72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
/*
|
|
* Copyright (C) 2008 Tobias Brunner
|
|
* Hochschule fuer Technik Rapperswil
|
|
*
|
|
* This program 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; either version 2 of the License, or (at your
|
|
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
|
|
*
|
|
* This program 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.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
#ifndef KERNEL_NETLINK_SHARED_H_
|
|
#define KERNEL_NETLINK_SHARED_H_
|
|
|
|
#include <library.h>
|
|
|
|
#define NETLINK_BUFFER_SIZE 1024
|
|
|
|
typedef struct netlink_socket_t netlink_socket_t;
|
|
|
|
/**
|
|
* Wrapper around a netlink socket.
|
|
*/
|
|
struct netlink_socket_t {
|
|
|
|
/**
|
|
* Send a netlink message and wait for a reply.
|
|
*
|
|
* @param in netlink message to send
|
|
* @param out received netlink message
|
|
* @param out_len length of the received message
|
|
*/
|
|
status_t (*send)(netlink_socket_t *this, struct nlmsghdr *in, struct nlmsghdr **out, size_t *out_len);
|
|
|
|
/**
|
|
* Send a netlink message and wait for its acknowledge.
|
|
*
|
|
* @param in netlink message to send
|
|
*/
|
|
status_t (*send_ack)(netlink_socket_t *this, struct nlmsghdr *in);
|
|
|
|
/**
|
|
* Destroy the socket.
|
|
*/
|
|
void (*destroy)(netlink_socket_t *this);
|
|
};
|
|
|
|
/**
|
|
* Create a netlink_socket_t object.
|
|
*
|
|
* @param protocol protocol type (e.g. NETLINK_XFRM or NETLINK_ROUTE)
|
|
*/
|
|
netlink_socket_t *netlink_socket_create(int protocol);
|
|
|
|
/**
|
|
* Creates an rtattr and adds it to the given netlink message.
|
|
*
|
|
* @param hdr netlink message
|
|
* @param rta_type type of the rtattr
|
|
* @param data data to add to the rtattr
|
|
* @param buflen length of the netlink message buffer
|
|
*/
|
|
void netlink_add_attribute(struct nlmsghdr *hdr, int rta_type, chunk_t data, size_t buflen);
|
|
|
|
#endif /* KERNEL_NETLINK_SHARED_H_ */
|