diff options
Diffstat (limited to 'drivers/net/tap/tap_netlink.h')
| -rw-r--r-- | drivers/net/tap/tap_netlink.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/net/tap/tap_netlink.h b/drivers/net/tap/tap_netlink.h new file mode 100644 index 00000000..98e13902 --- /dev/null +++ b/drivers/net/tap/tap_netlink.h @@ -0,0 +1,69 @@ +/*- + * 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_ */ |