src/vnet/interface/tx_queue_funcs.h

   1 /* SPDX-License-Identifier: Apache-2.0
   2  * Copyright(c) 2021 Cisco Systems, Inc.
   3  */
   4
   5 #include <vnet/vnet.h>
   6
   7 /* funciton declarations */
   8
   9 u32 vnet_hw_if_get_tx_queue_index_by_id (vnet_main_t *vnm, u32 hw_if_index,
  10                                          u32 queue_id);
  11 u32 vnet_hw_if_register_tx_queue (vnet_main_t *vnm, u32 hw_if_index,
  12                                   u32 queue_id);
  13 void vnet_hw_if_unregister_tx_queue (vnet_main_t *vnm, u32 queue_index);
  14 void vnet_hw_if_unregister_all_tx_queues (vnet_main_t *vnm, u32 hw_if_index);
  15 void vnet_hw_if_tx_queue_assign_thread (vnet_main_t *vnm, u32 queue_index,
  16                                         u32 thread_index);
  17 void vnet_hw_if_tx_queue_unassign_thread (vnet_main_t *vnm, u32 queue_index,
  18                                           u32 thread_index);
  19
  20 /* inline functions */
  21
  22 static_always_inline vnet_hw_if_tx_queue_t *
  23 vnet_hw_if_get_tx_queue (vnet_main_t *vnm, u32 queue_index)
  24 {
  25   vnet_interface_main_t *im = &vnm->interface_main;
  26   if (pool_is_free_index (im->hw_if_tx_queues, queue_index))
  27     return 0;
  28   return pool_elt_at_index (im->hw_if_tx_queues, queue_index);
  29 }
  30
  31 static_always_inline int
  32 vnet_hw_if_txq_cmp_cli_api (vnet_hw_if_tx_queue_t **a,
  33                             vnet_hw_if_tx_queue_t **b)
  34 {
  35   if (*a == *b)
  36     return 0;
  37
  38   if (a[0]->hw_if_index != b[0]->hw_if_index)
  39     return 2 * (a[0]->hw_if_index > b[0]->hw_if_index) - 1;
  40
  41   if (a[0]->queue_id != b[0]->queue_id)
  42     return 2 * (a[0]->queue_id > b[0]->queue_id) - 1;
  43
  44   ASSERT (0);
  45   return ~0;
  46 }