1 #ifndef _UAPI_INET_DIAG_H_ 2 #define _UAPI_INET_DIAG_H_ 3 4 #include <linux/types.h> 5 6 /* Just some random number */ 7 #define TCPDIAG_GETSOCK 18 8 #define DCCPDIAG_GETSOCK 19 9 10 #define INET_DIAG_GETSOCK_MAX 24 11 12 /* Socket identity */ 13 struct inet_diag_sockid { 14 __be16 idiag_sport; 15 __be16 idiag_dport; 16 __be32 idiag_src[4]; 17 __be32 idiag_dst[4]; 18 __u32 idiag_if; 19 __u32 idiag_cookie[2]; 20 #define INET_DIAG_NOCOOKIE (~0U) 21 }; 22 23 /* Request structure */ 24 25 struct inet_diag_req { 26 __u8 idiag_family; /* Family of addresses. */ 27 __u8 idiag_src_len; 28 __u8 idiag_dst_len; 29 __u8 idiag_ext; /* Query extended information */ 30 31 struct inet_diag_sockid id; 32 33 __u32 idiag_states; /* States to dump */ 34 __u32 idiag_dbs; /* Tables to dump (NI) */ 35 }; 36 37 struct inet_diag_req_v2 { 38 __u8 sdiag_family; 39 __u8 sdiag_protocol; 40 __u8 idiag_ext; 41 __u8 pad; 42 __u32 idiag_states; 43 struct inet_diag_sockid id; 44 }; 45 46 enum { 47 INET_DIAG_REQ_NONE, 48 INET_DIAG_REQ_BYTECODE, 49 }; 50 51 #define INET_DIAG_REQ_MAX INET_DIAG_REQ_BYTECODE 52 53 /* Bytecode is sequence of 4 byte commands followed by variable arguments. 54 * All the commands identified by "code" are conditional jumps forward: 55 * to offset cc+"yes" or to offset cc+"no". "yes" is supposed to be 56 * length of the command and its arguments. 57 */ 58 59 struct inet_diag_bc_op { 60 unsigned char code; 61 unsigned char yes; 62 unsigned short no; 63 }; 64 65 enum { 66 INET_DIAG_BC_NOP, 67 INET_DIAG_BC_JMP, 68 INET_DIAG_BC_S_GE, 69 INET_DIAG_BC_S_LE, 70 INET_DIAG_BC_D_GE, 71 INET_DIAG_BC_D_LE, 72 INET_DIAG_BC_AUTO, 73 INET_DIAG_BC_S_COND, 74 INET_DIAG_BC_D_COND, 75 INET_DIAG_BC_DEV_COND, /* u32 ifindex */ 76 INET_DIAG_BC_MARK_COND, 77 }; 78 79 struct inet_diag_hostcond { 80 __u8 family; 81 __u8 prefix_len; 82 int port; 83 __be32 addr[0]; 84 }; 85 86 struct inet_diag_markcond { 87 __u32 mark; 88 __u32 mask; 89 }; 90 91 /* Base info structure. It contains socket identity (addrs/ports/cookie) 92 * and, alas, the information shown by netstat. */ 93 struct inet_diag_msg { 94 __u8 idiag_family; 95 __u8 idiag_state; 96 __u8 idiag_timer; 97 __u8 idiag_retrans; 98 99 struct inet_diag_sockid id; 100 101 __u32 idiag_expires; 102 __u32 idiag_rqueue; 103 __u32 idiag_wqueue; 104 __u32 idiag_uid; 105 __u32 idiag_inode; 106 }; 107 108 /* Extensions */ 109 110 enum { 111 INET_DIAG_NONE, 112 INET_DIAG_MEMINFO, 113 INET_DIAG_INFO, 114 INET_DIAG_VEGASINFO, 115 INET_DIAG_CONG, 116 INET_DIAG_TOS, 117 INET_DIAG_TCLASS, 118 INET_DIAG_SKMEMINFO, 119 INET_DIAG_SHUTDOWN, 120 INET_DIAG_DCTCPINFO, 121 INET_DIAG_PROTOCOL, /* response attribute only */ 122 INET_DIAG_SKV6ONLY, 123 INET_DIAG_LOCALS, 124 INET_DIAG_PEERS, 125 INET_DIAG_PAD, 126 INET_DIAG_MARK, 127 INET_DIAG_BBRINFO, 128 __INET_DIAG_MAX, 129 }; 130 131 #define INET_DIAG_MAX (__INET_DIAG_MAX - 1) 132 133 /* INET_DIAG_MEM */ 134 135 struct inet_diag_meminfo { 136 __u32 idiag_rmem; 137 __u32 idiag_wmem; 138 __u32 idiag_fmem; 139 __u32 idiag_tmem; 140 }; 141 142 /* INET_DIAG_VEGASINFO */ 143 144 struct tcpvegas_info { 145 __u32 tcpv_enabled; 146 __u32 tcpv_rttcnt; 147 __u32 tcpv_rtt; 148 __u32 tcpv_minrtt; 149 }; 150 151 /* INET_DIAG_DCTCPINFO */ 152 153 struct tcp_dctcp_info { 154 __u16 dctcp_enabled; 155 __u16 dctcp_ce_state; 156 __u32 dctcp_alpha; 157 __u32 dctcp_ab_ecn; 158 __u32 dctcp_ab_tot; 159 }; 160 161 /* INET_DIAG_BBRINFO */ 162 163 struct tcp_bbr_info { 164 /* u64 bw: max-filtered BW (app throughput) estimate in Byte per sec: */ 165 __u32 bbr_bw_lo; /* lower 32 bits of bw */ 166 __u32 bbr_bw_hi; /* upper 32 bits of bw */ 167 __u32 bbr_min_rtt; /* min-filtered RTT in uSec */ 168 __u32 bbr_pacing_gain; /* pacing gain shifted left 8 bits */ 169 __u32 bbr_cwnd_gain; /* cwnd gain shifted left 8 bits */ 170 }; 171 172 union tcp_cc_info { 173 struct tcpvegas_info vegas; 174 struct tcp_dctcp_info dctcp; 175 struct tcp_bbr_info bbr; 176 }; 177 #endif /* _UAPI_INET_DIAG_H_ */ 178