Sync include/uapi/linux/bpf.h with tools/ equivalent to add
BPF_F_ADJ_ROOM_ENCAP_L2(len) macro.
Signed-off-by: Alan Maguire <alan.maguire@xxxxxxxxxx>
---
tools/include/uapi/linux/bpf.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 8370245..6d8346a 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -1500,6 +1500,10 @@ struct bpf_stack_build_id {
* * **BPF_F_ADJ_ROOM_ENCAP_L4_UDP **:
* Use with ENCAP_L3 flags to further specify the tunnel type.
*
+ * * **BPF_F_ADJ_ROOM_ENCAP_L2(len) **:
+ * Use with ENCAP_L3/L4 flags to further specify the tunnel
+ * type; **len** is the length of the inner MAC header.
+ *
* A call to this helper is susceptible to change the underlaying
* packet buffer. Therefore, at load time, all checks on pointers
* previously done by the verifier are invalidated and must be
@@ -2645,6 +2649,7 @@ enum bpf_func_id {
#define BPF_F_ADJ_ROOM_ENCAP_L3_IPV6 (1ULL << 2)
#define BPF_F_ADJ_ROOM_ENCAP_L4_GRE (1ULL << 3)
#define BPF_F_ADJ_ROOM_ENCAP_L4_UDP (1ULL << 4)
+#define BPF_F_ADJ_ROOM_ENCAP_L2(len) (((__u64)len & 0xff) << 56)
/* Mode for BPF_FUNC_skb_adjust_room helper. */
enum bpf_adj_room_mode {
--
1.8.3.1
