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switchdev: convert parent_id_get to switchdev attr get

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Switch ID is just a gettable port attribute.  Convert switchdev op
switchdev_parent_id_get to a switchdev attr.

Note: for sysfs and netlink interfaces, SWITCHDEV_ATTR_PORT_PARENT_ID is
called with SWITCHDEV_F_NO_RECUSE to limit switch ID user-visiblity to only
port netdevs.  So when a port is stacked under bond/bridge, the user can
only query switch id via the switch ports, but not via the upper devices

Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Scott Feldman
2015-05-10 09:47:49 -07:00
committed by David S. Miller
parent 3094333d90
commit f8e20a9f87
6 changed files with 51 additions and 57 deletions
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17
drivers/net/ethernet/rocker/rocker.c
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@@ -4221,14 +4221,21 @@ static const struct net_device_ops rocker_port_netdev_ops = {
* swdev interface
********************/
static int rocker_port_switchdev_parent_id_get(struct net_device *dev,
struct netdev_phys_item_id *psid)
static int rocker_port_attr_get(struct net_device *dev,
struct switchdev_attr *attr)
{
struct rocker_port *rocker_port = netdev_priv(dev);
struct rocker *rocker = rocker_port->rocker;
psid->id_len = sizeof(rocker->hw.id);
memcpy(&psid->id, &rocker->hw.id, psid->id_len);
switch (attr->id) {
case SWITCHDEV_ATTR_PORT_PARENT_ID:
attr->ppid.id_len = sizeof(rocker->hw.id);
memcpy(&attr->ppid.id, &rocker->hw.id, attr->ppid.id_len);
break;
default:
return -EOPNOTSUPP;
}
return 0;
}
@@ -4266,7 +4273,7 @@ static int rocker_port_switchdev_fib_ipv4_del(struct net_device *dev,
}
static const struct switchdev_ops rocker_port_switchdev_ops = {
.switchdev_parent_id_get = rocker_port_switchdev_parent_id_get,
.switchdev_port_attr_get = rocker_port_attr_get,
.switchdev_port_stp_update = rocker_port_switchdev_port_stp_update,
.switchdev_fib_ipv4_add = rocker_port_switchdev_fib_ipv4_add,
.switchdev_fib_ipv4_del = rocker_port_switchdev_fib_ipv4_del,