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

[Liangxing Wang <wangliangxing@hygon.cn>]

Thanks for the reminder. Noticed that too. Maybe I can use another commit to cover all other examples that need modification.

Regards,
Liangxing

> -----Original Message-----
> From: fengchengwen <fengchengwen@huawei.com>
> Sent: 2025年12月27日 16:53
> To: Liangxing Wang <wangliangxing@hygon.cn>; dev@dpdk.org
> Cc: stable@dpdk.org
> Subject: Re: [PATCH] examples/l3fwd: extend NUMA nodes limit beyond 8
> 
> Acked-by: Chengwen Feng <fengchengwen@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@dpdk.org
> >
> > Signed-off-by: Liangxing Wang <wangliangxing@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
>