Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 1 | /* Everything related to the BSC connection */ |
| 2 | /* |
Holger Hans Peter Freyther | c840569 | 2011-01-02 20:24:08 +0100 | [diff] [blame] | 3 | * (C) 2010-2011 by Holger Hans Peter Freyther <zecke@selfish.org> |
| 4 | * (C) 2010-2011 by On-Waves |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 5 | * All Rights Reserved |
| 6 | * |
Holger Hans Peter Freyther | de56c22 | 2011-01-16 17:45:14 +0100 | [diff] [blame] | 7 | * This program is free software: you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU Affero General Public License as published by |
| 9 | * the Free Software Foundation, either version 3 of the License, or |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
Holger Hans Peter Freyther | de56c22 | 2011-01-16 17:45:14 +0100 | [diff] [blame] | 15 | * GNU Affero General Public License for more details. |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 16 | * |
Holger Hans Peter Freyther | de56c22 | 2011-01-16 17:45:14 +0100 | [diff] [blame] | 17 | * You should have received a copy of the GNU Affero General Public License |
| 18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 19 | * |
| 20 | */ |
| 21 | |
| 22 | #ifndef BSC_DATA_H |
| 23 | #define BSC_DATA_H |
| 24 | |
Holger Hans Peter Freyther | 0e2f911 | 2011-01-17 11:54:39 +0100 | [diff] [blame] | 25 | #include "mtp_data.h" |
| 26 | |
Holger Hans Peter Freyther | cbf7d18 | 2010-07-31 05:25:35 +0800 | [diff] [blame] | 27 | #include <osmocore/linuxlist.h> |
| 28 | #include <osmocore/select.h> |
| 29 | #include <osmocore/timer.h> |
| 30 | #include <osmocore/write_queue.h> |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 31 | |
Holger Hans Peter Freyther | 0e4e35f | 2010-09-30 03:04:28 +0800 | [diff] [blame] | 32 | #include <osmocore/protocol/gsm_04_08.h> |
| 33 | |
Holger Hans Peter Freyther | cf381e2 | 2010-08-04 18:39:26 +0800 | [diff] [blame] | 34 | #include <osmocom/sccp/sccp.h> |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 35 | |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 36 | |
| 37 | #include <netinet/in.h> |
| 38 | #include <arpa/inet.h> |
| 39 | |
| 40 | struct bsc_data; |
| 41 | struct snmp_mtp_session; |
Holger Hans Peter Freyther | 84ec871 | 2011-02-15 20:01:47 +0100 | [diff] [blame] | 42 | struct msc_connection; |
Holger Hans Peter Freyther | f7ce2c6 | 2011-02-15 15:45:32 +0100 | [diff] [blame] | 43 | struct mtp_m2ua_transport; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 44 | |
Holger Hans Peter Freyther | f38114e | 2011-01-20 21:11:13 +0100 | [diff] [blame] | 45 | struct mtp_udp_data { |
| 46 | struct write_queue write_queue; |
Holger Hans Peter Freyther | 083a30b | 2011-01-21 12:57:12 +0100 | [diff] [blame] | 47 | struct timer_list snmp_poll; |
Holger Hans Peter Freyther | f38114e | 2011-01-20 21:11:13 +0100 | [diff] [blame] | 48 | |
| 49 | struct llist_head links; |
| 50 | }; |
| 51 | |
Holger Hans Peter Freyther | 0e2f911 | 2011-01-17 11:54:39 +0100 | [diff] [blame] | 52 | struct mtp_udp_link { |
| 53 | /* subclass */ |
| 54 | struct mtp_link base; |
Holger Hans Peter Freyther | fe72c16 | 2011-01-04 13:21:52 +0100 | [diff] [blame] | 55 | |
Holger Hans Peter Freyther | 0e2f911 | 2011-01-17 11:54:39 +0100 | [diff] [blame] | 56 | /* UDP specific stuff */ |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 57 | struct bsc_data *bsc; |
Holger Hans Peter Freyther | 0e2f911 | 2011-01-17 11:54:39 +0100 | [diff] [blame] | 58 | int link_index; |
| 59 | int reset_timeout; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 60 | |
Holger Hans Peter Freyther | f38114e | 2011-01-20 21:11:13 +0100 | [diff] [blame] | 61 | struct sockaddr_in remote; |
| 62 | |
| 63 | struct mtp_udp_data *data; |
| 64 | struct llist_head entry; |
Holger Hans Peter Freyther | 3a1c0af | 2011-01-24 20:21:11 +0100 | [diff] [blame] | 65 | |
| 66 | /* snmp for controlling the link */ |
| 67 | struct snmp_mtp_session *session; |
Holger Hans Peter Freyther | f38114e | 2011-01-20 21:11:13 +0100 | [diff] [blame] | 68 | }; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 69 | |
| 70 | struct bsc_data { |
Holger Hans Peter Freyther | a310e53 | 2011-01-22 16:34:16 +0100 | [diff] [blame] | 71 | int app; |
| 72 | |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 73 | struct timer_list start_timer; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 74 | int setup; |
Holger Hans Peter Freyther | 644aafb | 2011-01-03 23:51:07 +0100 | [diff] [blame] | 75 | int pcap_fd; |
| 76 | int udp_reset_timeout; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 77 | |
Holger Hans Peter Freyther | f38114e | 2011-01-20 21:11:13 +0100 | [diff] [blame] | 78 | /* udp code */ |
| 79 | struct mtp_udp_data udp_data; |
| 80 | |
Holger Hans Peter Freyther | 7942abc | 2010-09-30 00:34:46 +0800 | [diff] [blame] | 81 | int dpc; |
| 82 | int opc; |
Holger Hans Peter Freyther | 7a72556 | 2011-01-01 13:34:58 +0100 | [diff] [blame] | 83 | int sccp_opc; |
Holger Hans Peter Freyther | d8a73e2 | 2011-01-17 22:37:11 +0100 | [diff] [blame] | 84 | int isup_opc; |
Holger Hans Peter Freyther | 7942abc | 2010-09-30 00:34:46 +0800 | [diff] [blame] | 85 | int src_port; |
| 86 | int udp_port; |
| 87 | char *udp_ip; |
Holger Hans Peter Freyther | c6bfa27 | 2011-01-22 17:06:34 +0100 | [diff] [blame] | 88 | int udp_nr_links; |
Holger Hans Peter Freyther | 7942abc | 2010-09-30 00:34:46 +0800 | [diff] [blame] | 89 | int once; |
Holger Hans Peter Freyther | 0e4e35f | 2010-09-30 03:04:28 +0800 | [diff] [blame] | 90 | |
Holger Hans Peter Freyther | b38b33b | 2010-11-26 21:21:04 +0100 | [diff] [blame] | 91 | /* the network header to use */ |
| 92 | int ni_ni; |
| 93 | int ni_spare; |
| 94 | |
Holger Hans Peter Freyther | f603f28 | 2011-01-30 00:24:15 +0100 | [diff] [blame] | 95 | /* isup handling */ |
| 96 | int isup_pass; |
| 97 | |
Holger Hans Peter Freyther | 599c9a4 | 2011-02-15 11:18:38 +0100 | [diff] [blame] | 98 | /* MTP Links */ |
| 99 | struct llist_head linksets; |
| 100 | int num_linksets; |
Holger Hans Peter Freyther | 0452f22 | 2011-02-03 13:35:42 +0100 | [diff] [blame] | 101 | |
| 102 | /* inject */ |
Holger Hans Peter Freyther | ee63d7d | 2011-02-10 12:39:05 +0100 | [diff] [blame] | 103 | int allow_inject; |
Holger Hans Peter Freyther | 0452f22 | 2011-02-03 13:35:42 +0100 | [diff] [blame] | 104 | struct bsc_fd inject_fd; |
| 105 | struct llist_head inject_list; |
Holger Hans Peter Freyther | e86c02e | 2011-02-10 15:32:14 +0100 | [diff] [blame] | 106 | |
Holger Hans Peter Freyther | f7ce2c6 | 2011-02-15 15:45:32 +0100 | [diff] [blame] | 107 | /* m2ua code */ |
| 108 | struct sctp_m2ua_transport *m2ua_trans; |
Holger Hans Peter Freyther | 84ec871 | 2011-02-15 20:01:47 +0100 | [diff] [blame] | 109 | |
| 110 | /* MSCs */ |
| 111 | struct llist_head mscs; |
| 112 | int num_mscs; |
Holger Hans Peter Freyther | a7bc3aa | 2011-02-16 16:12:07 +0100 | [diff] [blame^] | 113 | |
| 114 | /* application */ |
| 115 | struct llist_head apps; |
| 116 | int num_apps; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 117 | }; |
| 118 | |
| 119 | /* bsc related functions */ |
Holger Hans Peter Freyther | 84ec871 | 2011-02-15 20:01:47 +0100 | [diff] [blame] | 120 | void release_bsc_resources(struct msc_connection *fw); |
Holger Hans Peter Freyther | c840569 | 2011-01-02 20:24:08 +0100 | [diff] [blame] | 121 | |
| 122 | void mtp_linkset_down(struct mtp_link_set *); |
| 123 | void mtp_linkset_up(struct mtp_link_set *); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 124 | |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 125 | /* connection tracking and action */ |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 126 | |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 127 | /* udp init */ |
Holger Hans Peter Freyther | 3a1c0af | 2011-01-24 20:21:11 +0100 | [diff] [blame] | 128 | int link_global_init(struct mtp_udp_data *data, int src_port); |
| 129 | int link_udp_init(struct mtp_udp_link *data, char *dest_ip, int port); |
Holger Hans Peter Freyther | 89fa11a | 2011-02-10 18:26:07 +0100 | [diff] [blame] | 130 | struct mtp_link_set *link_init(struct bsc_data *bsc); |
Holger Hans Peter Freyther | fe72c16 | 2011-01-04 13:21:52 +0100 | [diff] [blame] | 131 | int link_shutdown_all(struct mtp_link_set *); |
| 132 | int link_reset_all(struct mtp_link_set *); |
| 133 | int link_clear_all(struct mtp_link_set *); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 134 | |
Holger Hans Peter Freyther | ddf8eae | 2011-01-22 17:36:01 +0100 | [diff] [blame] | 135 | /* pcap */ |
Holger Hans Peter Freyther | 36260e9 | 2011-01-22 17:37:56 +0100 | [diff] [blame] | 136 | enum { |
| 137 | NET_IN, |
| 138 | NET_OUT, |
| 139 | }; |
| 140 | int mtp_handle_pcap(struct mtp_link *, int dir, const uint8_t *data, int length); |
Holger Hans Peter Freyther | ddf8eae | 2011-01-22 17:36:01 +0100 | [diff] [blame] | 141 | |
Holger Hans Peter Freyther | 2ff47b8 | 2011-02-15 20:25:10 +0100 | [diff] [blame] | 142 | struct bsc_data *bsc_data_create(); |
| 143 | |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 144 | #endif |