MINOR: bind: add tcp-ss option

Author: mjuraga

config-parser/params/bind-options.go

@@ -306,6 +306,7 @@ var bindOptionFactoryMethods = map[string]func() BindOption{ //nolint:gochecknog
 	"ssl-max-ver":          func() BindOption { return &BindOptionValue{Name: "ssl-max-ver"} },
 	"ssl-min-ver":          func() BindOption { return &BindOptionValue{Name: "ssl-min-ver"} },
 	"tcp-md5sig":           func() BindOption { return &BindOptionValue{Name: "tcp-md5sig"} },
+	"tcp-ss":               func() BindOption { return &BindOptionValue{Name: "tcp-ss"} },
 	"tcp-ut":               func() BindOption { return &BindOptionValue{Name: "tcp-ut"} },
 	"thread":               func() BindOption { return &BindOptionValue{Name: "thread"} },
 	"tls-ticket-keys":      func() BindOption { return &BindOptionValue{Name: "tls-ticket-keys"} },

config-parser/tests/bind_generated_test.go

@@ -276,6 +276,8 @@ type ACL struct{}
 //test:ok:bind :443 ktls off
 //test:fail:bind :443 ktls
 //test:fail:bind :443 ktls something
+//test:ok:bind :443 tcp-ss 1
+//test:fail:bind :443 tcp-ss
 type Bind struct {
 	Path    string // can be address:port or socket path
 	Params  []params.BindOption

config-parser/tests/configs/haproxy_generated.cfg.go

@@ -306,6 +306,11 @@ func parseBindParams(bindOptions []params.BindOption) (models.BindParams, string
 				name = v.Value
 			case "tcp-ut":
 				b.TCPUserTimeout = misc.ParseTimeout(v.Value)
+			case "tcp-ss":
+				tcpss, err := strconv.ParseInt(v.Value, 10, 64)
+				if err == nil {
+					b.TCPSs = tcpss
+				}
 			case "tcp-md5sig":
 				b.TCPMd5sig = v.Value
 			case "crt":
@@ -486,6 +491,9 @@ func serializeBindParams(b models.BindParams, name string, path string, opt *opt
 	if b.CaVerifyFile != "" {
 		options = append(options, &params.BindOptionValue{Name: "ca-verify-file", Value: b.CaVerifyFile})
 	}
+	if b.TCPSs != 0 {
+		options = append(options, &params.BindOptionValue{Name: "tcp-ss", Value: strconv.FormatInt(b.TCPSs, 10)})
+	}
 	if b.TCPUserTimeout != nil {
 		options = append(options, &params.BindOptionValue{Name: "tcp-ut", Value: strconv.FormatInt(*b.TCPUserTimeout, 10)})
 	}