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mac80211: do not fragment while aggregation is in use 

This patch denies the use of framentation while ampdu is used.

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ron Rindjunsky 2008-06-12 15:42:29 +03:00 committed by John W. Linville
parent 58d0f3610e
commit 8d5e0d58b3
1 changed files with 4 additions and 4 deletions
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8
net/mac80211/tx.c
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@ -660,9 +660,8 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx)
/*
* Warn when submitting a fragmented A-MPDU frame and drop it.
* This is an error and needs to be fixed elsewhere, but when
* done needs to take care of monitor interfaces (injection)
* etc.
* This scenario is handled in __ieee80211_tx_prepare but extra
* caution taken here as fragmented ampdu may cause Tx stop.
*/
if (WARN_ON(tx->flags & IEEE80211_TX_CTL_AMPDU ||
skb_get_queue_mapping(tx->skb) >=
@ -981,7 +980,8 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
if (tx->flags & IEEE80211_TX_FRAGMENTED) {
if ((tx->flags & IEEE80211_TX_UNICAST) &&
skb->len + FCS_LEN > local->fragmentation_threshold &&
!local->ops->set_frag_threshold)
!local->ops->set_frag_threshold &&
!(info->flags & IEEE80211_TX_CTL_AMPDU))
tx->flags |= IEEE80211_TX_FRAGMENTED;
else
tx->flags &= ~IEEE80211_TX_FRAGMENTED;