Treat vhost-vdpa devices as DPDK devices

Use the govdpa library to inspect the device and determine if it's a
vdpa device and its driver.

If it's a vhost device, the CNI should not try to do any netdevice
configuration.

Signed-off-by: Adrian Moreno <amorenoz@redhat.com>

go.mod

@@ -7,6 +7,7 @@ require (
 	github.com/containernetworking/plugins v0.8.7
 	github.com/onsi/ginkgo v1.2.1-0.20151202141238-7f8ab55aaf3b
 	github.com/onsi/gomega v0.0.0-20151007035656-2152b45fa28a
+	github.com/redhat-virtio-net/govdpa v0.1.2
 	github.com/stretchr/testify v1.4.0
 	github.com/vishvananda/netlink v1.0.1-0.20190924205540-07ace697bea4
 	golang.org/x/sys v0.0.0-20190712062909-fae7ac547cb7 // indirect

go.sum

@@ -1,3 +1,4 @@
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/Microsoft/go-winio v0.4.11/go.mod h1:VhR8bwka0BXejwEJY73c50VrPtXAaKcyvVC4A4RozmA=
 github.com/Microsoft/hcsshim v0.8.6/go.mod h1:Op3hHsoHPAvb6lceZHDtd9OkTew38wNoXnJs8iY7rUg=
 github.com/alexflint/go-filemutex v0.0.0-20171022225611-72bdc8eae2ae/go.mod h1:CgnQgUtFrFz9mxFNtED3jI5tLDjKlOM+oUF/sTk6ps0=
@@ -9,6 +10,8 @@ github.com/containernetworking/plugins v0.8.7/go.mod h1:R7lXeZaBzpfqapcAbHRW8/CY
 github.com/coreos/go-iptables v0.4.5 h1:DpHb9vJrZQEFMcVLFKAAGMUVX0XoRC0ptCthinRYm38=
 github.com/coreos/go-iptables v0.4.5/go.mod h1:/mVI274lEDI2ns62jHCDnCyBF9Iwsmekav8Dbxlm1MU=
 github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/d2g/dhcp4 v0.0.0-20170904100407-a1d1b6c41b1c/go.mod h1:Ct2BUK8SB0YC1SMSibvLzxjeJLnrYEVLULFNiHY9YfQ=
 github.com/d2g/dhcp4client v1.0.0/go.mod h1:j0hNfjhrt2SxUOw55nL0ATM/z4Yt3t2Kd1mW34z5W5s=
 github.com/d2g/dhcp4server v0.0.0-20181031114812-7d4a0a7f59a5/go.mod h1:Eo87+Kg/IX2hfWJfwxMzLyuSZyxSoAug2nGa1G2QAi8=
@@ -27,14 +30,19 @@ github.com/onsi/gomega v0.0.0-20151007035656-2152b45fa28a h1:KfNOeFvoAssuZLT7Int
 github.com/onsi/gomega v0.0.0-20151007035656-2152b45fa28a/go.mod h1:C1qb7wdrVGGVU+Z6iS04AVkA3Q65CEZX59MT0QO5uiA=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/redhat-virtio-net/govdpa v0.1.2 h1:/bGKeIE2i6lBgqmQWJgQCD8VeOJrS9bAizxdZgcC/j0=
+github.com/redhat-virtio-net/govdpa v0.1.2/go.mod h1:ibyLZvuq7nhn58qX9mbcpypS9V7f2rCiuvg1flAcOMU=
+github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/safchain/ethtool v0.0.0-20190326074333-42ed695e3de8 h1:2c1EFnZHIPCW8qKWgHMH/fX2PkSabFc5mrVzfUNdg5U=
 github.com/safchain/ethtool v0.0.0-20190326074333-42ed695e3de8/go.mod h1:Z0q5wiBQGYcxhMZ6gUqHn6pYNLypFAvaL3UvgZLR0U4=
+github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/sirupsen/logrus v1.0.6/go.mod h1:pMByvHTf9Beacp5x1UXfOR9xyW/9antXMhjMPG0dEzc=
 github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+github.com/urfave/cli/v2 v2.2.0/go.mod h1:SE9GqnLQmjVa0iPEY0f1w3ygNIYcIJ0OKPMoW2caLfQ=
 github.com/vishvananda/netlink v0.0.0-20181108222139-023a6dafdcdf/go.mod h1:+SR5DhBJrl6ZM7CoCKvpw5BKroDKQ+PJqOg65H/2ktk=
 github.com/vishvananda/netlink v1.0.1-0.20190924205540-07ace697bea4 h1:drtLp8HLxovV2hBiKjnq3u6iKuunLWbkORV726Vkw/U=
 github.com/vishvananda/netlink v1.0.1-0.20190924205540-07ace697bea4/go.mod h1:+SR5DhBJrl6ZM7CoCKvpw5BKroDKQ+PJqOg65H/2ktk=

pkg/utils/utils.go

@@ -8,6 +8,8 @@ import (
 	"path/filepath"
 	"strconv"
 	"strings"
+
+	"github.com/redhat-virtio-net/govdpa/pkg/kvdpa"
 )
 
 var (
@@ -204,6 +206,15 @@ func HasDpdkDriver(pciAddr string) (bool, error) {
 			return true, nil
 		}
 	}
+
+	/* If there is a vdpa device associated with the device and it is bound to
+	vhost-vdpa driver, it shall be treated as a dpdk device
+	*/
+	if vdpaDev, err := kvdpa.GetVdpaDeviceByPci(pciAddr); err != nil &&
+		vdpaDev.GetDriver() == kvdpa.VhostVdpaDriver {
+		return true, nil
+	}
+
 	return false, nil
 }