igb: update ethtool stats to support multiqueue

Addesses problems seen earlier with igb driver not correctly reporting rx
and tx stats.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index a1431c8..5915efc 100644 (file)
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -158,6 +158,7 @@ struct igb_ring {
        union {
                /* TX */
                struct {
+                       struct igb_queue_stats tx_stats;
                        bool detect_tx_hung;
                };
                /* RX */

diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index 0447f9b..ed756c1 100644 (file)
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -96,10 +96,8 @@ static const struct igb_stats igb_gstrings_stats[] = {
 };
 
 #define IGB_QUEUE_STATS_LEN \
-       ((((((struct igb_adapter *)netdev->priv)->num_rx_queues > 1) ? \
-         ((struct igb_adapter *)netdev->priv)->num_rx_queues : 0) + \
-        (((((struct igb_adapter *)netdev->priv)->num_tx_queues > 1) ? \
-         ((struct igb_adapter *)netdev->priv)->num_tx_queues : 0))) * \
+       ((((struct igb_adapter *)netdev->priv)->num_rx_queues + \
+        ((struct igb_adapter *)netdev->priv)->num_tx_queues) * \
        (sizeof(struct igb_queue_stats) / sizeof(u64)))
 #define IGB_GLOBAL_STATS_LEN   \
        sizeof(igb_gstrings_stats) / sizeof(struct igb_stats)
@@ -1842,6 +1840,13 @@ static void igb_get_ethtool_stats(struct net_device *netdev,
                data[i] = (igb_gstrings_stats[i].sizeof_stat ==
                        sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
        }
+       for (j = 0; j < adapter->num_tx_queues; j++) {
+               int k;
+               queue_stat = (u64 *)&adapter->tx_ring[j].tx_stats;
+               for (k = 0; k < stat_count; k++)
+                       data[i + k] = queue_stat[k];
+               i += k;
+       }
        for (j = 0; j < adapter->num_rx_queues; j++) {
                int k;
                queue_stat = (u64 *)&adapter->rx_ring[j].rx_stats;

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index e11a5da..f975bfe 100644 (file)
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -3431,6 +3431,8 @@ done_cleaning:
        }
        tx_ring->total_bytes += total_bytes;
        tx_ring->total_packets += total_packets;
+       tx_ring->tx_stats.bytes += total_bytes;
+       tx_ring->tx_stats.packets += total_packets;
        adapter->net_stats.tx_bytes += total_bytes;
        adapter->net_stats.tx_packets += total_packets;
        return retval;