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-rw-r--r--drivers/net/ethernet/intel/i40evf/i40evf_main.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
index e35e66ffa782..2797548fde0d 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
@@ -1412,6 +1412,14 @@ restart_watchdog:
1412 schedule_work(&adapter->adminq_task); 1412 schedule_work(&adapter->adminq_task);
1413} 1413}
1414 1414
1415/**
1416 * i40evf_configure_rss - increment to next available tx queue
1417 * @adapter: board private structure
1418 * @j: queue counter
1419 *
1420 * Helper function for RSS programming to increment through available
1421 * queus. Returns the next queue value.
1422 **/
1415static int next_queue(struct i40evf_adapter *adapter, int j) 1423static int next_queue(struct i40evf_adapter *adapter, int j)
1416{ 1424{
1417 j += 1; 1425 j += 1;
@@ -1451,10 +1459,14 @@ static void i40evf_configure_rss(struct i40evf_adapter *adapter)
1451 /* Populate the LUT with max no. of queues in round robin fashion */ 1459 /* Populate the LUT with max no. of queues in round robin fashion */
1452 j = adapter->vsi_res->num_queue_pairs; 1460 j = adapter->vsi_res->num_queue_pairs;
1453 for (i = 0; i <= I40E_VFQF_HLUT_MAX_INDEX; i++) { 1461 for (i = 0; i <= I40E_VFQF_HLUT_MAX_INDEX; i++) {
1454 lut = next_queue(adapter, j); 1462 j = next_queue(adapter, j);
1455 lut |= next_queue(adapter, j) << 8; 1463 lut = j;
1456 lut |= next_queue(adapter, j) << 16; 1464 j = next_queue(adapter, j);
1457 lut |= next_queue(adapter, j) << 24; 1465 lut |= j << 8;
1466 j = next_queue(adapter, j);
1467 lut |= j << 16;
1468 j = next_queue(adapter, j);
1469 lut |= j << 24;
1458 wr32(hw, I40E_VFQF_HLUT(i), lut); 1470 wr32(hw, I40E_VFQF_HLUT(i), lut);
1459 } 1471 }
1460 i40e_flush(hw); 1472 i40e_flush(hw);