1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
2 | #ifndef _UAPI_INET_DIAG_H_ |
3 | #define _UAPI_INET_DIAG_H_ |
4 | |
5 | #include <linux/types.h> |
6 | |
7 | /* Just some random number */ |
8 | #define TCPDIAG_GETSOCK 18 |
9 | #define DCCPDIAG_GETSOCK 19 |
10 | |
11 | #define INET_DIAG_GETSOCK_MAX 24 |
12 | |
13 | /* Socket identity */ |
14 | struct inet_diag_sockid { |
15 | __be16 idiag_sport; |
16 | __be16 idiag_dport; |
17 | __be32 idiag_src[4]; |
18 | __be32 idiag_dst[4]; |
19 | __u32 idiag_if; |
20 | __u32 idiag_cookie[2]; |
21 | #define INET_DIAG_NOCOOKIE (~0U) |
22 | }; |
23 | |
24 | /* Request structure */ |
25 | |
26 | struct inet_diag_req { |
27 | __u8 idiag_family; /* Family of addresses. */ |
28 | __u8 idiag_src_len; |
29 | __u8 idiag_dst_len; |
30 | __u8 idiag_ext; /* Query extended information */ |
31 | |
32 | struct inet_diag_sockid id; |
33 | |
34 | __u32 idiag_states; /* States to dump */ |
35 | __u32 idiag_dbs; /* Tables to dump (NI) */ |
36 | }; |
37 | |
38 | struct inet_diag_req_v2 { |
39 | __u8 sdiag_family; |
40 | __u8 sdiag_protocol; |
41 | __u8 idiag_ext; |
42 | __u8 pad; |
43 | __u32 idiag_states; |
44 | struct inet_diag_sockid id; |
45 | }; |
46 | |
47 | /* |
48 | * SOCK_RAW sockets require the underlied protocol to be |
49 | * additionally specified so we can use @pad member for |
50 | * this, but we can't rename it because userspace programs |
51 | * still may depend on this name. Instead lets use another |
52 | * structure definition as an alias for struct |
53 | * @inet_diag_req_v2. |
54 | */ |
55 | struct inet_diag_req_raw { |
56 | __u8 sdiag_family; |
57 | __u8 sdiag_protocol; |
58 | __u8 idiag_ext; |
59 | __u8 sdiag_raw_protocol; |
60 | __u32 idiag_states; |
61 | struct inet_diag_sockid id; |
62 | }; |
63 | |
64 | enum { |
65 | INET_DIAG_REQ_NONE, |
66 | INET_DIAG_REQ_BYTECODE, |
67 | INET_DIAG_REQ_SK_BPF_STORAGES, |
68 | INET_DIAG_REQ_PROTOCOL, |
69 | __INET_DIAG_REQ_MAX, |
70 | }; |
71 | |
72 | #define INET_DIAG_REQ_MAX (__INET_DIAG_REQ_MAX - 1) |
73 | |
74 | /* Bytecode is sequence of 4 byte commands followed by variable arguments. |
75 | * All the commands identified by "code" are conditional jumps forward: |
76 | * to offset cc+"yes" or to offset cc+"no". "yes" is supposed to be |
77 | * length of the command and its arguments. |
78 | */ |
79 | |
80 | struct inet_diag_bc_op { |
81 | unsigned char code; |
82 | unsigned char yes; |
83 | unsigned short no; |
84 | }; |
85 | |
86 | enum { |
87 | INET_DIAG_BC_NOP, |
88 | INET_DIAG_BC_JMP, |
89 | INET_DIAG_BC_S_GE, |
90 | INET_DIAG_BC_S_LE, |
91 | INET_DIAG_BC_D_GE, |
92 | INET_DIAG_BC_D_LE, |
93 | INET_DIAG_BC_AUTO, |
94 | INET_DIAG_BC_S_COND, |
95 | INET_DIAG_BC_D_COND, |
96 | INET_DIAG_BC_DEV_COND, /* u32 ifindex */ |
97 | INET_DIAG_BC_MARK_COND, |
98 | INET_DIAG_BC_S_EQ, |
99 | INET_DIAG_BC_D_EQ, |
100 | INET_DIAG_BC_CGROUP_COND, /* u64 cgroup v2 ID */ |
101 | }; |
102 | |
103 | struct inet_diag_hostcond { |
104 | __u8 family; |
105 | __u8 prefix_len; |
106 | int port; |
107 | __be32 addr[]; |
108 | }; |
109 | |
110 | struct inet_diag_markcond { |
111 | __u32 mark; |
112 | __u32 mask; |
113 | }; |
114 | |
115 | /* Base info structure. It contains socket identity (addrs/ports/cookie) |
116 | * and, alas, the information shown by netstat. */ |
117 | struct inet_diag_msg { |
118 | __u8 idiag_family; |
119 | __u8 idiag_state; |
120 | __u8 idiag_timer; |
121 | __u8 idiag_retrans; |
122 | |
123 | struct inet_diag_sockid id; |
124 | |
125 | __u32 idiag_expires; |
126 | __u32 idiag_rqueue; |
127 | __u32 idiag_wqueue; |
128 | __u32 idiag_uid; |
129 | __u32 idiag_inode; |
130 | }; |
131 | |
132 | /* Extensions */ |
133 | |
134 | enum { |
135 | INET_DIAG_NONE, |
136 | INET_DIAG_MEMINFO, |
137 | INET_DIAG_INFO, |
138 | INET_DIAG_VEGASINFO, |
139 | INET_DIAG_CONG, |
140 | INET_DIAG_TOS, |
141 | INET_DIAG_TCLASS, |
142 | INET_DIAG_SKMEMINFO, |
143 | INET_DIAG_SHUTDOWN, |
144 | |
145 | /* |
146 | * Next extenstions cannot be requested in struct inet_diag_req_v2: |
147 | * its field idiag_ext has only 8 bits. |
148 | */ |
149 | |
150 | INET_DIAG_DCTCPINFO, /* request as INET_DIAG_VEGASINFO */ |
151 | INET_DIAG_PROTOCOL, /* response attribute only */ |
152 | INET_DIAG_SKV6ONLY, |
153 | INET_DIAG_LOCALS, |
154 | INET_DIAG_PEERS, |
155 | INET_DIAG_PAD, |
156 | INET_DIAG_MARK, /* only with CAP_NET_ADMIN */ |
157 | INET_DIAG_BBRINFO, /* request as INET_DIAG_VEGASINFO */ |
158 | INET_DIAG_CLASS_ID, /* request as INET_DIAG_TCLASS */ |
159 | INET_DIAG_MD5SIG, |
160 | INET_DIAG_ULP_INFO, |
161 | INET_DIAG_SK_BPF_STORAGES, |
162 | INET_DIAG_CGROUP_ID, |
163 | INET_DIAG_SOCKOPT, |
164 | __INET_DIAG_MAX, |
165 | }; |
166 | |
167 | #define INET_DIAG_MAX (__INET_DIAG_MAX - 1) |
168 | |
169 | enum { |
170 | INET_ULP_INFO_UNSPEC, |
171 | INET_ULP_INFO_NAME, |
172 | INET_ULP_INFO_TLS, |
173 | INET_ULP_INFO_MPTCP, |
174 | __INET_ULP_INFO_MAX, |
175 | }; |
176 | #define INET_ULP_INFO_MAX (__INET_ULP_INFO_MAX - 1) |
177 | |
178 | /* INET_DIAG_MEM */ |
179 | |
180 | struct inet_diag_meminfo { |
181 | __u32 idiag_rmem; |
182 | __u32 idiag_wmem; |
183 | __u32 idiag_fmem; |
184 | __u32 idiag_tmem; |
185 | }; |
186 | |
187 | /* INET_DIAG_SOCKOPT */ |
188 | |
189 | struct inet_diag_sockopt { |
190 | __u8 recverr:1, |
191 | is_icsk:1, |
192 | freebind:1, |
193 | hdrincl:1, |
194 | mc_loop:1, |
195 | transparent:1, |
196 | mc_all:1, |
197 | nodefrag:1; |
198 | __u8 bind_address_no_port:1, |
199 | recverr_rfc4884:1, |
200 | defer_connect:1, |
201 | unused:5; |
202 | }; |
203 | |
204 | /* INET_DIAG_VEGASINFO */ |
205 | |
206 | struct tcpvegas_info { |
207 | __u32 tcpv_enabled; |
208 | __u32 tcpv_rttcnt; |
209 | __u32 tcpv_rtt; |
210 | __u32 tcpv_minrtt; |
211 | }; |
212 | |
213 | /* INET_DIAG_DCTCPINFO */ |
214 | |
215 | struct tcp_dctcp_info { |
216 | __u16 dctcp_enabled; |
217 | __u16 dctcp_ce_state; |
218 | __u32 dctcp_alpha; |
219 | __u32 dctcp_ab_ecn; |
220 | __u32 dctcp_ab_tot; |
221 | }; |
222 | |
223 | /* INET_DIAG_BBRINFO */ |
224 | |
225 | struct tcp_bbr_info { |
226 | /* u64 bw: max-filtered BW (app throughput) estimate in Byte per sec: */ |
227 | __u32 bbr_bw_lo; /* lower 32 bits of bw */ |
228 | __u32 bbr_bw_hi; /* upper 32 bits of bw */ |
229 | __u32 bbr_min_rtt; /* min-filtered RTT in uSec */ |
230 | __u32 bbr_pacing_gain; /* pacing gain shifted left 8 bits */ |
231 | __u32 bbr_cwnd_gain; /* cwnd gain shifted left 8 bits */ |
232 | }; |
233 | |
234 | union tcp_cc_info { |
235 | struct tcpvegas_info vegas; |
236 | struct tcp_dctcp_info dctcp; |
237 | struct tcp_bbr_info bbr; |
238 | }; |
239 | #endif /* _UAPI_INET_DIAG_H_ */ |
240 | |