diff options
Diffstat (limited to 'NetworkPkg/HttpBootDxe/HttpBootDhcp4.c')
| -rw-r--r-- | NetworkPkg/HttpBootDxe/HttpBootDhcp4.c | 360 |
1 files changed, 173 insertions, 187 deletions
diff --git a/NetworkPkg/HttpBootDxe/HttpBootDhcp4.c b/NetworkPkg/HttpBootDxe/HttpBootDhcp4.c index 1da05dbf0e..6931a14827 100644 --- a/NetworkPkg/HttpBootDxe/HttpBootDhcp4.c +++ b/NetworkPkg/HttpBootDxe/HttpBootDhcp4.c @@ -11,7 +11,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent //
// This is a map from the interested DHCP4 option tags' index to the tag value.
//
-UINT8 mInterestedDhcp4Tags[HTTP_BOOT_DHCP4_TAG_INDEX_MAX] = {
+UINT8 mInterestedDhcp4Tags[HTTP_BOOT_DHCP4_TAG_INDEX_MAX] = {
DHCP4_TAG_BOOTFILE_LEN,
DHCP4_TAG_OVERLOAD,
DHCP4_TAG_MSG_TYPE,
@@ -24,7 +24,7 @@ UINT8 mInterestedDhcp4Tags[HTTP_BOOT_DHCP4_TAG_INDEX_MAX] = { //
// There are 4 times retries with the value of 4, 8, 16 and 32, refers to UEFI 2.5 spec.
//
-UINT32 mHttpDhcpTimeout[4] = {4, 8, 16, 32};
+UINT32 mHttpDhcpTimeout[4] = { 4, 8, 16, 32 };
/**
Build the options buffer for the DHCPv4 request packet.
@@ -38,9 +38,9 @@ UINT32 mHttpDhcpTimeout[4] = {4, 8, 16, 32}; **/
UINT32
HttpBootBuildDhcp4Options (
- IN HTTP_BOOT_PRIVATE_DATA *Private,
- OUT EFI_DHCP4_PACKET_OPTION **OptList,
- IN UINT8 *Buffer
+ IN HTTP_BOOT_PRIVATE_DATA *Private,
+ OUT EFI_DHCP4_PACKET_OPTION **OptList,
+ IN UINT8 *Buffer
)
{
HTTP_BOOT_DHCP4_OPTION_ENTRY OptEnt;
@@ -48,14 +48,14 @@ HttpBootBuildDhcp4Options ( UINT32 Index;
Index = 0;
- OptList[0] = (EFI_DHCP4_PACKET_OPTION *) Buffer;
+ OptList[0] = (EFI_DHCP4_PACKET_OPTION *)Buffer;
//
// Append parameter request list option.
//
OptList[Index]->OpCode = DHCP4_TAG_PARA_LIST;
OptList[Index]->Length = 27;
- OptEnt.Para = (HTTP_BOOT_DHCP4_OPTION_PARA *) OptList[Index]->Data;
+ OptEnt.Para = (HTTP_BOOT_DHCP4_OPTION_PARA *)OptList[Index]->Data;
OptEnt.Para->ParaList[0] = DHCP4_TAG_NETMASK;
OptEnt.Para->ParaList[1] = DHCP4_TAG_TIME_OFFSET;
OptEnt.Para->ParaList[2] = DHCP4_TAG_ROUTER;
@@ -83,30 +83,31 @@ HttpBootBuildDhcp4Options ( OptEnt.Para->ParaList[25] = DHCP4_TAG_BOOTFILE;
OptEnt.Para->ParaList[26] = DHCP4_TAG_UUID;
Index++;
- OptList[Index] = GET_NEXT_DHCP_OPTION (OptList[Index - 1]);
+ OptList[Index] = GET_NEXT_DHCP_OPTION (OptList[Index - 1]);
//
// Append UUID/Guid-based client identifier option
//
- OptList[Index]->OpCode = DHCP4_TAG_UUID;
- OptList[Index]->Length = (UINT8) sizeof (HTTP_BOOT_DHCP4_OPTION_UUID);
- OptEnt.Uuid = (HTTP_BOOT_DHCP4_OPTION_UUID *) OptList[Index]->Data;
- OptEnt.Uuid->Type = 0;
- if (EFI_ERROR (NetLibGetSystemGuid ((EFI_GUID *) OptEnt.Uuid->Guid))) {
+ OptList[Index]->OpCode = DHCP4_TAG_UUID;
+ OptList[Index]->Length = (UINT8)sizeof (HTTP_BOOT_DHCP4_OPTION_UUID);
+ OptEnt.Uuid = (HTTP_BOOT_DHCP4_OPTION_UUID *)OptList[Index]->Data;
+ OptEnt.Uuid->Type = 0;
+ if (EFI_ERROR (NetLibGetSystemGuid ((EFI_GUID *)OptEnt.Uuid->Guid))) {
//
// Zero the Guid to indicate NOT programmable if failed to get system Guid.
//
ZeroMem (OptEnt.Uuid->Guid, sizeof (EFI_GUID));
}
+
Index++;
- OptList[Index] = GET_NEXT_DHCP_OPTION (OptList[Index - 1]);
+ OptList[Index] = GET_NEXT_DHCP_OPTION (OptList[Index - 1]);
//
// Append client network device interface option
//
- OptList[Index]->OpCode = DHCP4_TAG_UNDI;
- OptList[Index]->Length = (UINT8) sizeof (HTTP_BOOT_DHCP4_OPTION_UNDI);
- OptEnt.Undi = (HTTP_BOOT_DHCP4_OPTION_UNDI *) OptList[Index]->Data;
+ OptList[Index]->OpCode = DHCP4_TAG_UNDI;
+ OptList[Index]->Length = (UINT8)sizeof (HTTP_BOOT_DHCP4_OPTION_UNDI);
+ OptEnt.Undi = (HTTP_BOOT_DHCP4_OPTION_UNDI *)OptList[Index]->Data;
if (Private->Nii != NULL) {
OptEnt.Undi->Type = Private->Nii->Type;
@@ -124,20 +125,20 @@ HttpBootBuildDhcp4Options ( //
// Append client system architecture option
//
- OptList[Index]->OpCode = DHCP4_TAG_ARCH;
- OptList[Index]->Length = (UINT8) sizeof (HTTP_BOOT_DHCP4_OPTION_ARCH);
- OptEnt.Arch = (HTTP_BOOT_DHCP4_OPTION_ARCH *) OptList[Index]->Data;
- Value = HTONS (EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE);
+ OptList[Index]->OpCode = DHCP4_TAG_ARCH;
+ OptList[Index]->Length = (UINT8)sizeof (HTTP_BOOT_DHCP4_OPTION_ARCH);
+ OptEnt.Arch = (HTTP_BOOT_DHCP4_OPTION_ARCH *)OptList[Index]->Data;
+ Value = HTONS (EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE);
CopyMem (&OptEnt.Arch->Type, &Value, sizeof (UINT16));
Index++;
- OptList[Index] = GET_NEXT_DHCP_OPTION (OptList[Index - 1]);
+ OptList[Index] = GET_NEXT_DHCP_OPTION (OptList[Index - 1]);
//
// Append vendor class identify option
//
- OptList[Index]->OpCode = DHCP4_TAG_VENDOR_CLASS_ID;
- OptList[Index]->Length = (UINT8) sizeof (HTTP_BOOT_DHCP4_OPTION_CLID);
- OptEnt.Clid = (HTTP_BOOT_DHCP4_OPTION_CLID *) OptList[Index]->Data;
+ OptList[Index]->OpCode = DHCP4_TAG_VENDOR_CLASS_ID;
+ OptList[Index]->Length = (UINT8)sizeof (HTTP_BOOT_DHCP4_OPTION_CLID);
+ OptEnt.Clid = (HTTP_BOOT_DHCP4_OPTION_CLID *)OptList[Index]->Data;
CopyMem (
OptEnt.Clid,
DEFAULT_CLASS_ID_DATA,
@@ -173,19 +174,18 @@ HttpBootBuildDhcp4Options ( **/
EFI_DHCP4_PACKET_OPTION *
HttpBootParseDhcp4Options (
- IN UINT8 *Buffer,
- IN UINT32 Length,
- IN UINT8 OptTag
+ IN UINT8 *Buffer,
+ IN UINT32 Length,
+ IN UINT8 OptTag
)
{
- EFI_DHCP4_PACKET_OPTION *Option;
- UINT32 Offset;
+ EFI_DHCP4_PACKET_OPTION *Option;
+ UINT32 Offset;
- Option = (EFI_DHCP4_PACKET_OPTION *) Buffer;
- Offset = 0;
+ Option = (EFI_DHCP4_PACKET_OPTION *)Buffer;
+ Offset = 0;
while (Offset < Length && Option->OpCode != DHCP4_TAG_EOP) {
-
if (Option->OpCode == OptTag) {
//
// Found the required option.
@@ -202,7 +202,7 @@ HttpBootParseDhcp4Options ( Offset += Option->Length + 2;
}
- Option = (EFI_DHCP4_PACKET_OPTION *) (Buffer + Offset);
+ Option = (EFI_DHCP4_PACKET_OPTION *)(Buffer + Offset);
}
return NULL;
@@ -220,8 +220,8 @@ HttpBootParseDhcp4Options ( **/
EFI_STATUS
HttpBootCacheDhcp4Packet (
- IN EFI_DHCP4_PACKET *Dst,
- IN EFI_DHCP4_PACKET *Src
+ IN EFI_DHCP4_PACKET *Dst,
+ IN EFI_DHCP4_PACKET *Src
)
{
if (Dst->Size < Src->Length) {
@@ -245,27 +245,27 @@ HttpBootCacheDhcp4Packet ( **/
EFI_STATUS
HttpBootParseDhcp4Packet (
- IN HTTP_BOOT_DHCP4_PACKET_CACHE *Cache4
+ IN HTTP_BOOT_DHCP4_PACKET_CACHE *Cache4
)
{
- EFI_DHCP4_PACKET *Offer;
- EFI_DHCP4_PACKET_OPTION **Options;
- UINTN Index;
- EFI_DHCP4_PACKET_OPTION *Option;
- BOOLEAN IsProxyOffer;
- BOOLEAN IsHttpOffer;
- BOOLEAN IsDnsOffer;
- BOOLEAN IpExpressedUri;
- UINT8 *Ptr8;
- EFI_STATUS Status;
- HTTP_BOOT_OFFER_TYPE OfferType;
- EFI_IPv4_ADDRESS IpAddr;
- BOOLEAN FileFieldOverloaded;
-
- IsDnsOffer = FALSE;
- IpExpressedUri = FALSE;
- IsProxyOffer = FALSE;
- IsHttpOffer = FALSE;
+ EFI_DHCP4_PACKET *Offer;
+ EFI_DHCP4_PACKET_OPTION **Options;
+ UINTN Index;
+ EFI_DHCP4_PACKET_OPTION *Option;
+ BOOLEAN IsProxyOffer;
+ BOOLEAN IsHttpOffer;
+ BOOLEAN IsDnsOffer;
+ BOOLEAN IpExpressedUri;
+ UINT8 *Ptr8;
+ EFI_STATUS Status;
+ HTTP_BOOT_OFFER_TYPE OfferType;
+ EFI_IPv4_ADDRESS IpAddr;
+ BOOLEAN FileFieldOverloaded;
+
+ IsDnsOffer = FALSE;
+ IpExpressedUri = FALSE;
+ IsProxyOffer = FALSE;
+ IsHttpOffer = FALSE;
FileFieldOverloaded = FALSE;
ZeroMem (Cache4->OptList, sizeof (Cache4->OptList));
@@ -284,6 +284,7 @@ HttpBootParseDhcp4Packet ( mInterestedDhcp4Tags[Index]
);
}
+
//
// Second, Check if bootfilename and serverhostname is overloaded to carry DHCP options refers to rfc-2132.
// If yes, try to parse options from the BootFileName field, then ServerName field.
@@ -295,18 +296,19 @@ HttpBootParseDhcp4Packet ( for (Index = 0; Index < HTTP_BOOT_DHCP4_TAG_INDEX_MAX; Index++) {
if (Options[Index] == NULL) {
Options[Index] = HttpBootParseDhcp4Options (
- (UINT8 *) Offer->Dhcp4.Header.BootFileName,
+ (UINT8 *)Offer->Dhcp4.Header.BootFileName,
sizeof (Offer->Dhcp4.Header.BootFileName),
mInterestedDhcp4Tags[Index]
);
}
}
}
+
if ((Option->Data[0] & HTTP_BOOT_DHCP4_OVERLOAD_SERVER_NAME) != 0) {
for (Index = 0; Index < HTTP_BOOT_DHCP4_TAG_INDEX_MAX; Index++) {
if (Options[Index] == NULL) {
Options[Index] = HttpBootParseDhcp4Options (
- (UINT8 *) Offer->Dhcp4.Header.ServerName,
+ (UINT8 *)Offer->Dhcp4.Header.ServerName,
sizeof (Offer->Dhcp4.Header.ServerName),
mInterestedDhcp4Tags[Index]
);
@@ -327,7 +329,8 @@ HttpBootParseDhcp4Packet ( //
Option = Options[HTTP_BOOT_DHCP4_TAG_INDEX_CLASS_ID];
if ((Option != NULL) && (Option->Length >= 10) &&
- (CompareMem (Option->Data, DEFAULT_CLASS_ID_DATA, 10) == 0)) {
+ (CompareMem (Option->Data, DEFAULT_CLASS_ID_DATA, 10) == 0))
+ {
IsHttpOffer = TRUE;
}
@@ -350,25 +353,25 @@ HttpBootParseDhcp4Packet ( // RFC 2132, Section 9.5 does not strictly state Bootfile name (option 67) is null
// terminated string. So force to append null terminated character at the end of string.
//
- Ptr8 = (UINT8*)&Options[HTTP_BOOT_DHCP4_TAG_INDEX_BOOTFILE]->Data[0];
+ Ptr8 = (UINT8 *)&Options[HTTP_BOOT_DHCP4_TAG_INDEX_BOOTFILE]->Data[0];
Ptr8 += Options[HTTP_BOOT_DHCP4_TAG_INDEX_BOOTFILE]->Length;
if (*(Ptr8 - 1) != '\0') {
*Ptr8 = '\0';
}
- } else if (!FileFieldOverloaded && Offer->Dhcp4.Header.BootFileName[0] != 0) {
+ } else if (!FileFieldOverloaded && (Offer->Dhcp4.Header.BootFileName[0] != 0)) {
//
// If the bootfile is not present and bootfilename is present in DHCPv4 packet, just parse it.
// Do not count dhcp option header here, or else will destroy the serverhostname.
//
Options[HTTP_BOOT_DHCP4_TAG_INDEX_BOOTFILE] = (EFI_DHCP4_PACKET_OPTION *)
- (&Offer->Dhcp4.Header.BootFileName[0] -
- OFFSET_OF (EFI_DHCP4_PACKET_OPTION, Data[0]));
+ (&Offer->Dhcp4.Header.BootFileName[0] -
+ OFFSET_OF (EFI_DHCP4_PACKET_OPTION, Data[0]));
}
//
// Http offer must have a boot URI.
//
- if (IsHttpOffer && Options[HTTP_BOOT_DHCP4_TAG_INDEX_BOOTFILE] == NULL) {
+ if (IsHttpOffer && (Options[HTTP_BOOT_DHCP4_TAG_INDEX_BOOTFILE] == NULL)) {
return EFI_DEVICE_ERROR;
}
@@ -377,8 +380,8 @@ HttpBootParseDhcp4Packet ( //
if (IsHttpOffer) {
Status = HttpParseUrl (
- (CHAR8*) Options[HTTP_BOOT_DHCP4_TAG_INDEX_BOOTFILE]->Data,
- (UINT32) AsciiStrLen ((CHAR8*) Options[HTTP_BOOT_DHCP4_TAG_INDEX_BOOTFILE]->Data),
+ (CHAR8 *)Options[HTTP_BOOT_DHCP4_TAG_INDEX_BOOTFILE]->Data,
+ (UINT32)AsciiStrLen ((CHAR8 *)Options[HTTP_BOOT_DHCP4_TAG_INDEX_BOOTFILE]->Data),
FALSE,
&Cache4->UriParser
);
@@ -387,7 +390,7 @@ HttpBootParseDhcp4Packet ( }
Status = HttpUrlGetIp4 (
- (CHAR8*) Options[HTTP_BOOT_DHCP4_TAG_INDEX_BOOTFILE]->Data,
+ (CHAR8 *)Options[HTTP_BOOT_DHCP4_TAG_INDEX_BOOTFILE]->Data,
Cache4->UriParser,
&IpAddr
);
@@ -411,7 +414,6 @@ HttpBootParseDhcp4Packet ( OfferType = HttpOfferTypeProxyNameUri;
}
}
-
} else {
if (!IsProxyOffer) {
OfferType = IsDnsOffer ? HttpOfferTypeDhcpDns : HttpOfferTypeDhcpOnly;
@@ -419,6 +421,7 @@ HttpBootParseDhcp4Packet ( if (Cache4->UriParser != NULL) {
FreePool (Cache4->UriParser);
}
+
return EFI_DEVICE_ERROR;
}
}
@@ -490,7 +493,7 @@ HttpBootSelectDhcpOffer ( IN HTTP_BOOT_PRIVATE_DATA *Private
)
{
- Private->SelectIndex = 0;
+ Private->SelectIndex = 0;
Private->SelectProxyType = HttpOfferTypeMax;
if (Private->FilePathUri != NULL) {
@@ -500,26 +503,16 @@ HttpBootSelectDhcpOffer ( // The offer with DNS server address takes priority here.
//
if (Private->OfferCount[HttpOfferTypeDhcpDns] > 0) {
-
Private->SelectIndex = Private->OfferIndex[HttpOfferTypeDhcpDns][0] + 1;
-
} else if (Private->OfferCount[HttpOfferTypeDhcpIpUriDns] > 0) {
-
Private->SelectIndex = Private->OfferIndex[HttpOfferTypeDhcpIpUriDns][0] + 1;
-
} else if (Private->OfferCount[HttpOfferTypeDhcpNameUriDns] > 0) {
-
Private->SelectIndex = Private->OfferIndex[HttpOfferTypeDhcpNameUriDns][0] + 1;
-
- } else if (Private->OfferCount[HttpOfferTypeDhcpOnly] > 0) {
-
+ } else if (Private->OfferCount[HttpOfferTypeDhcpOnly] > 0) {
Private->SelectIndex = Private->OfferIndex[HttpOfferTypeDhcpOnly][0] + 1;
-
- } else if (Private->OfferCount[HttpOfferTypeDhcpIpUri] > 0) {
-
+ } else if (Private->OfferCount[HttpOfferTypeDhcpIpUri] > 0) {
Private->SelectIndex = Private->OfferIndex[HttpOfferTypeDhcpIpUri][0] + 1;
}
-
} else {
//
// We are in corporate environment.
@@ -532,45 +525,35 @@ HttpBootSelectDhcpOffer ( // Priority6: HttpOfferTypeDhcpDns + HttpOfferTypeDhcpNameUri
//
if (Private->OfferCount[HttpOfferTypeDhcpIpUri] > 0) {
-
Private->SelectIndex = Private->OfferIndex[HttpOfferTypeDhcpIpUri][0] + 1;
-
} else if (Private->OfferCount[HttpOfferTypeDhcpIpUriDns] > 0) {
-
Private->SelectIndex = Private->OfferIndex[HttpOfferTypeDhcpIpUriDns][0] + 1;
-
- }else if (Private->OfferCount[HttpOfferTypeDhcpNameUriDns] > 0) {
-
+ } else if (Private->OfferCount[HttpOfferTypeDhcpNameUriDns] > 0) {
Private->SelectIndex = Private->OfferIndex[HttpOfferTypeDhcpNameUriDns][0] + 1;
-
- } else if (Private->OfferCount[HttpOfferTypeDhcpOnly] > 0 &&
- Private->OfferCount[HttpOfferTypeProxyIpUri] > 0) {
-
+ } else if ((Private->OfferCount[HttpOfferTypeDhcpOnly] > 0) &&
+ (Private->OfferCount[HttpOfferTypeProxyIpUri] > 0))
+ {
Private->SelectIndex = Private->OfferIndex[HttpOfferTypeDhcpOnly][0] + 1;
Private->SelectProxyType = HttpOfferTypeProxyIpUri;
-
- } else if (Private->OfferCount[HttpOfferTypeDhcpDns] > 0 &&
- Private->OfferCount[HttpOfferTypeProxyIpUri] > 0) {
-
+ } else if ((Private->OfferCount[HttpOfferTypeDhcpDns] > 0) &&
+ (Private->OfferCount[HttpOfferTypeProxyIpUri] > 0))
+ {
Private->SelectIndex = Private->OfferIndex[HttpOfferTypeDhcpDns][0] + 1;
Private->SelectProxyType = HttpOfferTypeProxyIpUri;
-
- } else if (Private->OfferCount[HttpOfferTypeDhcpDns] > 0 &&
- Private->OfferCount[HttpOfferTypeProxyNameUri] > 0) {
-
+ } else if ((Private->OfferCount[HttpOfferTypeDhcpDns] > 0) &&
+ (Private->OfferCount[HttpOfferTypeProxyNameUri] > 0))
+ {
Private->SelectIndex = Private->OfferIndex[HttpOfferTypeDhcpDns][0] + 1;
Private->SelectProxyType = HttpOfferTypeProxyNameUri;
-
- } else if (Private->OfferCount[HttpOfferTypeDhcpDns] > 0 &&
- Private->OfferCount[HttpOfferTypeDhcpNameUri] > 0) {
-
+ } else if ((Private->OfferCount[HttpOfferTypeDhcpDns] > 0) &&
+ (Private->OfferCount[HttpOfferTypeDhcpNameUri] > 0))
+ {
Private->SelectIndex = Private->OfferIndex[HttpOfferTypeDhcpDns][0] + 1;
Private->SelectProxyType = HttpOfferTypeDhcpNameUri;
}
}
}
-
/**
EFI_DHCP4_CALLBACK is provided by the consumer of the EFI DHCPv4 Protocol driver
to intercept events that occurred in the configuration process.
@@ -594,29 +577,30 @@ HttpBootSelectDhcpOffer ( EFI_STATUS
EFIAPI
HttpBootDhcp4CallBack (
- IN EFI_DHCP4_PROTOCOL *This,
- IN VOID *Context,
- IN EFI_DHCP4_STATE CurrentState,
- IN EFI_DHCP4_EVENT Dhcp4Event,
- IN EFI_DHCP4_PACKET *Packet OPTIONAL,
- OUT EFI_DHCP4_PACKET **NewPacket OPTIONAL
+ IN EFI_DHCP4_PROTOCOL *This,
+ IN VOID *Context,
+ IN EFI_DHCP4_STATE CurrentState,
+ IN EFI_DHCP4_EVENT Dhcp4Event,
+ IN EFI_DHCP4_PACKET *Packet OPTIONAL,
+ OUT EFI_DHCP4_PACKET **NewPacket OPTIONAL
)
{
- HTTP_BOOT_PRIVATE_DATA *Private;
- EFI_DHCP4_PACKET_OPTION *MaxMsgSize;
- UINT16 Value;
- EFI_STATUS Status;
- BOOLEAN Received;
+ HTTP_BOOT_PRIVATE_DATA *Private;
+ EFI_DHCP4_PACKET_OPTION *MaxMsgSize;
+ UINT16 Value;
+ EFI_STATUS Status;
+ BOOLEAN Received;
if ((Dhcp4Event != Dhcp4SendDiscover) &&
(Dhcp4Event != Dhcp4RcvdOffer) &&
(Dhcp4Event != Dhcp4SendRequest) &&
(Dhcp4Event != Dhcp4RcvdAck) &&
- (Dhcp4Event != Dhcp4SelectOffer)) {
+ (Dhcp4Event != Dhcp4SelectOffer))
+ {
return EFI_SUCCESS;
}
- Private = (HTTP_BOOT_PRIVATE_DATA *) Context;
+ Private = (HTTP_BOOT_PRIVATE_DATA *)Context;
//
// Override the Maximum DHCP Message Size.
@@ -634,15 +618,15 @@ HttpBootDhcp4CallBack ( //
// Callback to user if any packets sent or received.
//
- if (Private->HttpBootCallback != NULL && Dhcp4Event != Dhcp4SelectOffer) {
- Received = (BOOLEAN) (Dhcp4Event == Dhcp4RcvdOffer || Dhcp4Event == Dhcp4RcvdAck);
- Status = Private->HttpBootCallback->Callback (
- Private->HttpBootCallback,
- HttpBootDhcp4,
- Received,
- Packet->Length,
- &Packet->Dhcp4
- );
+ if ((Private->HttpBootCallback != NULL) && (Dhcp4Event != Dhcp4SelectOffer)) {
+ Received = (BOOLEAN)(Dhcp4Event == Dhcp4RcvdOffer || Dhcp4Event == Dhcp4RcvdAck);
+ Status = Private->HttpBootCallback->Callback (
+ Private->HttpBootCallback,
+ HttpBootDhcp4,
+ Received,
+ Packet->Length,
+ &Packet->Dhcp4
+ );
if (EFI_ERROR (Status)) {
return EFI_ABORTED;
}
@@ -650,40 +634,43 @@ HttpBootDhcp4CallBack ( Status = EFI_SUCCESS;
switch (Dhcp4Event) {
- case Dhcp4RcvdOffer:
- Status = EFI_NOT_READY;
- if (Packet->Length > HTTP_BOOT_DHCP4_PACKET_MAX_SIZE) {
- //
- // Ignore the incoming packets which exceed the maximum length.
- //
+ case Dhcp4RcvdOffer:
+ Status = EFI_NOT_READY;
+ if (Packet->Length > HTTP_BOOT_DHCP4_PACKET_MAX_SIZE) {
+ //
+ // Ignore the incoming packets which exceed the maximum length.
+ //
+ break;
+ }
+
+ if (Private->OfferNum < HTTP_BOOT_OFFER_MAX_NUM) {
+ //
+ // Cache the DHCPv4 offers to OfferBuffer[] for select later, and record
+ // the OfferIndex and OfferCount.
+ // If error happens, just ignore this packet and continue to wait more offer.
+ //
+ HttpBootCacheDhcp4Offer (Private, Packet);
+ }
+
break;
- }
- if (Private->OfferNum < HTTP_BOOT_OFFER_MAX_NUM) {
+
+ case Dhcp4SelectOffer:
//
- // Cache the DHCPv4 offers to OfferBuffer[] for select later, and record
- // the OfferIndex and OfferCount.
- // If error happens, just ignore this packet and continue to wait more offer.
+ // Select offer according to the priority in UEFI spec, and record the SelectIndex
+ // and SelectProxyType.
//
- HttpBootCacheDhcp4Offer (Private, Packet);
- }
- break;
+ HttpBootSelectDhcpOffer (Private);
- case Dhcp4SelectOffer:
- //
- // Select offer according to the priority in UEFI spec, and record the SelectIndex
- // and SelectProxyType.
- //
- HttpBootSelectDhcpOffer (Private);
+ if (Private->SelectIndex == 0) {
+ Status = EFI_ABORTED;
+ } else {
+ *NewPacket = &Private->OfferBuffer[Private->SelectIndex - 1].Dhcp4.Packet.Offer;
+ }
- if (Private->SelectIndex == 0) {
- Status = EFI_ABORTED;
- } else {
- *NewPacket = &Private->OfferBuffer[Private->SelectIndex - 1].Dhcp4.Packet.Offer;
- }
- break;
+ break;
- default:
- break;
+ default:
+ break;
}
return Status;
@@ -700,11 +687,11 @@ HttpBootDhcp4CallBack ( **/
EFI_STATUS
HttpBootRegisterIp4Gateway (
- IN HTTP_BOOT_PRIVATE_DATA *Private
+ IN HTTP_BOOT_PRIVATE_DATA *Private
)
{
- EFI_STATUS Status;
- EFI_IP4_CONFIG2_PROTOCOL *Ip4Config2;
+ EFI_STATUS Status;
+ EFI_IP4_CONFIG2_PROTOCOL *Ip4Config2;
ASSERT (!Private->UsingIpv6);
@@ -742,12 +729,12 @@ HttpBootRegisterIp4Gateway ( **/
EFI_STATUS
HttpBootRegisterIp4Dns (
- IN HTTP_BOOT_PRIVATE_DATA *Private,
- IN UINTN DataLength,
- IN VOID *DnsServerData
+ IN HTTP_BOOT_PRIVATE_DATA *Private,
+ IN UINTN DataLength,
+ IN VOID *DnsServerData
)
{
- EFI_IP4_CONFIG2_PROTOCOL *Ip4Config2;
+ EFI_IP4_CONFIG2_PROTOCOL *Ip4Config2;
ASSERT (!Private->UsingIpv6);
@@ -761,7 +748,6 @@ HttpBootRegisterIp4Dns ( );
}
-
/**
This function will switch the IP4 configuration policy to Static.
@@ -773,35 +759,35 @@ HttpBootRegisterIp4Dns ( **/
EFI_STATUS
HttpBootSetIp4Policy (
- IN HTTP_BOOT_PRIVATE_DATA *Private
+ IN HTTP_BOOT_PRIVATE_DATA *Private
)
{
- EFI_IP4_CONFIG2_POLICY Policy;
- EFI_STATUS Status;
- EFI_IP4_CONFIG2_PROTOCOL *Ip4Config2;
- UINTN DataSize;
+ EFI_IP4_CONFIG2_POLICY Policy;
+ EFI_STATUS Status;
+ EFI_IP4_CONFIG2_PROTOCOL *Ip4Config2;
+ UINTN DataSize;
Ip4Config2 = Private->Ip4Config2;
DataSize = sizeof (EFI_IP4_CONFIG2_POLICY);
- Status = Ip4Config2->GetData (
- Ip4Config2,
- Ip4Config2DataTypePolicy,
- &DataSize,
- &Policy
- );
+ Status = Ip4Config2->GetData (
+ Ip4Config2,
+ Ip4Config2DataTypePolicy,
+ &DataSize,
+ &Policy
+ );
if (EFI_ERROR (Status)) {
return Status;
}
if (Policy != Ip4Config2PolicyStatic) {
Policy = Ip4Config2PolicyStatic;
- Status= Ip4Config2->SetData (
- Ip4Config2,
- Ip4Config2DataTypePolicy,
- sizeof (EFI_IP4_CONFIG2_POLICY),
- &Policy
- );
+ Status = Ip4Config2->SetData (
+ Ip4Config2,
+ Ip4Config2DataTypePolicy,
+ sizeof (EFI_IP4_CONFIG2_POLICY),
+ &Policy
+ );
if (EFI_ERROR (Status)) {
return Status;
}
@@ -821,16 +807,16 @@ HttpBootSetIp4Policy ( **/
EFI_STATUS
HttpBootDhcp4Dora (
- IN HTTP_BOOT_PRIVATE_DATA *Private
+ IN HTTP_BOOT_PRIVATE_DATA *Private
)
{
- EFI_DHCP4_PROTOCOL *Dhcp4;
- UINT32 OptCount;
- EFI_DHCP4_PACKET_OPTION *OptList[HTTP_BOOT_DHCP4_OPTION_MAX_NUM];
- UINT8 Buffer[HTTP_BOOT_DHCP4_OPTION_MAX_SIZE];
- EFI_DHCP4_CONFIG_DATA Config;
- EFI_STATUS Status;
- EFI_DHCP4_MODE_DATA Mode;
+ EFI_DHCP4_PROTOCOL *Dhcp4;
+ UINT32 OptCount;
+ EFI_DHCP4_PACKET_OPTION *OptList[HTTP_BOOT_DHCP4_OPTION_MAX_NUM];
+ UINT8 Buffer[HTTP_BOOT_DHCP4_OPTION_MAX_SIZE];
+ EFI_DHCP4_CONFIG_DATA Config;
+ EFI_STATUS Status;
+ EFI_DHCP4_MODE_DATA Mode;
Dhcp4 = Private->Dhcp4;
ASSERT (Dhcp4 != NULL);
@@ -846,7 +832,7 @@ HttpBootDhcp4Dora ( OptCount = HttpBootBuildDhcp4Options (Private, OptList, Buffer);
ASSERT (OptCount > 0);
- ZeroMem (&Config, sizeof(Config));
+ ZeroMem (&Config, sizeof (Config));
Config.OptionCount = OptCount;
Config.OptionList = OptList;
Config.Dhcp4Callback = HttpBootDhcp4CallBack;
|