Hi Damjan, vpp devs, Upgrading to 2.15.9 i40e driver in CI (from Ubuntu's 2.8.20-k) makes AVF interface creation on VFs with configured VLANs fail: 2021/08/30 09:15:27:343 debug avf 0000:91:04.1: request_queues: num_queue_pairs 1 2021/08/30 09:15:27:434 debug avf 0000:91:04.1: version: major 1 minor 1 2021/08/30 09:15:27:444 debug avf 0000:91:04.1: get_vf_resources: bitmap 0x180b80a1 (l2 wb-on-itr adv-link-speed vlan-v2 vlan rx-polling rss-pf offload-adv-rss-pf offload-fdir-pf) 2021/08/30 09:15:27:445 debug avf 0000:91:04.1: get_vf_resources: num_vsis 1 num_queue_pairs 1 max_vectors 5 max_mtu 0 vf_cap_flags 0xb0081 (l2 adv-link-speed vlan rx-polling rss-pf) rss_key_size 52 rss_lut_size 64 2021/08/30 09:15:27:445 debug avf 0000:91:04.1: get_vf_resources_vsi[0]: vsi_id 27 num_queue_pairs 1 vsi_type 6 qset_handle 21 default_mac_addr ba:dc:0f:fe:02:11 2021/08/30 09:15:27:445 debug avf 0000:91:04.1: disable_vlan_stripping 2021/08/30 09:15:27:559 error avf 0000:00:00.0: error: avf_send_to_pf: error [v_opcode = 28, v_retval -5] from avf_create_if: pci-addr 0000:91:04.1
Syslog reveals a bit more: Aug 30 09:15:27 s55-t13-sut1 kernel: [352169.781206] vfio-pci 0000:91:04.1: enabling device (0000 -> 0002) Aug 30 09:15:27 s55-t13-sut1 kernel: [352170.140729] i40e 0000:91:00.0: Cannot disable vlan stripping when port VLAN is set Aug 30 09:15:27 s55-t13-sut1 kernel: [352170.140737] i40e 0000:91:00.0: VF 17 failed opcode 28, retval: -5 It looks like this feature (vlan stripping on VFs with VLANs) was removed in later versions of the driver. I don't know what the proper solution here is, but adding a configuration option to not disable vlan stripping when creating AVF interface sound good to me. I've documented this in https://jira.fd.io/browse/VPP-1995. Thanks, Juraj
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