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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 189#define DCCPDIAG_GETSOCK 1910 11#define INET_DIAG_GETSOCK_MAX 2412 13/* Socket identity */14struct 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 26struct 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 38struct 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 be49 * additionally specified so we can use @pad member for50 * this, but we can't rename it because userspace programs51 * still may depend on this name. Instead lets use another52 * structure definition as an alias for struct53 * @inet_diag_req_v2.54 */55struct 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 64enum {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 be77 * length of the command and its arguments.78 */79 80struct inet_diag_bc_op {81 unsigned char code;82 unsigned char yes;83 unsigned short no;84};85 86enum {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 103struct inet_diag_hostcond {104 __u8 family;105 __u8 prefix_len;106 int port;107 __be32 addr[];108};109 110struct 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. */117struct 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 134enum {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 169enum {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 180struct 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 189struct 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 206struct 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 215struct 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 225struct 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 234union 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_ */240