1 files changed, 7 insertions, 0 deletions

diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index 2ae8bcc4d..4548d4ac7 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -1534,6 +1534,13 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
                          */
                                         if (send_renew(xid, server_addr, requested_ip) >= 0) {
                                                 timeout >>= 1;
+//TODO: the timeout to receive an answer for our renew should not be selected
+//with "timeout = lease_seconds / 2; ...; timeout = timeout / 2": it is often huge.
+//Waiting e.g. 4*3600 seconds for a reply does not make sense
+//(if reply isn't coming, we keep an open socket for hours),
+//it should be something like 10 seconds.
+//Also, it's probably best to try sending renew in kernel mode a few (3-5) times
+//and fall back to raw mode if it does not work.
                                                 continue;
                                         }
                                         /* else: error sending.