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From: Shahaf Shuler <shahafs@mellanox.com>
To: Ferruh Yigit <ferruh.yigit@intel.com>, Neil Horman
<nhorman@tuxdriver.com>, John McNamara <john.mcnamara@intel.com>, "Marko
Kovacevic" <marko.kovacevic@intel.com>
CC: "dev@dpdk.org" <dev@dpdk.org>, Thomas Monjalon <thomas@monjalon.net>
Thread-Topic: [PATCH] doc: reduce initial offload API scope to drivers
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Date: Sun, 18 Mar 2018 05:57:38 +0000
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Subject: Re: [dpdk-dev] [PATCH] doc: reduce initial offload API scope to
drivers
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Hi Ferruh,
Friday, March 16, 2018 5:32 PM, Ferruh Yigit:
> Subject: [PATCH] doc: reduce initial offload API scope to drivers
>=20
> 18.05 tagets ethdev-PMD offload API, which means switching all PMDs to
> new offloading API
>=20
> Next step targets ethdev-application offload API which means forcing
> applications to switch to new API
>=20
> Fixes: 3004d3454192 ("doc: update deprecation of ethdev offload API")
> Cc: shahafs@mellanox.com
>=20
> Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
> ---
> doc/guides/rel_notes/deprecation.rst | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>=20
> diff --git a/doc/guides/rel_notes/deprecation.rst
> b/doc/guides/rel_notes/deprecation.rst
> index 0c696f743..b40c57f28 100644
> --- a/doc/guides/rel_notes/deprecation.rst
> +++ b/doc/guides/rel_notes/deprecation.rst
> @@ -97,8 +97,13 @@ Deprecation Notices
> * ethdev: a new Tx and Rx offload API was introduced on 17.11.
> In the new API, offloads are divided into per-port and per-queue offlo=
ads.
> Offloads are disabled by default and enabled per application request.
> - The old offloads API is target to be deprecated on 18.05. This include=
s:
> + The old offloads API between ethdev and drivers is target to be
> deprecated on 18.05.
> + This includes:
>=20
> + - removal of the conversion in ethdev from new offloading API to old A=
PI.
We cannot remove this part before all of the applications has moved to the =
new API.
The conversion function is to help PMDs to have single control path with no=
branch for both old and new application.=20
> +
> + In later releases the old offloading API between ethdev and
> + applications will be deprecated too, which will include:
> - removal of ``ETH_TXQ_FLAGS_NO*`` flags.
> - removal of ``txq_flags`` field from ``rte_eth_txconf`` struct.
> - removal of the offloads bit-field from ``rte_eth_rxmode`` struct.
I am OK with postponing the deprecation to a later release and have the PMD=
s conversion to the new API in the current/next one.=20
> --
> 2.13.6