i40e: make warning less verbose

The driver is un-necessarily printing a warning that is only marginally
useful to the user.  Make the warning only print if extended driver
string printing is enabled, other messages related to a reset event
will still continue to print.

Change-ID: I5e8beca6516a2f176cd2e72b0ac2b3b909e6c953
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 2fccd06..55a31ab 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -6148,9 +6148,9 @@ static void i40e_handle_mdd_event(struct i40e_pf *pf)
                                I40E_GL_MDET_TX_EVENT_SHIFT;
                u8 queue = (reg & I40E_GL_MDET_TX_QUEUE_MASK) >>
                                I40E_GL_MDET_TX_QUEUE_SHIFT;
-               dev_info(&pf->pdev->dev,
-                        "Malicious Driver Detection event 0x%02x on TX queue %d pf number 0x%02x vf number 0x%02x\n",
-                        event, queue, pf_num, vf_num);
+               if (netif_msg_tx_err(pf))
+                       dev_info(&pf->pdev->dev, "Malicious Driver Detection event 0x%02x on TX queue %d pf number 0x%02x vf number 0x%02x\n",
+                                event, queue, pf_num, vf_num);
                wr32(hw, I40E_GL_MDET_TX, 0xffffffff);
                mdd_detected = true;
        }
@@ -6162,9 +6162,9 @@ static void i40e_handle_mdd_event(struct i40e_pf *pf)
                                I40E_GL_MDET_RX_EVENT_SHIFT;
                u8 queue = (reg & I40E_GL_MDET_RX_QUEUE_MASK) >>
                                I40E_GL_MDET_RX_QUEUE_SHIFT;
-               dev_info(&pf->pdev->dev,
-                        "Malicious Driver Detection event 0x%02x on RX queue %d of function 0x%02x\n",
-                        event, queue, func);
+               if (netif_msg_rx_err(pf))
+                       dev_info(&pf->pdev->dev, "Malicious Driver Detection event 0x%02x on RX queue %d of function 0x%02x\n",
+                                event, queue, func);
                wr32(hw, I40E_GL_MDET_RX, 0xffffffff);
                mdd_detected = true;
        }
@@ -6173,17 +6173,13 @@ static void i40e_handle_mdd_event(struct i40e_pf *pf)
                reg = rd32(hw, I40E_PF_MDET_TX);
                if (reg & I40E_PF_MDET_TX_VALID_MASK) {
                        wr32(hw, I40E_PF_MDET_TX, 0xFFFF);
-                       dev_info(&pf->pdev->dev,
-                                "MDD TX event is for this function 0x%08x, requesting PF reset.\n",
-                                reg);
+                       dev_info(&pf->pdev->dev, "TX driver issue detected, PF reset issued\n");
                        pf_mdd_detected = true;
                }
                reg = rd32(hw, I40E_PF_MDET_RX);
                if (reg & I40E_PF_MDET_RX_VALID_MASK) {
                        wr32(hw, I40E_PF_MDET_RX, 0xFFFF);
-                       dev_info(&pf->pdev->dev,
-                                "MDD RX event is for this function 0x%08x, requesting PF reset.\n",
-                                reg);
+                       dev_info(&pf->pdev->dev, "RX driver issue detected, PF reset issued\n");
                        pf_mdd_detected = true;
                }
                /* Queue belongs to the PF, initiate a reset */
@@ -6200,14 +6196,16 @@ static void i40e_handle_mdd_event(struct i40e_pf *pf)
                if (reg & I40E_VP_MDET_TX_VALID_MASK) {
                        wr32(hw, I40E_VP_MDET_TX(i), 0xFFFF);
                        vf->num_mdd_events++;
-                       dev_info(&pf->pdev->dev, "MDD TX event on VF %d\n", i);
+                       dev_info(&pf->pdev->dev, "TX driver issue detected on VF %d\n",
+                                i);
                }
 
                reg = rd32(hw, I40E_VP_MDET_RX(i));
                if (reg & I40E_VP_MDET_RX_VALID_MASK) {
                        wr32(hw, I40E_VP_MDET_RX(i), 0xFFFF);
                        vf->num_mdd_events++;
-                       dev_info(&pf->pdev->dev, "MDD RX event on VF %d\n", i);
+                       dev_info(&pf->pdev->dev, "RX driver issue detected on VF %d\n",
+                                i);
                }
 
                if (vf->num_mdd_events > I40E_DEFAULT_NUM_MDD_EVENTS_ALLOWED) {