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Commit c2085103 authored by Alexander Aring's avatar Alexander Aring Committed by Marcel Holtmann
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mac802154: add netdev qeue helpers 



This patch adds a new file net/mac802154/util.c which contains utility
functions for drivers, etc. This file contains functions to start and
stop queues for all virtual interfaces, this is useful for asynchronous
handling by driver level.

Signed-off-by: default avatarAlexander Aring <alex.aring@gmail.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent dc67c6b3

include/net/mac802154.h

+4 −0
Original line number Diff line number Diff line
@@ -190,4 +190,8 @@ void ieee802154_unregister_hw(struct ieee802154_hw *hw); 
void ieee802154_rx_irqsafe(struct ieee802154_hw *hw, struct sk_buff *skb,

			   u8 lqi);



void ieee802154_wake_queue(struct ieee802154_hw *hw);

void ieee802154_stop_queue(struct ieee802154_hw *hw);

void ieee802154_xmit_complete(struct ieee802154_hw *hw, struct sk_buff *skb);



#endif /* NET_MAC802154_H */

net/mac802154/Makefile

+1 −1
Original line number Diff line number Diff line 
obj-$(CONFIG_MAC802154)	+= mac802154.o

mac802154-objs		:= main.o rx.o tx.o mac_cmd.o mib.o \

			   monitor.o iface.o llsec.o

			   monitor.o iface.o llsec.o util.o



ccflags-y += -D__CHECK_ENDIAN__

net/mac802154/util.c

0 → 100644
+55 −0
Original line number Diff line number Diff line 
/* 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"



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);



void ieee802154_xmit_complete(struct ieee802154_hw *hw, struct sk_buff *skb)

{

	ieee802154_wake_queue(hw);

	consume_skb(skb);

}

EXPORT_SYMBOL(ieee802154_xmit_complete);