Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 42 insertions, 0 deletions

diff --git a/src/spdk/dpdk/drivers/net/tap/tap_netlink.h b/src/spdk/dpdk/drivers/net/tap/tap_netlink.h
new file mode 100644
index 00000000..faa73ba1
--- /dev/null
+++ b/src/spdk/dpdk/drivers/net/tap/tap_netlink.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2017 6WIND S.A.
+ * Copyright 2017 Mellanox Technologies, Ltd
+ */
+
+#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_ */