bpf: Add tests and samples for LWT-BPF

[linux-2.6-block.git] / samples / bpf / bpf_helpers.h

diff --git a/samples/bpf/bpf_helpers.h b/samples/bpf/bpf_helpers.h
index 90f44bd2045e16f5dd78ed842381d25a06fffa82..a246c61226291191c72db8000bcdd915b92cd84a 100644 (file)
--- a/samples/bpf/bpf_helpers.h
+++ b/samples/bpf/bpf_helpers.h
@@ -80,6 +80,8 @@ struct bpf_map_def {
        unsigned int map_flags;
 };
 
+static int (*bpf_skb_load_bytes)(void *ctx, int off, void *to, int len) =
+       (void *) BPF_FUNC_skb_load_bytes;
 static int (*bpf_skb_store_bytes)(void *ctx, int off, void *from, int len, int flags) =
        (void *) BPF_FUNC_skb_store_bytes;
 static int (*bpf_l3_csum_replace)(void *ctx, int off, int from, int to, int flags) =
@@ -88,6 +90,8 @@ static int (*bpf_l4_csum_replace)(void *ctx, int off, int from, int to, int flag
        (void *) BPF_FUNC_l4_csum_replace;
 static int (*bpf_skb_under_cgroup)(void *ctx, void *map, int index) =
        (void *) BPF_FUNC_skb_under_cgroup;
+static int (*bpf_skb_change_head)(void *, int len, int flags) =
+       (void *) BPF_FUNC_skb_change_head;
 
 #if defined(__x86_64__)