summaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
diff options
context:
space:
mode:
authorJack Morgenstein2014-05-27 08:26:38 +0200
committerDavid S. Miller2014-05-31 01:57:52 +0200
commit111c6094bd7731cb1a415b2ea7d450fa23d6857c (patch)
tree2f56a2490bdf14350b36dead3a521e087bbea09c /drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
parentemac: aggregation of v1-2 PLB errors for IER register (diff)
downloadkernel-qcow2-linux-111c6094bd7731cb1a415b2ea7d450fa23d6857c.tar.gz
kernel-qcow2-linux-111c6094bd7731cb1a415b2ea7d450fa23d6857c.tar.xz
kernel-qcow2-linux-111c6094bd7731cb1a415b2ea7d450fa23d6857c.zip
net/mlx4_core: Reset RoCE VF gids when guest driver goes down
Reset the GIDs assigned to a VF in the port RoCE GID table when that guest goes down (either crashes or goes down cleanly). As part of this fix, we refactor the RoCE gid table driver copy, moving it to the mlx4_port_info structure (together with the MAC and VLAN tables). As with the MAC and VLAN tables, we now use a mutex per port for the GID table so that modifying the driver copy and modifying the firmware copy of a port GID table becomes an atomic operation (thus avoiding driver-copy/FW-copy mismatches). Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/resource_tracker.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/resource_tracker.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index 8f1254a79832..f16e539749c4 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -586,6 +586,7 @@ void mlx4_free_resource_tracker(struct mlx4_dev *dev,
}
/* free master's vlans */
i = dev->caps.function;
+ mlx4_reset_roce_gids(dev, i);
mutex_lock(&priv->mfunc.master.res_tracker.slave_list[i].mutex);
rem_slave_vlans(dev, i);
mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[i].mutex);
@@ -4681,7 +4682,7 @@ static void rem_slave_xrcdns(struct mlx4_dev *dev, int slave)
void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave)
{
struct mlx4_priv *priv = mlx4_priv(dev);
-
+ mlx4_reset_roce_gids(dev, slave);
mutex_lock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex);
rem_slave_vlans(dev, slave);
rem_slave_macs(dev, slave);