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MdePkg/UefiDevicePathLib: Add DevPathFromTextDns and DevPathToTextDns libraries

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V3:
* Fix the bug in DevPathFromTextDns()

V2:
* Add no IP instance case check.

Cc: Ye Ting <ting.ye@intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Wu Jiaxin <jiaxin.wu@intel.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
(cherry picked from commit 9b9d0655c1)
This commit is contained in:
Jiaxin Wu
2017-07-25 11:08:16 +08:00
parent 4a387664ca
commit 3ae5a3f64a
2 changed files with 139 additions and 0 deletions
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46
MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
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@@ -1696,6 +1696,51 @@ DevPathToTextBluetoothLE (
);
}
/**
Converts a DNS device path structure to its string representative.
@param Str The string representative of input device.
@param DevPath The input device path structure.
@param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
of the display node is used, where applicable. If DisplayOnly
is FALSE, then the longer text representation of the display node
is used.
@param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
representation for a device node can be used, where applicable.
**/
VOID
DevPathToTextDns (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath,
IN BOOLEAN DisplayOnly,
IN BOOLEAN AllowShortcuts
)
{
DNS_DEVICE_PATH *DnsDevPath;
UINT32 DnsServerIpCount;
UINT32 DnsServerIpIndex;
DnsDevPath = DevPath;
DnsServerIpCount = (UINT32) (DevicePathNodeLength(DnsDevPath) - sizeof (EFI_DEVICE_PATH_PROTOCOL) - sizeof (DnsDevPath->IsIPv6)) / sizeof (EFI_IP_ADDRESS);
UefiDevicePathLibCatPrint (Str, L"Dns(");
for (DnsServerIpIndex = 0; DnsServerIpIndex < DnsServerIpCount; DnsServerIpIndex++) {
if (DnsDevPath->IsIPv6 == 0x00) {
CatIPv4Address (Str, &(DnsDevPath->DnsServerIp[DnsServerIpIndex].v4));
} else {
CatIPv6Address (Str, &(DnsDevPath->DnsServerIp[DnsServerIpIndex].v6));
}
if (DnsServerIpIndex < DnsServerIpCount - 1) {
UefiDevicePathLibCatPrint (Str, L",");
}
}
UefiDevicePathLibCatPrint (Str, L")");
}
/**
Converts a URI device path structure to its string representative.
@@ -2225,6 +2270,7 @@ GLOBAL_REMOVE_IF_UNREFERENCED const DEVICE_PATH_TO_TEXT_TABLE mUefiDevicePathLib
{MESSAGING_DEVICE_PATH, MSG_VENDOR_DP, DevPathToTextVendor },
{MESSAGING_DEVICE_PATH, MSG_ISCSI_DP, DevPathToTextiSCSI },
{MESSAGING_DEVICE_PATH, MSG_VLAN_DP, DevPathToTextVlan },
{MESSAGING_DEVICE_PATH, MSG_DNS_DP, DevPathToTextDns },
{MESSAGING_DEVICE_PATH, MSG_URI_DP, DevPathToTextUri },
{MESSAGING_DEVICE_PATH, MSG_BLUETOOTH_DP, DevPathToTextBluetooth },
{MESSAGING_DEVICE_PATH, MSG_WIFI_DP, DevPathToTextWiFi },