2 * Definitions for routines to get information about capture interfaces
6 * Wireshark - Network traffic analyzer
7 * By Gerald Combs <gerald@wireshark.org>
8 * Copyright 1998 Gerald Combs
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 #ifndef __CAPTURE_IFINFO_H__
26 #define __CAPTURE_IFINFO_H__
29 * The list of interfaces returned by "get_interface_list()" is
30 * a list of these structures.
33 char *name; /* e.g. "eth0" */
34 char *description; /* from OS, e.g. "Local Area Connection" or NULL */
35 GSList *addrs; /* containing address values of if_addr_t */
36 gboolean loopback; /* TRUE if loopback, FALSE otherwise */
40 * An address in the "addrs" list.
48 if_address_type ifat_type;
50 guint32 ip4_addr; /* 4 byte IP V4 address, or */
51 guint8 ip6_addr[16];/* 16 byte IP V6 address */
56 * Fetch the interface list from a child process.
58 extern GList *capture_interface_list(int *err, char **err_str);
60 /* Error values from "get_interface_list()/capture_interface_list()". */
61 #define CANT_GET_INTERFACE_LIST 1 /* error getting list */
62 #define NO_INTERFACES_FOUND 2 /* list is empty */
64 void free_interface_list(GList *if_list);
67 * "get_if_capabilities()" and "capture_if_capabilities()" return a pointer
68 * to an allocated instance of this structure. "free_if_capabilities()"
69 * frees the returned instance.
72 gboolean can_set_rfmon; /* TRUE if can be put into monitor mode */
73 GList *data_link_types; /* GList of data_link_info_t's */
77 * Information about data link types.
80 int dlt; /* e.g. DLT_EN10MB (which is 1) */
81 char *name; /* e.g. "EN10MB" or "DLT 1" */
82 char *description; /* descriptive name from wiretap e.g. "Ethernet", NULL if unknown */
86 * Fetch the linktype list for the specified interface from a child process.
88 extern if_capabilities_t *
89 capture_get_if_capabilities(const char *devname, gboolean monitor_mode,
92 void free_if_capabilities(if_capabilities_t *caps);
94 #endif /* __CAPTURE_IFINFO_H__ */