ice: Ignore EMODE when setting PHY config

When setting the PHY cfg (CQ cmd 0x0601), if the firmware responds
with an EMODE error, software will ignore the error as it simply
means that manageability (ex: BMC) is in control of the link and that
the new setting may not be applied.
Signed-off-by: Chinh T Cao <chinh.t.cao@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/ice/ice_adminq_cmd.h

@@ -1826,6 +1826,7 @@ enum ice_aq_err {
 	ICE_AQ_RC_EINVAL	= 14, /* Invalid argument */
 	ICE_AQ_RC_ENOSPC	= 16, /* No space left or allocation failure */
 	ICE_AQ_RC_ENOSYS	= 17, /* Function not implemented */
+	ICE_AQ_RC_EMODE		= 21, /* Op not allowed in current dev mode */
 	ICE_AQ_RC_ENOSEC	= 24, /* Missing security manifest */
 	ICE_AQ_RC_EBADSIG	= 25, /* Bad RSA signature */
 	ICE_AQ_RC_ESVN		= 26, /* SVN number prohibits this package */

drivers/net/ethernet/intel/ice/ice_common.c

@@ -2232,6 +2232,7 @@ ice_aq_set_phy_cfg(struct ice_hw *hw, u8 lport,
 		   struct ice_aqc_set_phy_cfg_data *cfg, struct ice_sq_cd *cd)
 {
 	struct ice_aq_desc desc;
+	enum ice_status status;
 
 	if (!cfg)
 		return ICE_ERR_PARAM;
@@ -2260,7 +2261,11 @@ ice_aq_set_phy_cfg(struct ice_hw *hw, u8 lport,
 	ice_debug(hw, ICE_DBG_LINK, "eeer_value = 0x%x\n", cfg->eeer_value);
 	ice_debug(hw, ICE_DBG_LINK, "link_fec_opt = 0x%x\n", cfg->link_fec_opt);
 
-	return ice_aq_send_cmd(hw, &desc, cfg, sizeof(*cfg), cd);
+	status = ice_aq_send_cmd(hw, &desc, cfg, sizeof(*cfg), cd);
+	if (hw->adminq.sq_last_status == ICE_AQ_RC_EMODE)
+		status = 0;
+
+	return status;
 }
 
 /**

drivers/net/ethernet/intel/ice/ice_main.c

@@ -5159,6 +5159,8 @@ const char *ice_aq_str(enum ice_aq_err aq_err)
 		return "ICE_AQ_RC_ENOSPC";
 	case ICE_AQ_RC_ENOSYS:
 		return "ICE_AQ_RC_ENOSYS";
+	case ICE_AQ_RC_EMODE:
+		return "ICE_AQ_RC_EMODE";
 	case ICE_AQ_RC_ENOSEC:
 		return "ICE_AQ_RC_ENOSEC";
 	case ICE_AQ_RC_EBADSIG: