@@ -238,4 +238,15 @@ static inline __sum16 ip_compute_csum(const void *buff, int len)
return csum_fold(csum_partial(buff, len, 0));
}
+#define HAVE_ARCH_CSUM_ADD
+static inline __wsum csum_add(__wsum csum, __wsum addend)
+{
+ __asm__ __volatile__(
+" addcc %0, %1, %0\n"
+" addx %0, %%g0, %0"
+ : "=r" (csum)
+ : "r" (addend), "0" (csum));
+ return csum;
+}
+
#endif /* !(__SPARC_CHECKSUM_H) */
@@ -164,4 +164,15 @@ static inline __sum16 ip_compute_csum(const void *buff, int len)
return csum_fold(csum_partial(buff, len, 0));
}
+#define HAVE_ARCH_CSUM_ADD
+static inline __wsum csum_add(__wsum csum, __wsum addend)
+{
+ __asm__ __volatile__(
+" addcc %0, %1, %0\n"
+" addc %0, %%g0, %0"
+ : "=r" (csum)
+ : "r" (addend), "0" (csum));
+ return csum;
+}
+
#endif /* !(__SPARC64_CHECKSUM_H) */