2 files changed, 10 insertions, 4 deletions

diff --git a/include/usage.h b/include/usage.h
index 05fe506c8..22beeadf3 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -3239,7 +3239,7 @@
         "Adjust filesystem options on ext[23] filesystems.\n\n"
 
 #define udhcpc_trivial_usage \
-        "[-Cfbnqv] [-c CID] [-V VCLS] [-H HOSTNAME] [-i INTERFACE]\n[-p pidfile] [-r IP] [-s script]"
+        "[-Cfbnqtv] [-c CID] [-V VCLS] [-H HOSTNAME] [-i INTERFACE]\n[-p pidfile] [-r IP] [-s script]"
 #define udhcpc_full_usage \
         "\t-c,\t--clientid=CLIENTID\tSet client identifier\n" \
         "\t-C,\t--clientid-none\tSuppress default client identifier\n" \
@@ -3254,6 +3254,7 @@
         "\t-q,\t--quit\tQuit after obtaining lease\n" \
         "\t-r,\t--request=IP\tIP address to request (default: none)\n" \
         "\t-s,\t--script=file\tRun file at dhcp events (default: /usr/share/udhcpc/default.script)\n" \
+        "\t-t,\t--retries=NUM\tSend up to NUM request packets\n"\
         "\t-v,\t--version\tDisplay version"
 
 #define udhcpd_trivial_usage \
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index 8568ac1e7..e035bd4c2 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -58,6 +58,7 @@ struct client_config_t client_config = {
         .hostname = NULL,
         .fqdn = NULL,
         .ifindex = 0,
+        .retries = 3,
         .arp = "\0\0\0\0\0\0",          /* appease gcc-3.0 */
 };
 
@@ -202,13 +203,14 @@ int main(int argc, char *argv[])
                 {"request",     required_argument,      0, 'r'},
                 {"script",      required_argument,      0, 's'},
                 {"version",     no_argument,            0, 'v'},
+                {"retries",     required_argument,      0, 't'},                
                 {0, 0, 0, 0}
         };
 
         /* get options */
         while (1) {
                 int option_index = 0;
-                c = getopt_long(argc, argv, "c:CV:fbH:h:F:i:np:qr:s:v", arg_options, &option_index);
+                c = getopt_long(argc, argv, "c:CV:fbH:h:F:i:np:qr:s:t:v", arg_options, &option_index);
                 if (c == -1) break;
 
                 switch (c) {
@@ -284,6 +286,9 @@ int main(int argc, char *argv[])
                 case 's':
                         client_config.script = optarg;
                         break;
+                case 't':
+                        client_config.retries = atoi(optarg);
+                        break;
                 case 'v':
                         printf("udhcpcd, version %s\n\n", VERSION);
                         return 0;
@@ -353,7 +358,7 @@ int main(int argc, char *argv[])
                         /* timeout dropped to zero */
                         switch (state) {
                         case INIT_SELECTING:
-                                if (packet_num < 3) {
+                                if (packet_num < client_config.retries) {
                                         if (packet_num == 0)
                                                 xid = random_xid();
 
@@ -378,7 +383,7 @@ int main(int argc, char *argv[])
                                 break;
                         case RENEW_REQUESTED:
                         case REQUESTING:
-                                if (packet_num < 3) {
+                                if (packet_num < client_config.retries) {
                                         /* send request packet */
                                         if (state == RENEW_REQUESTED)
                                                 send_renew(xid, server_addr, requested_ip); /* unicast */