xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Merge branch 'master' into upstream

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Conflicts:

	net/ieee80211/ieee80211_crypt_tkip.c
	net/ieee80211/ieee80211_crypt_wep.c
This commit is contained in:
Jeff Garzik
2006-09-22 20:10:23 -04:00
parent fd8ae94eea db392219c5
commit 28eb177dfa
632 changed files with 50688 additions and 17343 deletions
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35
net/ieee80211/ieee80211_crypt_wep.c
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@@ -9,6 +9,7 @@
* more details.
*/
#include <linux/err.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
@@ -32,8 +33,8 @@ struct prism2_wep_data {
u8 key[WEP_KEY_LEN + 1];
u8 key_len;
u8 key_idx;
struct crypto_tfm *tx_tfm;
struct crypto_tfm *rx_tfm;
struct crypto_blkcipher *tx_tfm;
struct crypto_blkcipher *rx_tfm;
};
static void *prism2_wep_init(int keyidx)
@@ -45,15 +46,16 @@ static void *prism2_wep_init(int keyidx)
goto fail;
priv->key_idx = keyidx;
priv->tx_tfm = crypto_alloc_tfm("arc4", 0);
if (priv->tx_tfm == NULL) {
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 "
"crypto API arc4\n");
priv->tfm = NULL;
goto fail;
}
priv->rx_tfm = crypto_alloc_tfm("arc4", 0);
if (priv->rx_tfm == NULL) {
priv->rx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC);
if (IS_ERR(priv->rx_tfm)) {
printk(KERN_DEBUG "ieee80211_crypt_wep: could not allocate "
"crypto API arc4\n");
goto fail;
@@ -66,9 +68,9 @@ static void *prism2_wep_init(int keyidx)
fail:
if (priv) {
if (priv->tx_tfm)
crypto_free_tfm(priv->tx_tfm);
crypto_free_blkcipher(priv->tx_tfm);
if (priv->rx_tfm)
crypto_free_tfm(priv->rx_tfm);
crypto_free_blkcipher(priv->rx_tfm);
kfree(priv);
}
return NULL;
@@ -79,9 +81,9 @@ static void prism2_wep_deinit(void *priv)
struct prism2_wep_data *_priv = priv;
if (_priv) {
if (_priv->tx_tfm)
crypto_free_tfm(_priv->tx_tfm);
crypto_free_blkcipher(_priv->tx_tfm);
if (_priv->rx_tfm)
crypto_free_tfm(_priv->rx_tfm);
crypto_free_blkcipher(_priv->rx_tfm);
}
kfree(priv);
}
@@ -133,6 +135,7 @@ static int prism2_wep_build_iv(struct sk_buff *skb, int hdr_len,
static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct prism2_wep_data *wep = priv;
struct blkcipher_desc desc = { .tfm = wep->tx_tfm };
u32 crc, klen, len;
u8 *pos, *icv;
struct scatterlist sg;
@@ -164,13 +167,11 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
icv[2] = crc >> 16;
icv[3] = crc >> 24;
crypto_cipher_setkey(wep->tx_tfm, key, klen);
crypto_blkcipher_setkey(wep->tx_tfm, key, klen);
sg.page = virt_to_page(pos);
sg.offset = offset_in_page(pos);
sg.length = len + 4;
crypto_cipher_encrypt(wep->tx_tfm, &sg, &sg, len + 4);
return 0;
return crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4);
}
/* Perform WEP decryption on given buffer. Buffer includes whole WEP part of
@@ -183,6 +184,7 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct prism2_wep_data *wep = priv;
struct blkcipher_desc desc = { .tfm = wep->rx_tfm };
u32 crc, klen, plen;
u8 key[WEP_KEY_LEN + 3];
u8 keyidx, *pos, icv[4];
@@ -207,11 +209,12 @@ static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
/* Apply RC4 to data and compute CRC32 over decrypted data */
plen = skb->len - hdr_len - 8;
crypto_cipher_setkey(wep->rx_tfm, key, klen);
crypto_blkcipher_setkey(wep->rx_tfm, key, klen);
sg.page = virt_to_page(pos);
sg.offset = offset_in_page(pos);
sg.length = plen + 4;
crypto_cipher_decrypt(wep->rx_tfm, &sg, &sg, plen + 4);
if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4))
return -7;
crc = ~crc32_le(~0, pos, plen);
icv[0] = crc;