.../Protocol/WiFiProfileSyncProtocol.h | 86 ++++++++ NetworkPkg/NetworkPkg.dec | 3 + .../WifiConnectionManagerDxe.inf | 3 +- .../WifiConnectionMgrConfigNVDataStruct.h | 2 +- .../WifiConnectionMgrDriver.c | 126 ++++++++---- .../WifiConnectionMgrDxe.h | 4 +- .../WifiConnectionMgrImpl.c | 193 ++++++++++++++++-- .../WifiConnectionMgrMisc.c | 13 ++ 8 files changed, 370 insertions(+), 60 deletions(-) create mode 100644 NetworkPkg/Include/Protocol/WiFiProfileSyncProtocol.h
From: Zachary Clark-Williams <zclarkw112@gmail.com>
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3845
Enables KVM and One Click Recovery WLAN capability with WiFi Profile
Sync feature and protocol. Adding WiFiProfileSyncProtocol, which
supports the profilesync driver operations for transferring WiFi profiles
from AMT to the Supplicant. WiFiConnectionManager will check for the
WifiProfileSyncProtocol and if found will operate on the premise of a
One Click Recovery, or KVM flow with a Wifi profile provided by AMT.
Cc: Maciej Rabeda <maciej.rabeda@linux.intel.com>
Cc: Wu Jiaxin <jiaxin.wu@intel.com>
Cc: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Zachary Clark-Williams <zachary.clark-williams@intel.com>
---
.../Protocol/WiFiProfileSyncProtocol.h | 86 ++++++++
NetworkPkg/NetworkPkg.dec | 3 +
.../WifiConnectionManagerDxe.inf | 3 +-
.../WifiConnectionMgrConfigNVDataStruct.h | 2 +-
.../WifiConnectionMgrDriver.c | 126 ++++++++----
.../WifiConnectionMgrDxe.h | 4 +-
.../WifiConnectionMgrImpl.c | 193 ++++++++++++++++--
.../WifiConnectionMgrMisc.c | 13 ++
8 files changed, 370 insertions(+), 60 deletions(-)
create mode 100644 NetworkPkg/Include/Protocol/WiFiProfileSyncProtocol.h
diff --git a/NetworkPkg/Include/Protocol/WiFiProfileSyncProtocol.h b/NetworkPkg/Include/Protocol/WiFiProfileSyncProtocol.h
new file mode 100644
index 0000000000..bc8f58784e
--- /dev/null
+++ b/NetworkPkg/Include/Protocol/WiFiProfileSyncProtocol.h
@@ -0,0 +1,86 @@
+/** @file
+ WiFi profile sync protocol. Supports One Click Recovery or KVM OS recovery
+ boot flow over WiFi.
+
+ Pulbic links to speficiation document for KVM and One Click Recovery feature.
+ https://software.intel.com/sites/manageability/AMT_Implementation_and_Reference_Guide/default.htm?turl=WordDocuments%2Foneclickrecovery.htm
+
+ Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef WIFI_PROFILE_SYNC_PROTOCOL_H_
+#define WIFI_PROFILE_SYNC_PROTOCOL_H_
+
+#include <WifiConnectionManagerDxe/WifiConnectionMgrConfig.h>
+
+//
+// WiFi Profile Sync Protocol GUID variable.
+//
+extern EFI_GUID gEfiWiFiProfileSyncProtocolGuid;
+
+/**
+ Used by the WiFi connection manager to get the WiFi profile that AMT shared
+ and was stored in WiFi profile protocol. Aligns the AMT WiFi profile data to
+ the WiFi connection manager profile structure fo connection use.
+
+ @param[in, out] WcmProfile WiFi Connection Manager profile structure
+ @param[in, out] MacAddress MAC address from AMT saved to NiC MAC address
+
+ @retval EFI_SUCCESS Stored WiFi profile converted and returned succefully
+ @retval EFI_UNSUPPORTED Profile protocol sharing not supported or enabled
+ @retval EFI_NOT_FOUND No profiles to returned
+ @retval Others Error Occurred
+**/
+typedef
+EFI_STATUS
+(EFIAPI *WIFI_PROFILE_GET)(
+ IN OUT WIFI_MGR_NETWORK_PROFILE *Profile,
+ IN OUT EFI_80211_MAC_ADDRESS MacAddress
+ );
+
+/**
+ Saves the WiFi connection status recieved by the WiFiConnectionManager when
+ in a KVM OR One Click Recovery WLAN recovery flow. Input as
+ EFI_80211_CONNECT_NETWORK_RESULT_CODE then converted and stored as EFI_STATUS type.
+
+ @param[in] ConnectionStatus WiFi connection attempt results
+**/
+typedef
+VOID
+(EFIAPI *WIFI_SET_CONNECT_STATE)(
+ IN EFI_80211_CONNECT_NETWORK_RESULT_CODE ConnectionStatus
+ );
+
+/**
+ Retrieves the stored WiFi connection status when in either KVM OR One Click
+ Recovery WLAN recovery flow.
+
+ @retval EFI_SUCCESS WiFi connection completed succesfully
+ @retval Others Connection failure occurred
+**/
+typedef
+EFI_STATUS
+(EFIAPI *WIFI_GET_CONNECT_STATE)(
+ VOID
+ );
+
+//
+// WiFi Profile Sync Protocol structure.
+//
+typedef struct {
+ UINT32 Revision;
+ WIFI_SET_CONNECT_STATE WifiProfileSyncSetConnectState;
+ WIFI_GET_CONNECT_STATE WifiProfileSyncGetConnectState;
+ WIFI_PROFILE_GET WifiProfileSyncGetProfile;
+} EFI_WIFI_PROFILE_SYNC_PROTOCOL;
+
+/**
+ WiFi Profile Protocol revision number.
+
+ Revision 1: Initial version
+**/
+#define EFI_WIFI_PROFILE_SYNC_PROTOCOL_REVISION 1
+
+#endif // WIFI_PROFILE_SYNC_PROTOCOL_H_
diff --git a/NetworkPkg/NetworkPkg.dec b/NetworkPkg/NetworkPkg.dec
index 5e43ebf8c5..53fb34c4a0 100644
--- a/NetworkPkg/NetworkPkg.dec
+++ b/NetworkPkg/NetworkPkg.dec
@@ -91,6 +91,9 @@
## Include/Protocol/HttpCallback.h
gEdkiiHttpCallbackProtocolGuid = {0x611114f1, 0xa37b, 0x4468, {0xa4, 0x36, 0x5b, 0xdd, 0xa1, 0x6a, 0xa2, 0x40}}
+ ## Include/Protocol/WiFiProfileSyncProtocol.h
+ gEfiWiFiProfileSyncProtocolGuid = {0x399a2b8a, 0xc267, 0x44aa, {0x9a, 0xb4, 0x30, 0x58, 0x8c, 0xd2, 0x2d, 0xcc}}
+
[PcdsFixedAtBuild]
## The max attempt number will be created by iSCSI driver.
# @Prompt Max attempt number.
diff --git a/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionManagerDxe.inf b/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionManagerDxe.inf
index 4394b6f4bb..7e36016cf8 100644
--- a/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionManagerDxe.inf
+++ b/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionManagerDxe.inf
@@ -9,7 +9,7 @@
# 2). WPA2 Personal Network
# 3). EAP Networks (EAP-TLS, EAP-TTLS/MSCHAPv2 and PEAPv0/MSCHAPv2)
#
-# Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2019 - 2022, Intel Corporation. All rights reserved.<BR>
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
@@ -71,6 +71,7 @@
gEfiAdapterInformationProtocolGuid ## SOMETIMES_CONSUMES
gEfiSupplicantProtocolGuid ## SOMETIMES_CONSUMES
gEfiEapConfigurationProtocolGuid ## SOMETIMES_CONSUMES
+ gEfiWiFiProfileSyncProtocolGuid ## SOMETIMES_CONSUMES
[Guids]
gWifiConfigGuid ## PRODUCES ## GUID
diff --git a/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrConfigNVDataStruct.h b/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrConfigNVDataStruct.h
index b5518a74d8..dcc4bf7e27 100644
--- a/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrConfigNVDataStruct.h
+++ b/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrConfigNVDataStruct.h
@@ -25,7 +25,7 @@
#define PASSWORD_MIN_LEN 8
#define PASSWORD_MAX_LEN 63
-#define PASSWORD_STORAGE_SIZE 64
+#define PASSWORD_STORAGE_SIZE 65
#define EAP_IDENTITY_LEN 63
#define EAP_IDENTITY_SIZE 64
diff --git a/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrDriver.c b/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrDriver.c
index 67a01ca058..97ca7a9f0b 100644
--- a/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrDriver.c
+++ b/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrDriver.c
@@ -1,7 +1,7 @@
/** @file
The driver binding protocol for the WiFi Connection Manager.
- Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2019 - 2022, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@@ -39,6 +39,11 @@ EFI_GUID mWifiConfigNetworkListRefreshGuid = WIFI_CONFIG_NETWORK_LIST_REFRESH_G
EFI_GUID mWifiConfigConnectFormRefreshGuid = WIFI_CONFIG_CONNECT_FORM_REFRESH_GUID;
EFI_GUID mWifiConfigMainFormRefreshGuid = WIFI_CONFIG_MAIN_FORM_REFRESH_GUID;
+//
+// Wifi connection attempt counter for retries
+//
+extern UINT8 mWifiConnectionCount;
+
/**
Tests to see if this driver supports a given controller. If a child device is provided,
it further tests to see if this driver supports creating a handle for the specified child device.
@@ -167,8 +172,10 @@ WifiMgrDxeDriverBindingStart (
EFI_WIRELESS_MAC_CONNECTION_II_PROTOCOL *Wmp;
EFI_SUPPLICANT_PROTOCOL *Supplicant;
EFI_EAP_CONFIGURATION_PROTOCOL *EapConfig;
+ EFI_WIFI_PROFILE_SYNC_PROTOCOL *WiFiProfileSyncProtocol;
- Nic = NULL;
+ mWifiConnectionCount = 0;
+ Nic = NULL;
//
// Open Protocols
@@ -236,47 +243,73 @@ WifiMgrDxeDriverBindingStart (
InitializeListHead (&Nic->ProfileList);
//
- // Record the MAC address of the incoming NIC.
+ // WiFi profile sync protocol installation check for OS recovery flow.
//
- Status = NetLibGetMacAddress (
- ControllerHandle,
- (EFI_MAC_ADDRESS *)&Nic->MacAddress,
- &AddressSize
- );
- if (EFI_ERROR (Status)) {
- goto ERROR2;
- }
-
- //
- // Create and start the timer for the status check
- //
- Status = gBS->CreateEvent (
- EVT_NOTIFY_SIGNAL | EVT_TIMER,
- TPL_CALLBACK,
- WifiMgrOnTimerTick,
- Nic,
- &Nic->TickTimer
+ Status = gBS->LocateProtocol (
+ &gEfiWiFiProfileSyncProtocolGuid,
+ NULL,
+ (VOID **)&WiFiProfileSyncProtocol
);
- if (EFI_ERROR (Status)) {
- goto ERROR2;
- }
+ if (!EFI_ERROR (Status)) {
+ Nic->ConnectPendingNetwork = (WIFI_MGR_NETWORK_PROFILE *)AllocateZeroPool (sizeof (WIFI_MGR_NETWORK_PROFILE));
+ if (Nic->ConnectPendingNetwork == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto ERROR1;
+ }
- Status = gBS->SetTimer (Nic->TickTimer, TimerPeriodic, EFI_TIMER_PERIOD_MILLISECONDS (500));
- if (EFI_ERROR (Status)) {
- goto ERROR3;
- }
+ WiFiProfileSyncProtocol->WifiProfileSyncGetProfile (Nic->ConnectPendingNetwork, Nic->MacAddress);
+ if (Nic->ConnectPendingNetwork != NULL) {
+ Status = WifiMgrConnectToNetwork (Nic, Nic->ConnectPendingNetwork);
+ if (EFI_ERROR (Status)) {
+ WiFiProfileSyncProtocol->WifiProfileSyncSetConnectState (Status);
+ }
+ } else {
+ goto ERROR1;
+ }
+ } else {
+ //
+ // Record the MAC address of the incoming NIC.
+ //
+ Status = NetLibGetMacAddress (
+ ControllerHandle,
+ (EFI_MAC_ADDRESS *)&Nic->MacAddress,
+ &AddressSize
+ );
+ if (EFI_ERROR (Status)) {
+ goto ERROR2;
+ }
- Nic->ConnectState = WifiMgrDisconnected;
- Nic->ScanState = WifiMgrScanFinished;
+ //
+ // Create and start the timer for the status check
+ //
+ Status = gBS->CreateEvent (
+ EVT_NOTIFY_SIGNAL | EVT_TIMER,
+ TPL_CALLBACK,
+ WifiMgrOnTimerTick,
+ Nic,
+ &Nic->TickTimer
+ );
+ if (EFI_ERROR (Status)) {
+ goto ERROR2;
+ }
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
- InsertTailList (&mPrivate->NicList, &Nic->Link);
- Nic->NicIndex = mPrivate->NicCount++;
- if (mPrivate->CurrentNic == NULL) {
- mPrivate->CurrentNic = Nic;
- }
+ Status = gBS->SetTimer (Nic->TickTimer, TimerPeriodic, EFI_TIMER_PERIOD_MILLISECONDS (500));
+ if (EFI_ERROR (Status)) {
+ goto ERROR3;
+ }
- gBS->RestoreTPL (OldTpl);
+ Nic->ConnectState = WifiMgrDisconnected;
+ Nic->ScanState = WifiMgrScanFinished;
+
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
+ InsertTailList (&mPrivate->NicList, &Nic->Link);
+ Nic->NicIndex = mPrivate->NicCount++;
+ if (mPrivate->CurrentNic == NULL) {
+ mPrivate->CurrentNic = Nic;
+ }
+
+ gBS->RestoreTPL (OldTpl);
+ }
Status = gBS->InstallProtocolInterface (
&ControllerHandle,
@@ -385,10 +418,11 @@ WifiMgrDxeDriverBindingStop (
IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
)
{
- EFI_STATUS Status;
- EFI_TPL OldTpl;
- WIFI_MGR_PRIVATE_PROTOCOL *WifiMgrIdentifier;
- WIFI_MGR_DEVICE_DATA *Nic;
+ EFI_STATUS Status;
+ EFI_TPL OldTpl;
+ WIFI_MGR_PRIVATE_PROTOCOL *WifiMgrIdentifier;
+ WIFI_MGR_DEVICE_DATA *Nic;
+ EFI_WIFI_PROFILE_SYNC_PROTOCOL *WiFiProfileSyncProtocol;
Status = gBS->OpenProtocol (
ControllerHandle,
@@ -481,7 +515,15 @@ WifiMgrDxeDriverBindingStop (
//
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
- RemoveEntryList (&Nic->Link);
+ Status = gBS->LocateProtocol (
+ &gEfiWiFiProfileSyncProtocolGuid,
+ NULL,
+ (VOID **)&WiFiProfileSyncProtocol
+ );
+ if (EFI_ERROR (Status)) {
+ RemoveEntryList (&Nic->Link);
+ }
+
mPrivate->NicCount--;
if (mPrivate->CurrentNic == Nic) {
mPrivate->CurrentNic = NULL;
diff --git a/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrDxe.h b/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrDxe.h
index 7b2e41e155..047f85dbc2 100644
--- a/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrDxe.h
+++ b/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrDxe.h
@@ -47,6 +47,7 @@
#include <Protocol/SimpleNetwork.h>
#include <Protocol/SimpleFileSystem.h>
#include <Protocol/EapConfiguration.h>
+#include <Protocol/WiFiProfileSyncProtocol.h>
//
// Produced Protocols
@@ -73,7 +74,8 @@
//
#define WIFI_MGR_DXE_VERSION 0xb
-#define OUI_IEEE_80211I 0xAC0F00
+#define OUI_IEEE_80211I 0xAC0F00
+#define MAX_WIFI_CONNETION_ATTEMPTS 3
typedef enum {
Ieee80211PairwiseCipherSuiteUseGroupCipherSuite = 0,
diff --git a/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrImpl.c b/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrImpl.c
index 59bac48c42..a73ab9f710 100644
--- a/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrImpl.c
+++ b/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrImpl.c
@@ -19,6 +19,8 @@ EFI_EAP_TYPE mEapSecondAuthMethod[] = {
EFI_EAP_TYPE_MSCHAPV2
};
+UINT8 mWifiConnectionCount = 0;
+
/**
The callback function for scan operation. This function updates networks
according to the latest scan result, and trigger UI refresh.
@@ -424,18 +426,26 @@ WifiMgrConfigPassword (
return EFI_NOT_FOUND;
}
- AsciiPassword = AllocateZeroPool ((StrLen (Profile->Password) + 1) * sizeof (UINT8));
+ if (StrLen (Profile->Password) >= PASSWORD_STORAGE_SIZE) {
+ ASSERT (EFI_INVALID_PARAMETER);
+ return EFI_INVALID_PARAMETER;
+ }
+
+ AsciiPassword = AllocateZeroPool ((StrLen (Profile->Password) + 1) * sizeof (CHAR8));
if (AsciiPassword == NULL) {
return EFI_OUT_OF_RESOURCES;
}
- UnicodeStrToAsciiStrS (Profile->Password, (CHAR8 *)AsciiPassword, PASSWORD_STORAGE_SIZE);
- Status = Supplicant->SetData (
- Supplicant,
- EfiSupplicant80211PskPassword,
- AsciiPassword,
- (StrLen (Profile->Password) + 1) * sizeof (UINT8)
- );
+ Status = UnicodeStrToAsciiStrS (Profile->Password, (CHAR8 *)AsciiPassword, (StrLen (Profile->Password) + 1));
+ if (!EFI_ERROR (Status)) {
+ Status = Supplicant->SetData (
+ Supplicant,
+ EfiSupplicant80211PskPassword,
+ AsciiPassword,
+ (StrLen (Profile->Password) + 1) * sizeof (CHAR8)
+ );
+ }
+
ZeroMem (AsciiPassword, AsciiStrLen ((CHAR8 *)AsciiPassword) + 1);
FreePool (AsciiPassword);
@@ -466,6 +476,7 @@ WifiMgrConfigEap (
)
{
EFI_STATUS Status;
+ EFI_WIFI_PROFILE_SYNC_PROTOCOL *WiFiProfileSyncProtocol;
EFI_EAP_CONFIGURATION_PROTOCOL *EapConfig;
EFI_EAP_TYPE EapAuthMethod;
EFI_EAP_TYPE EapSecondAuthMethod;
@@ -567,7 +578,13 @@ WifiMgrConfigEap (
return EFI_OUT_OF_RESOURCES;
}
- UnicodeStrToAsciiStrS (Profile->EapIdentity, Identity, IdentitySize);
+ Status = gBS->LocateProtocol (&gEfiWiFiProfileSyncProtocolGuid, NULL, (VOID **)&WiFiProfileSyncProtocol);
+ if (!EFI_ERROR (Status)) {
+ CopyMem (Identity, &Profile->EapIdentity, IdentitySize);
+ } else {
+ UnicodeStrToAsciiStrS (Profile->EapIdentity, Identity, IdentitySize);
+ }
+
Status = EapConfig->SetData (
EapConfig,
EFI_EAP_TYPE_IDENTITY,
@@ -892,6 +909,133 @@ WifiMgrPrepareConnection (
return EFI_SUCCESS;
}
+/**
+ Will reset NiC data, get profile from profile sync driver, and send for
+ another connection attempt.This function should not be called more than
+ 3 times.
+
+ @param[in] WiFiProfileSyncProtocol The target network profile to connect.
+
+ @retval EFI_SUCCESS The operation is completed.
+ @retval other Operation failure.
+
+**/
+EFI_STATUS
+ConnectionRetry (
+ IN EFI_WIFI_PROFILE_SYNC_PROTOCOL *WiFiProfileSyncProtocol
+ )
+{
+ EFI_STATUS Status;
+ WIFI_MGR_DEVICE_DATA *Nic;
+ EFI_WIRELESS_MAC_CONNECTION_II_PROTOCOL *Wmp;
+ EFI_SUPPLICANT_PROTOCOL *Supplicant;
+ EFI_EAP_CONFIGURATION_PROTOCOL *EapConfig;
+
+ Nic = NULL;
+
+ Status = gBS->LocateProtocol (
+ &gEfiWiFi2ProtocolGuid,
+ NULL,
+ (VOID **)&Wmp
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = gBS->LocateProtocol (
+ &gEfiSupplicantProtocolGuid,
+ NULL,
+ (VOID **)&Supplicant
+ );
+ if (EFI_ERROR (Status)) {
+ Supplicant = NULL;
+ }
+
+ Status = gBS->LocateProtocol (
+ &gEfiEapConfigurationProtocolGuid,
+ NULL,
+ (VOID **)&EapConfig
+ );
+ if (EFI_ERROR (Status)) {
+ EapConfig = NULL;
+ }
+
+ //
+ // Initialize Nic device data
+ //
+ Nic = AllocateZeroPool (sizeof (WIFI_MGR_DEVICE_DATA));
+ if (Nic == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ return Status;
+ }
+
+ Nic->Signature = WIFI_MGR_DEVICE_DATA_SIGNATURE;
+ Nic->Private = mPrivate;
+ Nic->Wmp = Wmp;
+ Nic->Supplicant = Supplicant;
+ Nic->EapConfig = EapConfig;
+ Nic->UserSelectedProfile = NULL;
+ Nic->OneTimeScanRequest = FALSE;
+
+ if (Nic->Supplicant != NULL) {
+ Status = WifiMgrGetSupportedSuites (Nic);
+ }
+
+ if (!EFI_ERROR (Status)) {
+ InitializeListHead (&Nic->ProfileList);
+
+ Nic->ConnectPendingNetwork = (WIFI_MGR_NETWORK_PROFILE *)AllocateZeroPool (sizeof (WIFI_MGR_NETWORK_PROFILE));
+ if (Nic->ConnectPendingNetwork == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ DEBUG ((DEBUG_ERROR, "[WiFi Connection Manager] Failed to allocate memory for ConnectPendingNetwork\n"));
+ goto ERROR;
+ }
+
+ Status = WiFiProfileSyncProtocol->WifiProfileSyncGetProfile (Nic->ConnectPendingNetwork, Nic->MacAddress);
+ if (!EFI_ERROR (Status) && (Nic->ConnectPendingNetwork != NULL)) {
+ Status = WifiMgrConnectToNetwork (Nic, Nic->ConnectPendingNetwork);
+ if (!EFI_ERROR (Status)) {
+ return Status;
+ }
+ } else {
+ DEBUG ((DEBUG_ERROR, "[WiFi Connection Manager] Failed to get WiFi profile with status %r\n", Status));
+ }
+ } else {
+ DEBUG ((DEBUG_ERROR, "[WiFi Connection Manager] Failed to get Supported suites with status %r\n", Status));
+ }
+
+ if (Nic->ConnectPendingNetwork != NULL) {
+ if (Nic->ConnectPendingNetwork->Network.AKMSuite != NULL) {
+ FreePool (Nic->ConnectPendingNetwork->Network.AKMSuite);
+ }
+
+ if (Nic->ConnectPendingNetwork->Network.CipherSuite != NULL) {
+ FreePool (Nic->ConnectPendingNetwork->Network.CipherSuite);
+ }
+
+ FreePool (Nic->ConnectPendingNetwork);
+ }
+
+ERROR:
+ if (Nic->Supplicant != NULL) {
+ if (Nic->SupportedSuites.SupportedAKMSuites != NULL) {
+ FreePool (Nic->SupportedSuites.SupportedAKMSuites);
+ }
+
+ if (Nic->SupportedSuites.SupportedSwCipherSuites != NULL) {
+ FreePool (Nic->SupportedSuites.SupportedSwCipherSuites);
+ }
+
+ if (Nic->SupportedSuites.SupportedHwCipherSuites != NULL) {
+ FreePool (Nic->SupportedSuites.SupportedHwCipherSuites);
+ }
+ }
+
+ FreePool (Nic);
+
+ return Status;
+}
+
/**
The callback function for connect operation.
@@ -908,12 +1052,13 @@ WifiMgrOnConnectFinished (
IN VOID *Context
)
{
- EFI_STATUS Status;
- WIFI_MGR_MAC_CONFIG_TOKEN *ConfigToken;
- WIFI_MGR_NETWORK_PROFILE *ConnectedProfile;
- UINT8 SecurityType;
- UINT8 SSIdLen;
- CHAR8 *AsciiSSId;
+ EFI_STATUS Status;
+ WIFI_MGR_MAC_CONFIG_TOKEN *ConfigToken;
+ WIFI_MGR_NETWORK_PROFILE *ConnectedProfile;
+ UINT8 SecurityType;
+ UINT8 SSIdLen;
+ CHAR8 *AsciiSSId;
+ EFI_WIFI_PROFILE_SYNC_PROTOCOL *WiFiProfileSyncProtocol;
ASSERT (Context != NULL);
@@ -925,6 +1070,24 @@ WifiMgrOnConnectFinished (
ASSERT (ConfigToken->Type == TokenTypeConnectNetworkToken);
ASSERT (ConfigToken->Token.ConnectNetworkToken != NULL);
+
+ Status = gBS->LocateProtocol (&gEfiWiFiProfileSyncProtocolGuid, NULL, (VOID **)&WiFiProfileSyncProtocol);
+ if (!EFI_ERROR (Status)) {
+ WiFiProfileSyncProtocol->WifiProfileSyncSetConnectState (ConfigToken->Token.ConnectNetworkToken->ResultCode);
+ if ((mWifiConnectionCount < MAX_WIFI_CONNETION_ATTEMPTS) &&
+ (ConfigToken->Token.ConnectNetworkToken->ResultCode != ConnectSuccess))
+ {
+ mWifiConnectionCount++;
+ gBS->CloseEvent (Event);
+ Status = ConnectionRetry (WiFiProfileSyncProtocol);
+ if (!EFI_ERROR (Status)) {
+ return;
+ }
+
+ WiFiProfileSyncProtocol->WifiProfileSyncSetConnectState (Status);
+ }
+ }
+
if (ConfigToken->Token.ConnectNetworkToken->Status != EFI_SUCCESS) {
if (ConfigToken->Nic->OneTimeConnectRequest) {
//
diff --git a/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrMisc.c b/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrMisc.c
index 4ad5643c24..87adfc5033 100644
--- a/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrMisc.c
+++ b/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrMisc.c
@@ -672,10 +672,23 @@ WifiMgrCleanProfileSecrets (
IN WIFI_MGR_NETWORK_PROFILE *Profile
)
{
+ EFI_STATUS Status;
+ EFI_WIFI_PROFILE_SYNC_PROTOCOL *WiFiProfileSyncProtocol;
+
ZeroMem (Profile->Password, sizeof (CHAR16) * PASSWORD_STORAGE_SIZE);
ZeroMem (Profile->EapPassword, sizeof (CHAR16) * PASSWORD_STORAGE_SIZE);
ZeroMem (Profile->PrivateKeyPassword, sizeof (CHAR16) * PASSWORD_STORAGE_SIZE);
+ //
+ // When EFI WiFi profile sync protocol is found the system is performing a recovery boot in secure
+ // boot mode. The profile sync driver will manage the CA certificate, client certificate, and key
+ // data, cleaning them at exit boot services.
+ //
+ Status = gBS->LocateProtocol (&gEfiWiFiProfileSyncProtocolGuid, NULL, (VOID **)&WiFiProfileSyncProtocol);
+ if (!EFI_ERROR (Status)) {
+ return;
+ }
+
if (Profile->CACertData != NULL) {
ZeroMem (Profile->CACertData, Profile->CACertSize);
FreePool (Profile->CACertData);
--
2.37.3.windows.1
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-=-=-=-=-=-=-=-=-=-=-=-Hi Zachary,
Insert all my comments as below.
Besides: where defined this protocol (EFI_WIFI_PROFILE_SYNC_PROTOCOL)? I didn't find in the UEFI spec, in such a case, could we named it as EDKII_WIFI_PROFILE_SYNC_PROTOCOL? please add more description about the protocol usage.
Thanks,
Jiaxin
> +/**
> + Used by the WiFi connection manager to get the WiFi profile that AMT
> shared
> + and was stored in WiFi profile protocol. Aligns the AMT WiFi profile data to
> + the WiFi connection manager profile structure fo connection use.
> +
> + @param[in, out] WcmProfile WiFi Connection Manager profile
> structure
> + @param[in, out] MacAddress MAC address from AMT saved to NiC
> MAC address
> +
> + @retval EFI_SUCCESS Stored WiFi profile converted and returned
> succefully
> + @retval EFI_UNSUPPORTED Profile protocol sharing not supported or
> enabled
> + @retval EFI_NOT_FOUND No profiles to returned
> + @retval Others Error Occurred
> +**/
> +typedef
> +EFI_STATUS
> +(EFIAPI *WIFI_PROFILE_GET)(
> + IN OUT WIFI_MGR_NETWORK_PROFILE *Profile,
> + IN OUT EFI_80211_MAC_ADDRESS MacAddress
> + );
Does it mean the returned Profile is only for the returned MacAddress? Does it must 1:1 mapping??
Think more, Does AMT support maintain multiple mappings? Image we have multiple network socket, how AMT handle such case?
> +
> +/**
> + Saves the WiFi connection status recieved by the WiFiConnectionManager
> when
> + in a KVM OR One Click Recovery WLAN recovery flow. Input as
> + EFI_80211_CONNECT_NETWORK_RESULT_CODE then converted and
> stored as EFI_STATUS type.
> +
Why need stored as EFI_STATUS type since we have defined the EFI_80211_CONNECT_NETWORK_RESULT_CODE???
> + @param[in] ConnectionStatus WiFi connection attempt results
> +**/
> +typedef
> +VOID
> +(EFIAPI *WIFI_SET_CONNECT_STATE)(
> + IN EFI_80211_CONNECT_NETWORK_RESULT_CODE ConnectionStatus
> + );
> +
> +/**
> + Retrieves the stored WiFi connection status when in either KVM OR One
> Click
> + Recovery WLAN recovery flow.
> +
> + @retval EFI_SUCCESS WiFi connection completed succesfully
> + @retval Others Connection failure occurred
> +**/
> +typedef
> +EFI_STATUS
> +(EFIAPI *WIFI_GET_CONNECT_STATE)(
> + VOID
> + );
What's the output? Only EFI_STATUS? why not return the EFI_80211_CONNECT_NETWORK_RESULT_CODE? We should not mix the EFI_80211_CONNECT_NETWORK_RESULT_CODE & EFI_STATUS.
> +
> +//
> +// WiFi Profile Sync Protocol structure.
> +//
> +typedef struct {
> + UINT32 Revision;
> + WIFI_SET_CONNECT_STATE WifiProfileSyncSetConnectState;
> + WIFI_GET_CONNECT_STATE WifiProfileSyncGetConnectState;
> + WIFI_PROFILE_GET WifiProfileSyncGetProfile;
> +} EFI_WIFI_PROFILE_SYNC_PROTOCOL;
> +
Could we remove the prefix -- WifiProfileSync?
> Tests to see if this driver supports a given controller. If a child device is
> provided,
> it further tests to see if this driver supports creating a handle for the
> specified child device.
> @@ -167,8 +172,10 @@ WifiMgrDxeDriverBindingStart (
> EFI_WIRELESS_MAC_CONNECTION_II_PROTOCOL *Wmp;
> EFI_SUPPLICANT_PROTOCOL *Supplicant;
> EFI_EAP_CONFIGURATION_PROTOCOL *EapConfig;
> + EFI_WIFI_PROFILE_SYNC_PROTOCOL *WiFiProfileSyncProtocol;
>
> - Nic = NULL;
> + mWifiConnectionCount = 0;
> + Nic = NULL;
>
> //
> // Open Protocols
> @@ -236,47 +243,73 @@ WifiMgrDxeDriverBindingStart (
> InitializeListHead (&Nic->ProfileList);
>
> //
> - // Record the MAC address of the incoming NIC.
> + // WiFi profile sync protocol installation check for OS recovery flow.
> //
> - Status = NetLibGetMacAddress (
> - ControllerHandle,
> - (EFI_MAC_ADDRESS *)&Nic->MacAddress,
> - &AddressSize
> - );
> - if (EFI_ERROR (Status)) {
> - goto ERROR2;
> - }
> -
> - //
> - // Create and start the timer for the status check
> - //
> - Status = gBS->CreateEvent (
> - EVT_NOTIFY_SIGNAL | EVT_TIMER,
> - TPL_CALLBACK,
> - WifiMgrOnTimerTick,
> - Nic,
> - &Nic->TickTimer
> + Status = gBS->LocateProtocol (
> + &gEfiWiFiProfileSyncProtocolGuid,
> + NULL,
> + (VOID **)&WiFiProfileSyncProtocol
> );
> - if (EFI_ERROR (Status)) {
> - goto ERROR2;
> - }
> + if (!EFI_ERROR (Status)) {
> + Nic->ConnectPendingNetwork = (WIFI_MGR_NETWORK_PROFILE
> *)AllocateZeroPool (sizeof (WIFI_MGR_NETWORK_PROFILE));
> + if (Nic->ConnectPendingNetwork == NULL) {
> + Status = EFI_OUT_OF_RESOURCES;
> + goto ERROR1;
> + }
>
> - Status = gBS->SetTimer (Nic->TickTimer, TimerPeriodic,
> EFI_TIMER_PERIOD_MILLISECONDS (500));
> - if (EFI_ERROR (Status)) {
> - goto ERROR3;
> - }
> + WiFiProfileSyncProtocol->WifiProfileSyncGetProfile (Nic-
> >ConnectPendingNetwork, Nic->MacAddress);
This is incorrect! With this change, you might map the profile to the wrong ControllerHandle with incorrect Nic->MacAddress since this is called in the driver binging start, each NIC device will map to the same the MacAddress from the WifiProfileSync protocol!
> + if (Nic->ConnectPendingNetwork != NULL) {
> + Status = WifiMgrConnectToNetwork (Nic, Nic-
> >ConnectPendingNetwork);
Why we need do this? because we have defined the timer for the connection. See the WifiMgrOnTimerTick().
> + if (EFI_ERROR (Status)) {
> + WiFiProfileSyncProtocol->WifiProfileSyncSetConnectState (Status);
> + }
> + } else {
> + goto ERROR1;
> + }
Could we refine the if... else logic? For example,
If (Error) {
goto ERROR1;
}
Then do the right things. Existing patch has too much if else condition.
> + } else {
> + //
> + // Record the MAC address of the incoming NIC.
> + //
> }
>
> - AsciiPassword = AllocateZeroPool ((StrLen (Profile->Password) + 1) * sizeof
> (UINT8));
> + if (StrLen (Profile->Password) >= PASSWORD_STORAGE_SIZE) {
> + ASSERT (EFI_INVALID_PARAMETER);
> + return EFI_INVALID_PARAMETER;
> + }
> +
> + AsciiPassword = AllocateZeroPool ((StrLen (Profile->Password) + 1) *
> sizeof (CHAR8));
> if (AsciiPassword == NULL) {
> return EFI_OUT_OF_RESOURCES;
> }
>
> - UnicodeStrToAsciiStrS (Profile->Password, (CHAR8 *)AsciiPassword,
> PASSWORD_STORAGE_SIZE);
> - Status = Supplicant->SetData (
> - Supplicant,
> - EfiSupplicant80211PskPassword,
> - AsciiPassword,
> - (StrLen (Profile->Password) + 1) * sizeof (UINT8)
> - );
> + Status = UnicodeStrToAsciiStrS (Profile->Password, (CHAR8
> *)AsciiPassword, (StrLen (Profile->Password) + 1));
> + if (!EFI_ERROR (Status)) {
> + Status = Supplicant->SetData (
> + Supplicant,
> + EfiSupplicant80211PskPassword,
> + AsciiPassword,
> + (StrLen (Profile->Password) + 1) * sizeof (CHAR8)
> + );
> + }
> +
> ZeroMem (AsciiPassword, AsciiStrLen ((CHAR8 *)AsciiPassword) + 1);
> FreePool (AsciiPassword);
>
Looks above change is not related to the changes! could we separate to another patch?
> +
> +**/
> +EFI_STATUS
> + ConnectionRetry (
> + IN EFI_WIFI_PROFILE_SYNC_PROTOCOL *WiFiProfileSyncProtocol
> + )
> +{
Why need ConnectionRetry?
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Thank you Jiaxin,
Find my responses inline.
An updated patch with requested changes is in route today.
Thanks,
Zack
-----Original Message-----
From: Wu, Jiaxin <jiaxin.wu@intel.com>
Sent: Thursday, January 5, 2023 9:09 PM
To: Clark-williams, Zachary <zachary.clark-williams@intel.com>; devel@edk2.groups.io; Kinney, Michael D <michael.d.kinney@intel.com>
Cc: Zachary Clark-Williams <zclarkw112@gmail.com>; Maciej Rabeda <maciej.rabeda@linux.intel.com>; Otcheretianski, Andrei <andrei.otcheretianski@intel.com>; Zeng, Star <star.zeng@intel.com>
Subject: RE: [PATCH] NetworkPkg: Add WiFi profile sync protocol support
Hi Zachary,
Insert all my comments as below.
Besides: where defined this protocol (EFI_WIFI_PROFILE_SYNC_PROTOCOL)? I didn't find in the UEFI spec, in such a case, could we named it as EDKII_WIFI_PROFILE_SYNC_PROTOCOL? please add more description about the protocol usage.
- Yes, Will update naming convention
Thanks,
Jiaxin
> +/**
> + Used by the WiFi connection manager to get the WiFi profile that
> +AMT
> shared
> + and was stored in WiFi profile protocol. Aligns the AMT WiFi
> + profile data to the WiFi connection manager profile structure fo connection use.
> +
> + @param[in, out] WcmProfile WiFi Connection Manager profile
> structure
> + @param[in, out] MacAddress MAC address from AMT saved to NiC
> MAC address
> +
> + @retval EFI_SUCCESS Stored WiFi profile converted and returned
> succefully
> + @retval EFI_UNSUPPORTED Profile protocol sharing not supported or
> enabled
> + @retval EFI_NOT_FOUND No profiles to returned
> + @retval Others Error Occurred
> +**/
> +typedef
> +EFI_STATUS
> +(EFIAPI *WIFI_PROFILE_GET)(
> + IN OUT WIFI_MGR_NETWORK_PROFILE *Profile,
> + IN OUT EFI_80211_MAC_ADDRESS MacAddress
> + );
Does it mean the returned Profile is only for the returned MacAddress? Does it must 1:1 mapping??
* No, this is an Input and Output because we are both fulfilling the WiFi profile data, converting it from the AMT structure to the WifiConnectionManager structure. The MAC address is stored in a separate place In the Nic than the profile data so we pass both locations so we don't need to send the full Nic just these 2 data structure locations.
This is necessary as we need consistency in the MAC from AMT to correspond with the Profile data.
Think more, Does AMT support maintain multiple mappings? Image we have multiple network socket, how AMT handle such case?
* At this point the AMT and CSME doe not support multiple NiC's, or WiFi cards for this process. There will be one NiC, 1 Card and 1 Profile used to keep secrets secure.
> +
> +/**
> + Saves the WiFi connection status recieved by the
> +WiFiConnectionManager
> when
> + in a KVM OR One Click Recovery WLAN recovery flow. Input as
> + EFI_80211_CONNECT_NETWORK_RESULT_CODE then converted and
> stored as EFI_STATUS type.
> +
Why need stored as EFI_STATUS type since we have defined the EFI_80211_CONNECT_NETWORK_RESULT_CODE???
* This is necessary to decouple the code for more modularity, otherwise we would have cross-repo dependencies and very very ugly mess of code. This conversion is simpler and cleaner.
> + @param[in] ConnectionStatus WiFi connection attempt results
> +**/
> +typedef
> +VOID
> +(EFIAPI *WIFI_SET_CONNECT_STATE)(
> + IN EFI_80211_CONNECT_NETWORK_RESULT_CODE ConnectionStatus
> + );
> +
> +/**
> + Retrieves the stored WiFi connection status when in either KVM OR
> +One
> Click
> + Recovery WLAN recovery flow.
> +
> + @retval EFI_SUCCESS WiFi connection completed succesfully
> + @retval Others Connection failure occurred
> +**/
> +typedef
> +EFI_STATUS
> +(EFIAPI *WIFI_GET_CONNECT_STATE)(
> + VOID
> + );
What's the output? Only EFI_STATUS? why not return the EFI_80211_CONNECT_NETWORK_RESULT_CODE? We should not mix the EFI_80211_CONNECT_NETWORK_RESULT_CODE & EFI_STATUS.
* See answer to previous
> +
> +//
> +// WiFi Profile Sync Protocol structure.
> +//
> +typedef struct {
> + UINT32 Revision;
> + WIFI_SET_CONNECT_STATE WifiProfileSyncSetConnectState;
> + WIFI_GET_CONNECT_STATE WifiProfileSyncGetConnectState;
> + WIFI_PROFILE_GET WifiProfileSyncGetProfile;
> +} EFI_WIFI_PROFILE_SYNC_PROTOCOL;
> +
Could we remove the prefix -- WifiProfileSync?
* Great call, update and in next patch
> Tests to see if this driver supports a given controller. If a child
> device is provided,
> it further tests to see if this driver supports creating a handle
> for the specified child device.
> @@ -167,8 +172,10 @@ WifiMgrDxeDriverBindingStart (
> EFI_WIRELESS_MAC_CONNECTION_II_PROTOCOL *Wmp;
> EFI_SUPPLICANT_PROTOCOL *Supplicant;
> EFI_EAP_CONFIGURATION_PROTOCOL *EapConfig;
> + EFI_WIFI_PROFILE_SYNC_PROTOCOL *WiFiProfileSyncProtocol;
>
> - Nic = NULL;
> + mWifiConnectionCount = 0;
> + Nic = NULL;
>
> //
> // Open Protocols
> @@ -236,47 +243,73 @@ WifiMgrDxeDriverBindingStart (
> InitializeListHead (&Nic->ProfileList);
>
> //
> - // Record the MAC address of the incoming NIC.
> + // WiFi profile sync protocol installation check for OS recovery flow.
> //
> - Status = NetLibGetMacAddress (
> - ControllerHandle,
> - (EFI_MAC_ADDRESS *)&Nic->MacAddress,
> - &AddressSize
> - );
> - if (EFI_ERROR (Status)) {
> - goto ERROR2;
> - }
> -
> - //
> - // Create and start the timer for the status check
> - //
> - Status = gBS->CreateEvent (
> - EVT_NOTIFY_SIGNAL | EVT_TIMER,
> - TPL_CALLBACK,
> - WifiMgrOnTimerTick,
> - Nic,
> - &Nic->TickTimer
> + Status = gBS->LocateProtocol (
> + &gEfiWiFiProfileSyncProtocolGuid,
> + NULL,
> + (VOID **)&WiFiProfileSyncProtocol
> );
> - if (EFI_ERROR (Status)) {
> - goto ERROR2;
> - }
> + if (!EFI_ERROR (Status)) {
> + Nic->ConnectPendingNetwork = (WIFI_MGR_NETWORK_PROFILE
> *)AllocateZeroPool (sizeof (WIFI_MGR_NETWORK_PROFILE));
> + if (Nic->ConnectPendingNetwork == NULL) {
> + Status = EFI_OUT_OF_RESOURCES;
> + goto ERROR1;
> + }
>
> - Status = gBS->SetTimer (Nic->TickTimer, TimerPeriodic,
> EFI_TIMER_PERIOD_MILLISECONDS (500));
> - if (EFI_ERROR (Status)) {
> - goto ERROR3;
> - }
> + WiFiProfileSyncProtocol->WifiProfileSyncGetProfile (Nic-
> >ConnectPendingNetwork, Nic->MacAddress);
This is incorrect! With this change, you might map the profile to the wrong ControllerHandle with incorrect Nic->MacAddress since this is called in the driver binging start, each NIC device will map to the same the MacAddress from the WifiProfileSync protocol!
* There will only be 1 NiC in this operation and so no miss-mapping will occur.
> + if (Nic->ConnectPendingNetwork != NULL) {
> + Status = WifiMgrConnectToNetwork (Nic, Nic-
> >ConnectPendingNetwork);
Why we need do this? because we have defined the timer for the connection. See the WifiMgrOnTimerTick().
* We do not want to scan for a profile, we only want to use the profile provided by AMT. so we bypass the timer scanning and jump to the connection with the profile.
> + if (EFI_ERROR (Status)) {
> + WiFiProfileSyncProtocol->WifiProfileSyncSetConnectState (Status);
> + }
> + } else {
> + goto ERROR1;
> + }
Could we refine the if... else logic? For example, If (Error) {
goto ERROR1;
}
Then do the right things. Existing patch has too much if else condition.
* Great coding improvement point, updated and in next patch
> + } else {
> + //
> + // Record the MAC address of the incoming NIC.
> + //
> }
>
> - AsciiPassword = AllocateZeroPool ((StrLen (Profile->Password) + 1)
> * sizeof (UINT8));
> + if (StrLen (Profile->Password) >= PASSWORD_STORAGE_SIZE) {
> + ASSERT (EFI_INVALID_PARAMETER);
> + return EFI_INVALID_PARAMETER;
> + }
> +
> + AsciiPassword = AllocateZeroPool ((StrLen (Profile->Password) + 1)
> + *
> sizeof (CHAR8));
> if (AsciiPassword == NULL) {
> return EFI_OUT_OF_RESOURCES;
> }
>
> - UnicodeStrToAsciiStrS (Profile->Password, (CHAR8 *)AsciiPassword,
> PASSWORD_STORAGE_SIZE);
> - Status = Supplicant->SetData (
> - Supplicant,
> - EfiSupplicant80211PskPassword,
> - AsciiPassword,
> - (StrLen (Profile->Password) + 1) * sizeof (UINT8)
> - );
> + Status = UnicodeStrToAsciiStrS (Profile->Password, (CHAR8
> *)AsciiPassword, (StrLen (Profile->Password) + 1));
> + if (!EFI_ERROR (Status)) {
> + Status = Supplicant->SetData (
> + Supplicant,
> + EfiSupplicant80211PskPassword,
> + AsciiPassword,
> + (StrLen (Profile->Password) + 1) * sizeof (CHAR8)
> + );
> + }
> +
> ZeroMem (AsciiPassword, AsciiStrLen ((CHAR8 *)AsciiPassword) + 1);
> FreePool (AsciiPassword);
>
Looks above change is not related to the changes! could we separate to another patch?
* These status checks and alignments are necessary for proper operating functionality. They've been tested and validated with this code. It can and should be merged here as it was changed and tested with this feature change.
> +
> +**/
> +EFI_STATUS
> + ConnectionRetry (
> + IN EFI_WIFI_PROFILE_SYNC_PROTOCOL *WiFiProfileSyncProtocol
> + )
> +{
Why need ConnectionRetry?
* This is a feature definition addition to the flow of the WLAN recovery. If an error occurs the system will retry connection 3 times incase of connection interruption.
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