diff options
Diffstat (limited to 'drivers/staging/batman-adv/aggregation.h')
-rw-r--r-- | drivers/staging/batman-adv/aggregation.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/staging/batman-adv/aggregation.h b/drivers/staging/batman-adv/aggregation.h new file mode 100644 index 0000000..6da8df9 --- /dev/null +++ b/drivers/staging/batman-adv/aggregation.h @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2007-2009 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 + * + */ + +#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(unsigned char *packet_buff, int packet_len, + struct batman_if *if_outgoing, 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); |