Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 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 | |
Christopher Ferris | 2fd4b3c | 2017-02-21 12:32:08 -0800 | [diff] [blame] | 46 | /* |
| 47 | * SOCK_RAW sockets require the underlied protocol to be |
| 48 | * additionally specified so we can use @pad member for |
| 49 | * this, but we can't rename it because userspace programs |
| 50 | * still may depend on this name. Instead lets use another |
| 51 | * structure definition as an alias for struct |
| 52 | * @inet_diag_req_v2. |
| 53 | */ |
| 54 | struct inet_diag_req_raw { |
| 55 | __u8 sdiag_family; |
| 56 | __u8 sdiag_protocol; |
| 57 | __u8 idiag_ext; |
| 58 | __u8 sdiag_raw_protocol; |
| 59 | __u32 idiag_states; |
| 60 | struct inet_diag_sockid id; |
| 61 | }; |
| 62 | |
Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 63 | enum { |
| 64 | INET_DIAG_REQ_NONE, |
| 65 | INET_DIAG_REQ_BYTECODE, |
| 66 | }; |
| 67 | |
| 68 | #define INET_DIAG_REQ_MAX INET_DIAG_REQ_BYTECODE |
| 69 | |
| 70 | /* Bytecode is sequence of 4 byte commands followed by variable arguments. |
| 71 | * All the commands identified by "code" are conditional jumps forward: |
| 72 | * to offset cc+"yes" or to offset cc+"no". "yes" is supposed to be |
| 73 | * length of the command and its arguments. |
| 74 | */ |
| 75 | |
| 76 | struct inet_diag_bc_op { |
| 77 | unsigned char code; |
| 78 | unsigned char yes; |
| 79 | unsigned short no; |
| 80 | }; |
| 81 | |
| 82 | enum { |
| 83 | INET_DIAG_BC_NOP, |
| 84 | INET_DIAG_BC_JMP, |
| 85 | INET_DIAG_BC_S_GE, |
| 86 | INET_DIAG_BC_S_LE, |
| 87 | INET_DIAG_BC_D_GE, |
| 88 | INET_DIAG_BC_D_LE, |
| 89 | INET_DIAG_BC_AUTO, |
| 90 | INET_DIAG_BC_S_COND, |
| 91 | INET_DIAG_BC_D_COND, |
Christopher Ferris | 6e3550f | 2016-12-12 14:51:18 -0800 | [diff] [blame] | 92 | INET_DIAG_BC_DEV_COND, /* u32 ifindex */ |
Christopher Ferris | 3318540 | 2017-01-13 13:28:52 -0800 | [diff] [blame] | 93 | INET_DIAG_BC_MARK_COND, |
Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 94 | }; |
| 95 | |
| 96 | struct inet_diag_hostcond { |
| 97 | __u8 family; |
| 98 | __u8 prefix_len; |
| 99 | int port; |
| 100 | __be32 addr[0]; |
| 101 | }; |
| 102 | |
Christopher Ferris | 3318540 | 2017-01-13 13:28:52 -0800 | [diff] [blame] | 103 | struct inet_diag_markcond { |
| 104 | __u32 mark; |
| 105 | __u32 mask; |
| 106 | }; |
| 107 | |
Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 108 | /* Base info structure. It contains socket identity (addrs/ports/cookie) |
| 109 | * and, alas, the information shown by netstat. */ |
| 110 | struct inet_diag_msg { |
| 111 | __u8 idiag_family; |
| 112 | __u8 idiag_state; |
| 113 | __u8 idiag_timer; |
| 114 | __u8 idiag_retrans; |
| 115 | |
| 116 | struct inet_diag_sockid id; |
| 117 | |
| 118 | __u32 idiag_expires; |
| 119 | __u32 idiag_rqueue; |
| 120 | __u32 idiag_wqueue; |
| 121 | __u32 idiag_uid; |
| 122 | __u32 idiag_inode; |
| 123 | }; |
| 124 | |
| 125 | /* Extensions */ |
| 126 | |
| 127 | enum { |
| 128 | INET_DIAG_NONE, |
| 129 | INET_DIAG_MEMINFO, |
| 130 | INET_DIAG_INFO, |
| 131 | INET_DIAG_VEGASINFO, |
| 132 | INET_DIAG_CONG, |
| 133 | INET_DIAG_TOS, |
| 134 | INET_DIAG_TCLASS, |
| 135 | INET_DIAG_SKMEMINFO, |
| 136 | INET_DIAG_SHUTDOWN, |
Christopher Ferris | 7c0b639 | 2015-01-23 15:34:26 -0800 | [diff] [blame] | 137 | INET_DIAG_DCTCPINFO, |
Christopher Ferris | 12e1f28 | 2016-02-04 12:35:07 -0800 | [diff] [blame] | 138 | INET_DIAG_PROTOCOL, /* response attribute only */ |
| 139 | INET_DIAG_SKV6ONLY, |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 140 | INET_DIAG_LOCALS, |
| 141 | INET_DIAG_PEERS, |
| 142 | INET_DIAG_PAD, |
Christopher Ferris | 3318540 | 2017-01-13 13:28:52 -0800 | [diff] [blame] | 143 | INET_DIAG_MARK, |
| 144 | INET_DIAG_BBRINFO, |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 145 | __INET_DIAG_MAX, |
Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 146 | }; |
| 147 | |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 148 | #define INET_DIAG_MAX (__INET_DIAG_MAX - 1) |
Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 149 | |
| 150 | /* INET_DIAG_MEM */ |
| 151 | |
| 152 | struct inet_diag_meminfo { |
| 153 | __u32 idiag_rmem; |
| 154 | __u32 idiag_wmem; |
| 155 | __u32 idiag_fmem; |
| 156 | __u32 idiag_tmem; |
| 157 | }; |
| 158 | |
| 159 | /* INET_DIAG_VEGASINFO */ |
| 160 | |
| 161 | struct tcpvegas_info { |
| 162 | __u32 tcpv_enabled; |
| 163 | __u32 tcpv_rttcnt; |
| 164 | __u32 tcpv_rtt; |
| 165 | __u32 tcpv_minrtt; |
| 166 | }; |
| 167 | |
Christopher Ferris | 7c0b639 | 2015-01-23 15:34:26 -0800 | [diff] [blame] | 168 | /* INET_DIAG_DCTCPINFO */ |
| 169 | |
| 170 | struct tcp_dctcp_info { |
| 171 | __u16 dctcp_enabled; |
| 172 | __u16 dctcp_ce_state; |
| 173 | __u32 dctcp_alpha; |
| 174 | __u32 dctcp_ab_ecn; |
| 175 | __u32 dctcp_ab_tot; |
| 176 | }; |
Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 177 | |
Christopher Ferris | 3318540 | 2017-01-13 13:28:52 -0800 | [diff] [blame] | 178 | /* INET_DIAG_BBRINFO */ |
| 179 | |
| 180 | struct tcp_bbr_info { |
| 181 | /* u64 bw: max-filtered BW (app throughput) estimate in Byte per sec: */ |
| 182 | __u32 bbr_bw_lo; /* lower 32 bits of bw */ |
| 183 | __u32 bbr_bw_hi; /* upper 32 bits of bw */ |
| 184 | __u32 bbr_min_rtt; /* min-filtered RTT in uSec */ |
| 185 | __u32 bbr_pacing_gain; /* pacing gain shifted left 8 bits */ |
| 186 | __u32 bbr_cwnd_gain; /* cwnd gain shifted left 8 bits */ |
| 187 | }; |
| 188 | |
Christopher Ferris | 12e1f28 | 2016-02-04 12:35:07 -0800 | [diff] [blame] | 189 | union tcp_cc_info { |
| 190 | struct tcpvegas_info vegas; |
| 191 | struct tcp_dctcp_info dctcp; |
Christopher Ferris | 3318540 | 2017-01-13 13:28:52 -0800 | [diff] [blame] | 192 | struct tcp_bbr_info bbr; |
Christopher Ferris | 12e1f28 | 2016-02-04 12:35:07 -0800 | [diff] [blame] | 193 | }; |
Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 194 | #endif /* _UAPI_INET_DIAG_H_ */ |