Lines Matching refs:len
12 * computes the checksum of a memory block at buff, length len,
23 __wsum csum_partial(const void *buff, int len, __wsum sum);
35 int len, __wsum sum)
37 memcpy(dst, src, len);
38 return csum_partial(dst, len, sum);
51 int len, __wsum sum, int *err_ptr)
53 if (copy_from_user(dst, src, len)) {
58 return csum_partial(dst, len, sum);
116 unsigned short len,
126 : "g" (daddr), "g"(saddr), "g"((len + proto) << 8), "0"(sum));
135 unsigned short len,
139 return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum));
147 static inline __sum16 ip_compute_csum(const void *buff, int len)
149 return csum_fold (csum_partial(buff, len, 0));
155 __u32 len, unsigned short proto,
172 "r"(htonl(len)), "r"(htonl(proto)), "0"(sum));
183 int len, __wsum sum, int *err_ptr)
185 if (access_ok(VERIFY_WRITE, dst, len)) {
186 if (copy_to_user(dst, src, len)) {
191 return csum_partial(src, len, sum);
194 if (len)