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/*
* Copyright (C) 2009-2010 Red Hat Inc.
*
* David Sommerseth <davids@redhat.com>
*
* This application is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; version 2.
*
* This application is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* @file etherinfo_struct.h
* @author David Sommerseth <dsommers@wsdsommers.usersys.redhat.com>
* @date Fri Sep 4 19:06:06 2009
*
* @brief Contains the internal ethtool.etherinfo data structure
*
*/
#ifndef _ETHERINFO_STRUCT_H
#define _ETHERINFO_STRUCT_H
/**
* Contains IP address information about a particular ethernet device
*
*/
struct etherinfo {
char *device; /**< Device name */
int index; /**< NETLINK index reference */
char *hwaddress; /**< HW address / MAC address of device */
char *ipv4_address; /**< Configured IPv4 address */
int ipv4_netmask; /**< Configured IPv4 netmask */
char *ipv4_broadcast; /**< Configured IPv4 broadcast address */
struct ipv6address *ipv6_addresses; /**< Configured IPv6 addresses (as a pointer chain) */
};
/**
* Pointer chain with IPv6 addresses associated with a ethernet interface. Used
* by struct etherinfo
*/
struct ipv6address {
char *address; /**< Configured IPv6 address */
int netmask; /**< Configured IPv6 netmask */
int scope; /**< Scope for the IPv6 address */
struct ipv6address *next; /**< Pointer to next configured IPv6 address */
};
/**
* NETLINK connection handle and related information to be shared
* among all the instantiated etherinfo objects.
*/
struct _nlconnection {
struct nl_handle *nlrt_handle;
};
/**
* Contains the internal data structure of the
* ethtool.etherinfo object.
*
*/
struct etherinfo_obj_data {
struct _nlconnection *nlc; /**< Contains NETLINK connection info */
struct etherinfo *ethinfo; /**< Contains info about our current interface */
};
/**
* A Python object of struct etherinfo_obj_data
*
*/
typedef struct {
PyObject_HEAD
struct etherinfo_obj_data *data; /* IPv4 and IPv6 address information, only one element used */
} etherinfo_py;
/**
* A Python object of struct ipv6address
*
*/
typedef struct {
PyObject_HEAD
struct ipv6address *addrdata; /**< IPv6 address, only one element is used in this case */
} etherinfo_ipv6addr_py;
/**
* NULL safe PyString_FromString() wrapper. If input string is NULL, None will be returned
*
* @param str Input C string (char *)
*
* @return Returns a PyObject with either the input string wrapped up, or a Python None value.
*/
#define RETURN_STRING(str) (str ? PyString_FromString(str) : Py_None)
#endif
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