/* 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.
 *
 * 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.
 *
 * Authors:
 * Alexander Aring <aar@pengutronix.de>
 *
 * Based on: net/mac80211/util.c
 */

#include "ieee802154_i.h"
#include "driver-ops.h"

/* privid for wpan_phys to determine whether they belong to us or not */
const void *const mac802154_wpan_phy_privid = &mac802154_wpan_phy_privid;

void ieee802154_wake_queue(struct ieee802154_hw *hw)
{
	struct ieee802154_local *local = hw_to_local(hw);
	struct ieee802154_sub_if_data *sdata;

	rcu_read_lock();
	list_for_each_entry_rcu(sdata, &local->interfaces, list) {
		if (!sdata->dev)
			continue;

		netif_wake_queue(sdata->dev);
	}
	rcu_read_unlock();
}
EXPORT_SYMBOL(ieee802154_wake_queue);

void ieee802154_stop_queue(struct ieee802154_hw *hw)
{
	struct ieee802154_local *local = hw_to_local(hw);
	struct ieee802154_sub_if_data *sdata;

	rcu_read_lock();
	list_for_each_entry_rcu(sdata, &local->interfaces, list) {
		if (!sdata->dev)
			continue;

		netif_stop_queue(sdata->dev);
	}
	rcu_read_unlock();
}
EXPORT_SYMBOL(ieee802154_stop_queue);

enum hrtimer_restart ieee802154_xmit_ifs_timer(struct hrtimer *timer)
{
	struct ieee802154_local *local =
		container_of(timer, struct ieee802154_local, ifs_timer);

	ieee802154_wake_queue(&local->hw);

	return HRTIMER_NORESTART;
}

void ieee802154_xmit_complete(struct ieee802154_hw *hw, struct sk_buff *skb,
			      bool ifs_handling)
{
	if (ifs_handling) {
		struct ieee802154_local *local = hw_to_local(hw);
		u8 max_sifs_size;

		/* If transceiver sets CRC on his own we need to use lifs
		 * threshold len above 16 otherwise 18, because it's not
		 * part of skb->len.
		 */
		if (hw->flags & IEEE802154_HW_TX_OMIT_CKSUM)
			max_sifs_size = IEEE802154_MAX_SIFS_FRAME_SIZE -
					IEEE802154_FCS_LEN;
		else
			max_sifs_size = IEEE802154_MAX_SIFS_FRAME_SIZE;

		if (skb->len > max_sifs_size)
			hrtimer_start(&local->ifs_timer,
				      hw->phy->lifs_period * NSEC_PER_USEC,
				      HRTIMER_MODE_REL);
		else
			hrtimer_start(&local->ifs_timer,
				      hw->phy->sifs_period * NSEC_PER_USEC,
				      HRTIMER_MODE_REL);
	} else {
		ieee802154_wake_queue(hw);
	}

	dev_consume_skb_any(skb);
}
EXPORT_SYMBOL(ieee802154_xmit_complete);

void ieee802154_stop_device(struct ieee802154_local *local)
{
	flush_workqueue(local->workqueue);
	hrtimer_cancel(&local->ifs_timer);
	drv_stop(local);
}
<a href='/cgit.cgi/linux/net-next.git/commit/include?id=69973b830859bc6529a7a0468ba0d80ee5117826'>include</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/net?id=69973b830859bc6529a7a0468ba0d80ee5117826'>net</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/net/netns?id=69973b830859bc6529a7a0468ba0d80ee5117826'>netns</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/net/netns/mib.h?id=69973b830859bc6529a7a0468ba0d80ee5117826'>mib.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='69973b830859bc6529a7a0468ba0d80ee5117826'/><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>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-12-11 11:17:54 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-12-11 11:17:54 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/net/netns/mib.h?id=69973b830859bc6529a7a0468ba0d80ee5117826'>69973b830859bc6529a7a0468ba0d80ee5117826</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/net/netns/mib.h?id=69973b830859bc6529a7a0468ba0d80ee5117826'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=69973b830859bc6529a7a0468ba0d80ee5117826'>5f11fe15ed9d9a3ab9c92242030e54b73ecdce45</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/net/netns/mib.h?id=69973b830859bc6529a7a0468ba0d80ee5117826'>include/net/netns/mib.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/net/netns/mib.h?id=2e4333c14de06a333783d6812cf3c4998f78b0c8'>2e4333c14de06a333783d6812cf3c4998f78b0c8</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/net/netns/mib.h?id=69973b830859bc6529a7a0468ba0d80ee5117826&amp;id2=2e4333c14de06a333783d6812cf3c4998f78b0c8'>diff</a>)</td></tr></table>
<div class='commit-subject'>Linux 4.9</div><div class='commit-msg'></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=69973b830859bc6529a7a0468ba0d80ee5117826'>Diffstat</a> (limited to 'include/net/netns/mib.h')</div><table summary='diffstat' class='diffstat'>