1 files changed, 9 insertions, 0 deletions

diff --git a/include/linux/ppp-comp.h b/include/linux/ppp-comp.h
index 7227e653b3be..e86a7a5cf355 100644
--- a/include/linux/ppp-comp.h
+++ b/include/linux/ppp-comp.h
@@ -111,6 +111,8 @@ struct compressor {
 
         /* Used in locking compressor modules */
         struct module *owner;
+        /* Extra skb space needed by the compressor algorithm */
+        unsigned int comp_extra;
 };
 
 /*
@@ -191,6 +193,13 @@ struct compressor {
 #define DEFLATE_CHK_SEQUENCE    0
 
 /*
+ * Definitions for MPPE.
+ */
+
+#define CI_MPPE                18      /* config option for MPPE */
+#define CILEN_MPPE              6      /* length of config option */
+
+/*
  * Definitions for other, as yet unsupported, compression methods.
  */