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 #include "11ac.h"
28
29
30 /*
31 * This function handles the command response error case.
32 *
33 * For scan response error, the function cancels all the pending
34 * scan commands and generates an event to inform the applications
35 * of the scan completion.
36 *
37 * For Power Save command failure, we do not retry enter PS
38 * command in case of Ad-hoc mode.
39 *
40 * For all other response errors, the current command buffer is freed
41 * and returned to the free command queue.
42 */
43 static void
mwifiex_process_cmdresp_error(struct mwifiex_private * priv,struct host_cmd_ds_command * resp)44 mwifiex_process_cmdresp_error(struct mwifiex_private *priv,
45 struct host_cmd_ds_command *resp)
46 {
47 struct cmd_ctrl_node *cmd_node = NULL, *tmp_node;
48 struct mwifiex_adapter *adapter = priv->adapter;
49 struct host_cmd_ds_802_11_ps_mode_enh *pm;
50 unsigned long flags;
51
52 dev_err(adapter->dev, "CMD_RESP: cmd %#x error, result=%#x\n",
53 resp->command, resp->result);
54
55 if (adapter->curr_cmd->wait_q_enabled)
56 adapter->cmd_wait_q.status = -1;
57
58 switch (le16_to_cpu(resp->command)) {
59 case HostCmd_CMD_802_11_PS_MODE_ENH:
60 pm = &resp->params.psmode_enh;
61 dev_err(adapter->dev,
62 "PS_MODE_ENH cmd failed: result=0x%x action=0x%X\n",
63 resp->result, le16_to_cpu(pm->action));
64 /* We do not re-try enter-ps command in ad-hoc mode. */
65 if (le16_to_cpu(pm->action) == EN_AUTO_PS &&
66 (le16_to_cpu(pm->params.ps_bitmap) & BITMAP_STA_PS) &&
67 priv->bss_mode == NL80211_IFTYPE_ADHOC)
68 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
69
70 break;
71 case HostCmd_CMD_802_11_SCAN:
72 /* Cancel all pending scan command */
73 spin_lock_irqsave(&adapter->scan_pending_q_lock, flags);
74 list_for_each_entry_safe(cmd_node, tmp_node,
75 &adapter->scan_pending_q, list) {
76 list_del(&cmd_node->list);
77 spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
78 flags);
79 mwifiex_insert_cmd_to_free_q(adapter, cmd_node);
80 spin_lock_irqsave(&adapter->scan_pending_q_lock, flags);
81 }
82 spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags);
83
84 spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
85 adapter->scan_processing = false;
86 spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
87 if (priv->report_scan_result)
88 priv->report_scan_result = false;
89 break;
90
91 case HostCmd_CMD_MAC_CONTROL:
92 break;
93
94 default:
95 break;
96 }
97 /* Handling errors here */
98 mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd);
99
100 spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
101 adapter->curr_cmd = NULL;
102 spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
103 }
104
105 /*
106 * This function handles the command response of get RSSI info.
107 *
108 * Handling includes changing the header fields into CPU format
109 * and saving the following parameters in driver -
110 * - Last data and beacon RSSI value
111 * - Average data and beacon RSSI value
112 * - Last data and beacon NF value
113 * - Average data and beacon NF value
114 *
115 * The parameters are send to the application as well, along with
116 * calculated SNR values.
117 */
mwifiex_ret_802_11_rssi_info(struct mwifiex_private * priv,struct host_cmd_ds_command * resp)118 static int mwifiex_ret_802_11_rssi_info(struct mwifiex_private *priv,
119 struct host_cmd_ds_command *resp)
120 {
121 struct host_cmd_ds_802_11_rssi_info_rsp *rssi_info_rsp =
122 &resp->params.rssi_info_rsp;
123 struct mwifiex_ds_misc_subsc_evt *subsc_evt =
124 &priv->async_subsc_evt_storage;
125
126 priv->data_rssi_last = le16_to_cpu(rssi_info_rsp->data_rssi_last);
127 priv->data_nf_last = le16_to_cpu(rssi_info_rsp->data_nf_last);
128
129 priv->data_rssi_avg = le16_to_cpu(rssi_info_rsp->data_rssi_avg);
130 priv->data_nf_avg = le16_to_cpu(rssi_info_rsp->data_nf_avg);
131
132 priv->bcn_rssi_last = le16_to_cpu(rssi_info_rsp->bcn_rssi_last);
133 priv->bcn_nf_last = le16_to_cpu(rssi_info_rsp->bcn_nf_last);
134
135 priv->bcn_rssi_avg = le16_to_cpu(rssi_info_rsp->bcn_rssi_avg);
136 priv->bcn_nf_avg = le16_to_cpu(rssi_info_rsp->bcn_nf_avg);
137
138 if (priv->subsc_evt_rssi_state == EVENT_HANDLED)
139 return 0;
140
141 memset(subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
142
143 /* Resubscribe low and high rssi events with new thresholds */
144 subsc_evt->events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
145 subsc_evt->action = HostCmd_ACT_BITWISE_SET;
146 if (priv->subsc_evt_rssi_state == RSSI_LOW_RECVD) {
147 subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg -
148 priv->cqm_rssi_hyst);
149 subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
150 } else if (priv->subsc_evt_rssi_state == RSSI_HIGH_RECVD) {
151 subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
152 subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg +
153 priv->cqm_rssi_hyst);
154 }
155 subsc_evt->bcn_l_rssi_cfg.evt_freq = 1;
156 subsc_evt->bcn_h_rssi_cfg.evt_freq = 1;
157
158 priv->subsc_evt_rssi_state = EVENT_HANDLED;
159
160 mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
161 0, 0, subsc_evt);
162
163 return 0;
164 }
165
166 /*
167 * This function handles the command response of set/get SNMP
168 * MIB parameters.
169 *
170 * Handling includes changing the header fields into CPU format
171 * and saving the parameter in driver.
172 *
173 * The following parameters are supported -
174 * - Fragmentation threshold
175 * - RTS threshold
176 * - Short retry limit
177 */
mwifiex_ret_802_11_snmp_mib(struct mwifiex_private * priv,struct host_cmd_ds_command * resp,u32 * data_buf)178 static int mwifiex_ret_802_11_snmp_mib(struct mwifiex_private *priv,
179 struct host_cmd_ds_command *resp,
180 u32 *data_buf)
181 {
182 struct host_cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
183 u16 oid = le16_to_cpu(smib->oid);
184 u16 query_type = le16_to_cpu(smib->query_type);
185 u32 ul_temp;
186
187 dev_dbg(priv->adapter->dev, "info: SNMP_RESP: oid value = %#x,"
188 " query_type = %#x, buf size = %#x\n",
189 oid, query_type, le16_to_cpu(smib->buf_size));
190 if (query_type == HostCmd_ACT_GEN_GET) {
191 ul_temp = le16_to_cpu(*((__le16 *) (smib->value)));
192 if (data_buf)
193 *data_buf = ul_temp;
194 switch (oid) {
195 case FRAG_THRESH_I:
196 dev_dbg(priv->adapter->dev,
197 "info: SNMP_RESP: FragThsd =%u\n", ul_temp);
198 break;
199 case RTS_THRESH_I:
200 dev_dbg(priv->adapter->dev,
201 "info: SNMP_RESP: RTSThsd =%u\n", ul_temp);
202 break;
203 case SHORT_RETRY_LIM_I:
204 dev_dbg(priv->adapter->dev,
205 "info: SNMP_RESP: TxRetryCount=%u\n", ul_temp);
206 break;
207 case DTIM_PERIOD_I:
208 dev_dbg(priv->adapter->dev,
209 "info: SNMP_RESP: DTIM period=%u\n", ul_temp);
210 default:
211 break;
212 }
213 }
214
215 return 0;
216 }
217
218 /*
219 * This function handles the command response of get log request
220 *
221 * Handling includes changing the header fields into CPU format
222 * and sending the received parameters to application.
223 */
mwifiex_ret_get_log(struct mwifiex_private * priv,struct host_cmd_ds_command * resp,struct mwifiex_ds_get_stats * stats)224 static int mwifiex_ret_get_log(struct mwifiex_private *priv,
225 struct host_cmd_ds_command *resp,
226 struct mwifiex_ds_get_stats *stats)
227 {
228 struct host_cmd_ds_802_11_get_log *get_log =
229 &resp->params.get_log;
230
231 if (stats) {
232 stats->mcast_tx_frame = le32_to_cpu(get_log->mcast_tx_frame);
233 stats->failed = le32_to_cpu(get_log->failed);
234 stats->retry = le32_to_cpu(get_log->retry);
235 stats->multi_retry = le32_to_cpu(get_log->multi_retry);
236 stats->frame_dup = le32_to_cpu(get_log->frame_dup);
237 stats->rts_success = le32_to_cpu(get_log->rts_success);
238 stats->rts_failure = le32_to_cpu(get_log->rts_failure);
239 stats->ack_failure = le32_to_cpu(get_log->ack_failure);
240 stats->rx_frag = le32_to_cpu(get_log->rx_frag);
241 stats->mcast_rx_frame = le32_to_cpu(get_log->mcast_rx_frame);
242 stats->fcs_error = le32_to_cpu(get_log->fcs_error);
243 stats->tx_frame = le32_to_cpu(get_log->tx_frame);
244 stats->wep_icv_error[0] =
245 le32_to_cpu(get_log->wep_icv_err_cnt[0]);
246 stats->wep_icv_error[1] =
247 le32_to_cpu(get_log->wep_icv_err_cnt[1]);
248 stats->wep_icv_error[2] =
249 le32_to_cpu(get_log->wep_icv_err_cnt[2]);
250 stats->wep_icv_error[3] =
251 le32_to_cpu(get_log->wep_icv_err_cnt[3]);
252 }
253
254 return 0;
255 }
256
257 /*
258 * This function handles the command response of set/get Tx rate
259 * configurations.
260 *
261 * Handling includes changing the header fields into CPU format
262 * and saving the following parameters in driver -
263 * - DSSS rate bitmap
264 * - OFDM rate bitmap
265 * - HT MCS rate bitmaps
266 *
267 * Based on the new rate bitmaps, the function re-evaluates if
268 * auto data rate has been activated. If not, it sends another
269 * query to the firmware to get the current Tx data rate.
270 */
mwifiex_ret_tx_rate_cfg(struct mwifiex_private * priv,struct host_cmd_ds_command * resp)271 static int mwifiex_ret_tx_rate_cfg(struct mwifiex_private *priv,
272 struct host_cmd_ds_command *resp)
273 {
274 struct host_cmd_ds_tx_rate_cfg *rate_cfg = &resp->params.tx_rate_cfg;
275 struct mwifiex_rate_scope *rate_scope;
276 struct mwifiex_ie_types_header *head;
277 u16 tlv, tlv_buf_len;
278 u8 *tlv_buf;
279 u32 i;
280
281 tlv_buf = ((u8 *)rate_cfg) +
282 sizeof(struct host_cmd_ds_tx_rate_cfg);
283 tlv_buf_len = *(u16 *) (tlv_buf + sizeof(u16));
284
285 while (tlv_buf && tlv_buf_len > 0) {
286 tlv = (*tlv_buf);
287 tlv = tlv | (*(tlv_buf + 1) << 8);
288
289 switch (tlv) {
290 case TLV_TYPE_RATE_SCOPE:
291 rate_scope = (struct mwifiex_rate_scope *) tlv_buf;
292 priv->bitmap_rates[0] =
293 le16_to_cpu(rate_scope->hr_dsss_rate_bitmap);
294 priv->bitmap_rates[1] =
295 le16_to_cpu(rate_scope->ofdm_rate_bitmap);
296 for (i = 0;
297 i <
298 sizeof(rate_scope->ht_mcs_rate_bitmap) /
299 sizeof(u16); i++)
300 priv->bitmap_rates[2 + i] =
301 le16_to_cpu(rate_scope->
302 ht_mcs_rate_bitmap[i]);
303 break;
304 /* Add RATE_DROP tlv here */
305 }
306
307 head = (struct mwifiex_ie_types_header *) tlv_buf;
308 tlv_buf += le16_to_cpu(head->len) + sizeof(*head);
309 tlv_buf_len -= le16_to_cpu(head->len);
310 }
311
312 priv->is_data_rate_auto = mwifiex_is_rate_auto(priv);
313
314 if (priv->is_data_rate_auto)
315 priv->data_rate = 0;
316 else
317 return mwifiex_send_cmd_async(priv,
318 HostCmd_CMD_802_11_TX_RATE_QUERY,
319 HostCmd_ACT_GEN_GET, 0, NULL);
320
321 return 0;
322 }
323
324 /*
325 * This function handles the command response of get Tx power level.
326 *
327 * Handling includes saving the maximum and minimum Tx power levels
328 * in driver, as well as sending the values to user.
329 */
mwifiex_get_power_level(struct mwifiex_private * priv,void * data_buf)330 static int mwifiex_get_power_level(struct mwifiex_private *priv, void *data_buf)
331 {
332 int length, max_power = -1, min_power = -1;
333 struct mwifiex_types_power_group *pg_tlv_hdr;
334 struct mwifiex_power_group *pg;
335
336 if (!data_buf)
337 return -1;
338
339 pg_tlv_hdr = (struct mwifiex_types_power_group *)
340 ((u8 *) data_buf + sizeof(struct host_cmd_ds_txpwr_cfg));
341 pg = (struct mwifiex_power_group *)
342 ((u8 *) pg_tlv_hdr + sizeof(struct mwifiex_types_power_group));
343 length = pg_tlv_hdr->length;
344 if (length > 0) {
345 max_power = pg->power_max;
346 min_power = pg->power_min;
347 length -= sizeof(struct mwifiex_power_group);
348 }
349 while (length) {
350 pg++;
351 if (max_power < pg->power_max)
352 max_power = pg->power_max;
353
354 if (min_power > pg->power_min)
355 min_power = pg->power_min;
356
357 length -= sizeof(struct mwifiex_power_group);
358 }
359 if (pg_tlv_hdr->length > 0) {
360 priv->min_tx_power_level = (u8) min_power;
361 priv->max_tx_power_level = (u8) max_power;
362 }
363
364 return 0;
365 }
366
367 /*
368 * This function handles the command response of set/get Tx power
369 * configurations.
370 *
371 * Handling includes changing the header fields into CPU format
372 * and saving the current Tx power level in driver.
373 */
mwifiex_ret_tx_power_cfg(struct mwifiex_private * priv,struct host_cmd_ds_command * resp)374 static int mwifiex_ret_tx_power_cfg(struct mwifiex_private *priv,
375 struct host_cmd_ds_command *resp)
376 {
377 struct mwifiex_adapter *adapter = priv->adapter;
378 struct host_cmd_ds_txpwr_cfg *txp_cfg = &resp->params.txp_cfg;
379 struct mwifiex_types_power_group *pg_tlv_hdr;
380 struct mwifiex_power_group *pg;
381 u16 action = le16_to_cpu(txp_cfg->action);
382
383 switch (action) {
384 case HostCmd_ACT_GEN_GET:
385 pg_tlv_hdr = (struct mwifiex_types_power_group *)
386 ((u8 *) txp_cfg +
387 sizeof(struct host_cmd_ds_txpwr_cfg));
388
389 pg = (struct mwifiex_power_group *)
390 ((u8 *) pg_tlv_hdr +
391 sizeof(struct mwifiex_types_power_group));
392
393 if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING)
394 mwifiex_get_power_level(priv, txp_cfg);
395
396 priv->tx_power_level = (u16) pg->power_min;
397 break;
398
399 case HostCmd_ACT_GEN_SET:
400 if (!le32_to_cpu(txp_cfg->mode))
401 break;
402
403 pg_tlv_hdr = (struct mwifiex_types_power_group *)
404 ((u8 *) txp_cfg +
405 sizeof(struct host_cmd_ds_txpwr_cfg));
406
407 pg = (struct mwifiex_power_group *)
408 ((u8 *) pg_tlv_hdr +
409 sizeof(struct mwifiex_types_power_group));
410
411 if (pg->power_max == pg->power_min)
412 priv->tx_power_level = (u16) pg->power_min;
413 break;
414 default:
415 dev_err(adapter->dev, "CMD_RESP: unknown cmd action %d\n",
416 action);
417 return 0;
418 }
419 dev_dbg(adapter->dev,
420 "info: Current TxPower Level = %d, Max Power=%d, Min Power=%d\n",
421 priv->tx_power_level, priv->max_tx_power_level,
422 priv->min_tx_power_level);
423
424 return 0;
425 }
426
427 /*
428 * This function handles the command response of get RF Tx power.
429 */
mwifiex_ret_rf_tx_power(struct mwifiex_private * priv,struct host_cmd_ds_command * resp)430 static int mwifiex_ret_rf_tx_power(struct mwifiex_private *priv,
431 struct host_cmd_ds_command *resp)
432 {
433 struct host_cmd_ds_rf_tx_pwr *txp = &resp->params.txp;
434 u16 action = le16_to_cpu(txp->action);
435
436 priv->tx_power_level = le16_to_cpu(txp->cur_level);
437
438 if (action == HostCmd_ACT_GEN_GET) {
439 priv->max_tx_power_level = txp->max_power;
440 priv->min_tx_power_level = txp->min_power;
441 }
442
443 dev_dbg(priv->adapter->dev,
444 "Current TxPower Level=%d, Max Power=%d, Min Power=%d\n",
445 priv->tx_power_level, priv->max_tx_power_level,
446 priv->min_tx_power_level);
447
448 return 0;
449 }
450
451 /*
452 * This function handles the command response of set rf antenna
453 */
mwifiex_ret_rf_antenna(struct mwifiex_private * priv,struct host_cmd_ds_command * resp)454 static int mwifiex_ret_rf_antenna(struct mwifiex_private *priv,
455 struct host_cmd_ds_command *resp)
456 {
457 struct host_cmd_ds_rf_ant_mimo *ant_mimo = &resp->params.ant_mimo;
458 struct host_cmd_ds_rf_ant_siso *ant_siso = &resp->params.ant_siso;
459 struct mwifiex_adapter *adapter = priv->adapter;
460
461 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
462 dev_dbg(adapter->dev,
463 "RF_ANT_RESP: Tx action = 0x%x, Tx Mode = 0x%04x"
464 " Rx action = 0x%x, Rx Mode = 0x%04x\n",
465 le16_to_cpu(ant_mimo->action_tx),
466 le16_to_cpu(ant_mimo->tx_ant_mode),
467 le16_to_cpu(ant_mimo->action_rx),
468 le16_to_cpu(ant_mimo->rx_ant_mode));
469 else
470 dev_dbg(adapter->dev,
471 "RF_ANT_RESP: action = 0x%x, Mode = 0x%04x\n",
472 le16_to_cpu(ant_siso->action),
473 le16_to_cpu(ant_siso->ant_mode));
474
475 return 0;
476 }
477
478 /*
479 * This function handles the command response of set/get MAC address.
480 *
481 * Handling includes saving the MAC address in driver.
482 */
mwifiex_ret_802_11_mac_address(struct mwifiex_private * priv,struct host_cmd_ds_command * resp)483 static int mwifiex_ret_802_11_mac_address(struct mwifiex_private *priv,
484 struct host_cmd_ds_command *resp)
485 {
486 struct host_cmd_ds_802_11_mac_address *cmd_mac_addr =
487 &resp->params.mac_addr;
488
489 memcpy(priv->curr_addr, cmd_mac_addr->mac_addr, ETH_ALEN);
490
491 dev_dbg(priv->adapter->dev,
492 "info: set mac address: %pM\n", priv->curr_addr);
493
494 return 0;
495 }
496
497 /*
498 * This function handles the command response of set/get MAC multicast
499 * address.
500 */
mwifiex_ret_mac_multicast_adr(struct mwifiex_private * priv,struct host_cmd_ds_command * resp)501 static int mwifiex_ret_mac_multicast_adr(struct mwifiex_private *priv,
502 struct host_cmd_ds_command *resp)
503 {
504 return 0;
505 }
506
507 /*
508 * This function handles the command response of get Tx rate query.
509 *
510 * Handling includes changing the header fields into CPU format
511 * and saving the Tx rate and HT information parameters in driver.
512 *
513 * Both rate configuration and current data rate can be retrieved
514 * with this request.
515 */
mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private * priv,struct host_cmd_ds_command * resp)516 static int mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private *priv,
517 struct host_cmd_ds_command *resp)
518 {
519 priv->tx_rate = resp->params.tx_rate.tx_rate;
520 priv->tx_htinfo = resp->params.tx_rate.ht_info;
521 if (!priv->is_data_rate_auto)
522 priv->data_rate =
523 mwifiex_index_to_data_rate(priv, priv->tx_rate,
524 priv->tx_htinfo);
525
526 return 0;
527 }
528
529 /*
530 * This function handles the command response of a deauthenticate
531 * command.
532 *
533 * If the deauthenticated MAC matches the current BSS MAC, the connection
534 * state is reset.
535 */
mwifiex_ret_802_11_deauthenticate(struct mwifiex_private * priv,struct host_cmd_ds_command * resp)536 static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv,
537 struct host_cmd_ds_command *resp)
538 {
539 struct mwifiex_adapter *adapter = priv->adapter;
540
541 adapter->dbg.num_cmd_deauth++;
542 if (!memcmp(resp->params.deauth.mac_addr,
543 &priv->curr_bss_params.bss_descriptor.mac_address,
544 sizeof(resp->params.deauth.mac_addr)))
545 mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING);
546
547 return 0;
548 }
549
550 /*
551 * This function handles the command response of ad-hoc stop.
552 *
553 * The function resets the connection state in driver.
554 */
mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private * priv,struct host_cmd_ds_command * resp)555 static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv,
556 struct host_cmd_ds_command *resp)
557 {
558 mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING);
559 return 0;
560 }
561
562 /*
563 * This function handles the command response of set/get key material.
564 *
565 * Handling includes updating the driver parameters to reflect the
566 * changes.
567 */
mwifiex_ret_802_11_key_material(struct mwifiex_private * priv,struct host_cmd_ds_command * resp)568 static int mwifiex_ret_802_11_key_material(struct mwifiex_private *priv,
569 struct host_cmd_ds_command *resp)
570 {
571 struct host_cmd_ds_802_11_key_material *key =
572 &resp->params.key_material;
573
574 if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) {
575 if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) {
576 dev_dbg(priv->adapter->dev, "info: key: GTK is set\n");
577 priv->wpa_is_gtk_set = true;
578 priv->scan_block = false;
579 }
580 }
581
582 memset(priv->aes_key.key_param_set.key, 0,
583 sizeof(key->key_param_set.key));
584 priv->aes_key.key_param_set.key_len = key->key_param_set.key_len;
585 memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key,
586 le16_to_cpu(priv->aes_key.key_param_set.key_len));
587
588 return 0;
589 }
590
591 /*
592 * This function handles the command response of get 11d domain information.
593 */
mwifiex_ret_802_11d_domain_info(struct mwifiex_private * priv,struct host_cmd_ds_command * resp)594 static int mwifiex_ret_802_11d_domain_info(struct mwifiex_private *priv,
595 struct host_cmd_ds_command *resp)
596 {
597 struct host_cmd_ds_802_11d_domain_info_rsp *domain_info =
598 &resp->params.domain_info_resp;
599 struct mwifiex_ietypes_domain_param_set *domain = &domain_info->domain;
600 u16 action = le16_to_cpu(domain_info->action);
601 u8 no_of_triplet;
602
603 no_of_triplet = (u8) ((le16_to_cpu(domain->header.len)
604 - IEEE80211_COUNTRY_STRING_LEN)
605 / sizeof(struct ieee80211_country_ie_triplet));
606
607 dev_dbg(priv->adapter->dev,
608 "info: 11D Domain Info Resp: no_of_triplet=%d\n",
609 no_of_triplet);
610
611 if (no_of_triplet > MWIFIEX_MAX_TRIPLET_802_11D) {
612 dev_warn(priv->adapter->dev,
613 "11D: invalid number of triplets %d returned\n",
614 no_of_triplet);
615 return -1;
616 }
617
618 switch (action) {
619 case HostCmd_ACT_GEN_SET: /* Proc Set Action */
620 break;
621 case HostCmd_ACT_GEN_GET:
622 break;
623 default:
624 dev_err(priv->adapter->dev,
625 "11D: invalid action:%d\n", domain_info->action);
626 return -1;
627 }
628
629 return 0;
630 }
631
632 /*
633 * This function handles the command response of get extended version.
634 *
635 * Handling includes forming the extended version string and sending it
636 * to application.
637 */
mwifiex_ret_ver_ext(struct mwifiex_private * priv,struct host_cmd_ds_command * resp,struct host_cmd_ds_version_ext * version_ext)638 static int mwifiex_ret_ver_ext(struct mwifiex_private *priv,
639 struct host_cmd_ds_command *resp,
640 struct host_cmd_ds_version_ext *version_ext)
641 {
642 struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext;
643
644 if (version_ext) {
645 version_ext->version_str_sel = ver_ext->version_str_sel;
646 memcpy(version_ext->version_str, ver_ext->version_str,
647 sizeof(char) * 128);
648 memcpy(priv->version_str, ver_ext->version_str, 128);
649 }
650 return 0;
651 }
652
653 /*
654 * This function handles the command response of remain on channel.
655 */
656 static int
mwifiex_ret_remain_on_chan(struct mwifiex_private * priv,struct host_cmd_ds_command * resp,struct host_cmd_ds_remain_on_chan * roc_cfg)657 mwifiex_ret_remain_on_chan(struct mwifiex_private *priv,
658 struct host_cmd_ds_command *resp,
659 struct host_cmd_ds_remain_on_chan *roc_cfg)
660 {
661 struct host_cmd_ds_remain_on_chan *resp_cfg = &resp->params.roc_cfg;
662
663 if (roc_cfg)
664 memcpy(roc_cfg, resp_cfg, sizeof(*roc_cfg));
665
666 return 0;
667 }
668
669 /*
670 * This function handles the command response of P2P mode cfg.
671 */
672 static int
mwifiex_ret_p2p_mode_cfg(struct mwifiex_private * priv,struct host_cmd_ds_command * resp,void * data_buf)673 mwifiex_ret_p2p_mode_cfg(struct mwifiex_private *priv,
674 struct host_cmd_ds_command *resp,
675 void *data_buf)
676 {
677 struct host_cmd_ds_p2p_mode_cfg *mode_cfg = &resp->params.mode_cfg;
678
679 if (data_buf)
680 *((u16 *)data_buf) = le16_to_cpu(mode_cfg->mode);
681
682 return 0;
683 }
684
685 /*
686 * This function handles the command response of register access.
687 *
688 * The register value and offset are returned to the user. For EEPROM
689 * access, the byte count is also returned.
690 */
mwifiex_ret_reg_access(u16 type,struct host_cmd_ds_command * resp,void * data_buf)691 static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp,
692 void *data_buf)
693 {
694 struct mwifiex_ds_reg_rw *reg_rw;
695 struct mwifiex_ds_read_eeprom *eeprom;
696 union reg {
697 struct host_cmd_ds_mac_reg_access *mac;
698 struct host_cmd_ds_bbp_reg_access *bbp;
699 struct host_cmd_ds_rf_reg_access *rf;
700 struct host_cmd_ds_pmic_reg_access *pmic;
701 struct host_cmd_ds_802_11_eeprom_access *eeprom;
702 } r;
703
704 if (!data_buf)
705 return 0;
706
707 reg_rw = data_buf;
708 eeprom = data_buf;
709 switch (type) {
710 case HostCmd_CMD_MAC_REG_ACCESS:
711 r.mac = &resp->params.mac_reg;
712 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.mac->offset));
713 reg_rw->value = r.mac->value;
714 break;
715 case HostCmd_CMD_BBP_REG_ACCESS:
716 r.bbp = &resp->params.bbp_reg;
717 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.bbp->offset));
718 reg_rw->value = cpu_to_le32((u32) r.bbp->value);
719 break;
720
721 case HostCmd_CMD_RF_REG_ACCESS:
722 r.rf = &resp->params.rf_reg;
723 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.rf->offset));
724 reg_rw->value = cpu_to_le32((u32) r.bbp->value);
725 break;
726 case HostCmd_CMD_PMIC_REG_ACCESS:
727 r.pmic = &resp->params.pmic_reg;
728 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.pmic->offset));
729 reg_rw->value = cpu_to_le32((u32) r.pmic->value);
730 break;
731 case HostCmd_CMD_CAU_REG_ACCESS:
732 r.rf = &resp->params.rf_reg;
733 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.rf->offset));
734 reg_rw->value = cpu_to_le32((u32) r.rf->value);
735 break;
736 case HostCmd_CMD_802_11_EEPROM_ACCESS:
737 r.eeprom = &resp->params.eeprom;
738 pr_debug("info: EEPROM read len=%x\n", r.eeprom->byte_count);
739 if (le16_to_cpu(eeprom->byte_count) <
740 le16_to_cpu(r.eeprom->byte_count)) {
741 eeprom->byte_count = cpu_to_le16(0);
742 pr_debug("info: EEPROM read length is too big\n");
743 return -1;
744 }
745 eeprom->offset = r.eeprom->offset;
746 eeprom->byte_count = r.eeprom->byte_count;
747 if (le16_to_cpu(eeprom->byte_count) > 0)
748 memcpy(&eeprom->value, &r.eeprom->value,
749 le16_to_cpu(r.eeprom->byte_count));
750
751 break;
752 default:
753 return -1;
754 }
755 return 0;
756 }
757
758 /*
759 * This function handles the command response of get IBSS coalescing status.
760 *
761 * If the received BSSID is different than the current one, the current BSSID,
762 * beacon interval, ATIM window and ERP information are updated, along with
763 * changing the ad-hoc state accordingly.
764 */
mwifiex_ret_ibss_coalescing_status(struct mwifiex_private * priv,struct host_cmd_ds_command * resp)765 static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv,
766 struct host_cmd_ds_command *resp)
767 {
768 struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp =
769 &(resp->params.ibss_coalescing);
770
771 if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET)
772 return 0;
773
774 dev_dbg(priv->adapter->dev,
775 "info: new BSSID %pM\n", ibss_coal_resp->bssid);
776
777 /* If rsp has NULL BSSID, Just return..... No Action */
778 if (is_zero_ether_addr(ibss_coal_resp->bssid)) {
779 dev_warn(priv->adapter->dev, "new BSSID is NULL\n");
780 return 0;
781 }
782
783 /* If BSSID is diff, modify current BSS parameters */
784 if (memcmp(priv->curr_bss_params.bss_descriptor.mac_address,
785 ibss_coal_resp->bssid, ETH_ALEN)) {
786 /* BSSID */
787 memcpy(priv->curr_bss_params.bss_descriptor.mac_address,
788 ibss_coal_resp->bssid, ETH_ALEN);
789
790 /* Beacon Interval */
791 priv->curr_bss_params.bss_descriptor.beacon_period
792 = le16_to_cpu(ibss_coal_resp->beacon_interval);
793
794 /* ERP Information */
795 priv->curr_bss_params.bss_descriptor.erp_flags =
796 (u8) le16_to_cpu(ibss_coal_resp->use_g_rate_protect);
797
798 priv->adhoc_state = ADHOC_COALESCED;
799 }
800
801 return 0;
802 }
803
804 /*
805 * This function handles the command response for subscribe event command.
806 */
mwifiex_ret_subsc_evt(struct mwifiex_private * priv,struct host_cmd_ds_command * resp)807 static int mwifiex_ret_subsc_evt(struct mwifiex_private *priv,
808 struct host_cmd_ds_command *resp)
809 {
810 struct host_cmd_ds_802_11_subsc_evt *cmd_sub_event =
811 &resp->params.subsc_evt;
812
813 /* For every subscribe event command (Get/Set/Clear), FW reports the
814 * current set of subscribed events*/
815 dev_dbg(priv->adapter->dev, "Bitmap of currently subscribed events: %16x\n",
816 le16_to_cpu(cmd_sub_event->events));
817
818 return 0;
819 }
820
821 /*
822 * This function handles the command responses.
823 *
824 * This is a generic function, which calls command specific
825 * response handlers based on the command ID.
826 */
mwifiex_process_sta_cmdresp(struct mwifiex_private * priv,u16 cmdresp_no,struct host_cmd_ds_command * resp)827 int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
828 struct host_cmd_ds_command *resp)
829 {
830 int ret = 0;
831 struct mwifiex_adapter *adapter = priv->adapter;
832 void *data_buf = adapter->curr_cmd->data_buf;
833
834 /* If the command is not successful, cleanup and return failure */
835 if (resp->result != HostCmd_RESULT_OK) {
836 mwifiex_process_cmdresp_error(priv, resp);
837 return -1;
838 }
839 /* Command successful, handle response */
840 switch (cmdresp_no) {
841 case HostCmd_CMD_GET_HW_SPEC:
842 ret = mwifiex_ret_get_hw_spec(priv, resp);
843 break;
844 case HostCmd_CMD_MAC_CONTROL:
845 break;
846 case HostCmd_CMD_802_11_MAC_ADDRESS:
847 ret = mwifiex_ret_802_11_mac_address(priv, resp);
848 break;
849 case HostCmd_CMD_MAC_MULTICAST_ADR:
850 ret = mwifiex_ret_mac_multicast_adr(priv, resp);
851 break;
852 case HostCmd_CMD_TX_RATE_CFG:
853 ret = mwifiex_ret_tx_rate_cfg(priv, resp);
854 break;
855 case HostCmd_CMD_802_11_SCAN:
856 ret = mwifiex_ret_802_11_scan(priv, resp);
857 adapter->curr_cmd->wait_q_enabled = false;
858 break;
859 case HostCmd_CMD_802_11_BG_SCAN_QUERY:
860 ret = mwifiex_ret_802_11_scan(priv, resp);
861 dev_dbg(adapter->dev,
862 "info: CMD_RESP: BG_SCAN result is ready!\n");
863 break;
864 case HostCmd_CMD_TXPWR_CFG:
865 ret = mwifiex_ret_tx_power_cfg(priv, resp);
866 break;
867 case HostCmd_CMD_RF_TX_PWR:
868 ret = mwifiex_ret_rf_tx_power(priv, resp);
869 break;
870 case HostCmd_CMD_RF_ANTENNA:
871 ret = mwifiex_ret_rf_antenna(priv, resp);
872 break;
873 case HostCmd_CMD_802_11_PS_MODE_ENH:
874 ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf);
875 break;
876 case HostCmd_CMD_802_11_HS_CFG_ENH:
877 ret = mwifiex_ret_802_11_hs_cfg(priv, resp);
878 break;
879 case HostCmd_CMD_802_11_ASSOCIATE:
880 ret = mwifiex_ret_802_11_associate(priv, resp);
881 break;
882 case HostCmd_CMD_802_11_DEAUTHENTICATE:
883 ret = mwifiex_ret_802_11_deauthenticate(priv, resp);
884 break;
885 case HostCmd_CMD_802_11_AD_HOC_START:
886 case HostCmd_CMD_802_11_AD_HOC_JOIN:
887 ret = mwifiex_ret_802_11_ad_hoc(priv, resp);
888 break;
889 case HostCmd_CMD_802_11_AD_HOC_STOP:
890 ret = mwifiex_ret_802_11_ad_hoc_stop(priv, resp);
891 break;
892 case HostCmd_CMD_802_11_GET_LOG:
893 ret = mwifiex_ret_get_log(priv, resp, data_buf);
894 break;
895 case HostCmd_CMD_RSSI_INFO:
896 ret = mwifiex_ret_802_11_rssi_info(priv, resp);
897 break;
898 case HostCmd_CMD_802_11_SNMP_MIB:
899 ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf);
900 break;
901 case HostCmd_CMD_802_11_TX_RATE_QUERY:
902 ret = mwifiex_ret_802_11_tx_rate_query(priv, resp);
903 break;
904 case HostCmd_CMD_VERSION_EXT:
905 ret = mwifiex_ret_ver_ext(priv, resp, data_buf);
906 break;
907 case HostCmd_CMD_REMAIN_ON_CHAN:
908 ret = mwifiex_ret_remain_on_chan(priv, resp, data_buf);
909 break;
910 case HostCmd_CMD_11AC_CFG:
911 break;
912 case HostCmd_CMD_P2P_MODE_CFG:
913 ret = mwifiex_ret_p2p_mode_cfg(priv, resp, data_buf);
914 break;
915 case HostCmd_CMD_MGMT_FRAME_REG:
916 case HostCmd_CMD_FUNC_INIT:
917 case HostCmd_CMD_FUNC_SHUTDOWN:
918 break;
919 case HostCmd_CMD_802_11_KEY_MATERIAL:
920 ret = mwifiex_ret_802_11_key_material(priv, resp);
921 break;
922 case HostCmd_CMD_802_11D_DOMAIN_INFO:
923 ret = mwifiex_ret_802_11d_domain_info(priv, resp);
924 break;
925 case HostCmd_CMD_11N_ADDBA_REQ:
926 ret = mwifiex_ret_11n_addba_req(priv, resp);
927 break;
928 case HostCmd_CMD_11N_DELBA:
929 ret = mwifiex_ret_11n_delba(priv, resp);
930 break;
931 case HostCmd_CMD_11N_ADDBA_RSP:
932 ret = mwifiex_ret_11n_addba_resp(priv, resp);
933 break;
934 case HostCmd_CMD_RECONFIGURE_TX_BUFF:
935 adapter->tx_buf_size = (u16) le16_to_cpu(resp->params.
936 tx_buf.buff_size);
937 adapter->tx_buf_size = (adapter->tx_buf_size
938 / MWIFIEX_SDIO_BLOCK_SIZE)
939 * MWIFIEX_SDIO_BLOCK_SIZE;
940 adapter->curr_tx_buf_size = adapter->tx_buf_size;
941 dev_dbg(adapter->dev, "cmd: curr_tx_buf_size=%d\n",
942 adapter->curr_tx_buf_size);
943
944 if (adapter->if_ops.update_mp_end_port)
945 adapter->if_ops.update_mp_end_port(adapter,
946 le16_to_cpu(resp->params.tx_buf.mp_end_port));
947 break;
948 case HostCmd_CMD_AMSDU_AGGR_CTRL:
949 break;
950 case HostCmd_CMD_WMM_GET_STATUS:
951 ret = mwifiex_ret_wmm_get_status(priv, resp);
952 break;
953 case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
954 ret = mwifiex_ret_ibss_coalescing_status(priv, resp);
955 break;
956 case HostCmd_CMD_MAC_REG_ACCESS:
957 case HostCmd_CMD_BBP_REG_ACCESS:
958 case HostCmd_CMD_RF_REG_ACCESS:
959 case HostCmd_CMD_PMIC_REG_ACCESS:
960 case HostCmd_CMD_CAU_REG_ACCESS:
961 case HostCmd_CMD_802_11_EEPROM_ACCESS:
962 ret = mwifiex_ret_reg_access(cmdresp_no, resp, data_buf);
963 break;
964 case HostCmd_CMD_SET_BSS_MODE:
965 break;
966 case HostCmd_CMD_11N_CFG:
967 break;
968 case HostCmd_CMD_PCIE_DESC_DETAILS:
969 break;
970 case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
971 ret = mwifiex_ret_subsc_evt(priv, resp);
972 break;
973 case HostCmd_CMD_UAP_SYS_CONFIG:
974 break;
975 case HostCmd_CMD_UAP_BSS_START:
976 priv->bss_started = 1;
977 break;
978 case HostCmd_CMD_UAP_BSS_STOP:
979 priv->bss_started = 0;
980 break;
981 case HostCmd_CMD_MEF_CFG:
982 break;
983 default:
984 dev_err(adapter->dev, "CMD_RESP: unknown cmd response %#x\n",
985 resp->command);
986 break;
987 }
988
989 return ret;
990 }
991