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| author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2018-05-08 19:37:06 -0700 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2018-05-09 18:04:36 +0200 |
| commit | 0d8300325660f81787892a1c58dc1f9428a67143 (patch) | |
| tree | f4da9a224e333ac48b3110e1a3c4490646fef6d5 /kernel/bpf/verifier.c | |
| parent | a1d1f07935000fb810b75678f8f8ca6cbb14a417 (diff) | |
| download | linux-rt-0d8300325660f81787892a1c58dc1f9428a67143.tar.gz | |
bpf: xdp: allow offloads to store into rx_queue_index
It's fairly easy for offloaded XDP programs to select the RX queue
packets go to. We need a way of expressing this in the software.
Allow write to the rx_queue_index field of struct xdp_md for
device-bound programs.
Skip convert_ctx_access callback entirely for offloads.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'kernel/bpf/verifier.c')
| -rw-r--r-- | kernel/bpf/verifier.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index d5e1a6c4165d..d92d9c37affd 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -5215,7 +5215,7 @@ static int convert_ctx_accesses(struct bpf_verifier_env *env) } } - if (!ops->convert_ctx_access) + if (!ops->convert_ctx_access || bpf_prog_is_dev_bound(env->prog->aux)) return 0; insn = env->prog->insnsi + delta; |