diff options
Diffstat (limited to 'openbsc/src/sccp/sccp.c')
| -rw-r--r-- | openbsc/src/sccp/sccp.c | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/openbsc/src/sccp/sccp.c b/openbsc/src/sccp/sccp.c index f7c31e8a7..24dc9b0ff 100644 --- a/openbsc/src/sccp/sccp.c +++ b/openbsc/src/sccp/sccp.c @@ -682,33 +682,48 @@ static int _sccp_send_refuse(struct sccp_source_reference *src_ref, int cause) return 0; } -static int _sccp_send_connection_confirm(struct sccp_connection *connection) +struct msgb *sccp_create_cc(struct sccp_source_reference *src_ref, + struct sccp_source_reference *dst_ref) { struct msgb *response; struct sccp_connection_confirm *confirm; u_int8_t *optional_data; - if (assign_source_local_reference(connection) != 0) - return -1; - response = msgb_alloc_headroom(SCCP_MSG_SIZE, SCCP_MSG_HEADROOM, "sccp confirm"); + if (!response) { + LOGP(DSCCP, LOGL_ERROR, "Failed to create SCCP Confirm.\n"); + return NULL; + } + response->l2h = &response->data[0]; confirm = (struct sccp_connection_confirm *) msgb_put(response, sizeof(*confirm)); confirm->type = SCCP_MSG_TYPE_CC; memcpy(&confirm->destination_local_reference, - &connection->destination_local_reference, - sizeof(connection->destination_local_reference)); + dst_ref, sizeof(*dst_ref)); memcpy(&confirm->source_local_reference, - &connection->source_local_reference, - sizeof(connection->source_local_reference)); + src_ref, sizeof(*src_ref)); confirm->proto_class = 2; confirm->optional_start = 1; optional_data = (u_int8_t *) msgb_put(response, 1); optional_data[0] = SCCP_PNC_END_OF_OPTIONAL; + return response; +} + +static int _sccp_send_connection_confirm(struct sccp_connection *connection) +{ + struct msgb *response; + + if (assign_source_local_reference(connection) != 0) + return -1; + + response = sccp_create_cc(&connection->source_local_reference, + &connection->destination_local_reference); + if (!response) + return -1; _send_msg(response); _sccp_set_connection_state(connection, SCCP_CONNECTION_STATE_ESTABLISHED); |