1/*
2 *------------------------------------------------------------------
3 * Copyright (c) 2019 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 <vnet/vnet.h>
20
21#include <rdma/rdma.h>
22
23#include <vlibapi/api.h>
24#include <vlibmemory/api.h>
25
26/* define message IDs */
27#include <rdma/rdma.api_enum.h>
28#include <rdma/rdma.api_types.h>
29
30#include <vlibapi/api_helper_macros.h>
31
32static rdma_mode_t
33rdma_api_mode (vl_api_rdma_mode_t mode)
34{
35  switch (mode)
36    {
37    case RDMA_API_MODE_AUTO:
38      return RDMA_MODE_AUTO;
39    case RDMA_API_MODE_IBV:
40      return RDMA_MODE_IBV;
41    case RDMA_API_MODE_DV:
42      return RDMA_MODE_DV;
43    }
44  return RDMA_MODE_AUTO;
45}
46
47static void
48vl_api_rdma_create_t_handler (vl_api_rdma_create_t * mp)
49{
50  vlib_main_t *vm = vlib_get_main ();
51  rdma_main_t *rm = &rdma_main;
52  vl_api_rdma_create_reply_t *rmp;
53  rdma_create_if_args_t args;
54  int rv;
55
56  clib_memset (&args, 0, sizeof (rdma_create_if_args_t));
57
58  args.ifname = mp->host_if;
59  args.name = mp->name;
60  args.rxq_num = ntohs (mp->rxq_num);
61  args.rxq_size = ntohs (mp->rxq_size);
62  args.txq_size = ntohs (mp->txq_size);
63  args.mode = rdma_api_mode (mp->mode);
64
65  rdma_create_if (vm, &args);
66  rv = args.rv;
67
68  /* *INDENT-OFF* */
69  REPLY_MACRO2 (VL_API_RDMA_CREATE_REPLY + rm->msg_id_base,
70    ({
71      rmp->sw_if_index = ntohl (args.sw_if_index);
72    }));
73  /* *INDENT-ON* */
74}
75
76static void
77vl_api_rdma_delete_t_handler (vl_api_rdma_delete_t * mp)
78{
79  vlib_main_t *vm = vlib_get_main ();
80  vnet_main_t *vnm = vnet_get_main ();
81  rdma_main_t *rm = &rdma_main;
82  vl_api_rdma_delete_reply_t *rmp;
83  rdma_device_t *rd;
84  vnet_hw_interface_t *hw;
85  int rv = 0;
86
87  hw =
88    vnet_get_sup_hw_interface_api_visible_or_null (vnm,
89						   htonl (mp->sw_if_index));
90  if (hw == NULL || rdma_device_class.index != hw->dev_class_index)
91    {
92      rv = VNET_API_ERROR_INVALID_INTERFACE;
93      goto reply;
94    }
95
96  rd = pool_elt_at_index (rm->devices, hw->dev_instance);
97
98  rdma_delete_if (vm, rd);
99
100reply:
101  REPLY_MACRO (VL_API_RDMA_DELETE_REPLY + rm->msg_id_base);
102}
103
104/* set tup the API message handling tables */
105#include <rdma/rdma.api.c>
106static clib_error_t *
107rdma_plugin_api_hookup (vlib_main_t * vm)
108{
109  rdma_main_t *rm = &rdma_main;
110
111  /* ask for a correctly-sized block of API message decode slots */
112  rm->msg_id_base = setup_message_id_table ();
113  return 0;
114}
115
116VLIB_API_INIT_FUNCTION (rdma_plugin_api_hookup);
117
118/*
119 * fd.io coding-style-patch-verification: ON
120 *
121 * Local Variables:
122 * eval: (c-set-style "gnu")
123 * End:
124 */
125