1 files changed, 245 insertions, 131 deletions

diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 10a6a604bf3..b3e86ea7b71 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -53,6 +53,8 @@
 #include <linux/root_dev.h>
 #include <linux/delay.h>
 #include <linux/nfs_fs.h>
+#include <linux/slab.h>
+#include <linux/export.h>
 #include <net/net_namespace.h>
 #include <net/arp.h>
 #include <net/ip.h>
@@ -86,8 +88,8 @@
 #endif
 
 /* Define the friendly delay before and after opening net devices */
-#define CONF_PRE_OPEN		500	/* Before opening: 1/2 second */
-#define CONF_POST_OPEN		1	/* After opening: 1 second */
+#define CONF_POST_OPEN		10	/* After opening: 10 msecs */
+#define CONF_CARRIER_TIMEOUT	120000	/* Wait for carrier timeout */
 
 /* Define the timeout for waiting for a DHCP/BOOTP/RARP reply */
 #define CONF_OPEN_RETRIES 	2	/* (Re)open devices twice */
@@ -134,12 +136,14 @@ __be32 ic_myaddr = NONE;		/* My IP address */
 static __be32 ic_netmask = NONE;	/* Netmask for local subnet */
 __be32 ic_gateway = NONE;	/* Gateway IP address */
 
+__be32 ic_addrservaddr = NONE;	/* IP Address of the IP addresses'server */
+
 __be32 ic_servaddr = NONE;	/* Boot server IP address */
 
 __be32 root_server_addr = NONE;	/* Address of NFS server */
 u8 root_server_path[256] = { 0, };	/* Path to mount as root */
 
-u32 ic_dev_xid;		/* Device under configuration */
+__be32 ic_dev_xid;		/* Device under configuration */
 
 /* vendor class identifier */
 static char vendor_class_identifier[253] __initdata;
@@ -187,11 +191,22 @@ struct ic_device {
 static struct ic_device *ic_first_dev __initdata = NULL;/* List of open device */
 static struct net_device *ic_dev __initdata = NULL;	/* Selected device */
 
+static bool __init ic_is_init_dev(struct net_device *dev)
+{
+	if (dev->flags & IFF_LOOPBACK)
+		return false;
+	return user_dev_name[0] ? !strcmp(dev->name, user_dev_name) :
+	    (!(dev->flags & IFF_LOOPBACK) &&
+	     (dev->flags & (IFF_POINTOPOINT|IFF_BROADCAST)) &&
+	     strncmp(dev->name, "dummy", 5));
+}
+
 static int __init ic_open_devs(void)
 {
 	struct ic_device *d, **last;
 	struct net_device *dev;
 	unsigned short oflags;
+	unsigned long start, next_msg;
 
 	last = &ic_first_dev;
 	rtnl_lock();
@@ -201,21 +216,17 @@ static int __init ic_open_devs(void)
 		if (!(dev->flags & IFF_LOOPBACK))
 			continue;
 		if (dev_change_flags(dev, dev->flags | IFF_UP) < 0)
-			printk(KERN_ERR "IP-Config: Failed to open %s\n", dev->name);
+			pr_err("IP-Config: Failed to open %s\n", dev->name);
 	}
 
 	for_each_netdev(&init_net, dev) {
-		if (dev->flags & IFF_LOOPBACK)
-			continue;
-		if (user_dev_name[0] ? !strcmp(dev->name, user_dev_name) :
-		    (!(dev->flags & IFF_LOOPBACK) &&
-		     (dev->flags & (IFF_POINTOPOINT|IFF_BROADCAST)) &&
-		     strncmp(dev->name, "dummy", 5))) {
+		if (ic_is_init_dev(dev)) {
 			int able = 0;
 			if (dev->mtu >= 364)
 				able |= IC_BOOTP;
 			else
-				printk(KERN_WARNING "DHCP/BOOTP: Ignoring device %s, MTU %d too small", dev->name, dev->mtu);
+				pr_warn("DHCP/BOOTP: Ignoring device %s, MTU %d too small",
+					dev->name, dev->mtu);
 			if (!(dev->flags & IFF_NOARP))
 				able |= IC_RARP;
 			able &= ic_proto_enabled;
@@ -223,12 +234,13 @@ static int __init ic_open_devs(void)
 				continue;
 			oflags = dev->flags;
 			if (dev_change_flags(dev, oflags | IFF_UP) < 0) {
-				printk(KERN_ERR "IP-Config: Failed to open %s\n", dev->name);
+				pr_err("IP-Config: Failed to open %s\n",
+				       dev->name);
 				continue;
 			}
 			if (!(d = kmalloc(sizeof(struct ic_device), GFP_KERNEL))) {
 				rtnl_unlock();
-				return -1;
+				return -ENOMEM;
 			}
 			d->dev = dev;
 			*last = d;
@@ -244,16 +256,43 @@ static int __init ic_open_devs(void)
 				dev->name, able, d->xid));
 		}
 	}
+
+	/* no point in waiting if we could not bring up at least one device */
+	if (!ic_first_dev)
+		goto have_carrier;
+
+	/* wait for a carrier on at least one device */
+	start = jiffies;
+	next_msg = start + msecs_to_jiffies(CONF_CARRIER_TIMEOUT/12);
+	while (jiffies - start < msecs_to_jiffies(CONF_CARRIER_TIMEOUT)) {
+		int wait, elapsed;
+
+		for_each_netdev(&init_net, dev)
+			if (ic_is_init_dev(dev) && netif_carrier_ok(dev))
+				goto have_carrier;
+
+		msleep(1);
+
+		if (time_before(jiffies, next_msg))
+			continue;
+
+		elapsed = jiffies_to_msecs(jiffies - start);
+		wait = (CONF_CARRIER_TIMEOUT - elapsed + 500)/1000;
+		pr_info("Waiting up to %d more seconds for network.\n", wait);
+		next_msg = jiffies + msecs_to_jiffies(CONF_CARRIER_TIMEOUT/12);
+	}
+have_carrier:
 	rtnl_unlock();
 
 	*last = NULL;
 
 	if (!ic_first_dev) {
 		if (user_dev_name[0])
-			printk(KERN_ERR "IP-Config: Device `%s' not found.\n", user_dev_name);
+			pr_err("IP-Config: Device `%s' not found\n",
+			       user_dev_name);
 		else
-			printk(KERN_ERR "IP-Config: No network devices available.\n");
-		return -1;
+			pr_err("IP-Config: No network devices available\n");
+		return -ENODEV;
 	}
 	return 0;
 }
@@ -336,17 +375,20 @@ static int __init ic_setup_if(void)
 	strcpy(ir.ifr_ifrn.ifrn_name, ic_dev->name);
 	set_sockaddr(sin, ic_myaddr, 0);
 	if ((err = ic_devinet_ioctl(SIOCSIFADDR, &ir)) < 0) {
-		printk(KERN_ERR "IP-Config: Unable to set interface address (%d).\n", err);
+		pr_err("IP-Config: Unable to set interface address (%d)\n",
+		       err);
 		return -1;
 	}
 	set_sockaddr(sin, ic_netmask, 0);
 	if ((err = ic_devinet_ioctl(SIOCSIFNETMASK, &ir)) < 0) {
-		printk(KERN_ERR "IP-Config: Unable to set interface netmask (%d).\n", err);
+		pr_err("IP-Config: Unable to set interface netmask (%d)\n",
+		       err);
 		return -1;
 	}
 	set_sockaddr(sin, ic_myaddr | ~ic_netmask, 0);
 	if ((err = ic_devinet_ioctl(SIOCSIFBRDADDR, &ir)) < 0) {
-		printk(KERN_ERR "IP-Config: Unable to set interface broadcast address (%d).\n", err);
+		pr_err("IP-Config: Unable to set interface broadcast address (%d)\n",
+		       err);
 		return -1;
 	}
 	/* Handle the case where we need non-standard MTU on the boot link (a network
@@ -357,8 +399,8 @@ static int __init ic_setup_if(void)
 		strcpy(ir.ifr_name, ic_dev->name);
 		ir.ifr_mtu = ic_dev_mtu;
 		if ((err = ic_dev_ioctl(SIOCSIFMTU, &ir)) < 0)
-			printk(KERN_ERR "IP-Config: Unable to set interface mtu to %d (%d).\n",
-			                 ic_dev_mtu, err);
+			pr_err("IP-Config: Unable to set interface mtu to %d (%d)\n",
+			       ic_dev_mtu, err);
 	}
 	return 0;
 }
@@ -373,7 +415,7 @@ static int __init ic_setup_routes(void)
 
 		memset(&rm, 0, sizeof(rm));
 		if ((ic_gateway ^ ic_myaddr) & ic_netmask) {
-			printk(KERN_ERR "IP-Config: Gateway not on directly connected network.\n");
+			pr_err("IP-Config: Gateway not on directly connected network\n");
 			return -1;
 		}
 		set_sockaddr((struct sockaddr_in *) &rm.rt_dst, 0, 0);
@@ -381,7 +423,8 @@ static int __init ic_setup_routes(void)
 		set_sockaddr((struct sockaddr_in *) &rm.rt_gateway, ic_gateway, 0);
 		rm.rt_flags = RTF_UP | RTF_GATEWAY;
 		if ((err = ic_route_ioctl(SIOCADDRT, &rm)) < 0) {
-			printk(KERN_ERR "IP-Config: Cannot add default route (%d).\n", err);
+			pr_err("IP-Config: Cannot add default route (%d)\n",
+			       err);
 			return -1;
 		}
 	}
@@ -414,8 +457,8 @@ static int __init ic_defaults(void)
 		else if (IN_CLASSC(ntohl(ic_myaddr)))
 			ic_netmask = htonl(IN_CLASSC_NET);
 		else {
-			printk(KERN_ERR "IP-Config: Unable to guess netmask for address %pI4\n",
-				&ic_myaddr);
+			pr_err("IP-Config: Unable to guess netmask for address %pI4\n",
+			       &ic_myaddr);
 			return -1;
 		}
 		printk("IP-Config: Guessing netmask %pI4\n", &ic_netmask);
@@ -528,6 +571,7 @@ ic_rarp_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
 	if (ic_myaddr == NONE)
 		ic_myaddr = tip;
 	ic_servaddr = sip;
+	ic_addrservaddr = sip;
 	ic_got_reply = IC_RARP;
 
 drop_unlock:
@@ -553,6 +597,17 @@ static void __init ic_rarp_send_if(struct ic_device *d)
 #endif
 
 /*
+ *  Predefine Nameservers
+ */
+static inline void __init ic_nameservers_predef(void)
+{
+	int i;
+
+	for (i = 0; i < CONF_NAMESERVERS_MAX; i++)
+		ic_nameservers[i] = NONE;
+}
+
+/*
  *	DHCP/BOOTP support.
  */
 
@@ -657,9 +712,16 @@ ic_dhcp_init_options(u8 *options)
 		memcpy(e, ic_req_params, sizeof(ic_req_params));
 		e += sizeof(ic_req_params);
 
+		if (ic_host_name_set) {
+			*e++ = 12;	/* host-name */
+			len = strlen(utsname()->nodename);
+			*e++ = len;
+			memcpy(e, utsname()->nodename, len);
+			e += len;
+		}
 		if (*vendor_class_identifier) {
-			printk(KERN_INFO "DHCP: sending class identifier \"%s\"\n",
-			       vendor_class_identifier);
+			pr_info("DHCP: sending class identifier \"%s\"\n",
+				vendor_class_identifier);
 			*e++ = 60;	/* Class-identifier */
 			len = strlen(vendor_class_identifier);
 			*e++ = len;
@@ -710,10 +772,7 @@ static void __init ic_bootp_init_ext(u8 *e)
  */
 static inline void __init ic_bootp_init(void)
 {
-	int i;
-
-	for (i = 0; i < CONF_NAMESERVERS_MAX; i++)
-		ic_nameservers[i] = NONE;
+	ic_nameservers_predef();
 
 	dev_add_pack(&bootp_packet_type);
 }
@@ -737,13 +796,15 @@ static void __init ic_bootp_send_if(struct ic_device *d, unsigned long jiffies_d
 	struct sk_buff *skb;
 	struct bootp_pkt *b;
 	struct iphdr *h;
+	int hlen = LL_RESERVED_SPACE(dev);
+	int tlen = dev->needed_tailroom;
 
 	/* Allocate packet */
-	skb = alloc_skb(sizeof(struct bootp_pkt) + LL_ALLOCATED_SPACE(dev) + 15,
+	skb = alloc_skb(sizeof(struct bootp_pkt) + hlen + tlen + 15,
 			GFP_KERNEL);
 	if (!skb)
 		return;
-	skb_reserve(skb, LL_RESERVED_SPACE(dev));
+	skb_reserve(skb, hlen);
 	b = (struct bootp_pkt *) skb_put(skb, sizeof(struct bootp_pkt));
 	memset(b, 0, sizeof(struct bootp_pkt));
 
@@ -769,8 +830,6 @@ static void __init ic_bootp_send_if(struct ic_device *d, unsigned long jiffies_d
 	b->op = BOOTP_REQUEST;
 	if (dev->type < 256) /* check for false types */
 		b->htype = dev->type;
-	else if (dev->type == ARPHRD_IEEE802_TR) /* fix for token ring */
-		b->htype = ARPHRD_IEEE802;
 	else if (dev->type == ARPHRD_FDDI)
 		b->htype = ARPHRD_ETHER;
 	else {
@@ -796,8 +855,13 @@ static void __init ic_bootp_send_if(struct ic_device *d, unsigned long jiffies_d
 	skb->dev = dev;
 	skb->protocol = htons(ETH_P_IP);
 	if (dev_hard_header(skb, dev, ntohs(skb->protocol),
-			    dev->broadcast, dev->dev_addr, skb->len) < 0 ||
-	    dev_queue_xmit(skb) < 0)
+			    dev->broadcast, dev->dev_addr, skb->len) < 0) {
+		kfree_skb(skb);
+		printk("E");
+		return;
+	}
+
+	if (dev_queue_xmit(skb) < 0)
 		printk("E");
 }
 
@@ -822,9 +886,9 @@ static int __init ic_bootp_string(char *dest, char *src, int len, int max)
  */
 static void __init ic_do_bootp_ext(u8 *ext)
 {
-       u8 servers;
-       int i;
-	u16 mtu;
+	u8 servers;
+	int i;
+	__be16 mtu;
 
 #ifdef IPCONFIG_DEBUG
 	u8 *c;
@@ -836,41 +900,44 @@ static void __init ic_do_bootp_ext(u8 *ext)
 #endif
 
 	switch (*ext++) {
-		case 1:		/* Subnet mask */
-			if (ic_netmask == NONE)
-				memcpy(&ic_netmask, ext+1, 4);
-			break;
-		case 3:		/* Default gateway */
-			if (ic_gateway == NONE)
-				memcpy(&ic_gateway, ext+1, 4);
-			break;
-		case 6:		/* DNS server */
-			servers= *ext/4;
-			if (servers > CONF_NAMESERVERS_MAX)
-				servers = CONF_NAMESERVERS_MAX;
-			for (i = 0; i < servers; i++) {
-				if (ic_nameservers[i] == NONE)
-					memcpy(&ic_nameservers[i], ext+1+4*i, 4);
-			}
-			break;
-		case 12:	/* Host name */
-			ic_bootp_string(utsname()->nodename, ext+1, *ext, __NEW_UTS_LEN);
-			ic_host_name_set = 1;
-			break;
-		case 15:	/* Domain name (DNS) */
-			ic_bootp_string(ic_domain, ext+1, *ext, sizeof(ic_domain));
-			break;
-		case 17:	/* Root path */
-			if (!root_server_path[0])
-				ic_bootp_string(root_server_path, ext+1, *ext, sizeof(root_server_path));
-			break;
-		case 26:	/* Interface MTU */
-			memcpy(&mtu, ext+1, sizeof(mtu));
-			ic_dev_mtu = ntohs(mtu);
-			break;
-		case 40:	/* NIS Domain name (_not_ DNS) */
-			ic_bootp_string(utsname()->domainname, ext+1, *ext, __NEW_UTS_LEN);
-			break;
+	case 1:		/* Subnet mask */
+		if (ic_netmask == NONE)
+			memcpy(&ic_netmask, ext+1, 4);
+		break;
+	case 3:		/* Default gateway */
+		if (ic_gateway == NONE)
+			memcpy(&ic_gateway, ext+1, 4);
+		break;
+	case 6:		/* DNS server */
+		servers= *ext/4;
+		if (servers > CONF_NAMESERVERS_MAX)
+			servers = CONF_NAMESERVERS_MAX;
+		for (i = 0; i < servers; i++) {
+			if (ic_nameservers[i] == NONE)
+				memcpy(&ic_nameservers[i], ext+1+4*i, 4);
+		}
+		break;
+	case 12:	/* Host name */
+		ic_bootp_string(utsname()->nodename, ext+1, *ext,
+				__NEW_UTS_LEN);
+		ic_host_name_set = 1;
+		break;
+	case 15:	/* Domain name (DNS) */
+		ic_bootp_string(ic_domain, ext+1, *ext, sizeof(ic_domain));
+		break;
+	case 17:	/* Root path */
+		if (!root_server_path[0])
+			ic_bootp_string(root_server_path, ext+1, *ext,
+					sizeof(root_server_path));
+		break;
+	case 26:	/* Interface MTU */
+		memcpy(&mtu, ext+1, sizeof(mtu));
+		ic_dev_mtu = ntohs(mtu);
+		break;
+	case 40:	/* NIS Domain name (_not_ DNS) */
+		ic_bootp_string(utsname()->domainname, ext+1, *ext,
+				__NEW_UTS_LEN);
+		break;
 	}
 }
 
@@ -907,10 +974,8 @@ static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, str
 		goto drop;
 
 	/* Fragments are not supported */
-	if (h->frag_off & htons(IP_OFFSET | IP_MF)) {
-		if (net_ratelimit())
-			printk(KERN_ERR "DHCP/BOOTP: Ignoring fragmented "
-			       "reply.\n");
+	if (ip_is_fragment(h)) {
+		net_err_ratelimited("DHCP/BOOTP: Ignoring fragmented reply\n");
 		goto drop;
 	}
 
@@ -958,17 +1023,14 @@ static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, str
 	/* Is it a reply to our BOOTP request? */
 	if (b->op != BOOTP_REPLY ||
 	    b->xid != d->xid) {
-		if (net_ratelimit())
-			printk(KERN_ERR "DHCP/BOOTP: Reply not for us, "
-			       "op[%x] xid[%x]\n",
-			       b->op, b->xid);
+		net_err_ratelimited("DHCP/BOOTP: Reply not for us, op[%x] xid[%x]\n",
+				    b->op, b->xid);
 		goto drop_unlock;
 	}
 
 	/* Is it a reply for the device we are configuring? */
 	if (b->xid != ic_dev_xid) {
-		if (net_ratelimit())
-			printk(KERN_ERR "DHCP/BOOTP: Ignoring delayed packet \n");
+		net_err_ratelimited("DHCP/BOOTP: Ignoring delayed packet\n");
 		goto drop_unlock;
 	}
 
@@ -1020,7 +1082,7 @@ static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, str
 				ic_servaddr = server_id;
 #ifdef IPCONFIG_DEBUG
 				printk("DHCP: Offered address %pI4 by server %pI4\n",
-				       &ic_myaddr, &ic_servaddr);
+				       &ic_myaddr, &b->iph.saddr);
 #endif
 				/* The DHCP indicated server address takes
 				 * precedence over the bootp header one if
@@ -1065,6 +1127,7 @@ static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, str
 	ic_dev = dev;
 	ic_myaddr = b->your_ip;
 	ic_servaddr = b->server_ip;
+	ic_addrservaddr = b->iph.saddr;
 	if (ic_gateway == NONE && b->relay_ip)
 		ic_gateway = b->relay_ip;
 	if (ic_nameservers[0] == NONE)
@@ -1106,17 +1169,17 @@ static int __init ic_dynamic(void)
 	 * are missing, and without DHCP/BOOTP/RARP we are unable to get it.
 	 */
 	if (!ic_proto_enabled) {
-		printk(KERN_ERR "IP-Config: Incomplete network configuration information.\n");
+		pr_err("IP-Config: Incomplete network configuration information\n");
 		return -1;
 	}
 
 #ifdef IPCONFIG_BOOTP
 	if ((ic_proto_enabled ^ ic_proto_have_if) & IC_BOOTP)
-		printk(KERN_ERR "DHCP/BOOTP: No suitable device found.\n");
+		pr_err("DHCP/BOOTP: No suitable device found\n");
 #endif
 #ifdef IPCONFIG_RARP
 	if ((ic_proto_enabled ^ ic_proto_have_if) & IC_RARP)
-		printk(KERN_ERR "RARP: No suitable device found.\n");
+		pr_err("RARP: No suitable device found\n");
 #endif
 
 	if (!ic_proto_have_if)
@@ -1143,17 +1206,17 @@ static int __init ic_dynamic(void)
 	 * [Actually we could now, but the nothing else running note still
 	 *  applies.. - AC]
 	 */
-	printk(KERN_NOTICE "Sending %s%s%s requests .",
-	       do_bootp
-		? ((ic_proto_enabled & IC_USE_DHCP) ? "DHCP" : "BOOTP") : "",
-	       (do_bootp && do_rarp) ? " and " : "",
-	       do_rarp ? "RARP" : "");
+	pr_notice("Sending %s%s%s requests .",
+		  do_bootp
+		  ? ((ic_proto_enabled & IC_USE_DHCP) ? "DHCP" : "BOOTP") : "",
+		  (do_bootp && do_rarp) ? " and " : "",
+		  do_rarp ? "RARP" : "");
 
 	start_jiffies = jiffies;
 	d = ic_first_dev;
 	retries = CONF_SEND_RETRIES;
 	get_random_bytes(&timeout, sizeof(timeout));
-	timeout = CONF_BASE_TIMEOUT + (timeout % (unsigned) CONF_TIMEOUT_RANDOM);
+	timeout = CONF_BASE_TIMEOUT + (timeout % (unsigned int) CONF_TIMEOUT_RANDOM);
 	for (;;) {
 		/* Track the device we are configuring */
 		ic_dev_xid = d->xid;
@@ -1176,13 +1239,13 @@ static int __init ic_dynamic(void)
 		    (ic_proto_enabled & IC_USE_DHCP) &&
 		    ic_dhcp_msgtype != DHCPACK) {
 			ic_got_reply = 0;
-			printk(",");
+			pr_cont(",");
 			continue;
 		}
 #endif /* IPCONFIG_DHCP */
 
 		if (ic_got_reply) {
-			printk(" OK\n");
+			pr_cont(" OK\n");
 			break;
 		}
 
@@ -1190,7 +1253,7 @@ static int __init ic_dynamic(void)
 			continue;
 
 		if (! --retries) {
-			printk(" timed out!\n");
+			pr_cont(" timed out!\n");
 			break;
 		}
 
@@ -1200,7 +1263,7 @@ static int __init ic_dynamic(void)
 		if (timeout > CONF_TIMEOUT_MAX)
 			timeout = CONF_TIMEOUT_MAX;
 
-		printk(".");
+		pr_cont(".");
 	}
 
 #ifdef IPCONFIG_BOOTP
@@ -1220,8 +1283,8 @@ static int __init ic_dynamic(void)
 	printk("IP-Config: Got %s answer from %pI4, ",
 		((ic_got_reply & IC_RARP) ? "RARP"
 		 : (ic_proto_enabled & IC_USE_DHCP) ? "DHCP" : "BOOTP"),
-		&ic_servaddr);
-	printk("my address is %pI4\n", &ic_myaddr);
+	       &ic_addrservaddr);
+	pr_cont("my address is %pI4\n", &ic_myaddr);
 
 	return 0;
 }
@@ -1303,6 +1366,31 @@ __be32 __init root_nfs_parse_addr(char *name)
 	return addr;
 }
 
+#define DEVICE_WAIT_MAX		12 /* 12 seconds */
+
+static int __init wait_for_devices(void)
+{
+	int i;
+
+	for (i = 0; i < DEVICE_WAIT_MAX; i++) {
+		struct net_device *dev;
+		int found = 0;
+
+		rtnl_lock();
+		for_each_netdev(&init_net, dev) {
+			if (ic_is_init_dev(dev)) {
+				found = 1;
+				break;
+			}
+		}
+		rtnl_unlock();
+		if (found)
+			return 0;
+		ssleep(1);
+	}
+	return -ENODEV;
+}
+
 /*
  *	IP Autoconfig dispatcher.
  */
@@ -1313,9 +1401,11 @@ static int __init ip_auto_config(void)
 #ifdef IPCONFIG_DYNAMIC
 	int retries = CONF_OPEN_RETRIES;
 #endif
+	int err;
+	unsigned int i;
 
 #ifdef CONFIG_PROC_FS
-	proc_net_fops_create(&init_net, "pnp", S_IRUGO, &pnp_seq_fops);
+	proc_create("pnp", S_IRUGO, init_net.proc_net, &pnp_seq_fops);
 #endif /* CONFIG_PROC_FS */
 
 	if (!ic_enable)
@@ -1325,15 +1415,18 @@ static int __init ip_auto_config(void)
 #ifdef IPCONFIG_DYNAMIC
  try_try_again:
 #endif
-	/* Give hardware a chance to settle */
-	msleep(CONF_PRE_OPEN);
+	/* Wait for devices to appear */
+	err = wait_for_devices();
+	if (err)
+		return err;
 
 	/* Setup all network devices */
-	if (ic_open_devs() < 0)
-		return -1;
+	err = ic_open_devs();
+	if (err)
+		return err;
 
 	/* Give drivers a chance to settle */
-	ssleep(CONF_POST_OPEN);
+	msleep(CONF_POST_OPEN);
 
 	/*
 	 * If the config information is insufficient (e.g., our IP address or
@@ -1368,24 +1461,22 @@ static int __init ip_auto_config(void)
 			 */
 #ifdef CONFIG_ROOT_NFS
 			if (ROOT_DEV ==  Root_NFS) {
-				printk(KERN_ERR
-					"IP-Config: Retrying forever (NFS root)...\n");
+				pr_err("IP-Config: Retrying forever (NFS root)...\n");
 				goto try_try_again;
 			}
 #endif
 
 			if (--retries) {
-				printk(KERN_ERR
-				       "IP-Config: Reopening network devices...\n");
+				pr_err("IP-Config: Reopening network devices...\n");
 				goto try_try_again;
 			}
 
 			/* Oh, well.  At least we tried. */
-			printk(KERN_ERR "IP-Config: Auto-configuration of network failed.\n");
+			pr_err("IP-Config: Auto-configuration of network failed\n");
 			return -1;
 		}
 #else /* !DYNAMIC */
-		printk(KERN_ERR "IP-Config: Incomplete network configuration information.\n");
+		pr_err("IP-Config: Incomplete network configuration information\n");
 		ic_close_devs();
 		return -1;
 #endif /* IPCONFIG_DYNAMIC */
@@ -1399,7 +1490,7 @@ static int __init ip_auto_config(void)
 		root_server_addr = addr;
 
 	/*
-	 * Use defaults whereever applicable.
+	 * Use defaults wherever applicable.
 	 */
 	if (ic_defaults() < 0)
 		return -1;
@@ -1423,19 +1514,27 @@ static int __init ip_auto_config(void)
 	/*
 	 * Clue in the operator.
 	 */
-	printk("IP-Config: Complete:");
-	printk("\n     device=%s", ic_dev->name);
-	printk(", addr=%pI4", &ic_myaddr);
-	printk(", mask=%pI4", &ic_netmask);
-	printk(", gw=%pI4", &ic_gateway);
-	printk(",\n     host=%s, domain=%s, nis-domain=%s",
-	       utsname()->nodename, ic_domain, utsname()->domainname);
-	printk(",\n     bootserver=%pI4", &ic_servaddr);
-	printk(", rootserver=%pI4", &root_server_addr);
-	printk(", rootpath=%s", root_server_path);
+	pr_info("IP-Config: Complete:\n");
+
+	pr_info("     device=%s, hwaddr=%*phC, ipaddr=%pI4, mask=%pI4, gw=%pI4\n",
+		ic_dev->name, ic_dev->addr_len, ic_dev->dev_addr,
+		&ic_myaddr, &ic_netmask, &ic_gateway);
+	pr_info("     host=%s, domain=%s, nis-domain=%s\n",
+		utsname()->nodename, ic_domain, utsname()->domainname);
+	pr_info("     bootserver=%pI4, rootserver=%pI4, rootpath=%s",
+		&ic_servaddr, &root_server_addr, root_server_path);
 	if (ic_dev_mtu)
-		printk(", mtu=%d", ic_dev_mtu);
-	printk("\n");
+		pr_cont(", mtu=%d", ic_dev_mtu);
+	for (i = 0; i < CONF_NAMESERVERS_MAX; i++)
+		if (ic_nameservers[i] != NONE) {
+			pr_info("     nameserver%u=%pI4",
+				i, &ic_nameservers[i]);
+			break;
+		}
+	for (i++; i < CONF_NAMESERVERS_MAX; i++)
+		if (ic_nameservers[i] != NONE)
+			pr_cont(", nameserver%u=%pI4", i, &ic_nameservers[i]);
+	pr_cont("\n");
 #endif /* !SILENT */
 
 	return 0;
@@ -1506,6 +1605,8 @@ static int __init ip_auto_config_setup(char *addrs)
 		return 1;
 	}
 
+	ic_nameservers_predef();
+
 	/* Parse string for static IP assignment.  */
 	ip = addrs;
 	while (ip && *ip) {
@@ -1549,6 +1650,20 @@ static int __init ip_auto_config_setup(char *addrs)
 					ic_enable = 0;
 				}
 				break;
+			case 7:
+				if (CONF_NAMESERVERS_MAX >= 1) {
+					ic_nameservers[0] = in_aton(ip);
+					if (ic_nameservers[0] == ANY)
+						ic_nameservers[0] = NONE;
+				}
+				break;
+			case 8:
+				if (CONF_NAMESERVERS_MAX >= 2) {
+					ic_nameservers[1] = in_aton(ip);
+					if (ic_nameservers[1] == ANY)
+						ic_nameservers[1] = NONE;
+				}
+				break;
 			}
 		}
 		ip = cp;
@@ -1557,22 +1672,21 @@ static int __init ip_auto_config_setup(char *addrs)
 
 	return 1;
 }
+__setup("ip=", ip_auto_config_setup);
 
 static int __init nfsaddrs_config_setup(char *addrs)
 {
 	return ip_auto_config_setup(addrs);
 }
+__setup("nfsaddrs=", nfsaddrs_config_setup);
 
 static int __init vendor_class_identifier_setup(char *addrs)
 {
 	if (strlcpy(vendor_class_identifier, addrs,
 		    sizeof(vendor_class_identifier))
 	    >= sizeof(vendor_class_identifier))
-		printk(KERN_WARNING "DHCP: vendorclass too long, truncated to \"%s\"",
-		       vendor_class_identifier);
+		pr_warn("DHCP: vendorclass too long, truncated to \"%s\"",
+			vendor_class_identifier);
 	return 1;
 }
-
-__setup("ip=", ip_auto_config_setup);
-__setup("nfsaddrs=", nfsaddrs_config_setup);
 __setup("dhcpclass=", vendor_class_identifier_setup);