--- zzzz-none-000/linux-4.1.52/include/uapi/linux/atmdev.h	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/include/uapi/linux/atmdev.h	2022-03-02 11:37:13.000000000 +0000
@@ -6,12 +6,16 @@
 #ifndef _UAPILINUX_ATMDEV_H
 #define _UAPILINUX_ATMDEV_H
 
+#if defined(CONFIG_BCM_KF_DOUBLE_INCLUSION) || !defined(CONFIG_BCM_IN_KERNEL)
+#ifndef LINUX_ATMDEV_H
+#define LINUX_ATMDEV_H
+#endif
+#endif 
 
 #include <linux/atmapi.h>
 #include <linux/atm.h>
 #include <linux/atmioc.h>
 
-
 #define ESI_LEN		6
 
 #define ATM_OC3_PCR	(155520000/270*260/8/53)
@@ -107,6 +111,11 @@
 #define ATM_DROPPARTY 	_IOW('a', ATMIOC_SPECIAL+5,int)
 					/* drop party from p2mp call */
 
+#if defined(CONFIG_BCM_KF_ATM_BACKEND) || !defined(CONFIG_BCM_IN_KERNEL)
+#define ATM_EXTBACKENDIF _IOW('a',ATMIOC_SPECIAL+6,atm_backend_t)
+#define ATM_SETEXTFILT  _IOW('a',ATMIOC_SPECIAL+7,atm_backend_t)
+#endif
+
 /*
  * 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,
@@ -116,6 +125,14 @@
 #define ATM_BACKEND_PPP		1	/* PPPoATM - RFC2364 */
 #define ATM_BACKEND_BR2684	2	/* Bridged RFC1483/2684 */
 
+#if defined(CONFIG_BCM_KF_ATM_BACKEND) || !defined(CONFIG_BCM_IN_KERNEL)
+#define ATM_BACKEND_RT2684       3  /* Routed RFC1483/2684 */
+#define ATM_BACKEND_BR2684_BCM   4  /* Bridged RFC1483/2684 uses Broadcom ATMAPI*/
+#define ATM_BACKEND_PPP_BCM      5  /* PPPoA uses Broadcom bcmxtmrt driver */
+#define ATM_BACKEND_PPP_BCM_DISCONN    6  /* PPPoA LCP disconnect */
+#define ATM_BACKEND_PPP_BCM_CLOSE_DEV  7  /* PPPoA close device */
+#endif
+
 /* for ATM_GETTYPE */
 #define ATM_ITFTYP_LEN	8	/* maximum length of interface type name */