mwifiex: remove MWIFIEX_BSS_MODE_ macros
[linux-2.6.git] / drivers / net / wireless / mwifiex / sta_cmdresp.c
1 /*
2  * Marvell Wireless LAN device driver: station command response handling
3  *
4  * Copyright (C) 2011, Marvell International Ltd.
5  *
6  * This software file (the "File") is distributed by Marvell International
7  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8  * (the "License").  You may use, redistribute and/or modify this File in
9  * accordance with the terms and conditions of the License, a copy of which
10  * is available by writing to the Free Software Foundation, Inc.,
11  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12  * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
13  *
14  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
17  * this warranty disclaimer.
18  */
19
20 #include "decl.h"
21 #include "ioctl.h"
22 #include "util.h"
23 #include "fw.h"
24 #include "main.h"
25 #include "wmm.h"
26 #include "11n.h"
27
28
29 /*
30  * This function handles the command response error case.
31  *
32  * For scan response error, the function cancels all the pending
33  * scan commands and generates an event to inform the applications
34  * of the scan completion.
35  *
36  * For Power Save command failure, we do not retry enter PS
37  * command in case of Ad-hoc mode.
38  *
39  * For all other response errors, the current command buffer is freed
40  * and returned to the free command queue.
41  */
42 static void
43 mwifiex_process_cmdresp_error(struct mwifiex_private *priv,
44                               struct host_cmd_ds_command *resp,
45                               struct mwifiex_wait_queue *wq_buf)
46 {
47         struct cmd_ctrl_node *cmd_node = NULL, *tmp_node = NULL;
48         struct mwifiex_adapter *adapter = priv->adapter;
49         unsigned long flags;
50
51         dev_err(adapter->dev, "CMD_RESP: cmd %#x error, result=%#x\n",
52                         resp->command, resp->result);
53         if (wq_buf)
54                 wq_buf->status = MWIFIEX_ERROR_FW_CMDRESP;
55
56         switch (le16_to_cpu(resp->command)) {
57         case HostCmd_CMD_802_11_PS_MODE_ENH:
58                 {
59                         struct host_cmd_ds_802_11_ps_mode_enh *pm =
60                                 &resp->params.psmode_enh;
61                         dev_err(adapter->dev, "PS_MODE_ENH cmd failed: "
62                                 "result=0x%x action=0x%X\n",
63                                 resp->result, le16_to_cpu(pm->action));
64                         /* We do not re-try enter-ps command in ad-hoc mode. */
65                         if (le16_to_cpu(pm->action) == EN_AUTO_PS &&
66                                 (le16_to_cpu(pm->params.auto_ps.ps_bitmap) &
67                                  BITMAP_STA_PS)
68                                 && priv->bss_mode == NL80211_IFTYPE_ADHOC)
69                                 adapter->ps_mode =
70                                         MWIFIEX_802_11_POWER_MODE_CAM;
71                 }
72                 break;
73         case HostCmd_CMD_802_11_SCAN:
74                 /* Cancel all pending scan command */
75                 spin_lock_irqsave(&adapter->scan_pending_q_lock, flags);
76                 list_for_each_entry_safe(cmd_node, tmp_node,
77                                          &adapter->scan_pending_q, list) {
78                         list_del(&cmd_node->list);
79                         spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
80                                                flags);
81                         mwifiex_insert_cmd_to_free_q(adapter, cmd_node);
82                         spin_lock_irqsave(&adapter->scan_pending_q_lock, flags);
83                 }
84                 spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags);
85
86                 spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
87                 adapter->scan_processing = false;
88                 spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
89                 if (priv->report_scan_result)
90                         priv->report_scan_result = false;
91                 if (priv->scan_pending_on_block) {
92                         priv->scan_pending_on_block = false;
93                         up(&priv->async_sem);
94                 }
95                 break;
96
97         case HostCmd_CMD_MAC_CONTROL:
98                 break;
99
100         default:
101                 break;
102         }
103         /* Handling errors here */
104         mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd);
105
106         spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
107         adapter->curr_cmd = NULL;
108         spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
109
110         return;
111 }
112
113 /*
114  * This function handles the command response of get RSSI info.
115  *
116  * Handling includes changing the header fields into CPU format
117  * and saving the following parameters in driver -
118  *      - Last data and beacon RSSI value
119  *      - Average data and beacon RSSI value
120  *      - Last data and beacon NF value
121  *      - Average data and beacon NF value
122  *
123  * The parameters are send to the application as well, along with
124  * calculated SNR values.
125  */
126 static int mwifiex_ret_802_11_rssi_info(struct mwifiex_private *priv,
127                                         struct host_cmd_ds_command *resp,
128                                         void *data_buf)
129 {
130         struct host_cmd_ds_802_11_rssi_info_rsp *rssi_info_rsp =
131                 &resp->params.rssi_info_rsp;
132         struct mwifiex_ds_get_signal *signal = NULL;
133
134         priv->data_rssi_last = le16_to_cpu(rssi_info_rsp->data_rssi_last);
135         priv->data_nf_last = le16_to_cpu(rssi_info_rsp->data_nf_last);
136
137         priv->data_rssi_avg = le16_to_cpu(rssi_info_rsp->data_rssi_avg);
138         priv->data_nf_avg = le16_to_cpu(rssi_info_rsp->data_nf_avg);
139
140         priv->bcn_rssi_last = le16_to_cpu(rssi_info_rsp->bcn_rssi_last);
141         priv->bcn_nf_last = le16_to_cpu(rssi_info_rsp->bcn_nf_last);
142
143         priv->bcn_rssi_avg = le16_to_cpu(rssi_info_rsp->bcn_rssi_avg);
144         priv->bcn_nf_avg = le16_to_cpu(rssi_info_rsp->bcn_nf_avg);
145
146         /* Need to indicate IOCTL complete */
147         if (data_buf) {
148                 signal = (struct mwifiex_ds_get_signal *) data_buf;
149                 memset(signal, 0, sizeof(struct mwifiex_ds_get_signal));
150
151                 signal->selector = ALL_RSSI_INFO_MASK;
152
153                 /* RSSI */
154                 signal->bcn_rssi_last = priv->bcn_rssi_last;
155                 signal->bcn_rssi_avg = priv->bcn_rssi_avg;
156                 signal->data_rssi_last = priv->data_rssi_last;
157                 signal->data_rssi_avg = priv->data_rssi_avg;
158
159                 /* SNR */
160                 signal->bcn_snr_last =
161                         CAL_SNR(priv->bcn_rssi_last, priv->bcn_nf_last);
162                 signal->bcn_snr_avg =
163                         CAL_SNR(priv->bcn_rssi_avg, priv->bcn_nf_avg);
164                 signal->data_snr_last =
165                         CAL_SNR(priv->data_rssi_last, priv->data_nf_last);
166                 signal->data_snr_avg =
167                         CAL_SNR(priv->data_rssi_avg, priv->data_nf_avg);
168
169                 /* NF */
170                 signal->bcn_nf_last = priv->bcn_nf_last;
171                 signal->bcn_nf_avg = priv->bcn_nf_avg;
172                 signal->data_nf_last = priv->data_nf_last;
173                 signal->data_nf_avg = priv->data_nf_avg;
174         }
175
176         return 0;
177 }
178
179 /*
180  * This function handles the command response of set/get SNMP
181  * MIB parameters.
182  *
183  * Handling includes changing the header fields into CPU format
184  * and saving the parameter in driver.
185  *
186  * The following parameters are supported -
187  *      - Fragmentation threshold
188  *      - RTS threshold
189  *      - Short retry limit
190  */
191 static int mwifiex_ret_802_11_snmp_mib(struct mwifiex_private *priv,
192                                        struct host_cmd_ds_command *resp,
193                                        void *data_buf)
194 {
195         struct host_cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
196         u16 oid = le16_to_cpu(smib->oid);
197         u16 query_type = le16_to_cpu(smib->query_type);
198         u32 ul_temp;
199
200         dev_dbg(priv->adapter->dev, "info: SNMP_RESP: oid value = %#x,"
201                         " query_type = %#x, buf size = %#x\n",
202                         oid, query_type, le16_to_cpu(smib->buf_size));
203         if (query_type == HostCmd_ACT_GEN_GET) {
204                 ul_temp = le16_to_cpu(*((__le16 *) (smib->value)));
205                 if (data_buf)
206                         *(u32 *)data_buf = ul_temp;
207                 switch (oid) {
208                 case FRAG_THRESH_I:
209                         dev_dbg(priv->adapter->dev,
210                                 "info: SNMP_RESP: FragThsd =%u\n", ul_temp);
211                         break;
212                 case RTS_THRESH_I:
213                         dev_dbg(priv->adapter->dev,
214                                 "info: SNMP_RESP: RTSThsd =%u\n", ul_temp);
215                         break;
216                 case SHORT_RETRY_LIM_I:
217                         dev_dbg(priv->adapter->dev,
218                                 "info: SNMP_RESP: TxRetryCount=%u\n", ul_temp);
219                         break;
220                 default:
221                         break;
222                 }
223         }
224
225         return 0;
226 }
227
228 /*
229  * This function handles the command response of get log request
230  *
231  * Handling includes changing the header fields into CPU format
232  * and sending the received parameters to application.
233  */
234 static int mwifiex_ret_get_log(struct mwifiex_private *priv,
235                                struct host_cmd_ds_command *resp,
236                                void *data_buf)
237 {
238         struct host_cmd_ds_802_11_get_log *get_log =
239                 (struct host_cmd_ds_802_11_get_log *) &resp->params.get_log;
240         struct mwifiex_ds_get_stats *stats = NULL;
241
242         if (data_buf) {
243                 stats = (struct mwifiex_ds_get_stats *) data_buf;
244                 stats->mcast_tx_frame = le32_to_cpu(get_log->mcast_tx_frame);
245                 stats->failed = le32_to_cpu(get_log->failed);
246                 stats->retry = le32_to_cpu(get_log->retry);
247                 stats->multi_retry = le32_to_cpu(get_log->multi_retry);
248                 stats->frame_dup = le32_to_cpu(get_log->frame_dup);
249                 stats->rts_success = le32_to_cpu(get_log->rts_success);
250                 stats->rts_failure = le32_to_cpu(get_log->rts_failure);
251                 stats->ack_failure = le32_to_cpu(get_log->ack_failure);
252                 stats->rx_frag = le32_to_cpu(get_log->rx_frag);
253                 stats->mcast_rx_frame = le32_to_cpu(get_log->mcast_rx_frame);
254                 stats->fcs_error = le32_to_cpu(get_log->fcs_error);
255                 stats->tx_frame = le32_to_cpu(get_log->tx_frame);
256                 stats->wep_icv_error[0] =
257                         le32_to_cpu(get_log->wep_icv_err_cnt[0]);
258                 stats->wep_icv_error[1] =
259                         le32_to_cpu(get_log->wep_icv_err_cnt[1]);
260                 stats->wep_icv_error[2] =
261                         le32_to_cpu(get_log->wep_icv_err_cnt[2]);
262                 stats->wep_icv_error[3] =
263                         le32_to_cpu(get_log->wep_icv_err_cnt[3]);
264         }
265
266         return 0;
267 }
268
269 /*
270  * This function handles the command response of set/get Tx rate
271  * configurations.
272  *
273  * Handling includes changing the header fields into CPU format
274  * and saving the following parameters in driver -
275  *      - DSSS rate bitmap
276  *      - OFDM rate bitmap
277  *      - HT MCS rate bitmaps
278  *
279  * Based on the new rate bitmaps, the function re-evaluates if
280  * auto data rate has been activated. If not, it sends another
281  * query to the firmware to get the current Tx data rate and updates
282  * the driver value.
283  */
284 static int mwifiex_ret_tx_rate_cfg(struct mwifiex_private *priv,
285                                    struct host_cmd_ds_command *resp,
286                                    void *data_buf)
287 {
288         struct mwifiex_adapter *adapter = priv->adapter;
289         struct mwifiex_rate_cfg *ds_rate = NULL;
290         struct host_cmd_ds_tx_rate_cfg *rate_cfg = &resp->params.tx_rate_cfg;
291         struct mwifiex_rate_scope *rate_scope;
292         struct mwifiex_ie_types_header *head = NULL;
293         u16 tlv, tlv_buf_len;
294         u8 *tlv_buf;
295         u32 i;
296         int ret = 0;
297
298         tlv_buf = (u8 *) ((u8 *) rate_cfg) +
299                         sizeof(struct host_cmd_ds_tx_rate_cfg);
300         tlv_buf_len = *(u16 *) (tlv_buf + sizeof(u16));
301
302         while (tlv_buf && tlv_buf_len > 0) {
303                 tlv = (*tlv_buf);
304                 tlv = tlv | (*(tlv_buf + 1) << 8);
305
306                 switch (tlv) {
307                 case TLV_TYPE_RATE_SCOPE:
308                         rate_scope = (struct mwifiex_rate_scope *) tlv_buf;
309                         priv->bitmap_rates[0] =
310                                 le16_to_cpu(rate_scope->hr_dsss_rate_bitmap);
311                         priv->bitmap_rates[1] =
312                                 le16_to_cpu(rate_scope->ofdm_rate_bitmap);
313                         for (i = 0;
314                              i <
315                              sizeof(rate_scope->ht_mcs_rate_bitmap) /
316                              sizeof(u16); i++)
317                                 priv->bitmap_rates[2 + i] =
318                                         le16_to_cpu(rate_scope->
319                                                     ht_mcs_rate_bitmap[i]);
320                         break;
321                         /* Add RATE_DROP tlv here */
322                 }
323
324                 head = (struct mwifiex_ie_types_header *) tlv_buf;
325                 tlv_buf += le16_to_cpu(head->len) + sizeof(*head);
326                 tlv_buf_len -= le16_to_cpu(head->len);
327         }
328
329         priv->is_data_rate_auto = mwifiex_is_rate_auto(priv);
330
331         if (priv->is_data_rate_auto)
332                 priv->data_rate = 0;
333         else
334                 ret = mwifiex_prepare_cmd(priv,
335                                           HostCmd_CMD_802_11_TX_RATE_QUERY,
336                                           HostCmd_ACT_GEN_GET, 0, NULL, NULL);
337
338         if (data_buf) {
339                 ds_rate = (struct mwifiex_rate_cfg *) data_buf;
340                 if (le16_to_cpu(rate_cfg->action) == HostCmd_ACT_GEN_GET) {
341                         if (priv->is_data_rate_auto) {
342                                 ds_rate->is_rate_auto = 1;
343                         } else {
344                                 ds_rate->rate =
345                                         mwifiex_get_rate_index(adapter,
346                                                                priv->
347                                                                bitmap_rates,
348                                                                sizeof(priv->
349                                                                bitmap_rates));
350                                 if (ds_rate->rate >=
351                                     MWIFIEX_RATE_BITMAP_OFDM0
352                                     && ds_rate->rate <=
353                                     MWIFIEX_RATE_BITMAP_OFDM7)
354                                         ds_rate->rate -=
355                                                 (MWIFIEX_RATE_BITMAP_OFDM0 -
356                                                  MWIFIEX_RATE_INDEX_OFDM0);
357                                 if (ds_rate->rate >=
358                                     MWIFIEX_RATE_BITMAP_MCS0
359                                     && ds_rate->rate <=
360                                     MWIFIEX_RATE_BITMAP_MCS127)
361                                         ds_rate->rate -=
362                                                 (MWIFIEX_RATE_BITMAP_MCS0 -
363                                                  MWIFIEX_RATE_INDEX_MCS0);
364                         }
365                 }
366         }
367
368         return ret;
369 }
370
371 /*
372  * This function handles the command response of get Tx power level.
373  *
374  * Handling includes saving the maximum and minimum Tx power levels
375  * in driver, as well as sending the values to user.
376  */
377 static int mwifiex_get_power_level(struct mwifiex_private *priv, void *data_buf)
378 {
379         int length = -1, max_power = -1, min_power = -1;
380         struct mwifiex_types_power_group *pg_tlv_hdr = NULL;
381         struct mwifiex_power_group *pg = NULL;
382
383         if (data_buf) {
384                 pg_tlv_hdr =
385                         (struct mwifiex_types_power_group *) ((u8 *) data_buf
386                                         + sizeof(struct host_cmd_ds_txpwr_cfg));
387                 pg = (struct mwifiex_power_group *) ((u8 *) pg_tlv_hdr +
388                                 sizeof(struct mwifiex_types_power_group));
389                 length = pg_tlv_hdr->length;
390                 if (length > 0) {
391                         max_power = pg->power_max;
392                         min_power = pg->power_min;
393                         length -= sizeof(struct mwifiex_power_group);
394                 }
395                 while (length) {
396                         pg++;
397                         if (max_power < pg->power_max)
398                                 max_power = pg->power_max;
399
400                         if (min_power > pg->power_min)
401                                 min_power = pg->power_min;
402
403                         length -= sizeof(struct mwifiex_power_group);
404                 }
405                 if (pg_tlv_hdr->length > 0) {
406                         priv->min_tx_power_level = (u8) min_power;
407                         priv->max_tx_power_level = (u8) max_power;
408                 }
409         } else {
410                 return -1;
411         }
412
413         return 0;
414 }
415
416 /*
417  * This function handles the command response of set/get Tx power
418  * configurations.
419  *
420  * Handling includes changing the header fields into CPU format
421  * and saving the current Tx power level in driver.
422  */
423 static int mwifiex_ret_tx_power_cfg(struct mwifiex_private *priv,
424                                     struct host_cmd_ds_command *resp,
425                                     void *data_buf)
426 {
427         struct mwifiex_adapter *adapter = priv->adapter;
428         struct host_cmd_ds_txpwr_cfg *txp_cfg = &resp->params.txp_cfg;
429         struct mwifiex_types_power_group *pg_tlv_hdr = NULL;
430         struct mwifiex_power_group *pg = NULL;
431         u16 action = le16_to_cpu(txp_cfg->action);
432
433         switch (action) {
434         case HostCmd_ACT_GEN_GET:
435                 {
436                         pg_tlv_hdr =
437                                 (struct mwifiex_types_power_group *) ((u8 *)
438                                                 txp_cfg +
439                                                 sizeof
440                                                 (struct
441                                                  host_cmd_ds_txpwr_cfg));
442                         pg = (struct mwifiex_power_group *) ((u8 *)
443                                                 pg_tlv_hdr +
444                                                 sizeof(struct
445                                                 mwifiex_types_power_group));
446                         if (adapter->hw_status ==
447                             MWIFIEX_HW_STATUS_INITIALIZING)
448                                 mwifiex_get_power_level(priv, txp_cfg);
449                         priv->tx_power_level = (u16) pg->power_min;
450                         break;
451                 }
452         case HostCmd_ACT_GEN_SET:
453                 if (le32_to_cpu(txp_cfg->mode)) {
454                         pg_tlv_hdr =
455                                 (struct mwifiex_types_power_group *) ((u8 *)
456                                                 txp_cfg +
457                                                 sizeof
458                                                 (struct
459                                                  host_cmd_ds_txpwr_cfg));
460                         pg = (struct mwifiex_power_group *) ((u8 *) pg_tlv_hdr
461                                                 +
462                                                 sizeof(struct
463                                                 mwifiex_types_power_group));
464                         if (pg->power_max == pg->power_min)
465                                 priv->tx_power_level = (u16) pg->power_min;
466                 }
467                 break;
468         default:
469                 dev_err(adapter->dev, "CMD_RESP: unknown cmd action %d\n",
470                                 action);
471                 return 0;
472         }
473         dev_dbg(adapter->dev,
474                 "info: Current TxPower Level = %d, Max Power=%d, Min Power=%d\n",
475                priv->tx_power_level, priv->max_tx_power_level,
476                priv->min_tx_power_level);
477
478         return 0;
479 }
480
481 /*
482  * This function handles the command response of set/get MAC address.
483  *
484  * Handling includes saving the MAC address in driver.
485  */
486 static int mwifiex_ret_802_11_mac_address(struct mwifiex_private *priv,
487                                           struct host_cmd_ds_command *resp)
488 {
489         struct host_cmd_ds_802_11_mac_address *cmd_mac_addr =
490                 &resp->params.mac_addr;
491
492         memcpy(priv->curr_addr, cmd_mac_addr->mac_addr, ETH_ALEN);
493
494         dev_dbg(priv->adapter->dev,
495                 "info: set mac address: %pM\n", priv->curr_addr);
496
497         return 0;
498 }
499
500 /*
501  * This function handles the command response of set/get MAC multicast
502  * address.
503  */
504 static int mwifiex_ret_mac_multicast_adr(struct mwifiex_private *priv,
505                                          struct host_cmd_ds_command *resp)
506 {
507         return 0;
508 }
509
510 /*
511  * This function handles the command response of get Tx rate query.
512  *
513  * Handling includes changing the header fields into CPU format
514  * and saving the Tx rate and HT information parameters in driver.
515  *
516  * Both rate configuration and current data rate can be retrieved
517  * with this request.
518  */
519 static int mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private *priv,
520                                             struct host_cmd_ds_command *resp)
521 {
522         struct mwifiex_adapter *adapter = priv->adapter;
523
524         priv->tx_rate = resp->params.tx_rate.tx_rate;
525         priv->tx_htinfo = resp->params.tx_rate.ht_info;
526         if (!priv->is_data_rate_auto)
527                 priv->data_rate =
528                         mwifiex_index_to_data_rate(adapter, priv->tx_rate,
529                                                    priv->tx_htinfo);
530
531         return 0;
532 }
533
534 /*
535  * This function handles the command response of a deauthenticate
536  * command.
537  *
538  * If the deauthenticated MAC matches the current BSS MAC, the connection
539  * state is reset.
540  */
541 static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv,
542                                              struct host_cmd_ds_command *resp)
543 {
544         struct mwifiex_adapter *adapter = priv->adapter;
545
546         adapter->dbg.num_cmd_deauth++;
547         if (!memcmp(resp->params.deauth.mac_addr,
548                     &priv->curr_bss_params.bss_descriptor.mac_address,
549                     sizeof(resp->params.deauth.mac_addr)))
550                 mwifiex_reset_connect_state(priv);
551
552         return 0;
553 }
554
555 /*
556  * This function handles the command response of ad-hoc stop.
557  *
558  * The function resets the connection state in driver.
559  */
560 static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv,
561                                           struct host_cmd_ds_command *resp)
562 {
563         mwifiex_reset_connect_state(priv);
564         return 0;
565 }
566
567 /*
568  * This function handles the command response of set/get key material.
569  *
570  * Handling includes updating the driver parameters to reflect the
571  * changes.
572  */
573 static int mwifiex_ret_802_11_key_material(struct mwifiex_private *priv,
574                                            struct host_cmd_ds_command *resp)
575 {
576         struct host_cmd_ds_802_11_key_material *key =
577                 &resp->params.key_material;
578
579         if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) {
580                 if ((le16_to_cpu(key->key_param_set.key_info) &
581                      KEY_INFO_TKIP_MCAST)) {
582                         dev_dbg(priv->adapter->dev, "info: key: GTK is set\n");
583                         priv->wpa_is_gtk_set = true;
584                         priv->scan_block = false;
585                 }
586         }
587
588         memset(priv->aes_key.key_param_set.key, 0,
589                sizeof(key->key_param_set.key));
590         priv->aes_key.key_param_set.key_len = key->key_param_set.key_len;
591         memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key,
592                le16_to_cpu(priv->aes_key.key_param_set.key_len));
593
594         return 0;
595 }
596
597 /*
598  * This function handles the command response of get 11d domain information.
599  */
600 static int mwifiex_ret_802_11d_domain_info(struct mwifiex_private *priv,
601                                            struct host_cmd_ds_command *resp)
602 {
603         struct host_cmd_ds_802_11d_domain_info_rsp *domain_info =
604                 &resp->params.domain_info_resp;
605         struct mwifiex_ietypes_domain_param_set *domain = &domain_info->domain;
606         u16 action = le16_to_cpu(domain_info->action);
607         u8 no_of_triplet = 0;
608
609         no_of_triplet = (u8) ((le16_to_cpu(domain->header.len) -
610                                         IEEE80211_COUNTRY_STRING_LEN) /
611                                 sizeof(struct ieee80211_country_ie_triplet));
612
613         dev_dbg(priv->adapter->dev, "info: 11D Domain Info Resp:"
614                         " no_of_triplet=%d\n", no_of_triplet);
615
616         if (no_of_triplet > MWIFIEX_MAX_TRIPLET_802_11D) {
617                 dev_warn(priv->adapter->dev,
618                         "11D: invalid number of triplets %d "
619                         "returned!!\n", no_of_triplet);
620                 return -1;
621         }
622
623         switch (action) {
624         case HostCmd_ACT_GEN_SET:  /* Proc Set Action */
625                 break;
626         case HostCmd_ACT_GEN_GET:
627                 break;
628         default:
629                 dev_err(priv->adapter->dev,
630                         "11D: invalid action:%d\n", domain_info->action);
631                 return -1;
632         }
633
634         return 0;
635 }
636
637 /*
638  * This function handles the command response of get RF channel.
639  *
640  * Handling includes changing the header fields into CPU format
641  * and saving the new channel in driver.
642  */
643 static int mwifiex_ret_802_11_rf_channel(struct mwifiex_private *priv,
644                                          struct host_cmd_ds_command *resp,
645                                          void *data_buf)
646 {
647         struct host_cmd_ds_802_11_rf_channel *rf_channel =
648                 &resp->params.rf_channel;
649         u16 new_channel = le16_to_cpu(rf_channel->current_channel);
650
651         if (priv->curr_bss_params.bss_descriptor.channel != new_channel) {
652                 dev_dbg(priv->adapter->dev, "cmd: Channel Switch: %d to %d\n",
653                        priv->curr_bss_params.bss_descriptor.channel,
654                        new_channel);
655                 /* Update the channel again */
656                 priv->curr_bss_params.bss_descriptor.channel = new_channel;
657         }
658         if (data_buf)
659                 *((u16 *)data_buf) = new_channel;
660
661         return 0;
662 }
663
664 /*
665  * This function handles the command response of get extended version.
666  *
667  * Handling includes forming the extended version string and sending it
668  * to application.
669  */
670 static int mwifiex_ret_ver_ext(struct mwifiex_private *priv,
671                                struct host_cmd_ds_command *resp,
672                                void *data_buf)
673 {
674         struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext;
675         struct host_cmd_ds_version_ext *version_ext = NULL;
676
677         if (data_buf) {
678                 version_ext = (struct host_cmd_ds_version_ext *)data_buf;
679                 version_ext->version_str_sel = ver_ext->version_str_sel;
680                 memcpy(version_ext->version_str, ver_ext->version_str,
681                        sizeof(char) * 128);
682                 memcpy(priv->version_str, ver_ext->version_str, 128);
683         }
684         return 0;
685 }
686
687 /*
688  * This function handles the command response of register access.
689  *
690  * The register value and offset are returned to the user. For EEPROM
691  * access, the byte count is also returned.
692  */
693 static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp,
694                                   void *data_buf)
695 {
696         struct mwifiex_ds_reg_rw *reg_rw = NULL;
697         struct mwifiex_ds_read_eeprom *eeprom = NULL;
698
699         if (data_buf) {
700                 reg_rw = (struct mwifiex_ds_reg_rw *) data_buf;
701                 eeprom = (struct mwifiex_ds_read_eeprom *) data_buf;
702                 switch (type) {
703                 case HostCmd_CMD_MAC_REG_ACCESS:
704                         {
705                                 struct host_cmd_ds_mac_reg_access *reg;
706                                 reg = (struct host_cmd_ds_mac_reg_access *)
707                                         &resp->params.mac_reg;
708                                 reg_rw->offset = cpu_to_le32(
709                                         (u32) le16_to_cpu(reg->offset));
710                                 reg_rw->value = reg->value;
711                                 break;
712                         }
713                 case HostCmd_CMD_BBP_REG_ACCESS:
714                         {
715                                 struct host_cmd_ds_bbp_reg_access *reg;
716                                 reg = (struct host_cmd_ds_bbp_reg_access *)
717                                         &resp->params.bbp_reg;
718                                 reg_rw->offset = cpu_to_le32(
719                                         (u32) le16_to_cpu(reg->offset));
720                                 reg_rw->value = cpu_to_le32((u32) reg->value);
721                                 break;
722                         }
723
724                 case HostCmd_CMD_RF_REG_ACCESS:
725                         {
726                                 struct host_cmd_ds_rf_reg_access *reg;
727                                 reg = (struct host_cmd_ds_rf_reg_access *)
728                                         &resp->params.rf_reg;
729                                 reg_rw->offset = cpu_to_le32(
730                                         (u32) le16_to_cpu(reg->offset));
731                                 reg_rw->value = cpu_to_le32((u32) reg->value);
732                                 break;
733                         }
734                 case HostCmd_CMD_PMIC_REG_ACCESS:
735                         {
736                                 struct host_cmd_ds_pmic_reg_access *reg;
737                                 reg = (struct host_cmd_ds_pmic_reg_access *)
738                                         &resp->params.pmic_reg;
739                                 reg_rw->offset = cpu_to_le32(
740                                         (u32) le16_to_cpu(reg->offset));
741                                 reg_rw->value = cpu_to_le32((u32) reg->value);
742                                 break;
743                         }
744                 case HostCmd_CMD_CAU_REG_ACCESS:
745                         {
746                                 struct host_cmd_ds_rf_reg_access *reg;
747                                 reg = (struct host_cmd_ds_rf_reg_access *)
748                                         &resp->params.rf_reg;
749                                 reg_rw->offset = cpu_to_le32(
750                                         (u32) le16_to_cpu(reg->offset));
751                                 reg_rw->value = cpu_to_le32((u32) reg->value);
752                                 break;
753                         }
754                 case HostCmd_CMD_802_11_EEPROM_ACCESS:
755                         {
756                                 struct host_cmd_ds_802_11_eeprom_access
757                                         *cmd_eeprom =
758                                         (struct host_cmd_ds_802_11_eeprom_access
759                                          *) &resp->params.eeprom;
760                                 pr_debug("info: EEPROM read len=%x\n",
761                                        cmd_eeprom->byte_count);
762                                 if (le16_to_cpu(eeprom->byte_count) <
763                                                 le16_to_cpu(
764                                                 cmd_eeprom->byte_count)) {
765                                         eeprom->byte_count = cpu_to_le16(0);
766                                         pr_debug("info: EEPROM read "
767                                                         "length is too big\n");
768                                         return -1;
769                                 }
770                                 eeprom->offset = cmd_eeprom->offset;
771                                 eeprom->byte_count = cmd_eeprom->byte_count;
772                                 if (le16_to_cpu(eeprom->byte_count) > 0)
773                                         memcpy(&eeprom->value,
774                                                &cmd_eeprom->value,
775                                                le16_to_cpu(eeprom->byte_count));
776
777                                 break;
778                         }
779                 default:
780                         return -1;
781                 }
782         }
783         return 0;
784 }
785
786 /*
787  * This function handles the command response of get IBSS coalescing status.
788  *
789  * If the received BSSID is different than the current one, the current BSSID,
790  * beacon interval, ATIM window and ERP information are updated, along with
791  * changing the ad-hoc state accordingly.
792  */
793 static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv,
794                                               struct host_cmd_ds_command *resp)
795 {
796         struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp =
797                 &(resp->params.ibss_coalescing);
798         u8 zero_mac[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 };
799
800         if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET)
801                 return 0;
802
803         dev_dbg(priv->adapter->dev,
804                 "info: new BSSID %pM\n", ibss_coal_resp->bssid);
805
806         /* If rsp has NULL BSSID, Just return..... No Action */
807         if (!memcmp(ibss_coal_resp->bssid, zero_mac, ETH_ALEN)) {
808                 dev_warn(priv->adapter->dev, "new BSSID is NULL\n");
809                 return 0;
810         }
811
812         /* If BSSID is diff, modify current BSS parameters */
813         if (memcmp(priv->curr_bss_params.bss_descriptor.mac_address,
814                    ibss_coal_resp->bssid, ETH_ALEN)) {
815                 /* BSSID */
816                 memcpy(priv->curr_bss_params.bss_descriptor.mac_address,
817                        ibss_coal_resp->bssid, ETH_ALEN);
818
819                 /* Beacon Interval */
820                 priv->curr_bss_params.bss_descriptor.beacon_period
821                         = le16_to_cpu(ibss_coal_resp->beacon_interval);
822
823                 /* ERP Information */
824                 priv->curr_bss_params.bss_descriptor.erp_flags =
825                         (u8) le16_to_cpu(ibss_coal_resp->use_g_rate_protect);
826
827                 priv->adhoc_state = ADHOC_COALESCED;
828         }
829
830         return 0;
831 }
832
833 /*
834  * This function handles the command responses.
835  *
836  * This is a generic function, which calls command specific
837  * response handlers based on the command ID.
838  */
839 int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv,
840                                 u16 cmdresp_no, void *cmd_buf, void *wq_buf)
841 {
842         int ret = 0;
843         struct mwifiex_adapter *adapter = priv->adapter;
844         struct host_cmd_ds_command *resp =
845                 (struct host_cmd_ds_command *) cmd_buf;
846         struct mwifiex_wait_queue *wait_queue =
847                 (struct mwifiex_wait_queue *) wq_buf;
848         void *data_buf = adapter->curr_cmd->data_buf;
849
850         /* If the command is not successful, cleanup and return failure */
851         if (resp->result != HostCmd_RESULT_OK) {
852                 mwifiex_process_cmdresp_error(priv, resp, wait_queue);
853                 return -1;
854         }
855         /* Command successful, handle response */
856         switch (cmdresp_no) {
857         case HostCmd_CMD_GET_HW_SPEC:
858                 ret = mwifiex_ret_get_hw_spec(priv, resp);
859                 break;
860         case HostCmd_CMD_MAC_CONTROL:
861                 break;
862         case HostCmd_CMD_802_11_MAC_ADDRESS:
863                 ret = mwifiex_ret_802_11_mac_address(priv, resp);
864                 break;
865         case HostCmd_CMD_MAC_MULTICAST_ADR:
866                 ret = mwifiex_ret_mac_multicast_adr(priv, resp);
867                 break;
868         case HostCmd_CMD_TX_RATE_CFG:
869                 ret = mwifiex_ret_tx_rate_cfg(priv, resp, data_buf);
870                 break;
871         case HostCmd_CMD_802_11_SCAN:
872                 ret = mwifiex_ret_802_11_scan(priv, resp, wait_queue);
873                 wait_queue = NULL;
874                 adapter->curr_cmd->wq_buf = NULL;
875                 break;
876         case HostCmd_CMD_802_11_BG_SCAN_QUERY:
877                 ret = mwifiex_ret_802_11_scan(priv, resp, wait_queue);
878                 dev_dbg(adapter->dev,
879                         "info: CMD_RESP: BG_SCAN result is ready!\n");
880                 break;
881         case HostCmd_CMD_TXPWR_CFG:
882                 ret = mwifiex_ret_tx_power_cfg(priv, resp, data_buf);
883                 break;
884         case HostCmd_CMD_802_11_PS_MODE_ENH:
885                 ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf);
886                 break;
887         case HostCmd_CMD_802_11_HS_CFG_ENH:
888                 ret = mwifiex_ret_802_11_hs_cfg(priv, resp);
889                 break;
890         case HostCmd_CMD_802_11_ASSOCIATE:
891                 ret = mwifiex_ret_802_11_associate(priv, resp, wait_queue);
892                 break;
893         case HostCmd_CMD_802_11_DEAUTHENTICATE:
894                 ret = mwifiex_ret_802_11_deauthenticate(priv, resp);
895                 break;
896         case HostCmd_CMD_802_11_AD_HOC_START:
897         case HostCmd_CMD_802_11_AD_HOC_JOIN:
898                 ret = mwifiex_ret_802_11_ad_hoc(priv, resp, wait_queue);
899                 break;
900         case HostCmd_CMD_802_11_AD_HOC_STOP:
901                 ret = mwifiex_ret_802_11_ad_hoc_stop(priv, resp);
902                 break;
903         case HostCmd_CMD_802_11_GET_LOG:
904                 ret = mwifiex_ret_get_log(priv, resp, data_buf);
905                 break;
906         case HostCmd_CMD_RSSI_INFO:
907                 ret = mwifiex_ret_802_11_rssi_info(priv, resp, data_buf);
908                 break;
909         case HostCmd_CMD_802_11_SNMP_MIB:
910                 ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf);
911                 break;
912         case HostCmd_CMD_802_11_TX_RATE_QUERY:
913                 ret = mwifiex_ret_802_11_tx_rate_query(priv, resp);
914                 break;
915         case HostCmd_CMD_802_11_RF_CHANNEL:
916                 ret = mwifiex_ret_802_11_rf_channel(priv, resp, data_buf);
917                 break;
918         case HostCmd_CMD_VERSION_EXT:
919                 ret = mwifiex_ret_ver_ext(priv, resp, data_buf);
920                 break;
921         case HostCmd_CMD_FUNC_INIT:
922         case HostCmd_CMD_FUNC_SHUTDOWN:
923                 break;
924         case HostCmd_CMD_802_11_KEY_MATERIAL:
925                 ret = mwifiex_ret_802_11_key_material(priv, resp);
926                 break;
927         case HostCmd_CMD_802_11D_DOMAIN_INFO:
928                 ret = mwifiex_ret_802_11d_domain_info(priv, resp);
929                 break;
930         case HostCmd_CMD_11N_ADDBA_REQ:
931                 ret = mwifiex_ret_11n_addba_req(priv, resp);
932                 break;
933         case HostCmd_CMD_11N_DELBA:
934                 ret = mwifiex_ret_11n_delba(priv, resp);
935                 break;
936         case HostCmd_CMD_11N_ADDBA_RSP:
937                 ret = mwifiex_ret_11n_addba_resp(priv, resp);
938                 break;
939         case HostCmd_CMD_RECONFIGURE_TX_BUFF:
940                 adapter->tx_buf_size = (u16) le16_to_cpu(resp->params.
941                                                              tx_buf.buff_size);
942                 adapter->tx_buf_size = (adapter->tx_buf_size /
943                                                 MWIFIEX_SDIO_BLOCK_SIZE) *
944                                                 MWIFIEX_SDIO_BLOCK_SIZE;
945                 adapter->curr_tx_buf_size = adapter->tx_buf_size;
946                 dev_dbg(adapter->dev,
947                         "cmd: max_tx_buf_size=%d, tx_buf_size=%d\n",
948                        adapter->max_tx_buf_size, adapter->tx_buf_size);
949
950                 if (adapter->if_ops.update_mp_end_port)
951                         adapter->if_ops.update_mp_end_port(adapter,
952                                         le16_to_cpu(resp->
953                                                 params.
954                                                 tx_buf.
955                                                 mp_end_port));
956                 break;
957         case HostCmd_CMD_AMSDU_AGGR_CTRL:
958                 ret = mwifiex_ret_amsdu_aggr_ctrl(priv, resp, data_buf);
959                 break;
960         case HostCmd_CMD_WMM_GET_STATUS:
961                 ret = mwifiex_ret_wmm_get_status(priv, resp);
962                 break;
963         case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
964                 ret = mwifiex_ret_ibss_coalescing_status(priv, resp);
965                 break;
966         case HostCmd_CMD_MAC_REG_ACCESS:
967         case HostCmd_CMD_BBP_REG_ACCESS:
968         case HostCmd_CMD_RF_REG_ACCESS:
969         case HostCmd_CMD_PMIC_REG_ACCESS:
970         case HostCmd_CMD_CAU_REG_ACCESS:
971         case HostCmd_CMD_802_11_EEPROM_ACCESS:
972                 ret = mwifiex_ret_reg_access(cmdresp_no, resp, data_buf);
973                 break;
974         case HostCmd_CMD_SET_BSS_MODE:
975                 break;
976         case HostCmd_CMD_11N_CFG:
977                 ret = mwifiex_ret_11n_cfg(priv, resp, data_buf);
978                 break;
979         default:
980                 dev_err(adapter->dev, "CMD_RESP: unknown cmd response %#x\n",
981                        resp->command);
982                 break;
983         }
984
985         return ret;
986 }