ath_netbsd.c revision 1.2
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 57void 58device_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 69struct mbuf * 70m_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 */ 93SYSCTL_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; 129err: 130 printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc); 131} 132 133static int 134ath_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 151static int 152ath_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 169static int 170ath_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 187static int 188ath_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 215static int 216ath_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 234static int 235ath_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 255static int 256ath_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 274static int 275ath_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 294static int 295ath_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 312const struct sysctlnode * 313ath_sysctl_treetop(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, "ath", 325 SYSCTL_DESCR("ath information and options"), 326 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 327 goto err; 328 329 return rnode; 330err: 331 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 332 return NULL; 333} 334 335void 336ath_sysctlattach(struct ath_softc *sc) 337{ 338 int rc; 339 struct sysctllog **log = &sc->sc_sysctllog; 340 const struct sysctlnode *cnode, *rnode; 341 342 ath_hal_getcountrycode(sc->sc_ah, &sc->sc_countrycode); 343 ath_hal_getregdomain(sc->sc_ah, &sc->sc_regdomain); 344 sc->sc_debug = ath_debug; 345 sc->sc_txintrperiod = ATH_TXINTR_PERIOD; 346 347 if ((rnode = ath_sysctl_treetop(NULL)) == NULL) 348 return; 349 350 if ((rc = SYSCTL_INT(0, countrycode, "EEPROM country code")) != 0) 351 goto err; 352 353 if ((rc = SYSCTL_INT(0, regdomain, "EEPROM regdomain code")) != 0) 354 goto err; 355 356 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, debug, 357 "control debugging printfs")) != 0) 358 goto err; 359 360#if 0 361 /* channel dwell time (ms) for AP/station scanning */ 362 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, dwell, 363 "Channel dwell time (ms) for scanning")) != 0) 364 goto err; 365#endif 366 367 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, slottime, 368 "802.11 slot time (us)")) != 0) 369 goto err; 370 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, acktimeout, 371 "802.11 ACK timeout (us)")) != 0) 372 goto err; 373 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, ctstimeout, 374 "802.11 CTS timeout (us)")) != 0) 375 goto err; 376 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, softled, 377 "enable/disable software LED support")) != 0) 378 goto err; 379 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledpin, 380 "GPIO pin connected to LED")) != 0) 381 goto err; 382 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledon, 383 "setting to turn LED on")) != 0) 384 goto err; 385 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledidle, 386 "idle time for inactivity LED (ticks)")) != 0) 387 goto err; 388 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txantenna, 389 "tx antenna (0=auto)")) != 0) 390 goto err; 391 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rxantenna, 392 "default/rx antenna")) != 0) 393 goto err; 394 if (sc->sc_hasdiversity) { 395 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diversity, 396 "antenna diversity")) != 0) 397 goto err; 398 } 399 if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txintrperiod, 400 "tx descriptor batching")) != 0) 401 goto err; 402 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diag, 403 "h/w diagnostic control")) != 0) 404 goto err; 405 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpscale, 406 "tx power scaling")) != 0) 407 goto err; 408 if (sc->sc_hastpc) { 409 if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpc, 410 "enable/disable per-packet TPC")) != 0) 411 goto err; 412 } 413 return; 414err: 415 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc); 416} 417