NetworkPkg: Fix an error that the call function declared implicitly.

Use NetRandomInitSeed() instead of AsmReadTsc() to generate
a random seed.
Macro definition of EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE for EBC architecture.
Add some space to make codes more standard.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Zhang Lubo <lubo.zhang@intel.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: jiaxinwu <jiaxin.wu@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17941 6f19259b-4bc3-4df7-8a09-765794883524
diff --git a/NetworkPkg/DnsDxe/DnsImpl.c b/NetworkPkg/DnsDxe/DnsImpl.c
index b196d18..42d51f0 100644
--- a/NetworkPkg/DnsDxe/DnsImpl.c
+++ b/NetworkPkg/DnsDxe/DnsImpl.c
@@ -1574,8 +1574,8 @@
   //

   // Fill header

   //

-  DnsHeader = (DNS_HEADER *)Frag.Bulk; 

-  DnsHeader->Identification = (UINT16)AsmReadTsc ();

+  DnsHeader = (DNS_HEADER *) Frag.Bulk; 

+  DnsHeader->Identification = (UINT16)NET_RANDOM (NetRandomInitSeed());

   DnsHeader->Flags.Uint16 = 0x0000;

   DnsHeader->Flags.Bits.RD = 1;

   DnsHeader->Flags.Bits.OpCode = DNS_FLAGS_OPCODE_STANDARD;

@@ -1585,12 +1585,12 @@
   DnsHeader->AuthorityNum = 0;

   DnsHeader->AditionalNum = 0;

 

-  DnsHeader->Identification = HTONS(DnsHeader->Identification);

-  DnsHeader->Flags.Uint16 = HTONS(DnsHeader->Flags.Uint16);

-  DnsHeader->QuestionsNum = HTONS(DnsHeader->QuestionsNum);

-  DnsHeader->AnswersNum = HTONS(DnsHeader->AnswersNum);

-  DnsHeader->AuthorityNum = HTONS(DnsHeader->AuthorityNum);

-  DnsHeader->AditionalNum = HTONS(DnsHeader->AditionalNum);

+  DnsHeader->Identification = HTONS (DnsHeader->Identification);

+  DnsHeader->Flags.Uint16 = HTONS (DnsHeader->Flags.Uint16);

+  DnsHeader->QuestionsNum = HTONS (DnsHeader->QuestionsNum);

+  DnsHeader->AnswersNum = HTONS (DnsHeader->AnswersNum);

+  DnsHeader->AuthorityNum = HTONS (DnsHeader->AuthorityNum);

+  DnsHeader->AditionalNum = HTONS (DnsHeader->AditionalNum);

 

   Frag.Len = sizeof (*DnsHeader);

 

diff --git a/NetworkPkg/HttpBootDxe/HttpBootDhcp4.h b/NetworkPkg/HttpBootDxe/HttpBootDhcp4.h
index 42a3874..47e07aa 100644
--- a/NetworkPkg/HttpBootDxe/HttpBootDhcp4.h
+++ b/NetworkPkg/HttpBootDxe/HttpBootDhcp4.h
@@ -82,6 +82,8 @@
 #define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE    0x0012
 #elif defined (MDE_CPU_AARCH64)
 #define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE    0x0013
+#elif defined (MDE_CPU_EBC)
+#define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE    0x0011
 #endif
 
 /// DHCP offer types among HTTP boot.