INT 2F - Novell NetWare - TCP/IPThe protocol suite originally developed by DARPA for use on its ARPAnet network, which is now known as the Internet. See also IP, TCP. Protocol Stack - INSTALLATION CHECK AX = 7A40h Return: AX = 7AFFh if installed 0000h:BX = address of interrupt vector for MLID ISR CX = version (CH=major, CL=minor) DX = 0000h ES:DI -> entry point for TCP/IPThe protocol suite originally developed by DARPA for use on its ARPAnet network, which is now known as the Internet. See also IP, TCP. stack (see #02903) Notes: Novell's LAN Workplace for DOS TCPIP.EXE also supports this interface this function is also supported by the Beame&Whiteside BWLWP40 shim, but it only returns AL and ES:DI, and does not support AX=7A41h SeeAlso: AX=7A41h,INT 15/AX=DE2Eh,INT 60"Excelan" (Table 02902) Values for NetWare TCP/IPThe protocol suite originally developed by DARPA for use on its ARPAnet network, which is now known as the Internet. See also IP, TCP. function code: 01h "accept" accept a network connection request 02h "bind" associate an address with a socket 03h close socket Call: socket number field set 04h "connect" connect to a remote host 05h "getmyipaddr" get IP(Internet Protocol) The lower level (transport layer) of the TCP/IP protocol suite. See also TCP, TCP/IP. address Call: socket number field in sockaddr set to 0000h 06h "getmymacaddr" get hardware address 07h "getpeername" 08h "getsockname" get socket name 09h "getsockopt" get socket options 0Ah "getsubnetmask" get subnet mask 0Bh "ioctl" 0Ch "listen" wait for connection request on socket 0Dh "select" Return: socket bitmap updated (1=active) 0Eh "setmyipaddr" (obsolete) set IP(Internet Protocol) The lower level (transport layer) of the TCP/IP protocol suite. See also TCP, TCP/IP. address 0Fh "setsockopt" set socket options 10h "shutdown" 11h "socket" open socket Call: socket number field set to 0000h Return: socket number set 12h "recv" get data from peer 13h "recvfrom" get data from specified remote host Call: socket number set packet length and buffer descriptors set Return: packet length and receive buffers updated sockaddr field set to source port number + IP(Internet Protocol) The lower level (transport layer) of the TCP/IP protocol suite. See also TCP, TCP/IP. address 14h "send" write data to socket 15h "sendto" write data to specified recipient Call: socket number set flags at offset 18h = 0000h packet length and buffer descriptors set ---v4.02+ --- 16h get BOOTP data Return: BOOTP data stored in parameter block (see #02906) 17h "getsnmpinfo" 18h "getpathinfo" get/set configuration??? ---v4.??? --- 19h "getifn" get interface number 1Ah "setipinfo" set IP(Internet Protocol) The lower level (transport layer) of the TCP/IP protocol suite. See also TCP, TCP/IP. information 1Bh "getipinfo" get IP(Internet Protocol) The lower level (transport layer) of the TCP/IP protocol suite. See also TCP, TCP/IP. information 1Ch "setdnsinfo" set DNS information 1Dh "getdnsinfo" get DNS information 1Eh "setroutes" set/modify route entry(ies) 1Fh "getroutes" get route entry(ies) 20h "removeroutes" remove route entry(ies) 21h "setarpe" set/modify ARP entry(ies) 22h "getarpe" get ARP entry(ies) 23h "removearpe" remove ARP entry(ies) Notes: these functions are based on the Unix socket interface OR function number with 80h to call ESR SeeAlso: #02904 (Table 02903) Call NetWare TCP/IPThe protocol suite originally developed by DARPA for use on its ARPAnet network, which is now known as the Internet. See also IP, TCP. entry point with: ES:SI -> parameter block (see #02904) Return: ES:SI parameter block updated DX may be destroyed Format of NetWare TCP/IPThe protocol suite originally developed by DARPA for use on its ARPAnet network, which is now known as the Internet. See also IP, TCP. Request Control Block (RCB): Offset Size Description (Table 02904) 00h DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. -> next RCB 04h DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. -> previous RCB 08h DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. -> FAR post routine called if bit 7 of function code set 0Ch BYTE flags (internal use) bit 0: request in progress bit 1: posted bit 2: Windows bit 3: "PROTBUF" bit 4: "ABORTRCB" for Ctrl-Break handling bit 5: call INT 21/AX=0B00h while blocking 0Dh 7 BYTEs ??? 14h BYTE (ret) temporary result code 15h BYTE (call) function code (bit 7 set if non-blocking) (see #02902) 16h BYTE socket number 17h BYTE (ret) result or error code (see #02905) ---accept/bind/connect/getmyipaddr/getpeername/getsockname commands--- 18h sockaddr structure (WORD port + DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. IP(Internet Protocol) The lower level (transport layer) of the TCP/IP protocol suite. See also TCP, TCP/IP. address) ---close comand--- no additional fields ---getmymacaddr command--- 18h 6 BYTEs low-level hardware network address ---BOOTP command--- 18h 64 BYTEs BOOTP VSA data (see #02906) ---getpathinfo command 18h 8 BYTEs key "TCP_CFG" used by PING.EXE 20h 128 BYTEs path A0h WORD length of path in previous field ---getsockopt/setsockopt commands--- 18h WORD option name 0004h SO_REUSEADDR 0008h SO_KEEPALIVE 0080h SO_LINGER 1Ah WORD option value 1Ch WORD "linger" ---getsubnetmask command--- 18h DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. sockaddr structure (WORD port + DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. subnet mask) ---ioctl command--- 18h DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. argument value 1Ch WORD ioctl number ---listen command--- 18h WORD maximum allowable connection backlog ---select command--- 18h WORD number of sockets 1Ah fd_set readfds (bitmap of sockets) fd_set writefds fd_set expectionfds DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. timeout in clock ticks ---shutdown command--- 18h WORD shutdown type ---socket command--- 18h WORD protocol (1 = ICMP, 6 = TCP(Transmission Control Protocol) A higher level (session layer) of the TCP/IP protocol suite. See also IP, TCP/IP., 17 = UDP) ---I/O commands (recv,recvfrom,send,sendto)--- 18h WORD flags 1Ah 6 BYTEs sockaddr from/to WORD port number DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. IP(Internet Protocol) The lower level (transport layer) of the TCP/IP protocol suite. See also TCP, TCP/IP. address 20h WORD length of packet sent/received 22h WORD number of pointer/length pairs following (max 8) 24h 6N BYTEs buffer descriptors, each Offset Size Description 00h DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. pointer to buffer 04h WORD length of buffer ---getsnmpinfo command--- 18h DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. (ret) -> ??? data in TCPIP code segment --getifn command--- 18h WORD interface number 1Ah WORD MLID instance number 1Ch 128 BYTEs MLID name ---getipinfo/setipinfo commands--- 18h WORD interface number (00h = default) 1Ah DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. IP(Internet Protocol) The lower level (transport layer) of the TCP/IP protocol suite. See also TCP, TCP/IP. address 1Eh DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. IP(Internet Protocol) The lower level (transport layer) of the TCP/IP protocol suite. See also TCP, TCP/IP. netmask 22h 3 DWORDs router addresses (00000000h = unused entry) ---getdnsinfo/setdnsinfo commands--- 18h WORD interface number (00h = default) 1Ah 3 DWORDs name server IP(Internet Protocol) The lower level (transport layer) of the TCP/IP protocol suite. See also TCP, TCP/IP. addresses (00000000h = unused entry) 26h 128 BYTEs domain name ---getroutes/setroutes/removeroutes commands--- 18h WORD number of route entries to follow (max 5) 1Ah 10N BYTEs route entries DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. destination host/net IP(Internet Protocol) The lower level (transport layer) of the TCP/IP protocol suite. See also TCP, TCP/IP. address DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. IP(Internet Protocol) The lower level (transport layer) of the TCP/IP protocol suite. See also TCP, TCP/IP. address of first router WORD route type ---getarpe/setarpe/removearpe commands--- 18h WORD number of ARP entries to follow (max 16) 1Ah 10N BYTEs ARP entries DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. destination IP(Internet Protocol) The lower level (transport layer) of the TCP/IP protocol suite. See also TCP, TCP/IP. address 6 BYTEs destination hardware address ---other commands--- 18h 4 WORDs parameter words 0 to 3 (see #02902 for usage) (Table 02905) Values for NetWare TCP/IPThe protocol suite originally developed by DARPA for use on its ARPAnet network, which is now known as the Internet. See also IP, TCP. status: 00h successful 04h would block 09h invalid socket 23h would block 24h operation in progress 25h already in progress 26h not a socket 27h destination address required 28h message too long 29h wrong protocol type for socket 2Ah protocol not available 2Bh protocol not supported 2Ch socket type not supported 2Dh operation not supported on socket 2Eh protocol family not supported 2Fh address family not supported by protocol family 30h address already in use 31h unable to assign requested address 32h network is down 33h network is unreachable 34h network dropped connection 35h software caused connection abort 36h connection reset by peer 37h no buffer space 38h socket is already connected 39h socket is not connected 3Ah socket is in shutdown mode 3Bh too many references 3Ch connection timed out 3Dh connection refused 3Eh too many levels of symbolic links 3Fh file name too long 40h host is down 41h host unreachable 42h protocol stack not installed 43h asynchronous operation not supported 44h synchronous operation not supported 45h no RCB available FFh blocking (call has not yet returned) SeeAlso: #02904 Format of BOOTP data (stored in parameter block): Offset Size Description (Table 02906) 18h 4 BYTEs ??? 1Ch BYTE ??? (01h) 1Dh BYTE address length (04h) 1Eh 4 BYTEs subnet mask 22h BYTE ??? (03h) 23h BYTE ??? (04h) 24h 4 BYTEs IP(Internet Protocol) The lower level (transport layer) of the TCP/IP protocol suite. See also TCP, TCP/IP. address of nearest router 28h BYTE ??? (06h) 29h BYTE length of following data (08h) 2Ah 4 BYTEs IP(Internet Protocol) The lower level (transport layer) of the TCP/IP protocol suite. See also TCP, TCP/IP. address of nameserver 1 2Eh 4 BYTEs IP(Internet Protocol) The lower level (transport layer) of the TCP/IP protocol suite. See also TCP, TCP/IP. address of nameserver 2 32h BYTE ??? (0Ch) 33h BYTE length of local name 34h N BYTEs local host name BYTE FFh (end marker) SeeAlso: #02904,#02902