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mac80211: let drivers wake but not start queues 

Having drivers start queues is just confusing, their ->start()
callback can block and do whatever is necessary, so let mac80211
start queues and have drivers wake queues when necessary (to get
packets flowing again right away.)

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2008-05-15 12:55:26 +02:00 committed by John W. Linville
parent c4680470a3
commit 36d6825b91
12 changed files with 14 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/adm8211.c
View File

@ -2015,7 +2015,7 @@ static int adm8211_resume(struct pci_dev *pdev)
if (priv->mode != IEEE80211_IF_TYPE_INVALID) {
adm8211_start(dev);
ieee80211_start_queues(dev);
ieee80211_wake_queues(dev);
}
return 0;

2
drivers/net/wireless/ath5k/base.c
View File

@ -1599,7 +1599,7 @@ ath5k_txq_cleanup(struct ath5k_softc *sc)
sc->txqs[i].link);
}
}
ieee80211_start_queues(sc->hw); /* XXX move to callers */
ieee80211_wake_queues(sc->hw); /* XXX move to callers */
for (i = 0; i < ARRAY_SIZE(sc->txqs); i++)
if (sc->txqs[i].setup)

1
drivers/net/wireless/b43/main.c
View File

@ -3497,7 +3497,6 @@ static int b43_wireless_core_start(struct b43_wldev *dev)
/* Start data flow (TX/RX). */
b43_mac_enable(dev);
b43_interrupt_enable(dev, dev->irq_savedstate);
ieee80211_start_queues(dev->wl->hw);
/* Start maintainance work */
b43_periodic_tasks_setup(dev);

1
drivers/net/wireless/b43legacy/main.c
View File

@ -2794,7 +2794,6 @@ static int b43legacy_wireless_core_start(struct b43legacy_wldev *dev)
/* Start data flow (TX/RX) */
b43legacy_mac_enable(dev);
b43legacy_interrupt_enable(dev, dev->irq_savedstate);
ieee80211_start_queues(dev->wl->hw);
/* Start maintenance work */
b43legacy_periodic_tasks_setup(dev);

2
drivers/net/wireless/iwlwifi/iwl3945-base.c
View File

@ -5823,7 +5823,7 @@ static void iwl3945_alive_start(struct iwl3945_priv *priv)
if (iwl3945_is_rfkill(priv))
return;
ieee80211_start_queues(priv->hw);
ieee80211_wake_queues(priv->hw);
priv->active_rate = priv->rates_mask;
priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK;

2
drivers/net/wireless/iwlwifi/iwl4965-base.c
View File

@ -3367,7 +3367,7 @@ static void iwl4965_alive_start(struct iwl_priv *priv)
if (iwl_is_rfkill(priv))
return;
ieee80211_start_queues(priv->hw);
ieee80211_wake_queues(priv->hw);
priv->active_rate = priv->rates_mask;
priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK;

3
drivers/net/wireless/p54/p54common.c
View File

@ -375,9 +375,6 @@ static void inline p54_wake_free_queues(struct ieee80211_hw *dev)
struct p54_common *priv = dev->priv;
int i;
/* ieee80211_start_queues is great if all queues are really empty.
* But, what if some are full? */
for (i = 0; i < dev->queues; i++)
if (priv->tx_stats[i].len < priv->tx_stats[i].limit)
ieee80211_wake_queue(dev, i);

2
drivers/net/wireless/p54/p54pci.c
View File

@ -665,7 +665,7 @@ static int p54p_resume(struct pci_dev *pdev)
if (priv->common.mode != IEEE80211_IF_TYPE_INVALID) {
p54p_open(dev);
ieee80211_start_queues(dev);
ieee80211_wake_queues(dev);
}
return 0;

4
drivers/net/wireless/rt2x00/rt2x00dev.c
View File

@ -125,7 +125,7 @@ int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev)
/*
* Start the TX queues.
*/
ieee80211_start_queues(rt2x00dev->hw);
ieee80211_wake_queues(rt2x00dev->hw);
return 0;
}
@ -1186,7 +1186,7 @@ int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev)
* In that case we have disabled the TX queue and should
* now enable it again
*/
ieee80211_start_queues(rt2x00dev->hw);
ieee80211_wake_queues(rt2x00dev->hw);
/*
* During interface iteration we might have changed the

8
include/net/mac80211.h
View File

@ -1566,14 +1566,6 @@ void ieee80211_wake_queue(struct ieee80211_hw *hw, int queue);
*/
void ieee80211_stop_queue(struct ieee80211_hw *hw, int queue);
/**
* ieee80211_start_queues - start all queues
* @hw: pointer to as obtained from ieee80211_alloc_hw().
*
* Drivers should use this function instead of netif_start_queue.
*/
void ieee80211_start_queues(struct ieee80211_hw *hw);
/**
* ieee80211_stop_queues - stop all queues
* @hw: pointer as obtained from ieee80211_alloc_hw().

6
net/mac80211/main.c
View File

@ -110,7 +110,13 @@ static int ieee80211_master_open(struct net_device *dev)
break;
}
}
if (res)
return res;
netif_start_queue(local->mdev);
return 0;
}
static int ieee80211_master_stop(struct net_device *dev)

12
net/mac80211/util.c
View File

@ -350,18 +350,6 @@ void ieee80211_stop_queue(struct ieee80211_hw *hw, int queue)
}
EXPORT_SYMBOL(ieee80211_stop_queue);
void ieee80211_start_queues(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);
int i;
for (i = 0; i < hw->queues + hw->ampdu_queues; i++)
clear_bit(IEEE80211_LINK_STATE_XOFF, &local->state[i]);
if (!ieee80211_qdisc_installed(local->mdev))
netif_start_queue(local->mdev);
}
EXPORT_SYMBOL(ieee80211_start_queues);
void ieee80211_stop_queues(struct ieee80211_hw *hw)
{
int i;