2 * NXP Wireless LAN device driver: 802.11n
4 * Copyright 2011-2020 NXP
6 * This software file (the "File") is distributed by NXP
7 * 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.
37 int mwifiex_fill_cap_info(struct mwifiex_private *priv, u8 radio_type,
38 struct ieee80211_ht_cap *ht_cap)
40 uint16_t ht_ext_cap = le16_to_cpu(ht_cap->extended_ht_cap_info);
41 struct ieee80211_supported_band *sband =
42 priv->wdev.wiphy->bands[radio_type];
44 if (WARN_ON_ONCE(!sband)) {
45 mwifiex_dbg(priv->adapter, ERROR, "Invalid radio type!\n");
49 ht_cap->ampdu_params_info =
50 (sband->ht_cap.ampdu_factor &
51 IEEE80211_HT_AMPDU_PARM_FACTOR) |
52 ((sband->ht_cap.ampdu_density <<
53 IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT) &
54 IEEE80211_HT_AMPDU_PARM_DENSITY);
56 memcpy((u8 *)&ht_cap->mcs, &sband->ht_cap.mcs,
57 sizeof(sband->ht_cap.mcs));
59 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
60 (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 &&
61 (priv->adapter->sec_chan_offset !=
62 IEEE80211_HT_PARAM_CHA_SEC_NONE)))
63 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
64 SETHT_MCS32(ht_cap->mcs.rx_mask);
66 /* Clear RD responder bit */
67 ht_ext_cap &= ~IEEE80211_HT_EXT_CAP_RD_RESPONDER;
69 ht_cap->cap_info = cpu_to_le16(sband->ht_cap.cap);
70 ht_cap->extended_ht_cap_info = cpu_to_le16(ht_ext_cap);
72 if (ISSUPP_BEAMFORMING(priv->adapter->hw_dot_11n_dev_cap))
73 ht_cap->tx_BF_cap_info = cpu_to_le32(MWIFIEX_DEF_11N_TX_BF_CAP);
79 * This function returns the pointer to an entry in BA Stream
80 * table which matches the requested BA status.
82 static struct mwifiex_tx_ba_stream_tbl *
83 mwifiex_get_ba_status(struct mwifiex_private *priv,
84 enum mwifiex_ba_status ba_status)
86 struct mwifiex_tx_ba_stream_tbl *tx_ba_tsr_tbl;
88 spin_lock_bh(&priv->tx_ba_stream_tbl_lock);
89 list_for_each_entry(tx_ba_tsr_tbl, &priv->tx_ba_stream_tbl_ptr, list) {
90 if (tx_ba_tsr_tbl->ba_status == ba_status) {
91 spin_unlock_bh(&priv->tx_ba_stream_tbl_lock);
95 spin_unlock_bh(&priv->tx_ba_stream_tbl_lock);
100 * This function handles the command response of delete a block
103 * The function checks the response success status and takes action
104 * accordingly (send an add BA request in case of success, or recreate
105 * the deleted stream in case of failure, if the add BA was also
108 int mwifiex_ret_11n_delba(struct mwifiex_private *priv,
109 struct host_cmd_ds_command *resp)
112 struct mwifiex_tx_ba_stream_tbl *tx_ba_tbl;
113 struct host_cmd_ds_11n_delba *del_ba = &resp->params.del_ba;
114 uint16_t del_ba_param_set = le16_to_cpu(del_ba->del_ba_param_set);
116 tid = del_ba_param_set >> DELBA_TID_POS;
117 if (del_ba->del_result == BA_RESULT_SUCCESS) {
118 mwifiex_del_ba_tbl(priv, tid, del_ba->peer_mac_addr,
120 INITIATOR_BIT(del_ba_param_set));
122 tx_ba_tbl = mwifiex_get_ba_status(priv, BA_SETUP_INPROGRESS);
124 mwifiex_send_addba(priv, tx_ba_tbl->tid,
127 * In case of failure, recreate the deleted stream in case
128 * we initiated the DELBA
130 if (!INITIATOR_BIT(del_ba_param_set))
133 mwifiex_create_ba_tbl(priv, del_ba->peer_mac_addr, tid,
134 BA_SETUP_INPROGRESS);
136 tx_ba_tbl = mwifiex_get_ba_status(priv, BA_SETUP_INPROGRESS);
139 mwifiex_del_ba_tbl(priv, tx_ba_tbl->tid, tx_ba_tbl->ra,
140 TYPE_DELBA_SENT, true);
147 * This function handles the command response of add a block
150 * Handling includes changing the header fields to CPU formats, checking
151 * the response success status and taking actions accordingly (delete the
152 * BA stream table in case of failure).
154 int mwifiex_ret_11n_addba_req(struct mwifiex_private *priv,
155 struct host_cmd_ds_command *resp)
158 struct host_cmd_ds_11n_addba_rsp *add_ba_rsp = &resp->params.add_ba_rsp;
159 struct mwifiex_tx_ba_stream_tbl *tx_ba_tbl;
160 struct mwifiex_ra_list_tbl *ra_list;
161 u16 block_ack_param_set = le16_to_cpu(add_ba_rsp->block_ack_param_set);
163 add_ba_rsp->ssn = cpu_to_le16((le16_to_cpu(add_ba_rsp->ssn))
166 tid = (block_ack_param_set & IEEE80211_ADDBA_PARAM_TID_MASK)
167 >> BLOCKACKPARAM_TID_POS;
169 tid_down = mwifiex_wmm_downgrade_tid(priv, tid);
170 ra_list = mwifiex_wmm_get_ralist_node(priv, tid_down, add_ba_rsp->
172 if (le16_to_cpu(add_ba_rsp->status_code) != BA_RESULT_SUCCESS) {
174 ra_list->ba_status = BA_SETUP_NONE;
175 ra_list->amsdu_in_ampdu = false;
177 mwifiex_del_ba_tbl(priv, tid, add_ba_rsp->peer_mac_addr,
178 TYPE_DELBA_SENT, true);
179 if (add_ba_rsp->add_rsp_result != BA_RESULT_TIMEOUT)
180 priv->aggr_prio_tbl[tid].ampdu_ap =
181 BA_STREAM_NOT_ALLOWED;
185 tx_ba_tbl = mwifiex_get_ba_tbl(priv, tid, add_ba_rsp->peer_mac_addr);
187 mwifiex_dbg(priv->adapter, EVENT, "info: BA stream complete\n");
188 tx_ba_tbl->ba_status = BA_SETUP_COMPLETE;
189 if ((block_ack_param_set & BLOCKACKPARAM_AMSDU_SUPP_MASK) &&
190 priv->add_ba_param.tx_amsdu &&
191 (priv->aggr_prio_tbl[tid].amsdu != BA_STREAM_NOT_ALLOWED))
192 tx_ba_tbl->amsdu = true;
194 tx_ba_tbl->amsdu = false;
196 ra_list->amsdu_in_ampdu = tx_ba_tbl->amsdu;
197 ra_list->ba_status = BA_SETUP_COMPLETE;
200 mwifiex_dbg(priv->adapter, ERROR, "BA stream not created\n");
207 * This function prepares command of reconfigure Tx buffer.
209 * Preparation includes -
210 * - Setting command ID, action and proper size
211 * - Setting Tx buffer size (for SET only)
212 * - Ensuring correct endian-ness
214 int mwifiex_cmd_recfg_tx_buf(struct mwifiex_private *priv,
215 struct host_cmd_ds_command *cmd, int cmd_action,
218 struct host_cmd_ds_txbuf_cfg *tx_buf = &cmd->params.tx_buf;
219 u16 action = (u16) cmd_action;
221 cmd->command = cpu_to_le16(HostCmd_CMD_RECONFIGURE_TX_BUFF);
223 cpu_to_le16(sizeof(struct host_cmd_ds_txbuf_cfg) + S_DS_GEN);
224 tx_buf->action = cpu_to_le16(action);
226 case HostCmd_ACT_GEN_SET:
227 mwifiex_dbg(priv->adapter, CMD,
228 "cmd: set tx_buf=%d\n", *buf_size);
229 tx_buf->buff_size = cpu_to_le16(*buf_size);
231 case HostCmd_ACT_GEN_GET:
233 tx_buf->buff_size = 0;
240 * This function prepares command of AMSDU aggregation control.
242 * Preparation includes -
243 * - Setting command ID, action and proper size
244 * - Setting AMSDU control parameters (for SET only)
245 * - Ensuring correct endian-ness
247 int mwifiex_cmd_amsdu_aggr_ctrl(struct host_cmd_ds_command *cmd,
249 struct mwifiex_ds_11n_amsdu_aggr_ctrl *aa_ctrl)
251 struct host_cmd_ds_amsdu_aggr_ctrl *amsdu_ctrl =
252 &cmd->params.amsdu_aggr_ctrl;
253 u16 action = (u16) cmd_action;
255 cmd->command = cpu_to_le16(HostCmd_CMD_AMSDU_AGGR_CTRL);
256 cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_amsdu_aggr_ctrl)
258 amsdu_ctrl->action = cpu_to_le16(action);
260 case HostCmd_ACT_GEN_SET:
261 amsdu_ctrl->enable = cpu_to_le16(aa_ctrl->enable);
262 amsdu_ctrl->curr_buf_size = 0;
264 case HostCmd_ACT_GEN_GET:
266 amsdu_ctrl->curr_buf_size = 0;
273 * This function prepares 11n configuration command.
275 * Preparation includes -
276 * - Setting command ID, action and proper size
277 * - Setting HT Tx capability and HT Tx information fields
278 * - Ensuring correct endian-ness
280 int mwifiex_cmd_11n_cfg(struct mwifiex_private *priv,
281 struct host_cmd_ds_command *cmd, u16 cmd_action,
282 struct mwifiex_ds_11n_tx_cfg *txcfg)
284 struct host_cmd_ds_11n_cfg *htcfg = &cmd->params.htcfg;
286 cmd->command = cpu_to_le16(HostCmd_CMD_11N_CFG);
287 cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_11n_cfg) + S_DS_GEN);
288 htcfg->action = cpu_to_le16(cmd_action);
289 htcfg->ht_tx_cap = cpu_to_le16(txcfg->tx_htcap);
290 htcfg->ht_tx_info = cpu_to_le16(txcfg->tx_htinfo);
292 if (priv->adapter->is_hw_11ac_capable)
293 htcfg->misc_config = cpu_to_le16(txcfg->misc_config);
299 * This function appends an 11n TLV to a buffer.
301 * Buffer allocation is responsibility of the calling
302 * function. No size validation is made here.
304 * The function fills up the following sections, if applicable -
306 * - HT information IE (with channel list)
307 * - 20/40 BSS Coexistence IE
308 * - HT Extended Capabilities IE
311 mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv,
312 struct mwifiex_bssdescriptor *bss_desc,
315 struct mwifiex_ie_types_htcap *ht_cap;
316 struct mwifiex_ie_types_htinfo *ht_info;
317 struct mwifiex_ie_types_chan_list_param_set *chan_list;
318 struct mwifiex_ie_types_2040bssco *bss_co_2040;
319 struct mwifiex_ie_types_extcap *ext_cap;
321 struct ieee80211_supported_band *sband;
322 struct ieee_types_header *hdr;
325 if (!buffer || !*buffer)
328 radio_type = mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
329 sband = priv->wdev.wiphy->bands[radio_type];
331 if (bss_desc->bcn_ht_cap) {
332 ht_cap = (struct mwifiex_ie_types_htcap *) *buffer;
333 memset(ht_cap, 0, sizeof(struct mwifiex_ie_types_htcap));
334 ht_cap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
336 cpu_to_le16(sizeof(struct ieee80211_ht_cap));
337 memcpy((u8 *) ht_cap + sizeof(struct mwifiex_ie_types_header),
338 (u8 *)bss_desc->bcn_ht_cap,
339 le16_to_cpu(ht_cap->header.len));
341 mwifiex_fill_cap_info(priv, radio_type, &ht_cap->ht_cap);
342 /* Update HT40 capability from current channel information */
343 if (bss_desc->bcn_ht_oper) {
344 u8 ht_param = bss_desc->bcn_ht_oper->ht_param;
346 mwifiex_band_to_radio_type(bss_desc->bss_band);
348 ieee80211_channel_to_frequency(bss_desc->channel,
350 struct ieee80211_channel *chan =
351 ieee80211_get_channel(priv->adapter->wiphy, freq);
353 switch (ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
354 case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
355 if (chan->flags & IEEE80211_CHAN_NO_HT40PLUS) {
356 ht_cap->ht_cap.cap_info &=
358 (~IEEE80211_HT_CAP_SUP_WIDTH_20_40);
359 ht_cap->ht_cap.cap_info &=
360 cpu_to_le16(~IEEE80211_HT_CAP_SGI_40);
363 case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
364 if (chan->flags & IEEE80211_CHAN_NO_HT40MINUS) {
365 ht_cap->ht_cap.cap_info &=
367 (~IEEE80211_HT_CAP_SUP_WIDTH_20_40);
368 ht_cap->ht_cap.cap_info &=
369 cpu_to_le16(~IEEE80211_HT_CAP_SGI_40);
375 *buffer += sizeof(struct mwifiex_ie_types_htcap);
376 ret_len += sizeof(struct mwifiex_ie_types_htcap);
379 if (bss_desc->bcn_ht_oper) {
380 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
381 ht_info = (struct mwifiex_ie_types_htinfo *) *buffer;
383 sizeof(struct mwifiex_ie_types_htinfo));
384 ht_info->header.type =
385 cpu_to_le16(WLAN_EID_HT_OPERATION);
386 ht_info->header.len =
388 sizeof(struct ieee80211_ht_operation));
390 memcpy((u8 *) ht_info +
391 sizeof(struct mwifiex_ie_types_header),
392 (u8 *)bss_desc->bcn_ht_oper,
393 le16_to_cpu(ht_info->header.len));
395 if (!(sband->ht_cap.cap &
396 IEEE80211_HT_CAP_SUP_WIDTH_20_40))
397 ht_info->ht_oper.ht_param &=
398 ~(IEEE80211_HT_PARAM_CHAN_WIDTH_ANY |
399 IEEE80211_HT_PARAM_CHA_SEC_OFFSET);
401 *buffer += sizeof(struct mwifiex_ie_types_htinfo);
402 ret_len += sizeof(struct mwifiex_ie_types_htinfo);
406 (struct mwifiex_ie_types_chan_list_param_set *) *buffer;
408 sizeof(struct mwifiex_ie_types_chan_list_param_set));
409 chan_list->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
410 chan_list->header.len = cpu_to_le16(
411 sizeof(struct mwifiex_ie_types_chan_list_param_set) -
412 sizeof(struct mwifiex_ie_types_header));
413 chan_list->chan_scan_param[0].chan_number =
414 bss_desc->bcn_ht_oper->primary_chan;
415 chan_list->chan_scan_param[0].radio_type =
416 mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
418 if (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 &&
419 bss_desc->bcn_ht_oper->ht_param &
420 IEEE80211_HT_PARAM_CHAN_WIDTH_ANY)
421 SET_SECONDARYCHAN(chan_list->chan_scan_param[0].
423 (bss_desc->bcn_ht_oper->ht_param &
424 IEEE80211_HT_PARAM_CHA_SEC_OFFSET));
426 *buffer += sizeof(struct mwifiex_ie_types_chan_list_param_set);
427 ret_len += sizeof(struct mwifiex_ie_types_chan_list_param_set);
430 if (bss_desc->bcn_bss_co_2040) {
431 bss_co_2040 = (struct mwifiex_ie_types_2040bssco *) *buffer;
432 memset(bss_co_2040, 0,
433 sizeof(struct mwifiex_ie_types_2040bssco));
434 bss_co_2040->header.type = cpu_to_le16(WLAN_EID_BSS_COEX_2040);
435 bss_co_2040->header.len =
436 cpu_to_le16(sizeof(bss_co_2040->bss_co_2040));
438 memcpy((u8 *) bss_co_2040 +
439 sizeof(struct mwifiex_ie_types_header),
440 bss_desc->bcn_bss_co_2040 +
441 sizeof(struct ieee_types_header),
442 le16_to_cpu(bss_co_2040->header.len));
444 *buffer += sizeof(struct mwifiex_ie_types_2040bssco);
445 ret_len += sizeof(struct mwifiex_ie_types_2040bssco);
448 if (bss_desc->bcn_ext_cap) {
449 hdr = (void *)bss_desc->bcn_ext_cap;
450 ext_cap = (struct mwifiex_ie_types_extcap *) *buffer;
451 memset(ext_cap, 0, sizeof(struct mwifiex_ie_types_extcap));
452 ext_cap->header.type = cpu_to_le16(WLAN_EID_EXT_CAPABILITY);
453 ext_cap->header.len = cpu_to_le16(hdr->len);
455 memcpy((u8 *)ext_cap->ext_capab,
456 bss_desc->bcn_ext_cap + sizeof(struct ieee_types_header),
457 le16_to_cpu(ext_cap->header.len));
460 ext_cap->ext_capab[3] & WLAN_EXT_CAPA4_INTERWORKING_ENABLED)
461 priv->hs2_enabled = true;
463 priv->hs2_enabled = false;
465 *buffer += sizeof(struct mwifiex_ie_types_extcap) + hdr->len;
466 ret_len += sizeof(struct mwifiex_ie_types_extcap) + hdr->len;
473 * This function checks if the given pointer is valid entry of
474 * Tx BA Stream table.
476 static int mwifiex_is_tx_ba_stream_ptr_valid(struct mwifiex_private *priv,
477 struct mwifiex_tx_ba_stream_tbl *tx_tbl_ptr)
479 struct mwifiex_tx_ba_stream_tbl *tx_ba_tsr_tbl;
481 list_for_each_entry(tx_ba_tsr_tbl, &priv->tx_ba_stream_tbl_ptr, list) {
482 if (tx_ba_tsr_tbl == tx_tbl_ptr)
490 * This function deletes the given entry in Tx BA Stream table.
492 * The function also performs a validity check on the supplied
493 * pointer before trying to delete.
495 void mwifiex_11n_delete_tx_ba_stream_tbl_entry(struct mwifiex_private *priv,
496 struct mwifiex_tx_ba_stream_tbl *tx_ba_tsr_tbl)
498 if (!tx_ba_tsr_tbl &&
499 mwifiex_is_tx_ba_stream_ptr_valid(priv, tx_ba_tsr_tbl))
502 mwifiex_dbg(priv->adapter, INFO,
503 "info: tx_ba_tsr_tbl %p\n", tx_ba_tsr_tbl);
505 list_del(&tx_ba_tsr_tbl->list);
507 kfree(tx_ba_tsr_tbl);
511 * This function deletes all the entries in Tx BA Stream table.
513 void mwifiex_11n_delete_all_tx_ba_stream_tbl(struct mwifiex_private *priv)
516 struct mwifiex_tx_ba_stream_tbl *del_tbl_ptr, *tmp_node;
518 spin_lock_bh(&priv->tx_ba_stream_tbl_lock);
519 list_for_each_entry_safe(del_tbl_ptr, tmp_node,
520 &priv->tx_ba_stream_tbl_ptr, list)
521 mwifiex_11n_delete_tx_ba_stream_tbl_entry(priv, del_tbl_ptr);
522 spin_unlock_bh(&priv->tx_ba_stream_tbl_lock);
524 INIT_LIST_HEAD(&priv->tx_ba_stream_tbl_ptr);
526 for (i = 0; i < MAX_NUM_TID; ++i)
527 priv->aggr_prio_tbl[i].ampdu_ap =
528 priv->aggr_prio_tbl[i].ampdu_user;
532 * This function returns the pointer to an entry in BA Stream
533 * table which matches the given RA/TID pair.
535 struct mwifiex_tx_ba_stream_tbl *
536 mwifiex_get_ba_tbl(struct mwifiex_private *priv, int tid, u8 *ra)
538 struct mwifiex_tx_ba_stream_tbl *tx_ba_tsr_tbl;
540 spin_lock_bh(&priv->tx_ba_stream_tbl_lock);
541 list_for_each_entry(tx_ba_tsr_tbl, &priv->tx_ba_stream_tbl_ptr, list) {
542 if (ether_addr_equal_unaligned(tx_ba_tsr_tbl->ra, ra) &&
543 tx_ba_tsr_tbl->tid == tid) {
544 spin_unlock_bh(&priv->tx_ba_stream_tbl_lock);
545 return tx_ba_tsr_tbl;
548 spin_unlock_bh(&priv->tx_ba_stream_tbl_lock);
553 * This function creates an entry in Tx BA stream table for the
556 void mwifiex_create_ba_tbl(struct mwifiex_private *priv, u8 *ra, int tid,
557 enum mwifiex_ba_status ba_status)
559 struct mwifiex_tx_ba_stream_tbl *new_node;
560 struct mwifiex_ra_list_tbl *ra_list;
563 if (!mwifiex_get_ba_tbl(priv, tid, ra)) {
564 new_node = kzalloc(sizeof(struct mwifiex_tx_ba_stream_tbl),
569 tid_down = mwifiex_wmm_downgrade_tid(priv, tid);
570 ra_list = mwifiex_wmm_get_ralist_node(priv, tid_down, ra);
572 ra_list->ba_status = ba_status;
573 ra_list->amsdu_in_ampdu = false;
575 INIT_LIST_HEAD(&new_node->list);
578 new_node->ba_status = ba_status;
579 memcpy(new_node->ra, ra, ETH_ALEN);
581 spin_lock_bh(&priv->tx_ba_stream_tbl_lock);
582 list_add_tail(&new_node->list, &priv->tx_ba_stream_tbl_ptr);
583 spin_unlock_bh(&priv->tx_ba_stream_tbl_lock);
588 * This function sends an add BA request to the given TID/RA pair.
590 int mwifiex_send_addba(struct mwifiex_private *priv, int tid, u8 *peer_mac)
592 struct host_cmd_ds_11n_addba_req add_ba_req;
593 u32 tx_win_size = priv->add_ba_param.tx_win_size;
594 static u8 dialog_tok;
596 u16 block_ack_param_set;
598 mwifiex_dbg(priv->adapter, CMD, "cmd: %s: tid %d\n", __func__, tid);
600 memset(&add_ba_req, 0, sizeof(add_ba_req));
602 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
603 ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
604 priv->adapter->is_hw_11ac_capable &&
605 memcmp(priv->cfg_bssid, peer_mac, ETH_ALEN)) {
606 struct mwifiex_sta_node *sta_ptr;
608 spin_lock_bh(&priv->sta_list_spinlock);
609 sta_ptr = mwifiex_get_sta_entry(priv, peer_mac);
611 spin_unlock_bh(&priv->sta_list_spinlock);
612 mwifiex_dbg(priv->adapter, ERROR,
613 "BA setup with unknown TDLS peer %pM!\n",
617 if (sta_ptr->is_11ac_enabled)
618 tx_win_size = MWIFIEX_11AC_STA_AMPDU_DEF_TXWINSIZE;
619 spin_unlock_bh(&priv->sta_list_spinlock);
622 block_ack_param_set = (u16)((tid << BLOCKACKPARAM_TID_POS) |
623 tx_win_size << BLOCKACKPARAM_WINSIZE_POS |
624 IMMEDIATE_BLOCK_ACK);
626 /* enable AMSDU inside AMPDU */
627 if (priv->add_ba_param.tx_amsdu &&
628 (priv->aggr_prio_tbl[tid].amsdu != BA_STREAM_NOT_ALLOWED))
629 block_ack_param_set |= BLOCKACKPARAM_AMSDU_SUPP_MASK;
631 add_ba_req.block_ack_param_set = cpu_to_le16(block_ack_param_set);
632 add_ba_req.block_ack_tmo = cpu_to_le16((u16)priv->add_ba_param.timeout);
639 add_ba_req.dialog_token = dialog_tok;
640 memcpy(&add_ba_req.peer_mac_addr, peer_mac, ETH_ALEN);
642 /* We don't wait for the response of this command */
643 ret = mwifiex_send_cmd(priv, HostCmd_CMD_11N_ADDBA_REQ,
644 0, 0, &add_ba_req, false);
650 * This function sends a delete BA request to the given TID/RA pair.
652 int mwifiex_send_delba(struct mwifiex_private *priv, int tid, u8 *peer_mac,
655 struct host_cmd_ds_11n_delba delba;
657 uint16_t del_ba_param_set;
659 memset(&delba, 0, sizeof(delba));
661 del_ba_param_set = tid << DELBA_TID_POS;
664 del_ba_param_set |= IEEE80211_DELBA_PARAM_INITIATOR_MASK;
666 del_ba_param_set &= ~IEEE80211_DELBA_PARAM_INITIATOR_MASK;
668 delba.del_ba_param_set = cpu_to_le16(del_ba_param_set);
669 memcpy(&delba.peer_mac_addr, peer_mac, ETH_ALEN);
671 /* We don't wait for the response of this command */
672 ret = mwifiex_send_cmd(priv, HostCmd_CMD_11N_DELBA,
673 HostCmd_ACT_GEN_SET, 0, &delba, false);
679 * This function sends delba to specific tid
681 void mwifiex_11n_delba(struct mwifiex_private *priv, int tid)
683 struct mwifiex_rx_reorder_tbl *rx_reor_tbl_ptr;
685 spin_lock_bh(&priv->rx_reorder_tbl_lock);
686 list_for_each_entry(rx_reor_tbl_ptr, &priv->rx_reorder_tbl_ptr, list) {
687 if (rx_reor_tbl_ptr->tid == tid) {
688 dev_dbg(priv->adapter->dev,
689 "Send delba to tid=%d, %pM\n",
690 tid, rx_reor_tbl_ptr->ta);
691 mwifiex_send_delba(priv, tid, rx_reor_tbl_ptr->ta, 0);
696 spin_unlock_bh(&priv->rx_reorder_tbl_lock);
700 * This function handles the command response of a delete BA request.
702 void mwifiex_11n_delete_ba_stream(struct mwifiex_private *priv, u8 *del_ba)
704 struct host_cmd_ds_11n_delba *cmd_del_ba =
705 (struct host_cmd_ds_11n_delba *) del_ba;
706 uint16_t del_ba_param_set = le16_to_cpu(cmd_del_ba->del_ba_param_set);
709 tid = del_ba_param_set >> DELBA_TID_POS;
711 mwifiex_del_ba_tbl(priv, tid, cmd_del_ba->peer_mac_addr,
712 TYPE_DELBA_RECEIVE, INITIATOR_BIT(del_ba_param_set));
716 * This function retrieves the Rx reordering table.
718 int mwifiex_get_rx_reorder_tbl(struct mwifiex_private *priv,
719 struct mwifiex_ds_rx_reorder_tbl *buf)
722 struct mwifiex_ds_rx_reorder_tbl *rx_reo_tbl = buf;
723 struct mwifiex_rx_reorder_tbl *rx_reorder_tbl_ptr;
726 spin_lock_bh(&priv->rx_reorder_tbl_lock);
727 list_for_each_entry(rx_reorder_tbl_ptr, &priv->rx_reorder_tbl_ptr,
729 rx_reo_tbl->tid = (u16) rx_reorder_tbl_ptr->tid;
730 memcpy(rx_reo_tbl->ta, rx_reorder_tbl_ptr->ta, ETH_ALEN);
731 rx_reo_tbl->start_win = rx_reorder_tbl_ptr->start_win;
732 rx_reo_tbl->win_size = rx_reorder_tbl_ptr->win_size;
733 for (i = 0; i < rx_reorder_tbl_ptr->win_size; ++i) {
734 if (rx_reorder_tbl_ptr->rx_reorder_ptr[i])
735 rx_reo_tbl->buffer[i] = true;
737 rx_reo_tbl->buffer[i] = false;
742 if (count >= MWIFIEX_MAX_RX_BASTREAM_SUPPORTED)
745 spin_unlock_bh(&priv->rx_reorder_tbl_lock);
751 * This function retrieves the Tx BA stream table.
753 int mwifiex_get_tx_ba_stream_tbl(struct mwifiex_private *priv,
754 struct mwifiex_ds_tx_ba_stream_tbl *buf)
756 struct mwifiex_tx_ba_stream_tbl *tx_ba_tsr_tbl;
757 struct mwifiex_ds_tx_ba_stream_tbl *rx_reo_tbl = buf;
760 spin_lock_bh(&priv->tx_ba_stream_tbl_lock);
761 list_for_each_entry(tx_ba_tsr_tbl, &priv->tx_ba_stream_tbl_ptr, list) {
762 rx_reo_tbl->tid = (u16) tx_ba_tsr_tbl->tid;
763 mwifiex_dbg(priv->adapter, DATA, "data: %s tid=%d\n",
764 __func__, rx_reo_tbl->tid);
765 memcpy(rx_reo_tbl->ra, tx_ba_tsr_tbl->ra, ETH_ALEN);
766 rx_reo_tbl->amsdu = tx_ba_tsr_tbl->amsdu;
769 if (count >= MWIFIEX_MAX_TX_BASTREAM_SUPPORTED)
772 spin_unlock_bh(&priv->tx_ba_stream_tbl_lock);
778 * This function retrieves the entry for specific tx BA stream table by RA and
781 void mwifiex_del_tx_ba_stream_tbl_by_ra(struct mwifiex_private *priv, u8 *ra)
783 struct mwifiex_tx_ba_stream_tbl *tbl, *tmp;
788 spin_lock_bh(&priv->tx_ba_stream_tbl_lock);
789 list_for_each_entry_safe(tbl, tmp, &priv->tx_ba_stream_tbl_ptr, list)
790 if (!memcmp(tbl->ra, ra, ETH_ALEN))
791 mwifiex_11n_delete_tx_ba_stream_tbl_entry(priv, tbl);
792 spin_unlock_bh(&priv->tx_ba_stream_tbl_lock);
797 /* This function initializes the BlockACK setup information for given
798 * mwifiex_private structure.
800 void mwifiex_set_ba_params(struct mwifiex_private *priv)
802 priv->add_ba_param.timeout = MWIFIEX_DEFAULT_BLOCK_ACK_TIMEOUT;
804 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
805 priv->add_ba_param.tx_win_size =
806 MWIFIEX_UAP_AMPDU_DEF_TXWINSIZE;
807 priv->add_ba_param.rx_win_size =
808 MWIFIEX_UAP_AMPDU_DEF_RXWINSIZE;
810 priv->add_ba_param.tx_win_size =
811 MWIFIEX_STA_AMPDU_DEF_TXWINSIZE;
812 priv->add_ba_param.rx_win_size =
813 MWIFIEX_STA_AMPDU_DEF_RXWINSIZE;
816 priv->add_ba_param.tx_amsdu = true;
817 priv->add_ba_param.rx_amsdu = true;
822 u8 mwifiex_get_sec_chan_offset(int chan)
839 sec_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
853 sec_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
857 sec_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
864 /* This function will send DELBA to entries in the priv's
868 mwifiex_send_delba_txbastream_tbl(struct mwifiex_private *priv, u8 tid)
870 struct mwifiex_adapter *adapter = priv->adapter;
871 struct mwifiex_tx_ba_stream_tbl *tx_ba_stream_tbl_ptr;
873 list_for_each_entry(tx_ba_stream_tbl_ptr,
874 &priv->tx_ba_stream_tbl_ptr, list) {
875 if (tx_ba_stream_tbl_ptr->ba_status == BA_SETUP_COMPLETE) {
876 if (tid == tx_ba_stream_tbl_ptr->tid) {
877 dev_dbg(adapter->dev,
878 "Tx:Send delba to tid=%d, %pM\n", tid,
879 tx_ba_stream_tbl_ptr->ra);
880 mwifiex_send_delba(priv,
881 tx_ba_stream_tbl_ptr->tid,
882 tx_ba_stream_tbl_ptr->ra, 1);
889 /* This function updates all the tx_win_size
891 void mwifiex_update_ampdu_txwinsize(struct mwifiex_adapter *adapter)
895 struct mwifiex_private *priv;
897 for (i = 0; i < adapter->priv_num; i++) {
898 if (!adapter->priv[i])
900 priv = adapter->priv[i];
901 tx_win_size = priv->add_ba_param.tx_win_size;
903 if (priv->bss_type == MWIFIEX_BSS_TYPE_STA)
904 priv->add_ba_param.tx_win_size =
905 MWIFIEX_STA_AMPDU_DEF_TXWINSIZE;
907 if (priv->bss_type == MWIFIEX_BSS_TYPE_P2P)
908 priv->add_ba_param.tx_win_size =
909 MWIFIEX_STA_AMPDU_DEF_TXWINSIZE;
911 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP)
912 priv->add_ba_param.tx_win_size =
913 MWIFIEX_UAP_AMPDU_DEF_TXWINSIZE;
915 if (adapter->coex_win_size) {
916 if (adapter->coex_tx_win_size)
917 priv->add_ba_param.tx_win_size =
918 adapter->coex_tx_win_size;
921 if (tx_win_size != priv->add_ba_param.tx_win_size) {
922 if (!priv->media_connected)
924 for (i = 0; i < MAX_NUM_TID; i++)
925 mwifiex_send_delba_txbastream_tbl(priv, i);