-
-struct pseudo_header
-{
- uint32_t src_ip_addr;
- uint32_t dest_ip_addr;
- uint16_t protocol;
- uint16_t len;
-};
-
-/** Ethernet header struct for casting purposes */
-struct eth_header
-{
- uint8_t dest[EADDR_LEN];
- uint8_t src[EADDR_LEN];
- uint16_t type;
-};
-
-struct ip_header
-{
- uint8_t vers_len;
- uint8_t service_type;
- uint16_t dgram_len;
- uint16_t ID;
- uint16_t flags_frag_offset;
- uint8_t TTL;
- uint8_t protocol;
- uint16_t hdr_chksum;
- uint32_t src_ip_addr;
- uint32_t dest_ip_addr;
- uint8_t *options;
- uint8_t *transport_header;
-};
-
-struct tcp_header
-{
- uint16_t src_port_num;
- uint16_t dest_port_num;
- uint32_t seq_num;
- uint32_t ack_num;
- uint8_t hdr_len;
- uint8_t flags;
- uint16_t rcv_window;
- uint16_t chksum;
- uint16_t urgent;
- uint8_t *options;
- uint8_t *data;
-};
-
-struct udp_header
-{
- uint16_t src_port_num;
- uint16_t dest_port_num;
- uint16_t len;
- uint16_t chksum;
- uint8_t *data;
-};
-