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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", | |
17926a79 DH |
25 | }; |
26 | ||
17926a79 DH |
27 | /* |
28 | * generate a list of extant and dead calls in /proc/net/rxrpc_calls | |
29 | */ | |
30 | static void *rxrpc_call_seq_start(struct seq_file *seq, loff_t *_pos) | |
31 | { | |
8d94aa38 | 32 | rcu_read_lock(); |
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); | |
8d94aa38 | 45 | rcu_read_unlock(); |
17926a79 DH |
46 | } |
47 | ||
48 | static int rxrpc_call_seq_show(struct seq_file *seq, void *v) | |
49 | { | |
df5d8bf7 DH |
50 | struct rxrpc_local *local; |
51 | struct rxrpc_sock *rx; | |
52 | struct rxrpc_peer *peer; | |
17926a79 DH |
53 | struct rxrpc_call *call; |
54 | char lbuff[4 + 4 + 4 + 4 + 5 + 1], rbuff[4 + 4 + 4 + 4 + 5 + 1]; | |
55 | ||
60f0438a | 56 | if (v == &rxrpc_calls) { |
17926a79 DH |
57 | seq_puts(seq, |
58 | "Proto Local Remote " | |
59 | " SvID ConnID CallID End Use State Abort " | |
60 | " UserID\n"); | |
61 | return 0; | |
62 | } | |
63 | ||
64 | call = list_entry(v, struct rxrpc_call, link); | |
17926a79 | 65 | |
8d94aa38 | 66 | rx = rcu_dereference(call->socket); |
df5d8bf7 DH |
67 | if (rx) { |
68 | local = READ_ONCE(rx->local); | |
69 | if (local) | |
70 | sprintf(lbuff, "%pI4:%u", | |
71 | &local->srx.transport.sin.sin_addr, | |
72 | ntohs(local->srx.transport.sin.sin_port)); | |
73 | else | |
74 | strcpy(lbuff, "no_local"); | |
75 | } else { | |
76 | strcpy(lbuff, "no_socket"); | |
77 | } | |
17926a79 | 78 | |
df5d8bf7 DH |
79 | peer = call->peer; |
80 | if (peer) | |
f4e7da8c | 81 | sprintf(rbuff, "%pI4:%u", |
df5d8bf7 DH |
82 | &peer->srx.transport.sin.sin_addr, |
83 | ntohs(peer->srx.transport.sin.sin_port)); | |
f4e7da8c DH |
84 | else |
85 | strcpy(rbuff, "no_connection"); | |
17926a79 DH |
86 | |
87 | seq_printf(seq, | |
88 | "UDP %-22.22s %-22.22s %4x %08x %08x %s %3u" | |
89 | " %-8.8s %08x %lx\n", | |
90 | lbuff, | |
91 | rbuff, | |
f4e7da8c | 92 | call->service_id, |
0d12f8a4 DH |
93 | call->cid, |
94 | call->call_id, | |
dabe5a79 | 95 | rxrpc_is_service_call(call) ? "Svc" : "Clt", |
17926a79 DH |
96 | atomic_read(&call->usage), |
97 | rxrpc_call_states[call->state], | |
f5c17aae | 98 | call->abort_code, |
17926a79 DH |
99 | call->user_call_ID); |
100 | ||
101 | return 0; | |
102 | } | |
103 | ||
56b3d975 | 104 | static const struct seq_operations rxrpc_call_seq_ops = { |
17926a79 DH |
105 | .start = rxrpc_call_seq_start, |
106 | .next = rxrpc_call_seq_next, | |
107 | .stop = rxrpc_call_seq_stop, | |
108 | .show = rxrpc_call_seq_show, | |
109 | }; | |
110 | ||
111 | static int rxrpc_call_seq_open(struct inode *inode, struct file *file) | |
112 | { | |
113 | return seq_open(file, &rxrpc_call_seq_ops); | |
114 | } | |
115 | ||
036c2e27 | 116 | const struct file_operations rxrpc_call_seq_fops = { |
17926a79 DH |
117 | .owner = THIS_MODULE, |
118 | .open = rxrpc_call_seq_open, | |
119 | .read = seq_read, | |
120 | .llseek = seq_lseek, | |
665bba10 | 121 | .release = seq_release, |
17926a79 DH |
122 | }; |
123 | ||
124 | /* | |
125 | * generate a list of extant virtual connections in /proc/net/rxrpc_conns | |
126 | */ | |
127 | static void *rxrpc_connection_seq_start(struct seq_file *seq, loff_t *_pos) | |
128 | { | |
17926a79 | 129 | read_lock(&rxrpc_connection_lock); |
4d028b2c | 130 | return seq_list_start_head(&rxrpc_connection_proc_list, *_pos); |
17926a79 DH |
131 | } |
132 | ||
133 | static void *rxrpc_connection_seq_next(struct seq_file *seq, void *v, | |
134 | loff_t *pos) | |
135 | { | |
4d028b2c | 136 | return seq_list_next(v, &rxrpc_connection_proc_list, pos); |
17926a79 DH |
137 | } |
138 | ||
139 | static void rxrpc_connection_seq_stop(struct seq_file *seq, void *v) | |
140 | { | |
141 | read_unlock(&rxrpc_connection_lock); | |
142 | } | |
143 | ||
144 | static int rxrpc_connection_seq_show(struct seq_file *seq, void *v) | |
145 | { | |
146 | struct rxrpc_connection *conn; | |
17926a79 DH |
147 | char lbuff[4 + 4 + 4 + 4 + 5 + 1], rbuff[4 + 4 + 4 + 4 + 5 + 1]; |
148 | ||
4d028b2c | 149 | if (v == &rxrpc_connection_proc_list) { |
17926a79 DH |
150 | seq_puts(seq, |
151 | "Proto Local Remote " | |
a1399f8b | 152 | " SvID ConnID End Use State Key " |
17926a79 DH |
153 | " Serial ISerial\n" |
154 | ); | |
155 | return 0; | |
156 | } | |
157 | ||
4d028b2c | 158 | conn = list_entry(v, struct rxrpc_connection, proc_link); |
17926a79 | 159 | |
21454aaa | 160 | sprintf(lbuff, "%pI4:%u", |
85f32278 DH |
161 | &conn->params.local->srx.transport.sin.sin_addr, |
162 | ntohs(conn->params.local->srx.transport.sin.sin_port)); | |
17926a79 | 163 | |
21454aaa | 164 | sprintf(rbuff, "%pI4:%u", |
85f32278 DH |
165 | &conn->params.peer->srx.transport.sin.sin_addr, |
166 | ntohs(conn->params.peer->srx.transport.sin.sin_port)); | |
17926a79 DH |
167 | |
168 | seq_printf(seq, | |
a1399f8b | 169 | "UDP %-22.22s %-22.22s %4x %08x %s %3u" |
17926a79 DH |
170 | " %s %08x %08x %08x\n", |
171 | lbuff, | |
172 | rbuff, | |
19ffa01c DH |
173 | conn->params.service_id, |
174 | conn->proto.cid, | |
19ffa01c | 175 | rxrpc_conn_is_service(conn) ? "Svc" : "Clt", |
17926a79 DH |
176 | atomic_read(&conn->usage), |
177 | rxrpc_conn_states[conn->state], | |
19ffa01c | 178 | key_serial(conn->params.key), |
17926a79 | 179 | atomic_read(&conn->serial), |
563ea7d5 | 180 | conn->hi_serial); |
17926a79 DH |
181 | |
182 | return 0; | |
183 | } | |
184 | ||
56b3d975 | 185 | static const struct seq_operations rxrpc_connection_seq_ops = { |
17926a79 DH |
186 | .start = rxrpc_connection_seq_start, |
187 | .next = rxrpc_connection_seq_next, | |
188 | .stop = rxrpc_connection_seq_stop, | |
189 | .show = rxrpc_connection_seq_show, | |
190 | }; | |
191 | ||
192 | ||
193 | static int rxrpc_connection_seq_open(struct inode *inode, struct file *file) | |
194 | { | |
195 | return seq_open(file, &rxrpc_connection_seq_ops); | |
196 | } | |
197 | ||
036c2e27 | 198 | const struct file_operations rxrpc_connection_seq_fops = { |
17926a79 DH |
199 | .owner = THIS_MODULE, |
200 | .open = rxrpc_connection_seq_open, | |
201 | .read = seq_read, | |
202 | .llseek = seq_lseek, | |
665bba10 | 203 | .release = seq_release, |
17926a79 | 204 | }; |