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cangen: support fixed length values for len8_dlc 

Allow raw DLC values up to 15 in combination with the '-8' option.

Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
pull/260/head
Oliver Hartkopp 2020-11-03 19:30:09 +01:00
parent ff11fe7ad7
commit f567b75c6c
1 changed files with 11 additions and 3 deletions
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14
cangen.c
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@ -369,9 +369,17 @@ int main(int argc, char **argv)
/* ensure discrete CAN FD length values 0..8, 12, 16, 20, 24, 32, 64 */
frame.len = can_dlc2len(can_len2dlc(frame.len));
} else {
/* sanitize CAN 2.0 frame length */
if (frame.len > 8)
frame.len = 8;
/* sanitize Classical CAN 2.0 frame length */
if (len8_dlc) {
if (frame.len > CAN_MAX_RAW_DLC)
frame.len = CAN_MAX_RAW_DLC;
if (frame.len > CAN_MAX_DLEN)
ccf->len8_dlc = frame.len;
}
if (frame.len > CAN_MAX_DLEN)
frame.len = CAN_MAX_DLEN;
}
if (bind(s, (struct sockaddr *)&addr, sizeof(addr)) < 0) {