netdev - Re: [PATCH 00/12] flow_dissector: Dissect UDP encapsulation protocols

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Message-ID: <20240801091633.55b2ae5f@kernel.org>
Date: Thu, 1 Aug 2024 09:16:33 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Tom Herbert <tom@...bertland.com>
Cc: davem@...emloft.net, edumazet@...gle.com, netdev@...r.kernel.org,
 felipe@...anda.io
Subject: Re: [PATCH 00/12] flow_dissector: Dissect UDP encapsulation
 protocols

On Wed, 31 Jul 2024 10:23:20 -0700 Tom Herbert wrote:
> Add support in flow_dissector for dissecting into UDP
> encapsulations like VXLAN. __skb_flow_dissect_udp is called for
> IPPROTO_UDP. The flag FLOW_DISSECTOR_F_PARSE_UDP_ENCAPS enables parsing
> of UDP encapsulations. If the flag is set when parsing a UDP packet then
> a socket lookup is performed. The offset of the base network header,
> either an IPv4 or IPv6 header, is tracked and passed to
> __skb_flow_dissect_udp so that it can perform the socket lookup.
> If a socket is found and it's for a UDP encapsulation (encap_type is
> set in the UDP socket) then a switch is performed on the encap_type
> value (cases are UDP_ENCAP_* values)

Appears to break build for allmodconfig
-- 
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