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[~andy/linux] / drivers / net / wireless / mwifiex / sta_cmd.c
1 /*
2  * Marvell Wireless LAN device driver: station command handling
3  *
4  * Copyright (C) 2011, Marvell International Ltd.
5  *
6  * This software file (the "File") is distributed by Marvell International
7  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8  * (the "License").  You may use, redistribute and/or modify this File in
9  * accordance with the terms and conditions of the License, a copy of which
10  * is available by writing to the Free Software Foundation, Inc.,
11  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12  * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
13  *
14  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
17  * this warranty disclaimer.
18  */
19
20 #include "decl.h"
21 #include "ioctl.h"
22 #include "util.h"
23 #include "fw.h"
24 #include "main.h"
25 #include "wmm.h"
26 #include "11n.h"
27
28 /*
29  * This function prepares command to set/get RSSI information.
30  *
31  * Preparation includes -
32  *      - Setting command ID, action and proper size
33  *      - Setting data/beacon average factors
34  *      - Resetting SNR/NF/RSSI values in private structure
35  *      - Ensuring correct endian-ness
36  */
37 static int
38 mwifiex_cmd_802_11_rssi_info(struct mwifiex_private *priv,
39                              struct host_cmd_ds_command *cmd, u16 cmd_action)
40 {
41         cmd->command = cpu_to_le16(HostCmd_CMD_RSSI_INFO);
42         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_rssi_info) +
43                                 S_DS_GEN);
44         cmd->params.rssi_info.action = cpu_to_le16(cmd_action);
45         cmd->params.rssi_info.ndata = cpu_to_le16(priv->data_avg_factor);
46         cmd->params.rssi_info.nbcn = cpu_to_le16(priv->bcn_avg_factor);
47
48         /* Reset SNR/NF/RSSI values in private structure */
49         priv->data_rssi_last = 0;
50         priv->data_nf_last = 0;
51         priv->data_rssi_avg = 0;
52         priv->data_nf_avg = 0;
53         priv->bcn_rssi_last = 0;
54         priv->bcn_nf_last = 0;
55         priv->bcn_rssi_avg = 0;
56         priv->bcn_nf_avg = 0;
57
58         return 0;
59 }
60
61 /*
62  * This function prepares command to set MAC control.
63  *
64  * Preparation includes -
65  *      - Setting command ID, action and proper size
66  *      - Ensuring correct endian-ness
67  */
68 static int mwifiex_cmd_mac_control(struct mwifiex_private *priv,
69                                    struct host_cmd_ds_command *cmd,
70                                    u16 cmd_action, u16 *action)
71 {
72         struct host_cmd_ds_mac_control *mac_ctrl = &cmd->params.mac_ctrl;
73
74         if (cmd_action != HostCmd_ACT_GEN_SET) {
75                 dev_err(priv->adapter->dev,
76                         "mac_control: only support set cmd\n");
77                 return -1;
78         }
79
80         cmd->command = cpu_to_le16(HostCmd_CMD_MAC_CONTROL);
81         cmd->size =
82                 cpu_to_le16(sizeof(struct host_cmd_ds_mac_control) + S_DS_GEN);
83         mac_ctrl->action = cpu_to_le16(*action);
84
85         return 0;
86 }
87
88 /*
89  * This function prepares command to set/get SNMP MIB.
90  *
91  * Preparation includes -
92  *      - Setting command ID, action and proper size
93  *      - Setting SNMP MIB OID number and value
94  *        (as required)
95  *      - Ensuring correct endian-ness
96  *
97  * The following SNMP MIB OIDs are supported -
98  *      - FRAG_THRESH_I     : Fragmentation threshold
99  *      - RTS_THRESH_I      : RTS threshold
100  *      - SHORT_RETRY_LIM_I : Short retry limit
101  *      - DOT11D_I          : 11d support
102  */
103 static int mwifiex_cmd_802_11_snmp_mib(struct mwifiex_private *priv,
104                                        struct host_cmd_ds_command *cmd,
105                                        u16 cmd_action, u32 cmd_oid,
106                                        u16 *ul_temp)
107 {
108         struct host_cmd_ds_802_11_snmp_mib *snmp_mib = &cmd->params.smib;
109
110         dev_dbg(priv->adapter->dev, "cmd: SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
111         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_SNMP_MIB);
112         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_snmp_mib)
113                                 - 1 + S_DS_GEN);
114
115         snmp_mib->oid = cpu_to_le16((u16)cmd_oid);
116         if (cmd_action == HostCmd_ACT_GEN_GET) {
117                 snmp_mib->query_type = cpu_to_le16(HostCmd_ACT_GEN_GET);
118                 snmp_mib->buf_size = cpu_to_le16(MAX_SNMP_BUF_SIZE);
119                 le16_add_cpu(&cmd->size, MAX_SNMP_BUF_SIZE);
120         } else if (cmd_action == HostCmd_ACT_GEN_SET) {
121                 snmp_mib->query_type = cpu_to_le16(HostCmd_ACT_GEN_SET);
122                 snmp_mib->buf_size = cpu_to_le16(sizeof(u16));
123                 *((__le16 *) (snmp_mib->value)) = cpu_to_le16(*ul_temp);
124                 le16_add_cpu(&cmd->size, sizeof(u16));
125         }
126
127         dev_dbg(priv->adapter->dev,
128                 "cmd: SNMP_CMD: Action=0x%x, OID=0x%x, OIDSize=0x%x,"
129                 " Value=0x%x\n",
130                 cmd_action, cmd_oid, le16_to_cpu(snmp_mib->buf_size),
131                 le16_to_cpu(*(__le16 *) snmp_mib->value));
132         return 0;
133 }
134
135 /*
136  * This function prepares command to get log.
137  *
138  * Preparation includes -
139  *      - Setting command ID and proper size
140  *      - Ensuring correct endian-ness
141  */
142 static int
143 mwifiex_cmd_802_11_get_log(struct host_cmd_ds_command *cmd)
144 {
145         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_GET_LOG);
146         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_get_log) +
147                                 S_DS_GEN);
148         return 0;
149 }
150
151 /*
152  * This function prepares command to set/get Tx data rate configuration.
153  *
154  * Preparation includes -
155  *      - Setting command ID, action and proper size
156  *      - Setting configuration index, rate scope and rate drop pattern
157  *        parameters (as required)
158  *      - Ensuring correct endian-ness
159  */
160 static int mwifiex_cmd_tx_rate_cfg(struct mwifiex_private *priv,
161                                    struct host_cmd_ds_command *cmd,
162                                    u16 cmd_action, u16 *pbitmap_rates)
163 {
164         struct host_cmd_ds_tx_rate_cfg *rate_cfg = &cmd->params.tx_rate_cfg;
165         struct mwifiex_rate_scope *rate_scope;
166         struct mwifiex_rate_drop_pattern *rate_drop;
167         u32 i;
168
169         cmd->command = cpu_to_le16(HostCmd_CMD_TX_RATE_CFG);
170
171         rate_cfg->action = cpu_to_le16(cmd_action);
172         rate_cfg->cfg_index = 0;
173
174         rate_scope = (struct mwifiex_rate_scope *) ((u8 *) rate_cfg +
175                       sizeof(struct host_cmd_ds_tx_rate_cfg));
176         rate_scope->type = cpu_to_le16(TLV_TYPE_RATE_SCOPE);
177         rate_scope->length = cpu_to_le16
178                 (sizeof(*rate_scope) - sizeof(struct mwifiex_ie_types_header));
179         if (pbitmap_rates != NULL) {
180                 rate_scope->hr_dsss_rate_bitmap = cpu_to_le16(pbitmap_rates[0]);
181                 rate_scope->ofdm_rate_bitmap = cpu_to_le16(pbitmap_rates[1]);
182                 for (i = 0;
183                      i < sizeof(rate_scope->ht_mcs_rate_bitmap) / sizeof(u16);
184                      i++)
185                         rate_scope->ht_mcs_rate_bitmap[i] =
186                                 cpu_to_le16(pbitmap_rates[2 + i]);
187         } else {
188                 rate_scope->hr_dsss_rate_bitmap =
189                         cpu_to_le16(priv->bitmap_rates[0]);
190                 rate_scope->ofdm_rate_bitmap =
191                         cpu_to_le16(priv->bitmap_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(priv->bitmap_rates[2 + i]);
197         }
198
199         rate_drop = (struct mwifiex_rate_drop_pattern *) ((u8 *) rate_scope +
200                                              sizeof(struct mwifiex_rate_scope));
201         rate_drop->type = cpu_to_le16(TLV_TYPE_RATE_DROP_CONTROL);
202         rate_drop->length = cpu_to_le16(sizeof(rate_drop->rate_drop_mode));
203         rate_drop->rate_drop_mode = 0;
204
205         cmd->size =
206                 cpu_to_le16(S_DS_GEN + sizeof(struct host_cmd_ds_tx_rate_cfg) +
207                             sizeof(struct mwifiex_rate_scope) +
208                             sizeof(struct mwifiex_rate_drop_pattern));
209
210         return 0;
211 }
212
213 /*
214  * This function prepares command to set/get Tx power configuration.
215  *
216  * Preparation includes -
217  *      - Setting command ID, action and proper size
218  *      - Setting Tx power mode, power group TLV
219  *        (as required)
220  *      - Ensuring correct endian-ness
221  */
222 static int mwifiex_cmd_tx_power_cfg(struct host_cmd_ds_command *cmd,
223                                     u16 cmd_action,
224                                     struct host_cmd_ds_txpwr_cfg *txp)
225 {
226         struct mwifiex_types_power_group *pg_tlv;
227         struct host_cmd_ds_txpwr_cfg *cmd_txp_cfg = &cmd->params.txp_cfg;
228
229         cmd->command = cpu_to_le16(HostCmd_CMD_TXPWR_CFG);
230         cmd->size =
231                 cpu_to_le16(S_DS_GEN + sizeof(struct host_cmd_ds_txpwr_cfg));
232         switch (cmd_action) {
233         case HostCmd_ACT_GEN_SET:
234                 if (txp->mode) {
235                         pg_tlv = (struct mwifiex_types_power_group
236                                   *) ((unsigned long) txp +
237                                      sizeof(struct host_cmd_ds_txpwr_cfg));
238                         memmove(cmd_txp_cfg, txp,
239                                 sizeof(struct host_cmd_ds_txpwr_cfg) +
240                                 sizeof(struct mwifiex_types_power_group) +
241                                 pg_tlv->length);
242
243                         pg_tlv = (struct mwifiex_types_power_group *) ((u8 *)
244                                   cmd_txp_cfg +
245                                   sizeof(struct host_cmd_ds_txpwr_cfg));
246                         cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) +
247                                   sizeof(struct mwifiex_types_power_group) +
248                                   pg_tlv->length);
249                 } else {
250                         memmove(cmd_txp_cfg, txp, sizeof(*txp));
251                 }
252                 cmd_txp_cfg->action = cpu_to_le16(cmd_action);
253                 break;
254         case HostCmd_ACT_GEN_GET:
255                 cmd_txp_cfg->action = cpu_to_le16(cmd_action);
256                 break;
257         }
258
259         return 0;
260 }
261
262 /*
263  * This function prepares command to set Host Sleep configuration.
264  *
265  * Preparation includes -
266  *      - Setting command ID and proper size
267  *      - Setting Host Sleep action, conditions, ARP filters
268  *        (as required)
269  *      - Ensuring correct endian-ness
270  */
271 static int
272 mwifiex_cmd_802_11_hs_cfg(struct mwifiex_private *priv,
273                           struct host_cmd_ds_command *cmd,
274                           u16 cmd_action,
275                           struct mwifiex_hs_config_param *hscfg_param)
276 {
277         struct mwifiex_adapter *adapter = priv->adapter;
278         struct host_cmd_ds_802_11_hs_cfg_enh *hs_cfg = &cmd->params.opt_hs_cfg;
279         u16 hs_activate = false;
280
281         if (!hscfg_param)
282                 /* New Activate command */
283                 hs_activate = true;
284         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH);
285
286         if (!hs_activate &&
287             (hscfg_param->conditions != cpu_to_le32(HOST_SLEEP_CFG_CANCEL)) &&
288             ((adapter->arp_filter_size > 0) &&
289              (adapter->arp_filter_size <= ARP_FILTER_MAX_BUF_SIZE))) {
290                 dev_dbg(adapter->dev,
291                         "cmd: Attach %d bytes ArpFilter to HSCfg cmd\n",
292                         adapter->arp_filter_size);
293                 memcpy(((u8 *) hs_cfg) +
294                        sizeof(struct host_cmd_ds_802_11_hs_cfg_enh),
295                        adapter->arp_filter, adapter->arp_filter_size);
296                 cmd->size = cpu_to_le16
297                                 (adapter->arp_filter_size +
298                                  sizeof(struct host_cmd_ds_802_11_hs_cfg_enh)
299                                 + S_DS_GEN);
300         } else {
301                 cmd->size = cpu_to_le16(S_DS_GEN + sizeof(struct
302                                                 host_cmd_ds_802_11_hs_cfg_enh));
303         }
304         if (hs_activate) {
305                 hs_cfg->action = cpu_to_le16(HS_ACTIVATE);
306                 hs_cfg->params.hs_activate.resp_ctrl = RESP_NEEDED;
307         } else {
308                 hs_cfg->action = cpu_to_le16(HS_CONFIGURE);
309                 hs_cfg->params.hs_config.conditions = hscfg_param->conditions;
310                 hs_cfg->params.hs_config.gpio = hscfg_param->gpio;
311                 hs_cfg->params.hs_config.gap = hscfg_param->gap;
312                 dev_dbg(adapter->dev,
313                         "cmd: HS_CFG_CMD: condition:0x%x gpio:0x%x gap:0x%x\n",
314                        hs_cfg->params.hs_config.conditions,
315                        hs_cfg->params.hs_config.gpio,
316                        hs_cfg->params.hs_config.gap);
317         }
318
319         return 0;
320 }
321
322 /*
323  * This function prepares command to set/get MAC address.
324  *
325  * Preparation includes -
326  *      - Setting command ID, action and proper size
327  *      - Setting MAC address (for SET only)
328  *      - Ensuring correct endian-ness
329  */
330 static int mwifiex_cmd_802_11_mac_address(struct mwifiex_private *priv,
331                                           struct host_cmd_ds_command *cmd,
332                                           u16 cmd_action)
333 {
334         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_MAC_ADDRESS);
335         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_mac_address) +
336                                 S_DS_GEN);
337         cmd->result = 0;
338
339         cmd->params.mac_addr.action = cpu_to_le16(cmd_action);
340
341         if (cmd_action == HostCmd_ACT_GEN_SET)
342                 memcpy(cmd->params.mac_addr.mac_addr, priv->curr_addr,
343                        ETH_ALEN);
344         return 0;
345 }
346
347 /*
348  * This function prepares command to set MAC multicast address.
349  *
350  * Preparation includes -
351  *      - Setting command ID, action and proper size
352  *      - Setting MAC multicast address
353  *      - Ensuring correct endian-ness
354  */
355 static int
356 mwifiex_cmd_mac_multicast_adr(struct host_cmd_ds_command *cmd,
357                               u16 cmd_action,
358                               struct mwifiex_multicast_list *mcast_list)
359 {
360         struct host_cmd_ds_mac_multicast_adr *mcast_addr = &cmd->params.mc_addr;
361
362         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_mac_multicast_adr) +
363                                 S_DS_GEN);
364         cmd->command = cpu_to_le16(HostCmd_CMD_MAC_MULTICAST_ADR);
365
366         mcast_addr->action = cpu_to_le16(cmd_action);
367         mcast_addr->num_of_adrs =
368                 cpu_to_le16((u16) mcast_list->num_multicast_addr);
369         memcpy(mcast_addr->mac_list, mcast_list->mac_list,
370                mcast_list->num_multicast_addr * ETH_ALEN);
371
372         return 0;
373 }
374
375 /*
376  * This function prepares command to deauthenticate.
377  *
378  * Preparation includes -
379  *      - Setting command ID and proper size
380  *      - Setting AP MAC address and reason code
381  *      - Ensuring correct endian-ness
382  */
383 static int mwifiex_cmd_802_11_deauthenticate(struct mwifiex_private *priv,
384                                              struct host_cmd_ds_command *cmd,
385                                              u8 *mac)
386 {
387         struct host_cmd_ds_802_11_deauthenticate *deauth = &cmd->params.deauth;
388
389         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_DEAUTHENTICATE);
390         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_deauthenticate)
391                                 + S_DS_GEN);
392
393         /* Set AP MAC address */
394         memcpy(deauth->mac_addr, mac, ETH_ALEN);
395
396         dev_dbg(priv->adapter->dev, "cmd: Deauth: %pM\n", deauth->mac_addr);
397
398         deauth->reason_code = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
399
400         return 0;
401 }
402
403 /*
404  * This function prepares command to stop Ad-Hoc network.
405  *
406  * Preparation includes -
407  *      - Setting command ID and proper size
408  *      - Ensuring correct endian-ness
409  */
410 static int mwifiex_cmd_802_11_ad_hoc_stop(struct host_cmd_ds_command *cmd)
411 {
412         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_STOP);
413         cmd->size = cpu_to_le16(S_DS_GEN);
414         return 0;
415 }
416
417 /*
418  * This function sets WEP key(s) to key parameter TLV(s).
419  *
420  * Multi-key parameter TLVs are supported, so we can send multiple
421  * WEP keys in a single buffer.
422  */
423 static int
424 mwifiex_set_keyparamset_wep(struct mwifiex_private *priv,
425                             struct mwifiex_ie_type_key_param_set *key_param_set,
426                             u16 *key_param_len)
427 {
428         int cur_key_param_len;
429         u8 i;
430
431         /* Multi-key_param_set TLV is supported */
432         for (i = 0; i < NUM_WEP_KEYS; i++) {
433                 if ((priv->wep_key[i].key_length == WLAN_KEY_LEN_WEP40) ||
434                     (priv->wep_key[i].key_length == WLAN_KEY_LEN_WEP104)) {
435                         key_param_set->type =
436                                 cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
437 /* Key_param_set WEP fixed length */
438 #define KEYPARAMSET_WEP_FIXED_LEN 8
439                         key_param_set->length = cpu_to_le16((u16)
440                                         (priv->wep_key[i].
441                                          key_length +
442                                          KEYPARAMSET_WEP_FIXED_LEN));
443                         key_param_set->key_type_id =
444                                 cpu_to_le16(KEY_TYPE_ID_WEP);
445                         key_param_set->key_info =
446                                 cpu_to_le16(KEY_ENABLED | KEY_UNICAST |
447                                             KEY_MCAST);
448                         key_param_set->key_len =
449                                 cpu_to_le16(priv->wep_key[i].key_length);
450                         /* Set WEP key index */
451                         key_param_set->key[0] = i;
452                         /* Set default Tx key flag */
453                         if (i ==
454                             (priv->
455                              wep_key_curr_index & HostCmd_WEP_KEY_INDEX_MASK))
456                                 key_param_set->key[1] = 1;
457                         else
458                                 key_param_set->key[1] = 0;
459                         memmove(&key_param_set->key[2],
460                                 priv->wep_key[i].key_material,
461                                 priv->wep_key[i].key_length);
462
463                         cur_key_param_len = priv->wep_key[i].key_length +
464                                 KEYPARAMSET_WEP_FIXED_LEN +
465                                 sizeof(struct mwifiex_ie_types_header);
466                         *key_param_len += (u16) cur_key_param_len;
467                         key_param_set =
468                                 (struct mwifiex_ie_type_key_param_set *)
469                                                 ((u8 *)key_param_set +
470                                                  cur_key_param_len);
471                 } else if (!priv->wep_key[i].key_length) {
472                         continue;
473                 } else {
474                         dev_err(priv->adapter->dev,
475                                 "key%d Length = %d is incorrect\n",
476                                (i + 1), priv->wep_key[i].key_length);
477                         return -1;
478                 }
479         }
480
481         return 0;
482 }
483
484 /*
485  * This function prepares command to set/get/reset network key(s).
486  *
487  * Preparation includes -
488  *      - Setting command ID, action and proper size
489  *      - Setting WEP keys, WAPI keys or WPA keys along with required
490  *        encryption (TKIP, AES) (as required)
491  *      - Ensuring correct endian-ness
492  */
493 static int
494 mwifiex_cmd_802_11_key_material(struct mwifiex_private *priv,
495                                 struct host_cmd_ds_command *cmd,
496                                 u16 cmd_action, u32 cmd_oid,
497                                 struct mwifiex_ds_encrypt_key *enc_key)
498 {
499         struct host_cmd_ds_802_11_key_material *key_material =
500                 &cmd->params.key_material;
501         u16 key_param_len = 0;
502         int ret = 0;
503         const u8 bc_mac[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
504
505         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_KEY_MATERIAL);
506         key_material->action = cpu_to_le16(cmd_action);
507
508         if (cmd_action == HostCmd_ACT_GEN_GET) {
509                 cmd->size =
510                         cpu_to_le16(sizeof(key_material->action) + S_DS_GEN);
511                 return ret;
512         }
513
514         if (!enc_key) {
515                 memset(&key_material->key_param_set, 0,
516                        (NUM_WEP_KEYS *
517                         sizeof(struct mwifiex_ie_type_key_param_set)));
518                 ret = mwifiex_set_keyparamset_wep(priv,
519                                                   &key_material->key_param_set,
520                                                   &key_param_len);
521                 cmd->size = cpu_to_le16(key_param_len +
522                                     sizeof(key_material->action) + S_DS_GEN);
523                 return ret;
524         } else
525                 memset(&key_material->key_param_set, 0,
526                        sizeof(struct mwifiex_ie_type_key_param_set));
527         if (enc_key->is_wapi_key) {
528                 dev_dbg(priv->adapter->dev, "info: Set WAPI Key\n");
529                 key_material->key_param_set.key_type_id =
530                                                 cpu_to_le16(KEY_TYPE_ID_WAPI);
531                 if (cmd_oid == KEY_INFO_ENABLED)
532                         key_material->key_param_set.key_info =
533                                                 cpu_to_le16(KEY_ENABLED);
534                 else
535                         key_material->key_param_set.key_info =
536                                                 cpu_to_le16(!KEY_ENABLED);
537
538                 key_material->key_param_set.key[0] = enc_key->key_index;
539                 if (!priv->sec_info.wapi_key_on)
540                         key_material->key_param_set.key[1] = 1;
541                 else
542                         /* set 0 when re-key */
543                         key_material->key_param_set.key[1] = 0;
544
545                 if (0 != memcmp(enc_key->mac_addr, bc_mac, sizeof(bc_mac))) {
546                         /* WAPI pairwise key: unicast */
547                         key_material->key_param_set.key_info |=
548                                 cpu_to_le16(KEY_UNICAST);
549                 } else {        /* WAPI group key: multicast */
550                         key_material->key_param_set.key_info |=
551                                 cpu_to_le16(KEY_MCAST);
552                         priv->sec_info.wapi_key_on = true;
553                 }
554
555                 key_material->key_param_set.type =
556                                         cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
557                 key_material->key_param_set.key_len =
558                                                 cpu_to_le16(WAPI_KEY_LEN);
559                 memcpy(&key_material->key_param_set.key[2],
560                        enc_key->key_material, enc_key->key_len);
561                 memcpy(&key_material->key_param_set.key[2 + enc_key->key_len],
562                        enc_key->wapi_rxpn, WAPI_RXPN_LEN);
563                 key_material->key_param_set.length =
564                         cpu_to_le16(WAPI_KEY_LEN + KEYPARAMSET_FIXED_LEN);
565
566                 key_param_len = (WAPI_KEY_LEN + KEYPARAMSET_FIXED_LEN) +
567                                  sizeof(struct mwifiex_ie_types_header);
568                 cmd->size = cpu_to_le16(sizeof(key_material->action)
569                                         + S_DS_GEN +  key_param_len);
570                 return ret;
571         }
572         if (enc_key->key_len == WLAN_KEY_LEN_CCMP) {
573                 dev_dbg(priv->adapter->dev, "cmd: WPA_AES\n");
574                 key_material->key_param_set.key_type_id =
575                                                 cpu_to_le16(KEY_TYPE_ID_AES);
576                 if (cmd_oid == KEY_INFO_ENABLED)
577                         key_material->key_param_set.key_info =
578                                                 cpu_to_le16(KEY_ENABLED);
579                 else
580                         key_material->key_param_set.key_info =
581                                                 cpu_to_le16(!KEY_ENABLED);
582
583                 if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
584                                 /* AES pairwise key: unicast */
585                         key_material->key_param_set.key_info |=
586                                                 cpu_to_le16(KEY_UNICAST);
587                 else            /* AES group key: multicast */
588                         key_material->key_param_set.key_info |=
589                                                         cpu_to_le16(KEY_MCAST);
590         } else if (enc_key->key_len == WLAN_KEY_LEN_TKIP) {
591                 dev_dbg(priv->adapter->dev, "cmd: WPA_TKIP\n");
592                 key_material->key_param_set.key_type_id =
593                                                 cpu_to_le16(KEY_TYPE_ID_TKIP);
594                 key_material->key_param_set.key_info =
595                                                 cpu_to_le16(KEY_ENABLED);
596
597                 if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
598                                 /* TKIP pairwise key: unicast */
599                         key_material->key_param_set.key_info |=
600                                                 cpu_to_le16(KEY_UNICAST);
601                 else            /* TKIP group key: multicast */
602                         key_material->key_param_set.key_info |=
603                                                         cpu_to_le16(KEY_MCAST);
604         }
605
606         if (key_material->key_param_set.key_type_id) {
607                 key_material->key_param_set.type =
608                                         cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
609                 key_material->key_param_set.key_len =
610                                         cpu_to_le16((u16) enc_key->key_len);
611                 memcpy(key_material->key_param_set.key, enc_key->key_material,
612                        enc_key->key_len);
613                 key_material->key_param_set.length =
614                         cpu_to_le16((u16) enc_key->key_len +
615                                     KEYPARAMSET_FIXED_LEN);
616
617                 key_param_len = (u16) (enc_key->key_len + KEYPARAMSET_FIXED_LEN)
618                                 + sizeof(struct mwifiex_ie_types_header);
619
620                 cmd->size = cpu_to_le16(sizeof(key_material->action) + S_DS_GEN
621                                         + key_param_len);
622         }
623
624         return ret;
625 }
626
627 /*
628  * This function prepares command to set/get 11d domain information.
629  *
630  * Preparation includes -
631  *      - Setting command ID, action and proper size
632  *      - Setting domain information fields (for SET only)
633  *      - Ensuring correct endian-ness
634  */
635 static int mwifiex_cmd_802_11d_domain_info(struct mwifiex_private *priv,
636                                            struct host_cmd_ds_command *cmd,
637                                            u16 cmd_action)
638 {
639         struct mwifiex_adapter *adapter = priv->adapter;
640         struct host_cmd_ds_802_11d_domain_info *domain_info =
641                 &cmd->params.domain_info;
642         struct mwifiex_ietypes_domain_param_set *domain =
643                 &domain_info->domain;
644         u8 no_of_triplet = adapter->domain_reg.no_of_triplet;
645
646         dev_dbg(adapter->dev, "info: 11D: no_of_triplet=0x%x\n", no_of_triplet);
647
648         cmd->command = cpu_to_le16(HostCmd_CMD_802_11D_DOMAIN_INFO);
649         domain_info->action = cpu_to_le16(cmd_action);
650         if (cmd_action == HostCmd_ACT_GEN_GET) {
651                 cmd->size = cpu_to_le16(sizeof(domain_info->action) + S_DS_GEN);
652                 return 0;
653         }
654
655         /* Set domain info fields */
656         domain->header.type = cpu_to_le16(WLAN_EID_COUNTRY);
657         memcpy(domain->country_code, adapter->domain_reg.country_code,
658                sizeof(domain->country_code));
659
660         domain->header.len =
661                 cpu_to_le16((no_of_triplet *
662                              sizeof(struct ieee80211_country_ie_triplet))
663                             + sizeof(domain->country_code));
664
665         if (no_of_triplet) {
666                 memcpy(domain->triplet, adapter->domain_reg.triplet,
667                        no_of_triplet * sizeof(struct
668                                               ieee80211_country_ie_triplet));
669
670                 cmd->size = cpu_to_le16(sizeof(domain_info->action) +
671                                         le16_to_cpu(domain->header.len) +
672                                         sizeof(struct mwifiex_ie_types_header)
673                                         + S_DS_GEN);
674         } else {
675                 cmd->size = cpu_to_le16(sizeof(domain_info->action) + S_DS_GEN);
676         }
677
678         return 0;
679 }
680
681 /*
682  * This function prepares command to set/get RF channel.
683  *
684  * Preparation includes -
685  *      - Setting command ID, action and proper size
686  *      - Setting RF type and current RF channel (for SET only)
687  *      - Ensuring correct endian-ness
688  */
689 static int mwifiex_cmd_802_11_rf_channel(struct mwifiex_private *priv,
690                                          struct host_cmd_ds_command *cmd,
691                                          u16 cmd_action, u16 *channel)
692 {
693         struct host_cmd_ds_802_11_rf_channel *rf_chan =
694                 &cmd->params.rf_channel;
695         uint16_t rf_type = le16_to_cpu(rf_chan->rf_type);
696
697         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_RF_CHANNEL);
698         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_rf_channel)
699                                 + S_DS_GEN);
700
701         if (cmd_action == HostCmd_ACT_GEN_SET) {
702                 if ((priv->adapter->adhoc_start_band & BAND_A) ||
703                     (priv->adapter->adhoc_start_band & BAND_AN))
704                         rf_chan->rf_type =
705                                 cpu_to_le16(HostCmd_SCAN_RADIO_TYPE_A);
706
707                 rf_type = le16_to_cpu(rf_chan->rf_type);
708                 SET_SECONDARYCHAN(rf_type, priv->adapter->sec_chan_offset);
709                 rf_chan->current_channel = cpu_to_le16(*channel);
710         }
711         rf_chan->action = cpu_to_le16(cmd_action);
712         return 0;
713 }
714
715 /*
716  * This function prepares command to set/get IBSS coalescing status.
717  *
718  * Preparation includes -
719  *      - Setting command ID, action and proper size
720  *      - Setting status to enable or disable (for SET only)
721  *      - Ensuring correct endian-ness
722  */
723 static int mwifiex_cmd_ibss_coalescing_status(struct host_cmd_ds_command *cmd,
724                                               u16 cmd_action, u16 *enable)
725 {
726         struct host_cmd_ds_802_11_ibss_status *ibss_coal =
727                 &(cmd->params.ibss_coalescing);
728
729         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_IBSS_COALESCING_STATUS);
730         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_ibss_status) +
731                                 S_DS_GEN);
732         cmd->result = 0;
733         ibss_coal->action = cpu_to_le16(cmd_action);
734
735         switch (cmd_action) {
736         case HostCmd_ACT_GEN_SET:
737                 if (enable)
738                         ibss_coal->enable = cpu_to_le16(*enable);
739                 else
740                         ibss_coal->enable = 0;
741                 break;
742
743                 /* In other case.. Nothing to do */
744         case HostCmd_ACT_GEN_GET:
745         default:
746                 break;
747         }
748
749         return 0;
750 }
751
752 /*
753  * This function prepares command to set/get register value.
754  *
755  * Preparation includes -
756  *      - Setting command ID, action and proper size
757  *      - Setting register offset (for both GET and SET) and
758  *        register value (for SET only)
759  *      - Ensuring correct endian-ness
760  *
761  * The following type of registers can be accessed with this function -
762  *      - MAC register
763  *      - BBP register
764  *      - RF register
765  *      - PMIC register
766  *      - CAU register
767  *      - EEPROM
768  */
769 static int mwifiex_cmd_reg_access(struct host_cmd_ds_command *cmd,
770                                   u16 cmd_action, void *data_buf)
771 {
772         struct mwifiex_ds_reg_rw *reg_rw = data_buf;
773
774         switch (le16_to_cpu(cmd->command)) {
775         case HostCmd_CMD_MAC_REG_ACCESS:
776         {
777                 struct host_cmd_ds_mac_reg_access *mac_reg;
778
779                 cmd->size = cpu_to_le16(sizeof(*mac_reg) + S_DS_GEN);
780                 mac_reg = (struct host_cmd_ds_mac_reg_access *) &cmd->
781                                                                 params.mac_reg;
782                 mac_reg->action = cpu_to_le16(cmd_action);
783                 mac_reg->offset =
784                         cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
785                 mac_reg->value = reg_rw->value;
786                 break;
787         }
788         case HostCmd_CMD_BBP_REG_ACCESS:
789         {
790                 struct host_cmd_ds_bbp_reg_access *bbp_reg;
791
792                 cmd->size = cpu_to_le16(sizeof(*bbp_reg) + S_DS_GEN);
793                 bbp_reg = (struct host_cmd_ds_bbp_reg_access *)
794                                                         &cmd->params.bbp_reg;
795                 bbp_reg->action = cpu_to_le16(cmd_action);
796                 bbp_reg->offset =
797                         cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
798                 bbp_reg->value = (u8) le32_to_cpu(reg_rw->value);
799                 break;
800         }
801         case HostCmd_CMD_RF_REG_ACCESS:
802         {
803                 struct host_cmd_ds_rf_reg_access *rf_reg;
804
805                 cmd->size = cpu_to_le16(sizeof(*rf_reg) + S_DS_GEN);
806                 rf_reg = (struct host_cmd_ds_rf_reg_access *)
807                                                         &cmd->params.rf_reg;
808                 rf_reg->action = cpu_to_le16(cmd_action);
809                 rf_reg->offset = cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
810                 rf_reg->value = (u8) le32_to_cpu(reg_rw->value);
811                 break;
812         }
813         case HostCmd_CMD_PMIC_REG_ACCESS:
814         {
815                 struct host_cmd_ds_pmic_reg_access *pmic_reg;
816
817                 cmd->size = cpu_to_le16(sizeof(*pmic_reg) + S_DS_GEN);
818                 pmic_reg = (struct host_cmd_ds_pmic_reg_access *) &cmd->
819                                 params.pmic_reg;
820                 pmic_reg->action = cpu_to_le16(cmd_action);
821                 pmic_reg->offset =
822                                 cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
823                 pmic_reg->value = (u8) le32_to_cpu(reg_rw->value);
824                 break;
825         }
826         case HostCmd_CMD_CAU_REG_ACCESS:
827         {
828                 struct host_cmd_ds_rf_reg_access *cau_reg;
829
830                 cmd->size = cpu_to_le16(sizeof(*cau_reg) + S_DS_GEN);
831                 cau_reg = (struct host_cmd_ds_rf_reg_access *)
832                                                         &cmd->params.rf_reg;
833                 cau_reg->action = cpu_to_le16(cmd_action);
834                 cau_reg->offset =
835                                 cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
836                 cau_reg->value = (u8) le32_to_cpu(reg_rw->value);
837                 break;
838         }
839         case HostCmd_CMD_802_11_EEPROM_ACCESS:
840         {
841                 struct mwifiex_ds_read_eeprom *rd_eeprom = data_buf;
842                 struct host_cmd_ds_802_11_eeprom_access *cmd_eeprom =
843                         (struct host_cmd_ds_802_11_eeprom_access *)
844                         &cmd->params.eeprom;
845
846                 cmd->size = cpu_to_le16(sizeof(*cmd_eeprom) + S_DS_GEN);
847                 cmd_eeprom->action = cpu_to_le16(cmd_action);
848                 cmd_eeprom->offset = rd_eeprom->offset;
849                 cmd_eeprom->byte_count = rd_eeprom->byte_count;
850                 cmd_eeprom->value = 0;
851                 break;
852         }
853         default:
854                 return -1;
855         }
856
857         return 0;
858 }
859
860 /*
861  * This function prepares command to set PCI-Express
862  * host buffer configuration
863  *
864  * Preparation includes -
865  *      - Setting command ID, action and proper size
866  *      - Setting host buffer configuration
867  *      - Ensuring correct endian-ness
868  */
869 static int
870 mwifiex_cmd_pcie_host_spec(struct mwifiex_private *priv,
871                            struct host_cmd_ds_command *cmd, u16 action)
872 {
873         struct host_cmd_ds_pcie_details *host_spec =
874                                         &cmd->params.pcie_host_spec;
875         struct pcie_service_card *card = priv->adapter->card;
876         phys_addr_t *buf_pa;
877
878         cmd->command = cpu_to_le16(HostCmd_CMD_PCIE_DESC_DETAILS);
879         cmd->size = cpu_to_le16(sizeof(struct
880                                         host_cmd_ds_pcie_details) + S_DS_GEN);
881         cmd->result = 0;
882
883         memset(host_spec, 0, sizeof(struct host_cmd_ds_pcie_details));
884
885         if (action != HostCmd_ACT_GEN_SET)
886                 return 0;
887
888         /* Send the ring base addresses and count to firmware */
889         host_spec->txbd_addr_lo = (u32)(card->txbd_ring_pbase);
890         host_spec->txbd_addr_hi = (u32)(((u64)card->txbd_ring_pbase)>>32);
891         host_spec->txbd_count = MWIFIEX_MAX_TXRX_BD;
892         host_spec->rxbd_addr_lo = (u32)(card->rxbd_ring_pbase);
893         host_spec->rxbd_addr_hi = (u32)(((u64)card->rxbd_ring_pbase)>>32);
894         host_spec->rxbd_count = MWIFIEX_MAX_TXRX_BD;
895         host_spec->evtbd_addr_lo = (u32)(card->evtbd_ring_pbase);
896         host_spec->evtbd_addr_hi = (u32)(((u64)card->evtbd_ring_pbase)>>32);
897         host_spec->evtbd_count = MWIFIEX_MAX_EVT_BD;
898         if (card->sleep_cookie) {
899                 buf_pa = MWIFIEX_SKB_PACB(card->sleep_cookie);
900                 host_spec->sleep_cookie_addr_lo = (u32) *buf_pa;
901                 host_spec->sleep_cookie_addr_hi = (u32) (((u64)*buf_pa) >> 32);
902                 dev_dbg(priv->adapter->dev, "sleep_cook_lo phy addr: 0x%x\n",
903                         host_spec->sleep_cookie_addr_lo);
904         }
905
906         return 0;
907 }
908
909 /*
910  * This function prepares the commands before sending them to the firmware.
911  *
912  * This is a generic function which calls specific command preparation
913  * routines based upon the command number.
914  */
915 int mwifiex_sta_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
916                             u16 cmd_action, u32 cmd_oid,
917                             void *data_buf, void *cmd_buf)
918 {
919         struct host_cmd_ds_command *cmd_ptr = cmd_buf;
920         int ret = 0;
921
922         /* Prepare command */
923         switch (cmd_no) {
924         case HostCmd_CMD_GET_HW_SPEC:
925                 ret = mwifiex_cmd_get_hw_spec(priv, cmd_ptr);
926                 break;
927         case HostCmd_CMD_MAC_CONTROL:
928                 ret = mwifiex_cmd_mac_control(priv, cmd_ptr, cmd_action,
929                                               data_buf);
930                 break;
931         case HostCmd_CMD_802_11_MAC_ADDRESS:
932                 ret = mwifiex_cmd_802_11_mac_address(priv, cmd_ptr,
933                                                      cmd_action);
934                 break;
935         case HostCmd_CMD_MAC_MULTICAST_ADR:
936                 ret = mwifiex_cmd_mac_multicast_adr(cmd_ptr, cmd_action,
937                                                     data_buf);
938                 break;
939         case HostCmd_CMD_TX_RATE_CFG:
940                 ret = mwifiex_cmd_tx_rate_cfg(priv, cmd_ptr, cmd_action,
941                                               data_buf);
942                 break;
943         case HostCmd_CMD_TXPWR_CFG:
944                 ret = mwifiex_cmd_tx_power_cfg(cmd_ptr, cmd_action,
945                                                data_buf);
946                 break;
947         case HostCmd_CMD_802_11_PS_MODE_ENH:
948                 ret = mwifiex_cmd_enh_power_mode(priv, cmd_ptr, cmd_action,
949                                                  (uint16_t)cmd_oid, data_buf);
950                 break;
951         case HostCmd_CMD_802_11_HS_CFG_ENH:
952                 ret = mwifiex_cmd_802_11_hs_cfg(priv, cmd_ptr, cmd_action,
953                                 (struct mwifiex_hs_config_param *) data_buf);
954                 break;
955         case HostCmd_CMD_802_11_SCAN:
956                 ret = mwifiex_cmd_802_11_scan(cmd_ptr, data_buf);
957                 break;
958         case HostCmd_CMD_802_11_BG_SCAN_QUERY:
959                 ret = mwifiex_cmd_802_11_bg_scan_query(cmd_ptr);
960                 break;
961         case HostCmd_CMD_802_11_ASSOCIATE:
962                 ret = mwifiex_cmd_802_11_associate(priv, cmd_ptr, data_buf);
963                 break;
964         case HostCmd_CMD_802_11_DEAUTHENTICATE:
965                 ret = mwifiex_cmd_802_11_deauthenticate(priv, cmd_ptr,
966                                                         data_buf);
967                 break;
968         case HostCmd_CMD_802_11_AD_HOC_START:
969                 ret = mwifiex_cmd_802_11_ad_hoc_start(priv, cmd_ptr,
970                                                       data_buf);
971                 break;
972         case HostCmd_CMD_802_11_GET_LOG:
973                 ret = mwifiex_cmd_802_11_get_log(cmd_ptr);
974                 break;
975         case HostCmd_CMD_802_11_AD_HOC_JOIN:
976                 ret = mwifiex_cmd_802_11_ad_hoc_join(priv, cmd_ptr,
977                                                      data_buf);
978                 break;
979         case HostCmd_CMD_802_11_AD_HOC_STOP:
980                 ret = mwifiex_cmd_802_11_ad_hoc_stop(cmd_ptr);
981                 break;
982         case HostCmd_CMD_RSSI_INFO:
983                 ret = mwifiex_cmd_802_11_rssi_info(priv, cmd_ptr, cmd_action);
984                 break;
985         case HostCmd_CMD_802_11_SNMP_MIB:
986                 ret = mwifiex_cmd_802_11_snmp_mib(priv, cmd_ptr, cmd_action,
987                                                   cmd_oid, data_buf);
988                 break;
989         case HostCmd_CMD_802_11_TX_RATE_QUERY:
990                 cmd_ptr->command =
991                         cpu_to_le16(HostCmd_CMD_802_11_TX_RATE_QUERY);
992                 cmd_ptr->size =
993                         cpu_to_le16(sizeof(struct host_cmd_ds_tx_rate_query) +
994                                     S_DS_GEN);
995                 priv->tx_rate = 0;
996                 ret = 0;
997                 break;
998         case HostCmd_CMD_VERSION_EXT:
999                 cmd_ptr->command = cpu_to_le16(cmd_no);
1000                 cmd_ptr->params.verext.version_str_sel =
1001                         (u8) (*((u32 *) data_buf));
1002                 memcpy(&cmd_ptr->params, data_buf,
1003                        sizeof(struct host_cmd_ds_version_ext));
1004                 cmd_ptr->size =
1005                         cpu_to_le16(sizeof(struct host_cmd_ds_version_ext) +
1006                                     S_DS_GEN);
1007                 ret = 0;
1008                 break;
1009         case HostCmd_CMD_802_11_RF_CHANNEL:
1010                 ret = mwifiex_cmd_802_11_rf_channel(priv, cmd_ptr, cmd_action,
1011                                                     data_buf);
1012                 break;
1013         case HostCmd_CMD_FUNC_INIT:
1014                 if (priv->adapter->hw_status == MWIFIEX_HW_STATUS_RESET)
1015                         priv->adapter->hw_status = MWIFIEX_HW_STATUS_READY;
1016                 cmd_ptr->command = cpu_to_le16(cmd_no);
1017                 cmd_ptr->size = cpu_to_le16(S_DS_GEN);
1018                 break;
1019         case HostCmd_CMD_FUNC_SHUTDOWN:
1020                 priv->adapter->hw_status = MWIFIEX_HW_STATUS_RESET;
1021                 cmd_ptr->command = cpu_to_le16(cmd_no);
1022                 cmd_ptr->size = cpu_to_le16(S_DS_GEN);
1023                 break;
1024         case HostCmd_CMD_11N_ADDBA_REQ:
1025                 ret = mwifiex_cmd_11n_addba_req(cmd_ptr, data_buf);
1026                 break;
1027         case HostCmd_CMD_11N_DELBA:
1028                 ret = mwifiex_cmd_11n_delba(cmd_ptr, data_buf);
1029                 break;
1030         case HostCmd_CMD_11N_ADDBA_RSP:
1031                 ret = mwifiex_cmd_11n_addba_rsp_gen(priv, cmd_ptr, data_buf);
1032                 break;
1033         case HostCmd_CMD_802_11_KEY_MATERIAL:
1034                 ret = mwifiex_cmd_802_11_key_material(priv, cmd_ptr,
1035                                                       cmd_action, cmd_oid,
1036                                                       data_buf);
1037                 break;
1038         case HostCmd_CMD_802_11D_DOMAIN_INFO:
1039                 ret = mwifiex_cmd_802_11d_domain_info(priv, cmd_ptr,
1040                                                       cmd_action);
1041                 break;
1042         case HostCmd_CMD_RECONFIGURE_TX_BUFF:
1043                 ret = mwifiex_cmd_recfg_tx_buf(priv, cmd_ptr, cmd_action,
1044                                                data_buf);
1045                 break;
1046         case HostCmd_CMD_AMSDU_AGGR_CTRL:
1047                 ret = mwifiex_cmd_amsdu_aggr_ctrl(cmd_ptr, cmd_action,
1048                                                   data_buf);
1049                 break;
1050         case HostCmd_CMD_11N_CFG:
1051                 ret = mwifiex_cmd_11n_cfg(cmd_ptr, cmd_action, data_buf);
1052                 break;
1053         case HostCmd_CMD_WMM_GET_STATUS:
1054                 dev_dbg(priv->adapter->dev,
1055                         "cmd: WMM: WMM_GET_STATUS cmd sent\n");
1056                 cmd_ptr->command = cpu_to_le16(HostCmd_CMD_WMM_GET_STATUS);
1057                 cmd_ptr->size =
1058                         cpu_to_le16(sizeof(struct host_cmd_ds_wmm_get_status) +
1059                                     S_DS_GEN);
1060                 ret = 0;
1061                 break;
1062         case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
1063                 ret = mwifiex_cmd_ibss_coalescing_status(cmd_ptr, cmd_action,
1064                                                          data_buf);
1065                 break;
1066         case HostCmd_CMD_MAC_REG_ACCESS:
1067         case HostCmd_CMD_BBP_REG_ACCESS:
1068         case HostCmd_CMD_RF_REG_ACCESS:
1069         case HostCmd_CMD_PMIC_REG_ACCESS:
1070         case HostCmd_CMD_CAU_REG_ACCESS:
1071         case HostCmd_CMD_802_11_EEPROM_ACCESS:
1072                 ret = mwifiex_cmd_reg_access(cmd_ptr, cmd_action, data_buf);
1073                 break;
1074         case HostCmd_CMD_SET_BSS_MODE:
1075                 cmd_ptr->command = cpu_to_le16(cmd_no);
1076                 if (priv->bss_mode == NL80211_IFTYPE_ADHOC)
1077                         cmd_ptr->params.bss_mode.con_type =
1078                                 CONNECTION_TYPE_ADHOC;
1079                 else if (priv->bss_mode == NL80211_IFTYPE_STATION)
1080                         cmd_ptr->params.bss_mode.con_type =
1081                                 CONNECTION_TYPE_INFRA;
1082                 cmd_ptr->size = cpu_to_le16(sizeof(struct
1083                                 host_cmd_ds_set_bss_mode) + S_DS_GEN);
1084                 ret = 0;
1085                 break;
1086         case HostCmd_CMD_PCIE_DESC_DETAILS:
1087                 ret = mwifiex_cmd_pcie_host_spec(priv, cmd_ptr, cmd_action);
1088                 break;
1089         default:
1090                 dev_err(priv->adapter->dev,
1091                         "PREP_CMD: unknown cmd- %#x\n", cmd_no);
1092                 ret = -1;
1093                 break;
1094         }
1095         return ret;
1096 }
1097
1098 /*
1099  * This function issues commands to initialize firmware.
1100  *
1101  * This is called after firmware download to bring the card to
1102  * working state.
1103  *
1104  * The following commands are issued sequentially -
1105  *      - Set PCI-Express host buffer configuration (PCIE only)
1106  *      - Function init (for first interface only)
1107  *      - Read MAC address (for first interface only)
1108  *      - Reconfigure Tx buffer size (for first interface only)
1109  *      - Enable auto deep sleep (for first interface only)
1110  *      - Get Tx rate
1111  *      - Get Tx power
1112  *      - Set IBSS coalescing status
1113  *      - Set AMSDU aggregation control
1114  *      - Set 11d control
1115  *      - Set MAC control (this must be the last command to initialize firmware)
1116  */
1117 int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta)
1118 {
1119         int ret;
1120         u16 enable = true;
1121         struct mwifiex_ds_11n_amsdu_aggr_ctrl amsdu_aggr_ctrl;
1122         struct mwifiex_ds_auto_ds auto_ds;
1123         enum state_11d_t state_11d;
1124         struct mwifiex_ds_11n_tx_cfg tx_cfg;
1125
1126         if (first_sta) {
1127                 if (priv->adapter->iface_type == MWIFIEX_PCIE) {
1128                         ret = mwifiex_send_cmd_async(priv,
1129                                                 HostCmd_CMD_PCIE_DESC_DETAILS,
1130                                                 HostCmd_ACT_GEN_SET, 0, NULL);
1131                         if (ret)
1132                                 return -1;
1133                 }
1134
1135                 ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_FUNC_INIT,
1136                                              HostCmd_ACT_GEN_SET, 0, NULL);
1137                 if (ret)
1138                         return -1;
1139                 /* Read MAC address from HW */
1140                 ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_GET_HW_SPEC,
1141                                              HostCmd_ACT_GEN_GET, 0, NULL);
1142                 if (ret)
1143                         return -1;
1144
1145                 /* Reconfigure tx buf size */
1146                 ret = mwifiex_send_cmd_async(priv,
1147                                              HostCmd_CMD_RECONFIGURE_TX_BUFF,
1148                                              HostCmd_ACT_GEN_SET, 0,
1149                                              &priv->adapter->tx_buf_size);
1150                 if (ret)
1151                         return -1;
1152
1153                 /* Enable IEEE PS by default */
1154                 priv->adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
1155                 ret = mwifiex_send_cmd_async(priv,
1156                                              HostCmd_CMD_802_11_PS_MODE_ENH,
1157                                              EN_AUTO_PS, BITMAP_STA_PS, NULL);
1158                 if (ret)
1159                         return -1;
1160         }
1161
1162         /* get tx rate */
1163         ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_TX_RATE_CFG,
1164                                      HostCmd_ACT_GEN_GET, 0, NULL);
1165         if (ret)
1166                 return -1;
1167         priv->data_rate = 0;
1168
1169         /* get tx power */
1170         ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_TXPWR_CFG,
1171                                      HostCmd_ACT_GEN_GET, 0, NULL);
1172         if (ret)
1173                 return -1;
1174
1175         /* set ibss coalescing_status */
1176         ret = mwifiex_send_cmd_async(priv,
1177                                      HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
1178                                      HostCmd_ACT_GEN_SET, 0, &enable);
1179         if (ret)
1180                 return -1;
1181
1182         memset(&amsdu_aggr_ctrl, 0, sizeof(amsdu_aggr_ctrl));
1183         amsdu_aggr_ctrl.enable = true;
1184         /* Send request to firmware */
1185         ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_AMSDU_AGGR_CTRL,
1186                                      HostCmd_ACT_GEN_SET, 0,
1187                                      &amsdu_aggr_ctrl);
1188         if (ret)
1189                 return -1;
1190         /* MAC Control must be the last command in init_fw */
1191         /* set MAC Control */
1192         ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL,
1193                                      HostCmd_ACT_GEN_SET, 0,
1194                                      &priv->curr_pkt_filter);
1195         if (ret)
1196                 return -1;
1197
1198         if (first_sta) {
1199                 /* Enable auto deep sleep */
1200                 auto_ds.auto_ds = DEEP_SLEEP_ON;
1201                 auto_ds.idle_time = DEEP_SLEEP_IDLE_TIME;
1202                 ret = mwifiex_send_cmd_async(priv,
1203                                              HostCmd_CMD_802_11_PS_MODE_ENH,
1204                                              EN_AUTO_PS, BITMAP_AUTO_DS,
1205                                              &auto_ds);
1206                 if (ret)
1207                         return -1;
1208         }
1209
1210         /* Send cmd to FW to enable/disable 11D function */
1211         state_11d = ENABLE_11D;
1212         ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11_SNMP_MIB,
1213                                      HostCmd_ACT_GEN_SET, DOT11D_I, &state_11d);
1214         if (ret)
1215                 dev_err(priv->adapter->dev, "11D: failed to enable 11D\n");
1216
1217         /* Send cmd to FW to configure 11n specific configuration
1218          * (Short GI, Channel BW, Green field support etc.) for transmit
1219          */
1220         tx_cfg.tx_htcap = MWIFIEX_FW_DEF_HTTXCFG;
1221         ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_11N_CFG,
1222                                      HostCmd_ACT_GEN_SET, 0, &tx_cfg);
1223
1224         /* set last_init_cmd */
1225         priv->adapter->last_init_cmd = HostCmd_CMD_11N_CFG;
1226         ret = -EINPROGRESS;
1227
1228         return ret;
1229 }