bna: Fix for TX queue

Change Details:
	- Call netif_wake_queue() if we have freed up sufficient elements
	at the end of completion processing
	- Add netif_queue_stopped counter back to bnad_drv_stats {}
	- Get netif_queue_stopped value from stack
	- Remove BUG_ON() on value returned by pci_unmap_addr()

Signed-off-by: Debashis Dutt <ddutt@brocade.com>
Signed-off-by: Rasesh Mody <rmody@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/net/bna/bnad_ethtool.c b/drivers/net/bna/bnad_ethtool.c
index 3011110c202..99be5ae9199 100644
--- a/drivers/net/bna/bnad_ethtool.c
+++ b/drivers/net/bna/bnad_ethtool.c
@@ -68,6 +68,7 @@ static char *bnad_net_stats_strings[BNAD_ETHTOOL_STATS_NUM] = {
 
         "netif_queue_stop",
         "netif_queue_wakeup",
+        "netif_queue_stopped",
         "tso4",
         "tso6",
         "tso_err",
@@ -1180,6 +1181,9 @@ bnad_get_ethtool_stats(struct net_device *netdev, struct ethtool_stats *stats,
 
         bi = sizeof(*net_stats64) / sizeof(u64);
 
+        /* Get netif_queue_stopped from stack */
+        bnad->stats.drv_stats.netif_queue_stopped = netif_queue_stopped(netdev);
+
         /* Fill driver stats into ethtool buffers */
         stats64 = (u64 *)&bnad->stats.drv_stats;
         for (i = 0; i < sizeof(struct bnad_drv_stats) / sizeof(u64); i++)