diff --git a/crypto/Kconfig b/crypto/Kconfig
index eba55b4..657bb82 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -221,6 +221,7 @@ config CRYPTO_SEQIV
 	tristate "Sequence Number IV Generator"
 	select CRYPTO_AEAD
 	select CRYPTO_BLKCIPHER
+	select CRYPTO_NULL
 	select CRYPTO_RNG
 	help
 	  This IV generator generates an IV based on a sequence number by
diff --git a/crypto/aead.c b/crypto/aead.c
index d231e28..5fa992a 100644
--- a/crypto/aead.c
+++ b/crypto/aead.c
@@ -378,15 +378,16 @@ static int crypto_grab_nivaead(struct crypto_aead_spawn *spawn,
 	return crypto_grab_spawn(&spawn->base, name, type, mask);
 }
 
-struct crypto_instance *aead_geniv_alloc(struct crypto_template *tmpl,
-					 struct rtattr **tb, u32 type,
-					 u32 mask)
+struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl,
+				       struct rtattr **tb, u32 type, u32 mask)
 {
 	const char *name;
 	struct crypto_aead_spawn *spawn;
 	struct crypto_attr_type *algt;
-	struct crypto_instance *inst;
-	struct crypto_alg *alg;
+	struct aead_instance *inst;
+	struct aead_alg *alg;
+	unsigned int ivsize;
+	unsigned int maxauthsize;
 	int err;
 
 	algt = crypto_get_attr_type(tb);
@@ -405,20 +406,28 @@ struct crypto_instance *aead_geniv_alloc(struct crypto_template *tmpl,
 	if (!inst)
 		return ERR_PTR(-ENOMEM);
 
-	spawn = crypto_instance_ctx(inst);
+	spawn = aead_instance_ctx(inst);
 
 	/* Ignore async algorithms if necessary. */
 	mask |= crypto_requires_sync(algt->type, algt->mask);
 
-	crypto_set_aead_spawn(spawn, inst);
+	crypto_set_aead_spawn(spawn, aead_crypto_instance(inst));
 	err = crypto_grab_nivaead(spawn, name, type, mask);
 	if (err)
 		goto err_free_inst;
 
-	alg = crypto_aead_spawn_alg(spawn);
+	alg = crypto_spawn_aead_alg(spawn);
+
+	if (alg->base.cra_aead.encrypt) {
+		ivsize = alg->base.cra_aead.ivsize;
+		maxauthsize = alg->base.cra_aead.maxauthsize;
+	} else {
+		ivsize = alg->ivsize;
+		maxauthsize = alg->maxauthsize;
+	}
 
 	err = -EINVAL;
-	if (!alg->cra_aead.ivsize)
+	if (!ivsize)
 		goto err_drop_alg;
 
 	/*
@@ -427,39 +436,56 @@ struct crypto_instance *aead_geniv_alloc(struct crypto_template *tmpl,
 	 * template name and double-check the IV generator.
 	 */
 	if (algt->mask & CRYPTO_ALG_GENIV) {
-		if (strcmp(tmpl->name, alg->cra_aead.geniv))
+		if (!alg->base.cra_aead.encrypt)
+			goto err_drop_alg;
+		if (strcmp(tmpl->name, alg->base.cra_aead.geniv))
 			goto err_drop_alg;
 
-		memcpy(inst->alg.cra_name, alg->cra_name, CRYPTO_MAX_ALG_NAME);
-		memcpy(inst->alg.cra_driver_name, alg->cra_driver_name,
+		memcpy(inst->alg.base.cra_name, alg->base.cra_name,
 		       CRYPTO_MAX_ALG_NAME);
-	} else {
-		err = -ENAMETOOLONG;
-		if (snprintf(inst->alg.cra_name, CRYPTO_MAX_ALG_NAME,
-			     "%s(%s)", tmpl->name, alg->cra_name) >=
-		    CRYPTO_MAX_ALG_NAME)
-			goto err_drop_alg;
-		if (snprintf(inst->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME,
-			     "%s(%s)", tmpl->name, alg->cra_driver_name) >=
-		    CRYPTO_MAX_ALG_NAME)
-			goto err_drop_alg;
+		memcpy(inst->alg.base.cra_driver_name,
+		       alg->base.cra_driver_name, CRYPTO_MAX_ALG_NAME);
+
+		inst->alg.base.cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					   CRYPTO_ALG_GENIV;
+		inst->alg.base.cra_flags |= alg->base.cra_flags &
+					    CRYPTO_ALG_ASYNC;
+		inst->alg.base.cra_priority = alg->base.cra_priority;
+		inst->alg.base.cra_blocksize = alg->base.cra_blocksize;
+		inst->alg.base.cra_alignmask = alg->base.cra_alignmask;
+		inst->alg.base.cra_type = &crypto_aead_type;
+
+		inst->alg.base.cra_aead.ivsize = ivsize;
+		inst->alg.base.cra_aead.maxauthsize = maxauthsize;
+
+		inst->alg.base.cra_aead.setkey = alg->base.cra_aead.setkey;
+		inst->alg.base.cra_aead.setauthsize =
+			alg->base.cra_aead.setauthsize;
+		inst->alg.base.cra_aead.encrypt = alg->base.cra_aead.encrypt;
+		inst->alg.base.cra_aead.decrypt = alg->base.cra_aead.decrypt;
+
+		goto out;
 	}
 
-	inst->alg.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_GENIV;
-	inst->alg.cra_flags |= alg->cra_flags & CRYPTO_ALG_ASYNC;
-	inst->alg.cra_priority = alg->cra_priority;
-	inst->alg.cra_blocksize = alg->cra_blocksize;
-	inst->alg.cra_alignmask = alg->cra_alignmask;
-	inst->alg.cra_type = &crypto_aead_type;
+	err = -ENAMETOOLONG;
+	if (snprintf(inst->alg.base.cra_name, CRYPTO_MAX_ALG_NAME,
+		     "%s(%s)", tmpl->name, alg->base.cra_name) >=
+	    CRYPTO_MAX_ALG_NAME)
+		goto err_drop_alg;
+	if (snprintf(inst->alg.base.cra_driver_name, CRYPTO_MAX_ALG_NAME,
+		     "%s(%s)", tmpl->name, alg->base.cra_driver_name) >=
+	    CRYPTO_MAX_ALG_NAME)
+		goto err_drop_alg;
 
-	inst->alg.cra_aead.ivsize = alg->cra_aead.ivsize;
-	inst->alg.cra_aead.maxauthsize = alg->cra_aead.maxauthsize;
-	inst->alg.cra_aead.geniv = alg->cra_aead.geniv;
+	inst->alg.base.cra_flags = CRYPTO_ALG_TYPE_AEAD;
+	inst->alg.base.cra_flags |= alg->base.cra_flags & CRYPTO_ALG_ASYNC;
+	inst->alg.base.cra_priority = alg->base.cra_priority;
+	inst->alg.base.cra_blocksize = alg->base.cra_blocksize;
+	inst->alg.base.cra_alignmask = alg->base.cra_alignmask;
+	inst->alg.base.cra_type = &crypto_new_aead_type;
 
-	inst->alg.cra_aead.setkey = alg->cra_aead.setkey;
-	inst->alg.cra_aead.setauthsize = alg->cra_aead.setauthsize;
-	inst->alg.cra_aead.encrypt = alg->cra_aead.encrypt;
-	inst->alg.cra_aead.decrypt = alg->cra_aead.decrypt;
+	inst->alg.ivsize = ivsize;
+	inst->alg.maxauthsize = maxauthsize;
 
 out:
 	return inst;
@@ -473,9 +499,9 @@ err_free_inst:
 }
 EXPORT_SYMBOL_GPL(aead_geniv_alloc);
 
-void aead_geniv_free(struct crypto_instance *inst)
+void aead_geniv_free(struct aead_instance *inst)
 {
-	crypto_drop_aead(crypto_instance_ctx(inst));
+	crypto_drop_aead(aead_instance_ctx(inst));
 	kfree(inst);
 }
 EXPORT_SYMBOL_GPL(aead_geniv_free);
diff --git a/crypto/seqiv.c b/crypto/seqiv.c
index 5bbf2e9..27dbab8a 100644
--- a/crypto/seqiv.c
+++ b/crypto/seqiv.c
@@ -15,7 +15,9 @@
 
 #include <crypto/internal/aead.h>
 #include <crypto/internal/skcipher.h>
+#include <crypto/null.h>
 #include <crypto/rng.h>
+#include <crypto/scatterwalk.h>
 #include <linux/err.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
@@ -29,6 +31,29 @@ struct seqiv_ctx {
 	u8 salt[] __attribute__ ((aligned(__alignof__(u32))));
 };
 
+struct seqiv_aead_ctx {
+	struct crypto_aead *child;
+	spinlock_t lock;
+	struct crypto_blkcipher *null;
+	u8 salt[] __attribute__ ((aligned(__alignof__(u32))));
+};
+
+static int seqiv_aead_setkey(struct crypto_aead *tfm,
+			     const u8 *key, unsigned int keylen)
+{
+	struct seqiv_aead_ctx *ctx = crypto_aead_ctx(tfm);
+
+	return crypto_aead_setkey(ctx->child, key, keylen);
+}
+
+static int seqiv_aead_setauthsize(struct crypto_aead *tfm,
+				  unsigned int authsize)
+{
+	struct seqiv_aead_ctx *ctx = crypto_aead_ctx(tfm);
+
+	return crypto_aead_setauthsize(ctx->child, authsize);
+}
+
 static void seqiv_complete2(struct skcipher_givcrypt_request *req, int err)
 {
 	struct ablkcipher_request *subreq = skcipher_givcrypt_reqctx(req);
@@ -81,6 +106,33 @@ static void seqiv_aead_complete(struct crypto_async_request *base, int err)
 	aead_givcrypt_complete(req, err);
 }
 
+static void seqiv_aead_encrypt_complete2(struct aead_request *req, int err)
+{
+	struct aead_request *subreq = aead_request_ctx(req);
+	struct crypto_aead *geniv;
+
+	if (err == -EINPROGRESS)
+		return;
+
+	if (err)
+		goto out;
+
+	geniv = crypto_aead_reqtfm(req);
+	memcpy(req->iv, subreq->iv, crypto_aead_ivsize(geniv));
+
+out:
+	kzfree(subreq->iv);
+}
+
+static void seqiv_aead_encrypt_complete(struct crypto_async_request *base,
+					int err)
+{
+	struct aead_request *req = base->data;
+
+	seqiv_aead_encrypt_complete2(req, err);
+	aead_request_complete(req, err);
+}
+
 static void seqiv_geniv(struct seqiv_ctx *ctx, u8 *info, u64 seq,
 			unsigned int ivsize)
 {
@@ -186,6 +238,171 @@ static int seqiv_aead_givencrypt(struct aead_givcrypt_request *req)
 	return err;
 }
 
+static int seqiv_aead_encrypt_compat(struct aead_request *req)
+{
+	struct crypto_aead *geniv = crypto_aead_reqtfm(req);
+	struct seqiv_aead_ctx *ctx = crypto_aead_ctx(geniv);
+	struct aead_request *subreq = aead_request_ctx(req);
+	crypto_completion_t compl;
+	void *data;
+	u8 *info;
+	unsigned int ivsize;
+	int err;
+
+	aead_request_set_tfm(subreq, ctx->child);
+
+	compl = req->base.complete;
+	data = req->base.data;
+	info = req->iv;
+
+	ivsize = crypto_aead_ivsize(geniv);
+
+	if (unlikely(!IS_ALIGNED((unsigned long)info,
+				 crypto_aead_alignmask(geniv) + 1))) {
+		info = kmalloc(ivsize, req->base.flags &
+				       CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL:
+								  GFP_ATOMIC);
+		if (!info)
+			return -ENOMEM;
+
+		memcpy(info, req->iv, ivsize);
+		compl = seqiv_aead_encrypt_complete;
+		data = req;
+	}
+
+	aead_request_set_callback(subreq, req->base.flags, compl, data);
+	aead_request_set_crypt(subreq, req->src, req->dst,
+			       req->cryptlen - ivsize, info);
+	aead_request_set_ad(subreq, req->assoclen, ivsize);
+
+	crypto_xor(info, ctx->salt, ivsize);
+	scatterwalk_map_and_copy(info, req->dst, req->assoclen, ivsize, 1);
+
+	err = crypto_aead_encrypt(subreq);
+	if (unlikely(info != req->iv))
+		seqiv_aead_encrypt_complete2(req, err);
+	return err;
+}
+
+static int seqiv_aead_encrypt(struct aead_request *req)
+{
+	struct crypto_aead *geniv = crypto_aead_reqtfm(req);
+	struct seqiv_aead_ctx *ctx = crypto_aead_ctx(geniv);
+	struct aead_request *subreq = aead_request_ctx(req);
+	crypto_completion_t compl;
+	void *data;
+	u8 *info;
+	unsigned int ivsize;
+	int err;
+
+	aead_request_set_tfm(subreq, ctx->child);
+
+	compl = req->base.complete;
+	data = req->base.data;
+	info = req->iv;
+
+	ivsize = crypto_aead_ivsize(geniv);
+
+	if (req->src != req->dst) {
+		struct scatterlist src[2];
+		struct scatterlist dst[2];
+		struct blkcipher_desc desc = {
+			.tfm = ctx->null,
+		};
+
+		err = crypto_blkcipher_encrypt(
+			&desc,
+			scatterwalk_ffwd(dst, req->dst,
+					 req->assoclen + ivsize),
+			scatterwalk_ffwd(src, req->src,
+					 req->assoclen + ivsize),
+			req->cryptlen - ivsize);
+		if (err)
+			return err;
+	}
+
+	if (unlikely(!IS_ALIGNED((unsigned long)info,
+				 crypto_aead_alignmask(geniv) + 1))) {
+		info = kmalloc(ivsize, req->base.flags &
+				       CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL:
+								  GFP_ATOMIC);
+		if (!info)
+			return -ENOMEM;
+
+		memcpy(info, req->iv, ivsize);
+		compl = seqiv_aead_encrypt_complete;
+		data = req;
+	}
+
+	aead_request_set_callback(subreq, req->base.flags, compl, data);
+	aead_request_set_crypt(subreq, req->dst, req->dst,
+			       req->cryptlen - ivsize, info);
+	aead_request_set_ad(subreq, req->assoclen + ivsize, 0);
+
+	crypto_xor(info, ctx->salt, ivsize);
+	scatterwalk_map_and_copy(info, req->dst, req->assoclen, ivsize, 1);
+
+	err = crypto_aead_encrypt(subreq);
+	if (unlikely(info != req->iv))
+		seqiv_aead_encrypt_complete2(req, err);
+	return err;
+}
+
+static int seqiv_aead_decrypt_compat(struct aead_request *req)
+{
+	struct crypto_aead *geniv = crypto_aead_reqtfm(req);
+	struct seqiv_aead_ctx *ctx = crypto_aead_ctx(geniv);
+	struct aead_request *subreq = aead_request_ctx(req);
+	crypto_completion_t compl;
+	void *data;
+	unsigned int ivsize;
+
+	aead_request_set_tfm(subreq, ctx->child);
+
+	compl = req->base.complete;
+	data = req->base.data;
+
+	ivsize = crypto_aead_ivsize(geniv);
+
+	aead_request_set_callback(subreq, req->base.flags, compl, data);
+	aead_request_set_crypt(subreq, req->src, req->dst,
+			       req->cryptlen - ivsize, req->iv);
+	aead_request_set_ad(subreq, req->assoclen, ivsize);
+
+	scatterwalk_map_and_copy(req->iv, req->src, req->assoclen, ivsize, 0);
+
+	return crypto_aead_decrypt(subreq);
+}
+
+static int seqiv_aead_decrypt(struct aead_request *req)
+{
+	struct crypto_aead *geniv = crypto_aead_reqtfm(req);
+	struct seqiv_aead_ctx *ctx = crypto_aead_ctx(geniv);
+	struct aead_request *subreq = aead_request_ctx(req);
+	crypto_completion_t compl;
+	void *data;
+	unsigned int ivsize;
+
+	aead_request_set_tfm(subreq, ctx->child);
+
+	compl = req->base.complete;
+	data = req->base.data;
+
+	ivsize = crypto_aead_ivsize(geniv);
+
+	aead_request_set_callback(subreq, req->base.flags, compl, data);
+	aead_request_set_crypt(subreq, req->src, req->dst,
+			       req->cryptlen - ivsize, req->iv);
+	aead_request_set_ad(subreq, req->assoclen + ivsize, 0);
+
+	scatterwalk_map_and_copy(req->iv, req->src, req->assoclen, ivsize, 0);
+	if (req->src != req->dst)
+		scatterwalk_map_and_copy(req->iv, req->dst,
+					 req->assoclen, ivsize, 1);
+
+	return crypto_aead_decrypt(subreq);
+}
+
 static int seqiv_givencrypt_first(struct skcipher_givcrypt_request *req)
 {
 	struct crypto_ablkcipher *geniv = skcipher_givcrypt_reqtfm(req);
@@ -232,6 +449,52 @@ unlock:
 	return seqiv_aead_givencrypt(req);
 }
 
+static int seqiv_aead_encrypt_compat_first(struct aead_request *req)
+{
+	struct crypto_aead *geniv = crypto_aead_reqtfm(req);
+	struct seqiv_aead_ctx *ctx = crypto_aead_ctx(geniv);
+	int err = 0;
+
+	spin_lock_bh(&ctx->lock);
+	if (geniv->encrypt != seqiv_aead_encrypt_compat_first)
+		goto unlock;
+
+	geniv->encrypt = seqiv_aead_encrypt_compat;
+	err = crypto_rng_get_bytes(crypto_default_rng, ctx->salt,
+				   crypto_aead_ivsize(geniv));
+
+unlock:
+	spin_unlock_bh(&ctx->lock);
+
+	if (err)
+		return err;
+
+	return seqiv_aead_encrypt_compat(req);
+}
+
+static int seqiv_aead_encrypt_first(struct aead_request *req)
+{
+	struct crypto_aead *geniv = crypto_aead_reqtfm(req);
+	struct seqiv_aead_ctx *ctx = crypto_aead_ctx(geniv);
+	int err = 0;
+
+	spin_lock_bh(&ctx->lock);
+	if (geniv->encrypt != seqiv_aead_encrypt_first)
+		goto unlock;
+
+	geniv->encrypt = seqiv_aead_encrypt;
+	err = crypto_rng_get_bytes(crypto_default_rng, ctx->salt,
+				   crypto_aead_ivsize(geniv));
+
+unlock:
+	spin_unlock_bh(&ctx->lock);
+
+	if (err)
+		return err;
+
+	return seqiv_aead_encrypt(req);
+}
+
 static int seqiv_init(struct crypto_tfm *tfm)
 {
 	struct crypto_ablkcipher *geniv = __crypto_ablkcipher_cast(tfm);
@@ -244,7 +507,7 @@ static int seqiv_init(struct crypto_tfm *tfm)
 	return skcipher_geniv_init(tfm);
 }
 
-static int seqiv_aead_init(struct crypto_tfm *tfm)
+static int seqiv_old_aead_init(struct crypto_tfm *tfm)
 {
 	struct crypto_aead *geniv = __crypto_aead_cast(tfm);
 	struct seqiv_ctx *ctx = crypto_aead_ctx(geniv);
@@ -257,6 +520,69 @@ static int seqiv_aead_init(struct crypto_tfm *tfm)
 	return aead_geniv_init(tfm);
 }
 
+static int seqiv_aead_compat_init(struct crypto_tfm *tfm)
+{
+	struct crypto_aead *geniv = __crypto_aead_cast(tfm);
+	struct seqiv_aead_ctx *ctx = crypto_aead_ctx(geniv);
+	int err;
+
+	spin_lock_init(&ctx->lock);
+
+	crypto_aead_set_reqsize(geniv, sizeof(struct aead_request));
+
+	err = aead_geniv_init(tfm);
+
+	ctx->child = geniv->child;
+	geniv->child = geniv;
+
+	return err;
+}
+
+static int seqiv_aead_init(struct crypto_tfm *tfm)
+{
+	struct crypto_aead *geniv = __crypto_aead_cast(tfm);
+	struct seqiv_aead_ctx *ctx = crypto_aead_ctx(geniv);
+	int err;
+
+	spin_lock_init(&ctx->lock);
+
+	crypto_aead_set_reqsize(geniv, sizeof(struct aead_request));
+
+	ctx->null = crypto_get_default_null_skcipher();
+	err = PTR_ERR(ctx->null);
+	if (IS_ERR(ctx->null))
+		goto out;
+
+	err = aead_geniv_init(tfm);
+	if (err)
+		goto drop_null;
+
+	ctx->child = geniv->child;
+	geniv->child = geniv;
+
+out:
+	return err;
+
+drop_null:
+	crypto_put_default_null_skcipher();
+	goto out;
+}
+
+static void seqiv_aead_compat_exit(struct crypto_tfm *tfm)
+{
+	struct seqiv_aead_ctx *ctx = crypto_tfm_ctx(tfm);
+
+	crypto_free_aead(ctx->child);
+}
+
+static void seqiv_aead_exit(struct crypto_tfm *tfm)
+{
+	struct seqiv_aead_ctx *ctx = crypto_tfm_ctx(tfm);
+
+	crypto_free_aead(ctx->child);
+	crypto_put_default_null_skcipher();
+}
+
 static struct crypto_template seqiv_tmpl;
 
 static struct crypto_instance *seqiv_ablkcipher_alloc(struct rtattr **tb)
@@ -280,35 +606,76 @@ static struct crypto_instance *seqiv_ablkcipher_alloc(struct rtattr **tb)
 	inst->alg.cra_exit = skcipher_geniv_exit;
 
 	inst->alg.cra_ctxsize += inst->alg.cra_ablkcipher.ivsize;
+	inst->alg.cra_ctxsize += sizeof(struct seqiv_ctx);
 
 out:
 	return inst;
 }
 
+static struct crypto_instance *seqiv_old_aead_alloc(struct aead_instance *aead)
+{
+	struct crypto_instance *inst = aead_crypto_instance(aead);
+
+	if (inst->alg.cra_aead.ivsize < sizeof(u64)) {
+		aead_geniv_free(aead);
+		return ERR_PTR(-EINVAL);
+	}
+
+	inst->alg.cra_aead.givencrypt = seqiv_aead_givencrypt_first;
+
+	inst->alg.cra_init = seqiv_old_aead_init;
+	inst->alg.cra_exit = aead_geniv_exit;
+
+	inst->alg.cra_ctxsize = inst->alg.cra_aead.ivsize;
+	inst->alg.cra_ctxsize += sizeof(struct seqiv_ctx);
+
+	return inst;
+}
+
 static struct crypto_instance *seqiv_aead_alloc(struct rtattr **tb)
 {
-	struct crypto_instance *inst;
+	struct aead_instance *inst;
+	struct crypto_aead_spawn *spawn;
+	struct aead_alg *alg;
 
 	inst = aead_geniv_alloc(&seqiv_tmpl, tb, 0, 0);
 
 	if (IS_ERR(inst))
 		goto out;
 
-	if (inst->alg.cra_aead.ivsize < sizeof(u64)) {
+	if (inst->alg.base.cra_aead.encrypt)
+		return seqiv_old_aead_alloc(inst);
+
+	if (inst->alg.ivsize < sizeof(u64)) {
 		aead_geniv_free(inst);
 		inst = ERR_PTR(-EINVAL);
 		goto out;
 	}
 
-	inst->alg.cra_aead.givencrypt = seqiv_aead_givencrypt_first;
+	spawn = aead_instance_ctx(inst);
+	alg = crypto_spawn_aead_alg(spawn);
 
-	inst->alg.cra_init = seqiv_aead_init;
-	inst->alg.cra_exit = aead_geniv_exit;
+	inst->alg.setkey = seqiv_aead_setkey;
+	inst->alg.setauthsize = seqiv_aead_setauthsize;
+	inst->alg.encrypt = seqiv_aead_encrypt_first;
+	inst->alg.decrypt = seqiv_aead_decrypt;
 
-	inst->alg.cra_ctxsize = inst->alg.cra_aead.ivsize;
+	inst->alg.base.cra_init = seqiv_aead_init;
+	inst->alg.base.cra_exit = seqiv_aead_exit;
+
+	inst->alg.base.cra_ctxsize = sizeof(struct seqiv_aead_ctx);
+	inst->alg.base.cra_ctxsize += inst->alg.base.cra_aead.ivsize;
+
+	if (alg->base.cra_aead.encrypt) {
+		inst->alg.encrypt = seqiv_aead_encrypt_compat_first;
+		inst->alg.decrypt = seqiv_aead_decrypt_compat;
+
+		inst->alg.base.cra_init = seqiv_aead_compat_init;
+		inst->alg.base.cra_exit = seqiv_aead_compat_exit;
+	}
 
 out:
-	return inst;
+	return aead_crypto_instance(inst);
 }
 
 static struct crypto_instance *seqiv_alloc(struct rtattr **tb)
@@ -334,7 +701,6 @@ static struct crypto_instance *seqiv_alloc(struct rtattr **tb)
 		goto put_rng;
 
 	inst->alg.cra_alignmask |= __alignof__(u32) - 1;
-	inst->alg.cra_ctxsize += sizeof(struct seqiv_ctx);
 
 out:
 	return inst;
@@ -349,7 +715,7 @@ static void seqiv_free(struct crypto_instance *inst)
 	if ((inst->alg.cra_flags ^ CRYPTO_ALG_TYPE_AEAD) & CRYPTO_ALG_TYPE_MASK)
 		skcipher_geniv_free(inst);
 	else
-		aead_geniv_free(inst);
+		aead_geniv_free(aead_instance(inst));
 	crypto_put_default_rng();
 }
 
diff --git a/include/crypto/internal/aead.h b/include/crypto/internal/aead.h
index 6cd3151..08f2ca6 100644
--- a/include/crypto/internal/aead.h
+++ b/include/crypto/internal/aead.h
@@ -117,10 +117,9 @@ static inline struct crypto_aead *crypto_spawn_aead(
 	return crypto_spawn_tfm2(&spawn->base);
 }
 
-struct crypto_instance *aead_geniv_alloc(struct crypto_template *tmpl,
-					 struct rtattr **tb, u32 type,
-					 u32 mask);
-void aead_geniv_free(struct crypto_instance *inst);
+struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl,
+				       struct rtattr **tb, u32 type, u32 mask);
+void aead_geniv_free(struct aead_instance *inst);
 int aead_geniv_init(struct crypto_tfm *tfm);
 void aead_geniv_exit(struct crypto_tfm *tfm);
 
