--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-fad/ip/ip_udp.h	Sun Jul 15 04:40:46 2018 +0000
@@ -0,0 +1,502 @@
+/*
++----------------------------------------------------------------------------
+| Project: GSM-WAP (8444)
+| Modul: UDP
++----------------------------------------------------------------------------
+| Copyright 2002 Texas Instruments Berlin, AG
+|                All rights reserved.
+|
+|                This file is confidential and a trade secret of Texas
+|                Instruments Berlin, AG
+|                The receipt of or possession of this file does not convey
+|                any rights to reproduce or disclose its contents or to
+|                manufacture, use, or sell anything it may describe, in
+|                whole, or in part, without the specific written consent of
+|                Texas Instruments Berlin, AG.
++----------------------------------------------------------------------------
+| Purpose: Definitions for the Protocol Stack Entity
+|          Internet Protocol
++----------------------------------------------------------------------------
+*/
+
+#ifndef IP_UDP_H
+#define IP_UDP_H
+
+/*-------------------------------------------------------------------------*/
+
+#include "typedefs.h"
+
+/*---- Macros for the IP header -------------------------------------------*/
+
+#define SET_IP_VERSION(ip_header,value) (\
+  ((UBYTE*)(ip_header))[0] = (UBYTE) \
+    ((value)<<4 & 0xF0 | ((UBYTE*)(ip_header))[0] & 0x0F) \
+)
+
+#define SET_IP_HEADER_LEN(ip_header,value) (\
+  ((UBYTE*)(ip_header))[0] = (UBYTE) \
+    (((UBYTE*)(ip_header))[0] & 0xF0 | (value) & 0x0F) \
+)
+
+#define SET_IP_TYPE_OF_SERVICE(ip_header,value) (\
+  ((UBYTE*)(ip_header))[1] = (UBYTE) (value) \
+)
+
+#define SET_IP_TOTAL_LEN(ip_header,value) (\
+  ((UBYTE*)(ip_header))[2] = (UBYTE) ((value)>>8), \
+  ((UBYTE*)(ip_header))[3] = (UBYTE) (value) \
+)
+
+#define SET_IP_IDENT(ip_header,value) (\
+  ((UBYTE*)(ip_header))[4] = (UBYTE) ((value)>>8), \
+  ((UBYTE*)(ip_header))[5] = (UBYTE) (value) \
+)
+
+#define SET_IP_OFF_FLAG(ip_header,value) (\
+  ((UBYTE*)(ip_header))[6] = (UBYTE) \
+    (((UBYTE*)(ip_header))[6] & 0x7F | (value)<<7 & 0x80) \
+)
+
+#define SET_IP_DF_FLAG(ip_header,value) (\
+  ((UBYTE*)(ip_header))[6] = (UBYTE) \
+    (((UBYTE*)(ip_header))[6] & 0xBF | (value)<<6 & 0x40) \
+)
+
+#define SET_IP_MF_FLAG(ip_header,value) (\
+  ((UBYTE*)(ip_header))[6] = (UBYTE) \
+    (((UBYTE*)(ip_header))[6] & 0xDF | (value)<<5 & 0x20) \
+)
+
+#define SET_IP_FRAG_OFFSET(ip_header,value) (\
+  ((UBYTE*)(ip_header))[6] = (UBYTE) \
+    (((UBYTE*)(ip_header))[6] & 0xE0 | (value)>>8 & 0x1F), \
+  ((UBYTE*)(ip_header))[7] = (UBYTE) (value) \
+)
+
+#define SET_IP_TTL(ip_header,value) (\
+  ((UBYTE*)(ip_header))[8] = (UBYTE) (value) \
+)
+
+#define SET_IP_PROT(ip_header,value) (\
+  ((UBYTE*)(ip_header))[9] = (UBYTE) (value) \
+)
+
+#define SET_IP_CHECKSUM(ip_header,value) (\
+  ((UBYTE*)(ip_header))[10] = (UBYTE) (value), \
+  ((UBYTE*)(ip_header))[11] = (UBYTE) ((value)>>8) \
+) /* please take note of the reversed byte order */
+
+#define RESET_IP_CHECKSUM(ip_header) (\
+  ((UBYTE*)(ip_header))[10] = 0, \
+  ((UBYTE*)(ip_header))[11] = 0 \
+)
+
+#define SET_IP_SOURCE_ADDR(ip_header,value) (\
+  ((UBYTE*)(ip_header))[12] = (UBYTE) ((value)>>24), \
+  ((UBYTE*)(ip_header))[13] = (UBYTE) ((value)>>16), \
+  ((UBYTE*)(ip_header))[14] = (UBYTE) ((value)>>8), \
+  ((UBYTE*)(ip_header))[15] = (UBYTE) (value) \
+)
+
+#define SET_IP_DEST_ADDR(ip_header,value) (\
+  ((UBYTE*)(ip_header))[16] = (UBYTE) ((value)>>24), \
+  ((UBYTE*)(ip_header))[17] = (UBYTE) ((value)>>16), \
+  ((UBYTE*)(ip_header))[18] = (UBYTE) ((value)>>8), \
+  ((UBYTE*)(ip_header))[19] = (UBYTE) (value) \
+)
+
+#define GET_IP_VERSION(ip_header) (\
+  ((UBYTE*)(ip_header))[0]>>4 \
+)
+
+#define GET_IP_HEADER_LEN(ip_header) (\
+  ((UBYTE*)(ip_header))[0] & 0xF \
+)
+
+#define GET_IP_HEADER_LEN_B(ip_header) (\
+  GET_IP_HEADER_LEN (ip_header) << 2 \
+)
+
+#define GET_IP_TYPE_OF_SERVICE(ip_header) (\
+  ((UBYTE*)(ip_header))[1] \
+)
+
+#define GET_IP_TOTAL_LEN(ip_header) (\
+  ((UBYTE*)(ip_header))[2]<<8 | ((UBYTE*)(ip_header))[3] \
+)
+
+#define GET_IP_IDENT(ip_header) (\
+  ((UBYTE*)(ip_header))[4]<<8 | ((UBYTE*)(ip_header))[5] \
+)
+
+#define GET_IP_OFF_FLAG(ip_header) (\
+  ((UBYTE*)(ip_header))[6]>>7 & 0x1 \
+)
+
+#define GET_IP_DF_FLAG(ip_header) (\
+  ((UBYTE*)(ip_header))[6]>>6 & 0x1 \
+)
+
+#define GET_IP_MF_FLAG(ip_header) (\
+  ((UBYTE*)(ip_header))[6]>>5 & 0x1 \
+)
+
+#define GET_IP_FRAG_OFFSET(ip_header) (\
+  (((UBYTE*)(ip_header))[6] & 0x1F) << 8 | ((UBYTE*)(ip_header))[7] \
+)
+
+#define GET_IP_FRAG_OFFSET_B(ip_header) (\
+  GET_IP_FRAG_OFFSET (ip_header) << 3 \
+)
+
+#define GET_IP_TTL(ip_header) (\
+  ((UBYTE*)(ip_header))[8] \
+)
+
+#define GET_IP_PROT(ip_header) (\
+  ((UBYTE*)(ip_header))[9] \
+)
+
+#define GET_IP_CHECKSUM(ip_header) (\
+  ((UBYTE*)(ip_header))[10] | ((UBYTE*)(ip_header))[11]<<8 \
+) /* please take note of the reversed byte order */
+
+#define GET_IP_SOURCE_ADDR(ip_header) (\
+  ((UBYTE*)(ip_header))[12]<<24 | \
+  ((UBYTE*)(ip_header))[13]<<16 | \
+  ((UBYTE*)(ip_header))[14]<<8 | \
+  ((UBYTE*)(ip_header))[15] \
+)
+
+#define GET_IP_DEST_ADDR(ip_header) (\
+  ((UBYTE*)(ip_header))[16]<<24 | \
+  ((UBYTE*)(ip_header))[17]<<16 | \
+  ((UBYTE*)(ip_header))[18]<<8 | \
+  ((UBYTE*)(ip_header))[19] \
+)
+
+/*---- Macros for the UDP header ------------------------------------------*/
+
+#define SET_UDP_SRC_PORT(ip_header,value) (\
+  ((UBYTE*)(ip_header))[20] = (UBYTE) ((value)>>8), \
+  ((UBYTE*)(ip_header))[21] = (UBYTE) (value) \
+)
+
+#define SET_UDP_DST_PORT(ip_header,value) (\
+  ((UBYTE*)(ip_header))[22] = (UBYTE) ((value)>>8), \
+  ((UBYTE*)(ip_header))[23] = (UBYTE) (value) \
+)
+
+#define SET_UDP_LEN(ip_header,value) (\
+  ((UBYTE*)(ip_header))[24] = (UBYTE) ((value)>>8), \
+  ((UBYTE*)(ip_header))[25] = (UBYTE) (value) \
+)
+
+#define SET_UDP_CHKSUM(ip_header,offset,value) (\
+  ((UBYTE*)(ip_header))[(offset)+6] = (UBYTE) (value), \
+  ((UBYTE*)(ip_header))[(offset)+7] = (UBYTE) ((value)>>8) \
+) /* please take note of the reversed byte order */
+
+#define RESET_UDP_CHKSUM(ip_header,offset) (\
+  ((UBYTE*)(ip_header))[(offset)+6] = 0, \
+  ((UBYTE*)(ip_header))[(offset)+7] = 0 \
+)
+
+#define GET_UDP_SRC_PORT(ip_header,offset) (\
+  ((UBYTE*)(ip_header))[offset]<<8 | ((UBYTE*)(ip_header))[(offset)+1] \
+)
+
+#define GET_UDP_DST_PORT(ip_header,offset) (\
+  ((UBYTE*)(ip_header))[(offset)+2]<<8 | ((UBYTE*)(ip_header))[(offset)+3] \
+)
+
+#define GET_UDP_LEN(ip_header,offset) (\
+  ((UBYTE*)(ip_header))[(offset)+4]<<8 | ((UBYTE*)(ip_header))[(offset)+5] \
+)
+
+#define GET_UDP_CHK_SUM(ip_header,offset) (\
+  ((UBYTE*)(ip_header))[(offset)+6] | ((UBYTE*)(ip_header))[(offset)+7]<<8 \
+) /* please take note of the reversed byte order */
+
+/*---- Macros for the UDP pseudo header -----------------------------------*/
+
+#define SET_UDP_PSEUDO_H_SRC_ADDR(ip_header,value) (\
+  ((UBYTE*)(ip_header))[0] = (UBYTE) ((value)>>24), \
+  ((UBYTE*)(ip_header))[1] = (UBYTE) ((value)>>16), \
+  ((UBYTE*)(ip_header))[2] = (UBYTE) ((value)>>8), \
+  ((UBYTE*)(ip_header))[3] = (UBYTE) (value) \
+)
+
+#define SET_UDP_PSEUDO_H_DEST_ADDR(ip_header,value) (\
+  ((UBYTE*)(ip_header))[4] = (UBYTE) ((value)>>24), \
+  ((UBYTE*)(ip_header))[5] = (UBYTE) ((value)>>16), \
+  ((UBYTE*)(ip_header))[6] = (UBYTE) ((value)>>8), \
+  ((UBYTE*)(ip_header))[7] = (UBYTE) (value) \
+)
+
+#define SET_UDP_PSEUDO_H_ZERO(ip_header,value) (\
+  ((UBYTE*)(ip_header))[8] = (UBYTE) (value) \
+)
+
+#define SET_UDP_PSEUDO_H_PROT(ip_header,value) (\
+  ((UBYTE*)(ip_header))[9] = (UBYTE) (value) \
+)
+
+#define SET_UDP_PSEUDO_H_LEN(ip_header,value) (\
+  ((UBYTE*)(ip_header))[10] = (UBYTE) ((value)>>8), \
+  ((UBYTE*)(ip_header))[11] = (UBYTE) (value) \
+)
+
+/*---- Macros for the ICMP header -----------------------------------------*/
+
+#define SET_ICMP_TYPE(ip_header,value,offset) (\
+  ((UBYTE*)(ip_header))[offset] = (UBYTE) (value) \
+)
+
+#define SET_ICMP_CODE(ip_header,value,offset) (\
+  ((UBYTE*)(ip_header))[(offset)+1] = (UBYTE) (value) \
+)
+
+#define SET_ICMP_CHK_SUM(ip_header,value,offset) (\
+  ((UBYTE*)(ip_header))[(offset)+2] = (UBYTE) (value), \
+  ((UBYTE*)(ip_header))[(offset)+3] = (UBYTE) ((value)>>8) \
+) /* please take note of the reversed byte order */
+
+#define RESET_ICMP_CHK_SUM(ip_header,offset) (\
+  ((UBYTE*)(ip_header))[(offset)+2] = 0, \
+  ((UBYTE*)(ip_header))[(offset)+3] = 0 \
+)
+
+#define SET_ICMP_IDENT(ip_header,value,offset) (\
+  ((UBYTE*)(ip_header))[(offset)+4] = (UBYTE) ((value)>>8), \
+  ((UBYTE*)(ip_header))[(offset)+5] = (UBYTE) (value) \
+)
+
+#define SET_ICMP_SEQ_NR(ip_header,value,offset) (\
+  ((UBYTE*)(ip_header))[(offset)+6] = (UBYTE) ((value)>>8), \
+  ((UBYTE*)(ip_header))[(offset)+7] = (UBYTE) (value) \
+)
+
+#define GET_ICMP_TYPE(ip_header,offset) (\
+  ((UBYTE*)(ip_header))[offset] \
+)
+
+#define GET_ICMP_CODE(ip_header,offset) (\
+  ((UBYTE*)(ip_header))[(offset)+1] \
+)
+
+#define GET_ICMP_CHK_SUM(ip_header,offset) (\
+  ((UBYTE*)(ip_header))[(offset)+2] | ((UBYTE*)(ip_header))[(offset)+3]<<8 \
+) /* please take note of the reversed byte order */
+
+#define GET_ICMP_IDENT(ip_header,offset) (\
+  ((UBYTE*)(ip_header))[(offset)+4]<<8 | ((UBYTE*)(ip_header))[(offset)+5] \
+)
+
+#define GET_ICMP_SEQ_NR(ip_header,offset) (\
+  ((UBYTE*)(ip_header))[(offset)+6]<<8 | ((UBYTE*)(ip_header))[(offset)+7] \
+)
+
+/*---- Constants ----------------------------------------------------------*/
+
+/* Types of primitives */
+
+#define P_DTI_READY_IND            0
+#define P_DTI_DATA_REQ             1
+#define P_DTI_GETDATA_REQ          2
+#define P_DTI_DATA_IND             3
+#define P_IP_ADDR_CNF              4
+#define P_UDP_ERROR_RES            5
+#define P_UDP_GETDATA_REQ          6
+#define P_UDP_BIND_REQ             7
+#define P_UDP_CONFIG_REQ           8
+#define P_UDPA_CONFIG_REQ          9
+#define P_DTI_DATA_TEST_IND       10
+#define P_DTI_DATA_TEST_REQ       11
+#define P_UDP_CLOSEPORT_REQ       12
+#define P_TIMER_REASSEMBLY        13
+#define P_UDPA_ACTIVATE_REQ       14
+
+/* For building packets */
+
+#define B_NORMAL_PACKET            1 /* Build normal packet */
+#define B_SEGMENT                  2 /* Build segment packet */
+#define B_ICMP_ECHO                3 /* Build ICMP echo packet */
+#define B_ICMP_ECHO_REPLY          4 /* Build ICMP echo reply packet */
+#define B_ICMP_TTL_0               5 /* Build TTL packet */
+#define B_ICMP_NO_FORWARD          6 /* Build ICMP when no forward */
+#define B_IP_FORWARD               7 /* Build packet forward */
+#define B_ICMP_TIME_EX             8 /* Time exceeded by segmenting */
+#define B_ICMP_PACKET              9 /* ICMP packet */
+#define B_NO_DEST_PORT            10 /* No destination port */
+#define B_ICMP_REASSEMBLE_TIMEOUT 11 /* Build ICMP when timeout reassembly */
+
+#define BUILD_NO_PACKET            0 /* No packet shall be built */
+
+/* For IP packet header */
+
+#define IP_VERSION                 4 /* IP version number */
+#define ICMP_PROT                  1 /* ICMP protocol */
+#define UDP_PROT                  17 /* UDP protocol */
+#define DL_SEGMENT                 1 /* DL segment */
+#define NORMAL_SERVICE             0 /* No services */
+#define NO_SEGMENT_ID              0 /* No segment ID */
+#define START_SEGMENT_ID           0 /* Offset for identity segmenting */
+#define IDENTITY_0                 0 /* Identity set to zero */
+#define FLAG_NOT_SET               0 /* Flag zero */
+#define FLAG_SET                   1 /* Flag one */
+#define NO_OFFSET_FRAG             0 /* No offset for fragmenting */
+#define STANDARD_TTL              64 /* Standard TTL by initialisation */
+#define LEN_IP_HEADER_B           20 /* Minimum length of IP header in bytes */
+
+/* ICMP messages */
+
+#define ICMP_ECHO_REPLY            0 /* ICMP ping reply */
+#define LEN_ICMP_ECHO_REPLY       64 /* Datagram ICMP echo reply in bytes */
+#define LEN_ICMP_TIMEOUT         128 /* Datagram ICMP timeout in bytes */
+
+#define ICMP_CODE_ECHO_REPLY       0 /* ICMP ping reply */
+#define ICMP_CODE_NO_HOST          1 /* No destination host*/
+#define ICMP_CODE_NO_FORWARD       0 /* No forward route */
+#define ICMP_CODE_NO_PORT          3 /* No destination port */
+#define ICMP_CODE_FRAGM_TIME_EXC   1 /* Reassembly time exceeded */
+
+#define ICMP_TYP_DEST_URECHBL      3 /* Cannot reach the destination */
+#define ICMP_TYP_ECHO_REPLY        0 /* Ping request type */
+#define ICMP_TYP_ECHO              8 /* Ping */
+#define ICMP_TYP_TIME_EXCEDED     11 /* Timeout or TTL is 0 */
+
+/* For UDP packet header */
+
+#define LEN_UDP_HEADER_B           8 /* Length of UDP header in bytes */
+
+/* For init */
+
+#define NO_TUI                     0
+#define NO_CH_ID                   0
+#define NO_ADDR                    0
+#define NO_PORT                    0
+#define NO_PROT_ID                 0
+#define NO_MTU                     0
+#define INIT_NETMASK               0
+#define NO_ID_REASSBL              0
+#define NO_PROT_REASSBL            0
+#define NO_TIMER                   0
+
+/*---- Prototypes ---------------------------------------------------------*/
+
+void table_state_tui (
+  void * primitive,
+  UBYTE typ,
+  UBYTE * akt_layer
+);
+
+void free_dti_data_req (T_DTI2_DATA_REQ ** dti_data_req);
+
+void free_dti_data_ind (T_DTI2_DATA_IND ** dti_data_ind);
+
+/* The following functions are actually defined in the UDP module.
+ * Due to unfortunate decisions in the past they must still be
+ * declared here redundantly, but should really be declared in a
+ * common include file. No time to fix this now, though.
+ * [ni 2002-06-18]
+ */
+
+/** Computes the internet checksum [RFC 1071] over a data block.
+ *
+ * @param block          pointer to data block
+ * @param len            length of the block in octets
+ * @return the checksum
+ */
+USHORT inet_checksum (UBYTE * block, USHORT len);
+
+/** Computes the internet checksum over a DTI descriptor list. There
+ * may be a value from a previous partial calculation that is added to
+ * the sum as a start value. The function relies on the data length
+ * being at least start_offset.
+ *
+ * @param dlist          descriptor list containing the data
+ * @param start_offset   beginning position of interesting data
+ * @param start_value    value from previous partial checksum calculation
+ * @return the checksum value
+ */
+USHORT desc_checksum (
+  T_desc_list2 * dlist,
+  USHORT start_offset,
+  ULONG start_value
+);
+
+void del_rest_descs (T_desc_list2 * desc_list, T_desc2 * desc);
+
+void put_desc_last_pos (T_desc_list2 * desc_list, T_desc2 * desc);
+
+void put_desc_first_pos (T_desc_list2 * desc_list, T_desc2 * desc_new);
+
+void build_icmp_with_payload (
+  T_DTI2_DATA_REQ * data_req,
+  USHORT identity,
+  UBYTE ttl,
+  ULONG src_addr,
+  UBYTE icmp_type,
+  UBYTE icmp_code
+);
+
+void set_desc_len (
+  T_desc_list2 * desc_list,
+  T_desc2 * desc,
+  USHORT len_desc
+);
+
+void copy_from_descs_to_desc (
+  T_desc2 ** desc,
+  T_desc2 * desc_new,
+  USHORT copy_len,
+  USHORT offset_desc,
+  USHORT offset_desc_new,
+  USHORT * pos_copy,
+  USHORT * total_len_copy
+);
+
+void del_descs (T_desc2 * p_desc);
+
+void build_icmp_packet (
+  USHORT header_len_b,
+  UBYTE typ,
+  UBYTE code,
+  UBYTE ttl,
+  UBYTE * ip_header,
+  USHORT identity,
+  ULONG dest_addr,
+  ULONG src_addr,
+  T_desc_list2 * desc_list
+);
+
+void build_ip_header (
+  UBYTE * ip_header_new,
+  USHORT identity,
+  UBYTE header_len,
+  UBYTE type_of_service,
+  UBYTE ttl,
+  ULONG src_addr,
+  ULONG dest_addr,
+  USHORT total_len,
+  USHORT fragm_offset,
+  UBYTE df_flag,
+  UBYTE mf_flag,
+  UBYTE prot
+);
+
+void truncate_descs (T_desc_list2 * p_desc_list, USHORT new_length);
+
+void free_primitive_data_ind (T_DTI2_DATA_IND ** dti_data_ind);
+
+void free_primitive_data_req (T_DTI2_DATA_REQ ** dti_data_req);
+
+ULONG partial_checksum (UBYTE * block, USHORT len);
+
+/*-------------------------------------------------------------------------*/
+
+#endif /* IP_UDP_H */
+
+/*-------------------------------------------------------------------------*/
+