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path: root/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_wep.c
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Diffstat (limited to 'drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_wep.c')
-rw-r--r--drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_wep.c96
1 files changed, 1 insertions, 95 deletions
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_wep.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_wep.c
index c4bbc8ddbad1..5dc976498aae 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_wep.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_wep.c
@@ -21,30 +21,11 @@
#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>
+#include <linux/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");
@@ -58,12 +39,8 @@ 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
};
@@ -76,14 +53,6 @@ static void * prism2_wep_init(int keyidx)
goto fail;
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 "
@@ -98,7 +67,6 @@ 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);
@@ -106,13 +74,6 @@ 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);
@@ -120,7 +81,6 @@ fail:
crypto_free_blkcipher(priv->rx_tfm);
kfree(priv);
}
- #endif
return NULL;
}
@@ -128,17 +88,12 @@ 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);
}
@@ -155,9 +110,7 @@ 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;
@@ -196,35 +149,16 @@ 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;
@@ -245,9 +179,7 @@ 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;
@@ -272,29 +204,11 @@ 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;
@@ -379,14 +293,6 @@ void __exit ieee80211_crypto_wep_exit(void)
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);
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