diff options
Diffstat (limited to 'MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c')
| -rw-r--r-- | MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c index 620b6314be..59b40af216 100644 --- a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c +++ b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c @@ -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
|