Line data    Source code

       1             : /*
       2             :  *------------------------------------------------------------------
       3             :  * Copyright (c) 2018 Cisco and/or its affiliates.
       4             :  * Licensed under the Apache License, Version 2.0 (the "License");
       5             :  * you may not use this file except in compliance with the License.
       6             :  * You may obtain a copy of the License at:
       7             :  *
       8             :  *     http://www.apache.org/licenses/LICENSE-2.0
       9             :  *
      10             :  * Unless required by applicable law or agreed to in writing, software
      11             :  * distributed under the License is distributed on an "AS IS" BASIS,
      12             :  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      13             :  * See the License for the specific language governing permissions and
      14             :  * limitations under the License.
      15             :  *------------------------------------------------------------------
      16             :  */
      17             : 
      18             : #include <vlib/vlib.h>
      19             : #include <vlib/unix/unix.h>
      20             : #include <vlib/pci/pci.h>
      21             : #include <vnet/ethernet/ethernet.h>
      22             : #include <vnet/format_fns.h>
      23             : #include <vmxnet3/vmxnet3.h>
      24             : 
      25             : #include <vlibapi/api.h>
      26             : #include <vlibmemory/api.h>
      27             : 
      28             : /* define message IDs */
      29             : #include <vmxnet3/vmxnet3.api_enum.h>
      30             : #include <vmxnet3/vmxnet3.api_types.h>
      31             : 
      32             : #define REPLY_MSG_ID_BASE (vmxm->msg_id_base)
      33             : #include <vlibapi/api_helper_macros.h>
      34             : 
      35             : static void
      36           0 : vl_api_vmxnet3_create_t_handler (vl_api_vmxnet3_create_t * mp)
      37             : {
      38           0 :   vlib_main_t *vm = vlib_get_main ();
      39           0 :   vmxnet3_main_t *vmxm = &vmxnet3_main;
      40             :   vl_api_vmxnet3_create_reply_t *rmp;
      41             :   vmxnet3_create_if_args_t args;
      42             :   int rv;
      43             : 
      44           0 :   clib_memset (&args, 0, sizeof (vmxnet3_create_if_args_t));
      45             : 
      46           0 :   args.enable_elog = ntohl (mp->enable_elog);
      47           0 :   args.addr.as_u32 = ntohl (mp->pci_addr);
      48           0 :   args.rxq_size = ntohs (mp->rxq_size);
      49           0 :   args.txq_size = ntohs (mp->txq_size);
      50           0 :   args.txq_num = ntohs (mp->txq_num);
      51           0 :   args.rxq_num = ntohs (mp->rxq_num);
      52           0 :   args.bind = mp->bind;
      53           0 :   args.enable_gso = mp->enable_gso;
      54             : 
      55           0 :   vmxnet3_create_if (vm, &args);
      56           0 :   rv = args.rv;
      57             : 
      58             :   /* *INDENT-OFF* */
      59           0 :   REPLY_MACRO2 (VL_API_VMXNET3_CREATE_REPLY,
      60             :                 ({ rmp->sw_if_index = ntohl (args.sw_if_index); }));
      61             :   /* *INDENT-ON* */
      62             : }
      63             : 
      64             : static void
      65           0 : vl_api_vmxnet3_delete_t_handler (vl_api_vmxnet3_delete_t * mp)
      66             : {
      67           0 :   vlib_main_t *vm = vlib_get_main ();
      68           0 :   vnet_main_t *vnm = vnet_get_main ();
      69           0 :   vmxnet3_main_t *vmxm = &vmxnet3_main;
      70             :   vl_api_vmxnet3_delete_reply_t *rmp;
      71             :   vmxnet3_device_t *vd;
      72             :   vnet_hw_interface_t *hw;
      73           0 :   int rv = 0;
      74             : 
      75             :   hw =
      76           0 :     vnet_get_sup_hw_interface_api_visible_or_null (vnm,
      77             :                                                    htonl (mp->sw_if_index));
      78           0 :   if (hw == NULL || vmxnet3_device_class.index != hw->dev_class_index)
      79             :     {
      80           0 :       rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
      81           0 :       goto reply;
      82             :     }
      83             : 
      84           0 :   vd = pool_elt_at_index (vmxm->devices, hw->dev_instance);
      85             : 
      86           0 :   vmxnet3_delete_if (vm, vd);
      87             : 
      88           0 : reply:
      89           0 :   REPLY_MACRO (VL_API_VMXNET3_DELETE_REPLY);
      90             : }
      91             : 
      92             : static void
      93           0 : send_vmxnet3_details (vl_api_registration_t * reg, vmxnet3_device_t * vd,
      94             :                       vnet_sw_interface_t * swif, u8 * interface_name,
      95             :                       u32 context)
      96             : {
      97             :   vl_api_vmxnet3_details_t *mp;
      98           0 :   vnet_main_t *vnm = vnet_get_main ();
      99           0 :   vmxnet3_main_t *vmxm = &vmxnet3_main;
     100             :   vnet_hw_interface_t *hwif;
     101             :   vmxnet3_rx_ring *ring;
     102             :   u16 rid, qid;
     103             : 
     104           0 :   hwif = vnet_get_sup_hw_interface (vnm, swif->sw_if_index);
     105             : 
     106           0 :   mp = vl_msg_api_alloc (sizeof (*mp));
     107           0 :   clib_memset (mp, 0, sizeof (*mp));
     108             : 
     109           0 :   mp->_vl_msg_id = htons (VL_API_VMXNET3_DETAILS + vmxm->msg_id_base);
     110           0 :   mp->context = context;
     111             : 
     112           0 :   mp->sw_if_index = htonl (swif->sw_if_index);
     113           0 :   strncpy ((char *) mp->if_name,
     114             :            (char *) interface_name, ARRAY_LEN (mp->if_name) - 1);
     115             : 
     116           0 :   if (hwif->hw_address)
     117           0 :     memcpy (mp->hw_addr, hwif->hw_address, ARRAY_LEN (mp->hw_addr));
     118             : 
     119           0 :   mp->version = vd->version;
     120           0 :   mp->pci_addr = ntohl (vd->pci_addr.as_u32);
     121           0 :   mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0;
     122             : 
     123           0 :   mp->rx_count = clib_min (vec_len (vd->rxqs), VMXNET3_RXQ_MAX);
     124           0 :   vec_foreach_index (qid, vd->rxqs)
     125             :   {
     126           0 :     vmxnet3_rxq_t *rxq = vec_elt_at_index (vd->rxqs, qid);
     127           0 :     vl_api_vmxnet3_rx_list_t *rx_list = &mp->rx_list[qid];
     128             : 
     129           0 :     ASSERT (qid < VMXNET3_RXQ_MAX);
     130           0 :     rx_list->rx_qsize = htons (rxq->size);
     131           0 :     rx_list->rx_next = htons (rxq->rx_comp_ring.next);
     132           0 :     for (rid = 0; rid < VMXNET3_RX_RING_SIZE; rid++)
     133             :       {
     134           0 :         ring = &rxq->rx_ring[rid];
     135           0 :         rx_list->rx_fill[rid] = htons (ring->fill);
     136           0 :         rx_list->rx_produce[rid] = htons (ring->produce);
     137           0 :         rx_list->rx_consume[rid] = htons (ring->consume);
     138             :       }
     139             :   }
     140             : 
     141           0 :   mp->tx_count = clib_min (vec_len (vd->txqs), VMXNET3_TXQ_MAX);
     142           0 :   vec_foreach_index (qid, vd->txqs)
     143             :   {
     144           0 :     vmxnet3_txq_t *txq = vec_elt_at_index (vd->txqs, qid);
     145           0 :     vl_api_vmxnet3_tx_list_t *tx_list = &mp->tx_list[qid];
     146             : 
     147           0 :     ASSERT (qid < VMXNET3_TXQ_MAX);
     148           0 :     tx_list->tx_qsize = htons (txq->size);
     149           0 :     tx_list->tx_next = htons (txq->tx_comp_ring.next);
     150           0 :     tx_list->tx_produce = htons (txq->tx_ring.produce);
     151           0 :     tx_list->tx_consume = htons (txq->tx_ring.consume);
     152             :   }
     153             : 
     154           0 :   vl_api_send_msg (reg, (u8 *) mp);
     155           0 : }
     156             : 
     157             : /**
     158             :  * @brief Message handler for vmxnet3_dump API.
     159             :  * @param mp vl_api_vmxnet3_dump_t * mp the api message
     160             :  */
     161             : static void
     162           0 : vl_api_vmxnet3_dump_t_handler (vl_api_vmxnet3_dump_t * mp)
     163             : {
     164           0 :   vmxnet3_main_t *vmxm = &vmxnet3_main;
     165           0 :   vnet_main_t *vnm = vnet_get_main ();
     166             :   vnet_sw_interface_t *swif;
     167             :   vmxnet3_device_t *vd;
     168           0 :   u8 *if_name = 0;
     169             :   vl_api_registration_t *reg;
     170             : 
     171           0 :   reg = vl_api_client_index_to_registration (mp->client_index);
     172           0 :   if (!reg)
     173           0 :     return;
     174             : 
     175             :   /* *INDENT-OFF* */
     176           0 :   pool_foreach (vd, vmxm->devices)
     177             :      {
     178           0 :       swif = vnet_get_sw_interface (vnm, vd->sw_if_index);
     179           0 :       if_name = format (if_name, "%U%c", format_vnet_sw_interface_name, vnm,
     180             :                         swif, 0);
     181           0 :       send_vmxnet3_details (reg, vd, swif, if_name, mp->context);
     182           0 :       vec_set_len (if_name, 0);
     183             :     }
     184             :   /* *INDENT-ON* */
     185             : 
     186           0 :   vec_free (if_name);
     187             : }
     188             : 
     189             : /**
     190             :  * @brief Message handler for vmxnet3_dump API.
     191             :  * @param mp vl_api_vmxnet3_dump_t * mp the api message
     192             :  */
     193           0 : static void vl_api_sw_vmxnet3_interface_dump_t_handler
     194             :   (vl_api_sw_vmxnet3_interface_dump_t * mp)
     195             : {
     196           0 :   vmxnet3_main_t *vmxm = &vmxnet3_main;
     197           0 :   vnet_main_t *vnm = vnet_get_main ();
     198             :   vnet_sw_interface_t *swif;
     199             :   vmxnet3_device_t *vd;
     200           0 :   u8 *if_name = 0;
     201             :   vl_api_registration_t *reg;
     202             :   u32 filter_sw_if_index;
     203             : 
     204           0 :   reg = vl_api_client_index_to_registration (mp->client_index);
     205           0 :   if (!reg)
     206           0 :     return;
     207             : 
     208           0 :   filter_sw_if_index = htonl (mp->sw_if_index);
     209           0 :   if ((filter_sw_if_index != ~0) &&
     210           0 :       (vnet_sw_interface_is_api_valid (vnm, filter_sw_if_index) == 0))
     211           0 :     goto bad_sw_if_index;
     212             : 
     213             :   /* *INDENT-OFF* */
     214           0 :   pool_foreach (vd, vmxm->devices)
     215             :      {
     216           0 :       if ((filter_sw_if_index == ~0) ||
     217           0 :           (vd->sw_if_index == filter_sw_if_index))
     218             :         {
     219           0 :           swif = vnet_get_sw_interface (vnm, vd->sw_if_index);
     220           0 :           if_name = format (if_name, "%U%c", format_vnet_sw_interface_name, vnm,
     221             :                             swif, 0);
     222           0 :           send_vmxnet3_details (reg, vd, swif, if_name, mp->context);
     223           0 :           vec_set_len (if_name, 0);
     224             :         }
     225             :     }
     226             :   /* *INDENT-ON* */
     227             : 
     228           0 :   BAD_SW_IF_INDEX_LABEL;
     229           0 :   vec_free (if_name);
     230             : }
     231             : 
     232             : /* set tup the API message handling tables */
     233             : #include <vmxnet3/vmxnet3.api.c>
     234             : clib_error_t *
     235         559 : vmxnet3_plugin_api_hookup (vlib_main_t * vm)
     236             : {
     237         559 :   vmxnet3_main_t *vmxm = &vmxnet3_main;
     238             : 
     239             :   /* ask for a correctly-sized block of API message decode slots */
     240         559 :   vmxm->msg_id_base = setup_message_id_table ();
     241         559 :   return 0;
     242             : }
     243             : 
     244             : /*
     245             :  * fd.io coding-style-patch-verification: ON
     246             :  *
     247             :  * Local Variables:
     248             :  * eval: (c-set-style "gnu")
     249             :  * End:
     250             :  */