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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-22 19:54:53 (GMT) |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-22 20:01:40 (GMT) |
commit | ae19ffbadc1b2100285a5b5b3d0a4e0a11390904 (patch) | |
tree | 3c2086ab67398a019089a47ca3f362a4bc6db74f /drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_wep.c | |
parent | 34e84f39a27d059a3e6ec6e8b94aafa702e6f220 (diff) | |
parent | 9173a8ef24a6b1b8031507b35b8ffe5f85a87692 (diff) | |
download | linux-fsl-qoriq-ae19ffbadc1b2100285a5b5b3d0a4e0a11390904.tar.xz |
Merge branch 'master' into for-linus
Diffstat (limited to 'drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_wep.c')
-rw-r--r-- | drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_wep.c | 126 |
1 files changed, 13 insertions, 113 deletions
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_wep.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_wep.c index 7e39432..64f9cf0 100644 --- a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_wep.c +++ b/drivers/staging/rtl8192su/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/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 + struct crypto_blkcipher *tx_tfm; + struct crypto_blkcipher *rx_tfm; }; @@ -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 + struct blkcipher_desc desc = { .tfm = wep->tx_tfm }; 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 + struct blkcipher_desc desc = { .tfm = wep->rx_tfm }; 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 + sg_init_one(&sg, pos, plen + 4); + 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); |