On Friday, 3 June, 2022, 02:29:58 pm IST, Bruce Richardson <bruce.richardson@intel.com> wrote:
+ ixgbe maintainers on CC
On Fri, Jun 03, 2022 at 08:14:00AM +0000, Mohan Gyara wrote:
> Hi Team,
> In our application we use 2 interfaces one to communicate towards gNB
> and another to communicate with higher layers in a UE simulator NR
> stack. Now we use a PCI whose driver is i40e and is bind to dpdk
> vfio-pci driver and this works perfectly towards higher layer, but the
> other interface PCI whose is ixgbe driver is bind to vfio-pci dpdk
> driver and has some issues.
> The issues are:
> 1. Application crashes when "rte_eth_dev_mac_addr_add" function is
> called when return with -1.
> "on a 82599 VF, adding again the same MAC addr is not an idempotent
> operation..." this is a comment, but the function ixgbevf_add_mac_addr
> return -1 when memcmp(hw->mac.perm_addr, mac_addr) == 0) is true.
> But above I commented the "return -1" and just returned from it, so
> crash is not seen.
> 2. After above 1, application is started successfully but then I do not
> see any messages coming on this interface. This is the problem?
> Could you guide me what is the issue? I see only issue with ixgbvf but
> not for i40evf.
> I am using dpdk-stable-19.11.5 version.
> Kindly help me here.
> Regards,
> Mohan