[dpdk-dev] [PATCH v8 2/2] doc: annouce deprecation of jumbo frame flag condition
Andrew Rybchenko
andrew.rybchenko at oktetlabs.ru
Mon Nov 2 14:18:49 CET 2020
On 11/2/20 11:52 AM, SteveX Yang wrote:
> 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
>
If so, what's the point to have the offload? May be just deprecate and
later remove it?
More information about the dev
mailing list