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dissector_eth.c
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/*
* netsniff-ng - the packet sniffing beast
* Copyright 2009, 2010 Daniel Borkmann.
* Subject to the GPL, version 2.
*/
#include <stdint.h>
#include "hash.h"
#include "proto.h"
#include "protos.h"
#include "dissector.h"
#include "dissector_eth.h"
#include "lookup.h"
#include "xmalloc.h"
struct hash_table eth_lay2;
struct hash_table eth_lay3;
static inline void dissector_init_entry(int type)
{
dissector_set_print_type(ðernet_ops, type);
}
static inline void dissector_init_exit(int type)
{
dissector_set_print_type(&none_ops, type);
}
static void dissector_init_layer_2(int type)
{
init_hash(ð_lay2);
INSERT_HASH_PROTOS(arp_ops, eth_lay2);
INSERT_HASH_PROTOS(lldp_ops, eth_lay2);
INSERT_HASH_PROTOS(vlan_ops, eth_lay2);
INSERT_HASH_PROTOS(ipv4_ops, eth_lay2);
INSERT_HASH_PROTOS(ipv6_ops, eth_lay2);
INSERT_HASH_PROTOS(QinQ_ops, eth_lay2);
INSERT_HASH_PROTOS(mpls_uc_ops, eth_lay2);
for_each_hash_int(ð_lay2, dissector_set_print_type, type);
}
static void dissector_init_layer_3(int type)
{
init_hash(ð_lay3);
INSERT_HASH_PROTOS(icmpv4_ops, eth_lay3);
INSERT_HASH_PROTOS(icmpv6_ops, eth_lay3);
INSERT_HASH_PROTOS(igmp_ops, eth_lay3);
INSERT_HASH_PROTOS(ip_auth_ops, eth_lay3);
INSERT_HASH_PROTOS(ip_esp_ops, eth_lay3);
INSERT_HASH_PROTOS(ipv6_dest_opts_ops, eth_lay3);
INSERT_HASH_PROTOS(ipv6_fragm_ops, eth_lay3);
INSERT_HASH_PROTOS(ipv6_hop_by_hop_ops, eth_lay3);
INSERT_HASH_PROTOS(ipv6_in_ipv4_ops, eth_lay3);
INSERT_HASH_PROTOS(ipv6_mobility_ops, eth_lay3);
INSERT_HASH_PROTOS(ipv6_no_next_header_ops, eth_lay3);
INSERT_HASH_PROTOS(ipv6_routing_ops, eth_lay3);
INSERT_HASH_PROTOS(tcp_ops, eth_lay3);
INSERT_HASH_PROTOS(udp_ops, eth_lay3);
INSERT_HASH_PROTOS(dccp_ops, eth_lay3);
for_each_hash_int(ð_lay3, dissector_set_print_type, type);
}
void dissector_init_ethernet(int fnttype)
{
dissector_init_entry(fnttype);
dissector_init_layer_2(fnttype);
dissector_init_layer_3(fnttype);
dissector_init_exit(fnttype);
lookup_init(LT_PORTS_UDP);
lookup_init(LT_PORTS_TCP);
lookup_init(LT_ETHERTYPES);
lookup_init(LT_OUI);
}
void dissector_cleanup_ethernet(void)
{
free_hash(ð_lay2);
free_hash(ð_lay3);
lookup_cleanup(LT_OUI);
lookup_cleanup(LT_ETHERTYPES);
lookup_cleanup(LT_PORTS_TCP);
lookup_cleanup(LT_PORTS_UDP);
}