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Diffstat (limited to 'drivers/net/tap/tap_netlink.h')
-rw-r--r--drivers/net/tap/tap_netlink.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/net/tap/tap_netlink.h b/drivers/net/tap/tap_netlink.h
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+++ b/drivers/net/tap/tap_netlink.h
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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_ */