net/ixgbe: fix flow control mode setting

[dpdk.git] / doc / guides / nics / octeontx2.rst

diff --git a/doc/guides/nics/octeontx2.rst b/doc/guides/nics/octeontx2.rst
index db62a45..60187ec 100644 (file)
--- a/doc/guides/nics/octeontx2.rst
+++ b/doc/guides/nics/octeontx2.rst
@@ -38,6 +38,7 @@ Features of the OCTEON TX2 Ethdev PMD are:
 - IEEE1588 timestamping
 - HW offloaded `ethdev Rx queue` to `eventdev event queue` packet injection
 - Support Rx interrupt
+- Inline IPsec processing support
 
 Prerequisites
 -------------
@@ -165,7 +166,7 @@ Runtime Config Options
    With the above configuration, each send queue's decscriptor buffer count is
    limited to a maximum of 64 buffers.
 
-- ``switch header enable`` (default ``none``)
+- ``Switch header enable`` (default ``none``)
 
    A port can be configured to a specific switch header type by using
    ``switch_header`` ``devargs`` parameter.
@@ -178,6 +179,34 @@ Runtime Config Options
    traffic on this port should be higig2 traffic only. Supported switch header
    types are "higig2" and "dsa".
 
+- ``RSS tag as XOR`` (default ``0``)
+
+   C0 HW revision onward, The HW gives an option to configure the RSS adder as
+
+   * ``rss_adder<7:0> = flow_tag<7:0> ^ flow_tag<15:8> ^ flow_tag<23:16> ^ flow_tag<31:24>``
+
+   * ``rss_adder<7:0> = flow_tag<7:0>``
+
+   Latter one aligns with standard NIC behavior vs former one is a legacy
+   RSS adder scheme used in OCTEON TX2 products.
+
+   By default, the driver runs in the latter mode from C0 HW revision onward.
+   Setting this flag to 1 to select the legacy mode.
+
+   For example to select the legacy mode(RSS tag adder as XOR)::
+      -w 0002:02:00.0,tag_as_xor=1
+
+- ``Max SPI for inbound inline IPsec`` (default ``1``)
+
+   Max SPI supported for inbound inline IPsec processing can be specified by
+   ``ipsec_in_max_spi`` ``devargs`` parameter.
+
+   For example::
+      -w 0002:02:00.0,ipsec_in_max_spi=128
+
+   With the above configuration, application can enable inline IPsec processing
+   on 128 SAs (SPI 0-127).
+
 .. note::
 
    Above devarg parameters are configurable per device, user needs to pass the
@@ -211,6 +240,14 @@ SDP interface support
 ~~~~~~~~~~~~~~~~~~~~~
 OCTEON TX2 SDP interface support is limited to PF device, No VF support.
 
+Inline Protocol Processing
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+``net_octeontx2`` pmd doesn't support the following features for packets to be
+inline protocol processed.
+- TSO offload
+- VLAN/QinQ offload
+- Fragmentation
+
 Debugging Options
 -----------------