Eric Lee / smarc-ti-linux-kernel

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Commit c20851035126cc1d97c337083f98b797eed155a3

Authored by Alexander Aring
Committed by Marcel Holtmann
1 parent dc67c6b30f
Exists in ti-lsk-linux-4.1.y and in 10 other branches dlt-processor-sdk-linux-03.00.00.04, processor-sdk-linux-02.00.01, smarc-ti-lsk-linux-4.1.y, smarct3x-processor-sdk-04.01.00.06, smarct3x-processor-sdk-linux-02.00.01, smarct3x-processor-sdk-linux-03.00.00.04, smarct4x-800-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-04.01.00.06, smarct4x-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-linux-03.00.00.04

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 <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

Showing 3 changed files with 60 additions and 1 deletions Side-by-side Diff

include/net/mac802154.h
Diff comments   View file @ c208510
... ... @@ -190,5 +190,9 @@
190 190 void ieee802154_rx_irqsafe(struct ieee802154_hw *hw, struct sk_buff *skb,
191 191 u8 lqi);
192 192  
  193 +void ieee802154_wake_queue(struct ieee802154_hw *hw);
  194 +void ieee802154_stop_queue(struct ieee802154_hw *hw);
  195 +void ieee802154_xmit_complete(struct ieee802154_hw *hw, struct sk_buff *skb);
  196 +
193 197 #endif /* NET_MAC802154_H */
net/mac802154/Makefile
Diff comments   View file @ c208510
1 1 obj-$(CONFIG_MAC802154) += mac802154.o
2 2 mac802154-objs := main.o rx.o tx.o mac_cmd.o mib.o \
3   - monitor.o iface.o llsec.o
  3 + monitor.o iface.o llsec.o util.o
4 4  
5 5 ccflags-y += -D__CHECK_ENDIAN__
net/mac802154/util.c
Diff comments   View file @ c208510
  1 +/* This program is free software; you can redistribute it and/or modify
  2 + * it under the terms of the GNU General Public License version 2
  3 + * as published by the Free Software Foundation.
  4 + *
  5 + * This program is distributed in the hope that it will be useful,
  6 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
  7 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  8 + * GNU General Public License for more details.
  9 + *
  10 + * Authors:
  11 + * Alexander Aring <aar@pengutronix.de>
  12 + *
  13 + * Based on: net/mac80211/util.c
  14 + */
  15 +
  16 +#include "ieee802154_i.h"
  17 +
  18 +void ieee802154_wake_queue(struct ieee802154_hw *hw)
  19 +{
  20 + struct ieee802154_local *local = hw_to_local(hw);
  21 + struct ieee802154_sub_if_data *sdata;
  22 +
  23 + rcu_read_lock();
  24 + list_for_each_entry_rcu(sdata, &local->interfaces, list) {
  25 + if (!sdata->dev)
  26 + continue;
  27 +
  28 + netif_wake_queue(sdata->dev);
  29 + }
  30 + rcu_read_unlock();
  31 +}
  32 +EXPORT_SYMBOL(ieee802154_wake_queue);
  33 +
  34 +void ieee802154_stop_queue(struct ieee802154_hw *hw)
  35 +{
  36 + struct ieee802154_local *local = hw_to_local(hw);
  37 + struct ieee802154_sub_if_data *sdata;
  38 +
  39 + rcu_read_lock();
  40 + list_for_each_entry_rcu(sdata, &local->interfaces, list) {
  41 + if (!sdata->dev)
  42 + continue;
  43 +
  44 + netif_stop_queue(sdata->dev);
  45 + }
  46 + rcu_read_unlock();
  47 +}
  48 +EXPORT_SYMBOL(ieee802154_stop_queue);
  49 +
  50 +void ieee802154_xmit_complete(struct ieee802154_hw *hw, struct sk_buff *skb)
  51 +{
  52 + ieee802154_wake_queue(hw);
  53 + consume_skb(skb);
  54 +}
  55 +EXPORT_SYMBOL(ieee802154_xmit_complete);