libnetworking: Send the hostname if set in the network configuration.

This allows a suitably configured DHCP server with DDNS to enter
the name into the DNS table making it addressiable via it's host name.
This commit is contained in:
Chris Johns
2015-05-20 15:21:53 +10:00
parent f5d4570fe6
commit 083e6d6b4b

View File

@@ -543,6 +543,20 @@ dhcp_discover_req (struct dhcp_packet* call,
call->vend[len++] = 1;
call->vend[len++] = DHCP_DISCOVER;
/*
* If a host name is set add it to the request.
*/
if (rtems_bsdnet_config.hostname && \
(strlen (rtems_bsdnet_config.hostname) > 1) &&
(strlen (rtems_bsdnet_config.hostname) < 32)) {
call->vend[len++] = DHCP_HOST;
call->vend[len++] = strlen (rtems_bsdnet_config.hostname);
memcpy (&call->vend[len],
rtems_bsdnet_config.hostname,
strlen (rtems_bsdnet_config.hostname));
len += strlen (rtems_bsdnet_config.hostname);
}
/*
* DHCP Parameter request list
*/