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 eth_type_t 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 eth_type_t lsap_map( eth_lsap_t 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 Ethernet protocol identifier to the link service access point identifier.
 *  @param ethertype Ethernet protocol identifier. Input parameter.
 *  @returns Link service access point identifier.
 *  @returns 0 if mapping is not found.
 */
static inline eth_lsap_t lsap_unmap( eth_type_t ethertype ){
    switch( ethertype ){
        case ETH_P_IP:
            return ETH_LSAP_IP;
        case ETH_P_ARP:
            return ETH_LSAP_ARP;
        default:
            return 0;
    }
}
 
/** 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 hw_type_t hardware_map( services_t nil ){
    switch( nil ){
        case SERVICE_ETHERNET:
        case SERVICE_DP8390:
            return HW_ETHER;
        default:
            return 0;
    }
}
 
#endif
 
/** @}
 */
 

Rev 4708	Rev 4743
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 eth_type_t protocol_map( services_t nil, services_t il ){	52	static inline eth_type_t 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	case SERVICE_DP8390:
56	switch( il ){	56	switch( il ){
57	case SERVICE_IP:	57	case SERVICE_IP:
58	return ETH_P_IP;	58	return ETH_P_IP;
59	case SERVICE_ARP:	59	case SERVICE_ARP:
60	return ETH_P_ARP;	60	return ETH_P_ARP;
61	default:	61	default:
62	return 0;	62	return 0;
63	}	63	}
64	default:	64	default:
65	return 0;	65	return 0;
66	}	66	}
67	}	67	}
68		68
69	/** Maps the network interface layer type to the internetwork layer service.	69	/** Maps the network interface layer type to the internetwork layer service.
70	* @param nil Network interface layer service. Input parameter.	70	* @param nil Network interface layer service. Input parameter.
71	* @param protocol Network interface layer type. Input parameter.	71	* @param protocol Network interface layer type. Input parameter.
72	* @returns Internetwork layer service of the network interface layer type.	72	* @returns Internetwork layer service of the network interface layer type.
73	* @returns 0 if mapping is not found.	73	* @returns 0 if mapping is not found.
74	*/	74	*/
75	static inline services_t protocol_unmap( services_t nil, int protocol ){	75	static inline services_t protocol_unmap( services_t nil, int protocol ){
76	switch( nil ){	76	switch( nil ){
77	case SERVICE_ETHERNET:	77	case SERVICE_ETHERNET:
78	case SERVICE_DP8390:	78	case SERVICE_DP8390:
79	switch( protocol ){	79	switch( protocol ){
80	case ETH_P_IP:	80	case ETH_P_IP:
81	return SERVICE_IP;	81	return SERVICE_IP;
82	case ETH_P_ARP:	82	case ETH_P_ARP:
83	return SERVICE_ARP;	83	return SERVICE_ARP;
84	default:	84	default:
85	return 0;	85	return 0;
86	}	86	}
87	default:	87	default:
88	return 0;	88	return 0;
89	}	89	}
90	}	90	}
91		91
92	/** 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.
93	* @param lsap Link service access point identifier. Input parameter.	93	* @param lsap Link service access point identifier. Input parameter.
94	* @returns Ethernet protocol identifier of the link service access point identifier.	94	* @returns Ethernet protocol identifier of the link service access point identifier.
95	* @returns ETH_LSAP_NULL if mapping is not found.	95	* @returns ETH_LSAP_NULL if mapping is not found.
96	*/	96	*/
97	static inline eth_type_t lsap_map( eth_lsap_t lsap ){	97	static inline eth_type_t lsap_map( eth_lsap_t lsap ){
98	switch( lsap ){	98	switch( lsap ){
99	case ETH_LSAP_IP:	99	case ETH_LSAP_IP:
100	return ETH_P_IP;	100	return ETH_P_IP;
101	case ETH_LSAP_ARP:	101	case ETH_LSAP_ARP:
102	return ETH_P_ARP;	102	return ETH_P_ARP;
103	default:	103	default:
104	return ETH_LSAP_NULL;	104	return ETH_LSAP_NULL;
105	}	105	}
106	}	106	}
107		107
-		108	/** Maps the Ethernet protocol identifier to the link service access point identifier.
-		109	* @param ethertype Ethernet protocol identifier. Input parameter.
-		110	* @returns Link service access point identifier.
-		111	* @returns 0 if mapping is not found.
-		112	*/
-		113	static inline eth_lsap_t lsap_unmap( eth_type_t ethertype ){
-		114	switch( ethertype ){
-		115	case ETH_P_IP:
-		116	return ETH_LSAP_IP;
-		117	case ETH_P_ARP:
-		118	return ETH_LSAP_ARP;
-		119	default:
-		120	return 0;
-		121	}
-		122	}
-		123
108	/** Maps the network interface layer services to the hardware types.	124	/** Maps the network interface layer services to the hardware types.
109	* @param nil The network interface service. Input parameter.	125	* @param nil The network interface service. Input parameter.
110	* @returns The hardware type of the network interface service.	126	* @returns The hardware type of the network interface service.
111	* @returns 0 if mapping is not found.	127	* @returns 0 if mapping is not found.
112	*/	128	*/
113	static inline hw_type_t hardware_map( services_t nil ){	129	static inline hw_type_t hardware_map( services_t nil ){
114	switch( nil ){	130	switch( nil ){
115	case SERVICE_ETHERNET:	131	case SERVICE_ETHERNET:
116	case SERVICE_DP8390:	132	case SERVICE_DP8390:
117	return HW_ETHER;	133	return HW_ETHER;
118	default:	134	default:
119	return 0;	135	return 0;
120	}	136	}
121	}	137	}
122		138
123	#endif	139	#endif
124		140
125	/** @}	141	/** @}
126	*/	142	*/
127		143

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(root)/branches/network/uspace/srv/net/include/protocol_map.h – Rev 4708 → 4743