Merge davem@nuts.davemloft.net:/disk1/BK/net-2.6

into kernel.bkbits.net:/home/davem/net-2.6

drivers/net/pppoe.c

@@ -1075,6 +1075,20 @@ static struct file_operations pppoe_seq_fops = {
 	.llseek		= seq_lseek,
 	.release	= seq_release,
 };
+
+static int __init pppoe_proc_init(void)
+{
+	struct proc_dir_entry *p;
+
+	p = create_proc_entry("pppoe", S_IRUGO, proc_net);
+	if (!p)
+		return -ENOMEM;
+
+	p->proc_fops = &pppoe_seq_fops;
+	return 0;
+}
+#else /* CONFIG_PROC_FS */
+static inline int pppoe_proc_init(void) { return 0; }
 #endif /* CONFIG_PROC_FS */
 
 /* ->ioctl are set at pppox_create */
@@ -1111,26 +1125,18 @@ static int __init pppoe_init(void)
 
 	if (err)
 		goto out;
-#ifdef CONFIG_PROC_FS
-{
-	struct proc_dir_entry *p = create_proc_entry("pppoe", S_IRUGO,
-						     proc_net);
-	err = -ENOMEM;
-	if (!p)
-		goto out_unregister;
+
+	err = pppoe_proc_init();
+	if (err) {
+		unregister_pppox_proto(PX_PROTO_OE);
+		goto out;
+	}
 	
-	p->proc_fops = &pppoe_seq_fops;
-	err = 0;
-}
-#endif /* CONFIG_PROC_FS */
 	dev_add_pack(&pppoes_ptype);
 	dev_add_pack(&pppoed_ptype);
 	register_netdevice_notifier(&pppoe_notifier);
 out:
 	return err;
-out_unregister:
-	unregister_pppox_proto(PX_PROTO_OE);
-	goto out;
 }
 
 static void __exit pppoe_exit(void)
@@ -1139,9 +1145,7 @@ static void __exit pppoe_exit(void)
 	dev_remove_pack(&pppoes_ptype);
 	dev_remove_pack(&pppoed_ptype);
 	unregister_netdevice_notifier(&pppoe_notifier);
-#ifdef CONFIG_PROC_FS
 	remove_proc_entry("pppoe", proc_net);
-#endif
 }
 
 module_init(pppoe_init);

include/linux/skbuff.h

@@ -274,9 +274,6 @@ struct sk_buff {
 				*end;
 };
 
-#define SK_WMEM_MAX	65535
-#define SK_RMEM_MAX	65535
-
 #ifdef __KERNEL__
 /*
  *	Handling routines are only of interest to the kernel

include/net/ip6_tunnel.h

@@ -37,10 +37,4 @@ struct ipv6_tlv_tnl_enc_lim {
 	__u8 encap_limit;	/* tunnel encapsulation limit   */
 } __attribute__ ((packed));
 
-#ifdef __KERNEL__
-#ifdef CONFIG_IPV6_TUNNEL
-extern int __init ip6_tunnel_init(void);
-extern void ip6_tunnel_cleanup(void);
-#endif
-#endif
 #endif

include/net/ipip.h

@@ -45,8 +45,6 @@ struct ip_tunnel
 } while (0)
 
 
-extern int	ipip_init(void);
-extern int	ipgre_init(void);
 extern int	sit_init(void);
 extern void	sit_cleanup(void);
 

net/core/neighbour.c

@@ -1167,6 +1167,10 @@ void neigh_table_init(struct neigh_table *tbl)
 						     tbl->entry_size,
 						     0, SLAB_HWCACHE_ALIGN,
 						     NULL, NULL);
+
+	if (!tbl->kmem_cachep)
+		panic("cannot create neighbour cache");
+
 	tbl->lock	       = RW_LOCK_UNLOCKED;
 	init_timer(&tbl->gc_timer);
 	tbl->gc_timer.data     = (unsigned long)tbl;

net/core/sock.c

@@ -126,6 +126,16 @@
 #include <net/tcp.h>
 #endif
 
+/* Take into consideration the size of the struct sk_buff overhead in the
+ * determination of these values, since that is non-constant across
+ * platforms.  This makes socket queueing behavior and performance
+ * not depend upon such differences.
+ */
+#define _SK_MEM_PACKETS		256
+#define _SK_MEM_OVERHEAD	(sizeof(struct sk_buff) + 256)
+#define SK_WMEM_MAX		(_SK_MEM_OVERHEAD * _SK_MEM_PACKETS)
+#define SK_RMEM_MAX		(_SK_MEM_OVERHEAD * _SK_MEM_PACKETS)
+
 /* Run time adjustable parameters. */
 __u32 sysctl_wmem_max = SK_WMEM_MAX;
 __u32 sysctl_rmem_max = SK_RMEM_MAX;

net/decnet/dn_dev.c

@@ -26,6 +26,7 @@
 
 #include <linux/config.h>
 #include <linux/module.h>
+#include <linux/moduleparam.h>
 #include <linux/init.h>
 #include <linux/net.h>
 #include <linux/netdevice.h>
@@ -1470,16 +1471,13 @@ static struct rtnetlink_link dnet_rtnetlink_table[RTM_MAX-RTM_BASE+1] =
 
 };
 
-#ifdef MODULE
-static int addr[2];
-
-MODULE_PARM(addr, "2i");
+static int __initdata addr[2];
+static int __initdata num;
+module_param_array(addr, int, num, 0444);
 MODULE_PARM_DESC(addr, "The DECnet address of this machine: area,node");
-#endif
 
 void __init dn_dev_init(void)
 {
-#ifdef MODULE
         if (addr[0] > 63 || addr[0] < 0) {
                 printk(KERN_ERR "DECnet: Area must be between 0 and 63");
                 return;
@@ -1491,7 +1489,6 @@ void __init dn_dev_init(void)
         }
 
         decnet_address = dn_htons((addr[0] << 10) | addr[1]);
-#endif
 
 	dn_dev_devices_on();
 #ifdef CONFIG_DECNET_SIOCGIFCONF
@@ -1531,18 +1528,3 @@ void __exit dn_dev_cleanup(void)
 
 	dn_dev_devices_off();
 }
-
-#ifndef MODULE
-static int __init decnet_setup(char *str)
-{
-        unsigned short area = simple_strtoul(str, &str, 0);
-        unsigned short node = simple_strtoul(*str > 0 ? ++str : str, &str, 0);
-
-        decnet_address = dn_htons(area << 10 | node);
-
-        return 1;
-}
-
-__setup("decnet=", decnet_setup);  
-#endif
-

net/ipv4/af_inet.c

@@ -1167,16 +1167,6 @@ static int __init inet_init(void)
 
 	icmp_init(&inet_family_ops);
 
-	/* I wish inet_add_protocol had no constructor hook...
-	   I had to move IPIP from net/ipv4/protocol.c :-( --ANK
-	 */
-#ifdef CONFIG_NET_IPIP
-	ipip_init();
-#endif
-#ifdef CONFIG_NET_IPGRE
-	ipgre_init();
-#endif
-
 	/*
 	 *	Initialise the multicast router
 	 */

net/ipv4/icmp.c

@@ -1115,7 +1115,13 @@ void __init icmp_init(struct net_proto_family *ops)
 			panic("Failed to create the ICMP control socket.\n");
 
 		per_cpu(__icmp_socket, i)->sk->sk_allocation = GFP_ATOMIC;
-		per_cpu(__icmp_socket, i)->sk->sk_sndbuf = SK_WMEM_MAX * 2;
+
+		/* Enough space for 2 64K ICMP packets, including
+		 * sk_buff struct overhead.
+		 */
+		per_cpu(__icmp_socket, i)->sk->sk_sndbuf =
+			(2 * ((64 * 1024) + sizeof(struct sk_buff)));
+
 		inet = inet_sk(per_cpu(__icmp_socket, i)->sk);
 		inet->uc_ttl = -1;
 		inet->pmtudisc = IP_PMTUDISC_DONT;

net/ipv4/inetpeer.c

@@ -129,6 +129,9 @@ void __init inet_initpeers(void)
 			0, SLAB_HWCACHE_ALIGN,
 			NULL, NULL);
 
+	if (!peer_cachep)
+		panic("cannot create inet_peer_cache");
+
 	/* All the timers, started at system startup tend
 	   to synchronize. Perturb it a bit.
 	 */

net/ipv4/ip_gre.c

@@ -1250,7 +1250,7 @@ static struct inet_protocol ipgre_protocol = {
  *	And now the modules code and kernel interface.
  */
 
-int __init ipgre_init(void)
+static int __init ipgre_init(void)
 {
 	int err = -EINVAL;
 
@@ -1288,8 +1288,6 @@ void ipgre_fini(void)
 	unregister_netdev(ipgre_fb_tunnel_dev);
 }
 
-#ifdef MODULE
 module_init(ipgre_init);
-#endif
 module_exit(ipgre_fini);
 MODULE_LICENSE("GPL");

net/ipv4/ipip.c

@@ -872,7 +872,7 @@ static struct xfrm_tunnel ipip_handler = {
 static char banner[] __initdata =
 	KERN_INFO "IPv4 over IPv4 tunneling driver\n";
 
-int __init ipip_init(void)
+static int __init ipip_init(void)
 {
 	int err;
 
@@ -911,8 +911,6 @@ static void __exit ipip_fini(void)
 	unregister_netdev(ipip_fb_tunnel_dev);
 }
 
-#ifdef MODULE
 module_init(ipip_init);
-#endif
 module_exit(ipip_fini);
 MODULE_LICENSE("GPL");

net/ipv4/ipmr.c

@@ -1892,6 +1892,9 @@ void __init ip_mr_init(void)
 				       sizeof(struct mfc_cache),
 				       0, SLAB_HWCACHE_ALIGN,
 				       NULL, NULL);
+	if (!mrt_cachep)
+		panic("cannot allocate ip_mrt_cache");
+
 	init_timer(&ipmr_expire_timer);
 	ipmr_expire_timer.function=ipmr_expire_process;
 	register_netdevice_notifier(&ip_mr_notifier);

net/ipv6/af_inet6.c

@@ -63,12 +63,6 @@
 #include <asm/uaccess.h>
 #include <asm/system.h>
 
-#if 0 /*def MODULE*/
-static int unloadable;     /* XX: Turn to one when all is ok within the
-			      module for allowing unload */
-MODULE_PARM(unloadable, "i");
-#endif
-
 MODULE_AUTHOR("Cast of dozens");
 MODULE_DESCRIPTION("IPv6 protocol stack for Linux");
 MODULE_LICENSE("GPL");
@@ -557,17 +551,6 @@ struct net_proto_family inet6_family_ops = {
 	.owner	= THIS_MODULE,
 };
 
-#ifdef MODULE
-#if 0 /* FIXME --RR */
-int ipv6_unload(void)
-{
-	if (!unloadable) return 1;
-	/* We keep internally 3 raw sockets */
-	return atomic_read(&(__this_module.uc.usecount)) - 3;
-}
-#endif
-#endif
-
 #ifdef CONFIG_SYSCTL
 extern void ipv6_sysctl_register(void);
 extern void ipv6_sysctl_unregister(void);
@@ -788,11 +771,6 @@ static int __init inet6_init(void)
 	err = ndisc_init(&inet6_family_ops);
 	if (err)
 		goto ndisc_fail;
-#ifdef CONFIG_IPV6_TUNNEL
-	err = ip6_tunnel_init();
-	if (err)
-		goto ip6_tunnel_fail;
-#endif
 	err = igmp6_init(&inet6_family_ops);
 	if (err)
 		goto igmp_fail;
@@ -846,10 +824,6 @@ static int __init inet6_init(void)
 	igmp6_cleanup();
 #endif
 igmp_fail:
-#ifdef CONFIG_IPV6_TUNNEL
-	ip6_tunnel_cleanup();
-ip6_tunnel_fail:
-#endif
 	ndisc_cleanup();
 ndisc_fail:
 	icmpv6_cleanup();
@@ -882,9 +856,6 @@ static void __exit inet6_exit(void)
 	ip6_route_cleanup();
 	ipv6_packet_cleanup();
 	igmp6_cleanup();
-#ifdef CONFIG_IPV6_TUNNEL
-	ip6_tunnel_cleanup();
-#endif
 	ndisc_cleanup();
 	icmpv6_cleanup();
 #ifdef CONFIG_SYSCTL

net/ipv6/icmp.c

@@ -693,7 +693,13 @@ int __init icmpv6_init(struct net_proto_family *ops)
 
 		sk = per_cpu(__icmpv6_socket, i)->sk;
 		sk->sk_allocation = GFP_ATOMIC;
-		sk->sk_sndbuf = SK_WMEM_MAX * 2;
+
+		/* Enough space for 2 64K ICMP packets, including
+		 * sk_buff struct overhead.
+		 */
+		sk->sk_sndbuf =
+			(2 * ((64 * 1024) + sizeof(struct sk_buff)));
+
 		sk->sk_prot->unhash(sk);
 	}
 

net/ipv6/ip6_fib.c

@@ -1239,6 +1239,8 @@ void __init fib6_init(void)
 					   sizeof(struct fib6_node),
 					   0, SLAB_HWCACHE_ALIGN,
 					   NULL, NULL);
+	if (!fib6_node_kmem)
+		panic("cannot create fib6_nodes cache");
 }
 
 void __exit fib6_gc_cleanup(void)

net/ipv6/ip6_tunnel.c

@@ -1100,7 +1100,7 @@ static struct inet6_protocol ip6ip6_protocol = {
  * Return: 0 on success
  **/
 
-int __init ip6_tunnel_init(void)
+static int __init ip6_tunnel_init(void)
 {
 	int  err;
 
@@ -1131,13 +1131,11 @@ int __init ip6_tunnel_init(void)
  * ip6_tunnel_cleanup - free resources and unregister protocol
  **/
 
-void ip6_tunnel_cleanup(void)
+static void __exit ip6_tunnel_cleanup(void)
 {
 	unregister_netdev(ip6ip6_fb_tnl_dev);
 	inet6_del_protocol(&ip6ip6_protocol, IPPROTO_IPV6);
 }
 
-#ifdef MODULE
 module_init(ip6_tunnel_init);
 module_exit(ip6_tunnel_cleanup);
-#endif

net/ipv6/route.c

@@ -1988,6 +1988,9 @@ void __init ip6_route_init(void)
 						     sizeof(struct rt6_info),
 						     0, SLAB_HWCACHE_ALIGN,
 						     NULL, NULL);
+	if (!ip6_dst_ops.kmem_cachep)
+		panic("cannot create ip6_dst_cache");
+
 	fib6_init();
 #ifdef 	CONFIG_PROC_FS
 	p = proc_net_create("ipv6_route", 0, rt6_proc_info);