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