Cross Reference: /net/ax25/ax25

Lines Matching defs:ax25
22 #include <net/ax25.h>
36 void ax25_clear_queues(ax25_cb *ax25)
38 	skb_queue_purge(&ax25->write_queue);
39 	skb_queue_purge(&ax25->ack_queue);
40 	skb_queue_purge(&ax25->reseq_queue);
41 	skb_queue_purge(&ax25->frag_queue);
49 void ax25_frames_acked(ax25_cb *ax25, unsigned short nr)
56 	if (ax25->va != nr) {
57 		while (skb_peek(&ax25->ack_queue) != NULL && ax25->va != nr) {
58 			skb = skb_dequeue(&ax25->ack_queue);
60 			ax25->va = (ax25->va + 1) % ax25->modulus;
65 void ax25_requeue_frames(ax25_cb *ax25)
74 	while ((skb = skb_dequeue_tail(&ax25->ack_queue)) != NULL)
75 		skb_queue_head(&ax25->write_queue, skb);
82 int ax25_validate_nr(ax25_cb *ax25, unsigned short nr)
84 	unsigned short vc = ax25->va;
86 	while (vc != ax25->vs) {
88 		vc = (vc + 1) % ax25->modulus;
91 	if (nr == ax25->vs) return 1;
100 int ax25_decode(ax25_cb *ax25, struct sk_buff *skb, int *ns, int *nr, int *pf)
108 	if (ax25->modulus == AX25_MODULUS) {
150 void ax25_send_control(ax25_cb *ax25, int frametype, int poll_bit, int type)
155 	if ((skb = alloc_skb(ax25->ax25_dev->dev->hard_header_len + 2, GFP_ATOMIC)) == NULL)
158 	skb_reserve(skb, ax25->ax25_dev->dev->hard_header_len);
163 	if (ax25->modulus == AX25_MODULUS) {
168 			*dptr |= (ax25->vr << 5);
177 			dptr[1] = (ax25->vr << 1);
182 	ax25_transmit_buffer(ax25, skb, type);
223 void ax25_calculate_t1(ax25_cb *ax25)
227 	switch (ax25->backoff) {
232 		t += 2 * ax25->n2count;
236 		for (n = 0; n < ax25->n2count; n++)
242 	ax25->t1 = t * ax25->rtt;
248 void ax25_calculate_rtt(ax25_cb *ax25)
250 	if (ax25->backoff == 0)
253 	if (ax25_t1timer_running(ax25) && ax25->n2count == 0)
254 		ax25->rtt = (9 * ax25->rtt + ax25->t1 - ax25_display_timer(&ax25->t1timer)) / 10;
256 	if (ax25->rtt < AX25_T1CLAMPLO)
257 		ax25->rtt = AX25_T1CLAMPLO;
259 	if (ax25->rtt > AX25_T1CLAMPHI)
260 		ax25->rtt = AX25_T1CLAMPHI;
263 void ax25_disconnect(ax25_cb *ax25, int reason)
265 	ax25_clear_queues(ax25);
267 	ax25_stop_t1timer(ax25);
268 	ax25_stop_t2timer(ax25);
269 	ax25_stop_t3timer(ax25);
270 	ax25_stop_idletimer(ax25);
272 	ax25->state = AX25_STATE_0;
274 	ax25_link_failed(ax25, reason);
276 	if (ax25->sk != NULL) {
278 		bh_lock_sock(ax25->sk);
279 		ax25->sk->sk_state     = TCP_CLOSE;
280 		ax25->sk->sk_err       = reason;
281 		ax25->sk->sk_shutdown |= SEND_SHUTDOWN;
282 		if (!sock_flag(ax25->sk, SOCK_DEAD)) {
283 			ax25->sk->sk_state_change(ax25->sk);
284 			sock_set_flag(ax25->sk, SOCK_DEAD);
286 		bh_unlock_sock(ax25->sk);