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authorHadar Hen Zion2012-07-05 06:03:48 +0200
committerDavid S. Miller2012-07-08 01:23:06 +0200
commit592e49dda8122ab621cdc59cc429bdb968ee6364 (patch)
tree285ab049c09b7fd6a1614e869f2ceac3cfb73961 /drivers/net/ethernet/mellanox/mlx4/en_netdev.c
parentnet/mlx4_core: Add resource tracking for device managed flow steering rules (diff)
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net/mlx4: Implement promiscuous mode with device managed flow-steering
The device managed flow steering API has three promiscuous modes: 1. Uplink - captures all the packets that arrive to the port. 2. Allmulti - captures all multicast packets arriving to the port. 3. Function port - for future use, this mode is not implemented yet. Use these modes with the flow_attach and flow_detach firmware commands according to the promiscuous state of the netdevice. Signed-off-by: Hadar Hen Zion <hadarh@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/en_netdev.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_netdev.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index eb5ed8e39873..b7945a80ad15 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -301,6 +301,16 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
/* Enable promiscouos mode */
switch (mdev->dev->caps.steering_mode) {
+ case MLX4_STEERING_MODE_DEVICE_MANAGED:
+ err = mlx4_flow_steer_promisc_add(mdev->dev,
+ priv->port,
+ priv->base_qpn,
+ MLX4_FS_PROMISC_UPLINK);
+ if (err)
+ en_err(priv, "Failed enabling promiscuous mode\n");
+ priv->flags |= MLX4_EN_FLAG_MC_PROMISC;
+ break;
+
case MLX4_STEERING_MODE_B0:
err = mlx4_unicast_promisc_add(mdev->dev,
priv->base_qpn,
@@ -357,6 +367,15 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
/* Disable promiscouos mode */
switch (mdev->dev->caps.steering_mode) {
+ case MLX4_STEERING_MODE_DEVICE_MANAGED:
+ err = mlx4_flow_steer_promisc_remove(mdev->dev,
+ priv->port,
+ MLX4_FS_PROMISC_UPLINK);
+ if (err)
+ en_err(priv, "Failed disabling promiscuous mode\n");
+ priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC;
+ break;
+
case MLX4_STEERING_MODE_B0:
err = mlx4_unicast_promisc_remove(mdev->dev,
priv->base_qpn,
@@ -399,6 +418,13 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
/* Add the default qp number as multicast promisc */
if (!(priv->flags & MLX4_EN_FLAG_MC_PROMISC)) {
switch (mdev->dev->caps.steering_mode) {
+ case MLX4_STEERING_MODE_DEVICE_MANAGED:
+ err = mlx4_flow_steer_promisc_add(mdev->dev,
+ priv->port,
+ priv->base_qpn,
+ MLX4_FS_PROMISC_ALL_MULTI);
+ break;
+
case MLX4_STEERING_MODE_B0:
err = mlx4_multicast_promisc_add(mdev->dev,
priv->base_qpn,
@@ -416,6 +442,12 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
/* Disable Multicast promisc */
if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) {
switch (mdev->dev->caps.steering_mode) {
+ case MLX4_STEERING_MODE_DEVICE_MANAGED:
+ err = mlx4_flow_steer_promisc_remove(mdev->dev,
+ priv->port,
+ MLX4_FS_PROMISC_ALL_MULTI);
+ break;
+
case MLX4_STEERING_MODE_B0:
err = mlx4_multicast_promisc_remove(mdev->dev,
priv->base_qpn,
@@ -839,6 +871,15 @@ int mlx4_en_start_port(struct net_device *dev)
/* Must redo promiscuous mode setup. */
priv->flags &= ~(MLX4_EN_FLAG_PROMISC | MLX4_EN_FLAG_MC_PROMISC);
+ if (mdev->dev->caps.steering_mode ==
+ MLX4_STEERING_MODE_DEVICE_MANAGED) {
+ mlx4_flow_steer_promisc_remove(mdev->dev,
+ priv->port,
+ MLX4_FS_PROMISC_UPLINK);
+ mlx4_flow_steer_promisc_remove(mdev->dev,
+ priv->port,
+ MLX4_FS_PROMISC_ALL_MULTI);
+ }
/* Schedule multicast task to populate multicast list */
queue_work(mdev->workqueue, &priv->mcast_task);