boot_net: Prepare socket-specific TCP window size

Pass the desired window size from the socket to the service.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38530 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/kernel/boot/net/TCP.h

@@ -65,6 +65,7 @@ public:
 
 	ip_addr_t Address() const	{ return fAddress; }
 	uint16 Port() const			{ return fPort; }
+	uint16 WindowSize() const;
 
 	status_t Connect(ip_addr_t address, uint16 port);
 	status_t Close();
@@ -114,7 +115,8 @@ public:
 
 	status_t Send(uint16 sourcePort, ip_addr_t destinationAddress,
 		uint16 destinationPort, uint32 sequenceNumber,
-		uint32 acknowledgmentNumber, uint8 flags, ChainBuffer* buffer);
+		uint32 acknowledgmentNumber, uint8 flags, uint16 windowSize,
+		ChainBuffer* buffer);
 
 	void ProcessIncomingPackets();