added ifreq->ifr_ifindex + SIOCGIFINDEX definitions

Author: MedourMehdi

include/net/if.h

@@ -145,6 +145,7 @@ struct	ifreq {
 		struct	sockaddr ifru_broadaddr;
 		struct	sockaddr ifru_netmask;
 		short	ifru_flags;
+		short	ifru_ifindex;
 		long	ifru_metric;
 		long	ifru_mtu;
 		struct	ifstat ifru_stats;
@@ -156,6 +157,7 @@ struct	ifreq {
 #define	ifr_broadaddr	ifr_ifru.ifru_broadaddr	/* broadcast address */
 #define	ifr_netmask	ifr_ifru.ifru_netmask	/* netmask */
 #define	ifr_flags	ifr_ifru.ifru_flags	/* flags */
+#define	ifr_ifindex	ifr_ifru.ifru_ifindex	/* ifindex */
 #define	ifr_metric	ifr_ifru.ifru_metric	/* metric */
 #define ifr_mtu		ifr_ifru.ifru_mtu	/* mtu */
 #define ifr_stats	ifr_ifru.ifru_stats	/* statistics */

include/sockios.h

@@ -47,6 +47,9 @@
 #define SIOCADDRT	(('S' << 8) | 30)	/* add routing table entry */
 #define SIOCDELRT	(('S' << 8) | 31)	/* delete routing table entry */
 
+#define SIOCGIFINDEX       (('S' << 8) | 32)
+#define SIOGIFINDEX        SIOCGIFINDEX
+
 /* ARP cache control calls */
 #define SIOCDARP	(('S' << 8) | 40)	/* delete ARP table entry */
 #define SIOCGARP	(('S' << 8) | 41)	/* get ARP table entry */