Kernel stuff

1 files changed, 25 insertions, 3 deletions

diff --git a/kernel/network/tcp.h b/kernel/network/tcp.h
index ec253bd..90975e4 100644
--- a/kernel/network/tcp.h
+++ b/kernel/network/tcp.h
@@ -1,9 +1,31 @@
 #include <socket.h>
 #include <typedefs.h>
-void tcp_send_syn(struct TcpConnection *con);
-void tcp_wait_reply(struct TcpConnection *con);
-void handle_tcp(ipv4_t src_ip, ipv4_t dst_ip, const u8 *payload, u32 payload_length);
+
+#define CWR (1 << 7)
+#define ECE (1 << 6)
+#define URG (1 << 5)
+#define ACK (1 << 4)
+#define PSH (1 << 3)
+#define RST (1 << 2)
+#define SYN (1 << 1)
+#define FIN (1 << 0)
+
+#define TCP_STATE_CLOSED 0
+#define TCP_STATE_LISTEN 1
+#define TCP_STATE_SYN_SENT 2
+#define TCP_STATE_SYN_RECIEVED 3
+#define TCP_STATE_ESTABLISHED 4
+#define TCP_STATE_CLOSE_WAIT 5
+#define TCP_STATE_FIN_WAIT1 6
+#define TCP_STATE_CLOSING 7
+#define TCP_STATE_LAST_ACK 8
+#define TCP_STATE_FIN_WAIT2 9
+#define TCP_STATE_TIME_WAIT 10
+
+void handle_tcp(ipv4_t src_ip, ipv4_t dst_ip, const u8 *payload,
+                u32 payload_length);
 int send_tcp_packet(struct TcpConnection *con, const u8 *payload,
                     u16 payload_length);
 void tcp_close_connection(struct TcpConnection *con);
 u16 tcp_can_send(struct TcpConnection *con);
+void tcp_send_empty_payload(struct TcpConnection *con, u8 flags);