[linux-block.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,
	INET_DIAG_REQ_SK_BPF_STORAGES,
	INET_DIAG_REQ_PROTOCOL,
	__INET_DIAG_REQ_MAX,
};

#define INET_DIAG_REQ_MAX (__INET_DIAG_REQ_MAX - 1)

/* 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,
	INET_DIAG_BC_S_EQ,
	INET_DIAG_BC_D_EQ,
	INET_DIAG_BC_CGROUP_COND,   /* u64 cgroup v2 ID */
};

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

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,

	/*
	 * Next extensions cannot be requested in struct inet_diag_req_v2:
	 * its field idiag_ext has only 8 bits.
	 */

	INET_DIAG_DCTCPINFO,	/* request as INET_DIAG_VEGASINFO */
	INET_DIAG_PROTOCOL,	/* response attribute only */
	INET_DIAG_SKV6ONLY,
	INET_DIAG_LOCALS,
	INET_DIAG_PEERS,
	INET_DIAG_PAD,
	INET_DIAG_MARK,		/* only with CAP_NET_ADMIN */
	INET_DIAG_BBRINFO,	/* request as INET_DIAG_VEGASINFO */
	INET_DIAG_CLASS_ID,	/* request as INET_DIAG_TCLASS */
	INET_DIAG_MD5SIG,
	INET_DIAG_ULP_INFO,
	INET_DIAG_SK_BPF_STORAGES,
	INET_DIAG_CGROUP_ID,
	INET_DIAG_SOCKOPT,
	__INET_DIAG_MAX,
};

#define INET_DIAG_MAX (__INET_DIAG_MAX - 1)

enum {
	INET_ULP_INFO_UNSPEC,
	INET_ULP_INFO_NAME,
	INET_ULP_INFO_TLS,
	INET_ULP_INFO_MPTCP,
	__INET_ULP_INFO_MAX,
};
#define INET_ULP_INFO_MAX (__INET_ULP_INFO_MAX - 1)

/* INET_DIAG_MEM */

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

/* INET_DIAG_SOCKOPT */

struct inet_diag_sockopt {
	__u8	recverr:1,
		is_icsk:1,
		freebind:1,
		hdrincl:1,
		mc_loop:1,
		transparent:1,
		mc_all:1,
		nodefrag:1;
	__u8	bind_address_no_port:1,
		recverr_rfc4884:1,
		defer_connect:1,
		unused:5;
};

/* 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
	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
	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
	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
	64	enum {
	65	INET_DIAG_REQ_NONE,
	66	INET_DIAG_REQ_BYTECODE,
	67	INET_DIAG_REQ_SK_BPF_STORAGES,
	68	INET_DIAG_REQ_PROTOCOL,
	69	__INET_DIAG_REQ_MAX,
	70	};
	71
	72	#define INET_DIAG_REQ_MAX (__INET_DIAG_REQ_MAX - 1)
	73
	74	/* Bytecode is sequence of 4 byte commands followed by variable arguments.
	75	* All the commands identified by "code" are conditional jumps forward:
	76	* to offset cc+"yes" or to offset cc+"no". "yes" is supposed to be
	77	* length of the command and its arguments.
	78	*/
	79
	80	struct inet_diag_bc_op {
	81	unsigned char code;
	82	unsigned char yes;
	83	unsigned short no;
	84	};
	85
	86	enum {
	87	INET_DIAG_BC_NOP,
	88	INET_DIAG_BC_JMP,
	89	INET_DIAG_BC_S_GE,
	90	INET_DIAG_BC_S_LE,
	91	INET_DIAG_BC_D_GE,
	92	INET_DIAG_BC_D_LE,
	93	INET_DIAG_BC_AUTO,
	94	INET_DIAG_BC_S_COND,
	95	INET_DIAG_BC_D_COND,
	96	INET_DIAG_BC_DEV_COND, /* u32 ifindex */
	97	INET_DIAG_BC_MARK_COND,
	98	INET_DIAG_BC_S_EQ,
	99	INET_DIAG_BC_D_EQ,
	100	INET_DIAG_BC_CGROUP_COND, /* u64 cgroup v2 ID */
	101	};
	102
	103	struct inet_diag_hostcond {
	104	__u8 family;
	105	__u8 prefix_len;
	106	int port;
	107	__be32 addr[];
	108	};
	109
	110	struct inet_diag_markcond {
	111	__u32 mark;
	112	__u32 mask;
	113	};
	114
	115	/* Base info structure. It contains socket identity (addrs/ports/cookie)
	116	* and, alas, the information shown by netstat. */
	117	struct inet_diag_msg {
	118	__u8 idiag_family;
	119	__u8 idiag_state;
	120	__u8 idiag_timer;
	121	__u8 idiag_retrans;
	122
	123	struct inet_diag_sockid id;
	124
	125	__u32 idiag_expires;
	126	__u32 idiag_rqueue;
	127	__u32 idiag_wqueue;
	128	__u32 idiag_uid;
	129	__u32 idiag_inode;
	130	};
	131
	132	/* Extensions */
	133
	134	enum {
	135	INET_DIAG_NONE,
	136	INET_DIAG_MEMINFO,
	137	INET_DIAG_INFO,
	138	INET_DIAG_VEGASINFO,
	139	INET_DIAG_CONG,
	140	INET_DIAG_TOS,
	141	INET_DIAG_TCLASS,
	142	INET_DIAG_SKMEMINFO,
	143	INET_DIAG_SHUTDOWN,
	144
	145	/*
	146	* Next extensions cannot be requested in struct inet_diag_req_v2:
	147	* its field idiag_ext has only 8 bits.
	148	*/
	149
	150	INET_DIAG_DCTCPINFO, /* request as INET_DIAG_VEGASINFO */
	151	INET_DIAG_PROTOCOL, /* response attribute only */
	152	INET_DIAG_SKV6ONLY,
	153	INET_DIAG_LOCALS,
	154	INET_DIAG_PEERS,
	155	INET_DIAG_PAD,
	156	INET_DIAG_MARK, /* only with CAP_NET_ADMIN */
	157	INET_DIAG_BBRINFO, /* request as INET_DIAG_VEGASINFO */
	158	INET_DIAG_CLASS_ID, /* request as INET_DIAG_TCLASS */
	159	INET_DIAG_MD5SIG,
	160	INET_DIAG_ULP_INFO,
	161	INET_DIAG_SK_BPF_STORAGES,
	162	INET_DIAG_CGROUP_ID,
	163	INET_DIAG_SOCKOPT,
	164	__INET_DIAG_MAX,
	165	};
	166
	167	#define INET_DIAG_MAX (__INET_DIAG_MAX - 1)
	168
	169	enum {
	170	INET_ULP_INFO_UNSPEC,
	171	INET_ULP_INFO_NAME,
	172	INET_ULP_INFO_TLS,
	173	INET_ULP_INFO_MPTCP,
	174	__INET_ULP_INFO_MAX,
	175	};
	176	#define INET_ULP_INFO_MAX (__INET_ULP_INFO_MAX - 1)
	177
	178	/* INET_DIAG_MEM */
	179
	180	struct inet_diag_meminfo {
	181	__u32 idiag_rmem;
	182	__u32 idiag_wmem;
	183	__u32 idiag_fmem;
	184	__u32 idiag_tmem;
	185	};
	186
	187	/* INET_DIAG_SOCKOPT */
	188
	189	struct inet_diag_sockopt {
	190	__u8 recverr:1,
	191	is_icsk:1,
	192	freebind:1,
	193	hdrincl:1,
	194	mc_loop:1,
	195	transparent:1,
	196	mc_all:1,
	197	nodefrag:1;
	198	__u8 bind_address_no_port:1,
	199	recverr_rfc4884:1,
	200	defer_connect:1,
	201	unused:5;
	202	};
	203
	204	/* INET_DIAG_VEGASINFO */
	205
	206	struct tcpvegas_info {
	207	__u32 tcpv_enabled;
	208	__u32 tcpv_rttcnt;
	209	__u32 tcpv_rtt;
	210	__u32 tcpv_minrtt;
	211	};
	212
	213	/* INET_DIAG_DCTCPINFO */
	214
	215	struct tcp_dctcp_info {
	216	__u16 dctcp_enabled;
	217	__u16 dctcp_ce_state;
	218	__u32 dctcp_alpha;
	219	__u32 dctcp_ab_ecn;
	220	__u32 dctcp_ab_tot;
	221	};
	222
	223	/* INET_DIAG_BBRINFO */
	224
	225	struct tcp_bbr_info {
	226	/* u64 bw: max-filtered BW (app throughput) estimate in Byte per sec: */
	227	__u32 bbr_bw_lo; /* lower 32 bits of bw */
	228	__u32 bbr_bw_hi; /* upper 32 bits of bw */
	229	__u32 bbr_min_rtt; /* min-filtered RTT in uSec */
	230	__u32 bbr_pacing_gain; /* pacing gain shifted left 8 bits */
	231	__u32 bbr_cwnd_gain; /* cwnd gain shifted left 8 bits */
	232	};
	233
	234	union tcp_cc_info {
	235	struct tcpvegas_info vegas;
	236	struct tcp_dctcp_info dctcp;
	237	struct tcp_bbr_info bbr;
	238	};
	239	#endif /* _UAPI_INET_DIAG_H_ */