ath_netbsd.c revision 1.8
1/* $NetBSD: ath_netbsd.c,v 1.8 2006/05/11 22:26:54 mrg 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 1.8 2006/05/11 22:26:54 mrg 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/lock.h> 41#include <sys/kernel.h> 42#include <sys/socket.h> 43#include <sys/sockio.h> 44#include <sys/sysctl.h> 45#include <sys/callout.h> 46#include <machine/bus.h> 47#include <machine/stdarg.h> 48#include <sys/endian.h> 49#include <sys/device.h> 50 51#include <net/if.h> 52#include <net/if_dl.h> 53#include <net/if_media.h> 54#include <net/if_arp.h> 55#include <net/if_ether.h> 56#include <net/if_llc.h> 57 58#include <net80211/ieee80211_netbsd.h> 59#include <net80211/ieee80211_var.h> 60#include <dev/ic/ath_netbsd.h> 61#include <dev/ic/athvar.h> 62 63void 64device_printf(struct device dv, const char *fmt, ...) 65{ 66 va_list ap; 67 68 va_start(ap, fmt); 69 printf("%s: ", dv.dv_xname); 70 vprintf(fmt, ap); 71 va_end(ap); 72 return; 73} 74 75struct mbuf * 76m_defrag(struct mbuf *m0, int flags) 77{ 78 struct mbuf *m; 79 MGETHDR(m, flags, MT_DATA); 80 if (m == NULL) 81 return NULL; 82 83 M_COPY_PKTHDR(m, m0); 84 MCLGET(m, flags); 85 if ((m->m_flags & M_EXT) == 0) { 86 m_free(m); 87 return NULL; 88 } 89 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 90 m->m_len = m->m_pkthdr.len; 91 return m; 92} 93 94/* 95 * Setup sysctl(3) MIB, hw.ath.*. 96 * 97 * TBD condition CTLFLAG_PERMANENT on being an LKM or not 98 */ 99SYSCTL_SETUP(sysctl_ath, "sysctl ath subtree setup") 100{ 101 int rc; 102 const struct sysctlnode *cnode, *rnode; 103 104 if ((rnode = ath_sysctl_treetop(clog)) == NULL) 105 return; 106 107 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "dwell", 108 "channel dwell time (ms) for AP/station scanning", 109 dwelltime)) != 0) 110 goto err; 111 112 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "calibrate", 113 "chip calibration interval (secs)", calinterval)) != 0) 114 goto err; 115 116 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "outdoor", 117 "outdoor operation", outdoor)) != 0) 118 goto err; 119 120 /* country code */ 121 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, 122 "countrycode", "country code", countrycode)) != 0) 123 goto err; 124 125 /* regulatory domain */ 126 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "regdomain", 127 "EEPROM regdomain code", regdomain)) != 0) 128 goto err; 129 130 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "debug", 131 "control debugging printfs", debug)) != 0) 132 goto err; 133 134 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READONLY, "rxbuf", 135 "rx buffers allocated", rxbuf)) != 0) 136 goto err; 137 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READONLY, "txbuf", 138 "tx buffers allocated", txbuf)) != 0) 139 goto err; 140 141 return; 142err: 143 printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc); 144} 145 146static int 147ath_sysctl_slottime(SYSCTLFN_ARGS) 148{ 149 struct ath_softc *sc; 150 struct sysctlnode node; 151 u_int slottime; 152 int error; 153 154 node = *rnode; 155 sc = (struct ath_softc *)node.sysctl_data; 156 slottime = ath_hal_getslottime(sc->sc_ah); 157 node.sysctl_data = &slottime; 158 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 159 if (error || newp == NULL) 160 return error; 161 return !ath_hal_setslottime(sc->sc_ah, slottime) ? EINVAL : 0; 162} 163 164static int 165ath_sysctl_acktimeout(SYSCTLFN_ARGS) 166{ 167 struct ath_softc *sc; 168 struct sysctlnode node; 169 u_int acktimeout; 170 int error; 171 172 node = *rnode; 173 sc = (struct ath_softc *)node.sysctl_data; 174 acktimeout = ath_hal_getacktimeout(sc->sc_ah); 175 node.sysctl_data = &acktimeout; 176 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 177 if (error || newp == NULL) 178 return error; 179 return !ath_hal_setacktimeout(sc->sc_ah, acktimeout) ? EINVAL : 0; 180} 181 182static int 183ath_sysctl_ctstimeout(SYSCTLFN_ARGS) 184{ 185 struct ath_softc *sc; 186 struct sysctlnode node; 187 u_int ctstimeout; 188 int error; 189 190 node = *rnode; 191 sc = (struct ath_softc *)node.sysctl_data; 192 ctstimeout = ath_hal_getctstimeout(sc->sc_ah); 193 node.sysctl_data = &ctstimeout; 194 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 195 if (error || newp == NULL) 196 return error; 197 return !ath_hal_setctstimeout(sc->sc_ah, ctstimeout) ? EINVAL : 0; 198} 199 200static int 201ath_sysctl_softled(SYSCTLFN_ARGS) 202{ 203 struct ath_softc *sc; 204 struct sysctlnode node; 205 int softled; 206 int error; 207 208 node = *rnode; 209 sc = (struct ath_softc *)node.sysctl_data; 210 softled = sc->sc_softled; 211 node.sysctl_data = &softled; 212 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 213 if (error || newp == NULL) 214 return error; 215 softled = (softled != 0); 216 if (softled != sc->sc_softled) { 217 if (softled) { 218 /* NB: handle any sc_ledpin change */ 219 ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_ledpin); 220 ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin, 221 !sc->sc_ledon); 222 } 223 sc->sc_softled = softled; 224 } 225 return 0; 226} 227 228static int 229ath_sysctl_rxantenna(SYSCTLFN_ARGS) 230{ 231 struct ath_softc *sc; 232 struct sysctlnode node; 233 u_int defantenna; 234 int error; 235 236 node = *rnode; 237 sc = (struct ath_softc *)node.sysctl_data; 238 defantenna = ath_hal_getdefantenna(sc->sc_ah); 239 node.sysctl_data = &defantenna; 240 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 241 if (error || newp == NULL) 242 return error; 243 ath_hal_setdefantenna(sc->sc_ah, defantenna); 244 return 0; 245} 246 247static int 248ath_sysctl_diversity(SYSCTLFN_ARGS) 249{ 250 struct ath_softc *sc; 251 struct sysctlnode node; 252 u_int diversity; 253 int error; 254 255 node = *rnode; 256 sc = (struct ath_softc *)node.sysctl_data; 257 diversity = sc->sc_diversity; 258 node.sysctl_data = &diversity; 259 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 260 if (error || newp == NULL) 261 return error; 262 if (!ath_hal_setdiversity(sc->sc_ah, diversity)) 263 return EINVAL; 264 sc->sc_diversity = diversity; 265 return 0; 266} 267 268static int 269ath_sysctl_diag(SYSCTLFN_ARGS) 270{ 271 struct ath_softc *sc; 272 struct sysctlnode node; 273 u_int32_t diag; 274 int error; 275 276 node = *rnode; 277 sc = (struct ath_softc *)node.sysctl_data; 278 if (!ath_hal_getdiag(sc->sc_ah, &diag)) 279 return EINVAL; 280 node.sysctl_data = &diag; 281 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 282 if (error || newp == NULL) 283 return error; 284 return !ath_hal_setdiag(sc->sc_ah, diag) ? EINVAL : 0; 285} 286 287static int 288ath_sysctl_tpscale(SYSCTLFN_ARGS) 289{ 290 struct ath_softc *sc; 291 struct sysctlnode node; 292 u_int32_t scale; 293 int error; 294 295 node = *rnode; 296 sc = (struct ath_softc *)node.sysctl_data; 297 (void)ath_hal_gettpscale(sc->sc_ah, &scale); 298 node.sysctl_data = &scale; 299 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 300 if (error || newp == NULL) 301 return error; 302 return !ath_hal_settpscale(sc->sc_ah, scale) 303 ? EINVAL 304 : ath_reset(&sc->sc_if); 305} 306 307static int 308ath_sysctl_tpc(SYSCTLFN_ARGS) 309{ 310 struct ath_softc *sc; 311 struct sysctlnode node; 312 u_int tpc; 313 int error; 314 315 node = *rnode; 316 sc = (struct ath_softc *)node.sysctl_data; 317 tpc = ath_hal_gettpc(sc->sc_ah); 318 node.sysctl_data = &tpc; 319 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 320 if (error || newp == NULL) 321 return error; 322 return !ath_hal_settpc(sc->sc_ah, tpc) ? EINVAL : 0; 323} 324 325static int 326ath_sysctl_rfkill(SYSCTLFN_ARGS) 327{ 328 struct ath_softc *sc; 329 struct sysctlnode node; 330 u_int rfkill; 331 int error; 332 333 node = *rnode; 334 sc = (struct ath_softc *)node.sysctl_data; 335 rfkill = ath_hal_getrfkill(sc->sc_ah); 336 node.sysctl_data = &rfkill; 337 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 338 if (error || newp == NULL) 339 return error; 340 return !ath_hal_setrfkill(sc->sc_ah, rfkill) ? EINVAL : 0; 341} 342 343static int 344ath_sysctl_rfsilent(SYSCTLFN_ARGS) 345{ 346 struct ath_softc *sc; 347 struct sysctlnode node; 348 u_int rfsilent; 349 int error; 350 351 node = *rnode; 352 sc = (struct ath_softc *)node.sysctl_data; 353 (void)ath_hal_getrfsilent(sc->sc_ah, &rfsilent); 354 node.sysctl_data = &rfsilent; 355 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 356 if (error || newp == NULL) 357 return error; 358 return !ath_hal_setrfsilent(sc->sc_ah, rfsilent) ? EINVAL : 0; 359} 360 361static int 362ath_sysctl_regdomain(SYSCTLFN_ARGS) 363{ 364 struct ath_softc *sc; 365 struct sysctlnode node; 366 u_int32_t rd; 367 int error; 368 369 node = *rnode; 370 sc = (struct ath_softc *)node.sysctl_data; 371 if (!ath_hal_getregdomain(sc->sc_ah, &rd)) 372 return EINVAL; 373 node.sysctl_data = &rd; 374 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 375 if (error || newp == NULL) 376 return error; 377 return !ath_hal_setregdomain(sc->sc_ah, rd) ? EINVAL : 0; 378} 379 380static int 381ath_sysctl_tpack(SYSCTLFN_ARGS) 382{ 383 struct ath_softc *sc; 384 struct sysctlnode node; 385 u_int32_t tpack; 386 int error; 387 388 node = *rnode; 389 sc = (struct ath_softc *)node.sysctl_data; 390 (void)ath_hal_gettpack(sc->sc_ah, &tpack); 391 node.sysctl_data = &tpack; 392 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 393 if (error || newp == NULL) 394 return error; 395 return !ath_hal_settpack(sc->sc_ah, tpack) ? EINVAL : 0; 396} 397 398static int 399ath_sysctl_tpcts(SYSCTLFN_ARGS) 400{ 401 struct ath_softc *sc; 402 struct sysctlnode node; 403 u_int32_t tpcts; 404 int error; 405 406 node = *rnode; 407 sc = (struct ath_softc *)node.sysctl_data; 408 (void)ath_hal_gettpcts(sc->sc_ah, &tpcts); 409 node.sysctl_data = &tpcts; 410 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 411 if (error || newp == NULL) 412 return error; 413 return !ath_hal_settpcts(sc->sc_ah, tpcts) ? EINVAL : 0; 414} 415 416const struct sysctlnode * 417ath_sysctl_instance(const char *dvname, struct sysctllog **log) 418{ 419 int rc; 420 const struct sysctlnode *rnode; 421 422 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 423 CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL, 424 NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) 425 goto err; 426 427 if ((rc = sysctl_createv(log, 0, &rnode, &rnode, 428 CTLFLAG_PERMANENT, CTLTYPE_NODE, dvname, 429 SYSCTL_DESCR("ath information and options"), 430 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 431 goto err; 432 433 return rnode; 434err: 435 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 436 return NULL; 437} 438 439const struct sysctlnode * 440ath_sysctl_treetop(struct sysctllog **log) 441{ 442 int rc; 443 const struct sysctlnode *rnode; 444 445 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 446 CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL, 447 NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) 448 goto err; 449 450 if ((rc = sysctl_createv(log, 0, &rnode, &rnode, 451 CTLFLAG_PERMANENT, CTLTYPE_NODE, "ath", 452 SYSCTL_DESCR("ath information and options"), 453 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 454 goto err; 455 456 return rnode; 457err: 458 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 459 return NULL; 460} 461 462void 463ath_sysctlattach(struct ath_softc *sc) 464{ 465 int rc; 466 struct sysctllog **log = &sc->sc_sysctllog; 467 const struct sysctlnode *cnode, *rnode; 468 469 ath_hal_getcountrycode(sc->sc_ah, &sc->sc_countrycode); 470 (void)ath_hal_getregdomain(sc->sc_ah, &sc->sc_regdomain); 471 sc->sc_debug = ath_debug; 472 sc->sc_txintrperiod = ATH_TXINTR_PERIOD; 473 474 if ((rnode = ath_sysctl_instance(sc->sc_dev.dv_xname, log)) == NULL) 475 return; 476 477 if ((rc = SYSCTL_INT(0, countrycode, "EEPROM country code")) != 0) 478 goto err; 479 480 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, debug, 481 "control debugging printfs")) != 0) 482 goto err; 483 484#if 0 485 /* channel dwell time (ms) for AP/station scanning */ 486 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, dwell, 487 "Channel dwell time (ms) for scanning")) != 0) 488 goto err; 489#endif 490 491 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, slottime, 492 "802.11 slot time (us)")) != 0) 493 goto err; 494 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, acktimeout, 495 "802.11 ACK timeout (us)")) != 0) 496 goto err; 497 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, ctstimeout, 498 "802.11 CTS timeout (us)")) != 0) 499 goto err; 500 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, softled, 501 "enable/disable software LED support")) != 0) 502 goto err; 503 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledpin, 504 "GPIO pin connected to LED")) != 0) 505 goto err; 506 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledon, 507 "setting to turn LED on")) != 0) 508 goto err; 509 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledidle, 510 "idle time for inactivity LED (ticks)")) != 0) 511 goto err; 512 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txantenna, 513 "tx antenna (0=auto)")) != 0) 514 goto err; 515 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rxantenna, 516 "default/rx antenna")) != 0) 517 goto err; 518 if (ath_hal_hasdiversity(sc->sc_ah)) { 519 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diversity, 520 "antenna diversity")) != 0) 521 goto err; 522 } 523 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txintrperiod, 524 "tx descriptor batching")) != 0) 525 goto err; 526 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diag, 527 "h/w diagnostic control")) != 0) 528 goto err; 529 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpscale, 530 "tx power scaling")) != 0) 531 goto err; 532 if (ath_hal_hastpc(sc->sc_ah)) { 533 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpc, 534 "enable/disable per-packet TPC")) != 0) 535 goto err; 536 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpack, 537 "tx power for ack frames")) != 0) 538 goto err; 539 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpcts, 540 "tx power for cts frames")) != 0) 541 goto err; 542 } 543 if (ath_hal_hasrfsilent(sc->sc_ah)) { 544 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rfsilent, 545 "h/w RF silent config")) != 0) 546 goto err; 547 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rfkill, 548 "enable/disable RF kill switch")) != 0) 549 goto err; 550 } 551 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, regdomain, 552 "EEPROM regdomain code")) != 0) 553 goto err; 554 return; 555err: 556 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 557} 558