ICMPH_SIZE
if ((mp->b_wptr - mp->b_rptr) < (ip_hdr_length + ICMPH_SIZE)) {
if (ira->ira_pktlen < (ip_hdr_length + ICMPH_SIZE)) {
ipha = ip_pullup(mp, ip_hdr_length + ICMPH_SIZE, ira);
len_needed = ip_hdr_length + ICMPH_SIZE +
len_needed = ip_hdr_length + ICMPH_SIZE + IP_ADDR_LEN;
len_needed = IPH_HDR_LENGTH(ipha) + ICMPH_SIZE;
min_ulp_header_length = ICMPH_SIZE;
min_ulp_header_length = ICMPH_SIZE;