diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/changes_pkt_data.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/changes_pkt_data.c | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/tools/testing/selftests/bpf/progs/changes_pkt_data.c b/tools/testing/selftests/bpf/progs/changes_pkt_data.c index f87da8e9d6b3..43cada48b28a 100644 --- a/tools/testing/selftests/bpf/progs/changes_pkt_data.c +++ b/tools/testing/selftests/bpf/progs/changes_pkt_data.c @@ -4,22 +4,35 @@ #include <bpf/bpf_helpers.h> __noinline -long changes_pkt_data(struct __sk_buff *sk, __u32 len) +long changes_pkt_data(struct __sk_buff *sk) { - return bpf_skb_pull_data(sk, len); + return bpf_skb_pull_data(sk, 0); } __noinline __weak -long does_not_change_pkt_data(struct __sk_buff *sk, __u32 len) +long does_not_change_pkt_data(struct __sk_buff *sk) { return 0; } -SEC("tc") -int dummy(struct __sk_buff *sk) +SEC("?tc") +int main_with_subprogs(struct __sk_buff *sk) +{ + changes_pkt_data(sk); + does_not_change_pkt_data(sk); + return 0; +} + +SEC("?tc") +int main_changes(struct __sk_buff *sk) +{ + bpf_skb_pull_data(sk, 0); + return 0; +} + +SEC("?tc") +int main_does_not_change(struct __sk_buff *sk) { - changes_pkt_data(sk, 0); - does_not_change_pkt_data(sk, 0); return 0; } |