zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/arch/arm/lib/csumipv6.S b/ap/os/linux/linux-3.4.x/arch/arm/lib/csumipv6.S
new file mode 100644
index 0000000..3ac6ef0
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/arch/arm/lib/csumipv6.S
@@ -0,0 +1,33 @@
+/*
+ * linux/arch/arm/lib/csumipv6.S
+ *
+ * Copyright (C) 1995-1998 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+
+ .text
+
+ENTRY(__csum_ipv6_magic)
+ str lr, [sp, #-4]!
+ adds ip, r2, r3
+ ldmia r1, {r1 - r3, lr}
+ adcs ip, ip, r1
+ adcs ip, ip, r2
+ adcs ip, ip, r3
+ adcs ip, ip, lr
+ ldmia r0, {r0 - r3}
+ adcs r0, ip, r0
+ adcs r0, r0, r1
+ adcs r0, r0, r2
+ ldr r2, [sp, #4]
+ adcs r0, r0, r3
+ adcs r0, r0, r2
+ adcs r0, r0, #0
+ ldmfd sp!, {pc}
+ENDPROC(__csum_ipv6_magic)
+