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From: "Toke Høiland-Jørgensen" <toke@redhat.com>
To: Alexei Starovoitov <alexei.starovoitov@gmail.com>,
	Lorenz Bauer <lmb@cloudflare.com>
Cc: Andrii Nakryiko <andrii.nakryiko@gmail.com>,
	John Fastabend <john.fastabend@gmail.com>,
	Jakub Kicinski <kuba@kernel.org>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
	Yonghong Song <yhs@fb.com>, Andrii Nakryiko <andriin@fb.com>,
	"David S. Miller" <davem@davemloft.net>,
	Jesper Dangaard Brouer <brouer@redhat.com>,
	Andrey Ignatov <rdna@fb.com>, Networking <netdev@vger.kernel.org>,
	bpf <bpf@vger.kernel.org>
Subject: Re: [PATCH bpf-next 1/4] xdp: Support specifying expected existing program when attaching XDP
Date: Fri, 27 Mar 2020 12:11:15 +0100	[thread overview]
Message-ID: <87o8sim4rw.fsf@toke.dk> (raw)
In-Reply-To: <20200326195340.dznktutm6yq763af@ast-mbp>

Alexei Starovoitov <alexei.starovoitov@gmail.com> writes:

> libxdp (and now renamed to libdispatcher, right Toke?)

Not yet :)

I want to get it to initial feature completeness for XDP first, then
think about generalising the dispatcher bits (which has additional
issues, such as figuring out how to manage the dispatcher programs for
different program types).

Current code is in [0], for those following along. There are two bits of
kernel support missing before I can get it to where I want it for an
initial "release": Atomic replace of the dispatcher (this series), and
the ability to attach an freplace program to more than one "parent".
I'll try to get an RFC out for the latter during the merge window, but
I'll probably need some help in figuring out how to make it safe from
the verifier PoV.

-Toke


[0] https://github.com/xdp-project/xdp-tools/tree/xdp-multi-prog


  reply	other threads:[~2020-03-27 11:11 UTC|newest]

Thread overview: 120+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-19 13:13 [PATCH bpf-next 0/4] XDP: Support atomic replacement of XDP interface attachments Toke Høiland-Jørgensen
2020-03-19 13:13 ` [PATCH bpf-next 1/4] xdp: Support specifying expected existing program when attaching XDP Toke Høiland-Jørgensen
2020-03-19 22:52   ` Jakub Kicinski
2020-03-20  8:48     ` Toke Høiland-Jørgensen
2020-03-20 17:35       ` Jakub Kicinski
2020-03-20 18:17         ` Toke Høiland-Jørgensen
2020-03-20 18:35           ` Jakub Kicinski
2020-03-20 18:30         ` John Fastabend
2020-03-20 20:24           ` Andrii Nakryiko
2020-03-23 11:24             ` Toke Høiland-Jørgensen
2020-03-23 16:54               ` Jakub Kicinski
2020-03-23 18:14               ` Andrii Nakryiko
2020-03-23 19:23                 ` Toke Høiland-Jørgensen
2020-03-24  1:01                   ` David Ahern
2020-03-24  4:53                     ` Andrii Nakryiko
2020-03-24 20:55                       ` David Ahern
2020-03-24 22:56                         ` Andrii Nakryiko
2020-03-24  5:00                   ` Andrii Nakryiko
2020-03-24 10:57                     ` Toke Høiland-Jørgensen
2020-03-24 18:53                       ` Jakub Kicinski
2020-03-24 22:30                         ` Andrii Nakryiko
2020-03-25  1:25                           ` Jakub Kicinski
2020-03-24 19:22                       ` John Fastabend
2020-03-25  1:36                         ` Alexei Starovoitov
2020-03-25  2:15                           ` Jakub Kicinski
2020-03-25 18:06                             ` Alexei Starovoitov
2020-03-25 18:20                               ` Jakub Kicinski
2020-03-25 19:14                                 ` Alexei Starovoitov
2020-03-25 10:42                           ` Toke Høiland-Jørgensen
2020-03-25 18:11                             ` Alexei Starovoitov
2020-03-25 10:30                         ` Toke Høiland-Jørgensen
2020-03-25 17:56                           ` Alexei Starovoitov
2020-03-24 22:25                       ` Andrii Nakryiko
2020-03-25  9:38                         ` Toke Høiland-Jørgensen
2020-03-25 17:55                           ` Alexei Starovoitov
2020-03-26  0:16                           ` Andrii Nakryiko
2020-03-26  5:13                             ` Jakub Kicinski
2020-03-26 18:09                               ` Andrii Nakryiko
2020-03-26 19:40                               ` Alexei Starovoitov
2020-03-26 20:05                                 ` Edward Cree
2020-03-27 11:09                                   ` Lorenz Bauer
2020-03-27 23:11                                   ` Alexei Starovoitov
2020-03-26 10:04                             ` Lorenz Bauer
2020-03-26 17:47                               ` Jakub Kicinski
2020-03-26 19:45                                 ` Alexei Starovoitov
2020-03-26 18:18                               ` Andrii Nakryiko
2020-03-26 19:53                               ` Alexei Starovoitov
2020-03-27 11:11                                 ` Toke Høiland-Jørgensen [this message]
2020-04-02 20:21                                   ` bpf: ability to attach freplace to multiple parents Alexei Starovoitov
2020-04-02 21:23                                     ` Toke Høiland-Jørgensen
2020-04-02 21:54                                       ` Alexei Starovoitov
2020-04-03  8:38                                         ` Toke Høiland-Jørgensen
2020-04-07  1:44                                           ` Alexei Starovoitov
2020-04-07  9:20                                             ` Toke Høiland-Jørgensen
2020-05-12  8:34                                         ` Toke Høiland-Jørgensen
2020-05-12  9:53                                           ` Alan Maguire
2020-05-12 13:02                                             ` Toke Høiland-Jørgensen
2020-05-12 23:18                                             ` Alexei Starovoitov
2020-05-12 23:06                                           ` Alexei Starovoitov
2020-05-13 10:25                                             ` Toke Høiland-Jørgensen
2020-04-02 21:24                                     ` Andrey Ignatov
2020-04-02 22:01                                       ` Alexei Starovoitov
2020-03-26 12:35                             ` [PATCH bpf-next 1/4] xdp: Support specifying expected existing program when attaching XDP Toke Høiland-Jørgensen
2020-03-26 19:06                               ` Andrii Nakryiko
2020-03-27 11:06                                 ` Lorenz Bauer
2020-03-27 16:12                                   ` David Ahern
2020-03-27 20:10                                     ` Andrii Nakryiko
2020-03-27 23:02                                     ` Alexei Starovoitov
2020-03-30 15:25                                       ` Edward Cree
2020-03-31  3:43                                         ` Alexei Starovoitov
2020-03-31 22:05                                           ` Edward Cree
2020-03-31 22:16                                             ` Alexei Starovoitov
2020-03-27 19:42                                   ` Andrii Nakryiko
2020-03-27 19:45                                   ` Andrii Nakryiko
2020-03-27 23:09                                   ` Alexei Starovoitov
2020-03-27 11:46                                 ` Toke Høiland-Jørgensen
2020-03-27 20:07                                   ` Andrii Nakryiko
2020-03-27 22:16                                     ` Toke Høiland-Jørgensen
2020-03-27 22:54                                       ` Andrii Nakryiko
2020-03-28  1:09                                         ` Toke Høiland-Jørgensen
2020-03-28  1:44                                           ` Andrii Nakryiko
2020-03-28 19:43                                             ` Toke Høiland-Jørgensen
2020-03-26 19:58                               ` Alexei Starovoitov
2020-03-27 12:06                                 ` Toke Høiland-Jørgensen
2020-03-27 23:00                                   ` Alexei Starovoitov
2020-03-28  1:43                                     ` Toke Høiland-Jørgensen
2020-03-28  2:26                                       ` Alexei Starovoitov
2020-03-28 19:34                                         ` Toke Høiland-Jørgensen
2020-03-28 23:35                                           ` Alexei Starovoitov
2020-03-29 10:39                                             ` Toke Høiland-Jørgensen
2020-03-29 19:26                                               ` Alexei Starovoitov
2020-03-30 10:19                                                 ` Toke Høiland-Jørgensen
2020-03-29 20:23                                           ` Andrii Nakryiko
2020-03-30 13:53                                             ` Toke Høiland-Jørgensen
2020-03-30 20:17                                               ` Andrii Nakryiko
2020-03-31 10:13                                                 ` Toke Høiland-Jørgensen
2020-03-31 13:48                                                   ` Daniel Borkmann
2020-03-31 15:00                                                     ` Toke Høiland-Jørgensen
2020-03-31 20:19                                                       ` Andrii Nakryiko
2020-03-31 20:15                                                     ` Andrii Nakryiko
2020-03-30 15:41                                             ` Edward Cree
2020-03-30 19:13                                               ` Jakub Kicinski
2020-03-31  4:01                                               ` Alexei Starovoitov
2020-03-31 11:34                                                 ` Toke Høiland-Jørgensen
2020-03-31 18:52                                                   ` Alexei Starovoitov
2020-03-20 20:30       ` Daniel Borkmann
2020-03-20 20:40         ` Daniel Borkmann
2020-03-20 21:30           ` Jakub Kicinski
2020-03-20 21:55             ` Daniel Borkmann
2020-03-20 23:35               ` Jakub Kicinski
2020-03-20 20:39       ` Andrii Nakryiko
2020-03-23 11:25         ` Toke Høiland-Jørgensen
2020-03-23 18:07           ` Andrii Nakryiko
2020-03-23 23:54           ` Andrey Ignatov
2020-03-24 10:16             ` Toke Høiland-Jørgensen
2020-03-20  2:13   ` Yonghong Song
2020-03-20  8:48     ` Toke Høiland-Jørgensen
2020-03-19 13:13 ` [PATCH bpf-next 2/4] tools: Add EXPECTED_FD-related definitions in if_link.h Toke Høiland-Jørgensen
2020-03-19 13:13 ` [PATCH bpf-next 3/4] libbpf: Add function to set link XDP fd while specifying old fd Toke Høiland-Jørgensen
2020-03-19 13:13 ` [PATCH bpf-next 4/4] selftests/bpf: Add tests for attaching XDP programs Toke Høiland-Jørgensen

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