mirror of https://gitee.com/openkylin/linux.git
192 lines
6.2 KiB
C
192 lines
6.2 KiB
C
/*
|
|
* Marvell Wireless LAN device driver: 802.11n
|
|
*
|
|
* Copyright (C) 2011-2014, 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.
|
|
*/
|
|
|
|
#ifndef _MWIFIEX_11N_H_
|
|
#define _MWIFIEX_11N_H_
|
|
|
|
#include "11n_aggr.h"
|
|
#include "11n_rxreorder.h"
|
|
#include "wmm.h"
|
|
|
|
int mwifiex_ret_11n_delba(struct mwifiex_private *priv,
|
|
struct host_cmd_ds_command *resp);
|
|
int mwifiex_ret_11n_addba_req(struct mwifiex_private *priv,
|
|
struct host_cmd_ds_command *resp);
|
|
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);
|
|
int mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv,
|
|
struct mwifiex_bssdescriptor *bss_desc,
|
|
u8 **buffer);
|
|
int mwifiex_fill_cap_info(struct mwifiex_private *, u8 radio_type,
|
|
struct ieee80211_ht_cap *);
|
|
int mwifiex_set_get_11n_htcap_cfg(struct mwifiex_private *priv,
|
|
u16 action, int *htcap_cfg);
|
|
void mwifiex_11n_delete_tx_ba_stream_tbl_entry(struct mwifiex_private *priv,
|
|
struct mwifiex_tx_ba_stream_tbl
|
|
*tx_tbl);
|
|
void mwifiex_11n_delete_all_tx_ba_stream_tbl(struct mwifiex_private *priv);
|
|
struct mwifiex_tx_ba_stream_tbl *mwifiex_get_ba_tbl(struct
|
|
mwifiex_private
|
|
*priv, int tid,
|
|
u8 *ra);
|
|
void mwifiex_create_ba_tbl(struct mwifiex_private *priv, u8 *ra, int tid,
|
|
enum mwifiex_ba_status ba_status);
|
|
int mwifiex_send_addba(struct mwifiex_private *priv, int tid, u8 *peer_mac);
|
|
int mwifiex_send_delba(struct mwifiex_private *priv, int tid, u8 *peer_mac,
|
|
int initiator);
|
|
void mwifiex_11n_delete_ba_stream(struct mwifiex_private *priv, u8 *del_ba);
|
|
int mwifiex_get_rx_reorder_tbl(struct mwifiex_private *priv,
|
|
struct mwifiex_ds_rx_reorder_tbl *buf);
|
|
int mwifiex_get_tx_ba_stream_tbl(struct mwifiex_private *priv,
|
|
struct mwifiex_ds_tx_ba_stream_tbl *buf);
|
|
int mwifiex_cmd_recfg_tx_buf(struct mwifiex_private *priv,
|
|
struct host_cmd_ds_command *cmd,
|
|
int cmd_action, u16 *buf_size);
|
|
int mwifiex_cmd_amsdu_aggr_ctrl(struct host_cmd_ds_command *cmd,
|
|
int cmd_action,
|
|
struct mwifiex_ds_11n_amsdu_aggr_ctrl *aa_ctrl);
|
|
void mwifiex_del_tx_ba_stream_tbl_by_ra(struct mwifiex_private *priv, u8 *ra);
|
|
u8 mwifiex_get_sec_chan_offset(int chan);
|
|
|
|
static inline u8
|
|
mwifiex_is_station_ampdu_allowed(struct mwifiex_private *priv,
|
|
struct mwifiex_ra_list_tbl *ptr, int tid)
|
|
{
|
|
struct mwifiex_sta_node *node = mwifiex_get_sta_entry(priv, ptr->ra);
|
|
|
|
if (unlikely(!node))
|
|
return false;
|
|
|
|
return (node->ampdu_sta[tid] != BA_STREAM_NOT_ALLOWED) ? true : false;
|
|
}
|
|
|
|
/* This function checks whether AMPDU is allowed or not for a particular TID. */
|
|
static inline u8
|
|
mwifiex_is_ampdu_allowed(struct mwifiex_private *priv,
|
|
struct mwifiex_ra_list_tbl *ptr, int tid)
|
|
{
|
|
if (is_broadcast_ether_addr(ptr->ra))
|
|
return false;
|
|
if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
|
|
return mwifiex_is_station_ampdu_allowed(priv, ptr, tid);
|
|
} else {
|
|
if (ptr->tdls_link)
|
|
return mwifiex_is_station_ampdu_allowed(priv, ptr, tid);
|
|
|
|
return (priv->aggr_prio_tbl[tid].ampdu_ap !=
|
|
BA_STREAM_NOT_ALLOWED) ? true : false;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This function checks whether AMSDU is allowed or not for a particular TID.
|
|
*/
|
|
static inline u8
|
|
mwifiex_is_amsdu_allowed(struct mwifiex_private *priv, int tid)
|
|
{
|
|
return (((priv->aggr_prio_tbl[tid].amsdu != BA_STREAM_NOT_ALLOWED) &&
|
|
(priv->is_data_rate_auto || !(priv->bitmap_rates[2] & 0x03)))
|
|
? true : false);
|
|
}
|
|
|
|
/*
|
|
* This function checks whether a space is available for new BA stream or not.
|
|
*/
|
|
static inline u8 mwifiex_space_avail_for_new_ba_stream(
|
|
struct mwifiex_adapter *adapter)
|
|
{
|
|
struct mwifiex_private *priv;
|
|
u8 i;
|
|
u32 ba_stream_num = 0, ba_stream_max;
|
|
|
|
ba_stream_max = MWIFIEX_MAX_TX_BASTREAM_SUPPORTED;
|
|
|
|
for (i = 0; i < adapter->priv_num; i++) {
|
|
priv = adapter->priv[i];
|
|
if (priv)
|
|
ba_stream_num += mwifiex_wmm_list_len(
|
|
&priv->tx_ba_stream_tbl_ptr);
|
|
}
|
|
|
|
if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
|
|
ba_stream_max =
|
|
GETSUPP_TXBASTREAMS(adapter->hw_dot_11n_dev_cap);
|
|
if (!ba_stream_max)
|
|
ba_stream_max = MWIFIEX_MAX_TX_BASTREAM_SUPPORTED;
|
|
}
|
|
|
|
return ((ba_stream_num < ba_stream_max) ? true : false);
|
|
}
|
|
|
|
/*
|
|
* This function finds the correct Tx BA stream to delete.
|
|
*
|
|
* Upon successfully locating, both the TID and the RA are returned.
|
|
*/
|
|
static inline u8
|
|
mwifiex_find_stream_to_delete(struct mwifiex_private *priv, int ptr_tid,
|
|
int *ptid, u8 *ra)
|
|
{
|
|
int tid;
|
|
u8 ret = false;
|
|
struct mwifiex_tx_ba_stream_tbl *tx_tbl;
|
|
unsigned long flags;
|
|
|
|
tid = priv->aggr_prio_tbl[ptr_tid].ampdu_user;
|
|
|
|
spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags);
|
|
list_for_each_entry(tx_tbl, &priv->tx_ba_stream_tbl_ptr, list) {
|
|
if (tid > priv->aggr_prio_tbl[tx_tbl->tid].ampdu_user) {
|
|
tid = priv->aggr_prio_tbl[tx_tbl->tid].ampdu_user;
|
|
*ptid = tx_tbl->tid;
|
|
memcpy(ra, tx_tbl->ra, ETH_ALEN);
|
|
ret = true;
|
|
}
|
|
}
|
|
spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* This function checks whether associated station is 11n enabled
|
|
*/
|
|
static inline int mwifiex_is_sta_11n_enabled(struct mwifiex_private *priv,
|
|
struct mwifiex_sta_node *node)
|
|
{
|
|
|
|
if (!node || (priv->bss_role != MWIFIEX_BSS_ROLE_UAP) ||
|
|
!priv->ap_11n_enabled)
|
|
return 0;
|
|
|
|
return node->is_11n_enabled;
|
|
}
|
|
|
|
static inline u8
|
|
mwifiex_tdls_peer_11n_enabled(struct mwifiex_private *priv, const u8 *ra)
|
|
{
|
|
struct mwifiex_sta_node *node = mwifiex_get_sta_entry(priv, ra);
|
|
if (node)
|
|
return node->is_11n_enabled;
|
|
|
|
return false;
|
|
}
|
|
#endif /* !_MWIFIEX_11N_H_ */
|