From patchwork Wed Jan 10 20:11:29 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexey Romanov X-Patchwork-Id: 761972 Received: from mx1.sberdevices.ru (mx1.sberdevices.ru [37.18.73.165]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 78B304F897; Wed, 10 Jan 2024 20:12:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=salutedevices.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=salutedevices.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=salutedevices.com header.i=@salutedevices.com header.b="Z4UMQth1" Received: from p-infra-ksmg-sc-msk01 (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id 216B5100024; Wed, 10 Jan 2024 23:12:38 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru 216B5100024 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=salutedevices.com; s=mail; t=1704917558; bh=fx6o7fLvKQ4MCqm/kAD36dHHhFI39f0No+Z3vxZ4Tsw=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=Z4UMQth1gSGiKSKnUiuot2I+39K9tTbaXa9LIF8GcGzYH7XpcsavHfHP1fyx17Hy1 Ih/E69HN1HHy4hcK4BbNOGJir5AdUwIR9AcH5Fj3mir9rFGbezVLuSeh/nyJlV+/VU 2zLmcmvSTeu+XMx01k+NSfXZb22mKLLaqphw0mLMmlYB2F2RDltd8GnwlmQasjs8C3 1D7dbAzDDsfGyFtRW+ADcsfvHh/qSWvv7o04U5k9nrMPMn4ABtaYrjpDDjaT7GN6wC pGg6NVKxBYjqeDpZtAqkzhcHAtUJgS6NKy55Y67pHKmLNOfRsTAt/zlIwLURlBBEQ7 AYPVmoHmgRkLA== Received: from smtp.sberdevices.ru (p-i-exch-sc-m01.sberdevices.ru [172.16.192.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.sberdevices.ru (Postfix) with ESMTPS; Wed, 10 Jan 2024 23:12:37 +0300 (MSK) Received: from localhost.localdomain (100.64.160.123) by p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Wed, 10 Jan 2024 23:12:37 +0300 From: Alexey Romanov To: , , , , , , , , , , CC: , , , , , , Alexey Romanov Subject: [PATCH v1 13/24] drivers: crypto: meson: use fallback for 192-bit keys Date: Wed, 10 Jan 2024 23:11:29 +0300 Message-ID: <20240110201216.18016-14-avromanov@salutedevices.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240110201216.18016-1-avromanov@salutedevices.com> References: <20240110201216.18016-1-avromanov@salutedevices.com> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: p-i-exch-sc-m02.sberdevices.ru (172.16.192.103) To p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 182544 [Jan 10 2024] X-KSMG-AntiSpam-Version: 6.1.0.3 X-KSMG-AntiSpam-Envelope-From: avromanov@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 7 0.3.7 6d6bf5bd8eea7373134f756a2fd73e9456bb7d1a, {Tracking_from_domain_doesnt_match_to}, 127.0.0.199:7.1.2; 100.64.160.123:7.1.2; smtp.sberdevices.ru:5.0.1,7.1.1; salutedevices.com:7.1.1; d41d8cd98f00b204e9800998ecf8427e.com:7.1.1, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2024/01/10 17:01:00 #23071477 X-KSMG-AntiVirus-Status: Clean, skipped Unforunately, not all Amlogic SoC's have a 192-bit key support for AES algo. In this case, use fallback. Signed-off-by: Alexey Romanov --- drivers/crypto/amlogic/amlogic-gxl-cipher.c | 7 +++++++ drivers/crypto/amlogic/amlogic-gxl-core.c | 1 + drivers/crypto/amlogic/amlogic-gxl.h | 2 ++ 3 files changed, 10 insertions(+) diff --git a/drivers/crypto/amlogic/amlogic-gxl-cipher.c b/drivers/crypto/amlogic/amlogic-gxl-cipher.c index b60b65034b6e..20ef3dfbaeb4 100644 --- a/drivers/crypto/amlogic/amlogic-gxl-cipher.c +++ b/drivers/crypto/amlogic/amlogic-gxl-cipher.c @@ -41,6 +41,13 @@ static bool meson_cipher_need_fallback_sg(struct skcipher_request *areq, static bool meson_cipher_need_fallback(struct skcipher_request *areq) { + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq); + struct meson_cipher_tfm_ctx *op = crypto_skcipher_ctx(tfm); + struct meson_dev *mc = op->mc; + + if (op->keymode == DESC_MODE_AES_192 && !mc->pdata->support_192bit_key) + return true; + if (areq->cryptlen == 0) return true; diff --git a/drivers/crypto/amlogic/amlogic-gxl-core.c b/drivers/crypto/amlogic/amlogic-gxl-core.c index a2bc9299214a..202dd9f73e55 100644 --- a/drivers/crypto/amlogic/amlogic-gxl-core.c +++ b/drivers/crypto/amlogic/amlogic-gxl-core.c @@ -206,6 +206,7 @@ static const struct meson_pdata meson_gxl_pdata = { .descs_reg = 0x0, .status_reg = 0x4, .setup_desc_cnt = 3, + .support_192bit_key = true, }; static const struct of_device_id meson_crypto_of_match_table[] = { diff --git a/drivers/crypto/amlogic/amlogic-gxl.h b/drivers/crypto/amlogic/amlogic-gxl.h index d9336718d813..d4b2468b7e92 100644 --- a/drivers/crypto/amlogic/amlogic-gxl.h +++ b/drivers/crypto/amlogic/amlogic-gxl.h @@ -97,11 +97,13 @@ struct meson_flow { * @reg_descs: offset to descriptors register * @reg_status: offset to status register * @setup_desc_cnt: number of setup descriptor to configure. + * @support_192bit_key: indicates whether platform support AES 192-bit key */ struct meson_pdata { u32 descs_reg; u32 status_reg; u32 setup_desc_cnt; + bool support_192bit_key; }; /*