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/*-
* BSD LICENSE
*
* Copyright 2017 6WIND S.A.
* Copyright 2017 Mellanox.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of 6WIND S.A. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _TAP_NETLINK_H_
#define _TAP_NETLINK_H_
#include <ctype.h>
#include <inttypes.h>
#include <linux/rtnetlink.h>
#include <linux/netlink.h>
#include <stdio.h>
#include <rte_log.h>
#define NLMSG_BUF 512
struct nlmsg {
struct nlmsghdr nh;
struct tcmsg t;
char buf[NLMSG_BUF];
struct nested_tail *nested_tails;
};
#define NLMSG_TAIL(nlh) (void *)((char *)(nlh) + NLMSG_ALIGN((nlh)->nlmsg_len))
int nl_init(uint32_t nl_groups);
int nl_final(int nlsk_fd);
int nl_send(int nlsk_fd, struct nlmsghdr *nh);
int nl_recv(int nlsk_fd, int (*callback)(struct nlmsghdr *, void *), void *arg);
int nl_recv_ack(int nlsk_fd);
void nlattr_add(struct nlmsghdr *nh, unsigned short type,
unsigned int data_len, const void *data);
void nlattr_add8(struct nlmsghdr *nh, unsigned short type, uint8_t data);
void nlattr_add16(struct nlmsghdr *nh, unsigned short type, uint16_t data);
void nlattr_add32(struct nlmsghdr *nh, unsigned short type, uint32_t data);
int nlattr_nested_start(struct nlmsg *msg, uint16_t type);
void nlattr_nested_finish(struct nlmsg *msg);
#endif /* _TAP_NETLINK_H_ */
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