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authorDave Ertman <david.m.ertman@intel.com>2020-11-20 16:38:35 -0800
committerTony Nguyen <anthony.l.nguyen@intel.com>2021-02-22 11:28:57 -0800
commit0d4907f65dc8fc5e897ad19956fca1acb3b33bc8 (patch)
tree13c2a0e753d3e7536fd4a833e68d54ad342b1ead /drivers/net/ethernet/intel/ice/ice_dcb_nl.c
parenta6aa7c8f998f4afddd73410aa043dad38162ce9e (diff)
ice: Fix state bits on LLDP mode switch
DCBX_CAP bits were not being adjusted when switching between SW and FW controlled LLDP. Adjust bits to correctly indicate which mode the LLDP logic is in. Fixes: b94b013eb626 ("ice: Implement DCBNL support") Signed-off-by: Dave Ertman <david.m.ertman@intel.com> Tested-by: Tony Brelinski <tonyx.brelinski@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_dcb_nl.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_dcb_nl.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_nl.c b/drivers/net/ethernet/intel/ice/ice_dcb_nl.c
index 299bf7edbf82..468a63f7eff9 100644
--- a/drivers/net/ethernet/intel/ice/ice_dcb_nl.c
+++ b/drivers/net/ethernet/intel/ice/ice_dcb_nl.c
@@ -159,6 +159,10 @@ static u8 ice_dcbnl_setdcbx(struct net_device *netdev, u8 mode)
struct ice_pf *pf = ice_netdev_to_pf(netdev);
struct ice_qos_cfg *qos_cfg;
+ /* if FW LLDP agent is running, DCBNL not allowed to change mode */
+ if (test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags))
+ return ICE_DCB_NO_HW_CHG;
+
/* No support for LLD_MANAGED modes or CEE+IEEE */
if ((mode & DCB_CAP_DCBX_LLD_MANAGED) ||
((mode & DCB_CAP_DCBX_VER_IEEE) && (mode & DCB_CAP_DCBX_VER_CEE)) ||