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 }; 76 77 struct inet_diag_hostcond { 78 __u8 family; 79 __u8 prefix_len; 80 int port; 81 __be32 addr[0]; 82 }; 83 84 /* Base info structure. It contains socket identity (addrs/ports/cookie) 85 * and, alas, the information shown by netstat. */ 86 struct inet_diag_msg { 87 __u8 idiag_family; 88 __u8 idiag_state; 89 __u8 idiag_timer; 90 __u8 idiag_retrans; 91 92 struct inet_diag_sockid id; 93 94 __u32 idiag_expires; 95 __u32 idiag_rqueue; 96 __u32 idiag_wqueue; 97 __u32 idiag_uid; 98 __u32 idiag_inode; 99 }; 100 101 /* Extensions */ 102 103 enum { 104 INET_DIAG_NONE, 105 INET_DIAG_MEMINFO, 106 INET_DIAG_INFO, 107 INET_DIAG_VEGASINFO, 108 INET_DIAG_CONG, 109 INET_DIAG_TOS, 110 INET_DIAG_TCLASS, 111 INET_DIAG_SKMEMINFO, 112 INET_DIAG_SHUTDOWN, 113 INET_DIAG_DCTCPINFO, 114 INET_DIAG_PROTOCOL, /* response attribute only */ 115 INET_DIAG_SKV6ONLY, 116 }; 117 118 #define INET_DIAG_MAX INET_DIAG_SKV6ONLY 119 120 /* INET_DIAG_MEM */ 121 122 struct inet_diag_meminfo { 123 __u32 idiag_rmem; 124 __u32 idiag_wmem; 125 __u32 idiag_fmem; 126 __u32 idiag_tmem; 127 }; 128 129 /* INET_DIAG_VEGASINFO */ 130 131 struct tcpvegas_info { 132 __u32 tcpv_enabled; 133 __u32 tcpv_rttcnt; 134 __u32 tcpv_rtt; 135 __u32 tcpv_minrtt; 136 }; 137 138 /* INET_DIAG_DCTCPINFO */ 139 140 struct tcp_dctcp_info { 141 __u16 dctcp_enabled; 142 __u16 dctcp_ce_state; 143 __u32 dctcp_alpha; 144 __u32 dctcp_ab_ecn; 145 __u32 dctcp_ab_tot; 146 }; 147 148 union tcp_cc_info { 149 struct tcpvegas_info vegas; 150 struct tcp_dctcp_info dctcp; 151 }; 152 #endif /* _UAPI_INET_DIAG_H_ */ 153