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-rw-r--r--include/usage.h3
-rw-r--r--networking/udhcp/dhcpc.c11
2 files changed, 10 insertions, 4 deletions
diff --git a/include/usage.h b/include/usage.h
index 05fe506..22beead 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 8568ac1..e035bd4 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 */