From: Eric Dumazet <eric.duma...@gmail.com> Date: Fri, 21 Aug 2015 12:30:00 -0700
> From: Eric Dumazet <eduma...@google.com> > > slow start after idle might reduce cwnd, but we perform this > after first packet was cooked and sent. > > With TSO/GSO, it means that we might send a full TSO packet > even if cwnd should have been reduced to IW10. > > Moving the SSAI check in skb_entail() makes sense, because > we slightly reduce number of times this check is done, > especially for large send() and TCP Small queue callbacks from > softirq context. > > As Neal pointed out, we also need to perform the check > if/when receive window opens. > > Tested: > > Following packetdrill test demonstrates the problem ... > Signed-off-by: Eric Dumazet <eduma...@google.com> Applied, thanks Eric. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
