mirror of
https://github.com/nmap/nmap.git
synced 2026-11-13 16:47:13 +00:00
2758101bf5
Some checks failed
nmap multiplatform autobuilds / build (arm64, gcc, ubuntu-latest-gcc-arm64, ubuntu-latest) (push) Has been cancelled
nmap multiplatform autobuilds / build (clang, freebsd-15-clang, ubuntu-latest) (push) Has been cancelled
nmap multiplatform autobuilds / build (clang, macos-15-clang, macos-15) (push) Has been cancelled
nmap multiplatform autobuilds / build (clang, macos-26-clang, macos-26) (push) Has been cancelled
nmap multiplatform autobuilds / build (clang, netbsd-10-clang, ubuntu-latest) (push) Has been cancelled
nmap multiplatform autobuilds / build (clang, openbsd-7-clang, ubuntu-latest) (push) Has been cancelled
nmap multiplatform autobuilds / build (clang, solaris-11-clang, ubuntu-latest) (push) Has been cancelled
nmap multiplatform autobuilds / build (clang, ubuntu-latest-clang, ubuntu-latest) (push) Has been cancelled
nmap multiplatform autobuilds / build (egcc, openbsd-7-gcc, ubuntu-latest) (push) Has been cancelled
nmap multiplatform autobuilds / build (gcc, freebsd-15-gcc, ubuntu-latest) (push) Has been cancelled
nmap multiplatform autobuilds / build (gcc, netbsd-10-gcc, ubuntu-latest) (push) Has been cancelled
nmap multiplatform autobuilds / build (gcc, solaris-11-gcc, ubuntu-latest) (push) Has been cancelled
nmap multiplatform autobuilds / build (gcc, ubuntu-latest-gcc, ubuntu-latest) (push) Has been cancelled
nmap multiplatform autobuilds / build (msvc, windows-latest-msvc, windows-latest) (push) Has been cancelled
78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/*
|
|
* eth.h
|
|
*
|
|
* Ethernet.
|
|
*
|
|
* Copyright (c) 2000 Dug Song <dugsong@monkey.org>
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
#ifndef DNET_ETH_H
|
|
#define DNET_ETH_H
|
|
|
|
#define ETH_ADDR_LEN 6
|
|
#define ETH_ADDR_BITS 48
|
|
#define ETH_TYPE_LEN 2
|
|
#define ETH_CRC_LEN 4
|
|
#define ETH_HDR_LEN 14
|
|
|
|
#define ETH_LEN_MIN 64 /* minimum frame length with CRC */
|
|
#define ETH_LEN_MAX 1518 /* maximum frame length with CRC */
|
|
|
|
#define ETH_MTU (ETH_LEN_MAX - ETH_HDR_LEN - ETH_CRC_LEN)
|
|
#define ETH_MIN (ETH_LEN_MIN - ETH_HDR_LEN - ETH_CRC_LEN)
|
|
|
|
typedef struct eth_addr {
|
|
uint8_t data[ETH_ADDR_LEN];
|
|
} eth_addr_t;
|
|
|
|
struct eth_hdr {
|
|
eth_addr_t eth_dst; /* destination address */
|
|
eth_addr_t eth_src; /* source address */
|
|
uint16_t eth_type; /* payload type */
|
|
};
|
|
|
|
/*
|
|
* Ethernet payload types - http://standards.ieee.org/regauth/ethertype
|
|
*/
|
|
#define ETH_TYPE_PUP 0x0200 /* PUP protocol */
|
|
#define ETH_TYPE_IP 0x0800 /* IP protocol */
|
|
#define ETH_TYPE_ARP 0x0806 /* address resolution protocol */
|
|
#define ETH_TYPE_REVARP 0x8035 /* reverse addr resolution protocol */
|
|
#define ETH_TYPE_8021Q 0x8100 /* IEEE 802.1Q VLAN tagging */
|
|
#define ETH_TYPE_IPV6 0x86DD /* IPv6 protocol */
|
|
#define ETH_TYPE_MPLS 0x8847 /* MPLS */
|
|
#define ETH_TYPE_MPLS_MCAST 0x8848 /* MPLS Multicast */
|
|
#define ETH_TYPE_PPPOEDISC 0x8863 /* PPP Over Ethernet Discovery Stage */
|
|
#define ETH_TYPE_PPPOE 0x8864 /* PPP Over Ethernet Session Stage */
|
|
#define ETH_TYPE_8021AD 0x88A8 /* IEEE 802.1ad VLAN tagging */
|
|
#define ETH_TYPE_LOOPBACK 0x9000 /* used to test interfaces */
|
|
|
|
#define ETH_IS_MULTICAST(ea) (*(ea) & 0x01) /* is address mcast/bcast? */
|
|
|
|
#define ETH_ADDR_BROADCAST "\xff\xff\xff\xff\xff\xff"
|
|
|
|
#define eth_pack_hdr(h, dst, src, type) do { \
|
|
struct eth_hdr *eth_pack_p = (struct eth_hdr *)(h); \
|
|
memmove(ð_pack_p->eth_dst, &(dst), ETH_ADDR_LEN); \
|
|
memmove(ð_pack_p->eth_src, &(src), ETH_ADDR_LEN); \
|
|
eth_pack_p->eth_type = htons(type); \
|
|
} while (0)
|
|
|
|
typedef struct eth_handle eth_t;
|
|
|
|
__BEGIN_DECLS
|
|
eth_t *eth_open(const char *device);
|
|
int eth_get(eth_t *e, eth_addr_t *ea);
|
|
int eth_set(eth_t *e, const eth_addr_t *ea);
|
|
ssize_t eth_send(eth_t *e, const void *buf, size_t len);
|
|
eth_t *eth_close(eth_t *e);
|
|
|
|
char *eth_ntop(const eth_addr_t *eth, char *dst, size_t len);
|
|
int eth_pton(const char *src, eth_addr_t *dst);
|
|
char *eth_ntoa(const eth_addr_t *eth);
|
|
#define eth_aton eth_pton
|
|
__END_DECLS
|
|
|
|
#endif /* DNET_ETH_H */
|