+ 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