https://bugs.dpdk.org/show_bug.cgi?id=798
Bug ID: 798
Summary: mlx5 hw flow performance problem
Product: DPDK
Version: 21.08
Hardware: x86
OS: Linux
Status: UNCONFIRMED
Severity: critical
Priority: Normal
Component: ethdev
Assignee: dev@dpdk.org
Reporter: kangzy1...@qq.com
Target Milestone: ---
DPDK: 18.11/19.11/20.11/21.02/21.05/21.08
NIC: Mellanox Technologies MT27800 Family [ConnectX-5]
FW: firmware-version: 16.31.1014 (MT_0000000012)
CPU: Intel(R) Xeon(R) Platinum 8170M CPU @ 2.10GHz
KERNEL: 5.4.17-2102.200.13.uek
PKTGEN: IxNetwork 9.00.1915.16
MLNX OFED: MLNX_OFED_LINUX-5.0-2.1.8.0
testpmd:
testpmd -l 26-51 --socket-mem=4096,4096 -w
d8:00.0,dv_flow_en=0,mprq_en=1,rxqs_min_mprq=1,rx_vec_en=1 -- -i --rxq=16
--txq=16 --nb-cor
es=16 --forward-mode=icmpecho --numa --enable-rx-cksum -a --rxd=2048 --txd=2048
--burst=64
testpmd -l 26-51 --socket-mem=4096,4096 -w
d8:00.0,dv_flow_en=1,mprq_en=1,rxqs_min_mprq=1,rx_vec_en=1 -- -i --rxq=16
--txq=16 --nb-cor
es=16 --forward-mode=icmpecho --numa --enable-rx-cksum -a --rxd=2048 --txd=2048
--burst=64
flow:
testpmd> flow create 0 ingress pattern eth / ipv4 dst is 1.1.1.1 / tcp / end
actions queue index 15 / end
Flow rule #0 created
testpmd> flow create 0 ingress pattern eth / ipv4 dst is 1.1.1.1 / udp / end
actions queue index 15 / end
Flow rule #1 created
testpmd> flow create 0 ingress pattern eth / ipv4 / udp dst is 53 / end actions
count / rss / end
Flow rule #2 created
with these flows, no packet matched and testpmd only received 60.1Mpps:
testpmd> show port stats all
######################## NIC statistics for port 0 ########################
RX-packets: 6512958506 RX-missed: 4476258 RX-bytes: 390777510360
RX-errors: 0
RX-nombuf: 0
TX-packets: 0 TX-errors: 0 TX-bytes: 0
Throughput (since last show)
Rx-pps: 60163078 Rx-bps: 28878277584
Tx-pps: 0 Tx-bps: 0
############################################################################
testpmd>
with flush all flows, testpmd received 148.8Mpps
testpmd> flow flush 0
testpmd> show port stats all
######################## NIC statistics for port 0 ########################
RX-packets: 10076834471 RX-missed: 4482703 RX-bytes: 604610068260
RX-errors: 0
RX-nombuf: 0
TX-packets: 0 TX-errors: 0 TX-bytes: 0
Throughput (since last show)
Rx-pps: 148061620 Rx-bps: 71069577904
Tx-pps: 0 Tx-bps: 0
############################################################################
testpmd>
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