/* 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[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,
|
|
/*
|
* Next extenstions 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_ */
|
