Got it !

-----Original Message-----
From: Wu, Jiaxin 
Sent: Tuesday, July 14, 2015 10:14 AM
To: Fu, Siyuan; Zhang, Lubo; Ye, Ting; edk2-devel@lists.sourceforge.net
Subject: RE: [patch] NetworkPkg: Fix an error that the call function declared 
implicitly.

Siyuan, you are right, That is a good suggestion. 

Lubo, you can revise the patch to v2 according to Siyuan's opinion. 

-----Original Message-----
From: Fu, Siyuan
Sent: Tuesday, July 14, 2015 10:09 AM
To: Wu, Jiaxin; Zhang, Lubo; Ye, Ting; edk2-devel@lists.sourceforge.net
Subject: RE: [patch] NetworkPkg: Fix an error that the call function declared 
implicitly.

Jiaxin

A soft network stack driver should not depend on a platform specific API. If 
it's just a random number to identify the message, you could use the NetLib API 
NetRandomInitSeed(). 

-----Original Message-----
From: Wu, Jiaxin
Sent: Tuesday, July 14, 2015 10:04 AM
To: Fu, Siyuan; Zhang, Lubo; Ye, Ting; edk2-devel@lists.sourceforge.net
Subject: RE: [patch] NetworkPkg: Fix an error that the call function declared 
implicitly.

It's used to generate any kind of query. This value should be a random value, 
so TSC register maybe called.

-----Original Message-----
From: Fu, Siyuan
Sent: Tuesday, July 14, 2015 9:55 AM
To: Zhang, Lubo; Ye, Ting; Wu, Jiaxin; edk2-devel@lists.sourceforge.net
Subject: RE: [patch] NetworkPkg: Fix an error that the call function declared 
implicitly.

Lubo,

What's the DnsHeader->Identification means? Why it use the value of TSC 
register?

Siyuan

-----Original Message-----
From: Zhang, Lubo
Sent: Tuesday, July 14, 2015 9:50 AM
To: Fu, Siyuan; Ye, Ting; Wu, Jiaxin; edk2-devel@lists.sourceforge.net
Subject: [patch] NetworkPkg: Fix an error that the call function declared 
implicitly.

AsmReadTsc() implementation which is decelerated in BaseLib.h covers both IA32, 
X64 and IPF architecture, so it should specify which implementation to use when 
invoked.
 1. Different Macro definition in DnsImpl.c to specify the implementation. 
 2. Modefy the NetworkPkg.dsc file to let the DnsDxe.inf is effective to 
different Arch.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Zhang Lubo <lubo.zh...@intel.com>
---
 NetworkPkg/DnsDxe/DnsImpl.c | 23 ++++++++++++++++++++++-
 NetworkPkg/NetworkPkg.dsc   |  2 +-
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/NetworkPkg/DnsDxe/DnsImpl.c b/NetworkPkg/DnsDxe/DnsImpl.c index 
b196d18..93b1835 100644
--- a/NetworkPkg/DnsDxe/DnsImpl.c
+++ b/NetworkPkg/DnsDxe/DnsImpl.c
@@ -13,10 +13,31 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER 
EXPRESS OR IMPLIED.
 **/
 
 #include "DnsImpl.h"
 
 /**
+  Reads the current value of Time Stamp Counter (TSC) or the Interval 
+ Timer Counter Register (ITC)
+
+  @return The current value of TSC or ITC
+
+**/
+
+UINT64
+ReadTime (
+  VOID
+  )
+{
+#if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)
+  return AsmReadTsc ();
+#elif defined (MDE_CPU_IPF)
+  return AsmReadItc ();
+#else
+#error ReadTime not supported for this architecture!
+#endif
+}
+
+/**
   Remove TokenEntry from TokenMap.
 
   @param[in] TokenMap          All DNSv4 Token entrys.
   @param[in] TokenEntry        TokenEntry need to be removed.
 
@@ -1573,11 +1594,11 @@ ConstructDNSQueryIp (
 
   //
   // Fill header
   //
   DnsHeader = (DNS_HEADER *)Frag.Bulk;
-  DnsHeader->Identification = (UINT16)AsmReadTsc ();
+  DnsHeader->Identification = (UINT16)ReadTime();
   DnsHeader->Flags.Uint16 = 0x0000;
   DnsHeader->Flags.Bits.RD = 1;
   DnsHeader->Flags.Bits.OpCode = DNS_FLAGS_OPCODE_STANDARD;
   DnsHeader->Flags.Bits.QR = DNS_FLAGS_QR_QUERY;
   DnsHeader->QuestionsNum = 1;
diff --git a/NetworkPkg/NetworkPkg.dsc b/NetworkPkg/NetworkPkg.dsc index 
1d7fd85..11e0ce0 100644
--- a/NetworkPkg/NetworkPkg.dsc
+++ b/NetworkPkg/NetworkPkg.dsc
@@ -98,11 +98,10 @@
   NetworkPkg/Ip6Dxe/Ip6Dxe.inf
   NetworkPkg/TcpDxe/TcpDxe.inf
   NetworkPkg/Udp6Dxe/Udp6Dxe.inf
   NetworkPkg/Dhcp6Dxe/Dhcp6Dxe.inf
   NetworkPkg/Mtftp6Dxe/Mtftp6Dxe.inf
-  NetworkPkg/DnsDxe/DnsDxe.inf
   NetworkPkg/HttpDxe/HttpDxe.inf
   NetworkPkg/HttpBootDxe/HttpBootDxe.inf
 
   NetworkPkg/Application/IfConfig6/IfConfig6.inf
   NetworkPkg/Application/IpsecConfig/IpSecConfig.inf
@@ -111,5 +110,6 @@
 [Components.IA32, Components.X64, Components.IPF]
   NetworkPkg/IpSecDxe/IpSecDxe.inf
   NetworkPkg/IScsiDxe/IScsiDxe.inf
   NetworkPkg/UefiPxeBcDxe/UefiPxeBcDxe.inf
   NetworkPkg/Application/Ping6/Ping6.inf
+  NetworkPkg/DnsDxe/DnsDxe.inf
--
1.9.5.msysgit.1



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