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Diffstat (limited to 'doc/guides/nics/mlx5.rst')
| -rw-r--r-- | doc/guides/nics/mlx5.rst | 14 |
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 |