4 * Copyright 2017 6WIND S.A.
5 * Copyright 2017 Mellanox.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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12 * notice, this list of conditions and the following disclaimer.
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14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
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18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
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22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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34 #ifndef _TAP_NETLINK_H_
35 #define _TAP_NETLINK_H_
39 #include <linux/rtnetlink.h>
40 #include <linux/netlink.h>
51 struct nested_tail *nested_tails;
54 #define NLMSG_TAIL(nlh) (void *)((char *)(nlh) + NLMSG_ALIGN((nlh)->nlmsg_len))
56 int tap_nl_init(uint32_t nl_groups);
57 int tap_nl_final(int nlsk_fd);
58 int tap_nl_send(int nlsk_fd, struct nlmsghdr *nh);
59 int tap_nl_recv(int nlsk_fd, int (*callback)(struct nlmsghdr *, void *),
61 int tap_nl_recv_ack(int nlsk_fd);
62 void tap_nlattr_add(struct nlmsghdr *nh, unsigned short type,
63 unsigned int data_len, const void *data);
64 void tap_nlattr_add8(struct nlmsghdr *nh, unsigned short type, uint8_t data);
65 void tap_nlattr_add16(struct nlmsghdr *nh, unsigned short type, uint16_t data);
66 void tap_nlattr_add32(struct nlmsghdr *nh, unsigned short type, uint32_t data);
67 int tap_nlattr_nested_start(struct nlmsg *msg, uint16_t type);
68 void tap_nlattr_nested_finish(struct nlmsg *msg);
70 #endif /* _TAP_NETLINK_H_ */