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From: Andrii Nakryiko <andrii.nakryiko@gmail.com>
To: Ederson de Souza <ederson.desouza@intel.com>
Cc: xdp-hints@xdp-project.net, bpf <bpf@vger.kernel.org>,
	"Toke Høiland-Jørgensen" <toke@redhat.com>,
	"Magnus Karlsson" <magnus.karlsson@intel.com>
Subject: Re: [[RFC xdp-hints] 13/16] libbpf: Helpers to access XDP frame metadata
Date: Fri, 6 Aug 2021 15:59:08 -0700	[thread overview]
Message-ID: <CAEf4BzZ44wc-+r6o7vthddt5BoePdg0cQn83g8qkyPMAca4vvA@mail.gmail.com> (raw)
In-Reply-To: <20210803010331.39453-14-ederson.desouza@intel.com>

On Mon, Aug 2, 2021 at 6:04 PM Ederson de Souza
<ederson.desouza@intel.com> wrote:
>
> Two new pairs of helpers: `xsk_umem__adjust_prod_data` and
> `xsk_umem__adjust_prod_data_meta` for data that is being produced by the
> application - such as data that will be sent; and
> `xsk_umem__adjust_cons_data` and `xsk_umem__adjust_cons_data_meta`,
> for data being consumed - such as data obtained from the completion
> queue.
>
> Those function should usually be used on data obtained via
> `xsk_umem__get_data`. Didn't change this function to avoid API breaks.
>
> Signed-off-by: Ederson de Souza <ederson.desouza@intel.com>
> ---

AF_XDP parts of libbpf are being moved into libxdp ([0]). We shouldn't
keep adding new APIs if we are actively working on deprecating and
removing existing functionality already. CC'ing Toke and Magnus for
the state of libxsk to libxdp migration.

  [0] https://github.com/xdp-project/xdp-tools/tree/master/lib/libxdp#using-af_xdp-sockets


>  tools/lib/bpf/libbpf.map |  4 ++++
>  tools/lib/bpf/xsk.c      | 26 ++++++++++++++++++++++++++
>  tools/lib/bpf/xsk.h      |  7 +++++++
>  3 files changed, 37 insertions(+)
>

[...]

  reply	other threads:[~2021-08-06 22:59 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-03  1:03 [[RFC xdp-hints] 00/16] XDP hints and AF_XDP support Ederson de Souza
2021-08-03  1:03 ` [[RFC xdp-hints] 01/16] bpf: add btf register/unregister API Ederson de Souza
2021-08-03  1:03 ` [[RFC xdp-hints] 02/16] net/core: XDP metadata BTF netlink API Ederson de Souza
2021-08-03  1:03 ` [[RFC xdp-hints] 03/16] tools/bpf: Query XDP metadata BTF ID Ederson de Souza
2021-08-03  1:03 ` [[RFC xdp-hints] 04/16] tools/bpf: Add xdp set command for md btf Ederson de Souza
2021-08-03  1:03 ` [[RFC xdp-hints] 05/16] igc: Fix race condition in PTP Tx code Ederson de Souza
2021-08-03  1:03 ` [[RFC xdp-hints] 06/16] igc: Retrieve the TX timestamp directly (instead of in a interrupt) Ederson de Souza
2021-08-03  1:03 ` [[RFC xdp-hints] 07/16] igc: Add support for multiple in-flight TX timestamps Ederson de Souza
2021-08-03  1:03 ` [[RFC xdp-hints] 08/16] igc: Use irq safe locks for timestamping Ederson de Souza
2021-08-03  1:03 ` [[RFC xdp-hints] 09/16] net/xdp: Support for generic XDP hints Ederson de Souza
2021-08-03  1:03 ` [[RFC xdp-hints] 10/16] igc: XDP packet RX timestamp Ederson de Souza
2021-08-03  1:03 ` [[RFC xdp-hints] 11/16] igc: XDP packet TX timestamp Ederson de Souza
2021-08-03  1:03 ` [[RFC xdp-hints] 12/16] ethtool,igc: Add "xdp_headroom" driver info Ederson de Souza
2021-08-03  1:03 ` [[RFC xdp-hints] 13/16] libbpf: Helpers to access XDP frame metadata Ederson de Souza
2021-08-06 22:59   ` Andrii Nakryiko [this message]
2021-08-19 11:47     ` Toke Høiland-Jørgensen
2021-08-03  1:03 ` [[RFC xdp-hints] 14/16] libbpf: Helpers to access XDP hints based on BTF definitions Ederson de Souza
2021-08-03  1:03 ` [[RFC xdp-hints] 15/16] samples/bpf: XDP hints AF_XDP example Ederson de Souza
2021-08-03  1:03 ` [[RFC xdp-hints] 16/16] samples/bpf: Show XDP hints usage Ederson de Souza
2021-08-06 23:14   ` Andrii Nakryiko
2021-08-03  9:12 ` [[RFC xdp-hints] 00/16] XDP hints and AF_XDP support Alexander Lobakin
2021-08-03 15:23   ` John Fastabend
2021-08-04 15:15     ` Alexander Lobakin
2021-08-04 23:45       ` John Fastabend
2021-08-13 22:04         ` Desouza, Ederson

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