ef4_ 36 drivers/net/ethernet/sfc/falcon/ethtool.c &((struct ef4_##source_name *)0)->field) ? \ ef4_ 37 drivers/net/ethernet/sfc/falcon/ethtool.c offsetof(struct ef4_##source_name, field) : \ ef4_ 38 drivers/net/ethernet/sfc/falcon/ethtool.c offsetof(struct ef4_##source_name, field)), \