[PATCH v3 2/5] bpf: use bulk free on filtered packets

[Stephen Hemminger <stephen@networkplumber.org>]

When rte_pktmbuf_free_bulk is faster because it does single
mempool operation rather than per-packet.

Signed-off-by: Stephen Hemminger <stephen@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