The existing mode 200 performs ecb(aes), cbc(aes), ctr(aes), ecb(des), cbc(des)
ecb(des3_ede), cbc(des3_ede) for synchronous block cihper. For crypto hardware
drivers ablkcipher's are used and hence add new mode 500 and its variants to
perform the tests in asynchronous block cipher.
Signed-off-by: Arun Murthy <arun.murthy@xxxxxxxxxxxxxx>
Signed-off-by: Berne Hebark <berne.hebark@xxxxxxxxxxxxxx>
Acked-by: Srinidhi Kasagar <srinidhi.kasagar@xxxxxxxxxxxxxx>
Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
crypto/tcrypt.c | 265 +++++++++++++++++++++++++++++++++++++++++++++++++++----
1 files changed, 249 insertions(+), 16 deletions(-)
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index 2222617..75f0747 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -67,6 +67,87 @@ static char *check[] = {
"lzo", "cts", "zlib", NULL
};
+struct tcrypt_result {
+ struct completion completion;
+ int err;
+};
+
+static int test_ablkcipher_jiffies(struct ablkcipher_request *req, int enc,
+ int blen, int sec)
+{
+ unsigned long start, end;
+ int bcount;
+ int ret;
+
+ for (start = jiffies, end = start + sec * HZ, bcount = 0;
+ time_before(jiffies, end); bcount++) {
+ if (enc)
+ ret = crypto_ablkcipher_encrypt(req);
+ else
+ ret = crypto_ablkcipher_decrypt(req);
+
+ if (ret) {
+ printk("\n [test_cipher_jiffies] "
+ "crypto_ablkcipher_encrypt/decrypt: enc: %d, "
+ "ret = %x \n", enc, ret);
+ return ret;
+ }
+ }
+
+ printk("%d operations in %d seconds (%ld bytes)\n",
+ bcount, sec, (long)bcount * blen);
+ return 0;
+}
+
+static int test_ablkcipher_cycles(struct ablkcipher_request *req,
+ int enc, int blen)
+{
+ unsigned long cycles = 0;
+ int ret = 0;
+ int i;
+
+ local_bh_disable();
+ local_irq_disable();
+
+ /* Warm-up run. */
+ for (i = 0; i < 4; i++) {
+ if (enc)
+ ret = crypto_ablkcipher_encrypt(req);
+ else
+ ret = crypto_ablkcipher_decrypt(req);
+
+ if (ret)
+ goto out;
+ }
+
+ /* The real thing. */
+ for (i = 0; i < 8; i++) {
+ cycles_t start, end;
+
+ start = get_cycles();
+ if (enc)
+ ret = crypto_ablkcipher_encrypt(req);
+ else
+ ret = crypto_ablkcipher_decrypt(req);
+ end = get_cycles();
+
+ if (ret)
+ goto out;
+
+ cycles += end - start;
+ }
+
+out:
+ local_irq_enable();
+ local_bh_enable();
+
+ if (ret == 0)
+ printk("1 operation in %lu cycles (%d bytes)\n",
+ (cycles + 4) / 8, blen);
+
+ return ret;
+}
+
static int test_cipher_jiffies(struct blkcipher_desc *desc, int enc,
struct scatterlist *sg, int blen, int sec)
{
@@ -139,8 +220,130 @@ out:
return ret;
}
+static u32 ablock_sizes[] = { 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 24576, 0 };
static u32 block_sizes[] = { 16, 64, 256, 1024, 8192, 0 };
+static void tcrypt_complete(struct crypto_async_request *req, int err)
+{
+ struct tcrypt_result *res = req->data;
+
+ if (err == -EINPROGRESS)
+ return;
+
+ res->err = err;
+ complete(&res->completion);
+}
+
+static void test_ablkcipher_speed(const char *algo, int enc, unsigned int sec,
+ struct cipher_speed_template *template,
+ unsigned int tcount, u8 *keysize)
+{
+ unsigned int ret, i, j, iv_len;
+ const char *key;
+ char iv[128];
+ const char *e;
+ u32 *b_size;
+ struct tcrypt_result result;
+ struct crypto_ablkcipher *tfm;
+ struct ablkcipher_request *req;
+
+ if (enc == ENCRYPT)
+ e = "encryption";
+ else
+ e = "decryption";
+
+ printk("\ntesting speed of %s %s\n", algo, e);
+ init_completion(&result.completion);
+
+ tfm = crypto_alloc_ablkcipher(algo, 0, 0);
+ if (IS_ERR(tfm)) {
+ printk("failed to load transform for %s: %ld\n", algo,
+ PTR_ERR(tfm));
+ return;
+ }
+ req = ablkcipher_request_alloc(tfm, GFP_KERNEL);
+ if (!req) {
+ printk(KERN_ERR "alg: cipher_speed: Failed to allocate request "
+ "for %s\n", algo);
+ return;
+ }
+
+ ablkcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
+ tcrypt_complete, &result);
+
+ i = 0;
+ do {
+
+ b_size = ablock_sizes;
+ do {
+ struct scatterlist sg[TVMEMSIZE];
+
+ if ((*keysize + *b_size) > TVMEMSIZE * PAGE_SIZE) {
+ printk("template (%u) too big for "
+ "tvmem (%lu)\n", *keysize + *b_size,
+ TVMEMSIZE * PAGE_SIZE);
+ goto out;
+ }
+
+ printk("test %u (%d bit key, %d byte blocks): ", i,
+ *keysize * 8, *b_size);
+
+ memset(tvmem[0], 0xff, PAGE_SIZE);
+
+ /* set key, plain text and IV */
+ key = tvmem[0];
+ for (j = 0; j < tcount; j++) {
+ if (template[j].klen == *keysize) {
+ key = template[j].key;
+ break;
+ }
+ }
+ ret = crypto_ablkcipher_setkey(tfm, key, *keysize);
+ if (ret) {
+ printk("setkey() failed flags=%x\n",
+ crypto_ablkcipher_get_flags(tfm));
+ goto out;
+ }
+
+ sg_init_table(sg, TVMEMSIZE);
+ sg_set_buf(sg, tvmem[0] + *keysize,
+ (PAGE_SIZE - *keysize) -
+ ((PAGE_SIZE - *keysize)) % 16);
+ for (j = 1; j < TVMEMSIZE; j++) {
+ sg_set_buf(sg + j, tvmem[j], PAGE_SIZE);
+ memset (tvmem[j], 0xff, PAGE_SIZE);
+ }
+
+ iv_len = crypto_ablkcipher_ivsize(tfm);
+ if (iv_len) {
+ memset(&iv, 0xff, iv_len);
+ }
+ ablkcipher_request_set_crypt(req, sg, sg,
+ *b_size, iv);
+
+ if (sec)
+ ret = test_ablkcipher_jiffies(req, enc,
+ *b_size, sec);
+ else
+ ret = test_ablkcipher_cycles(req, enc,
+ *b_size);
+
+ if (ret) {
+ printk("%s() failed flags=%x\n", e,
+ crypto_ablkcipher_get_flags(tfm));
+ break;
+ }
+ b_size++;
+ i++;
+ } while (*b_size);
+ keysize++;
+ } while (*keysize);
+
+out:
+ ablkcipher_request_free(req);
+ crypto_free_ablkcipher(tfm);
+}
+
static void test_cipher_speed(const char *algo, int enc, unsigned int sec,
struct cipher_speed_template *template,
unsigned int tcount, u8 *keysize)
@@ -475,22 +678,6 @@ out:
crypto_free_hash(tfm);
}
-struct tcrypt_result {
- struct completion completion;
- int err;
-};
-
-static void tcrypt_complete(struct crypto_async_request *req, int err)
-{
- struct tcrypt_result *res = req->data;
-
- if (err == -EINPROGRESS)
- return;
-
- res->err = err;
- complete(&res->completion);
-}
-
static inline int do_one_ahash_op(struct ahash_request *req, int ret)
{
if (ret == -EINPROGRESS || ret == -EBUSY) {
@@ -1230,7 +1417,53 @@ static int do_test(int m)
case 499:
break;
+ case 500:
+ test_ablkcipher_speed("ecb(aes)", ENCRYPT, sec, NULL, 0,
+ speed_template_16_24_32);
+ test_ablkcipher_speed("ecb(aes)", DECRYPT, sec, NULL, 0,
+ speed_template_16_24_32);
+ test_ablkcipher_speed("cbc(aes)", ENCRYPT, sec, NULL, 0,
+ speed_template_16_24_32);
+ test_ablkcipher_speed("cbc(aes)", DECRYPT, sec, NULL, 0,
+ speed_template_16_24_32);
+ test_ablkcipher_speed("lrw(aes)", ENCRYPT, sec, NULL, 0,
+ speed_template_32_40_48);
+ test_ablkcipher_speed("lrw(aes)", DECRYPT, sec, NULL, 0,
+ speed_template_32_40_48);
+ test_ablkcipher_speed("xts(aes)", ENCRYPT, sec, NULL, 0,
+ speed_template_32_48_64);
+ test_ablkcipher_speed("xts(aes)", DECRYPT, sec, NULL, 0,
+ speed_template_32_48_64);
+ test_ablkcipher_speed("ctr(aes)", ENCRYPT, sec, NULL, 0,
+ speed_template_16_24_32);
+ test_ablkcipher_speed("ctr(aes)", DECRYPT, sec, NULL, 0,
+ speed_template_16_24_32);
+ break;
+ case 501:
+ test_ablkcipher_speed("ecb(des3_ede)", ENCRYPT, sec,
+ des3_speed_template, DES3_SPEED_VECTORS,
+ speed_template_24);
+ test_ablkcipher_speed("ecb(des3_ede)", DECRYPT, sec,
+ des3_speed_template, DES3_SPEED_VECTORS,
+ speed_template_24);
+ test_ablkcipher_speed("cbc(des3_ede)", ENCRYPT, sec,
+ des3_speed_template, DES3_SPEED_VECTORS,
+ speed_template_24);
+ test_ablkcipher_speed("cbc(des3_ede)", DECRYPT, sec,
+ des3_speed_template, DES3_SPEED_VECTORS,
+ speed_template_24);
+ break;
+ case 504:
+ test_ablkcipher_speed("ecb(des)", ENCRYPT, sec, NULL, 0,
+ speed_template_8);
+ test_ablkcipher_speed("ecb(des)", DECRYPT, sec, NULL, 0,
+ speed_template_8);
+ test_ablkcipher_speed("cbc(des)", ENCRYPT, sec, NULL, 0,
+ speed_template_8);
+ test_ablkcipher_speed("cbc(des)", DECRYPT, sec, NULL, 0,
+ speed_template_8);
+ break;
case 1000:
test_available();
break;
--
1.7.4.3
--
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