ath_netbsd.c revision 1.3
1/*- 2 * Copyright (c) 2003, 2004 David Young 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 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#include <sys/param.h> 28#include <sys/types.h> 29#include <sys/errno.h> 30#include <sys/systm.h> 31#include <sys/sysctl.h> 32#include <sys/mbuf.h> 33#include <sys/malloc.h> 34#include <sys/lock.h> 35#include <sys/kernel.h> 36#include <sys/socket.h> 37#include <sys/sockio.h> 38#include <sys/sysctl.h> 39#include <sys/callout.h> 40#include <machine/bus.h> 41#include <machine/stdarg.h> 42#include <sys/endian.h> 43#include <sys/device.h> 44 45#include <net/if.h> 46#include <net/if_dl.h> 47#include <net/if_media.h> 48#include <net/if_arp.h> 49#include <net/if_ether.h> 50#include <net/if_llc.h> 51 52#include <net80211/ieee80211_netbsd.h> 53#include <net80211/ieee80211_var.h> 54#include <dev/ic/ath_netbsd.h> 55#include <dev/ic/athvar.h> 56 57static const struct sysctlnode *ath_sysctl_instance(const char *, 58 struct sysctllog **); 59 60void 61device_printf(struct device dv, const char *fmt, ...) 62{ 63 va_list ap; 64 65 va_start(ap, fmt); 66 printf("%s: ", dv.dv_xname); 67 vprintf(fmt, ap); 68 va_end(ap); 69 return; 70} 71 72struct mbuf * 73m_defrag(struct mbuf *m0, int flags) 74{ 75 struct mbuf *m; 76 MGETHDR(m, flags, MT_DATA); 77 if (m == NULL) 78 return NULL; 79 80 M_COPY_PKTHDR(m, m0); 81 MCLGET(m, flags); 82 if ((m->m_flags & M_EXT) == 0) { 83 m_free(m); 84 return NULL; 85 } 86 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 87 m->m_len = m->m_pkthdr.len; 88 return m; 89} 90 91/* 92 * Setup sysctl(3) MIB, ath.*. 93 * 94 * TBD condition CTLFLAG_PERMANENT on being an LKM or not 95 */ 96SYSCTL_SETUP(sysctl_ath, "sysctl ath subtree setup") 97{ 98 int rc; 99 const struct sysctlnode *cnode, *rnode; 100 101 if ((rnode = ath_sysctl_treetop(clog)) == NULL) 102 return; 103 104 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "dwell", 105 "channel dwell time (ms) for AP/station scanning", 106 dwelltime)) != 0) 107 goto err; 108 109 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "calibrate", 110 "chip calibration interval (secs)", calinterval)) != 0) 111 goto err; 112 113 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "outdoor", 114 "outdoor operation", outdoor)) != 0) 115 goto err; 116 117 /* country code */ 118 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, 119 "countrycode", "country code", countrycode)) != 0) 120 goto err; 121 122 /* regulatory domain */ 123 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READONLY, "regdomain", 124 "regulatory domain", regdomain)) != 0) 125 goto err; 126 127 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "debug", 128 "control debugging printfs", debug)) != 0) 129 goto err; 130 131 return; 132err: 133 printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc); 134} 135 136static int 137ath_sysctl_slottime(SYSCTLFN_ARGS) 138{ 139 struct ath_softc *sc; 140 struct sysctlnode node; 141 u_int slottime; 142 int error; 143 144 node = *rnode; 145 sc = (struct ath_softc *)node.sysctl_data; 146 slottime = ath_hal_getslottime(sc->sc_ah); 147 node.sysctl_data = &slottime; 148 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 149 if (error || newp == NULL) 150 return error; 151 return !ath_hal_setslottime(sc->sc_ah, slottime) ? EINVAL : 0; 152} 153 154static int 155ath_sysctl_acktimeout(SYSCTLFN_ARGS) 156{ 157 struct ath_softc *sc; 158 struct sysctlnode node; 159 u_int acktimeout; 160 int error; 161 162 node = *rnode; 163 sc = (struct ath_softc *)node.sysctl_data; 164 acktimeout = ath_hal_getacktimeout(sc->sc_ah); 165 node.sysctl_data = &acktimeout; 166 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 167 if (error || newp == NULL) 168 return error; 169 return !ath_hal_setacktimeout(sc->sc_ah, acktimeout) ? EINVAL : 0; 170} 171 172static int 173ath_sysctl_ctstimeout(SYSCTLFN_ARGS) 174{ 175 struct ath_softc *sc; 176 struct sysctlnode node; 177 u_int ctstimeout; 178 int error; 179 180 node = *rnode; 181 sc = (struct ath_softc *)node.sysctl_data; 182 ctstimeout = ath_hal_getctstimeout(sc->sc_ah); 183 node.sysctl_data = &ctstimeout; 184 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 185 if (error || newp == NULL) 186 return error; 187 return !ath_hal_setctstimeout(sc->sc_ah, ctstimeout) ? EINVAL : 0; 188} 189 190static int 191ath_sysctl_softled(SYSCTLFN_ARGS) 192{ 193 struct ath_softc *sc; 194 struct sysctlnode node; 195 int softled; 196 int error; 197 198 node = *rnode; 199 sc = (struct ath_softc *)node.sysctl_data; 200 softled = sc->sc_softled; 201 node.sysctl_data = &softled; 202 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 203 if (error || newp == NULL) 204 return error; 205 softled = (softled != 0); 206 if (softled != sc->sc_softled) { 207 if (softled) { 208 /* NB: handle any sc_ledpin change */ 209 ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_ledpin); 210 ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin, 211 !sc->sc_ledon); 212 } 213 sc->sc_softled = softled; 214 } 215 return 0; 216} 217 218static int 219ath_sysctl_rxantenna(SYSCTLFN_ARGS) 220{ 221 struct ath_softc *sc; 222 struct sysctlnode node; 223 u_int defantenna; 224 int error; 225 226 node = *rnode; 227 sc = (struct ath_softc *)node.sysctl_data; 228 defantenna = ath_hal_getdefantenna(sc->sc_ah); 229 node.sysctl_data = &defantenna; 230 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 231 if (error || newp == NULL) 232 return error; 233 ath_hal_setdefantenna(sc->sc_ah, defantenna); 234 return 0; 235} 236 237static int 238ath_sysctl_diversity(SYSCTLFN_ARGS) 239{ 240 struct ath_softc *sc; 241 struct sysctlnode node; 242 u_int diversity; 243 int error; 244 245 node = *rnode; 246 sc = (struct ath_softc *)node.sysctl_data; 247 diversity = sc->sc_diversity; 248 node.sysctl_data = &diversity; 249 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 250 if (error || newp == NULL) 251 return error; 252 if (!ath_hal_setdiversity(sc->sc_ah, diversity)) 253 return EINVAL; 254 sc->sc_diversity = diversity; 255 return 0; 256} 257 258static int 259ath_sysctl_diag(SYSCTLFN_ARGS) 260{ 261 struct ath_softc *sc; 262 struct sysctlnode node; 263 u_int32_t diag; 264 int error; 265 266 node = *rnode; 267 sc = (struct ath_softc *)node.sysctl_data; 268 if (!ath_hal_getdiag(sc->sc_ah, &diag)) 269 return EINVAL; 270 node.sysctl_data = &diag; 271 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 272 if (error || newp == NULL) 273 return error; 274 return !ath_hal_setdiag(sc->sc_ah, diag) ? EINVAL : 0; 275} 276 277static int 278ath_sysctl_tpscale(SYSCTLFN_ARGS) 279{ 280 struct ath_softc *sc; 281 struct sysctlnode node; 282 u_int32_t scale; 283 int error; 284 285 node = *rnode; 286 sc = (struct ath_softc *)node.sysctl_data; 287 ath_hal_gettpscale(sc->sc_ah, &scale); 288 node.sysctl_data = &scale; 289 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 290 if (error || newp == NULL) 291 return error; 292 return !ath_hal_settpscale(sc->sc_ah, scale) 293 ? EINVAL 294 : ath_reset(&sc->sc_if); 295} 296 297static int 298ath_sysctl_tpc(SYSCTLFN_ARGS) 299{ 300 struct ath_softc *sc; 301 struct sysctlnode node; 302 u_int tpc; 303 int error; 304 305 node = *rnode; 306 sc = (struct ath_softc *)node.sysctl_data; 307 tpc = ath_hal_gettpc(sc->sc_ah); 308 node.sysctl_data = &tpc; 309 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 310 if (error || newp == NULL) 311 return error; 312 return !ath_hal_settpc(sc->sc_ah, tpc) ? EINVAL : 0; 313} 314 315static const struct sysctlnode * 316ath_sysctl_instance(const char *dvname, struct sysctllog **log) 317{ 318 int rc; 319 const struct sysctlnode *rnode; 320 321 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 322 CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL, 323 NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) 324 goto err; 325 326 if ((rc = sysctl_createv(log, 0, &rnode, &rnode, 327 CTLFLAG_PERMANENT, CTLTYPE_NODE, dvname, 328 SYSCTL_DESCR("ath information and options"), 329 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 330 goto err; 331 332 return rnode; 333err: 334 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 335 return NULL; 336} 337 338const struct sysctlnode * 339ath_sysctl_treetop(struct sysctllog **log) 340{ 341 int rc; 342 const struct sysctlnode *rnode; 343 344 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 345 CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL, 346 NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) 347 goto err; 348 349 if ((rc = sysctl_createv(log, 0, &rnode, &rnode, 350 CTLFLAG_PERMANENT, CTLTYPE_NODE, "ath", 351 SYSCTL_DESCR("ath information and options"), 352 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 353 goto err; 354 355 return rnode; 356err: 357 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 358 return NULL; 359} 360 361void 362ath_sysctlattach(struct ath_softc *sc) 363{ 364 int rc; 365 struct sysctllog **log = &sc->sc_sysctllog; 366 const struct sysctlnode *cnode, *rnode; 367 368 ath_hal_getcountrycode(sc->sc_ah, &sc->sc_countrycode); 369 ath_hal_getregdomain(sc->sc_ah, &sc->sc_regdomain); 370 sc->sc_debug = ath_debug; 371 sc->sc_txintrperiod = ATH_TXINTR_PERIOD; 372 373 if ((rnode = ath_sysctl_instance(sc->sc_dev.dv_xname, log)) == NULL) 374 return; 375 376 if ((rc = SYSCTL_INT(0, countrycode, "EEPROM country code")) != 0) 377 goto err; 378 379 if ((rc = SYSCTL_INT(0, regdomain, "EEPROM regdomain code")) != 0) 380 goto err; 381 382 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, debug, 383 "control debugging printfs")) != 0) 384 goto err; 385 386#if 0 387 /* channel dwell time (ms) for AP/station scanning */ 388 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, dwell, 389 "Channel dwell time (ms) for scanning")) != 0) 390 goto err; 391#endif 392 393 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, slottime, 394 "802.11 slot time (us)")) != 0) 395 goto err; 396 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, acktimeout, 397 "802.11 ACK timeout (us)")) != 0) 398 goto err; 399 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, ctstimeout, 400 "802.11 CTS timeout (us)")) != 0) 401 goto err; 402 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, softled, 403 "enable/disable software LED support")) != 0) 404 goto err; 405 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledpin, 406 "GPIO pin connected to LED")) != 0) 407 goto err; 408 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledon, 409 "setting to turn LED on")) != 0) 410 goto err; 411 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledidle, 412 "idle time for inactivity LED (ticks)")) != 0) 413 goto err; 414 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txantenna, 415 "tx antenna (0=auto)")) != 0) 416 goto err; 417 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rxantenna, 418 "default/rx antenna")) != 0) 419 goto err; 420 if (sc->sc_hasdiversity) { 421 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diversity, 422 "antenna diversity")) != 0) 423 goto err; 424 } 425 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txintrperiod, 426 "tx descriptor batching")) != 0) 427 goto err; 428 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diag, 429 "h/w diagnostic control")) != 0) 430 goto err; 431 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpscale, 432 "tx power scaling")) != 0) 433 goto err; 434 if (sc->sc_hastpc) { 435 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpc, 436 "enable/disable per-packet TPC")) != 0) 437 goto err; 438 } 439 return; 440err: 441 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 442} 443