Holger Hans Peter Freyther | bc1e52c | 2013-08-22 08:44:38 +0200 | [diff] [blame] | 1 | /* (C) 2009-2010 by Harald Welte <laforge@gnumonks.org> |
| 2 | * |
| 3 | * All Rights Reserved |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU Affero General Public License as published by |
| 7 | * the Free Software Foundation; either version 3 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU Affero General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU Affero General Public License |
| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | * |
| 18 | */ |
| 19 | #ifndef OPENBSC_CLONE_H |
| 20 | #define OPENBSC_CLONE_H |
| 21 | |
| 22 | #ifdef __cplusplus |
| 23 | extern "C" { |
| 24 | #endif |
| 25 | |
Holger Hans Peter Freyther | 9d93838 | 2013-07-31 21:59:29 +0200 | [diff] [blame] | 26 | #include <osmocom/gsm/protocol/gsm_04_08.h> |
| 27 | |
Holger Hans Peter Freyther | bc1e52c | 2013-08-22 08:44:38 +0200 | [diff] [blame] | 28 | #include <stdint.h> |
| 29 | |
| 30 | enum gprs_llc_cmd { |
| 31 | GPRS_LLC_NULL, |
| 32 | GPRS_LLC_RR, |
| 33 | GPRS_LLC_ACK, |
| 34 | GPRS_LLC_RNR, |
| 35 | GPRS_LLC_SACK, |
| 36 | GPRS_LLC_DM, |
| 37 | GPRS_LLC_DISC, |
| 38 | GPRS_LLC_UA, |
| 39 | GPRS_LLC_SABM, |
| 40 | GPRS_LLC_FRMR, |
| 41 | GPRS_LLC_XID, |
| 42 | GPRS_LLC_UI, |
| 43 | }; |
| 44 | |
| 45 | struct gprs_llc_hdr_parsed { |
| 46 | uint8_t sapi; |
| 47 | uint8_t is_cmd:1, |
| 48 | ack_req:1, |
| 49 | is_encrypted:1; |
| 50 | uint32_t seq_rx; |
| 51 | uint32_t seq_tx; |
| 52 | uint32_t fcs; |
| 53 | uint32_t fcs_calc; |
| 54 | const uint8_t *data; |
| 55 | uint16_t data_len; |
| 56 | uint16_t crc_length; |
| 57 | enum gprs_llc_cmd cmd; |
| 58 | }; |
| 59 | |
| 60 | int gprs_llc_hdr_parse(struct gprs_llc_hdr_parsed *ghp, const uint8_t *llc_hdr, int len); |
| 61 | |
Holger Hans Peter Freyther | 9d93838 | 2013-07-31 21:59:29 +0200 | [diff] [blame] | 62 | /* Table 10.4 / 10.4a, GPRS Mobility Management (GMM) */ |
| 63 | #define GSM48_MT_GMM_ATTACH_ACK 0x02 |
| 64 | |
| 65 | /* Chapter 9.4.2 / Table 9.4.2 */ |
| 66 | struct gsm48_attach_ack { |
| 67 | uint8_t att_result:4, /* 10.5.5.7 */ |
| 68 | force_stby:4; /* 10.5.5.1 */ |
| 69 | uint8_t ra_upd_timer; /* 10.5.7.3 */ |
| 70 | uint8_t radio_prio; /* 10.5.7.2 */ |
| 71 | struct gsm48_ra_id ra_id; /* 10.5.5.15 */ |
| 72 | uint8_t data[0]; |
| 73 | } __attribute__((packed)); |
| 74 | |
| 75 | enum gsm48_gprs_ie_mm { |
| 76 | GSM48_IE_GMM_CIPH_CKSN = 0x08, /* 10.5.1.2 */ |
| 77 | GSM48_IE_GMM_TIMER_READY = 0x17, /* 10.5.7.3 */ |
| 78 | GSM48_IE_GMM_ALLOC_PTMSI = 0x18, /* 10.5.1.4 */ |
| 79 | GSM48_IE_GMM_PTMSI_SIG = 0x19, /* 10.5.5.8 */ |
| 80 | GSM48_IE_GMM_AUTH_RAND = 0x21, /* 10.5.3.1 */ |
| 81 | GSM48_IE_GMM_AUTH_SRES = 0x22, /* 10.5.3.2 */ |
| 82 | GSM48_IE_GMM_IMEISV = 0x23, /* 10.5.1.4 */ |
| 83 | GSM48_IE_GMM_DRX_PARAM = 0x27, /* 10.5.5.6 */ |
| 84 | GSM48_IE_GMM_MS_NET_CAPA = 0x31, /* 10.5.5.12 */ |
| 85 | GSM48_IE_GMM_PDP_CTX_STATUS = 0x32, /* 10.5.7.1 */ |
| 86 | GSM48_IE_GMM_PS_LCS_CAPA = 0x33, /* 10.5.5.22 */ |
| 87 | GSM48_IE_GMM_GMM_MBMS_CTX_ST = 0x35, /* 10.5.7.6 */ |
| 88 | }; |
| 89 | |
| 90 | extern const struct tlv_definition gsm48_gmm_att_tlvdef; |
| 91 | |
Holger Hans Peter Freyther | bc1e52c | 2013-08-22 08:44:38 +0200 | [diff] [blame] | 92 | #ifdef __cplusplus |
| 93 | } |
| 94 | #endif |
| 95 | |
| 96 | #endif |