Staging: rtl8192u: make it compile

Add it to staging Kbuild and fixes some API differences that prevents
compilation.

It seems that the ieee80211 stack is very close to rtl8192su one.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

8 files changed, 106 insertions, 576 deletions

diff --git a/drivers/staging/rtl8192u/Makefile b/drivers/staging/rtl8192u/Makefile
index 99236903a9d5..2d59c4ef6c5b 100644
--- a/drivers/staging/rtl8192u/Makefile
+++ b/drivers/staging/rtl8192u/Makefile
@@ -10,6 +10,7 @@ EXTRA_CFLAGS += -DTHOMAS_BEACON -DTHOMAS_TASKLET -DTHOMAS_SKB -DTHOMAS_TURBO
 #EXTRA_CFLAGS += -DUSB_RX_AGGREGATION_SUPPORT
 EXTRA_CFLAGS += -DUSE_ONE_PIPE
 EXTRA_CFLAGS += -DENABLE_DOT11D
+EXTRA_CFLAGS += -Idrivers/staging/rtl8192u/ieee80211
 
 r8192u_usb-objs := r8192U_core.o r8180_93cx6.o r8192U_wx.o		\
 		  r8190_rtl8256.o r819xU_phy.o r819xU_firmware.o	\
diff --git a/drivers/staging/rtl8192u/ieee80211.h b/drivers/staging/rtl8192u/ieee80211.h
index c182e91b73c0..690d41c8cb62 100644
--- a/drivers/staging/rtl8192u/ieee80211.h
+++ b/drivers/staging/rtl8192u/ieee80211.h
@@ -39,9 +39,9 @@
 #include <linux/delay.h>
 #include <linux/wireless.h>
 
-#include "../../ieee80211/rtl819x_HT.h"
-#include "../../ieee80211/rtl819x_BA.h"
-#include "../../ieee80211/rtl819x_TS.h"
+#include "ieee80211/rtl819x_HT.h"
+#include "ieee80211/rtl819x_BA.h"
+#include "ieee80211/rtl819x_TS.h"
 
 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
 #ifndef bool
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt.c
index 199ee1695ad3..521e7b989934 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt.c
@@ -53,14 +53,8 @@ void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee,
 
 		list_del(ptr);
 
-		if (entry->ops) {
+		if (entry->ops)
 			entry->ops->deinit(entry->priv);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
-			module_put(entry->ops->owner);
-#else
-			__MOD_DEC_USE_COUNT(entry->ops->owner);
-#endif
-		}
 		kfree(entry);
 	}
 }
@@ -208,8 +202,7 @@ static struct ieee80211_crypto_ops ieee80211_crypt_null = {
 	.owner			= THIS_MODULE,
 };
 
-
-static int __init ieee80211_crypto_init(void)
+int __init ieee80211_crypto_init(void)
 {
 	int ret = -ENOMEM;
 
@@ -230,8 +223,7 @@ out:
 	return ret;
 }
 
-
-static void __exit ieee80211_crypto_deinit(void)
+void __exit ieee80211_crypto_deinit(void)
 {
 	struct list_head *ptr, *n;
 
@@ -250,24 +242,3 @@ static void __exit ieee80211_crypto_deinit(void)
 
 	kfree(hcrypt);
 }
-
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-EXPORT_SYMBOL(ieee80211_crypt_deinit_entries);
-EXPORT_SYMBOL(ieee80211_crypt_deinit_handler);
-EXPORT_SYMBOL(ieee80211_crypt_delayed_deinit);
-
-EXPORT_SYMBOL(ieee80211_register_crypto_ops);
-EXPORT_SYMBOL(ieee80211_unregister_crypto_ops);
-EXPORT_SYMBOL(ieee80211_get_crypto_ops);
-#else
-EXPORT_SYMBOL_NOVERS(ieee80211_crypt_deinit_entries);
-EXPORT_SYMBOL_NOVERS(ieee80211_crypt_deinit_handler);
-EXPORT_SYMBOL_NOVERS(ieee80211_crypt_delayed_deinit);
-
-EXPORT_SYMBOL_NOVERS(ieee80211_register_crypto_ops);
-EXPORT_SYMBOL_NOVERS(ieee80211_unregister_crypto_ops);
-EXPORT_SYMBOL_NOVERS(ieee80211_get_crypto_ops);
-#endif
-
-module_init(ieee80211_crypto_init);
-module_exit(ieee80211_crypto_deinit);
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_ccmp.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_ccmp.c
index a86c26eceb34..181edc46909e 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_ccmp.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_ccmp.c
@@ -24,27 +24,13 @@
 
 #include "ieee80211.h"
 
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-#include "rtl_crypto.h"
-#else
 #include <linux/crypto.h>
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-    #include <asm/scatterlist.h>
-#else
     #include <linux/scatterlist.h>
-#endif
-//#include <asm/scatterlist.h>
 
 MODULE_AUTHOR("Jouni Malinen");
 MODULE_DESCRIPTION("Host AP crypt: CCMP");
 MODULE_LICENSE("GPL");
 
-#ifndef OPENSUSE_SLED
-#define OPENSUSE_SLED 0
-#endif
-
 #define AES_BLOCK_LEN 16
 #define CCMP_HDR_LEN 8
 #define CCMP_MIC_LEN 8
@@ -75,21 +61,7 @@ struct ieee80211_ccmp_data {
 void ieee80211_ccmp_aes_encrypt(struct crypto_tfm *tfm,
 			     const u8 pt[16], u8 ct[16])
 {
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	struct scatterlist src, dst;
-
-	src.page = virt_to_page(pt);
-	src.offset = offset_in_page(pt);
-	src.length = AES_BLOCK_LEN;
-
-	dst.page = virt_to_page(ct);
-	dst.offset = offset_in_page(ct);
-	dst.length = AES_BLOCK_LEN;
-
-	crypto_cipher_encrypt(tfm, &dst, &src, AES_BLOCK_LEN);
-#else
 	crypto_cipher_encrypt_one((void*)tfm, ct, pt);
-#endif
 }
 
 static void * ieee80211_ccmp_init(int key_idx)
@@ -102,14 +74,6 @@ static void * ieee80211_ccmp_init(int key_idx)
 	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = key_idx;
 
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	priv->tfm = crypto_alloc_tfm("aes", 0);
-	if (priv->tfm == NULL) {
-		printk(KERN_DEBUG "ieee80211_crypt_ccmp: could not allocate "
-		       "crypto API aes\n");
-		goto fail;
-	}
-       #else
        priv->tfm = (void*)crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
 	if (IS_ERR(priv->tfm)) {
 		printk(KERN_DEBUG "ieee80211_crypt_ccmp: could not allocate "
@@ -117,17 +81,13 @@ static void * ieee80211_ccmp_init(int key_idx)
 		priv->tfm = NULL;
 		goto fail;
 	}
-	#endif
+
 	return priv;
 
 fail:
 	if (priv) {
 		if (priv->tfm)
-			#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))
-			crypto_free_tfm(priv->tfm);
-                    #else
 			crypto_free_cipher((void*)priv->tfm);
-		      #endif
 		kfree(priv);
 	}
 
@@ -138,12 +98,9 @@ fail:
 static void ieee80211_ccmp_deinit(void *priv)
 {
 	struct ieee80211_ccmp_data *_priv = priv;
+
 	if (_priv && _priv->tfm)
-#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))
-		crypto_free_tfm(_priv->tfm);
-#else
 		crypto_free_cipher((void*)_priv->tfm);
-#endif
 	kfree(priv);
 }
 
@@ -512,23 +469,12 @@ static struct ieee80211_crypto_ops ieee80211_crypt_ccmp = {
 	.owner			= THIS_MODULE,
 };
 
-
-static int __init ieee80211_crypto_ccmp_init(void)
+int __init ieee80211_crypto_ccmp_init(void)
 {
 	return ieee80211_register_crypto_ops(&ieee80211_crypt_ccmp);
 }
 
-
-static void __exit ieee80211_crypto_ccmp_exit(void)
+void __exit ieee80211_crypto_ccmp_exit(void)
 {
 	ieee80211_unregister_crypto_ops(&ieee80211_crypt_ccmp);
 }
-
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-EXPORT_SYMBOL(ieee80211_ccmp_null);
-#else
-EXPORT_SYMBOL_NOVERS(ieee80211_ccmp_null);
-#endif
-
-module_init(ieee80211_crypto_ccmp_init);
-module_exit(ieee80211_crypto_ccmp_exit);
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c
index b031b6495247..58af7c83449b 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c
@@ -22,33 +22,15 @@
 #include <asm/string.h>
 
 #include "ieee80211.h"
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,20))
-//#include "crypto_compat.h"
-#endif
-
 
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-#include "rtl_crypto.h"
-#else
 #include <linux/crypto.h>
-#endif
-//#include <asm/scatterlist.h>
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-    #include <asm/scatterlist.h>
-#else
         #include <linux/scatterlist.h>
-#endif
-
 #include <linux/crc32.h>
 
 MODULE_AUTHOR("Jouni Malinen");
 MODULE_DESCRIPTION("Host AP crypt: TKIP");
 MODULE_LICENSE("GPL");
 
-#ifndef OPENSUSE_SLED
-#define OPENSUSE_SLED 0
-#endif
-
 struct ieee80211_tkip_data {
 #define TKIP_KEY_LEN 32
 	u8 key[TKIP_KEY_LEN];
@@ -71,17 +53,12 @@ struct ieee80211_tkip_data {
 	u32 dot11RSNAStatsTKIPLocalMICFailures;
 
 	int key_idx;
-#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)) || (OPENSUSE_SLED))
+
 	struct crypto_blkcipher *rx_tfm_arc4;
 	struct crypto_hash *rx_tfm_michael;
 	struct crypto_blkcipher *tx_tfm_arc4;
 	struct crypto_hash *tx_tfm_michael;
-#else
-	struct crypto_tfm *tx_tfm_arc4;
-	struct crypto_tfm *tx_tfm_michael;
-	struct crypto_tfm *rx_tfm_arc4;
-	struct crypto_tfm *rx_tfm_michael;
-#endif
+
 	/* scratch buffers for virt_to_page() (crypto API) */
 	u8 rx_hdr[16], tx_hdr[16];
 };
@@ -95,35 +72,7 @@ static void * ieee80211_tkip_init(int key_idx)
 		goto fail;
 	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = key_idx;
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	priv->tx_tfm_arc4 = crypto_alloc_tfm("arc4", 0);
-	if (priv->tx_tfm_arc4 == NULL) {
-		printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate "
-				"crypto API arc4\n");
-		goto fail;
-	}
-
-	priv->tx_tfm_michael = crypto_alloc_tfm("michael_mic", 0);
-	if (priv->tx_tfm_michael == NULL) {
-		printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate "
-				"crypto API michael_mic\n");
-		goto fail;
-	}
-
-	priv->rx_tfm_arc4 = crypto_alloc_tfm("arc4", 0);
-	if (priv->rx_tfm_arc4 == NULL) {
-		printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate "
-				"crypto API arc4\n");
-		goto fail;
-	}
 
-	priv->rx_tfm_michael = crypto_alloc_tfm("michael_mic", 0);
-	if (priv->rx_tfm_michael == NULL) {
-		printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate "
-				"crypto API michael_mic\n");
-		goto fail;
-	}
-#else
 	priv->tx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0,
 			CRYPTO_ALG_ASYNC);
 	if (IS_ERR(priv->tx_tfm_arc4)) {
@@ -159,22 +108,11 @@ static void * ieee80211_tkip_init(int key_idx)
 		priv->rx_tfm_michael = NULL;
 		goto fail;
 	}
-#endif
+
 	return priv;
 
 fail:
 	if (priv) {
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-		if (priv->tx_tfm_michael)
-			crypto_free_tfm(priv->tx_tfm_michael);
-		if (priv->tx_tfm_arc4)
-			crypto_free_tfm(priv->tx_tfm_arc4);
-		if (priv->rx_tfm_michael)
-			crypto_free_tfm(priv->rx_tfm_michael);
-		if (priv->rx_tfm_arc4)
-			crypto_free_tfm(priv->rx_tfm_arc4);
-
-#else
 		if (priv->tx_tfm_michael)
 			crypto_free_hash(priv->tx_tfm_michael);
 		if (priv->tx_tfm_arc4)
@@ -183,7 +121,6 @@ fail:
 			crypto_free_hash(priv->rx_tfm_michael);
 		if (priv->rx_tfm_arc4)
 			crypto_free_blkcipher(priv->rx_tfm_arc4);
-#endif
 		kfree(priv);
 	}
 
@@ -194,16 +131,7 @@ fail:
 static void ieee80211_tkip_deinit(void *priv)
 {
 	struct ieee80211_tkip_data *_priv = priv;
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	if (_priv->tx_tfm_michael)
-		crypto_free_tfm(_priv->tx_tfm_michael);
-	if (_priv->tx_tfm_arc4)
-		crypto_free_tfm(_priv->tx_tfm_arc4);
-	if (_priv->rx_tfm_michael)
-		crypto_free_tfm(_priv->rx_tfm_michael);
-	if (_priv->rx_tfm_arc4)
-		crypto_free_tfm(_priv->rx_tfm_arc4);
-#else
+
 	if (_priv) {
 		if (_priv->tx_tfm_michael)
 			crypto_free_hash(_priv->tx_tfm_michael);
@@ -214,7 +142,6 @@ static void ieee80211_tkip_deinit(void *priv)
 		if (_priv->rx_tfm_arc4)
 			crypto_free_blkcipher(_priv->rx_tfm_arc4);
 	}
-#endif
 	kfree(priv);
 }
 
@@ -384,11 +311,8 @@ static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	u8 *pos;
 	struct ieee80211_hdr_4addr *hdr;
 	cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
-
-	#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)) || (OPENSUSE_SLED))
 	struct blkcipher_desc desc = {.tfm = tkey->tx_tfm_arc4};
 	int ret = 0;
-	#endif
 	u8 rc4key[16],  *icv;
 	u32 crc;
 	struct scatterlist sg;
@@ -399,18 +323,6 @@ static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
 
 	hdr = (struct ieee80211_hdr_4addr *) skb->data;
 
-#if 0
-printk("@@ tkey\n");
-printk("%x|", ((u32*)tkey->key)[0]);
-printk("%x|", ((u32*)tkey->key)[1]);
-printk("%x|", ((u32*)tkey->key)[2]);
-printk("%x|", ((u32*)tkey->key)[3]);
-printk("%x|", ((u32*)tkey->key)[4]);
-printk("%x|", ((u32*)tkey->key)[5]);
-printk("%x|", ((u32*)tkey->key)[6]);
-printk("%x\n", ((u32*)tkey->key)[7]);
-#endif
-
 	if (!tcb_desc->bHwSec)
 	{
 		if (!tkey->tx_phase1_done) {
@@ -451,33 +363,14 @@ printk("%x\n", ((u32*)tkey->key)[7]);
 	if (!tcb_desc->bHwSec)
 	{
 		icv = skb_put(skb, 4);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 		crc = ~crc32_le(~0, pos, len);
-#else
-		crc = ~ether_crc_le(len, pos);
-#endif
 		icv[0] = crc;
 		icv[1] = crc >> 8;
 		icv[2] = crc >> 16;
 		icv[3] = crc >> 24;
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-		crypto_cipher_setkey(tkey->tx_tfm_arc4, rc4key, 16);
-		sg.page = virt_to_page(pos);
-		sg.offset = offset_in_page(pos);
-		sg.length = len + 4;
-		crypto_cipher_encrypt(tkey->tx_tfm_arc4, &sg, &sg, len + 4);
-#else
 		crypto_blkcipher_setkey(tkey->tx_tfm_arc4, rc4key, 16);
-#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
-		sg.page = virt_to_page(pos);
-		sg.offset = offset_in_page(pos);
-		sg.length = len + 4;
-#else
 		sg_init_one(&sg, pos, len+4);
-#endif
 		ret= crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4);
-#endif
-
 	}
 
 	tkey->tx_iv16++;
@@ -487,11 +380,7 @@ printk("%x\n", ((u32*)tkey->key)[7]);
 	}
 
 	if (!tcb_desc->bHwSec)
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-		return 0;
-	#else
 		return ret;
-	#endif
 	else
         	return 0;
 
@@ -506,9 +395,7 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	u16 iv16;
 	struct ieee80211_hdr_4addr *hdr;
 	cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
-	#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)) || (OPENSUSE_SLED))
 	struct blkcipher_desc desc = {.tfm = tkey->rx_tfm_arc4};
-	#endif
 	u8 rc4key[16];
 	u8 icv[4];
 	u32 crc;
@@ -567,21 +454,9 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 
 		plen = skb->len - hdr_len - 12;
 
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-		crypto_cipher_setkey(tkey->rx_tfm_arc4, rc4key, 16);
-		sg.page = virt_to_page(pos);
-		sg.offset = offset_in_page(pos);
-		sg.length = plen + 4;
-		crypto_cipher_decrypt(tkey->rx_tfm_arc4, &sg, &sg, plen + 4);
-#else
 		crypto_blkcipher_setkey(tkey->rx_tfm_arc4, rc4key, 16);
-#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
-		sg.page = virt_to_page(pos);
-		sg.offset = offset_in_page(pos);
-		sg.length = plen + 4;
-#else
 		sg_init_one(&sg, pos, plen+4);
-#endif
+
 		if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) {
 			if (net_ratelimit()) {
 				printk(KERN_DEBUG ": TKIP: failed to decrypt "
@@ -590,13 +465,8 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 			}
 			return -7;
 		}
-#endif
 
-	#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 		crc = ~crc32_le(~0, pos, plen);
-	#else
-		crc = ~ether_crc_le(plen, pos);
-	#endif
 		icv[0] = crc;
 		icv[1] = crc >> 8;
 		icv[2] = crc >> 16;
@@ -628,63 +498,9 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	skb_pull(skb, 8);
 	skb_trim(skb, skb->len - 4);
 
-//john's test
-#ifdef JOHN_DUMP
-if( ((u16*)skb->data)[0] & 0x4000){
-        printk("@@ rx decrypted skb->data");
-        int i;
-        for(i=0;i<skb->len;i++){
-                if( (i%24)==0 ) printk("\n");
-                printk("%2x ", ((u8*)skb->data)[i]);
-        }
-        printk("\n");
-}
-#endif /*JOHN_DUMP*/
 	return keyidx;
 }
 
-
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-static int michael_mic(struct crypto_tfm * tfm_michael, u8 *key, u8 *hdr,
-		       u8 *data, size_t data_len, u8 *mic)
-{
-	struct scatterlist sg[2];
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
-        struct hash_desc desc;
-        int ret = 0;
-#endif
-
-	if (tfm_michael == NULL){
-		printk(KERN_WARNING "michael_mic: tfm_michael == NULL\n");
-		return -1;
-	}
-	sg[0].page = virt_to_page(hdr);
-	sg[0].offset = offset_in_page(hdr);
-	sg[0].length = 16;
-
-	sg[1].page = virt_to_page(data);
-	sg[1].offset = offset_in_page(data);
-	sg[1].length = data_len;
-
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-	crypto_digest_init(tfm_michael);
-        crypto_digest_setkey(tfm_michael, key, 8);
-        crypto_digest_update(tfm_michael, sg, 2);
-        crypto_digest_final(tfm_michael, mic);
-        return 0;
-#else
-if (crypto_hash_setkey(tkey->tfm_michael, key, 8))
-                return -1;
-
-//      return 0;
-              desc.tfm = tkey->tfm_michael;
-              desc.flags = 0;
-              ret = crypto_hash_digest(&desc, sg, data_len + 16, mic);
-              return ret;
-#endif
-}
-#else
 static int michael_mic(struct crypto_hash *tfm_michael, u8 * key, u8 * hdr,
                        u8 * data, size_t data_len, u8 * mic)
 {
@@ -695,19 +511,10 @@ static int michael_mic(struct crypto_hash *tfm_michael, u8 * key, u8 * hdr,
                 printk(KERN_WARNING "michael_mic: tfm_michael == NULL\n");
                 return -1;
         }
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
-        sg[0].page = virt_to_page(hdr);
-        sg[0].offset = offset_in_page(hdr);
-        sg[0].length = 16;
-
-        sg[1].page = virt_to_page(data);
-        sg[1].offset = offset_in_page(data);
-        sg[1].length = data_len;
-#else
+
         sg_init_table(sg, 2);
         sg_set_buf(&sg[0], hdr, 16);
         sg_set_buf(&sg[1], data, data_len);
-#endif
 
         if (crypto_hash_setkey(tfm_michael, key, 8))
                 return -1;
@@ -716,9 +523,6 @@ static int michael_mic(struct crypto_hash *tfm_michael, u8 * key, u8 * hdr,
         desc.flags = 0;
         return crypto_hash_digest(&desc, sg, data_len + 16, mic);
 }
-#endif
-
-
 
 static void michael_mic_hdr(struct sk_buff *skb, u8 *hdr)
 {
@@ -775,20 +579,14 @@ static int ieee80211_michael_mic_add(struct sk_buff *skb, int hdr_len, void *pri
 	}
 	// }
 	pos = skb_put(skb, 8);
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	if (michael_mic(tkey->tx_tfm_michael, &tkey->key[16], tkey->tx_hdr,
-				skb->data + hdr_len, skb->len - 8 - hdr_len, pos))
-#else
+
 	if (michael_mic(tkey->tx_tfm_michael, &tkey->key[16], tkey->tx_hdr,
 				skb->data + hdr_len, skb->len - 8 - hdr_len, pos))
-#endif
 		return -1;
 
 	return 0;
 }
 
-
-#if WIRELESS_EXT >= 18
 static void ieee80211_michael_mic_failure(struct net_device *dev,
 				       struct ieee80211_hdr_4addr *hdr,
 				       int keyidx)
@@ -809,29 +607,6 @@ static void ieee80211_michael_mic_failure(struct net_device *dev,
 	wrqu.data.length = sizeof(ev);
 	wireless_send_event(dev, IWEVMICHAELMICFAILURE, &wrqu, (char *) &ev);
 }
-#elif WIRELESS_EXT >= 15
-static void ieee80211_michael_mic_failure(struct net_device *dev,
-				       struct ieee80211_hdr_4addr *hdr,
-				       int keyidx)
-{
-	union iwreq_data wrqu;
-	char buf[128];
-
-	/* TODO: needed parameters: count, keyid, key type, TSC */
-	sprintf(buf, "MLME-MICHAELMICFAILURE.indication(keyid=%d %scast addr="
-		MAC_FMT ")", keyidx, hdr->addr1[0] & 0x01 ? "broad" : "uni",
-		MAC_ARG(hdr->addr2));
-	memset(&wrqu, 0, sizeof(wrqu));
-	wrqu.data.length = strlen(buf);
-	wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf);
-}
-#else /* WIRELESS_EXT >= 15 */
-static inline void ieee80211_michael_mic_failure(struct net_device *dev,
-					      struct ieee80211_hdr_4addr *hdr,
-					      int keyidx)
-{
-}
-#endif /* WIRELESS_EXT >= 15 */
 
 static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx,
 				     int hdr_len, void *priv)
@@ -853,13 +628,8 @@ static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx,
 	}
 	// }
 
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	if (michael_mic(tkey->rx_tfm_michael, &tkey->key[24], tkey->rx_hdr,
-				skb->data + hdr_len, skb->len - 8 - hdr_len, mic))
-#else
 	if (michael_mic(tkey->rx_tfm_michael, &tkey->key[24], tkey->rx_hdr,
 				skb->data + hdr_len, skb->len - 8 - hdr_len, mic))
-#endif
             	return -1;
 	if (memcmp(mic, skb->data + skb->len - 8, 8) != 0) {
 		struct ieee80211_hdr_4addr *hdr;
@@ -889,32 +659,18 @@ static int ieee80211_tkip_set_key(void *key, int len, u8 *seq, void *priv)
 {
 	struct ieee80211_tkip_data *tkey = priv;
 	int keyidx;
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	struct crypto_tfm *tfm = tkey->tx_tfm_michael;
-	struct crypto_tfm *tfm2 = tkey->tx_tfm_arc4;
-	struct crypto_tfm *tfm3 = tkey->rx_tfm_michael;
-	struct crypto_tfm *tfm4 = tkey->rx_tfm_arc4;
-#else
 	struct crypto_hash *tfm = tkey->tx_tfm_michael;
 	struct crypto_blkcipher *tfm2 = tkey->tx_tfm_arc4;
 	struct crypto_hash *tfm3 = tkey->rx_tfm_michael;
 	struct crypto_blkcipher *tfm4 = tkey->rx_tfm_arc4;
-#endif
 
 	keyidx = tkey->key_idx;
 	memset(tkey, 0, sizeof(*tkey));
 	tkey->key_idx = keyidx;
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	tkey->tx_tfm_michael = tfm;
-	tkey->tx_tfm_arc4 = tfm2;
-	tkey->rx_tfm_michael = tfm3;
-	tkey->rx_tfm_arc4 = tfm4;
-#else
 	tkey->tx_tfm_michael = tfm;
 	tkey->tx_tfm_arc4 = tfm2;
 	tkey->rx_tfm_michael = tfm3;
 	tkey->rx_tfm_arc4 = tfm4;
-#endif
 
 	if (len == TKIP_KEY_LEN) {
 		memcpy(tkey->key, key, TKIP_KEY_LEN);
@@ -1007,14 +763,12 @@ static struct ieee80211_crypto_ops ieee80211_crypt_tkip = {
 	.owner		        = THIS_MODULE,
 };
 
-
-static int __init ieee80211_crypto_tkip_init(void)
+int __init ieee80211_crypto_tkip_init(void)
 {
 	return ieee80211_register_crypto_ops(&ieee80211_crypt_tkip);
 }
 
-
-static void __exit ieee80211_crypto_tkip_exit(void)
+void __exit ieee80211_crypto_tkip_exit(void)
 {
 	ieee80211_unregister_crypto_ops(&ieee80211_crypt_tkip);
 }
@@ -1024,11 +778,3 @@ void ieee80211_tkip_null(void)
 //    printk("============>%s()\n", __FUNCTION__);
         return;
 }
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-EXPORT_SYMBOL(ieee80211_tkip_null);
-#else
-EXPORT_SYMBOL_NOVERS(ieee80211_tkip_null);
-#endif
-
-module_init(ieee80211_crypto_tkip_init);
-module_exit(ieee80211_crypto_tkip_exit);
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c
index 7e394328ec90..39c74d1533ce 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c
@@ -20,41 +20,13 @@
 
 #include "ieee80211.h"
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,20))
-//#include "crypto_compat.h"
-#endif
-
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-#include "rtl_crypto.h"
-#else
 #include <linux/crypto.h>
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-    #include <asm/scatterlist.h>
-#else
     #include <linux/scatterlist.h>
-#endif
-//#include <asm/scatterlist.h>
 #include <linux/crc32.h>
-//
-/*
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-#include "rtl_crypto.h"
-#else
-#include <linux/crypto.h>
-#endif
 
-#include <asm/scatterlist.h>
-#include <linux/crc32.h>
-*/
 MODULE_AUTHOR("Jouni Malinen");
 MODULE_DESCRIPTION("Host AP crypt: WEP");
 MODULE_LICENSE("GPL");
-#ifndef OPENSUSE_SLED
-#define OPENSUSE_SLED 0
-#endif
 
 struct prism2_wep_data {
 	u32 iv;
@@ -62,12 +34,8 @@ struct prism2_wep_data {
 	u8 key[WEP_KEY_LEN + 1];
 	u8 key_len;
 	u8 key_idx;
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	struct crypto_tfm *tfm;
-	#else
         struct crypto_blkcipher *tx_tfm;
         struct crypto_blkcipher *rx_tfm;
-        #endif
 };
 
 
@@ -81,14 +49,6 @@ static void * prism2_wep_init(int keyidx)
 	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = keyidx;
 
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	priv->tfm = crypto_alloc_tfm("arc4", 0);
-	if (priv->tfm == NULL) {
-		printk(KERN_DEBUG "ieee80211_crypt_wep: could not allocate "
-		       "crypto API arc4\n");
-		goto fail;
-	}
-	#else
 	priv->tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC);
         if (IS_ERR(priv->tx_tfm)) {
                 printk(KERN_DEBUG "ieee80211_crypt_wep: could not allocate "
@@ -103,7 +63,6 @@ static void * prism2_wep_init(int keyidx)
                 priv->rx_tfm = NULL;
                 goto fail;
         }
-        #endif
 
 	/* start WEP IV from a random value */
 	get_random_bytes(&priv->iv, 4);
@@ -111,13 +70,6 @@ static void * prism2_wep_init(int keyidx)
 	return priv;
 
 fail:
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	if (priv) {
-		if (priv->tfm)
-			crypto_free_tfm(priv->tfm);
-		kfree(priv);
-	}
-	#else
 	if (priv) {
                 if (priv->tx_tfm)
                         crypto_free_blkcipher(priv->tx_tfm);
@@ -125,7 +77,7 @@ fail:
                         crypto_free_blkcipher(priv->rx_tfm);
                 kfree(priv);
         }
-        #endif
+
 	return NULL;
 }
 
@@ -133,17 +85,13 @@ fail:
 static void prism2_wep_deinit(void *priv)
 {
 	struct prism2_wep_data *_priv = priv;
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	if (_priv && _priv->tfm)
-		crypto_free_tfm(_priv->tfm);
-	#else
+
 	if (_priv) {
                 if (_priv->tx_tfm)
                         crypto_free_blkcipher(_priv->tx_tfm);
                 if (_priv->rx_tfm)
                         crypto_free_blkcipher(_priv->rx_tfm);
         }
-        #endif
 	kfree(priv);
 }
 
@@ -160,9 +108,7 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	u8 key[WEP_KEY_LEN + 3];
 	u8 *pos;
 	cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
-	#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)) || (OPENSUSE_SLED))
 	struct blkcipher_desc desc = {.tfm = wep->tx_tfm};
-	#endif
 	u32 crc;
 	u8 *icv;
 	struct scatterlist sg;
@@ -201,35 +147,17 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	{
 
 		/* Append little-endian CRC32 and encrypt it to produce ICV */
-	#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 		crc = ~crc32_le(~0, pos, len);
-	#else
-		crc = ~ether_crc_le(len, pos);
-	#endif
 		icv = skb_put(skb, 4);
 		icv[0] = crc;
 		icv[1] = crc >> 8;
 		icv[2] = crc >> 16;
 		icv[3] = crc >> 24;
 
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-		crypto_cipher_setkey(wep->tfm, key, klen);
-		sg.page = virt_to_page(pos);
-		sg.offset = offset_in_page(pos);
-		sg.length = len + 4;
-		crypto_cipher_encrypt(wep->tfm, &sg, &sg, len + 4);
-		return 0;
-	#else
 		crypto_blkcipher_setkey(wep->tx_tfm, key, klen);
-	#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
-		sg.page = virt_to_page(pos);
-		sg.offset = offset_in_page(pos);
-		sg.length = len + 4;
-	#else
 		sg_init_one(&sg, pos, len+4);
-	#endif
+
 		return crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4);
-	#endif
 	}
 
 	return 0;
@@ -250,9 +178,7 @@ static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	u8 key[WEP_KEY_LEN + 3];
 	u8 keyidx, *pos;
 	cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
-	#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)) || (OPENSUSE_SLED))
 	struct blkcipher_desc desc = {.tfm = wep->rx_tfm};
-	#endif
 	u32 crc;
 	u8 icv[4];
 	struct scatterlist sg;
@@ -277,29 +203,13 @@ static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 
 	if (!tcb_desc->bHwSec)
 	{
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-		crypto_cipher_setkey(wep->tfm, key, klen);
-		sg.page = virt_to_page(pos);
-		sg.offset = offset_in_page(pos);
-		sg.length = plen + 4;
-		crypto_cipher_decrypt(wep->tfm, &sg, &sg, plen + 4);
-	#else
 		crypto_blkcipher_setkey(wep->rx_tfm, key, klen);
-	#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
-		sg.page = virt_to_page(pos);
-		sg.offset = offset_in_page(pos);
-		sg.length = plen + 4;
-	#else
 		sg_init_one(&sg, pos, plen+4);
-	#endif
+
 		if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4))
 			return -7;
-	#endif
-	#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+
 		crc = ~crc32_le(~0, pos, plen);
-	#else
-		crc = ~ether_crc_le(plen, pos);
-	#endif
 		icv[0] = crc;
 		icv[1] = crc >> 8;
 		icv[2] = crc >> 16;
@@ -370,14 +280,12 @@ static struct ieee80211_crypto_ops ieee80211_crypt_wep = {
 	.owner			= THIS_MODULE,
 };
 
-
-static int __init ieee80211_crypto_wep_init(void)
+int __init ieee80211_crypto_wep_init(void)
 {
 	return ieee80211_register_crypto_ops(&ieee80211_crypt_wep);
 }
 
-
-static void __exit ieee80211_crypto_wep_exit(void)
+void __exit ieee80211_crypto_wep_exit(void)
 {
 	ieee80211_unregister_crypto_ops(&ieee80211_crypt_wep);
 }
@@ -387,11 +295,3 @@ void ieee80211_wep_null(void)
 //	printk("============>%s()\n", __FUNCTION__);
         return;
 }
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-EXPORT_SYMBOL(ieee80211_wep_null);
-#else
-EXPORT_SYMBOL_NOVERS(ieee80211_wep_null);
-#endif
-
-module_init(ieee80211_crypto_wep_init);
-module_exit(ieee80211_crypto_wep_exit);
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c
index f408b4583b82..c3383bb8b760 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c
@@ -113,13 +113,7 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
 		goto failed;
 	}
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
 	ieee = netdev_priv(dev);
-#else
-	ieee = (struct ieee80211_device *)dev->priv;
-#endif
-	dev->hard_start_xmit = ieee80211_xmit;
-
 	memset(ieee, 0, sizeof(struct ieee80211_device)+sizeof_priv);
 	ieee->dev = dev;
 
@@ -167,12 +161,7 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
 
 	ieee80211_softmac_init(ieee);
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
 	ieee->pHTInfo = (RT_HIGH_THROUGHPUT*)kzalloc(sizeof(RT_HIGH_THROUGHPUT), GFP_KERNEL);
-#else
-	ieee->pHTInfo = (RT_HIGH_THROUGHPUT*)kmalloc(sizeof(RT_HIGH_THROUGHPUT), GFP_KERNEL);
-	memset(ieee->pHTInfo,0,sizeof(RT_HIGH_THROUGHPUT));
-#endif
 	if (ieee->pHTInfo == NULL)
 	{
 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't alloc memory for HTInfo\n");
@@ -181,13 +170,7 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
 	HTUpdateDefaultSetting(ieee);
 	HTInitializeHTInfo(ieee); //may move to other place.
 	TSInitialize(ieee);
-#if 0
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
- 	INIT_WORK(&ieee->ht_onAssRsp, (void(*)(void*)) HTOnAssocRsp_wq);
-#else
-	INIT_WORK(&ieee->ht_onAssRsp, (void(*)(void*)) HTOnAssocRsp_wq, ieee);
-#endif
-#endif
+
 	for (i = 0; i < IEEE_IBSS_MAC_HASH_SIZE; i++)
 		INIT_LIST_HEAD(&ieee->ibss_mac_hash[i]);
 
@@ -206,22 +189,15 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
 
  failed:
 	if (dev)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
 		free_netdev(dev);
-#else
-		kfree(dev);
-#endif
+
 	return NULL;
 }
 
 
 void free_ieee80211(struct net_device *dev)
 {
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
 	struct ieee80211_device *ieee = netdev_priv(dev);
-#else
-	struct ieee80211_device *ieee = (struct ieee80211_device *)dev->priv;
-#endif
 	int i;
 	//struct list_head *p, *q;
 //	del_timer_sync(&ieee->SwBwTimer);
@@ -240,34 +216,15 @@ void free_ieee80211(struct net_device *dev)
 	for (i = 0; i < WEP_KEYS; i++) {
 		struct ieee80211_crypt_data *crypt = ieee->crypt[i];
 		if (crypt) {
-			if (crypt->ops) {
+			if (crypt->ops)
 				crypt->ops->deinit(crypt->priv);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
-				module_put(crypt->ops->owner);
-#else
-				__MOD_DEC_USE_COUNT(crypt->ops->owner);
-#endif
-			}
 			kfree(crypt);
 			ieee->crypt[i] = NULL;
 		}
 	}
 
 	ieee80211_networks_free(ieee);
-#if 0
-	for (i = 0; i < IEEE_IBSS_MAC_HASH_SIZE; i++) {
-		list_for_each_safe(p, q, &ieee->ibss_mac_hash[i]) {
-			kfree(list_entry(p, struct ieee_ibss_seq, list));
-			list_del(p);
-		}
-	}
-
-#endif
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
 	free_netdev(dev);
-#else
-	kfree(dev);
-#endif
 }
 
 #ifdef CONFIG_IEEE80211_DEBUG
@@ -305,7 +262,7 @@ static int store_debug_level(struct file *file, const char *buffer,
 			     unsigned long count, void *data)
 {
 	char buf[] = "0x00000000";
-	unsigned long len = min(sizeof(buf) - 1, (u32)count);
+	unsigned long len = min(sizeof(buf) - 1, count);
 	char *p = (char *)buf;
 	unsigned long val;
 
@@ -328,16 +285,13 @@ static int store_debug_level(struct file *file, const char *buffer,
 	return strnlen(buf, count);
 }
 
-static int __init ieee80211_init(void)
+int __init ieee80211_debug_init(void)
 {
 	struct proc_dir_entry *e;
 
 	ieee80211_debug_level = debug;
-#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
-	ieee80211_proc = create_proc_entry(DRV_NAME, S_IFDIR, proc_net);
-#else
+
 	ieee80211_proc = create_proc_entry(DRV_NAME, S_IFDIR, init_net.proc_net);
-#endif
 	if (ieee80211_proc == NULL) {
 		IEEE80211_ERROR("Unable to create " DRV_NAME
 				" proc directory\n");
@@ -346,11 +300,7 @@ static int __init ieee80211_init(void)
 	e = create_proc_entry("debug_level", S_IFREG | S_IRUGO | S_IWUSR,
 			      ieee80211_proc);
 	if (!e) {
-#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
-		remove_proc_entry(DRV_NAME, proc_net);
-#else
 		remove_proc_entry(DRV_NAME, init_net.proc_net);
-#endif
 		ieee80211_proc = NULL;
 		return -EIO;
 	}
@@ -361,34 +311,16 @@ static int __init ieee80211_init(void)
 	return 0;
 }
 
-static void __exit ieee80211_exit(void)
+void __exit ieee80211_debug_exit(void)
 {
 	if (ieee80211_proc) {
 		remove_proc_entry("debug_level", ieee80211_proc);
-#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
-		remove_proc_entry(DRV_NAME, proc_net);
-#else
 		remove_proc_entry(DRV_NAME, init_net.proc_net);
-#endif
 		ieee80211_proc = NULL;
 	}
 }
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 #include <linux/moduleparam.h>
 module_param(debug, int, 0444);
 MODULE_PARM_DESC(debug, "debug output mask");
-
-
-module_exit(ieee80211_exit);
-module_init(ieee80211_init);
-#endif
-#endif
-
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-EXPORT_SYMBOL(alloc_ieee80211);
-EXPORT_SYMBOL(free_ieee80211);
-#else
-EXPORT_SYMBOL_NOVERS(alloc_ieee80211);
-EXPORT_SYMBOL_NOVERS(free_ieee80211);
 #endif
diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index 6997e97fc850..15999e850b62 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -1175,18 +1175,14 @@ static int rtl8192_rx_initiate(struct net_device*dev)
                 }
 //		printk("nomal packet IN request!\n");
                 usb_fill_bulk_urb(entry, priv->udev,
-                                  usb_rcvbulkpipe(priv->udev, 3), skb->tail,
+                                  usb_rcvbulkpipe(priv->udev, 3), skb_tail_pointer(skb),
                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
                 info = (struct rtl8192_rx_info *) skb->cb;
                 info->urb = entry;
                 info->dev = dev;
 		info->out_pipe = 3; //denote rx normal packet queue
                 skb_queue_tail(&priv->rx_queue, skb);
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
                 usb_submit_urb(entry, GFP_KERNEL);
-#else
-                usb_submit_urb(entry);
-#endif
         }
 
 	/* command packet rx procedure */
@@ -1205,18 +1201,14 @@ static int rtl8192_rx_initiate(struct net_device*dev)
                         break;
                 }
                 usb_fill_bulk_urb(entry, priv->udev,
-                                  usb_rcvbulkpipe(priv->udev, 9), skb->tail,
+                                  usb_rcvbulkpipe(priv->udev, 9), skb_tail_pointer(skb),
                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
                 info = (struct rtl8192_rx_info *) skb->cb;
                 info->urb = entry;
                 info->dev = dev;
 		   info->out_pipe = 9; //denote rx cmd packet queue
                 skb_queue_tail(&priv->rx_queue, skb);
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 		usb_submit_urb(entry, GFP_KERNEL);
-#else
-		usb_submit_urb(entry);
-#endif
         }
 
         return 0;
@@ -1586,7 +1578,7 @@ static void rtl8192_rx_isr(struct urb *urb)
         }
 
 	usb_fill_bulk_urb(urb, priv->udev,
-			usb_rcvbulkpipe(priv->udev, out_pipe), skb->tail,
+			usb_rcvbulkpipe(priv->udev, out_pipe), skb_tail_pointer(skb),
 			RX_URB_SIZE, rtl8192_rx_isr, skb);
 
         info = (struct rtl8192_rx_info *) skb->cb;
@@ -1594,14 +1586,10 @@ static void rtl8192_rx_isr(struct urb *urb)
         info->dev = dev;
 	info->out_pipe = out_pipe;
 
-        urb->transfer_buffer = skb->tail;
+        urb->transfer_buffer = skb_tail_pointer(skb);
         urb->context = skb;
         skb_queue_tail(&priv->rx_queue, skb);
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
         err = usb_submit_urb(urb, GFP_ATOMIC);
-#else
-        err = usb_submit_urb(urb);
-#endif
 	if(err && err != EPERM)
 		printk("can not submit rxurb, err is %x,URB status is %x\n",err,urb->status);
 }
@@ -2953,25 +2941,21 @@ short rtl8192_usb_initendpoints(struct net_device *dev)
 
 #ifdef THOMAS_BEACON
 {
-	int align = 0;
-	u32 oldaddr,newaddr;
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
+	long align = 0;
+	void *oldaddr, *newaddr;
+
 	priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
-#else
-	priv->rx_urb[16] = usb_alloc_urb(0);
-#endif
 	priv->oldaddr = kmalloc(16, GFP_KERNEL);
-	oldaddr = (u32)priv->oldaddr;
-	align = oldaddr&3;
-	if(align != 0 ){
+	oldaddr = priv->oldaddr;
+	align = ((long)oldaddr) & 3;
+	if (align) {
 		newaddr = oldaddr + 4 - align;
-		priv->rx_urb[16]->transfer_buffer_length = 16-4+align;
-	}
-	else{
+		priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
+	} else {
 		newaddr = oldaddr;
 		priv->rx_urb[16]->transfer_buffer_length = 16;
 	}
-	priv->rx_urb[16]->transfer_buffer = (u32*)newaddr;
+	priv->rx_urb[16]->transfer_buffer = newaddr;
 }
 #endif
 
@@ -6831,6 +6815,18 @@ void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
         }
 }
 
+static const struct net_device_ops rtl8192_netdev_ops = {
+	.ndo_open               = rtl8192_open,
+	.ndo_stop               = rtl8192_close,
+	.ndo_get_stats          = rtl8192_stats,
+	.ndo_tx_timeout         = tx_timeout,
+	.ndo_do_ioctl           = rtl8192_ioctl,
+	.ndo_set_multicast_list = r8192_set_multicast,
+	.ndo_set_mac_address    = r8192_set_mac_adr,
+	.ndo_validate_addr      = eth_validate_addr,
+	.ndo_change_mtu         = eth_change_mtu,
+	.ndo_start_xmit         = ieee80211_xmit,
+};
 
 
 /****************************************************************************
@@ -6872,15 +6868,7 @@ static void * __devinit rtl8192_usb_probe(struct usb_device *udev,
 #endif
 	priv->udev=udev;
 
-	dev->open = rtl8192_open;
-	dev->stop = rtl8192_close;
-	//dev->hard_start_xmit = rtl8192_8023_hard_start_xmit;
-	dev->tx_timeout = tx_timeout;
-	//dev->wireless_handlers = &r8192_wx_handlers_def;
-	dev->do_ioctl = rtl8192_ioctl;
-	dev->set_multicast_list = r8192_set_multicast;
-	dev->set_mac_address = r8192_set_mac_adr;
-	dev->get_stats = rtl8192_stats;
+        dev->netdev_ops = &rtl8192_netdev_ops;
 
          //DMESG("Oops: i'm coming\n");
 #if WIRELESS_EXT >= 12
@@ -7000,9 +6988,55 @@ static void __devexit rtl8192_usb_disconnect(struct usb_device *udev, void *ptr)
 	RT_TRACE(COMP_DOWN, "wlan driver removed\n");
 }
 
+/* fun with the built-in ieee80211 stack... */
+extern int ieee80211_debug_init(void);
+extern void ieee80211_debug_exit(void);
+extern int ieee80211_crypto_init(void);
+extern void ieee80211_crypto_deinit(void);
+extern int ieee80211_crypto_tkip_init(void);
+extern void ieee80211_crypto_tkip_exit(void);
+extern int ieee80211_crypto_ccmp_init(void);
+extern void ieee80211_crypto_ccmp_exit(void);
+extern int ieee80211_crypto_wep_init(void);
+extern void ieee80211_crypto_wep_exit(void);
 
 static int __init rtl8192_usb_module_init(void)
 {
+        int ret;
+
+#ifdef CONFIG_IEEE80211_DEBUG
+        ret = ieee80211_debug_init();
+        if (ret) {
+                printk(KERN_ERR "ieee80211_debug_init() failed %d\n", ret);
+                return ret;
+        }
+#endif
+        ret = ieee80211_crypto_init();
+        if (ret) {
+                printk(KERN_ERR "ieee80211_crypto_init() failed %d\n", ret);
+                return ret;
+        }
+
+        ret = ieee80211_crypto_tkip_init();
+        if (ret) {
+                printk(KERN_ERR "ieee80211_crypto_tkip_init() failed %d\n",
+                        ret);
+                return ret;
+        }
+
+        ret = ieee80211_crypto_ccmp_init();
+        if (ret) {
+                printk(KERN_ERR "ieee80211_crypto_ccmp_init() failed %d\n",
+                        ret);
+                return ret;
+        }
+
+        ret = ieee80211_crypto_wep_init();
+        if (ret) {
+                printk(KERN_ERR "ieee80211_crypto_wep_init() failed %d\n", ret);
+                return ret;
+        }
+
 	printk(KERN_INFO "\nLinux kernel driver for RTL8192 based WLAN cards\n");
 	printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan\n");
 	RT_TRACE(COMP_INIT, "Initializing module");