diff options
| author | Holger Hans Peter Freyther <zecke@selfish.org> | 2010-05-15 00:14:58 +0800 |
|---|---|---|
| committer | Holger Hans Peter Freyther <zecke@selfish.org> | 2010-06-15 20:24:19 +0800 |
| commit | e635dab52fd8351cb3af2e120580374ae6a38065 (patch) | |
| tree | d7227333b651953f2fb23201dd3dc8253163bf31 /openbsc/src/nat/bsc_nat.c | |
| parent | f76e7ef5e1528a33a7f314e78a5b029a76ff2282 (diff) | |
[nat] Add a token to the nat config and handle ID GET
This allows to chain a nat with a nat by answering to the
id get code and sending the token.
Diffstat (limited to 'openbsc/src/nat/bsc_nat.c')
| -rw-r--r-- | openbsc/src/nat/bsc_nat.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/openbsc/src/nat/bsc_nat.c b/openbsc/src/nat/bsc_nat.c index 4a0a15bfa..daed23987 100644 --- a/openbsc/src/nat/bsc_nat.c +++ b/openbsc/src/nat/bsc_nat.c @@ -260,6 +260,16 @@ static void initialize_msc_if_needed() msc_send_reset(nat->msc_con); } +static void send_id_get_response() +{ + struct msgb *msg = bsc_msc_id_get_resp(nat->token); + if (!msg) + return; + + ipaccess_prepend_header(msg, IPAC_PROTO_IPACCESS); + queue_for_msc(nat->msc_con, msg); +} + /* * Currently we are lacking refcounting so we need to copy each message. */ @@ -455,9 +465,12 @@ static int ipaccess_msc_read_cb(struct bsc_fd *bfd) ipaccess_rcvmsg_base(msg, bfd); /* initialize the networking. This includes sending a GSM08.08 message */ - if (hh->proto == IPAC_PROTO_IPACCESS && msg->l2h[0] == IPAC_MSGT_ID_ACK) - initialize_msc_if_needed(); - else if (hh->proto == IPAC_PROTO_SCCP) + if (hh->proto == IPAC_PROTO_IPACCESS) { + if (msg->l2h[0] == IPAC_MSGT_ID_ACK) + initialize_msc_if_needed(); + else if (msg->l2h[0] == IPAC_MSGT_ID_GET) + send_id_get_response(); + } else if (hh->proto == IPAC_PROTO_SCCP) forward_sccp_to_bts(msg); msgb_free(msg); |