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Scrubbed some code for Udp4

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6494 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jgong5
2008-11-13 08:08:44 +00:00
parent 9f0b86b7f9
commit bab52709d8
3 changed files with 325 additions and 285 deletions
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105
MdeModulePkg/Universal/Network/Udp4Dxe/Udp4Impl.c
View File

@@ -128,13 +128,14 @@ Udp4SendPortUnreach (
@retval EFI_SUCCESS The udp4 service context data is created and
initialized.
@retval EFI_OUT_OF_RESOURCES Cannot allocate memory.
@retval other Other error occurs.
**/
EFI_STATUS
Udp4CreateService (
IN UDP4_SERVICE_DATA *Udp4Service,
IN EFI_HANDLE ImageHandle,
IN EFI_HANDLE ControllerHandle
IN OUT UDP4_SERVICE_DATA *Udp4Service,
IN EFI_HANDLE ImageHandle,
IN EFI_HANDLE ControllerHandle
)
{
EFI_STATUS Status;
@@ -251,7 +252,7 @@ Udp4CleanService (
service context.
@param Event The event this function registered to.
@param Conext The context data registered during the creation of
@param Context The context data registered during the creation of
the Event.
@return None.
@@ -318,8 +319,8 @@ Udp4CheckTimeout (
**/
VOID
Udp4InitInstance (
IN UDP4_SERVICE_DATA *Udp4Service,
IN UDP4_INSTANCE_DATA *Instance
IN UDP4_SERVICE_DATA *Udp4Service,
IN OUT UDP4_INSTANCE_DATA *Instance
)
{
//
@@ -380,7 +381,8 @@ Udp4CleanInstance (
@param Address Pointer to the specified IPv4 address.
@param Port The udp port number.
@return Is the specified <Address, Port> pair found or not.
@retval TRUE The specified <Address, Port> pair is found.
@retval FALSE Otherwise.
**/
BOOLEAN
@@ -427,12 +429,13 @@ Udp4FindInstanceByPort (
/**
This function tries to bind the udp instance according to the configured port
allocation stragety.
allocation strategy.
@param InstanceList Pointer to the head of the list linking the udp
instances.
@param ConfigData Pointer to the ConfigData of the instance to be
bound.
bound. ConfigData->StationPort will be assigned
with an available port value on success.
@retval EFI_SUCCESS The bound operation is completed successfully.
@retval EFI_ACCESS_DENIED The <Address, Port> specified by the ConfigData is
@@ -442,8 +445,8 @@ Udp4FindInstanceByPort (
**/
EFI_STATUS
Udp4Bind (
IN LIST_ENTRY *InstanceList,
IN EFI_UDP4_CONFIG_DATA *ConfigData
IN LIST_ENTRY *InstanceList,
IN OUT EFI_UDP4_CONFIG_DATA *ConfigData
)
{
EFI_IPv4_ADDRESS *StationAddress;
@@ -514,7 +517,8 @@ Udp4Bind (
uses.
@param NewConfigData Pointer to the new ConfigData.
@return The instance is reconfigurable or not according to the NewConfigData.
@retval TRUE The instance is reconfigurable.
@retval FALSE Otherwise.
**/
BOOLEAN
@@ -523,10 +527,11 @@ Udp4IsReconfigurable (
IN EFI_UDP4_CONFIG_DATA *NewConfigData
)
{
if ((NewConfigData->AcceptAnyPort != OldConfigData->AcceptAnyPort) ||
(NewConfigData->AcceptBroadcast != OldConfigData->AcceptBroadcast) ||
(NewConfigData->AcceptPromiscuous != OldConfigData->AcceptPromiscuous) ||
(NewConfigData->AllowDuplicatePort != OldConfigData->AllowDuplicatePort)) {
if ((NewConfigData->AcceptAnyPort != OldConfigData->AcceptAnyPort) ||
(NewConfigData->AcceptBroadcast != OldConfigData->AcceptBroadcast) ||
(NewConfigData->AcceptPromiscuous != OldConfigData->AcceptPromiscuous) ||
(NewConfigData->AllowDuplicatePort != OldConfigData->AllowDuplicatePort)
) {
//
// The receiving filter parameters cannot be changed.
//
@@ -534,7 +539,8 @@ Udp4IsReconfigurable (
}
if ((!NewConfigData->AcceptAnyPort) &&
(NewConfigData->StationPort != OldConfigData->StationPort)) {
(NewConfigData->StationPort != OldConfigData->StationPort)
) {
//
// The port is not changeable.
//
@@ -551,8 +557,9 @@ Udp4IsReconfigurable (
}
if (!NewConfigData->UseDefaultAddress &&
(!EFI_IP4_EQUAL (&NewConfigData->StationAddress, &OldConfigData->StationAddress) ||
!EFI_IP4_EQUAL (&NewConfigData->SubnetMask, &OldConfigData->SubnetMask))) {
(!EFI_IP4_EQUAL (&NewConfigData->StationAddress, &OldConfigData->StationAddress) ||
!EFI_IP4_EQUAL (&NewConfigData->SubnetMask, &OldConfigData->SubnetMask))
) {
//
// If the instance doesn't use the default address, and the new address or
// new subnet mask is different from the old values.
@@ -568,7 +575,9 @@ Udp4IsReconfigurable (
return FALSE;
}
if (!EFI_IP4_EQUAL (&NewConfigData->RemoteAddress, &mZeroIp4Addr) && (NewConfigData->RemotePort != OldConfigData->RemotePort)) {
if (!EFI_IP4_EQUAL (&NewConfigData->RemoteAddress, &mZeroIp4Addr) &&
NewConfigData->RemotePort != OldConfigData->RemotePort
) {
//
// The RemotePort differs if it's designated in the configdata.
//
@@ -593,8 +602,8 @@ Udp4IsReconfigurable (
**/
VOID
Udp4BuildIp4ConfigData (
IN EFI_UDP4_CONFIG_DATA *Udp4ConfigData,
IN EFI_IP4_CONFIG_DATA *Ip4ConfigData
IN EFI_UDP4_CONFIG_DATA *Udp4ConfigData,
IN OUT EFI_IP4_CONFIG_DATA *Ip4ConfigData
)
{
CopyMem (Ip4ConfigData, &mIpIoDefaultIpConfigData, sizeof (*Ip4ConfigData));
@@ -818,8 +827,8 @@ Udp4Checksum (
**/
EFI_STATUS
Udp4RemoveToken (
IN NET_MAP *TokenMap,
IN EFI_UDP4_COMPLETION_TOKEN *Token
IN OUT NET_MAP *TokenMap,
IN EFI_UDP4_COMPLETION_TOKEN *Token
)
{
NET_MAP_ITEM *Item;
@@ -943,9 +952,9 @@ Udp4DgramRcvd (
**/
EFI_STATUS
Udp4LeaveGroup (
IN NET_MAP *Map,
IN NET_MAP_ITEM *Item,
IN VOID *Arg OPTIONAL
IN OUT NET_MAP *Map,
IN NET_MAP_ITEM *Item,
IN VOID *Arg OPTIONAL
)
{
EFI_IPv4_ADDRESS *McastIp;
@@ -977,12 +986,13 @@ Udp4LeaveGroup (
/**
This function cancle the token specified by Arg in the Map.
This function cancels the token specified by Arg in the Map. This is a callback
used by Udp4InstanceCancelToken().
@param Map Pointer to the NET_MAP.
@param Item Pointer to the NET_MAP_ITEM.
@param Arg Pointer to the token to be cancelled, if NULL, all
the tokens in this Map will be cancelled.
@param Arg Pointer to the token to be cancelled, if NULL,
the token specified by Item is cancelled.
@retval EFI_SUCCESS The token is cancelled if Arg is NULL or the token
is not the same as that in the Item if Arg is not
@@ -1039,7 +1049,7 @@ Udp4CancelTokens (
/**
This function removes all the Wrap datas in the RcvdDgramQue.
@param RcvdDgramQue Pointer to the list containing all the Wrap datas.
@param Instance Pointer to the udp instance context data.
@return None.
@@ -1067,6 +1077,7 @@ Udp4FlushRcvdDgram (
/**
Cancel Udp4 tokens from the Udp4 instance.
@param Instance Pointer to the udp instance context data.
@param Token Pointer to the token to be canceled, if NULL, all
@@ -1085,7 +1096,7 @@ Udp4InstanceCancelToken (
EFI_STATUS Status;
//
// Cancle this token from the TxTokens map.
// Cancel this token from the TxTokens map.
//
Status = NetMapIterate (&Instance->TxTokens, Udp4CancelTokens, Token);
@@ -1125,7 +1136,9 @@ Udp4InstanceCancelToken (
@param Udp4Session Pointer to the EFI_UDP4_SESSION_DATA abstracted
from the received udp datagram.
@return The udp datagram matches the receiving requirments of the Instance or not.
@retval TRUE The udp datagram matches the receiving requirments of the
udp Instance.
@retval FALSE Otherwise.
**/
BOOLEAN
@@ -1147,7 +1160,8 @@ Udp4MatchDgram (
}
if ((!ConfigData->AcceptAnyPort && (Udp4Session->DestinationPort != ConfigData->StationPort)) ||
((ConfigData->RemotePort != 0) && (Udp4Session->SourcePort != ConfigData->RemotePort))) {
((ConfigData->RemotePort != 0) && (Udp4Session->SourcePort != ConfigData->RemotePort))
) {
//
// The local port or the remote port doesn't match.
//
@@ -1155,7 +1169,8 @@ Udp4MatchDgram (
}
if (!EFI_IP4_EQUAL (&ConfigData->RemoteAddress, &mZeroIp4Addr) &&
!EFI_IP4_EQUAL (&ConfigData->RemoteAddress, &Udp4Session->SourceAddress)) {
!EFI_IP4_EQUAL (&ConfigData->RemoteAddress, &Udp4Session->SourceAddress)
) {
//
// This datagram doesn't come from the instance's specified sender.
//
@@ -1163,9 +1178,10 @@ Udp4MatchDgram (
}
if (EFI_IP4_EQUAL (&ConfigData->StationAddress, &mZeroIp4Addr) ||
EFI_IP4_EQUAL (&Udp4Session->DestinationAddress, &ConfigData->StationAddress)) {
EFI_IP4_EQUAL (&Udp4Session->DestinationAddress, &ConfigData->StationAddress)
) {
//
// The instance is configured to receive datagrams destinated to any station IP or
// The instance is configured to receive datagrams destined to any station IP or
// the destination address of this datagram matches the configured station IP.
//
return TRUE;
@@ -1181,7 +1197,8 @@ Udp4MatchDgram (
}
if (IP4_IS_MULTICAST (NTOHL (Destination)) &&
(NULL != NetMapFindKey (&Instance->McastIps, (VOID *) (UINTN) Destination))) {
NetMapFindKey (&Instance->McastIps, (VOID *) (UINTN) Destination) != NULL
) {
//
// It's a multicast packet and the multicast address is accepted by this instance.
//
@@ -1365,7 +1382,7 @@ Udp4InstanceDeliverDgram (
EFI_TPL OldTpl;
if (!IsListEmpty (&Instance->RcvdDgramQue) &&
!NetMapIsEmpty (&Instance->RxTokens)) {
!NetMapIsEmpty (&Instance->RxTokens)) {
Wrap = NET_LIST_HEAD (&Instance->RcvdDgramQue, UDP4_RXDATA_WRAP, Link);
@@ -1381,7 +1398,7 @@ Udp4InstanceDeliverDgram (
NetbufFree (Wrap->Packet);
Wrap->Packet = Dup;
}
}
NetListRemoveHead (&Instance->RcvdDgramQue);
@@ -1678,9 +1695,10 @@ Udp4IcmpHandler (
Instance = NET_LIST_USER_STRUCT (Entry, UDP4_INSTANCE_DATA, Link);
if (!Instance->Configured ||
Instance->ConfigData.AcceptPromiscuous ||
Instance->ConfigData.AcceptAnyPort ||
EFI_IP4_EQUAL (&Instance->ConfigData.StationAddress, &mZeroIp4Addr)) {
Instance->ConfigData.AcceptPromiscuous ||
Instance->ConfigData.AcceptAnyPort ||
EFI_IP4_EQUAL (&Instance->ConfigData.StationAddress, &mZeroIp4Addr)
) {
//
// Don't try to deliver the ICMP error to this instance if it is not configured,
// or it's configured to be promiscuous or accept any port or accept all the
@@ -1780,6 +1798,7 @@ Udp4NetVectorExtFree (
@retval EFI_OUT_OF_RESOURCES There are not enough resources to set the
variable.
@retval EFI_SUCCESS Set variable successfully.
@retval other Set variable failed.
**/