86 	struct fr_data *fr = ch->LINE_privdata;  in fr_keepalive_send()  local
99 	fr_packet[0] = (fr->dlci & (1024 - 15)) >> 2;  in fr_keepalive_send()
100 	fr_packet[1] = (fr->dlci & 15) << 4 | 1;	// EA bit 1  in fr_keepalive_send()
110 	fr_packet[11] = ++fr->local_cnt;  in fr_keepalive_send()
111 	fr_packet[12] = fr->remote_cnt;  in fr_keepalive_send()
122 	struct fr_data *fr = ch->LINE_privdata;  in fr_keepalive_timerfun()  local
129 		if (fr->keepalivecnt == MAXALIVECNT) {  in fr_keepalive_timerfun()
148 		if (fr->keepalivecnt <= MAXALIVECNT) {  in fr_keepalive_timerfun()
149 			++fr->keepalivecnt;  in fr_keepalive_timerfun()
153 	mod_timer(&fr->keepa_timer, jiffies + HZ * fr->keepa_freq);  in fr_keepalive_timerfun()
160 	struct fr_data *fr = ch->LINE_privdata;  in fr_rx_lmi()  local
166 	if (dlci != fr->dlci || nlpid != NLPID_Q933_LMI || !fr->keepa_freq) {  in fr_rx_lmi()
170 	fr->remote_cnt = skb->data[7];  in fr_rx_lmi()
171 	if (skb->data[8] == fr->local_cnt) { // keepalive UP!  in fr_rx_lmi()
172 		fr->keepalivecnt = 0;  in fr_rx_lmi()
199 	struct fr_data *fr = ch->LINE_privdata;  in fr_set_keepalive()  local
201 	if (!keepa && fr->keepa_freq) { // switch off  in fr_set_keepalive()
202 		fr->keepa_freq = 0;  in fr_set_keepalive()
206 			del_timer(&fr->keepa_timer);  in fr_set_keepalive()
212 		if(fr->keepa_freq && (ch->line_status & LINE_UP)) {  in fr_set_keepalive()
213 			del_timer(&fr->keepa_timer);  in fr_set_keepalive()
215 		fr->keepa_freq = keepa;  in fr_set_keepalive()
216 		fr->local_cnt = fr->remote_cnt = 0;  in fr_set_keepalive()
217 		fr->keepa_timer.expires = jiffies + HZ;  in fr_set_keepalive()
218 		fr->keepa_timer.function = fr_keepalive_timerfun;  in fr_set_keepalive()
219 		fr->keepa_timer.data = (unsigned long)dev;  in fr_set_keepalive()
224 			add_timer(&fr->keepa_timer);  in fr_set_keepalive()
327 	struct fr_data *fr = ch->LINE_privdata;  in fr_status()  local
334 		if (!fr->keepa_freq) {  in fr_status()
341 	if (dev == fr->master && fr->keepa_freq) {  in fr_status()
343 			fr->keepa_timer.expires = jiffies + HZ;  in fr_status()
344 			add_timer(&fr->keepa_timer);  in fr_status()
345 			fr->keepalivecnt = MAXALIVECNT + 1;  in fr_status()
346 			fr->keeploopcnt = 0;  in fr_status()
348 			del_timer(&fr->keepa_timer);  in fr_status()
377 	struct fr_data *fr = ch->LINE_privdata;  in fr_open()  local
391 	if (!fr->master) {  in fr_open()
394 	mch = fr->master->priv;  in fr_open()
395 	if (fr->master != dev && (!(mch->init_status & LINE_OPEN)   in fr_open()
398 			"unable to open %s\n", fr->master->name, dev->name);  in fr_open()
406 	if (fr->master == dev) {  in fr_open()
407 		if (fr->keepa_freq) {  in fr_open()
408 			fr->keepa_timer.function = fr_keepalive_timerfun;  in fr_open()
409 			fr->keepa_timer.data = (unsigned long)dev;  in fr_open()
410 			add_timer(&fr->keepa_timer);  in fr_open()
419 		if(fr->master->flags & IFF_RUNNING) {  in fr_open()
438 	struct fr_data *fr = ch->LINE_privdata;  in fr_close()  local
441 	if (fr->master == dev) { // Ha master   in fr_close()
451 		if (fr->keepa_freq) {  in fr_close()
452 			del_timer(&fr->keepa_timer);  in fr_close()
488 	struct fr_data *fr = ch->LINE_privdata;  in fr_xmit()  local
493 	if (!fr->master) {  in fr_xmit()
498 	mch = fr->master->priv;  in fr_xmit()
505 	if (dev != fr->master) {  in fr_xmit()
509 		newskb->dev=fr->master;  in fr_xmit()
547 	struct fr_data *fr = ch->LINE_privdata;  in fr_header()  local
551 	skb->data[0] = (fr->dlci & (1024 - 15)) >> 2;  in fr_header()
552 	skb->data[1] = (fr->dlci & 15) << 4 | 1;	// EA bit 1  in fr_header()
562 	struct fr_data *fr = ch->LINE_privdata;  in fr_statistics()  local
565 	if (fr->master == dev) {  in fr_statistics()
587 		if (fr->keepa_freq) {  in fr_statistics()
589 				"status %s [%d]\n", fr->keepa_freq,   in fr_statistics()
592 				fr->keepalivecnt);  in fr_statistics()
600 			fr->master ? fr->master->name : "(not set)");  in fr_statistics()
611 	struct fr_data *fr = NULL;  in fr_read_proc()  local
615 		fr = ch->LINE_privdata;  in fr_read_proc()
619 		len = sprintf(page, "%04d\n", fr->dlci);  in fr_read_proc()
621 		len = sprintf(page, "%-9s\n", fr->master ? fr->master->name :  in fr_read_proc()
624 		len = fr->keepa_freq ? sprintf(page, "% 3d\n", fr->keepa_freq)   in fr_read_proc()
647 	struct fr_data *fr = NULL;   in fr_write_proc()  local
651 		fr = ch->LINE_privdata;  in fr_write_proc()
669 		else fr->dlci = dlci_new;  in fr_write_proc()
678 				if(fr->master)  in fr_write_proc()
679 					dev_put(fr->master);  in fr_write_proc()
680 				fr->master = new_master;  in fr_write_proc()
697 			if (fr->keepa_freq && keepa_new != fr->keepa_freq) {  in fr_write_proc()
717 	struct fr_data *fr = ch->LINE_privdata;  in fr_exit()  local
724 	if (fr->master && fr->master == dev) {  in fr_exit()
754 	if (fr->master != dev) { // if not master, remove dlci  in fr_exit()
755 		if(fr->master)  in fr_exit()
756 			dev_put(fr->master);  in fr_exit()
760 		if (fr->keepa_freq) {  in fr_exit()
767 	kfree(fr);  in fr_exit()
777 	struct fr_data *fr;  in fr_master_init()  local
780 	if ((fr = ch->LINE_privdata = kmalloc(sizeof(struct fr_data),   in fr_master_init()
784 	memset(fr, 0, sizeof(struct fr_data));  in fr_master_init()
785 	fr->master = dev;	// this means master  in fr_master_init()
786 	fr->dlci = 0;		// let's say default  in fr_master_init()
831 	kfree(fr);  in fr_master_init()
838 	struct fr_data *fr;  in fr_slave_init()  local
841 	if ((fr = ch->LINE_privdata = kmalloc(sizeof(struct fr_data),   in fr_slave_init()
845 	memset(fr, 0, sizeof(struct fr_data));  in fr_slave_init()
888 	kfree(fr);  in fr_slave_init()
915 	struct fr_data *fr = ch->LINE_privdata;  in dlci_txe()  local
917 	if (!fr->master) {  in dlci_txe()
921 	ch = fr->master->priv;  in dlci_txe()
922 	fr = ch->LINE_privdata;  in dlci_txe()
923 	return ch->HW_txe(fr->master);  in dlci_txe()