netdev - [PATCH net-next v3 0/2] tcp: save flowlabel and use for receiver repathing

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Message-ID: <20231006011841.3558307-1-morleyd.kernel@gmail.com>
Date: Fri,  6 Oct 2023 01:18:39 +0000
From: David Morley <morleyd.kernel@...il.com>
To: David Miller <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org,
	David Morley <morleyd@...gle.com>
Subject: [PATCH net-next v3 0/2] tcp: save flowlabel and use for receiver repathing

From: David Morley <morleyd@...gle.com>

This patch series stores the last received ipv6 flowlabel. This last
received flowlabel is then used to help decide whether a packet is
likely an RTO retransmit or the result of a TLP. This new information
is used to better inform the flowlabel change decision for data
receivers.

v2: addressed kernel bot feedback about dccp_delack_timer()
v3: addressed build error introduced by commit bbf80d713fe7 ("tcp:
derive delack_max from rto_min")

David Morley (2):
  tcp: record last received ipv6 flowlabel
  tcp: change data receiver flowlabel after one dup

 include/net/inet_connection_sock.h |  5 ++++-
 include/net/tcp.h                  |  2 ++
 net/dccp/timer.c                   |  4 ++--
 net/ipv4/tcp_input.c               | 29 ++++++++++++++++++++++++++---
 net/ipv4/tcp_timer.c               |  2 +-
 5 files changed, 35 insertions(+), 7 deletions(-)

-- 
2.42.0.582.g8ccd20d70d-goog