diff options
Diffstat (limited to 'MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c')
| -rw-r--r-- | MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c | 90 |
1 files changed, 45 insertions, 45 deletions
diff --git a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c index e694323019..f22a3c3199 100644 --- a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c +++ b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c @@ -1,7 +1,7 @@ /** @file
IP4 input process.
-
-Copyright (c) 2005 - 2017, Intel Corporation. All rights reserved.<BR>
+
+Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
This program and the accompanying materials
@@ -441,8 +441,8 @@ DROP: }
/**
- The callback function for the net buffer which wraps the packet processed by
- IPsec. It releases the wrap packet and also signals IPsec to free the resources.
+ The callback function for the net buffer which wraps the packet processed by
+ IPsec. It releases the wrap packet and also signals IPsec to free the resources.
@param[in] Arg The wrap context
@@ -469,25 +469,25 @@ Ip4IpSecFree ( }
/**
- The work function to locate IPsec protocol to process the inbound or
+ The work function to locate IPsec protocol to process the inbound or
outbound IP packets. The process routine handls the packet with following
- actions: bypass the packet, discard the packet, or protect the packet.
+ actions: bypass the packet, discard the packet, or protect the packet.
@param[in] IpSb The IP4 service instance.
@param[in, out] Head The The caller supplied IP4 header.
@param[in, out] Netbuf The IP4 packet to be processed by IPsec.
@param[in, out] Options The caller supplied options.
@param[in, out] OptionsLen The length of the option.
- @param[in] Direction The directionality in an SPD entry,
+ @param[in] Direction The directionality in an SPD entry,
EfiIPsecInBound or EfiIPsecOutBound.
@param[in] Context The token's wrap.
@retval EFI_SUCCESS The IPsec protocol is not available or disabled.
@retval EFI_SUCCESS The packet was bypassed and all buffers remain the same.
@retval EFI_SUCCESS The packet was protected.
- @retval EFI_ACCESS_DENIED The packet was discarded.
+ @retval EFI_ACCESS_DENIED The packet was discarded.
@retval EFI_OUT_OF_RESOURCES There is no suffcient resource to complete the operation.
- @retval EFI_BUFFER_TOO_SMALL The number of non-empty block is bigger than the
+ @retval EFI_BUFFER_TOO_SMALL The number of non-empty block is bigger than the
number of input data blocks when build a fragment table.
**/
@@ -519,12 +519,12 @@ Ip4IpSecProcessPacket ( goto ON_EXIT;
}
ASSERT (mIpSec != NULL);
-
+
Packet = *Netbuf;
RecycleEvent = NULL;
IpSecWrap = NULL;
FragmentTable = NULL;
- TxWrap = (IP4_TXTOKEN_WRAP *) Context;
+ TxWrap = (IP4_TXTOKEN_WRAP *) Context;
FragmentCount = Packet->BlockOpNum;
ZeroMem (&ZeroHead, sizeof (IP4_HEAD));
@@ -535,14 +535,14 @@ Ip4IpSecProcessPacket ( if (mIpSec->DisabledFlag) {
//
// If IPsec is disabled, restore the original MTU
- //
+ //
IpSb->MaxPacketSize = IpSb->OldMaxPacketSize;
goto ON_EXIT;
} else {
//
- // If IPsec is enabled, use the MTU which reduce the IPsec header length.
+ // If IPsec is enabled, use the MTU which reduce the IPsec header length.
//
- IpSb->MaxPacketSize = IpSb->OldMaxPacketSize - IP4_MAX_IPSEC_HEADLEN;
+ IpSb->MaxPacketSize = IpSb->OldMaxPacketSize - IP4_MAX_IPSEC_HEADLEN;
}
//
@@ -554,9 +554,9 @@ Ip4IpSecProcessPacket ( Status = EFI_OUT_OF_RESOURCES;
goto ON_EXIT;
}
-
+
Status = NetbufBuildExt (Packet, FragmentTable, &FragmentCount);
-
+
//
// Record the original FragmentTable and count.
//
@@ -572,7 +572,7 @@ Ip4IpSecProcessPacket ( // Convert host byte order to network byte order
//
Ip4NtohHead (*Head);
-
+
Status = mIpSec->ProcessExt (
mIpSec,
IpSb->Controller,
@@ -590,7 +590,7 @@ Ip4IpSecProcessPacket ( // Convert back to host byte order
//
Ip4NtohHead (*Head);
-
+
if (EFI_ERROR (Status)) {
FreePool (OriginalFragmentTable);
goto ON_EXIT;
@@ -610,7 +610,7 @@ Ip4IpSecProcessPacket ( }
if (Direction == EfiIPsecOutBound && TxWrap != NULL) {
-
+
TxWrap->IpSecRecycleSignal = RecycleEvent;
TxWrap->Packet = NetbufFromExt (
FragmentTable,
@@ -635,28 +635,28 @@ Ip4IpSecProcessPacket ( //
NetIpSecNetbufFree (*Netbuf);
*Netbuf = TxWrap->Packet;
-
+
} else {
-
+
IpSecWrap = AllocateZeroPool (sizeof (IP4_IPSEC_WRAP));
-
+
if (IpSecWrap == NULL) {
Status = EFI_OUT_OF_RESOURCES;
gBS->SignalEvent (RecycleEvent);
goto ON_EXIT;
}
-
+
IpSecWrap->IpSecRecycleSignal = RecycleEvent;
IpSecWrap->Packet = Packet;
Packet = NetbufFromExt (
- FragmentTable,
- FragmentCount,
- IP4_MAX_HEADLEN,
- 0,
- Ip4IpSecFree,
+ FragmentTable,
+ FragmentCount,
+ IP4_MAX_HEADLEN,
+ 0,
+ Ip4IpSecFree,
IpSecWrap
);
-
+
if (Packet == NULL) {
Packet = IpSecWrap->Packet;
gBS->SignalEvent (RecycleEvent);
@@ -686,7 +686,7 @@ ON_EXIT: /**
Pre-process the IPv4 packet. First validates the IPv4 packet, and
then reassembles packet if it is necessary.
-
+
@param[in] IpSb Pointer to IP4_SERVICE.
@param[in, out] Packet Pointer to the Packet to be processed.
@param[in] Head Pointer to the IP4_HEAD.
@@ -696,7 +696,7 @@ ON_EXIT: as multicast.
@retval EFI_SEUCCESS The recieved packet is in well form.
- @retval EFI_INVAILD_PARAMETER The recieved packet is malformed.
+ @retval EFI_INVAILD_PARAMETER The recieved packet is malformed.
**/
EFI_STATUS
@@ -705,9 +705,9 @@ Ip4PreProcessPacket ( IN OUT NET_BUF **Packet,
IN IP4_HEAD *Head,
IN UINT8 *Option,
- IN UINT32 OptionLen,
+ IN UINT32 OptionLen,
IN UINT32 Flag
- )
+ )
{
IP4_CLIP_INFO *Info;
UINT32 HeadLen;
@@ -720,7 +720,7 @@ Ip4PreProcessPacket ( if ((*Packet)->TotalSize < IP4_MIN_HEADLEN) {
return EFI_INVALID_PARAMETER;
}
-
+
HeadLen = (Head->HeadLen << 2);
TotalLen = NTOHS (Head->TotalLen);
@@ -769,7 +769,7 @@ Ip4PreProcessPacket ( // Validate the options. Don't call the Ip4OptionIsValid if
// there is no option to save some CPU process.
//
-
+
if ((OptionLen > 0) && !Ip4OptionIsValid (Option, OptionLen, TRUE)) {
return EFI_INVALID_PARAMETER;
}
@@ -810,7 +810,7 @@ Ip4PreProcessPacket ( return EFI_INVALID_PARAMETER;
}
}
-
+
return EFI_SUCCESS;
}
@@ -842,7 +842,7 @@ Ip4AccpetFrame ( IP4_HEAD ZeroHead;
UINT8 *Option;
UINT32 OptionLen;
-
+
IpSb = (IP4_SERVICE *) Context;
Option = NULL;
@@ -861,11 +861,11 @@ Ip4AccpetFrame ( // Validate packet format and reassemble packet if it is necessary.
//
Status = Ip4PreProcessPacket (
- IpSb,
- &Packet,
- Head,
+ IpSb,
+ &Packet,
+ Head,
Option,
- OptionLen,
+ OptionLen,
Flag
);
@@ -890,7 +890,7 @@ Ip4AccpetFrame ( if (EFI_ERROR (Status)) {
goto RESTART;
}
-
+
//
// If the packet is protected by tunnel mode, parse the inner Ip Packet.
//
@@ -914,7 +914,7 @@ Ip4AccpetFrame ( goto RESTART;
}
}
-
+
ASSERT (Packet != NULL);
Head = Packet->Ip.Ip4;
IP4_GET_CLIP_INFO (Packet)->Status = EFI_SUCCESS;
@@ -1298,7 +1298,7 @@ Ip4InstanceDeliverPacket ( //
Head = NetbufAllocSpace (Dup, IP4_MAX_HEADLEN, NET_BUF_HEAD);
ASSERT (Head != NULL);
-
+
Dup->Ip.Ip4 = (IP4_HEAD *) Head;
CopyMem (Head, Packet->Ip.Ip4, Packet->Ip.Ip4->HeadLen << 2);
@@ -1345,7 +1345,7 @@ Ip4InstanceDeliverPacket ( @param[in] Head The header of the received packet.
@param[in] Packet The data of the received packet.
@param[in] Option Point to the IP4 packet header options.
- @param[in] OptionLen Length of the IP4 packet header options.
+ @param[in] OptionLen Length of the IP4 packet header options.
@param[in] IpIf The interface to enqueue the packet to.
@return The number of the IP4 children that accepts the packet
|