[参考译文] PROCESSOR-SDK-AM64X：AM64x ICSSG 多播地址处理

/*!
 * \brief Host port membership.
 *
 * Indicates host port membership.
 */
#define ICSSG_FDB_ENTRY_P0_MEMBERSHIP         (ENET_BIT(0U))

/*!
 * \brief Physical port 1 membership.
 *
 * Indicates that MAC ID is connected to physical port 1.
 */
#define ICSSG_FDB_ENTRY_P1_MEMBERSHIP         (ENET_BIT(1U))

/*!
 * \brief Physical port 2 membership.
 *
 * Indicates that MAC ID is connected to physical port 2.
 */
#define ICSSG_FDB_ENTRY_P2_MEMBERSHIP         (ENET_BIT(2U))

/*!
 * \brief Ageable bit.
 *
 * Ageable bit is set for learned entries and cleared for static entries.
 */
#define ICSSG_FDB_ENTRY_AGEABLE               (ENET_BIT(3U))

/*!
 * \brief Block bit.
 *
 * If set for SA then packet is dropped (can be used to implement a blacklist).
 * If set for DA then packet is determined to be a special packet.
 */
#define ICSSG_FDB_ENTRY_BLOCK                 (ENET_BIT(4U))

/*!
 * \brief Secure bit.
 *
 * If set for DA then the SA from the packet is not learned.
 */
#define ICSSG_FDB_ENTRY_SECURE                (ENET_BIT(5U))

/*!
 * \brief Touched bit.
 *
 * If set, it means packet has been seen recently with source address + FID
 * matching MAC address/FID of entry.
 */
#define ICSSG_FDB_ENTRY_TOUCHED               (ENET_BIT(6U))

/*!
 * \brief Valid bit.
 *
 * Set if entry is valid.
 */
#define ICSSG_FDB_ENTRY_VALID                 (ENET_BIT(7U))