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Merge pull request #18779 from benpicco/socket_zep-crc16_ccitt

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socket_zep: make use of crc16_ccitt_false_update()
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benpicco 2022-10-21 11:01:56 +02:00 committed by GitHub
commit f02113081b
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1 changed files with 3 additions and 4 deletions
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7
cpu/native/socket_zep/socket_zep.c
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@ -27,7 +27,7 @@
#include "async_read.h"
#include "byteorder.h"
#include "checksum/ucrc16.h"
#include "checksum/crc16_ccitt.h"
#include "native_internal.h"
#include "net/ieee802154/radio.h"
@ -400,8 +400,7 @@ static int _write(ieee802154_dev_t *dev, const iolist_t *iolist)
for (unsigned i = 0; i < n; i++) {
memcpy(out, iolist->iol_base, iolist->iol_len);
chksum = ucrc16_calc_le(iolist->iol_base, iolist->iol_len,
UCRC16_CCITT_POLY_LE, chksum);
chksum = crc16_ccitt_false_update(chksum, iolist->iol_base, iolist->iol_len);
out += iolist->iol_len;
iolist = iolist->iol_next;
}
@ -484,7 +483,7 @@ static void _send_ack(socket_zep_t *zepdev, const void *frame)
ack[2] = rxbuf[2]; /* SeqNum */
/* calculate checksum */
uint16_t chksum = ucrc16_calc_le(ack, 3, UCRC16_CCITT_POLY_LE, 0);
uint16_t chksum = crc16_ccitt_false_update(0, ack, 3);
real_send(zepdev->sock_fd, &hdr, sizeof(hdr), MSG_MORE);
real_send(zepdev->sock_fd, ack, sizeof(ack), MSG_MORE);