mirror of https://gerrit.osmocom.org/libosmocore
[GPRS] gb_proxy: Initiate RESET procedure on persistent NS-VC at startup
Some BSS that connect to the proxy do not continue to perform the RESET procedure after a timeout. In order to resurrect them, we simply start a RESET procedure.
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@ -209,6 +209,9 @@ struct gprs_nsvc *nsvc_create(struct gprs_ns_inst *nsi, uint16_t nsvci);
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void nsvc_delete(struct gprs_nsvc *nsvc);
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struct gprs_nsvc *nsvc_by_nsei(struct gprs_ns_inst *nsi, uint16_t nsei);
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/* Initiate a RESET procedure (including timer start, ...)*/
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int gprs_nsvc_reset(struct gprs_nsvc *nsvc, uint8_t cause);
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/* Add NS-specific VTY stuff */
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int gprs_ns_vty_init(struct gprs_ns_inst *nsi);
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@ -720,7 +720,7 @@ int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg,
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nsvc->state = NSE_S_BLOCKED | NSE_S_ALIVE;
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nsvc->remote_state = NSE_S_BLOCKED | NSE_S_ALIVE;
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rate_ctr_inc(&nsvc->ctrg->ctr[NS_CTR_BLOCKED]);
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if (nsvc->remote_end_is_sgsn) {
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if (nsvc->persistent || nsvc->remote_end_is_sgsn) {
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/* stop RESET timer */
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bsc_del_timer(&nsvc->timer);
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/* Initiate TEST proc.: Send ALIVE and start timer */
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@ -894,6 +894,22 @@ int nsip_listen(struct gprs_ns_inst *nsi, uint16_t udp_port)
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return ret;
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}
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/* Initiate a RESET procedure */
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int gprs_nsvc_reset(struct gprs_nsvc *nsvc, uint8_t cause)
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{
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/* Mark NS-VC locally as blocked and dead */
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nsvc->state = NSE_S_BLOCKED;
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/* Send NS-RESET PDU */
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if (gprs_ns_tx_reset(nsvc, cause) < 0) {
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LOGP(DNS, LOGL_ERROR, "NSEI=%u, error resetting NS-VC\n",
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nsvc->nsei);
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}
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/* Start Tns-reset */
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nsvc_start_timer(nsvc, NSVC_TIMER_TNS_RESET);
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return nsvc;
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}
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/* Establish a connection (from the BSS) to the SGSN */
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struct gprs_nsvc *nsip_connect(struct gprs_ns_inst *nsi,
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struct sockaddr_in *dest, uint16_t nsei,
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@ -909,18 +925,5 @@ struct gprs_nsvc *nsip_connect(struct gprs_ns_inst *nsi,
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nsvc->nsvci = nsvci;
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nsvc->remote_end_is_sgsn = 1;
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/* Initiate a RESET procedure */
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/* Mark NS-VC locally as blocked and dead */
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nsvc->state = NSE_S_BLOCKED;
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/* Send NS-RESET PDU */
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if (gprs_ns_tx_reset(nsvc, NS_CAUSE_OM_INTERVENTION) < 0) {
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LOGP(DNS, LOGL_ERROR, "NSEI=%u, error resetting NS-VC\n",
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nsei);
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}
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/* Start Tns-reset */
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nsvc_start_timer(nsvc, NSVC_TIMER_TNS_RESET);
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return nsvc;
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return gprs_nsvc_reset(nsvc, NS_CAUSE_OM_INTERVENTION);
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}
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