| /* |
| * (C) 2010 by Holger Hans Peter Freyther <zecke@selfish.org> |
| * (C) 2010 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 General Public License as published by |
| * the Free Software Foundation; either version 2 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 General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| */ |
| #ifndef mtp_data_h |
| #define mtp_data_h |
| |
| #include <osmocore/msgb.h> |
| #include <osmocore/timer.h> |
| #include <osmocore/utils.h> |
| |
| /* 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 { |
| /* routing info.. */ |
| int dpc, opc; |
| |
| /* internal state */ |
| /* the MTP1 link is up */ |
| int available; |
| int running; |
| int sccp_up; |
| |
| /* misc data */ |
| uint8_t test_ptrn[14]; |
| |
| int sltm_pending; |
| struct llist_head pending_msgs; |
| int sltm_once; |
| int was_up; |
| |
| |
| /* the associated link */ |
| int link; |
| |
| int slta_misses; |
| struct timer_list t1_timer; |
| struct timer_list t2_timer; |
| |
| struct timer_list delay_timer; |
| }; |
| |
| |
| struct mtp_link *mtp_link_alloc(void); |
| void mtp_link_stop(struct mtp_link *link); |
| void mtp_link_reset(struct mtp_link *link); |
| int mtp_link_data(struct mtp_link *link, struct msgb *msg); |
| int mtp_link_submit_sccp_data(struct mtp_link *link, int sls, const uint8_t *data, unsigned int length); |
| |
| |
| /* one time init function */ |
| void mtp_link_init(void); |
| |
| /* to be implemented for MSU sending */ |
| void mtp_link_submit(struct mtp_link *link, struct msgb *msg); |
| void mtp_link_forward_sccp(struct mtp_link *link, struct msgb *msg, int sls); |
| void mtp_link_restart(struct mtp_link *link); |
| void mtp_link_slta_recv(struct mtp_link *link); |
| void mtp_link_sccp_down(struct mtp_link *link); |
| |
| #endif |