1 files changed, 56 insertions, 0 deletions
diff --git a/test/packetdrill/net_utils.h b/test/packetdrill/net_utils.h
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+/*
+ * Copyright 2013 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+/*
+ * Author: ncardwell@google.com (Neal Cardwell)
+ *
+ * Interface for various network utilities related to configuring IP
+ * addresses for network devices.
+ */
+
+#ifndef __NET_UTILS_H__
+#define __NET_UTILS_H__
+
+#include "types.h"
+
+#include "ip_address.h"
+
+/* Add the given IP address, with the given subnet/prefix length,
+ * to the given device.
+ */
+extern void net_add_dev_address(const char *dev_name,
+				const struct ip_address *ip,
+				int prefix_len);
+
+/* Delete the given IP address, with the given subnet/prefix length,
+ * from the given device.
+ */
+extern void net_del_dev_address(const char *dev_name,
+				const struct ip_address *ip,
+				int prefix_len);
+
+/* See if the given IP address, with the given subnet/prefix length,
+ * is already on the given device. If so, return without doing
+ * anything.  If not, delete it from any device it's currently on, and
+ * add it to the given network device.
+ */
+extern void net_setup_dev_address(const char *dev_name,
+				  const struct ip_address *ip,
+				  int prefix_len);
+
+#endif /* __NET_UTILS_H__ */