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Diffstat (limited to 'net/batman-adv/fragmentation.h')
| -rw-r--r-- | net/batman-adv/fragmentation.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/net/batman-adv/fragmentation.h b/net/batman-adv/fragmentation.h new file mode 100644 index 000000000..944512e07 --- /dev/null +++ b/net/batman-adv/fragmentation.h @@ -0,0 +1,57 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (C) 2013-2018 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_ + +#include "main.h" + +#include <linux/compiler.h> +#include <linux/list.h> +#include <linux/stddef.h> +#include <linux/types.h> + +struct sk_buff; + +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); +int 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 + * + * Return: 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->fragment_list) && + batadv_has_timed_out(frags_entry->timestamp, BATADV_FRAG_TIMEOUT)) + return true; + return false; +} + +#endif /* _NET_BATMAN_ADV_FRAGMENTATION_H_ */ |