mgp_checksum     1766 src/dps8/dps8_mgp.c   hdr.checksum = mgp_checksum(&hdr, pkt, pklen);
mgp_checksum     1790 src/dps8/dps8_mgp.c   hdr.checksum = mgp_checksum(&hdr, NULL, 0);
mgp_checksum     1814 src/dps8/dps8_mgp.c   hdr.checksum       = mgp_checksum(&hdr, NULL, 0);