osmocom-bb/src/host/layer23/src/common/l1ctl_lapdm_glue.c

59 lines
1.5 KiB
C

/* Glue code between L1CTL and LAPDm */
/* (C) 2011 by Harald Welte <laforge@gnumonks.org>
*
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <stdint.h>
#include <l1ctl_proto.h>
#include <osmocom/gsm/prim.h>
#include <osmocom/bb/common/l1ctl.h>
#include <osmocom/gsm/lapdm.h>
/* LAPDm wants to send a PH-* primitive to the physical layer (L1) */
int l1ctl_ph_prim_cb(struct osmo_prim_hdr *oph, void *ctx)
{
struct osmocom_ms *ms = ctx;
struct osmo_phsap_prim *pp = (struct osmo_phsap_prim *) oph;
int rc = 0;
if (oph->sap != SAP_GSM_PH)
return -ENODEV;
if (oph->operation != PRIM_OP_REQUEST)
return -EINVAL;
switch (oph->primitive) {
case PRIM_PH_DATA:
rc = l1ctl_tx_data_req(ms, oph->msg, pp->u.data.chan_nr,
pp->u.data.link_id);
break;
case PRIM_PH_RACH:
l1ctl_tx_param_req(ms, pp->u.rach_req.ta,
pp->u.rach_req.tx_power);
rc = l1ctl_tx_rach_req(ms, pp->u.rach_req.ra,
pp->u.rach_req.offset,
pp->u.rach_req.is_combined_ccch);
break;
default:
rc = -EINVAL;
}
return rc;
}