/** @file\r
The implementation of the Udp4 protocol.\r
- \r
-Copyright (c) 2006 - 2010, 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
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
\r
@param[in] Status The completion status of the output udp datagram.\r
@param[in] Context Pointer to the context data.\r
- @param[in] Sender Pointer to the Ip sender of the udp datagram.\r
+ @param[in] Sender Specify a pointer of EFI_IP4_PROTOCOL for sending.\r
@param[in] NotifyData Pointer to the notify data.\r
\r
**/\r
VOID\r
EFIAPI\r
Udp4DgramSent (\r
- IN EFI_STATUS Status,\r
- IN VOID *Context,\r
- IN VOID *Sender,\r
- IN VOID *NotifyData\r
+ IN EFI_STATUS Status,\r
+ IN VOID *Context,\r
+ IN IP_IO_IP_PROTOCOL Sender,\r
+ IN VOID *NotifyData\r
);\r
\r
/**\r
);\r
\r
/**\r
- This function demultiplexes the received udp datagram to the apropriate instances.\r
+ This function demultiplexes the received udp datagram to the appropriate instances.\r
\r
@param[in] Udp4Service Pointer to the udp service context data.\r
- @param[in] NetSession Pointer to the EFI_NET_SESSION_DATA abstrated from\r
+ @param[in] NetSession Pointer to the EFI_NET_SESSION_DATA abstracted from\r
the received datagram.\r
@param[in] Packet Pointer to the buffer containing the received udp\r
datagram.\r
//\r
// TimeoutTick unit is microsecond, MNP_TIMEOUT_CHECK_INTERVAL unit is 100ns.\r
//\r
- if (Wrap->TimeoutTick <= (UDP4_TIMEOUT_INTERVAL / 10)) {\r
+ if (Wrap->TimeoutTick < (UDP4_TIMEOUT_INTERVAL / 10)) {\r
//\r
// Remove this RxData if it timeouts.\r
//\r
Instance->IcmpError = EFI_SUCCESS;\r
Instance->Configured = FALSE;\r
Instance->IsNoMapping = FALSE;\r
- Instance->Destroyed = FALSE;\r
+ Instance->InDestroy = FALSE;\r
}\r
\r
\r
if (TxData->GatewayAddress != NULL) {\r
CopyMem (&GatewayAddress, TxData->GatewayAddress, sizeof (IP4_ADDR));\r
\r
- if (!NetIp4IsUnicast (NTOHL (GatewayAddress), 0)) {\r
+ if (!Instance->ConfigData.UseDefaultAddress &&\r
+ (EFI_NTOHL(Instance->ConfigData.SubnetMask) != 0) &&\r
+ !NetIp4IsUnicast (NTOHL (GatewayAddress), EFI_NTOHL(Instance->ConfigData.SubnetMask))) {\r
//\r
// The specified GatewayAddress is not a unicast IPv4 address while it's not 0.\r
//\r
\r
CopyMem (&SourceAddress, &UdpSessionData->SourceAddress, sizeof (IP4_ADDR));\r
\r
- if ((SourceAddress != 0) && !NetIp4IsUnicast (HTONL (SourceAddress), 0)) {\r
+ if ((SourceAddress != 0) &&\r
+ !Instance->ConfigData.UseDefaultAddress &&\r
+ (EFI_NTOHL(Instance->ConfigData.SubnetMask) != 0) &&\r
+ !NetIp4IsUnicast (HTONL (SourceAddress), EFI_NTOHL(Instance->ConfigData.SubnetMask))) {\r
//\r
// Check whether SourceAddress is a valid IPv4 address in case it's not zero.\r
// The configured station address is used if SourceAddress is zero.\r
\r
@param[in] Status The completion status of the output udp datagram.\r
@param[in] Context Pointer to the context data.\r
- @param[in] Sender Pointer to the Ip sender of the udp datagram.\r
+ @param[in] Sender Specify a pointer of EFI_IP4_PROTOCOL for sending.\r
@param[in] NotifyData Pointer to the notify data.\r
\r
**/\r
VOID\r
EFIAPI\r
Udp4DgramSent (\r
- IN EFI_STATUS Status,\r
- IN VOID *Context,\r
- IN VOID *Sender,\r
- IN VOID *NotifyData\r
+ IN EFI_STATUS Status,\r
+ IN VOID *Context,\r
+ IN IP_IO_IP_PROTOCOL Sender,\r
+ IN VOID *NotifyData\r
)\r
{\r
UDP4_INSTANCE_DATA *Instance;\r
\r
\r
/**\r
- This function demultiplexes the received udp datagram to the apropriate instances.\r
+ This function demultiplexes the received udp datagram to the appropriate instances.\r
\r
@param[in] Udp4Service Pointer to the udp service context data.\r
- @param[in] NetSession Pointer to the EFI_NET_SESSION_DATA abstrated from\r
+ @param[in] NetSession Pointer to the EFI_NET_SESSION_DATA abstracted from\r
the received datagram.\r
@param[in] Packet Pointer to the buffer containing the received udp\r
datagram.\r
EFI_UDP4_SESSION_DATA *Udp4Session;\r
UINTN Enqueued;\r
\r
+ if (Packet->TotalSize < sizeof (EFI_UDP_HEADER)) {\r
+ NetbufFree (Packet);\r
+ return;\r
+ }\r
+\r
//\r
// Get the datagram header from the packet buffer.\r
//\r
Udp4Header = (EFI_UDP_HEADER *) NetbufGetByte (Packet, 0, NULL);\r
+ ASSERT (Udp4Header != NULL);\r
\r
if (Udp4Header->Checksum != 0) {\r
//\r
//\r
// Wrong checksum.\r
//\r
+ NetbufFree (Packet);\r
return;\r
}\r
}\r
\r
- gRT->GetTime (&RxData.TimeStamp, NULL);\r
-\r
Udp4Session = &RxData.UdpSession;\r
Udp4Session->SourcePort = NTOHS (Udp4Header->SrcPort);\r
Udp4Session->DestinationPort = NTOHS (Udp4Header->DstPort);\r
IpSender = IpIoFindSender (&IpIo, NetSession->IpVersion, &NetSession->Dest);\r
if (IpSender == NULL) {\r
//\r
- // No apropriate sender, since we cannot send out the ICMP message through\r
+ // No appropriate sender, since we cannot send out the ICMP message through\r
// the default zero station address IP instance, abort.\r
//\r
return;\r
IpHdr = NetSession->IpHdr.Ip4Hdr;\r
\r
//\r
- // Calculate the requried length of the icmp error message.\r
+ // Calculate the required length of the icmp error message.\r
//\r
Len = sizeof (IP4_ICMP_ERROR_HEAD) + (EFI_IP4_HEADER_LEN (IpHdr) -\r
sizeof (IP4_HEAD)) + ICMP_ERROR_PACKET_LENGTH;\r
LIST_ENTRY *Entry;\r
UDP4_INSTANCE_DATA *Instance;\r
\r
+ if (Packet->TotalSize < sizeof (EFI_UDP_HEADER)) {\r
+ NetbufFree (Packet);\r
+ return;\r
+ }\r
+\r
Udp4Header = (EFI_UDP_HEADER *) NetbufGetByte (Packet, 0, NULL);\r
+ ASSERT (Udp4Header != NULL);\r
\r
CopyMem (&Udp4Session.SourceAddress, &NetSession->Source, sizeof (EFI_IPv4_ADDRESS));\r
CopyMem (&Udp4Session.DestinationAddress, &NetSession->Dest, sizeof (EFI_IPv4_ADDRESS));\r
{\r
}\r
\r
-\r
-/**\r
- Set the Udp4 variable data.\r
-\r
- @param[in] Udp4Service Udp4 service data.\r
-\r
- @retval EFI_OUT_OF_RESOURCES There are not enough resources to set the\r
- variable.\r
- @retval EFI_SUCCESS Set variable successfully.\r
- @retval other Set variable failed.\r
-\r
-**/\r
-EFI_STATUS\r
-Udp4SetVariableData (\r
- IN UDP4_SERVICE_DATA *Udp4Service\r
- )\r
-{\r
- UINT32 NumConfiguredInstance;\r
- LIST_ENTRY *Entry;\r
- UINTN VariableDataSize;\r
- EFI_UDP4_VARIABLE_DATA *Udp4VariableData;\r
- EFI_UDP4_SERVICE_POINT *Udp4ServicePoint;\r
- UDP4_INSTANCE_DATA *Udp4Instance;\r
- CHAR16 *NewMacString;\r
- EFI_STATUS Status;\r
-\r
- NumConfiguredInstance = 0;\r
-\r
- //\r
- // Go through the children list to count the configured children.\r
- //\r
- NET_LIST_FOR_EACH (Entry, &Udp4Service->ChildrenList) {\r
- Udp4Instance = NET_LIST_USER_STRUCT_S (\r
- Entry,\r
- UDP4_INSTANCE_DATA,\r
- Link,\r
- UDP4_INSTANCE_DATA_SIGNATURE\r
- );\r
-\r
- if (Udp4Instance->Configured) {\r
- NumConfiguredInstance++;\r
- }\r
- }\r
-\r
- //\r
- // Calculate the size of the Udp4VariableData. As there may be no Udp4 child,\r
- // we should add extra buffer for the service points only if the number of configured\r
- // children is more than 1.\r
- //\r
- VariableDataSize = sizeof (EFI_UDP4_VARIABLE_DATA);\r
-\r
- if (NumConfiguredInstance > 1) {\r
- VariableDataSize += sizeof (EFI_UDP4_SERVICE_POINT) * (NumConfiguredInstance - 1);\r
- }\r
-\r
- Udp4VariableData = AllocatePool (VariableDataSize);\r
- if (Udp4VariableData == NULL) {\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- Udp4VariableData->DriverHandle = Udp4Service->ImageHandle;\r
- Udp4VariableData->ServiceCount = NumConfiguredInstance;\r
-\r
- Udp4ServicePoint = &Udp4VariableData->Services[0];\r
-\r
- //\r
- // Go through the children list to fill the configured children's address pairs.\r
- //\r
- NET_LIST_FOR_EACH (Entry, &Udp4Service->ChildrenList) {\r
- Udp4Instance = NET_LIST_USER_STRUCT_S (\r
- Entry,\r
- UDP4_INSTANCE_DATA,\r
- Link,\r
- UDP4_INSTANCE_DATA_SIGNATURE\r
- );\r
-\r
- if (Udp4Instance->Configured) {\r
- Udp4ServicePoint->InstanceHandle = Udp4Instance->ChildHandle;\r
- Udp4ServicePoint->LocalAddress = Udp4Instance->ConfigData.StationAddress;\r
- Udp4ServicePoint->LocalPort = Udp4Instance->ConfigData.StationPort;\r
- Udp4ServicePoint->RemoteAddress = Udp4Instance->ConfigData.RemoteAddress;\r
- Udp4ServicePoint->RemotePort = Udp4Instance->ConfigData.RemotePort;\r
-\r
- Udp4ServicePoint++;\r
- }\r
- }\r
-\r
- //\r
- // Get the mac string.\r
- //\r
- Status = NetLibGetMacString (\r
- Udp4Service->ControllerHandle,\r
- Udp4Service->ImageHandle,\r
- &NewMacString\r
- );\r
- if (EFI_ERROR (Status)) {\r
- goto ON_ERROR;\r
- }\r
-\r
- if (Udp4Service->MacString != NULL) {\r
- //\r
- // The variable is set already, we're going to update it.\r
- //\r
- if (StrCmp (Udp4Service->MacString, NewMacString) != 0) {\r
- //\r
- // The mac address is changed, delete the previous variable first.\r
- //\r
- gRT->SetVariable (\r
- Udp4Service->MacString,\r
- &gEfiUdp4ServiceBindingProtocolGuid,\r
- EFI_VARIABLE_BOOTSERVICE_ACCESS,\r
- 0,\r
- NULL\r
- );\r
- }\r
-\r
- FreePool (Udp4Service->MacString);\r
- }\r
-\r
- Udp4Service->MacString = NewMacString;\r
-\r
- Status = gRT->SetVariable (\r
- Udp4Service->MacString,\r
- &gEfiUdp4ServiceBindingProtocolGuid,\r
- EFI_VARIABLE_BOOTSERVICE_ACCESS,\r
- VariableDataSize,\r
- (VOID *) Udp4VariableData\r
- );\r
-\r
-ON_ERROR:\r
-\r
- FreePool (Udp4VariableData);\r
-\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
- Clear the variable and free the resource.\r
-\r
- @param[[in] Udp4Service Udp4 service data.\r
-\r
-**/\r
-VOID\r
-Udp4ClearVariableData (\r
- IN UDP4_SERVICE_DATA *Udp4Service\r
- )\r
-{\r
- ASSERT (Udp4Service->MacString != NULL);\r
-\r
- gRT->SetVariable (\r
- Udp4Service->MacString,\r
- &gEfiUdp4ServiceBindingProtocolGuid,\r
- EFI_VARIABLE_BOOTSERVICE_ACCESS,\r
- 0,\r
- NULL\r
- );\r
-\r
- FreePool (Udp4Service->MacString);\r
- Udp4Service->MacString = NULL;\r
-}\r
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