From 87a9e4379e748471657c50f0994fba92b9aa1253 Mon Sep 17 00:00:00 2001
From: Luigi Rizzo <luigi@FreeBSD.org>
Date: Fri, 6 Apr 2012 14:26:05 +0000
Subject: [PATCH] we need to specify a NETMAP_API version or the ioctl() will
 fail.

---
 tools/tools/netmap/pcap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/tools/netmap/pcap.c b/tools/tools/netmap/pcap.c
index 2a93e82c7f55..06bb1731df23 100644
--- a/tools/tools/netmap/pcap.c
+++ b/tools/tools/netmap/pcap.c
@@ -232,6 +232,7 @@ netmap_open(struct my_ring *me, int ringid)
 	bzero(&req, sizeof(req));
 	strncpy(req.nr_name, me->nmr.nr_name, sizeof(req.nr_name));
 	req.nr_ringid = ringid;
+	req.nr_version = NETMAP_API;
 	err = ioctl(fd, NIOCGINFO, &req);
 	if (err) {
 		D("cannot get info on %s", me->nmr.nr_name);