From c20851035126cc1d97c337083f98b797eed155a3 Mon Sep 17 00:00:00 2001 From: Alexander Aring Date: Sun, 26 Oct 2014 09:37:05 +0100 Subject: [PATCH] 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: Alexander Aring Signed-off-by: Marcel Holtmann --- include/net/mac802154.h | 4 ++++ net/mac802154/Makefile | 2 +- net/mac802154/util.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 60 insertions(+), 1 deletion(-) create mode 100644 net/mac802154/util.c diff --git a/include/net/mac802154.h b/include/net/mac802154.h index ba8ddff..29af5c3 100644 --- a/include/net/mac802154.h +++ b/include/net/mac802154.h @@ -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 */ diff --git a/net/mac802154/Makefile b/net/mac802154/Makefile index 203f42d..e68deba 100644 --- a/net/mac802154/Makefile +++ b/net/mac802154/Makefile @@ -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__ diff --git a/net/mac802154/util.c b/net/mac802154/util.c new file mode 100644 index 0000000..117e4ef --- /dev/null +++ b/net/mac802154/util.c @@ -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 + * + * 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); -- 1.9.1