diff options
Diffstat (limited to 'src/sccp_state.c')
| -rw-r--r-- | src/sccp_state.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/sccp_state.c b/src/sccp_state.c index 3457756..74f571d 100644 --- a/src/sccp_state.c +++ b/src/sccp_state.c @@ -27,6 +27,7 @@ #include <bsc_data.h> #include <cellmgr_debug.h> #include <bsc_sccp.h> +#include <bsc_ussd.h> #include <osmocore/talloc.h> @@ -521,3 +522,47 @@ static void send_reset_ack(struct mtp_link_set *link, int sls) mtp_link_set_submit_sccp_data(link, sls, reset_ack, sizeof(reset_ack)); } + +void msc_dispatch_sccp(struct msc_connection *msc, struct msgb *msg) +{ + /* we can not forward it right now */ + if (msc->forward_only) { + if (!msc->target_link->sccp_up) + return; + mtp_link_set_submit_sccp_data(msc->target_link, -1, + msg->l2h, msgb_l2len(msg)); + } else { + struct sccp_parse_result result; + int rc; + + rc = bss_patch_filter_msg(msg, &result); + + if (rc == BSS_FILTER_RESET_ACK) { + LOGP(DMSC, LOGL_NOTICE, "Filtering reset ack from the MSC\n"); + } else if (rc == BSS_FILTER_RLSD) { + LOGP(DMSC, LOGL_DEBUG, "Filtering RLSD from the MSC\n"); + update_con_state(msc, rc, &result, msg, 1, 0); + } else if (rc == BSS_FILTER_RLC) { + /* if we receive this we have forwarded a RLSD to the network */ + LOGP(DMSC, LOGL_ERROR, "RLC from the network. BAD!\n"); + } else if (rc == BSS_FILTER_CLEAR_COMPL) { + LOGP(DMSC, LOGL_ERROR, "Clear Complete from the network.\n"); + } else if (msc->target_link->sccp_up) { + unsigned int sls; + + update_con_state(msc, rc, &result, msg, 1, 0); + sls = sls_for_src_ref(msc, result.destination_local_reference); + + /* Check for Location Update Accept */ + bsc_ussd_handle_in_msg(msc, &result, msg); + + /* patch a possible PC */ + bss_rewrite_header_to_bsc(msg, msc->target_link->opc, + msc->target_link->dpc); + + /* we can not forward it right now */ + mtp_link_set_submit_sccp_data(msc->target_link, sls, + msg->l2h, msgb_l2len(msg)); + } + } +} |