diff options
Diffstat (limited to 'NetworkPkg/Ip6Dxe/Ip6Driver.c')
| -rw-r--r-- | NetworkPkg/Ip6Dxe/Ip6Driver.c | 145 |
1 files changed, 82 insertions, 63 deletions
diff --git a/NetworkPkg/Ip6Dxe/Ip6Driver.c b/NetworkPkg/Ip6Dxe/Ip6Driver.c index 3fd1f73195..27550a5b3e 100644 --- a/NetworkPkg/Ip6Dxe/Ip6Driver.c +++ b/NetworkPkg/Ip6Dxe/Ip6Driver.c @@ -114,14 +114,16 @@ Ip6CleanService ( Ip6ConfigCleanInstance (&IpSb->Ip6ConfigInstance);
- //
- // Leave link-scope all-nodes multicast address (FF02::1)
- //
- Ip6SetToAllNodeMulticast (FALSE, IP6_LINK_LOCAL_SCOPE, &AllNodes);
+ if (!IpSb->LinkLocalDadFail) {
+ //
+ // Leave link-scope all-nodes multicast address (FF02::1)
+ //
+ Ip6SetToAllNodeMulticast (FALSE, IP6_LINK_LOCAL_SCOPE, &AllNodes);
- Status = Ip6LeaveGroup (IpSb, &AllNodes);
- if (EFI_ERROR (Status)) {
- return Status;
+ Status = Ip6LeaveGroup (IpSb, &AllNodes);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
}
if (IpSb->DefaultInterface != NULL) {
@@ -244,7 +246,6 @@ Ip6CreateService ( IpSb->ServiceBinding.CreateChild = Ip6ServiceBindingCreateChild;
IpSb->ServiceBinding.DestroyChild = Ip6ServiceBindingDestroyChild;
IpSb->State = IP6_SERVICE_UNSTARTED;
- IpSb->InDestroy = FALSE;
IpSb->NumChildren = 0;
InitializeListHead (&IpSb->Children);
@@ -573,6 +574,43 @@ Ip6DriverBindingStart ( }
/**
+ Callback function which provided by user to remove one node in NetDestroyLinkList process.
+
+ @param[in] Entry The entry to be removed.
+ @param[in] Context Pointer to the callback context corresponds to the Context in NetDestroyLinkList.
+
+ @retval EFI_SUCCESS The entry has been removed successfully.
+ @retval Others Fail to remove the entry.
+
+**/
+EFI_STATUS
+Ip6DestroyChildEntryInHandleBuffer (
+ IN LIST_ENTRY *Entry,
+ IN VOID *Context
+)
+{
+ IP6_PROTOCOL *IpInstance;
+ EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;
+ UINTN NumberOfChildren;
+ EFI_HANDLE *ChildHandleBuffer;
+
+ if (Entry == NULL || Context == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ IpInstance = NET_LIST_USER_STRUCT_S (Entry, IP6_PROTOCOL, Link, IP6_PROTOCOL_SIGNATURE);
+ ServiceBinding = ((IP6_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->ServiceBinding;
+ NumberOfChildren = ((IP6_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->NumberOfChildren;
+ ChildHandleBuffer = ((IP6_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->ChildHandleBuffer;
+
+ if (!NetIsInHandleBuffer (IpInstance->Handle, NumberOfChildren, ChildHandleBuffer)) {
+ return EFI_SUCCESS;
+ }
+
+ return ServiceBinding->DestroyChild (ServiceBinding, IpInstance->Handle);
+}
+
+/**
Stop this driver on ControllerHandle.
@param[in] This Protocol instance pointer.
@@ -595,30 +633,23 @@ Ip6DriverBindingStop ( IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
)
{
- EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;
- IP6_SERVICE *IpSb;
- IP6_PROTOCOL *IpInstance;
- EFI_HANDLE NicHandle;
- EFI_STATUS Status;
- BOOLEAN IsDhcp6;
- EFI_TPL OldTpl;
- INTN State;
+ EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;
+ IP6_SERVICE *IpSb;
+ EFI_HANDLE NicHandle;
+ EFI_STATUS Status;
+ LIST_ENTRY *List;
+ INTN State;
+ BOOLEAN IsDhcp6;
+ IP6_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT Context;
IsDhcp6 = FALSE;
- NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiDhcp6ProtocolGuid);
-
- if (NicHandle != NULL) {
- //
- // DriverBindingStop is triggered by the uninstallation of the EFI DHCPv6
- // Protocol used by Ip6Config.
- //
- IsDhcp6 = TRUE;
- } else {
-
- NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiManagedNetworkProtocolGuid);
-
- if (NicHandle == NULL) {
- return EFI_DEVICE_ERROR;
+ NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiManagedNetworkProtocolGuid);
+ if (NicHandle == NULL) {
+ NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiDhcp6ProtocolGuid);
+ if (NicHandle != NULL) {
+ IsDhcp6 = TRUE;
+ } else {
+ return EFI_SUCCESS;
}
}
@@ -636,21 +667,25 @@ Ip6DriverBindingStop ( IpSb = IP6_SERVICE_FROM_PROTOCOL (ServiceBinding);
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
-
- if (IpSb->InDestroy) {
- Status = EFI_SUCCESS;
- goto Exit;
- }
-
if (IsDhcp6) {
-
Status = Ip6ConfigDestroyDhcp6 (&IpSb->Ip6ConfigInstance);
gBS->CloseEvent (IpSb->Ip6ConfigInstance.Dhcp6Event);
IpSb->Ip6ConfigInstance.Dhcp6Event = NULL;
- } else if (NumberOfChildren == 0) {
-
- IpSb->InDestroy = TRUE;
+ } else if (NumberOfChildren != 0) {
+ //
+ // NumberOfChildren is not zero, destroy the IP6 children instances in ChildHandleBuffer.
+ //
+ List = &IpSb->Children;
+ Context.ServiceBinding = ServiceBinding;
+ Context.NumberOfChildren = NumberOfChildren;
+ Context.ChildHandleBuffer = ChildHandleBuffer;
+ Status = NetDestroyLinkList (
+ List,
+ Ip6DestroyChildEntryInHandleBuffer,
+ &Context,
+ NULL
+ );
+ } else if (IsListEmpty (&IpSb->Children)) {
State = IpSb->State;
IpSb->State = IP6_SERVICE_DESTROY;
@@ -675,24 +710,10 @@ Ip6DriverBindingStop ( );
ASSERT_EFI_ERROR (Status);
FreePool (IpSb);
- } else {
- //
- // NumberOfChildren is not zero, destroy all IP6 children instances.
- //
- while (!IsListEmpty (&IpSb->Children)) {
- IpInstance = NET_LIST_HEAD (&IpSb->Children, IP6_PROTOCOL, Link);
- ServiceBinding->DestroyChild (ServiceBinding, IpInstance->Handle);
- }
-
- if (IpSb->NumChildren != 0) {
- Status = EFI_DEVICE_ERROR;
- }
+ Status = EFI_SUCCESS;
}
-
+
Exit:
-
- gBS->RestoreTPL (OldTpl);
-
return Status;
}
@@ -830,7 +851,6 @@ Ip6ServiceBindingDestroyChild ( IP6_PROTOCOL *IpInstance;
EFI_IP6_PROTOCOL *Ip6;
EFI_TPL OldTpl;
- INTN State;
if ((This == NULL) || (ChildHandle == NULL)) {
return EFI_INVALID_PARAMETER;
@@ -868,13 +888,12 @@ Ip6ServiceBindingDestroyChild ( // when UDP driver is being stopped, it will destroy all
// the IP child it opens.
//
- if (IpInstance->State == IP6_STATE_DESTROY) {
+ if (IpInstance->InDestroy) {
gBS->RestoreTPL (OldTpl);
return EFI_SUCCESS;
}
- State = IpInstance->State;
- IpInstance->State = IP6_STATE_DESTROY;
+ IpInstance->InDestroy = TRUE;
//
// Close the Managed Network protocol.
@@ -900,12 +919,13 @@ Ip6ServiceBindingDestroyChild ( // will be called back before preceeding. If any packets not recycled,
// that means there is a resource leak.
//
+ gBS->RestoreTPL (OldTpl);
Status = gBS->UninstallProtocolInterface (
ChildHandle,
&gEfiIp6ProtocolGuid,
&IpInstance->Ip6Proto
);
-
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
if (EFI_ERROR (Status)) {
goto ON_ERROR;
}
@@ -935,7 +955,6 @@ Ip6ServiceBindingDestroyChild ( return EFI_SUCCESS;
ON_ERROR:
- IpInstance->State = State;
gBS->RestoreTPL (OldTpl);
return Status;
|