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libertas: rename packetfilter to mac_control
[deliverable/linux.git] / drivers / net / wireless / libertas / 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 struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
17 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
18 struct cmd_ctrl_node *ptempnode,
19 void *pdata_buf);
20
21
22 /**
23 * @brief Checks whether a command is allowed in Power Save mode
24 *
25 * @param command the command ID
26 * @return 1 if allowed, 0 if not allowed
27 */
28 static u8 is_command_allowed_in_ps(u16 cmd)
29 {
30 switch (cmd) {
31 case CMD_802_11_RSSI:
32 return 1;
33 default:
34 break;
35 }
36 return 0;
37 }
38
39 /**
40 * @brief Updates the hardware details like MAC address and regulatory region
41 *
42 * @param priv A pointer to struct lbs_private structure
43 *
44 * @return 0 on success, error on failure
45 */
46 int lbs_update_hw_spec(struct lbs_private *priv)
47 {
48 struct cmd_ds_get_hw_spec cmd;
49 int ret = -1;
50 u32 i;
51 DECLARE_MAC_BUF(mac);
52
53 lbs_deb_enter(LBS_DEB_CMD);
54
55 memset(&cmd, 0, sizeof(cmd));
56 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
57 memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
58 ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd);
59 if (ret)
60 goto out;
61
62 priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
63
64 /* The firmware release is in an interesting format: the patch
65 * level is in the most significant nibble ... so fix that: */
66 priv->fwrelease = le32_to_cpu(cmd.fwrelease);
67 priv->fwrelease = (priv->fwrelease << 8) |
68 (priv->fwrelease >> 24 & 0xff);
69
70 /* Some firmware capabilities:
71 * CF card firmware 5.0.16p0: cap 0x00000303
72 * USB dongle firmware 5.110.17p2: cap 0x00000303
73 */
74 printk("libertas: %s, fw %u.%u.%up%u, cap 0x%08x\n",
75 print_mac(mac, cmd.permanentaddr),
76 priv->fwrelease >> 24 & 0xff,
77 priv->fwrelease >> 16 & 0xff,
78 priv->fwrelease >> 8 & 0xff,
79 priv->fwrelease & 0xff,
80 priv->fwcapinfo);
81 lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
82 cmd.hwifversion, cmd.version);
83
84 /* Clamp region code to 8-bit since FW spec indicates that it should
85 * only ever be 8-bit, even though the field size is 16-bit. Some firmware
86 * returns non-zero high 8 bits here.
87 */
88 priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
89
90 for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
91 /* use the region code to search for the index */
92 if (priv->regioncode == lbs_region_code_to_index[i])
93 break;
94 }
95
96 /* if it's unidentified region code, use the default (USA) */
97 if (i >= MRVDRV_MAX_REGION_CODE) {
98 priv->regioncode = 0x10;
99 lbs_pr_info("unidentified region code; using the default (USA)\n");
100 }
101
102 if (priv->current_addr[0] == 0xff)
103 memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
104
105 memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
106 if (priv->mesh_dev)
107 memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
108
109 if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
110 ret = -1;
111 goto out;
112 }
113
114 if (lbs_set_universaltable(priv, 0)) {
115 ret = -1;
116 goto out;
117 }
118
119 out:
120 lbs_deb_leave(LBS_DEB_CMD);
121 return ret;
122 }
123
124 int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria)
125 {
126 struct cmd_ds_host_sleep cmd_config;
127 int ret;
128
129 cmd_config.hdr.size = cpu_to_le16(sizeof(cmd_config));
130 cmd_config.criteria = cpu_to_le32(criteria);
131 cmd_config.gpio = priv->wol_gpio;
132 cmd_config.gap = priv->wol_gap;
133
134 ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config);
135 if (!ret) {
136 lbs_deb_cmd("Set WOL criteria to %x\n", criteria);
137 priv->wol_criteria = criteria;
138 } else {
139 lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
140 }
141
142 return ret;
143 }
144 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
145
146 static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
147 struct cmd_ds_command *cmd,
148 u16 cmd_action)
149 {
150 struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
151
152 lbs_deb_enter(LBS_DEB_CMD);
153
154 cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
155 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
156 S_DS_GEN);
157 psm->action = cpu_to_le16(cmd_action);
158 psm->multipledtim = 0;
159 switch (cmd_action) {
160 case CMD_SUBCMD_ENTER_PS:
161 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
162
163 psm->locallisteninterval = 0;
164 psm->nullpktinterval = 0;
165 psm->multipledtim =
166 cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
167 break;
168
169 case CMD_SUBCMD_EXIT_PS:
170 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
171 break;
172
173 case CMD_SUBCMD_SLEEP_CONFIRMED:
174 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
175 break;
176
177 default:
178 break;
179 }
180
181 lbs_deb_leave(LBS_DEB_CMD);
182 return 0;
183 }
184
185 int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
186 uint16_t cmd_action, uint16_t *timeout)
187 {
188 struct cmd_ds_802_11_inactivity_timeout cmd;
189 int ret;
190
191 lbs_deb_enter(LBS_DEB_CMD);
192
193 cmd.hdr.command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
194 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
195
196 cmd.action = cpu_to_le16(cmd_action);
197
198 if (cmd_action == CMD_ACT_SET)
199 cmd.timeout = cpu_to_le16(*timeout);
200 else
201 cmd.timeout = 0;
202
203 ret = lbs_cmd_with_response(priv, CMD_802_11_INACTIVITY_TIMEOUT, &cmd);
204
205 if (!ret)
206 *timeout = le16_to_cpu(cmd.timeout);
207
208 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
209 return 0;
210 }
211
212 int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action,
213 struct sleep_params *sp)
214 {
215 struct cmd_ds_802_11_sleep_params cmd;
216 int ret;
217
218 lbs_deb_enter(LBS_DEB_CMD);
219
220 if (cmd_action == CMD_ACT_GET) {
221 memset(&cmd, 0, sizeof(cmd));
222 } else {
223 cmd.error = cpu_to_le16(sp->sp_error);
224 cmd.offset = cpu_to_le16(sp->sp_offset);
225 cmd.stabletime = cpu_to_le16(sp->sp_stabletime);
226 cmd.calcontrol = sp->sp_calcontrol;
227 cmd.externalsleepclk = sp->sp_extsleepclk;
228 cmd.reserved = cpu_to_le16(sp->sp_reserved);
229 }
230 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
231 cmd.action = cpu_to_le16(cmd_action);
232
233 ret = lbs_cmd_with_response(priv, CMD_802_11_SLEEP_PARAMS, &cmd);
234
235 if (!ret) {
236 lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, "
237 "calcontrol 0x%x extsleepclk 0x%x\n",
238 le16_to_cpu(cmd.error), le16_to_cpu(cmd.offset),
239 le16_to_cpu(cmd.stabletime), cmd.calcontrol,
240 cmd.externalsleepclk);
241
242 sp->sp_error = le16_to_cpu(cmd.error);
243 sp->sp_offset = le16_to_cpu(cmd.offset);
244 sp->sp_stabletime = le16_to_cpu(cmd.stabletime);
245 sp->sp_calcontrol = cmd.calcontrol;
246 sp->sp_extsleepclk = cmd.externalsleepclk;
247 sp->sp_reserved = le16_to_cpu(cmd.reserved);
248 }
249
250 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
251 return 0;
252 }
253
254 int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
255 struct assoc_request *assoc)
256 {
257 struct cmd_ds_802_11_set_wep cmd;
258 int ret = 0;
259
260 lbs_deb_enter(LBS_DEB_CMD);
261
262 cmd.hdr.command = cpu_to_le16(CMD_802_11_SET_WEP);
263 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
264
265 cmd.action = cpu_to_le16(cmd_action);
266
267 if (cmd_action == CMD_ACT_ADD) {
268 int i;
269
270 /* default tx key index */
271 cmd.keyindex = cpu_to_le16(assoc->wep_tx_keyidx &
272 CMD_WEP_KEY_INDEX_MASK);
273
274 /* Copy key types and material to host command structure */
275 for (i = 0; i < 4; i++) {
276 struct enc_key *pkey = &assoc->wep_keys[i];
277
278 switch (pkey->len) {
279 case KEY_LEN_WEP_40:
280 cmd.keytype[i] = CMD_TYPE_WEP_40_BIT;
281 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
282 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
283 break;
284 case KEY_LEN_WEP_104:
285 cmd.keytype[i] = CMD_TYPE_WEP_104_BIT;
286 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
287 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
288 break;
289 case 0:
290 break;
291 default:
292 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
293 i, pkey->len);
294 ret = -1;
295 goto done;
296 break;
297 }
298 }
299 } else if (cmd_action == CMD_ACT_REMOVE) {
300 /* ACT_REMOVE clears _all_ WEP keys */
301
302 /* default tx key index */
303 cmd.keyindex = cpu_to_le16(priv->wep_tx_keyidx &
304 CMD_WEP_KEY_INDEX_MASK);
305 lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
306 }
307
308 ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
309 done:
310 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
311 return ret;
312 }
313
314 int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
315 uint16_t *enable)
316 {
317 struct cmd_ds_802_11_enable_rsn cmd;
318 int ret;
319
320 lbs_deb_enter(LBS_DEB_CMD);
321
322 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
323 cmd.action = cpu_to_le16(cmd_action);
324
325 if (cmd_action == CMD_ACT_SET) {
326 if (*enable)
327 cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
328 else
329 cmd.enable = cpu_to_le16(CMD_DISABLE_RSN);
330 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
331 }
332
333 ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
334 if (!ret && cmd_action == CMD_ACT_GET)
335 *enable = le16_to_cpu(cmd.enable);
336
337 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
338 return ret;
339 }
340
341 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet *keyparam,
342 struct enc_key *key)
343 {
344 lbs_deb_enter(LBS_DEB_CMD);
345
346 if (key->flags & KEY_INFO_WPA_ENABLED)
347 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
348 if (key->flags & KEY_INFO_WPA_UNICAST)
349 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
350 if (key->flags & KEY_INFO_WPA_MCAST)
351 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
352
353 keyparam->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
354 keyparam->keytypeid = cpu_to_le16(key->type);
355 keyparam->keylen = cpu_to_le16(key->len);
356 memcpy(keyparam->key, key->key, key->len);
357
358 /* Length field doesn't include the {type,length} header */
359 keyparam->length = cpu_to_le16(sizeof(*keyparam) - 4);
360 lbs_deb_leave(LBS_DEB_CMD);
361 }
362
363 int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
364 struct assoc_request *assoc)
365 {
366 struct cmd_ds_802_11_key_material cmd;
367 int ret = 0;
368 int index = 0;
369
370 lbs_deb_enter(LBS_DEB_CMD);
371
372 cmd.action = cpu_to_le16(cmd_action);
373 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
374
375 if (cmd_action == CMD_ACT_GET) {
376 cmd.hdr.size = cpu_to_le16(S_DS_GEN + 2);
377 } else {
378 memset(cmd.keyParamSet, 0, sizeof(cmd.keyParamSet));
379
380 if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc->flags)) {
381 set_one_wpa_key(&cmd.keyParamSet[index],
382 &assoc->wpa_unicast_key);
383 index++;
384 }
385
386 if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc->flags)) {
387 set_one_wpa_key(&cmd.keyParamSet[index],
388 &assoc->wpa_mcast_key);
389 index++;
390 }
391
392 /* The common header and as many keys as we included */
393 cmd.hdr.size = cpu_to_le16(offsetof(typeof(cmd),
394 keyParamSet[index]));
395 }
396 ret = lbs_cmd_with_response(priv, CMD_802_11_KEY_MATERIAL, &cmd);
397 /* Copy the returned key to driver private data */
398 if (!ret && cmd_action == CMD_ACT_GET) {
399 void *buf_ptr = cmd.keyParamSet;
400 void *resp_end = &(&cmd)[1];
401
402 while (buf_ptr < resp_end) {
403 struct MrvlIEtype_keyParamSet *keyparam = buf_ptr;
404 struct enc_key *key;
405 uint16_t param_set_len = le16_to_cpu(keyparam->length);
406 uint16_t key_len = le16_to_cpu(keyparam->keylen);
407 uint16_t key_flags = le16_to_cpu(keyparam->keyinfo);
408 uint16_t key_type = le16_to_cpu(keyparam->keytypeid);
409 void *end;
410
411 end = (void *)keyparam + sizeof(keyparam->type)
412 + sizeof(keyparam->length) + param_set_len;
413
414 /* Make sure we don't access past the end of the IEs */
415 if (end > resp_end)
416 break;
417
418 if (key_flags & KEY_INFO_WPA_UNICAST)
419 key = &priv->wpa_unicast_key;
420 else if (key_flags & KEY_INFO_WPA_MCAST)
421 key = &priv->wpa_mcast_key;
422 else
423 break;
424
425 /* Copy returned key into driver */
426 memset(key, 0, sizeof(struct enc_key));
427 if (key_len > sizeof(key->key))
428 break;
429 key->type = key_type;
430 key->flags = key_flags;
431 key->len = key_len;
432 memcpy(key->key, keyparam->key, key->len);
433
434 buf_ptr = end + 1;
435 }
436 }
437
438 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
439 return ret;
440 }
441
442 static int lbs_cmd_802_11_reset(struct lbs_private *priv,
443 struct cmd_ds_command *cmd, int cmd_action)
444 {
445 struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
446
447 lbs_deb_enter(LBS_DEB_CMD);
448
449 cmd->command = cpu_to_le16(CMD_802_11_RESET);
450 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
451 reset->action = cpu_to_le16(cmd_action);
452
453 lbs_deb_leave(LBS_DEB_CMD);
454 return 0;
455 }
456
457 static int lbs_cmd_802_11_get_log(struct lbs_private *priv,
458 struct cmd_ds_command *cmd)
459 {
460 lbs_deb_enter(LBS_DEB_CMD);
461 cmd->command = cpu_to_le16(CMD_802_11_GET_LOG);
462 cmd->size =
463 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
464
465 lbs_deb_leave(LBS_DEB_CMD);
466 return 0;
467 }
468
469 static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
470 struct cmd_ds_command *cmd)
471 {
472 lbs_deb_enter(LBS_DEB_CMD);
473 cmd->command = cpu_to_le16(CMD_802_11_GET_STAT);
474 cmd->size =
475 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
476
477 lbs_deb_leave(LBS_DEB_CMD);
478 return 0;
479 }
480
481 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
482 struct cmd_ds_command *cmd,
483 int cmd_action,
484 int cmd_oid, void *pdata_buf)
485 {
486 struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
487 u8 ucTemp;
488
489 lbs_deb_enter(LBS_DEB_CMD);
490
491 lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
492
493 cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
494 cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
495
496 switch (cmd_oid) {
497 case OID_802_11_INFRASTRUCTURE_MODE:
498 {
499 u8 mode = (u8) (size_t) pdata_buf;
500 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
501 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
502 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
503 if (mode == IW_MODE_ADHOC) {
504 ucTemp = SNMP_MIB_VALUE_ADHOC;
505 } else {
506 /* Infra and Auto modes */
507 ucTemp = SNMP_MIB_VALUE_INFRA;
508 }
509
510 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
511
512 break;
513 }
514
515 case OID_802_11D_ENABLE:
516 {
517 u32 ulTemp;
518
519 pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
520
521 if (cmd_action == CMD_ACT_SET) {
522 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
523 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
524 ulTemp = *(u32 *)pdata_buf;
525 *((__le16 *)(pSNMPMIB->value)) =
526 cpu_to_le16((u16) ulTemp);
527 }
528 break;
529 }
530
531 case OID_802_11_FRAGMENTATION_THRESHOLD:
532 {
533 u32 ulTemp;
534
535 pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
536
537 if (cmd_action == CMD_ACT_GET) {
538 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
539 } else if (cmd_action == CMD_ACT_SET) {
540 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
541 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
542 ulTemp = *((u32 *) pdata_buf);
543 *((__le16 *)(pSNMPMIB->value)) =
544 cpu_to_le16((u16) ulTemp);
545
546 }
547
548 break;
549 }
550
551 case OID_802_11_RTS_THRESHOLD:
552 {
553
554 u32 ulTemp;
555 pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I);
556
557 if (cmd_action == CMD_ACT_GET) {
558 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
559 } else if (cmd_action == CMD_ACT_SET) {
560 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
561 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
562 ulTemp = *((u32 *)pdata_buf);
563 *(__le16 *)(pSNMPMIB->value) =
564 cpu_to_le16((u16) ulTemp);
565
566 }
567 break;
568 }
569 case OID_802_11_TX_RETRYCOUNT:
570 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
571
572 if (cmd_action == CMD_ACT_GET) {
573 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
574 } else if (cmd_action == CMD_ACT_SET) {
575 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
576 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
577 *((__le16 *)(pSNMPMIB->value)) =
578 cpu_to_le16((u16) priv->txretrycount);
579 }
580
581 break;
582 default:
583 break;
584 }
585
586 lbs_deb_cmd(
587 "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
588 le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
589 le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
590
591 lbs_deb_cmd(
592 "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
593 le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
594 le16_to_cpu(pSNMPMIB->bufsize),
595 le16_to_cpu(*(__le16 *) pSNMPMIB->value));
596
597 lbs_deb_leave(LBS_DEB_CMD);
598 return 0;
599 }
600
601 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
602 struct cmd_ds_command *cmd,
603 u16 cmd_action, void *pdata_buf)
604 {
605
606 struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
607
608 lbs_deb_enter(LBS_DEB_CMD);
609
610 cmd->size =
611 cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
612 cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
613 prtp->action = cpu_to_le16(cmd_action);
614
615 lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
616 le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
617 le16_to_cpu(prtp->action));
618
619 switch (cmd_action) {
620 case CMD_ACT_TX_POWER_OPT_GET:
621 prtp->action = cpu_to_le16(CMD_ACT_GET);
622 prtp->currentlevel = 0;
623 break;
624
625 case CMD_ACT_TX_POWER_OPT_SET_HIGH:
626 prtp->action = cpu_to_le16(CMD_ACT_SET);
627 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
628 break;
629
630 case CMD_ACT_TX_POWER_OPT_SET_MID:
631 prtp->action = cpu_to_le16(CMD_ACT_SET);
632 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
633 break;
634
635 case CMD_ACT_TX_POWER_OPT_SET_LOW:
636 prtp->action = cpu_to_le16(CMD_ACT_SET);
637 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
638 break;
639 }
640
641 lbs_deb_leave(LBS_DEB_CMD);
642 return 0;
643 }
644
645 static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
646 struct cmd_ds_command *cmd,
647 u16 cmd_action, void *pdata_buf)
648 {
649 struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
650
651 cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
652 cmd->size =
653 cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
654 S_DS_GEN);
655
656 monitor->action = cpu_to_le16(cmd_action);
657 if (cmd_action == CMD_ACT_SET) {
658 monitor->mode =
659 cpu_to_le16((u16) (*(u32 *) pdata_buf));
660 }
661
662 return 0;
663 }
664
665 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
666 struct cmd_ds_command *cmd,
667 u16 cmd_action)
668 {
669 struct cmd_ds_802_11_rate_adapt_rateset
670 *rateadapt = &cmd->params.rateset;
671
672 lbs_deb_enter(LBS_DEB_CMD);
673 cmd->size =
674 cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
675 + S_DS_GEN);
676 cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
677
678 rateadapt->action = cpu_to_le16(cmd_action);
679 rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
680 rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
681
682 lbs_deb_leave(LBS_DEB_CMD);
683 return 0;
684 }
685
686 /**
687 * @brief Get the current data rate
688 *
689 * @param priv A pointer to struct lbs_private structure
690 *
691 * @return The data rate on success, error on failure
692 */
693 int lbs_get_data_rate(struct lbs_private *priv)
694 {
695 struct cmd_ds_802_11_data_rate cmd;
696 int ret = -1;
697
698 lbs_deb_enter(LBS_DEB_CMD);
699
700 memset(&cmd, 0, sizeof(cmd));
701 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
702 cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
703
704 ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
705 if (ret)
706 goto out;
707
708 lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
709
710 ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
711 lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
712
713 out:
714 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
715 return ret;
716 }
717
718 /**
719 * @brief Set the data rate
720 *
721 * @param priv A pointer to struct lbs_private structure
722 * @param rate The desired data rate, or 0 to clear a locked rate
723 *
724 * @return 0 on success, error on failure
725 */
726 int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
727 {
728 struct cmd_ds_802_11_data_rate cmd;
729 int ret = 0;
730
731 lbs_deb_enter(LBS_DEB_CMD);
732
733 memset(&cmd, 0, sizeof(cmd));
734 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
735
736 if (rate > 0) {
737 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
738 cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
739 if (cmd.rates[0] == 0) {
740 lbs_deb_cmd("DATA_RATE: invalid requested rate of"
741 " 0x%02X\n", rate);
742 ret = 0;
743 goto out;
744 }
745 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
746 } else {
747 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
748 lbs_deb_cmd("DATA_RATE: setting auto\n");
749 }
750
751 ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
752 if (ret)
753 goto out;
754
755 lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
756
757 /* FIXME: get actual rates FW can do if this command actually returns
758 * all data rates supported.
759 */
760 priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
761 lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
762
763 out:
764 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
765 return ret;
766 }
767
768 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
769 struct cmd_ds_command *cmd,
770 u16 cmd_action)
771 {
772 struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
773
774 lbs_deb_enter(LBS_DEB_CMD);
775 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
776 S_DS_GEN);
777 cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
778
779 lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
780 pMCastAdr->action = cpu_to_le16(cmd_action);
781 pMCastAdr->nr_of_adrs =
782 cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
783 memcpy(pMCastAdr->maclist, priv->multicastlist,
784 priv->nr_of_multicastmacaddr * ETH_ALEN);
785
786 lbs_deb_leave(LBS_DEB_CMD);
787 return 0;
788 }
789
790 /**
791 * @brief Get the radio channel
792 *
793 * @param priv A pointer to struct lbs_private structure
794 *
795 * @return The channel on success, error on failure
796 */
797 int lbs_get_channel(struct lbs_private *priv)
798 {
799 struct cmd_ds_802_11_rf_channel cmd;
800 int ret = 0;
801
802 lbs_deb_enter(LBS_DEB_CMD);
803
804 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
805 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
806
807 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
808 if (ret)
809 goto out;
810
811 ret = le16_to_cpu(cmd.channel);
812 lbs_deb_cmd("current radio channel is %d\n", ret);
813
814 out:
815 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
816 return ret;
817 }
818
819 /**
820 * @brief Set the radio channel
821 *
822 * @param priv A pointer to struct lbs_private structure
823 * @param channel The desired channel, or 0 to clear a locked channel
824 *
825 * @return 0 on success, error on failure
826 */
827 int lbs_set_channel(struct lbs_private *priv, u8 channel)
828 {
829 struct cmd_ds_802_11_rf_channel cmd;
830 u8 old_channel = priv->curbssparams.channel;
831 int ret = 0;
832
833 lbs_deb_enter(LBS_DEB_CMD);
834
835 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
836 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
837 cmd.channel = cpu_to_le16(channel);
838
839 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
840 if (ret)
841 goto out;
842
843 priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
844 lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
845 priv->curbssparams.channel);
846
847 out:
848 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
849 return ret;
850 }
851
852 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
853 struct cmd_ds_command *cmd)
854 {
855
856 lbs_deb_enter(LBS_DEB_CMD);
857 cmd->command = cpu_to_le16(CMD_802_11_RSSI);
858 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
859 cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
860
861 /* reset Beacon SNR/NF/RSSI values */
862 priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
863 priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
864 priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
865 priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
866 priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
867 priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
868
869 lbs_deb_leave(LBS_DEB_CMD);
870 return 0;
871 }
872
873 static int lbs_cmd_reg_access(struct lbs_private *priv,
874 struct cmd_ds_command *cmdptr,
875 u8 cmd_action, void *pdata_buf)
876 {
877 struct lbs_offset_value *offval;
878
879 lbs_deb_enter(LBS_DEB_CMD);
880
881 offval = (struct lbs_offset_value *)pdata_buf;
882
883 switch (le16_to_cpu(cmdptr->command)) {
884 case CMD_MAC_REG_ACCESS:
885 {
886 struct cmd_ds_mac_reg_access *macreg;
887
888 cmdptr->size =
889 cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
890 + S_DS_GEN);
891 macreg =
892 (struct cmd_ds_mac_reg_access *)&cmdptr->params.
893 macreg;
894
895 macreg->action = cpu_to_le16(cmd_action);
896 macreg->offset = cpu_to_le16((u16) offval->offset);
897 macreg->value = cpu_to_le32(offval->value);
898
899 break;
900 }
901
902 case CMD_BBP_REG_ACCESS:
903 {
904 struct cmd_ds_bbp_reg_access *bbpreg;
905
906 cmdptr->size =
907 cpu_to_le16(sizeof
908 (struct cmd_ds_bbp_reg_access)
909 + S_DS_GEN);
910 bbpreg =
911 (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
912 bbpreg;
913
914 bbpreg->action = cpu_to_le16(cmd_action);
915 bbpreg->offset = cpu_to_le16((u16) offval->offset);
916 bbpreg->value = (u8) offval->value;
917
918 break;
919 }
920
921 case CMD_RF_REG_ACCESS:
922 {
923 struct cmd_ds_rf_reg_access *rfreg;
924
925 cmdptr->size =
926 cpu_to_le16(sizeof
927 (struct cmd_ds_rf_reg_access) +
928 S_DS_GEN);
929 rfreg =
930 (struct cmd_ds_rf_reg_access *)&cmdptr->params.
931 rfreg;
932
933 rfreg->action = cpu_to_le16(cmd_action);
934 rfreg->offset = cpu_to_le16((u16) offval->offset);
935 rfreg->value = (u8) offval->value;
936
937 break;
938 }
939
940 default:
941 break;
942 }
943
944 lbs_deb_leave(LBS_DEB_CMD);
945 return 0;
946 }
947
948 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
949 struct cmd_ds_command *cmd,
950 u16 cmd_action)
951 {
952
953 lbs_deb_enter(LBS_DEB_CMD);
954 cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
955 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
956 S_DS_GEN);
957 cmd->result = 0;
958
959 cmd->params.macadd.action = cpu_to_le16(cmd_action);
960
961 if (cmd_action == CMD_ACT_SET) {
962 memcpy(cmd->params.macadd.macadd,
963 priv->current_addr, ETH_ALEN);
964 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
965 }
966
967 lbs_deb_leave(LBS_DEB_CMD);
968 return 0;
969 }
970
971 static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
972 struct cmd_ds_command *cmd,
973 int cmd_action, void *pdata_buf)
974 {
975 struct lbs_ioctl_regrdwr *ea = pdata_buf;
976
977 lbs_deb_enter(LBS_DEB_CMD);
978
979 cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
980 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
981 S_DS_GEN);
982 cmd->result = 0;
983
984 cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
985 cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
986 cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
987 cmd->params.rdeeprom.value = 0;
988
989 lbs_deb_leave(LBS_DEB_CMD);
990 return 0;
991 }
992
993 static int lbs_cmd_bt_access(struct lbs_private *priv,
994 struct cmd_ds_command *cmd,
995 u16 cmd_action, void *pdata_buf)
996 {
997 struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
998 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
999
1000 cmd->command = cpu_to_le16(CMD_BT_ACCESS);
1001 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
1002 cmd->result = 0;
1003 bt_access->action = cpu_to_le16(cmd_action);
1004
1005 switch (cmd_action) {
1006 case CMD_ACT_BT_ACCESS_ADD:
1007 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
1008 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
1009 break;
1010 case CMD_ACT_BT_ACCESS_DEL:
1011 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
1012 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
1013 break;
1014 case CMD_ACT_BT_ACCESS_LIST:
1015 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1016 break;
1017 case CMD_ACT_BT_ACCESS_RESET:
1018 break;
1019 case CMD_ACT_BT_ACCESS_SET_INVERT:
1020 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1021 break;
1022 case CMD_ACT_BT_ACCESS_GET_INVERT:
1023 break;
1024 default:
1025 break;
1026 }
1027 lbs_deb_leave(LBS_DEB_CMD);
1028 return 0;
1029 }
1030
1031 static int lbs_cmd_fwt_access(struct lbs_private *priv,
1032 struct cmd_ds_command *cmd,
1033 u16 cmd_action, void *pdata_buf)
1034 {
1035 struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
1036 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1037
1038 cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
1039 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
1040 cmd->result = 0;
1041
1042 if (pdata_buf)
1043 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
1044 else
1045 memset(fwt_access, 0, sizeof(*fwt_access));
1046
1047 fwt_access->action = cpu_to_le16(cmd_action);
1048
1049 lbs_deb_leave(LBS_DEB_CMD);
1050 return 0;
1051 }
1052
1053 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1054 struct cmd_ds_mesh_access *cmd)
1055 {
1056 int ret;
1057
1058 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1059
1060 cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1061 cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
1062 cmd->hdr.result = 0;
1063
1064 cmd->action = cpu_to_le16(cmd_action);
1065
1066 ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
1067
1068 lbs_deb_leave(LBS_DEB_CMD);
1069 return ret;
1070 }
1071
1072 int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan)
1073 {
1074 struct cmd_ds_mesh_config cmd;
1075
1076 memset(&cmd, 0, sizeof(cmd));
1077 cmd.action = cpu_to_le16(enable);
1078 cmd.channel = cpu_to_le16(chan);
1079 cmd.type = cpu_to_le16(priv->mesh_tlv);
1080 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1081
1082 if (enable) {
1083 cmd.length = cpu_to_le16(priv->mesh_ssid_len);
1084 memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
1085 }
1086 lbs_deb_cmd("mesh config enable %d TLV %x channel %d SSID %s\n",
1087 enable, priv->mesh_tlv, chan,
1088 escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
1089 return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, &cmd);
1090 }
1091
1092 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1093 struct cmd_ds_command *cmd,
1094 u16 cmd_action)
1095 {
1096 struct cmd_ds_802_11_beacon_control
1097 *bcn_ctrl = &cmd->params.bcn_ctrl;
1098
1099 lbs_deb_enter(LBS_DEB_CMD);
1100 cmd->size =
1101 cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1102 + S_DS_GEN);
1103 cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1104
1105 bcn_ctrl->action = cpu_to_le16(cmd_action);
1106 bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1107 bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1108
1109 lbs_deb_leave(LBS_DEB_CMD);
1110 return 0;
1111 }
1112
1113 static void lbs_queue_cmd(struct lbs_private *priv,
1114 struct cmd_ctrl_node *cmdnode)
1115 {
1116 unsigned long flags;
1117 int addtail = 1;
1118
1119 lbs_deb_enter(LBS_DEB_HOST);
1120
1121 if (!cmdnode) {
1122 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1123 goto done;
1124 }
1125 if (!cmdnode->cmdbuf->size) {
1126 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
1127 goto done;
1128 }
1129 cmdnode->result = 0;
1130
1131 /* Exit_PS command needs to be queued in the header always. */
1132 if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1133 struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1];
1134
1135 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1136 if (priv->psstate != PS_STATE_FULL_POWER)
1137 addtail = 0;
1138 }
1139 }
1140
1141 spin_lock_irqsave(&priv->driver_lock, flags);
1142
1143 if (addtail)
1144 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1145 else
1146 list_add(&cmdnode->list, &priv->cmdpendingq);
1147
1148 spin_unlock_irqrestore(&priv->driver_lock, flags);
1149
1150 lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1151 le16_to_cpu(cmdnode->cmdbuf->command));
1152
1153 done:
1154 lbs_deb_leave(LBS_DEB_HOST);
1155 }
1156
1157 static void lbs_submit_command(struct lbs_private *priv,
1158 struct cmd_ctrl_node *cmdnode)
1159 {
1160 unsigned long flags;
1161 struct cmd_header *cmd;
1162 uint16_t cmdsize;
1163 uint16_t command;
1164 int timeo = 5 * HZ;
1165 int ret;
1166
1167 lbs_deb_enter(LBS_DEB_HOST);
1168
1169 cmd = cmdnode->cmdbuf;
1170
1171 spin_lock_irqsave(&priv->driver_lock, flags);
1172 priv->cur_cmd = cmdnode;
1173 priv->cur_cmd_retcode = 0;
1174 spin_unlock_irqrestore(&priv->driver_lock, flags);
1175
1176 cmdsize = le16_to_cpu(cmd->size);
1177 command = le16_to_cpu(cmd->command);
1178
1179 /* These commands take longer */
1180 if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE ||
1181 command == CMD_802_11_AUTHENTICATE)
1182 timeo = 10 * HZ;
1183
1184 lbs_deb_cmd("DNLD_CMD: command 0x%04x, seq %d, size %d, jiffies %lu\n",
1185 command, le16_to_cpu(cmd->seqnum), cmdsize, jiffies);
1186 lbs_deb_hex(LBS_DEB_CMD, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1187
1188 ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1189
1190 if (ret) {
1191 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
1192 /* Let the timer kick in and retry, and potentially reset
1193 the whole thing if the condition persists */
1194 timeo = HZ;
1195 }
1196
1197 /* Setup the timer after transmit command */
1198 mod_timer(&priv->command_timer, jiffies + timeo);
1199
1200 lbs_deb_leave(LBS_DEB_HOST);
1201 }
1202
1203 /**
1204 * This function inserts command node to cmdfreeq
1205 * after cleans it. Requires priv->driver_lock held.
1206 */
1207 static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1208 struct cmd_ctrl_node *cmdnode)
1209 {
1210 lbs_deb_enter(LBS_DEB_HOST);
1211
1212 if (!cmdnode)
1213 goto out;
1214
1215 cmdnode->callback = NULL;
1216 cmdnode->callback_arg = 0;
1217
1218 memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1219
1220 list_add_tail(&cmdnode->list, &priv->cmdfreeq);
1221 out:
1222 lbs_deb_leave(LBS_DEB_HOST);
1223 }
1224
1225 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1226 struct cmd_ctrl_node *ptempcmd)
1227 {
1228 unsigned long flags;
1229
1230 spin_lock_irqsave(&priv->driver_lock, flags);
1231 __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1232 spin_unlock_irqrestore(&priv->driver_lock, flags);
1233 }
1234
1235 void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
1236 int result)
1237 {
1238 if (cmd == priv->cur_cmd)
1239 priv->cur_cmd_retcode = result;
1240
1241 cmd->result = result;
1242 cmd->cmdwaitqwoken = 1;
1243 wake_up_interruptible(&cmd->cmdwait_q);
1244
1245 if (!cmd->callback)
1246 __lbs_cleanup_and_insert_cmd(priv, cmd);
1247 priv->cur_cmd = NULL;
1248 }
1249
1250 int lbs_set_radio_control(struct lbs_private *priv)
1251 {
1252 int ret = 0;
1253 struct cmd_ds_802_11_radio_control cmd;
1254
1255 lbs_deb_enter(LBS_DEB_CMD);
1256
1257 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1258 cmd.action = cpu_to_le16(CMD_ACT_SET);
1259
1260 switch (priv->preamble) {
1261 case CMD_TYPE_SHORT_PREAMBLE:
1262 cmd.control = cpu_to_le16(SET_SHORT_PREAMBLE);
1263 break;
1264
1265 case CMD_TYPE_LONG_PREAMBLE:
1266 cmd.control = cpu_to_le16(SET_LONG_PREAMBLE);
1267 break;
1268
1269 case CMD_TYPE_AUTO_PREAMBLE:
1270 default:
1271 cmd.control = cpu_to_le16(SET_AUTO_PREAMBLE);
1272 break;
1273 }
1274
1275 if (priv->radioon)
1276 cmd.control |= cpu_to_le16(TURN_ON_RF);
1277 else
1278 cmd.control &= cpu_to_le16(~TURN_ON_RF);
1279
1280 lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n", priv->radioon,
1281 priv->preamble);
1282
1283 ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd);
1284
1285 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1286 return ret;
1287 }
1288
1289 int lbs_set_mac_control(struct lbs_private *priv)
1290 {
1291 int ret = 0;
1292 struct cmd_ds_mac_control cmd;
1293
1294 lbs_deb_enter(LBS_DEB_CMD);
1295
1296 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1297 cmd.action = cpu_to_le16(priv->mac_control);
1298 cmd.reserved = 0;
1299
1300 ret = lbs_cmd_with_response(priv, CMD_MAC_CONTROL, &cmd);
1301
1302 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1303 return ret;
1304 }
1305
1306 /**
1307 * @brief This function prepare the command before send to firmware.
1308 *
1309 * @param priv A pointer to struct lbs_private structure
1310 * @param cmd_no command number
1311 * @param cmd_action command action: GET or SET
1312 * @param wait_option wait option: wait response or not
1313 * @param cmd_oid cmd oid: treated as sub command
1314 * @param pdata_buf A pointer to informaion buffer
1315 * @return 0 or -1
1316 */
1317 int lbs_prepare_and_send_command(struct lbs_private *priv,
1318 u16 cmd_no,
1319 u16 cmd_action,
1320 u16 wait_option, u32 cmd_oid, void *pdata_buf)
1321 {
1322 int ret = 0;
1323 struct cmd_ctrl_node *cmdnode;
1324 struct cmd_ds_command *cmdptr;
1325 unsigned long flags;
1326
1327 lbs_deb_enter(LBS_DEB_HOST);
1328
1329 if (!priv) {
1330 lbs_deb_host("PREP_CMD: priv is NULL\n");
1331 ret = -1;
1332 goto done;
1333 }
1334
1335 if (priv->surpriseremoved) {
1336 lbs_deb_host("PREP_CMD: card removed\n");
1337 ret = -1;
1338 goto done;
1339 }
1340
1341 cmdnode = lbs_get_cmd_ctrl_node(priv);
1342
1343 if (cmdnode == NULL) {
1344 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1345
1346 /* Wake up main thread to execute next command */
1347 wake_up_interruptible(&priv->waitq);
1348 ret = -1;
1349 goto done;
1350 }
1351
1352 lbs_set_cmd_ctrl_node(priv, cmdnode, pdata_buf);
1353
1354 cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1355
1356 lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1357
1358 /* Set sequence number, command and INT option */
1359 priv->seqnum++;
1360 cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1361
1362 cmdptr->command = cpu_to_le16(cmd_no);
1363 cmdptr->result = 0;
1364
1365 switch (cmd_no) {
1366 case CMD_802_11_PS_MODE:
1367 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1368 break;
1369
1370 case CMD_802_11_ASSOCIATE:
1371 case CMD_802_11_REASSOCIATE:
1372 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1373 break;
1374
1375 case CMD_802_11_DEAUTHENTICATE:
1376 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1377 break;
1378
1379 case CMD_802_11_AD_HOC_START:
1380 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1381 break;
1382 case CMD_CODE_DNLD:
1383 break;
1384
1385 case CMD_802_11_RESET:
1386 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1387 break;
1388
1389 case CMD_802_11_GET_LOG:
1390 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1391 break;
1392
1393 case CMD_802_11_AUTHENTICATE:
1394 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1395 break;
1396
1397 case CMD_802_11_GET_STAT:
1398 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1399 break;
1400
1401 case CMD_802_11_SNMP_MIB:
1402 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1403 cmd_action, cmd_oid, pdata_buf);
1404 break;
1405
1406 case CMD_MAC_REG_ACCESS:
1407 case CMD_BBP_REG_ACCESS:
1408 case CMD_RF_REG_ACCESS:
1409 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1410 break;
1411
1412 case CMD_802_11_RF_TX_POWER:
1413 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1414 cmd_action, pdata_buf);
1415 break;
1416
1417 case CMD_802_11_RATE_ADAPT_RATESET:
1418 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1419 cmdptr, cmd_action);
1420 break;
1421
1422 case CMD_MAC_MULTICAST_ADR:
1423 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1424 break;
1425
1426 case CMD_802_11_MONITOR_MODE:
1427 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1428 cmd_action, pdata_buf);
1429 break;
1430
1431 case CMD_802_11_AD_HOC_JOIN:
1432 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1433 break;
1434
1435 case CMD_802_11_RSSI:
1436 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1437 break;
1438
1439 case CMD_802_11_AD_HOC_STOP:
1440 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1441 break;
1442
1443 case CMD_802_11_PAIRWISE_TSC:
1444 break;
1445 case CMD_802_11_GROUP_TSC:
1446 break;
1447
1448 case CMD_802_11_MAC_ADDRESS:
1449 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1450 break;
1451
1452 case CMD_802_11_EEPROM_ACCESS:
1453 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1454 cmd_action, pdata_buf);
1455 break;
1456
1457 case CMD_802_11_SET_AFC:
1458 case CMD_802_11_GET_AFC:
1459
1460 cmdptr->command = cpu_to_le16(cmd_no);
1461 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1462 S_DS_GEN);
1463
1464 memmove(&cmdptr->params.afc,
1465 pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1466
1467 ret = 0;
1468 goto done;
1469
1470 case CMD_802_11D_DOMAIN_INFO:
1471 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1472 cmd_no, cmd_action);
1473 break;
1474
1475 case CMD_802_11_TPC_CFG:
1476 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1477 cmdptr->size =
1478 cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1479 S_DS_GEN);
1480
1481 memmove(&cmdptr->params.tpccfg,
1482 pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1483
1484 ret = 0;
1485 break;
1486 case CMD_802_11_LED_GPIO_CTRL:
1487 {
1488 struct mrvlietypes_ledgpio *gpio =
1489 (struct mrvlietypes_ledgpio*)
1490 cmdptr->params.ledgpio.data;
1491
1492 memmove(&cmdptr->params.ledgpio,
1493 pdata_buf,
1494 sizeof(struct cmd_ds_802_11_led_ctrl));
1495
1496 cmdptr->command =
1497 cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1498
1499 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1500 cmdptr->size =
1501 cpu_to_le16(le16_to_cpu(gpio->header.len)
1502 + S_DS_GEN
1503 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1504 gpio->header.len = gpio->header.len;
1505
1506 ret = 0;
1507 break;
1508 }
1509
1510 case CMD_802_11_PWR_CFG:
1511 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1512 cmdptr->size =
1513 cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1514 S_DS_GEN);
1515 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1516 sizeof(struct cmd_ds_802_11_pwr_cfg));
1517
1518 ret = 0;
1519 break;
1520 case CMD_BT_ACCESS:
1521 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1522 break;
1523
1524 case CMD_FWT_ACCESS:
1525 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1526 break;
1527
1528 case CMD_GET_TSF:
1529 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1530 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1531 S_DS_GEN);
1532 ret = 0;
1533 break;
1534 case CMD_802_11_BEACON_CTRL:
1535 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1536 break;
1537 default:
1538 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1539 ret = -1;
1540 break;
1541 }
1542
1543 /* return error, since the command preparation failed */
1544 if (ret != 0) {
1545 lbs_deb_host("PREP_CMD: command preparation failed\n");
1546 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1547 ret = -1;
1548 goto done;
1549 }
1550
1551 cmdnode->cmdwaitqwoken = 0;
1552
1553 lbs_queue_cmd(priv, cmdnode);
1554 wake_up_interruptible(&priv->waitq);
1555
1556 if (wait_option & CMD_OPTION_WAITFORRSP) {
1557 lbs_deb_host("PREP_CMD: wait for response\n");
1558 might_sleep();
1559 wait_event_interruptible(cmdnode->cmdwait_q,
1560 cmdnode->cmdwaitqwoken);
1561 }
1562
1563 spin_lock_irqsave(&priv->driver_lock, flags);
1564 if (priv->cur_cmd_retcode) {
1565 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1566 priv->cur_cmd_retcode);
1567 priv->cur_cmd_retcode = 0;
1568 ret = -1;
1569 }
1570 spin_unlock_irqrestore(&priv->driver_lock, flags);
1571
1572 done:
1573 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1574 return ret;
1575 }
1576
1577 /**
1578 * @brief This function allocates the command buffer and link
1579 * it to command free queue.
1580 *
1581 * @param priv A pointer to struct lbs_private structure
1582 * @return 0 or -1
1583 */
1584 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1585 {
1586 int ret = 0;
1587 u32 bufsize;
1588 u32 i;
1589 struct cmd_ctrl_node *cmdarray;
1590
1591 lbs_deb_enter(LBS_DEB_HOST);
1592
1593 /* Allocate and initialize the command array */
1594 bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1595 if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1596 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1597 ret = -1;
1598 goto done;
1599 }
1600 priv->cmd_array = cmdarray;
1601
1602 /* Allocate and initialize each command buffer in the command array */
1603 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1604 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1605 if (!cmdarray[i].cmdbuf) {
1606 lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1607 ret = -1;
1608 goto done;
1609 }
1610 }
1611
1612 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1613 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1614 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1615 }
1616 ret = 0;
1617
1618 done:
1619 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1620 return ret;
1621 }
1622
1623 /**
1624 * @brief This function frees the command buffer.
1625 *
1626 * @param priv A pointer to struct lbs_private structure
1627 * @return 0 or -1
1628 */
1629 int lbs_free_cmd_buffer(struct lbs_private *priv)
1630 {
1631 struct cmd_ctrl_node *cmdarray;
1632 unsigned int i;
1633
1634 lbs_deb_enter(LBS_DEB_HOST);
1635
1636 /* need to check if cmd array is allocated or not */
1637 if (priv->cmd_array == NULL) {
1638 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1639 goto done;
1640 }
1641
1642 cmdarray = priv->cmd_array;
1643
1644 /* Release shared memory buffers */
1645 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1646 if (cmdarray[i].cmdbuf) {
1647 kfree(cmdarray[i].cmdbuf);
1648 cmdarray[i].cmdbuf = NULL;
1649 }
1650 }
1651
1652 /* Release cmd_ctrl_node */
1653 if (priv->cmd_array) {
1654 kfree(priv->cmd_array);
1655 priv->cmd_array = NULL;
1656 }
1657
1658 done:
1659 lbs_deb_leave(LBS_DEB_HOST);
1660 return 0;
1661 }
1662
1663 /**
1664 * @brief This function gets a free command node if available in
1665 * command free queue.
1666 *
1667 * @param priv A pointer to struct lbs_private structure
1668 * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1669 */
1670 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1671 {
1672 struct cmd_ctrl_node *tempnode;
1673 unsigned long flags;
1674
1675 lbs_deb_enter(LBS_DEB_HOST);
1676
1677 if (!priv)
1678 return NULL;
1679
1680 spin_lock_irqsave(&priv->driver_lock, flags);
1681
1682 if (!list_empty(&priv->cmdfreeq)) {
1683 tempnode = list_first_entry(&priv->cmdfreeq,
1684 struct cmd_ctrl_node, list);
1685 list_del(&tempnode->list);
1686 } else {
1687 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1688 tempnode = NULL;
1689 }
1690
1691 spin_unlock_irqrestore(&priv->driver_lock, flags);
1692
1693 lbs_deb_leave(LBS_DEB_HOST);
1694 return tempnode;
1695 }
1696
1697 /**
1698 * @brief This function cleans command node.
1699 *
1700 * @param ptempnode A pointer to cmdCtrlNode structure
1701 * @return n/a
1702 */
1703
1704 /**
1705 * @brief This function initializes the command node.
1706 *
1707 * @param priv A pointer to struct lbs_private structure
1708 * @param ptempnode A pointer to cmd_ctrl_node structure
1709 * @param pdata_buf A pointer to informaion buffer
1710 * @return 0 or -1
1711 */
1712 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1713 struct cmd_ctrl_node *ptempnode,
1714 void *pdata_buf)
1715 {
1716 lbs_deb_enter(LBS_DEB_HOST);
1717
1718 if (!ptempnode)
1719 return;
1720
1721 ptempnode->callback = NULL;
1722 ptempnode->callback_arg = (unsigned long)pdata_buf;
1723
1724 lbs_deb_leave(LBS_DEB_HOST);
1725 }
1726
1727 /**
1728 * @brief This function executes next command in command
1729 * pending queue. It will put fimware back to PS mode
1730 * if applicable.
1731 *
1732 * @param priv A pointer to struct lbs_private structure
1733 * @return 0 or -1
1734 */
1735 int lbs_execute_next_command(struct lbs_private *priv)
1736 {
1737 struct cmd_ctrl_node *cmdnode = NULL;
1738 struct cmd_header *cmd;
1739 unsigned long flags;
1740 int ret = 0;
1741
1742 /* Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1743 * only caller to us is lbs_thread() and we get even when a
1744 * data packet is received */
1745 lbs_deb_enter(LBS_DEB_THREAD);
1746
1747 spin_lock_irqsave(&priv->driver_lock, flags);
1748
1749 if (priv->cur_cmd) {
1750 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1751 spin_unlock_irqrestore(&priv->driver_lock, flags);
1752 ret = -1;
1753 goto done;
1754 }
1755
1756 if (!list_empty(&priv->cmdpendingq)) {
1757 cmdnode = list_first_entry(&priv->cmdpendingq,
1758 struct cmd_ctrl_node, list);
1759 }
1760
1761 spin_unlock_irqrestore(&priv->driver_lock, flags);
1762
1763 if (cmdnode) {
1764 cmd = cmdnode->cmdbuf;
1765
1766 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1767 if ((priv->psstate == PS_STATE_SLEEP) ||
1768 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1769 lbs_deb_host(
1770 "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1771 le16_to_cpu(cmd->command),
1772 priv->psstate);
1773 ret = -1;
1774 goto done;
1775 }
1776 lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1777 "0x%04x in psstate %d\n",
1778 le16_to_cpu(cmd->command), priv->psstate);
1779 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1780 /*
1781 * 1. Non-PS command:
1782 * Queue it. set needtowakeup to TRUE if current state
1783 * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1784 * 2. PS command but not Exit_PS:
1785 * Ignore it.
1786 * 3. PS command Exit_PS:
1787 * Set needtowakeup to TRUE if current state is SLEEP,
1788 * otherwise send this command down to firmware
1789 * immediately.
1790 */
1791 if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1792 /* Prepare to send Exit PS,
1793 * this non PS command will be sent later */
1794 if ((priv->psstate == PS_STATE_SLEEP)
1795 || (priv->psstate == PS_STATE_PRE_SLEEP)
1796 ) {
1797 /* w/ new scheme, it will not reach here.
1798 since it is blocked in main_thread. */
1799 priv->needtowakeup = 1;
1800 } else
1801 lbs_ps_wakeup(priv, 0);
1802
1803 ret = 0;
1804 goto done;
1805 } else {
1806 /*
1807 * PS command. Ignore it if it is not Exit_PS.
1808 * otherwise send it down immediately.
1809 */
1810 struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1];
1811
1812 lbs_deb_host(
1813 "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1814 psm->action);
1815 if (psm->action !=
1816 cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1817 lbs_deb_host(
1818 "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1819 list_del(&cmdnode->list);
1820 spin_lock_irqsave(&priv->driver_lock, flags);
1821 lbs_complete_command(priv, cmdnode, 0);
1822 spin_unlock_irqrestore(&priv->driver_lock, flags);
1823
1824 ret = 0;
1825 goto done;
1826 }
1827
1828 if ((priv->psstate == PS_STATE_SLEEP) ||
1829 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1830 lbs_deb_host(
1831 "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1832 list_del(&cmdnode->list);
1833 spin_lock_irqsave(&priv->driver_lock, flags);
1834 lbs_complete_command(priv, cmdnode, 0);
1835 spin_unlock_irqrestore(&priv->driver_lock, flags);
1836 priv->needtowakeup = 1;
1837
1838 ret = 0;
1839 goto done;
1840 }
1841
1842 lbs_deb_host(
1843 "EXEC_NEXT_CMD: sending EXIT_PS\n");
1844 }
1845 }
1846 list_del(&cmdnode->list);
1847 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1848 le16_to_cpu(cmd->command));
1849 lbs_submit_command(priv, cmdnode);
1850 } else {
1851 /*
1852 * check if in power save mode, if yes, put the device back
1853 * to PS mode
1854 */
1855 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1856 (priv->psstate == PS_STATE_FULL_POWER) &&
1857 ((priv->connect_status == LBS_CONNECTED) ||
1858 (priv->mesh_connect_status == LBS_CONNECTED))) {
1859 if (priv->secinfo.WPAenabled ||
1860 priv->secinfo.WPA2enabled) {
1861 /* check for valid WPA group keys */
1862 if (priv->wpa_mcast_key.len ||
1863 priv->wpa_unicast_key.len) {
1864 lbs_deb_host(
1865 "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1866 " go back to PS_SLEEP");
1867 lbs_ps_sleep(priv, 0);
1868 }
1869 } else {
1870 lbs_deb_host(
1871 "EXEC_NEXT_CMD: cmdpendingq empty, "
1872 "go back to PS_SLEEP");
1873 lbs_ps_sleep(priv, 0);
1874 }
1875 }
1876 }
1877
1878 ret = 0;
1879 done:
1880 lbs_deb_leave(LBS_DEB_THREAD);
1881 return ret;
1882 }
1883
1884 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1885 {
1886 union iwreq_data iwrq;
1887 u8 buf[50];
1888
1889 lbs_deb_enter(LBS_DEB_WEXT);
1890
1891 memset(&iwrq, 0, sizeof(union iwreq_data));
1892 memset(buf, 0, sizeof(buf));
1893
1894 snprintf(buf, sizeof(buf) - 1, "%s", str);
1895
1896 iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1897
1898 /* Send Event to upper layer */
1899 lbs_deb_wext("event indication string %s\n", (char *)buf);
1900 lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1901 lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1902
1903 wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1904
1905 lbs_deb_leave(LBS_DEB_WEXT);
1906 }
1907
1908 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1909 {
1910 unsigned long flags;
1911 int ret = 0;
1912
1913 lbs_deb_enter(LBS_DEB_HOST);
1914
1915 lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
1916 size);
1917
1918 lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1919
1920 ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1921
1922 spin_lock_irqsave(&priv->driver_lock, flags);
1923 if (priv->intcounter || priv->currenttxskb)
1924 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1925 priv->intcounter, priv->currenttxskb);
1926 spin_unlock_irqrestore(&priv->driver_lock, flags);
1927
1928 if (ret) {
1929 lbs_pr_alert(
1930 "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1931 } else {
1932 spin_lock_irqsave(&priv->driver_lock, flags);
1933 if (!priv->intcounter) {
1934 priv->psstate = PS_STATE_SLEEP;
1935 } else {
1936 lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1937 priv->intcounter);
1938 }
1939 spin_unlock_irqrestore(&priv->driver_lock, flags);
1940
1941 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
1942 }
1943
1944 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1945 return ret;
1946 }
1947
1948 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
1949 {
1950 lbs_deb_enter(LBS_DEB_HOST);
1951
1952 /*
1953 * PS is currently supported only in Infrastructure mode
1954 * Remove this check if it is to be supported in IBSS mode also
1955 */
1956
1957 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1958 CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
1959
1960 lbs_deb_leave(LBS_DEB_HOST);
1961 }
1962
1963 /**
1964 * @brief This function sends Exit_PS command to firmware.
1965 *
1966 * @param priv A pointer to struct lbs_private structure
1967 * @param wait_option wait response or not
1968 * @return n/a
1969 */
1970 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
1971 {
1972 __le32 Localpsmode;
1973
1974 lbs_deb_enter(LBS_DEB_HOST);
1975
1976 Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
1977
1978 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1979 CMD_SUBCMD_EXIT_PS,
1980 wait_option, 0, &Localpsmode);
1981
1982 lbs_deb_leave(LBS_DEB_HOST);
1983 }
1984
1985 /**
1986 * @brief This function checks condition and prepares to
1987 * send sleep confirm command to firmware if ok.
1988 *
1989 * @param priv A pointer to struct lbs_private structure
1990 * @param psmode Power Saving mode
1991 * @return n/a
1992 */
1993 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
1994 {
1995 unsigned long flags =0;
1996 u8 allowed = 1;
1997
1998 lbs_deb_enter(LBS_DEB_HOST);
1999
2000 if (priv->dnld_sent) {
2001 allowed = 0;
2002 lbs_deb_host("dnld_sent was set\n");
2003 }
2004
2005 spin_lock_irqsave(&priv->driver_lock, flags);
2006 if (priv->cur_cmd) {
2007 allowed = 0;
2008 lbs_deb_host("cur_cmd was set\n");
2009 }
2010 if (priv->intcounter > 0) {
2011 allowed = 0;
2012 lbs_deb_host("intcounter %d\n", priv->intcounter);
2013 }
2014 spin_unlock_irqrestore(&priv->driver_lock, flags);
2015
2016 if (allowed) {
2017 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2018 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2019 sizeof(struct PS_CMD_ConfirmSleep));
2020 } else {
2021 lbs_deb_host("sleep confirm has been delayed\n");
2022 }
2023
2024 lbs_deb_leave(LBS_DEB_HOST);
2025 }
2026
2027
2028 /**
2029 * @brief Simple callback that copies response back into command
2030 *
2031 * @param priv A pointer to struct lbs_private structure
2032 * @param extra A pointer to the original command structure for which
2033 * 'resp' is a response
2034 * @param resp A pointer to the command response
2035 *
2036 * @return 0 on success, error on failure
2037 */
2038 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
2039 struct cmd_header *resp)
2040 {
2041 struct cmd_header *buf = (void *)extra;
2042 uint16_t copy_len;
2043
2044 copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
2045 memcpy(buf, resp, copy_len);
2046 return 0;
2047 }
2048 EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
2049
2050 struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv, uint16_t command,
2051 struct cmd_header *in_cmd, int in_cmd_size,
2052 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2053 unsigned long callback_arg)
2054 {
2055 struct cmd_ctrl_node *cmdnode;
2056
2057 lbs_deb_enter(LBS_DEB_HOST);
2058
2059 if (priv->surpriseremoved) {
2060 lbs_deb_host("PREP_CMD: card removed\n");
2061 cmdnode = ERR_PTR(-ENOENT);
2062 goto done;
2063 }
2064
2065 cmdnode = lbs_get_cmd_ctrl_node(priv);
2066 if (cmdnode == NULL) {
2067 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2068
2069 /* Wake up main thread to execute next command */
2070 wake_up_interruptible(&priv->waitq);
2071 cmdnode = ERR_PTR(-ENOBUFS);
2072 goto done;
2073 }
2074
2075 cmdnode->callback = callback;
2076 cmdnode->callback_arg = callback_arg;
2077
2078 /* Copy the incoming command to the buffer */
2079 memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2080
2081 /* Set sequence number, clean result, move to buffer */
2082 priv->seqnum++;
2083 cmdnode->cmdbuf->command = cpu_to_le16(command);
2084 cmdnode->cmdbuf->size = cpu_to_le16(in_cmd_size);
2085 cmdnode->cmdbuf->seqnum = cpu_to_le16(priv->seqnum);
2086 cmdnode->cmdbuf->result = 0;
2087
2088 lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2089
2090 /* here was the big old switch() statement, which is now obsolete,
2091 * because the caller of lbs_cmd() sets up all of *cmd for us. */
2092
2093 cmdnode->cmdwaitqwoken = 0;
2094 lbs_queue_cmd(priv, cmdnode);
2095 wake_up_interruptible(&priv->waitq);
2096
2097 done:
2098 lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
2099 return cmdnode;
2100 }
2101
2102 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2103 struct cmd_header *in_cmd, int in_cmd_size,
2104 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2105 unsigned long callback_arg)
2106 {
2107 struct cmd_ctrl_node *cmdnode;
2108 unsigned long flags;
2109 int ret = 0;
2110
2111 lbs_deb_enter(LBS_DEB_HOST);
2112
2113 cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2114 callback, callback_arg);
2115 if (IS_ERR(cmdnode)) {
2116 ret = PTR_ERR(cmdnode);
2117 goto done;
2118 }
2119
2120 might_sleep();
2121 wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2122
2123 spin_lock_irqsave(&priv->driver_lock, flags);
2124 ret = cmdnode->result;
2125 if (ret)
2126 lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
2127 command, ret);
2128
2129 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
2130 spin_unlock_irqrestore(&priv->driver_lock, flags);
2131
2132 done:
2133 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2134 return ret;
2135 }
2136 EXPORT_SYMBOL_GPL(__lbs_cmd);
2137
2138
Linux kernel - Deliverables
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