[dpdk-dev] Question on using SR-IOV with dpdk apps

[Xie, Huawei]

Since some version of ixgbe driver, it will not generate mac address for the VFs.  You could use ip link set to set mac address for the VFs.

> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Patrick McGleenon
> Sent: Tuesday, August 05, 2014 10:39 PM
> To: Anjali Kulkarni; Richardson, Bruce; dev at dpdk.org
> Subject: Re: [dpdk-dev] Question on using SR-IOV with dpdk apps
> 
> I had this when the PF was down, bringing it back with "ifup" fixed it.   Assuming
> you've already checked it's not the issue described in the FAQ :)
> With a RHEL 6.5 host the ixgbe driver prints the VF MAC addresses in
> /var/log/syslog when the VFs are enabled
> 
> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Anjali Kulkarni
> Sent: 04 August 2014 21:26
> To: Anjali Kulkarni; Richardson, Bruce; dev at dpdk.org
> Subject: Re: [dpdk-dev] Question on using SR-IOV with dpdk apps
> 
> The 4 devices in qs are at 04:10.0, 04:10.1, 04:10.2, 04:10.3
> 
> Anjali
> 
> On 8/4/14 1:24 PM, "Anjali Kulkarni" <anjali at juniper.net> wrote:
> 
> >It seems to have detected all 4. But I do see a MAC address not valid:
> >:
> >:
> >(scrolled up)
> >
> >EAL: PCI device 0000:04:10.1 on NUMA socket 0                      │
> >EAL:   probe driver: 8086:10ed rte_ixgbevf_pmd                     │
> >EAL:   PCI memory mapped at 0x7fd39743e000                         │
> >EAL:   PCI memory mapped at 0x7fd39743a000                         │
> >PMD:    The MAC address is not valid.                              │
> > The most likely cause of this error is that the VM host    │
> > has not assigned a valid MAC address to this VF device.    │
> > Please consult the DPDK Release Notes (FAQ section) for    │
> > a possible solution to this problem.                       │
> >EAL: PCI device 0000:04:10.2 on NUMA socket 0                      │
> >EAL:   probe driver: 8086:10ed rte_ixgbevf_pmd                     │
> >EAL:   PCI memory mapped at 0x7fd397436000                         │
> >EAL:   PCI memory mapped at 0x7fd397432000                         │
> >EAL: PCI device 0000:04:10.3 on NUMA socket 0                      │
> >EAL:   probe driver: 8086:10ed rte_ixgbevf_pmd                     │
> >EAL:   PCI memory mapped at 0x7fd39742e000                         │
> >EAL:   PCI memory mapped at 0x7fd39742a000                         │
> >PMD:    The MAC address is not valid.                              │
> > The most likely cause of this error is that the VM host    │
> > has not assigned a valid MAC address to this VF device.    │
> > Please consult the DPDK Release Notes (FAQ section) for    │
> > a possible solution to this problem.
> >
> >