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net: mvneta: rely on page_pool_recycle_direct in mvneta_run_xdp

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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>
This commit is contained in:
Lorenzo Bianconi 2019-11-20 16:54:17 +02:00 committed by David S. Miller
parent cec2975f2b
commit f383b29500
1 changed files with 4 additions and 2 deletions
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6
drivers/net/ethernet/marvell/mvneta.c
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@ -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);