Re: [dpdk-dev] checksum and vlan insertion seem not working on X520

[Chillance Zen <chillancezen@gmail.com>]

Hi Konstantin,Thank you sooooooooooooooooooooooooooooo much ,I really
appreciate your suggestion...

it works well now ,I love it.

Linc

On 8 March 2017 at 17:20, Ananyev, Konstantin <konstantin.ananyev@intel.com>
wrote:

> Hi Linc,
>
> Wonder what TX function are you using?
> Make sure that you are not using simple TX function that doesn’t support
> any offloads or multiseg packets.
> You need something like that at setup phase:
>
> rte_eth_dev_info_get(port_id, &dev_info);
> dev_info.default_txconf.txq_flags = 0;
> ...
> rte_eth_tx_queue_setup(…, &dev_info.default_txconf);
>
> Konstantin
>
> > -----Original Message-----
> > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Chillance Zen
> > Sent: Wednesday, March 8, 2017 8:50 AM
> > To: dev@dpdk.org
> > Subject: [dpdk-dev] checksum and vlan insertion seem not working on X520
> >
> > Hi ,every one
> >
> > when I was conducting nic offloading exp,I can not make a x520 nic insert
> > vlan ,nor checksum,
> > here is my rx/tx capability:
> > rx offload capability:9f
> > tx offload capability:203f
> >
> > with code like this:
> > while(1){
> > nr_mbufs=rte_eth_rx_burst(0,queue_id,mbufs,32);
> > for(idx=0;idx<nr_mbufs;idx++){
> > #if 0
> > buffer=rte_pktmbuf_mtod(mbufs[idx],char*);
> > ip4=(struct ipv4_hdr*)(buffer+14);
> > ip4->hdr_checksum=0;
> > mbufs[idx]->l2_len=14;
> > mbufs[idx]->l3_len=20;
> > mbufs[idx]->ol_flags=PKT_TX_IP_CKSUM|PKT_TX_IPV4;
> > #else
> > mbufs[idx]->vlan_tci=0xef00;
> > mbufs[idx]->ol_flags=PKT_TX_VLAN_PKT;
> > #endif
> > rte_eth_tx_burst(0,queue_id,&mbufs[idx],1);
> > }
> > }
> >
> > does anybody know what;s wrong with my code?
> > Thanks & regards
> > Linc
>



-- 
Linc @bjtu