From f383b2950070ce4f34e74db94f70bb565b746e97 Mon Sep 17 00:00:00 2001 From: Lorenzo Bianconi Date: Wed, 20 Nov 2019 16:54:17 +0200 Subject: [PATCH] net: mvneta: rely on page_pool_recycle_direct in mvneta_run_xdp 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 Acked-by: Jesper Dangaard Brouer Signed-off-by: David S. Miller --- drivers/net/ethernet/marvell/mvneta.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 12e03b1..f7713c2 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); -- 2.7.4