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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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6
net/core/rtnetlink.c
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@@ -4332,7 +4332,8 @@ static int rtnl_bridge_setlink(struct sk_buff *skb, struct nlmsghdr *nlh,
goto out;
}
err = br_dev->netdev_ops->ndo_bridge_setlink(dev, nlh, flags);
err = br_dev->netdev_ops->ndo_bridge_setlink(dev, nlh, flags,
extack);
if (err)
goto out;
@@ -4344,7 +4345,8 @@ static int rtnl_bridge_setlink(struct sk_buff *skb, struct nlmsghdr *nlh,
err = -EOPNOTSUPP;
else
err = dev->netdev_ops->ndo_bridge_setlink(dev, nlh,
flags);
flags,
extack);
if (!err) {
flags &= ~BRIDGE_FLAGS_SELF;