28 files changed, 295 insertions, 400 deletions

diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c
index cda25ac45b47..ca6b36220d94 100644
--- a/drivers/net/ethernet/broadcom/bnx2.c
+++ b/drivers/net/ethernet/broadcom/bnx2.c
@@ -6206,7 +6206,7 @@ bnx2_free_irq(struct bnx2 *bp)
 static void
 bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
 {
-        int i, total_vecs, rc;
+        int i, total_vecs;
         struct msix_entry msix_ent[BNX2_MAX_MSIX_VEC];
         struct net_device *dev = bp->dev;
         const int len = sizeof(bp->irq_tbl[0].name);
@@ -6229,16 +6229,9 @@ bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
 #ifdef BCM_CNIC
         total_vecs++;
 #endif
-        rc = -ENOSPC;
-        while (total_vecs >= BNX2_MIN_MSIX_VEC) {
-                rc = pci_enable_msix(bp->pdev, msix_ent, total_vecs);
-                if (rc <= 0)
-                        break;
-                if (rc > 0)
-                        total_vecs = rc;
-        }
-
-        if (rc != 0)
+        total_vecs = pci_enable_msix_range(bp->pdev, msix_ent,
+                                           BNX2_MIN_MSIX_VEC, total_vecs);
+        if (total_vecs < 0)
                 return;
 
         msix_vecs = total_vecs;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 9ded3dbb7678..8363b9de5004 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -1638,36 +1638,16 @@ int bnx2x_enable_msix(struct bnx2x *bp)
         DP(BNX2X_MSG_SP, "about to request enable msix with %d vectors\n",
            msix_vec);
 
-        rc = pci_enable_msix(bp->pdev, &bp->msix_table[0], msix_vec);
-
+        rc = pci_enable_msix_range(bp->pdev, &bp->msix_table[0],
+                                   BNX2X_MIN_MSIX_VEC_CNT(bp), msix_vec);
         /*
          * reconfigure number of tx/rx queues according to available
          * MSI-X vectors
          */
-        if (rc >= BNX2X_MIN_MSIX_VEC_CNT(bp)) {
-                /* how less vectors we will have? */
-                int diff = msix_vec - rc;
-
-                BNX2X_DEV_INFO("Trying to use less MSI-X vectors: %d\n", rc);
-
-                rc = pci_enable_msix(bp->pdev, &bp->msix_table[0], rc);
-
-                if (rc) {
-                        BNX2X_DEV_INFO("MSI-X is not attainable rc %d\n", rc);
-                        goto no_msix;
-                }
-                /*
-                 * decrease number of queues by number of unallocated entries
-                 */
-                bp->num_ethernet_queues -= diff;
-                bp->num_queues = bp->num_ethernet_queues + bp->num_cnic_queues;
-
-                BNX2X_DEV_INFO("New queue configuration set: %d\n",
-                               bp->num_queues);
-        } else if (rc > 0) {
+        if (rc == -ENOSPC) {
                 /* Get by with single vector */
-                rc = pci_enable_msix(bp->pdev, &bp->msix_table[0], 1);
-                if (rc) {
+                rc = pci_enable_msix_range(bp->pdev, &bp->msix_table[0], 1, 1);
+                if (rc < 0) {
                         BNX2X_DEV_INFO("Single MSI-X is not attainable rc %d\n",
                                        rc);
                         goto no_msix;
@@ -1680,8 +1660,22 @@ int bnx2x_enable_msix(struct bnx2x *bp)
                 bp->num_ethernet_queues = 1;
                 bp->num_queues = bp->num_ethernet_queues + bp->num_cnic_queues;
         } else if (rc < 0) {
-                BNX2X_DEV_INFO("MSI-X is not attainable  rc %d\n", rc);
+                BNX2X_DEV_INFO("MSI-X is not attainable rc %d\n", rc);
                 goto no_msix;
+        } else if (rc < msix_vec) {
+                /* how less vectors we will have? */
+                int diff = msix_vec - rc;
+
+                BNX2X_DEV_INFO("Trying to use less MSI-X vectors: %d\n", rc);
+
+                /*
+                 * decrease number of queues by number of unallocated entries
+                 */
+                bp->num_ethernet_queues -= diff;
+                bp->num_queues = bp->num_ethernet_queues + bp->num_cnic_queues;
+
+                BNX2X_DEV_INFO("New queue configuration set: %d\n",
+                               bp->num_queues);
         }
 
         bp->flags |= USING_MSIX_FLAG;
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 3167ed6593b0..6e5e7c0ffbd7 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -11362,12 +11362,10 @@ static bool tg3_enable_msix(struct tg3 *tp)
                 msix_ent[i].vector = 0;
         }
 
-        rc = pci_enable_msix(tp->pdev, msix_ent, tp->irq_cnt);
+        rc = pci_enable_msix_range(tp->pdev, msix_ent, 1, tp->irq_cnt);
         if (rc < 0) {
                 return false;
-        } else if (rc != 0) {
-                if (pci_enable_msix(tp->pdev, msix_ent, rc))
-                        return false;
+        } else if (rc < tp->irq_cnt) {
                 netdev_notice(tp->dev, "Requested %d MSI-X vectors, received %d\n",
                               tp->irq_cnt, rc);
                 tp->irq_cnt = rc;
diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c
index cf64f3d0b60d..bf436d0a1094 100644
--- a/drivers/net/ethernet/brocade/bna/bnad.c
+++ b/drivers/net/ethernet/brocade/bna/bnad.c
@@ -2666,9 +2666,11 @@ bnad_enable_msix(struct bnad *bnad)
         for (i = 0; i < bnad->msix_num; i++)
                 bnad->msix_table[i].entry = i;
 
-        ret = pci_enable_msix(bnad->pcidev, bnad->msix_table, bnad->msix_num);
-        if (ret > 0) {
+        ret = pci_enable_msix_range(bnad->pcidev, bnad->msix_table,
+