From: Andrew Lunn <andrew@lunn.ch>
To: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: "Alexei Starovoitov" <alexei.starovoitov@gmail.com>,
"Björn Töpel" <bjorn.topel@gmail.com>,
magnus.karlsson@intel.com, magnus.karlsson@gmail.com,
ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org,
"Björn Töpel" <bjorn.topel@intel.com>,
u9012063@gmail.com, qi.z.zhang@intel.com
Subject: Re: [PATCH bpf-next 0/7] Add XDP_ATTACH bind() flag to AF_XDP sockets
Date: Sat, 8 Dec 2018 21:48:19 +0100 [thread overview]
Message-ID: <20181208204819.GH25144@lunn.ch> (raw)
In-Reply-To: <20181208213726.4b33f7f7@redhat.com>
> That is not how XDP works. XDP must run on the "master" physical driver
> interface, as the "slave" interface is a virtual DSA interface. I did
> mention DSA because I'm handling that on the EspressoBin implementation.
Hi Jesper
It is going to be interesting to see how you do that.
As a user, i want to attach the XDP program to a slave interface. So i
assume you somehow redirect that to the master, with some extra meta
data to allow XDP on the master to detect packets for a specific
slave?
Andrew
next prev parent reply other threads:[~2018-12-08 20:48 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-07 11:44 [PATCH bpf-next 0/7] Add XDP_ATTACH bind() flag to AF_XDP sockets Björn Töpel
2018-12-07 11:44 ` [PATCH bpf-next 1/7] xsk: simplify AF_XDP socket teardown Björn Töpel
2018-12-07 11:44 ` [PATCH bpf-next 2/7] xsk: add XDP_ATTACH bind() flag Björn Töpel
2018-12-07 11:44 ` [PATCH bpf-next 3/7] bpf: add bpf_xsk_redirect function Björn Töpel
2018-12-07 11:44 ` [PATCH bpf-next 4/7] bpf: prepare for builtin bpf program Björn Töpel
2018-12-07 11:44 ` [PATCH bpf-next 5/7] bpf: add function to load builtin BPF program Björn Töpel
2018-12-07 11:44 ` [PATCH bpf-next 6/7] xsk: load a builtin XDP program on XDP_ATTACH Björn Töpel
2018-12-10 2:17 ` Jakub Kicinski
2018-12-10 7:29 ` Björn Töpel
2018-12-07 13:42 ` [PATCH bpf-next 0/7] Add XDP_ATTACH bind() flag to AF_XDP sockets Jesper Dangaard Brouer
2018-12-07 14:01 ` Björn Töpel
2018-12-08 14:52 ` Jesper Dangaard Brouer
2018-12-08 18:43 ` Björn Töpel
2018-12-08 20:42 ` Jesper Dangaard Brouer
2018-12-07 15:27 ` Björn Töpel
2018-12-07 21:21 ` Alexei Starovoitov
2018-12-08 9:31 ` Björn Töpel
2018-12-08 15:12 ` Jesper Dangaard Brouer
2018-12-08 16:55 ` Andrew Lunn
2018-12-08 20:37 ` Jesper Dangaard Brouer
2018-12-08 20:48 ` Andrew Lunn [this message]
2018-12-08 18:50 ` Björn Töpel
[not found] ` <20181207114431.18038-8-bjorn.topel@gmail.com>
2018-12-08 10:08 ` [PATCH bpf-next 7/7] samples: bpf: add support for XDP_ATTACH to xdpsock Zhang, Qi Z
2018-12-10 14:01 ` [PATCH bpf-next 0/7] Add XDP_ATTACH bind() flag to AF_XDP sockets Björn Töpel
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