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net: dev: add generic protodown handler

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Introduce dev_change_proto_down_generic, a generic ndo_change_proto_down
implementation, which sets the netdev carrier state according to proto_down.

This adds the ability to set protodown on vxlan and macvlan devices in a
generic way for use by control protocols like VRRPD.

Signed-off-by: Andy Roulin <aroulin@cumulusnetworks.com>
Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andy Roulin
2019-02-22 18:06:36 +00:00
committed by David S. Miller
parent 45c0e7b25a
commit b58996795d
2 changed files with 20 additions and 0 deletions
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include/linux/netdevice.h
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@@ -3673,6 +3673,7 @@ int dev_get_port_parent_id(struct net_device *dev,
struct netdev_phys_item_id *ppid, bool recurse);
bool netdev_port_same_parent_id(struct net_device *a, struct net_device *b);
int dev_change_proto_down(struct net_device *dev, bool proto_down);
int dev_change_proto_down_generic(struct net_device *dev, bool proto_down);
struct sk_buff *validate_xmit_skb_list(struct sk_buff *skb, struct net_device *dev, bool *again);
struct sk_buff *dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
struct netdev_queue *txq, int *ret);