interface: tx queue infra

Type: improvement
Change-Id: I415b2f980de10ca3154d2c8677c24792453eccd0
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 29 insertions, 0 deletions

diff --git a/src/vnet/interface/tx_queue_funcs.h b/src/vnet/interface/tx_queue_funcs.h
new file mode 100644
index 00000000000..22956a4eb9b
--- /dev/null
+++ b/src/vnet/interface/tx_queue_funcs.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * Copyright(c) 2021 Cisco Systems, Inc.
+ */
+
+#include <vnet/vnet.h>
+
+/* funciton declarations */
+
+u32 vnet_hw_if_get_tx_queue_index_by_id (vnet_main_t *vnm, u32 hw_if_index,
+					 u32 queue_id);
+u32 vnet_hw_if_register_tx_queue (vnet_main_t *vnm, u32 hw_if_index,
+				  u32 queue_id);
+void vnet_hw_if_unregister_tx_queue (vnet_main_t *vnm, u32 queue_index);
+void vnet_hw_if_unregister_all_tx_queues (vnet_main_t *vnm, u32 hw_if_index);
+void vnet_hw_if_tx_queue_assign_thread (vnet_main_t *vnm, u32 queue_index,
+					u32 thread_index);
+void vnet_hw_if_tx_queue_unassign_thread (vnet_main_t *vnm, u32 queue_index,
+					  u32 thread_index);
+
+/* inline functions */
+
+static_always_inline vnet_hw_if_tx_queue_t *
+vnet_hw_if_get_tx_queue (vnet_main_t *vnm, u32 queue_index)
+{
+  vnet_interface_main_t *im = &vnm->interface_main;
+  if (pool_is_free_index (im->hw_if_tx_queues, queue_index))
+    return 0;
+  return pool_elt_at_index (im->hw_if_tx_queues, queue_index);
+}