net/mlx5: remove Tx implementation

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

diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index 16aa390..5cf1e76 100644 (file)
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -350,13 +350,8 @@ Run-time configuration
 
 - ``txq_inline`` parameter [int]
 
 
 - ``txq_inline`` parameter [int]
 

-  Amount of data to be inlined during TX operations. Improves latency.
-  Can improve PPS performance when PCI back pressure is detected and may be
-  useful for scenarios involving heavy traffic on many queues.
-
-  Because additional software logic is necessary to handle this mode, this
-  option should be used with care, as it can lower performance when back
-  pressure is not expected.
+  Amount of data to be inlined during TX operations. This parameter is
+  deprecated and ignored, kept for compatibility issue.

 
 - ``txqs_min_inline`` parameter [int]
 
 
 - ``txqs_min_inline`` parameter [int]
 


@@ -378,16 +373,8 @@ Run-time configuration
 - ``txqs_max_vec`` parameter [int]
 
   Enable vectorized Tx only when the number of TX queues is less than or
 - ``txqs_max_vec`` parameter [int]
 
   Enable vectorized Tx only when the number of TX queues is less than or

-  equal to this value. Effective only when ``tx_vec_en`` is enabled.
-
-  On ConnectX-5:
-
-        - Set to 8 by default on ARMv8.
-        - Set to 4 by default otherwise.
-
-  On BlueField
-
-        - Set to 16 by default.
+  equal to this value. This parameter is deprecated and ignored, kept
+  for compatibility issue to not prevent driver from probing.

 
 - ``txq_mpw_en`` parameter [int]
 
 
 - ``txq_mpw_en`` parameter [int]
 


@@ -418,7 +405,8 @@ Run-time configuration
 - ``txq_mpw_hdr_dseg_en`` parameter [int]
 
   A nonzero value enables including two pointers in the first block of TX
 - ``txq_mpw_hdr_dseg_en`` parameter [int]
 
   A nonzero value enables including two pointers in the first block of TX

-  descriptor. This can be used to lessen CPU load for memory copy.
+  descriptor. The parameter is deprecated and ignored, kept for compatibility
+  issue.

 
   Effective only when Enhanced MPS is supported. Disabled by default.
 
 
   Effective only when Enhanced MPS is supported. Disabled by default.
 


@@ -427,14 +415,14 @@ Run-time configuration
   Maximum size of packet to be inlined. This limits the size of packet to
   be inlined. If the size of a packet is larger than configured value, the
   packet isn't inlined even though there's enough space remained in the
   Maximum size of packet to be inlined. This limits the size of packet to
   be inlined. If the size of a packet is larger than configured value, the
   packet isn't inlined even though there's enough space remained in the

-  descriptor. Instead, the packet is included with pointer.
-
-  Effective only when Enhanced MPS is supported. The default value is 256.
+  descriptor. Instead, the packet is included with pointer. This parameter
+  is deprecated.

 
 - ``tx_vec_en`` parameter [int]
 
 
 - ``tx_vec_en`` parameter [int]
 

-  A nonzero value enables Tx vector on ConnectX-5, ConnectX-6 and BlueField NICs if the number of
-  global Tx queues on the port is less than ``txqs_max_vec``.
+  A nonzero value enables Tx vector on ConnectX-5, ConnectX-6 and BlueField
+  NICs if the number of global Tx queues on the port is less than
+  ``txqs_max_vec``. The parameter is deprecated and ignored.

 
   This option cannot be used with certain offloads such as ``DEV_TX_OFFLOAD_TCP_TSO,
   DEV_TX_OFFLOAD_VXLAN_TNL_TSO, DEV_TX_OFFLOAD_GRE_TNL_TSO, DEV_TX_OFFLOAD_VLAN_INSERT``.
 
   This option cannot be used with certain offloads such as ``DEV_TX_OFFLOAD_TCP_TSO,
   DEV_TX_OFFLOAD_VXLAN_TNL_TSO, DEV_TX_OFFLOAD_GRE_TNL_TSO, DEV_TX_OFFLOAD_VLAN_INSERT``.