e1000: add byte queue limits

Signed-off-by: Otto Estuardo Solares Cabrera <solca@galileo.edu>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 0ae2fcfa5124d39e925b741f72a54bfe5719661e..3a8368e42ede6fac743dfc195bb4475c457971e2 100644 (file)
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -2014,6 +2014,7 @@ static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
                e1000_unmap_and_free_tx_resource(adapter, buffer_info);
        }
 
+       netdev_reset_queue(adapter->netdev);
        size = sizeof(struct e1000_buffer) * tx_ring->count;
        memset(tx_ring->buffer_info, 0, size);
 
@@ -3262,6 +3263,7 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
                             nr_frags, mss);
 
        if (count) {
+               netdev_sent_queue(netdev, skb->len);
                skb_tx_timestamp(skb);
 
                e1000_tx_queue(adapter, tx_ring, tx_flags, count);
@@ -3849,6 +3851,7 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
        unsigned int i, eop;
        unsigned int count = 0;
        unsigned int total_tx_bytes=0, total_tx_packets=0;
+       unsigned int bytes_compl = 0, pkts_compl = 0;
 
        i = tx_ring->next_to_clean;
        eop = tx_ring->buffer_info[i].next_to_watch;
@@ -3866,6 +3869,11 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
                        if (cleaned) {
                                total_tx_packets += buffer_info->segs;
                                total_tx_bytes += buffer_info->bytecount;
+                               if (buffer_info->skb) {
+                                       bytes_compl += buffer_info->skb->len;
+                                       pkts_compl++;
+                               }
+
                        }
                        e1000_unmap_and_free_tx_resource(adapter, buffer_info);
                        tx_desc->upper.data = 0;
@@ -3879,6 +3887,8 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
 
        tx_ring->next_to_clean = i;
 
+       netdev_completed_queue(netdev, pkts_compl, bytes_compl);
+
 #define TX_WAKE_THRESHOLD 32
        if (unlikely(count && netif_carrier_ok(netdev) &&
                     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {