Lines Matching defs:len
35 static unsigned do_csum(const unsigned char *buff, unsigned len)
40 if (unlikely(len == 0))
45 len--;
48 count = len >> 1; /* nr of 16-bit words.. */
53 len -= 2;
63 len -= 4;
102 if (len & 4) {
107 if (len & 2) {
112 if (len & 1)
123 * computes the checksum of a memory block at buff, length len,
134 __wsum csum_partial(const void *buff, int len, __wsum sum)
136 return (__force __wsum)add32_with_carry(do_csum(buff, len),
145 __sum16 ip_compute_csum(const void *buff, int len)
147 return csum_fold(csum_partial(buff,len,0));