doc: remove mlx4 Tx inline compilation option

[dpdk.git] / doc / guides / nics / mlx4.rst

diff --git a/doc/guides/nics/mlx4.rst b/doc/guides/nics/mlx4.rst
index f8885b2..be1ba16 100644 (file)
--- a/doc/guides/nics/mlx4.rst
+++ b/doc/guides/nics/mlx4.rst
@@ -1,5 +1,5 @@
 ..  BSD LICENSE
 ..  BSD LICENSE

-    Copyright 2012-2015 6WIND S.A.
+    Copyright 2012 6WIND S.A.

     Copyright 2015 Mellanox
 
     Redistribution and use in source and binary forms, with or without
     Copyright 2015 Mellanox
 
     Redistribution and use in source and binary forms, with or without


@@ -78,29 +78,9 @@ Features
 --------
 
 - Multi arch support: x86_64 and POWER8.
 --------
 
 - Multi arch support: x86_64 and POWER8.

-- RSS, also known as RCA, is supported. In this mode the number of
-  configured RX queues must be a power of two.
-- VLAN filtering is supported.

 - Link state information is provided.
 - Link state information is provided.

-- Promiscuous mode is supported.
-- All multicast mode is supported.
-- Multiple MAC addresses (unicast, multicast) can be configured.
-- Scattered packets are supported for TX and RX.
-- Inner L3/L4 (IP, TCP and UDP) TX/RX checksum offloading and validation.
-- Outer L3 (IP) TX/RX checksum offloading and validation for VXLAN frames.
-- Secondary process TX is supported.

 - RX interrupts.
 
 - RX interrupts.
 

-Limitations
------------
-
-- RSS hash key cannot be modified.
-- RSS RETA cannot be configured
-- RSS always includes L3 (IPv4/IPv6) and L4 (UDP/TCP). They cannot be
-  dissociated.
-- Hardware counters are not implemented (they are software counters).
-- Secondary process RX is not supported.
-

 Configuration
 -------------
 
 Configuration
 -------------
 


@@ -127,18 +107,6 @@ These options can be modified in the ``.config`` file.
   to abort with harmless debugging messages as a workaround.
   Relevant only when CONFIG_RTE_LIBRTE_MLX4_DEBUG is enabled.
 
   to abort with harmless debugging messages as a workaround.
   Relevant only when CONFIG_RTE_LIBRTE_MLX4_DEBUG is enabled.
 

-- ``CONFIG_RTE_LIBRTE_MLX4_SGE_WR_N`` (default **4**)
-
-  Number of scatter/gather elements (SGEs) per work request (WR). Lowering
-  this number improves performance but also limits the ability to receive
-  scattered packets (packets that do not fit a single mbuf). The default
-  value is a safe tradeoff.
-
-- ``CONFIG_RTE_LIBRTE_MLX4_MAX_INLINE`` (default **0**)
-
-  Amount of data to be inlined during TX operations. Improves latency but
-  lowers throughput.
-

 - ``CONFIG_RTE_LIBRTE_MLX4_TX_MP_CACHE`` (default **8**)
 
   Maximum number of cached memory pools (MPs) per TX queue. Each MP from
 - ``CONFIG_RTE_LIBRTE_MLX4_TX_MP_CACHE`` (default **8**)
 
   Maximum number of cached memory pools (MPs) per TX queue. Each MP from


@@ -147,11 +115,6 @@ These options can be modified in the ``.config`` file.
 
   This value is always 1 for RX queues since they use a single MP.
 
 
   This value is always 1 for RX queues since they use a single MP.
 

-- ``CONFIG_RTE_LIBRTE_MLX4_SOFT_COUNTERS`` (default **1**)
-
-  Toggle software counters. No counters are available if this option is
-  disabled since hardware counters are not supported.
-

 Environment variables
 ~~~~~~~~~~~~~~~~~~~~~
 
 Environment variables
 ~~~~~~~~~~~~~~~~~~~~~
 


@@ -164,9 +127,6 @@ Environment variables
 Run-time configuration
 ~~~~~~~~~~~~~~~~~~~~~~
 
 Run-time configuration
 ~~~~~~~~~~~~~~~~~~~~~~
 

-- The only constraint when RSS mode is requested is to make sure the number
-  of RX queues is a power of two. This is a hardware requirement.
-

 - librte_pmd_mlx4 brings kernel network interfaces up during initialization
   because it is affected by their state. Forcing them down prevents packets
   reception.
 - librte_pmd_mlx4 brings kernel network interfaces up during initialization
   because it is affected by their state. Forcing them down prevents packets
   reception.