text: /*
   *------------------------------------------------------------------
   * Copyright (c) 2018 Cisco and/or its affiliates.
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at:
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   *------------------------------------------------------------------
   */
  
  #include <vlib/vlib.h>
  #include <vlib/unix/unix.h>
  #include <vlib/pci/pci.h>
  #include <vnet/ethernet/ethernet.h>
  #include <vnet/format_fns.h>
  #include <vmxnet3/vmxnet3.h>
  
  #include <vlibapi/api.h>
  #include <vlibmemory/api.h>
  
  /* define message IDs */
  #include <vmxnet3/vmxnet3.api_enum.h>
  #include <vmxnet3/vmxnet3.api_types.h>
  
  #include <vlibapi/api_helper_macros.h>
  
  static void
  vl_api_vmxnet3_create_t_handler (vl_api_vmxnet3_create_t * mp)
  {
    vlib_main_t *vm = vlib_get_main ();
    vmxnet3_main_t *vmxm = &vmxnet3_main;
    vl_api_vmxnet3_create_reply_t *rmp;
    vmxnet3_create_if_args_t args;
    int rv;
  
    clib_memset (&args, 0, sizeof (vmxnet3_create_if_args_t));
  
    args.enable_elog = ntohl (mp->enable_elog);
    args.addr.as_u32 = ntohl (mp->pci_addr);
    args.rxq_size = ntohs (mp->rxq_size);
    args.txq_size = ntohs (mp->txq_size);
    args.txq_num = ntohs (mp->txq_num);
    args.rxq_num = ntohs (mp->rxq_num);
    args.bind = mp->bind;
    args.enable_gso = mp->enable_gso;
  
    vmxnet3_create_if (vm, &args);
    rv = args.rv;
  
    /* *INDENT-OFF* */
    REPLY_MACRO2 (VL_API_VMXNET3_CREATE_REPLY + vmxm->msg_id_base,
      ({
        rmp->sw_if_index = ntohl (args.sw_if_index);
      }));
    /* *INDENT-ON* */
  }
  
  static void
  vl_api_vmxnet3_delete_t_handler (vl_api_vmxnet3_delete_t * mp)
  {
    vlib_main_t *vm = vlib_get_main ();
    vnet_main_t *vnm = vnet_get_main ();
    vmxnet3_main_t *vmxm = &vmxnet3_main;
    vl_api_vmxnet3_delete_reply_t *rmp;
    vmxnet3_device_t *vd;
    vnet_hw_interface_t *hw;
    int rv = 0;
  
    hw =
      vnet_get_sup_hw_interface_api_visible_or_null (vnm,
  						   htonl (mp->sw_if_index));
    if (hw == NULL || vmxnet3_device_class.index != hw->dev_class_index)
      {
        rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
        goto reply;
      }
  
    vd = pool_elt_at_index (vmxm->devices, hw->dev_instance);
  
    vmxnet3_delete_if (vm, vd);
  
  reply:
    REPLY_MACRO (VL_API_VMXNET3_DELETE_REPLY + vmxm->msg_id_base);
  }
  
  static void
  send_vmxnet3_details (vl_api_registration_t * reg, vmxnet3_device_t * vd,
  		      vnet_sw_interface_t * swif, u8 * interface_name,
  		      u32 context)
  {
    vl_api_vmxnet3_details_t *mp;
    vnet_main_t *vnm = vnet_get_main ();
    vmxnet3_main_t *vmxm = &vmxnet3_main;
    vnet_hw_interface_t *hwif;
    vmxnet3_rx_ring *ring;
    u16 rid, qid;
  
    hwif = vnet_get_sup_hw_interface (vnm, swif->sw_if_index);
  
    mp = vl_msg_api_alloc (sizeof (*mp));
    clib_memset (mp, 0, sizeof (*mp));
  
    mp->_vl_msg_id = htons (VL_API_VMXNET3_DETAILS + vmxm->msg_id_base);
    mp->context = context;
  
    mp->sw_if_index = htonl (swif->sw_if_index);
    strncpy ((char *) mp->if_name,
  	   (char *) interface_name, ARRAY_LEN (mp->if_name) - 1);
  
    if (hwif->hw_address)
      memcpy (mp->hw_addr, hwif->hw_address, ARRAY_LEN (mp->hw_addr));
  
    mp->version = vd->version;
    mp->pci_addr = ntohl (vd->pci_addr.as_u32);
    mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0;
  
    mp->rx_count = clib_min (vec_len (vd->rxqs), VMXNET3_RXQ_MAX);
    vec_foreach_index (qid, vd->rxqs)
    {
      vmxnet3_rxq_t *rxq = vec_elt_at_index (vd->rxqs, qid);
      vl_api_vmxnet3_rx_list_t *rx_list = &mp->rx_list[qid];
  
      ASSERT (qid < VMXNET3_RXQ_MAX);
      rx_list->rx_qsize = htons (rxq->size);
      rx_list->rx_next = htons (rxq->rx_comp_ring.next);
      for (rid = 0; rid < VMXNET3_RX_RING_SIZE; rid++)
        {
  	ring = &rxq->rx_ring[rid];
  	rx_list->rx_fill[rid] = htons (ring->fill);
  	rx_list->rx_produce[rid] = htons (ring->produce);
  	rx_list->rx_consume[rid] = htons (ring->consume);
        }
    }
  
    mp->tx_count = clib_min (vec_len (vd->txqs), VMXNET3_TXQ_MAX);
    vec_foreach_index (qid, vd->txqs)
    {
      vmxnet3_txq_t *txq = vec_elt_at_index (vd->txqs, qid);
      vl_api_vmxnet3_tx_list_t *tx_list = &mp->tx_list[qid];
  
      ASSERT (qid < VMXNET3_TXQ_MAX);
      tx_list->tx_qsize = htons (txq->size);
      tx_list->tx_next = htons (txq->tx_comp_ring.next);
      tx_list->tx_produce = htons (txq->tx_ring.produce);
      tx_list->tx_consume = htons (txq->tx_ring.consume);
    }
  
    vl_api_send_msg (reg, (u8 *) mp);
  }
  
  /**
   * @brief Message handler for vmxnet3_dump API.
   * @param mp vl_api_vmxnet3_dump_t * mp the api message
   */
  static void
  vl_api_vmxnet3_dump_t_handler (vl_api_vmxnet3_dump_t * mp)
  {
    vmxnet3_main_t *vmxm = &vmxnet3_main;
    vnet_main_t *vnm = vnet_get_main ();
    vnet_sw_interface_t *swif;
    vmxnet3_device_t *vd;
    u8 *if_name = 0;
    vl_api_registration_t *reg;
  
    reg = vl_api_client_index_to_registration (mp->client_index);
    if (!reg)
      return;
  
    /* *INDENT-OFF* */
    pool_foreach (vd, vmxm->devices,
      ({
        swif = vnet_get_sw_interface (vnm, vd->sw_if_index);
        if_name = format (if_name, "%U%c", format_vnet_sw_interface_name, vnm,
  			swif, 0);
        send_vmxnet3_details (reg, vd, swif, if_name, mp->context);
        _vec_len (if_name) = 0;
      }));
    /* *INDENT-ON* */
  
    vec_free (if_name);
  }
  
  /* set tup the API message handling tables */
  #include <vmxnet3/vmxnet3.api.c>
  clib_error_t *
  vmxnet3_plugin_api_hookup (vlib_main_t * vm)
  {
    vmxnet3_main_t *vmxm = &vmxnet3_main;
  
    /* ask for a correctly-sized block of API message decode slots */
    vmxm->msg_id_base = setup_message_id_table ();
    return 0;
  }
  
  /*
   * fd.io coding-style-patch-verification: ON
   *
   * Local Variables:
   * eval: (c-set-style "gnu")
   * End:
   */
  