From patchwork Wed Jun 12 13:46:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bharat Bhushan X-Patchwork-Id: 13695013 X-Patchwork-Delegate: kuba@kernel.org Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) (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 3E03617D8B0; Wed, 12 Jun 2024 13:46:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=67.231.148.174 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718200004; cv=none; b=ju1DzUJYgNroQ90Xs7bCCcujzlZFUIF19Dn5c9DWFMeZDOQ12CE2ao1+CQzuL7+4mTIcDvBJG9vkGD5/58esN2cUG8kzIQSQxTMUgzKVg6oxwAgw6h5rk15P/t0OJUrP4H7AdT60RkLG/zAcvUkbk2o9/kqzSSXR7jqLqyqSCTs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718200004; c=relaxed/simple; bh=HIsXKak4myaF77luhn0CUtjKAUGTcQ0It6dOSzQBOLQ=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=GNtAgZ8WXdFzfLwrTetdq6FBArghnOZdsshDNkExN8zFHmldDreRhNsrL0n2cfEt0+HCzTuEXNyxKQMJyAU0ekX7J3N9ZV0r+cMQ+ZdtmnWDr0y0lVi1RlQugqztU+7EGh+2BvcjSCdG1v6PRv2URa+6AaNgC2dFzUzu8/S9bds= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=marvell.com; spf=pass smtp.mailfrom=marvell.com; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b=jy4V4ERG; arc=none smtp.client-ip=67.231.148.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=marvell.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=marvell.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b="jy4V4ERG" Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 45CAbbLn016777; Wed, 12 Jun 2024 06:46:37 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=pfpt0220; bh=B hnHh/JpPAcj1s1x841oMiqX3u4Ui69weo3oOd3w4XM=; b=jy4V4ERGQWq7wKB6y SJjWmmQ9NQEHzrH7ayY472g9uLTRP3Leq77J8a8rvu3B4fOfoVbP2kTJ+Gw6Ucnu tvVrFEOPh8WIVO3wEfwNRUajVG4+GK9Fb9mEDFi1hWWCjlujxRr1gyxj4BHMnhIv hIGuxnce5OWmIb9tGXKRJ5SfaOCyJ4xMgd5xP5alOu/QSUm/IqvJatvfIPxY5BL6 5/8l69Set3wodlzzA+UgdDqkMDDBG2hni9XsBCbsC99WFGtZ8uird8lECuY7fgl4 NpnFymnbOPQrIl1AVklRJdQhMGnQhDPVQKoXCuqUq8xwGRoHgku8ju+5R9jIagYD hiZDQ== Received: from dc6wp-exch02.marvell.com ([4.21.29.225]) by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 3yq8qx0u34-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 12 Jun 2024 06:46:36 -0700 (PDT) Received: from DC6WP-EXCH02.marvell.com (10.76.176.209) by DC6WP-EXCH02.marvell.com (10.76.176.209) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Wed, 12 Jun 2024 06:46:35 -0700 Received: from bharat-OptiPlex-3070.marvell.com (10.69.176.80) by DC6WP-EXCH02.marvell.com (10.76.176.209) with Microsoft SMTP Server id 15.2.1544.4 via Frontend Transport; Wed, 12 Jun 2024 06:46:30 -0700 From: Bharat Bhushan To: , , , , , , , , , , , , CC: Subject: [net-next,v4 1/8] octeontx2-pf: map skb data as device writeable Date: Wed, 12 Jun 2024 19:16:15 +0530 Message-ID: <20240612134622.2157086-2-bbhushan2@marvell.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240612134622.2157086-1-bbhushan2@marvell.com> References: <20240612134622.2157086-1-bbhushan2@marvell.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-GUID: R1hPvG-bmpCpUiYr9N6vLZ25oiV9l4DV X-Proofpoint-ORIG-GUID: R1hPvG-bmpCpUiYr9N6vLZ25oiV9l4DV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-12_07,2024-06-12_02,2024-05-17_01 X-Patchwork-Delegate: kuba@kernel.org Crypto hardware need write permission when doing inline in-place encrypt or decrypt operation on skb-data. So map this memory as device read-write. Signed-off-by: Bharat Bhushan --- drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c index a16e9f244117..847052b57d9b 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c @@ -98,7 +98,7 @@ static dma_addr_t otx2_dma_map_skb_frag(struct otx2_nic *pfvf, offset = skb_frag_off(frag); *len = skb_frag_size(frag); } - return otx2_dma_map_page(pfvf, page, offset, *len, DMA_TO_DEVICE); + return otx2_dma_map_page(pfvf, page, offset, *len, DMA_BIDIRECTIONAL); } static void otx2_dma_unmap_skb_frags(struct otx2_nic *pfvf, struct sg_list *sg) @@ -107,7 +107,7 @@ static void otx2_dma_unmap_skb_frags(struct otx2_nic *pfvf, struct sg_list *sg) for (seg = 0; seg < sg->num_segs; seg++) { otx2_dma_unmap_page(pfvf, sg->dma_addr[seg], - sg->size[seg], DMA_TO_DEVICE); + sg->size[seg], DMA_BIDIRECTIONAL); } sg->num_segs = 0; }