1 /* $NetBSD: ath_netbsd.c,v 1.21 2011/07/17 20:54:51 joerg 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 1.21 2011/07/17 20:54:51 joerg 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 <sys/endian.h> 45 #include <sys/device.h> 46 #include <sys/module.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 /* 61 * Setup sysctl(3) MIB, hw.ath.*. 62 * 63 * TBD condition CTLFLAG_PERMANENT on being a module or not 64 */ 65 SYSCTL_SETUP(sysctl_ath, "sysctl ath subtree setup") 66 { 67 int rc; 68 const struct sysctlnode *cnode, *rnode; 69 70 if ((rnode = ath_sysctl_treetop(clog)) == NULL) 71 return; 72 73 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "dwell", 74 "channel dwell time (ms) for AP/station scanning", 75 dwelltime)) != 0) 76 goto err; 77 78 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "calibrate", 79 "chip calibration interval (secs)", calinterval)) != 0) 80 goto err; 81 82 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "outdoor", 83 "outdoor operation", outdoor)) != 0) 84 goto err; 85 86 /* country code */ 87 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, 88 "countrycode", "country code", countrycode)) != 0) 89 goto err; 90 91 /* regulatory domain */ 92 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "regdomain", 93 "EEPROM regdomain code", regdomain)) != 0) 94 goto err; 95 96 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "debug", 97 "control debugging printfs", debug)) != 0) 98 goto err; 99 100 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READONLY, "rxbuf", 101 "rx buffers allocated", rxbuf)) != 0) 102 goto err; 103 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READONLY, "txbuf", 104 "tx buffers allocated", txbuf)) != 0) 105 goto err; 106 107 return; 108 err: 109 printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc); 110 } 111 112 static int 113 ath_sysctl_slottime(SYSCTLFN_ARGS) 114 { 115 struct ath_softc *sc; 116 struct sysctlnode node; 117 u_int slottime; 118 int error; 119 120 node = *rnode; 121 sc = (struct ath_softc *)node.sysctl_data; 122 slottime = ath_hal_getslottime(sc->sc_ah); 123 node.sysctl_data = &slottime; 124 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 125 if (error || newp == NULL) 126 return error; 127 return !ath_hal_setslottime(sc->sc_ah, slottime) ? EINVAL : 0; 128 } 129 130 static int 131 ath_sysctl_acktimeout(SYSCTLFN_ARGS) 132 { 133 struct ath_softc *sc; 134 struct sysctlnode node; 135 u_int acktimeout; 136 int error; 137 138 node = *rnode; 139 sc = (struct ath_softc *)node.sysctl_data; 140 acktimeout = ath_hal_getacktimeout(sc->sc_ah); 141 node.sysctl_data = &acktimeout; 142 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 143 if (error || newp == NULL) 144 return error; 145 return !ath_hal_setacktimeout(sc->sc_ah, acktimeout) ? EINVAL : 0; 146 } 147 148 static int 149 ath_sysctl_ctstimeout(SYSCTLFN_ARGS) 150 { 151 struct ath_softc *sc; 152 struct sysctlnode node; 153 u_int ctstimeout; 154 int error; 155 156 node = *rnode; 157 sc = (struct ath_softc *)node.sysctl_data; 158 ctstimeout = ath_hal_getctstimeout(sc->sc_ah); 159 node.sysctl_data = &ctstimeout; 160 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 161 if (error || newp == NULL) 162 return error; 163 return !ath_hal_setctstimeout(sc->sc_ah, ctstimeout) ? EINVAL : 0; 164 } 165 166 static int 167 ath_sysctl_softled(SYSCTLFN_ARGS) 168 { 169 struct ath_softc *sc; 170 struct sysctlnode node; 171 int softled; 172 int error; 173 174 node = *rnode; 175 sc = (struct ath_softc *)node.sysctl_data; 176 softled = sc->sc_softled; 177 node.sysctl_data = &softled; 178 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 179 if (error || newp == NULL) 180 return error; 181 softled = (softled != 0); 182 if (softled != sc->sc_softled) { 183 if (softled) { 184 /* NB: handle any sc_ledpin change */ 185 ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_ledpin, 186 HAL_GPIO_MUX_MAC_NETWORK_LED); 187 ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin, 188 !sc->sc_ledon); 189 } 190 sc->sc_softled = softled; 191 } 192 return 0; 193 } 194 195 static int 196 ath_sysctl_rxantenna(SYSCTLFN_ARGS) 197 { 198 struct ath_softc *sc; 199 struct sysctlnode node; 200 u_int defantenna; 201 int error; 202 203 node = *rnode; 204 sc = (struct ath_softc *)node.sysctl_data; 205 defantenna = ath_hal_getdefantenna(sc->sc_ah); 206 node.sysctl_data = &defantenna; 207 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 208 if (error || newp == NULL) 209 return error; 210 ath_hal_setdefantenna(sc->sc_ah, defantenna); 211 return 0; 212 } 213 214 static int 215 ath_sysctl_diversity(SYSCTLFN_ARGS) 216 { 217 struct ath_softc *sc; 218 struct sysctlnode node; 219 u_int diversity; 220 int error; 221 222 node = *rnode; 223 sc = (struct ath_softc *)node.sysctl_data; 224 diversity = sc->sc_diversity; 225 node.sysctl_data = &diversity; 226 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 227 if (error || newp == NULL) 228 return error; 229 if (!ath_hal_setdiversity(sc->sc_ah, diversity)) 230 return EINVAL; 231 sc->sc_diversity = diversity; 232 return 0; 233 } 234 235 static int 236 ath_sysctl_diag(SYSCTLFN_ARGS) 237 { 238 struct ath_softc *sc; 239 struct sysctlnode node; 240 u_int32_t diag; 241 int error; 242 243 node = *rnode; 244 sc = (struct ath_softc *)node.sysctl_data; 245 if (!ath_hal_getdiag(sc->sc_ah, &diag)) 246 return EINVAL; 247 node.sysctl_data = &diag; 248 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 249 if (error || newp == NULL) 250 return error; 251 return !ath_hal_setdiag(sc->sc_ah, diag) ? EINVAL : 0; 252 } 253 254 static int 255 ath_sysctl_tpscale(SYSCTLFN_ARGS) 256 { 257 struct ath_softc *sc; 258 struct sysctlnode node; 259 u_int32_t scale; 260 int error; 261 262 node = *rnode; 263 sc = (struct ath_softc *)node.sysctl_data; 264 (void)ath_hal_gettpscale(sc->sc_ah, &scale); 265 node.sysctl_data = &scale; 266 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 267 if (error || newp == NULL) 268 return error; 269 return !ath_hal_settpscale(sc->sc_ah, scale) 270 ? EINVAL 271 : ath_reset(&sc->sc_if); 272 } 273 274 static int 275 ath_sysctl_tpc(SYSCTLFN_ARGS) 276 { 277 struct ath_softc *sc; 278 struct sysctlnode node; 279 u_int tpc; 280 int error; 281 282 node = *rnode; 283 sc = (struct ath_softc *)node.sysctl_data; 284 tpc = ath_hal_gettpc(sc->sc_ah); 285 node.sysctl_data = &tpc; 286 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 287 if (error || newp == NULL) 288 return error; 289 return !ath_hal_settpc(sc->sc_ah, tpc) ? EINVAL : 0; 290 } 291 292 static int 293 ath_sysctl_rfkill(SYSCTLFN_ARGS) 294 { 295 struct ath_softc *sc; 296 struct sysctlnode node; 297 u_int rfkill; 298 int error; 299 300 node = *rnode; 301 sc = (struct ath_softc *)node.sysctl_data; 302 rfkill = ath_hal_getrfkill(sc->sc_ah); 303 node.sysctl_data = &rfkill; 304 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 305 if (error || newp == NULL) 306 return error; 307 return !ath_hal_setrfkill(sc->sc_ah, rfkill) ? EINVAL : 0; 308 } 309 310 static int 311 ath_sysctl_rfsilent(SYSCTLFN_ARGS) 312 { 313 struct ath_softc *sc; 314 struct sysctlnode node; 315 u_int rfsilent; 316 int error; 317 318 node = *rnode; 319 sc = (struct ath_softc *)node.sysctl_data; 320 (void)ath_hal_getrfsilent(sc->sc_ah, &rfsilent); 321 node.sysctl_data = &rfsilent; 322 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 323 if (error || newp == NULL) 324 return error; 325 return !ath_hal_setrfsilent(sc->sc_ah, rfsilent) ? EINVAL : 0; 326 } 327 328 static int 329 ath_sysctl_regdomain(SYSCTLFN_ARGS) 330 { 331 struct ath_softc *sc; 332 struct sysctlnode node; 333 u_int32_t rd; 334 int error; 335 336 node = *rnode; 337 sc = (struct ath_softc *)node.sysctl_data; 338 if (!ath_hal_getregdomain(sc->sc_ah, &rd)) 339 return EINVAL; 340 node.sysctl_data = &rd; 341 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 342 if (error || newp == NULL) 343 return error; 344 return !ath_hal_setregdomain(sc->sc_ah, rd) ? EINVAL : 0; 345 } 346 347 static int 348 ath_sysctl_tpack(SYSCTLFN_ARGS) 349 { 350 struct ath_softc *sc; 351 struct sysctlnode node; 352 u_int32_t tpack; 353 int error; 354 355 node = *rnode; 356 sc = (struct ath_softc *)node.sysctl_data; 357 (void)ath_hal_gettpack(sc->sc_ah, &tpack); 358 node.sysctl_data = &tpack; 359 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 360 if (error || newp == NULL) 361 return error; 362 return !ath_hal_settpack(sc->sc_ah, tpack) ? EINVAL : 0; 363 } 364 365 static int 366 ath_sysctl_tpcts(SYSCTLFN_ARGS) 367 { 368 struct ath_softc *sc; 369 struct sysctlnode node; 370 u_int32_t tpcts; 371 int error; 372 373 node = *rnode; 374 sc = (struct ath_softc *)node.sysctl_data; 375 (void)ath_hal_gettpcts(sc->sc_ah, &tpcts); 376 node.sysctl_data = &tpcts; 377 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 378 if (error || newp == NULL) 379 return error; 380 return !ath_hal_settpcts(sc->sc_ah, tpcts) ? EINVAL : 0; 381 } 382 383 const struct sysctlnode * 384 ath_sysctl_instance(const char *dvname, struct sysctllog **log) 385 { 386 int rc; 387 const struct sysctlnode *rnode; 388 389 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 390 CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL, 391 NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) 392 goto err; 393 394 if ((rc = sysctl_createv(log, 0, &rnode, &rnode, 395 CTLFLAG_PERMANENT, CTLTYPE_NODE, dvname, 396 SYSCTL_DESCR("ath information and options"), 397 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 398 goto err; 399 400 return rnode; 401 err: 402 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 403 return NULL; 404 } 405 406 const struct sysctlnode * 407 ath_sysctl_treetop(struct sysctllog **log) 408 { 409 int rc; 410 const struct sysctlnode *rnode; 411 412 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 413 CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL, 414 NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) 415 goto err; 416 417 if ((rc = sysctl_createv(log, 0, &rnode, &rnode, 418 CTLFLAG_PERMANENT, CTLTYPE_NODE, "ath", 419 SYSCTL_DESCR("ath information and options"), 420 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 421 goto err; 422 423 return rnode; 424 err: 425 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 426 return NULL; 427 } 428 429 void 430 ath_sysctlattach(struct ath_softc *sc) 431 { 432 int rc; 433 struct sysctllog **log = &sc->sc_sysctllog; 434 const struct sysctlnode *cnode, *rnode; 435 436 ath_hal_getcountrycode(sc->sc_ah, &sc->sc_countrycode); 437 (void)ath_hal_getregdomain(sc->sc_ah, &sc->sc_regdomain); 438 sc->sc_debug = ath_debug; 439 sc->sc_txintrperiod = ATH_TXINTR_PERIOD; 440 441 if ((rnode = ath_sysctl_instance(device_xname(sc->sc_dev), log)) == NULL) 442 return; 443 444 if ((rc = SYSCTL_INT(0, countrycode, "EEPROM country code")) != 0) 445 goto err; 446 447 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, debug, 448 "control debugging printfs")) != 0) 449 goto err; 450 451 #if 0 452 /* channel dwell time (ms) for AP/station scanning */ 453 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, dwell, 454 "Channel dwell time (ms) for scanning")) != 0) 455 goto err; 456 #endif 457 458 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, slottime, 459 "802.11 slot time (us)")) != 0) 460 goto err; 461 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, acktimeout, 462 "802.11 ACK timeout (us)")) != 0) 463 goto err; 464 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, ctstimeout, 465 "802.11 CTS timeout (us)")) != 0) 466 goto err; 467 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, softled, 468 "enable/disable software LED support")) != 0) 469 goto err; 470 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledpin, 471 "GPIO pin connected to LED")) != 0) 472 goto err; 473 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledon, 474 "setting to turn LED on")) != 0) 475 goto err; 476 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledidle, 477 "idle time for inactivity LED (ticks)")) != 0) 478 goto err; 479 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txantenna, 480 "tx antenna (0=auto)")) != 0) 481 goto err; 482 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rxantenna, 483 "default/rx antenna")) != 0) 484 goto err; 485 if (ath_hal_hasdiversity(sc->sc_ah)) { 486 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diversity, 487 "antenna diversity")) != 0) 488 goto err; 489 } 490 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txintrperiod, 491 "tx descriptor batching")) != 0) 492 goto err; 493 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diag, 494 "h/w diagnostic control")) != 0) 495 goto err; 496 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpscale, 497 "tx power scaling")) != 0) 498 goto err; 499 if (ath_hal_hastpc(sc->sc_ah)) { 500 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpc, 501 "enable/disable per-packet TPC")) != 0) 502 goto err; 503 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpack, 504 "tx power for ack frames")) != 0) 505 goto err; 506 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpcts, 507 "tx power for cts frames")) != 0) 508 goto err; 509 } 510 if (ath_hal_hasrfsilent(sc->sc_ah)) { 511 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rfsilent, 512 "h/w RF silent config")) != 0) 513 goto err; 514 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rfkill, 515 "enable/disable RF kill switch")) != 0) 516 goto err; 517 } 518 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, regdomain, 519 "EEPROM regdomain code")) != 0) 520 goto err; 521 return; 522 err: 523 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 524 } 525 526 MODULE(MODULE_CLASS_MISC, ath, "ath_hal"); 527 528 static int 529 ath_modcmd(modcmd_t cmd, void *opaque) 530 { 531 switch (cmd) { 532 case MODULE_CMD_INIT: 533 case MODULE_CMD_FINI: 534 return 0; 535 default: 536 return ENOTTY; 537 } 538 } 539