Harald Welte | 288be16 | 2010-05-01 16:48:27 +0200 | [diff] [blame] | 1 | #ifndef _SGSN_H |
| 2 | #define _SGSN_H |
| 3 | |
Harald Welte | 288be16 | 2010-05-01 16:48:27 +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 | 288be16 | 2010-05-01 16:48:27 +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 | 6abf94e | 2010-05-18 10:35:06 +0200 | [diff] [blame] | 8 | #include <openbsc/gprs_sgsn.h> |
Neels Hofmeyr | 9c534fd | 2015-10-12 11:57:37 +0200 | [diff] [blame^] | 9 | #include <openbsc/oap.h> |
Harald Welte | 288be16 | 2010-05-01 16:48:27 +0200 | [diff] [blame] | 10 | |
Holger Hans Peter Freyther | 66e7106 | 2015-05-25 01:21:50 +0800 | [diff] [blame] | 11 | #include <ares.h> |
| 12 | |
Jacob Erlbeck | 39f040d | 2014-12-18 12:46:47 +0100 | [diff] [blame] | 13 | struct gprs_gsup_client; |
Holger Hans Peter Freyther | 39c430e | 2015-05-25 12:26:49 +0800 | [diff] [blame] | 14 | struct hostent; |
Jacob Erlbeck | 39f040d | 2014-12-18 12:46:47 +0100 | [diff] [blame] | 15 | |
Jacob Erlbeck | 106f547 | 2014-11-04 10:08:37 +0100 | [diff] [blame] | 16 | enum sgsn_auth_policy { |
| 17 | SGSN_AUTH_POLICY_OPEN, |
| 18 | SGSN_AUTH_POLICY_CLOSED, |
Jacob Erlbeck | be2c8d9 | 2014-11-12 10:18:09 +0100 | [diff] [blame] | 19 | SGSN_AUTH_POLICY_ACL_ONLY, |
| 20 | SGSN_AUTH_POLICY_REMOTE |
Jacob Erlbeck | 106f547 | 2014-11-04 10:08:37 +0100 | [diff] [blame] | 21 | }; |
| 22 | |
Holger Hans Peter Freyther | 4f5b823 | 2015-05-05 22:25:48 +0200 | [diff] [blame] | 23 | struct sgsn_cdr { |
| 24 | char *filename; |
| 25 | int interval; |
| 26 | }; |
| 27 | |
Harald Welte | 288be16 | 2010-05-01 16:48:27 +0200 | [diff] [blame] | 28 | struct sgsn_config { |
| 29 | /* parsed from config file */ |
Harald Welte | 288be16 | 2010-05-01 16:48:27 +0200 | [diff] [blame] | 30 | |
Harald Welte | 2720e73 | 2010-05-17 00:44:57 +0200 | [diff] [blame] | 31 | char *gtp_statedir; |
| 32 | struct sockaddr_in gtp_listenaddr; |
| 33 | |
Harald Welte | 288be16 | 2010-05-01 16:48:27 +0200 | [diff] [blame] | 34 | /* misc */ |
| 35 | struct gprs_ns_inst *nsi; |
Harald Welte | 7f6da48 | 2013-03-19 11:00:13 +0100 | [diff] [blame] | 36 | |
Jacob Erlbeck | 106f547 | 2014-11-04 10:08:37 +0100 | [diff] [blame] | 37 | enum sgsn_auth_policy auth_policy; |
Harald Welte | 7f6da48 | 2013-03-19 11:00:13 +0100 | [diff] [blame] | 38 | struct llist_head imsi_acl; |
Jacob Erlbeck | 39f040d | 2014-12-18 12:46:47 +0100 | [diff] [blame] | 39 | |
| 40 | struct sockaddr_in gsup_server_addr; |
| 41 | int gsup_server_port; |
Jacob Erlbeck | 9d4f46c | 2014-12-17 13:20:08 +0100 | [diff] [blame] | 42 | |
| 43 | int require_authentication; |
Jacob Erlbeck | 771573c | 2014-12-19 18:08:48 +0100 | [diff] [blame] | 44 | int require_update_location; |
Holger Hans Peter Freyther | 4f5b823 | 2015-05-05 22:25:48 +0200 | [diff] [blame] | 45 | |
| 46 | /* CDR configuration */ |
| 47 | struct sgsn_cdr cdr; |
Holger Hans Peter Freyther | 39c430e | 2015-05-25 12:26:49 +0800 | [diff] [blame] | 48 | |
Harald Welte | 9450882 | 2015-08-15 19:08:21 +0200 | [diff] [blame] | 49 | struct { |
| 50 | int T3312; |
| 51 | int T3322; |
| 52 | int T3350; |
| 53 | int T3360; |
| 54 | int T3370; |
| 55 | int T3313; |
| 56 | int T3314; |
| 57 | int T3316; |
| 58 | int T3385; |
| 59 | int T3386; |
| 60 | int T3395; |
| 61 | int T3397; |
| 62 | } timers; |
| 63 | |
Holger Hans Peter Freyther | 39c430e | 2015-05-25 12:26:49 +0800 | [diff] [blame] | 64 | int dynamic_lookup; |
Neels Hofmeyr | 9c534fd | 2015-10-12 11:57:37 +0200 | [diff] [blame^] | 65 | |
| 66 | struct oap_config oap; |
Harald Welte | 288be16 | 2010-05-01 16:48:27 +0200 | [diff] [blame] | 67 | }; |
| 68 | |
Harald Welte | 2720e73 | 2010-05-17 00:44:57 +0200 | [diff] [blame] | 69 | struct sgsn_instance { |
| 70 | char *config_file; |
| 71 | struct sgsn_config cfg; |
| 72 | /* File descriptor wrappers for LibGTP */ |
Pablo Neira Ayuso | 4db9299 | 2011-05-06 12:11:23 +0200 | [diff] [blame] | 73 | struct osmo_fd gtp_fd0; |
| 74 | struct osmo_fd gtp_fd1c; |
| 75 | struct osmo_fd gtp_fd1u; |
Harald Welte | 2720e73 | 2010-05-17 00:44:57 +0200 | [diff] [blame] | 76 | /* Timer for libGTP */ |
Pablo Neira Ayuso | bf540cb | 2011-05-06 12:11:06 +0200 | [diff] [blame] | 77 | struct osmo_timer_list gtp_timer; |
Harald Welte | 2720e73 | 2010-05-17 00:44:57 +0200 | [diff] [blame] | 78 | /* GSN instance for libgtp */ |
| 79 | struct gsn_t *gsn; |
Jacob Erlbeck | 39f040d | 2014-12-18 12:46:47 +0100 | [diff] [blame] | 80 | /* Subscriber */ |
| 81 | struct gprs_gsup_client *gsup_client; |
Jacob Erlbeck | 81ffb74 | 2015-01-23 11:33:51 +0100 | [diff] [blame] | 82 | /* LLME inactivity timer */ |
| 83 | struct osmo_timer_list llme_timer; |
Holger Hans Peter Freyther | 66e7106 | 2015-05-25 01:21:50 +0800 | [diff] [blame] | 84 | |
| 85 | /* c-ares event loop integration */ |
| 86 | struct osmo_timer_list ares_timer; |
| 87 | struct llist_head ares_fds; |
| 88 | ares_channel ares_channel; |
Holger Hans Peter Freyther | a5a6da4 | 2015-05-25 15:20:27 +0800 | [diff] [blame] | 89 | struct ares_addr_node *ares_servers; |
Harald Welte | 2720e73 | 2010-05-17 00:44:57 +0200 | [diff] [blame] | 90 | }; |
| 91 | |
Harald Welte | 8fc1a46 | 2010-05-17 00:53:10 +0200 | [diff] [blame] | 92 | extern struct sgsn_instance *sgsn; |
Harald Welte | 288be16 | 2010-05-01 16:48:27 +0200 | [diff] [blame] | 93 | |
| 94 | /* sgsn_vty.c */ |
| 95 | |
| 96 | int sgsn_vty_init(void); |
| 97 | int sgsn_parse_config(const char *config_file, struct sgsn_config *cfg); |
| 98 | |
| 99 | /* sgsn.c */ |
| 100 | |
| 101 | /* Main input function for Gb proxy */ |
| 102 | int sgsn_rcvmsg(struct msgb *msg, struct gprs_nsvc *nsvc, uint16_t ns_bvci); |
| 103 | |
Harald Welte | 6abf94e | 2010-05-18 10:35:06 +0200 | [diff] [blame] | 104 | |
Harald Welte | 77289c2 | 2010-05-18 14:32:29 +0200 | [diff] [blame] | 105 | struct sgsn_pdp_ctx *sgsn_create_pdp_ctx(struct sgsn_ggsn_ctx *ggsn, |
Harald Welte | 6abf94e | 2010-05-18 10:35:06 +0200 | [diff] [blame] | 106 | struct sgsn_mm_ctx *mmctx, |
| 107 | uint16_t nsapi, |
| 108 | struct tlv_parsed *tp); |
Harald Welte | 77289c2 | 2010-05-18 14:32:29 +0200 | [diff] [blame] | 109 | int sgsn_delete_pdp_ctx(struct sgsn_pdp_ctx *pctx); |
| 110 | |
Harald Welte | ebabdea | 2010-06-01 18:28:10 +0200 | [diff] [blame] | 111 | /* gprs_sndcp.c */ |
| 112 | |
| 113 | /* Entry point for the SNSM-ACTIVATE.indication */ |
| 114 | int sndcp_sm_activate_ind(struct gprs_llc_lle *lle, uint8_t nsapi); |
Harald Welte | ce22f92 | 2010-06-03 21:21:21 +0200 | [diff] [blame] | 115 | /* Entry point for the SNSM-DEACTIVATE.indication */ |
| 116 | int sndcp_sm_deactivate_ind(struct gprs_llc_lle *lle, uint8_t nsapi); |
Harald Welte | ebabdea | 2010-06-01 18:28:10 +0200 | [diff] [blame] | 117 | /* Called by SNDCP when it has received/re-assembled a N-PDU */ |
Harald Welte | 8911cef | 2010-07-01 19:56:19 +0200 | [diff] [blame] | 118 | int sgsn_rx_sndcp_ud_ind(struct gprs_ra_id *ra_id, int32_t tlli, uint8_t nsapi, |
| 119 | struct msgb *msg, uint32_t npdu_len, uint8_t *npdu); |
Harald Welte | bb1c805 | 2010-06-03 06:38:38 +0200 | [diff] [blame] | 120 | int sndcp_unitdata_req(struct msgb *msg, struct gprs_llc_lle *lle, uint8_t nsapi, |
| 121 | void *mmcontext); |
Holger Hans Peter Freyther | 3dccda5 | 2011-10-14 23:42:13 +0200 | [diff] [blame] | 122 | int sndcp_llunitdata_ind(struct msgb *msg, struct gprs_llc_lle *lle, |
| 123 | uint8_t *hdr, uint16_t len); |
Harald Welte | ebabdea | 2010-06-01 18:28:10 +0200 | [diff] [blame] | 124 | |
Holger Hans Peter Freyther | 4f5b823 | 2015-05-05 22:25:48 +0200 | [diff] [blame] | 125 | |
| 126 | /* |
| 127 | * CDR related functionality |
| 128 | */ |
| 129 | int sgsn_cdr_init(struct sgsn_instance *sgsn); |
| 130 | |
Holger Hans Peter Freyther | 66e7106 | 2015-05-25 01:21:50 +0800 | [diff] [blame] | 131 | |
| 132 | /* |
| 133 | * C-ARES related functionality |
| 134 | */ |
| 135 | int sgsn_ares_init(struct sgsn_instance *sgsn); |
| 136 | int sgsn_ares_query(struct sgsn_instance *sgsm, const char *name, ares_host_callback cb, void *data); |
| 137 | |
Harald Welte | 288be16 | 2010-05-01 16:48:27 +0200 | [diff] [blame] | 138 | #endif |