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cansequence: do_receive: move variables into loop

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Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Marc Kleine-Budde
2020-10-14 18:02:32 +02:00
parent ac9124c776
commit 4d50109a69
1 changed files with 4 additions and 3 deletions
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cansequence.c
+4 -3
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@@ -87,12 +87,10 @@ static void do_receive()
.msg_iovlen = 1,
.msg_control = &ctrlmsg,
};
struct cmsghdr *cmsg;
const int dropmonitor_on = 1;
bool sequence_init = true;
unsigned int seq_wrap = 0;
uint8_t sequence = 0;
ssize_t nbytes;
if (setsockopt(s, SOL_SOCKET, SO_RXQ_OVFL,
&dropmonitor_on, sizeof(dropmonitor_on)) < 0) {
@@ -106,11 +104,13 @@ static void do_receive()
}
while ((infinite || loopcount--) && running) {
ssize_t nbytes;
msg.msg_iov[0].iov_len = sizeof(frame);
msg.msg_controllen = sizeof(ctrlmsg);
msg.msg_flags = 0;
nbytes = recvmsg(s, &msg, 0);
nbytes = recvmsg(s, &msg, 0);
if (nbytes < 0) {
perror("read()");
exit(EXIT_FAILURE);
@@ -125,6 +125,7 @@ static void do_receive()
printf("received frame. sequence number: %d\n", frame.data[0]);
if (frame.data[0] != sequence) {
struct cmsghdr *cmsg;
uint32_t overflows = 0;
drop_count++;