Network Interface Controller Drivers

• 1. Overview of Networking Drivers
• 2. Features Overview
  • 2.1. Speed capabilities
  • 2.2. Link speed configuration
  • 2.3. Link status
  • 2.4. Link status event
  • 2.5. Removal event
  • 2.6. Queue status event
  • 2.7. Rx interrupt
  • 2.8. Lock-free Tx queue
  • 2.9. Fast mbuf free
  • 2.10. Free Tx mbuf on demand
  • 2.11. Queue start/stop
  • 2.12. MTU update
  • 2.13. Scattered Rx
  • 2.14. Buffer split on Rx
  • 2.15. LRO
  • 2.16. TSO
  • 2.17. Promiscuous mode
  • 2.18. Allmulticast mode
  • 2.19. Unicast MAC filter
  • 2.20. Multicast MAC filter
  • 2.21. RSS hash
  • 2.22. Inner RSS
  • 2.23. RSS key update
  • 2.24. RSS reta update
  • 2.25. VMDq
  • 2.26. SR-IOV
  • 2.27. DCB
  • 2.28. VLAN filter
  • 2.29. Flow control
  • 2.30. Rate limitation
  • 2.31. Inline crypto
  • 2.32. Inline protocol
  • 2.33. CRC offload
  • 2.34. VLAN offload
  • 2.35. QinQ offload
  • 2.36. FEC
  • 2.37. IP reassembly
  • 2.38. L3 checksum offload
  • 2.39. L4 checksum offload
  • 2.40. Timestamp offload
  • 2.41. MACsec offload
  • 2.42. Inner L3 checksum
  • 2.43. Inner L4 checksum
  • 2.44. Shared Rx queue
  • 2.45. Packet type parsing
  • 2.46. Timesync
  • 2.47. Rx descriptor status
  • 2.48. Tx descriptor status
  • 2.49. Tx queue count
  • 2.50. Basic stats
  • 2.51. Extended stats
  • 2.52. Stats per queue
  • 2.53. Congestion management
  • 2.54. Traffic manager
  • 2.55. FW version
  • 2.56. EEPROM dump
  • 2.57. Module EEPROM dump
  • 2.58. Registers dump
  • 2.59. LED
  • 2.60. Multiprocess aware
  • 2.61. FreeBSD
  • 2.62. Linux
  • 2.63. Windows
  • 2.64. ARMv7
  • 2.65. ARMv8
  • 2.66. LoongArch64
  • 2.67. Power8
  • 2.68. rv64
  • 2.69. x86-32
  • 2.70. x86-64
  • 2.71. Usage doc
  • 2.72. Design doc
  • 2.73. Perf doc
  • 2.74. Runtime Rx queue setup
  • 2.75. Runtime Tx queue setup
  • 2.76. Burst mode info
  • 2.77. PMD power management using monitor addresses
  • 2.78. Other dev ops not represented by a Feature
• 3. Compiling and testing a PMD for a NIC
  • 3.1. Driver Compilation
  • 3.2. Running testpmd in Linux
• 4. AF_PACKET Poll Mode Driver
  • 4.1. Options and inherent limitations
  • 4.2. Prerequisites
  • 4.3. Set up an af_packet interface
  • 4.4. Features and Limitations
• 5. AF_XDP Poll Mode Driver
  • 5.1. Prerequisites
  • 5.2. Options
    • 5.2.1. iface
    • 5.2.2. start_queue
    • 5.2.3. queue_count
    • 5.2.4. shared_umem
    • 5.2.5. xdp_prog
    • 5.2.6. busy_budget
    • 5.2.7. force_copy
    • 5.2.8. use_cni
    • 5.2.9. use_pinned_map
    • 5.2.10. dp_path
  • 5.3. Limitations
• 6. ARK Poll Mode Driver
  • 6.1. Overview
  • 6.2. Device Parameters
  • 6.3. Data Path Interface
  • 6.4. Configuration Information
  • 6.5. Dynamic PMD Extension
    • 6.5.1. Extension Example
    • 6.5.2. Compiling Extension
    • 6.5.3. Enabling Extension
  • 6.6. Building DPDK
  • 6.7. Supported ARK RTL PCIe Instances
  • 6.8. Arkville RTL Core Configurations
  • 6.9. DPDK and Arkville Firmware Versioning
  • 6.10. Supported Operating Systems
  • 6.11. Supported Features
  • 6.12. Unsupported Features
  • 6.13. Pre-Requisites
  • 6.14. Usage Example
• 7. Aquantia Atlantic DPDK Driver
  • 7.1. Supported Chipsets and NICs
  • 7.2. Supported features
  • 7.3. Experimental API features
  • 7.4. Limitations or Known issues
    • 7.4.1. MTU setting
• 8. AVP Poll Mode Driver
  • 8.1. Features and Limitations of the AVP PMD
  • 8.2. Prerequisites
  • 8.3. Launching a VM with an AVP type network attachment
• 9. AXGBE Poll Mode Driver
  • 9.1. Supported Features
  • 9.2. Building DPDK
  • 9.3. Prerequisites and Pre-conditions
  • 9.4. Usage Example
• 10. BNX2X Poll Mode Driver
  • 10.1. Supported Features
  • 10.2. Non-supported Features
  • 10.3. Co-existence considerations
  • 10.4. Supported QLogic NICs
  • 10.5. Prerequisites
  • 10.6. Pre-Installation Configuration
    • 10.6.1. Config Options
  • 10.7. Driver compilation and testing
  • 10.8. Jumbo: Limitation
  • 10.9. SR-IOV: Prerequisites and sample Application Notes
• 11. BNXT Poll Mode Driver
  • 11.1. CPU Support
  • 11.2. Kernel Dependency
  • 11.3. Running BNXT PMD
    • 11.3.1. Running on VF
    • 11.3.2. Running on PF
  • 11.4. Features
    • 11.4.1. Port Control
    • 11.4.2. Packet Filtering
    • 11.4.3. Stateless Offloads
    • 11.4.4. VLAN Insert/Strip
    • 11.4.5. Time Synchronization
    • 11.4.6. Statistics Collection
    • 11.4.7. Generic Flow Offload
  • 11.5. Flow APIs, Items, and Actions
  • 11.6. Flow Persistency
  • 11.7. Virtual Function Port Representors
  • 11.8. Application Support
    • 11.8.1. Firmware
    • 11.8.2. Multiple Processes
    • 11.8.3. Runtime Queue Setup
    • 11.8.4. Descriptor Status
    • 11.8.5. Bonding
  • 11.9. Vector Processing
  • 11.10. Performance Report
  • 11.11. Supported Network Adapters
    • 11.11.1. BCM57400 NetXtreme-E® Family of Ethernet Network Controllers
    • 11.11.2. BCM57500 NetXtreme-E® Family of Ethernet Network Controllers
  • 11.12. Supported Firmware Versions
  • 11.13. Supported APIs
    • 11.13.1. rte_eth APIs
    • 11.13.2. rte_flow APIs
    • 11.13.3. rte_flow Items
    • 11.13.4. rte_flow Actions
• 12. CNXK Poll Mode driver
  • 12.1. Features
  • 12.2. Prerequisites
  • 12.3. Driver compilation and testing
  • 12.4. Runtime Config Options
  • 12.5. Limitations
    • 12.5.1. mempool_cnxk external mempool handler dependency
    • 12.5.2. mempool_cnxk rte_mempool cache sizes for CN10K
    • 12.5.3. CRC stripping
    • 12.5.4. RTE flow GRE support
    • 12.5.5. RTE flow action represented_port support
    • 12.5.6. RTE flow action port_id support
    • 12.5.7. Custom protocols supported in RTE Flow
    • 12.5.8. RTE Flow mark item support
  • 12.6. Inline device support for CN10K
    • 12.6.1. Runtime Config Options for inline device
  • 12.7. Port Representors
  • 12.8. Debugging Options
• 13. CPFL Poll Mode Driver
  • 13.1. Linux Prerequisites
  • 13.2. Recommended Matching List
  • 13.3. Configuration
    • 13.3.1. Runtime Configuration
  • 13.4. Driver compilation and testing
  • 13.5. Features
    • 13.5.1. Vector PMD
    • 13.5.2. Hairpin queue
    • 13.5.3. Flow offload
• 14. CXGBE Poll Mode Driver
  • 14.1. Supported Chelsio T5 NICs
  • 14.2. Supported Chelsio T6 NICs
  • 14.3. Supported SR-IOV Chelsio NICs
  • 14.4. Features
  • 14.5. Prerequisites
  • 14.6. Runtime Configuration
    • 14.6.1. Common Runtime Options
    • 14.6.2. CXGBE VF Only Runtime Options
    • 14.6.3. CXGBE PF Only Runtime Options
  • 14.7. Driver compilation and testing
  • 14.8. Linux
    • 14.8.1. Linux Installation
    • 14.8.2. Running testpmd
    • 14.8.3. Configuring SR-IOV Virtual Functions
  • 14.9. FreeBSD
    • 14.9.1. FreeBSD Installation
    • 14.9.2. Running testpmd
  • 14.10. Sample Application Notes
    • 14.10.1. Enable/Disable Flow Control
    • 14.10.2. Jumbo Mode
  • 14.11. Hardware Configuration and Debugging
    • 14.11.1. Firmware Configuration File
  • 14.12. Limitations
• 15. DPAA Poll Mode Driver
  • 15.1. NXP DPAA (Data Path Acceleration Architecture - Gen 1)
    • 15.1.1. DPAA Overview
  • 15.2. DPAA DPDK - Poll Mode Driver Overview
    • 15.2.1. DPAA Bus driver
    • 15.2.2. DPAA NIC Driver (PMD)
    • 15.2.3. DPAA Mempool Driver
  • 15.3. Allowing & Blocking
  • 15.4. Supported DPAA SoCs
  • 15.5. Prerequisites
  • 15.6. Configuration
    • 15.6.1. Environment Variables
  • 15.7. Driver compilation and testing
  • 15.8. FMAN Config
    • 15.8.1. FMC - FMAN Configuration Tool
    • 15.8.2. FMLIB
    • 15.8.3. OH Port
    • 15.8.4. ONIC
    • 15.8.5. VSP (Virtual Storage Profile)
  • 15.9. Limitations
    • 15.9.1. Platform Requirement
    • 15.9.2. Maximum packet length
    • 15.9.3. Multiprocess Support
• 16. DPAA2 Poll Mode Driver
  • 16.1. NXP DPAA2 (Data Path Acceleration Architecture Gen2)
    • 16.1.1. DPAA2 Overview
    • 16.1.2. Overview of DPAA2 Objects
    • 16.1.3. DPAA2 Objects for an Ethernet Network Interface
    • 16.1.4. Object Connections
    • 16.1.5. Interrupts
  • 16.2. DPAA2 DPDK - Poll Mode Driver Overview
    • 16.2.1. DPAA2 bus driver
    • 16.2.2. DPIO driver
    • 16.2.3. DPBP based Mempool driver
    • 16.2.4. DPAA2 NIC Driver
  • 16.3. Supported DPAA2 SoCs
  • 16.4. Prerequisites
  • 16.5. Driver compilation and testing
  • 16.6. Enabling logs
  • 16.7. Allowing & Blocking
  • 16.8. Running secondary debug app without blocklist
  • 16.9. Limitations
    • 16.9.1. Platform Requirement
    • 16.9.2. Maximum packet length
    • 16.9.3. Other Limitations
  • 16.10. Traffic Management API
    • 16.10.1. Supported Features
    • 16.10.2. Usage example
• 17. Driver for VM Emulated Devices
  • 17.1. Validated Hypervisors
  • 17.2. Recommended Guest Operating System in Virtual Machine
  • 17.3. Setting Up a KVM Virtual Machine
  • 17.4. Known Limitations of Emulated Devices
• 18. ENA Poll Mode Driver
  • 18.1. Supported ENA adapters
  • 18.2. Supported features
  • 18.3. Overview
  • 18.4. Management Interface
  • 18.5. Data Path Interface
  • 18.6. Configuration
    • 18.6.1. Runtime Configuration
    • 18.6.2. ENA Configuration Parameters
  • 18.7. Building DPDK
  • 18.8. Supported Operating Systems
  • 18.9. Prerequisites
  • 18.10. Usage example
• 19. ENETC Poll Mode Driver
  • 19.1. ENETC Overview
  • 19.2. Supported ENETC SoCs
  • 19.3. ENETC Features
  • 19.4. NIC Driver (PMD)
  • 19.5. Prerequisites
  • 19.6. Driver compilation and testing
• 20. ENETFEC Poll Mode Driver
  • 20.1. ENETFEC Overview
  • 20.2. Supported ENETFEC SoCs
  • 20.3. ENETFEC Features
  • 20.4. Prerequisites
  • 20.5. Driver compilation and testing
  • 20.6. Limitations
• 21. ENIC Poll Mode Driver
  • 21.1. Supported Cisco VIC adapters
  • 21.2. Supported features
  • 21.3. How to obtain ENIC PMD integrated DPDK
  • 21.4. Configuration information
  • 21.5. SR-IOV Virtual Function
  • 21.6. Generic Flow API support
  • 21.7. Overlay Offload
  • 21.8. Ingress VLAN Rewrite
  • 21.9. Vectorized Rx Handler
  • 21.10. 64B Completion Queue Entry
  • 21.11. Limitations
  • 21.12. How to build the suite
  • 21.13. Supported Operating Systems
  • 21.14. Known bugs and unsupported features in this release
  • 21.15. Prerequisites
  • 21.16. Additional Reference
• 22. Fail-safe poll mode driver library
  • 22.1. Features
  • 22.2. Using the Fail-safe PMD from the EAL command line
    • 22.2.1. Fail-safe command line parameters
    • 22.2.2. Usage example
  • 22.3. Using the Fail-safe PMD from an application
  • 22.4. Plug-in feature
  • 22.5. Plug-out feature
  • 22.6. Fail-safe glossary
• 23. FM10K Poll Mode Driver
  • 23.1. FTAG Based Forwarding of FM10K
  • 23.2. Vector PMD for FM10K
    • 23.2.1. RX Constraints
    • 23.2.2. TX Constraint
  • 23.3. Limitations
    • 23.3.1. Switch manager
    • 23.3.2. Support for Switch Restart
    • 23.3.3. CRC stripping
    • 23.3.4. Maximum packet length
    • 23.3.5. Statistic Polling Frequency
    • 23.3.6. Interrupt mode
• 24. GVE poll mode driver
  • 24.1. Features and Limitations
    • 24.1.1. RSS
• 25. HINIC Poll Mode Driver
  • 25.1. Features
  • 25.2. Prerequisites
  • 25.3. Driver compilation and testing
  • 25.4. Limitations or Known issues
• 26. HNS3 Poll Mode Driver
  • 26.1. Features
  • 26.2. Prerequisites
    • 26.2.1. Link status event Pre-conditions
  • 26.3. Configuration
    • 26.3.1. Compilation Options
    • 26.3.2. Runtime Configuration
  • 26.4. Driver compilation and testing
  • 26.5. Sample Application Notes
    • 26.5.1. VLAN filter
    • 26.5.2. Flow Director
    • 26.5.3. Generic flow API
  • 26.6. Statistics
  • 26.7. Performance tuning
    • 26.7.1. Hardware configuration
    • 26.7.2. Queue depth configuration
    • 26.7.3. IO burst configuration
    • 26.7.4. Queue number configuration
    • 26.7.5. Hugepage configuration
    • 26.7.6. CPU core isolation
  • 26.8. Dump registers
  • 26.9. Limitations or Known issues
• 27. I40E Poll Mode Driver
  • 27.1. Features
  • 27.2. Linux Prerequisites
  • 27.3. Windows Prerequisites
  • 27.4. Kernel driver and Firmware Matching List
  • 27.5. Configuration
    • 27.5.1. Compilation Options
    • 27.5.2. Runtime Configuration
    • 27.5.3. Vector RX Pre-conditions
  • 27.6. Driver compilation and testing
  • 27.7. SR-IOV: Prerequisites and sample Application Notes
  • 27.8. Sample Application Notes
    • 27.8.1. Vlan filter
    • 27.8.2. Flow Director
    • 27.8.3. Floating VEB
    • 27.8.4. Dynamic Device Personalization (DDP)
    • 27.8.5. Input set configuration
    • 27.8.6. Queue region configuration
    • 27.8.7. Generic flow API
  • 27.9. Limitations or Known issues
    • 27.9.1. MPLS packet classification
    • 27.9.2. Receive packets with Ethertype 0x88A8
    • 27.9.3. Incorrect Rx statistics when packet is oversize
    • 27.9.4. RX/TX statistics may be incorrect when register overflowed
    • 27.9.5. VF & TC max bandwidth setting
    • 27.9.6. TC TX scheduling mode setting
    • 27.9.7. DCB function
    • 27.9.8. Global configuration warning
    • 27.9.9. Cloud Filter
    • 27.9.10. Mirror rule limitation for X722
  • 27.10. Testpmd driver specific commands
    • 27.10.1. RSS queue region
    • 27.10.2. set promisc (for VF)
    • 27.10.3. set allmulticast (for VF)
    • 27.10.4. set broadcast mode (for VF)
    • 27.10.5. vlan set tag (for VF)
    • 27.10.6. set tx max bandwidth (for VF)
    • 27.10.7. set tc tx min bandwidth (for VF)
    • 27.10.8. set tc tx max bandwidth (for VF)
    • 27.10.9. set tc strict link priority mode
    • 27.10.10. ddp add
    • 27.10.11. ddp del
    • 27.10.12. ddp get list
    • 27.10.13. ddp get info
    • 27.10.14. ptype mapping
    • 27.10.15. show port pctype mapping
  • 27.11. High Performance of Small Packets on 40GbE NIC
    • 27.11.1. Use 16 Bytes RX Descriptor Size
    • 27.11.2. Input set requirement of each pctype for FDIR
    • 27.11.3. Vlan related Features miss when FW >= 8.4
  • 27.12. Example of getting best performance with l3fwd example
    • 27.12.1. Tx bytes affected by the link status change
• 28. ICE Poll Mode Driver
  • 28.1. Linux Prerequisites
  • 28.2. Windows Prerequisites
  • 28.3. Kernel driver, DDP and Firmware Matching List
  • 28.4. Dynamic Device Personalization (DDP) package loading
  • 28.5. Configuration
    • 28.5.1. Runtime Configuration
  • 28.6. Driver compilation and testing
  • 28.7. Features
    • 28.7.1. Vector PMD
    • 28.7.2. Malicious driver detection (MDD)
    • 28.7.3. Device Config Function (DCF)
    • 28.7.4. Forward Error Correction (FEC)
    • 28.7.5. Time Synchronisation
    • 28.7.6. Generic Flow Support
    • 28.7.7. Traffic Management Support
  • 28.8. Sample Application Notes
    • 28.8.1. Vlan filter
  • 28.9. Diagnostic Utilities
    • 28.9.1. Dump DDP Package
    • 28.9.2. Dump Switch Configurations
    • 28.9.3. Dump Tx Scheduling Tree
• 29. IDPF Poll Mode Driver
  • 29.1. Linux Prerequisites
  • 29.2. Recommended Matching List
  • 29.3. Configuration
    • 29.3.1. Runtime Configuration
  • 29.4. Driver compilation and testing
  • 29.5. Features
    • 29.5.1. Vector PMD
• 30. IGB Poll Mode Driver
  • 30.1. Supported Chipsets and NICs
  • 30.2. Features
• 31. IGC Poll Mode Driver
  • 31.1. Supported Chipsets and NICs
  • 31.2. Driver compilation and testing
  • 31.3. Sample Application Notes
    • 31.3.1. Vlan filter
    • 31.3.2. Flow Director
• 32. Intel Virtual Function Driver
  • 32.1. SR-IOV Mode Utilization in a DPDK Environment
    • 32.1.1. Physical and Virtual Function Infrastructure
    • 32.1.2. Validated Hypervisors
    • 32.1.3. Expected Guest Operating System in Virtual Machine
  • 32.2. Setting Up a KVM Virtual Machine Monitor
  • 32.3. DPDK SR-IOV PMD PF/VF Driver Usage Model
    • 32.3.1. Fast Host-based Packet Processing
  • 32.4. SR-IOV (PF/VF) Approach for Inter-VM Communication
  • 32.5. Windows Support
  • 32.6. Inline IPsec Support
  • 32.7. Diagnostic Utilities
    • 32.7.1. Register mbuf dynfield to test Tx LLDP
  • 32.8. Limitations or Knowing issues
    • 32.8.1. 16 Byte RX Descriptor setting is not available
    • 32.8.2. i40e: VF performance is impacted by PCI extended tag setting
    • 32.8.3. i40e: Vlan strip of VF
    • 32.8.4. i40e: Vlan filtering of VF
    • 32.8.5. ice: VF inserts VLAN tag incorrectly on AVX-512 Tx path
    • 32.8.6. ice: VLAN tag length not included in MTU
• 33. IONIC Driver
  • 33.1. Identifying the Adapter
  • 33.2. Firmware Support
  • 33.3. Runtime Configuration
  • 33.4. Building DPDK
• 34. IPN3KE Poll Mode Driver
  • 34.1. Prerequisites
  • 34.2. Configuration
    • 34.2.1. Runtime Configuration
  • 34.3. Driver compilation and testing
  • 34.4. Sample Application Notes
    • 34.4.1. Packet TX/RX with FPGA Pass-through image
    • 34.4.2. HQoS and flow acceleration
  • 34.5. Limitations or Known issues
• 35. IXGBE Driver
  • 35.1. Supported Chipsets and NICs
  • 35.2. Vector PMD for IXGBE
    • 35.2.1. RX Constraints
    • 35.2.2. TX Constraint
  • 35.3. Application Programming Interface
  • 35.4. Sample Application Notes
    • 35.4.1. l3fwd
    • 35.4.2. load_balancer
  • 35.5. Limitations or Known issues
    • 35.5.1. Malicious Driver Detection not Supported
    • 35.5.2. Statistics
    • 35.5.3. MTU setting
    • 35.5.4. VF MAC address setting
    • 35.5.5. X550 does not support legacy interrupt mode
    • 35.5.6. RSS isn’t supported when QinQ is enabled
    • 35.5.7. UDP with zero checksum is reported as error
  • 35.6. Inline crypto processing support
  • 35.7. Virtual Function Port Representors
  • 35.8. Testpmd driver specific commands
    • 35.8.1. set split drop enable (for VF)
    • 35.8.2. set macsec offload
    • 35.8.3. set macsec sc
    • 35.8.4. set macsec sa
    • 35.8.5. set tc tx min bandwidth
    • 35.8.6. port config bypass
    • 35.8.7. set bypass mode
    • 35.8.8. set bypass event
    • 35.8.9. set bypass timeout
    • 35.8.10. show bypass config
• 36. MANA poll mode driver library
  • 36.1. Prerequisites
  • 36.2. Driver compilation and testing
  • 36.3. Runtime Configuration
• 37. Memif Poll Mode Driver
  • 37.1. Shared memory
  • 37.2. Zero-copy client
    • 37.2.1. Example: testpmd
    • 37.2.2. Example: testpmd and VPP
    • 37.2.3. Example: testpmd memif loopback
• 38. NVIDIA MLX4 Ethernet Driver
  • 38.1. Implementation details
  • 38.2. Configuration
    • 38.2.1. Compilation options
    • 38.2.2. Environment variables
    • 38.2.3. Run-time configuration
    • 38.2.4. Kernel module parameters
  • 38.3. Limitations
  • 38.4. Prerequisites
    • 38.4.1. Current RDMA core package and Linux kernel (recommended)
    • 38.4.2. NVIDIA MLNX_OFED as a fallback
  • 38.5. Quick Start Guide
  • 38.6. Performance tuning
  • 38.7. Usage example
• 39. NVIDIA MLX5 Ethernet Driver
  • 39.1. Supported NICs
  • 39.2. Design
  • 39.3. Features
  • 39.4. Limitations
  • 39.5. Statistics
  • 39.6. Compilation
  • 39.7. Configuration
    • 39.7.1. Environment Configuration
    • 39.7.2. Firmware configuration
    • 39.7.3. Runtime Configuration
  • 39.8. Multiport E-Switch
    • 39.8.1. Requirements
    • 39.8.2. Configuration
    • 39.8.3. Limitations
  • 39.9. Sub-Function
    • 39.9.1. Sub-Function representor support
  • 39.10. Performance tuning
  • 39.11. Rx burst functions
  • 39.12. Supported hardware offloads
  • 39.13. Notes for metadata
  • 39.14. Notes for rte_flow
  • 39.15. Notes for flow counters
    • 39.15.1. HW steering flow engine
  • 39.16. Notes for hairpin
  • 39.17. Notes for testpmd
  • 39.18. Usage example
  • 39.19. How to dump flows
  • 39.20. How to share a meter between ports in the same switch domain
  • 39.21. How to use meter hierarchy
  • 39.22. How to configure a VF as trusted
  • 39.23. How to trace Tx datapath
  • 39.24. Host shaper
    • 39.24.1. Dependency on mstflint package
    • 39.24.2. Available descriptor threshold and host shaper
  • 39.25. Testpmd driver specific commands
    • 39.25.1. port attach with socket path
    • 39.25.2. port map external Rx queue
    • 39.25.3. Dump RQ/SQ/CQ HW context for debug purposes
    • 39.25.4. Set Flow Engine Mode
    • 39.25.5. GENEVE TLV options parser
• 40. MVNETA Poll Mode Driver
  • 40.1. Features
  • 40.2. Limitations
  • 40.3. Prerequisites
  • 40.4. Runtime Configuration
  • 40.5. Building MUSDK
  • 40.6. Building DPDK
  • 40.7. Usage Example
• 41. MVPP2 Poll Mode Driver
  • 41.1. Features
  • 41.2. Limitations
  • 41.3. Prerequisites
  • 41.4. Building MUSDK
  • 41.5. Building DPDK
  • 41.6. Usage Example
  • 41.7. Extended stats
  • 41.8. External Configuration
    • 41.8.1. Configuration syntax
  • 41.9. Flow API
    • 41.9.1. Supported flow actions
    • 41.9.2. Supported flow items
    • 41.9.3. Classifier match engine
    • 41.9.4. Flow rules usage example
    • 41.9.5. Limitations
  • 41.10. Traffic metering and policing
    • 41.10.1. Limitations
    • 41.10.2. Usage example
  • 41.11. Traffic Management API
    • 41.11.1. Limitations
    • 41.11.2. Usage example
• 42. Netvsc poll mode driver
  • 42.1. Features and Limitations of Hyper-V PMD
  • 42.2. Installation
  • 42.3. Prerequisites
  • 42.4. Runtime Configuration
• 43. NFB poll mode driver library
  • 43.1. Prerequisites
    • 43.1.1. Versions of the packages
  • 43.2. Configuration
  • 43.3. Using the NFB PMD
  • 43.4. NFB card architecture
  • 43.5. Limitations
  • 43.6. Example of usage
• 44. NFP poll mode driver library
  • 44.1. Dependencies
  • 44.2. Building the software
  • 44.3. Driver compilation and testing
  • 44.4. Using the PF
  • 44.5. PF multiport support
  • 44.6. PF multiprocess support
  • 44.7. System configuration
  • 44.8. Flow offload
  • 44.9. NFP devargs
  • 44.10. Metadata Format
    • 44.10.1. NFD3
    • 44.10.2. NFDk
    • 44.10.3. RX
    • 44.10.4. TX
• 45. NGBE Poll Mode Driver
  • 45.1. Features
  • 45.2. Prerequisites
  • 45.3. Configuration
    • 45.3.1. Dynamic Logging Parameters
  • 45.4. Driver compilation and testing
  • 45.5. Limitations or Known issues
• 46. NTNIC Poll Mode Driver
  • 46.1. Design
  • 46.2. Supported NICs
  • 46.3. Features
    • 46.3.1. Limitations
  • 46.4. Configuration
    • 46.4.1. Command line arguments
  • 46.5. Logging and Debugging
  • 46.6. Flow Scanner
• 47. NULL Poll Mode Driver
  • 47.1. Usage
  • 47.2. Runtime Configuration
• 48. OCTEON TX EP Poll Mode driver
  • 48.1. Runtime Config Options
  • 48.2. Prerequisites
• 49. OCTEON TX Poll Mode driver
  • 49.1. Supported OCTEON TX SoCs
  • 49.2. Features
  • 49.3. Unsupported features
  • 49.4. Prerequisites
  • 49.5. Configuration
    • 49.5.1. Driver compilation and testing
  • 49.6. Initialization
    • 49.6.1. Device arguments
    • 49.6.2. Dependency
  • 49.7. Limitations
    • 49.7.1. octeontx_fpavf external mempool handler dependency
    • 49.7.2. CRC stripping
    • 49.7.3. Maximum packet length
    • 49.7.4. Maximum mempool size
• 50. Libpcap and Ring Based Poll Mode Drivers
  • 50.1. Using the Drivers from the EAL Command Line
    • 50.1.1. Libpcap-based PMD
    • 50.1.2. Rings-based PMD
    • 50.1.3. Using the Poll Mode Driver from an Application
• 51. PFE Poll Mode Driver
  • 51.1. PFE Overview
  • 51.2. Supported PFE SoCs
  • 51.3. PFE Features
  • 51.4. Prerequisites
  • 51.5. Driver compilation and testing
  • 51.6. Limitations
• 52. QEDE Poll Mode Driver
  • 52.1. Supported QLogic Adapters
  • 52.2. Supported Features
  • 52.3. Co-existence considerations
  • 52.4. Prerequisites
    • 52.4.1. Performance note
    • 52.4.2. Compilation Options
    • 52.4.3. Config notes
  • 52.5. Driver compilation and testing
  • 52.6. RTE Flow Support
  • 52.7. SR-IOV: Prerequisites and Sample Application Notes
• 53. R8169 Poll Mode Driver
  • 53.1. Supported Chipsets and NICs
  • 53.2. Features
• 54. Solarflare libefx-based Poll Mode Driver
  • 54.1. Supported NICs
  • 54.2. Features
  • 54.3. Non-supported Features
  • 54.4. Limitations
    • 54.4.1. Equal stride super-buffer mode
  • 54.5. Tunnels support
  • 54.6. Flow API support
    • 54.6.1. Ethernet destination individual/group match
    • 54.6.2. Exceptions to flow rules
  • 54.7. Prerequisites
  • 54.8. Configuration
    • 54.8.1. Compilation Options
    • 54.8.2. Runtime Configuration
    • 54.8.3. Dynamic Logging Parameters
• 55. Soft NIC Poll Mode Driver
  • 55.1. Flow
  • 55.2. Supported Operating Systems
  • 55.3. Runtime Configuration
  • 55.4. Soft NIC testing
  • 55.5. Soft NIC Firmware
  • 55.6. QoS API Support:
  • 55.7. Flow API support:
    • 55.7.1. Example:
• 56. TAP Poll Mode Driver
  • 56.1. Requirements
  • 56.2. Arguments
  • 56.3. TUN devices
  • 56.4. Flow API support
    • 56.4.1. Requirements
    • 56.4.2. Examples of testpmd flow rules
  • 56.5. Multi-process sharing
  • 56.6. RSS specifics
  • 56.7. Limitations
• 57. ThunderX NICVF Poll Mode Driver
  • 57.1. Supported ThunderX SoCs
  • 57.2. Features
  • 57.3. Prerequisites
  • 57.4. Driver compilation and testing
  • 57.5. Linux
    • 57.5.1. SR-IOV: Prerequisites and sample Application Notes
    • 57.5.2. Multiple Queue Set per DPDK port configuration
    • 57.5.3. LBK HW Access
    • 57.5.4. Example device binding
    • 57.5.5. Thunder-nic VF’s
  • 57.6. Debugging Options
  • 57.7. Runtime Configuration
    • 57.7.1. skip_data_bytes
  • 57.8. Limitations
    • 57.8.1. CRC stripping
    • 57.8.2. Maximum packet length
    • 57.8.3. Maximum packet segments
    • 57.8.4. skip_data_bytes
• 58. TXGBE Poll Mode Driver
  • 58.1. Features
  • 58.2. Prerequisites
  • 58.3. Configuration
    • 58.3.1. Compilation Options
    • 58.3.2. Dynamic Logging Parameters
    • 58.3.3. Runtime Configuration
  • 58.4. Driver compilation and testing
  • 58.5. Sample Application Notes
    • 58.5.1. Generic flow API
    • 58.5.2. Traffic Management API
  • 58.6. Limitations or Known issues
• 59. VDEV_NETVSC driver
  • 59.1. Implementation details
  • 59.2. Runtime Configuration
• 60. Poll Mode Driver that wraps vhost library
  • 60.1. Vhost Implementation in DPDK
  • 60.2. Features and Limitations of vhost PMD
  • 60.3. Runtime Configuration
  • 60.4. Vhost PMD event handling
  • 60.5. Vhost PMD with testpmd application
• 61. Poll Mode Driver for Emulated Virtio NIC
  • 61.1. Virtio Implementation in DPDK
  • 61.2. Features and Limitations of virtio PMD
  • 61.3. Prerequisites
  • 61.4. Virtio with qemu virtio Back End
  • 61.5. Virtio PMD Rx/Tx Callbacks
  • 61.6. Interrupt mode
    • 61.6.1. Prerequisites for Rx interrupts
    • 61.6.2. Example
  • 61.7. Runtime Configuration
  • 61.8. Virtio paths Selection and Usage
    • 61.8.1. Virtio paths Selection
    • 61.8.2. Rx/Tx callbacks of each Virtio path
    • 61.8.3. Virtio paths Support Status from Release to Release
    • 61.8.4. QEMU Support Status
    • 61.8.5. How to Debug
• 62. Poll Mode Driver for Paravirtual VMXNET3 NIC
  • 62.1. VMXNET3 Implementation in the DPDK
  • 62.2. Features and Limitations of VMXNET3 PMD
  • 62.3. Prerequisites
  • 62.4. VMXNET3 with a Native NIC Connected to a vSwitch
  • 62.5. VMXNET3 Chaining VMs Connected to a vSwitch
• 63. ZXDH Poll Mode Driver
  • 63.1. Features
  • 63.2. Driver compilation and testing
  • 63.3. Limitations or Known issues