bthidev.c revision 1.1.2.3
1 1.1.2.3 yamt /* $NetBSD: bthidev.c,v 1.1.2.3 2006/12/30 20:47:57 yamt Exp $ */ 2 1.1.2.2 yamt 3 1.1.2.2 yamt /*- 4 1.1.2.2 yamt * Copyright (c) 2006 Itronix Inc. 5 1.1.2.2 yamt * All rights reserved. 6 1.1.2.2 yamt * 7 1.1.2.2 yamt * Written by Iain Hibbert for Itronix Inc. 8 1.1.2.2 yamt * 9 1.1.2.2 yamt * Redistribution and use in source and binary forms, with or without 10 1.1.2.2 yamt * modification, are permitted provided that the following conditions 11 1.1.2.2 yamt * are met: 12 1.1.2.2 yamt * 1. Redistributions of source code must retain the above copyright 13 1.1.2.2 yamt * notice, this list of conditions and the following disclaimer. 14 1.1.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 15 1.1.2.2 yamt * notice, this list of conditions and the following disclaimer in the 16 1.1.2.2 yamt * documentation and/or other materials provided with the distribution. 17 1.1.2.2 yamt * 3. The name of Itronix Inc. may not be used to endorse 18 1.1.2.2 yamt * or promote products derived from this software without specific 19 1.1.2.2 yamt * prior written permission. 20 1.1.2.2 yamt * 21 1.1.2.2 yamt * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND 22 1.1.2.2 yamt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 1.1.2.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 1.1.2.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY 25 1.1.2.2 yamt * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26 1.1.2.2 yamt * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 1.1.2.2 yamt * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 28 1.1.2.2 yamt * ON ANY THEORY OF LIABILITY, WHETHER IN 29 1.1.2.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 1.1.2.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 1.1.2.2 yamt * POSSIBILITY OF SUCH DAMAGE. 32 1.1.2.2 yamt */ 33 1.1.2.2 yamt 34 1.1.2.2 yamt #include <sys/cdefs.h> 35 1.1.2.3 yamt __KERNEL_RCSID(0, "$NetBSD: bthidev.c,v 1.1.2.3 2006/12/30 20:47:57 yamt Exp $"); 36 1.1.2.2 yamt 37 1.1.2.2 yamt #include <sys/param.h> 38 1.1.2.2 yamt #include <sys/conf.h> 39 1.1.2.2 yamt #include <sys/device.h> 40 1.1.2.2 yamt #include <sys/fcntl.h> 41 1.1.2.2 yamt #include <sys/kernel.h> 42 1.1.2.2 yamt #include <sys/queue.h> 43 1.1.2.2 yamt #include <sys/malloc.h> 44 1.1.2.2 yamt #include <sys/mbuf.h> 45 1.1.2.2 yamt #include <sys/proc.h> 46 1.1.2.2 yamt #include <sys/systm.h> 47 1.1.2.2 yamt 48 1.1.2.3 yamt #include <prop/proplib.h> 49 1.1.2.3 yamt 50 1.1.2.2 yamt #include <netbt/bluetooth.h> 51 1.1.2.2 yamt #include <netbt/l2cap.h> 52 1.1.2.2 yamt 53 1.1.2.2 yamt #include <dev/usb/hid.h> 54 1.1.2.2 yamt #include <dev/bluetooth/btdev.h> 55 1.1.2.2 yamt #include <dev/bluetooth/bthid.h> 56 1.1.2.2 yamt #include <dev/bluetooth/bthidev.h> 57 1.1.2.2 yamt 58 1.1.2.2 yamt #include "locators.h" 59 1.1.2.2 yamt 60 1.1.2.2 yamt /***************************************************************************** 61 1.1.2.2 yamt * 62 1.1.2.2 yamt * Bluetooth HID device 63 1.1.2.2 yamt */ 64 1.1.2.2 yamt 65 1.1.2.2 yamt #define MAX_DESCRIPTOR_LEN 1024 /* sanity check */ 66 1.1.2.2 yamt 67 1.1.2.2 yamt /* bthidev softc */ 68 1.1.2.2 yamt struct bthidev_softc { 69 1.1.2.3 yamt struct btdev sc_btdev; 70 1.1.2.2 yamt uint16_t sc_state; 71 1.1.2.2 yamt uint16_t sc_flags; 72 1.1.2.2 yamt 73 1.1.2.2 yamt bdaddr_t sc_laddr; /* local address */ 74 1.1.2.2 yamt bdaddr_t sc_raddr; /* remote address */ 75 1.1.2.2 yamt 76 1.1.2.2 yamt uint16_t sc_ctlpsm; /* control PSM */ 77 1.1.2.2 yamt struct l2cap_channel *sc_ctl; /* control channel */ 78 1.1.2.2 yamt struct l2cap_channel *sc_ctl_l; /* control listen */ 79 1.1.2.2 yamt 80 1.1.2.2 yamt uint16_t sc_intpsm; /* interrupt PSM */ 81 1.1.2.2 yamt struct l2cap_channel *sc_int; /* interrupt channel */ 82 1.1.2.2 yamt struct l2cap_channel *sc_int_l; /* interrupt listen */ 83 1.1.2.2 yamt 84 1.1.2.2 yamt LIST_HEAD(,bthidev) sc_list; /* child list */ 85 1.1.2.2 yamt 86 1.1.2.2 yamt struct callout sc_reconnect; 87 1.1.2.2 yamt int sc_attempts; /* connection attempts */ 88 1.1.2.2 yamt }; 89 1.1.2.2 yamt 90 1.1.2.3 yamt /* sc_flags */ 91 1.1.2.3 yamt #define BTHID_RECONNECT (1 << 0) /* reconnect on link loss */ 92 1.1.2.3 yamt #define BTHID_CONNECTING (1 << 1) /* we are connecting */ 93 1.1.2.3 yamt 94 1.1.2.2 yamt /* device state */ 95 1.1.2.2 yamt #define BTHID_CLOSED 0 96 1.1.2.2 yamt #define BTHID_WAIT_CTL 1 97 1.1.2.2 yamt #define BTHID_WAIT_INT 2 98 1.1.2.2 yamt #define BTHID_OPEN 3 99 1.1.2.2 yamt #define BTHID_DETACHING 4 100 1.1.2.2 yamt 101 1.1.2.2 yamt #define BTHID_RETRY_INTERVAL 5 /* seconds between connection attempts */ 102 1.1.2.2 yamt 103 1.1.2.2 yamt /* bthidev internals */ 104 1.1.2.2 yamt static void bthidev_timeout(void *); 105 1.1.2.2 yamt static int bthidev_listen(struct bthidev_softc *); 106 1.1.2.2 yamt static int bthidev_connect(struct bthidev_softc *); 107 1.1.2.2 yamt static int bthidev_output(struct bthidev *, uint8_t *, int); 108 1.1.2.2 yamt static void bthidev_null(struct bthidev *, uint8_t *, int); 109 1.1.2.2 yamt 110 1.1.2.2 yamt /* autoconf(9) glue */ 111 1.1.2.2 yamt static int bthidev_match(struct device *, struct cfdata *, void *); 112 1.1.2.2 yamt static void bthidev_attach(struct device *, struct device *, void *); 113 1.1.2.2 yamt static int bthidev_detach(struct device *, int); 114 1.1.2.2 yamt static int bthidev_print(void *, const char *); 115 1.1.2.2 yamt 116 1.1.2.2 yamt CFATTACH_DECL(bthidev, sizeof(struct bthidev_softc), 117 1.1.2.2 yamt bthidev_match, bthidev_attach, bthidev_detach, NULL); 118 1.1.2.2 yamt 119 1.1.2.2 yamt /* bluetooth(9) protocol methods for L2CAP */ 120 1.1.2.2 yamt static void bthidev_connecting(void *); 121 1.1.2.2 yamt static void bthidev_ctl_connected(void *); 122 1.1.2.2 yamt static void bthidev_int_connected(void *); 123 1.1.2.2 yamt static void bthidev_ctl_disconnected(void *, int); 124 1.1.2.2 yamt static void bthidev_int_disconnected(void *, int); 125 1.1.2.2 yamt static void *bthidev_ctl_newconn(void *, struct sockaddr_bt *, struct sockaddr_bt *); 126 1.1.2.2 yamt static void *bthidev_int_newconn(void *, struct sockaddr_bt *, struct sockaddr_bt *); 127 1.1.2.2 yamt static void bthidev_complete(void *, int); 128 1.1.2.2 yamt static void bthidev_input(void *, struct mbuf *); 129 1.1.2.2 yamt 130 1.1.2.2 yamt static const struct btproto bthidev_ctl_proto = { 131 1.1.2.2 yamt bthidev_connecting, 132 1.1.2.2 yamt bthidev_ctl_connected, 133 1.1.2.2 yamt bthidev_ctl_disconnected, 134 1.1.2.2 yamt bthidev_ctl_newconn, 135 1.1.2.2 yamt bthidev_complete, 136 1.1.2.2 yamt bthidev_input, 137 1.1.2.2 yamt }; 138 1.1.2.2 yamt 139 1.1.2.2 yamt static const struct btproto bthidev_int_proto = { 140 1.1.2.2 yamt bthidev_connecting, 141 1.1.2.2 yamt bthidev_int_connected, 142 1.1.2.2 yamt bthidev_int_disconnected, 143 1.1.2.2 yamt bthidev_int_newconn, 144 1.1.2.2 yamt bthidev_complete, 145 1.1.2.2 yamt bthidev_input, 146 1.1.2.2 yamt }; 147 1.1.2.2 yamt 148 1.1.2.2 yamt /***************************************************************************** 149 1.1.2.2 yamt * 150 1.1.2.2 yamt * bthidev autoconf(9) routines 151 1.1.2.2 yamt */ 152 1.1.2.2 yamt 153 1.1.2.2 yamt static int 154 1.1.2.3 yamt bthidev_match(struct device *self, struct cfdata *cfdata, 155 1.1.2.3 yamt void *aux) 156 1.1.2.2 yamt { 157 1.1.2.3 yamt prop_dictionary_t dict = aux; 158 1.1.2.3 yamt prop_object_t obj; 159 1.1.2.2 yamt 160 1.1.2.3 yamt obj = prop_dictionary_get(dict, BTDEVservice); 161 1.1.2.3 yamt if (prop_string_equals_cstring(obj, "HID")) 162 1.1.2.3 yamt return 1; 163 1.1.2.2 yamt 164 1.1.2.3 yamt return 0; 165 1.1.2.2 yamt } 166 1.1.2.2 yamt 167 1.1.2.2 yamt static void 168 1.1.2.2 yamt bthidev_attach(struct device *parent, struct device *self, void *aux) 169 1.1.2.2 yamt { 170 1.1.2.2 yamt struct bthidev_softc *sc = (struct bthidev_softc *)self; 171 1.1.2.3 yamt prop_dictionary_t dict = aux; 172 1.1.2.3 yamt prop_object_t obj; 173 1.1.2.2 yamt struct bthidev_attach_args bha; 174 1.1.2.2 yamt struct bthidev *dev; 175 1.1.2.2 yamt struct hid_data *d; 176 1.1.2.2 yamt struct hid_item h; 177 1.1.2.3 yamt const void *desc; 178 1.1.2.2 yamt int locs[BTHIDBUSCF_NLOCS]; 179 1.1.2.3 yamt int maxid, rep, s, dlen; 180 1.1.2.2 yamt 181 1.1.2.2 yamt /* 182 1.1.2.2 yamt * Init softc 183 1.1.2.2 yamt */ 184 1.1.2.2 yamt LIST_INIT(&sc->sc_list); 185 1.1.2.2 yamt callout_init(&sc->sc_reconnect); 186 1.1.2.2 yamt callout_setfunc(&sc->sc_reconnect, bthidev_timeout, sc); 187 1.1.2.2 yamt sc->sc_state = BTHID_CLOSED; 188 1.1.2.3 yamt sc->sc_flags = BTHID_CONNECTING; 189 1.1.2.3 yamt sc->sc_ctlpsm = L2CAP_PSM_HID_CNTL; 190 1.1.2.3 yamt sc->sc_intpsm = L2CAP_PSM_HID_INTR; 191 1.1.2.2 yamt 192 1.1.2.2 yamt /* 193 1.1.2.3 yamt * extract config from proplist 194 1.1.2.2 yamt */ 195 1.1.2.3 yamt obj = prop_dictionary_get(dict, BTDEVladdr); 196 1.1.2.3 yamt bdaddr_copy(&sc->sc_laddr, prop_data_data_nocopy(obj)); 197 1.1.2.2 yamt 198 1.1.2.3 yamt obj = prop_dictionary_get(dict, BTDEVraddr); 199 1.1.2.3 yamt bdaddr_copy(&sc->sc_raddr, prop_data_data_nocopy(obj)); 200 1.1.2.2 yamt 201 1.1.2.3 yamt obj = prop_dictionary_get(dict, BTHIDEVcontrolpsm); 202 1.1.2.3 yamt if (prop_object_type(obj) == PROP_TYPE_NUMBER) { 203 1.1.2.3 yamt sc->sc_ctlpsm = prop_number_integer_value(obj); 204 1.1.2.3 yamt if (L2CAP_PSM_INVALID(sc->sc_ctlpsm)) { 205 1.1.2.3 yamt aprint_error(" invalid %s\n", BTHIDEVcontrolpsm); 206 1.1.2.3 yamt return; 207 1.1.2.3 yamt } 208 1.1.2.3 yamt } 209 1.1.2.3 yamt 210 1.1.2.3 yamt obj = prop_dictionary_get(dict, BTHIDEVinterruptpsm); 211 1.1.2.3 yamt if (prop_object_type(obj) == PROP_TYPE_NUMBER) { 212 1.1.2.3 yamt sc->sc_intpsm = prop_number_integer_value(obj); 213 1.1.2.3 yamt if (L2CAP_PSM_INVALID(sc->sc_intpsm)) { 214 1.1.2.3 yamt aprint_error(" invalid %s\n", BTHIDEVinterruptpsm); 215 1.1.2.3 yamt return; 216 1.1.2.3 yamt } 217 1.1.2.3 yamt } 218 1.1.2.3 yamt 219 1.1.2.3 yamt obj = prop_dictionary_get(dict, BTHIDEVdescriptor); 220 1.1.2.3 yamt if (prop_object_type(obj) == PROP_TYPE_DATA) { 221 1.1.2.3 yamt dlen = prop_data_size(obj); 222 1.1.2.3 yamt desc = prop_data_data_nocopy(obj); 223 1.1.2.3 yamt } else { 224 1.1.2.3 yamt aprint_error(" no %s\n", BTHIDEVdescriptor); 225 1.1.2.2 yamt return; 226 1.1.2.2 yamt } 227 1.1.2.3 yamt 228 1.1.2.3 yamt obj = prop_dictionary_get(dict, BTHIDEVreconnect); 229 1.1.2.3 yamt if (prop_object_type(obj) == PROP_TYPE_BOOL 230 1.1.2.3 yamt && !prop_bool_true(obj)) 231 1.1.2.3 yamt sc->sc_flags |= BTHID_RECONNECT; 232 1.1.2.2 yamt 233 1.1.2.2 yamt /* 234 1.1.2.2 yamt * Parse the descriptor and attach child devices, one per report. 235 1.1.2.2 yamt */ 236 1.1.2.2 yamt maxid = -1; 237 1.1.2.2 yamt h.report_ID = 0; 238 1.1.2.3 yamt d = hid_start_parse(desc, dlen, hid_none); 239 1.1.2.2 yamt while (hid_get_item(d, &h)) { 240 1.1.2.2 yamt if (h.report_ID > maxid) 241 1.1.2.2 yamt maxid = h.report_ID; 242 1.1.2.2 yamt } 243 1.1.2.2 yamt hid_end_parse(d); 244 1.1.2.2 yamt 245 1.1.2.2 yamt if (maxid < 0) { 246 1.1.2.2 yamt aprint_error(" no reports found\n"); 247 1.1.2.2 yamt return; 248 1.1.2.2 yamt } 249 1.1.2.2 yamt 250 1.1.2.2 yamt aprint_normal("\n"); 251 1.1.2.2 yamt 252 1.1.2.2 yamt for (rep = 0 ; rep <= maxid ; rep++) { 253 1.1.2.3 yamt if (hid_report_size(desc, dlen, hid_feature, rep) == 0 254 1.1.2.3 yamt && hid_report_size(desc, dlen, hid_input, rep) == 0 255 1.1.2.3 yamt && hid_report_size(desc, dlen, hid_output, rep) == 0) 256 1.1.2.2 yamt continue; 257 1.1.2.2 yamt 258 1.1.2.3 yamt bha.ba_desc = desc; 259 1.1.2.3 yamt bha.ba_dlen = dlen; 260 1.1.2.2 yamt bha.ba_input = bthidev_null; 261 1.1.2.2 yamt bha.ba_feature = bthidev_null; 262 1.1.2.2 yamt bha.ba_output = bthidev_output; 263 1.1.2.2 yamt bha.ba_id = rep; 264 1.1.2.2 yamt 265 1.1.2.2 yamt locs[BTHIDBUSCF_REPORTID] = rep; 266 1.1.2.2 yamt 267 1.1.2.2 yamt dev = (struct bthidev *)config_found_sm_loc((struct device *)sc, "bthidbus", 268 1.1.2.2 yamt locs, &bha, bthidev_print, config_stdsubmatch); 269 1.1.2.2 yamt if (dev != NULL) { 270 1.1.2.3 yamt dev->sc_parent = (struct device *)sc; 271 1.1.2.2 yamt dev->sc_id = rep; 272 1.1.2.2 yamt dev->sc_input = bha.ba_input; 273 1.1.2.2 yamt dev->sc_feature = bha.ba_feature; 274 1.1.2.2 yamt LIST_INSERT_HEAD(&sc->sc_list, dev, sc_next); 275 1.1.2.2 yamt } 276 1.1.2.2 yamt } 277 1.1.2.2 yamt 278 1.1.2.2 yamt /* 279 1.1.2.2 yamt * start bluetooth connections 280 1.1.2.2 yamt */ 281 1.1.2.2 yamt s = splsoftnet(); 282 1.1.2.3 yamt if ((sc->sc_flags & BTHID_RECONNECT) == 0) 283 1.1.2.2 yamt bthidev_listen(sc); 284 1.1.2.2 yamt 285 1.1.2.3 yamt if (sc->sc_flags & BTHID_CONNECTING) 286 1.1.2.2 yamt bthidev_connect(sc); 287 1.1.2.2 yamt splx(s); 288 1.1.2.2 yamt } 289 1.1.2.2 yamt 290 1.1.2.2 yamt static int 291 1.1.2.2 yamt bthidev_detach(struct device *self, int flags) 292 1.1.2.2 yamt { 293 1.1.2.2 yamt struct bthidev_softc *sc = (struct bthidev_softc *)self; 294 1.1.2.2 yamt struct bthidev *dev; 295 1.1.2.2 yamt int s; 296 1.1.2.2 yamt 297 1.1.2.2 yamt s = splsoftnet(); 298 1.1.2.2 yamt sc->sc_flags = 0; /* disable reconnecting */ 299 1.1.2.2 yamt 300 1.1.2.2 yamt /* release interrupt listen */ 301 1.1.2.2 yamt if (sc->sc_int_l != NULL) { 302 1.1.2.2 yamt l2cap_detach(&sc->sc_int_l); 303 1.1.2.2 yamt sc->sc_int_l = NULL; 304 1.1.2.2 yamt } 305 1.1.2.2 yamt 306 1.1.2.2 yamt /* release control listen */ 307 1.1.2.2 yamt if (sc->sc_ctl_l != NULL) { 308 1.1.2.2 yamt l2cap_detach(&sc->sc_ctl_l); 309 1.1.2.2 yamt sc->sc_ctl_l = NULL; 310 1.1.2.2 yamt } 311 1.1.2.2 yamt 312 1.1.2.2 yamt /* close interrupt channel */ 313 1.1.2.2 yamt if (sc->sc_int != NULL) { 314 1.1.2.2 yamt l2cap_disconnect(sc->sc_int, 0); 315 1.1.2.2 yamt l2cap_detach(&sc->sc_int); 316 1.1.2.2 yamt sc->sc_int = NULL; 317 1.1.2.2 yamt } 318 1.1.2.2 yamt 319 1.1.2.2 yamt /* close control channel */ 320 1.1.2.2 yamt if (sc->sc_ctl != NULL) { 321 1.1.2.2 yamt l2cap_disconnect(sc->sc_ctl, 0); 322 1.1.2.2 yamt l2cap_detach(&sc->sc_ctl); 323 1.1.2.2 yamt sc->sc_ctl = NULL; 324 1.1.2.2 yamt } 325 1.1.2.2 yamt 326 1.1.2.2 yamt /* remove callout */ 327 1.1.2.2 yamt sc->sc_state = BTHID_DETACHING; 328 1.1.2.2 yamt callout_stop(&sc->sc_reconnect); 329 1.1.2.2 yamt if (callout_invoking(&sc->sc_reconnect)) 330 1.1.2.2 yamt tsleep(sc, PWAIT, "bthidetach", 0); 331 1.1.2.2 yamt 332 1.1.2.2 yamt splx(s); 333 1.1.2.2 yamt 334 1.1.2.2 yamt /* detach children */ 335 1.1.2.2 yamt while ((dev = LIST_FIRST(&sc->sc_list)) != NULL) { 336 1.1.2.2 yamt LIST_REMOVE(dev, sc_next); 337 1.1.2.3 yamt config_detach((struct device *)dev, flags); 338 1.1.2.2 yamt } 339 1.1.2.2 yamt 340 1.1.2.2 yamt return 0; 341 1.1.2.2 yamt } 342 1.1.2.2 yamt 343 1.1.2.2 yamt /* 344 1.1.2.2 yamt * bthidev config print 345 1.1.2.2 yamt */ 346 1.1.2.2 yamt static int 347 1.1.2.2 yamt bthidev_print(void *aux, const char *pnp) 348 1.1.2.2 yamt { 349 1.1.2.2 yamt struct bthidev_attach_args *ba = aux; 350 1.1.2.2 yamt 351 1.1.2.2 yamt if (pnp != NULL) 352 1.1.2.2 yamt aprint_normal("%s:", pnp); 353 1.1.2.2 yamt 354 1.1.2.2 yamt if (ba->ba_id > 0) 355 1.1.2.2 yamt aprint_normal(" reportid %d", ba->ba_id); 356 1.1.2.2 yamt 357 1.1.2.2 yamt return UNCONF; 358 1.1.2.2 yamt } 359 1.1.2.2 yamt 360 1.1.2.2 yamt /***************************************************************************** 361 1.1.2.2 yamt * 362 1.1.2.2 yamt * bluetooth(4) HID attach/detach routines 363 1.1.2.2 yamt */ 364 1.1.2.2 yamt 365 1.1.2.2 yamt /* 366 1.1.2.3 yamt * callouts are scheduled after connections have been lost, in order 367 1.1.2.3 yamt * to clean up and reconnect. 368 1.1.2.2 yamt */ 369 1.1.2.2 yamt static void 370 1.1.2.2 yamt bthidev_timeout(void *arg) 371 1.1.2.2 yamt { 372 1.1.2.2 yamt struct bthidev_softc *sc = arg; 373 1.1.2.3 yamt int s; 374 1.1.2.2 yamt 375 1.1.2.2 yamt s = splsoftnet(); 376 1.1.2.2 yamt callout_ack(&sc->sc_reconnect); 377 1.1.2.2 yamt 378 1.1.2.2 yamt switch (sc->sc_state) { 379 1.1.2.2 yamt case BTHID_CLOSED: 380 1.1.2.3 yamt if (sc->sc_int != NULL) { 381 1.1.2.3 yamt l2cap_disconnect(sc->sc_int, 0); 382 1.1.2.3 yamt break; 383 1.1.2.3 yamt } 384 1.1.2.3 yamt 385 1.1.2.3 yamt if (sc->sc_ctl != NULL) { 386 1.1.2.3 yamt l2cap_disconnect(sc->sc_ctl, 0); 387 1.1.2.3 yamt break; 388 1.1.2.3 yamt } 389 1.1.2.3 yamt 390 1.1.2.3 yamt if (sc->sc_flags & BTHID_RECONNECT) { 391 1.1.2.3 yamt sc->sc_flags |= BTHID_CONNECTING; 392 1.1.2.3 yamt bthidev_connect(sc); 393 1.1.2.3 yamt break; 394 1.1.2.3 yamt } 395 1.1.2.3 yamt 396 1.1.2.2 yamt break; 397 1.1.2.2 yamt 398 1.1.2.2 yamt case BTHID_WAIT_CTL: 399 1.1.2.2 yamt break; 400 1.1.2.2 yamt 401 1.1.2.2 yamt case BTHID_WAIT_INT: 402 1.1.2.2 yamt break; 403 1.1.2.2 yamt 404 1.1.2.2 yamt case BTHID_OPEN: 405 1.1.2.2 yamt break; 406 1.1.2.2 yamt 407 1.1.2.2 yamt case BTHID_DETACHING: 408 1.1.2.2 yamt wakeup(sc); 409 1.1.2.2 yamt break; 410 1.1.2.2 yamt 411 1.1.2.2 yamt default: 412 1.1.2.2 yamt break; 413 1.1.2.2 yamt } 414 1.1.2.2 yamt splx(s); 415 1.1.2.2 yamt } 416 1.1.2.2 yamt 417 1.1.2.2 yamt /* 418 1.1.2.2 yamt * listen for our device 419 1.1.2.2 yamt */ 420 1.1.2.2 yamt static int 421 1.1.2.2 yamt bthidev_listen(struct bthidev_softc *sc) 422 1.1.2.2 yamt { 423 1.1.2.2 yamt struct sockaddr_bt sa; 424 1.1.2.2 yamt int err; 425 1.1.2.2 yamt 426 1.1.2.2 yamt memset(&sa, 0, sizeof(sa)); 427 1.1.2.2 yamt sa.bt_len = sizeof(sa); 428 1.1.2.2 yamt sa.bt_family = AF_BLUETOOTH; 429 1.1.2.2 yamt bdaddr_copy(&sa.bt_bdaddr, &sc->sc_laddr); 430 1.1.2.2 yamt 431 1.1.2.2 yamt /* 432 1.1.2.2 yamt * Listen on control PSM 433 1.1.2.2 yamt */ 434 1.1.2.2 yamt err = l2cap_attach(&sc->sc_ctl_l, &bthidev_ctl_proto, sc); 435 1.1.2.2 yamt if (err) 436 1.1.2.2 yamt return err; 437 1.1.2.2 yamt 438 1.1.2.2 yamt sa.bt_psm = sc->sc_ctlpsm; 439 1.1.2.2 yamt err = l2cap_bind(sc->sc_ctl_l, &sa); 440 1.1.2.2 yamt if (err) 441 1.1.2.2 yamt return err; 442 1.1.2.2 yamt 443 1.1.2.2 yamt err = l2cap_listen(sc->sc_ctl_l); 444 1.1.2.2 yamt if (err) 445 1.1.2.2 yamt return err; 446 1.1.2.2 yamt 447 1.1.2.2 yamt /* 448 1.1.2.2 yamt * Listen on interrupt PSM 449 1.1.2.2 yamt */ 450 1.1.2.2 yamt err = l2cap_attach(&sc->sc_int_l, &bthidev_int_proto, sc); 451 1.1.2.2 yamt if (err) 452 1.1.2.2 yamt return err; 453 1.1.2.2 yamt 454 1.1.2.2 yamt sa.bt_psm = sc->sc_intpsm; 455 1.1.2.2 yamt err = l2cap_bind(sc->sc_int_l, &sa); 456 1.1.2.2 yamt if (err) 457 1.1.2.2 yamt return err; 458 1.1.2.2 yamt 459 1.1.2.2 yamt err = l2cap_listen(sc->sc_int_l); 460 1.1.2.2 yamt if (err) 461 1.1.2.2 yamt return err; 462 1.1.2.2 yamt 463 1.1.2.2 yamt sc->sc_state = BTHID_WAIT_CTL; 464 1.1.2.2 yamt return 0; 465 1.1.2.2 yamt } 466 1.1.2.2 yamt 467 1.1.2.2 yamt /* 468 1.1.2.2 yamt * start connecting to our device 469 1.1.2.2 yamt */ 470 1.1.2.2 yamt static int 471 1.1.2.2 yamt bthidev_connect(struct bthidev_softc *sc) 472 1.1.2.2 yamt { 473 1.1.2.2 yamt struct sockaddr_bt sa; 474 1.1.2.2 yamt int err; 475 1.1.2.2 yamt 476 1.1.2.2 yamt if (sc->sc_attempts++ > 0) 477 1.1.2.3 yamt printf("%s: connect (#%d)\n", 478 1.1.2.3 yamt device_xname((struct device *)sc), sc->sc_attempts); 479 1.1.2.2 yamt 480 1.1.2.2 yamt memset(&sa, 0, sizeof(sa)); 481 1.1.2.2 yamt sa.bt_len = sizeof(sa); 482 1.1.2.2 yamt sa.bt_family = AF_BLUETOOTH; 483 1.1.2.2 yamt 484 1.1.2.2 yamt err = l2cap_attach(&sc->sc_ctl, &bthidev_ctl_proto, sc); 485 1.1.2.2 yamt if (err) { 486 1.1.2.3 yamt printf("%s: l2cap_attach failed (%d)\n", 487 1.1.2.3 yamt device_xname((struct device *)sc), err); 488 1.1.2.2 yamt return err; 489 1.1.2.2 yamt } 490 1.1.2.2 yamt 491 1.1.2.2 yamt bdaddr_copy(&sa.bt_bdaddr, &sc->sc_laddr); 492 1.1.2.2 yamt err = l2cap_bind(sc->sc_ctl, &sa); 493 1.1.2.2 yamt if (err) { 494 1.1.2.3 yamt printf("%s: l2cap_bind failed (%d)\n", 495 1.1.2.3 yamt device_xname((struct device *)sc), err); 496 1.1.2.2 yamt return err; 497 1.1.2.2 yamt } 498 1.1.2.2 yamt 499 1.1.2.2 yamt sa.bt_psm = sc->sc_ctlpsm; 500 1.1.2.2 yamt bdaddr_copy(&sa.bt_bdaddr, &sc->sc_raddr); 501 1.1.2.2 yamt err = l2cap_connect(sc->sc_ctl, &sa); 502 1.1.2.2 yamt if (err) { 503 1.1.2.3 yamt printf("%s: l2cap_connect failed (%d)\n", 504 1.1.2.3 yamt device_xname((struct device *)sc), err); 505 1.1.2.2 yamt return err; 506 1.1.2.2 yamt } 507 1.1.2.2 yamt 508 1.1.2.2 yamt sc->sc_state = BTHID_WAIT_CTL; 509 1.1.2.2 yamt return 0; 510 1.1.2.2 yamt } 511 1.1.2.2 yamt 512 1.1.2.2 yamt /***************************************************************************** 513 1.1.2.2 yamt * 514 1.1.2.2 yamt * bluetooth(9) callback methods for L2CAP 515 1.1.2.2 yamt * 516 1.1.2.2 yamt * All these are called from Bluetooth Protocol code, in a soft 517 1.1.2.2 yamt * interrupt context at IPL_SOFTNET. 518 1.1.2.2 yamt */ 519 1.1.2.2 yamt 520 1.1.2.2 yamt static void 521 1.1.2.2 yamt bthidev_connecting(void *arg) 522 1.1.2.2 yamt { 523 1.1.2.2 yamt 524 1.1.2.2 yamt /* dont care */ 525 1.1.2.2 yamt } 526 1.1.2.2 yamt 527 1.1.2.2 yamt static void 528 1.1.2.2 yamt bthidev_ctl_connected(void *arg) 529 1.1.2.2 yamt { 530 1.1.2.2 yamt struct sockaddr_bt sa; 531 1.1.2.2 yamt struct bthidev_softc *sc = arg; 532 1.1.2.2 yamt int err; 533 1.1.2.2 yamt 534 1.1.2.2 yamt if (sc->sc_state != BTHID_WAIT_CTL) 535 1.1.2.2 yamt return; 536 1.1.2.2 yamt 537 1.1.2.2 yamt KASSERT(sc->sc_ctl != NULL); 538 1.1.2.2 yamt KASSERT(sc->sc_int == NULL); 539 1.1.2.2 yamt 540 1.1.2.3 yamt if (sc->sc_flags & BTHID_CONNECTING) { 541 1.1.2.2 yamt /* initiate connect on interrupt PSM */ 542 1.1.2.2 yamt err = l2cap_attach(&sc->sc_int, &bthidev_int_proto, sc); 543 1.1.2.2 yamt if (err) 544 1.1.2.2 yamt goto fail; 545 1.1.2.2 yamt 546 1.1.2.2 yamt memset(&sa, 0, sizeof(sa)); 547 1.1.2.2 yamt sa.bt_len = sizeof(sa); 548 1.1.2.2 yamt sa.bt_family = AF_BLUETOOTH; 549 1.1.2.2 yamt bdaddr_copy(&sa.bt_bdaddr, &sc->sc_laddr); 550 1.1.2.2 yamt 551 1.1.2.2 yamt err = l2cap_bind(sc->sc_int, &sa); 552 1.1.2.2 yamt if (err) 553 1.1.2.2 yamt goto fail; 554 1.1.2.2 yamt 555 1.1.2.2 yamt sa.bt_psm = sc->sc_intpsm; 556 1.1.2.2 yamt bdaddr_copy(&sa.bt_bdaddr, &sc->sc_raddr); 557 1.1.2.2 yamt err = l2cap_connect(sc->sc_int, &sa); 558 1.1.2.2 yamt if (err) 559 1.1.2.2 yamt goto fail; 560 1.1.2.2 yamt } 561 1.1.2.2 yamt 562 1.1.2.2 yamt sc->sc_state = BTHID_WAIT_INT; 563 1.1.2.2 yamt return; 564 1.1.2.2 yamt 565 1.1.2.2 yamt fail: 566 1.1.2.2 yamt l2cap_detach(&sc->sc_ctl); 567 1.1.2.2 yamt sc->sc_ctl = NULL; 568 1.1.2.3 yamt 569 1.1.2.3 yamt printf("%s: connect failed (%d)\n", 570 1.1.2.3 yamt device_xname((struct device *)sc), err); 571 1.1.2.2 yamt } 572 1.1.2.2 yamt 573 1.1.2.2 yamt static void 574 1.1.2.2 yamt bthidev_int_connected(void *arg) 575 1.1.2.2 yamt { 576 1.1.2.2 yamt struct bthidev_softc *sc = arg; 577 1.1.2.2 yamt 578 1.1.2.2 yamt if (sc->sc_state != BTHID_WAIT_INT) 579 1.1.2.2 yamt return; 580 1.1.2.2 yamt 581 1.1.2.2 yamt KASSERT(sc->sc_ctl != NULL); 582 1.1.2.2 yamt KASSERT(sc->sc_int != NULL); 583 1.1.2.2 yamt 584 1.1.2.2 yamt sc->sc_attempts = 0; 585 1.1.2.3 yamt sc->sc_flags &= ~BTHID_CONNECTING; 586 1.1.2.2 yamt sc->sc_state = BTHID_OPEN; 587 1.1.2.2 yamt 588 1.1.2.3 yamt printf("%s: connected\n", device_xname((struct device *)sc)); 589 1.1.2.2 yamt } 590 1.1.2.2 yamt 591 1.1.2.2 yamt /* 592 1.1.2.2 yamt * Disconnected 593 1.1.2.2 yamt * 594 1.1.2.2 yamt * Depending on our state, this could mean several things, but essentially 595 1.1.2.3 yamt * we are lost. If both channels are closed, and we are marked to reconnect, 596 1.1.2.3 yamt * schedule another try otherwise just give up. They will contact us. 597 1.1.2.2 yamt */ 598 1.1.2.2 yamt static void 599 1.1.2.2 yamt bthidev_ctl_disconnected(void *arg, int err) 600 1.1.2.2 yamt { 601 1.1.2.2 yamt struct bthidev_softc *sc = arg; 602 1.1.2.2 yamt 603 1.1.2.2 yamt if (sc->sc_ctl != NULL) { 604 1.1.2.2 yamt l2cap_detach(&sc->sc_ctl); 605 1.1.2.2 yamt sc->sc_ctl = NULL; 606 1.1.2.2 yamt } 607 1.1.2.2 yamt 608 1.1.2.2 yamt sc->sc_state = BTHID_CLOSED; 609 1.1.2.2 yamt 610 1.1.2.2 yamt if (sc->sc_int == NULL) { 611 1.1.2.3 yamt printf("%s: disconnected\n", 612 1.1.2.3 yamt device_xname((struct device *)sc)); 613 1.1.2.3 yamt sc->sc_flags &= ~BTHID_CONNECTING; 614 1.1.2.2 yamt 615 1.1.2.3 yamt if (sc->sc_flags & BTHID_RECONNECT) 616 1.1.2.2 yamt callout_schedule(&sc->sc_reconnect, 617 1.1.2.2 yamt BTHID_RETRY_INTERVAL * hz); 618 1.1.2.2 yamt else 619 1.1.2.2 yamt sc->sc_state = BTHID_WAIT_CTL; 620 1.1.2.3 yamt } else { 621 1.1.2.3 yamt /* 622 1.1.2.3 yamt * The interrupt channel should have been closed first, 623 1.1.2.3 yamt * but its potentially unsafe to detach that from here. 624 1.1.2.3 yamt * Give them a second to do the right thing or let the 625 1.1.2.3 yamt * callout handle it. 626 1.1.2.3 yamt */ 627 1.1.2.3 yamt callout_schedule(&sc->sc_reconnect, hz); 628 1.1.2.2 yamt } 629 1.1.2.2 yamt } 630 1.1.2.2 yamt 631 1.1.2.2 yamt static void 632 1.1.2.2 yamt bthidev_int_disconnected(void *arg, int err) 633 1.1.2.2 yamt { 634 1.1.2.2 yamt struct bthidev_softc *sc = arg; 635 1.1.2.2 yamt 636 1.1.2.2 yamt if (sc->sc_int != NULL) { 637 1.1.2.2 yamt l2cap_detach(&sc->sc_int); 638 1.1.2.2 yamt sc->sc_int = NULL; 639 1.1.2.2 yamt } 640 1.1.2.2 yamt 641 1.1.2.2 yamt sc->sc_state = BTHID_CLOSED; 642 1.1.2.2 yamt 643 1.1.2.2 yamt if (sc->sc_ctl == NULL) { 644 1.1.2.3 yamt printf("%s: disconnected\n", 645 1.1.2.3 yamt device_xname((struct device *)sc)); 646 1.1.2.3 yamt sc->sc_flags &= ~BTHID_CONNECTING; 647 1.1.2.2 yamt 648 1.1.2.3 yamt if (sc->sc_flags & BTHID_RECONNECT) 649 1.1.2.2 yamt callout_schedule(&sc->sc_reconnect, 650 1.1.2.2 yamt BTHID_RETRY_INTERVAL * hz); 651 1.1.2.2 yamt else 652 1.1.2.2 yamt sc->sc_state = BTHID_WAIT_CTL; 653 1.1.2.3 yamt } else { 654 1.1.2.3 yamt /* 655 1.1.2.3 yamt * The control channel should be closing also, allow 656 1.1.2.3 yamt * them a chance to do that before we force it. 657 1.1.2.3 yamt */ 658 1.1.2.3 yamt callout_schedule(&sc->sc_reconnect, hz); 659 1.1.2.2 yamt } 660 1.1.2.2 yamt } 661 1.1.2.2 yamt 662 1.1.2.2 yamt /* 663 1.1.2.2 yamt * New Connections 664 1.1.2.2 yamt * 665 1.1.2.2 yamt * We give a new L2CAP handle back if this matches the BDADDR we are 666 1.1.2.2 yamt * listening for and we are in the right state. bthidev_connected will 667 1.1.2.2 yamt * be called when the connection is open, so nothing else to do here 668 1.1.2.2 yamt */ 669 1.1.2.2 yamt static void * 670 1.1.2.3 yamt bthidev_ctl_newconn(void *arg, struct sockaddr_bt *laddr, 671 1.1.2.3 yamt struct sockaddr_bt *raddr) 672 1.1.2.2 yamt { 673 1.1.2.2 yamt struct bthidev_softc *sc = arg; 674 1.1.2.2 yamt 675 1.1.2.2 yamt if (bdaddr_same(&raddr->bt_bdaddr, &sc->sc_raddr) == 0 676 1.1.2.3 yamt || (sc->sc_flags & BTHID_CONNECTING) 677 1.1.2.2 yamt || sc->sc_state != BTHID_WAIT_CTL 678 1.1.2.2 yamt || sc->sc_ctl != NULL 679 1.1.2.2 yamt || sc->sc_int != NULL) 680 1.1.2.2 yamt return NULL; 681 1.1.2.2 yamt 682 1.1.2.2 yamt l2cap_attach(&sc->sc_ctl, &bthidev_ctl_proto, sc); 683 1.1.2.2 yamt return sc->sc_ctl; 684 1.1.2.2 yamt } 685 1.1.2.2 yamt 686 1.1.2.2 yamt static void * 687 1.1.2.3 yamt bthidev_int_newconn(void *arg, struct sockaddr_bt *laddr, 688 1.1.2.3 yamt struct sockaddr_bt *raddr) 689 1.1.2.2 yamt { 690 1.1.2.2 yamt struct bthidev_softc *sc = arg; 691 1.1.2.2 yamt 692 1.1.2.2 yamt if (bdaddr_same(&raddr->bt_bdaddr, &sc->sc_raddr) == 0 693 1.1.2.3 yamt || (sc->sc_flags & BTHID_CONNECTING) 694 1.1.2.2 yamt || sc->sc_state != BTHID_WAIT_INT 695 1.1.2.2 yamt || sc->sc_ctl == NULL 696 1.1.2.2 yamt || sc->sc_int != NULL) 697 1.1.2.2 yamt return NULL; 698 1.1.2.2 yamt 699 1.1.2.2 yamt l2cap_attach(&sc->sc_int, &bthidev_int_proto, sc); 700 1.1.2.2 yamt return sc->sc_int; 701 1.1.2.2 yamt } 702 1.1.2.2 yamt 703 1.1.2.2 yamt static void 704 1.1.2.2 yamt bthidev_complete(void *arg, int count) 705 1.1.2.2 yamt { 706 1.1.2.2 yamt 707 1.1.2.2 yamt /* dont care */ 708 1.1.2.2 yamt } 709 1.1.2.2 yamt 710 1.1.2.2 yamt /* 711 1.1.2.2 yamt * Receive reports from the protocol stack. 712 1.1.2.2 yamt */ 713 1.1.2.2 yamt static void 714 1.1.2.2 yamt bthidev_input(void *arg, struct mbuf *m) 715 1.1.2.2 yamt { 716 1.1.2.2 yamt struct bthidev_softc *sc = arg; 717 1.1.2.2 yamt struct bthidev *dev; 718 1.1.2.2 yamt uint8_t *data; 719 1.1.2.2 yamt int len; 720 1.1.2.2 yamt 721 1.1.2.2 yamt if (sc->sc_state != BTHID_OPEN) 722 1.1.2.2 yamt goto release; 723 1.1.2.2 yamt 724 1.1.2.2 yamt if (m->m_pkthdr.len > m->m_len) 725 1.1.2.3 yamt printf("%s: truncating HID report\n", 726 1.1.2.3 yamt device_xname((struct device *)sc)); 727 1.1.2.2 yamt 728 1.1.2.2 yamt len = m->m_len; 729 1.1.2.2 yamt data = mtod(m, uint8_t *); 730 1.1.2.2 yamt 731 1.1.2.2 yamt if (BTHID_TYPE(data[0]) == BTHID_DATA) { 732 1.1.2.2 yamt /* 733 1.1.2.2 yamt * data[0] == type / parameter 734 1.1.2.2 yamt * data[1] == id 735 1.1.2.2 yamt * data[2..len] == report 736 1.1.2.2 yamt */ 737 1.1.2.2 yamt if (len < 3) 738 1.1.2.2 yamt goto release; 739 1.1.2.2 yamt 740 1.1.2.2 yamt LIST_FOREACH(dev, &sc->sc_list, sc_next) { 741 1.1.2.2 yamt if (data[1] == dev->sc_id) { 742 1.1.2.2 yamt switch (BTHID_DATA_PARAM(data[0])) { 743 1.1.2.2 yamt case BTHID_DATA_INPUT: 744 1.1.2.2 yamt (*dev->sc_input)(dev, data + 2, len - 2); 745 1.1.2.2 yamt break; 746 1.1.2.2 yamt 747 1.1.2.2 yamt case BTHID_DATA_FEATURE: 748 1.1.2.2 yamt (*dev->sc_feature)(dev, data + 2, len - 2); 749 1.1.2.2 yamt break; 750 1.1.2.2 yamt 751 1.1.2.2 yamt default: 752 1.1.2.2 yamt break; 753 1.1.2.2 yamt } 754 1.1.2.2 yamt 755 1.1.2.2 yamt goto release; 756 1.1.2.2 yamt } 757 1.1.2.2 yamt } 758 1.1.2.2 yamt printf("%s: report id %d, len = %d ignored\n", 759 1.1.2.3 yamt device_xname((struct device *)sc), data[1], len - 2); 760 1.1.2.2 yamt 761 1.1.2.2 yamt goto release; 762 1.1.2.2 yamt } 763 1.1.2.2 yamt 764 1.1.2.2 yamt if (BTHID_TYPE(data[0]) == BTHID_CONTROL) { 765 1.1.2.2 yamt if (len < 1) 766 1.1.2.2 yamt goto release; 767 1.1.2.2 yamt 768 1.1.2.2 yamt if (BTHID_DATA_PARAM(data[0]) == BTHID_CONTROL_UNPLUG) { 769 1.1.2.3 yamt printf("%s: unplugged\n", 770 1.1.2.3 yamt device_xname((struct device *)sc)); 771 1.1.2.2 yamt 772 1.1.2.2 yamt /* close interrupt channel */ 773 1.1.2.2 yamt if (sc->sc_int != NULL) { 774 1.1.2.2 yamt l2cap_disconnect(sc->sc_int, 0); 775 1.1.2.2 yamt l2cap_detach(&sc->sc_int); 776 1.1.2.2 yamt sc->sc_int = NULL; 777 1.1.2.2 yamt } 778 1.1.2.2 yamt 779 1.1.2.2 yamt /* close control channel */ 780 1.1.2.2 yamt if (sc->sc_ctl != NULL) { 781 1.1.2.2 yamt l2cap_disconnect(sc->sc_ctl, 0); 782 1.1.2.2 yamt l2cap_detach(&sc->sc_ctl); 783 1.1.2.2 yamt sc->sc_ctl = NULL; 784 1.1.2.2 yamt } 785 1.1.2.2 yamt } 786 1.1.2.2 yamt 787 1.1.2.2 yamt goto release; 788 1.1.2.2 yamt } 789 1.1.2.2 yamt 790 1.1.2.2 yamt release: 791 1.1.2.2 yamt m_freem(m); 792 1.1.2.2 yamt } 793 1.1.2.2 yamt 794 1.1.2.2 yamt /***************************************************************************** 795 1.1.2.2 yamt * 796 1.1.2.2 yamt * IO routines 797 1.1.2.2 yamt */ 798 1.1.2.2 yamt 799 1.1.2.2 yamt static void 800 1.1.2.3 yamt bthidev_null(struct bthidev *dev, uint8_t *report, 801 1.1.2.3 yamt int len) 802 1.1.2.2 yamt { 803 1.1.2.2 yamt 804 1.1.2.2 yamt /* 805 1.1.2.2 yamt * empty routine just in case the device 806 1.1.2.2 yamt * provided no method to handle this report 807 1.1.2.2 yamt */ 808 1.1.2.2 yamt } 809 1.1.2.2 yamt 810 1.1.2.2 yamt static int 811 1.1.2.2 yamt bthidev_output(struct bthidev *dev, uint8_t *report, int rlen) 812 1.1.2.2 yamt { 813 1.1.2.2 yamt struct bthidev_softc *sc = (struct bthidev_softc *)dev->sc_parent; 814 1.1.2.2 yamt struct mbuf *m; 815 1.1.2.2 yamt int s, err; 816 1.1.2.2 yamt 817 1.1.2.2 yamt if (sc == NULL || sc->sc_state != BTHID_OPEN) 818 1.1.2.2 yamt return ENOTCONN; 819 1.1.2.2 yamt 820 1.1.2.2 yamt KASSERT(sc->sc_ctl != NULL); 821 1.1.2.2 yamt KASSERT(sc->sc_int != NULL); 822 1.1.2.2 yamt 823 1.1.2.2 yamt if (rlen == 0 || report == NULL) 824 1.1.2.2 yamt return 0; 825 1.1.2.2 yamt 826 1.1.2.2 yamt if (rlen > MHLEN - 2) { 827 1.1.2.2 yamt printf("%s: output report too long (%d)!\n", 828 1.1.2.3 yamt device_xname((struct device *)sc), rlen); 829 1.1.2.2 yamt 830 1.1.2.2 yamt return EMSGSIZE; 831 1.1.2.2 yamt } 832 1.1.2.2 yamt 833 1.1.2.2 yamt m = m_gethdr(M_DONTWAIT, MT_DATA); 834 1.1.2.2 yamt if (m == NULL) 835 1.1.2.2 yamt return ENOMEM; 836 1.1.2.2 yamt 837 1.1.2.2 yamt /* 838 1.1.2.2 yamt * data[0] = type / parameter 839 1.1.2.2 yamt * data[1] = id 840 1.1.2.2 yamt * data[2..N] = report 841 1.1.2.2 yamt */ 842 1.1.2.2 yamt mtod(m, uint8_t *)[0] = (uint8_t)((BTHID_DATA << 4) | BTHID_DATA_OUTPUT); 843 1.1.2.2 yamt mtod(m, uint8_t *)[1] = dev->sc_id; 844 1.1.2.2 yamt memcpy(mtod(m, uint8_t *) + 2, report, rlen); 845 1.1.2.2 yamt m->m_pkthdr.len = m->m_len = rlen + 2; 846 1.1.2.2 yamt 847 1.1.2.2 yamt s = splsoftnet(); 848 1.1.2.2 yamt err = l2cap_send(sc->sc_int, m); 849 1.1.2.2 yamt splx(s); 850 1.1.2.2 yamt 851 1.1.2.2 yamt return err; 852 1.1.2.2 yamt } 853
Indexes created Wed Oct 01 19:09:53 GMT 2025