--- a/include/linux/ppp_channel.h
+++ b/include/linux/ppp_channel.h
@@ -84,6 +96,15 @@
 /* Test if ppp xmit lock is locked */
 extern bool ppp_is_xmit_locked(struct net_device *dev);
 
+/* Test if ppp xmit lock is locked */
+extern bool ppp_is_xmit_locked(struct net_device *dev);
+
+/* Call this get protocol version */
+extern int ppp_channel_get_proto_version(struct ppp_channel *);
+
+/* Get the device index  associated with a channel, or 0, if none */
+extern int ppp_dev_index(struct ppp_channel *);
+
 /* Hold PPP channels for the PPP device */
 extern int __ppp_hold_channels(struct net_device *dev,
 			       struct ppp_channel *channels[],
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
*************** void ppp_release_channels(struct ppp_cha
*** 3706,3711 ****
--- 3706,3727 ----
  }
  EXPORT_SYMBOL(ppp_release_channels);
  
+ /* Return the PPP net device index */
+ int ppp_dev_index(struct ppp_channel *chan)
+ {
+        struct channel *pch = chan->ppp;
+        int ifindex = 0;
+ 
+        if (pch) {
+ 	       read_lock_bh(&pch->upl);
+ 	       if (pch->ppp && pch->ppp->dev)
+ 		       ifindex = pch->ppp->dev->ifindex;
+ 	       read_unlock_bh(&pch->upl);
+        }
+        return ifindex;
+ }
+ EXPORT_SYMBOL(ppp_dev_index);
+ 
  /* Module/initialization stuff */
  
  module_init(ppp_init);