This patch set address that the existing DCTCP implementation does not fully implement the ACK policy specified in the RFC. This improves the responsiveness of CE status change particularly on flows with small inflight.
Yuchung Cheng (3): tcp: helpers to send special ack tcp: do not cancel delay-AcK on DCTCP special ACK tcp: do not delay ACK in DCTCP upon CE status change include/net/tcp.h | 2 ++ net/ipv4/tcp_dctcp.c | 52 +++++++++++++------------------------------ net/ipv4/tcp_input.c | 3 ++- net/ipv4/tcp_output.c | 32 +++++++++++++++++++------- 4 files changed, 44 insertions(+), 45 deletions(-) -- 2.18.0.203.gfac676dfb9-goog
