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Commit c3055246 authored by Anuradha Karuppiah's avatar Anuradha Karuppiah Committed by David S. Miller
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rocker: Handle protodown notifications. 



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: default avatarAnuradha Karuppiah <anuradhak@cumulusnetworks.com>
Signed-off-by: default avatarAndy Gospodarek <gospo@cumulusnetworks.com>
Signed-off-by: default avatarRoopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: default avatarWilson Kok <wkok@cumulusnetworks.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 88d6378b

drivers/net/ethernet/rocker/rocker.c

+14 −1
Original line number Diff line number Diff line
@@ -4015,6 +4015,7 @@ static int rocker_port_open(struct net_device *dev) 


	napi_enable(&rocker_port->napi_tx);

	napi_enable(&rocker_port->napi_rx);

	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,

};



/********************