From: Yuchung Cheng
Date: Fri, 29 Jan 2016 15:11:50 -0800
> RFC 4015 section 3.4 says the TCP sender MUST refrain from
> reversing the congestion control state when the ACK signals
> congestion through the ECN-Echo flag. Currently we may not
> always do that when prior_ssthresh is reset upon rece
RFC 4015 section 3.4 says the TCP sender MUST refrain from
reversing the congestion control state when the ACK signals
congestion through the ECN-Echo flag. Currently we may not
always do that when prior_ssthresh is reset upon receiving
ACKs with ECE marks. This patch fixes that.
Signed-off-by: Yu
