1 files changed, 19 insertions, 0 deletions
diff --git a/arch/x86/um/asm/checksum_64.h b/arch/x86/um/asm/checksum_64.h
new file mode 100644
index 000000000..7b6cd1921
--- /dev/null
+++ b/arch/x86/um/asm/checksum_64.h
@@ -0,0 +1,19 @@
+/*
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_SYSDEP_CHECKSUM_H
+#define __UM_SYSDEP_CHECKSUM_H
+
+static inline unsigned add32_with_carry(unsigned a, unsigned b)
+{
+        asm("addl %2,%0\n\t"
+            "adcl $0,%0"
+            : "=r" (a)
+            : "0" (a), "r" (b));
+        return a;
+}
+
+extern __sum16 ip_compute_csum(const void *buff, int len);
+
+#endif