Add helper to check if it is a mac80211 interface

2 files changed, 31 insertions, 0 deletions

diff --git a/include/inet.h b/include/inet.h
index d943a262..119fca21 100644
--- a/include/inet.h
+++ b/include/inet.h
@@ -38,6 +38,7 @@ int connman_inet_ifup(int index);
 int connman_inet_ifdown(int index);
 
 struct connman_device *connman_inet_create_device(int index);
+connman_bool_t connman_inet_is_mac80211(int index);
 
 int connman_inet_set_address(int index, struct connman_ipaddress *ipaddress);
 int connman_inet_clear_address(int index);
diff --git a/src/inet.c b/src/inet.c
index 62f23d4a..1261c5fa 100644
--- a/src/inet.c
+++ b/src/inet.c
@@ -288,6 +288,36 @@ static char *index2ident(int index, const char *prefix)
 	return str;
 }
 
+connman_bool_t connman_inet_is_mac80211(int index)
+{
+	connman_bool_t result = FALSE;
+	char phy80211_path[PATH_MAX];
+	struct stat st;
+	struct ifreq ifr;
+	int sk;
+
+	sk = socket(PF_INET, SOCK_DGRAM, 0);
+	if (sk < 0)
+		return FALSE;
+
+	memset(&ifr, 0, sizeof(ifr));
+	ifr.ifr_ifindex = index;
+
+	if (ioctl(sk, SIOCGIFNAME, &ifr) < 0)
+		goto done;
+
+	snprintf(phy80211_path, PATH_MAX,
+				"/sys/class/net/%s/phy80211", ifr.ifr_name);
+
+	if (stat(phy80211_path, &st) == 0 && (st.st_mode & S_IFDIR))
+		result = TRUE;
+
+done:
+	close(sk);
+
+	return result;
+}
+
 enum connman_device_type __connman_inet_get_device_type(int index)
 {
 	enum connman_device_type devtype = CONNMAN_DEVICE_TYPE_UNKNOWN;