[dpdk-stable] [PATCH 19.11 0/4] Enable Checksum Offloading for NEON vector

[Christian Ehrhardt]

On Fri, Feb 19, 2021 at 7:20 AM Feifei Wang <feifei.wang2 at arm.com> wrote:
>
> This patch series are mainly to enable checksum offloading for IXGBE NEON
> vector PMD, including good and bad checksum flags. In the meanwhile, the
> first patch enable VLAN stripping flag for Arm.
> Following are the test results for the patches:
>
> NICs: 82599(igb)
> Driver: ixgbe(vector)
> $:./app/dpdk-testpmd -c 0x3 -w 0002:f9:00.0 -- -i --port-topology=chained
> test-pmd> set fwd rxonly
> test-pmd> set verbose 1
> test-pmd> start
>
> With Patch a:
> enable vlan stripping:
> src=00:00:00:00:00:02 - dst=00:00:00:00:00:01 - type=0x0800 - length=70 - nb_segs=1 - VLAN tci=0x1
> ol_flags: PKT_RX_VLAN PKT_RX_VLAN_STRIPPED
>
> With Patch b:
> Packet: IPv4_checksum = 0xee && UDP_checksum = 0xee
> src=00:00:00:00:00:02 - dst=00:00:00:00:00:01 - type=0x0800 - length=70 - nb_segs=1
> ol_flags: PKT_RX_L4_CKSUM_BAD PKT_RX_IP_CKSUM_BAD
>
> With Patch c:
> Packet: IPv4_checksum = correct value && UDP_checksum = correct value
> ol_flags: PKT_RX_L4_CKSUM_GOOD PKT_RX_IP_CKSUM_GOOD
>
> Feifei Wang (4):
>   a). net/ixgbe: add new flag of stripped VLAN for NEON vector
>   b). net/ixgbe: support bad checksum flag for NEON vector
>   c). net/ixgbe: support good checksum flag for NEON vector
>   d). net/ixgbe: enable IXGBE NEON vector PMD when CHECKSUM need to checksum

Applied, thank you!

>  drivers/net/ixgbe/ixgbe_rxtx_vec_neon.c | 94 ++++++++++++++++++-------
>  1 file changed, 68 insertions(+), 26 deletions(-)
>
> --
> 2.25.1
>


-- 
Christian Ehrhardt
Staff Engineer, Ubuntu Server
Canonical Ltd