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| author | Gustavo F. Padovan <padovan@profusion.mobi> | 2010-05-01 21:15:42 +0200 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2010-05-10 09:28:50 +0200 |
| commit | 3b1a9f3fa6ad842991538da2c3b2e29e047b131f (patch) | |
| tree | 7d555cfaf3a017ded7bb1dc970b8a7caca37e348 /net/bluetooth | |
| parent | Bluetooth: Fix drop of acked packets on ERTM (diff) | |
| download | linux-3b1a9f3fa6ad842991538da2c3b2e29e047b131f.tar.xz linux-3b1a9f3fa6ad842991538da2c3b2e29e047b131f.zip | |
Bluetooth: Optimize SREJ_QUEUE append
When the I-frame received is the expected, i.e., its tx_seq is equal to
expected_tx_seq and we are under a SREJ, we can just add it to the tail
of the list. Doing that we change the complexity from O(n) to O(1).
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Reviewed-by: João Paulo Rechi Vita <jprvita@profusion.mobi>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/l2cap.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index 042fd967e79c..187f46dd8309 100644 --- a/net/bluetooth/l2cap.c +++ b/net/bluetooth/l2cap.c @@ -3542,7 +3542,9 @@ expected: pi->expected_tx_seq = (pi->expected_tx_seq + 1) % 64; if (pi->conn_state & L2CAP_CONN_SREJ_SENT) { - l2cap_add_to_srej_queue(sk, skb, tx_seq, sar); + bt_cb(skb)->tx_seq = tx_seq; + bt_cb(skb)->sar = sar; + __skb_queue_tail(SREJ_QUEUE(sk), skb); return 0; } |