From: Tomas Hruby <tom@minix3.org>
Date: Thu, 7 Apr 2011 07:44:27 +0000 (+0000)
Subject: LWIP - Fix for dhcpd broadcast to work after boot
X-Git-Tag: v3.2.0~590
X-Git-Url: http://zhaoyanbai.com/repos/Bv9ARM.ch01.html?a=commitdiff_plain;h=b2c2dc72bc29bcb01962e76fa02d7aaac4a52355;p=minix.git

LWIP - Fix for dhcpd broadcast to work after boot

Dhcp only works if devices are configured with a broadcast source
address at the begining as it currently uses raw ip sockets and the
sockets sets the source address. It is a quick hack and proper hdcpd
fix is preferable
---

diff --git a/servers/lwip/driver.c b/servers/lwip/driver.c
index 6299da79c..fb3657d1c 100644
--- a/servers/lwip/driver.c
+++ b/servers/lwip/driver.c
@@ -411,7 +411,14 @@ void driver_up(const char * label, endpoint_t ep)
 
 	nic->state = DRV_IDLE;
 
-	if (!netif_add(&nic->netif, &ip_addr_none, &ip_addr_none, &ip_addr_none,
+	/*
+	 * FIXME
+	 *
+	 * We set the initial ip to 0.0.0.0 to make dhcpd broadcasing work
+	 * at the very begining. dhcp should use raw socket but it is a little
+	 * tricy in the current dhcp implementation
+	 */
+	if (!netif_add(&nic->netif, &ip_addr_any, &ip_addr_none, &ip_addr_none,
 				nic, ethernetif_init, ethernet_input)) {
 		printf("LWIP : failed to add device /dev/%s\n", nic->name);
 		nic->drv_ep = NONE;