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swdevice: add new apis to set and del bridge port attributes

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This patch adds two new api's netdev_switch_port_bridge_setlink
and netdev_switch_port_bridge_dellink to offload bridge port attributes
to switch port

(The names of the apis look odd with 'switch_port_bridge',
but am more inclined to change the prefix of the api to something else.
Will take any suggestions).

The api's look at the NETIF_F_HW_SWITCH_OFFLOAD feature flag to
pass bridge port attributes to the port device.

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Roopa Prabhu
2015-01-29 22:40:13 -08:00
committed by David S. Miller
parent add511b382
commit 8a44dbb202
2 changed files with 146 additions and 1 deletions
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37
include/net/switchdev.h
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@@ -43,7 +43,14 @@ int register_netdev_switch_notifier(struct notifier_block *nb);
int unregister_netdev_switch_notifier(struct notifier_block *nb);
int call_netdev_switch_notifiers(unsigned long val, struct net_device *dev,
struct netdev_switch_notifier_info *info);
int netdev_switch_port_bridge_setlink(struct net_device *dev,
struct nlmsghdr *nlh, u16 flags);
int netdev_switch_port_bridge_dellink(struct net_device *dev,
struct nlmsghdr *nlh, u16 flags);
int ndo_dflt_netdev_switch_port_bridge_dellink(struct net_device *dev,
struct nlmsghdr *nlh, u16 flags);
int ndo_dflt_netdev_switch_port_bridge_setlink(struct net_device *dev,
struct nlmsghdr *nlh, u16 flags);
#else
static inline int netdev_switch_parent_id_get(struct net_device *dev,
@@ -74,6 +81,34 @@ static inline int call_netdev_switch_notifiers(unsigned long val, struct net_dev
return NOTIFY_DONE;
}
static inline int netdev_switch_port_bridge_setlink(struct net_device *dev,
struct nlmsghdr *nlh,
u16 flags)
{
return -EOPNOTSUPP;
}
static inline int netdev_switch_port_bridge_dellink(struct net_device *dev,
struct nlmsghdr *nlh,
u16 flags)
{
return -EOPNOTSUPP;
}
static inline int ndo_dflt_netdev_switch_port_bridge_dellink(struct net_device *dev,
struct nlmsghdr *nlh,
u16 flags)
{
return 0;
}
static inline int ndo_dflt_netdev_switch_port_bridge_setlink(struct net_device *dev,
struct nlmsghdr *nlh,
u16 flags)
{
return 0;
}
#endif
#endif /* _LINUX_SWITCHDEV_H_ */