diff -Naru ethtool-6/ethtool.c ethtool-6-new/ethtool.c
--- ethtool-6/ethtool.c	2009-08-15 19:16:21.419431487 +0530
+++ ethtool-6-new/ethtool.c	2009-10-09 22:30:59.218832199 +0530
@@ -40,6 +40,7 @@
 #include <sys/utsname.h>
 
 #include <linux/sockios.h>
+#include <netdevname.h>
 #include "ethtool-util.h"
 
 
@@ -224,6 +225,7 @@
 }
 
 static char *devname = NULL;
+static char kernelname[IFNAMSIZ];
 
 static int goffload_changed = 0;
 static int off_csum_rx_wanted = -1;
@@ -767,7 +769,11 @@
 
 	if (devname == NULL)
 		show_usage(1);
-	if (strlen(devname) >= IFNAMSIZ)
+	/*Pass the device name to netdev_pathname_to_name to get the ethN name if the device name is of the form /dev/net/ethN */
+	if ((netdev_pathname_to_name(devname, kernelname)) < 0) {
+		show_pathname_usage();
+	}
+	if (strlen(kernelname) >= IFNAMSIZ) 
 		show_usage(1);
 }
 
@@ -1454,7 +1460,7 @@
 
 	/* Setup our control structures. */
 	memset(&ifr, 0, sizeof(ifr));
-	strcpy(ifr.ifr_name, devname);
+	strcpy(ifr.ifr_name, kernelname);
 
 	/* Open control socket. */
 	fd = socket(AF_INET, SOCK_DGRAM, 0);
@@ -1528,7 +1534,7 @@
 {
 	int err;
 
-	fprintf(stdout, "Pause parameters for %s:\n", devname);
+	fprintf(stdout, "Pause parameters for %s:\n", kernelname);
 
 	epause.cmd = ETHTOOL_GPAUSEPARAM;
 	ifr->ifr_data = (caddr_t)&epause;
@@ -1638,7 +1644,7 @@
 {
 	int err;
 
-	fprintf(stdout, "Ring parameters for %s:\n", devname);
+	fprintf(stdout, "Ring parameters for %s:\n", kernelname);
 
 	ering.cmd = ETHTOOL_GRINGPARAM;
 	ifr->ifr_data = (caddr_t)&ering;
@@ -1659,7 +1665,7 @@
 {
 	int err;
 
-	fprintf(stdout, "Coalesce parameters for %s:\n", devname);
+	fprintf(stdout, "Coalesce parameters for %s:\n", kernelname);
 
 	ecoal.cmd = ETHTOOL_GCOALESCE;
 	ifr->ifr_data = (caddr_t)&ecoal;
@@ -1713,7 +1719,7 @@
 	int err, allfail = 1, rx = 0, tx = 0, sg = 0;
 	int tso = 0, ufo = 0, gso = 0, gro = 0, lro = 0;
 
-	fprintf(stdout, "Offload parameters for %s:\n", devname);
+	fprintf(stdout, "Offload parameters for %s:\n", kernelname);
 
 	eval.cmd = ETHTOOL_GRXCSUM;
 	ifr->ifr_data = (caddr_t)&eval;
@@ -1927,7 +1933,7 @@
 	struct ethtool_value edata;
 	int allfail = 1;
 
-	fprintf(stdout, "Settings for %s:\n", devname);
+	fprintf(stdout, "Settings for %s:\n", kernelname);
 
 	ecmd.cmd = ETHTOOL_GSET;
 	ifr->ifr_data = (caddr_t)&ecmd;