netdev - Re: [PATCH v4 net-next 12/13] tcp: accecn: detect loss ACK w/ AccECN option and add TCP_ACCECN_OPTION

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Message-ID: <9ad5cdc8-c900-4ada-ba62-5ee313829bac@redhat.com>
Date: Thu, 16 Oct 2025 11:25:06 +0200
From: Paolo Abeni <pabeni@...hat.com>
To: chia-yu.chang@...ia-bell-labs.com, edumazet@...gle.com,
 linux-doc@...r.kernel.org, corbet@....net, horms@...nel.org,
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Subject: Re: [PATCH v4 net-next 12/13] tcp: accecn: detect loss ACK w/ AccECN
 option and add TCP_ACCECN_OPTION_PERSIST

On 10/13/25 7:03 PM, chia-yu.chang@...ia-bell-labs.com wrote:
> diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
> index 61aada9f3a6f..edfcce235d2c 100644
> --- a/net/ipv4/tcp_input.c
> +++ b/net/ipv4/tcp_input.c
> @@ -4808,6 +4808,7 @@ static void tcp_dsack_extend(struct sock *sk, u32 seq, u32 end_seq)
>  
>  static void tcp_rcv_spurious_retrans(struct sock *sk, const struct sk_buff *skb)
>  {
> +	struct tcp_sock *tp = tcp_sk(sk);

Minot nit: An empty line is needed here.

/P