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17926a79 DH |
1 | /* /proc/net/ support for AF_RXRPC |
2 | * | |
3 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. | |
4 | * Written by David Howells (dhowells@redhat.com) | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version | |
9 | * 2 of the License, or (at your option) any later version. | |
10 | */ | |
11 | ||
12 | #include <linux/module.h> | |
13 | #include <net/sock.h> | |
14 | #include <net/af_rxrpc.h> | |
15 | #include "ar-internal.h" | |
16 | ||
bba304db DH |
17 | static const char *const rxrpc_conn_states[RXRPC_CONN__NR_STATES] = { |
18 | [RXRPC_CONN_UNUSED] = "Unused ", | |
19 | [RXRPC_CONN_CLIENT] = "Client ", | |
20 | [RXRPC_CONN_SERVICE_UNSECURED] = "SvUnsec ", | |
21 | [RXRPC_CONN_SERVICE_CHALLENGING] = "SvChall ", | |
22 | [RXRPC_CONN_SERVICE] = "SvSecure", | |
23 | [RXRPC_CONN_REMOTELY_ABORTED] = "RmtAbort", | |
24 | [RXRPC_CONN_LOCALLY_ABORTED] = "LocAbort", | |
25 | [RXRPC_CONN_NETWORK_ERROR] = "NetError", | |
17926a79 DH |
26 | }; |
27 | ||
17926a79 DH |
28 | /* |
29 | * generate a list of extant and dead calls in /proc/net/rxrpc_calls | |
30 | */ | |
31 | static void *rxrpc_call_seq_start(struct seq_file *seq, loff_t *_pos) | |
32 | { | |
17926a79 | 33 | read_lock(&rxrpc_call_lock); |
60f0438a | 34 | return seq_list_start_head(&rxrpc_calls, *_pos); |
17926a79 DH |
35 | } |
36 | ||
37 | static void *rxrpc_call_seq_next(struct seq_file *seq, void *v, loff_t *pos) | |
38 | { | |
60f0438a | 39 | return seq_list_next(v, &rxrpc_calls, pos); |
17926a79 DH |
40 | } |
41 | ||
42 | static void rxrpc_call_seq_stop(struct seq_file *seq, void *v) | |
43 | { | |
44 | read_unlock(&rxrpc_call_lock); | |
45 | } | |
46 | ||
47 | static int rxrpc_call_seq_show(struct seq_file *seq, void *v) | |
48 | { | |
85f32278 | 49 | struct rxrpc_connection *conn; |
17926a79 DH |
50 | struct rxrpc_call *call; |
51 | char lbuff[4 + 4 + 4 + 4 + 5 + 1], rbuff[4 + 4 + 4 + 4 + 5 + 1]; | |
52 | ||
60f0438a | 53 | if (v == &rxrpc_calls) { |
17926a79 DH |
54 | seq_puts(seq, |
55 | "Proto Local Remote " | |
56 | " SvID ConnID CallID End Use State Abort " | |
57 | " UserID\n"); | |
58 | return 0; | |
59 | } | |
60 | ||
61 | call = list_entry(v, struct rxrpc_call, link); | |
17926a79 | 62 | |
21454aaa | 63 | sprintf(lbuff, "%pI4:%u", |
f4e7da8c DH |
64 | &call->local->srx.transport.sin.sin_addr, |
65 | ntohs(call->local->srx.transport.sin.sin_port)); | |
17926a79 | 66 | |
f4e7da8c DH |
67 | conn = call->conn; |
68 | if (conn) | |
69 | sprintf(rbuff, "%pI4:%u", | |
70 | &conn->params.peer->srx.transport.sin.sin_addr, | |
71 | ntohs(conn->params.peer->srx.transport.sin.sin_port)); | |
72 | else | |
73 | strcpy(rbuff, "no_connection"); | |
17926a79 DH |
74 | |
75 | seq_printf(seq, | |
76 | "UDP %-22.22s %-22.22s %4x %08x %08x %s %3u" | |
77 | " %-8.8s %08x %lx\n", | |
78 | lbuff, | |
79 | rbuff, | |
f4e7da8c | 80 | call->service_id, |
0d12f8a4 DH |
81 | call->cid, |
82 | call->call_id, | |
f4e7da8c | 83 | call->in_clientflag ? "Svc" : "Clt", |
17926a79 DH |
84 | atomic_read(&call->usage), |
85 | rxrpc_call_states[call->state], | |
dc44b3a0 | 86 | call->remote_abort ?: call->local_abort, |
17926a79 DH |
87 | call->user_call_ID); |
88 | ||
89 | return 0; | |
90 | } | |
91 | ||
56b3d975 | 92 | static const struct seq_operations rxrpc_call_seq_ops = { |
17926a79 DH |
93 | .start = rxrpc_call_seq_start, |
94 | .next = rxrpc_call_seq_next, | |
95 | .stop = rxrpc_call_seq_stop, | |
96 | .show = rxrpc_call_seq_show, | |
97 | }; | |
98 | ||
99 | static int rxrpc_call_seq_open(struct inode *inode, struct file *file) | |
100 | { | |
101 | return seq_open(file, &rxrpc_call_seq_ops); | |
102 | } | |
103 | ||
036c2e27 | 104 | const struct file_operations rxrpc_call_seq_fops = { |
17926a79 DH |
105 | .owner = THIS_MODULE, |
106 | .open = rxrpc_call_seq_open, | |
107 | .read = seq_read, | |
108 | .llseek = seq_lseek, | |
665bba10 | 109 | .release = seq_release, |
17926a79 DH |
110 | }; |
111 | ||
112 | /* | |
113 | * generate a list of extant virtual connections in /proc/net/rxrpc_conns | |
114 | */ | |
115 | static void *rxrpc_connection_seq_start(struct seq_file *seq, loff_t *_pos) | |
116 | { | |
17926a79 | 117 | read_lock(&rxrpc_connection_lock); |
60f0438a | 118 | return seq_list_start_head(&rxrpc_connections, *_pos); |
17926a79 DH |
119 | } |
120 | ||
121 | static void *rxrpc_connection_seq_next(struct seq_file *seq, void *v, | |
122 | loff_t *pos) | |
123 | { | |
60f0438a | 124 | return seq_list_next(v, &rxrpc_connections, pos); |
17926a79 DH |
125 | } |
126 | ||
127 | static void rxrpc_connection_seq_stop(struct seq_file *seq, void *v) | |
128 | { | |
129 | read_unlock(&rxrpc_connection_lock); | |
130 | } | |
131 | ||
132 | static int rxrpc_connection_seq_show(struct seq_file *seq, void *v) | |
133 | { | |
134 | struct rxrpc_connection *conn; | |
17926a79 DH |
135 | char lbuff[4 + 4 + 4 + 4 + 5 + 1], rbuff[4 + 4 + 4 + 4 + 5 + 1]; |
136 | ||
60f0438a | 137 | if (v == &rxrpc_connections) { |
17926a79 DH |
138 | seq_puts(seq, |
139 | "Proto Local Remote " | |
a1399f8b | 140 | " SvID ConnID End Use State Key " |
17926a79 DH |
141 | " Serial ISerial\n" |
142 | ); | |
143 | return 0; | |
144 | } | |
145 | ||
146 | conn = list_entry(v, struct rxrpc_connection, link); | |
17926a79 | 147 | |
21454aaa | 148 | sprintf(lbuff, "%pI4:%u", |
85f32278 DH |
149 | &conn->params.local->srx.transport.sin.sin_addr, |
150 | ntohs(conn->params.local->srx.transport.sin.sin_port)); | |
17926a79 | 151 | |
21454aaa | 152 | sprintf(rbuff, "%pI4:%u", |
85f32278 DH |
153 | &conn->params.peer->srx.transport.sin.sin_addr, |
154 | ntohs(conn->params.peer->srx.transport.sin.sin_port)); | |
17926a79 DH |
155 | |
156 | seq_printf(seq, | |
a1399f8b | 157 | "UDP %-22.22s %-22.22s %4x %08x %s %3u" |
17926a79 DH |
158 | " %s %08x %08x %08x\n", |
159 | lbuff, | |
160 | rbuff, | |
19ffa01c DH |
161 | conn->params.service_id, |
162 | conn->proto.cid, | |
19ffa01c | 163 | rxrpc_conn_is_service(conn) ? "Svc" : "Clt", |
17926a79 DH |
164 | atomic_read(&conn->usage), |
165 | rxrpc_conn_states[conn->state], | |
19ffa01c | 166 | key_serial(conn->params.key), |
17926a79 DH |
167 | atomic_read(&conn->serial), |
168 | atomic_read(&conn->hi_serial)); | |
169 | ||
170 | return 0; | |
171 | } | |
172 | ||
56b3d975 | 173 | static const struct seq_operations rxrpc_connection_seq_ops = { |
17926a79 DH |
174 | .start = rxrpc_connection_seq_start, |
175 | .next = rxrpc_connection_seq_next, | |
176 | .stop = rxrpc_connection_seq_stop, | |
177 | .show = rxrpc_connection_seq_show, | |
178 | }; | |
179 | ||
180 | ||
181 | static int rxrpc_connection_seq_open(struct inode *inode, struct file *file) | |
182 | { | |
183 | return seq_open(file, &rxrpc_connection_seq_ops); | |
184 | } | |
185 | ||
036c2e27 | 186 | const struct file_operations rxrpc_connection_seq_fops = { |
17926a79 DH |
187 | .owner = THIS_MODULE, |
188 | .open = rxrpc_connection_seq_open, | |
189 | .read = seq_read, | |
190 | .llseek = seq_lseek, | |
665bba10 | 191 | .release = seq_release, |
17926a79 | 192 | }; |