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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2017 6WIND S.A.
* Copyright 2017 Mellanox.
*/
#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 tap_nl_init(uint32_t nl_groups);
int tap_nl_final(int nlsk_fd);
int tap_nl_send(int nlsk_fd, struct nlmsghdr *nh);
int tap_nl_recv(int nlsk_fd, int (*callback)(struct nlmsghdr *, void *),
void *arg);
int tap_nl_recv_ack(int nlsk_fd);
void tap_nlattr_add(struct nlmsghdr *nh, unsigned short type,
unsigned int data_len, const void *data);
void tap_nlattr_add8(struct nlmsghdr *nh, unsigned short type, uint8_t data);
void tap_nlattr_add16(struct nlmsghdr *nh, unsigned short type, uint16_t data);
void tap_nlattr_add32(struct nlmsghdr *nh, unsigned short type, uint32_t data);
int tap_nlattr_nested_start(struct nlmsg *msg, uint16_t type);
void tap_nlattr_nested_finish(struct nlmsg *msg);
#endif /* _TAP_NETLINK_H_ */
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