diff options
| author | Andy Roulin <aroulin@cumulusnetworks.com> | 2019-02-22 21:06:36 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-02-25 00:01:04 +0300 |
| commit | b58996795dc4921123ada213f9f10b8317d3f34f (patch) | |
| tree | 92d774fa39380da66ce4d88f93ec9dfb36c361ff | |
| parent | 45c0e7b25ab21b8217ae63d1d31850a40e415f57 (diff) | |
| download | linux-b58996795dc4921123ada213f9f10b8317d3f34f.tar.xz | |
net: dev: add generic protodown handler
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>
| -rw-r--r-- | include/linux/netdevice.h | 1 | ||||
| -rw-r--r-- | net/core/dev.c | 19 |
2 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 6997f62cb6a0..ffbddd03242b 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -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); diff --git a/net/core/dev.c b/net/core/dev.c index 8a0da95ff4cc..2b67f2aa59dd 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -7954,6 +7954,25 @@ int dev_change_proto_down(struct net_device *dev, bool proto_down) } EXPORT_SYMBOL(dev_change_proto_down); +/** + * dev_change_proto_down_generic - generic implementation for + * ndo_change_proto_down that sets carrier according to + * proto_down. + * + * @dev: device + * @proto_down: new value + */ +int dev_change_proto_down_generic(struct net_device *dev, bool proto_down) +{ + if (proto_down) + netif_carrier_off(dev); + else + netif_carrier_on(dev); + dev->proto_down = proto_down; + return 0; +} +EXPORT_SYMBOL(dev_change_proto_down_generic); + u32 __dev_xdp_query(struct net_device *dev, bpf_op_t bpf_op, enum bpf_netdev_command cmd) { |