[nailgun-agent][dpdk] invalid PID is reported for some NICs

[Atsuko Ito]

For virtio, /sys/class/net/*/device/{vendor,device} reports subsystem pci_id (1af4:0001), but should report main pci_id (1af4:1000). Should be gathered from /sys/bus/pci/device/${bus_info}

 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
 Subsystem: Red Hat, Inc Device [1af4:0001]
 Physical Slot: 3
 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
 Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
 Latency: 0
 Interrupt: pin A routed to IRQ 11
 Region 0: I/O ports at c040 [size=32]
 Region 1: Memory at febd5000 (32-bit, non-prefetchable) [size=4K]
 Expansion ROM at feb00000 [disabled] [size=256K]
 Capabilities: [40] MSI-X: Enable+ Count=3 Masked-
  Vector table: BAR=1 offset=00000000
  PBA: BAR=1 offset=00000800
 Kernel driver in use: virtio-pci

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/419087
Committed: https://git.openstack.org/cgit/openstack/fuel-nailgun-agent/commit/?id=0a306b1dc7021ec41b2947e6efa53be7c4075a9c
Submitter: Jenkins
Branch: master

commit 0a306b1dc7021ec41b2947e6efa53be7c4075a9c
Author: Vladimir Eremin <email address hidden>
Date: Wed Jan 11 21:56:06 2017 +0300

    Read device PCIID instead of subsystem one

    For some devices like Virtio network device [1af4:1000], there is
    invalid PCIID in /sys/class/net.

    Change-Id: I3bc514c2d57e3a7669c418e49830491041cb8f52
    Closes-Bug: #1655733

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/mitaka
Review: https://review.openstack.org/419567

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/newton
Review: https://review.openstack.org/419568

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/419567
Committed: https://git.openstack.org/cgit/openstack/fuel-nailgun-agent/commit/?id=c14c0b208bc6766352afe720c9c5efe3f67a6ba9
Submitter: Jenkins
Branch: stable/mitaka

commit c14c0b208bc6766352afe720c9c5efe3f67a6ba9
Author: Vladimir Eremin <email address hidden>
Date: Wed Jan 11 21:56:06 2017 +0300

    Read device PCIID instead of subsystem one

    For some devices like Virtio network device [1af4:1000], there is
    invalid PCIID in /sys/class/net.

    Change-Id: I3bc514c2d57e3a7669c418e49830491041cb8f52
    Closes-Bug: #1655733
    (cherry picked from commit 0a306b1dc7021ec41b2947e6efa53be7c4075a9c)

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/419568
Committed: https://git.openstack.org/cgit/openstack/fuel-nailgun-agent/commit/?id=5e119e08c3c4d885f0ad8c91919b7818fe15b783
Submitter: Jenkins
Branch: stable/newton

commit 5e119e08c3c4d885f0ad8c91919b7818fe15b783
Author: Vladimir Eremin <email address hidden>
Date: Wed Jan 11 21:56:06 2017 +0300

    Read device PCIID instead of subsystem one

    For some devices like Virtio network device [1af4:1000], there is
    invalid PCIID in /sys/class/net.

    Change-Id: I3bc514c2d57e3a7669c418e49830491041cb8f52
    Closes-Bug: #1655733
    (cherry picked from commit 0a306b1dc7021ec41b2947e6efa53be7c4075a9c)

[Sergey Novikov (snovikov)]

Verified on snapshot #822 (RC2)

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/fuel-nailgun-agent 11.0.0.0rc1 release candidate.