1 /*
2  * Marvell Wireless LAN device driver: station command response handling
3  *
4  * Copyright (C) 2011-2014, 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
44 mwifiex_process_cmdresp_error(struct mwifiex_private *priv,
45 			      struct host_cmd_ds_command *resp)
46 {
47 	struct mwifiex_adapter *adapter = priv->adapter;
48 	struct host_cmd_ds_802_11_ps_mode_enh *pm;
49 	unsigned long flags;
50 
51 	mwifiex_dbg(adapter, ERROR,
52 		    "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 		mwifiex_dbg(adapter, ERROR,
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 	case HostCmd_CMD_802_11_SCAN_EXT:
73 		mwifiex_cancel_pending_scan_cmd(adapter);
74 
75 		spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
76 		adapter->scan_processing = false;
77 		spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
78 		break;
79 
80 	case HostCmd_CMD_MAC_CONTROL:
81 		break;
82 
83 	case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG:
84 		mwifiex_dbg(adapter, MSG,
85 			    "SDIO RX single-port aggregation Not support\n");
86 		break;
87 
88 	default:
89 		break;
90 	}
91 	/* Handling errors here */
92 	mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd);
93 
94 	spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
95 	adapter->curr_cmd = NULL;
96 	spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
97 }
98 
99 /*
100  * This function handles the command response of get RSSI info.
101  *
102  * Handling includes changing the header fields into CPU format
103  * and saving the following parameters in driver -
104  *      - Last data and beacon RSSI value
105  *      - Average data and beacon RSSI value
106  *      - Last data and beacon NF value
107  *      - Average data and beacon NF value
108  *
109  * The parameters are send to the application as well, along with
110  * calculated SNR values.
111  */
112 static int mwifiex_ret_802_11_rssi_info(struct mwifiex_private *priv,
113 					struct host_cmd_ds_command *resp)
114 {
115 	struct host_cmd_ds_802_11_rssi_info_rsp *rssi_info_rsp =
116 						&resp->params.rssi_info_rsp;
117 	struct mwifiex_ds_misc_subsc_evt *subsc_evt =
118 						&priv->async_subsc_evt_storage;
119 
120 	priv->data_rssi_last = le16_to_cpu(rssi_info_rsp->data_rssi_last);
121 	priv->data_nf_last = le16_to_cpu(rssi_info_rsp->data_nf_last);
122 
123 	priv->data_rssi_avg = le16_to_cpu(rssi_info_rsp->data_rssi_avg);
124 	priv->data_nf_avg = le16_to_cpu(rssi_info_rsp->data_nf_avg);
125 
126 	priv->bcn_rssi_last = le16_to_cpu(rssi_info_rsp->bcn_rssi_last);
127 	priv->bcn_nf_last = le16_to_cpu(rssi_info_rsp->bcn_nf_last);
128 
129 	priv->bcn_rssi_avg = le16_to_cpu(rssi_info_rsp->bcn_rssi_avg);
130 	priv->bcn_nf_avg = le16_to_cpu(rssi_info_rsp->bcn_nf_avg);
131 
132 	if (priv->subsc_evt_rssi_state == EVENT_HANDLED)
133 		return 0;
134 
135 	memset(subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
136 
137 	/* Resubscribe low and high rssi events with new thresholds */
138 	subsc_evt->events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
139 	subsc_evt->action = HostCmd_ACT_BITWISE_SET;
140 	if (priv->subsc_evt_rssi_state == RSSI_LOW_RECVD) {
141 		subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg -
142 				priv->cqm_rssi_hyst);
143 		subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
144 	} else if (priv->subsc_evt_rssi_state == RSSI_HIGH_RECVD) {
145 		subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
146 		subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg +
147 				priv->cqm_rssi_hyst);
148 	}
149 	subsc_evt->bcn_l_rssi_cfg.evt_freq = 1;
150 	subsc_evt->bcn_h_rssi_cfg.evt_freq = 1;
151 
152 	priv->subsc_evt_rssi_state = EVENT_HANDLED;
153 
154 	mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
155 			 0, 0, subsc_evt, false);
156 
157 	return 0;
158 }
159 
160 /*
161  * This function handles the command response of set/get SNMP
162  * MIB parameters.
163  *
164  * Handling includes changing the header fields into CPU format
165  * and saving the parameter in driver.
166  *
167  * The following parameters are supported -
168  *      - Fragmentation threshold
169  *      - RTS threshold
170  *      - Short retry limit
171  */
172 static int mwifiex_ret_802_11_snmp_mib(struct mwifiex_private *priv,
173 				       struct host_cmd_ds_command *resp,
174 				       u32 *data_buf)
175 {
176 	struct host_cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
177 	u16 oid = le16_to_cpu(smib->oid);
178 	u16 query_type = le16_to_cpu(smib->query_type);
179 	u32 ul_temp;
180 
181 	mwifiex_dbg(priv->adapter, INFO,
182 		    "info: SNMP_RESP: oid value = %#x,\t"
183 		    "query_type = %#x, buf size = %#x\n",
184 		    oid, query_type, le16_to_cpu(smib->buf_size));
185 	if (query_type == HostCmd_ACT_GEN_GET) {
186 		ul_temp = get_unaligned_le16(smib->value);
187 		if (data_buf)
188 			*data_buf = ul_temp;
189 		switch (oid) {
190 		case FRAG_THRESH_I:
191 			mwifiex_dbg(priv->adapter, INFO,
192 				    "info: SNMP_RESP: FragThsd =%u\n",
193 				    ul_temp);
194 			break;
195 		case RTS_THRESH_I:
196 			mwifiex_dbg(priv->adapter, INFO,
197 				    "info: SNMP_RESP: RTSThsd =%u\n",
198 				    ul_temp);
199 			break;
200 		case SHORT_RETRY_LIM_I:
201 			mwifiex_dbg(priv->adapter, INFO,
202 				    "info: SNMP_RESP: TxRetryCount=%u\n",
203 				    ul_temp);
204 			break;
205 		case DTIM_PERIOD_I:
206 			mwifiex_dbg(priv->adapter, INFO,
207 				    "info: SNMP_RESP: DTIM period=%u\n",
208 				    ul_temp);
209 		default:
210 			break;
211 		}
212 	}
213 
214 	return 0;
215 }
216 
217 /*
218  * This function handles the command response of get log request
219  *
220  * Handling includes changing the header fields into CPU format
221  * and sending the received parameters to application.
222  */
223 static int mwifiex_ret_get_log(struct mwifiex_private *priv,
224 			       struct host_cmd_ds_command *resp,
225 			       struct mwifiex_ds_get_stats *stats)
226 {
227 	struct host_cmd_ds_802_11_get_log *get_log =
228 		&resp->params.get_log;
229 
230 	if (stats) {
231 		stats->mcast_tx_frame = le32_to_cpu(get_log->mcast_tx_frame);
232 		stats->failed = le32_to_cpu(get_log->failed);
233 		stats->retry = le32_to_cpu(get_log->retry);
234 		stats->multi_retry = le32_to_cpu(get_log->multi_retry);
235 		stats->frame_dup = le32_to_cpu(get_log->frame_dup);
236 		stats->rts_success = le32_to_cpu(get_log->rts_success);
237 		stats->rts_failure = le32_to_cpu(get_log->rts_failure);
238 		stats->ack_failure = le32_to_cpu(get_log->ack_failure);
239 		stats->rx_frag = le32_to_cpu(get_log->rx_frag);
240 		stats->mcast_rx_frame = le32_to_cpu(get_log->mcast_rx_frame);
241 		stats->fcs_error = le32_to_cpu(get_log->fcs_error);
242 		stats->tx_frame = le32_to_cpu(get_log->tx_frame);
243 		stats->wep_icv_error[0] =
244 			le32_to_cpu(get_log->wep_icv_err_cnt[0]);
245 		stats->wep_icv_error[1] =
246 			le32_to_cpu(get_log->wep_icv_err_cnt[1]);
247 		stats->wep_icv_error[2] =
248 			le32_to_cpu(get_log->wep_icv_err_cnt[2]);
249 		stats->wep_icv_error[3] =
250 			le32_to_cpu(get_log->wep_icv_err_cnt[3]);
251 		stats->bcn_rcv_cnt = le32_to_cpu(get_log->bcn_rcv_cnt);
252 		stats->bcn_miss_cnt = le32_to_cpu(get_log->bcn_miss_cnt);
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.
271  */
272 static int mwifiex_ret_tx_rate_cfg(struct mwifiex_private *priv,
273 				   struct host_cmd_ds_command *resp)
274 {
275 	struct host_cmd_ds_tx_rate_cfg *rate_cfg = &resp->params.tx_rate_cfg;
276 	struct mwifiex_rate_scope *rate_scope;
277 	struct mwifiex_ie_types_header *head;
278 	u16 tlv, tlv_buf_len, tlv_buf_left;
279 	u8 *tlv_buf;
280 	u32 i;
281 
282 	tlv_buf = ((u8 *)rate_cfg) + sizeof(struct host_cmd_ds_tx_rate_cfg);
283 	tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*rate_cfg);
284 
285 	while (tlv_buf_left >= sizeof(*head)) {
286 		head = (struct mwifiex_ie_types_header *)tlv_buf;
287 		tlv = le16_to_cpu(head->type);
288 		tlv_buf_len = le16_to_cpu(head->len);
289 
290 		if (tlv_buf_left < (sizeof(*head) + tlv_buf_len))
291 			break;
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 < ARRAY_SIZE(rate_scope->ht_mcs_rate_bitmap);
302 			     i++)
303 				priv->bitmap_rates[2 + i] =
304 					le16_to_cpu(rate_scope->
305 						    ht_mcs_rate_bitmap[i]);
306 
307 			if (priv->adapter->fw_api_ver == MWIFIEX_FW_V15) {
308 				for (i = 0; i < ARRAY_SIZE(rate_scope->
309 							   vht_mcs_rate_bitmap);
310 				     i++)
311 					priv->bitmap_rates[10 + i] =
312 					    le16_to_cpu(rate_scope->
313 							vht_mcs_rate_bitmap[i]);
314 			}
315 			break;
316 			/* Add RATE_DROP tlv here */
317 		}
318 
319 		tlv_buf += (sizeof(*head) + tlv_buf_len);
320 		tlv_buf_left -= (sizeof(*head) + tlv_buf_len);
321 	}
322 
323 	priv->is_data_rate_auto = mwifiex_is_rate_auto(priv);
324 
325 	if (priv->is_data_rate_auto)
326 		priv->data_rate = 0;
327 	else
328 		return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
329 					HostCmd_ACT_GEN_GET, 0, NULL, false);
330 
331 	return 0;
332 }
333 
334 /*
335  * This function handles the command response of get Tx power level.
336  *
337  * Handling includes saving the maximum and minimum Tx power levels
338  * in driver, as well as sending the values to user.
339  */
340 static int mwifiex_get_power_level(struct mwifiex_private *priv, void *data_buf)
341 {
342 	int length, max_power = -1, min_power = -1;
343 	struct mwifiex_types_power_group *pg_tlv_hdr;
344 	struct mwifiex_power_group *pg;
345 
346 	if (!data_buf)
347 		return -1;
348 
349 	pg_tlv_hdr = (struct mwifiex_types_power_group *)((u8 *)data_buf);
350 	pg = (struct mwifiex_power_group *)
351 		((u8 *) pg_tlv_hdr + sizeof(struct mwifiex_types_power_group));
352 	length = le16_to_cpu(pg_tlv_hdr->length);
353 
354 	/* At least one structure required to update power */
355 	if (length < sizeof(struct mwifiex_power_group))
356 		return 0;
357 
358 	max_power = pg->power_max;
359 	min_power = pg->power_min;
360 	length -= sizeof(struct mwifiex_power_group);
361 
362 	while (length >= sizeof(struct mwifiex_power_group)) {
363 		pg++;
364 		if (max_power < pg->power_max)
365 			max_power = pg->power_max;
366 
367 		if (min_power > pg->power_min)
368 			min_power = pg->power_min;
369 
370 		length -= sizeof(struct mwifiex_power_group);
371 	}
372 	priv->min_tx_power_level = (u8) min_power;
373 	priv->max_tx_power_level = (u8) max_power;
374 
375 	return 0;
376 }
377 
378 /*
379  * This function handles the command response of set/get Tx power
380  * configurations.
381  *
382  * Handling includes changing the header fields into CPU format
383  * and saving the current Tx power level in driver.
384  */
385 static int mwifiex_ret_tx_power_cfg(struct mwifiex_private *priv,
386 				    struct host_cmd_ds_command *resp)
387 {
388 	struct mwifiex_adapter *adapter = priv->adapter;
389 	struct host_cmd_ds_txpwr_cfg *txp_cfg = &resp->params.txp_cfg;
390 	struct mwifiex_types_power_group *pg_tlv_hdr;
391 	struct mwifiex_power_group *pg;
392 	u16 action = le16_to_cpu(txp_cfg->action);
393 	u16 tlv_buf_left;
394 
395 	pg_tlv_hdr = (struct mwifiex_types_power_group *)
396 		((u8 *)txp_cfg +
397 		 sizeof(struct host_cmd_ds_txpwr_cfg));
398 
399 	pg = (struct mwifiex_power_group *)
400 		((u8 *)pg_tlv_hdr +
401 		 sizeof(struct mwifiex_types_power_group));
402 
403 	tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*txp_cfg);
404 	if (tlv_buf_left <
405 			le16_to_cpu(pg_tlv_hdr->length) + sizeof(*pg_tlv_hdr))
406 		return 0;
407 
408 	switch (action) {
409 	case HostCmd_ACT_GEN_GET:
410 		if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING)
411 			mwifiex_get_power_level(priv, pg_tlv_hdr);
412 
413 		priv->tx_power_level = (u16) pg->power_min;
414 		break;
415 
416 	case HostCmd_ACT_GEN_SET:
417 		if (!le32_to_cpu(txp_cfg->mode))
418 			break;
419 
420 		if (pg->power_max == pg->power_min)
421 			priv->tx_power_level = (u16) pg->power_min;
422 		break;
423 	default:
424 		mwifiex_dbg(adapter, ERROR,
425 			    "CMD_RESP: unknown cmd action %d\n",
426 			    action);
427 		return 0;
428 	}
429 	mwifiex_dbg(adapter, INFO,
430 		    "info: Current TxPower Level = %d, Max Power=%d, Min Power=%d\n",
431 		    priv->tx_power_level, priv->max_tx_power_level,
432 		    priv->min_tx_power_level);
433 
434 	return 0;
435 }
436 
437 /*
438  * This function handles the command response of get RF Tx power.
439  */
440 static int mwifiex_ret_rf_tx_power(struct mwifiex_private *priv,
441 				   struct host_cmd_ds_command *resp)
442 {
443 	struct host_cmd_ds_rf_tx_pwr *txp = &resp->params.txp;
444 	u16 action = le16_to_cpu(txp->action);
445 
446 	priv->tx_power_level = le16_to_cpu(txp->cur_level);
447 
448 	if (action == HostCmd_ACT_GEN_GET) {
449 		priv->max_tx_power_level = txp->max_power;
450 		priv->min_tx_power_level = txp->min_power;
451 	}
452 
453 	mwifiex_dbg(priv->adapter, INFO,
454 		    "Current TxPower Level=%d, Max Power=%d, Min Power=%d\n",
455 		    priv->tx_power_level, priv->max_tx_power_level,
456 		    priv->min_tx_power_level);
457 
458 	return 0;
459 }
460 
461 /*
462  * This function handles the command response of set rf antenna
463  */
464 static int mwifiex_ret_rf_antenna(struct mwifiex_private *priv,
465 				  struct host_cmd_ds_command *resp)
466 {
467 	struct host_cmd_ds_rf_ant_mimo *ant_mimo = &resp->params.ant_mimo;
468 	struct host_cmd_ds_rf_ant_siso *ant_siso = &resp->params.ant_siso;
469 	struct mwifiex_adapter *adapter = priv->adapter;
470 
471 	if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) {
472 		priv->tx_ant = le16_to_cpu(ant_mimo->tx_ant_mode);
473 		priv->rx_ant = le16_to_cpu(ant_mimo->rx_ant_mode);
474 		mwifiex_dbg(adapter, INFO,
475 			    "RF_ANT_RESP: Tx action = 0x%x, Tx Mode = 0x%04x\t"
476 			    "Rx action = 0x%x, Rx Mode = 0x%04x\n",
477 			    le16_to_cpu(ant_mimo->action_tx),
478 			    le16_to_cpu(ant_mimo->tx_ant_mode),
479 			    le16_to_cpu(ant_mimo->action_rx),
480 			    le16_to_cpu(ant_mimo->rx_ant_mode));
481 	} else {
482 		priv->tx_ant = le16_to_cpu(ant_siso->ant_mode);
483 		priv->rx_ant = le16_to_cpu(ant_siso->ant_mode);
484 		mwifiex_dbg(adapter, INFO,
485 			    "RF_ANT_RESP: action = 0x%x, Mode = 0x%04x\n",
486 			    le16_to_cpu(ant_siso->action),
487 			    le16_to_cpu(ant_siso->ant_mode));
488 	}
489 	return 0;
490 }
491 
492 /*
493  * This function handles the command response of set/get MAC address.
494  *
495  * Handling includes saving the MAC address in driver.
496  */
497 static int mwifiex_ret_802_11_mac_address(struct mwifiex_private *priv,
498 					  struct host_cmd_ds_command *resp)
499 {
500 	struct host_cmd_ds_802_11_mac_address *cmd_mac_addr =
501 							&resp->params.mac_addr;
502 
503 	memcpy(priv->curr_addr, cmd_mac_addr->mac_addr, ETH_ALEN);
504 
505 	mwifiex_dbg(priv->adapter, INFO,
506 		    "info: set mac address: %pM\n", priv->curr_addr);
507 
508 	return 0;
509 }
510 
511 /*
512  * This function handles the command response of set/get MAC multicast
513  * address.
514  */
515 static int mwifiex_ret_mac_multicast_adr(struct mwifiex_private *priv,
516 					 struct host_cmd_ds_command *resp)
517 {
518 	return 0;
519 }
520 
521 /*
522  * This function handles the command response of get Tx rate query.
523  *
524  * Handling includes changing the header fields into CPU format
525  * and saving the Tx rate and HT information parameters in driver.
526  *
527  * Both rate configuration and current data rate can be retrieved
528  * with this request.
529  */
530 static int mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private *priv,
531 					    struct host_cmd_ds_command *resp)
532 {
533 	priv->tx_rate = resp->params.tx_rate.tx_rate;
534 	priv->tx_htinfo = resp->params.tx_rate.ht_info;
535 	if (!priv->is_data_rate_auto)
536 		priv->data_rate =
537 			mwifiex_index_to_data_rate(priv, priv->tx_rate,
538 						   priv->tx_htinfo);
539 
540 	return 0;
541 }
542 
543 /*
544  * This function handles the command response of a deauthenticate
545  * command.
546  *
547  * If the deauthenticated MAC matches the current BSS MAC, the connection
548  * state is reset.
549  */
550 static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv,
551 					     struct host_cmd_ds_command *resp)
552 {
553 	struct mwifiex_adapter *adapter = priv->adapter;
554 
555 	adapter->dbg.num_cmd_deauth++;
556 	if (!memcmp(resp->params.deauth.mac_addr,
557 		    &priv->curr_bss_params.bss_descriptor.mac_address,
558 		    sizeof(resp->params.deauth.mac_addr)))
559 		mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING,
560 					    false);
561 
562 	return 0;
563 }
564 
565 /*
566  * This function handles the command response of ad-hoc stop.
567  *
568  * The function resets the connection state in driver.
569  */
570 static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv,
571 					  struct host_cmd_ds_command *resp)
572 {
573 	mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING, false);
574 	return 0;
575 }
576 
577 /*
578  * This function handles the command response of set/get v1 key material.
579  *
580  * Handling includes updating the driver parameters to reflect the
581  * changes.
582  */
583 static int mwifiex_ret_802_11_key_material_v1(struct mwifiex_private *priv,
584 					      struct host_cmd_ds_command *resp)
585 {
586 	struct host_cmd_ds_802_11_key_material *key =
587 						&resp->params.key_material;
588 
589 	if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) {
590 		if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) {
591 			mwifiex_dbg(priv->adapter, INFO,
592 				    "info: key: GTK is set\n");
593 			priv->wpa_is_gtk_set = true;
594 			priv->scan_block = false;
595 			priv->port_open = true;
596 		}
597 	}
598 
599 	memset(priv->aes_key.key_param_set.key, 0,
600 	       sizeof(key->key_param_set.key));
601 	priv->aes_key.key_param_set.key_len = key->key_param_set.key_len;
602 	memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key,
603 	       le16_to_cpu(priv->aes_key.key_param_set.key_len));
604 
605 	return 0;
606 }
607 
608 /*
609  * This function handles the command response of set/get v2 key material.
610  *
611  * Handling includes updating the driver parameters to reflect the
612  * changes.
613  */
614 static int mwifiex_ret_802_11_key_material_v2(struct mwifiex_private *priv,
615 					      struct host_cmd_ds_command *resp)
616 {
617 	struct host_cmd_ds_802_11_key_material_v2 *key_v2;
618 	__le16 len;
619 
620 	key_v2 = &resp->params.key_material_v2;
621 	if (le16_to_cpu(key_v2->action) == HostCmd_ACT_GEN_SET) {
622 		if ((le16_to_cpu(key_v2->key_param_set.key_info) & KEY_MCAST)) {
623 			mwifiex_dbg(priv->adapter, INFO, "info: key: GTK is set\n");
624 			priv->wpa_is_gtk_set = true;
625 			priv->scan_block = false;
626 			priv->port_open = true;
627 		}
628 	}
629 
630 	if (key_v2->key_param_set.key_type != KEY_TYPE_ID_AES)
631 		return 0;
632 
633 	memset(priv->aes_key_v2.key_param_set.key_params.aes.key, 0,
634 	       WLAN_KEY_LEN_CCMP);
635 	priv->aes_key_v2.key_param_set.key_params.aes.key_len =
636 				key_v2->key_param_set.key_params.aes.key_len;
637 	len = priv->aes_key_v2.key_param_set.key_params.aes.key_len;
638 	memcpy(priv->aes_key_v2.key_param_set.key_params.aes.key,
639 	       key_v2->key_param_set.key_params.aes.key, le16_to_cpu(len));
640 
641 	return 0;
642 }
643 
644 /* Wrapper function for processing response of key material command */
645 static int mwifiex_ret_802_11_key_material(struct mwifiex_private *priv,
646 					   struct host_cmd_ds_command *resp)
647 {
648 	if (priv->adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2)
649 		return mwifiex_ret_802_11_key_material_v2(priv, resp);
650 	else
651 		return mwifiex_ret_802_11_key_material_v1(priv, resp);
652 }
653 
654 /*
655  * This function handles the command response of get 11d domain information.
656  */
657 static int mwifiex_ret_802_11d_domain_info(struct mwifiex_private *priv,
658 					   struct host_cmd_ds_command *resp)
659 {
660 	struct host_cmd_ds_802_11d_domain_info_rsp *domain_info =
661 		&resp->params.domain_info_resp;
662 	struct mwifiex_ietypes_domain_param_set *domain = &domain_info->domain;
663 	u16 action = le16_to_cpu(domain_info->action);
664 	u8 no_of_triplet;
665 
666 	no_of_triplet = (u8) ((le16_to_cpu(domain->header.len)
667 				- IEEE80211_COUNTRY_STRING_LEN)
668 			      / sizeof(struct ieee80211_country_ie_triplet));
669 
670 	mwifiex_dbg(priv->adapter, INFO,
671 		    "info: 11D Domain Info Resp: no_of_triplet=%d\n",
672 		    no_of_triplet);
673 
674 	if (no_of_triplet > MWIFIEX_MAX_TRIPLET_802_11D) {
675 		mwifiex_dbg(priv->adapter, FATAL,
676 			    "11D: invalid number of triplets %d returned\n",
677 			    no_of_triplet);
678 		return -1;
679 	}
680 
681 	switch (action) {
682 	case HostCmd_ACT_GEN_SET:  /* Proc Set Action */
683 		break;
684 	case HostCmd_ACT_GEN_GET:
685 		break;
686 	default:
687 		mwifiex_dbg(priv->adapter, ERROR,
688 			    "11D: invalid action:%d\n", domain_info->action);
689 		return -1;
690 	}
691 
692 	return 0;
693 }
694 
695 /*
696  * This function handles the command response of get extended version.
697  *
698  * Handling includes forming the extended version string and sending it
699  * to application.
700  */
701 static int mwifiex_ret_ver_ext(struct mwifiex_private *priv,
702 			       struct host_cmd_ds_command *resp,
703 			       struct host_cmd_ds_version_ext *version_ext)
704 {
705 	struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext;
706 
707 	if (version_ext) {
708 		version_ext->version_str_sel = ver_ext->version_str_sel;
709 		memcpy(version_ext->version_str, ver_ext->version_str,
710 		       sizeof(char) * 128);
711 		memcpy(priv->version_str, ver_ext->version_str, 128);
712 	}
713 	return 0;
714 }
715 
716 /*
717  * This function handles the command response of remain on channel.
718  */
719 static int
720 mwifiex_ret_remain_on_chan(struct mwifiex_private *priv,
721 			   struct host_cmd_ds_command *resp,
722 			   struct host_cmd_ds_remain_on_chan *roc_cfg)
723 {
724 	struct host_cmd_ds_remain_on_chan *resp_cfg = &resp->params.roc_cfg;
725 
726 	if (roc_cfg)
727 		memcpy(roc_cfg, resp_cfg, sizeof(*roc_cfg));
728 
729 	return 0;
730 }
731 
732 /*
733  * This function handles the command response of P2P mode cfg.
734  */
735 static int
736 mwifiex_ret_p2p_mode_cfg(struct mwifiex_private *priv,
737 			 struct host_cmd_ds_command *resp,
738 			 void *data_buf)
739 {
740 	struct host_cmd_ds_p2p_mode_cfg *mode_cfg = &resp->params.mode_cfg;
741 
742 	if (data_buf)
743 		put_unaligned_le16(le16_to_cpu(mode_cfg->mode), data_buf);
744 
745 	return 0;
746 }
747 
748 /* This function handles the command response of mem_access command
749  */
750 static int
751 mwifiex_ret_mem_access(struct mwifiex_private *priv,
752 		       struct host_cmd_ds_command *resp, void *pioctl_buf)
753 {
754 	struct host_cmd_ds_mem_access *mem = (void *)&resp->params.mem;
755 
756 	priv->mem_rw.addr = le32_to_cpu(mem->addr);
757 	priv->mem_rw.value = le32_to_cpu(mem->value);
758 
759 	return 0;
760 }
761 /*
762  * This function handles the command response of register access.
763  *
764  * The register value and offset are returned to the user. For EEPROM
765  * access, the byte count is also returned.
766  */
767 static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp,
768 				  void *data_buf)
769 {
770 	struct mwifiex_ds_reg_rw *reg_rw;
771 	struct mwifiex_ds_read_eeprom *eeprom;
772 	union reg {
773 		struct host_cmd_ds_mac_reg_access *mac;
774 		struct host_cmd_ds_bbp_reg_access *bbp;
775 		struct host_cmd_ds_rf_reg_access *rf;
776 		struct host_cmd_ds_pmic_reg_access *pmic;
777 		struct host_cmd_ds_802_11_eeprom_access *eeprom;
778 	} r;
779 
780 	if (!data_buf)
781 		return 0;
782 
783 	reg_rw = data_buf;
784 	eeprom = data_buf;
785 	switch (type) {
786 	case HostCmd_CMD_MAC_REG_ACCESS:
787 		r.mac = &resp->params.mac_reg;
788 		reg_rw->offset = (u32) le16_to_cpu(r.mac->offset);
789 		reg_rw->value = le32_to_cpu(r.mac->value);
790 		break;
791 	case HostCmd_CMD_BBP_REG_ACCESS:
792 		r.bbp = &resp->params.bbp_reg;
793 		reg_rw->offset = (u32) le16_to_cpu(r.bbp->offset);
794 		reg_rw->value = (u32) r.bbp->value;
795 		break;
796 
797 	case HostCmd_CMD_RF_REG_ACCESS:
798 		r.rf = &resp->params.rf_reg;
799 		reg_rw->offset = (u32) le16_to_cpu(r.rf->offset);
800 		reg_rw->value = (u32) r.bbp->value;
801 		break;
802 	case HostCmd_CMD_PMIC_REG_ACCESS:
803 		r.pmic = &resp->params.pmic_reg;
804 		reg_rw->offset = (u32) le16_to_cpu(r.pmic->offset);
805 		reg_rw->value = (u32) r.pmic->value;
806 		break;
807 	case HostCmd_CMD_CAU_REG_ACCESS:
808 		r.rf = &resp->params.rf_reg;
809 		reg_rw->offset = (u32) le16_to_cpu(r.rf->offset);
810 		reg_rw->value = (u32) r.rf->value;
811 		break;
812 	case HostCmd_CMD_802_11_EEPROM_ACCESS:
813 		r.eeprom = &resp->params.eeprom;
814 		pr_debug("info: EEPROM read len=%x\n",
815 				le16_to_cpu(r.eeprom->byte_count));
816 		if (eeprom->byte_count < le16_to_cpu(r.eeprom->byte_count)) {
817 			eeprom->byte_count = 0;
818 			pr_debug("info: EEPROM read length is too big\n");
819 			return -1;
820 		}
821 		eeprom->offset = le16_to_cpu(r.eeprom->offset);
822 		eeprom->byte_count = le16_to_cpu(r.eeprom->byte_count);
823 		if (eeprom->byte_count > 0)
824 			memcpy(&eeprom->value, &r.eeprom->value,
825 			       min((u16)MAX_EEPROM_DATA, eeprom->byte_count));
826 		break;
827 	default:
828 		return -1;
829 	}
830 	return 0;
831 }
832 
833 /*
834  * This function handles the command response of get IBSS coalescing status.
835  *
836  * If the received BSSID is different than the current one, the current BSSID,
837  * beacon interval, ATIM window and ERP information are updated, along with
838  * changing the ad-hoc state accordingly.
839  */
840 static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv,
841 					      struct host_cmd_ds_command *resp)
842 {
843 	struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp =
844 					&(resp->params.ibss_coalescing);
845 
846 	if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET)
847 		return 0;
848 
849 	mwifiex_dbg(priv->adapter, INFO,
850 		    "info: new BSSID %pM\n", ibss_coal_resp->bssid);
851 
852 	/* If rsp has NULL BSSID, Just return..... No Action */
853 	if (is_zero_ether_addr(ibss_coal_resp->bssid)) {
854 		mwifiex_dbg(priv->adapter, FATAL, "new BSSID is NULL\n");
855 		return 0;
856 	}
857 
858 	/* If BSSID is diff, modify current BSS parameters */
859 	if (!ether_addr_equal(priv->curr_bss_params.bss_descriptor.mac_address, ibss_coal_resp->bssid)) {
860 		/* BSSID */
861 		memcpy(priv->curr_bss_params.bss_descriptor.mac_address,
862 		       ibss_coal_resp->bssid, ETH_ALEN);
863 
864 		/* Beacon Interval */
865 		priv->curr_bss_params.bss_descriptor.beacon_period
866 			= le16_to_cpu(ibss_coal_resp->beacon_interval);
867 
868 		/* ERP Information */
869 		priv->curr_bss_params.bss_descriptor.erp_flags =
870 			(u8) le16_to_cpu(ibss_coal_resp->use_g_rate_protect);
871 
872 		priv->adhoc_state = ADHOC_COALESCED;
873 	}
874 
875 	return 0;
876 }
877 static int mwifiex_ret_tdls_oper(struct mwifiex_private *priv,
878 				 struct host_cmd_ds_command *resp)
879 {
880 	struct host_cmd_ds_tdls_oper *cmd_tdls_oper = &resp->params.tdls_oper;
881 	u16 reason = le16_to_cpu(cmd_tdls_oper->reason);
882 	u16 action = le16_to_cpu(cmd_tdls_oper->tdls_action);
883 	struct mwifiex_sta_node *node =
884 			   mwifiex_get_sta_entry(priv, cmd_tdls_oper->peer_mac);
885 
886 	switch (action) {
887 	case ACT_TDLS_DELETE:
888 		if (reason) {
889 			if (!node || reason == TDLS_ERR_LINK_NONEXISTENT)
890 				mwifiex_dbg(priv->adapter, MSG,
891 					    "TDLS link delete for %pM failed: reason %d\n",
892 					    cmd_tdls_oper->peer_mac, reason);
893 			else
894 				mwifiex_dbg(priv->adapter, ERROR,
895 					    "TDLS link delete for %pM failed: reason %d\n",
896 					    cmd_tdls_oper->peer_mac, reason);
897 		} else {
898 			mwifiex_dbg(priv->adapter, MSG,
899 				    "TDLS link delete for %pM successful\n",
900 				    cmd_tdls_oper->peer_mac);
901 		}
902 		break;
903 	case ACT_TDLS_CREATE:
904 		if (reason) {
905 			mwifiex_dbg(priv->adapter, ERROR,
906 				    "TDLS link creation for %pM failed: reason %d",
907 				    cmd_tdls_oper->peer_mac, reason);
908 			if (node && reason != TDLS_ERR_LINK_EXISTS)
909 				node->tdls_status = TDLS_SETUP_FAILURE;
910 		} else {
911 			mwifiex_dbg(priv->adapter, MSG,
912 				    "TDLS link creation for %pM successful",
913 				    cmd_tdls_oper->peer_mac);
914 		}
915 		break;
916 	case ACT_TDLS_CONFIG:
917 		if (reason) {
918 			mwifiex_dbg(priv->adapter, ERROR,
919 				    "TDLS link config for %pM failed, reason %d\n",
920 				    cmd_tdls_oper->peer_mac, reason);
921 			if (node)
922 				node->tdls_status = TDLS_SETUP_FAILURE;
923 		} else {
924 			mwifiex_dbg(priv->adapter, MSG,
925 				    "TDLS link config for %pM successful\n",
926 				    cmd_tdls_oper->peer_mac);
927 		}
928 		break;
929 	default:
930 		mwifiex_dbg(priv->adapter, ERROR,
931 			    "Unknown TDLS command action response %d", action);
932 		return -1;
933 	}
934 
935 	return 0;
936 }
937 /*
938  * This function handles the command response for subscribe event command.
939  */
940 static int mwifiex_ret_subsc_evt(struct mwifiex_private *priv,
941 				 struct host_cmd_ds_command *resp)
942 {
943 	struct host_cmd_ds_802_11_subsc_evt *cmd_sub_event =
944 		&resp->params.subsc_evt;
945 
946 	/* For every subscribe event command (Get/Set/Clear), FW reports the
947 	 * current set of subscribed events*/
948 	mwifiex_dbg(priv->adapter, EVENT,
949 		    "Bitmap of currently subscribed events: %16x\n",
950 		    le16_to_cpu(cmd_sub_event->events));
951 
952 	return 0;
953 }
954 
955 static int mwifiex_ret_uap_sta_list(struct mwifiex_private *priv,
956 				    struct host_cmd_ds_command *resp)
957 {
958 	struct host_cmd_ds_sta_list *sta_list =
959 		&resp->params.sta_list;
960 	struct mwifiex_ie_types_sta_info *sta_info = (void *)&sta_list->tlv;
961 	int i;
962 	struct mwifiex_sta_node *sta_node;
963 
964 	for (i = 0; i < (le16_to_cpu(sta_list->sta_count)); i++) {
965 		sta_node = mwifiex_get_sta_entry(priv, sta_info->mac);
966 		if (unlikely(!sta_node))
967 			continue;
968 
969 		sta_node->stats.rssi = sta_info->rssi;
970 		sta_info++;
971 	}
972 
973 	return 0;
974 }
975 
976 /* This function handles the command response of set_cfg_data */
977 static int mwifiex_ret_cfg_data(struct mwifiex_private *priv,
978 				struct host_cmd_ds_command *resp)
979 {
980 	if (resp->result != HostCmd_RESULT_OK) {
981 		mwifiex_dbg(priv->adapter, ERROR, "Cal data cmd resp failed\n");
982 		return -1;
983 	}
984 
985 	return 0;
986 }
987 
988 /** This Function handles the command response of sdio rx aggr */
989 static int mwifiex_ret_sdio_rx_aggr_cfg(struct mwifiex_private *priv,
990 					struct host_cmd_ds_command *resp)
991 {
992 	struct mwifiex_adapter *adapter = priv->adapter;
993 	struct host_cmd_sdio_sp_rx_aggr_cfg *cfg =
994 				&resp->params.sdio_rx_aggr_cfg;
995 
996 	adapter->sdio_rx_aggr_enable = cfg->enable;
997 	adapter->sdio_rx_block_size = le16_to_cpu(cfg->block_size);
998 
999 	return 0;
1000 }
1001 
1002 static int mwifiex_ret_robust_coex(struct mwifiex_private *priv,
1003 				   struct host_cmd_ds_command *resp,
1004 				   bool *is_timeshare)
1005 {
1006 	struct host_cmd_ds_robust_coex *coex = &resp->params.coex;
1007 	struct mwifiex_ie_types_robust_coex *coex_tlv;
1008 	u16 action = le16_to_cpu(coex->action);
1009 	u32 mode;
1010 
1011 	coex_tlv = (struct mwifiex_ie_types_robust_coex
1012 		    *)((u8 *)coex + sizeof(struct host_cmd_ds_robust_coex));
1013 	if (action == HostCmd_ACT_GEN_GET) {
1014 		mode = le32_to_cpu(coex_tlv->mode);
1015 		if (mode == MWIFIEX_COEX_MODE_TIMESHARE)
1016 			*is_timeshare = true;
1017 		else
1018 			*is_timeshare = false;
1019 	}
1020 
1021 	return 0;
1022 }
1023 
1024 static struct ieee80211_regdomain *
1025 mwifiex_create_custom_regdomain(struct mwifiex_private *priv,
1026 				u8 *buf, u16 buf_len)
1027 {
1028 	u16 num_chan = buf_len / 2;
1029 	struct ieee80211_regdomain *regd;
1030 	struct ieee80211_reg_rule *rule;
1031 	bool new_rule;
1032 	int regd_size, idx, freq, prev_freq = 0;
1033 	u32 bw, prev_bw = 0;
1034 	u8 chflags, prev_chflags = 0, valid_rules = 0;
1035 
1036 	if (WARN_ON_ONCE(num_chan > NL80211_MAX_SUPP_REG_RULES))
1037 		return ERR_PTR(-EINVAL);
1038 
1039 	regd_size = sizeof(struct ieee80211_regdomain) +
1040 		    num_chan * sizeof(struct ieee80211_reg_rule);
1041 
1042 	regd = kzalloc(regd_size, GFP_KERNEL);
1043 	if (!regd)
1044 		return ERR_PTR(-ENOMEM);
1045 
1046 	for (idx = 0; idx < num_chan; idx++) {
1047 		u8 chan;
1048 		enum nl80211_band band;
1049 
1050 		chan = *buf++;
1051 		if (!chan) {
1052 			kfree(regd);
1053 			return NULL;
1054 		}
1055 		chflags = *buf++;
1056 		band = (chan <= 14) ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ;
1057 		freq = ieee80211_channel_to_frequency(chan, band);
1058 		new_rule = false;
1059 
1060 		if (chflags & MWIFIEX_CHANNEL_DISABLED)
1061 			continue;
1062 
1063 		if (band == NL80211_BAND_5GHZ) {
1064 			if (!(chflags & MWIFIEX_CHANNEL_NOHT80))
1065 				bw = MHZ_TO_KHZ(80);
1066 			else if (!(chflags & MWIFIEX_CHANNEL_NOHT40))
1067 				bw = MHZ_TO_KHZ(40);
1068 			else
1069 				bw = MHZ_TO_KHZ(20);
1070 		} else {
1071 			if (!(chflags & MWIFIEX_CHANNEL_NOHT40))
1072 				bw = MHZ_TO_KHZ(40);
1073 			else
1074 				bw = MHZ_TO_KHZ(20);
1075 		}
1076 
1077 		if (idx == 0 || prev_chflags != chflags || prev_bw != bw ||
1078 		    freq - prev_freq > 20) {
1079 			valid_rules++;
1080 			new_rule = true;
1081 		}
1082 
1083 		rule = &regd->reg_rules[valid_rules - 1];
1084 
1085 		rule->freq_range.end_freq_khz = MHZ_TO_KHZ(freq + 10);
1086 
1087 		prev_chflags = chflags;
1088 		prev_freq = freq;
1089 		prev_bw = bw;
1090 
1091 		if (!new_rule)
1092 			continue;
1093 
1094 		rule->freq_range.start_freq_khz = MHZ_TO_KHZ(freq - 10);
1095 		rule->power_rule.max_eirp = DBM_TO_MBM(19);
1096 
1097 		if (chflags & MWIFIEX_CHANNEL_PASSIVE)
1098 			rule->flags = NL80211_RRF_NO_IR;
1099 
1100 		if (chflags & MWIFIEX_CHANNEL_DFS)
1101 			rule->flags = NL80211_RRF_DFS;
1102 
1103 		rule->freq_range.max_bandwidth_khz = bw;
1104 	}
1105 
1106 	regd->n_reg_rules = valid_rules;
1107 	regd->alpha2[0] = '9';
1108 	regd->alpha2[1] = '9';
1109 
1110 	return regd;
1111 }
1112 
1113 static int mwifiex_ret_chan_region_cfg(struct mwifiex_private *priv,
1114 				       struct host_cmd_ds_command *resp)
1115 {
1116 	struct host_cmd_ds_chan_region_cfg *reg = &resp->params.reg_cfg;
1117 	u16 action = le16_to_cpu(reg->action);
1118 	u16 tlv, tlv_buf_len, tlv_buf_left;
1119 	struct mwifiex_ie_types_header *head;
1120 	struct ieee80211_regdomain *regd;
1121 	u8 *tlv_buf;
1122 
1123 	if (action != HostCmd_ACT_GEN_GET)
1124 		return 0;
1125 
1126 	tlv_buf = (u8 *)reg + sizeof(*reg);
1127 	tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*reg);
1128 
1129 	while (tlv_buf_left >= sizeof(*head)) {
1130 		head = (struct mwifiex_ie_types_header *)tlv_buf;
1131 		tlv = le16_to_cpu(head->type);
1132 		tlv_buf_len = le16_to_cpu(head->len);
1133 
1134 		if (tlv_buf_left < (sizeof(*head) + tlv_buf_len))
1135 			break;
1136 
1137 		switch (tlv) {
1138 		case TLV_TYPE_CHAN_ATTR_CFG:
1139 			mwifiex_dbg_dump(priv->adapter, CMD_D, "CHAN:",
1140 					 (u8 *)head + sizeof(*head),
1141 					 tlv_buf_len);
1142 			regd = mwifiex_create_custom_regdomain(priv,
1143 				(u8 *)head + sizeof(*head), tlv_buf_len);
1144 			if (!IS_ERR(regd))
1145 				priv->adapter->regd = regd;
1146 			break;
1147 		}
1148 
1149 		tlv_buf += (sizeof(*head) + tlv_buf_len);
1150 		tlv_buf_left -= (sizeof(*head) + tlv_buf_len);
1151 	}
1152 
1153 	return 0;
1154 }
1155 
1156 static int mwifiex_ret_pkt_aggr_ctrl(struct mwifiex_private *priv,
1157 				     struct host_cmd_ds_command *resp)
1158 {
1159 	struct host_cmd_ds_pkt_aggr_ctrl *pkt_aggr_ctrl =
1160 					&resp->params.pkt_aggr_ctrl;
1161 	struct mwifiex_adapter *adapter = priv->adapter;
1162 
1163 	adapter->bus_aggr.enable = le16_to_cpu(pkt_aggr_ctrl->enable);
1164 	if (adapter->bus_aggr.enable)
1165 		adapter->intf_hdr_len = INTF_HEADER_LEN;
1166 	adapter->bus_aggr.mode = MWIFIEX_BUS_AGGR_MODE_LEN_V2;
1167 	adapter->bus_aggr.tx_aggr_max_size =
1168 				le16_to_cpu(pkt_aggr_ctrl->tx_aggr_max_size);
1169 	adapter->bus_aggr.tx_aggr_max_num =
1170 				le16_to_cpu(pkt_aggr_ctrl->tx_aggr_max_num);
1171 	adapter->bus_aggr.tx_aggr_align =
1172 				le16_to_cpu(pkt_aggr_ctrl->tx_aggr_align);
1173 
1174 	return 0;
1175 }
1176 
1177 /*
1178  * This function handles the command responses.
1179  *
1180  * This is a generic function, which calls command specific
1181  * response handlers based on the command ID.
1182  */
1183 int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
1184 				struct host_cmd_ds_command *resp)
1185 {
1186 	int ret = 0;
1187 	struct mwifiex_adapter *adapter = priv->adapter;
1188 	void *data_buf = adapter->curr_cmd->data_buf;
1189 
1190 	/* If the command is not successful, cleanup and return failure */
1191 	if (resp->result != HostCmd_RESULT_OK) {
1192 		mwifiex_process_cmdresp_error(priv, resp);
1193 		return -1;
1194 	}
1195 	/* Command successful, handle response */
1196 	switch (cmdresp_no) {
1197 	case HostCmd_CMD_GET_HW_SPEC:
1198 		ret = mwifiex_ret_get_hw_spec(priv, resp);
1199 		break;
1200 	case HostCmd_CMD_CFG_DATA:
1201 		ret = mwifiex_ret_cfg_data(priv, resp);
1202 		break;
1203 	case HostCmd_CMD_MAC_CONTROL:
1204 		break;
1205 	case HostCmd_CMD_802_11_MAC_ADDRESS:
1206 		ret = mwifiex_ret_802_11_mac_address(priv, resp);
1207 		break;
1208 	case HostCmd_CMD_MAC_MULTICAST_ADR:
1209 		ret = mwifiex_ret_mac_multicast_adr(priv, resp);
1210 		break;
1211 	case HostCmd_CMD_TX_RATE_CFG:
1212 		ret = mwifiex_ret_tx_rate_cfg(priv, resp);
1213 		break;
1214 	case HostCmd_CMD_802_11_SCAN:
1215 		ret = mwifiex_ret_802_11_scan(priv, resp);
1216 		adapter->curr_cmd->wait_q_enabled = false;
1217 		break;
1218 	case HostCmd_CMD_802_11_SCAN_EXT:
1219 		ret = mwifiex_ret_802_11_scan_ext(priv, resp);
1220 		adapter->curr_cmd->wait_q_enabled = false;
1221 		break;
1222 	case HostCmd_CMD_802_11_BG_SCAN_QUERY:
1223 		ret = mwifiex_ret_802_11_scan(priv, resp);
1224 		cfg80211_sched_scan_results(priv->wdev.wiphy, 0);
1225 		mwifiex_dbg(adapter, CMD,
1226 			    "info: CMD_RESP: BG_SCAN result is ready!\n");
1227 		break;
1228 	case HostCmd_CMD_802_11_BG_SCAN_CONFIG:
1229 		break;
1230 	case HostCmd_CMD_TXPWR_CFG:
1231 		ret = mwifiex_ret_tx_power_cfg(priv, resp);
1232 		break;
1233 	case HostCmd_CMD_RF_TX_PWR:
1234 		ret = mwifiex_ret_rf_tx_power(priv, resp);
1235 		break;
1236 	case HostCmd_CMD_RF_ANTENNA:
1237 		ret = mwifiex_ret_rf_antenna(priv, resp);
1238 		break;
1239 	case HostCmd_CMD_802_11_PS_MODE_ENH:
1240 		ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf);
1241 		break;
1242 	case HostCmd_CMD_802_11_HS_CFG_ENH:
1243 		ret = mwifiex_ret_802_11_hs_cfg(priv, resp);
1244 		break;
1245 	case HostCmd_CMD_802_11_ASSOCIATE:
1246 		ret = mwifiex_ret_802_11_associate(priv, resp);
1247 		break;
1248 	case HostCmd_CMD_802_11_DEAUTHENTICATE:
1249 		ret = mwifiex_ret_802_11_deauthenticate(priv, resp);
1250 		break;
1251 	case HostCmd_CMD_802_11_AD_HOC_START:
1252 	case HostCmd_CMD_802_11_AD_HOC_JOIN:
1253 		ret = mwifiex_ret_802_11_ad_hoc(priv, resp);
1254 		break;
1255 	case HostCmd_CMD_802_11_AD_HOC_STOP:
1256 		ret = mwifiex_ret_802_11_ad_hoc_stop(priv, resp);
1257 		break;
1258 	case HostCmd_CMD_802_11_GET_LOG:
1259 		ret = mwifiex_ret_get_log(priv, resp, data_buf);
1260 		break;
1261 	case HostCmd_CMD_RSSI_INFO:
1262 		ret = mwifiex_ret_802_11_rssi_info(priv, resp);
1263 		break;
1264 	case HostCmd_CMD_802_11_SNMP_MIB:
1265 		ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf);
1266 		break;
1267 	case HostCmd_CMD_802_11_TX_RATE_QUERY:
1268 		ret = mwifiex_ret_802_11_tx_rate_query(priv, resp);
1269 		break;
1270 	case HostCmd_CMD_VERSION_EXT:
1271 		ret = mwifiex_ret_ver_ext(priv, resp, data_buf);
1272 		break;
1273 	case HostCmd_CMD_REMAIN_ON_CHAN:
1274 		ret = mwifiex_ret_remain_on_chan(priv, resp, data_buf);
1275 		break;
1276 	case HostCmd_CMD_11AC_CFG:
1277 		break;
1278 	case HostCmd_CMD_PACKET_AGGR_CTRL:
1279 		ret = mwifiex_ret_pkt_aggr_ctrl(priv, resp);
1280 		break;
1281 	case HostCmd_CMD_P2P_MODE_CFG:
1282 		ret = mwifiex_ret_p2p_mode_cfg(priv, resp, data_buf);
1283 		break;
1284 	case HostCmd_CMD_MGMT_FRAME_REG:
1285 	case HostCmd_CMD_FUNC_INIT:
1286 	case HostCmd_CMD_FUNC_SHUTDOWN:
1287 		break;
1288 	case HostCmd_CMD_802_11_KEY_MATERIAL:
1289 		ret = mwifiex_ret_802_11_key_material(priv, resp);
1290 		break;
1291 	case HostCmd_CMD_802_11D_DOMAIN_INFO:
1292 		ret = mwifiex_ret_802_11d_domain_info(priv, resp);
1293 		break;
1294 	case HostCmd_CMD_11N_ADDBA_REQ:
1295 		ret = mwifiex_ret_11n_addba_req(priv, resp);
1296 		break;
1297 	case HostCmd_CMD_11N_DELBA:
1298 		ret = mwifiex_ret_11n_delba(priv, resp);
1299 		break;
1300 	case HostCmd_CMD_11N_ADDBA_RSP:
1301 		ret = mwifiex_ret_11n_addba_resp(priv, resp);
1302 		break;
1303 	case HostCmd_CMD_RECONFIGURE_TX_BUFF:
1304 		if (0xffff == (u16)le16_to_cpu(resp->params.tx_buf.buff_size)) {
1305 			if (adapter->iface_type == MWIFIEX_USB &&
1306 			    adapter->usb_mc_setup) {
1307 				if (adapter->if_ops.multi_port_resync)
1308 					adapter->if_ops.
1309 						multi_port_resync(adapter);
1310 				adapter->usb_mc_setup = false;
1311 				adapter->tx_lock_flag = false;
1312 			}
1313 			break;
1314 		}
1315 		adapter->tx_buf_size = (u16) le16_to_cpu(resp->params.
1316 							     tx_buf.buff_size);
1317 		adapter->tx_buf_size = (adapter->tx_buf_size
1318 					/ MWIFIEX_SDIO_BLOCK_SIZE)
1319 				       * MWIFIEX_SDIO_BLOCK_SIZE;
1320 		adapter->curr_tx_buf_size = adapter->tx_buf_size;
1321 		mwifiex_dbg(adapter, CMD, "cmd: curr_tx_buf_size=%d\n",
1322 			    adapter->curr_tx_buf_size);
1323 
1324 		if (adapter->if_ops.update_mp_end_port)
1325 			adapter->if_ops.update_mp_end_port(adapter,
1326 				le16_to_cpu(resp->params.tx_buf.mp_end_port));
1327 		break;
1328 	case HostCmd_CMD_AMSDU_AGGR_CTRL:
1329 		break;
1330 	case HostCmd_CMD_WMM_GET_STATUS:
1331 		ret = mwifiex_ret_wmm_get_status(priv, resp);
1332 		break;
1333 	case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
1334 		ret = mwifiex_ret_ibss_coalescing_status(priv, resp);
1335 		break;
1336 	case HostCmd_CMD_MEM_ACCESS:
1337 		ret = mwifiex_ret_mem_access(priv, resp, data_buf);
1338 		break;
1339 	case HostCmd_CMD_MAC_REG_ACCESS:
1340 	case HostCmd_CMD_BBP_REG_ACCESS:
1341 	case HostCmd_CMD_RF_REG_ACCESS:
1342 	case HostCmd_CMD_PMIC_REG_ACCESS:
1343 	case HostCmd_CMD_CAU_REG_ACCESS:
1344 	case HostCmd_CMD_802_11_EEPROM_ACCESS:
1345 		ret = mwifiex_ret_reg_access(cmdresp_no, resp, data_buf);
1346 		break;
1347 	case HostCmd_CMD_SET_BSS_MODE:
1348 		break;
1349 	case HostCmd_CMD_11N_CFG:
1350 		break;
1351 	case HostCmd_CMD_PCIE_DESC_DETAILS:
1352 		break;
1353 	case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
1354 		ret = mwifiex_ret_subsc_evt(priv, resp);
1355 		break;
1356 	case HostCmd_CMD_UAP_SYS_CONFIG:
1357 		break;
1358 	case HOST_CMD_APCMD_STA_LIST:
1359 		ret = mwifiex_ret_uap_sta_list(priv, resp);
1360 		break;
1361 	case HostCmd_CMD_UAP_BSS_START:
1362 		adapter->tx_lock_flag = false;
1363 		adapter->pps_uapsd_mode = false;
1364 		adapter->delay_null_pkt = false;
1365 		priv->bss_started = 1;
1366 		break;
1367 	case HostCmd_CMD_UAP_BSS_STOP:
1368 		priv->bss_started = 0;
1369 		break;
1370 	case HostCmd_CMD_UAP_STA_DEAUTH:
1371 		break;
1372 	case HOST_CMD_APCMD_SYS_RESET:
1373 		break;
1374 	case HostCmd_CMD_MEF_CFG:
1375 		break;
1376 	case HostCmd_CMD_COALESCE_CFG:
1377 		break;
1378 	case HostCmd_CMD_TDLS_OPER:
1379 		ret = mwifiex_ret_tdls_oper(priv, resp);
1380 	case HostCmd_CMD_MC_POLICY:
1381 		break;
1382 	case HostCmd_CMD_CHAN_REPORT_REQUEST:
1383 		break;
1384 	case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG:
1385 		ret = mwifiex_ret_sdio_rx_aggr_cfg(priv, resp);
1386 		break;
1387 	case HostCmd_CMD_HS_WAKEUP_REASON:
1388 		ret = mwifiex_ret_wakeup_reason(priv, resp, data_buf);
1389 		break;
1390 	case HostCmd_CMD_TDLS_CONFIG:
1391 		break;
1392 	case HostCmd_CMD_ROBUST_COEX:
1393 		ret = mwifiex_ret_robust_coex(priv, resp, data_buf);
1394 		break;
1395 	case HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG:
1396 		break;
1397 	case HostCmd_CMD_CHAN_REGION_CFG:
1398 		ret = mwifiex_ret_chan_region_cfg(priv, resp);
1399 		break;
1400 	default:
1401 		mwifiex_dbg(adapter, ERROR,
1402 			    "CMD_RESP: unknown cmd response %#x\n",
1403 			    resp->command);
1404 		break;
1405 	}
1406 
1407 	return ret;
1408 }
1409