--- zzzz-none-000/linux-2.4.17/include/linux/atmdev.h	2001-11-22 19:49:02.000000000 +0000
+++ sangam-fb-401/linux-2.4.17/include/linux/atmdev.h	2005-06-14 11:09:35.000000000 +0000
@@ -95,7 +95,12 @@
 					/* enable or disable single-copy */
 #define ATM_SETBACKEND	_IOW('a',ATMIOC_SPECIAL+2,atm_backend_t)
 					/* set backend handler */
-
+#define ATM_NEWBACKENDIF _IOW('a',ATMIOC_SPECIAL+3,atm_backend_t)
+					/* use backend to make new if */
+#define ATM_STOPTX      _IOW('a',ATMIOC_SPECIAL+4,struct atmif_sioc)
+					/* Stop Tx on Sangam DSL */
+#define ATM_FLUSHTX  _IOW('a',ATMIOC_SPECIAL+5,struct atmif_sioc)
+					/* Flush Tx queues */
 /*
  * These are backend handkers that can be set via the ATM_SETBACKEND call
  * above.  In the future we may support dynamic loading of these - for now,
@@ -103,7 +108,7 @@
  */
 #define ATM_BACKEND_RAW		0	
 #define ATM_BACKEND_PPP		1	/* PPPoATM - RFC2364 */
-#define ATM_BACKEND_BR_2684	2	/* Bridged RFC1483/2684 */
+#define ATM_BACKEND_BR2684	2	/* Bridged RFC1483/2684 */
 
 /* for ATM_GETTYPE */
 #define ATM_ITFTYP_LEN	8	/* maximum length of interface type name */
@@ -321,6 +326,21 @@
 	void		*user_back;	/* user backlink - not touched by */
 					/* native ATM stack. Currently used */
 					/* by CLIP and sch_atm. */
+
+#ifdef CONFIG_PACKET_MMAP
+	atomic_t		mapped;
+	unsigned long		*pg_vec;
+	unsigned int		pg_vec_order;
+	unsigned int		pg_vec_pages;
+	unsigned int		pg_vec_len;
+
+	struct tpacket_hdr	**iovec;
+	unsigned int		frame_size;
+	unsigned int		iovmax;
+	unsigned int		head;
+	int			copy_thresh;
+#endif
+
 };