/* Copyright (C) 2006-2017  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, see <http://www.gnu.org/licenses/>.
 */

#ifndef _NET_BATMAN_ADV_BITARRAY_H_
#define _NET_BATMAN_ADV_BITARRAY_H_

#include "main.h"

#include <linux/bitops.h>
#include <linux/compiler.h>
#include <linux/stddef.h>
#include <linux/types.h>

/**
 * batadv_test_bit - check if bit is set in the current window
 *
 * @seq_bits: pointer to the sequence number receive packet
 * @last_seqno: latest sequence number in seq_bits
 * @curr_seqno: sequence number to test for
 *
 * Return: true if the corresponding bit in the given seq_bits indicates true
 * and curr_seqno is within range of last_seqno. Otherwise returns false.
 */
static inline bool batadv_test_bit(const unsigned long *seq_bits,
				   u32 last_seqno, u32 curr_seqno)
{
	s32 diff;

	diff = last_seqno - curr_seqno;
	if (diff < 0 || diff >= BATADV_TQ_LOCAL_WINDOW_SIZE)
		return false;
	return test_bit(diff, seq_bits) != 0;
}

/* turn corresponding bit on, so we can remember that we got the packet */
static inline void batadv_set_bit(unsigned long *seq_bits, s32 n)
{
	/* if too old, just drop it */
	if (n < 0 || n >= BATADV_TQ_LOCAL_WINDOW_SIZE)
		return;

	set_bit(n, seq_bits); /* turn the position on */
}

bool batadv_bit_get_packet(void *priv, unsigned long *seq_bits,
			   s32 seq_num_diff, int set_mark);

#endif /* _NET_BATMAN_ADV_BITARRAY_H_ */
er.c?id=0d4ee015d5ea50febb882d00520d62c6de3f725c'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/net/netrom/nr_timer.c?id=0d4ee015d5ea50febb882d00520d62c6de3f725c'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/net/netrom/nr_timer.c'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=0d4ee015d5ea50febb882d00520d62c6de3f725c'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net?id=0d4ee015d5ea50febb882d00520d62c6de3f725c'>net</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/netrom?id=0d4ee015d5ea50febb882d00520d62c6de3f725c'>netrom</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/netrom/nr_timer.c?id=0d4ee015d5ea50febb882d00520d62c6de3f725c'>nr_timer.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='0d4ee015d5ea50febb882d00520d62c6de3f725c'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Jens Axboe &lt;axboe@fb.com&gt;</td><td class='right'>2017-01-26 09:56:15 -0700</td></tr>
<tr><th>committer</th><td>Jens Axboe &lt;axboe@fb.com&gt;</td><td class='right'>2017-01-26 09:56:15 -0700</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/netrom/nr_timer.c?id=0d4ee015d5ea50febb882d00520d62c6de3f725c'>0d4ee015d5ea50febb882d00520d62c6de3f725c</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/netrom/nr_timer.c?id=0d4ee015d5ea50febb882d00520d62c6de3f725c'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=0d4ee015d5ea50febb882d00520d62c6de3f725c'>6bd2e032e00c34590a8d39d5a43b6a7518d1384d</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/netrom/nr_timer.c?id=0d4ee015d5ea50febb882d00520d62c6de3f725c'>net/netrom/nr_timer.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/netrom/nr_timer.c?id=690e5325b8c7d5db05fc569c0f7b888bb4248272'>690e5325b8c7d5db05fc569c0f7b888bb4248272</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/netrom/nr_timer.c?id=0d4ee015d5ea50febb882d00520d62c6de3f725c&amp;id2=690e5325b8c7d5db05fc569c0f7b888bb4248272'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/netrom/nr_timer.c?id=19e420bb4076ace670addc55300e3b8c4a02dfc6'>19e420bb4076ace670addc55300e3b8c4a02dfc6</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/netrom/nr_timer.c?id=0d4ee015d5ea50febb882d00520d62c6de3f725c&amp;id2=19e420bb4076ace670addc55300e3b8c4a02dfc6'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'nvme-4.10-fixes' of git://git.infradead.org/nvme into for-linus</div><div class='commit-msg'>Pull nvme target fixes from Sagi:

Given that its -rc6, I removed anything that is not
bug fix.

- nvmet-fc discard fix from Christoph
- queue disconnect fix from James
- nvmet-rdma dma sync fix from Parav
- Some more nvmet fixes
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=0d4ee015d5ea50febb882d00520d62c6de3f725c'>Diffstat</a> (limited to 'net/netrom/nr_timer.c')</div><table summary='diffstat' class='diffstat'>