staging: most: add statistics for dropped packets

This patch adds a counter for dropped packets. It needed for statistical
analysis.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/most/aim-network/networking.c b/drivers/staging/most/aim-network/networking.c
index 3c7beb0..2f42de4 100644 (file)
--- a/drivers/staging/most/aim-network/networking.c
+++ b/drivers/staging/most/aim-network/networking.c
@@ -431,6 +431,7 @@ static int aim_rx_data(struct mbo *mbo)
        u32 len = mbo->processed_length;
        struct sk_buff *skb;
        struct net_device *dev;
+       unsigned int skb_len;
 
        nd = get_net_dev_context(mbo->ifp);
        if (!nd || !nd->channels_opened || nd->rx.ch_id != mbo->hdm_channel_id)
@@ -482,9 +483,13 @@ static int aim_rx_data(struct mbo *mbo)
 
        memcpy(skb_put(skb, len), buf, len);
        skb->protocol = eth_type_trans(skb, dev);
-       dev->stats.rx_packets++;
-       dev->stats.rx_bytes += skb->len;
-       netif_rx(skb);
+       skb_len = skb->len;
+       if (netif_rx(skb) == NET_RX_SUCCESS) {
+               dev->stats.rx_packets++;
+               dev->stats.rx_bytes += skb_len;
+       } else {
+               dev->stats.rx_dropped++;
+       }
 
 out:
        most_put_mbo(mbo);