1 /*	tp_output.c	1.3	82/10/09	*/
2 
3 #include "../h/param.h"
4 #include "../h/systm.h"
5 #include "../h/mbuf.h"
6 #include "../h/protosw.h"
7 #include "../h/socket.h"
8 #include "../net/if.h"
9 #include "../netdecnet/tp.h"
10 #include "../netdecnet/tp_var.h"
11 
12 /*
13  * Transport output routine.  Fill in the
14  * transport header and pass it off to the
15  * interface.
16  */
tp_output(m,dstnode)17 tp_output(m, dstnode)
18 	register struct mbuf *m;
19 	u_short dstnode;
20 {
21 	register struct tprh *t;
22 
23 	if (tpstate != TPS_RUN)
24 		return (1);
25 	if (dstnode > tprp.tprp_nn)		/* node number out of range? */
26 		return (1);
27 	m->m_off -= sizeof (struct tprh);
28 	m->m_len += sizeof (struct tprh);
29 	t = mtod(m, struct tprh *);
30 	t->tprh_rtflg = TP_RH;
31 	AD_SHORT(t->tprh_srcnode, tp_host);
32 	AD_SHORT(t->tprh_dstnode, dstnode);
33 	t->tprh_forward = 0;
34 	return ((*tpifp->if_output)(tpifp, m, PF_DECNET));
35 }
36