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mwifiex: change default tx/rx win_size for BA setup

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This patch fixes an issue where RX throughput values observed
were substantially lower than TX counterparts for PCIe8897 STA.
PCIe8897 supports larger rx_win_size. After changing these values
we see big improvement for TX and RX throughput values.

Different tx_win_size and rx_win_size are used for AP mode.

All BA setup related initialization has been moved to separate
function.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Sagar Bijwe <bsagar@marvell.com>
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>
This commit is contained in:
Avinash Patil 2013-03-27 19:10:31 -07:00 committed by John W. Linville
parent 9a574cd67a
commit 04abc0a330
4 changed files with 29 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/net/wireless/mwifiex/11n.c
View File

@ -679,3 +679,25 @@ void mwifiex_del_tx_ba_stream_tbl_by_ra(struct mwifiex_private *priv, u8 *ra)
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;
}

7
drivers/net/wireless/mwifiex/decl.h
View File

@ -41,8 +41,11 @@
#define MWIFIEX_MAX_TX_BASTREAM_SUPPORTED 2
#define MWIFIEX_MAX_RX_BASTREAM_SUPPORTED 16
#define MWIFIEX_AMPDU_DEF_TXWINSIZE 32
#define MWIFIEX_AMPDU_DEF_RXWINSIZE 16
#define MWIFIEX_STA_AMPDU_DEF_TXWINSIZE 16
#define MWIFIEX_STA_AMPDU_DEF_RXWINSIZE 32
#define MWIFIEX_UAP_AMPDU_DEF_TXWINSIZE 32
#define MWIFIEX_UAP_AMPDU_DEF_RXWINSIZE 16
#define MWIFIEX_DEFAULT_BLOCK_ACK_TIMEOUT 0xffff
#define MWIFIEX_RATE_BITMAP_MCS0 32

1
drivers/net/wireless/mwifiex/main.h
View File

@ -924,6 +924,7 @@ void
mwifiex_set_wmm_params(struct mwifiex_private *priv,
struct mwifiex_uap_bss_param *bss_cfg,
struct cfg80211_ap_settings *params);
void mwifiex_set_ba_params(struct mwifiex_private *priv);
/*
* This function checks if the queuing is RA based or not.

5
drivers/net/wireless/mwifiex/wmm.c
View File

@ -436,10 +436,7 @@ mwifiex_wmm_init(struct mwifiex_adapter *adapter)
= priv->aggr_prio_tbl[7].ampdu_user
= BA_STREAM_NOT_ALLOWED;
priv->add_ba_param.timeout = MWIFIEX_DEFAULT_BLOCK_ACK_TIMEOUT;
priv->add_ba_param.tx_win_size = MWIFIEX_AMPDU_DEF_TXWINSIZE;
priv->add_ba_param.rx_win_size = MWIFIEX_AMPDU_DEF_RXWINSIZE;
mwifiex_set_ba_params(priv);
mwifiex_reset_11n_rx_seq_num(priv);
atomic_set(&priv->wmm.tx_pkts_queued, 0);