X-Git-Url: http://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=include%2Fnet%2Fppp_defs.h;h=0857e4e8b89b343ac7c6b0abf255516f8f1e3c88;hp=9b6ca4adfd9f79dd4b4491cfbec84210eac8bb17;hb=96dad36e1d37716004171559280613739e7df29e;hpb=50c9469f0f683c7bf8ebad9b7f97bfc03c6a4122

diff --git a/include/net/ppp_defs.h b/include/net/ppp_defs.h
index 9b6ca4a..0857e4e 100644
--- a/include/net/ppp_defs.h
+++ b/include/net/ppp_defs.h
@@ -1,4 +1,4 @@
-/*	$Id: ppp_defs.h,v 1.10 1997/03/04 03:32:37 paulus Exp $	*/
+/*	$Id: ppp_defs.h,v 1.12 1997/11/27 06:05:49 paulus Exp $	*/
 
 /*
  * ppp_defs.h - PPP definitions.
@@ -35,7 +35,21 @@
  */
 #define PPP_HDRLEN	4	/* octets for standard ppp header */
 #define PPP_FCSLEN	2	/* octets for FCS */
+
+/*
+ * Packet sizes
+ *
+ * Note - lcp shouldn't be allowed to negotiate stuff outside these
+ *	  limits.  See lcp.h in the pppd directory.
+ * (XXX - these constants should simply be shared by lcp.c instead
+ *	  of living in lcp.h)
+ */
+#define	PPP_MTU		1500	/* Default MTU (size of Info field) */
+#define PPP_MAXMTU	65535 - (PPP_HDRLEN + PPP_FCSLEN)
+#define PPP_MINMTU	64
 #define PPP_MRU		1500	/* default MRU = max length of info field */
+#define PPP_MAXMRU	65000	/* Largest MRU we allow */
+#define PPP_MINMRU	128
 
 #define PPP_ADDRESS(p)	(((u_char *)(p))[0])
 #define PPP_CONTROL(p)	(((u_char *)(p))[1])
@@ -55,11 +69,14 @@
  */
 #define PPP_IP		0x21	/* Internet Protocol */
 #define PPP_AT		0x29	/* AppleTalk Protocol */
+#define PPP_IPX		0x2b	/* IPX protocol */
 #define	PPP_VJC_COMP	0x2d	/* VJ compressed TCP */
 #define	PPP_VJC_UNCOMP	0x2f	/* VJ uncompressed TCP */
+#define PPP_IPV6	0x57	/* Internet Protocol Version 6 */
 #define PPP_COMP	0xfd	/* compressed packet */
 #define PPP_IPCP	0x8021	/* IP Control Protocol */
 #define PPP_ATCP	0x8029	/* AppleTalk 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 */