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CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc6edge2.nvidia.com; CAT:NONE; SFS:(13230031)(82310400017)(36860700004)(376005)(1800799015); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 May 2024 07:24:39.5630 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: db7780a7-7245-4a15-58a6-08dc80799151 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.161]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF00026367.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4115 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org To optimize AES-GCM IPsec operation within crypto/mlx5, the DPDK API typically supplies AES_GCM AAD/Payload/Digest in separate locations, potentially disrupting their contiguous layout. In cases where the memory layout fails to meet hardware (HW) requirements, an UMR WQE is initiated ahead of the GCM's GGA WQE to establish a continuous AAD/Payload/Digest virtual memory space for the HW MMU. For IPsec scenarios, where the memory layout consistently adheres to the fixed order of AAD/IV/Payload/Digest, directly shrinking memory for AAD proves more efficient than preparing a UMR WQE. To address this, a new devarg "crypto_mode" with mode "ipsec_opt" is introduced in the commit, offering an optimization hint specifically for IPsec cases. When enabled, the PMD copies AAD directly before Payload in the enqueue_burst function instead of employing the UMR WQE. Subsequently, in the dequeue_burst function, the overridden IV before Payload is restored from the GGA WQE. It's crucial for users to avoid utilizing the input mbuf data during processing. Suanming Mou (2): crypto/mlx5: optimize AES-GCM IPsec operation crypto/mlx5: add out of place mode for IPsec operation doc/guides/cryptodevs/mlx5.rst | 23 +++ doc/guides/rel_notes/release_24_07.rst | 4 + drivers/crypto/mlx5/mlx5_crypto.c | 22 ++- drivers/crypto/mlx5/mlx5_crypto.h | 19 ++ drivers/crypto/mlx5/mlx5_crypto_gcm.c | 245 +++++++++++++++++++++++-- 5 files changed, 292 insertions(+), 21 deletions(-) -- 2.34.1