/** @file\r
-\r
-Copyright (c) 2006 - 2008, Intel Corporation \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
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
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
- Udp4Impl.c\r
-\r
-Abstract:\r
-\r
- The implementation of the Udp4 protocol.\r
-\r
-\r
**/\r
\r
\r
This function checks and timeouts the I/O datagrams holding by the corresponding\r
service context.\r
\r
- @param Event The event this function registered to.\r
- @param Context The context data registered during the creation of\r
- the Event.\r
-\r
- @return None.\r
+ @param[in] Event The event this function registered to.\r
+ @param[in] Context The context data registered during the creation of\r
+ the Event.\r
\r
**/\r
VOID\r
/**\r
This function finds the udp instance by the specified <Address, Port> pair.\r
\r
- @param InstanceList Pointer to the head of the list linking the udp\r
- instances.\r
- @param Address Pointer to the specified IPv4 address.\r
- @param Port The udp port number.\r
+ @param[in] InstanceList Pointer to the head of the list linking the udp\r
+ instances.\r
+ @param[in] Address Pointer to the specified IPv4 address.\r
+ @param[in] Port The udp port number.\r
\r
@retval TRUE The specified <Address, Port> pair is found.\r
@retval FALSE Otherwise.\r
interface. It's called to signal the udp TxToken when IpIo layer completes the\r
transmitting of the udp datagram.\r
\r
- @param Status The completion status of the output udp datagram.\r
- @param Context Pointer to the context data.\r
- @param Sender Pointer to the Ip sender of the udp datagram.\r
- @param NotifyData Pointer to the notify data.\r
-\r
- @return None.\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] NotifyData Pointer to the notify data.\r
\r
**/\r
VOID\r
/**\r
This function processes the received datagram passed up by the IpIo layer.\r
\r
- @param Status The status of this udp datagram.\r
- @param IcmpError The IcmpError code, only available when Status is\r
+ @param[in] Status The status of this udp datagram.\r
+ @param[in] IcmpError The IcmpError code, only available when Status is\r
EFI_ICMP_ERROR.\r
- @param NetSession Pointer to the EFI_NET_SESSION_DATA.\r
- @param Packet Pointer to the NET_BUF containing the received udp\r
+ @param[in] NetSession Pointer to the EFI_NET_SESSION_DATA.\r
+ @param[in] Packet Pointer to the NET_BUF containing the received udp\r
datagram.\r
- @param Context Pointer to the context data.\r
-\r
- @return None.\r
+ @param[in] Context Pointer to the context data.\r
\r
**/\r
VOID\r
This function cancels the token specified by Arg in the Map. This is a callback\r
used by Udp4InstanceCancelToken().\r
\r
- @param Map Pointer to the NET_MAP.\r
- @param Item Pointer to the NET_MAP_ITEM.\r
- @param Arg Pointer to the token to be cancelled, if NULL,\r
+ @param[in] Map Pointer to the NET_MAP.\r
+ @param[in] Item Pointer to the NET_MAP_ITEM.\r
+ @param[in] Arg Pointer to the token to be cancelled, if NULL,\r
the token specified by Item is cancelled.\r
\r
@retval EFI_SUCCESS The token is cancelled if Arg is NULL or the token\r
/**\r
This function matches the received udp datagram with the Instance.\r
\r
- @param Instance Pointer to the udp instance context data.\r
- @param Udp4Session Pointer to the EFI_UDP4_SESSION_DATA abstracted\r
+ @param[in] Instance Pointer to the udp instance context data.\r
+ @param[in] Udp4Session Pointer to the EFI_UDP4_SESSION_DATA abstracted\r
from the received udp datagram.\r
\r
@retval TRUE The udp datagram matches the receiving requirments of the\r
/**\r
This function removes the Wrap specified by Context and release relevant resources.\r
\r
- @param Event The Event this notify function registered to.\r
- @param Context Pointer to the context data.\r
-\r
- @return None.\r
+ @param[in] Event The Event this notify function registered to.\r
+ @param[in] Context Pointer to the context data.\r
\r
**/\r
VOID\r
/**\r
This function wraps the Packet and the RxData.\r
\r
- @param Instance Pointer to the instance context data.\r
- @param Packet Pointer to the buffer containing the received\r
- datagram.\r
- @param RxData Pointer to the EFI_UDP4_RECEIVE_DATA of this\r
- datagram.\r
+ @param[in] Instance Pointer to the instance context data.\r
+ @param[in] Packet Pointer to the buffer containing the received\r
+ datagram.\r
+ @param[in] RxData Pointer to the EFI_UDP4_RECEIVE_DATA of this\r
+ datagram.\r
\r
@return Pointer to the structure wrapping the RxData and the Packet.\r
\r
/**\r
This function enqueues the received datagram into the instances' receiving queues.\r
\r
- @param Udp4Service Pointer to the udp service context data.\r
- @param Packet Pointer to the buffer containing the received\r
- datagram.\r
- @param RxData Pointer to the EFI_UDP4_RECEIVE_DATA of this\r
- datagram.\r
+ @param[in] Udp4Service Pointer to the udp service context data.\r
+ @param[in] Packet Pointer to the buffer containing the received\r
+ datagram.\r
+ @param[in] RxData Pointer to the EFI_UDP4_RECEIVE_DATA of this\r
+ datagram.\r
\r
@return The times this datagram is enqueued.\r
\r
/**\r
This function delivers the datagrams enqueued in the instances.\r
\r
- @param Udp4Service Pointer to the udp service context data.\r
-\r
- @return None.\r
+ @param[in] Udp4Service Pointer to the udp service context data.\r
\r
**/\r
VOID\r
/**\r
This function demultiplexes the received udp datagram to the apropriate instances.\r
\r
- @param Udp4Service Pointer to the udp service context data.\r
- @param NetSession Pointer to the EFI_NET_SESSION_DATA abstrated from\r
- the received datagram.\r
- @param Packet Pointer to the buffer containing the received udp\r
- datagram.\r
-\r
- @return None.\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
+ the received datagram.\r
+ @param[in] Packet Pointer to the buffer containing the received udp\r
+ datagram.\r
\r
**/\r
VOID\r
This function handles the received Icmp Error message and demultiplexes it to the\r
instance.\r
\r
- @param Udp4Service Pointer to the udp service context data.\r
- @param IcmpError The icmp error code.\r
- @param NetSession Pointer to the EFI_NET_SESSION_DATA abstracted\r
+ @param[in] Udp4Service Pointer to the udp service context data.\r
+ @param[in] IcmpError The icmp error code.\r
+ @param[in] NetSession Pointer to the EFI_NET_SESSION_DATA abstracted\r
from the received Icmp Error packet.\r
- @param Packet Pointer to the Icmp Error packet.\r
-\r
- @return None.\r
+ @param[in] Packet Pointer to the Icmp Error packet.\r
\r
**/\r
VOID\r
/**\r
This function builds and sends out a icmp port unreachable message.\r
\r
- @param IpIo Pointer to the IP_IO instance.\r
- @param NetSession Pointer to the EFI_NET_SESSION_DATA of the packet\r
- causes this icmp error message.\r
- @param Udp4Header Pointer to the udp header of the datagram causes\r
- this icmp error message.\r
-\r
- @return None.\r
+ @param[in] IpIo Pointer to the IP_IO instance.\r
+ @param[in] NetSession Pointer to the EFI_NET_SESSION_DATA of the packet\r
+ causes this icmp error message.\r
+ @param[in] Udp4Header Pointer to the udp header of the datagram causes\r
+ this icmp error message.\r
\r
**/\r
VOID\r
/**\r
Clean the Udp service context data.\r
\r
- @param Udp4Service Pointer to the UDP4_SERVICE_DATA.\r
-\r
- @return None.\r
+ @param[in] Udp4Service Pointer to the UDP4_SERVICE_DATA.\r
\r
**/\r
VOID\r
This function checks and timeouts the I/O datagrams holding by the corresponding\r
service context.\r
\r
- @param Event The event this function registered to.\r
- @param Context The context data registered during the creation of\r
- the Event.\r
-\r
- @return None.\r
+ @param[in] Event The event this function registered to.\r
+ @param[in] Context The context data registered during the creation of\r
+ the Event.\r
\r
**/\r
VOID\r
//\r
Wrap = NET_LIST_USER_STRUCT (WrapEntry, UDP4_RXDATA_WRAP, Link);\r
\r
- if (Wrap->TimeoutTick <= UDP4_TIMEOUT_INTERVAL / 10) {\r
+ //\r
+ // TimeoutTick unit is microsecond, MNP_TIMEOUT_CHECK_INTERVAL unit is 100ns.\r
+ //\r
+ if (Wrap->TimeoutTick <= (UDP4_TIMEOUT_INTERVAL / 10)) {\r
//\r
// Remove this RxData if it timeouts.\r
//\r
Udp4RecycleRxDataWrap (NULL, (VOID *) Wrap);\r
} else {\r
- Wrap->TimeoutTick -= UDP4_TIMEOUT_INTERVAL / 10;\r
+ Wrap->TimeoutTick -= (UDP4_TIMEOUT_INTERVAL / 10);\r
}\r
}\r
}\r
@param Udp4Service Pointer to the UDP4_SERVICE_DATA.\r
@param Instance Pointer to the un-initialized UDP4_INSTANCE_DATA.\r
\r
- @return None.\r
-\r
**/\r
VOID\r
Udp4InitInstance (\r
/**\r
This function cleans the udp instance.\r
\r
- @param Instance Pointer to the UDP4_INSTANCE_DATA to clean.\r
-\r
- @return None.\r
+ @param[in] Instance Pointer to the UDP4_INSTANCE_DATA to clean.\r
\r
**/\r
VOID\r
/**\r
This function finds the udp instance by the specified <Address, Port> pair.\r
\r
- @param InstanceList Pointer to the head of the list linking the udp\r
- instances.\r
- @param Address Pointer to the specified IPv4 address.\r
- @param Port The udp port number.\r
+ @param[in] InstanceList Pointer to the head of the list linking the udp\r
+ instances.\r
+ @param[in] Address Pointer to the specified IPv4 address.\r
+ @param[in] Port The udp port number.\r
\r
@retval TRUE The specified <Address, Port> pair is found.\r
@retval FALSE Otherwise.\r
This function is used to check whether the NewConfigData has any un-reconfigurable\r
parameters changed compared to the OldConfigData.\r
\r
- @param OldConfigData Pointer to the current ConfigData the udp instance\r
+ @param[in] OldConfigData Pointer to the current ConfigData the udp instance\r
uses.\r
- @param NewConfigData Pointer to the new ConfigData.\r
+ @param[in] NewConfigData Pointer to the new ConfigData.\r
\r
@retval TRUE The instance is reconfigurable.\r
@retval FALSE Otherwise.\r
/**\r
This function builds the Ip4 configdata from the Udp4ConfigData.\r
\r
- @param Udp4ConfigData Pointer to the EFI_UDP4_CONFIG_DATA.\r
- @param Ip4ConfigData Pointer to the EFI_IP4_CONFIG_DATA.\r
-\r
- @return None.\r
+ @param[in] Udp4ConfigData Pointer to the EFI_UDP4_CONFIG_DATA.\r
+ @param[in, out] Ip4ConfigData Pointer to the EFI_IP4_CONFIG_DATA.\r
\r
**/\r
VOID\r
/**\r
This function validates the TxToken, it returns the error code according to the spec.\r
\r
- @param Instance Pointer to the udp instance context data.\r
- @param TxToken Pointer to the token to be checked.\r
+ @param[in] Instance Pointer to the udp instance context data.\r
+ @param[in] TxToken Pointer to the token to be checked.\r
\r
@retval EFI_SUCCESS The TxToken is valid.\r
@retval EFI_INVALID_PARAMETER One or more of the following are TRUE: This is\r
/**\r
This function checks whether the specified Token duplicates with the one in the Map.\r
\r
- @param Map Pointer to the NET_MAP.\r
- @param Item Pointer to the NET_MAP_ITEM contain the pointer to\r
+ @param[in] Map Pointer to the NET_MAP.\r
+ @param[in] Item Pointer to the NET_MAP_ITEM contain the pointer to\r
the Token.\r
- @param Context Pointer to the Token to be checked.\r
+ @param[in] Context Pointer to the Token to be checked.\r
\r
@retval EFI_SUCCESS The Token specified by Context differs from the\r
one in the Item.\r
This function calculates the checksum for the Packet, utilizing the pre-calculated\r
pseudo HeadSum to reduce some overhead.\r
\r
- @param Packet Pointer to the NET_BUF contains the udp datagram.\r
- @param HeadSum Checksum of the pseudo header execpt the length\r
+ @param[in] Packet Pointer to the NET_BUF contains the udp datagram.\r
+ @param[in] HeadSum Checksum of the pseudo header execpt the length\r
field.\r
\r
- @return The 16-bit checksum of this udp datagram.\r
+ @retval The 16-bit checksum of this udp datagram.\r
\r
**/\r
UINT16\r
/**\r
This function removes the specified Token from the TokenMap.\r
\r
- @param TokenMap Pointer to the NET_MAP containing the tokens.\r
- @param Token Pointer to the Token to be removed.\r
+ @param TokenMap Pointer to the NET_MAP containing the tokens.\r
+ @param Token Pointer to the Token to be removed.\r
\r
@retval EFI_SUCCESS The specified Token is removed from the TokenMap.\r
@retval EFI_NOT_FOUND The specified Token is not found in the TokenMap.\r
interface. It's called to signal the udp TxToken when IpIo layer completes the\r
transmitting of the udp datagram.\r
\r
- @param Status The completion status of the output udp datagram.\r
- @param Context Pointer to the context data.\r
- @param Sender Pointer to the Ip sender of the udp datagram.\r
- @param NotifyData Pointer to the notify data.\r
-\r
- @return None.\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] NotifyData Pointer to the notify data.\r
\r
**/\r
VOID\r
//\r
Token->Status = Status;\r
gBS->SignalEvent (Token->Event);\r
- NetLibDispatchDpc ();\r
+ DispatchDpc ();\r
}\r
}\r
\r
/**\r
This function processes the received datagram passed up by the IpIo layer.\r
\r
- @param Status The status of this udp datagram.\r
- @param IcmpError The IcmpError code, only available when Status is\r
+ @param[in] Status The status of this udp datagram.\r
+ @param[in] IcmpError The IcmpError code, only available when Status is\r
EFI_ICMP_ERROR.\r
- @param NetSession Pointer to the EFI_NET_SESSION_DATA.\r
- @param Packet Pointer to the NET_BUF containing the received udp\r
+ @param[in] NetSession Pointer to the EFI_NET_SESSION_DATA.\r
+ @param[in] Packet Pointer to the NET_BUF containing the received udp\r
datagram.\r
- @param Context Pointer to the context data.\r
-\r
- @return None.\r
+ @param[in] Context Pointer to the context data.\r
\r
**/\r
VOID\r
// Dispatch the DPC queued by the NotifyFunction of the rx token's events\r
// which are signaled with received data.\r
//\r
- NetLibDispatchDpc ();\r
+ DispatchDpc ();\r
}\r
\r
\r
This function cancels the token specified by Arg in the Map. This is a callback\r
used by Udp4InstanceCancelToken().\r
\r
- @param Map Pointer to the NET_MAP.\r
- @param Item Pointer to the NET_MAP_ITEM.\r
- @param Arg Pointer to the token to be cancelled, if NULL,\r
+ @param[in] Map Pointer to the NET_MAP.\r
+ @param[in] Item Pointer to the NET_MAP_ITEM.\r
+ @param[in] Arg Pointer to the token to be cancelled, if NULL,\r
the token specified by Item is cancelled.\r
\r
@retval EFI_SUCCESS The token is cancelled if Arg is NULL or the token\r
/**\r
This function removes all the Wrap datas in the RcvdDgramQue.\r
\r
- @param Instance Pointer to the udp instance context data.\r
-\r
- @return None.\r
+ @param[in] Instance Pointer to the udp instance context data.\r
\r
**/\r
VOID\r
/**\r
Cancel Udp4 tokens from the Udp4 instance.\r
\r
- @param Instance Pointer to the udp instance context data.\r
- @param Token Pointer to the token to be canceled, if NULL, all\r
+ @param[in] Instance Pointer to the udp instance context data.\r
+ @param[in] Token Pointer to the token to be canceled, if NULL, all\r
tokens in this instance will be cancelled.\r
\r
@retval EFI_SUCCESS The Token is cancelled.\r
/**\r
This function matches the received udp datagram with the Instance.\r
\r
- @param Instance Pointer to the udp instance context data.\r
- @param Udp4Session Pointer to the EFI_UDP4_SESSION_DATA abstracted\r
+ @param[in] Instance Pointer to the udp instance context data.\r
+ @param[in] Udp4Session Pointer to the EFI_UDP4_SESSION_DATA abstracted\r
from the received udp datagram.\r
\r
@retval TRUE The udp datagram matches the receiving requirments of the\r
/**\r
This function removes the Wrap specified by Context and release relevant resources.\r
\r
- @param Event The Event this notify function registered to.\r
- @param Context Pointer to the context data.\r
-\r
- @return None.\r
+ @param[in] Event The Event this notify function registered to.\r
+ @param[in] Context Pointer to the context data.\r
\r
**/\r
VOID\r
/**\r
This function wraps the Packet and the RxData.\r
\r
- @param Instance Pointer to the instance context data.\r
- @param Packet Pointer to the buffer containing the received\r
- datagram.\r
- @param RxData Pointer to the EFI_UDP4_RECEIVE_DATA of this\r
- datagram.\r
+ @param[in] Instance Pointer to the instance context data.\r
+ @param[in] Packet Pointer to the buffer containing the received\r
+ datagram.\r
+ @param[in] RxData Pointer to the EFI_UDP4_RECEIVE_DATA of this\r
+ datagram.\r
\r
@return Pointer to the structure wrapping the RxData and the Packet.\r
\r
/**\r
This function enqueues the received datagram into the instances' receiving queues.\r
\r
- @param Udp4Service Pointer to the udp service context data.\r
- @param Packet Pointer to the buffer containing the received\r
- datagram.\r
- @param RxData Pointer to the EFI_UDP4_RECEIVE_DATA of this\r
- datagram.\r
+ @param[in] Udp4Service Pointer to the udp service context data.\r
+ @param[in] Packet Pointer to the buffer containing the received\r
+ datagram.\r
+ @param[in] RxData Pointer to the EFI_UDP4_RECEIVE_DATA of this\r
+ datagram.\r
\r
@return The times this datagram is enqueued.\r
\r
/**\r
This function delivers the received datagrams for the specified instance.\r
\r
- @param Instance Pointer to the instance context data.\r
-\r
- @return None.\r
+ @param[in] Instance Pointer to the instance context data.\r
\r
**/\r
VOID\r
/**\r
This function delivers the datagrams enqueued in the instances.\r
\r
- @param Udp4Service Pointer to the udp service context data.\r
-\r
- @return None.\r
+ @param[in] Udp4Service Pointer to the udp service context data.\r
\r
**/\r
VOID\r
/**\r
This function demultiplexes the received udp datagram to the apropriate instances.\r
\r
- @param Udp4Service Pointer to the udp service context data.\r
- @param NetSession Pointer to the EFI_NET_SESSION_DATA abstrated from\r
- the received datagram.\r
- @param Packet Pointer to the buffer containing the received udp\r
- datagram.\r
-\r
- @return None.\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
+ the received datagram.\r
+ @param[in] Packet Pointer to the buffer containing the received udp\r
+ datagram.\r
\r
**/\r
VOID\r
/**\r
This function builds and sends out a icmp port unreachable message.\r
\r
- @param IpIo Pointer to the IP_IO instance.\r
- @param NetSession Pointer to the EFI_NET_SESSION_DATA of the packet\r
- causes this icmp error message.\r
- @param Udp4Header Pointer to the udp header of the datagram causes\r
- this icmp error message.\r
-\r
- @return None.\r
+ @param[in] IpIo Pointer to the IP_IO instance.\r
+ @param[in] NetSession Pointer to the EFI_NET_SESSION_DATA of the packet\r
+ causes this icmp error message.\r
+ @param[in] Udp4Header Pointer to the udp header of the datagram causes\r
+ this icmp error message.\r
\r
**/\r
VOID\r
// Allocate space for the IP4_ICMP_ERROR_HEAD.\r
//\r
IcmpErrHdr = (IP4_ICMP_ERROR_HEAD *) NetbufAllocSpace (Packet, Len, FALSE);\r
+ ASSERT (IcmpErrHdr != NULL);\r
\r
//\r
// Set the required fields for the icmp port unreachable message.\r
This function handles the received Icmp Error message and demultiplexes it to the\r
instance.\r
\r
- @param Udp4Service Pointer to the udp service context data.\r
- @param IcmpError The icmp error code.\r
- @param NetSession Pointer to the EFI_NET_SESSION_DATA abstracted\r
+ @param[in] Udp4Service Pointer to the udp service context data.\r
+ @param[in] IcmpError The icmp error code.\r
+ @param[in] NetSession Pointer to the EFI_NET_SESSION_DATA abstracted\r
from the received Icmp Error packet.\r
- @param Packet Pointer to the Icmp Error packet.\r
-\r
- @return None.\r
+ @param[in] Packet Pointer to the Icmp Error packet.\r
\r
**/\r
VOID\r
/**\r
This function reports the received ICMP error.\r
\r
- @param Instance Pointer to the udp instance context data.\r
-\r
- @return None.\r
+ @param[in] Instance Pointer to the udp instance context data.\r
\r
**/\r
VOID\r
This function is a dummy ext-free function for the NET_BUF created for the output\r
udp datagram.\r
\r
- @param Context Pointer to the context data.\r
-\r
- @return None.\r
+ @param[in] Context Pointer to the context data.\r
\r
**/\r
VOID\r
/**\r
Clear the variable and free the resource.\r
\r
- @param Udp4Service Udp4 service data.\r
-\r
- @return None.\r
+ @param[[in] Udp4Service Udp4 service data.\r
\r
**/\r
VOID\r
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