From: Ioana Ciornei <ioana.ciornei@nxp.com>
Date: Mon, 25 Mar 2019 13:42:39 +0000 (+0000)
Subject: dpaa2-eth: use netif_receive_skb_list
X-Git-Tag: v5.15~6431^2~309
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0a25d92c6f4facaf2852f1aac4cebfe01dd57a91;p=platform%2Fkernel%2Flinux-starfive.git

dpaa2-eth: use netif_receive_skb_list

Take advantage of the software Rx batching by using
netif_receive_skb_list instead of napi_gro_receive.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index 2ba49e9..e923e5c 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -435,7 +435,7 @@ static void dpaa2_eth_rx(struct dpaa2_eth_priv *priv,
 	percpu_stats->rx_packets++;
 	percpu_stats->rx_bytes += dpaa2_fd_get_len(fd);
 
-	napi_gro_receive(&ch->napi, skb);
+	list_add_tail(&skb->list, ch->rx_list);
 
 	return;
 
@@ -1108,12 +1108,16 @@ static int dpaa2_eth_poll(struct napi_struct *napi, int budget)
 	struct dpaa2_eth_fq *fq, *txc_fq = NULL;
 	struct netdev_queue *nq;
 	int store_cleaned, work_done;
+	struct list_head rx_list;
 	int err;
 
 	ch = container_of(napi, struct dpaa2_eth_channel, napi);
 	ch->xdp.res = 0;
 	priv = ch->priv;
 
+	INIT_LIST_HEAD(&rx_list);
+	ch->rx_list = &rx_list;
+
 	do {
 		err = pull_channel(ch);
 		if (unlikely(err))
@@ -1157,6 +1161,8 @@ static int dpaa2_eth_poll(struct napi_struct *napi, int budget)
 	work_done = max(rx_cleaned, 1);
 
 out:
+	netif_receive_skb_list(ch->rx_list);
+
 	if (txc_fq && txc_fq->dq_frames) {
 		nq = netdev_get_tx_queue(priv->net_dev, txc_fq->flowid);
 		netdev_tx_completed_queue(nq, txc_fq->dq_frames,
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
index 7879622..a11ebfd 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
@@ -334,6 +334,7 @@ struct dpaa2_eth_channel {
 	struct dpaa2_eth_ch_stats stats;
 	struct dpaa2_eth_ch_xdp xdp;
 	struct xdp_rxq_info xdp_rxq;
+	struct list_head *rx_list;
 };
 
 struct dpaa2_eth_dist_fields {