✨ feat: 新增 “mrb_metadata” 成员并提供相应API

新增 “mrb_metadata” 成员并提供相应API

2 files changed, 18 insertions, 4 deletions

diff --git a/include/external/marsio.h b/include/external/marsio.h
index f61c5a3..ec58114 100644
--- a/include/external/marsio.h
+++ b/include/external/marsio.h
@@ -108,11 +108,14 @@ enum mr_buff_metadata_type
     /* session id */
     MR_BUFF_SESSION_ID = 3,
     /* dir, internal->external or external->internal */
-    MR_BUFF_DIR = 4
+    MR_BUFF_DIR = 4,
+    /* payload offset */
+    MR_BUFF_PAYLOAD_OFFSET = 5
 };
 
 #ifdef __cplusplus
-extern "C" {
+extern "C"
+{
 #endif
 
 #include <netinet/in.h>
@@ -185,6 +188,9 @@ void * marsio_buff_ctrlzone_data(marsio_buff_t * m, uint8_t id, uint8_t * size);
 // a safe way to set control zone data.
 void marsio_buff_ctrlzone_set(marsio_buff_t * m, uint8_t id, void * ptr_data, uint8_t size);
 
+// a safe way to reset control zone data.
+void marsio_buff_ctrlzone_reset(marsio_buff_t * m);
+
 void marsio_buff_reset(marsio_buff_t * m);
 
 marsio_buff_t * marsio_buff_getnext_seg(marsio_buff_t * m);
@@ -267,13 +273,13 @@ int marsio_buff_unset_metadata(marsio_buff_t * m, enum mr_buff_metadata_type typ
 
 /* sid */
 typedef uint16_t sid_t;
-#define MR_SID_LIST_MAXLEN      8
+#define MR_SID_LIST_MAXLEN 8
 
 int marsio_buff_get_sid_list(marsio_buff_t * m, sid_t * out_slist, uint8_t sz_out_slist);
 int marsio_buff_set_sid_list(marsio_buff_t * m, sid_t * slist, uint8_t sz_slist);
 int marsio_buff_append_sid_list(marsio_buff_t * m, sid_t * slist, uint8_t sz_slist);
 int marsio_buff_prepend_sid_list(marsio_buff_t * m, sid_t * slist, uint8_t sz_slist);
-int marsio_buff_get_current_sid(marsio_buff_t *m, sid_t * sid);
+int marsio_buff_get_current_sid(marsio_buff_t * m, sid_t * sid);
 
 #ifdef __cplusplus
 }
diff --git a/include/internal/mrb_define.h b/include/internal/mrb_define.h
index 0bbd3d8..db2e12a 100644
--- a/include/internal/mrb_define.h
+++ b/include/internal/mrb_define.h
@@ -21,6 +21,14 @@ struct mrb_metadata
     uint8_t packet_create_from_nf : 1;
     uint8_t link_id : 6;
 
+    uint8_t is_ctrlbuf : 1;
+    uint8_t un_used : 7;
+
+    uint16_t payload_offset;
+
+    /* Session Id */
+    uint64_t session_id;
+
     /* for sid forwarder */
     uint8_t start_sid;
     uint8_t nr_sid;