Messages in this thread | | | Date | Thu, 19 Nov 2020 15:31:44 -0800 | From | Martin KaFai Lau <> | Subject | Re: [PATCH v2 2/5] bpf: Add a bpf_sock_from_file helper |
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On Thu, Nov 19, 2020 at 05:26:51PM +0100, Florent Revest wrote: > From: Florent Revest <revest@google.com> > > While eBPF programs can check whether a file is a socket by file->f_op > == &socket_file_ops, they cannot convert the void private_data pointer > to a struct socket BTF pointer. In order to do this a new helper > wrapping sock_from_file is added. > > This is useful to tracing programs but also other program types > inheriting this set of helpers such as iterators or LSM programs. Acked-by: Martin KaFai Lau <kafai@fb.com>
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