1 /* $NetBSD: ath_netbsd.c,v 1.16 2008/11/12 12:36:11 ad Exp $ */ 2 3 /*- 4 * Copyright (c) 2003, 2004 David Young 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include <sys/cdefs.h> 31 __KERNEL_RCSID(0, "$NetBSD: ath_netbsd.c,v 1.16 2008/11/12 12:36:11 ad Exp $"); 32 33 #include <sys/param.h> 34 #include <sys/types.h> 35 #include <sys/errno.h> 36 #include <sys/systm.h> 37 #include <sys/sysctl.h> 38 #include <sys/mbuf.h> 39 #include <sys/malloc.h> 40 #include <sys/kernel.h> 41 #include <sys/socket.h> 42 #include <sys/sockio.h> 43 #include <sys/sysctl.h> 44 #include <sys/callout.h> 45 #include <sys/bus.h> 46 #include <machine/stdarg.h> 47 #include <sys/endian.h> 48 #include <sys/device.h> 49 50 #include <net/if.h> 51 #include <net/if_dl.h> 52 #include <net/if_media.h> 53 #include <net/if_arp.h> 54 #include <net/if_ether.h> 55 #include <net/if_llc.h> 56 57 #include <net80211/ieee80211_netbsd.h> 58 #include <net80211/ieee80211_var.h> 59 #include <dev/ic/ath_netbsd.h> 60 #include <dev/ic/athvar.h> 61 62 void 63 device_printf(device_t dev, const char *fmt, ...) 64 { 65 va_list ap; 66 67 va_start(ap, fmt); 68 printf("%s: ", device_xname(dev)); 69 vprintf(fmt, ap); 70 va_end(ap); 71 return; 72 } 73 74 /* 75 * Setup sysctl(3) MIB, hw.ath.*. 76 * 77 * TBD condition CTLFLAG_PERMANENT on being a module or not 78 */ 79 SYSCTL_SETUP(sysctl_ath, "sysctl ath subtree setup") 80 { 81 int rc; 82 const struct sysctlnode *cnode, *rnode; 83 84 if ((rnode = ath_sysctl_treetop(clog)) == NULL) 85 return; 86 87 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "dwell", 88 "channel dwell time (ms) for AP/station scanning", 89 dwelltime)) != 0) 90 goto err; 91 92 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "calibrate", 93 "chip calibration interval (secs)", calinterval)) != 0) 94 goto err; 95 96 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "outdoor", 97 "outdoor operation", outdoor)) != 0) 98 goto err; 99 100 /* country code */ 101 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, 102 "countrycode", "country code", countrycode)) != 0) 103 goto err; 104 105 /* regulatory domain */ 106 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "regdomain", 107 "EEPROM regdomain code", regdomain)) != 0) 108 goto err; 109 110 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "debug", 111 "control debugging printfs", debug)) != 0) 112 goto err; 113 114 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READONLY, "rxbuf", 115 "rx buffers allocated", rxbuf)) != 0) 116 goto err; 117 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READONLY, "txbuf", 118 "tx buffers allocated", txbuf)) != 0) 119 goto err; 120 121 return; 122 err: 123 printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc); 124 } 125 126 static int 127 ath_sysctl_slottime(SYSCTLFN_ARGS) 128 { 129 struct ath_softc *sc; 130 struct sysctlnode node; 131 u_int slottime; 132 int error; 133 134 node = *rnode; 135 sc = (struct ath_softc *)node.sysctl_data; 136 slottime = ath_hal_getslottime(sc->sc_ah); 137 node.sysctl_data = &slottime; 138 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 139 if (error || newp == NULL) 140 return error; 141 return !ath_hal_setslottime(sc->sc_ah, slottime) ? EINVAL : 0; 142 } 143 144 static int 145 ath_sysctl_acktimeout(SYSCTLFN_ARGS) 146 { 147 struct ath_softc *sc; 148 struct sysctlnode node; 149 u_int acktimeout; 150 int error; 151 152 node = *rnode; 153 sc = (struct ath_softc *)node.sysctl_data; 154 acktimeout = ath_hal_getacktimeout(sc->sc_ah); 155 node.sysctl_data = &acktimeout; 156 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 157 if (error || newp == NULL) 158 return error; 159 return !ath_hal_setacktimeout(sc->sc_ah, acktimeout) ? EINVAL : 0; 160 } 161 162 static int 163 ath_sysctl_ctstimeout(SYSCTLFN_ARGS) 164 { 165 struct ath_softc *sc; 166 struct sysctlnode node; 167 u_int ctstimeout; 168 int error; 169 170 node = *rnode; 171 sc = (struct ath_softc *)node.sysctl_data; 172 ctstimeout = ath_hal_getctstimeout(sc->sc_ah); 173 node.sysctl_data = &ctstimeout; 174 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 175 if (error || newp == NULL) 176 return error; 177 return !ath_hal_setctstimeout(sc->sc_ah, ctstimeout) ? EINVAL : 0; 178 } 179 180 static int 181 ath_sysctl_softled(SYSCTLFN_ARGS) 182 { 183 struct ath_softc *sc; 184 struct sysctlnode node; 185 int softled; 186 int error; 187 188 node = *rnode; 189 sc = (struct ath_softc *)node.sysctl_data; 190 softled = sc->sc_softled; 191 node.sysctl_data = &softled; 192 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 193 if (error || newp == NULL) 194 return error; 195 softled = (softled != 0); 196 if (softled != sc->sc_softled) { 197 if (softled) { 198 /* NB: handle any sc_ledpin change */ 199 ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_ledpin); 200 ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin, 201 !sc->sc_ledon); 202 } 203 sc->sc_softled = softled; 204 } 205 return 0; 206 } 207 208 static int 209 ath_sysctl_rxantenna(SYSCTLFN_ARGS) 210 { 211 struct ath_softc *sc; 212 struct sysctlnode node; 213 u_int defantenna; 214 int error; 215 216 node = *rnode; 217 sc = (struct ath_softc *)node.sysctl_data; 218 defantenna = ath_hal_getdefantenna(sc->sc_ah); 219 node.sysctl_data = &defantenna; 220 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 221 if (error || newp == NULL) 222 return error; 223 ath_hal_setdefantenna(sc->sc_ah, defantenna); 224 return 0; 225 } 226 227 static int 228 ath_sysctl_diversity(SYSCTLFN_ARGS) 229 { 230 struct ath_softc *sc; 231 struct sysctlnode node; 232 u_int diversity; 233 int error; 234 235 node = *rnode; 236 sc = (struct ath_softc *)node.sysctl_data; 237 diversity = sc->sc_diversity; 238 node.sysctl_data = &diversity; 239 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 240 if (error || newp == NULL) 241 return error; 242 if (!ath_hal_setdiversity(sc->sc_ah, diversity)) 243 return EINVAL; 244 sc->sc_diversity = diversity; 245 return 0; 246 } 247 248 static int 249 ath_sysctl_diag(SYSCTLFN_ARGS) 250 { 251 struct ath_softc *sc; 252 struct sysctlnode node; 253 u_int32_t diag; 254 int error; 255 256 node = *rnode; 257 sc = (struct ath_softc *)node.sysctl_data; 258 if (!ath_hal_getdiag(sc->sc_ah, &diag)) 259 return EINVAL; 260 node.sysctl_data = &diag; 261 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 262 if (error || newp == NULL) 263 return error; 264 return !ath_hal_setdiag(sc->sc_ah, diag) ? EINVAL : 0; 265 } 266 267 static int 268 ath_sysctl_tpscale(SYSCTLFN_ARGS) 269 { 270 struct ath_softc *sc; 271 struct sysctlnode node; 272 u_int32_t scale; 273 int error; 274 275 node = *rnode; 276 sc = (struct ath_softc *)node.sysctl_data; 277 (void)ath_hal_gettpscale(sc->sc_ah, &scale); 278 node.sysctl_data = &scale; 279 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 280 if (error || newp == NULL) 281 return error; 282 return !ath_hal_settpscale(sc->sc_ah, scale) 283 ? EINVAL 284 : ath_reset(&sc->sc_if); 285 } 286 287 static int 288 ath_sysctl_tpc(SYSCTLFN_ARGS) 289 { 290 struct ath_softc *sc; 291 struct sysctlnode node; 292 u_int tpc; 293 int error; 294 295 node = *rnode; 296 sc = (struct ath_softc *)node.sysctl_data; 297 tpc = ath_hal_gettpc(sc->sc_ah); 298 node.sysctl_data = &tpc; 299 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 300 if (error || newp == NULL) 301 return error; 302 return !ath_hal_settpc(sc->sc_ah, tpc) ? EINVAL : 0; 303 } 304 305 static int 306 ath_sysctl_rfkill(SYSCTLFN_ARGS) 307 { 308 struct ath_softc *sc; 309 struct sysctlnode node; 310 u_int rfkill; 311 int error; 312 313 node = *rnode; 314 sc = (struct ath_softc *)node.sysctl_data; 315 rfkill = ath_hal_getrfkill(sc->sc_ah); 316 node.sysctl_data = &rfkill; 317 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 318 if (error || newp == NULL) 319 return error; 320 return !ath_hal_setrfkill(sc->sc_ah, rfkill) ? EINVAL : 0; 321 } 322 323 static int 324 ath_sysctl_rfsilent(SYSCTLFN_ARGS) 325 { 326 struct ath_softc *sc; 327 struct sysctlnode node; 328 u_int rfsilent; 329 int error; 330 331 node = *rnode; 332 sc = (struct ath_softc *)node.sysctl_data; 333 (void)ath_hal_getrfsilent(sc->sc_ah, &rfsilent); 334 node.sysctl_data = &rfsilent; 335 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 336 if (error || newp == NULL) 337 return error; 338 return !ath_hal_setrfsilent(sc->sc_ah, rfsilent) ? EINVAL : 0; 339 } 340 341 static int 342 ath_sysctl_regdomain(SYSCTLFN_ARGS) 343 { 344 struct ath_softc *sc; 345 struct sysctlnode node; 346 u_int32_t rd; 347 int error; 348 349 node = *rnode; 350 sc = (struct ath_softc *)node.sysctl_data; 351 if (!ath_hal_getregdomain(sc->sc_ah, &rd)) 352 return EINVAL; 353 node.sysctl_data = &rd; 354 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 355 if (error || newp == NULL) 356 return error; 357 return !ath_hal_setregdomain(sc->sc_ah, rd) ? EINVAL : 0; 358 } 359 360 static int 361 ath_sysctl_tpack(SYSCTLFN_ARGS) 362 { 363 struct ath_softc *sc; 364 struct sysctlnode node; 365 u_int32_t tpack; 366 int error; 367 368 node = *rnode; 369 sc = (struct ath_softc *)node.sysctl_data; 370 (void)ath_hal_gettpack(sc->sc_ah, &tpack); 371 node.sysctl_data = &tpack; 372 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 373 if (error || newp == NULL) 374 return error; 375 return !ath_hal_settpack(sc->sc_ah, tpack) ? EINVAL : 0; 376 } 377 378 static int 379 ath_sysctl_tpcts(SYSCTLFN_ARGS) 380 { 381 struct ath_softc *sc; 382 struct sysctlnode node; 383 u_int32_t tpcts; 384 int error; 385 386 node = *rnode; 387 sc = (struct ath_softc *)node.sysctl_data; 388 (void)ath_hal_gettpcts(sc->sc_ah, &tpcts); 389 node.sysctl_data = &tpcts; 390 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 391 if (error || newp == NULL) 392 return error; 393 return !ath_hal_settpcts(sc->sc_ah, tpcts) ? EINVAL : 0; 394 } 395 396 const struct sysctlnode * 397 ath_sysctl_instance(const char *dvname, struct sysctllog **log) 398 { 399 int rc; 400 const struct sysctlnode *rnode; 401 402 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 403 CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL, 404 NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) 405 goto err; 406 407 if ((rc = sysctl_createv(log, 0, &rnode, &rnode, 408 CTLFLAG_PERMANENT, CTLTYPE_NODE, dvname, 409 SYSCTL_DESCR("ath information and options"), 410 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 411 goto err; 412 413 return rnode; 414 err: 415 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 416 return NULL; 417 } 418 419 const struct sysctlnode * 420 ath_sysctl_treetop(struct sysctllog **log) 421 { 422 int rc; 423 const struct sysctlnode *rnode; 424 425 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 426 CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL, 427 NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) 428 goto err; 429 430 if ((rc = sysctl_createv(log, 0, &rnode, &rnode, 431 CTLFLAG_PERMANENT, CTLTYPE_NODE, "ath", 432 SYSCTL_DESCR("ath information and options"), 433 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 434 goto err; 435 436 return rnode; 437 err: 438 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 439 return NULL; 440 } 441 442 void 443 ath_sysctlattach(struct ath_softc *sc) 444 { 445 int rc; 446 struct sysctllog **log = &sc->sc_sysctllog; 447 const struct sysctlnode *cnode, *rnode; 448 449 ath_hal_getcountrycode(sc->sc_ah, &sc->sc_countrycode); 450 (void)ath_hal_getregdomain(sc->sc_ah, &sc->sc_regdomain); 451 sc->sc_debug = ath_debug; 452 sc->sc_txintrperiod = ATH_TXINTR_PERIOD; 453 454 if ((rnode = ath_sysctl_instance(device_xname(sc->sc_dev), log)) == NULL) 455 return; 456 457 if ((rc = SYSCTL_INT(0, countrycode, "EEPROM country code")) != 0) 458 goto err; 459 460 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, debug, 461 "control debugging printfs")) != 0) 462 goto err; 463 464 #if 0 465 /* channel dwell time (ms) for AP/station scanning */ 466 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, dwell, 467 "Channel dwell time (ms) for scanning")) != 0) 468 goto err; 469 #endif 470 471 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, slottime, 472 "802.11 slot time (us)")) != 0) 473 goto err; 474 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, acktimeout, 475 "802.11 ACK timeout (us)")) != 0) 476 goto err; 477 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, ctstimeout, 478 "802.11 CTS timeout (us)")) != 0) 479 goto err; 480 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, softled, 481 "enable/disable software LED support")) != 0) 482 goto err; 483 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledpin, 484 "GPIO pin connected to LED")) != 0) 485 goto err; 486 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledon, 487 "setting to turn LED on")) != 0) 488 goto err; 489 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledidle, 490 "idle time for inactivity LED (ticks)")) != 0) 491 goto err; 492 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txantenna, 493 "tx antenna (0=auto)")) != 0) 494 goto err; 495 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rxantenna, 496 "default/rx antenna")) != 0) 497 goto err; 498 if (ath_hal_hasdiversity(sc->sc_ah)) { 499 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diversity, 500 "antenna diversity")) != 0) 501 goto err; 502 } 503 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txintrperiod, 504 "tx descriptor batching")) != 0) 505 goto err; 506 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diag, 507 "h/w diagnostic control")) != 0) 508 goto err; 509 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpscale, 510 "tx power scaling")) != 0) 511 goto err; 512 if (ath_hal_hastpc(sc->sc_ah)) { 513 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpc, 514 "enable/disable per-packet TPC")) != 0) 515 goto err; 516 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpack, 517 "tx power for ack frames")) != 0) 518 goto err; 519 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpcts, 520 "tx power for cts frames")) != 0) 521 goto err; 522 } 523 if (ath_hal_hasrfsilent(sc->sc_ah)) { 524 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rfsilent, 525 "h/w RF silent config")) != 0) 526 goto err; 527 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rfkill, 528 "enable/disable RF kill switch")) != 0) 529 goto err; 530 } 531 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, regdomain, 532 "EEPROM regdomain code")) != 0) 533 goto err; 534 return; 535 err: 536 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 537 } 538