net/sfc: support firmware-assisted TSO

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

diff --git a/doc/guides/nics/sfc_efx.rst b/doc/guides/nics/sfc_efx.rst
index bc45b17..6be4fba 100644 (file)
--- a/doc/guides/nics/sfc_efx.rst
+++ b/doc/guides/nics/sfc_efx.rst
@@ -63,6 +63,8 @@ SFC EFX PMD has support for:
 
 - Allmulticast mode
 
+- TCP segmentation offload (TSO)
+
 - Multicast MAC filter
 
 - IPv4/IPv6 TCP/UDP receive checksum offload
@@ -169,6 +171,12 @@ Please note that enabling debugging options may affect system performance.
 
   Enable compilation of the extra run-time consistency checks.
 
+- ``CONFIG_RTE_LIBRTE_SFC_EFX_TSO`` (default **n**)
+
+  Toggle TCP segmentation offload support.
+  Enabling the feature limits the number of available transmit queues
+  significantly due to the limited number of adapter TSO contexts.
+
 
 Per-Device Parameters
 ~~~~~~~~~~~~~~~~~~~~~