{
return (__force __sum16)~do_csum(buff, len);
}
+EXPORT_SYMBOL(ip_compute_csum);
/*
* copy from fs while checksumming, otherwise like csum_partial
memcpy(dst, (__force void *)src, len);
return csum_partial(dst, len, sum);
}
+EXPORT_SYMBOL(csum_partial_copy_from_user);
/*
* copy from ds while checksumming, otherwise like csum_partial