2005-01-07 01:45:51 +00:00
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/*-
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1998-09-15 08:23:17 +00:00
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*
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* ===================================
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* HARP | Host ATM Research Platform
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* ===================================
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*
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*
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* This Host ATM Research Platform ("HARP") file (the "Software") is
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* made available by Network Computing Services, Inc. ("NetworkCS")
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* "AS IS". NetworkCS does not provide maintenance, improvements or
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* support of any kind.
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*
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* NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
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* INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
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* SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
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* In no event shall NetworkCS be responsible for any damages, including
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* but not limited to consequential damages, arising from or relating to
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* any use of the Software or related support.
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*
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* Copyright 1994-1998 Network Computing Services, Inc.
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*
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* Copies of this Software may be made, however, the above copyright
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* notice must be reproduced on all copies.
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*
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1999-08-28 01:08:13 +00:00
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* @(#) $FreeBSD$
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1998-09-15 08:23:17 +00:00
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*
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*/
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/*
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* Core ATM Services
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* -----------------
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*
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* ATM Services definitions
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*
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*/
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#ifndef _NETATM_ATM_SAP_H
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#define _NETATM_ATM_SAP_H
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/*
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* Service Access Point (SAP)
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*
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* A SAP specifies the definition of an interface used between two adjacent
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* layers. The SAP is named for the services the lower layer provides to
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* the upper layer.
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*
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* The types of SAPs used are:
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* Stack - defines the interfaces between stack service entities.
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* These are further divided into:
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*
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* Stack class SAP - which identifies the type of interface
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* used. All SAPs of a particular class will provide
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* the same interface services to the higher layer.
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* All stack command codes are constructed using class
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* SAP values.
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*
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* Stack instance SAP - which identifies the specific identity
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* of the layer providing the class interface.
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*/
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typedef u_short Sap_t;
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#define SAP_TYPE_MASK 0xc000
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#define SAP_TYPE_STACK 0x8000
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#define SAP_CLASS_MASK 0xff80
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#define SAP_STACK(c, i) (SAP_TYPE_STACK | ((c) << 7) | (i))
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/* Stack SAPs */
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#define SAP_ATM SAP_STACK(1, 0) /* ATM cell */
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#define SAP_SAR SAP_STACK(2, 0) /* AAL SAR */
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#define SAP_SAR_AAL3_4 SAP_STACK(2, 3) /* AAL3/4 SAR */
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#define SAP_SAR_AAL5 SAP_STACK(2, 5) /* AAL5 SAR */
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#define SAP_CPCS SAP_STACK(3, 0) /* AAL CPCS */
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#define SAP_CPCS_AAL3_4 SAP_STACK(3, 3) /* AAL3/4 CPCS */
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#define SAP_CPCS_AAL5 SAP_STACK(3, 5) /* AAL5 CPCS */
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#define SAP_SSCOP SAP_STACK(4, 0) /* ITU Q.2110 */
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#define SAP_SSCF_UNI SAP_STACK(5, 0) /* ITU Q.2130 */
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#define SAP_SSCF_NNI SAP_STACK(6, 0) /* ITU Q.2140 */
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#endif /* _NETATM_ATM_SAP_H */
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