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>
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@ -3542,7 +3542,9 @@ expected:
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pi->expected_tx_seq = (pi->expected_tx_seq + 1) % 64;
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if (pi->conn_state & L2CAP_CONN_SREJ_SENT) {
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l2cap_add_to_srej_queue(sk, skb, tx_seq, sar);
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bt_cb(skb)->tx_seq = tx_seq;
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bt_cb(skb)->sar = sar;
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__skb_queue_tail(SREJ_QUEUE(sk), skb);
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return 0;
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}
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