netdev - [PATCH net-next 00/10] tcp: drop reason additions

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Message-Id: <20220416001048.2218911-1-eric.dumazet@gmail.com>
Date:   Fri, 15 Apr 2022 17:10:38 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     netdev <netdev@...r.kernel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Eric Dumazet <eric.dumazet@...il.com>
Subject: [PATCH net-next 00/10] tcp: drop reason additions

From: Eric Dumazet <edumazet@...gle.com>

Currently, TCP is either missing drop reasons,
or pretending that some useful packets are dropped.

This patch series makes "perf record -a -e skb:kfree_skb"
much more usable.

Eric Dumazet (10):
  tcp: consume incoming skb leading to a reset
  tcp: get rid of rst_seq_match
  tcp: add drop reason support to tcp_validate_incoming()
  tcp: make tcp_rcv_state_process() drop monitor friendly
  tcp: add drop reasons to tcp_rcv_state_process()
  tcp: add two drop reasons for tcp_ack()
  tcp: add drop reason support to tcp_prune_ofo_queue()
  tcp: make tcp_rcv_synsent_state_process() drop monitor friend
  tcp: add drop reasons to tcp_rcv_synsent_state_process()
  tcp: add drop reason support to tcp_ofo_queue()

 include/linux/skbuff.h     |  13 ++++
 include/trace/events/skb.h |  14 ++++
 net/ipv4/tcp_input.c       | 127 +++++++++++++++++++++----------------
 3 files changed, 100 insertions(+), 54 deletions(-)

-- 
2.36.0.rc0.470.gd361397f0d-goog