diff options
| author | Wu Jiaxin <jiaxin.wu@intel.com> | 2013-10-25 08:07:26 +0000 |
|---|---|---|
| committer | jiaxinwu <jiaxinwu@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-10-25 08:07:26 +0000 |
| commit | b7cc5bf180e9deefc91a5e66e0b80fd222503608 (patch) | |
| tree | 131122ba3d0e3a3e8d6488ef91a0fb550a7c3848 /NetworkPkg/IScsiDxe/IScsiMisc.c | |
| parent | 05a300115ab80963e2a722aaaa8adbb3b6c5007c (diff) | |
| download | edk2-b7cc5bf180e9deefc91a5e66e0b80fd222503608.tar.gz edk2-b7cc5bf180e9deefc91a5e66e0b80fd222503608.tar.bz2 edk2-b7cc5bf180e9deefc91a5e66e0b80fd222503608.zip | |
Fix a bug about the iSCSI DHCP dependency issue.
Create rules to determine whether iSCSI need DHCP protocol in current configuration by examining user’s configuration data in DriverBindingSupported().
Signed-off-by: Wu Jiaxin <jiaxin.wu@intel.com >
Reviewed-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14803 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'NetworkPkg/IScsiDxe/IScsiMisc.c')
| -rw-r--r-- | NetworkPkg/IScsiDxe/IScsiMisc.c | 95 |
1 files changed, 94 insertions, 1 deletions
diff --git a/NetworkPkg/IScsiDxe/IScsiMisc.c b/NetworkPkg/IScsiDxe/IScsiMisc.c index 971011eac5..1079c187fa 100644 --- a/NetworkPkg/IScsiDxe/IScsiMisc.c +++ b/NetworkPkg/IScsiDxe/IScsiMisc.c @@ -1,7 +1,7 @@ /** @file
Miscellaneous routines for iSCSI driver.
-Copyright (c) 2004 - 2012, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2004 - 2013, Intel Corporation. All rights reserved.<BR>
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
@@ -890,6 +890,99 @@ IScsiCleanDriverData ( FreePool (Private);
}
+/**
+ Check wheather the Controller handle is configured to use DHCP protocol.
+
+ @param[in] Controller The handle of the controller.
+ @param[in] IpVersion IP_VERSION_4 or IP_VERSION_6.
+
+ @retval TRUE The handle of the controller need the Dhcp protocol.
+ @retval FALSE The handle of the controller does not need the Dhcp protocol.
+
+**/
+BOOLEAN
+IScsiDhcpIsConfigured (
+ IN EFI_HANDLE Controller,
+ IN UINT8 IpVersion
+ )
+{
+ ISCSI_ATTEMPT_CONFIG_NVDATA *AttemptTmp;
+ UINT8 *AttemptConfigOrder;
+ UINTN AttemptConfigOrderSize;
+ UINTN Index;
+ EFI_STATUS Status;
+ EFI_MAC_ADDRESS MacAddr;
+ UINTN HwAddressSize;
+ UINT16 VlanId;
+ CHAR16 MacString[ISCSI_MAX_MAC_STRING_LEN];
+ CHAR16 AttemptName[ISCSI_NAME_IFR_MAX_SIZE];
+
+ AttemptConfigOrder = IScsiGetVariableAndSize (
+ L"AttemptOrder",
+ &gIScsiConfigGuid,
+ &AttemptConfigOrderSize
+ );
+ if (AttemptConfigOrder == NULL || AttemptConfigOrderSize == 0) {
+ return FALSE;
+ }
+
+ //
+ // Get MAC address of this network device.
+ //
+ Status = NetLibGetMacAddress (Controller, &MacAddr, &HwAddressSize);
+ if(EFI_ERROR (Status)) {
+ return FALSE;
+ }
+ //
+ // Get VLAN ID of this network device.
+ //
+ VlanId = NetLibGetVlanId (Controller);
+ IScsiMacAddrToStr (&MacAddr, (UINT32) HwAddressSize, VlanId, MacString);
+
+ for (Index = 0; Index < AttemptConfigOrderSize / sizeof (UINT8); Index++) {
+ UnicodeSPrint (
+ AttemptName,
+ (UINTN) 128,
+ L"%s%d",
+ MacString,
+ (UINTN) AttemptConfigOrder[Index]
+ );
+ Status = GetVariable2 (
+ AttemptName,
+ &gEfiIScsiInitiatorNameProtocolGuid,
+ (VOID**)&AttemptTmp,
+ NULL
+ );
+ if(EFI_ERROR (Status)) {
+ continue;
+ }
+ ASSERT (AttemptConfigOrder[Index] == AttemptTmp->AttemptConfigIndex);
+
+ if (AttemptTmp->SessionConfigData.Enabled == ISCSI_DISABLED) {
+ FreePool (AttemptTmp);
+ continue;
+ }
+
+ if (AttemptTmp->SessionConfigData.IpMode != IP_MODE_AUTOCONFIG &&
+ AttemptTmp->SessionConfigData.IpMode != ((IpVersion == IP_VERSION_4) ? IP_MODE_IP4 : IP_MODE_IP6)) {
+ FreePool (AttemptTmp);
+ continue;
+ }
+
+ if(AttemptTmp->SessionConfigData.IpMode == IP_MODE_AUTOCONFIG ||
+ AttemptTmp->SessionConfigData.InitiatorInfoFromDhcp == TRUE ||
+ AttemptTmp->SessionConfigData.TargetInfoFromDhcp == TRUE) {
+ FreePool (AttemptTmp);
+ FreePool (AttemptConfigOrder);
+ return TRUE;
+ }
+
+ FreePool (AttemptTmp);
+ }
+
+ FreePool (AttemptConfigOrder);
+ return FALSE;
+}
/**
Get the various configuration data.
|