+typedef enum vnet_hw_interface_flags_t_
+{
+ VNET_HW_INTERFACE_FLAG_NONE,
+ /* Hardware link state is up. */
+ VNET_HW_INTERFACE_FLAG_LINK_UP = (1 << 0),
+ /* Hardware duplex state */
+ VNET_HW_INTERFACE_FLAG_HALF_DUPLEX = (1 << 1),
+ VNET_HW_INTERFACE_FLAG_FULL_DUPLEX = (1 << 2),
+
+ /* non-broadcast multiple access */
+ VNET_HW_INTERFACE_FLAG_NBMA = (1 << 19),
+} vnet_hw_interface_flags_t;
+
+typedef enum vnet_hw_interface_capabilities_t_
+{
+ VNET_HW_INTERFACE_CAP_NONE,
+
+ /* tx checksum offload */
+ VNET_HW_INTERFACE_CAP_SUPPORTS_TX_IP4_CKSUM = (1 << 0),
+ VNET_HW_INTERFACE_CAP_SUPPORTS_TX_TCP_CKSUM = (1 << 1),
+ VNET_HW_INTERFACE_CAP_SUPPORTS_TX_UDP_CKSUM = (1 << 2),
+ VNET_HW_INTERFACE_CAP_SUPPORTS_TX_IP4_OUTER_CKSUM = (1 << 3),
+ VNET_HW_INTERFACE_CAP_SUPPORTS_TX_UDP_OUTER_CKSUM = (1 << 4),
+
+ /* rx checksum offload */
+ VNET_HW_INTERFACE_CAP_SUPPORTS_RX_IP4_CKSUM = (1 << 5),
+ VNET_HW_INTERFACE_CAP_SUPPORTS_RX_UDP_CKSUM = (1 << 6),
+ VNET_HW_INTERFACE_CAP_SUPPORTS_RX_TCP_CKSUM = (1 << 7),
+ VNET_HW_INTERFACE_CAP_SUPPORTS_RX_IP4_OUTER_CKSUM = (1 << 8),
+ VNET_HW_INTERFACE_CAP_SUPPORTS_RX_UDP_OUTER_CKSUM = (1 << 9),
+
+ /* gso */
+ VNET_HW_INTERFACE_CAP_SUPPORTS_TCP_GSO = (1 << 10),
+ VNET_HW_INTERFACE_CAP_SUPPORTS_UDP_GSO = (1 << 11),
+ VNET_HW_INTERFACE_CAP_SUPPORTS_VXLAN_TNL_GSO = (1 << 12),
+ VNET_HW_INTERFACE_CAP_SUPPORTS_IPIP_TNL_GSO = (1 << 13),
+ VNET_HW_INTERFACE_CAP_SUPPORTS_GENEVE_TNL_GSO = (1 << 14),
+ VNET_HW_INTERFACE_CAP_SUPPORTS_GRE_TNL_GSO = (1 << 15),
+ VNET_HW_INTERFACE_CAP_SUPPORTS_UDP_TNL_GSO = (1 << 16),
+ VNET_HW_INTERFACE_CAP_SUPPORTS_IP_TNL_GSO = (1 << 17),
+
+ /* lro */
+ VNET_HW_INTERFACE_CAP_SUPPORTS_TCP_LRO = (1 << 18),
+
+ /* rx mode */
+ VNET_HW_INTERFACE_CAP_SUPPORTS_INT_MODE = (1 << 30),
+ /* hw/driver can switch between l2-promisc and l3-dmac-filter modes */
+ VNET_HW_INTERFACE_CAP_SUPPORTS_MAC_FILTER = (1 << 31),
+} vnet_hw_interface_capabilities_t;
+
+#define VNET_HW_INTERFACE_CAP_SUPPORTS_L4_TX_CKSUM \
+ (VNET_HW_INTERFACE_CAP_SUPPORTS_TX_TCP_CKSUM | \
+ VNET_HW_INTERFACE_CAP_SUPPORTS_TX_UDP_CKSUM)
+
+#define VNET_HW_INTERFACE_CAP_SUPPORTS_TX_CKSUM \
+ (VNET_HW_INTERFACE_CAP_SUPPORTS_TX_IP4_CKSUM | \
+ VNET_HW_INTERFACE_CAP_SUPPORTS_TX_TCP_CKSUM | \
+ VNET_HW_INTERFACE_CAP_SUPPORTS_TX_UDP_CKSUM)
+
+#define VNET_HW_INTERFACE_CAP_SUPPORTS_L4_RX_CKSUM \
+ (VNET_HW_INTERFACE_CAP_SUPPORTS_RX_TCP_CKSUM | \
+ VNET_HW_INTERFACE_CAP_SUPPORTS_RX_UDP_CKSUM)
+
+#define VNET_HW_INTERFACE_CAP_SUPPORTS_RX_CKSUM \
+ (VNET_HW_INTERFACE_CAP_SUPPORTS_RX_IP4_CKSUM | \
+ VNET_HW_INTERFACE_CAP_SUPPORTS_RX_TCP_CKSUM | \
+ VNET_HW_INTERFACE_CAP_SUPPORTS_RX_UDP_CKSUM)
+
+#define VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT 1
+#define VNET_HW_INTERFACE_FLAG_SPEED_SHIFT 3
+#define VNET_HW_INTERFACE_FLAG_DUPLEX_MASK \
+ (VNET_HW_INTERFACE_FLAG_HALF_DUPLEX | \
+ VNET_HW_INTERFACE_FLAG_FULL_DUPLEX)
+
+typedef struct
+{
+ /* hw interface index */
+ u32 hw_if_index;
+
+ /* device instance */
+ u32 dev_instance;
+
+ /* index of thread pollling this queue */
+ u32 thread_index;
+
+ /* file index of queue interrupt line */
+ u32 file_index;
+
+ /* hardware queue identifier */
+ u32 queue_id;
+
+ /* mode */
+ vnet_hw_if_rx_mode mode : 8;
+#define VNET_HW_IF_RXQ_THREAD_ANY ~0
+#define VNET_HW_IF_RXQ_NO_RX_INTERRUPT ~0
+} vnet_hw_if_rx_queue_t;
+