Re: [dpdk-dev] [PATCH] pktgen-dpdk: fix low performance in VM virtio pmd mode

2017-12-20 Thread Wiles, Keith
> On Dec 20, 2017, at 2:04 AM, Bin Huang wrote: > > pktgen pre-allocated TX data in mbuf would be modified by virtio pmd driver > due to virtio pkt head extension. > it will caused mbuf data_len keep growing, packets size on wire growing, then > tx pps performance drop. > > set corresponding

[dpdk-dev] [PATCH] pktgen-dpdk: fix low performance in VM virtio pmd mode

2017-12-20 Thread Bin Huang
pktgen pre-allocated TX data in mbuf would be modified by virtio pmd driver due to virtio pkt head extension. it will caused mbuf data_len keep growing, packets size on wire growing, then tx pps performance drop. set corresponding mbuf data_len in pktmbuf reset to fix it. Signed-off-by: Bin Hua