[dpdk-dev] [PATCH v8 2/2] doc: annouce deprecation of jumbo frame flag condition
SteveX Yang
stevex.yang at intel.com
Mon Nov 2 09:52:34 CET 2020
Annouce to replace 'RTE_ETHER_MAX_LEN' with 'RTE_ETHER_MTU' as type
condition of jumbo frame. Involved scopes:
- rte_ethdev;
- app, e.g.: test-pmd, test-eventdev;
- examples, e.g.: ipsec-secgw, l3fwd, vhost;
- net PMDs which support VLAN tag(s) within overhead, e.g.: i40e, ixgbe;
Signed-off-by: SteveX Yang <stevex.yang at intel.com>
---
doc/guides/rel_notes/deprecation.rst | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index 2e082499b..fae139f01 100644
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -138,6 +138,18 @@ Deprecation Notices
will be limited to maximum 256 queues.
Also compile time flag ``RTE_ETHDEV_QUEUE_STAT_CNTRS`` will be removed.
+* ethdev: Offload flag ``DEV_RX_OFFLOAD_JUMBO_FRAME`` will be set according to
+ ``RTE_ETHER_MTU`` in next release. Currently, the jumbo frame uses the
+ ``RTE_ETHER_MAX_LEN`` as boundary condition. When the MTU (1500) set, the
+ frame type of rx packet will be different if used different overhead, it will
+ cause the consistency issue. Hence, using fixed value ``RTE_ETHER_MTU`` can
+ avoid this issue.
+ Following scopes will be changed:
+ - ``rte_ethdev``
+ - ``app``, e.g.: ``test-pmd``, ``test-eventdev``;
+ - ``examples``, e.g.: ``ipsec-secgw``, ``l3fwd``, ``vhost``;
+ - net PMDs which support VLAN tag(s) within overhead, e.g.: ``i40e``;
+
* cryptodev: support for using IV with all sizes is added, J0 still can
be used but only when IV length in following structs ``rte_crypto_auth_xform``,
``rte_crypto_aead_xform`` is set to zero. When IV length is greater or equal
--
2.17.1
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