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878ddf1f | 1 | /*++\r |
2 | Copyright (c) 2006, Intel Corporation \r | |
3 | All rights reserved. This program and the accompanying materials \r | |
4 | are licensed and made available under the terms and conditions of the BSD License \r | |
5 | which accompanies this distribution. The full text of the license may be found at \r | |
6 | http://opensource.org/licenses/bsd-license.php \r | |
7 | \r | |
8 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
9 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
10 | \r | |
11 | Module name:\r | |
12 | mcast_ip_to_mac.c\r | |
13 | \r | |
14 | Abstract:\r | |
15 | \r | |
16 | Revision history:\r | |
17 | 2000-Feb-17 M(f)J Genesis.\r | |
18 | --*/\r | |
19 | \r | |
20 | \r | |
4cbd855e | 21 | #include "Snp.h"\r |
878ddf1f | 22 | \r |
1cc8ee78 | 23 | STATIC\r |
878ddf1f | 24 | EFI_STATUS\r |
25 | pxe_ip2mac (\r | |
26 | IN SNP_DRIVER *snp,\r | |
27 | IN BOOLEAN IPv6,\r | |
28 | IN EFI_IP_ADDRESS *IP,\r | |
29 | IN OUT EFI_MAC_ADDRESS *MAC\r | |
30 | )\r | |
31 | /*++\r | |
32 | \r | |
33 | Routine Description:\r | |
34 | this routine calls undi to convert an multicast IP address to a MAC address\r | |
35 | \r | |
36 | Arguments:\r | |
37 | snp - pointer to snp driver structure\r | |
38 | IPv6 - flag to indicate if this is an ipv6 address\r | |
39 | IP - multicast IP address\r | |
40 | MAC - pointer to hold the return MAC address\r | |
41 | \r | |
42 | Returns:\r | |
43 | \r | |
44 | --*/\r | |
45 | {\r | |
46 | PXE_CPB_MCAST_IP_TO_MAC *cpb;\r | |
47 | PXE_DB_MCAST_IP_TO_MAC *db;\r | |
48 | \r | |
49 | cpb = snp->cpb;\r | |
50 | db = snp->db;\r | |
51 | snp->cdb.OpCode = PXE_OPCODE_MCAST_IP_TO_MAC;\r | |
52 | snp->cdb.OpFlags = (UINT16) (IPv6 ? PXE_OPFLAGS_MCAST_IPV6_TO_MAC : PXE_OPFLAGS_MCAST_IPV4_TO_MAC);\r | |
53 | snp->cdb.CPBsize = sizeof (PXE_CPB_MCAST_IP_TO_MAC);\r | |
54 | snp->cdb.DBsize = sizeof (PXE_DB_MCAST_IP_TO_MAC);\r | |
55 | \r | |
56 | snp->cdb.CPBaddr = (UINT64) (UINTN) cpb;\r | |
57 | snp->cdb.DBaddr = (UINT64) (UINTN) db;\r | |
58 | \r | |
59 | snp->cdb.StatCode = PXE_STATCODE_INITIALIZE;\r | |
60 | snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;\r | |
61 | snp->cdb.IFnum = snp->if_num;\r | |
62 | snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;\r | |
63 | \r | |
64 | CopyMem (&cpb->IP, IP, sizeof (PXE_IP_ADDR));\r | |
65 | \r | |
66 | //\r | |
67 | // Issue UNDI command and check result.\r | |
68 | //\r | |
69 | DEBUG ((EFI_D_NET, "\nsnp->undi.mcast_ip_to_mac() "));\r | |
70 | \r | |
71 | (*snp->issue_undi32_command) ((UINT64) (UINTN) &snp->cdb);\r | |
72 | \r | |
73 | switch (snp->cdb.StatCode) {\r | |
74 | case PXE_STATCODE_SUCCESS:\r | |
75 | break;\r | |
76 | \r | |
77 | case PXE_STATCODE_INVALID_CPB:\r | |
78 | return EFI_INVALID_PARAMETER;\r | |
79 | \r | |
80 | case PXE_STATCODE_UNSUPPORTED:\r | |
81 | DEBUG (\r | |
82 | (EFI_D_NET,\r | |
83 | "\nsnp->undi.mcast_ip_to_mac() %xh:%xh\n",\r | |
84 | snp->cdb.StatFlags,\r | |
85 | snp->cdb.StatCode)\r | |
86 | );\r | |
87 | return EFI_UNSUPPORTED;\r | |
88 | \r | |
89 | default:\r | |
90 | //\r | |
91 | // UNDI command failed. Return EFI_DEVICE_ERROR\r | |
92 | // to caller.\r | |
93 | //\r | |
94 | DEBUG (\r | |
95 | (EFI_D_NET,\r | |
96 | "\nsnp->undi.mcast_ip_to_mac() %xh:%xh\n",\r | |
97 | snp->cdb.StatFlags,\r | |
98 | snp->cdb.StatCode)\r | |
99 | );\r | |
100 | \r | |
101 | return EFI_DEVICE_ERROR;\r | |
102 | }\r | |
103 | \r | |
104 | CopyMem (MAC, &db->MAC, sizeof (PXE_MAC_ADDR));\r | |
105 | return EFI_SUCCESS;\r | |
106 | }\r | |
107 | \r | |
108 | EFI_STATUS\r | |
109 | EFIAPI\r | |
110 | snp_undi32_mcast_ip_to_mac (\r | |
111 | IN EFI_SIMPLE_NETWORK_PROTOCOL *this,\r | |
112 | IN BOOLEAN IPv6,\r | |
113 | IN EFI_IP_ADDRESS *IP,\r | |
114 | OUT EFI_MAC_ADDRESS *MAC\r | |
115 | )\r | |
116 | /*++\r | |
117 | \r | |
118 | Routine Description:\r | |
119 | This is the SNP interface routine for converting a multicast IP address to\r | |
120 | a MAC address.\r | |
121 | This routine basically retrieves snp structure, checks the SNP state and\r | |
122 | calls the pxe_ip2mac routine to actually do the conversion\r | |
123 | \r | |
124 | Arguments:\r | |
125 | this - context pointer\r | |
126 | IPv6 - flag to indicate if this is an ipv6 address\r | |
127 | IP - multicast IP address\r | |
128 | MAC - pointer to hold the return MAC address\r | |
129 | \r | |
130 | Returns:\r | |
131 | \r | |
132 | --*/\r | |
133 | {\r | |
134 | SNP_DRIVER *snp;\r | |
135 | \r | |
136 | //\r | |
137 | // Get pointer to SNP driver instance for *this.\r | |
138 | //\r | |
139 | if (this == NULL) {\r | |
140 | return EFI_INVALID_PARAMETER;\r | |
141 | }\r | |
142 | \r | |
143 | snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (this);\r | |
144 | \r | |
145 | if (snp == NULL) {\r | |
146 | return EFI_DEVICE_ERROR;\r | |
147 | }\r | |
148 | \r | |
149 | switch (snp->mode.State) {\r | |
150 | case EfiSimpleNetworkInitialized:\r | |
151 | break;\r | |
152 | \r | |
153 | case EfiSimpleNetworkStopped:\r | |
154 | return EFI_NOT_STARTED;\r | |
155 | \r | |
156 | case EfiSimpleNetworkStarted:\r | |
157 | return EFI_DEVICE_ERROR;\r | |
158 | \r | |
159 | default:\r | |
160 | return EFI_DEVICE_ERROR;\r | |
161 | }\r | |
162 | \r | |
163 | if (IP == NULL || MAC == NULL) {\r | |
164 | return EFI_INVALID_PARAMETER;\r | |
165 | }\r | |
166 | \r | |
167 | return pxe_ip2mac (snp, IPv6, IP, MAC);\r | |
168 | }\r |