7 This is the stack SAP interface between an AAL CPCS provider and an AAL CPCS
8 user. The stack commands defined for this interface are modeled after the
9 AAL3/4 and AAL5 protocol specification primitives CPCS-xxx. See the protocol
10 specification documents referenced below for full descriptions of the CPCS
14 o The following stack commands are sent from a CPCS user to the CPCS provider:
16 Stack Command: CPCS_INIT
17 Description: Initialize a SAP instance. This should be the first stack
18 command issued across the SAP instance after the service stack
19 has been successfully instantiated.
24 Stack Command: CPCS_TERM
25 Description: Terminate a SAP instance. This must be the last stack command
26 issued across the SAP instance. The stack instance will be
27 deleted upon completion of this command.
32 Stack Command: CPCS_UNITDATA_INV
33 Description: Request that an SDU be sent to the remote AAL user.
34 Argument 1: Pointer to an mbuf chain containing the user SDU.
39 Stack Command: CPCS_UABORT_INV
40 Description: Not supported.
45 o The following stack commands are sent from the CPCS provider to a CPCS user:
47 Stack Command: CPCS_UNITDATA_SIG
48 Description: Indication that an SDU has been received from the remote AAL
50 Argument 1: Pointer to an mbuf chain containing the peer's SDU.
55 Stack Command: CPCS_UABORT_SIG
56 Description: Not supported.
61 Stack Command: CPCS_PABORT_SIG
62 Description: Not supported.
68 Protocol Specifications
69 -----------------------
74 Implementation Limitations
75 --------------------------
76 o The CPCS-LP, CPCS-CI and CPCS-UU parameters are not supported.
78 o The Streaming Mode service is not supported.
80 o The Abort service is not supported.
83 @(#) $FreeBSD: src/share/examples/atm/cpcs-design.txt,v 1.2 1999/08/28 00:19:07 peter Exp $
84 @(#) $DragonFly: src/share/examples/atm/cpcs-design.txt,v 1.2 2003/06/17 04:36:57 dillon Exp $