[PATCH v4 2/5] bpf: use bulk free on filtered packets

[Marat Khalili]

> -----Original Message-----
> From: Stephen Hemminger <stephen at networkplumber.org>
> Sent: Tuesday 4 November 2025 16:07
> To: dev at dpdk.org
> Cc: Stephen Hemminger <stephen at networkplumber.org>; Konstantin Ananyev <konstantin.ananyev at huawei.com>
> Subject: [PATCH v4 2/5] bpf: use bulk free on filtered packets
> 
> When rte_pktmbuf_free_bulk is faster because it does single
> mempool operation rather than per-packet.
> 
> Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
> ---
>  lib/bpf/bpf_pkt.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/lib/bpf/bpf_pkt.c b/lib/bpf/bpf_pkt.c
> index 01f813c56b..087ac0f244 100644
> --- a/lib/bpf/bpf_pkt.c
> +++ b/lib/bpf/bpf_pkt.c
> @@ -177,8 +177,7 @@ apply_filter(struct rte_mbuf *mb[], const uint64_t rc[], uint32_t num,
> 
>  	if (drop != 0) {
>  		/* free filtered out mbufs */
> -		for (i = 0; i != k; i++)
> -			rte_pktmbuf_free(dr[i]);
> +		rte_pktmbuf_free_bulk(dr, k);
>  	} else {
>  		/* copy filtered out mbufs beyond good ones */
>  		for (i = 0; i != k; i++)
> --
> 2.51.0

Reviewed-by: Marat Khalili <marat.khalili at huawei.com>