igc: Move igc_xdp_is_enabled()

Move the helper igc_xdp_is_enabled() to igc_xdp.h so it can be reused in
igc_xdp.c by upcoming patches that will introduce AF_XDP zero-copy
support to the driver.
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
Signed-off-by: Vedang Patel <vedang.patel@intel.com>
Signed-off-by: Jithu Joseph <jithu.joseph@intel.com>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

drivers/net/ethernet/intel/igc/igc_main.c

@@ -515,11 +515,6 @@ static int igc_setup_all_rx_resources(struct igc_adapter *adapter)
 	return err;
 }
 
-static bool igc_xdp_is_enabled(struct igc_adapter *adapter)
-{
-	return !!adapter->xdp_prog;
-}
-
 /**
  * igc_configure_rx_ring - Configure a receive ring after Reset
  * @adapter: board private structure

drivers/net/ethernet/intel/igc/igc_xdp.h

@@ -10,4 +10,9 @@ int igc_xdp_set_prog(struct igc_adapter *adapter, struct bpf_prog *prog,
 int igc_xdp_register_rxq_info(struct igc_ring *ring);
 void igc_xdp_unregister_rxq_info(struct igc_ring *ring);
 
+static inline bool igc_xdp_is_enabled(struct igc_adapter *adapter)
+{
+	return !!adapter->xdp_prog;
+}
+
 #endif /* _IGC_XDP_H_ */