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authorLuca Boccassi <luca.boccassi@gmail.com>2018-11-01 11:59:50 +0000
committerLuca Boccassi <luca.boccassi@gmail.com>2018-11-01 12:00:19 +0000
commit8d01b9cd70a67cdafd5b965a70420c3bd7fb3f82 (patch)
tree208e3bc33c220854d89d010e3abf720a2e62e546 /doc/guides/nics/mlx5.rst
parentb63264c8342e6a1b6971c79550d2af2024b6a4de (diff)
New upstream version 18.11-rc1upstream/18.11-rc1
Change-Id: Iaa71986dd6332e878d8f4bf493101b2bbc6313bb Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'doc/guides/nics/mlx5.rst')
-rw-r--r--doc/guides/nics/mlx5.rst14
1 files changed, 13 insertions, 1 deletions
diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index 52e1213c..67696283 100644
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -339,7 +339,12 @@ Run-time configuration
When those offloads are requested the MPS send function will not be used.
It is currently only supported on the ConnectX-4 Lx, ConnectX-5 and Bluefield
- families of adapters. Enabled by default.
+ families of adapters.
+ On ConnectX-4 Lx the MPW is considered un-secure hence disabled by default.
+ Users which enable the MPW should be aware that application which provides incorrect
+ mbuf descriptors in the Tx burst can lead to serious errors in the host including, on some cases,
+ NIC to get stuck.
+ On ConnectX-5 and Bluefield the MPW is secure and enabled by default.
- ``txq_mpw_hdr_dseg_en`` parameter [int]
@@ -392,6 +397,13 @@ Run-time configuration
Disabled by default.
+- ``dv_flow_en`` parameter [int]
+
+ A nonzero value enables the DV flow steering assuming it is supported
+ by the driver.
+
+ Disabled by default.
+
- ``representor`` parameter [list]
This parameter can be used to instantiate DPDK Ethernet devices from