net/mlx5: Update Kconfig parameter documentation
Provide information for Kconfig flags defined but not documented till this patch series for the mlx5 driver. Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com> Reviewed-by: Gal Pressman <gal@nvidia.com> Reviewed-by: Tariq Toukan <tariqt@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Rahul Rameshbabu
Saeed Mahameed
Родитель
f2d51e5793
Коммит
a12ba19269
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@ -13,6 +13,14 @@ Enabling the driver and kconfig options
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| CONFIG_MLX5_CORE=y/m and CONFIG_MLX5_CORE_EN=y.
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| For the list of advanced features, please see below.
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**CONFIG_MLX5_BRIDGE=(y/n)**
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| Enable :ref:`Ethernet Bridging (BRIDGE) offloading support <mlx5_bridge_offload>`.
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| This will provide the ability to add representors of mlx5 uplink and VF
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| ports to Bridge and offloading rules for traffic between such ports.
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| Supports VLANs (trunk and access modes).
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**CONFIG_MLX5_CORE=(y/m/n)** (module mlx5_core.ko)
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| The driver can be enabled by choosing CONFIG_MLX5_CORE=y/m in kernel config.
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@ -26,10 +34,42 @@ Enabling the driver and kconfig options
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| built-in into mlx5_core.ko.
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**CONFIG_MLX5_CORE_EN_DCB=(y/n)**:
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| Enables `Data Center Bridging (DCB) Support <https://community.mellanox.com/s/article/howto-auto-config-pfc-and-ets-on-connectx-4-via-lldp-dcbx>`_.
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**CONFIG_MLX5_CORE_IPOIB=(y/n)**
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| IPoIB offloads & acceleration support.
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| Requires CONFIG_MLX5_CORE_EN to provide an accelerated interface for the rdma
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| IPoIB ulp netdevice.
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**CONFIG_MLX5_CLS_ACT=(y/n)**
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| Enables offload support for TC classifier action (NET_CLS_ACT).
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| Works in both native NIC mode and Switchdev SRIOV mode.
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| Flow-based classifiers, such as those registered through
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| `tc-flower(8)`, are processed by the device, rather than the
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| host. Actions that would then overwrite matching classification
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| results would then be instant due to the offload.
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**CONFIG_MLX5_EN_ARFS=(y/n)**
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| Enables Hardware-accelerated receive flow steering (arfs) support, and ntuple filtering.
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| https://community.mellanox.com/s/article/howto-configure-arfs-on-connectx-4
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| Enables Hardware-accelerated receive flow steering (arfs) support, and ntuple filtering.
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| https://community.mellanox.com/s/article/howto-configure-arfs-on-connectx-4
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**CONFIG_MLX5_EN_IPSEC=(y/n)**
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| Enables `IPSec XFRM cryptography-offload acceleration <https://support.mellanox.com/s/article/ConnectX-6DX-Bluefield-2-IPsec-HW-Full-Offload-Configuration-Guide>`_.
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**CONFIG_MLX5_EN_MACSEC=(y/n)**
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| Build support for MACsec cryptography-offload acceleration in the NIC.
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**CONFIG_MLX5_EN_RXNFC=(y/n)**
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@ -38,16 +78,9 @@ Enabling the driver and kconfig options
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| flow rules to direct traffic into arbitrary rx queue via ethtool set/get_rxnfc API.
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**CONFIG_MLX5_CORE_EN_DCB=(y/n)**:
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**CONFIG_MLX5_EN_TLS=(y/n)**
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| Enables `Data Center Bridging (DCB) Support <https://community.mellanox.com/s/article/howto-auto-config-pfc-and-ets-on-connectx-4-via-lldp-dcbx>`_.
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**CONFIG_MLX5_MPFS=(y/n)**
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| Ethernet Multi-Physical Function Switch (MPFS) support in ConnectX NIC.
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| MPFs is required for when `Multi-Host <http://www.mellanox.com/page/multihost>`_ configuration is enabled to allow passing
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| user configured unicast MAC addresses to the requesting PF.
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| TLS cryptography-offload acceleration.
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**CONFIG_MLX5_ESWITCH=(y/n)**
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@ -58,13 +91,6 @@ Enabling the driver and kconfig options
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| 2) `Switchdev mode (eswitch offloads) <https://www.mellanox.com/related-docs/prod_software/ASAP2_Hardware_Offloading_for_vSwitches_User_Manual_v4.4.pdf>`_.
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**CONFIG_MLX5_CORE_IPOIB=(y/n)**
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| IPoIB offloads & acceleration support.
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| Requires CONFIG_MLX5_CORE_EN to provide an accelerated interface for the rdma
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| IPoIB ulp netdevice.
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**CONFIG_MLX5_FPGA=(y/n)**
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| Build support for the Innova family of network cards by Mellanox Technologies.
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@ -73,27 +99,70 @@ Enabling the driver and kconfig options
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| building sandbox-specific client drivers.
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**CONFIG_MLX5_EN_IPSEC=(y/n)**
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| Enables `IPSec XFRM cryptography-offload acceleration <http://www.mellanox.com/related-docs/prod_software/Mellanox_Innova_IPsec_Ethernet_Adapter_Card_User_Manual.pdf>`_.
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**CONFIG_MLX5_EN_TLS=(y/n)**
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| TLS cryptography-offload acceleration.
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**CONFIG_MLX5_INFINIBAND=(y/n/m)** (module mlx5_ib.ko)
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| Provides low-level InfiniBand/RDMA and `RoCE <https://community.mellanox.com/s/article/recommended-network-configuration-examples-for-roce-deployment>`_ support.
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| Provides low-level InfiniBand/RDMA and `RoCE <https://community.mellanox.com/s/article/recommended-network-configuration-examples-for-roce-deployment>`_ support.
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**CONFIG_MLX5_MPFS=(y/n)**
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| Ethernet Multi-Physical Function Switch (MPFS) support in ConnectX NIC.
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| MPFs is required for when `Multi-Host <http://www.mellanox.com/page/multihost>`_ configuration is enabled to allow passing
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| user configured unicast MAC addresses to the requesting PF.
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**CONFIG_MLX5_SF=(y/n)**
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| Build support for subfunction.
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| Subfunctons are more light weight than PCI SRIOV VFs. Choosing this option
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| will enable support for creating subfunction devices.
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| Build support for subfunction.
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| Subfunctons are more light weight than PCI SRIOV VFs. Choosing this option
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| will enable support for creating subfunction devices.
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**CONFIG_MLX5_SF_MANAGER=(y/n)**
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| Build support for subfuction port in the NIC. A Mellanox subfunction
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| port is managed through devlink. A subfunction supports RDMA, netdevice
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| and vdpa device. It is similar to a SRIOV VF but it doesn't require
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| SRIOV support.
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**CONFIG_MLX5_SW_STEERING=(y/n)**
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| Build support for software-managed steering in the NIC.
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**CONFIG_MLX5_TC_CT=(y/n)**
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| Support offloading connection tracking rules via tc ct action.
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**CONFIG_MLX5_TC_SAMPLE=(y/n)**
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| Support offloading sample rules via tc sample action.
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**CONFIG_MLX5_VDPA=(y/n)**
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| Support library for Mellanox VDPA drivers. Provides code that is
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| common for all types of VDPA drivers. The following drivers are planned:
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| net, block.
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**CONFIG_MLX5_VDPA_NET=(y/n)**
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| VDPA network driver for ConnectX6 and newer. Provides offloading
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| of virtio net datapath such that descriptors put on the ring will
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| be executed by the hardware. It also supports a variety of stateless
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| offloads depending on the actual device used and firmware version.
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**CONFIG_MLX5_VFIO_PCI=(y/n)**
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| This provides migration support for MLX5 devices using the VFIO framework.
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**External options** ( Choose if the corresponding mlx5 feature is required )
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- CONFIG_MLXFW: When chosen, mlx5 firmware flashing support will be enabled (via devlink and ethtool).
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- CONFIG_PTP_1588_CLOCK: When chosen, mlx5 ptp support will be enabled
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- CONFIG_VXLAN: When chosen, mlx5 vxlan support will be enabled.
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- CONFIG_MLXFW: When chosen, mlx5 firmware flashing support will be enabled (via devlink and ethtool).
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@ -7,6 +7,8 @@ Switchdev
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:Copyright: |copy| 2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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.. _mlx5_bridge_offload:
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Bridge offload
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==============
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