Use IFLA_* consts defined in golang.org/x/sys/unix

Use the constants provided in the golang.org/x/sys/unix package instead
of locally defining them, as done in commit c94808a ("link: add
support for IFLA_GRO_MAX_SIZE").

Signed-off-by: Tobias Klauser <[email protected]>

Author: tklauser

go.mod

@@ -4,5 +4,5 @@ go 1.12
 
 require (
 	github.com/vishvananda/netns v0.0.0-20200728191858-db3c7e526aae
-	golang.org/x/sys v0.0.0-20200728102440-3e129f6d46b1
+	golang.org/x/sys v0.0.0-20220804214406-8e32c043e418
 )

go.sum

@@ -1,6 +1,5 @@
 github.com/vishvananda/netns v0.0.0-20200728191858-db3c7e526aae h1:4hwBBUfQCFe3Cym0ZtKyq7L16eZUtYKs+BaHDN6mAns=
 github.com/vishvananda/netns v0.0.0-20200728191858-db3c7e526aae/go.mod h1:DD4vA1DwXk04H54A1oHXtwZmA0grkVMdPxx/VGLCah0=
-golang.org/x/sys v0.0.0-20200217220822-9197077df867 h1:JoRuNIf+rpHl+VhScRQQvzbHed86tKkqwPMV34T8myw=
 golang.org/x/sys v0.0.0-20200217220822-9197077df867/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200728102440-3e129f6d46b1 h1:sIky/MyNRSHTrdxfsiUSS4WIAMvInbeXljJz+jDjeYE=
-golang.org/x/sys v0.0.0-20200728102440-3e129f6d46b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20220804214406-8e32c043e418 h1:9vYwv7OjYaky/tlAeD7C4oC9EsPTlaFl1H2jS++V+ME=
+golang.org/x/sys v0.0.0-20220804214406-8e32c043e418/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

link_linux.go

@@ -993,7 +993,7 @@ func (h *Handle) LinkSetGROMaxSize(link Link, maxSize int) error {
 	b := make([]byte, 4)
 	native.PutUint32(b, uint32(maxSize))
 
-	data := nl.NewRtAttr(nl.IFLA_GRO_MAX_SIZE, b)
+	data := nl.NewRtAttr(unix.IFLA_GRO_MAX_SIZE, b)
 	req.AddData(data)
 
 	_, err := req.Execute(unix.NETLINK_ROUTE, 0)
@@ -1456,7 +1456,7 @@ func (h *Handle) linkModify(link Link, flags int) error {
 	}
 
 	if base.GROMaxSize > 0 {
-		groAttr := nl.NewRtAttr(nl.IFLA_GRO_MAX_SIZE, nl.Uint32Attr(base.GROMaxSize))
+		groAttr := nl.NewRtAttr(unix.IFLA_GRO_MAX_SIZE, nl.Uint32Attr(base.GROMaxSize))
 		req.AddData(groAttr)
 	}
 
@@ -2000,7 +2000,7 @@ func LinkDeserialize(hdr *unix.NlMsghdr, m []byte) (Link, error) {
 			base.GSOMaxSize = native.Uint32(attr.Value[0:4])
 		case unix.IFLA_GSO_MAX_SEGS:
 			base.GSOMaxSegs = native.Uint32(attr.Value[0:4])
-		case nl.IFLA_GRO_MAX_SIZE:
+		case unix.IFLA_GRO_MAX_SIZE:
 			base.GROMaxSize = native.Uint32(attr.Value[0:4])
 		case unix.IFLA_VFINFO_LIST:
 			data, err := nl.ParseRouteAttr(attr.Value)

nl/link_linux.go

@@ -718,8 +718,3 @@ const (
 	IFLA_BAREUDP_MULTIPROTO_MODE
 	IFLA_BAREUDP_MAX = IFLA_BAREUDP_MULTIPROTO_MODE
 )
-
-const (
-	IFLA_UNSPEC       = iota
-	IFLA_GRO_MAX_SIZE = 0x3a
-)