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Re: [PATCH] rt2x00: remove skb->do_not_encrypt usage

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On Tue, 2009-06-16 at 20:46 +0200, Ivo van Doorn wrote:
> From: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
> 
> Johannes is trying to get rid of the master netdev and in the process will
> remove skb->do_not_encrypt field. This removes the do_not_encrypt
> usage from rt2x00 to make the change easier.

So that worked, thanks!

johannes

> Signed-off-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
> Signed-off-by: Ivo van Doorn <IvDoorn@xxxxxxxxx>
> ---
> diff --git a/drivers/net/wireless/rt2x00/rt2x00crypto.c b/drivers/net/wireless/rt2x00/rt2x00crypto.c
> index 57ab42c..3ef26f5 100644
> --- a/drivers/net/wireless/rt2x00/rt2x00crypto.c
> +++ b/drivers/net/wireless/rt2x00/rt2x00crypto.c
> @@ -53,8 +53,7 @@ void rt2x00crypto_create_tx_descriptor(struct queue_entry *entry,
>  	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb);
>  	struct ieee80211_key_conf *hw_key = tx_info->control.hw_key;
>  
> -	if (!test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags) ||
> -	    !hw_key || entry->skb->do_not_encrypt)
> +	if (!test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags) || !hw_key)
>  		return;
>  
>  	__set_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags);
> @@ -82,8 +81,7 @@ unsigned int rt2x00crypto_tx_overhead(struct rt2x00_dev *rt2x00dev,
>  	struct ieee80211_key_conf *key = tx_info->control.hw_key;
>  	unsigned int overhead = 0;
>  
> -	if (!test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags) ||
> -	    !key || skb->do_not_encrypt)
> +	if (!test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags) || !key)
>  		return overhead;
>  
>  	/*
> diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
> index c4c06b4..475a3ed 100644
> --- a/drivers/net/wireless/rt2x00/rt2x00mac.c
> +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
> @@ -73,7 +73,8 @@ static int rt2x00mac_tx_rts_cts(struct rt2x00_dev *rt2x00dev,
>  	else
>  		rts_info->flags &= ~IEEE80211_TX_CTL_NO_ACK;
>  
> -	skb->do_not_encrypt = 1;
> +	/* Disable hardware encryption */
> +	rts_info->control.hw_key = NULL;
>  
>  	/*
>  	 * RTS/CTS frame should use the length of the frame plus any
> 

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