IB/ipoib: Let lower driver handle get_stats64 call

The driver checks if the lower level driver supports get_stats, and if
so calls it to get the updated statistics, otherwise takes from the
current netdevice stats object.

Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Reviewed-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 3e2b7988ead81ba42f005ab219ca77b88f05873a..70dacaf9044ecdd7b6c0be0ba20cd913cb66a4d4 100644 (file)
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -276,6 +276,17 @@ static int ipoib_change_mtu(struct net_device *dev, int new_mtu)
        return ret;
 }
 
+static void ipoib_get_stats(struct net_device *dev,
+                           struct rtnl_link_stats64 *stats)
+{
+       struct ipoib_dev_priv *priv = ipoib_priv(dev);
+
+       if (priv->rn_ops->ndo_get_stats64)
+               priv->rn_ops->ndo_get_stats64(dev, stats);
+       else
+               netdev_stats_to_stats64(stats, &dev->stats);
+}
+
 /* Called with an RCU read lock taken */
 static bool ipoib_is_dev_match_addr_rcu(const struct sockaddr *addr,
                                        struct net_device *dev)
@@ -1823,6 +1834,7 @@ static const struct net_device_ops ipoib_netdev_ops_pf = {
        .ndo_get_vf_stats        = ipoib_get_vf_stats,
        .ndo_set_vf_guid         = ipoib_set_vf_guid,
        .ndo_set_mac_address     = ipoib_set_mac,
+       .ndo_get_stats64         = ipoib_get_stats,
 };
 
 static const struct net_device_ops ipoib_netdev_ops_vf = {