linux-kernel - Re: [PATCH net v4 2/2] net: gro: add flush check in udp_gro_receive

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Message-ID: <663139575e4d7_32e7ba29446@willemb.c.googlers.com.notmuch>
Date: Tue, 30 Apr 2024 14:32:55 -0400
From: Willem de Bruijn <willemdebruijn.kernel@...il.com>
To: Richard Gobert <richardbgobert@...il.com>, 
 davem@...emloft.net, 
 edumazet@...gle.com, 
 kuba@...nel.org, 
 pabeni@...hat.com, 
 dsahern@...nel.org, 
 willemdebruijn.kernel@...il.com, 
 alobakin@...me, 
 netdev@...r.kernel.org, 
 linux-kernel@...r.kernel.org
Cc: Richard Gobert <richardbgobert@...il.com>
Subject: Re: [PATCH net v4 2/2] net: gro: add flush check in
 udp_gro_receive_segment

Richard Gobert wrote:
> GRO-GSO path is supposed to be transparent and as such L3 flush checks are
> relevant to all UDP flows merging in GRO. This patch uses the same logic
> and code from tcp_gro_receive, terminating merge if flush is non zero.
> 
> Fixes: e20cf8d3f1f7 ("udp: implement GRO for plain UDP sockets.")
> Signed-off-by: Richard Gobert <richardbgobert@...il.com>

Reviewed-by: Willem de Bruijn <willemb@...gle.com>