From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7CF3CC64E7B for ; Wed, 25 Nov 2020 21:14:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0A68A206F9 for ; Wed, 25 Nov 2020 21:14:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=NXP1.onmicrosoft.com header.i=@NXP1.onmicrosoft.com header.b="H2kbGFF0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731605AbgKYVOY (ORCPT ); Wed, 25 Nov 2020 16:14:24 -0500 Received: from mail-eopbgr130071.outbound.protection.outlook.com ([40.107.13.71]:34107 "EHLO EUR01-HE1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725876AbgKYVOX (ORCPT ); Wed, 25 Nov 2020 16:14:23 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=J81V0ymRbHnz8uckKmOI8JiFdlpMfeil2VDb62eFhnZewfNZfiNkT6gRYDBNn3HV4NgGnk69wRSKwj6IyoYo/TuZcr/vUoniMNUZ9hkgT17RgyMXUHSxTiopqX6+Gc1nH37Nx6JWUwbT0USyMLEXi+h8l3jLl35L7Q+VhWqnP4gW4DBAhx2PAqkJhdyhSatIIlfEtguY9z2he7AaJADTbd79xGSfofJz9iNUtjygC79Lpap0KsJQ/DXHQp/7CTykKVvTtVZu5ZVg+4fF2NyReaFC2sRL18guC0LinONTdCc4QCVs3NvxYWPMBYPdmj9DivLxNZzHWlPbQgrBOzSD/A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=sna9JVzF3Yk8RzWOeiWOX3lyUZsm8G1/adccGe5YY7o=; b=ep2Ey7RDN8Ld55xA/5X6Tu8MBMqQ6WY1QtJM8qKooXiKxBhgXcJ2DGQkllXJ0YIbAvJvQWUngyihf+gwLjAHJfneAtKePWdsUFG+gHM5POOvRF4APwyYJXfGB0xtOORMpJe7ji/k0Nge2jYkqoMPctHcrkISFJdDw7djACp7pwN3TegFgV72UcEXOw9WXzfAwdGci9wOuy82WA4tzvv1HhBwN3CDApHzbIBKXn3qaC+JdHSNqwWADiluGSezYkuJjnPwN6pxyENEGcDVoAaoWxXkj1LWdmGmtTXLUcqcPu+UFURs+xE+/n2zhbCiN3JjAsLlc3hBJepKSa0gkG3v2A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oss.nxp.com; dmarc=pass action=none header.from=oss.nxp.com; dkim=pass header.d=oss.nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=NXP1.onmicrosoft.com; s=selector2-NXP1-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=sna9JVzF3Yk8RzWOeiWOX3lyUZsm8G1/adccGe5YY7o=; b=H2kbGFF0lvkgLQfFpGff7NAmWAdn9pbsEI+sQUyovhiC7xGcrJ49SYT+/8BsgQQMxhEqalTE03Jzaytk1nP5uptouw9PLKsgHU8uKwxemlJ1TT7mUU80Ah27sEGLp1Ufan0pgVgy83WcLBB1jDkubiYM01eoKsfpkjIHkPaKldU= Authentication-Results: gondor.apana.org.au; dkim=none (message not signed) header.d=none;gondor.apana.org.au; dmarc=none action=none header.from=oss.nxp.com; Received: from VI1PR0402MB3712.eurprd04.prod.outlook.com (2603:10a6:803:1c::25) by VI1PR04MB6941.eurprd04.prod.outlook.com (2603:10a6:803:12e::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3611.22; Wed, 25 Nov 2020 21:14:18 +0000 Received: from VI1PR0402MB3712.eurprd04.prod.outlook.com ([fe80::ade4:e169:1f4a:28c]) by VI1PR0402MB3712.eurprd04.prod.outlook.com ([fe80::ade4:e169:1f4a:28c%4]) with mapi id 15.20.3589.025; Wed, 25 Nov 2020 21:14:18 +0000 From: "Iuliana Prodan (OSS)" To: Herbert Xu , Ard Biesheuvel , "David S. Miller" , Horia Geanta Cc: Aymen Sghaier , Silvano Di Ninno , Franck Lenormand , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-imx , Iuliana Prodan Subject: [RFC PATCH 2/4] net: esp: check CRYPTO_TFM_REQ_DMA flag when allocating crypto request Date: Wed, 25 Nov 2020 23:13:09 +0200 Message-Id: <20201125211311.2179-3-iuliana.prodan@oss.nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201125211311.2179-1-iuliana.prodan@oss.nxp.com> References: <20201125211311.2179-1-iuliana.prodan@oss.nxp.com> Content-Type: text/plain X-Originating-IP: [83.217.231.2] X-ClientProxiedBy: AM0PR10CA0117.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:e6::34) To VI1PR0402MB3712.eurprd04.prod.outlook.com (2603:10a6:803:1c::25) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from lsv15040.swis.ro-buh01.nxp.com (83.217.231.2) by AM0PR10CA0117.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:e6::34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3611.22 via Frontend Transport; Wed, 25 Nov 2020 21:14:17 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 1b07eabf-fdc7-4c33-71f8-08d891871229 X-MS-TrafficTypeDiagnostic: VI1PR04MB6941: X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4125; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: goVieeWYCaXVSkz7opzzXIGe1FfpJ/c62RnfifeXF4HCMDl/yMRBvmWxEmUokP5MJaWeJl2ihElvbZhux6XOFdi55yflR62zr85EMxgp31eSUK/aPrikANoKj/WUd29uhvI4rjwhtOP6mPXQ38dOdbC+VlYcFI7ZnKbAYVDPSrJG+nWkd5SLCAz7hlRQgWUvF+skSgPssVkAMDyzaYw5L3k4cgQUCS9A4EUOUovo0pfYmjw4YlKD10YUsXJG6TErXN9y0TTdSsxxF/k7JtDtU3ZPlTMtjMyPOqbSF5KzDqfEfBt01igWFH8QeYIVQwN0 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:VI1PR0402MB3712.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(346002)(39860400002)(376002)(396003)(366004)(136003)(316002)(86362001)(5660300002)(66476007)(66556008)(186003)(52116002)(6512007)(66946007)(26005)(110136005)(54906003)(2906002)(8676002)(6486002)(16526019)(4326008)(83380400001)(8936002)(478600001)(1076003)(6506007)(956004)(2616005)(6666004);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: =?us-ascii?Q?Lc0geHSkV9/5VMumiA8b51bYar9P2fpAJ4zNRfuQ/pEdrj14BQ7plUMtixYa?= =?us-ascii?Q?MnjB7J0UkQXQ84Fp2tDucmlEP4SiYCvaJ0yO6xGGXOQ7t/zl6w22j8E4MD7P?= =?us-ascii?Q?pQDuKIWo3N77oDFzYkBuqjJ2KF73ijuJ1duLbWcadIeZXlnaU2idvN2GNbBS?= =?us-ascii?Q?5EX/VhjDpYie1sTigG1hiC1nzvFeaQgFMoyIIbOYYXZlrdwTON+4FD30zQJv?= =?us-ascii?Q?17Y7E1CkF3NHLBd9TV6nUkbniufPTVFMt4bnUKhz3TZQjNQobamtL6807u2r?= =?us-ascii?Q?ZP/kC5ObwTwcMcNZMSpbATjCiG3TpVdKaZ+xPtYVfhMnOid2ZwbHnvGSd1wl?= =?us-ascii?Q?o0c56CRTij7qQX/nYNRipezAMqCFBZ3f+M5+EO9lWYZ/c2IEhXO7k3Gbiufk?= =?us-ascii?Q?0yhysAFl3RJCjaiKlZLqoUGXO9SgtpivnGcA1bAPpOXKWLbj71GzBdT+SBxw?= =?us-ascii?Q?Poo4Awy0DIxUMx2lHAMbrTNUlEjD/VJw8jFUbku29GjJGe6+2zmlxd4EzZnx?= =?us-ascii?Q?E3fi1ka8CfHzSQ3owtwLCSZZgEh31Ch306utLEjyiGBpXaceoWxiGmPc/5nz?= =?us-ascii?Q?BkZzhiiz3xO9DOx/QUuDNf8nwoxNVnKj56+kwSPTrn7JpJcIM+TU5yR9Uzqp?= =?us-ascii?Q?QD6QJCuAfUkNhotP2selIFgjdgP7DKavubzwKuwGD8LUGtXsHY5RHw7Qnpxe?= =?us-ascii?Q?SInHpr6lZGT0EgbHK3CX+0HskJdGWPDSOXSIjDEeFwWEPGHXOzihBpRO8A4o?= =?us-ascii?Q?04uf2vplVUnMUeSqYYSKruRd1DBiuvz01pybyzgGJJ1y0E28llS/kNZqpGlu?= =?us-ascii?Q?m9VtVL55rhdHCaOlyuZoN+DGfbONLS3cMx/rnlqVHoBJ4N0QruzpccgO9snh?= =?us-ascii?Q?PBOGnPuACvD/YjlFR0lskDAzYuZDjgjRxGYL72xN1DmxmlsV9TE3dOo6Ketm?= =?us-ascii?Q?Odv2ukf0MV4VhLoVxkjQH6/663sSz9RvZaqBOc+37YU=3D?= X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1b07eabf-fdc7-4c33-71f8-08d891871229 X-MS-Exchange-CrossTenant-AuthSource: VI1PR0402MB3712.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Nov 2020 21:14:18.6042 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: pfZ6RnH5IdbZXDEwdq1JSoXwGS8ESOwBgu+e8Fi9sxYSZDyKk7r43yDNTrj91xQlTD8IWs6ef/wjOxGvhOcSDg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB6941 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Iuliana Prodan Some crypto backends might require the requests' private contexts to be allocated in DMA-able memory. Signed-off-by: Horia Geanta --- net/ipv4/esp4.c | 7 ++++++- net/ipv6/esp6.c | 7 ++++++- 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c index 8b07f3a4f2db..9edfb1012c3d 100644 --- a/net/ipv4/esp4.c +++ b/net/ipv4/esp4.c @@ -46,6 +46,7 @@ struct esp_output_extra { static void *esp_alloc_tmp(struct crypto_aead *aead, int nfrags, int extralen) { unsigned int len; + gfp_t gfp = GFP_ATOMIC; len = extralen; @@ -62,7 +63,11 @@ static void *esp_alloc_tmp(struct crypto_aead *aead, int nfrags, int extralen) len += sizeof(struct scatterlist) * nfrags; - return kmalloc(len, GFP_ATOMIC); + if (crypto_aead_reqsize(aead) && + (crypto_aead_get_flags(aead) & CRYPTO_TFM_REQ_DMA)) + gfp |= GFP_DMA; + + return kmalloc(len, gfp); } static inline void *esp_tmp_extra(void *tmp) diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c index 52c2f063529f..e9125e1234b5 100644 --- a/net/ipv6/esp6.c +++ b/net/ipv6/esp6.c @@ -63,6 +63,7 @@ struct esp_output_extra { static void *esp_alloc_tmp(struct crypto_aead *aead, int nfrags, int seqihlen) { unsigned int len; + gfp_t gfp = GFP_ATOMIC; len = seqihlen; @@ -79,7 +80,11 @@ static void *esp_alloc_tmp(struct crypto_aead *aead, int nfrags, int seqihlen) len += sizeof(struct scatterlist) * nfrags; - return kmalloc(len, GFP_ATOMIC); + if (crypto_aead_reqsize(aead) && + (crypto_aead_get_flags(aead) & CRYPTO_TFM_REQ_DMA)) + gfp |= GFP_DMA; + + return kmalloc(len, gfp); } static inline void *esp_tmp_extra(void *tmp) -- 2.17.1