Re: [dpdk-dev] [PATCH v1 3/4] net/ixgbe: implement good checksum flag for NEON vector

["Wang, Haiyue" <haiyue.wang@intel.com>]

> -----Original Message-----
> From: Feifei Wang <feifei.wang2@arm.com>
> Sent: Wednesday, November 18, 2020 14:29
> To: Jerin Jacob <jerinj@marvell.com>; Ruifeng Wang <ruifeng.wang@arm.com>; Guo, Jia
> <jia.guo@intel.com>; Wang, Haiyue <haiyue.wang@intel.com>
> Cc: dev@dpdk.org; nd@arm.com; feiwan02 <feifei.wang2@arm.com>
> Subject: [PATCH v1 3/4] net/ixgbe: implement good checksum flag for NEON vector
> 
> From: feiwan02 <feifei.wang2@arm.com>
> 
> Add CKSUM_GOOD flag to distinguish a good checksum from an unknown one
> in neon vertor RX function.
> 
> Test Results:
> NICs: 82599(igb)
> Dirver: ixgbe(vector)
> Packet: IPv4_checksum = correct value && UDP_checksum = correct value
> 
> $:./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 this patch:
> testpmd> port 0/queue 0: received 1 packets
> 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_GOOD PKT_RX_IP_CKSUM_GOOD
> 
> Without this patch:
> testpmd> port 0/queue 0: received 1 packets
> 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_UNKNOWN PKT_RX_IP_CKSUM_UNKNOWN
> 

How about to merge "1 & 2" and "3 & 4"? Then you will have the above test result. ;-)

> Signed-off-by: Feifei Wang <feifei.wang2@arm.com>
> Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
> ---
> 2.17.1