/*
 * OCB mode implementation
 *
 * Copyright: (c) 2014 Czech Technical University in Prague
 *            (c) 2014 Volkswagen Group Research
 * Author:    Rostislav Lisovy <rostislav.lisovy@fel.cvut.cz>
 * Funded by: Volkswagen Group Research
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/ieee80211.h>
#include <net/cfg80211.h>
#include "nl80211.h"
#include "core.h"
#include "rdev-ops.h"

int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
			struct net_device *dev,
			struct ocb_setup *setup)
{
	struct wireless_dev *wdev = dev->ieee80211_ptr;
	int err;

	ASSERT_WDEV_LOCK(wdev);

	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
		return -EOPNOTSUPP;

	if (!rdev->ops->join_ocb)
		return -EOPNOTSUPP;

	if (WARN_ON(!setup->chandef.chan))
		return -EINVAL;

	err = rdev_join_ocb(rdev, dev, setup);
	if (!err)
		wdev->chandef = setup->chandef;

	return err;
}

int cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
		      struct net_device *dev,
		      struct ocb_setup *setup)
{
	struct wireless_dev *wdev = dev->ieee80211_ptr;
	int err;

	wdev_lock(wdev);
	err = __cfg80211_join_ocb(rdev, dev, setup);
	wdev_unlock(wdev);

	return err;
}

int __cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
			 struct net_device *dev)
{
	struct wireless_dev *wdev = dev->ieee80211_ptr;
	int err;

	ASSERT_WDEV_LOCK(wdev);

	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
		return -EOPNOTSUPP;

	if (!rdev->ops->leave_ocb)
		return -EOPNOTSUPP;

	err = rdev_leave_ocb(rdev, dev);
	if (!err)
		memset(&wdev->chandef, 0, sizeof(wdev->chandef));

	return err;
}

int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
		       struct net_device *dev)
{
	struct wireless_dev *wdev = dev->ieee80211_ptr;
	int err;

	wdev_lock(wdev);
	err = __cfg80211_leave_ocb(rdev, dev);
	wdev_unlock(wdev);

	return err;
}
a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/net/netfilter'>
<input type='hidden' name='id' value='c8b030774f43a816e287e50581fe84e8ea905c44'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=c8b030774f43a816e287e50581fe84e8ea905c44'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/net?id=c8b030774f43a816e287e50581fe84e8ea905c44'>net</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/netfilter?id=c8b030774f43a816e287e50581fe84e8ea905c44'>netfilter</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/net/netfilter?id=c8b030774f43a816e287e50581fe84e8ea905c44&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
<tr><td><span title='2017-02-03 16:58:20 -0500'>2017-02-03</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net/netfilter?id=52e01b84a244473074fc0612c169e2e043d58b01'>Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next</a></td><td>David S. Miller</td><td>31</td><td><span class='deletions'>-513</span>/<span class='insertions'>+461</span></td></tr>
<tr><td><span title='2017-02-02 14:31:58 +0100'>2017-02-02</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net/netfilter?id=2851940ffee313e0ff12540a8e11a8c54dea9c65'>netfilter: allow logging from non-init namespaces</a></td><td>Michal Kubeček</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+24</span></td></tr>
<tr><td><span title='2017-02-02 14:31:57 +0100'>2017-02-02</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net/netfilter?id=90c1aff702d449a1a248c4829d51c0bc677f968e'>ipvs: free ip_vs_dest structs when refcnt=0</a></td><td>David Windsor</td><td>1</td><td><span class='deletions'>-5</span>/<span class='insertions'>+3</span></td></tr>
<tr><td><span title='2017-02-02 14:31:56 +0100'>2017-02-02</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net/netfilter?id=a9e419dc7be6997409dca6d1b9daf3cc7046902f'>netfilter: merge ctinfo into nfct pointer storage area</a></td><td>Florian Westphal</td><td>4</td><td><span class='deletions'>-8</span>/<span class='insertions'>+12</span></td></tr>
<tr><td><span title='2017-02-02 14:31:55 +0100'>2017-02-02</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net/netfilter?id=303223092081963513494b4377fa1ac9e362ed4b'>netfilter: guarantee 8 byte minalign for template addresses</a></td><td>Florian Westphal</td><td>1</td><td><span class='deletions'>-5</span>/<span class='insertions'>+24</span></td></tr>
<tr><td><span title='2017-02-02 14:31:54 +0100'>2017-02-02</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net/netfilter?id=c74454fadd5ea6fc866ffe2c417a0dba56b2bf1c'>netfilter: add and use nf_ct_set helper</a></td><td>Florian Westphal</td><td>3</td><td><span class='deletions'>-14</span>/<span class='insertions'>+6</span></td></tr>
<tr><td><span title='2017-02-02 14:31:53 +0100'>2017-02-02</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net/netfilter?id=cb9c68363efb6d1f950ec55fb06e031ee70db5fc'>skbuff: add and use skb_nfct helper</a></td><td>Florian Westphal</td><td>3</td><td><span class='deletions'>-4</span>/<span class='insertions'>+4</span></td></tr>
<tr><td><span title='2017-02-02 14:31:52 +0100'>2017-02-02</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net/netfilter?id=97a6ad13decc16c5adbf181283932daba7e17faf'>netfilter: reduce direct skb-&gt;nfct usage</a></td><td>Florian Westphal</td><td>1</td><td><span class='deletions'>-6</span>/<span class='insertions'>+9</span></td></tr>
<tr><td><span title='2017-02-02 14:31:51 +0100'>2017-02-02</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net/netfilter?id=11df4b760f11ca7528c62b1c4b870735d1c62116'>netfilter: conntrack: no need to pass ctinfo to error handler</a></td><td>Florian Westphal</td><td>5</td><td><span class='deletions'>-7</span>/<span class='insertions'>+3</span></td></tr>