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update file header 

update function header
according coding style requirements:
The enum shall be declared as a typedef with the name 
so update FieldIndex related code for IScsiDhcpExtractRootPath()

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6945 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
ywu21 2008-12-10 02:21:50 +00:00
parent a4e5d8adef
commit 8e29a12567
1 changed files with 45 additions and 68 deletions
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113
MdeModulePkg/Universal/Network/IScsiDxe/IScsiDhcp.c
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@ -1,7 +1,7 @@
/**
/** @file
ISci DHCP related configuration routines.
Copyright (c) 2004 - 2007, Intel Corporation
Copyright (c) 2004 - 2007, Intel Corporation.<BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -10,14 +10,6 @@ http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
IScsiDhcp.c
Abstract:
IScsi DHCP related configuration routines.
**/
#include "IScsiImpl.h"
@ -25,20 +17,14 @@ Abstract:
/**
Extract the Root Path option and get the required target information.
@param RootPath[in] The RootPath.
@param Length[in] Length of the RootPath option payload.
@param ConfigNvData[in] The iSCSI session configuration data read from nonvolatile device.
@param[in] RootPath The RootPath.
@param[in] Length Length of the RootPath option payload.
@param[in] ConfigNvData The iSCSI session configuration data read from nonvolatile device.
@retval EFI_SUCCESS All required information is extracted from the RootPath option.
@retval EFI_NOT_FOUND The RootPath is not an iSCSI RootPath.
@retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
@retval EFI_INVALID_PARAMETER The RootPath is mal-formatted.
**/
EFI_STATUS
IScsiDhcpExtractRootPath (
@ -52,7 +38,7 @@ IScsiDhcpExtractRootPath (
CHAR8 *TmpStr;
ISCSI_ROOT_PATH_FIELD Fields[RP_FIELD_IDX_MAX];
ISCSI_ROOT_PATH_FIELD *Field;
UINT32 FieldIndex;
RP_FIELD_IDX FieldIndex;
UINT8 Index;
//
@ -78,13 +64,13 @@ IScsiDhcpExtractRootPath (
TmpStr[Length] = '\0';
Index = 0;
FieldIndex = 0;
FieldIndex = RP_FIELD_IDX_SERVERNAME;
ZeroMem (&Fields[0], sizeof (Fields));
//
// Extract the fields in the Root Path option string.
//
for (FieldIndex = 0; (FieldIndex < RP_FIELD_IDX_MAX) && (Index < Length); FieldIndex++) {
for (FieldIndex = RP_FIELD_IDX_SERVERNAME; (FieldIndex < RP_FIELD_IDX_MAX) && (Index < Length); FieldIndex++) {
if (TmpStr[Index] != ISCSI_ROOT_PATH_FIELD_DELIMITER) {
Fields[FieldIndex].Str = &TmpStr[Index];
}
@ -109,19 +95,25 @@ IScsiDhcpExtractRootPath (
Status = EFI_INVALID_PARAMETER;
goto ON_EXIT;
}
if ((Fields[RP_FIELD_IDX_SERVERNAME].Str == NULL) ||
(Fields[RP_FIELD_IDX_TARGETNAME].Str == NULL) ||
(Fields[RP_FIELD_IDX_PROTOCOL].Len > 1)
) {
for (FieldIndex = RP_FIELD_IDX_SERVERNAME; FieldIndex != RP_FIELD_IDX_TARGETNAME; FieldIndex = RP_FIELD_IDX_TARGETNAME) {
if (Fields[FieldIndex].Str == NULL) {
Status = EFI_INVALID_PARAMETER;
goto ON_EXIT;
}
}
FieldIndex = RP_FIELD_IDX_PROTOCOL;
if (Fields[RP_FIELD_IDX_PROTOCOL].Len > 1) {
Status = EFI_INVALID_PARAMETER;
goto ON_EXIT;
}
//
// Get the IP address of the target.
//
Field = &Fields[RP_FIELD_IDX_SERVERNAME];
FieldIndex = RP_FIELD_IDX_SERVERNAME;
Field = &Fields[FieldIndex];
Status = IScsiAsciiStrToIp (Field->Str, &ConfigNvData->TargetIp);
if (EFI_ERROR (Status)) {
goto ON_EXIT;
@ -129,7 +121,8 @@ IScsiDhcpExtractRootPath (
//
// Check the protocol type.
//
Field = &Fields[RP_FIELD_IDX_PROTOCOL];
FieldIndex = RP_FIELD_IDX_PROTOCOL;
Field = &Fields[FieldIndex];
if ((Field->Str != NULL) && ((*(Field->Str) - '0') != EFI_IP_PROTO_TCP)) {
Status = EFI_INVALID_PARAMETER;
goto ON_EXIT;
@ -137,7 +130,8 @@ IScsiDhcpExtractRootPath (
//
// Get the port of the iSCSI target.
//
Field = &Fields[RP_FIELD_IDX_PORT];
FieldIndex = RP_FIELD_IDX_PORT;
Field = &Fields[FieldIndex];
if (Field->Str != NULL) {
ConfigNvData->TargetPort = (UINT16) AsciiStrDecimalToUintn (Field->Str);
} else {
@ -146,7 +140,8 @@ IScsiDhcpExtractRootPath (
//
// Get the LUN.
//
Field = &Fields[RP_FIELD_IDX_LUN];
FieldIndex = RP_FIELD_IDX_LUN;
Field = &Fields[FieldIndex];
if (Field->Str != NULL) {
Status = IScsiAsciiStrToLun (Field->Str, ConfigNvData->BootLun);
if (EFI_ERROR (Status)) {
@ -158,8 +153,8 @@ IScsiDhcpExtractRootPath (
//
// Get the target iSCSI Name.
//
Field = &Fields[RP_FIELD_IDX_TARGETNAME];
FieldIndex = RP_FIELD_IDX_TARGETNAME;
Field = &Fields[FieldIndex];
if (AsciiStrLen (Field->Str) > ISCSI_NAME_MAX_SIZE - 1) {
Status = EFI_INVALID_PARAMETER;
goto ON_EXIT;
@ -185,23 +180,17 @@ ON_EXIT:
The callback function registerd to the DHCP4 instance which is used to select
the qualified DHCP OFFER.
@param This[in] The DHCP4 protocol.
@param Context[in] The context set when configuring the DHCP4 protocol.
@param CurrentState[in] The current state of the DHCP4 protocol.
@param Dhcp4Event[in] The event occurs in the current state.
@param Packet[in] The DHCP packet that is to be sent or already received.
@param NewPackt[out] The packet used to replace the above Packet.
@retval EFI_NOT_READY The DHCP OFFER packet doesn't match our requirements.
@param[in] This The DHCP4 protocol.
@param[in] Context The context set when configuring the DHCP4 protocol.
@param[in] CurrentState The current state of the DHCP4 protocol.
@param[in] Dhcp4Event The event occurs in the current state.
@param[in] Packet The DHCP packet that is to be sent or already received.
@param[out] NewPacket The packet used to replace the above Packet.
@retval EFI_SUCCESS Either the DHCP OFFER is qualified or we're not intereseted
in the Dhcp4Event.
@retval EFI_NOT_READY The DHCP OFFER packet doesn't match our requirements.
@retval Others Some unexpected error happened.
**/
EFI_STATUS
IScsiDhcpSelectOffer (
@ -266,18 +255,13 @@ IScsiDhcpSelectOffer (
/**
Parse the DHCP ACK to get the address configuration and DNS information.
@param Dhcp4[in] The DHCP4 protocol.
@param ConfigData[in] The session configuration data.
@param[in] Dhcp4 The DHCP4 protocol.
@param[in] ConfigData The session configuration data.
@retval EFI_SUCCESS The DNS information is got from the DHCP ACK.
@retval EFI_NO_MAPPING DHCP failed to acquire address and other information.
@retval EFI_INVALID_PARAMETER The DHCP ACK's DNS option is mal-formatted.
@retval EFI_DEVICE_ERROR Some unexpected error happened.
**/
EFI_STATUS
IScsiParseDhcpAck (
@ -362,20 +346,13 @@ IScsiParseDhcpAck (
/**
Parse the DHCP ACK to get the address configuration and DNS information.
@param Image[in] The handle of the driver image.
@param Controller[in] The handle of the controller;
@param ConfigData[in] The session configuration data.
@param[in] Image The handle of the driver image.
@param[in] Controller The handle of the controller;
@param[in] ConfigData The session configuration data.
@retval EFI_SUCCESS The DNS information is got from the DHCP ACK.
@retval EFI_NO_MAPPING DHCP failed to acquire address and other information.
@retval EFI_INVALID_PARAMETER The DHCP ACK's DNS option is mal-formatted.
@retval EFI_DEVICE_ERROR Some unexpected error happened.
@retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
@retval Others Some unexpected error happened.
**/
EFI_STATUS
IScsiDoDhcp (