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-rw-r--r--openbsc/include/osmocom/gprs/gprs_ns.h189
1 files changed, 0 insertions, 189 deletions
diff --git a/openbsc/include/osmocom/gprs/gprs_ns.h b/openbsc/include/osmocom/gprs/gprs_ns.h
deleted file mode 100644
index a7f32b25a..000000000
--- a/openbsc/include/osmocom/gprs/gprs_ns.h
+++ /dev/null
@@ -1,189 +0,0 @@
-#ifndef _GPRS_NS_H
-#define _GPRS_NS_H
-
-#include <stdint.h>
-
-/* Our Implementation */
-#include <netinet/in.h>
-#include <osmocom/core/linuxlist.h>
-#include <osmocom/core/msgb.h>
-#include <osmocom/core/timer.h>
-#include <osmocom/core/select.h>
-#include <osmocom/gprs/gprs_msgb.h>
-
-#include <osmocom/gprs/protocol/gsm_08_16.h>
-
-#define NS_TIMERS_COUNT 7
-#define NS_TIMERS "(tns-block|tns-block-retries|tns-reset|tns-reset-retries|tns-test|tns-alive|tns-alive-retries)"
-#define NS_TIMERS_HELP \
- "(un)blocking Timer (Tns-block) timeout\n" \
- "(un)blocking Timer (Tns-block) number of retries\n" \
- "Reset Timer (Tns-reset) timeout\n" \
- "Reset Timer (Tns-reset) number of retries\n" \
- "Test Timer (Tns-test) timeout\n" \
- "Alive Timer (Tns-alive) timeout\n" \
- "Alive Timer (Tns-alive) number of retries\n"
-
-enum ns_timeout {
- NS_TOUT_TNS_BLOCK,
- NS_TOUT_TNS_BLOCK_RETRIES,
- NS_TOUT_TNS_RESET,
- NS_TOUT_TNS_RESET_RETRIES,
- NS_TOUT_TNS_TEST,
- NS_TOUT_TNS_ALIVE,
- NS_TOUT_TNS_ALIVE_RETRIES,
-};
-
-#define NSE_S_BLOCKED 0x0001
-#define NSE_S_ALIVE 0x0002
-
-/*! \brief Osmocom NS link layer types */
-enum gprs_ns_ll {
- GPRS_NS_LL_UDP, /*!< NS/UDP/IP */
- GPRS_NS_LL_E1, /*!< NS/E1 */
- GPRS_NS_LL_FR_GRE, /*!< NS/FR/GRE/IP */
-};
-
-/*! \brief Osmoco NS events */
-enum gprs_ns_evt {
- GPRS_NS_EVT_UNIT_DATA,
-};
-
-struct gprs_nsvc;
-/*! \brief Osmocom GPRS callback function type */
-typedef int gprs_ns_cb_t(enum gprs_ns_evt event, struct gprs_nsvc *nsvc,
- struct msgb *msg, uint16_t bvci);
-
-/*! \brief An instance of the NS protocol stack */
-struct gprs_ns_inst {
- /*! \brief callback to the user for incoming UNIT DATA IND */
- gprs_ns_cb_t *cb;
-
- /*! \brief linked lists of all NSVC in this instance */
- struct llist_head gprs_nsvcs;
-
- /*! \brief a NSVC object that's needed to deal with packets for
- * unknown NSVC */
- struct gprs_nsvc *unknown_nsvc;
-
- uint16_t timeout[NS_TIMERS_COUNT];
-
- /*! \brief NS-over-IP specific bits */
- struct {
- struct osmo_fd fd;
- uint32_t local_ip;
- uint16_t local_port;
- } nsip;
- /*! \brief NS-over-FR-over-GRE-over-IP specific bits */
- struct {
- struct osmo_fd fd;
- uint32_t local_ip;
- unsigned int enabled:1;
- } frgre;
-};
-
-enum nsvc_timer_mode {
- /* standard timers */
- NSVC_TIMER_TNS_TEST,
- NSVC_TIMER_TNS_ALIVE,
- NSVC_TIMER_TNS_RESET,
- _NSVC_TIMER_NR,
-};
-
-/*! \brief Structure representing a single NS-VC */
-struct gprs_nsvc {
- /*! \brief list of NS-VCs within NS Instance */
- struct llist_head list;
- /*! \brief pointer to NS Instance */
- struct gprs_ns_inst *nsi;
-
- uint16_t nsei; /*! \brief end-to-end significance */
- uint16_t nsvci; /*! \brief uniquely identifies NS-VC at SGSN */
-
- uint32_t state;
- uint32_t remote_state;
-
- struct osmo_timer_list timer;
- enum nsvc_timer_mode timer_mode;
- int alive_retries;
-
- unsigned int remote_end_is_sgsn:1;
- unsigned int persistent:1;
-
- struct rate_ctr_group *ctrg;
-
- /*! \brief which link-layer are we based on? */
- enum gprs_ns_ll ll;
-
- union {
- struct {
- struct sockaddr_in bts_addr;
- } ip;
- struct {
- struct sockaddr_in bts_addr;
- } frgre;
- };
-};
-
-/* Create a new NS protocol instance */
-struct gprs_ns_inst *gprs_ns_instantiate(gprs_ns_cb_t *cb, void *ctx);
-
-/* Destroy a NS protocol instance */
-void gprs_ns_destroy(struct gprs_ns_inst *nsi);
-
-/* Listen for incoming GPRS packets via NS/UDP */
-int gprs_ns_nsip_listen(struct gprs_ns_inst *nsi);
-
-/* Establish a connection (from the BSS) to the SGSN */
-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 */
-int gprs_ns_sendmsg(struct gprs_ns_inst *nsi, struct msgb *msg);
-
-int gprs_ns_tx_reset(struct gprs_nsvc *nsvc, uint8_t cause);
-int gprs_ns_tx_block(struct gprs_nsvc *nsvc, uint8_t cause);
-int gprs_ns_tx_unblock(struct gprs_nsvc *nsvc);
-
-/* Listen for incoming GPRS packets via NS/FR/GRE */
-int gprs_ns_frgre_listen(struct gprs_ns_inst *nsi);
-
-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