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osmo-msc
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bsc: Handle MGCP coming from Osmo Extensions header 

Start using the new Osmo Extension header and forward MGCP
to the MGCP GW.
This commit is contained in:
Holger Hans Peter Freyther 2011-04-23 15:58:24 +02:00
parent 163f612326
commit a78b6026c9
1 changed files with 20 additions and 0 deletions
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20
openbsc/src/osmo-bsc/osmo_bsc_msc.c
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@ -188,6 +188,24 @@ static int msc_alink_do_write(struct bsc_fd *fd, struct msgb *msg)
return ret;
}
static void osmo_ext_handle(struct osmo_msc_data *msc, struct msgb *msg)
{
struct ipaccess_head *hh;
struct ipaccess_head_ext *hh_ext;
hh = (struct ipaccess_head *) msg->data;
hh_ext = (struct ipaccess_head_ext *) hh->data;
if (msg->len < sizeof(*hh) + sizeof(*hh_ext)) {
LOGP(DMSC, LOGL_ERROR, "Packet too short for extended header.\n");
return;
}
msg->l2h = hh_ext->data;
if (hh_ext->proto == IPAC_PROTO_EXT_MGCP)
mgcp_forward(msc, msg);
}
static int ipaccess_a_fd_cb(struct bsc_fd *bfd)
{
int error;
@ -225,6 +243,8 @@ static int ipaccess_a_fd_cb(struct bsc_fd *bfd)
sccp_system_incoming(msg);
} else if (hh->proto == IPAC_PROTO_MGCP_OLD) {
mgcp_forward(data, msg);
} else if (hh->proto == IPAC_PROTO_OSMO) {
osmo_ext_handle(data, msg);
}
msgb_free(msg);