feat: Massive OS expansion with IPC, Sound & TTS, Block layer, FAT32/ext2/sysfs, Signals, Syscalls, Modules, Drivers & 50+ LazyBox applets

include/net/tcp.h

@@ -0,0 +1,33 @@
+#ifndef _NET_TCP_H
+#define _NET_TCP_H
+
+#include <net/net.h>
+
+#define TCP_STATE_CLOSED      0
+#define TCP_STATE_LISTEN      1
+#define TCP_STATE_SYN_SENT    2
+#define TCP_STATE_SYN_RCVD    3
+#define TCP_STATE_ESTABLISHED 4
+#define TCP_STATE_FIN_WAIT1   5
+#define TCP_STATE_FIN_WAIT2   6
+#define TCP_STATE_CLOSE_WAIT  7
+#define TCP_STATE_CLOSING     8
+#define TCP_STATE_LAST_ACK    9
+#define TCP_STATE_TIME_WAIT   10
+
+typedef struct {
+    uint16_t src_port;
+    uint16_t dst_port;
+    uint32_t seq_num;
+    uint32_t ack_num;
+    uint8_t  data_offset_reserved;
+    uint8_t  flags;
+    uint16_t window_size;
+    uint16_t checksum;
+    uint16_t urgent_pointer;
+} __attribute__((packed)) tcp_header_t;
+
+void tcp_init(void);
+void tcp_receive(const uint8_t* packet, uint16_t length, uint32_t src_ip);
+
+#endif // _NET_TCP_H