---

yaml
---
r: 134359
b: refs/heads/master
c: ed8af6b
h: refs/heads/master
i:
  134357: 86372ab
  134355: a9d8932
  134351: bcda6ac
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0ecc103aec454288cbaa5a33d8960ab3467e8a11
+refs/heads/master: ed8af6b288c0643dfe0ad91f1bfc8c56c0d307cc

trunk/drivers/net/enic/enic.h

@@ -33,7 +33,7 @@
 
 #define DRV_NAME		"enic"
 #define DRV_DESCRIPTION		"Cisco 10G Ethernet Driver"
-#define DRV_VERSION		"1.0.0.648"
+#define DRV_VERSION		"1.0.0.933"
 #define DRV_COPYRIGHT		"Copyright 2008 Cisco Systems, Inc"
 #define PFX			DRV_NAME ": "
 

trunk/drivers/net/enic/enic_main.c

@@ -400,10 +400,13 @@ static irqreturn_t enic_isr_legacy(int irq, void *data)
 		return IRQ_NONE;	/* not our interrupt */
 	}
 
-	if (ENIC_TEST_INTR(pba, ENIC_INTX_NOTIFY))
+	if (ENIC_TEST_INTR(pba, ENIC_INTX_NOTIFY)) {
+		vnic_intr_return_all_credits(&enic->intr[ENIC_INTX_NOTIFY]);
 		enic_notify_check(enic);
+	}
 
 	if (ENIC_TEST_INTR(pba, ENIC_INTX_ERR)) {
+		vnic_intr_return_all_credits(&enic->intr[ENIC_INTX_ERR]);
 		enic_log_q_error(enic);
 		/* schedule recovery from WQ/RQ error */
 		schedule_work(&enic->reset);
@@ -476,6 +479,8 @@ static irqreturn_t enic_isr_msix_err(int irq, void *data)
 {
 	struct enic *enic = data;
 
+	vnic_intr_return_all_credits(&enic->intr[ENIC_MSIX_ERR]);
+
 	enic_log_q_error(enic);
 
 	/* schedule recovery from WQ/RQ error */
@@ -488,8 +493,8 @@ static irqreturn_t enic_isr_msix_notify(int irq, void *data)
 {
 	struct enic *enic = data;
 
+	vnic_intr_return_all_credits(&enic->intr[ENIC_MSIX_NOTIFY]);
 	enic_notify_check(enic);
-	vnic_intr_unmask(&enic->intr[ENIC_MSIX_NOTIFY]);
 
 	return IRQ_HANDLED;
 }
@@ -616,7 +621,7 @@ static inline void enic_queue_wq_skb(struct enic *enic,
 			vlan_tag_insert, vlan_tag);
 }
 
-/* netif_tx_lock held, process context with BHs disabled */
+/* netif_tx_lock held, process context with BHs disabled, or BH */
 static int enic_hard_start_xmit(struct sk_buff *skb, struct net_device *netdev)
 {
 	struct enic *enic = netdev_priv(netdev);
@@ -1069,7 +1074,7 @@ static int enic_poll(struct napi_struct *napi, int budget)
 			lro_flush_all(&enic->lro_mgr);
 
 		napi_complete(napi);
-		vnic_intr_unmask(&enic->intr[ENIC_MSIX_RQ]);
+		vnic_intr_unmask(&enic->intr[ENIC_INTX_WQ_RQ]);
 	}
 
 	return rq_work_done;
@@ -1095,9 +1100,9 @@ static int enic_poll_msix(struct napi_struct *napi, int budget)
 
 		vnic_rq_fill(&enic->rq[0], enic_rq_alloc_buf);
 
-		/* Accumulate intr event credits for this polling
+		/* Return intr event credits for this polling
 		 * cycle.  An intr event is the completion of a
-		 * a WQ or RQ packet.
+		 * RQ packet.
 		 */
 
 		vnic_intr_return_credits(&enic->intr[ENIC_MSIX_RQ],

trunk/drivers/net/enic/vnic_intr.h

@@ -76,6 +76,20 @@ static inline void vnic_intr_return_credits(struct vnic_intr *intr,
 	iowrite32(int_credit_return, &intr->ctrl->int_credit_return);
 }
 
+static inline unsigned int vnic_intr_credits(struct vnic_intr *intr)
+{
+	return ioread32(&intr->ctrl->int_credits);
+}
+
+static inline void vnic_intr_return_all_credits(struct vnic_intr *intr)
+{
+	unsigned int credits = vnic_intr_credits(intr);
+	int unmask = 1;
+	int reset_timer = 1;
+
+	vnic_intr_return_credits(intr, credits, unmask, reset_timer);
+}
+
 static inline u32 vnic_intr_legacy_pba(u32 __iomem *legacy_pba)
 {
 	/* read PBA without clearing */