?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
brcm80211: fmac: add iscoreup function for bcm4330 chip
[linux-2.6/btrfs-unstable.git] / drivers / net / wireless / brcm80211 / brcmfmac / dhd_common.c
blob40928e58b6a615f01463e05a78d2decee9a04ecb
1 /*
2 * Copyright (c) 2010 Broadcom Corporation
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16 #include <linux/kernel.h>
17 #include <linux/string.h>
18 #include <linux/sched.h>
19 #include <linux/netdevice.h>
20 #include <asm/unaligned.h>
21 #include <defs.h>
22 #include <brcmu_wifi.h>
23 #include <brcmu_utils.h>
24 #include "dhd.h"
25 #include "dhd_bus.h"
26 #include "dhd_proto.h"
27 #include "dhd_dbg.h"
28
29 #define BRCM_OUI "\x00\x10\x18"
30 #define DOT11_OUI_LEN 3
31 #define BCMILCP_BCM_SUBTYPE_EVENT 1
32 #define PKTFILTER_BUF_SIZE 2048
33 #define BRCMF_ARPOL_MODE 0xb /* agent|snoop|peer_autoreply */
34
35 int brcmf_msg_level;
36
37 #define MSGTRACE_VERSION 1
38
39 #define BRCMF_PKT_FILTER_FIXED_LEN offsetof(struct brcmf_pkt_filter_le, u)
40 #define BRCMF_PKT_FILTER_PATTERN_FIXED_LEN \
41 offsetof(struct brcmf_pkt_filter_pattern_le, mask_and_pattern)
42
43 #ifdef BCMDBG
44 static const char brcmf_version[] =
45 "Dongle Host Driver, version " BRCMF_VERSION_STR "\nCompiled on "
46 __DATE__ " at " __TIME__;
47 #else
48 static const char brcmf_version[] =
49 "Dongle Host Driver, version " BRCMF_VERSION_STR;
50 #endif
51
52 /* Message trace header */
53 struct msgtrace_hdr {
54 u8 version;
55 u8 spare;
56 __be16 len; /* Len of the trace */
57 __be32 seqnum; /* Sequence number of message. Useful
58 * if the messsage has been lost
59 * because of DMA error or a bus reset
60 * (ex: SDIO Func2)
61 */
62 __be32 discarded_bytes; /* Number of discarded bytes because of
63 trace overflow */
64 __be32 discarded_printf; /* Number of discarded printf
65 because of trace overflow */
66 } __packed;
67
68
69 uint
70 brcmf_c_mkiovar(char *name, char *data, uint datalen, char *buf, uint buflen)
71 {
72 uint len;
73
74 len = strlen(name) + 1;
75
76 if ((len + datalen) > buflen)
77 return 0;
78
79 strncpy(buf, name, buflen);
80
81 /* append data onto the end of the name string */
82 memcpy(&buf[len], data, datalen);
83 len += datalen;
84
85 return len;
86 }
87
88 void brcmf_c_init(void)
89 {
90 /* Init global variables at run-time, not as part of the declaration.
91 * This is required to support init/de-init of the driver.
92 * Initialization
93 * of globals as part of the declaration results in non-deterministic
94 * behaviour since the value of the globals may be different on the
95 * first time that the driver is initialized vs subsequent
96 * initializations.
97 */
98 brcmf_msg_level = BRCMF_ERROR_VAL;
99 }
100
101 bool brcmf_c_prec_enq(struct brcmf_pub *drvr, struct pktq *q,
102 struct sk_buff *pkt, int prec)
103 {
104 struct sk_buff *p;
105 int eprec = -1; /* precedence to evict from */
106 bool discard_oldest;
107
108 /* Fast case, precedence queue is not full and we are also not
109 * exceeding total queue length
110 */
111 if (!pktq_pfull(q, prec) && !pktq_full(q)) {
112 brcmu_pktq_penq(q, prec, pkt);
113 return true;
114 }
115
116 /* Determine precedence from which to evict packet, if any */
117 if (pktq_pfull(q, prec))
118 eprec = prec;
119 else if (pktq_full(q)) {
120 p = brcmu_pktq_peek_tail(q, &eprec);
121 if (eprec > prec)
122 return false;
123 }
124
125 /* Evict if needed */
126 if (eprec >= 0) {
127 /* Detect queueing to unconfigured precedence */
128 discard_oldest = ac_bitmap_tst(drvr->wme_dp, eprec);
129 if (eprec == prec && !discard_oldest)
130 return false; /* refuse newer (incoming) packet */
131 /* Evict packet according to discard policy */
132 p = discard_oldest ? brcmu_pktq_pdeq(q, eprec) :
133 brcmu_pktq_pdeq_tail(q, eprec);
134 if (p == NULL)
135 brcmf_dbg(ERROR, "brcmu_pktq_penq() failed, oldest %d\n",
136 discard_oldest);
137
138 brcmu_pkt_buf_free_skb(p);
139 }
140
141 /* Enqueue */
142 p = brcmu_pktq_penq(q, prec, pkt);
143 if (p == NULL)
144 brcmf_dbg(ERROR, "brcmu_pktq_penq() failed\n");
145
146 return p != NULL;
147 }
148
149 #ifdef BCMDBG
150 static void
151 brcmf_c_show_host_event(struct brcmf_event_msg *event, void *event_data)
152 {
153 uint i, status, reason;
154 bool group = false, flush_txq = false, link = false;
155 char *auth_str, *event_name;
156 unsigned char *buf;
157 char err_msg[256], eabuf[ETHER_ADDR_STR_LEN];
158 static struct {
159 uint event;
160 char *event_name;
161 } event_names[] = {
162 {
163 BRCMF_E_SET_SSID, "SET_SSID"}, {
164 BRCMF_E_JOIN, "JOIN"}, {
165 BRCMF_E_START, "START"}, {
166 BRCMF_E_AUTH, "AUTH"}, {
167 BRCMF_E_AUTH_IND, "AUTH_IND"}, {
168 BRCMF_E_DEAUTH, "DEAUTH"}, {
169 BRCMF_E_DEAUTH_IND, "DEAUTH_IND"}, {
170 BRCMF_E_ASSOC, "ASSOC"}, {
171 BRCMF_E_ASSOC_IND, "ASSOC_IND"}, {
172 BRCMF_E_REASSOC, "REASSOC"}, {
173 BRCMF_E_REASSOC_IND, "REASSOC_IND"}, {
174 BRCMF_E_DISASSOC, "DISASSOC"}, {
175 BRCMF_E_DISASSOC_IND, "DISASSOC_IND"}, {
176 BRCMF_E_QUIET_START, "START_QUIET"}, {
177 BRCMF_E_QUIET_END, "END_QUIET"}, {
178 BRCMF_E_BEACON_RX, "BEACON_RX"}, {
179 BRCMF_E_LINK, "LINK"}, {
180 BRCMF_E_MIC_ERROR, "MIC_ERROR"}, {
181 BRCMF_E_NDIS_LINK, "NDIS_LINK"}, {
182 BRCMF_E_ROAM, "ROAM"}, {
183 BRCMF_E_TXFAIL, "TXFAIL"}, {
184 BRCMF_E_PMKID_CACHE, "PMKID_CACHE"}, {
185 BRCMF_E_RETROGRADE_TSF, "RETROGRADE_TSF"}, {
186 BRCMF_E_PRUNE, "PRUNE"}, {
187 BRCMF_E_AUTOAUTH, "AUTOAUTH"}, {
188 BRCMF_E_EAPOL_MSG, "EAPOL_MSG"}, {
189 BRCMF_E_SCAN_COMPLETE, "SCAN_COMPLETE"}, {
190 BRCMF_E_ADDTS_IND, "ADDTS_IND"}, {
191 BRCMF_E_DELTS_IND, "DELTS_IND"}, {
192 BRCMF_E_BCNSENT_IND, "BCNSENT_IND"}, {
193 BRCMF_E_BCNRX_MSG, "BCNRX_MSG"}, {
194 BRCMF_E_BCNLOST_MSG, "BCNLOST_MSG"}, {
195 BRCMF_E_ROAM_PREP, "ROAM_PREP"}, {
196 BRCMF_E_PFN_NET_FOUND, "PNO_NET_FOUND"}, {
197 BRCMF_E_PFN_NET_LOST, "PNO_NET_LOST"}, {
198 BRCMF_E_RESET_COMPLETE, "RESET_COMPLETE"}, {
199 BRCMF_E_JOIN_START, "JOIN_START"}, {
200 BRCMF_E_ROAM_START, "ROAM_START"}, {
201 BRCMF_E_ASSOC_START, "ASSOC_START"}, {
202 BRCMF_E_IBSS_ASSOC, "IBSS_ASSOC"}, {
203 BRCMF_E_RADIO, "RADIO"}, {
204 BRCMF_E_PSM_WATCHDOG, "PSM_WATCHDOG"}, {
205 BRCMF_E_PROBREQ_MSG, "PROBREQ_MSG"}, {
206 BRCMF_E_SCAN_CONFIRM_IND, "SCAN_CONFIRM_IND"}, {
207 BRCMF_E_PSK_SUP, "PSK_SUP"}, {
208 BRCMF_E_COUNTRY_CODE_CHANGED, "COUNTRY_CODE_CHANGED"}, {
209 BRCMF_E_EXCEEDED_MEDIUM_TIME, "EXCEEDED_MEDIUM_TIME"}, {
210 BRCMF_E_ICV_ERROR, "ICV_ERROR"}, {
211 BRCMF_E_UNICAST_DECODE_ERROR, "UNICAST_DECODE_ERROR"}, {
212 BRCMF_E_MULTICAST_DECODE_ERROR, "MULTICAST_DECODE_ERROR"}, {
213 BRCMF_E_TRACE, "TRACE"}, {
214 BRCMF_E_ACTION_FRAME, "ACTION FRAME"}, {
215 BRCMF_E_ACTION_FRAME_COMPLETE, "ACTION FRAME TX COMPLETE"}, {
216 BRCMF_E_IF, "IF"}, {
217 BRCMF_E_RSSI, "RSSI"}, {
218 BRCMF_E_PFN_SCAN_COMPLETE, "SCAN_COMPLETE"}
219 };
220 uint event_type, flags, auth_type, datalen;
221 static u32 seqnum_prev;
222 struct msgtrace_hdr hdr;
223 u32 nblost;
224 char *s, *p;
225
226 event_type = be32_to_cpu(event->event_type);
227 flags = be16_to_cpu(event->flags);
228 status = be32_to_cpu(event->status);
229 reason = be32_to_cpu(event->reason);
230 auth_type = be32_to_cpu(event->auth_type);
231 datalen = be32_to_cpu(event->datalen);
232 /* debug dump of event messages */
233 sprintf(eabuf, "%pM", event->addr);
234
235 event_name = "UNKNOWN";
236 for (i = 0; i < ARRAY_SIZE(event_names); i++) {
237 if (event_names[i].event == event_type)
238 event_name = event_names[i].event_name;
239 }
240
241 brcmf_dbg(EVENT, "EVENT: %s, event ID = %d\n", event_name, event_type);
242 brcmf_dbg(EVENT, "flags 0x%04x, status %d, reason %d, auth_type %d MAC %s\n",
243 flags, status, reason, auth_type, eabuf);
244
245 if (flags & BRCMF_EVENT_MSG_LINK)
246 link = true;
247 if (flags & BRCMF_EVENT_MSG_GROUP)
248 group = true;
249 if (flags & BRCMF_EVENT_MSG_FLUSHTXQ)
250 flush_txq = true;
251
252 switch (event_type) {
253 case BRCMF_E_START:
254 case BRCMF_E_DEAUTH:
255 case BRCMF_E_DISASSOC:
256 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n", event_name, eabuf);
257 break;
258
259 case BRCMF_E_ASSOC_IND:
260 case BRCMF_E_REASSOC_IND:
261 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n", event_name, eabuf);
262 break;
263
264 case BRCMF_E_ASSOC:
265 case BRCMF_E_REASSOC:
266 if (status == BRCMF_E_STATUS_SUCCESS)
267 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, SUCCESS\n",
268 event_name, eabuf);
269 else if (status == BRCMF_E_STATUS_TIMEOUT)
270 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, TIMEOUT\n",
271 event_name, eabuf);
272 else if (status == BRCMF_E_STATUS_FAIL)
273 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, FAILURE, reason %d\n",
274 event_name, eabuf, (int)reason);
275 else
276 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, unexpected status %d\n",
277 event_name, eabuf, (int)status);
278 break;
279
280 case BRCMF_E_DEAUTH_IND:
281 case BRCMF_E_DISASSOC_IND:
282 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, reason %d\n",
283 event_name, eabuf, (int)reason);
284 break;
285
286 case BRCMF_E_AUTH:
287 case BRCMF_E_AUTH_IND:
288 if (auth_type == WLAN_AUTH_OPEN)
289 auth_str = "Open System";
290 else if (auth_type == WLAN_AUTH_SHARED_KEY)
291 auth_str = "Shared Key";
292 else {
293 sprintf(err_msg, "AUTH unknown: %d", (int)auth_type);
294 auth_str = err_msg;
295 }
296 if (event_type == BRCMF_E_AUTH_IND)
297 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s\n",
298 event_name, eabuf, auth_str);
299 else if (status == BRCMF_E_STATUS_SUCCESS)
300 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s, SUCCESS\n",
301 event_name, eabuf, auth_str);
302 else if (status == BRCMF_E_STATUS_TIMEOUT)
303 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s, TIMEOUT\n",
304 event_name, eabuf, auth_str);
305 else if (status == BRCMF_E_STATUS_FAIL) {
306 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s, FAILURE, reason %d\n",
307 event_name, eabuf, auth_str, (int)reason);
308 }
309
310 break;
311
312 case BRCMF_E_JOIN:
313 case BRCMF_E_ROAM:
314 case BRCMF_E_SET_SSID:
315 if (status == BRCMF_E_STATUS_SUCCESS)
316 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n",
317 event_name, eabuf);
318 else if (status == BRCMF_E_STATUS_FAIL)
319 brcmf_dbg(EVENT, "MACEVENT: %s, failed\n", event_name);
320 else if (status == BRCMF_E_STATUS_NO_NETWORKS)
321 brcmf_dbg(EVENT, "MACEVENT: %s, no networks found\n",
322 event_name);
323 else
324 brcmf_dbg(EVENT, "MACEVENT: %s, unexpected status %d\n",
325 event_name, (int)status);
326 break;
327
328 case BRCMF_E_BEACON_RX:
329 if (status == BRCMF_E_STATUS_SUCCESS)
330 brcmf_dbg(EVENT, "MACEVENT: %s, SUCCESS\n", event_name);
331 else if (status == BRCMF_E_STATUS_FAIL)
332 brcmf_dbg(EVENT, "MACEVENT: %s, FAIL\n", event_name);
333 else
334 brcmf_dbg(EVENT, "MACEVENT: %s, status %d\n",
335 event_name, status);
336 break;
337
338 case BRCMF_E_LINK:
339 brcmf_dbg(EVENT, "MACEVENT: %s %s\n",
340 event_name, link ? "UP" : "DOWN");
341 break;
342
343 case BRCMF_E_MIC_ERROR:
344 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, Group %d, Flush %d\n",
345 event_name, eabuf, group, flush_txq);
346 break;
347
348 case BRCMF_E_ICV_ERROR:
349 case BRCMF_E_UNICAST_DECODE_ERROR:
350 case BRCMF_E_MULTICAST_DECODE_ERROR:
351 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n", event_name, eabuf);
352 break;
353
354 case BRCMF_E_TXFAIL:
355 brcmf_dbg(EVENT, "MACEVENT: %s, RA %s\n", event_name, eabuf);
356 break;
357
358 case BRCMF_E_SCAN_COMPLETE:
359 case BRCMF_E_PMKID_CACHE:
360 brcmf_dbg(EVENT, "MACEVENT: %s\n", event_name);
361 break;
362
363 case BRCMF_E_PFN_NET_FOUND:
364 case BRCMF_E_PFN_NET_LOST:
365 case BRCMF_E_PFN_SCAN_COMPLETE:
366 brcmf_dbg(EVENT, "PNOEVENT: %s\n", event_name);
367 break;
368
369 case BRCMF_E_PSK_SUP:
370 case BRCMF_E_PRUNE:
371 brcmf_dbg(EVENT, "MACEVENT: %s, status %d, reason %d\n",
372 event_name, (int)status, (int)reason);
373 break;
374
375 case BRCMF_E_TRACE:
376 buf = (unsigned char *) event_data;
377 memcpy(&hdr, buf, sizeof(struct msgtrace_hdr));
378
379 if (hdr.version != MSGTRACE_VERSION) {
380 brcmf_dbg(ERROR,
381 "MACEVENT: %s [unsupported version --> brcmf"
382 " version:%d dongle version:%d]\n",
383 event_name, MSGTRACE_VERSION, hdr.version);
384 /* Reset datalen to avoid display below */
385 datalen = 0;
386 break;
387 }
388
389 /* There are 2 bytes available at the end of data */
390 *(buf + sizeof(struct msgtrace_hdr)
391 + be16_to_cpu(hdr.len)) = '\0';
392
393 if (be32_to_cpu(hdr.discarded_bytes)
394 || be32_to_cpu(hdr.discarded_printf))
395 brcmf_dbg(ERROR,
396 "WLC_E_TRACE: [Discarded traces in dongle -->"
397 " discarded_bytes %d discarded_printf %d]\n",
398 be32_to_cpu(hdr.discarded_bytes),
399 be32_to_cpu(hdr.discarded_printf));
400
401 nblost = be32_to_cpu(hdr.seqnum) - seqnum_prev - 1;
402 if (nblost > 0)
403 brcmf_dbg(ERROR, "WLC_E_TRACE: [Event lost --> seqnum "
404 " %d nblost %d\n", be32_to_cpu(hdr.seqnum),
405 nblost);
406 seqnum_prev = be32_to_cpu(hdr.seqnum);
407
408 /* Display the trace buffer. Advance from \n to \n to
409 * avoid display big
410 * printf (issue with Linux printk )
411 */
412 p = (char *)&buf[sizeof(struct msgtrace_hdr)];
413 while ((s = strstr(p, "\n")) != NULL) {
414 *s = '\0';
415 printk(KERN_DEBUG"%s\n", p);
416 p = s + 1;
417 }
418 printk(KERN_DEBUG "%s\n", p);
419
420 /* Reset datalen to avoid display below */
421 datalen = 0;
422 break;
423
424 case BRCMF_E_RSSI:
425 brcmf_dbg(EVENT, "MACEVENT: %s %d\n",
426 event_name, be32_to_cpu(*((__be32 *)event_data)));
427 break;
428
429 default:
430 brcmf_dbg(EVENT,
431 "MACEVENT: %s %d, MAC %s, status %d, reason %d, "
432 "auth %d\n", event_name, event_type, eabuf,
433 (int)status, (int)reason, (int)auth_type);
434 break;
435 }
436
437 /* show any appended data */
438 if (datalen) {
439 buf = (unsigned char *) event_data;
440 brcmf_dbg(EVENT, " data (%d) : ", datalen);
441 for (i = 0; i < datalen; i++)
442 brcmf_dbg(EVENT, " 0x%02x ", *buf++);
443 brcmf_dbg(EVENT, "\n");
444 }
445 }
446 #endif /* BCMDBG */
447
448 int
449 brcmf_c_host_event(struct brcmf_info *drvr_priv, int *ifidx, void *pktdata,
450 struct brcmf_event_msg *event, void **data_ptr)
451 {
452 /* check whether packet is a BRCM event pkt */
453 struct brcmf_event *pvt_data = (struct brcmf_event *) pktdata;
454 struct brcmf_if_event *ifevent;
455 char *event_data;
456 u32 type, status;
457 u16 flags;
458 int evlen;
459
460 if (memcmp(BRCM_OUI, &pvt_data->hdr.oui[0], DOT11_OUI_LEN)) {
461 brcmf_dbg(ERROR, "mismatched OUI, bailing\n");
462 return -EBADE;
463 }
464
465 /* BRCM event pkt may be unaligned - use xxx_ua to load user_subtype. */
466 if (get_unaligned_be16(&pvt_data->hdr.usr_subtype) !=
467 BCMILCP_BCM_SUBTYPE_EVENT) {
468 brcmf_dbg(ERROR, "mismatched subtype, bailing\n");
469 return -EBADE;
470 }
471
472 *data_ptr = &pvt_data[1];
473 event_data = *data_ptr;
474
475 /* memcpy since BRCM event pkt may be unaligned. */
476 memcpy(event, &pvt_data->msg, sizeof(struct brcmf_event_msg));
477
478 type = get_unaligned_be32(&event->event_type);
479 flags = get_unaligned_be16(&event->flags);
480 status = get_unaligned_be32(&event->status);
481 evlen = get_unaligned_be32(&event->datalen) +
482 sizeof(struct brcmf_event);
483
484 switch (type) {
485 case BRCMF_E_IF:
486 ifevent = (struct brcmf_if_event *) event_data;
487 brcmf_dbg(TRACE, "if event\n");
488
489 if (ifevent->ifidx > 0 && ifevent->ifidx < BRCMF_MAX_IFS) {
490 if (ifevent->action == BRCMF_E_IF_ADD)
491 brcmf_add_if(drvr_priv, ifevent->ifidx,
492 event->ifname,
493 pvt_data->eth.h_dest);
494 else
495 brcmf_del_if(drvr_priv, ifevent->ifidx);
496 } else {
497 brcmf_dbg(ERROR, "Invalid ifidx %d for %s\n",
498 ifevent->ifidx, event->ifname);
499 }
500
501 /* send up the if event: btamp user needs it */
502 *ifidx = brcmf_ifname2idx(drvr_priv, event->ifname);
503 break;
504
505 /* These are what external supplicant/authenticator wants */
506 case BRCMF_E_LINK:
507 case BRCMF_E_ASSOC_IND:
508 case BRCMF_E_REASSOC_IND:
509 case BRCMF_E_DISASSOC_IND:
510 case BRCMF_E_MIC_ERROR:
511 default:
512 /* Fall through: this should get _everything_ */
513
514 *ifidx = brcmf_ifname2idx(drvr_priv, event->ifname);
515 brcmf_dbg(TRACE, "MAC event %d, flags %x, status %x\n",
516 type, flags, status);
517
518 /* put it back to BRCMF_E_NDIS_LINK */
519 if (type == BRCMF_E_NDIS_LINK) {
520 u32 temp1;
521 __be32 temp2;
522
523 temp1 = get_unaligned_be32(&event->event_type);
524 brcmf_dbg(TRACE, "Converted to WLC_E_LINK type %d\n",
525 temp1);
526
527 temp2 = cpu_to_be32(BRCMF_E_NDIS_LINK);
528 memcpy((void *)(&pvt_data->msg.event_type), &temp2,
529 sizeof(pvt_data->msg.event_type));
530 }
531 break;
532 }
533
534 #ifdef BCMDBG
535 brcmf_c_show_host_event(event, event_data);
536 #endif /* BCMDBG */
537
538 return 0;
539 }
540
541 /* Convert user's input in hex pattern to byte-size mask */
542 static int brcmf_c_pattern_atoh(char *src, char *dst)
543 {
544 int i;
545 if (strncmp(src, "0x", 2) != 0 && strncmp(src, "0X", 2) != 0) {
546 brcmf_dbg(ERROR, "Mask invalid format. Needs to start with 0x\n");
547 return -EINVAL;
548 }
549 src = src + 2; /* Skip past 0x */
550 if (strlen(src) % 2 != 0) {
551 brcmf_dbg(ERROR, "Mask invalid format. Length must be even.\n");
552 return -EINVAL;
553 }
554 for (i = 0; *src != '\0'; i++) {
555 unsigned long res;
556 char num[3];
557 strncpy(num, src, 2);
558 num[2] = '\0';
559 if (kstrtoul(num, 16, &res))
560 return -EINVAL;
561 dst[i] = (u8)res;
562 src += 2;
563 }
564 return i;
565 }
566
567 void
568 brcmf_c_pktfilter_offload_enable(struct brcmf_pub *drvr, char *arg, int enable,
569 int master_mode)
570 {
571 unsigned long res;
572 char *argv[8];
573 int i = 0;
574 const char *str;
575 int buf_len;
576 int str_len;
577 char *arg_save = NULL, *arg_org = NULL;
578 int rc;
579 char buf[128];
580 struct brcmf_pkt_filter_enable_le enable_parm;
581 struct brcmf_pkt_filter_enable_le *pkt_filterp;
582 __le32 mmode_le;
583
584 arg_save = kmalloc(strlen(arg) + 1, GFP_ATOMIC);
585 if (!arg_save)
586 goto fail;
587
588 arg_org = arg_save;
589 memcpy(arg_save, arg, strlen(arg) + 1);
590
591 argv[i] = strsep(&arg_save, " ");
592
593 i = 0;
594 if (NULL == argv[i]) {
595 brcmf_dbg(ERROR, "No args provided\n");
596 goto fail;
597 }
598
599 str = "pkt_filter_enable";
600 str_len = strlen(str);
601 strncpy(buf, str, str_len);
602 buf[str_len] = '\0';
603 buf_len = str_len + 1;
604
605 pkt_filterp = (struct brcmf_pkt_filter_enable_le *) (buf + str_len + 1);
606
607 /* Parse packet filter id. */
608 enable_parm.id = 0;
609 if (!kstrtoul(argv[i], 0, &res))
610 enable_parm.id = cpu_to_le32((u32)res);
611
612 /* Parse enable/disable value. */
613 enable_parm.enable = cpu_to_le32(enable);
614
615 buf_len += sizeof(enable_parm);
616 memcpy((char *)pkt_filterp, &enable_parm, sizeof(enable_parm));
617
618 /* Enable/disable the specified filter. */
619 rc = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, buf, buf_len);
620 rc = rc >= 0 ? 0 : rc;
621 if (rc)
622 brcmf_dbg(TRACE, "failed to add pktfilter %s, retcode = %d\n",
623 arg, rc);
624 else
625 brcmf_dbg(TRACE, "successfully added pktfilter %s\n", arg);
626
627 /* Contorl the master mode */
628 mmode_le = cpu_to_le32(master_mode);
629 brcmf_c_mkiovar("pkt_filter_mode", (char *)&mmode_le, 4, buf,
630 sizeof(buf));
631 rc = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, buf,
632 sizeof(buf));
633 rc = rc >= 0 ? 0 : rc;
634 if (rc)
635 brcmf_dbg(TRACE, "failed to add pktfilter %s, retcode = %d\n",
636 arg, rc);
637
638 fail:
639 kfree(arg_org);
640 }
641
642 void brcmf_c_pktfilter_offload_set(struct brcmf_pub *drvr, char *arg)
643 {
644 const char *str;
645 struct brcmf_pkt_filter_le pkt_filter;
646 struct brcmf_pkt_filter_le *pkt_filterp;
647 unsigned long res;
648 int buf_len;
649 int str_len;
650 int rc;
651 u32 mask_size;
652 u32 pattern_size;
653 char *argv[8], *buf = NULL;
654 int i = 0;
655 char *arg_save = NULL, *arg_org = NULL;
656
657 arg_save = kstrdup(arg, GFP_ATOMIC);
658 if (!arg_save)
659 goto fail;
660
661 arg_org = arg_save;
662
663 buf = kmalloc(PKTFILTER_BUF_SIZE, GFP_ATOMIC);
664 if (!buf)
665 goto fail;
666
667 argv[i] = strsep(&arg_save, " ");
668 while (argv[i++])
669 argv[i] = strsep(&arg_save, " ");
670
671 i = 0;
672 if (NULL == argv[i]) {
673 brcmf_dbg(ERROR, "No args provided\n");
674 goto fail;
675 }
676
677 str = "pkt_filter_add";
678 strcpy(buf, str);
679 str_len = strlen(str);
680 buf_len = str_len + 1;
681
682 pkt_filterp = (struct brcmf_pkt_filter_le *) (buf + str_len + 1);
683
684 /* Parse packet filter id. */
685 pkt_filter.id = 0;
686 if (!kstrtoul(argv[i], 0, &res))
687 pkt_filter.id = cpu_to_le32((u32)res);
688
689 if (NULL == argv[++i]) {
690 brcmf_dbg(ERROR, "Polarity not provided\n");
691 goto fail;
692 }
693
694 /* Parse filter polarity. */
695 pkt_filter.negate_match = 0;
696 if (!kstrtoul(argv[i], 0, &res))
697 pkt_filter.negate_match = cpu_to_le32((u32)res);
698
699 if (NULL == argv[++i]) {
700 brcmf_dbg(ERROR, "Filter type not provided\n");
701 goto fail;
702 }
703
704 /* Parse filter type. */
705 pkt_filter.type = 0;
706 if (!kstrtoul(argv[i], 0, &res))
707 pkt_filter.type = cpu_to_le32((u32)res);
708
709 if (NULL == argv[++i]) {
710 brcmf_dbg(ERROR, "Offset not provided\n");
711 goto fail;
712 }
713
714 /* Parse pattern filter offset. */
715 pkt_filter.u.pattern.offset = 0;
716 if (!kstrtoul(argv[i], 0, &res))
717 pkt_filter.u.pattern.offset = cpu_to_le32((u32)res);
718
719 if (NULL == argv[++i]) {
720 brcmf_dbg(ERROR, "Bitmask not provided\n");
721 goto fail;
722 }
723
724 /* Parse pattern filter mask. */
725 mask_size =
726 brcmf_c_pattern_atoh
727 (argv[i], (char *)pkt_filterp->u.pattern.mask_and_pattern);
728
729 if (NULL == argv[++i]) {
730 brcmf_dbg(ERROR, "Pattern not provided\n");
731 goto fail;
732 }
733
734 /* Parse pattern filter pattern. */
735 pattern_size =
736 brcmf_c_pattern_atoh(argv[i],
737 (char *)&pkt_filterp->u.pattern.
738 mask_and_pattern[mask_size]);
739
740 if (mask_size != pattern_size) {
741 brcmf_dbg(ERROR, "Mask and pattern not the same size\n");
742 goto fail;
743 }
744
745 pkt_filter.u.pattern.size_bytes = cpu_to_le32(mask_size);
746 buf_len += BRCMF_PKT_FILTER_FIXED_LEN;
747 buf_len += (BRCMF_PKT_FILTER_PATTERN_FIXED_LEN + 2 * mask_size);
748
749 /* Keep-alive attributes are set in local
750 * variable (keep_alive_pkt), and
751 ** then memcpy'ed into buffer (keep_alive_pktp) since there is no
752 ** guarantee that the buffer is properly aligned.
753 */
754 memcpy((char *)pkt_filterp,
755 &pkt_filter,
756 BRCMF_PKT_FILTER_FIXED_LEN + BRCMF_PKT_FILTER_PATTERN_FIXED_LEN);
757
758 rc = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, buf, buf_len);
759 rc = rc >= 0 ? 0 : rc;
760
761 if (rc)
762 brcmf_dbg(TRACE, "failed to add pktfilter %s, retcode = %d\n",
763 arg, rc);
764 else
765 brcmf_dbg(TRACE, "successfully added pktfilter %s\n", arg);
766
767 fail:
768 kfree(arg_org);
769
770 kfree(buf);
771 }
772
773 static void brcmf_c_arp_offload_set(struct brcmf_pub *drvr, int arp_mode)
774 {
775 char iovbuf[32];
776 int retcode;
777
778 brcmf_c_mkiovar("arp_ol", (char *)&arp_mode, 4, iovbuf, sizeof(iovbuf));
779 retcode = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR,
780 iovbuf, sizeof(iovbuf));
781 retcode = retcode >= 0 ? 0 : retcode;
782 if (retcode)
783 brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, retcode = %d\n",
784 arp_mode, retcode);
785 else
786 brcmf_dbg(TRACE, "successfully set ARP offload mode to 0x%x\n",
787 arp_mode);
788 }
789
790 static void brcmf_c_arp_offload_enable(struct brcmf_pub *drvr, int arp_enable)
791 {
792 char iovbuf[32];
793 int retcode;
794
795 brcmf_c_mkiovar("arpoe", (char *)&arp_enable, 4,
796 iovbuf, sizeof(iovbuf));
797 retcode = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR,
798 iovbuf, sizeof(iovbuf));
799 retcode = retcode >= 0 ? 0 : retcode;
800 if (retcode)
801 brcmf_dbg(TRACE, "failed to enable ARP offload to %d, retcode = %d\n",
802 arp_enable, retcode);
803 else
804 brcmf_dbg(TRACE, "successfully enabled ARP offload to %d\n",
805 arp_enable);
806 }
807
808 int brcmf_c_preinit_dcmds(struct brcmf_pub *drvr)
809 {
810 char iovbuf[BRCMF_EVENTING_MASK_LEN + 12]; /* Room for
811 "event_msgs" + '\0' + bitvec */
812 uint up = 0;
813 char buf[128], *ptr;
814 u32 dongle_align = BRCMF_SDALIGN;
815 u32 glom = 0;
816 u32 roaming = 1;
817 uint bcn_timeout = 3;
818 int scan_assoc_time = 40;
819 int scan_unassoc_time = 40;
820 int i;
821
822 brcmf_os_proto_block(drvr);
823
824 /* Set Country code */
825 if (drvr->country_code[0] != 0) {
826 if (brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_COUNTRY,
827 drvr->country_code,
828 sizeof(drvr->country_code)) < 0)
829 brcmf_dbg(ERROR, "country code setting failed\n");
830 }
831
832 /* query for 'ver' to get version info from firmware */
833 memset(buf, 0, sizeof(buf));
834 ptr = buf;
835 brcmf_c_mkiovar("ver", NULL, 0, buf, sizeof(buf));
836 brcmf_proto_cdc_query_dcmd(drvr, 0, BRCMF_C_GET_VAR, buf, sizeof(buf));
837 strsep(&ptr, "\n");
838 /* Print fw version info */
839 brcmf_dbg(ERROR, "Firmware version = %s\n", buf);
840
841 /* Match Host and Dongle rx alignment */
842 brcmf_c_mkiovar("bus:txglomalign", (char *)&dongle_align, 4, iovbuf,
843 sizeof(iovbuf));
844 brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf,
845 sizeof(iovbuf));
846
847 /* disable glom option per default */
848 brcmf_c_mkiovar("bus:txglom", (char *)&glom, 4, iovbuf, sizeof(iovbuf));
849 brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf,
850 sizeof(iovbuf));
851
852 /* Setup timeout if Beacons are lost and roam is off to report
853 link down */
854 brcmf_c_mkiovar("bcn_timeout", (char *)&bcn_timeout, 4, iovbuf,
855 sizeof(iovbuf));
856 brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf,
857 sizeof(iovbuf));
858
859 /* Enable/Disable build-in roaming to allowed ext supplicant to take
860 of romaing */
861 brcmf_c_mkiovar("roam_off", (char *)&roaming, 4,
862 iovbuf, sizeof(iovbuf));
863 brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf,
864 sizeof(iovbuf));
865
866 /* Force STA UP */
867 brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_UP, (char *)&up, sizeof(up));
868
869 /* Setup event_msgs */
870 brcmf_c_mkiovar("event_msgs", drvr->eventmask, BRCMF_EVENTING_MASK_LEN,
871 iovbuf, sizeof(iovbuf));
872 brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf,
873 sizeof(iovbuf));
874
875 brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_SCAN_CHANNEL_TIME,
876 (char *)&scan_assoc_time, sizeof(scan_assoc_time));
877 brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_SCAN_UNASSOC_TIME,
878 (char *)&scan_unassoc_time, sizeof(scan_unassoc_time));
879
880 /* Set and enable ARP offload feature */
881 brcmf_c_arp_offload_set(drvr, BRCMF_ARPOL_MODE);
882 brcmf_c_arp_offload_enable(drvr, true);
883
884 /* Set up pkt filter */
885 for (i = 0; i < drvr->pktfilter_count; i++) {
886 brcmf_c_pktfilter_offload_set(drvr, drvr->pktfilter[i]);
887 brcmf_c_pktfilter_offload_enable(drvr, drvr->pktfilter[i],
888 0, true);
889 }
890
891 brcmf_os_proto_unblock(drvr);
892
893 return 0;
894 }
(deprecated) Btrfs devel tree