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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6454 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jgong5
2008-11-11 09:23:25 +00:00
parent a8d048d54d
commit 96e1079fa4
11 changed files with 170 additions and 169 deletions
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37
MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c
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@@ -24,7 +24,7 @@ Abstract:
/**
Create a empty assemble entry for the packet identified by
Create an empty assemble entry for the packet identified by
(Dst, Src, Id, Protocol). The default life for the packet is
120 seconds.
@@ -72,7 +72,7 @@ Ip4CreateAssembleEntry (
/**
Release all the fragments of a packet, then free the assemble entry
Release all the fragments of a packet, then free the assemble entry.
@param Assemble The assemble entry to free
@@ -110,7 +110,7 @@ Ip4FreeAssembleEntry (
**/
VOID
Ip4InitAssembleTable (
IN IP4_ASSEMBLE_TABLE *Table
IN OUT IP4_ASSEMBLE_TABLE *Table
)
{
UINT32 Index;
@@ -164,9 +164,9 @@ Ip4CleanAssembleTable (
**/
VOID
Ip4TrimPacket (
IN NET_BUF *Packet,
IN INTN Start,
IN INTN End
IN OUT NET_BUF *Packet,
IN INTN Start,
IN INTN End
)
{
IP4_CLIP_INFO *Info;
@@ -220,17 +220,19 @@ Ip4OnFreeFragments (
return it to caller. If the packet can't be assembled, NULL is
return.
@param Table The assemble table used.
@param Packet The fragment to assemble
@param Table The assemble table used. New assemble entry will be created
if the Packet is from a new chain of fragments.
@param Packet The fragment to assemble. It might be freed if the fragment
can't be re-assembled.
@return NULL if the packet can't be reassemble. The point to just assembled
@return packet if all the fragments of the packet have arrived.
packet if all the fragments of the packet have arrived.
**/
NET_BUF *
Ip4Reassemble (
IN IP4_ASSEMBLE_TABLE *Table,
IN NET_BUF *Packet
IN OUT IP4_ASSEMBLE_TABLE *Table,
IN OUT NET_BUF *Packet
)
{
IP4_HEAD *IpHead;
@@ -393,7 +395,7 @@ Ip4Reassemble (
//
// Deliver the whole packet if all the fragments received.
// All fragments received if:
// 1. received the last one, so, the totoal length is know
// 1. received the last one, so, the total length is know
// 2. received all the data. If the last fragment on the
// queue ends at the total length, all data is received.
//
@@ -429,7 +431,7 @@ Ip4Reassemble (
return NULL;
}
NewPacket->Ip = Assemble->Head;
NewPacket->Ip = Assemble->Head;
CopyMem (IP4_GET_CLIP_INFO (NewPacket), Assemble->Info, sizeof (*IP4_GET_CLIP_INFO (NewPacket)));
return NewPacket;
}
@@ -481,7 +483,7 @@ Ip4AccpetFrame (
}
//
// Check that the IP4 header is correctly formated
// Check that the IP4 header is correctly formatted
//
if (Packet->TotalSize < IP4_MIN_HEADLEN) {
goto RESTART;
@@ -627,7 +629,8 @@ DROP:
@param Head The IP header of the packet
@param Packet The data of the packet
@return TRUE if the child wants to receive the packet, otherwise return FALSE.
@retval TRUE If the child wants to receive the packet.
@retval FALSE Otherwise.
**/
BOOLEAN
@@ -648,7 +651,7 @@ Ip4InstanceFrameAcceptable (
//
// Dirty trick for the Tiano UEFI network stack implmentation. If
// ReceiveTimeout == -1, the receive of the packet for this instance
// is disabled. The UEFI spec don't have such captibility. We add
// is disabled. The UEFI spec don't have such capability. We add
// this to improve the performance because IP will make a copy of
// the received packet for each accepting instance. Some IP instances
// used by UDP/TCP only send packets, they don't wants to receive.
@@ -1114,7 +1117,7 @@ Ip4InterfaceDeliverPacket (
to each IP4 child that accepts the packet. The second pass will
deliver a non-shared copy of the packet to each IP4 child that
has pending receive requests. Data is copied if more than one
child wants to consume the packet bacause each IP child need
child wants to consume the packet because each IP child needs
its own copy of the packet to make changes.
@param IpSb The IP4 service instance that received the packet