/** @file\r
+ Network library.\r
\r
-Copyright (c) 2005 - 2007, Intel Corporation\r
-All rights reserved. This program and the accompanying materials\r
+Copyright (c) 2005 - 2015, Intel Corporation. All rights reserved.<BR>\r
+This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
-Module Name:\r
-\r
- NetLib.c\r
-\r
-Abstract:\r
-\r
-\r
-\r
**/\r
\r
-#include <PiDxe.h>\r
+#include <Uefi.h>\r
\r
+#include <IndustryStandard/SmBios.h>\r
+\r
+#include <Protocol/DriverBinding.h>\r
#include <Protocol/ServiceBinding.h>\r
#include <Protocol/SimpleNetwork.h>\r
-#include <Protocol/LoadedImage.h>\r
-#include <Protocol/NicIp4Config.h>\r
+#include <Protocol/ManagedNetwork.h>\r
+#include <Protocol/Ip4Config2.h>\r
#include <Protocol/ComponentName.h>\r
#include <Protocol/ComponentName2.h>\r
\r
+#include <Guid/SmBios.h>\r
+\r
#include <Library/NetLib.h>\r
#include <Library/BaseLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/UefiRuntimeServicesTableLib.h>\r
-#include <Library/UefiLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
+#include <Library/DevicePathLib.h>\r
+#include <Library/PrintLib.h>\r
+#include <Library/UefiLib.h>\r
\r
-\r
-EFI_DPC_PROTOCOL *mDpc = NULL;\r
+#define NIC_ITEM_CONFIG_SIZE sizeof (NIC_IP4_CONFIG_INFO) + sizeof (EFI_IP4_ROUTE_TABLE) * MAX_IP4_CONFIG_IN_VARIABLE\r
+#define DEFAULT_ZERO_START ((UINTN) ~0)\r
\r
//\r
// All the supported IP4 maskes in host byte order.\r
//\r
-IP4_ADDR mIp4AllMasks[IP4_MASK_NUM] = {\r
+GLOBAL_REMOVE_IF_UNREFERENCED IP4_ADDR gIp4AllMasks[IP4_MASK_NUM] = {\r
0x00000000,\r
0x80000000,\r
0xC0000000,\r
0xFFFFFFFF,\r
};\r
\r
-EFI_IPv4_ADDRESS mZeroIp4Addr = {{0, 0, 0, 0}};\r
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_IPv4_ADDRESS mZeroIp4Addr = {{0, 0, 0, 0}};\r
+\r
+//\r
+// Any error level digitally larger than mNetDebugLevelMax\r
+// will be silently discarded.\r
+//\r
+GLOBAL_REMOVE_IF_UNREFERENCED UINTN mNetDebugLevelMax = NETDEBUG_LEVEL_ERROR;\r
+GLOBAL_REMOVE_IF_UNREFERENCED UINT32 mSyslogPacketSeq = 0xDEADBEEF;\r
+\r
+//\r
+// You can change mSyslogDstMac mSyslogDstIp and mSyslogSrcIp\r
+// here to direct the syslog packets to the syslog deamon. The\r
+// default is broadcast to both the ethernet and IP.\r
+//\r
+GLOBAL_REMOVE_IF_UNREFERENCED UINT8 mSyslogDstMac[NET_ETHER_ADDR_LEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};\r
+GLOBAL_REMOVE_IF_UNREFERENCED UINT32 mSyslogDstIp = 0xffffffff;\r
+GLOBAL_REMOVE_IF_UNREFERENCED UINT32 mSyslogSrcIp = 0;\r
+\r
+GLOBAL_REMOVE_IF_UNREFERENCED CHAR8 *mMonthName[] = {\r
+ "Jan",\r
+ "Feb",\r
+ "Mar",\r
+ "Apr",\r
+ "May",\r
+ "Jun",\r
+ "Jul",\r
+ "Aug",\r
+ "Sep",\r
+ "Oct",\r
+ "Nov",\r
+ "Dec"\r
+};\r
+\r
+//\r
+// VLAN device path node template\r
+//\r
+GLOBAL_REMOVE_IF_UNREFERENCED VLAN_DEVICE_PATH mNetVlanDevicePathTemplate = {\r
+ {\r
+ MESSAGING_DEVICE_PATH,\r
+ MSG_VLAN_DP,\r
+ {\r
+ (UINT8) (sizeof (VLAN_DEVICE_PATH)),\r
+ (UINT8) ((sizeof (VLAN_DEVICE_PATH)) >> 8)\r
+ }\r
+ },\r
+ 0\r
+};\r
+\r
+/**\r
+ Locate the handles that support SNP, then open one of them\r
+ to send the syslog packets. The caller isn't required to close\r
+ the SNP after use because the SNP is opened by HandleProtocol.\r
+\r
+ @return The point to SNP if one is properly openned. Otherwise NULL\r
+\r
+**/\r
+EFI_SIMPLE_NETWORK_PROTOCOL *\r
+SyslogLocateSnp (\r
+ VOID\r
+ )\r
+{\r
+ EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r
+ EFI_STATUS Status;\r
+ EFI_HANDLE *Handles;\r
+ UINTN HandleCount;\r
+ UINTN Index;\r
+\r
+ //\r
+ // Locate the handles which has SNP installed.\r
+ //\r
+ Handles = NULL;\r
+ Status = gBS->LocateHandleBuffer (\r
+ ByProtocol,\r
+ &gEfiSimpleNetworkProtocolGuid,\r
+ NULL,\r
+ &HandleCount,\r
+ &Handles\r
+ );\r
+\r
+ if (EFI_ERROR (Status) || (HandleCount == 0)) {\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Try to open one of the ethernet SNP protocol to send packet\r
+ //\r
+ Snp = NULL;\r
+\r
+ for (Index = 0; Index < HandleCount; Index++) {\r
+ Status = gBS->HandleProtocol (\r
+ Handles[Index],\r
+ &gEfiSimpleNetworkProtocolGuid,\r
+ (VOID **) &Snp\r
+ );\r
+\r
+ if ((Status == EFI_SUCCESS) && (Snp != NULL) &&\r
+ (Snp->Mode->IfType == NET_IFTYPE_ETHERNET) &&\r
+ (Snp->Mode->MaxPacketSize >= NET_SYSLOG_PACKET_LEN)) {\r
+\r
+ break;\r
+ }\r
+\r
+ Snp = NULL;\r
+ }\r
+\r
+ FreePool (Handles);\r
+ return Snp;\r
+}\r
+\r
+/**\r
+ Transmit a syslog packet synchronously through SNP. The Packet\r
+ already has the ethernet header prepended. This function should\r
+ fill in the source MAC because it will try to locate a SNP each\r
+ time it is called to avoid the problem if SNP is unloaded.\r
+ This code snip is copied from MNP.\r
+\r
+ @param[in] Packet The Syslog packet\r
+ @param[in] Length The length of the packet\r
+\r
+ @retval EFI_DEVICE_ERROR Failed to locate a usable SNP protocol\r
+ @retval EFI_TIMEOUT Timeout happened to send the packet.\r
+ @retval EFI_SUCCESS Packet is sent.\r
+\r
+**/\r
+EFI_STATUS\r
+SyslogSendPacket (\r
+ IN CHAR8 *Packet,\r
+ IN UINT32 Length\r
+ )\r
+{\r
+ EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r
+ ETHER_HEAD *Ether;\r
+ EFI_STATUS Status;\r
+ EFI_EVENT TimeoutEvent;\r
+ UINT8 *TxBuf;\r
+\r
+ Snp = SyslogLocateSnp ();\r
+\r
+ if (Snp == NULL) {\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+\r
+ Ether = (ETHER_HEAD *) Packet;\r
+ CopyMem (Ether->SrcMac, Snp->Mode->CurrentAddress.Addr, NET_ETHER_ADDR_LEN);\r
+\r
+ //\r
+ // Start the timeout event.\r
+ //\r
+ Status = gBS->CreateEvent (\r
+ EVT_TIMER,\r
+ TPL_NOTIFY,\r
+ NULL,\r
+ NULL,\r
+ &TimeoutEvent\r
+ );\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ Status = gBS->SetTimer (TimeoutEvent, TimerRelative, NET_SYSLOG_TX_TIMEOUT);\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ goto ON_EXIT;\r
+ }\r
+\r
+ for (;;) {\r
+ //\r
+ // Transmit the packet through SNP.\r
+ //\r
+ Status = Snp->Transmit (Snp, 0, Length, Packet, NULL, NULL, NULL);\r
+\r
+ if ((Status != EFI_SUCCESS) && (Status != EFI_NOT_READY)) {\r
+ Status = EFI_DEVICE_ERROR;\r
+ break;\r
+ }\r
+\r
+ //\r
+ // If Status is EFI_SUCCESS, the packet is put in the transmit queue.\r
+ // if Status is EFI_NOT_READY, the transmit engine of the network\r
+ // interface is busy. Both need to sync SNP.\r
+ //\r
+ TxBuf = NULL;\r
+\r
+ do {\r
+ //\r
+ // Get the recycled transmit buffer status.\r
+ //\r
+ Snp->GetStatus (Snp, NULL, (VOID **) &TxBuf);\r
+\r
+ if (!EFI_ERROR (gBS->CheckEvent (TimeoutEvent))) {\r
+ Status = EFI_TIMEOUT;\r
+ break;\r
+ }\r
+\r
+ } while (TxBuf == NULL);\r
+\r
+ if ((Status == EFI_SUCCESS) || (Status == EFI_TIMEOUT)) {\r
+ break;\r
+ }\r
+\r
+ //\r
+ // Status is EFI_NOT_READY. Restart the timer event and\r
+ // call Snp->Transmit again.\r
+ //\r
+ gBS->SetTimer (TimeoutEvent, TimerRelative, NET_SYSLOG_TX_TIMEOUT);\r
+ }\r
+\r
+ gBS->SetTimer (TimeoutEvent, TimerCancel, 0);\r
+\r
+ON_EXIT:\r
+ gBS->CloseEvent (TimeoutEvent);\r
+ return Status;\r
+}\r
\r
/**\r
- Converts the low nibble of a byte to hex unicode character.\r
+ Build a syslog packet, including the Ethernet/Ip/Udp headers\r
+ and user's message.\r
\r
- @param Nibble lower nibble of a byte.\r
+ @param[in] Level Syslog servity level\r
+ @param[in] Module The module that generates the log\r
+ @param[in] File The file that contains the current log\r
+ @param[in] Line The line of code in the File that contains the current log\r
+ @param[in] Message The log message\r
+ @param[in] BufLen The lenght of the Buf\r
+ @param[out] Buf The buffer to put the packet data\r
\r
- @return Hex unicode character.\r
+ @return The length of the syslog packet built.\r
\r
**/\r
-CHAR16\r
-NibbleToHexChar (\r
- IN UINT8 Nibble\r
+UINT32\r
+SyslogBuildPacket (\r
+ IN UINT32 Level,\r
+ IN UINT8 *Module,\r
+ IN UINT8 *File,\r
+ IN UINT32 Line,\r
+ IN UINT8 *Message,\r
+ IN UINT32 BufLen,\r
+ OUT CHAR8 *Buf\r
)\r
{\r
+ ETHER_HEAD *Ether;\r
+ IP4_HEAD *Ip4;\r
+ EFI_UDP_HEADER *Udp4;\r
+ EFI_TIME Time;\r
+ UINT32 Pri;\r
+ UINT32 Len;\r
+\r
+ //\r
+ // Fill in the Ethernet header. Leave alone the source MAC.\r
+ // SyslogSendPacket will fill in the address for us.\r
+ //\r
+ Ether = (ETHER_HEAD *) Buf;\r
+ CopyMem (Ether->DstMac, mSyslogDstMac, NET_ETHER_ADDR_LEN);\r
+ ZeroMem (Ether->SrcMac, NET_ETHER_ADDR_LEN);\r
+\r
+ Ether->EtherType = HTONS (0x0800); // IPv4 protocol\r
+\r
+ Buf += sizeof (ETHER_HEAD);\r
+ BufLen -= sizeof (ETHER_HEAD);\r
+\r
+ //\r
+ // Fill in the IP header\r
+ //\r
+ Ip4 = (IP4_HEAD *) Buf;\r
+ Ip4->HeadLen = 5;\r
+ Ip4->Ver = 4;\r
+ Ip4->Tos = 0;\r
+ Ip4->TotalLen = 0;\r
+ Ip4->Id = (UINT16) mSyslogPacketSeq;\r
+ Ip4->Fragment = 0;\r
+ Ip4->Ttl = 16;\r
+ Ip4->Protocol = 0x11;\r
+ Ip4->Checksum = 0;\r
+ Ip4->Src = mSyslogSrcIp;\r
+ Ip4->Dst = mSyslogDstIp;\r
+\r
+ Buf += sizeof (IP4_HEAD);\r
+ BufLen -= sizeof (IP4_HEAD);\r
+\r
+ //\r
+ // Fill in the UDP header, Udp checksum is optional. Leave it zero.\r
+ //\r
+ Udp4 = (EFI_UDP_HEADER *) Buf;\r
+ Udp4->SrcPort = HTONS (514);\r
+ Udp4->DstPort = HTONS (514);\r
+ Udp4->Length = 0;\r
+ Udp4->Checksum = 0;\r
+\r
+ Buf += sizeof (EFI_UDP_HEADER);\r
+ BufLen -= sizeof (EFI_UDP_HEADER);\r
+\r
+ //\r
+ // Build the syslog message body with <PRI> Timestamp machine module Message\r
//\r
- // Porting Guide:\r
- // This library interface is simply obsolete.\r
- // Include the source code to user code.\r
+ Pri = ((NET_SYSLOG_FACILITY & 31) << 3) | (Level & 7);\r
+ gRT->GetTime (&Time, NULL);\r
+ ASSERT ((Time.Month <= 12) && (Time.Month >= 1));\r
+\r
+ //\r
+ // Use %a to format the ASCII strings, %s to format UNICODE strings\r
+ //\r
+ Len = 0;\r
+ Len += (UINT32) AsciiSPrint (\r
+ Buf,\r
+ BufLen,\r
+ "<%d> %a %d %d:%d:%d ",\r
+ Pri,\r
+ mMonthName [Time.Month-1],\r
+ Time.Day,\r
+ Time.Hour,\r
+ Time.Minute,\r
+ Time.Second\r
+ );\r
+ Len--;\r
+\r
+ Len += (UINT32) AsciiSPrint (\r
+ Buf + Len,\r
+ BufLen - Len,\r
+ "Tiano %a: %a (Line: %d File: %a)",\r
+ Module,\r
+ Message,\r
+ Line,\r
+ File\r
+ );\r
+ Len--;\r
+\r
+ //\r
+ // OK, patch the IP length/checksum and UDP length fields.\r
//\r
+ Len += sizeof (EFI_UDP_HEADER);\r
+ Udp4->Length = HTONS ((UINT16) Len);\r
+\r
+ Len += sizeof (IP4_HEAD);\r
+ Ip4->TotalLen = HTONS ((UINT16) Len);\r
+ Ip4->Checksum = (UINT16) (~NetblockChecksum ((UINT8 *) Ip4, sizeof (IP4_HEAD)));\r
+\r
+ return Len + sizeof (ETHER_HEAD);\r
+}\r
+\r
+/**\r
+ Allocate a buffer, then format the message to it. This is a\r
+ help function for the NET_DEBUG_XXX macros. The PrintArg of\r
+ these macros treats the variable length print parameters as a\r
+ single parameter, and pass it to the NetDebugASPrint. For\r
+ example, NET_DEBUG_TRACE ("Tcp", ("State transit to %a\n", Name))\r
+ if extracted to:\r
+\r
+ NetDebugOutput (\r
+ NETDEBUG_LEVEL_TRACE,\r
+ "Tcp",\r
+ __FILE__,\r
+ __LINE__,\r
+ NetDebugASPrint ("State transit to %a\n", Name)\r
+ )\r
+\r
+ @param Format The ASCII format string.\r
+ @param ... The variable length parameter whose format is determined\r
+ by the Format string.\r
+\r
+ @return The buffer containing the formatted message,\r
+ or NULL if failed to allocate memory.\r
+\r
+**/\r
+CHAR8 *\r
+EFIAPI\r
+NetDebugASPrint (\r
+ IN CHAR8 *Format,\r
+ ...\r
+ )\r
+{\r
+ VA_LIST Marker;\r
+ CHAR8 *Buf;\r
\r
- Nibble &= 0x0F;\r
- if (Nibble <= 0x9) {\r
- return (CHAR16)(Nibble + L'0');\r
+ Buf = (CHAR8 *) AllocatePool (NET_DEBUG_MSG_LEN);\r
+\r
+ if (Buf == NULL) {\r
+ return NULL;\r
}\r
\r
- return (CHAR16)(Nibble - 0xA + L'A');\r
+ VA_START (Marker, Format);\r
+ AsciiVSPrint (Buf, NET_DEBUG_MSG_LEN, Format, Marker);\r
+ VA_END (Marker);\r
+\r
+ return Buf;\r
}\r
\r
/**\r
- Return the length of the mask. If the mask is invalid,\r
- return the invalid length 33, which is IP4_MASK_NUM.\r
+ Builds an UDP4 syslog packet and send it using SNP.\r
+\r
+ This function will locate a instance of SNP then send the message through it.\r
+ Because it isn't open the SNP BY_DRIVER, apply caution when using it.\r
+\r
+ @param Level The servity level of the message.\r
+ @param Module The Moudle that generates the log.\r
+ @param File The file that contains the log.\r
+ @param Line The exact line that contains the log.\r
+ @param Message The user message to log.\r
+\r
+ @retval EFI_INVALID_PARAMETER Any input parameter is invalid.\r
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate memory for the packet\r
+ @retval EFI_SUCCESS The log is discard because that it is more verbose\r
+ than the mNetDebugLevelMax. Or, it has been sent out.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+NetDebugOutput (\r
+ IN UINT32 Level,\r
+ IN UINT8 *Module,\r
+ IN UINT8 *File,\r
+ IN UINT32 Line,\r
+ IN UINT8 *Message\r
+ )\r
+{\r
+ CHAR8 *Packet;\r
+ UINT32 Len;\r
+ EFI_STATUS Status;\r
+\r
+ //\r
+ // Check whether the message should be sent out\r
+ //\r
+ if (Message == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ if (Level > mNetDebugLevelMax) {\r
+ Status = EFI_SUCCESS;\r
+ goto ON_EXIT;\r
+ }\r
+\r
+ //\r
+ // Allocate a maxium of 1024 bytes, the caller should ensure\r
+ // that the message plus the ethernet/ip/udp header is shorter\r
+ // than this\r
+ //\r
+ Packet = (CHAR8 *) AllocatePool (NET_SYSLOG_PACKET_LEN);\r
+\r
+ if (Packet == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto ON_EXIT;\r
+ }\r
+\r
+ //\r
+ // Build the message: Ethernet header + IP header + Udp Header + user data\r
+ //\r
+ Len = SyslogBuildPacket (\r
+ Level,\r
+ Module,\r
+ File,\r
+ Line,\r
+ Message,\r
+ NET_SYSLOG_PACKET_LEN,\r
+ Packet\r
+ );\r
+\r
+ mSyslogPacketSeq++;\r
+ Status = SyslogSendPacket (Packet, Len);\r
+ FreePool (Packet);\r
+\r
+ON_EXIT:\r
+ FreePool (Message);\r
+ return Status;\r
+}\r
+/**\r
+ Return the length of the mask.\r
+\r
+ Return the length of the mask, the correct value is from 0 to 32.\r
+ If the mask is invalid, return the invalid length 33, which is IP4_MASK_NUM.\r
NetMask is in the host byte order.\r
\r
- @param NetMask The netmask to get the length from\r
+ @param[in] NetMask The netmask to get the length from.\r
\r
- @return The length of the netmask, IP4_MASK_NUM if the mask isn't\r
- @return supported.\r
+ @return The length of the netmask, IP4_MASK_NUM if the mask is invalid.\r
\r
**/\r
INTN\r
INTN Index;\r
\r
for (Index = 0; Index < IP4_MASK_NUM; Index++) {\r
- if (NetMask == mIp4AllMasks[Index]) {\r
+ if (NetMask == gIp4AllMasks[Index]) {\r
break;\r
}\r
}\r
\r
\r
/**\r
- Return the class of the address, such as class a, b, c.\r
+ Return the class of the IP address, such as class A, B, C.\r
Addr is in host byte order.\r
\r
- @param Addr The address to get the class from\r
+ The address of class A starts with 0.\r
+ If the address belong to class A, return IP4_ADDR_CLASSA.\r
+ The address of class B starts with 10.\r
+ If the address belong to class B, return IP4_ADDR_CLASSB.\r
+ The address of class C starts with 110.\r
+ If the address belong to class C, return IP4_ADDR_CLASSC.\r
+ The address of class D starts with 1110.\r
+ If the address belong to class D, return IP4_ADDR_CLASSD.\r
+ The address of class E starts with 1111.\r
+ If the address belong to class E, return IP4_ADDR_CLASSE.\r
+\r
+\r
+ @param[in] Addr The address to get the class from.\r
\r
- @return IP address class, such as IP4_ADDR_CLASSA\r
+ @return IP address class, such as IP4_ADDR_CLASSA.\r
\r
**/\r
INTN\r
\r
/**\r
Check whether the IP is a valid unicast address according to\r
- the netmask. If NetMask is zero, use the IP address's class to\r
- get the default mask.\r
+ the netmask. If NetMask is zero, use the IP address's class to get the default mask.\r
\r
- @param Ip The IP to check againist\r
- @param NetMask The mask of the IP\r
+ If Ip is 0, IP is not a valid unicast address.\r
+ Class D address is used for multicasting and class E address is reserved for future. If Ip\r
+ belongs to class D or class E, IP is not a valid unicast address.\r
+ If all bits of the host address of IP are 0 or 1, IP is also not a valid unicast address.\r
\r
- @return TRUE if IP is a valid unicast address on the network, otherwise FALSE\r
+ @param[in] Ip The IP to check against.\r
+ @param[in] NetMask The mask of the IP.\r
+\r
+ @return TRUE if IP is a valid unicast address on the network, otherwise FALSE.\r
\r
**/\r
BOOLEAN\r
EFIAPI\r
-Ip4IsUnicast (\r
+NetIp4IsUnicast (\r
IN IP4_ADDR Ip,\r
IN IP4_ADDR NetMask\r
)\r
}\r
\r
if (NetMask == 0) {\r
- NetMask = mIp4AllMasks[Class << 3];\r
+ NetMask = gIp4AllMasks[Class << 3];\r
}\r
\r
if (((Ip &~NetMask) == ~NetMask) || ((Ip &~NetMask) == 0)) {\r
return TRUE;\r
}\r
\r
-\r
/**\r
- Initialize a random seed using current time.\r
+ Check whether the incoming IPv6 address is a valid unicast address.\r
\r
- None\r
+ If the address is a multicast address has binary 0xFF at the start, it is not\r
+ a valid unicast address. If the address is unspecified ::, it is not a valid\r
+ unicast address to be assigned to any node. If the address is loopback address\r
+ ::1, it is also not a valid unicast address to be assigned to any physical\r
+ interface.\r
\r
- @return The random seed initialized with current time.\r
+ @param[in] Ip6 The IPv6 address to check against.\r
+\r
+ @return TRUE if Ip6 is a valid unicast address on the network, otherwise FALSE.\r
\r
**/\r
-UINT32\r
+BOOLEAN\r
EFIAPI\r
-NetRandomInitSeed (\r
- VOID\r
+NetIp6IsValidUnicast (\r
+ IN EFI_IPv6_ADDRESS *Ip6\r
)\r
{\r
- EFI_TIME Time;\r
- UINT32 Seed;\r
+ UINT8 Byte;\r
+ UINT8 Index;\r
\r
- gRT->GetTime (&Time, NULL);\r
- Seed = (~Time.Hour << 24 | Time.Day << 16 | Time.Minute << 8 | Time.Second);\r
- Seed ^= Time.Nanosecond;\r
- Seed ^= Time.Year << 7;\r
+ if (Ip6->Addr[0] == 0xFF) {\r
+ return FALSE;\r
+ }\r
\r
- return Seed;\r
-}\r
+ for (Index = 0; Index < 15; Index++) {\r
+ if (Ip6->Addr[Index] != 0) {\r
+ return TRUE;\r
+ }\r
+ }\r
+\r
+ Byte = Ip6->Addr[Index];\r
+\r
+ if (Byte == 0x0 || Byte == 0x1) {\r
+ return FALSE;\r
+ }\r
\r
+ return TRUE;\r
+}\r
\r
/**\r
- Extract a UINT32 from a byte stream, then convert it to host\r
- byte order. Use this function to avoid alignment error.\r
+ Check whether the incoming Ipv6 address is the unspecified address or not.\r
\r
- @param Buf The buffer to extract the UINT32.\r
+ @param[in] Ip6 - Ip6 address, in network order.\r
\r
- @return The UINT32 extracted.\r
+ @retval TRUE - Yes, unspecified\r
+ @retval FALSE - No\r
\r
**/\r
-UINT32\r
+BOOLEAN\r
EFIAPI\r
-NetGetUint32 (\r
- IN UINT8 *Buf\r
+NetIp6IsUnspecifiedAddr (\r
+ IN EFI_IPv6_ADDRESS *Ip6\r
)\r
{\r
- UINT32 Value;\r
+ UINT8 Index;\r
\r
- CopyMem (&Value, Buf, sizeof (UINT32));\r
- return NTOHL (Value);\r
-}\r
+ for (Index = 0; Index < 16; Index++) {\r
+ if (Ip6->Addr[Index] != 0) {\r
+ return FALSE;\r
+ }\r
+ }\r
\r
+ return TRUE;\r
+}\r
\r
/**\r
- Put a UINT32 to the byte stream. Convert it from host byte order\r
- to network byte order before putting.\r
+ Check whether the incoming Ipv6 address is a link-local address.\r
\r
- @param Buf The buffer to put the UINT32\r
- @param Data The data to put\r
+ @param[in] Ip6 - Ip6 address, in network order.\r
\r
- @return None\r
+ @retval TRUE - Yes, link-local address\r
+ @retval FALSE - No\r
\r
**/\r
-VOID\r
+BOOLEAN\r
EFIAPI\r
-NetPutUint32 (\r
- IN UINT8 *Buf,\r
- IN UINT32 Data\r
+NetIp6IsLinkLocalAddr (\r
+ IN EFI_IPv6_ADDRESS *Ip6\r
)\r
{\r
- Data = HTONL (Data);\r
- CopyMem (Buf, &Data, sizeof (UINT32));\r
-}\r
+ UINT8 Index;\r
+\r
+ ASSERT (Ip6 != NULL);\r
+\r
+ if (Ip6->Addr[0] != 0xFE) {\r
+ return FALSE;\r
+ }\r
+\r
+ if (Ip6->Addr[1] != 0x80) {\r
+ return FALSE;\r
+ }\r
+\r
+ for (Index = 2; Index < 8; Index++) {\r
+ if (Ip6->Addr[Index] != 0) {\r
+ return FALSE;\r
+ }\r
+ }\r
\r
+ return TRUE;\r
+}\r
\r
/**\r
- Remove the first entry on the list\r
+ Check whether the Ipv6 address1 and address2 are on the connected network.\r
\r
- @param Head The list header\r
+ @param[in] Ip1 - Ip6 address1, in network order.\r
+ @param[in] Ip2 - Ip6 address2, in network order.\r
+ @param[in] PrefixLength - The prefix length of the checking net.\r
\r
- @return The entry that is removed from the list, NULL if the list is empty.\r
+ @retval TRUE - Yes, connected.\r
+ @retval FALSE - No.\r
\r
**/\r
-LIST_ENTRY *\r
+BOOLEAN\r
EFIAPI\r
-NetListRemoveHead (\r
- LIST_ENTRY *Head\r
+NetIp6IsNetEqual (\r
+ EFI_IPv6_ADDRESS *Ip1,\r
+ EFI_IPv6_ADDRESS *Ip2,\r
+ UINT8 PrefixLength\r
)\r
{\r
- LIST_ENTRY *First;\r
+ UINT8 Byte;\r
+ UINT8 Bit;\r
+ UINT8 Mask;\r
\r
- ASSERT (Head != NULL);\r
+ ASSERT ((Ip1 != NULL) && (Ip2 != NULL) && (PrefixLength < IP6_PREFIX_NUM));\r
\r
- if (IsListEmpty (Head)) {\r
- return NULL;\r
+ if (PrefixLength == 0) {\r
+ return TRUE;\r
}\r
\r
- First = Head->ForwardLink;\r
- Head->ForwardLink = First->ForwardLink;\r
- First->ForwardLink->BackLink = Head;\r
+ Byte = (UINT8) (PrefixLength / 8);\r
+ Bit = (UINT8) (PrefixLength % 8);\r
\r
- DEBUG_CODE (\r
- First->ForwardLink = (LIST_ENTRY *) NULL;\r
- First->BackLink = (LIST_ENTRY *) NULL;\r
- );\r
+ if (CompareMem (Ip1, Ip2, Byte) != 0) {\r
+ return FALSE;\r
+ }\r
\r
- return First;\r
+ if (Bit > 0) {\r
+ Mask = (UINT8) (0xFF << (8 - Bit));\r
+\r
+ ASSERT (Byte < 16);\r
+ if ((Ip1->Addr[Byte] & Mask) != (Ip2->Addr[Byte] & Mask)) {\r
+ return FALSE;\r
+ }\r
+ }\r
+\r
+ return TRUE;\r
}\r
\r
\r
/**\r
- Remove the last entry on the list\r
+ Switches the endianess of an IPv6 address\r
\r
- @param Head The list head\r
+ This function swaps the bytes in a 128-bit IPv6 address to switch the value\r
+ from little endian to big endian or vice versa. The byte swapped value is\r
+ returned.\r
\r
- @return The entry that is removed from the list, NULL if the list is empty.\r
+ @param Ip6 Points to an IPv6 address\r
+\r
+ @return The byte swapped IPv6 address.\r
\r
**/\r
-LIST_ENTRY *\r
+EFI_IPv6_ADDRESS *\r
EFIAPI\r
-NetListRemoveTail (\r
- LIST_ENTRY *Head\r
+Ip6Swap128 (\r
+ EFI_IPv6_ADDRESS *Ip6\r
)\r
{\r
- LIST_ENTRY *Last;\r
+ UINT64 High;\r
+ UINT64 Low;\r
\r
- ASSERT (Head != NULL);\r
+ CopyMem (&High, Ip6, sizeof (UINT64));\r
+ CopyMem (&Low, &Ip6->Addr[8], sizeof (UINT64));\r
\r
- if (IsListEmpty (Head)) {\r
+ High = SwapBytes64 (High);\r
+ Low = SwapBytes64 (Low);\r
+\r
+ CopyMem (Ip6, &Low, sizeof (UINT64));\r
+ CopyMem (&Ip6->Addr[8], &High, sizeof (UINT64));\r
+\r
+ return Ip6;\r
+}\r
+\r
+/**\r
+ Initialize a random seed using current time.\r
+\r
+ Get current time first. Then initialize a random seed based on some basic\r
+ mathematics operation on the hour, day, minute, second, nanosecond and year\r
+ of the current time.\r
+\r
+ @return The random seed initialized with current time.\r
+\r
+**/\r
+UINT32\r
+EFIAPI\r
+NetRandomInitSeed (\r
+ VOID\r
+ )\r
+{\r
+ EFI_TIME Time;\r
+ UINT32 Seed;\r
+\r
+ gRT->GetTime (&Time, NULL);\r
+ Seed = (~Time.Hour << 24 | Time.Day << 16 | Time.Minute << 8 | Time.Second);\r
+ Seed ^= Time.Nanosecond;\r
+ Seed ^= Time.Year << 7;\r
+\r
+ return Seed;\r
+}\r
+\r
+\r
+/**\r
+ Extract a UINT32 from a byte stream.\r
+\r
+ Copy a UINT32 from a byte stream, then converts it from Network\r
+ byte order to host byte order. Use this function to avoid alignment error.\r
+\r
+ @param[in] Buf The buffer to extract the UINT32.\r
+\r
+ @return The UINT32 extracted.\r
+\r
+**/\r
+UINT32\r
+EFIAPI\r
+NetGetUint32 (\r
+ IN UINT8 *Buf\r
+ )\r
+{\r
+ UINT32 Value;\r
+\r
+ CopyMem (&Value, Buf, sizeof (UINT32));\r
+ return NTOHL (Value);\r
+}\r
+\r
+\r
+/**\r
+ Put a UINT32 to the byte stream in network byte order.\r
+\r
+ Converts a UINT32 from host byte order to network byte order. Then copy it to the\r
+ byte stream.\r
+\r
+ @param[in, out] Buf The buffer to put the UINT32.\r
+ @param[in] Data The data to be converted and put into the byte stream.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+NetPutUint32 (\r
+ IN OUT UINT8 *Buf,\r
+ IN UINT32 Data\r
+ )\r
+{\r
+ Data = HTONL (Data);\r
+ CopyMem (Buf, &Data, sizeof (UINT32));\r
+}\r
+\r
+\r
+/**\r
+ Remove the first node entry on the list, and return the removed node entry.\r
+\r
+ Removes the first node Entry from a doubly linked list. It is up to the caller of\r
+ this function to release the memory used by the first node if that is required. On\r
+ exit, the removed node is returned.\r
+\r
+ If Head is NULL, then ASSERT().\r
+ If Head was not initialized, then ASSERT().\r
+ If PcdMaximumLinkedListLength is not zero, and the number of nodes in the\r
+ linked list including the head node is greater than or equal to PcdMaximumLinkedListLength,\r
+ then ASSERT().\r
+\r
+ @param[in, out] Head The list header.\r
+\r
+ @return The first node entry that is removed from the list, NULL if the list is empty.\r
+\r
+**/\r
+LIST_ENTRY *\r
+EFIAPI\r
+NetListRemoveHead (\r
+ IN OUT LIST_ENTRY *Head\r
+ )\r
+{\r
+ LIST_ENTRY *First;\r
+\r
+ ASSERT (Head != NULL);\r
+\r
+ if (IsListEmpty (Head)) {\r
+ return NULL;\r
+ }\r
+\r
+ First = Head->ForwardLink;\r
+ Head->ForwardLink = First->ForwardLink;\r
+ First->ForwardLink->BackLink = Head;\r
+\r
+ DEBUG_CODE (\r
+ First->ForwardLink = (LIST_ENTRY *) NULL;\r
+ First->BackLink = (LIST_ENTRY *) NULL;\r
+ );\r
+\r
+ return First;\r
+}\r
+\r
+\r
+/**\r
+ Remove the last node entry on the list and and return the removed node entry.\r
+\r
+ Removes the last node entry from a doubly linked list. It is up to the caller of\r
+ this function to release the memory used by the first node if that is required. On\r
+ exit, the removed node is returned.\r
+\r
+ If Head is NULL, then ASSERT().\r
+ If Head was not initialized, then ASSERT().\r
+ If PcdMaximumLinkedListLength is not zero, and the number of nodes in the\r
+ linked list including the head node is greater than or equal to PcdMaximumLinkedListLength,\r
+ then ASSERT().\r
+\r
+ @param[in, out] Head The list head.\r
+\r
+ @return The last node entry that is removed from the list, NULL if the list is empty.\r
+\r
+**/\r
+LIST_ENTRY *\r
+EFIAPI\r
+NetListRemoveTail (\r
+ IN OUT LIST_ENTRY *Head\r
+ )\r
+{\r
+ LIST_ENTRY *Last;\r
+\r
+ ASSERT (Head != NULL);\r
+\r
+ if (IsListEmpty (Head)) {\r
return NULL;\r
}\r
\r
\r
\r
/**\r
- Insert the NewEntry after the PrevEntry\r
+ Insert a new node entry after a designated node entry of a doubly linked list.\r
\r
- @param PrevEntry The previous entry to insert after\r
- @param NewEntry The new entry to insert\r
+ Inserts a new node entry donated by NewEntry after the node entry donated by PrevEntry\r
+ of the doubly linked list.\r
\r
- @return None\r
+ @param[in, out] PrevEntry The previous entry to insert after.\r
+ @param[in, out] NewEntry The new entry to insert.\r
\r
**/\r
VOID\r
EFIAPI\r
NetListInsertAfter (\r
- IN LIST_ENTRY *PrevEntry,\r
- IN LIST_ENTRY *NewEntry\r
+ IN OUT LIST_ENTRY *PrevEntry,\r
+ IN OUT LIST_ENTRY *NewEntry\r
)\r
{\r
NewEntry->BackLink = PrevEntry;\r
\r
\r
/**\r
- Insert the NewEntry before the PostEntry\r
+ Insert a new node entry before a designated node entry of a doubly linked list.\r
\r
- @param PostEntry The entry to insert before\r
- @param NewEntry The new entry to insert\r
+ Inserts a new node entry donated by NewEntry after the node entry donated by PostEntry\r
+ of the doubly linked list.\r
\r
- @return None\r
+ @param[in, out] PostEntry The entry to insert before.\r
+ @param[in, out] NewEntry The new entry to insert.\r
\r
**/\r
VOID\r
EFIAPI\r
NetListInsertBefore (\r
- IN LIST_ENTRY *PostEntry,\r
- IN LIST_ENTRY *NewEntry\r
+ IN OUT LIST_ENTRY *PostEntry,\r
+ IN OUT LIST_ENTRY *NewEntry\r
)\r
{\r
NewEntry->ForwardLink = PostEntry;\r
PostEntry->BackLink = NewEntry;\r
}\r
\r
+/**\r
+ Safe destroy nodes in a linked list, and return the length of the list after all possible operations finished.\r
+\r
+ Destroy network child instance list by list traversals is not safe due to graph dependencies between nodes.\r
+ This function performs a safe traversal to destroy these nodes by checking to see if the node being destroyed\r
+ has been removed from the list or not.\r
+ If it has been removed, then restart the traversal from the head.\r
+ If it hasn't been removed, then continue with the next node directly.\r
+ This function will end the iterate and return the CallBack's last return value if error happens,\r
+ or retrun EFI_SUCCESS if 2 complete passes are made with no changes in the number of children in the list. \r
+\r
+ @param[in] List The head of the list.\r
+ @param[in] CallBack Pointer to the callback function to destroy one node in the list.\r
+ @param[in] Context Pointer to the callback function's context: corresponds to the\r
+ parameter Context in NET_DESTROY_LINK_LIST_CALLBACK.\r
+ @param[out] ListLength The length of the link list if the function returns successfully.\r
+\r
+ @retval EFI_SUCCESS Two complete passes are made with no changes in the number of children.\r
+ @retval EFI_INVALID_PARAMETER The input parameter is invalid.\r
+ @retval Others Return the CallBack's last return value.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+NetDestroyLinkList (\r
+ IN LIST_ENTRY *List,\r
+ IN NET_DESTROY_LINK_LIST_CALLBACK CallBack,\r
+ IN VOID *Context, OPTIONAL\r
+ OUT UINTN *ListLength OPTIONAL\r
+ )\r
+{\r
+ UINTN PreviousLength;\r
+ LIST_ENTRY *Entry;\r
+ LIST_ENTRY *Ptr;\r
+ UINTN Length;\r
+ EFI_STATUS Status;\r
+\r
+ if (List == NULL || CallBack == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ Length = 0;\r
+ do {\r
+ PreviousLength = Length;\r
+ Entry = GetFirstNode (List);\r
+ while (!IsNull (List, Entry)) {\r
+ Status = CallBack (Entry, Context);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ //\r
+ // Walk through the list to see whether the Entry has been removed or not.\r
+ // If the Entry still exists, just try to destroy the next one.\r
+ // If not, go back to the start point to iterate the list again.\r
+ //\r
+ for (Ptr = List->ForwardLink; Ptr != List; Ptr = Ptr->ForwardLink) {\r
+ if (Ptr == Entry) {\r
+ break;\r
+ }\r
+ }\r
+ if (Ptr == Entry) {\r
+ Entry = GetNextNode (List, Entry);\r
+ } else {\r
+ Entry = GetFirstNode (List);\r
+ }\r
+ }\r
+ for (Length = 0, Ptr = List->ForwardLink; Ptr != List; Length++, Ptr = Ptr->ForwardLink);\r
+ } while (Length != PreviousLength);\r
+\r
+ if (ListLength != NULL) {\r
+ *ListLength = Length;\r
+ }\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+/**\r
+ This function checks the input Handle to see if it's one of these handles in ChildHandleBuffer.\r
+\r
+ @param[in] Handle Handle to be checked.\r
+ @param[in] NumberOfChildren Number of Handles in ChildHandleBuffer.\r
+ @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL\r
+ if NumberOfChildren is 0.\r
+\r
+ @retval TURE Found the input Handle in ChildHandleBuffer.\r
+ @retval FALSE Can't find the input Handle in ChildHandleBuffer.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+NetIsInHandleBuffer (\r
+ IN EFI_HANDLE Handle,\r
+ IN UINTN NumberOfChildren,\r
+ IN EFI_HANDLE *ChildHandleBuffer OPTIONAL\r
+ )\r
+{\r
+ UINTN Index;\r
+ \r
+ if (NumberOfChildren == 0 || ChildHandleBuffer == NULL) {\r
+ return FALSE;\r
+ }\r
+\r
+ for (Index = 0; Index < NumberOfChildren; Index++) {\r
+ if (Handle == ChildHandleBuffer[Index]) {\r
+ return TRUE;\r
+ }\r
+ }\r
+\r
+ return FALSE;\r
+}\r
+\r
\r
/**\r
Initialize the netmap. Netmap is a reposity to keep the <Key, Value> pairs.\r
\r
- @param Map The netmap to initialize\r
+ Initialize the forward and backward links of two head nodes donated by Map->Used\r
+ and Map->Recycled of two doubly linked lists.\r
+ Initializes the count of the <Key, Value> pairs in the netmap to zero.\r
\r
- @return None\r
+ If Map is NULL, then ASSERT().\r
+ If the address of Map->Used is NULL, then ASSERT().\r
+ If the address of Map->Recycled is NULl, then ASSERT().\r
+\r
+ @param[in, out] Map The netmap to initialize.\r
\r
**/\r
VOID\r
EFIAPI\r
NetMapInit (\r
- IN NET_MAP *Map\r
+ IN OUT NET_MAP *Map\r
)\r
{\r
ASSERT (Map != NULL);\r
/**\r
To clean up the netmap, that is, release allocated memories.\r
\r
- @param Map The netmap to clean up.\r
+ Removes all nodes of the Used doubly linked list and free memory of all related netmap items.\r
+ Removes all nodes of the Recycled doubly linked list and free memory of all related netmap items.\r
+ The number of the <Key, Value> pairs in the netmap is set to be zero.\r
\r
- @return None\r
+ If Map is NULL, then ASSERT().\r
+\r
+ @param[in, out] Map The netmap to clean up.\r
\r
**/\r
VOID\r
EFIAPI\r
NetMapClean (\r
- IN NET_MAP *Map\r
+ IN OUT NET_MAP *Map\r
)\r
{\r
NET_MAP_ITEM *Item;\r
\r
\r
/**\r
- Test whether the netmap is empty\r
+ Test whether the netmap is empty and return true if it is.\r
+\r
+ If the number of the <Key, Value> pairs in the netmap is zero, return TRUE.\r
+\r
+ If Map is NULL, then ASSERT().\r
\r
- @param Map The net map to test\r
+\r
+ @param[in] Map The net map to test.\r
\r
@return TRUE if the netmap is empty, otherwise FALSE.\r
\r
/**\r
Return the number of the <Key, Value> pairs in the netmap.\r
\r
- @param Map The netmap to get the entry number\r
+ @param[in] Map The netmap to get the entry number.\r
\r
@return The entry number in the netmap.\r
\r
\r
\r
/**\r
- Allocate an item for the netmap. It will try to allocate\r
- a batch of items and return one.\r
+ Return one allocated item.\r
+\r
+ If the Recycled doubly linked list of the netmap is empty, it will try to allocate\r
+ a batch of items if there are enough resources and add corresponding nodes to the begining\r
+ of the Recycled doubly linked list of the netmap. Otherwise, it will directly remove\r
+ the fist node entry of the Recycled doubly linked list and return the corresponding item.\r
\r
- @param Map The netmap to allocate item for\r
+ If Map is NULL, then ASSERT().\r
\r
- @return The allocated item or NULL\r
+ @param[in, out] Map The netmap to allocate item for.\r
+\r
+ @return The allocated item. If NULL, the\r
+ allocation failed due to resource limit.\r
\r
**/\r
-STATIC\r
NET_MAP_ITEM *\r
NetMapAllocItem (\r
- IN NET_MAP *Map\r
+ IN OUT NET_MAP *Map\r
)\r
{\r
NET_MAP_ITEM *Item;\r
/**\r
Allocate an item to save the <Key, Value> pair to the head of the netmap.\r
\r
- @param Map The netmap to insert into\r
- @param Key The user's key\r
- @param Value The user's value for the key\r
+ Allocate an item to save the <Key, Value> pair and add corresponding node entry\r
+ to the beginning of the Used doubly linked list. The number of the <Key, Value>\r
+ pairs in the netmap increase by 1.\r
\r
- @retval EFI_OUT_OF_RESOURCES Failed to allocate the memory for the item\r
- @retval EFI_SUCCESS The item is inserted to the head\r
+ If Map is NULL, then ASSERT().\r
+\r
+ @param[in, out] Map The netmap to insert into.\r
+ @param[in] Key The user's key.\r
+ @param[in] Value The user's value for the key.\r
+\r
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate the memory for the item.\r
+ @retval EFI_SUCCESS The item is inserted to the head.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
NetMapInsertHead (\r
- IN NET_MAP *Map,\r
+ IN OUT NET_MAP *Map,\r
IN VOID *Key,\r
IN VOID *Value OPTIONAL\r
)\r
/**\r
Allocate an item to save the <Key, Value> pair to the tail of the netmap.\r
\r
- @param Map The netmap to insert into\r
- @param Key The user's key\r
- @param Value The user's value for the key\r
+ Allocate an item to save the <Key, Value> pair and add corresponding node entry\r
+ to the tail of the Used doubly linked list. The number of the <Key, Value>\r
+ pairs in the netmap increase by 1.\r
+\r
+ If Map is NULL, then ASSERT().\r
\r
- @retval EFI_OUT_OF_RESOURCES Failed to allocate the memory for the item\r
- @retval EFI_SUCCESS The item is inserted to the tail\r
+ @param[in, out] Map The netmap to insert into.\r
+ @param[in] Key The user's key.\r
+ @param[in] Value The user's value for the key.\r
+\r
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate the memory for the item.\r
+ @retval EFI_SUCCESS The item is inserted to the tail.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
NetMapInsertTail (\r
- IN NET_MAP *Map,\r
+ IN OUT NET_MAP *Map,\r
IN VOID *Key,\r
IN VOID *Value OPTIONAL\r
)\r
\r
\r
/**\r
- Check whther the item is in the Map\r
+ Check whether the item is in the Map and return TRUE if it is.\r
\r
- @param Map The netmap to search within\r
- @param Item The item to search\r
+ @param[in] Map The netmap to search within.\r
+ @param[in] Item The item to search.\r
\r
@return TRUE if the item is in the netmap, otherwise FALSE.\r
\r
**/\r
-STATIC\r
BOOLEAN\r
NetItemInMap (\r
IN NET_MAP *Map,\r
\r
\r
/**\r
- Find the key in the netmap\r
+ Find the key in the netmap and returns the point to the item contains the Key.\r
+\r
+ Iterate the Used doubly linked list of the netmap to get every item. Compare the key of every\r
+ item with the key to search. It returns the point to the item contains the Key if found.\r
+\r
+ If Map is NULL, then ASSERT().\r
\r
- @param Map The netmap to search within\r
- @param Key The key to search\r
+ @param[in] Map The netmap to search within.\r
+ @param[in] Key The key to search.\r
\r
@return The point to the item contains the Key, or NULL if Key isn't in the map.\r
\r
\r
\r
/**\r
- Remove the item from the netmap\r
+ Remove the node entry of the item from the netmap and return the key of the removed item.\r
\r
- @param Map The netmap to remove the item from\r
- @param Item The item to remove\r
- @param Value The variable to receive the value if not NULL\r
+ Remove the node entry of the item from the Used doubly linked list of the netmap.\r
+ The number of the <Key, Value> pairs in the netmap decrease by 1. Then add the node\r
+ entry of the item to the Recycled doubly linked list of the netmap. If Value is not NULL,\r
+ Value will point to the value of the item. It returns the key of the removed item.\r
\r
- @return The key of the removed item.\r
+ If Map is NULL, then ASSERT().\r
+ If Item is NULL, then ASSERT().\r
+ if item in not in the netmap, then ASSERT().\r
+\r
+ @param[in, out] Map The netmap to remove the item from.\r
+ @param[in, out] Item The item to remove.\r
+ @param[out] Value The variable to receive the value if not NULL.\r
+\r
+ @return The key of the removed item.\r
\r
**/\r
VOID *\r
EFIAPI\r
NetMapRemoveItem (\r
- IN NET_MAP *Map,\r
- IN NET_MAP_ITEM *Item,\r
- OUT VOID **Value OPTIONAL\r
+ IN OUT NET_MAP *Map,\r
+ IN OUT NET_MAP_ITEM *Item,\r
+ OUT VOID **Value OPTIONAL\r
)\r
{\r
ASSERT ((Map != NULL) && (Item != NULL));\r
\r
\r
/**\r
- Remove the first entry on the netmap\r
+ Remove the first node entry on the netmap and return the key of the removed item.\r
+\r
+ Remove the first node entry from the Used doubly linked list of the netmap.\r
+ The number of the <Key, Value> pairs in the netmap decrease by 1. Then add the node\r
+ entry to the Recycled doubly linked list of the netmap. If parameter Value is not NULL,\r
+ parameter Value will point to the value of the item. It returns the key of the removed item.\r
+\r
+ If Map is NULL, then ASSERT().\r
+ If the Used doubly linked list is empty, then ASSERT().\r
\r
- @param Map The netmap to remove the head from\r
- @param Value The variable to receive the value if not NULL\r
+ @param[in, out] Map The netmap to remove the head from.\r
+ @param[out] Value The variable to receive the value if not NULL.\r
\r
- @return The key of the item removed\r
+ @return The key of the item removed.\r
\r
**/\r
VOID *\r
EFIAPI\r
NetMapRemoveHead (\r
- IN NET_MAP *Map,\r
+ IN OUT NET_MAP *Map,\r
OUT VOID **Value OPTIONAL\r
)\r
{\r
\r
\r
/**\r
- Remove the last entry on the netmap\r
+ Remove the last node entry on the netmap and return the key of the removed item.\r
+\r
+ Remove the last node entry from the Used doubly linked list of the netmap.\r
+ The number of the <Key, Value> pairs in the netmap decrease by 1. Then add the node\r
+ entry to the Recycled doubly linked list of the netmap. If parameter Value is not NULL,\r
+ parameter Value will point to the value of the item. It returns the key of the removed item.\r
\r
- @param Map The netmap to remove the tail from\r
- @param Value The variable to receive the value if not NULL\r
+ If Map is NULL, then ASSERT().\r
+ If the Used doubly linked list is empty, then ASSERT().\r
\r
- @return The key of the item removed\r
+ @param[in, out] Map The netmap to remove the tail from.\r
+ @param[out] Value The variable to receive the value if not NULL.\r
+\r
+ @return The key of the item removed.\r
\r
**/\r
VOID *\r
EFIAPI\r
NetMapRemoveTail (\r
- IN NET_MAP *Map,\r
+ IN OUT NET_MAP *Map,\r
OUT VOID **Value OPTIONAL\r
)\r
{\r
\r
\r
/**\r
- Iterate through the netmap and call CallBack for each item. It will\r
- contiue the traverse if CallBack returns EFI_SUCCESS, otherwise, break\r
- from the loop. It returns the CallBack's last return value. This\r
- function is delete safe for the current item.\r
+ Iterate through the netmap and call CallBack for each item.\r
\r
- @param Map The Map to iterate through\r
- @param CallBack The callback function to call for each item.\r
- @param Arg The opaque parameter to the callback\r
+ It will contiue the traverse if CallBack returns EFI_SUCCESS, otherwise, break\r
+ from the loop. It returns the CallBack's last return value. This function is\r
+ delete safe for the current item.\r
\r
- @return It returns the CallBack's last return value.\r
+ If Map is NULL, then ASSERT().\r
+ If CallBack is NULL, then ASSERT().\r
+\r
+ @param[in] Map The Map to iterate through.\r
+ @param[in] CallBack The callback function to call for each item.\r
+ @param[in] Arg The opaque parameter to the callback.\r
+\r
+ @retval EFI_SUCCESS There is no item in the netmap or CallBack for each item\r
+ return EFI_SUCCESS.\r
+ @retval Others It returns the CallBack's last return value.\r
\r
**/\r
EFI_STATUS\r
NetMapIterate (\r
IN NET_MAP *Map,\r
IN NET_MAP_CALLBACK CallBack,\r
- IN VOID *Arg\r
+ IN VOID *Arg OPTIONAL\r
)\r
{\r
\r
LIST_ENTRY *Entry;\r
LIST_ENTRY *Next;\r
LIST_ENTRY *Head;\r
- NET_MAP_ITEM *Item;\r
- EFI_STATUS Result;\r
+ NET_MAP_ITEM *Item;\r
+ EFI_STATUS Result;\r
\r
ASSERT ((Map != NULL) && (CallBack != NULL));\r
\r
/**\r
This is the default unload handle for all the network drivers.\r
\r
- @param ImageHandle The drivers' driver image.\r
+ Disconnect the driver specified by ImageHandle from all the devices in the handle database.\r
+ Uninstall all the protocols installed in the driver entry point.\r
+\r
+ @param[in] ImageHandle The drivers' driver image.\r
\r
@retval EFI_SUCCESS The image is unloaded.\r
@retval Others Failed to unload the image.\r
EFI_HANDLE *DeviceHandleBuffer;\r
UINTN DeviceHandleCount;\r
UINTN Index;\r
+ UINTN Index2;\r
EFI_DRIVER_BINDING_PROTOCOL *DriverBinding;\r
EFI_COMPONENT_NAME_PROTOCOL *ComponentName;\r
EFI_COMPONENT_NAME2_PROTOCOL *ComponentName2;\r
return Status;\r
}\r
\r
- //\r
- // Disconnect the driver specified by ImageHandle from all\r
- // the devices in the handle database.\r
- //\r
- for (Index = 0; Index < DeviceHandleCount; Index++) {\r
- Status = gBS->DisconnectController (\r
- DeviceHandleBuffer[Index],\r
- ImageHandle,\r
- NULL\r
- );\r
- }\r
-\r
- //\r
- // Uninstall all the protocols installed in the driver entry point\r
- //\r
for (Index = 0; Index < DeviceHandleCount; Index++) {\r
Status = gBS->HandleProtocol (\r
DeviceHandleBuffer[Index],\r
&gEfiDriverBindingProtocolGuid,\r
(VOID **) &DriverBinding\r
);\r
-\r
if (EFI_ERROR (Status)) {\r
continue;\r
}\r
if (DriverBinding->ImageHandle != ImageHandle) {\r
continue;\r
}\r
-\r
+ \r
+ //\r
+ // Disconnect the driver specified by ImageHandle from all\r
+ // the devices in the handle database.\r
+ //\r
+ for (Index2 = 0; Index2 < DeviceHandleCount; Index2++) {\r
+ Status = gBS->DisconnectController (\r
+ DeviceHandleBuffer[Index2],\r
+ DriverBinding->DriverBindingHandle,\r
+ NULL\r
+ );\r
+ }\r
+ \r
+ //\r
+ // Uninstall all the protocols installed in the driver entry point\r
+ // \r
gBS->UninstallProtocolInterface (\r
- ImageHandle,\r
+ DriverBinding->DriverBindingHandle,\r
&gEfiDriverBindingProtocolGuid,\r
DriverBinding\r
);\r
+ \r
Status = gBS->HandleProtocol (\r
DeviceHandleBuffer[Index],\r
&gEfiComponentNameProtocolGuid,\r
);\r
if (!EFI_ERROR (Status)) {\r
gBS->UninstallProtocolInterface (\r
- ImageHandle,\r
+ DriverBinding->DriverBindingHandle,\r
&gEfiComponentNameProtocolGuid,\r
ComponentName\r
);\r
);\r
if (!EFI_ERROR (Status)) {\r
gBS->UninstallProtocolInterface (\r
- ImageHandle,\r
+ DriverBinding->DriverBindingHandle,\r
&gEfiComponentName2ProtocolGuid,\r
ComponentName2\r
);\r
/**\r
Create a child of the service that is identified by ServiceBindingGuid.\r
\r
- @param Controller The controller which has the service installed.\r
- @param Image The image handle used to open service.\r
- @param ServiceBindingGuid The service's Guid.\r
- @param ChildHandle The handle to receive the create child\r
+ Get the ServiceBinding Protocol first, then use it to create a child.\r
+\r
+ If ServiceBindingGuid is NULL, then ASSERT().\r
+ If ChildHandle is NULL, then ASSERT().\r
+\r
+ @param[in] Controller The controller which has the service installed.\r
+ @param[in] Image The image handle used to open service.\r
+ @param[in] ServiceBindingGuid The service's Guid.\r
+ @param[in, out] ChildHandle The handle to receive the create child.\r
\r
@retval EFI_SUCCESS The child is successfully created.\r
@retval Others Failed to create the child.\r
IN EFI_HANDLE Controller,\r
IN EFI_HANDLE Image,\r
IN EFI_GUID *ServiceBindingGuid,\r
- OUT EFI_HANDLE *ChildHandle\r
+ IN OUT EFI_HANDLE *ChildHandle\r
)\r
{\r
EFI_STATUS Status;\r
\r
\r
/**\r
- Destory a child of the service that is identified by ServiceBindingGuid.\r
+ Destroy a child of the service that is identified by ServiceBindingGuid.\r
+\r
+ Get the ServiceBinding Protocol first, then use it to destroy a child.\r
+\r
+ If ServiceBindingGuid is NULL, then ASSERT().\r
\r
- @param Controller The controller which has the service installed.\r
- @param Image The image handle used to open service.\r
- @param ServiceBindingGuid The service's Guid.\r
- @param ChildHandle The child to destory\r
+ @param[in] Controller The controller which has the service installed.\r
+ @param[in] Image The image handle used to open service.\r
+ @param[in] ServiceBindingGuid The service's Guid.\r
+ @param[in] ChildHandle The child to destroy.\r
\r
- @retval EFI_SUCCESS The child is successfully destoried.\r
- @retval Others Failed to destory the child.\r
+ @retval EFI_SUCCESS The child is successfully destroyed.\r
+ @retval Others Failed to destroy the child.\r
\r
**/\r
EFI_STATUS\r
}\r
\r
//\r
- // destory the child\r
+ // destroy the child\r
//\r
Status = Service->DestroyChild (Service, ChildHandle);\r
return Status;\r
}\r
\r
-\r
/**\r
- Convert the mac address of the simple network protocol installed on\r
- SnpHandle to a unicode string. Callers are responsible for freeing the\r
- string storage.\r
+ Get handle with Simple Network Protocol installed on it.\r
+\r
+ There should be MNP Service Binding Protocol installed on the input ServiceHandle.\r
+ If Simple Network Protocol is already installed on the ServiceHandle, the\r
+ ServiceHandle will be returned. If SNP is not installed on the ServiceHandle,\r
+ try to find its parent handle with SNP installed.\r
\r
- @param SnpHandle The handle where the simple network protocol is\r
+ @param[in] ServiceHandle The handle where network service binding protocols are\r
installed on.\r
- @param ImageHandle The image handle used to act as the agent handle to\r
- get the simple network protocol.\r
- @param MacString The pointer to store the address of the string\r
- representation of the mac address.\r
+ @param[out] Snp The pointer to store the address of the SNP instance.\r
+ This is an optional parameter that may be NULL.\r
\r
- @retval EFI_OUT_OF_RESOURCES There are not enough memory resource.\r
- @retval other Failed to open the simple network protocol.\r
+ @return The SNP handle, or NULL if not found.\r
\r
**/\r
-EFI_STATUS\r
+EFI_HANDLE\r
EFIAPI\r
-NetLibGetMacString (\r
- IN EFI_HANDLE SnpHandle,\r
- IN EFI_HANDLE ImageHandle,\r
- IN OUT CHAR16 **MacString\r
+NetLibGetSnpHandle (\r
+ IN EFI_HANDLE ServiceHandle,\r
+ OUT EFI_SIMPLE_NETWORK_PROTOCOL **Snp OPTIONAL\r
)\r
{\r
EFI_STATUS Status;\r
- EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r
- EFI_SIMPLE_NETWORK_MODE *Mode;\r
- CHAR16 *MacAddress;\r
- UINTN Index;\r
-\r
- *MacString = NULL;\r
+ EFI_SIMPLE_NETWORK_PROTOCOL *SnpInstance;\r
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
+ EFI_HANDLE SnpHandle;\r
\r
//\r
- // Get the Simple Network protocol from the SnpHandle.\r
+ // Try to open SNP from ServiceHandle\r
//\r
- Status = gBS->OpenProtocol (\r
- SnpHandle,\r
- &gEfiSimpleNetworkProtocolGuid,\r
- (VOID **) &Snp,\r
- ImageHandle,\r
- SnpHandle,\r
- EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
+ SnpInstance = NULL;\r
+ Status = gBS->HandleProtocol (ServiceHandle, &gEfiSimpleNetworkProtocolGuid, (VOID **) &SnpInstance);\r
+ if (!EFI_ERROR (Status)) {\r
+ if (Snp != NULL) {\r
+ *Snp = SnpInstance;\r
+ }\r
+ return ServiceHandle;\r
}\r
\r
- Mode = Snp->Mode;\r
-\r
//\r
- // It takes 2 unicode characters to represent a 1 byte binary buffer.\r
- // Plus one unicode character for the null-terminator.\r
+ // Failed to open SNP, try to get SNP handle by LocateDevicePath()\r
//\r
- MacAddress = AllocatePool ((2 * Mode->HwAddressSize + 1) * sizeof (CHAR16));\r
- if (MacAddress == NULL) {\r
- return EFI_OUT_OF_RESOURCES;\r
+ DevicePath = DevicePathFromHandle (ServiceHandle);\r
+ if (DevicePath == NULL) {\r
+ return NULL;\r
}\r
\r
- //\r
- // Convert the mac address into a unicode string.\r
- //\r
- for (Index = 0; Index < Mode->HwAddressSize; Index++) {\r
- MacAddress[Index * 2] = NibbleToHexChar ((UINT8) (Mode->CurrentAddress.Addr[Index] >> 4));\r
- MacAddress[Index * 2 + 1] = NibbleToHexChar (Mode->CurrentAddress.Addr[Index]);\r
+ SnpHandle = NULL;\r
+ Status = gBS->LocateDevicePath (&gEfiSimpleNetworkProtocolGuid, &DevicePath, &SnpHandle);\r
+ if (EFI_ERROR (Status)) {\r
+ //\r
+ // Failed to find SNP handle\r
+ //\r
+ return NULL;\r
}\r
\r
- MacAddress[Mode->HwAddressSize * 2] = L'\0';\r
-\r
- *MacString = MacAddress;\r
+ Status = gBS->HandleProtocol (SnpHandle, &gEfiSimpleNetworkProtocolGuid, (VOID **) &SnpInstance);\r
+ if (!EFI_ERROR (Status)) {\r
+ if (Snp != NULL) {\r
+ *Snp = SnpInstance;\r
+ }\r
+ return SnpHandle;\r
+ }\r
\r
- return EFI_SUCCESS;\r
+ return NULL;\r
}\r
\r
/**\r
- Check the default address used by the IPv4 driver is static or dynamic (acquired\r
- from DHCP).\r
+ Retrieve VLAN ID of a VLAN device handle.\r
\r
- @param Controller The controller handle which has the NIC Ip4 Config Protocol\r
- relative with the default address to judge.\r
+ Search VLAN device path node in Device Path of specified ServiceHandle and\r
+ return its VLAN ID. If no VLAN device path node found, then this ServiceHandle\r
+ is not a VLAN device handle, and 0 will be returned.\r
\r
- @retval TRUE If the default address is static.\r
- @retval FALSE If the default address is acquired from DHCP.\r
+ @param[in] ServiceHandle The handle where network service binding protocols are\r
+ installed on.\r
+\r
+ @return VLAN ID of the device handle, or 0 if not a VLAN device.\r
\r
**/\r
-STATIC\r
-BOOLEAN\r
-NetLibDefaultAddressIsStatic (\r
- IN EFI_HANDLE Controller\r
+UINT16\r
+EFIAPI\r
+NetLibGetVlanId (\r
+ IN EFI_HANDLE ServiceHandle\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_NIC_IP4_CONFIG_PROTOCOL *NicIp4;\r
- UINTN Len;\r
- NIC_IP4_CONFIG_INFO *ConfigInfo;\r
- BOOLEAN IsStatic;\r
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
+ EFI_DEVICE_PATH_PROTOCOL *Node;\r
\r
- Status = gBS->HandleProtocol (\r
- Controller,\r
- &gEfiNicIp4ConfigProtocolGuid,\r
- (VOID **) &NicIp4\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return TRUE;\r
+ DevicePath = DevicePathFromHandle (ServiceHandle);\r
+ if (DevicePath == NULL) {\r
+ return 0;\r
}\r
\r
- Len = 0;\r
- Status = NicIp4->GetInfo (NicIp4, &Len, NULL);\r
- if (Status != EFI_BUFFER_TOO_SMALL) {\r
- return TRUE;\r
+ Node = DevicePath;\r
+ while (!IsDevicePathEnd (Node)) {\r
+ if (Node->Type == MESSAGING_DEVICE_PATH && Node->SubType == MSG_VLAN_DP) {\r
+ return ((VLAN_DEVICE_PATH *) Node)->VlanId;\r
+ }\r
+ Node = NextDevicePathNode (Node);\r
}\r
\r
- ConfigInfo = AllocatePool (Len);\r
- if (ConfigInfo == NULL) {\r
- return TRUE;\r
- }\r
+ return 0;\r
+}\r
\r
- IsStatic = TRUE;\r
- Status = NicIp4->GetInfo (NicIp4, &Len, ConfigInfo);\r
- if (EFI_ERROR (Status)) {\r
- goto ON_EXIT;\r
- }\r
+/**\r
+ Find VLAN device handle with specified VLAN ID.\r
\r
- IsStatic = (BOOLEAN) (ConfigInfo->Source == IP4_CONFIG_SOURCE_STATIC);\r
+ The VLAN child device handle is created by VLAN Config Protocol on ControllerHandle.\r
+ This function will append VLAN device path node to the parent device path,\r
+ and then use LocateDevicePath() to find the correct VLAN device handle.\r
\r
-ON_EXIT:\r
+ @param[in] ControllerHandle The handle where network service binding protocols are\r
+ installed on.\r
+ @param[in] VlanId The configured VLAN ID for the VLAN device.\r
\r
- gBS->FreePool (ConfigInfo);\r
+ @return The VLAN device handle, or NULL if not found.\r
\r
- return IsStatic;\r
+**/\r
+EFI_HANDLE\r
+EFIAPI\r
+NetLibGetVlanHandle (\r
+ IN EFI_HANDLE ControllerHandle,\r
+ IN UINT16 VlanId\r
+ )\r
+{\r
+ EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r
+ EFI_DEVICE_PATH_PROTOCOL *VlanDevicePath;\r
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
+ VLAN_DEVICE_PATH VlanNode;\r
+ EFI_HANDLE Handle;\r
+\r
+ ParentDevicePath = DevicePathFromHandle (ControllerHandle);\r
+ if (ParentDevicePath == NULL) {\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Construct VLAN device path\r
+ //\r
+ CopyMem (&VlanNode, &mNetVlanDevicePathTemplate, sizeof (VLAN_DEVICE_PATH));\r
+ VlanNode.VlanId = VlanId;\r
+ VlanDevicePath = AppendDevicePathNode (\r
+ ParentDevicePath,\r
+ (EFI_DEVICE_PATH_PROTOCOL *) &VlanNode\r
+ );\r
+ if (VlanDevicePath == NULL) {\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Find VLAN device handle\r
+ //\r
+ Handle = NULL;\r
+ DevicePath = VlanDevicePath;\r
+ gBS->LocateDevicePath (\r
+ &gEfiDevicePathProtocolGuid,\r
+ &DevicePath,\r
+ &Handle\r
+ );\r
+ if (!IsDevicePathEnd (DevicePath)) {\r
+ //\r
+ // Device path is not exactly match\r
+ //\r
+ Handle = NULL;\r
+ }\r
+\r
+ FreePool (VlanDevicePath);\r
+ return Handle;\r
+}\r
+\r
+/**\r
+ Get MAC address associated with the network service handle.\r
+\r
+ There should be MNP Service Binding Protocol installed on the input ServiceHandle.\r
+ If SNP is installed on the ServiceHandle or its parent handle, MAC address will\r
+ be retrieved from SNP. If no SNP found, try to get SNP mode data use MNP.\r
+\r
+ @param[in] ServiceHandle The handle where network service binding protocols are\r
+ installed on.\r
+ @param[out] MacAddress The pointer to store the returned MAC address.\r
+ @param[out] AddressSize The length of returned MAC address.\r
+\r
+ @retval EFI_SUCCESS MAC address is returned successfully.\r
+ @retval Others Failed to get SNP mode data.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+NetLibGetMacAddress (\r
+ IN EFI_HANDLE ServiceHandle,\r
+ OUT EFI_MAC_ADDRESS *MacAddress,\r
+ OUT UINTN *AddressSize\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r
+ EFI_SIMPLE_NETWORK_MODE *SnpMode;\r
+ EFI_SIMPLE_NETWORK_MODE SnpModeData;\r
+ EFI_MANAGED_NETWORK_PROTOCOL *Mnp;\r
+ EFI_SERVICE_BINDING_PROTOCOL *MnpSb;\r
+ EFI_HANDLE *SnpHandle;\r
+ EFI_HANDLE MnpChildHandle;\r
+\r
+ ASSERT (MacAddress != NULL);\r
+ ASSERT (AddressSize != NULL);\r
+\r
+ //\r
+ // Try to get SNP handle\r
+ //\r
+ Snp = NULL;\r
+ SnpHandle = NetLibGetSnpHandle (ServiceHandle, &Snp);\r
+ if (SnpHandle != NULL) {\r
+ //\r
+ // SNP found, use it directly\r
+ //\r
+ SnpMode = Snp->Mode;\r
+ } else {\r
+ //\r
+ // Failed to get SNP handle, try to get MAC address from MNP\r
+ //\r
+ MnpChildHandle = NULL;\r
+ Status = gBS->HandleProtocol (\r
+ ServiceHandle,\r
+ &gEfiManagedNetworkServiceBindingProtocolGuid,\r
+ (VOID **) &MnpSb\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ //\r
+ // Create a MNP child\r
+ //\r
+ Status = MnpSb->CreateChild (MnpSb, &MnpChildHandle);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ //\r
+ // Open MNP protocol\r
+ //\r
+ Status = gBS->HandleProtocol (\r
+ MnpChildHandle,\r
+ &gEfiManagedNetworkProtocolGuid,\r
+ (VOID **) &Mnp\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ MnpSb->DestroyChild (MnpSb, MnpChildHandle);\r
+ return Status;\r
+ }\r
+\r
+ //\r
+ // Try to get SNP mode from MNP\r
+ //\r
+ Status = Mnp->GetModeData (Mnp, NULL, &SnpModeData);\r
+ if (EFI_ERROR (Status) && (Status != EFI_NOT_STARTED)) {\r
+ MnpSb->DestroyChild (MnpSb, MnpChildHandle);\r
+ return Status;\r
+ }\r
+ SnpMode = &SnpModeData;\r
+\r
+ //\r
+ // Destroy the MNP child\r
+ //\r
+ MnpSb->DestroyChild (MnpSb, MnpChildHandle);\r
+ }\r
+\r
+ *AddressSize = SnpMode->HwAddressSize;\r
+ CopyMem (MacAddress->Addr, SnpMode->CurrentAddress.Addr, SnpMode->HwAddressSize);\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+/**\r
+ Convert MAC address of the NIC associated with specified Service Binding Handle\r
+ to a unicode string. Callers are responsible for freeing the string storage.\r
+\r
+ Locate simple network protocol associated with the Service Binding Handle and\r
+ get the mac address from SNP. Then convert the mac address into a unicode\r
+ string. It takes 2 unicode characters to represent a 1 byte binary buffer.\r
+ Plus one unicode character for the null-terminator.\r
+\r
+ @param[in] ServiceHandle The handle where network service binding protocol is\r
+ installed on.\r
+ @param[in] ImageHandle The image handle used to act as the agent handle to\r
+ get the simple network protocol. This parameter is\r
+ optional and may be NULL.\r
+ @param[out] MacString The pointer to store the address of the string\r
+ representation of the mac address.\r
+\r
+ @retval EFI_SUCCESS Convert the mac address a unicode string successfully.\r
+ @retval EFI_OUT_OF_RESOURCES There are not enough memory resource.\r
+ @retval Others Failed to open the simple network protocol.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+NetLibGetMacString (\r
+ IN EFI_HANDLE ServiceHandle,\r
+ IN EFI_HANDLE ImageHandle, OPTIONAL\r
+ OUT CHAR16 **MacString\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_MAC_ADDRESS MacAddress;\r
+ UINT8 *HwAddress;\r
+ UINTN HwAddressSize;\r
+ UINT16 VlanId;\r
+ CHAR16 *String;\r
+ UINTN Index;\r
+\r
+ ASSERT (MacString != NULL);\r
+\r
+ //\r
+ // Get MAC address of the network device\r
+ //\r
+ Status = NetLibGetMacAddress (ServiceHandle, &MacAddress, &HwAddressSize);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ //\r
+ // It takes 2 unicode characters to represent a 1 byte binary buffer.\r
+ // If VLAN is configured, it will need extra 5 characters like "\0005".\r
+ // Plus one unicode character for the null-terminator.\r
+ //\r
+ String = AllocateZeroPool ((2 * HwAddressSize + 5 + 1) * sizeof (CHAR16));\r
+ if (String == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+ *MacString = String;\r
+\r
+ //\r
+ // Convert the MAC address into a unicode string.\r
+ //\r
+ HwAddress = &MacAddress.Addr[0];\r
+ for (Index = 0; Index < HwAddressSize; Index++) {\r
+ String += UnicodeValueToString (String, PREFIX_ZERO | RADIX_HEX, *(HwAddress++), 2);\r
+ }\r
+\r
+ //\r
+ // Append VLAN ID if any\r
+ //\r
+ VlanId = NetLibGetVlanId (ServiceHandle);\r
+ if (VlanId != 0) {\r
+ *String++ = L'\\';\r
+ String += UnicodeValueToString (String, PREFIX_ZERO | RADIX_HEX, VlanId, 4);\r
+ }\r
+\r
+ //\r
+ // Null terminate the Unicode string\r
+ //\r
+ *String = L'\0';\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+/**\r
+ Detect media status for specified network device.\r
+\r
+ The underlying UNDI driver may or may not support reporting media status from\r
+ GET_STATUS command (PXE_STATFLAGS_GET_STATUS_NO_MEDIA_SUPPORTED). This routine\r
+ will try to invoke Snp->GetStatus() to get the media status: if media already\r
+ present, it return directly; if media not present, it will stop SNP and then\r
+ restart SNP to get the latest media status, this give chance to get the correct\r
+ media status for old UNDI driver which doesn't support reporting media status\r
+ from GET_STATUS command.\r
+ Note: there will be two limitations for current algorithm:\r
+ 1) for UNDI with this capability, in case of cable is not attached, there will\r
+ be an redundant Stop/Start() process;\r
+ 2) for UNDI without this capability, in case that network cable is attached when\r
+ Snp->Initialize() is invoked while network cable is unattached later,\r
+ NetLibDetectMedia() will report MediaPresent as TRUE, causing upper layer\r
+ apps to wait for timeout time.\r
+\r
+ @param[in] ServiceHandle The handle where network service binding protocols are\r
+ installed on.\r
+ @param[out] MediaPresent The pointer to store the media status.\r
+\r
+ @retval EFI_SUCCESS Media detection success.\r
+ @retval EFI_INVALID_PARAMETER ServiceHandle is not valid network device handle.\r
+ @retval EFI_UNSUPPORTED Network device does not support media detection.\r
+ @retval EFI_DEVICE_ERROR SNP is in unknown state.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+NetLibDetectMedia (\r
+ IN EFI_HANDLE ServiceHandle,\r
+ OUT BOOLEAN *MediaPresent\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_HANDLE SnpHandle;\r
+ EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r
+ UINT32 InterruptStatus;\r
+ UINT32 OldState;\r
+ EFI_MAC_ADDRESS *MCastFilter;\r
+ UINT32 MCastFilterCount;\r
+ UINT32 EnableFilterBits;\r
+ UINT32 DisableFilterBits;\r
+ BOOLEAN ResetMCastFilters;\r
+\r
+ ASSERT (MediaPresent != NULL);\r
+\r
+ //\r
+ // Get SNP handle\r
+ //\r
+ Snp = NULL;\r
+ SnpHandle = NetLibGetSnpHandle (ServiceHandle, &Snp);\r
+ if (SnpHandle == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ //\r
+ // Check whether SNP support media detection\r
+ //\r
+ if (!Snp->Mode->MediaPresentSupported) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ //\r
+ // Invoke Snp->GetStatus() to refresh MediaPresent field in SNP mode data\r
+ //\r
+ Status = Snp->GetStatus (Snp, &InterruptStatus, NULL);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ if (Snp->Mode->MediaPresent) {\r
+ //\r
+ // Media is present, return directly\r
+ //\r
+ *MediaPresent = TRUE;\r
+ return EFI_SUCCESS;\r
+ }\r
+\r
+ //\r
+ // Till now, GetStatus() report no media; while, in case UNDI not support\r
+ // reporting media status from GetStatus(), this media status may be incorrect.\r
+ // So, we will stop SNP and then restart it to get the correct media status.\r
+ //\r
+ OldState = Snp->Mode->State;\r
+ if (OldState >= EfiSimpleNetworkMaxState) {\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+\r
+ MCastFilter = NULL;\r
+\r
+ if (OldState == EfiSimpleNetworkInitialized) {\r
+ //\r
+ // SNP is already in use, need Shutdown/Stop and then Start/Initialize\r
+ //\r
+\r
+ //\r
+ // Backup current SNP receive filter settings\r
+ //\r
+ EnableFilterBits = Snp->Mode->ReceiveFilterSetting;\r
+ DisableFilterBits = Snp->Mode->ReceiveFilterMask ^ EnableFilterBits;\r
+\r
+ ResetMCastFilters = TRUE;\r
+ MCastFilterCount = Snp->Mode->MCastFilterCount;\r
+ if (MCastFilterCount != 0) {\r
+ MCastFilter = AllocateCopyPool (\r
+ MCastFilterCount * sizeof (EFI_MAC_ADDRESS),\r
+ Snp->Mode->MCastFilter\r
+ );\r
+ ASSERT (MCastFilter != NULL);\r
+\r
+ ResetMCastFilters = FALSE;\r
+ }\r
+\r
+ //\r
+ // Shutdown/Stop the simple network\r
+ //\r
+ Status = Snp->Shutdown (Snp);\r
+ if (!EFI_ERROR (Status)) {\r
+ Status = Snp->Stop (Snp);\r
+ }\r
+ if (EFI_ERROR (Status)) {\r
+ goto Exit;\r
+ }\r
+\r
+ //\r
+ // Start/Initialize the simple network\r
+ //\r
+ Status = Snp->Start (Snp);\r
+ if (!EFI_ERROR (Status)) {\r
+ Status = Snp->Initialize (Snp, 0, 0);\r
+ }\r
+ if (EFI_ERROR (Status)) {\r
+ goto Exit;\r
+ }\r
+\r
+ //\r
+ // Here we get the correct media status\r
+ //\r
+ *MediaPresent = Snp->Mode->MediaPresent;\r
+\r
+ //\r
+ // Restore SNP receive filter settings\r
+ //\r
+ Status = Snp->ReceiveFilters (\r
+ Snp,\r
+ EnableFilterBits,\r
+ DisableFilterBits,\r
+ ResetMCastFilters,\r
+ MCastFilterCount,\r
+ MCastFilter\r
+ );\r
+\r
+ if (MCastFilter != NULL) {\r
+ FreePool (MCastFilter);\r
+ }\r
+\r
+ return Status;\r
+ }\r
+\r
+ //\r
+ // SNP is not in use, it's in state of EfiSimpleNetworkStopped or EfiSimpleNetworkStarted\r
+ //\r
+ if (OldState == EfiSimpleNetworkStopped) {\r
+ //\r
+ // SNP not start yet, start it\r
+ //\r
+ Status = Snp->Start (Snp);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Exit;\r
+ }\r
+ }\r
+\r
+ //\r
+ // Initialize the simple network\r
+ //\r
+ Status = Snp->Initialize (Snp, 0, 0);\r
+ if (EFI_ERROR (Status)) {\r
+ Status = EFI_DEVICE_ERROR;\r
+ goto Exit;\r
+ }\r
+\r
+ //\r
+ // Here we get the correct media status\r
+ //\r
+ *MediaPresent = Snp->Mode->MediaPresent;\r
+\r
+ //\r
+ // Shut down the simple network\r
+ //\r
+ Snp->Shutdown (Snp);\r
+\r
+Exit:\r
+ if (OldState == EfiSimpleNetworkStopped) {\r
+ //\r
+ // Original SNP sate is Stopped, restore to original state\r
+ //\r
+ Snp->Stop (Snp);\r
+ }\r
+\r
+ if (MCastFilter != NULL) {\r
+ FreePool (MCastFilter);\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Check the default address used by the IPv4 driver is static or dynamic (acquired\r
+ from DHCP).\r
+\r
+ If the controller handle does not have the EFI_IP4_CONFIG2_PROTOCOL installed, the\r
+ default address is static. If failed to get the policy from Ip4 Config2 Protocol, \r
+ the default address is static. Otherwise, get the result from Ip4 Config2 Protocol.\r
+\r
+ @param[in] Controller The controller handle which has the EFI_IP4_CONFIG2_PROTOCOL \r
+ relative with the default address to judge.\r
+\r
+ @retval TRUE If the default address is static.\r
+ @retval FALSE If the default address is acquired from DHCP.\r
+\r
+**/\r
+BOOLEAN\r
+NetLibDefaultAddressIsStatic (\r
+ IN EFI_HANDLE Controller\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_IP4_CONFIG2_PROTOCOL *Ip4Config2;\r
+ UINTN DataSize; \r
+ EFI_IP4_CONFIG2_POLICY Policy;\r
+ BOOLEAN IsStatic;\r
+\r
+ Ip4Config2 = NULL;\r
+ \r
+ DataSize = sizeof (EFI_IP4_CONFIG2_POLICY);\r
+\r
+ IsStatic = TRUE;\r
+\r
+ //\r
+ // Get Ip4Config2 policy.\r
+ //\r
+ Status = gBS->HandleProtocol (Controller, &gEfiIp4Config2ProtocolGuid, (VOID **) &Ip4Config2);\r
+ if (EFI_ERROR (Status)) {\r
+ goto ON_EXIT;\r
+ }\r
+\r
+ Status = Ip4Config2->GetData (Ip4Config2, Ip4Config2DataTypePolicy, &DataSize, &Policy);\r
+ if (EFI_ERROR (Status)) {\r
+ goto ON_EXIT;\r
+ }\r
+ \r
+ IsStatic = (BOOLEAN) (Policy == Ip4Config2PolicyStatic);\r
+\r
+ON_EXIT:\r
+ \r
+ return IsStatic;\r
}\r
\r
/**\r
Create an IPv4 device path node.\r
\r
- @param Node Pointer to the IPv4 device path node.\r
- @param Controller The handle where the NIC IP4 config protocol resides.\r
- @param LocalIp The local IPv4 address.\r
- @param LocalPort The local port.\r
- @param RemoteIp The remote IPv4 address.\r
- @param RemotePort The remote port.\r
- @param Protocol The protocol type in the IP header.\r
- @param UseDefaultAddress Whether this instance is using default address or not.\r
+ The header type of IPv4 device path node is MESSAGING_DEVICE_PATH.\r
+ The header subtype of IPv4 device path node is MSG_IPv4_DP.\r
+ Get other info from parameters to make up the whole IPv4 device path node.\r
+\r
+ @param[in, out] Node Pointer to the IPv4 device path node.\r
+ @param[in] Controller The controller handle.\r
+ @param[in] LocalIp The local IPv4 address.\r
+ @param[in] LocalPort The local port.\r
+ @param[in] RemoteIp The remote IPv4 address.\r
+ @param[in] RemotePort The remote port.\r
+ @param[in] Protocol The protocol type in the IP header.\r
+ @param[in] UseDefaultAddress Whether this instance is using default address or not.\r
\r
- @retval None\r
**/\r
VOID\r
EFIAPI\r
{\r
Node->Header.Type = MESSAGING_DEVICE_PATH;\r
Node->Header.SubType = MSG_IPv4_DP;\r
- SetDevicePathNodeLength (&Node->Header, 19);\r
+ SetDevicePathNodeLength (&Node->Header, sizeof (IPv4_DEVICE_PATH));\r
\r
CopyMem (&Node->LocalIpAddress, &LocalIp, sizeof (EFI_IPv4_ADDRESS));\r
CopyMem (&Node->RemoteIpAddress, &RemoteIp, sizeof (EFI_IPv4_ADDRESS));\r
} else {\r
Node->StaticIpAddress = NetLibDefaultAddressIsStatic (Controller);\r
}\r
+\r
+ //\r
+ // Set the Gateway IP address to default value 0:0:0:0.\r
+ // Set the Subnet mask to default value 255:255:255:0.\r
+ //\r
+ ZeroMem (&Node->GatewayIpAddress, sizeof (EFI_IPv4_ADDRESS));\r
+ SetMem (&Node->SubnetMask, sizeof (EFI_IPv4_ADDRESS), 0xff);\r
+ Node->SubnetMask.Addr[3] = 0;\r
}\r
\r
+/**\r
+ Create an IPv6 device path node.\r
+\r
+ The header type of IPv6 device path node is MESSAGING_DEVICE_PATH.\r
+ The header subtype of IPv6 device path node is MSG_IPv6_DP.\r
+ Get other info from parameters to make up the whole IPv6 device path node.\r
+\r
+ @param[in, out] Node Pointer to the IPv6 device path node.\r
+ @param[in] Controller The controller handle.\r
+ @param[in] LocalIp The local IPv6 address.\r
+ @param[in] LocalPort The local port.\r
+ @param[in] RemoteIp The remote IPv6 address.\r
+ @param[in] RemotePort The remote port.\r
+ @param[in] Protocol The protocol type in the IP header.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+NetLibCreateIPv6DPathNode (\r
+ IN OUT IPv6_DEVICE_PATH *Node,\r
+ IN EFI_HANDLE Controller,\r
+ IN EFI_IPv6_ADDRESS *LocalIp,\r
+ IN UINT16 LocalPort,\r
+ IN EFI_IPv6_ADDRESS *RemoteIp,\r
+ IN UINT16 RemotePort,\r
+ IN UINT16 Protocol\r
+ )\r
+{\r
+ Node->Header.Type = MESSAGING_DEVICE_PATH;\r
+ Node->Header.SubType = MSG_IPv6_DP;\r
+ SetDevicePathNodeLength (&Node->Header, sizeof (IPv6_DEVICE_PATH));\r
+\r
+ CopyMem (&Node->LocalIpAddress, LocalIp, sizeof (EFI_IPv6_ADDRESS));\r
+ CopyMem (&Node->RemoteIpAddress, RemoteIp, sizeof (EFI_IPv6_ADDRESS));\r
+\r
+ Node->LocalPort = LocalPort;\r
+ Node->RemotePort = RemotePort;\r
+\r
+ Node->Protocol = Protocol;\r
+\r
+ //\r
+ // Set default value to IPAddressOrigin, PrefixLength.\r
+ // Set the Gateway IP address to unspecified address.\r
+ //\r
+ Node->IpAddressOrigin = 0;\r
+ Node->PrefixLength = IP6_PREFIX_LENGTH;\r
+ ZeroMem (&Node->GatewayIpAddress, sizeof (EFI_IPv6_ADDRESS));\r
+}\r
\r
/**\r
Find the UNDI/SNP handle from controller and protocol GUID.\r
+\r
For example, IP will open a MNP child to transmit/receive\r
packets, when MNP is stopped, IP should also be stopped. IP\r
needs to find its own private data which is related the IP's\r
IP opens these handle BY_DRIVER, use that info, we can get the\r
UNDI/SNP handle.\r
\r
- @param Controller Then protocol handle to check\r
- @param ProtocolGuid The protocol that is related with the handle.\r
+ @param[in] Controller Then protocol handle to check.\r
+ @param[in] ProtocolGuid The protocol that is related with the handle.\r
\r
- @return The UNDI/SNP handle or NULL.\r
+ @return The UNDI/SNP handle or NULL for errors.\r
\r
**/\r
EFI_HANDLE\r
Handle = NULL;\r
\r
for (Index = 0; Index < OpenCount; Index++) {\r
- if (OpenBuffer[Index].Attributes & EFI_OPEN_PROTOCOL_BY_DRIVER) {\r
+ if ((OpenBuffer[Index].Attributes & EFI_OPEN_PROTOCOL_BY_DRIVER) != 0) {\r
Handle = OpenBuffer[Index].ControllerHandle;\r
break;\r
}\r
}\r
\r
/**\r
- Add a Deferred Procedure Call to the end of the DPC queue.\r
+ Convert one Null-terminated ASCII string (decimal dotted) to EFI_IPv4_ADDRESS.\r
\r
- @DpcTpl The EFI_TPL that the DPC should be invoked.\r
- @DpcProcedure Pointer to the DPC's function.\r
- @DpcContext Pointer to the DPC's context. Passed to DpcProcedure\r
- when DpcProcedure is invoked.\r
+ @param[in] String The pointer to the Ascii string.\r
+ @param[out] Ip4Address The pointer to the converted IPv4 address.\r
\r
- @retval EFI_SUCCESS The DPC was queued.\r
- @retval EFI_INVALID_PARAMETER DpcTpl is not a valid EFI_TPL.\r
- DpcProcedure is NULL.\r
- @retval EFI_OUT_OF_RESOURCES There are not enough resources available to\r
- add the DPC to the queue.\r
+ @retval EFI_SUCCESS Convert to IPv4 address successfully.\r
+ @retval EFI_INVALID_PARAMETER The string is mal-formated or Ip4Address is NULL.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
-NetLibQueueDpc (\r
- IN EFI_TPL DpcTpl,\r
- IN EFI_DPC_PROCEDURE DpcProcedure,\r
- IN VOID *DpcContext OPTIONAL\r
+NetLibAsciiStrToIp4 (\r
+ IN CONST CHAR8 *String,\r
+ OUT EFI_IPv4_ADDRESS *Ip4Address\r
)\r
{\r
- return mDpc->QueueDpc (mDpc, DpcTpl, DpcProcedure, DpcContext);\r
+ UINT8 Index;\r
+ CHAR8 *Ip4Str;\r
+ CHAR8 *TempStr;\r
+ UINTN NodeVal;\r
+\r
+ if ((String == NULL) || (Ip4Address == NULL)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ Ip4Str = (CHAR8 *) String;\r
+\r
+ for (Index = 0; Index < 4; Index++) {\r
+ TempStr = Ip4Str;\r
+\r
+ while ((*Ip4Str != '\0') && (*Ip4Str != '.')) {\r
+ Ip4Str++;\r
+ }\r
+\r
+ //\r
+ // The IPv4 address is X.X.X.X\r
+ //\r
+ if (*Ip4Str == '.') {\r
+ if (Index == 3) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ } else {\r
+ if (Index != 3) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ }\r
+\r
+ //\r
+ // Convert the string to IPv4 address. AsciiStrDecimalToUintn stops at the\r
+ // first character that is not a valid decimal character, '.' or '\0' here.\r
+ //\r
+ NodeVal = AsciiStrDecimalToUintn (TempStr);\r
+ if (NodeVal > 0xFF) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ Ip4Address->Addr[Index] = (UINT8) NodeVal;\r
+\r
+ Ip4Str++;\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
}\r
\r
+\r
/**\r
- Add a Deferred Procedure Call to the end of the DPC queue.\r
+ Convert one Null-terminated ASCII string to EFI_IPv6_ADDRESS. The format of the\r
+ string is defined in RFC 4291 - Text Pepresentation of Addresses.\r
+\r
+ @param[in] String The pointer to the Ascii string.\r
+ @param[out] Ip6Address The pointer to the converted IPv6 address.\r
\r
- @retval EFI_SUCCESS One or more DPCs were invoked.\r
- @retval EFI_NOT_FOUND No DPCs were invoked.\r
+ @retval EFI_SUCCESS Convert to IPv6 address successfully.\r
+ @retval EFI_INVALID_PARAMETER The string is mal-formated or Ip6Address is NULL.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
-NetLibDispatchDpc (\r
- VOID\r
+NetLibAsciiStrToIp6 (\r
+ IN CONST CHAR8 *String,\r
+ OUT EFI_IPv6_ADDRESS *Ip6Address\r
)\r
{\r
- return mDpc->DispatchDpc(mDpc);\r
+ UINT8 Index;\r
+ CHAR8 *Ip6Str;\r
+ CHAR8 *TempStr;\r
+ CHAR8 *TempStr2;\r
+ UINT8 NodeCnt;\r
+ UINT8 TailNodeCnt;\r
+ UINT8 AllowedCnt;\r
+ UINTN NodeVal;\r
+ BOOLEAN Short;\r
+ BOOLEAN Update;\r
+ BOOLEAN LeadZero;\r
+ UINT8 LeadZeroCnt;\r
+ UINT8 Cnt;\r
+\r
+ if ((String == NULL) || (Ip6Address == NULL)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ Ip6Str = (CHAR8 *) String;\r
+ AllowedCnt = 6;\r
+ LeadZeroCnt = 0;\r
+\r
+ //\r
+ // An IPv6 address leading with : looks strange.\r
+ //\r
+ if (*Ip6Str == ':') {\r
+ if (*(Ip6Str + 1) != ':') {\r
+ return EFI_INVALID_PARAMETER;\r
+ } else {\r
+ AllowedCnt = 7;\r
+ }\r
+ }\r
+\r
+ ZeroMem (Ip6Address, sizeof (EFI_IPv6_ADDRESS));\r
+\r
+ NodeCnt = 0;\r
+ TailNodeCnt = 0;\r
+ Short = FALSE;\r
+ Update = FALSE;\r
+ LeadZero = FALSE;\r
+\r
+ for (Index = 0; Index < 15; Index = (UINT8) (Index + 2)) {\r
+ TempStr = Ip6Str;\r
+\r
+ while ((*Ip6Str != '\0') && (*Ip6Str != ':')) {\r
+ Ip6Str++;\r
+ }\r
+\r
+ if ((*Ip6Str == '\0') && (Index != 14)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ if (*Ip6Str == ':') {\r
+ if (*(Ip6Str + 1) == ':') {\r
+ if ((NodeCnt > 6) || \r
+ ((*(Ip6Str + 2) != '\0') && (AsciiStrHexToUintn (Ip6Str + 2) == 0))) {\r
+ //\r
+ // ::0 looks strange. report error to user.\r
+ //\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ if ((NodeCnt == 6) && (*(Ip6Str + 2) != '\0') && \r
+ (AsciiStrHexToUintn (Ip6Str + 2) != 0)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ //\r
+ // Skip the abbreviation part of IPv6 address.\r
+ //\r
+ TempStr2 = Ip6Str + 2;\r
+ while ((*TempStr2 != '\0')) {\r
+ if (*TempStr2 == ':') {\r
+ if (*(TempStr2 + 1) == ':') {\r
+ //\r
+ // :: can only appear once in IPv6 address.\r
+ //\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ TailNodeCnt++;\r
+ if (TailNodeCnt >= (AllowedCnt - NodeCnt)) {\r
+ //\r
+ // :: indicates one or more groups of 16 bits of zeros.\r
+ //\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ }\r
+\r
+ TempStr2++;\r
+ }\r
+\r
+ Short = TRUE;\r
+ Update = TRUE;\r
+\r
+ Ip6Str = Ip6Str + 2;\r
+ } else {\r
+ if (*(Ip6Str + 1) == '\0') {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ Ip6Str++;\r
+ NodeCnt++;\r
+ if ((Short && (NodeCnt > 6)) || (!Short && (NodeCnt > 7))) {\r
+ //\r
+ // There are more than 8 groups of 16 bits of zeros.\r
+ //\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ }\r
+ }\r
+\r
+ //\r
+ // Convert the string to IPv6 address. AsciiStrHexToUintn stops at the first\r
+ // character that is not a valid hexadecimal character, ':' or '\0' here.\r
+ //\r
+ NodeVal = AsciiStrHexToUintn (TempStr);\r
+ if ((NodeVal > 0xFFFF) || (Index > 14)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ if (NodeVal != 0) {\r
+ if ((*TempStr == '0') && \r
+ ((*(TempStr + 2) == ':') || (*(TempStr + 3) == ':') || \r
+ (*(TempStr + 2) == '\0') || (*(TempStr + 3) == '\0'))) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ if ((*TempStr == '0') && (*(TempStr + 4) != '\0') && \r
+ (*(TempStr + 4) != ':')) { \r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ } else {\r
+ if (((*TempStr == '0') && (*(TempStr + 1) == '0') && \r
+ ((*(TempStr + 2) == ':') || (*(TempStr + 2) == '\0'))) ||\r
+ ((*TempStr == '0') && (*(TempStr + 1) == '0') && (*(TempStr + 2) == '0') && \r
+ ((*(TempStr + 3) == ':') || (*(TempStr + 3) == '\0')))) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ }\r
+\r
+ Cnt = 0;\r
+ while ((TempStr[Cnt] != ':') && (TempStr[Cnt] != '\0')) {\r
+ Cnt++; \r
+ }\r
+ if (LeadZeroCnt == 0) {\r
+ if ((Cnt == 4) && (*TempStr == '0')) {\r
+ LeadZero = TRUE;\r
+ LeadZeroCnt++;\r
+ }\r
+ if ((Cnt != 0) && (Cnt < 4)) {\r
+ LeadZero = FALSE;\r
+ LeadZeroCnt++;\r
+ }\r
+ } else {\r
+ if ((Cnt == 4) && (*TempStr == '0') && !LeadZero) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ if ((Cnt != 0) && (Cnt < 4) && LeadZero) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ } \r
+\r
+ Ip6Address->Addr[Index] = (UINT8) (NodeVal >> 8);\r
+ Ip6Address->Addr[Index + 1] = (UINT8) (NodeVal & 0xFF);\r
+\r
+ //\r
+ // Skip the groups of zeros by ::\r
+ //\r
+ if (Short && Update) {\r
+ Index = (UINT8) (16 - (TailNodeCnt + 2) * 2);\r
+ Update = FALSE;\r
+ }\r
+ }\r
+\r
+ if ((!Short && Index != 16) || (*Ip6Str != '\0')) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
}\r
\r
\r
/**\r
- The constructor function caches the pointer to DPC protocol.\r
+ Convert one Null-terminated Unicode string (decimal dotted) to EFI_IPv4_ADDRESS.\r
+\r
+ @param[in] String The pointer to the Ascii string.\r
+ @param[out] Ip4Address The pointer to the converted IPv4 address.\r
+\r
+ @retval EFI_SUCCESS Convert to IPv4 address successfully.\r
+ @retval EFI_INVALID_PARAMETER The string is mal-formated or Ip4Address is NULL.\r
+ @retval EFI_OUT_OF_RESOURCES Fail to perform the operation due to lack of resource.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+NetLibStrToIp4 (\r
+ IN CONST CHAR16 *String,\r
+ OUT EFI_IPv4_ADDRESS *Ip4Address\r
+ )\r
+{\r
+ CHAR8 *Ip4Str;\r
+ EFI_STATUS Status;\r
+\r
+ if ((String == NULL) || (Ip4Address == NULL)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
\r
- The constructor function locates DPC protocol from protocol database.\r
- It will ASSERT() if that operation fails and it will always return EFI_SUCCESS.\r
+ Ip4Str = (CHAR8 *) AllocatePool ((StrLen (String) + 1) * sizeof (CHAR8));\r
+ if (Ip4Str == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ UnicodeStrToAsciiStr (String, Ip4Str);\r
+\r
+ Status = NetLibAsciiStrToIp4 (Ip4Str, Ip4Address);\r
\r
- @param ImageHandle The firmware allocated handle for the EFI image.\r
- @param SystemTable A pointer to the EFI System Table.\r
+ FreePool (Ip4Str);\r
+\r
+ return Status;\r
+}\r
\r
- @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.\r
+\r
+/**\r
+ Convert one Null-terminated Unicode string to EFI_IPv6_ADDRESS. The format of\r
+ the string is defined in RFC 4291 - Text Pepresentation of Addresses.\r
+\r
+ @param[in] String The pointer to the Ascii string.\r
+ @param[out] Ip6Address The pointer to the converted IPv6 address.\r
+\r
+ @retval EFI_SUCCESS Convert to IPv6 address successfully.\r
+ @retval EFI_INVALID_PARAMETER The string is mal-formated or Ip6Address is NULL.\r
+ @retval EFI_OUT_OF_RESOURCES Fail to perform the operation due to lack of resource.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
-NetLibConstructor (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
+NetLibStrToIp6 (\r
+ IN CONST CHAR16 *String,\r
+ OUT EFI_IPv6_ADDRESS *Ip6Address\r
)\r
{\r
- EFI_STATUS Status;\r
+ CHAR8 *Ip6Str;\r
+ EFI_STATUS Status;\r
\r
- Status = gBS->LocateProtocol (&gEfiDpcProtocolGuid, NULL, (VOID**) &mDpc);\r
- ASSERT_EFI_ERROR (Status);\r
- ASSERT (mDpc != NULL);\r
+ if ((String == NULL) || (Ip6Address == NULL)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ Ip6Str = (CHAR8 *) AllocatePool ((StrLen (String) + 1) * sizeof (CHAR8));\r
+ if (Ip6Str == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ UnicodeStrToAsciiStr (String, Ip6Str);\r
+\r
+ Status = NetLibAsciiStrToIp6 (Ip6Str, Ip6Address);\r
+\r
+ FreePool (Ip6Str);\r
\r
return Status;\r
}\r
+\r
+/**\r
+ Convert one Null-terminated Unicode string to EFI_IPv6_ADDRESS and prefix length.\r
+ The format of the string is defined in RFC 4291 - Text Pepresentation of Addresses\r
+ Prefixes: ipv6-address/prefix-length.\r
+\r
+ @param[in] String The pointer to the Ascii string.\r
+ @param[out] Ip6Address The pointer to the converted IPv6 address.\r
+ @param[out] PrefixLength The pointer to the converted prefix length.\r
+\r
+ @retval EFI_SUCCESS Convert to IPv6 address successfully.\r
+ @retval EFI_INVALID_PARAMETER The string is mal-formated or Ip6Address is NULL.\r
+ @retval EFI_OUT_OF_RESOURCES Fail to perform the operation due to lack of resource.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+NetLibStrToIp6andPrefix (\r
+ IN CONST CHAR16 *String,\r
+ OUT EFI_IPv6_ADDRESS *Ip6Address,\r
+ OUT UINT8 *PrefixLength\r
+ )\r
+{\r
+ CHAR8 *Ip6Str;\r
+ CHAR8 *PrefixStr;\r
+ CHAR8 *TempStr;\r
+ EFI_STATUS Status;\r
+ UINT8 Length;\r
+\r
+ if ((String == NULL) || (Ip6Address == NULL) || (PrefixLength == NULL)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ Ip6Str = (CHAR8 *) AllocatePool ((StrLen (String) + 1) * sizeof (CHAR8));\r
+ if (Ip6Str == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ UnicodeStrToAsciiStr (String, Ip6Str);\r
+\r
+ //\r
+ // Get the sub string describing prefix length.\r
+ //\r
+ TempStr = Ip6Str;\r
+ while (*TempStr != '\0' && (*TempStr != '/')) {\r
+ TempStr++;\r
+ }\r
+\r
+ if (*TempStr == '/') {\r
+ PrefixStr = TempStr + 1;\r
+ } else {\r
+ PrefixStr = NULL;\r
+ }\r
+\r
+ //\r
+ // Get the sub string describing IPv6 address and convert it.\r
+ //\r
+ *TempStr = '\0';\r
+\r
+ Status = NetLibAsciiStrToIp6 (Ip6Str, Ip6Address);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Exit;\r
+ }\r
+\r
+ //\r
+ // If input string doesn't indicate the prefix length, return 0xff.\r
+ //\r
+ Length = 0xFF;\r
+\r
+ //\r
+ // Convert the string to prefix length\r
+ //\r
+ if (PrefixStr != NULL) {\r
+\r
+ Status = EFI_INVALID_PARAMETER;\r
+ Length = 0;\r
+ while (*PrefixStr != '\0') {\r
+ if (NET_IS_DIGIT (*PrefixStr)) {\r
+ Length = (UINT8) (Length * 10 + (*PrefixStr - '0'));\r
+ if (Length >= IP6_PREFIX_NUM) {\r
+ goto Exit;\r
+ }\r
+ } else {\r
+ goto Exit;\r
+ }\r
+\r
+ PrefixStr++;\r
+ }\r
+ }\r
+\r
+ *PrefixLength = Length;\r
+ Status = EFI_SUCCESS;\r
+\r
+Exit:\r
+\r
+ FreePool (Ip6Str);\r
+ return Status;\r
+}\r
+\r
+/**\r
+\r
+ Convert one EFI_IPv6_ADDRESS to Null-terminated Unicode string.\r
+ The text representation of address is defined in RFC 4291.\r
+ \r
+ @param[in] Ip6Address The pointer to the IPv6 address.\r
+ @param[out] String The buffer to return the converted string.\r
+ @param[in] StringSize The length in bytes of the input String.\r
+ \r
+ @retval EFI_SUCCESS Convert to string successfully.\r
+ @retval EFI_INVALID_PARAMETER The input parameter is invalid.\r
+ @retval EFI_BUFFER_TOO_SMALL The BufferSize is too small for the result. BufferSize has been \r
+ updated with the size needed to complete the request.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+NetLibIp6ToStr (\r
+ IN EFI_IPv6_ADDRESS *Ip6Address,\r
+ OUT CHAR16 *String,\r
+ IN UINTN StringSize\r
+ )\r
+{\r
+ UINT16 Ip6Addr[8];\r
+ UINTN Index;\r
+ UINTN LongestZerosStart;\r
+ UINTN LongestZerosLength;\r
+ UINTN CurrentZerosStart;\r
+ UINTN CurrentZerosLength;\r
+ CHAR16 Buffer[sizeof"ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"];\r
+ CHAR16 *Ptr;\r
+\r
+ if (Ip6Address == NULL || String == NULL || StringSize == 0) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ //\r
+ // Convert the UINT8 array to an UINT16 array for easy handling.\r
+ // \r
+ ZeroMem (Ip6Addr, sizeof (Ip6Addr));\r
+ for (Index = 0; Index < 16; Index++) {\r
+ Ip6Addr[Index / 2] |= (Ip6Address->Addr[Index] << ((1 - (Index % 2)) << 3));\r
+ }\r
+\r
+ //\r
+ // Find the longest zeros and mark it.\r
+ //\r
+ CurrentZerosStart = DEFAULT_ZERO_START;\r
+ CurrentZerosLength = 0;\r
+ LongestZerosStart = DEFAULT_ZERO_START;\r
+ LongestZerosLength = 0;\r
+ for (Index = 0; Index < 8; Index++) {\r
+ if (Ip6Addr[Index] == 0) {\r
+ if (CurrentZerosStart == DEFAULT_ZERO_START) {\r
+ CurrentZerosStart = Index;\r
+ CurrentZerosLength = 1;\r
+ } else {\r
+ CurrentZerosLength++;\r
+ }\r
+ } else {\r
+ if (CurrentZerosStart != DEFAULT_ZERO_START) {\r
+ if (CurrentZerosLength > 2 && (LongestZerosStart == (DEFAULT_ZERO_START) || CurrentZerosLength > LongestZerosLength)) {\r
+ LongestZerosStart = CurrentZerosStart;\r
+ LongestZerosLength = CurrentZerosLength;\r
+ }\r
+ CurrentZerosStart = DEFAULT_ZERO_START;\r
+ CurrentZerosLength = 0;\r
+ }\r
+ }\r
+ }\r
+ \r
+ if (CurrentZerosStart != DEFAULT_ZERO_START && CurrentZerosLength > 2) {\r
+ if (LongestZerosStart == DEFAULT_ZERO_START || LongestZerosLength < CurrentZerosLength) {\r
+ LongestZerosStart = CurrentZerosStart;\r
+ LongestZerosLength = CurrentZerosLength;\r
+ }\r
+ }\r
+\r
+ Ptr = Buffer;\r
+ for (Index = 0; Index < 8; Index++) {\r
+ if (LongestZerosStart != DEFAULT_ZERO_START && Index >= LongestZerosStart && Index < LongestZerosStart + LongestZerosLength) {\r
+ if (Index == LongestZerosStart) {\r
+ *Ptr++ = L':';\r
+ }\r
+ continue;\r
+ }\r
+ if (Index != 0) {\r
+ *Ptr++ = L':';\r
+ }\r
+ Ptr += UnicodeSPrint(Ptr, 10, L"%x", Ip6Addr[Index]);\r
+ }\r
+ \r
+ if (LongestZerosStart != DEFAULT_ZERO_START && LongestZerosStart + LongestZerosLength == 8) {\r
+ *Ptr++ = L':';\r
+ }\r
+ *Ptr = L'\0';\r
+\r
+ if ((UINTN)Ptr - (UINTN)Buffer > StringSize) {\r
+ return EFI_BUFFER_TOO_SMALL;\r
+ }\r
+\r
+ StrCpy (String, Buffer);\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+/**\r
+ This function obtains the system guid from the smbios table.\r
+\r
+ @param[out] SystemGuid The pointer of the returned system guid.\r
+\r
+ @retval EFI_SUCCESS Successfully obtained the system guid.\r
+ @retval EFI_NOT_FOUND Did not find the SMBIOS table.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+NetLibGetSystemGuid (\r
+ OUT EFI_GUID *SystemGuid\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ SMBIOS_TABLE_ENTRY_POINT *SmbiosTable;\r
+ SMBIOS_STRUCTURE_POINTER Smbios;\r
+ SMBIOS_STRUCTURE_POINTER SmbiosEnd;\r
+ CHAR8 *String;\r
+\r
+ SmbiosTable = NULL;\r
+ Status = EfiGetSystemConfigurationTable (&gEfiSmbiosTableGuid, (VOID **) &SmbiosTable);\r
+\r
+ if (EFI_ERROR (Status) || SmbiosTable == NULL) {\r
+ return EFI_NOT_FOUND;\r
+ }\r
+\r
+ Smbios.Hdr = (SMBIOS_STRUCTURE *) (UINTN) SmbiosTable->TableAddress;\r
+ SmbiosEnd.Raw = (UINT8 *) (UINTN) (SmbiosTable->TableAddress + SmbiosTable->TableLength);\r
+\r
+ do {\r
+ if (Smbios.Hdr->Type == 1) {\r
+ if (Smbios.Hdr->Length < 0x19) {\r
+ //\r
+ // Older version did not support UUID.\r
+ //\r
+ return EFI_NOT_FOUND;\r
+ }\r
+ \r
+ //\r
+ // SMBIOS tables are byte packed so we need to do a byte copy to\r
+ // prevend alignment faults on Itanium-based platform.\r
+ //\r
+ CopyMem (SystemGuid, &Smbios.Type1->Uuid, sizeof (EFI_GUID));\r
+ return EFI_SUCCESS;\r
+ }\r
+\r
+ //\r
+ // Go to the next SMBIOS structure. Each SMBIOS structure may include 2 parts:\r
+ // 1. Formatted section; 2. Unformatted string section. So, 2 steps are needed\r
+ // to skip one SMBIOS structure.\r
+ //\r
+ \r
+ //\r
+ // Step 1: Skip over formatted section.\r
+ //\r
+ String = (CHAR8 *) (Smbios.Raw + Smbios.Hdr->Length);\r
+ \r
+ //\r
+ // Step 2: Skip over unformated string section.\r
+ //\r
+ do {\r
+ //\r
+ // Each string is terminated with a NULL(00h) BYTE and the sets of strings\r
+ // is terminated with an additional NULL(00h) BYTE.\r
+ //\r
+ for ( ; *String != 0; String++) {\r
+ }\r
+\r
+ if (*(UINT8*)++String == 0) {\r
+ //\r
+ // Pointer to the next SMBIOS structure.\r
+ //\r
+ Smbios.Raw = (UINT8 *)++String;\r
+ break;\r
+ } \r
+ } while (TRUE);\r
+ } while (Smbios.Raw < SmbiosEnd.Raw);\r
+ return EFI_NOT_FOUND;\r
+}\r
projects / mirror_edk2.git / blobdiff