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