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

* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (24 commits)
  [IPSEC]: Add xfrm_sysctl.txt.
  [BRIDGE]: Round off STP perodic timers.
  [BRIDGE]: Reduce frequency of forwarding cleanup timer in bridge.
  [TCP] tcp_probe: use GCC printf attribute
  [TCP] tcp_probe: a trivial fix for mismatched number of printl arguments.
  [IPV6] ADDRCONF: Fix conflicts in DEVCONF_xxx constant.
  [NET] napi: Call __netif_rx_complete in netif_rx_complete
  [TCP]: Consolidate checking for tcp orphan count being too big.
  [SOCK]: Shrink struct sock by 8 bytes on 64-bit.
  [AF_PACKET]: Kill CONFIG_PACKET_SOCKET.
  [IPV6]: Fix build warning.
  [AF_PACKET]: Kill bogus CONFIG_PACKET_MULTICAST
  [IPV4]: Kill references to bogus non-existent CONFIG_IP_NOSIOCRT
  [IPSEC]: Fix panic when using inter address familiy IPsec on loopback.
  [NET]: parse ip:port strings correctly in in4_pton
  [IPV6] ROUTE: No longer handle ::/0 specially.
  [IPSEC]: Fix IPv6 AH calculation in outbound
  [XFRM]: xfrm_larval_drop sysctl should be __read_mostly.
  [XFRM]: Allow XFRM_ACQ_EXPIRES to be tunable via sysctl.
  [CASSINI]: Fix printk message typo.
  ...

Documentation/networking/xfrm_sysctl.txt

@@ -0,0 +1,4 @@
+/proc/sys/net/core/xfrm_* Variables:
+
+xfrm_acq_expires - INTEGER
+	default 30 - hard timeout in seconds for acquire requests

drivers/net/cassini.c

@@ -4920,7 +4920,7 @@ static int __devinit cas_init_one(struct pci_dev *pdev,
 	pci_cmd |= PCI_COMMAND_PARITY;
 	pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
 	if (pci_set_mwi(pdev))
-		printk(KERN_WARNING PFX "Could enable MWI for %s\n",
+		printk(KERN_WARNING PFX "Could not enable MWI for %s\n",
 		       pci_name(pdev));
 
 	/*

include/linux/ipv6.h

@@ -209,9 +209,8 @@ enum {
 	DEVCONF_RTR_PROBE_INTERVAL,
 	DEVCONF_ACCEPT_RA_RT_INFO_MAX_PLEN,
 	DEVCONF_PROXY_NDP,
-	__DEVCONF_OPTIMISTIC_DAD,
-	DEVCONF_ACCEPT_SOURCE_ROUTE,
 	DEVCONF_OPTIMISTIC_DAD,
+	DEVCONF_ACCEPT_SOURCE_ROUTE,
 	DEVCONF_MAX
 };
 

include/linux/netdevice.h

@@ -910,6 +910,17 @@ static inline int netif_rx_reschedule(struct net_device *dev, int undo)
 	return 0;
 }
 
+/* same as netif_rx_complete, except that local_irq_save(flags)
+ * has already been issued
+ */
+static inline void __netif_rx_complete(struct net_device *dev)
+{
+	BUG_ON(!test_bit(__LINK_STATE_RX_SCHED, &dev->state));
+	list_del(&dev->poll_list);
+	smp_mb__before_clear_bit();
+	clear_bit(__LINK_STATE_RX_SCHED, &dev->state);
+}
+
 /* Remove interface from poll list: it must be in the poll list
  * on current cpu. This primitive is called by dev->poll(), when
  * it completes the work. The device cannot be out of poll list at this
@@ -920,10 +931,7 @@ static inline void netif_rx_complete(struct net_device *dev)
 	unsigned long flags;
 
 	local_irq_save(flags);
-	BUG_ON(!test_bit(__LINK_STATE_RX_SCHED, &dev->state));
+	__netif_rx_complete(dev);
-	list_del(&dev->poll_list);
-	smp_mb__before_clear_bit();
-	clear_bit(__LINK_STATE_RX_SCHED, &dev->state);
 	local_irq_restore(flags);
 }
 
@@ -940,17 +948,6 @@ static inline void netif_poll_enable(struct net_device *dev)
 	clear_bit(__LINK_STATE_RX_SCHED, &dev->state);
 }
 
-/* same as netif_rx_complete, except that local_irq_save(flags)
- * has already been issued
- */
-static inline void __netif_rx_complete(struct net_device *dev)
-{
-	BUG_ON(!test_bit(__LINK_STATE_RX_SCHED, &dev->state));
-	list_del(&dev->poll_list);
-	smp_mb__before_clear_bit();
-	clear_bit(__LINK_STATE_RX_SCHED, &dev->state);
-}
-
 static inline void netif_tx_lock(struct net_device *dev)
 {
 	spin_lock(&dev->_xmit_lock);

include/net/sock.h

@@ -218,13 +218,13 @@ struct sock {
 	atomic_t		sk_rmem_alloc;
 	atomic_t		sk_wmem_alloc;
 	atomic_t		sk_omem_alloc;
+	int			sk_sndbuf;
 	struct sk_buff_head	sk_receive_queue;
 	struct sk_buff_head	sk_write_queue;
 	struct sk_buff_head	sk_async_wait_queue;
 	int			sk_wmem_queued;
 	int			sk_forward_alloc;
 	gfp_t			sk_allocation;
-	int			sk_sndbuf;
 	int			sk_route_caps;
 	int			sk_gso_type;
 	int			sk_rcvlowat;

include/net/tcp.h

@@ -254,6 +254,12 @@ static inline int between(__u32 seq1, __u32 seq2, __u32 seq3)
 	return seq3 - seq2 >= seq1 - seq2;
 }
 
+static inline int tcp_too_many_orphans(struct sock *sk, int num)
+{
+	return (num > sysctl_tcp_max_orphans) ||
+		(sk->sk_wmem_queued > SOCK_MIN_SNDBUF &&
+		 atomic_read(&tcp_memory_allocated) > sysctl_tcp_mem[2]);
+}
 
 extern struct proto tcp_prot;
 

include/net/xfrm.h

@@ -237,7 +237,6 @@ extern int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo);
 extern int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo);
 extern void km_policy_notify(struct xfrm_policy *xp, int dir, struct km_event *c);
 extern void km_state_notify(struct xfrm_state *x, struct km_event *c);
-#define XFRM_ACQ_EXPIRES	30
 
 struct xfrm_tmpl;
 extern int km_query(struct xfrm_state *x, struct xfrm_tmpl *t, struct xfrm_policy *pol);

net/bridge/br_fdb.c

@@ -121,6 +121,7 @@ void br_fdb_cleanup(unsigned long _data)
 {
 	struct net_bridge *br = (struct net_bridge *)_data;
 	unsigned long delay = hold_time(br);
+	unsigned long next_timer = jiffies + br->forward_delay;
 	int i;
 
 	spin_lock_bh(&br->hash_lock);
@@ -129,14 +130,21 @@ void br_fdb_cleanup(unsigned long _data)
 		struct hlist_node *h, *n;
 
 		hlist_for_each_entry_safe(f, h, n, &br->hash[i], hlist) {
-			if (!f->is_static &&
+			unsigned long this_timer;
-			    time_before_eq(f->ageing_timer + delay, jiffies))
+			if (f->is_static)
+				continue;
+			this_timer = f->ageing_timer + delay;
+			if (time_before_eq(this_timer, jiffies))
 				fdb_delete(f);
+			else if (this_timer < next_timer)
+				next_timer = this_timer;
 		}
 	}
 	spin_unlock_bh(&br->hash_lock);
 
-	mod_timer(&br->gc_timer, jiffies + HZ/10);
+	/* Add HZ/4 to ensure we round the jiffies upwards to be after the next
+	 * timer, otherwise we might round down and will have no-op run. */
+	mod_timer(&br->gc_timer, round_jiffies(next_timer + HZ/4));
 }
 
 /* Completely flush all dynamic entries in forwarding database.*/

net/bridge/br_stp.c

@@ -178,7 +178,8 @@ void br_transmit_config(struct net_bridge_port *p)
 		br_send_config_bpdu(p, &bpdu);
 		p->topology_change_ack = 0;
 		p->config_pending = 0;
-		mod_timer(&p->hold_timer, jiffies + BR_HOLD_TIME);
+		mod_timer(&p->hold_timer,
+			  round_jiffies(jiffies + BR_HOLD_TIME));
 	}
 }
 

net/bridge/br_stp_timer.c

@@ -42,7 +42,7 @@ static void br_hello_timer_expired(unsigned long arg)
 	if (br->dev->flags & IFF_UP) {
 		br_config_bpdu_generation(br);
 
-		mod_timer(&br->hello_timer, jiffies + br->hello_time);
+		mod_timer(&br->hello_timer, round_jiffies(jiffies + br->hello_time));
 	}
 	spin_unlock(&br->lock);
 }

net/core/sysctl_net_core.c

@@ -25,6 +25,7 @@ extern int sysctl_core_destroy_delay;
 extern u32 sysctl_xfrm_aevent_etime;
 extern u32 sysctl_xfrm_aevent_rseqth;
 extern int sysctl_xfrm_larval_drop;
+extern u32 sysctl_xfrm_acq_expires;
 #endif
 
 ctl_table core_table[] = {
@@ -127,6 +128,14 @@ ctl_table core_table[] = {
 		.mode		= 0644,
 		.proc_handler	= &proc_dointvec
 	},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "xfrm_acq_expires",
+		.data		= &sysctl_xfrm_acq_expires,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec
+	},
 #endif /* CONFIG_XFRM */
 #endif /* CONFIG_NET */
 	{

net/core/utils.c

@@ -139,16 +139,16 @@ int in4_pton(const char *src, int srclen,
 	while(1) {
 		int c;
 		c = xdigit2bin(srclen > 0 ? *s : '\0', delim);
-		if (!(c & (IN6PTON_DIGIT | IN6PTON_DOT | IN6PTON_DELIM))) {
+		if (!(c & (IN6PTON_DIGIT | IN6PTON_DOT | IN6PTON_DELIM | IN6PTON_COLON_MASK))) {
 			goto out;
 		}
-		if (c & (IN6PTON_DOT | IN6PTON_DELIM)) {
+		if (c & (IN6PTON_DOT | IN6PTON_DELIM | IN6PTON_COLON_MASK)) {
 			if (w == 0)
 				goto out;
 			*d++ = w & 0xff;
 			w = 0;
 			i++;
-			if (c & IN6PTON_DELIM) {
+			if (c & (IN6PTON_DELIM | IN6PTON_COLON_MASK)) {
 				if (i != 4)
 					goto out;
 				break;

net/ipv4/fib_frontend.c

@@ -250,8 +250,6 @@ e_inval:
 	return -EINVAL;
 }
 
-#ifndef CONFIG_IP_NOSIOCRT
-
 static inline __be32 sk_extract_addr(struct sockaddr *addr)
 {
 	return ((struct sockaddr_in *) addr)->sin_addr.s_addr;
@@ -443,15 +441,6 @@ int ip_rt_ioctl(unsigned int cmd, void __user *arg)
 	return -EINVAL;
 }
 
-#else
-
-int ip_rt_ioctl(unsigned int cmd, void *arg)
-{
-	return -EINVAL;
-}
-
-#endif
-
 struct nla_policy rtm_ipv4_policy[RTA_MAX+1] __read_mostly = {
 	[RTA_DST]		= { .type = NLA_U32 },
 	[RTA_SRC]		= { .type = NLA_U32 },

net/ipv4/tcp.c

@@ -1674,9 +1674,8 @@ adjudge_to_death:
 	}
 	if (sk->sk_state != TCP_CLOSE) {
 		sk_stream_mem_reclaim(sk);
-		if (atomic_read(sk->sk_prot->orphan_count) > sysctl_tcp_max_orphans ||
+		if (tcp_too_many_orphans(sk,
-		    (sk->sk_wmem_queued > SOCK_MIN_SNDBUF &&
+				atomic_read(sk->sk_prot->orphan_count))) {
-		     atomic_read(&tcp_memory_allocated) > sysctl_tcp_mem[2])) {
 			if (net_ratelimit())
 				printk(KERN_INFO "TCP: too many of orphaned "
 				       "sockets\n");

net/ipv4/tcp_probe.c

@@ -80,7 +80,8 @@ static void printl(const char *fmt, ...)
 
 	kfifo_put(tcpw.fifo, tbuf, len);
 	wake_up(&tcpw.wait);
-}
+} __attribute__ ((format (printf, 1, 2)));
+
 
 /*
  * Hook inserted to be called before each receive packet.
@@ -95,7 +96,7 @@ static int jtcp_rcv_established(struct sock *sk, struct sk_buff *skb,
 	/* Only update if port matches */
 	if ((port == 0 || ntohs(inet->dport) == port || ntohs(inet->sport) == port)
 	    && (full || tp->snd_cwnd != tcpw.lastcwnd)) {
-		printl("%d.%d.%d.%d:%u %d.%d.%d.%d:%u %d %#x %#x %u %u %u\n",
+		printl("%d.%d.%d.%d:%u %d.%d.%d.%d:%u %d %#x %#x %u %u %u %u\n",
 		       NIPQUAD(inet->saddr), ntohs(inet->sport),
 		       NIPQUAD(inet->daddr), ntohs(inet->dport),
 		       skb->len, tp->snd_nxt, tp->snd_una,

net/ipv4/tcp_timer.c

@@ -78,9 +78,7 @@ static int tcp_out_of_resources(struct sock *sk, int do_reset)
 	if (sk->sk_err_soft)
 		orphans <<= 1;
 
-	if (orphans >= sysctl_tcp_max_orphans ||
+	if (tcp_too_many_orphans(sk, orphans)) {
-	    (sk->sk_wmem_queued > SOCK_MIN_SNDBUF &&
-	     atomic_read(&tcp_memory_allocated) > sysctl_tcp_mem[2])) {
 		if (net_ratelimit())
 			printk(KERN_INFO "Out of socket memory\n");
 

net/ipv4/xfrm4_input.c

@@ -139,10 +139,8 @@ int xfrm4_rcv_encap(struct sk_buff *skb, __u16 encap_type)
 	nf_reset(skb);
 
 	if (decaps) {
-		if (!(skb->dev->flags&IFF_LOOPBACK)) {
+		dst_release(skb->dst);
-			dst_release(skb->dst);
+		skb->dst = NULL;
-			skb->dst = NULL;
-		}
 		netif_rx(skb);
 		return 0;
 	} else {

net/ipv4/xfrm4_mode_tunnel.c

@@ -85,6 +85,8 @@ static int xfrm4_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
 	top_iph->saddr = x->props.saddr.a4;
 	top_iph->daddr = x->id.daddr.a4;
 
+	skb->protocol = htons(ETH_P_IP);
+
 	memset(&(IPCB(skb)->opt), 0, sizeof(struct ip_options));
 	return 0;
 }

net/ipv6/ah6.c

@@ -247,7 +247,7 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb)
 	memcpy(tmp_base, top_iph, sizeof(tmp_base));
 
 	tmp_ext = NULL;
-	extlen = skb_transport_offset(skb) + sizeof(struct ipv6hdr);
+	extlen = skb_transport_offset(skb) - sizeof(struct ipv6hdr);
 	if (extlen) {
 		extlen += sizeof(*tmp_ext);
 		tmp_ext = kmalloc(extlen, GFP_ATOMIC);

net/ipv6/ip6_fib.c

@@ -619,14 +619,6 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
 
 	ins = &fn->leaf;
 
-	if (fn->fn_flags&RTN_TL_ROOT &&
-	    fn->leaf == &ip6_null_entry &&
-	    !(rt->rt6i_flags & (RTF_DEFAULT | RTF_ADDRCONF)) ){
-		fn->leaf = rt;
-		rt->u.dst.rt6_next = NULL;
-		goto out;
-	}
-
 	for (iter = fn->leaf; iter; iter=iter->u.dst.rt6_next) {
 		/*
 		 *	Search for duplicates
@@ -666,7 +658,6 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
 	 *	insert node
 	 */
 
-out:
 	rt->u.dst.rt6_next = iter;
 	*ins = rt;
 	rt->rt6i_node = fn;