Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame] | 1 | #ifndef _GPRS_SGSN_H |
| 2 | #define _GPRS_SGSN_H |
| 3 | |
Harald Welte | eaa614c | 2010-05-02 11:26:34 +0200 | [diff] [blame] | 4 | #include <stdint.h> |
Harald Welte | d193cb3 | 2010-05-17 22:58:03 +0200 | [diff] [blame] | 5 | #include <netinet/in.h> |
| 6 | |
Holger Hans Peter Freyther | 26d0fe3 | 2012-01-06 17:29:06 +0100 | [diff] [blame] | 7 | #include <osmocom/core/timer.h> |
| 8 | |
Pablo Neira Ayuso | 136f453 | 2011-03-22 16:47:59 +0100 | [diff] [blame] | 9 | #include <osmocom/gsm/gsm48.h> |
Harald Welte | eaa614c | 2010-05-02 11:26:34 +0200 | [diff] [blame] | 10 | |
Harald Welte | 496aee4 | 2010-06-30 19:59:55 +0200 | [diff] [blame] | 11 | #include <osmocom/crypt/gprs_cipher.h> |
| 12 | |
Jacob Erlbeck | bd0cf11 | 2014-12-01 12:33:33 +0100 | [diff] [blame] | 13 | #include <openbsc/gsm_data.h> |
| 14 | |
Harald Welte | 2720e73 | 2010-05-17 00:44:57 +0200 | [diff] [blame] | 15 | #define GSM_IMSI_LENGTH 17 |
| 16 | #define GSM_IMEI_LENGTH 17 |
| 17 | #define GSM_EXTENSION_LENGTH 15 |
| 18 | |
Harald Welte | 807a5d8 | 2010-06-01 11:53:01 +0200 | [diff] [blame] | 19 | struct gprs_llc_lle; |
Holger Hans Peter Freyther | a273030 | 2014-03-23 18:08:26 +0100 | [diff] [blame] | 20 | struct ctrl_handle; |
Jacob Erlbeck | 02ab91e | 2014-11-12 09:53:45 +0100 | [diff] [blame] | 21 | struct gsm_subscriber; |
Harald Welte | 807a5d8 | 2010-06-01 11:53:01 +0200 | [diff] [blame] | 22 | |
Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame] | 23 | /* TS 04.08 4.1.3.3 GMM mobility management states on the network side */ |
| 24 | enum gprs_mm_state { |
| 25 | GMM_DEREGISTERED, /* 4.1.3.3.1.1 */ |
| 26 | GMM_COMMON_PROC_INIT, /* 4.1.3.3.1.2 */ |
| 27 | GMM_REGISTERED_NORMAL, /* 4.1.3.3.2.1 */ |
| 28 | GMM_REGISTERED_SUSPENDED, /* 4.1.3.3.2.2 */ |
| 29 | GMM_DEREGISTERED_INIT, /* 4.1.3.3.1.4 */ |
| 30 | }; |
| 31 | |
Harald Welte | c2e8cc4 | 2010-05-31 20:23:38 +0200 | [diff] [blame] | 32 | enum gprs_mm_ctr { |
Harald Welte | 8acd88f | 2010-05-18 10:57:45 +0200 | [diff] [blame] | 33 | GMM_CTR_PKTS_SIG_IN, |
| 34 | GMM_CTR_PKTS_SIG_OUT, |
| 35 | GMM_CTR_PKTS_UDATA_IN, |
| 36 | GMM_CTR_PKTS_UDATA_OUT, |
| 37 | GMM_CTR_BYTES_UDATA_IN, |
| 38 | GMM_CTR_BYTES_UDATA_OUT, |
| 39 | GMM_CTR_PDP_CTX_ACT, |
| 40 | GMM_CTR_SUSPEND, |
| 41 | GMM_CTR_PAGING_PS, |
| 42 | GMM_CTR_PAGING_CS, |
| 43 | GMM_CTR_RA_UPDATE, |
| 44 | }; |
| 45 | |
Harald Welte | efbdee9 | 2010-06-10 00:20:12 +0200 | [diff] [blame] | 46 | enum gprs_pdp_ctx { |
| 47 | PDP_CTR_PKTS_UDATA_IN, |
| 48 | PDP_CTR_PKTS_UDATA_OUT, |
| 49 | PDP_CTR_BYTES_UDATA_IN, |
| 50 | PDP_CTR_BYTES_UDATA_OUT, |
| 51 | }; |
| 52 | |
Harald Welte | c2e8cc4 | 2010-05-31 20:23:38 +0200 | [diff] [blame] | 53 | enum gprs_t3350_mode { |
Jacob Erlbeck | 93eae8e | 2014-10-28 12:23:29 +0100 | [diff] [blame] | 54 | GMM_T3350_MODE_NONE, |
Harald Welte | c2e8cc4 | 2010-05-31 20:23:38 +0200 | [diff] [blame] | 55 | GMM_T3350_MODE_ATT, |
| 56 | GMM_T3350_MODE_RAU, |
| 57 | GMM_T3350_MODE_PTMSI_REALL, |
| 58 | }; |
| 59 | |
Jacob Erlbeck | 423f8bf | 2014-10-24 18:09:54 +0200 | [diff] [blame] | 60 | /* Authorization/ACL handling */ |
| 61 | enum sgsn_auth_state { |
| 62 | SGSN_AUTH_UNKNOWN, |
Jacob Erlbeck | 4adb136 | 2014-12-02 09:47:26 +0100 | [diff] [blame] | 63 | SGSN_AUTH_AUTHENTICATE, |
Jacob Erlbeck | 423f8bf | 2014-10-24 18:09:54 +0200 | [diff] [blame] | 64 | SGSN_AUTH_ACCEPTED, |
| 65 | SGSN_AUTH_REJECTED |
| 66 | }; |
| 67 | |
Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame] | 68 | #define MS_RADIO_ACCESS_CAPA |
| 69 | |
| 70 | /* According to TS 03.60, Table 5: SGSN MM and PDP Contexts */ |
Harald Welte | f533e13 | 2010-05-01 16:45:46 +0200 | [diff] [blame] | 71 | /* Extended by 3GPP TS 23.060, Table 6: SGSN MM and PDP Contexts */ |
Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame] | 72 | struct sgsn_mm_ctx { |
| 73 | struct llist_head list; |
| 74 | |
| 75 | char imsi[GSM_IMSI_LENGTH]; |
| 76 | enum gprs_mm_state mm_state; |
Harald Welte | eaa614c | 2010-05-02 11:26:34 +0200 | [diff] [blame] | 77 | uint32_t p_tmsi; |
Harald Welte | c2e8cc4 | 2010-05-31 20:23:38 +0200 | [diff] [blame] | 78 | uint32_t p_tmsi_old; /* old P-TMSI before new is confirmed */ |
Harald Welte | eaa614c | 2010-05-02 11:26:34 +0200 | [diff] [blame] | 79 | uint32_t p_tmsi_sig; |
Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame] | 80 | char imei[GSM_IMEI_LENGTH]; |
Harald Welte | f533e13 | 2010-05-01 16:45:46 +0200 | [diff] [blame] | 81 | /* Opt: Software Version Numbber / TS 23.195 */ |
Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame] | 82 | char msisdn[GSM_EXTENSION_LENGTH]; |
| 83 | struct gprs_ra_id ra; |
Harald Welte | eaa614c | 2010-05-02 11:26:34 +0200 | [diff] [blame] | 84 | uint16_t cell_id; |
| 85 | uint32_t cell_id_age; |
| 86 | uint16_t sac; /* Iu: Service Area Code */ |
| 87 | uint32_t sac_age;/* Iu: Service Area Code age */ |
Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame] | 88 | /* VLR number */ |
Harald Welte | eaa614c | 2010-05-02 11:26:34 +0200 | [diff] [blame] | 89 | uint32_t new_sgsn_addr; |
Jacob Erlbeck | bd0cf11 | 2014-12-01 12:33:33 +0100 | [diff] [blame] | 90 | /* Authentication Triplet */ |
| 91 | struct gsm_auth_tuple auth_triplet; |
Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame] | 92 | /* Kc */ |
Harald Welte | f533e13 | 2010-05-01 16:45:46 +0200 | [diff] [blame] | 93 | /* Iu: CK, IK, KSI */ |
Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame] | 94 | /* CKSN */ |
| 95 | enum gprs_ciph_algo ciph_algo; |
| 96 | struct { |
Harald Welte | eaa614c | 2010-05-02 11:26:34 +0200 | [diff] [blame] | 97 | uint8_t len; |
Alexander Chemeris | 84402c0 | 2013-07-03 10:12:23 +0400 | [diff] [blame] | 98 | uint8_t buf[50]; /* GSM 04.08 10.5.5.12a, extended in TS 24.008 */ |
Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame] | 99 | } ms_radio_access_capa; |
| 100 | struct { |
Harald Welte | eaa614c | 2010-05-02 11:26:34 +0200 | [diff] [blame] | 101 | uint8_t len; |
Alexander Chemeris | 84402c0 | 2013-07-03 10:12:23 +0400 | [diff] [blame] | 102 | uint8_t buf[8]; /* GSM 04.08 10.5.5.12, extended in TS 24.008 */ |
Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame] | 103 | } ms_network_capa; |
Harald Welte | eaa614c | 2010-05-02 11:26:34 +0200 | [diff] [blame] | 104 | uint16_t drx_parms; |
Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame] | 105 | int mnrg; /* MS reported to HLR? */ |
| 106 | int ngaf; /* MS reported to MSC/VLR? */ |
| 107 | int ppf; /* paging for GPRS + non-GPRS? */ |
| 108 | /* SMS Parameters */ |
| 109 | int recovery; |
Harald Welte | ba850c5 | 2010-05-02 14:40:32 +0200 | [diff] [blame] | 110 | uint8_t radio_prio_sms; |
Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame] | 111 | |
| 112 | struct llist_head pdp_list; |
| 113 | |
| 114 | /* Additional bits not present in the GSM TS */ |
Harald Welte | 807a5d8 | 2010-06-01 11:53:01 +0200 | [diff] [blame] | 115 | struct gprs_llc_llme *llme; |
Harald Welte | eaa614c | 2010-05-02 11:26:34 +0200 | [diff] [blame] | 116 | uint32_t tlli; |
Harald Welte | 807a5d8 | 2010-06-01 11:53:01 +0200 | [diff] [blame] | 117 | uint32_t tlli_new; |
Harald Welte | 6abf94e | 2010-05-18 10:35:06 +0200 | [diff] [blame] | 118 | uint16_t nsei; |
| 119 | uint16_t bvci; |
Harald Welte | 8acd88f | 2010-05-18 10:57:45 +0200 | [diff] [blame] | 120 | struct rate_ctr_group *ctrg; |
Pablo Neira Ayuso | bf540cb | 2011-05-06 12:11:06 +0200 | [diff] [blame] | 121 | struct osmo_timer_list timer; |
Harald Welte | c2e8cc4 | 2010-05-31 20:23:38 +0200 | [diff] [blame] | 122 | unsigned int T; /* Txxxx number */ |
| 123 | unsigned int num_T_exp; /* number of consecutive T expirations */ |
| 124 | |
| 125 | enum gprs_t3350_mode t3350_mode; |
| 126 | uint8_t t3370_id_type; |
Jacob Erlbeck | 93eae8e | 2014-10-28 12:23:29 +0100 | [diff] [blame] | 127 | uint8_t pending_req; /* the request's message type */ |
| 128 | /* TODO: There isn't much semantic difference between t3350_mode |
| 129 | * (refers to the timer) and pending_req (refers to the procedure), |
| 130 | * where mm->T == 3350 => mm->t3350_mode == f(mm->pending_req). Check |
| 131 | * whether one of them can be dropped. */ |
Jacob Erlbeck | 0c06f98 | 2014-10-29 22:12:20 +0100 | [diff] [blame] | 132 | |
Jacob Erlbeck | 423f8bf | 2014-10-24 18:09:54 +0200 | [diff] [blame] | 133 | enum sgsn_auth_state auth_state; |
Jacob Erlbeck | 8ff3fb0 | 2014-12-01 12:44:24 +0100 | [diff] [blame] | 134 | int is_authenticated; |
Jacob Erlbeck | 02ab91e | 2014-11-12 09:53:45 +0100 | [diff] [blame] | 135 | |
| 136 | struct gsm_subscriber *subscr; |
Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame] | 137 | }; |
| 138 | |
Daniel Willmann | b15ceec | 2014-09-03 15:57:49 +0200 | [diff] [blame] | 139 | #define LOGMMCTXP(level, mm, fmt, args...) \ |
Jacob Erlbeck | 5a38f64 | 2014-10-21 13:09:55 +0200 | [diff] [blame] | 140 | LOGP(DMM, level, "MM(%s/%08x) " fmt, (mm) ? (mm)->imsi : "---", \ |
| 141 | (mm) ? (mm)->p_tmsi : GSM_RESERVED_TMSI, ## args) |
Daniel Willmann | b15ceec | 2014-09-03 15:57:49 +0200 | [diff] [blame] | 142 | |
Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame] | 143 | /* look-up a SGSN MM context based on TLLI + RAI */ |
Harald Welte | eaa614c | 2010-05-02 11:26:34 +0200 | [diff] [blame] | 144 | struct sgsn_mm_ctx *sgsn_mm_ctx_by_tlli(uint32_t tlli, |
Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame] | 145 | const struct gprs_ra_id *raid); |
Harald Welte | eaa614c | 2010-05-02 11:26:34 +0200 | [diff] [blame] | 146 | struct sgsn_mm_ctx *sgsn_mm_ctx_by_ptmsi(uint32_t tmsi); |
Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame] | 147 | struct sgsn_mm_ctx *sgsn_mm_ctx_by_imsi(const char *imsi); |
| 148 | |
| 149 | /* Allocate a new SGSN MM context */ |
Harald Welte | eaa614c | 2010-05-02 11:26:34 +0200 | [diff] [blame] | 150 | struct sgsn_mm_ctx *sgsn_mm_ctx_alloc(uint32_t tlli, |
Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame] | 151 | const struct gprs_ra_id *raid); |
Harald Welte | c728eea | 2010-12-24 23:07:18 +0100 | [diff] [blame] | 152 | void sgsn_mm_ctx_free(struct sgsn_mm_ctx *mm); |
Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame] | 153 | |
Harald Welte | d193cb3 | 2010-05-17 22:58:03 +0200 | [diff] [blame] | 154 | |
| 155 | enum pdp_ctx_state { |
| 156 | PDP_STATE_NONE, |
Harald Welte | 6abf94e | 2010-05-18 10:35:06 +0200 | [diff] [blame] | 157 | PDP_STATE_CR_REQ, |
| 158 | PDP_STATE_CR_CONF, |
Harald Welte | a9b473a | 2010-12-24 21:13:26 +0100 | [diff] [blame] | 159 | |
| 160 | /* 04.08 / Figure 6.2 / 6.1.2.2 */ |
| 161 | PDP_STATE_INACT_PEND, |
| 162 | PDP_STATE_INACTIVE = PDP_STATE_NONE, |
Harald Welte | d193cb3 | 2010-05-17 22:58:03 +0200 | [diff] [blame] | 163 | }; |
| 164 | |
| 165 | enum pdp_type { |
| 166 | PDP_TYPE_NONE, |
Harald Welte | 6abf94e | 2010-05-18 10:35:06 +0200 | [diff] [blame] | 167 | PDP_TYPE_ETSI_PPP, |
| 168 | PDP_TYPE_IANA_IPv4, |
| 169 | PDP_TYPE_IANA_IPv6, |
Harald Welte | d193cb3 | 2010-05-17 22:58:03 +0200 | [diff] [blame] | 170 | }; |
| 171 | |
| 172 | struct sgsn_pdp_ctx { |
| 173 | struct llist_head list; /* list_head for mmctx->pdp_list */ |
| 174 | struct llist_head g_list; /* list_head for global list */ |
| 175 | struct sgsn_mm_ctx *mm; /* back pointer to MM CTX */ |
| 176 | struct sgsn_ggsn_ctx *ggsn; /* which GGSN serves this PDP */ |
Harald Welte | efbdee9 | 2010-06-10 00:20:12 +0200 | [diff] [blame] | 177 | struct rate_ctr_group *ctrg; |
Harald Welte | d193cb3 | 2010-05-17 22:58:03 +0200 | [diff] [blame] | 178 | |
| 179 | //unsigned int id; |
| 180 | struct pdp_t *lib; /* pointer to libgtp PDP ctx */ |
| 181 | enum pdp_ctx_state state; |
| 182 | enum pdp_type type; |
| 183 | uint32_t address; |
| 184 | char *apn_subscribed; |
| 185 | //char *apn_used; |
Harald Welte | 6abf94e | 2010-05-18 10:35:06 +0200 | [diff] [blame] | 186 | uint16_t nsapi; /* SNDCP */ |
| 187 | uint16_t sapi; /* LLC */ |
Harald Welte | d193cb3 | 2010-05-17 22:58:03 +0200 | [diff] [blame] | 188 | uint8_t ti; /* transaction identifier */ |
| 189 | int vplmn_allowed; |
| 190 | uint32_t qos_profile_subscr; |
| 191 | //uint32_t qos_profile_req; |
| 192 | //uint32_t qos_profile_neg; |
| 193 | uint8_t radio_prio; |
| 194 | uint32_t tx_npdu_nr; |
| 195 | uint32_t rx_npdu_nr; |
| 196 | uint32_t tx_gtp_snd; |
| 197 | uint32_t rx_gtp_snu; |
| 198 | //uint32_t charging_id; |
| 199 | int reordering_reqd; |
Harald Welte | a9b473a | 2010-12-24 21:13:26 +0100 | [diff] [blame] | 200 | |
Pablo Neira Ayuso | bf540cb | 2011-05-06 12:11:06 +0200 | [diff] [blame] | 201 | struct osmo_timer_list timer; |
Harald Welte | a9b473a | 2010-12-24 21:13:26 +0100 | [diff] [blame] | 202 | unsigned int T; /* Txxxx number */ |
| 203 | unsigned int num_T_exp; /* number of consecutive T expirations */ |
Harald Welte | d193cb3 | 2010-05-17 22:58:03 +0200 | [diff] [blame] | 204 | }; |
| 205 | |
Daniel Willmann | b15ceec | 2014-09-03 15:57:49 +0200 | [diff] [blame] | 206 | #define LOGPDPCTXP(level, pdp, fmt, args...) \ |
Jacob Erlbeck | 99985b5 | 2014-10-13 10:32:00 +0200 | [diff] [blame] | 207 | LOGP(DGPRS, level, "PDP(%s/%u) " \ |
| 208 | fmt, (pdp)->mm ? (pdp)->mm->imsi : "---", (pdp)->ti, ## args) |
Harald Welte | d193cb3 | 2010-05-17 22:58:03 +0200 | [diff] [blame] | 209 | |
Harald Welte | 96df606 | 2010-06-03 06:37:26 +0200 | [diff] [blame] | 210 | /* look up PDP context by MM context and NSAPI */ |
Harald Welte | d193cb3 | 2010-05-17 22:58:03 +0200 | [diff] [blame] | 211 | struct sgsn_pdp_ctx *sgsn_pdp_ctx_by_nsapi(const struct sgsn_mm_ctx *mm, |
| 212 | uint8_t nsapi); |
Harald Welte | 96df606 | 2010-06-03 06:37:26 +0200 | [diff] [blame] | 213 | /* look up PDP context by MM context and transaction ID */ |
Harald Welte | 77289c2 | 2010-05-18 14:32:29 +0200 | [diff] [blame] | 214 | struct sgsn_pdp_ctx *sgsn_pdp_ctx_by_tid(const struct sgsn_mm_ctx *mm, |
| 215 | uint8_t tid); |
Harald Welte | 96df606 | 2010-06-03 06:37:26 +0200 | [diff] [blame] | 216 | |
Harald Welte | d193cb3 | 2010-05-17 22:58:03 +0200 | [diff] [blame] | 217 | struct sgsn_pdp_ctx *sgsn_pdp_ctx_alloc(struct sgsn_mm_ctx *mm, |
| 218 | uint8_t nsapi); |
Jacob Erlbeck | 99985b5 | 2014-10-13 10:32:00 +0200 | [diff] [blame] | 219 | void sgsn_pdp_ctx_terminate(struct sgsn_pdp_ctx *pdp); |
Harald Welte | d193cb3 | 2010-05-17 22:58:03 +0200 | [diff] [blame] | 220 | void sgsn_pdp_ctx_free(struct sgsn_pdp_ctx *pdp); |
| 221 | |
| 222 | |
Harald Welte | 77289c2 | 2010-05-18 14:32:29 +0200 | [diff] [blame] | 223 | struct sgsn_ggsn_ctx { |
Harald Welte | d193cb3 | 2010-05-17 22:58:03 +0200 | [diff] [blame] | 224 | struct llist_head list; |
| 225 | uint32_t id; |
| 226 | unsigned int gtp_version; |
| 227 | struct in_addr remote_addr; |
Harald Welte | a9b473a | 2010-12-24 21:13:26 +0100 | [diff] [blame] | 228 | int remote_restart_ctr; |
Harald Welte | d193cb3 | 2010-05-17 22:58:03 +0200 | [diff] [blame] | 229 | struct gsn_t *gsn; |
| 230 | }; |
Harald Welte | cd4dd4d | 2010-05-18 17:20:49 +0200 | [diff] [blame] | 231 | struct sgsn_ggsn_ctx *sgsn_ggsn_ctx_alloc(uint32_t id); |
| 232 | struct sgsn_ggsn_ctx *sgsn_ggsn_ctx_by_id(uint32_t id); |
Harald Welte | a9b473a | 2010-12-24 21:13:26 +0100 | [diff] [blame] | 233 | struct sgsn_ggsn_ctx *sgsn_ggsn_ctx_by_addr(struct in_addr *addr); |
Harald Welte | cd4dd4d | 2010-05-18 17:20:49 +0200 | [diff] [blame] | 234 | struct sgsn_ggsn_ctx *sgsn_ggsn_ctx_find_alloc(uint32_t id); |
Harald Welte | d193cb3 | 2010-05-17 22:58:03 +0200 | [diff] [blame] | 235 | |
| 236 | struct apn_ctx { |
| 237 | struct llist_head list; |
Harald Welte | 77289c2 | 2010-05-18 14:32:29 +0200 | [diff] [blame] | 238 | struct sgsn_ggsn_ctx *ggsn; |
Harald Welte | d193cb3 | 2010-05-17 22:58:03 +0200 | [diff] [blame] | 239 | char *name; |
| 240 | char *description; |
| 241 | }; |
| 242 | |
| 243 | extern struct llist_head sgsn_mm_ctxts; |
| 244 | extern struct llist_head sgsn_ggsn_ctxts; |
| 245 | extern struct llist_head sgsn_apn_ctxts; |
| 246 | extern struct llist_head sgsn_pdp_ctxts; |
| 247 | |
Harald Welte | 6463c07 | 2010-05-18 17:04:55 +0200 | [diff] [blame] | 248 | uint32_t sgsn_alloc_ptmsi(void); |
Jacob Erlbeck | 81ffb74 | 2015-01-23 11:33:51 +0100 | [diff] [blame] | 249 | void sgsn_inst_init(void); |
Harald Welte | 6463c07 | 2010-05-18 17:04:55 +0200 | [diff] [blame] | 250 | |
Harald Welte | a9b473a | 2010-12-24 21:13:26 +0100 | [diff] [blame] | 251 | /* High-level function to be called in case a GGSN has disappeared or |
| 252 | * ottherwise lost state (recovery procedure) */ |
| 253 | int drop_all_pdp_for_ggsn(struct sgsn_ggsn_ctx *ggsn); |
| 254 | |
Holger Hans Peter Freyther | a273030 | 2014-03-23 18:08:26 +0100 | [diff] [blame] | 255 | char *gprs_pdpaddr2str(uint8_t *pdpa, uint8_t len); |
| 256 | |
Jacob Erlbeck | 78ecaf0 | 2014-09-05 14:32:36 +0200 | [diff] [blame] | 257 | /* Force re-attachment based on msgb meta data */ |
| 258 | int sgsn_force_reattach_oldmsg(struct msgb *oldmsg); |
| 259 | |
Holger Hans Peter Freyther | a273030 | 2014-03-23 18:08:26 +0100 | [diff] [blame] | 260 | /* |
| 261 | * ctrl interface related work |
| 262 | */ |
| 263 | struct gsm_network; |
| 264 | struct ctrl_handle *sgsn_controlif_setup(struct gsm_network *, uint16_t port); |
| 265 | int sgsn_ctrl_cmds_install(void); |
| 266 | |
Holger Hans Peter Freyther | 1768a57 | 2014-04-04 12:40:34 +0200 | [diff] [blame] | 267 | /* |
Jacob Erlbeck | 423f8bf | 2014-10-24 18:09:54 +0200 | [diff] [blame] | 268 | * Authorization/ACL handling |
Holger Hans Peter Freyther | 1768a57 | 2014-04-04 12:40:34 +0200 | [diff] [blame] | 269 | */ |
Jacob Erlbeck | 3b5d407 | 2014-10-24 15:11:03 +0200 | [diff] [blame] | 270 | struct imsi_acl_entry { |
| 271 | struct llist_head list; |
| 272 | char imsi[16+1]; |
| 273 | }; |
Jacob Erlbeck | 423f8bf | 2014-10-24 18:09:54 +0200 | [diff] [blame] | 274 | |
Jacob Erlbeck | f81cacc | 2015-01-08 16:23:25 +0100 | [diff] [blame] | 275 | enum sgsn_subscriber_proc { |
| 276 | SGSN_SUBSCR_PROC_NONE = 0, |
| 277 | SGSN_SUBSCR_PROC_PURGE, |
| 278 | SGSN_SUBSCR_PROC_UPD_LOC, |
| 279 | SGSN_SUBSCR_PROC_UPD_AUTH, |
| 280 | }; |
| 281 | |
Jacob Erlbeck | 423f8bf | 2014-10-24 18:09:54 +0200 | [diff] [blame] | 282 | struct sgsn_subscriber_data { |
Jacob Erlbeck | 2e5e94c | 2014-12-08 15:26:47 +0100 | [diff] [blame] | 283 | struct sgsn_mm_ctx *mm; |
Jacob Erlbeck | 7921ab1 | 2014-12-08 15:52:00 +0100 | [diff] [blame] | 284 | struct gsm_auth_tuple auth_triplets[5]; |
| 285 | int auth_triplets_updated; |
Jacob Erlbeck | af3d5c5 | 2015-01-05 17:51:17 +0100 | [diff] [blame] | 286 | int error_cause; |
Jacob Erlbeck | f81cacc | 2015-01-08 16:23:25 +0100 | [diff] [blame] | 287 | enum sgsn_subscriber_proc blocked_by; |
Jacob Erlbeck | 423f8bf | 2014-10-24 18:09:54 +0200 | [diff] [blame] | 288 | }; |
| 289 | |
Jacob Erlbeck | d6267d1 | 2015-01-19 11:10:04 +0100 | [diff] [blame] | 290 | #define SGSN_ERROR_CAUSE_NONE (-1) |
| 291 | |
Jacob Erlbeck | 4275578 | 2015-01-08 12:02:12 +0100 | [diff] [blame] | 292 | #define LOGGSUBSCRP(level, subscr, fmt, args...) \ |
Jacob Erlbeck | 9999fd9 | 2015-01-15 17:08:30 +0100 | [diff] [blame] | 293 | LOGP(DGPRS, level, "SUBSCR(%s) " fmt, \ |
| 294 | (subscr) ? (subscr)->imsi : "---", \ |
Jacob Erlbeck | 4275578 | 2015-01-08 12:02:12 +0100 | [diff] [blame] | 295 | ## args) |
| 296 | |
Jacob Erlbeck | 3b5d407 | 2014-10-24 15:11:03 +0200 | [diff] [blame] | 297 | struct sgsn_config; |
| 298 | struct sgsn_instance; |
Jacob Erlbeck | f951a01 | 2014-11-07 14:17:44 +0100 | [diff] [blame] | 299 | extern const struct value_string *sgsn_auth_state_names; |
Jacob Erlbeck | 3b5d407 | 2014-10-24 15:11:03 +0200 | [diff] [blame] | 300 | |
Jacob Erlbeck | a0b6efb | 2014-11-13 10:48:39 +0100 | [diff] [blame] | 301 | void sgsn_auth_init(void); |
Jacob Erlbeck | 3b5d407 | 2014-10-24 15:11:03 +0200 | [diff] [blame] | 302 | struct imsi_acl_entry *sgsn_acl_lookup(const char *imsi, struct sgsn_config *cfg); |
| 303 | int sgsn_acl_add(const char *imsi, struct sgsn_config *cfg); |
| 304 | int sgsn_acl_del(const char *imsi, struct sgsn_config *cfg); |
Jacob Erlbeck | 423f8bf | 2014-10-24 18:09:54 +0200 | [diff] [blame] | 305 | /* Request authorization */ |
Jacob Erlbeck | a0b6efb | 2014-11-13 10:48:39 +0100 | [diff] [blame] | 306 | int sgsn_auth_request(struct sgsn_mm_ctx *mm); |
| 307 | enum sgsn_auth_state sgsn_auth_state(struct sgsn_mm_ctx *mm); |
| 308 | void sgsn_auth_update(struct sgsn_mm_ctx *mm); |
Jacob Erlbeck | 7921ab1 | 2014-12-08 15:52:00 +0100 | [diff] [blame] | 309 | struct gsm_auth_tuple *sgsn_auth_get_tuple(struct sgsn_mm_ctx *mmctx, |
| 310 | unsigned key_seq); |
Jacob Erlbeck | 423f8bf | 2014-10-24 18:09:54 +0200 | [diff] [blame] | 311 | |
Jacob Erlbeck | 33b6dad | 2014-11-12 10:12:11 +0100 | [diff] [blame] | 312 | /* |
| 313 | * GPRS subscriber data |
| 314 | */ |
Jacob Erlbeck | 98a95ac | 2014-11-28 14:55:25 +0100 | [diff] [blame] | 315 | #define GPRS_SUBSCRIBER_UPDATE_AUTH_INFO_PENDING (1 << 16) |
| 316 | #define GPRS_SUBSCRIBER_UPDATE_LOCATION_PENDING (1 << 17) |
| 317 | #define GPRS_SUBSCRIBER_CANCELLED (1 << 18) |
Jacob Erlbeck | 65fa3f7 | 2015-01-06 16:32:41 +0100 | [diff] [blame] | 318 | #define GPRS_SUBSCRIBER_ENABLE_PURGE (1 << 19) |
Jacob Erlbeck | 98a95ac | 2014-11-28 14:55:25 +0100 | [diff] [blame] | 319 | |
| 320 | #define GPRS_SUBSCRIBER_UPDATE_PENDING_MASK ( \ |
| 321 | GPRS_SUBSCRIBER_UPDATE_LOCATION_PENDING | \ |
| 322 | GPRS_SUBSCRIBER_UPDATE_AUTH_INFO_PENDING \ |
| 323 | ) |
Jacob Erlbeck | 33b6dad | 2014-11-12 10:12:11 +0100 | [diff] [blame] | 324 | |
Jacob Erlbeck | 39f040d | 2014-12-18 12:46:47 +0100 | [diff] [blame] | 325 | int gprs_subscr_init(struct sgsn_instance *sgi); |
Jacob Erlbeck | 98a95ac | 2014-11-28 14:55:25 +0100 | [diff] [blame] | 326 | int gprs_subscr_request_update_location(struct sgsn_mm_ctx *mmctx); |
| 327 | int gprs_subscr_request_auth_info(struct sgsn_mm_ctx *mmctx); |
Jacob Erlbeck | 3e4e58f | 2015-01-26 11:07:24 +0100 | [diff] [blame^] | 328 | void gprs_subscr_cleanup(struct gsm_subscriber *subscr); |
Jacob Erlbeck | 33b6dad | 2014-11-12 10:12:11 +0100 | [diff] [blame] | 329 | struct gsm_subscriber *gprs_subscr_get_or_create(const char *imsi); |
Jacob Erlbeck | 98a95ac | 2014-11-28 14:55:25 +0100 | [diff] [blame] | 330 | struct gsm_subscriber *gprs_subscr_get_or_create_by_mmctx( struct sgsn_mm_ctx *mmctx); |
Jacob Erlbeck | 33b6dad | 2014-11-12 10:12:11 +0100 | [diff] [blame] | 331 | struct gsm_subscriber *gprs_subscr_get_by_imsi(const char *imsi); |
Jacob Erlbeck | 37139e5 | 2015-01-23 13:52:55 +0100 | [diff] [blame] | 332 | void gprs_subscr_cancel(struct gsm_subscriber *subscr); |
Jacob Erlbeck | 33b6dad | 2014-11-12 10:12:11 +0100 | [diff] [blame] | 333 | void gprs_subscr_update(struct gsm_subscriber *subscr); |
Jacob Erlbeck | 98a95ac | 2014-11-28 14:55:25 +0100 | [diff] [blame] | 334 | void gprs_subscr_update_auth_info(struct gsm_subscriber *subscr); |
Jacob Erlbeck | a6ddc2d | 2014-12-12 15:01:37 +0100 | [diff] [blame] | 335 | int gprs_subscr_rx_gsup_message(struct msgb *msg); |
Jacob Erlbeck | 33b6dad | 2014-11-12 10:12:11 +0100 | [diff] [blame] | 336 | |
Jacob Erlbeck | f81cacc | 2015-01-08 16:23:25 +0100 | [diff] [blame] | 337 | int gprs_subscr_purge(struct gsm_subscriber *subscr); |
| 338 | int gprs_subscr_query_auth_info(struct gsm_subscriber *subscr); |
| 339 | int gprs_subscr_location_update(struct gsm_subscriber *subscr); |
| 340 | |
Jacob Erlbeck | 423f8bf | 2014-10-24 18:09:54 +0200 | [diff] [blame] | 341 | /* Called on subscriber data updates */ |
Jacob Erlbeck | 33b6dad | 2014-11-12 10:12:11 +0100 | [diff] [blame] | 342 | void sgsn_update_subscriber_data(struct sgsn_mm_ctx *mmctx, |
| 343 | struct gsm_subscriber *subscr); |
Holger Hans Peter Freyther | 1768a57 | 2014-04-04 12:40:34 +0200 | [diff] [blame] | 344 | |
Holger Hans Peter Freyther | 90e9a44 | 2014-04-04 12:51:28 +0200 | [diff] [blame] | 345 | int gprs_sndcp_vty_init(void); |
| 346 | struct sgsn_instance; |
| 347 | int sgsn_gtp_init(struct sgsn_instance *sgi); |
| 348 | |
Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame] | 349 | #endif /* _GPRS_SGSN_H */ |