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remove ieee80211_tx_frame()
After the softmac removal ieee80211_tx_frame() was no longer used. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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parent
712590de5e
commit
c12cf21097
@ -1262,9 +1262,6 @@ extern int ieee80211_set_encryption(struct ieee80211_device *ieee);
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/* ieee80211_tx.c */
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extern int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev);
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extern void ieee80211_txb_free(struct ieee80211_txb *);
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extern int ieee80211_tx_frame(struct ieee80211_device *ieee,
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struct ieee80211_hdr *frame, int hdr_len,
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int total_len, int encrypt_mpdu);
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/* ieee80211_rx.c */
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extern void ieee80211_rx_any(struct ieee80211_device *ieee,
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@ -542,90 +542,4 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
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return 1;
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}
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/* Incoming 802.11 strucure is converted to a TXB
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* a block of 802.11 fragment packets (stored as skbs) */
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int ieee80211_tx_frame(struct ieee80211_device *ieee,
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struct ieee80211_hdr *frame, int hdr_len, int total_len,
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int encrypt_mpdu)
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{
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struct ieee80211_txb *txb = NULL;
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unsigned long flags;
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struct net_device_stats *stats = &ieee->stats;
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struct sk_buff *skb_frag;
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int priority = -1;
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int fraglen = total_len;
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int headroom = ieee->tx_headroom;
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struct ieee80211_crypt_data *crypt = ieee->crypt[ieee->tx_keyidx];
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spin_lock_irqsave(&ieee->lock, flags);
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if (encrypt_mpdu && (!ieee->sec.encrypt || !crypt))
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encrypt_mpdu = 0;
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/* If there is no driver handler to take the TXB, dont' bother
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* creating it... */
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if (!ieee->hard_start_xmit) {
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printk(KERN_WARNING "%s: No xmit handler.\n", ieee->dev->name);
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goto success;
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}
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if (unlikely(total_len < 24)) {
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printk(KERN_WARNING "%s: skb too small (%d).\n",
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ieee->dev->name, total_len);
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goto success;
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}
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if (encrypt_mpdu) {
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frame->frame_ctl |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
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fraglen += crypt->ops->extra_mpdu_prefix_len +
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crypt->ops->extra_mpdu_postfix_len;
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headroom += crypt->ops->extra_mpdu_prefix_len;
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}
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/* When we allocate the TXB we allocate enough space for the reserve
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* and full fragment bytes (bytes_per_frag doesn't include prefix,
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* postfix, header, FCS, etc.) */
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txb = ieee80211_alloc_txb(1, fraglen, headroom, GFP_ATOMIC);
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if (unlikely(!txb)) {
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printk(KERN_WARNING "%s: Could not allocate TXB\n",
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ieee->dev->name);
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goto failed;
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}
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txb->encrypted = 0;
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txb->payload_size = fraglen;
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skb_frag = txb->fragments[0];
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memcpy(skb_put(skb_frag, total_len), frame, total_len);
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if (ieee->config &
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(CFG_IEEE80211_COMPUTE_FCS | CFG_IEEE80211_RESERVE_FCS))
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skb_put(skb_frag, 4);
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/* To avoid overcomplicating things, we do the corner-case frame
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* encryption in software. The only real situation where encryption is
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* needed here is during software-based shared key authentication. */
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if (encrypt_mpdu)
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ieee80211_encrypt_fragment(ieee, skb_frag, hdr_len);
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success:
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spin_unlock_irqrestore(&ieee->lock, flags);
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if (txb) {
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if ((*ieee->hard_start_xmit) (txb, ieee->dev, priority) == 0) {
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stats->tx_packets++;
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stats->tx_bytes += txb->payload_size;
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return 0;
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}
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ieee80211_txb_free(txb);
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}
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return 0;
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failed:
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spin_unlock_irqrestore(&ieee->lock, flags);
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stats->tx_errors++;
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return 1;
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}
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EXPORT_SYMBOL(ieee80211_tx_frame);
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EXPORT_SYMBOL(ieee80211_txb_free);
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