--- /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 ();
+ int rv;
+ 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->net_ns_set)
+ ap->net_ns = mp->net_ns;
+
+ rv = 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 (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