[package] iwinfo: support nl80211 hardware identification against radioX pseudo interfaces, useful if radio is not up yet

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29462 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 21 insertions, 0 deletions

diff --git a/package/iwinfo/src/iwinfo_nl80211.c b/package/iwinfo/src/iwinfo_nl80211.c
index 4b8b37daa8..4672b9d640 100644
--- a/package/iwinfo/src/iwinfo_nl80211.c
+++ b/package/iwinfo/src/iwinfo_nl80211.c
@@ -1631,6 +1631,27 @@ int nl80211_get_mbssid_support(const char *ifname, int *buf)
 
 int nl80211_get_hardware_id(const char *ifname, char *buf)
 {
+	int rv;
+	char *res;
+
+	/* Got a radioX pseudo interface, find some interface on it or create one */
+	if (!strncmp(ifname, "radio", 5))
+	{
+		/* Reuse existing interface */
+		if ((res = nl80211_phy2ifname(ifname)) != NULL)
+		{
+			return wext_get_hardware_id(res, buf);
+		}
+
+		/* Need to spawn a temporary iface for finding IDs */
+		else if ((res = nl80211_ifadd(ifname)) != NULL)
+		{
+			rv = wext_get_hardware_id(res, buf);
+			nl80211_ifdel(res);
+			return rv;
+		}
+	}
+
 	return wext_get_hardware_id(ifname, buf);
 }