From dd063ffae0e54c1ec2b7257c92ac1ea31546a932 Mon Sep 17 00:00:00 2001
From: Taehee Yoo <ap420073@gmail.com>
Date: Thu, 5 Mar 2020 09:06:36 +0000
Subject: [PATCH] virt_wifi: implement ndo_get_iflink
Git-commit: dd063ffae0e54c1ec2b7257c92ac1ea31546a932
Patch-mainline: v5.7-rc1
References: jsc#SLE-13430
->ndo_get_iflink() is useful for finding lower interface.
Test commands:
ip link add dummy0 type dummy
ip link add vw1 link dummy0 type virt_wifi
ip link show vw1
Before: 9: vw1: <BROADCAST,MULTICAST> ...
After: 9: vw1@dummy0: <BROADCAST,MULTICAST> ...
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Link: https://lore.kernel.org/r/20200305090636.28221-1-ap420073@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/virt_wifi.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/virt_wifi.c b/drivers/net/wireless/virt_wifi.c
index 01305ba2d3aa..c878097f0dda 100644
--- a/drivers/net/wireless/virt_wifi.c
+++ b/drivers/net/wireless/virt_wifi.c
@@ -436,10 +436,18 @@ static int virt_wifi_net_device_stop(struct net_device *dev)
return 0;
}
+static int virt_wifi_net_device_get_iflink(const struct net_device *dev)
+{
+ struct virt_wifi_netdev_priv *priv = netdev_priv(dev);
+
+ return priv->lowerdev->ifindex;
+}
+
static const struct net_device_ops virt_wifi_ops = {
.ndo_start_xmit = virt_wifi_start_xmit,
- .ndo_open = virt_wifi_net_device_open,
- .ndo_stop = virt_wifi_net_device_stop,
+ .ndo_open = virt_wifi_net_device_open,
+ .ndo_stop = virt_wifi_net_device_stop,
+ .ndo_get_iflink = virt_wifi_net_device_get_iflink,
};
/* Invoked as part of rtnl lock release. */
--
2.16.4