blob: ced5f07444e5df47d4c0be7e26c52833c18edf8b [file] [log] [blame]
David Howells17926a72007-04-26 15:48:28 -07001/* /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
David Howellsbba304d2016-06-27 10:32:02 +010017static 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",
David Howells17926a72007-04-26 15:48:28 -070026};
27
David Howells17926a72007-04-26 15:48:28 -070028/*
29 * generate a list of extant and dead calls in /proc/net/rxrpc_calls
30 */
31static void *rxrpc_call_seq_start(struct seq_file *seq, loff_t *_pos)
32{
David Howells17926a72007-04-26 15:48:28 -070033 read_lock(&rxrpc_call_lock);
Pavel Emelianov60f04382007-07-09 13:15:14 -070034 return seq_list_start_head(&rxrpc_calls, *_pos);
David Howells17926a72007-04-26 15:48:28 -070035}
36
37static void *rxrpc_call_seq_next(struct seq_file *seq, void *v, loff_t *pos)
38{
Pavel Emelianov60f04382007-07-09 13:15:14 -070039 return seq_list_next(v, &rxrpc_calls, pos);
David Howells17926a72007-04-26 15:48:28 -070040}
41
42static void rxrpc_call_seq_stop(struct seq_file *seq, void *v)
43{
44 read_unlock(&rxrpc_call_lock);
45}
46
47static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
48{
David Howells85f32272016-04-04 14:00:36 +010049 struct rxrpc_connection *conn;
David Howells17926a72007-04-26 15:48:28 -070050 struct rxrpc_call *call;
51 char lbuff[4 + 4 + 4 + 4 + 5 + 1], rbuff[4 + 4 + 4 + 4 + 5 + 1];
52
Pavel Emelianov60f04382007-07-09 13:15:14 -070053 if (v == &rxrpc_calls) {
David Howells17926a72007-04-26 15:48:28 -070054 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);
David Howells17926a72007-04-26 15:48:28 -070062
Harvey Harrison21454aa2008-10-31 00:54:56 -070063 sprintf(lbuff, "%pI4:%u",
David Howellsf4e7da82016-06-17 11:07:55 +010064 &call->local->srx.transport.sin.sin_addr,
65 ntohs(call->local->srx.transport.sin.sin_port));
David Howells17926a72007-04-26 15:48:28 -070066
David Howellsf4e7da82016-06-17 11:07:55 +010067 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");
David Howells17926a72007-04-26 15:48:28 -070074
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,
David Howellsf4e7da82016-06-17 11:07:55 +010080 call->service_id,
David Howells0d12f8a2016-03-04 15:53:46 +000081 call->cid,
82 call->call_id,
David Howellsf4e7da82016-06-17 11:07:55 +010083 call->in_clientflag ? "Svc" : "Clt",
David Howells17926a72007-04-26 15:48:28 -070084 atomic_read(&call->usage),
85 rxrpc_call_states[call->state],
David Howellsdc44b3a2016-04-07 17:23:30 +010086 call->remote_abort ?: call->local_abort,
David Howells17926a72007-04-26 15:48:28 -070087 call->user_call_ID);
88
89 return 0;
90}
91
Philippe De Muyter56b3d972007-07-10 23:07:31 -070092static const struct seq_operations rxrpc_call_seq_ops = {
David Howells17926a72007-04-26 15:48:28 -070093 .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
99static int rxrpc_call_seq_open(struct inode *inode, struct file *file)
100{
101 return seq_open(file, &rxrpc_call_seq_ops);
102}
103
Jan Engelhardt036c2e22008-01-30 18:55:45 -0800104const struct file_operations rxrpc_call_seq_fops = {
David Howells17926a72007-04-26 15:48:28 -0700105 .owner = THIS_MODULE,
106 .open = rxrpc_call_seq_open,
107 .read = seq_read,
108 .llseek = seq_lseek,
Pavel Emelyanov665bba12008-02-29 11:39:17 -0800109 .release = seq_release,
David Howells17926a72007-04-26 15:48:28 -0700110};
111
112/*
113 * generate a list of extant virtual connections in /proc/net/rxrpc_conns
114 */
115static void *rxrpc_connection_seq_start(struct seq_file *seq, loff_t *_pos)
116{
David Howells17926a72007-04-26 15:48:28 -0700117 read_lock(&rxrpc_connection_lock);
Pavel Emelianov60f04382007-07-09 13:15:14 -0700118 return seq_list_start_head(&rxrpc_connections, *_pos);
David Howells17926a72007-04-26 15:48:28 -0700119}
120
121static void *rxrpc_connection_seq_next(struct seq_file *seq, void *v,
122 loff_t *pos)
123{
Pavel Emelianov60f04382007-07-09 13:15:14 -0700124 return seq_list_next(v, &rxrpc_connections, pos);
David Howells17926a72007-04-26 15:48:28 -0700125}
126
127static void rxrpc_connection_seq_stop(struct seq_file *seq, void *v)
128{
129 read_unlock(&rxrpc_connection_lock);
130}
131
132static int rxrpc_connection_seq_show(struct seq_file *seq, void *v)
133{
134 struct rxrpc_connection *conn;
David Howells17926a72007-04-26 15:48:28 -0700135 char lbuff[4 + 4 + 4 + 4 + 5 + 1], rbuff[4 + 4 + 4 + 4 + 5 + 1];
136
Pavel Emelianov60f04382007-07-09 13:15:14 -0700137 if (v == &rxrpc_connections) {
David Howells17926a72007-04-26 15:48:28 -0700138 seq_puts(seq,
139 "Proto Local Remote "
David Howellsa1399f82016-06-27 14:39:44 +0100140 " SvID ConnID End Use State Key "
David Howells17926a72007-04-26 15:48:28 -0700141 " Serial ISerial\n"
142 );
143 return 0;
144 }
145
146 conn = list_entry(v, struct rxrpc_connection, link);
David Howells17926a72007-04-26 15:48:28 -0700147
Harvey Harrison21454aa2008-10-31 00:54:56 -0700148 sprintf(lbuff, "%pI4:%u",
David Howells85f32272016-04-04 14:00:36 +0100149 &conn->params.local->srx.transport.sin.sin_addr,
150 ntohs(conn->params.local->srx.transport.sin.sin_port));
David Howells17926a72007-04-26 15:48:28 -0700151
Harvey Harrison21454aa2008-10-31 00:54:56 -0700152 sprintf(rbuff, "%pI4:%u",
David Howells85f32272016-04-04 14:00:36 +0100153 &conn->params.peer->srx.transport.sin.sin_addr,
154 ntohs(conn->params.peer->srx.transport.sin.sin_port));
David Howells17926a72007-04-26 15:48:28 -0700155
156 seq_printf(seq,
David Howellsa1399f82016-06-27 14:39:44 +0100157 "UDP %-22.22s %-22.22s %4x %08x %s %3u"
David Howells17926a72007-04-26 15:48:28 -0700158 " %s %08x %08x %08x\n",
159 lbuff,
160 rbuff,
David Howells19ffa012016-04-04 14:00:36 +0100161 conn->params.service_id,
162 conn->proto.cid,
David Howells19ffa012016-04-04 14:00:36 +0100163 rxrpc_conn_is_service(conn) ? "Svc" : "Clt",
David Howells17926a72007-04-26 15:48:28 -0700164 atomic_read(&conn->usage),
165 rxrpc_conn_states[conn->state],
David Howells19ffa012016-04-04 14:00:36 +0100166 key_serial(conn->params.key),
David Howells17926a72007-04-26 15:48:28 -0700167 atomic_read(&conn->serial),
168 atomic_read(&conn->hi_serial));
169
170 return 0;
171}
172
Philippe De Muyter56b3d972007-07-10 23:07:31 -0700173static const struct seq_operations rxrpc_connection_seq_ops = {
David Howells17926a72007-04-26 15:48:28 -0700174 .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
181static int rxrpc_connection_seq_open(struct inode *inode, struct file *file)
182{
183 return seq_open(file, &rxrpc_connection_seq_ops);
184}
185
Jan Engelhardt036c2e22008-01-30 18:55:45 -0800186const struct file_operations rxrpc_connection_seq_fops = {
David Howells17926a72007-04-26 15:48:28 -0700187 .owner = THIS_MODULE,
188 .open = rxrpc_connection_seq_open,
189 .read = seq_read,
190 .llseek = seq_lseek,
Pavel Emelyanov665bba12008-02-29 11:39:17 -0800191 .release = seq_release,
David Howells17926a72007-04-26 15:48:28 -0700192};