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
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_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;
330 err:
331 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc);
332 return NULL;
333 }
334
335 void
336 ath_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;
414 err:
415 printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc);
416 }
417