bsd: Add iface calls to help users manage the iface state

1 files changed, 62 insertions, 0 deletions

diff --git a/include/rtems/bsd/iface.h b/include/rtems/bsd/iface.h
new file mode 100755
index 0000000..9e583b8
--- /dev/null
+++ b/include/rtems/bsd/iface.h
@@ -0,0 +1,62 @@
+/**
+ * @file
+ *
+ * @ingroup rtems_bsd_rtems
+ *
+ * @brief This file provide a high level interface to simple interface
+ * support calls.
+ */
+
+/*
+ * Copyright (c) 2021. Chris Johns <chrisj@rtems.org>. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 _RTEMS_BSD_IFACE_H_
+#define _RTEMS_BSD_IFACE_H_
+
+#include <stdbool.h>
+
+#include <sys/socket.h>
+
+#include <net/if.h>
+#include <net/if_media.h>
+#include <netinet/in.h>
+
+struct rtems_bsd_iface {
+	char name[IFNAMSIZ];
+	int unit;
+	struct in_addr address;
+	size_t hw_len;
+	uint8_t hw_address[16];
+	struct ifreq ifr;
+	int linkstate;
+};
+
+/*
+ * These calls return 0 is successful and -1 and errno set on error.
+ */
+int rtems_bsd_iface_get(const char *name, struct rtems_bsd_iface *iface);
+int rtems_bsd_iface_link_state(const char *name, bool *state);
+
+#endif