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authorAlan Brady <alan.brady@intel.com>2017-12-27 16:19:19 +0300
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2018-01-27 00:23:23 +0300
commit64e1dcbb581d31e411e10fa95d8963fb89d34bf2 (patch)
treea8748f91369b8310f7b0dcab6e29f1bc9ee26cfc
parentc61c8fe1d592552c34b189963036efbf68b93940 (diff)
downloadlinux-64e1dcbb581d31e411e10fa95d8963fb89d34bf2.tar.xz
i40e: fix FW_LLDP flag on init
Using ethtool --set-priv-flags disable-fw-lldp <on/off> is persistent across reboots/reloads so we need some mechanism in the driver to detect if it's on or off on init so we can set the ethtool private flag appropriately. Without this, every time the driver is reloaded the flag will default to off regardless of whether it's on or off in FW. We detect this by first attempting to program DCB and if AQ fails returning I40E_AQ_RC_EPERM, we know that LLDP is disabled in FW. Signed-off-by: Alan Brady <alan.brady@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_main.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index fdeaeb9d44e2..ed0870ff4be2 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -6351,6 +6351,9 @@ static int i40e_init_pf_dcb(struct i40e_pf *pf)
dev_dbg(&pf->pdev->dev,
"DCBX offload is supported for this PF.\n");
}
+ } else if (pf->hw.aq.asq_last_status == I40E_AQ_RC_EPERM) {
+ dev_info(&pf->pdev->dev, "FW LLDP disabled for this PF.\n");
+ pf->flags |= I40E_FLAG_DISABLE_FW_LLDP;
} else {
dev_info(&pf->pdev->dev,
"Query for DCB configuration failed, err %s aq_err %s\n",