4 * This is a version of ip_compute_csum() optimized for IP headers,
5 * which always checksum on 4 octet boundaries.
7 * extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl);
11 .type _ip_fast_csum,function
13 !! TXRPT needs loops - 1
19 ADDS D0Re0,D0Re0,D1Ar3
23 AND D0Re0,D0Re0,#0xffff
24 AND D0Ar4,D0Ar4,#0xffff
29 AND D0Re0,D0Re0,#0xffff
32 .size _ip_fast_csum,.-_ip_fast_csum