+static void decode_udh(const unsigned char *data)
+{
+ const unsigned char *start = data;
+ const unsigned char *end;
+ unsigned int type, len;
+
+ len = *(data++);
+ end = data + len;
+ while (data < end) {
+ const unsigned char *val;
+
+ type = data[0];
+ len = data[1];
+ val = &data[2];
+ data += 2 + len;
+ if (data > end)
+ break;
+
+ switch (type) {
+ case 0:
+ blobmsg_add_u32(&status, "concat_ref", (uint32_t) val[0]);
+ blobmsg_add_u32(&status, "concat_part", (uint32_t) val[2] + 1);
+ blobmsg_add_u32(&status, "concat_parts", (uint32_t) val[1]);
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+static void decode_7bit_field(char *name, const unsigned char *data, int data_len, bool udh)