diff mbox series

[v4,net-next,1/3] net: mvneta: rely on page_pool_recycle_direct in mvneta_run_xdp

Message ID 5e6c462a912bcd6ba9284cd87272c5bff18fd4cf.1574083275.git.lorenzo@kernel.org
State Changes Requested
Delegated to: David Miller
Headers show
Series add DMA-sync-for-device capability to page_pool API | expand

Commit Message

Lorenzo Bianconi Nov. 18, 2019, 1:33 p.m. UTC 
Rely on page_pool_recycle_direct and not on xdp_return_buff in
mvneta_run_xdp. This is a preliminary patch to limit the dma sync len
to the one strictly necessary

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 drivers/net/ethernet/marvell/mvneta.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 12e03b15f0ab..f7713c2c68e1 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -2097,7 +2097,8 @@  mvneta_run_xdp(struct mvneta_port *pp, struct mvneta_rx_queue *rxq,
 		err = xdp_do_redirect(pp->dev, xdp, prog);
 		if (err) {
 			ret = MVNETA_XDP_DROPPED;
-			xdp_return_buff(xdp);
+			page_pool_recycle_direct(rxq->page_pool,
+						 virt_to_head_page(xdp->data));
 		} else {
 			ret = MVNETA_XDP_REDIR;
 		}
@@ -2106,7 +2107,8 @@  mvneta_run_xdp(struct mvneta_port *pp, struct mvneta_rx_queue *rxq,
 	case XDP_TX:
 		ret = mvneta_xdp_xmit_back(pp, xdp);
 		if (ret != MVNETA_XDP_TX)
-			xdp_return_buff(xdp);
+			page_pool_recycle_direct(rxq->page_pool,
+						 virt_to_head_page(xdp->data));
 		break;
 	default:
 		bpf_warn_invalid_xdp_action(act);