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:
8 * http://www.apache.org/licenses/LICENSE-2.0
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 *------------------------------------------------------------------
18 #include <vlib/vlib.h>
19 #include <vlib/unix/unix.h>
20 #include <vlib/pci/pci.h>
21 #include <vnet/ethernet/ethernet.h>
23 #include <vmxnet3/vmxnet3.h>
25 #include <vlibapi/api.h>
26 #include <vlibmemory/api.h>
28 /* define message IDs */
29 #include <vmxnet3/vmxnet3_msg_enum.h>
31 /* define message structures */
33 #include <vmxnet3/vmxnet3_all_api_h.h>
36 /* define generated endian-swappers */
38 #include <vmxnet3/vmxnet3_all_api_h.h>
41 /* instantiate all the print functions we know about */
42 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
44 #include <vmxnet3/vmxnet3_all_api_h.h>
47 /* get the API version number */
48 #define vl_api_version(n,v) static u32 api_version=(v);
49 #include <vmxnet3/vmxnet3_all_api_h.h>
52 #include <vlibapi/api_helper_macros.h>
54 #define foreach_vmxnet3_plugin_api_msg \
55 _(VMXNET3_CREATE, vmxnet3_create) \
56 _(VMXNET3_DELETE, vmxnet3_delete) \
57 _(VMXNET3_DUMP, vmxnet3_dump)
60 vl_api_vmxnet3_create_t_handler (vl_api_vmxnet3_create_t * mp)
62 vlib_main_t *vm = vlib_get_main ();
63 vmxnet3_main_t *vmxm = &vmxnet3_main;
64 vl_api_vmxnet3_create_reply_t *rmp;
65 vmxnet3_create_if_args_t args;
68 clib_memset (&args, 0, sizeof (vmxnet3_create_if_args_t));
70 args.enable_elog = ntohl (mp->enable_elog);
71 args.addr.as_u32 = ntohl (mp->pci_addr);
72 args.rxq_size = ntohs (mp->rxq_size);
73 args.txq_size = ntohs (mp->txq_size);
74 args.txq_num = ntohs (mp->txq_num);
75 args.rxq_num = ntohs (mp->rxq_num);
78 vmxnet3_create_if (vm, &args);
82 REPLY_MACRO2 (VL_API_VMXNET3_CREATE_REPLY + vmxm->msg_id_base,
84 rmp->sw_if_index = ntohl (args.sw_if_index);
90 vl_api_vmxnet3_delete_t_handler (vl_api_vmxnet3_delete_t * mp)
92 vlib_main_t *vm = vlib_get_main ();
93 vnet_main_t *vnm = vnet_get_main ();
94 vmxnet3_main_t *vmxm = &vmxnet3_main;
95 vl_api_vmxnet3_delete_reply_t *rmp;
97 vnet_hw_interface_t *hw;
100 hw = vnet_get_sup_hw_interface (vnm, htonl (mp->sw_if_index));
101 if (hw == NULL || vmxnet3_device_class.index != hw->dev_class_index)
103 rv = VNET_API_ERROR_INVALID_INTERFACE;
107 vd = pool_elt_at_index (vmxm->devices, hw->dev_instance);
109 vmxnet3_delete_if (vm, vd);
112 REPLY_MACRO (VL_API_VMXNET3_DELETE_REPLY + vmxm->msg_id_base);
116 send_vmxnet3_details (vl_api_registration_t * reg, vmxnet3_device_t * vd,
117 vnet_sw_interface_t * swif, u8 * interface_name,
120 vl_api_vmxnet3_details_t *mp;
121 vnet_main_t *vnm = vnet_get_main ();
122 vmxnet3_main_t *vmxm = &vmxnet3_main;
123 vnet_hw_interface_t *hwif;
124 vmxnet3_rx_ring *ring;
127 hwif = vnet_get_sup_hw_interface (vnm, swif->sw_if_index);
129 mp = vl_msg_api_alloc (sizeof (*mp));
130 clib_memset (mp, 0, sizeof (*mp));
132 mp->_vl_msg_id = htons (VL_API_VMXNET3_DETAILS + vmxm->msg_id_base);
133 mp->context = context;
135 mp->sw_if_index = htonl (swif->sw_if_index);
136 strncpy ((char *) mp->if_name,
137 (char *) interface_name, ARRAY_LEN (mp->if_name) - 1);
139 if (hwif->hw_address)
140 memcpy (mp->hw_addr, hwif->hw_address, ARRAY_LEN (mp->hw_addr));
142 mp->version = vd->version;
143 mp->pci_addr = ntohl (vd->pci_addr.as_u32);
144 mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0;
146 mp->rx_count = clib_min (vec_len (vd->rxqs), VMXNET3_RXQ_MAX);
147 vec_foreach_index (qid, vd->rxqs)
149 vmxnet3_rxq_t *rxq = vec_elt_at_index (vd->rxqs, qid);
150 vl_api_vmxnet3_rx_list_t *rx_list = &mp->rx_list[qid];
152 ASSERT (qid < VMXNET3_RXQ_MAX);
153 rx_list->rx_qsize = htons (rxq->size);
154 rx_list->rx_next = htons (rxq->rx_comp_ring.next);
155 for (rid = 0; rid < VMXNET3_RX_RING_SIZE; rid++)
157 ring = &rxq->rx_ring[rid];
158 rx_list->rx_fill[rid] = htons (ring->fill);
159 rx_list->rx_produce[rid] = htons (ring->produce);
160 rx_list->rx_consume[rid] = htons (ring->consume);
164 mp->tx_count = clib_min (vec_len (vd->txqs), VMXNET3_TXQ_MAX);
165 vec_foreach_index (qid, vd->txqs)
167 vmxnet3_txq_t *txq = vec_elt_at_index (vd->txqs, qid);
168 vl_api_vmxnet3_tx_list_t *tx_list = &mp->tx_list[qid];
170 ASSERT (qid < VMXNET3_TXQ_MAX);
171 tx_list->tx_qsize = htons (txq->size);
172 tx_list->tx_next = htons (txq->tx_comp_ring.next);
173 tx_list->tx_produce = htons (txq->tx_ring.produce);
174 tx_list->tx_consume = htons (txq->tx_ring.consume);
177 vl_api_send_msg (reg, (u8 *) mp);
181 * @brief Message handler for vmxnet3_dump API.
182 * @param mp vl_api_vmxnet3_dump_t * mp the api message
185 vl_api_vmxnet3_dump_t_handler (vl_api_vmxnet3_dump_t * mp)
187 vmxnet3_main_t *vmxm = &vmxnet3_main;
188 vnet_main_t *vnm = vnet_get_main ();
189 vnet_sw_interface_t *swif;
190 vmxnet3_device_t *vd;
192 vl_api_registration_t *reg;
194 reg = vl_api_client_index_to_registration (mp->client_index);
199 pool_foreach (vd, vmxm->devices,
201 swif = vnet_get_sw_interface (vnm, vd->sw_if_index);
202 if_name = format (if_name, "%U%c", format_vnet_sw_interface_name, vnm,
204 send_vmxnet3_details (reg, vd, swif, if_name, mp->context);
205 _vec_len (if_name) = 0;
212 #define vl_msg_name_crc_list
213 #include <vmxnet3/vmxnet3_all_api_h.h>
214 #undef vl_msg_name_crc_list
217 setup_message_id_table (vmxnet3_main_t * vmxm, api_main_t * am)
219 #define _(id,n,crc) \
220 vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + vmxm->msg_id_base);
221 foreach_vl_msg_name_crc_vmxnet3;
225 /* set tup the API message handling tables */
227 vmxnet3_plugin_api_hookup (vlib_main_t * vm)
229 vmxnet3_main_t *vmxm = &vmxnet3_main;
230 api_main_t *am = &api_main;
233 /* construct the API name */
234 name = format (0, "vmxnet3_%08x%c", api_version, 0);
236 /* ask for a correctly-sized block of API message decode slots */
237 vmxm->msg_id_base = vl_msg_api_get_msg_ids
238 ((char *) name, VL_MSG_FIRST_AVAILABLE);
241 vl_msg_api_set_handlers((VL_API_##N + vmxm->msg_id_base), \
243 vl_api_##n##_t_handler, \
245 vl_api_##n##_t_endian, \
246 vl_api_##n##_t_print, \
247 sizeof(vl_api_##n##_t), 1);
248 foreach_vmxnet3_plugin_api_msg;
251 /* set up the (msg_name, crc, message-id) table */
252 setup_message_id_table (vmxm, am);
259 * fd.io coding-style-patch-verification: ON
262 * eval: (c-set-style "gnu")