bpf: add own ctx rewriter on ifindex for clsact progs

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When fetching ifindex, we don't need to test dev for being NULL since
we're always guaranteed to have a valid dev for clsact programs. Thus,
avoid this test in fast path.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Daniel Borkmann 2016-09-09 02:45:30 +02:00 • committed by David S. Miller

parent f035a51536

commit 374fb54eea

1 changed files with 31 additions and 6 deletions

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net/core/filter.c

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