Lines Matching refs:cksum
339 __u8 cksum = 0;
348 cksum += ACK;
351 cksum += 2;
354 cksum += pkt_id;
360 *ptr++ = (-cksum) & 0xFF;
375 * the complete packet (pktid ... cksum) is in garmin_data_p->inbuf starting
380 * (including pkt-id, data-length a. cksum)
388 int cksum = 0;
402 cksum += *recpkt++;
403 cksum += *recpkt++;
413 cksum += *recpkt++;
417 if (((cksum + *recpkt) & 0xff) != 0) {
419 __func__, -cksum & 0xff, *recpkt);
593 int cksum = 0;
668 cksum += pktid;
670 cksum += datalen;
677 cksum += c;
682 cksum = -cksum & 0xFF;
683 *dst++ = cksum;
684 if (cksum == DLE)