diff options
Diffstat (limited to 'net/batman-adv/fragmentation.h')
| -rw-r--r-- | net/batman-adv/fragmentation.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/net/batman-adv/fragmentation.h b/net/batman-adv/fragmentation.h new file mode 100644 index 000000000..881ef328b --- /dev/null +++ b/net/batman-adv/fragmentation.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (C) 2013-2020 B.A.T.M.A.N. contributors: + * + * Martin Hundebøll <martin@hundeboll.net> + */ + +#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/skbuff.h> +#include <linux/stddef.h> +#include <linux/types.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); +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_ */ |