ebpf: add skb->priority to offset map for usage in {cls, act}_bpf

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This adds the ability to read out the skb->priority from an eBPF
program, so that it can be taken into account from a tc filter
or action for the use-case where the priority is not being used
to directly override the filter classification in a qdisc, but
to tag traffic otherwise for the classifier; the priority can be
assigned from various places incl. user space, in future we may
also mangle it from an eBPF program.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Daniel Borkmann 2015-04-03 20:52:24 +02:00 • committed by David S. Miller

parent 2e7056c433

commit bcad571824

2 changed files with 8 additions and 0 deletions

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include/uapi/linux/bpf.h

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