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

[fengchengwen]

Acked-by: Chengwen Feng <fengchengwen at huawei.com>

BTW: Other examples also defined the NB_SOCKTS (e.g. l3fwd-power/l3fwd-graph/ipsec-secgw),
     how about add more commits to fix.

On 12/26/2025 4:17 PM, Liangxing Wang wrote:
> For platforms with more than 8 NUMA nodes, the l3fwd example fails 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/l3fwd.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> 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