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由 Priyaranjan Jha 提交于
Fixes DSACK-based undo when sender is in Open State and an ACK advances snd_una. Example scenario: - Sender goes into recovery and makes some spurious rtx. - It comes out of recovery and enters into open state. - It sends some more packets, let's say 4. - The receiver sends an ACK for the first two, but this ACK is lost. - The sender receives ack for first two, and DSACK for previous spurious rtx. Signed-off-by: NPriyaranjan Jha <priyarjha@google.com> Signed-off-by: NYuchung Cheng <ycheng@google.com> Signed-off-by: NNeal Cardwell <ncardwell@google.com> Acked-by: NYousuk Seung <ysseung@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
d09b9e60