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r8152: calculate the dropped packets for rx 

Continue dealing with the remain rx packets, even though the allocation
of the skb fail. This could calculate the correct dropped packets.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
hayeswang 2014-03-07 11:04:37 +08:00 committed by David S. Miller
parent 0c3121fcf1
commit 5e2f7485d2
1 changed files with 2 additions and 1 deletions
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3
drivers/net/usb/r8152.c
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@ -1456,7 +1456,7 @@ static void rx_bottom(struct r8152 *tp)
skb = netdev_alloc_skb_ip_align(netdev, pkt_len); skb = netdev_alloc_skb_ip_align(netdev, pkt_len);
if (!skb) { if (!skb) {
stats->rx_dropped++; stats->rx_dropped++;
break; goto find_next_rx;
} }
memcpy(skb->data, rx_data, pkt_len); memcpy(skb->data, rx_data, pkt_len);
skb_put(skb, pkt_len); skb_put(skb, pkt_len);
@ -1465,6 +1465,7 @@ static void rx_bottom(struct r8152 *tp)
stats->rx_packets++; stats->rx_packets++;
stats->rx_bytes += pkt_len; stats->rx_bytes += pkt_len;
find_next_rx:
rx_data = rx_agg_align(rx_data + pkt_len + CRC_SIZE); rx_data = rx_agg_align(rx_data + pkt_len + CRC_SIZE);
rx_desc = (struct rx_desc *)rx_data; rx_desc = (struct rx_desc *)rx_data;
len_used = (int)(rx_data - (u8 *)agg->head); len_used = (int)(rx_data - (u8 *)agg->head);