tcp test

include/lwipopts.h

@@ -0,0 +1,51 @@
+#ifndef LWIPOPTS_H
+#define LWIPOPTS_H
+
+// lwIP configuration for Raspberry Pi Pico W (CYW43 + lwIP).
+// This is a sane baseline for pico_cyw43_arch_lwip_threadsafe_background.
+// example
+
+#define NO_SYS                          1
+#define LWIP_SOCKET                     0
+#define LWIP_NETCONN                    0
+
+#define MEM_ALIGNMENT                   4
+#define MEM_SIZE                        4000
+
+#define MEMP_NUM_TCP_SEG                32
+#define MEMP_NUM_ARP_QUEUE              10
+#define PBUF_POOL_SIZE                  24
+
+#define LWIP_ARP                        1
+#define LWIP_ETHERNET                   1
+#define LWIP_ICMP                       1
+#define LWIP_RAW                        1
+#define LWIP_DHCP                       1
+#define LWIP_IPV4                       1
+#define LWIP_TCP                        1
+#define LWIP_UDP                        1
+#define LWIP_DNS                        1
+
+#define TCP_MSS                         1460
+#define TCP_WND                         (8 * TCP_MSS)
+#define TCP_SND_BUF                     (8 * TCP_MSS)
+#define TCP_SND_QUEUELEN                ((4 * TCP_SND_BUF + TCP_MSS - 1) / TCP_MSS)
+
+#define MEMP_NUM_TCP_PCB                5
+#define MEMP_NUM_TCP_PCB_LISTEN         8
+#define MEMP_NUM_SYS_TIMEOUT            10
+
+#define LWIP_NETIF_STATUS_CALLBACK      1
+#define LWIP_NETIF_LINK_CALLBACK        1
+#define LWIP_NETIF_HOSTNAME             1
+
+#define LWIP_TCP_KEEPALIVE              1
+#define LWIP_SO_RCVTIMEO                1
+#define LWIP_SO_SNDTIMEO                1
+
+// Use system-provided timeval definition.
+#define LWIP_TIMEVAL_PRIVATE            0
+
+#define LWIP_CHKSUM_ALGORITHM           3
+
+#endif // LWIPOPTS_H