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authorMitch Williams <mitch.a.williams@intel.com>2014-06-04 08:22:41 +0400
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2014-06-26 15:44:59 +0400
commit56f9920a952130a7cd20952b3525bc238a87e489 (patch)
tree760e89d5e73adb596b214ff6c57df1d284e89d57 /drivers/net/ethernet/intel/i40evf
parent3f2ab1721f77935eb4ee50b78c6ecfe24b3a2648 (diff)
downloadlinux-56f9920a952130a7cd20952b3525bc238a87e489.tar.xz
i40evf: resend FW request if no response
Sometimes the firmware will not indicate an error but fail to pass a message between the VF and the PF driver. If this happens, just resend the request. This fixes an initialization failure if many VFs are instantiated at the same time and the VF module is autoloaded. Change-ID: Idd1ad8da2fd5137859244685c355941427d317d7 Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/i40evf')
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40evf_main.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
index 7138ab483625..8082a9fa5d10 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
@@ -2018,6 +2018,10 @@ static void i40evf_init_task(struct work_struct *work)
if (err) {
dev_info(&pdev->dev, "Unable to verify API version (%d), retrying\n",
err);
+ if (err == I40E_ERR_ADMIN_QUEUE_NO_WORK) {
+ dev_info(&pdev->dev, "Resending request\n");
+ err = i40evf_send_api_ver(adapter);
+ }
goto err;
}
err = i40evf_send_vf_config_msg(adapter);