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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 | initialize.c\r | |
13 | \r | |
14 | Abstract:\r | |
15 | \r | |
16 | Revision history:\r | |
17 | 2000-Feb-09 M(f)J Genesis.\r | |
18 | --*/\r | |
19 | \r | |
20 | \r | |
21 | #include "snp.h"\r | |
22 | \r | |
23 | VOID\r | |
24 | EFIAPI\r | |
25 | SnpWaitForPacketNotify (\r | |
26 | IN EFI_EVENT Event,\r | |
27 | IN VOID *SnpPtr\r | |
28 | );\r | |
29 | \r | |
30 | EFI_STATUS\r | |
31 | pxe_init (\r | |
32 | SNP_DRIVER *snp,\r | |
33 | UINT16 CableDetectFlag\r | |
34 | )\r | |
35 | /*++\r | |
36 | \r | |
37 | Routine Description:\r | |
38 | this routine calls undi to initialize the interface.\r | |
39 | \r | |
40 | Arguments:\r | |
41 | snp - pointer to snp driver structure\r | |
42 | CableDetectFlag - Do/don't detect the cable (depending on what undi supports)\r | |
43 | \r | |
44 | Returns:\r | |
45 | \r | |
46 | --*/\r | |
47 | {\r | |
48 | PXE_CPB_INITIALIZE *cpb;\r | |
49 | VOID *addr;\r | |
50 | EFI_STATUS Status;\r | |
51 | \r | |
52 | cpb = snp->cpb;\r | |
53 | if (snp->tx_rx_bufsize != 0) {\r | |
54 | Status = snp->IoFncs->AllocateBuffer (\r | |
55 | snp->IoFncs,\r | |
56 | AllocateAnyPages,\r | |
57 | EfiBootServicesData,\r | |
58 | SNP_MEM_PAGES (snp->tx_rx_bufsize),\r | |
59 | &addr,\r | |
60 | 0\r | |
61 | );\r | |
62 | \r | |
63 | if (Status != EFI_SUCCESS) {\r | |
64 | DEBUG (\r | |
65 | (EFI_D_ERROR,\r | |
66 | "\nsnp->pxe_init() AllocateBuffer %xh (%r)\n",\r | |
67 | Status,\r | |
68 | Status)\r | |
69 | );\r | |
70 | \r | |
71 | return Status;\r | |
72 | }\r | |
73 | \r | |
74 | ASSERT (addr);\r | |
75 | \r | |
76 | snp->tx_rx_buffer = addr;\r | |
77 | }\r | |
78 | \r | |
79 | cpb->MemoryAddr = (UINT64) (UINTN) snp->tx_rx_buffer;\r | |
80 | \r | |
81 | cpb->MemoryLength = snp->tx_rx_bufsize;\r | |
82 | \r | |
83 | //\r | |
84 | // let UNDI decide/detect these values\r | |
85 | //\r | |
86 | cpb->LinkSpeed = 0;\r | |
87 | cpb->TxBufCnt = 0;\r | |
88 | cpb->TxBufSize = 0;\r | |
89 | cpb->RxBufCnt = 0;\r | |
90 | cpb->RxBufSize = 0;\r | |
91 | \r | |
92 | cpb->DuplexMode = PXE_DUPLEX_DEFAULT;\r | |
93 | \r | |
94 | cpb->LoopBackMode = LOOPBACK_NORMAL;\r | |
95 | \r | |
96 | snp->cdb.OpCode = PXE_OPCODE_INITIALIZE;\r | |
97 | snp->cdb.OpFlags = CableDetectFlag;\r | |
98 | \r | |
99 | snp->cdb.CPBsize = sizeof (PXE_CPB_INITIALIZE);\r | |
100 | snp->cdb.DBsize = sizeof (PXE_DB_INITIALIZE);\r | |
101 | \r | |
102 | snp->cdb.CPBaddr = (UINT64) (UINTN) snp->cpb;\r | |
103 | snp->cdb.DBaddr = (UINT64) (UINTN) snp->db;\r | |
104 | \r | |
105 | snp->cdb.StatCode = PXE_STATCODE_INITIALIZE;\r | |
106 | snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;\r | |
107 | snp->cdb.IFnum = snp->if_num;\r | |
108 | snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;\r | |
109 | \r | |
110 | DEBUG ((EFI_D_NET, "\nsnp->undi.initialize() "));\r | |
111 | \r | |
112 | (*snp->issue_undi32_command) ((UINT64) (UINTN) &snp->cdb);\r | |
113 | \r | |
114 | if (snp->cdb.StatCode == PXE_STATCODE_SUCCESS) {\r | |
115 | snp->mode.State = EfiSimpleNetworkInitialized;\r | |
116 | \r | |
117 | Status = EFI_SUCCESS;\r | |
118 | } else {\r | |
119 | DEBUG (\r | |
120 | (EFI_D_WARN,\r | |
121 | "\nsnp->undi.initialize() %xh:%xh\n",\r | |
122 | snp->cdb.StatFlags,\r | |
123 | snp->cdb.StatCode)\r | |
124 | );\r | |
125 | \r | |
126 | if (snp->tx_rx_buffer != NULL) {\r | |
127 | snp->IoFncs->FreeBuffer (\r | |
128 | snp->IoFncs,\r | |
129 | SNP_MEM_PAGES (snp->tx_rx_bufsize),\r | |
130 | (VOID *) snp->tx_rx_buffer\r | |
131 | );\r | |
132 | }\r | |
133 | \r | |
134 | snp->tx_rx_buffer = NULL;\r | |
135 | \r | |
136 | Status = EFI_DEVICE_ERROR;\r | |
137 | }\r | |
138 | \r | |
139 | return Status;\r | |
140 | }\r | |
141 | \r | |
142 | EFI_STATUS\r | |
143 | EFIAPI\r | |
144 | snp_undi32_initialize (\r | |
145 | IN EFI_SIMPLE_NETWORK_PROTOCOL *this,\r | |
146 | IN UINTN extra_rx_buffer_size OPTIONAL,\r | |
147 | IN UINTN extra_tx_buffer_size OPTIONAL\r | |
148 | )\r | |
149 | /*++\r | |
150 | \r | |
151 | Routine Description:\r | |
152 | This is the SNP interface routine for initializing the interface\r | |
153 | This routine basically retrieves snp structure, checks the SNP state and\r | |
154 | calls the pxe_initialize routine to actually do the undi initialization\r | |
155 | \r | |
156 | Arguments:\r | |
157 | this - context pointer\r | |
158 | extra_rx_buffer_size - optional parameter, indicates extra space for rx_buffers\r | |
159 | extra_tx_buffer_size - optional parameter, indicates extra space for tx_buffers\r | |
160 | \r | |
161 | Returns:\r | |
162 | \r | |
163 | --*/\r | |
164 | {\r | |
165 | EFI_STATUS EfiStatus;\r | |
166 | SNP_DRIVER *snp;\r | |
167 | \r | |
168 | //\r | |
169 | //\r | |
170 | //\r | |
171 | if (this == NULL) {\r | |
172 | return EFI_INVALID_PARAMETER;\r | |
173 | }\r | |
174 | \r | |
175 | snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (this);\r | |
176 | \r | |
177 | if (snp == NULL) {\r | |
178 | return EFI_INVALID_PARAMETER;\r | |
179 | }\r | |
180 | //\r | |
181 | //\r | |
182 | //\r | |
183 | switch (snp->mode.State) {\r | |
184 | case EfiSimpleNetworkStarted:\r | |
185 | break;\r | |
186 | \r | |
187 | case EfiSimpleNetworkStopped:\r | |
188 | return EFI_NOT_STARTED;\r | |
189 | \r | |
190 | case EfiSimpleNetworkInitialized:\r | |
191 | return EFI_DEVICE_ERROR;\r | |
192 | \r | |
193 | default:\r | |
194 | return EFI_DEVICE_ERROR;\r | |
195 | }\r | |
196 | //\r | |
197 | //\r | |
198 | //\r | |
199 | EfiStatus = gBS->CreateEvent (\r | |
200 | EFI_EVENT_NOTIFY_WAIT,\r | |
201 | EFI_TPL_NOTIFY,\r | |
202 | &SnpWaitForPacketNotify,\r | |
203 | snp,\r | |
204 | &snp->snp.WaitForPacket\r | |
205 | );\r | |
206 | \r | |
207 | if (EFI_ERROR (EfiStatus)) {\r | |
208 | snp->snp.WaitForPacket = NULL;\r | |
209 | return EFI_DEVICE_ERROR;\r | |
210 | }\r | |
211 | //\r | |
212 | //\r | |
213 | //\r | |
214 | snp->mode.MCastFilterCount = 0;\r | |
215 | snp->mode.ReceiveFilterSetting = 0;\r | |
216 | ZeroMem (snp->mode.MCastFilter, sizeof snp->mode.MCastFilter);\r | |
217 | CopyMem (\r | |
218 | &snp->mode.CurrentAddress,\r | |
219 | &snp->mode.PermanentAddress,\r | |
220 | sizeof (EFI_MAC_ADDRESS)\r | |
221 | );\r | |
222 | \r | |
223 | //\r | |
224 | // Compute tx/rx buffer sizes based on UNDI init info and parameters.\r | |
225 | //\r | |
226 | snp->tx_rx_bufsize = (UINT32) (snp->init_info.MemoryRequired + extra_rx_buffer_size + extra_tx_buffer_size);\r | |
227 | \r | |
228 | if (snp->mode.MediaPresentSupported) {\r | |
229 | if (pxe_init (snp, PXE_OPFLAGS_INITIALIZE_DETECT_CABLE) == EFI_SUCCESS) {\r | |
230 | snp->mode.MediaPresent = TRUE;\r | |
231 | return EFI_SUCCESS;\r | |
232 | }\r | |
233 | }\r | |
234 | \r | |
235 | snp->mode.MediaPresent = FALSE;\r | |
236 | \r | |
237 | EfiStatus = pxe_init (snp, PXE_OPFLAGS_INITIALIZE_DO_NOT_DETECT_CABLE);\r | |
238 | \r | |
239 | if (EFI_ERROR (EfiStatus)) {\r | |
240 | gBS->CloseEvent (snp->snp.WaitForPacket);\r | |
241 | }\r | |
242 | \r | |
243 | return EfiStatus;\r | |
244 | }\r |