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From: Tariq Toukan <ttoukan.linux@gmail.com>
To: Martin KaFai Lau <martin.lau@linux.dev>,
	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>,
	Tariq Toukan <tariqt@nvidia.com>,
	Saeed Mahameed <saeedm@nvidia.com>,
	bpf@vger.kernel.org, xdp-hints@xdp-project.net,
	netdev@vger.kernel.org
Subject: Re: [PATCH bpf-next v7 00/17] xdp: hints via kfuncs
Date: Thu, 12 Jan 2023 10:19:02 +0200	[thread overview]
Message-ID: <2f76e7d6-1771-a8f5-4bd1-6f7cd0b59173@gmail.com> (raw)
In-Reply-To: <f074b33d-c27a-822d-7bf6-16a5c8d9524d@linux.dev>



On 12/01/2023 9:29, Martin KaFai Lau wrote:
> On 1/11/23 4:32 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:
>>
>> - Bring back parts that were removed during patch reshuffling from "bpf:
>>    Introduce device-bound XDP programs" patch (Martin)
>>
>> - Remove netdev NULL check from __bpf_prog_dev_bound_init (Martin)
>>
>> - Remove netdev NULL check from bpf_dev_bound_resolve_kfunc (Martin)
>>
>> - Move target bound device verification from bpf_tracing_prog_attach into
>>    bpf_check_attach_target (Martin)
>>
>> - Move mlx5e_free_rx_in_progress_descs into txrx.h (Tariq)
>>
>> - mlx5e_fill_xdp_buff -> mlx5e_fill_mxbuf (Tariq)
> 
> Thanks for the patches. The set lgtm.
> 
> The selftest patch 11 and 17 have conflicts with the recent changes in 
> selftests/bpf/xsk.{h,c} and selftests/bpf/Makefile. eg. it no longer 
> needs XSK_LIBBPF_FLAGS__INHIBIT_PROG_LOAD, so please respin. From a 
> quick look, it should be some minor changes.
> 
> Not sure if Tariq has a chance to look at the mlx5 changes shortly. The 
> set is getting pretty long and the core part is ready with veth and mlx4 
> support. I think it is better to get the ready parts landed first such 
> that other drivers can also start adding support for it. One option is 
> to post the two mlx5 patches as another patchset and they can be 
> reviewed separately.
> 

Hi,
I posted new comments.
I think they can be handled quickly, and still be part of the next respin.

I'm fine with both options though. You can keep the mlx5e patches or 
defer them to a followup series. Whatever works best for you.

Tariq

  reply	other threads:[~2023-01-12  8:20 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-12  0:32 [PATCH bpf-next v7 00/17] xdp: hints via kfuncs Stanislav Fomichev
2023-01-12  0:32 ` [PATCH bpf-next v7 01/17] bpf: Document XDP RX metadata Stanislav Fomichev
2023-01-16 13:09   ` Jesper Dangaard Brouer
2023-01-17 20:33     ` Stanislav Fomichev
2023-01-18 14:28       ` Jesper Dangaard Brouer
2023-01-18 17:55         ` Stanislav Fomichev
2023-01-12  0:32 ` [PATCH bpf-next v7 02/17] bpf: Rename bpf_{prog,map}_is_dev_bound to is_offloaded Stanislav Fomichev
2023-01-12  0:32 ` [PATCH bpf-next v7 03/17] bpf: Move offload initialization into late_initcall Stanislav Fomichev
2023-01-12  0:32 ` [PATCH bpf-next v7 04/17] bpf: Reshuffle some parts of bpf/offload.c Stanislav Fomichev
2023-01-12  0:32 ` [PATCH bpf-next v7 05/17] bpf: Introduce device-bound XDP programs Stanislav Fomichev
2023-01-12  0:32 ` [PATCH bpf-next v7 06/17] selftests/bpf: Update expected test_offload.py messages Stanislav Fomichev
2023-01-12  0:32 ` [PATCH bpf-next v7 07/17] bpf: XDP metadata RX kfuncs Stanislav Fomichev
2023-01-12  0:32 ` [PATCH bpf-next v7 09/17] veth: Introduce veth_xdp_buff wrapper for xdp_buff Stanislav Fomichev
2023-01-12  0:32 ` [PATCH bpf-next v7 10/17] veth: Support RX XDP metadata Stanislav Fomichev
2023-01-16 16:21   ` Jesper Dangaard Brouer
2023-01-17 20:33     ` Stanislav Fomichev
2023-01-18 15:57       ` Jesper Dangaard Brouer
2023-01-12  0:32 ` [PATCH bpf-next v7 11/17] selftests/bpf: Verify xdp_metadata xdp->af_xdp path Stanislav Fomichev
2023-01-12  0:32 ` [PATCH bpf-next v7 12/17] net/mlx4_en: Introduce wrapper for xdp_buff Stanislav Fomichev
2023-01-12  0:32 ` [PATCH bpf-next v7 13/17] net/mlx4_en: Support RX XDP metadata Stanislav Fomichev
2023-01-12  0:32 ` [PATCH bpf-next v7 14/17] xsk: Add cb area to struct xdp_buff_xsk Stanislav Fomichev
2023-01-12  0:32 ` [PATCH bpf-next v7 15/17] net/mlx5e: Introduce wrapper for xdp_buff Stanislav Fomichev
2023-01-12  8:07   ` Tariq Toukan
2023-01-12 19:10     ` Stanislav Fomichev
2023-01-12 21:09       ` [xdp-hints] " Toke Høiland-Jørgensen
2023-01-12 21:55         ` Toke Høiland-Jørgensen
2023-01-12 22:18           ` Stanislav Fomichev
2023-01-12 22:29             ` Toke Høiland-Jørgensen
2023-01-13 20:55               ` Tariq Toukan
2023-01-13 20:53           ` Tariq Toukan
2023-01-13 21:31             ` Toke Høiland-Jørgensen
2023-01-15  6:59               ` Tariq Toukan
2023-01-15 11:13                 ` Toke Høiland-Jørgensen
2023-01-12  0:32 ` [PATCH bpf-next v7 16/17] net/mlx5e: Support RX XDP metadata Stanislav Fomichev
2023-01-12  8:13   ` Tariq Toukan
2023-01-12 19:09     ` Stanislav Fomichev
2023-01-13 20:25       ` Tariq Toukan
2023-01-12  0:32 ` [PATCH bpf-next v7 17/17] selftests/bpf: Simple program to dump XDP RX metadata Stanislav Fomichev
2023-01-12  7:29 ` [PATCH bpf-next v7 00/17] xdp: hints via kfuncs Martin KaFai Lau
2023-01-12  8:19   ` Tariq Toukan [this message]
2023-01-12 18:09     ` Stanislav Fomichev
2023-01-12 18:20       ` Martin KaFai Lau

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