1 /* $NetBSD: ath_netbsd.c,v 1.17 2009/10/19 23:19:39 rmind 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 __KERNEL_RCSID(0, "$NetBSD: ath_netbsd.c,v 1.17 2009/10/19 23:19:39 rmind Exp $"); 30 31 #include <sys/param.h> 32 #include <sys/types.h> 33 #include <sys/errno.h> 34 #include <sys/systm.h> 35 #include <sys/sysctl.h> 36 #include <sys/mbuf.h> 37 #include <sys/malloc.h> 38 #include <sys/kernel.h> 39 #include <sys/socket.h> 40 #include <sys/sockio.h> 41 #include <sys/sysctl.h> 42 #include <sys/callout.h> 43 #include <sys/bus.h> 44 #include <machine/stdarg.h> 45 #include <sys/endian.h> 46 #include <sys/device.h> 47 48 #include <net/if.h> 49 #include <net/if_dl.h> 50 #include <net/if_media.h> 51 #include <net/if_arp.h> 52 #include <net/if_ether.h> 53 #include <net/if_llc.h> 54 55 #include <net80211/ieee80211_netbsd.h> 56 #include <net80211/ieee80211_var.h> 57 #include <dev/ic/ath_netbsd.h> 58 #include <dev/ic/athvar.h> 59 60 void 61 device_printf(device_t dev, const char *fmt, ...) 62 { 63 va_list ap; 64 65 va_start(ap, fmt); 66 printf("%s: ", device_xname(dev)); 67 vprintf(fmt, ap); 68 va_end(ap); 69 return; 70 } 71 72 /* 73 * Setup sysctl(3) MIB, hw.ath.*. 74 * 75 * TBD condition CTLFLAG_PERMANENT on being a module or not 76 */ 77 SYSCTL_SETUP(sysctl_ath, "sysctl ath subtree setup") 78 { 79 int rc; 80 const struct sysctlnode *cnode, *rnode; 81 82 if ((rnode = ath_sysctl_treetop(clog)) == NULL) 83 return; 84 85 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "dwell", 86 "channel dwell time (ms) for AP/station scanning", 87 dwelltime)) != 0) 88 goto err; 89 90 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "calibrate", 91 "chip calibration interval (secs)", calinterval)) != 0) 92 goto err; 93 94 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "outdoor", 95 "outdoor operation", outdoor)) != 0) 96 goto err; 97 98 /* country code */ 99 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, 100 "countrycode", "country code", countrycode)) != 0) 101 goto err; 102 103 /* regulatory domain */ 104 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "regdomain", 105 "EEPROM regdomain code", regdomain)) != 0) 106 goto err; 107 108 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "debug", 109 "control debugging printfs", debug)) != 0) 110 goto err; 111 112 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READONLY, "rxbuf", 113 "rx buffers allocated", rxbuf)) != 0) 114 goto err; 115 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READONLY, "txbuf", 116 "tx buffers allocated", txbuf)) != 0) 117 goto err; 118 119 return; 120 err: 121 printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc); 122 } 123 124 static int 125 ath_sysctl_slottime(SYSCTLFN_ARGS) 126 { 127 struct ath_softc *sc; 128 struct sysctlnode node; 129 u_int slottime; 130 int error; 131 132 node = *rnode; 133 sc = (struct ath_softc *)node.sysctl_data; 134 slottime = ath_hal_getslottime(sc->sc_ah); 135 node.sysctl_data = &slottime; 136 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 137 if (error || newp == NULL) 138 return error; 139 return !ath_hal_setslottime(sc->sc_ah, slottime) ? EINVAL : 0; 140 } 141 142 static int 143 ath_sysctl_acktimeout(SYSCTLFN_ARGS) 144 { 145 struct ath_softc *sc; 146 struct sysctlnode node; 147 u_int acktimeout; 148 int error; 149 150 node = *rnode; 151 sc = (struct ath_softc *)node.sysctl_data; 152 acktimeout = ath_hal_getacktimeout(sc->sc_ah); 153 node.sysctl_data = &acktimeout; 154 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 155 if (error || newp == NULL) 156 return error; 157 return !ath_hal_setacktimeout(sc->sc_ah, acktimeout) ? EINVAL : 0; 158 } 159 160 static int 161 ath_sysctl_ctstimeout(SYSCTLFN_ARGS) 162 { 163 struct ath_softc *sc; 164 struct sysctlnode node; 165 u_int ctstimeout; 166 int error; 167 168 node = *rnode; 169 sc = (struct ath_softc *)node.sysctl_data; 170 ctstimeout = ath_hal_getctstimeout(sc->sc_ah); 171 node.sysctl_data = &ctstimeout; 172 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 173 if (error || newp == NULL) 174 return error; 175 return !ath_hal_setctstimeout(sc->sc_ah, ctstimeout) ? EINVAL : 0; 176 } 177 178 static int 179 ath_sysctl_softled(SYSCTLFN_ARGS) 180 { 181 struct ath_softc *sc; 182 struct sysctlnode node; 183 int softled; 184 int error; 185 186 node = *rnode; 187 sc = (struct ath_softc *)node.sysctl_data; 188 softled = sc->sc_softled; 189 node.sysctl_data = &softled; 190 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 191 if (error || newp == NULL) 192 return error; 193 softled = (softled != 0); 194 if (softled != sc->sc_softled) { 195 if (softled) { 196 /* NB: handle any sc_ledpin change */ 197 ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_ledpin); 198 ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin, 199 !sc->sc_ledon); 200 } 201 sc->sc_softled = softled; 202 } 203 return 0; 204 } 205 206 static int 207 ath_sysctl_rxantenna(SYSCTLFN_ARGS) 208 { 209 struct ath_softc *sc; 210 struct sysctlnode node; 211 u_int defantenna; 212 int error; 213 214 node = *rnode; 215 sc = (struct ath_softc *)node.sysctl_data; 216 defantenna = ath_hal_getdefantenna(sc->sc_ah); 217 node.sysctl_data = &defantenna; 218 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 219 if (error || newp == NULL) 220 return error; 221 ath_hal_setdefantenna(sc->sc_ah, defantenna); 222 return 0; 223 } 224 225 static int 226 ath_sysctl_diversity(SYSCTLFN_ARGS) 227 { 228 struct ath_softc *sc; 229 struct sysctlnode node; 230 u_int diversity; 231 int error; 232 233 node = *rnode; 234 sc = (struct ath_softc *)node.sysctl_data; 235 diversity = sc->sc_diversity; 236 node.sysctl_data = &diversity; 237 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 238 if (error || newp == NULL) 239 return error; 240 if (!ath_hal_setdiversity(sc->sc_ah, diversity)) 241 return EINVAL; 242 sc->sc_diversity = diversity; 243 return 0; 244 } 245 246 static int 247 ath_sysctl_diag(SYSCTLFN_ARGS) 248 { 249 struct ath_softc *sc; 250 struct sysctlnode node; 251 u_int32_t diag; 252 int error; 253 254 node = *rnode; 255 sc = (struct ath_softc *)node.sysctl_data; 256 if (!ath_hal_getdiag(sc->sc_ah, &diag)) 257 return EINVAL; 258 node.sysctl_data = &diag; 259 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 260 if (error || newp == NULL) 261 return error; 262 return !ath_hal_setdiag(sc->sc_ah, diag) ? EINVAL : 0; 263 } 264 265 static int 266 ath_sysctl_tpscale(SYSCTLFN_ARGS) 267 { 268 struct ath_softc *sc; 269 struct sysctlnode node; 270 u_int32_t scale; 271 int error; 272 273 node = *rnode; 274 sc = (struct ath_softc *)node.sysctl_data; 275 (void)ath_hal_gettpscale(sc->sc_ah, &scale); 276 node.sysctl_data = &scale; 277 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 278 if (error || newp == NULL) 279 return error; 280 return !ath_hal_settpscale(sc->sc_ah, scale) 281 ? EINVAL 282 : ath_reset(&sc->sc_if); 283 } 284 285 static int 286 ath_sysctl_tpc(SYSCTLFN_ARGS) 287 { 288 struct ath_softc *sc; 289 struct sysctlnode node; 290 u_int tpc; 291 int error; 292 293 node = *rnode; 294 sc = (struct ath_softc *)node.sysctl_data; 295 tpc = ath_hal_gettpc(sc->sc_ah); 296 node.sysctl_data = &tpc; 297 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 298 if (error || newp == NULL) 299 return error; 300 return !ath_hal_settpc(sc->sc_ah, tpc) ? EINVAL : 0; 301 } 302 303 static int 304 ath_sysctl_rfkill(SYSCTLFN_ARGS) 305 { 306 struct ath_softc *sc; 307 struct sysctlnode node; 308 u_int rfkill; 309 int error; 310 311 node = *rnode; 312 sc = (struct ath_softc *)node.sysctl_data; 313 rfkill = ath_hal_getrfkill(sc->sc_ah); 314 node.sysctl_data = &rfkill; 315 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 316 if (error || newp == NULL) 317 return error; 318 return !ath_hal_setrfkill(sc->sc_ah, rfkill) ? EINVAL : 0; 319 } 320 321 static int 322 ath_sysctl_rfsilent(SYSCTLFN_ARGS) 323 { 324 struct ath_softc *sc; 325 struct sysctlnode node; 326 u_int rfsilent; 327 int error; 328 329 node = *rnode; 330 sc = (struct ath_softc *)node.sysctl_data; 331 (void)ath_hal_getrfsilent(sc->sc_ah, &rfsilent); 332 node.sysctl_data = &rfsilent; 333 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 334 if (error || newp == NULL) 335 return error; 336 return !ath_hal_setrfsilent(sc->sc_ah, rfsilent) ? EINVAL : 0; 337 } 338 339 static int 340 ath_sysctl_regdomain(SYSCTLFN_ARGS) 341 { 342 struct ath_softc *sc; 343 struct sysctlnode node; 344 u_int32_t rd; 345 int error; 346 347 node = *rnode; 348 sc = (struct ath_softc *)node.sysctl_data; 349 if (!ath_hal_getregdomain(sc->sc_ah, &rd)) 350 return EINVAL; 351 node.sysctl_data = &rd; 352 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 353 if (error || newp == NULL) 354 return error; 355 return !ath_hal_setregdomain(sc->sc_ah, rd) ? EINVAL : 0; 356 } 357 358 static int 359 ath_sysctl_tpack(SYSCTLFN_ARGS) 360 { 361 struct ath_softc *sc; 362 struct sysctlnode node; 363 u_int32_t tpack; 364 int error; 365 366 node = *rnode; 367 sc = (struct ath_softc *)node.sysctl_data; 368 (void)ath_hal_gettpack(sc->sc_ah, &tpack); 369 node.sysctl_data = &tpack; 370 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 371 if (error || newp == NULL) 372 return error; 373 return !ath_hal_settpack(sc->sc_ah, tpack) ? EINVAL : 0; 374 } 375 376 static int 377 ath_sysctl_tpcts(SYSCTLFN_ARGS) 378 { 379 struct ath_softc *sc; 380 struct sysctlnode node; 381 u_int32_t tpcts; 382 int error; 383 384 node = *rnode; 385 sc = (struct ath_softc *)node.sysctl_data; 386 (void)ath_hal_gettpcts(sc->sc_ah, &tpcts); 387 node.sysctl_data = &tpcts; 388 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 389 if (error || newp == NULL) 390 return error; 391 return !ath_hal_settpcts(sc->sc_ah, tpcts) ? EINVAL : 0; 392 } 393 394 const struct sysctlnode * 395 ath_sysctl_instance(const char *dvname, struct sysctllog **log) 396 { 397 int rc; 398 const struct sysctlnode *rnode; 399 400 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 401 CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL, 402 NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) 403 goto err; 404 405 if ((rc = sysctl_createv(log, 0, &rnode, &rnode, 406 CTLFLAG_PERMANENT, CTLTYPE_NODE, dvname, 407 SYSCTL_DESCR("ath information and options"), 408 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 409 goto err; 410 411 return rnode; 412 err: 413 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 414 return NULL; 415 } 416 417 const struct sysctlnode * 418 ath_sysctl_treetop(struct sysctllog **log) 419 { 420 int rc; 421 const struct sysctlnode *rnode; 422 423 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 424 CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL, 425 NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) 426 goto err; 427 428 if ((rc = sysctl_createv(log, 0, &rnode, &rnode, 429 CTLFLAG_PERMANENT, CTLTYPE_NODE, "ath", 430 SYSCTL_DESCR("ath information and options"), 431 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 432 goto err; 433 434 return rnode; 435 err: 436 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 437 return NULL; 438 } 439 440 void 441 ath_sysctlattach(struct ath_softc *sc) 442 { 443 int rc; 444 struct sysctllog **log = &sc->sc_sysctllog; 445 const struct sysctlnode *cnode, *rnode; 446 447 ath_hal_getcountrycode(sc->sc_ah, &sc->sc_countrycode); 448 (void)ath_hal_getregdomain(sc->sc_ah, &sc->sc_regdomain); 449 sc->sc_debug = ath_debug; 450 sc->sc_txintrperiod = ATH_TXINTR_PERIOD; 451 452 if ((rnode = ath_sysctl_instance(device_xname(sc->sc_dev), log)) == NULL) 453 return; 454 455 if ((rc = SYSCTL_INT(0, countrycode, "EEPROM country code")) != 0) 456 goto err; 457 458 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, debug, 459 "control debugging printfs")) != 0) 460 goto err; 461 462 #if 0 463 /* channel dwell time (ms) for AP/station scanning */ 464 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, dwell, 465 "Channel dwell time (ms) for scanning")) != 0) 466 goto err; 467 #endif 468 469 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, slottime, 470 "802.11 slot time (us)")) != 0) 471 goto err; 472 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, acktimeout, 473 "802.11 ACK timeout (us)")) != 0) 474 goto err; 475 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, ctstimeout, 476 "802.11 CTS timeout (us)")) != 0) 477 goto err; 478 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, softled, 479 "enable/disable software LED support")) != 0) 480 goto err; 481 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledpin, 482 "GPIO pin connected to LED")) != 0) 483 goto err; 484 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledon, 485 "setting to turn LED on")) != 0) 486 goto err; 487 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledidle, 488 "idle time for inactivity LED (ticks)")) != 0) 489 goto err; 490 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txantenna, 491 "tx antenna (0=auto)")) != 0) 492 goto err; 493 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rxantenna, 494 "default/rx antenna")) != 0) 495 goto err; 496 if (ath_hal_hasdiversity(sc->sc_ah)) { 497 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diversity, 498 "antenna diversity")) != 0) 499 goto err; 500 } 501 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txintrperiod, 502 "tx descriptor batching")) != 0) 503 goto err; 504 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diag, 505 "h/w diagnostic control")) != 0) 506 goto err; 507 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpscale, 508 "tx power scaling")) != 0) 509 goto err; 510 if (ath_hal_hastpc(sc->sc_ah)) { 511 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpc, 512 "enable/disable per-packet TPC")) != 0) 513 goto err; 514 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpack, 515 "tx power for ack frames")) != 0) 516 goto err; 517 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpcts, 518 "tx power for cts frames")) != 0) 519 goto err; 520 } 521 if (ath_hal_hasrfsilent(sc->sc_ah)) { 522 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rfsilent, 523 "h/w RF silent config")) != 0) 524 goto err; 525 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rfkill, 526 "enable/disable RF kill switch")) != 0) 527 goto err; 528 } 529 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, regdomain, 530 "EEPROM regdomain code")) != 0) 531 goto err; 532 return; 533 err: 534 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 535 } 536