diff options
Diffstat (limited to 'openbsc/include/osmocom/gprs')
| -rw-r--r-- | openbsc/include/osmocom/gprs/Makefile.am | 3 | ||||
| -rw-r--r-- | openbsc/include/osmocom/gprs/gprs_bssgp.h | 252 | ||||
| -rw-r--r-- | openbsc/include/osmocom/gprs/gprs_ns.h | 250 | ||||
| -rw-r--r-- | openbsc/include/osmocom/gprs/gprs_ns_frgre.h | 6 |
4 files changed, 511 insertions, 0 deletions
diff --git a/openbsc/include/osmocom/gprs/Makefile.am b/openbsc/include/osmocom/gprs/Makefile.am new file mode 100644 index 00000000..fe5714ea --- /dev/null +++ b/openbsc/include/osmocom/gprs/Makefile.am @@ -0,0 +1,3 @@ +libgb_HEADERS = gprs_bssgp.h gprs_ns.h gprs_ns_frgre.h + +libgbdir = $(includedir)/osmocom/gprs diff --git a/openbsc/include/osmocom/gprs/gprs_bssgp.h b/openbsc/include/osmocom/gprs/gprs_bssgp.h new file mode 100644 index 00000000..bfc7d331 --- /dev/null +++ b/openbsc/include/osmocom/gprs/gprs_bssgp.h @@ -0,0 +1,252 @@ +#ifndef _GPRS_BSSGP_H +#define _GPRS_BSSGP_H + +#include <stdint.h> + +/*! \brief Fixed BVCI definitions (Section 5.4.1) */ +#define BVCI_SIGNALLING 0x0000 +#define BVCI_PTM 0x0001 + +/*! \brief BSSGP PDU types (Section 11.3.26 / Table 11.27) */ +enum bssgp_pdu_type { + /* PDUs between RL and BSSGP SAPs */ + BSSGP_PDUT_DL_UNITDATA = 0x00, + BSSGP_PDUT_UL_UNITDATA = 0x01, + BSSGP_PDUT_RA_CAPABILITY = 0x02, + BSSGP_PDUT_PTM_UNITDATA = 0x03, + /* PDUs between GMM SAPs */ + BSSGP_PDUT_PAGING_PS = 0x06, + BSSGP_PDUT_PAGING_CS = 0x07, + BSSGP_PDUT_RA_CAPA_UDPATE = 0x08, + BSSGP_PDUT_RA_CAPA_UPDATE_ACK = 0x09, + BSSGP_PDUT_RADIO_STATUS = 0x0a, + BSSGP_PDUT_SUSPEND = 0x0b, + BSSGP_PDUT_SUSPEND_ACK = 0x0c, + BSSGP_PDUT_SUSPEND_NACK = 0x0d, + BSSGP_PDUT_RESUME = 0x0e, + BSSGP_PDUT_RESUME_ACK = 0x0f, + BSSGP_PDUT_RESUME_NACK = 0x10, + /* PDus between NM SAPs */ + BSSGP_PDUT_BVC_BLOCK = 0x20, + BSSGP_PDUT_BVC_BLOCK_ACK = 0x21, + BSSGP_PDUT_BVC_RESET = 0x22, + BSSGP_PDUT_BVC_RESET_ACK = 0x23, + BSSGP_PDUT_BVC_UNBLOCK = 0x24, + BSSGP_PDUT_BVC_UNBLOCK_ACK = 0x25, + BSSGP_PDUT_FLOW_CONTROL_BVC = 0x26, + BSSGP_PDUT_FLOW_CONTROL_BVC_ACK = 0x27, + BSSGP_PDUT_FLOW_CONTROL_MS = 0x28, + BSSGP_PDUT_FLOW_CONTROL_MS_ACK = 0x29, + BSSGP_PDUT_FLUSH_LL = 0x2a, + BSSGP_PDUT_FLUSH_LL_ACK = 0x2b, + BSSGP_PDUT_LLC_DISCARD = 0x2c, + BSSGP_PDUT_SGSN_INVOKE_TRACE = 0x40, + BSSGP_PDUT_STATUS = 0x41, + /* PDUs between PFM SAP's */ + BSSGP_PDUT_DOWNLOAD_BSS_PFC = 0x50, + BSSGP_PDUT_CREATE_BSS_PFC = 0x51, + BSSGP_PDUT_CREATE_BSS_PFC_ACK = 0x52, + BSSGP_PDUT_CREATE_BSS_PFC_NACK = 0x53, + BSSGP_PDUT_MODIFY_BSS_PFC = 0x54, + BSSGP_PDUT_MODIFY_BSS_PFC_ACK = 0x55, + BSSGP_PDUT_DELETE_BSS_PFC = 0x56, + BSSGP_PDUT_DELETE_BSS_PFC_ACK = 0x57, +}; + +/*! \brief BSSGP User-Data header (Section 10.2.1 and 10.2.2) */ +struct bssgp_ud_hdr { + uint8_t pdu_type; /*!< BSSGP PDU type */ + uint32_t tlli; /*!< Temporary Link-Local Identifier */ + uint8_t qos_profile[3]; /*!< QoS profile */ + uint8_t data[0]; /* optional/conditional IEs as TLVs */ +} __attribute__((packed)); + +/*! \brief BSSGP normal header */ +struct bssgp_normal_hdr { + uint8_t pdu_type; /*!< BSSGP PDU type */ + uint8_t data[0]; /*!< optional/conditional IEs as TLVs */ +}; + +/*! \brief BSSGP Information Element Identifiers */ +enum bssgp_iei_type { + BSSGP_IE_ALIGNMENT = 0x00, + BSSGP_IE_BMAX_DEFAULT_MS = 0x01, + BSSGP_IE_BSS_AREA_ID = 0x02, + BSSGP_IE_BUCKET_LEAK_RATE = 0x03, + BSSGP_IE_BVCI = 0x04, + BSSGP_IE_BVC_BUCKET_SIZE = 0x05, + BSSGP_IE_BVC_MEASUREMENT = 0x06, + BSSGP_IE_CAUSE = 0x07, + BSSGP_IE_CELL_ID = 0x08, + BSSGP_IE_CHAN_NEEDED = 0x09, + BSSGP_IE_DRX_PARAMS = 0x0a, + BSSGP_IE_EMLPP_PRIO = 0x0b, + BSSGP_IE_FLUSH_ACTION = 0x0c, + BSSGP_IE_IMSI = 0x0d, + BSSGP_IE_LLC_PDU = 0x0e, + BSSGP_IE_LLC_FRAMES_DISCARDED = 0x0f, + BSSGP_IE_LOCATION_AREA = 0x10, + BSSGP_IE_MOBILE_ID = 0x11, + BSSGP_IE_MS_BUCKET_SIZE = 0x12, + BSSGP_IE_MS_RADIO_ACCESS_CAP = 0x13, + BSSGP_IE_OMC_ID = 0x14, + BSSGP_IE_PDU_IN_ERROR = 0x15, + BSSGP_IE_PDU_LIFETIME = 0x16, + BSSGP_IE_PRIORITY = 0x17, + BSSGP_IE_QOS_PROFILE = 0x18, + BSSGP_IE_RADIO_CAUSE = 0x19, + BSSGP_IE_RA_CAP_UPD_CAUSE = 0x1a, + BSSGP_IE_ROUTEING_AREA = 0x1b, + BSSGP_IE_R_DEFAULT_MS = 0x1c, + BSSGP_IE_SUSPEND_REF_NR = 0x1d, + BSSGP_IE_TAG = 0x1e, + BSSGP_IE_TLLI = 0x1f, + BSSGP_IE_TMSI = 0x20, + BSSGP_IE_TRACE_REFERENC = 0x21, + BSSGP_IE_TRACE_TYPE = 0x22, + BSSGP_IE_TRANSACTION_ID = 0x23, + BSSGP_IE_TRIGGER_ID = 0x24, + BSSGP_IE_NUM_OCT_AFF = 0x25, + BSSGP_IE_LSA_ID_LIST = 0x26, + BSSGP_IE_LSA_INFORMATION = 0x27, + BSSGP_IE_PACKET_FLOW_ID = 0x28, + BSSGP_IE_PACKET_FLOW_TIMER = 0x29, + BSSGP_IE_AGG_BSS_QOS_PROFILE = 0x3a, + BSSGP_IE_FEATURE_BITMAP = 0x3b, + BSSGP_IE_BUCKET_FULL_RATIO = 0x3c, + BSSGP_IE_SERVICE_UTRAN_CCO = 0x3d, +}; + +/*! \brief Cause coding (Section 11.3.8 / Table 11.10) */ +enum gprs_bssgp_cause { + BSSGP_CAUSE_PROC_OVERLOAD = 0x00, + BSSGP_CAUSE_EQUIP_FAIL = 0x01, + BSSGP_CAUSE_TRASIT_NET_FAIL = 0x02, + BSSGP_CAUSE_CAPA_GREATER_0KPBS = 0x03, + BSSGP_CAUSE_UNKNOWN_MS = 0x04, + BSSGP_CAUSE_UNKNOWN_BVCI = 0x05, + BSSGP_CAUSE_CELL_TRAF_CONG = 0x06, + BSSGP_CAUSE_SGSN_CONG = 0x07, + BSSGP_CAUSE_OML_INTERV = 0x08, + BSSGP_CAUSE_BVCI_BLOCKED = 0x09, + BSSGP_CAUSE_PFC_CREATE_FAIL = 0x0a, + BSSGP_CAUSE_SEM_INCORR_PDU = 0x20, + BSSGP_CAUSE_INV_MAND_INF = 0x21, + BSSGP_CAUSE_MISSING_MAND_IE = 0x22, + BSSGP_CAUSE_MISSING_COND_IE = 0x23, + BSSGP_CAUSE_UNEXP_COND_IE = 0x24, + BSSGP_CAUSE_COND_IE_ERR = 0x25, + BSSGP_CAUSE_PDU_INCOMP_STATE = 0x26, + BSSGP_CAUSE_PROTO_ERR_UNSPEC = 0x27, + BSSGP_CAUSE_PDU_INCOMP_FEAT = 0x28, +}; + +/* Our implementation */ + +#include <osmocom/gsm/gsm48.h> + +/* gprs_bssgp_util.c */ +extern struct gprs_ns_inst *bssgp_nsi; +struct msgb *bssgp_msgb_alloc(void); +const char *bssgp_cause_str(enum gprs_bssgp_cause cause); +/* Transmit a simple response such as BLOCK/UNBLOCK/RESET ACK/NACK */ +int bssgp_tx_simple_bvci(uint8_t pdu_type, uint16_t nsei, + uint16_t bvci, uint16_t ns_bvci); +/* Chapter 10.4.14: Status */ +int bssgp_tx_status(uint8_t cause, uint16_t *bvci, struct msgb *orig_msg); + +/* gprs_bssgp.c */ + +#define BVC_S_BLOCKED 0x0001 + +/* The per-BTS context that we keep on the SGSN side of the BSSGP link */ +struct bssgp_bvc_ctx { + struct llist_head list; + + struct gprs_ra_id ra_id; /*!< parsed RA ID of the remote BTS */ + uint16_t cell_id; /*!< Cell ID of the remote BTS */ + + /* NSEI and BVCI of underlying Gb link. Together they + * uniquely identify a link to a BTS (5.4.4) */ + uint16_t bvci; + uint16_t nsei; + + uint32_t state; + + struct rate_ctr_group *ctrg; + + /* we might want to add this as a shortcut later, avoiding the NSVC + * lookup for every packet, similar to a routing cache */ + //struct gprs_nsvc *nsvc; +}; +extern struct llist_head bssgp_bvc_ctxts; +/* Find a BTS Context based on parsed RA ID and Cell ID */ +struct bssgp_bvc_ctx *btsctx_by_raid_cid(const struct gprs_ra_id *raid, uint16_t cid); +/* Find a BTS context based on BVCI+NSEI tuple */ +struct bssgp_bvc_ctx *btsctx_by_bvci_nsei(uint16_t bvci, uint16_t nsei); + +#define BVC_F_BLOCKED 0x0001 + +enum bssgp_ctr { + BSSGP_CTR_PKTS_IN, + BSSGP_CTR_PKTS_OUT, + BSSGP_CTR_BYTES_IN, + BSSGP_CTR_BYTES_OUT, + BSSGP_CTR_BLOCKED, + BSSGP_CTR_DISCARDED, +}; + + +#include <osmocom/gsm/tlv.h> + +/* BSSGP-UL-UNITDATA.ind */ +int gprs_bssgp_rcvmsg(struct msgb *msg); + +/* BSSGP-DL-UNITDATA.req */ +struct sgsn_mm_ctx; +int gprs_bssgp_tx_dl_ud(struct msgb *msg, struct sgsn_mm_ctx *mmctx); + +uint16_t bssgp_parse_cell_id(struct gprs_ra_id *raid, const uint8_t *buf); +int bssgp_create_cell_id(uint8_t *buf, const struct gprs_ra_id *raid, + uint16_t cid); + +/* Wrapper around TLV parser to parse BSSGP IEs */ +static inline int bssgp_tlv_parse(struct tlv_parsed *tp, uint8_t *buf, int len) +{ + return tlv_parse(tp, &tvlv_att_def, buf, len, 0, 0); +} + +/*! \brief BSSGP Paging mode */ +enum bssgp_paging_mode { + BSSGP_PAGING_PS, + BSSGP_PAGING_CS, +}; + +/*! \brief BSSGP Paging scope */ +enum bssgp_paging_scope { + BSSGP_PAGING_BSS_AREA, /*!< all cells in BSS */ + BSSGP_PAGING_LOCATION_AREA, /*!< all cells in LA */ + BSSGP_PAGING_ROUTEING_AREA, /*!< all cells in RA */ + BSSGP_PAGING_BVCI, /*!< one cell */ +}; + +/*! \brief BSSGP paging information */ +struct bssgp_paging_info { + enum bssgp_paging_mode mode; /*!< CS or PS paging */ + enum bssgp_paging_scope scope; /*!< bssgp_paging_scope */ + struct gprs_ra_id raid; /*!< RA Identifier */ + uint16_t bvci; /*!< BVCI */ + char *imsi; /*!< IMSI, if any */ + uint32_t *ptmsi; /*!< P-TMSI, if any */ + uint16_t drx_params; /*!< DRX parameters */ + uint8_t qos[3]; /*!< QoS parameters */ +}; + +/* Send a single GMM-PAGING.req to a given NSEI/NS-BVCI */ +int gprs_bssgp_tx_paging(uint16_t nsei, uint16_t ns_bvci, + struct bssgp_paging_info *pinfo); + +/* gprs_bssgp_vty.c */ +int gprs_bssgp_vty_init(void); + +#endif /* _GPRS_BSSGP_H */ diff --git a/openbsc/include/osmocom/gprs/gprs_ns.h b/openbsc/include/osmocom/gprs/gprs_ns.h new file mode 100644 index 00000000..7045d84d --- /dev/null +++ b/openbsc/include/osmocom/gprs/gprs_ns.h @@ -0,0 +1,250 @@ +#ifndef _GPRS_NS_H +#define _GPRS_NS_H + +#include <stdint.h> + +/* GPRS Networks Service (NS) messages on the Gb interface + * 3GPP TS 08.16 version 8.0.1 Release 1999 / ETSI TS 101 299 V8.0.1 (2002-05) + * 3GPP TS 48.016 version 6.5.0 Release 6 / ETSI TS 148 016 V6.5.0 (2005-11) */ + +/*! \addtogroup libgb + * @{ + */ + +/*! \file gprs_ns.h */ + +/*! \brief Common header of GPRS NS */ +struct gprs_ns_hdr { + uint8_t pdu_type; /*!< NS PDU type */ + uint8_t data[0]; /*!< variable-length payload */ +} __attribute__((packed)); + +/*! \brief NS PDU Type (TS 08.16, Section 10.3.7, Table 14) */ +enum ns_pdu_type { + NS_PDUT_UNITDATA = 0x00, + NS_PDUT_RESET = 0x02, + NS_PDUT_RESET_ACK = 0x03, + NS_PDUT_BLOCK = 0x04, + NS_PDUT_BLOCK_ACK = 0x05, + NS_PDUT_UNBLOCK = 0x06, + NS_PDUT_UNBLOCK_ACK = 0x07, + NS_PDUT_STATUS = 0x08, + NS_PDUT_ALIVE = 0x0a, + NS_PDUT_ALIVE_ACK = 0x0b, + /* TS 48.016 Section 10.3.7, Table 10.3.7.1 */ + SNS_PDUT_ACK = 0x0c, + SNS_PDUT_ADD = 0x0d, + SNS_PDUT_CHANGE_WEIGHT = 0x0e, + SNS_PDUT_CONFIG = 0x0f, + SNS_PDUT_CONFIG_ACK = 0x10, + SNS_PDUT_DELETE = 0x11, + SNS_PDUT_SIZE = 0x12, + SNS_PDUT_SIZE_ACK = 0x13, +}; + +/*! \brief NS Control IE (TS 08.16, Section 10.3, Table 12) */ +enum ns_ctrl_ie { + NS_IE_CAUSE = 0x00, + NS_IE_VCI = 0x01, + NS_IE_PDU = 0x02, + NS_IE_BVCI = 0x03, + NS_IE_NSEI = 0x04, + /* TS 48.016 Section 10.3, Table 10.3.1 */ + NS_IE_IPv4_LIST = 0x05, + NS_IE_IPv6_LIST = 0x06, + NS_IE_MAX_NR_NSVC = 0x07, + NS_IE_IPv4_EP_NR = 0x08, + NS_IE_IPv6_EP_NR = 0x09, + NS_IE_RESET_FLAG = 0x0a, + NS_IE_IP_ADDR = 0x0b, +}; + +/*! \brief NS Cause (TS 08.16, Section 10.3.2, Table 13) */ +enum ns_cause { + NS_CAUSE_TRANSIT_FAIL = 0x00, + NS_CAUSE_OM_INTERVENTION = 0x01, + NS_CAUSE_EQUIP_FAIL = 0x02, + NS_CAUSE_NSVC_BLOCKED = 0x03, + NS_CAUSE_NSVC_UNKNOWN = 0x04, + NS_CAUSE_BVCI_UNKNOWN = 0x05, + NS_CAUSE_SEM_INCORR_PDU = 0x08, + NS_CAUSE_PDU_INCOMP_PSTATE = 0x0a, + NS_CAUSE_PROTO_ERR_UNSPEC = 0x0b, + NS_CAUSE_INVAL_ESSENT_IE = 0x0c, + NS_CAUSE_MISSING_ESSENT_IE = 0x0d, + /* TS 48.016 Section 10.3.2, Table 10.3.2.1 */ + NS_CAUSE_INVAL_NR_IPv4_EP = 0x0e, + NS_CAUSE_INVAL_NR_IPv6_EP = 0x0f, + NS_CAUSE_INVAL_NR_NS_VC = 0x10, + NS_CAUSE_INVAL_WEIGH = 0x11, + NS_CAUSE_UNKN_IP_EP = 0x12, + NS_CAUSE_UNKN_IP_ADDR = 0x13, + NS_CAUSE_UNKN_IP_TEST_FAILED = 0x14, +}; + +/* Our Implementation */ +#include <netinet/in.h> +#include <osmocom/core/linuxlist.h> +#include <osmocom/core/msgb.h> +#include <osmocom/core/timer.h> +#include <osmocom/core/select.h> + +#define NS_TIMERS_COUNT 7 +#define NS_TIMERS "(tns-block|tns-block-retries|tns-reset|tns-reset-retries|tns-test|tns-alive|tns-alive-retries)" +#define NS_TIMERS_HELP \ + "(un)blocking Timer (Tns-block) timeout\n" \ + "(un)blocking Timer (Tns-block) number of retries\n" \ + "Reset Timer (Tns-reset) timeout\n" \ + "Reset Timer (Tns-reset) number of retries\n" \ + "Test Timer (Tns-test) timeout\n" \ + "Alive Timer (Tns-alive) timeout\n" \ + "Alive Timer (Tns-alive) number of retries\n" + +enum ns_timeout { + NS_TOUT_TNS_BLOCK, + NS_TOUT_TNS_BLOCK_RETRIES, + NS_TOUT_TNS_RESET, + NS_TOUT_TNS_RESET_RETRIES, + NS_TOUT_TNS_TEST, + NS_TOUT_TNS_ALIVE, + NS_TOUT_TNS_ALIVE_RETRIES, +}; + +#define NSE_S_BLOCKED 0x0001 +#define NSE_S_ALIVE 0x0002 + +/*! \brief Osmocom NS link layer types */ +enum gprs_ns_ll { + GPRS_NS_LL_UDP, /*!< NS/UDP/IP */ + GPRS_NS_LL_E1, /*!< NS/E1 */ + GPRS_NS_LL_FR_GRE, /*!< NS/FR/GRE/IP */ +}; + +/*! \brief Osmoco NS events */ +enum gprs_ns_evt { + GPRS_NS_EVT_UNIT_DATA, +}; + +struct gprs_nsvc; +/*! \brief Osmocom GPRS callback function type */ +typedef int gprs_ns_cb_t(enum gprs_ns_evt event, struct gprs_nsvc *nsvc, + struct msgb *msg, uint16_t bvci); + +/*! \brief An instance of the NS protocol stack */ +struct gprs_ns_inst { + /*! \brief callback to the user for incoming UNIT DATA IND */ + gprs_ns_cb_t *cb; + + /*! \brief linked lists of all NSVC in this instance */ + struct llist_head gprs_nsvcs; + + /*! \brief a NSVC object that's needed to deal with packets for + * unknown NSVC */ + struct gprs_nsvc *unknown_nsvc; + + uint16_t timeout[NS_TIMERS_COUNT]; + + /*! \brief NS-over-IP specific bits */ + struct { + struct osmo_fd fd; + uint32_t local_ip; + uint16_t local_port; + } nsip; + /*! \brief NS-over-FR-over-GRE-over-IP specific bits */ + struct { + struct osmo_fd fd; + uint32_t local_ip; + unsigned int enabled:1; + } frgre; +}; + +enum nsvc_timer_mode { + /* standard timers */ + NSVC_TIMER_TNS_TEST, + NSVC_TIMER_TNS_ALIVE, + NSVC_TIMER_TNS_RESET, + _NSVC_TIMER_NR, +}; + +/*! \brief Structure representing a single NS-VC */ +struct gprs_nsvc { + /*! \brief list of NS-VCs within NS Instance */ + struct llist_head list; + /*! \brief pointer to NS Instance */ + struct gprs_ns_inst *nsi; + + uint16_t nsei; /*! \brief end-to-end significance */ + uint16_t nsvci; /*! \brief uniquely identifies NS-VC at SGSN */ + + uint32_t state; + uint32_t remote_state; + + struct osmo_timer_list timer; + enum nsvc_timer_mode timer_mode; + int alive_retries; + + unsigned int remote_end_is_sgsn:1; + unsigned int persistent:1; + + struct rate_ctr_group *ctrg; + + /*! \brief which link-layer are we based on? */ + enum gprs_ns_ll ll; + + union { + struct { + struct sockaddr_in bts_addr; + } ip; + struct { + struct sockaddr_in bts_addr; + } frgre; + }; +}; + +/* Create a new NS protocol instance */ +struct gprs_ns_inst *gprs_ns_instantiate(gprs_ns_cb_t *cb); + +/* Destroy a NS protocol instance */ +void gprs_ns_destroy(struct gprs_ns_inst *nsi); + +/* Listen for incoming GPRS packets via NS/UDP */ +int gprs_ns_nsip_listen(struct gprs_ns_inst *nsi); + +struct sockaddr_in; + +/* main function for higher layers (BSSGP) to send NS messages */ +int gprs_ns_sendmsg(struct gprs_ns_inst *nsi, struct msgb *msg); + +int gprs_ns_tx_reset(struct gprs_nsvc *nsvc, uint8_t cause); +int gprs_ns_tx_block(struct gprs_nsvc *nsvc, uint8_t cause); +int gprs_ns_tx_unblock(struct gprs_nsvc *nsvc); + +/* Listen for incoming GPRS packets via NS/FR/GRE */ +int gprs_ns_frgre_listen(struct gprs_ns_inst *nsi); + +/* Establish a connection (from the BSS) to the SGSN */ +struct gprs_nsvc *nsip_connect(struct gprs_ns_inst *nsi, + struct sockaddr_in *dest, uint16_t nsei, + uint16_t nsvci); + +struct gprs_nsvc *nsvc_create(struct gprs_ns_inst *nsi, uint16_t nsvci); +void nsvc_delete(struct gprs_nsvc *nsvc); +struct gprs_nsvc *nsvc_by_nsei(struct gprs_ns_inst *nsi, uint16_t nsei); +struct gprs_nsvc *nsvc_by_nsvci(struct gprs_ns_inst *nsi, uint16_t nsvci); + +/* Initiate a RESET procedure (including timer start, ...)*/ +void gprs_nsvc_reset(struct gprs_nsvc *nsvc, uint8_t cause); + +/* Add NS-specific VTY stuff */ +int gprs_ns_vty_init(struct gprs_ns_inst *nsi); + +#define NS_ALLOC_SIZE 2048 +#define NS_ALLOC_HEADROOM 20 +static inline struct msgb *gprs_ns_msgb_alloc(void) +{ + return msgb_alloc_headroom(NS_ALLOC_SIZE, NS_ALLOC_HEADROOM, "GPRS/NS"); +} + +/*! }@ */ + +#endif diff --git a/openbsc/include/osmocom/gprs/gprs_ns_frgre.h b/openbsc/include/osmocom/gprs/gprs_ns_frgre.h new file mode 100644 index 00000000..abcd43ff --- /dev/null +++ b/openbsc/include/osmocom/gprs/gprs_ns_frgre.h @@ -0,0 +1,6 @@ +#ifndef _GPRS_NS_FRGRE_H +#define _GPRS_NS_FRGRE_H + +int gprs_ns_frgre_sendmsg(struct gprs_nsvc *nsvc, struct msgb *msg); + +#endif |