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virt_wifi: implement ndo_get_iflink

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->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>
This commit is contained in:
Taehee Yoo 2020-03-05 09:06:36 +00:00 committed by Johannes Berg
parent a916062a09
commit dd063ffae0
1 changed files with 10 additions and 2 deletions
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12
drivers/net/wireless/virt_wifi.c
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@ -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. */