ports/psoc6: Modified lwip opts file.

Signed-off-by: IFX-Anusha <Anusha.TR@infineon.com>

ports/psoc6/lwip_inc/lwipopts.h

@@ -36,7 +36,7 @@
 #define MEM_ALIGNMENT (4)
 
 #define LWIP_RAW (1)
-
+#define NO_SYS 0
 
 //
 // Enable IPV4 networking
@@ -147,8 +147,10 @@
  * TCP_SND_BUF: TCP sender buffer space (bytes).
  * To achieve good performance, this should be at least 2 * TCP_MSS.
  */
-#define TCP_SND_BUF (8 * TCP_MSS)
-
+#define TCP_SND_BUF (12 * TCP_MSS)
+#define TCP_WND (10 * TCP_MSS)
+#define LWIP_WND_SCALE 1
+#define TCP_RCV_SCALE 2
 /**
  * TCP_SND_QUEUELEN: TCP sender buffer space (pbufs). This must be at least
  * as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work.
@@ -178,7 +180,7 @@
 #define DEFAULT_RAW_RECVMBOX_SIZE (12)
 #define DEFAULT_UDP_RECVMBOX_SIZE (12)
 #define DEFAULT_ACCEPTMBOX_SIZE (8)
-
+#define TCP_OVERSIZE TCP_MSS
 /**
  * MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
  * per active UDP "connection".
@@ -212,7 +214,7 @@
 /**
  * PBUF_POOL_SIZE: the number of buffers in the pbuf pool.
  */
-#define PBUF_POOL_SIZE 24
+#define PBUF_POOL_SIZE 400
 
 /**
  * MEMP_NUM_NETBUF: the number of struct netbufs.
@@ -259,6 +261,8 @@
  */
 #define LWIP_NETIF_API 1
 
+// #define TCP_LISTEN_BACKLOG 1
+
 #define LWIP_DNS (1)
 
 #define LWIP_NETIF_TX_SINGLE_PBUF (0)