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842668417c
For files 11n.c, 11n.h, 11n_aggr.c, 11n_rxreorder.c Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
162 lines
5.4 KiB
C
162 lines
5.4 KiB
C
/*
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* Marvell Wireless LAN device driver: 802.11n
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*
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* Copyright (C) 2011, Marvell International Ltd.
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*
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* This software file (the "File") is distributed by Marvell International
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* Ltd. under the terms of the GNU General Public License Version 2, June 1991
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* (the "License"). You may use, redistribute and/or modify this File in
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* accordance with the terms and conditions of the License, a copy of which
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* is available by writing to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
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* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
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*
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* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
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* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
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* this warranty disclaimer.
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*/
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#ifndef _MWIFIEX_11N_H_
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#define _MWIFIEX_11N_H_
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#include "11n_aggr.h"
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#include "11n_rxreorder.h"
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#include "wmm.h"
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int mwifiex_ret_11n_delba(struct mwifiex_private *priv,
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struct host_cmd_ds_command *resp);
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int mwifiex_ret_11n_addba_req(struct mwifiex_private *priv,
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struct host_cmd_ds_command *resp);
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int mwifiex_ret_11n_cfg(struct host_cmd_ds_command *resp,
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struct mwifiex_ds_11n_tx_cfg *tx_cfg);
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int mwifiex_cmd_11n_cfg(struct host_cmd_ds_command *cmd, u16 cmd_action,
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struct mwifiex_ds_11n_tx_cfg *txcfg);
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int mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv,
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struct mwifiex_bssdescriptor *bss_desc,
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u8 **buffer);
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void mwifiex_cfg_tx_buf(struct mwifiex_private *priv,
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struct mwifiex_bssdescriptor *bss_desc);
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void mwifiex_fill_cap_info(struct mwifiex_private *, u8 radio_type,
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struct mwifiex_ie_types_htcap *);
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int mwifiex_set_get_11n_htcap_cfg(struct mwifiex_private *priv,
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u16 action, int *htcap_cfg);
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void mwifiex_11n_delete_tx_ba_stream_tbl_entry(struct mwifiex_private *priv,
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struct mwifiex_tx_ba_stream_tbl
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*tx_tbl);
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void mwifiex_11n_delete_all_tx_ba_stream_tbl(struct mwifiex_private *priv);
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struct mwifiex_tx_ba_stream_tbl *mwifiex_get_ba_tbl(struct
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mwifiex_private
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*priv, int tid,
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u8 *ra);
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void mwifiex_create_ba_tbl(struct mwifiex_private *priv, u8 *ra, int tid,
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enum mwifiex_ba_status ba_status);
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int mwifiex_send_addba(struct mwifiex_private *priv, int tid, u8 *peer_mac);
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int mwifiex_send_delba(struct mwifiex_private *priv, int tid, u8 *peer_mac,
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int initiator);
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void mwifiex_11n_delete_ba_stream(struct mwifiex_private *priv, u8 *del_ba);
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int mwifiex_get_rx_reorder_tbl(struct mwifiex_private *priv,
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struct mwifiex_ds_rx_reorder_tbl *buf);
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int mwifiex_get_tx_ba_stream_tbl(struct mwifiex_private *priv,
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struct mwifiex_ds_tx_ba_stream_tbl *buf);
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int mwifiex_ret_amsdu_aggr_ctrl(struct host_cmd_ds_command *resp,
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struct mwifiex_ds_11n_amsdu_aggr_ctrl
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*amsdu_aggr_ctrl);
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int mwifiex_cmd_recfg_tx_buf(struct mwifiex_private *priv,
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struct host_cmd_ds_command *cmd,
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int cmd_action, u16 *buf_size);
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int mwifiex_cmd_amsdu_aggr_ctrl(struct host_cmd_ds_command *cmd,
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int cmd_action,
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struct mwifiex_ds_11n_amsdu_aggr_ctrl *aa_ctrl);
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/*
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* This function checks whether AMPDU is allowed or not for a particular TID.
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*/
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static inline u8
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mwifiex_is_ampdu_allowed(struct mwifiex_private *priv, int tid)
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{
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return ((priv->aggr_prio_tbl[tid].ampdu_ap != BA_STREAM_NOT_ALLOWED)
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? true : false);
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}
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/*
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* This function checks whether AMSDU is allowed or not for a particular TID.
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*/
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static inline u8
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mwifiex_is_amsdu_allowed(struct mwifiex_private *priv, int tid)
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{
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return (((priv->aggr_prio_tbl[tid].amsdu != BA_STREAM_NOT_ALLOWED) &&
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(priv->is_data_rate_auto || !(priv->bitmap_rates[2] & 0x03)))
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? true : false);
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}
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/*
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* This function checks whether a space is available for new BA stream or not.
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*/
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static inline u8 mwifiex_space_avail_for_new_ba_stream(
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struct mwifiex_adapter *adapter)
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{
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struct mwifiex_private *priv;
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u8 i;
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u32 ba_stream_num = 0;
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for (i = 0; i < adapter->priv_num; i++) {
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priv = adapter->priv[i];
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if (priv)
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ba_stream_num += mwifiex_wmm_list_len(
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(struct list_head *)
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&priv->tx_ba_stream_tbl_ptr);
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}
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return ((ba_stream_num <
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MWIFIEX_MAX_TX_BASTREAM_SUPPORTED) ? true : false);
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}
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/*
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* This function finds the correct Tx BA stream to delete.
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*
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* Upon successfully locating, both the TID and the RA are returned.
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*/
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static inline u8
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mwifiex_find_stream_to_delete(struct mwifiex_private *priv, int ptr_tid,
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int *ptid, u8 *ra)
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{
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int tid;
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u8 ret = false;
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struct mwifiex_tx_ba_stream_tbl *tx_tbl;
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unsigned long flags;
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tid = priv->aggr_prio_tbl[ptr_tid].ampdu_user;
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spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags);
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list_for_each_entry(tx_tbl, &priv->tx_ba_stream_tbl_ptr, list) {
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if (tid > priv->aggr_prio_tbl[tx_tbl->tid].ampdu_user) {
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tid = priv->aggr_prio_tbl[tx_tbl->tid].ampdu_user;
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*ptid = tx_tbl->tid;
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memcpy(ra, tx_tbl->ra, ETH_ALEN);
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ret = true;
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}
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}
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spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags);
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return ret;
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}
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/*
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* This function checks whether BA stream is set up or not.
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*/
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static inline int
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mwifiex_is_ba_stream_setup(struct mwifiex_private *priv,
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struct mwifiex_ra_list_tbl *ptr, int tid)
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{
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struct mwifiex_tx_ba_stream_tbl *tx_tbl;
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tx_tbl = mwifiex_get_ba_tbl(priv, tid, ptr->ra);
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if (tx_tbl && IS_BASTREAM_SETUP(tx_tbl))
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return true;
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return false;
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}
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#endif /* !_MWIFIEX_11N_H_ */
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