Int 7A - Novell Netware - Ipx Driver - Send Packet [N]
BX = 0003h
ES:SI -> Event Control Block (see #3481,#3482)
Notes: returns immediately; IPX attempts to send the packet in the background
this function is supported by Advanced NetWare 1.02+
this function is nearly identical to BX=000Fh, except that it always
copies the source address into the IPX header assumed to be at the
beginning of the first fragment
See Also: BX=0004h,BX=000Fh,INT 21/AH=EEh"Novell"
Format of IPX Event Control Block:
Offset Size Description (Table 3481)
00h DWORD Link
04h DWORD -> Event Service Routine (00000000h if none) (see #3485)
08h BYTE in use flag (see #3483)
09h BYTE completion code (see #3484)
0Ah WORD (big-endian) socket number (see #3480)
0Ch 4 BYTEs IPX workspace
10h 12 BYTEs driver workspace
1Ch 6 BYTEs immediate local node address
22h WORD fragment count
24h var fragment descriptors
Offset Size Description
00h DWORD -> fragment data
04h WORD size of fragment in bytes.
Notes: ESR is a far procedure that is called when the ECB has been handled.
On call, the in use flag is zero if the ECB has been handled,
non-zero otherwise. If the flag is zero, the completion code holds
the result of the event.
the first fragment should start with an IPX header (see #3486)
all fragments are concatenated and sent in one piece
node address FFh FFh FFh FFh FFh FFh broadcasts to all nodes
See Also: #3482
Format of AES-ECB:
Offset Size Description (Table 3482)
00h DWORD Link
04h DWORD ESR (Event Service Routine) address (see #3485)
08h BYTE in use flag (see #3483)
09h 5 BYTEs AES workspace
See Also: #3481
(Table 3483)
Values for ECB in use flag:
00h available
E0h AES temporary
F6h \ special IPX/SPX processing for v3.02+
F7h /
F8h IPX in critical section
F9h SPX listening
FAh processing
FBh holding
FCh AES waiting
FDh AES couting down delay time
FEh awaiting packet reception
FFh sending packet
See Also: #3481,#3482,#3484
(Table 3484)
Values for ECB completion code:
00h success
ECh remote terminated connection without acknowledging packet
EDh abnormal connection termination
EEh invalid connection ID
EFh SPX connection table full
F9h event should not be cancelled
FAh cannot establish connection with specified destination
FCh cancelled
FDh malformed packet
FEh packet undeliverable
FFh physical error
See Also: #3481,#3483
(Table 3485)
Values Event Service Routine is called with:
AL = caller's identity (00h = AES, FFh = IPX)
ES:SI -> event control block
interrupts disabled
Return: all registers preserved
See Also: #3481,#3486
Format of IPX header:
Offset Size Description (Table 3486)
00h WORD (big-endian) checksum
02h WORD (big-endian) length in bytes of total packet
04h BYTE transport control
05h BYTE packet type (see #3487)
06h 10 BYTEs destination internetwork address
10h WORD (big-endian) destination socket
12h 10 BYTEs source internetwork address
1Ch WORD (big-endian) source socket
Notes: an IPX packet has the identical format as a Xerox Network Standard
(XNS) packet
the application must set packet type, destination address, and
destination socket; IPX/SPX set the remaining fields
See Also: #3481,#3497
(Table 3487)
Values for IPX packet type:
00h unknown packet type
01h routing information packet
02h echo packet
03h error packet
04h packet exchange packet (always use this one for data)
05h SPX packet (see #3497)
11h NetWare Core Protocol (also used by Service Advertising Protocol)
14h Propagated Packet (for NetWare), NetBIOS name packet
15h-1Eh experimental protocols
Note: undocumented packet type 14h will cross up to 16 networks deep in
all directions; as Aaron Martin of Origin Systems discovered, the
first 64 bytes of the IPX data in such packets should be considered
reserved, as IPX places the traversed server nodes there.
Format of Service Advertising Protocol Service Query Packet:
Offset Size Description (Table 3488)
00h 30 BYTEs IPX header
1Eh WORD (big-endian) query type
0001h general find service
0003h find nearest server
20h WORD (big-endian) server type
(see #1578 at INT 21/AH=E3h"CONNECTION CONTROL")
See Also: #3489
Format of Service Advertising Protocol Server Identification Packet:
Offset Size Description (Table 3489)
00h 30 BYTEs IPX header
1Eh WORD (big-endian) response type
0002h general service
0004h nearest service
20h 64N BYTEs server entries (1-7) (see #3490)
See Also: #3488,#3491
Format of SAP server entry:
Offset Size Description (Table 3490)
00h WORD (big-endian) server type
(see #1578 at INT 21/AH=E3h"CONNECTION CONTROL")
02h 48 BYTEs ASCIZ server name
32h 2 WORDs (big-endian) network number
34h 3 WORDs (big-endian) node number
3Ch WORD (big-endian) socket number
3Eh WORD (big-endian) number of hops between caller and server
10h = Server Shutdown Advertising Packet
See Also: #3489
Format of IPX Routing Information packet:
Offset Size Description (Table 3491)
00h 30 BYTEs IPX header
1Eh WORD operation (0001h request, 0002h response)
20h 8N BYTEs network entries (1-50) (see #3492)
See Also: #3489
Format of RIP network entry:
Offset Size Description (Table 3492)
00h DWORD network number (FFFFFFFFh = general request)
04h WORD (response) number of hops
06h WORD (response) number of clock ticks to reach destination