diff options
| author | Neels Hofmeyr <nhofmeyr@sysmocom.de> | 2016-01-25 18:53:22 +0100 |
|---|---|---|
| committer | Neels Hofmeyr <nhofmeyr@sysmocom.de> | 2016-03-03 16:19:09 +0100 |
| commit | 9dcae17866e40814bf0cc4b70ec6f3453814b4f7 (patch) | |
| tree | beb1b1870ed40e6c01396b131108a33517583715 /openbsc/src/gprs | |
| parent | c2c5176328e211007c6e4b41c4c583788bb70a1f (diff) | |
wip
Diffstat (limited to 'openbsc/src/gprs')
| -rw-r--r-- | openbsc/src/gprs/iu.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/openbsc/src/gprs/iu.c b/openbsc/src/gprs/iu.c index 30c5a9c6d..43056bbc3 100644 --- a/openbsc/src/gprs/iu.c +++ b/openbsc/src/gprs/iu.c @@ -481,7 +481,7 @@ static struct gsm_subscriber_connection *subscr_conn_lookup_iu(struct gsm_networ return NULL; } -/* Receive MM/CC message from Iu-CS (SCCP user SAP). +/* Receive MM/CC/... message from Iu-CS (SCCP user SAP). * msg->dst must reference a struct ue_conn_ctx. link_id identifies the SCTP * peer that sent the msg. * @@ -502,6 +502,14 @@ int gsm0408_rcvmsg_iucs(struct gsm_network *network, struct msgb *msg, uint8_t l if (conn) { /* if we already have a connection, handle DTAP. gsm0408_dispatch() is aka msc_dtap() */ + + /* Make sure we don't receive RR over Iu-CS; otherwise all + * messages handled by gsm0408_dispatch() are of interest (CC, + * MM, SMS, NS_SS, maybe even MM_GPRS and SM_GPRS). */ + struct gsm48_hdr *gh = msgb_l3(msg); + uint8_t pdisc = gh->proto_discr & 0x0f; + OSMO_ASSERT(pdisc != GSM48_PDISC_RR); + gsm0408_dispatch(conn, msg); } else { /* allocate a new connection */ |