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From: Alexei Starovoitov <alexei.starovoitov@gmail.com>
To: "Toke Høiland-Jørgensen" <toke@redhat.com>
Cc: John Fastabend <john.fastabend@gmail.com>,
	Andrii Nakryiko <andrii.nakryiko@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>,
	Lorenz Bauer <lmb@cloudflare.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: Wed, 25 Mar 2020 10:56:54 -0700	[thread overview]
Message-ID: <20200325175654.i4cyhtauyogvzvgf@ast-mbp> (raw)
In-Reply-To: <87zhc4pw08.fsf@toke.dk>

On Wed, Mar 25, 2020 at 11:30:15AM +0100, Toke Høiland-Jørgensen wrote:
> 
> From a BPF application developer PoV I can totally understand the desire
> for unified APIs. But that unification can still be achieved at the
> libbpf level, while keeping network interface configuration done through
> netlink.

it cannot be done at libbpf level. The kernel is missing the ownership concept.
netlink vs other is irrelevant.

  reply	other threads:[~2020-03-25 17:57 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 [this message]
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
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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