vxlan: Use helper functions to update stats

Use the helper functions dev_sw_netstats_rx_add() and
dev_sw_netstats_tx_add() to update stats, which helps to
provide code readability.

Signed-off-by: Li Zetao <lizetao1@huawei.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c
index 2bddcdf..e463f59 100644 (file)
--- a/drivers/net/vxlan/vxlan_core.c
+++ b/drivers/net/vxlan/vxlan_core.c
@@ -2328,14 +2328,11 @@ static void vxlan_encap_bypass(struct sk_buff *skb, struct vxlan_dev *src_vxlan,
                               struct vxlan_dev *dst_vxlan, __be32 vni,
                               bool snoop)
 {
-       struct pcpu_sw_netstats *tx_stats, *rx_stats;
        union vxlan_addr loopback;
        union vxlan_addr *remote_ip = &dst_vxlan->default_dst.remote_ip;
        struct net_device *dev;
        int len = skb->len;
 
-       tx_stats = this_cpu_ptr(src_vxlan->dev->tstats);
-       rx_stats = this_cpu_ptr(dst_vxlan->dev->tstats);
        skb->pkt_type = PACKET_HOST;
        skb->encapsulation = 0;
        skb->dev = dst_vxlan->dev;
@@ -2361,17 +2358,11 @@ static void vxlan_encap_bypass(struct sk_buff *skb, struct vxlan_dev *src_vxlan,
        if ((dst_vxlan->cfg.flags & VXLAN_F_LEARN) && snoop)
                vxlan_snoop(dev, &loopback, eth_hdr(skb)->h_source, 0, vni);
 
-       u64_stats_update_begin(&tx_stats->syncp);
-       u64_stats_inc(&tx_stats->tx_packets);
-       u64_stats_add(&tx_stats->tx_bytes, len);
-       u64_stats_update_end(&tx_stats->syncp);
+       dev_sw_netstats_tx_add(src_vxlan->dev, 1, len);
        vxlan_vnifilter_count(src_vxlan, vni, NULL, VXLAN_VNI_STATS_TX, len);
 
        if (__netif_rx(skb) == NET_RX_SUCCESS) {
-               u64_stats_update_begin(&rx_stats->syncp);
-               u64_stats_inc(&rx_stats->rx_packets);
-               u64_stats_add(&rx_stats->rx_bytes, len);
-               u64_stats_update_end(&rx_stats->syncp);
+               dev_sw_netstats_rx_add(dst_vxlan->dev, len);
                vxlan_vnifilter_count(dst_vxlan, vni, NULL, VXLAN_VNI_STATS_RX,
                                      len);
        } else {