netdev - Re: [PATCH net v2 4/4] tcp: fix passive TFO socket having invalid NAPI ID

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Message-ID: <20250617212952.1914360-1-kuni1840@gmail.com>
Date: Tue, 17 Jun 2025 14:29:44 -0700
From: Kuniyuki Iwashima <kuni1840@...il.com>
To: dw@...idwei.uk
Cc: andrew+netdev@...n.ch,
	davem@...emloft.net,
	dsahern@...nel.org,
	edumazet@...gle.com,
	horms@...nel.org,
	kuba@...nel.org,
	kuni1840@...il.com,
	ncardwell@...gle.com,
	netdev@...r.kernel.org,
	pabeni@...hat.com,
	shuah@...nel.org,
	Kuniyuki Iwashima <kuniyu@...gle.com>
Subject: Re: [PATCH net v2 4/4] tcp: fix passive TFO socket having invalid NAPI ID

From: David Wei <dw@...idwei.uk>
Date: Tue, 17 Jun 2025 14:21:02 -0700
> There is a bug with passive TFO sockets returning an invalid NAPI ID 0
> from SO_INCOMING_NAPI_ID. Normally this is not an issue, but zero copy
> receive relies on a correct NAPI ID to process sockets on the right
> queue.
> 
> Fix by adding a sk_mark_napi_id_set().
> 
> Fixes: e5907459ce7e ("tcp: Record Rx hash and NAPI ID in tcp_child_process")
> Signed-off-by: David Wei <dw@...idwei.uk>

Reviewed-by: Kuniyuki Iwashima <kuniyu@...gle.com>