diff mbox series

[v2,2/5] examples/l3fwd: remove redundant Tx queue limit

Message ID 20251122155156.1385975-2-sivaprasad.tummala@amd.com (mailing list archive)
State New
Delegated to: Thomas Monjalon
Headers
Series examples/l3fwd-graph: remove redundant Tx queue limit |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/aws-unit-testing success Unit Testing PASS

Commit Message

Sivaprasad Tummala Nov. 22, 2025, 3:51 p.m. UTC 
In `l3fwd` 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.

Signed-off-by: Sivaprasad Tummala <sivaprasad.tummala@amd.com>
---
 examples/l3fwd/main.c | 3 ---
 1 file changed, 3 deletions(-)
diff mbox series

Patch

diff --git a/examples/l3fwd/main.c b/examples/l3fwd/main.c
index ae3b4f6439..bdf59b5399 100644
--- a/examples/l3fwd/main.c
+++ b/examples/l3fwd/main.c
@@ -49,7 +49,6 @@ 
 #include "l3fwd_event.h"
 #include "l3fwd_route.h"
 
-#define MAX_TX_QUEUE_PER_PORT RTE_MAX_LCORE
 #define MAX_RX_QUEUE_PER_PORT 128
 
 #define MAX_LCORE_PARAMS 1024
@@ -1341,8 +1340,6 @@  l3fwd_poll_resource_setup(void)
 
 		nb_rx_queue = get_port_n_rx_queues(portid);
 		n_tx_queue = nb_lcores;
-		if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
-			n_tx_queue = MAX_TX_QUEUE_PER_PORT;
 		printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
 			nb_rx_queue, (unsigned)n_tx_queue );