ISDN/PPP: Move state from ipppd to isdn_net_dev/isdn_net_local

A lot of the state in struct ipppd actually belongs to
isdn_net_dev or isdn_net_local, making it more easily accessible at a
most places, and also removing the ambiguity whether it's link-
or bundle-specific.

drivers/isdn/i4l/isdn_net_lib.c

@@ -2093,6 +2093,7 @@ isdn_net_tasklet(unsigned long data)
 void
 isdn_net_online(isdn_net_dev *idev)
 {
+	// FIXME check we're connected
 	isdn_net_local *mlp = idev->mlp;
 	unsigned long flags;
 

include/linux/isdn.h

@@ -356,6 +356,24 @@ typedef struct isdn_net_local_s {
 #ifdef CONFIG_ISDN_X25
   struct concap_device_ops *dops;      /* callbacks used by encapsulator   */
 #endif
+#ifdef CONFIG_ISDN_PPP
+  unsigned int           mpppcfg;
+  long                   mp_seqno;
+
+  struct isdn_ppp_compressor *compressor;
+  struct isdn_ppp_compressor *decompressor;
+  void                  *comp_stat;
+  void                  *decomp_stat;
+  unsigned long          compflags;
+  struct ippp_ccp_reset *reset;
+
+  unsigned long          debug;
+#ifdef CONFIG_ISDN_PPP_VJ
+  unsigned char         *cbuf;
+  struct slcompress     *slcomp;
+#endif
+#endif
+
   /* use an own struct for that in later versions */
   ulong cisco_myseq;                   /* Local keepalive seq. for Cisco   */
   ulong cisco_mineseen;                /* returned keepalive seq. from remote */
@@ -415,6 +433,18 @@ typedef struct isdn_net_dev_s {
   char                   name[10];     /* Name of device                   */
   struct list_head       global_list;  /* global list of all isdn_net_devs */
 #ifdef CONFIG_ISDN_PPP
+  unsigned int           pppcfg;
+  unsigned int           pppmru;
+  unsigned int           pppseq;       /* last seq no seen                 */
+
+  struct isdn_ppp_compressor *compressor;
+  struct isdn_ppp_compressor *decompressor;
+  void                  *comp_stat;
+  void                  *decomp_stat;
+  unsigned long          compflags;
+  struct ippp_ccp_reset *reset;
+  unsigned long          debug;
+
   ippp_bundle * pb;		/* pointer to the common bundle structure
    			         * with the per-bundle data */
 #endif

include/linux/isdn_ppp.h

@@ -172,7 +172,7 @@ enum ippp_ccp_reset_states {
 
 struct ippp_ccp_reset_state {
   enum ippp_ccp_reset_states state;	/* State of this transaction */
-  struct ipppd *is; 		        /* Backlink to device stuff */
+  struct ippp_ccp_reset *icr;           /* Backlink */
   unsigned char id;			/* Backlink id index */
   unsigned char ta:1;			/* The timer is active (flag) */
   unsigned char expra:1;		/* We expect a ResetAck at all */
@@ -189,6 +189,10 @@ struct ippp_ccp_reset_state {
 struct ippp_ccp_reset {
   struct ippp_ccp_reset_state *rs[256];	/* One per possible id */
   unsigned char lastid;			/* Last id allocated by the engine */
+  void (*xmit_reset)(void *priv, int proto, unsigned char code,
+		     unsigned char id, unsigned char *data, int len);
+  void (*kick_up)(void *priv);
+  void *priv;
 };
 
 #endif /* __KERNEL__ */