10.3/linprocfs-no-convert-ifname.diff

Add macro _NO_CONVERT_IFNAME that prevent interface names to be converted to
eth*. Useful when using linprocfs separately without Linux binary
compatibility.

diff -ru --exclude-from freebsd-src-diff-exclude-names /var/tmp/freebsd-src/usr/src/sys/compat/linprocfs/linprocfs.c freebsd-10.3/usr/src/sys/compat/linprocfs/linprocfs.c
--- /var/tmp/freebsd-src/usr/src/sys/compat/linprocfs/linprocfs.c	2016-03-25 09:09:43.000000000 +0800
+++ freebsd-10.3/usr/src/sys/compat/linprocfs/linprocfs.c	2016-12-06 13:00:44.235972123 +0800
@@ -39,6 +39,8 @@
  *	@(#)procfs_status.c	8.4 (Berkeley) 6/15/94
  */
 
+#define _NO_CONVERT_IFNAME 1
+
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD: releng/10.3/sys/compat/linprocfs/linprocfs.c 295951 2016-02-24 02:34:11Z araujo $");
 
@@ -1077,6 +1081,7 @@
 	return (error);
 }
 
+#ifndef _NO_CONVERT_IFNAME
 /*
  * Criteria for interface name translation
  */
@@ -1105,6 +1110,7 @@
 
 	return (0);
 }
+#endif
 
 /*
  * Filler function for proc/net/dev
@@ -1112,7 +1118,9 @@
 static int
 linprocfs_donetdev(PFS_FILL_ARGS)
 {
+#ifndef _NO_CONVERT_IFNAME
 	char ifname[16]; /* XXX LINUX_IFNAMSIZ */
+#endif
 	struct ifnet *ifp;
 
 	sbuf_printf(sb, "%6s|%58s|%s\n"
@@ -1125,8 +1133,12 @@
 	CURVNET_SET(TD_TO_VNET(curthread));
 	IFNET_RLOCK();
 	TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
+#ifdef _NO_CONVERT_IFNAME
+		sbuf_printf(sb, "%6.6s: ", ifp->if_xname);
+#else
 		linux_ifname(ifp, ifname, sizeof ifname);
 		sbuf_printf(sb, "%6.6s: ", ifname);
+#endif
 		sbuf_printf(sb, "%7lu %7lu %4lu %4lu %4lu %5lu %10lu %9lu ",
 		    ifp->if_ibytes,	/* rx_bytes */
 		    ifp->if_ipackets,	/* rx_packets */