2 * Marvell Wireless LAN device driver: 802.11n
4 * Copyright (C) 2011, Marvell International Ltd.
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.
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.
29 * Fills HT capability information field, AMPDU Parameters field, HT extended
30 * capability field, and supported MCS set fields.
32 * HT capability information field, AMPDU Parameters field, supported MCS set
33 * fields are retrieved from cfg80211 stack
35 * RD responder bit to set to clear in the extended capability header.
38 mwifiex_fill_cap_info(struct mwifiex_private *priv, u8 radio_type,
39 struct mwifiex_ie_types_htcap *ht_cap)
41 uint16_t ht_ext_cap = le16_to_cpu(ht_cap->ht_cap.extended_ht_cap_info);
42 struct ieee80211_supported_band *sband =
43 priv->wdev->wiphy->bands[radio_type];
45 ht_cap->ht_cap.ampdu_params_info =
46 (sband->ht_cap.ampdu_factor &
47 IEEE80211_HT_AMPDU_PARM_FACTOR) |
48 ((sband->ht_cap.ampdu_density <<
49 IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT) &
50 IEEE80211_HT_AMPDU_PARM_DENSITY);
52 memcpy((u8 *) &ht_cap->ht_cap.mcs, &sband->ht_cap.mcs,
53 sizeof(sband->ht_cap.mcs));
55 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
56 sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
57 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
58 SETHT_MCS32(ht_cap->ht_cap.mcs.rx_mask);
60 /* Clear RD responder bit */
61 ht_ext_cap &= ~IEEE80211_HT_EXT_CAP_RD_RESPONDER;
63 ht_cap->ht_cap.cap_info = cpu_to_le16(sband->ht_cap.cap);
64 ht_cap->ht_cap.extended_ht_cap_info = cpu_to_le16(ht_ext_cap);
68 * This function returns the pointer to an entry in BA Stream
69 * table which matches the requested BA status.
71 static struct mwifiex_tx_ba_stream_tbl *
72 mwifiex_get_ba_status(struct mwifiex_private *priv,
73 enum mwifiex_ba_status ba_status)
75 struct mwifiex_tx_ba_stream_tbl *tx_ba_tsr_tbl;
78 spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags);
79 list_for_each_entry(tx_ba_tsr_tbl, &priv->tx_ba_stream_tbl_ptr, list) {
80 if (tx_ba_tsr_tbl->ba_status == ba_status) {
81 spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock,
86 spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags);
91 * This function handles the command response of delete a block
94 * The function checks the response success status and takes action
95 * accordingly (send an add BA request in case of success, or recreate
96 * the deleted stream in case of failure, if the add BA was also
99 int mwifiex_ret_11n_delba(struct mwifiex_private *priv,
100 struct host_cmd_ds_command *resp)
103 struct mwifiex_tx_ba_stream_tbl *tx_ba_tbl;
104 struct host_cmd_ds_11n_delba *del_ba =
105 (struct host_cmd_ds_11n_delba *) &resp->params.del_ba;
106 uint16_t del_ba_param_set = le16_to_cpu(del_ba->del_ba_param_set);
108 tid = del_ba_param_set >> DELBA_TID_POS;
109 if (del_ba->del_result == BA_RESULT_SUCCESS) {
110 mwifiex_del_ba_tbl(priv, tid, del_ba->peer_mac_addr,
112 INITIATOR_BIT(del_ba_param_set));
114 tx_ba_tbl = mwifiex_get_ba_status(priv, BA_SETUP_INPROGRESS);
116 mwifiex_send_addba(priv, tx_ba_tbl->tid,
119 * In case of failure, recreate the deleted stream in case
120 * we initiated the ADDBA
122 if (!INITIATOR_BIT(del_ba_param_set))
125 mwifiex_create_ba_tbl(priv, del_ba->peer_mac_addr, tid,
126 BA_SETUP_INPROGRESS);
128 tx_ba_tbl = mwifiex_get_ba_status(priv, BA_SETUP_INPROGRESS);
131 mwifiex_del_ba_tbl(priv, tx_ba_tbl->tid, tx_ba_tbl->ra,
132 TYPE_DELBA_SENT, true);
139 * This function handles the command response of add a block
142 * Handling includes changing the header fields to CPU formats, checking
143 * the response success status and taking actions accordingly (delete the
144 * BA stream table in case of failure).
146 int mwifiex_ret_11n_addba_req(struct mwifiex_private *priv,
147 struct host_cmd_ds_command *resp)
150 struct host_cmd_ds_11n_addba_rsp *add_ba_rsp =
151 (struct host_cmd_ds_11n_addba_rsp *) &resp->params.add_ba_rsp;
152 struct mwifiex_tx_ba_stream_tbl *tx_ba_tbl;
154 add_ba_rsp->ssn = cpu_to_le16((le16_to_cpu(add_ba_rsp->ssn))
157 tid = (le16_to_cpu(add_ba_rsp->block_ack_param_set)
158 & IEEE80211_ADDBA_PARAM_TID_MASK)
159 >> BLOCKACKPARAM_TID_POS;
160 if (le16_to_cpu(add_ba_rsp->status_code) == BA_RESULT_SUCCESS) {
161 tx_ba_tbl = mwifiex_get_ba_tbl(priv, tid,
162 add_ba_rsp->peer_mac_addr);
164 dev_dbg(priv->adapter->dev, "info: BA stream complete\n");
165 tx_ba_tbl->ba_status = BA_SETUP_COMPLETE;
167 dev_err(priv->adapter->dev, "BA stream not created\n");
170 mwifiex_del_ba_tbl(priv, tid, add_ba_rsp->peer_mac_addr,
171 TYPE_DELBA_SENT, true);
172 if (add_ba_rsp->add_rsp_result != BA_RESULT_TIMEOUT)
173 priv->aggr_prio_tbl[tid].ampdu_ap =
174 BA_STREAM_NOT_ALLOWED;
181 * This function handles the command response of 11n configuration request.
183 * Handling includes changing the header fields into CPU format.
185 int mwifiex_ret_11n_cfg(struct host_cmd_ds_command *resp,
186 struct mwifiex_ds_11n_tx_cfg *tx_cfg)
188 struct host_cmd_ds_11n_cfg *htcfg = &resp->params.htcfg;
191 tx_cfg->tx_htcap = le16_to_cpu(htcfg->ht_tx_cap);
192 tx_cfg->tx_htinfo = le16_to_cpu(htcfg->ht_tx_info);
198 * This function prepares command of reconfigure Tx buffer.
200 * Preparation includes -
201 * - Setting command ID, action and proper size
202 * - Setting Tx buffer size (for SET only)
203 * - Ensuring correct endian-ness
205 int mwifiex_cmd_recfg_tx_buf(struct mwifiex_private *priv,
206 struct host_cmd_ds_command *cmd, int cmd_action,
209 struct host_cmd_ds_txbuf_cfg *tx_buf = &cmd->params.tx_buf;
210 u16 action = (u16) cmd_action;
212 cmd->command = cpu_to_le16(HostCmd_CMD_RECONFIGURE_TX_BUFF);
214 cpu_to_le16(sizeof(struct host_cmd_ds_txbuf_cfg) + S_DS_GEN);
215 tx_buf->action = cpu_to_le16(action);
217 case HostCmd_ACT_GEN_SET:
218 dev_dbg(priv->adapter->dev, "cmd: set tx_buf=%d\n", *buf_size);
219 tx_buf->buff_size = cpu_to_le16(*buf_size);
221 case HostCmd_ACT_GEN_GET:
223 tx_buf->buff_size = 0;
230 * This function prepares command of AMSDU aggregation control.
232 * Preparation includes -
233 * - Setting command ID, action and proper size
234 * - Setting AMSDU control parameters (for SET only)
235 * - Ensuring correct endian-ness
237 int mwifiex_cmd_amsdu_aggr_ctrl(struct host_cmd_ds_command *cmd,
239 struct mwifiex_ds_11n_amsdu_aggr_ctrl *aa_ctrl)
241 struct host_cmd_ds_amsdu_aggr_ctrl *amsdu_ctrl =
242 &cmd->params.amsdu_aggr_ctrl;
243 u16 action = (u16) cmd_action;
245 cmd->command = cpu_to_le16(HostCmd_CMD_AMSDU_AGGR_CTRL);
246 cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_amsdu_aggr_ctrl)
248 amsdu_ctrl->action = cpu_to_le16(action);
250 case HostCmd_ACT_GEN_SET:
251 amsdu_ctrl->enable = cpu_to_le16(aa_ctrl->enable);
252 amsdu_ctrl->curr_buf_size = 0;
254 case HostCmd_ACT_GEN_GET:
256 amsdu_ctrl->curr_buf_size = 0;
263 * This function handles the command response of AMSDU aggregation
266 * Handling includes changing the header fields into CPU format.
268 int mwifiex_ret_amsdu_aggr_ctrl(struct host_cmd_ds_command *resp,
269 struct mwifiex_ds_11n_amsdu_aggr_ctrl
272 struct host_cmd_ds_amsdu_aggr_ctrl *amsdu_ctrl =
273 &resp->params.amsdu_aggr_ctrl;
275 if (amsdu_aggr_ctrl) {
276 amsdu_aggr_ctrl->enable = le16_to_cpu(amsdu_ctrl->enable);
277 amsdu_aggr_ctrl->curr_buf_size =
278 le16_to_cpu(amsdu_ctrl->curr_buf_size);
284 * This function prepares 11n configuration command.
286 * Preparation includes -
287 * - Setting command ID, action and proper size
288 * - Setting HT Tx capability and HT Tx information fields
289 * - Ensuring correct endian-ness
291 int mwifiex_cmd_11n_cfg(struct host_cmd_ds_command *cmd, u16 cmd_action,
292 struct mwifiex_ds_11n_tx_cfg *txcfg)
294 struct host_cmd_ds_11n_cfg *htcfg = &cmd->params.htcfg;
296 cmd->command = cpu_to_le16(HostCmd_CMD_11N_CFG);
297 cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_11n_cfg) + S_DS_GEN);
298 htcfg->action = cpu_to_le16(cmd_action);
299 htcfg->ht_tx_cap = cpu_to_le16(txcfg->tx_htcap);
300 htcfg->ht_tx_info = cpu_to_le16(txcfg->tx_htinfo);
305 * This function appends an 11n TLV to a buffer.
307 * Buffer allocation is responsibility of the calling
308 * function. No size validation is made here.
310 * The function fills up the following sections, if applicable -
312 * - HT information IE (with channel list)
313 * - 20/40 BSS Coexistence IE
314 * - HT Extended Capabilities IE
317 mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv,
318 struct mwifiex_bssdescriptor *bss_desc,
321 struct mwifiex_ie_types_htcap *ht_cap;
322 struct mwifiex_ie_types_htinfo *ht_info;
323 struct mwifiex_ie_types_chan_list_param_set *chan_list;
324 struct mwifiex_ie_types_2040bssco *bss_co_2040;
325 struct mwifiex_ie_types_extcap *ext_cap;
327 struct ieee80211_supported_band *sband;
330 if (!buffer || !*buffer)
333 radio_type = mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
334 sband = priv->wdev->wiphy->bands[radio_type];
336 if (bss_desc->bcn_ht_cap) {
337 ht_cap = (struct mwifiex_ie_types_htcap *) *buffer;
338 memset(ht_cap, 0, sizeof(struct mwifiex_ie_types_htcap));
339 ht_cap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
341 cpu_to_le16(sizeof(struct ieee80211_ht_cap));
342 memcpy((u8 *) ht_cap + sizeof(struct mwifiex_ie_types_header),
343 (u8 *) bss_desc->bcn_ht_cap +
344 sizeof(struct ieee_types_header),
345 le16_to_cpu(ht_cap->header.len));
347 mwifiex_fill_cap_info(priv, radio_type, ht_cap);
349 *buffer += sizeof(struct mwifiex_ie_types_htcap);
350 ret_len += sizeof(struct mwifiex_ie_types_htcap);
353 if (bss_desc->bcn_ht_info) {
354 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
355 ht_info = (struct mwifiex_ie_types_htinfo *) *buffer;
357 sizeof(struct mwifiex_ie_types_htinfo));
358 ht_info->header.type =
359 cpu_to_le16(WLAN_EID_HT_INFORMATION);
360 ht_info->header.len =
361 cpu_to_le16(sizeof(struct ieee80211_ht_info));
363 memcpy((u8 *) ht_info +
364 sizeof(struct mwifiex_ie_types_header),
365 (u8 *) bss_desc->bcn_ht_info +
366 sizeof(struct ieee_types_header),
367 le16_to_cpu(ht_info->header.len));
369 if (!(sband->ht_cap.cap &
370 IEEE80211_HT_CAP_SUP_WIDTH_20_40))
371 ht_info->ht_info.ht_param &=
372 ~(IEEE80211_HT_PARAM_CHAN_WIDTH_ANY |
373 IEEE80211_HT_PARAM_CHA_SEC_OFFSET);
375 *buffer += sizeof(struct mwifiex_ie_types_htinfo);
376 ret_len += sizeof(struct mwifiex_ie_types_htinfo);
380 (struct mwifiex_ie_types_chan_list_param_set *) *buffer;
382 sizeof(struct mwifiex_ie_types_chan_list_param_set));
383 chan_list->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
384 chan_list->header.len = cpu_to_le16(
385 sizeof(struct mwifiex_ie_types_chan_list_param_set) -
386 sizeof(struct mwifiex_ie_types_header));
387 chan_list->chan_scan_param[0].chan_number =
388 bss_desc->bcn_ht_info->control_chan;
389 chan_list->chan_scan_param[0].radio_type =
390 mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
392 if (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 &&
393 bss_desc->bcn_ht_info->ht_param &
394 IEEE80211_HT_PARAM_CHAN_WIDTH_ANY)
395 SET_SECONDARYCHAN(chan_list->chan_scan_param[0].
397 (bss_desc->bcn_ht_info->ht_param &
398 IEEE80211_HT_PARAM_CHA_SEC_OFFSET));
400 *buffer += sizeof(struct mwifiex_ie_types_chan_list_param_set);
401 ret_len += sizeof(struct mwifiex_ie_types_chan_list_param_set);
404 if (bss_desc->bcn_bss_co_2040) {
405 bss_co_2040 = (struct mwifiex_ie_types_2040bssco *) *buffer;
406 memset(bss_co_2040, 0,
407 sizeof(struct mwifiex_ie_types_2040bssco));
408 bss_co_2040->header.type = cpu_to_le16(WLAN_EID_BSS_COEX_2040);
409 bss_co_2040->header.len =
410 cpu_to_le16(sizeof(bss_co_2040->bss_co_2040));
412 memcpy((u8 *) bss_co_2040 +
413 sizeof(struct mwifiex_ie_types_header),
414 (u8 *) bss_desc->bcn_bss_co_2040 +
415 sizeof(struct ieee_types_header),
416 le16_to_cpu(bss_co_2040->header.len));
418 *buffer += sizeof(struct mwifiex_ie_types_2040bssco);
419 ret_len += sizeof(struct mwifiex_ie_types_2040bssco);
422 if (bss_desc->bcn_ext_cap) {
423 ext_cap = (struct mwifiex_ie_types_extcap *) *buffer;
424 memset(ext_cap, 0, sizeof(struct mwifiex_ie_types_extcap));
425 ext_cap->header.type = cpu_to_le16(WLAN_EID_EXT_CAPABILITY);
426 ext_cap->header.len = cpu_to_le16(sizeof(ext_cap->ext_cap));
428 memcpy((u8 *) ext_cap +
429 sizeof(struct mwifiex_ie_types_header),
430 (u8 *) bss_desc->bcn_ext_cap +
431 sizeof(struct ieee_types_header),
432 le16_to_cpu(ext_cap->header.len));
434 *buffer += sizeof(struct mwifiex_ie_types_extcap);
435 ret_len += sizeof(struct mwifiex_ie_types_extcap);
442 * This function reconfigures the Tx buffer size in firmware.
444 * This function prepares a firmware command and issues it, if
445 * the current Tx buffer size is different from the one requested.
446 * Maximum configurable Tx buffer size is limited by the HT capability
450 mwifiex_cfg_tx_buf(struct mwifiex_private *priv,
451 struct mwifiex_bssdescriptor *bss_desc)
453 u16 max_amsdu = MWIFIEX_TX_DATA_BUF_SIZE_2K;
454 u16 tx_buf, curr_tx_buf_size = 0;
456 if (bss_desc->bcn_ht_cap) {
457 if (le16_to_cpu(bss_desc->bcn_ht_cap->cap_info) &
458 IEEE80211_HT_CAP_MAX_AMSDU)
459 max_amsdu = MWIFIEX_TX_DATA_BUF_SIZE_8K;
461 max_amsdu = MWIFIEX_TX_DATA_BUF_SIZE_4K;
464 tx_buf = min(priv->adapter->max_tx_buf_size, max_amsdu);
466 dev_dbg(priv->adapter->dev, "info: max_amsdu=%d, max_tx_buf=%d\n",
467 max_amsdu, priv->adapter->max_tx_buf_size);
469 if (priv->adapter->curr_tx_buf_size <= MWIFIEX_TX_DATA_BUF_SIZE_2K)
470 curr_tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K;
471 else if (priv->adapter->curr_tx_buf_size <= MWIFIEX_TX_DATA_BUF_SIZE_4K)
472 curr_tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_4K;
473 else if (priv->adapter->curr_tx_buf_size <= MWIFIEX_TX_DATA_BUF_SIZE_8K)
474 curr_tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_8K;
475 if (curr_tx_buf_size != tx_buf)
476 mwifiex_send_cmd_async(priv, HostCmd_CMD_RECONFIGURE_TX_BUFF,
477 HostCmd_ACT_GEN_SET, 0, &tx_buf);
481 * This function checks if the given pointer is valid entry of
482 * Tx BA Stream table.
484 static int mwifiex_is_tx_ba_stream_ptr_valid(struct mwifiex_private *priv,
485 struct mwifiex_tx_ba_stream_tbl *tx_tbl_ptr)
487 struct mwifiex_tx_ba_stream_tbl *tx_ba_tsr_tbl;
489 list_for_each_entry(tx_ba_tsr_tbl, &priv->tx_ba_stream_tbl_ptr, list) {
490 if (tx_ba_tsr_tbl == tx_tbl_ptr)
498 * This function deletes the given entry in Tx BA Stream table.
500 * The function also performs a validity check on the supplied
501 * pointer before trying to delete.
503 void mwifiex_11n_delete_tx_ba_stream_tbl_entry(struct mwifiex_private *priv,
504 struct mwifiex_tx_ba_stream_tbl *tx_ba_tsr_tbl)
506 if (!tx_ba_tsr_tbl &&
507 mwifiex_is_tx_ba_stream_ptr_valid(priv, tx_ba_tsr_tbl))
510 dev_dbg(priv->adapter->dev, "info: tx_ba_tsr_tbl %p\n", tx_ba_tsr_tbl);
512 list_del(&tx_ba_tsr_tbl->list);
514 kfree(tx_ba_tsr_tbl);
518 * This function deletes all the entries in Tx BA Stream table.
520 void mwifiex_11n_delete_all_tx_ba_stream_tbl(struct mwifiex_private *priv)
523 struct mwifiex_tx_ba_stream_tbl *del_tbl_ptr, *tmp_node;
526 spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags);
527 list_for_each_entry_safe(del_tbl_ptr, tmp_node,
528 &priv->tx_ba_stream_tbl_ptr, list)
529 mwifiex_11n_delete_tx_ba_stream_tbl_entry(priv, del_tbl_ptr);
530 spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags);
532 INIT_LIST_HEAD(&priv->tx_ba_stream_tbl_ptr);
534 for (i = 0; i < MAX_NUM_TID; ++i)
535 priv->aggr_prio_tbl[i].ampdu_ap =
536 priv->aggr_prio_tbl[i].ampdu_user;
540 * This function returns the pointer to an entry in BA Stream
541 * table which matches the given RA/TID pair.
543 struct mwifiex_tx_ba_stream_tbl *
544 mwifiex_get_ba_tbl(struct mwifiex_private *priv, int tid, u8 *ra)
546 struct mwifiex_tx_ba_stream_tbl *tx_ba_tsr_tbl;
549 spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags);
550 list_for_each_entry(tx_ba_tsr_tbl, &priv->tx_ba_stream_tbl_ptr, list) {
551 if (!memcmp(tx_ba_tsr_tbl->ra, ra, ETH_ALEN) &&
552 tx_ba_tsr_tbl->tid == tid) {
553 spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock,
555 return tx_ba_tsr_tbl;
558 spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags);
563 * This function creates an entry in Tx BA stream table for the
566 void mwifiex_create_ba_tbl(struct mwifiex_private *priv, u8 *ra, int tid,
567 enum mwifiex_ba_status ba_status)
569 struct mwifiex_tx_ba_stream_tbl *new_node;
572 if (!mwifiex_get_ba_tbl(priv, tid, ra)) {
573 new_node = kzalloc(sizeof(struct mwifiex_tx_ba_stream_tbl),
576 dev_err(priv->adapter->dev,
577 "%s: failed to alloc new_node\n", __func__);
581 INIT_LIST_HEAD(&new_node->list);
584 new_node->ba_status = ba_status;
585 memcpy(new_node->ra, ra, ETH_ALEN);
587 spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags);
588 list_add_tail(&new_node->list, &priv->tx_ba_stream_tbl_ptr);
589 spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags);
594 * This function sends an add BA request to the given TID/RA pair.
596 int mwifiex_send_addba(struct mwifiex_private *priv, int tid, u8 *peer_mac)
598 struct host_cmd_ds_11n_addba_req add_ba_req;
599 static u8 dialog_tok;
602 dev_dbg(priv->adapter->dev, "cmd: %s: tid %d\n", __func__, tid);
604 add_ba_req.block_ack_param_set = cpu_to_le16(
605 (u16) ((tid << BLOCKACKPARAM_TID_POS) |
607 tx_win_size << BLOCKACKPARAM_WINSIZE_POS) |
608 IMMEDIATE_BLOCK_ACK));
609 add_ba_req.block_ack_tmo = cpu_to_le16((u16)priv->add_ba_param.timeout);
616 add_ba_req.dialog_token = dialog_tok;
617 memcpy(&add_ba_req.peer_mac_addr, peer_mac, ETH_ALEN);
619 /* We don't wait for the response of this command */
620 ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_11N_ADDBA_REQ,
627 * This function sends a delete BA request to the given TID/RA pair.
629 int mwifiex_send_delba(struct mwifiex_private *priv, int tid, u8 *peer_mac,
632 struct host_cmd_ds_11n_delba delba;
634 uint16_t del_ba_param_set;
636 memset(&delba, 0, sizeof(delba));
637 delba.del_ba_param_set = cpu_to_le16(tid << DELBA_TID_POS);
639 del_ba_param_set = le16_to_cpu(delba.del_ba_param_set);
641 del_ba_param_set |= IEEE80211_DELBA_PARAM_INITIATOR_MASK;
643 del_ba_param_set &= ~IEEE80211_DELBA_PARAM_INITIATOR_MASK;
645 memcpy(&delba.peer_mac_addr, peer_mac, ETH_ALEN);
647 /* We don't wait for the response of this command */
648 ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_11N_DELBA,
649 HostCmd_ACT_GEN_SET, 0, &delba);
655 * This function handles the command response of a delete BA request.
657 void mwifiex_11n_delete_ba_stream(struct mwifiex_private *priv, u8 *del_ba)
659 struct host_cmd_ds_11n_delba *cmd_del_ba =
660 (struct host_cmd_ds_11n_delba *) del_ba;
661 uint16_t del_ba_param_set = le16_to_cpu(cmd_del_ba->del_ba_param_set);
664 tid = del_ba_param_set >> DELBA_TID_POS;
666 mwifiex_del_ba_tbl(priv, tid, cmd_del_ba->peer_mac_addr,
667 TYPE_DELBA_RECEIVE, INITIATOR_BIT(del_ba_param_set));
671 * This function retrieves the Rx reordering table.
673 int mwifiex_get_rx_reorder_tbl(struct mwifiex_private *priv,
674 struct mwifiex_ds_rx_reorder_tbl *buf)
677 struct mwifiex_ds_rx_reorder_tbl *rx_reo_tbl = buf;
678 struct mwifiex_rx_reorder_tbl *rx_reorder_tbl_ptr;
682 spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags);
683 list_for_each_entry(rx_reorder_tbl_ptr, &priv->rx_reorder_tbl_ptr,
685 rx_reo_tbl->tid = (u16) rx_reorder_tbl_ptr->tid;
686 memcpy(rx_reo_tbl->ta, rx_reorder_tbl_ptr->ta, ETH_ALEN);
687 rx_reo_tbl->start_win = rx_reorder_tbl_ptr->start_win;
688 rx_reo_tbl->win_size = rx_reorder_tbl_ptr->win_size;
689 for (i = 0; i < rx_reorder_tbl_ptr->win_size; ++i) {
690 if (rx_reorder_tbl_ptr->rx_reorder_ptr[i])
691 rx_reo_tbl->buffer[i] = true;
693 rx_reo_tbl->buffer[i] = false;
698 if (count >= MWIFIEX_MAX_RX_BASTREAM_SUPPORTED)
701 spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags);
707 * This function retrieves the Tx BA stream table.
709 int mwifiex_get_tx_ba_stream_tbl(struct mwifiex_private *priv,
710 struct mwifiex_ds_tx_ba_stream_tbl *buf)
712 struct mwifiex_tx_ba_stream_tbl *tx_ba_tsr_tbl;
713 struct mwifiex_ds_tx_ba_stream_tbl *rx_reo_tbl = buf;
717 spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags);
718 list_for_each_entry(tx_ba_tsr_tbl, &priv->tx_ba_stream_tbl_ptr, list) {
719 rx_reo_tbl->tid = (u16) tx_ba_tsr_tbl->tid;
720 dev_dbg(priv->adapter->dev, "data: %s tid=%d\n",
721 __func__, rx_reo_tbl->tid);
722 memcpy(rx_reo_tbl->ra, tx_ba_tsr_tbl->ra, ETH_ALEN);
725 if (count >= MWIFIEX_MAX_TX_BASTREAM_SUPPORTED)
728 spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags);