Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (235 commits)
  [NETFILTER]: Add H.323 conntrack/NAT helper
  [TG3]: Don't mark tg3_test_registers() as returning const.
  [IPV6]: Cleanups for net/ipv6/addrconf.c (kzalloc, early exit) v2
  [IPV6]: Nearly complete kzalloc cleanup for net/ipv6
  [IPV6]: Cleanup of net/ipv6/reassambly.c
  [BRIDGE]: Remove duplicate const from is_link_local() argument type.
  [DECNET]: net/decnet/dn_route.c: fix inconsequent NULL checking
  [TG3]: make drivers/net/tg3.c:tg3_request_irq() static
  [BRIDGE]: use LLC to send STP
  [LLC]: llc_mac_hdr_init const arguments
  [BRIDGE]: allow show/store of group multicast address
  [BRIDGE]: use llc for receiving STP packets
  [BRIDGE]: stp timer to jiffies cleanup
  [BRIDGE]: forwarding remove unneeded preempt and bh diasables
  [BRIDGE]: netfilter inline cleanup
  [BRIDGE]: netfilter VLAN macro cleanup
  [BRIDGE]: netfilter dont use __constant_htons
  [BRIDGE]: netfilter whitespace
  [BRIDGE]: optimize frame pass up
  [BRIDGE]: use kzalloc
  ...

Documentation/connector/connector.txt

@@ -69,10 +69,11 @@ Unregisters new callback with connector core.
 
 struct cb_id *id 		- unique connector's user identifier.
 
-void cn_netlink_send(struct cn_msg *msg, u32 __groups, int gfp_mask);
+int cn_netlink_send(struct cn_msg *msg, u32 __groups, int gfp_mask);
 
 Sends message to the specified groups.  It can be safely called from
-any context, but may silently fail under strong memory pressure.
+softirq context, but may silently fail under strong memory pressure.
+If there are no listeners for given group -ESRCH can be returned.
 
 struct cn_msg *			- message header(with attached data).
 u32 __group			- destination group.

Documentation/networking/ip-sysctl.txt

@@ -355,6 +355,13 @@ somaxconn - INTEGER
 	Defaults to 128.  See also tcp_max_syn_backlog for additional tuning
 	for TCP sockets.
 
+tcp_workaround_signed_windows - BOOLEAN
+	If set, assume no receipt of a window scaling option means the
+	remote TCP is broken and treats the window as a signed quantity.
+	If unset, assume the remote TCP is not broken even if we do
+	not receive a window scaling option from them.
+	Default: 0
+
 IP Variables:
 
 ip_local_port_range - 2 INTEGERS
@@ -619,6 +626,11 @@ arp_ignore - INTEGER
 	The max value from conf/{all,interface}/arp_ignore is used
 	when ARP request is received on the {interface}
 
+arp_accept - BOOLEAN
+	Define behavior when gratuitous arp replies are received:
+	0 - drop gratuitous arp frames
+	1 - accept gratuitous arp frames
+
 app_solicit - INTEGER
 	The maximum number of probes to send to the user space ARP daemon
 	via netlink before dropping back to multicast probes (see
@@ -717,6 +729,33 @@ accept_ra - BOOLEAN
 	Functional default: enabled if local forwarding is disabled.
 			    disabled if local forwarding is enabled.
 
+accept_ra_defrtr - BOOLEAN
+	Learn default router in Router Advertisement.
+
+	Functional default: enabled if accept_ra is enabled.
+			    disabled if accept_ra is disabled.
+
+accept_ra_pinfo - BOOLEAN
+	Learn Prefix Inforamtion in Router Advertisement.
+
+	Functional default: enabled if accept_ra is enabled.
+			    disabled if accept_ra is disabled.
+
+accept_ra_rt_info_max_plen - INTEGER
+	Maximum prefix length of Route Information in RA.
+
+	Route Information w/ prefix larger than or equal to this
+	variable shall be ignored.
+
+	Functional default: 0 if accept_ra_rtr_pref is enabled.
+			    -1 if accept_ra_rtr_pref is disabled.
+
+accept_ra_rtr_pref - BOOLEAN
+	Accept Router Preference in RA.
+
+	Functional default: enabled if accept_ra is enabled.
+			    disabled if accept_ra is disabled.
+
 accept_redirects - BOOLEAN
 	Accept Redirects.
 
@@ -727,8 +766,8 @@ autoconf - BOOLEAN
 	Autoconfigure addresses using Prefix Information in Router 
 	Advertisements.
 
-	Functional default: enabled if accept_ra is enabled.
-			    disabled if accept_ra is disabled.
+	Functional default: enabled if accept_ra_pinfo is enabled.
+			    disabled if accept_ra_pinfo is disabled.
 
 dad_transmits - INTEGER
 	The amount of Duplicate Address Detection probes to send.
@@ -771,6 +810,12 @@ mtu - INTEGER
 	Default Maximum Transfer Unit
 	Default: 1280 (IPv6 required minimum)
 
+router_probe_interval - INTEGER
+	Minimum interval (in seconds) between Router Probing described
+	in RFC4191.
+
+	Default: 60
+
 router_solicitation_delay - INTEGER
 	Number of seconds to wait after interface is brought up
 	before sending Router Solicitations.

drivers/atm/suni.c

@@ -188,7 +188,7 @@ static int suni_ioctl(struct atm_dev *dev,unsigned int cmd,void __user *arg)
 		case SONET_GETDIAG:
 			return get_diag(dev,arg);
 		case SONET_SETFRAMING:
-			if (arg != SONET_FRAME_SONET) return -EINVAL;
+			if ((int)(unsigned long)arg != SONET_FRAME_SONET) return -EINVAL;
 			return 0;
 		case SONET_GETFRAMING:
 			return put_user(SONET_FRAME_SONET,(int __user *)arg) ?

drivers/connector/connector.c

@@ -97,6 +97,9 @@ int cn_netlink_send(struct cn_msg *msg, u32 __group, gfp_t gfp_mask)
 		group = __group;
 	}
 
+	if (!netlink_has_listeners(dev->nls, group))
+		return -ESRCH;
+
 	size = NLMSG_SPACE(sizeof(*msg) + msg->len);
 
 	skb = alloc_skb(size, gfp_mask);
@@ -111,9 +114,7 @@ int cn_netlink_send(struct cn_msg *msg, u32 __group, gfp_t gfp_mask)
 
 	NETLINK_CB(skb).dst_group = group;
 
-	netlink_broadcast(dev->nls, skb, 0, group, gfp_mask);
-
-	return 0;
+	return netlink_broadcast(dev->nls, skb, 0, group, gfp_mask);
 
 nlmsg_failure:
 	kfree_skb(skb);

drivers/infiniband/ulp/ipoib/ipoib_main.c

@@ -253,7 +253,6 @@ static void path_free(struct net_device *dev, struct ipoib_path *path)
 		if (neigh->ah)
 			ipoib_put_ah(neigh->ah);
 		*to_ipoib_neigh(neigh->neighbour) = NULL;
-		neigh->neighbour->ops->destructor = NULL;
 		kfree(neigh);
 	}
 
@@ -531,7 +530,6 @@ static void neigh_add_path(struct sk_buff *skb, struct net_device *dev)
 err:
 	*to_ipoib_neigh(skb->dst->neighbour) = NULL;
 	list_del(&neigh->list);
-	neigh->neighbour->ops->destructor = NULL;
 	kfree(neigh);
 
 	++priv->stats.tx_dropped;
@@ -770,21 +768,9 @@ static void ipoib_neigh_destructor(struct neighbour *n)
 		ipoib_put_ah(ah);
 }
 
-static int ipoib_neigh_setup(struct neighbour *neigh)
-{
-	/*
-	 * Is this kosher?  I can't find anybody in the kernel that
-	 * sets neigh->destructor, so we should be able to set it here
-	 * without trouble.
-	 */
-	neigh->ops->destructor = ipoib_neigh_destructor;
-
-	return 0;
-}
-
 static int ipoib_neigh_setup_dev(struct net_device *dev, struct neigh_parms *parms)
 {
-	parms->neigh_setup = ipoib_neigh_setup;
+	parms->neigh_destructor = ipoib_neigh_destructor;
 
 	return 0;
 }

drivers/net/8139too.c

@@ -1605,7 +1605,7 @@ static void rtl8139_thread (void *_data)
 	if (tp->watchdog_fired) {
 		tp->watchdog_fired = 0;
 		rtl8139_tx_timeout_task(_data);
-	} else if (rtnl_shlock_nowait() == 0) {
+	} else if (rtnl_trylock()) {
 		rtl8139_thread_iter (dev, tp, tp->mmio_addr);
 		rtnl_unlock ();
 	} else {