From 81c2d6963b5ee90eb91addc5af247b704415d268 Mon Sep 17 00:00:00 2001
From: xjasonlyu <xjasonlyu@gmail.com>
Date: Fri, 1 Apr 2022 22:26:05 +0800
Subject: [PATCH] Chore: reorder const and func

---
 core/option/option.go | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/core/option/option.go b/core/option/option.go
index 43d0d1c..13d04f0 100644
--- a/core/option/option.go
+++ b/core/option/option.go
@@ -52,13 +52,13 @@ const (
 	// tcpMaxBufferSize is the maximum permitted size of a send/recv buffer.
 	tcpMaxBufferSize = tcp.MaxBufferSize
 
-	// tcpDefaultReceiveBufferSize is the default size of the receive buffer
-	// for a transport endpoint.
-	tcpDefaultReceiveBufferSize = stack.DefaultBufferSize
-
 	// tcpDefaultBufferSize is the default size of the send buffer for
 	// a transport endpoint.
 	tcpDefaultSendBufferSize = stack.DefaultBufferSize
+
+	// tcpDefaultReceiveBufferSize is the default size of the receive buffer
+	// for a transport endpoint.
+	tcpDefaultReceiveBufferSize = stack.DefaultBufferSize
 )
 
 type Option func(*stack.Stack) error
@@ -78,8 +78,8 @@ func WithDefault() Option {
 			// in too large buffers.
 			//
 			// Ref: https://github.com/cloudflare/slirpnetstack/blob/master/stack.go
-			WithTCPReceiveBufferSizeRange(tcpMinBufferSize, tcpDefaultReceiveBufferSize, tcpMaxBufferSize),
 			WithTCPSendBufferSizeRange(tcpMinBufferSize, tcpDefaultSendBufferSize, tcpMaxBufferSize),
+			WithTCPReceiveBufferSizeRange(tcpMinBufferSize, tcpDefaultReceiveBufferSize, tcpMaxBufferSize),
 
 			WithTCPCongestionControl(tcpCongestionControlAlgorithm),
 			WithTCPDelay(tcpDelayEnabled),
@@ -159,17 +159,6 @@ func WithICMPLimit(limit rate.Limit) Option {
 	}
 }
 
-// WithTCPReceiveBufferSizeRange sets the receive buffer size range for TCP.
-func WithTCPReceiveBufferSizeRange(a, b, c int) Option {
-	return func(s *stack.Stack) error {
-		rcvOpt := tcpip.TCPReceiveBufferSizeRangeOption{Min: a, Default: b, Max: c}
-		if err := s.SetTransportProtocolOption(tcp.ProtocolNumber, &rcvOpt); err != nil {
-			return fmt.Errorf("set TCP receive buffer size range: %s", err)
-		}
-		return nil
-	}
-}
-
 // WithTCPSendBufferSizeRange sets the send buffer size range for TCP.
 func WithTCPSendBufferSizeRange(a, b, c int) Option {
 	return func(s *stack.Stack) error {
@@ -181,6 +170,17 @@ func WithTCPSendBufferSizeRange(a, b, c int) Option {
 	}
 }
 
+// WithTCPReceiveBufferSizeRange sets the receive buffer size range for TCP.
+func WithTCPReceiveBufferSizeRange(a, b, c int) Option {
+	return func(s *stack.Stack) error {
+		rcvOpt := tcpip.TCPReceiveBufferSizeRangeOption{Min: a, Default: b, Max: c}
+		if err := s.SetTransportProtocolOption(tcp.ProtocolNumber, &rcvOpt); err != nil {
+			return fmt.Errorf("set TCP receive buffer size range: %s", err)
+		}
+		return nil
+	}
+}
+
 // WithTCPCongestionControl sets the current congestion control algorithm.
 func WithTCPCongestionControl(cc string) Option {
 	return func(s *stack.Stack) error {