Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / net / batman-adv / fragmentation.h

diff --git a/kernel/net/batman-adv/fragmentation.h b/kernel/net/batman-adv/fragmentation.h
new file mode 100644 (file)
index 0000000..d848cf6
--- /dev/null
+++ b/kernel/net/batman-adv/fragmentation.h
@@ -0,0 +1,47 @@
+/* Copyright (C) 2013-2014 B.A.T.M.A.N. contributors:
+ *
+ * Martin Hundebøll <martin@hundeboll.net>
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _NET_BATMAN_ADV_FRAGMENTATION_H_
+#define _NET_BATMAN_ADV_FRAGMENTATION_H_
+
+void batadv_frag_purge_orig(struct batadv_orig_node *orig,
+                           bool (*check_cb)(struct batadv_frag_table_entry *));
+bool batadv_frag_skb_fwd(struct sk_buff *skb,
+                        struct batadv_hard_iface *recv_if,
+                        struct batadv_orig_node *orig_node_src);
+bool batadv_frag_skb_buffer(struct sk_buff **skb,
+                           struct batadv_orig_node *orig_node);
+bool batadv_frag_send_packet(struct sk_buff *skb,
+                            struct batadv_orig_node *orig_node,
+                            struct batadv_neigh_node *neigh_node);
+
+/**
+ * batadv_frag_check_entry - check if a list of fragments has timed out
+ * @frags_entry: table entry to check
+ *
+ * Returns true if the frags entry has timed out, false otherwise.
+ */
+static inline bool
+batadv_frag_check_entry(struct batadv_frag_table_entry *frags_entry)
+{
+       if (!hlist_empty(&frags_entry->head) &&
+           batadv_has_timed_out(frags_entry->timestamp, BATADV_FRAG_TIMEOUT))
+               return true;
+       return false;
+}
+
+#endif /* _NET_BATMAN_ADV_FRAGMENTATION_H_ */