mirror of https://gerrit.osmocom.org/libosmocore
Import libgb from openbsc.git
This commit is contained in:
commit
aa0c796158
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libgb_HEADERS = gprs_bssgp.h gprs_ns.h gprs_ns_frgre.h gprs_msgb.h
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libgbdir = $(includedir)/osmocom/gprs
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SUBDIRS = protocol
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#ifndef _GPRS_BSSGP_H
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#define _GPRS_BSSGP_H
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#include <stdint.h>
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#include <osmocom/gsm/gsm48.h>
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#include <osmocom/gsm/prim.h>
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#include <osmocom/gprs/protocol/gsm_08_18.h>
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/* gprs_bssgp_util.c */
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extern struct gprs_ns_inst *bssgp_nsi;
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struct msgb *bssgp_msgb_alloc(void);
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const char *bssgp_cause_str(enum gprs_bssgp_cause cause);
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/* Transmit a simple response such as BLOCK/UNBLOCK/RESET ACK/NACK */
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int bssgp_tx_simple_bvci(uint8_t pdu_type, uint16_t nsei,
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uint16_t bvci, uint16_t ns_bvci);
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/* Chapter 10.4.14: Status */
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int bssgp_tx_status(uint8_t cause, uint16_t *bvci, struct msgb *orig_msg);
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enum bssgp_prim {
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PRIM_BSSGP_DL_UD,
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PRIM_BSSGP_UL_UD,
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PRIM_BSSGP_PTM_UD,
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PRIM_BSSGP_GMM_SUSPEND,
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PRIM_BSSGP_GMM_RESUME,
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PRIM_BSSGP_GMM_PAGING,
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PRIM_NM_FLUSH_LL,
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PRIM_NM_LLC_DISCARDED,
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PRIM_NM_BVC_RESET,
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PRIM_NM_BVC_BLOCK,
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PRIM_NM_BVC_UNBLOCK,
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};
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struct osmo_bssgp_prim {
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struct osmo_prim_hdr oph;
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/* common fields */
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uint16_t nsei;
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uint16_t bvci;
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uint32_t tlli;
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struct tlv_parsed *tp;
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struct gprs_ra_id *ra_id;
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/* specific fields */
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union {
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struct {
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uint8_t *suspend_ref;
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} resume;
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} u;
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};
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/* gprs_bssgp.c */
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#define BVC_S_BLOCKED 0x0001
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/* The per-BTS context that we keep on the SGSN side of the BSSGP link */
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struct bssgp_bvc_ctx {
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struct llist_head list;
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struct gprs_ra_id ra_id; /*!< parsed RA ID of the remote BTS */
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uint16_t cell_id; /*!< Cell ID of the remote BTS */
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/* NSEI and BVCI of underlying Gb link. Together they
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* uniquely identify a link to a BTS (5.4.4) */
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uint16_t bvci;
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uint16_t nsei;
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uint32_t state;
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struct rate_ctr_group *ctrg;
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/* we might want to add this as a shortcut later, avoiding the NSVC
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* lookup for every packet, similar to a routing cache */
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//struct gprs_nsvc *nsvc;
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};
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extern struct llist_head bssgp_bvc_ctxts;
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/* Find a BTS Context based on parsed RA ID and Cell ID */
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struct bssgp_bvc_ctx *btsctx_by_raid_cid(const struct gprs_ra_id *raid, uint16_t cid);
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/* Find a BTS context based on BVCI+NSEI tuple */
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struct bssgp_bvc_ctx *btsctx_by_bvci_nsei(uint16_t bvci, uint16_t nsei);
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#define BVC_F_BLOCKED 0x0001
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enum bssgp_ctr {
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BSSGP_CTR_PKTS_IN,
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BSSGP_CTR_PKTS_OUT,
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BSSGP_CTR_BYTES_IN,
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BSSGP_CTR_BYTES_OUT,
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BSSGP_CTR_BLOCKED,
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BSSGP_CTR_DISCARDED,
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};
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#include <osmocom/gsm/tlv.h>
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#include <osmocom/gprs/gprs_msgb.h>
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/* BSSGP-UL-UNITDATA.ind */
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int bssgp_rcvmsg(struct msgb *msg);
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/* BSSGP-DL-UNITDATA.req */
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struct bssgp_lv {
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uint16_t len;
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uint8_t *v;
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};
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/* parameters for BSSGP downlink userdata transmission */
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struct bssgp_dl_ud_par {
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uint32_t *tlli;
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char *imsi;
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uint16_t drx_parms;
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/* FIXME: priority */
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struct bssgp_lv ms_ra_cap;
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uint8_t qos_profile[3];
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};
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int bssgp_tx_dl_ud(struct msgb *msg, uint16_t pdu_lifetime,
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struct bssgp_dl_ud_par *dup);
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uint16_t bssgp_parse_cell_id(struct gprs_ra_id *raid, const uint8_t *buf);
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int bssgp_create_cell_id(uint8_t *buf, const struct gprs_ra_id *raid,
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uint16_t cid);
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/* Wrapper around TLV parser to parse BSSGP IEs */
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static inline int bssgp_tlv_parse(struct tlv_parsed *tp, uint8_t *buf, int len)
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{
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return tlv_parse(tp, &tvlv_att_def, buf, len, 0, 0);
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}
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/*! \brief BSSGP Paging mode */
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enum bssgp_paging_mode {
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BSSGP_PAGING_PS,
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BSSGP_PAGING_CS,
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};
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/*! \brief BSSGP Paging scope */
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enum bssgp_paging_scope {
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BSSGP_PAGING_BSS_AREA, /*!< all cells in BSS */
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BSSGP_PAGING_LOCATION_AREA, /*!< all cells in LA */
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BSSGP_PAGING_ROUTEING_AREA, /*!< all cells in RA */
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BSSGP_PAGING_BVCI, /*!< one cell */
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};
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/*! \brief BSSGP paging information */
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struct bssgp_paging_info {
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enum bssgp_paging_mode mode; /*!< CS or PS paging */
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enum bssgp_paging_scope scope; /*!< bssgp_paging_scope */
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struct gprs_ra_id raid; /*!< RA Identifier */
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uint16_t bvci; /*!< BVCI */
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char *imsi; /*!< IMSI, if any */
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uint32_t *ptmsi; /*!< P-TMSI, if any */
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uint16_t drx_params; /*!< DRX parameters */
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uint8_t qos[3]; /*!< QoS parameters */
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};
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/* Send a single GMM-PAGING.req to a given NSEI/NS-BVCI */
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int bssgp_tx_paging(uint16_t nsei, uint16_t ns_bvci,
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struct bssgp_paging_info *pinfo);
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/* gprs_bssgp_vty.c */
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int bssgp_vty_init(void);
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void bssgp_set_log_ss(int ss);
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int bssgp_prim_cb(struct osmo_prim_hdr *oph, void *ctx);
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#endif /* _GPRS_BSSGP_H */
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#ifndef _LIBGB_MSGB_H
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#define _LIBGB_MSGB_H
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#include <stdint.h>
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/* the data structure stored in msgb->cb for libgb apps */
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struct libgb_msgb_cb {
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unsigned char *bssgph;
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unsigned char *llch;
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/* Cell Identifier */
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unsigned char *bssgp_cell_id;
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/* Identifiers of a BTS, equal to 'struct bssgp_bts_ctx' */
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uint16_t nsei;
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uint16_t bvci;
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/* Identifier of a MS (inside BTS), equal to 'struct sgsn_mm_ctx' */
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uint32_t tlli;
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} __attribute__((packed));
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#define LIBGB_MSGB_CB(__msgb) ((struct libgb_msgb_cb *)&((__msgb)->cb[0]))
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#define msgb_tlli(__x) LIBGB_MSGB_CB(__x)->tlli
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#define msgb_nsei(__x) LIBGB_MSGB_CB(__x)->nsei
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#define msgb_bvci(__x) LIBGB_MSGB_CB(__x)->bvci
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#define msgb_gmmh(__x) (__x)->l3h
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#define msgb_bssgph(__x) LIBGB_MSGB_CB(__x)->bssgph
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#define msgb_bssgp_len(__x) ((__x)->tail - (uint8_t *)msgb_bssgph(__x))
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#define msgb_bcid(__x) LIBGB_MSGB_CB(__x)->bssgp_cell_id
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#define msgb_llch(__x) LIBGB_MSGB_CB(__x)->llch
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/* logging contexts */
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#define GPRS_CTX_NSVC 0
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#define GPRS_CTX_BVC 1
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#include <osmocom/core/logging.h>
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int gprs_log_filter_fn(const struct log_context *ctx,
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struct log_target *tar);
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#endif
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#ifndef _GPRS_NS_H
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#define _GPRS_NS_H
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#include <stdint.h>
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/* Our Implementation */
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#include <netinet/in.h>
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#include <osmocom/core/linuxlist.h>
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/timer.h>
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#include <osmocom/core/select.h>
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#include <osmocom/gprs/gprs_msgb.h>
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#include <osmocom/gprs/protocol/gsm_08_16.h>
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#define NS_TIMERS_COUNT 7
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#define NS_TIMERS "(tns-block|tns-block-retries|tns-reset|tns-reset-retries|tns-test|tns-alive|tns-alive-retries)"
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#define NS_TIMERS_HELP \
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"(un)blocking Timer (Tns-block) timeout\n" \
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"(un)blocking Timer (Tns-block) number of retries\n" \
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"Reset Timer (Tns-reset) timeout\n" \
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"Reset Timer (Tns-reset) number of retries\n" \
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"Test Timer (Tns-test) timeout\n" \
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"Alive Timer (Tns-alive) timeout\n" \
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"Alive Timer (Tns-alive) number of retries\n"
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enum ns_timeout {
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NS_TOUT_TNS_BLOCK,
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NS_TOUT_TNS_BLOCK_RETRIES,
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NS_TOUT_TNS_RESET,
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NS_TOUT_TNS_RESET_RETRIES,
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NS_TOUT_TNS_TEST,
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NS_TOUT_TNS_ALIVE,
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NS_TOUT_TNS_ALIVE_RETRIES,
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};
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#define NSE_S_BLOCKED 0x0001
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#define NSE_S_ALIVE 0x0002
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/*! \brief Osmocom NS link layer types */
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enum gprs_ns_ll {
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GPRS_NS_LL_UDP, /*!< NS/UDP/IP */
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GPRS_NS_LL_E1, /*!< NS/E1 */
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GPRS_NS_LL_FR_GRE, /*!< NS/FR/GRE/IP */
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};
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/*! \brief Osmoco NS events */
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enum gprs_ns_evt {
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GPRS_NS_EVT_UNIT_DATA,
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};
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struct gprs_nsvc;
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/*! \brief Osmocom GPRS callback function type */
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typedef int gprs_ns_cb_t(enum gprs_ns_evt event, struct gprs_nsvc *nsvc,
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struct msgb *msg, uint16_t bvci);
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/*! \brief An instance of the NS protocol stack */
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struct gprs_ns_inst {
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/*! \brief callback to the user for incoming UNIT DATA IND */
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gprs_ns_cb_t *cb;
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/*! \brief linked lists of all NSVC in this instance */
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struct llist_head gprs_nsvcs;
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/*! \brief a NSVC object that's needed to deal with packets for
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* unknown NSVC */
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struct gprs_nsvc *unknown_nsvc;
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uint16_t timeout[NS_TIMERS_COUNT];
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/*! \brief NS-over-IP specific bits */
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struct {
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struct osmo_fd fd;
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uint32_t local_ip;
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uint16_t local_port;
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} nsip;
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/*! \brief NS-over-FR-over-GRE-over-IP specific bits */
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struct {
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struct osmo_fd fd;
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uint32_t local_ip;
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unsigned int enabled:1;
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} frgre;
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};
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enum nsvc_timer_mode {
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/* standard timers */
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NSVC_TIMER_TNS_TEST,
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NSVC_TIMER_TNS_ALIVE,
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NSVC_TIMER_TNS_RESET,
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_NSVC_TIMER_NR,
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};
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/*! \brief Structure representing a single NS-VC */
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struct gprs_nsvc {
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/*! \brief list of NS-VCs within NS Instance */
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struct llist_head list;
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/*! \brief pointer to NS Instance */
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struct gprs_ns_inst *nsi;
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uint16_t nsei; /*! \brief end-to-end significance */
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uint16_t nsvci; /*! \brief uniquely identifies NS-VC at SGSN */
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uint32_t state;
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uint32_t remote_state;
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struct osmo_timer_list timer;
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enum nsvc_timer_mode timer_mode;
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int alive_retries;
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|
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unsigned int remote_end_is_sgsn:1;
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unsigned int persistent:1;
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struct rate_ctr_group *ctrg;
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/*! \brief which link-layer are we based on? */
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enum gprs_ns_ll ll;
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union {
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struct {
|
||||
struct sockaddr_in bts_addr;
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} ip;
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struct {
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struct sockaddr_in bts_addr;
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} frgre;
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};
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};
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/* Create a new NS protocol instance */
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struct gprs_ns_inst *gprs_ns_instantiate(gprs_ns_cb_t *cb, void *ctx);
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/* Destroy a NS protocol instance */
|
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void gprs_ns_destroy(struct gprs_ns_inst *nsi);
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|
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/* Listen for incoming GPRS packets via NS/UDP */
|
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int gprs_ns_nsip_listen(struct gprs_ns_inst *nsi);
|
||||
|
||||
/* Establish a connection (from the BSS) to the SGSN */
|
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struct gprs_nsvc *gprs_ns_nsip_connect(struct gprs_ns_inst *nsi,
|
||||
struct sockaddr_in *dest,
|
||||
uint16_t nsei, uint16_t nsvci);
|
||||
|
||||
|
||||
struct sockaddr_in;
|
||||
|
||||
/* main function for higher layers (BSSGP) to send NS messages */
|
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int gprs_ns_sendmsg(struct gprs_ns_inst *nsi, struct msgb *msg);
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|
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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 */
|
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int gprs_ns_frgre_listen(struct gprs_ns_inst *nsi);
|
||||
|
||||
struct gprs_nsvc *gprs_nsvc_create(struct gprs_ns_inst *nsi, uint16_t nsvci);
|
||||
void gprs_nsvc_delete(struct gprs_nsvc *nsvc);
|
||||
struct gprs_nsvc *gprs_nsvc_by_nsei(struct gprs_ns_inst *nsi, uint16_t nsei);
|
||||
struct gprs_nsvc *gprs_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");
|
||||
}
|
||||
|
||||
enum signal_ns {
|
||||
S_NS_RESET,
|
||||
S_NS_BLOCK,
|
||||
S_NS_UNBLOCK,
|
||||
S_NS_ALIVE_EXP, /* Tns-alive expired more than N times */
|
||||
};
|
||||
|
||||
struct ns_signal_data {
|
||||
struct gprs_nsvc *nsvc;
|
||||
uint8_t cause;
|
||||
};
|
||||
|
||||
void gprs_ns_set_log_ss(int ss);
|
||||
|
||||
/*! }@ */
|
||||
|
||||
#endif
|
|
@ -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
|
|
@ -0,0 +1,3 @@
|
|||
libgbp_HEADERS = gsm_08_16.h gsm_08_18.h
|
||||
|
||||
libgbpdir = $(includedir)/osmocom/gprs/protocol
|
|
@ -0,0 +1,85 @@
|
|||
#ifndef _OSMO_08_16_H
|
||||
#define _OSMO_08_16_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) */
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
/*! \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,
|
||||
};
|
||||
|
||||
#endif
|
|
@ -0,0 +1,144 @@
|
|||
#ifndef _OSMO_08_18_H
|
||||
#define _OSMO_08_18_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,
|
||||
};
|
||||
|
||||
#endif
|
|
@ -0,0 +1,9 @@
|
|||
INCLUDES = $(all_includes) -I$(top_srcdir)/include -I$(top_builddir)
|
||||
AM_CFLAGS=-Wall -fno-strict-aliasing $(LIBOSMOCORE_CFLAGS) \
|
||||
$(LIBOSMOVTY_CFLAGS) $(LIBOSMOABIS_CFLAGS) $(COVERAGE_CFLAGS)
|
||||
|
||||
noinst_LIBRARIES = libgb.a
|
||||
|
||||
libgb_a_SOURCES = gprs_ns.c gprs_ns_frgre.c gprs_ns_vty.c \
|
||||
gprs_bssgp.c gprs_bssgp_util.c gprs_bssgp_vty.c \
|
||||
gprs_bssgp_bss.c common_vty.c
|
|
@ -0,0 +1,90 @@
|
|||
/* OpenBSC VTY common helpers */
|
||||
/* (C) 2009-2012 by Harald Welte <laforge@gnumonks.org>
|
||||
* (C) 2009-2010 by Holger Hans Peter Freyther
|
||||
* All Rights Reserved
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as published by
|
||||
* the Free Software Foundation; either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <osmocom/core/talloc.h>
|
||||
#include <osmocom/core/logging.h>
|
||||
|
||||
#include <osmocom/vty/telnet_interface.h>
|
||||
#include <osmocom/vty/command.h>
|
||||
#include <osmocom/vty/buffer.h>
|
||||
#include <osmocom/vty/vty.h>
|
||||
|
||||
#include <osmocom/gprs/gprs_msgb.h>
|
||||
|
||||
#include "common_vty.h"
|
||||
|
||||
/* Down vty node level. */
|
||||
gDEFUN(libgb_exit,
|
||||
libgb_exit_cmd, "exit", "Exit current mode and down to previous mode\n")
|
||||
{
|
||||
switch (vty->node) {
|
||||
case L_NS_NODE:
|
||||
case L_BSSGP_NODE:
|
||||
vty->node = CONFIG_NODE;
|
||||
vty->index = NULL;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
/* End of configuration. */
|
||||
gDEFUN(libgb_end,
|
||||
libgb_end_cmd, "end", "End current mode and change to enable mode.")
|
||||
{
|
||||
switch (vty->node) {
|
||||
case L_NS_NODE:
|
||||
case L_BSSGP_NODE:
|
||||
vty_config_unlock(vty);
|
||||
vty->node = ENABLE_NODE;
|
||||
vty->index = NULL;
|
||||
vty->index_sub = NULL;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
int gprs_log_filter_fn(const struct log_context *ctx,
|
||||
struct log_target *tar)
|
||||
{
|
||||
const struct gprs_nsvc *nsvc = ctx->ctx[GPRS_CTX_NSVC];
|
||||
const struct gprs_bvc *bvc = ctx->ctx[GPRS_CTX_BVC];
|
||||
|
||||
/* Filter on the NS Virtual Connection */
|
||||
if ((tar->filter_map & (1 << FLT_NSVC)) != 0
|
||||
&& nsvc && (nsvc == tar->filter_data[FLT_NSVC]))
|
||||
return 1;
|
||||
|
||||
/* Filter on the NS Virtual Connection */
|
||||
if ((tar->filter_map & (1 << FLT_BVC)) != 0
|
||||
&& bvc && (bvc == tar->filter_data[FLT_BVC]))
|
||||
return 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int DNS, DBSSGP;
|
|
@ -0,0 +1,14 @@
|
|||
#include <osmocom/vty/command.h>
|
||||
#include <osmocom/core/logging.h>
|
||||
|
||||
extern int DNS, DBSSGP;
|
||||
|
||||
enum log_filter {
|
||||
_FLT_ALL = LOG_FILTER_ALL, /* libosmocore */
|
||||
FLT_NSVC = 1,
|
||||
FLT_BVC = 2,
|
||||
};
|
||||
|
||||
extern struct cmd_element libgb_exit_cmd;
|
||||
extern struct cmd_element libgb_end_cmd;
|
||||
|
|
@ -0,0 +1,919 @@
|
|||
/* GPRS BSSGP protocol implementation as per 3GPP TS 08.18 */
|
||||
|
||||
/* (C) 2009-2012 by Harald Welte <laforge@gnumonks.org>
|
||||
*
|
||||
* All Rights Reserved
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as published by
|
||||
* the Free Software Foundation; either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* TODO:
|
||||
* o properly count incoming BVC-RESET packets in counter group
|
||||
* o set log context as early as possible for outgoing packets
|
||||
*/
|
||||
|
||||
#include <errno.h>
|
||||
#include <stdint.h>
|
||||
|
||||
#include <netinet/in.h>
|
||||
|
||||
#include <osmocom/core/msgb.h>
|
||||
#include <osmocom/gsm/tlv.h>
|
||||
#include <osmocom/core/talloc.h>
|
||||
#include <osmocom/core/rate_ctr.h>
|
||||
|
||||
#include <osmocom/gprs/gprs_bssgp.h>
|
||||
#include <osmocom/gprs/gprs_ns.h>
|
||||
|
||||
#include "common_vty.h"
|
||||
|
||||
void *bssgp_tall_ctx = NULL;
|
||||
|
||||
static const struct rate_ctr_desc bssgp_ctr_description[] = {
|
||||
{ "packets.in", "Packets at BSSGP Level ( In)" },
|
||||
{ "packets.out","Packets at BSSGP Level (Out)" },
|
||||
{ "bytes.in", "Bytes at BSSGP Level ( In)" },
|
||||
{ "bytes.out", "Bytes at BSSGP Level (Out)" },
|
||||
{ "blocked", "BVC Blocking count" },
|
||||
{ "discarded", "BVC LLC Discarded count" },
|
||||
};
|
||||
|
||||
static const struct rate_ctr_group_desc bssgp_ctrg_desc = {
|
||||
.group_name_prefix = "bssgp.bss_ctx",
|
||||
.group_description = "BSSGP Peer Statistics",
|
||||
.num_ctr = ARRAY_SIZE(bssgp_ctr_description),
|
||||
.ctr_desc = bssgp_ctr_description,
|
||||
};
|
||||
|
||||
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)
|
||||
{
|
||||
struct bssgp_bvc_ctx *bctx;
|
||||
|
||||
llist_for_each_entry(bctx, &bssgp_bvc_ctxts, list) {
|
||||
if (!memcmp(&bctx->ra_id, raid, sizeof(bctx->ra_id)) &&
|
||||
bctx->cell_id == cid)
|
||||
return bctx;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Find a BTS context based on BVCI+NSEI tuple */
|
||||
struct bssgp_bvc_ctx *btsctx_by_bvci_nsei(uint16_t bvci, uint16_t nsei)
|
||||
{
|
||||
struct bssgp_bvc_ctx *bctx;
|
||||
|
||||
llist_for_each_entry(bctx, &bssgp_bvc_ctxts, list) {
|
||||
if (bctx->nsei == nsei && bctx->bvci == bvci)
|
||||
return bctx;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
struct bssgp_bvc_ctx *btsctx_alloc(uint16_t bvci, uint16_t nsei)
|
||||
{
|
||||
struct bssgp_bvc_ctx *ctx;
|
||||
|
||||
ctx = talloc_zero(bssgp_tall_ctx, struct bssgp_bvc_ctx);
|
||||
if (!ctx)
|
||||
return NULL;
|
||||
ctx->bvci = bvci;
|
||||
ctx->nsei = nsei;
|
||||
/* FIXME: BVCI is not unique, only BVCI+NSEI ?!? */
|
||||
ctx->ctrg = rate_ctr_group_alloc(ctx, &bssgp_ctrg_desc, bvci);
|
||||
|
||||
llist_add(&ctx->list, &bssgp_bvc_ctxts);
|
||||
|
||||
return ctx;
|
||||
}
|
||||
|
||||
/* Chapter 10.4.5: Flow Control BVC ACK */
|
||||
static int bssgp_tx_fc_bvc_ack(uint16_t nsei, uint8_t tag, uint16_t ns_bvci)
|
||||
{
|
||||
struct msgb *msg = bssgp_msgb_alloc();
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph));
|
||||
|
||||
msgb_nsei(msg) = nsei;
|
||||
msgb_bvci(msg) = ns_bvci;
|
||||
|
||||
bgph->pdu_type = BSSGP_PDUT_FLOW_CONTROL_BVC_ACK;
|
||||
msgb_tvlv_put(msg, BSSGP_IE_TAG, 1, &tag);
|
||||
|
||||
return gprs_ns_sendmsg(bssgp_nsi, msg);
|
||||
}
|
||||
|
||||
/* 10.3.7 SUSPEND-ACK PDU */
|
||||
int bssgp_tx_suspend_ack(uint16_t nsei, uint32_t tlli,
|
||||
const struct gprs_ra_id *ra_id, uint8_t suspend_ref)
|
||||
{
|
||||
struct msgb *msg = bssgp_msgb_alloc();
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph));
|
||||
uint32_t _tlli;
|
||||
uint8_t ra[6];
|
||||
|
||||
msgb_nsei(msg) = nsei;
|
||||
msgb_bvci(msg) = 0; /* Signalling */
|
||||
bgph->pdu_type = BSSGP_PDUT_SUSPEND_ACK;
|
||||
|
||||
_tlli = htonl(tlli);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_TLLI, 4, (uint8_t *) &_tlli);
|
||||
gsm48_construct_ra(ra, ra_id);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_ROUTEING_AREA, 6, ra);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_SUSPEND_REF_NR, 1, &suspend_ref);
|
||||
|
||||
return gprs_ns_sendmsg(bssgp_nsi, msg);
|
||||
}
|
||||
|
||||
/* 10.3.8 SUSPEND-NACK PDU */
|
||||
int bssgp_tx_suspend_nack(uint16_t nsei, uint32_t tlli,
|
||||
const struct gprs_ra_id *ra_id,
|
||||
uint8_t *cause)
|
||||
{
|
||||
struct msgb *msg = bssgp_msgb_alloc();
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph));
|
||||
uint32_t _tlli;
|
||||
uint8_t ra[6];
|
||||
|
||||
msgb_nsei(msg) = nsei;
|
||||
msgb_bvci(msg) = 0; /* Signalling */
|
||||
bgph->pdu_type = BSSGP_PDUT_SUSPEND_NACK;
|
||||
|
||||
_tlli = htonl(tlli);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_TLLI, 4, (uint8_t *) &_tlli);
|
||||
gsm48_construct_ra(ra, ra_id);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_ROUTEING_AREA, 6, ra);
|
||||
if (cause)
|
||||
msgb_tvlv_put(msg, BSSGP_IE_CAUSE, 1, cause);
|
||||
|
||||
return gprs_ns_sendmsg(bssgp_nsi, msg);
|
||||
}
|
||||
|
||||
/* 10.3.10 RESUME-ACK PDU */
|
||||
int bssgp_tx_resume_ack(uint16_t nsei, uint32_t tlli,
|
||||
const struct gprs_ra_id *ra_id)
|
||||
{
|
||||
struct msgb *msg = bssgp_msgb_alloc();
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph));
|
||||
uint32_t _tlli;
|
||||
uint8_t ra[6];
|
||||
|
||||
msgb_nsei(msg) = nsei;
|
||||
msgb_bvci(msg) = 0; /* Signalling */
|
||||
bgph->pdu_type = BSSGP_PDUT_RESUME_ACK;
|
||||
|
||||
_tlli = htonl(tlli);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_TLLI, 4, (uint8_t *) &_tlli);
|
||||
gsm48_construct_ra(ra, ra_id);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_ROUTEING_AREA, 6, ra);
|
||||
|
||||
return gprs_ns_sendmsg(bssgp_nsi, msg);
|
||||
}
|
||||
|
||||
/* 10.3.11 RESUME-NACK PDU */
|
||||
int bssgp_tx_resume_nack(uint16_t nsei, uint32_t tlli,
|
||||
const struct gprs_ra_id *ra_id, uint8_t *cause)
|
||||
{
|
||||
struct msgb *msg = bssgp_msgb_alloc();
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph));
|
||||
uint32_t _tlli;
|
||||
uint8_t ra[6];
|
||||
|
||||
msgb_nsei(msg) = nsei;
|
||||
msgb_bvci(msg) = 0; /* Signalling */
|
||||
bgph->pdu_type = BSSGP_PDUT_SUSPEND_NACK;
|
||||
|
||||
_tlli = htonl(tlli);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_TLLI, 4, (uint8_t *) &_tlli);
|
||||
gsm48_construct_ra(ra, ra_id);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_ROUTEING_AREA, 6, ra);
|
||||
if (cause)
|
||||
msgb_tvlv_put(msg, BSSGP_IE_CAUSE, 1, cause);
|
||||
|
||||
return gprs_ns_sendmsg(bssgp_nsi, msg);
|
||||
}
|
||||
|
||||
uint16_t bssgp_parse_cell_id(struct gprs_ra_id *raid, const uint8_t *buf)
|
||||
{
|
||||
/* 6 octets RAC */
|
||||
gsm48_parse_ra(raid, buf);
|
||||
/* 2 octets CID */
|
||||
return ntohs(*(uint16_t *) (buf+6));
|
||||
}
|
||||
|
||||
int bssgp_create_cell_id(uint8_t *buf, const struct gprs_ra_id *raid,
|
||||
uint16_t cid)
|
||||
{
|
||||
uint16_t *out_cid = (uint16_t *) (buf + 6);
|
||||
/* 6 octets RAC */
|
||||
gsm48_construct_ra(buf, raid);
|
||||
/* 2 octets CID */
|
||||
*out_cid = htons(cid);
|
||||
|
||||
return 8;
|
||||
}
|
||||
|
||||
/* Chapter 8.4 BVC-Reset Procedure */
|
||||
static int bssgp_rx_bvc_reset(struct msgb *msg, struct tlv_parsed *tp,
|
||||
uint16_t ns_bvci)
|
||||
{
|
||||
struct osmo_bssgp_prim nmp;
|
||||
struct bssgp_bvc_ctx *bctx;
|
||||
uint16_t nsei = msgb_nsei(msg);
|
||||
uint16_t bvci;
|
||||
int rc;
|
||||
|
||||
bvci = ntohs(*(uint16_t *)TLVP_VAL(tp, BSSGP_IE_BVCI));
|
||||
DEBUGP(DBSSGP, "BSSGP BVCI=%u Rx RESET cause=%s\n", bvci,
|
||||
bssgp_cause_str(*TLVP_VAL(tp, BSSGP_IE_CAUSE)));
|
||||
|
||||
/* look-up or create the BTS context for this BVC */
|
||||
bctx = btsctx_by_bvci_nsei(bvci, nsei);
|
||||
if (!bctx)
|
||||
bctx = btsctx_alloc(bvci, nsei);
|
||||
|
||||
/* As opposed to NS-VCs, BVCs are NOT blocked after RESET */
|
||||
bctx->state &= ~BVC_S_BLOCKED;
|
||||
|
||||
/* When we receive a BVC-RESET PDU (at least of a PTP BVCI), the BSS
|
||||
* informs us about its RAC + Cell ID, so we can create a mapping */
|
||||
if (bvci != 0 && bvci != 1) {
|
||||
if (!TLVP_PRESENT(tp, BSSGP_IE_CELL_ID)) {
|
||||
LOGP(DBSSGP, LOGL_ERROR, "BSSGP BVCI=%u Rx RESET "
|
||||
"missing mandatory IE\n", bvci);
|
||||
return -EINVAL;
|
||||
}
|
||||
/* actually extract RAC / CID */
|
||||
bctx->cell_id = bssgp_parse_cell_id(&bctx->ra_id,
|
||||
TLVP_VAL(tp, BSSGP_IE_CELL_ID));
|
||||
LOGP(DBSSGP, LOGL_NOTICE, "Cell %u-%u-%u-%u CI %u on BVCI %u\n",
|
||||
bctx->ra_id.mcc, bctx->ra_id.mnc, bctx->ra_id.lac,
|
||||
bctx->ra_id.rac, bctx->cell_id, bvci);
|
||||
}
|
||||
|
||||
/* Send NM_BVC_RESET.ind to NM */
|
||||
memset(&nmp, 0, sizeof(nmp));
|
||||
nmp.nsei = nsei;
|
||||
nmp.bvci = bvci;
|
||||
nmp.tp = tp;
|
||||
nmp.ra_id = &bctx->ra_id;
|
||||
osmo_prim_init(&nmp.oph, SAP_BSSGP_NM, PRIM_NM_BVC_RESET,
|
||||
PRIM_OP_INDICATION, msg);
|
||||
bssgp_prim_cb(&nmp.oph, NULL);
|
||||
|
||||
/* Acknowledge the RESET to the BTS */
|
||||
rc = bssgp_tx_simple_bvci(BSSGP_PDUT_BVC_RESET_ACK,
|
||||
nsei, bvci, ns_bvci);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int bssgp_rx_bvc_block(struct msgb *msg, struct tlv_parsed *tp)
|
||||
{
|
||||
struct osmo_bssgp_prim nmp;
|
||||
uint16_t bvci;
|
||||
struct bssgp_bvc_ctx *ptp_ctx;
|
||||
|
||||
bvci = ntohs(*(uint16_t *)TLVP_VAL(tp, BSSGP_IE_BVCI));
|
||||
if (bvci == BVCI_SIGNALLING) {
|
||||
/* 8.3.2: Signalling BVC shall never be blocked */
|
||||
LOGP(DBSSGP, LOGL_ERROR, "NSEI=%u/BVCI=%u "
|
||||
"received block for signalling BVC!?!\n",
|
||||
msgb_nsei(msg), msgb_bvci(msg));
|
||||
return 0;
|
||||
}
|
||||
|
||||
LOGP(DBSSGP, LOGL_INFO, "BSSGP Rx BVCI=%u BVC-BLOCK\n", bvci);
|
||||
|
||||
ptp_ctx = btsctx_by_bvci_nsei(bvci, msgb_nsei(msg));
|
||||
if (!ptp_ctx)
|
||||
return bssgp_tx_status(BSSGP_CAUSE_UNKNOWN_BVCI, &bvci, msg);
|
||||
|
||||
ptp_ctx->state |= BVC_S_BLOCKED;
|
||||
rate_ctr_inc(&ptp_ctx->ctrg->ctr[BSSGP_CTR_BLOCKED]);
|
||||
|
||||
/* Send NM_BVC_BLOCK.ind to NM */
|
||||
memset(&nmp, 0, sizeof(nmp));
|
||||
nmp.nsei = msgb_nsei(msg);
|
||||
nmp.bvci = bvci;
|
||||
nmp.tp = tp;
|
||||
osmo_prim_init(&nmp.oph, SAP_BSSGP_NM, PRIM_NM_BVC_BLOCK,
|
||||
PRIM_OP_INDICATION, msg);
|
||||
bssgp_prim_cb(&nmp.oph, NULL);
|
||||
|
||||
/* We always acknowledge the BLOCKing */
|
||||
return bssgp_tx_simple_bvci(BSSGP_PDUT_BVC_BLOCK_ACK, msgb_nsei(msg),
|
||||
bvci, msgb_bvci(msg));
|
||||
};
|
||||
|
||||
static int bssgp_rx_bvc_unblock(struct msgb *msg, struct tlv_parsed *tp)
|
||||
{
|
||||
struct osmo_bssgp_prim nmp;
|
||||
uint16_t bvci;
|
||||
struct bssgp_bvc_ctx *ptp_ctx;
|
||||
|
||||
bvci = ntohs(*(uint16_t *)TLVP_VAL(tp, BSSGP_IE_BVCI));
|
||||
if (bvci == BVCI_SIGNALLING) {
|
||||
/* 8.3.2: Signalling BVC shall never be blocked */
|
||||
LOGP(DBSSGP, LOGL_ERROR, "NSEI=%u/BVCI=%u "
|
||||
"received unblock for signalling BVC!?!\n",
|
||||
msgb_nsei(msg), msgb_bvci(msg));
|
||||
return 0;
|
||||
}
|
||||
|
||||
DEBUGP(DBSSGP, "BSSGP BVCI=%u Rx BVC-UNBLOCK\n", bvci);
|
||||
|
||||
ptp_ctx = btsctx_by_bvci_nsei(bvci, msgb_nsei(msg));
|
||||
if (!ptp_ctx)
|
||||
return bssgp_tx_status(BSSGP_CAUSE_UNKNOWN_BVCI, &bvci, msg);
|
||||
|
||||
ptp_ctx->state &= ~BVC_S_BLOCKED;
|
||||
|
||||
/* Send NM_BVC_UNBLOCK.ind to NM */
|
||||
memset(&nmp, 0, sizeof(nmp));
|
||||
nmp.nsei = msgb_nsei(msg);
|
||||
nmp.bvci = bvci;
|
||||
nmp.tp = tp;
|
||||
osmo_prim_init(&nmp.oph, SAP_BSSGP_NM, PRIM_NM_BVC_UNBLOCK,
|
||||
PRIM_OP_INDICATION, msg);
|
||||
bssgp_prim_cb(&nmp.oph, NULL);
|
||||
|
||||
/* We always acknowledge the unBLOCKing */
|
||||
return bssgp_tx_simple_bvci(BSSGP_PDUT_BVC_UNBLOCK_ACK, msgb_nsei(msg),
|
||||
bvci, msgb_bvci(msg));
|
||||
};
|
||||
|
||||
/* Uplink unit-data */
|
||||
static int bssgp_rx_ul_ud(struct msgb *msg, struct tlv_parsed *tp,
|
||||
struct bssgp_bvc_ctx *ctx)
|
||||
{
|
||||
struct osmo_bssgp_prim gbp;
|
||||
struct bssgp_ud_hdr *budh = (struct bssgp_ud_hdr *) msgb_bssgph(msg);
|
||||
|
||||
/* extract TLLI and parse TLV IEs */
|
||||
msgb_tlli(msg) = ntohl(budh->tlli);
|
||||
|
||||
DEBUGP(DBSSGP, "BSSGP TLLI=0x%08x Rx UPLINK-UNITDATA\n", msgb_tlli(msg));
|
||||
|
||||
/* Cell ID and LLC_PDU are the only mandatory IE */
|
||||
if (!TLVP_PRESENT(tp, BSSGP_IE_CELL_ID) ||
|
||||
!TLVP_PRESENT(tp, BSSGP_IE_LLC_PDU)) {
|
||||
LOGP(DBSSGP, LOGL_ERROR, "BSSGP TLLI=0x%08x Rx UL-UD "
|
||||
"missing mandatory IE\n", msgb_tlli(msg));
|
||||
return bssgp_tx_status(BSSGP_CAUSE_MISSING_MAND_IE, NULL, msg);
|
||||
}
|
||||
|
||||
/* store pointer to LLC header and CELL ID in msgb->cb */
|
||||
msgb_llch(msg) = (uint8_t *) TLVP_VAL(tp, BSSGP_IE_LLC_PDU);
|
||||
msgb_bcid(msg) = (uint8_t *) TLVP_VAL(tp, BSSGP_IE_CELL_ID);
|
||||
|
||||
/* Send BSSGP_UL_UD.ind to NM */
|
||||
memset(&gbp, 0, sizeof(gbp));
|
||||
gbp.nsei = ctx->nsei;
|
||||
gbp.bvci = ctx->bvci;
|
||||
gbp.tlli = msgb_tlli(msg);
|
||||
gbp.tp = tp;
|
||||
osmo_prim_init(&gbp.oph, SAP_BSSGP_LL, PRIM_BSSGP_UL_UD,
|
||||
PRIM_OP_INDICATION, msg);
|
||||
return bssgp_prim_cb(&gbp.oph, NULL);
|
||||
}
|
||||
|
||||
static int bssgp_rx_suspend(struct msgb *msg, struct tlv_parsed *tp,
|
||||
struct bssgp_bvc_ctx *ctx)
|
||||
{
|
||||
struct osmo_bssgp_prim gbp;
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_bssgph(msg);
|
||||
struct gprs_ra_id raid;
|
||||
uint32_t tlli;
|
||||
int rc;
|
||||
|
||||
if (!TLVP_PRESENT(tp, BSSGP_IE_TLLI) ||
|
||||
!TLVP_PRESENT(tp, BSSGP_IE_ROUTEING_AREA)) {
|
||||
LOGP(DBSSGP, LOGL_ERROR, "BSSGP BVCI=%u Rx SUSPEND "
|
||||
"missing mandatory IE\n", ctx->bvci);
|
||||
return bssgp_tx_status(BSSGP_CAUSE_MISSING_MAND_IE, NULL, msg);
|
||||
}
|
||||
|
||||
tlli = ntohl(*(uint32_t *)TLVP_VAL(tp, BSSGP_IE_TLLI));
|
||||
|
||||
DEBUGP(DBSSGP, "BSSGP BVCI=%u TLLI=0x%08x Rx SUSPEND\n",
|
||||
ctx->bvci, tlli);
|
||||
|
||||
gsm48_parse_ra(&raid, TLVP_VAL(tp, BSSGP_IE_ROUTEING_AREA));
|
||||
|
||||
/* Inform GMM about the SUSPEND request */
|
||||
memset(&gbp, 0, sizeof(gbp));
|
||||
gbp.nsei = msgb_nsei(msg);
|
||||
gbp.bvci = ctx->bvci;
|
||||
gbp.tlli = tlli;
|
||||
gbp.ra_id = &raid;
|
||||
osmo_prim_init(&gbp.oph, SAP_BSSGP_GMM, PRIM_BSSGP_GMM_SUSPEND,
|
||||
PRIM_OP_REQUEST, msg);
|
||||
|
||||
rc = bssgp_prim_cb(&gbp.oph, NULL);
|
||||
if (rc < 0)
|
||||
return bssgp_tx_suspend_nack(msgb_nsei(msg), tlli, &raid, NULL);
|
||||
|
||||
bssgp_tx_suspend_ack(msgb_nsei(msg), tlli, &raid, 0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int bssgp_rx_resume(struct msgb *msg, struct tlv_parsed *tp,
|
||||
struct bssgp_bvc_ctx *ctx)
|
||||
{
|
||||
struct osmo_bssgp_prim gbp;
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_bssgph(msg);
|
||||
struct gprs_ra_id raid;
|
||||
uint32_t tlli;
|
||||
uint8_t suspend_ref;
|
||||
int rc;
|
||||
|
||||
if (!TLVP_PRESENT(tp, BSSGP_IE_TLLI) ||
|
||||
!TLVP_PRESENT(tp, BSSGP_IE_ROUTEING_AREA) ||
|
||||
!TLVP_PRESENT(tp, BSSGP_IE_SUSPEND_REF_NR)) {
|
||||
LOGP(DBSSGP, LOGL_ERROR, "BSSGP BVCI=%u Rx RESUME "
|
||||
"missing mandatory IE\n", ctx->bvci);
|
||||
return bssgp_tx_status(BSSGP_CAUSE_MISSING_MAND_IE, NULL, msg);
|
||||
}
|
||||
|
||||
tlli = ntohl(*(uint32_t *)TLVP_VAL(tp, BSSGP_IE_TLLI));
|
||||
suspend_ref = *TLVP_VAL(tp, BSSGP_IE_SUSPEND_REF_NR);
|
||||
|
||||
DEBUGP(DBSSGP, "BSSGP BVCI=%u TLLI=0x%08x Rx RESUME\n", ctx->bvci, tlli);
|
||||
|
||||
gsm48_parse_ra(&raid, TLVP_VAL(tp, BSSGP_IE_ROUTEING_AREA));
|
||||
|
||||
/* Inform GMM about the RESUME request */
|
||||
memset(&gbp, 0, sizeof(gbp));
|
||||
gbp.nsei = msgb_nsei(msg);
|
||||
gbp.bvci = ctx->bvci;
|
||||
gbp.tlli = tlli;
|
||||
gbp.ra_id = &raid;
|
||||
gbp.u.resume.suspend_ref = suspend_ref;
|
||||
osmo_prim_init(&gbp.oph, SAP_BSSGP_GMM, PRIM_BSSGP_GMM_RESUME,
|
||||
PRIM_OP_REQUEST, msg);
|
||||
|
||||
rc = bssgp_prim_cb(&gbp.oph, NULL);
|
||||
if (rc < 0)
|
||||
return bssgp_tx_resume_nack(msgb_nsei(msg), tlli, &raid,
|
||||
NULL);
|
||||
|
||||
bssgp_tx_resume_ack(msgb_nsei(msg), tlli, &raid);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static int bssgp_rx_llc_disc(struct msgb *msg, struct tlv_parsed *tp,
|
||||
struct bssgp_bvc_ctx *ctx)
|
||||
{
|
||||
struct osmo_bssgp_prim nmp;
|
||||
uint32_t tlli = 0;
|
||||
|
||||
if (!TLVP_PRESENT(tp, BSSGP_IE_TLLI) ||
|
||||
!TLVP_PRESENT(tp, BSSGP_IE_LLC_FRAMES_DISCARDED) ||
|
||||
!TLVP_PRESENT(tp, BSSGP_IE_BVCI) ||
|
||||
!TLVP_PRESENT(tp, BSSGP_IE_NUM_OCT_AFF)) {
|
||||
LOGP(DBSSGP, LOGL_ERROR, "BSSGP BVCI=%u Rx LLC DISCARDED "
|
||||
"missing mandatory IE\n", ctx->bvci);
|
||||
}
|
||||
|
||||
if (TLVP_PRESENT(tp, BSSGP_IE_TLLI))
|
||||
tlli = ntohl(*(uint32_t *)TLVP_VAL(tp, BSSGP_IE_TLLI));
|
||||
|
||||
DEBUGP(DBSSGP, "BSSGP BVCI=%u TLLI=%08x Rx LLC DISCARDED\n",
|
||||
ctx->bvci, tlli);
|
||||
|
||||
rate_ctr_inc(&ctx->ctrg->ctr[BSSGP_CTR_DISCARDED]);
|
||||
|
||||
/* send NM_LLC_DISCARDED to NM */
|
||||
memset(&nmp, 0, sizeof(nmp));
|
||||
nmp.nsei = msgb_nsei(msg);
|
||||
nmp.bvci = ctx->bvci;
|
||||
nmp.tlli = tlli;
|
||||
nmp.tp = tp;
|
||||
osmo_prim_init(&nmp.oph, SAP_BSSGP_NM, PRIM_NM_LLC_DISCARDED,
|
||||
PRIM_OP_INDICATION, msg);
|
||||
|
||||
return bssgp_prim_cb(&nmp.oph, NULL);
|
||||
}
|
||||
|
||||
static int bssgp_rx_fc_bvc(struct msgb *msg, struct tlv_parsed *tp,
|
||||
struct bssgp_bvc_ctx *bctx)
|
||||
{
|
||||
|
||||
DEBUGP(DBSSGP, "BSSGP BVCI=%u Rx Flow Control BVC\n",
|
||||
bctx->bvci);
|
||||
|
||||
if (!TLVP_PRESENT(tp, BSSGP_IE_TAG) ||
|
||||
!TLVP_PRESENT(tp, BSSGP_IE_BVC_BUCKET_SIZE) ||
|
||||
!TLVP_PRESENT(tp, BSSGP_IE_BUCKET_LEAK_RATE) ||
|
||||
!TLVP_PRESENT(tp, BSSGP_IE_BMAX_DEFAULT_MS) ||
|
||||
!TLVP_PRESENT(tp, BSSGP_IE_R_DEFAULT_MS)) {
|
||||
LOGP(DBSSGP, LOGL_ERROR, "BSSGP BVCI=%u Rx FC BVC "
|
||||
"missing mandatory IE\n", bctx->bvci);
|
||||
return bssgp_tx_status(BSSGP_CAUSE_MISSING_MAND_IE, NULL, msg);
|
||||
}
|
||||
|
||||
/* FIXME: actually implement flow control */
|
||||
|
||||
/* Send FLOW_CONTROL_BVC_ACK */
|
||||
return bssgp_tx_fc_bvc_ack(msgb_nsei(msg), *TLVP_VAL(tp, BSSGP_IE_TAG),
|
||||
msgb_bvci(msg));
|
||||
}
|
||||
|
||||
/* Receive a BSSGP PDU from a BSS on a PTP BVCI */
|
||||
static int bssgp_rx_ptp(struct msgb *msg, struct tlv_parsed *tp,
|
||||
struct bssgp_bvc_ctx *bctx)
|
||||
{
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_bssgph(msg);
|
||||
uint8_t pdu_type = bgph->pdu_type;
|
||||
int rc = 0;
|
||||
|
||||
/* If traffic is received on a BVC that is marked as blocked, the
|
||||
* received PDU shall not be accepted and a STATUS PDU (Cause value:
|
||||
* BVC Blocked) shall be sent to the peer entity on the signalling BVC */
|
||||
if (bctx->state & BVC_S_BLOCKED && pdu_type != BSSGP_PDUT_STATUS) {
|
||||
uint16_t bvci = msgb_bvci(msg);
|
||||
return bssgp_tx_status(BSSGP_CAUSE_BVCI_BLOCKED, &bvci, msg);
|
||||
}
|
||||
|
||||
switch (pdu_type) {
|
||||
case BSSGP_PDUT_UL_UNITDATA:
|
||||
/* some LLC data from the MS */
|
||||
rc = bssgp_rx_ul_ud(msg, tp, bctx);
|
||||
break;
|
||||
case BSSGP_PDUT_RA_CAPABILITY:
|
||||
/* BSS requests RA capability or IMSI */
|
||||
DEBUGP(DBSSGP, "BSSGP BVCI=%u Rx RA CAPABILITY UPDATE\n",
|
||||
bctx->bvci);
|
||||
/* FIXME: send GMM_RA_CAPABILITY_UPDATE.ind to GMM */
|
||||
/* FIXME: send RA_CAPA_UPDATE_ACK */
|
||||
break;
|
||||
case BSSGP_PDUT_RADIO_STATUS:
|
||||
DEBUGP(DBSSGP, "BSSGP BVCI=%u Rx RADIO STATUS\n", bctx->bvci);
|
||||
/* BSS informs us of some exception */
|
||||
/* FIXME: send GMM_RADIO_STATUS.ind to GMM */
|
||||
break;
|
||||
case BSSGP_PDUT_FLOW_CONTROL_BVC:
|
||||
/* BSS informs us of available bandwidth in Gb interface */
|
||||
rc = bssgp_rx_fc_bvc(msg, tp, bctx);
|
||||
break;
|
||||
case BSSGP_PDUT_FLOW_CONTROL_MS:
|
||||
/* BSS informs us of available bandwidth to one MS */
|
||||
DEBUGP(DBSSGP, "BSSGP BVCI=%u Rx Flow Control MS\n",
|
||||
bctx->bvci);
|
||||
/* FIXME: actually implement flow control */
|
||||
/* FIXME: Send FLOW_CONTROL_MS_ACK */
|
||||
break;
|
||||
case BSSGP_PDUT_STATUS:
|
||||
/* Some exception has occurred */
|
||||
/* FIXME: send NM_STATUS.ind to NM */
|
||||
case BSSGP_PDUT_DOWNLOAD_BSS_PFC:
|
||||
case BSSGP_PDUT_CREATE_BSS_PFC_ACK:
|
||||
case BSSGP_PDUT_CREATE_BSS_PFC_NACK:
|
||||
case BSSGP_PDUT_MODIFY_BSS_PFC:
|
||||
case BSSGP_PDUT_DELETE_BSS_PFC_ACK:
|
||||
DEBUGP(DBSSGP, "BSSGP BVCI=%u Rx PDU type 0x%02x not [yet] "
|
||||
"implemented\n", bctx->bvci, pdu_type);
|
||||
rc = bssgp_tx_status(BSSGP_CAUSE_PDU_INCOMP_FEAT, NULL, msg);
|
||||
break;
|
||||
/* those only exist in the SGSN -> BSS direction */
|
||||
case BSSGP_PDUT_DL_UNITDATA:
|
||||
case BSSGP_PDUT_PAGING_PS:
|
||||
case BSSGP_PDUT_PAGING_CS:
|
||||
case BSSGP_PDUT_RA_CAPA_UPDATE_ACK:
|
||||
case BSSGP_PDUT_FLOW_CONTROL_BVC_ACK:
|
||||
case BSSGP_PDUT_FLOW_CONTROL_MS_ACK:
|
||||
DEBUGP(DBSSGP, "BSSGP BVCI=%u PDU type 0x%02x only exists "
|
||||
"in DL\n", bctx->bvci, pdu_type);
|
||||
bssgp_tx_status(BSSGP_CAUSE_PROTO_ERR_UNSPEC, NULL, msg);
|
||||
rc = -EINVAL;
|
||||
break;
|
||||
default:
|
||||
DEBUGP(DBSSGP, "BSSGP BVCI=%u PDU type 0x%02x unknown\n",
|
||||
bctx->bvci, pdu_type);
|
||||
rc = bssgp_tx_status(BSSGP_CAUSE_PROTO_ERR_UNSPEC, NULL, msg);
|
||||
break;
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
/* Receive a BSSGP PDU from a BSS on a SIGNALLING BVCI */
|
||||
static int bssgp_rx_sign(struct msgb *msg, struct tlv_parsed *tp,
|
||||
struct bssgp_bvc_ctx *bctx)
|
||||
{
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_bssgph(msg);
|
||||
uint8_t pdu_type = bgph->pdu_type;
|
||||
int rc = 0;
|
||||
uint16_t ns_bvci = msgb_bvci(msg);
|
||||
uint16_t bvci;
|
||||
|
||||
switch (bgph->pdu_type) {
|
||||
case BSSGP_PDUT_SUSPEND:
|
||||
/* MS wants to suspend */
|
||||
rc = bssgp_rx_suspend(msg, tp, bctx);
|
||||
break;
|
||||
case BSSGP_PDUT_RESUME:
|
||||
/* MS wants to resume */
|
||||
rc = bssgp_rx_resume(msg, tp, bctx);
|
||||
break;
|
||||
case BSSGP_PDUT_FLUSH_LL_ACK:
|
||||
/* BSS informs us it has performed LL FLUSH */
|
||||
DEBUGP(DBSSGP, "BSSGP Rx BVCI=%u FLUSH LL ACK\n", bctx->bvci);
|
||||
/* FIXME: send NM_FLUSH_LL.res to NM */
|
||||
break;
|
||||
case BSSGP_PDUT_LLC_DISCARD:
|
||||
/* BSS informs that some LLC PDU's have been discarded */
|
||||
rc = bssgp_rx_llc_disc(msg, tp, bctx);
|
||||
break;
|
||||
case BSSGP_PDUT_BVC_BLOCK:
|
||||
/* BSS tells us that BVC shall be blocked */
|
||||
if (!TLVP_PRESENT(tp, BSSGP_IE_BVCI) ||
|
||||
!TLVP_PRESENT(tp, BSSGP_IE_CAUSE)) {
|
||||
LOGP(DBSSGP, LOGL_ERROR, "BSSGP Rx BVC-BLOCK "
|
||||
"missing mandatory IE\n");
|
||||
goto err_mand_ie;
|
||||
}
|
||||
rc = bssgp_rx_bvc_block(msg, tp);
|
||||
break;
|
||||
case BSSGP_PDUT_BVC_UNBLOCK:
|
||||
/* BSS tells us that BVC shall be unblocked */
|
||||
if (!TLVP_PRESENT(tp, BSSGP_IE_BVCI)) {
|
||||
LOGP(DBSSGP, LOGL_ERROR, "BSSGP Rx BVC-UNBLOCK "
|
||||
"missing mandatory IE\n");
|
||||
goto err_mand_ie;
|
||||
}
|
||||
rc = bssgp_rx_bvc_unblock(msg, tp);
|
||||
break;
|
||||
case BSSGP_PDUT_BVC_RESET:
|
||||
/* BSS tells us that BVC init is required */
|
||||
if (!TLVP_PRESENT(tp, BSSGP_IE_BVCI) ||
|
||||
!TLVP_PRESENT(tp, BSSGP_IE_CAUSE)) {
|
||||
LOGP(DBSSGP, LOGL_ERROR, "BSSGP Rx BVC-RESET "
|
||||
"missing mandatory IE\n");
|
||||
goto err_mand_ie;
|
||||
}
|
||||
rc = bssgp_rx_bvc_reset(msg, tp, ns_bvci);
|
||||
break;
|
||||
case BSSGP_PDUT_STATUS:
|
||||
/* Some exception has occurred */
|
||||
DEBUGP(DBSSGP, "BSSGP BVCI=%u Rx BVC STATUS\n", bctx->bvci);
|
||||
/* FIXME: send NM_STATUS.ind to NM */
|
||||
break;
|
||||
/* those only exist in the SGSN -> BSS direction */
|
||||
case BSSGP_PDUT_PAGING_PS:
|
||||
case BSSGP_PDUT_PAGING_CS:
|
||||
case BSSGP_PDUT_SUSPEND_ACK:
|
||||
case BSSGP_PDUT_SUSPEND_NACK:
|
||||
case BSSGP_PDUT_RESUME_ACK:
|
||||
case BSSGP_PDUT_RESUME_NACK:
|
||||
case BSSGP_PDUT_FLUSH_LL:
|
||||
case BSSGP_PDUT_BVC_BLOCK_ACK:
|
||||
case BSSGP_PDUT_BVC_UNBLOCK_ACK:
|
||||
case BSSGP_PDUT_SGSN_INVOKE_TRACE:
|
||||
DEBUGP(DBSSGP, "BSSGP BVCI=%u Rx PDU type 0x%02x only exists "
|
||||
"in DL\n", bctx->bvci, pdu_type);
|
||||
bssgp_tx_status(BSSGP_CAUSE_PROTO_ERR_UNSPEC, NULL, msg);
|
||||
rc = -EINVAL;
|
||||
break;
|
||||
default:
|
||||
DEBUGP(DBSSGP, "BSSGP BVCI=%u Rx PDU type 0x%02x unknown\n",
|
||||
bctx->bvci, pdu_type);
|
||||
rc = bssgp_tx_status(BSSGP_CAUSE_PROTO_ERR_UNSPEC, NULL, msg);
|
||||
break;
|
||||
}
|
||||
|
||||
return rc;
|
||||
err_mand_ie:
|
||||
return bssgp_tx_status(BSSGP_CAUSE_MISSING_MAND_IE, NULL, msg);
|
||||
}
|
||||
|
||||
/* We expect msgb_bssgph() to point to the BSSGP header */
|
||||
int bssgp_rcvmsg(struct msgb *msg)
|
||||
{
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_bssgph(msg);
|
||||
struct bssgp_ud_hdr *budh = (struct bssgp_ud_hdr *) msgb_bssgph(msg);
|
||||
struct tlv_parsed tp;
|
||||
struct bssgp_bvc_ctx *bctx;
|
||||
uint8_t pdu_type = bgph->pdu_type;
|
||||
uint16_t ns_bvci = msgb_bvci(msg);
|
||||
int data_len;
|
||||
int rc = 0;
|
||||
|
||||
/* Identifiers from DOWN: NSEI, BVCI (both in msg->cb) */
|
||||
|
||||
/* UNITDATA BSSGP headers have TLLI in front */
|
||||
if (pdu_type != BSSGP_PDUT_UL_UNITDATA &&
|
||||
pdu_type != BSSGP_PDUT_DL_UNITDATA) {
|
||||
data_len = msgb_bssgp_len(msg) - sizeof(*bgph);
|
||||
rc = bssgp_tlv_parse(&tp, bgph->data, data_len);
|
||||
} else {
|
||||
data_len = msgb_bssgp_len(msg) - sizeof(*budh);
|
||||
rc = bssgp_tlv_parse(&tp, budh->data, data_len);
|
||||
}
|
||||
|
||||
/* look-up or create the BTS context for this BVC */
|
||||
bctx = btsctx_by_bvci_nsei(ns_bvci, msgb_nsei(msg));
|
||||
/* Only a RESET PDU can create a new BVC context */
|
||||
if (!bctx && pdu_type != BSSGP_PDUT_BVC_RESET) {
|
||||
LOGP(DBSSGP, LOGL_NOTICE, "NSEI=%u/BVCI=%u Rejecting PDU "
|
||||
"type %u for unknown BVCI\n", msgb_nsei(msg), ns_bvci,
|
||||
pdu_type);
|
||||
return bssgp_tx_status(BSSGP_CAUSE_UNKNOWN_BVCI, NULL, msg);
|
||||
}
|
||||
|
||||
if (bctx) {
|
||||
log_set_context(GPRS_CTX_BVC, bctx);
|
||||
rate_ctr_inc(&bctx->ctrg->ctr[BSSGP_CTR_PKTS_IN]);
|
||||
rate_ctr_add(&bctx->ctrg->ctr[BSSGP_CTR_BYTES_IN],
|
||||
msgb_bssgp_len(msg));
|
||||
}
|
||||
|
||||
if (ns_bvci == BVCI_SIGNALLING)
|
||||
rc = bssgp_rx_sign(msg, &tp, bctx);
|
||||
else if (ns_bvci == BVCI_PTM)
|
||||
rc = bssgp_tx_status(BSSGP_CAUSE_PDU_INCOMP_FEAT, NULL, msg);
|
||||
else
|
||||
rc = bssgp_rx_ptp(msg, &tp, bctx);
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
int bssgp_tx_dl_ud(struct msgb *msg, uint16_t pdu_lifetime,
|
||||
struct bssgp_dl_ud_par *dup)
|
||||
{
|
||||
struct bssgp_bvc_ctx *bctx;
|
||||
struct bssgp_ud_hdr *budh;
|
||||
uint8_t llc_pdu_tlv_hdr_len = 2;
|
||||
uint8_t *llc_pdu_tlv;
|
||||
uint16_t msg_len = msg->len;
|
||||
uint16_t bvci = msgb_bvci(msg);
|
||||
uint16_t nsei = msgb_nsei(msg);
|
||||
uint16_t _pdu_lifetime = htons(pdu_lifetime); /* centi-seconds */
|
||||
uint16_t drx_params;
|
||||
|
||||
/* Identifiers from UP: TLLI, BVCI, NSEI (all in msgb->cb) */
|
||||
if (bvci <= BVCI_PTM ) {
|
||||
LOGP(DBSSGP, LOGL_ERROR, "Cannot send DL-UD to BVCI %u\n",
|
||||
bvci);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
bctx = btsctx_by_bvci_nsei(bvci, nsei);
|
||||
if (!bctx) {
|
||||
/* FIXME: don't simply create missing context, but reject message */
|
||||
bctx = btsctx_alloc(bvci, nsei);
|
||||
}
|
||||
|
||||
if (msg->len > TVLV_MAX_ONEBYTE)
|
||||
llc_pdu_tlv_hdr_len += 1;
|
||||
|
||||
/* prepend the tag and length of the LLC-PDU TLV */
|
||||
llc_pdu_tlv = msgb_push(msg, llc_pdu_tlv_hdr_len);
|
||||
llc_pdu_tlv[0] = BSSGP_IE_LLC_PDU;
|
||||
if (llc_pdu_tlv_hdr_len > 2) {
|
||||
llc_pdu_tlv[1] = msg_len >> 8;
|
||||
llc_pdu_tlv[2] = msg_len & 0xff;
|
||||
} else {
|
||||
llc_pdu_tlv[1] = msg_len & 0x7f;
|
||||
llc_pdu_tlv[1] |= 0x80;
|
||||
}
|
||||
|
||||
/* FIXME: optional elements: Alignment, UTRAN CCO, LSA, PFI */
|
||||
|
||||
if (dup) {
|
||||
/* Old TLLI to help BSS map from old->new */
|
||||
if (dup->tlli) {
|
||||
uint32_t tlli = htonl(*dup->tlli);
|
||||
msgb_tvlv_push(msg, BSSGP_IE_TLLI, 4, (uint8_t *) &tlli);
|
||||
}
|
||||
|
||||
/* IMSI */
|
||||
if (strlen(dup->imsi)) {
|
||||
uint8_t mi[10];
|
||||
int imsi_len = gsm48_generate_mid_from_imsi(mi, dup->imsi);
|
||||
if (imsi_len > 2)
|
||||
msgb_tvlv_push(msg, BSSGP_IE_IMSI,
|
||||
imsi_len-2, mi+2);
|
||||
}
|
||||
|
||||
/* DRX parameters */
|
||||
drx_params = htons(dup->drx_parms);
|
||||
msgb_tvlv_push(msg, BSSGP_IE_DRX_PARAMS, 2,
|
||||
(uint8_t *) &drx_params);
|
||||
|
||||
/* FIXME: Priority */
|
||||
|
||||
/* MS Radio Access Capability */
|
||||
if (dup->ms_ra_cap.len)
|
||||
msgb_tvlv_push(msg, BSSGP_IE_MS_RADIO_ACCESS_CAP,
|
||||
dup->ms_ra_cap.len, dup->ms_ra_cap.v);
|
||||
|
||||
}
|
||||
|
||||
/* prepend the pdu lifetime */
|
||||
msgb_tvlv_push(msg, BSSGP_IE_PDU_LIFETIME, 2, (uint8_t *)&_pdu_lifetime);
|
||||
|
||||
/* prepend the QoS profile, TLLI and pdu type */
|
||||
budh = (struct bssgp_ud_hdr *) msgb_push(msg, sizeof(*budh));
|
||||
memcpy(budh->qos_profile, dup->qos_profile, sizeof(budh->qos_profile));
|
||||
budh->tlli = htonl(msgb_tlli(msg));
|
||||
budh->pdu_type = BSSGP_PDUT_DL_UNITDATA;
|
||||
|
||||
rate_ctr_inc(&bctx->ctrg->ctr[BSSGP_CTR_PKTS_OUT]);
|
||||
rate_ctr_add(&bctx->ctrg->ctr[BSSGP_CTR_BYTES_OUT], msg->len);
|
||||
|
||||
/* Identifiers down: BVCI, NSEI (in msgb->cb) */
|
||||
|
||||
return gprs_ns_sendmsg(bssgp_nsi, msg);
|
||||
}
|
||||
|
||||
/* Send a single GMM-PAGING.req to a given NSEI/NS-BVCI */
|
||||
int bssgp_tx_paging(uint16_t nsei, uint16_t ns_bvci,
|
||||
struct bssgp_paging_info *pinfo)
|
||||
{
|
||||
struct msgb *msg = bssgp_msgb_alloc();
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph));
|
||||
uint16_t drx_params = htons(pinfo->drx_params);
|
||||
uint8_t mi[10];
|
||||
int imsi_len = gsm48_generate_mid_from_imsi(mi, pinfo->imsi);
|
||||
uint8_t ra[6];
|
||||
|
||||
if (imsi_len < 2)
|
||||
return -EINVAL;
|
||||
|
||||
msgb_nsei(msg) = nsei;
|
||||
msgb_bvci(msg) = ns_bvci;
|
||||
|
||||
if (pinfo->mode == BSSGP_PAGING_PS)
|
||||
bgph->pdu_type = BSSGP_PDUT_PAGING_PS;
|
||||
else
|
||||
bgph->pdu_type = BSSGP_PDUT_PAGING_CS;
|
||||
/* IMSI */
|
||||
msgb_tvlv_put(msg, BSSGP_IE_IMSI, imsi_len-2, mi+2);
|
||||
/* DRX Parameters */
|
||||
msgb_tvlv_put(msg, BSSGP_IE_DRX_PARAMS, 2,
|
||||
(uint8_t *) &drx_params);
|
||||
/* Scope */
|
||||
switch (pinfo->scope) {
|
||||
case BSSGP_PAGING_BSS_AREA:
|
||||
{
|
||||
uint8_t null = 0;
|
||||
msgb_tvlv_put(msg, BSSGP_IE_BSS_AREA_ID, 1, &null);
|
||||
}
|
||||
break;
|
||||
case BSSGP_PAGING_LOCATION_AREA:
|
||||
gsm48_construct_ra(ra, &pinfo->raid);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_LOCATION_AREA, 4, ra);
|
||||
break;
|
||||
case BSSGP_PAGING_ROUTEING_AREA:
|
||||
gsm48_construct_ra(ra, &pinfo->raid);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_ROUTEING_AREA, 6, ra);
|
||||
break;
|
||||
case BSSGP_PAGING_BVCI:
|
||||
{
|
||||
uint16_t bvci = htons(pinfo->bvci);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_BVCI, 2, (uint8_t *)&bvci);
|
||||
}
|
||||
break;
|
||||
}
|
||||
/* QoS profile mandatory for PS */
|
||||
if (pinfo->mode == BSSGP_PAGING_PS)
|
||||
msgb_tvlv_put(msg, BSSGP_IE_QOS_PROFILE, 3, pinfo->qos);
|
||||
|
||||
/* Optional (P-)TMSI */
|
||||
if (pinfo->ptmsi) {
|
||||
uint32_t ptmsi = htonl(*pinfo->ptmsi);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_TMSI, 4, (uint8_t *) &ptmsi);
|
||||
}
|
||||
|
||||
return gprs_ns_sendmsg(bssgp_nsi, msg);
|
||||
}
|
||||
|
||||
void bssgp_set_log_ss(int ss)
|
||||
{
|
||||
DBSSGP = ss;
|
||||
}
|
|
@ -0,0 +1,425 @@
|
|||
/* GPRS BSSGP protocol implementation as per 3GPP TS 08.18 */
|
||||
|
||||
/* (C) 2009-2012 by Harald Welte <laforge@gnumonks.org>
|
||||
*
|
||||
* All Rights Reserved
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as published by
|
||||
* the Free Software Foundation; either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <errno.h>
|
||||
#include <stdint.h>
|
||||
|
||||
#include <netinet/in.h>
|
||||
|
||||
#include <osmocom/core/msgb.h>
|
||||
#include <osmocom/core/rate_ctr.h>
|
||||
#include <osmocom/gsm/tlv.h>
|
||||
#include <osmocom/core/talloc.h>
|
||||
#include <osmocom/gprs/gprs_bssgp.h>
|
||||
#include <osmocom/gprs/gprs_ns.h>
|
||||
|
||||
#include "common_vty.h"
|
||||
|
||||
uint8_t *bssgp_msgb_tlli_put(struct msgb *msg, uint32_t tlli)
|
||||
{
|
||||
uint32_t _tlli = htonl(tlli);
|
||||
return msgb_tvlv_put(msg, BSSGP_IE_TLLI, 4, (uint8_t *) &_tlli);
|
||||
}
|
||||
|
||||
/*! \brief GMM-SUSPEND.req (Chapter 10.3.6) */
|
||||
int bssgp_tx_suspend(uint16_t nsei, uint32_t tlli,
|
||||
const struct gprs_ra_id *ra_id)
|
||||
{
|
||||
struct msgb *msg = bssgp_msgb_alloc();
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph));
|
||||
uint8_t ra[6];
|
||||
|
||||
LOGP(DBSSGP, LOGL_NOTICE, "BSSGP (BVCI=0) Tx SUSPEND (TLLI=0x%04x)\n",
|
||||
tlli);
|
||||
msgb_nsei(msg) = nsei;
|
||||
msgb_bvci(msg) = 0; /* Signalling */
|
||||
bgph->pdu_type = BSSGP_PDUT_SUSPEND;
|
||||
|
||||
bssgp_msgb_tlli_put(msg, tlli);
|
||||
|
||||
gsm48_construct_ra(ra, ra_id);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_ROUTEING_AREA, 6, ra);
|
||||
|
||||
return gprs_ns_sendmsg(bssgp_nsi, msg);
|
||||
}
|
||||
|
||||
/*! \brief GMM-RESUME.req (Chapter 10.3.9) */
|
||||
int bssgp_tx_resume(uint16_t nsei, uint32_t tlli,
|
||||
const struct gprs_ra_id *ra_id, uint8_t suspend_ref)
|
||||
{
|
||||
struct msgb *msg = bssgp_msgb_alloc();
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph));
|
||||
uint8_t ra[6];
|
||||
|
||||
LOGP(DBSSGP, LOGL_NOTICE, "BSSGP (BVCI=0) Tx RESUME (TLLI=0x%04x)\n",
|
||||
tlli);
|
||||
msgb_nsei(msg) = nsei;
|
||||
msgb_bvci(msg) = 0; /* Signalling */
|
||||
bgph->pdu_type = BSSGP_PDUT_RESUME;
|
||||
|
||||
bssgp_msgb_tlli_put(msg, tlli);
|
||||
|
||||
gsm48_construct_ra(ra, ra_id);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_ROUTEING_AREA, 6, ra);
|
||||
|
||||
msgb_tvlv_put(msg, BSSGP_IE_SUSPEND_REF_NR, 1, &suspend_ref);
|
||||
|
||||
return gprs_ns_sendmsg(bssgp_nsi, msg);
|
||||
}
|
||||
|
||||
/*! \brief Transmit RA-CAPABILITY-UPDATE (10.3.3) */
|
||||
int bssgp_tx_ra_capa_upd(struct bssgp_bvc_ctx *bctx, uint32_t tlli, uint8_t tag)
|
||||
{
|
||||
struct msgb *msg = bssgp_msgb_alloc();
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph));
|
||||
|
||||
LOGP(DBSSGP, LOGL_NOTICE, "BSSGP (BVCI=%u) Tx RA-CAPA-UPD (TLLI=0x%04x)\n",
|
||||
bctx->bvci, tlli);
|
||||
|
||||
/* set NSEI and BVCI in msgb cb */
|
||||
msgb_nsei(msg) = bctx->nsei;
|
||||
msgb_bvci(msg) = bctx->bvci;
|
||||
|
||||
bgph->pdu_type = BSSGP_PDUT_RA_CAPA_UDPATE;
|
||||
bssgp_msgb_tlli_put(msg, tlli);
|
||||
|
||||
msgb_tvlv_put(msg, BSSGP_IE_TAG, 1, &tag);
|
||||
|
||||
return gprs_ns_sendmsg(bssgp_nsi, msg);
|
||||
}
|
||||
|
||||
/* first common part of RADIO-STATUS */
|
||||
static struct msgb *common_tx_radio_status(struct bssgp_bvc_ctx *bctx)
|
||||
{
|
||||
struct msgb *msg = bssgp_msgb_alloc();
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph));
|
||||
|
||||
LOGP(DBSSGP, LOGL_NOTICE, "BSSGP (BVCI=%u) Tx RADIO-STATUS ",
|
||||
bctx->bvci);
|
||||
|
||||
/* set NSEI and BVCI in msgb cb */
|
||||
msgb_nsei(msg) = bctx->nsei;
|
||||
msgb_bvci(msg) = bctx->bvci;
|
||||
|
||||
bgph->pdu_type = BSSGP_PDUT_RADIO_STATUS;
|
||||
|
||||
return msg;
|
||||
}
|
||||
|
||||
/* second common part of RADIO-STATUS */
|
||||
static int common_tx_radio_status2(struct msgb *msg, uint8_t cause)
|
||||
{
|
||||
msgb_tvlv_put(msg, BSSGP_IE_CAUSE, 1, &cause);
|
||||
LOGPC(DBSSGP, LOGL_NOTICE, "CAUSE=%u\n", cause);
|
||||
|
||||
return gprs_ns_sendmsg(bssgp_nsi, msg);
|
||||
}
|
||||
|
||||
/*! \brief Transmit RADIO-STATUS for TLLI (10.3.5) */
|
||||
int bssgp_tx_radio_status_tlli(struct bssgp_bvc_ctx *bctx, uint8_t cause,
|
||||
uint32_t tlli)
|
||||
{
|
||||
struct msgb *msg = common_tx_radio_status(bctx);
|
||||
|
||||
if (!msg)
|
||||
return -ENOMEM;
|
||||
bssgp_msgb_tlli_put(msg, tlli);
|
||||
LOGPC(DBSSGP, LOGL_NOTICE, "TLLI=0x%08x ", tlli);
|
||||
|
||||
return common_tx_radio_status2(msg, cause);
|
||||
}
|
||||
|
||||
/*! \brief Transmit RADIO-STATUS for TMSI (10.3.5) */
|
||||
int bssgp_tx_radio_status_tmsi(struct bssgp_bvc_ctx *bctx, uint8_t cause,
|
||||
uint32_t tmsi)
|
||||
{
|
||||
struct msgb *msg = common_tx_radio_status(bctx);
|
||||
uint32_t _tmsi = htonl(tmsi);
|
||||
|
||||
if (!msg)
|
||||
return -ENOMEM;
|
||||
msgb_tvlv_put(msg, BSSGP_IE_TMSI, 4, (uint8_t *)&_tmsi);
|
||||
LOGPC(DBSSGP, LOGL_NOTICE, "TMSI=0x%08x ", tmsi);
|
||||
|
||||
return common_tx_radio_status2(msg, cause);
|
||||
}
|
||||
|
||||
/*! \brief Transmit RADIO-STATUS for IMSI (10.3.5) */
|
||||
int bssgp_tx_radio_status_imsi(struct bssgp_bvc_ctx *bctx, uint8_t cause,
|
||||
const char *imsi)
|
||||
{
|
||||
struct msgb *msg = common_tx_radio_status(bctx);
|
||||
uint8_t mi[10];
|
||||
int imsi_len = gsm48_generate_mid_from_imsi(mi, imsi);
|
||||
|
||||
if (!msg)
|
||||
return -ENOMEM;
|
||||
|
||||
/* strip the MI type and length values (2 bytes) */
|
||||
if (imsi_len > 2)
|
||||
msgb_tvlv_put(msg, BSSGP_IE_IMSI, imsi_len-2, mi+2);
|
||||
LOGPC(DBSSGP, LOGL_NOTICE, "IMSI=%s ", imsi);
|
||||
|
||||
return common_tx_radio_status2(msg, cause);
|
||||
}
|
||||
|
||||
/*! \brief Transmit FLUSH-LL-ACK (Chapter 10.4.2) */
|
||||
int bssgp_tx_flush_ll_ack(struct bssgp_bvc_ctx *bctx, uint32_t tlli,
|
||||
uint8_t action, uint16_t bvci_new,
|
||||
uint32_t num_octets)
|
||||
{
|
||||
struct msgb *msg = bssgp_msgb_alloc();
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph));
|
||||
uint16_t _bvci_new = htons(bvci_new);
|
||||
uint32_t _oct_aff = htonl(num_octets & 0xFFFFFF);
|
||||
|
||||
msgb_nsei(msg) = bctx->nsei;
|
||||
msgb_bvci(msg) = 0; /* Signalling */
|
||||
bgph->pdu_type = BSSGP_PDUT_FLUSH_LL_ACK;
|
||||
|
||||
bssgp_msgb_tlli_put(msg, tlli);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_FLUSH_ACTION, 1, &action);
|
||||
if (action == 1) /* transferred */
|
||||
msgb_tvlv_put(msg, BSSGP_IE_BVCI, 2, (uint8_t *) &_bvci_new);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_NUM_OCT_AFF, 3, (uint8_t *) &_oct_aff);
|
||||
|
||||
return gprs_ns_sendmsg(bssgp_nsi, msg);
|
||||
}
|
||||
|
||||
/*! \brief Transmit LLC-DISCARDED (Chapter 10.4.3) */
|
||||
int bssgp_tx_llc_discarded(struct bssgp_bvc_ctx *bctx, uint32_t tlli,
|
||||
uint8_t num_frames, uint32_t num_octets)
|
||||
{
|
||||
struct msgb *msg = bssgp_msgb_alloc();
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph));
|
||||
uint16_t _bvci = htons(bctx->bvci);
|
||||
uint32_t _oct_aff = htonl(num_octets & 0xFFFFFF);
|
||||
|
||||
LOGP(DBSSGP, LOGL_NOTICE, "BSSGP (BVCI=%u) Tx LLC-DISCARDED "
|
||||
"TLLI=0x%04x, FRAMES=%u, OCTETS=%u\n", bctx->bvci, tlli,
|
||||
num_frames, num_octets);
|
||||
msgb_nsei(msg) = bctx->nsei;
|
||||
msgb_bvci(msg) = 0; /* Signalling */
|
||||
bgph->pdu_type = BSSGP_PDUT_LLC_DISCARD;
|
||||
|
||||
bssgp_msgb_tlli_put(msg, tlli);
|
||||
|
||||
msgb_tvlv_put(msg, BSSGP_IE_LLC_FRAMES_DISCARDED, 1, &num_frames);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_BVCI, 2, (uint8_t *) &_bvci);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_NUM_OCT_AFF, 3, (uint8_t *) &_oct_aff);
|
||||
|
||||
return gprs_ns_sendmsg(bssgp_nsi, msg);
|
||||
}
|
||||
|
||||
/*! \brief Transmit a BVC-BLOCK message (Chapter 10.4.8) */
|
||||
int bssgp_tx_bvc_block(struct bssgp_bvc_ctx *bctx, uint8_t cause)
|
||||
{
|
||||
struct msgb *msg = bssgp_msgb_alloc();
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph));
|
||||
uint16_t _bvci = htons(bctx->bvci);
|
||||
|
||||
LOGP(DBSSGP, LOGL_NOTICE, "BSSGP (BVCI=%u) Tx BVC-BLOCK "
|
||||
"CAUSE=%u\n", bctx->bvci, cause);
|
||||
|
||||
msgb_nsei(msg) = bctx->nsei;
|
||||
msgb_bvci(msg) = 0; /* Signalling */
|
||||
bgph->pdu_type = BSSGP_PDUT_BVC_BLOCK;
|
||||
|
||||
msgb_tvlv_put(msg, BSSGP_IE_BVCI, 2, (uint8_t *) &_bvci);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_CAUSE, 1, &cause);
|
||||
|
||||
return gprs_ns_sendmsg(bssgp_nsi, msg);
|
||||
}
|
||||
|
||||
/*! \brief Transmit a BVC-UNBLOCK message (Chapter 10.4.10) */
|
||||
int bssgp_tx_bvc_unblock(struct bssgp_bvc_ctx *bctx)
|
||||
{
|
||||
struct msgb *msg = bssgp_msgb_alloc();
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph));
|
||||
uint16_t _bvci = htons(bctx->bvci);
|
||||
|
||||
LOGP(DBSSGP, LOGL_NOTICE, "BSSGP (BVCI=%u) Tx BVC-BLOCK\n", bctx->bvci);
|
||||
|
||||
msgb_nsei(msg) = bctx->nsei;
|
||||
msgb_bvci(msg) = 0; /* Signalling */
|
||||
bgph->pdu_type = BSSGP_PDUT_BVC_UNBLOCK;
|
||||
|
||||
msgb_tvlv_put(msg, BSSGP_IE_BVCI, 2, (uint8_t *) &_bvci);
|
||||
|
||||
return gprs_ns_sendmsg(bssgp_nsi, msg);
|
||||
}
|
||||
|
||||
/*! \brief Transmit a BVC-RESET message (Chapter 10.4.12) */
|
||||
int bssgp_tx_bvc_reset(struct bssgp_bvc_ctx *bctx, uint16_t bvci, uint8_t cause)
|
||||
{
|
||||
struct msgb *msg = bssgp_msgb_alloc();
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph));
|
||||
uint16_t _bvci = htons(bvci);
|
||||
|
||||
LOGP(DBSSGP, LOGL_NOTICE, "BSSGP (BVCI=%u) Tx BVC-RESET "
|
||||
"CAUSE=%u\n", bvci, cause);
|
||||
|
||||
msgb_nsei(msg) = bctx->nsei;
|
||||
msgb_bvci(msg) = 0; /* Signalling */
|
||||
bgph->pdu_type = BSSGP_PDUT_BVC_RESET;
|
||||
|
||||
msgb_tvlv_put(msg, BSSGP_IE_BVCI, 2, (uint8_t *) &_bvci);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_CAUSE, 1, &cause);
|
||||
if (bvci != BVCI_PTM) {
|
||||
uint8_t bssgp_cid[8];
|
||||
bssgp_create_cell_id(bssgp_cid, &bctx->ra_id, bctx->cell_id);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_CELL_ID, sizeof(bssgp_cid), bssgp_cid);
|
||||
}
|
||||
/* Optional: Feature Bitmap */
|
||||
|
||||
return gprs_ns_sendmsg(bssgp_nsi, msg);
|
||||
}
|
||||
|
||||
|
||||
/*! \brief RL-UL-UNITDATA.req (Chapter 10.2.2) */
|
||||
int bssgp_tx_ul_ud(struct bssgp_bvc_ctx *bctx, uint32_t tlli,
|
||||
const uint8_t *qos_profile, struct msgb *llc_pdu)
|
||||
{
|
||||
struct msgb *msg = llc_pdu;
|
||||
uint8_t bssgp_cid[8];
|
||||
struct bssgp_ud_hdr *budh;
|
||||
|
||||
/* FIXME: First push alignment octets, if rqd */
|
||||
|
||||
/* FIXME: Optional LSA Identifier List, PFI */
|
||||
|
||||
/* Cell Identifier */
|
||||
bssgp_create_cell_id(bssgp_cid, &bctx->ra_id, bctx->cell_id);
|
||||
msgb_tvlv_push(msg, BSSGP_IE_CELL_ID, sizeof(bssgp_cid), bssgp_cid);
|
||||
|
||||
/* User Data Header */
|
||||
budh = (struct bssgp_ud_hdr *) msgb_push(msg, sizeof(*budh));
|
||||
budh->tlli = htonl(tlli);
|
||||
memcpy(budh->qos_profile, qos_profile, 3);
|
||||
budh->pdu_type = BSSGP_PDUT_UL_UNITDATA;
|
||||
|
||||
/* set NSEI and BVCI in msgb cb */
|
||||
msgb_nsei(msg) = bctx->nsei;
|
||||
msgb_bvci(msg) = bctx->bvci;
|
||||
|
||||
rate_ctr_inc(&bctx->ctrg->ctr[BSSGP_CTR_PKTS_OUT]);
|
||||
rate_ctr_add(&bctx->ctrg->ctr[BSSGP_CTR_BYTES_OUT], msg->len);
|
||||
|
||||
return gprs_ns_sendmsg(bssgp_nsi, msg);
|
||||
}
|
||||
|
||||
/* Parse a single GMM-PAGING.req to a given NSEI/NS-BVCI */
|
||||
int bssgp_rx_paging(struct bssgp_paging_info *pinfo,
|
||||
struct msgb *msg)
|
||||
{
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_bssgph(msg);
|
||||
struct tlv_parsed tp;
|
||||
uint8_t ra[6];
|
||||
int rc, data_len;
|
||||
|
||||
memset(ra, 0, sizeof(ra));
|
||||
|
||||
data_len = msgb_bssgp_len(msg) - sizeof(*bgph);
|
||||
rc = bssgp_tlv_parse(&tp, bgph->data, data_len);
|
||||
if (rc < 0)
|
||||
goto err_mand_ie;
|
||||
|
||||
switch (bgph->pdu_type) {
|
||||
case BSSGP_PDUT_PAGING_PS:
|
||||
pinfo->mode = BSSGP_PAGING_PS;
|
||||
break;
|
||||
case BSSGP_PDUT_PAGING_CS:
|
||||
pinfo->mode = BSSGP_PAGING_CS;
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* IMSI */
|
||||
if (!TLVP_PRESENT(&tp, BSSGP_IE_IMSI))
|
||||
goto err_mand_ie;
|
||||
if (!pinfo->imsi)
|
||||
pinfo->imsi = talloc_zero_size(pinfo, 16);
|
||||
gsm48_mi_to_string(pinfo->imsi, sizeof(pinfo->imsi),
|
||||
TLVP_VAL(&tp, BSSGP_IE_IMSI),
|
||||
TLVP_LEN(&tp, BSSGP_IE_IMSI));
|
||||
|
||||
/* DRX Parameters */
|
||||
if (!TLVP_PRESENT(&tp, BSSGP_IE_DRX_PARAMS))
|
||||
goto err_mand_ie;
|
||||
pinfo->drx_params = ntohs(*(uint16_t *)TLVP_VAL(&tp, BSSGP_IE_DRX_PARAMS));
|
||||
|
||||
/* Scope */
|
||||
if (TLVP_PRESENT(&tp, BSSGP_IE_BSS_AREA_ID)) {
|
||||
pinfo->scope = BSSGP_PAGING_BSS_AREA;
|
||||
} else if (TLVP_PRESENT(&tp, BSSGP_IE_LOCATION_AREA)) {
|
||||
pinfo->scope = BSSGP_PAGING_LOCATION_AREA;
|
||||
memcpy(ra, TLVP_VAL(&tp, BSSGP_IE_LOCATION_AREA),
|
||||
TLVP_LEN(&tp, BSSGP_IE_LOCATION_AREA));
|
||||
gsm48_parse_ra(&pinfo->raid, ra);
|
||||
} else if (TLVP_PRESENT(&tp, BSSGP_IE_ROUTEING_AREA)) {
|
||||
pinfo->scope = BSSGP_PAGING_ROUTEING_AREA;
|
||||
memcpy(ra, TLVP_VAL(&tp, BSSGP_IE_ROUTEING_AREA),
|
||||
TLVP_LEN(&tp, BSSGP_IE_ROUTEING_AREA));
|
||||
gsm48_parse_ra(&pinfo->raid, ra);
|
||||
} else if (TLVP_PRESENT(&tp, BSSGP_IE_BVCI)) {
|
||||
pinfo->scope = BSSGP_PAGING_BVCI;
|
||||
pinfo->bvci = ntohs(*(uint16_t *)TLVP_VAL(&tp, BSSGP_IE_BVCI));
|
||||
} else
|
||||
return -EINVAL;
|
||||
|
||||
/* QoS profile mandatory for PS */
|
||||
if (pinfo->mode == BSSGP_PAGING_PS) {
|
||||
if (!TLVP_PRESENT(&tp, BSSGP_IE_QOS_PROFILE))
|
||||
goto err_cond_ie;
|
||||
if (TLVP_LEN(&tp, BSSGP_IE_QOS_PROFILE) < 3)
|
||||
goto err;
|
||||
|
||||
memcpy(&pinfo->qos, TLVP_VAL(&tp, BSSGP_IE_QOS_PROFILE),
|
||||
3);
|
||||
}
|
||||
|
||||
/* Optional (P-)TMSI */
|
||||
if (TLVP_PRESENT(&tp, BSSGP_IE_TMSI) &&
|
||||
TLVP_LEN(&tp, BSSGP_IE_TMSI) >= 4)
|
||||
if (!pinfo->ptmsi)
|
||||
pinfo->ptmsi = talloc_zero_size(pinfo, sizeof(uint32_t));
|
||||
*(pinfo->ptmsi) = ntohl(*(uint32_t *)
|
||||
TLVP_VAL(&tp, BSSGP_IE_TMSI));
|
||||
|
||||
return 0;
|
||||
|
||||
err_mand_ie:
|
||||
err_cond_ie:
|
||||
err:
|
||||
/* FIXME */
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,117 @@
|
|||
/* GPRS BSSGP protocol implementation as per 3GPP TS 08.18 */
|
||||
|
||||
/* (C) 2009-2012 by Harald Welte <laforge@gnumonks.org>
|
||||
*
|
||||
* All Rights Reserved
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as published by
|
||||
* the Free Software Foundation; either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <errno.h>
|
||||
#include <stdint.h>
|
||||
|
||||
#include <netinet/in.h>
|
||||
|
||||
#include <osmocom/core/msgb.h>
|
||||
#include <osmocom/gsm/tlv.h>
|
||||
#include <osmocom/core/talloc.h>
|
||||
#include <osmocom/gprs/gprs_bssgp.h>
|
||||
#include <osmocom/gprs/gprs_ns.h>
|
||||
|
||||
#include "common_vty.h"
|
||||
|
||||
struct gprs_ns_inst *bssgp_nsi;
|
||||
|
||||
/* BSSGP Protocol specific, not implementation specific */
|
||||
/* FIXME: This needs to go into libosmocore after finished */
|
||||
|
||||
/* Chapter 11.3.9 / Table 11.10: Cause coding */
|
||||
static const struct value_string bssgp_cause_strings[] = {
|
||||
{ BSSGP_CAUSE_PROC_OVERLOAD, "Processor overload" },
|
||||
{ BSSGP_CAUSE_EQUIP_FAIL, "Equipment Failure" },
|
||||
{ BSSGP_CAUSE_TRASIT_NET_FAIL, "Transit netowkr service failure" },
|
||||
{ BSSGP_CAUSE_CAPA_GREATER_0KPBS,"Transmission capacity modified" },
|
||||
{ BSSGP_CAUSE_UNKNOWN_MS, "Unknown MS" },
|
||||
{ BSSGP_CAUSE_UNKNOWN_BVCI, "Unknown BVCI" },
|
||||
{ BSSGP_CAUSE_CELL_TRAF_CONG, "Cell traffic congestion" },
|
||||
{ BSSGP_CAUSE_SGSN_CONG, "SGSN congestion" },
|
||||
{ BSSGP_CAUSE_OML_INTERV, "O&M intervention" },
|
||||
{ BSSGP_CAUSE_BVCI_BLOCKED, "BVCI blocked" },
|
||||
{ BSSGP_CAUSE_PFC_CREATE_FAIL, "PFC create failure" },
|
||||
{ BSSGP_CAUSE_SEM_INCORR_PDU, "Semantically incorrect PDU" },
|
||||
{ BSSGP_CAUSE_INV_MAND_INF, "Invalid mandatory information" },
|
||||
{ BSSGP_CAUSE_MISSING_MAND_IE, "Missing mandatory IE" },
|
||||
{ BSSGP_CAUSE_MISSING_COND_IE, "Missing conditional IE" },
|
||||
{ BSSGP_CAUSE_UNEXP_COND_IE, "Unexpected conditional IE" },
|
||||
{ BSSGP_CAUSE_COND_IE_ERR, "Conditional IE error" },
|
||||
{ BSSGP_CAUSE_PDU_INCOMP_STATE, "PDU incompatible with protocol state" },
|
||||
{ BSSGP_CAUSE_PROTO_ERR_UNSPEC, "Protocol error - unspecified" },
|
||||
{ BSSGP_CAUSE_PDU_INCOMP_FEAT, "PDU not compatible with feature set" },
|
||||
{ 0, NULL },
|
||||
};
|
||||
|
||||
const char *bssgp_cause_str(enum gprs_bssgp_cause cause)
|
||||
{
|
||||
return get_value_string(bssgp_cause_strings, cause);
|
||||
}
|
||||
|
||||
|
||||
struct msgb *bssgp_msgb_alloc(void)
|
||||
{
|
||||
return msgb_alloc_headroom(4096, 128, "BSSGP");
|
||||
}
|
||||
|
||||
/* 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)
|
||||
{
|
||||
struct msgb *msg = bssgp_msgb_alloc();
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph));
|
||||
uint16_t _bvci;
|
||||
|
||||
msgb_nsei(msg) = nsei;
|
||||
msgb_bvci(msg) = ns_bvci;
|
||||
|
||||
bgph->pdu_type = pdu_type;
|
||||
_bvci = htons(bvci);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_BVCI, 2, (uint8_t *) &_bvci);
|
||||
|
||||
return gprs_ns_sendmsg(bssgp_nsi, msg);
|
||||
}
|
||||
|
||||
/* Chapter 10.4.14: Status */
|
||||
int bssgp_tx_status(uint8_t cause, uint16_t *bvci, struct msgb *orig_msg)
|
||||
{
|
||||
struct msgb *msg = bssgp_msgb_alloc();
|
||||
struct bssgp_normal_hdr *bgph =
|
||||
(struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph));
|
||||
|
||||
LOGP(DBSSGP, LOGL_NOTICE, "BSSGP BVCI=%u Tx STATUS, cause=%s\n",
|
||||
bvci ? *bvci : 0, bssgp_cause_str(cause));
|
||||
msgb_nsei(msg) = msgb_nsei(orig_msg);
|
||||
msgb_bvci(msg) = 0;
|
||||
|
||||
bgph->pdu_type = BSSGP_PDUT_STATUS;
|
||||
msgb_tvlv_put(msg, BSSGP_IE_CAUSE, 1, &cause);
|
||||
if (bvci) {
|
||||
uint16_t _bvci = htons(*bvci);
|
||||
msgb_tvlv_put(msg, BSSGP_IE_BVCI, 2, (uint8_t *) &_bvci);
|
||||
}
|
||||
msgb_tvlv_put(msg, BSSGP_IE_PDU_IN_ERROR,
|
||||
msgb_bssgp_len(orig_msg), msgb_bssgph(orig_msg));
|
||||
|
||||
return gprs_ns_sendmsg(bssgp_nsi, msg);
|
||||
}
|
|
@ -0,0 +1,187 @@
|
|||
/* VTY interface for our GPRS BSS Gateway Protocol (BSSGP) implementation */
|
||||
|
||||
/* (C) 2010 by Harald Welte <laforge@gnumonks.org>
|
||||
*
|
||||
* All Rights Reserved
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as published by
|
||||
* the Free Software Foundation; either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
#include <stdint.h>
|
||||
|
||||
#include <arpa/inet.h>
|
||||
|
||||
#include <osmocom/core/msgb.h>
|
||||
#include <osmocom/gsm/tlv.h>
|
||||
#include <osmocom/core/talloc.h>
|
||||
#include <osmocom/core/select.h>
|
||||
#include <osmocom/core/rate_ctr.h>
|
||||
#include <osmocom/gprs/gprs_ns.h>
|
||||
#include <osmocom/gprs/gprs_bssgp.h>
|
||||
|
||||
#include <osmocom/vty/vty.h>
|
||||
#include <osmocom/vty/command.h>
|
||||
#include <osmocom/vty/logging.h>
|
||||
#include <osmocom/vty/telnet_interface.h>
|
||||
#include <osmocom/vty/misc.h>
|
||||
|
||||
#include "common_vty.h"
|
||||
|
||||
/* FIXME: this should go to some common file as it is copied
|
||||
* in vty_interface.c of the BSC */
|
||||
static const struct value_string gprs_bssgp_timer_strs[] = {
|
||||
{ 0, NULL }
|
||||
};
|
||||
|
||||
static void log_set_bvc_filter(struct log_target *target,
|
||||
struct bssgp_bvc_ctx *bctx)
|
||||
{
|
||||
if (bctx) {
|
||||
target->filter_map |= (1 << FLT_BVC);
|
||||
target->filter_data[FLT_BVC] = bctx;
|
||||
} else if (target->filter_data[FLT_NSVC]) {
|
||||
target->filter_map = ~(1 << FLT_BVC);
|
||||
target->filter_data[FLT_BVC] = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static struct cmd_node bssgp_node = {
|
||||
L_BSSGP_NODE,
|
||||
"%s(bssgp)#",
|
||||
1,
|
||||
};
|
||||
|
||||
static int config_write_bssgp(struct vty *vty)
|
||||
{
|
||||
vty_out(vty, "bssgp%s", VTY_NEWLINE);
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(cfg_bssgp, cfg_bssgp_cmd,
|
||||
"bssgp",
|
||||
"Configure the GPRS BSS Gateway Protocol")
|
||||
{
|
||||
vty->node = L_BSSGP_NODE;
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
static void dump_bvc(struct vty *vty, struct bssgp_bvc_ctx *bvc, int stats)
|
||||
{
|
||||
vty_out(vty, "NSEI %5u, BVCI %5u, RA-ID: %u-%u-%u-%u, CID: %u, "
|
||||
"STATE: %s%s", bvc->nsei, bvc->bvci, bvc->ra_id.mcc,
|
||||
bvc->ra_id.mnc, bvc->ra_id.lac, bvc->ra_id.rac, bvc->cell_id,
|
||||
bvc->state & BVC_S_BLOCKED ? "BLOCKED" : "UNBLOCKED",
|
||||
VTY_NEWLINE);
|
||||
if (stats)
|
||||
vty_out_rate_ctr_group(vty, " ", bvc->ctrg);
|
||||
}
|
||||
|
||||
static void dump_bssgp(struct vty *vty, int stats)
|
||||
{
|
||||
struct bssgp_bvc_ctx *bvc;
|
||||
|
||||
llist_for_each_entry(bvc, &bssgp_bvc_ctxts, list) {
|
||||
dump_bvc(vty, bvc, stats);
|
||||
}
|
||||
}
|
||||
|
||||
#define BSSGP_STR "Show information about the BSSGP protocol\n"
|
||||
|
||||
DEFUN(show_bssgp, show_bssgp_cmd, "show bssgp",
|
||||
SHOW_STR BSSGP_STR)
|
||||
{
|
||||
dump_bssgp(vty, 0);
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(show_bssgp_stats, show_bssgp_stats_cmd, "show bssgp stats",
|
||||
SHOW_STR BSSGP_STR
|
||||
"Include statistics\n")
|
||||
{
|
||||
dump_bssgp(vty, 1);
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(show_bvc, show_bvc_cmd, "show bssgp nsei <0-65535> [stats]",
|
||||
SHOW_STR BSSGP_STR
|
||||
"Show all BVCs on one NSE\n"
|
||||
"The NSEI\n" "Include Statistics\n")
|
||||
{
|
||||
struct bssgp_bvc_ctx *bvc;
|
||||
uint16_t nsei = atoi(argv[1]);
|
||||
int show_stats = 0;
|
||||
|
||||
if (argc >= 2)
|
||||
show_stats = 1;
|
||||
|
||||
llist_for_each_entry(bvc, &bssgp_bvc_ctxts, list) {
|
||||
if (bvc->nsei != nsei)
|
||||
continue;
|
||||
dump_bvc(vty, bvc, show_stats);
|
||||
}
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(logging_fltr_bvc,
|
||||
logging_fltr_bvc_cmd,
|
||||
"logging filter bvc nsei <0-65535> bvci <0-65535>",
|
||||
LOGGING_STR FILTER_STR
|
||||
"Filter based on BSSGP Virtual Connection\n"
|
||||
"NSEI of the BVC to be filtered\n"
|
||||
"Network Service Entity Identifier (NSEI)\n"
|
||||
"BVCI of the BVC to be filtered\n"
|
||||
"BSSGP Virtual Connection Identifier (BVCI)\n")
|
||||
{
|
||||
struct log_target *tgt = osmo_log_vty2tgt(vty);
|
||||
struct bssgp_bvc_ctx *bvc;
|
||||
uint16_t nsei = atoi(argv[0]);
|
||||
uint16_t bvci = atoi(argv[1]);
|
||||
|
||||
if (!tgt)
|
||||
return CMD_WARNING;
|
||||
|
||||
bvc = btsctx_by_bvci_nsei(bvci, nsei);
|
||||
if (!bvc) {
|
||||
vty_out(vty, "No BVC by that identifier%s", VTY_NEWLINE);
|
||||
return CMD_WARNING;
|
||||
}
|
||||
|
||||
log_set_bvc_filter(tgt, bvc);
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
int bssgp_vty_init(void)
|
||||
{
|
||||
install_element_ve(&show_bssgp_cmd);
|
||||
install_element_ve(&show_bssgp_stats_cmd);
|
||||
install_element_ve(&show_bvc_cmd);
|
||||
install_element_ve(&logging_fltr_bvc_cmd);
|
||||
|
||||
install_element(CFG_LOG_NODE, &logging_fltr_bvc_cmd);
|
||||
|
||||
install_element(CONFIG_NODE, &cfg_bssgp_cmd);
|
||||
install_node(&bssgp_node, config_write_bssgp);
|
||||
install_default(L_BSSGP_NODE);
|
||||
install_element(L_BSSGP_NODE, &libgb_exit_cmd);
|
||||
install_element(L_BSSGP_NODE, &libgb_end_cmd);
|
||||
//install_element(L_BSSGP_NODE, &cfg_bssgp_timer_cmd);
|
||||
|
||||
return 0;
|
||||
}
|
File diff suppressed because it is too large
Load Diff
|
@ -0,0 +1,310 @@
|
|||
/* 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) */
|
||||
|
||||
/* NS-over-FR-over-GRE implementation */
|
||||
|
||||
/* (C) 2009-2010 by Harald Welte <laforge@gnumonks.org>
|
||||
*
|
||||
* All Rights Reserved
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as published by
|
||||
* the Free Software Foundation; either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <errno.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include <sys/socket.h>
|
||||
#include <netinet/in.h>
|
||||
#include <netinet/ip.h>
|
||||
#include <arpa/inet.h>
|
||||
|
||||
#include <osmocom/core/select.h>
|
||||
#include <osmocom/core/msgb.h>
|
||||
#include <osmocom/core/talloc.h>
|
||||
#include <osmocom/core/socket.h>
|
||||
#include <osmocom/gprs/gprs_ns.h>
|
||||
|
||||
#include "common_vty.h"
|
||||
|
||||
#define GRE_PTYPE_FR 0x6559
|
||||
#define GRE_PTYPE_IPv4 0x0800
|
||||
#define GRE_PTYPE_KAR 0x0000 /* keepalive response */
|
||||
|
||||
struct gre_hdr {
|
||||
uint16_t flags;
|
||||
uint16_t ptype;
|
||||
} __attribute__ ((packed));
|
||||
|
||||
/* IPv4 messages inside the GRE tunnel might be GRE keepalives */
|
||||
static int handle_rx_gre_ipv4(struct osmo_fd *bfd, struct msgb *msg,
|
||||
struct iphdr *iph, struct gre_hdr *greh)
|
||||
{
|
||||
struct gprs_ns_inst *nsi = bfd->data;
|
||||
int gre_payload_len;
|
||||
struct iphdr *inner_iph;
|
||||
struct gre_hdr *inner_greh;
|
||||
struct sockaddr_in daddr;
|
||||
struct in_addr ia;
|
||||
|
||||
gre_payload_len = msg->len - (iph->ihl*4 + sizeof(*greh));
|
||||
|
||||
inner_iph = (struct iphdr *) ((uint8_t *)greh + sizeof(*greh));
|
||||
|
||||
if (gre_payload_len < inner_iph->ihl*4 + sizeof(*inner_greh)) {
|
||||
LOGP(DNS, LOGL_ERROR, "GRE keepalive too short\n");
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
if (inner_iph->saddr != iph->daddr ||
|
||||
inner_iph->daddr != iph->saddr) {
|
||||
LOGP(DNS, LOGL_ERROR,
|
||||
"GRE keepalive with wrong tunnel addresses\n");
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
if (inner_iph->protocol != IPPROTO_GRE) {
|
||||
LOGP(DNS, LOGL_ERROR, "GRE keepalive with wrong protocol\n");
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
inner_greh = (struct gre_hdr *) ((uint8_t *)inner_iph + iph->ihl*4);
|
||||
if (inner_greh->ptype != htons(GRE_PTYPE_KAR)) {
|
||||
LOGP(DNS, LOGL_ERROR, "GRE keepalive inner GRE type != 0\n");
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* Actually send the response back */
|
||||
|
||||
daddr.sin_family = AF_INET;
|
||||
daddr.sin_addr.s_addr = inner_iph->daddr;
|
||||
daddr.sin_port = IPPROTO_GRE;
|
||||
|
||||
ia.s_addr = iph->saddr;
|
||||
LOGP(DNS, LOGL_DEBUG, "GRE keepalive from %s, responding\n",
|
||||
inet_ntoa(ia));
|
||||
|
||||
return sendto(nsi->frgre.fd.fd, inner_greh,
|
||||
gre_payload_len - inner_iph->ihl*4, 0,
|
||||
(struct sockaddr *)&daddr, sizeof(daddr));
|
||||
}
|
||||
|
||||
static struct msgb *read_nsfrgre_msg(struct osmo_fd *bfd, int *error,
|
||||
struct sockaddr_in *saddr)
|
||||
{
|
||||
struct msgb *msg = msgb_alloc(NS_ALLOC_SIZE, "Gb/NS/FR/GRE Rx");
|
||||
int ret = 0;
|
||||
socklen_t saddr_len = sizeof(*saddr);
|
||||
struct iphdr *iph;
|
||||
struct gre_hdr *greh;
|
||||
uint8_t *frh;
|
||||
uint16_t dlci;
|
||||
|
||||
if (!msg) {
|
||||
*error = -ENOMEM;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
ret = recvfrom(bfd->fd, msg->data, NS_ALLOC_SIZE, 0,
|
||||
(struct sockaddr *)saddr, &saddr_len);
|
||||
if (ret < 0) {
|
||||
LOGP(DNS, LOGL_ERROR, "recv error %s during NS-FR-GRE recv\n",
|
||||
strerror(errno));
|
||||
*error = ret;
|
||||
goto out_err;
|
||||
} else if (ret == 0) {
|
||||
*error = ret;
|
||||
goto out_err;
|
||||
}
|
||||
|
||||
msgb_put(msg, ret);
|
||||
|
||||
if (msg->len < sizeof(*iph) + sizeof(*greh) + 2) {
|
||||
LOGP(DNS, LOGL_ERROR, "Short IP packet: %u bytes\n", msg->len);
|
||||
*error = -EIO;
|
||||
goto out_err;
|
||||
}
|
||||
|
||||
iph = (struct iphdr *) msg->data;
|
||||
if (msg->len < (iph->ihl*4 + sizeof(*greh) + 2)) {
|
||||
LOGP(DNS, LOGL_ERROR, "Short IP packet: %u bytes\n", msg->len);
|
||||
*error = -EIO;
|
||||
goto out_err;
|
||||
}
|
||||
|
||||
greh = (struct gre_hdr *) (msg->data + iph->ihl*4);
|
||||
if (greh->flags) {
|
||||
LOGP(DNS, LOGL_NOTICE, "Unknown GRE flags 0x%04x\n",
|
||||
ntohs(greh->flags));
|
||||
}
|
||||
|
||||
switch (ntohs(greh->ptype)) {
|
||||
case GRE_PTYPE_IPv4:
|
||||
/* IPv4 messages might be GRE keepalives */
|
||||
*error = handle_rx_gre_ipv4(bfd, msg, iph, greh);
|
||||
goto out_err;
|
||||
break;
|
||||
case GRE_PTYPE_FR:
|
||||
/* continue as usual */
|
||||
break;
|
||||
default:
|
||||
LOGP(DNS, LOGL_NOTICE, "Unknown GRE protocol 0x%04x != FR\n",
|
||||
ntohs(greh->ptype));
|
||||
*error = -EIO;
|
||||
goto out_err;
|
||||
break;
|
||||
}
|
||||
|
||||
if (msg->len < sizeof(*greh) + 2) {
|
||||
LOGP(DNS, LOGL_ERROR, "Short FR header: %u bytes\n", msg->len);
|
||||
*error = -EIO;
|
||||
goto out_err;
|
||||
}
|
||||
|
||||
frh = (uint8_t *)greh + sizeof(*greh);
|
||||
if (frh[0] & 0x01) {
|
||||
LOGP(DNS, LOGL_NOTICE, "Unsupported single-byte FR address\n");
|
||||
*error = -EIO;
|
||||
goto out_err;
|
||||
}
|
||||
dlci = ((frh[0] & 0xfc) << 2);
|
||||
if ((frh[1] & 0x0f) != 0x01) {
|
||||
LOGP(DNS, LOGL_NOTICE, "Unknown second FR octet 0x%02x\n",
|
||||
frh[1]);
|
||||
*error = -EIO;
|
||||
goto out_err;
|
||||
}
|
||||
dlci |= (frh[1] >> 4);
|
||||
|
||||
msg->l2h = frh+2;
|
||||
|
||||
/* Store DLCI in NETWORK BYTEORDER in sockaddr port member */
|
||||
saddr->sin_port = htons(dlci);
|
||||
|
||||
return msg;
|
||||
|
||||
out_err:
|
||||
msgb_free(msg);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg,
|
||||
struct sockaddr_in *saddr, enum gprs_ns_ll ll);
|
||||
|
||||
static int handle_nsfrgre_read(struct osmo_fd *bfd)
|
||||
{
|
||||
int rc;
|
||||
struct sockaddr_in saddr;
|
||||
struct gprs_ns_inst *nsi = bfd->data;
|
||||
struct msgb *msg;
|
||||
uint16_t dlci;
|
||||
|
||||
msg = read_nsfrgre_msg(bfd, &rc, &saddr);
|
||||
if (!msg)
|
||||
return rc;
|
||||
|
||||
dlci = ntohs(saddr.sin_port);
|
||||
if (dlci == 0 || dlci == 1023) {
|
||||
LOGP(DNS, LOGL_INFO, "Received FR on LMI DLCI %u - ignoring\n",
|
||||
dlci);
|
||||
rc = 0;
|
||||
goto out;
|
||||
}
|
||||
|
||||
rc = gprs_ns_rcvmsg(nsi, msg, &saddr, GPRS_NS_LL_FR_GRE);
|
||||
out:
|
||||
msgb_free(msg);
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
static int handle_nsfrgre_write(struct osmo_fd *bfd)
|
||||
{
|
||||
/* FIXME: actually send the data here instead of nsip_sendmsg() */
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
int gprs_ns_frgre_sendmsg(struct gprs_nsvc *nsvc, struct msgb *msg)
|
||||
{
|
||||
int rc;
|
||||
struct gprs_ns_inst *nsi = nsvc->nsi;
|
||||
struct sockaddr_in daddr;
|
||||
uint16_t dlci = ntohs(nsvc->frgre.bts_addr.sin_port);
|
||||
uint8_t *frh;
|
||||
struct gre_hdr *greh;
|
||||
|
||||
/* Build socket address for the packet destionation */
|
||||
daddr.sin_family = AF_INET;
|
||||
daddr.sin_addr = nsvc->frgre.bts_addr.sin_addr;
|
||||
daddr.sin_port = IPPROTO_GRE;
|
||||
|
||||
/* Prepend the FR header */
|
||||
frh = msgb_push(msg, 2);
|
||||
frh[0] = (dlci >> 2) & 0xfc;
|
||||
frh[1] = ((dlci & 0xf)<<4) | 0x01;
|
||||
|
||||
/* Prepend the GRE header */
|
||||
greh = (struct gre_hdr *) msgb_push(msg, sizeof(*greh));
|
||||
greh->flags = 0;
|
||||
greh->ptype = htons(GRE_PTYPE_FR);
|
||||
|
||||
rc = sendto(nsi->frgre.fd.fd, msg->data, msg->len, 0,
|
||||
(struct sockaddr *)&daddr, sizeof(daddr));
|
||||
|
||||
msgb_free(msg);
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
static int nsfrgre_fd_cb(struct osmo_fd *bfd, unsigned int what)
|
||||
{
|
||||
int rc = 0;
|
||||
|
||||
if (what & BSC_FD_READ)
|
||||
rc = handle_nsfrgre_read(bfd);
|
||||
if (what & BSC_FD_WRITE)
|
||||
rc = handle_nsfrgre_write(bfd);
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
int gprs_ns_frgre_listen(struct gprs_ns_inst *nsi)
|
||||
{
|
||||
struct in_addr in;
|
||||
int rc;
|
||||
|
||||
in.s_addr = htonl(nsi->frgre.local_ip);
|
||||
|
||||
/* Make sure we close any existing socket before changing it */
|
||||
if (nsi->frgre.fd.fd)
|
||||
close(nsi->frgre.fd.fd);
|
||||
|
||||
if (!nsi->frgre.enabled)
|
||||
return 0;
|
||||
|
||||
nsi->frgre.fd.cb = nsfrgre_fd_cb;
|
||||
nsi->frgre.fd.data = nsi;
|
||||
rc = osmo_sock_init_ofd(&nsi->frgre.fd, AF_INET, SOCK_RAW,
|
||||
IPPROTO_GRE, inet_ntoa(in), 0,
|
||||
OSMO_SOCK_F_BIND);
|
||||
if (rc < 0) {
|
||||
LOGP(DNS, LOGL_ERROR, "Error creating GRE socket (%s)\n",
|
||||
strerror(errno));
|
||||
return rc;
|
||||
}
|
||||
nsi->frgre.fd.data = nsi;
|
||||
|
||||
return rc;
|
||||
}
|
|
@ -0,0 +1,581 @@
|
|||
/* VTY interface for our GPRS Networks Service (NS) implementation */
|
||||
|
||||
/* (C) 2009-2010 by Harald Welte <laforge@gnumonks.org>
|
||||
*
|
||||
* All Rights Reserved
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as published by
|
||||
* the Free Software Foundation; either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
#include <stdint.h>
|
||||
|
||||
#include <arpa/inet.h>
|
||||
|
||||
#include <osmocom/core/msgb.h>
|
||||
#include <osmocom/gsm/tlv.h>
|
||||
#include <osmocom/core/talloc.h>
|
||||
#include <osmocom/core/select.h>
|
||||
#include <osmocom/core/rate_ctr.h>
|
||||
#include <osmocom/gprs/gprs_ns.h>
|
||||
#include <osmocom/gprs/gprs_bssgp.h>
|
||||
|
||||
#include <osmocom/vty/vty.h>
|
||||
#include <osmocom/vty/command.h>
|
||||
#include <osmocom/vty/logging.h>
|
||||
#include <osmocom/vty/telnet_interface.h>
|
||||
#include <osmocom/vty/misc.h>
|
||||
|
||||
#include "common_vty.h"
|
||||
|
||||
static struct gprs_ns_inst *vty_nsi = NULL;
|
||||
|
||||
/* FIXME: this should go to some common file as it is copied
|
||||
* in vty_interface.c of the BSC */
|
||||
static const struct value_string gprs_ns_timer_strs[] = {
|
||||
{ 0, "tns-block" },
|
||||
{ 1, "tns-block-retries" },
|
||||
{ 2, "tns-reset" },
|
||||
{ 3, "tns-reset-retries" },
|
||||
{ 4, "tns-test" },
|
||||
{ 5, "tns-alive" },
|
||||
{ 6, "tns-alive-retries" },
|
||||
{ 0, NULL }
|
||||
};
|
||||
|
||||
static void log_set_nsvc_filter(struct log_target *target,
|
||||
struct gprs_nsvc *nsvc)
|
||||
{
|
||||
if (nsvc) {
|
||||
target->filter_map |= (1 << FLT_NSVC);
|
||||
target->filter_data[FLT_NSVC] = nsvc;
|
||||
} else if (target->filter_data[FLT_NSVC]) {
|
||||
target->filter_map = ~(1 << FLT_NSVC);
|
||||
target->filter_data[FLT_NSVC] = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static struct cmd_node ns_node = {
|
||||
L_NS_NODE,
|
||||
"%s(ns)#",
|
||||
1,
|
||||
};
|
||||
|
||||
static int config_write_ns(struct vty *vty)
|
||||
{
|
||||
struct gprs_nsvc *nsvc;
|
||||
unsigned int i;
|
||||
struct in_addr ia;
|
||||
|
||||
vty_out(vty, "ns%s", VTY_NEWLINE);
|
||||
|
||||
llist_for_each_entry(nsvc, &vty_nsi->gprs_nsvcs, list) {
|
||||
if (!nsvc->persistent)
|
||||
continue;
|
||||
vty_out(vty, " nse %u nsvci %u%s",
|
||||
nsvc->nsei, nsvc->nsvci, VTY_NEWLINE);
|
||||
vty_out(vty, " nse %u remote-role %s%s",
|
||||
nsvc->nsei, nsvc->remote_end_is_sgsn ? "sgsn" : "bss",
|
||||
VTY_NEWLINE);
|
||||
switch (nsvc->ll) {
|
||||
case GPRS_NS_LL_UDP:
|
||||
vty_out(vty, " nse %u encapsulation udp%s", nsvc->nsei,
|
||||
VTY_NEWLINE);
|
||||
vty_out(vty, " nse %u remote-ip %s%s",
|
||||
nsvc->nsei,
|
||||
inet_ntoa(nsvc->ip.bts_addr.sin_addr),
|
||||
VTY_NEWLINE);
|
||||
vty_out(vty, " nse %u remote-port %u%s",
|
||||
nsvc->nsei, ntohs(nsvc->ip.bts_addr.sin_port),
|
||||
VTY_NEWLINE);
|
||||
break;
|
||||
case GPRS_NS_LL_FR_GRE:
|
||||
vty_out(vty, " nse %u encapsulation framerelay-gre%s",
|
||||
nsvc->nsei, VTY_NEWLINE);
|
||||
vty_out(vty, " nse %u remote-ip %s%s",
|
||||
nsvc->nsei,
|
||||
inet_ntoa(nsvc->frgre.bts_addr.sin_addr),
|
||||
VTY_NEWLINE);
|
||||
vty_out(vty, " nse %u fr-dlci %u%s",
|
||||
nsvc->nsei, ntohs(nsvc->frgre.bts_addr.sin_port),
|
||||
VTY_NEWLINE);
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(vty_nsi->timeout); i++)
|
||||
vty_out(vty, " timer %s %u%s",
|
||||
get_value_string(gprs_ns_timer_strs, i),
|
||||
vty_nsi->timeout[i], VTY_NEWLINE);
|
||||
|
||||
if (vty_nsi->nsip.local_ip) {
|
||||
ia.s_addr = htonl(vty_nsi->nsip.local_ip);
|
||||
vty_out(vty, " encapsulation udp local-ip %s%s",
|
||||
inet_ntoa(ia), VTY_NEWLINE);
|
||||
}
|
||||
if (vty_nsi->nsip.local_port)
|
||||
vty_out(vty, " encapsulation udp local-port %u%s",
|
||||
vty_nsi->nsip.local_port, VTY_NEWLINE);
|
||||
|
||||
vty_out(vty, " encapsulation framerelay-gre enabled %u%s",
|
||||
vty_nsi->frgre.enabled ? 1 : 0, VTY_NEWLINE);
|
||||
if (vty_nsi->frgre.local_ip) {
|
||||
ia.s_addr = htonl(vty_nsi->frgre.local_ip);
|
||||
vty_out(vty, " encapsulation framerelay-gre local-ip %s%s",
|
||||
inet_ntoa(ia), VTY_NEWLINE);
|
||||
}
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(cfg_ns, cfg_ns_cmd,
|
||||
"ns",
|
||||
"Configure the GPRS Network Service")
|
||||
{
|
||||
vty->node = L_NS_NODE;
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
static void dump_nse(struct vty *vty, struct gprs_nsvc *nsvc, int stats)
|
||||
{
|
||||
vty_out(vty, "NSEI %5u, NS-VC %5u, Remote: %-4s, %5s %9s",
|
||||
nsvc->nsei, nsvc->nsvci,
|
||||
nsvc->remote_end_is_sgsn ? "SGSN" : "BSS",
|
||||
nsvc->state & NSE_S_ALIVE ? "ALIVE" : "DEAD",
|
||||
nsvc->state & NSE_S_BLOCKED ? "BLOCKED" : "UNBLOCKED");
|
||||
if (nsvc->ll == GPRS_NS_LL_UDP || nsvc->ll == GPRS_NS_LL_FR_GRE)
|
||||
vty_out(vty, ", %s %15s:%u",
|
||||
nsvc->ll == GPRS_NS_LL_UDP ? "UDP " : "FR-GRE",
|
||||
inet_ntoa(nsvc->ip.bts_addr.sin_addr),
|
||||
ntohs(nsvc->ip.bts_addr.sin_port));
|
||||
vty_out(vty, "%s", VTY_NEWLINE);
|
||||
if (stats)
|
||||
vty_out_rate_ctr_group(vty, " ", nsvc->ctrg);
|
||||
}
|
||||
|
||||
static void dump_ns(struct vty *vty, struct gprs_ns_inst *nsi, int stats)
|
||||
{
|
||||
struct gprs_nsvc *nsvc;
|
||||
struct in_addr ia;
|
||||
|
||||
ia.s_addr = htonl(vty_nsi->nsip.local_ip);
|
||||
vty_out(vty, "Encapsulation NS-UDP-IP Local IP: %s, UDP Port: %u%s",
|
||||
inet_ntoa(ia), vty_nsi->nsip.local_port, VTY_NEWLINE);
|
||||
|
||||
ia.s_addr = htonl(vty_nsi->frgre.local_ip);
|
||||
vty_out(vty, "Encapsulation NS-FR-GRE-IP Local IP: %s%s",
|
||||
inet_ntoa(ia), VTY_NEWLINE);
|
||||
|
||||
llist_for_each_entry(nsvc, &nsi->gprs_nsvcs, list) {
|
||||
if (nsvc == nsi->unknown_nsvc)
|
||||
continue;
|
||||
dump_nse(vty, nsvc, stats);
|
||||
}
|
||||
}
|
||||
|
||||
DEFUN(show_ns, show_ns_cmd, "show ns",
|
||||
SHOW_STR "Display information about the NS protocol")
|
||||
{
|
||||
struct gprs_ns_inst *nsi = vty_nsi;
|
||||
dump_ns(vty, nsi, 0);
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(show_ns_stats, show_ns_stats_cmd, "show ns stats",
|
||||
SHOW_STR
|
||||
"Display information about the NS protocol\n"
|
||||
"Include statistics\n")
|
||||
{
|
||||
struct gprs_ns_inst *nsi = vty_nsi;
|
||||
dump_ns(vty, nsi, 1);
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(show_nse, show_nse_cmd, "show ns (nsei|nsvc) <0-65535> [stats]",
|
||||
SHOW_STR "Display information about the NS protocol\n"
|
||||
"Select one NSE by its NSE Identifier\n"
|
||||
"Select one NSE by its NS-VC Identifier\n"
|
||||
"The Identifier of selected type\n"
|
||||
"Include Statistics\n")
|
||||
{
|
||||
struct gprs_ns_inst *nsi = vty_nsi;
|
||||
struct gprs_nsvc *nsvc;
|
||||
uint16_t id = atoi(argv[1]);
|
||||
int show_stats = 0;
|
||||
|
||||
if (!strcmp(argv[0], "nsei"))
|
||||
nsvc = gprs_nsvc_by_nsei(nsi, id);
|
||||
else
|
||||
nsvc = gprs_nsvc_by_nsvci(nsi, id);
|
||||
|
||||
if (!nsvc) {
|
||||
vty_out(vty, "No such NS Entity%s", VTY_NEWLINE);
|
||||
return CMD_WARNING;
|
||||
}
|
||||
|
||||
if (argc >= 3)
|
||||
show_stats = 1;
|
||||
|
||||
dump_nse(vty, nsvc, show_stats);
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
#define NSE_CMD_STR "Persistent NS Entity\n" "NS Entity ID (NSEI)\n"
|
||||
|
||||
DEFUN(cfg_nse_nsvc, cfg_nse_nsvci_cmd,
|
||||
"nse <0-65535> nsvci <0-65534>",
|
||||
NSE_CMD_STR
|
||||
"NS Virtual Connection\n"
|
||||
"NS Virtual Connection ID (NSVCI)\n"
|
||||
)
|
||||
{
|
||||
uint16_t nsei = atoi(argv[0]);
|
||||
uint16_t nsvci = atoi(argv[1]);
|
||||
struct gprs_nsvc *nsvc;
|
||||
|
||||
nsvc = gprs_nsvc_by_nsei(vty_nsi, nsei);
|
||||
if (!nsvc) {
|
||||
nsvc = gprs_nsvc_create(vty_nsi, nsvci);
|
||||
nsvc->nsei = nsei;
|
||||
}
|
||||
nsvc->nsvci = nsvci;
|
||||
/* All NSVCs that are explicitly configured by VTY are
|
||||
* marked as persistent so we can write them to the config
|
||||
* file at some later point */
|
||||
nsvc->persistent = 1;
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(cfg_nse_remoteip, cfg_nse_remoteip_cmd,
|
||||
"nse <0-65535> remote-ip A.B.C.D",
|
||||
NSE_CMD_STR
|
||||
"Remote IP Address\n"
|
||||
"Remote IP Address\n")
|
||||
{
|
||||
uint16_t nsei = atoi(argv[0]);
|
||||
struct gprs_nsvc *nsvc;
|
||||
|
||||
nsvc = gprs_nsvc_by_nsei(vty_nsi, nsei);
|
||||
if (!nsvc) {
|
||||
vty_out(vty, "No such NSE (%u)%s", nsei, VTY_NEWLINE);
|
||||
return CMD_WARNING;
|
||||
}
|
||||
inet_aton(argv[1], &nsvc->ip.bts_addr.sin_addr);
|
||||
|
||||
return CMD_SUCCESS;
|
||||
|
||||
}
|
||||
|
||||
DEFUN(cfg_nse_remoteport, cfg_nse_remoteport_cmd,
|
||||
"nse <0-65535> remote-port <0-65535>",
|
||||
NSE_CMD_STR
|
||||
"Remote UDP Port\n"
|
||||
"Remote UDP Port Number\n")
|
||||
{
|
||||
uint16_t nsei = atoi(argv[0]);
|
||||
uint16_t port = atoi(argv[1]);
|
||||
struct gprs_nsvc *nsvc;
|
||||
|
||||
nsvc = gprs_nsvc_by_nsei(vty_nsi, nsei);
|
||||
if (!nsvc) {
|
||||
vty_out(vty, "No such NSE (%u)%s", nsei, VTY_NEWLINE);
|
||||
return CMD_WARNING;
|
||||
}
|
||||
|
||||
if (nsvc->ll != GPRS_NS_LL_UDP) {
|
||||
vty_out(vty, "Cannot set UDP Port on non-UDP NSE%s",
|
||||
VTY_NEWLINE);
|
||||
return CMD_WARNING;
|
||||
}
|
||||
|
||||
nsvc->ip.bts_addr.sin_port = htons(port);
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(cfg_nse_fr_dlci, cfg_nse_fr_dlci_cmd,
|
||||
"nse <0-65535> fr-dlci <16-1007>",
|
||||
NSE_CMD_STR
|
||||
"Frame Relay DLCI\n"
|
||||
"Frame Relay DLCI Number\n")
|
||||
{
|
||||
uint16_t nsei = atoi(argv[0]);
|
||||
uint16_t dlci = atoi(argv[1]);
|
||||
struct gprs_nsvc *nsvc;
|
||||
|
||||
nsvc = gprs_nsvc_by_nsei(vty_nsi, nsei);
|
||||
if (!nsvc) {
|
||||
vty_out(vty, "No such NSE (%u)%s", nsei, VTY_NEWLINE);
|
||||
return CMD_WARNING;
|
||||
}
|
||||
|
||||
if (nsvc->ll != GPRS_NS_LL_FR_GRE) {
|
||||
vty_out(vty, "Cannot set FR DLCI on non-FR NSE%s",
|
||||
VTY_NEWLINE);
|
||||
return CMD_WARNING;
|
||||
}
|
||||
|
||||
nsvc->frgre.bts_addr.sin_port = htons(dlci);
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(cfg_nse_encaps, cfg_nse_encaps_cmd,
|
||||
"nse <0-65535> encapsulation (udp|framerelay-gre)",
|
||||
NSE_CMD_STR
|
||||
"Encapsulation for NS\n"
|
||||
"UDP/IP Encapsulation\n" "Frame-Relay/GRE/IP Encapsulation\n")
|
||||
{
|
||||
uint16_t nsei = atoi(argv[0]);
|
||||
struct gprs_nsvc *nsvc;
|
||||
|
||||
nsvc = gprs_nsvc_by_nsei(vty_nsi, nsei);
|
||||
if (!nsvc) {
|
||||
vty_out(vty, "No such NSE (%u)%s", nsei, VTY_NEWLINE);
|
||||
return CMD_WARNING;
|
||||
}
|
||||
|
||||
if (!strcmp(argv[1], "udp"))
|
||||
nsvc->ll = GPRS_NS_LL_UDP;
|
||||
else
|
||||
nsvc->ll = GPRS_NS_LL_FR_GRE;
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
DEFUN(cfg_nse_remoterole, cfg_nse_remoterole_cmd,
|
||||
"nse <0-65535> remote-role (sgsn|bss)",
|
||||
NSE_CMD_STR
|
||||
"Remote NSE Role\n"
|
||||
"Remote Peer is SGSN\n"
|
||||
"Remote Peer is BSS\n")
|
||||
{
|
||||
uint16_t nsei = atoi(argv[0]);
|
||||
struct gprs_nsvc *nsvc;
|
||||
|
||||
nsvc = gprs_nsvc_by_nsei(vty_nsi, nsei);
|
||||
if (!nsvc) {
|
||||
vty_out(vty, "No such NSE (%u)%s", nsei, VTY_NEWLINE);
|
||||
return CMD_WARNING;
|
||||
}
|
||||
|
||||
if (!strcmp(argv[1], "sgsn"))
|
||||
nsvc->remote_end_is_sgsn = 1;
|
||||
else
|
||||
nsvc->remote_end_is_sgsn = 0;
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(cfg_no_nse, cfg_no_nse_cmd,
|
||||
"no nse <0-65535>",
|
||||
"Delete Persistent NS Entity\n"
|
||||
"Delete " NSE_CMD_STR)
|
||||
{
|
||||
uint16_t nsei = atoi(argv[0]);
|
||||
struct gprs_nsvc *nsvc;
|
||||
|
||||
nsvc = gprs_nsvc_by_nsei(vty_nsi, nsei);
|
||||
if (!nsvc) {
|
||||
vty_out(vty, "No such NSE (%u)%s", nsei, VTY_NEWLINE);
|
||||
return CMD_WARNING;
|
||||
}
|
||||
|
||||
if (!nsvc->persistent) {
|
||||
vty_out(vty, "NSEI %u is not a persistent NSE%s",
|
||||
nsei, VTY_NEWLINE);
|
||||
return CMD_WARNING;
|
||||
}
|
||||
|
||||
nsvc->persistent = 0;
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(cfg_ns_timer, cfg_ns_timer_cmd,
|
||||
"timer " NS_TIMERS " <0-65535>",
|
||||
"Network Service Timer\n"
|
||||
NS_TIMERS_HELP "Timer Value\n")
|
||||
{
|
||||
int idx = get_string_value(gprs_ns_timer_strs, argv[0]);
|
||||
int val = atoi(argv[1]);
|
||||
|
||||
if (idx < 0 || idx >= ARRAY_SIZE(vty_nsi->timeout))
|
||||
return CMD_WARNING;
|
||||
|
||||
vty_nsi->timeout[idx] = val;
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
#define ENCAPS_STR "NS encapsulation options\n"
|
||||
|
||||
DEFUN(cfg_nsip_local_ip, cfg_nsip_local_ip_cmd,
|
||||
"encapsulation udp local-ip A.B.C.D",
|
||||
ENCAPS_STR "NS over UDP Encapsulation\n"
|
||||
"Set the IP address on which we listen for NS/UDP\n"
|
||||
"IP Address\n")
|
||||
{
|
||||
struct in_addr ia;
|
||||
|
||||
inet_aton(argv[0], &ia);
|
||||
vty_nsi->nsip.local_ip = ntohl(ia.s_addr);
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(cfg_nsip_local_port, cfg_nsip_local_port_cmd,
|
||||
"encapsulation udp local-port <0-65535>",
|
||||
ENCAPS_STR "NS over UDP Encapsulation\n"
|
||||
"Set the UDP port on which we listen for NS/UDP\n"
|
||||
"UDP port number\n")
|
||||
{
|
||||
unsigned int port = atoi(argv[0]);
|
||||
|
||||
vty_nsi->nsip.local_port = port;
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(cfg_frgre_local_ip, cfg_frgre_local_ip_cmd,
|
||||
"encapsulation framerelay-gre local-ip A.B.C.D",
|
||||
ENCAPS_STR "NS over Frame Relay over GRE Encapsulation\n"
|
||||
"Set the IP address on which we listen for NS/FR/GRE\n"
|
||||
"IP Address\n")
|
||||
{
|
||||
struct in_addr ia;
|
||||
|
||||
if (!vty_nsi->frgre.enabled) {
|
||||
vty_out(vty, "FR/GRE is not enabled%s", VTY_NEWLINE);
|
||||
return CMD_WARNING;
|
||||
}
|
||||
inet_aton(argv[0], &ia);
|
||||
vty_nsi->frgre.local_ip = ntohl(ia.s_addr);
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(cfg_frgre_enable, cfg_frgre_enable_cmd,
|
||||
"encapsulation framerelay-gre enabled (1|0)",
|
||||
ENCAPS_STR "NS over Frame Relay over GRE Encapsulation\n"
|
||||
"Enable or disable Frame Relay over GRE\n"
|
||||
"Enable\n" "Disable\n")
|
||||
{
|
||||
int enabled = atoi(argv[0]);
|
||||
|
||||
vty_nsi->frgre.enabled = enabled;
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(nsvc_nsei, nsvc_nsei_cmd,
|
||||
"nsvc nsei <0-65535> (block|unblock|reset)",
|
||||
"Perform an operation on a NSVC\n"
|
||||
"NSEI to identify NS-VC Identifier (NS-VCI)\n"
|
||||
"The NSEI\n"
|
||||
"Initiate BLOCK procedure\n"
|
||||
"Initiate UNBLOCK procedure\n"
|
||||
"Initiate RESET procedure\n")
|
||||
{
|
||||
uint16_t nsvci = atoi(argv[0]);
|
||||
const char *operation = argv[1];
|
||||
struct gprs_nsvc *nsvc;
|
||||
|
||||
nsvc = gprs_nsvc_by_nsei(vty_nsi, nsvci);
|
||||
if (!nsvc) {
|
||||
vty_out(vty, "No such NSVCI (%u)%s", nsvci, VTY_NEWLINE);
|
||||
return CMD_WARNING;
|
||||
}
|
||||
|
||||
if (!strcmp(operation, "block"))
|
||||
gprs_ns_tx_block(nsvc, NS_CAUSE_OM_INTERVENTION);
|
||||
else if (!strcmp(operation, "unblock"))
|
||||
gprs_ns_tx_unblock(nsvc);
|
||||
else if (!strcmp(operation, "reset"))
|
||||
gprs_nsvc_reset(nsvc, NS_CAUSE_OM_INTERVENTION);
|
||||
else
|
||||
return CMD_WARNING;
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(logging_fltr_nsvc,
|
||||
logging_fltr_nsvc_cmd,
|
||||
"logging filter nsvc (nsei|nsvci) <0-65535>",
|
||||
LOGGING_STR FILTER_STR
|
||||
"Filter based on NS Virtual Connection\n"
|
||||
"Identify NS-VC by NSEI\n"
|
||||
"Identify NS-VC by NSVCI\n"
|
||||
"Numeric identifier\n")
|
||||
{
|
||||
struct log_target *tgt = osmo_log_vty2tgt(vty);
|
||||
struct gprs_nsvc *nsvc;
|
||||
uint16_t id = atoi(argv[1]);
|
||||
|
||||
if (!tgt)
|
||||
return CMD_WARNING;
|
||||
|
||||
if (!strcmp(argv[0], "nsei"))
|
||||
nsvc = gprs_nsvc_by_nsei(vty_nsi, id);
|
||||
else
|
||||
nsvc = gprs_nsvc_by_nsvci(vty_nsi, id);
|
||||
|
||||
if (!nsvc) {
|
||||
vty_out(vty, "No NS-VC by that identifier%s", VTY_NEWLINE);
|
||||
return CMD_WARNING;
|
||||
}
|
||||
|
||||
log_set_nsvc_filter(tgt, nsvc);
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
int gprs_ns_vty_init(struct gprs_ns_inst *nsi)
|
||||
{
|
||||
vty_nsi = nsi;
|
||||
|
||||
install_element_ve(&show_ns_cmd);
|
||||
install_element_ve(&show_ns_stats_cmd);
|
||||
install_element_ve(&show_nse_cmd);
|
||||
install_element_ve(&logging_fltr_nsvc_cmd);
|
||||
|
||||
install_element(CFG_LOG_NODE, &logging_fltr_nsvc_cmd);
|
||||
|
||||
install_element(CONFIG_NODE, &cfg_ns_cmd);
|
||||
install_node(&ns_node, config_write_ns);
|
||||
install_default(L_NS_NODE);
|
||||
install_element(L_NS_NODE, &libgb_exit_cmd);
|
||||
install_element(L_NS_NODE, &libgb_end_cmd);
|
||||
install_element(L_NS_NODE, &cfg_nse_nsvci_cmd);
|
||||
install_element(L_NS_NODE, &cfg_nse_remoteip_cmd);
|
||||
install_element(L_NS_NODE, &cfg_nse_remoteport_cmd);
|
||||
install_element(L_NS_NODE, &cfg_nse_fr_dlci_cmd);
|
||||
install_element(L_NS_NODE, &cfg_nse_encaps_cmd);
|
||||
install_element(L_NS_NODE, &cfg_nse_remoterole_cmd);
|
||||
install_element(L_NS_NODE, &cfg_no_nse_cmd);
|
||||
install_element(L_NS_NODE, &cfg_ns_timer_cmd);
|
||||
install_element(L_NS_NODE, &cfg_nsip_local_ip_cmd);
|
||||
install_element(L_NS_NODE, &cfg_nsip_local_port_cmd);
|
||||
install_element(L_NS_NODE, &cfg_frgre_enable_cmd);
|
||||
install_element(L_NS_NODE, &cfg_frgre_local_ip_cmd);
|
||||
|
||||
install_element(ENABLE_NODE, &nsvc_nsei_cmd);
|
||||
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,59 @@
|
|||
LIBOSMOGB_1.0 {
|
||||
global:
|
||||
bssgp_cause_str;
|
||||
bssgp_create_cell_id;
|
||||
bssgp_msgb_alloc;
|
||||
bssgp_msgb_tlli_put;
|
||||
bssgp_parse_cell_id;
|
||||
bssgp_tx_bvc_block;
|
||||
bssgp_tx_bvc_reset;
|
||||
bssgp_tx_bvc_unblock;
|
||||
bssgp_tx_flush_ll_ack;
|
||||
bssgp_tx_llc_discarded;
|
||||
bssgp_tx_ra_capa_upd;
|
||||
bssgp_tx_radio_status_imsi;
|
||||
bssgp_tx_radio_status_tlli;
|
||||
bssgp_tx_radio_status_tmsi;
|
||||
bssgp_tx_resume;
|
||||
bssgp_tx_resume_ack;
|
||||
bssgp_tx_resume_nack;
|
||||
bssgp_tx_simple_bvci;
|
||||
bssgp_tx_status;
|
||||
bssgp_tx_suspend;
|
||||
bssgp_tx_suspend_ack;
|
||||
bssgp_tx_suspend_nack;
|
||||
bssgp_tx_ul_ud;
|
||||
bssgp_rcvmsg
|
||||
bssgp_rx_paging
|
||||
bssgp_set_log_ss
|
||||
bssgp_tx_dl_ud
|
||||
bssgp_tx_paging
|
||||
bssgp_vty_init
|
||||
|
||||
gprs_ns_cause_str;
|
||||
gprs_ns_destroy;
|
||||
gprs_ns_frgre_listen;
|
||||
gprs_ns_frgre_sendmsg;
|
||||
gprs_ns_instantiate;
|
||||
gprs_ns_nsip_listen;
|
||||
gprs_ns_nsip_connect;
|
||||
gprs_ns_rcvmsg;
|
||||
gprs_ns_sendmsg;
|
||||
gprs_ns_set_log_ss;
|
||||
gprs_ns_tx_alive;
|
||||
gprs_ns_tx_alive_ack;
|
||||
gprs_ns_tx_block;
|
||||
gprs_ns_tx_reset;
|
||||
gprs_ns_tx_status;
|
||||
gprs_ns_tx_unblock;
|
||||
gprs_ns_vty_init;
|
||||
|
||||
gprs_nsvc_create;
|
||||
gprs_nsvc_delete;
|
||||
gprs_nsvc_reset;
|
||||
gprs_nsvc_by_nsvci;
|
||||
gprs_nsvc_by_nsei;
|
||||
|
||||
|
||||
local: *;
|
||||
};
|
Loading…
Reference in New Issue