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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 */
42static void
43mwifiex_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,
61 "PS_MODE_ENH cmd failed: 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 */
121static int mwifiex_ret_802_11_rssi_info(struct mwifiex_private *priv,
122 struct host_cmd_ds_command *resp)
123{
124 struct host_cmd_ds_802_11_rssi_info_rsp *rssi_info_rsp =
125 &resp->params.rssi_info_rsp;
126 struct mwifiex_ds_misc_subsc_evt subsc_evt;
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 if (priv->subsc_evt_rssi_state == EVENT_HANDLED)
141 return 0;
142
143 /* Resubscribe low and high rssi events with new thresholds */
144 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
145 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
146 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
147 if (priv->subsc_evt_rssi_state == RSSI_LOW_RECVD) {
148 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg -
149 priv->cqm_rssi_hyst);
150 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
151 } else if (priv->subsc_evt_rssi_state == RSSI_HIGH_RECVD) {
152 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
153 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg +
154 priv->cqm_rssi_hyst);
155 }
156 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
157 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
158
159 priv->subsc_evt_rssi_state = EVENT_HANDLED;
160
161 mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
162 0, 0, &subsc_evt);
163
164 return 0;
165}
166
167/*
168 * This function handles the command response of set/get SNMP
169 * MIB parameters.
170 *
171 * Handling includes changing the header fields into CPU format
172 * and saving the parameter in driver.
173 *
174 * The following parameters are supported -
175 * - Fragmentation threshold
176 * - RTS threshold
177 * - Short retry limit
178 */
179static int mwifiex_ret_802_11_snmp_mib(struct mwifiex_private *priv,
180 struct host_cmd_ds_command *resp,
181 u32 *data_buf)
182{
183 struct host_cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
184 u16 oid = le16_to_cpu(smib->oid);
185 u16 query_type = le16_to_cpu(smib->query_type);
186 u32 ul_temp;
187
188 dev_dbg(priv->adapter->dev, "info: SNMP_RESP: oid value = %#x,"
189 " query_type = %#x, buf size = %#x\n",
190 oid, query_type, le16_to_cpu(smib->buf_size));
191 if (query_type == HostCmd_ACT_GEN_GET) {
192 ul_temp = le16_to_cpu(*((__le16 *) (smib->value)));
193 if (data_buf)
194 *data_buf = ul_temp;
195 switch (oid) {
196 case FRAG_THRESH_I:
197 dev_dbg(priv->adapter->dev,
198 "info: SNMP_RESP: FragThsd =%u\n", ul_temp);
199 break;
200 case RTS_THRESH_I:
201 dev_dbg(priv->adapter->dev,
202 "info: SNMP_RESP: RTSThsd =%u\n", ul_temp);
203 break;
204 case SHORT_RETRY_LIM_I:
205 dev_dbg(priv->adapter->dev,
206 "info: SNMP_RESP: TxRetryCount=%u\n", ul_temp);
207 break;
208 case DTIM_PERIOD_I:
209 dev_dbg(priv->adapter->dev,
210 "info: SNMP_RESP: DTIM period=%u\n", ul_temp);
211 default:
212 break;
213 }
214 }
215
216 return 0;
217}
218
219/*
220 * This function handles the command response of get log request
221 *
222 * Handling includes changing the header fields into CPU format
223 * and sending the received parameters to application.
224 */
225static int mwifiex_ret_get_log(struct mwifiex_private *priv,
226 struct host_cmd_ds_command *resp,
227 struct mwifiex_ds_get_stats *stats)
228{
229 struct host_cmd_ds_802_11_get_log *get_log =
230 (struct host_cmd_ds_802_11_get_log *) &resp->params.get_log;
231
232 if (stats) {
233 stats->mcast_tx_frame = le32_to_cpu(get_log->mcast_tx_frame);
234 stats->failed = le32_to_cpu(get_log->failed);
235 stats->retry = le32_to_cpu(get_log->retry);
236 stats->multi_retry = le32_to_cpu(get_log->multi_retry);
237 stats->frame_dup = le32_to_cpu(get_log->frame_dup);
238 stats->rts_success = le32_to_cpu(get_log->rts_success);
239 stats->rts_failure = le32_to_cpu(get_log->rts_failure);
240 stats->ack_failure = le32_to_cpu(get_log->ack_failure);
241 stats->rx_frag = le32_to_cpu(get_log->rx_frag);
242 stats->mcast_rx_frame = le32_to_cpu(get_log->mcast_rx_frame);
243 stats->fcs_error = le32_to_cpu(get_log->fcs_error);
244 stats->tx_frame = le32_to_cpu(get_log->tx_frame);
245 stats->wep_icv_error[0] =
246 le32_to_cpu(get_log->wep_icv_err_cnt[0]);
247 stats->wep_icv_error[1] =
248 le32_to_cpu(get_log->wep_icv_err_cnt[1]);
249 stats->wep_icv_error[2] =
250 le32_to_cpu(get_log->wep_icv_err_cnt[2]);
251 stats->wep_icv_error[3] =
252 le32_to_cpu(get_log->wep_icv_err_cnt[3]);
253 }
254
255 return 0;
256}
257
258/*
259 * This function handles the command response of set/get Tx rate
260 * configurations.
261 *
262 * Handling includes changing the header fields into CPU format
263 * and saving the following parameters in driver -
264 * - DSSS rate bitmap
265 * - OFDM rate bitmap
266 * - HT MCS rate bitmaps
267 *
268 * Based on the new rate bitmaps, the function re-evaluates if
269 * auto data rate has been activated. If not, it sends another
270 * query to the firmware to get the current Tx data rate and updates
271 * the driver value.
272 */
273static int mwifiex_ret_tx_rate_cfg(struct mwifiex_private *priv,
274 struct host_cmd_ds_command *resp,
275 struct mwifiex_rate_cfg *ds_rate)
276{
277 struct host_cmd_ds_tx_rate_cfg *rate_cfg = &resp->params.tx_rate_cfg;
278 struct mwifiex_rate_scope *rate_scope;
279 struct mwifiex_ie_types_header *head;
280 u16 tlv, tlv_buf_len;
281 u8 *tlv_buf;
282 u32 i;
283 int ret = 0;
284
285 tlv_buf = (u8 *) ((u8 *) rate_cfg) +
286 sizeof(struct host_cmd_ds_tx_rate_cfg);
287 tlv_buf_len = *(u16 *) (tlv_buf + sizeof(u16));
288
289 while (tlv_buf && tlv_buf_len > 0) {
290 tlv = (*tlv_buf);
291 tlv = tlv | (*(tlv_buf + 1) << 8);
292
293 switch (tlv) {
294 case TLV_TYPE_RATE_SCOPE:
295 rate_scope = (struct mwifiex_rate_scope *) tlv_buf;
296 priv->bitmap_rates[0] =
297 le16_to_cpu(rate_scope->hr_dsss_rate_bitmap);
298 priv->bitmap_rates[1] =
299 le16_to_cpu(rate_scope->ofdm_rate_bitmap);
300 for (i = 0;
301 i <
302 sizeof(rate_scope->ht_mcs_rate_bitmap) /
303 sizeof(u16); i++)
304 priv->bitmap_rates[2 + i] =
305 le16_to_cpu(rate_scope->
306 ht_mcs_rate_bitmap[i]);
307 break;
308 /* Add RATE_DROP tlv here */
309 }
310
311 head = (struct mwifiex_ie_types_header *) tlv_buf;
312 tlv_buf += le16_to_cpu(head->len) + sizeof(*head);
313 tlv_buf_len -= le16_to_cpu(head->len);
314 }
315
316 priv->is_data_rate_auto = mwifiex_is_rate_auto(priv);
317
318 if (priv->is_data_rate_auto)
319 priv->data_rate = 0;
320 else
321 ret = mwifiex_send_cmd_async(priv,
322 HostCmd_CMD_802_11_TX_RATE_QUERY,
323 HostCmd_ACT_GEN_GET, 0, NULL);
324
325 if (!ds_rate)
326 return ret;
327
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 return ret;
332 }
333 ds_rate->rate = mwifiex_get_rate_index(priv->bitmap_rates,
334 sizeof(priv->bitmap_rates));
335
336 if (ds_rate->rate >= MWIFIEX_RATE_BITMAP_OFDM0 &&
337 ds_rate->rate <= MWIFIEX_RATE_BITMAP_OFDM7)
338 ds_rate->rate -= (MWIFIEX_RATE_BITMAP_OFDM0 -
339 MWIFIEX_RATE_INDEX_OFDM0);
340
341 if (ds_rate->rate >= MWIFIEX_RATE_BITMAP_MCS0 &&
342 ds_rate->rate <= MWIFIEX_RATE_BITMAP_MCS127)
343 ds_rate->rate -= (MWIFIEX_RATE_BITMAP_MCS0 -
344 MWIFIEX_RATE_INDEX_MCS0);
345 }
346
347 return ret;
348}
349
350/*
351 * This function handles the command response of get Tx power level.
352 *
353 * Handling includes saving the maximum and minimum Tx power levels
354 * in driver, as well as sending the values to user.
355 */
356static int mwifiex_get_power_level(struct mwifiex_private *priv, void *data_buf)
357{
358 int length, max_power = -1, min_power = -1;
359 struct mwifiex_types_power_group *pg_tlv_hdr;
360 struct mwifiex_power_group *pg;
361
362 if (!data_buf)
363 return -1;
364
365 pg_tlv_hdr = (struct mwifiex_types_power_group *)
366 ((u8 *) data_buf + sizeof(struct host_cmd_ds_txpwr_cfg));
367 pg = (struct mwifiex_power_group *)
368 ((u8 *) pg_tlv_hdr + sizeof(struct mwifiex_types_power_group));
369 length = pg_tlv_hdr->length;
370 if (length > 0) {
371 max_power = pg->power_max;
372 min_power = pg->power_min;
373 length -= sizeof(struct mwifiex_power_group);
374 }
375 while (length) {
376 pg++;
377 if (max_power < pg->power_max)
378 max_power = pg->power_max;
379
380 if (min_power > pg->power_min)
381 min_power = pg->power_min;
382
383 length -= sizeof(struct mwifiex_power_group);
384 }
385 if (pg_tlv_hdr->length > 0) {
386 priv->min_tx_power_level = (u8) min_power;
387 priv->max_tx_power_level = (u8) max_power;
388 }
389
390 return 0;
391}
392
393/*
394 * This function handles the command response of set/get Tx power
395 * configurations.
396 *
397 * Handling includes changing the header fields into CPU format
398 * and saving the current Tx power level in driver.
399 */
400static int mwifiex_ret_tx_power_cfg(struct mwifiex_private *priv,
401 struct host_cmd_ds_command *resp)
402{
403 struct mwifiex_adapter *adapter = priv->adapter;
404 struct host_cmd_ds_txpwr_cfg *txp_cfg = &resp->params.txp_cfg;
405 struct mwifiex_types_power_group *pg_tlv_hdr;
406 struct mwifiex_power_group *pg;
407 u16 action = le16_to_cpu(txp_cfg->action);
408
409 switch (action) {
410 case HostCmd_ACT_GEN_GET:
411 pg_tlv_hdr = (struct mwifiex_types_power_group *)
412 ((u8 *) txp_cfg +
413 sizeof(struct host_cmd_ds_txpwr_cfg));
414
415 pg = (struct mwifiex_power_group *)
416 ((u8 *) pg_tlv_hdr +
417 sizeof(struct mwifiex_types_power_group));
418
419 if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING)
420 mwifiex_get_power_level(priv, txp_cfg);
421
422 priv->tx_power_level = (u16) pg->power_min;
423 break;
424
425 case HostCmd_ACT_GEN_SET:
426 if (!le32_to_cpu(txp_cfg->mode))
427 break;
428
429 pg_tlv_hdr = (struct mwifiex_types_power_group *)
430 ((u8 *) txp_cfg +
431 sizeof(struct host_cmd_ds_txpwr_cfg));
432
433 pg = (struct mwifiex_power_group *)
434 ((u8 *) pg_tlv_hdr +
435 sizeof(struct mwifiex_types_power_group));
436
437 if (pg->power_max == pg->power_min)
438 priv->tx_power_level = (u16) pg->power_min;
439 break;
440 default:
441 dev_err(adapter->dev, "CMD_RESP: unknown cmd action %d\n",
442 action);
443 return 0;
444 }
445 dev_dbg(adapter->dev,
446 "info: Current TxPower Level = %d, Max Power=%d, Min Power=%d\n",
447 priv->tx_power_level, priv->max_tx_power_level,
448 priv->min_tx_power_level);
449
450 return 0;
451}
452
453/*
454 * This function handles the command response of set/get MAC address.
455 *
456 * Handling includes saving the MAC address in driver.
457 */
458static int mwifiex_ret_802_11_mac_address(struct mwifiex_private *priv,
459 struct host_cmd_ds_command *resp)
460{
461 struct host_cmd_ds_802_11_mac_address *cmd_mac_addr =
462 &resp->params.mac_addr;
463
464 memcpy(priv->curr_addr, cmd_mac_addr->mac_addr, ETH_ALEN);
465
466 dev_dbg(priv->adapter->dev,
467 "info: set mac address: %pM\n", priv->curr_addr);
468
469 return 0;
470}
471
472/*
473 * This function handles the command response of set/get MAC multicast
474 * address.
475 */
476static int mwifiex_ret_mac_multicast_adr(struct mwifiex_private *priv,
477 struct host_cmd_ds_command *resp)
478{
479 return 0;
480}
481
482/*
483 * This function handles the command response of get Tx rate query.
484 *
485 * Handling includes changing the header fields into CPU format
486 * and saving the Tx rate and HT information parameters in driver.
487 *
488 * Both rate configuration and current data rate can be retrieved
489 * with this request.
490 */
491static int mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private *priv,
492 struct host_cmd_ds_command *resp)
493{
494 priv->tx_rate = resp->params.tx_rate.tx_rate;
495 priv->tx_htinfo = resp->params.tx_rate.ht_info;
496 if (!priv->is_data_rate_auto)
497 priv->data_rate =
498 mwifiex_index_to_data_rate(priv, priv->tx_rate,
499 priv->tx_htinfo);
500
501 return 0;
502}
503
504/*
505 * This function handles the command response of a deauthenticate
506 * command.
507 *
508 * If the deauthenticated MAC matches the current BSS MAC, the connection
509 * state is reset.
510 */
511static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv,
512 struct host_cmd_ds_command *resp)
513{
514 struct mwifiex_adapter *adapter = priv->adapter;
515
516 adapter->dbg.num_cmd_deauth++;
517 if (!memcmp(resp->params.deauth.mac_addr,
518 &priv->curr_bss_params.bss_descriptor.mac_address,
519 sizeof(resp->params.deauth.mac_addr)))
520 mwifiex_reset_connect_state(priv);
521
522 return 0;
523}
524
525/*
526 * This function handles the command response of ad-hoc stop.
527 *
528 * The function resets the connection state in driver.
529 */
530static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv,
531 struct host_cmd_ds_command *resp)
532{
533 mwifiex_reset_connect_state(priv);
534 return 0;
535}
536
537/*
538 * This function handles the command response of set/get key material.
539 *
540 * Handling includes updating the driver parameters to reflect the
541 * changes.
542 */
543static int mwifiex_ret_802_11_key_material(struct mwifiex_private *priv,
544 struct host_cmd_ds_command *resp)
545{
546 struct host_cmd_ds_802_11_key_material *key =
547 &resp->params.key_material;
548
549 if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) {
550 if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) {
551 dev_dbg(priv->adapter->dev, "info: key: GTK is set\n");
552 priv->wpa_is_gtk_set = true;
553 priv->scan_block = false;
554 }
555 }
556
557 memset(priv->aes_key.key_param_set.key, 0,
558 sizeof(key->key_param_set.key));
559 priv->aes_key.key_param_set.key_len = key->key_param_set.key_len;
560 memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key,
561 le16_to_cpu(priv->aes_key.key_param_set.key_len));
562
563 return 0;
564}
565
566/*
567 * This function handles the command response of get 11d domain information.
568 */
569static int mwifiex_ret_802_11d_domain_info(struct mwifiex_private *priv,
570 struct host_cmd_ds_command *resp)
571{
572 struct host_cmd_ds_802_11d_domain_info_rsp *domain_info =
573 &resp->params.domain_info_resp;
574 struct mwifiex_ietypes_domain_param_set *domain = &domain_info->domain;
575 u16 action = le16_to_cpu(domain_info->action);
576 u8 no_of_triplet;
577
578 no_of_triplet = (u8) ((le16_to_cpu(domain->header.len)
579 - IEEE80211_COUNTRY_STRING_LEN)
580 / sizeof(struct ieee80211_country_ie_triplet));
581
582 dev_dbg(priv->adapter->dev,
583 "info: 11D Domain Info Resp: no_of_triplet=%d\n",
584 no_of_triplet);
585
586 if (no_of_triplet > MWIFIEX_MAX_TRIPLET_802_11D) {
587 dev_warn(priv->adapter->dev,
588 "11D: invalid number of triplets %d returned\n",
589 no_of_triplet);
590 return -1;
591 }
592
593 switch (action) {
594 case HostCmd_ACT_GEN_SET: /* Proc Set Action */
595 break;
596 case HostCmd_ACT_GEN_GET:
597 break;
598 default:
599 dev_err(priv->adapter->dev,
600 "11D: invalid action:%d\n", domain_info->action);
601 return -1;
602 }
603
604 return 0;
605}
606
607/*
608 * This function handles the command response of get RF channel.
609 *
610 * Handling includes changing the header fields into CPU format
611 * and saving the new channel in driver.
612 */
613static int mwifiex_ret_802_11_rf_channel(struct mwifiex_private *priv,
614 struct host_cmd_ds_command *resp,
615 u16 *data_buf)
616{
617 struct host_cmd_ds_802_11_rf_channel *rf_channel =
618 &resp->params.rf_channel;
619 u16 new_channel = le16_to_cpu(rf_channel->current_channel);
620
621 if (priv->curr_bss_params.bss_descriptor.channel != new_channel) {
622 dev_dbg(priv->adapter->dev, "cmd: Channel Switch: %d to %d\n",
623 priv->curr_bss_params.bss_descriptor.channel,
624 new_channel);
625 /* Update the channel again */
626 priv->curr_bss_params.bss_descriptor.channel = new_channel;
627 }
628
629 if (data_buf)
630 *data_buf = new_channel;
631
632 return 0;
633}
634
635/*
636 * This function handles the command response of get extended version.
637 *
638 * Handling includes forming the extended version string and sending it
639 * to application.
640 */
641static int mwifiex_ret_ver_ext(struct mwifiex_private *priv,
642 struct host_cmd_ds_command *resp,
643 struct host_cmd_ds_version_ext *version_ext)
644{
645 struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext;
646
647 if (version_ext) {
648 version_ext->version_str_sel = ver_ext->version_str_sel;
649 memcpy(version_ext->version_str, ver_ext->version_str,
650 sizeof(char) * 128);
651 memcpy(priv->version_str, ver_ext->version_str, 128);
652 }
653 return 0;
654}
655
656/*
657 * This function handles the command response of register access.
658 *
659 * The register value and offset are returned to the user. For EEPROM
660 * access, the byte count is also returned.
661 */
662static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp,
663 void *data_buf)
664{
665 struct mwifiex_ds_reg_rw *reg_rw;
666 struct mwifiex_ds_read_eeprom *eeprom;
667 union reg {
668 struct host_cmd_ds_mac_reg_access *mac;
669 struct host_cmd_ds_bbp_reg_access *bbp;
670 struct host_cmd_ds_rf_reg_access *rf;
671 struct host_cmd_ds_pmic_reg_access *pmic;
672 struct host_cmd_ds_802_11_eeprom_access *eeprom;
673 } r;
674
675 if (!data_buf)
676 return 0;
677
678 reg_rw = data_buf;
679 eeprom = data_buf;
680 switch (type) {
681 case HostCmd_CMD_MAC_REG_ACCESS:
682 r.mac = (struct host_cmd_ds_mac_reg_access *)
683 &resp->params.mac_reg;
684 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.mac->offset));
685 reg_rw->value = r.mac->value;
686 break;
687 case HostCmd_CMD_BBP_REG_ACCESS:
688 r.bbp = (struct host_cmd_ds_bbp_reg_access *)
689 &resp->params.bbp_reg;
690 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.bbp->offset));
691 reg_rw->value = cpu_to_le32((u32) r.bbp->value);
692 break;
693
694 case HostCmd_CMD_RF_REG_ACCESS:
695 r.rf = (struct host_cmd_ds_rf_reg_access *)
696 &resp->params.rf_reg;
697 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.rf->offset));
698 reg_rw->value = cpu_to_le32((u32) r.bbp->value);
699 break;
700 case HostCmd_CMD_PMIC_REG_ACCESS:
701 r.pmic = (struct host_cmd_ds_pmic_reg_access *)
702 &resp->params.pmic_reg;
703 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.pmic->offset));
704 reg_rw->value = cpu_to_le32((u32) r.pmic->value);
705 break;
706 case HostCmd_CMD_CAU_REG_ACCESS:
707 r.rf = (struct host_cmd_ds_rf_reg_access *)
708 &resp->params.rf_reg;
709 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.rf->offset));
710 reg_rw->value = cpu_to_le32((u32) r.rf->value);
711 break;
712 case HostCmd_CMD_802_11_EEPROM_ACCESS:
713 r.eeprom = (struct host_cmd_ds_802_11_eeprom_access *)
714 &resp->params.eeprom;
715 pr_debug("info: EEPROM read len=%x\n", r.eeprom->byte_count);
716 if (le16_to_cpu(eeprom->byte_count) <
717 le16_to_cpu(r.eeprom->byte_count)) {
718 eeprom->byte_count = cpu_to_le16(0);
719 pr_debug("info: EEPROM read length is too big\n");
720 return -1;
721 }
722 eeprom->offset = r.eeprom->offset;
723 eeprom->byte_count = r.eeprom->byte_count;
724 if (le16_to_cpu(eeprom->byte_count) > 0)
725 memcpy(&eeprom->value, &r.eeprom->value,
726 le16_to_cpu(r.eeprom->byte_count));
727
728 break;
729 default:
730 return -1;
731 }
732 return 0;
733}
734
735/*
736 * This function handles the command response of get IBSS coalescing status.
737 *
738 * If the received BSSID is different than the current one, the current BSSID,
739 * beacon interval, ATIM window and ERP information are updated, along with
740 * changing the ad-hoc state accordingly.
741 */
742static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv,
743 struct host_cmd_ds_command *resp)
744{
745 struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp =
746 &(resp->params.ibss_coalescing);
747 u8 zero_mac[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 };
748
749 if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET)
750 return 0;
751
752 dev_dbg(priv->adapter->dev,
753 "info: new BSSID %pM\n", ibss_coal_resp->bssid);
754
755 /* If rsp has NULL BSSID, Just return..... No Action */
756 if (!memcmp(ibss_coal_resp->bssid, zero_mac, ETH_ALEN)) {
757 dev_warn(priv->adapter->dev, "new BSSID is NULL\n");
758 return 0;
759 }
760
761 /* If BSSID is diff, modify current BSS parameters */
762 if (memcmp(priv->curr_bss_params.bss_descriptor.mac_address,
763 ibss_coal_resp->bssid, ETH_ALEN)) {
764 /* BSSID */
765 memcpy(priv->curr_bss_params.bss_descriptor.mac_address,
766 ibss_coal_resp->bssid, ETH_ALEN);
767
768 /* Beacon Interval */
769 priv->curr_bss_params.bss_descriptor.beacon_period
770 = le16_to_cpu(ibss_coal_resp->beacon_interval);
771
772 /* ERP Information */
773 priv->curr_bss_params.bss_descriptor.erp_flags =
774 (u8) le16_to_cpu(ibss_coal_resp->use_g_rate_protect);
775
776 priv->adhoc_state = ADHOC_COALESCED;
777 }
778
779 return 0;
780}
781
782/*
783 * This function handles the command response for subscribe event command.
784 */
785static int mwifiex_ret_subsc_evt(struct mwifiex_private *priv,
786 struct host_cmd_ds_command *resp,
787 struct mwifiex_ds_misc_subsc_evt *sub_event)
788{
789 struct host_cmd_ds_802_11_subsc_evt *cmd_sub_event =
790 (struct host_cmd_ds_802_11_subsc_evt *)&resp->params.subsc_evt;
791
792 /* For every subscribe event command (Get/Set/Clear), FW reports the
793 * current set of subscribed events*/
794 dev_dbg(priv->adapter->dev, "Bitmap of currently subscribed events: %16x\n",
795 le16_to_cpu(cmd_sub_event->events));
796
797 /*Return the subscribed event info for a Get request*/
798 if (sub_event)
799 sub_event->events = le16_to_cpu(cmd_sub_event->events);
800
801 return 0;
802}
803
804/*
805 * This function handles the command responses.
806 *
807 * This is a generic function, which calls command specific
808 * response handlers based on the command ID.
809 */
810int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
811 struct host_cmd_ds_command *resp)
812{
813 int ret = 0;
814 struct mwifiex_adapter *adapter = priv->adapter;
815 void *data_buf = adapter->curr_cmd->data_buf;
816
817 /* If the command is not successful, cleanup and return failure */
818 if (resp->result != HostCmd_RESULT_OK) {
819 mwifiex_process_cmdresp_error(priv, resp);
820 return -1;
821 }
822 /* Command successful, handle response */
823 switch (cmdresp_no) {
824 case HostCmd_CMD_GET_HW_SPEC:
825 ret = mwifiex_ret_get_hw_spec(priv, resp);
826 break;
827 case HostCmd_CMD_MAC_CONTROL:
828 break;
829 case HostCmd_CMD_802_11_MAC_ADDRESS:
830 ret = mwifiex_ret_802_11_mac_address(priv, resp);
831 break;
832 case HostCmd_CMD_MAC_MULTICAST_ADR:
833 ret = mwifiex_ret_mac_multicast_adr(priv, resp);
834 break;
835 case HostCmd_CMD_TX_RATE_CFG:
836 ret = mwifiex_ret_tx_rate_cfg(priv, resp, data_buf);
837 break;
838 case HostCmd_CMD_802_11_SCAN:
839 ret = mwifiex_ret_802_11_scan(priv, resp);
840 adapter->curr_cmd->wait_q_enabled = false;
841 break;
842 case HostCmd_CMD_802_11_BG_SCAN_QUERY:
843 ret = mwifiex_ret_802_11_scan(priv, resp);
844 dev_dbg(adapter->dev,
845 "info: CMD_RESP: BG_SCAN result is ready!\n");
846 break;
847 case HostCmd_CMD_TXPWR_CFG:
848 ret = mwifiex_ret_tx_power_cfg(priv, resp);
849 break;
850 case HostCmd_CMD_802_11_PS_MODE_ENH:
851 ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf);
852 break;
853 case HostCmd_CMD_802_11_HS_CFG_ENH:
854 ret = mwifiex_ret_802_11_hs_cfg(priv, resp);
855 break;
856 case HostCmd_CMD_802_11_ASSOCIATE:
857 ret = mwifiex_ret_802_11_associate(priv, resp);
858 break;
859 case HostCmd_CMD_802_11_DEAUTHENTICATE:
860 ret = mwifiex_ret_802_11_deauthenticate(priv, resp);
861 break;
862 case HostCmd_CMD_802_11_AD_HOC_START:
863 case HostCmd_CMD_802_11_AD_HOC_JOIN:
864 ret = mwifiex_ret_802_11_ad_hoc(priv, resp);
865 break;
866 case HostCmd_CMD_802_11_AD_HOC_STOP:
867 ret = mwifiex_ret_802_11_ad_hoc_stop(priv, resp);
868 break;
869 case HostCmd_CMD_802_11_GET_LOG:
870 ret = mwifiex_ret_get_log(priv, resp, data_buf);
871 break;
872 case HostCmd_CMD_RSSI_INFO:
873 ret = mwifiex_ret_802_11_rssi_info(priv, resp);
874 break;
875 case HostCmd_CMD_802_11_SNMP_MIB:
876 ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf);
877 break;
878 case HostCmd_CMD_802_11_TX_RATE_QUERY:
879 ret = mwifiex_ret_802_11_tx_rate_query(priv, resp);
880 break;
881 case HostCmd_CMD_802_11_RF_CHANNEL:
882 ret = mwifiex_ret_802_11_rf_channel(priv, resp, data_buf);
883 break;
884 case HostCmd_CMD_VERSION_EXT:
885 ret = mwifiex_ret_ver_ext(priv, resp, data_buf);
886 break;
887 case HostCmd_CMD_FUNC_INIT:
888 case HostCmd_CMD_FUNC_SHUTDOWN:
889 break;
890 case HostCmd_CMD_802_11_KEY_MATERIAL:
891 ret = mwifiex_ret_802_11_key_material(priv, resp);
892 break;
893 case HostCmd_CMD_802_11D_DOMAIN_INFO:
894 ret = mwifiex_ret_802_11d_domain_info(priv, resp);
895 break;
896 case HostCmd_CMD_11N_ADDBA_REQ:
897 ret = mwifiex_ret_11n_addba_req(priv, resp);
898 break;
899 case HostCmd_CMD_11N_DELBA:
900 ret = mwifiex_ret_11n_delba(priv, resp);
901 break;
902 case HostCmd_CMD_11N_ADDBA_RSP:
903 ret = mwifiex_ret_11n_addba_resp(priv, resp);
904 break;
905 case HostCmd_CMD_RECONFIGURE_TX_BUFF:
906 adapter->tx_buf_size = (u16) le16_to_cpu(resp->params.
907 tx_buf.buff_size);
908 adapter->tx_buf_size = (adapter->tx_buf_size
909 / MWIFIEX_SDIO_BLOCK_SIZE)
910 * MWIFIEX_SDIO_BLOCK_SIZE;
911 adapter->curr_tx_buf_size = adapter->tx_buf_size;
912 dev_dbg(adapter->dev,
913 "cmd: max_tx_buf_size=%d, tx_buf_size=%d\n",
914 adapter->max_tx_buf_size, adapter->tx_buf_size);
915
916 if (adapter->if_ops.update_mp_end_port)
917 adapter->if_ops.update_mp_end_port(adapter,
918 le16_to_cpu(resp->params.tx_buf.mp_end_port));
919 break;
920 case HostCmd_CMD_AMSDU_AGGR_CTRL:
921 ret = mwifiex_ret_amsdu_aggr_ctrl(resp, data_buf);
922 break;
923 case HostCmd_CMD_WMM_GET_STATUS:
924 ret = mwifiex_ret_wmm_get_status(priv, resp);
925 break;
926 case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
927 ret = mwifiex_ret_ibss_coalescing_status(priv, resp);
928 break;
929 case HostCmd_CMD_MAC_REG_ACCESS:
930 case HostCmd_CMD_BBP_REG_ACCESS:
931 case HostCmd_CMD_RF_REG_ACCESS:
932 case HostCmd_CMD_PMIC_REG_ACCESS:
933 case HostCmd_CMD_CAU_REG_ACCESS:
934 case HostCmd_CMD_802_11_EEPROM_ACCESS:
935 ret = mwifiex_ret_reg_access(cmdresp_no, resp, data_buf);
936 break;
937 case HostCmd_CMD_SET_BSS_MODE:
938 break;
939 case HostCmd_CMD_11N_CFG:
940 ret = mwifiex_ret_11n_cfg(resp, data_buf);
941 break;
942 case HostCmd_CMD_PCIE_DESC_DETAILS:
943 break;
944 case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
945 ret = mwifiex_ret_subsc_evt(priv, resp, data_buf);
946 break;
947 case HostCmd_CMD_UAP_SYS_CONFIG:
948 break;
949 case HostCmd_CMD_UAP_BSS_START:
950 priv->bss_started = 1;
951 break;
952 case HostCmd_CMD_UAP_BSS_STOP:
953 priv->bss_started = 0;
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}