1 /* $DragonFly: src/sys/netbt/hci_ioctl.c,v 1.2 2008/03/18 13:41:42 hasso Exp $ */ 2 /* $OpenBSD: src/sys/netbt/hci_ioctl.c,v 1.2 2008/02/24 21:34:48 uwe Exp $ */ 3 /* $NetBSD: hci_ioctl.c,v 1.7 2007/11/28 20:16:12 plunky Exp $ */ 4 5 /*- 6 * Copyright (c) 2005 Iain Hibbert. 7 * Copyright (c) 2006 Itronix Inc. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. The name of Itronix Inc. may not be used to endorse 19 * or promote products derived from this software without specific 20 * prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY 26 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 29 * ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/param.h> 36 #include <sys/domain.h> 37 #include <sys/kernel.h> 38 #include <sys/mbuf.h> 39 #include <sys/proc.h> 40 #include <sys/priv.h> 41 #include <sys/systm.h> 42 #include <sys/thread2.h> 43 #include <sys/bus.h> 44 45 #include <netbt/bluetooth.h> 46 #include <netbt/hci.h> 47 #include <netbt/l2cap.h> 48 #include <netbt/rfcomm.h> 49 50 #ifdef BLUETOOTH_DEBUG 51 #define BDADDR(bd) (bd).b[5], (bd).b[4], (bd).b[3], \ 52 (bd).b[2], (bd).b[1], (bd).b[0] 53 54 static void 55 hci_dump(void) 56 { 57 struct hci_unit *unit; 58 struct hci_link *link; 59 struct l2cap_channel *chan; 60 struct rfcomm_session *rs; 61 struct rfcomm_dlc *dlc; 62 63 kprintf("HCI:\n"); 64 TAILQ_FOREACH(unit, &hci_unit_list, hci_next) { 65 kprintf("UNIT %s: flags 0x%4.4x, " 66 "num_cmd=%d, num_acl=%d, num_sco=%d\n", 67 device_get_nameunit(unit->hci_dev), unit->hci_flags, 68 unit->hci_num_cmd_pkts, 69 unit->hci_num_acl_pkts, 70 unit->hci_num_sco_pkts); 71 TAILQ_FOREACH(link, &unit->hci_links, hl_next) { 72 kprintf("+HANDLE #%d: %s " 73 "raddr=%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, " 74 "state %d, refcnt %d\n", 75 link->hl_handle, 76 (link->hl_type == HCI_LINK_ACL ? "ACL":"SCO"), 77 BDADDR(link->hl_bdaddr), 78 link->hl_state, link->hl_refcnt); 79 } 80 } 81 82 kprintf("L2CAP:\n"); 83 LIST_FOREACH(chan, &l2cap_active_list, lc_ncid) { 84 kprintf("CID #%d state %d, psm=0x%4.4x, " 85 "laddr=%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, " 86 "raddr=%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n", 87 chan->lc_lcid, chan->lc_state, chan->lc_raddr.bt_psm, 88 BDADDR(chan->lc_laddr.bt_bdaddr), 89 BDADDR(chan->lc_raddr.bt_bdaddr)); 90 } 91 92 LIST_FOREACH(chan, &l2cap_listen_list, lc_ncid) { 93 kprintf("LISTEN psm=0x%4.4x, " 94 "laddr=%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n", 95 chan->lc_laddr.bt_psm, 96 BDADDR(chan->lc_laddr.bt_bdaddr)); 97 } 98 99 kprintf("RFCOMM:\n"); 100 LIST_FOREACH(rs, &rfcomm_session_active, rs_next) { 101 chan = rs->rs_l2cap; 102 kprintf("SESSION: state=%d, flags=0x%4.4x, psm 0x%4.4x " 103 "laddr=%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, " 104 "raddr=%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n", 105 rs->rs_state, rs->rs_flags, chan->lc_raddr.bt_psm, 106 BDADDR(chan->lc_laddr.bt_bdaddr), 107 BDADDR(chan->lc_raddr.bt_bdaddr)); 108 LIST_FOREACH(dlc, &rs->rs_dlcs, rd_next) { 109 kprintf("+DLC channel=%d, dlci=%d, " 110 "state=%d, flags=0x%4.4x, rxcred=%d, rxsize=%ld, " 111 "txcred=%d, pending=%d, txqlen=%d\n", 112 dlc->rd_raddr.bt_channel, dlc->rd_dlci, 113 dlc->rd_state, dlc->rd_flags, 114 dlc->rd_rxcred, (unsigned long)dlc->rd_rxsize, 115 dlc->rd_txcred, dlc->rd_pending, 116 (dlc->rd_txbuf ? dlc->rd_txbuf->m_pkthdr.len : 0)); 117 } 118 } 119 120 LIST_FOREACH(rs, &rfcomm_session_listen, rs_next) { 121 chan = rs->rs_l2cap; 122 kprintf("LISTEN: psm 0x%4.4x, " 123 "laddr=%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n", 124 chan->lc_laddr.bt_psm, 125 BDADDR(chan->lc_laddr.bt_bdaddr)); 126 LIST_FOREACH(dlc, &rs->rs_dlcs, rd_next) 127 kprintf("+DLC channel=%d\n", dlc->rd_laddr.bt_channel); 128 } 129 } 130 131 #undef BDADDR 132 #endif 133 134 int 135 hci_ioctl(unsigned long cmd, void *data, struct proc *p) 136 { 137 struct btreq *btr = data; 138 struct thread *td = curthread; 139 struct hci_unit *unit; 140 int err = 0; 141 142 DPRINTFN(1, "cmd %#lx\n", cmd); 143 144 switch(cmd) { 145 #ifdef BLUETOOTH_DEBUG 146 case SIOCBTDUMP: 147 hci_dump(); 148 return 0; 149 #endif 150 /* 151 * Get unit info based on address rather than name 152 */ 153 case SIOCGBTINFOA: 154 unit = hci_unit_lookup(&btr->btr_bdaddr); 155 if (unit == NULL) 156 return ENXIO; 157 158 break; 159 160 /* 161 * The remaining ioctl's all use the same btreq structure and 162 * index on the name of the device, so we look that up first. 163 */ 164 case SIOCNBTINFO: 165 /* empty name means give the first unit */ 166 if (btr->btr_name[0] == '\0') { 167 unit = NULL; 168 break; 169 } 170 171 /* else fall through and look it up */ 172 case SIOCGBTINFO: 173 case SIOCSBTFLAGS: 174 case SIOCSBTPOLICY: 175 case SIOCSBTPTYPE: 176 case SIOCGBTSTATS: 177 case SIOCZBTSTATS: 178 case SIOCSBTSCOMTU: 179 TAILQ_FOREACH(unit, &hci_unit_list, hci_next) { 180 if (strncmp(device_get_nameunit(unit->hci_dev), 181 btr->btr_name, HCI_DEVNAME_SIZE) == 0) 182 break; 183 } 184 185 if (unit == NULL) 186 return ENXIO; 187 188 break; 189 190 default: /* not one of mine */ 191 return EPASSTHROUGH; 192 } 193 194 switch(cmd) { 195 case SIOCNBTINFO: /* get next info */ 196 if (unit) 197 unit = TAILQ_NEXT(unit, hci_next); 198 else 199 unit = TAILQ_FIRST(&hci_unit_list); 200 201 if (unit == NULL) { 202 err = ENXIO; 203 break; 204 } 205 206 /* and fall through to */ 207 case SIOCGBTINFO: /* get unit info */ 208 case SIOCGBTINFOA: /* get info by address */ 209 memset(btr, 0, sizeof(struct btreq)); 210 strlcpy(btr->btr_name, device_get_nameunit(unit->hci_dev), 211 HCI_DEVNAME_SIZE); 212 bdaddr_copy(&btr->btr_bdaddr, &unit->hci_bdaddr); 213 214 btr->btr_flags = unit->hci_flags; 215 216 btr->btr_num_cmd = unit->hci_num_cmd_pkts; 217 btr->btr_num_acl = unit->hci_num_acl_pkts; 218 btr->btr_num_sco = unit->hci_num_sco_pkts; 219 btr->btr_acl_mtu = unit->hci_max_acl_size; 220 btr->btr_sco_mtu = unit->hci_max_sco_size; 221 222 btr->btr_packet_type = unit->hci_packet_type; 223 btr->btr_link_policy = unit->hci_link_policy; 224 break; 225 226 case SIOCSBTFLAGS: /* set unit flags (privileged) */ 227 err = priv_check(td, PRIV_ROOT); 228 if (err) 229 break; 230 231 if ((unit->hci_flags & BTF_UP) 232 && (btr->btr_flags & BTF_UP) == 0) { 233 hci_disable(unit); 234 unit->hci_flags &= ~BTF_UP; 235 } 236 237 unit->hci_flags |= (btr->btr_flags & BTF_INIT); 238 239 if ((unit->hci_flags & BTF_UP) == 0 240 && (btr->btr_flags & BTF_UP)) { 241 err = hci_enable(unit); 242 if (err) 243 break; 244 245 unit->hci_flags |= BTF_UP; 246 } 247 248 btr->btr_flags = unit->hci_flags; 249 break; 250 251 case SIOCSBTPOLICY: /* set unit link policy (privileged) */ 252 err = priv_check(td, PRIV_ROOT); 253 if (err) 254 break; 255 256 unit->hci_link_policy = btr->btr_link_policy; 257 unit->hci_link_policy &= unit->hci_lmp_mask; 258 btr->btr_link_policy = unit->hci_link_policy; 259 break; 260 261 case SIOCSBTPTYPE: /* set unit packet types (privileged) */ 262 err = priv_check(td, PRIV_ROOT); 263 if (err) 264 break; 265 266 unit->hci_packet_type = btr->btr_packet_type; 267 unit->hci_packet_type &= unit->hci_acl_mask; 268 btr->btr_packet_type = unit->hci_packet_type; 269 break; 270 271 case SIOCGBTSTATS: /* get unit statistics */ 272 (*unit->hci_if->get_stats)(unit->hci_dev, &btr->btr_stats, 0); 273 break; 274 275 case SIOCZBTSTATS: /* get & reset unit statistics */ 276 err = priv_check(td, PRIV_ROOT); 277 if (err) 278 break; 279 280 (*unit->hci_if->get_stats)(unit->hci_dev, &btr->btr_stats, 1); 281 break; 282 283 case SIOCSBTSCOMTU: /* set sco_mtu value for unit */ 284 /* 285 * This is a temporary ioctl and may not be supported 286 * in the future. The need is that if SCO packets are 287 * sent to USB bluetooth controllers that are not an 288 * integer number of frame sizes, the USB bus locks up. 289 */ 290 err = priv_check(td, PRIV_ROOT); 291 if (err) 292 break; 293 294 unit->hci_max_sco_size = btr->btr_sco_mtu; 295 break; 296 297 default: 298 err = EFAULT; 299 break; 300 } 301 302 return err; 303 } 304