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net: ndo_bridge_setlink: Add extack

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Drivers may not be able to implement a VLAN addition or reconfiguration.
In those cases it's desirable to explain to the user that it was
rejected (and why).

To that end, add extack argument to ndo_bridge_setlink. Adapt all users
to that change.

Following patches will use the new argument in the bridge driver.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata
2018-12-12 17:02:48 +00:00
committed by David S. Miller
parent 351cbde969
commit 2fd527b72b
9 changed files with 20 additions and 11 deletions
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3
net/bridge/br_private.h
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@@ -1138,7 +1138,8 @@ int br_netlink_init(void);
void br_netlink_fini(void);
void br_ifinfo_notify(int event, const struct net_bridge *br,
const struct net_bridge_port *port);
int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags);
int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags,
struct netlink_ext_ack *extack);
int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags);
int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev,
u32 filter_mask, int nlflags);