As result of deprecation of MSI-X/MSI enablement functions
pci_enable_msix() and pci_enable_msi_block() all drivers
using these two interfaces need to be updated to use the
new pci_enable_msi_range() and pci_enable_msix_range()
interfaces.
Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxx>
Cc: Ariel Elior <ariele@xxxxxxxxxxxx>
Cc: netdev@xxxxxxxxxxxxxxx
Cc: linux-pci@xxxxxxxxxxxxxxx
---
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 46 ++++++++++-------------
1 files changed, 20 insertions(+), 26 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 9ded3db..8363b9d 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;
--
1.7.7.6
--
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