Garbage collect unused (and incompletely implemented) functions:

- ipx_pcbnotify(), which is never called.
- ipx_rtchange(), which is never called, is incomplete inplemented, and
  also #ifdef notdef.
- spx_fixmtu(), which is never called, is incompletely implemented, and
  also #ifdef notdef.

sys/netipx/ipx_pcb.c

@@ -308,61 +308,6 @@ ipx_setpeeraddr(ipxp, nam)
 	*nam = sodupsockaddr((struct sockaddr *)sipx, M_NOWAIT);
 }
 
-/*
- * Pass some notification to all connections of a protocol
- * associated with address dst.  Call the
- * protocol specific routine to handle each connection.
- * Also pass an extra paramter via the ipxpcb. (which may in fact
- * be a parameter list!)
- */
-void
-ipx_pcbnotify(dst, errno, notify, param)
-	register struct ipx_addr *dst;
-	int errno;
-	void (*notify)(struct ipxpcb *);
-	long param;
-{
-	register struct ipxpcb *ipxp, *oinp;
-	int s = splimp();
-
-	for (ipxp = (&ipxpcb)->ipxp_next; ipxp != (&ipxpcb);) {
-		if (!ipx_hosteq(*dst,ipxp->ipxp_faddr)) {
-	next:
-			ipxp = ipxp->ipxp_next;
-			continue;
-		}
-		if (ipxp->ipxp_socket == 0)
-			goto next;
-		if (errno) 
-			ipxp->ipxp_socket->so_error = errno;
-		oinp = ipxp;
-		ipxp = ipxp->ipxp_next;
-		oinp->ipxp_notify_param = param;
-		(*notify)(oinp);
-	}
-	splx(s);
-}
-
-#ifdef notdef
-/*
- * After a routing change, flush old routing
- * and allocate a (hopefully) better one.
- */
-ipx_rtchange(ipxp)
-	struct ipxpcb *ipxp;
-{
-	if (ipxp->ipxp_route.ro_rt != NULL) {
-		rtfree(ipxp->ipxp_route.ro_rt);
-		ipxp->ipxp_route.ro_rt = NULL;
-		/*
-		 * A new route can be allocated the next time
-		 * output is attempted.
-		 */
-	}
-	/* SHOULD NOTIFY HIGHER-LEVEL PROTOCOLS */
-}
-#endif
-
 struct ipxpcb *
 ipx_pcblookup(faddr, lport, wildp)
 	struct ipx_addr *faddr;

sys/netipx/ipx_pcb.h

@@ -52,7 +52,6 @@ struct ipxpcb {
 	caddr_t	ipxp_pcb;		/* protocol specific stuff */
 	struct	route ipxp_route;	/* routing information */
 	struct	ipx_addr ipxp_lastdst;	/* validate cached route for dg socks*/
-	long	ipxp_notify_param;	/* extra info passed via ipx_pcbnotify*/
 	short	ipxp_flags;
 	u_char	ipxp_dpt;		/* default packet type for ipx_output */
 	u_char	ipxp_rpt;		/* last received packet type by ipx_input() */
@@ -92,8 +91,6 @@ void	ipx_pcbdetach(struct ipxpcb *ipxp);
 void	ipx_pcbdisconnect(struct ipxpcb *ipxp);
 struct ipxpcb *
 	ipx_pcblookup(struct ipx_addr *faddr, int lport, int wildp);
-void	ipx_pcbnotify(struct ipx_addr *dst, int errno,
-			   void (*notify)(struct ipxpcb *), long param);
 void	ipx_setpeeraddr(struct ipxpcb *ipxp, struct sockaddr **nam);
 void	ipx_setsockaddr(struct ipxpcb *ipxp, struct sockaddr **nam);
 #endif /* _KERNEL */

sys/netipx/spx_usrreq.c

@@ -695,56 +695,6 @@ spx_ctlinput(cmd, arg_as_sa, dummy)
 	}
 }
 
-#ifdef notdef
-int
-spx_fixmtu(ipxp)
-register struct ipxpcb *ipxp;
-{
-	register struct spxpcb *cb = (struct spxpcb *)(ipxp->ipxp_pcb);
-	register struct mbuf *m;
-	register struct spx *si;
-	struct ipx_errp *ep;
-	struct sockbuf *sb;
-	int badseq, len;
-	struct mbuf *firstbad, *m0;
-
-	if (cb != NULL) {
-		/* 
-		 * The notification that we have sent
-		 * too much is bad news -- we will
-		 * have to go through queued up so far
-		 * splitting ones which are too big and
-		 * reassigning sequence numbers and checksums.
-		 * we should then retransmit all packets from
-		 * one above the offending packet to the last one
-		 * we had sent (or our allocation)
-		 * then the offending one so that the any queued
-		 * data at our destination will be discarded.
-		 */
-		 ep = (struct ipx_errp *)ipxp->ipxp_notify_param;
-		 sb = &ipxp->ipxp_socket->so_snd;
-		 cb->s_mtu = ep->ipx_err_param;
-		 badseq = SI(&ep->ipx_err_ipx)->si_seq;
-		 for (m = sb->sb_mb; m != NULL; m = m->m_act) {
-			si = mtod(m, struct spx *);
-			if (si->si_seq == badseq)
-				break;
-		 }
-		 if (m == NULL)
-			return;
-		 firstbad = m;
-		 /*for (;;) {*/
-			/* calculate length */
-			for (m0 = m, len = 0; m != NULL; m = m->m_next)
-				len += m->m_len;
-			if (len > cb->s_mtu) {
-			}
-		/* FINISH THIS
-		} */
-	}
-}
-#endif
-
 static int
 spx_output(cb, m0)
 	register struct spxpcb *cb;