From 46f53156ecf41fab15843ed517c06c9ae9d5007d Mon Sep 17 00:00:00 2001
From: mickey <mickey@openbsd.org>
Date: Sun, 28 Apr 1996 14:36:59 +0000
Subject: [PATCH] IPX additions and fixes. ether -- missed the input for IPX.
 fddi -- just added. ppp -- field codes added. loop -- minor fix.

---
 sys/net/if_ethersubr.c |  9 +++++++--
 sys/net/if_fddisubr.c  | 27 +++++++++++++++++++++++++--
 sys/net/if_loop.c      |  1 +
 sys/net/ppp_defs.h     |  2 ++
 4 files changed, 35 insertions(+), 4 deletions(-)

diff --git a/sys/net/if_ethersubr.c b/sys/net/if_ethersubr.c
index dfbabc61e0b..b20dbe3e614 100644
--- a/sys/net/if_ethersubr.c
+++ b/sys/net/if_ethersubr.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_ethersubr.c,v 1.4 1996/04/19 18:12:28 mickey Exp $	*/
+/*	$OpenBSD: if_ethersubr.c,v 1.5 1996/04/28 14:36:59 mickey Exp $	*/
 /*	$NetBSD: if_ethersubr.c,v 1.18 1996/02/13 22:00:14 christos Exp $	*/
 
 /*
@@ -366,12 +366,17 @@ ether_input(ifp, eh, m)
 		revarpinput(m);	/* XXX queue? */
 		return;
 #endif
+#ifdef IPX
+	case ETHERTYPE_IPX:
+		schednetisr(NETISR_IPX);
+		inq = &ipxintrq;
+		break;
+#endif
 #ifdef NS
 	case ETHERTYPE_NS:
 		schednetisr(NETISR_NS);
 		inq = &nsintrq;
 		break;
-
 #endif
 	default:
 #if defined (ISO) || defined (LLC)
diff --git a/sys/net/if_fddisubr.c b/sys/net/if_fddisubr.c
index 4b95818097d..22b16c71e91 100644
--- a/sys/net/if_fddisubr.c
+++ b/sys/net/if_fddisubr.c
@@ -68,6 +68,11 @@
 #include <net/if_fddi.h>
 #endif
 
+#ifdef IPX
+#include <netipx/ipx.h>
+#include <netipx/ipx_if.h>
+#endif
+
 #ifdef NS
 #include <netns/ns.h>
 #include <netns/ns_if.h>
@@ -171,6 +176,18 @@ fddi_output(ifp, m0, dst, rt0)
 		type = htons(ETHERTYPE_IP);
 		break;
 #endif
+#ifdef IPX
+	case AF_IPX:
+		type = htons(ETHERTYPE_IPX);
+ 		bcopy((caddr_t)&(((struct sockaddr_ipx*)dst)->sipx_addr.x_host),
+		    (caddr_t)edst, sizeof (edst));
+		if (!bcmp((caddr_t)edst, (caddr_t)&ipx_thishost, sizeof(edst)))
+			return (looutput(ifp, m, dst, rt));
+		/* If broadcasting on a simplex interface, loopback a copy */
+		if ((m->m_flags & (M_BCAST|IFF_SIMPLEX))==(M_BCAST|IFF_SIMPLEX))
+			mcopy = m_copy(m, 0, (int)M_COPYALL);
+		break;
+#endif
 #ifdef NS
 	case AF_NS:
 		type = htons(ETHERTYPE_NS);
@@ -404,7 +421,7 @@ fddi_input(ifp, fh, m)
 
 	l = mtod(m, struct llc *);
 	switch (l->llc_dsap) {
-#if defined(INET) || defined(NS) || defined(DECNET)
+#if defined(INET) || defined(IPX) || defined(NS) || defined(DECNET)
 	case LLC_SNAP_LSAP:
 	{
 		u_int16_t etype;
@@ -426,6 +443,12 @@ fddi_input(ifp, fh, m)
 			inq = &arpintrq;
 			break;
 #endif
+#ifdef IPX
+		case ETHERTYPE_IPX:
+			schednetisr(NETISR_IPX);
+			inq = &ipxintrq;
+			break;
+#endif
 #ifdef NS
 		case ETHERTYPE_NS:
 			schednetisr(NETISR_NS);
@@ -445,7 +468,7 @@ fddi_input(ifp, fh, m)
 		}
 		break;
 	}
-#endif /* INET || NS */
+#endif /* INET || IPX || NS || DECNET */
 #ifdef	ISO
 	case LLC_ISO_LSAP: 
 		switch (l->llc_control) {
diff --git a/sys/net/if_loop.c b/sys/net/if_loop.c
index e7b7105c31b..4a2dd0f4684 100644
--- a/sys/net/if_loop.c
+++ b/sys/net/if_loop.c
@@ -1,3 +1,4 @@
+/*	$OpenBSD: if_loop.c,v 1.4 1996/04/28 14:37:06 mickey Exp $	*/
 /*	$NetBSD: if_loop.c,v 1.14 1995/07/23 16:33:08 mycroft Exp $	*/
 
 /*
diff --git a/sys/net/ppp_defs.h b/sys/net/ppp_defs.h
index 41c63642dd5..b5fc672a34e 100644
--- a/sys/net/ppp_defs.h
+++ b/sys/net/ppp_defs.h
@@ -54,10 +54,12 @@
  * Protocol field values.
  */
 #define PPP_IP		0x21	/* Internet Protocol */
+#define	PPP_IPX		0x2b	/* Internetwork Packet Exchange */
 #define	PPP_VJC_COMP	0x2d	/* VJ compressed TCP */
 #define	PPP_VJC_UNCOMP	0x2f	/* VJ uncompressed TCP */
 #define PPP_COMP	0xfd	/* compressed packet */
 #define PPP_IPCP	0x8021	/* IP Control Protocol */
+#define	PPP_IPXCP	0x802b	/* IPX Control Protocol */
 #define PPP_CCP		0x80fd	/* Compression Control Protocol */
 #define PPP_LCP		0xc021	/* Link Control Protocol */
 #define PPP_PAP		0xc023	/* Password Authentication Protocol */
-- 
2.20.1