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-rw-r--r--tools/testing/selftests/bpf/progs/empty_skb.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/empty_skb.c b/tools/testing/selftests/bpf/progs/empty_skb.c
index 4b0cd6753251..44326f5cc8bb 100644
--- a/tools/testing/selftests/bpf/progs/empty_skb.c
+++ b/tools/testing/selftests/bpf/progs/empty_skb.c
@@ -35,3 +35,10 @@ int tc_redirect_egress(struct __sk_buff *skb)
ret = bpf_clone_redirect(skb, ifindex, 0);
return 0;
}
+
+SEC("tc")
+int tc_adjust_room(struct __sk_buff *skb)
+{
+ ret = bpf_skb_adjust_room(skb, 4, BPF_ADJ_ROOM_NET, 0);
+ return 0;
+}