diff options
Diffstat (limited to 'src/gprs/gb_proxy_peer.c')
-rw-r--r-- | src/gprs/gb_proxy_peer.c | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/src/gprs/gb_proxy_peer.c b/src/gprs/gb_proxy_peer.c deleted file mode 100644 index 890968717..000000000 --- a/src/gprs/gb_proxy_peer.c +++ /dev/null @@ -1,222 +0,0 @@ -/* Gb proxy peer handling */ - -/* (C) 2010 by Harald Welte <laforge@gnumonks.org> - * (C) 2010-2013 by On-Waves - * (C) 2013 by Holger Hans Peter Freyther - * All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - * - */ - -#include <openbsc/gb_proxy.h> - -#include <openbsc/gsm_data.h> -#include <openbsc/gsm_data_shared.h> -#include <openbsc/debug.h> - -#include <osmocom/gprs/protocol/gsm_08_18.h> -#include <osmocom/core/rate_ctr.h> -#include <osmocom/core/stats.h> -#include <osmocom/core/talloc.h> - -#include <string.h> - -static const struct rate_ctr_desc peer_ctr_description[] = { - { "blocked", "BVC Block " }, - { "unblocked", "BVC Unblock " }, - { "dropped", "BVC blocked, dropped packet " }, - { "inv-nsei", "NSEI mismatch " }, - { "tx-err", "NS Transmission error " }, - { "raid-mod.bss", "RAID patched (BSS )" }, - { "raid-mod.sgsn", "RAID patched (SGSN)" }, - { "apn-mod.sgsn", "APN patched " }, - { "tlli-mod.bss", "TLLI patched (BSS )" }, - { "tlli-mod.sgsn", "TLLI patched (SGSN)" }, - { "ptmsi-mod.bss", "P-TMSI patched (BSS )" }, - { "ptmsi-mod.sgsn","P-TMSI patched (SGSN)" }, - { "mod-crypt-err", "Patch error: encrypted " }, - { "mod-err", "Patch error: other " }, - { "attach-reqs", "Attach Request count " }, - { "attach-rejs", "Attach Reject count " }, - { "attach-acks", "Attach Accept count " }, - { "attach-cpls", "Attach Completed count " }, - { "ra-upd-reqs", "RoutingArea Update Request count" }, - { "ra-upd-rejs", "RoutingArea Update Reject count " }, - { "ra-upd-acks", "RoutingArea Update Accept count " }, - { "ra-upd-cpls", "RoutingArea Update Compltd count" }, - { "gmm-status", "GMM Status count (BSS)" }, - { "gmm-status", "GMM Status count (SGSN)" }, - { "detach-reqs", "Detach Request count " }, - { "detach-acks", "Detach Accept count " }, - { "pdp-act-reqs", "PDP Activation Request count " }, - { "pdp-act-rejs", "PDP Activation Reject count " }, - { "pdp-act-acks", "PDP Activation Accept count " }, - { "pdp-deact-reqs","PDP Deactivation Request count " }, - { "pdp-deact-acks","PDP Deactivation Accept count " }, - { "tlli-unknown", "TLLI from SGSN unknown " }, - { "tlli-cache", "TLLI cache size " }, -}; - -osmo_static_assert(ARRAY_SIZE(peer_ctr_description) == GBPROX_PEER_CTR_LAST, everything_described); - -static const struct rate_ctr_group_desc peer_ctrg_desc = { - .group_name_prefix = "gbproxy.peer", - .group_description = "GBProxy Peer Statistics", - .num_ctr = ARRAY_SIZE(peer_ctr_description), - .ctr_desc = peer_ctr_description, - .class_id = OSMO_STATS_CLASS_PEER, -}; - - -/* Find the gbprox_peer by its BVCI */ -struct gbproxy_peer *gbproxy_peer_by_bvci(struct gbproxy_config *cfg, uint16_t bvci) -{ - struct gbproxy_peer *peer; - llist_for_each_entry(peer, &cfg->bts_peers, list) { - if (peer->bvci == bvci) - return peer; - } - return NULL; -} - -/* Find the gbprox_peer by its NSEI */ -struct gbproxy_peer *gbproxy_peer_by_nsei(struct gbproxy_config *cfg, - uint16_t nsei) -{ - struct gbproxy_peer *peer; - llist_for_each_entry(peer, &cfg->bts_peers, list) { - if (peer->nsei == nsei) - return peer; - } - return NULL; -} - -/* look-up a peer by its Routeing Area Identification (RAI) */ -struct gbproxy_peer *gbproxy_peer_by_rai(struct gbproxy_config *cfg, - const uint8_t *ra) -{ - struct gbproxy_peer *peer; - llist_for_each_entry(peer, &cfg->bts_peers, list) { - if (!memcmp(peer->ra, ra, 6)) - return peer; - } - return NULL; -} - -/* look-up a peer by its Location Area Identification (LAI) */ -struct gbproxy_peer *gbproxy_peer_by_lai(struct gbproxy_config *cfg, - const uint8_t *la) -{ - struct gbproxy_peer *peer; - llist_for_each_entry(peer, &cfg->bts_peers, list) { - if (!memcmp(peer->ra, la, 5)) - return peer; - } - return NULL; -} - -/* look-up a peer by its Location Area Code (LAC) */ -struct gbproxy_peer *gbproxy_peer_by_lac(struct gbproxy_config *cfg, - const uint8_t *la) -{ - struct gbproxy_peer *peer; - llist_for_each_entry(peer, &cfg->bts_peers, list) { - if (!memcmp(peer->ra + 3, la + 3, 2)) - return peer; - } - return NULL; -} - -struct gbproxy_peer *gbproxy_peer_by_bssgp_tlv(struct gbproxy_config *cfg, - struct tlv_parsed *tp) -{ - if (TLVP_PRESENT(tp, BSSGP_IE_BVCI)) { - uint16_t bvci; - - bvci = ntohs(tlvp_val16_unal(tp, BSSGP_IE_BVCI)); - if (bvci >= 2) - return gbproxy_peer_by_bvci(cfg, bvci); - } - - if (TLVP_PRESENT(tp, BSSGP_IE_ROUTEING_AREA)) { - uint8_t *rai = (uint8_t *)TLVP_VAL(tp, BSSGP_IE_ROUTEING_AREA); - /* Only compare LAC part, since MCC/MNC are possibly patched. - * Since the LAC of different BSS must be different when - * MCC/MNC are patched, collisions shouldn't happen. */ - return gbproxy_peer_by_lac(cfg, rai); - } - - if (TLVP_PRESENT(tp, BSSGP_IE_LOCATION_AREA)) { - uint8_t *lai = (uint8_t *)TLVP_VAL(tp, BSSGP_IE_LOCATION_AREA); - return gbproxy_peer_by_lac(cfg, lai); - } - - return NULL; -} - - -struct gbproxy_peer *gbproxy_peer_alloc(struct gbproxy_config *cfg, uint16_t bvci) -{ - struct gbproxy_peer *peer; - - peer = talloc_zero(tall_bsc_ctx, struct gbproxy_peer); - if (!peer) - return NULL; - - peer->bvci = bvci; - peer->ctrg = rate_ctr_group_alloc(peer, &peer_ctrg_desc, bvci); - if (!peer->ctrg) { - talloc_free(peer); - return NULL; - } - peer->cfg = cfg; - - llist_add(&peer->list, &cfg->bts_peers); - - INIT_LLIST_HEAD(&peer->patch_state.logical_links); - - return peer; -} - -void gbproxy_peer_free(struct gbproxy_peer *peer) -{ - llist_del(&peer->list); - - gbproxy_delete_link_infos(peer); - - rate_ctr_group_free(peer->ctrg); - peer->ctrg = NULL; - - talloc_free(peer); -} - -int gbproxy_cleanup_peers(struct gbproxy_config *cfg, uint16_t nsei, uint16_t bvci) -{ - int counter = 0; - struct gbproxy_peer *peer, *tmp; - - llist_for_each_entry_safe(peer, tmp, &cfg->bts_peers, list) { - if (peer->nsei != nsei) - continue; - if (bvci && peer->bvci != bvci) - continue; - - gbproxy_peer_free(peer); - counter += 1; - } - - return counter; -} - |