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path: root/drivers/net/cxgb3/sge.c
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Diffstat (limited to 'drivers/net/cxgb3/sge.c')
-rw-r--r--drivers/net/cxgb3/sge.c35
1 files changed, 15 insertions, 20 deletions
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index 9ca8c66abd16..979f3fc5e765 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -1059,6 +1059,14 @@ static void write_tx_pkt_wr(struct adapter *adap, struct sk_buff *skb,
1059 htonl(V_WR_TID(q->token))); 1059 htonl(V_WR_TID(q->token)));
1060} 1060}
1061 1061
1062static inline void t3_stop_queue(struct net_device *dev, struct sge_qset *qs,
1063 struct sge_txq *q)
1064{
1065 netif_stop_queue(dev);
1066 set_bit(TXQ_ETH, &qs->txq_stopped);
1067 q->stops++;
1068}
1069
1062/** 1070/**
1063 * eth_xmit - add a packet to the Ethernet Tx queue 1071 * eth_xmit - add a packet to the Ethernet Tx queue
1064 * @skb: the packet 1072 * @skb: the packet
@@ -1090,31 +1098,18 @@ int t3_eth_xmit(struct sk_buff *skb, struct net_device *dev)
1090 ndesc = calc_tx_descs(skb); 1098 ndesc = calc_tx_descs(skb);
1091 1099
1092 if (unlikely(credits < ndesc)) { 1100 if (unlikely(credits < ndesc)) {
1093 if (!netif_queue_stopped(dev)) { 1101 t3_stop_queue(dev, qs, q);
1094 netif_stop_queue(dev); 1102 dev_err(&adap->pdev->dev,
1095 set_bit(TXQ_ETH, &qs->txq_stopped); 1103 "%s: Tx ring %u full while queue awake!\n",
1096 q->stops++; 1104 dev->name, q->cntxt_id & 7);
1097 dev_err(&adap->pdev->dev,
1098 "%s: Tx ring %u full while queue awake!\n",
1099 dev->name, q->cntxt_id & 7);
1100 }
1101 spin_unlock(&q->lock); 1105 spin_unlock(&q->lock);
1102 return NETDEV_TX_BUSY; 1106 return NETDEV_TX_BUSY;
1103 } 1107 }
1104 1108
1105 q->in_use += ndesc; 1109 q->in_use += ndesc;
1106 if (unlikely(credits - ndesc < q->stop_thres)) { 1110 if (unlikely(credits - ndesc < q->stop_thres))
1107 q->stops++; 1111 if (USE_GTS || !should_restart_tx(q))
1108 netif_stop_queue(dev); 1112 t3_stop_queue(dev, qs, q);
1109 set_bit(TXQ_ETH, &qs->txq_stopped);
1110#if !USE_GTS
1111 if (should_restart_tx(q) &&
1112 test_and_clear_bit(TXQ_ETH, &qs->txq_stopped)) {
1113 q->restarts++;
1114 netif_wake_queue(dev);
1115 }
1116#endif
1117 }
1118 1113
1119 gen = q->gen; 1114 gen = q->gen;
1120 q->unacked += ndesc; 1115 q->unacked += ndesc;