2 * copyright (c) 2001-2009 Emil Mikulic.
4 * decode.h: packet decoding.
6 * You may use, modify and redistribute this file under the terms of the
7 * GNU General Public License version 2. (see COPYING.GPL)
11 #include <netinet/in_systm.h> /* n_time */
12 #include <netinet/in.h> /* in_addr_t */
13 #include <netinet/ip.h> /* struct ip */
16 #define FDDI_HDR_LEN 21
17 #define IP_HDR_LEN sizeof(struct ip)
18 #define IPV6_HDR_LEN sizeof(struct ip6_hdr)
19 #define TCP_HDR_LEN sizeof(struct tcphdr)
20 #define UDP_HDR_LEN sizeof(struct udphdr)
21 #define NULL_HDR_LEN 4
22 #define PPPOE_HDR_LEN 8
23 #define SLL_HDR_LEN 16
26 #ifndef ETHER_ADDR_LEN
27 #define ETHER_ADDR_LEN 6
36 const linkhdr_t
*getlinkhdr(int linktype
);
37 int getsnaplen(const linkhdr_t
*lh
);
38 char *ip_to_str(const in_addr_t ip
);
39 char *ip6_to_str(const struct in6_addr
*ip6
);
42 /* Fields are in host byte order (except IPs) */
45 struct in6_addr src_ip6
;
49 struct in6_addr dest_ip6
;
53 uint8_t af
; /* AF_{UNSPEC, INET, INET6} */
54 uint8_t proto
; /* IPPROTO_{TCP, UDP, ICMP} */
55 uint8_t tcp_flags
; /* only for TCP */
56 uint16_t src_port
, dest_port
; /* only for TCP, UDP */
57 uint8_t src_mac
[ETHER_ADDR_LEN
],
58 dst_mac
[ETHER_ADDR_LEN
]; /* only for Ethernet */
61 /* vim:set ts=3 sw=3 tw=78 expandtab: */