[dpdk-dev] LINUX VF
Nishant Verma
vnish11 at gmail.com
Fri Nov 3 14:57:50 CET 2017
Issue Resolved.
This is because of NetworkManager service running on CentOs 7. After
stopping that service everything works fine.
On Mon, Oct 30, 2017 at 6:33 PM, Nishant Verma <vnish11 at gmail.com> wrote:
> Hi,
>
> I am trying to configure SRIOV on my SUPERMICRO BLADES.
> I assigned 10G NIC to igb_uio. After that created 4 VF's.
>
> Out of 4 VF's, 3 are used by DPDK App and one I am assigning to Linux
> kernel.
> Now when I am assigning IP to a virtual interface on top of Linux VF after
> PF is up. The first time it takes the IP but internally it just goes down
> and comes up again. That basically leads to change in MAC address of the
> virtual interface VF.
>
> After this, i am not able to send or receive any packet on a virtual
> interface on top of linuxVF. If I down everything on Linux side, then UP
> the interface and re-create the virtual on top of Linux VF then things
> works, becuase, in this case, MAC address of both the VF and virtual
> interface on top of VF are same.
>
> My Question is, Why linuxVF is going down? How can i stop it or can have
> same MAC address every time?
>
>
> ---
> This is when i assigned interface to linux VF
>
> [root at localhost aavila]# ifconfig enp2s16f7
> enp2s16f7: flags=4098<BROADCAST,MULTICAST> mtu 1500
> ether 02:7f:48:b1:a7:b9 txqueuelen 1000 (Ethernet)
> RX packets 0 bytes 0 (0.0 B)
> RX errors 0 dropped 0 overruns 0 frame 0
> TX packets 0 bytes 0 (0.0 B)
> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
> ----
> After creating virtual NIC and assigning IP
>
> 7: enp2s16f7: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state
> UP qlen 1000
> link/ether f6:45:8f:03:ba:1a brd ff:ff:ff:ff:ff:ff
> inet6 fe80::f445:8fff:fe03:ba1a/64 scope link
> valid_lft forever preferred_lft forever
> 8: vlan2034 at enp2s16f7: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
> noqueue state UP
> link/ether f6:45:8f:03:ba:1a brd ff:ff:ff:ff:ff:ff
> inet 10.31.226.6/20 scope global vlan2034
> valid_lft forever preferred_lft forever
> inet6 fe80::f445:8fff:fe03:ba1a/64 scope link
> valid_lft forever preferred_lft forever
> ---------
>
> After some seconds...
>
> 7: enp2s16f7: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state UP qlen 1000
> link/ether 02:7f:48:b1:a7:b9 brd ff:ff:ff:ff:ff:ff
> 8: vlan2034 at enp2s16f7: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
> noqueue state UP
> link/ether f6:45:8f:03:ba:1a brd ff:ff:ff:ff:ff:ff
> inet 10.31.226.6/20 scope global vlan2034
> valid_lft forever preferred_lft forever
>
>
> ----
> Here is the dmesg output :
>
> [ 320.341653] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 320.341686] ixgbevf 0000:02:10.7: NIC Link is Down
> [ 322.338665] ixgbevf 0000:02:10.7: NIC Link is Up 10 Gbps
> [ 323.340775] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 324.341407] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 324.341428] ixgbevf 0000:02:10.7: NIC Link is Down
> [ 326.338448] ixgbevf 0000:02:10.7: NIC Link is Up 10 Gbps
> [ 327.340536] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 328.341172] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 328.341194] ixgbevf 0000:02:10.7: NIC Link is Down
> [ 328.341252] ixgbevf 0000:02:10.7: NIC Link is Up 10 Gbps
> [ 329.342992] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 330.343652] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 330.343698] ixgbevf 0000:02:10.7: NIC Link is Down
> [ 330.343770] ixgbevf 0000:02:10.7: NIC Link is Up 10 Gbps
> [ 331.344292] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 333.344258] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 334.344630] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 334.344653] ixgbevf 0000:02:10.7: NIC Link is Down
> [ 336.341439] ixgbevf 0000:02:10.7: NIC Link is Up 10 Gbps
> [ 380.276206] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 381.276826] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 381.276849] ixgbevf 0000:02:10.7: NIC Link is Down
> [ 381.385871] IPv6: ADDRCONF(NETDEV_UP): enp2s16f7: link is not ready
> [ 381.385874] 8021q: adding VLAN 0 to HW filter on device enp2s16f7
> [ 381.386386] device enp2s16f7 entered promiscuous mode
> [ 381.394896] IPv6: ADDRCONF(NETDEV_UP): vlan2034: link is not ready
> [ 382.343248] ixgbevf 0000:02:10.7: NIC Link is Up 10 Gbps
> [ 382.353248] IPv6: ADDRCONF(NETDEV_CHANGE): vlan2034: link becomes ready
> [ 383.353628] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 384.354004] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 385.354582] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 386.354958] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 386.355252] IPv6: ADDRCONF(NETDEV_CHANGE): enp2s16f7: link becomes ready
> [ 387.355899] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 388.356533] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 389.357654] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 390.358357] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 391.359263] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 392.359965] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 393.362737] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 393.362993] ixgbevf 0000:02:10.7: NIC Link is Down
> [ 394.357568] ixgbevf 0000:02:10.7: NIC Link is Up 10 Gbps
> [ 395.359945] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 395.360161] ixgbevf 0000:02:10.7: NIC Link is Down
> [ 395.360205] ixgbevf 0000:02:10.7: NIC Link is Up 10 Gbps
> [ 397.355218] ixgbevf 0000:02:10.7 enp2s16f7: Polling for VF0 mailbox ack
> timedout
> [ 397.355433] ixgbevf 0000:02:10.7: NIC Link is Down
> [ 398.354374] ixgbevf 0000:02:10.7: NIC Link is Up 10 Gbps
>
>
>
>
>
>
> Rgds,
> Nishant
>
--
Rgds,
Nishant
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