mac80211: refresh patches
Signed-off-by: Mathias Kresin <dev@kresin.me> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
This commit is contained in:
Mathias Kresin
Felix Fietkau
parent
76d09dcb01
commit
cbfeb7796e
3 changed files with 65 additions and 59 deletions
|
|
@ -34,9 +34,12 @@
|
|||
#include "aes_ccm.h"
|
||||
|
||||
-void ieee80211_aes_ccm_encrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad,
|
||||
- u8 *data, size_t data_len, u8 *mic,
|
||||
- size_t mic_len)
|
||||
+static void aes_ccm_prepare(struct crypto_cipher *tfm, u8 *b_0, u8 *aad, u8 *s_0,
|
||||
+ u8 *a, u8 *b)
|
||||
+{
|
||||
{
|
||||
- struct scatterlist sg[3];
|
||||
+ int i;
|
||||
+
|
||||
+ crypto_cipher_encrypt_one(tfm, b, b_0);
|
||||
|
|
@ -51,56 +54,55 @@
|
|||
+ for (i = 0; i < AES_BLOCK_SIZE; i++)
|
||||
+ aad[i] ^= b[i];
|
||||
+ crypto_cipher_encrypt_one(tfm, a, aad);
|
||||
+
|
||||
+ /* Mask out bits from auth-only-b_0 */
|
||||
+ b_0[0] &= 0x07;
|
||||
+
|
||||
+ /* S_0 is used to encrypt T (= MIC) */
|
||||
+ b_0[14] = 0;
|
||||
+ b_0[15] = 0;
|
||||
+ crypto_cipher_encrypt_one(tfm, s_0, b_0);
|
||||
+}
|
||||
+
|
||||
+
|
||||
+void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *b_0, u8 *aad,
|
||||
u8 *data, size_t data_len, u8 *mic,
|
||||
size_t mic_len)
|
||||
{
|
||||
- struct scatterlist sg[3];
|
||||
+ int i, j, last_len, num_blocks;
|
||||
+ u8 b[AES_BLOCK_SIZE];
|
||||
+ u8 s_0[AES_BLOCK_SIZE];
|
||||
+ u8 e[AES_BLOCK_SIZE];
|
||||
+ u8 *pos, *cpos;
|
||||
|
||||
- char aead_req_data[sizeof(struct aead_request) +
|
||||
- crypto_aead_reqsize(tfm)]
|
||||
- __aligned(__alignof__(struct aead_request));
|
||||
- struct aead_request *aead_req = (void *) aead_req_data;
|
||||
+ /* Mask out bits from auth-only-b_0 */
|
||||
+ b_0[0] &= 0x07;
|
||||
|
||||
- memset(aead_req, 0, sizeof(aead_req_data));
|
||||
+ /* S_0 is used to encrypt T (= MIC) */
|
||||
+ b_0[14] = 0;
|
||||
+ b_0[15] = 0;
|
||||
+ crypto_cipher_encrypt_one(tfm, s_0, b_0);
|
||||
+}
|
||||
|
||||
- sg_init_table(sg, 3);
|
||||
- sg_set_buf(&sg[0], &aad[2], be16_to_cpup((__be16 *)aad));
|
||||
- sg_set_buf(&sg[1], data, data_len);
|
||||
- sg_set_buf(&sg[2], mic, mic_len);
|
||||
|
||||
- aead_request_set_tfm(aead_req, tfm);
|
||||
- aead_request_set_crypt(aead_req, sg, sg, data_len, b_0);
|
||||
- aead_request_set_ad(aead_req, sg[0].length);
|
||||
+void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *b_0, u8 *aad,
|
||||
+ u8 *data, size_t data_len, u8 *mic,
|
||||
+ size_t mic_len)
|
||||
+{
|
||||
+ int i, j, last_len, num_blocks;
|
||||
+ u8 b[AES_BLOCK_SIZE];
|
||||
+ u8 s_0[AES_BLOCK_SIZE];
|
||||
+ u8 e[AES_BLOCK_SIZE];
|
||||
+ u8 *pos, *cpos;
|
||||
+
|
||||
+ num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_SIZE);
|
||||
+ last_len = data_len % AES_BLOCK_SIZE;
|
||||
+ aes_ccm_prepare(tfm, b_0, aad, s_0, b, b);
|
||||
|
||||
- memset(aead_req, 0, sizeof(aead_req_data));
|
||||
+
|
||||
+ /* Process payload blocks */
|
||||
+ pos = data;
|
||||
+ cpos = data;
|
||||
+ for (j = 1; j <= num_blocks; j++) {
|
||||
+ int blen = (j == num_blocks && last_len) ?
|
||||
+ last_len : AES_BLOCK_SIZE;
|
||||
|
||||
- sg_init_table(sg, 3);
|
||||
- sg_set_buf(&sg[0], &aad[2], be16_to_cpup((__be16 *)aad));
|
||||
- sg_set_buf(&sg[1], data, data_len);
|
||||
- sg_set_buf(&sg[2], mic, mic_len);
|
||||
+
|
||||
+ /* Authentication followed by encryption */
|
||||
+ for (i = 0; i < blen; i++)
|
||||
+ b[i] ^= pos[i];
|
||||
+ crypto_cipher_encrypt_one(tfm, b, b);
|
||||
|
||||
- aead_request_set_tfm(aead_req, tfm);
|
||||
- aead_request_set_crypt(aead_req, sg, sg, data_len, b_0);
|
||||
- aead_request_set_ad(aead_req, sg[0].length);
|
||||
+
|
||||
+ b_0[14] = (j >> 8) & 0xff;
|
||||
+ b_0[15] = j & 0xff;
|
||||
+ crypto_cipher_encrypt_one(tfm, e, b_0);
|
||||
|
|
@ -123,30 +125,37 @@
|
|||
- crypto_aead_reqsize(tfm)]
|
||||
- __aligned(__alignof__(struct aead_request));
|
||||
- struct aead_request *aead_req = (void *) aead_req_data;
|
||||
-
|
||||
- if (data_len == 0)
|
||||
- return -EINVAL;
|
||||
-
|
||||
- memset(aead_req, 0, sizeof(aead_req_data));
|
||||
-
|
||||
- sg_init_table(sg, 3);
|
||||
- sg_set_buf(&sg[0], &aad[2], be16_to_cpup((__be16 *)aad));
|
||||
- sg_set_buf(&sg[1], data, data_len);
|
||||
- sg_set_buf(&sg[2], mic, mic_len);
|
||||
-
|
||||
- aead_request_set_tfm(aead_req, tfm);
|
||||
- aead_request_set_crypt(aead_req, sg, sg, data_len + mic_len, b_0);
|
||||
- aead_request_set_ad(aead_req, sg[0].length);
|
||||
+ int i, j, last_len, num_blocks;
|
||||
+ u8 *pos, *cpos;
|
||||
+ u8 a[AES_BLOCK_SIZE];
|
||||
+ u8 b[AES_BLOCK_SIZE];
|
||||
+ u8 s_0[AES_BLOCK_SIZE];
|
||||
|
||||
- if (data_len == 0)
|
||||
- return -EINVAL;
|
||||
+
|
||||
+ num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_SIZE);
|
||||
+ last_len = data_len % AES_BLOCK_SIZE;
|
||||
+ aes_ccm_prepare(tfm, b_0, aad, s_0, a, b);
|
||||
|
||||
- memset(aead_req, 0, sizeof(aead_req_data));
|
||||
+
|
||||
+ /* Process payload blocks */
|
||||
+ cpos = data;
|
||||
+ pos = data;
|
||||
+ for (j = 1; j <= num_blocks; j++) {
|
||||
+ int blen = (j == num_blocks && last_len) ?
|
||||
+ last_len : AES_BLOCK_SIZE;
|
||||
|
||||
- sg_init_table(sg, 3);
|
||||
- sg_set_buf(&sg[0], &aad[2], be16_to_cpup((__be16 *)aad));
|
||||
- sg_set_buf(&sg[1], data, data_len);
|
||||
- sg_set_buf(&sg[2], mic, mic_len);
|
||||
+
|
||||
+ /* Decryption followed by authentication */
|
||||
+ b_0[14] = (j >> 8) & 0xff;
|
||||
+ b_0[15] = j & 0xff;
|
||||
|
|
@ -157,10 +166,7 @@
|
|||
+ }
|
||||
+ crypto_cipher_encrypt_one(tfm, a, a);
|
||||
+ }
|
||||
|
||||
- aead_request_set_tfm(aead_req, tfm);
|
||||
- aead_request_set_crypt(aead_req, sg, sg, data_len + mic_len, b_0);
|
||||
- aead_request_set_ad(aead_req, sg[0].length);
|
||||
+
|
||||
+ for (i = 0; i < mic_len; i++) {
|
||||
+ if ((mic[i] ^ s_0[i]) != a[i])
|
||||
+ return -1;
|
||||
|
|
@ -179,12 +185,12 @@
|
|||
{
|
||||
- struct crypto_aead *tfm;
|
||||
- int err;
|
||||
-
|
||||
+ struct crypto_cipher *tfm;
|
||||
|
||||
- tfm = crypto_alloc_aead("ccm(aes)", 0, CRYPTO_ALG_ASYNC);
|
||||
- if (IS_ERR(tfm))
|
||||
- return tfm;
|
||||
+ struct crypto_cipher *tfm;
|
||||
|
||||
-
|
||||
- err = crypto_aead_setkey(tfm, key, key_len);
|
||||
- if (err)
|
||||
- goto free_aead;
|
||||
|
|
|
|||
|
|
@ -112,8 +112,7 @@
|
|||
+ GFP_KERNEL);
|
||||
+ if (!led)
|
||||
+ return -ENOMEM;
|
||||
|
||||
- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, val);
|
||||
+
|
||||
+ led->gpio = gpio = (struct gpio_led *) (led + 1);
|
||||
+ _name = (char *) (led->gpio + 1);
|
||||
+
|
||||
|
|
@ -126,7 +125,8 @@
|
|||
+ ret = ath_add_led(sc, led);
|
||||
+ if (unlikely(ret < 0))
|
||||
+ kfree(led);
|
||||
+
|
||||
|
||||
- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, val);
|
||||
+ return ret;
|
||||
}
|
||||
|
||||
|
|
@ -134,11 +134,11 @@
|
|||
{
|
||||
- if (!sc->led_registered)
|
||||
- return;
|
||||
-
|
||||
- ath_led_brightness(&sc->led_cdev, LED_OFF);
|
||||
- led_classdev_unregister(&sc->led_cdev);
|
||||
+ struct ath_led *led;
|
||||
|
||||
- ath_led_brightness(&sc->led_cdev, LED_OFF);
|
||||
- led_classdev_unregister(&sc->led_cdev);
|
||||
-
|
||||
- ath9k_hw_gpio_free(sc->sc_ah, sc->sc_ah->led_pin);
|
||||
+ while (!list_empty(&sc->leds)) {
|
||||
+ led = list_first_entry(&sc->leds, struct ath_led, list);
|
||||
|
|
|
|||
|
|
@ -91,8 +91,7 @@
|
|||
+ rt2x00_set_field32(®, RF_CSR_CFG_REGNUM_MT7620, word);
|
||||
+ rt2x00_set_field32(®, RF_CSR_CFG_WRITE_MT7620, 1);
|
||||
+ rt2x00_set_field32(®, RF_CSR_CFG_BUSY_MT7620, 1);
|
||||
|
||||
- rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
|
||||
+
|
||||
+ rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
|
||||
+ }
|
||||
+ break;
|
||||
|
|
@ -104,7 +103,8 @@
|
|||
+ rt2x00_set_field32(®, RF_CSR_CFG_REGNUM, word);
|
||||
+ rt2x00_set_field32(®, RF_CSR_CFG_WRITE, 1);
|
||||
+ rt2x00_set_field32(®, RF_CSR_CFG_BUSY, 1);
|
||||
+
|
||||
|
||||
- rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
|
||||
+ rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
|
||||
+ }
|
||||
+ break;
|
||||
|
|
|
|||
Loading…
Reference in a new issue