xref: /linux/drivers/net/wireless/marvell/mwifiex/sta_cmd.c (revision db6d8d5fdf9537641c76ba7f32e02b4bcc600972)
1 /*
2  * Marvell Wireless LAN device driver: station command 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 static bool drcs;
30 module_param(drcs, bool, 0644);
31 MODULE_PARM_DESC(drcs, "multi-channel operation:1, single-channel operation:0");
32 
33 static bool disable_auto_ds;
34 module_param(disable_auto_ds, bool, 0);
35 MODULE_PARM_DESC(disable_auto_ds,
36 		 "deepsleep enabled=0(default), deepsleep disabled=1");
37 /*
38  * This function prepares command to set/get RSSI information.
39  *
40  * Preparation includes -
41  *      - Setting command ID, action and proper size
42  *      - Setting data/beacon average factors
43  *      - Resetting SNR/NF/RSSI values in private structure
44  *      - Ensuring correct endian-ness
45  */
46 static int
47 mwifiex_cmd_802_11_rssi_info(struct mwifiex_private *priv,
48 			     struct host_cmd_ds_command *cmd, u16 cmd_action)
49 {
50 	cmd->command = cpu_to_le16(HostCmd_CMD_RSSI_INFO);
51 	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_rssi_info) +
52 				S_DS_GEN);
53 	cmd->params.rssi_info.action = cpu_to_le16(cmd_action);
54 	cmd->params.rssi_info.ndata = cpu_to_le16(priv->data_avg_factor);
55 	cmd->params.rssi_info.nbcn = cpu_to_le16(priv->bcn_avg_factor);
56 
57 	/* Reset SNR/NF/RSSI values in private structure */
58 	priv->data_rssi_last = 0;
59 	priv->data_nf_last = 0;
60 	priv->data_rssi_avg = 0;
61 	priv->data_nf_avg = 0;
62 	priv->bcn_rssi_last = 0;
63 	priv->bcn_nf_last = 0;
64 	priv->bcn_rssi_avg = 0;
65 	priv->bcn_nf_avg = 0;
66 
67 	return 0;
68 }
69 
70 /*
71  * This function prepares command to set MAC control.
72  *
73  * Preparation includes -
74  *      - Setting command ID, action and proper size
75  *      - Ensuring correct endian-ness
76  */
77 static int mwifiex_cmd_mac_control(struct mwifiex_private *priv,
78 				   struct host_cmd_ds_command *cmd,
79 				   u16 cmd_action, u16 *action)
80 {
81 	struct host_cmd_ds_mac_control *mac_ctrl = &cmd->params.mac_ctrl;
82 
83 	if (cmd_action != HostCmd_ACT_GEN_SET) {
84 		mwifiex_dbg(priv->adapter, ERROR,
85 			    "mac_control: only support set cmd\n");
86 		return -1;
87 	}
88 
89 	cmd->command = cpu_to_le16(HostCmd_CMD_MAC_CONTROL);
90 	cmd->size =
91 		cpu_to_le16(sizeof(struct host_cmd_ds_mac_control) + S_DS_GEN);
92 	mac_ctrl->action = cpu_to_le16(*action);
93 
94 	return 0;
95 }
96 
97 /*
98  * This function prepares command to set/get SNMP MIB.
99  *
100  * Preparation includes -
101  *      - Setting command ID, action and proper size
102  *      - Setting SNMP MIB OID number and value
103  *        (as required)
104  *      - Ensuring correct endian-ness
105  *
106  * The following SNMP MIB OIDs are supported -
107  *      - FRAG_THRESH_I     : Fragmentation threshold
108  *      - RTS_THRESH_I      : RTS threshold
109  *      - SHORT_RETRY_LIM_I : Short retry limit
110  *      - DOT11D_I          : 11d support
111  */
112 static int mwifiex_cmd_802_11_snmp_mib(struct mwifiex_private *priv,
113 				       struct host_cmd_ds_command *cmd,
114 				       u16 cmd_action, u32 cmd_oid,
115 				       u16 *ul_temp)
116 {
117 	struct host_cmd_ds_802_11_snmp_mib *snmp_mib = &cmd->params.smib;
118 
119 	mwifiex_dbg(priv->adapter, CMD,
120 		    "cmd: SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
121 	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_SNMP_MIB);
122 	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_snmp_mib)
123 				- 1 + S_DS_GEN);
124 
125 	snmp_mib->oid = cpu_to_le16((u16)cmd_oid);
126 	if (cmd_action == HostCmd_ACT_GEN_GET) {
127 		snmp_mib->query_type = cpu_to_le16(HostCmd_ACT_GEN_GET);
128 		snmp_mib->buf_size = cpu_to_le16(MAX_SNMP_BUF_SIZE);
129 		le16_add_cpu(&cmd->size, MAX_SNMP_BUF_SIZE);
130 	} else if (cmd_action == HostCmd_ACT_GEN_SET) {
131 		snmp_mib->query_type = cpu_to_le16(HostCmd_ACT_GEN_SET);
132 		snmp_mib->buf_size = cpu_to_le16(sizeof(u16));
133 		*((__le16 *) (snmp_mib->value)) = cpu_to_le16(*ul_temp);
134 		le16_add_cpu(&cmd->size, sizeof(u16));
135 	}
136 
137 	mwifiex_dbg(priv->adapter, CMD,
138 		    "cmd: SNMP_CMD: Action=0x%x, OID=0x%x,\t"
139 		    "OIDSize=0x%x, Value=0x%x\n",
140 		    cmd_action, cmd_oid, le16_to_cpu(snmp_mib->buf_size),
141 		    le16_to_cpu(*(__le16 *)snmp_mib->value));
142 	return 0;
143 }
144 
145 /*
146  * This function prepares command to get log.
147  *
148  * Preparation includes -
149  *      - Setting command ID and proper size
150  *      - Ensuring correct endian-ness
151  */
152 static int
153 mwifiex_cmd_802_11_get_log(struct host_cmd_ds_command *cmd)
154 {
155 	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_GET_LOG);
156 	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_get_log) +
157 				S_DS_GEN);
158 	return 0;
159 }
160 
161 /*
162  * This function prepares command to set/get Tx data rate configuration.
163  *
164  * Preparation includes -
165  *      - Setting command ID, action and proper size
166  *      - Setting configuration index, rate scope and rate drop pattern
167  *        parameters (as required)
168  *      - Ensuring correct endian-ness
169  */
170 static int mwifiex_cmd_tx_rate_cfg(struct mwifiex_private *priv,
171 				   struct host_cmd_ds_command *cmd,
172 				   u16 cmd_action, u16 *pbitmap_rates)
173 {
174 	struct host_cmd_ds_tx_rate_cfg *rate_cfg = &cmd->params.tx_rate_cfg;
175 	struct mwifiex_rate_scope *rate_scope;
176 	struct mwifiex_rate_drop_pattern *rate_drop;
177 	u32 i;
178 
179 	cmd->command = cpu_to_le16(HostCmd_CMD_TX_RATE_CFG);
180 
181 	rate_cfg->action = cpu_to_le16(cmd_action);
182 	rate_cfg->cfg_index = 0;
183 
184 	rate_scope = (struct mwifiex_rate_scope *) ((u8 *) rate_cfg +
185 		      sizeof(struct host_cmd_ds_tx_rate_cfg));
186 	rate_scope->type = cpu_to_le16(TLV_TYPE_RATE_SCOPE);
187 	rate_scope->length = cpu_to_le16
188 		(sizeof(*rate_scope) - sizeof(struct mwifiex_ie_types_header));
189 	if (pbitmap_rates != NULL) {
190 		rate_scope->hr_dsss_rate_bitmap = cpu_to_le16(pbitmap_rates[0]);
191 		rate_scope->ofdm_rate_bitmap = cpu_to_le16(pbitmap_rates[1]);
192 		for (i = 0;
193 		     i < sizeof(rate_scope->ht_mcs_rate_bitmap) / sizeof(u16);
194 		     i++)
195 			rate_scope->ht_mcs_rate_bitmap[i] =
196 				cpu_to_le16(pbitmap_rates[2 + i]);
197 		if (priv->adapter->fw_api_ver == MWIFIEX_FW_V15) {
198 			for (i = 0;
199 			     i < ARRAY_SIZE(rate_scope->vht_mcs_rate_bitmap);
200 			     i++)
201 				rate_scope->vht_mcs_rate_bitmap[i] =
202 					cpu_to_le16(pbitmap_rates[10 + i]);
203 		}
204 	} else {
205 		rate_scope->hr_dsss_rate_bitmap =
206 			cpu_to_le16(priv->bitmap_rates[0]);
207 		rate_scope->ofdm_rate_bitmap =
208 			cpu_to_le16(priv->bitmap_rates[1]);
209 		for (i = 0;
210 		     i < sizeof(rate_scope->ht_mcs_rate_bitmap) / sizeof(u16);
211 		     i++)
212 			rate_scope->ht_mcs_rate_bitmap[i] =
213 				cpu_to_le16(priv->bitmap_rates[2 + i]);
214 		if (priv->adapter->fw_api_ver == MWIFIEX_FW_V15) {
215 			for (i = 0;
216 			     i < ARRAY_SIZE(rate_scope->vht_mcs_rate_bitmap);
217 			     i++)
218 				rate_scope->vht_mcs_rate_bitmap[i] =
219 					cpu_to_le16(priv->bitmap_rates[10 + i]);
220 		}
221 	}
222 
223 	rate_drop = (struct mwifiex_rate_drop_pattern *) ((u8 *) rate_scope +
224 					     sizeof(struct mwifiex_rate_scope));
225 	rate_drop->type = cpu_to_le16(TLV_TYPE_RATE_DROP_CONTROL);
226 	rate_drop->length = cpu_to_le16(sizeof(rate_drop->rate_drop_mode));
227 	rate_drop->rate_drop_mode = 0;
228 
229 	cmd->size =
230 		cpu_to_le16(S_DS_GEN + sizeof(struct host_cmd_ds_tx_rate_cfg) +
231 			    sizeof(struct mwifiex_rate_scope) +
232 			    sizeof(struct mwifiex_rate_drop_pattern));
233 
234 	return 0;
235 }
236 
237 /*
238  * This function prepares command to set/get Tx power configuration.
239  *
240  * Preparation includes -
241  *      - Setting command ID, action and proper size
242  *      - Setting Tx power mode, power group TLV
243  *        (as required)
244  *      - Ensuring correct endian-ness
245  */
246 static int mwifiex_cmd_tx_power_cfg(struct host_cmd_ds_command *cmd,
247 				    u16 cmd_action,
248 				    struct host_cmd_ds_txpwr_cfg *txp)
249 {
250 	struct mwifiex_types_power_group *pg_tlv;
251 	struct host_cmd_ds_txpwr_cfg *cmd_txp_cfg = &cmd->params.txp_cfg;
252 
253 	cmd->command = cpu_to_le16(HostCmd_CMD_TXPWR_CFG);
254 	cmd->size =
255 		cpu_to_le16(S_DS_GEN + sizeof(struct host_cmd_ds_txpwr_cfg));
256 	switch (cmd_action) {
257 	case HostCmd_ACT_GEN_SET:
258 		if (txp->mode) {
259 			pg_tlv = (struct mwifiex_types_power_group
260 				  *) ((unsigned long) txp +
261 				     sizeof(struct host_cmd_ds_txpwr_cfg));
262 			memmove(cmd_txp_cfg, txp,
263 				sizeof(struct host_cmd_ds_txpwr_cfg) +
264 				sizeof(struct mwifiex_types_power_group) +
265 				le16_to_cpu(pg_tlv->length));
266 
267 			pg_tlv = (struct mwifiex_types_power_group *) ((u8 *)
268 				  cmd_txp_cfg +
269 				  sizeof(struct host_cmd_ds_txpwr_cfg));
270 			cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) +
271 				  sizeof(struct mwifiex_types_power_group) +
272 				  le16_to_cpu(pg_tlv->length));
273 		} else {
274 			memmove(cmd_txp_cfg, txp, sizeof(*txp));
275 		}
276 		cmd_txp_cfg->action = cpu_to_le16(cmd_action);
277 		break;
278 	case HostCmd_ACT_GEN_GET:
279 		cmd_txp_cfg->action = cpu_to_le16(cmd_action);
280 		break;
281 	}
282 
283 	return 0;
284 }
285 
286 /*
287  * This function prepares command to get RF Tx power.
288  */
289 static int mwifiex_cmd_rf_tx_power(struct mwifiex_private *priv,
290 				   struct host_cmd_ds_command *cmd,
291 				   u16 cmd_action, void *data_buf)
292 {
293 	struct host_cmd_ds_rf_tx_pwr *txp = &cmd->params.txp;
294 
295 	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_rf_tx_pwr)
296 				+ S_DS_GEN);
297 	cmd->command = cpu_to_le16(HostCmd_CMD_RF_TX_PWR);
298 	txp->action = cpu_to_le16(cmd_action);
299 
300 	return 0;
301 }
302 
303 /*
304  * This function prepares command to set rf antenna.
305  */
306 static int mwifiex_cmd_rf_antenna(struct mwifiex_private *priv,
307 				  struct host_cmd_ds_command *cmd,
308 				  u16 cmd_action,
309 				  struct mwifiex_ds_ant_cfg *ant_cfg)
310 {
311 	struct host_cmd_ds_rf_ant_mimo *ant_mimo = &cmd->params.ant_mimo;
312 	struct host_cmd_ds_rf_ant_siso *ant_siso = &cmd->params.ant_siso;
313 
314 	cmd->command = cpu_to_le16(HostCmd_CMD_RF_ANTENNA);
315 
316 	switch (cmd_action) {
317 	case HostCmd_ACT_GEN_SET:
318 		if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2) {
319 			cmd->size = cpu_to_le16(sizeof(struct
320 						host_cmd_ds_rf_ant_mimo)
321 						+ S_DS_GEN);
322 			ant_mimo->action_tx = cpu_to_le16(HostCmd_ACT_SET_TX);
323 			ant_mimo->tx_ant_mode = cpu_to_le16((u16)ant_cfg->
324 							    tx_ant);
325 			ant_mimo->action_rx = cpu_to_le16(HostCmd_ACT_SET_RX);
326 			ant_mimo->rx_ant_mode = cpu_to_le16((u16)ant_cfg->
327 							    rx_ant);
328 		} else {
329 			cmd->size = cpu_to_le16(sizeof(struct
330 						host_cmd_ds_rf_ant_siso) +
331 						S_DS_GEN);
332 			ant_siso->action = cpu_to_le16(HostCmd_ACT_SET_BOTH);
333 			ant_siso->ant_mode = cpu_to_le16((u16)ant_cfg->tx_ant);
334 		}
335 		break;
336 	case HostCmd_ACT_GEN_GET:
337 		if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2) {
338 			cmd->size = cpu_to_le16(sizeof(struct
339 						host_cmd_ds_rf_ant_mimo) +
340 						S_DS_GEN);
341 			ant_mimo->action_tx = cpu_to_le16(HostCmd_ACT_GET_TX);
342 			ant_mimo->action_rx = cpu_to_le16(HostCmd_ACT_GET_RX);
343 		} else {
344 			cmd->size = cpu_to_le16(sizeof(struct
345 						host_cmd_ds_rf_ant_siso) +
346 						S_DS_GEN);
347 			ant_siso->action = cpu_to_le16(HostCmd_ACT_GET_BOTH);
348 		}
349 		break;
350 	}
351 	return 0;
352 }
353 
354 /*
355  * This function prepares command to set Host Sleep configuration.
356  *
357  * Preparation includes -
358  *      - Setting command ID and proper size
359  *      - Setting Host Sleep action, conditions, ARP filters
360  *        (as required)
361  *      - Ensuring correct endian-ness
362  */
363 static int
364 mwifiex_cmd_802_11_hs_cfg(struct mwifiex_private *priv,
365 			  struct host_cmd_ds_command *cmd,
366 			  u16 cmd_action,
367 			  struct mwifiex_hs_config_param *hscfg_param)
368 {
369 	struct mwifiex_adapter *adapter = priv->adapter;
370 	struct host_cmd_ds_802_11_hs_cfg_enh *hs_cfg = &cmd->params.opt_hs_cfg;
371 	bool hs_activate = false;
372 
373 	if (!hscfg_param)
374 		/* New Activate command */
375 		hs_activate = true;
376 	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH);
377 
378 	if (!hs_activate &&
379 	    (hscfg_param->conditions != cpu_to_le32(HS_CFG_CANCEL)) &&
380 	    ((adapter->arp_filter_size > 0) &&
381 	     (adapter->arp_filter_size <= ARP_FILTER_MAX_BUF_SIZE))) {
382 		mwifiex_dbg(adapter, CMD,
383 			    "cmd: Attach %d bytes ArpFilter to HSCfg cmd\n",
384 			    adapter->arp_filter_size);
385 		memcpy(((u8 *) hs_cfg) +
386 		       sizeof(struct host_cmd_ds_802_11_hs_cfg_enh),
387 		       adapter->arp_filter, adapter->arp_filter_size);
388 		cmd->size = cpu_to_le16
389 				(adapter->arp_filter_size +
390 				 sizeof(struct host_cmd_ds_802_11_hs_cfg_enh)
391 				+ S_DS_GEN);
392 	} else {
393 		cmd->size = cpu_to_le16(S_DS_GEN + sizeof(struct
394 						host_cmd_ds_802_11_hs_cfg_enh));
395 	}
396 	if (hs_activate) {
397 		hs_cfg->action = cpu_to_le16(HS_ACTIVATE);
398 		hs_cfg->params.hs_activate.resp_ctrl = cpu_to_le16(RESP_NEEDED);
399 	} else {
400 		hs_cfg->action = cpu_to_le16(HS_CONFIGURE);
401 		hs_cfg->params.hs_config.conditions = hscfg_param->conditions;
402 		hs_cfg->params.hs_config.gpio = hscfg_param->gpio;
403 		hs_cfg->params.hs_config.gap = hscfg_param->gap;
404 		mwifiex_dbg(adapter, CMD,
405 			    "cmd: HS_CFG_CMD: condition:0x%x gpio:0x%x gap:0x%x\n",
406 			    hs_cfg->params.hs_config.conditions,
407 			    hs_cfg->params.hs_config.gpio,
408 			    hs_cfg->params.hs_config.gap);
409 	}
410 
411 	return 0;
412 }
413 
414 /*
415  * This function prepares command to set/get MAC address.
416  *
417  * Preparation includes -
418  *      - Setting command ID, action and proper size
419  *      - Setting MAC address (for SET only)
420  *      - Ensuring correct endian-ness
421  */
422 static int mwifiex_cmd_802_11_mac_address(struct mwifiex_private *priv,
423 					  struct host_cmd_ds_command *cmd,
424 					  u16 cmd_action)
425 {
426 	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_MAC_ADDRESS);
427 	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_mac_address) +
428 				S_DS_GEN);
429 	cmd->result = 0;
430 
431 	cmd->params.mac_addr.action = cpu_to_le16(cmd_action);
432 
433 	if (cmd_action == HostCmd_ACT_GEN_SET)
434 		memcpy(cmd->params.mac_addr.mac_addr, priv->curr_addr,
435 		       ETH_ALEN);
436 	return 0;
437 }
438 
439 /*
440  * This function prepares command to set MAC multicast address.
441  *
442  * Preparation includes -
443  *      - Setting command ID, action and proper size
444  *      - Setting MAC multicast address
445  *      - Ensuring correct endian-ness
446  */
447 static int
448 mwifiex_cmd_mac_multicast_adr(struct host_cmd_ds_command *cmd,
449 			      u16 cmd_action,
450 			      struct mwifiex_multicast_list *mcast_list)
451 {
452 	struct host_cmd_ds_mac_multicast_adr *mcast_addr = &cmd->params.mc_addr;
453 
454 	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_mac_multicast_adr) +
455 				S_DS_GEN);
456 	cmd->command = cpu_to_le16(HostCmd_CMD_MAC_MULTICAST_ADR);
457 
458 	mcast_addr->action = cpu_to_le16(cmd_action);
459 	mcast_addr->num_of_adrs =
460 		cpu_to_le16((u16) mcast_list->num_multicast_addr);
461 	memcpy(mcast_addr->mac_list, mcast_list->mac_list,
462 	       mcast_list->num_multicast_addr * ETH_ALEN);
463 
464 	return 0;
465 }
466 
467 /*
468  * This function prepares command to deauthenticate.
469  *
470  * Preparation includes -
471  *      - Setting command ID and proper size
472  *      - Setting AP MAC address and reason code
473  *      - Ensuring correct endian-ness
474  */
475 static int mwifiex_cmd_802_11_deauthenticate(struct mwifiex_private *priv,
476 					     struct host_cmd_ds_command *cmd,
477 					     u8 *mac)
478 {
479 	struct host_cmd_ds_802_11_deauthenticate *deauth = &cmd->params.deauth;
480 
481 	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_DEAUTHENTICATE);
482 	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_deauthenticate)
483 				+ S_DS_GEN);
484 
485 	/* Set AP MAC address */
486 	memcpy(deauth->mac_addr, mac, ETH_ALEN);
487 
488 	mwifiex_dbg(priv->adapter, CMD, "cmd: Deauth: %pM\n", deauth->mac_addr);
489 
490 	deauth->reason_code = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
491 
492 	return 0;
493 }
494 
495 /*
496  * This function prepares command to stop Ad-Hoc network.
497  *
498  * Preparation includes -
499  *      - Setting command ID and proper size
500  *      - Ensuring correct endian-ness
501  */
502 static int mwifiex_cmd_802_11_ad_hoc_stop(struct host_cmd_ds_command *cmd)
503 {
504 	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_STOP);
505 	cmd->size = cpu_to_le16(S_DS_GEN);
506 	return 0;
507 }
508 
509 /*
510  * This function sets WEP key(s) to key parameter TLV(s).
511  *
512  * Multi-key parameter TLVs are supported, so we can send multiple
513  * WEP keys in a single buffer.
514  */
515 static int
516 mwifiex_set_keyparamset_wep(struct mwifiex_private *priv,
517 			    struct mwifiex_ie_type_key_param_set *key_param_set,
518 			    u16 *key_param_len)
519 {
520 	int cur_key_param_len;
521 	u8 i;
522 
523 	/* Multi-key_param_set TLV is supported */
524 	for (i = 0; i < NUM_WEP_KEYS; i++) {
525 		if ((priv->wep_key[i].key_length == WLAN_KEY_LEN_WEP40) ||
526 		    (priv->wep_key[i].key_length == WLAN_KEY_LEN_WEP104)) {
527 			key_param_set->type =
528 				cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
529 /* Key_param_set WEP fixed length */
530 #define KEYPARAMSET_WEP_FIXED_LEN 8
531 			key_param_set->length = cpu_to_le16((u16)
532 					(priv->wep_key[i].
533 					 key_length +
534 					 KEYPARAMSET_WEP_FIXED_LEN));
535 			key_param_set->key_type_id =
536 				cpu_to_le16(KEY_TYPE_ID_WEP);
537 			key_param_set->key_info =
538 				cpu_to_le16(KEY_ENABLED | KEY_UNICAST |
539 					    KEY_MCAST);
540 			key_param_set->key_len =
541 				cpu_to_le16(priv->wep_key[i].key_length);
542 			/* Set WEP key index */
543 			key_param_set->key[0] = i;
544 			/* Set default Tx key flag */
545 			if (i ==
546 			    (priv->
547 			     wep_key_curr_index & HostCmd_WEP_KEY_INDEX_MASK))
548 				key_param_set->key[1] = 1;
549 			else
550 				key_param_set->key[1] = 0;
551 			memmove(&key_param_set->key[2],
552 				priv->wep_key[i].key_material,
553 				priv->wep_key[i].key_length);
554 
555 			cur_key_param_len = priv->wep_key[i].key_length +
556 				KEYPARAMSET_WEP_FIXED_LEN +
557 				sizeof(struct mwifiex_ie_types_header);
558 			*key_param_len += (u16) cur_key_param_len;
559 			key_param_set =
560 				(struct mwifiex_ie_type_key_param_set *)
561 						((u8 *)key_param_set +
562 						 cur_key_param_len);
563 		} else if (!priv->wep_key[i].key_length) {
564 			continue;
565 		} else {
566 			mwifiex_dbg(priv->adapter, ERROR,
567 				    "key%d Length = %d is incorrect\n",
568 				    (i + 1), priv->wep_key[i].key_length);
569 			return -1;
570 		}
571 	}
572 
573 	return 0;
574 }
575 
576 /* This function populates key material v2 command
577  * to set network key for AES & CMAC AES.
578  */
579 static int mwifiex_set_aes_key_v2(struct mwifiex_private *priv,
580 				  struct host_cmd_ds_command *cmd,
581 				  struct mwifiex_ds_encrypt_key *enc_key,
582 				  struct host_cmd_ds_802_11_key_material_v2 *km)
583 {
584 	struct mwifiex_adapter *adapter = priv->adapter;
585 	u16 size, len = KEY_PARAMS_FIXED_LEN;
586 
587 	if (enc_key->is_igtk_key) {
588 		mwifiex_dbg(adapter, INFO,
589 			    "%s: Set CMAC AES Key\n", __func__);
590 		if (enc_key->is_rx_seq_valid)
591 			memcpy(km->key_param_set.key_params.cmac_aes.ipn,
592 			       enc_key->pn, enc_key->pn_len);
593 		km->key_param_set.key_info &= cpu_to_le16(~KEY_MCAST);
594 		km->key_param_set.key_info |= cpu_to_le16(KEY_IGTK);
595 		km->key_param_set.key_type = KEY_TYPE_ID_AES_CMAC;
596 		km->key_param_set.key_params.cmac_aes.key_len =
597 					  cpu_to_le16(enc_key->key_len);
598 		memcpy(km->key_param_set.key_params.cmac_aes.key,
599 		       enc_key->key_material, enc_key->key_len);
600 		len += sizeof(struct mwifiex_cmac_aes_param);
601 	} else if (enc_key->is_igtk_def_key) {
602 		mwifiex_dbg(adapter, INFO,
603 			    "%s: Set CMAC default Key index\n", __func__);
604 		km->key_param_set.key_type = KEY_TYPE_ID_AES_CMAC_DEF;
605 		km->key_param_set.key_idx = enc_key->key_index & KEY_INDEX_MASK;
606 	} else {
607 		mwifiex_dbg(adapter, INFO,
608 			    "%s: Set AES Key\n", __func__);
609 		if (enc_key->is_rx_seq_valid)
610 			memcpy(km->key_param_set.key_params.aes.pn,
611 			       enc_key->pn, enc_key->pn_len);
612 		km->key_param_set.key_type = KEY_TYPE_ID_AES;
613 		km->key_param_set.key_params.aes.key_len =
614 					  cpu_to_le16(enc_key->key_len);
615 		memcpy(km->key_param_set.key_params.aes.key,
616 		       enc_key->key_material, enc_key->key_len);
617 		len += sizeof(struct mwifiex_aes_param);
618 	}
619 
620 	km->key_param_set.len = cpu_to_le16(len);
621 	size = len + sizeof(struct mwifiex_ie_types_header) +
622 	       sizeof(km->action) + S_DS_GEN;
623 	cmd->size = cpu_to_le16(size);
624 
625 	return 0;
626 }
627 
628 /* This function prepares command to set/get/reset network key(s).
629  * This function prepares key material command for V2 format.
630  * Preparation includes -
631  *      - Setting command ID, action and proper size
632  *      - Setting WEP keys, WAPI keys or WPA keys along with required
633  *        encryption (TKIP, AES) (as required)
634  *      - Ensuring correct endian-ness
635  */
636 static int
637 mwifiex_cmd_802_11_key_material_v2(struct mwifiex_private *priv,
638 				   struct host_cmd_ds_command *cmd,
639 				   u16 cmd_action, u32 cmd_oid,
640 				   struct mwifiex_ds_encrypt_key *enc_key)
641 {
642 	struct mwifiex_adapter *adapter = priv->adapter;
643 	u8 *mac = enc_key->mac_addr;
644 	u16 key_info, len = KEY_PARAMS_FIXED_LEN;
645 	struct host_cmd_ds_802_11_key_material_v2 *km =
646 						&cmd->params.key_material_v2;
647 
648 	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_KEY_MATERIAL);
649 	km->action = cpu_to_le16(cmd_action);
650 
651 	if (cmd_action == HostCmd_ACT_GEN_GET) {
652 		mwifiex_dbg(adapter, INFO, "%s: Get key\n", __func__);
653 		km->key_param_set.key_idx =
654 					enc_key->key_index & KEY_INDEX_MASK;
655 		km->key_param_set.type = cpu_to_le16(TLV_TYPE_KEY_PARAM_V2);
656 		km->key_param_set.len = cpu_to_le16(KEY_PARAMS_FIXED_LEN);
657 		memcpy(km->key_param_set.mac_addr, mac, ETH_ALEN);
658 
659 		if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
660 			key_info = KEY_UNICAST;
661 		else
662 			key_info = KEY_MCAST;
663 
664 		if (enc_key->is_igtk_key)
665 			key_info |= KEY_IGTK;
666 
667 		km->key_param_set.key_info = cpu_to_le16(key_info);
668 
669 		cmd->size = cpu_to_le16(sizeof(struct mwifiex_ie_types_header) +
670 					S_DS_GEN + KEY_PARAMS_FIXED_LEN +
671 					sizeof(km->action));
672 		return 0;
673 	}
674 
675 	memset(&km->key_param_set, 0,
676 	       sizeof(struct mwifiex_ie_type_key_param_set_v2));
677 
678 	if (enc_key->key_disable) {
679 		mwifiex_dbg(adapter, INFO, "%s: Remove key\n", __func__);
680 		km->action = cpu_to_le16(HostCmd_ACT_GEN_REMOVE);
681 		km->key_param_set.type = cpu_to_le16(TLV_TYPE_KEY_PARAM_V2);
682 		km->key_param_set.len = cpu_to_le16(KEY_PARAMS_FIXED_LEN);
683 		km->key_param_set.key_idx = enc_key->key_index & KEY_INDEX_MASK;
684 		key_info = KEY_MCAST | KEY_UNICAST;
685 		km->key_param_set.key_info = cpu_to_le16(key_info);
686 		memcpy(km->key_param_set.mac_addr, mac, ETH_ALEN);
687 		cmd->size = cpu_to_le16(sizeof(struct mwifiex_ie_types_header) +
688 					S_DS_GEN + KEY_PARAMS_FIXED_LEN +
689 					sizeof(km->action));
690 		return 0;
691 	}
692 
693 	km->action = cpu_to_le16(HostCmd_ACT_GEN_SET);
694 	km->key_param_set.key_idx = enc_key->key_index & KEY_INDEX_MASK;
695 	km->key_param_set.type = cpu_to_le16(TLV_TYPE_KEY_PARAM_V2);
696 	key_info = KEY_ENABLED;
697 	memcpy(km->key_param_set.mac_addr, mac, ETH_ALEN);
698 
699 	if (enc_key->key_len <= WLAN_KEY_LEN_WEP104) {
700 		mwifiex_dbg(adapter, INFO, "%s: Set WEP Key\n", __func__);
701 		len += sizeof(struct mwifiex_wep_param);
702 		km->key_param_set.len = cpu_to_le16(len);
703 		km->key_param_set.key_type = KEY_TYPE_ID_WEP;
704 
705 		if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
706 				key_info |= KEY_MCAST | KEY_UNICAST;
707 		} else {
708 			if (enc_key->is_current_wep_key) {
709 				key_info |= KEY_MCAST | KEY_UNICAST;
710 				if (km->key_param_set.key_idx ==
711 				    (priv->wep_key_curr_index & KEY_INDEX_MASK))
712 					key_info |= KEY_DEFAULT;
713 			} else {
714 				if (is_broadcast_ether_addr(mac))
715 					key_info |= KEY_MCAST;
716 				else
717 					key_info |= KEY_UNICAST | KEY_DEFAULT;
718 			}
719 		}
720 		km->key_param_set.key_info = cpu_to_le16(key_info);
721 
722 		km->key_param_set.key_params.wep.key_len =
723 						  cpu_to_le16(enc_key->key_len);
724 		memcpy(km->key_param_set.key_params.wep.key,
725 		       enc_key->key_material, enc_key->key_len);
726 
727 		cmd->size = cpu_to_le16(sizeof(struct mwifiex_ie_types_header) +
728 					len + sizeof(km->action) + S_DS_GEN);
729 		return 0;
730 	}
731 
732 	if (is_broadcast_ether_addr(mac))
733 		key_info |= KEY_MCAST | KEY_RX_KEY;
734 	else
735 		key_info |= KEY_UNICAST | KEY_TX_KEY | KEY_RX_KEY;
736 
737 	if (enc_key->is_wapi_key) {
738 		mwifiex_dbg(adapter, INFO, "%s: Set WAPI Key\n", __func__);
739 		km->key_param_set.key_type = KEY_TYPE_ID_WAPI;
740 		memcpy(km->key_param_set.key_params.wapi.pn, enc_key->pn,
741 		       PN_LEN);
742 		km->key_param_set.key_params.wapi.key_len =
743 						cpu_to_le16(enc_key->key_len);
744 		memcpy(km->key_param_set.key_params.wapi.key,
745 		       enc_key->key_material, enc_key->key_len);
746 		if (is_broadcast_ether_addr(mac))
747 			priv->sec_info.wapi_key_on = true;
748 
749 		if (!priv->sec_info.wapi_key_on)
750 			key_info |= KEY_DEFAULT;
751 		km->key_param_set.key_info = cpu_to_le16(key_info);
752 
753 		len += sizeof(struct mwifiex_wapi_param);
754 		km->key_param_set.len = cpu_to_le16(len);
755 		cmd->size = cpu_to_le16(sizeof(struct mwifiex_ie_types_header) +
756 					len + sizeof(km->action) + S_DS_GEN);
757 		return 0;
758 	}
759 
760 	if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
761 		key_info |= KEY_DEFAULT;
762 		/* Enable unicast bit for WPA-NONE/ADHOC_AES */
763 		if (!priv->sec_info.wpa2_enabled &&
764 		    !is_broadcast_ether_addr(mac))
765 			key_info |= KEY_UNICAST;
766 	} else {
767 		/* Enable default key for WPA/WPA2 */
768 		if (!priv->wpa_is_gtk_set)
769 			key_info |= KEY_DEFAULT;
770 	}
771 
772 	km->key_param_set.key_info = cpu_to_le16(key_info);
773 
774 	if (enc_key->key_len == WLAN_KEY_LEN_CCMP)
775 		return mwifiex_set_aes_key_v2(priv, cmd, enc_key, km);
776 
777 	if (enc_key->key_len == WLAN_KEY_LEN_TKIP) {
778 		mwifiex_dbg(adapter, INFO,
779 			    "%s: Set TKIP Key\n", __func__);
780 		if (enc_key->is_rx_seq_valid)
781 			memcpy(km->key_param_set.key_params.tkip.pn,
782 			       enc_key->pn, enc_key->pn_len);
783 		km->key_param_set.key_type = KEY_TYPE_ID_TKIP;
784 		km->key_param_set.key_params.tkip.key_len =
785 						cpu_to_le16(enc_key->key_len);
786 		memcpy(km->key_param_set.key_params.tkip.key,
787 		       enc_key->key_material, enc_key->key_len);
788 
789 		len += sizeof(struct mwifiex_tkip_param);
790 		km->key_param_set.len = cpu_to_le16(len);
791 		cmd->size = cpu_to_le16(sizeof(struct mwifiex_ie_types_header) +
792 					len + sizeof(km->action) + S_DS_GEN);
793 	}
794 
795 	return 0;
796 }
797 
798 /*
799  * This function prepares command to set/get/reset network key(s).
800  * This function prepares key material command for V1 format.
801  *
802  * Preparation includes -
803  *      - Setting command ID, action and proper size
804  *      - Setting WEP keys, WAPI keys or WPA keys along with required
805  *        encryption (TKIP, AES) (as required)
806  *      - Ensuring correct endian-ness
807  */
808 static int
809 mwifiex_cmd_802_11_key_material_v1(struct mwifiex_private *priv,
810 				   struct host_cmd_ds_command *cmd,
811 				   u16 cmd_action, u32 cmd_oid,
812 				   struct mwifiex_ds_encrypt_key *enc_key)
813 {
814 	struct host_cmd_ds_802_11_key_material *key_material =
815 		&cmd->params.key_material;
816 	struct host_cmd_tlv_mac_addr *tlv_mac;
817 	u16 key_param_len = 0, cmd_size;
818 	int ret = 0;
819 
820 	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_KEY_MATERIAL);
821 	key_material->action = cpu_to_le16(cmd_action);
822 
823 	if (cmd_action == HostCmd_ACT_GEN_GET) {
824 		cmd->size =
825 			cpu_to_le16(sizeof(key_material->action) + S_DS_GEN);
826 		return ret;
827 	}
828 
829 	if (!enc_key) {
830 		memset(&key_material->key_param_set, 0,
831 		       (NUM_WEP_KEYS *
832 			sizeof(struct mwifiex_ie_type_key_param_set)));
833 		ret = mwifiex_set_keyparamset_wep(priv,
834 						  &key_material->key_param_set,
835 						  &key_param_len);
836 		cmd->size = cpu_to_le16(key_param_len +
837 				    sizeof(key_material->action) + S_DS_GEN);
838 		return ret;
839 	} else
840 		memset(&key_material->key_param_set, 0,
841 		       sizeof(struct mwifiex_ie_type_key_param_set));
842 	if (enc_key->is_wapi_key) {
843 		mwifiex_dbg(priv->adapter, INFO, "info: Set WAPI Key\n");
844 		key_material->key_param_set.key_type_id =
845 						cpu_to_le16(KEY_TYPE_ID_WAPI);
846 		if (cmd_oid == KEY_INFO_ENABLED)
847 			key_material->key_param_set.key_info =
848 						cpu_to_le16(KEY_ENABLED);
849 		else
850 			key_material->key_param_set.key_info =
851 						cpu_to_le16(!KEY_ENABLED);
852 
853 		key_material->key_param_set.key[0] = enc_key->key_index;
854 		if (!priv->sec_info.wapi_key_on)
855 			key_material->key_param_set.key[1] = 1;
856 		else
857 			/* set 0 when re-key */
858 			key_material->key_param_set.key[1] = 0;
859 
860 		if (!is_broadcast_ether_addr(enc_key->mac_addr)) {
861 			/* WAPI pairwise key: unicast */
862 			key_material->key_param_set.key_info |=
863 				cpu_to_le16(KEY_UNICAST);
864 		} else {	/* WAPI group key: multicast */
865 			key_material->key_param_set.key_info |=
866 				cpu_to_le16(KEY_MCAST);
867 			priv->sec_info.wapi_key_on = true;
868 		}
869 
870 		key_material->key_param_set.type =
871 					cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
872 		key_material->key_param_set.key_len =
873 						cpu_to_le16(WAPI_KEY_LEN);
874 		memcpy(&key_material->key_param_set.key[2],
875 		       enc_key->key_material, enc_key->key_len);
876 		memcpy(&key_material->key_param_set.key[2 + enc_key->key_len],
877 		       enc_key->pn, PN_LEN);
878 		key_material->key_param_set.length =
879 			cpu_to_le16(WAPI_KEY_LEN + KEYPARAMSET_FIXED_LEN);
880 
881 		key_param_len = (WAPI_KEY_LEN + KEYPARAMSET_FIXED_LEN) +
882 				 sizeof(struct mwifiex_ie_types_header);
883 		cmd->size = cpu_to_le16(sizeof(key_material->action)
884 					+ S_DS_GEN +  key_param_len);
885 		return ret;
886 	}
887 	if (enc_key->key_len == WLAN_KEY_LEN_CCMP) {
888 		if (enc_key->is_igtk_key) {
889 			mwifiex_dbg(priv->adapter, CMD, "cmd: CMAC_AES\n");
890 			key_material->key_param_set.key_type_id =
891 					cpu_to_le16(KEY_TYPE_ID_AES_CMAC);
892 			if (cmd_oid == KEY_INFO_ENABLED)
893 				key_material->key_param_set.key_info =
894 						cpu_to_le16(KEY_ENABLED);
895 			else
896 				key_material->key_param_set.key_info =
897 						cpu_to_le16(!KEY_ENABLED);
898 
899 			key_material->key_param_set.key_info |=
900 							cpu_to_le16(KEY_IGTK);
901 		} else {
902 			mwifiex_dbg(priv->adapter, CMD, "cmd: WPA_AES\n");
903 			key_material->key_param_set.key_type_id =
904 						cpu_to_le16(KEY_TYPE_ID_AES);
905 			if (cmd_oid == KEY_INFO_ENABLED)
906 				key_material->key_param_set.key_info =
907 						cpu_to_le16(KEY_ENABLED);
908 			else
909 				key_material->key_param_set.key_info =
910 						cpu_to_le16(!KEY_ENABLED);
911 
912 			if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
913 				/* AES pairwise key: unicast */
914 				key_material->key_param_set.key_info |=
915 						cpu_to_le16(KEY_UNICAST);
916 			else	/* AES group key: multicast */
917 				key_material->key_param_set.key_info |=
918 							cpu_to_le16(KEY_MCAST);
919 		}
920 	} else if (enc_key->key_len == WLAN_KEY_LEN_TKIP) {
921 		mwifiex_dbg(priv->adapter, CMD, "cmd: WPA_TKIP\n");
922 		key_material->key_param_set.key_type_id =
923 						cpu_to_le16(KEY_TYPE_ID_TKIP);
924 		key_material->key_param_set.key_info =
925 						cpu_to_le16(KEY_ENABLED);
926 
927 		if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
928 				/* TKIP pairwise key: unicast */
929 			key_material->key_param_set.key_info |=
930 						cpu_to_le16(KEY_UNICAST);
931 		else		/* TKIP group key: multicast */
932 			key_material->key_param_set.key_info |=
933 							cpu_to_le16(KEY_MCAST);
934 	}
935 
936 	if (key_material->key_param_set.key_type_id) {
937 		key_material->key_param_set.type =
938 					cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
939 		key_material->key_param_set.key_len =
940 					cpu_to_le16((u16) enc_key->key_len);
941 		memcpy(key_material->key_param_set.key, enc_key->key_material,
942 		       enc_key->key_len);
943 		key_material->key_param_set.length =
944 			cpu_to_le16((u16) enc_key->key_len +
945 				    KEYPARAMSET_FIXED_LEN);
946 
947 		key_param_len = (u16)(enc_key->key_len + KEYPARAMSET_FIXED_LEN)
948 				+ sizeof(struct mwifiex_ie_types_header);
949 
950 		if (le16_to_cpu(key_material->key_param_set.key_type_id) ==
951 							KEY_TYPE_ID_AES_CMAC) {
952 			struct mwifiex_cmac_param *param =
953 					(void *)key_material->key_param_set.key;
954 
955 			memcpy(param->ipn, enc_key->pn, IGTK_PN_LEN);
956 			memcpy(param->key, enc_key->key_material,
957 			       WLAN_KEY_LEN_AES_CMAC);
958 
959 			key_param_len = sizeof(struct mwifiex_cmac_param);
960 			key_material->key_param_set.key_len =
961 						cpu_to_le16(key_param_len);
962 			key_param_len += KEYPARAMSET_FIXED_LEN;
963 			key_material->key_param_set.length =
964 						cpu_to_le16(key_param_len);
965 			key_param_len += sizeof(struct mwifiex_ie_types_header);
966 		}
967 
968 		cmd->size = cpu_to_le16(sizeof(key_material->action) + S_DS_GEN
969 					+ key_param_len);
970 
971 		if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
972 			tlv_mac = (void *)((u8 *)&key_material->key_param_set +
973 					   key_param_len);
974 			tlv_mac->header.type =
975 					cpu_to_le16(TLV_TYPE_STA_MAC_ADDR);
976 			tlv_mac->header.len = cpu_to_le16(ETH_ALEN);
977 			memcpy(tlv_mac->mac_addr, enc_key->mac_addr, ETH_ALEN);
978 			cmd_size = key_param_len + S_DS_GEN +
979 				   sizeof(key_material->action) +
980 				   sizeof(struct host_cmd_tlv_mac_addr);
981 		} else {
982 			cmd_size = key_param_len + S_DS_GEN +
983 				   sizeof(key_material->action);
984 		}
985 		cmd->size = cpu_to_le16(cmd_size);
986 	}
987 
988 	return ret;
989 }
990 
991 /* Wrapper function for setting network key depending upon FW KEY API version */
992 static int
993 mwifiex_cmd_802_11_key_material(struct mwifiex_private *priv,
994 				struct host_cmd_ds_command *cmd,
995 				u16 cmd_action, u32 cmd_oid,
996 				struct mwifiex_ds_encrypt_key *enc_key)
997 {
998 	if (priv->adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2)
999 		return mwifiex_cmd_802_11_key_material_v2(priv, cmd,
1000 							  cmd_action, cmd_oid,
1001 							  enc_key);
1002 
1003 	else
1004 		return mwifiex_cmd_802_11_key_material_v1(priv, cmd,
1005 							  cmd_action, cmd_oid,
1006 							  enc_key);
1007 }
1008 
1009 /*
1010  * This function prepares command to set/get 11d domain information.
1011  *
1012  * Preparation includes -
1013  *      - Setting command ID, action and proper size
1014  *      - Setting domain information fields (for SET only)
1015  *      - Ensuring correct endian-ness
1016  */
1017 static int mwifiex_cmd_802_11d_domain_info(struct mwifiex_private *priv,
1018 					   struct host_cmd_ds_command *cmd,
1019 					   u16 cmd_action)
1020 {
1021 	struct mwifiex_adapter *adapter = priv->adapter;
1022 	struct host_cmd_ds_802_11d_domain_info *domain_info =
1023 		&cmd->params.domain_info;
1024 	struct mwifiex_ietypes_domain_param_set *domain =
1025 		&domain_info->domain;
1026 	u8 no_of_triplet = adapter->domain_reg.no_of_triplet;
1027 
1028 	mwifiex_dbg(adapter, INFO,
1029 		    "info: 11D: no_of_triplet=0x%x\n", no_of_triplet);
1030 
1031 	cmd->command = cpu_to_le16(HostCmd_CMD_802_11D_DOMAIN_INFO);
1032 	domain_info->action = cpu_to_le16(cmd_action);
1033 	if (cmd_action == HostCmd_ACT_GEN_GET) {
1034 		cmd->size = cpu_to_le16(sizeof(domain_info->action) + S_DS_GEN);
1035 		return 0;
1036 	}
1037 
1038 	/* Set domain info fields */
1039 	domain->header.type = cpu_to_le16(WLAN_EID_COUNTRY);
1040 	memcpy(domain->country_code, adapter->domain_reg.country_code,
1041 	       sizeof(domain->country_code));
1042 
1043 	domain->header.len =
1044 		cpu_to_le16((no_of_triplet *
1045 			     sizeof(struct ieee80211_country_ie_triplet))
1046 			    + sizeof(domain->country_code));
1047 
1048 	if (no_of_triplet) {
1049 		memcpy(domain->triplet, adapter->domain_reg.triplet,
1050 		       no_of_triplet * sizeof(struct
1051 					      ieee80211_country_ie_triplet));
1052 
1053 		cmd->size = cpu_to_le16(sizeof(domain_info->action) +
1054 					le16_to_cpu(domain->header.len) +
1055 					sizeof(struct mwifiex_ie_types_header)
1056 					+ S_DS_GEN);
1057 	} else {
1058 		cmd->size = cpu_to_le16(sizeof(domain_info->action) + S_DS_GEN);
1059 	}
1060 
1061 	return 0;
1062 }
1063 
1064 /*
1065  * This function prepares command to set/get IBSS coalescing status.
1066  *
1067  * Preparation includes -
1068  *      - Setting command ID, action and proper size
1069  *      - Setting status to enable or disable (for SET only)
1070  *      - Ensuring correct endian-ness
1071  */
1072 static int mwifiex_cmd_ibss_coalescing_status(struct host_cmd_ds_command *cmd,
1073 					      u16 cmd_action, u16 *enable)
1074 {
1075 	struct host_cmd_ds_802_11_ibss_status *ibss_coal =
1076 		&(cmd->params.ibss_coalescing);
1077 
1078 	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_IBSS_COALESCING_STATUS);
1079 	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_ibss_status) +
1080 				S_DS_GEN);
1081 	cmd->result = 0;
1082 	ibss_coal->action = cpu_to_le16(cmd_action);
1083 
1084 	switch (cmd_action) {
1085 	case HostCmd_ACT_GEN_SET:
1086 		if (enable)
1087 			ibss_coal->enable = cpu_to_le16(*enable);
1088 		else
1089 			ibss_coal->enable = 0;
1090 		break;
1091 
1092 		/* In other case.. Nothing to do */
1093 	case HostCmd_ACT_GEN_GET:
1094 	default:
1095 		break;
1096 	}
1097 
1098 	return 0;
1099 }
1100 
1101 /* This function prepares command buffer to get/set memory location value.
1102  */
1103 static int
1104 mwifiex_cmd_mem_access(struct host_cmd_ds_command *cmd, u16 cmd_action,
1105 		       void *pdata_buf)
1106 {
1107 	struct mwifiex_ds_mem_rw *mem_rw = (void *)pdata_buf;
1108 	struct host_cmd_ds_mem_access *mem_access = (void *)&cmd->params.mem;
1109 
1110 	cmd->command = cpu_to_le16(HostCmd_CMD_MEM_ACCESS);
1111 	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_mem_access) +
1112 				S_DS_GEN);
1113 
1114 	mem_access->action = cpu_to_le16(cmd_action);
1115 	mem_access->addr = cpu_to_le32(mem_rw->addr);
1116 	mem_access->value = cpu_to_le32(mem_rw->value);
1117 
1118 	return 0;
1119 }
1120 
1121 /*
1122  * This function prepares command to set/get register value.
1123  *
1124  * Preparation includes -
1125  *      - Setting command ID, action and proper size
1126  *      - Setting register offset (for both GET and SET) and
1127  *        register value (for SET only)
1128  *      - Ensuring correct endian-ness
1129  *
1130  * The following type of registers can be accessed with this function -
1131  *      - MAC register
1132  *      - BBP register
1133  *      - RF register
1134  *      - PMIC register
1135  *      - CAU register
1136  *      - EEPROM
1137  */
1138 static int mwifiex_cmd_reg_access(struct host_cmd_ds_command *cmd,
1139 				  u16 cmd_action, void *data_buf)
1140 {
1141 	struct mwifiex_ds_reg_rw *reg_rw = data_buf;
1142 
1143 	switch (le16_to_cpu(cmd->command)) {
1144 	case HostCmd_CMD_MAC_REG_ACCESS:
1145 	{
1146 		struct host_cmd_ds_mac_reg_access *mac_reg;
1147 
1148 		cmd->size = cpu_to_le16(sizeof(*mac_reg) + S_DS_GEN);
1149 		mac_reg = &cmd->params.mac_reg;
1150 		mac_reg->action = cpu_to_le16(cmd_action);
1151 		mac_reg->offset = cpu_to_le16((u16) reg_rw->offset);
1152 		mac_reg->value = cpu_to_le32(reg_rw->value);
1153 		break;
1154 	}
1155 	case HostCmd_CMD_BBP_REG_ACCESS:
1156 	{
1157 		struct host_cmd_ds_bbp_reg_access *bbp_reg;
1158 
1159 		cmd->size = cpu_to_le16(sizeof(*bbp_reg) + S_DS_GEN);
1160 		bbp_reg = &cmd->params.bbp_reg;
1161 		bbp_reg->action = cpu_to_le16(cmd_action);
1162 		bbp_reg->offset = cpu_to_le16((u16) reg_rw->offset);
1163 		bbp_reg->value = (u8) reg_rw->value;
1164 		break;
1165 	}
1166 	case HostCmd_CMD_RF_REG_ACCESS:
1167 	{
1168 		struct host_cmd_ds_rf_reg_access *rf_reg;
1169 
1170 		cmd->size = cpu_to_le16(sizeof(*rf_reg) + S_DS_GEN);
1171 		rf_reg = &cmd->params.rf_reg;
1172 		rf_reg->action = cpu_to_le16(cmd_action);
1173 		rf_reg->offset = cpu_to_le16((u16) reg_rw->offset);
1174 		rf_reg->value = (u8) reg_rw->value;
1175 		break;
1176 	}
1177 	case HostCmd_CMD_PMIC_REG_ACCESS:
1178 	{
1179 		struct host_cmd_ds_pmic_reg_access *pmic_reg;
1180 
1181 		cmd->size = cpu_to_le16(sizeof(*pmic_reg) + S_DS_GEN);
1182 		pmic_reg = &cmd->params.pmic_reg;
1183 		pmic_reg->action = cpu_to_le16(cmd_action);
1184 		pmic_reg->offset = cpu_to_le16((u16) reg_rw->offset);
1185 		pmic_reg->value = (u8) reg_rw->value;
1186 		break;
1187 	}
1188 	case HostCmd_CMD_CAU_REG_ACCESS:
1189 	{
1190 		struct host_cmd_ds_rf_reg_access *cau_reg;
1191 
1192 		cmd->size = cpu_to_le16(sizeof(*cau_reg) + S_DS_GEN);
1193 		cau_reg = &cmd->params.rf_reg;
1194 		cau_reg->action = cpu_to_le16(cmd_action);
1195 		cau_reg->offset = cpu_to_le16((u16) reg_rw->offset);
1196 		cau_reg->value = (u8) reg_rw->value;
1197 		break;
1198 	}
1199 	case HostCmd_CMD_802_11_EEPROM_ACCESS:
1200 	{
1201 		struct mwifiex_ds_read_eeprom *rd_eeprom = data_buf;
1202 		struct host_cmd_ds_802_11_eeprom_access *cmd_eeprom =
1203 			&cmd->params.eeprom;
1204 
1205 		cmd->size = cpu_to_le16(sizeof(*cmd_eeprom) + S_DS_GEN);
1206 		cmd_eeprom->action = cpu_to_le16(cmd_action);
1207 		cmd_eeprom->offset = cpu_to_le16(rd_eeprom->offset);
1208 		cmd_eeprom->byte_count = cpu_to_le16(rd_eeprom->byte_count);
1209 		cmd_eeprom->value = 0;
1210 		break;
1211 	}
1212 	default:
1213 		return -1;
1214 	}
1215 
1216 	return 0;
1217 }
1218 
1219 /*
1220  * This function prepares command to set PCI-Express
1221  * host buffer configuration
1222  *
1223  * Preparation includes -
1224  *      - Setting command ID, action and proper size
1225  *      - Setting host buffer configuration
1226  *      - Ensuring correct endian-ness
1227  */
1228 static int
1229 mwifiex_cmd_pcie_host_spec(struct mwifiex_private *priv,
1230 			   struct host_cmd_ds_command *cmd, u16 action)
1231 {
1232 	struct host_cmd_ds_pcie_details *host_spec =
1233 					&cmd->params.pcie_host_spec;
1234 	struct pcie_service_card *card = priv->adapter->card;
1235 
1236 	cmd->command = cpu_to_le16(HostCmd_CMD_PCIE_DESC_DETAILS);
1237 	cmd->size = cpu_to_le16(sizeof(struct
1238 					host_cmd_ds_pcie_details) + S_DS_GEN);
1239 	cmd->result = 0;
1240 
1241 	memset(host_spec, 0, sizeof(struct host_cmd_ds_pcie_details));
1242 
1243 	if (action != HostCmd_ACT_GEN_SET)
1244 		return 0;
1245 
1246 	/* Send the ring base addresses and count to firmware */
1247 	host_spec->txbd_addr_lo = cpu_to_le32((u32)(card->txbd_ring_pbase));
1248 	host_spec->txbd_addr_hi =
1249 			cpu_to_le32((u32)(((u64)card->txbd_ring_pbase) >> 32));
1250 	host_spec->txbd_count = cpu_to_le32(MWIFIEX_MAX_TXRX_BD);
1251 	host_spec->rxbd_addr_lo = cpu_to_le32((u32)(card->rxbd_ring_pbase));
1252 	host_spec->rxbd_addr_hi =
1253 			cpu_to_le32((u32)(((u64)card->rxbd_ring_pbase) >> 32));
1254 	host_spec->rxbd_count = cpu_to_le32(MWIFIEX_MAX_TXRX_BD);
1255 	host_spec->evtbd_addr_lo = cpu_to_le32((u32)(card->evtbd_ring_pbase));
1256 	host_spec->evtbd_addr_hi =
1257 			cpu_to_le32((u32)(((u64)card->evtbd_ring_pbase) >> 32));
1258 	host_spec->evtbd_count = cpu_to_le32(MWIFIEX_MAX_EVT_BD);
1259 	if (card->sleep_cookie_vbase) {
1260 		host_spec->sleep_cookie_addr_lo =
1261 				cpu_to_le32((u32)(card->sleep_cookie_pbase));
1262 		host_spec->sleep_cookie_addr_hi = cpu_to_le32((u32)(((u64)
1263 					(card->sleep_cookie_pbase)) >> 32));
1264 		mwifiex_dbg(priv->adapter, INFO,
1265 			    "sleep_cook_lo phy addr: 0x%x\n",
1266 			    host_spec->sleep_cookie_addr_lo);
1267 	}
1268 
1269 	return 0;
1270 }
1271 
1272 /*
1273  * This function prepares command for event subscription, configuration
1274  * and query. Events can be subscribed or unsubscribed. Current subscribed
1275  * events can be queried. Also, current subscribed events are reported in
1276  * every FW response.
1277  */
1278 static int
1279 mwifiex_cmd_802_11_subsc_evt(struct mwifiex_private *priv,
1280 			     struct host_cmd_ds_command *cmd,
1281 			     struct mwifiex_ds_misc_subsc_evt *subsc_evt_cfg)
1282 {
1283 	struct host_cmd_ds_802_11_subsc_evt *subsc_evt = &cmd->params.subsc_evt;
1284 	struct mwifiex_ie_types_rssi_threshold *rssi_tlv;
1285 	u16 event_bitmap;
1286 	u8 *pos;
1287 
1288 	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_SUBSCRIBE_EVENT);
1289 	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_subsc_evt) +
1290 				S_DS_GEN);
1291 
1292 	subsc_evt->action = cpu_to_le16(subsc_evt_cfg->action);
1293 	mwifiex_dbg(priv->adapter, CMD,
1294 		    "cmd: action: %d\n", subsc_evt_cfg->action);
1295 
1296 	/*For query requests, no configuration TLV structures are to be added.*/
1297 	if (subsc_evt_cfg->action == HostCmd_ACT_GEN_GET)
1298 		return 0;
1299 
1300 	subsc_evt->events = cpu_to_le16(subsc_evt_cfg->events);
1301 
1302 	event_bitmap = subsc_evt_cfg->events;
1303 	mwifiex_dbg(priv->adapter, CMD, "cmd: event bitmap : %16x\n",
1304 		    event_bitmap);
1305 
1306 	if (((subsc_evt_cfg->action == HostCmd_ACT_BITWISE_CLR) ||
1307 	     (subsc_evt_cfg->action == HostCmd_ACT_BITWISE_SET)) &&
1308 	    (event_bitmap == 0)) {
1309 		mwifiex_dbg(priv->adapter, ERROR,
1310 			    "Error: No event specified\t"
1311 			    "for bitwise action type\n");
1312 		return -EINVAL;
1313 	}
1314 
1315 	/*
1316 	 * Append TLV structures for each of the specified events for
1317 	 * subscribing or re-configuring. This is not required for
1318 	 * bitwise unsubscribing request.
1319 	 */
1320 	if (subsc_evt_cfg->action == HostCmd_ACT_BITWISE_CLR)
1321 		return 0;
1322 
1323 	pos = ((u8 *)subsc_evt) +
1324 			sizeof(struct host_cmd_ds_802_11_subsc_evt);
1325 
1326 	if (event_bitmap & BITMASK_BCN_RSSI_LOW) {
1327 		rssi_tlv = (struct mwifiex_ie_types_rssi_threshold *) pos;
1328 
1329 		rssi_tlv->header.type = cpu_to_le16(TLV_TYPE_RSSI_LOW);
1330 		rssi_tlv->header.len =
1331 		    cpu_to_le16(sizeof(struct mwifiex_ie_types_rssi_threshold) -
1332 				sizeof(struct mwifiex_ie_types_header));
1333 		rssi_tlv->abs_value = subsc_evt_cfg->bcn_l_rssi_cfg.abs_value;
1334 		rssi_tlv->evt_freq = subsc_evt_cfg->bcn_l_rssi_cfg.evt_freq;
1335 
1336 		mwifiex_dbg(priv->adapter, EVENT,
1337 			    "Cfg Beacon Low Rssi event,\t"
1338 			    "RSSI:-%d dBm, Freq:%d\n",
1339 			    subsc_evt_cfg->bcn_l_rssi_cfg.abs_value,
1340 			    subsc_evt_cfg->bcn_l_rssi_cfg.evt_freq);
1341 
1342 		pos += sizeof(struct mwifiex_ie_types_rssi_threshold);
1343 		le16_add_cpu(&cmd->size,
1344 			     sizeof(struct mwifiex_ie_types_rssi_threshold));
1345 	}
1346 
1347 	if (event_bitmap & BITMASK_BCN_RSSI_HIGH) {
1348 		rssi_tlv = (struct mwifiex_ie_types_rssi_threshold *) pos;
1349 
1350 		rssi_tlv->header.type = cpu_to_le16(TLV_TYPE_RSSI_HIGH);
1351 		rssi_tlv->header.len =
1352 		    cpu_to_le16(sizeof(struct mwifiex_ie_types_rssi_threshold) -
1353 				sizeof(struct mwifiex_ie_types_header));
1354 		rssi_tlv->abs_value = subsc_evt_cfg->bcn_h_rssi_cfg.abs_value;
1355 		rssi_tlv->evt_freq = subsc_evt_cfg->bcn_h_rssi_cfg.evt_freq;
1356 
1357 		mwifiex_dbg(priv->adapter, EVENT,
1358 			    "Cfg Beacon High Rssi event,\t"
1359 			    "RSSI:-%d dBm, Freq:%d\n",
1360 			    subsc_evt_cfg->bcn_h_rssi_cfg.abs_value,
1361 			    subsc_evt_cfg->bcn_h_rssi_cfg.evt_freq);
1362 
1363 		pos += sizeof(struct mwifiex_ie_types_rssi_threshold);
1364 		le16_add_cpu(&cmd->size,
1365 			     sizeof(struct mwifiex_ie_types_rssi_threshold));
1366 	}
1367 
1368 	return 0;
1369 }
1370 
1371 static int
1372 mwifiex_cmd_append_rpn_expression(struct mwifiex_private *priv,
1373 				  struct mwifiex_mef_entry *mef_entry,
1374 				  u8 **buffer)
1375 {
1376 	struct mwifiex_mef_filter *filter = mef_entry->filter;
1377 	int i, byte_len;
1378 	u8 *stack_ptr = *buffer;
1379 
1380 	for (i = 0; i < MWIFIEX_MEF_MAX_FILTERS; i++) {
1381 		filter = &mef_entry->filter[i];
1382 		if (!filter->filt_type)
1383 			break;
1384 		*(__le32 *)stack_ptr = cpu_to_le32((u32)filter->repeat);
1385 		stack_ptr += 4;
1386 		*stack_ptr = TYPE_DNUM;
1387 		stack_ptr += 1;
1388 
1389 		byte_len = filter->byte_seq[MWIFIEX_MEF_MAX_BYTESEQ];
1390 		memcpy(stack_ptr, filter->byte_seq, byte_len);
1391 		stack_ptr += byte_len;
1392 		*stack_ptr = byte_len;
1393 		stack_ptr += 1;
1394 		*stack_ptr = TYPE_BYTESEQ;
1395 		stack_ptr += 1;
1396 
1397 		*(__le32 *)stack_ptr = cpu_to_le32((u32)filter->offset);
1398 		stack_ptr += 4;
1399 		*stack_ptr = TYPE_DNUM;
1400 		stack_ptr += 1;
1401 
1402 		*stack_ptr = filter->filt_type;
1403 		stack_ptr += 1;
1404 
1405 		if (filter->filt_action) {
1406 			*stack_ptr = filter->filt_action;
1407 			stack_ptr += 1;
1408 		}
1409 
1410 		if (stack_ptr - *buffer > STACK_NBYTES)
1411 			return -1;
1412 	}
1413 
1414 	*buffer = stack_ptr;
1415 	return 0;
1416 }
1417 
1418 static int
1419 mwifiex_cmd_mef_cfg(struct mwifiex_private *priv,
1420 		    struct host_cmd_ds_command *cmd,
1421 		    struct mwifiex_ds_mef_cfg *mef)
1422 {
1423 	struct host_cmd_ds_mef_cfg *mef_cfg = &cmd->params.mef_cfg;
1424 	struct mwifiex_fw_mef_entry *mef_entry = NULL;
1425 	u8 *pos = (u8 *)mef_cfg;
1426 	u16 i;
1427 
1428 	cmd->command = cpu_to_le16(HostCmd_CMD_MEF_CFG);
1429 
1430 	mef_cfg->criteria = cpu_to_le32(mef->criteria);
1431 	mef_cfg->num_entries = cpu_to_le16(mef->num_entries);
1432 	pos += sizeof(*mef_cfg);
1433 
1434 	for (i = 0; i < mef->num_entries; i++) {
1435 		mef_entry = (struct mwifiex_fw_mef_entry *)pos;
1436 		mef_entry->mode = mef->mef_entry[i].mode;
1437 		mef_entry->action = mef->mef_entry[i].action;
1438 		pos += sizeof(*mef_cfg->mef_entry);
1439 
1440 		if (mwifiex_cmd_append_rpn_expression(priv,
1441 						      &mef->mef_entry[i], &pos))
1442 			return -1;
1443 
1444 		mef_entry->exprsize =
1445 			cpu_to_le16(pos - mef_entry->expr);
1446 	}
1447 	cmd->size = cpu_to_le16((u16) (pos - (u8 *)mef_cfg) + S_DS_GEN);
1448 
1449 	return 0;
1450 }
1451 
1452 /* This function parse cal data from ASCII to hex */
1453 static u32 mwifiex_parse_cal_cfg(u8 *src, size_t len, u8 *dst)
1454 {
1455 	u8 *s = src, *d = dst;
1456 
1457 	while (s - src < len) {
1458 		if (*s && (isspace(*s) || *s == '\t')) {
1459 			s++;
1460 			continue;
1461 		}
1462 		if (isxdigit(*s)) {
1463 			*d++ = simple_strtol(s, NULL, 16);
1464 			s += 2;
1465 		} else {
1466 			s++;
1467 		}
1468 	}
1469 
1470 	return d - dst;
1471 }
1472 
1473 int mwifiex_dnld_dt_cfgdata(struct mwifiex_private *priv,
1474 			    struct device_node *node, const char *prefix)
1475 {
1476 #ifdef CONFIG_OF
1477 	struct property *prop;
1478 	size_t len = strlen(prefix);
1479 	int ret;
1480 
1481 	/* look for all matching property names */
1482 	for_each_property_of_node(node, prop) {
1483 		if (len > strlen(prop->name) ||
1484 		    strncmp(prop->name, prefix, len))
1485 			continue;
1486 
1487 		/* property header is 6 bytes, data must fit in cmd buffer */
1488 		if (prop->value && prop->length > 6 &&
1489 		    prop->length <= MWIFIEX_SIZE_OF_CMD_BUFFER - S_DS_GEN) {
1490 			ret = mwifiex_send_cmd(priv, HostCmd_CMD_CFG_DATA,
1491 					       HostCmd_ACT_GEN_SET, 0,
1492 					       prop, true);
1493 			if (ret)
1494 				return ret;
1495 		}
1496 	}
1497 #endif
1498 	return 0;
1499 }
1500 
1501 /* This function prepares command of set_cfg_data. */
1502 static int mwifiex_cmd_cfg_data(struct mwifiex_private *priv,
1503 				struct host_cmd_ds_command *cmd, void *data_buf)
1504 {
1505 	struct mwifiex_adapter *adapter = priv->adapter;
1506 	struct property *prop = data_buf;
1507 	u32 len;
1508 	u8 *data = (u8 *)cmd + S_DS_GEN;
1509 	int ret;
1510 
1511 	if (prop) {
1512 		len = prop->length;
1513 		ret = of_property_read_u8_array(adapter->dt_node, prop->name,
1514 						data, len);
1515 		if (ret)
1516 			return ret;
1517 		mwifiex_dbg(adapter, INFO,
1518 			    "download cfg_data from device tree: %s\n",
1519 			    prop->name);
1520 	} else if (adapter->cal_data->data && adapter->cal_data->size > 0) {
1521 		len = mwifiex_parse_cal_cfg((u8 *)adapter->cal_data->data,
1522 					    adapter->cal_data->size, data);
1523 		mwifiex_dbg(adapter, INFO,
1524 			    "download cfg_data from config file\n");
1525 	} else {
1526 		return -1;
1527 	}
1528 
1529 	cmd->command = cpu_to_le16(HostCmd_CMD_CFG_DATA);
1530 	cmd->size = cpu_to_le16(S_DS_GEN + len);
1531 
1532 	return 0;
1533 }
1534 
1535 static int
1536 mwifiex_cmd_set_mc_policy(struct mwifiex_private *priv,
1537 			  struct host_cmd_ds_command *cmd,
1538 			  u16 cmd_action, void *data_buf)
1539 {
1540 	struct host_cmd_ds_multi_chan_policy *mc_pol = &cmd->params.mc_policy;
1541 	const u16 *drcs_info = data_buf;
1542 
1543 	mc_pol->action = cpu_to_le16(cmd_action);
1544 	mc_pol->policy = cpu_to_le16(*drcs_info);
1545 	cmd->command = cpu_to_le16(HostCmd_CMD_MC_POLICY);
1546 	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_multi_chan_policy) +
1547 				S_DS_GEN);
1548 	return 0;
1549 }
1550 
1551 static int mwifiex_cmd_robust_coex(struct mwifiex_private *priv,
1552 				   struct host_cmd_ds_command *cmd,
1553 				   u16 cmd_action, bool *is_timeshare)
1554 {
1555 	struct host_cmd_ds_robust_coex *coex = &cmd->params.coex;
1556 	struct mwifiex_ie_types_robust_coex *coex_tlv;
1557 
1558 	cmd->command = cpu_to_le16(HostCmd_CMD_ROBUST_COEX);
1559 	cmd->size = cpu_to_le16(sizeof(*coex) + sizeof(*coex_tlv) + S_DS_GEN);
1560 
1561 	coex->action = cpu_to_le16(cmd_action);
1562 	coex_tlv = (struct mwifiex_ie_types_robust_coex *)
1563 				((u8 *)coex + sizeof(*coex));
1564 	coex_tlv->header.type = cpu_to_le16(TLV_TYPE_ROBUST_COEX);
1565 	coex_tlv->header.len = cpu_to_le16(sizeof(coex_tlv->mode));
1566 
1567 	if (coex->action == HostCmd_ACT_GEN_GET)
1568 		return 0;
1569 
1570 	if (*is_timeshare)
1571 		coex_tlv->mode = cpu_to_le32(MWIFIEX_COEX_MODE_TIMESHARE);
1572 	else
1573 		coex_tlv->mode = cpu_to_le32(MWIFIEX_COEX_MODE_SPATIAL);
1574 
1575 	return 0;
1576 }
1577 
1578 static int mwifiex_cmd_gtk_rekey_offload(struct mwifiex_private *priv,
1579 					 struct host_cmd_ds_command *cmd,
1580 					 u16 cmd_action,
1581 					 struct cfg80211_gtk_rekey_data *data)
1582 {
1583 	struct host_cmd_ds_gtk_rekey_params *rekey = &cmd->params.rekey;
1584 	u64 rekey_ctr;
1585 
1586 	cmd->command = cpu_to_le16(HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG);
1587 	cmd->size = cpu_to_le16(sizeof(*rekey) + S_DS_GEN);
1588 
1589 	rekey->action = cpu_to_le16(cmd_action);
1590 	if (cmd_action == HostCmd_ACT_GEN_SET) {
1591 		memcpy(rekey->kek, data->kek, NL80211_KEK_LEN);
1592 		memcpy(rekey->kck, data->kck, NL80211_KCK_LEN);
1593 		rekey_ctr = be64_to_cpup((__be64 *)data->replay_ctr);
1594 		rekey->replay_ctr_low = cpu_to_le32((u32)rekey_ctr);
1595 		rekey->replay_ctr_high =
1596 			cpu_to_le32((u32)((u64)rekey_ctr >> 32));
1597 	}
1598 
1599 	return 0;
1600 }
1601 
1602 static int mwifiex_cmd_chan_region_cfg(struct mwifiex_private *priv,
1603 				       struct host_cmd_ds_command *cmd,
1604 				       u16 cmd_action)
1605 {
1606 	struct host_cmd_ds_chan_region_cfg *reg = &cmd->params.reg_cfg;
1607 
1608 	cmd->command = cpu_to_le16(HostCmd_CMD_CHAN_REGION_CFG);
1609 	cmd->size = cpu_to_le16(sizeof(*reg) + S_DS_GEN);
1610 
1611 	if (cmd_action == HostCmd_ACT_GEN_GET)
1612 		reg->action = cpu_to_le16(cmd_action);
1613 
1614 	return 0;
1615 }
1616 
1617 static int
1618 mwifiex_cmd_coalesce_cfg(struct mwifiex_private *priv,
1619 			 struct host_cmd_ds_command *cmd,
1620 			 u16 cmd_action, void *data_buf)
1621 {
1622 	struct host_cmd_ds_coalesce_cfg *coalesce_cfg =
1623 						&cmd->params.coalesce_cfg;
1624 	struct mwifiex_ds_coalesce_cfg *cfg = data_buf;
1625 	struct coalesce_filt_field_param *param;
1626 	u16 cnt, idx, length;
1627 	struct coalesce_receive_filt_rule *rule;
1628 
1629 	cmd->command = cpu_to_le16(HostCmd_CMD_COALESCE_CFG);
1630 	cmd->size = cpu_to_le16(S_DS_GEN);
1631 
1632 	coalesce_cfg->action = cpu_to_le16(cmd_action);
1633 	coalesce_cfg->num_of_rules = cpu_to_le16(cfg->num_of_rules);
1634 	rule = coalesce_cfg->rule;
1635 
1636 	for (cnt = 0; cnt < cfg->num_of_rules; cnt++) {
1637 		rule->header.type = cpu_to_le16(TLV_TYPE_COALESCE_RULE);
1638 		rule->max_coalescing_delay =
1639 			cpu_to_le16(cfg->rule[cnt].max_coalescing_delay);
1640 		rule->pkt_type = cfg->rule[cnt].pkt_type;
1641 		rule->num_of_fields = cfg->rule[cnt].num_of_fields;
1642 
1643 		length = 0;
1644 
1645 		param = rule->params;
1646 		for (idx = 0; idx < cfg->rule[cnt].num_of_fields; idx++) {
1647 			param->operation = cfg->rule[cnt].params[idx].operation;
1648 			param->operand_len =
1649 					cfg->rule[cnt].params[idx].operand_len;
1650 			param->offset =
1651 				cpu_to_le16(cfg->rule[cnt].params[idx].offset);
1652 			memcpy(param->operand_byte_stream,
1653 			       cfg->rule[cnt].params[idx].operand_byte_stream,
1654 			       param->operand_len);
1655 
1656 			length += sizeof(struct coalesce_filt_field_param);
1657 
1658 			param++;
1659 		}
1660 
1661 		/* Total rule length is sizeof max_coalescing_delay(u16),
1662 		 * num_of_fields(u8), pkt_type(u8) and total length of the all
1663 		 * params
1664 		 */
1665 		rule->header.len = cpu_to_le16(length + sizeof(u16) +
1666 					       sizeof(u8) + sizeof(u8));
1667 
1668 		/* Add the rule length to the command size*/
1669 		le16_add_cpu(&cmd->size, le16_to_cpu(rule->header.len) +
1670 			     sizeof(struct mwifiex_ie_types_header));
1671 
1672 		rule = (void *)((u8 *)rule->params + length);
1673 	}
1674 
1675 	/* Add sizeof action, num_of_rules to total command length */
1676 	le16_add_cpu(&cmd->size, sizeof(u16) + sizeof(u16));
1677 
1678 	return 0;
1679 }
1680 
1681 static int
1682 mwifiex_cmd_tdls_config(struct mwifiex_private *priv,
1683 			struct host_cmd_ds_command *cmd,
1684 			u16 cmd_action, void *data_buf)
1685 {
1686 	struct host_cmd_ds_tdls_config *tdls_config = &cmd->params.tdls_config;
1687 	struct mwifiex_tdls_init_cs_params *config;
1688 	struct mwifiex_tdls_config *init_config;
1689 	u16 len;
1690 
1691 	cmd->command = cpu_to_le16(HostCmd_CMD_TDLS_CONFIG);
1692 	cmd->size = cpu_to_le16(S_DS_GEN);
1693 	tdls_config->tdls_action = cpu_to_le16(cmd_action);
1694 	le16_add_cpu(&cmd->size, sizeof(tdls_config->tdls_action));
1695 
1696 	switch (cmd_action) {
1697 	case ACT_TDLS_CS_ENABLE_CONFIG:
1698 		init_config = data_buf;
1699 		len = sizeof(*init_config);
1700 		memcpy(tdls_config->tdls_data, init_config, len);
1701 		break;
1702 	case ACT_TDLS_CS_INIT:
1703 		config = data_buf;
1704 		len = sizeof(*config);
1705 		memcpy(tdls_config->tdls_data, config, len);
1706 		break;
1707 	case ACT_TDLS_CS_STOP:
1708 		len = sizeof(struct mwifiex_tdls_stop_cs_params);
1709 		memcpy(tdls_config->tdls_data, data_buf, len);
1710 		break;
1711 	case ACT_TDLS_CS_PARAMS:
1712 		len = sizeof(struct mwifiex_tdls_config_cs_params);
1713 		memcpy(tdls_config->tdls_data, data_buf, len);
1714 		break;
1715 	default:
1716 		mwifiex_dbg(priv->adapter, ERROR,
1717 			    "Unknown TDLS configuration\n");
1718 		return -ENOTSUPP;
1719 	}
1720 
1721 	le16_add_cpu(&cmd->size, len);
1722 	return 0;
1723 }
1724 
1725 static int
1726 mwifiex_cmd_tdls_oper(struct mwifiex_private *priv,
1727 		      struct host_cmd_ds_command *cmd,
1728 		      void *data_buf)
1729 {
1730 	struct host_cmd_ds_tdls_oper *tdls_oper = &cmd->params.tdls_oper;
1731 	struct mwifiex_ds_tdls_oper *oper = data_buf;
1732 	struct mwifiex_sta_node *sta_ptr;
1733 	struct host_cmd_tlv_rates *tlv_rates;
1734 	struct mwifiex_ie_types_htcap *ht_capab;
1735 	struct mwifiex_ie_types_qos_info *wmm_qos_info;
1736 	struct mwifiex_ie_types_extcap *extcap;
1737 	struct mwifiex_ie_types_vhtcap *vht_capab;
1738 	struct mwifiex_ie_types_aid *aid;
1739 	struct mwifiex_ie_types_tdls_idle_timeout *timeout;
1740 	u8 *pos, qos_info;
1741 	u16 config_len = 0;
1742 	struct station_parameters *params = priv->sta_params;
1743 
1744 	cmd->command = cpu_to_le16(HostCmd_CMD_TDLS_OPER);
1745 	cmd->size = cpu_to_le16(S_DS_GEN);
1746 	le16_add_cpu(&cmd->size, sizeof(struct host_cmd_ds_tdls_oper));
1747 
1748 	tdls_oper->reason = 0;
1749 	memcpy(tdls_oper->peer_mac, oper->peer_mac, ETH_ALEN);
1750 	sta_ptr = mwifiex_get_sta_entry(priv, oper->peer_mac);
1751 
1752 	pos = (u8 *)tdls_oper + sizeof(struct host_cmd_ds_tdls_oper);
1753 
1754 	switch (oper->tdls_action) {
1755 	case MWIFIEX_TDLS_DISABLE_LINK:
1756 		tdls_oper->tdls_action = cpu_to_le16(ACT_TDLS_DELETE);
1757 		break;
1758 	case MWIFIEX_TDLS_CREATE_LINK:
1759 		tdls_oper->tdls_action = cpu_to_le16(ACT_TDLS_CREATE);
1760 		break;
1761 	case MWIFIEX_TDLS_CONFIG_LINK:
1762 		tdls_oper->tdls_action = cpu_to_le16(ACT_TDLS_CONFIG);
1763 
1764 		if (!params) {
1765 			mwifiex_dbg(priv->adapter, ERROR,
1766 				    "TDLS config params not available for %pM\n",
1767 				    oper->peer_mac);
1768 			return -ENODATA;
1769 		}
1770 
1771 		*(__le16 *)pos = cpu_to_le16(params->capability);
1772 		config_len += sizeof(params->capability);
1773 
1774 		qos_info = params->uapsd_queues | (params->max_sp << 5);
1775 		wmm_qos_info = (struct mwifiex_ie_types_qos_info *)(pos +
1776 								    config_len);
1777 		wmm_qos_info->header.type = cpu_to_le16(WLAN_EID_QOS_CAPA);
1778 		wmm_qos_info->header.len = cpu_to_le16(sizeof(qos_info));
1779 		wmm_qos_info->qos_info = qos_info;
1780 		config_len += sizeof(struct mwifiex_ie_types_qos_info);
1781 
1782 		if (params->ht_capa) {
1783 			ht_capab = (struct mwifiex_ie_types_htcap *)(pos +
1784 								    config_len);
1785 			ht_capab->header.type =
1786 					    cpu_to_le16(WLAN_EID_HT_CAPABILITY);
1787 			ht_capab->header.len =
1788 				   cpu_to_le16(sizeof(struct ieee80211_ht_cap));
1789 			memcpy(&ht_capab->ht_cap, params->ht_capa,
1790 			       sizeof(struct ieee80211_ht_cap));
1791 			config_len += sizeof(struct mwifiex_ie_types_htcap);
1792 		}
1793 
1794 		if (params->supported_rates && params->supported_rates_len) {
1795 			tlv_rates = (struct host_cmd_tlv_rates *)(pos +
1796 								  config_len);
1797 			tlv_rates->header.type =
1798 					       cpu_to_le16(WLAN_EID_SUPP_RATES);
1799 			tlv_rates->header.len =
1800 				       cpu_to_le16(params->supported_rates_len);
1801 			memcpy(tlv_rates->rates, params->supported_rates,
1802 			       params->supported_rates_len);
1803 			config_len += sizeof(struct host_cmd_tlv_rates) +
1804 				      params->supported_rates_len;
1805 		}
1806 
1807 		if (params->ext_capab && params->ext_capab_len) {
1808 			extcap = (struct mwifiex_ie_types_extcap *)(pos +
1809 								    config_len);
1810 			extcap->header.type =
1811 					   cpu_to_le16(WLAN_EID_EXT_CAPABILITY);
1812 			extcap->header.len = cpu_to_le16(params->ext_capab_len);
1813 			memcpy(extcap->ext_capab, params->ext_capab,
1814 			       params->ext_capab_len);
1815 			config_len += sizeof(struct mwifiex_ie_types_extcap) +
1816 				      params->ext_capab_len;
1817 		}
1818 		if (params->vht_capa) {
1819 			vht_capab = (struct mwifiex_ie_types_vhtcap *)(pos +
1820 								    config_len);
1821 			vht_capab->header.type =
1822 					   cpu_to_le16(WLAN_EID_VHT_CAPABILITY);
1823 			vht_capab->header.len =
1824 				  cpu_to_le16(sizeof(struct ieee80211_vht_cap));
1825 			memcpy(&vht_capab->vht_cap, params->vht_capa,
1826 			       sizeof(struct ieee80211_vht_cap));
1827 			config_len += sizeof(struct mwifiex_ie_types_vhtcap);
1828 		}
1829 		if (params->aid) {
1830 			aid = (struct mwifiex_ie_types_aid *)(pos + config_len);
1831 			aid->header.type = cpu_to_le16(WLAN_EID_AID);
1832 			aid->header.len = cpu_to_le16(sizeof(params->aid));
1833 			aid->aid = cpu_to_le16(params->aid);
1834 			config_len += sizeof(struct mwifiex_ie_types_aid);
1835 		}
1836 
1837 		timeout = (void *)(pos + config_len);
1838 		timeout->header.type = cpu_to_le16(TLV_TYPE_TDLS_IDLE_TIMEOUT);
1839 		timeout->header.len = cpu_to_le16(sizeof(timeout->value));
1840 		timeout->value = cpu_to_le16(MWIFIEX_TDLS_IDLE_TIMEOUT_IN_SEC);
1841 		config_len += sizeof(struct mwifiex_ie_types_tdls_idle_timeout);
1842 
1843 		break;
1844 	default:
1845 		mwifiex_dbg(priv->adapter, ERROR, "Unknown TDLS operation\n");
1846 		return -ENOTSUPP;
1847 	}
1848 
1849 	le16_add_cpu(&cmd->size, config_len);
1850 
1851 	return 0;
1852 }
1853 
1854 /* This function prepares command of sdio rx aggr info. */
1855 static int mwifiex_cmd_sdio_rx_aggr_cfg(struct host_cmd_ds_command *cmd,
1856 					u16 cmd_action, void *data_buf)
1857 {
1858 	struct host_cmd_sdio_sp_rx_aggr_cfg *cfg =
1859 					&cmd->params.sdio_rx_aggr_cfg;
1860 
1861 	cmd->command = cpu_to_le16(HostCmd_CMD_SDIO_SP_RX_AGGR_CFG);
1862 	cmd->size =
1863 		cpu_to_le16(sizeof(struct host_cmd_sdio_sp_rx_aggr_cfg) +
1864 			    S_DS_GEN);
1865 	cfg->action = cmd_action;
1866 	if (cmd_action == HostCmd_ACT_GEN_SET)
1867 		cfg->enable = *(u8 *)data_buf;
1868 
1869 	return 0;
1870 }
1871 
1872 /* This function prepares command to get HS wakeup reason.
1873  *
1874  * Preparation includes -
1875  *      - Setting command ID, action and proper size
1876  *      - Ensuring correct endian-ness
1877  */
1878 static int mwifiex_cmd_get_wakeup_reason(struct mwifiex_private *priv,
1879 					 struct host_cmd_ds_command *cmd)
1880 {
1881 	cmd->command = cpu_to_le16(HostCmd_CMD_HS_WAKEUP_REASON);
1882 	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_wakeup_reason) +
1883 				S_DS_GEN);
1884 
1885 	return 0;
1886 }
1887 
1888 /*
1889  * This function prepares the commands before sending them to the firmware.
1890  *
1891  * This is a generic function which calls specific command preparation
1892  * routines based upon the command number.
1893  */
1894 int mwifiex_sta_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
1895 			    u16 cmd_action, u32 cmd_oid,
1896 			    void *data_buf, void *cmd_buf)
1897 {
1898 	struct host_cmd_ds_command *cmd_ptr = cmd_buf;
1899 	int ret = 0;
1900 
1901 	/* Prepare command */
1902 	switch (cmd_no) {
1903 	case HostCmd_CMD_GET_HW_SPEC:
1904 		ret = mwifiex_cmd_get_hw_spec(priv, cmd_ptr);
1905 		break;
1906 	case HostCmd_CMD_CFG_DATA:
1907 		ret = mwifiex_cmd_cfg_data(priv, cmd_ptr, data_buf);
1908 		break;
1909 	case HostCmd_CMD_MAC_CONTROL:
1910 		ret = mwifiex_cmd_mac_control(priv, cmd_ptr, cmd_action,
1911 					      data_buf);
1912 		break;
1913 	case HostCmd_CMD_802_11_MAC_ADDRESS:
1914 		ret = mwifiex_cmd_802_11_mac_address(priv, cmd_ptr,
1915 						     cmd_action);
1916 		break;
1917 	case HostCmd_CMD_MAC_MULTICAST_ADR:
1918 		ret = mwifiex_cmd_mac_multicast_adr(cmd_ptr, cmd_action,
1919 						    data_buf);
1920 		break;
1921 	case HostCmd_CMD_TX_RATE_CFG:
1922 		ret = mwifiex_cmd_tx_rate_cfg(priv, cmd_ptr, cmd_action,
1923 					      data_buf);
1924 		break;
1925 	case HostCmd_CMD_TXPWR_CFG:
1926 		ret = mwifiex_cmd_tx_power_cfg(cmd_ptr, cmd_action,
1927 					       data_buf);
1928 		break;
1929 	case HostCmd_CMD_RF_TX_PWR:
1930 		ret = mwifiex_cmd_rf_tx_power(priv, cmd_ptr, cmd_action,
1931 					      data_buf);
1932 		break;
1933 	case HostCmd_CMD_RF_ANTENNA:
1934 		ret = mwifiex_cmd_rf_antenna(priv, cmd_ptr, cmd_action,
1935 					     data_buf);
1936 		break;
1937 	case HostCmd_CMD_802_11_PS_MODE_ENH:
1938 		ret = mwifiex_cmd_enh_power_mode(priv, cmd_ptr, cmd_action,
1939 						 (uint16_t)cmd_oid, data_buf);
1940 		break;
1941 	case HostCmd_CMD_802_11_HS_CFG_ENH:
1942 		ret = mwifiex_cmd_802_11_hs_cfg(priv, cmd_ptr, cmd_action,
1943 				(struct mwifiex_hs_config_param *) data_buf);
1944 		break;
1945 	case HostCmd_CMD_802_11_SCAN:
1946 		ret = mwifiex_cmd_802_11_scan(cmd_ptr, data_buf);
1947 		break;
1948 	case HostCmd_CMD_802_11_BG_SCAN_CONFIG:
1949 		ret = mwifiex_cmd_802_11_bg_scan_config(priv, cmd_ptr,
1950 							data_buf);
1951 		break;
1952 	case HostCmd_CMD_802_11_BG_SCAN_QUERY:
1953 		ret = mwifiex_cmd_802_11_bg_scan_query(cmd_ptr);
1954 		break;
1955 	case HostCmd_CMD_802_11_ASSOCIATE:
1956 		ret = mwifiex_cmd_802_11_associate(priv, cmd_ptr, data_buf);
1957 		break;
1958 	case HostCmd_CMD_802_11_DEAUTHENTICATE:
1959 		ret = mwifiex_cmd_802_11_deauthenticate(priv, cmd_ptr,
1960 							data_buf);
1961 		break;
1962 	case HostCmd_CMD_802_11_AD_HOC_START:
1963 		ret = mwifiex_cmd_802_11_ad_hoc_start(priv, cmd_ptr,
1964 						      data_buf);
1965 		break;
1966 	case HostCmd_CMD_802_11_GET_LOG:
1967 		ret = mwifiex_cmd_802_11_get_log(cmd_ptr);
1968 		break;
1969 	case HostCmd_CMD_802_11_AD_HOC_JOIN:
1970 		ret = mwifiex_cmd_802_11_ad_hoc_join(priv, cmd_ptr,
1971 						     data_buf);
1972 		break;
1973 	case HostCmd_CMD_802_11_AD_HOC_STOP:
1974 		ret = mwifiex_cmd_802_11_ad_hoc_stop(cmd_ptr);
1975 		break;
1976 	case HostCmd_CMD_RSSI_INFO:
1977 		ret = mwifiex_cmd_802_11_rssi_info(priv, cmd_ptr, cmd_action);
1978 		break;
1979 	case HostCmd_CMD_802_11_SNMP_MIB:
1980 		ret = mwifiex_cmd_802_11_snmp_mib(priv, cmd_ptr, cmd_action,
1981 						  cmd_oid, data_buf);
1982 		break;
1983 	case HostCmd_CMD_802_11_TX_RATE_QUERY:
1984 		cmd_ptr->command =
1985 			cpu_to_le16(HostCmd_CMD_802_11_TX_RATE_QUERY);
1986 		cmd_ptr->size =
1987 			cpu_to_le16(sizeof(struct host_cmd_ds_tx_rate_query) +
1988 				    S_DS_GEN);
1989 		priv->tx_rate = 0;
1990 		ret = 0;
1991 		break;
1992 	case HostCmd_CMD_VERSION_EXT:
1993 		cmd_ptr->command = cpu_to_le16(cmd_no);
1994 		cmd_ptr->params.verext.version_str_sel =
1995 			(u8) (*((u32 *) data_buf));
1996 		memcpy(&cmd_ptr->params, data_buf,
1997 		       sizeof(struct host_cmd_ds_version_ext));
1998 		cmd_ptr->size =
1999 			cpu_to_le16(sizeof(struct host_cmd_ds_version_ext) +
2000 				    S_DS_GEN);
2001 		ret = 0;
2002 		break;
2003 	case HostCmd_CMD_MGMT_FRAME_REG:
2004 		cmd_ptr->command = cpu_to_le16(cmd_no);
2005 		cmd_ptr->params.reg_mask.action = cpu_to_le16(cmd_action);
2006 		cmd_ptr->params.reg_mask.mask = cpu_to_le32(*(u32 *)data_buf);
2007 		cmd_ptr->size =
2008 			cpu_to_le16(sizeof(struct host_cmd_ds_mgmt_frame_reg) +
2009 				    S_DS_GEN);
2010 		ret = 0;
2011 		break;
2012 	case HostCmd_CMD_REMAIN_ON_CHAN:
2013 		cmd_ptr->command = cpu_to_le16(cmd_no);
2014 		memcpy(&cmd_ptr->params, data_buf,
2015 		       sizeof(struct host_cmd_ds_remain_on_chan));
2016 		cmd_ptr->size =
2017 		      cpu_to_le16(sizeof(struct host_cmd_ds_remain_on_chan) +
2018 				  S_DS_GEN);
2019 		break;
2020 	case HostCmd_CMD_11AC_CFG:
2021 		ret = mwifiex_cmd_11ac_cfg(priv, cmd_ptr, cmd_action, data_buf);
2022 		break;
2023 	case HostCmd_CMD_P2P_MODE_CFG:
2024 		cmd_ptr->command = cpu_to_le16(cmd_no);
2025 		cmd_ptr->params.mode_cfg.action = cpu_to_le16(cmd_action);
2026 		cmd_ptr->params.mode_cfg.mode = cpu_to_le16(*(u16 *)data_buf);
2027 		cmd_ptr->size =
2028 			cpu_to_le16(sizeof(struct host_cmd_ds_p2p_mode_cfg) +
2029 				    S_DS_GEN);
2030 		break;
2031 	case HostCmd_CMD_FUNC_INIT:
2032 		if (priv->adapter->hw_status == MWIFIEX_HW_STATUS_RESET)
2033 			priv->adapter->hw_status = MWIFIEX_HW_STATUS_READY;
2034 		cmd_ptr->command = cpu_to_le16(cmd_no);
2035 		cmd_ptr->size = cpu_to_le16(S_DS_GEN);
2036 		break;
2037 	case HostCmd_CMD_FUNC_SHUTDOWN:
2038 		priv->adapter->hw_status = MWIFIEX_HW_STATUS_RESET;
2039 		cmd_ptr->command = cpu_to_le16(cmd_no);
2040 		cmd_ptr->size = cpu_to_le16(S_DS_GEN);
2041 		break;
2042 	case HostCmd_CMD_11N_ADDBA_REQ:
2043 		ret = mwifiex_cmd_11n_addba_req(cmd_ptr, data_buf);
2044 		break;
2045 	case HostCmd_CMD_11N_DELBA:
2046 		ret = mwifiex_cmd_11n_delba(cmd_ptr, data_buf);
2047 		break;
2048 	case HostCmd_CMD_11N_ADDBA_RSP:
2049 		ret = mwifiex_cmd_11n_addba_rsp_gen(priv, cmd_ptr, data_buf);
2050 		break;
2051 	case HostCmd_CMD_802_11_KEY_MATERIAL:
2052 		ret = mwifiex_cmd_802_11_key_material(priv, cmd_ptr,
2053 						      cmd_action, cmd_oid,
2054 						      data_buf);
2055 		break;
2056 	case HostCmd_CMD_802_11D_DOMAIN_INFO:
2057 		ret = mwifiex_cmd_802_11d_domain_info(priv, cmd_ptr,
2058 						      cmd_action);
2059 		break;
2060 	case HostCmd_CMD_RECONFIGURE_TX_BUFF:
2061 		ret = mwifiex_cmd_recfg_tx_buf(priv, cmd_ptr, cmd_action,
2062 					       data_buf);
2063 		break;
2064 	case HostCmd_CMD_AMSDU_AGGR_CTRL:
2065 		ret = mwifiex_cmd_amsdu_aggr_ctrl(cmd_ptr, cmd_action,
2066 						  data_buf);
2067 		break;
2068 	case HostCmd_CMD_11N_CFG:
2069 		ret = mwifiex_cmd_11n_cfg(priv, cmd_ptr, cmd_action, data_buf);
2070 		break;
2071 	case HostCmd_CMD_WMM_GET_STATUS:
2072 		mwifiex_dbg(priv->adapter, CMD,
2073 			    "cmd: WMM: WMM_GET_STATUS cmd sent\n");
2074 		cmd_ptr->command = cpu_to_le16(HostCmd_CMD_WMM_GET_STATUS);
2075 		cmd_ptr->size =
2076 			cpu_to_le16(sizeof(struct host_cmd_ds_wmm_get_status) +
2077 				    S_DS_GEN);
2078 		ret = 0;
2079 		break;
2080 	case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
2081 		ret = mwifiex_cmd_ibss_coalescing_status(cmd_ptr, cmd_action,
2082 							 data_buf);
2083 		break;
2084 	case HostCmd_CMD_802_11_SCAN_EXT:
2085 		ret = mwifiex_cmd_802_11_scan_ext(priv, cmd_ptr, data_buf);
2086 		break;
2087 	case HostCmd_CMD_MEM_ACCESS:
2088 		ret = mwifiex_cmd_mem_access(cmd_ptr, cmd_action, data_buf);
2089 		break;
2090 	case HostCmd_CMD_MAC_REG_ACCESS:
2091 	case HostCmd_CMD_BBP_REG_ACCESS:
2092 	case HostCmd_CMD_RF_REG_ACCESS:
2093 	case HostCmd_CMD_PMIC_REG_ACCESS:
2094 	case HostCmd_CMD_CAU_REG_ACCESS:
2095 	case HostCmd_CMD_802_11_EEPROM_ACCESS:
2096 		ret = mwifiex_cmd_reg_access(cmd_ptr, cmd_action, data_buf);
2097 		break;
2098 	case HostCmd_CMD_SET_BSS_MODE:
2099 		cmd_ptr->command = cpu_to_le16(cmd_no);
2100 		if (priv->bss_mode == NL80211_IFTYPE_ADHOC)
2101 			cmd_ptr->params.bss_mode.con_type =
2102 				CONNECTION_TYPE_ADHOC;
2103 		else if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2104 			 priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT)
2105 			cmd_ptr->params.bss_mode.con_type =
2106 				CONNECTION_TYPE_INFRA;
2107 		else if (priv->bss_mode == NL80211_IFTYPE_AP ||
2108 			 priv->bss_mode == NL80211_IFTYPE_P2P_GO)
2109 			cmd_ptr->params.bss_mode.con_type = CONNECTION_TYPE_AP;
2110 		cmd_ptr->size = cpu_to_le16(sizeof(struct
2111 				host_cmd_ds_set_bss_mode) + S_DS_GEN);
2112 		ret = 0;
2113 		break;
2114 	case HostCmd_CMD_PCIE_DESC_DETAILS:
2115 		ret = mwifiex_cmd_pcie_host_spec(priv, cmd_ptr, cmd_action);
2116 		break;
2117 	case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
2118 		ret = mwifiex_cmd_802_11_subsc_evt(priv, cmd_ptr, data_buf);
2119 		break;
2120 	case HostCmd_CMD_MEF_CFG:
2121 		ret = mwifiex_cmd_mef_cfg(priv, cmd_ptr, data_buf);
2122 		break;
2123 	case HostCmd_CMD_COALESCE_CFG:
2124 		ret = mwifiex_cmd_coalesce_cfg(priv, cmd_ptr, cmd_action,
2125 					       data_buf);
2126 		break;
2127 	case HostCmd_CMD_TDLS_OPER:
2128 		ret = mwifiex_cmd_tdls_oper(priv, cmd_ptr, data_buf);
2129 		break;
2130 	case HostCmd_CMD_TDLS_CONFIG:
2131 		ret = mwifiex_cmd_tdls_config(priv, cmd_ptr, cmd_action,
2132 					      data_buf);
2133 		break;
2134 	case HostCmd_CMD_CHAN_REPORT_REQUEST:
2135 		ret = mwifiex_cmd_issue_chan_report_request(priv, cmd_ptr,
2136 							    data_buf);
2137 		break;
2138 	case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG:
2139 		ret = mwifiex_cmd_sdio_rx_aggr_cfg(cmd_ptr, cmd_action,
2140 						   data_buf);
2141 		break;
2142 	case HostCmd_CMD_HS_WAKEUP_REASON:
2143 		ret = mwifiex_cmd_get_wakeup_reason(priv, cmd_ptr);
2144 		break;
2145 	case HostCmd_CMD_MC_POLICY:
2146 		ret = mwifiex_cmd_set_mc_policy(priv, cmd_ptr, cmd_action,
2147 						data_buf);
2148 		break;
2149 	case HostCmd_CMD_ROBUST_COEX:
2150 		ret = mwifiex_cmd_robust_coex(priv, cmd_ptr, cmd_action,
2151 					      data_buf);
2152 		break;
2153 	case HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG:
2154 		ret = mwifiex_cmd_gtk_rekey_offload(priv, cmd_ptr, cmd_action,
2155 						    data_buf);
2156 		break;
2157 	case HostCmd_CMD_CHAN_REGION_CFG:
2158 		ret = mwifiex_cmd_chan_region_cfg(priv, cmd_ptr, cmd_action);
2159 		break;
2160 	default:
2161 		mwifiex_dbg(priv->adapter, ERROR,
2162 			    "PREP_CMD: unknown cmd- %#x\n", cmd_no);
2163 		ret = -1;
2164 		break;
2165 	}
2166 	return ret;
2167 }
2168 
2169 /*
2170  * This function issues commands to initialize firmware.
2171  *
2172  * This is called after firmware download to bring the card to
2173  * working state.
2174  * Function is also called during reinitialization of virtual
2175  * interfaces.
2176  *
2177  * The following commands are issued sequentially -
2178  *      - Set PCI-Express host buffer configuration (PCIE only)
2179  *      - Function init (for first interface only)
2180  *      - Read MAC address (for first interface only)
2181  *      - Reconfigure Tx buffer size (for first interface only)
2182  *      - Enable auto deep sleep (for first interface only)
2183  *      - Get Tx rate
2184  *      - Get Tx power
2185  *      - Set IBSS coalescing status
2186  *      - Set AMSDU aggregation control
2187  *      - Set 11d control
2188  *      - Set MAC control (this must be the last command to initialize firmware)
2189  */
2190 int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta, bool init)
2191 {
2192 	struct mwifiex_adapter *adapter = priv->adapter;
2193 	int ret;
2194 	u16 enable = true;
2195 	struct mwifiex_ds_11n_amsdu_aggr_ctrl amsdu_aggr_ctrl;
2196 	struct mwifiex_ds_auto_ds auto_ds;
2197 	enum state_11d_t state_11d;
2198 	struct mwifiex_ds_11n_tx_cfg tx_cfg;
2199 	u8 sdio_sp_rx_aggr_enable;
2200 	int data;
2201 
2202 	if (first_sta) {
2203 		if (priv->adapter->iface_type == MWIFIEX_PCIE) {
2204 			ret = mwifiex_send_cmd(priv,
2205 					       HostCmd_CMD_PCIE_DESC_DETAILS,
2206 					       HostCmd_ACT_GEN_SET, 0, NULL,
2207 					       true);
2208 			if (ret)
2209 				return -1;
2210 		}
2211 
2212 		ret = mwifiex_send_cmd(priv, HostCmd_CMD_FUNC_INIT,
2213 				       HostCmd_ACT_GEN_SET, 0, NULL, true);
2214 		if (ret)
2215 			return -1;
2216 
2217 		/* Download calibration data to firmware.
2218 		 * The cal-data can be read from device tree and/or
2219 		 * a configuration file and downloaded to firmware.
2220 		 */
2221 		if (priv->adapter->iface_type == MWIFIEX_SDIO &&
2222 		    adapter->dev->of_node) {
2223 			adapter->dt_node = adapter->dev->of_node;
2224 			if (of_property_read_u32(adapter->dt_node,
2225 						 "marvell,wakeup-pin",
2226 						 &data) == 0) {
2227 				pr_debug("Wakeup pin = 0x%x\n", data);
2228 				adapter->hs_cfg.gpio = data;
2229 			}
2230 
2231 			ret = mwifiex_dnld_dt_cfgdata(priv, adapter->dt_node,
2232 						      "marvell,caldata");
2233 			if (ret)
2234 				return -1;
2235 		}
2236 
2237 		if (adapter->cal_data) {
2238 			ret = mwifiex_send_cmd(priv, HostCmd_CMD_CFG_DATA,
2239 					       HostCmd_ACT_GEN_SET, 0, NULL,
2240 					       true);
2241 			if (ret)
2242 				return -1;
2243 		}
2244 
2245 		/* Read MAC address from HW */
2246 		ret = mwifiex_send_cmd(priv, HostCmd_CMD_GET_HW_SPEC,
2247 				       HostCmd_ACT_GEN_GET, 0, NULL, true);
2248 		if (ret)
2249 			return -1;
2250 
2251 		/** Set SDIO Single Port RX Aggr Info */
2252 		if (priv->adapter->iface_type == MWIFIEX_SDIO &&
2253 		    ISSUPP_SDIO_SPA_ENABLED(priv->adapter->fw_cap_info) &&
2254 		    !priv->adapter->host_disable_sdio_rx_aggr) {
2255 			sdio_sp_rx_aggr_enable = true;
2256 			ret = mwifiex_send_cmd(priv,
2257 					       HostCmd_CMD_SDIO_SP_RX_AGGR_CFG,
2258 					       HostCmd_ACT_GEN_SET, 0,
2259 					       &sdio_sp_rx_aggr_enable,
2260 					       true);
2261 			if (ret) {
2262 				mwifiex_dbg(priv->adapter, ERROR,
2263 					    "error while enabling SP aggregation..disable it");
2264 				adapter->sdio_rx_aggr_enable = false;
2265 			}
2266 		}
2267 
2268 		/* Reconfigure tx buf size */
2269 		ret = mwifiex_send_cmd(priv, HostCmd_CMD_RECONFIGURE_TX_BUFF,
2270 				       HostCmd_ACT_GEN_SET, 0,
2271 				       &priv->adapter->tx_buf_size, true);
2272 		if (ret)
2273 			return -1;
2274 
2275 		if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
2276 			/* Enable IEEE PS by default */
2277 			priv->adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
2278 			ret = mwifiex_send_cmd(priv,
2279 					       HostCmd_CMD_802_11_PS_MODE_ENH,
2280 					       EN_AUTO_PS, BITMAP_STA_PS, NULL,
2281 					       true);
2282 			if (ret)
2283 				return -1;
2284 		}
2285 
2286 		if (drcs) {
2287 			adapter->drcs_enabled = true;
2288 			if (ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
2289 				ret = mwifiex_send_cmd(priv,
2290 						       HostCmd_CMD_MC_POLICY,
2291 						       HostCmd_ACT_GEN_SET, 0,
2292 						       &adapter->drcs_enabled,
2293 						       true);
2294 			if (ret)
2295 				return -1;
2296 		}
2297 
2298 		mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REGION_CFG,
2299 				 HostCmd_ACT_GEN_GET, 0, NULL, true);
2300 	}
2301 
2302 	/* get tx rate */
2303 	ret = mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
2304 			       HostCmd_ACT_GEN_GET, 0, NULL, true);
2305 	if (ret)
2306 		return -1;
2307 	priv->data_rate = 0;
2308 
2309 	/* get tx power */
2310 	ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR,
2311 			       HostCmd_ACT_GEN_GET, 0, NULL, true);
2312 	if (ret)
2313 		return -1;
2314 
2315 	if (priv->bss_type == MWIFIEX_BSS_TYPE_STA) {
2316 		/* set ibss coalescing_status */
2317 		ret = mwifiex_send_cmd(
2318 				priv,
2319 				HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
2320 				HostCmd_ACT_GEN_SET, 0, &enable, true);
2321 		if (ret)
2322 			return -1;
2323 	}
2324 
2325 	memset(&amsdu_aggr_ctrl, 0, sizeof(amsdu_aggr_ctrl));
2326 	amsdu_aggr_ctrl.enable = true;
2327 	/* Send request to firmware */
2328 	ret = mwifiex_send_cmd(priv, HostCmd_CMD_AMSDU_AGGR_CTRL,
2329 			       HostCmd_ACT_GEN_SET, 0,
2330 			       &amsdu_aggr_ctrl, true);
2331 	if (ret)
2332 		return -1;
2333 	/* MAC Control must be the last command in init_fw */
2334 	/* set MAC Control */
2335 	ret = mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
2336 			       HostCmd_ACT_GEN_SET, 0,
2337 			       &priv->curr_pkt_filter, true);
2338 	if (ret)
2339 		return -1;
2340 
2341 	if (!disable_auto_ds &&
2342 	    first_sta && priv->adapter->iface_type != MWIFIEX_USB &&
2343 	    priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
2344 		/* Enable auto deep sleep */
2345 		auto_ds.auto_ds = DEEP_SLEEP_ON;
2346 		auto_ds.idle_time = DEEP_SLEEP_IDLE_TIME;
2347 		ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
2348 				       EN_AUTO_PS, BITMAP_AUTO_DS,
2349 				       &auto_ds, true);
2350 		if (ret)
2351 			return -1;
2352 	}
2353 
2354 	if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
2355 		/* Send cmd to FW to enable/disable 11D function */
2356 		state_11d = ENABLE_11D;
2357 		ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
2358 				       HostCmd_ACT_GEN_SET, DOT11D_I,
2359 				       &state_11d, true);
2360 		if (ret)
2361 			mwifiex_dbg(priv->adapter, ERROR,
2362 				    "11D: failed to enable 11D\n");
2363 	}
2364 
2365 	/* Send cmd to FW to configure 11n specific configuration
2366 	 * (Short GI, Channel BW, Green field support etc.) for transmit
2367 	 */
2368 	tx_cfg.tx_htcap = MWIFIEX_FW_DEF_HTTXCFG;
2369 	ret = mwifiex_send_cmd(priv, HostCmd_CMD_11N_CFG,
2370 			       HostCmd_ACT_GEN_SET, 0, &tx_cfg, true);
2371 
2372 	if (init) {
2373 		/* set last_init_cmd before sending the command */
2374 		priv->adapter->last_init_cmd = HostCmd_CMD_11N_CFG;
2375 		ret = -EINPROGRESS;
2376 	}
2377 
2378 	return ret;
2379 }
2380