crypto: remove CONFIG_CRYPTO_STATS

[linux-2.6-microblaze.git] / include / crypto / rng.h

diff --git a/include/crypto/rng.h b/include/crypto/rng.h
index 6abe510..5ac4388 100644 (file)
--- a/include/crypto/rng.h
+++ b/include/crypto/rng.h
@@ -15,20 +15,6 @@
 
 struct crypto_rng;
 
-/*
- * struct crypto_istat_rng: statistics for RNG algorithm
- * @generate_cnt:      number of RNG generate requests
- * @generate_tlen:     total data size of generated data by the RNG
- * @seed_cnt:          number of times the RNG was seeded
- * @err_cnt:           number of error for RNG requests
- */
-struct crypto_istat_rng {
-       atomic64_t generate_cnt;
-       atomic64_t generate_tlen;
-       atomic64_t seed_cnt;
-       atomic64_t err_cnt;
-};
-
 /**
  * struct rng_alg - random number generator definition
  *
@@ -46,7 +32,6 @@ struct crypto_istat_rng {
  *             size of the seed is defined with @seedsize .
  * @set_ent:   Set entropy that would otherwise be obtained from
  *             entropy source.  Internal use only.
- * @stat:      Statistics for rng algorithm
  * @seedsize:  The seed size required for a random number generator
  *             initialization defined with this variable. Some
  *             random number generators does not require a seed
@@ -63,10 +48,6 @@ struct rng_alg {
        void (*set_ent)(struct crypto_rng *tfm, const u8 *data,
                        unsigned int len);
 
-#ifdef CONFIG_CRYPTO_STATS
-       struct crypto_istat_rng stat;
-#endif
-
        unsigned int seedsize;
 
        struct crypto_alg base;
@@ -144,26 +125,6 @@ static inline void crypto_free_rng(struct crypto_rng *tfm)
        crypto_destroy_tfm(tfm, crypto_rng_tfm(tfm));
 }
 
-static inline struct crypto_istat_rng *rng_get_stat(struct rng_alg *alg)
-{
-#ifdef CONFIG_CRYPTO_STATS
-       return &alg->stat;
-#else
-       return NULL;
-#endif
-}
-
-static inline int crypto_rng_errstat(struct rng_alg *alg, int err)
-{
-       if (!IS_ENABLED(CONFIG_CRYPTO_STATS))
-               return err;
-
-       if (err && err != -EINPROGRESS && err != -EBUSY)
-               atomic64_inc(&rng_get_stat(alg)->err_cnt);
-
-       return err;
-}
-
 /**
  * crypto_rng_generate() - get random number
  * @tfm: cipher handle
@@ -182,17 +143,7 @@ static inline int crypto_rng_generate(struct crypto_rng *tfm,
                                      const u8 *src, unsigned int slen,
                                      u8 *dst, unsigned int dlen)
 {
-       struct rng_alg *alg = crypto_rng_alg(tfm);
-
-       if (IS_ENABLED(CONFIG_CRYPTO_STATS)) {
-               struct crypto_istat_rng *istat = rng_get_stat(alg);
-
-               atomic64_inc(&istat->generate_cnt);
-               atomic64_add(dlen, &istat->generate_tlen);
-       }
-
-       return crypto_rng_errstat(alg,
-                                 alg->generate(tfm, src, slen, dst, dlen));
+       return crypto_rng_alg(tfm)->generate(tfm, src, slen, dst, dlen);
 }
 
 /**