udhcp: tweak udhcpd.conf example and comments. no code changes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

3 files changed, 5 insertions, 4 deletions

diff --git a/networking/udhcp/dhcpd.c b/networking/udhcp/dhcpd.c
index cc4cb9280..f594bad66 100644
--- a/networking/udhcp/dhcpd.c
+++ b/networking/udhcp/dhcpd.c
@@ -319,7 +319,7 @@ int udhcpd_main(int argc UNUSED_PARAM, char **argv)
         bb_info_msg("%s (v"BB_VER") started", applet_name);
 
         option = find_option(server_config.options, DHCP_LEASE_TIME);
-        server_config.max_lease_sec = LEASE_TIME;
+        server_config.max_lease_sec = DEFAULT_LEASE_TIME;
         if (option) {
                 move_from_unaligned32(server_config.max_lease_sec, option->data + OPT_DATA);
                 server_config.max_lease_sec = ntohl(server_config.max_lease_sec);
diff --git a/networking/udhcp/dhcpd.h b/networking/udhcp/dhcpd.h
index b55fd6c06..2f2f5b33a 100644
--- a/networking/udhcp/dhcpd.h
+++ b/networking/udhcp/dhcpd.h
@@ -7,8 +7,8 @@ PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
 
 /* Defaults you may want to tweak */
 /* Default max_lease_sec */
-#define LEASE_TIME      (60*60*24 * 10)
-#define LEASES_FILE     CONFIG_DHCPD_LEASES_FILE
+#define DEFAULT_LEASE_TIME      (60*60*24 * 10)
+#define LEASES_FILE             CONFIG_DHCPD_LEASES_FILE
 /* Where to find the DHCP server configuration file */
 #define DHCPD_CONF_FILE         "/etc/udhcpd.conf"
 
diff --git a/networking/udhcp/options.h b/networking/udhcp/options.h
index b7c9d8f8d..05090f12e 100644
--- a/networking/udhcp/options.h
+++ b/networking/udhcp/options.h
@@ -35,7 +35,8 @@ enum {
 /* DHCP protocol. See RFC 2131 */
 #define DHCP_MAGIC              0x63825363
 
-/* DHCP option codes (partial list). See RFC 2132.
+/* DHCP option codes (partial list). See RFC 2132 and
+ * http://www.iana.org/assignments/bootp-dhcp-parameters/
  * Commented out options are handled by common option machinery,
  * uncommented ones have spacial cases (grep for them to see).
  */