Subject: Re: [RFC/RFT v2]: compat-wireless for 2.6.32.4 - multiqueue
 backport support
From: Johannes Berg <johannes@sipsolutions.net>
To: "Luis R. Rodriguez" <mcgrof@bombadil.infradead.org>
Cc: linux-wireless <linux-wireless@vger.kernel.org>,
	netdev@vger.kernel.org, lrodriguez@atheros.com
In-Reply-To: <20100121230600.GC8069@bombadil.infradead.org>
References: <20100121230600.GC8069@bombadil.infradead.org>
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Date: Fri, 22 Jan 2010 10:34:38 +0100
Message-ID: <1264152878.11396.82.camel@johannes.local>
Mime-Version: 1.0
Sender: linux-wireless-owner@vger.kernel.org


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On Thu, 2010-01-21 at 18:06 -0500, Luis R. Rodriguez wrote:

> +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23))
> +static bool ieee80211_all_queues_stopped(struct ieee80211_hw *hw)

You want "all queues started" :)

> +{
> +	unsigned int queue;
> +
> +	for (queue =3D 0; queue < hw->queues; queue++)
> +		if (!ieee80211_queue_stopped(hw, queue))
> +			return false;
> +	return true;
> +}
> +#endif
> +
>  static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue,
>  				   enum queue_stop_reason reason)
>  {
> @@ -287,7 +299,14 @@ static void __ieee80211_wake_queue(struc
> =20
>  	rcu_read_lock();
>  	list_for_each_entry_rcu(sdata, &local->interfaces, list)
> +#if (LINUX_VERSION_CODE >=3D KERNEL_VERSION(2,6,27))
>  		netif_tx_wake_queue(netdev_get_tx_queue(sdata->dev, queue));
> +#elif (LINUX_VERSION_CODE >=3D KERNEL_VERSION(2,6,23))
> +		netif_start_subqueue(sdata->dev, queue);
> +#else
> +		if (ieee80211_all_queues_stopped(hw))
> +			netif_wake_queue(sdata->dev);
> +#endif

johannes

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