Add new types of Wangxun NICs(Amber-Lite NIC models) into txgbe supported NICs list, and supplement usage instructions.
Signed-off-by: Zaiyu Wang <[email protected]> --- doc/guides/nics/txgbe.rst | 31 +++++++++++++++++++++++++++++-- 1 file changed, 29 insertions(+), 2 deletions(-) diff --git a/doc/guides/nics/txgbe.rst b/doc/guides/nics/txgbe.rst index 93fb592759..3c741689a7 100644 --- a/doc/guides/nics/txgbe.rst +++ b/doc/guides/nics/txgbe.rst @@ -4,8 +4,12 @@ TXGBE Poll Mode Driver ====================== -The TXGBE PMD (librte_pmd_txgbe) provides poll mode driver support -for Wangxun 10 Gigabit Ethernet NICs. +Supported NICs +-------------- + +- Wangxun 10 Gigabit Ethernet NICs +- Wangxun 25 Gigabit Ethernet NICs +- Wangxun 40 Gigabit Ethernet NICs Features -------- @@ -30,6 +34,7 @@ Features - FW version - LRO - Generic flow API +- Forward Error Correction (FEC) (only for 25G NICs) Prerequisites ------------- @@ -37,6 +42,9 @@ Prerequisites - Learning about Wangxun 10 Gigabit Ethernet NICs using `<https://www.net-swift.com/a/383.html>`_. +- Learning about Wangxun 25 Gigabit Ethernet NICs using + `<https://www.net-swift.com/a/25GbE-tong-yong-lei-FF5025.html>`_. + - Follow the DPDK :ref:`Getting Started Guide for Linux <linux_gsg>` to setup the basic DPDK environment. Configuration @@ -139,6 +147,25 @@ Please note that following ``devargs`` are only set for backplane NICs. PHY parameter used for user debugging. Setting other values to take effect requires setting the ``ffe_set``. +Please note that following ``devargs`` are only set for Amber-Lite NICs. + +- ``tx_headwb`` (default **1**) + + Use to enable the TX Head Write-Back mode. In this mode, the hardware + merges and writes back a group of TX descriptors together to reduce + memory access times, which helps improve performance. + +- ``tx_headwb_size`` (default **16**) + + Tx head write-back length. It is recommended to use the default values. + Setting other values to take effect requires setting the ``tx_headwb``. + +- ``rx_desc_merge`` (default **1**) + + Use to enable the RX descriptor merge mode. In this mode, the hardware + merges and writes back a group of RX descriptors together to reduce + memory access times, which helps improve performance. + Driver compilation and testing ------------------------------ -- 2.21.0.windows.1
