staging: batman-adv meshing protocol

B.A.T.M.A.N. (better approach to mobile ad-hoc networking) is
a routing protocol for multi-hop ad-hoc mesh networks. The
networks may be wired or wireless. See
http://www.open-mesh.org/ for more information and user space
tools.

This is the first submission for inclusion in staging.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 63 insertions, 0 deletions

diff --git a/drivers/staging/batman-adv/vis.h b/drivers/staging/batman-adv/vis.h
new file mode 100644
index 00000000000..276fabab4e8
--- /dev/null
+++ b/drivers/staging/batman-adv/vis.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2008-2009 B.A.T.M.A.N. contributors:
+ *
+ * Simon Wunderlich, Marek Lindner
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * 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
+ *
+ */
+
+#define VIS_TIMEOUT		200000
+#define VIS_FORMAT_DD_NAME	"dot_draw"
+#define VIS_FORMAT_JSON_NAME	"json"
+
+struct vis_info {
+	unsigned long       first_seen;
+	struct list_head    recv_list;
+			    /* list of server-neighbors we received a vis-packet
+			     * from.  we should not reply to them. */
+	struct list_head send_list;
+	/* this packet might be part of the vis send queue. */
+	struct vis_packet packet;
+	/* vis_info may follow here*/
+} __attribute__((packed));
+
+struct vis_info_entry {
+	uint8_t  src[ETH_ALEN];
+	uint8_t  dest[ETH_ALEN];
+	uint8_t  quality;	/* quality = 0 means HNA */
+} __attribute__((packed));
+
+struct recvlist_node {
+	struct list_head list;
+	uint8_t mac[ETH_ALEN];
+};
+
+enum vis_formats {
+	DOT_DRAW,
+	JSON,
+};
+
+extern struct hashtable_t *vis_hash;
+extern spinlock_t vis_hash_lock;
+
+void vis_set_mode(int mode);
+int is_vis_server(void);
+void receive_server_sync_packet(struct vis_packet *vis_packet,
+				int vis_info_len);
+void receive_client_update_packet(struct vis_packet *vis_packet,
+				  int vis_info_len);
+int vis_init(void);
+void vis_quit(void);