diff --git a/include/osmocom/bsc/paging.h b/include/osmocom/bsc/paging.h index 533f3667a..2b1bc506c 100644 --- a/include/osmocom/bsc/paging.h +++ b/include/osmocom/bsc/paging.h @@ -75,4 +75,7 @@ unsigned int paging_pending_requests_nr(struct gsm_bts *bts); struct bsc_msc_data *paging_get_msc(struct gsm_bts *bts, struct bsc_subscr *bsub); +void paging_flush_bts(struct gsm_bts *bts, struct bsc_msc_data *msc); +void paging_flush_network(struct gsm_network *net, struct bsc_msc_data *msc); + #endif diff --git a/src/libbsc/paging.c b/src/libbsc/paging.c index f4679de5a..8d54d0a5e 100644 --- a/src/libbsc/paging.c +++ b/src/libbsc/paging.c @@ -467,3 +467,26 @@ struct bsc_msc_data *paging_get_msc(struct gsm_bts *bts, struct bsc_subscr *bsub return NULL; } + +/*! Flush all paging requests at a given BTS for a given MSC*/ +void paging_flush_bts(struct gsm_bts *bts, struct bsc_msc_data *msc) +{ + struct gsm_paging_request *req, *req2; + + llist_for_each_entry_safe(req, req2, &bts->paging.pending_requests, entry) { + if (msc && req->msc != msc) + continue; + /* now give up the data structure */ + LOGP(DPAG, LOGL_DEBUG, "Stop paging %s on bts %d (flush).\n", req->bsub->imsi, bts->nr); + paging_remove_request(&bts->paging, req); + } +} + +/*! Flush all paging requests issued by \a msc on any BTS in \a net */ +void paging_flush_network(struct gsm_network *net, struct bsc_msc_data *msc) +{ + struct gsm_bts *bts; + + llist_for_each_entry(bts, &net->bts_list, list) + paging_flush_bts(bts, msc); +} diff --git a/src/osmo-bsc/osmo_bsc_bssap.c b/src/osmo-bsc/osmo_bsc_bssap.c index 73776adde..051b74e60 100644 --- a/src/osmo-bsc/osmo_bsc_bssap.c +++ b/src/osmo-bsc/osmo_bsc_bssap.c @@ -218,6 +218,9 @@ static int bssmap_handle_reset(struct bsc_msc_data *msc, * close all active channels on the BTS side as well */ osmo_bsc_sigtran_reset(msc); + /* Drop all ongoing paging requests that this MSC has created on any BTS */ + paging_flush_network(msc->network, msc); + /* Inform the MSC that we have received the reset request and * that we acted accordingly */ osmo_bsc_sigtran_tx_reset_ack(msc);