Catching missing Flow Control Frame during data transmission about can-isotp HOT 1 CLOSED

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#include <net/if.h>
#include <linux/can.h>
#include <linux/can/isotp.h>

static const u_int8_t tx_buffer[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};

int main() {
    int status = 0;

    int fd;
    struct sockaddr_can address;
    static struct can_isotp_options isotp_options;
    static struct can_isotp_ll_options isotp_ll_loptions;

    address.can_family = AF_CAN;
    address.can_addr.tp.rx_id = 0x98DAF900u;
    address.can_addr.tp.tx_id = 0x98DA00F9u;
    address.can_ifindex = (signed) if_nametoindex("can1");

    isotp_options.flags = CAN_ISOTP_DEFAULT_FLAGS | CAN_ISOTP_WAIT_TX_DONE;

    isotp_ll_loptions.mtu = 16u;
    isotp_ll_loptions.tx_dl = 8u;
    isotp_ll_loptions.tx_flags = 0u;

    if ((fd = socket(PF_CAN, SOCK_DGRAM, CAN_ISOTP)) >= 0) {
        if ((setsockopt(fd, SOL_CAN_ISOTP, CAN_ISOTP_OPTS, &isotp_options, sizeof(isotp_options))) >= 0) {
            if ((setsockopt(fd, SOL_CAN_ISOTP, CAN_ISOTP_LL_OPTS, &isotp_ll_loptions, sizeof(isotp_ll_loptions))) >= 0) {
                if ((bind(fd, (struct sockaddr *)&address, sizeof(address))) >= 0) {
                    ssize_t result = write(fd, &tx_buffer, sizeof(tx_buffer) / sizeof(tx_buffer[0]));
                    printf("result = %d", result);
                } else {
                    status = 4;
                }
            } else {
                status = 3;
            }
        } else {
            status = 2;
        }
    } else {
        status = 1;
    }

    return status;
}