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-rw-r--r--src/vlibapi/api.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/vlibapi/api.h b/src/vlibapi/api.h
index 7538050e7b2..3403e1c60d7 100644
--- a/src/vlibapi/api.h
+++ b/src/vlibapi/api.h
@@ -25,6 +25,7 @@
#include <vlib/vlib.h>
#include <vlibmemory/unix_shared_memory_queue.h>
#include <vlib/unix/unix.h>
+#include <stddef.h>
typedef enum
{
@@ -280,6 +281,7 @@ u16 vl_msg_api_get_msg_ids (const char *name, int n);
void vl_msg_api_add_msg_name_crc (api_main_t * am, const char *string,
u32 id);
u32 vl_api_get_msg_index (u8 * name_and_crc);
+u32 vl_msg_api_get_msg_length (void *msg_arg);
/* node_serialize.c prototypes */
u8 *vlib_node_serialize (vlib_node_main_t * nm, u8 * vector,
@@ -336,6 +338,15 @@ static void __vl_msg_api_add_##tag##_function_##x (void) \
_error = _f (ci); \
})
+static inline u32
+vl_msg_api_get_msg_length_inline (void *msg_arg)
+{
+ u8 *msg = (u8 *) msg_arg;
+
+ msgbuf_t *header = (msgbuf_t *) (msg - offsetof (msgbuf_t, data));
+
+ return clib_net_to_host_u32 (header->data_len);
+}
#endif /* included_api_h */
/*