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dc361cc5 | 1 | /** @file\r |
f737cfb9 | 2 | Support routines for PxeBc.\r |
e2851998 | 3 | \r |
60de3c19 | 4 | Copyright (c) 2007 - 2016, Intel Corporation. All rights reserved.<BR>\r |
e5eed7d3 | 5 | This program and the accompanying materials\r |
dc361cc5 | 6 | are licensed and made available under the terms and conditions of the BSD License\r |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
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 | |
dc361cc5 | 13 | **/\r |
14 | \r | |
15 | \r | |
16 | #include "PxeBcImpl.h"\r | |
17 | \r | |
18 | \r | |
dc361cc5 | 19 | /**\r |
e2851998 | 20 | The common notify function associated with various PxeBc events.\r |
dc361cc5 | 21 | \r |
f737cfb9 | 22 | @param Event The event signaled.\r |
23 | @param Context The context.\r | |
dc361cc5 | 24 | \r |
dc361cc5 | 25 | **/\r |
26 | VOID\r | |
6d3ea23f | 27 | EFIAPI\r |
dc361cc5 | 28 | PxeBcCommonNotify (\r |
29 | IN EFI_EVENT Event,\r | |
30 | IN VOID *Context\r | |
31 | )\r | |
32 | {\r | |
33 | *((BOOLEAN *) Context) = TRUE;\r | |
34 | }\r | |
35 | \r | |
f737cfb9 | 36 | \r |
37 | /**\r | |
38 | This function initialize(or configure) the Udp4Write instance.\r | |
e2851998 | 39 | \r |
f737cfb9 | 40 | @param Udp4 Pointer to the EFI_UDP4_PROTOCOL instance.\r |
41 | @param StationIp Pointer to the station ip address.\r | |
42 | @param SubnetMask Pointer to the subnetmask of the station ip address.\r | |
43 | @param Gateway Pointer to the gateway ip address.\r | |
44 | @param SrcPort Pointer to the srouce port of the station.\r | |
0a28d02d | 45 | @param Ttl The time to live field of the IP header. \r |
60de3c19 | 46 | @param ToS The type of service field of the IP header.\r |
e2851998 | 47 | \r |
f737cfb9 | 48 | @retval EFI_SUCCESS The configuration settings were set, changed, or reset successfully.\r |
49 | @retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,\r | |
50 | RARP, etc.) is not finished yet.\r | |
51 | @retval EFI_INVALID_PARAMETER One or more following conditions are TRUE:\r | |
52 | @retval EFI_ALREADY_STARTED The EFI UDPv4 Protocol instance is already started/configured\r | |
53 | and must be stopped/reset before it can be reconfigured.\r | |
54 | @retval EFI_ACCESS_DENIED UdpConfigData. AllowDuplicatePort is FALSE\r | |
55 | and UdpConfigData.StationPort is already used by\r | |
56 | other instance.\r | |
57 | @retval EFI_OUT_OF_RESOURCES The EFI UDPv4 Protocol driver cannot allocate memory for this\r | |
58 | EFI UDPv4 Protocol instance.\r | |
59 | @retval EFI_DEVICE_ERROR An unexpected network or system error occurred and this instance\r | |
60 | was not opened.\r | |
61 | @retval Others Please examine the function Udp4->Routes(Udp4, FALSE, &mZeroIp4Addr, &mZeroIp4Addr, Gateway) returns.\r | |
e2851998 | 62 | \r |
f737cfb9 | 63 | **/\r |
8792362f | 64 | EFI_STATUS\r |
65 | PxeBcConfigureUdpWriteInstance (\r | |
66 | IN EFI_UDP4_PROTOCOL *Udp4,\r | |
67 | IN EFI_IPv4_ADDRESS *StationIp,\r | |
68 | IN EFI_IPv4_ADDRESS *SubnetMask,\r | |
69 | IN EFI_IPv4_ADDRESS *Gateway,\r | |
60de3c19 | 70 | IN OUT UINT16 *SrcPort,\r |
0a28d02d | 71 | IN UINT8 Ttl,\r |
60de3c19 | 72 | IN UINT8 ToS\r |
8792362f | 73 | )\r |
74 | {\r | |
75 | EFI_UDP4_CONFIG_DATA Udp4CfgData;\r | |
76 | EFI_STATUS Status;\r | |
77 | \r | |
78 | ZeroMem (&Udp4CfgData, sizeof (Udp4CfgData));\r | |
79 | \r | |
7bc01e86 | 80 | Udp4CfgData.ReceiveTimeout = PXEBC_DEFAULT_LIFETIME;\r |
60de3c19 | 81 | Udp4CfgData.TypeOfService = ToS;\r |
c882bdc6 | 82 | Udp4CfgData.TimeToLive = Ttl;\r |
319075ff | 83 | Udp4CfgData.AllowDuplicatePort = TRUE;\r |
8792362f | 84 | \r |
85 | CopyMem (&Udp4CfgData.StationAddress, StationIp, sizeof (*StationIp));\r | |
86 | CopyMem (&Udp4CfgData.SubnetMask, SubnetMask, sizeof (*SubnetMask));\r | |
87 | \r | |
88 | Udp4CfgData.StationPort = *SrcPort;\r | |
89 | \r | |
90 | //\r | |
91 | // Reset the instance.\r | |
92 | //\r | |
93 | Udp4->Configure (Udp4, NULL);\r | |
94 | \r | |
95 | Status = Udp4->Configure (Udp4, &Udp4CfgData);\r | |
96 | if (!EFI_ERROR (Status) && (Gateway->Addr[0] != 0)) {\r | |
97 | //\r | |
98 | // basic configuration OK, need to add the default route entry\r | |
99 | //\r | |
100 | Status = Udp4->Routes (Udp4, FALSE, &mZeroIp4Addr, &mZeroIp4Addr, Gateway);\r | |
101 | if (EFI_ERROR (Status)) {\r | |
102 | //\r | |
103 | // roll back\r | |
104 | //\r | |
105 | Udp4->Configure (Udp4, NULL);\r | |
106 | }\r | |
107 | }\r | |
108 | \r | |
109 | if (!EFI_ERROR (Status) && (*SrcPort == 0)) {\r | |
110 | Udp4->GetModeData (Udp4, &Udp4CfgData, NULL, NULL, NULL);\r | |
111 | *SrcPort = Udp4CfgData.StationPort;\r | |
112 | }\r | |
113 | \r | |
114 | return Status;\r | |
115 | }\r | |
116 | \r | |
dc361cc5 | 117 | \r |
118 | /**\r | |
f737cfb9 | 119 | Convert number to ASCII value.\r |
dc361cc5 | 120 | \r |
121 | @param Number Numeric value to convert to decimal ASCII value.\r | |
f737cfb9 | 122 | @param Buffer Buffer to place ASCII version of the Number.\r |
dc361cc5 | 123 | @param Length Length of Buffer.\r |
124 | \r | |
dc361cc5 | 125 | **/\r |
126 | VOID\r | |
127 | CvtNum (\r | |
128 | IN UINTN Number,\r | |
129 | IN UINT8 *Buffer,\r | |
f737cfb9 | 130 | IN UINTN Length\r |
dc361cc5 | 131 | )\r |
132 | {\r | |
133 | UINTN Remainder;\r | |
134 | \r | |
894d038a | 135 | while (Length > 0) {\r |
dc361cc5 | 136 | Remainder = Number % 10;\r |
137 | Number /= 10;\r | |
894d038a | 138 | Length--;\r |
dc361cc5 | 139 | Buffer[Length] = (UINT8) ('0' + Remainder);\r |
140 | }\r | |
141 | }\r | |
142 | \r | |
143 | \r | |
144 | /**\r | |
f737cfb9 | 145 | Convert unsigned int number to decimal number.\r |
dc361cc5 | 146 | \r |
206b5f51 ZL |
147 | @param Number The unsigned int number will be converted.\r |
148 | @param Buffer Pointer to the buffer to store the decimal number after transform.\r | |
149 | @param[in] BufferSize The maxsize of the buffer.\r | |
150 | \r | |
f737cfb9 | 151 | @return the length of the number after transform.\r |
dc361cc5 | 152 | \r |
153 | **/\r | |
154 | UINTN\r | |
155 | UtoA10 (\r | |
156 | IN UINTN Number,\r | |
206b5f51 ZL |
157 | IN CHAR8 *Buffer,\r |
158 | IN UINTN BufferSize\r | |
dc361cc5 | 159 | )\r |
160 | {\r | |
161 | UINTN Index;\r | |
162 | CHAR8 TempStr[64];\r | |
163 | \r | |
164 | Index = 63;\r | |
165 | TempStr[Index] = 0;\r | |
166 | \r | |
167 | do {\r | |
168 | Index--;\r | |
169 | TempStr[Index] = (CHAR8) ('0' + (Number % 10));\r | |
170 | Number = Number / 10;\r | |
171 | } while (Number != 0);\r | |
172 | \r | |
206b5f51 | 173 | AsciiStrCpyS (Buffer, BufferSize, &TempStr[Index]);\r |
dc361cc5 | 174 | \r |
175 | return AsciiStrLen (Buffer);\r | |
176 | }\r | |
177 | \r | |
178 | \r | |
179 | /**\r | |
f737cfb9 | 180 | Convert ASCII numeric string to a UINTN value.\r |
dc361cc5 | 181 | \r |
f737cfb9 | 182 | @param Buffer Pointer to the 8-byte unsigned int value.\r |
dc361cc5 | 183 | \r |
f737cfb9 | 184 | @return UINTN value of the ASCII string.\r |
dc361cc5 | 185 | \r |
186 | **/\r | |
187 | UINT64\r | |
188 | AtoU64 (\r | |
189 | IN UINT8 *Buffer\r | |
190 | )\r | |
191 | {\r | |
192 | UINT64 Value;\r | |
193 | UINT8 Character;\r | |
194 | \r | |
195 | Value = 0;\r | |
196 | while ((Character = *Buffer++) != '\0') {\r | |
197 | Value = MultU64x32 (Value, 10) + (Character - '0');\r | |
198 | }\r | |
199 | \r | |
200 | return Value;\r | |
201 | }\r | |
202 | \r |