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author | Sven Eckelmann <sven@narfation.org> | 2010-12-13 11:19:28 +0000 |
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committer | David S. Miller <davem@davemloft.net> | 2010-12-16 13:44:24 -0800 |
commit | c6c8fea29769d998d94fcec9b9f14d4b52b349d3 (patch) | |
tree | 2c8dc8d1a64d48c5737a5745e3c510ff53a23047 /net/batman-adv/aggregation.h | |
parent | b236da6931e2482bfe44a7865dd4e7bb036f3496 (diff) | |
download | kernel_samsung_aries-c6c8fea29769d998d94fcec9b9f14d4b52b349d3.zip kernel_samsung_aries-c6c8fea29769d998d94fcec9b9f14d4b52b349d3.tar.gz kernel_samsung_aries-c6c8fea29769d998d94fcec9b9f14d4b52b349d3.tar.bz2 |
net: Add 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.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/batman-adv/aggregation.h')
-rw-r--r-- | net/batman-adv/aggregation.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/net/batman-adv/aggregation.h b/net/batman-adv/aggregation.h new file mode 100644 index 0000000..71a91b3 --- /dev/null +++ b/net/batman-adv/aggregation.h @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors: + * + * Marek Lindner, Simon Wunderlich + * + * 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_AGGREGATION_H_ +#define _NET_BATMAN_ADV_AGGREGATION_H_ + +#include "main.h" + +/* is there another aggregated packet here? */ +static inline int aggregated_packet(int buff_pos, int packet_len, int num_hna) +{ + int next_buff_pos = buff_pos + BAT_PACKET_LEN + (num_hna * ETH_ALEN); + + return (next_buff_pos <= packet_len) && + (next_buff_pos <= MAX_AGGREGATION_BYTES); +} + +void add_bat_packet_to_list(struct bat_priv *bat_priv, + unsigned char *packet_buff, int packet_len, + struct batman_if *if_incoming, char own_packet, + unsigned long send_time); +void receive_aggr_bat_packet(struct ethhdr *ethhdr, unsigned char *packet_buff, + int packet_len, struct batman_if *if_incoming); + +#endif /* _NET_BATMAN_ADV_AGGREGATION_H_ */ |