[mirror_ubuntu-bionic-kernel.git] / include / uapi / linux / inet_diag.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_INET_DIAG_H_
#define _UAPI_INET_DIAG_H_

#include <linux/types.h>

/* Just some random number */
#define TCPDIAG_GETSOCK 18
#define DCCPDIAG_GETSOCK 19

#define INET_DIAG_GETSOCK_MAX 24

/* Socket identity */
struct inet_diag_sockid {
	__be16	idiag_sport;
	__be16	idiag_dport;
	__be32	idiag_src[4];
	__be32	idiag_dst[4];
	__u32	idiag_if;
	__u32	idiag_cookie[2];
#define INET_DIAG_NOCOOKIE (~0U)
};

/* Request structure */

struct inet_diag_req {
	__u8	idiag_family;		/* Family of addresses. */
	__u8	idiag_src_len;
	__u8	idiag_dst_len;
	__u8	idiag_ext;		/* Query extended information */

	struct inet_diag_sockid id;

	__u32	idiag_states;		/* States to dump */
	__u32	idiag_dbs;		/* Tables to dump (NI) */
};

struct inet_diag_req_v2 {
	__u8	sdiag_family;
	__u8	sdiag_protocol;
	__u8	idiag_ext;
	__u8	pad;
	__u32	idiag_states;
	struct inet_diag_sockid id;
};

/*
 * SOCK_RAW sockets require the underlied protocol to be
 * additionally specified so we can use @pad member for
 * this, but we can't rename it because userspace programs
 * still may depend on this name. Instead lets use another
 * structure definition as an alias for struct
 * @inet_diag_req_v2.
 */
struct inet_diag_req_raw {
	__u8	sdiag_family;
	__u8	sdiag_protocol;
	__u8	idiag_ext;
	__u8	sdiag_raw_protocol;
	__u32	idiag_states;
	struct inet_diag_sockid id;
};

enum {
	INET_DIAG_REQ_NONE,
	INET_DIAG_REQ_BYTECODE,
};

#define INET_DIAG_REQ_MAX INET_DIAG_REQ_BYTECODE

/* Bytecode is sequence of 4 byte commands followed by variable arguments.
 * All the commands identified by "code" are conditional jumps forward:
 * to offset cc+"yes" or to offset cc+"no". "yes" is supposed to be
 * length of the command and its arguments.
 */
 
struct inet_diag_bc_op {
	unsigned char	code;
	unsigned char	yes;
	unsigned short	no;
};

enum {
	INET_DIAG_BC_NOP,
	INET_DIAG_BC_JMP,
	INET_DIAG_BC_S_GE,
	INET_DIAG_BC_S_LE,
	INET_DIAG_BC_D_GE,
	INET_DIAG_BC_D_LE,
	INET_DIAG_BC_AUTO,
	INET_DIAG_BC_S_COND,
	INET_DIAG_BC_D_COND,
	INET_DIAG_BC_DEV_COND,   /* u32 ifindex */
	INET_DIAG_BC_MARK_COND,
};

struct inet_diag_hostcond {
	__u8	family;
	__u8	prefix_len;
	int	port;
	__be32	addr[0];
};

struct inet_diag_markcond {
	__u32 mark;
	__u32 mask;
};

/* Base info structure. It contains socket identity (addrs/ports/cookie)
 * and, alas, the information shown by netstat. */
struct inet_diag_msg {
	__u8	idiag_family;
	__u8	idiag_state;
	__u8	idiag_timer;
	__u8	idiag_retrans;

	struct inet_diag_sockid id;

	__u32	idiag_expires;
	__u32	idiag_rqueue;
	__u32	idiag_wqueue;
	__u32	idiag_uid;
	__u32	idiag_inode;
};

/* Extensions */

enum {
	INET_DIAG_NONE,
	INET_DIAG_MEMINFO,
	INET_DIAG_INFO,
	INET_DIAG_VEGASINFO,
	INET_DIAG_CONG,
	INET_DIAG_TOS,
	INET_DIAG_TCLASS,
	INET_DIAG_SKMEMINFO,
	INET_DIAG_SHUTDOWN,
	INET_DIAG_DCTCPINFO,
	INET_DIAG_PROTOCOL,  /* response attribute only */
	INET_DIAG_SKV6ONLY,
	INET_DIAG_LOCALS,
	INET_DIAG_PEERS,
	INET_DIAG_PAD,
	INET_DIAG_MARK,
	INET_DIAG_BBRINFO,
	INET_DIAG_CLASS_ID,
	INET_DIAG_MD5SIG,
	__INET_DIAG_MAX,
};

#define INET_DIAG_MAX (__INET_DIAG_MAX - 1)

/* INET_DIAG_MEM */

struct inet_diag_meminfo {
	__u32	idiag_rmem;
	__u32	idiag_wmem;
	__u32	idiag_fmem;
	__u32	idiag_tmem;
};

/* INET_DIAG_VEGASINFO */

struct tcpvegas_info {
	__u32	tcpv_enabled;
	__u32	tcpv_rttcnt;
	__u32	tcpv_rtt;
	__u32	tcpv_minrtt;
};

/* INET_DIAG_DCTCPINFO */

struct tcp_dctcp_info {
	__u16	dctcp_enabled;
	__u16	dctcp_ce_state;
	__u32	dctcp_alpha;
	__u32	dctcp_ab_ecn;
	__u32	dctcp_ab_tot;
};

/* INET_DIAG_BBRINFO */

struct tcp_bbr_info {
	/* u64 bw: max-filtered BW (app throughput) estimate in Byte per sec: */
	__u32	bbr_bw_lo;		/* lower 32 bits of bw */
	__u32	bbr_bw_hi;		/* upper 32 bits of bw */
	__u32	bbr_min_rtt;		/* min-filtered RTT in uSec */
	__u32	bbr_pacing_gain;	/* pacing gain shifted left 8 bits */
	__u32	bbr_cwnd_gain;		/* cwnd gain shifted left 8 bits */
};

union tcp_cc_info {
	struct tcpvegas_info	vegas;
	struct tcp_dctcp_info	dctcp;
	struct tcp_bbr_info	bbr;
};
#endif /* _UAPI_INET_DIAG_H_ */
Commit	Line	Data
6f52b16c	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
607ca46e DH	2	#ifndef _UAPI_INET_DIAG_H_
	3	#define _UAPI_INET_DIAG_H_
	4
	5	#include <linux/types.h>
	6
	7	/* Just some random number */
	8	#define TCPDIAG_GETSOCK 18
	9	#define DCCPDIAG_GETSOCK 19
	10
	11	#define INET_DIAG_GETSOCK_MAX 24
	12
	13	/* Socket identity */
	14	struct inet_diag_sockid {
	15	__be16 idiag_sport;
	16	__be16 idiag_dport;
	17	__be32 idiag_src[4];
	18	__be32 idiag_dst[4];
	19	__u32 idiag_if;
	20	__u32 idiag_cookie[2];
	21	#define INET_DIAG_NOCOOKIE (~0U)
	22	};
	23
	24	/* Request structure */
	25
	26	struct inet_diag_req {
	27	__u8 idiag_family; /* Family of addresses. */
	28	__u8 idiag_src_len;
	29	__u8 idiag_dst_len;
	30	__u8 idiag_ext; /* Query extended information */
	31
	32	struct inet_diag_sockid id;
	33
	34	__u32 idiag_states; /* States to dump */
	35	__u32 idiag_dbs; /* Tables to dump (NI) */
	36	};
	37
	38	struct inet_diag_req_v2 {
	39	__u8 sdiag_family;
	40	__u8 sdiag_protocol;
	41	__u8 idiag_ext;
	42	__u8 pad;
	43	__u32 idiag_states;
	44	struct inet_diag_sockid id;
	45	};
	46
432490f9 CG	47	/*
	48	* SOCK_RAW sockets require the underlied protocol to be
	49	* additionally specified so we can use @pad member for
	50	* this, but we can't rename it because userspace programs
	51	* still may depend on this name. Instead lets use another
	52	* structure definition as an alias for struct
	53	* @inet_diag_req_v2.
	54	*/
	55	struct inet_diag_req_raw {
	56	__u8 sdiag_family;
	57	__u8 sdiag_protocol;
	58	__u8 idiag_ext;
	59	__u8 sdiag_raw_protocol;
	60	__u32 idiag_states;
	61	struct inet_diag_sockid id;
	62	};
	63
607ca46e DH	64	enum {
	65	INET_DIAG_REQ_NONE,
	66	INET_DIAG_REQ_BYTECODE,
	67	};
	68
	69	#define INET_DIAG_REQ_MAX INET_DIAG_REQ_BYTECODE
	70
	71	/* Bytecode is sequence of 4 byte commands followed by variable arguments.
	72	* All the commands identified by "code" are conditional jumps forward:
	73	* to offset cc+"yes" or to offset cc+"no". "yes" is supposed to be
	74	* length of the command and its arguments.
	75	*/
	76
	77	struct inet_diag_bc_op {
	78	unsigned char code;
	79	unsigned char yes;
	80	unsigned short no;
	81	};
	82
	83	enum {
	84	INET_DIAG_BC_NOP,
	85	INET_DIAG_BC_JMP,
	86	INET_DIAG_BC_S_GE,
	87	INET_DIAG_BC_S_LE,
	88	INET_DIAG_BC_D_GE,
	89	INET_DIAG_BC_D_LE,
	90	INET_DIAG_BC_AUTO,
	91	INET_DIAG_BC_S_COND,
	92	INET_DIAG_BC_D_COND,
637c841d	93	INET_DIAG_BC_DEV_COND, /* u32 ifindex */
a52e95ab	94	INET_DIAG_BC_MARK_COND,
607ca46e DH	95	};
	96
	97	struct inet_diag_hostcond {
	98	__u8 family;
	99	__u8 prefix_len;
	100	int port;
	101	__be32 addr[0];
	102	};
	103
a52e95ab LC	104	struct inet_diag_markcond {
	105	__u32 mark;
	106	__u32 mask;
	107	};
	108
607ca46e DH	109	/* Base info structure. It contains socket identity (addrs/ports/cookie)
	110	* and, alas, the information shown by netstat. */
	111	struct inet_diag_msg {
	112	__u8 idiag_family;
	113	__u8 idiag_state;
	114	__u8 idiag_timer;
	115	__u8 idiag_retrans;
	116
	117	struct inet_diag_sockid id;
	118
	119	__u32 idiag_expires;
	120	__u32 idiag_rqueue;
	121	__u32 idiag_wqueue;
	122	__u32 idiag_uid;
	123	__u32 idiag_inode;
	124	};
	125
	126	/* Extensions */
	127
	128	enum {
	129	INET_DIAG_NONE,
	130	INET_DIAG_MEMINFO,
	131	INET_DIAG_INFO,
	132	INET_DIAG_VEGASINFO,
	133	INET_DIAG_CONG,
	134	INET_DIAG_TOS,
	135	INET_DIAG_TCLASS,
	136	INET_DIAG_SKMEMINFO,
e4e541a8	137	INET_DIAG_SHUTDOWN,
e3118e83	138	INET_DIAG_DCTCPINFO,
35ac838a	139	INET_DIAG_PROTOCOL, /* response attribute only */
20462155	140	INET_DIAG_SKV6ONLY,
8f840e47 XL	141	INET_DIAG_LOCALS,
8f840e47 XL	142	INET_DIAG_PEERS,
6ed46d12	143	INET_DIAG_PAD,
d545caca	144	INET_DIAG_MARK,
0f8782ea	145	INET_DIAG_BBRINFO,
0888e372	146	INET_DIAG_CLASS_ID,
c03fa9bc	147	INET_DIAG_MD5SIG,
6ed46d12	148	__INET_DIAG_MAX,
607ca46e DH	149	};
607ca46e DH	150
6ed46d12	151	#define INET_DIAG_MAX (__INET_DIAG_MAX - 1)
607ca46e DH	152
	153	/* INET_DIAG_MEM */
	154
	155	struct inet_diag_meminfo {
	156	__u32 idiag_rmem;
	157	__u32 idiag_wmem;
	158	__u32 idiag_fmem;
	159	__u32 idiag_tmem;
	160	};
	161
	162	/* INET_DIAG_VEGASINFO */
	163
	164	struct tcpvegas_info {
	165	__u32 tcpv_enabled;
	166	__u32 tcpv_rttcnt;
	167	__u32 tcpv_rtt;
	168	__u32 tcpv_minrtt;
	169	};
	170
e3118e83 DB	171	/* INET_DIAG_DCTCPINFO */
	172
	173	struct tcp_dctcp_info {
	174	__u16 dctcp_enabled;
	175	__u16 dctcp_ce_state;
	176	__u32 dctcp_alpha;
	177	__u32 dctcp_ab_ecn;
	178	__u32 dctcp_ab_tot;
	179	};
607ca46e	180
0f8782ea NC	181	/* INET_DIAG_BBRINFO */
	182
	183	struct tcp_bbr_info {
	184	/* u64 bw: max-filtered BW (app throughput) estimate in Byte per sec: */
	185	__u32 bbr_bw_lo; /* lower 32 bits of bw */
	186	__u32 bbr_bw_hi; /* upper 32 bits of bw */
	187	__u32 bbr_min_rtt; /* min-filtered RTT in uSec */
	188	__u32 bbr_pacing_gain; /* pacing gain shifted left 8 bits */
	189	__u32 bbr_cwnd_gain; /* cwnd gain shifted left 8 bits */
	190	};
	191
64f40ff5 ED	192	union tcp_cc_info {
	193	struct tcpvegas_info vegas;
	194	struct tcp_dctcp_info dctcp;
0f8782ea	195	struct tcp_bbr_info bbr;
64f40ff5	196	};
607ca46e	197	#endif /* _UAPI_INET_DIAG_H_ */