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CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:satlexmb07.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(82310400026)(1800799024)(36860700013)(376014); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Nov 2025 15:52:13.7650 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 52002b65-22bb-492f-256e-08de29df1ae7 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF000044FB.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB7159 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 In `ip_fragmentation` application, Tx queues are configured per lcore to enable a lockless design and achieve optimal performance. The `MAX_TX_QUEUE_PER_PORT` macro, defined as `RTE_MAX_ETHPORTS`, introduced an artificial constraint on the number of Tx queues and limited core-scaling performance. This patch removes the unused `MAX_TX_QUEUE_PER_PORT` macro and redundant Tx queue check, allowing Tx queues to scale directly with the no. of lcores. Fixes: af75078fece3 ("first public release") Cc: stable@dpdk.org Signed-off-by: Sivaprasad Tummala --- examples/ip_fragmentation/main.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/examples/ip_fragmentation/main.c b/examples/ip_fragmentation/main.c index 1f84102844..9be2f72983 100644 --- a/examples/ip_fragmentation/main.c +++ b/examples/ip_fragmentation/main.c @@ -134,7 +134,6 @@ struct rx_queue { }; #define MAX_RX_QUEUE_PER_LCORE 16 -#define MAX_TX_QUEUE_PER_PORT 16 struct __rte_cache_aligned lcore_queue_conf { uint16_t n_rx_queue; uint16_t tx_queue_id[RTE_MAX_ETHPORTS]; @@ -948,8 +947,6 @@ main(int argc, char **argv) fflush(stdout); n_tx_queue = nb_lcores; - if (n_tx_queue > MAX_TX_QUEUE_PER_PORT) - n_tx_queue = MAX_TX_QUEUE_PER_PORT; ret = rte_eth_dev_configure(portid, 1, (uint16_t)n_tx_queue, &local_port_conf); if (ret < 0) { -- 2.43.0