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mac80211: take statistics before encryption 

When encryption is used, the number of bytes
sent to the peer increases by the IV and ICV.
This is accounted if software encryption is
used, but not if the devices does hardware
encryption. To make the numbers comparable,
never account for that overhead.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2009-08-10 16:01:54 +02:00 committed by John W. Linville
parent 5e68ff6563
commit feff1f2fea
1 changed files with 18 additions and 18 deletions
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36
net/mac80211/tx.c
View File

@ -843,6 +843,23 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx)
return TX_CONTINUE;
}
static ieee80211_tx_result debug_noinline
ieee80211_tx_h_stats(struct ieee80211_tx_data *tx)
{
struct sk_buff *skb = tx->skb;
if (!tx->sta)
return TX_CONTINUE;
tx->sta->tx_packets++;
do {
tx->sta->tx_fragments++;
tx->sta->tx_bytes += skb->len;
} while ((skb = skb->next));
return TX_CONTINUE;
}
static ieee80211_tx_result debug_noinline
ieee80211_tx_h_encrypt(struct ieee80211_tx_data *tx)
{
@ -887,23 +904,6 @@ ieee80211_tx_h_calculate_duration(struct ieee80211_tx_data *tx)
return TX_CONTINUE;
}
static ieee80211_tx_result debug_noinline
ieee80211_tx_h_stats(struct ieee80211_tx_data *tx)
{
struct sk_buff *skb = tx->skb;
if (!tx->sta)
return TX_CONTINUE;
tx->sta->tx_packets++;
do {
tx->sta->tx_fragments++;
tx->sta->tx_bytes += skb->len;
} while ((skb = skb->next));
return TX_CONTINUE;
}
/* actual transmit path */
/*
@ -1213,9 +1213,9 @@ static int invoke_tx_handlers(struct ieee80211_tx_data *tx)
CALL_TXH(ieee80211_tx_h_sequence)
CALL_TXH(ieee80211_tx_h_fragment)
/* handlers after fragment must be aware of tx info fragmentation! */
CALL_TXH(ieee80211_tx_h_stats)
CALL_TXH(ieee80211_tx_h_encrypt)
CALL_TXH(ieee80211_tx_h_calculate_duration)
CALL_TXH(ieee80211_tx_h_stats)
#undef CALL_TXH
txh_done: