The macro RTE_ETHER_MIN_LEN isn't the minimum value of MTU. But testpmd
used it when execute 'port config mtu 0 xx' cmd. This patch fixes it.
Fixes: 1bb4a528c4 ("ethdev: fix max Rx packet length")
Cc: stable@dpdk.org
Signed-off-by: Huisong Li <lihuisong@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
Acked-by: Ferruh Yigit <ferruh.yigit@xilinx.com>