| From f383b2950070ce4f34e74db94f70bb565b746e97 Mon Sep 17 00:00:00 2001 |
| From: Lorenzo Bianconi <lorenzo@kernel.org> |
| 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 <lorenzo@kernel.org> |
| Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> |
| Signed-off-by: David S. Miller <davem@davemloft.net> |
| --- |
| drivers/net/ethernet/marvell/mvneta.c | 6 ++++-- |
| 1 file changed, 4 insertions(+), 2 deletions(-) |
| |
| --- a/drivers/net/ethernet/marvell/mvneta.c |
| +++ b/drivers/net/ethernet/marvell/mvneta.c |
| @@ -2110,7 +2110,8 @@ mvneta_run_xdp(struct mvneta_port *pp, s |
| 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; |
| } |
| @@ -2119,7 +2120,8 @@ mvneta_run_xdp(struct mvneta_port *pp, s |
| 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); |