bpf: Sync bpf.h to tools/ (281f9e75) · Commits · 戴 / test

tools/include/uapi/linux/bpf.h

+65 −7

Original line number	Diff line number	Diff line
		@@ -2329,6 +2329,23 @@ union bpf_attr {
		* "y".
		* Return
		* 0
		*
		* struct bpf_sock bpf_sk_fullsock(struct bpf_sock sk)
		* Description
		* This helper gets a struct bpf_sock pointer such
		* that all the fields in bpf_sock can be accessed.
		* Return
		* A struct bpf_sock pointer on success, or NULL in
		* case of failure.
		*
		* struct bpf_tcp_sock bpf_tcp_sock(struct bpf_sock sk)
		* Description
		* This helper gets a struct bpf_tcp_sock pointer from a
		* struct bpf_sock pointer.
		*
		* Return
		* A struct bpf_tcp_sock pointer on success, or NULL in
		* case of failure.
		*/
		#define __BPF_FUNC_MAPPER(FN) \
		FN(unspec), \
		@@ -2425,7 +2442,9 @@ union bpf_attr {
		FN(msg_pop_data), \
		FN(rc_pointer_rel), \
		FN(spin_lock), \
		FN(spin_unlock),
		FN(spin_unlock), \
		FN(sk_fullsock), \
		FN(tcp_sock),

		/* integer value in 'imm' field of BPF_CALL instruction selects which helper
		* function eBPF program intends to call
		@@ -2545,6 +2564,7 @@ struct __sk_buff {
		__u64 tstamp;
		__u32 wire_len;
		__u32 gso_segs;
		__bpf_md_ptr(struct bpf_sock *, sk);
		};

		struct bpf_tunnel_key {
		@@ -2596,14 +2616,52 @@ struct bpf_sock {
		__u32 protocol;
		__u32 mark;
		__u32 priority;
		__u32 src_ip4; /* Allows 1,2,4-byte read.
		* Stored in network byte order.
		/* IP address also allows 1 and 2 bytes access */
		__u32 src_ip4;
		__u32 src_ip6[4];
		__u32 src_port; /* host byte order */
		__u32 dst_port; /* network byte order */
		__u32 dst_ip4;
		__u32 dst_ip6[4];
		__u32 state;
		};

		struct bpf_tcp_sock {
		__u32 snd_cwnd; /* Sending congestion window */
		__u32 srtt_us; /* smoothed round trip time << 3 in usecs */
		__u32 rtt_min;
		__u32 snd_ssthresh; /* Slow start size threshold */
		__u32 rcv_nxt; /* What we want to receive next */
		__u32 snd_nxt; /* Next sequence we send */
		__u32 snd_una; /* First byte we want an ack for */
		__u32 mss_cache; /* Cached effective mss, not including SACKS */
		__u32 ecn_flags; /* ECN status bits. */
		__u32 rate_delivered; /* saved rate sample: packets delivered */
		__u32 rate_interval_us; /* saved rate sample: time elapsed */
		__u32 packets_out; /* Packets which are "in flight" */
		__u32 retrans_out; /* Retransmitted packets out */
		__u32 total_retrans; /* Total retransmits for entire connection */
		__u32 segs_in; /* RFC4898 tcpEStatsPerfSegsIn
		* total number of segments in.
		*/
		__u32 src_ip6[4]; /* Allows 1,2,4-byte read.
		* Stored in network byte order.
		__u32 data_segs_in; /* RFC4898 tcpEStatsPerfDataSegsIn
		* total number of data segments in.
		*/
		__u32 segs_out; /* RFC4898 tcpEStatsPerfSegsOut
		* The total number of segments sent.
		*/
		__u32 data_segs_out; /* RFC4898 tcpEStatsPerfDataSegsOut
		* total number of data segments sent.
		*/
		__u32 lost_out; /* Lost packets */
		__u32 sacked_out; /* SACK'd packets */
		__u64 bytes_received; /* RFC4898 tcpEStatsAppHCThruOctetsReceived
		* sum(delta(rcv_nxt)), or how many bytes
		* were acked.
		*/
		__u32 src_port; /* Allows 4-byte read.
		* Stored in host byte order
		__u64 bytes_acked; /* RFC4898 tcpEStatsAppHCThruOctetsAcked
		* sum(delta(snd_una)), or how many bytes
		* were acked.
		*/
		};

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