1 files changed, 78 insertions, 223 deletions

diff --git a/crypto/crypto_user_stat.c b/crypto/crypto_user_stat.c
index 1dfaa0ccd555..3e9a53233d80 100644
--- a/crypto/crypto_user_stat.c
+++ b/crypto/crypto_user_stat.c
@@ -33,260 +33,149 @@ struct crypto_dump_info {
 
 static int crypto_report_aead(struct sk_buff *skb, struct crypto_alg *alg)
 {
-	struct crypto_stat raead;
-	u64 v64;
-	u32 v32;
+	struct crypto_stat_aead raead;
 
 	memset(&raead, 0, sizeof(raead));
 
-	strncpy(raead.type, "aead", sizeof(raead.type));
-
-	v32 = atomic_read(&alg->encrypt_cnt);
-	raead.stat_encrypt_cnt = v32;
-	v64 = atomic64_read(&alg->encrypt_tlen);
-	raead.stat_encrypt_tlen = v64;
-	v32 = atomic_read(&alg->decrypt_cnt);
-	raead.stat_decrypt_cnt = v32;
-	v64 = atomic64_read(&alg->decrypt_tlen);
-	raead.stat_decrypt_tlen = v64;
-	v32 = atomic_read(&alg->aead_err_cnt);
-	raead.stat_aead_err_cnt = v32;
-
-	if (nla_put(skb, CRYPTOCFGA_STAT_AEAD,
-		    sizeof(struct crypto_stat), &raead))
-		goto nla_put_failure;
-	return 0;
+	strscpy(raead.type, "aead", sizeof(raead.type));
 
-nla_put_failure:
-	return -EMSGSIZE;
+	raead.stat_encrypt_cnt = atomic64_read(&alg->stats.aead.encrypt_cnt);
+	raead.stat_encrypt_tlen = atomic64_read(&alg->stats.aead.encrypt_tlen);
+	raead.stat_decrypt_cnt = atomic64_read(&alg->stats.aead.decrypt_cnt);
+	raead.stat_decrypt_tlen = atomic64_read(&alg->stats.aead.decrypt_tlen);
+	raead.stat_err_cnt = atomic64_read(&alg->stats.aead.err_cnt);
+
+	return nla_put(skb, CRYPTOCFGA_STAT_AEAD, sizeof(raead), &raead);
 }
 
 static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg)
 {
-	struct crypto_stat rcipher;
-	u64 v64;
-	u32 v32;
+	struct crypto_stat_cipher rcipher;
 
 	memset(&rcipher, 0, sizeof(rcipher));
 
-	strlcpy(rcipher.type, "cipher", sizeof(rcipher.type));
-
-	v32 = atomic_read(&alg->encrypt_cnt);
-	rcipher.stat_encrypt_cnt = v32;
-	v64 = atomic64_read(&alg->encrypt_tlen);
-	rcipher.stat_encrypt_tlen = v64;
-	v32 = atomic_read(&alg->decrypt_cnt);
-	rcipher.stat_decrypt_cnt = v32;
-	v64 = atomic64_read(&alg->decrypt_tlen);
-	rcipher.stat_decrypt_tlen = v64;
-	v32 = atomic_read(&alg->cipher_err_cnt);
-	rcipher.stat_cipher_err_cnt = v32;
-
-	if (nla_put(skb, CRYPTOCFGA_STAT_CIPHER,
-		    sizeof(struct crypto_stat), &rcipher))
-		goto nla_put_failure;
-	return 0;
+	strscpy(rcipher.type, "cipher", sizeof(rcipher.type));
 
-nla_put_failure:
-	return -EMSGSIZE;
+	rcipher.stat_encrypt_cnt = atomic64_read(&alg->stats.cipher.encrypt_cnt);
+	rcipher.stat_encrypt_tlen = atomic64_read(&alg->stats.cipher.encrypt_tlen);
+	rcipher.stat_decrypt_cnt =  atomic64_read(&alg->stats.cipher.decrypt_cnt);
+	rcipher.stat_decrypt_tlen = atomic64_read(&alg->stats.cipher.decrypt_tlen);
+	rcipher.stat_err_cnt =  atomic64_read(&alg->stats.cipher.err_cnt);
+
+	return nla_put(skb, CRYPTOCFGA_STAT_CIPHER, sizeof(rcipher), &rcipher);
 }
 
 static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg)
 {
-	struct crypto_stat rcomp;
-	u64 v64;
-	u32 v32;
+	struct crypto_stat_compress rcomp;
 
 	memset(&rcomp, 0, sizeof(rcomp));
 
-	strlcpy(rcomp.type, "compression", sizeof(rcomp.type));
-	v32 = atomic_read(&alg->compress_cnt);
-	rcomp.stat_compress_cnt = v32;
-	v64 = atomic64_read(&alg->compress_tlen);
-	rcomp.stat_compress_tlen = v64;
-	v32 = atomic_read(&alg->decompress_cnt);
-	rcomp.stat_decompress_cnt = v32;
-	v64 = atomic64_read(&alg->decompress_tlen);
-	rcomp.stat_decompress_tlen = v64;
-	v32 = atomic_read(&alg->cipher_err_cnt);
-	rcomp.stat_compress_err_cnt = v32;
-
-	if (nla_put(skb, CRYPTOCFGA_STAT_COMPRESS,
-		    sizeof(struct crypto_stat), &rcomp))
-		goto nla_put_failure;
-	return 0;
+	strscpy(rcomp.type, "compression", sizeof(rcomp.type));
+	rcomp.stat_compress_cnt = atomic64_read(&alg->stats.compress.compress_cnt);
+	rcomp.stat_compress_tlen = atomic64_read(&alg->stats.compress.compress_tlen);
+	rcomp.stat_decompress_cnt = atomic64_read(&alg->stats.compress.decompress_cnt);
+	rcomp.stat_decompress_tlen = atomic64_read(&alg->stats.compress.decompress_tlen);
+	rcomp.stat_err_cnt = atomic64_read(&alg->stats.compress.err_cnt);
 
-nla_put_failure:
-	return -EMSGSIZE;
+	return nla_put(skb, CRYPTOCFGA_STAT_COMPRESS, sizeof(rcomp), &rcomp);
 }
 
 static int crypto_report_acomp(struct sk_buff *skb, struct crypto_alg *alg)
 {
-	struct crypto_stat racomp;
-	u64 v64;
-	u32 v32;
+	struct crypto_stat_compress racomp;
 
 	memset(&racomp, 0, sizeof(racomp));
 
-	strlcpy(racomp.type, "acomp", sizeof(racomp.type));
-	v32 = atomic_read(&alg->compress_cnt);
-	racomp.stat_compress_cnt = v32;
-	v64 = atomic64_read(&alg->compress_tlen);
-	racomp.stat_compress_tlen = v64;
-	v32 = atomic_read(&alg->decompress_cnt);
-	racomp.stat_decompress_cnt = v32;
-	v64 = atomic64_read(&alg->decompress_tlen);
-	racomp.stat_decompress_tlen = v64;
-	v32 = atomic_read(&alg->cipher_err_cnt);
-	racomp.stat_compress_err_cnt = v32;
-
-	if (nla_put(skb, CRYPTOCFGA_STAT_ACOMP,
-		    sizeof(struct crypto_stat), &racomp))
-		goto nla_put_failure;
-	return 0;
+	strscpy(racomp.type, "acomp", sizeof(racomp.type));
+	racomp.stat_compress_cnt = atomic64_read(&alg->stats.compress.compress_cnt);
+	racomp.stat_compress_tlen = atomic64_read(&alg->stats.compress.compress_tlen);
+	racomp.stat_decompress_cnt =  atomic64_read(&alg->stats.compress.decompress_cnt);
+	racomp.stat_decompress_tlen = atomic64_read(&alg->stats.compress.decompress_tlen);
+	racomp.stat_err_cnt = atomic64_read(&alg->stats.compress.err_cnt);
 
-nla_put_failure:
-	return -EMSGSIZE;
+	return nla_put(skb, CRYPTOCFGA_STAT_ACOMP, sizeof(racomp), &racomp);
 }
 
 static int crypto_report_akcipher(struct sk_buff *skb, struct crypto_alg *alg)
 {
-	struct crypto_stat rakcipher;
-	u64 v64;
-	u32 v32;
+	struct crypto_stat_akcipher rakcipher;
 
 	memset(&rakcipher, 0, sizeof(rakcipher));
 
-	strncpy(rakcipher.type, "akcipher", sizeof(rakcipher.type));
-	v32 = atomic_read(&alg->encrypt_cnt);
-	rakcipher.stat_encrypt_cnt = v32;
-	v64 = atomic64_read(&alg->encrypt_tlen);
-	rakcipher.stat_encrypt_tlen = v64;
-	v32 = atomic_read(&alg->decrypt_cnt);
-	rakcipher.stat_decrypt_cnt = v32;
-	v64 = atomic64_read(&alg->decrypt_tlen);
-	rakcipher.stat_decrypt_tlen = v64;
-	v32 = atomic_read(&alg->sign_cnt);
-	rakcipher.stat_sign_cnt = v32;
-	v32 = atomic_read(&alg->verify_cnt);
-	rakcipher.stat_verify_cnt = v32;
-	v32 = atomic_read(&alg->akcipher_err_cnt);
-	rakcipher.stat_akcipher_err_cnt = v32;
-
-	if (nla_put(skb, CRYPTOCFGA_STAT_AKCIPHER,
-		    sizeof(struct crypto_stat), &rakcipher))
-		goto nla_put_failure;
-	return 0;
-
-nla_put_failure:
-	return -EMSGSIZE;
+	strscpy(rakcipher.type, "akcipher", sizeof(rakcipher.type));
+	rakcipher.stat_encrypt_cnt = atomic64_read(&alg->stats.akcipher.encrypt_cnt);
+	rakcipher.stat_encrypt_tlen = atomic64_read(&alg->stats.akcipher.encrypt_tlen);
+	rakcipher.stat_decrypt_cnt = atomic64_read(&alg->stats.akcipher.decrypt_cnt);
+	rakcipher.stat_decrypt_tlen = atomic64_read(&alg->stats.akcipher.decrypt_tlen);
+	rakcipher.stat_sign_cnt = atomic64_read(&alg->stats.akcipher.sign_cnt);
+	rakcipher.stat_verify_cnt = atomic64_read(&alg->stats.akcipher.verify_cnt);
+	rakcipher.stat_err_cnt = atomic64_read(&alg->stats.akcipher.err_cnt);
+
+	return nla_put(skb, CRYPTOCFGA_STAT_AKCIPHER,
+		       sizeof(rakcipher), &rakcipher);
 }
 
 static int crypto_report_kpp(struct sk_buff *skb, struct crypto_alg *alg)
 {
-	struct crypto_stat rkpp;
-	u32 v;
+	struct crypto_stat_kpp rkpp;
 
 	memset(&rkpp, 0, sizeof(rkpp));
 
-	strlcpy(rkpp.type, "kpp", sizeof(rkpp.type));
-
-	v = atomic_read(&alg->setsecret_cnt);
-	rkpp.stat_setsecret_cnt = v;
-	v = atomic_read(&alg->generate_public_key_cnt);
-	rkpp.stat_generate_public_key_cnt = v;
-	v = atomic_read(&alg->compute_shared_secret_cnt);
-	rkpp.stat_compute_shared_secret_cnt = v;
-	v = atomic_read(&alg->kpp_err_cnt);
-	rkpp.stat_kpp_err_cnt = v;
+	strscpy(rkpp.type, "kpp", sizeof(rkpp.type));
 
-	if (nla_put(skb, CRYPTOCFGA_STAT_KPP,
-		    sizeof(struct crypto_stat), &rkpp))
-		goto nla_put_failure;
-	return 0;
+	rkpp.stat_setsecret_cnt = atomic64_read(&alg->stats.kpp.setsecret_cnt);
+	rkpp.stat_generate_public_key_cnt = atomic64_read(&alg->stats.kpp.generate_public_key_cnt);
+	rkpp.stat_compute_shared_secret_cnt = atomic64_read(&alg->stats.kpp.compute_shared_secret_cnt);
+	rkpp.stat_err_cnt = atomic64_read(&alg->stats.kpp.err_cnt);
 
-nla_put_failure:
-	return -EMSGSIZE;
+	return nla_put(skb, CRYPTOCFGA_STAT_KPP, sizeof(rkpp), &rkpp);
 }
 
 static int crypto_report_ahash(struct sk_buff *skb, struct crypto_alg *alg)
 {
-	struct crypto_stat rhash;
-	u64 v64;
-	u32 v32;
+	struct crypto_stat_hash rhash;
 
 	memset(&rhash, 0, sizeof(rhash));
 
-	strncpy(rhash.type, "ahash", sizeof(rhash.type));
+	strscpy(rhash.type, "ahash", sizeof(rhash.type));
 
-	v32 = atomic_read(&alg->hash_cnt);
-	rhash.stat_hash_cnt = v32;
-	v64 = atomic64_read(&alg->hash_tlen);
-	rhash.stat_hash_tlen = v64;
-	v32 = atomic_read(&alg->hash_err_cnt);
-	rhash.stat_hash_err_cnt = v32;
+	rhash.stat_hash_cnt = atomic64_read(&alg->stats.hash.hash_cnt);
+	rhash.stat_hash_tlen = atomic64_read(&alg->stats.hash.hash_tlen);
+	rhash.stat_err_cnt = atomic64_read(&alg->stats.hash.err_cnt);
 
-	if (nla_put(skb, CRYPTOCFGA_STAT_HASH,
-		    sizeof(struct crypto_stat), &rhash))
-		goto nla_put_failure;
-	return 0;
-
-nla_put_failure:
-	return -EMSGSIZE;
+	return nla_put(skb, CRYPTOCFGA_STAT_HASH, sizeof(rhash), &rhash);
 }
 
 static int crypto_report_shash(struct sk_buff *skb, struct crypto_alg *alg)
 {
-	struct crypto_stat rhash;
-	u64 v64;
-	u32 v32;
+	struct crypto_stat_hash rhash;
 
 	memset(&rhash, 0, sizeof(rhash));
 
-	strncpy(rhash.type, "shash", sizeof(rhash.type));
-
-	v32 = atomic_read(&alg->hash_cnt);
-	rhash.stat_hash_cnt = v32;
-	v64 = atomic64_read(&alg->hash_tlen);
-	rhash.stat_hash_tlen = v64;
-	v32 = atomic_read(&alg->hash_err_cnt);
-	rhash.stat_hash_err_cnt = v32;
+	strscpy(rhash.type, "shash", sizeof(rhash.type));
 
-	if (nla_put(skb, CRYPTOCFGA_STAT_HASH,
-		    sizeof(struct crypto_stat), &rhash))
-		goto nla_put_failure;
-	return 0;
+	rhash.stat_hash_cnt =  atomic64_read(&alg->stats.hash.hash_cnt);
+	rhash.stat_hash_tlen = atomic64_read(&alg->stats.hash.hash_tlen);
+	rhash.stat_err_cnt = atomic64_read(&alg->stats.hash.err_cnt);
 
-nla_put_failure:
-	return -EMSGSIZE;
+	return nla_put(skb, CRYPTOCFGA_STAT_HASH, sizeof(rhash), &rhash);
 }
 
 static int crypto_report_rng(struct sk_buff *skb, struct crypto_alg *alg)
 {
-	struct crypto_stat rrng;
-	u64 v64;
-	u32 v32;
+	struct crypto_stat_rng rrng;
 
 	memset(&rrng, 0, sizeof(rrng));
 
-	strncpy(rrng.type, "rng", sizeof(rrng.type));
+	strscpy(rrng.type, "rng", sizeof(rrng.type));
 
-	v32 = atomic_read(&alg->generate_cnt);
-	rrng.stat_generate_cnt = v32;
-	v64 = atomic64_read(&alg->generate_tlen);
-	rrng.stat_generate_tlen = v64;
-	v32 = atomic_read(&alg->seed_cnt);
-	rrng.stat_seed_cnt = v32;
-	v32 = atomic_read(&alg->hash_err_cnt);
-	rrng.stat_rng_err_cnt = v32;
-
-	if (nla_put(skb, CRYPTOCFGA_STAT_RNG,
-		    sizeof(struct crypto_stat), &rrng))
-		goto nla_put_failure;
-	return 0;
+	rrng.stat_generate_cnt = atomic64_read(&alg->stats.rng.generate_cnt);
+	rrng.stat_generate_tlen = atomic64_read(&alg->stats.rng.generate_tlen);
+	rrng.stat_seed_cnt = atomic64_read(&alg->stats.rng.seed_cnt);
+	rrng.stat_err_cnt = atomic64_read(&alg->stats.rng.err_cnt);
 
-nla_put_failure:
-	return -EMSGSIZE;
+	return nla_put(skb, CRYPTOCFGA_STAT_RNG, sizeof(rrng), &rrng);
 }
 
 static int crypto_reportstat_one(struct crypto_alg *alg,
@@ -295,10 +184,10 @@ static int crypto_reportstat_one(struct crypto_alg *alg,
 {
 	memset(ualg, 0, sizeof(*ualg));
 
-	strlcpy(ualg->cru_name, alg->cra_name, sizeof(ualg->cru_name));
-	strlcpy(ualg->cru_driver_name, alg->cra_driver_name,
+	strscpy(ualg->cru_name, alg->cra_name, sizeof(ualg->cru_name));
+	strscpy(ualg->cru_driver_name, alg->cra_driver_name,
 		sizeof(ualg->cru_driver_name));
-	strlcpy(ualg->cru_module_name, module_name(alg->cra_module),
+	strscpy(ualg->cru_module_name, module_name(alg->cra_module),
 		sizeof(ualg->cru_module_name));
 
 	ualg->cru_type = 0;
@@ -309,12 +198,11 @@ static int crypto_reportstat_one(struct crypto_alg *alg,
 	if (nla_put_u32(skb, CRYPTOCFGA_PRIORITY_VAL, alg->cra_priority))
 		goto nla_put_failure;
 	if (alg->cra_flags & CRYPTO_ALG_LARVAL) {
-		struct crypto_stat rl;
+		struct crypto_stat_larval rl;
 
 		memset(&rl, 0, sizeof(rl));
-		strlcpy(rl.type, "larval", sizeof(rl.type));
-		if (nla_put(skb, CRYPTOCFGA_STAT_LARVAL,
-			    sizeof(struct crypto_stat), &rl))
+		strscpy(rl.type, "larval", sizeof(rl.type));
+		if (nla_put(skb, CRYPTOCFGA_STAT_LARVAL, sizeof(rl), &rl))
 			goto nla_put_failure;
 		goto out;
 	}
@@ -448,37 +336,4 @@ drop_alg:
 	return nlmsg_unicast(crypto_nlsk, skb, NETLINK_CB(in_skb).portid);
 }
 
-int crypto_dump_reportstat(struct sk_buff *skb, struct netlink_callback *cb)
-{
-	struct crypto_alg *alg;
-	struct crypto_dump_info info;
-	int err;
-
-	if (cb->args[0])
-		goto out;
-
-	cb->args[0] = 1;
-
-	info.in_skb = cb->skb;
-	info.out_skb = skb;
-	info.nlmsg_seq = cb->nlh->nlmsg_seq;
-	info.nlmsg_flags = NLM_F_MULTI;
-
-	list_for_each_entry(alg, &crypto_alg_list, cra_list) {
-		err = crypto_reportstat_alg(alg, &info);
-		if (err)
-			goto out_err;
-	}
-
-out:
-	return skb->len;
-out_err:
-	return err;
-}
-
-int crypto_dump_reportstat_done(struct netlink_callback *cb)
-{
-	return 0;
-}
-
 MODULE_LICENSE("GPL");