It allows to identify the wlan 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
wlan
Signed-off-by: Vadim Kochan <vadim4j@xxxxxxxxx>
---
net/wireless/core.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/net/wireless/core.c b/net/wireless/core.c
index f52a4cd..eb7c088 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -21,6 +21,7 @@
#include <linux/sched.h>
#include <net/genetlink.h>
#include <net/cfg80211.h>
+#include <net/rtnetlink.h>
#include "nl80211.h"
#include "core.h"
#include "sysfs.h"
@@ -866,6 +867,10 @@ void cfg80211_stop_iface(struct wiphy *wiphy, struct wireless_dev *wdev,
}
EXPORT_SYMBOL(cfg80211_stop_iface);
+static struct rtnl_link_ops wireless_link_ops __read_mostly = {
+ .kind = "wlan",
+};
+
static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
unsigned long state, void *ptr)
{
@@ -883,6 +888,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
switch (state) {
case NETDEV_POST_INIT:
SET_NETDEV_DEVTYPE(dev, &wiphy_type);
+ dev->rtnl_link_ops = &wireless_link_ops;
break;
case NETDEV_REGISTER:
/*
--
2.1.3
--
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