netdev - [PATCH net-next 0/3] tcp: sack compression changes

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Date:   Thu, 30 Apr 2020 10:35:40 -0700
From:   Eric Dumazet <edumazet@...gle.com>
To:     "David S . Miller" <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        Soheil Hassas Yeganeh <soheil@...gle.com>,
        Neal Cardwell <ncardwell@...gle.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Eric Dumazet <eric.dumazet@...il.com>
Subject: [PATCH net-next 0/3] tcp: sack compression changes

Patch series refines SACK compression.

We had issues with missing SACK when TCP option space is tight.

Uses hrtimer slack to improve performance.

Eric Dumazet (3):
  tcp: add tp->dup_ack_counter
  tcp: tcp_sack_new_ofo_skb() should be more conservative
  tcp: add hrtimer slack to sack compression

 Documentation/networking/ip-sysctl.rst |  8 ++++
 include/linux/tcp.h                    |  1 +
 include/net/netns/ipv4.h               |  1 +
 net/ipv4/sysctl_net_ipv4.c             |  7 ++++
 net/ipv4/tcp_input.c                   | 51 ++++++++++++++++++++------
 net/ipv4/tcp_ipv4.c                    |  1 +
 net/ipv4/tcp_output.c                  |  6 +--
 net/ipv4/tcp_timer.c                   |  8 +++-
 8 files changed, 68 insertions(+), 15 deletions(-)

-- 
2.26.2.303.gf8c07b1a785-goog