bbr start called after seq number updated. (ARMmbed#1875)

cmonr · Oct 23, 2018 · 7327652 · 7327652
1 parent 98be8b2
commit 7327652
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/source/6LoWPAN/Thread/thread_extension_bbr.c b/source/6LoWPAN/Thread/thread_extension_bbr.c
@@ -1441,14 +1441,17 @@ int thread_extension_bbr_address_set(int8_t interface_id, const uint8_t *addr_pt
 int thread_extension_bbr_sequence_number_set(int8_t interface_id, uint8_t seq_number)
 {
  thread_pbbr_t *this = thread_bbr_find_by_interface(interface_id);
-
  if (!this) {
  return -1;
  }
  if (seq_number) {
  this->sequence_number = --seq_number;
  }
-
+ if(this->backbone_interface_id < 0 || !this->pbbr_started) {
+ // it is ok to change seq number before the start of pbbr
+ return 0;
+ }
+ thread_extension_bbr_pbbr_start(this);
  return 0;
 }