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DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Aug 2023 08:18:07.8311 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3668634d-e90e-4c77-af07-08dba6d62526 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.160]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000EE3E.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB6461 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 The new symmetric hash function swap src/dst L3 address and L4 ports automatically by sorting. Signed-off-by: Xueming Li Acked-by: Ori Kam Acked-by: Ferruh Yigit --- lib/ethdev/rte_flow.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/lib/ethdev/rte_flow.h b/lib/ethdev/rte_flow.h index 2ebb76dbc0..4f4421ca50 100644 --- a/lib/ethdev/rte_flow.h +++ b/lib/ethdev/rte_flow.h @@ -3196,6 +3196,13 @@ enum rte_eth_hash_function { * src or dst address will xor with zero pair. */ RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ, + /** + * Symmetric Toeplitz: L3 and L4 fields are sorted prior to + * the hash function. + * If src_ip > dst_ip, swap src_ip and dst_ip. + * If src_port > dst_port, swap src_port and dst_port. + */ + RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ_SORT, RTE_ETH_HASH_FUNCTION_MAX, };