44 строки
1.5 KiB
C
44 строки
1.5 KiB
C
/*
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* Copyright (C) 2007-2011 B.A.T.M.A.N. contributors:
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*
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* Marek Lindner, Simon Wunderlich
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA
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*
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*/
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#ifndef _NET_BATMAN_ADV_AGGREGATION_H_
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#define _NET_BATMAN_ADV_AGGREGATION_H_
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#include "main.h"
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/* is there another aggregated packet here? */
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static inline int aggregated_packet(int buff_pos, int packet_len, int num_hna)
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{
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int next_buff_pos = buff_pos + BAT_PACKET_LEN + (num_hna * ETH_ALEN);
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return (next_buff_pos <= packet_len) &&
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(next_buff_pos <= MAX_AGGREGATION_BYTES);
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}
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void add_bat_packet_to_list(struct bat_priv *bat_priv,
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unsigned char *packet_buff, int packet_len,
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struct batman_if *if_incoming, char own_packet,
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unsigned long send_time);
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void receive_aggr_bat_packet(struct ethhdr *ethhdr, unsigned char *packet_buff,
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int packet_len, struct batman_if *if_incoming);
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#endif /* _NET_BATMAN_ADV_AGGREGATION_H_ */
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