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path: root/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
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Diffstat (limited to 'drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c')
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c27
1 files changed, 22 insertions, 5 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
index e6978d79e62..e294f012647 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
@@ -1,7 +1,7 @@
/*******************************************************************************
*
* Intel Ethernet Controller XL710 Family Linux Virtual Function Driver
- * Copyright(c) 2013 Intel Corporation.
+ * Copyright(c) 2013 - 2014 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -43,6 +43,9 @@ static int i40evf_send_pf_msg(struct i40evf_adapter *adapter,
struct i40e_hw *hw = &adapter->hw;
i40e_status err;
+ if (adapter->flags & I40EVF_FLAG_PF_COMMS_FAILED)
+ return 0; /* nothing to see here, move along */
+
err = i40e_aq_send_msg_to_pf(hw, op, 0, msg, len, NULL);
if (err)
dev_err(&adapter->pdev->dev, "Unable to send opcode %d to PF, error %d, aq status %d\n",
@@ -651,6 +654,18 @@ void i40evf_request_stats(struct i40evf_adapter *adapter)
/* if the request failed, don't lock out others */
adapter->current_op = I40E_VIRTCHNL_OP_UNKNOWN;
}
+/**
+ * i40evf_request_reset
+ * @adapter: adapter structure
+ *
+ * Request that the PF reset this VF. No response is expected.
+ **/
+void i40evf_request_reset(struct i40evf_adapter *adapter)
+{
+ /* Don't check CURRENT_OP - this is always higher priority */
+ i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_RESET_VF, NULL, 0);
+ adapter->current_op = I40E_VIRTCHNL_OP_UNKNOWN;
+}
/**
* i40evf_virtchnl_completion
@@ -689,10 +704,12 @@ void i40evf_virtchnl_completion(struct i40evf_adapter *adapter,
}
break;
case I40E_VIRTCHNL_EVENT_RESET_IMPENDING:
- adapter->state = __I40EVF_RESETTING;
- schedule_work(&adapter->reset_task);
- dev_info(&adapter->pdev->dev,
- "%s: hardware reset pending\n", __func__);
+ dev_info(&adapter->pdev->dev, "PF reset warning received\n");
+ if (!(adapter->flags & I40EVF_FLAG_RESET_PENDING)) {
+ adapter->flags |= I40EVF_FLAG_RESET_PENDING;
+ dev_info(&adapter->pdev->dev, "Scheduling reset task\n");
+ schedule_work(&adapter->reset_task);
+ }
break;
default:
dev_err(&adapter->pdev->dev,