net/mlx5: fix LRO dependency to include DV flow

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

diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index 875a87f..4f1093f 100644 (file)
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -87,7 +87,7 @@ Features
 - RX interrupts.
 - Statistics query including Basic, Extended and per queue.
 - Rx HW timestamp.
-- Tunnel types: VXLAN, L3 VXLAN, VXLAN-GPE, GRE, MPLSoGRE, MPLSoUDP, IP-in-IP.
+- Tunnel types: VXLAN, L3 VXLAN, VXLAN-GPE, GRE, MPLSoGRE, MPLSoUDP, IP-in-IP, Geneve.
 - Tunnel HW offloads: packet type, inner/outer RSS, IP and UDP checksum verification.
 - NIC HW offloads: encapsulation (vxlan, gre, mplsoudp, mplsogre), NAT, routing, TTL
   increment/decrement, count, drop, mark. For details please see :ref:`mlx5_offloads_support`.
@@ -132,6 +132,8 @@ Limitations
 
 - VLAN push offload is not supported on ingress traffic.
 
+- VLAN set PCP offload is not supported on existing headers.
+
 - A multi segment packet must have not more segments than reported by dev_infos_get()
   in tx_desc_lim.nb_seg_max field. This value depends on maximal supported Tx descriptor
   size and ``txq_inline_min`` settings and may be from 2 (worst case forced by maximal
@@ -144,6 +146,14 @@ Limitations
 
 - L3 VXLAN and VXLAN-GPE tunnels cannot be supported together with MPLSoGRE and MPLSoUDP.
 
+- Match on Geneve header supports the following fields only:
+
+     - VNI
+     - OAM
+     - protocol type
+     - options length
+       Currently, the only supported options length value is 0.
+
 - VF: flow rules created on VF devices can only match traffic targeted at the
   configured MAC addresses (see ``rte_eth_dev_mac_addr_add()``).
 
@@ -193,7 +203,7 @@ Limitations
 
 - LRO:
 
-  - Requires DevX to be enabled.
+  - Requires DevX and DV flow to be enabled.
   - KEEP_CRC offload cannot be supported with LRO.
   - The first mbuf length, without head-room,  must be big enough to include the
     TCP header (122B).
@@ -471,6 +481,11 @@ Run-time configuration
   The default ``txq_inline_max`` value is 290. The specified value may be adjusted
   by the driver in order not to exceed the limit (930 bytes) and to provide better
   WQE space filling without gaps, the adjustment is reflected in the debug log.
+  Also, the default value (290) may be decreased in run-time if the large transmit
+  queue size is requested and hardware does not support enough descriptor
+  amount, in this case warning is emitted. If ``txq_inline_max`` key is
+  specified and requested inline settings can not be satisfied then error
+  will be raised.
 
 - ``txq_inline_mpw`` parameter [int]
 
@@ -492,7 +507,11 @@ Run-time configuration
   WQE space filling without gaps, the adjustment is reflected in the debug log.
   Due to multiple packets may be included to the same WQE with Enhanced Multi
   Packet Write Method and overall WQE size is limited it is not recommended to
-  specify large values for the ``txq_inline_mpw``.
+  specify large values for the ``txq_inline_mpw``. Also, the default value (268)
+  may be decreased in run-time if the large transmit queue size is requested
+  and hardware does not support enough descriptor amount, in this case warning
+  is emitted. If ``txq_inline_mpw`` key is  specified and requested inline
+  settings can not be satisfied then error will be raised.
 
 - ``txqs_max_vec`` parameter [int]
 
@@ -671,6 +690,10 @@ Below are some firmware configurations listed.
 
     FLEX_PARSER_PROFILE_ENABLE=2
 
+- enable Geneve flow matching::
+
+   FLEX_PARSER_PROFILE_ENABLE=0
+
 Prerequisites
 -------------
 
@@ -1017,13 +1040,17 @@ Supported hardware offloads
    | | (set_ipv4_src /     | | OFED 4.6-2    | | OFED 4.6-2    |
    | | set_ipv4_dst /      | | rdma-core 24  | | rdma-core 23  |
    | | set_ipv6_src /      | | ConnectX-5    | | ConnectX-5    |
-   | | set_ipv6_dst /      |                 |                 |
-   | | set_tp_src /        |                 |                 |
-   | | set_tp_dst /        |                 |                 |
-   | | dec_ttl /           |                 |                 |
-   | | set_ttl /           |                 |                 |
-   | | set_mac_src /       |                 |                 |
-   | | set_mac_dst)        |                 |                 |
+   | | set_ipv6_dst /      | |               | |               |
+   | | set_tp_src /        | |               | |               |
+   | | set_tp_dst /        | |               | |               |
+   | | dec_ttl /           | |               | |               |
+   | | set_ttl /           | |               | |               |
+   | | set_mac_src /       | |               | |               |
+   | | set_mac_dst)        | |               | |               |
+   | |                     | |               | |               |
+   | | (of_set_vlan_vid)   | | DPDK 19.11    | | DPDK 19.11    |
+   |                       | | OFED 4.6-4    | | OFED 4.6-4    |
+   |                       | | ConnectX-5    | | ConnectX-5    |
    +-----------------------+-----------------+-----------------+
    | Jump                  | | DPDK 19.05    | | DPDK 19.02    |
    |                       | | OFED 4.6-4    | | OFED 4.6-4    |
@@ -1042,7 +1069,9 @@ Supported hardware offloads
    +-----------------------+-----------------+-----------------+
    | | VLAN                | | DPDK 19.11    | | DPDK 19.11    |
    | | (of_pop_vlan /      | | OFED 4.6-4    | | OFED 4.6-4    |
-   | | of_push_vlan)       | | ConnectX-5    | | ConnectX-5    |
+   | | of_push_vlan /      | | ConnectX-5    | | ConnectX-5    |
+   | | of_set_vlan_pcp /   |                 |                 |
+   | | of_set_vlan_vid)    |                 |                 |
    +-----------------------+-----------------+-----------------+
 
 Notes for testpmd