x86, vmlinux.lds: unify .text output sections
[linux-2.6/verdex.git] / net / llc / llc_proc.c
blobd208b3396d94e417546a143c4c7a1d09f9e95f3b
1 /*
2 * proc_llc.c - proc interface for LLC
4 * Copyright (c) 2001 by Jay Schulist <jschlst@samba.org>
5 * 2002-2003 by Arnaldo Carvalho de Melo <acme@conectiva.com.br>
7 * This program can be redistributed or modified under the terms of the
8 * GNU General Public License as published by the Free Software Foundation.
9 * This program is distributed without any warranty or implied warranty
10 * of merchantability or fitness for a particular purpose.
12 * See the GNU General Public License for more details.
15 #include <linux/init.h>
16 #include <linux/kernel.h>
17 #include <linux/proc_fs.h>
18 #include <linux/errno.h>
19 #include <linux/seq_file.h>
20 #include <net/net_namespace.h>
21 #include <net/sock.h>
22 #include <net/llc.h>
23 #include <net/llc_c_ac.h>
24 #include <net/llc_c_ev.h>
25 #include <net/llc_c_st.h>
26 #include <net/llc_conn.h>
28 static void llc_ui_format_mac(struct seq_file *seq, u8 *addr)
30 seq_printf(seq, "%pM", addr);
33 static struct sock *llc_get_sk_idx(loff_t pos)
35 struct list_head *sap_entry;
36 struct llc_sap *sap;
37 struct hlist_node *node;
38 struct sock *sk = NULL;
40 list_for_each(sap_entry, &llc_sap_list) {
41 sap = list_entry(sap_entry, struct llc_sap, node);
43 read_lock_bh(&sap->sk_list.lock);
44 sk_for_each(sk, node, &sap->sk_list.list) {
45 if (!pos)
46 goto found;
47 --pos;
49 read_unlock_bh(&sap->sk_list.lock);
51 sk = NULL;
52 found:
53 return sk;
56 static void *llc_seq_start(struct seq_file *seq, loff_t *pos)
58 loff_t l = *pos;
60 read_lock_bh(&llc_sap_list_lock);
61 return l ? llc_get_sk_idx(--l) : SEQ_START_TOKEN;
64 static void *llc_seq_next(struct seq_file *seq, void *v, loff_t *pos)
66 struct sock* sk, *next;
67 struct llc_sock *llc;
68 struct llc_sap *sap;
70 ++*pos;
71 if (v == SEQ_START_TOKEN) {
72 sk = llc_get_sk_idx(0);
73 goto out;
75 sk = v;
76 next = sk_next(sk);
77 if (next) {
78 sk = next;
79 goto out;
81 llc = llc_sk(sk);
82 sap = llc->sap;
83 read_unlock_bh(&sap->sk_list.lock);
84 sk = NULL;
85 for (;;) {
86 if (sap->node.next == &llc_sap_list)
87 break;
88 sap = list_entry(sap->node.next, struct llc_sap, node);
89 read_lock_bh(&sap->sk_list.lock);
90 if (!hlist_empty(&sap->sk_list.list)) {
91 sk = sk_head(&sap->sk_list.list);
92 break;
94 read_unlock_bh(&sap->sk_list.lock);
96 out:
97 return sk;
100 static void llc_seq_stop(struct seq_file *seq, void *v)
102 if (v && v != SEQ_START_TOKEN) {
103 struct sock *sk = v;
104 struct llc_sock *llc = llc_sk(sk);
105 struct llc_sap *sap = llc->sap;
107 read_unlock_bh(&sap->sk_list.lock);
109 read_unlock_bh(&llc_sap_list_lock);
112 static int llc_seq_socket_show(struct seq_file *seq, void *v)
114 struct sock* sk;
115 struct llc_sock *llc;
117 if (v == SEQ_START_TOKEN) {
118 seq_puts(seq, "SKt Mc local_mac_sap remote_mac_sap "
119 " tx_queue rx_queue st uid link\n");
120 goto out;
122 sk = v;
123 llc = llc_sk(sk);
125 /* FIXME: check if the address is multicast */
126 seq_printf(seq, "%2X %2X ", sk->sk_type, 0);
128 if (llc->dev)
129 llc_ui_format_mac(seq, llc->dev->dev_addr);
130 else {
131 u8 addr[6] = {0,0,0,0,0,0};
132 llc_ui_format_mac(seq, addr);
134 seq_printf(seq, "@%02X ", llc->sap->laddr.lsap);
135 llc_ui_format_mac(seq, llc->daddr.mac);
136 seq_printf(seq, "@%02X %8d %8d %2d %3d %4d\n", llc->daddr.lsap,
137 atomic_read(&sk->sk_wmem_alloc),
138 atomic_read(&sk->sk_rmem_alloc) - llc->copied_seq,
139 sk->sk_state,
140 sk->sk_socket ? SOCK_INODE(sk->sk_socket)->i_uid : -1,
141 llc->link);
142 out:
143 return 0;
146 static char *llc_conn_state_names[] = {
147 [LLC_CONN_STATE_ADM] = "adm",
148 [LLC_CONN_STATE_SETUP] = "setup",
149 [LLC_CONN_STATE_NORMAL] = "normal",
150 [LLC_CONN_STATE_BUSY] = "busy",
151 [LLC_CONN_STATE_REJ] = "rej",
152 [LLC_CONN_STATE_AWAIT] = "await",
153 [LLC_CONN_STATE_AWAIT_BUSY] = "await_busy",
154 [LLC_CONN_STATE_AWAIT_REJ] = "await_rej",
155 [LLC_CONN_STATE_D_CONN] = "d_conn",
156 [LLC_CONN_STATE_RESET] = "reset",
157 [LLC_CONN_STATE_ERROR] = "error",
158 [LLC_CONN_STATE_TEMP] = "temp",
161 static int llc_seq_core_show(struct seq_file *seq, void *v)
163 struct sock* sk;
164 struct llc_sock *llc;
166 if (v == SEQ_START_TOKEN) {
167 seq_puts(seq, "Connection list:\n"
168 "dsap state retr txw rxw pf ff sf df rs cs "
169 "tack tpfc trs tbs blog busr\n");
170 goto out;
172 sk = v;
173 llc = llc_sk(sk);
175 seq_printf(seq, " %02X %-10s %3d %3d %3d %2d %2d %2d %2d %2d %2d "
176 "%4d %4d %3d %3d %4d %4d\n",
177 llc->daddr.lsap, llc_conn_state_names[llc->state],
178 llc->retry_count, llc->k, llc->rw, llc->p_flag, llc->f_flag,
179 llc->s_flag, llc->data_flag, llc->remote_busy_flag,
180 llc->cause_flag, timer_pending(&llc->ack_timer.timer),
181 timer_pending(&llc->pf_cycle_timer.timer),
182 timer_pending(&llc->rej_sent_timer.timer),
183 timer_pending(&llc->busy_state_timer.timer),
184 !!sk->sk_backlog.tail, !!sock_owned_by_user(sk));
185 out:
186 return 0;
189 static const struct seq_operations llc_seq_socket_ops = {
190 .start = llc_seq_start,
191 .next = llc_seq_next,
192 .stop = llc_seq_stop,
193 .show = llc_seq_socket_show,
196 static const struct seq_operations llc_seq_core_ops = {
197 .start = llc_seq_start,
198 .next = llc_seq_next,
199 .stop = llc_seq_stop,
200 .show = llc_seq_core_show,
203 static int llc_seq_socket_open(struct inode *inode, struct file *file)
205 return seq_open(file, &llc_seq_socket_ops);
208 static int llc_seq_core_open(struct inode *inode, struct file *file)
210 return seq_open(file, &llc_seq_core_ops);
213 static const struct file_operations llc_seq_socket_fops = {
214 .owner = THIS_MODULE,
215 .open = llc_seq_socket_open,
216 .read = seq_read,
217 .llseek = seq_lseek,
218 .release = seq_release,
221 static const struct file_operations llc_seq_core_fops = {
222 .owner = THIS_MODULE,
223 .open = llc_seq_core_open,
224 .read = seq_read,
225 .llseek = seq_lseek,
226 .release = seq_release,
229 static struct proc_dir_entry *llc_proc_dir;
231 int __init llc_proc_init(void)
233 int rc = -ENOMEM;
234 struct proc_dir_entry *p;
236 llc_proc_dir = proc_mkdir("llc", init_net.proc_net);
237 if (!llc_proc_dir)
238 goto out;
240 p = proc_create("socket", S_IRUGO, llc_proc_dir, &llc_seq_socket_fops);
241 if (!p)
242 goto out_socket;
244 p = proc_create("core", S_IRUGO, llc_proc_dir, &llc_seq_core_fops);
245 if (!p)
246 goto out_core;
248 rc = 0;
249 out:
250 return rc;
251 out_core:
252 remove_proc_entry("socket", llc_proc_dir);
253 out_socket:
254 remove_proc_entry("llc", init_net.proc_net);
255 goto out;
258 void llc_proc_exit(void)
260 remove_proc_entry("socket", llc_proc_dir);
261 remove_proc_entry("core", llc_proc_dir);
262 remove_proc_entry("llc", init_net.proc_net);