DPDK l2fwd怎么测试？新手求指点迷津

Question

DPDK想要用l2fwd进行测试，但是一直没有数据量，不清楚什么原因。

想要知道怎么样才可以正常测试吞吐？

在DPDK源代码里面加入了相应的debug信息，具体逻辑代码并没有改动。运行l2fwd结果如下：

EAL: Detected 32 lcore(s)
EAL: Probing VFIO support...
EAL: PCI device 0000:02:00.0 on NUMA socket 0
EAL:   probe driver: 14e4:1657 rte_bnxt_pmd
EAL: PCI device 0000:02:00.1 on NUMA socket 0
EAL:   probe driver: 14e4:1657 rte_bnxt_pmd
EAL: PCI device 0000:02:00.2 on NUMA socket 0
EAL:   probe driver: 14e4:1657 rte_bnxt_pmd
EAL: PCI device 0000:02:00.3 on NUMA socket 0
EAL:   probe driver: 14e4:1657 rte_bnxt_pmd
EAL: PCI device 0000:04:00.0 on NUMA socket 0
EAL:   probe driver: 8086:10fb rte_ixgbe_pmd
EAL: PCI device 0000:04:00.1 on NUMA socket 0
EAL:   probe driver: 8086:10fb rte_ixgbe_pmd
Lcore 0: RX port 0
Lcore 1: RX port 1
Initializing port 0... done:
Port 0, MAC address: 88:CF:98:83:DE:F9

Initializing port 1... done:
Port 1, MAC address: 88:CF:98:83:DE:FA

Checking link status..........................................................................................done
Port 0 Link Down
Port 1 Link Down
L2FWD: entering main loop on lcore 1
L2FWD:  -- lcoreid=1 portid=1
L2FWD: lcore 3 has nothing to do
L2FWD: lcore 2 has nothing to do
L2FWD: entering main loop on lcore 0
L2FWD:  -- lcoreid=0 portid=0

Port statistics ====================================
Statistics for port 0 ------------------------------
Packets sent:                        0
Packets received:                    0
Packets dropped:                     0
Statistics for port 1 ------------------------------
Packets sent:                        0
Packets received:                    0
Packets dropped:                     0
Aggregate statistics ===============================
Total packets sent:                  0
Total packets received:              0
Total packets dropped:               0
====================================================

Answer 1

似乎是命令参数设置不对？用了哪些参数启动的？

Comments

./l2fwd -c 0xf -n 3 -- -p 0x3 -q 1

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网卡的灯亮着吗？看你给出的打印信息里面有“Port 0 Link Down”这样的信息，没有“UP”的信息

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谢谢，好像是光模块的问题，发现ping不通了。