76 	struct sock *sk = skb->sk;  in dn_nsp_send()  local
77 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_send()
84 	dst = sk_dst_check(sk, 0);  in dn_nsp_send()
88 		dst_output(&init_net, skb->sk, skb);  in dn_nsp_send()
93 	fld.flowidn_oif = sk->sk_bound_dev_if;  in dn_nsp_send()
98 	if (dn_route_output_sock(&sk->sk_dst_cache, &fld, sk, 0) == 0) {  in dn_nsp_send()
99 		dst = sk_dst_get(sk);  in dn_nsp_send()
100 		sk->sk_route_caps = dst->dev->features;  in dn_nsp_send()
104 	sk->sk_err = EHOSTUNREACH;  in dn_nsp_send()
105 	if (!sock_flag(sk, SOCK_DEAD))  in dn_nsp_send()
106 		sk->sk_state_change(sk);  in dn_nsp_send()
118 struct sk_buff *dn_alloc_skb(struct sock *sk, int size, gfp_t pri)  in dn_alloc_skb()  argument
129 	if (sk)  in dn_alloc_skb()
130 		skb_set_owner_w(skb, sk);  in dn_alloc_skb()
142 unsigned long dn_nsp_persist(struct sock *sk)  in dn_nsp_persist()  argument
144 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_persist()
165 static void dn_nsp_rtt(struct sock *sk, long rtt)  in dn_nsp_rtt()  argument
167 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_rtt()
222 		skb2->sk = skb->sk;  in dn_nsp_clone_and_send()
238 void dn_nsp_output(struct sock *sk)  in dn_nsp_output()  argument
240 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_output()
274 int dn_nsp_xmit_timeout(struct sock *sk)  in dn_nsp_xmit_timeout()  argument
276 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_xmit_timeout()
278 	dn_nsp_output(sk);  in dn_nsp_xmit_timeout()
282 		scp->persist = dn_nsp_persist(sk);  in dn_nsp_xmit_timeout()
301 static __le16 *dn_mk_ack_header(struct sock *sk, struct sk_buff *skb, unsigned char msgflag, int hl…  in dn_mk_ack_header()  argument
303 	struct dn_scp *scp = DN_SK(sk);  in dn_mk_ack_header()
333 static __le16 *dn_nsp_mk_data_header(struct sock *sk, struct sk_buff *skb, int oth)  in dn_nsp_mk_data_header()  argument
335 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_mk_data_header()
337 	__le16 *ptr = dn_mk_ack_header(sk, skb, cb->nsp_flags, 11, oth);  in dn_nsp_mk_data_header()
351 void dn_nsp_queue_xmit(struct sock *sk, struct sk_buff *skb,  in dn_nsp_queue_xmit()  argument
354 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_queue_xmit()
359 	dn_nsp_mk_data_header(sk, skb, oth);  in dn_nsp_queue_xmit()
380 int dn_nsp_check_xmit_queue(struct sock *sk, struct sk_buff *skb, struct sk_buff_head *q, unsigned …  in dn_nsp_check_xmit_queue()  argument
383 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_check_xmit_queue()
431 				dn_nsp_rtt(sk, (long)(pkttime - reftime));  in dn_nsp_check_xmit_queue()
448 		dn_nsp_output(sk);  in dn_nsp_check_xmit_queue()
453 void dn_nsp_send_data_ack(struct sock *sk)  in dn_nsp_send_data_ack()  argument
457 	if ((skb = dn_alloc_skb(sk, 9, GFP_ATOMIC)) == NULL)  in dn_nsp_send_data_ack()
461 	dn_mk_ack_header(sk, skb, 0x04, 9, 0);  in dn_nsp_send_data_ack()
465 void dn_nsp_send_oth_ack(struct sock *sk)  in dn_nsp_send_oth_ack()  argument
469 	if ((skb = dn_alloc_skb(sk, 9, GFP_ATOMIC)) == NULL)  in dn_nsp_send_oth_ack()
473 	dn_mk_ack_header(sk, skb, 0x14, 9, 1);  in dn_nsp_send_oth_ack()
478 void dn_send_conn_ack (struct sock *sk)  in dn_send_conn_ack()  argument
480 	struct dn_scp *scp = DN_SK(sk);  in dn_send_conn_ack()
484 	if ((skb = dn_alloc_skb(sk, 3, sk->sk_allocation)) == NULL)  in dn_send_conn_ack()
494 void dn_nsp_delayed_ack(struct sock *sk)  in dn_nsp_delayed_ack()  argument
496 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_delayed_ack()
499 		dn_nsp_send_oth_ack(sk);  in dn_nsp_delayed_ack()
502 		dn_nsp_send_data_ack(sk);  in dn_nsp_delayed_ack()
505 static int dn_nsp_retrans_conn_conf(struct sock *sk)  in dn_nsp_retrans_conn_conf()  argument
507 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_retrans_conn_conf()
510 		dn_send_conn_conf(sk, GFP_ATOMIC);  in dn_nsp_retrans_conn_conf()
515 void dn_send_conn_conf(struct sock *sk, gfp_t gfp)  in dn_send_conn_conf()  argument
517 	struct dn_scp *scp = DN_SK(sk);  in dn_send_conn_conf()
522 	if ((skb = dn_alloc_skb(sk, 50 + len, gfp)) == NULL)  in dn_send_conn_conf()
541 	scp->persist = dn_nsp_persist(sk);  in dn_send_conn_conf()
546 static __inline__ void dn_nsp_do_disc(struct sock *sk, unsigned char msgflg,  in dn_nsp_do_disc()  argument
561 	if ((skb = dn_alloc_skb(sk, size, gfp)) == NULL)  in dn_nsp_do_disc()
585 	dst_output(&init_net, skb->sk, skb);  in dn_nsp_do_disc()
589 void dn_nsp_send_disc(struct sock *sk, unsigned char msgflg,  in dn_nsp_send_disc()  argument
592 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_send_disc()
601 	dn_nsp_do_disc(sk, msgflg, reason, gfp, __sk_dst_get(sk), ddl,  in dn_nsp_send_disc()
618 void dn_nsp_send_link(struct sock *sk, unsigned char lsflags, char fcval)  in dn_nsp_send_link()  argument
620 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_send_link()
625 	if ((skb = dn_alloc_skb(sk, DN_MAX_NSP_DATA_HEADER + 2, gfp)) == NULL)  in dn_nsp_send_link()
634 	dn_nsp_queue_xmit(sk, skb, gfp, 1);  in dn_nsp_send_link()
636 	scp->persist = dn_nsp_persist(sk);  in dn_nsp_send_link()
640 static int dn_nsp_retrans_conninit(struct sock *sk)  in dn_nsp_retrans_conninit()  argument
642 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_retrans_conninit()
645 		dn_nsp_send_conninit(sk, NSP_RCI);  in dn_nsp_retrans_conninit()
650 void dn_nsp_send_conninit(struct sock *sk, unsigned char msgflg)  in dn_nsp_send_conninit()  argument
652 	struct dn_scp *scp = DN_SK(sk);  in dn_nsp_send_conninit()
658 	gfp_t allocation = (msgflg == NSP_CI) ? sk->sk_allocation : GFP_ATOMIC;  in dn_nsp_send_conninit()
659 	struct sk_buff *skb = dn_alloc_skb(sk, 200, allocation);  in dn_nsp_send_conninit()
711 	scp->persist = dn_nsp_persist(sk);  in dn_nsp_send_conninit()