diff options
Diffstat (limited to 'openbsc')
| -rw-r--r-- | openbsc/include/openbsc/bsc_nat.h | 10 | ||||
| -rw-r--r-- | openbsc/src/osmo-bsc_nat/bsc_nat.c | 8 |
2 files changed, 14 insertions, 4 deletions
diff --git a/openbsc/include/openbsc/bsc_nat.h b/openbsc/include/openbsc/bsc_nat.h index dd29c7aa5..02290231d 100644 --- a/openbsc/include/openbsc/bsc_nat.h +++ b/openbsc/include/openbsc/bsc_nat.h @@ -55,6 +55,16 @@ enum { }; /* + * Is this terminated to the MSC, to the local machine (release + * handling for IMSI filtering) or to a USSD provider? + */ +enum { + NAT_CON_END_MSC, + NAT_CON_END_LOCAL, + NAT_CON_END_USSD, +}; + +/* * Per BSC data structure */ struct bsc_connection { diff --git a/openbsc/src/osmo-bsc_nat/bsc_nat.c b/openbsc/src/osmo-bsc_nat/bsc_nat.c index d38256587..e395ba516 100644 --- a/openbsc/src/osmo-bsc_nat/bsc_nat.c +++ b/openbsc/src/osmo-bsc_nat/bsc_nat.c @@ -399,7 +399,7 @@ static void bsc_send_con_release(struct bsc_connection *bsc, struct sccp_connect ipaccess_prepend_header(rlsd, IPAC_PROTO_SCCP); queue_for_msc(con->msc_con, rlsd); } - con->con_local = 1; + con->con_local = NAT_CON_END_LOCAL; con->msc_con = NULL; /* 2. release the BSC side */ @@ -465,7 +465,7 @@ static void bsc_send_con_refuse(struct bsc_connection *bsc, /* declare it local and assign a unique remote_ref */ con->con_type = NAT_CON_TYPE_LOCAL_REJECT; - con->con_local = 1; + con->con_local = NAT_CON_END_LOCAL; con->has_remote_ref = 1; con->remote_ref = con->patched_ref; @@ -942,7 +942,7 @@ static int forward_sccp_to_msc(struct bsc_connection *bsc, struct msgb *msg) /* hand data to a side channel */ if (bsc_check_ussd(con, parsed, msg) == 1) - con->con_local = 2; + con->con_local = NAT_CON_END_USSD; /* * Optionally rewrite setup message. This can @@ -1414,7 +1414,7 @@ int bsc_close_ussd_connections(struct bsc_nat *nat) { struct sccp_connections *con; llist_for_each_entry(con, &nat->sccp_connections, list_entry) { - if (con->con_local != 2) + if (con->con_local != NAT_CON_END_USSD) continue; if (!con->bsc) continue; |