Signed-off-by: Jianming.qiao <kiki-g...@hotmail.com>
---
 drivers/net/ethernet/broadcom/bcmsysport.c | 52 +++++++++++++++++++++++++++---
 drivers/net/ethernet/broadcom/bcmsysport.h |  9 ++++--
 2 files changed, 55 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c 
b/drivers/net/ethernet/broadcom/bcmsysport.c
index 5274501..56f8951 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -662,6 +662,7 @@ static int bcm_sysport_alloc_rx_bufs(struct 
bcm_sysport_priv *priv)
 static unsigned int bcm_sysport_desc_rx(struct bcm_sysport_priv *priv,
                                        unsigned int budget)
 {
+       struct bcm_sysport_stats *stats64 = &priv->stats64;
        struct net_device *ndev = priv->netdev;
        unsigned int processed = 0, to_process;
        struct bcm_sysport_cb *cb;
@@ -765,6 +766,10 @@ static unsigned int bcm_sysport_desc_rx(struct 
bcm_sysport_priv *priv,
                skb->protocol = eth_type_trans(skb, ndev);
                ndev->stats.rx_packets++;
                ndev->stats.rx_bytes += len;
+               u64_stats_update_begin(&stats64->syncp);
+               stats64->rx_packets++;
+               stats64->rx_bytes += len;
+               u64_stats_update_end(&stats64->syncp);
 
                napi_gro_receive(&priv->napi, skb);
 next:
@@ -784,24 +789,31 @@ static void bcm_sysport_tx_reclaim_one(struct 
bcm_sysport_tx_ring *ring,
                                       unsigned int *pkts_compl)
 {
        struct bcm_sysport_priv *priv = ring->priv;
+       struct bcm_sysport_stats *stats64 = &priv->stats64;
        struct device *kdev = &priv->pdev->dev;
+       unsigned int len = 0;
 
        if (cb->skb) {
-               ring->bytes += cb->skb->len;
-               *bytes_compl += cb->skb->len;
+               len = cb->skb->len;
+               *bytes_compl += len;
                dma_unmap_single(kdev, dma_unmap_addr(cb, dma_addr),
                                 dma_unmap_len(cb, dma_len),
                                 DMA_TO_DEVICE);
-               ring->packets++;
                (*pkts_compl)++;
                bcm_sysport_free_cb(cb);
        /* SKB fragment */
        } else if (dma_unmap_addr(cb, dma_addr)) {
-               ring->bytes += dma_unmap_len(cb, dma_len);
+               len = dma_unmap_len(cb, dma_len);
                dma_unmap_page(kdev, dma_unmap_addr(cb, dma_addr),
                               dma_unmap_len(cb, dma_len), DMA_TO_DEVICE);
                dma_unmap_addr_set(cb, dma_addr, 0);
        }
+
+       u64_stats_update_begin(&stats64->syncp);
+       ring->bytes += len;
+       if (cb->skb)
+               ring->packets++;
+       u64_stats_update_end(&stats64->syncp);
 }
 
 /* Reclaim queued SKBs for transmission completion, lockless version */
@@ -1923,6 +1935,37 @@ static int bcm_sysport_stop(struct net_device *dev)
        return 0;
 }
 
+static void bcm_sysport_get_stats64(struct net_device *dev,
+                                   struct rtnl_link_stats64 *stats)
+{
+       struct bcm_sysport_priv *priv = netdev_priv(dev);
+       struct bcm_sysport_stats *stats64 = &priv->stats64;
+       struct bcm_sysport_tx_ring *ring;
+       u64 tx_packets = 0, tx_bytes = 0;
+       unsigned int start;
+       unsigned int q;
+
+       netdev_stats_to_stats64(stats, &dev->stats);
+
+       for (q = 0; q < dev->num_tx_queues; q++) {
+               ring = &priv->tx_rings[q];
+               do {
+                       start = u64_stats_fetch_begin_irq(&stats64->syncp);
+                       tx_bytes += ring->bytes;
+                       tx_packets += ring->packets;
+               } while (u64_stats_fetch_retry_irq(&stats64->syncp, start));
+       }
+
+       stats->tx_packets = tx_packets;
+       stats->tx_bytes = tx_bytes;
+
+       do {
+               start = u64_stats_fetch_begin_irq(&stats64->syncp);
+               stats->rx_packets = stats64->rx_packets;
+               stats->rx_bytes = stats64->rx_bytes;
+       } while (u64_stats_fetch_retry_irq(&stats64->syncp, start));
+}
+
 static const struct ethtool_ops bcm_sysport_ethtool_ops = {
        .get_drvinfo            = bcm_sysport_get_drvinfo,
        .get_msglevel           = bcm_sysport_get_msglvl,
@@ -1951,6 +1994,7 @@ static int bcm_sysport_stop(struct net_device *dev)
        .ndo_poll_controller    = bcm_sysport_poll_controller,
 #endif
        .ndo_get_stats          = bcm_sysport_get_nstats,
+       .ndo_get_stats64        = bcm_sysport_get_stats64,
 };
 
 #define REV_FMT        "v%2x.%02x"
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.h 
b/drivers/net/ethernet/broadcom/bcmsysport.h
index 77a51c1..c03a176 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.h
+++ b/drivers/net/ethernet/broadcom/bcmsysport.h
@@ -657,6 +657,9 @@ struct bcm_sysport_stats {
        enum bcm_sysport_stat_type type;
        /* reg offset from UMAC base for misc counters */
        u16 reg_offset;
+       u64     rx_packets;
+       u64     rx_bytes;
+       struct u64_stats_sync   syncp;
 };
 
 /* Software house keeping helper structure */
@@ -693,8 +696,8 @@ struct bcm_sysport_tx_ring {
        struct bcm_sysport_cb *cbs;     /* Transmit control blocks */
        struct dma_desc *desc_cpu;      /* CPU view of the descriptor */
        struct bcm_sysport_priv *priv;  /* private context backpointer */
-       unsigned long   packets;        /* packets statistics */
-       unsigned long   bytes;          /* bytes statistics */
+       u64     packets;                /* packets statistics */
+       u64     bytes;                  /* bytes statistics */
 };
 
 /* Driver private structure */
@@ -743,5 +746,7 @@ struct bcm_sysport_priv {
 
        /* Ethtool */
        u32                     msg_enable;
+       /* 64bit stats on 32bit/64bit Machine */
+       struct bcm_sysport_stats stats64;
 };
 #endif /* __BCM_SYSPORT_H */
-- 
1.9.1

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