Re: [dpdk-dev] [PATCH v2 2/4] ethdev: add Tx offload outer UDP checksum definition

["Iremonger, Bernard" <bernard.iremonger@intel.com>]

Hi Jerin,

> -----Original Message-----
> From: Jerin Jacob [mailto:jerin.jacob@caviumnetworks.com]
> Sent: Tuesday, October 2, 2018 8:25 PM
> To: Lu, Wenzhuo <wenzhuo.lu@intel.com>; Wu, Jingjing
> <jingjing.wu@intel.com>; Iremonger, Bernard <bernard.iremonger@intel.com>;
> Mcnamara, John <john.mcnamara@intel.com>; Kovacevic, Marko
> <marko.kovacevic@intel.com>; Thomas Monjalon <thomas@monjalon.net>;
> Yigit, Ferruh <ferruh.yigit@intel.com>; Andrew Rybchenko
> <arybchenko@solarflare.com>; Olivier Matz <olivier.matz@6wind.com>
> Cc: dev@dpdk.org; shahafs@mellanox.com; Jerin Jacob
> <jerin.jacob@caviumnetworks.com>
> Subject: [dpdk-dev] [PATCH v2 2/4] ethdev: add Tx offload outer UDP checksum
> definition
> 
> Introduced DEV_TX_OFFLOAD_OUTER_UDP_CKSUM offload flags and
> PKT_TX_OUTER_TCP_CKSUM mbuf ol_flags to enable Tx outer UDP checksum
> offload.
> 
> To use hardware Tx outer UDP checksum offload, the user needs to,
> 
> - enable following in mbuff:
> a) fill outer_l2_len and outer_l3_len in mbuf
> b) set the PKT_TX_OUTER_UDP_CKSUM flag
> c) set the flag PKT_TX_OUTER_IPV4 or PKT_TX_OUTER_IPV6
> 
> - configure DEV_TX_OFFLOAD_OUTER_UDP_CKSUM offload flags in slow path
> 
> Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
> ---
> 
> v2:
> - Removed DEV_TX_OFFLOAD_OUTER_TCP_CKSUM and
> DEV_TX_OFFLOAD_OUTER_SCTP_CKSUM as there is no realworld use case for
> it.
> See: http://patches.dpdk.org/patch/44692/
> 
> This patch series is depended on http://patches.dpdk.org/patch/45840/
> 
> ---
>  app/test-pmd/config.c          | 10 ++++++++++
>  doc/guides/nics/features.rst   |  6 ++++++
>  lib/librte_ethdev/rte_ethdev.c |  1 +
>  lib/librte_ethdev/rte_ethdev.h |  2 ++
>  lib/librte_mbuf/rte_mbuf.c     |  1 +
>  lib/librte_mbuf/rte_mbuf.h     |  6 +++++-
>  6 files changed, 25 insertions(+), 1 deletion(-)
> 
<snip>
This patch fails to apply to the latest master branch, a rebase may be needed.

Regards,

Bernard.