[dpdk-stable] [PATCH 19.11 0/4] Enable Checksum Offloading for NEON vector
Feifei Wang
feifei.wang2 at arm.com
Fri Feb 19 07:20:37 CET 2021
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
drivers/net/ixgbe/ixgbe_rxtx_vec_neon.c | 94 ++++++++++++++++++-------
1 file changed, 68 insertions(+), 26 deletions(-)
--
2.25.1
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