This patch introduces function 'netdev_dpdk_filter_packet_len()' which is
intended to find and remove all packets with 'pkt_len > max_packet_len'
from the Tx batch.
It fixes inaccurate counting of 'tx_bytes' in vHost case if there was
dropped packets and allows to simplify send function.
Fixes: 0072e931b207 ("netdev-dpdk: add support for jumbo frames") Signed-off-by: Ilya Maximets <i.maximets@samsung.com> Acked-by: Ian Stokes <ian.stokes@intel.com> Signed-off-by: Daniele Di Proietto <diproiettod@vmware.com>