+++ /dev/null
-/*
- *------------------------------------------------------------------
- * tap_api.c - vnet tap device driver API support
- *
- * Copyright (c) 2017 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 <vnet/vnet.h>
-#include <vlibmemory/api.h>
-
-#include <vnet/interface.h>
-#include <vnet/api_errno.h>
-#include <vnet/ethernet/ethernet.h>
-#include <vnet/ip/ip.h>
-
-#include <vnet/vnet_msg_enum.h>
-
-#define vl_typedefs /* define message structures */
-#include <vnet/vnet_all_api_h.h>
-#undef vl_typedefs
-
-#define vl_endianfun /* define message structures */
-#include <vnet/vnet_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
-#define vl_printfun
-#include <vnet/vnet_all_api_h.h>
-#undef vl_printfun
-
-#include <vlibapi/api_helper_macros.h>
-#include <vnet/devices/virtio/tap.h>
-
-#define foreach_tapv2_api_msg \
-_(TAP_CREATE_V2, tap_create_v2) \
-_(TAP_DELETE_V2, tap_delete_v2) \
-_(SW_INTERFACE_TAP_V2_DUMP, sw_interface_tap_v2_dump)
-
-static void
-vl_api_tap_create_v2_t_handler (vl_api_tap_create_v2_t * mp)
-{
- vlib_main_t *vm = vlib_get_main ();
- vl_api_tap_create_v2_reply_t *rmp;
- unix_shared_memory_queue_t *q;
- tap_create_if_args_t _a, *ap = &_a;
-
- memset (ap, 0, sizeof (*ap));
-
- ap->name = mp->tap_name;
- if (!mp->use_random_mac)
- {
- clib_memcpy (ap->hw_addr, mp->mac_address, 6);
- ap->hw_addr_set = 1;
- }
- ap->rx_ring_sz = mp->rx_ring_sz;
- ap->tx_ring_sz = mp->tx_ring_sz;
- ap->sw_if_index = (u32) ~ 0;
-
- if (mp->host_namespace_set)
- ap->host_namespace = mp->host_namespace;
-
- if (mp->host_bridge_set)
- ap->host_bridge = mp->host_bridge;
-
- if (mp->host_ip4_addr_set)
- {
- clib_memcpy (&ap->host_ip4_addr.as_u8, mp->host_ip4_addr, 4);
- ap->host_ip4_prefix_len = mp->host_ip4_prefix_len;
- }
-
- if (mp->host_ip6_addr_set)
- {
- clib_memcpy (&ap->host_ip6_addr, mp->host_ip6_addr, 16);
- ap->host_ip6_prefix_len = mp->host_ip6_prefix_len;
- }
-
- tap_create_if (vm, ap);
-
- q = vl_api_client_index_to_input_queue (mp->client_index);
- if (!q)
- return;
-
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_TAP_CREATE_V2_REPLY);
- rmp->context = mp->context;
- rmp->retval = ntohl (ap->rv);
- rmp->sw_if_index = ntohl (ap->sw_if_index);
-
- vl_msg_api_send_shmem (q, (u8 *) & rmp);
-}
-
-static void
-tap_send_sw_interface_event_deleted (vpe_api_main_t * am,
- unix_shared_memory_queue_t * q,
- u32 sw_if_index)
-{
- vl_api_sw_interface_event_t *mp;
-
- mp = vl_msg_api_alloc (sizeof (*mp));
- memset (mp, 0, sizeof (*mp));
- mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_EVENT);
- mp->sw_if_index = ntohl (sw_if_index);
-
- mp->admin_up_down = 0;
- mp->link_up_down = 0;
- mp->deleted = 1;
- vl_msg_api_send_shmem (q, (u8 *) & mp);
-}
-
-static void
-vl_api_tap_delete_v2_t_handler (vl_api_tap_delete_v2_t * mp)
-{
- vlib_main_t *vm = vlib_get_main ();
- int rv;
- vpe_api_main_t *vam = &vpe_api_main;
- vl_api_tap_delete_v2_reply_t *rmp;
- unix_shared_memory_queue_t *q;
- u32 sw_if_index = ntohl (mp->sw_if_index);
-
- rv = tap_delete_if (vm, sw_if_index);
-
- q = vl_api_client_index_to_input_queue (mp->client_index);
- if (!q)
- return;
-
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_TAP_DELETE_V2_REPLY);
- rmp->context = mp->context;
- rmp->retval = ntohl (rv);
-
- vl_msg_api_send_shmem (q, (u8 *) & rmp);
-
- if (!rv)
- tap_send_sw_interface_event_deleted (vam, q, sw_if_index);
-}
-
-static void
-tap_send_sw_interface_details (vpe_api_main_t * am,
- unix_shared_memory_queue_t * q,
- tap_interface_details_t * tap_if, u32 context)
-{
- vl_api_sw_interface_tap_v2_details_t *mp;
- mp = vl_msg_api_alloc (sizeof (*mp));
- memset (mp, 0, sizeof (*mp));
- mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_TAP_V2_DETAILS);
- mp->sw_if_index = ntohl (tap_if->sw_if_index);
- clib_memcpy (mp->dev_name, tap_if->dev_name,
- MIN (ARRAY_LEN (mp->dev_name) - 1,
- strlen ((const char *) tap_if->dev_name)));
- mp->context = context;
-
- vl_msg_api_send_shmem (q, (u8 *) & mp);
-}
-
-static void
-vl_api_sw_interface_tap_v2_dump_t_handler (vl_api_sw_interface_tap_v2_dump_t *
- mp)
-{
- int rv;
- vpe_api_main_t *am = &vpe_api_main;
- unix_shared_memory_queue_t *q;
- tap_interface_details_t *tapifs = NULL;
- tap_interface_details_t *tap_if = NULL;
-
- q = vl_api_client_index_to_input_queue (mp->client_index);
- if (q == 0)
- return;
-
- rv = tap_dump_ifs (&tapifs);
- if (rv)
- return;
-
- vec_foreach (tap_if, tapifs)
- {
- tap_send_sw_interface_details (am, q, tap_if, mp->context);
- }
-
- vec_free (tapifs);
-}
-
-#define vl_msg_name_crc_list
-#include <vnet/vnet_all_api_h.h>
-#undef vl_msg_name_crc_list
-
-static void
-tap_setup_message_id_table (api_main_t * am)
-{
-#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
- foreach_vl_msg_name_crc_tapv2;
-#undef _
-}
-
-static clib_error_t *
-tapv2_api_hookup (vlib_main_t * vm)
-{
- api_main_t *am = &api_main;
-
-#define _(N,n) \
- vl_msg_api_set_handlers(VL_API_##N, #n, \
- vl_api_##n##_t_handler, \
- vl_noop_handler, \
- vl_api_##n##_t_endian, \
- vl_api_##n##_t_print, \
- sizeof(vl_api_##n##_t), 1);
- foreach_tapv2_api_msg;
-#undef _
-
- /*
- * Set up the (msg_name, crc, message-id) table
- */
- tap_setup_message_id_table (am);
-
- return 0;
-}
-
-VLIB_API_INIT_FUNCTION (tapv2_api_hookup);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff