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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 <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);
/* Table 10.4 / 10.4a, GPRS Mobility Management (GMM) */
#define GSM48_MT_GMM_ATTACH_ACK 0x02
/* Chapter 9.4.2 / Table 9.4.2 */
struct gsm48_attach_ack {
uint8_t att_result:4, /* 10.5.5.7 */
force_stby:4; /* 10.5.5.1 */
uint8_t ra_upd_timer; /* 10.5.7.3 */
uint8_t radio_prio; /* 10.5.7.2 */
struct gsm48_ra_id ra_id; /* 10.5.5.15 */
uint8_t data[0];
} __attribute__((packed));
enum gsm48_gprs_ie_mm {
GSM48_IE_GMM_CIPH_CKSN = 0x08, /* 10.5.1.2 */
GSM48_IE_GMM_TIMER_READY = 0x17, /* 10.5.7.3 */
GSM48_IE_GMM_ALLOC_PTMSI = 0x18, /* 10.5.1.4 */
GSM48_IE_GMM_PTMSI_SIG = 0x19, /* 10.5.5.8 */
GSM48_IE_GMM_AUTH_RAND = 0x21, /* 10.5.3.1 */
GSM48_IE_GMM_AUTH_SRES = 0x22, /* 10.5.3.2 */
GSM48_IE_GMM_IMEISV = 0x23, /* 10.5.1.4 */
GSM48_IE_GMM_DRX_PARAM = 0x27, /* 10.5.5.6 */
GSM48_IE_GMM_MS_NET_CAPA = 0x31, /* 10.5.5.12 */
GSM48_IE_GMM_PDP_CTX_STATUS = 0x32, /* 10.5.7.1 */
GSM48_IE_GMM_PS_LCS_CAPA = 0x33, /* 10.5.5.22 */
GSM48_IE_GMM_GMM_MBMS_CTX_ST = 0x35, /* 10.5.7.6 */
};
extern const struct tlv_definition gsm48_gmm_att_tlvdef;
#ifdef __cplusplus
}
#endif
#endif
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