_Performance Testing PASS_

Branch: dpdk-next-net

6c3bf94b20244ec597a49cd8910660b6ab065bf6 --> performance testing pass

Test environment and result as below:

Ubuntu 16.04
Kernel: 4.4.0-109-generic
GCC: 5.4.0-6ubuntu1~16.04.6
NIC: Mellanox ConnectX-4 Lx 40000 Mbps
Target: x86_64-native-linuxapp-gcc
Fail/Total: 0/6

Detail performance results: 
+------------+---------+-------------------------------------+
| frame_size | txd/rxd | throughput difference from expected |
+============+=========+=====================================+
| 64         | 256     | 0.091                               |
+------------+---------+-------------------------------------+
| 128        | 256     | -0.040                              |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.006                              |
+------------+---------+-------------------------------------+
| 512        | 256     | -0.002                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | 0.001                               |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.003                               |
+------------+---------+-------------------------------------+

Ubuntu 16.04
Kernel: 4.4.0-109-generic
GCC: 5.4.0-6ubuntu1~16.04.6
NIC: Mellanox ConnectX-5 100000 Mbps
Target: x86_64-native-linuxapp-gcc
Fail/Total: 0/6

Detail performance results: 
+------------+---------+-------------------------------------+
| frame_size | txd/rxd | throughput difference from expected |
+============+=========+=====================================+
| 64         | 256     | -0.150                              |
+------------+---------+-------------------------------------+
| 128        | 256     | 0.012                               |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.001                              |
+------------+---------+-------------------------------------+
| 512        | 256     | 0.055                               |
+------------+---------+-------------------------------------+
| 1024       | 256     | -0.075                              |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.026                               |
+------------+---------+-------------------------------------+

Ubuntu 16.04
Kernel: 4.4.0-109-generic
GCC: 5.4.0-6ubuntu1~16.04.6
NIC: Mellanox ConnectX-4 Lx 25000 Mbps
Target: x86_64-native-linuxapp-gcc
Fail/Total: 0/6

Detail performance results: 
+------------+---------+-------------------------------------+
| frame_size | txd/rxd | throughput difference from expected |
+============+=========+=====================================+
| 64         | 256     | 0.149                               |
+------------+---------+-------------------------------------+
| 128        | 256     | -0.015                              |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.078                              |
+------------+---------+-------------------------------------+
| 512        | 256     | -0.001                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | -0.001                              |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.010                               |
+------------+---------+-------------------------------------+

https://lab.dpdk.org/results/dashboard/tarballs/4362/

UNH-IOL DPDK Performance Test Lab