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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 |