diff --git a/parsers/actions/set-bc-mark.go b/parsers/actions/set-bc-mark.go
new file mode 100644
index 0000000..973e0f8
--- /dev/null
+++ b/parsers/actions/set-bc-mark.go
@@ -0,0 +1,76 @@
+/*
+Copyright 2024 HAProxy Technologies
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+//nolint:dupl
+package actions
+
+import (
+	"fmt"
+	"math"
+	"strings"
+
+	"github.com/haproxytech/config-parser/v5/common"
+	"github.com/haproxytech/config-parser/v5/types"
+)
+
+type SetBcMark struct {
+	Expr     common.Expression
+	Cond     string
+	CondTest string
+	Comment  string
+}
+
+func (f *SetBcMark) Parse(parts []string, parserType types.ParserType, comment string) error {
+	if comment != "" {
+		f.Comment = comment
+	}
+	if len(parts) < 3 {
+		return fmt.Errorf("not enough params")
+	}
+	var command []string
+	switch parserType {
+	case types.HTTP:
+		command = parts[2:]
+	case types.TCP:
+		command = parts[3:]
+	}
+	command, condition := common.SplitRequest(command)
+
+	if len(command) > 0 {
+		if len(command) == 1 && !validateUnsignedNumber(command[0], math.MaxUint32) {
+			return fmt.Errorf("number '%s' is not a valid mark value", command[0])
+		}
+		expr := common.Expression{}
+		err := expr.Parse(command)
+		if err != nil {
+			return fmt.Errorf("not enough params")
+		}
+		f.Expr = expr
+	}
+	if len(condition) > 1 {
+		f.Cond = condition[0]
+		f.CondTest = strings.Join(condition[1:], " ")
+	}
+	return nil
+}
+
+func (f *SetBcMark) String() string {
+	return common.SmartJoin("set-bc-mark", f.Expr.String(), f.Cond, f.CondTest)
+}
+
+func (f *SetBcMark) GetComment() string {
+	return f.Comment
+}
diff --git a/parsers/actions/set-bc-tos.go b/parsers/actions/set-bc-tos.go
new file mode 100644
index 0000000..16fbb49
--- /dev/null
+++ b/parsers/actions/set-bc-tos.go
@@ -0,0 +1,76 @@
+/*
+Copyright 2024 HAProxy Technologies
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+//nolint:dupl
+package actions
+
+import (
+	"fmt"
+	"math"
+	"strings"
+
+	"github.com/haproxytech/config-parser/v5/common"
+	"github.com/haproxytech/config-parser/v5/types"
+)
+
+type SetBcTos struct {
+	Expr     common.Expression
+	Cond     string
+	CondTest string
+	Comment  string
+}
+
+func (f *SetBcTos) Parse(parts []string, parserType types.ParserType, comment string) error {
+	if comment != "" {
+		f.Comment = comment
+	}
+	if len(parts) < 3 {
+		return fmt.Errorf("not enough params")
+	}
+	var command []string
+	switch parserType {
+	case types.HTTP:
+		command = parts[2:]
+	case types.TCP:
+		command = parts[3:]
+	}
+	command, condition := common.SplitRequest(command)
+
+	if len(command) > 0 {
+		if len(command) == 1 && !validateUnsignedNumber(command[0], math.MaxUint8) {
+			return fmt.Errorf("number '%s' is not a valid TOS value", command[0])
+		}
+		expr := common.Expression{}
+		err := expr.Parse(command)
+		if err != nil {
+			return fmt.Errorf("not enough params")
+		}
+		f.Expr = expr
+	}
+	if len(condition) > 1 {
+		f.Cond = condition[0]
+		f.CondTest = strings.Join(condition[1:], " ")
+	}
+	return nil
+}
+
+func (f *SetBcTos) String() string {
+	return common.SmartJoin("set-bc-tos", f.Expr.String(), f.Cond, f.CondTest)
+}
+
+func (f *SetBcTos) GetComment() string {
+	return f.Comment
+}
diff --git a/parsers/actions/set-fc-mark.go b/parsers/actions/set-fc-mark.go
new file mode 100644
index 0000000..fbd7ec3
--- /dev/null
+++ b/parsers/actions/set-fc-mark.go
@@ -0,0 +1,76 @@
+/*
+Copyright 2024 HAProxy Technologies
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+//nolint:dupl
+package actions
+
+import (
+	"fmt"
+	"math"
+	"strings"
+
+	"github.com/haproxytech/config-parser/v5/common"
+	"github.com/haproxytech/config-parser/v5/types"
+)
+
+type SetFcMark struct {
+	Expr     common.Expression
+	Cond     string
+	CondTest string
+	Comment  string
+}
+
+func (f *SetFcMark) Parse(parts []string, parserType types.ParserType, comment string) error {
+	if comment != "" {
+		f.Comment = comment
+	}
+	if len(parts) < 3 {
+		return fmt.Errorf("not enough params")
+	}
+	var command []string
+	switch parserType {
+	case types.HTTP:
+		command = parts[2:]
+	case types.TCP:
+		command = parts[3:]
+	}
+	command, condition := common.SplitRequest(command)
+
+	if len(command) > 0 {
+		if len(command) == 1 && !validateUnsignedNumber(command[0], math.MaxUint32) {
+			return fmt.Errorf("number '%s' is not a valid mark value", command[0])
+		}
+		expr := common.Expression{}
+		err := expr.Parse(command)
+		if err != nil {
+			return fmt.Errorf("not enough params")
+		}
+		f.Expr = expr
+	}
+	if len(condition) > 1 {
+		f.Cond = condition[0]
+		f.CondTest = strings.Join(condition[1:], " ")
+	}
+	return nil
+}
+
+func (f *SetFcMark) String() string {
+	return common.SmartJoin("set-fc-mark", f.Expr.String(), f.Cond, f.CondTest)
+}
+
+func (f *SetFcMark) GetComment() string {
+	return f.Comment
+}
diff --git a/parsers/actions/set-fc-tos.go b/parsers/actions/set-fc-tos.go
new file mode 100644
index 0000000..85f465e
--- /dev/null
+++ b/parsers/actions/set-fc-tos.go
@@ -0,0 +1,94 @@
+/*
+Copyright 2024 HAProxy Technologies
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package actions
+
+import (
+	"fmt"
+	"math"
+	"strconv"
+	"strings"
+
+	"github.com/haproxytech/config-parser/v5/common"
+	"github.com/haproxytech/config-parser/v5/types"
+)
+
+type SetFcTos struct {
+	Expr     common.Expression
+	Cond     string
+	CondTest string
+	Comment  string
+}
+
+func (f *SetFcTos) Parse(parts []string, parserType types.ParserType, comment string) error {
+	if comment != "" {
+		f.Comment = comment
+	}
+	if len(parts) < 3 {
+		return fmt.Errorf("not enough params")
+	}
+	var command []string
+	switch parserType {
+	case types.HTTP:
+		command = parts[2:]
+	case types.TCP:
+		command = parts[3:]
+	}
+	command, condition := common.SplitRequest(command)
+
+	if len(command) > 0 {
+		if len(command) == 1 && !validateUnsignedNumber(command[0], math.MaxUint8) {
+			return fmt.Errorf("number '%s' is not a valid TOS value", command[0])
+		}
+		expr := common.Expression{}
+		err := expr.Parse(command)
+		if err != nil {
+			return fmt.Errorf("not enough params")
+		}
+		f.Expr = expr
+	}
+	if len(condition) > 1 {
+		f.Cond = condition[0]
+		f.CondTest = strings.Join(condition[1:], " ")
+	}
+	return nil
+}
+
+func (f *SetFcTos) String() string {
+	return common.SmartJoin("set-fc-tos", f.Expr.String(), f.Cond, f.CondTest)
+}
+
+func (f *SetFcTos) GetComment() string {
+	return f.Comment
+}
+
+// Test if the given string is an unsigned integer between zero and "max".
+// The number can be in decimal or hexadecimal (0x).
+// If the parsing failed, assume the string was an Expr and return true.
+func validateUnsignedNumber(text string, max int64) bool {
+	var n int64
+	var err error
+	if strings.HasPrefix(text, "0x") {
+		n, err = strconv.ParseInt(text, 16, 64)
+	} else {
+		n, err = strconv.ParseInt(text, 10, 64)
+	}
+	if err != nil {
+		// Assume it was an expression, not a number.
+		return true
+	}
+	return n >= 0 && n <= max
+}
diff --git a/parsers/http/http-request.go b/parsers/http/http-request.go
index 41590d9..8bf8016 100644
--- a/parsers/http/http-request.go
+++ b/parsers/http/http-request.go
@@ -137,6 +137,14 @@ func (h *Requests) Parse(line string, parts []string, comment string) (string, e
 			err = h.ParseHTTPRequest(&httpActions.WaitForHandshake{}, parts, comment)
 		case "set-bandwidth-limit":
 			err = h.ParseHTTPRequest(&actions.SetBandwidthLimit{}, parts, comment)
+		case "set-bc-mark":
+			err = h.ParseHTTPRequest(&actions.SetBcMark{}, parts, comment)
+		case "set-bc-tos":
+			err = h.ParseHTTPRequest(&actions.SetBcTos{}, parts, comment)
+		case "set-fc-mark":
+			err = h.ParseHTTPRequest(&actions.SetFcMark{}, parts, comment)
+		case "set-fc-tos":
+			err = h.ParseHTTPRequest(&actions.SetFcTos{}, parts, comment)
 		default:
 			switch {
 			case strings.HasPrefix(parts[1], "track-sc"):
diff --git a/parsers/http/http-response.go b/parsers/http/http-response.go
index faad182..046f4e1 100644
--- a/parsers/http/http-response.go
+++ b/parsers/http/http-response.go
@@ -95,6 +95,10 @@ func (h *Responses) Parse(line string, parts []string, comment string) (string,
 			err = h.ParseHTTPResponse(&httpActions.WaitForBody{}, parts, comment)
 		case "set-bandwidth-limit":
 			err = h.ParseHTTPResponse(&actions.SetBandwidthLimit{}, parts, comment)
+		case "set-fc-mark":
+			err = h.ParseHTTPResponse(&actions.SetFcMark{}, parts, comment)
+		case "set-fc-tos":
+			err = h.ParseHTTPResponse(&actions.SetFcTos{}, parts, comment)
 		default:
 			switch {
 			case strings.HasPrefix(parts[1], "track-sc"):
diff --git a/parsers/tcp/types/connection.go b/parsers/tcp/types/connection.go
index eff71f6..421fb56 100644
--- a/parsers/tcp/types/connection.go
+++ b/parsers/tcp/types/connection.go
@@ -73,6 +73,10 @@ func (f *Connection) Parse(parts []string, comment string) error {
 		err = f.ParseAction(&actions.SetSrcPort{}, parts)
 	case "set-dst-port":
 		err = f.ParseAction(&actions.SetDstPort{}, parts)
+	case "set-fc-mark":
+		err = f.ParseAction(&actions.SetFcMark{}, parts)
+	case "set-fc-tos":
+		err = f.ParseAction(&actions.SetFcTos{}, parts)
 	default:
 		switch {
 		case strings.HasPrefix(parts[2], "track-sc"):
diff --git a/parsers/tcp/types/content.go b/parsers/tcp/types/content.go
index 50dfa99..446b6fe 100644
--- a/parsers/tcp/types/content.go
+++ b/parsers/tcp/types/content.go
@@ -85,6 +85,14 @@ func (f *Content) Parse(parts []string, comment string) error { //nolint:gocyclo
 		err = f.ParseAction(&tcpActions.SwitchMode{}, parts)
 	case "close":
 		err = f.ParseAction(&tcpActions.Close{}, parts)
+	case "set-bc-mark":
+		err = f.ParseAction(&actions.SetBcMark{}, parts)
+	case "set-bc-tos":
+		err = f.ParseAction(&actions.SetBcTos{}, parts)
+	case "set-fc-mark":
+		err = f.ParseAction(&actions.SetFcMark{}, parts)
+	case "set-fc-tos":
+		err = f.ParseAction(&actions.SetFcTos{}, parts)
 	default:
 		switch {
 		case strings.HasPrefix(parts[2], "track-sc"):
diff --git a/parsers/tcp/types/session.go b/parsers/tcp/types/session.go
index 04bbf2e..6bd609b 100644
--- a/parsers/tcp/types/session.go
+++ b/parsers/tcp/types/session.go
@@ -57,6 +57,10 @@ func (f *Session) Parse(parts []string, comment string) error {
 		err = f.ParseAction(&actions.Reject{}, parts)
 	case "silent-drop":
 		err = f.ParseAction(&actions.SilentDrop{}, parts)
+	case "set-fc-mark":
+		err = f.ParseAction(&actions.SetFcMark{}, parts)
+	case "set-fc-tos":
+		err = f.ParseAction(&actions.SetFcTos{}, parts)
 	default:
 		switch {
 		case strings.HasPrefix(parts[2], "track-sc"):
diff --git a/tests/configs/haproxy_generated.cfg.go b/tests/configs/haproxy_generated.cfg.go
index 53d58d8..eed14bb 100644
--- a/tests/configs/haproxy_generated.cfg.go
+++ b/tests/configs/haproxy_generated.cfg.go
@@ -585,6 +585,12 @@ backend test
   http-request set-bandwidth-limit my-limit limit 1m period 10s
   http-request set-bandwidth-limit my-limit period 10s
   http-request set-bandwidth-limit my-limit limit 1m
+  http-request set-bc-mark 123
+  http-request set-bc-mark 0xffffffff
+  http-request set-bc-mark hdr(port) if FALSE
+  http-request set-bc-tos 10
+  http-request set-fc-mark 0
+  http-request set-fc-tos 0xff if TRUE
   http-request add-header Authorization Basic\ eC1oYXByb3h5LXJlY3J1aXRzOlBlb3BsZSB3aG8gZGVjb2RlIG1lc3NhZ2VzIG9mdGVuIGxvdmUgd29ya2luZyBhdCBIQVByb3h5LiBEbyBub3QgYmUgc2h5LCBjb250YWN0IHVz
   http-request add-header Authorisation "Basic eC1oYXByb3h5LXJlY3J1aXRzOlBlb3BsZSB3aG8gZGVjb2RlIG1lc3NhZ2VzIG9mdGVuIGxvdmUgd29ya2luZyBhdCBIQVByb3h5LiBEbyBub3QgYmUgc2h5LCBjb250YWN0IHVz"
   http-request return status 200 content-type "text/plain" string "My content" if { var(txn.myip) -m found }
@@ -690,6 +696,8 @@ backend test
   http-response set-bandwidth-limit my-limit limit 1m period 10s
   http-response set-bandwidth-limit my-limit period 10s
   http-response set-bandwidth-limit my-limit limit 1m
+  http-response set-fc-mark 2000
+  http-response set-fc-tos 200
   http-response return status 200 content-type "text/plain" string "My content" if { var(txn.myip) -m found }
   http-response return status 200 content-type "text/plain" string "My content" unless { var(txn.myip) -m found }
   http-response return content-type "text/plain" string "My content" if { var(txn.myip) -m found }
@@ -975,6 +983,14 @@ backend test
   tcp-request content switch-mode http
   tcp-request content switch-mode http if FALSE
   tcp-request content switch-mode http proto my-proto
+  tcp-request connection set-fc-mark 1
+  tcp-request connection set-fc-tos 1
+  tcp-request session set-fc-mark 9999 if some_check
+  tcp-request session set-fc-tos 255
+  tcp-request content set-bc-mark hdr(port)
+  tcp-request content set-bc-tos 0xff if some_check
+  tcp-request content set-fc-mark 0xffffffff
+  tcp-request content set-fc-tos 100
   tcp-response content lua.foo
   tcp-response content lua.foo param if !HTTP
   tcp-response content lua.foo param param1
@@ -1000,6 +1016,8 @@ backend test
   tcp-response content sc-inc-gpc0(2) if is-error
   tcp-response content sc-inc-gpc1(2)
   tcp-response content sc-inc-gpc1(2) if is-error
+  tcp-response content set-fc-mark 123456
+  tcp-response content set-fc-tos 0x02
   redirect prefix http://www.bar.com code 301 if { hdr(host) -i foo.com }
   stats auth admin1:AdMiN123
   stats enable
@@ -1668,6 +1686,12 @@ frontend test
   http-request set-bandwidth-limit my-limit limit 1m period 10s
   http-request set-bandwidth-limit my-limit period 10s
   http-request set-bandwidth-limit my-limit limit 1m
+  http-request set-bc-mark 123
+  http-request set-bc-mark 0xffffffff
+  http-request set-bc-mark hdr(port) if FALSE
+  http-request set-bc-tos 10
+  http-request set-fc-mark 0
+  http-request set-fc-tos 0xff if TRUE
   http-request capture req.cook_cnt(FirstVisit),bool len 10
   http-request add-header Authorization Basic\ eC1oYXByb3h5LXJlY3J1aXRzOlBlb3BsZSB3aG8gZGVjb2RlIG1lc3NhZ2VzIG9mdGVuIGxvdmUgd29ya2luZyBhdCBIQVByb3h5LiBEbyBub3QgYmUgc2h5LCBjb250YWN0IHVz
   http-request add-header Authorisation "Basic eC1oYXByb3h5LXJlY3J1aXRzOlBlb3BsZSB3aG8gZGVjb2RlIG1lc3NhZ2VzIG9mdGVuIGxvdmUgd29ya2luZyBhdCBIQVByb3h5LiBEbyBub3QgYmUgc2h5LCBjb250YWN0IHVz"
@@ -1774,6 +1798,8 @@ frontend test
   http-response set-bandwidth-limit my-limit limit 1m period 10s
   http-response set-bandwidth-limit my-limit period 10s
   http-response set-bandwidth-limit my-limit limit 1m
+  http-response set-fc-mark 2000
+  http-response set-fc-tos 200
   http-response capture res.hdr(Server) id 0
   http-response return status 200 content-type "text/plain" string "My content" if { var(txn.myip) -m found }
   http-response return status 200 content-type "text/plain" string "My content" unless { var(txn.myip) -m found }
@@ -1998,6 +2024,14 @@ frontend test
   tcp-request content switch-mode http
   tcp-request content switch-mode http if FALSE
   tcp-request content switch-mode http proto my-proto
+  tcp-request connection set-fc-mark 1
+  tcp-request connection set-fc-tos 1
+  tcp-request session set-fc-mark 9999 if some_check
+  tcp-request session set-fc-tos 255
+  tcp-request content set-bc-mark hdr(port)
+  tcp-request content set-bc-tos 0xff if some_check
+  tcp-request content set-fc-mark 0xffffffff
+  tcp-request content set-fc-tos 100
   tcp-response content lua.foo
   tcp-response content lua.foo param if !HTTP
   tcp-response content lua.foo param param1
@@ -2023,6 +2057,8 @@ frontend test
   tcp-response content sc-inc-gpc0(2) if is-error
   tcp-response content sc-inc-gpc1(2)
   tcp-response content sc-inc-gpc1(2) if is-error
+  tcp-response content set-fc-mark 123456
+  tcp-response content set-fc-tos 0x02
   redirect prefix http://www.bar.com code 301 if { hdr(host) -i foo.com }
   stats auth admin1:AdMiN123
   stats enable
@@ -3689,6 +3725,18 @@ var configTests = []configTest{{`  command spoa-mirror --runtime 0 --mirror-url
 	{`  http-request set-bandwidth-limit my-limit period 10s
 `, 2},
 	{`  http-request set-bandwidth-limit my-limit limit 1m
+`, 2},
+	{`  http-request set-bc-mark 123
+`, 2},
+	{`  http-request set-bc-mark 0xffffffff
+`, 2},
+	{`  http-request set-bc-mark hdr(port) if FALSE
+`, 2},
+	{`  http-request set-bc-tos 10
+`, 2},
+	{`  http-request set-fc-mark 0
+`, 2},
+	{`  http-request set-fc-tos 0xff if TRUE
 `, 2},
 	{`  http-request capture req.cook_cnt(FirstVisit),bool len 10
 `, 1},
@@ -3875,6 +3923,10 @@ var configTests = []configTest{{`  command spoa-mirror --runtime 0 --mirror-url
 	{`  http-response set-bandwidth-limit my-limit period 10s
 `, 2},
 	{`  http-response set-bandwidth-limit my-limit limit 1m
+`, 2},
+	{`  http-response set-fc-mark 2000
+`, 2},
+	{`  http-response set-fc-tos 200
 `, 2},
 	{`  http-response capture res.hdr(Server) id 0
 `, 1},
@@ -4389,6 +4441,22 @@ var configTests = []configTest{{`  command spoa-mirror --runtime 0 --mirror-url
 	{`  tcp-request content switch-mode http if FALSE
 `, 2},
 	{`  tcp-request content switch-mode http proto my-proto
+`, 2},
+	{`  tcp-request connection set-fc-mark 1
+`, 2},
+	{`  tcp-request connection set-fc-tos 1
+`, 2},
+	{`  tcp-request session set-fc-mark 9999 if some_check
+`, 2},
+	{`  tcp-request session set-fc-tos 255
+`, 2},
+	{`  tcp-request content set-bc-mark hdr(port)
+`, 2},
+	{`  tcp-request content set-bc-tos 0xff if some_check
+`, 2},
+	{`  tcp-request content set-fc-mark 0xffffffff
+`, 2},
+	{`  tcp-request content set-fc-tos 100
 `, 2},
 	{`  tcp-response content lua.foo
 `, 2},
@@ -4439,6 +4507,10 @@ var configTests = []configTest{{`  command spoa-mirror --runtime 0 --mirror-url
 	{`  tcp-response content sc-inc-gpc1(2)
 `, 2},
 	{`  tcp-response content sc-inc-gpc1(2) if is-error
+`, 2},
+	{`  tcp-response content set-fc-mark 123456
+`, 2},
+	{`  tcp-response content set-fc-tos 0x02
 `, 2},
 	{`  redirect prefix http://www.bar.com code 301 if { hdr(host) -i foo.com }
 `, 2},
diff --git a/tests/http-request_generated_test.go b/tests/http-request_generated_test.go
index 590f73f..69382ab 100644
--- a/tests/http-request_generated_test.go
+++ b/tests/http-request_generated_test.go
@@ -194,6 +194,12 @@ func TestRequestshttp(t *testing.T) {
 		"http-request set-bandwidth-limit my-limit limit 1m period 10s":                                                      true,
 		"http-request set-bandwidth-limit my-limit period 10s":                                                               true,
 		"http-request set-bandwidth-limit my-limit limit 1m":                                                                 true,
+		"http-request set-bc-mark 123":                                                                                       true,
+		"http-request set-bc-mark 0xffffffff":                                                                                true,
+		"http-request set-bc-mark hdr(port) if FALSE":                                                                        true,
+		"http-request set-bc-tos 10":                                                                                         true,
+		"http-request set-fc-mark 0":                                                                                         true,
+		"http-request set-fc-tos 0xff if TRUE":                                                                               true,
 		`http-request add-header Authorization Basic\ eC1oYXByb3h5LXJlY3J1aXRzOlBlb3BsZSB3aG8gZGVjb2RlIG1lc3NhZ2VzIG9mdGVuIGxvdmUgd29ya2luZyBhdCBIQVByb3h5LiBEbyBub3QgYmUgc2h5LCBjb250YWN0IHVz`:  true,
 		`http-request add-header Authorisation "Basic eC1oYXByb3h5LXJlY3J1aXRzOlBlb3BsZSB3aG8gZGVjb2RlIG1lc3NhZ2VzIG9mdGVuIGxvdmUgd29ya2luZyBhdCBIQVByb3h5LiBEbyBub3QgYmUgc2h5LCBjb250YWN0IHVz"`: true,
 		`http-request return status 200 content-type "text/plain" string "My content" if { var(txn.myip) -m found }`:                                                                             true,
diff --git a/tests/http-response_generated_test.go b/tests/http-response_generated_test.go
index e3c6121..3b32309 100644
--- a/tests/http-response_generated_test.go
+++ b/tests/http-response_generated_test.go
@@ -120,6 +120,8 @@ func TestResponseshttp(t *testing.T) {
 		"http-response set-bandwidth-limit my-limit limit 1m period 10s":                                                            true,
 		"http-response set-bandwidth-limit my-limit period 10s":                                                                     true,
 		"http-response set-bandwidth-limit my-limit limit 1m":                                                                       true,
+		"http-response set-fc-mark 2000":                                                                                            true,
+		"http-response set-fc-tos 200":                                                                                              true,
 		`http-response return status 200 content-type "text/plain" string "My content" if { var(txn.myip) -m found }`:               true,
 		`http-response return status 200 content-type "text/plain" string "My content" unless { var(txn.myip) -m found }`:                          true,
 		`http-response return content-type "text/plain" string "My content" if { var(txn.myip) -m found }`:                                         true,
diff --git a/tests/integration/backend_data_test.go b/tests/integration/backend_data_test.go
index 6581379..4c01d2d 100644
--- a/tests/integration/backend_data_test.go
+++ b/tests/integration/backend_data_test.go
@@ -2561,6 +2561,30 @@ const backend_httprequestsetbandwidthlimitmyli___ = `
 backend test
   http-request set-bandwidth-limit my-limit limit 1m
 `
+const backend_httprequestsetbcmark123 = `
+backend test
+  http-request set-bc-mark 123
+`
+const backend_httprequestsetbcmark0xffffffff = `
+backend test
+  http-request set-bc-mark 0xffffffff
+`
+const backend_httprequestsetbcmarkhdrportifFAL = `
+backend test
+  http-request set-bc-mark hdr(port) if FALSE
+`
+const backend_httprequestsetbctos10 = `
+backend test
+  http-request set-bc-tos 10
+`
+const backend_httprequestsetfcmark0 = `
+backend test
+  http-request set-fc-mark 0
+`
+const backend_httprequestsetfctos0xffifTRUE = `
+backend test
+  http-request set-fc-tos 0xff if TRUE
+`
 const backend_httprequestaddheaderAuthorizatio = `
 backend test
   http-request add-header Authorization Basic\ eC1oYXByb3h5LXJlY3J1aXRzOlBlb3BsZSB3aG8gZGVjb2RlIG1lc3NhZ2VzIG9mdGVuIGxvdmUgd29ya2luZyBhdCBIQVByb3h5LiBEbyBub3QgYmUgc2h5LCBjb250YWN0IHVz
@@ -2981,6 +3005,14 @@ const backend_httpresponsesetbandwidthlimitmyl___ = `
 backend test
   http-response set-bandwidth-limit my-limit limit 1m
 `
+const backend_httpresponsesetfcmark2000 = `
+backend test
+  http-response set-fc-mark 2000
+`
+const backend_httpresponsesetfctos200 = `
+backend test
+  http-response set-fc-tos 200
+`
 const backend_httpresponsereturnstatus200conte = `
 backend test
   http-response return status 200 content-type "text/plain" string "My content" if { var(txn.myip) -m found }
@@ -4121,6 +4153,38 @@ const backend_tcprequestcontentswitchmodehttpp = `
 backend test
   tcp-request content switch-mode http proto my-proto
 `
+const backend_tcprequestconnectionsetfcmark1 = `
+backend test
+  tcp-request connection set-fc-mark 1
+`
+const backend_tcprequestconnectionsetfctos1 = `
+backend test
+  tcp-request connection set-fc-tos 1
+`
+const backend_tcprequestsessionsetfcmark9999if = `
+backend test
+  tcp-request session set-fc-mark 9999 if some_check
+`
+const backend_tcprequestsessionsetfctos255 = `
+backend test
+  tcp-request session set-fc-tos 255
+`
+const backend_tcprequestcontentsetbcmarkhdrpor = `
+backend test
+  tcp-request content set-bc-mark hdr(port)
+`
+const backend_tcprequestcontentsetbctos0xffifs = `
+backend test
+  tcp-request content set-bc-tos 0xff if some_check
+`
+const backend_tcprequestcontentsetfcmark0xffff = `
+backend test
+  tcp-request content set-fc-mark 0xffffffff
+`
+const backend_tcprequestcontentsetfctos100 = `
+backend test
+  tcp-request content set-fc-tos 100
+`
 const backend_tcpresponsecontentluafoo = `
 backend test
   tcp-response content lua.foo
@@ -4221,6 +4285,14 @@ const backend_tcpresponsecontentscincgpc12ifis_ = `
 backend test
   tcp-response content sc-inc-gpc1(2) if is-error
 `
+const backend_tcpresponsecontentsetfcmark12345 = `
+backend test
+  tcp-response content set-fc-mark 123456
+`
+const backend_tcpresponsecontentsetfctos0x02 = `
+backend test
+  tcp-response content set-fc-tos 0x02
+`
 const backend_redirectprefixhttpwwwbarcomcode3 = `
 backend test
   redirect prefix http://www.bar.com code 301 if { hdr(host) -i foo.com }
diff --git a/tests/integration/backend_test.go b/tests/integration/backend_test.go
index f30d912..2576b57 100644
--- a/tests/integration/backend_test.go
+++ b/tests/integration/backend_test.go
@@ -461,6 +461,10 @@ func TestWholeConfigsSectionsBackend(t *testing.T) {
 		{"backend_httprequestsetbandwidthlimitmyli_", backend_httprequestsetbandwidthlimitmyli_},
 		{"backend_httprequestsetbandwidthlimitmyli__", backend_httprequestsetbandwidthlimitmyli__},
 		{"backend_httprequestsetbandwidthlimitmyli___", backend_httprequestsetbandwidthlimitmyli___},
+		{"backend_httprequestsetbcmark0xffffffff", backend_httprequestsetbcmark0xffffffff},
+		{"backend_httprequestsetbcmark123", backend_httprequestsetbcmark123},
+		{"backend_httprequestsetbcmarkhdrportifFAL", backend_httprequestsetbcmarkhdrportifFAL},
+		{"backend_httprequestsetbctos10", backend_httprequestsetbctos10},
 		{"backend_httprequestsetdstporthdrxport", backend_httprequestsetdstporthdrxport},
 		{"backend_httprequestsetdstporthdrxportifv", backend_httprequestsetdstporthdrxportifv},
 		{"backend_httprequestsetdstporthdrxportunl", backend_httprequestsetdstporthdrxportunl},
@@ -468,6 +472,8 @@ func TestWholeConfigsSectionsBackend(t *testing.T) {
 		{"backend_httprequestsetdstvartxnmyip", backend_httprequestsetdstvartxnmyip},
 		{"backend_httprequestsetdstvartxnmyipifvar", backend_httprequestsetdstvartxnmyipifvar},
 		{"backend_httprequestsetdstvartxnmyipunles", backend_httprequestsetdstvartxnmyipunles},
+		{"backend_httprequestsetfcmark0", backend_httprequestsetfcmark0},
+		{"backend_httprequestsetfctos0xffifTRUE", backend_httprequestsetfctos0xffifTRUE},
 		{"backend_httprequestsetheaderXvaluevalue", backend_httprequestsetheaderXvaluevalue},
 		{"backend_httprequestsetloglevelsilent", backend_httprequestsetloglevelsilent},
 		{"backend_httprequestsetmapmaplstsrcreqhdr", backend_httprequestsetmapmaplstsrcreqhdr},
@@ -594,6 +600,8 @@ func TestWholeConfigsSectionsBackend(t *testing.T) {
 		{"backend_httpresponsesetbandwidthlimitmyl_", backend_httpresponsesetbandwidthlimitmyl_},
 		{"backend_httpresponsesetbandwidthlimitmyl__", backend_httpresponsesetbandwidthlimitmyl__},
 		{"backend_httpresponsesetbandwidthlimitmyl___", backend_httpresponsesetbandwidthlimitmyl___},
+		{"backend_httpresponsesetfcmark2000", backend_httpresponsesetfcmark2000},
+		{"backend_httpresponsesetfctos200", backend_httpresponsesetfctos200},
 		{"backend_httpresponsesetheaderXvaluevalue", backend_httpresponsesetheaderXvaluevalue},
 		{"backend_httpresponsesetloglevelsilent", backend_httpresponsesetloglevelsilent},
 		{"backend_httpresponsesetmapmaplstsrcreshd", backend_httpresponsesetmapmaplstsrcreshd},
@@ -938,6 +946,8 @@ func TestWholeConfigsSectionsBackend(t *testing.T) {
 		{"backend_tcprequestconnectionscincgpc12if_", backend_tcprequestconnectionscincgpc12if_},
 		{"backend_tcprequestconnectionscsetgpt0013", backend_tcprequestconnectionscsetgpt0013},
 		{"backend_tcprequestconnectionscsetgpt0013_", backend_tcprequestconnectionscsetgpt0013_},
+		{"backend_tcprequestconnectionsetfcmark1", backend_tcprequestconnectionsetfcmark1},
+		{"backend_tcprequestconnectionsetfctos1", backend_tcprequestconnectionsetfctos1},
 		{"backend_tcprequestconnectionsetmark0x1Ab", backend_tcprequestconnectionsetmark0x1Ab},
 		{"backend_tcprequestconnectionsetmark20", backend_tcprequestconnectionsetmark20},
 		{"backend_tcprequestconnectionsetsrchdrxfo", backend_tcprequestconnectionsetsrchdrxfo},
@@ -992,7 +1002,11 @@ func TestWholeConfigsSectionsBackend(t *testing.T) {
 		{"backend_tcprequestcontentsetbandwidthlim_", backend_tcprequestcontentsetbandwidthlim_},
 		{"backend_tcprequestcontentsetbandwidthlim__", backend_tcprequestcontentsetbandwidthlim__},
 		{"backend_tcprequestcontentsetbandwidthlim___", backend_tcprequestcontentsetbandwidthlim___},
+		{"backend_tcprequestcontentsetbcmarkhdrpor", backend_tcprequestcontentsetbcmarkhdrpor},
+		{"backend_tcprequestcontentsetbctos0xffifs", backend_tcprequestcontentsetbctos0xffifs},
 		{"backend_tcprequestcontentsetdstipv410001", backend_tcprequestcontentsetdstipv410001},
+		{"backend_tcprequestcontentsetfcmark0xffff", backend_tcprequestcontentsetfcmark0xffff},
+		{"backend_tcprequestcontentsetfctos100", backend_tcprequestcontentsetfctos100},
 		{"backend_tcprequestcontentsetloglevelsile", backend_tcprequestcontentsetloglevelsile},
 		{"backend_tcprequestcontentsetloglevelsile_", backend_tcprequestcontentsetloglevelsile_},
 		{"backend_tcprequestcontentsetmark0x1AbifF", backend_tcprequestcontentsetmark0x1AbifF},
@@ -1053,6 +1067,8 @@ func TestWholeConfigsSectionsBackend(t *testing.T) {
 		{"backend_tcprequestsessionscincgpc12ifise_", backend_tcprequestsessionscincgpc12ifise_},
 		{"backend_tcprequestsessionscsetgpt001337", backend_tcprequestsessionscsetgpt001337},
 		{"backend_tcprequestsessionscsetgpt001337i", backend_tcprequestsessionscsetgpt001337i},
+		{"backend_tcprequestsessionsetfcmark9999if", backend_tcprequestsessionsetfcmark9999if},
+		{"backend_tcprequestsessionsetfctos255", backend_tcprequestsessionsetfctos255},
 		{"backend_tcprequestsessionsetvarfmtsessdn", backend_tcprequestsessionsetvarfmtsessdn},
 		{"backend_tcprequestsessionsetvarfmtsesssr", backend_tcprequestsessionsetvarfmtsesssr},
 		{"backend_tcprequestsessionsetvarsessdnssl", backend_tcprequestsessionsetvarsessdnssl},
@@ -1093,6 +1109,8 @@ func TestWholeConfigsSectionsBackend(t *testing.T) {
 		{"backend_tcpresponsecontentsetbandwidthli__", backend_tcpresponsecontentsetbandwidthli__},
 		{"backend_tcpresponsecontentsetbandwidthli___", backend_tcpresponsecontentsetbandwidthli___},
 		{"backend_tcpresponsecontentsetdstdest", backend_tcpresponsecontentsetdstdest},
+		{"backend_tcpresponsecontentsetfcmark12345", backend_tcpresponsecontentsetfcmark12345},
+		{"backend_tcpresponsecontentsetfctos0x02", backend_tcpresponsecontentsetfctos0x02},
 		{"backend_tcpresponsecontentsetloglevelsil", backend_tcpresponsecontentsetloglevelsil},
 		{"backend_tcpresponsecontentsetloglevelsil_", backend_tcpresponsecontentsetloglevelsil_},
 		{"backend_tcpresponsecontentsetmark0x1Abif", backend_tcpresponsecontentsetmark0x1Abif},
diff --git a/tests/integration/frontend_data_test.go b/tests/integration/frontend_data_test.go
index 86ac8c3..011459e 100644
--- a/tests/integration/frontend_data_test.go
+++ b/tests/integration/frontend_data_test.go
@@ -1533,6 +1533,30 @@ const frontend_httprequestsetbandwidthlimitmyli___ = `
 frontend test
   http-request set-bandwidth-limit my-limit limit 1m
 `
+const frontend_httprequestsetbcmark123 = `
+frontend test
+  http-request set-bc-mark 123
+`
+const frontend_httprequestsetbcmark0xffffffff = `
+frontend test
+  http-request set-bc-mark 0xffffffff
+`
+const frontend_httprequestsetbcmarkhdrportifFAL = `
+frontend test
+  http-request set-bc-mark hdr(port) if FALSE
+`
+const frontend_httprequestsetbctos10 = `
+frontend test
+  http-request set-bc-tos 10
+`
+const frontend_httprequestsetfcmark0 = `
+frontend test
+  http-request set-fc-mark 0
+`
+const frontend_httprequestsetfctos0xffifTRUE = `
+frontend test
+  http-request set-fc-tos 0xff if TRUE
+`
 const frontend_httprequestcapturereqcookcntFirs = `
 frontend test
   http-request capture req.cook_cnt(FirstVisit),bool len 10
@@ -1957,6 +1981,14 @@ const frontend_httpresponsesetbandwidthlimitmyl___ = `
 frontend test
   http-response set-bandwidth-limit my-limit limit 1m
 `
+const frontend_httpresponsesetfcmark2000 = `
+frontend test
+  http-response set-fc-mark 2000
+`
+const frontend_httpresponsesetfctos200 = `
+frontend test
+  http-response set-fc-tos 200
+`
 const frontend_httpresponsecapturereshdrServeri = `
 frontend test
   http-response capture res.hdr(Server) id 0
@@ -2853,6 +2885,38 @@ const frontend_tcprequestcontentswitchmodehttpp = `
 frontend test
   tcp-request content switch-mode http proto my-proto
 `
+const frontend_tcprequestconnectionsetfcmark1 = `
+frontend test
+  tcp-request connection set-fc-mark 1
+`
+const frontend_tcprequestconnectionsetfctos1 = `
+frontend test
+  tcp-request connection set-fc-tos 1
+`
+const frontend_tcprequestsessionsetfcmark9999if = `
+frontend test
+  tcp-request session set-fc-mark 9999 if some_check
+`
+const frontend_tcprequestsessionsetfctos255 = `
+frontend test
+  tcp-request session set-fc-tos 255
+`
+const frontend_tcprequestcontentsetbcmarkhdrpor = `
+frontend test
+  tcp-request content set-bc-mark hdr(port)
+`
+const frontend_tcprequestcontentsetbctos0xffifs = `
+frontend test
+  tcp-request content set-bc-tos 0xff if some_check
+`
+const frontend_tcprequestcontentsetfcmark0xffff = `
+frontend test
+  tcp-request content set-fc-mark 0xffffffff
+`
+const frontend_tcprequestcontentsetfctos100 = `
+frontend test
+  tcp-request content set-fc-tos 100
+`
 const frontend_tcpresponsecontentluafoo = `
 frontend test
   tcp-response content lua.foo
@@ -2953,6 +3017,14 @@ const frontend_tcpresponsecontentscincgpc12ifis_ = `
 frontend test
   tcp-response content sc-inc-gpc1(2) if is-error
 `
+const frontend_tcpresponsecontentsetfcmark12345 = `
+frontend test
+  tcp-response content set-fc-mark 123456
+`
+const frontend_tcpresponsecontentsetfctos0x02 = `
+frontend test
+  tcp-response content set-fc-tos 0x02
+`
 const frontend_redirectprefixhttpwwwbarcomcode3 = `
 frontend test
   redirect prefix http://www.bar.com code 301 if { hdr(host) -i foo.com }
diff --git a/tests/integration/frontend_test.go b/tests/integration/frontend_test.go
index 43a1290..959d120 100644
--- a/tests/integration/frontend_test.go
+++ b/tests/integration/frontend_test.go
@@ -353,6 +353,10 @@ func TestWholeConfigsSectionsFrontend(t *testing.T) {
 		{"frontend_httprequestsetbandwidthlimitmyli_", frontend_httprequestsetbandwidthlimitmyli_},
 		{"frontend_httprequestsetbandwidthlimitmyli__", frontend_httprequestsetbandwidthlimitmyli__},
 		{"frontend_httprequestsetbandwidthlimitmyli___", frontend_httprequestsetbandwidthlimitmyli___},
+		{"frontend_httprequestsetbcmark0xffffffff", frontend_httprequestsetbcmark0xffffffff},
+		{"frontend_httprequestsetbcmark123", frontend_httprequestsetbcmark123},
+		{"frontend_httprequestsetbcmarkhdrportifFAL", frontend_httprequestsetbcmarkhdrportifFAL},
+		{"frontend_httprequestsetbctos10", frontend_httprequestsetbctos10},
 		{"frontend_httprequestsetdstporthdrxport", frontend_httprequestsetdstporthdrxport},
 		{"frontend_httprequestsetdstporthdrxportifv", frontend_httprequestsetdstporthdrxportifv},
 		{"frontend_httprequestsetdstporthdrxportunl", frontend_httprequestsetdstporthdrxportunl},
@@ -360,6 +364,8 @@ func TestWholeConfigsSectionsFrontend(t *testing.T) {
 		{"frontend_httprequestsetdstvartxnmyip", frontend_httprequestsetdstvartxnmyip},
 		{"frontend_httprequestsetdstvartxnmyipifvar", frontend_httprequestsetdstvartxnmyipifvar},
 		{"frontend_httprequestsetdstvartxnmyipunles", frontend_httprequestsetdstvartxnmyipunles},
+		{"frontend_httprequestsetfcmark0", frontend_httprequestsetfcmark0},
+		{"frontend_httprequestsetfctos0xffifTRUE", frontend_httprequestsetfctos0xffifTRUE},
 		{"frontend_httprequestsetheaderXvaluevalue", frontend_httprequestsetheaderXvaluevalue},
 		{"frontend_httprequestsetloglevelsilent", frontend_httprequestsetloglevelsilent},
 		{"frontend_httprequestsetmapmaplstsrcreqhdr", frontend_httprequestsetmapmaplstsrcreqhdr},
@@ -487,6 +493,8 @@ func TestWholeConfigsSectionsFrontend(t *testing.T) {
 		{"frontend_httpresponsesetbandwidthlimitmyl_", frontend_httpresponsesetbandwidthlimitmyl_},
 		{"frontend_httpresponsesetbandwidthlimitmyl__", frontend_httpresponsesetbandwidthlimitmyl__},
 		{"frontend_httpresponsesetbandwidthlimitmyl___", frontend_httpresponsesetbandwidthlimitmyl___},
+		{"frontend_httpresponsesetfcmark2000", frontend_httpresponsesetfcmark2000},
+		{"frontend_httpresponsesetfctos200", frontend_httpresponsesetfctos200},
 		{"frontend_httpresponsesetheaderXvaluevalue", frontend_httpresponsesetheaderXvaluevalue},
 		{"frontend_httpresponsesetloglevelsilent", frontend_httpresponsesetloglevelsilent},
 		{"frontend_httpresponsesetmapmaplstsrcreshd", frontend_httpresponsesetmapmaplstsrcreshd},
@@ -613,6 +621,8 @@ func TestWholeConfigsSectionsFrontend(t *testing.T) {
 		{"frontend_tcprequestconnectionscincgpc12if_", frontend_tcprequestconnectionscincgpc12if_},
 		{"frontend_tcprequestconnectionscsetgpt0013", frontend_tcprequestconnectionscsetgpt0013},
 		{"frontend_tcprequestconnectionscsetgpt0013_", frontend_tcprequestconnectionscsetgpt0013_},
+		{"frontend_tcprequestconnectionsetfcmark1", frontend_tcprequestconnectionsetfcmark1},
+		{"frontend_tcprequestconnectionsetfctos1", frontend_tcprequestconnectionsetfctos1},
 		{"frontend_tcprequestconnectionsetmark0x1Ab", frontend_tcprequestconnectionsetmark0x1Ab},
 		{"frontend_tcprequestconnectionsetmark20", frontend_tcprequestconnectionsetmark20},
 		{"frontend_tcprequestconnectionsetsrchdrxfo", frontend_tcprequestconnectionsetsrchdrxfo},
@@ -667,7 +677,11 @@ func TestWholeConfigsSectionsFrontend(t *testing.T) {
 		{"frontend_tcprequestcontentsetbandwidthlim_", frontend_tcprequestcontentsetbandwidthlim_},
 		{"frontend_tcprequestcontentsetbandwidthlim__", frontend_tcprequestcontentsetbandwidthlim__},
 		{"frontend_tcprequestcontentsetbandwidthlim___", frontend_tcprequestcontentsetbandwidthlim___},
+		{"frontend_tcprequestcontentsetbcmarkhdrpor", frontend_tcprequestcontentsetbcmarkhdrpor},
+		{"frontend_tcprequestcontentsetbctos0xffifs", frontend_tcprequestcontentsetbctos0xffifs},
 		{"frontend_tcprequestcontentsetdstipv410001", frontend_tcprequestcontentsetdstipv410001},
+		{"frontend_tcprequestcontentsetfcmark0xffff", frontend_tcprequestcontentsetfcmark0xffff},
+		{"frontend_tcprequestcontentsetfctos100", frontend_tcprequestcontentsetfctos100},
 		{"frontend_tcprequestcontentsetloglevelsile", frontend_tcprequestcontentsetloglevelsile},
 		{"frontend_tcprequestcontentsetloglevelsile_", frontend_tcprequestcontentsetloglevelsile_},
 		{"frontend_tcprequestcontentsetmark0x1AbifF", frontend_tcprequestcontentsetmark0x1AbifF},
@@ -728,6 +742,8 @@ func TestWholeConfigsSectionsFrontend(t *testing.T) {
 		{"frontend_tcprequestsessionscincgpc12ifise_", frontend_tcprequestsessionscincgpc12ifise_},
 		{"frontend_tcprequestsessionscsetgpt001337", frontend_tcprequestsessionscsetgpt001337},
 		{"frontend_tcprequestsessionscsetgpt001337i", frontend_tcprequestsessionscsetgpt001337i},
+		{"frontend_tcprequestsessionsetfcmark9999if", frontend_tcprequestsessionsetfcmark9999if},
+		{"frontend_tcprequestsessionsetfctos255", frontend_tcprequestsessionsetfctos255},
 		{"frontend_tcprequestsessionsetvarfmtsessdn", frontend_tcprequestsessionsetvarfmtsessdn},
 		{"frontend_tcprequestsessionsetvarfmtsesssr", frontend_tcprequestsessionsetvarfmtsesssr},
 		{"frontend_tcprequestsessionsetvarsessdnssl", frontend_tcprequestsessionsetvarsessdnssl},
@@ -768,6 +784,8 @@ func TestWholeConfigsSectionsFrontend(t *testing.T) {
 		{"frontend_tcpresponsecontentsetbandwidthli__", frontend_tcpresponsecontentsetbandwidthli__},
 		{"frontend_tcpresponsecontentsetbandwidthli___", frontend_tcpresponsecontentsetbandwidthli___},
 		{"frontend_tcpresponsecontentsetdstdest", frontend_tcpresponsecontentsetdstdest},
+		{"frontend_tcpresponsecontentsetfcmark12345", frontend_tcpresponsecontentsetfcmark12345},
+		{"frontend_tcpresponsecontentsetfctos0x02", frontend_tcpresponsecontentsetfctos0x02},
 		{"frontend_tcpresponsecontentsetloglevelsil", frontend_tcpresponsecontentsetloglevelsil},
 		{"frontend_tcpresponsecontentsetloglevelsil_", frontend_tcpresponsecontentsetloglevelsil_},
 		{"frontend_tcpresponsecontentsetmark0x1Abif", frontend_tcpresponsecontentsetmark0x1Abif},
diff --git a/tests/tcp-request_generated_test.go b/tests/tcp-request_generated_test.go
index 9cec01b..a079f58 100644
--- a/tests/tcp-request_generated_test.go
+++ b/tests/tcp-request_generated_test.go
@@ -187,6 +187,14 @@ func TestRequeststcp(t *testing.T) {
 		"tcp-request content switch-mode http":                                         true,
 		"tcp-request content switch-mode http if FALSE":                                true,
 		"tcp-request content switch-mode http proto my-proto":                          true,
+		"tcp-request connection set-fc-mark 1":                                         true,
+		"tcp-request connection set-fc-tos 1":                                          true,
+		"tcp-request session set-fc-mark 9999 if some_check":                           true,
+		"tcp-request session set-fc-tos 255":                                           true,
+		"tcp-request content set-bc-mark hdr(port)":                                    true,
+		"tcp-request content set-bc-tos 0xff if some_check":                            true,
+		"tcp-request content set-fc-mark 0xffffffff":                                   true,
+		"tcp-request content set-fc-tos 100":                                           true,
 		"tcp-request content sc-inc-gpc":                                               false,
 		"tcp-request content sc-inc-gpc0":                                              false,
 		"tcp-request content sc-inc-gpc1":                                              false,
diff --git a/tests/tcp-response_generated_test.go b/tests/tcp-response_generated_test.go
index 701e4b2..cf7c648 100644
--- a/tests/tcp-response_generated_test.go
+++ b/tests/tcp-response_generated_test.go
@@ -52,26 +52,28 @@ func TestResponsestcp(t *testing.T) {
 		"tcp-response content sc-inc-gpc0(2) if is-error":                       true,
 		"tcp-response content sc-inc-gpc1(2)":                                   true,
 		"tcp-response content sc-inc-gpc1(2) if is-error":                       true,
-		"tcp-response":                                                       false,
-		"tcp-response content lua.":                                          false,
-		"tcp-response content lua. param":                                    false,
-		"tcp-response content set-priority-class":                            false,
-		"tcp-response content do-resolve":                                    false,
-		"tcp-response content set-priority-offset":                           false,
-		"tcp-response content set-dst":                                       false,
-		"tcp-response content capture":                                       false,
-		"tcp-response content set-bandwidth-limit my-limit limit":            false,
-		"tcp-response content set-bandwidth-limit my-limit period":           false,
-		"tcp-response content set-bandwidth-limit my-limit 10s":              false,
-		"tcp-response content set-bandwidth-limit my-limit period 10s limit": false,
-		"tcp-response content set-bandwidth-limit my-limit limit period 10s": false,
-		"tcp-response content set-log-level":                                 false,
-		"tcp-response content set-mark":                                      false,
-		"tcp-response content set-tos":                                       false,
-		"tcp-response content set-nice":                                      false,
-		"tcp-response content sc-inc-gpc":                                    false,
-		"---":                                                                false,
-		"--- ---":                                                            false,
+		"tcp-response content set-fc-mark 123456":                               true,
+		"tcp-response content set-fc-tos 0x02":                                  true,
+		"tcp-response":                                                          false,
+		"tcp-response content lua.":                                             false,
+		"tcp-response content lua. param":                                       false,
+		"tcp-response content set-priority-class":                               false,
+		"tcp-response content do-resolve":                                       false,
+		"tcp-response content set-priority-offset":                              false,
+		"tcp-response content set-dst":                                          false,
+		"tcp-response content capture":                                          false,
+		"tcp-response content set-bandwidth-limit my-limit limit":               false,
+		"tcp-response content set-bandwidth-limit my-limit period":              false,
+		"tcp-response content set-bandwidth-limit my-limit 10s":                 false,
+		"tcp-response content set-bandwidth-limit my-limit period 10s limit":    false,
+		"tcp-response content set-bandwidth-limit my-limit limit period 10s":    false,
+		"tcp-response content set-log-level":                                    false,
+		"tcp-response content set-mark":                                         false,
+		"tcp-response content set-tos":                                          false,
+		"tcp-response content set-nice":                                         false,
+		"tcp-response content sc-inc-gpc":                                       false,
+		"---":                                                                   false,
+		"--- ---":                                                               false,
 	}
 	parser := &tcp.Responses{}
 	for command, shouldPass := range tests {
diff --git a/types/types-other.go b/types/types-other.go
index 575c0d1..9b9e02e 100644
--- a/types/types-other.go
+++ b/types/types-other.go
@@ -543,6 +543,12 @@ type Action interface {
 //test:fail:http-request set-bandwidth-limit my-limit 10s
 //test:fail:http-request set-bandwidth-limit my-limit period 10s limit
 //test:fail:http-request set-bandwidth-limit my-limit limit period 10s
+//test:ok:http-request set-bc-mark 123
+//test:ok:http-request set-bc-mark 0xffffffff
+//test:ok:http-request set-bc-mark hdr(port) if FALSE
+//test:ok:http-request set-bc-tos 10
+//test:ok:http-request set-fc-mark 0
+//test:ok:http-request set-fc-tos 0xff if TRUE
 type HTTPRequests struct{}
 
 //name:http-response
@@ -716,6 +722,8 @@ type HTTPRequests struct{}
 //test:fail:http-response set-bandwidth-limit my-limit 10s
 //test:fail:http-response set-bandwidth-limit my-limit period 10s limit
 //test:fail:http-response set-bandwidth-limit my-limit limit period 10s
+//test:ok:http-response set-fc-mark 2000
+//test:ok:http-response set-fc-tos 200
 type HTTPResponses struct{}
 
 //name:http-after-response
@@ -1161,7 +1169,14 @@ type TCPType interface {
 //test:fail:tcp-request content switch-mode
 //test:fail:tcp-request content switch-mode tcp
 //test:fail:tcp-request content switch-mode http proto
-
+//test:ok:tcp-request connection set-fc-mark 1
+//test:ok:tcp-request connection set-fc-tos 1
+//test:ok:tcp-request session set-fc-mark 9999 if some_check
+//test:ok:tcp-request session set-fc-tos 255
+//test:ok:tcp-request content set-bc-mark hdr(port)
+//test:ok:tcp-request content set-bc-tos 0xff if some_check
+//test:ok:tcp-request content set-fc-mark 0xffffffff
+//test:ok:tcp-request content set-fc-tos 100
 type TCPRequests struct{}
 
 //name:tcp-response
@@ -1216,6 +1231,8 @@ type TCPRequests struct{}
 //test:ok:tcp-response content sc-inc-gpc0(2) if is-error
 //test:ok:tcp-response content sc-inc-gpc1(2)
 //test:ok:tcp-response content sc-inc-gpc1(2) if is-error
+//test:ok:tcp-response content set-fc-mark 123456
+//test:ok:tcp-response content set-fc-tos 0x02
 type TCPResponses struct{}
 
 //name:redirect