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rocker: Handle protodown notifications.

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protodown can be set by user space applications like MLAG on detecting
errors on a switch port. This patch provides sample switch driver changes
for handling protodown. Rocker PHYS disables the port in response to
protodown.

Signed-off-by: Anuradha Karuppiah <anuradhak@cumulusnetworks.com>
Signed-off-by: Andy Gospodarek <gospo@cumulusnetworks.com>
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: Wilson Kok <wkok@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Anuradha Karuppiah 2015-07-14 13:43:21 -07:00 committed by David S. Miller
parent 88d6378bd6
commit c305524617
1 changed files with 14 additions and 1 deletions
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15
drivers/net/ethernet/rocker/rocker.c
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@ -4015,7 +4015,8 @@ static int rocker_port_open(struct net_device *dev)
napi_enable(&rocker_port->napi_tx);
napi_enable(&rocker_port->napi_rx);
rocker_port_set_enable(rocker_port, true);
if (!dev->proto_down)
rocker_port_set_enable(rocker_port, true);
netif_start_queue(dev);
return 0;
@ -4227,6 +4228,17 @@ static int rocker_port_get_phys_port_name(struct net_device *dev,
return err ? -EOPNOTSUPP : 0;
}
static int rocker_port_change_proto_down(struct net_device *dev,
bool proto_down)
{
struct rocker_port *rocker_port = netdev_priv(dev);
if (rocker_port->dev->flags & IFF_UP)
rocker_port_set_enable(rocker_port, !proto_down);
rocker_port->dev->proto_down = proto_down;
return 0;
}
static const struct net_device_ops rocker_port_netdev_ops = {
.ndo_open = rocker_port_open,
.ndo_stop = rocker_port_stop,
@ -4240,6 +4252,7 @@ static const struct net_device_ops rocker_port_netdev_ops = {
.ndo_fdb_del = switchdev_port_fdb_del,
.ndo_fdb_dump = switchdev_port_fdb_dump,
.ndo_get_phys_port_name = rocker_port_get_phys_port_name,
.ndo_change_proto_down = rocker_port_change_proto_down,
};
/********************