Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

Conflicts:

	drivers/isdn/i4l/isdn_net.c
	fs/cifs/connect.c

3 files changed, 60 insertions, 21 deletions

diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c
index fb7d243b1a2..b9611ade9ea 100644
--- a/drivers/infiniband/hw/nes/nes.c
+++ b/drivers/infiniband/hw/nes/nes.c
@@ -95,6 +95,10 @@ unsigned int wqm_quanta = 0x10000;
 module_param(wqm_quanta, int, 0644);
 MODULE_PARM_DESC(wqm_quanta, "WQM quanta");
 
+static unsigned int limit_maxrdreqsz;
+module_param(limit_maxrdreqsz, bool, 0644);
+MODULE_PARM_DESC(limit_maxrdreqsz, "Limit max read request size to 256 Bytes");
+
 LIST_HEAD(nes_adapter_list);
 static LIST_HEAD(nes_dev_list);
 
@@ -581,6 +585,18 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i
 						nesdev->nesadapter->port_count;
 	}
 
+	if ((limit_maxrdreqsz ||
+	     ((nesdev->nesadapter->phy_type[0] == NES_PHY_TYPE_GLADIUS) &&
+	      (hw_rev == NE020_REV1))) &&
+	    (pcie_get_readrq(pcidev) > 256)) {
+		if (pcie_set_readrq(pcidev, 256))
+			printk(KERN_ERR PFX "Unable to set max read request"
+				" to 256 bytes\n");
+		else
+			nes_debug(NES_DBG_INIT, "Max read request size set"
+				" to 256 bytes\n");
+	}
+
 	tasklet_init(&nesdev->dpc_tasklet, nes_dpc, (unsigned long)nesdev);
 
 	/* bring up the Control QP */
diff --git a/drivers/infiniband/hw/nes/nes_hw.h b/drivers/infiniband/hw/nes/nes_hw.h
index 610b9d85959..bc0b4de0445 100644
--- a/drivers/infiniband/hw/nes/nes_hw.h
+++ b/drivers/infiniband/hw/nes/nes_hw.h
@@ -40,6 +40,7 @@
 #define NES_PHY_TYPE_ARGUS     4
 #define NES_PHY_TYPE_PUMA_1G   5
 #define NES_PHY_TYPE_PUMA_10G  6
+#define NES_PHY_TYPE_GLADIUS   7
 
 #define NES_MULTICAST_PF_MAX 8
 
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 932e56fcf77..d36c9a0bf1b 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -220,14 +220,14 @@ static int nes_bind_mw(struct ib_qp *ibqp, struct ib_mw *ibmw,
 	if (nesqp->ibqp_state > IB_QPS_RTS)
 		return -EINVAL;
 
-		spin_lock_irqsave(&nesqp->lock, flags);
+	spin_lock_irqsave(&nesqp->lock, flags);
 
 	head = nesqp->hwqp.sq_head;
 	qsize = nesqp->hwqp.sq_tail;
 
 	/* Check for SQ overflow */
 	if (((head + (2 * qsize) - nesqp->hwqp.sq_tail) % qsize) == (qsize - 1)) {
-			spin_unlock_irqrestore(&nesqp->lock, flags);
+		spin_unlock_irqrestore(&nesqp->lock, flags);
 		return -EINVAL;
 	}
 
@@ -269,7 +269,7 @@ static int nes_bind_mw(struct ib_qp *ibqp, struct ib_mw *ibmw,
 	nes_write32(nesdev->regs+NES_WQE_ALLOC,
 			(1 << 24) | 0x00800000 | nesqp->hwqp.qp_id);
 
-		spin_unlock_irqrestore(&nesqp->lock, flags);
+	spin_unlock_irqrestore(&nesqp->lock, flags);
 
 	return 0;
 }
@@ -349,7 +349,7 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd,
 			if (nesfmr->nesmr.pbls_used > nesadapter->free_4kpbl) {
 				spin_unlock_irqrestore(&nesadapter->pbl_lock, flags);
 				ret = -ENOMEM;
-				goto failed_vpbl_alloc;
+				goto failed_vpbl_avail;
 			} else {
 				nesadapter->free_4kpbl -= nesfmr->nesmr.pbls_used;
 			}
@@ -357,7 +357,7 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd,
 			if (nesfmr->nesmr.pbls_used > nesadapter->free_256pbl) {
 				spin_unlock_irqrestore(&nesadapter->pbl_lock, flags);
 				ret = -ENOMEM;
-				goto failed_vpbl_alloc;
+				goto failed_vpbl_avail;
 			} else {
 				nesadapter->free_256pbl -= nesfmr->nesmr.pbls_used;
 			}
@@ -391,14 +391,14 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd,
 			goto failed_vpbl_alloc;
 		}
 
-		nesfmr->root_vpbl.leaf_vpbl = kzalloc(sizeof(*nesfmr->root_vpbl.leaf_vpbl)*1024, GFP_KERNEL);
+		nesfmr->leaf_pbl_cnt = nesfmr->nesmr.pbls_used-1;
+		nesfmr->root_vpbl.leaf_vpbl = kzalloc(sizeof(*nesfmr->root_vpbl.leaf_vpbl)*1024, GFP_ATOMIC);
 		if (!nesfmr->root_vpbl.leaf_vpbl) {
 			spin_unlock_irqrestore(&nesadapter->pbl_lock, flags);
 			ret = -ENOMEM;
 			goto failed_leaf_vpbl_alloc;
 		}
 
-		nesfmr->leaf_pbl_cnt = nesfmr->nesmr.pbls_used-1;
 		nes_debug(NES_DBG_MR, "two level pbl, root_vpbl.pbl_vbase=%p"
 				" leaf_pbl_cnt=%d root_vpbl.leaf_vpbl=%p\n",
 				nesfmr->root_vpbl.pbl_vbase, nesfmr->leaf_pbl_cnt, nesfmr->root_vpbl.leaf_vpbl);
@@ -519,6 +519,16 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd,
 				nesfmr->root_vpbl.pbl_pbase);
 
 	failed_vpbl_alloc:
+	if (nesfmr->nesmr.pbls_used != 0) {
+		spin_lock_irqsave(&nesadapter->pbl_lock, flags);
+		if (nesfmr->nesmr.pbl_4k)
+			nesadapter->free_4kpbl += nesfmr->nesmr.pbls_used;
+		else
+			nesadapter->free_256pbl += nesfmr->nesmr.pbls_used;
+		spin_unlock_irqrestore(&nesadapter->pbl_lock, flags);
+	}
+
+failed_vpbl_avail:
 	kfree(nesfmr);
 
 	failed_fmr_alloc:
@@ -534,18 +544,14 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd,
  */
 static int nes_dealloc_fmr(struct ib_fmr *ibfmr)
 {
+	unsigned long flags;
 	struct nes_mr *nesmr = to_nesmr_from_ibfmr(ibfmr);
 	struct nes_fmr *nesfmr = to_nesfmr(nesmr);
 	struct nes_vnic *nesvnic = to_nesvnic(ibfmr->device);
 	struct nes_device *nesdev = nesvnic->nesdev;
-	struct nes_mr temp_nesmr = *nesmr;
+	struct nes_adapter *nesadapter = nesdev->nesadapter;
 	int i = 0;
 
-	temp_nesmr.ibmw.device = ibfmr->device;
-	temp_nesmr.ibmw.pd = ibfmr->pd;
-	temp_nesmr.ibmw.rkey = ibfmr->rkey;
-	temp_nesmr.ibmw.uobject = NULL;
-
 	/* free the resources */
 	if (nesfmr->leaf_pbl_cnt == 0) {
 		/* single PBL case */
@@ -561,8 +567,24 @@ static int nes_dealloc_fmr(struct ib_fmr *ibfmr)
 		pci_free_consistent(nesdev->pcidev, 8192, nesfmr->root_vpbl.pbl_vbase,
 				nesfmr->root_vpbl.pbl_pbase);
 	}
+	nesmr->ibmw.device = ibfmr->device;
+	nesmr->ibmw.pd = ibfmr->pd;
+	nesmr->ibmw.rkey = ibfmr->rkey;
+	nesmr->ibmw.uobject = NULL;
 
-	return nes_dealloc_mw(&temp_nesmr.ibmw);
+	if (nesfmr->nesmr.pbls_used != 0) {
+		spin_lock_irqsave(&nesadapter->pbl_lock, flags);
+		if (nesfmr->nesmr.pbl_4k) {
+			nesadapter->free_4kpbl += nesfmr->nesmr.pbls_used;
+			WARN_ON(nesadapter->free_4kpbl > nesadapter->max_4kpbl);
+		} else {
+			nesadapter->free_256pbl += nesfmr->nesmr.pbls_used;
+			WARN_ON(nesadapter->free_256pbl > nesadapter->max_256pbl);
+		}
+		spin_unlock_irqrestore(&nesadapter->pbl_lock, flags);
+	}
+
+	return nes_dealloc_mw(&nesmr->ibmw);
 }
 
 
@@ -1595,7 +1617,7 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries,
 		nes_ucontext->mcrqf = req.mcrqf;
 		if (nes_ucontext->mcrqf) {
 			if (nes_ucontext->mcrqf & 0x80000000)
-				nescq->hw_cq.cq_number = nesvnic->nic.qp_id + 12 + (nes_ucontext->mcrqf & 0xf) - 1;
+				nescq->hw_cq.cq_number = nesvnic->nic.qp_id + 28 + 2 * ((nes_ucontext->mcrqf & 0xf) - 1);
 			else if (nes_ucontext->mcrqf & 0x40000000)
 				nescq->hw_cq.cq_number = nes_ucontext->mcrqf & 0xffff;
 			else
@@ -3212,7 +3234,7 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr,
 	if (nesqp->ibqp_state > IB_QPS_RTS)
 		return -EINVAL;
 
-		spin_lock_irqsave(&nesqp->lock, flags);
+	spin_lock_irqsave(&nesqp->lock, flags);
 
 	head = nesqp->hwqp.sq_head;
 
@@ -3337,7 +3359,7 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr,
 				(counter << 24) | 0x00800000 | nesqp->hwqp.qp_id);
 	}
 
-		spin_unlock_irqrestore(&nesqp->lock, flags);
+	spin_unlock_irqrestore(&nesqp->lock, flags);
 
 	if (err)
 		*bad_wr = ib_wr;
@@ -3368,7 +3390,7 @@ static int nes_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *ib_wr,
 	if (nesqp->ibqp_state > IB_QPS_RTS)
 		return -EINVAL;
 
-		spin_lock_irqsave(&nesqp->lock, flags);
+	spin_lock_irqsave(&nesqp->lock, flags);
 
 	head = nesqp->hwqp.rq_head;
 
@@ -3421,7 +3443,7 @@ static int nes_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *ib_wr,
 		nes_write32(nesdev->regs+NES_WQE_ALLOC, (counter<<24) | nesqp->hwqp.qp_id);
 	}
 
-		spin_unlock_irqrestore(&nesqp->lock, flags);
+	spin_unlock_irqrestore(&nesqp->lock, flags);
 
 	if (err)
 		*bad_wr = ib_wr;
@@ -3453,7 +3475,7 @@ static int nes_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry)
 
 	nes_debug(NES_DBG_CQ, "\n");
 
-		spin_lock_irqsave(&nescq->lock, flags);
+	spin_lock_irqsave(&nescq->lock, flags);
 
 	head = nescq->hw_cq.cq_head;
 	cq_size = nescq->hw_cq.cq_size;
@@ -3562,7 +3584,7 @@ static int nes_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry)
 	nes_debug(NES_DBG_CQ, "Reporting %u completions for CQ%u.\n",
 			cqe_count, nescq->hw_cq.cq_number);
 
-		spin_unlock_irqrestore(&nescq->lock, flags);
+	spin_unlock_irqrestore(&nescq->lock, flags);
 
 	return cqe_count;
 }