1#ifndef _INET_DIAG_H_ 2#define _INET_DIAG_H_ 1 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 */ 13struct 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 25struct 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 37struct 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 46enum { 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 59struct inet_diag_bc_op { 60 unsigned char code; 61 unsigned char yes; 62 unsigned short no; 63}; 64 65enum { 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 77struct 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. */ 86struct 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 103enum { 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}; 113 114#define INET_DIAG_MAX INET_DIAG_SKMEMINFO 115 116 117/* INET_DIAG_MEM */ 118 119struct inet_diag_meminfo { 120 __u32 idiag_rmem; 121 __u32 idiag_wmem; 122 __u32 idiag_fmem; 123 __u32 idiag_tmem; 124}; 125 126/* INET_DIAG_VEGASINFO */ 127 128struct tcpvegas_info { 129 __u32 tcpv_enabled; 130 __u32 tcpv_rttcnt; 131 __u32 tcpv_rtt; 132 __u32 tcpv_minrtt; 133}; 134 135 136#endif /* _INET_DIAG_H_ */ 137