36 void lapb_start_t1timer(struct lapb_cb *lapb)  in lapb_start_t1timer()  argument
38 	del_timer(&lapb->t1timer);  in lapb_start_t1timer()
40 	lapb->t1timer.function = lapb_t1timer_expiry;  in lapb_start_t1timer()
41 	lapb->t1timer.expires  = jiffies + lapb->t1;  in lapb_start_t1timer()
43 	lapb->t1timer_running = true;  in lapb_start_t1timer()
44 	add_timer(&lapb->t1timer);  in lapb_start_t1timer()
47 void lapb_start_t2timer(struct lapb_cb *lapb)  in lapb_start_t2timer()  argument
49 	del_timer(&lapb->t2timer);  in lapb_start_t2timer()
51 	lapb->t2timer.function = lapb_t2timer_expiry;  in lapb_start_t2timer()
52 	lapb->t2timer.expires  = jiffies + lapb->t2;  in lapb_start_t2timer()
54 	lapb->t2timer_running = true;  in lapb_start_t2timer()
55 	add_timer(&lapb->t2timer);  in lapb_start_t2timer()
58 void lapb_stop_t1timer(struct lapb_cb *lapb)  in lapb_stop_t1timer()  argument
60 	lapb->t1timer_running = false;  in lapb_stop_t1timer()
61 	del_timer(&lapb->t1timer);  in lapb_stop_t1timer()
64 void lapb_stop_t2timer(struct lapb_cb *lapb)  in lapb_stop_t2timer()  argument
66 	lapb->t2timer_running = false;  in lapb_stop_t2timer()
67 	del_timer(&lapb->t2timer);  in lapb_stop_t2timer()
70 int lapb_t1timer_running(struct lapb_cb *lapb)  in lapb_t1timer_running()  argument
72 	return lapb->t1timer_running;  in lapb_t1timer_running()
77 	struct lapb_cb *lapb = from_timer(lapb, t, t2timer);  in lapb_t2timer_expiry()  local
79 	spin_lock_bh(&lapb->lock);  in lapb_t2timer_expiry()
80 	if (timer_pending(&lapb->t2timer)) /* A new timer has been set up */  in lapb_t2timer_expiry()
82 	if (!lapb->t2timer_running) /* The timer has been stopped */  in lapb_t2timer_expiry()
85 	if (lapb->condition & LAPB_ACK_PENDING_CONDITION) {  in lapb_t2timer_expiry()
86 		lapb->condition &= ~LAPB_ACK_PENDING_CONDITION;  in lapb_t2timer_expiry()
87 		lapb_timeout_response(lapb);  in lapb_t2timer_expiry()
89 	lapb->t2timer_running = false;  in lapb_t2timer_expiry()
92 	spin_unlock_bh(&lapb->lock);  in lapb_t2timer_expiry()
97 	struct lapb_cb *lapb = from_timer(lapb, t, t1timer);  in lapb_t1timer_expiry()  local
99 	spin_lock_bh(&lapb->lock);  in lapb_t1timer_expiry()
100 	if (timer_pending(&lapb->t1timer)) /* A new timer has been set up */  in lapb_t1timer_expiry()
102 	if (!lapb->t1timer_running) /* The timer has been stopped */  in lapb_t1timer_expiry()
105 	switch (lapb->state) {  in lapb_t1timer_expiry()
112 			if (lapb->mode & LAPB_DCE &&  in lapb_t1timer_expiry()
113 			    lapb->n2count != lapb->n2) {  in lapb_t1timer_expiry()
114 				lapb->n2count++;  in lapb_t1timer_expiry()
115 				lapb_send_control(lapb, LAPB_DM, LAPB_POLLOFF, LAPB_RESPONSE);  in lapb_t1timer_expiry()
117 				lapb->state = LAPB_STATE_1;  in lapb_t1timer_expiry()
118 				lapb_establish_data_link(lapb);  in lapb_t1timer_expiry()
126 			if (lapb->n2count == lapb->n2) {  in lapb_t1timer_expiry()
127 				lapb_clear_queues(lapb);  in lapb_t1timer_expiry()
128 				lapb->state = LAPB_STATE_0;  in lapb_t1timer_expiry()
129 				lapb_disconnect_indication(lapb, LAPB_TIMEDOUT);  in lapb_t1timer_expiry()
130 				lapb_dbg(0, "(%p) S1 -> S0\n", lapb->dev);  in lapb_t1timer_expiry()
131 				lapb->t1timer_running = false;  in lapb_t1timer_expiry()
134 				lapb->n2count++;  in lapb_t1timer_expiry()
135 				if (lapb->mode & LAPB_EXTENDED) {  in lapb_t1timer_expiry()
137 						 lapb->dev);  in lapb_t1timer_expiry()
138 					lapb_send_control(lapb, LAPB_SABME, LAPB_POLLON, LAPB_COMMAND);  in lapb_t1timer_expiry()
141 						 lapb->dev);  in lapb_t1timer_expiry()
142 					lapb_send_control(lapb, LAPB_SABM, LAPB_POLLON, LAPB_COMMAND);  in lapb_t1timer_expiry()
151 			if (lapb->n2count == lapb->n2) {  in lapb_t1timer_expiry()
152 				lapb_clear_queues(lapb);  in lapb_t1timer_expiry()
153 				lapb->state = LAPB_STATE_0;  in lapb_t1timer_expiry()
154 				lapb_disconnect_confirmation(lapb, LAPB_TIMEDOUT);  in lapb_t1timer_expiry()
155 				lapb_dbg(0, "(%p) S2 -> S0\n", lapb->dev);  in lapb_t1timer_expiry()
156 				lapb->t1timer_running = false;  in lapb_t1timer_expiry()
159 				lapb->n2count++;  in lapb_t1timer_expiry()
160 				lapb_dbg(1, "(%p) S2 TX DISC(1)\n", lapb->dev);  in lapb_t1timer_expiry()
161 				lapb_send_control(lapb, LAPB_DISC, LAPB_POLLON, LAPB_COMMAND);  in lapb_t1timer_expiry()
169 			if (lapb->n2count == lapb->n2) {  in lapb_t1timer_expiry()
170 				lapb_clear_queues(lapb);  in lapb_t1timer_expiry()
171 				lapb->state = LAPB_STATE_0;  in lapb_t1timer_expiry()
172 				lapb_stop_t2timer(lapb);  in lapb_t1timer_expiry()
173 				lapb_disconnect_indication(lapb, LAPB_TIMEDOUT);  in lapb_t1timer_expiry()
174 				lapb_dbg(0, "(%p) S3 -> S0\n", lapb->dev);  in lapb_t1timer_expiry()
175 				lapb->t1timer_running = false;  in lapb_t1timer_expiry()
178 				lapb->n2count++;  in lapb_t1timer_expiry()
179 				lapb_requeue_frames(lapb);  in lapb_t1timer_expiry()
180 				lapb_kick(lapb);  in lapb_t1timer_expiry()
188 			if (lapb->n2count == lapb->n2) {  in lapb_t1timer_expiry()
189 				lapb_clear_queues(lapb);  in lapb_t1timer_expiry()
190 				lapb->state = LAPB_STATE_0;  in lapb_t1timer_expiry()
191 				lapb_disconnect_indication(lapb, LAPB_TIMEDOUT);  in lapb_t1timer_expiry()
192 				lapb_dbg(0, "(%p) S4 -> S0\n", lapb->dev);  in lapb_t1timer_expiry()
193 				lapb->t1timer_running = false;  in lapb_t1timer_expiry()
196 				lapb->n2count++;  in lapb_t1timer_expiry()
197 				lapb_transmit_frmr(lapb);  in lapb_t1timer_expiry()
202 	lapb_start_t1timer(lapb);  in lapb_t1timer_expiry()
205 	spin_unlock_bh(&lapb->lock);  in lapb_t1timer_expiry()