Lines Matching refs:sum
125 static __wsum csum_partial(const void *buf, int len, __wsum sum) in csum_partial() argument
132 sum += p[i]; in csum_partial()
134 return sum; in csum_partial()
139 __u32 sum = 0; in build_ip_csum() local
144 sum = csum_partial(p, iph->ihl << 2, 0); in build_ip_csum()
146 return csum_fold(sum); in build_ip_csum()
227 unsigned long sum; in build_udp_v4_csum() local
229 sum = csum_partial(udph, ntohs(udph->len), 0); in build_udp_v4_csum()
231 IPPROTO_UDP, sum); in build_udp_v4_csum()
247 unsigned long sum; in build_udp_v6_csum() local
249 sum = csum_partial(udph, ntohs(udph->len), 0); in build_udp_v6_csum()
251 IPPROTO_UDP, sum); in build_udp_v6_csum()