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b238290b96
bpf_prog_test_run_xattr takes a struct __sk_buff, but did not permit that __skbuff to include an nonzero ingress_ifindex. This patch updates to allow ingress_ifindex, convert the __sk_buff field to sk_buff (skb_iif) and back, and tests that the value is present from on BPF program side. The test sets an unlikely distinct value for ingress_ifindex (11) from ifindex (1), which is in line with the rest of the synthetic field tests. Adding this support allows testing BPF that operates differently on incoming and outgoing skbs by discriminating on this field. Signed-off-by: Neil Spring <ntspring@fb.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/20210831033356.1459316-1-ntspring@fb.com |
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| Makefile | ||
| test_run.c | ||