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From: David Miller <davem@davemloft.net>
To: Jason@zx2c4.com
Cc: kuba@kernel.org, netdev@vger.kernel.org, thomas@sockpuppet.org,
	adhipati@tuta.io, dsahern@gmail.com, toke@redhat.com,
	alexei.starovoitov@gmail.com
Subject: Re: [PATCH net v4] net: xdp: account for layer 3 packets in generic skb handler
Date: Fri, 14 Aug 2020 14:26:56 -0700 (PDT)	[thread overview]
Message-ID: <20200814.142656.1061722366614948972.davem@davemloft.net> (raw)
In-Reply-To: <CAHmME9rt-8Z1FJo9YSEqQHyEd1178cfizNa08BiakZYr+FR=Wg@mail.gmail.com>

From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Fri, 14 Aug 2020 23:04:56 +0200

> What? No. It comes up repeatedly because people want to reuse their
> XDP processing logic with layer 3 devices.

XDP is a layer 2 packet processing technology.  It assumes an L2
ethernet and/or VLAN header is going to be there.

Putting a pretend ethernet header there doesn't really change that.


  reply	other threads:[~2020-08-14 21:26 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-13 19:58 Jason A. Donenfeld
2020-08-13 21:01 ` Jakub Kicinski
2020-08-14  6:56   ` Jason A. Donenfeld
2020-08-14  7:30     ` [PATCH net v5] " Jason A. Donenfeld
2020-08-14 20:55       ` David Miller
2020-08-14 20:57         ` Jason A. Donenfeld
2020-08-15  7:41         ` [PATCH net v6] " Jason A. Donenfeld
2020-08-19  7:07           ` Jesper Dangaard Brouer
2020-08-19 23:22           ` David Miller
2020-08-20  9:13             ` Jason A. Donenfeld
2020-08-20 18:55               ` David Miller
2020-08-20 20:29                 ` Jason A. Donenfeld
2020-08-14 15:31     ` [PATCH net v4] " Jakub Kicinski
2020-08-14 21:04       ` Jason A. Donenfeld
2020-08-14 21:26         ` David Miller [this message]
2020-08-15  7:54           ` Jason A. Donenfeld
2020-08-14 21:14       ` David Miller

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