NetworkPkg/DnsDxe: Fix zero StationIp configuration failure of DNSv6
According UEFI Spec, set to zero StationIp means to let the underlying IPv6 driver choose a source address. But currently, DNSv6 always return EFI_NO_MAPPING. The issue is caused by below bugs in DnsDxe: * Incorrect TPL(TPL_CALLBACK) usage during UDP configuration. * Failed to create the timer used to get IPv6 mapping * Doesn't check the Ip6Mode.IsStarted flag. Cc: Zhang Lubo <lubo.zhang@intel.com> 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: Zhang Lubo <lubo.zhang@intel.com>
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@@ -1,7 +1,7 @@
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/** @file
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DnsDxe support functions implementation.
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Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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@@ -643,9 +643,11 @@ Dns6GetMapping (
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FreePool (Ip6Mode.IcmpTypeList);
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}
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if (Ip6Mode.IsConfigured) {
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if (!Ip6Mode.IsStarted || Ip6Mode.IsConfigured) {
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Udp->Configure (Udp, NULL);
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return (BOOLEAN) (Udp->Configure (Udp, UdpCfgData) == EFI_SUCCESS);
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if (Udp->Configure (Udp, UdpCfgData) == EFI_SUCCESS) {
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return TRUE;
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}
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}
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}
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}
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