Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 1 | #ifndef _GB_PROXY_H |
| 2 | #define _GB_PROXY_H |
| 3 | |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 4 | |
Pablo Neira Ayuso | 136f453 | 2011-03-22 16:47:59 +0100 | [diff] [blame] | 5 | #include <osmocom/core/msgb.h> |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 6 | |
Harald Welte | ea34a4e | 2012-06-16 14:59:56 +0800 | [diff] [blame] | 7 | #include <osmocom/gprs/gprs_ns.h> |
Harald Welte | 4b037e4 | 2010-05-19 19:45:32 +0200 | [diff] [blame] | 8 | #include <osmocom/vty/command.h> |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 9 | |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 10 | struct rate_ctr_group; |
| 11 | |
Jacob Erlbeck | 91fb680 | 2014-05-28 10:59:10 +0200 | [diff] [blame] | 12 | enum gbproxy_patch_mode { |
| 13 | GBPROX_PATCH_DEFAULT, |
| 14 | GBPROX_PATCH_BSSGP, /*!< BSGGP messages only */ |
| 15 | GBPROX_PATCH_LLC_ATTACH_REQ, /*!< BSSGP and Attach Request */ |
| 16 | GBPROX_PATCH_LLC_ATTACH, /*!< BSSGP and Attach Request/Response */ |
| 17 | GBPROX_PATCH_LLC_GMM, /*!< BSSGP and all GMM msgs */ |
Jacob Erlbeck | 7368528 | 2014-05-23 20:48:07 +0200 | [diff] [blame] | 18 | GBPROX_PATCH_LLC_GSM, /*!< BSSGP and all GMM and GSM msgs */ |
Jacob Erlbeck | 91fb680 | 2014-05-28 10:59:10 +0200 | [diff] [blame] | 19 | GBPROX_PATCH_LLC, /*!< BSSGP and all supported LLC msgs */ |
| 20 | }; |
| 21 | |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 22 | struct gbproxy_config { |
| 23 | /* parsed from config file */ |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 24 | uint16_t nsip_sgsn_nsei; |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 25 | |
| 26 | /* misc */ |
| 27 | struct gprs_ns_inst *nsi; |
Jacob Erlbeck | 67a4445 | 2014-05-19 10:14:58 +0200 | [diff] [blame] | 28 | |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 29 | /* Linked list of all Gb peers (except SGSN) */ |
| 30 | struct llist_head bts_peers; |
| 31 | |
Holger Hans Peter Freyther | a7027a0 | 2014-08-04 11:19:56 +0200 | [diff] [blame^] | 32 | /* Counter */ |
| 33 | struct rate_ctr_group *ctrg; |
| 34 | |
Jacob Erlbeck | 67a4445 | 2014-05-19 10:14:58 +0200 | [diff] [blame] | 35 | /* force mcc/mnc */ |
| 36 | int core_mnc; |
| 37 | int core_mcc; |
Jacob Erlbeck | 7368528 | 2014-05-23 20:48:07 +0200 | [diff] [blame] | 38 | uint8_t* core_apn; |
| 39 | size_t core_apn_size; |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 40 | char * match_re; |
Jacob Erlbeck | 91fb680 | 2014-05-28 10:59:10 +0200 | [diff] [blame] | 41 | enum gbproxy_patch_mode patch_mode; |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 42 | int tlli_max_age; |
| 43 | int tlli_max_len; |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 44 | }; |
| 45 | |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 46 | struct gbprox_patch_state { |
| 47 | int local_mnc; |
| 48 | int local_mcc; |
| 49 | |
| 50 | /* List of TLLIs for which patching is enabled */ |
| 51 | struct llist_head enabled_tllis; |
| 52 | int enabled_tllis_count; |
| 53 | }; |
| 54 | |
| 55 | struct gbprox_peer { |
| 56 | struct llist_head list; |
| 57 | |
| 58 | /* NSEI of the peer entity */ |
| 59 | uint16_t nsei; |
| 60 | |
| 61 | /* BVCI used for Point-to-Point to this peer */ |
| 62 | uint16_t bvci; |
| 63 | int blocked; |
| 64 | |
| 65 | /* Routeing Area that this peer is part of (raw 04.08 encoding) */ |
| 66 | uint8_t ra[6]; |
| 67 | |
| 68 | /* Counter */ |
| 69 | struct rate_ctr_group *ctrg; |
| 70 | |
| 71 | struct gbprox_patch_state patch_state; |
| 72 | }; |
| 73 | |
| 74 | struct gbprox_tlli_info { |
| 75 | struct llist_head list; |
| 76 | |
| 77 | uint32_t tlli; |
| 78 | time_t timestamp; |
| 79 | uint8_t *mi_data; |
| 80 | size_t mi_data_len; |
| 81 | }; |
| 82 | |
| 83 | |
Harald Welte | 672f5c4 | 2010-05-03 18:54:58 +0200 | [diff] [blame] | 84 | extern struct gbproxy_config gbcfg; |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 85 | |
| 86 | /* gb_proxy_vty .c */ |
| 87 | |
| 88 | int gbproxy_vty_init(void); |
| 89 | int gbproxy_parse_config(const char *config_file, struct gbproxy_config *cfg); |
| 90 | |
| 91 | |
| 92 | /* gb_proxy.c */ |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 93 | int gbproxy_init_config(struct gbproxy_config *cfg); |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 94 | |
| 95 | /* Main input function for Gb proxy */ |
Jacob Erlbeck | e75fec6 | 2013-10-15 12:00:27 +0200 | [diff] [blame] | 96 | int gbprox_rcvmsg(struct msgb *msg, uint16_t nsei, uint16_t ns_bvci, uint16_t nsvci); |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 97 | |
Harald Welte | c1c1dd2 | 2010-05-11 06:34:24 +0200 | [diff] [blame] | 98 | int gbprox_signal(unsigned int subsys, unsigned int signal, |
| 99 | void *handler_data, void *signal_data); |
Harald Welte | 1ccbf44 | 2010-05-14 11:53:08 +0000 | [diff] [blame] | 100 | |
| 101 | /* Reset all persistent NS-VC's */ |
| 102 | int gbprox_reset_persistent_nsvcs(struct gprs_ns_inst *nsi); |
| 103 | |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 104 | int gbprox_dump_global(FILE *stream, int indent); |
| 105 | int gbprox_dump_peers(FILE *stream, int indent); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 106 | void gbprox_reset(); |
Jacob Erlbeck | 7368528 | 2014-05-23 20:48:07 +0200 | [diff] [blame] | 107 | |
| 108 | char *gbprox_apn_to_str(char *str, const uint8_t *apn_enc, size_t max_chars); |
| 109 | int gbprox_str_to_apn(uint8_t *apn_enc, const char *str, size_t max_chars); |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 110 | |
| 111 | int gbprox_set_patch_filter(const char *filter, const char **err_msg); |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 112 | |
| 113 | void gbprox_delete_tlli(struct gbprox_peer *peer, |
| 114 | struct gbprox_tlli_info *tlli_info); |
Holger Hans Peter Freyther | d4d36f2 | 2014-08-04 11:14:54 +0200 | [diff] [blame] | 115 | int gbprox_remove_stale_tllis(struct gbprox_peer *peer, time_t now); |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 116 | int gbprox_cleanup_peers(uint16_t nsei, uint16_t bvci); |
| 117 | |
| 118 | /* tmp */ |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 119 | struct gbprox_peer *peer_by_nsei(uint16_t nsei); |
Harald Welte | b77c697 | 2010-05-01 11:28:43 +0200 | [diff] [blame] | 120 | #endif |