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# SPDX-License-Identifier: GPL-2.0-only
#
# Mellanox driver configuration
#
config MLX5_CORE
tristate "Mellanox 5th generation network adapters (ConnectX series) core driver"
depends on PCI
select AUXILIARY_BUS
select NET_DEVLINK
depends on VXLAN || !VXLAN
depends on MLXFW || !MLXFW
depends on PTP_1588_CLOCK_OPTIONAL
depends on PCI_HYPERV_INTERFACE || !PCI_HYPERV_INTERFACE
help
Core driver for low level functionality of the ConnectX-4 and
Connect-IB cards by Mellanox Technologies.
config MLX5_ACCEL
bool
config MLX5_FPGA
bool "Mellanox Technologies Innova support"
depends on MLX5_CORE
select MLX5_ACCEL
help
Build support for the Innova family of network cards by Mellanox
Technologies. Innova network cards are comprised of a ConnectX chip
and an FPGA chip on one board. If you select this option, the
mlx5_core driver will include the Innova FPGA core and allow building
sandbox-specific client drivers.
config MLX5_CORE_EN
bool "Mellanox 5th generation network adapters (ConnectX series) Ethernet support"
depends on NETDEVICES && ETHERNET && INET && PCI && MLX5_CORE
select PAGE_POOL
select DIMLIB
help
Ethernet support in Mellanox Technologies ConnectX-4 NIC.
config MLX5_EN_ARFS
bool "Mellanox MLX5 ethernet accelerated receive flow steering (ARFS) support"
depends on MLX5_CORE_EN && RFS_ACCEL
default y
help
Mellanox MLX5 ethernet hardware-accelerated receive flow steering support,
Enables ethernet netdevice arfs support and ntuple filtering.
config MLX5_EN_RXNFC
bool "Mellanox MLX5 ethernet rx nfc flow steering support"
depends on MLX5_CORE_EN
default y
help
Mellanox MLX5 ethernet rx nfc flow steering support
Enables ethtool receive network flow classification, which allows user defined
flow rules to direct traffic into arbitrary rx queue via ethtool set/get_rxnfc
API.
config MLX5_MPFS
bool "Mellanox Technologies MLX5 MPFS support"
depends on MLX5_CORE_EN
default y
help
Mellanox Technologies Ethernet Multi-Physical Function Switch (MPFS)
support in ConnectX NIC. MPFs is required for when multi-PF configuration
is enabled to allow passing user configured unicast MAC addresses to the
requesting PF.
config MLX5_ESWITCH
bool "Mellanox Technologies MLX5 SRIOV E-Switch support"
depends on MLX5_CORE_EN && NET_SWITCHDEV
default y
help
Mellanox Technologies Ethernet SRIOV E-Switch support in ConnectX NIC.
E-Switch provides internal SRIOV packet steering and switching for the
enabled VFs and PF in two available modes:
Legacy SRIOV mode (L2 mac vlan steering based).
Switchdev mode (eswitch offloads).
config MLX5_BRIDGE
bool
depends on MLX5_ESWITCH && BRIDGE
default y
help
mlx5 ConnectX offloads support for Ethernet Bridging (BRIDGE).
Enable adding representors of mlx5 uplink and VF ports to Bridge and
offloading rules for traffic between such ports. Supports VLANs (trunk and
access modes).
config MLX5_CLS_ACT
bool "MLX5 TC classifier action support"
depends on MLX5_ESWITCH && NET_CLS_ACT
default y
help
mlx5 ConnectX offloads support for TC classifier action (NET_CLS_ACT),
works in both native NIC mode and Switchdev SRIOV mode.
Actions get attached to a Hardware offloaded classifiers and are
invoked after a successful classification. Actions are used to
overwrite the classification result, instantly drop or redirect and/or
reformat packets in wire speeds without involving the host cpu.
If set to N, TC offloads in both NIC and switchdev modes will be disabled.
If unsure, set to Y
config MLX5_TC_CT
bool "MLX5 TC connection tracking offload support"
depends on MLX5_CLS_ACT && NF_FLOW_TABLE && NET_ACT_CT && NET_TC_SKB_EXT
default y
help
Say Y here if you want to support offloading connection tracking rules
via tc ct action.
If unsure, set to Y
config MLX5_TC_SAMPLE
bool "MLX5 TC sample offload support"
depends on MLX5_CLS_ACT
default y
help
Say Y here if you want to support offloading sample rules via tc
sample action.
If set to N, will not be able to configure tc rules with sample
action.
If unsure, set to Y
config MLX5_CORE_EN_DCB
bool "Data Center Bridging (DCB) Support"
default y
depends on MLX5_CORE_EN && DCB
help
Say Y here if you want to use Data Center Bridging (DCB) in the
driver.
If set to N, will not be able to configure QoS and ratelimit attributes.
This flag is depended on the kernel's DCB support.
If unsure, set to Y
config MLX5_CORE_IPOIB
bool "Mellanox 5th generation network adapters (connectX series) IPoIB offloads support"
depends on MLX5_CORE_EN
help
MLX5 IPoIB offloads & acceleration support.
config MLX5_FPGA_IPSEC
bool "Mellanox Technologies IPsec Innova support"
depends on MLX5_CORE
depends on MLX5_FPGA
help
Build IPsec support for the Innova family of network cards by Mellanox
Technologies. Innova network cards are comprised of a ConnectX chip
and an FPGA chip on one board. If you select this option, the
mlx5_core driver will include the Innova FPGA core and allow building
sandbox-specific client drivers.
config MLX5_IPSEC
bool "Mellanox Technologies IPsec Connect-X support"
depends on MLX5_CORE_EN
depends on XFRM_OFFLOAD
depends on INET_ESP_OFFLOAD || INET6_ESP_OFFLOAD
select MLX5_ACCEL
help
Build IPsec support for the Connect-X family of network cards by Mellanox
Technologies.
Note: If you select this option, the mlx5_core driver will include
IPsec support for the Connect-X family.
config MLX5_EN_IPSEC
bool "IPSec XFRM cryptography-offload acceleration"
depends on MLX5_CORE_EN
depends on XFRM_OFFLOAD
depends on INET_ESP_OFFLOAD || INET6_ESP_OFFLOAD
depends on MLX5_FPGA_IPSEC || MLX5_IPSEC
help
Build support for IPsec cryptography-offload acceleration in the NIC.
Note: Support for hardware with this capability needs to be selected
for this option to become available.
config MLX5_FPGA_TLS
bool "Mellanox Technologies TLS Innova support"
depends on TLS_DEVICE
depends on TLS=y || MLX5_CORE=m
depends on MLX5_CORE_EN
depends on MLX5_FPGA
select MLX5_EN_TLS
help
Build TLS support for the Innova family of network cards by Mellanox
Technologies. Innova network cards are comprised of a ConnectX chip
and an FPGA chip on one board. If you select this option, the
mlx5_core driver will include the Innova FPGA core and allow building
sandbox-specific client drivers.
config MLX5_TLS
bool "Mellanox Technologies TLS Connect-X support"
depends on TLS_DEVICE
depends on TLS=y || MLX5_CORE=m
depends on MLX5_CORE_EN
select MLX5_ACCEL
select MLX5_EN_TLS
help
Build TLS support for the Connect-X family of network cards by Mellanox
Technologies.
config MLX5_EN_TLS
bool
help
Build support for TLS cryptography-offload acceleration in the NIC.
Note: Support for hardware with this capability needs to be selected
for this option to become available.
config MLX5_SW_STEERING
bool "Mellanox Technologies software-managed steering"
depends on MLX5_CORE_EN && MLX5_ESWITCH
select CRC32
default y
help
Build support for software-managed steering in the NIC.
config MLX5_SF
bool "Mellanox Technologies subfunction device support using auxiliary device"
depends on MLX5_CORE && MLX5_CORE_EN
help
Build support for subfuction device in the NIC. A Mellanox subfunction
device can support RDMA, netdevice and vdpa device.
It is similar to a SRIOV VF but it doesn't require SRIOV support.
config MLX5_SF_MANAGER
bool
depends on MLX5_SF && MLX5_ESWITCH
default y
help
Build support for subfuction port in the NIC. A Mellanox subfunction
port is managed through devlink. A subfunction supports RDMA, netdevice
and vdpa device. It is similar to a SRIOV VF but it doesn't require
SRIOV support.
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