1# SPDX-License-Identifier: GPL-2.0-only 2# 3# Mellanox driver configuration 4# 5 6config MLX5_CORE 7 tristate "Mellanox 5th generation network adapters (ConnectX series) core driver" 8 depends on PCI 9 select AUXILIARY_BUS 10 select NET_DEVLINK 11 depends on VXLAN || !VXLAN 12 depends on MLXFW || !MLXFW 13 depends on PTP_1588_CLOCK_OPTIONAL 14 depends on PCI_HYPERV_INTERFACE || !PCI_HYPERV_INTERFACE 15 depends on HWMON || !HWMON 16 help 17 Core driver for low level functionality of the ConnectX-4 and 18 Connect-IB cards by Mellanox Technologies. 19 20config MLX5_FPGA 21 bool "Mellanox Technologies Innova support" 22 depends on MLX5_CORE 23 help 24 Build support for the Innova family of network cards by Mellanox 25 Technologies. Innova network cards are comprised of a ConnectX chip 26 and an FPGA chip on one board. If you select this option, the 27 mlx5_core driver will include the Innova FPGA core and allow building 28 sandbox-specific client drivers. 29 30config MLX5_CORE_EN 31 bool "Mellanox 5th generation network adapters (ConnectX series) Ethernet support" 32 depends on NETDEVICES && ETHERNET && INET && PCI && MLX5_CORE 33 select PAGE_POOL 34 select DIMLIB 35 help 36 Ethernet support in Mellanox Technologies ConnectX-4 NIC. 37 38config MLX5_EN_ARFS 39 bool "Mellanox MLX5 ethernet accelerated receive flow steering (ARFS) support" 40 depends on MLX5_CORE_EN && RFS_ACCEL 41 default y 42 help 43 Mellanox MLX5 ethernet hardware-accelerated receive flow steering support, 44 Enables ethernet netdevice arfs support and ntuple filtering. 45 46config MLX5_EN_RXNFC 47 bool "Mellanox MLX5 ethernet rx nfc flow steering support" 48 depends on MLX5_CORE_EN 49 default y 50 help 51 Mellanox MLX5 ethernet rx nfc flow steering support 52 Enables ethtool receive network flow classification, which allows user defined 53 flow rules to direct traffic into arbitrary rx queue via ethtool set/get_rxnfc 54 API. 55 56config MLX5_MPFS 57 bool "Mellanox Technologies MLX5 MPFS support" 58 depends on MLX5_CORE_EN 59 default y 60 help 61 Mellanox Technologies Ethernet Multi-Physical Function Switch (MPFS) 62 support in ConnectX NIC. MPFs is required for when multi-PF configuration 63 is enabled to allow passing user configured unicast MAC addresses to the 64 requesting PF. 65 66config MLX5_ESWITCH 67 bool "Mellanox Technologies MLX5 SRIOV E-Switch support" 68 depends on MLX5_CORE_EN && NET_SWITCHDEV 69 default y 70 help 71 Mellanox Technologies Ethernet SRIOV E-Switch support in ConnectX NIC. 72 E-Switch provides internal SRIOV packet steering and switching for the 73 enabled VFs and PF in two available modes: 74 Legacy SRIOV mode (L2 mac vlan steering based). 75 Switchdev mode (eswitch offloads). 76 77config MLX5_BRIDGE 78 bool 79 depends on MLX5_ESWITCH && BRIDGE 80 default y 81 help 82 mlx5 ConnectX offloads support for Ethernet Bridging (BRIDGE). 83 Enable adding representors of mlx5 uplink and VF ports to Bridge and 84 offloading rules for traffic between such ports. Supports VLANs (trunk and 85 access modes). 86 87config MLX5_CLS_ACT 88 bool "MLX5 TC classifier action support" 89 depends on MLX5_ESWITCH && NET_CLS_ACT && NET_TC_SKB_EXT 90 default y 91 help 92 mlx5 ConnectX offloads support for TC classifier action (NET_CLS_ACT), 93 works in both native NIC mode and Switchdev SRIOV mode. 94 Actions get attached to a Hardware offloaded classifiers and are 95 invoked after a successful classification. Actions are used to 96 overwrite the classification result, instantly drop or redirect and/or 97 reformat packets in wire speeds without involving the host cpu. 98 99 If set to N, TC offloads in both NIC and switchdev modes will be disabled. 100 If unsure, set to Y 101 102config MLX5_TC_CT 103 bool "MLX5 TC connection tracking offload support" 104 depends on MLX5_CLS_ACT && NF_FLOW_TABLE && NET_ACT_CT 105 default y 106 help 107 Say Y here if you want to support offloading connection tracking rules 108 via tc ct action. 109 110 If unsure, set to Y 111 112config MLX5_TC_SAMPLE 113 bool "MLX5 TC sample offload support" 114 depends on MLX5_CLS_ACT 115 depends on PSAMPLE=y || PSAMPLE=n || MLX5_CORE=m 116 default y 117 help 118 Say Y here if you want to support offloading sample rules via tc 119 sample action. 120 If set to N, will not be able to configure tc rules with sample 121 action. 122 123 If unsure, set to Y 124 125config MLX5_CORE_EN_DCB 126 bool "Data Center Bridging (DCB) Support" 127 default y 128 depends on MLX5_CORE_EN && DCB 129 help 130 Say Y here if you want to use Data Center Bridging (DCB) in the 131 driver. 132 If set to N, will not be able to configure QoS and ratelimit attributes. 133 This flag is depended on the kernel's DCB support. 134 135 If unsure, set to Y 136 137config MLX5_CORE_IPOIB 138 bool "Mellanox 5th generation network adapters (connectX series) IPoIB offloads support" 139 depends on MLX5_CORE_EN 140 help 141 MLX5 IPoIB offloads & acceleration support. 142 143config MLX5_MACSEC 144 bool "Connect-X support for MACSec offload" 145 depends on MLX5_CORE_EN 146 depends on MACSEC 147 default n 148 help 149 Build support for MACsec cryptography-offload acceleration in the NIC. 150 151config MLX5_EN_IPSEC 152 bool "Mellanox Technologies IPsec Connect-X support" 153 depends on MLX5_CORE_EN 154 depends on XFRM_OFFLOAD 155 depends on INET_ESP_OFFLOAD || INET6_ESP_OFFLOAD 156 help 157 Build support for IPsec cryptography-offload acceleration in the NIC. 158 159config MLX5_EN_TLS 160 bool "Mellanox Technologies TLS Connect-X support" 161 depends on TLS_DEVICE 162 depends on TLS=y || MLX5_CORE=m 163 depends on MLX5_CORE_EN 164 help 165 Build support for TLS cryptography-offload acceleration in the NIC. 166 167config MLX5_SW_STEERING 168 bool "Mellanox Technologies software-managed steering" 169 depends on MLX5_CORE_EN && MLX5_ESWITCH 170 select CRC32 171 default y 172 help 173 Build support for software-managed steering in the NIC. 174 175config MLX5_HW_STEERING 176 bool "Mellanox Technologies hardware-managed steering" 177 depends on MLX5_CORE_EN && MLX5_ESWITCH 178 default y 179 help 180 Build support for Hardware-Managed Flow Steering (HMFS) in the NIC. 181 HMFS is a new approach to managing steering rules where STEs are 182 written to ICM by HW (as opposed to SW in software-managed steering), 183 which allows higher rate of rule insertion. 184 185config MLX5_SF 186 bool "Mellanox Technologies subfunction device support using auxiliary device" 187 depends on MLX5_CORE && MLX5_CORE_EN 188 help 189 Build support for subfuction device in the NIC. A Mellanox subfunction 190 device can support RDMA, netdevice and vdpa device. 191 It is similar to a SRIOV VF but it doesn't require SRIOV support. 192 193config MLX5_SF_MANAGER 194 bool 195 depends on MLX5_SF && MLX5_ESWITCH 196 default y 197 help 198 Build support for subfuction port in the NIC. A Mellanox subfunction 199 port is managed through devlink. A subfunction supports RDMA, netdevice 200 and vdpa device. It is similar to a SRIOV VF but it doesn't require 201 SRIOV support. 202 203config MLX5_DPLL 204 tristate "Mellanox 5th generation network adapters (ConnectX series) DPLL support" 205 depends on NETDEVICES && ETHERNET && PCI && MLX5_CORE 206 select DPLL 207 help 208 DPLL support in Mellanox Technologies ConnectX NICs. 209 210