[PATCH v2 1/3] examples/l3fwd: extend NUMA nodes limit beyond 8

[Liangxing Wang]

Hi,

Not sure for what reason, there wasn't any test check triggered by this patch. Do I have to submit a new patch version to trigger the tests? Thanks.

Regards,
Liangxing

> -----Original Message-----
> From: Liangxing Wang <wangliangxing at hygon.cn>
> Sent: 2026年1月8日 15:29
> To: thomas at monjalon.net; stephen at networkplumber.org;
> fengchengwen at huawei.com
> Cc: dev at dpdk.org; Liangxing Wang <wangliangxing at hygon.cn>;
> stable at dpdk.org
> Subject: [PATCH v2 1/3] examples/l3fwd: extend NUMA nodes limit beyond 8
> 
> For platforms with more than 8 NUMA nodes, examples l3fwd, l3fwd-graph,
> and l3fwd-power fail when using cores on NUMA node 8 or above.
> 
> Use RTE_MAX_NUMA_NODES instead of 8 to extend NUMA nodes limit.
> 
> Cc: stable at dpdk.org
> 
> Signed-off-by: Liangxing Wang <wangliangxing at hygon.cn>
> ---
>  examples/l3fwd-graph/main.c | 2 +-
>  examples/l3fwd-power/main.c | 2 +-
>  examples/l3fwd/l3fwd.h      | 2 +-
>  3 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/examples/l3fwd-graph/main.c b/examples/l3fwd-graph/main.c
> index 92cdaa1ebe..d77b5f4ef6 100644
> --- a/examples/l3fwd-graph/main.c
> +++ b/examples/l3fwd-graph/main.c
> @@ -56,7 +56,7 @@
> 
>  #define MAX_LCORE_PARAMS 1024
> 
> -#define NB_SOCKETS 8
> +#define NB_SOCKETS RTE_MAX_NUMA_NODES
> 
>  /* Graph module */
>  #define WORKER_MODEL_RTC "rtc"
> diff --git a/examples/l3fwd-power/main.c b/examples/l3fwd-power/main.c
> index ec12d1cc0b..534e438d0b 100644
> --- a/examples/l3fwd-power/main.c
> +++ b/examples/l3fwd-power/main.c
> @@ -115,7 +115,7 @@ RTE_LOG_REGISTER(l3fwd_power_logtype,
> l3fwd.power, INFO);
> 
>  #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
> 
> -#define NB_SOCKETS 8
> +#define NB_SOCKETS RTE_MAX_NUMA_NODES
> 
>  /* Configure how many packets ahead to prefetch, when reading packets */
>  #define PREFETCH_OFFSET	3
> diff --git a/examples/l3fwd/l3fwd.h b/examples/l3fwd/l3fwd.h index
> 471e3b488f..ca9d0d2dd0 100644
> --- a/examples/l3fwd/l3fwd.h
> +++ b/examples/l3fwd/l3fwd.h
> @@ -33,7 +33,7 @@
>  #define VECTOR_SIZE_DEFAULT   MAX_PKT_BURST
>  #define VECTOR_TMO_NS_DEFAULT 1E6 /* 1ms */
> 
> -#define NB_SOCKETS        8
> +#define NB_SOCKETS        RTE_MAX_NUMA_NODES
> 
>  /* Configure how many packets ahead to prefetch, when reading packets */
>  #define PREFETCH_OFFSET	  3
> --
> 2.43.0