Lines Matching refs:sum
20 * and adds in "sum" (32-bit).
30 static inline __wsum csum_partial(const void *buff, int len, __wsum sum)
39 "0: cksm %[sum],%[rp]\n"
41 : [sum] "+&d" (sum), [rp] "+&d" (rp.pair) : : "cc", "memory");
42 return sum;
48 static inline __sum16 csum_fold(__wsum sum)
50 u32 csum = (__force u32) sum;
82 __u8 proto, __wsum sum)
84 __u64 csum = (__force __u64)sum;
99 __u8 proto, __wsum sum)
101 return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum));
117 __u64 sum = (__force __u64)csum;
119 sum += (__force __u32)saddr->s6_addr32[0];
120 sum += (__force __u32)saddr->s6_addr32[1];
121 sum += (__force __u32)saddr->s6_addr32[2];
122 sum += (__force __u32)saddr->s6_addr32[3];
123 sum += (__force __u32)daddr->s6_addr32[0];
124 sum += (__force __u32)daddr->s6_addr32[1];
125 sum += (__force __u32)daddr->s6_addr32[2];
126 sum += (__force __u32)daddr->s6_addr32[3];
127 sum += len;
128 sum += proto;
129 sum += (sum >> 32) | (sum << 32);
130 return csum_fold((__force __wsum)(sum >> 32));