Lines Matching refs:sum
21 extern __wsum csum_partial(const void *buff, int len, __wsum sum);
31 static inline __sum16 csum_fold(__wsum sum) in csum_fold() argument
36 : "=r" (sum) in csum_fold()
37 : "r" ((__force u32)sum << 16), in csum_fold()
38 "0" ((__force u32)sum & 0xffff0000) in csum_fold()
40 return (__force __sum16)(~(__force u32)sum >> 16); in csum_fold()
56 __u8 proto, __wsum sum) in csum_tcpudp_nofold() argument
62 : "=r" (sum) in csum_tcpudp_nofold()
63 : "g" (daddr), "g" (saddr), "g" ((len + proto) << 8), "0" (sum)); in csum_tcpudp_nofold()
64 return sum; in csum_tcpudp_nofold()
73 __wsum sum) in csum_tcpudp_magic() argument
75 return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); in csum_tcpudp_magic()
85 unsigned int sum; in ip_fast_csum() local
107 : "=r" (sum), "=r" (iph), "=r" (ihl) in ip_fast_csum()
110 return (__force __sum16)sum; in ip_fast_csum()