[dpdk-dev] Need comment on 82599 TSO

Hi Stephen, Thanks for comment. Pls check the other thread that I just posted. thx & rgds, -Qinglai On Fri, Oct 4, 2013 at 7:41 PM, Stephen Hemminger wrote: > On Fri, 4 Oct 2013 15:44:19 +0300 > jigsaw wrote: > >> Hi, >> >> I'm working on TSO for 82599, and encounter a problem: nowhere to stor

[dpdk-dev] Need comment on 82599 TSO

gards, -Venky -Original Message- From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Stephen Hemminger Sent: Friday, October 04, 2013 9:41 AM To: jigsaw Cc: dev at dpdk.org Subject: Re: [dpdk-dev] Need comment on 82599 TSO On Fri, 4 Oct 2013 15:44:19 +0300 jigsaw wrote: > Hi, > >

[dpdk-dev] Need comment on 82599 TSO

Hi, I'm working on TSO for 82599, and encounter a problem: nowhere to store MSS. TSO must be aware of MSS, or gso in skb of kernel. But MSS nees 16 bits per mbuf. And we have no spare 16 bits in rte_mbuf or rte_pktmbuf. If we add 16 bit field in rte_pktmbuf, the size of rte_mbuf will be doubled,

[dpdk-dev] Need comment on 82599 TSO

On Fri, 4 Oct 2013 15:44:19 +0300 jigsaw wrote: > Hi, > > I'm working on TSO for 82599, and encounter a problem: nowhere to store MSS. > > TSO must be aware of MSS, or gso in skb of kernel. > But MSS nees 16 bits per mbuf. And we have no spare 16 bits in > rte_mbuf or rte_pktmbuf. > If we add 1