package/busybox/busybox-dhcpc-background.patch

   1 --- a/networking/udhcp/dhcpc.c
   2 +++ a/networking/udhcp/dhcpc.c
   3 @@ -337,6 +337,7 @@
   4         state = INIT_SELECTING;
   5         run_script(NULL, "deconfig");
   6         change_mode(LISTEN_RAW);
   7 +       xid = random_xid();
   8
   9         for (;;) {
  10
  11 @@ -365,10 +366,11 @@
  12                         /* timeout dropped to zero */
  13                         switch (state) {
  14                         case INIT_SELECTING:
  15 +                               if(client_config.background_if_no_lease) {
  16 +                                       LOG(LOG_INFO, "Backgrounding");
  17 +                                       client_background();
  18 +                               }
  19                                 if (packet_num < client_config.retries) {
  20 -                                       if (packet_num == 0)
  21 -                                               xid = random_xid();
  22 -
  23                                         /* send discover packet */
  24                                         send_discover(xid, requested_ip); /* broadcast */
  25
  26 @@ -376,16 +378,13 @@
  27                                         packet_num++;
  28                                 } else {
  29                                         run_script(NULL, "leasefail");
  30 -                                       if (client_config.background_if_no_lease) {
  31 -                                               LOG(LOG_INFO, "No lease, forking to background.");
  32 -                                               client_background();
  33 -                                       } else if (client_config.abort_if_no_lease) {
  34 +                                       if (client_config.abort_if_no_lease) {
  35                                                 LOG(LOG_INFO, "No lease, failing.");
  36                                                 return 1;
  37                                         }
  38                                         /* wait to try again */
  39                                         packet_num = 0;
  40 -                                       timeout = now + 60;
  41 +                                       timeout = now + 2;
  42                                 }
  43                                 break;
  44                         case RENEW_REQUESTED: