It allows to identify the wireless kind of device for
the user application, e.g.:
# ip -d link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 promiscuity 0
2: enp0s25: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN mode DEFAULT group default qlen 1000
link/ether XX:XX:XX:XX:XX:XX brd ff:ff:ff:ff:ff:ff promiscuity 0
3: wlp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
link/ether XX:XX:XX:XX:XX:XX brd ff:ff:ff:ff:ff:ff promiscuity 0
wireless
4: wlp0s26u1u2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
link/ether XX:XX:XX:XX:XX:XX brd ff:ff:ff:ff:ff:ff promiscuity 0
wireless
Signed-off-by: Vadim Kochan <vadim4j@xxxxxxxxx>
---
net/mac80211/iface.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 653f5eb..b993c7d 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -18,6 +18,7 @@
#include <linux/rtnetlink.h>
#include <net/mac80211.h>
#include <net/ieee80211_radiotap.h>
+#include <net/rtnetlink.h>
#include "ieee80211_i.h"
#include "sta_info.h"
#include "debugfs_netdev.h"
@@ -1624,6 +1625,10 @@ static void ieee80211_assign_perm_addr(struct ieee80211_local *local,
mutex_unlock(&local->iflist_mtx);
}
+static struct rtnl_link_ops wireless_link_ops __read_mostly = {
+ .kind = "wireless",
+};
+
int ieee80211_if_add(struct ieee80211_local *local, const char *name,
struct wireless_dev **new_wdev, enum nl80211_iftype type,
struct vif_params *params)
@@ -1684,6 +1689,8 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
memcpy(sdata->vif.addr, ndev->dev_addr, ETH_ALEN);
memcpy(sdata->name, ndev->name, IFNAMSIZ);
+ ndev->rtnl_link_ops = &wireless_link_ops;
+
sdata->dev = ndev;
}
--
2.1.3
--
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