mac_mapper.c File Reference

File containing the implementation of the mac mapper. More...

#include <stdbool.h>
#include "utils/allocs.h"
#include "utils/log.h"
#include "utils/net.h"
#include "utils/os.h"
#include "bridge_list.h"
#include "mac_mapper.h"

Include dependency graph for mac_mapper.c:

Functions
int	get_mac_mapper (hmap_mac_conn **hmap, uint8_t mac_addr[ETHER_ADDR_LEN], struct mac_conn_info *info)
	Get the MAC connection info structure for a given MAC address. More...
bool	put_mac_mapper (hmap_mac_conn **hmap, struct mac_conn conn)
	Insert a MAC into the MAC mapper connection object. More...
void	free_mac_mapper (hmap_mac_conn **hmap)
	Frees the MAC mapper connection object. More...
int	get_mac_list (hmap_mac_conn **hmap, struct mac_conn **list)
	Get the MAC list from the MAC mapper connection object. More...
void	init_default_mac_info (struct mac_conn_info *info, int default_open_vlanid, bool allow_all_nat)
	Generate a default mac info configuration. More...
int	get_ip_mapper (hmap_mac_conn **hmap, char *ip, uint8_t *mac_addr)
	Get the MAC address for a given IP address. More...

Detailed Description

File containing the implementation of the mac mapper.

Author

Alexandru Mereacre

Date

2020

Copyright

SPDX-FileCopyrightText: © 2020 NQMCyber Ltd and edgesec contributors SPDX-License-Identifier: LGPL-3.0-or-later

Function Documentation

free_mac_mapper()

void free_mac_mapper

(

hmap_mac_conn **

hmap

)

Frees the MAC mapper connection object.

Parameters

hmap	MAC mapper connection object

get_ip_mapper()

int get_ip_mapper	(	hmap_mac_conn **	hmap,
		char *	ip,
		uint8_t *	mac_addr
	)

Get the MAC address for a given IP address.

Parameters

hmap	MAC mapper object
ip	The AP address
mac_addr	Output MAC address

Returns

int 1 if MAC address found, -1 error and 0 if MAC address not found

get_mac_list()

int get_mac_list	(	hmap_mac_conn **	hmap,
		struct mac_conn **	list
	)

Get the MAC list from the MAC mapper connection object.

Parameters

hmap	MAC mapper connection object
list	Output MAC list

Returns

int

get_mac_mapper()

int get_mac_mapper	(	hmap_mac_conn **	hmap,
		uint8_t	mac_addr[ETHER_ADDR_LEN],
		struct mac_conn_info *	info
	)

Get the MAC connection info structure for a given MAC address.

Parameters

hmap	MAC mapper object
mac_addr	MAC address in byte format
info	Output MAC connection info structure

Returns

int 1 if MAC address found, -1 error and 0 if MAC address not found

init_default_mac_info()

void init_default_mac_info	(	struct mac_conn_info *	info,
		int	default_open_vlanid,
		bool	allow_all_nat
	)

Generate a default mac info configuration.

Parameters

info	The input mac info structure
default_open_vlanid	The default VLAN ID
allow_all_nat	The NAT flag

put_mac_mapper()

bool put_mac_mapper	(	hmap_mac_conn **	hmap,
		struct mac_conn	conn
	)

Insert a MAC into the MAC mapper connection object.

Parameters

hmap	MAC mapper object
conn	MAC connection structure

Returns

true on success, false otherwise