69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/* (C) 2009-2010 by Harald Welte <laforge@gnumonks.org>
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef OPENBSC_CLONE_H
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#define OPENBSC_CLONE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <osmocom/gsm/protocol/gsm_04_08.h>
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#include <osmocom/gsm/protocol/gsm_04_08_gprs.h>
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#include <stdint.h>
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enum gprs_llc_cmd {
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GPRS_LLC_NULL,
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GPRS_LLC_RR,
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GPRS_LLC_ACK,
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GPRS_LLC_RNR,
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GPRS_LLC_SACK,
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GPRS_LLC_DM,
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GPRS_LLC_DISC,
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GPRS_LLC_UA,
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GPRS_LLC_SABM,
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GPRS_LLC_FRMR,
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GPRS_LLC_XID,
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GPRS_LLC_UI,
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};
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struct gprs_llc_hdr_parsed {
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uint8_t sapi;
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uint8_t is_cmd:1,
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ack_req:1,
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is_encrypted:1;
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uint32_t seq_rx;
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uint32_t seq_tx;
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uint32_t fcs;
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uint32_t fcs_calc;
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const uint8_t *data;
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uint16_t data_len;
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uint16_t crc_length;
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enum gprs_llc_cmd cmd;
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};
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int gprs_llc_hdr_parse(struct gprs_llc_hdr_parsed *ghp, const uint8_t *llc_hdr, int len);
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extern const struct tlv_definition gsm48_gmm_att_tlvdef;
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#ifdef __cplusplus
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}
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#endif
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#endif
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