Lines Matching refs:sum
197 u_int32_t sum;
216 sum = 0;
218 sum += phu.pa[i];
223 sum += *sp++;
226 sum += htons((*(const u_int8_t *)sp) << 8);
228 while (sum > 0xffff)
229 sum = (sum & 0xffff) + (sum >> 16);
230 sum = ~sum & 0xffff;
232 return (sum);
255 int sum = dp->icmp6_cksum;
258 sum = icmp6_cksum(ip, dp, length);
259 if (sum != 0)
260 (void)printf("[bad icmp6 cksum %x!] ", sum);
262 (void)printf("[icmp6 sum ok] ");