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 */ 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 enum { 38 INET_DIAG_REQ_NONE, 39 INET_DIAG_REQ_BYTECODE, 40 }; 41 42 #define INET_DIAG_REQ_MAX INET_DIAG_REQ_BYTECODE 43 44 /* Bytecode is sequence of 4 byte commands followed by variable arguments. 45 * All the commands identified by "code" are conditional jumps forward: 46 * to offset cc+"yes" or to offset cc+"no". "yes" is supposed to be 47 * length of the command and its arguments. 48 */ 49 50 struct inet_diag_bc_op { 51 unsigned char code; 52 unsigned char yes; 53 unsigned short no; 54 }; 55 56 enum { 57 INET_DIAG_BC_NOP, 58 INET_DIAG_BC_JMP, 59 INET_DIAG_BC_S_GE, 60 INET_DIAG_BC_S_LE, 61 INET_DIAG_BC_D_GE, 62 INET_DIAG_BC_D_LE, 63 INET_DIAG_BC_AUTO, 64 INET_DIAG_BC_S_COND, 65 INET_DIAG_BC_D_COND, 66 }; 67 68 struct inet_diag_hostcond { 69 __u8 family; 70 __u8 prefix_len; 71 int port; 72 __be32 addr[0]; 73 }; 74 75 /* Base info structure. It contains socket identity (addrs/ports/cookie) 76 * and, alas, the information shown by netstat. */ 77 struct inet_diag_msg { 78 __u8 idiag_family; 79 __u8 idiag_state; 80 __u8 idiag_timer; 81 __u8 idiag_retrans; 82 83 struct inet_diag_sockid id; 84 85 __u32 idiag_expires; 86 __u32 idiag_rqueue; 87 __u32 idiag_wqueue; 88 __u32 idiag_uid; 89 __u32 idiag_inode; 90 }; 91 92 /* Extensions */ 93 94 enum { 95 INET_DIAG_NONE, 96 INET_DIAG_MEMINFO, 97 INET_DIAG_INFO, 98 INET_DIAG_VEGASINFO, 99 INET_DIAG_CONG, 100 }; 101 102 #define INET_DIAG_MAX INET_DIAG_CONG 103 104 105 /* INET_DIAG_MEM */ 106 107 struct inet_diag_meminfo { 108 __u32 idiag_rmem; 109 __u32 idiag_wmem; 110 __u32 idiag_fmem; 111 __u32 idiag_tmem; 112 }; 113 114 /* INET_DIAG_VEGASINFO */ 115 116 struct tcpvegas_info { 117 __u32 tcpv_enabled; 118 __u32 tcpv_rttcnt; 119 __u32 tcpv_rtt; 120 __u32 tcpv_minrtt; 121 }; 122 123 124 #endif /* _INET_DIAG_H_ */ 125