Staging: rtl8187se/ieee80211: remove dead _RTL8187_EXT_PATCH_ code

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c

@@ -109,13 +109,6 @@ ieee80211_frag_cache_get(struct ieee80211_device *ieee,
 	struct ieee80211_hdr_QOS *hdr_4addr_QoS;
 	u8 tid;
 
-#ifdef _RTL8187_EXT_PATCH_
-	if(ieee->iw_mode == ieee->iw_ext_mode)
-	{
-		tid = (hdr->addr2[ETH_ALEN-2] ^ hdr->addr2[ETH_ALEN-1]) & IEEE80211_QOS_TID;
-	}
-	else
-#endif
 	if (((fc & IEEE80211_FCTL_DSTODS) == IEEE80211_FCTL_DSTODS)&&IEEE80211_QOS_HAS_SEQ(fc)) {
 	  hdr_4addr_QoS = (struct ieee80211_hdr_QOS *)hdr;
 	  tid = le16_to_cpu(hdr_4addr_QoS->QOS_ctl) & IEEE80211_QOS_TID;
@@ -183,13 +176,6 @@ static int ieee80211_frag_cache_invalidate(struct ieee80211_device *ieee,
 	struct ieee80211_hdr_QOS *hdr_4addr_QoS;
 	u8 tid;
 
-#ifdef _RTL8187_EXT_PATCH_
-	if(ieee->iw_mode == ieee->iw_ext_mode)
-	{
-		tid = (hdr->addr2[ETH_ALEN-2] ^ hdr->addr2[ETH_ALEN-1]) & IEEE80211_QOS_TID;
-	}
-	else
-#endif
 	if(((fc & IEEE80211_FCTL_DSTODS) == IEEE80211_FCTL_DSTODS)&&IEEE80211_QOS_HAS_SEQ(fc)) {
 	  hdr_4addr_QoS = (struct ieee80211_hdr_QOS *)hdr;
 	  tid = le16_to_cpu(hdr_4addr_QoS->QOS_ctl) & IEEE80211_QOS_TID;
@@ -364,13 +350,6 @@ ieee80211_rx_frame_decrypt(struct ieee80211_device* ieee, struct sk_buff *skb,
 		return 0;
 
 	hdr = (struct ieee80211_hdr *) skb->data;
-#ifdef _RTL8187_EXT_PATCH_
-	if((ieee->iw_mode == ieee->iw_ext_mode) && (ieee->ext_patch_ieee80211_rx_frame_get_hdrlen))
-	{
-		hdrlen = ieee->ext_patch_ieee80211_rx_frame_get_hdrlen(ieee, skb);
-	}
-	else
-#endif
 	hdrlen = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl));
 
 #ifdef CONFIG_IEEE80211_CRYPT_TKIP
@@ -416,13 +395,6 @@ ieee80211_rx_frame_decrypt_msdu(struct ieee80211_device* ieee, struct sk_buff *s
 		return 0;
 
 	hdr = (struct ieee80211_hdr *) skb->data;
-#ifdef _RTL8187_EXT_PATCH_
-	if((ieee->iw_mode == ieee->iw_ext_mode) && (ieee->ext_patch_ieee80211_rx_frame_get_hdrlen))
-	{
-		hdrlen = ieee->ext_patch_ieee80211_rx_frame_get_hdrlen(ieee, skb);
-	}
-	else
-#endif
 	hdrlen = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl));
 
 	atomic_inc(&crypt->refcnt);
@@ -454,13 +426,6 @@ static int is_duplicate_packet(struct ieee80211_device *ieee,
 	struct ieee80211_hdr_QOS *hdr_4addr_QoS;
 	u8 tid;
 
-#ifdef _RTL8187_EXT_PATCH_
-	if(ieee->iw_mode == ieee->iw_ext_mode)
-	{
-		tid = (header->addr2[ETH_ALEN-2] ^ header->addr2[ETH_ALEN-1]) & IEEE80211_QOS_TID;
-	}
-	else
-#endif
 	//TO2DS and QoS
 	if(((fc & IEEE80211_FCTL_DSTODS) == IEEE80211_FCTL_DSTODS)&&IEEE80211_QOS_HAS_SEQ(fc)) {
 	  hdr_4addr_QoS = (struct ieee80211_hdr_QOS *)header;
@@ -515,16 +480,6 @@ static int is_duplicate_packet(struct ieee80211_device *ieee,
 
 		break;
 	default:
-#ifdef _RTL8187_EXT_PATCH_
-		if(ieee->iw_mode == ieee->iw_ext_mode)
-		{
-			last_seq = &ieee->last_rxseq_num[tid];
-			last_frag = &ieee->last_rxfrag_num[tid];
-			last_time = &ieee->last_packet_time[tid];
-			break;
-		}
-		else
-#endif
 		return 0;
 	}
 
@@ -589,11 +544,6 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	struct ieee80211_crypt_data *crypt = NULL;
 	int keyidx = 0;
 
-	//Added for mesh by Lawrence.
-#ifdef _RTL8187_EXT_PATCH_
-	u8 status;
-	u32 flags;
-#endif
 	// cheat the the hdr type
 	hdr = (struct ieee80211_hdr *)skb->data;
 	stats = &ieee->stats;
@@ -628,15 +578,6 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	}
 //YJ,add,080828,for keep alive,end
 
-#ifdef _RTL8187_EXT_PATCH_
-	if((ieee->iw_mode == ieee->iw_ext_mode) && (ieee->ext_patch_ieee80211_rx_frame_get_hdrlen))
-	{
-		hdrlen = ieee->ext_patch_ieee80211_rx_frame_get_hdrlen(ieee, skb);
-		if(skb->len < hdrlen)
-			goto rx_dropped;
-	}
-	else
-#endif
 	hdrlen = ieee80211_get_hdrlen(fc);
 
 #ifdef NOT_YET
@@ -705,11 +646,6 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	if (skb->len < IEEE80211_DATA_HDR3_LEN)
 		goto rx_dropped;
 
-#ifdef _RTL8187_EXT_PATCH_
-	if( ieee->iw_mode == ieee->iw_ext_mode && ieee->ext_patch_ieee80211_rx_mgt_update_expire )
-		ieee->ext_patch_ieee80211_rx_mgt_update_expire( ieee, skb );
-#endif
-
 	// if QoS enabled, should check the sequence for each of the AC
 	if (is_duplicate_packet(ieee, hdr))
 		goto rx_dropped;
@@ -737,15 +673,6 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 		else
 			goto rx_exit;
 	}
-#ifdef _RTL8187_EXT_PATCH_
-	if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_rx_on_rx)
-	{
-		if(ieee->ext_patch_ieee80211_rx_on_rx(ieee, skb, rx_stats, type, stype)==0)
-		{
-			goto rx_exit;
-		}
-	}
-#endif
 
 	/* Data frame - extract src/dst addresses */
 	switch (fc & (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
@@ -814,14 +741,6 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	}
 #endif
 
-#ifdef _RTL8187_EXT_PATCH_
-	if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_rx_is_valid_framectl)
-	{
-		if(ieee->ext_patch_ieee80211_rx_is_valid_framectl(ieee, fc, type, stype)==0)
-			goto rx_dropped;
-	}
-	else
-#endif
 	/* Nullfunc frames may have PS-bit set, so they must be passed to
 	 * hostap_handle_sta_rx() before being dropped here. */
 	if (stype != IEEE80211_STYPE_DATA &&
@@ -989,22 +908,6 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	}
 #endif
 
-#ifdef _RTL8187_EXT_PATCH_
-	if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_rx_process_dataframe)
-	{
-	//Added for mesh rx interrupt.
-		//spin_lock_irqsave(&ieee->lock,flags);
-		status = ieee->ext_patch_ieee80211_rx_process_dataframe(ieee, skb, rx_stats);
-		//spin_unlock_irqrestore(&ieee->lock,flags);
-
-		if(status)
-//	if(ieee->ext_patch_ieee80211_rx_process_dataframe(ieee, skb, rx_stats))
-			goto rx_exit;
-		else
-			goto rx_dropped;
-	}
-#endif
-
 	/* convert hdr + possible LLC headers into Ethernet header */
 	if (skb->len - hdrlen >= 8 &&
 	    ((memcmp(payload, rfc1042_header, SNAP_SIZE) == 0 &&
@@ -1095,41 +998,6 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	return 0;
 }
 
-#ifdef _RTL8187_EXT_PATCH_
-int ieee_ext_skb_p80211_to_ether(struct sk_buff *skb, int hdrlen, u8 *dst, u8 *src)
-{
-	u8 *payload;
-	u16 ethertype;
-
-	/* skb: hdr + (possible reassembled) full plaintext payload */
-	payload = skb->data + hdrlen;
-	ethertype = (payload[6] << 8) | payload[7];
-
-	/* convert hdr + possible LLC headers into Ethernet header */
-	if (skb->len - hdrlen >= 8 &&
-	    ((memcmp(payload, rfc1042_header, SNAP_SIZE) == 0 &&
-	      ethertype != ETH_P_AARP && ethertype != ETH_P_IPX) ||
-	     memcmp(payload, bridge_tunnel_header, SNAP_SIZE) == 0)) {
-		/* remove RFC1042 or Bridge-Tunnel encapsulation and
-		 * replace EtherType */
-		skb_pull(skb, hdrlen + SNAP_SIZE);
-		memcpy(skb_push(skb, ETH_ALEN), src, ETH_ALEN);
-		memcpy(skb_push(skb, ETH_ALEN), dst, ETH_ALEN);
-	} else {
-		u16 len;
-		/* Leave Ethernet header part of hdr and full payload */
-		skb_pull(skb, hdrlen);
-		len = htons(skb->len);
-		memcpy(skb_push(skb, 2), &len, 2);
-		memcpy(skb_push(skb, ETH_ALEN), src, ETH_ALEN);
-		memcpy(skb_push(skb, ETH_ALEN), dst, ETH_ALEN);
-	}
-
-	return 1;
-}
-#endif // _RTL8187_EXT_PATCH_
-
-
 #define MGMT_FRAME_FIXED_PART_LENGTH		0x24
 
 static inline int ieee80211_is_ofdm_rate(u8 rate)
@@ -1708,13 +1576,6 @@ inline void ieee80211_process_probe_response(
 	u8 is_beacon = (WLAN_FC_GET_STYPE(beacon->header.frame_ctl) == IEEE80211_STYPE_BEACON)? 1:0;  //YJ,add,080819,for hidden ap
 
 	memset(&network, 0, sizeof(struct ieee80211_network));
-//rz
-#ifdef _RTL8187_EXT_PATCH_
-	if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_process_probe_response_1) {
-		ieee->ext_patch_ieee80211_process_probe_response_1(ieee, beacon, stats);
-		return;
-	}
-#endif
 
 	IEEE80211_DEBUG_SCAN(
 		"'%s' (" MAC_FMT "): %c%c%c%c %c%c%c%c-%c%c%c%c %c%c%c%c\n",
@@ -1879,9 +1740,6 @@ inline void ieee80211_process_probe_response(
 				     "PROBE RESPONSE" : "BEACON");
 #endif
 
-#ifdef _RTL8187_EXT_PATCH_
-	network.ext_entry = target->ext_entry;
-#endif
 		memcpy(target, &network, sizeof(*target));
 		list_add_tail(&target->list, &ieee->network_list);
 		if(ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE)
@@ -1939,18 +1797,6 @@ void ieee80211_rx_mgt(struct ieee80211_device *ieee,
 		ieee80211_process_probe_response(
 			ieee, (struct ieee80211_probe_response *)header, stats);
 		break;
-//rz
-#ifdef _RTL8187_EXT_PATCH_
-	case IEEE80211_STYPE_PROBE_REQ:
-		IEEE80211_DEBUG_MGMT("received PROBE REQUEST (%d)\n",
-				     WLAN_FC_GET_STYPE(header->frame_ctl));
-		IEEE80211_DEBUG_SCAN("Probe request\n");
-		///
-		if( ieee->iw_mode == ieee->iw_ext_mode && ieee->ext_patch_ieee80211_rx_mgt_on_probe_req )
-			ieee->ext_patch_ieee80211_rx_mgt_on_probe_req( ieee, (struct ieee80211_probe_request *)header, stats);
-		break;
-#endif // _RTL8187_EXT_PATCH_
-
 	}
 }
 
@@ -1958,7 +1804,4 @@ void ieee80211_rx_mgt(struct ieee80211_device *ieee,
 EXPORT_SYMBOL(ieee80211_rx_mgt);
 EXPORT_SYMBOL(ieee80211_rx);
 EXPORT_SYMBOL(ieee80211_network_init);
-#ifdef _RTL8187_EXT_PATCH_
-EXPORT_SYMBOL(ieee_ext_skb_p80211_to_ether);
-#endif
 #endif

drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c

@@ -304,216 +304,6 @@ ieee80211_classify(struct sk_buff *skb, struct ieee80211_network *network)
   return(wme_UP);
 }
 
-#ifdef _RTL8187_EXT_PATCH_
-// based on part of ieee80211_xmit. Mainly allocate txb. ieee->lock is held
-struct ieee80211_txb *ieee80211_ext_alloc_txb(struct sk_buff *skb, struct net_device *dev, struct ieee80211_hdr_3addr *header, int hdr_len, u8 isQoS, u16 *pQOS_ctl, int isEncrypt, struct ieee80211_crypt_data* crypt)
-{
-	struct ieee80211_device *ieee = netdev_priv(dev);
-	struct ieee80211_txb *txb = NULL;
-	struct ieee80211_hdr_3addr *frag_hdr;
-	int i, bytes_per_frag, nr_frags, bytes_last_frag, frag_size;
-	int ether_type;
-	int bytes, QOS_ctl;
-	struct sk_buff *skb_frag;
-
-	ether_type = ntohs(((struct ethhdr *)skb->data)->h_proto);
-
-	/* Advance the SKB to the start of the payload */
-	skb_pull(skb, sizeof(struct ethhdr));
-
-	/* Determine total amount of storage required for TXB packets */
-	bytes = skb->len + SNAP_SIZE + sizeof(u16);
-
-	/* Determine fragmentation size based on destination (multicast
-	 * and broadcast are not fragmented) */
-	// if (is_multicast_ether_addr(dest) ||
-	// is_broadcast_ether_addr(dest)) {
-	if (is_multicast_ether_addr(header->addr1) ||
-			is_broadcast_ether_addr(header->addr1)) {
-		frag_size = MAX_FRAG_THRESHOLD;
-		QOS_ctl = QOS_CTL_NOTCONTAIN_ACK;
-	}
-	else {
-		//printk(KERN_WARNING "&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&frag_size = %d\n", frag_size);
-		frag_size = ieee->fts;//default:392
-		QOS_ctl = 0;
-	}
-
-	if(isQoS) {
-		QOS_ctl |= skb->priority; //set in the ieee80211_classify
-		*pQOS_ctl = cpu_to_le16(QOS_ctl);
-	}
-	//printk(KERN_WARNING "header size = %d, QOS_ctl = %x\n", hdr_len,QOS_ctl);
-	/* Determine amount of payload per fragment.  Regardless of if
-	 * this stack is providing the full 802.11 header, one will
-	 * eventually be affixed to this fragment -- so we must account for
-	 * it when determining the amount of payload space. */
-	//bytes_per_frag = frag_size - (IEEE80211_3ADDR_LEN + (ieee->current_network->QoS_Enable ? 2:0));
-	bytes_per_frag = frag_size - hdr_len;
-	if (ieee->config &
-			(CFG_IEEE80211_COMPUTE_FCS | CFG_IEEE80211_RESERVE_FCS))
-		bytes_per_frag -= IEEE80211_FCS_LEN;
-
-	/* Each fragment may need to have room for encryptiong pre/postfix */
-	if (isEncrypt)
-		bytes_per_frag -= crypt->ops->extra_prefix_len +
-			crypt->ops->extra_postfix_len;
-
-	/* Number of fragments is the total bytes_per_frag /
-	 * payload_per_fragment */
-	nr_frags = bytes / bytes_per_frag;
-	bytes_last_frag = bytes % bytes_per_frag;
-	if (bytes_last_frag)
-		nr_frags++;
-	else
-		bytes_last_frag = bytes_per_frag;
-
-	/* 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(nr_frags, frag_size, GFP_ATOMIC);
-	if (unlikely(!txb)) {
-		printk(KERN_WARNING "%s: Could not allocate TXB\n",
-			ieee->dev->name);
-		return NULL;
-	}
-	txb->encrypted = isEncrypt;
-	txb->payload_size = bytes;
-
-	for (i = 0; i < nr_frags; i++) {
-		skb_frag = txb->fragments[i];
-		skb_frag->priority = UP2AC(skb->priority);
-		if (isEncrypt)
-			skb_reserve(skb_frag, crypt->ops->extra_prefix_len);
-
-		frag_hdr = (struct ieee80211_hdr_3addr *)skb_put(skb_frag, hdr_len);
-		memcpy(frag_hdr, (void *)header, hdr_len);
-
-		/* If this is not the last fragment, then add the MOREFRAGS
-		 * bit to the frame control */
-		if (i != nr_frags - 1) {
-			frag_hdr->frame_ctl = cpu_to_le16(
-					header->frame_ctl | IEEE80211_FCTL_MOREFRAGS);
-			bytes = bytes_per_frag;
-
-		} else {
-			/* The last fragment takes the remaining length */
-			bytes = bytes_last_frag;
-		}
-
-		frag_hdr->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0]<<4 | i);
-		//frag_hdr->seq_ctl = cpu_to_le16(ieee->seq_ctrl<<4 | i);
-		//
-
-		/* Put a SNAP header on the first fragment */
-		if (i == 0) {
-			ieee80211_put_snap(
-				skb_put(skb_frag, SNAP_SIZE + sizeof(u16)), ether_type);
-			bytes -= SNAP_SIZE + sizeof(u16);
-		}
-
-		memcpy(skb_put(skb_frag, bytes), skb->data, bytes);
-
-		/* Advance the SKB... */
-		skb_pull(skb, bytes);
-
-		/* Encryption routine will move the header forward in order
-		 * to insert the IV between the header and the payload */
-		if (isEncrypt)
-			ieee80211_encrypt_fragment(ieee, skb_frag, hdr_len);
-		if (ieee->config &
-				(CFG_IEEE80211_COMPUTE_FCS | CFG_IEEE80211_RESERVE_FCS))
-			skb_put(skb_frag, 4);
-	}
-	// Advance sequence number in data frame.
-	//printk(KERN_WARNING "QoS Enalbed? %s\n", ieee->current_network.QoS_Enable?"Y":"N");
-	if (ieee->seq_ctrl[0] == 0xFFF)
-		ieee->seq_ctrl[0] = 0;
-	else
-		ieee->seq_ctrl[0]++;
-	// stanley, just for debug
-/*
-{
-	int j=0;
-	for(j=0;j<nr_frags;j++)
-	{
-			int i;
-		struct sk_buff *skb = txb->fragments[j];
-			printk("send(%d): ", j);
-			for (i=0;i<skb->len;i++)
-				printk("%02X ", skb->data[i]&0xff);
-			printk("\n");
-	}
-}
-*/
-
-	return txb;
-}
-
-
-// based on part of ieee80211_xmit. Mainly allocate txb. ieee->lock is held
-// Assume no encryption, no FCS computing
-struct ieee80211_txb *ieee80211_ext_reuse_txb(struct sk_buff *skb, struct net_device *dev, struct ieee80211_hdr_3addr *header, int hdr_len, u8 isQoS, u16 *pQOS_ctl, int isEncrypt, struct ieee80211_crypt_data* crypt)
-{
-	struct ieee80211_device *ieee = netdev_priv(dev);
-	struct ieee80211_txb *txb = NULL;
-	struct ieee80211_hdr_3addr *frag_hdr;
-	int ether_type;
-	int bytes, QOS_ctl;
-
-	ether_type = ntohs(((struct ethhdr *)skb->data)->h_proto);
-
-	/* Advance the SKB to the start of the payload */
-	skb_pull(skb, sizeof(struct ethhdr));
-
-	/* Determine total amount of storage required for TXB packets */
-	bytes = skb->len + SNAP_SIZE + sizeof(u16);
-
-	if (is_multicast_ether_addr(header->addr1) ||
-			is_broadcast_ether_addr(header->addr1)) {
-		QOS_ctl = QOS_CTL_NOTCONTAIN_ACK;
-	}
-	else {
-		QOS_ctl = 0;
-	}
-
-	if(isQoS) {
-		QOS_ctl |= skb->priority; //set in the ieee80211_classify
-		*pQOS_ctl = cpu_to_le16(QOS_ctl);
-	}
-
-	txb = kmalloc( sizeof(struct ieee80211_txb) + sizeof(u8*), GFP_ATOMIC );
-	if (unlikely(!txb)) {
-		printk(KERN_WARNING "%s: Could not allocate TXB\n",
-			ieee->dev->name);
-		return NULL;
-	}
-
-	txb->nr_frags = 1;
-	txb->frag_size = bytes;
-	txb->encrypted = isEncrypt;
-	txb->payload_size = bytes;
-
-	txb->fragments[0] = skb;
-	ieee80211_put_snap(
-			skb_push(skb, SNAP_SIZE + sizeof(u16)), ether_type);
-	frag_hdr = (struct ieee80211_hdr_3addr *)skb_push(skb, hdr_len);
-	memcpy(frag_hdr, (void *)header, hdr_len);
-	frag_hdr->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0]<<4 | 0);
-	skb->priority = UP2AC(skb->priority);
-
-	// Advance sequence number in data frame.
-	//printk(KERN_WARNING "QoS Enalbed? %s\n", ieee->current_network.QoS_Enable?"Y":"N");
-	if (ieee->seq_ctrl[0] == 0xFFF)
-		ieee->seq_ctrl[0] = 0;
-	else
-		ieee->seq_ctrl[0]++;
-
-	return txb;
-}
-
-#endif // _RTL8187_EXT_PATCH_
-
 /* SKBs are added to the ieee->tx_queue. */
 int ieee80211_xmit(struct sk_buff *skb,
 		   struct net_device *dev)
@@ -561,16 +351,6 @@ int ieee80211_xmit(struct sk_buff *skb,
 			goto success;
 		}
 
-
-#ifdef _RTL8187_EXT_PATCH_
-		// note, skb->priority which was set by ieee80211_classify, and used by physical tx
-		if((ieee->iw_mode == ieee->iw_ext_mode) && (ieee->ext_patch_ieee80211_xmit))
-		{
-			txb = ieee->ext_patch_ieee80211_xmit(skb, dev);
-			goto success;
-		}
-#endif
-
 		ether_type = ntohs(((struct ethhdr *)skb->data)->h_proto);
 
 		crypt = ieee->crypt[ieee->tx_keyidx];
@@ -782,10 +562,6 @@ int ieee80211_xmit(struct sk_buff *skb,
 
  success:
 	spin_unlock_irqrestore(&ieee->lock, flags);
-#ifdef _RTL8187_EXT_PATCH_
-	// Sometimes, extension mode can reuse skb (by txb->fragments[0])
-	if( ! ((ieee->iw_mode == ieee->iw_ext_mode) && txb && (txb->fragments[0] == skb)) )
-#endif
 		dev_kfree_skb_any(skb);
 	if (txb) {
 		if (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE){
@@ -812,9 +588,4 @@ int ieee80211_xmit(struct sk_buff *skb,
 
 #if 0
 EXPORT_SYMBOL(ieee80211_txb_free);
-#ifdef _RTL8187_EXT_PATCH_
-EXPORT_SYMBOL(ieee80211_alloc_txb);
-EXPORT_SYMBOL(ieee80211_ext_alloc_txb);
-EXPORT_SYMBOL(ieee80211_ext_reuse_txb);
-#endif // _RTL8187_EXT_PATCH_
 #endif