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Date: Tue, 19 May 2020 17:04:11 -0700 From: Jeff Kirsher <jeffrey.t.kirsher@...el.com> To: davem@...emloft.net Cc: Andre Guedes <andre.guedes@...el.com>, netdev@...r.kernel.org, nhorman@...hat.com, sassmann@...hat.com, Aaron Brown <aaron.f.brown@...el.com>, Jeff Kirsher <jeffrey.t.kirsher@...el.com> Subject: [net-next 06/14] igc: Return -EOPNOTSUPP when VLAN mask doesn't match From: Andre Guedes <andre.guedes@...el.com> The I225 controller supports Rx queue assignment based on VLAN priority only. Other Tag Control Information (TCI) are valid, but not supported by the driver. So this patch changes the returning code from igc_add_ ethtool_nfc_entry() to -EOPNOTSUPP in order to provide more meaningful information on why the function failed. It also adds a debug messages to give the user a hint about what went wrong with the NFC setup. Signed-off-by: Andre Guedes <andre.guedes@...el.com> Tested-by: Aaron Brown <aaron.f.brown@...el.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com> --- drivers/net/ethernet/intel/igc/igc_ethtool.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c index 19da9dc8dafb..f28f7feb39a5 100644 --- a/drivers/net/ethernet/intel/igc/igc_ethtool.c +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -1446,7 +1446,8 @@ static int igc_add_ethtool_nfc_entry(struct igc_adapter *adapter, if ((fsp->flow_type & FLOW_EXT) && fsp->m_ext.vlan_tci) { if (fsp->m_ext.vlan_tci != htons(VLAN_PRIO_MASK)) { - err = -EINVAL; + netdev_dbg(netdev, "VLAN mask not supported\n"); + err = -EOPNOTSUPP; goto err_out; } input->filter.vlan_tci = fsp->h_ext.vlan_tci; -- 2.26.2
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