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[net,2/3] net/mlx4_en: Handle vxlan steering rules for mac address changes

Message ID 1394637392-31104-3-git-send-email-ogerlitz@mellanox.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Or Gerlitz March 12, 2014, 3:16 p.m. UTC 
When the device mac address is changed, we must deregister the vxlan
steering rule associated with the previous mac, and register a new
steering rule using the new mac.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlx4/en_netdev.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
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Patch

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index fad4531..ba21261 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -742,6 +742,14 @@  static int mlx4_en_replace_mac(struct mlx4_en_priv *priv, int qpn,
 				err = mlx4_en_uc_steer_add(priv, new_mac,
 							   &qpn,
 							   &entry->reg_id);
+				if (err)
+					return err;
+				if (priv->tunnel_reg_id) {
+					mlx4_flow_detach(priv->mdev->dev, priv->tunnel_reg_id);
+					priv->tunnel_reg_id = 0;
+				}
+				err = mlx4_en_tunnel_steer_add(priv, new_mac, qpn,
+							       &priv->tunnel_reg_id);
 				return err;
 			}
 		}