From: Eric Dumazet <eric.dumazet@gmail.com>
To: Jiang Yu <jyu.jiang@vivo.com>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
Yonghong Song <yhs@fb.com>, Andrii Nakryiko <andriin@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@chromium.org>,
Eric Dumazet <edumazet@google.com>,
Jakub Sitnicki <jakub@cloudflare.com>,
zhanglin <zhang.lin16@zte.com.cn>,
Kees Cook <keescook@chromium.org>, Andrey Ignatov <rdna@fb.com>,
Quentin Monnet <quentin@isovalent.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
bpf@vger.kernel.org
Cc: opensource.kernel@vivo.com
Subject: Re: [PATCH] bpf: Add bpf_skb_get_sock_comm() helper
Date: Mon, 10 Aug 2020 07:56:08 -0700 [thread overview]
Message-ID: <315a12d8-abd9-f9d3-a1b2-bcec8598a984@gmail.com> (raw)
In-Reply-To: <20200810131014.12057-1-jyu.jiang@vivo.com>
On 8/10/20 6:09 AM, Jiang Yu wrote:
> skb distinguished by uid can only recorded to user who consume them.
> in many case, skb should been recorded more specific to process who
> consume them. E.g, the unexpected large data traffic of illegal process
> in metered network.
>
> this helper is used in tracing task comm of the sock to which a skb
> belongs.
>
> Signed-off-by: Jiang Yu <jyu.jiang@vivo.com>
fd can be passed from one process to another.
next prev parent reply other threads:[~2020-08-10 14:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-10 13:09 Jiang Yu
2020-08-10 14:56 ` Eric Dumazet [this message]
2020-08-10 17:56 ` Martin KaFai Lau
[not found] ` <AFoAPQBqDUaFCjrcrhfZkKrn.3.1597817456174.Hmail.jyu.jiang@vivo.com>
2020-08-19 17:02 ` Martin KaFai Lau
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