veth: move xdp stats in a dedicated structure

Move xdp stats in veth_stats data structure. This is a preliminary patch
to align xdp statistics to mlx5, ixgbe and mvneta drivers

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index d4cbb9e8c63f62f8dcb40806f959a5ad0b9e7d7d..33e23bbde5bf516444746cb418cce2d3d9c434e7 100644 (file)
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -40,10 +40,14 @@
 
 #define VETH_XDP_TX_BULK_SIZE  16
 
+struct veth_stats {
+       u64     xdp_packets;
+       u64     xdp_bytes;
+       u64     xdp_drops;
+};
+
 struct veth_rq_stats {
-       u64                     xdp_packets;
-       u64                     xdp_bytes;
-       u64                     xdp_drops;
+       struct veth_stats       vs;
        struct u64_stats_sync   syncp;
 };
 
@@ -80,7 +84,7 @@ struct veth_q_stat_desc {
        size_t  offset;
 };
 
-#define VETH_RQ_STAT(m)        offsetof(struct veth_rq_stats, m)
+#define VETH_RQ_STAT(m)        offsetof(struct veth_stats, m)
 
 static const struct veth_q_stat_desc veth_rq_stats_desc[] = {
        { "xdp_packets",        VETH_RQ_STAT(xdp_packets) },
@@ -155,7 +159,7 @@ static void veth_get_ethtool_stats(struct net_device *dev,
        idx = 1;
        for (i = 0; i < dev->real_num_rx_queues; i++) {
                const struct veth_rq_stats *rq_stats = &priv->rq[i].stats;
-               const void *stats_base = (void *)rq_stats;
+               const void *stats_base = (void *)&rq_stats->vs;
                unsigned int start;
                size_t offset;
 
@@ -283,7 +287,7 @@ static u64 veth_stats_tx(struct net_device *dev, u64 *packets, u64 *bytes)
        return atomic64_read(&priv->dropped);
 }
 
-static void veth_stats_rx(struct veth_rq_stats *result, struct net_device *dev)
+static void veth_stats_rx(struct veth_stats *result, struct net_device *dev)
 {
        struct veth_priv *priv = netdev_priv(dev);
        int i;
@@ -298,9 +302,9 @@ static void veth_stats_rx(struct veth_rq_stats *result, struct net_device *dev)
 
                do {
                        start = u64_stats_fetch_begin_irq(&stats->syncp);
-                       packets = stats->xdp_packets;
-                       bytes = stats->xdp_bytes;
-                       drops = stats->xdp_drops;
+                       packets = stats->vs.xdp_packets;
+                       bytes = stats->vs.xdp_bytes;
+                       drops = stats->vs.xdp_drops;
                } while (u64_stats_fetch_retry_irq(&stats->syncp, start));
                result->xdp_packets += packets;
                result->xdp_bytes += bytes;
@@ -313,7 +317,7 @@ static void veth_get_stats64(struct net_device *dev,
 {
        struct veth_priv *priv = netdev_priv(dev);
        struct net_device *peer;
-       struct veth_rq_stats rx;
+       struct veth_stats rx;
        u64 packets, bytes;
 
        tot->tx_dropped = veth_stats_tx(dev, &packets, &bytes);
@@ -740,9 +744,9 @@ static int veth_xdp_rcv(struct veth_rq *rq, int budget, unsigned int *xdp_xmit,
        }
 
        u64_stats_update_begin(&rq->stats.syncp);
-       rq->stats.xdp_packets += done;
-       rq->stats.xdp_bytes += bytes;
-       rq->stats.xdp_drops += drops;
+       rq->stats.vs.xdp_packets += done;
+       rq->stats.vs.xdp_bytes += bytes;
+       rq->stats.vs.xdp_drops += drops;
        u64_stats_update_end(&rq->stats.syncp);
 
        return done;