osmo-sgsn/include/osmocom/sgsn/pdpctx.h

95 lines
2.4 KiB
C

#pragma once
#include <stdint.h>
#include <netinet/in.h>
#include <inttypes.h>
#include <osmocom/core/timer.h>
#include <osmocom/core/rate_ctr.h>
#include <osmocom/gsm/gsm48.h>
#include <osmocom/crypt/gprs_cipher.h>
#include <osmocom/gsm/protocol/gsm_23_003.h>
#include <osmocom/crypt/auth.h>
#include <osmocom/sgsn/apn.h>
#include <osmocom/sgsn/gprs_subscriber.h>
struct sgsn_mm_ctx;
struct sgsn_ggsn_ctx;
enum gprs_pdp_ctx {
PDP_CTR_PKTS_UDATA_IN,
PDP_CTR_PKTS_UDATA_OUT,
PDP_CTR_BYTES_UDATA_IN,
PDP_CTR_BYTES_UDATA_OUT,
};
enum pdp_ctx_state {
PDP_STATE_NONE,
PDP_STATE_CR_REQ,
PDP_STATE_CR_CONF,
/* 04.08 / Figure 6.2 / 6.1.2.2 */
PDP_STATE_INACT_PEND,
PDP_STATE_INACTIVE = PDP_STATE_NONE,
};
enum pdp_type {
PDP_TYPE_NONE,
PDP_TYPE_ETSI_PPP,
PDP_TYPE_IANA_IPv4,
PDP_TYPE_IANA_IPv6,
};
struct sgsn_pdp_ctx {
struct llist_head list; /* list_head for mmctx->pdp_list */
struct llist_head g_list; /* list_head for global list */
struct sgsn_mm_ctx *mm; /* back pointer to MM CTX */
int destroy_ggsn; /* destroy it on destruction */
struct sgsn_ggsn_ctx *ggsn; /* which GGSN serves this PDP */
struct llist_head ggsn_list; /* list_head for ggsn->pdp_list */
struct rate_ctr_group *ctrg;
//unsigned int id;
struct pdp_t *lib; /* pointer to libgtp PDP ctx */
enum pdp_ctx_state state;
enum pdp_type type;
uint32_t address;
char *apn_subscribed;
//char *apn_used;
uint16_t nsapi; /* SNDCP */
uint16_t sapi; /* LLC */
uint8_t ti; /* transaction identifier */
int vplmn_allowed;
uint32_t qos_profile_subscr;
//uint32_t qos_profile_req;
//uint32_t qos_profile_neg;
uint8_t radio_prio;
//uint32_t charging_id;
struct osmo_timer_list timer;
unsigned int T; /* Txxxx number */
unsigned int num_T_exp; /* number of consecutive T expirations */
struct osmo_timer_list cdr_timer; /* CDR record wird timer */
struct timespec cdr_start; /* The start of the CDR */
uint64_t cdr_bytes_in;
uint64_t cdr_bytes_out;
uint32_t cdr_charging_id;
};
#define LOGPDPCTXP(level, pdp, fmt, args...) \
LOGP(DGPRS, level, "PDP(%s/%u) " \
fmt, (pdp)->mm ? (pdp)->mm->imsi : "---", (pdp)->ti, ## args)
struct sgsn_pdp_ctx *sgsn_pdp_ctx_alloc(struct sgsn_mm_ctx *mm,
struct sgsn_ggsn_ctx *ggsn,
uint8_t nsapi);
void sgsn_pdp_ctx_terminate(struct sgsn_pdp_ctx *pdp);
void sgsn_pdp_ctx_free(struct sgsn_pdp_ctx *pdp);
char *gprs_pdpaddr2str(uint8_t *pdpa, uint8_t len, bool return_ipv6);