linux-kernel - [PATCH net 0/2] tcp_metrics: fix hanlding of route options

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Message-ID: <20250613102012.724405-1-ptesarik@suse.com>
Date: Fri, 13 Jun 2025 12:20:10 +0200
From: Petr Tesarik <ptesarik@...e.com>
To: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Neal Cardwell <ncardwell@...gle.com>,
	Kuniyuki Iwashima <kuniyu@...gle.com>,
	netdev@...r.kernel.org (open list:NETWORKING [TCP])
Cc: David Ahern <dsahern@...nel.org>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	linux-kernel@...r.kernel.org (open list),
	Petr Tesarik <ptesarik@...e.com>
Subject: [PATCH net 0/2] tcp_metrics: fix hanlding of route options

I ran into a couple of issues while trying to tweak TCP congestion
avoidance to analyze a potential performance regression. It turns out
that overriding the parameters with ip-route(8) does not work as
expected and appears to be buggy.

Petr Tesarik (2):
  tcp_metrics: set maximum cwnd from the dst entry
  tcp_metrics: use ssthresh value from dst if there is no metrics

 net/ipv4/tcp_metrics.c | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

-- 
2.49.0