| /* 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 <stdint.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 |
| #define MTP_SI_MNT_ISUP 0x05 |
| |
| /* |
| * 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_SSP 0x02 |
| #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 uint32_t c_swap_32(uint32_t in) |
| { |
| return (((in & 0x000000ff) << 24) | |
| ((in & 0x0000ff00) << 8) | |
| ((in & 0x00ff0000) >> 8) | |
| ((in & 0xff000000) >> 24)); |
| } |
| static inline uint16_t c_swap_16(uint16_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 { |
| uint16_t dpc; |
| uint16_t opc; |
| uint8_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 |
| uint8_t ser_ind : 4, |
| spare : 2, |
| ni : 2; |
| #elif __BYTE_ORDER == __BIG_ENDIAN |
| uint8_t ni : 2, |
| spare : 2, |
| ser_ind : 4; |
| #endif |
| uint32_t addr; |
| uint8_t data[0]; |
| } __attribute__((packed)); |
| |
| struct mtp_level_3_cmn { |
| #if __BYTE_ORDER == __LITTLE_ENDIAN |
| uint8_t h0 : 4, |
| h1 : 4; |
| #elif __BYTE_ORDER == __BIG_ENDIAN |
| uint8_t h1 : 4, |
| h0 : 4; |
| #endif |
| } __attribute__((packed)); |
| |
| struct mtp_level_3_mng { |
| struct mtp_level_3_cmn cmn; |
| #if __BYTE_ORDER == __LITTLE_ENDIAN |
| uint8_t spare : 4, |
| length : 4; |
| #elif __BYTE_ORDER == __BIG_ENDIAN |
| uint8_t length : 4, |
| spare : 4; |
| #endif |
| uint8_t data[0]; |
| } __attribute__((packed)); |
| |
| struct mtp_level_3_prohib { |
| struct mtp_level_3_cmn cmn; |
| |
| uint16_t apoc; |
| } __attribute__((packed)); |
| |
| struct sccp_con_ctrl_prt_mgt { |
| uint8_t sst; |
| uint8_t assn; /* affected sub system number */ |
| uint16_t apoc; |
| #if __BYTE_ORDER == __LITTLE_ENDIAN |
| uint8_t mul_ind : 2, |
| spare : 6; |
| #elif __BYTE_ORDER == __BIG_ENDIAN |
| uint8_t spare : 6, |
| mul_ind : 2; |
| #endif |
| } __attribute__((packed)); |
| |
| #endif |