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c74593cd | 1 | /** @file\r |
4cda7726 | 2 | Implementation of initializing a network adapter.\r |
3 | \r | |
4 | Copyright (c) 2004 - 2008, Intel Corporation. <BR> \r | |
5 | All rights reserved. This program and the accompanying materials are licensed \r | |
6 | and made available under the terms and conditions of the BSD License which \r | |
7 | accompanies this distribution. The full text of the license may be found at \r | |
8 | http://opensource.org/licenses/bsd-license.php \r | |
c74593cd | 9 | \r |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
c74593cd | 13 | **/\r |
14 | \r | |
15 | \r | |
16 | #include "Snp.h"\r | |
17 | \r | |
c74593cd | 18 | /**\r |
f3816027 | 19 | Call UNDI to initialize the interface.\r |
c74593cd | 20 | \r |
f3816027 | 21 | @param Snp Pointer to snp driver structure.\r |
22 | @param CableDetectFlag Do/don't detect the cable (depending on what \r | |
23 | undi supports).\r | |
4cda7726 | 24 | \r |
f3816027 | 25 | @retval EFI_SUCCESS UNDI is initialized successfully.\r |
26 | @retval EFI_DEVICE_ERROR UNDI could not be initialized.\r | |
27 | @retval Other Other errors as indicated.\r | |
c74593cd | 28 | \r |
29 | **/\r | |
30 | EFI_STATUS\r | |
4cda7726 | 31 | PxeInit (\r |
32 | SNP_DRIVER *Snp,\r | |
c74593cd | 33 | UINT16 CableDetectFlag\r |
34 | )\r | |
35 | {\r | |
4cda7726 | 36 | PXE_CPB_INITIALIZE *Cpb;\r |
37 | VOID *Addr;\r | |
c74593cd | 38 | EFI_STATUS Status;\r |
39 | \r | |
4cda7726 | 40 | Cpb = Snp->Cpb;\r |
41 | if (Snp->TxRxBufferSize != 0) {\r | |
42 | Status = Snp->PciIo->AllocateBuffer (\r | |
43 | Snp->PciIo,\r | |
44 | AllocateAnyPages,\r | |
45 | EfiBootServicesData,\r | |
46 | SNP_MEM_PAGES (Snp->TxRxBufferSize),\r | |
47 | &Addr,\r | |
48 | 0\r | |
49 | );\r | |
c74593cd | 50 | \r |
51 | if (Status != EFI_SUCCESS) {\r | |
52 | DEBUG (\r | |
53 | (EFI_D_ERROR,\r | |
4cda7726 | 54 | "\nSnp->PxeInit() AllocateBuffer %xh (%r)\n",\r |
c74593cd | 55 | Status,\r |
56 | Status)\r | |
57 | );\r | |
58 | \r | |
59 | return Status;\r | |
60 | }\r | |
61 | \r | |
4cda7726 | 62 | ASSERT (Addr);\r |
c74593cd | 63 | \r |
4cda7726 | 64 | Snp->TxRxBuffer = Addr;\r |
c74593cd | 65 | }\r |
66 | \r | |
4cda7726 | 67 | Cpb->MemoryAddr = (UINT64)(UINTN) Snp->TxRxBuffer;\r |
c74593cd | 68 | \r |
4cda7726 | 69 | Cpb->MemoryLength = Snp->TxRxBufferSize;\r |
c74593cd | 70 | \r |
71 | //\r | |
72 | // let UNDI decide/detect these values\r | |
73 | //\r | |
4cda7726 | 74 | Cpb->LinkSpeed = 0;\r |
75 | Cpb->TxBufCnt = 0;\r | |
76 | Cpb->TxBufSize = 0;\r | |
77 | Cpb->RxBufCnt = 0;\r | |
78 | Cpb->RxBufSize = 0;\r | |
c74593cd | 79 | \r |
4cda7726 | 80 | Cpb->DuplexMode = PXE_DUPLEX_DEFAULT;\r |
c74593cd | 81 | \r |
4cda7726 | 82 | Cpb->LoopBackMode = LOOPBACK_NORMAL;\r |
c74593cd | 83 | \r |
4cda7726 | 84 | Snp->Cdb.OpCode = PXE_OPCODE_INITIALIZE;\r |
85 | Snp->Cdb.OpFlags = CableDetectFlag;\r | |
c74593cd | 86 | \r |
4cda7726 | 87 | Snp->Cdb.CPBsize = sizeof (PXE_CPB_INITIALIZE);\r |
88 | Snp->Cdb.DBsize = sizeof (PXE_DB_INITIALIZE);\r | |
c74593cd | 89 | \r |
4cda7726 | 90 | Snp->Cdb.CPBaddr = (UINT64)(UINTN) Snp->Cpb;\r |
91 | Snp->Cdb.DBaddr = (UINT64)(UINTN) Snp->Db;\r | |
c74593cd | 92 | \r |
4cda7726 | 93 | Snp->Cdb.StatCode = PXE_STATCODE_INITIALIZE;\r |
94 | Snp->Cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;\r | |
95 | Snp->Cdb.IFnum = Snp->IfNum;\r | |
96 | Snp->Cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;\r | |
c74593cd | 97 | \r |
9cff2f8d | 98 | DEBUG ((EFI_D_NET, "\nSnp->undi.initialize() "));\r |
c74593cd | 99 | \r |
4cda7726 | 100 | (*Snp->IssueUndi32Command) ((UINT64)(UINTN) &Snp->Cdb);\r |
c74593cd | 101 | \r |
4cda7726 | 102 | if (Snp->Cdb.StatCode == PXE_STATCODE_SUCCESS) {\r |
103 | Snp->Mode.State = EfiSimpleNetworkInitialized;\r | |
c74593cd | 104 | \r |
105 | Status = EFI_SUCCESS;\r | |
106 | } else {\r | |
107 | DEBUG (\r | |
9cff2f8d | 108 | (EFI_D_WARN,\r |
4cda7726 | 109 | "\nSnp->undi.initialize() %xh:%xh\n",\r |
110 | Snp->Cdb.StatFlags,\r | |
111 | Snp->Cdb.StatCode)\r | |
c74593cd | 112 | );\r |
113 | \r | |
4cda7726 | 114 | if (Snp->TxRxBuffer != NULL) {\r |
115 | Snp->PciIo->FreeBuffer (\r | |
116 | Snp->PciIo,\r | |
117 | SNP_MEM_PAGES (Snp->TxRxBufferSize),\r | |
118 | (VOID *) Snp->TxRxBuffer\r | |
c74593cd | 119 | );\r |
120 | }\r | |
121 | \r | |
4cda7726 | 122 | Snp->TxRxBuffer = NULL;\r |
c74593cd | 123 | \r |
4cda7726 | 124 | Status = EFI_DEVICE_ERROR;\r |
c74593cd | 125 | }\r |
126 | \r | |
127 | return Status;\r | |
128 | }\r | |
129 | \r | |
130 | \r | |
131 | /**\r | |
4cda7726 | 132 | Resets a network adapter and allocates the transmit and receive buffers \r |
133 | required by the network interface; optionally, also requests allocation of \r | |
134 | additional transmit and receive buffers.\r | |
135 | \r | |
136 | This function allocates the transmit and receive buffers required by the network\r | |
137 | interface. If this allocation fails, then EFI_OUT_OF_RESOURCES is returned.\r | |
138 | If the allocation succeeds and the network interface is successfully initialized,\r | |
139 | then EFI_SUCCESS will be returned.\r | |
140 | \r | |
141 | @param This A pointer to the EFI_SIMPLE_NETWORK_PROTOCOL instance.\r | |
142 | \r | |
143 | @param ExtraRxBufferSize The size, in bytes, of the extra receive buffer space\r | |
144 | that the driver should allocate for the network interface.\r | |
145 | Some network interfaces will not be able to use the \r | |
146 | extra buffer, and the caller will not know if it is \r | |
147 | actually being used.\r | |
148 | @param ExtraTxBufferSize The size, in bytes, of the extra transmit buffer space\r | |
149 | that the driver should allocate for the network interface.\r | |
150 | Some network interfaces will not be able to use the\r | |
151 | extra buffer, and the caller will not know if it is\r | |
152 | actually being used.\r | |
153 | \r | |
154 | @retval EFI_SUCCESS The network interface was initialized.\r | |
155 | @retval EFI_NOT_STARTED The network interface has not been started.\r | |
156 | @retval EFI_OUT_OF_RESOURCES There was not enough memory for the transmit and\r | |
157 | receive buffers.\r | |
158 | @retval EFI_INVALID_PARAMETER This parameter was NULL or did not point to a valid\r | |
159 | EFI_SIMPLE_NETWORK_PROTOCOL structure.\r | |
160 | @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.\r | |
161 | @retval EFI_UNSUPPORTED The increased buffer size feature is not supported.\r | |
c74593cd | 162 | \r |
163 | **/\r | |
164 | EFI_STATUS\r | |
165 | EFIAPI\r | |
4cda7726 | 166 | SnpUndi32Initialize (\r |
167 | IN EFI_SIMPLE_NETWORK_PROTOCOL *This,\r | |
168 | IN UINTN ExtraRxBufferSize OPTIONAL,\r | |
169 | IN UINTN ExtraTxBufferSize OPTIONAL\r | |
c74593cd | 170 | )\r |
171 | {\r | |
172 | EFI_STATUS EfiStatus;\r | |
4cda7726 | 173 | SNP_DRIVER *Snp;\r |
c74593cd | 174 | EFI_TPL OldTpl;\r |
175 | \r | |
4cda7726 | 176 | if (This == NULL) {\r |
c74593cd | 177 | return EFI_INVALID_PARAMETER;\r |
178 | }\r | |
179 | \r | |
4cda7726 | 180 | Snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);\r |
c74593cd | 181 | \r |
182 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
183 | \r | |
4cda7726 | 184 | if (Snp == NULL) {\r |
c74593cd | 185 | EfiStatus = EFI_INVALID_PARAMETER;\r |
186 | goto ON_EXIT;\r | |
187 | }\r | |
188 | \r | |
4cda7726 | 189 | switch (Snp->Mode.State) {\r |
c74593cd | 190 | case EfiSimpleNetworkStarted:\r |
191 | break;\r | |
192 | \r | |
193 | case EfiSimpleNetworkStopped:\r | |
194 | EfiStatus = EFI_NOT_STARTED;\r | |
195 | goto ON_EXIT;\r | |
196 | \r | |
197 | default:\r | |
198 | EfiStatus = EFI_DEVICE_ERROR;\r | |
199 | goto ON_EXIT;\r | |
200 | }\r | |
201 | \r | |
202 | EfiStatus = gBS->CreateEvent (\r | |
203 | EVT_NOTIFY_WAIT,\r | |
204 | TPL_NOTIFY,\r | |
205 | &SnpWaitForPacketNotify,\r | |
4cda7726 | 206 | Snp,\r |
207 | &Snp->Snp.WaitForPacket\r | |
c74593cd | 208 | );\r |
209 | \r | |
210 | if (EFI_ERROR (EfiStatus)) {\r | |
4cda7726 | 211 | Snp->Snp.WaitForPacket = NULL;\r |
c74593cd | 212 | EfiStatus = EFI_DEVICE_ERROR;\r |
213 | goto ON_EXIT;\r | |
214 | }\r | |
215 | //\r | |
216 | //\r | |
217 | //\r | |
4cda7726 | 218 | Snp->Mode.MCastFilterCount = 0;\r |
219 | Snp->Mode.ReceiveFilterSetting = 0;\r | |
220 | ZeroMem (Snp->Mode.MCastFilter, sizeof Snp->Mode.MCastFilter);\r | |
c74593cd | 221 | CopyMem (\r |
4cda7726 | 222 | &Snp->Mode.CurrentAddress,\r |
223 | &Snp->Mode.PermanentAddress,\r | |
c74593cd | 224 | sizeof (EFI_MAC_ADDRESS)\r |
225 | );\r | |
226 | \r | |
227 | //\r | |
228 | // Compute tx/rx buffer sizes based on UNDI init info and parameters.\r | |
229 | //\r | |
4cda7726 | 230 | Snp->TxRxBufferSize = (UINT32) (Snp->InitInfo.MemoryRequired + ExtraRxBufferSize + ExtraTxBufferSize);\r |
c74593cd | 231 | \r |
4cda7726 | 232 | if (Snp->Mode.MediaPresentSupported) {\r |
233 | if (PxeInit (Snp, PXE_OPFLAGS_INITIALIZE_DETECT_CABLE) == EFI_SUCCESS) {\r | |
234 | Snp->Mode.MediaPresent = TRUE;\r | |
c74593cd | 235 | goto ON_EXIT;\r |
236 | }\r | |
237 | }\r | |
238 | \r | |
4cda7726 | 239 | Snp->Mode.MediaPresent = FALSE;\r |
c74593cd | 240 | \r |
4cda7726 | 241 | EfiStatus = PxeInit (Snp, PXE_OPFLAGS_INITIALIZE_DO_NOT_DETECT_CABLE);\r |
c74593cd | 242 | \r |
243 | if (EFI_ERROR (EfiStatus)) {\r | |
4cda7726 | 244 | gBS->CloseEvent (Snp->Snp.WaitForPacket);\r |
c74593cd | 245 | }\r |
246 | \r | |
247 | ON_EXIT:\r | |
248 | gBS->RestoreTPL (OldTpl);\r | |
249 | \r | |
250 | return EfiStatus;\r | |
251 | }\r |