diff options
| -rw-r--r-- | include/usage.h | 3 | ||||
| -rw-r--r-- | networking/udhcp/dhcpc.c | 11 |
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 */ |