2 * Copyright (c) 2010 Broadcom Corporation
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.
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.
17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19 #include <linux/kernel.h>
20 #include <linux/string.h>
21 #include <linux/sched.h>
22 #include <linux/netdevice.h>
23 #include <asm/unaligned.h>
25 #include <brcmu_wifi.h>
26 #include <brcmu_utils.h>
29 #include "dhd_proto.h"
32 #define BRCM_OUI "\x00\x10\x18"
33 #define DOT11_OUI_LEN 3
34 #define BCMILCP_BCM_SUBTYPE_EVENT 1
35 #define PKTFILTER_BUF_SIZE 2048
36 #define BRCMF_ARPOL_MODE 0xb /* agent|snoop|peer_autoreply */
38 #define MSGTRACE_VERSION 1
40 #define BRCMF_PKT_FILTER_FIXED_LEN offsetof(struct brcmf_pkt_filter_le, u)
41 #define BRCMF_PKT_FILTER_PATTERN_FIXED_LEN \
42 offsetof(struct brcmf_pkt_filter_pattern_le, mask_and_pattern)
45 static const char brcmf_version[] =
46 "Dongle Host Driver, version " BRCMF_VERSION_STR "\nCompiled on "
47 __DATE__ " at " __TIME__;
49 static const char brcmf_version[] =
50 "Dongle Host Driver, version " BRCMF_VERSION_STR;
53 /* Message trace header */
57 __be16 len; /* Len of the trace */
58 __be32 seqnum; /* Sequence number of message. Useful
59 * if the messsage has been lost
60 * because of DMA error or a bus reset
63 __be32 discarded_bytes; /* Number of discarded bytes because of
65 __be32 discarded_printf; /* Number of discarded printf
66 because of trace overflow */
71 brcmf_c_mkiovar(char *name, char *data, uint datalen, char *buf, uint buflen)
75 len = strlen(name) + 1;
77 if ((len + datalen) > buflen)
80 strncpy(buf, name, buflen);
82 /* append data onto the end of the name string */
83 memcpy(&buf[len], data, datalen);
89 bool brcmf_c_prec_enq(struct device *dev, struct pktq *q,
90 struct sk_buff *pkt, int prec)
93 int eprec = -1; /* precedence to evict from */
95 struct brcmf_bus *bus_if = dev_get_drvdata(dev);
96 struct brcmf_pub *drvr = bus_if->drvr;
98 /* Fast case, precedence queue is not full and we are also not
99 * exceeding total queue length
101 if (!pktq_pfull(q, prec) && !pktq_full(q)) {
102 brcmu_pktq_penq(q, prec, pkt);
106 /* Determine precedence from which to evict packet, if any */
107 if (pktq_pfull(q, prec))
109 else if (pktq_full(q)) {
110 p = brcmu_pktq_peek_tail(q, &eprec);
115 /* Evict if needed */
117 /* Detect queueing to unconfigured precedence */
118 discard_oldest = ac_bitmap_tst(drvr->wme_dp, eprec);
119 if (eprec == prec && !discard_oldest)
120 return false; /* refuse newer (incoming) packet */
121 /* Evict packet according to discard policy */
122 p = discard_oldest ? brcmu_pktq_pdeq(q, eprec) :
123 brcmu_pktq_pdeq_tail(q, eprec);
125 brcmf_dbg(ERROR, "brcmu_pktq_penq() failed, oldest %d\n",
128 brcmu_pkt_buf_free_skb(p);
132 p = brcmu_pktq_penq(q, prec, pkt);
134 brcmf_dbg(ERROR, "brcmu_pktq_penq() failed\n");
141 brcmf_c_show_host_event(struct brcmf_event_msg *event, void *event_data)
143 uint i, status, reason;
144 bool group = false, flush_txq = false, link = false;
145 char *auth_str, *event_name;
147 char err_msg[256], eabuf[ETHER_ADDR_STR_LEN];
153 BRCMF_E_SET_SSID, "SET_SSID"}, {
154 BRCMF_E_JOIN, "JOIN"}, {
155 BRCMF_E_START, "START"}, {
156 BRCMF_E_AUTH, "AUTH"}, {
157 BRCMF_E_AUTH_IND, "AUTH_IND"}, {
158 BRCMF_E_DEAUTH, "DEAUTH"}, {
159 BRCMF_E_DEAUTH_IND, "DEAUTH_IND"}, {
160 BRCMF_E_ASSOC, "ASSOC"}, {
161 BRCMF_E_ASSOC_IND, "ASSOC_IND"}, {
162 BRCMF_E_REASSOC, "REASSOC"}, {
163 BRCMF_E_REASSOC_IND, "REASSOC_IND"}, {
164 BRCMF_E_DISASSOC, "DISASSOC"}, {
165 BRCMF_E_DISASSOC_IND, "DISASSOC_IND"}, {
166 BRCMF_E_QUIET_START, "START_QUIET"}, {
167 BRCMF_E_QUIET_END, "END_QUIET"}, {
168 BRCMF_E_BEACON_RX, "BEACON_RX"}, {
169 BRCMF_E_LINK, "LINK"}, {
170 BRCMF_E_MIC_ERROR, "MIC_ERROR"}, {
171 BRCMF_E_NDIS_LINK, "NDIS_LINK"}, {
172 BRCMF_E_ROAM, "ROAM"}, {
173 BRCMF_E_TXFAIL, "TXFAIL"}, {
174 BRCMF_E_PMKID_CACHE, "PMKID_CACHE"}, {
175 BRCMF_E_RETROGRADE_TSF, "RETROGRADE_TSF"}, {
176 BRCMF_E_PRUNE, "PRUNE"}, {
177 BRCMF_E_AUTOAUTH, "AUTOAUTH"}, {
178 BRCMF_E_EAPOL_MSG, "EAPOL_MSG"}, {
179 BRCMF_E_SCAN_COMPLETE, "SCAN_COMPLETE"}, {
180 BRCMF_E_ADDTS_IND, "ADDTS_IND"}, {
181 BRCMF_E_DELTS_IND, "DELTS_IND"}, {
182 BRCMF_E_BCNSENT_IND, "BCNSENT_IND"}, {
183 BRCMF_E_BCNRX_MSG, "BCNRX_MSG"}, {
184 BRCMF_E_BCNLOST_MSG, "BCNLOST_MSG"}, {
185 BRCMF_E_ROAM_PREP, "ROAM_PREP"}, {
186 BRCMF_E_PFN_NET_FOUND, "PNO_NET_FOUND"}, {
187 BRCMF_E_PFN_NET_LOST, "PNO_NET_LOST"}, {
188 BRCMF_E_RESET_COMPLETE, "RESET_COMPLETE"}, {
189 BRCMF_E_JOIN_START, "JOIN_START"}, {
190 BRCMF_E_ROAM_START, "ROAM_START"}, {
191 BRCMF_E_ASSOC_START, "ASSOC_START"}, {
192 BRCMF_E_IBSS_ASSOC, "IBSS_ASSOC"}, {
193 BRCMF_E_RADIO, "RADIO"}, {
194 BRCMF_E_PSM_WATCHDOG, "PSM_WATCHDOG"}, {
195 BRCMF_E_PROBREQ_MSG, "PROBREQ_MSG"}, {
196 BRCMF_E_SCAN_CONFIRM_IND, "SCAN_CONFIRM_IND"}, {
197 BRCMF_E_PSK_SUP, "PSK_SUP"}, {
198 BRCMF_E_COUNTRY_CODE_CHANGED, "COUNTRY_CODE_CHANGED"}, {
199 BRCMF_E_EXCEEDED_MEDIUM_TIME, "EXCEEDED_MEDIUM_TIME"}, {
200 BRCMF_E_ICV_ERROR, "ICV_ERROR"}, {
201 BRCMF_E_UNICAST_DECODE_ERROR, "UNICAST_DECODE_ERROR"}, {
202 BRCMF_E_MULTICAST_DECODE_ERROR, "MULTICAST_DECODE_ERROR"}, {
203 BRCMF_E_TRACE, "TRACE"}, {
204 BRCMF_E_ACTION_FRAME, "ACTION FRAME"}, {
205 BRCMF_E_ACTION_FRAME_COMPLETE, "ACTION FRAME TX COMPLETE"}, {
207 BRCMF_E_RSSI, "RSSI"}, {
208 BRCMF_E_PFN_SCAN_COMPLETE, "SCAN_COMPLETE"}, {
209 BRCMF_E_ESCAN_RESULT, "ESCAN_RESULT"}
211 uint event_type, flags, auth_type, datalen;
212 static u32 seqnum_prev;
213 struct msgtrace_hdr hdr;
217 event_type = be32_to_cpu(event->event_type);
218 flags = be16_to_cpu(event->flags);
219 status = be32_to_cpu(event->status);
220 reason = be32_to_cpu(event->reason);
221 auth_type = be32_to_cpu(event->auth_type);
222 datalen = be32_to_cpu(event->datalen);
223 /* debug dump of event messages */
224 sprintf(eabuf, "%pM", event->addr);
226 event_name = "UNKNOWN";
227 for (i = 0; i < ARRAY_SIZE(event_names); i++) {
228 if (event_names[i].event == event_type)
229 event_name = event_names[i].event_name;
232 brcmf_dbg(EVENT, "EVENT: %s, event ID = %d\n", event_name, event_type);
233 brcmf_dbg(EVENT, "flags 0x%04x, status %d, reason %d, auth_type %d MAC %s\n",
234 flags, status, reason, auth_type, eabuf);
236 if (flags & BRCMF_EVENT_MSG_LINK)
238 if (flags & BRCMF_EVENT_MSG_GROUP)
240 if (flags & BRCMF_EVENT_MSG_FLUSHTXQ)
243 switch (event_type) {
246 case BRCMF_E_DISASSOC:
247 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n", event_name, eabuf);
250 case BRCMF_E_ASSOC_IND:
251 case BRCMF_E_REASSOC_IND:
252 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n", event_name, eabuf);
256 case BRCMF_E_REASSOC:
257 if (status == BRCMF_E_STATUS_SUCCESS)
258 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, SUCCESS\n",
260 else if (status == BRCMF_E_STATUS_TIMEOUT)
261 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, TIMEOUT\n",
263 else if (status == BRCMF_E_STATUS_FAIL)
264 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, FAILURE, reason %d\n",
265 event_name, eabuf, (int)reason);
267 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, unexpected status %d\n",
268 event_name, eabuf, (int)status);
271 case BRCMF_E_DEAUTH_IND:
272 case BRCMF_E_DISASSOC_IND:
273 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, reason %d\n",
274 event_name, eabuf, (int)reason);
278 case BRCMF_E_AUTH_IND:
279 if (auth_type == WLAN_AUTH_OPEN)
280 auth_str = "Open System";
281 else if (auth_type == WLAN_AUTH_SHARED_KEY)
282 auth_str = "Shared Key";
284 sprintf(err_msg, "AUTH unknown: %d", (int)auth_type);
287 if (event_type == BRCMF_E_AUTH_IND)
288 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s\n",
289 event_name, eabuf, auth_str);
290 else if (status == BRCMF_E_STATUS_SUCCESS)
291 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s, SUCCESS\n",
292 event_name, eabuf, auth_str);
293 else if (status == BRCMF_E_STATUS_TIMEOUT)
294 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s, TIMEOUT\n",
295 event_name, eabuf, auth_str);
296 else if (status == BRCMF_E_STATUS_FAIL) {
297 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s, FAILURE, reason %d\n",
298 event_name, eabuf, auth_str, (int)reason);
305 case BRCMF_E_SET_SSID:
306 if (status == BRCMF_E_STATUS_SUCCESS)
307 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n",
309 else if (status == BRCMF_E_STATUS_FAIL)
310 brcmf_dbg(EVENT, "MACEVENT: %s, failed\n", event_name);
311 else if (status == BRCMF_E_STATUS_NO_NETWORKS)
312 brcmf_dbg(EVENT, "MACEVENT: %s, no networks found\n",
315 brcmf_dbg(EVENT, "MACEVENT: %s, unexpected status %d\n",
316 event_name, (int)status);
319 case BRCMF_E_BEACON_RX:
320 if (status == BRCMF_E_STATUS_SUCCESS)
321 brcmf_dbg(EVENT, "MACEVENT: %s, SUCCESS\n", event_name);
322 else if (status == BRCMF_E_STATUS_FAIL)
323 brcmf_dbg(EVENT, "MACEVENT: %s, FAIL\n", event_name);
325 brcmf_dbg(EVENT, "MACEVENT: %s, status %d\n",
330 brcmf_dbg(EVENT, "MACEVENT: %s %s\n",
331 event_name, link ? "UP" : "DOWN");
334 case BRCMF_E_MIC_ERROR:
335 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, Group %d, Flush %d\n",
336 event_name, eabuf, group, flush_txq);
339 case BRCMF_E_ICV_ERROR:
340 case BRCMF_E_UNICAST_DECODE_ERROR:
341 case BRCMF_E_MULTICAST_DECODE_ERROR:
342 brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n", event_name, eabuf);
346 brcmf_dbg(EVENT, "MACEVENT: %s, RA %s\n", event_name, eabuf);
349 case BRCMF_E_SCAN_COMPLETE:
350 case BRCMF_E_PMKID_CACHE:
351 brcmf_dbg(EVENT, "MACEVENT: %s\n", event_name);
354 case BRCMF_E_ESCAN_RESULT:
355 brcmf_dbg(EVENT, "MACEVENT: %s\n", event_name);
359 case BRCMF_E_PFN_NET_FOUND:
360 case BRCMF_E_PFN_NET_LOST:
361 case BRCMF_E_PFN_SCAN_COMPLETE:
362 brcmf_dbg(EVENT, "PNOEVENT: %s\n", event_name);
365 case BRCMF_E_PSK_SUP:
367 brcmf_dbg(EVENT, "MACEVENT: %s, status %d, reason %d\n",
368 event_name, (int)status, (int)reason);
372 buf = (unsigned char *) event_data;
373 memcpy(&hdr, buf, sizeof(struct msgtrace_hdr));
375 if (hdr.version != MSGTRACE_VERSION) {
377 "MACEVENT: %s [unsupported version --> brcmf"
378 " version:%d dongle version:%d]\n",
379 event_name, MSGTRACE_VERSION, hdr.version);
380 /* Reset datalen to avoid display below */
385 /* There are 2 bytes available at the end of data */
386 *(buf + sizeof(struct msgtrace_hdr)
387 + be16_to_cpu(hdr.len)) = '\0';
389 if (be32_to_cpu(hdr.discarded_bytes)
390 || be32_to_cpu(hdr.discarded_printf))
392 "WLC_E_TRACE: [Discarded traces in dongle -->"
393 " discarded_bytes %d discarded_printf %d]\n",
394 be32_to_cpu(hdr.discarded_bytes),
395 be32_to_cpu(hdr.discarded_printf));
397 nblost = be32_to_cpu(hdr.seqnum) - seqnum_prev - 1;
399 brcmf_dbg(ERROR, "WLC_E_TRACE: [Event lost --> seqnum "
400 " %d nblost %d\n", be32_to_cpu(hdr.seqnum),
402 seqnum_prev = be32_to_cpu(hdr.seqnum);
404 /* Display the trace buffer. Advance from \n to \n to
406 * printf (issue with Linux printk )
408 p = (char *)&buf[sizeof(struct msgtrace_hdr)];
409 while ((s = strstr(p, "\n")) != NULL) {
416 /* Reset datalen to avoid display below */
421 brcmf_dbg(EVENT, "MACEVENT: %s %d\n",
422 event_name, be32_to_cpu(*((__be32 *)event_data)));
427 "MACEVENT: %s %d, MAC %s, status %d, reason %d, "
428 "auth %d\n", event_name, event_type, eabuf,
429 (int)status, (int)reason, (int)auth_type);
433 /* show any appended data */
435 buf = (unsigned char *) event_data;
436 brcmf_dbg(EVENT, " data (%d) : ", datalen);
437 for (i = 0; i < datalen; i++)
438 brcmf_dbg(EVENT, " 0x%02x ", *buf++);
439 brcmf_dbg(EVENT, "\n");
445 brcmf_c_host_event(struct brcmf_pub *drvr, int *ifidx, void *pktdata,
446 struct brcmf_event_msg *event, void **data_ptr)
448 /* check whether packet is a BRCM event pkt */
449 struct brcmf_event *pvt_data = (struct brcmf_event *) pktdata;
450 struct brcmf_if_event *ifevent;
456 if (memcmp(BRCM_OUI, &pvt_data->hdr.oui[0], DOT11_OUI_LEN)) {
457 brcmf_dbg(ERROR, "mismatched OUI, bailing\n");
461 /* BRCM event pkt may be unaligned - use xxx_ua to load user_subtype. */
462 if (get_unaligned_be16(&pvt_data->hdr.usr_subtype) !=
463 BCMILCP_BCM_SUBTYPE_EVENT) {
464 brcmf_dbg(ERROR, "mismatched subtype, bailing\n");
468 *data_ptr = &pvt_data[1];
469 event_data = *data_ptr;
471 /* memcpy since BRCM event pkt may be unaligned. */
472 memcpy(event, &pvt_data->msg, sizeof(struct brcmf_event_msg));
474 type = get_unaligned_be32(&event->event_type);
475 flags = get_unaligned_be16(&event->flags);
476 status = get_unaligned_be32(&event->status);
477 evlen = get_unaligned_be32(&event->datalen) +
478 sizeof(struct brcmf_event);
482 ifevent = (struct brcmf_if_event *) event_data;
483 brcmf_dbg(TRACE, "if event\n");
485 if (ifevent->ifidx > 0 && ifevent->ifidx < BRCMF_MAX_IFS) {
486 if (ifevent->action == BRCMF_E_IF_ADD)
487 brcmf_add_if(drvr->dev, ifevent->ifidx,
489 pvt_data->eth.h_dest);
491 brcmf_del_if(drvr, ifevent->ifidx);
493 brcmf_dbg(ERROR, "Invalid ifidx %d for %s\n",
494 ifevent->ifidx, event->ifname);
497 /* send up the if event: btamp user needs it */
498 *ifidx = brcmf_ifname2idx(drvr, event->ifname);
501 /* These are what external supplicant/authenticator wants */
503 case BRCMF_E_ASSOC_IND:
504 case BRCMF_E_REASSOC_IND:
505 case BRCMF_E_DISASSOC_IND:
506 case BRCMF_E_MIC_ERROR:
508 /* Fall through: this should get _everything_ */
510 *ifidx = brcmf_ifname2idx(drvr, event->ifname);
511 brcmf_dbg(TRACE, "MAC event %d, flags %x, status %x\n",
512 type, flags, status);
514 /* put it back to BRCMF_E_NDIS_LINK */
515 if (type == BRCMF_E_NDIS_LINK) {
519 temp1 = get_unaligned_be32(&event->event_type);
520 brcmf_dbg(TRACE, "Converted to WLC_E_LINK type %d\n",
523 temp2 = cpu_to_be32(BRCMF_E_NDIS_LINK);
524 memcpy((void *)(&pvt_data->msg.event_type), &temp2,
525 sizeof(pvt_data->msg.event_type));
531 brcmf_c_show_host_event(event, event_data);
537 /* Convert user's input in hex pattern to byte-size mask */
538 static int brcmf_c_pattern_atoh(char *src, char *dst)
541 if (strncmp(src, "0x", 2) != 0 && strncmp(src, "0X", 2) != 0) {
542 brcmf_dbg(ERROR, "Mask invalid format. Needs to start with 0x\n");
545 src = src + 2; /* Skip past 0x */
546 if (strlen(src) % 2 != 0) {
547 brcmf_dbg(ERROR, "Mask invalid format. Length must be even.\n");
550 for (i = 0; *src != '\0'; i++) {
553 strncpy(num, src, 2);
555 if (kstrtoul(num, 16, &res))
564 brcmf_c_pktfilter_offload_enable(struct brcmf_pub *drvr, char *arg, int enable,
573 char *arg_save = NULL, *arg_org = NULL;
576 struct brcmf_pkt_filter_enable_le enable_parm;
577 struct brcmf_pkt_filter_enable_le *pkt_filterp;
580 arg_save = kmalloc(strlen(arg) + 1, GFP_ATOMIC);
585 memcpy(arg_save, arg, strlen(arg) + 1);
587 argv[i] = strsep(&arg_save, " ");
590 if (NULL == argv[i]) {
591 brcmf_dbg(ERROR, "No args provided\n");
595 str = "pkt_filter_enable";
596 str_len = strlen(str);
597 strncpy(buf, str, str_len);
599 buf_len = str_len + 1;
601 pkt_filterp = (struct brcmf_pkt_filter_enable_le *) (buf + str_len + 1);
603 /* Parse packet filter id. */
605 if (!kstrtoul(argv[i], 0, &res))
606 enable_parm.id = cpu_to_le32((u32)res);
608 /* Parse enable/disable value. */
609 enable_parm.enable = cpu_to_le32(enable);
611 buf_len += sizeof(enable_parm);
612 memcpy((char *)pkt_filterp, &enable_parm, sizeof(enable_parm));
614 /* Enable/disable the specified filter. */
615 rc = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, buf, buf_len);
616 rc = rc >= 0 ? 0 : rc;
618 brcmf_dbg(TRACE, "failed to add pktfilter %s, retcode = %d\n",
621 brcmf_dbg(TRACE, "successfully added pktfilter %s\n", arg);
623 /* Contorl the master mode */
624 mmode_le = cpu_to_le32(master_mode);
625 brcmf_c_mkiovar("pkt_filter_mode", (char *)&mmode_le, 4, buf,
627 rc = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, buf,
629 rc = rc >= 0 ? 0 : rc;
631 brcmf_dbg(TRACE, "failed to add pktfilter %s, retcode = %d\n",
638 void brcmf_c_pktfilter_offload_set(struct brcmf_pub *drvr, char *arg)
641 struct brcmf_pkt_filter_le pkt_filter;
642 struct brcmf_pkt_filter_le *pkt_filterp;
649 char *argv[8], *buf = NULL;
651 char *arg_save = NULL, *arg_org = NULL;
653 arg_save = kstrdup(arg, GFP_ATOMIC);
659 buf = kmalloc(PKTFILTER_BUF_SIZE, GFP_ATOMIC);
663 argv[i] = strsep(&arg_save, " ");
665 argv[i] = strsep(&arg_save, " ");
668 if (NULL == argv[i]) {
669 brcmf_dbg(ERROR, "No args provided\n");
673 str = "pkt_filter_add";
675 str_len = strlen(str);
676 buf_len = str_len + 1;
678 pkt_filterp = (struct brcmf_pkt_filter_le *) (buf + str_len + 1);
680 /* Parse packet filter id. */
682 if (!kstrtoul(argv[i], 0, &res))
683 pkt_filter.id = cpu_to_le32((u32)res);
685 if (NULL == argv[++i]) {
686 brcmf_dbg(ERROR, "Polarity not provided\n");
690 /* Parse filter polarity. */
691 pkt_filter.negate_match = 0;
692 if (!kstrtoul(argv[i], 0, &res))
693 pkt_filter.negate_match = cpu_to_le32((u32)res);
695 if (NULL == argv[++i]) {
696 brcmf_dbg(ERROR, "Filter type not provided\n");
700 /* Parse filter type. */
702 if (!kstrtoul(argv[i], 0, &res))
703 pkt_filter.type = cpu_to_le32((u32)res);
705 if (NULL == argv[++i]) {
706 brcmf_dbg(ERROR, "Offset not provided\n");
710 /* Parse pattern filter offset. */
711 pkt_filter.u.pattern.offset = 0;
712 if (!kstrtoul(argv[i], 0, &res))
713 pkt_filter.u.pattern.offset = cpu_to_le32((u32)res);
715 if (NULL == argv[++i]) {
716 brcmf_dbg(ERROR, "Bitmask not provided\n");
720 /* Parse pattern filter mask. */
723 (argv[i], (char *)pkt_filterp->u.pattern.mask_and_pattern);
725 if (NULL == argv[++i]) {
726 brcmf_dbg(ERROR, "Pattern not provided\n");
730 /* Parse pattern filter pattern. */
732 brcmf_c_pattern_atoh(argv[i],
733 (char *)&pkt_filterp->u.pattern.
734 mask_and_pattern[mask_size]);
736 if (mask_size != pattern_size) {
737 brcmf_dbg(ERROR, "Mask and pattern not the same size\n");
741 pkt_filter.u.pattern.size_bytes = cpu_to_le32(mask_size);
742 buf_len += BRCMF_PKT_FILTER_FIXED_LEN;
743 buf_len += (BRCMF_PKT_FILTER_PATTERN_FIXED_LEN + 2 * mask_size);
745 /* Keep-alive attributes are set in local
746 * variable (keep_alive_pkt), and
747 ** then memcpy'ed into buffer (keep_alive_pktp) since there is no
748 ** guarantee that the buffer is properly aligned.
750 memcpy((char *)pkt_filterp,
752 BRCMF_PKT_FILTER_FIXED_LEN + BRCMF_PKT_FILTER_PATTERN_FIXED_LEN);
754 rc = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, buf, buf_len);
755 rc = rc >= 0 ? 0 : rc;
758 brcmf_dbg(TRACE, "failed to add pktfilter %s, retcode = %d\n",
761 brcmf_dbg(TRACE, "successfully added pktfilter %s\n", arg);
769 static void brcmf_c_arp_offload_set(struct brcmf_pub *drvr, int arp_mode)
775 arp_mode_le = cpu_to_le32(arp_mode);
776 brcmf_c_mkiovar("arp_ol", (char *)&arp_mode_le, 4, iovbuf,
778 retcode = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR,
779 iovbuf, sizeof(iovbuf));
780 retcode = retcode >= 0 ? 0 : retcode;
782 brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, retcode = %d\n",
785 brcmf_dbg(TRACE, "successfully set ARP offload mode to 0x%x\n",
789 static void brcmf_c_arp_offload_enable(struct brcmf_pub *drvr, int arp_enable)
793 __le32 arp_enable_le;
795 arp_enable_le = cpu_to_le32(arp_enable);
797 brcmf_c_mkiovar("arpoe", (char *)&arp_enable_le, 4,
798 iovbuf, sizeof(iovbuf));
799 retcode = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR,
800 iovbuf, sizeof(iovbuf));
801 retcode = retcode >= 0 ? 0 : retcode;
803 brcmf_dbg(TRACE, "failed to enable ARP offload to %d, retcode = %d\n",
804 arp_enable, retcode);
806 brcmf_dbg(TRACE, "successfully enabled ARP offload to %d\n",
810 int brcmf_c_preinit_dcmds(struct brcmf_pub *drvr)
812 char iovbuf[BRCMF_EVENTING_MASK_LEN + 12]; /* Room for
813 "event_msgs" + '\0' + bitvec */
815 __le32 roaming_le = cpu_to_le32(1);
816 __le32 bcn_timeout_le = cpu_to_le32(3);
817 __le32 scan_assoc_time_le = cpu_to_le32(40);
818 __le32 scan_unassoc_time_le = cpu_to_le32(40);
820 struct brcmf_bus_dcmd *cmdlst;
821 struct list_head *cur, *q;
823 mutex_lock(&drvr->proto_block);
825 /* Set Country code */
826 if (drvr->country_code[0] != 0) {
827 if (brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_COUNTRY,
829 sizeof(drvr->country_code)) < 0)
830 brcmf_dbg(ERROR, "country code setting failed\n");
833 /* query for 'ver' to get version info from firmware */
834 memset(buf, 0, sizeof(buf));
836 brcmf_c_mkiovar("ver", NULL, 0, buf, sizeof(buf));
837 brcmf_proto_cdc_query_dcmd(drvr, 0, BRCMF_C_GET_VAR, buf, sizeof(buf));
839 /* Print fw version info */
840 brcmf_dbg(ERROR, "Firmware version = %s\n", buf);
842 /* Setup timeout if Beacons are lost and roam is off to report
844 brcmf_c_mkiovar("bcn_timeout", (char *)&bcn_timeout_le, 4, iovbuf,
846 brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf,
849 /* Enable/Disable build-in roaming to allowed ext supplicant to take
851 brcmf_c_mkiovar("roam_off", (char *)&roaming_le, 4,
852 iovbuf, sizeof(iovbuf));
853 brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf,
856 /* Setup event_msgs */
857 brcmf_c_mkiovar("event_msgs", drvr->eventmask, BRCMF_EVENTING_MASK_LEN,
858 iovbuf, sizeof(iovbuf));
859 brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf,
862 brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_SCAN_CHANNEL_TIME,
863 (char *)&scan_assoc_time_le, sizeof(scan_assoc_time_le));
864 brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_SCAN_UNASSOC_TIME,
865 (char *)&scan_unassoc_time_le, sizeof(scan_unassoc_time_le));
867 /* Set and enable ARP offload feature */
868 brcmf_c_arp_offload_set(drvr, BRCMF_ARPOL_MODE);
869 brcmf_c_arp_offload_enable(drvr, true);
871 /* Set up pkt filter */
872 for (i = 0; i < drvr->pktfilter_count; i++) {
873 brcmf_c_pktfilter_offload_set(drvr, drvr->pktfilter[i]);
874 brcmf_c_pktfilter_offload_enable(drvr, drvr->pktfilter[i],
878 /* set bus specific command if there is any */
879 list_for_each_safe(cur, q, &drvr->bus_if->dcmd_list) {
880 cmdlst = list_entry(cur, struct brcmf_bus_dcmd, list);
881 if (cmdlst->name && cmdlst->param && cmdlst->param_len) {
882 brcmf_c_mkiovar(cmdlst->name, cmdlst->param,
883 cmdlst->param_len, iovbuf,
885 brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR,
886 iovbuf, sizeof(iovbuf));
892 mutex_unlock(&drvr->proto_block);