netdev - [PATCH net-next 0/2] tcp: add sysctl_tcp_rto_min

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Date: Tue, 28 May 2024 17:13:18 +0000
From: Kevin Yang <yyd@...gle.com>
To: David Miller <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, Kevin Yang <yyd@...gle.com>
Subject: [PATCH net-next 0/2] tcp: add sysctl_tcp_rto_min_us

Adding a sysctl knob to allow user to specify a default
rto_min at socket init time.

After this patch series, the rto_min will has multiple sources:
route option has the highest precedence, followed by the
TCP_BPF_RTO_MIN socket option, followed by this new
tcp_rto_min_us sysctl.

Kevin Yang (2):
  tcp: derive delack_max with tcp_rto_min helper
  tcp: add sysctl_tcp_rto_min_us

 Documentation/networking/ip-sysctl.rst | 13 +++++++++++++
 include/net/netns/ipv4.h               |  1 +
 net/ipv4/sysctl_net_ipv4.c             |  8 ++++++++
 net/ipv4/tcp.c                         |  3 ++-
 net/ipv4/tcp_ipv4.c                    |  1 +
 net/ipv4/tcp_output.c                  | 11 ++---------
 6 files changed, 27 insertions(+), 10 deletions(-)

-- 
2.45.1.288.g0e0cd299f1-goog