ath_netbsd.c revision 1.1
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 44#include <net/if.h> 45#include <net/if_dl.h> 46#include <net/if_media.h> 47#include <net/if_arp.h> 48#include <net/if_ether.h> 49#include <net/if_llc.h> 50 51#include <net80211/ieee80211_netbsd.h> 52#include <net80211/ieee80211_var.h> 53#include <dev/ic/ath_netbsd.h> 54#include <dev/ic/athvar.h> 55 56void 57device_printf(struct device dv, const char *fmt, ...) 58{ 59 va_list ap; 60 61 va_start(ap, fmt); 62 printf("%s: ", dv.dv_xname); 63 vprintf(fmt, ap); 64 va_end(ap); 65 return; 66} 67 68struct mbuf * 69m_defrag(struct mbuf *m0, int flags) 70{ 71 struct mbuf *m; 72 MGETHDR(m, flags, MT_DATA); 73 if (m == NULL) 74 return NULL; 75 76 M_COPY_PKTHDR(m, m0); 77 MCLGET(m, flags); 78 if ((m->m_flags & M_EXT) == 0) { 79 m_free(m); 80 return NULL; 81 } 82 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 83 m->m_len = m->m_pkthdr.len; 84 return m; 85} 86 87/* 88 * Setup sysctl(3) MIB, ath.*. 89 * 90 * TBD condition CTLFLAG_PERMANENT on being an LKM or not 91 */ 92SYSCTL_SETUP(sysctl_ath, "sysctl ath subtree setup") 93{ 94 int rc; 95 const struct sysctlnode *cnode, *rnode; 96 97 if ((rnode = ath_sysctl_treetop(clog)) == NULL) 98 return; 99 100 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "dwell", 101 "channel dwell time (ms) for AP/station scanning", 102 dwelltime)) != 0) 103 goto err; 104 105 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "calibrate", 106 "chip calibration interval (secs)", calinterval)) != 0) 107 goto err; 108 109 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "outdoor", 110 "outdoor operation", outdoor)) != 0) 111 goto err; 112 113 /* country code */ 114 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, 115 "countrycode", "country code", countrycode)) != 0) 116 goto err; 117 118 /* regulatory domain */ 119 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READONLY, "regdomain", 120 "regulatory domain", regdomain)) != 0) 121 goto err; 122 123 if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "debug", 124 "control debugging printfs", debug)) != 0) 125 goto err; 126 127 return; 128err: 129 printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc); 130} 131 132static int 133ath_sysctl_slottime(SYSCTLFN_ARGS) 134{ 135 struct ath_softc *sc; 136 struct sysctlnode node; 137 u_int slottime; 138 int error; 139 140 node = *rnode; 141 sc = (struct ath_softc *)node.sysctl_data; 142 slottime = ath_hal_getslottime(sc->sc_ah); 143 node.sysctl_data = &slottime; 144 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 145 if (error || newp == NULL) 146 return error; 147 return !ath_hal_setslottime(sc->sc_ah, slottime) ? EINVAL : 0; 148} 149 150static int 151ath_sysctl_acktimeout(SYSCTLFN_ARGS) 152{ 153 struct ath_softc *sc; 154 struct sysctlnode node; 155 u_int acktimeout; 156 int error; 157 158 node = *rnode; 159 sc = (struct ath_softc *)node.sysctl_data; 160 acktimeout = ath_hal_getacktimeout(sc->sc_ah); 161 node.sysctl_data = &acktimeout; 162 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 163 if (error || newp == NULL) 164 return error; 165 return !ath_hal_setacktimeout(sc->sc_ah, acktimeout) ? EINVAL : 0; 166} 167 168static int 169ath_sysctl_ctstimeout(SYSCTLFN_ARGS) 170{ 171 struct ath_softc *sc; 172 struct sysctlnode node; 173 u_int ctstimeout; 174 int error; 175 176 node = *rnode; 177 sc = (struct ath_softc *)node.sysctl_data; 178 ctstimeout = ath_hal_getctstimeout(sc->sc_ah); 179 node.sysctl_data = &ctstimeout; 180 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 181 if (error || newp == NULL) 182 return error; 183 return !ath_hal_setctstimeout(sc->sc_ah, ctstimeout) ? EINVAL : 0; 184} 185 186static int 187ath_sysctl_softled(SYSCTLFN_ARGS) 188{ 189 struct ath_softc *sc; 190 struct sysctlnode node; 191 int softled; 192 int error; 193 194 node = *rnode; 195 sc = (struct ath_softc *)node.sysctl_data; 196 softled = sc->sc_softled; 197 node.sysctl_data = &softled; 198 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 199 if (error || newp == NULL) 200 return error; 201 softled = (softled != 0); 202 if (softled != sc->sc_softled) { 203 if (softled) { 204 /* NB: handle any sc_ledpin change */ 205 ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_ledpin); 206 ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin, 207 !sc->sc_ledon); 208 } 209 sc->sc_softled = softled; 210 } 211 return 0; 212} 213 214static int 215ath_sysctl_rxantenna(SYSCTLFN_ARGS) 216{ 217 struct ath_softc *sc; 218 struct sysctlnode node; 219 u_int defantenna; 220 int error; 221 222 node = *rnode; 223 sc = (struct ath_softc *)node.sysctl_data; 224 defantenna = ath_hal_getdefantenna(sc->sc_ah); 225 node.sysctl_data = &defantenna; 226 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 227 if (error || newp == NULL) 228 return error; 229 ath_hal_setdefantenna(sc->sc_ah, defantenna); 230 return 0; 231} 232 233static int 234ath_sysctl_diversity(SYSCTLFN_ARGS) 235{ 236 struct ath_softc *sc; 237 struct sysctlnode node; 238 u_int diversity; 239 int error; 240 241 node = *rnode; 242 sc = (struct ath_softc *)node.sysctl_data; 243 diversity = sc->sc_diversity; 244 node.sysctl_data = &diversity; 245 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 246 if (error || newp == NULL) 247 return error; 248 if (!ath_hal_setdiversity(sc->sc_ah, diversity)) 249 return EINVAL; 250 sc->sc_diversity = diversity; 251 return 0; 252} 253 254static int 255ath_sysctl_diag(SYSCTLFN_ARGS) 256{ 257 struct ath_softc *sc; 258 struct sysctlnode node; 259 u_int32_t diag; 260 int error; 261 262 node = *rnode; 263 sc = (struct ath_softc *)node.sysctl_data; 264 if (!ath_hal_getdiag(sc->sc_ah, &diag)) 265 return EINVAL; 266 node.sysctl_data = &diag; 267 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 268 if (error || newp == NULL) 269 return error; 270 return !ath_hal_setdiag(sc->sc_ah, diag) ? EINVAL : 0; 271} 272 273static int 274ath_sysctl_tpscale(SYSCTLFN_ARGS) 275{ 276 struct ath_softc *sc; 277 struct sysctlnode node; 278 u_int32_t scale; 279 int error; 280 281 node = *rnode; 282 sc = (struct ath_softc *)node.sysctl_data; 283 ath_hal_gettpscale(sc->sc_ah, &scale); 284 node.sysctl_data = &scale; 285 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 286 if (error || newp == NULL) 287 return error; 288 return !ath_hal_settpscale(sc->sc_ah, scale) 289 ? EINVAL 290 : ath_reset(&sc->sc_if); 291} 292 293static int 294ath_sysctl_tpc(SYSCTLFN_ARGS) 295{ 296 struct ath_softc *sc; 297 struct sysctlnode node; 298 u_int tpc; 299 int error; 300 301 node = *rnode; 302 sc = (struct ath_softc *)node.sysctl_data; 303 tpc = ath_hal_gettpc(sc->sc_ah); 304 node.sysctl_data = &tpc; 305 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 306 if (error || newp == NULL) 307 return error; 308 return !ath_hal_settpc(sc->sc_ah, tpc) ? EINVAL : 0; 309} 310 311const struct sysctlnode * 312ath_sysctl_treetop(struct sysctllog **log) 313{ 314 int rc; 315 const struct sysctlnode *rnode; 316 317 if ((rc = sysctl_createv(log, 0, NULL, &rnode, 318 CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL, 319 NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) 320 goto err; 321 322 if ((rc = sysctl_createv(log, 0, &rnode, &rnode, 323 CTLFLAG_PERMANENT, CTLTYPE_NODE, "ath", 324 SYSCTL_DESCR("ath information and options"), 325 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 326 goto err; 327 328 return rnode; 329err: 330 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 331 return NULL; 332} 333 334void 335ath_sysctlattach(struct ath_softc *sc) 336{ 337 int rc; 338 struct sysctllog **log = &sc->sc_sysctllog; 339 const struct sysctlnode *cnode, *rnode; 340 341 ath_hal_getcountrycode(sc->sc_ah, &sc->sc_countrycode); 342 ath_hal_getregdomain(sc->sc_ah, &sc->sc_regdomain); 343 sc->sc_debug = ath_debug; 344 sc->sc_txintrperiod = ATH_TXINTR_PERIOD; 345 346 if ((rnode = ath_sysctl_treetop(NULL)) == NULL) 347 return; 348 349 if ((rc = SYSCTL_INT(0, countrycode, "EEPROM country code")) != 0) 350 goto err; 351 352 if ((rc = SYSCTL_INT(0, regdomain, "EEPROM regdomain code")) != 0) 353 goto err; 354 355 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, debug, 356 "control debugging printfs")) != 0) 357 goto err; 358 359#if 0 360 /* channel dwell time (ms) for AP/station scanning */ 361 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, dwell, 362 "Channel dwell time (ms) for scanning")) != 0) 363 goto err; 364#endif 365 366 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, slottime, 367 "802.11 slot time (us)")) != 0) 368 goto err; 369 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, acktimeout, 370 "802.11 ACK timeout (us)")) != 0) 371 goto err; 372 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, ctstimeout, 373 "802.11 CTS timeout (us)")) != 0) 374 goto err; 375 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, softled, 376 "enable/disable software LED support")) != 0) 377 goto err; 378 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledpin, 379 "GPIO pin connected to LED")) != 0) 380 goto err; 381 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledon, 382 "setting to turn LED on")) != 0) 383 goto err; 384 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledidle, 385 "idle time for inactivity LED (ticks)")) != 0) 386 goto err; 387 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txantenna, 388 "tx antenna (0=auto)")) != 0) 389 goto err; 390 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rxantenna, 391 "default/rx antenna")) != 0) 392 goto err; 393 if (sc->sc_hasdiversity) { 394 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diversity, 395 "antenna diversity")) != 0) 396 goto err; 397 } 398 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txintrperiod, 399 "tx descriptor batching")) != 0) 400 goto err; 401 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diag, 402 "h/w diagnostic control")) != 0) 403 goto err; 404 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpscale, 405 "tx power scaling")) != 0) 406 goto err; 407 if (sc->sc_hastpc) { 408 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpc, 409 "enable/disable per-packet TPC")) != 0) 410 goto err; 411 } 412 return; 413err: 414 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 415} 416