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From: Lorenz Bauer <lmb@cloudflare.com>
To: Martin KaFai Lau <kafai@fb.com>
Cc: bpf <bpf@vger.kernel.org>, Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Kernel Team <kernel-team@fb.com>,
	Networking <netdev@vger.kernel.org>
Subject: Re: [PATCH v3 bpf-next 04/11] bpf: Change bpf_sk_storage_*() to accept ARG_PTR_TO_BTF_ID_SOCK_COMMON
Date: Tue, 22 Sep 2020 10:17:20 +0100	[thread overview]
Message-ID: <CACAyw98FbjdmaVQJcuVPSmb40fLG_QnrkMJ2pUaJPdSSTwLp5g@mail.gmail.com> (raw)
In-Reply-To: <20200922070434.1919082-1-kafai@fb.com>

On Tue, 22 Sep 2020 at 08:04, Martin KaFai Lau <kafai@fb.com> wrote:
>
> This patch changes the bpf_sk_storage_*() to take
> ARG_PTR_TO_BTF_ID_SOCK_COMMON such that they will work with the pointer
> returned by the bpf_skc_to_*() helpers also.
>
> A micro benchmark has been done on a "cgroup_skb/egress" bpf program
> which does a bpf_sk_storage_get().  It was driven by netperf doing
> a 4096 connected UDP_STREAM test with 64bytes packet.
> The stats from "kernel.bpf_stats_enabled" shows no meaningful difference.
>
> The sk_storage_get_btf_proto, sk_storage_delete_btf_proto,
> btf_sk_storage_get_proto, and btf_sk_storage_delete_proto are
> no longer needed, so they are removed.
>
> Signed-off-by: Martin KaFai Lau <kafai@fb.com>

I like that we can get rid of the init code.

Acked-by: Lorenz Bauer <lmb@cloudflare.com>

--
Lorenz Bauer  |  Systems Engineer
6th Floor, County Hall/The Riverside Building, SE1 7PB, UK

www.cloudflare.com

  reply	other threads:[~2020-09-22  9:17 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-22  7:04 [PATCH v3 bpf-next 00/11] bpf: Enable bpf_skc_to_* sock casting helper to networking prog type Martin KaFai Lau
2020-09-22  7:04 ` [PATCH v3 bpf-next 01/11] bpf: Move the PTR_TO_BTF_ID check to check_reg_type() Martin KaFai Lau
2020-09-22  9:56   ` Lorenz Bauer
2020-09-22 18:38     ` Martin KaFai Lau
2020-09-23  9:47       ` Lorenz Bauer
2020-09-23  4:45     ` Martin KaFai Lau
2020-09-22  7:04 ` [PATCH v3 bpf-next 02/11] bpf: Enable bpf_skc_to_* sock casting helper to networking prog type Martin KaFai Lau
2020-09-22  9:46   ` Lorenz Bauer
2020-09-22 18:26     ` Martin KaFai Lau
2020-09-23  9:27       ` Lorenz Bauer
2020-09-23 17:05         ` Martin KaFai Lau
2020-09-24  8:38           ` Lorenz Bauer
2020-09-25  1:22             ` Martin KaFai Lau
2020-09-22  7:04 ` [PATCH v3 bpf-next 03/11] bpf: Change bpf_sk_release and bpf_sk_*cgroup_id to accept ARG_PTR_TO_BTF_ID_SOCK_COMMON Martin KaFai Lau
2020-09-22  7:04 ` [PATCH v3 bpf-next 04/11] bpf: Change bpf_sk_storage_*() " Martin KaFai Lau
2020-09-22  9:17   ` Lorenz Bauer [this message]
2020-09-22  7:04 ` [PATCH v3 bpf-next 05/11] bpf: Change bpf_tcp_*_syncookie " Martin KaFai Lau
2020-09-22  9:18   ` Lorenz Bauer
2020-09-22  7:04 ` [PATCH v3 bpf-next 06/11] bpf: Change bpf_sk_assign " Martin KaFai Lau
2020-09-22  9:21   ` Lorenz Bauer
2020-09-22  7:04 ` [PATCH v3 bpf-next 07/11] bpf: selftest: Add ref_tracking verifier test for bpf_skc casting Martin KaFai Lau
2020-09-22  7:04 ` [PATCH v3 bpf-next 08/11] bpf: selftest: Move sock_fields test into test_progs Martin KaFai Lau
2020-09-23 21:22   ` Andrii Nakryiko
2020-09-22  7:05 ` [PATCH v3 bpf-next 09/11] bpf: selftest: Adapt sock_fields test to use skel and global variables Martin KaFai Lau
2020-09-22  7:05 ` [PATCH v3 bpf-next 10/11] bpf: selftest: Use network_helpers in the sock_fields test Martin KaFai Lau
2020-09-22  7:05 ` [PATCH v3 bpf-next 11/11] bpf: selftest: Use bpf_skc_to_tcp_sock() " Martin KaFai Lau
2020-09-22 20:16   ` Alexei Starovoitov

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