ia64/linux-2.6.18-xen.hg

view net/ax25/ax25_timer.c @ 673:3161879fdf22

[IA64] xencomm: support XENMEM_add_to_physmap and XENMEM_remove_from_phsymap

support XENMEM_add_to_physmap and XENMEM_remove_from_phsymap.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
author Isaku Yamahata <yamahata@valinux.co.jp>
date Tue Sep 16 21:26:15 2008 +0900 (2008-09-16)
parents 831230e53067
children
line source
1 /*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
6 *
7 * Copyright (C) Alan Cox GW4PTS (alan@lxorguk.ukuu.org.uk)
8 * Copyright (C) Jonathan Naylor G4KLX (g4klx@g4klx.demon.co.uk)
9 * Copyright (C) Tomi Manninen OH2BNS (oh2bns@sral.fi)
10 * Copyright (C) Darryl Miles G7LED (dlm@g7led.demon.co.uk)
11 * Copyright (C) Joerg Reuter DL1BKE (jreuter@yaina.de)
12 * Copyright (C) Frederic Rible F1OAT (frible@teaser.fr)
13 * Copyright (C) 2002 Ralf Baechle DO1GRB (ralf@gnu.org)
14 */
15 #include <linux/errno.h>
16 #include <linux/types.h>
17 #include <linux/socket.h>
18 #include <linux/in.h>
19 #include <linux/kernel.h>
20 #include <linux/module.h>
21 #include <linux/jiffies.h>
22 #include <linux/timer.h>
23 #include <linux/string.h>
24 #include <linux/sockios.h>
25 #include <linux/net.h>
26 #include <net/ax25.h>
27 #include <linux/inet.h>
28 #include <linux/netdevice.h>
29 #include <linux/skbuff.h>
30 #include <net/sock.h>
31 #include <asm/uaccess.h>
32 #include <asm/system.h>
33 #include <linux/fcntl.h>
34 #include <linux/mm.h>
35 #include <linux/interrupt.h>
37 static void ax25_heartbeat_expiry(unsigned long);
38 static void ax25_t1timer_expiry(unsigned long);
39 static void ax25_t2timer_expiry(unsigned long);
40 static void ax25_t3timer_expiry(unsigned long);
41 static void ax25_idletimer_expiry(unsigned long);
43 void ax25_start_heartbeat(ax25_cb *ax25)
44 {
45 del_timer(&ax25->timer);
47 ax25->timer.data = (unsigned long)ax25;
48 ax25->timer.function = &ax25_heartbeat_expiry;
49 ax25->timer.expires = jiffies + 5 * HZ;
51 add_timer(&ax25->timer);
52 }
54 void ax25_start_t1timer(ax25_cb *ax25)
55 {
56 del_timer(&ax25->t1timer);
58 ax25->t1timer.data = (unsigned long)ax25;
59 ax25->t1timer.function = &ax25_t1timer_expiry;
60 ax25->t1timer.expires = jiffies + ax25->t1;
62 add_timer(&ax25->t1timer);
63 }
65 void ax25_start_t2timer(ax25_cb *ax25)
66 {
67 del_timer(&ax25->t2timer);
69 ax25->t2timer.data = (unsigned long)ax25;
70 ax25->t2timer.function = &ax25_t2timer_expiry;
71 ax25->t2timer.expires = jiffies + ax25->t2;
73 add_timer(&ax25->t2timer);
74 }
76 void ax25_start_t3timer(ax25_cb *ax25)
77 {
78 del_timer(&ax25->t3timer);
80 if (ax25->t3 > 0) {
81 ax25->t3timer.data = (unsigned long)ax25;
82 ax25->t3timer.function = &ax25_t3timer_expiry;
83 ax25->t3timer.expires = jiffies + ax25->t3;
85 add_timer(&ax25->t3timer);
86 }
87 }
89 void ax25_start_idletimer(ax25_cb *ax25)
90 {
91 del_timer(&ax25->idletimer);
93 if (ax25->idle > 0) {
94 ax25->idletimer.data = (unsigned long)ax25;
95 ax25->idletimer.function = &ax25_idletimer_expiry;
96 ax25->idletimer.expires = jiffies + ax25->idle;
98 add_timer(&ax25->idletimer);
99 }
100 }
102 void ax25_stop_heartbeat(ax25_cb *ax25)
103 {
104 del_timer(&ax25->timer);
105 }
107 void ax25_stop_t1timer(ax25_cb *ax25)
108 {
109 del_timer(&ax25->t1timer);
110 }
112 void ax25_stop_t2timer(ax25_cb *ax25)
113 {
114 del_timer(&ax25->t2timer);
115 }
117 void ax25_stop_t3timer(ax25_cb *ax25)
118 {
119 del_timer(&ax25->t3timer);
120 }
122 void ax25_stop_idletimer(ax25_cb *ax25)
123 {
124 del_timer(&ax25->idletimer);
125 }
127 int ax25_t1timer_running(ax25_cb *ax25)
128 {
129 return timer_pending(&ax25->t1timer);
130 }
132 unsigned long ax25_display_timer(struct timer_list *timer)
133 {
134 if (!timer_pending(timer))
135 return 0;
137 return timer->expires - jiffies;
138 }
140 EXPORT_SYMBOL(ax25_display_timer);
142 static void ax25_heartbeat_expiry(unsigned long param)
143 {
144 int proto = AX25_PROTO_STD_SIMPLEX;
145 ax25_cb *ax25 = (ax25_cb *)param;
147 if (ax25->ax25_dev)
148 proto = ax25->ax25_dev->values[AX25_VALUES_PROTOCOL];
150 switch (proto) {
151 case AX25_PROTO_STD_SIMPLEX:
152 case AX25_PROTO_STD_DUPLEX:
153 ax25_std_heartbeat_expiry(ax25);
154 break;
156 #ifdef CONFIG_AX25_DAMA_SLAVE
157 case AX25_PROTO_DAMA_SLAVE:
158 if (ax25->ax25_dev->dama.slave)
159 ax25_ds_heartbeat_expiry(ax25);
160 else
161 ax25_std_heartbeat_expiry(ax25);
162 break;
163 #endif
164 }
165 }
167 static void ax25_t1timer_expiry(unsigned long param)
168 {
169 ax25_cb *ax25 = (ax25_cb *)param;
171 switch (ax25->ax25_dev->values[AX25_VALUES_PROTOCOL]) {
172 case AX25_PROTO_STD_SIMPLEX:
173 case AX25_PROTO_STD_DUPLEX:
174 ax25_std_t1timer_expiry(ax25);
175 break;
177 #ifdef CONFIG_AX25_DAMA_SLAVE
178 case AX25_PROTO_DAMA_SLAVE:
179 if (!ax25->ax25_dev->dama.slave)
180 ax25_std_t1timer_expiry(ax25);
181 break;
182 #endif
183 }
184 }
186 static void ax25_t2timer_expiry(unsigned long param)
187 {
188 ax25_cb *ax25 = (ax25_cb *)param;
190 switch (ax25->ax25_dev->values[AX25_VALUES_PROTOCOL]) {
191 case AX25_PROTO_STD_SIMPLEX:
192 case AX25_PROTO_STD_DUPLEX:
193 ax25_std_t2timer_expiry(ax25);
194 break;
196 #ifdef CONFIG_AX25_DAMA_SLAVE
197 case AX25_PROTO_DAMA_SLAVE:
198 if (!ax25->ax25_dev->dama.slave)
199 ax25_std_t2timer_expiry(ax25);
200 break;
201 #endif
202 }
203 }
205 static void ax25_t3timer_expiry(unsigned long param)
206 {
207 ax25_cb *ax25 = (ax25_cb *)param;
209 switch (ax25->ax25_dev->values[AX25_VALUES_PROTOCOL]) {
210 case AX25_PROTO_STD_SIMPLEX:
211 case AX25_PROTO_STD_DUPLEX:
212 ax25_std_t3timer_expiry(ax25);
213 break;
215 #ifdef CONFIG_AX25_DAMA_SLAVE
216 case AX25_PROTO_DAMA_SLAVE:
217 if (ax25->ax25_dev->dama.slave)
218 ax25_ds_t3timer_expiry(ax25);
219 else
220 ax25_std_t3timer_expiry(ax25);
221 break;
222 #endif
223 }
224 }
226 static void ax25_idletimer_expiry(unsigned long param)
227 {
228 ax25_cb *ax25 = (ax25_cb *)param;
230 switch (ax25->ax25_dev->values[AX25_VALUES_PROTOCOL]) {
231 case AX25_PROTO_STD_SIMPLEX:
232 case AX25_PROTO_STD_DUPLEX:
233 ax25_std_idletimer_expiry(ax25);
234 break;
236 #ifdef CONFIG_AX25_DAMA_SLAVE
237 case AX25_PROTO_DAMA_SLAVE:
238 if (ax25->ax25_dev->dama.slave)
239 ax25_ds_idletimer_expiry(ax25);
240 else
241 ax25_std_idletimer_expiry(ax25);
242 break;
243 #endif
244 }
245 }