cherry-pick adjustment for uint socket mask

go.sum

@@ -247,8 +247,8 @@ github.com/pelletier/go-toml v1.8.1 h1:1Nf83orprkJyknT6h7zbuEGUEjcyVlCxSUGTENmNC
 github.com/pelletier/go-toml v1.8.1/go.mod h1:T2/BmBdy8dvIRq1a/8aqjN41wvWlN4lrapLU/GW4pbc=
 github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2 h1:JhzVVoYvbOACxoUmOs6V/G4D5nPVUW73rKvXxP4XUJc=
 github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2/go.mod h1:iIss55rKnNBTvrwdmkUpLnDpZoAHvWaiq5+iMmen4AE=
-github.com/pires/go-proxyproto v0.5.0 h1:A4Jv4ZCaV3AFJeGh5mGwkz4iuWUYMlQ7IoO/GTuSuLo=
-github.com/pires/go-proxyproto v0.5.0/go.mod h1:Odh9VFOZJCf9G8cLW5o435Xf1J95Jw9Gw5rnCjcwzAY=
+github.com/pires/go-proxyproto v0.6.1 h1:EBupykFmo22SDjv4fQVQd2J9NOoLPmyZA/15ldOGkPw=
+github.com/pires/go-proxyproto v0.6.1/go.mod h1:Odh9VFOZJCf9G8cLW5o435Xf1J95Jw9Gw5rnCjcwzAY=
 github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=

infra/conf/cfgcommon/socketcfg/socket.go

@@ -6,7 +6,7 @@ import (
 )
 
 type SocketConfig struct {
-	Mark                 int32  `json:"mark"`
+	Mark                 uint32 `json:"mark"`
 	TFO                  *bool  `json:"tcpFastOpen"`
 	TProxy               string `json:"tproxy"`
 	AcceptProxyProtocol  bool   `json:"acceptProxyProtocol"`

transport/internet/config.pb.go

@@ -409,7 +409,7 @@ type SocketConfig struct {
 	unknownFields protoimpl.UnknownFields
 
 	// Mark of the connection. If non-zero, the value will be set to SO_MARK.
-	Mark int32 `protobuf:"varint,1,opt,name=mark,proto3" json:"mark,omitempty"`
+	Mark uint32 `protobuf:"varint,1,opt,name=mark,proto3" json:"mark,omitempty"`
 	// TFO is the state of TFO settings.
 	Tfo SocketConfig_TCPFastOpenState `protobuf:"varint,2,opt,name=tfo,proto3,enum=v2ray.core.transport.internet.SocketConfig_TCPFastOpenState" json:"tfo,omitempty"`
 	// TProxy is for enabling TProxy socket option.
@@ -455,7 +455,7 @@ func (*SocketConfig) Descriptor() ([]byte, []int) {
 	return file_transport_internet_config_proto_rawDescGZIP(), []int{3}
 }
 
-func (x *SocketConfig) GetMark() int32 {
+func (x *SocketConfig) GetMark() uint32 {
 	if x != nil {
 		return x.Mark
 	}
@@ -564,7 +564,7 @@ var file_transport_internet_config_proto_rawDesc = []byte{
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