diff options
Diffstat (limited to 'target/linux/mvebu/patches-5.4/013-net-mvneta-rely-on-page_pool_recycle_direct-in-mvnet.patch')
| -rw-r--r-- | target/linux/mvebu/patches-5.4/013-net-mvneta-rely-on-page_pool_recycle_direct-in-mvnet.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/target/linux/mvebu/patches-5.4/013-net-mvneta-rely-on-page_pool_recycle_direct-in-mvnet.patch b/target/linux/mvebu/patches-5.4/013-net-mvneta-rely-on-page_pool_recycle_direct-in-mvnet.patch new file mode 100644 index 0000000000..6e79aeb358 --- /dev/null +++ b/target/linux/mvebu/patches-5.4/013-net-mvneta-rely-on-page_pool_recycle_direct-in-mvnet.patch @@ -0,0 +1,39 @@ +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); |