/** @file\r
The implementation of the Udp4 protocol.\r
\r
-Copyright (c) 2006 - 2009, Intel Corporation.<BR> \r
-All rights reserved. This program and the accompanying materials\r
+Copyright (c) 2006 - 2016, 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
@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
VOID\r
+EFIAPI\r
Udp4DgramRcvd (\r
IN EFI_STATUS Status,\r
IN UINT8 IcmpError,\r
\r
**/\r
EFI_STATUS\r
+EFIAPI\r
Udp4CancelTokens (\r
IN NET_MAP *Map,\r
IN NET_MAP_ITEM *Item,\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
**/\r
EFI_STATUS\r
+EFIAPI\r
Udp4TokenExist (\r
IN NET_MAP *Map,\r
IN NET_MAP_ITEM *Item,\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
VOID\r
+EFIAPI\r
Udp4DgramRcvd (\r
IN EFI_STATUS Status,\r
IN UINT8 IcmpError,\r
\r
**/\r
EFI_STATUS\r
+EFIAPI\r
Udp4LeaveGroup (\r
IN OUT NET_MAP *Map,\r
IN NET_MAP_ITEM *Item,\r
\r
**/\r
EFI_STATUS\r
+EFIAPI\r
Udp4CancelTokens (\r
IN NET_MAP *Map,\r
IN NET_MAP_ITEM *Item,\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
Instance = NET_LIST_USER_STRUCT (Entry, UDP4_INSTANCE_DATA, Link);\r
\r
- if (!Instance->Configured ||\r
- Instance->ConfigData.AcceptPromiscuous ||\r
- Instance->ConfigData.AcceptAnyPort ||\r
- EFI_IP4_EQUAL (&Instance->ConfigData.StationAddress, &mZeroIp4Addr)\r
- ) {\r
- //\r
- // Don't try to deliver the ICMP error to this instance if it is not configured,\r
- // or it's configured to be promiscuous or accept any port or accept all the\r
- // datagrams.\r
- //\r
+ if (!Instance->Configured) {\r
continue;\r
}\r
\r
\r
**/\r
VOID\r
+EFIAPI\r
Udp4NetVectorExtFree (\r
VOID *Context\r
)\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