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/openbmc/linux/drivers/net/ethernet/mellanox/mlx5/core/
H A Den_stats.cf007c13d Tue Mar 20 10:15:31 CDT 2018 Natali Shechtman <natali@mellanox.com> net/mlx5e: Set ECN for received packets using CQE indication

In multi-host (MH) NIC scheme, a single HW port serves multiple hosts
or sockets on the same host.
The HW uses a mechanism in the PCIe buffer which monitors
the amount of consumed PCIe buffers per host.
On a certain configuration, under congestion,
the HW emulates a switch doing ECN marking on packets using ECN
indication on the completion descriptor (CQE).

The driver needs to set the ECN bits on the packet SKB,
such that the network stack can react on that, this commit does that.

Signed-off-by: Natali Shechtman <natali@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
f007c13d Tue Mar 20 10:15:31 CDT 2018 Natali Shechtman <natali@mellanox.com> net/mlx5e: Set ECN for received packets using CQE indication

In multi-host (MH) NIC scheme, a single HW port serves multiple hosts
or sockets on the same host.
The HW uses a mechanism in the PCIe buffer which monitors
the amount of consumed PCIe buffers per host.
On a certain configuration, under congestion,
the HW emulates a switch doing ECN marking on packets using ECN
indication on the completion descriptor (CQE).

The driver needs to set the ECN bits on the packet SKB,
such that the network stack can react on that, this commit does that.

Signed-off-by: Natali Shechtman <natali@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
H A Den_stats.hf007c13d Tue Mar 20 10:15:31 CDT 2018 Natali Shechtman <natali@mellanox.com> net/mlx5e: Set ECN for received packets using CQE indication

In multi-host (MH) NIC scheme, a single HW port serves multiple hosts
or sockets on the same host.
The HW uses a mechanism in the PCIe buffer which monitors
the amount of consumed PCIe buffers per host.
On a certain configuration, under congestion,
the HW emulates a switch doing ECN marking on packets using ECN
indication on the completion descriptor (CQE).

The driver needs to set the ECN bits on the packet SKB,
such that the network stack can react on that, this commit does that.

Signed-off-by: Natali Shechtman <natali@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
f007c13d Tue Mar 20 10:15:31 CDT 2018 Natali Shechtman <natali@mellanox.com> net/mlx5e: Set ECN for received packets using CQE indication

In multi-host (MH) NIC scheme, a single HW port serves multiple hosts
or sockets on the same host.
The HW uses a mechanism in the PCIe buffer which monitors
the amount of consumed PCIe buffers per host.
On a certain configuration, under congestion,
the HW emulates a switch doing ECN marking on packets using ECN
indication on the completion descriptor (CQE).

The driver needs to set the ECN bits on the packet SKB,
such that the network stack can react on that, this commit does that.

Signed-off-by: Natali Shechtman <natali@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
H A Den_rx.cf007c13d Tue Mar 20 10:15:31 CDT 2018 Natali Shechtman <natali@mellanox.com> net/mlx5e: Set ECN for received packets using CQE indication

In multi-host (MH) NIC scheme, a single HW port serves multiple hosts
or sockets on the same host.
The HW uses a mechanism in the PCIe buffer which monitors
the amount of consumed PCIe buffers per host.
On a certain configuration, under congestion,
the HW emulates a switch doing ECN marking on packets using ECN
indication on the completion descriptor (CQE).

The driver needs to set the ECN bits on the packet SKB,
such that the network stack can react on that, this commit does that.

Signed-off-by: Natali Shechtman <natali@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
f007c13d Tue Mar 20 10:15:31 CDT 2018 Natali Shechtman <natali@mellanox.com> net/mlx5e: Set ECN for received packets using CQE indication

In multi-host (MH) NIC scheme, a single HW port serves multiple hosts
or sockets on the same host.
The HW uses a mechanism in the PCIe buffer which monitors
the amount of consumed PCIe buffers per host.
On a certain configuration, under congestion,
the HW emulates a switch doing ECN marking on packets using ECN
indication on the completion descriptor (CQE).

The driver needs to set the ECN bits on the packet SKB,
such that the network stack can react on that, this commit does that.

Signed-off-by: Natali Shechtman <natali@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>