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Merge branch 'akpm'
[linux-2.6/next.git] / drivers / net / wireless / mwifiex / sta_cmdresp.c
blob6804239d87bd52db7ddac8f934c9a6b28cffa144
1 /*
2 * Marvell Wireless LAN device driver: station command response handling
3 *
4 * Copyright (C) 2011, Marvell International Ltd.
5 *
6 * This software file (the "File") is distributed by Marvell International
7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8 * (the "License"). You may use, redistribute and/or modify this File in
9 * accordance with the terms and conditions of the License, a copy of which
10 * is available by writing to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
13 *
14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
17 * this warranty disclaimer.
18 */
19
20 #include "decl.h"
21 #include "ioctl.h"
22 #include "util.h"
23 #include "fw.h"
24 #include "main.h"
25 #include "wmm.h"
26 #include "11n.h"
27
28
29 /*
30 * This function handles the command response error case.
31 *
32 * For scan response error, the function cancels all the pending
33 * scan commands and generates an event to inform the applications
34 * of the scan completion.
35 *
36 * For Power Save command failure, we do not retry enter PS
37 * command in case of Ad-hoc mode.
38 *
39 * For all other response errors, the current command buffer is freed
40 * and returned to the free command queue.
41 */
42 static void
43 mwifiex_process_cmdresp_error(struct mwifiex_private *priv,
44 struct host_cmd_ds_command *resp)
45 {
46 struct cmd_ctrl_node *cmd_node = NULL, *tmp_node;
47 struct mwifiex_adapter *adapter = priv->adapter;
48 struct host_cmd_ds_802_11_ps_mode_enh *pm;
49 unsigned long flags;
50
51 dev_err(adapter->dev, "CMD_RESP: cmd %#x error, result=%#x\n",
52 resp->command, resp->result);
53
54 if (adapter->curr_cmd->wait_q_enabled)
55 adapter->cmd_wait_q.status = -1;
56
57 switch (le16_to_cpu(resp->command)) {
58 case HostCmd_CMD_802_11_PS_MODE_ENH:
59 pm = &resp->params.psmode_enh;
60 dev_err(adapter->dev, "PS_MODE_ENH cmd failed: "
61 "result=0x%x action=0x%X\n",
62 resp->result, le16_to_cpu(pm->action));
63 /* We do not re-try enter-ps command in ad-hoc mode. */
64 if (le16_to_cpu(pm->action) == EN_AUTO_PS &&
65 (le16_to_cpu(pm->params.ps_bitmap) & BITMAP_STA_PS) &&
66 priv->bss_mode == NL80211_IFTYPE_ADHOC)
67 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
68
69 break;
70 case HostCmd_CMD_802_11_SCAN:
71 /* Cancel all pending scan command */
72 spin_lock_irqsave(&adapter->scan_pending_q_lock, flags);
73 list_for_each_entry_safe(cmd_node, tmp_node,
74 &adapter->scan_pending_q, list) {
75 list_del(&cmd_node->list);
76 spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
77 flags);
78 mwifiex_insert_cmd_to_free_q(adapter, cmd_node);
79 spin_lock_irqsave(&adapter->scan_pending_q_lock, flags);
80 }
81 spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags);
82
83 spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
84 adapter->scan_processing = false;
85 spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
86 if (priv->report_scan_result)
87 priv->report_scan_result = false;
88 if (priv->scan_pending_on_block) {
89 priv->scan_pending_on_block = false;
90 up(&priv->async_sem);
91 }
92 break;
93
94 case HostCmd_CMD_MAC_CONTROL:
95 break;
96
97 default:
98 break;
99 }
100 /* Handling errors here */
101 mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd);
102
103 spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
104 adapter->curr_cmd = NULL;
105 spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
106 }
107
108 /*
109 * This function handles the command response of get RSSI info.
110 *
111 * Handling includes changing the header fields into CPU format
112 * and saving the following parameters in driver -
113 * - Last data and beacon RSSI value
114 * - Average data and beacon RSSI value
115 * - Last data and beacon NF value
116 * - Average data and beacon NF value
117 *
118 * The parameters are send to the application as well, along with
119 * calculated SNR values.
120 */
121 static int mwifiex_ret_802_11_rssi_info(struct mwifiex_private *priv,
122 struct host_cmd_ds_command *resp,
123 struct mwifiex_ds_get_signal *signal)
124 {
125 struct host_cmd_ds_802_11_rssi_info_rsp *rssi_info_rsp =
126 &resp->params.rssi_info_rsp;
127
128 priv->data_rssi_last = le16_to_cpu(rssi_info_rsp->data_rssi_last);
129 priv->data_nf_last = le16_to_cpu(rssi_info_rsp->data_nf_last);
130
131 priv->data_rssi_avg = le16_to_cpu(rssi_info_rsp->data_rssi_avg);
132 priv->data_nf_avg = le16_to_cpu(rssi_info_rsp->data_nf_avg);
133
134 priv->bcn_rssi_last = le16_to_cpu(rssi_info_rsp->bcn_rssi_last);
135 priv->bcn_nf_last = le16_to_cpu(rssi_info_rsp->bcn_nf_last);
136
137 priv->bcn_rssi_avg = le16_to_cpu(rssi_info_rsp->bcn_rssi_avg);
138 priv->bcn_nf_avg = le16_to_cpu(rssi_info_rsp->bcn_nf_avg);
139
140 /* Need to indicate IOCTL complete */
141 if (signal) {
142 memset(signal, 0, sizeof(*signal));
143
144 signal->selector = ALL_RSSI_INFO_MASK;
145
146 /* RSSI */
147 signal->bcn_rssi_last = priv->bcn_rssi_last;
148 signal->bcn_rssi_avg = priv->bcn_rssi_avg;
149 signal->data_rssi_last = priv->data_rssi_last;
150 signal->data_rssi_avg = priv->data_rssi_avg;
151
152 /* SNR */
153 signal->bcn_snr_last =
154 CAL_SNR(priv->bcn_rssi_last, priv->bcn_nf_last);
155 signal->bcn_snr_avg =
156 CAL_SNR(priv->bcn_rssi_avg, priv->bcn_nf_avg);
157 signal->data_snr_last =
158 CAL_SNR(priv->data_rssi_last, priv->data_nf_last);
159 signal->data_snr_avg =
160 CAL_SNR(priv->data_rssi_avg, priv->data_nf_avg);
161
162 /* NF */
163 signal->bcn_nf_last = priv->bcn_nf_last;
164 signal->bcn_nf_avg = priv->bcn_nf_avg;
165 signal->data_nf_last = priv->data_nf_last;
166 signal->data_nf_avg = priv->data_nf_avg;
167 }
168
169 return 0;
170 }
171
172 /*
173 * This function handles the command response of set/get SNMP
174 * MIB parameters.
175 *
176 * Handling includes changing the header fields into CPU format
177 * and saving the parameter in driver.
178 *
179 * The following parameters are supported -
180 * - Fragmentation threshold
181 * - RTS threshold
182 * - Short retry limit
183 */
184 static int mwifiex_ret_802_11_snmp_mib(struct mwifiex_private *priv,
185 struct host_cmd_ds_command *resp,
186 u32 *data_buf)
187 {
188 struct host_cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
189 u16 oid = le16_to_cpu(smib->oid);
190 u16 query_type = le16_to_cpu(smib->query_type);
191 u32 ul_temp;
192
193 dev_dbg(priv->adapter->dev, "info: SNMP_RESP: oid value = %#x,"
194 " query_type = %#x, buf size = %#x\n",
195 oid, query_type, le16_to_cpu(smib->buf_size));
196 if (query_type == HostCmd_ACT_GEN_GET) {
197 ul_temp = le16_to_cpu(*((__le16 *) (smib->value)));
198 if (data_buf)
199 *data_buf = ul_temp;
200 switch (oid) {
201 case FRAG_THRESH_I:
202 dev_dbg(priv->adapter->dev,
203 "info: SNMP_RESP: FragThsd =%u\n", ul_temp);
204 break;
205 case RTS_THRESH_I:
206 dev_dbg(priv->adapter->dev,
207 "info: SNMP_RESP: RTSThsd =%u\n", ul_temp);
208 break;
209 case SHORT_RETRY_LIM_I:
210 dev_dbg(priv->adapter->dev,
211 "info: SNMP_RESP: TxRetryCount=%u\n", ul_temp);
212 break;
213 default:
214 break;
215 }
216 }
217
218 return 0;
219 }
220
221 /*
222 * This function handles the command response of get log request
223 *
224 * Handling includes changing the header fields into CPU format
225 * and sending the received parameters to application.
226 */
227 static int mwifiex_ret_get_log(struct mwifiex_private *priv,
228 struct host_cmd_ds_command *resp,
229 struct mwifiex_ds_get_stats *stats)
230 {
231 struct host_cmd_ds_802_11_get_log *get_log =
232 (struct host_cmd_ds_802_11_get_log *) &resp->params.get_log;
233
234 if (stats) {
235 stats->mcast_tx_frame = le32_to_cpu(get_log->mcast_tx_frame);
236 stats->failed = le32_to_cpu(get_log->failed);
237 stats->retry = le32_to_cpu(get_log->retry);
238 stats->multi_retry = le32_to_cpu(get_log->multi_retry);
239 stats->frame_dup = le32_to_cpu(get_log->frame_dup);
240 stats->rts_success = le32_to_cpu(get_log->rts_success);
241 stats->rts_failure = le32_to_cpu(get_log->rts_failure);
242 stats->ack_failure = le32_to_cpu(get_log->ack_failure);
243 stats->rx_frag = le32_to_cpu(get_log->rx_frag);
244 stats->mcast_rx_frame = le32_to_cpu(get_log->mcast_rx_frame);
245 stats->fcs_error = le32_to_cpu(get_log->fcs_error);
246 stats->tx_frame = le32_to_cpu(get_log->tx_frame);
247 stats->wep_icv_error[0] =
248 le32_to_cpu(get_log->wep_icv_err_cnt[0]);
249 stats->wep_icv_error[1] =
250 le32_to_cpu(get_log->wep_icv_err_cnt[1]);
251 stats->wep_icv_error[2] =
252 le32_to_cpu(get_log->wep_icv_err_cnt[2]);
253 stats->wep_icv_error[3] =
254 le32_to_cpu(get_log->wep_icv_err_cnt[3]);
255 }
256
257 return 0;
258 }
259
260 /*
261 * This function handles the command response of set/get Tx rate
262 * configurations.
263 *
264 * Handling includes changing the header fields into CPU format
265 * and saving the following parameters in driver -
266 * - DSSS rate bitmap
267 * - OFDM rate bitmap
268 * - HT MCS rate bitmaps
269 *
270 * Based on the new rate bitmaps, the function re-evaluates if
271 * auto data rate has been activated. If not, it sends another
272 * query to the firmware to get the current Tx data rate and updates
273 * the driver value.
274 */
275 static int mwifiex_ret_tx_rate_cfg(struct mwifiex_private *priv,
276 struct host_cmd_ds_command *resp,
277 struct mwifiex_rate_cfg *ds_rate)
278 {
279 struct host_cmd_ds_tx_rate_cfg *rate_cfg = &resp->params.tx_rate_cfg;
280 struct mwifiex_rate_scope *rate_scope;
281 struct mwifiex_ie_types_header *head;
282 u16 tlv, tlv_buf_len;
283 u8 *tlv_buf;
284 u32 i;
285 int ret = 0;
286
287 tlv_buf = (u8 *) ((u8 *) rate_cfg) +
288 sizeof(struct host_cmd_ds_tx_rate_cfg);
289 tlv_buf_len = *(u16 *) (tlv_buf + sizeof(u16));
290
291 while (tlv_buf && tlv_buf_len > 0) {
292 tlv = (*tlv_buf);
293 tlv = tlv | (*(tlv_buf + 1) << 8);
294
295 switch (tlv) {
296 case TLV_TYPE_RATE_SCOPE:
297 rate_scope = (struct mwifiex_rate_scope *) tlv_buf;
298 priv->bitmap_rates[0] =
299 le16_to_cpu(rate_scope->hr_dsss_rate_bitmap);
300 priv->bitmap_rates[1] =
301 le16_to_cpu(rate_scope->ofdm_rate_bitmap);
302 for (i = 0;
303 i <
304 sizeof(rate_scope->ht_mcs_rate_bitmap) /
305 sizeof(u16); i++)
306 priv->bitmap_rates[2 + i] =
307 le16_to_cpu(rate_scope->
308 ht_mcs_rate_bitmap[i]);
309 break;
310 /* Add RATE_DROP tlv here */
311 }
312
313 head = (struct mwifiex_ie_types_header *) tlv_buf;
314 tlv_buf += le16_to_cpu(head->len) + sizeof(*head);
315 tlv_buf_len -= le16_to_cpu(head->len);
316 }
317
318 priv->is_data_rate_auto = mwifiex_is_rate_auto(priv);
319
320 if (priv->is_data_rate_auto)
321 priv->data_rate = 0;
322 else
323 ret = mwifiex_send_cmd_async(priv,
324 HostCmd_CMD_802_11_TX_RATE_QUERY,
325 HostCmd_ACT_GEN_GET, 0, NULL);
326
327 if (ds_rate) {
328 if (le16_to_cpu(rate_cfg->action) == HostCmd_ACT_GEN_GET) {
329 if (priv->is_data_rate_auto) {
330 ds_rate->is_rate_auto = 1;
331 } else {
332 ds_rate->rate = mwifiex_get_rate_index(priv->
333 bitmap_rates,
334 sizeof(priv->
335 bitmap_rates));
336 if (ds_rate->rate >=
337 MWIFIEX_RATE_BITMAP_OFDM0
338 && ds_rate->rate <=
339 MWIFIEX_RATE_BITMAP_OFDM7)
340 ds_rate->rate -=
341 (MWIFIEX_RATE_BITMAP_OFDM0 -
342 MWIFIEX_RATE_INDEX_OFDM0);
343 if (ds_rate->rate >=
344 MWIFIEX_RATE_BITMAP_MCS0
345 && ds_rate->rate <=
346 MWIFIEX_RATE_BITMAP_MCS127)
347 ds_rate->rate -=
348 (MWIFIEX_RATE_BITMAP_MCS0 -
349 MWIFIEX_RATE_INDEX_MCS0);
350 }
351 }
352 }
353
354 return ret;
355 }
356
357 /*
358 * This function handles the command response of get Tx power level.
359 *
360 * Handling includes saving the maximum and minimum Tx power levels
361 * in driver, as well as sending the values to user.
362 */
363 static int mwifiex_get_power_level(struct mwifiex_private *priv, void *data_buf)
364 {
365 int length, max_power = -1, min_power = -1;
366 struct mwifiex_types_power_group *pg_tlv_hdr;
367 struct mwifiex_power_group *pg;
368
369 if (data_buf) {
370 pg_tlv_hdr =
371 (struct mwifiex_types_power_group *) ((u8 *) data_buf
372 + sizeof(struct host_cmd_ds_txpwr_cfg));
373 pg = (struct mwifiex_power_group *) ((u8 *) pg_tlv_hdr +
374 sizeof(struct mwifiex_types_power_group));
375 length = pg_tlv_hdr->length;
376 if (length > 0) {
377 max_power = pg->power_max;
378 min_power = pg->power_min;
379 length -= sizeof(struct mwifiex_power_group);
380 }
381 while (length) {
382 pg++;
383 if (max_power < pg->power_max)
384 max_power = pg->power_max;
385
386 if (min_power > pg->power_min)
387 min_power = pg->power_min;
388
389 length -= sizeof(struct mwifiex_power_group);
390 }
391 if (pg_tlv_hdr->length > 0) {
392 priv->min_tx_power_level = (u8) min_power;
393 priv->max_tx_power_level = (u8) max_power;
394 }
395 } else {
396 return -1;
397 }
398
399 return 0;
400 }
401
402 /*
403 * This function handles the command response of set/get Tx power
404 * configurations.
405 *
406 * Handling includes changing the header fields into CPU format
407 * and saving the current Tx power level in driver.
408 */
409 static int mwifiex_ret_tx_power_cfg(struct mwifiex_private *priv,
410 struct host_cmd_ds_command *resp)
411 {
412 struct mwifiex_adapter *adapter = priv->adapter;
413 struct host_cmd_ds_txpwr_cfg *txp_cfg = &resp->params.txp_cfg;
414 struct mwifiex_types_power_group *pg_tlv_hdr;
415 struct mwifiex_power_group *pg;
416 u16 action = le16_to_cpu(txp_cfg->action);
417
418 switch (action) {
419 case HostCmd_ACT_GEN_GET:
420 {
421 pg_tlv_hdr =
422 (struct mwifiex_types_power_group *) ((u8 *)
423 txp_cfg +
424 sizeof
425 (struct
426 host_cmd_ds_txpwr_cfg));
427 pg = (struct mwifiex_power_group *) ((u8 *)
428 pg_tlv_hdr +
429 sizeof(struct
430 mwifiex_types_power_group));
431 if (adapter->hw_status ==
432 MWIFIEX_HW_STATUS_INITIALIZING)
433 mwifiex_get_power_level(priv, txp_cfg);
434 priv->tx_power_level = (u16) pg->power_min;
435 break;
436 }
437 case HostCmd_ACT_GEN_SET:
438 if (le32_to_cpu(txp_cfg->mode)) {
439 pg_tlv_hdr =
440 (struct mwifiex_types_power_group *) ((u8 *)
441 txp_cfg +
442 sizeof
443 (struct
444 host_cmd_ds_txpwr_cfg));
445 pg = (struct mwifiex_power_group *) ((u8 *) pg_tlv_hdr
446 +
447 sizeof(struct
448 mwifiex_types_power_group));
449 if (pg->power_max == pg->power_min)
450 priv->tx_power_level = (u16) pg->power_min;
451 }
452 break;
453 default:
454 dev_err(adapter->dev, "CMD_RESP: unknown cmd action %d\n",
455 action);
456 return 0;
457 }
458 dev_dbg(adapter->dev,
459 "info: Current TxPower Level = %d, Max Power=%d, Min Power=%d\n",
460 priv->tx_power_level, priv->max_tx_power_level,
461 priv->min_tx_power_level);
462
463 return 0;
464 }
465
466 /*
467 * This function handles the command response of set/get MAC address.
468 *
469 * Handling includes saving the MAC address in driver.
470 */
471 static int mwifiex_ret_802_11_mac_address(struct mwifiex_private *priv,
472 struct host_cmd_ds_command *resp)
473 {
474 struct host_cmd_ds_802_11_mac_address *cmd_mac_addr =
475 &resp->params.mac_addr;
476
477 memcpy(priv->curr_addr, cmd_mac_addr->mac_addr, ETH_ALEN);
478
479 dev_dbg(priv->adapter->dev,
480 "info: set mac address: %pM\n", priv->curr_addr);
481
482 return 0;
483 }
484
485 /*
486 * This function handles the command response of set/get MAC multicast
487 * address.
488 */
489 static int mwifiex_ret_mac_multicast_adr(struct mwifiex_private *priv,
490 struct host_cmd_ds_command *resp)
491 {
492 return 0;
493 }
494
495 /*
496 * This function handles the command response of get Tx rate query.
497 *
498 * Handling includes changing the header fields into CPU format
499 * and saving the Tx rate and HT information parameters in driver.
500 *
501 * Both rate configuration and current data rate can be retrieved
502 * with this request.
503 */
504 static int mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private *priv,
505 struct host_cmd_ds_command *resp)
506 {
507 priv->tx_rate = resp->params.tx_rate.tx_rate;
508 priv->tx_htinfo = resp->params.tx_rate.ht_info;
509 if (!priv->is_data_rate_auto)
510 priv->data_rate =
511 mwifiex_index_to_data_rate(priv->tx_rate,
512 priv->tx_htinfo);
513
514 return 0;
515 }
516
517 /*
518 * This function handles the command response of a deauthenticate
519 * command.
520 *
521 * If the deauthenticated MAC matches the current BSS MAC, the connection
522 * state is reset.
523 */
524 static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv,
525 struct host_cmd_ds_command *resp)
526 {
527 struct mwifiex_adapter *adapter = priv->adapter;
528
529 adapter->dbg.num_cmd_deauth++;
530 if (!memcmp(resp->params.deauth.mac_addr,
531 &priv->curr_bss_params.bss_descriptor.mac_address,
532 sizeof(resp->params.deauth.mac_addr)))
533 mwifiex_reset_connect_state(priv);
534
535 return 0;
536 }
537
538 /*
539 * This function handles the command response of ad-hoc stop.
540 *
541 * The function resets the connection state in driver.
542 */
543 static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv,
544 struct host_cmd_ds_command *resp)
545 {
546 mwifiex_reset_connect_state(priv);
547 return 0;
548 }
549
550 /*
551 * This function handles the command response of set/get key material.
552 *
553 * Handling includes updating the driver parameters to reflect the
554 * changes.
555 */
556 static int mwifiex_ret_802_11_key_material(struct mwifiex_private *priv,
557 struct host_cmd_ds_command *resp)
558 {
559 struct host_cmd_ds_802_11_key_material *key =
560 &resp->params.key_material;
561
562 if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) {
563 if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) {
564 dev_dbg(priv->adapter->dev, "info: key: GTK is set\n");
565 priv->wpa_is_gtk_set = true;
566 priv->scan_block = false;
567 }
568 }
569
570 memset(priv->aes_key.key_param_set.key, 0,
571 sizeof(key->key_param_set.key));
572 priv->aes_key.key_param_set.key_len = key->key_param_set.key_len;
573 memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key,
574 le16_to_cpu(priv->aes_key.key_param_set.key_len));
575
576 return 0;
577 }
578
579 /*
580 * This function handles the command response of get 11d domain information.
581 */
582 static int mwifiex_ret_802_11d_domain_info(struct mwifiex_private *priv,
583 struct host_cmd_ds_command *resp)
584 {
585 struct host_cmd_ds_802_11d_domain_info_rsp *domain_info =
586 &resp->params.domain_info_resp;
587 struct mwifiex_ietypes_domain_param_set *domain = &domain_info->domain;
588 u16 action = le16_to_cpu(domain_info->action);
589 u8 no_of_triplet;
590
591 no_of_triplet = (u8) ((le16_to_cpu(domain->header.len) -
592 IEEE80211_COUNTRY_STRING_LEN) /
593 sizeof(struct ieee80211_country_ie_triplet));
594
595 dev_dbg(priv->adapter->dev, "info: 11D Domain Info Resp:"
596 " no_of_triplet=%d\n", no_of_triplet);
597
598 if (no_of_triplet > MWIFIEX_MAX_TRIPLET_802_11D) {
599 dev_warn(priv->adapter->dev,
600 "11D: invalid number of triplets %d "
601 "returned!!\n", no_of_triplet);
602 return -1;
603 }
604
605 switch (action) {
606 case HostCmd_ACT_GEN_SET: /* Proc Set Action */
607 break;
608 case HostCmd_ACT_GEN_GET:
609 break;
610 default:
611 dev_err(priv->adapter->dev,
612 "11D: invalid action:%d\n", domain_info->action);
613 return -1;
614 }
615
616 return 0;
617 }
618
619 /*
620 * This function handles the command response of get RF channel.
621 *
622 * Handling includes changing the header fields into CPU format
623 * and saving the new channel in driver.
624 */
625 static int mwifiex_ret_802_11_rf_channel(struct mwifiex_private *priv,
626 struct host_cmd_ds_command *resp,
627 u16 *data_buf)
628 {
629 struct host_cmd_ds_802_11_rf_channel *rf_channel =
630 &resp->params.rf_channel;
631 u16 new_channel = le16_to_cpu(rf_channel->current_channel);
632
633 if (priv->curr_bss_params.bss_descriptor.channel != new_channel) {
634 dev_dbg(priv->adapter->dev, "cmd: Channel Switch: %d to %d\n",
635 priv->curr_bss_params.bss_descriptor.channel,
636 new_channel);
637 /* Update the channel again */
638 priv->curr_bss_params.bss_descriptor.channel = new_channel;
639 }
640
641 if (data_buf)
642 *data_buf = new_channel;
643
644 return 0;
645 }
646
647 /*
648 * This function handles the command response of get extended version.
649 *
650 * Handling includes forming the extended version string and sending it
651 * to application.
652 */
653 static int mwifiex_ret_ver_ext(struct mwifiex_private *priv,
654 struct host_cmd_ds_command *resp,
655 struct host_cmd_ds_version_ext *version_ext)
656 {
657 struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext;
658
659 if (version_ext) {
660 version_ext->version_str_sel = ver_ext->version_str_sel;
661 memcpy(version_ext->version_str, ver_ext->version_str,
662 sizeof(char) * 128);
663 memcpy(priv->version_str, ver_ext->version_str, 128);
664 }
665 return 0;
666 }
667
668 /*
669 * This function handles the command response of register access.
670 *
671 * The register value and offset are returned to the user. For EEPROM
672 * access, the byte count is also returned.
673 */
674 static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp,
675 void *data_buf)
676 {
677 struct mwifiex_ds_reg_rw *reg_rw;
678 struct mwifiex_ds_read_eeprom *eeprom;
679
680 if (data_buf) {
681 reg_rw = data_buf;
682 eeprom = data_buf;
683 switch (type) {
684 case HostCmd_CMD_MAC_REG_ACCESS:
685 {
686 struct host_cmd_ds_mac_reg_access *reg;
687 reg = (struct host_cmd_ds_mac_reg_access *)
688 &resp->params.mac_reg;
689 reg_rw->offset = cpu_to_le32(
690 (u32) le16_to_cpu(reg->offset));
691 reg_rw->value = reg->value;
692 break;
693 }
694 case HostCmd_CMD_BBP_REG_ACCESS:
695 {
696 struct host_cmd_ds_bbp_reg_access *reg;
697 reg = (struct host_cmd_ds_bbp_reg_access *)
698 &resp->params.bbp_reg;
699 reg_rw->offset = cpu_to_le32(
700 (u32) le16_to_cpu(reg->offset));
701 reg_rw->value = cpu_to_le32((u32) reg->value);
702 break;
703 }
704
705 case HostCmd_CMD_RF_REG_ACCESS:
706 {
707 struct host_cmd_ds_rf_reg_access *reg;
708 reg = (struct host_cmd_ds_rf_reg_access *)
709 &resp->params.rf_reg;
710 reg_rw->offset = cpu_to_le32(
711 (u32) le16_to_cpu(reg->offset));
712 reg_rw->value = cpu_to_le32((u32) reg->value);
713 break;
714 }
715 case HostCmd_CMD_PMIC_REG_ACCESS:
716 {
717 struct host_cmd_ds_pmic_reg_access *reg;
718 reg = (struct host_cmd_ds_pmic_reg_access *)
719 &resp->params.pmic_reg;
720 reg_rw->offset = cpu_to_le32(
721 (u32) le16_to_cpu(reg->offset));
722 reg_rw->value = cpu_to_le32((u32) reg->value);
723 break;
724 }
725 case HostCmd_CMD_CAU_REG_ACCESS:
726 {
727 struct host_cmd_ds_rf_reg_access *reg;
728 reg = (struct host_cmd_ds_rf_reg_access *)
729 &resp->params.rf_reg;
730 reg_rw->offset = cpu_to_le32(
731 (u32) le16_to_cpu(reg->offset));
732 reg_rw->value = cpu_to_le32((u32) reg->value);
733 break;
734 }
735 case HostCmd_CMD_802_11_EEPROM_ACCESS:
736 {
737 struct host_cmd_ds_802_11_eeprom_access
738 *cmd_eeprom =
739 (struct host_cmd_ds_802_11_eeprom_access
740 *) &resp->params.eeprom;
741 pr_debug("info: EEPROM read len=%x\n",
742 cmd_eeprom->byte_count);
743 if (le16_to_cpu(eeprom->byte_count) <
744 le16_to_cpu(
745 cmd_eeprom->byte_count)) {
746 eeprom->byte_count = cpu_to_le16(0);
747 pr_debug("info: EEPROM read "
748 "length is too big\n");
749 return -1;
750 }
751 eeprom->offset = cmd_eeprom->offset;
752 eeprom->byte_count = cmd_eeprom->byte_count;
753 if (le16_to_cpu(eeprom->byte_count) > 0)
754 memcpy(&eeprom->value,
755 &cmd_eeprom->value,
756 le16_to_cpu(eeprom->byte_count));
757
758 break;
759 }
760 default:
761 return -1;
762 }
763 }
764 return 0;
765 }
766
767 /*
768 * This function handles the command response of get IBSS coalescing status.
769 *
770 * If the received BSSID is different than the current one, the current BSSID,
771 * beacon interval, ATIM window and ERP information are updated, along with
772 * changing the ad-hoc state accordingly.
773 */
774 static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv,
775 struct host_cmd_ds_command *resp)
776 {
777 struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp =
778 &(resp->params.ibss_coalescing);
779 u8 zero_mac[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 };
780
781 if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET)
782 return 0;
783
784 dev_dbg(priv->adapter->dev,
785 "info: new BSSID %pM\n", ibss_coal_resp->bssid);
786
787 /* If rsp has NULL BSSID, Just return..... No Action */
788 if (!memcmp(ibss_coal_resp->bssid, zero_mac, ETH_ALEN)) {
789 dev_warn(priv->adapter->dev, "new BSSID is NULL\n");
790 return 0;
791 }
792
793 /* If BSSID is diff, modify current BSS parameters */
794 if (memcmp(priv->curr_bss_params.bss_descriptor.mac_address,
795 ibss_coal_resp->bssid, ETH_ALEN)) {
796 /* BSSID */
797 memcpy(priv->curr_bss_params.bss_descriptor.mac_address,
798 ibss_coal_resp->bssid, ETH_ALEN);
799
800 /* Beacon Interval */
801 priv->curr_bss_params.bss_descriptor.beacon_period
802 = le16_to_cpu(ibss_coal_resp->beacon_interval);
803
804 /* ERP Information */
805 priv->curr_bss_params.bss_descriptor.erp_flags =
806 (u8) le16_to_cpu(ibss_coal_resp->use_g_rate_protect);
807
808 priv->adhoc_state = ADHOC_COALESCED;
809 }
810
811 return 0;
812 }
813
814 /*
815 * This function handles the command responses.
816 *
817 * This is a generic function, which calls command specific
818 * response handlers based on the command ID.
819 */
820 int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
821 struct host_cmd_ds_command *resp)
822 {
823 int ret = 0;
824 struct mwifiex_adapter *adapter = priv->adapter;
825 void *data_buf = adapter->curr_cmd->data_buf;
826
827 /* If the command is not successful, cleanup and return failure */
828 if (resp->result != HostCmd_RESULT_OK) {
829 mwifiex_process_cmdresp_error(priv, resp);
830 return -1;
831 }
832 /* Command successful, handle response */
833 switch (cmdresp_no) {
834 case HostCmd_CMD_GET_HW_SPEC:
835 ret = mwifiex_ret_get_hw_spec(priv, resp);
836 break;
837 case HostCmd_CMD_MAC_CONTROL:
838 break;
839 case HostCmd_CMD_802_11_MAC_ADDRESS:
840 ret = mwifiex_ret_802_11_mac_address(priv, resp);
841 break;
842 case HostCmd_CMD_MAC_MULTICAST_ADR:
843 ret = mwifiex_ret_mac_multicast_adr(priv, resp);
844 break;
845 case HostCmd_CMD_TX_RATE_CFG:
846 ret = mwifiex_ret_tx_rate_cfg(priv, resp, data_buf);
847 break;
848 case HostCmd_CMD_802_11_SCAN:
849 ret = mwifiex_ret_802_11_scan(priv, resp);
850 adapter->curr_cmd->wait_q_enabled = false;
851 break;
852 case HostCmd_CMD_802_11_BG_SCAN_QUERY:
853 ret = mwifiex_ret_802_11_scan(priv, resp);
854 dev_dbg(adapter->dev,
855 "info: CMD_RESP: BG_SCAN result is ready!\n");
856 break;
857 case HostCmd_CMD_TXPWR_CFG:
858 ret = mwifiex_ret_tx_power_cfg(priv, resp);
859 break;
860 case HostCmd_CMD_802_11_PS_MODE_ENH:
861 ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf);
862 break;
863 case HostCmd_CMD_802_11_HS_CFG_ENH:
864 ret = mwifiex_ret_802_11_hs_cfg(priv, resp);
865 break;
866 case HostCmd_CMD_802_11_ASSOCIATE:
867 ret = mwifiex_ret_802_11_associate(priv, resp);
868 break;
869 case HostCmd_CMD_802_11_DEAUTHENTICATE:
870 ret = mwifiex_ret_802_11_deauthenticate(priv, resp);
871 break;
872 case HostCmd_CMD_802_11_AD_HOC_START:
873 case HostCmd_CMD_802_11_AD_HOC_JOIN:
874 ret = mwifiex_ret_802_11_ad_hoc(priv, resp);
875 break;
876 case HostCmd_CMD_802_11_AD_HOC_STOP:
877 ret = mwifiex_ret_802_11_ad_hoc_stop(priv, resp);
878 break;
879 case HostCmd_CMD_802_11_GET_LOG:
880 ret = mwifiex_ret_get_log(priv, resp, data_buf);
881 break;
882 case HostCmd_CMD_RSSI_INFO:
883 ret = mwifiex_ret_802_11_rssi_info(priv, resp, data_buf);
884 break;
885 case HostCmd_CMD_802_11_SNMP_MIB:
886 ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf);
887 break;
888 case HostCmd_CMD_802_11_TX_RATE_QUERY:
889 ret = mwifiex_ret_802_11_tx_rate_query(priv, resp);
890 break;
891 case HostCmd_CMD_802_11_RF_CHANNEL:
892 ret = mwifiex_ret_802_11_rf_channel(priv, resp, data_buf);
893 break;
894 case HostCmd_CMD_VERSION_EXT:
895 ret = mwifiex_ret_ver_ext(priv, resp, data_buf);
896 break;
897 case HostCmd_CMD_FUNC_INIT:
898 case HostCmd_CMD_FUNC_SHUTDOWN:
899 break;
900 case HostCmd_CMD_802_11_KEY_MATERIAL:
901 ret = mwifiex_ret_802_11_key_material(priv, resp);
902 break;
903 case HostCmd_CMD_802_11D_DOMAIN_INFO:
904 ret = mwifiex_ret_802_11d_domain_info(priv, resp);
905 break;
906 case HostCmd_CMD_11N_ADDBA_REQ:
907 ret = mwifiex_ret_11n_addba_req(priv, resp);
908 break;
909 case HostCmd_CMD_11N_DELBA:
910 ret = mwifiex_ret_11n_delba(priv, resp);
911 break;
912 case HostCmd_CMD_11N_ADDBA_RSP:
913 ret = mwifiex_ret_11n_addba_resp(priv, resp);
914 break;
915 case HostCmd_CMD_RECONFIGURE_TX_BUFF:
916 adapter->tx_buf_size = (u16) le16_to_cpu(resp->params.
917 tx_buf.buff_size);
918 adapter->tx_buf_size = (adapter->tx_buf_size /
919 MWIFIEX_SDIO_BLOCK_SIZE) *
920 MWIFIEX_SDIO_BLOCK_SIZE;
921 adapter->curr_tx_buf_size = adapter->tx_buf_size;
922 dev_dbg(adapter->dev,
923 "cmd: max_tx_buf_size=%d, tx_buf_size=%d\n",
924 adapter->max_tx_buf_size, adapter->tx_buf_size);
925
926 if (adapter->if_ops.update_mp_end_port)
927 adapter->if_ops.update_mp_end_port(adapter,
928 le16_to_cpu(resp->
929 params.
930 tx_buf.
931 mp_end_port));
932 break;
933 case HostCmd_CMD_AMSDU_AGGR_CTRL:
934 ret = mwifiex_ret_amsdu_aggr_ctrl(resp, data_buf);
935 break;
936 case HostCmd_CMD_WMM_GET_STATUS:
937 ret = mwifiex_ret_wmm_get_status(priv, resp);
938 break;
939 case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
940 ret = mwifiex_ret_ibss_coalescing_status(priv, resp);
941 break;
942 case HostCmd_CMD_MAC_REG_ACCESS:
943 case HostCmd_CMD_BBP_REG_ACCESS:
944 case HostCmd_CMD_RF_REG_ACCESS:
945 case HostCmd_CMD_PMIC_REG_ACCESS:
946 case HostCmd_CMD_CAU_REG_ACCESS:
947 case HostCmd_CMD_802_11_EEPROM_ACCESS:
948 ret = mwifiex_ret_reg_access(cmdresp_no, resp, data_buf);
949 break;
950 case HostCmd_CMD_SET_BSS_MODE:
951 break;
952 case HostCmd_CMD_11N_CFG:
953 ret = mwifiex_ret_11n_cfg(resp, data_buf);
954 break;
955 default:
956 dev_err(adapter->dev, "CMD_RESP: unknown cmd response %#x\n",
957 resp->command);
958 break;
959 }
960
961 return ret;
962 }
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