bpf: sync bpf.h to tools/ for BPF_F_ADJ_ROOM_ENCAP_L2 (1db04c30) · Commits · 戴 / test

tools/include/uapi/linux/bpf.h

+10 −0

Original line number	Diff line number	Diff line
		@@ -1523,6 +1523,10 @@ union bpf_attr {
		* * 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
		@@ -2664,10 +2668,16 @@ enum bpf_func_id {
		/* BPF_FUNC_skb_adjust_room flags. */
		#define BPF_F_ADJ_ROOM_FIXED_GSO (1ULL << 0)

		#define BPF_ADJ_ROOM_ENCAP_L2_MASK 0xff
		#define BPF_ADJ_ROOM_ENCAP_L2_SHIFT 56

		#define BPF_F_ADJ_ROOM_ENCAP_L3_IPV4 (1ULL << 1)
		#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 & \
		BPF_ADJ_ROOM_ENCAP_L2_MASK) \
		<< BPF_ADJ_ROOM_ENCAP_L2_SHIFT)

		/* Mode for BPF_FUNC_skb_adjust_room helper. */
		enum bpf_adj_room_mode {