interface: rx queue infra rework, part one

Type: improvement
Change-Id: I4008cadfd5141f921afbdc09a3ebcd1dcf88eb29
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/src/vnet/interface.h b/src/vnet/interface.h
index 71d6a775708..03c65d769ee 100644
--- a/src/vnet/interface.h
+++ b/src/vnet/interface.h
@@ -525,6 +525,29 @@ typedef enum vnet_hw_interface_flags_t_
   (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;
+
 /* Hardware-interface.  This corresponds to a physical wire
    that packets flow over. */
 typedef struct vnet_hw_interface_t
@@ -609,6 +632,9 @@ typedef struct vnet_hw_interface_t
   /* device input device_and_queue runtime index */
   uword *dq_runtime_index_by_queue;
 
+  /* rx queues */
+  u32 *rx_queue_indices;
+
   /* numa node that hardware device connects to */
   u8 numa_node;
 
@@ -621,6 +647,18 @@ typedef struct vnet_hw_interface_t
   u32 trace_classify_table_index;
 } vnet_hw_interface_t;
 
+typedef struct
+{
+  u32 dev_instance;
+  u32 queue_id;
+} vnet_hw_if_rxq_poll_vector_t;
+
+typedef struct
+{
+  vnet_hw_if_rxq_poll_vector_t *rxq_poll_vector;
+  void *rxq_interrupts;
+} vnet_hw_if_rx_node_runtime_t;
+
 extern vnet_device_class_t vnet_local_interface_device_class;
 
 typedef enum
@@ -857,6 +895,10 @@ typedef struct
   /* Hardware interfaces. */
   vnet_hw_interface_t *hw_interfaces;
 
+  /* Hardware interface RX queues */
+  vnet_hw_if_rx_queue_t *hw_if_rx_queues;
+  uword *rxq_index_by_hw_if_index_and_queue_id;
+
   /* Hash table mapping HW interface name to index. */
   uword *hw_interface_by_name;