modules/wip/lanman/tcp.h

   1 /*
   2   Copyright (c) 2010  jimmikaelkael <jimmikaelkael@wanadoo.fr>
   3   Licenced under Academic Free License version 3.0
   4 */
   5
   6 #ifndef TCP_H
   7 #define TCP_H
   8
   9 #include <tamtypes.h>
  10
  11 #include "lanman.h"
  12 #include "eth.h"
  13 #include "ip.h"
  14
  15 #define TTL                     255
  16 #define TCPWND_SIZE             8192
  17 #define IP_PROTO_TCP            0x06
  18 #define TCP_MSS                 1460
  19
  20 typedef struct {
  21         // Ethernet (14)
  22         eth_hdr_t eth;
  23
  24         // IP header (20)
  25         ip_hdr_t ip;
  26
  27         // TCP header (20)
  28         u16 tcp_port_src;
  29         u16 tcp_port_dst;
  30         u8  tcp_seq_num[4];
  31         u8  tcp_ack_num[4];
  32         u8  tcp_hdrlen;
  33         u8  tcp_flags;
  34         u16 tcp_wndsize;
  35         u16 tcp_csum;
  36         u16 tcp_urgp;
  37
  38         // Data goes here
  39 } tcpip_pkt_t __attribute__((packed));
  40
  41 void tcp_init(g_param_t *gparam);
  42 int tcp_input(void *buf, int size);
  43 void tcp_connect(void);
  44 void tcp_send_ack(void);
  45
  46 #endif /* TCP_H */