From: "Toke Høiland-Jørgensen" <toke@redhat•com>
To: Lorenzo Bianconi <lorenzo@kernel•org>,
bpf@vger•kernel.org, netdev@vger•kernel.org
Cc: davem@davemloft•net, kuba@kernel•org, ast@kernel•org,
daniel@iogearbox•net, brouer@redhat•com, pabeni@redhat•com,
echaudro@redhat•com, lorenzo.bianconi@redhat•com,
toshiaki.makita1@gmail•com, andrii@kernel•org
Subject: Re: [PATCH v5 bpf-next 2/3] veth: rework veth_xdp_rcv_skb in order to accept non-linear skb
Date: Fri, 11 Mar 2022 15:59:25 +0100 [thread overview]
Message-ID: <87y21gwn5e.fsf@toke.dk> (raw)
In-Reply-To: <8d228b106bc1903571afd1d77e797bffe9a5ea7c.1646989407.git.lorenzo@kernel.org>
Lorenzo Bianconi <lorenzo@kernel•org> writes:
> Introduce veth_convert_skb_to_xdp_buff routine in order to
> convert a non-linear skb into a xdp buffer. If the received skb
> is cloned or shared, veth_convert_skb_to_xdp_buff will copy it
> in a new skb composed by order-0 pages for the linear and the
> fragmented area. Moreover veth_convert_skb_to_xdp_buff guarantees
> we have enough headroom for xdp.
> This is a preliminary patch to allow attaching xdp programs with frags
> support on veth devices.
>
> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel•org>
Acked-by: Toke Høiland-Jørgensen <toke@redhat•com>
next prev parent reply other threads:[~2022-03-11 14:59 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-11 9:14 [PATCH v5 bpf-next 0/3] introduce xdp frags support to veth driver Lorenzo Bianconi
2022-03-11 9:14 ` [PATCH v5 bpf-next 1/3] net: veth: account total xdp_frame len running ndo_xdp_xmit Lorenzo Bianconi
2022-03-16 3:22 ` John Fastabend
2022-03-11 9:14 ` [PATCH v5 bpf-next 2/3] veth: rework veth_xdp_rcv_skb in order to accept non-linear skb Lorenzo Bianconi
2022-03-11 14:59 ` Toke Høiland-Jørgensen [this message]
2022-03-16 3:49 ` John Fastabend
2022-03-11 9:14 ` [PATCH v5 bpf-next 3/3] veth: allow jumbo frames in xdp mode Lorenzo Bianconi
2022-03-11 14:59 ` Toke Høiland-Jørgensen
2022-03-16 3:50 ` John Fastabend
2022-03-17 19:40 ` [PATCH v5 bpf-next 0/3] introduce xdp frags support to veth driver patchwork-bot+netdevbpf
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