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From: "Björn Töpel" <bjorn.topel@intel.com>
To: "Maciej Fijalkowski" <maciej.fijalkowski@intel.com>,
	"Toke Høiland-Jørgensen" <toke@redhat.com>
Cc: daniel@iogearbox.net, ast@kernel.org, bpf@vger.kernel.org,
	netdev@vger.kernel.org, andrii@kernel.org,
	magnus.karlsson@intel.com, ciara.loftus@intel.com
Subject: Re: [PATCH bpf-next 1/3] libbpf: xsk: use bpf_link
Date: Tue, 16 Feb 2021 10:15:53 +0100	[thread overview]
Message-ID: <33b54a25-a35a-6991-6831-f551670f5556@intel.com> (raw)
In-Reply-To: <20210216020128.GA9572@ranger.igk.intel.com>

On 2021-02-16 03:01, Maciej Fijalkowski wrote:
> On Mon, Feb 15, 2021 at 08:35:29PM +0100, Toke Høiland-Jørgensen wrote:
>> Björn Töpel <bjorn.topel@intel.com> writes:

[...]

>>>
>>> I'd say it's depending on the libbpf 1.0/libxdp merge timeframe. If
>>> we're months ahead, then I'd really like to see this in libbpf until the
>>> merge. However, I'll leave that for Magnus/you to decide!
> 
> WDYM by libbpf 1.0/libxdp merge? I glanced through thread and I saw that
> John was also not aware of that. Not sure where it was discussed?
>

Oh, right. Yeah, we've had some offlist discussions about moving the
AF_XDP functionality from libbpf to libxdp in the libbpf 1.0 timeframe.

> If you're saying 'merge', then is libxdp going to be a part of kernel or
> as an AF-XDP related guy I would be forced to include yet another
> repository in the BPF developer toolchain? :<
>

The AF_XDP functionality of libbpf will be part of libxdp, which is not
in the kernel tree. libxdp depend on libbpf, which includes the core BPF
functionality. For AF_XDP this is a good thing IMO. libxdp includes more
higher lever abstractions than libbpf, which is more aligned to AF_XDP.

Yes, that would mean that you would get another dependency for AF_XDP,
and one that is not in the kernel tree. For most *users* this is not a
problem, in fact it might be easier to consume and to contribute for
most users. We can't optimize just for the kernel hackers. ;-)


Björn

[...]

  reply	other threads:[~2021-02-16  9:17 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-15 15:46 [PATCH bpf-next 0/3] Introduce bpf_link in libbpf's xsk Maciej Fijalkowski
2021-02-15 15:46 ` [PATCH bpf-next 1/3] libbpf: xsk: use bpf_link Maciej Fijalkowski
2021-02-15 17:07   ` Toke Høiland-Jørgensen
2021-02-15 17:38     ` Björn Töpel
2021-02-15 19:35       ` Toke Høiland-Jørgensen
2021-02-16  2:01         ` Maciej Fijalkowski
2021-02-16  9:15           ` Björn Töpel [this message]
2021-02-16 10:27           ` Toke Høiland-Jørgensen
2021-02-16 20:15             ` Maciej Fijalkowski
2021-02-15 20:22       ` John Fastabend
2021-02-15 21:38         ` Toke Høiland-Jørgensen
2021-02-16  0:18           ` John Fastabend
2021-02-16  2:23             ` Maciej Fijalkowski
2021-02-16  9:23               ` Björn Töpel
2021-02-16 10:36             ` Toke Høiland-Jørgensen
2021-02-23  1:15               ` Andrii Nakryiko
2021-02-17  2:23           ` Dan Siemon
2021-02-17  7:16             ` Magnus Karlsson
2021-02-17  7:36               ` Magnus Karlsson
2021-02-16  2:10         ` Maciej Fijalkowski
2021-02-15 20:49   ` John Fastabend
2021-02-16  2:38     ` Maciej Fijalkowski
2021-02-16 18:19       ` John Fastabend
2021-02-16 20:10         ` Maciej Fijalkowski
2021-02-16  9:20     ` Björn Töpel
2021-02-16 10:39       ` Toke Høiland-Jørgensen
2021-02-16 19:15         ` John Fastabend
2021-02-16 20:50           ` Maciej Fijalkowski
2021-02-16 21:17             ` John Fastabend
2021-02-15 15:46 ` [PATCH bpf-next 2/3] libbpf: clear map_info before each bpf_obj_get_info_by_fd Maciej Fijalkowski
2021-02-15 20:33   ` John Fastabend
2021-02-16  2:42     ` Maciej Fijalkowski
2021-02-15 15:46 ` [PATCH bpf-next 3/3] samples: bpf: do not unload prog within xdpsock Maciej Fijalkowski
2021-02-15 20:24   ` John Fastabend
2021-02-16  9:22     ` Björn Töpel
2021-02-16 14:15       ` Maciej Fijalkowski
2021-02-15 16:07 ` [PATCH bpf-next 0/3] Introduce bpf_link in libbpf's xsk Björn Töpel

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