build(deps): bump github.com/vishvananda/netlink

Bumps [github.com/vishvananda/netlink](https://github.com/vishvananda/netlink) from 1.2.0-beta to 1.2.1-beta.2.
- [Release notes](https://github.com/vishvananda/netlink/releases)
- [Commits](https://github.com/vishvananda/netlink/compare/v1.2.0-beta...v1.2.1-beta.2)

---
updated-dependencies:
- dependency-name: github.com/vishvananda/netlink
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Signed-off-by: Matthieu MOREL <matthieu.morel35@gmail.com>

vendor/github.com/vishvananda/netlink/filter.go

@@ -157,6 +157,39 @@ func NewConnmarkAction() *ConnmarkAction {
 	}
 }
 
+type CsumUpdateFlags uint32
+
+const (
+	TCA_CSUM_UPDATE_FLAG_IPV4HDR CsumUpdateFlags = 1
+	TCA_CSUM_UPDATE_FLAG_ICMP    CsumUpdateFlags = 2
+	TCA_CSUM_UPDATE_FLAG_IGMP    CsumUpdateFlags = 4
+	TCA_CSUM_UPDATE_FLAG_TCP     CsumUpdateFlags = 8
+	TCA_CSUM_UPDATE_FLAG_UDP     CsumUpdateFlags = 16
+	TCA_CSUM_UPDATE_FLAG_UDPLITE CsumUpdateFlags = 32
+	TCA_CSUM_UPDATE_FLAG_SCTP    CsumUpdateFlags = 64
+)
+
+type CsumAction struct {
+	ActionAttrs
+	UpdateFlags CsumUpdateFlags
+}
+
+func (action *CsumAction) Type() string {
+	return "csum"
+}
+
+func (action *CsumAction) Attrs() *ActionAttrs {
+	return &action.ActionAttrs
+}
+
+func NewCsumAction() *CsumAction {
+	return &CsumAction{
+		ActionAttrs: ActionAttrs{
+			Action: TC_ACT_PIPE,
+		},
+	}
+}
+
 type MirredAct uint8
 
 func (a MirredAct) String() string {

vendor/github.com/vishvananda/netlink/filter_linux.go

@@ -607,6 +607,16 @@ func EncodeActions(attr *nl.RtAttr, actions []Action) error {
 			}
 			toTcGen(action.Attrs(), &connmark.TcGen)
 			aopts.AddRtAttr(nl.TCA_CONNMARK_PARMS, connmark.Serialize())
+		case *CsumAction:
+			table := attr.AddRtAttr(tabIndex, nil)
+			tabIndex++
+			table.AddRtAttr(nl.TCA_ACT_KIND, nl.ZeroTerminated("csum"))
+			aopts := table.AddRtAttr(nl.TCA_ACT_OPTIONS, nil)
+			csum := nl.TcCsum{
+				UpdateFlags: uint32(action.UpdateFlags),
+			}
+			toTcGen(action.Attrs(), &csum.TcGen)
+			aopts.AddRtAttr(nl.TCA_CSUM_PARMS, csum.Serialize())
 		case *BpfAction:
 			table := attr.AddRtAttr(tabIndex, nil)
 			tabIndex++
@@ -675,6 +685,8 @@ func parseActions(tables []syscall.NetlinkRouteAttr) ([]Action, error) {
 					action = &BpfAction{}
 				case "connmark":
 					action = &ConnmarkAction{}
+				case "csum":
+					action = &CsumAction{}
 				case "gact":
 					action = &GenericAction{}
 				case "tunnel_key":
@@ -755,6 +767,14 @@ func parseActions(tables []syscall.NetlinkRouteAttr) ([]Action, error) {
 							toAttrs(&connmark.TcGen, action.Attrs())
 							action.(*ConnmarkAction).Zone = connmark.Zone
 						}
+					case "csum":
+						switch adatum.Attr.Type {
+						case nl.TCA_CSUM_PARMS:
+							csum := *nl.DeserializeTcCsum(adatum.Value)
+							action.(*CsumAction).ActionAttrs = ActionAttrs{}
+							toAttrs(&csum.TcGen, action.Attrs())
+							action.(*CsumAction).UpdateFlags = CsumUpdateFlags(csum.UpdateFlags)
+						}
 					case "gact":
 						switch adatum.Attr.Type {
 						case nl.TCA_GACT_PARMS:

vendor/github.com/vishvananda/netlink/nl/nl_linux.go

@@ -504,8 +504,10 @@ func (req *NetlinkRequest) Execute(sockType int, resType uint16) ([][]byte, erro
 		if err := s.SetReceiveTimeout(&SocketTimeoutTv); err != nil {
 			return nil, err
 		}
-		if err := s.SetExtAck(EnableErrorMessageReporting); err != nil {
-			return nil, err
+		if EnableErrorMessageReporting {
+			if err := s.SetExtAck(true); err != nil {
+				return nil, err
+			}
 		}
 
 		defer s.Close()

vendor/github.com/vishvananda/netlink/nl/tc_linux.go

@@ -90,6 +90,7 @@ const (
 	SizeofTcU32Sel       = 0x10 // without keys
 	SizeofTcGen          = 0x14
 	SizeofTcConnmark     = SizeofTcGen + 0x04
+	SizeofTcCsum         = SizeofTcGen + 0x04
 	SizeofTcMirred       = SizeofTcGen + 0x08
 	SizeofTcTunnelKey    = SizeofTcGen + 0x04
 	SizeofTcSkbEdit      = SizeofTcGen
@@ -694,6 +695,36 @@ func (x *TcConnmark) Serialize() []byte {
 	return (*(*[SizeofTcConnmark]byte)(unsafe.Pointer(x)))[:]
 }
 
+const (
+	TCA_CSUM_UNSPEC = iota
+	TCA_CSUM_PARMS
+	TCA_CSUM_TM
+	TCA_CSUM_PAD
+	TCA_CSUM_MAX = TCA_CSUM_PAD
+)
+
+// struct tc_csum {
+//   tc_gen;
+//   __u32 update_flags;
+// }
+
+type TcCsum struct {
+	TcGen
+	UpdateFlags uint32
+}
+
+func (msg *TcCsum) Len() int {
+	return SizeofTcCsum
+}
+
+func DeserializeTcCsum(b []byte) *TcCsum {
+	return (*TcCsum)(unsafe.Pointer(&b[0:SizeofTcCsum][0]))
+}
+
+func (x *TcCsum) Serialize() []byte {
+	return (*(*[SizeofTcCsum]byte)(unsafe.Pointer(x)))[:]
+}
+
 const (
 	TCA_ACT_MIRRED = 8
 )