From: Martin KaFai Lau <martin.lau@linux.dev>
To: Stanislav Fomichev <sdf@google.com>
Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
song@kernel.org, yhs@fb.com, john.fastabend@gmail.com,
kpsingh@kernel.org, haoluo@google.com, jolsa@kernel.org,
David Ahern <dsahern@gmail.com>, Jakub Kicinski <kuba@kernel.org>,
Willem de Bruijn <willemb@google.com>,
Jesper Dangaard Brouer <brouer@redhat.com>,
Anatoly Burakov <anatoly.burakov@intel.com>,
Alexander Lobakin <alexandr.lobakin@intel.com>,
Magnus Karlsson <magnus.karlsson@gmail.com>,
Maryam Tahhan <mtahhan@redhat.com>,
xdp-hints@xdp-project.net, netdev@vger.kernel.org,
bpf@vger.kernel.org
Subject: [xdp-hints] Re: [PATCH bpf-next v8 00/17] xdp: hints via kfuncs
Date: Mon, 23 Jan 2023 10:53:06 -0800 [thread overview]
Message-ID: <901e1a7a-bb86-8d62-4bd7-512a1257d3b0@linux.dev> (raw)
In-Reply-To: <20230119221536.3349901-1-sdf@google.com>
On 1/19/23 2:15 PM, Stanislav Fomichev wrote:
> Please see the first patch in the series for the overall
> design and use-cases.
>
> See the following email from Toke for the per-packet metadata overhead:
> https://lore.kernel.org/bpf/20221206024554.3826186-1-sdf@google.com/T/#m49d48ea08d525ec88360c7d14c4d34fb0e45e798
>
> Recent changes:
> - Keep new functions in en/xdp.c, do 'extern mlx5_xdp_metadata_ops' (Tariq)
>
> - Remove mxbuf pointer and use xsk_buff_to_mxbuf (Tariq)
>
> - Clarify xdp_buff vs 'XDP frame' (Jesper)
>
> - Explicitly mention that AF_XDP RX descriptor lacks metadata size (Jesper)
>
> - Drop libbpf_flags/xdp_flags from selftests and use ifindex instead
> of ifname (due to recent xsk.h refactoring)
Applied with the minor changes in the selftests discussed in patch 11 and 17.
Thanks!
next prev parent reply other threads:[~2023-01-23 18:53 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-19 22:15 [xdp-hints] " Stanislav Fomichev
2023-01-19 22:15 ` [xdp-hints] [PATCH bpf-next v8 01/17] bpf: Document XDP RX metadata Stanislav Fomichev
2023-01-19 22:15 ` [xdp-hints] [PATCH bpf-next v8 02/17] bpf: Rename bpf_{prog,map}_is_dev_bound to is_offloaded Stanislav Fomichev
2023-01-19 22:15 ` [xdp-hints] [PATCH bpf-next v8 03/17] bpf: Move offload initialization into late_initcall Stanislav Fomichev
2023-01-19 22:15 ` [xdp-hints] [PATCH bpf-next v8 04/17] bpf: Reshuffle some parts of bpf/offload.c Stanislav Fomichev
2023-01-19 22:15 ` [xdp-hints] [PATCH bpf-next v8 05/17] bpf: Introduce device-bound XDP programs Stanislav Fomichev
2023-01-19 22:15 ` [xdp-hints] [PATCH bpf-next v8 06/17] selftests/bpf: Update expected test_offload.py messages Stanislav Fomichev
2023-01-19 22:15 ` [xdp-hints] [PATCH bpf-next v8 07/17] bpf: XDP metadata RX kfuncs Stanislav Fomichev
2023-01-19 22:15 ` [xdp-hints] [PATCH bpf-next v8 09/17] veth: Introduce veth_xdp_buff wrapper for xdp_buff Stanislav Fomichev
2023-01-19 22:15 ` [xdp-hints] [PATCH bpf-next v8 10/17] veth: Support RX XDP metadata Stanislav Fomichev
2023-01-19 22:15 ` [xdp-hints] [PATCH bpf-next v8 11/17] selftests/bpf: Verify xdp_metadata xdp->af_xdp path Stanislav Fomichev
2023-01-20 22:18 ` [xdp-hints] " Martin KaFai Lau
2023-01-20 22:48 ` Stanislav Fomichev
2023-01-19 22:15 ` [xdp-hints] [PATCH bpf-next v8 12/17] net/mlx4_en: Introduce wrapper for xdp_buff Stanislav Fomichev
2023-01-19 22:15 ` [xdp-hints] [PATCH bpf-next v8 13/17] net/mlx4_en: Support RX XDP metadata Stanislav Fomichev
2023-01-19 22:15 ` [xdp-hints] [PATCH bpf-next v8 14/17] xsk: Add cb area to struct xdp_buff_xsk Stanislav Fomichev
2023-01-19 22:15 ` [xdp-hints] [PATCH bpf-next v8 15/17] net/mlx5e: Introduce wrapper for xdp_buff Stanislav Fomichev
2023-01-22 7:01 ` [xdp-hints] " Tariq Toukan
2023-01-19 22:15 ` [xdp-hints] [PATCH bpf-next v8 16/17] net/mlx5e: Support RX XDP metadata Stanislav Fomichev
2023-01-20 22:37 ` [xdp-hints] " Martin KaFai Lau
2023-01-22 7:58 ` Tariq Toukan
2023-01-19 22:15 ` [xdp-hints] [PATCH bpf-next v8 17/17] selftests/bpf: Simple program to dump XDP RX metadata Stanislav Fomichev
2023-01-20 22:30 ` [xdp-hints] " Martin KaFai Lau
2023-01-20 22:48 ` Stanislav Fomichev
2023-01-24 15:25 ` Jesper Dangaard Brouer
2023-01-24 17:42 ` Stanislav Fomichev
2023-01-24 18:48 ` sdf
2023-01-25 15:10 ` Jesper Dangaard Brouer
2023-01-25 17:16 ` Stanislav Fomichev
2023-01-23 18:50 ` [xdp-hints] Re: [PATCH bpf-next v8 00/17] xdp: hints via kfuncs patchwork-bot+netdevbpf
2023-01-23 18:53 ` Martin KaFai Lau [this message]
2023-01-23 18:55 ` Stanislav Fomichev
2023-01-24 11:17 ` Alexander Lobakin
2023-01-24 11:49 ` Toke Høiland-Jørgensen
2023-01-24 12:23 ` Jesper Dangaard Brouer
2023-01-24 17:35 ` Stanislav Fomichev
2023-02-02 15:08 ` Alexander Lobakin
2023-02-02 15:52 ` Song, Yoong Siang
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