net/mlx5: support hardware TSO

[dpdk.git] / doc / guides / nics / mlx5.rst

diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index 5f6e594..9b0ba29 100644 (file)
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -90,6 +90,7 @@ Features
 - Secondary process TX is supported.
 - KVM and VMware ESX SR-IOV modes are supported.
 - RSS hash result is supported.
+- Hardware TSO.
 
 Limitations
 -----------
@@ -186,9 +187,20 @@ Run-time configuration
   save PCI bandwidth and improve performance at the cost of a slightly
   higher CPU usage.
 
+  This option cannot be used in conjunction with ``tso`` below. When ``tso``
+  is set, ``txq_mpw_en`` is disabled.
+
   It is currently only supported on the ConnectX-4 Lx and ConnectX-5
   families of adapters. Enabled by default.
 
+- ``tso`` parameter [int]
+
+  A nonzero value enables hardware TSO.
+  When hardware TSO is enabled, packets marked with TCP segmentation
+  offload will be divided into segments by the hardware.
+
+  Disabled by default.
+
 Prerequisites
 -------------