[gprs] NS: If we are the BSS side, UNBLOCK the connection after it is ALIVE
After RESET / RESET-ACK and ALIVE / ALIVE-ACK, the connection needs to be unblocked from the BSS side to the SGSN.
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@ -433,6 +433,11 @@ int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg,
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bsc_del_timer(&nsvc->timer);
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/* start Tns-test */
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nsvc_start_timer(nsvc, NSVC_TIMER_TNS_TEST);
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if (nsvc->remote_end_is_sgsn) {
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/* FIXME: this should be one level higher */
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if (nsvc->state & NSE_S_BLOCKED)
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rc = gprs_ns_tx_simple(nsvc, NS_PDUT_UNBLOCK);
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}
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break;
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case NS_PDUT_UNITDATA:
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/* actual user data */
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@ -454,6 +459,8 @@ int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg,
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/* send ALIVE PDU */
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rc = gprs_ns_tx_simple(nsvc, NS_PDUT_ALIVE);
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nsvc_start_timer(nsvc, NSVC_TIMER_TNS_ALIVE);
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/* mark local state as BLOCKED + ALIVE */
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nsvc->state = NSE_S_BLOCKED | NSE_S_ALIVE;
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}
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break;
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case NS_PDUT_UNBLOCK:
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@ -466,6 +473,8 @@ int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg,
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DEBUGP(DGPRS, "NSEI=%u Rx NS UNBLOCK ACK\n", nsvc->nsei);
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/* mark remote NS-VC as unblocked + active */
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nsvc->remote_state = NSE_S_ALIVE;
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if (nsvc->remote_end_is_sgsn)
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nsvc->state = NSE_S_ALIVE;
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break;
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case NS_PDUT_BLOCK:
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DEBUGP(DGPRS, "NSEI=%u Rx NS BLOCK\n", nsvc->nsei);
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