blob: 3972cd517c63dcfde9a88e67b03a28f76deb3d89 [file] [log] [blame]
* Copyright (C) 2007 Mindspeed Technologies, Inc.
* 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.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#ifndef __RTNL_H__
#define __RTNL_H__
#include <linux/fib_rules.h>
#define NDA_PAYLOAD(n) NLMSG_PAYLOAD((n), sizeof(struct ndmsg))
#ifndef NDA_RTA
#define NDA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ndmsg))))
#define FRA_PAYLOAD(n) NLMSG_PAYLOAD((n), sizeof(struct fib_rule_hdr))
#ifndef FRA_RTA
#define FRA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct fib_rule_hdr))))
#define RTNL_NON_BLOCKING_MODE (1 << 0)
#define RTNL_CB_STOP 0
#define RTNL_CB_ERROR -1
struct rtnl_handle
int fd;
int flags;
typedef int (*rtnl_filter_t)(const struct sockaddr_nl *, struct nlmsghdr *n, void *);
int cmm_nl_open(struct rtnl_handle *rth, unsigned subscriptions, unsigned int group);
int cmm_rtnl_open(struct rtnl_handle *rth, unsigned subscriptions);
void cmm_rtnl_close(struct rtnl_handle *rth);
int cmm_rtnl_fd(struct rtnl_handle *rth);
unsigned int cmm_rtnl_rcvbufsiz(struct rtnl_handle *rth, unsigned int size);
int cmm_rtnl_set_nonblocking_mode(struct rtnl_handle *rth);
void cmm_nlh_init(struct nlmsghdr *nlh, unsigned int len, unsigned short type, unsigned short flags);
int cmm_rtnl_send(struct rtnl_handle *rth, struct nlmsghdr *nlh);
int cmm_rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int len);
int cmm_rtnl_neigh_dump_request(struct rtnl_handle *rth, int family);
int cmm_rtnl_listen(struct rtnl_handle *rtnl, rtnl_filter_t handler, void *jarg);
int cmm_parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len);
struct rtattr *cmm_get_rtattr(struct rtattr *rta, int len, int type);
void cmm_addattr_l(struct nlmsghdr *n, int maxlen, int type, const void *data, int alen);
int cmm_addattr16(struct nlmsghdr *n, int maxlen, int type, __u16 data);
int cmm_addattr32(struct nlmsghdr *n, int maxlen, int type, __u32 data);