app/eventdev: add null checks for crypto allocations

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

diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index a734d10..d83c56d 100644 (file)
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -81,6 +81,7 @@ Features
 - Matching on IPv4 Internet Header Length (IHL).
 - Matching on GTP extension header with raw encap/decap action.
 - Matching on Geneve TLV option header with raw encap/decap action.
+- Matching on ESP header SPI field.
 - RSS support in sample action.
 - E-Switch mirroring and jump.
 - E-Switch mirroring and modify.
@@ -261,6 +262,9 @@ Limitations
   Rx mbufs must be freed before the device is closed. Otherwise, the mempool of
   the external buffers will be freed by PMD and the application which still
   holds the external buffers may be corrupted.
+  User-managed mempools with external pinned data buffers
+  cannot be used in conjunction with MPRQ
+  since packets may be already attached to PMD-managed external buffers.
 
 - If Multi-Packet Rx queue is configured (``mprq_en``) and Rx CQE compression is
   enabled (``rxq_cqe_comp_en``) at the same time, RSS hash result is not fully
@@ -400,6 +404,8 @@ Limitations
     sample actions list.
   - For E-Switch mirroring flow, supports ``RAW ENCAP``, ``Port ID``,
     ``VXLAN ENCAP``, ``NVGRE ENCAP`` in the sample actions list.
+  - For ConnectX-5 trusted device, the application metadata with SET_TAG index 0
+    is not supported before ``RTE_FLOW_ACTION_TYPE_SAMPLE`` action.
 
 - Modify Field flow:
 
@@ -408,6 +414,12 @@ Limitations
   - Modification of the 802.1Q Tag, VXLAN Network or GENEVE Network ID's is not supported.
   - Encapsulation levels are not supported, can modify outermost header fields only.
   - Offsets must be 32-bits aligned, cannot skip past the boundary of a field.
+  - If the field type is ``RTE_FLOW_FIELD_MAC_TYPE``
+    and packet contains one or more VLAN headers,
+    the meaningful type field following the last VLAN header
+    is used as modify field operation argument.
+    The modify field action is not intended to modify VLAN headers type field,
+    dedicated VLAN push and pop actions should be used instead.
 
 - IPv6 header item 'proto' field, indicating the next header protocol, should
   not be set as extension header.
@@ -432,13 +444,15 @@ Limitations
      - yellow: NULL or END.
      - RED: DROP / END.
   - The only supported meter policy actions:
-     - green: QUEUE, RSS, PORT_ID, REPRESENTED_PORT, JUMP, DROP, MARK and SET_TAG.
-     - yellow: QUEUE, RSS, PORT_ID, REPRESENTED_PORT, JUMP, DROP, MARK and SET_TAG.
+     - green: QUEUE, RSS, PORT_ID, REPRESENTED_PORT, JUMP, DROP, MARK, METER and SET_TAG.
+     - yellow: QUEUE, RSS, PORT_ID, REPRESENTED_PORT, JUMP, DROP, MARK, METER and SET_TAG.
      - RED: must be DROP.
   - Policy actions of RSS for green and yellow should have the same configuration except queues.
   - Policy with RSS/queue action is not supported when ``dv_xmeta_en`` enabled.
+  - If green action is METER, yellow action must be the same METER action or NULL.
   - meter profile packet mode is supported.
   - meter profiles of RFC2697, RFC2698 and RFC4115 are supported.
+  - RFC4115 implementation is following MEF, meaning yellow traffic may reclaim unused green bandwidth when green token bucket is full.
 
 - Integrity: