diff options
Diffstat (limited to 'NetworkPkg/Ip6Dxe/Ip6Nd.c')
| -rw-r--r-- | NetworkPkg/Ip6Dxe/Ip6Nd.c | 1554 |
1 files changed, 784 insertions, 770 deletions
diff --git a/NetworkPkg/Ip6Dxe/Ip6Nd.c b/NetworkPkg/Ip6Dxe/Ip6Nd.c index 0780a98cb3..c10c7017f8 100644 --- a/NetworkPkg/Ip6Dxe/Ip6Nd.c +++ b/NetworkPkg/Ip6Dxe/Ip6Nd.c @@ -9,7 +9,7 @@ #include "Ip6Impl.h"
-EFI_MAC_ADDRESS mZeroMacAddress;
+EFI_MAC_ADDRESS mZeroMacAddress;
/**
Update the ReachableTime in IP6 service binding instance data, in milliseconds.
@@ -22,10 +22,10 @@ Ip6UpdateReachableTime ( IN OUT IP6_SERVICE *IpSb
)
{
- UINT32 Random;
+ UINT32 Random;
- Random = (NetRandomInitSeed () / 4294967295UL) * IP6_RANDOM_FACTOR_SCALE;
- Random = Random + IP6_MIN_RANDOM_FACTOR_SCALED;
+ Random = (NetRandomInitSeed () / 4294967295UL) * IP6_RANDOM_FACTOR_SCALE;
+ Random = Random + IP6_MIN_RANDOM_FACTOR_SCALED;
IpSb->ReachableTime = (IpSb->BaseReachableTime * Random) / IP6_RANDOM_FACTOR_SCALE;
}
@@ -43,17 +43,17 @@ Ip6UpdateReachableTime ( **/
EFI_STATUS
Ip6BuildEfiNeighborCache (
- IN IP6_PROTOCOL *IpInstance,
- OUT UINT32 *NeighborCount,
- OUT EFI_IP6_NEIGHBOR_CACHE **NeighborCache
+ IN IP6_PROTOCOL *IpInstance,
+ OUT UINT32 *NeighborCount,
+ OUT EFI_IP6_NEIGHBOR_CACHE **NeighborCache
)
{
- IP6_NEIGHBOR_ENTRY *Neighbor;
- LIST_ENTRY *Entry;
- IP6_SERVICE *IpSb;
- UINT32 Count;
- EFI_IP6_NEIGHBOR_CACHE *EfiNeighborCache;
- EFI_IP6_NEIGHBOR_CACHE *NeighborCacheTmp;
+ IP6_NEIGHBOR_ENTRY *Neighbor;
+ LIST_ENTRY *Entry;
+ IP6_SERVICE *IpSb;
+ UINT32 Count;
+ EFI_IP6_NEIGHBOR_CACHE *EfiNeighborCache;
+ EFI_IP6_NEIGHBOR_CACHE *NeighborCacheTmp;
NET_CHECK_SIGNATURE (IpInstance, IP6_PROTOCOL_SIGNATURE);
ASSERT (NeighborCount != NULL && NeighborCache != NULL);
@@ -82,7 +82,7 @@ Ip6BuildEfiNeighborCache ( EfiNeighborCache = NeighborCacheTmp + Count;
- EfiNeighborCache->State = Neighbor->State;
+ EfiNeighborCache->State = Neighbor->State;
IP6_COPY_ADDRESS (&EfiNeighborCache->Neighbor, &Neighbor->Neighbor);
IP6_COPY_LINK_ADDRESS (&EfiNeighborCache->LinkAddress, &Neighbor->LinkAddress);
@@ -114,12 +114,12 @@ Ip6BuildPrefixTable ( OUT EFI_IP6_ADDRESS_INFO **PrefixTable
)
{
- LIST_ENTRY *Entry;
- IP6_SERVICE *IpSb;
- UINT32 Count;
- IP6_PREFIX_LIST_ENTRY *PrefixList;
- EFI_IP6_ADDRESS_INFO *EfiPrefix;
- EFI_IP6_ADDRESS_INFO *PrefixTableTmp;
+ LIST_ENTRY *Entry;
+ IP6_SERVICE *IpSb;
+ UINT32 Count;
+ IP6_PREFIX_LIST_ENTRY *PrefixList;
+ EFI_IP6_ADDRESS_INFO *EfiPrefix;
+ EFI_IP6_ADDRESS_INFO *PrefixTableTmp;
NET_CHECK_SIGNATURE (IpInstance, IP6_PROTOCOL_SIGNATURE);
ASSERT (PrefixCount != NULL && PrefixTable != NULL);
@@ -178,21 +178,21 @@ Ip6BuildPrefixTable ( **/
IP6_PREFIX_LIST_ENTRY *
Ip6CreatePrefixListEntry (
- IN IP6_SERVICE *IpSb,
- IN BOOLEAN OnLinkOrAuto,
- IN UINT32 ValidLifetime,
- IN UINT32 PreferredLifetime,
- IN UINT8 PrefixLength,
- IN EFI_IPv6_ADDRESS *Prefix
+ IN IP6_SERVICE *IpSb,
+ IN BOOLEAN OnLinkOrAuto,
+ IN UINT32 ValidLifetime,
+ IN UINT32 PreferredLifetime,
+ IN UINT8 PrefixLength,
+ IN EFI_IPv6_ADDRESS *Prefix
)
{
- IP6_PREFIX_LIST_ENTRY *PrefixEntry;
- IP6_ROUTE_ENTRY *RtEntry;
- LIST_ENTRY *ListHead;
- LIST_ENTRY *Entry;
- IP6_PREFIX_LIST_ENTRY *TmpPrefixEntry;
+ IP6_PREFIX_LIST_ENTRY *PrefixEntry;
+ IP6_ROUTE_ENTRY *RtEntry;
+ LIST_ENTRY *ListHead;
+ LIST_ENTRY *Entry;
+ IP6_PREFIX_LIST_ENTRY *TmpPrefixEntry;
- if (Prefix == NULL || PreferredLifetime > ValidLifetime || PrefixLength > IP6_PREFIX_MAX) {
+ if ((Prefix == NULL) || (PreferredLifetime > ValidLifetime) || (PrefixLength > IP6_PREFIX_MAX)) {
return NULL;
}
@@ -205,7 +205,7 @@ Ip6CreatePrefixListEntry ( Prefix
);
if (PrefixEntry != NULL) {
- PrefixEntry->RefCnt ++;
+ PrefixEntry->RefCnt++;
return PrefixEntry;
}
@@ -242,7 +242,7 @@ Ip6CreatePrefixListEntry ( // is put ahead in the list.
//
NET_LIST_FOR_EACH (Entry, ListHead) {
- TmpPrefixEntry = NET_LIST_USER_STRUCT(Entry, IP6_PREFIX_LIST_ENTRY, Link);
+ TmpPrefixEntry = NET_LIST_USER_STRUCT (Entry, IP6_PREFIX_LIST_ENTRY, Link);
if (TmpPrefixEntry->PrefixLength < PrefixEntry->PrefixLength) {
break;
@@ -274,26 +274,26 @@ Ip6DestroyPrefixListEntry ( IN BOOLEAN ImmediateDelete
)
{
- LIST_ENTRY *Entry;
- IP6_INTERFACE *IpIf;
- EFI_STATUS Status;
+ LIST_ENTRY *Entry;
+ IP6_INTERFACE *IpIf;
+ EFI_STATUS Status;
if ((!ImmediateDelete) && (PrefixEntry->RefCnt > 0) && ((--PrefixEntry->RefCnt) > 0)) {
- return ;
+ return;
}
if (OnLinkOrAuto) {
- //
- // Remove the direct route for onlink prefix from route table.
- //
- do {
- Status = Ip6DelRoute (
- IpSb->RouteTable,
- &PrefixEntry->Prefix,
- PrefixEntry->PrefixLength,
- NULL
- );
- } while (Status != EFI_NOT_FOUND);
+ //
+ // Remove the direct route for onlink prefix from route table.
+ //
+ do {
+ Status = Ip6DelRoute (
+ IpSb->RouteTable,
+ &PrefixEntry->Prefix,
+ PrefixEntry->PrefixLength,
+ NULL
+ );
+ } while (Status != EFI_NOT_FOUND);
} else {
//
// Remove the corresponding addresses generated from this autonomous prefix.
@@ -324,15 +324,15 @@ Ip6DestroyPrefixListEntry ( **/
IP6_PREFIX_LIST_ENTRY *
Ip6FindPrefixListEntry (
- IN IP6_SERVICE *IpSb,
- IN BOOLEAN OnLinkOrAuto,
- IN UINT8 PrefixLength,
- IN EFI_IPv6_ADDRESS *Prefix
+ IN IP6_SERVICE *IpSb,
+ IN BOOLEAN OnLinkOrAuto,
+ IN UINT8 PrefixLength,
+ IN EFI_IPv6_ADDRESS *Prefix
)
{
- IP6_PREFIX_LIST_ENTRY *PrefixList;
- LIST_ENTRY *Entry;
- LIST_ENTRY *ListHead;
+ IP6_PREFIX_LIST_ENTRY *PrefixList;
+ LIST_ENTRY *Entry;
+ LIST_ENTRY *ListHead;
NET_CHECK_SIGNATURE (IpSb, IP6_SERVICE_SIGNATURE);
ASSERT (Prefix != NULL);
@@ -349,8 +349,9 @@ Ip6FindPrefixListEntry ( //
// Perform exactly prefix match.
//
- if (PrefixList->PrefixLength == PrefixLength &&
- NetIp6IsNetEqual (&PrefixList->Prefix, Prefix, PrefixLength)) {
+ if ((PrefixList->PrefixLength == PrefixLength) &&
+ NetIp6IsNetEqual (&PrefixList->Prefix, Prefix, PrefixLength))
+ {
return PrefixList;
}
} else {
@@ -377,14 +378,14 @@ Ip6FindPrefixListEntry ( **/
VOID
Ip6CleanPrefixListTable (
- IN IP6_SERVICE *IpSb,
- IN LIST_ENTRY *ListHead
+ IN IP6_SERVICE *IpSb,
+ IN LIST_ENTRY *ListHead
)
{
- IP6_PREFIX_LIST_ENTRY *PrefixList;
- BOOLEAN OnLink;
+ IP6_PREFIX_LIST_ENTRY *PrefixList;
+ BOOLEAN OnLink;
- OnLink = (BOOLEAN) (ListHead == &IpSb->OnlinkPrefix);
+ OnLink = (BOOLEAN)(ListHead == &IpSb->OnlinkPrefix);
while (!IsListEmpty (ListHead)) {
PrefixList = NET_LIST_HEAD (ListHead, IP6_PREFIX_LIST_ENTRY, Link);
@@ -402,25 +403,25 @@ Ip6CleanPrefixListTable ( **/
VOID
Ip6OnArpResolved (
- IN VOID *Context
+ IN VOID *Context
)
{
- LIST_ENTRY *Entry;
- LIST_ENTRY *Next;
- IP6_NEIGHBOR_ENTRY *ArpQue;
- IP6_SERVICE *IpSb;
- IP6_LINK_TX_TOKEN *Token;
- EFI_STATUS Status;
- BOOLEAN Sent;
-
- ArpQue = (IP6_NEIGHBOR_ENTRY *) Context;
+ LIST_ENTRY *Entry;
+ LIST_ENTRY *Next;
+ IP6_NEIGHBOR_ENTRY *ArpQue;
+ IP6_SERVICE *IpSb;
+ IP6_LINK_TX_TOKEN *Token;
+ EFI_STATUS Status;
+ BOOLEAN Sent;
+
+ ArpQue = (IP6_NEIGHBOR_ENTRY *)Context;
if ((ArpQue == NULL) || (ArpQue->Interface == NULL)) {
- return ;
+ return;
}
- IpSb = ArpQue->Interface->Service;
+ IpSb = ArpQue->Interface->Service;
if ((IpSb == NULL) || (IpSb->Signature != IP6_SERVICE_SIGNATURE)) {
- return ;
+ return;
}
//
@@ -430,7 +431,7 @@ Ip6OnArpResolved ( //
if (NET_MAC_EQUAL (&ArpQue->LinkAddress, &mZeroMacAddress, IpSb->SnpMode.HwAddressSize)) {
Ip6FreeNeighborEntry (IpSb, ArpQue, FALSE, TRUE, EFI_NO_MAPPING, NULL, NULL);
- return ;
+ return;
}
//
@@ -471,7 +472,7 @@ Ip6OnArpResolved ( if (Sent && (ArpQue->State == EfiNeighborStale)) {
ArpQue->State = EfiNeighborDelay;
- ArpQue->Ticks = (UINT32) IP6_GET_TICKS (IP6_DELAY_FIRST_PROBE_TIME);
+ ArpQue->Ticks = (UINT32)IP6_GET_TICKS (IP6_DELAY_FIRST_PROBE_TIME);
}
}
@@ -491,17 +492,17 @@ Ip6OnArpResolved ( **/
IP6_NEIGHBOR_ENTRY *
Ip6CreateNeighborEntry (
- IN IP6_SERVICE *IpSb,
- IN IP6_ARP_CALLBACK CallBack,
- IN EFI_IPv6_ADDRESS *Ip6Address,
- IN EFI_MAC_ADDRESS *LinkAddress OPTIONAL
+ IN IP6_SERVICE *IpSb,
+ IN IP6_ARP_CALLBACK CallBack,
+ IN EFI_IPv6_ADDRESS *Ip6Address,
+ IN EFI_MAC_ADDRESS *LinkAddress OPTIONAL
)
{
- IP6_NEIGHBOR_ENTRY *Entry;
- IP6_DEFAULT_ROUTER *DefaultRouter;
+ IP6_NEIGHBOR_ENTRY *Entry;
+ IP6_DEFAULT_ROUTER *DefaultRouter;
NET_CHECK_SIGNATURE (IpSb, IP6_SERVICE_SIGNATURE);
- ASSERT (Ip6Address!= NULL);
+ ASSERT (Ip6Address != NULL);
Entry = AllocateZeroPool (sizeof (IP6_NEIGHBOR_ENTRY));
if (Entry == NULL) {
@@ -552,13 +553,13 @@ Ip6CreateNeighborEntry ( **/
IP6_NEIGHBOR_ENTRY *
Ip6FindNeighborEntry (
- IN IP6_SERVICE *IpSb,
- IN EFI_IPv6_ADDRESS *Ip6Address
+ IN IP6_SERVICE *IpSb,
+ IN EFI_IPv6_ADDRESS *Ip6Address
)
{
- LIST_ENTRY *Entry;
- LIST_ENTRY *Next;
- IP6_NEIGHBOR_ENTRY *Neighbor;
+ LIST_ENTRY *Entry;
+ LIST_ENTRY *Next;
+ IP6_NEIGHBOR_ENTRY *Neighbor;
NET_CHECK_SIGNATURE (IpSb, IP6_SERVICE_SIGNATURE);
ASSERT (Ip6Address != NULL);
@@ -599,25 +600,25 @@ Ip6FindNeighborEntry ( **/
EFI_STATUS
Ip6FreeNeighborEntry (
- IN IP6_SERVICE *IpSb,
- IN IP6_NEIGHBOR_ENTRY *NeighborCache,
- IN BOOLEAN SendIcmpError,
- IN BOOLEAN FullFree,
- IN EFI_STATUS IoStatus,
- IN IP6_FRAME_TO_CANCEL FrameToCancel OPTIONAL,
- IN VOID *Context OPTIONAL
+ IN IP6_SERVICE *IpSb,
+ IN IP6_NEIGHBOR_ENTRY *NeighborCache,
+ IN BOOLEAN SendIcmpError,
+ IN BOOLEAN FullFree,
+ IN EFI_STATUS IoStatus,
+ IN IP6_FRAME_TO_CANCEL FrameToCancel OPTIONAL,
+ IN VOID *Context OPTIONAL
)
{
- IP6_LINK_TX_TOKEN *TxToken;
- LIST_ENTRY *Entry;
- LIST_ENTRY *Next;
- IP6_DEFAULT_ROUTER *DefaultRouter;
+ IP6_LINK_TX_TOKEN *TxToken;
+ LIST_ENTRY *Entry;
+ LIST_ENTRY *Next;
+ IP6_DEFAULT_ROUTER *DefaultRouter;
//
// If FrameToCancel fails, the token will not be released.
// To avoid the memory leak, stop this usage model.
//
- if (FullFree && FrameToCancel != NULL) {
+ if (FullFree && (FrameToCancel != NULL)) {
return EFI_INVALID_PARAMETER;
}
@@ -677,13 +678,13 @@ Ip6FreeNeighborEntry ( **/
IP6_DEFAULT_ROUTER *
Ip6CreateDefaultRouter (
- IN IP6_SERVICE *IpSb,
- IN EFI_IPv6_ADDRESS *Ip6Address,
- IN UINT16 RouterLifetime
+ IN IP6_SERVICE *IpSb,
+ IN EFI_IPv6_ADDRESS *Ip6Address,
+ IN UINT16 RouterLifetime
)
{
- IP6_DEFAULT_ROUTER *Entry;
- IP6_ROUTE_ENTRY *RtEntry;
+ IP6_DEFAULT_ROUTER *Entry;
+ IP6_ROUTE_ENTRY *RtEntry;
NET_CHECK_SIGNATURE (IpSb, IP6_SERVICE_SIGNATURE);
ASSERT (Ip6Address != NULL);
@@ -724,11 +725,11 @@ Ip6CreateDefaultRouter ( **/
VOID
Ip6DestroyDefaultRouter (
- IN IP6_SERVICE *IpSb,
- IN IP6_DEFAULT_ROUTER *DefaultRouter
+ IN IP6_SERVICE *IpSb,
+ IN IP6_DEFAULT_ROUTER *DefaultRouter
)
{
- EFI_STATUS Status;
+ EFI_STATUS Status;
RemoveEntryList (&DefaultRouter->Link);
@@ -751,10 +752,10 @@ Ip6DestroyDefaultRouter ( **/
VOID
Ip6CleanDefaultRouterList (
- IN IP6_SERVICE *IpSb
+ IN IP6_SERVICE *IpSb
)
{
- IP6_DEFAULT_ROUTER *DefaultRouter;
+ IP6_DEFAULT_ROUTER *DefaultRouter;
while (!IsListEmpty (&IpSb->DefaultRouterList)) {
DefaultRouter = NET_LIST_HEAD (&IpSb->DefaultRouterList, IP6_DEFAULT_ROUTER, Link);
@@ -774,12 +775,12 @@ Ip6CleanDefaultRouterList ( **/
IP6_DEFAULT_ROUTER *
Ip6FindDefaultRouter (
- IN IP6_SERVICE *IpSb,
- IN EFI_IPv6_ADDRESS *Ip6Address
+ IN IP6_SERVICE *IpSb,
+ IN EFI_IPv6_ADDRESS *Ip6Address
)
{
- LIST_ENTRY *Entry;
- IP6_DEFAULT_ROUTER *DefaultRouter;
+ LIST_ENTRY *Entry;
+ IP6_DEFAULT_ROUTER *DefaultRouter;
NET_CHECK_SIGNATURE (IpSb, IP6_SERVICE_SIGNATURE);
ASSERT (Ip6Address != NULL);
@@ -846,10 +847,10 @@ Ip6OnDADFinished ( // Set the exta options to send. Here we only want the option request option
// with DNS SERVERS.
//
- Oro = (EFI_DHCP6_PACKET_OPTION *) OptBuf;
- Oro->OpCode = HTONS (DHCP6_OPT_ORO);
- Oro->OpLen = HTONS (2);
- *((UINT16 *) &Oro->Data[0]) = HTONS (DHCP6_OPT_DNS_SERVERS);
+ Oro = (EFI_DHCP6_PACKET_OPTION *)OptBuf;
+ Oro->OpCode = HTONS (DHCP6_OPT_ORO);
+ Oro->OpLen = HTONS (2);
+ *((UINT16 *)&Oro->Data[0]) = HTONS (DHCP6_OPT_DNS_SERVERS);
InfoReqReXmit.Irt = 4;
InfoReqReXmit.Mrc = 64;
@@ -875,12 +876,11 @@ Ip6OnDADFinished ( Ip6CreatePrefixListEntry (
IpSb,
TRUE,
- (UINT32) IP6_INFINIT_LIFETIME,
- (UINT32) IP6_INFINIT_LIFETIME,
+ (UINT32)IP6_INFINIT_LIFETIME,
+ (UINT32)IP6_INFINIT_LIFETIME,
IP6_LINK_LOCAL_PREFIX_LENGTH,
&IpSb->LinkLocalAddr
);
-
} else {
//
// Global scope unicast address.
@@ -928,7 +928,7 @@ Ip6OnDADFinished ( IpSb->Mnp->Configure (IpSb->Mnp, NULL);
gBS->SetTimer (IpSb->Timer, TimerCancel, 0);
gBS->SetTimer (IpSb->FasterTimer, TimerCancel, 0);
- return ;
+ return;
}
if (!IsDadPassed || NetIp6IsLinkLocalAddr (&AddrInfo->Address)) {
@@ -961,10 +961,10 @@ Ip6OnDADFinished ( **/
EFI_STATUS
Ip6InitDADProcess (
- IN IP6_INTERFACE *IpIf,
- IN IP6_ADDRESS_INFO *AddressInfo,
- IN IP6_DAD_CALLBACK Callback OPTIONAL,
- IN VOID *Context OPTIONAL
+ IN IP6_INTERFACE *IpIf,
+ IN IP6_ADDRESS_INFO *AddressInfo,
+ IN IP6_DAD_CALLBACK Callback OPTIONAL,
+ IN VOID *Context OPTIONAL
)
{
IP6_DAD_ENTRY *Entry;
@@ -1009,15 +1009,15 @@ Ip6InitDADProcess ( return Status;
}
- Entry->Signature = IP6_DAD_ENTRY_SIGNATURE;
- Entry->MaxTransmit = DadXmits->DupAddrDetectTransmits;
- Entry->Transmit = 0;
- Entry->Receive = 0;
- MaxDelayTick = IP6_MAX_RTR_SOLICITATION_DELAY / IP6_TIMER_INTERVAL_IN_MS;
- Entry->RetransTick = (MaxDelayTick * ((NET_RANDOM (NetRandomInitSeed ()) % 5) + 1)) / 5;
- Entry->AddressInfo = AddressInfo;
- Entry->Callback = Callback;
- Entry->Context = Context;
+ Entry->Signature = IP6_DAD_ENTRY_SIGNATURE;
+ Entry->MaxTransmit = DadXmits->DupAddrDetectTransmits;
+ Entry->Transmit = 0;
+ Entry->Receive = 0;
+ MaxDelayTick = IP6_MAX_RTR_SOLICITATION_DELAY / IP6_TIMER_INTERVAL_IN_MS;
+ Entry->RetransTick = (MaxDelayTick * ((NET_RANDOM (NetRandomInitSeed ()) % 5) + 1)) / 5;
+ Entry->AddressInfo = AddressInfo;
+ Entry->Callback = Callback;
+ Entry->Context = Context;
InsertTailList (&IpIf->DupAddrDetectList, &Entry->Link);
if (Entry->MaxTransmit == 0) {
@@ -1044,16 +1044,16 @@ Ip6InitDADProcess ( **/
IP6_DAD_ENTRY *
Ip6FindDADEntry (
- IN IP6_SERVICE *IpSb,
- IN EFI_IPv6_ADDRESS *Target,
- OUT IP6_INTERFACE **Interface OPTIONAL
+ IN IP6_SERVICE *IpSb,
+ IN EFI_IPv6_ADDRESS *Target,
+ OUT IP6_INTERFACE **Interface OPTIONAL
)
{
- LIST_ENTRY *Entry;
- LIST_ENTRY *Entry2;
- IP6_INTERFACE *IpIf;
- IP6_DAD_ENTRY *DupAddrDetect;
- IP6_ADDRESS_INFO *AddrInfo;
+ LIST_ENTRY *Entry;
+ LIST_ENTRY *Entry2;
+ IP6_INTERFACE *IpIf;
+ IP6_DAD_ENTRY *DupAddrDetect;
+ IP6_ADDRESS_INFO *AddrInfo;
NET_LIST_FOR_EACH (Entry, &IpSb->Interfaces) {
IpIf = NET_LIST_USER_STRUCT (Entry, IP6_INTERFACE, Link);
@@ -1065,6 +1065,7 @@ Ip6FindDADEntry ( if (Interface != NULL) {
*Interface = IpIf;
}
+
return DupAddrDetect;
}
}
@@ -1093,24 +1094,24 @@ Ip6FindDADEntry ( **/
EFI_STATUS
Ip6SendRouterSolicit (
- IN IP6_SERVICE *IpSb,
- IN IP6_INTERFACE *Interface OPTIONAL,
- IN EFI_IPv6_ADDRESS *SourceAddress OPTIONAL,
- IN EFI_IPv6_ADDRESS *DestinationAddress OPTIONAL,
- IN EFI_MAC_ADDRESS *SourceLinkAddress OPTIONAL
+ IN IP6_SERVICE *IpSb,
+ IN IP6_INTERFACE *Interface OPTIONAL,
+ IN EFI_IPv6_ADDRESS *SourceAddress OPTIONAL,
+ IN EFI_IPv6_ADDRESS *DestinationAddress OPTIONAL,
+ IN EFI_MAC_ADDRESS *SourceLinkAddress OPTIONAL
)
{
- NET_BUF *Packet;
- EFI_IP6_HEADER Head;
- IP6_ICMP_INFORMATION_HEAD *IcmpHead;
- IP6_ETHER_ADDR_OPTION *LinkLayerOption;
- UINT16 PayloadLen;
- IP6_INTERFACE *IpIf;
+ NET_BUF *Packet;
+ EFI_IP6_HEADER Head;
+ IP6_ICMP_INFORMATION_HEAD *IcmpHead;
+ IP6_ETHER_ADDR_OPTION *LinkLayerOption;
+ UINT16 PayloadLen;
+ IP6_INTERFACE *IpIf;
NET_CHECK_SIGNATURE (IpSb, IP6_SERVICE_SIGNATURE);
IpIf = Interface;
- if (IpIf == NULL && IpSb->DefaultInterface != NULL) {
+ if ((IpIf == NULL) && (IpSb->DefaultInterface != NULL)) {
IpIf = IpSb->DefaultInterface;
}
@@ -1118,12 +1119,12 @@ Ip6SendRouterSolicit ( // Generate the packet to be sent
//
- PayloadLen = (UINT16) sizeof (IP6_ICMP_INFORMATION_HEAD);
+ PayloadLen = (UINT16)sizeof (IP6_ICMP_INFORMATION_HEAD);
if (SourceLinkAddress != NULL) {
PayloadLen += sizeof (IP6_ETHER_ADDR_OPTION);
}
- Packet = NetbufAlloc (sizeof (EFI_IP6_HEADER) + (UINT32) PayloadLen);
+ Packet = NetbufAlloc (sizeof (EFI_IP6_HEADER) + (UINT32)PayloadLen);
if (Packet == NULL) {
return EFI_OUT_OF_RESOURCES;
}
@@ -1131,11 +1132,11 @@ Ip6SendRouterSolicit ( //
// Create the basic IPv6 header.
//
- Head.FlowLabelL = 0;
- Head.FlowLabelH = 0;
- Head.PayloadLength = HTONS (PayloadLen);
- Head.NextHeader = IP6_ICMP;
- Head.HopLimit = IP6_HOP_LIMIT;
+ Head.FlowLabelL = 0;
+ Head.FlowLabelH = 0;
+ Head.PayloadLength = HTONS (PayloadLen);
+ Head.NextHeader = IP6_ICMP;
+ Head.HopLimit = IP6_HOP_LIMIT;
if (SourceAddress != NULL) {
IP6_COPY_ADDRESS (&Head.SourceAddress, SourceAddress);
@@ -1143,7 +1144,6 @@ Ip6SendRouterSolicit ( ZeroMem (&Head.SourceAddress, sizeof (EFI_IPv6_ADDRESS));
}
-
if (DestinationAddress != NULL) {
IP6_COPY_ADDRESS (&Head.DestinationAddress, DestinationAddress);
} else {
@@ -1156,7 +1156,7 @@ Ip6SendRouterSolicit ( // Fill in the ICMP header, and Source link-layer address if contained.
//
- IcmpHead = (IP6_ICMP_INFORMATION_HEAD *) NetbufAllocSpace (Packet, sizeof (IP6_ICMP_INFORMATION_HEAD), FALSE);
+ IcmpHead = (IP6_ICMP_INFORMATION_HEAD *)NetbufAllocSpace (Packet, sizeof (IP6_ICMP_INFORMATION_HEAD), FALSE);
ASSERT (IcmpHead != NULL);
ZeroMem (IcmpHead, sizeof (IP6_ICMP_INFORMATION_HEAD));
IcmpHead->Head.Type = ICMP_V6_ROUTER_SOLICIT;
@@ -1164,14 +1164,14 @@ Ip6SendRouterSolicit ( LinkLayerOption = NULL;
if (SourceLinkAddress != NULL) {
- LinkLayerOption = (IP6_ETHER_ADDR_OPTION *) NetbufAllocSpace (
- Packet,
- sizeof (IP6_ETHER_ADDR_OPTION),
- FALSE
- );
+ LinkLayerOption = (IP6_ETHER_ADDR_OPTION *)NetbufAllocSpace (
+ Packet,
+ sizeof (IP6_ETHER_ADDR_OPTION),
+ FALSE
+ );
ASSERT (LinkLayerOption != NULL);
LinkLayerOption->Type = Ip6OptionEtherSource;
- LinkLayerOption->Length = (UINT8) sizeof (IP6_ETHER_ADDR_OPTION);
+ LinkLayerOption->Length = (UINT8)sizeof (IP6_ETHER_ADDR_OPTION);
CopyMem (LinkLayerOption->EtherAddr, SourceLinkAddress, 6);
}
@@ -1205,22 +1205,22 @@ Ip6SendRouterSolicit ( **/
EFI_STATUS
Ip6SendNeighborAdvertise (
- IN IP6_SERVICE *IpSb,
- IN EFI_IPv6_ADDRESS *SourceAddress,
- IN EFI_IPv6_ADDRESS *DestinationAddress,
- IN EFI_IPv6_ADDRESS *TargetIp6Address,
- IN EFI_MAC_ADDRESS *TargetLinkAddress,
- IN BOOLEAN IsRouter,
- IN BOOLEAN Override,
- IN BOOLEAN Solicited
+ IN IP6_SERVICE *IpSb,
+ IN EFI_IPv6_ADDRESS *SourceAddress,
+ IN EFI_IPv6_ADDRESS *DestinationAddress,
+ IN EFI_IPv6_ADDRESS *TargetIp6Address,
+ IN EFI_MAC_ADDRESS *TargetLinkAddress,
+ IN BOOLEAN IsRouter,
+ IN BOOLEAN Override,
+ IN BOOLEAN Solicited
)
{
- NET_BUF *Packet;
- EFI_IP6_HEADER Head;
- IP6_ICMP_INFORMATION_HEAD *IcmpHead;
- IP6_ETHER_ADDR_OPTION *LinkLayerOption;
- EFI_IPv6_ADDRESS *Target;
- UINT16 PayloadLen;
+ NET_BUF *Packet;
+ EFI_IP6_HEADER Head;
+ IP6_ICMP_INFORMATION_HEAD *IcmpHead;
+ IP6_ETHER_ADDR_OPTION *LinkLayerOption;
+ EFI_IPv6_ADDRESS *Target;
+ UINT16 PayloadLen;
NET_CHECK_SIGNATURE (IpSb, IP6_SERVICE_SIGNATURE);
@@ -1232,13 +1232,13 @@ Ip6SendNeighborAdvertise ( //
ASSERT (DestinationAddress != NULL && TargetIp6Address != NULL && TargetLinkAddress != NULL);
- PayloadLen = (UINT16) (sizeof (IP6_ICMP_INFORMATION_HEAD) + sizeof (EFI_IPv6_ADDRESS) + sizeof (IP6_ETHER_ADDR_OPTION));
+ PayloadLen = (UINT16)(sizeof (IP6_ICMP_INFORMATION_HEAD) + sizeof (EFI_IPv6_ADDRESS) + sizeof (IP6_ETHER_ADDR_OPTION));
//
// Generate the packet to be sent
//
- Packet = NetbufAlloc (sizeof (EFI_IP6_HEADER) + (UINT32) PayloadLen);
+ Packet = NetbufAlloc (sizeof (EFI_IP6_HEADER) + (UINT32)PayloadLen);
if (Packet == NULL) {
return EFI_OUT_OF_RESOURCES;
}
@@ -1246,11 +1246,11 @@ Ip6SendNeighborAdvertise ( //
// Create the basic IPv6 header.
//
- Head.FlowLabelL = 0;
- Head.FlowLabelH = 0;
- Head.PayloadLength = HTONS (PayloadLen);
- Head.NextHeader = IP6_ICMP;
- Head.HopLimit = IP6_HOP_LIMIT;
+ Head.FlowLabelL = 0;
+ Head.FlowLabelH = 0;
+ Head.PayloadLength = HTONS (PayloadLen);
+ Head.NextHeader = IP6_ICMP;
+ Head.HopLimit = IP6_HOP_LIMIT;
IP6_COPY_ADDRESS (&Head.SourceAddress, SourceAddress);
IP6_COPY_ADDRESS (&Head.DestinationAddress, DestinationAddress);
@@ -1262,7 +1262,7 @@ Ip6SendNeighborAdvertise ( // Set the Router flag, Solicited flag and Override flag.
//
- IcmpHead = (IP6_ICMP_INFORMATION_HEAD *) NetbufAllocSpace (Packet, sizeof (IP6_ICMP_INFORMATION_HEAD), FALSE);
+ IcmpHead = (IP6_ICMP_INFORMATION_HEAD *)NetbufAllocSpace (Packet, sizeof (IP6_ICMP_INFORMATION_HEAD), FALSE);
ASSERT (IcmpHead != NULL);
ZeroMem (IcmpHead, sizeof (IP6_ICMP_INFORMATION_HEAD));
IcmpHead->Head.Type = ICMP_V6_NEIGHBOR_ADVERTISE;
@@ -1280,15 +1280,15 @@ Ip6SendNeighborAdvertise ( IcmpHead->Fourth |= IP6_OVERRIDE_FLAG;
}
- Target = (EFI_IPv6_ADDRESS *) NetbufAllocSpace (Packet, sizeof (EFI_IPv6_ADDRESS), FALSE);
+ Target = (EFI_IPv6_ADDRESS *)NetbufAllocSpace (Packet, sizeof (EFI_IPv6_ADDRESS), FALSE);
ASSERT (Target != NULL);
IP6_COPY_ADDRESS (Target, TargetIp6Address);
- LinkLayerOption = (IP6_ETHER_ADDR_OPTION *) NetbufAllocSpace (
- Packet,
- sizeof (IP6_ETHER_ADDR_OPTION),
- FALSE
- );
+ LinkLayerOption = (IP6_ETHER_ADDR_OPTION *)NetbufAllocSpace (
+ Packet,
+ sizeof (IP6_ETHER_ADDR_OPTION),
+ FALSE
+ );
ASSERT (LinkLayerOption != NULL);
LinkLayerOption->Type = Ip6OptionEtherTarget;
LinkLayerOption->Length = 1;
@@ -1320,33 +1320,33 @@ Ip6SendNeighborAdvertise ( **/
EFI_STATUS
Ip6SendNeighborSolicit (
- IN IP6_SERVICE *IpSb,
- IN EFI_IPv6_ADDRESS *SourceAddress,
- IN EFI_IPv6_ADDRESS *DestinationAddress,
- IN EFI_IPv6_ADDRESS *TargetIp6Address,
- IN EFI_MAC_ADDRESS *SourceLinkAddress OPTIONAL
+ IN IP6_SERVICE *IpSb,
+ IN EFI_IPv6_ADDRESS *SourceAddress,
+ IN EFI_IPv6_ADDRESS *DestinationAddress,
+ IN EFI_IPv6_ADDRESS *TargetIp6Address,
+ IN EFI_MAC_ADDRESS *SourceLinkAddress OPTIONAL
)
{
- NET_BUF *Packet;
- EFI_IP6_HEADER Head;
- IP6_ICMP_INFORMATION_HEAD *IcmpHead;
- IP6_ETHER_ADDR_OPTION *LinkLayerOption;
- EFI_IPv6_ADDRESS *Target;
- BOOLEAN IsDAD;
- UINT16 PayloadLen;
- IP6_NEIGHBOR_ENTRY *Neighbor;
+ NET_BUF *Packet;
+ EFI_IP6_HEADER Head;
+ IP6_ICMP_INFORMATION_HEAD *IcmpHead;
+ IP6_ETHER_ADDR_OPTION *LinkLayerOption;
+ EFI_IPv6_ADDRESS *Target;
+ BOOLEAN IsDAD;
+ UINT16 PayloadLen;
+ IP6_NEIGHBOR_ENTRY *Neighbor;
//
// Check input parameters
//
NET_CHECK_SIGNATURE (IpSb, IP6_SERVICE_SIGNATURE);
- if (DestinationAddress == NULL || TargetIp6Address == NULL) {
+ if ((DestinationAddress == NULL) || (TargetIp6Address == NULL)) {
return EFI_INVALID_PARAMETER;
}
IsDAD = FALSE;
- if (SourceAddress == NULL || (SourceAddress != NULL && NetIp6IsUnspecifiedAddr (SourceAddress))) {
+ if ((SourceAddress == NULL) || ((SourceAddress != NULL) && NetIp6IsUnspecifiedAddr (SourceAddress))) {
IsDAD = TRUE;
}
@@ -1355,21 +1355,21 @@ Ip6SendNeighborSolicit ( // if the solicitation is not sent by performing DAD - Duplicate Address Detection.
// Otherwise must not include it.
//
- PayloadLen = (UINT16) (sizeof (IP6_ICMP_INFORMATION_HEAD) + sizeof (EFI_IPv6_ADDRESS));
+ PayloadLen = (UINT16)(sizeof (IP6_ICMP_INFORMATION_HEAD) + sizeof (EFI_IPv6_ADDRESS));
if (!IsDAD) {
if (SourceLinkAddress == NULL) {
return EFI_INVALID_PARAMETER;
}
- PayloadLen = (UINT16) (PayloadLen + sizeof (IP6_ETHER_ADDR_OPTION));
+ PayloadLen = (UINT16)(PayloadLen + sizeof (IP6_ETHER_ADDR_OPTION));
}
//
// Generate the packet to be sent
//
- Packet = NetbufAlloc (sizeof (EFI_IP6_HEADER) + (UINT32) PayloadLen);
+ Packet = NetbufAlloc (sizeof (EFI_IP6_HEADER) + (UINT32)PayloadLen);
if (Packet == NULL) {
return EFI_OUT_OF_RESOURCES;
}
@@ -1377,11 +1377,11 @@ Ip6SendNeighborSolicit ( //
// Create the basic IPv6 header
//
- Head.FlowLabelL = 0;
- Head.FlowLabelH = 0;
- Head.PayloadLength = HTONS (PayloadLen);
- Head.NextHeader = IP6_ICMP;
- Head.HopLimit = IP6_HOP_LIMIT;
+ Head.FlowLabelL = 0;
+ Head.FlowLabelH = 0;
+ Head.PayloadLength = HTONS (PayloadLen);
+ Head.NextHeader = IP6_ICMP;
+ Head.HopLimit = IP6_HOP_LIMIT;
if (SourceAddress != NULL) {
IP6_COPY_ADDRESS (&Head.SourceAddress, SourceAddress);
@@ -1396,27 +1396,26 @@ Ip6SendNeighborSolicit ( //
// Fill in the ICMP header, Target address, and Source link-layer address.
//
- IcmpHead = (IP6_ICMP_INFORMATION_HEAD *) NetbufAllocSpace (Packet, sizeof (IP6_ICMP_INFORMATION_HEAD), FALSE);
+ IcmpHead = (IP6_ICMP_INFORMATION_HEAD *)NetbufAllocSpace (Packet, sizeof (IP6_ICMP_INFORMATION_HEAD), FALSE);
ASSERT (IcmpHead != NULL);
ZeroMem (IcmpHead, sizeof (IP6_ICMP_INFORMATION_HEAD));
IcmpHead->Head.Type = ICMP_V6_NEIGHBOR_SOLICIT;
IcmpHead->Head.Code = 0;
- Target = (EFI_IPv6_ADDRESS *) NetbufAllocSpace (Packet, sizeof (EFI_IPv6_ADDRESS), FALSE);
+ Target = (EFI_IPv6_ADDRESS *)NetbufAllocSpace (Packet, sizeof (EFI_IPv6_ADDRESS), FALSE);
ASSERT (Target != NULL);
IP6_COPY_ADDRESS (Target, TargetIp6Address);
LinkLayerOption = NULL;
if (!IsDAD) {
-
//
// Fill in the source link-layer address option
//
- LinkLayerOption = (IP6_ETHER_ADDR_OPTION *) NetbufAllocSpace (
- Packet,
- sizeof (IP6_ETHER_ADDR_OPTION),
- FALSE
- );
+ LinkLayerOption = (IP6_ETHER_ADDR_OPTION *)NetbufAllocSpace (
+ Packet,
+ sizeof (IP6_ETHER_ADDR_OPTION),
+ FALSE
+ );
ASSERT (LinkLayerOption != NULL);
LinkLayerOption->Type = Ip6OptionEtherSource;
LinkLayerOption->Length = 1;
@@ -1457,30 +1456,30 @@ Ip6SendNeighborSolicit ( **/
EFI_STATUS
Ip6ProcessNeighborSolicit (
- IN IP6_SERVICE *IpSb,
- IN EFI_IP6_HEADER *Head,
- IN NET_BUF *Packet
+ IN IP6_SERVICE *IpSb,
+ IN EFI_IP6_HEADER *Head,
+ IN NET_BUF *Packet
)
{
- IP6_ICMP_INFORMATION_HEAD Icmp;
- EFI_IPv6_ADDRESS Target;
- IP6_ETHER_ADDR_OPTION LinkLayerOption;
- BOOLEAN IsDAD;
- BOOLEAN IsUnicast;
- BOOLEAN IsMaintained;
- IP6_DAD_ENTRY *DupAddrDetect;
- IP6_INTERFACE *IpIf;
- IP6_NEIGHBOR_ENTRY *Neighbor;
- BOOLEAN Solicited;
- BOOLEAN UpdateCache;
- EFI_IPv6_ADDRESS Dest;
- UINT16 OptionLen;
- UINT8 *Option;
- BOOLEAN Provided;
- EFI_STATUS Status;
- VOID *MacAddress;
-
- NetbufCopy (Packet, 0, sizeof (Icmp), (UINT8 *) &Icmp);
+ IP6_ICMP_INFORMATION_HEAD Icmp;
+ EFI_IPv6_ADDRESS Target;
+ IP6_ETHER_ADDR_OPTION LinkLayerOption;
+ BOOLEAN IsDAD;
+ BOOLEAN IsUnicast;
+ BOOLEAN IsMaintained;
+ IP6_DAD_ENTRY *DupAddrDetect;
+ IP6_INTERFACE *IpIf;
+ IP6_NEIGHBOR_ENTRY *Neighbor;
+ BOOLEAN Solicited;
+ BOOLEAN UpdateCache;
+ EFI_IPv6_ADDRESS Dest;
+ UINT16 OptionLen;
+ UINT8 *Option;
+ BOOLEAN Provided;
+ EFI_STATUS Status;
+ VOID *MacAddress;
+
+ NetbufCopy (Packet, 0, sizeof (Icmp), (UINT8 *)&Icmp);
NetbufCopy (Packet, sizeof (Icmp), sizeof (Target), Target.Addr);
//
@@ -1492,7 +1491,7 @@ Ip6ProcessNeighborSolicit ( //
Status = EFI_INVALID_PARAMETER;
- if (Head->HopLimit != IP6_HOP_LIMIT || Icmp.Head.Code != 0 || !NetIp6IsValidUnicast (&Target)) {
+ if ((Head->HopLimit != IP6_HOP_LIMIT) || (Icmp.Head.Code != 0) || !NetIp6IsValidUnicast (&Target)) {
goto Exit;
}
@@ -1503,9 +1502,9 @@ Ip6ProcessNeighborSolicit ( if (Head->PayloadLength < IP6_ND_LENGTH) {
goto Exit;
} else {
- OptionLen = (UINT16) (Head->PayloadLength - IP6_ND_LENGTH);
+ OptionLen = (UINT16)(Head->PayloadLength - IP6_ND_LENGTH);
if (OptionLen != 0) {
- Option = NetbufGetByte (Packet, IP6_ND_LENGTH, NULL);
+ Option = NetbufGetByte (Packet, IP6_ND_LENGTH, NULL);
ASSERT (Option != NULL);
//
@@ -1527,7 +1526,7 @@ Ip6ProcessNeighborSolicit ( Packet,
IP6_ND_LENGTH,
sizeof (IP6_ETHER_ADDR_OPTION),
- (UINT8 *) &LinkLayerOption
+ (UINT8 *)&LinkLayerOption
);
//
// The solicitation for neighbor discovery should include a source link-layer
@@ -1591,7 +1590,8 @@ Ip6ProcessNeighborSolicit ( MacAddress,
&IpSb->SnpMode.CurrentAddress,
IpSb->SnpMode.HwAddressSize
- ) != 0) {
+ ) != 0)
+ {
//
// The NS is from another node to performing DAD on the same address.
// Fail DAD for the tentative address.
@@ -1607,6 +1607,7 @@ Ip6ProcessNeighborSolicit ( }
}
}
+
goto Exit;
}
@@ -1624,6 +1625,7 @@ Ip6ProcessNeighborSolicit ( Status = EFI_OUT_OF_RESOURCES;
goto Exit;
}
+
UpdateCache = TRUE;
} else {
if (CompareMem (Neighbor->LinkAddress.Addr, LinkLayerOption.EtherAddr, 6) != 0) {
@@ -1633,12 +1635,12 @@ Ip6ProcessNeighborSolicit ( if (UpdateCache) {
Neighbor->State = EfiNeighborStale;
- Neighbor->Ticks = (UINT32) IP6_INFINIT_LIFETIME;
+ Neighbor->Ticks = (UINT32)IP6_INFINIT_LIFETIME;
CopyMem (Neighbor->LinkAddress.Addr, LinkLayerOption.EtherAddr, 6);
//
// Send queued packets if exist.
//
- Neighbor->CallBack ((VOID *) Neighbor);
+ Neighbor->CallBack ((VOID *)Neighbor);
}
}
@@ -1686,28 +1688,28 @@ Exit: **/
EFI_STATUS
Ip6ProcessNeighborAdvertise (
- IN IP6_SERVICE *IpSb,
- IN EFI_IP6_HEADER *Head,
- IN NET_BUF *Packet
+ IN IP6_SERVICE *IpSb,
+ IN EFI_IP6_HEADER *Head,
+ IN NET_BUF *Packet
)
{
- IP6_ICMP_INFORMATION_HEAD Icmp;
- EFI_IPv6_ADDRESS Target;
- IP6_ETHER_ADDR_OPTION LinkLayerOption;
- BOOLEAN Provided;
- INTN Compare;
- IP6_NEIGHBOR_ENTRY *Neighbor;
- IP6_DEFAULT_ROUTER *DefaultRouter;
- BOOLEAN Solicited;
- BOOLEAN IsRouter;
- BOOLEAN Override;
- IP6_DAD_ENTRY *DupAddrDetect;
- IP6_INTERFACE *IpIf;
- UINT16 OptionLen;
- UINT8 *Option;
- EFI_STATUS Status;
-
- NetbufCopy (Packet, 0, sizeof (Icmp), (UINT8 *) &Icmp);
+ IP6_ICMP_INFORMATION_HEAD Icmp;
+ EFI_IPv6_ADDRESS Target;
+ IP6_ETHER_ADDR_OPTION LinkLayerOption;
+ BOOLEAN Provided;
+ INTN Compare;
+ IP6_NEIGHBOR_ENTRY *Neighbor;
+ IP6_DEFAULT_ROUTER *DefaultRouter;
+ BOOLEAN Solicited;
+ BOOLEAN IsRouter;
+ BOOLEAN Override;
+ IP6_DAD_ENTRY *DupAddrDetect;
+ IP6_INTERFACE *IpIf;
+ UINT16 OptionLen;
+ UINT8 *Option;
+ EFI_STATUS Status;
+
+ NetbufCopy (Packet, 0, sizeof (Icmp), (UINT8 *)&Icmp);
NetbufCopy (Packet, sizeof (Icmp), sizeof (Target), Target.Addr);
//
@@ -1720,7 +1722,7 @@ Ip6ProcessNeighborAdvertise ( // ICMP Code is 0.
// Target Address is not a multicast address.
//
- if (Head->HopLimit != IP6_HOP_LIMIT || Icmp.Head.Code != 0 || !NetIp6IsValidUnicast (&Target)) {
+ if ((Head->HopLimit != IP6_HOP_LIMIT) || (Icmp.Head.Code != 0) || !NetIp6IsValidUnicast (&Target)) {
goto Exit;
}
@@ -1732,9 +1734,9 @@ Ip6ProcessNeighborAdvertise ( if (Head->PayloadLength < IP6_ND_LENGTH) {
goto Exit;
} else {
- OptionLen = (UINT16) (Head->PayloadLength - IP6_ND_LENGTH);
+ OptionLen = (UINT16)(Head->PayloadLength - IP6_ND_LENGTH);
if (OptionLen != 0) {
- Option = NetbufGetByte (Packet, IP6_ND_LENGTH, NULL);
+ Option = NetbufGetByte (Packet, IP6_ND_LENGTH, NULL);
ASSERT (Option != NULL);
//
@@ -1753,6 +1755,7 @@ Ip6ProcessNeighborAdvertise ( if ((Icmp.Fourth & IP6_SOLICITED_FLAG) == IP6_SOLICITED_FLAG) {
Solicited = TRUE;
}
+
if (IP6_IS_MULTICAST (&Head->DestinationAddress) && Solicited) {
goto Exit;
}
@@ -1787,6 +1790,7 @@ Ip6ProcessNeighborAdvertise ( if ((Icmp.Fourth & IP6_IS_ROUTER_FLAG) == IP6_IS_ROUTER_FLAG) {
IsRouter = TRUE;
}
+
if ((Icmp.Fourth & IP6_OVERRIDE_FLAG) == IP6_OVERRIDE_FLAG) {
Override = TRUE;
}
@@ -1799,7 +1803,7 @@ Ip6ProcessNeighborAdvertise ( Packet,
IP6_ND_LENGTH,
sizeof (IP6_ETHER_ADDR_OPTION),
- (UINT8 *) &LinkLayerOption
+ (UINT8 *)&LinkLayerOption
);
if (LinkLayerOption.Type == Ip6OptionEtherTarget) {
@@ -1828,6 +1832,7 @@ Ip6ProcessNeighborAdvertise ( if (!Provided) {
goto Exit;
}
+
//
// Update the Neighbor Cache
//
@@ -1837,17 +1842,16 @@ Ip6ProcessNeighborAdvertise ( Neighbor->Ticks = IP6_GET_TICKS (IpSb->ReachableTime);
} else {
Neighbor->State = EfiNeighborStale;
- Neighbor->Ticks = (UINT32) IP6_INFINIT_LIFETIME;
+ Neighbor->Ticks = (UINT32)IP6_INFINIT_LIFETIME;
//
// Send any packets queued for the neighbor awaiting address resolution.
//
- Neighbor->CallBack ((VOID *) Neighbor);
+ Neighbor->CallBack ((VOID *)Neighbor);
}
Neighbor->IsRouter = IsRouter;
-
} else {
- if (!Override && Compare != 0) {
+ if (!Override && (Compare != 0)) {
//
// When the Override Flag is clear and supplied link-layer address differs from
// that in the cache, if the state of the entry is not REACHABLE, ignore the
@@ -1856,12 +1860,13 @@ Ip6ProcessNeighborAdvertise ( //
if (Neighbor->State == EfiNeighborReachable) {
Neighbor->State = EfiNeighborStale;
- Neighbor->Ticks = (UINT32) IP6_INFINIT_LIFETIME;
+ Neighbor->Ticks = (UINT32)IP6_INFINIT_LIFETIME;
}
} else {
if (Compare != 0) {
CopyMem (Neighbor->LinkAddress.Addr, LinkLayerOption.EtherAddr, 6);
}
+
//
// Update the entry's state
//
@@ -1871,7 +1876,7 @@ Ip6ProcessNeighborAdvertise ( } else {
if (Compare != 0) {
Neighbor->State = EfiNeighborStale;
- Neighbor->Ticks = (UINT32) IP6_INFINIT_LIFETIME;
+ Neighbor->Ticks = (UINT32)IP6_INFINIT_LIFETIME;
}
}
@@ -1892,7 +1897,7 @@ Ip6ProcessNeighborAdvertise ( }
if (Neighbor->State == EfiNeighborReachable) {
- Neighbor->CallBack ((VOID *) Neighbor);
+ Neighbor->CallBack ((VOID *)Neighbor);
}
Status = EFI_SUCCESS;
@@ -1918,36 +1923,36 @@ Exit: **/
EFI_STATUS
Ip6ProcessRouterAdvertise (
- IN IP6_SERVICE *IpSb,
- IN EFI_IP6_HEADER *Head,
- IN NET_BUF *Packet
+ IN IP6_SERVICE *IpSb,
+ IN EFI_IP6_HEADER *Head,
+ IN NET_BUF *Packet
)
{
- IP6_ICMP_INFORMATION_HEAD Icmp;
- UINT32 ReachableTime;
- UINT32 RetransTimer;
- UINT16 RouterLifetime;
- UINT32 Offset;
- UINT8 Type;
- UINT8 Length;
- IP6_ETHER_ADDR_OPTION LinkLayerOption;
- UINT32 Fourth;
- UINT8 CurHopLimit;
- BOOLEAN Mflag;
- BOOLEAN Oflag;
- IP6_DEFAULT_ROUTER *DefaultRouter;
- IP6_NEIGHBOR_ENTRY *NeighborCache;
- EFI_MAC_ADDRESS LinkLayerAddress;
- IP6_MTU_OPTION MTUOption;
- IP6_PREFIX_INFO_OPTION PrefixOption;
- IP6_PREFIX_LIST_ENTRY *PrefixList;
- BOOLEAN OnLink;
- BOOLEAN Autonomous;
- EFI_IPv6_ADDRESS StatelessAddress;
- EFI_STATUS Status;
- UINT16 OptionLen;
- UINT8 *Option;
- INTN Result;
+ IP6_ICMP_INFORMATION_HEAD Icmp;
+ UINT32 ReachableTime;
+ UINT32 RetransTimer;
+ UINT16 RouterLifetime;
+ UINT32 Offset;
+ UINT8 Type;
+ UINT8 Length;
+ IP6_ETHER_ADDR_OPTION LinkLayerOption;
+ UINT32 Fourth;
+ UINT8 CurHopLimit;
+ BOOLEAN Mflag;
+ BOOLEAN Oflag;
+ IP6_DEFAULT_ROUTER *DefaultRouter;
+ IP6_NEIGHBOR_ENTRY *NeighborCache;
+ EFI_MAC_ADDRESS LinkLayerAddress;
+ IP6_MTU_OPTION MTUOption;
+ IP6_PREFIX_INFO_OPTION PrefixOption;
+ IP6_PREFIX_LIST_ENTRY *PrefixList;
+ BOOLEAN OnLink;
+ BOOLEAN Autonomous;
+ EFI_IPv6_ADDRESS StatelessAddress;
+ EFI_STATUS Status;
+ UINT16 OptionLen;
+ UINT8 *Option;
+ INTN Result;
Status = EFI_INVALID_PARAMETER;
@@ -1958,7 +1963,7 @@ Ip6ProcessRouterAdvertise ( goto Exit;
}
- NetbufCopy (Packet, 0, sizeof (Icmp), (UINT8 *) &Icmp);
+ NetbufCopy (Packet, 0, sizeof (Icmp), (UINT8 *)&Icmp);
//
// Validate the incoming Router Advertisement
@@ -1970,23 +1975,25 @@ Ip6ProcessRouterAdvertise ( if (!NetIp6IsLinkLocalAddr (&Head->SourceAddress)) {
goto Exit;
}
+
//
// The IP Hop Limit field has a value of 255, i.e. the packet
// could not possibly have been forwarded by a router.
// ICMP Code is 0.
// ICMP length (derived from the IP length) is 16 or more octets.
//
- if (Head->HopLimit != IP6_HOP_LIMIT || Icmp.Head.Code != 0 ||
- Head->PayloadLength < IP6_RA_LENGTH) {
+ if ((Head->HopLimit != IP6_HOP_LIMIT) || (Icmp.Head.Code != 0) ||
+ (Head->PayloadLength < IP6_RA_LENGTH))
+ {
goto Exit;
}
//
// All included options have a length that is greater than zero.
//
- OptionLen = (UINT16) (Head->PayloadLength - IP6_RA_LENGTH);
+ OptionLen = (UINT16)(Head->PayloadLength - IP6_RA_LENGTH);
if (OptionLen != 0) {
- Option = NetbufGetByte (Packet, IP6_RA_LENGTH, NULL);
+ Option = NetbufGetByte (Packet, IP6_RA_LENGTH, NULL);
ASSERT (Option != NULL);
if (!Ip6IsNDOptionValid (Option, OptionLen)) {
@@ -2035,17 +2042,17 @@ Ip6ProcessRouterAdvertise ( }
}
- CurHopLimit = *((UINT8 *) &Fourth + 3);
+ CurHopLimit = *((UINT8 *)&Fourth + 3);
if (CurHopLimit != 0) {
IpSb->CurHopLimit = CurHopLimit;
}
Mflag = FALSE;
Oflag = FALSE;
- if ((*((UINT8 *) &Fourth + 2) & IP6_M_ADDR_CONFIG_FLAG) == IP6_M_ADDR_CONFIG_FLAG) {
+ if ((*((UINT8 *)&Fourth + 2) & IP6_M_ADDR_CONFIG_FLAG) == IP6_M_ADDR_CONFIG_FLAG) {
Mflag = TRUE;
} else {
- if ((*((UINT8 *) &Fourth + 2) & IP6_O_CONFIG_FLAG) == IP6_O_CONFIG_FLAG) {
+ if ((*((UINT8 *)&Fourth + 2) & IP6_O_CONFIG_FLAG) == IP6_O_CONFIG_FLAG) {
Oflag = TRUE;
}
}
@@ -2060,12 +2067,12 @@ Ip6ProcessRouterAdvertise ( //
// Process Reachable Time and Retrans Timer fields.
//
- NetbufCopy (Packet, sizeof (Icmp), sizeof (UINT32), (UINT8 *) &ReachableTime);
- NetbufCopy (Packet, sizeof (Icmp) + sizeof (UINT32), sizeof (UINT32), (UINT8 *) &RetransTimer);
+ NetbufCopy (Packet, sizeof (Icmp), sizeof (UINT32), (UINT8 *)&ReachableTime);
+ NetbufCopy (Packet, sizeof (Icmp) + sizeof (UINT32), sizeof (UINT32), (UINT8 *)&RetransTimer);
ReachableTime = NTOHL (ReachableTime);
RetransTimer = NTOHL (RetransTimer);
- if (ReachableTime != 0 && ReachableTime != IpSb->BaseReachableTime) {
+ if ((ReachableTime != 0) && (ReachableTime != IpSb->BaseReachableTime)) {
//
// If new value is not unspecified and differs from the previous one, record it
// in BaseReachableTime and recompute a ReachableTime.
@@ -2098,262 +2105,266 @@ Ip6ProcessRouterAdvertise ( // fit within the input packet.
//
Offset = 16;
- while (Offset < (UINT32) Head->PayloadLength) {
+ while (Offset < (UINT32)Head->PayloadLength) {
NetbufCopy (Packet, Offset, sizeof (UINT8), &Type);
switch (Type) {
- case Ip6OptionEtherSource:
- //
- // Update the neighbor cache
- //
- NetbufCopy (Packet, Offset, sizeof (IP6_ETHER_ADDR_OPTION), (UINT8 *) &LinkLayerOption);
+ case Ip6OptionEtherSource:
+ //
+ // Update the neighbor cache
+ //
+ NetbufCopy (Packet, Offset, sizeof (IP6_ETHER_ADDR_OPTION), (UINT8 *)&LinkLayerOption);
- //
- // Option size validity ensured by Ip6IsNDOptionValid().
- //
- ASSERT (LinkLayerOption.Length != 0);
- ASSERT (Offset + (UINT32) LinkLayerOption.Length * 8 <= (UINT32) Head->PayloadLength);
+ //
+ // Option size validity ensured by Ip6IsNDOptionValid().
+ //
+ ASSERT (LinkLayerOption.Length != 0);
+ ASSERT (Offset + (UINT32)LinkLayerOption.Length * 8 <= (UINT32)Head->PayloadLength);
- ZeroMem (&LinkLayerAddress, sizeof (EFI_MAC_ADDRESS));
- CopyMem (&LinkLayerAddress, LinkLayerOption.EtherAddr, 6);
+ ZeroMem (&LinkLayerAddress, sizeof (EFI_MAC_ADDRESS));
+ CopyMem (&LinkLayerAddress, LinkLayerOption.EtherAddr, 6);
- if (NeighborCache == NULL) {
- NeighborCache = Ip6CreateNeighborEntry (
- IpSb,
- Ip6OnArpResolved,
- &Head->SourceAddress,
- &LinkLayerAddress
- );
if (NeighborCache == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Exit;
+ NeighborCache = Ip6CreateNeighborEntry (
+ IpSb,
+ Ip6OnArpResolved,
+ &Head->SourceAddress,
+ &LinkLayerAddress
+ );
+ if (NeighborCache == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto Exit;
+ }
+
+ NeighborCache->IsRouter = TRUE;
+ NeighborCache->State = EfiNeighborStale;
+ NeighborCache->Ticks = (UINT32)IP6_INFINIT_LIFETIME;
+ } else {
+ Result = CompareMem (&LinkLayerAddress, &NeighborCache->LinkAddress, 6);
+
+ //
+ // If the link-local address is the same as that already in the cache,
+ // the cache entry's state remains unchanged. Otherwise update the
+ // reachability state to STALE.
+ //
+ if ((NeighborCache->State == EfiNeighborInComplete) || (Result != 0)) {
+ CopyMem (&NeighborCache->LinkAddress, &LinkLayerAddress, 6);
+
+ NeighborCache->Ticks = (UINT32)IP6_INFINIT_LIFETIME;
+
+ if (NeighborCache->State == EfiNeighborInComplete) {
+ //
+ // Send queued packets if exist.
+ //
+ NeighborCache->State = EfiNeighborStale;
+ NeighborCache->CallBack ((VOID *)NeighborCache);
+ } else {
+ NeighborCache->State = EfiNeighborStale;
+ }
+ }
}
- NeighborCache->IsRouter = TRUE;
- NeighborCache->State = EfiNeighborStale;
- NeighborCache->Ticks = (UINT32) IP6_INFINIT_LIFETIME;
- } else {
- Result = CompareMem (&LinkLayerAddress, &NeighborCache->LinkAddress, 6);
+
+ Offset += (UINT32)LinkLayerOption.Length * 8;
+ break;
+ case Ip6OptionPrefixInfo:
+ NetbufCopy (Packet, Offset, sizeof (IP6_PREFIX_INFO_OPTION), (UINT8 *)&PrefixOption);
//
- // If the link-local address is the same as that already in the cache,
- // the cache entry's state remains unchanged. Otherwise update the
- // reachability state to STALE.
+ // Option size validity ensured by Ip6IsNDOptionValid().
//
- if ((NeighborCache->State == EfiNeighborInComplete) || (Result != 0)) {
- CopyMem (&NeighborCache->LinkAddress, &LinkLayerAddress, 6);
+ ASSERT (PrefixOption.Length == 4);
+ ASSERT (Offset + (UINT32)PrefixOption.Length * 8 <= (UINT32)Head->PayloadLength);
- NeighborCache->Ticks = (UINT32) IP6_INFINIT_LIFETIME;
+ PrefixOption.ValidLifetime = NTOHL (PrefixOption.ValidLifetime);
+ PrefixOption.PreferredLifetime = NTOHL (PrefixOption.PreferredLifetime);
- if (NeighborCache->State == EfiNeighborInComplete) {
- //
- // Send queued packets if exist.
- //
- NeighborCache->State = EfiNeighborStale;
- NeighborCache->CallBack ((VOID *) NeighborCache);
- } else {
- NeighborCache->State = EfiNeighborStale;
- }
+ //
+ // Get L and A flag, recorded in the lower 2 bits of Reserved1
+ //
+ OnLink = FALSE;
+ if ((PrefixOption.Reserved1 & IP6_ON_LINK_FLAG) == IP6_ON_LINK_FLAG) {
+ OnLink = TRUE;
}
- }
-
- Offset += (UINT32) LinkLayerOption.Length * 8;
- break;
- case Ip6OptionPrefixInfo:
- NetbufCopy (Packet, Offset, sizeof (IP6_PREFIX_INFO_OPTION), (UINT8 *) &PrefixOption);
- //
- // Option size validity ensured by Ip6IsNDOptionValid().
- //
- ASSERT (PrefixOption.Length == 4);
- ASSERT (Offset + (UINT32) PrefixOption.Length * 8 <= (UINT32) Head->PayloadLength);
-
- PrefixOption.ValidLifetime = NTOHL (PrefixOption.ValidLifetime);
- PrefixOption.PreferredLifetime = NTOHL (PrefixOption.PreferredLifetime);
+ Autonomous = FALSE;
+ if ((PrefixOption.Reserved1 & IP6_AUTO_CONFIG_FLAG) == IP6_AUTO_CONFIG_FLAG) {
+ Autonomous = TRUE;
+ }
- //
- // Get L and A flag, recorded in the lower 2 bits of Reserved1
- //
- OnLink = FALSE;
- if ((PrefixOption.Reserved1 & IP6_ON_LINK_FLAG) == IP6_ON_LINK_FLAG) {
- OnLink = TRUE;
- }
- Autonomous = FALSE;
- if ((PrefixOption.Reserved1 & IP6_AUTO_CONFIG_FLAG) == IP6_AUTO_CONFIG_FLAG) {
- Autonomous = TRUE;
- }
+ //
+ // If the prefix is the link-local prefix, silently ignore the prefix option.
+ //
+ if ((PrefixOption.PrefixLength == IP6_LINK_LOCAL_PREFIX_LENGTH) &&
+ NetIp6IsLinkLocalAddr (&PrefixOption.Prefix)
+ )
+ {
+ Offset += sizeof (IP6_PREFIX_INFO_OPTION);
+ break;
+ }
- //
- // If the prefix is the link-local prefix, silently ignore the prefix option.
- //
- if (PrefixOption.PrefixLength == IP6_LINK_LOCAL_PREFIX_LENGTH &&
- NetIp6IsLinkLocalAddr (&PrefixOption.Prefix)
- ) {
- Offset += sizeof (IP6_PREFIX_INFO_OPTION);
- break;
- }
- //
- // Do following if on-link flag is set according to RFC4861.
- //
- if (OnLink) {
- PrefixList = Ip6FindPrefixListEntry (
- IpSb,
- TRUE,
- PrefixOption.PrefixLength,
- &PrefixOption.Prefix
- );
//
- // Create a new entry for the prefix, if the ValidLifetime is zero,
- // silently ignore the prefix option.
+ // Do following if on-link flag is set according to RFC4861.
//
- if (PrefixList == NULL && PrefixOption.ValidLifetime != 0) {
- PrefixList = Ip6CreatePrefixListEntry (
+ if (OnLink) {
+ PrefixList = Ip6FindPrefixListEntry (
IpSb,
TRUE,
- PrefixOption.ValidLifetime,
- PrefixOption.PreferredLifetime,
PrefixOption.PrefixLength,
&PrefixOption.Prefix
);
- if (PrefixList == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Exit;
- }
- } else if (PrefixList != NULL) {
- if (PrefixOption.ValidLifetime != 0) {
- PrefixList->ValidLifetime = PrefixOption.ValidLifetime;
- } else {
- //
- // If the prefix exists and incoming ValidLifetime is zero, immediately
- // remove the prefix.
- Ip6DestroyPrefixListEntry (IpSb, PrefixList, OnLink, TRUE);
- }
- }
- }
-
- //
- // Do following if Autonomous flag is set according to RFC4862.
- //
- if (Autonomous && PrefixOption.PreferredLifetime <= PrefixOption.ValidLifetime) {
- PrefixList = Ip6FindPrefixListEntry (
- IpSb,
- FALSE,
- PrefixOption.PrefixLength,
- &PrefixOption.Prefix
- );
- //
- // Create a new entry for the prefix, and form an address by prefix + interface id
- // If the sum of the prefix length and interface identifier length
- // does not equal 128 bits, the Prefix Information option MUST be ignored.
- //
- if (PrefixList == NULL &&
- PrefixOption.ValidLifetime != 0 &&
- PrefixOption.PrefixLength + IpSb->InterfaceIdLen * 8 == 128
- ) {
//
- // Form the address in network order.
+ // Create a new entry for the prefix, if the ValidLifetime is zero,
+ // silently ignore the prefix option.
//
- CopyMem (&StatelessAddress, &PrefixOption.Prefix, sizeof (UINT64));
- CopyMem (&StatelessAddress.Addr[8], IpSb->InterfaceId, sizeof (UINT64));
-
- //
- // If the address is not yet in the assigned address list, adds it into.
- //
- if (!Ip6IsOneOfSetAddress (IpSb, &StatelessAddress, NULL, NULL)) {
- //
- // And also not in the DAD process, check its uniqueness firstly.
- //
- if (Ip6FindDADEntry (IpSb, &StatelessAddress, NULL) == NULL) {
- Status = Ip6SetAddress (
- IpSb->DefaultInterface,
- &StatelessAddress,
- FALSE,
- PrefixOption.PrefixLength,
- PrefixOption.ValidLifetime,
- PrefixOption.PreferredLifetime,
- NULL,
- NULL
- );
- if (EFI_ERROR (Status)) {
- goto Exit;
- }
+ if ((PrefixList == NULL) && (PrefixOption.ValidLifetime != 0)) {
+ PrefixList = Ip6CreatePrefixListEntry (
+ IpSb,
+ TRUE,
+ PrefixOption.ValidLifetime,
+ PrefixOption.PreferredLifetime,
+ PrefixOption.PrefixLength,
+ &PrefixOption.Prefix
+ );
+ if (PrefixList == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto Exit;
+ }
+ } else if (PrefixList != NULL) {
+ if (PrefixOption.ValidLifetime != 0) {
+ PrefixList->ValidLifetime = PrefixOption.ValidLifetime;
+ } else {
+ //
+ // If the prefix exists and incoming ValidLifetime is zero, immediately
+ // remove the prefix.
+ Ip6DestroyPrefixListEntry (IpSb, PrefixList, OnLink, TRUE);
}
}
+ }
- //
- // Adds the prefix option to stateless prefix option list.
- //
- PrefixList = Ip6CreatePrefixListEntry (
+ //
+ // Do following if Autonomous flag is set according to RFC4862.
+ //
+ if (Autonomous && (PrefixOption.PreferredLifetime <= PrefixOption.ValidLifetime)) {
+ PrefixList = Ip6FindPrefixListEntry (
IpSb,
FALSE,
- PrefixOption.ValidLifetime,
- PrefixOption.PreferredLifetime,
PrefixOption.PrefixLength,
&PrefixOption.Prefix
);
- if (PrefixList == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Exit;
- }
- } else if (PrefixList != NULL) {
-
//
- // Reset the preferred lifetime of the address if the advertised prefix exists.
- // Perform specific action to valid lifetime together.
+ // Create a new entry for the prefix, and form an address by prefix + interface id
+ // If the sum of the prefix length and interface identifier length
+ // does not equal 128 bits, the Prefix Information option MUST be ignored.
//
- PrefixList->PreferredLifetime = PrefixOption.PreferredLifetime;
- if ((PrefixOption.ValidLifetime > 7200) ||
- (PrefixOption.ValidLifetime > PrefixList->ValidLifetime)) {
+ if ((PrefixList == NULL) &&
+ (PrefixOption.ValidLifetime != 0) &&
+ (PrefixOption.PrefixLength + IpSb->InterfaceIdLen * 8 == 128)
+ )
+ {
//
- // If the received Valid Lifetime is greater than 2 hours or
- // greater than RemainingLifetime, set the valid lifetime of the
- // corresponding address to the advertised Valid Lifetime.
+ // Form the address in network order.
//
- PrefixList->ValidLifetime = PrefixOption.ValidLifetime;
+ CopyMem (&StatelessAddress, &PrefixOption.Prefix, sizeof (UINT64));
+ CopyMem (&StatelessAddress.Addr[8], IpSb->InterfaceId, sizeof (UINT64));
- } else if (PrefixList->ValidLifetime <= 7200) {
//
- // If RemainingLifetime is less than or equals to 2 hours, ignore the
- // Prefix Information option with regards to the valid lifetime.
- // TODO: If this option has been authenticated, set the valid lifetime.
+ // If the address is not yet in the assigned address list, adds it into.
//
- } else {
+ if (!Ip6IsOneOfSetAddress (IpSb, &StatelessAddress, NULL, NULL)) {
+ //
+ // And also not in the DAD process, check its uniqueness firstly.
+ //
+ if (Ip6FindDADEntry (IpSb, &StatelessAddress, NULL) == NULL) {
+ Status = Ip6SetAddress (
+ IpSb->DefaultInterface,
+ &StatelessAddress,
+ FALSE,
+ PrefixOption.PrefixLength,
+ PrefixOption.ValidLifetime,
+ PrefixOption.PreferredLifetime,
+ NULL,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ goto Exit;
+ }
+ }
+ }
+
//
- // Otherwise, reset the valid lifetime of the corresponding
- // address to 2 hours.
+ // Adds the prefix option to stateless prefix option list.
+ //
+ PrefixList = Ip6CreatePrefixListEntry (
+ IpSb,
+ FALSE,
+ PrefixOption.ValidLifetime,
+ PrefixOption.PreferredLifetime,
+ PrefixOption.PrefixLength,
+ &PrefixOption.Prefix
+ );
+ if (PrefixList == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto Exit;
+ }
+ } else if (PrefixList != NULL) {
//
- PrefixList->ValidLifetime = 7200;
+ // Reset the preferred lifetime of the address if the advertised prefix exists.
+ // Perform specific action to valid lifetime together.
+ //
+ PrefixList->PreferredLifetime = PrefixOption.PreferredLifetime;
+ if ((PrefixOption.ValidLifetime > 7200) ||
+ (PrefixOption.ValidLifetime > PrefixList->ValidLifetime))
+ {
+ //
+ // If the received Valid Lifetime is greater than 2 hours or
+ // greater than RemainingLifetime, set the valid lifetime of the
+ // corresponding address to the advertised Valid Lifetime.
+ //
+ PrefixList->ValidLifetime = PrefixOption.ValidLifetime;
+ } else if (PrefixList->ValidLifetime <= 7200) {
+ //
+ // If RemainingLifetime is less than or equals to 2 hours, ignore the
+ // Prefix Information option with regards to the valid lifetime.
+ // TODO: If this option has been authenticated, set the valid lifetime.
+ //
+ } else {
+ //
+ // Otherwise, reset the valid lifetime of the corresponding
+ // address to 2 hours.
+ //
+ PrefixList->ValidLifetime = 7200;
+ }
}
}
- }
- Offset += sizeof (IP6_PREFIX_INFO_OPTION);
- break;
- case Ip6OptionMtu:
- NetbufCopy (Packet, Offset, sizeof (IP6_MTU_OPTION), (UINT8 *) &MTUOption);
+ Offset += sizeof (IP6_PREFIX_INFO_OPTION);
+ break;
+ case Ip6OptionMtu:
+ NetbufCopy (Packet, Offset, sizeof (IP6_MTU_OPTION), (UINT8 *)&MTUOption);
- //
- // Option size validity ensured by Ip6IsNDOptionValid().
- //
- ASSERT (MTUOption.Length == 1);
- ASSERT (Offset + (UINT32) MTUOption.Length * 8 <= (UINT32) Head->PayloadLength);
+ //
+ // Option size validity ensured by Ip6IsNDOptionValid().
+ //
+ ASSERT (MTUOption.Length == 1);
+ ASSERT (Offset + (UINT32)MTUOption.Length * 8 <= (UINT32)Head->PayloadLength);
- //
- // Use IPv6 minimum link MTU 1280 bytes as the maximum packet size in order
- // to omit implementation of Path MTU Discovery. Thus ignore the MTU option
- // in Router Advertisement.
- //
+ //
+ // Use IPv6 minimum link MTU 1280 bytes as the maximum packet size in order
+ // to omit implementation of Path MTU Discovery. Thus ignore the MTU option
+ // in Router Advertisement.
+ //
- Offset += sizeof (IP6_MTU_OPTION);
- break;
- default:
- //
- // Silently ignore unrecognized options
- //
- NetbufCopy (Packet, Offset + sizeof (UINT8), sizeof (UINT8), &Length);
+ Offset += sizeof (IP6_MTU_OPTION);
+ break;
+ default:
+ //
+ // Silently ignore unrecognized options
+ //
+ NetbufCopy (Packet, Offset + sizeof (UINT8), sizeof (UINT8), &Length);
- ASSERT (Length != 0);
+ ASSERT (Length != 0);
- Offset += (UINT32) Length * 8;
- break;
+ Offset += (UINT32)Length * 8;
+ break;
}
}
@@ -2382,31 +2393,31 @@ Exit: **/
EFI_STATUS
Ip6ProcessRedirect (
- IN IP6_SERVICE *IpSb,
- IN EFI_IP6_HEADER *Head,
- IN NET_BUF *Packet
+ IN IP6_SERVICE *IpSb,
+ IN EFI_IP6_HEADER *Head,
+ IN NET_BUF *Packet
)
{
- IP6_ICMP_INFORMATION_HEAD *Icmp;
- EFI_IPv6_ADDRESS *Target;
- EFI_IPv6_ADDRESS *IcmpDest;
- UINT8 *Option;
- UINT16 OptionLen;
- IP6_ROUTE_ENTRY *RouteEntry;
- IP6_ROUTE_CACHE_ENTRY *RouteCache;
- IP6_NEIGHBOR_ENTRY *NeighborCache;
- INT32 Length;
- UINT8 OptLen;
- IP6_ETHER_ADDR_OPTION *LinkLayerOption;
- EFI_MAC_ADDRESS Mac;
- UINT32 Index;
- BOOLEAN IsRouter;
- EFI_STATUS Status;
- INTN Result;
+ IP6_ICMP_INFORMATION_HEAD *Icmp;
+ EFI_IPv6_ADDRESS *Target;
+ EFI_IPv6_ADDRESS *IcmpDest;
+ UINT8 *Option;
+ UINT16 OptionLen;
+ IP6_ROUTE_ENTRY *RouteEntry;
+ IP6_ROUTE_CACHE_ENTRY *RouteCache;
+ IP6_NEIGHBOR_ENTRY *NeighborCache;
+ INT32 Length;
+ UINT8 OptLen;
+ IP6_ETHER_ADDR_OPTION *LinkLayerOption;
+ EFI_MAC_ADDRESS Mac;
+ UINT32 Index;
+ BOOLEAN IsRouter;
+ EFI_STATUS Status;
+ INTN Result;
Status = EFI_INVALID_PARAMETER;
- Icmp = (IP6_ICMP_INFORMATION_HEAD *) NetbufGetByte (Packet, 0, NULL);
+ Icmp = (IP6_ICMP_INFORMATION_HEAD *)NetbufGetByte (Packet, 0, NULL);
if (Icmp == NULL) {
goto Exit;
}
@@ -2421,8 +2432,9 @@ Ip6ProcessRedirect ( // ICMP Code is 0.
// ICMP length (derived from the IP length) is 40 or more octets.
//
- if (Head->HopLimit != IP6_HOP_LIMIT || Icmp->Head.Code != 0 ||
- Head->PayloadLength < IP6_REDITECT_LENGTH) {
+ if ((Head->HopLimit != IP6_HOP_LIMIT) || (Icmp->Head.Code != 0) ||
+ (Head->PayloadLength < IP6_REDITECT_LENGTH))
+ {
goto Exit;
}
@@ -2443,9 +2455,9 @@ Ip6ProcessRedirect ( //
// All included options have a length that is greater than zero.
//
- OptionLen = (UINT16) (Head->PayloadLength - IP6_REDITECT_LENGTH);
+ OptionLen = (UINT16)(Head->PayloadLength - IP6_REDITECT_LENGTH);
if (OptionLen != 0) {
- Option = NetbufGetByte (Packet, IP6_REDITECT_LENGTH, NULL);
+ Option = NetbufGetByte (Packet, IP6_REDITECT_LENGTH, NULL);
ASSERT (Option != NULL);
if (!Ip6IsNDOptionValid (Option, OptionLen)) {
@@ -2453,7 +2465,7 @@ Ip6ProcessRedirect ( }
}
- Target = (EFI_IPv6_ADDRESS *) (Icmp + 1);
+ Target = (EFI_IPv6_ADDRESS *)(Icmp + 1);
IcmpDest = Target + 1;
//
@@ -2479,32 +2491,34 @@ Ip6ProcessRedirect ( // address option.
//
Length = Packet->TotalSize - 40;
- Option = (UINT8 *) (IcmpDest + 1);
+ Option = (UINT8 *)(IcmpDest + 1);
LinkLayerOption = NULL;
while (Length > 0) {
switch (*Option) {
- case Ip6OptionEtherTarget:
+ case Ip6OptionEtherTarget:
- LinkLayerOption = (IP6_ETHER_ADDR_OPTION *) Option;
- OptLen = LinkLayerOption->Length;
- if (OptLen != 1) {
- //
- // For ethernet, the length must be 1.
- //
- goto Exit;
- }
- break;
+ LinkLayerOption = (IP6_ETHER_ADDR_OPTION *)Option;
+ OptLen = LinkLayerOption->Length;
+ if (OptLen != 1) {
+ //
+ // For ethernet, the length must be 1.
+ //
+ goto Exit;
+ }
- default:
+ break;
- OptLen = *(Option + 1);
- if (OptLen == 0) {
- //
- // A length of 0 is invalid.
- //
- goto Exit;
- }
- break;
+ default:
+
+ OptLen = *(Option + 1);
+ if (OptLen == 0) {
+ //
+ // A length of 0 is invalid.
+ //
+ goto Exit;
+ }
+
+ break;
}
Length -= 8 * OptLen;
@@ -2535,10 +2549,9 @@ Ip6ProcessRedirect ( IP6_COPY_ADDRESS (&RouteCache->NextHop, Target);
if (!IsRouter) {
- RouteEntry = (IP6_ROUTE_ENTRY *) RouteCache->Tag;
+ RouteEntry = (IP6_ROUTE_ENTRY *)RouteCache->Tag;
RouteEntry->Flag = RouteEntry->Flag | IP6_DIRECT_ROUTE;
}
-
} else {
//
// Get the Route Entry.
@@ -2563,7 +2576,7 @@ Ip6ProcessRedirect ( IcmpDest,
&Head->DestinationAddress,
Target,
- (UINTN) RouteEntry
+ (UINTN)RouteEntry
);
if (RouteCache == NULL) {
Status = EFI_OUT_OF_RESOURCES;
@@ -2600,7 +2613,7 @@ Ip6ProcessRedirect ( }
NeighborCache->State = EfiNeighborStale;
- NeighborCache->Ticks = (UINT32) IP6_INFINIT_LIFETIME;
+ NeighborCache->Ticks = (UINT32)IP6_INFINIT_LIFETIME;
} else {
Result = CompareMem (LinkLayerOption->EtherAddr, &NeighborCache->LinkAddress, 6);
@@ -2612,14 +2625,14 @@ Ip6ProcessRedirect ( if ((NeighborCache->State == EfiNeighborInComplete) || (Result != 0)) {
CopyMem (&NeighborCache->LinkAddress, LinkLayerOption->EtherAddr, 6);
- NeighborCache->Ticks = (UINT32) IP6_INFINIT_LIFETIME;
+ NeighborCache->Ticks = (UINT32)IP6_INFINIT_LIFETIME;
if (NeighborCache->State == EfiNeighborInComplete) {
//
// Send queued packets if exist.
//
NeighborCache->State = EfiNeighborStale;
- NeighborCache->CallBack ((VOID *) NeighborCache);
+ NeighborCache->CallBack ((VOID *)NeighborCache);
} else {
NeighborCache->State = EfiNeighborStale;
}
@@ -2627,7 +2640,7 @@ Ip6ProcessRedirect ( }
}
- if (NeighborCache != NULL && IsRouter) {
+ if ((NeighborCache != NULL) && IsRouter) {
//
// The Target is a router, set IsRouter to TRUE.
//
@@ -2667,14 +2680,14 @@ Exit: **/
EFI_STATUS
Ip6AddNeighbor (
- IN IP6_SERVICE *IpSb,
- IN EFI_IPv6_ADDRESS *TargetIp6Address,
- IN EFI_MAC_ADDRESS *TargetLinkAddress OPTIONAL,
- IN UINT32 Timeout,
- IN BOOLEAN Override
+ IN IP6_SERVICE *IpSb,
+ IN EFI_IPv6_ADDRESS *TargetIp6Address,
+ IN EFI_MAC_ADDRESS *TargetLinkAddress OPTIONAL,
+ IN UINT32 Timeout,
+ IN BOOLEAN Override
)
{
- IP6_NEIGHBOR_ENTRY *Neighbor;
+ IP6_NEIGHBOR_ENTRY *Neighbor;
Neighbor = Ip6FindNeighborEntry (IpSb, TargetIp6Address);
if (Neighbor != NULL) {
@@ -2702,7 +2715,7 @@ Ip6AddNeighbor ( Neighbor->Ticks = IP6_GET_TICKS (Timeout / TICKS_PER_MS);
Neighbor->Dynamic = TRUE;
} else {
- Neighbor->Ticks = (UINT32) IP6_INFINIT_LIFETIME;
+ Neighbor->Ticks = (UINT32)IP6_INFINIT_LIFETIME;
}
return EFI_SUCCESS;
@@ -2729,14 +2742,14 @@ Ip6AddNeighbor ( **/
EFI_STATUS
Ip6DelNeighbor (
- IN IP6_SERVICE *IpSb,
- IN EFI_IPv6_ADDRESS *TargetIp6Address,
- IN EFI_MAC_ADDRESS *TargetLinkAddress OPTIONAL,
- IN UINT32 Timeout,
- IN BOOLEAN Override
+ IN IP6_SERVICE *IpSb,
+ IN EFI_IPv6_ADDRESS *TargetIp6Address,
+ IN EFI_MAC_ADDRESS *TargetLinkAddress OPTIONAL,
+ IN UINT32 Timeout,
+ IN BOOLEAN Override
)
{
- IP6_NEIGHBOR_ENTRY *Neighbor;
+ IP6_NEIGHBOR_ENTRY *Neighbor;
Neighbor = Ip6FindNeighborEntry (IpSb, TargetIp6Address);
if (Neighbor == NULL) {
@@ -2761,24 +2774,24 @@ Ip6DelNeighbor ( VOID
EFIAPI
Ip6NdFasterTimerTicking (
- IN EFI_EVENT Event,
- IN VOID *Context
+ IN EFI_EVENT Event,
+ IN VOID *Context
)
{
- LIST_ENTRY *Entry;
- LIST_ENTRY *Next;
- LIST_ENTRY *Entry2;
- IP6_INTERFACE *IpIf;
- IP6_DELAY_JOIN_LIST *DelayNode;
- EFI_IPv6_ADDRESS Source;
- IP6_DAD_ENTRY *DupAddrDetect;
- EFI_STATUS Status;
- IP6_NEIGHBOR_ENTRY *NeighborCache;
- EFI_IPv6_ADDRESS Destination;
- IP6_SERVICE *IpSb;
- BOOLEAN Flag;
-
- IpSb = (IP6_SERVICE *) Context;
+ LIST_ENTRY *Entry;
+ LIST_ENTRY *Next;
+ LIST_ENTRY *Entry2;
+ IP6_INTERFACE *IpIf;
+ IP6_DELAY_JOIN_LIST *DelayNode;
+ EFI_IPv6_ADDRESS Source;
+ IP6_DAD_ENTRY *DupAddrDetect;
+ EFI_STATUS Status;
+ IP6_NEIGHBOR_ENTRY *NeighborCache;
+ EFI_IPv6_ADDRESS Destination;
+ IP6_SERVICE *IpSb;
+ BOOLEAN Flag;
+
+ IpSb = (IP6_SERVICE *)Context;
NET_CHECK_SIGNATURE (IpSb, IP6_SERVICE_SIGNATURE);
ZeroMem (&Source, sizeof (EFI_IPv6_ADDRESS));
@@ -2790,13 +2803,14 @@ Ip6NdFasterTimerTicking ( //
if ((IpSb->Ip6ConfigInstance.Policy == Ip6ConfigPolicyAutomatic) &&
!IpSb->RouterAdvertiseReceived &&
- IpSb->SolicitTimer > 0
- ) {
+ (IpSb->SolicitTimer > 0)
+ )
+ {
if ((IpSb->Ticks == 0) || (--IpSb->Ticks == 0)) {
Status = Ip6SendRouterSolicit (IpSb, NULL, NULL, NULL, NULL);
if (!EFI_ERROR (Status)) {
IpSb->SolicitTimer--;
- IpSb->Ticks = (UINT32) IP6_GET_TICKS (IP6_RTR_SOLICITATION_INTERVAL);
+ IpSb->Ticks = (UINT32)IP6_GET_TICKS (IP6_RTR_SOLICITATION_INTERVAL);
}
}
}
@@ -2864,7 +2878,8 @@ Ip6NdFasterTimerTicking ( //
Flag = FALSE;
if ((DupAddrDetect->Receive == 0) ||
- (DupAddrDetect->Transmit <= DupAddrDetect->Receive)) {
+ (DupAddrDetect->Transmit <= DupAddrDetect->Receive))
+ {
Flag = TRUE;
}
@@ -2881,149 +2896,111 @@ Ip6NdFasterTimerTicking ( NeighborCache = NET_LIST_USER_STRUCT (Entry, IP6_NEIGHBOR_ENTRY, Link);
switch (NeighborCache->State) {
- case EfiNeighborInComplete:
- if (NeighborCache->Ticks > 0) {
- --NeighborCache->Ticks;
- }
-
- //
- // Retransmit Neighbor Solicitation messages approximately every
- // RetransTimer milliseconds while awaiting a response.
- //
- if (NeighborCache->Ticks == 0) {
- if (NeighborCache->Transmit > 1) {
- //
- // Send out multicast neighbor solicitation for address resolution.
- // After last neighbor solicitation message has been sent out, wait
- // for RetransTimer and then remove entry if no response is received.
- //
- Ip6CreateSNMulticastAddr (&NeighborCache->Neighbor, &Destination);
- Status = Ip6SelectSourceAddress (IpSb, &NeighborCache->Neighbor, &Source);
- if (EFI_ERROR (Status)) {
- return;
- }
-
- Status = Ip6SendNeighborSolicit (
- IpSb,
- &Source,
- &Destination,
- &NeighborCache->Neighbor,
- &IpSb->SnpMode.CurrentAddress
- );
- if (EFI_ERROR (Status)) {
- return;
- }
+ case EfiNeighborInComplete:
+ if (NeighborCache->Ticks > 0) {
+ --NeighborCache->Ticks;
}
//
- // Update the retransmit times.
+ // Retransmit Neighbor Solicitation messages approximately every
+ // RetransTimer milliseconds while awaiting a response.
//
- if (NeighborCache->Transmit > 0) {
- --NeighborCache->Transmit;
- NeighborCache->Ticks = IP6_GET_TICKS (IpSb->RetransTimer);
- }
- }
-
- if (NeighborCache->Transmit == 0) {
- //
- // Timeout, send ICMP destination unreachable packet and then remove entry
- //
- Status = Ip6FreeNeighborEntry (
- IpSb,
- NeighborCache,
- TRUE,
- TRUE,
- EFI_ICMP_ERROR,
- NULL,
- NULL
- );
- if (EFI_ERROR (Status)) {
- return;
- }
- }
+ if (NeighborCache->Ticks == 0) {
+ if (NeighborCache->Transmit > 1) {
+ //
+ // Send out multicast neighbor solicitation for address resolution.
+ // After last neighbor solicitation message has been sent out, wait
+ // for RetransTimer and then remove entry if no response is received.
+ //
+ Ip6CreateSNMulticastAddr (&NeighborCache->Neighbor, &Destination);
+ Status = Ip6SelectSourceAddress (IpSb, &NeighborCache->Neighbor, &Source);
+ if (EFI_ERROR (Status)) {
+ return;
+ }
- break;
+ Status = Ip6SendNeighborSolicit (
+ IpSb,
+ &Source,
+ &Destination,
+ &NeighborCache->Neighbor,
+ &IpSb->SnpMode.CurrentAddress
+ );
+ if (EFI_ERROR (Status)) {
+ return;
+ }
+ }
- case EfiNeighborReachable:
- //
- // This entry is inserted by EfiIp6Neighbors() as static entry
- // and will not timeout.
- //
- if (!NeighborCache->Dynamic && (NeighborCache->Ticks == IP6_INFINIT_LIFETIME)) {
- break;
- }
+ //
+ // Update the retransmit times.
+ //
+ if (NeighborCache->Transmit > 0) {
+ --NeighborCache->Transmit;
+ NeighborCache->Ticks = IP6_GET_TICKS (IpSb->RetransTimer);
+ }
+ }
- if ((NeighborCache->Ticks == 0) || (--NeighborCache->Ticks == 0)) {
- if (NeighborCache->Dynamic) {
+ if (NeighborCache->Transmit == 0) {
//
- // This entry is inserted by EfiIp6Neighbors() as dynamic entry
- // and will be deleted after timeout.
+ // Timeout, send ICMP destination unreachable packet and then remove entry
//
Status = Ip6FreeNeighborEntry (
IpSb,
NeighborCache,
- FALSE,
TRUE,
- EFI_TIMEOUT,
+ TRUE,
+ EFI_ICMP_ERROR,
NULL,
NULL
);
if (EFI_ERROR (Status)) {
return;
}
- } else {
- NeighborCache->State = EfiNeighborStale;
- NeighborCache->Ticks = (UINT32) IP6_INFINIT_LIFETIME;
}
- }
- break;
-
- case EfiNeighborDelay:
- if ((NeighborCache->Ticks == 0) || (--NeighborCache->Ticks == 0)) {
+ break;
- NeighborCache->State = EfiNeighborProbe;
- NeighborCache->Ticks = IP6_GET_TICKS (IpSb->RetransTimer);
- NeighborCache->Transmit = IP6_MAX_UNICAST_SOLICIT + 1;
+ case EfiNeighborReachable:
//
- // Send out unicast neighbor solicitation for Neighbor Unreachability Detection
+ // This entry is inserted by EfiIp6Neighbors() as static entry
+ // and will not timeout.
//
- Status = Ip6SelectSourceAddress (IpSb, &NeighborCache->Neighbor, &Source);
- if (EFI_ERROR (Status)) {
- return;
+ if (!NeighborCache->Dynamic && (NeighborCache->Ticks == IP6_INFINIT_LIFETIME)) {
+ break;
}
- Status = Ip6SendNeighborSolicit (
- IpSb,
- &Source,
- &NeighborCache->Neighbor,
- &NeighborCache->Neighbor,
- &IpSb->SnpMode.CurrentAddress
- );
- if (EFI_ERROR (Status)) {
- return;
+ if ((NeighborCache->Ticks == 0) || (--NeighborCache->Ticks == 0)) {
+ if (NeighborCache->Dynamic) {
+ //
+ // This entry is inserted by EfiIp6Neighbors() as dynamic entry
+ // and will be deleted after timeout.
+ //
+ Status = Ip6FreeNeighborEntry (
+ IpSb,
+ NeighborCache,
+ FALSE,
+ TRUE,
+ EFI_TIMEOUT,
+ NULL,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ return;
+ }
+ } else {
+ NeighborCache->State = EfiNeighborStale;
+ NeighborCache->Ticks = (UINT32)IP6_INFINIT_LIFETIME;
+ }
}
- NeighborCache->Transmit--;
- }
-
- break;
-
- case EfiNeighborProbe:
- if (NeighborCache->Ticks > 0) {
- --NeighborCache->Ticks;
- }
+ break;
- //
- // Retransmit Neighbor Solicitation messages approximately every
- // RetransTimer milliseconds while awaiting a response.
- //
- if (NeighborCache->Ticks == 0) {
- if (NeighborCache->Transmit > 1) {
+ case EfiNeighborDelay:
+ if ((NeighborCache->Ticks == 0) || (--NeighborCache->Ticks == 0)) {
+ NeighborCache->State = EfiNeighborProbe;
+ NeighborCache->Ticks = IP6_GET_TICKS (IpSb->RetransTimer);
+ NeighborCache->Transmit = IP6_MAX_UNICAST_SOLICIT + 1;
//
- // Send out unicast neighbor solicitation for Neighbor Unreachability
- // Detection. After last neighbor solicitation message has been sent out,
- // wait for RetransTimer and then remove entry if no response is received.
+ // Send out unicast neighbor solicitation for Neighbor Unreachability Detection
//
Status = Ip6SelectSourceAddress (IpSb, &NeighborCache->Neighbor, &Source);
if (EFI_ERROR (Status)) {
@@ -3040,39 +3017,76 @@ Ip6NdFasterTimerTicking ( if (EFI_ERROR (Status)) {
return;
}
+
+ NeighborCache->Transmit--;
}
- //
- // Update the retransmit times.
- //
- if (NeighborCache->Transmit > 0) {
- --NeighborCache->Transmit;
- NeighborCache->Ticks = IP6_GET_TICKS (IpSb->RetransTimer);
+ break;
+
+ case EfiNeighborProbe:
+ if (NeighborCache->Ticks > 0) {
+ --NeighborCache->Ticks;
}
- }
- if (NeighborCache->Transmit == 0) {
//
- // Delete the neighbor entry.
+ // Retransmit Neighbor Solicitation messages approximately every
+ // RetransTimer milliseconds while awaiting a response.
//
- Status = Ip6FreeNeighborEntry (
- IpSb,
- NeighborCache,
- FALSE,
- TRUE,
- EFI_TIMEOUT,
- NULL,
- NULL
- );
- if (EFI_ERROR (Status)) {
- return;
+ if (NeighborCache->Ticks == 0) {
+ if (NeighborCache->Transmit > 1) {
+ //
+ // Send out unicast neighbor solicitation for Neighbor Unreachability
+ // Detection. After last neighbor solicitation message has been sent out,
+ // wait for RetransTimer and then remove entry if no response is received.
+ //
+ Status = Ip6SelectSourceAddress (IpSb, &NeighborCache->Neighbor, &Source);
+ if (EFI_ERROR (Status)) {
+ return;
+ }
+
+ Status = Ip6SendNeighborSolicit (
+ IpSb,
+ &Source,
+ &NeighborCache->Neighbor,
+ &NeighborCache->Neighbor,
+ &IpSb->SnpMode.CurrentAddress
+ );
+ if (EFI_ERROR (Status)) {
+ return;
+ }
+ }
+
+ //
+ // Update the retransmit times.
+ //
+ if (NeighborCache->Transmit > 0) {
+ --NeighborCache->Transmit;
+ NeighborCache->Ticks = IP6_GET_TICKS (IpSb->RetransTimer);
+ }
}
- }
- break;
+ if (NeighborCache->Transmit == 0) {
+ //
+ // Delete the neighbor entry.
+ //
+ Status = Ip6FreeNeighborEntry (
+ IpSb,
+ NeighborCache,
+ FALSE,
+ TRUE,
+ EFI_TIMEOUT,
+ NULL,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ return;
+ }
+ }
- default:
- break;
+ break;
+
+ default:
+ break;
}
}
}
@@ -3087,15 +3101,15 @@ Ip6NdFasterTimerTicking ( **/
VOID
Ip6NdTimerTicking (
- IN IP6_SERVICE *IpSb
+ IN IP6_SERVICE *IpSb
)
{
- LIST_ENTRY *Entry;
- LIST_ENTRY *Next;
- IP6_DEFAULT_ROUTER *DefaultRouter;
- IP6_PREFIX_LIST_ENTRY *PrefixOption;
- UINT8 Index;
- IP6_ROUTE_CACHE_ENTRY *RouteCache;
+ LIST_ENTRY *Entry;
+ LIST_ENTRY *Next;
+ IP6_DEFAULT_ROUTER *DefaultRouter;
+ IP6_PREFIX_LIST_ENTRY *PrefixOption;
+ UINT8 Index;
+ IP6_ROUTE_CACHE_ENTRY *RouteCache;
//
// Decrease the lifetime of default router, if expires remove it from default router list.
@@ -3114,11 +3128,12 @@ Ip6NdTimerTicking ( //
NET_LIST_FOR_EACH_SAFE (Entry, Next, &IpSb->AutonomousPrefix) {
PrefixOption = NET_LIST_USER_STRUCT (Entry, IP6_PREFIX_LIST_ENTRY, Link);
- if (PrefixOption->ValidLifetime != (UINT32) IP6_INFINIT_LIFETIME) {
+ if (PrefixOption->ValidLifetime != (UINT32)IP6_INFINIT_LIFETIME) {
if ((PrefixOption->ValidLifetime > 0) && (--PrefixOption->ValidLifetime > 0)) {
- if ((PrefixOption->PreferredLifetime != (UINT32) IP6_INFINIT_LIFETIME) &&
+ if ((PrefixOption->PreferredLifetime != (UINT32)IP6_INFINIT_LIFETIME) &&
(PrefixOption->PreferredLifetime > 0)
- ) {
+ )
+ {
--PrefixOption->PreferredLifetime;
}
} else {
@@ -3129,7 +3144,7 @@ Ip6NdTimerTicking ( NET_LIST_FOR_EACH_SAFE (Entry, Next, &IpSb->OnlinkPrefix) {
PrefixOption = NET_LIST_USER_STRUCT (Entry, IP6_PREFIX_LIST_ENTRY, Link);
- if (PrefixOption->ValidLifetime != (UINT32) IP6_INFINIT_LIFETIME) {
+ if (PrefixOption->ValidLifetime != (UINT32)IP6_INFINIT_LIFETIME) {
if ((PrefixOption->ValidLifetime == 0) || (--PrefixOption->ValidLifetime == 0)) {
Ip6DestroyPrefixListEntry (IpSb, PrefixOption, TRUE, TRUE);
}
@@ -3156,4 +3171,3 @@ Ip6NdTimerTicking ( }
}
}
-
|