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-rw-r--r--src/vnet/devices/af_packet/af_packet_api.c143
1 files changed, 143 insertions, 0 deletions
diff --git a/src/vnet/devices/af_packet/af_packet_api.c b/src/vnet/devices/af_packet/af_packet_api.c
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+++ b/src/vnet/devices/af_packet/af_packet_api.c
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+/*
+ *------------------------------------------------------------------
+ * af_packet_api.c - af-packet api
+ *
+ * Copyright (c) 2016 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/devices/af_packet/af_packet.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>
+
+#define foreach_vpe_api_msg \
+_(AF_PACKET_CREATE, af_packet_create) \
+_(AF_PACKET_DELETE, af_packet_delete)
+
+static void
+vl_api_af_packet_create_t_handler (vl_api_af_packet_create_t * mp)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vl_api_af_packet_create_reply_t *rmp;
+ int rv = 0;
+ u8 *host_if_name = NULL;
+ u32 sw_if_index;
+
+ host_if_name = format (0, "%s", mp->host_if_name);
+ vec_add1 (host_if_name, 0);
+
+ rv = af_packet_create_if (vm, host_if_name,
+ mp->use_random_hw_addr ? 0 : mp->hw_addr,
+ &sw_if_index);
+
+ vec_free (host_if_name);
+
+ /* *INDENT-OFF* */
+ REPLY_MACRO2(VL_API_AF_PACKET_CREATE_REPLY,
+ ({
+ rmp->sw_if_index = clib_host_to_net_u32(sw_if_index);
+ }));
+ /* *INDENT-ON* */
+}
+
+static void
+vl_api_af_packet_delete_t_handler (vl_api_af_packet_delete_t * mp)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vl_api_af_packet_delete_reply_t *rmp;
+ int rv = 0;
+ u8 *host_if_name = NULL;
+
+ host_if_name = format (0, "%s", mp->host_if_name);
+ vec_add1 (host_if_name, 0);
+
+ rv = af_packet_delete_if (vm, host_if_name);
+
+ vec_free (host_if_name);
+
+ REPLY_MACRO (VL_API_AF_PACKET_DELETE_REPLY);
+}
+
+/*
+ * af_packet_api_hookup
+ * Add vpe's API message handlers to the table.
+ * vlib has alread mapped shared memory and
+ * added the client registration handlers.
+ * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
+ */
+#define vl_msg_name_crc_list
+#include <vnet/vnet_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+static void
+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_af_packet;
+#undef _
+}
+
+static clib_error_t *
+af_packet_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_vpe_api_msg;
+#undef _
+
+ /*
+ * Set up the (msg_name, crc, message-id) table
+ */
+ setup_message_id_table (am);
+
+ return 0;
+}
+
+VLIB_API_INIT_FUNCTION (af_packet_api_hookup);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */