From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sambath Kumar Balasubramanian Subject: Re: Debugging igbvf_pmd Date: Sat, 2 Nov 2013 15:56:29 -0700 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 To: "dev-VfR2kkLFssw@public.gmane.org" Return-path: In-Reply-To: List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" Sorry pressed the send button too soon. The NIC Card we are using is Intel Corporation 82576 Virtual Function (rev 01) Do we need to do now NIC/CPU low level debugging or is there some issue in the sw that could cause the packet to be dropped below this log message. PMD: eth_igb_xmit_pkts(): port_id=3 queue_id=0 pktlen=60 tx_first=14 tx_last=14 PMD: eth_igb_xmit_pkts(): port_id=3 queue_id=0 tx_tail=15 nb_tx=1 Thanks, Sambath On Sat, Nov 2, 2013 at 3:54 PM, Sambath Kumar Balasubramanian < sambath.balasubramanian-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote: > Hi, > > We are developing an App over DPDK and in one scenario with SR-IOV with > one of the VFs mapped to a VM and DPDK running on the VM, we see that the > packets are not coming on the wire but I get the following debug logs for > every packet transmitted. We are getting the same format of packets on the > wire in a different scenario so IMO the Virtual Function ports are set up > properly. Any idea how this can be debugged further. The NIC card we are > using is > > > > PMD: eth_igb_xmit_pkts(): port_id=3 queue_id=0 pktlen=60 tx_first=14 > tx_last=14 > > PMD: eth_igb_xmit_pkts(): port_id=3 queue_id=0 tx_tail=15 nb_tx=1 > > Regards, > Sambath > >