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Date: Fri, 28 Aug 2020 14:36:49 +0200 From: Daniel Borkmann <daniel@...earbox.net> To: Yonghong Song <yhs@...com>, bpf@...r.kernel.org, netdev@...r.kernel.org Cc: Alexei Starovoitov <ast@...nel.org>, kernel-team@...com, Andrii Nakryiko <andriin@...com> Subject: Re: [PATCH bpf-next] bpf: make bpf_link_info.iter similar to bpf_iter_link_info On 8/28/20 7:19 AM, Yonghong Song wrote: > bpf_link_info.iter is used by link_query to return > bpf_iter_link_info to user space. Fields may be different > ,e.g., map_fd vs. map_id, so we cannot reuse > the exact structure. But make them similar, e.g., > struct bpf_link_info { > /* common fields */ > union { > struct { ... } raw_tracepoint; > struct { ... } tracing; > ... > struct { > /* common fields for iter */ > union { > struct { > __u32 map_id; > } map; > /* other structs for other targets */ > }; > }; > }; > }; > so the structure is extensible the same way as > bpf_iter_link_info. > > Fixes: 6b0a249a301e ("bpf: Implement link_query for bpf iterators") > Acked-by: Andrii Nakryiko <andriin@...com> > Signed-off-by: Yonghong Song <yhs@...com> Applied, thanks!
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