset(_devname, 0, sizeof(_devname)); 42178b96635SMaksim Yevmenkin devname = _devname; 42278b96635SMaksim Yevmenkin 42378b96635SMaksim Yevmenkin n = bt_devenum(bt_devany_cb, _devname); 42478b96635SMaksim Yevmenkin if (n <= 0) { 42578b96635SMaksim Yevmenkin if (n == 0) 42678b96635SMaksim Yevmenkin *ii = NULL; 42778b96635SMaksim Yevmenkin 42878b96635SMaksim Yevmenkin return (n); 42978b96635SMaksim Yevmenkin } 43078b96635SMaksim Yevmenkin } 43178b96635SMaksim Yevmenkin 43278b96635SMaksim Yevmenkin s = bt_devopen(devname); 43378b96635SMaksim Yevmenkin if (s < 0) 43478b96635SMaksim Yevmenkin return (-1); 43578b96635SMaksim Yevmenkin 43678b96635SMaksim Yevmenkin if (bt_devfilter(s, NULL, &f) < 0) { 43778b96635SMaksim Yevmenkin bt_devclose(s); 43878b96635SMaksim Yevmenkin return (-1); 43978b96635SMaksim Yevmenkin } 44078b96635SMaksim Yevmenkin 44178b96635SMaksim Yevmenkin bt_devfilter_evt_set(&f, NG_HCI_EVENT_INQUIRY_COMPL); 44278b96635SMaksim Yevmenkin bt_devfilter_evt_set(&f, NG_HCI_EVENT_INQUIRY_RESULT); 44378b96635SMaksim Yevmenkin 44478b96635SMaksim Yevmenkin if (bt_devfilter(s, &f, NULL) < 0) { 44578b96635SMaksim Yevmenkin bt_devclose(s); 44678b96635SMaksim Yevmenkin return (-1); 44778b96635SMaksim Yevmenkin } 44878b96635SMaksim Yevmenkin 44978b96635SMaksim Yevmenkin /* Always use GIAC LAP */ 45078b96635SMaksim Yevmenkin cp->lap[0] = 0x33; 45178b96635SMaksim Yevmenkin cp->lap[1] = 0x8b; 45278b96635SMaksim Yevmenkin cp->lap[2] = 0x9e; 45378b96635SMaksim Yevmenkin 454b7ced94cSMaksim Yevmenkin /* 455b7ced94cSMaksim Yevmenkin * Calculate inquire length in 1.28 second units 456b7ced94cSMaksim Yevmenkin * v2.x specification says that 1.28 -> 61.44 seconds 457b7ced94cSMaksim Yevmenkin * range is acceptable 458b7ced94cSMaksim Yevmenkin */ 45978b96635SMaksim Yevmenkin 460b7ced94cSMaksim Yevmenkin if (length <= 0) 461b7ced94cSMaksim Yevmenkin length = 5; 462b7ced94cSMaksim Yevmenkin else if (length == 1) 463b7ced94cSMaksim Yevmenkin length = 2; 464b7ced94cSMaksim Yevmenkin else if (length > 62) 465b7ced94cSMaksim Yevmenkin length = 62; 466b7ced94cSMaksim Yevmenkin 467b7ced94cSMaksim Yevmenkin cp->inquiry_length = (uint8_t)((length * 100) / 128); 46878b96635SMaksim Yevmenkin 46978b96635SMaksim Yevmenkin if (num_rsp <= 0 || num_rsp > 255) 47078b96635SMaksim Yevmenkin num_rsp = 8; 47178b96635SMaksim Yevmenkin cp->num_responses = (uint8_t) num_rsp; 47278b96635SMaksim Yevmenkin 47378b96635SMaksim Yevmenkin i = *ii = calloc(num_rsp, sizeof(struct bt_devinquiry)); 47478b96635SMaksim Yevmenkin if (i == NULL) { 47578b96635SMaksim Yevmenkin bt_devclose(s); 47678b96635SMaksim Yevmenkin errno = ENOMEM; 47778b96635SMaksim Yevmenkin return (-1); 47878b96635SMaksim Yevmenkin } 47978b96635SMaksim Yevmenkin 48078b96635SMaksim Yevmenkin if (bt_devsend(s, 48178b96635SMaksim Yevmenkin NG_HCI_OPCODE(NG_HCI_OGF_LINK_CONTROL, NG_HCI_OCF_INQUIRY), 48278b96635SMaksim Yevmenkin cp, sizeof(*cp)) < 0) { 48378b96635SMaksim Yevmenkin free(i); 48478b96635SMaksim Yevmenkin bt_devclose(s); 48578b96635SMaksim Yevmenkin return (-1); 48678b96635SMaksim Yevmenkin } 48778b96635SMaksim Yevmenkin 48878b96635SMaksim Yevmenkin wait_for_more: 48978b96635SMaksim Yevmenkin 490b7ced94cSMaksim Yevmenkin n = bt_devrecv(s, buf, sizeof(buf), length); 49178b96635SMaksim Yevmenkin if (n < 0) { 49278b96635SMaksim Yevmenkin free(i); 49378b96635SMaksim Yevmenkin bt_devclose(s); 49478b96635SMaksim Yevmenkin return (-1); 49578b96635SMaksim Yevmenkin } 49678b96635SMaksim Yevmenkin 49778b96635SMaksim Yevmenkin if (n < sizeof(ng_hci_event_pkt_t)) { 49878b96635SMaksim Yevmenkin free(i); 49978b96635SMaksim Yevmenkin bt_devclose(s); 50078b96635SMaksim Yevmenkin errno = EIO; 50178b96635SMaksim Yevmenkin return (-1); 50278b96635SMaksim Yevmenkin } 50378b96635SMaksim Yevmenkin 50478b96635SMaksim Yevmenkin switch (e->event) { 50578b96635SMaksim Yevmenkin case NG_HCI_EVENT_INQUIRY_COMPL: 50678b96635SMaksim Yevmenkin break; 50778b96635SMaksim Yevmenkin 50878b96635SMaksim Yevmenkin case NG_HCI_EVENT_INQUIRY_RESULT: 50978b96635SMaksim Yevmenkin ir = (ng_hci_inquiry_response *)(ep + 1); 51078b96635SMaksim Yevmenkin 51178b96635SMaksim Yevmenkin for (n = 0; n < MIN(ep->num_responses, num_rsp); n ++) { 51278b96635SMaksim Yevmenkin bdaddr_copy(&i->bdaddr, &ir->bdaddr); 51378b96635SMaksim Yevmenkin i->pscan_rep_mode = ir->page_scan_rep_mode; 51478b96635SMaksim Yevmenkin i->pscan_period_mode = ir->page_scan_period_mode; 51578b96635SMaksim Yevmenkin memcpy(i->dev_class, ir->uclass, sizeof(i->dev_class)); 51678b96635SMaksim Yevmenkin i->clock_offset = le16toh(ir->clock_offset); 51778b96635SMaksim Yevmenkin 51878b96635SMaksim Yevmenkin ir ++; 51978b96635SMaksim Yevmenkin i ++; 52078b96635SMaksim Yevmenkin num_rsp --; 52178b96635SMaksim Yevmenkin } 52278b96635SMaksim Yevmenkin /* FALLTHROUGH */ 52378b96635SMaksim Yevmenkin 52478b96635SMaksim Yevmenkin default: 52578b96635SMaksim Yevmenkin goto wait_for_more; 52678b96635SMaksim Yevmenkin /* NOT REACHED */ 52778b96635SMaksim Yevmenkin } 52878b96635SMaksim Yevmenkin 52978b96635SMaksim Yevmenkin bt_devclose(s); 53078b96635SMaksim Yevmenkin 53178b96635SMaksim Yevmenkin return (i - *ii); 53278b96635SMaksim Yevmenkin } 53378b96635SMaksim Yevmenkin 53478b96635SMaksim Yevmenkin int 535baeef614SMaksim Yevmenkin bt_devinfo(struct bt_devinfo *di) 536baeef614SMaksim Yevmenkin { 537baeef614SMaksim Yevmenkin union { 538baeef614SMaksim Yevmenkin struct ng_btsocket_hci_raw_node_state r0; 539baeef614SMaksim Yevmenkin struct ng_btsocket_hci_raw_node_bdaddr r1; 540baeef614SMaksim Yevmenkin struct ng_btsocket_hci_raw_node_features r2; 541baeef614SMaksim Yevmenkin struct ng_btsocket_hci_raw_node_buffer r3; 542baeef614SMaksim Yevmenkin struct ng_btsocket_hci_raw_node_stat r4; 543baeef614SMaksim Yevmenkin struct ng_btsocket_hci_raw_node_link_policy_mask r5; 544baeef614SMaksim Yevmenkin struct ng_btsocket_hci_raw_node_packet_mask r6; 545baeef614SMaksim Yevmenkin struct ng_btsocket_hci_raw_node_role_switch r7; 546baeef614SMaksim Yevmenkin struct ng_btsocket_hci_raw_node_debug r8; 547baeef614SMaksim Yevmenkin } rp; 548baeef614SMaksim Yevmenkin struct sockaddr_hci ha; 54978b96635SMaksim Yevmenkin socklen_t halen; 550baeef614SMaksim Yevmenkin int s, rval; 551baeef614SMaksim Yevmenkin 552baeef614SMaksim Yevmenkin if (di == NULL) { 553baeef614SMaksim Yevmenkin errno = EINVAL; 554baeef614SMaksim Yevmenkin return (-1); 555baeef614SMaksim Yevmenkin } 556baeef614SMaksim Yevmenkin 55778b96635SMaksim Yevmenkin s = bt_devopen(di->devname); 558baeef614SMaksim Yevmenkin if (s < 0) 559baeef614SMaksim Yevmenkin return (-1); 560baeef614SMaksim Yevmenkin 561baeef614SMaksim Yevmenkin rval = -1; 562baeef614SMaksim Yevmenkin 56378b96635SMaksim Yevmenkin halen = sizeof(ha); 56478b96635SMaksim Yevmenkin if (getsockname(s, (struct sockaddr *) &ha, &halen) < 0) 565baeef614SMaksim Yevmenkin goto bad; 566baeef614SMaksim Yevmenkin strlcpy(di->devname, ha.hci_node, sizeof(di->devname)); 567baeef614SMaksim Yevmenkin 568baeef614SMaksim Yevmenkin if (ioctl(s, SIOC_HCI_RAW_NODE_GET_STATE, &rp.r0, sizeof(rp.r0)) < 0) 569baeef614SMaksim Yevmenkin goto bad; 570baeef614SMaksim Yevmenkin di->state = rp.r0.state; 571baeef614SMaksim Yevmenkin 572baeef614SMaksim Yevmenkin if (ioctl(s, SIOC_HCI_RAW_NODE_GET_BDADDR, &rp.r1, sizeof(rp.r1)) < 0) 573baeef614SMaksim Yevmenkin goto bad; 574baeef614SMaksim Yevmenkin bdaddr_copy(&di->bdaddr, &rp.r1.bdaddr); 575baeef614SMaksim Yevmenkin 576baeef614SMaksim Yevmenkin if (ioctl(s, SIOC_HCI_RAW_NODE_GET_FEATURES, &rp.r2, sizeof(rp.r2)) < 0) 577baeef614SMaksim Yevmenkin goto bad; 578baeef614SMaksim Yevmenkin memcpy(di->features, rp.r2.features, sizeof(di->features)); 579baeef614SMaksim Yevmenkin 580baeef614SMaksim Yevmenkin if (ioctl(s, SIOC_HCI_RAW_NODE_GET_BUFFER, &rp.r3, sizeof(rp.r3)) < 0) 581baeef614SMaksim Yevmenkin goto bad; 582baeef614SMaksim Yevmenkin di->cmd_free = rp.r3.buffer.cmd_free; 583baeef614SMaksim Yevmenkin di->sco_size = rp.r3.buffer.sco_size; 584baeef614SMaksim Yevmenkin di->sco_pkts = rp.r3.buffer.sco_pkts; 585baeef614SMaksim Yevmenkin di->sco_free = rp.r3.buffer.sco_free; 586baeef614SMaksim Yevmenkin di->acl_size = rp.r3.buffer.acl_size; 587baeef614SMaksim Yevmenkin di->acl_pkts = rp.r3.buffer.acl_pkts; 588baeef614SMaksim Yevmenkin di->acl_free = rp.r3.buffer.acl_free; 589baeef614SMaksim Yevmenkin 590baeef614SMaksim Yevmenkin if (ioctl(s, SIOC_HCI_RAW_NODE_GET_STAT, &rp.r4, sizeof(rp.r4)) < 0) 591baeef614SMaksim Yevmenkin goto bad; 592baeef614SMaksim Yevmenkin di->cmd_sent = rp.r4.stat.cmd_sent; 593baeef614SMaksim Yevmenkin di->evnt_recv = rp.r4.stat.evnt_recv; 594baeef614SMaksim Yevmenkin di->acl_recv = rp.r4.stat.acl_recv; 595baeef614SMaksim Yevmenkin di->acl_sent = rp.r4.stat.acl_sent; 596baeef614SMaksim Yevmenkin di->sco_recv = rp.r4.stat.sco_recv; 597baeef614SMaksim Yevmenkin di->sco_sent = rp.r4.stat.sco_sent; 598baeef614SMaksim Yevmenkin di->bytes_recv = rp.r4.stat.bytes_recv; 599baeef614SMaksim Yevmenkin di->bytes_sent = rp.r4.stat.bytes_sent; 600baeef614SMaksim Yevmenkin 601baeef614SMaksim Yevmenkin if (ioctl(s, SIOC_HCI_RAW_NODE_GET_LINK_POLICY_MASK, 602baeef614SMaksim Yevmenkin &rp.r5, sizeof(rp.r5)) < 0) 603baeef614SMaksim Yevmenkin goto bad; 604baeef614SMaksim Yevmenkin di->link_policy_info = rp.r5.policy_mask; 605baeef614SMaksim Yevmenkin 606baeef614SMaksim Yevmenkin if (ioctl(s, SIOC_HCI_RAW_NODE_GET_PACKET_MASK, 607baeef614SMaksim Yevmenkin &rp.r6, sizeof(rp.r6)) < 0) 608baeef614SMaksim Yevmenkin goto bad; 609baeef614SMaksim Yevmenkin di->packet_type_info = rp.r6.packet_mask; 610baeef614SMaksim Yevmenkin 611baeef614SMaksim Yevmenkin if (ioctl(s, SIOC_HCI_RAW_NODE_GET_ROLE_SWITCH, 612baeef614SMaksim Yevmenkin &rp.r7, sizeof(rp.r7)) < 0) 613baeef614SMaksim Yevmenkin goto bad; 614baeef614SMaksim Yevmenkin di->role_switch_info = rp.r7.role_switch; 615baeef614SMaksim Yevmenkin 616baeef614SMaksim Yevmenkin if (ioctl(s, SIOC_HCI_RAW_NODE_GET_DEBUG, &rp.r8, sizeof(rp.r8)) < 0) 617baeef614SMaksim Yevmenkin goto bad; 618baeef614SMaksim Yevmenkin di->debug = rp.r8.debug; 619baeef614SMaksim Yevmenkin 620baeef614SMaksim Yevmenkin rval = 0; 621baeef614SMaksim Yevmenkin bad: 62278b96635SMaksim Yevmenkin bt_devclose(s); 623baeef614SMaksim Yevmenkin 624baeef614SMaksim Yevmenkin return (rval); 625baeef614SMaksim Yevmenkin } 626baeef614SMaksim Yevmenkin 627baeef614SMaksim Yevmenkin int 628baeef614SMaksim Yevmenkin bt_devenum(bt_devenum_cb_t cb, void *arg) 629baeef614SMaksim Yevmenkin { 630baeef614SMaksim Yevmenkin struct ng_btsocket_hci_raw_node_list_names rp; 631baeef614SMaksim Yevmenkin struct bt_devinfo di; 632baeef614SMaksim Yevmenkin struct sockaddr_hci ha; 633baeef614SMaksim Yevmenkin int s, i, count; 634baeef614SMaksim Yevmenkin 635baeef614SMaksim Yevmenkin rp.num_names = HCI_DEVMAX; 636baeef614SMaksim Yevmenkin rp.names = (struct nodeinfo *) calloc(rp.num_names, 637baeef614SMaksim Yevmenkin sizeof(struct nodeinfo)); 638baeef614SMaksim Yevmenkin if (rp.names == NULL) { 639baeef614SMaksim Yevmenkin errno = ENOMEM; 640baeef614SMaksim Yevmenkin return (-1); 641baeef614SMaksim Yevmenkin } 642baeef614SMaksim Yevmenkin 643baeef614SMaksim Yevmenkin memset(&ha, 0, sizeof(ha)); 644baeef614SMaksim Yevmenkin ha.hci_len = sizeof(ha); 645baeef614SMaksim Yevmenkin ha.hci_family = AF_BLUETOOTH; 646baeef614SMaksim Yevmenkin ha.hci_node[0] = 'x'; 647baeef614SMaksim Yevmenkin 648baeef614SMaksim Yevmenkin s = socket(PF_BLUETOOTH, SOCK_RAW, BLUETOOTH_PROTO_HCI); 649baeef614SMaksim Yevmenkin if (s < 0) { 650baeef614SMaksim Yevmenkin free(rp.names); 651baeef614SMaksim Yevmenkin 652baeef614SMaksim Yevmenkin return (-1); 653baeef614SMaksim Yevmenkin } 654baeef614SMaksim Yevmenkin 655baeef614SMaksim Yevmenkin if (bind(s, (struct sockaddr *) &ha, sizeof(ha)) < 0 || 656baeef614SMaksim Yevmenkin connect(s, (struct sockaddr *) &ha, sizeof(ha)) < 0 || 657baeef614SMaksim Yevmenkin ioctl(s, SIOC_HCI_RAW_NODE_LIST_NAMES, &rp, sizeof(rp)) < 0) { 658baeef614SMaksim Yevmenkin close(s); 659baeef614SMaksim Yevmenkin free(rp.names); 660baeef614SMaksim Yevmenkin 661baeef614SMaksim Yevmenkin return (-1); 662baeef614SMaksim Yevmenkin } 663baeef614SMaksim Yevmenkin 664baeef614SMaksim Yevmenkin for (count = 0, i = 0; i < rp.num_names; i ++) { 665baeef614SMaksim Yevmenkin strlcpy(di.devname, rp.names[i].name, sizeof(di.devname)); 666baeef614SMaksim Yevmenkin if (bt_devinfo(&di) < 0) 667baeef614SMaksim Yevmenkin continue; 668baeef614SMaksim Yevmenkin 669baeef614SMaksim Yevmenkin count ++; 670baeef614SMaksim Yevmenkin 671baeef614SMaksim Yevmenkin if (cb == NULL) 672baeef614SMaksim Yevmenkin continue; 673baeef614SMaksim Yevmenkin 674baeef614SMaksim Yevmenkin strlcpy(ha.hci_node, rp.names[i].name, sizeof(ha.hci_node)); 675baeef614SMaksim Yevmenkin if (bind(s, (struct sockaddr *) &ha, sizeof(ha)) < 0 || 676baeef614SMaksim Yevmenkin connect(s, (struct sockaddr *) &ha, sizeof(ha)) < 0) 677baeef614SMaksim Yevmenkin continue; 678baeef614SMaksim Yevmenkin 679baeef614SMaksim Yevmenkin if ((*cb)(s, &di, arg) > 0) 680baeef614SMaksim Yevmenkin break; 681baeef614SMaksim Yevmenkin } 682baeef614SMaksim Yevmenkin 683baeef614SMaksim Yevmenkin close (s); 684baeef614SMaksim Yevmenkin free(rp.names); 685baeef614SMaksim Yevmenkin 686baeef614SMaksim Yevmenkin return (count); 687baeef614SMaksim Yevmenkin } 688baeef614SMaksim Yevmenkin 68978b96635SMaksim Yevmenkin static int 69078b96635SMaksim Yevmenkin bt_devany_cb(int s, struct bt_devinfo const *di, void *xdevname) 69178b96635SMaksim Yevmenkin { 69278b96635SMaksim Yevmenkin strlcpy((char *) xdevname, di->devname, HCI_DEVNAME_SIZE); 69378b96635SMaksim Yevmenkin return (1); 69478b96635SMaksim Yevmenkin } 69578b96635SMaksim Yevmenkin 696baeef614SMaksim Yevmenkin static char * 697baeef614SMaksim Yevmenkin bt_dev2node(char const *devname, char *nodename, int nnlen) 698baeef614SMaksim Yevmenkin { 699baeef614SMaksim Yevmenkin static char const * bt_dev_prefix[] = { 700baeef614SMaksim Yevmenkin "btccc", /* 3Com Bluetooth PC-CARD */ 701baeef614SMaksim Yevmenkin "h4", /* UART/serial Bluetooth devices */ 702baeef614SMaksim Yevmenkin "ubt", /* Bluetooth USB devices */ 703baeef614SMaksim Yevmenkin NULL /* should be last */ 704baeef614SMaksim Yevmenkin }; 705baeef614SMaksim Yevmenkin 706baeef614SMaksim Yevmenkin static char _nodename[HCI_DEVNAME_SIZE]; 707baeef614SMaksim Yevmenkin char const **p; 708baeef614SMaksim Yevmenkin char *ep; 709baeef614SMaksim Yevmenkin int plen, unit; 710baeef614SMaksim Yevmenkin 711baeef614SMaksim Yevmenkin if (nodename == NULL) { 712baeef614SMaksim Yevmenkin nodename = _nodename; 713baeef614SMaksim Yevmenkin nnlen = HCI_DEVNAME_SIZE; 714baeef614SMaksim Yevmenkin } 715baeef614SMaksim Yevmenkin 716baeef614SMaksim Yevmenkin for (p = bt_dev_prefix; *p != NULL; p ++) { 717baeef614SMaksim Yevmenkin plen = strlen(*p); 718baeef614SMaksim Yevmenkin if (strncmp(devname, *p, plen) != 0) 719baeef614SMaksim Yevmenkin continue; 720baeef614SMaksim Yevmenkin 721baeef614SMaksim Yevmenkin unit = strtoul(devname + plen, &ep, 10); 722baeef614SMaksim Yevmenkin if (*ep != '\0' && 723baeef614SMaksim Yevmenkin strcmp(ep, "hci") != 0 && 724baeef614SMaksim Yevmenkin strcmp(ep, "l2cap") != 0) 725baeef614SMaksim Yevmenkin return (NULL); /* can't make sense of device name */ 726baeef614SMaksim Yevmenkin 727baeef614SMaksim Yevmenkin snprintf(nodename, nnlen, "%s%uhci", *p, unit); 728baeef614SMaksim Yevmenkin 729baeef614SMaksim Yevmenkin return (nodename); 730baeef614SMaksim Yevmenkin } 731baeef614SMaksim Yevmenkin 732baeef614SMaksim Yevmenkin return (NULL); 733baeef614SMaksim Yevmenkin } 734baeef614SMaksim Yevmenkin 735