netdev - Re: [PATCH net v2] ipv4: raw: Fix sending packets from raw sockets via IPsec tunnels

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Date: Tue, 19 Mar 2024 10:43:22 +0100
From: Nicolas Dichtel <nicolas.dichtel@...nd.com>
To: Tobias Brunner <tobias@...ongswan.org>,
 "David S. Miller" <davem@...emloft.net>, David Ahern <dsahern@...nel.org>
Cc: netdev@...r.kernel.org, Steffen Klassert <steffen.klassert@...unet.com>,
 Herbert Xu <herbert@...dor.apana.org.au>
Subject: Re: [PATCH net v2] ipv4: raw: Fix sending packets from raw sockets
 via IPsec tunnels

Le 15/03/2024 à 15:35, Tobias Brunner a écrit :
> Since the referenced commit, the xfrm_inner_extract_output() function
> uses the protocol field to determine the address family.  So not setting
> it for IPv4 raw sockets meant that such packets couldn't be tunneled via
> IPsec anymore.
> 
> IPv6 raw sockets are not affected as they already set the protocol since
> 9c9c9ad5fae7 ("ipv6: set skb->protocol on tcp, raw and ip6_append_data
> genereated skbs").
> 
> Fixes: f4796398f21b ("xfrm: Remove inner/outer modes from output path")
> Signed-off-by: Tobias Brunner <tobias@...ongswan.org>

Reviewed-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>