netdev - Re: [PATCH net-next 1/2] bpf: ipv4: Prepare __bpf_redirect_neigh_v4() to future .flowi4

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Message-ID: <ZzDBdSZPTZ1OvcAX@shredder>
Date: Sun, 10 Nov 2024 16:21:41 +0200
From: Ido Schimmel <idosch@...dia.com>
To: Guillaume Nault <gnault@...hat.com>
Cc: David Miller <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>,
	netdev@...r.kernel.org, Simon Horman <horms@...nel.org>,
	Martin KaFai Lau <martin.lau@...ux.dev>,
	Daniel Borkmann <daniel@...earbox.net>,
	John Fastabend <john.fastabend@...il.com>,
	Alexei Starovoitov <ast@...nel.org>,
	Andrii Nakryiko <andrii@...nel.org>,
	Eduard Zingerman <eddyz87@...il.com>, Song Liu <song@...nel.org>,
	Yonghong Song <yonghong.song@...ux.dev>,
	KP Singh <kpsingh@...nel.org>, Stanislav Fomichev <sdf@...ichev.me>,
	Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
	bpf@...r.kernel.org
Subject: Re: [PATCH net-next 1/2] bpf: ipv4: Prepare
 __bpf_redirect_neigh_v4() to future .flowi4_tos conversion.

On Fri, Nov 08, 2024 at 05:47:12PM +0100, Guillaume Nault wrote:
> Use ip4h_dscp() to get the DSCP from the IPv4 header, then convert the
> dscp_t value to __u8 with inet_dscp_to_dsfield().
> 
> Then, when we'll convert .flowi4_tos to dscp_t, we'll just have to drop
> the inet_dscp_to_dsfield() call.
> 
> Signed-off-by: Guillaume Nault <gnault@...hat.com>

Reviewed-by: Ido Schimmel <idosch@...dia.com>