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isotprecv: add option to enable dynamic flow control parameters 

New feature in Linux 6.9+

Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
pull/498/head
Oliver Hartkopp 2024-02-14 21:18:58 +01:00
parent 2643d28a57
commit 830a84019d
1 changed files with 6 additions and 1 deletions
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7
isotprecv.c
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@ -73,6 +73,7 @@ void print_usage(char *prg)
fprintf(stderr, " -f <time ns> (force rx stmin value in nanosecs)\n");
fprintf(stderr, " -w <num> (max. wait frame transmissions.)\n");
fprintf(stderr, " -l (loop: do not exit after pdu reception.)\n");
fprintf(stderr, " -F (enable dynamic flow control parameters)\n");
fprintf(stderr, " -L <mtu>:<tx_dl>:<tx_flags> (link layer options for CAN FD)\n");
fprintf(stderr, "\nCAN IDs and addresses are given and expected in hexadecimal values.\n");
fprintf(stderr, "The pdu data is written on STDOUT in space separated ASCII hex values.\n");
@ -96,7 +97,7 @@ int main(int argc, char **argv)
addr.can_addr.tp.tx_id = addr.can_addr.tp.rx_id = NO_CAN_ID;
while ((opt = getopt(argc, argv, "s:d:x:p:P:b:m:w:f:lL:?")) != -1) {
while ((opt = getopt(argc, argv, "s:d:x:p:P:b:m:w:f:lFL:?")) != -1) {
switch (opt) {
case 's':
addr.can_addr.tp.tx_id = strtoul(optarg, NULL, 16);
@ -183,6 +184,10 @@ int main(int argc, char **argv)
loop = 1;
break;
case 'F':
opts.flags |= CAN_ISOTP_DYN_FC_PARMS;
break;
case 'L':
if (sscanf(optarg, "%hhu:%hhu:%hhu",
&llopts.mtu,