* See the License for the specific language governing permissions and
* limitations under the License.
*/
-/*
- *------------------------------------------------------------------
- * sample.c - simple MAC-swap API / debug CLI handling
- *------------------------------------------------------------------
+/**
+ * @file
+ * @brief Sample Plugin, plugin API / trace / CLI handling.
*/
#include <vnet/vnet.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
-#include <vlibsocket/api.h>
-
-/* define message IDs */
-#include <sample/sample_msg_enum.h>
-
-/* define message structures */
-#define vl_typedefs
-#include <sample/sample_all_api_h.h>
-#undef vl_typedefs
-
-/* define generated endian-swappers */
-#define vl_endianfun
-#include <sample/sample_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 <sample/sample_all_api_h.h>
-#undef vl_printfun
-
-/* Get the API version number */
-#define vl_api_version(n,v) static u32 api_version=(v);
-#include <sample/sample_all_api_h.h>
-#undef vl_api_version
-
-/*
- * A handy macro to set up a message reply.
- * Assumes that the following variables are available:
- * mp - pointer to request message
- * rmp - pointer to reply message type
- * rv - return value
- */
-#define REPLY_MACRO(t) \
-do { \
- unix_shared_memory_queue_t * 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((t)+sm->msg_id_base); \
- rmp->context = mp->context; \
- rmp->retval = ntohl(rv); \
- \
- vl_msg_api_send_shmem (q, (u8 *)&rmp); \
-} while(0);
-
-
-/* List of message types that this plugin understands */
-
-#define foreach_sample_plugin_api_msg \
-_(SAMPLE_MACSWAP_ENABLE_DISABLE, sample_macswap_enable_disable)
-
-/*
- * This routine exists to convince the vlib plugin framework that
- * we haven't accidentally copied a random .dll into the plugin directory.
- *
- * Also collects global variable pointers passed from the vpp engine
- */
+#include <sample/sample.api_enum.h>
+#include <sample/sample.api_types.h>
-clib_error_t *
-vlib_plugin_register (vlib_main_t * vm, vnet_plugin_handoff_t * h,
- int from_early_init)
-{
- sample_main_t * sm = &sample_main;
- clib_error_t * error = 0;
+#define REPLY_MSG_ID_BASE sm->msg_id_base
+#include <vlibapi/api_helper_macros.h>
- sm->vlib_main = vm;
- sm->vnet_main = h->vnet_main;
- sm->ethernet_main = h->ethernet_main;
+/* *INDENT-OFF* */
+VLIB_PLUGIN_REGISTER () = {
+ .version = SAMPLE_PLUGIN_BUILD_VER,
+ .description = "Sample of VPP Plugin",
+};
+/* *INDENT-ON* */
- return error;
-}
+sample_main_t sample_main;
-/* Action function shared between message handler and debug CLI */
+/**
+ * @brief Enable/disable the macswap plugin.
+ *
+ * Action function shared between message handler and debug CLI.
+ */
int sample_macswap_enable_disable (sample_main_t * sm, u32 sw_if_index,
int enable_disable)
return 0;
}
+/**
+ * @brief CLI command to enable/disable the sample macswap plugin.
+ */
VLIB_CLI_COMMAND (sr_content_command, static) = {
.path = "sample macswap",
.short_help =
.function = macswap_enable_disable_command_fn,
};
-/* API message handler */
+/**
+ * @brief Plugin API message handler.
+ */
static void vl_api_sample_macswap_enable_disable_t_handler
(vl_api_sample_macswap_enable_disable_t * mp)
{
REPLY_MACRO(VL_API_SAMPLE_MACSWAP_ENABLE_DISABLE_REPLY);
}
-/* Set up the API message handling tables */
-static clib_error_t *
-sample_plugin_api_hookup (vlib_main_t *vm)
-{
- sample_main_t * sm = &sample_main;
-#define _(N,n) \
- vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
- #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_sample_plugin_api_msg;
-#undef _
-
- return 0;
-}
-
-#define vl_msg_name_crc_list
-#include <sample/sample_all_api_h.h>
-#undef vl_msg_name_crc_list
-
-static void
-setup_message_id_table (sample_main_t * sm, api_main_t *am)
-{
-#define _(id,n,crc) \
- vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
- foreach_vl_msg_name_crc_sample;
-#undef _
-}
+/* API definitions */
+#include <sample/sample.api.c>
+/**
+ * @brief Initialize the sample plugin.
+ */
static clib_error_t * sample_init (vlib_main_t * vm)
{
sample_main_t * sm = &sample_main;
- clib_error_t * error = 0;
- u8 * name;
-
- name = format (0, "sample_%08x%c", api_version, 0);
-
- /* Ask for a correctly-sized block of API message decode slots */
- sm->msg_id_base = vl_msg_api_get_msg_ids
- ((char *) name, VL_MSG_FIRST_AVAILABLE);
- error = sample_plugin_api_hookup (vm);
+ sm->vnet_main = vnet_get_main ();
/* Add our API messages to the global name_crc hash table */
- setup_message_id_table (sm, &api_main);
+ sm->msg_id_base = setup_message_id_table ();
- vec_free(name);
-
- return error;
+ return 0;
}
VLIB_INIT_FUNCTION (sample_init);
+/**
+ * @brief Hook the sample plugin into the VPP graph hierarchy.
+ */
VNET_FEATURE_INIT (sample, static) =
{
.arc_name = "device-input",
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