diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-06 12:30:19 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-06 12:30:19 -0800 |
commit | abb359450f20c32ae03039d8736f12b1d561caf5 (patch) | |
tree | 6e8723885feb66a138f19f0ff31615dc13a8d859 /net/batman-adv/bitarray.h | |
parent | cb600d2f83c854ec3d6660063e4466431999489b (diff) | |
parent | 4e3dbdb1392a83bd21a6ff8f6bc785495058d37c (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1436 commits)
cassini: Use local-mac-address prom property for Cassini MAC address
net: remove the duplicate #ifdef __KERNEL__
net: bridge: check the length of skb after nf_bridge_maybe_copy_header()
netconsole: clarify stopping message
netconsole: don't announce stopping if nothing happened
cnic: Fix the type field in SPQ messages
netfilter: fix export secctx error handling
netfilter: fix the race when initializing nf_ct_expect_hash_rnd
ipv4: IP defragmentation must be ECN aware
net: r6040: Return proper error for r6040_init_one
dcb: use after free in dcb_flushapp()
dcb: unlock on error in dcbnl_ieee_get()
net: ixp4xx_eth: Return proper error for eth_init_one
include/linux/if_ether.h: Add #define ETH_P_LINK_CTL for HPNA and wlan local tunnel
net: add POLLPRI to sock_def_readable()
af_unix: Avoid socket->sk NULL OOPS in stream connect security hooks.
net_sched: pfifo_head_drop problem
mac80211: remove stray extern
mac80211: implement off-channel TX using hw r-o-c offload
mac80211: implement hardware offload for remain-on-channel
...
Diffstat (limited to 'net/batman-adv/bitarray.h')
-rw-r--r-- | net/batman-adv/bitarray.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/net/batman-adv/bitarray.h b/net/batman-adv/bitarray.h new file mode 100644 index 000000000000..ac54017601b1 --- /dev/null +++ b/net/batman-adv/bitarray.h @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2006-2010 B.A.T.M.A.N. contributors: + * + * Simon Wunderlich, Marek Lindner + * + * 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_BITARRAY_H_ +#define _NET_BATMAN_ADV_BITARRAY_H_ + +#define WORD_BIT_SIZE (sizeof(unsigned long) * 8) + +/* returns true if the corresponding bit in the given seq_bits indicates true + * and curr_seqno is within range of last_seqno */ +uint8_t get_bit_status(unsigned long *seq_bits, uint32_t last_seqno, + uint32_t curr_seqno); + +/* turn corresponding bit on, so we can remember that we got the packet */ +void bit_mark(unsigned long *seq_bits, int32_t n); + + +/* receive and process one packet, returns 1 if received seq_num is considered + * new, 0 if old */ +char bit_get_packet(void *priv, unsigned long *seq_bits, + int32_t seq_num_diff, int8_t set_mark); + +/* count the hamming weight, how many good packets did we receive? */ +int bit_packet_count(unsigned long *seq_bits); + +#endif /* _NET_BATMAN_ADV_BITARRAY_H_ */ |