WebSVN – HelenOS – Diff – /branches/network/uspace/srv/net/include/protocol_map.h


/*
 * Copyright (c) 2009 Lukas Mejdrech
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
/** @addtogroup net_nil
 *  @{
 */
 
/** @file
 *  Internetwork layer services - network interface layer service type translation.
 */
 
#ifndef __NET_PROTOCOL_MAP_H__
#define __NET_PROTOCOL_MAP_H__
 
#include <ipc/services.h>
 
#include "ethernet_lsap.h"
#include "ethernet_protocols.h"
#include "hardware.h"
 
/** Maps the internetwork layer service to the network interface layer type.
 *  @param nil Network interface layer service. Input parameter.
 *  @param il Internetwork layer service. Input parameter.
 *  @returns Network interface layer type of the internetworking layer service.
 *  @returns 0 if mapping is not found.
 */
static inline int protocol_map( services_t nil, services_t il ){
    switch( nil ){
        case SERVICE_ETHERNET:
        case SERVICE_DP8390:
            switch( il ){
                case SERVICE_IP:
                    return ETH_P_IP;
                case SERVICE_ARP:
                    return ETH_P_ARP;
                default:
                    return 0;
            }
        default:
            return 0;
    }
}
 
/** Maps the network interface layer type to the internetwork layer service.
 *  @param nil Network interface layer service. Input parameter.
 *  @param protocol Network interface layer type. Input parameter.
 *  @returns Internetwork layer service of the network interface layer type.
 *  @returns 0 if mapping is not found.
 */
static inline services_t protocol_unmap( services_t nil, int protocol ){
    switch( nil ){
        case SERVICE_ETHERNET:
        case SERVICE_DP8390:
            switch( protocol ){
                case ETH_P_IP:
                    return SERVICE_IP;
                case ETH_P_ARP:
                    return SERVICE_ARP;
                default:
                    return 0;
            }
        default:
            return 0;
    }
}
 
/** Maps the link service access point identifier to the Ethernet protocol identifier.
 *  @param lsap Link service access point identifier. Input parameter.
 *  @returns Ethernet protocol identifier of the link service access point identifier.
 *  @returns ETH_LSAP_NULL if mapping is not found.
 */
static inline int lsap_map( int lsap ){
    switch( lsap ){
        case ETH_LSAP_IP:
            return ETH_P_IP;
        case ETH_LSAP_ARP:
            return ETH_P_ARP;
        default:
            return ETH_LSAP_NULL;
    }
}
 
/** Maps the network interface layer services to the hardware types.
 *  @param nil The network interface service. Input parameter.
 *  @returns The hardware type of the network interface service.
 *  @returns 0 if mapping is not found.
 */
static inline int hardware_map( services_t nil ){
    switch( nil ){
        case SERVICE_ETHERNET:
        case SERVICE_DP8390:
            return HW_ETHER;
        default:
            return 0;
    }
}
 
#endif
 
/** @}
 */
 

Rev 4350	Rev 4351
1	/*	1	/*
2	* Copyright (c) 2009 Lukas Mejdrech	2	* Copyright (c) 2009 Lukas Mejdrech
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup net_nil	29	/** @addtogroup net_nil
30	* @{	30	* @{
31	*/	31	*/
32		32
33	/** @file	33	/** @file
34	* Internetwork layer services - network interface layer service type translation.	34	* Internetwork layer services - network interface layer service type translation.
35	*/	35	*/
36		36
37	#ifndef __NET_PROTOCOL_MAP_H__	37	#ifndef __NET_PROTOCOL_MAP_H__
38	#define __NET_PROTOCOL_MAP_H__	38	#define __NET_PROTOCOL_MAP_H__
39		39
40	#include <ipc/services.h>	40	#include <ipc/services.h>
41		41
42	#include "ethernet_lsap.h"	42	#include "ethernet_lsap.h"
43	#include "ethernet_protocols.h"	43	#include "ethernet_protocols.h"
44	#include "hardware.h"	44	#include "hardware.h"
45		45
46	/** Maps the internetwork layer service to the network interface layer type.	46	/** Maps the internetwork layer service to the network interface layer type.
47	* @param nil Network interface layer service. Input parameter.	47	* @param nil Network interface layer service. Input parameter.
48	* @param il Internetwork layer service. Input parameter.	48	* @param il Internetwork layer service. Input parameter.
49	* @returns Network interface layer type of the internetworking layer service.	49	* @returns Network interface layer type of the internetworking layer service.
50	* @returns 0 if mapping is not found.	50	* @returns 0 if mapping is not found.
51	*/	51	*/
52	static inline int protocol_map( services_t nil, services_t il ){	52	static inline int protocol_map( services_t nil, services_t il ){
53	switch( nil ){	53	switch( nil ){
54	case SERVICE_ETHERNET:	54	case SERVICE_ETHERNET:
-		55	case SERVICE_DP8390:
55	switch( il ){	56	switch( il ){
56	case SERVICE_IP:	57	case SERVICE_IP:
57	return ETH_P_IP;	58	return ETH_P_IP;
58	case SERVICE_ARP:	59	case SERVICE_ARP:
59	return ETH_P_ARP;	60	return ETH_P_ARP;
60	default:	61	default:
61	return 0;	62	return 0;
62	}	63	}
63	default:	64	default:
64	return 0;	65	return 0;
65	}	66	}
66	}	67	}
67		68
68	/** Maps the network interface layer type to the internetwork layer service.	69	/** Maps the network interface layer type to the internetwork layer service.
69	* @param nil Network interface layer service. Input parameter.	70	* @param nil Network interface layer service. Input parameter.
70	* @param protocol Network interface layer type. Input parameter.	71	* @param protocol Network interface layer type. Input parameter.
71	* @returns Internetwork layer service of the network interface layer type.	72	* @returns Internetwork layer service of the network interface layer type.
72	* @returns 0 if mapping is not found.	73	* @returns 0 if mapping is not found.
73	*/	74	*/
74	static inline services_t protocol_unmap( services_t nil, int protocol ){	75	static inline services_t protocol_unmap( services_t nil, int protocol ){
75	switch( nil ){	76	switch( nil ){
76	case SERVICE_ETHERNET:	77	case SERVICE_ETHERNET:
-		78	case SERVICE_DP8390:
77	switch( protocol ){	79	switch( protocol ){
78	case ETH_P_IP:	80	case ETH_P_IP:
79	return SERVICE_IP;	81	return SERVICE_IP;
80	case ETH_P_ARP:	82	case ETH_P_ARP:
81	return SERVICE_ARP;	83	return SERVICE_ARP;
82	default:	84	default:
83	return 0;	85	return 0;
84	}	86	}
85	default:	87	default:
86	return 0;	88	return 0;
87	}	89	}
88	}	90	}
89		91
90	/** Maps the link service access point identifier to the Ethernet protocol identifier.	92	/** Maps the link service access point identifier to the Ethernet protocol identifier.
91	* @param lsap Link service access point identifier. Input parameter.	93	* @param lsap Link service access point identifier. Input parameter.
92	* @returns Ethernet protocol identifier of the link service access point identifier.	94	* @returns Ethernet protocol identifier of the link service access point identifier.
93	* @returns ETH_LSAP_NULL if mapping is not found.	95	* @returns ETH_LSAP_NULL if mapping is not found.
94	*/	96	*/
95	static inline int lsap_map( int lsap ){	97	static inline int lsap_map( int lsap ){
96	switch( lsap ){	98	switch( lsap ){
97	case ETH_LSAP_IP:	99	case ETH_LSAP_IP:
98	return ETH_P_IP;	100	return ETH_P_IP;
99	case ETH_LSAP_ARP:	101	case ETH_LSAP_ARP:
100	return ETH_P_ARP;	102	return ETH_P_ARP;
101	default:	103	default:
102	return ETH_LSAP_NULL;	104	return ETH_LSAP_NULL;
103	}	105	}
104	}	106	}
105		107
106	/** Maps the network interface layer services to the hardware types.	108	/** Maps the network interface layer services to the hardware types.
107	* @param nil The network interface service. Input parameter.	109	* @param nil The network interface service. Input parameter.
108	* @returns The hardware type of the network interface service.	110	* @returns The hardware type of the network interface service.
109	* @returns 0 if mapping is not found.	111	* @returns 0 if mapping is not found.
110	*/	112	*/
111	static inline int hardware_map( services_t nil ){	113	static inline int hardware_map( services_t nil ){
112	switch( nil ){	114	switch( nil ){
113	case SERVICE_ETHERNET:	115	case SERVICE_ETHERNET:
114	case SERVICE_DP8390:	116	case SERVICE_DP8390:
115	return HW_ETHER;	117	return HW_ETHER;
116	default:	118	default:
117	return 0;	119	return 0;
118	}	120	}
119	}	121	}
120		122
121	#endif	123	#endif
122		124
123	/** @}	125	/** @}
124	*/	126	*/
125		127

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(root)/branches/network/uspace/srv/net/include/protocol_map.h – Rev 4350 → 4351