Lines Matching defs:sum
234 uint32_t sum = 0;
238 sum += *sbuf++;
243 sum += *(uint8_t *)sbuf;
245 return sum;
248 static uint16_t finish_ip_csum(uint32_t sum)
250 uint16_t lo = sum & 0xffff;
251 uint16_t hi = sum >> 16;
258 uint32_t sum)
260 sum += add_csum(buf, len);
261 return finish_ip_csum(sum);
287 uint32_t sum = 0;
295 sum = add_csum(buf - 2 * ip4alen, 2 * ip4alen);
296 sum += htons(IPPROTO_UDP) + udph->len;
299 sum += add_csum(buf, len);
301 udph->check = finish_ip_csum(sum);