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()
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()
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()
325 	ptr = dn_mk_common_header(scp, skb, msgflag, hlen);  in dn_mk_ack_header()
335 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_mk_data_header()  local
340 		cb->segnum = scp->numoth;  in dn_nsp_mk_data_header()
341 		seq_add(&scp->numoth, 1);  in dn_nsp_mk_data_header()
343 		cb->segnum = scp->numdat;  in dn_nsp_mk_data_header()
344 		seq_add(&scp->numdat, 1);  in dn_nsp_mk_data_header()
354 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_queue_xmit()  local
356 	unsigned long t = ((scp->nsp_srtt >> 2) + scp->nsp_rttvar) >> 1;  in dn_nsp_queue_xmit()
365 	if ((jiffies - scp->stamp) > t)  in dn_nsp_queue_xmit()
366 		scp->snd_window = NSP_MIN_WINDOW;  in dn_nsp_queue_xmit()
369 		skb_queue_tail(&scp->other_xmit_queue, skb);  in dn_nsp_queue_xmit()
371 		skb_queue_tail(&scp->data_xmit_queue, skb);  in dn_nsp_queue_xmit()
373 	if (scp->flowrem_sw != DN_SEND)  in dn_nsp_queue_xmit()
383 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_check_xmit_queue()  local
433 			if (scp->snd_window < scp->max_window)  in dn_nsp_check_xmit_queue()
434 				scp->snd_window++;  in dn_nsp_check_xmit_queue()
480 	struct dn_scp *scp = DN_SK(sk);  in dn_send_conn_ack()  local
489 	msg->dstaddr = scp->addrrem;  in dn_send_conn_ack()
496 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_delayed_ack()  local
498 	if (scp->ackxmt_oth != scp->numoth_rcv)  in dn_nsp_delayed_ack()
501 	if (scp->ackxmt_dat != scp->numdat_rcv)  in dn_nsp_delayed_ack()
507 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_retrans_conn_conf()  local
509 	if (scp->state == DN_CC)  in dn_nsp_retrans_conn_conf()
517 	struct dn_scp *scp = DN_SK(sk);  in dn_send_conn_conf()  local
520 	__u8 len = (__u8)le16_to_cpu(scp->conndata_out.opt_optl);  in dn_send_conn_conf()
527 	msg->dstaddr = scp->addrrem;  in dn_send_conn_conf()
528 	msg->srcaddr = scp->addrloc;  in dn_send_conn_conf()
529 	msg->services = scp->services_loc;  in dn_send_conn_conf()
530 	msg->info = scp->info_loc;  in dn_send_conn_conf()
531 	msg->segsize = cpu_to_le16(scp->segsize_loc);  in dn_send_conn_conf()
536 		memcpy(skb_put(skb, len), scp->conndata_out.opt_data, len);  in dn_send_conn_conf()
541 	scp->persist = dn_nsp_persist(sk);  in dn_send_conn_conf()
542 	scp->persist_fxn = dn_nsp_retrans_conn_conf;  in dn_send_conn_conf()
592 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_send_disc()  local
596 		ddl = le16_to_cpu(scp->discdata_out.opt_optl);  in dn_nsp_send_disc()
599 		reason = le16_to_cpu(scp->discdata_out.opt_status);  in dn_nsp_send_disc()
602 		scp->discdata_out.opt_data, scp->addrrem, scp->addrloc);  in dn_nsp_send_disc()
620 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_send_link()  local
636 	scp->persist = dn_nsp_persist(sk);  in dn_nsp_send_link()
637 	scp->persist_fxn = dn_nsp_xmit_timeout;  in dn_nsp_send_link()
642 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_retrans_conninit()  local
644 	if (scp->state == DN_CI)  in dn_nsp_retrans_conninit()
652 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_send_conninit()  local
670 	msg->srcaddr	= scp->addrloc;  in dn_nsp_send_conninit()
671 	msg->services	= scp->services_loc;	/* Requested flow control    */  in dn_nsp_send_conninit()
672 	msg->info	= scp->info_loc;	/* Version Number            */  in dn_nsp_send_conninit()
673 	msg->segsize	= cpu_to_le16(scp->segsize_loc);	/* Max segment size  */  in dn_nsp_send_conninit()
675 	if (scp->peer.sdn_objnum)  in dn_nsp_send_conninit()
678 	skb_put(skb, dn_sockaddr2username(&scp->peer,  in dn_nsp_send_conninit()
680 	skb_put(skb, dn_sockaddr2username(&scp->addr,  in dn_nsp_send_conninit()
684 	if (scp->peer.sdn_flags & SDF_PROXY)  in dn_nsp_send_conninit()
686 	if (scp->peer.sdn_flags & SDF_UICPROXY)  in dn_nsp_send_conninit()
691 	aux = scp->accessdata.acc_userl;  in dn_nsp_send_conninit()
694 		memcpy(skb_put(skb, aux), scp->accessdata.acc_user, aux);  in dn_nsp_send_conninit()
696 	aux = scp->accessdata.acc_passl;  in dn_nsp_send_conninit()
699 		memcpy(skb_put(skb, aux), scp->accessdata.acc_pass, aux);  in dn_nsp_send_conninit()
701 	aux = scp->accessdata.acc_accl;  in dn_nsp_send_conninit()
704 		memcpy(skb_put(skb, aux), scp->accessdata.acc_acc, aux);  in dn_nsp_send_conninit()
706 	aux = (__u8)le16_to_cpu(scp->conndata_out.opt_optl);  in dn_nsp_send_conninit()
709 		memcpy(skb_put(skb, aux), scp->conndata_out.opt_data, aux);  in dn_nsp_send_conninit()
711 	scp->persist = dn_nsp_persist(sk);  in dn_nsp_send_conninit()
712 	scp->persist_fxn = dn_nsp_retrans_conninit;  in dn_nsp_send_conninit()