diff --git a/openbsc/include/openbsc/msgb.h b/openbsc/include/openbsc/msgb.h index 5ecac459b..ab3c03396 100644 --- a/openbsc/include/openbsc/msgb.h +++ b/openbsc/include/openbsc/msgb.h @@ -51,6 +51,7 @@ extern struct msgb *msgb_alloc(u_int16_t size, const char *name); extern void msgb_free(struct msgb *m); extern void msgb_enqueue(struct llist_head *queue, struct msgb *msg); extern struct msgb *msgb_dequeue(struct llist_head *queue); +extern void msgb_reset(struct msgb *m); #define msgb_l2(m) ((void *)(m->l2h)) #define msgb_l3(m) ((void *)(m->l3h)) diff --git a/openbsc/src/msgb.c b/openbsc/src/msgb.c index 52edf2dcd..edeb975a9 100644 --- a/openbsc/src/msgb.c +++ b/openbsc/src/msgb.c @@ -74,6 +74,26 @@ struct msgb *msgb_dequeue(struct llist_head *queue) return llist_entry(lh, struct msgb, list); } +void msgb_reset(struct msgb *msg) +{ + msg->len = 0; + msg->len = 0; + msg->data = msg->_data; + + msg->head = msg->data; + msg->data = msg->data; + /* reset tail pointer */ + msg->tail = msg->data; + + /* reset pointers */ + msg->bts_link = NULL; + msg->trx = NULL; + msg->lchan = NULL; + msg->l2h = NULL; + msg->l3h = NULL; + msg->smsh = NULL; +} + static __attribute__((constructor)) void on_dso_load_trau_msgb(void) { tall_msgb_ctx = talloc_named_const(tall_bsc_ctx, 1, "msgb");