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mac80211: refresh patches

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Signed-off-by: Mathias Kresin <dev@kresin.me>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
master
Mathias Kresin 8 years ago committed by Felix Fietkau
parent 76d09dcb01
commit cbfeb7796e
3 changed files with 57 additions and 51 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 90
      package/kernel/mac80211/patches/100-remove-cryptoapi-dependencies.patch
  2. 12
      package/kernel/mac80211/patches/530-ath9k_extra_leds.patch
  3. 6
      package/kernel/mac80211/patches/910-01-add-support-for-mt7620.patch

90
package/kernel/mac80211/patches/100-remove-cryptoapi-dependencies.patch
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@ -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);
+
- 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)
{
- struct scatterlist sg[3];
+ 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;
- 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;
+
+ 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;

12
package/kernel/mac80211/patches/530-ath9k_extra_leds.patch
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@ -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);

6
package/kernel/mac80211/patches/910-01-add-support-for-mt7620.patch
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@ -91,8 +91,7 @@
+ rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM_MT7620, word);
+ rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE_MT7620, 1);
+ rt2x00_set_field32(&reg, 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(&reg, RF_CSR_CFG_REGNUM, word);
+ rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
+ rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
+
- rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
+ rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
+ }
+ break;

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