crypto: talitos - add IPsec ESN support (e763eb69) · Commits · 戴 / test

drivers/crypto/talitos.c

+28 −2

Original line number	Diff line number	Diff line
		@@ -38,6 +38,7 @@
		#include <linux/spinlock.h>
		#include <linux/rtnetlink.h>
		#include <linux/slab.h>
		#include <linux/string.h>

		#include <crypto/algapi.h>
		#include <crypto/aes.h>
		@@ -1974,7 +1975,11 @@ struct talitos_alg_template {
		};

		static struct talitos_alg_template driver_algs[] = {
		/* AEAD algorithms. These use a single-pass ipsec_esp descriptor */
		/*
		* AEAD algorithms. These use a single-pass ipsec_esp descriptor.
		* authencesn(,) is also registered, although not present
		* explicitly here.
		*/
		{ .type = CRYPTO_ALG_TYPE_AEAD,
		.alg.crypto = {
		.cra_name = "authenc(hmac(sha1),cbc(aes))",
		@@ -2816,7 +2821,9 @@ static int talitos_probe(struct platform_device *ofdev)
		if (hw_supports(dev, driver_algs[i].desc_hdr_template)) {
		struct talitos_crypto_alg *t_alg;
		char *name = NULL;
		bool authenc = false;

		authencesn:
		t_alg = talitos_alg_alloc(dev, &driver_algs[i]);
		if (IS_ERR(t_alg)) {
		err = PTR_ERR(t_alg);
		@@ -2831,6 +2838,8 @@ static int talitos_probe(struct platform_device *ofdev)
		err = crypto_register_alg(
		&t_alg->algt.alg.crypto);
		name = t_alg->algt.alg.crypto.cra_driver_name;
		authenc = authenc ? !authenc :
		!(bool)memcmp(name, "authenc", 7);
		break;
		case CRYPTO_ALG_TYPE_AHASH:
		err = crypto_register_ahash(
		@@ -2843,8 +2852,25 @@ static int talitos_probe(struct platform_device *ofdev)
		dev_err(dev, "%s alg registration failed\n",
		name);
		kfree(t_alg);
		} else
		} else {
		list_add_tail(&t_alg->entry, &priv->alg_list);
		if (authenc) {
		struct crypto_alg *alg =
		&driver_algs[i].alg.crypto;

		name = alg->cra_name;
		memmove(name + 10, name + 7,
		strlen(name) - 7);
		memcpy(name + 7, "esn", 3);

		name = alg->cra_driver_name;
		memmove(name + 10, name + 7,
		strlen(name) - 7);
		memcpy(name + 7, "esn", 3);

		goto authencesn;
		}
		}
		}
		}
		if (!list_empty(&priv->alg_list))

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