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From: David Miller <davem@davemloft.net>
To: ecree@solarflare.com
Cc: pablo@netfilter.org, jakub.kicinski@netronome.com,
	netfilter-devel@vger.kernel.org, netdev@vger.kernel.org,
	jiri@resnulli.us, saeedm@mellanox.com, vishal@chelsio.com,
	vladbu@mellanox.com
Subject: Re: [PATCH net-next,v5 3/4] net: flow_offload: mangle action at byte level
Date: Thu, 17 Oct 2019 14:02:51 -0400 (EDT)	[thread overview]
Message-ID: <20191017.140251.1580977190222713975.davem@davemloft.net> (raw)
In-Reply-To: <c4d14782-25dd-11a1-4147-2d8547ced3d1@solarflare.com>

From: Edward Cree <ecree@solarflare.com>
Date: Thu, 17 Oct 2019 18:59:22 +0100

> Pedit is supposed to work even in the absence of protocol knowledge in
>  the kernel (e.g. in combination with cls_u32, you can filter and mangle
>  traffic in a completely new protocol), you're turning it into Yet
>  Another Ossified TCP/IP Monoculture.  This is not the direction the
>  networking offloads community is trying to move in.

Agreed, the proposed changes are taking the code and interfaces in
completely the wrong direction.

I agree with Jakub and Edward on all of these points.

  reply	other threads:[~2019-10-17 18:02 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-14 22:10 [PATCH net-next,v5 0/4] flow_offload: update mangle action representation Pablo Neira Ayuso
2019-10-14 22:10 ` [PATCH net-next,v5 1/4] net: flow_offload: flip mangle action mask Pablo Neira Ayuso
2019-10-15  6:05   ` Jiri Pirko
2019-10-14 22:10 ` [PATCH net-next,v5 2/4] net: flow_offload: bitwise AND on mangle action value field Pablo Neira Ayuso
2019-10-15  6:12   ` Jiri Pirko
2019-10-14 22:10 ` [PATCH net-next,v5 3/4] net: flow_offload: mangle action at byte level Pablo Neira Ayuso
2019-10-15  8:48   ` kbuild test robot
2019-10-15  8:48   ` [RFC PATCH] net: flow_offload: tc_proto_udp_hdr[] can be static kbuild test robot
2019-10-16 23:36   ` [PATCH net-next,v5 3/4] net: flow_offload: mangle action at byte level Jakub Kicinski
2019-10-17 16:11     ` Pablo Neira Ayuso
2019-10-17 16:22       ` Pablo Neira Ayuso
2019-10-17 17:59         ` Edward Cree
2019-10-17 18:02           ` David Miller [this message]
2019-10-17 17:30       ` Jakub Kicinski
2019-10-17 17:46         ` Pablo Neira Ayuso
2019-10-17 18:01           ` Edward Cree
2019-10-17 18:03             ` David Miller
2019-10-14 22:10 ` [PATCH net-next,v5 4/4] netfilter: nft_payload: packet mangling offload support Pablo Neira Ayuso

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