net/rose/af_rose.c

40 #include <net/rose.h>
169 		struct rose_sock *rose = rose_sk(s);
171 		if (rose->neighbour == neigh) {
173 			rose->neighbour->use--;
174 			rose->neighbour = NULL;
186 	struct rose_sock *rose;
195 		rose = rose_sk(sk);
196 		if (rose->device == dev) {
209 		rose = rose_sk(sk);
212 		if (rose->device == dev) {
214 			if (rose->neighbour)
215 				rose->neighbour->use--;
216 			netdev_put(rose->device, &rose->dev_tracker);
217 			rose->device = NULL;
276 		struct rose_sock *rose = rose_sk(s);
278 		if (!rosecmp(&rose->source_addr, addr) &&
279 		    !ax25cmp(&rose->source_call, call) &&
280 		    !rose->source_ndigis && s->sk_state == TCP_LISTEN)
285 		struct rose_sock *rose = rose_sk(s);
287 		if (!rosecmp(&rose->source_addr, addr) &&
288 		    !ax25cmp(&rose->source_call, &null_ax25_address) &&
307 		struct rose_sock *rose = rose_sk(s);
309 		if (rose->lci == lci && rose->neighbour == neigh)
399 	struct rose_sock *rose = rose_sk(sk);
413 		rose->defer = opt ? 1 : 0;
419 		rose->t1 = opt * HZ;
425 		rose->t2 = opt * HZ;
431 		rose->t3 = opt * HZ;
437 		rose->hb = opt * HZ;
443 		rose->idle = opt * 60 * HZ;
447 		rose->qbitincl = opt ? 1 : 0;
459 	struct rose_sock *rose = rose_sk(sk);
474 		val = rose->defer;
478 		val = rose->t1 / HZ;
482 		val = rose->t2 / HZ;
486 		val = rose->t3 / HZ;
490 		val = rose->hb / HZ;
494 		val = rose->idle / (60 * HZ);
498 		val = rose->qbitincl;
524 		struct rose_sock *rose = rose_sk(sk);
526 		rose->dest_ndigis = 0;
527 		memset(&rose->dest_addr, 0, ROSE_ADDR_LEN);
528 		memset(&rose->dest_call, 0, AX25_ADDR_LEN);
529 		memset(rose->dest_digis, 0, AX25_ADDR_LEN * ROSE_MAX_DIGIS);
550 	struct rose_sock *rose;
562 	rose = rose_sk(sk);
566 	skb_queue_head_init(&rose->ack_queue);
568 	skb_queue_head_init(&rose->frag_queue);
569 	rose->fraglen    = 0;
575 	timer_setup(&rose->timer, NULL, 0);
576 	timer_setup(&rose->idletimer, NULL, 0);
578 	rose->t1   = msecs_to_jiffies(sysctl_rose_call_request_timeout);
579 	rose->t2   = msecs_to_jiffies(sysctl_rose_reset_request_timeout);
580 	rose->t3   = msecs_to_jiffies(sysctl_rose_clear_request_timeout);
581 	rose->hb   = msecs_to_jiffies(sysctl_rose_ack_hold_back_timeout);
582 	rose->idle = msecs_to_jiffies(sysctl_rose_no_activity_timeout);
584 	rose->state = ROSE_STATE_0;
592 	struct rose_sock *rose, *orose;
601 	rose = rose_sk(sk);
605 	skb_queue_head_init(&rose->ack_queue);
607 	skb_queue_head_init(&rose->frag_queue);
608 	rose->fraglen  = 0;
619 	timer_setup(&rose->timer, NULL, 0);
620 	timer_setup(&rose->idletimer, NULL, 0);
623 	rose->t1	= orose->t1;
624 	rose->t2	= orose->t2;
625 	rose->t3	= orose->t3;
626 	rose->hb	= orose->hb;
627 	rose->idle	= orose->idle;
628 	rose->defer	= orose->defer;
629 	rose->device	= orose->device;
630 	if (rose->device)
631 		netdev_hold(rose->device, &rose->dev_tracker, GFP_ATOMIC);
632 	rose->qbitincl	= orose->qbitincl;
640 	struct rose_sock *rose;
647 	rose = rose_sk(sk);
649 	switch (rose->state) {
658 		rose->neighbour->use--;
673 		rose->state  = ROSE_STATE_2;
686 	netdev_put(rose->device, &rose->dev_tracker);
687 	rose->device = NULL;
699 	struct rose_sock *rose = rose_sk(sk);
728 		rose->source_call = user->call;
735 		rose->source_call   = *source;
738 	rose->source_addr   = addr->srose_addr;
739 	rose->device        = dev;
740 	netdev_tracker_alloc(rose->device, &rose->dev_tracker, GFP_KERNEL);
741 	rose->source_ndigis = addr->srose_ndigis;
746 			rose->source_digis[n] = full_addr->srose_digis[n];
748 		if (rose->source_ndigis == 1) {
749 			rose->source_digis[0] = addr->srose_digi;
763 	struct rose_sock *rose = rose_sk(sk);
782 	if ((rose->source_ndigis + addr->srose_ndigis) > ROSE_MAX_DIGIS)
808 	rose->neighbour = rose_get_neigh(&addr->srose_addr, &cause,
810 	if (!rose->neighbour) {
815 	rose->lci = rose_new_lci(rose->neighbour);
816 	if (!rose->lci) {
839 		memcpy(&rose->source_addr, dev->dev_addr, ROSE_ADDR_LEN);
840 		rose->source_call = user->call;
841 		rose->device      = dev;
842 		netdev_tracker_alloc(rose->device, &rose->dev_tracker,
848 	rose->dest_addr   = addr->srose_addr;
849 	rose->dest_call   = addr->srose_call;
850 	rose->rand        = ((long)rose & 0xFFFF) + rose->lci;
851 	rose->dest_ndigis = addr->srose_ndigis;
856 			rose->dest_digis[n] = full_addr->srose_digis[n];
858 		if (rose->dest_ndigis == 1) {
859 			rose->dest_digis[0] = addr->srose_digi;
867 	rose->state = ROSE_STATE_1;
869 	rose->neighbour->use++;
992 	struct rose_sock *rose = rose_sk(sk);
1000 		srose->srose_addr   = rose->dest_addr;
1001 		srose->srose_call   = rose->dest_call;
1002 		srose->srose_ndigis = rose->dest_ndigis;
1003 		for (n = 0; n < rose->dest_ndigis; n++)
1004 			srose->srose_digis[n] = rose->dest_digis[n];
1007 		srose->srose_addr   = rose->source_addr;
1008 		srose->srose_call   = rose->source_call;
1009 		srose->srose_ndigis = rose->source_ndigis;
1010 		for (n = 0; n < rose->source_ndigis; n++)
1011 			srose->srose_digis[n] = rose->source_digis[n];
1028 	 *	skb->data points to the rose frame start
1104 	struct rose_sock *rose = rose_sk(sk);
1123 	if (rose->neighbour == NULL || rose->device == NULL)
1131 		if (rosecmp(&rose->dest_addr, &srose.srose_addr) != 0 ||
1132 		    ax25cmp(&rose->dest_call, &srose.srose_call) != 0)
1134 		if (srose.srose_ndigis != rose->dest_ndigis)
1136 		if (srose.srose_ndigis == rose->dest_ndigis) {
1138 				if (ax25cmp(&rose->dest_digis[n],
1149 		srose.srose_addr   = rose->dest_addr;
1150 		srose.srose_call   = rose->dest_call;
1151 		srose.srose_ndigis = rose->dest_ndigis;
1152 		for (n = 0 ; n < rose->dest_ndigis ; n++)
1153 			srose.srose_digis[n] = rose->dest_digis[n];
1185 	if (rose->qbitincl) {
1196 	asmptr[0] = ((rose->lci >> 8) & 0x0F) | ROSE_GFI;
1197 	asmptr[1] = (rose->lci >> 0) & 0xFF;
1269 	struct rose_sock *rose = rose_sk(sk);
1291 	if (rose->qbitincl) {
1314 		srose->srose_addr   = rose->dest_addr;
1315 		srose->srose_call   = rose->dest_call;
1316 		srose->srose_ndigis = rose->dest_ndigis;
1317 		for (n = 0 ; n < rose->dest_ndigis ; n++)
1318 			full_srose->srose_digis[n] = rose->dest_digis[n];
1331 	struct rose_sock *rose = rose_sk(sk);
1376 		rose_cause.cause      = rose->cause;
1377 		rose_cause.diagnostic = rose->diagnostic;
1385 		rose->cause      = rose_cause.cause;
1386 		rose->diagnostic = rose_cause.diagnostic;
1405 		if (rose->state == ROSE_STATE_5) {
1408 			rose->condition = 0x00;
1409 			rose->vs        = 0;
1410 			rose->va        = 0;
1411 			rose->vr        = 0;
1412 			rose->vl        = 0;
1413 			rose->state     = ROSE_STATE_3;
1453 		struct rose_sock *rose = rose_sk(s);
1455 		const struct net_device *dev = rose->device;
1463 			   rose2asc(rsbuf, &rose->dest_addr),
1464 			   ax2asc(buf, &rose->dest_call));
1466 		if (ax25cmp(&rose->source_call, &null_ax25_address) == 0)
1469 			callsign = ax2asc(buf, &rose->source_call);
1473 			rose2asc(rsbuf, &rose->source_addr),
1476 			rose->lci & 0x0FFF,
1477 			(rose->neighbour) ? rose->neighbour->number : 0,
1478 			rose->state,
1479 			rose->vs,
1480 			rose->vr,
1481 			rose->va,
1482 			ax25_display_timer(&rose->timer) / HZ,
1483 			rose->t1 / HZ,
1484 			rose->t2 / HZ,
1485 			rose->t3 / HZ,
1486 			rose->hb / HZ,
1487 			ax25_display_timer(&rose->idletimer) / (60 * HZ),
1488 			rose->idle / (60 * HZ),
1576 		sprintf(name, "rose%d", i);
1606 	proc_create_seq("rose", 0444, init_net.proc_net, &rose_info_seqops);
1639 	remove_proc_entry("rose", init_net.proc_net);