#define inet_proto_csum_replace2(sum, skb, from, to, pseudohdr) \
inet_proto_csum_replace4(sum, skb, (__force __be32)(from), \
(__force __be32)(to), pseudohdr)
#define inet_proto_csum_replace2(sum, skb, from, to, pseudohdr) \
inet_proto_csum_replace4(sum, skb, (__force __be32)(from), \
(__force __be32)(to), pseudohdr)