Set enable_etf to 0 as default

packet-exchange/src/client.c

@@ -113,6 +113,7 @@ int main(int argc, char *argv[]) {
   param.max_cycles = 0;
   param.priority = 99;
   param.enable_affinity = 0;
+  param.enable_etf = 0;
 
   main_param.refresh_rate = 50000;
 

packet-exchange/src/send_packet.c

@@ -94,12 +94,12 @@ int send_udp_packet(const char *server_ip) {
 
 static int so_priority = 3;
 static struct sock_txtime sk_txtime;
-static uint32_t tx_buffer = MESSAGE;
-static uint32_t tx_buffer_len = sizeof(MESSAGE);
+static unsigned char tx_buffer[1024] = "Hi";
+static size_t tx_buffer_len = sizeof(tx_buffer);
 static int fd;
 
 // Sets the interface
-static int set_if(char * network_if) {
+static int set_if(char *network_if) {
   struct ifreq ifreq;
 
   memset(&ifreq, 0, sizeof(ifreq));
@@ -114,7 +114,7 @@ static int set_if(char * network_if) {
 /*
  * Init UDP socket
  */
-void init_udp_etf(int use_etf, char * network_if) {
+void init_udp_etf(int use_etf, char *network_if) {
   int index;
 
   fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
@@ -127,7 +127,8 @@ void init_udp_etf(int use_etf, char * network_if) {
                  sizeof(so_priority)))
     error(EXIT_FAILURE, errno, "Couldn't set socket priority\n");
 
-  if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, network_if, strlen(network_if)))
+  if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, network_if,
+                 strlen(network_if)))
     error(EXIT_FAILURE, errno, "setsockopt SO_BINDTODEVICE failed\n");
 
   if (use_etf) {
@@ -178,5 +179,6 @@ void send_udp_packet_etf(int use_etf, uint64_t txtime, const char *server_ip) {
   }
 
   sendmsgerr = sendmsg(fd, &msg, 0);
-  if (sendmsgerr) error(EXIT_FAILURE, errno, "sendmsg failed, ret value: %d\n", sendmsgerr);
+  if (sendmsgerr < 0)
+    error(EXIT_FAILURE, errno, "sendmsg failed, ret value: %d\n", sendmsgerr);
 }