| /* |
| * (C) 2010-2011 by Holger Hans Peter Freyther <zecke@selfish.org> |
| * (C) 2010-2011 by On-Waves |
| * 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/>. |
| * |
| */ |
| #ifndef mtp_data_h |
| #define mtp_data_h |
| |
| #include <osmocore/msgb.h> |
| #include <osmocore/timer.h> |
| #include <osmocore/utils.h> |
| |
| struct bsc_data; |
| struct mtp_link; |
| struct mtp_level_3_mng *mng; |
| struct rate_ctr_group; |
| struct ss7_application; |
| |
| /* MTP Level3 timers */ |
| |
| /* Timers for SS7 */ |
| #define MTP_T1 12, 0 |
| #define MTP_T2 30, 0 |
| #define START_DELAY 8, 0 |
| |
| /** |
| * The state of the mtp_link in terms of layer3 and upwards |
| */ |
| struct mtp_link_set { |
| struct llist_head entry; |
| int nr; |
| char *name; |
| |
| |
| /* routing info.. */ |
| int dpc, opc, sccp_opc, isup_opc; |
| int ni; |
| int spare; |
| |
| |
| /* internal state */ |
| /* the MTP1 link is up */ |
| int available; |
| int running; |
| int sccp_up; |
| int linkset_up; |
| |
| int last_sls; |
| |
| struct llist_head links; |
| int nr_links; |
| struct mtp_link *slc[16]; |
| int sltm_once; |
| |
| /* ssn map */ |
| int supported_ssn[256]; |
| |
| int pcap_fd; |
| |
| /* special handling */ |
| int pass_all_isup; |
| |
| /* statistics */ |
| struct rate_ctr_group *ctrg; |
| |
| /* custom data */ |
| struct ss7_application *app; |
| }; |
| |
| /** |
| * One physical link to somewhere. This is the base |
| * with the interface used by the mtp_link_set. There |
| * will be specific implementations for M2UA, UDP and |
| * other transport means. |
| */ |
| struct mtp_link { |
| struct llist_head entry; |
| |
| int pcap_fd; |
| struct mtp_link_set *set; |
| |
| int available; |
| |
| struct timer_list link_activate; |
| |
| /* link test routine */ |
| uint8_t test_ptrn[14]; |
| |
| int blocked; |
| |
| int first_sls; |
| int link_no; |
| int sltm_pending; |
| int was_up; |
| |
| int slta_misses; |
| struct timer_list t1_timer; |
| struct timer_list t2_timer; |
| |
| /* statistics */ |
| struct rate_ctr_group *ctrg; |
| |
| /* callback's to implement */ |
| int (*start)(struct mtp_link *); |
| int (*write)(struct mtp_link *, struct msgb *msg); |
| int (*shutdown)(struct mtp_link *); |
| int (*reset)(struct mtp_link *data); |
| int (*clear_queue)(struct mtp_link *data); |
| }; |
| |
| |
| void mtp_link_set_stop(struct mtp_link_set *link); |
| void mtp_link_set_reset(struct mtp_link_set *link); |
| int mtp_link_set_data(struct mtp_link *link, struct msgb *msg); |
| int mtp_link_set_submit_sccp_data(struct mtp_link_set *link, int sls, const uint8_t *data, unsigned int length); |
| int mtp_link_set_submit_isup_data(struct mtp_link_set *link, int sls, const uint8_t *data, unsigned int length); |
| |
| void mtp_link_set_init_slc(struct mtp_link_set *set); |
| int mtp_link_set_add_link(struct mtp_link_set *set, struct mtp_link *link); |
| |
| void mtp_link_block(struct mtp_link *link); |
| void mtp_link_unblock(struct mtp_link *link); |
| |
| |
| /* to be implemented for MSU sending */ |
| void mtp_link_submit(struct mtp_link *link, struct msgb *msg); |
| void mtp_link_set_forward_sccp(struct mtp_link_set *link, struct msgb *msg, int sls); |
| void mtp_link_set_forward_isup(struct mtp_link_set *link, struct msgb *msg, int sls); |
| void mtp_link_restart(struct mtp_link *link); |
| int mtp_link_set_send(struct mtp_link_set *set, struct msgb *msg); |
| |
| /* link related routines */ |
| void mtp_link_down(struct mtp_link *data); |
| void mtp_link_up(struct mtp_link *data); |
| |
| int mtp_link_init(struct mtp_link *link); |
| void mtp_link_start_link_test(struct mtp_link *link); |
| void mtp_link_stop_link_test(struct mtp_link *link); |
| int mtp_link_slta(struct mtp_link *link, uint16_t l3_len, struct mtp_level_3_mng *mng); |
| |
| void mtp_link_failure(struct mtp_link *fail); |
| |
| /* internal routines */ |
| struct msgb *mtp_msg_alloc(struct mtp_link_set *link); |
| |
| /* link management */ |
| struct mtp_link_set *mtp_link_set_alloc(struct bsc_data *bsc); |
| struct mtp_link_set *mtp_link_set_num(struct bsc_data *bsc, int num); |
| |
| #endif |