This source file includes following definitions.
- ax25_setup_timers
- ax25_start_heartbeat
- ax25_start_t1timer
- ax25_start_t2timer
- ax25_start_t3timer
- ax25_start_idletimer
- ax25_stop_heartbeat
- ax25_stop_t1timer
- ax25_stop_t2timer
- ax25_stop_t3timer
- ax25_stop_idletimer
- ax25_t1timer_running
- ax25_display_timer
- ax25_heartbeat_expiry
- ax25_t1timer_expiry
- ax25_t2timer_expiry
- ax25_t3timer_expiry
- ax25_idletimer_expiry
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12 #include <linux/errno.h>
13 #include <linux/types.h>
14 #include <linux/socket.h>
15 #include <linux/in.h>
16 #include <linux/kernel.h>
17 #include <linux/module.h>
18 #include <linux/jiffies.h>
19 #include <linux/timer.h>
20 #include <linux/string.h>
21 #include <linux/sockios.h>
22 #include <linux/net.h>
23 #include <net/ax25.h>
24 #include <linux/inet.h>
25 #include <linux/netdevice.h>
26 #include <linux/skbuff.h>
27 #include <net/sock.h>
28 #include <linux/uaccess.h>
29 #include <linux/fcntl.h>
30 #include <linux/mm.h>
31 #include <linux/interrupt.h>
32
33 static void ax25_heartbeat_expiry(struct timer_list *);
34 static void ax25_t1timer_expiry(struct timer_list *);
35 static void ax25_t2timer_expiry(struct timer_list *);
36 static void ax25_t3timer_expiry(struct timer_list *);
37 static void ax25_idletimer_expiry(struct timer_list *);
38
39 void ax25_setup_timers(ax25_cb *ax25)
40 {
41 timer_setup(&ax25->timer, ax25_heartbeat_expiry, 0);
42 timer_setup(&ax25->t1timer, ax25_t1timer_expiry, 0);
43 timer_setup(&ax25->t2timer, ax25_t2timer_expiry, 0);
44 timer_setup(&ax25->t3timer, ax25_t3timer_expiry, 0);
45 timer_setup(&ax25->idletimer, ax25_idletimer_expiry, 0);
46 }
47
48 void ax25_start_heartbeat(ax25_cb *ax25)
49 {
50 mod_timer(&ax25->timer, jiffies + 5 * HZ);
51 }
52
53 void ax25_start_t1timer(ax25_cb *ax25)
54 {
55 mod_timer(&ax25->t1timer, jiffies + ax25->t1);
56 }
57
58 void ax25_start_t2timer(ax25_cb *ax25)
59 {
60 mod_timer(&ax25->t2timer, jiffies + ax25->t2);
61 }
62
63 void ax25_start_t3timer(ax25_cb *ax25)
64 {
65 if (ax25->t3 > 0)
66 mod_timer(&ax25->t3timer, jiffies + ax25->t3);
67 else
68 del_timer(&ax25->t3timer);
69 }
70
71 void ax25_start_idletimer(ax25_cb *ax25)
72 {
73 if (ax25->idle > 0)
74 mod_timer(&ax25->idletimer, jiffies + ax25->idle);
75 else
76 del_timer(&ax25->idletimer);
77 }
78
79 void ax25_stop_heartbeat(ax25_cb *ax25)
80 {
81 del_timer(&ax25->timer);
82 }
83
84 void ax25_stop_t1timer(ax25_cb *ax25)
85 {
86 del_timer(&ax25->t1timer);
87 }
88
89 void ax25_stop_t2timer(ax25_cb *ax25)
90 {
91 del_timer(&ax25->t2timer);
92 }
93
94 void ax25_stop_t3timer(ax25_cb *ax25)
95 {
96 del_timer(&ax25->t3timer);
97 }
98
99 void ax25_stop_idletimer(ax25_cb *ax25)
100 {
101 del_timer(&ax25->idletimer);
102 }
103
104 int ax25_t1timer_running(ax25_cb *ax25)
105 {
106 return timer_pending(&ax25->t1timer);
107 }
108
109 unsigned long ax25_display_timer(struct timer_list *timer)
110 {
111 if (!timer_pending(timer))
112 return 0;
113
114 return timer->expires - jiffies;
115 }
116
117 EXPORT_SYMBOL(ax25_display_timer);
118
119 static void ax25_heartbeat_expiry(struct timer_list *t)
120 {
121 int proto = AX25_PROTO_STD_SIMPLEX;
122 ax25_cb *ax25 = from_timer(ax25, t, timer);
123
124 if (ax25->ax25_dev)
125 proto = ax25->ax25_dev->values[AX25_VALUES_PROTOCOL];
126
127 switch (proto) {
128 case AX25_PROTO_STD_SIMPLEX:
129 case AX25_PROTO_STD_DUPLEX:
130 ax25_std_heartbeat_expiry(ax25);
131 break;
132
133 #ifdef CONFIG_AX25_DAMA_SLAVE
134 case AX25_PROTO_DAMA_SLAVE:
135 if (ax25->ax25_dev->dama.slave)
136 ax25_ds_heartbeat_expiry(ax25);
137 else
138 ax25_std_heartbeat_expiry(ax25);
139 break;
140 #endif
141 }
142 }
143
144 static void ax25_t1timer_expiry(struct timer_list *t)
145 {
146 ax25_cb *ax25 = from_timer(ax25, t, t1timer);
147
148 switch (ax25->ax25_dev->values[AX25_VALUES_PROTOCOL]) {
149 case AX25_PROTO_STD_SIMPLEX:
150 case AX25_PROTO_STD_DUPLEX:
151 ax25_std_t1timer_expiry(ax25);
152 break;
153
154 #ifdef CONFIG_AX25_DAMA_SLAVE
155 case AX25_PROTO_DAMA_SLAVE:
156 if (!ax25->ax25_dev->dama.slave)
157 ax25_std_t1timer_expiry(ax25);
158 break;
159 #endif
160 }
161 }
162
163 static void ax25_t2timer_expiry(struct timer_list *t)
164 {
165 ax25_cb *ax25 = from_timer(ax25, t, t2timer);
166
167 switch (ax25->ax25_dev->values[AX25_VALUES_PROTOCOL]) {
168 case AX25_PROTO_STD_SIMPLEX:
169 case AX25_PROTO_STD_DUPLEX:
170 ax25_std_t2timer_expiry(ax25);
171 break;
172
173 #ifdef CONFIG_AX25_DAMA_SLAVE
174 case AX25_PROTO_DAMA_SLAVE:
175 if (!ax25->ax25_dev->dama.slave)
176 ax25_std_t2timer_expiry(ax25);
177 break;
178 #endif
179 }
180 }
181
182 static void ax25_t3timer_expiry(struct timer_list *t)
183 {
184 ax25_cb *ax25 = from_timer(ax25, t, t3timer);
185
186 switch (ax25->ax25_dev->values[AX25_VALUES_PROTOCOL]) {
187 case AX25_PROTO_STD_SIMPLEX:
188 case AX25_PROTO_STD_DUPLEX:
189 ax25_std_t3timer_expiry(ax25);
190 break;
191
192 #ifdef CONFIG_AX25_DAMA_SLAVE
193 case AX25_PROTO_DAMA_SLAVE:
194 if (ax25->ax25_dev->dama.slave)
195 ax25_ds_t3timer_expiry(ax25);
196 else
197 ax25_std_t3timer_expiry(ax25);
198 break;
199 #endif
200 }
201 }
202
203 static void ax25_idletimer_expiry(struct timer_list *t)
204 {
205 ax25_cb *ax25 = from_timer(ax25, t, idletimer);
206
207 switch (ax25->ax25_dev->values[AX25_VALUES_PROTOCOL]) {
208 case AX25_PROTO_STD_SIMPLEX:
209 case AX25_PROTO_STD_DUPLEX:
210 ax25_std_idletimer_expiry(ax25);
211 break;
212
213 #ifdef CONFIG_AX25_DAMA_SLAVE
214 case AX25_PROTO_DAMA_SLAVE:
215 if (ax25->ax25_dev->dama.slave)
216 ax25_ds_idletimer_expiry(ax25);
217 else
218 ax25_std_idletimer_expiry(ax25);
219 break;
220 #endif
221 }
222 }