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/* (C) 2009-2010 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 Affero General Public License as published by
* the Free Software Foundation; either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef OPENBSC_CLONE_H
#define OPENBSC_CLONE_H
#ifdef __cplusplus
extern "C" {
#endif
#include <osmocom/gsm/protocol/gsm_04_08.h>
#include <osmocom/gsm/protocol/gsm_04_08_gprs.h>
#include <stdint.h>
enum gprs_llc_cmd {
GPRS_LLC_NULL,
GPRS_LLC_RR,
GPRS_LLC_ACK,
GPRS_LLC_RNR,
GPRS_LLC_SACK,
GPRS_LLC_DM,
GPRS_LLC_DISC,
GPRS_LLC_UA,
GPRS_LLC_SABM,
GPRS_LLC_FRMR,
GPRS_LLC_XID,
GPRS_LLC_UI,
};
struct gprs_llc_hdr_parsed {
uint8_t sapi;
uint8_t is_cmd:1,
ack_req:1,
is_encrypted:1;
uint32_t seq_rx;
uint32_t seq_tx;
uint32_t fcs;
uint32_t fcs_calc;
const uint8_t *data;
uint16_t data_len;
uint16_t crc_length;
enum gprs_llc_cmd cmd;
};
int gprs_llc_hdr_parse(struct gprs_llc_hdr_parsed *ghp, const uint8_t *llc_hdr, int len);
extern const struct tlv_definition gsm48_gmm_att_tlvdef;
#ifdef __cplusplus
}
#endif
#endif
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