protect against multiple inclusion; add more protocols

[ppp.git] / include / net / ppp_defs.h

diff --git a/include/net/ppp_defs.h b/include/net/ppp_defs.h
index 9a0a2a16b7846bc8c5deadd716c014cd4e1a0b9a..7e6c62f793b853d380e95d1bfd094c70659e5936 100644 (file)
--- a/include/net/ppp_defs.h
+++ b/include/net/ppp_defs.h
@@ -1,4 +1,4 @@
-/*     $Id: ppp_defs.h,v 1.1 1994/09/19 04:18:43 paulus Exp $  */
+/*     $Id: ppp_defs.h,v 1.2 1994/09/21 01:31:06 paulus Exp $  */
 
 /*
  * ppp_defs.h - PPP definitions.
@@ -27,6 +27,9 @@
  * OR MODIFICATIONS.
  */
 
+#ifndef _PPP_DEFS_H_
+#define _PPP_DEFS_H_
+
 /*
  * The basic PPP frame.
  */
@@ -54,8 +57,12 @@
 #define        PPP_VJC_COMP    0x2d    /* VJ compressed TCP */
 #define        PPP_VJC_UNCOMP  0x2f    /* VJ uncompressed TCP */
 #define PPP_COMP       0xfd    /* compressed packet */
-#define PPP_LCP                0xc021  /* Link Control Protocol */
+#define PPP_IPCP       0x8021  /* IP Control Protocol */
 #define PPP_CCP                0x80fd  /* Compression Control Protocol */
+#define PPP_LCP                0xc021  /* Link Control Protocol */
+#define PPP_PAP                0xc023  /* Password Authentication Protocol */
+#define PPP_LQR                0xc025  /* Link Quality Report protocol */
+#define PPP_CHAP       0xc223  /* Cryptographic Handshake Auth. Protocol */
 
 /*
  * Values for FCS calculations.
@@ -137,3 +144,5 @@ struct ppp_stats {
 #define __P(x) ()
 #endif
 #endif
+
+#endif /* _PPP_DEFS_H_ */