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mwifiex: disable transmission buffer aggregation for AMSDU packets 

Padding per MSDU will affect the length of next packet and hence
the exact length of next packet is uncertain here.

Also, aggregation of transmission buffer, while downloading the
data to the card, wont gain much on the AMSDU packets as the AMSDU
packets utilizes the transmission buffer space to the maximum
(adapter->tx_buf_size).

Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Yogesh Ashok Powar 2011-06-06 14:54:17 +05:30 committed by John W. Linville
parent fb3c19bc96
commit 36cb7cce23
1 changed files with 13 additions and 5 deletions
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18
drivers/net/wireless/mwifiex/11n_aggr.c
View File

@ -233,11 +233,19 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv,
skb_push(skb_aggr, headroom);
tx_param.next_pkt_len = ((pra_list->total_pkts_size) ?
(((pra_list->total_pkts_size) >
adapter->tx_buf_size) ? adapter->
tx_buf_size : pra_list->total_pkts_size +
LLC_SNAP_LEN + sizeof(struct txpd)) : 0);
/*
* Padding per MSDU will affect the length of next
* packet and hence the exact length of next packet
* is uncertain here.
*
* Also, aggregation of transmission buffer, while
* downloading the data to the card, wont gain much
* on the AMSDU packets as the AMSDU packets utilizes
* the transmission buffer space to the maximum
* (adapter->tx_buf_size).
*/
tx_param.next_pkt_len = 0;
ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_DATA,
skb_aggr->data,
skb_aggr->len, &tx_param);