[dpdk-dev] [PATCH v2 2/4] ethdev: add Tx offload outer UDP checksum definition
Iremonger, Bernard
bernard.iremonger at intel.com
Wed Oct 3 12:52:56 CEST 2018
Hi Jerin,
> -----Original Message-----
> From: Jerin Jacob [mailto:jerin.jacob at caviumnetworks.com]
> Sent: Tuesday, October 2, 2018 8:25 PM
> To: Lu, Wenzhuo <wenzhuo.lu at intel.com>; Wu, Jingjing
> <jingjing.wu at intel.com>; Iremonger, Bernard <bernard.iremonger at intel.com>;
> Mcnamara, John <john.mcnamara at intel.com>; Kovacevic, Marko
> <marko.kovacevic at intel.com>; Thomas Monjalon <thomas at monjalon.net>;
> Yigit, Ferruh <ferruh.yigit at intel.com>; Andrew Rybchenko
> <arybchenko at solarflare.com>; Olivier Matz <olivier.matz at 6wind.com>
> Cc: dev at dpdk.org; shahafs at mellanox.com; Jerin Jacob
> <jerin.jacob at 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 at 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.
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