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01d23493b4eb2bf66b979b5df4b19baf0428479d
[openwrt.git] / package / libertas / src / cmd.c
1 /**
2 * This file contains the handling of command.
3 * It prepares command and sends it to firmware when it is ready.
4 */
5
6 #include <net/iw_handler.h>
7 #include "host.h"
8 #include "hostcmd.h"
9 #include "decl.h"
10 #include "defs.h"
11 #include "dev.h"
12 #include "join.h"
13 #include "wext.h"
14 #include "cmd.h"
15
16 static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode);
17 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
18 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
19 struct cmd_ctrl_node *ptempnode,
20 u16 wait_option, void *pdata_buf);
21
22
23 /**
24 * @brief Checks whether a command is allowed in Power Save mode
25 *
26 * @param command the command ID
27 * @return 1 if allowed, 0 if not allowed
28 */
29 static u8 is_command_allowed_in_ps(u16 cmd)
30 {
31 switch (cmd) {
32 case CMD_802_11_RSSI:
33 return 1;
34 default:
35 break;
36 }
37 return 0;
38 }
39
40 /**
41 * @brief Updates the hardware details like MAC address and regulatory region
42 *
43 * @param priv A pointer to struct lbs_private structure
44 *
45 * @return 0 on success, error on failure
46 */
47 int lbs_update_hw_spec(struct lbs_private *priv)
48 {
49 struct cmd_ds_get_hw_spec cmd;
50 int ret = -1;
51 u32 i;
52 DECLARE_MAC_BUF(mac);
53
54 lbs_deb_enter(LBS_DEB_CMD);
55
56 memset(&cmd, 0, sizeof(cmd));
57 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
58 memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
59 ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, cmd);
60 if (ret)
61 goto out;
62
63 priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
64 memcpy(priv->fwreleasenumber, cmd.fwreleasenumber, 4);
65
66 lbs_deb_cmd("GET_HW_SPEC: firmware release %u.%u.%up%u\n",
67 priv->fwreleasenumber[2], priv->fwreleasenumber[1],
68 priv->fwreleasenumber[0], priv->fwreleasenumber[3]);
69 lbs_deb_cmd("GET_HW_SPEC: MAC addr %s\n",
70 print_mac(mac, cmd.permanentaddr));
71 lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
72 cmd.hwifversion, cmd.version);
73
74 /* Clamp region code to 8-bit since FW spec indicates that it should
75 * only ever be 8-bit, even though the field size is 16-bit. Some firmware
76 * returns non-zero high 8 bits here.
77 */
78 priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
79
80 for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
81 /* use the region code to search for the index */
82 if (priv->regioncode == lbs_region_code_to_index[i])
83 break;
84 }
85
86 /* if it's unidentified region code, use the default (USA) */
87 if (i >= MRVDRV_MAX_REGION_CODE) {
88 priv->regioncode = 0x10;
89 lbs_pr_info("unidentified region code; using the default (USA)\n");
90 }
91
92 if (priv->current_addr[0] == 0xff)
93 memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
94
95 memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
96 if (priv->mesh_dev)
97 memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
98
99 if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
100 ret = -1;
101 goto out;
102 }
103
104 if (lbs_set_universaltable(priv, 0)) {
105 ret = -1;
106 goto out;
107 }
108
109 out:
110 lbs_deb_leave(LBS_DEB_CMD);
111 return ret;
112 }
113
114 static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
115 struct cmd_ds_command *cmd,
116 u16 cmd_action)
117 {
118 struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
119
120 lbs_deb_enter(LBS_DEB_CMD);
121
122 cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
123 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
124 S_DS_GEN);
125 psm->action = cpu_to_le16(cmd_action);
126 psm->multipledtim = 0;
127 switch (cmd_action) {
128 case CMD_SUBCMD_ENTER_PS:
129 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
130
131 psm->locallisteninterval = 0;
132 psm->nullpktinterval = 0;
133 psm->multipledtim =
134 cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
135 break;
136
137 case CMD_SUBCMD_EXIT_PS:
138 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
139 break;
140
141 case CMD_SUBCMD_SLEEP_CONFIRMED:
142 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
143 break;
144
145 default:
146 break;
147 }
148
149 lbs_deb_leave(LBS_DEB_CMD);
150 return 0;
151 }
152
153 static int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
154 struct cmd_ds_command *cmd,
155 u16 cmd_action, void *pdata_buf)
156 {
157 u16 *timeout = pdata_buf;
158
159 lbs_deb_enter(LBS_DEB_CMD);
160
161 cmd->command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
162 cmd->size =
163 cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout)
164 + S_DS_GEN);
165
166 cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
167
168 if (cmd_action)
169 cmd->params.inactivity_timeout.timeout = cpu_to_le16(*timeout);
170 else
171 cmd->params.inactivity_timeout.timeout = 0;
172
173 lbs_deb_leave(LBS_DEB_CMD);
174 return 0;
175 }
176
177 static int lbs_cmd_802_11_sleep_params(struct lbs_private *priv,
178 struct cmd_ds_command *cmd,
179 u16 cmd_action)
180 {
181 struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
182
183 lbs_deb_enter(LBS_DEB_CMD);
184
185 cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) +
186 S_DS_GEN);
187 cmd->command = cpu_to_le16(CMD_802_11_SLEEP_PARAMS);
188
189 if (cmd_action == CMD_ACT_GET) {
190 memset(&priv->sp, 0, sizeof(struct sleep_params));
191 memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params));
192 sp->action = cpu_to_le16(cmd_action);
193 } else if (cmd_action == CMD_ACT_SET) {
194 sp->action = cpu_to_le16(cmd_action);
195 sp->error = cpu_to_le16(priv->sp.sp_error);
196 sp->offset = cpu_to_le16(priv->sp.sp_offset);
197 sp->stabletime = cpu_to_le16(priv->sp.sp_stabletime);
198 sp->calcontrol = (u8) priv->sp.sp_calcontrol;
199 sp->externalsleepclk = (u8) priv->sp.sp_extsleepclk;
200 sp->reserved = cpu_to_le16(priv->sp.sp_reserved);
201 }
202
203 lbs_deb_leave(LBS_DEB_CMD);
204 return 0;
205 }
206
207 static int lbs_cmd_802_11_set_wep(struct lbs_private *priv,
208 struct cmd_ds_command *cmd,
209 u32 cmd_act,
210 void * pdata_buf)
211 {
212 struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
213 int ret = 0;
214 struct assoc_request * assoc_req = pdata_buf;
215
216 lbs_deb_enter(LBS_DEB_CMD);
217
218 cmd->command = cpu_to_le16(CMD_802_11_SET_WEP);
219 cmd->size = cpu_to_le16(sizeof(*wep) + S_DS_GEN);
220
221 if (cmd_act == CMD_ACT_ADD) {
222 int i;
223
224 if (!assoc_req) {
225 lbs_deb_cmd("Invalid association request!");
226 ret = -1;
227 goto done;
228 }
229
230 wep->action = cpu_to_le16(CMD_ACT_ADD);
231
232 /* default tx key index */
233 wep->keyindex = cpu_to_le16((u16)(assoc_req->wep_tx_keyidx &
234 (u32)CMD_WEP_KEY_INDEX_MASK));
235
236 /* Copy key types and material to host command structure */
237 for (i = 0; i < 4; i++) {
238 struct enc_key * pkey = &assoc_req->wep_keys[i];
239
240 switch (pkey->len) {
241 case KEY_LEN_WEP_40:
242 wep->keytype[i] = CMD_TYPE_WEP_40_BIT;
243 memmove(&wep->keymaterial[i], pkey->key,
244 pkey->len);
245 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
246 break;
247 case KEY_LEN_WEP_104:
248 wep->keytype[i] = CMD_TYPE_WEP_104_BIT;
249 memmove(&wep->keymaterial[i], pkey->key,
250 pkey->len);
251 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
252 break;
253 case 0:
254 break;
255 default:
256 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
257 i, pkey->len);
258 ret = -1;
259 goto done;
260 break;
261 }
262 }
263 } else if (cmd_act == CMD_ACT_REMOVE) {
264 /* ACT_REMOVE clears _all_ WEP keys */
265 wep->action = cpu_to_le16(CMD_ACT_REMOVE);
266
267 /* default tx key index */
268 wep->keyindex = cpu_to_le16((u16)(priv->wep_tx_keyidx &
269 (u32)CMD_WEP_KEY_INDEX_MASK));
270 lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
271 }
272
273 ret = 0;
274
275 done:
276 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
277 return ret;
278 }
279
280 static int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv,
281 struct cmd_ds_command *cmd,
282 u16 cmd_action,
283 void * pdata_buf)
284 {
285 struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
286 u32 * enable = pdata_buf;
287
288 lbs_deb_enter(LBS_DEB_CMD);
289
290 cmd->command = cpu_to_le16(CMD_802_11_ENABLE_RSN);
291 cmd->size = cpu_to_le16(sizeof(*penableRSN) + S_DS_GEN);
292 penableRSN->action = cpu_to_le16(cmd_action);
293
294 if (cmd_action == CMD_ACT_SET) {
295 if (*enable)
296 penableRSN->enable = cpu_to_le16(CMD_ENABLE_RSN);
297 else
298 penableRSN->enable = cpu_to_le16(CMD_DISABLE_RSN);
299 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
300 }
301
302 lbs_deb_leave(LBS_DEB_CMD);
303 return 0;
304 }
305
306
307 static ssize_t lbs_tlv_size(const u8 *tlv, u16 size)
308 {
309 ssize_t pos = 0;
310 struct mrvlietypesheader *tlv_h;
311 while (pos < size) {
312 u16 length;
313 tlv_h = (struct mrvlietypesheader *) tlv;
314 if (tlv_h->len == 0)
315 return pos;
316 length = le16_to_cpu(tlv_h->len) +
317 sizeof(struct mrvlietypesheader);
318 pos += length;
319 tlv += length;
320 }
321 return pos;
322 }
323
324
325 static void lbs_cmd_802_11_subscribe_event(struct lbs_private *priv,
326 struct cmd_ds_command *cmd, u16 cmd_action,
327 void *pdata_buf)
328 {
329 struct cmd_ds_802_11_subscribe_event *events =
330 (struct cmd_ds_802_11_subscribe_event *) pdata_buf;
331
332 /* pdata_buf points to a struct cmd_ds_802_11_subscribe_event and room
333 * for various Marvell TLVs */
334
335 lbs_deb_enter(LBS_DEB_CMD);
336
337 cmd->size = cpu_to_le16(sizeof(*events)
338 - sizeof(events->tlv)
339 + S_DS_GEN);
340 cmd->params.subscribe_event.action = cpu_to_le16(cmd_action);
341 if (cmd_action == CMD_ACT_GET) {
342 cmd->params.subscribe_event.events = 0;
343 } else {
344 ssize_t sz = lbs_tlv_size(events->tlv, sizeof(events->tlv));
345 cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) + sz);
346 cmd->params.subscribe_event.events = events->events;
347 memcpy(cmd->params.subscribe_event.tlv, events->tlv, sz);
348 }
349
350 lbs_deb_leave(LBS_DEB_CMD);
351 }
352
353 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
354 struct enc_key * pkey)
355 {
356 lbs_deb_enter(LBS_DEB_CMD);
357
358 if (pkey->flags & KEY_INFO_WPA_ENABLED) {
359 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
360 }
361 if (pkey->flags & KEY_INFO_WPA_UNICAST) {
362 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
363 }
364 if (pkey->flags & KEY_INFO_WPA_MCAST) {
365 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
366 }
367
368 pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
369 pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
370 pkeyparamset->keylen = cpu_to_le16(pkey->len);
371 memcpy(pkeyparamset->key, pkey->key, pkey->len);
372 pkeyparamset->length = cpu_to_le16( sizeof(pkeyparamset->keytypeid)
373 + sizeof(pkeyparamset->keyinfo)
374 + sizeof(pkeyparamset->keylen)
375 + sizeof(pkeyparamset->key));
376 lbs_deb_leave(LBS_DEB_CMD);
377 }
378
379 static int lbs_cmd_802_11_key_material(struct lbs_private *priv,
380 struct cmd_ds_command *cmd,
381 u16 cmd_action,
382 u32 cmd_oid, void *pdata_buf)
383 {
384 struct cmd_ds_802_11_key_material *pkeymaterial =
385 &cmd->params.keymaterial;
386 struct assoc_request * assoc_req = pdata_buf;
387 int ret = 0;
388 int index = 0;
389
390 lbs_deb_enter(LBS_DEB_CMD);
391
392 cmd->command = cpu_to_le16(CMD_802_11_KEY_MATERIAL);
393 pkeymaterial->action = cpu_to_le16(cmd_action);
394
395 if (cmd_action == CMD_ACT_GET) {
396 cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action));
397 ret = 0;
398 goto done;
399 }
400
401 memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
402
403 if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
404 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
405 &assoc_req->wpa_unicast_key);
406 index++;
407 }
408
409 if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
410 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
411 &assoc_req->wpa_mcast_key);
412 index++;
413 }
414
415 cmd->size = cpu_to_le16( S_DS_GEN
416 + sizeof (pkeymaterial->action)
417 + (index * sizeof(struct MrvlIEtype_keyParamSet)));
418
419 ret = 0;
420
421 done:
422 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
423 return ret;
424 }
425
426 static int lbs_cmd_802_11_reset(struct lbs_private *priv,
427 struct cmd_ds_command *cmd, int cmd_action)
428 {
429 struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
430
431 lbs_deb_enter(LBS_DEB_CMD);
432
433 cmd->command = cpu_to_le16(CMD_802_11_RESET);
434 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
435 reset->action = cpu_to_le16(cmd_action);
436
437 lbs_deb_leave(LBS_DEB_CMD);
438 return 0;
439 }
440
441 static int lbs_cmd_802_11_get_log(struct lbs_private *priv,
442 struct cmd_ds_command *cmd)
443 {
444 lbs_deb_enter(LBS_DEB_CMD);
445 cmd->command = cpu_to_le16(CMD_802_11_GET_LOG);
446 cmd->size =
447 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
448
449 lbs_deb_leave(LBS_DEB_CMD);
450 return 0;
451 }
452
453 static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
454 struct cmd_ds_command *cmd)
455 {
456 lbs_deb_enter(LBS_DEB_CMD);
457 cmd->command = cpu_to_le16(CMD_802_11_GET_STAT);
458 cmd->size =
459 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
460
461 lbs_deb_leave(LBS_DEB_CMD);
462 return 0;
463 }
464
465 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
466 struct cmd_ds_command *cmd,
467 int cmd_action,
468 int cmd_oid, void *pdata_buf)
469 {
470 struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
471 u8 ucTemp;
472
473 lbs_deb_enter(LBS_DEB_CMD);
474
475 lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
476
477 cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
478 cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
479
480 switch (cmd_oid) {
481 case OID_802_11_INFRASTRUCTURE_MODE:
482 {
483 u8 mode = (u8) (size_t) pdata_buf;
484 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
485 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
486 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
487 if (mode == IW_MODE_ADHOC) {
488 ucTemp = SNMP_MIB_VALUE_ADHOC;
489 } else {
490 /* Infra and Auto modes */
491 ucTemp = SNMP_MIB_VALUE_INFRA;
492 }
493
494 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
495
496 break;
497 }
498
499 case OID_802_11D_ENABLE:
500 {
501 u32 ulTemp;
502
503 pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
504
505 if (cmd_action == CMD_ACT_SET) {
506 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
507 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
508 ulTemp = *(u32 *)pdata_buf;
509 *((__le16 *)(pSNMPMIB->value)) =
510 cpu_to_le16((u16) ulTemp);
511 }
512 break;
513 }
514
515 case OID_802_11_FRAGMENTATION_THRESHOLD:
516 {
517 u32 ulTemp;
518
519 pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
520
521 if (cmd_action == CMD_ACT_GET) {
522 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
523 } else if (cmd_action == CMD_ACT_SET) {
524 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
525 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
526 ulTemp = *((u32 *) pdata_buf);
527 *((__le16 *)(pSNMPMIB->value)) =
528 cpu_to_le16((u16) ulTemp);
529
530 }
531
532 break;
533 }
534
535 case OID_802_11_RTS_THRESHOLD:
536 {
537
538 u32 ulTemp;
539 pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I);
540
541 if (cmd_action == CMD_ACT_GET) {
542 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
543 } else if (cmd_action == CMD_ACT_SET) {
544 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
545 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
546 ulTemp = *((u32 *)pdata_buf);
547 *(__le16 *)(pSNMPMIB->value) =
548 cpu_to_le16((u16) ulTemp);
549
550 }
551 break;
552 }
553 case OID_802_11_TX_RETRYCOUNT:
554 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
555
556 if (cmd_action == CMD_ACT_GET) {
557 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
558 } else if (cmd_action == CMD_ACT_SET) {
559 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
560 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
561 *((__le16 *)(pSNMPMIB->value)) =
562 cpu_to_le16((u16) priv->txretrycount);
563 }
564
565 break;
566 default:
567 break;
568 }
569
570 lbs_deb_cmd(
571 "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
572 le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
573 le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
574
575 lbs_deb_cmd(
576 "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
577 le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
578 le16_to_cpu(pSNMPMIB->bufsize),
579 le16_to_cpu(*(__le16 *) pSNMPMIB->value));
580
581 lbs_deb_leave(LBS_DEB_CMD);
582 return 0;
583 }
584
585 static int lbs_cmd_802_11_radio_control(struct lbs_private *priv,
586 struct cmd_ds_command *cmd,
587 int cmd_action)
588 {
589 struct cmd_ds_802_11_radio_control *pradiocontrol = &cmd->params.radio;
590
591 lbs_deb_enter(LBS_DEB_CMD);
592
593 cmd->size =
594 cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) +
595 S_DS_GEN);
596 cmd->command = cpu_to_le16(CMD_802_11_RADIO_CONTROL);
597
598 pradiocontrol->action = cpu_to_le16(cmd_action);
599
600 switch (priv->preamble) {
601 case CMD_TYPE_SHORT_PREAMBLE:
602 pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE);
603 break;
604
605 case CMD_TYPE_LONG_PREAMBLE:
606 pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE);
607 break;
608
609 case CMD_TYPE_AUTO_PREAMBLE:
610 default:
611 pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE);
612 break;
613 }
614
615 if (priv->radioon)
616 pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
617 else
618 pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
619
620 lbs_deb_leave(LBS_DEB_CMD);
621 return 0;
622 }
623
624 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
625 struct cmd_ds_command *cmd,
626 u16 cmd_action, void *pdata_buf)
627 {
628
629 struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
630
631 lbs_deb_enter(LBS_DEB_CMD);
632
633 cmd->size =
634 cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
635 cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
636 prtp->action = cpu_to_le16(cmd_action);
637
638 lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
639 le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
640 le16_to_cpu(prtp->action));
641
642 switch (cmd_action) {
643 case CMD_ACT_TX_POWER_OPT_GET:
644 prtp->action = cpu_to_le16(CMD_ACT_GET);
645 prtp->currentlevel = 0;
646 break;
647
648 case CMD_ACT_TX_POWER_OPT_SET_HIGH:
649 prtp->action = cpu_to_le16(CMD_ACT_SET);
650 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
651 break;
652
653 case CMD_ACT_TX_POWER_OPT_SET_MID:
654 prtp->action = cpu_to_le16(CMD_ACT_SET);
655 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
656 break;
657
658 case CMD_ACT_TX_POWER_OPT_SET_LOW:
659 prtp->action = cpu_to_le16(CMD_ACT_SET);
660 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
661 break;
662 }
663
664 lbs_deb_leave(LBS_DEB_CMD);
665 return 0;
666 }
667
668 static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
669 struct cmd_ds_command *cmd,
670 u16 cmd_action, void *pdata_buf)
671 {
672 struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
673
674 cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
675 cmd->size =
676 cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
677 S_DS_GEN);
678
679 monitor->action = cpu_to_le16(cmd_action);
680 if (cmd_action == CMD_ACT_SET) {
681 monitor->mode =
682 cpu_to_le16((u16) (*(u32 *) pdata_buf));
683 }
684
685 return 0;
686 }
687
688 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
689 struct cmd_ds_command *cmd,
690 u16 cmd_action)
691 {
692 struct cmd_ds_802_11_rate_adapt_rateset
693 *rateadapt = &cmd->params.rateset;
694
695 lbs_deb_enter(LBS_DEB_CMD);
696 cmd->size =
697 cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
698 + S_DS_GEN);
699 cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
700
701 rateadapt->action = cpu_to_le16(cmd_action);
702 rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
703 rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
704
705 lbs_deb_leave(LBS_DEB_CMD);
706 return 0;
707 }
708
709 /**
710 * @brief Get the current data rate
711 *
712 * @param priv A pointer to struct lbs_private structure
713 *
714 * @return The data rate on success, error on failure
715 */
716 int lbs_get_data_rate(struct lbs_private *priv)
717 {
718 struct cmd_ds_802_11_data_rate cmd;
719 int ret = -1;
720
721 lbs_deb_enter(LBS_DEB_CMD);
722
723 memset(&cmd, 0, sizeof(cmd));
724 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
725 cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
726
727 ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, cmd);
728 if (ret)
729 goto out;
730
731 lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
732
733 ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
734 lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
735
736 out:
737 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
738 return ret;
739 }
740
741 /**
742 * @brief Set the data rate
743 *
744 * @param priv A pointer to struct lbs_private structure
745 * @param rate The desired data rate, or 0 to clear a locked rate
746 *
747 * @return 0 on success, error on failure
748 */
749 int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
750 {
751 struct cmd_ds_802_11_data_rate cmd;
752 int ret = 0;
753
754 lbs_deb_enter(LBS_DEB_CMD);
755
756 memset(&cmd, 0, sizeof(cmd));
757 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
758
759 if (rate > 0) {
760 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
761 cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
762 if (cmd.rates[0] == 0) {
763 lbs_deb_cmd("DATA_RATE: invalid requested rate of"
764 " 0x%02X\n", rate);
765 ret = 0;
766 goto out;
767 }
768 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
769 } else {
770 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
771 lbs_deb_cmd("DATA_RATE: setting auto\n");
772 }
773
774 ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, cmd);
775 if (ret)
776 goto out;
777
778 lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
779
780 /* FIXME: get actual rates FW can do if this command actually returns
781 * all data rates supported.
782 */
783 priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
784 lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
785
786 out:
787 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
788 return ret;
789 }
790
791 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
792 struct cmd_ds_command *cmd,
793 u16 cmd_action)
794 {
795 struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
796
797 lbs_deb_enter(LBS_DEB_CMD);
798 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
799 S_DS_GEN);
800 cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
801
802 lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
803 pMCastAdr->action = cpu_to_le16(cmd_action);
804 pMCastAdr->nr_of_adrs =
805 cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
806 memcpy(pMCastAdr->maclist, priv->multicastlist,
807 priv->nr_of_multicastmacaddr * ETH_ALEN);
808
809 lbs_deb_leave(LBS_DEB_CMD);
810 return 0;
811 }
812
813 /**
814 * @brief Get the radio channel
815 *
816 * @param priv A pointer to struct lbs_private structure
817 *
818 * @return The channel on success, error on failure
819 */
820 int lbs_get_channel(struct lbs_private *priv)
821 {
822 struct cmd_ds_802_11_rf_channel cmd;
823 int ret = 0;
824
825 lbs_deb_enter(LBS_DEB_CMD);
826
827 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
828 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
829
830 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, cmd);
831 if (ret)
832 goto out;
833
834 ret = le16_to_cpu(cmd.channel);
835 lbs_deb_cmd("current radio channel is %d\n", ret);
836
837 out:
838 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
839 return ret;
840 }
841
842 /**
843 * @brief Set the radio channel
844 *
845 * @param priv A pointer to struct lbs_private structure
846 * @param channel The desired channel, or 0 to clear a locked channel
847 *
848 * @return 0 on success, error on failure
849 */
850 int lbs_set_channel(struct lbs_private *priv, u8 channel)
851 {
852 struct cmd_ds_802_11_rf_channel cmd;
853 u8 old_channel = priv->curbssparams.channel;
854 int ret = 0;
855
856 lbs_deb_enter(LBS_DEB_CMD);
857
858 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
859 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
860 cmd.channel = cpu_to_le16(channel);
861
862 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, cmd);
863 if (ret)
864 goto out;
865
866 priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
867 lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
868 priv->curbssparams.channel);
869
870 out:
871 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
872 return ret;
873 }
874
875 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
876 struct cmd_ds_command *cmd)
877 {
878
879 lbs_deb_enter(LBS_DEB_CMD);
880 cmd->command = cpu_to_le16(CMD_802_11_RSSI);
881 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
882 cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
883
884 /* reset Beacon SNR/NF/RSSI values */
885 priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
886 priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
887 priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
888 priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
889 priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
890 priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
891
892 lbs_deb_leave(LBS_DEB_CMD);
893 return 0;
894 }
895
896 static int lbs_cmd_reg_access(struct lbs_private *priv,
897 struct cmd_ds_command *cmdptr,
898 u8 cmd_action, void *pdata_buf)
899 {
900 struct lbs_offset_value *offval;
901
902 lbs_deb_enter(LBS_DEB_CMD);
903
904 offval = (struct lbs_offset_value *)pdata_buf;
905
906 switch (le16_to_cpu(cmdptr->command)) {
907 case CMD_MAC_REG_ACCESS:
908 {
909 struct cmd_ds_mac_reg_access *macreg;
910
911 cmdptr->size =
912 cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
913 + S_DS_GEN);
914 macreg =
915 (struct cmd_ds_mac_reg_access *)&cmdptr->params.
916 macreg;
917
918 macreg->action = cpu_to_le16(cmd_action);
919 macreg->offset = cpu_to_le16((u16) offval->offset);
920 macreg->value = cpu_to_le32(offval->value);
921
922 break;
923 }
924
925 case CMD_BBP_REG_ACCESS:
926 {
927 struct cmd_ds_bbp_reg_access *bbpreg;
928
929 cmdptr->size =
930 cpu_to_le16(sizeof
931 (struct cmd_ds_bbp_reg_access)
932 + S_DS_GEN);
933 bbpreg =
934 (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
935 bbpreg;
936
937 bbpreg->action = cpu_to_le16(cmd_action);
938 bbpreg->offset = cpu_to_le16((u16) offval->offset);
939 bbpreg->value = (u8) offval->value;
940
941 break;
942 }
943
944 case CMD_RF_REG_ACCESS:
945 {
946 struct cmd_ds_rf_reg_access *rfreg;
947
948 cmdptr->size =
949 cpu_to_le16(sizeof
950 (struct cmd_ds_rf_reg_access) +
951 S_DS_GEN);
952 rfreg =
953 (struct cmd_ds_rf_reg_access *)&cmdptr->params.
954 rfreg;
955
956 rfreg->action = cpu_to_le16(cmd_action);
957 rfreg->offset = cpu_to_le16((u16) offval->offset);
958 rfreg->value = (u8) offval->value;
959
960 break;
961 }
962
963 default:
964 break;
965 }
966
967 lbs_deb_leave(LBS_DEB_CMD);
968 return 0;
969 }
970
971 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
972 struct cmd_ds_command *cmd,
973 u16 cmd_action)
974 {
975
976 lbs_deb_enter(LBS_DEB_CMD);
977 cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
978 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
979 S_DS_GEN);
980 cmd->result = 0;
981
982 cmd->params.macadd.action = cpu_to_le16(cmd_action);
983
984 if (cmd_action == CMD_ACT_SET) {
985 memcpy(cmd->params.macadd.macadd,
986 priv->current_addr, ETH_ALEN);
987 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
988 }
989
990 lbs_deb_leave(LBS_DEB_CMD);
991 return 0;
992 }
993
994 static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
995 struct cmd_ds_command *cmd,
996 int cmd_action, void *pdata_buf)
997 {
998 struct lbs_ioctl_regrdwr *ea = pdata_buf;
999
1000 lbs_deb_enter(LBS_DEB_CMD);
1001
1002 cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
1003 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
1004 S_DS_GEN);
1005 cmd->result = 0;
1006
1007 cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
1008 cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
1009 cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
1010 cmd->params.rdeeprom.value = 0;
1011
1012 lbs_deb_leave(LBS_DEB_CMD);
1013 return 0;
1014 }
1015
1016 static int lbs_cmd_bt_access(struct lbs_private *priv,
1017 struct cmd_ds_command *cmd,
1018 u16 cmd_action, void *pdata_buf)
1019 {
1020 struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
1021 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1022
1023 cmd->command = cpu_to_le16(CMD_BT_ACCESS);
1024 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
1025 cmd->result = 0;
1026 bt_access->action = cpu_to_le16(cmd_action);
1027
1028 switch (cmd_action) {
1029 case CMD_ACT_BT_ACCESS_ADD:
1030 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
1031 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
1032 break;
1033 case CMD_ACT_BT_ACCESS_DEL:
1034 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
1035 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
1036 break;
1037 case CMD_ACT_BT_ACCESS_LIST:
1038 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1039 break;
1040 case CMD_ACT_BT_ACCESS_RESET:
1041 break;
1042 case CMD_ACT_BT_ACCESS_SET_INVERT:
1043 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1044 break;
1045 case CMD_ACT_BT_ACCESS_GET_INVERT:
1046 break;
1047 default:
1048 break;
1049 }
1050 lbs_deb_leave(LBS_DEB_CMD);
1051 return 0;
1052 }
1053
1054 static int lbs_cmd_fwt_access(struct lbs_private *priv,
1055 struct cmd_ds_command *cmd,
1056 u16 cmd_action, void *pdata_buf)
1057 {
1058 struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
1059 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1060
1061 cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
1062 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
1063 cmd->result = 0;
1064
1065 if (pdata_buf)
1066 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
1067 else
1068 memset(fwt_access, 0, sizeof(*fwt_access));
1069
1070 fwt_access->action = cpu_to_le16(cmd_action);
1071
1072 lbs_deb_leave(LBS_DEB_CMD);
1073 return 0;
1074 }
1075
1076 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1077 struct cmd_ds_mesh_access *cmd)
1078 {
1079 int ret;
1080
1081 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1082
1083 cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1084 cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access) + S_DS_GEN);
1085 cmd->hdr.result = 0;
1086
1087 cmd->action = cpu_to_le16(cmd_action);
1088
1089 ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, (*cmd));
1090
1091 lbs_deb_leave(LBS_DEB_CMD);
1092 return ret;
1093 }
1094 EXPORT_SYMBOL_GPL(lbs_mesh_access);
1095
1096 int lbs_mesh_config(struct lbs_private *priv, int enable)
1097 {
1098 struct cmd_ds_mesh_config cmd;
1099
1100 memset(&cmd, 0, sizeof(cmd));
1101 cmd.action = cpu_to_le16(enable);
1102 cmd.channel = cpu_to_le16(priv->curbssparams.channel);
1103 cmd.type = cpu_to_le16(0x100 + 37);
1104
1105 if (enable) {
1106 cmd.length = cpu_to_le16(priv->mesh_ssid_len);
1107 memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
1108 }
1109
1110 return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, cmd);
1111 }
1112
1113 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1114 struct cmd_ds_command *cmd,
1115 u16 cmd_action)
1116 {
1117 struct cmd_ds_802_11_beacon_control
1118 *bcn_ctrl = &cmd->params.bcn_ctrl;
1119
1120 lbs_deb_enter(LBS_DEB_CMD);
1121 cmd->size =
1122 cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1123 + S_DS_GEN);
1124 cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1125
1126 bcn_ctrl->action = cpu_to_le16(cmd_action);
1127 bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1128 bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1129
1130 lbs_deb_leave(LBS_DEB_CMD);
1131 return 0;
1132 }
1133
1134 /*
1135 * Note: NEVER use lbs_queue_cmd() with addtail==0 other than for
1136 * the command timer, because it does not account for queued commands.
1137 */
1138 void lbs_queue_cmd(struct lbs_private *priv,
1139 struct cmd_ctrl_node *cmdnode,
1140 u8 addtail)
1141 {
1142 unsigned long flags;
1143
1144 lbs_deb_enter(LBS_DEB_HOST);
1145
1146 if (!cmdnode || !cmdnode->cmdbuf) {
1147 lbs_deb_host("QUEUE_CMD: cmdnode or cmdbuf is NULL\n");
1148 goto done;
1149 }
1150
1151 /* Exit_PS command needs to be queued in the header always. */
1152 if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1153 struct cmd_ds_802_11_ps_mode *psm = (void *) cmdnode->cmdbuf;
1154
1155 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1156 if (priv->psstate != PS_STATE_FULL_POWER)
1157 addtail = 0;
1158 }
1159 }
1160
1161 spin_lock_irqsave(&priv->driver_lock, flags);
1162
1163 if (addtail)
1164 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1165 else
1166 list_add(&cmdnode->list, &priv->cmdpendingq);
1167
1168 spin_unlock_irqrestore(&priv->driver_lock, flags);
1169
1170 lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1171 le16_to_cpu(cmdnode->cmdbuf->command));
1172
1173 done:
1174 lbs_deb_leave(LBS_DEB_HOST);
1175 }
1176
1177 /*
1178 * TODO: Fix the issue when DownloadcommandToStation is being called the
1179 * second time when the command times out. All the cmdptr->xxx are in little
1180 * endian and therefore all the comparissions will fail.
1181 * For now - we are not performing the endian conversion the second time - but
1182 * for PS and DEEP_SLEEP we need to worry
1183 */
1184 static int DownloadcommandToStation(struct lbs_private *priv,
1185 struct cmd_ctrl_node *cmdnode)
1186 {
1187 unsigned long flags;
1188 struct cmd_header *cmd;
1189 int ret = -1;
1190 u16 cmdsize;
1191 u16 command;
1192
1193 lbs_deb_enter(LBS_DEB_HOST);
1194
1195 if (!priv || !cmdnode) {
1196 lbs_deb_host("DNLD_CMD: priv or cmdmode is NULL\n");
1197 goto done;
1198 }
1199
1200 cmd = cmdnode->cmdbuf;
1201
1202 spin_lock_irqsave(&priv->driver_lock, flags);
1203 if (!cmd || !cmd->size) {
1204 lbs_deb_host("DNLD_CMD: cmdptr is NULL or zero\n");
1205 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
1206 spin_unlock_irqrestore(&priv->driver_lock, flags);
1207 goto done;
1208 }
1209
1210 priv->cur_cmd = cmdnode;
1211 priv->cur_cmd_retcode = 0;
1212 spin_unlock_irqrestore(&priv->driver_lock, flags);
1213
1214 cmdsize = le16_to_cpu(cmd->size);
1215 command = le16_to_cpu(cmd->command);
1216
1217 lbs_deb_host("DNLD_CMD: command 0x%04x, size %d, jiffies %lu\n",
1218 command, cmdsize, jiffies);
1219 lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1220
1221 cmdnode->cmdwaitqwoken = 0;
1222
1223 ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1224
1225 if (ret != 0) {
1226 lbs_deb_host("DNLD_CMD: hw_host_to_card failed\n");
1227 spin_lock_irqsave(&priv->driver_lock, flags);
1228 priv->cur_cmd_retcode = ret;
1229 __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
1230 priv->cur_cmd = NULL;
1231 spin_unlock_irqrestore(&priv->driver_lock, flags);
1232 goto done;
1233 }
1234
1235 lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies);
1236
1237 /* Setup the timer after transmit command */
1238 if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE
1239 || command == CMD_802_11_ASSOCIATE)
1240 mod_timer(&priv->command_timer, jiffies + (10*HZ));
1241 else
1242 mod_timer(&priv->command_timer, jiffies + (5*HZ));
1243
1244 ret = 0;
1245
1246 done:
1247 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1248 return ret;
1249 }
1250
1251 static int lbs_cmd_mac_control(struct lbs_private *priv,
1252 struct cmd_ds_command *cmd)
1253 {
1254 struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1255
1256 lbs_deb_enter(LBS_DEB_CMD);
1257
1258 cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1259 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1260 mac->action = cpu_to_le16(priv->currentpacketfilter);
1261
1262 lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1263 le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1264
1265 lbs_deb_leave(LBS_DEB_CMD);
1266 return 0;
1267 }
1268
1269 /**
1270 * This function inserts command node to cmdfreeq
1271 * after cleans it. Requires priv->driver_lock held.
1272 */
1273 void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1274 struct cmd_ctrl_node *ptempcmd)
1275 {
1276
1277 if (!ptempcmd)
1278 return;
1279
1280 cleanup_cmdnode(ptempcmd);
1281 list_add_tail(&ptempcmd->list, &priv->cmdfreeq);
1282 }
1283
1284 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1285 struct cmd_ctrl_node *ptempcmd)
1286 {
1287 unsigned long flags;
1288
1289 spin_lock_irqsave(&priv->driver_lock, flags);
1290 __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1291 spin_unlock_irqrestore(&priv->driver_lock, flags);
1292 }
1293
1294 int lbs_set_radio_control(struct lbs_private *priv)
1295 {
1296 int ret = 0;
1297
1298 lbs_deb_enter(LBS_DEB_CMD);
1299
1300 ret = lbs_prepare_and_send_command(priv,
1301 CMD_802_11_RADIO_CONTROL,
1302 CMD_ACT_SET,
1303 CMD_OPTION_WAITFORRSP, 0, NULL);
1304
1305 lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n",
1306 priv->radioon, priv->preamble);
1307
1308 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1309 return ret;
1310 }
1311
1312 int lbs_set_mac_packet_filter(struct lbs_private *priv)
1313 {
1314 int ret = 0;
1315
1316 lbs_deb_enter(LBS_DEB_CMD);
1317
1318 /* Send MAC control command to station */
1319 ret = lbs_prepare_and_send_command(priv,
1320 CMD_MAC_CONTROL, 0, 0, 0, NULL);
1321
1322 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1323 return ret;
1324 }
1325
1326 /**
1327 * @brief This function prepare the command before send to firmware.
1328 *
1329 * @param priv A pointer to struct lbs_private structure
1330 * @param cmd_no command number
1331 * @param cmd_action command action: GET or SET
1332 * @param wait_option wait option: wait response or not
1333 * @param cmd_oid cmd oid: treated as sub command
1334 * @param pdata_buf A pointer to informaion buffer
1335 * @return 0 or -1
1336 */
1337 int lbs_prepare_and_send_command(struct lbs_private *priv,
1338 u16 cmd_no,
1339 u16 cmd_action,
1340 u16 wait_option, u32 cmd_oid, void *pdata_buf)
1341 {
1342 int ret = 0;
1343 struct cmd_ctrl_node *cmdnode;
1344 struct cmd_ds_command *cmdptr;
1345 unsigned long flags;
1346
1347 lbs_deb_enter(LBS_DEB_HOST);
1348
1349 if (!priv) {
1350 lbs_deb_host("PREP_CMD: priv is NULL\n");
1351 ret = -1;
1352 goto done;
1353 }
1354
1355 if (priv->surpriseremoved) {
1356 lbs_deb_host("PREP_CMD: card removed\n");
1357 ret = -1;
1358 goto done;
1359 }
1360
1361 cmdnode = lbs_get_cmd_ctrl_node(priv);
1362
1363 if (cmdnode == NULL) {
1364 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1365
1366 /* Wake up main thread to execute next command */
1367 wake_up_interruptible(&priv->waitq);
1368 ret = -1;
1369 goto done;
1370 }
1371
1372 lbs_set_cmd_ctrl_node(priv, cmdnode, wait_option, pdata_buf);
1373
1374 cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1375
1376 lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1377
1378 if (!cmdptr) {
1379 lbs_deb_host("PREP_CMD: cmdptr is NULL\n");
1380 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1381 ret = -1;
1382 goto done;
1383 }
1384
1385 /* Set sequence number, command and INT option */
1386 priv->seqnum++;
1387 cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1388
1389 cmdptr->command = cpu_to_le16(cmd_no);
1390 cmdptr->result = 0;
1391
1392 switch (cmd_no) {
1393 case CMD_802_11_PS_MODE:
1394 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1395 break;
1396
1397 case CMD_802_11_SCAN:
1398 ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
1399 break;
1400
1401 case CMD_MAC_CONTROL:
1402 ret = lbs_cmd_mac_control(priv, cmdptr);
1403 break;
1404
1405 case CMD_802_11_ASSOCIATE:
1406 case CMD_802_11_REASSOCIATE:
1407 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1408 break;
1409
1410 case CMD_802_11_DEAUTHENTICATE:
1411 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1412 break;
1413
1414 case CMD_802_11_SET_WEP:
1415 ret = lbs_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1416 break;
1417
1418 case CMD_802_11_AD_HOC_START:
1419 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1420 break;
1421 case CMD_CODE_DNLD:
1422 break;
1423
1424 case CMD_802_11_RESET:
1425 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1426 break;
1427
1428 case CMD_802_11_GET_LOG:
1429 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1430 break;
1431
1432 case CMD_802_11_AUTHENTICATE:
1433 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1434 break;
1435
1436 case CMD_802_11_GET_STAT:
1437 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1438 break;
1439
1440 case CMD_802_11_SNMP_MIB:
1441 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1442 cmd_action, cmd_oid, pdata_buf);
1443 break;
1444
1445 case CMD_MAC_REG_ACCESS:
1446 case CMD_BBP_REG_ACCESS:
1447 case CMD_RF_REG_ACCESS:
1448 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1449 break;
1450
1451 case CMD_802_11_RF_TX_POWER:
1452 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1453 cmd_action, pdata_buf);
1454 break;
1455
1456 case CMD_802_11_RADIO_CONTROL:
1457 ret = lbs_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1458 break;
1459
1460 case CMD_802_11_RATE_ADAPT_RATESET:
1461 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1462 cmdptr, cmd_action);
1463 break;
1464
1465 case CMD_MAC_MULTICAST_ADR:
1466 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1467 break;
1468
1469 case CMD_802_11_MONITOR_MODE:
1470 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1471 cmd_action, pdata_buf);
1472 break;
1473
1474 case CMD_802_11_AD_HOC_JOIN:
1475 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1476 break;
1477
1478 case CMD_802_11_RSSI:
1479 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1480 break;
1481
1482 case CMD_802_11_AD_HOC_STOP:
1483 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1484 break;
1485
1486 case CMD_802_11_ENABLE_RSN:
1487 ret = lbs_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
1488 pdata_buf);
1489 break;
1490
1491 case CMD_802_11_KEY_MATERIAL:
1492 ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1493 cmd_oid, pdata_buf);
1494 break;
1495
1496 case CMD_802_11_PAIRWISE_TSC:
1497 break;
1498 case CMD_802_11_GROUP_TSC:
1499 break;
1500
1501 case CMD_802_11_MAC_ADDRESS:
1502 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1503 break;
1504
1505 case CMD_802_11_EEPROM_ACCESS:
1506 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1507 cmd_action, pdata_buf);
1508 break;
1509
1510 case CMD_802_11_SET_AFC:
1511 case CMD_802_11_GET_AFC:
1512
1513 cmdptr->command = cpu_to_le16(cmd_no);
1514 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1515 S_DS_GEN);
1516
1517 memmove(&cmdptr->params.afc,
1518 pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1519
1520 ret = 0;
1521 goto done;
1522
1523 case CMD_802_11D_DOMAIN_INFO:
1524 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1525 cmd_no, cmd_action);
1526 break;
1527
1528 case CMD_802_11_SLEEP_PARAMS:
1529 ret = lbs_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1530 break;
1531 case CMD_802_11_INACTIVITY_TIMEOUT:
1532 ret = lbs_cmd_802_11_inactivity_timeout(priv, cmdptr,
1533 cmd_action, pdata_buf);
1534 lbs_set_cmd_ctrl_node(priv, cmdnode, 0, pdata_buf);
1535 break;
1536
1537 case CMD_802_11_TPC_CFG:
1538 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1539 cmdptr->size =
1540 cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1541 S_DS_GEN);
1542
1543 memmove(&cmdptr->params.tpccfg,
1544 pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1545
1546 ret = 0;
1547 break;
1548 case CMD_802_11_LED_GPIO_CTRL:
1549 {
1550 struct mrvlietypes_ledgpio *gpio =
1551 (struct mrvlietypes_ledgpio*)
1552 cmdptr->params.ledgpio.data;
1553
1554 memmove(&cmdptr->params.ledgpio,
1555 pdata_buf,
1556 sizeof(struct cmd_ds_802_11_led_ctrl));
1557
1558 cmdptr->command =
1559 cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1560
1561 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1562 cmdptr->size =
1563 cpu_to_le16(le16_to_cpu(gpio->header.len)
1564 + S_DS_GEN
1565 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1566 gpio->header.len = gpio->header.len;
1567
1568 ret = 0;
1569 break;
1570 }
1571 case CMD_802_11_SUBSCRIBE_EVENT:
1572 lbs_cmd_802_11_subscribe_event(priv, cmdptr,
1573 cmd_action, pdata_buf);
1574 break;
1575 case CMD_802_11_PWR_CFG:
1576 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1577 cmdptr->size =
1578 cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1579 S_DS_GEN);
1580 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1581 sizeof(struct cmd_ds_802_11_pwr_cfg));
1582
1583 ret = 0;
1584 break;
1585 case CMD_BT_ACCESS:
1586 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1587 break;
1588
1589 case CMD_FWT_ACCESS:
1590 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1591 break;
1592
1593 case CMD_GET_TSF:
1594 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1595 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1596 S_DS_GEN);
1597 ret = 0;
1598 break;
1599 case CMD_802_11_BEACON_CTRL:
1600 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1601 break;
1602 default:
1603 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1604 ret = -1;
1605 break;
1606 }
1607
1608 /* return error, since the command preparation failed */
1609 if (ret != 0) {
1610 lbs_deb_host("PREP_CMD: command preparation failed\n");
1611 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1612 ret = -1;
1613 goto done;
1614 }
1615
1616 cmdnode->cmdwaitqwoken = 0;
1617
1618 lbs_queue_cmd(priv, cmdnode, 1);
1619 wake_up_interruptible(&priv->waitq);
1620
1621 if (wait_option & CMD_OPTION_WAITFORRSP) {
1622 lbs_deb_host("PREP_CMD: wait for response\n");
1623 might_sleep();
1624 wait_event_interruptible(cmdnode->cmdwait_q,
1625 cmdnode->cmdwaitqwoken);
1626 }
1627
1628 spin_lock_irqsave(&priv->driver_lock, flags);
1629 if (priv->cur_cmd_retcode) {
1630 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1631 priv->cur_cmd_retcode);
1632 priv->cur_cmd_retcode = 0;
1633 ret = -1;
1634 }
1635 spin_unlock_irqrestore(&priv->driver_lock, flags);
1636
1637 done:
1638 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1639 return ret;
1640 }
1641 EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
1642
1643 /**
1644 * @brief This function allocates the command buffer and link
1645 * it to command free queue.
1646 *
1647 * @param priv A pointer to struct lbs_private structure
1648 * @return 0 or -1
1649 */
1650 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1651 {
1652 int ret = 0;
1653 u32 bufsize;
1654 u32 i;
1655 struct cmd_ctrl_node *cmdarray;
1656
1657 lbs_deb_enter(LBS_DEB_HOST);
1658
1659 /* Allocate and initialize the command array */
1660 bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1661 if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1662 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1663 ret = -1;
1664 goto done;
1665 }
1666 priv->cmd_array = cmdarray;
1667
1668 /* Allocate and initialize each command buffer in the command array */
1669 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1670 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1671 if (!cmdarray[i].cmdbuf) {
1672 lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1673 ret = -1;
1674 goto done;
1675 }
1676 }
1677
1678 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1679 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1680 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1681 }
1682 ret = 0;
1683
1684 done:
1685 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1686 return ret;
1687 }
1688
1689 /**
1690 * @brief This function frees the command buffer.
1691 *
1692 * @param priv A pointer to struct lbs_private structure
1693 * @return 0 or -1
1694 */
1695 int lbs_free_cmd_buffer(struct lbs_private *priv)
1696 {
1697 struct cmd_ctrl_node *cmdarray;
1698 unsigned int i;
1699
1700 lbs_deb_enter(LBS_DEB_HOST);
1701
1702 /* need to check if cmd array is allocated or not */
1703 if (priv->cmd_array == NULL) {
1704 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1705 goto done;
1706 }
1707
1708 cmdarray = priv->cmd_array;
1709
1710 /* Release shared memory buffers */
1711 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1712 if (cmdarray[i].cmdbuf) {
1713 kfree(cmdarray[i].cmdbuf);
1714 cmdarray[i].cmdbuf = NULL;
1715 }
1716 }
1717
1718 /* Release cmd_ctrl_node */
1719 if (priv->cmd_array) {
1720 kfree(priv->cmd_array);
1721 priv->cmd_array = NULL;
1722 }
1723
1724 done:
1725 lbs_deb_leave(LBS_DEB_HOST);
1726 return 0;
1727 }
1728
1729 /**
1730 * @brief This function gets a free command node if available in
1731 * command free queue.
1732 *
1733 * @param priv A pointer to struct lbs_private structure
1734 * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1735 */
1736 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1737 {
1738 struct cmd_ctrl_node *tempnode;
1739 unsigned long flags;
1740
1741 lbs_deb_enter(LBS_DEB_HOST);
1742
1743 if (!priv)
1744 return NULL;
1745
1746 spin_lock_irqsave(&priv->driver_lock, flags);
1747
1748 if (!list_empty(&priv->cmdfreeq)) {
1749 tempnode = list_first_entry(&priv->cmdfreeq,
1750 struct cmd_ctrl_node, list);
1751 list_del(&tempnode->list);
1752 } else {
1753 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1754 tempnode = NULL;
1755 }
1756
1757 spin_unlock_irqrestore(&priv->driver_lock, flags);
1758
1759 if (tempnode)
1760 cleanup_cmdnode(tempnode);
1761
1762 lbs_deb_leave(LBS_DEB_HOST);
1763 return tempnode;
1764 }
1765
1766 /**
1767 * @brief This function cleans command node.
1768 *
1769 * @param ptempnode A pointer to cmdCtrlNode structure
1770 * @return n/a
1771 */
1772 static void cleanup_cmdnode(struct cmd_ctrl_node *cmdnode)
1773 {
1774 lbs_deb_enter(LBS_DEB_HOST);
1775
1776 if (!cmdnode)
1777 return;
1778 cmdnode->cmdwaitqwoken = 1;
1779 wake_up_interruptible(&cmdnode->cmdwait_q);
1780 cmdnode->wait_option = 0;
1781 cmdnode->pdata_buf = NULL;
1782 cmdnode->callback = NULL;
1783 cmdnode->callback_arg = 0;
1784
1785 if (cmdnode->cmdbuf != NULL)
1786 memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1787
1788 lbs_deb_leave(LBS_DEB_HOST);
1789 }
1790
1791 /**
1792 * @brief This function initializes the command node.
1793 *
1794 * @param priv A pointer to struct lbs_private structure
1795 * @param ptempnode A pointer to cmd_ctrl_node structure
1796 * @param wait_option wait option: wait response or not
1797 * @param pdata_buf A pointer to informaion buffer
1798 * @return 0 or -1
1799 */
1800 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1801 struct cmd_ctrl_node *ptempnode,
1802 u16 wait_option, void *pdata_buf)
1803 {
1804 lbs_deb_enter(LBS_DEB_HOST);
1805
1806 if (!ptempnode)
1807 return;
1808
1809 ptempnode->wait_option = wait_option;
1810 ptempnode->pdata_buf = pdata_buf;
1811 ptempnode->callback = NULL;
1812 ptempnode->callback_arg = 0;
1813
1814 lbs_deb_leave(LBS_DEB_HOST);
1815 }
1816
1817 /**
1818 * @brief This function executes next command in command
1819 * pending queue. It will put fimware back to PS mode
1820 * if applicable.
1821 *
1822 * @param priv A pointer to struct lbs_private structure
1823 * @return 0 or -1
1824 */
1825 int lbs_execute_next_command(struct lbs_private *priv)
1826 {
1827 struct cmd_ctrl_node *cmdnode = NULL;
1828 struct cmd_header *cmd;
1829 unsigned long flags;
1830 int ret = 0;
1831
1832 // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1833 // only caller to us is lbs_thread() and we get even when a
1834 // data packet is received
1835 lbs_deb_enter(LBS_DEB_THREAD);
1836
1837 spin_lock_irqsave(&priv->driver_lock, flags);
1838
1839 if (priv->cur_cmd) {
1840 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1841 spin_unlock_irqrestore(&priv->driver_lock, flags);
1842 ret = -1;
1843 goto done;
1844 }
1845
1846 if (!list_empty(&priv->cmdpendingq)) {
1847 cmdnode = list_first_entry(&priv->cmdpendingq,
1848 struct cmd_ctrl_node, list);
1849 }
1850
1851 spin_unlock_irqrestore(&priv->driver_lock, flags);
1852
1853 if (cmdnode) {
1854 cmd = cmdnode->cmdbuf;
1855
1856 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1857 if ((priv->psstate == PS_STATE_SLEEP) ||
1858 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1859 lbs_deb_host(
1860 "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1861 le16_to_cpu(cmd->command),
1862 priv->psstate);
1863 ret = -1;
1864 goto done;
1865 }
1866 lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1867 "0x%04x in psstate %d\n",
1868 le16_to_cpu(cmd->command), priv->psstate);
1869 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1870 /*
1871 * 1. Non-PS command:
1872 * Queue it. set needtowakeup to TRUE if current state
1873 * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1874 * 2. PS command but not Exit_PS:
1875 * Ignore it.
1876 * 3. PS command Exit_PS:
1877 * Set needtowakeup to TRUE if current state is SLEEP,
1878 * otherwise send this command down to firmware
1879 * immediately.
1880 */
1881 if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1882 /* Prepare to send Exit PS,
1883 * this non PS command will be sent later */
1884 if ((priv->psstate == PS_STATE_SLEEP)
1885 || (priv->psstate == PS_STATE_PRE_SLEEP)
1886 ) {
1887 /* w/ new scheme, it will not reach here.
1888 since it is blocked in main_thread. */
1889 priv->needtowakeup = 1;
1890 } else
1891 lbs_ps_wakeup(priv, 0);
1892
1893 ret = 0;
1894 goto done;
1895 } else {
1896 /*
1897 * PS command. Ignore it if it is not Exit_PS.
1898 * otherwise send it down immediately.
1899 */
1900 struct cmd_ds_802_11_ps_mode *psm = (void *)cmd;
1901
1902 lbs_deb_host(
1903 "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1904 psm->action);
1905 if (psm->action !=
1906 cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1907 lbs_deb_host(
1908 "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1909 list_del(&cmdnode->list);
1910 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1911
1912 ret = 0;
1913 goto done;
1914 }
1915
1916 if ((priv->psstate == PS_STATE_SLEEP) ||
1917 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1918 lbs_deb_host(
1919 "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1920 list_del(&cmdnode->list);
1921 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1922 priv->needtowakeup = 1;
1923
1924 ret = 0;
1925 goto done;
1926 }
1927
1928 lbs_deb_host(
1929 "EXEC_NEXT_CMD: sending EXIT_PS\n");
1930 }
1931 }
1932 list_del(&cmdnode->list);
1933 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1934 le16_to_cpu(cmd->command));
1935 DownloadcommandToStation(priv, cmdnode);
1936 } else {
1937 /*
1938 * check if in power save mode, if yes, put the device back
1939 * to PS mode
1940 */
1941 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1942 (priv->psstate == PS_STATE_FULL_POWER) &&
1943 ((priv->connect_status == LBS_CONNECTED) ||
1944 (priv->mesh_connect_status == LBS_CONNECTED))) {
1945 if (priv->secinfo.WPAenabled ||
1946 priv->secinfo.WPA2enabled) {
1947 /* check for valid WPA group keys */
1948 if (priv->wpa_mcast_key.len ||
1949 priv->wpa_unicast_key.len) {
1950 lbs_deb_host(
1951 "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1952 " go back to PS_SLEEP");
1953 lbs_ps_sleep(priv, 0);
1954 }
1955 } else {
1956 lbs_deb_host(
1957 "EXEC_NEXT_CMD: cmdpendingq empty, "
1958 "go back to PS_SLEEP");
1959 lbs_ps_sleep(priv, 0);
1960 }
1961 }
1962 }
1963
1964 ret = 0;
1965 done:
1966 lbs_deb_leave(LBS_DEB_THREAD);
1967 return ret;
1968 }
1969
1970 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1971 {
1972 union iwreq_data iwrq;
1973 u8 buf[50];
1974
1975 lbs_deb_enter(LBS_DEB_WEXT);
1976
1977 memset(&iwrq, 0, sizeof(union iwreq_data));
1978 memset(buf, 0, sizeof(buf));
1979
1980 snprintf(buf, sizeof(buf) - 1, "%s", str);
1981
1982 iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1983
1984 /* Send Event to upper layer */
1985 lbs_deb_wext("event indication string %s\n", (char *)buf);
1986 lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1987 lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1988
1989 wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1990
1991 lbs_deb_leave(LBS_DEB_WEXT);
1992 }
1993
1994 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1995 {
1996 unsigned long flags;
1997 int ret = 0;
1998
1999 lbs_deb_enter(LBS_DEB_HOST);
2000
2001 lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
2002 size);
2003
2004 lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
2005
2006 ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
2007 priv->dnld_sent = DNLD_RES_RECEIVED;
2008
2009 spin_lock_irqsave(&priv->driver_lock, flags);
2010 if (priv->intcounter || priv->currenttxskb)
2011 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
2012 priv->intcounter, priv->currenttxskb);
2013 spin_unlock_irqrestore(&priv->driver_lock, flags);
2014
2015 if (ret) {
2016 lbs_pr_alert(
2017 "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
2018 } else {
2019 spin_lock_irqsave(&priv->driver_lock, flags);
2020 if (!priv->intcounter) {
2021 priv->psstate = PS_STATE_SLEEP;
2022 } else {
2023 lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
2024 priv->intcounter);
2025 }
2026 spin_unlock_irqrestore(&priv->driver_lock, flags);
2027
2028 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
2029 }
2030
2031 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2032 return ret;
2033 }
2034
2035 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
2036 {
2037 lbs_deb_enter(LBS_DEB_HOST);
2038
2039 /*
2040 * PS is currently supported only in Infrastructure mode
2041 * Remove this check if it is to be supported in IBSS mode also
2042 */
2043
2044 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2045 CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
2046
2047 lbs_deb_leave(LBS_DEB_HOST);
2048 }
2049
2050 /**
2051 * @brief This function sends Exit_PS command to firmware.
2052 *
2053 * @param priv A pointer to struct lbs_private structure
2054 * @param wait_option wait response or not
2055 * @return n/a
2056 */
2057 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
2058 {
2059 __le32 Localpsmode;
2060
2061 lbs_deb_enter(LBS_DEB_HOST);
2062
2063 Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
2064
2065 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2066 CMD_SUBCMD_EXIT_PS,
2067 wait_option, 0, &Localpsmode);
2068
2069 lbs_deb_leave(LBS_DEB_HOST);
2070 }
2071
2072 /**
2073 * @brief This function checks condition and prepares to
2074 * send sleep confirm command to firmware if ok.
2075 *
2076 * @param priv A pointer to struct lbs_private structure
2077 * @param psmode Power Saving mode
2078 * @return n/a
2079 */
2080 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
2081 {
2082 unsigned long flags =0;
2083 u8 allowed = 1;
2084
2085 lbs_deb_enter(LBS_DEB_HOST);
2086
2087 if (priv->dnld_sent) {
2088 allowed = 0;
2089 lbs_deb_host("dnld_sent was set");
2090 }
2091
2092 spin_lock_irqsave(&priv->driver_lock, flags);
2093 if (priv->cur_cmd) {
2094 allowed = 0;
2095 lbs_deb_host("cur_cmd was set");
2096 }
2097 if (priv->intcounter > 0) {
2098 allowed = 0;
2099 lbs_deb_host("intcounter %d", priv->intcounter);
2100 }
2101 spin_unlock_irqrestore(&priv->driver_lock, flags);
2102
2103 if (allowed) {
2104 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2105 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2106 sizeof(struct PS_CMD_ConfirmSleep));
2107 } else {
2108 lbs_deb_host("sleep confirm has been delayed\n");
2109 }
2110
2111 lbs_deb_leave(LBS_DEB_HOST);
2112 }
2113
2114
2115 /**
2116 * @brief Simple callback that copies response back into command
2117 *
2118 * @param priv A pointer to struct lbs_private structure
2119 * @param extra A pointer to the original command structure for which
2120 * 'resp' is a response
2121 * @param resp A pointer to the command response
2122 *
2123 * @return 0 on success, error on failure
2124 */
2125 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
2126 struct cmd_header *resp)
2127 {
2128 struct cmd_header *buf = (void *)extra;
2129 uint16_t copy_len;
2130
2131 lbs_deb_enter(LBS_DEB_CMD);
2132
2133 copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
2134 lbs_deb_cmd("Copying back %u bytes; command response was %u bytes, "
2135 "copy back buffer was %u bytes\n", copy_len,
2136 le16_to_cpu(resp->size), le16_to_cpu(buf->size));
2137 memcpy(buf, resp, copy_len);
2138
2139 lbs_deb_leave(LBS_DEB_CMD);
2140 return 0;
2141 }
2142
2143 /**
2144 * @brief Simple way to call firmware functions
2145 *
2146 * @param priv A pointer to struct lbs_private structure
2147 * @param psmode one of the many CMD_802_11_xxxx
2148 * @param cmd pointer to the parameters structure for above command
2149 * (this should not include the command, size, sequence
2150 * and result fields from struct cmd_ds_gen)
2151 * @param cmd_size size structure pointed to by cmd
2152 * @param rsp pointer to an area where the result should be placed
2153 * @param rsp_size pointer to the size of the rsp area. If the firmware
2154 * returns fewer bytes, then this *rsp_size will be
2155 * changed to the actual size.
2156 * @return -1 in case of a higher level error, otherwise
2157 * the result code from the firmware
2158 */
2159 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2160 struct cmd_header *in_cmd, int in_cmd_size,
2161 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2162 unsigned long callback_arg)
2163 {
2164 struct cmd_ctrl_node *cmdnode;
2165 unsigned long flags;
2166 int ret = 0;
2167
2168 lbs_deb_enter(LBS_DEB_HOST);
2169
2170 if (!priv) {
2171 lbs_deb_host("PREP_CMD: priv is NULL\n");
2172 ret = -1;
2173 goto done;
2174 }
2175
2176 if (priv->surpriseremoved) {
2177 lbs_deb_host("PREP_CMD: card removed\n");
2178 ret = -1;
2179 goto done;
2180 }
2181
2182 cmdnode = lbs_get_cmd_ctrl_node(priv);
2183 if (cmdnode == NULL) {
2184 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2185
2186 /* Wake up main thread to execute next command */
2187 wake_up_interruptible(&priv->waitq);
2188 ret = -1;
2189 goto done;
2190 }
2191
2192 cmdnode->wait_option = CMD_OPTION_WAITFORRSP;
2193 cmdnode->callback = callback;
2194 cmdnode->callback_arg = callback_arg;
2195
2196 /* Copy the incoming command to the buffer */
2197 memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2198
2199 /* Set sequence number, clean result, move to buffer */
2200 priv->seqnum++;
2201 cmdnode->cmdbuf->command = cpu_to_le16(command);
2202 cmdnode->cmdbuf->size = cpu_to_le16(in_cmd_size);
2203 cmdnode->cmdbuf->seqnum = cpu_to_le16(priv->seqnum);
2204 cmdnode->cmdbuf->result = 0;
2205
2206 lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2207
2208 /* here was the big old switch() statement, which is now obsolete,
2209 * because the caller of lbs_cmd() sets up all of *cmd for us. */
2210
2211 cmdnode->cmdwaitqwoken = 0;
2212 lbs_queue_cmd(priv, cmdnode, 1);
2213 wake_up_interruptible(&priv->waitq);
2214
2215 might_sleep();
2216 wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2217
2218 spin_lock_irqsave(&priv->driver_lock, flags);
2219 if (priv->cur_cmd_retcode) {
2220 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
2221 priv->cur_cmd_retcode);
2222 priv->cur_cmd_retcode = 0;
2223 ret = -1;
2224 }
2225 spin_unlock_irqrestore(&priv->driver_lock, flags);
2226
2227 done:
2228 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2229 return ret;
2230 }
2231 EXPORT_SYMBOL_GPL(__lbs_cmd);
2232
2233
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