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

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (31 commits)
  sctp: fix missing send up SCTP_SENDER_DRY_EVENT when subscribe it
  net: refine {udp|tcp|sctp}_mem limits
  vmxnet3: round down # of queues to power of two
  net: sh_eth: fix the parameter for the ETHER of SH7757
  net: sh_eth: fix cannot work half-duplex mode
  net: vlan: enable soft features regardless of underlying device
  vmxnet3: fix starving rx ring whenoc_skb kb fails
  bridge: Always flood broadcast packets
  greth: greth_set_mac_add would corrupt the MAC address.
  net: bind() fix error return on wrong address family
  natsemi: silence dma-debug warnings
  net: 8139too: Initial necessary vlan_features to support vlan
  Fix call trace when interrupts are disabled while sleeping function kzalloc is called
  qlge:Version change to v1.00.00.29
  qlge: Fix printk priority so chip fatal errors are always reported.
  qlge:Fix crash caused by mailbox execution on wedged chip.
  xfrm4: Don't call icmp_send on local error
  ipv4: Don't use ufo handling on later transformed packets
  xfrm: Remove family arg from xfrm_bundle_ok
  ipv6: Don't put artificial limit on routing table size.
  ...

16 files changed, 76 insertions, 56 deletions

diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 7ea5cf9..86bff9b 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -586,9 +586,14 @@ static void vlan_dev_uninit(struct net_device *dev)
 static u32 vlan_dev_fix_features(struct net_device *dev, u32 features)
 {
 	struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
+	u32 old_features = features;
 
 	features &= real_dev->features;
 	features &= real_dev->vlan_features;
+
+	if (old_features & NETIF_F_SOFT_FEATURES)
+		features |= old_features & NETIF_F_SOFT_FEATURES;
+
 	if (dev_ethtool_get_rx_csum(real_dev))
 		features |= NETIF_F_RXCSUM;
 	features |= NETIF_F_LLTX;
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index c188c80..32b8f9f 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -49,7 +49,9 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
 	skb_pull(skb, ETH_HLEN);
 
 	rcu_read_lock();
-	if (is_multicast_ether_addr(dest)) {
+	if (is_broadcast_ether_addr(dest))
+		br_flood_deliver(br, skb);
+	else if (is_multicast_ether_addr(dest)) {
 		if (unlikely(netpoll_tx_running(dev))) {
 			br_flood_deliver(br, skb);
 			goto out;
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index f3ac1e8..f06ee39 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -60,7 +60,7 @@ int br_handle_frame_finish(struct sk_buff *skb)
 	br = p->br;
 	br_fdb_update(br, p, eth_hdr(skb)->h_source);
 
-	if (is_multicast_ether_addr(dest) &&
+	if (!is_broadcast_ether_addr(dest) && is_multicast_ether_addr(dest) &&
 	    br_multicast_rcv(br, p, skb))
 		goto drop;
 
@@ -77,7 +77,9 @@ int br_handle_frame_finish(struct sk_buff *skb)
 
 	dst = NULL;
 
-	if (is_multicast_ether_addr(dest)) {
+	if (is_broadcast_ether_addr(dest))
+		skb2 = skb;
+	else if (is_multicast_ether_addr(dest)) {
 		mdst = br_mdb_get(br, skb);
 		if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) {
 			if ((mdst && mdst->mglist) ||
diff --git a/net/core/dst.c b/net/core/dst.c
index 9ccca03..6135f36 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -190,7 +190,8 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
 	dst->lastuse = jiffies;
 	dst->flags = flags;
 	dst->next = NULL;
-	dst_entries_add(ops, 1);
+	if (!(flags & DST_NOCOUNT))
+		dst_entries_add(ops, 1);
 	return dst;
 }
 EXPORT_SYMBOL(dst_alloc);
@@ -243,7 +244,8 @@ again:
 		neigh_release(neigh);
 	}
 
-	dst_entries_add(dst->ops, -1);
+	if (!(dst->flags & DST_NOCOUNT))
+		dst_entries_add(dst->ops, -1);
 
 	if (dst->ops->destroy)
 		dst->ops->destroy(dst);
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index eae1f67..ef1528a 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -465,8 +465,10 @@ int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 	if (addr_len < sizeof(struct sockaddr_in))
 		goto out;
 
-	if (addr->sin_family != AF_INET)
+	if (addr->sin_family != AF_INET) {
+		err = -EAFNOSUPPORT;
 		goto out;
+	}
 
 	chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr);
 
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 4a7e16b..84f26e8 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -828,7 +828,7 @@ static int __ip_append_data(struct sock *sk,
 	cork->length += length;
 	if (((length > mtu) || (skb && skb_is_gso(skb))) &&
 	    (sk->sk_protocol == IPPROTO_UDP) &&
-	    (rt->dst.dev->features & NETIF_F_UFO)) {
+	    (rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len) {
 		err = ip_ufo_append_data(sk, queue, getfrag, from, length,
 					 hh_len, fragheaderlen, transhdrlen,
 					 mtu, flags);
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 054a59d..46febca 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -3220,7 +3220,7 @@ __setup("thash_entries=", set_thash_entries);
 void __init tcp_init(void)
 {
 	struct sk_buff *skb = NULL;
-	unsigned long nr_pages, limit;
+	unsigned long limit;
 	int i, max_share, cnt;
 	unsigned long jiffy = jiffies;
 
@@ -3277,13 +3277,7 @@ void __init tcp_init(void)
 	sysctl_tcp_max_orphans = cnt / 2;
 	sysctl_max_syn_backlog = max(128, cnt / 256);
 
-	/* Set the pressure threshold to be a fraction of global memory that
-	 * is up to 1/2 at 256 MB, decreasing toward zero with the amount of
-	 * memory, with a floor of 128 pages.
-	 */
-	nr_pages = totalram_pages - totalhigh_pages;
-	limit = min(nr_pages, 1UL<<(28-PAGE_SHIFT)) >> (20-PAGE_SHIFT);
-	limit = (limit * (nr_pages >> (20-PAGE_SHIFT))) >> (PAGE_SHIFT-11);
+	limit = nr_free_buffer_pages() / 8;
 	limit = max(limit, 128UL);
 	sysctl_tcp_mem[0] = limit / 4 * 3;
 	sysctl_tcp_mem[1] = limit;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 48cd88e..198f75b 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2209,16 +2209,10 @@ void __init udp_table_init(struct udp_table *table, const char *name)
 
 void __init udp_init(void)
 {
-	unsigned long nr_pages, limit;
+	unsigned long limit;
 
 	udp_table_init(&udp_table, "UDP");
-	/* Set the pressure threshold up by the same strategy of TCP. It is a
-	 * fraction of global memory that is up to 1/2 at 256 MB, decreasing
-	 * toward zero with the amount of memory, with a floor of 128 pages.
-	 */
-	nr_pages = totalram_pages - totalhigh_pages;
-	limit = min(nr_pages, 1UL<<(28-PAGE_SHIFT)) >> (20-PAGE_SHIFT);
-	limit = (limit * (nr_pages >> (20-PAGE_SHIFT))) >> (PAGE_SHIFT-11);
+	limit = nr_free_buffer_pages() / 8;
 	limit = max(limit, 128UL);
 	sysctl_udp_mem[0] = limit / 4 * 3;
 	sysctl_udp_mem[1] = limit;
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 2d51840..327a617 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -32,7 +32,12 @@ static int xfrm4_tunnel_check_size(struct sk_buff *skb)
 	dst = skb_dst(skb);
 	mtu = dst_mtu(dst);
 	if (skb->len > mtu) {
-		icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu));
+		if (skb->sk)
+			ip_local_error(skb->sk, EMSGSIZE, ip_hdr(skb)->daddr,
+				       inet_sk(skb->sk)->inet_dport, mtu);
+		else
+			icmp_send(skb, ICMP_DEST_UNREACH,
+				  ICMP_FRAG_NEEDED, htonl(mtu));
 		ret = -EMSGSIZE;
 	}
 out:
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index d450a2f..3b5669a 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -274,7 +274,7 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 		return -EINVAL;
 
 	if (addr->sin6_family != AF_INET6)
-		return -EINVAL;
+		return -EAFNOSUPPORT;
 
 	addr_type = ipv6_addr_type(&addr->sin6_addr);
 	if ((addr_type & IPV6_ADDR_MULTICAST) && sock->type == SOCK_STREAM)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index de2b1de..0ef1f08 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -228,9 +228,10 @@ static struct rt6_info ip6_blk_hole_entry_template = {
 
 /* allocate dst with ip6_dst_ops */
 static inline struct rt6_info *ip6_dst_alloc(struct dst_ops *ops,
-					     struct net_device *dev)
+					     struct net_device *dev,
+					     int flags)
 {
-	struct rt6_info *rt = dst_alloc(ops, dev, 0, 0, 0);
+	struct rt6_info *rt = dst_alloc(ops, dev, 0, 0, flags);
 
 	memset(&rt->rt6i_table, 0, sizeof(*rt) - sizeof(struct dst_entry));
 
@@ -1042,7 +1043,7 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
 	if (unlikely(idev == NULL))
 		return NULL;
 
-	rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops, dev);
+	rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops, dev, 0);
 	if (unlikely(rt == NULL)) {
 		in6_dev_put(idev);
 		goto out;
@@ -1062,14 +1063,6 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
 	dst_metric_set(&rt->dst, RTAX_HOPLIMIT, 255);
 	rt->dst.output  = ip6_output;
 
-#if 0	/* there's no chance to use these for ndisc */
-	rt->dst.flags   = ipv6_addr_type(addr) & IPV6_ADDR_UNICAST
-				? DST_HOST
-				: 0;
-	ipv6_addr_copy(&rt->rt6i_dst.addr, addr);
-	rt->rt6i_dst.plen = 128;
-#endif
-
 	spin_lock_bh(&icmp6_dst_lock);
 	rt->dst.next = icmp6_dst_gc_list;
 	icmp6_dst_gc_list = &rt->dst;
@@ -1214,7 +1207,7 @@ int ip6_route_add(struct fib6_config *cfg)
 		goto out;
 	}
 
-	rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops, NULL);
+	rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops, NULL, DST_NOCOUNT);
 
 	if (rt == NULL) {
 		err = -ENOMEM;
@@ -1244,7 +1237,7 @@ int ip6_route_add(struct fib6_config *cfg)
 	ipv6_addr_prefix(&rt->rt6i_dst.addr, &cfg->fc_dst, cfg->fc_dst_len);
 	rt->rt6i_dst.plen = cfg->fc_dst_len;
 	if (rt->rt6i_dst.plen == 128)
-	       rt->dst.flags = DST_HOST;
+	       rt->dst.flags |= DST_HOST;
 
 #ifdef CONFIG_IPV6_SUBTREES
 	ipv6_addr_prefix(&rt->rt6i_src.addr, &cfg->fc_src, cfg->fc_src_len);
@@ -1734,7 +1727,7 @@ static struct rt6_info * ip6_rt_copy(struct rt6_info *ort)
 {
 	struct net *net = dev_net(ort->rt6i_dev);
 	struct rt6_info *rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops,
-					    ort->dst.dev);
+					    ort->dst.dev, 0);
 
 	if (rt) {
 		rt->dst.input = ort->dst.input;
@@ -2013,7 +2006,7 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
 {
 	struct net *net = dev_net(idev->dev);
 	struct rt6_info *rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops,
-					    net->loopback_dev);
+					    net->loopback_dev, 0);
 	struct neighbour *neigh;
 
 	if (rt == NULL) {
@@ -2025,7 +2018,7 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
 
 	in6_dev_hold(idev);
 
-	rt->dst.flags = DST_HOST;
+	rt->dst.flags |= DST_HOST;
 	rt->dst.input = ip6_input;
 	rt->dst.output = ip6_output;
 	rt->rt6i_idev = idev;
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 9dc3b5f..d91c1a2 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -154,7 +154,13 @@ update_iv:
 	return RX_CONTINUE;
 
 mic_fail:
-	mac80211_ev_michael_mic_failure(rx->sdata, rx->key->conf.keyidx,
+	/*
+	 * In some cases the key can be unset - e.g. a multicast packet, in
+	 * a driver that supports HW encryption. Send up the key idx only if
+	 * the key is set.
+	 */
+	mac80211_ev_michael_mic_failure(rx->sdata,
+					rx->key ? rx->key->conf.keyidx : -1,
 					(void *) skb->data, NULL, GFP_ATOMIC);
 	return RX_DROP_UNUSABLE;
 }
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 67380a2..207175b 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1058,7 +1058,6 @@ SCTP_STATIC __init int sctp_init(void)
 	int status = -EINVAL;
 	unsigned long goal;
 	unsigned long limit;
-	unsigned long nr_pages;
 	int max_share;
 	int order;
 
@@ -1148,15 +1147,7 @@ SCTP_STATIC __init int sctp_init(void)
 	/* Initialize handle used for association ids. */
 	idr_init(&sctp_assocs_id);
 
-	/* Set the pressure threshold to be a fraction of global memory that
-	 * is up to 1/2 at 256 MB, decreasing toward zero with the amount of
-	 * memory, with a floor of 128 pages.
-	 * Note this initializes the data in sctpv6_prot too
-	 * Unabashedly stolen from tcp_init
-	 */
-	nr_pages = totalram_pages - totalhigh_pages;
-	limit = min(nr_pages, 1UL<<(28-PAGE_SHIFT)) >> (20-PAGE_SHIFT);
-	limit = (limit * (nr_pages >> (20-PAGE_SHIFT))) >> (PAGE_SHIFT-11);
+	limit = nr_free_buffer_pages() / 8;
 	limit = max(limit, 128UL);
 	sysctl_sctp_mem[0] = limit / 4 * 3;
 	sysctl_sctp_mem[1] = limit;
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 6766913..08c6238 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2073,10 +2073,33 @@ static int sctp_setsockopt_disable_fragments(struct sock *sk,
 static int sctp_setsockopt_events(struct sock *sk, char __user *optval,
 				  unsigned int optlen)
 {
+	struct sctp_association *asoc;
+	struct sctp_ulpevent *event;
+
 	if (optlen > sizeof(struct sctp_event_subscribe))
 		return -EINVAL;
 	if (copy_from_user(&sctp_sk(sk)->subscribe, optval, optlen))
 		return -EFAULT;
+
+	/*
+	 * At the time when a user app subscribes to SCTP_SENDER_DRY_EVENT,
+	 * if there is no data to be sent or retransmit, the stack will
+	 * immediately send up this notification.
+	 */
+	if (sctp_ulpevent_type_enabled(SCTP_SENDER_DRY_EVENT,
+				       &sctp_sk(sk)->subscribe)) {
+		asoc = sctp_id2assoc(sk, 0);
+
+		if (asoc && sctp_outq_is_empty(&asoc->outqueue)) {
+			event = sctp_ulpevent_make_sender_dry_event(asoc,
+					GFP_ATOMIC);
+			if (!event)
+				return -ENOMEM;
+
+			sctp_ulpq_tail_event(&asoc->ulpq, event);
+		}
+	}
+
 	return 0;
 }
 
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 98fa8eb..f07602d 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -6463,7 +6463,8 @@ void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
 	if (addr)
 		NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
 	NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE, key_type);
-	NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_id);
+	if (key_id != -1)
+		NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_id);
 	if (tsc)
 		NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, 6, tsc);
 
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 9bec2e8..5ce74a3 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -50,7 +50,7 @@ static struct xfrm_policy_afinfo *xfrm_policy_get_afinfo(unsigned short family);
 static void xfrm_policy_put_afinfo(struct xfrm_policy_afinfo *afinfo);
 static void xfrm_init_pmtu(struct dst_entry *dst);
 static int stale_bundle(struct dst_entry *dst);
-static int xfrm_bundle_ok(struct xfrm_dst *xdst, int family);
+static int xfrm_bundle_ok(struct xfrm_dst *xdst);
 
 
 static struct xfrm_policy *__xfrm_policy_unlink(struct xfrm_policy *pol,
@@ -2241,7 +2241,7 @@ static struct dst_entry *xfrm_dst_check(struct dst_entry *dst, u32 cookie)
 
 static int stale_bundle(struct dst_entry *dst)
 {
-	return !xfrm_bundle_ok((struct xfrm_dst *)dst, AF_UNSPEC);
+	return !xfrm_bundle_ok((struct xfrm_dst *)dst);
 }
 
 void xfrm_dst_ifdown(struct dst_entry *dst, struct net_device *dev)
@@ -2313,7 +2313,7 @@ static void xfrm_init_pmtu(struct dst_entry *dst)
  * still valid.
  */
 
-static int xfrm_bundle_ok(struct xfrm_dst *first, int family)
+static int xfrm_bundle_ok(struct xfrm_dst *first)
 {
 	struct dst_entry *dst = &first->u.dst;
 	struct xfrm_dst *last;