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[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.
This commit is contained in:
Harald Welte 2010-05-03 21:11:22 +02:00
parent 570fb83fd5
commit 7fb7e6154c
1 changed files with 9 additions and 0 deletions
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9
openbsc/src/gprs_ns.c
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@ -433,6 +433,11 @@ int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg,
bsc_del_timer(&nsvc->timer);
/* start Tns-test */
nsvc_start_timer(nsvc, NSVC_TIMER_TNS_TEST);
if (nsvc->remote_end_is_sgsn) {
/* FIXME: this should be one level higher */
if (nsvc->state & NSE_S_BLOCKED)
rc = gprs_ns_tx_simple(nsvc, NS_PDUT_UNBLOCK);
}
break;
case NS_PDUT_UNITDATA:
/* actual user data */
@ -454,6 +459,8 @@ int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg,
/* send ALIVE PDU */
rc = gprs_ns_tx_simple(nsvc, NS_PDUT_ALIVE);
nsvc_start_timer(nsvc, NSVC_TIMER_TNS_ALIVE);
/* mark local state as BLOCKED + ALIVE */
nsvc->state = NSE_S_BLOCKED | NSE_S_ALIVE;
}
break;
case NS_PDUT_UNBLOCK:
@ -466,6 +473,8 @@ int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg,
DEBUGP(DGPRS, "NSEI=%u Rx NS UNBLOCK ACK\n", nsvc->nsei);
/* mark remote NS-VC as unblocked + active */
nsvc->remote_state = NSE_S_ALIVE;
if (nsvc->remote_end_is_sgsn)
nsvc->state = NSE_S_ALIVE;
break;
case NS_PDUT_BLOCK:
DEBUGP(DGPRS, "NSEI=%u Rx NS BLOCK\n", nsvc->nsei);