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1). Fix the debug level for DEBUG macro

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2). Uniform the function description comments

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7143 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
niry
2008-12-29 01:16:13 +00:00
parent 99fd60317f
commit f381602727
19 changed files with 343 additions and 311 deletions
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45
MdeModulePkg/Universal/Network/SnpDxe/Receive.c
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@@ -16,22 +16,30 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include "Snp.h"
/**
this routine calls undi to receive a packet and fills in the data in the
input pointers!
Call UNDI to receive a packet and fills in the data in the input pointers.
@param Snp pointer to snp driver structure
@param Buffer pointer to the memory for the received data
@param BufferSize is a pointer to the length of the buffer on entry and
contains the length of the received data on return
@param HeaderSize pointer to the header portion of the data received.
@param SrcAddr optional parameter, is a pointer to contain the
source ethernet address on return
@param DestAddr optional parameter, is a pointer to contain the
destination ethernet address on return
@param Protocol optional parameter, is a pointer to contain the
protocol type from the ethernet header on return
@param Snp Pointer to snp driver structure
@param Buffer Pointer to the memory for the received data
@param BufferSize Pointer to the length of the buffer on entry and contains
the length of the received data on return
@param HeaderSize Pointer to the header portion of the data received.
@param SrcAddr Pointer to contain the source ethernet address on return
@param DestAddr Pointer to contain the destination ethernet address on
return
@param Protocol Pointer to contain the protocol type from the ethernet
header on return
@retval EFI_SUCCESS The received data was stored in Buffer, and
BufferSize has been updated to the number of
bytes received.
@retval EFI_DEVICE_ERROR Fail to execute UNDI command.
@retval EFI_NOT_READY No packets have been received on the network
interface.
@retval EFI_BUFFER_TOO_SMALL BufferSize is too small for the received
packets. BufferSize has been updated to the
required size.
**/
EFI_STATUS
PxeReceive (
@@ -74,7 +82,7 @@ PxeReceive (
//
// Issue UNDI command and check result.
//
DEBUG ((EFI_D_NET, "\nsnp->undi.receive () "));
DEBUG ((EFI_D_INFO | EFI_D_NET, "\nsnp->undi.receive () "));
(*Snp->IssueUndi32Command) ((UINT64)(UINTN) &Snp->Cdb);
@@ -84,7 +92,7 @@ PxeReceive (
case PXE_STATCODE_NO_DATA:
DEBUG (
(EFI_D_NET,
(EFI_D_ERROR | EFI_D_NET,
"\nsnp->undi.receive () %xh:%xh\n",
Snp->Cdb.StatFlags,
Snp->Cdb.StatCode)
@@ -94,7 +102,7 @@ PxeReceive (
default:
DEBUG (
(EFI_D_ERROR,
(EFI_D_ERROR | EFI_D_NET,
"\nsnp->undi.receive() %xh:%xh\n",
Snp->Cdb.StatFlags,
Snp->Cdb.StatCode)
@@ -118,7 +126,10 @@ PxeReceive (
}
if (Protocol != NULL) {
*Protocol = (UINT16) PXE_SWAP_UINT16 (Db->Protocol); /* we need to do the byte swapping */
//
// We need to do the byte swapping
//
*Protocol = (UINT16) PXE_SWAP_UINT16 (Db->Protocol);
}
return (*BufferSize <= BuffSize) ? EFI_SUCCESS : EFI_BUFFER_TOO_SMALL;