1/* $NetBSD: ath_netbsd.c,v 1.23 2022/09/25 18:43:32 thorpej 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 1.23 2022/09/25 18:43:32 thorpej 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/kernel.h> 38#include <sys/socket.h> 39#include <sys/sockio.h> 40#include <sys/sysctl.h> 41#include <sys/callout.h> 42#include <sys/bus.h> 43#include <sys/endian.h> 44#include <sys/device.h> 45#include <sys/module.h> 46 47#include <net/if.h> 48#include <net/if_dl.h> 49#include <net/if_media.h> 50#include <net/if_arp.h> 51#include <net/if_ether.h> 52#include <net/if_llc.h> 53 54#include <net80211/ieee80211_netbsd.h> 55#include <net80211/ieee80211_var.h> 56#include <dev/ic/ath_netbsd.h> 57#include <dev/ic/athvar.h> 58 59/* 60 * Setup sysctl(3) MIB, hw.ath.*. 61 * 62 * TBD condition CTLFLAG_PERMANENT on being a module or not 63 */ 64SYSCTL_SETUP(sysctl_ath, "sysctl ath subtree setup") 65{ 66 int rc; 67 const struct sysctlnode *cnode, *rnode; 68 69 if ((rnode = ath_sysctl_treetop(clog)) == NULL) 70 return; 71 72 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "dwell", 73 "channel dwell time (ms) for AP/station scanning", 74 dwelltime)) != 0) 75 goto err; 76 77 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "calibrate", 78 "chip calibration interval (secs)", calinterval)) != 0) 79 goto err; 80 81 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "outdoor", 82 "outdoor operation", outdoor)) != 0) 83 goto err; 84 85 /* country code */ 86 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, 87 "countrycode", "country code", countrycode)) != 0) 88 goto err; 89 90 /* regulatory domain */ 91 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "regdomain", 92 "EEPROM regdomain code", regdomain)) != 0) 93 goto err; 94 95 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "debug", 96 "control debugging printfs", debug)) != 0) 97 goto err; 98 99 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READONLY, "rxbuf", 100 "rx buffers allocated", rxbuf)) != 0) 101 goto err; 102 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READONLY, "txbuf", 103 "tx buffers allocated", txbuf)) != 0) 104 goto err; 105 106 return; 107err: 108 printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc); 109} 110 111static int 112ath_sysctl_slottime(SYSCTLFN_ARGS) 113{ 114 struct ath_softc *sc; 115 struct sysctlnode node; 116 u_int slottime; 117 int error; 118 119 node = *rnode; 120 sc = (struct ath_softc *)node.sysctl_data; 121 slottime = ath_hal_getslottime(sc->sc_ah); 122 node.sysctl_data = &slottime; 123 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 124 if (error || newp == NULL) 125 return error; 126 return !ath_hal_setslottime(sc->sc_ah, slottime) ? EINVAL : 0; 127} 128 129static int 130ath_sysctl_acktimeout(SYSCTLFN_ARGS) 131{ 132 struct ath_softc *sc; 133 struct sysctlnode node; 134 u_int acktimeout; 135 int error; 136 137 node = *rnode; 138 sc = (struct ath_softc *)node.sysctl_data; 139 acktimeout = ath_hal_getacktimeout(sc->sc_ah); 140 node.sysctl_data = &acktimeout; 141 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 142 if (error || newp == NULL) 143 return error; 144 return !ath_hal_setacktimeout(sc->sc_ah, acktimeout) ? EINVAL : 0; 145} 146 147static int 148ath_sysctl_ctstimeout(SYSCTLFN_ARGS) 149{ 150 struct ath_softc *sc; 151 struct sysctlnode node; 152 u_int ctstimeout; 153 int error; 154 155 node = *rnode; 156 sc = (struct ath_softc *)node.sysctl_data; 157 ctstimeout = ath_hal_getctstimeout(sc->sc_ah); 158 node.sysctl_data = &ctstimeout; 159 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 160 if (error || newp == NULL) 161 return error; 162 return !ath_hal_setctstimeout(sc->sc_ah, ctstimeout) ? EINVAL : 0; 163} 164 165static int 166ath_sysctl_softled(SYSCTLFN_ARGS) 167{ 168 struct ath_softc *sc; 169 struct sysctlnode node; 170 int softled; 171 int error; 172 173 node = *rnode; 174 sc = (struct ath_softc *)node.sysctl_data; 175 softled = sc->sc_softled; 176 node.sysctl_data = &softled; 177 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 178 if (error || newp == NULL) 179 return error; 180 softled = (softled != 0); 181 if (softled != sc->sc_softled) { 182 if (softled) { 183 /* NB: handle any sc_ledpin change */ 184 ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_ledpin, 185 HAL_GPIO_MUX_MAC_NETWORK_LED); 186 ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin, 187 !sc->sc_ledon); 188 } 189 sc->sc_softled = softled; 190 } 191 return 0; 192} 193 194static int 195ath_sysctl_rxantenna(SYSCTLFN_ARGS) 196{ 197 struct ath_softc *sc; 198 struct sysctlnode node; 199 u_int defantenna; 200 int error; 201 202 node = *rnode; 203 sc = (struct ath_softc *)node.sysctl_data; 204 defantenna = ath_hal_getdefantenna(sc->sc_ah); 205 node.sysctl_data = &defantenna; 206 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 207 if (error || newp == NULL) 208 return error; 209 ath_hal_setdefantenna(sc->sc_ah, defantenna); 210 return 0; 211} 212 213static int 214ath_sysctl_diversity(SYSCTLFN_ARGS) 215{ 216 struct ath_softc *sc; 217 struct sysctlnode node; 218 u_int diversity; 219 int error; 220 221 node = *rnode; 222 sc = (struct ath_softc *)node.sysctl_data; 223 diversity = sc->sc_diversity; 224 node.sysctl_data = &diversity; 225 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 226 if (error || newp == NULL) 227 return error; 228 if (!ath_hal_setdiversity(sc->sc_ah, diversity)) 229 return EINVAL; 230 sc->sc_diversity = diversity; 231 return 0; 232} 233 234static int 235ath_sysctl_diag(SYSCTLFN_ARGS) 236{ 237 struct ath_softc *sc; 238 struct sysctlnode node; 239 u_int32_t diag; 240 int error; 241 242 node = *rnode; 243 sc = (struct ath_softc *)node.sysctl_data; 244 if (!ath_hal_getdiag(sc->sc_ah, &diag)) 245 return EINVAL; 246 node.sysctl_data = &diag; 247 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 248 if (error || newp == NULL) 249 return error; 250 return !ath_hal_setdiag(sc->sc_ah, diag) ? EINVAL : 0; 251} 252 253static int 254ath_sysctl_tpscale(SYSCTLFN_ARGS) 255{ 256 struct ath_softc *sc; 257 struct sysctlnode node; 258 u_int32_t scale; 259 int error; 260 261 node = *rnode; 262 sc = (struct ath_softc *)node.sysctl_data; 263 (void)ath_hal_gettpscale(sc->sc_ah, &scale); 264 node.sysctl_data = &scale; 265 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 266 if (error || newp == NULL) 267 return error; 268 return !ath_hal_settpscale(sc->sc_ah, scale) 269 ? EINVAL 270 : ath_reset(&sc->sc_if); 271} 272 273static int 274ath_sysctl_tpc(SYSCTLFN_ARGS) 275{ 276 struct ath_softc *sc; 277 struct sysctlnode node; 278 u_int tpc; 279 int error; 280 281 node = *rnode; 282 sc = (struct ath_softc *)node.sysctl_data; 283 tpc = ath_hal_gettpc(sc->sc_ah); 284 node.sysctl_data = &tpc; 285 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 286 if (error || newp == NULL) 287 return error; 288 return !ath_hal_settpc(sc->sc_ah, tpc) ? EINVAL : 0; 289} 290 291static int 292ath_sysctl_rfkill(SYSCTLFN_ARGS) 293{ 294 struct ath_softc *sc; 295 struct sysctlnode node; 296 u_int rfkill; 297 int error; 298 299 node = *rnode; 300 sc = (struct ath_softc *)node.sysctl_data; 301 rfkill = ath_hal_getrfkill(sc->sc_ah); 302 node.sysctl_data = &rfkill; 303 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 304 if (error || newp == NULL) 305 return error; 306 return !ath_hal_setrfkill(sc->sc_ah, rfkill) ? EINVAL : 0; 307} 308 309static int 310ath_sysctl_rfsilent(SYSCTLFN_ARGS) 311{ 312 struct ath_softc *sc; 313 struct sysctlnode node; 314 u_int rfsilent; 315 int error; 316 317 node = *rnode; 318 sc = (struct ath_softc *)node.sysctl_data; 319 (void)ath_hal_getrfsilent(sc->sc_ah, &rfsilent); 320 node.sysctl_data = &rfsilent; 321 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 322 if (error || newp == NULL) 323 return error; 324 return !ath_hal_setrfsilent(sc->sc_ah, rfsilent) ? EINVAL : 0; 325} 326 327static int 328ath_sysctl_regdomain(SYSCTLFN_ARGS) 329{ 330 struct ath_softc *sc; 331 struct sysctlnode node; 332 u_int32_t rd; 333 int error; 334 335 node = *rnode; 336 sc = (struct ath_softc *)node.sysctl_data; 337 if (!ath_hal_getregdomain(sc->sc_ah, &rd)) 338 return EINVAL; 339 node.sysctl_data = &rd; 340 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 341 if (error || newp == NULL) 342 return error; 343 return !ath_hal_setregdomain(sc->sc_ah, rd) ? EINVAL : 0; 344} 345 346static int 347ath_sysctl_tpack(SYSCTLFN_ARGS) 348{ 349 struct ath_softc *sc; 350 struct sysctlnode node; 351 u_int32_t tpack; 352 int error; 353 354 node = *rnode; 355 sc = (struct ath_softc *)node.sysctl_data; 356 (void)ath_hal_gettpack(sc->sc_ah, &tpack); 357 node.sysctl_data = &tpack; 358 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 359 if (error || newp == NULL) 360 return error; 361 return !ath_hal_settpack(sc->sc_ah, tpack) ? EINVAL : 0; 362} 363 364static int 365ath_sysctl_tpcts(SYSCTLFN_ARGS) 366{ 367 struct ath_softc *sc; 368 struct sysctlnode node; 369 u_int32_t tpcts; 370 int error; 371 372 node = *rnode; 373 sc = (struct ath_softc *)node.sysctl_data; 374 (void)ath_hal_gettpcts(sc->sc_ah, &tpcts); 375 node.sysctl_data = &tpcts; 376 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 377 if (error || newp == NULL) 378 return error; 379 return !ath_hal_settpcts(sc->sc_ah, tpcts) ? EINVAL : 0; 380} 381 382const struct sysctlnode * 383ath_sysctl_instance(const char *dvname, struct sysctllog **log) 384{ 385 int rc; 386 const struct sysctlnode *rnode; 387 388 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 389 CTLFLAG_PERMANENT, CTLTYPE_NODE, dvname, 390 SYSCTL_DESCR("ath information and options"), 391 NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) 392 goto err; 393 394 return rnode; 395err: 396 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 397 return NULL; 398} 399 400const struct sysctlnode * 401ath_sysctl_treetop(struct sysctllog **log) 402{ 403 int rc; 404 const struct sysctlnode *rnode; 405 406 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 407 CTLFLAG_PERMANENT, CTLTYPE_NODE, "ath", 408 SYSCTL_DESCR("ath information and options"), 409 NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) 410 goto err; 411 412 return rnode; 413err: 414 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 415 return NULL; 416} 417 418void 419ath_sysctlattach(struct ath_softc *sc) 420{ 421 int rc; 422 struct sysctllog **log = &sc->sc_sysctllog; 423 const struct sysctlnode *cnode, *rnode; 424 425 ath_hal_getcountrycode(sc->sc_ah, &sc->sc_countrycode); 426 (void)ath_hal_getregdomain(sc->sc_ah, &sc->sc_regdomain); 427 sc->sc_debug = ath_debug; 428 sc->sc_txintrperiod = ATH_TXINTR_PERIOD; 429 430 if ((rnode = ath_sysctl_instance(device_xname(sc->sc_dev), log)) == NULL) 431 return; 432 433 if ((rc = SYSCTL_INT(0, countrycode, "EEPROM country code")) != 0) 434 goto err; 435 436 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, debug, 437 "control debugging printfs")) != 0) 438 goto err; 439 440#if 0 441 /* channel dwell time (ms) for AP/station scanning */ 442 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, dwell, 443 "Channel dwell time (ms) for scanning")) != 0) 444 goto err; 445#endif 446 447 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, slottime, 448 "802.11 slot time (us)")) != 0) 449 goto err; 450 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, acktimeout, 451 "802.11 ACK timeout (us)")) != 0) 452 goto err; 453 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, ctstimeout, 454 "802.11 CTS timeout (us)")) != 0) 455 goto err; 456 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, softled, 457 "enable/disable software LED support")) != 0) 458 goto err; 459 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledpin, 460 "GPIO pin connected to LED")) != 0) 461 goto err; 462 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledon, 463 "setting to turn LED on")) != 0) 464 goto err; 465 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledidle, 466 "idle time for inactivity LED (ticks)")) != 0) 467 goto err; 468 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txantenna, 469 "tx antenna (0=auto)")) != 0) 470 goto err; 471 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rxantenna, 472 "default/rx antenna")) != 0) 473 goto err; 474 if (ath_hal_hasdiversity(sc->sc_ah)) { 475 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diversity, 476 "antenna diversity")) != 0) 477 goto err; 478 } 479 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txintrperiod, 480 "tx descriptor batching")) != 0) 481 goto err; 482 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diag, 483 "h/w diagnostic control")) != 0) 484 goto err; 485 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpscale, 486 "tx power scaling")) != 0) 487 goto err; 488 if (ath_hal_hastpc(sc->sc_ah)) { 489 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpc, 490 "enable/disable per-packet TPC")) != 0) 491 goto err; 492 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpack, 493 "tx power for ack frames")) != 0) 494 goto err; 495 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpcts, 496 "tx power for cts frames")) != 0) 497 goto err; 498 } 499 if (ath_hal_hasrfsilent(sc->sc_ah)) { 500 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rfsilent, 501 "h/w RF silent config")) != 0) 502 goto err; 503 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rfkill, 504 "enable/disable RF kill switch")) != 0) 505 goto err; 506 } 507 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, regdomain, 508 "EEPROM regdomain code")) != 0) 509 goto err; 510 return; 511err: 512 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 513} 514 515MODULE(MODULE_CLASS_MISC, ath, "ath_hal"); 516 517static int 518ath_modcmd(modcmd_t cmd, void *opaque) 519{ 520 switch (cmd) { 521 case MODULE_CMD_INIT: 522 case MODULE_CMD_FINI: 523 return 0; 524 default: 525 return ENOTTY; 526 } 527} 528