linux-kernel - Re: [PATCH net-next v24 11/23] ovpn: implement TCP transport

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Message-ID: <Z-u5p_QLkLKtcxsb@krikkit>
Date: Tue, 1 Apr 2025 12:02:15 +0200
From: Sabrina Dubroca <sd@...asysnail.net>
To: Antonio Quartulli <antonio@...nvpn.net>
Cc: netdev@...r.kernel.org, Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Donald Hunter <donald.hunter@...il.com>,
	Shuah Khan <shuah@...nel.org>, ryazanov.s.a@...il.com,
	Andrew Lunn <andrew+netdev@...n.ch>,
	Simon Horman <horms@...nel.org>, linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org, Xiao Liang <shaw.leon@...il.com>,
	David Ahern <dsahern@...nel.org>
Subject: Re: [PATCH net-next v24 11/23] ovpn: implement TCP transport

2025-03-18, 02:40:46 +0100, Antonio Quartulli wrote:
> +static void ovpn_tcp_rcv(struct strparser *strp, struct sk_buff *skb)
> +{
[...]
> +	/* we need the first byte of data to be accessible

nit: and "first byte" here too (that comment could maybe just be dropped?)

> +	 * to extract the opcode and the key ID later on
> +	 */
> +	if (!pskb_may_pull(skb, OVPN_OPCODE_SIZE)) {
> +		net_warn_ratelimited("%s: packet too small to fetch opcode for peer %u\n",
> +				     netdev_name(peer->ovpn->dev), peer->id);
> +		goto err;
> +	}

-- 
Sabrina