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net: dsa: Add support for querying supported bridge flags 

The DSA drivers do not support bridge flags offload. Yet, this attribute
should be added in order for the bridge to fail when one tries set a
flag on the port, as explained in commit dc0ecabd62 ("net: switchdev:
Add support for querying supported bridge flags by hardware").

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arkadi Sharshevsky 2017-08-06 16:15:44 +03:00 committed by David S. Miller
parent 37b8da1a3c
commit c9e2105e29
1 changed files with 3 additions and 0 deletions
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3
net/dsa/slave.c
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@ -324,6 +324,9 @@ static int dsa_slave_port_attr_get(struct net_device *dev,
attr->u.ppid.id_len = sizeof(ds->index);
memcpy(&attr->u.ppid.id, &ds->index, attr->u.ppid.id_len);
break;
case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT:
attr->u.brport_flags_support = 0;
break;
default:
return -EOPNOTSUPP;
}