Clean up the code

packet-exchange/src/send_packet.c

@@ -41,7 +41,6 @@
 #define MESSAGE ((uint32_t)0x00FACADE)
 #define NSEC_PER_SEC 1000000000
 
-static int process_socket_error_queue();
 static void print_timestamps(struct msghdr *msg);
 static void process_timestamps();
 
@@ -52,7 +51,7 @@ static size_t tx_buffer_len = sizeof(tx_buffer);
 static int fd;
 
 static int so_timestamping_flags =
-    SOF_TIMESTAMPING_RX_SOFTWARE | SOF_TIMESTAMPING_TX_SOFTWARE | SOF_TIMESTAMPING_SOFTWARE;
+    SOF_TIMESTAMPING_TX_SOFTWARE | SOF_TIMESTAMPING_SOFTWARE;
 
 // Sets the interface
 static int set_if(char *network_if) {
@@ -126,9 +125,6 @@ void send_udp_packet(int use_etf, int use_timestamps, uint64_t txtime,
   struct cmsghdr *cmsg;
   struct msghdr msg;
   struct iovec iov;
-  struct pollfd poll_fd = {
-      .fd = fd,
-  };
   int sendmsgerr;
   int res;
   fd_set readfs;
@@ -186,7 +182,6 @@ static void process_timestamps() {
     struct cmsghdr cm;
     char control[512];
   } control;
-  int res;
 
   memset(&msg, 0, sizeof(msg));
   msg.msg_iov = &entry;
@@ -237,6 +232,7 @@ static void print_timestamps(struct msghdr *msg) {
   }
 }
 
+#ifdef DEBUG
 /*
  * Code from scheduled_tx_tools
  */
@@ -253,9 +249,6 @@ static int process_socket_error_queue() {
                        .msg_control = msg_control,
                        .msg_controllen = sizeof(msg_control)};
 
-#ifdef DEBUG
-  printf("process_socket_error_queue\n");
-#endif
 
   if (recvmsg(fd, &msg, MSG_ERRQUEUE) == -1) {
     fprintf(stderr, "recvmsg failed");
@@ -289,4 +282,4 @@ static int process_socket_error_queue() {
 
   return 0;
 }
-
+#endif