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author | Holger Hans Peter Freyther <zecke@selfish.org> | 2010-07-28 03:32:52 +0800 |
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committer | Holger Hans Peter Freyther <zecke@selfish.org> | 2010-07-28 03:36:32 +0800 |
commit | 97f66e2b534e2a54c63360a3f8134a0189c54e25 (patch) | |
tree | 903e34443767b09ef1d11575f8a1502f6295c7fd /include/mtp_level3.h |
Public release of the cellmgr_ng code to convert E1 to IPA SCCP
Diffstat (limited to 'include/mtp_level3.h')
-rw-r--r-- | include/mtp_level3.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/include/mtp_level3.h b/include/mtp_level3.h new file mode 100644 index 0000000..46cde40 --- /dev/null +++ b/include/mtp_level3.h @@ -0,0 +1,164 @@ +/* Q.701-Q.704, Q.706, Q.707 handling code */ +/* + * (C) 2010 by Holger Hans Peter Freyther <zecke@selfish.org> + * (C) 2010 by On-Waves + * 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. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +#ifndef mtp_level3_h +#define mtp_level3_h + +#include <endian.h> +#include <sys/types.h> + + +/* + * pssible service information octets.. + */ +#define MTP_NI_NATION_NET 0x02 + +#define MTP_SI_MNT_SNM_MSG 0x00 +#define MTP_SI_MNT_REG_MSG 0x01 +#define MTP_SI_MNT_SCCP 0x03 + +/* + * h0 contains the group, h1 the semantic of it + */ + +#define MTP_TST_MSG_GRP 0x01 +#define MTP_PROHIBIT_MSG_GRP 0x04 +#define MTP_TRF_RESTR_MSG_GRP 0x07 + +/* h1 values for different groups */ +#define MTP_TST_MSG_SLTM 0x01 +#define MTP_TST_MSG_SLTA 0x02 + +#define MTP_RESTR_MSG_ALLWED 0x01 + +#define MTP_PROHIBIT_MSG_SIG 0x01 + + +#define SCCP_SST 0x03 +#define SCCP_SSA 0x01 + +#define MTP_LINK_MASK 0x0F +#define MTP_ADDR_MASK 0x0FFF +#define MTP_APOC_MASK 0x3f + + +#if __BYTE_ORDER == __LITTLE_ENDIAN +#define MTP_LINK_SLS(addr) ((addr >>28) & MTP_LINK_MASK) +#define MTP_ADDR(link, dpc, opc) \ + (((dpc) & MTP_ADDR_MASK) << 0 | \ + ((opc) & MTP_ADDR_MASK) << 14| \ + ((link) & MTP_LINK_MASK) << 28) +#define MTP_MAKE_APOC(apoc) \ + (apoc & 0x3fff) +#elif __BYTE_ORDER == __BIG_ENDIAN +static inline u_int32_t c_swap_32(u_int32_t in) +{ + return (((in & 0x000000ff) << 24) | + ((in & 0x0000ff00) << 8) | + ((in & 0x00ff0000) >> 8) | + ((in & 0xff000000) >> 24)); +} +static inline u_int16_t c_swap_16(u_int16_t in) +{ + return (((in & 0x00ff) << 8) | + (in & 0xff00) >> 8); +} +#define MTP_LINK_SLS(addr) ((c_swap_32(addr)>>28) & MTP_LINK_MASK) +#define MTP_ADDR(link, dpc, opc) \ + c_swap_32(((dpc) & MTP_ADDR_MASK) << 0 | \ + ((opc) & MTP_ADDR_MASK) << 14| \ + ((link) & MTP_LINK_MASK) << 28) +#define MTP_MAKE_APOC(apoc) \ + c_swap_16((apoc & 0x3fff)) +#endif + + + +/* + * not the on wire address... + */ +struct mtp_addr { + u_int16_t dpc; + u_int16_t opc; + u_int8_t link; +} __attribute__((packed)); + +/* + * the struct is defined in Q.704 and can be seen in the + * wireshark dissectors too + */ +struct mtp_level_3_hdr { +#if __BYTE_ORDER == __LITTLE_ENDIAN + u_int8_t ser_ind : 4, + spare : 2, + ni : 2; +#elif __BYTE_ORDER == __BIG_ENDIAN + u_int8_t ni : 2, + spare : 2, + ser_ind : 4; +#endif + u_int32_t addr; + u_int8_t data[0]; +} __attribute__((packed)); + +struct mtp_level_3_cmn { +#if __BYTE_ORDER == __LITTLE_ENDIAN + u_int8_t h0 : 4, + h1 : 4; +#elif __BYTE_ORDER == __BIG_ENDIAN + u_int8_t h1 : 4, + h0 : 4; +#endif +} __attribute__((packed)); + +struct mtp_level_3_mng { + struct mtp_level_3_cmn cmn; +#if __BYTE_ORDER == __LITTLE_ENDIAN + u_int8_t spare : 4, + length : 4; +#elif __BYTE_ORDER == __BIG_ENDIAN + u_int8_t length : 4, + spare : 4; +#endif + u_int8_t data[0]; +} __attribute__((packed)); + +struct mtp_level_3_prohib { + struct mtp_level_3_cmn cmn; + + u_int16_t apoc; +} __attribute__((packed)); + +struct sccp_con_ctrl_prt_mgt { + u_int8_t sst; + u_int8_t assn; /* affected sub system number */ + u_int16_t apoc; +#if __BYTE_ORDER == __LITTLE_ENDIAN + u_int8_t mul_ind : 2, + spare : 6; +#elif __BYTE_ORDER == __BIG_ENDIAN + u_int8_t spare : 6, + mul_ind : 2; +#endif +} __attribute__((packed)); + +#endif |