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mac802154: add netdev qeue helpers

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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: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Alexander Aring 2014-10-26 09:37:05 +01:00 committed by Marcel Holtmann
parent dc67c6b30f
commit c208510351
3 changed files with 60 additions and 1 deletions
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4
include/net/mac802154.h
View file

@ -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 */

2
net/mac802154/Makefile
View file

@ -1,5 +1,5 @@
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__

55
net/mac802154/util.c Normal file
View file

@ -0,0 +1,55 @@
/* 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);