tools/bpf: sync bpf_flow_keys flags

Export bpf_flow_keys flags to tools/libbpf/selftests.

Acked-by: Petar Penkov <[email protected]>
Acked-by: Willem de Bruijn <[email protected]>
Acked-by: Song Liu <[email protected]>
Cc: Song Liu <[email protected]>
Cc: Willem de Bruijn <[email protected]>
Cc: Petar Penkov <[email protected]>
Signed-off-by: Stanislav Fomichev <[email protected]>
Signed-off-by: Alexei Starovoitov <[email protected]>

Author: fomichev

tools/include/uapi/linux/bpf.h

@@ -3504,6 +3504,10 @@ enum bpf_task_fd_type {
 	BPF_FD_TYPE_URETPROBE,		/* filename + offset */
 };
 
+#define BPF_FLOW_DISSECTOR_F_PARSE_1ST_FRAG		(1U << 0)
+#define BPF_FLOW_DISSECTOR_F_STOP_AT_FLOW_LABEL		(1U << 1)
+#define BPF_FLOW_DISSECTOR_F_STOP_AT_ENCAP		(1U << 2)
+
 struct bpf_flow_keys {
 	__u16	nhoff;
 	__u16	thoff;
@@ -3525,6 +3529,7 @@ struct bpf_flow_keys {
 			__u32	ipv6_dst[4];	/* in6_addr; network order */
 		};
 	};
+	__u32	flags;
 };
 
 struct bpf_func_info {