diff --git a/include/linux/if.h b/include/linux/if.h
index 32bf419..186070d 100644
--- a/include/linux/if.h
+++ b/include/linux/if.h
@@ -50,7 +50,9 @@
 #define IFF_LOWER_UP	0x10000		/* driver signals L1 up		*/
 #define IFF_DORMANT	0x20000		/* driver signals dormant	*/
 
-#define IFF_VOLATILE	(IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|\
+#define IFF_ECHO	0x40000		/* echo sent packets		*/
+
+#define IFF_VOLATILE	(IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|IFF_ECHO|\
 		IFF_MASTER|IFF_SLAVE|IFF_RUNNING|IFF_LOWER_UP|IFF_DORMANT)
 
 /* Private (from user) interface flags (netdevice->priv_flags). */
diff --git a/include/linux/if_arp.h b/include/linux/if_arp.h
index ed7b93c..296e8e8 100644
--- a/include/linux/if_arp.h
+++ b/include/linux/if_arp.h
@@ -52,6 +52,7 @@
 #define ARPHRD_ROSE	270
 #define ARPHRD_X25	271		/* CCITT X.25			*/
 #define ARPHRD_HWX25	272		/* Boards with X.25 in firmware	*/
+#define ARPHRD_CAN	280		/* Controller Area Network      */
 #define ARPHRD_PPP	512
 #define ARPHRD_CISCO	513		/* Cisco HDLC	 		*/
 #define ARPHRD_HDLC	ARPHRD_CISCO
diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index 5f92977..cc002cb 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -90,6 +90,7 @@
 #define ETH_P_WAN_PPP   0x0007          /* Dummy type for WAN PPP frames*/
 #define ETH_P_PPP_MP    0x0008          /* Dummy type for PPP MP frames */
 #define ETH_P_LOCALTALK 0x0009		/* Localtalk pseudo type 	*/
+#define ETH_P_CAN	0x000C		/* Controller Area Network      */
 #define ETH_P_PPPTALK	0x0010		/* Dummy type for Atalk over PPP*/
 #define ETH_P_TR_802_2	0x0011		/* 802.2 frames 		*/
 #define ETH_P_MOBITEX	0x0015		/* Mobitex (kaz@cafe.net)	*/
diff --git a/include/linux/socket.h b/include/linux/socket.h
index c22ef1c..eb5bdd5 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -185,6 +185,7 @@
 #define AF_PPPOX	24	/* PPPoX sockets		*/
 #define AF_WANPIPE	25	/* Wanpipe API Sockets */
 #define AF_LLC		26	/* Linux LLC			*/
+#define AF_CAN		29	/* Controller Area Network      */
 #define AF_TIPC		30	/* TIPC sockets			*/
 #define AF_BLUETOOTH	31	/* Bluetooth sockets 		*/
 #define AF_IUCV		32	/* IUCV sockets			*/
@@ -220,6 +221,7 @@
 #define PF_PPPOX	AF_PPPOX
 #define PF_WANPIPE	AF_WANPIPE
 #define PF_LLC		AF_LLC
+#define PF_CAN		AF_CAN
 #define PF_TIPC		AF_TIPC
 #define PF_BLUETOOTH	AF_BLUETOOTH
 #define PF_IUCV		AF_IUCV
diff --git a/include/linux/tty.h b/include/linux/tty.h
index defd2ab..402de89 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -23,7 +23,7 @@
  */
 #define NR_UNIX98_PTY_DEFAULT	4096      /* Default maximum for Unix98 ptys */
 #define NR_UNIX98_PTY_MAX	(1 << MINORBITS) /* Absolute limit */
-#define NR_LDISCS		17
+#define NR_LDISCS		18
 
 /* line disciplines */
 #define N_TTY		0
@@ -44,6 +44,7 @@
 #define N_SYNC_PPP	14	/* synchronous PPP */
 #define N_HCI		15	/* Bluetooth HCI UART */
 #define N_GIGASET_M101	16	/* Siemens Gigaset M101 serial DECT adapter */
+#define N_SLCAN		17	/* Serial / USB serial CAN Adaptors */
 
 /*
  * This character is the same as _POSIX_VDISABLE: it cannot be used as