1 files changed, 0 insertions, 703 deletions

diff --git a/drivers/net/wireless/mwifiex/11n.c b/drivers/net/wireless/mwifiex/11n.c
deleted file mode 100644
index 41e9d25a2d8e..000000000000
--- a/drivers/net/wireless/mwifiex/11n.c
+++ /dev/null
@@ -1,703 +0,0 @@
-/*
- * Marvell Wireless LAN device driver: 802.11n
- *
- * Copyright (C) 2011, Marvell International Ltd.
- *
- * This software file (the "File") is distributed by Marvell International
- * Ltd. under the terms of the GNU General Public License Version 2, June 1991
- * (the "License").  You may use, redistribute and/or modify this File in
- * accordance with the terms and conditions of the License, a copy of which
- * is available by writing to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
- * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
- *
- * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
- * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
- * this warranty disclaimer.
- */
-
-#include "decl.h"
-#include "ioctl.h"
-#include "util.h"
-#include "fw.h"
-#include "main.h"
-#include "wmm.h"
-#include "11n.h"
-
-/*
- * Fills HT capability information field, AMPDU Parameters field, HT extended
- * capability field, and supported MCS set fields.
- *
- * HT capability information field, AMPDU Parameters field, supported MCS set
- * fields are retrieved from cfg80211 stack
- *
- * RD responder bit to set to clear in the extended capability header.
- */
-void
-mwifiex_fill_cap_info(struct mwifiex_private *priv, u8 radio_type,
-		      struct mwifiex_ie_types_htcap *ht_cap)
-{
-	uint16_t ht_ext_cap = le16_to_cpu(ht_cap->ht_cap.extended_ht_cap_info);
-	struct ieee80211_supported_band *sband =
-					priv->wdev->wiphy->bands[radio_type];
-
-	ht_cap->ht_cap.ampdu_params_info =
-		(sband->ht_cap.ampdu_factor &
-		 IEEE80211_HT_AMPDU_PARM_FACTOR) |
-		((sband->ht_cap.ampdu_density <<
-		 IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT) &
-		 IEEE80211_HT_AMPDU_PARM_DENSITY);
-
-	memcpy((u8 *) &ht_cap->ht_cap.mcs, &sband->ht_cap.mcs,
-	       sizeof(sband->ht_cap.mcs));
-
-	if (priv->bss_mode == NL80211_IFTYPE_STATION ||
-	    (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 &&
-	     (priv->adapter->sec_chan_offset !=
-					IEEE80211_HT_PARAM_CHA_SEC_NONE)))
-		/* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
-		SETHT_MCS32(ht_cap->ht_cap.mcs.rx_mask);
-
-	/* Clear RD responder bit */
-	ht_ext_cap &= ~IEEE80211_HT_EXT_CAP_RD_RESPONDER;
-
-	ht_cap->ht_cap.cap_info = cpu_to_le16(sband->ht_cap.cap);
-	ht_cap->ht_cap.extended_ht_cap_info = cpu_to_le16(ht_ext_cap);
-}
-
-/*
- * This function returns the pointer to an entry in BA Stream
- * table which matches the requested BA status.
- */
-static struct mwifiex_tx_ba_stream_tbl *
-mwifiex_get_ba_status(struct mwifiex_private *priv,
-		      enum mwifiex_ba_status ba_status)
-{
-	struct mwifiex_tx_ba_stream_tbl *tx_ba_tsr_tbl;
-	unsigned long flags;
-
-	spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags);
-	list_for_each_entry(tx_ba_tsr_tbl, &priv->tx_ba_stream_tbl_ptr, list) {
-		if (tx_ba_tsr_tbl->ba_status == ba_status) {
-			spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock,
-					       flags);
-			return tx_ba_tsr_tbl;
-		}
-	}
-	spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags);
-	return NULL;
-}
-
-/*
- * This function handles the command response of delete a block
- * ack request.
- *
- * The function checks the response success status and takes action
- * accordingly (send an add BA request in case of success, or recreate
- * the deleted stream in case of failure, if the add BA was also
- * initiated by us).
- */
-int mwifiex_ret_11n_delba(struct mwifiex_private *priv,
-			  struct host_cmd_ds_command *resp)
-{
-	int tid;
-	struct mwifiex_tx_ba_stream_tbl *tx_ba_tbl;
-	struct host_cmd_ds_11n_delba *del_ba = &resp->params.del_ba;
-	uint16_t del_ba_param_set = le16_to_cpu(del_ba->del_ba_param_set);
-
-	tid = del_ba_param_set >> DELBA_TID_POS;
-	if (del_ba->del_result == BA_RESULT_SUCCESS) {
-		mwifiex_del_ba_tbl(priv, tid, del_ba->peer_mac_addr,
-				   TYPE_DELBA_SENT,
-				   INITIATOR_BIT(del_ba_param_set));
-
-		tx_ba_tbl = mwifiex_get_ba_status(priv, BA_SETUP_INPROGRESS);
-		if (tx_ba_tbl)
-			mwifiex_send_addba(priv, tx_ba_tbl->tid,
-					   tx_ba_tbl->ra);
-	} else { /*
-		  * In case of failure, recreate the deleted stream in case
-		  * we initiated the ADDBA
-		  */
-		if (!INITIATOR_BIT(del_ba_param_set))
-			return 0;
-
-		mwifiex_create_ba_tbl(priv, del_ba->peer_mac_addr, tid,
-				      BA_SETUP_INPROGRESS);
-
-		tx_ba_tbl = mwifiex_get_ba_status(priv, BA_SETUP_INPROGRESS);
-
-		if (tx_ba_tbl)
-			mwifiex_del_ba_tbl(priv, tx_ba_tbl->tid, tx_ba_tbl->ra,
-					   TYPE_DELBA_SENT, true);
-	}
-
-	return 0;
-}
-
-/*
- * This function handles the command response of add a block
- * ack request.
- *
- * Handling includes changing the header fields to CPU formats, checking
- * the response success status and taking actions accordingly (delete the
- * BA stream table in case of failure).
- */
-int mwifiex_ret_11n_addba_req(struct mwifiex_private *priv,
-			      struct host_cmd_ds_command *resp)
-{
-	int tid;
-	struct host_cmd_ds_11n_addba_rsp *add_ba_rsp = &resp->params.add_ba_rsp;
-	struct mwifiex_tx_ba_stream_tbl *tx_ba_tbl;
-
-	add_ba_rsp->ssn = cpu_to_le16((le16_to_cpu(add_ba_rsp->ssn))
-			& SSN_MASK);
-
-	tid = (le16_to_cpu(add_ba_rsp->block_ack_param_set)
-		& IEEE80211_ADDBA_PARAM_TID_MASK)
-		>> BLOCKACKPARAM_TID_POS;
-	if (le16_to_cpu(add_ba_rsp->status_code) == BA_RESULT_SUCCESS) {
-		tx_ba_tbl = mwifiex_get_ba_tbl(priv, tid,
-						add_ba_rsp->peer_mac_addr);
-		if (tx_ba_tbl) {
-			dev_dbg(priv->adapter->dev, "info: BA stream complete\n");
-			tx_ba_tbl->ba_status = BA_SETUP_COMPLETE;
-		} else {
-			dev_err(priv->adapter->dev, "BA stream not created\n");
-		}
-	} else {
-		mwifiex_del_ba_tbl(priv, tid, add_ba_rsp->peer_mac_addr,
-				   TYPE_DELBA_SENT, true);
-		if (add_ba_rsp->add_rsp_result != BA_RESULT_TIMEOUT)
-			priv->aggr_prio_tbl[tid].ampdu_ap =
-				BA_STREAM_NOT_ALLOWED;
-	}
-
-	return 0;
-}
-
-/*
- * This function prepares command of reconfigure Tx buffer.
- *
- * Preparation includes -
- *      - Setting command ID, action and proper size
- *      - Setting Tx buffer size (for SET only)
- *      - Ensuring correct endian-ness
- */
-int mwifiex_cmd_recfg_tx_buf(struct mwifiex_private *priv,
-			     struct host_cmd_ds_command *cmd, int cmd_action,
-			     u16 *buf_size)
-{
-	struct host_cmd_ds_txbuf_cfg *tx_buf = &cmd->params.tx_buf;
-	u16 action = (u16) cmd_action;
-
-	cmd->command = cpu_to_le16(HostCmd_CMD_RECONFIGURE_TX_BUFF);
-	cmd->size =
-		cpu_to_le16(sizeof(struct host_cmd_ds_txbuf_cfg) + S_DS_GEN);
-	tx_buf->action = cpu_to_le16(action);
-	switch (action) {
-	case HostCmd_ACT_GEN_SET:
-		dev_dbg(priv->adapter->dev, "cmd: set tx_buf=%d\n", *buf_size);
-		tx_buf->buff_size = cpu_to_le16(*buf_size);
-		break;
-	case HostCmd_ACT_GEN_GET:
-	default:
-		tx_buf->buff_size = 0;
-		break;
-	}
-	return 0;
-}
-
-/*
- * This function prepares command of AMSDU aggregation control.
- *
- * Preparation includes -
- *      - Setting command ID, action and proper size
- *      - Setting AMSDU control parameters (for SET only)
- *      - Ensuring correct endian-ness
- */
-int mwifiex_cmd_amsdu_aggr_ctrl(struct host_cmd_ds_command *cmd,
-				int cmd_action,
-				struct mwifiex_ds_11n_amsdu_aggr_ctrl *aa_ctrl)
-{
-	struct host_cmd_ds_amsdu_aggr_ctrl *amsdu_ctrl =
-		&cmd->params.amsdu_aggr_ctrl;
-	u16 action = (u16) cmd_action;
-
-	cmd->command = cpu_to_le16(HostCmd_CMD_AMSDU_AGGR_CTRL);
-	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_amsdu_aggr_ctrl)
-				+ S_DS_GEN);
-	amsdu_ctrl->action = cpu_to_le16(action);
-	switch (action) {
-	case HostCmd_ACT_GEN_SET:
-		amsdu_ctrl->enable = cpu_to_le16(aa_ctrl->enable);
-		amsdu_ctrl->curr_buf_size = 0;
-		break;
-	case HostCmd_ACT_GEN_GET:
-	default:
-		amsdu_ctrl->curr_buf_size = 0;
-		break;
-	}
-	return 0;
-}
-
-/*
- * This function prepares 11n configuration command.
- *
- * Preparation includes -
- *      - Setting command ID, action and proper size
- *      - Setting HT Tx capability and HT Tx information fields
- *      - Ensuring correct endian-ness
- */
-int mwifiex_cmd_11n_cfg(struct mwifiex_private *priv,
-			struct host_cmd_ds_command *cmd, u16 cmd_action,
-			struct mwifiex_ds_11n_tx_cfg *txcfg)
-{
-	struct host_cmd_ds_11n_cfg *htcfg = &cmd->params.htcfg;
-
-	cmd->command = cpu_to_le16(HostCmd_CMD_11N_CFG);
-	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_11n_cfg) + S_DS_GEN);
-	htcfg->action = cpu_to_le16(cmd_action);
-	htcfg->ht_tx_cap = cpu_to_le16(txcfg->tx_htcap);
-	htcfg->ht_tx_info = cpu_to_le16(txcfg->tx_htinfo);
-
-	if (priv->adapter->is_hw_11ac_capable)
-		htcfg->misc_config = cpu_to_le16(txcfg->misc_config);
-
-	return 0;
-}
-
-/*
- * This function appends an 11n TLV to a buffer.
- *
- * Buffer allocation is responsibility of the calling
- * function. No size validation is made here.
- *
- * The function fills up the following sections, if applicable -
- *      - HT capability IE
- *      - HT information IE (with channel list)
- *      - 20/40 BSS Coexistence IE
- *      - HT Extended Capabilities IE
- */
-int
-mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv,
-			   struct mwifiex_bssdescriptor *bss_desc,
-			   u8 **buffer)
-{
-	struct mwifiex_ie_types_htcap *ht_cap;
-	struct mwifiex_ie_types_htinfo *ht_info;
-	struct mwifiex_ie_types_chan_list_param_set *chan_list;
-	struct mwifiex_ie_types_2040bssco *bss_co_2040;
-	struct mwifiex_ie_types_extcap *ext_cap;
-	int ret_len = 0;
-	struct ieee80211_supported_band *sband;
-	u8 radio_type;
-
-	if (!buffer || !*buffer)
-		return ret_len;
-
-	radio_type = mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
-	sband = priv->wdev->wiphy->bands[radio_type];
-
-	if (bss_desc->bcn_ht_cap) {
-		ht_cap = (struct mwifiex_ie_types_htcap *) *buffer;
-		memset(ht_cap, 0, sizeof(struct mwifiex_ie_types_htcap));
-		ht_cap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
-		ht_cap->header.len =
-				cpu_to_le16(sizeof(struct ieee80211_ht_cap));
-		memcpy((u8 *) ht_cap + sizeof(struct mwifiex_ie_types_header),
-		       (u8 *) bss_desc->bcn_ht_cap +
-		       sizeof(struct ieee_types_header),
-		       le16_to_cpu(ht_cap->header.len));
-
-		mwifiex_fill_cap_info(priv, radio_type, ht_cap);
-
-		*buffer += sizeof(struct mwifiex_ie_types_htcap);
-		ret_len += sizeof(struct mwifiex_ie_types_htcap);
-	}
-
-	if (bss_desc->bcn_ht_oper) {
-		if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
-			ht_info = (struct mwifiex_ie_types_htinfo *) *buffer;
-			memset(ht_info, 0,
-			       sizeof(struct mwifiex_ie_types_htinfo));
-			ht_info->header.type =
-					cpu_to_le16(WLAN_EID_HT_OPERATION);
-			ht_info->header.len =
-				cpu_to_le16(
-					sizeof(struct ieee80211_ht_operation));
-
-			memcpy((u8 *) ht_info +
-			       sizeof(struct mwifiex_ie_types_header),
-			       (u8 *) bss_desc->bcn_ht_oper +
-			       sizeof(struct ieee_types_header),
-			       le16_to_cpu(ht_info->header.len));
-
-			if (!(sband->ht_cap.cap &
-					IEEE80211_HT_CAP_SUP_WIDTH_20_40))
-				ht_info->ht_oper.ht_param &=
-					~(IEEE80211_HT_PARAM_CHAN_WIDTH_ANY |
-					IEEE80211_HT_PARAM_CHA_SEC_OFFSET);
-
-			*buffer += sizeof(struct mwifiex_ie_types_htinfo);
-			ret_len += sizeof(struct mwifiex_ie_types_htinfo);
-		}
-
-		chan_list =
-			(struct mwifiex_ie_types_chan_list_param_set *) *buffer;
-		memset(chan_list, 0,
-		       sizeof(struct mwifiex_ie_types_chan_list_param_set));
-		chan_list->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
-		chan_list->header.len = cpu_to_le16(
-			sizeof(struct mwifiex_ie_types_chan_list_param_set) -
-			sizeof(struct mwifiex_ie_types_header));
-		chan_list->chan_scan_param[0].chan_number =
-			bss_desc->bcn_ht_oper->primary_chan;
-		chan_list->chan_scan_param[0].radio_type =
-			mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
-
-		if (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 &&
-		    bss_desc->bcn_ht_oper->ht_param &
-		    IEEE80211_HT_PARAM_CHAN_WIDTH_ANY)
-			SET_SECONDARYCHAN(chan_list->chan_scan_param[0].
-					  radio_type,
-					  (bss_desc->bcn_ht_oper->ht_param &
-					  IEEE80211_HT_PARAM_CHA_SEC_OFFSET));
-
-		*buffer += sizeof(struct mwifiex_ie_types_chan_list_param_set);
-		ret_len += sizeof(struct mwifiex_ie_types_chan_list_param_set);
-	}
-
-	if (bss_desc->bcn_bss_co_2040) {
-		bss_co_2040 = (struct mwifiex_ie_types_2040bssco *) *buffer;
-		memset(bss_co_2040, 0,
-		       sizeof(struct mwifiex_ie_types_2040bssco));
-		bss_co_2040->header.type = cpu_to_le16(WLAN_EID_BSS_COEX_2040);
-		bss_co_2040->header.len =
-		       cpu_to_le16(sizeof(bss_co_2040->bss_co_2040));
-
-		memcpy((u8 *) bss_co_2040 +
-		       sizeof(struct mwifiex_ie_types_header),
-		       bss_desc->bcn_bss_co_2040 +
-		       sizeof(struct ieee_types_header),
-		       le16_to_cpu(bss_co_2040->header.len));
-
-		*buffer += sizeof(struct mwifiex_ie_types_2040bssco);
-		ret_len += sizeof(struct mwifiex_ie_types_2040bssco);
-	}
-
-	if (bss_desc->bcn_ext_cap) {
-		ext_cap = (struct mwifiex_ie_types_extcap *) *buffer;
-		memset(ext_cap, 0, sizeof(struct mwifiex_ie_types_extcap));
-		ext_cap->header.type = cpu_to_le16(WLAN_EID_EXT_CAPABILITY);
-		ext_cap->header.len = cpu_to_le16(sizeof(ext_cap->ext_cap));
-
-		memcpy((u8 *)ext_cap + sizeof(struct mwifiex_ie_types_header),
-		       bss_desc->bcn_ext_cap + sizeof(struct ieee_types_header),
-		       le16_to_cpu(ext_cap->header.len));
-
-		*buffer += sizeof(struct mwifiex_ie_types_extcap);
-		ret_len += sizeof(struct mwifiex_ie_types_extcap);
-	}
-
-	return ret_len;
-}
-
-/*
- * This function checks if the given pointer is valid entry of
- * Tx BA Stream table.
- */
-static int mwifiex_is_tx_ba_stream_ptr_valid(struct mwifiex_private *priv,
-				struct mwifiex_tx_ba_stream_tbl *tx_tbl_ptr)
-{
-	struct mwifiex_tx_ba_stream_tbl *tx_ba_tsr_tbl;
-
-	list_for_each_entry(tx_ba_tsr_tbl, &priv->tx_ba_stream_tbl_ptr, list) {
-		if (tx_ba_tsr_tbl == tx_tbl_ptr)
-			return true;
-	}
-
-	return false;
-}
-
-/*
- * This function deletes the given entry in Tx BA Stream table.
- *
- * The function also performs a validity check on the supplied
- * pointer before trying to delete.
- */
-void mwifiex_11n_delete_tx_ba_stream_tbl_entry(struct mwifiex_private *priv,
-				struct mwifiex_tx_ba_stream_tbl *tx_ba_tsr_tbl)
-{
-	if (!tx_ba_tsr_tbl &&
-	    mwifiex_is_tx_ba_stream_ptr_valid(priv, tx_ba_tsr_tbl))
-		return;
-
-	dev_dbg(priv->adapter->dev, "info: tx_ba_tsr_tbl %p\n", tx_ba_tsr_tbl);
-
-	list_del(&tx_ba_tsr_tbl->list);
-
-	kfree(tx_ba_tsr_tbl);
-}
-
-/*
- * This function deletes all the entries in Tx BA Stream table.
- */
-void mwifiex_11n_delete_all_tx_ba_stream_tbl(struct mwifiex_private *priv)
-{
-	int i;
-	struct mwifiex_tx_ba_stream_tbl *del_tbl_ptr, *tmp_node;
-	unsigned long flags;
-
-	spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags);
-	list_for_each_entry_safe(del_tbl_ptr, tmp_node,
-				 &priv->tx_ba_stream_tbl_ptr, list)
-		mwifiex_11n_delete_tx_ba_stream_tbl_entry(priv, del_tbl_ptr);
-	spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags);
-
-	INIT_LIST_HEAD(&priv->tx_ba_stream_tbl_ptr);
-
-	for (i = 0; i < MAX_NUM_TID; ++i)
-		priv->aggr_prio_tbl[i].ampdu_ap =
-			priv->aggr_prio_tbl[i].ampdu_user;
-}
-
-/*
- * This function returns the pointer to an entry in BA Stream
- * table which matches the given RA/TID pair.
- */
-struct mwifiex_tx_ba_stream_tbl *
-mwifiex_get_ba_tbl(struct mwifiex_private *priv, int tid, u8 *ra)
-{
-	struct mwifiex_tx_ba_stream_tbl *tx_ba_tsr_tbl;
-	unsigned long flags;
-
-	spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags);
-	list_for_each_entry(tx_ba_tsr_tbl, &priv->tx_ba_stream_tbl_ptr, list) {
-		if (!memcmp(tx_ba_tsr_tbl->ra, ra, ETH_ALEN) &&
-		    tx_ba_tsr_tbl->tid == tid) {
-			spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock,
-					       flags);
-			return tx_ba_tsr_tbl;
-		}
-	}
-	spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags);
-	return NULL;
-}
-
-/*
- * This function creates an entry in Tx BA stream table for the
- * given RA/TID pair.
- */
-void mwifiex_create_ba_tbl(struct mwifiex_private *priv, u8 *ra, int tid,
-			   enum mwifiex_ba_status ba_status)
-{
-	struct mwifiex_tx_ba_stream_tbl *new_node;
-	unsigned long flags;
-
-	if (!mwifiex_get_ba_tbl(priv, tid, ra)) {
-		new_node = kzalloc(sizeof(struct mwifiex_tx_ba_stream_tbl),
-				   GFP_ATOMIC);
-		if (!new_node)
-			return;
-
-		INIT_LIST_HEAD(&new_node->list);
-
-		new_node->tid = tid;
-		new_node->ba_status = ba_status;
-		memcpy(new_node->ra, ra, ETH_ALEN);
-
-		spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags);
-		list_add_tail(&new_node->list, &priv->tx_ba_stream_tbl_ptr);
-		spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags);
-	}
-}
-
-/*
- * This function sends an add BA request to the given TID/RA pair.
- */
-int mwifiex_send_addba(struct mwifiex_private *priv, int tid, u8 *peer_mac)
-{
-	struct host_cmd_ds_11n_addba_req add_ba_req;
-	static u8 dialog_tok;
-	int ret;
-
-	dev_dbg(priv->adapter->dev, "cmd: %s: tid %d\n", __func__, tid);
-
-	add_ba_req.block_ack_param_set = cpu_to_le16(
-		(u16) ((tid << BLOCKACKPARAM_TID_POS) |
-			 (priv->add_ba_param.
-			  tx_win_size << BLOCKACKPARAM_WINSIZE_POS) |
-			 IMMEDIATE_BLOCK_ACK));
-	add_ba_req.block_ack_tmo = cpu_to_le16((u16)priv->add_ba_param.timeout);
-
-	++dialog_tok;
-
-	if (dialog_tok == 0)
-		dialog_tok = 1;
-
-	add_ba_req.dialog_token = dialog_tok;
-	memcpy(&add_ba_req.peer_mac_addr, peer_mac, ETH_ALEN);
-
-	/* We don't wait for the response of this command */
-	ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_11N_ADDBA_REQ,
-				     0, 0, &add_ba_req);
-
-	return ret;
-}
-
-/*
- * This function sends a delete BA request to the given TID/RA pair.
- */
-int mwifiex_send_delba(struct mwifiex_private *priv, int tid, u8 *peer_mac,
-		       int initiator)
-{
-	struct host_cmd_ds_11n_delba delba;
-	int ret;
-	uint16_t del_ba_param_set;
-
-	memset(&delba, 0, sizeof(delba));
-	delba.del_ba_param_set = cpu_to_le16(tid << DELBA_TID_POS);
-
-	del_ba_param_set = le16_to_cpu(delba.del_ba_param_set);
-	if (initiator)
-		del_ba_param_set |= IEEE80211_DELBA_PARAM_INITIATOR_MASK;
-	else
-		del_ba_param_set &= ~IEEE80211_DELBA_PARAM_INITIATOR_MASK;
-
-	memcpy(&delba.peer_mac_addr, peer_mac, ETH_ALEN);
-
-	/* We don't wait for the response of this command */
-	ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_11N_DELBA,
-				     HostCmd_ACT_GEN_SET, 0, &delba);
-
-	return ret;
-}
-
-/*
- * This function handles the command response of a delete BA request.
- */
-void mwifiex_11n_delete_ba_stream(struct mwifiex_private *priv, u8 *del_ba)
-{
-	struct host_cmd_ds_11n_delba *cmd_del_ba =
-		(struct host_cmd_ds_11n_delba *) del_ba;
-	uint16_t del_ba_param_set = le16_to_cpu(cmd_del_ba->del_ba_param_set);
-	int tid;
-
-	tid = del_ba_param_set >> DELBA_TID_POS;
-
-	mwifiex_del_ba_tbl(priv, tid, cmd_del_ba->peer_mac_addr,
-			   TYPE_DELBA_RECEIVE, INITIATOR_BIT(del_ba_param_set));
-}
-
-/*
- * This function retrieves the Rx reordering table.
- */
-int mwifiex_get_rx_reorder_tbl(struct mwifiex_private *priv,
-			       struct mwifiex_ds_rx_reorder_tbl *buf)
-{
-	int i;
-	struct mwifiex_ds_rx_reorder_tbl *rx_reo_tbl = buf;
-	struct mwifiex_rx_reorder_tbl *rx_reorder_tbl_ptr;
-	int count = 0;
-	unsigned long flags;
-
-	spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags);
-	list_for_each_entry(rx_reorder_tbl_ptr, &priv->rx_reorder_tbl_ptr,
-			    list) {
-		rx_reo_tbl->tid = (u16) rx_reorder_tbl_ptr->tid;
-		memcpy(rx_reo_tbl->ta, rx_reorder_tbl_ptr->ta, ETH_ALEN);
-		rx_reo_tbl->start_win = rx_reorder_tbl_ptr->start_win;
-		rx_reo_tbl->win_size = rx_reorder_tbl_ptr->win_size;
-		for (i = 0; i < rx_reorder_tbl_ptr->win_size; ++i) {
-			if (rx_reorder_tbl_ptr->rx_reorder_ptr[i])
-				rx_reo_tbl->buffer[i] = true;
-			else
-				rx_reo_tbl->buffer[i] = false;
-		}
-		rx_reo_tbl++;
-		count++;
-
-		if (count >= MWIFIEX_MAX_RX_BASTREAM_SUPPORTED)
-			break;
-	}
-	spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags);
-
-	return count;
-}
-
-/*
- * This function retrieves the Tx BA stream table.
- */
-int mwifiex_get_tx_ba_stream_tbl(struct mwifiex_private *priv,
-				 struct mwifiex_ds_tx_ba_stream_tbl *buf)
-{
-	struct mwifiex_tx_ba_stream_tbl *tx_ba_tsr_tbl;
-	struct mwifiex_ds_tx_ba_stream_tbl *rx_reo_tbl = buf;
-	int count = 0;
-	unsigned long flags;
-
-	spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags);
-	list_for_each_entry(tx_ba_tsr_tbl, &priv->tx_ba_stream_tbl_ptr, list) {
-		rx_reo_tbl->tid = (u16) tx_ba_tsr_tbl->tid;
-		dev_dbg(priv->adapter->dev, "data: %s tid=%d\n",
-			__func__, rx_reo_tbl->tid);
-		memcpy(rx_reo_tbl->ra, tx_ba_tsr_tbl->ra, ETH_ALEN);
-		rx_reo_tbl++;
-		count++;
-		if (count >= MWIFIEX_MAX_TX_BASTREAM_SUPPORTED)
-			break;
-	}
-	spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags);
-
-	return count;
-}
-
-/*
- * This function retrieves the entry for specific tx BA stream table by RA and
- * deletes it.
- */
-void mwifiex_del_tx_ba_stream_tbl_by_ra(struct mwifiex_private *priv, u8 *ra)
-{
-	struct mwifiex_tx_ba_stream_tbl *tbl, *tmp;
-	unsigned long flags;
-
-	if (!ra)
-		return;
-
-	spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags);
-	list_for_each_entry_safe(tbl, tmp, &priv->tx_ba_stream_tbl_ptr, list) {
-		if (!memcmp(tbl->ra, ra, ETH_ALEN)) {
-			spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock,
-					       flags);
-			mwifiex_11n_delete_tx_ba_stream_tbl_entry(priv, tbl);
-			spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags);
-		}
-	}
-	spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags);
-
-	return;
-}
-
-/* This function initializes the BlockACK setup information for given
- * mwifiex_private structure.
- */
-void mwifiex_set_ba_params(struct mwifiex_private *priv)
-{
-	priv->add_ba_param.timeout = MWIFIEX_DEFAULT_BLOCK_ACK_TIMEOUT;
-
-	if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
-		priv->add_ba_param.tx_win_size =
-						MWIFIEX_UAP_AMPDU_DEF_TXWINSIZE;
-		priv->add_ba_param.rx_win_size =
-						MWIFIEX_UAP_AMPDU_DEF_RXWINSIZE;
-	} else {
-		priv->add_ba_param.tx_win_size =
-						MWIFIEX_STA_AMPDU_DEF_TXWINSIZE;
-		priv->add_ba_param.rx_win_size =
-						MWIFIEX_STA_AMPDU_DEF_RXWINSIZE;
-	}
-
-	return;
-}