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NS: Add more LOG_DEBGU messages and retransmit NS-ALIVE

This commit is contained in:
Harald Welte 2010-05-12 12:11:45 +00:00
parent 6ecaa3da2b
commit b983c3104d
1 changed files with 23 additions and 4 deletions
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27
openbsc/src/gprs/gprs_ns.c
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@ -293,13 +293,28 @@ int gprs_ns_tx_block(struct gprs_nsvc *nsvc, uint8_t cause)
int gprs_ns_tx_unblock(struct gprs_nsvc *nsvc)
{
LOGP(DNS, LOGL_INFO, "NSEI=%u Tx NS UNBLOCK (NSVCI=%u)\n",
nsvc->nsei, nsvc->nsvci);
return gprs_ns_tx_simple(nsvc, NS_PDUT_UNBLOCK);
}
int gprs_ns_tx_alive(struct gprs_nsvc *nsvc)
{
LOGP(DNS, LOGL_DEBUG, "NSEI=%u Tx NS ALIVE (NSVCI=%u)\n",
nsvc->nsei, nsvc->nsvci);
return gprs_ns_tx_simple(nsvc, NS_PDUT_ALIVE);
}
int gprs_ns_tx_alive_ack(struct gprs_nsvc *nsvc)
{
LOGP(DNS, LOGL_DEBUG, "NSEI=%u Tx NS ALIVE_ACK (NSVCI=%u)\n",
nsvc->nsei, nsvc->nsvci);
return gprs_ns_tx_simple(nsvc, NS_PDUT_ALIVE_ACK);
}
#define NS_ALIVE_RETRIES 10 /* after 3 failed retransmit we declare BTS as dead */
static const uint8_t timer_mode_tout[_NSVC_TIMER_NR] = {
@ -337,12 +352,16 @@ static void gprs_ns_timer_cb(void *data)
ns_dispatch_signal(nsvc, S_NS_BLOCK, NS_CAUSE_NSVC_BLOCKED);
return;
}
/* Tns-test case: send NS-ALIVE PDU */
gprs_ns_tx_alive(nsvc);
/* start Tns-alive timer */
nsvc_start_timer(nsvc, NSVC_TIMER_TNS_ALIVE);
break;
case NSVC_TIMER_TNS_TEST:
/* Tns-test case: send NS-ALIVE PDU */
gprs_ns_tx_simple(nsvc, NS_PDUT_ALIVE);
/* start Tns-alive timer */
gprs_ns_tx_alive(nsvc);
/* start Tns-alive timer (transition into faster
* alive retransmissions) */
nsvc_start_timer(nsvc, NSVC_TIMER_TNS_ALIVE);
break;
case NSVC_TIMER_TNS_RESET:
@ -584,7 +603,7 @@ int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg,
case NS_PDUT_ALIVE:
/* remote end inquires whether we're still alive,
* we need to respond with ALIVE_ACK */
rc = gprs_ns_tx_simple(nsvc, NS_PDUT_ALIVE_ACK);
rc = gprs_ns_tx_alive_ack(nsvc);
break;
case NS_PDUT_ALIVE_ACK:
/* stop Tns-alive */