diff mbox series

[net-next,v2,2/2] net: ethernet: mtk_eth_soc: use PP exclusively for XDP programs

Message ID 20240729183038.1959-3-eladwf@gmail.com (mailing list archive)
State New
Headers show
Series net: ethernet: mtk_eth_soc: improve RX performance | expand

Commit Message

Elad Yifee July 29, 2024, 6:29 p.m. UTC 
PP allocations and XDP code path traversal are unnecessary
when no XDP program is loaded.
Prevent that by simply not creating the pool.
This change boosts driver performance for this use case,
allowing the CPU to handle about 13% more packets/sec.

Signed-off-by: Elad Yifee <eladwf@gmail.com>
---
 drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 4d0052dbe3f4..2d1a48287c73 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -2644,7 +2644,7 @@  static int mtk_rx_alloc(struct mtk_eth *eth, int ring_no, int rx_flag)
 	if (!ring->data)
 		return -ENOMEM;
 
-	if (mtk_page_pool_enabled(eth)) {
+	if (mtk_page_pool_enabled(eth) && rcu_access_pointer(eth->prog)) {
 		struct page_pool *pp;
 
 		pp = mtk_create_page_pool(eth, &ring->xdp_q, ring_no,