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author | Kalle Valo <kvalo@codeaurora.org> | 2015-11-18 08:57:18 +0100 |
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committer | Kalle Valo <kvalo@codeaurora.org> | 2015-11-18 13:28:31 +0100 |
commit | 2be45b66dee080326d0f240aa4f18ef932cc3deb (patch) | |
tree | 2892a95ff9ae89065f3d554c8b72e704bdeec679 /drivers/net/wireless/orinoco/mic.c | |
parent | p54: move under intersil vendor directory (diff) | |
download | linux-2be45b66dee080326d0f240aa4f18ef932cc3deb.tar.xz linux-2be45b66dee080326d0f240aa4f18ef932cc3deb.zip |
orinoco: move under intersil vendor directory
Part of reorganising wireless drivers directory and Kconfig.
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/orinoco/mic.c')
-rw-r--r-- | drivers/net/wireless/orinoco/mic.c | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/drivers/net/wireless/orinoco/mic.c b/drivers/net/wireless/orinoco/mic.c deleted file mode 100644 index fce4a843e656..000000000000 --- a/drivers/net/wireless/orinoco/mic.c +++ /dev/null @@ -1,79 +0,0 @@ -/* Orinoco MIC helpers - * - * See copyright notice in main.c - */ -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/if_ether.h> -#include <linux/scatterlist.h> -#include <linux/crypto.h> - -#include "orinoco.h" -#include "mic.h" - -/********************************************************************/ -/* Michael MIC crypto setup */ -/********************************************************************/ -int orinoco_mic_init(struct orinoco_private *priv) -{ - priv->tx_tfm_mic = crypto_alloc_hash("michael_mic", 0, 0); - if (IS_ERR(priv->tx_tfm_mic)) { - printk(KERN_DEBUG "orinoco_mic_init: could not allocate " - "crypto API michael_mic\n"); - priv->tx_tfm_mic = NULL; - return -ENOMEM; - } - - priv->rx_tfm_mic = crypto_alloc_hash("michael_mic", 0, 0); - if (IS_ERR(priv->rx_tfm_mic)) { - printk(KERN_DEBUG "orinoco_mic_init: could not allocate " - "crypto API michael_mic\n"); - priv->rx_tfm_mic = NULL; - return -ENOMEM; - } - - return 0; -} - -void orinoco_mic_free(struct orinoco_private *priv) -{ - if (priv->tx_tfm_mic) - crypto_free_hash(priv->tx_tfm_mic); - if (priv->rx_tfm_mic) - crypto_free_hash(priv->rx_tfm_mic); -} - -int orinoco_mic(struct crypto_hash *tfm_michael, u8 *key, - u8 *da, u8 *sa, u8 priority, - u8 *data, size_t data_len, u8 *mic) -{ - struct hash_desc desc; - struct scatterlist sg[2]; - u8 hdr[ETH_HLEN + 2]; /* size of header + padding */ - - if (tfm_michael == NULL) { - printk(KERN_WARNING "orinoco_mic: tfm_michael == NULL\n"); - return -1; - } - - /* Copy header into buffer. We need the padding on the end zeroed */ - memcpy(&hdr[0], da, ETH_ALEN); - memcpy(&hdr[ETH_ALEN], sa, ETH_ALEN); - hdr[ETH_ALEN * 2] = priority; - hdr[ETH_ALEN * 2 + 1] = 0; - hdr[ETH_ALEN * 2 + 2] = 0; - hdr[ETH_ALEN * 2 + 3] = 0; - - /* Use scatter gather to MIC header and data in one go */ - sg_init_table(sg, 2); - sg_set_buf(&sg[0], hdr, sizeof(hdr)); - sg_set_buf(&sg[1], data, data_len); - - if (crypto_hash_setkey(tfm_michael, key, MIC_KEYLEN)) - return -1; - - desc.tfm = tfm_michael; - desc.flags = 0; - return crypto_hash_digest(&desc, sg, data_len + sizeof(hdr), - mic); -} |