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(+) > [...]
next prev parent 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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