diff options
| author |   Anuradha Karuppiah <anuradhak@cumulusnetworks.com> | 2015-07-14 13:43:21 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-07-15 21:39:40 -0700 |
| commit | c305524617dcd617d698dfe2682f3212e698f781 (patch) | |
| tree | 7f28ceeeac184512de8789d4cb1898ff0bb33240 /drivers/net/ethernet/rocker | |
| parent | netlink: changes for setting and clearing protodown via netlink. (diff) | |
| download | linux-dev-c305524617dcd617d698dfe2682f3212e698f781.tar.xz linux-dev-c305524617dcd617d698dfe2682f3212e698f781.zip | |
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: 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>
Diffstat (limited to 'drivers/net/ethernet/rocker')
| -rw-r--r-- | drivers/net/ethernet/rocker/rocker.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c index c0051673c9fa..932428314b80 100644 --- a/drivers/net/ethernet/rocker/rocker.c +++ b/drivers/net/ethernet/rocker/rocker.c @@ -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, }; /******************** |