77 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_send()  local
82 	scp->stamp = jiffies;  in dn_nsp_send()
94 	fld.saddr = dn_saddr2dn(&scp->addr);  in dn_nsp_send()
95 	fld.daddr = dn_saddr2dn(&scp->peer);  in dn_nsp_send()
96 	dn_sk_ports_copy(&fld, scp);  in dn_nsp_send()
144 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_persist()  local
146 	unsigned long t = ((scp->nsp_srtt >> 2) + scp->nsp_rttvar) >> 1;  in dn_nsp_persist()
148 	t *= nsp_backoff[scp->nsp_rxtshift];  in dn_nsp_persist()
153 	if (scp->nsp_rxtshift < NSP_MAXRXTSHIFT)  in dn_nsp_persist()
154 		scp->nsp_rxtshift++;  in dn_nsp_persist()
156 	/* printk(KERN_DEBUG "rxtshift %lu, t=%lu\n", scp->nsp_rxtshift, t); */  in dn_nsp_persist()
167 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_rtt()  local
168 	long srtt = (long)scp->nsp_srtt;  in dn_nsp_rtt()
169 	long rttvar = (long)scp->nsp_rttvar;  in dn_nsp_rtt()
185 		scp->nsp_srtt = (unsigned long)srtt;  in dn_nsp_rtt()
187 		scp->nsp_srtt = 1;  in dn_nsp_rtt()
195 		scp->nsp_rttvar = (unsigned long)rttvar;  in dn_nsp_rtt()
197 		scp->nsp_rttvar = 1;  in dn_nsp_rtt()
199 	/* printk(KERN_DEBUG "srtt=%lu rttvar=%lu\n", scp->nsp_srtt, scp->nsp_rttvar); */  in dn_nsp_rtt()
240 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_output()  local
247 	if ((skb = skb_peek(&scp->other_xmit_queue)) != NULL)  in dn_nsp_output()
255 	if (reduce_win || (scp->flowrem_sw != DN_SEND))  in dn_nsp_output()
258 	if ((skb = skb_peek(&scp->data_xmit_queue)) != NULL)  in dn_nsp_output()
268 		scp->snd_window >>= 1;  in dn_nsp_output()
269 		if (scp->snd_window < NSP_MIN_WINDOW)  in dn_nsp_output()
270 			scp->snd_window = NSP_MIN_WINDOW;  in dn_nsp_output()
276 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_xmit_timeout()  local
280 	if (!skb_queue_empty(&scp->data_xmit_queue) ||  in dn_nsp_xmit_timeout()
281 	    !skb_queue_empty(&scp->other_xmit_queue))  in dn_nsp_xmit_timeout()
282 		scp->persist = dn_nsp_persist(sk);  in dn_nsp_xmit_timeout()
287 static inline __le16 *dn_mk_common_header(struct dn_scp *scp, struct sk_buff *skb, unsigned char ms…  in dn_mk_common_header()  argument
294 	*((__le16 *)ptr) = scp->addrrem;  in dn_mk_common_header()
296 	*((__le16 *)ptr) = scp->addrloc;  in dn_mk_common_header()
303 	struct dn_scp *scp = DN_SK(sk);  in dn_mk_ack_header()  local
304 	unsigned short acknum = scp->numdat_rcv & 0x0FFF;  in dn_mk_ack_header()
305 	unsigned short ackcrs = scp->numoth_rcv & 0x0FFF;  in dn_mk_ack_header()
310 	scp->ackxmt_dat = acknum;  in dn_mk_ack_header()
311 	scp->ackxmt_oth = ackcrs;  in dn_mk_ack_header()
322 	ptr = dn_mk_common_header(scp, skb, msgflag, hlen);  in dn_mk_ack_header()
332 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_mk_data_header()  local
337 		cb->segnum = scp->numoth;  in dn_nsp_mk_data_header()
338 		seq_add(&scp->numoth, 1);  in dn_nsp_mk_data_header()
340 		cb->segnum = scp->numdat;  in dn_nsp_mk_data_header()
341 		seq_add(&scp->numdat, 1);  in dn_nsp_mk_data_header()
351 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_queue_xmit()  local
353 	unsigned long t = ((scp->nsp_srtt >> 2) + scp->nsp_rttvar) >> 1;  in dn_nsp_queue_xmit()
362 	if ((jiffies - scp->stamp) > t)  in dn_nsp_queue_xmit()
363 		scp->snd_window = NSP_MIN_WINDOW;  in dn_nsp_queue_xmit()
366 		skb_queue_tail(&scp->other_xmit_queue, skb);  in dn_nsp_queue_xmit()
368 		skb_queue_tail(&scp->data_xmit_queue, skb);  in dn_nsp_queue_xmit()
370 	if (scp->flowrem_sw != DN_SEND)  in dn_nsp_queue_xmit()
380 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_check_xmit_queue()  local
430 			if (scp->snd_window < scp->max_window)  in dn_nsp_check_xmit_queue()
431 				scp->snd_window++;  in dn_nsp_check_xmit_queue()
477 	struct dn_scp *scp = DN_SK(sk);  in dn_send_conn_ack()  local
486 	msg->dstaddr = scp->addrrem;  in dn_send_conn_ack()
493 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_retrans_conn_conf()  local
495 	if (scp->state == DN_CC)  in dn_nsp_retrans_conn_conf()
503 	struct dn_scp *scp = DN_SK(sk);  in dn_send_conn_conf()  local
506 	__u8 len = (__u8)le16_to_cpu(scp->conndata_out.opt_optl);  in dn_send_conn_conf()
513 	msg->dstaddr = scp->addrrem;  in dn_send_conn_conf()
514 	msg->srcaddr = scp->addrloc;  in dn_send_conn_conf()
515 	msg->services = scp->services_loc;  in dn_send_conn_conf()
516 	msg->info = scp->info_loc;  in dn_send_conn_conf()
517 	msg->segsize = cpu_to_le16(scp->segsize_loc);  in dn_send_conn_conf()
522 		skb_put_data(skb, scp->conndata_out.opt_data, len);  in dn_send_conn_conf()
527 	scp->persist = dn_nsp_persist(sk);  in dn_send_conn_conf()
528 	scp->persist_fxn = dn_nsp_retrans_conn_conf;  in dn_send_conn_conf()
578 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_send_disc()  local
582 		ddl = le16_to_cpu(scp->discdata_out.opt_optl);  in dn_nsp_send_disc()
585 		reason = le16_to_cpu(scp->discdata_out.opt_status);  in dn_nsp_send_disc()
588 		scp->discdata_out.opt_data, scp->addrrem, scp->addrloc);  in dn_nsp_send_disc()
606 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_send_link()  local
622 	scp->persist = dn_nsp_persist(sk);  in dn_nsp_send_link()
623 	scp->persist_fxn = dn_nsp_xmit_timeout;  in dn_nsp_send_link()
628 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_retrans_conninit()  local
630 	if (scp->state == DN_CI)  in dn_nsp_retrans_conninit()
638 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_send_conninit()  local
656 	msg->srcaddr	= scp->addrloc;  in dn_nsp_send_conninit()
657 	msg->services	= scp->services_loc;	/* Requested flow control    */  in dn_nsp_send_conninit()
658 	msg->info	= scp->info_loc;	/* Version Number            */  in dn_nsp_send_conninit()
659 	msg->segsize	= cpu_to_le16(scp->segsize_loc);	/* Max segment size  */  in dn_nsp_send_conninit()
661 	if (scp->peer.sdn_objnum)  in dn_nsp_send_conninit()
664 	skb_put(skb, dn_sockaddr2username(&scp->peer,  in dn_nsp_send_conninit()
666 	skb_put(skb, dn_sockaddr2username(&scp->addr,  in dn_nsp_send_conninit()
670 	if (scp->peer.sdn_flags & SDF_PROXY)  in dn_nsp_send_conninit()
672 	if (scp->peer.sdn_flags & SDF_UICPROXY)  in dn_nsp_send_conninit()
677 	aux = scp->accessdata.acc_userl;  in dn_nsp_send_conninit()
680 		skb_put_data(skb, scp->accessdata.acc_user, aux);  in dn_nsp_send_conninit()
682 	aux = scp->accessdata.acc_passl;  in dn_nsp_send_conninit()
685 		skb_put_data(skb, scp->accessdata.acc_pass, aux);  in dn_nsp_send_conninit()
687 	aux = scp->accessdata.acc_accl;  in dn_nsp_send_conninit()
690 		skb_put_data(skb, scp->accessdata.acc_acc, aux);  in dn_nsp_send_conninit()
692 	aux = (__u8)le16_to_cpu(scp->conndata_out.opt_optl);  in dn_nsp_send_conninit()
695 		skb_put_data(skb, scp->conndata_out.opt_data, aux);  in dn_nsp_send_conninit()
697 	scp->persist = dn_nsp_persist(sk);  in dn_nsp_send_conninit()
698 	scp->persist_fxn = dn_nsp_retrans_conninit;  in dn_nsp_send_conninit()