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author | 2011-11-23 11:35:44 +0100 | |
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committer | 2012-11-07 20:00:19 +0100 | |
commit | 785ea1144182c341b8b85b0f8180291839d176a8 (patch) | |
tree | 218d58e56db4e2a2ef49c6ab0d889cdb6e1df309 /net/batman-adv/distributed-arp-table.h | |
parent | batman-adv: Distributed ARP Table - add a new debug log level (diff) | |
download | linux-785ea1144182c341b8b85b0f8180291839d176a8.tar.gz linux-785ea1144182c341b8b85b0f8180291839d176a8.tar.bz2 linux-785ea1144182c341b8b85b0f8180291839d176a8.zip |
batman-adv: Distributed ARP Table - create DHT helper functions
Add all the relevant functions in order to manage a Distributed Hash Table over
the B.A.T.M.A.N.-adv network. It will later be used to store several ARP entries
and implement DAT (Distributed ARP Table)
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Diffstat (limited to 'net/batman-adv/distributed-arp-table.h')
-rw-r--r-- | net/batman-adv/distributed-arp-table.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/net/batman-adv/distributed-arp-table.h b/net/batman-adv/distributed-arp-table.h new file mode 100644 index 000000000000..ea9cbd806a1f --- /dev/null +++ b/net/batman-adv/distributed-arp-table.h @@ -0,0 +1,58 @@ +/* Copyright (C) 2011-2012 B.A.T.M.A.N. contributors: + * + * Antonio Quartulli + * + * 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 + */ + +#ifndef _NET_BATMAN_ADV_ARP_H_ +#define _NET_BATMAN_ADV_ARP_H_ + +#include "types.h" +#include "originator.h" + +#define BATADV_DAT_ADDR_MAX ((batadv_dat_addr_t)~(batadv_dat_addr_t)0) + +/** + * batadv_dat_init_orig_node_addr - assign a DAT address to the orig_node + * @orig_node: the node to assign the DAT address to + */ +static inline void +batadv_dat_init_orig_node_addr(struct batadv_orig_node *orig_node) +{ + uint32_t addr; + + addr = batadv_choose_orig(orig_node->orig, BATADV_DAT_ADDR_MAX); + orig_node->dat_addr = (batadv_dat_addr_t)addr; +} + +/** + * batadv_dat_init_own_addr - assign a DAT address to the node itself + * @bat_priv: the bat priv with all the soft interface information + * @primary_if: a pointer to the primary interface + */ +static inline void +batadv_dat_init_own_addr(struct batadv_priv *bat_priv, + struct batadv_hard_iface *primary_if) +{ + uint32_t addr; + + addr = batadv_choose_orig(primary_if->net_dev->dev_addr, + BATADV_DAT_ADDR_MAX); + + bat_priv->dat.addr = (batadv_dat_addr_t)addr; +} + +#endif /* _NET_BATMAN_ADV_ARP_H_ */ |