ice: SW DCB, report correct max TC value

lldpad is using the value reported in the DCB config for
max_tc as the max allowed number of TCs, not the current
max.  ICE driver was reporting it as current maximum TC.

Change DCB_NL function to report maximum TC allowed by
this device.

Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_nl.c b/drivers/net/ethernet/intel/ice/ice_dcb_nl.c
index 589b820..c4c1241 100644 (file)
--- a/drivers/net/ethernet/intel/ice/ice_dcb_nl.c
+++ b/drivers/net/ethernet/intel/ice/ice_dcb_nl.c
@@ -100,14 +100,7 @@ static int ice_dcbnl_setets(struct net_device *netdev, struct ieee_ets *ets)
                goto ets_out;
        }
 
-       /* max_tc is a 1-8 value count of number of TC's, not a 0-7 value
-        * for the TC's index number.  Add one to value if not zero, and
-        * for zero set it to the FW's default value
-        */
-       if (max_tc)
-               max_tc++;
-       else
-               max_tc = IEEE_8021QAZ_MAX_TCS;
+       max_tc = pf->hw.func_caps.common_cap.maxtc;
 
        new_cfg->etscfg.maxtcs = max_tc;