diff options
author | Paul Mundt <lethal@linux-sh.org> | 2011-01-13 15:06:28 +0900 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2011-01-13 15:06:28 +0900 |
commit | f43dc23d5ea91fca257be02138a255f02d98e806 (patch) | |
tree | b29722f6e965316e90ac97abf79923ced250dc21 /crypto/tcrypt.c | |
parent | f8e53553f452dcbf67cb89c8cba63a1cd6eb4cc0 (diff) | |
parent | 4162cf64973df51fc885825bc9ca4d055891c49f (diff) |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into common/serial-rework
Conflicts:
arch/sh/kernel/cpu/sh2/setup-sh7619.c
arch/sh/kernel/cpu/sh2a/setup-mxg.c
arch/sh/kernel/cpu/sh2a/setup-sh7201.c
arch/sh/kernel/cpu/sh2a/setup-sh7203.c
arch/sh/kernel/cpu/sh2a/setup-sh7206.c
arch/sh/kernel/cpu/sh3/setup-sh7705.c
arch/sh/kernel/cpu/sh3/setup-sh770x.c
arch/sh/kernel/cpu/sh3/setup-sh7710.c
arch/sh/kernel/cpu/sh3/setup-sh7720.c
arch/sh/kernel/cpu/sh4/setup-sh4-202.c
arch/sh/kernel/cpu/sh4/setup-sh7750.c
arch/sh/kernel/cpu/sh4/setup-sh7760.c
arch/sh/kernel/cpu/sh4a/setup-sh7343.c
arch/sh/kernel/cpu/sh4a/setup-sh7366.c
arch/sh/kernel/cpu/sh4a/setup-sh7722.c
arch/sh/kernel/cpu/sh4a/setup-sh7723.c
arch/sh/kernel/cpu/sh4a/setup-sh7724.c
arch/sh/kernel/cpu/sh4a/setup-sh7763.c
arch/sh/kernel/cpu/sh4a/setup-sh7770.c
arch/sh/kernel/cpu/sh4a/setup-sh7780.c
arch/sh/kernel/cpu/sh4a/setup-sh7785.c
arch/sh/kernel/cpu/sh4a/setup-sh7786.c
arch/sh/kernel/cpu/sh4a/setup-shx3.c
arch/sh/kernel/cpu/sh5/setup-sh5.c
drivers/serial/sh-sci.c
drivers/serial/sh-sci.h
include/linux/serial_sci.h
Diffstat (limited to 'crypto/tcrypt.c')
-rw-r--r-- | crypto/tcrypt.c | 367 |
1 files changed, 359 insertions, 8 deletions
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c index d59ba5079d14..3ca68f9fc14d 100644 --- a/crypto/tcrypt.c +++ b/crypto/tcrypt.c @@ -18,8 +18,8 @@ #include <crypto/hash.h> #include <linux/err.h> #include <linux/init.h> +#include <linux/gfp.h> #include <linux/module.h> -#include <linux/slab.h> #include <linux/scatterlist.h> #include <linux/string.h> #include <linux/moduleparam.h> @@ -45,6 +45,9 @@ */ static unsigned int sec; +static char *alg = NULL; +static u32 type; +static u32 mask; static int mode; static char *tvmem[TVMEMSIZE]; @@ -391,6 +394,17 @@ out: return 0; } +static void test_hash_sg_init(struct scatterlist *sg) +{ + int i; + + sg_init_table(sg, TVMEMSIZE); + for (i = 0; i < TVMEMSIZE; i++) { + sg_set_buf(sg + i, tvmem[i], PAGE_SIZE); + memset(tvmem[i], 0xff, PAGE_SIZE); + } +} + static void test_hash_speed(const char *algo, unsigned int sec, struct hash_speed *speed) { @@ -420,12 +434,7 @@ static void test_hash_speed(const char *algo, unsigned int sec, goto out; } - sg_init_table(sg, TVMEMSIZE); - for (i = 0; i < TVMEMSIZE; i++) { - sg_set_buf(sg + i, tvmem[i], PAGE_SIZE); - memset(tvmem[i], 0xff, PAGE_SIZE); - } - + test_hash_sg_init(sg); for (i = 0; speed[i].blen != 0; i++) { if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) { printk(KERN_ERR @@ -434,6 +443,9 @@ static void test_hash_speed(const char *algo, unsigned int sec, goto out; } + if (speed[i].klen) + crypto_hash_setkey(tfm, tvmem[0], speed[i].klen); + printk(KERN_INFO "test%3u " "(%5u byte blocks,%5u bytes per update,%4u updates): ", i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen); @@ -455,6 +467,250 @@ 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) { + struct tcrypt_result *tr = req->base.data; + + ret = wait_for_completion_interruptible(&tr->completion); + if (!ret) + ret = tr->err; + INIT_COMPLETION(tr->completion); + } + return ret; +} + +static int test_ahash_jiffies_digest(struct ahash_request *req, int blen, + char *out, int sec) +{ + unsigned long start, end; + int bcount; + int ret; + + for (start = jiffies, end = start + sec * HZ, bcount = 0; + time_before(jiffies, end); bcount++) { + ret = do_one_ahash_op(req, crypto_ahash_digest(req)); + if (ret) + return ret; + } + + printk("%6u opers/sec, %9lu bytes/sec\n", + bcount / sec, ((long)bcount * blen) / sec); + + return 0; +} + +static int test_ahash_jiffies(struct ahash_request *req, int blen, + int plen, char *out, int sec) +{ + unsigned long start, end; + int bcount, pcount; + int ret; + + if (plen == blen) + return test_ahash_jiffies_digest(req, blen, out, sec); + + for (start = jiffies, end = start + sec * HZ, bcount = 0; + time_before(jiffies, end); bcount++) { + ret = crypto_ahash_init(req); + if (ret) + return ret; + for (pcount = 0; pcount < blen; pcount += plen) { + ret = do_one_ahash_op(req, crypto_ahash_update(req)); + if (ret) + return ret; + } + /* we assume there is enough space in 'out' for the result */ + ret = do_one_ahash_op(req, crypto_ahash_final(req)); + if (ret) + return ret; + } + + pr_cont("%6u opers/sec, %9lu bytes/sec\n", + bcount / sec, ((long)bcount * blen) / sec); + + return 0; +} + +static int test_ahash_cycles_digest(struct ahash_request *req, int blen, + char *out) +{ + unsigned long cycles = 0; + int ret, i; + + /* Warm-up run. */ + for (i = 0; i < 4; i++) { + ret = do_one_ahash_op(req, crypto_ahash_digest(req)); + if (ret) + goto out; + } + + /* The real thing. */ + for (i = 0; i < 8; i++) { + cycles_t start, end; + + start = get_cycles(); + + ret = do_one_ahash_op(req, crypto_ahash_digest(req)); + if (ret) + goto out; + + end = get_cycles(); + + cycles += end - start; + } + +out: + if (ret) + return ret; + + pr_cont("%6lu cycles/operation, %4lu cycles/byte\n", + cycles / 8, cycles / (8 * blen)); + + return 0; +} + +static int test_ahash_cycles(struct ahash_request *req, int blen, + int plen, char *out) +{ + unsigned long cycles = 0; + int i, pcount, ret; + + if (plen == blen) + return test_ahash_cycles_digest(req, blen, out); + + /* Warm-up run. */ + for (i = 0; i < 4; i++) { + ret = crypto_ahash_init(req); + if (ret) + goto out; + for (pcount = 0; pcount < blen; pcount += plen) { + ret = do_one_ahash_op(req, crypto_ahash_update(req)); + if (ret) + goto out; + } + ret = do_one_ahash_op(req, crypto_ahash_final(req)); + if (ret) + goto out; + } + + /* The real thing. */ + for (i = 0; i < 8; i++) { + cycles_t start, end; + + start = get_cycles(); + + ret = crypto_ahash_init(req); + if (ret) + goto out; + for (pcount = 0; pcount < blen; pcount += plen) { + ret = do_one_ahash_op(req, crypto_ahash_update(req)); + if (ret) + goto out; + } + ret = do_one_ahash_op(req, crypto_ahash_final(req)); + if (ret) + goto out; + + end = get_cycles(); + + cycles += end - start; + } + +out: + if (ret) + return ret; + + pr_cont("%6lu cycles/operation, %4lu cycles/byte\n", + cycles / 8, cycles / (8 * blen)); + + return 0; +} + +static void test_ahash_speed(const char *algo, unsigned int sec, + struct hash_speed *speed) +{ + struct scatterlist sg[TVMEMSIZE]; + struct tcrypt_result tresult; + struct ahash_request *req; + struct crypto_ahash *tfm; + static char output[1024]; + int i, ret; + + printk(KERN_INFO "\ntesting speed of async %s\n", algo); + + tfm = crypto_alloc_ahash(algo, 0, 0); + if (IS_ERR(tfm)) { + pr_err("failed to load transform for %s: %ld\n", + algo, PTR_ERR(tfm)); + return; + } + + if (crypto_ahash_digestsize(tfm) > sizeof(output)) { + pr_err("digestsize(%u) > outputbuffer(%zu)\n", + crypto_ahash_digestsize(tfm), sizeof(output)); + goto out; + } + + test_hash_sg_init(sg); + req = ahash_request_alloc(tfm, GFP_KERNEL); + if (!req) { + pr_err("ahash request allocation failure\n"); + goto out; + } + + init_completion(&tresult.completion); + ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, + tcrypt_complete, &tresult); + + for (i = 0; speed[i].blen != 0; i++) { + if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) { + pr_err("template (%u) too big for tvmem (%lu)\n", + speed[i].blen, TVMEMSIZE * PAGE_SIZE); + break; + } + + pr_info("test%3u " + "(%5u byte blocks,%5u bytes per update,%4u updates): ", + i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen); + + ahash_request_set_crypt(req, sg, output, speed[i].plen); + + if (sec) + ret = test_ahash_jiffies(req, speed[i].blen, + speed[i].plen, output, sec); + else + ret = test_ahash_cycles(req, speed[i].blen, + speed[i].plen, output); + + if (ret) { + pr_err("hashing failed ret=%d\n", ret); + break; + } + } + + ahash_request_free(req); + +out: + crypto_free_ahash(tfm); +} + static void test_available(void) { char **name = check; @@ -716,6 +972,10 @@ static int do_test(int m) ret += tcrypt_test("hmac(rmd160)"); break; + case 109: + ret += tcrypt_test("vmac(aes)"); + break; + case 150: ret += tcrypt_test("ansi_cprng"); break; @@ -874,9 +1134,87 @@ static int do_test(int m) test_hash_speed("rmd320", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; + case 318: + test_hash_speed("ghash-generic", sec, hash_speed_template_16); + if (mode > 300 && mode < 400) break; + case 399: break; + case 400: + /* fall through */ + + case 401: + test_ahash_speed("md4", sec, generic_hash_speed_template); + if (mode > 400 && mode < 500) break; + + case 402: + test_ahash_speed("md5", sec, generic_hash_speed_template); + if (mode > 400 && mode < 500) break; + + case 403: + test_ahash_speed("sha1", sec, generic_hash_speed_template); + if (mode > 400 && mode < 500) break; + + case 404: + test_ahash_speed("sha256", sec, generic_hash_speed_template); + if (mode > 400 && mode < 500) break; + + case 405: + test_ahash_speed("sha384", sec, generic_hash_speed_template); + if (mode > 400 && mode < 500) break; + + case 406: + test_ahash_speed("sha512", sec, generic_hash_speed_template); + if (mode > 400 && mode < 500) break; + + case 407: + test_ahash_speed("wp256", sec, generic_hash_speed_template); + if (mode > 400 && mode < 500) break; + + case 408: + test_ahash_speed("wp384", sec, generic_hash_speed_template); + if (mode > 400 && mode < 500) break; + + case 409: + test_ahash_speed("wp512", sec, generic_hash_speed_template); + if (mode > 400 && mode < 500) break; + + case 410: + test_ahash_speed("tgr128", sec, generic_hash_speed_template); + if (mode > 400 && mode < 500) break; + + case 411: + test_ahash_speed("tgr160", sec, generic_hash_speed_template); + if (mode > 400 && mode < 500) break; + + case 412: + test_ahash_speed("tgr192", sec, generic_hash_speed_template); + if (mode > 400 && mode < 500) break; + + case 413: + test_ahash_speed("sha224", sec, generic_hash_speed_template); + if (mode > 400 && mode < 500) break; + + case 414: + test_ahash_speed("rmd128", sec, generic_hash_speed_template); + if (mode > 400 && mode < 500) break; + + case 415: + test_ahash_speed("rmd160", sec, generic_hash_speed_template); + if (mode > 400 && mode < 500) break; + + case 416: + test_ahash_speed("rmd256", sec, generic_hash_speed_template); + if (mode > 400 && mode < 500) break; + + case 417: + test_ahash_speed("rmd320", sec, generic_hash_speed_template); + if (mode > 400 && mode < 500) break; + + case 499: + break; + case 1000: test_available(); break; @@ -885,6 +1223,12 @@ static int do_test(int m) return ret; } +static int do_alg_test(const char *alg, u32 type, u32 mask) +{ + return crypto_has_alg(alg, type, mask ?: CRYPTO_ALG_TYPE_MASK) ? + 0 : -ENOENT; +} + static int __init tcrypt_mod_init(void) { int err = -ENOMEM; @@ -896,7 +1240,11 @@ static int __init tcrypt_mod_init(void) goto err_free_tv; } - err = do_test(mode); + if (alg) + err = do_alg_test(alg, type, mask); + else + err = do_test(mode); + if (err) { printk(KERN_ERR "tcrypt: one or more tests failed!\n"); goto err_free_tv; @@ -928,6 +1276,9 @@ static void __exit tcrypt_mod_fini(void) { } module_init(tcrypt_mod_init); module_exit(tcrypt_mod_fini); +module_param(alg, charp, 0); +module_param(type, uint, 0); +module_param(mask, uint, 0); module_param(mode, int, 0); module_param(sec, uint, 0); MODULE_PARM_DESC(sec, "Length in seconds of speed tests " |