Re: [net PATCH 0/2] tcp: Address issues with ECT0 not being set in DCTCP packets

2020-11-20 Thread Jakub Kicinski
On Thu, 19 Nov 2020 13:23:43 -0800 Alexander Duyck wrote: > This patch set is meant to address issues seen with SYN/ACK packets not > containing the ECT0 bit when DCTCP is configured as the congestion control > algorithm for a TCP socket. > > A simple test using "tcpdump" and "test_progs -t bpf_tc

[net PATCH 0/2] tcp: Address issues with ECT0 not being set in DCTCP packets

2020-11-19 Thread Alexander Duyck
This patch set is meant to address issues seen with SYN/ACK packets not containing the ECT0 bit when DCTCP is configured as the congestion control algorithm for a TCP socket. A simple test using "tcpdump" and "test_progs -t bpf_tcp_ca" makes the issue obvious. Looking at the packets will result in