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Commit c12cf210 authored by Adrian Bunk's avatar Adrian Bunk Committed by John W. Linville
Browse files

remove ieee80211_tx_frame() 



After the softmac removal ieee80211_tx_frame() was no longer used.

Signed-off-by: default avatarAdrian Bunk <bunk@kernel.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 712590de

include/net/ieee80211.h

+0 −3
Original line number Diff line number Diff line
@@ -1262,9 +1262,6 @@ extern int ieee80211_set_encryption(struct ieee80211_device *ieee); 
/* ieee80211_tx.c */

extern int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev);

extern void ieee80211_txb_free(struct ieee80211_txb *);

extern int ieee80211_tx_frame(struct ieee80211_device *ieee,

			      struct ieee80211_hdr *frame, int hdr_len,

			      int total_len, int encrypt_mpdu);



/* ieee80211_rx.c */

extern void ieee80211_rx_any(struct ieee80211_device *ieee,

net/ieee80211/ieee80211_tx.c

+0 −86
Original line number Diff line number Diff line
@@ -542,90 +542,4 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev) 
	return 1;

}



/* Incoming 802.11 strucure is converted to a TXB

 * a block of 802.11 fragment packets (stored as skbs) */

int ieee80211_tx_frame(struct ieee80211_device *ieee,

		       struct ieee80211_hdr *frame, int hdr_len, int total_len,

		       int encrypt_mpdu)

{

	struct ieee80211_txb *txb = NULL;

	unsigned long flags;

	struct net_device_stats *stats = &ieee->stats;

	struct sk_buff *skb_frag;

	int priority = -1;

	int fraglen = total_len;

	int headroom = ieee->tx_headroom;

	struct ieee80211_crypt_data *crypt = ieee->crypt[ieee->tx_keyidx];



	spin_lock_irqsave(&ieee->lock, flags);



	if (encrypt_mpdu && (!ieee->sec.encrypt || !crypt))

		encrypt_mpdu = 0;



	/* If there is no driver handler to take the TXB, dont' bother

	 * creating it... */

	if (!ieee->hard_start_xmit) {

		printk(KERN_WARNING "%s: No xmit handler.\n", ieee->dev->name);

		goto success;

	}



	if (unlikely(total_len < 24)) {

		printk(KERN_WARNING "%s: skb too small (%d).\n",

		       ieee->dev->name, total_len);

		goto success;

	}



	if (encrypt_mpdu) {

		frame->frame_ctl |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);

		fraglen += crypt->ops->extra_mpdu_prefix_len +

			   crypt->ops->extra_mpdu_postfix_len;

		headroom += crypt->ops->extra_mpdu_prefix_len;

	}



	/* When we allocate the TXB we allocate enough space for the reserve

	 * and full fragment bytes (bytes_per_frag doesn't include prefix,

	 * postfix, header, FCS, etc.) */

	txb = ieee80211_alloc_txb(1, fraglen, headroom, GFP_ATOMIC);

	if (unlikely(!txb)) {

		printk(KERN_WARNING "%s: Could not allocate TXB\n",

		       ieee->dev->name);

		goto failed;

	}

	txb->encrypted = 0;

	txb->payload_size = fraglen;



	skb_frag = txb->fragments[0];



	memcpy(skb_put(skb_frag, total_len), frame, total_len);



	if (ieee->config &

	    (CFG_IEEE80211_COMPUTE_FCS | CFG_IEEE80211_RESERVE_FCS))

		skb_put(skb_frag, 4);



	/* To avoid overcomplicating things, we do the corner-case frame

	 * encryption in software. The only real situation where encryption is

	 * needed here is during software-based shared key authentication. */

	if (encrypt_mpdu)

		ieee80211_encrypt_fragment(ieee, skb_frag, hdr_len);



      success:

	spin_unlock_irqrestore(&ieee->lock, flags);



	if (txb) {

		if ((*ieee->hard_start_xmit) (txb, ieee->dev, priority) == 0) {

			stats->tx_packets++;

			stats->tx_bytes += txb->payload_size;

			return 0;

		}

		ieee80211_txb_free(txb);

	}

	return 0;



      failed:

	spin_unlock_irqrestore(&ieee->lock, flags);

	stats->tx_errors++;

	return 1;

}



EXPORT_SYMBOL(ieee80211_tx_frame);

EXPORT_SYMBOL(ieee80211_txb_free);