Merge branch 'master' of /repos/git/net-next-2.6

Conflicts:
	net/bridge/br_device.c
	net/bridge/br_forward.c

Signed-off-by: Patrick McHardy <kaber@trash.net>

24 files changed, 340 insertions, 143 deletions

diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index 1614d78c60ed..20725e213aee 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -30,7 +30,7 @@ struct unix_skb_parms {
 #endif
 };
 
-#define UNIXCB(skb) 	(*(struct unix_skb_parms*)&((skb)->cb))
+#define UNIXCB(skb) 	(*(struct unix_skb_parms *)&((skb)->cb))
 #define UNIXCREDS(skb)	(&UNIXCB((skb)).creds)
 #define UNIXSID(skb)	(&UNIXCB((skb)).secid)
 
@@ -45,21 +45,23 @@ struct unix_skb_parms {
 struct unix_sock {
 	/* WARNING: sk has to be the first member */
 	struct sock		sk;
-        struct unix_address     *addr;
-        struct dentry		*dentry;
-        struct vfsmount		*mnt;
+	struct unix_address     *addr;
+	struct dentry		*dentry;
+	struct vfsmount		*mnt;
 	struct mutex		readlock;
-        struct sock		*peer;
-        struct sock		*other;
+	struct sock		*peer;
+	struct sock		*other;
 	struct list_head	link;
-        atomic_long_t           inflight;
-        spinlock_t		lock;
+	atomic_long_t		inflight;
+	spinlock_t		lock;
 	unsigned int		gc_candidate : 1;
 	unsigned int		gc_maybe_cycle : 1;
-        wait_queue_head_t       peer_wait;
+	struct socket_wq	peer_wq;
 };
 #define unix_sk(__sk) ((struct unix_sock *)__sk)
 
+#define peer_wait peer_wq.wait
+
 #ifdef CONFIG_SYSCTL
 extern int unix_sysctl_register(struct net *net);
 extern void unix_sysctl_unregister(struct net *net);
diff --git a/include/net/caif/caif_dev.h b/include/net/caif/caif_dev.h
index 42a7c7867849..318ab9478a44 100644
--- a/include/net/caif/caif_dev.h
+++ b/include/net/caif/caif_dev.h
@@ -23,17 +23,19 @@ struct caif_param {
 };
 
 /**
- * caif_connect_request - Request data for CAIF channel setup.
+ * struct caif_connect_request - Request data for CAIF channel setup.
+ * @protocol:		Type of CAIF protocol to use (at, datagram etc)
  * @sockaddr:		Socket address to connect.
  * @priority:		Priority of the connection.
  * @link_selector:	Link selector (high bandwidth or low latency)
  * @link_name:		Name of the CAIF Link Layer to use.
+ * @param:		Connect Request parameters (CAIF_SO_REQ_PARAM).
  *
  * This struct is used when connecting a CAIF channel.
  * It contains all CAIF channel configuration options.
  */
 struct caif_connect_request {
-	int protocol;
+	enum caif_protocol_type protocol;
 	struct sockaddr_caif sockaddr;
 	enum caif_channel_priority priority;
 	enum caif_link_selector link_selector;
@@ -68,6 +70,17 @@ int caif_connect_client(struct caif_connect_request *config,
 int caif_disconnect_client(struct cflayer *client_layer);
 
 /**
+ * caif_release_client - Release adaptation layer reference to client.
+ *
+ * @client_layer: Client layer.
+ *
+ * Releases a client/adaptation layer use of the caif stack.
+ * This function must be used after caif_disconnect_client to
+ * decrease the reference count of the service layer.
+ */
+void caif_release_client(struct cflayer *client_layer);
+
+/**
  * connect_req_to_link_param - Translate configuration parameters
  *				from socket format to internal format.
  * @cnfg:	Pointer to configuration handler
diff --git a/include/net/caif/cfcnfg.h b/include/net/caif/cfcnfg.h
index 366082c5d435..9fc2fc20b884 100644
--- a/include/net/caif/cfcnfg.h
+++ b/include/net/caif/cfcnfg.h
@@ -87,13 +87,21 @@ cfcnfg_add_phy_layer(struct cfcnfg *cnfg, enum cfcnfg_phy_type phy_type,
 int cfcnfg_del_phy_layer(struct cfcnfg *cnfg, struct cflayer *phy_layer);
 
 /**
- * cfcnfg_del_adapt_layer - Deletes an adaptation layer from the CAIF stack.
+ * cfcnfg_disconn_adapt_layer - Disconnects an adaptation layer.
  *
  * @cnfg:	Pointer to a CAIF configuration object, created by
  *		cfcnfg_create().
  * @adap_layer: Adaptation layer to be removed.
  */
-int cfcnfg_del_adapt_layer(struct cfcnfg *cnfg, struct cflayer *adap_layer);
+int cfcnfg_disconn_adapt_layer(struct cfcnfg *cnfg,
+			struct cflayer *adap_layer);
+
+/**
+ * cfcnfg_release_adap_layer - Used by client to release the adaptation layer.
+ *
+ * @adap_layer: Adaptation layer.
+ */
+void cfcnfg_release_adap_layer(struct cflayer *adap_layer);
 
 /**
  * cfcnfg_add_adaptation_layer - Add an adaptation layer to the CAIF stack.
@@ -102,14 +110,13 @@ int cfcnfg_del_adapt_layer(struct cfcnfg *cnfg, struct cflayer *adap_layer);
  * driver functionality is implemented.
  *
  * @cnfg:		Pointer to a CAIF configuration object, created by
- *				cfcnfg_create().
+ *			cfcnfg_create().
  * @param:		Link setup parameters.
  * @adap_layer:		Specify the adaptation layer; the receive and
  *			flow-control functions MUST be set in the structure.
  *
  */
-int
-cfcnfg_add_adaptation_layer(struct cfcnfg *cnfg,
+int cfcnfg_add_adaptation_layer(struct cfcnfg *cnfg,
 			    struct cfctrl_link_param *param,
 			    struct cflayer *adap_layer);
 
diff --git a/include/net/caif/cfctrl.h b/include/net/caif/cfctrl.h
index dee25b86caa0..997603f2bf4c 100644
--- a/include/net/caif/cfctrl.h
+++ b/include/net/caif/cfctrl.h
@@ -43,8 +43,7 @@ struct cfctrl_rsp {
 	void (*linksetup_rsp)(struct cflayer *layer, u8 linkid,
 			      enum cfctrl_srv serv, u8 phyid,
 			      struct cflayer *adapt_layer);
-	void (*linkdestroy_rsp)(struct cflayer *layer, u8 linkid,
-				struct cflayer *client_layer);
+	void (*linkdestroy_rsp)(struct cflayer *layer, u8 linkid);
 	void (*linkerror_ind)(void);
 	void (*enum_rsp)(void);
 	void (*sleep_rsp)(void);
@@ -117,7 +116,7 @@ struct cfctrl {
 };
 
 void cfctrl_enum_req(struct cflayer *cfctrl, u8 physlinkid);
-void cfctrl_linkup_request(struct cflayer *cfctrl,
+int cfctrl_linkup_request(struct cflayer *cfctrl,
 			   struct cfctrl_link_param *param,
 			   struct cflayer *user_layer);
 int  cfctrl_linkdown_req(struct cflayer *cfctrl, u8 linkid,
@@ -135,4 +134,6 @@ void cfctrl_insert_req(struct cfctrl *ctrl,
 			      struct cfctrl_request_info *req);
 struct cfctrl_request_info *cfctrl_remove_req(struct cfctrl *ctrl,
 					      struct cfctrl_request_info *req);
+void cfctrl_cancel_req(struct cflayer *layr, struct cflayer *adap_layer);
+
 #endif				/* CFCTRL_H_ */
diff --git a/include/net/caif/cfsrvl.h b/include/net/caif/cfsrvl.h
index b2a12db20cd2..2dc9eb193ecf 100644
--- a/include/net/caif/cfsrvl.h
+++ b/include/net/caif/cfsrvl.h
@@ -9,14 +9,18 @@
 #include <linux/list.h>
 #include <linux/stddef.h>
 #include <linux/types.h>
+#include <linux/kref.h>
+
 struct cfsrvl {
 	struct cflayer layer;
 	bool open;
 	bool phy_flow_on;
 	bool modem_flow_on;
 	struct dev_info dev_info;
+	struct kref ref;
 };
 
+void cfsrvl_release(struct kref *kref);
 struct cflayer *cfvei_create(u8 linkid, struct dev_info *dev_info);
 struct cflayer *cfdgml_create(u8 linkid, struct dev_info *dev_info);
 struct cflayer *cfutill_create(u8 linkid, struct dev_info *dev_info);
@@ -31,4 +35,22 @@ void cfsrvl_init(struct cfsrvl *service,
 bool cfsrvl_ready(struct cfsrvl *service, int *err);
 u8 cfsrvl_getphyid(struct cflayer *layer);
 
+static inline void cfsrvl_get(struct cflayer *layr)
+{
+	struct cfsrvl *s;
+	if (layr == NULL)
+		return;
+	s = container_of(layr, struct cfsrvl, layer);
+	kref_get(&s->ref);
+}
+
+static inline void cfsrvl_put(struct cflayer *layr)
+{
+	struct cfsrvl *s;
+	if (layr == NULL)
+		return;
+	s = container_of(layr, struct cfsrvl, layer);
+	kref_put(&s->ref, cfsrvl_release);
+}
+
 #endif				/* CFSRVL_H_ */
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 37cebd3aa0f7..7d10c0182f53 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -511,6 +511,7 @@ struct mpath_info {
  * @basic_rates: basic rates in IEEE 802.11 format
  *	(or NULL for no change)
  * @basic_rates_len: number of basic rates
+ * @ap_isolate: do not forward packets between connected stations
  */
 struct bss_parameters {
 	int use_cts_prot;
@@ -518,6 +519,7 @@ struct bss_parameters {
 	int use_short_slot_time;
 	u8 *basic_rates;
 	u8 basic_rates_len;
+	int ap_isolate;
 };
 
 struct mesh_config {
@@ -1018,6 +1020,8 @@ struct cfg80211_pmksa {
  *	RSN IE. It allows for faster roaming between WPA2 BSSIDs.
  * @del_pmksa: Delete a cached PMKID.
  * @flush_pmksa: Flush all cached PMKIDs.
+ * @set_power_mgmt: Configure WLAN power management. A timeout value of -1
+ *	allows the driver to adjust the dynamic ps timeout value.
  * @set_cqm_rssi_config: Configure connection quality monitor RSSI threshold.
  *
  */
@@ -1643,7 +1647,7 @@ struct ieee80211_radiotap_iterator {
 	const struct ieee80211_radiotap_namespace *current_namespace;
 
 	unsigned char *_arg, *_next_ns_data;
-	uint32_t *_next_bitmap;
+	__le32 *_next_bitmap;
 
 	unsigned char *this_arg;
 	int this_arg_index;
diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h
index 52bd9e6c9141..e8923bc20f9f 100644
--- a/include/net/fib_rules.h
+++ b/include/net/fib_rules.h
@@ -104,7 +104,7 @@ static inline u32 frh_get_table(struct fib_rule_hdr *frh, struct nlattr **nla)
 	return frh->table;
 }
 
-extern struct fib_rules_ops *fib_rules_register(struct fib_rules_ops *, struct net *);
+extern struct fib_rules_ops *fib_rules_register(const struct fib_rules_ops *, struct net *);
 extern void fib_rules_unregister(struct fib_rules_ops *);
 extern void                     fib_rules_cleanup_ops(struct fib_rules_ops *);
 
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index b487bc1b99ab..1653de515cee 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -102,7 +102,6 @@ struct rtable;
  * @uc_ttl - Unicast TTL
  * @inet_sport - Source port
  * @inet_id - ID counter for DF pkts
- * @rxhash - flow hash received from netif layer
  * @tos - TOS
  * @mc_ttl - Multicasting TTL
  * @is_icsk - is this an inet_connection_sock?
@@ -126,9 +125,6 @@ struct inet_sock {
 	__u16			cmsg_flags;
 	__be16			inet_sport;
 	__u16			inet_id;
-#ifdef CONFIG_RPS
-	__u32			rxhash;
-#endif
 
 	struct ip_options	*opt;
 	__u8			tos;
@@ -224,37 +220,4 @@ static inline __u8 inet_sk_flowi_flags(const struct sock *sk)
 	return inet_sk(sk)->transparent ? FLOWI_FLAG_ANYSRC : 0;
 }
 
-static inline void inet_rps_record_flow(const struct sock *sk)
-{
-#ifdef CONFIG_RPS
-	struct rps_sock_flow_table *sock_flow_table;
-
-	rcu_read_lock();
-	sock_flow_table = rcu_dereference(rps_sock_flow_table);
-	rps_record_sock_flow(sock_flow_table, inet_sk(sk)->rxhash);
-	rcu_read_unlock();
-#endif
-}
-
-static inline void inet_rps_reset_flow(const struct sock *sk)
-{
-#ifdef CONFIG_RPS
-	struct rps_sock_flow_table *sock_flow_table;
-
-	rcu_read_lock();
-	sock_flow_table = rcu_dereference(rps_sock_flow_table);
-	rps_reset_sock_flow(sock_flow_table, inet_sk(sk)->rxhash);
-	rcu_read_unlock();
-#endif
-}
-
-static inline void inet_rps_save_rxhash(const struct sock *sk, u32 rxhash)
-{
-#ifdef CONFIG_RPS
-	if (unlikely(inet_sk(sk)->rxhash != rxhash)) {
-		inet_rps_reset_flow(sk);
-		inet_sk(sk)->rxhash = rxhash;
-	}
-#endif
-}
 #endif	/* _INET_SOCK_H */
diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h
index 79f67eae8a7e..a066fdd50da6 100644
--- a/include/net/inet_timewait_sock.h
+++ b/include/net/inet_timewait_sock.h
@@ -224,7 +224,9 @@ static inline
 struct net *twsk_net(const struct inet_timewait_sock *twsk)
 {
 #ifdef CONFIG_NET_NS
-	return rcu_dereference(twsk->tw_net);
+	return rcu_dereference_raw(twsk->tw_net); /* protected by locking, */
+						  /* reference counting, */
+						  /* initialization, or RCU. */
 #else
 	return &init_net;
 #endif
diff --git a/include/net/ip.h b/include/net/ip.h
index a84ceb692687..8149b77cea9b 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -393,6 +393,7 @@ extern int ip_options_rcv_srr(struct sk_buff *skb);
  *	Functions provided by ip_sockglue.c
  */
 
+extern int	ip_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
 extern void	ip_cmsg_recv(struct msghdr *msg, struct sk_buff *skb);
 extern int	ip_cmsg_send(struct net *net,
 			     struct msghdr *msg, struct ipcm_cookie *ipc);
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index b1d8db90b214..eba5cc00325a 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -503,7 +503,8 @@ extern int			ip6_append_data(struct sock *sk,
 						struct ipv6_txoptions *opt,
 						struct flowi *fl,
 						struct rt6_info *rt,
-						unsigned int flags);
+						unsigned int flags,
+						int dontfrag);
 
 extern int			ip6_push_pending_frames(struct sock *sk);
 
@@ -577,9 +578,11 @@ extern int			ip6_datagram_connect(struct sock *sk,
 						     struct sockaddr *addr, int addr_len);
 
 extern int 			ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len);
+extern int 			ipv6_recv_rxpmtu(struct sock *sk, struct msghdr *msg, int len);
 extern void			ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err, __be16 port,
 						u32 info, u8 *payload);
 extern void			ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info);
+extern void			ipv6_local_rxpmtu(struct sock *sk, struct flowi *fl, u32 mtu);
 
 extern int inet6_release(struct socket *sock);
 extern int inet6_bind(struct socket *sock, struct sockaddr *uaddr, 
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 344e5bf72062..54aa16b98b76 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -145,6 +145,7 @@ struct ieee80211_low_level_stats {
  * @BSS_CHANGED_BEACON_ENABLED: Beaconing should be
  *	enabled/disabled (beaconing modes)
  * @BSS_CHANGED_CQM: Connection quality monitor config changed
+ * @BSS_CHANGED_IBSS: IBSS join status changed
  */
 enum ieee80211_bss_change {
 	BSS_CHANGED_ASSOC		= 1<<0,
@@ -158,6 +159,7 @@ enum ieee80211_bss_change {
 	BSS_CHANGED_BEACON		= 1<<8,
 	BSS_CHANGED_BEACON_ENABLED	= 1<<9,
 	BSS_CHANGED_CQM			= 1<<10,
+	BSS_CHANGED_IBSS		= 1<<11,
 };
 
 /**
@@ -167,6 +169,8 @@ enum ieee80211_bss_change {
  * to that BSS) that can change during the lifetime of the BSS.
  *
  * @assoc: association status
+ * @ibss_joined: indicates whether this station is part of an IBSS
+ *	or not
  * @aid: association ID number, valid only when @assoc is true
  * @use_cts_prot: use CTS protection
  * @use_short_preamble: use 802.11b short preamble;
@@ -194,7 +198,7 @@ enum ieee80211_bss_change {
 struct ieee80211_bss_conf {
 	const u8 *bssid;
 	/* association related data */
-	bool assoc;
+	bool assoc, ibss_joined;
 	u16 aid;
 	/* erp related data */
 	bool use_cts_prot;
@@ -274,6 +278,9 @@ struct ieee80211_bss_conf {
  * @IEEE80211_TX_INTFL_NL80211_FRAME_TX: Frame was requested through nl80211
  *	MLME command (internal to mac80211 to figure out whether to send TX
  *	status to user space)
+ * @IEEE80211_TX_CTL_LDPC: tells the driver to use LDPC for this frame
+ * @IEEE80211_TX_CTL_STBC: Enables Space-Time Block Coding (STBC) for this
+ *	frame and selects the maximum number of streams that it can use.
  */
 enum mac80211_tx_control_flags {
 	IEEE80211_TX_CTL_REQ_TX_STATUS		= BIT(0),
@@ -297,6 +304,9 @@ enum mac80211_tx_control_flags {
 	IEEE80211_TX_INTFL_RETRANSMISSION	= BIT(19),
 	IEEE80211_TX_INTFL_HAS_RADIOTAP		= BIT(20),
 	IEEE80211_TX_INTFL_NL80211_FRAME_TX	= BIT(21),
+	IEEE80211_TX_CTL_LDPC			= BIT(22),
+	IEEE80211_TX_CTL_STBC			= BIT(23) | BIT(24),
+#define IEEE80211_TX_CTL_STBC_SHIFT		23
 };
 
 /**
@@ -395,11 +405,11 @@ struct ieee80211_tx_rate {
  * @status: union for status data
  * @driver_data: array of driver_data pointers
  * @ampdu_ack_len: number of acked aggregated frames.
- * 	relevant only if IEEE80211_TX_STATUS_AMPDU was set.
+ * 	relevant only if IEEE80211_TX_STAT_AMPDU was set.
  * @ampdu_ack_map: block ack bit map for the aggregation.
- * 	relevant only if IEEE80211_TX_STATUS_AMPDU was set.
+ * 	relevant only if IEEE80211_TX_STAT_AMPDU was set.
  * @ampdu_len: number of aggregated frames.
- * 	relevant only if IEEE80211_TX_STATUS_AMPDU was set.
+ * 	relevant only if IEEE80211_TX_STAT_AMPDU was set.
  * @ack_signal: signal strength of the ACK frame
  */
 struct ieee80211_tx_info {
@@ -550,7 +560,6 @@ enum mac80211_rx_flags {
  * @signal: signal strength when receiving this frame, either in dBm, in dB or
  *	unspecified depending on the hardware capabilities flags
  *	@IEEE80211_HW_SIGNAL_*
- * @noise: noise when receiving this frame, in dBm (DEPRECATED).
  * @antenna: antenna used
  * @rate_idx: index of data rate into band's supported rates or MCS index if
  *	HT rates are use (RX_FLAG_HT)
@@ -561,7 +570,6 @@ struct ieee80211_rx_status {
 	enum ieee80211_band band;
 	int freq;
 	int signal;
-	int noise __deprecated;
 	int antenna;
 	int rate_idx;
 	int flag;
@@ -610,6 +618,7 @@ enum ieee80211_conf_flags {
  * @IEEE80211_CONF_CHANGE_RETRY_LIMITS: retry limits changed
  * @IEEE80211_CONF_CHANGE_IDLE: Idle flag changed
  * @IEEE80211_CONF_CHANGE_SMPS: Spatial multiplexing powersave mode changed
+ * @IEEE80211_CONF_CHANGE_QOS: Quality of service was enabled or disabled
  */
 enum ieee80211_conf_changed {
 	IEEE80211_CONF_CHANGE_SMPS		= BIT(1),
@@ -661,6 +670,9 @@ enum ieee80211_smps_mode {
  * @dynamic_ps_timeout: The dynamic powersave timeout (in ms), see the
  *	powersave documentation below. This variable is valid only when
  *	the CONF_PS flag is set.
+ * @dynamic_ps_forced_timeout: The dynamic powersave timeout (in ms) configured
+ *	by cfg80211 (essentially, wext) If set, this value overrules the value
+ *	chosen by mac80211 based on ps qos network latency.
  *
  * @power_level: requested transmit power (in dBm)
  *
@@ -680,7 +692,7 @@ enum ieee80211_smps_mode {
  */
 struct ieee80211_conf {
 	u32 flags;
-	int power_level, dynamic_ps_timeout;
+	int power_level, dynamic_ps_timeout, dynamic_ps_forced_timeout;
 	int max_sleep_period;
 
 	u16 listen_interval;
@@ -791,6 +803,7 @@ struct ieee80211_key_conf {
 	u8 iv_len;
 	u8 hw_key_idx;
 	u8 flags;
+	u8 *ap_addr;
 	s8 keyidx;
 	u8 keylen;
 	u8 key[0];
@@ -919,10 +932,6 @@ enum ieee80211_tkip_key_type {
  *	one milliwatt. This is the preferred method since it is standardized
  *	between different devices. @max_signal does not need to be set.
  *
- * @IEEE80211_HW_NOISE_DBM:
- *	Hardware can provide noise (radio interference) values in units dBm,
- *      decibel difference from one milliwatt.
- *
  * @IEEE80211_HW_SPECTRUM_MGMT:
  * 	Hardware supports spectrum management defined in 802.11h
  * 	Measurement, Channel Switch, Quieting, TPC
@@ -986,7 +995,7 @@ enum ieee80211_hw_flags {
 	IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE	= 1<<4,
 	IEEE80211_HW_SIGNAL_UNSPEC			= 1<<5,
 	IEEE80211_HW_SIGNAL_DBM				= 1<<6,
-	IEEE80211_HW_NOISE_DBM				= 1<<7,
+	/* use this hole */
 	IEEE80211_HW_SPECTRUM_MGMT			= 1<<8,
 	IEEE80211_HW_AMPDU_AGGREGATION			= 1<<9,
 	IEEE80211_HW_SUPPORTS_PS			= 1<<10,
@@ -1646,7 +1655,7 @@ struct ieee80211_ops {
 				struct ieee80211_key_conf *conf,
 				struct ieee80211_sta *sta,
 				u32 iv32, u16 *phase1key);
-	int (*hw_scan)(struct ieee80211_hw *hw,
+	int (*hw_scan)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 		       struct cfg80211_scan_request *req);
 	void (*sw_scan_start)(struct ieee80211_hw *hw);
 	void (*sw_scan_complete)(struct ieee80211_hw *hw);
@@ -1671,7 +1680,8 @@ struct ieee80211_ops {
 			    struct ieee80211_vif *vif,
 			    enum ieee80211_ampdu_mlme_action action,
 			    struct ieee80211_sta *sta, u16 tid, u16 *ssn);
-
+	int (*get_survey)(struct ieee80211_hw *hw, int idx,
+		struct survey_info *survey);
 	void (*rfkill_poll)(struct ieee80211_hw *hw);
 	void (*set_coverage_class)(struct ieee80211_hw *hw, u8 coverage_class);
 #ifdef CONFIG_NL80211_TESTMODE
diff --git a/include/net/mld.h b/include/net/mld.h
new file mode 100644
index 000000000000..467143cd4e2f
--- /dev/null
+++ b/include/net/mld.h
@@ -0,0 +1,75 @@
+#ifndef LINUX_MLD_H
+#define LINUX_MLD_H
+
+#include <linux/in6.h>
+#include <linux/icmpv6.h>
+
+/* MLDv1 Query/Report/Done */
+struct mld_msg {
+	struct icmp6hdr		mld_hdr;
+	struct in6_addr		mld_mca;
+};
+
+#define mld_type		mld_hdr.icmp6_type
+#define mld_code		mld_hdr.icmp6_code
+#define mld_cksum		mld_hdr.icmp6_cksum
+#define mld_maxdelay		mld_hdr.icmp6_maxdelay
+#define mld_reserved		mld_hdr.icmp6_dataun.un_data16[1]
+
+/* Multicast Listener Discovery version 2 headers */
+/* MLDv2 Report */
+struct mld2_grec {
+	__u8		grec_type;
+	__u8		grec_auxwords;
+	__be16		grec_nsrcs;
+	struct in6_addr	grec_mca;
+	struct in6_addr	grec_src[0];
+};
+
+struct mld2_report {
+	struct icmp6hdr		mld2r_hdr;
+	struct mld2_grec	mld2r_grec[0];
+};
+
+#define mld2r_type		mld2r_hdr.icmp6_type
+#define mld2r_resv1		mld2r_hdr.icmp6_code
+#define mld2r_cksum		mld2r_hdr.icmp6_cksum
+#define mld2r_resv2		mld2r_hdr.icmp6_dataun.un_data16[0]
+#define mld2r_ngrec		mld2r_hdr.icmp6_dataun.un_data16[1]
+
+/* MLDv2 Query */
+struct mld2_query {
+	struct icmp6hdr		mld2q_hdr;
+	struct in6_addr		mld2q_mca;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+	__u8			mld2q_qrv:3,
+				mld2q_suppress:1,
+				mld2q_resv2:4;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+	__u8			mld2q_resv2:4,
+				mld2q_suppress:1,
+				mld2q_qrv:3;
+#else
+#error "Please fix <asm/byteorder.h>"
+#endif
+	__u8			mld2q_qqic;
+	__be16			mld2q_nsrcs;
+	struct in6_addr		mld2q_srcs[0];
+};
+
+#define mld2q_type		mld2q_hdr.icmp6_type
+#define mld2q_code		mld2q_hdr.icmp6_code
+#define mld2q_cksum		mld2q_hdr.icmp6_cksum
+#define mld2q_mrc		mld2q_hdr.icmp6_maxdelay
+#define mld2q_resv1		mld2q_hdr.icmp6_dataun.un_data16[1]
+
+/* Max Response Code */
+#define MLDV2_MASK(value, nb) ((nb)>=32 ? (value) : ((1<<(nb))-1) & (value))
+#define MLDV2_EXP(thresh, nbmant, nbexp, value) \
+	((value) < (thresh) ? (value) : \
+	((MLDV2_MASK(value, nbmant) | (1<<(nbmant))) << \
+	(MLDV2_MASK((value) >> (nbmant), nbexp) + (nbexp))))
+
+#define MLDV2_MRC(value) MLDV2_EXP(0x8000, 12, 3, value)
+
+#endif
diff --git a/include/net/netns/generic.h b/include/net/netns/generic.h
index ff4982ab84b6..81a31c0db3e7 100644
--- a/include/net/netns/generic.h
+++ b/include/net/netns/generic.h
@@ -14,11 +14,8 @@
  * The rules are simple:
  * 1. set pernet_operations->id.  After register_pernet_device you
  *    will have the id of your private pointer.
- * 2. Either set pernet_operations->size (to have the code allocate and
- *    free a private structure pointed to from struct net ) or 
- *    call net_assign_generic() to put the private data on the struct
- *    net (most preferably this should be done in the ->init callback
- *    of the ops registered);
+ * 2. set pernet_operations->size to have the code allocate and free
+ *    a private structure pointed to from struct net.
  * 3. do not change this pointer while the net is alive;
  * 4. do not try to have any private reference on the net_generic object.
  *
@@ -46,6 +43,4 @@ static inline void *net_generic(struct net *net, int id)
 
 	return ptr;
 }
-
-extern int net_assign_generic(struct net *net, int id, void *data);
 #endif
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index ae07feec6446..d68c3f121774 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -55,7 +55,6 @@ struct netns_ipv4 {
 	int sysctl_rt_cache_rebuild_count;
 	int current_rt_cache_rebuild_count;
 
-	struct timer_list rt_secret_timer;
 	atomic_t rt_genid;
 
 #ifdef CONFIG_IP_MROUTE
diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h
index 8be5135ff7aa..2c55a7ea20af 100644
--- a/include/net/sctp/command.h
+++ b/include/net/sctp/command.h
@@ -107,6 +107,7 @@ typedef enum {
 	SCTP_CMD_T1_RETRAN,	 /* Mark for retransmission after T1 timeout  */
 	SCTP_CMD_UPDATE_INITTAG, /* Update peer inittag */
 	SCTP_CMD_SEND_MSG,	 /* Send the whole use message */
+	SCTP_CMD_SEND_NEXT_ASCONF, /* Send the next ASCONF after ACK */
 	SCTP_CMD_LAST
 } sctp_verb_t;
 
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 59151557406c..65946bc43d00 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -128,6 +128,7 @@ extern int sctp_register_pf(struct sctp_pf *, sa_family_t);
 int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb);
 int sctp_inet_listen(struct socket *sock, int backlog);
 void sctp_write_space(struct sock *sk);
+void sctp_data_ready(struct sock *sk, int len);
 unsigned int sctp_poll(struct file *file, struct socket *sock,
 		poll_table *wait);
 void sctp_sock_rfree(struct sk_buff *skb);
@@ -546,7 +547,7 @@ for (pos = chunk->subh.fwdtsn_hdr->skip;\
 #define WORD_ROUND(s) (((s)+3)&~3)
 
 /* Make a new instance of type.  */
-#define t_new(type, flags)	(type *)kmalloc(sizeof(type), flags)
+#define t_new(type, flags)	(type *)kzalloc(sizeof(type), flags)
 
 /* Compare two timevals.  */
 #define tv_lt(s, t) \
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index 851c813adb3a..273a8bb683e3 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -437,7 +437,7 @@ sctp_vtag_verify_either(const struct sctp_chunk *chunk,
 	 */
         if ((!sctp_test_T_bit(chunk) &&
              (ntohl(chunk->sctp_hdr->vtag) == asoc->c.my_vtag)) ||
-	    (sctp_test_T_bit(chunk) &&
+	    (sctp_test_T_bit(chunk) && asoc->c.peer_vtag &&
 	     (ntohl(chunk->sctp_hdr->vtag) == asoc->c.peer_vtag))) {
                 return 1;
 	}
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index ff3017744711..43257b903c82 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -643,17 +643,15 @@ struct sctp_pf {
 struct sctp_datamsg {
 	/* Chunks waiting to be submitted to lower layer. */
 	struct list_head chunks;
-	/* Chunks that have been transmitted. */
-	size_t msg_size;
 	/* Reference counting. */
 	atomic_t refcnt;
 	/* When is this message no longer interesting to the peer? */
 	unsigned long expires_at;
 	/* Did the messenge fail to send? */
 	int send_error;
-	char send_failed;
-	/* Control whether chunks from this message can be abandoned. */
-	char can_abandon;
+	u8 send_failed:1,
+	   can_abandon:1,   /* can chunks from this message can be abandoned. */
+	   can_delay;	    /* should this message be Nagle delayed */
 };
 
 struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *,
@@ -757,7 +755,6 @@ struct sctp_chunk {
 #define SCTP_NEED_FRTX 0x1
 #define SCTP_DONT_FRTX 0x2
 	__u16	rtt_in_progress:1,	/* This chunk used for RTT calc? */
-		resent:1,		/* Has this chunk ever been resent. */
 		has_tsn:1,		/* Does this chunk have a TSN yet? */
 		has_ssn:1,		/* Does this chunk have a SSN yet? */
 		singleton:1,		/* Only chunk in the packet? */
@@ -778,6 +775,7 @@ int sctp_user_addto_chunk(struct sctp_chunk *chunk, int off, int len,
 			  struct iovec *data);
 void sctp_chunk_free(struct sctp_chunk *);
 void  *sctp_addto_chunk(struct sctp_chunk *, int len, const void *data);
+void  *sctp_addto_chunk_fixed(struct sctp_chunk *, int len, const void *data);
 struct sctp_chunk *sctp_chunkify(struct sk_buff *,
 				 const struct sctp_association *,
 				 struct sock *);
@@ -878,7 +876,30 @@ struct sctp_transport {
 
 	/* Reference counting. */
 	atomic_t refcnt;
-	int	 dead;
+	int	 dead:1,
+		/* RTO-Pending : A flag used to track if one of the DATA
+		 *		chunks sent to this address is currently being
+		 *		used to compute a RTT. If this flag is 0,
+		 *		the next DATA chunk sent to this destination
+		 *		should be used to compute a RTT and this flag
+		 *		should be set. Every time the RTT
+		 *		calculation completes (i.e. the DATA chunk
+		 *		is SACK'd) clear this flag.
+		 */
+		 rto_pending:1,
+
+		/*
+		 * hb_sent : a flag that signals that we have a pending
+		 * heartbeat.
+		 */
+		hb_sent:1,
+
+		/* Is the Path MTU update pending on this tranport */
+		pmtu_pending:1,
+
+		/* Is this structure kfree()able? */
+		malloced:1;
+
 
 	/* This is the peer's IP address and port. */
 	union sctp_addr ipaddr;
@@ -908,22 +929,6 @@ struct sctp_transport {
 	/* SRTT	       : The current smoothed round trip time.	*/
 	__u32 srtt;
 
-	/* RTO-Pending : A flag used to track if one of the DATA
-	 *		chunks sent to this address is currently being
-	 *		used to compute a RTT. If this flag is 0,
-	 *		the next DATA chunk sent to this destination
-	 *		should be used to compute a RTT and this flag
-	 *		should be set. Every time the RTT
-	 *		calculation completes (i.e. the DATA chunk
-	 *		is SACK'd) clear this flag.
-	 * hb_sent : a flag that signals that we have a pending heartbeat.
-	 */
-	__u8 rto_pending;
-	__u8 hb_sent;
-
-	/* Flag to track the current fast recovery state */
-	__u8 fast_recovery;
-
 	/*
 	 * These are the congestion stats.
 	 */
@@ -943,9 +948,6 @@ struct sctp_transport {
 
 	__u32 burst_limited;	/* Holds old cwnd when max.burst is applied */
 
-	/* TSN marking the fast recovery exit point */
-	__u32 fast_recovery_exit;
-
 	/* Destination */
 	struct dst_entry *dst;
 	/* Source address. */
@@ -976,9 +978,6 @@ struct sctp_transport {
 	 */
 	__u16 pathmaxrxt;
 
-	/* is the Path MTU update pending on this tranport */
-	__u8 pmtu_pending;
-
 	/* PMTU	      : The current known path MTU.  */
 	__u32 pathmtu;
 
@@ -1022,8 +1021,6 @@ struct sctp_transport {
 	/* This is the list of transports that have chunks to send.  */
 	struct list_head send_ready;
 
-	int malloced; /* Is this structure kfree()able? */
-
 	/* State information saved for SFR_CACC algorithm. The key
 	 * idea in SFR_CACC is to maintain state at the sender on a
 	 * per-destination basis when a changeover happens.
@@ -1065,7 +1062,7 @@ void sctp_transport_route(struct sctp_transport *, union sctp_addr *,
 			  struct sctp_sock *);
 void sctp_transport_pmtu(struct sctp_transport *);
 void sctp_transport_free(struct sctp_transport *);
-void sctp_transport_reset_timers(struct sctp_transport *, int);
+void sctp_transport_reset_timers(struct sctp_transport *);
 void sctp_transport_hold(struct sctp_transport *);
 void sctp_transport_put(struct sctp_transport *);
 void sctp_transport_update_rto(struct sctp_transport *, __u32);
@@ -1719,6 +1716,12 @@ struct sctp_association {
 	/* Highest TSN that is acknowledged by incoming SACKs. */
 	__u32 highest_sacked;
 
+	/* TSN marking the fast recovery exit point */
+	__u32 fast_recovery_exit;
+
+	/* Flag to track the current fast recovery state */
+	__u8 fast_recovery;
+
 	/* The number of unacknowledged data chunks.  Reported through
 	 * the SCTP_STATUS sockopt.
 	 */
diff --git a/include/net/snmp.h b/include/net/snmp.h
index 884fdbb74b23..92456f1035f5 100644
--- a/include/net/snmp.h
+++ b/include/net/snmp.h
@@ -133,6 +133,8 @@ struct linux_xfrm_mib {
 			__this_cpu_add(mib[0]->mibs[field], addend)
 #define SNMP_ADD_STATS_USER(mib, field, addend)	\
 			this_cpu_add(mib[1]->mibs[field], addend)
+#define SNMP_ADD_STATS(mib, field, addend)	\
+			this_cpu_add(mib[0]->mibs[field], addend)
 /*
  * Use "__typeof__(*mib[0]) *ptr" instead of "__typeof__(mib[0]) ptr"
  * to make @ptr a non-percpu pointer.
diff --git a/include/net/sock.h b/include/net/sock.h
index 56df440a950b..328e03f47dd1 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -74,7 +74,7 @@
 					printk(KERN_DEBUG msg); } while (0)
 #else
 /* Validate arguments and do nothing */
-static void inline int __attribute__ ((format (printf, 2, 3)))
+static inline void __attribute__ ((format (printf, 2, 3)))
 SOCK_DEBUG(struct sock *sk, const char *msg, ...)
 {
 }
@@ -159,7 +159,7 @@ struct sock_common {
   *	@sk_userlocks: %SO_SNDBUF and %SO_RCVBUF settings
   *	@sk_lock:	synchronizer
   *	@sk_rcvbuf: size of receive buffer in bytes
-  *	@sk_sleep: sock wait queue
+  *	@sk_wq: sock wait queue and async head
   *	@sk_dst_cache: destination cache
   *	@sk_dst_lock: destination cache lock
   *	@sk_policy: flow policy
@@ -198,6 +198,7 @@ struct sock_common {
   *	@sk_rcvlowat: %SO_RCVLOWAT setting
   *	@sk_rcvtimeo: %SO_RCVTIMEO setting
   *	@sk_sndtimeo: %SO_SNDTIMEO setting
+  *	@sk_rxhash: flow hash received from netif layer
   *	@sk_filter: socket filtering instructions
   *	@sk_protinfo: private area, net family specific, when not using slab
   *	@sk_timer: sock cleanup timer
@@ -255,9 +256,8 @@ struct sock {
 		struct sk_buff *head;
 		struct sk_buff *tail;
 		int len;
-		int limit;
 	} sk_backlog;
-	wait_queue_head_t	*sk_sleep;
+	struct socket_wq	*sk_wq;
 	struct dst_entry	*sk_dst_cache;
 #ifdef CONFIG_XFRM
 	struct xfrm_policy	*sk_policy[2];
@@ -279,6 +279,9 @@ struct sock {
 	int			sk_gso_type;
 	unsigned int		sk_gso_max_size;
 	int			sk_rcvlowat;
+#ifdef CONFIG_RPS
+	__u32			sk_rxhash;
+#endif
 	unsigned long 		sk_flags;
 	unsigned long	        sk_lingertime;
 	struct sk_buff_head	sk_error_queue;
@@ -604,10 +607,20 @@ static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb)
 	skb->next = NULL;
 }
 
+/*
+ * Take into account size of receive queue and backlog queue
+ */
+static inline bool sk_rcvqueues_full(const struct sock *sk, const struct sk_buff *skb)
+{
+	unsigned int qsize = sk->sk_backlog.len + atomic_read(&sk->sk_rmem_alloc);
+
+	return qsize + skb->truesize > sk->sk_rcvbuf;
+}
+
 /* The per-socket spinlock must be held here. */
 static inline __must_check int sk_add_backlog(struct sock *sk, struct sk_buff *skb)
 {
-	if (sk->sk_backlog.len >= max(sk->sk_backlog.limit, sk->sk_rcvbuf << 1))
+	if (sk_rcvqueues_full(sk, skb))
 		return -ENOBUFS;
 
 	__sk_add_backlog(sk, skb);
@@ -620,6 +633,40 @@ static inline int sk_backlog_rcv(struct sock *sk, struct sk_buff *skb)
 	return sk->sk_backlog_rcv(sk, skb);
 }
 
+static inline void sock_rps_record_flow(const struct sock *sk)
+{
+#ifdef CONFIG_RPS
+	struct rps_sock_flow_table *sock_flow_table;
+
+	rcu_read_lock();
+	sock_flow_table = rcu_dereference(rps_sock_flow_table);
+	rps_record_sock_flow(sock_flow_table, sk->sk_rxhash);
+	rcu_read_unlock();
+#endif
+}
+
+static inline void sock_rps_reset_flow(const struct sock *sk)
+{
+#ifdef CONFIG_RPS
+	struct rps_sock_flow_table *sock_flow_table;
+
+	rcu_read_lock();
+	sock_flow_table = rcu_dereference(rps_sock_flow_table);
+	rps_reset_sock_flow(sock_flow_table, sk->sk_rxhash);
+	rcu_read_unlock();
+#endif
+}
+
+static inline void sock_rps_save_rxhash(struct sock *sk, u32 rxhash)
+{
+#ifdef CONFIG_RPS
+	if (unlikely(sk->sk_rxhash != rxhash)) {
+		sock_rps_reset_flow(sk);
+		sk->sk_rxhash = rxhash;
+	}
+#endif
+}
+
 #define sk_wait_event(__sk, __timeo, __condition)			\
 	({	int __rc;						\
 		release_sock(__sk);					\
@@ -974,6 +1021,16 @@ extern void release_sock(struct sock *sk);
 				SINGLE_DEPTH_NESTING)
 #define bh_unlock_sock(__sk)	spin_unlock(&((__sk)->sk_lock.slock))
 
+static inline void lock_sock_bh(struct sock *sk)
+{
+	spin_lock_bh(&sk->sk_lock.slock);
+}
+
+static inline void unlock_sock_bh(struct sock *sk)
+{
+	spin_unlock_bh(&sk->sk_lock.slock);
+}
+
 extern struct sock		*sk_alloc(struct net *net, int family,
 					  gfp_t priority,
 					  struct proto *prot);
@@ -1160,6 +1217,10 @@ static inline void sk_set_socket(struct sock *sk, struct socket *sock)
 	sk->sk_socket = sock;
 }
 
+static inline wait_queue_head_t *sk_sleep(struct sock *sk)
+{
+	return &sk->sk_wq->wait;
+}
 /* Detach socket from process context.
  * Announce socket dead, detach it from wait queue and inode.
  * Note that parent inode held reference count on this struct sock,
@@ -1172,14 +1233,14 @@ static inline void sock_orphan(struct sock *sk)
 	write_lock_bh(&sk->sk_callback_lock);
 	sock_set_flag(sk, SOCK_DEAD);
 	sk_set_socket(sk, NULL);
-	sk->sk_sleep  = NULL;
+	sk->sk_wq  = NULL;
 	write_unlock_bh(&sk->sk_callback_lock);
 }
 
 static inline void sock_graft(struct sock *sk, struct socket *parent)
 {
 	write_lock_bh(&sk->sk_callback_lock);
-	sk->sk_sleep = &parent->wait;
+	rcu_assign_pointer(sk->sk_wq, parent->wq);
 	parent->sk = sk;
 	sk_set_socket(sk, parent);
 	security_sock_graft(sk, parent);
@@ -1193,7 +1254,8 @@ static inline struct dst_entry *
 __sk_dst_get(struct sock *sk)
 {
 	return rcu_dereference_check(sk->sk_dst_cache, rcu_read_lock_held() ||
-						       sock_owned_by_user(sk));
+						       sock_owned_by_user(sk) ||
+						       lockdep_is_held(&sk->sk_lock.slock));
 }
 
 static inline struct dst_entry *
@@ -1231,8 +1293,11 @@ __sk_dst_set(struct sock *sk, struct dst_entry *dst)
 	struct dst_entry *old_dst;
 
 	sk_tx_queue_clear(sk);
-	old_dst = rcu_dereference_check(sk->sk_dst_cache,
-					lockdep_is_held(&sk->sk_dst_lock));
+	/*
+	 * This can be called while sk is owned by the caller only,
+	 * with no state that can be checked in a rcu_dereference_check() cond
+	 */
+	old_dst = rcu_dereference_raw(sk->sk_dst_cache);
 	rcu_assign_pointer(sk->sk_dst_cache, dst);
 	dst_release(old_dst);
 }
@@ -1327,12 +1392,12 @@ static inline int sk_has_allocations(const struct sock *sk)
 }
 
 /**
- * sk_has_sleeper - check if there are any waiting processes
- * @sk: socket
+ * wq_has_sleeper - check if there are any waiting processes
+ * @sk: struct socket_wq
  *
- * Returns true if socket has waiting processes
+ * Returns true if socket_wq has waiting processes
  *
- * The purpose of the sk_has_sleeper and sock_poll_wait is to wrap the memory
+ * The purpose of the wq_has_sleeper and sock_poll_wait is to wrap the memory
  * barrier call. They were added due to the race found within the tcp code.
  *
  * Consider following tcp code paths:
@@ -1345,9 +1410,10 @@ static inline int sk_has_allocations(const struct sock *sk)
  *   ...                 ...
  *   tp->rcv_nxt check   sock_def_readable
  *   ...                 {
- *   schedule               ...
- *                          if (sk->sk_sleep && waitqueue_active(sk->sk_sleep))
- *                              wake_up_interruptible(sk->sk_sleep)
+ *   schedule               rcu_read_lock();
+ *                          wq = rcu_dereference(sk->sk_wq);
+ *                          if (wq && waitqueue_active(&wq->wait))
+ *                              wake_up_interruptible(&wq->wait)
  *                          ...
  *                       }
  *
@@ -1356,19 +1422,18 @@ static inline int sk_has_allocations(const struct sock *sk)
  * could then endup calling schedule and sleep forever if there are no more
  * data on the socket.
  *
- * The sk_has_sleeper is always called right after a call to read_lock, so we
- * can use smp_mb__after_lock barrier.
  */
-static inline int sk_has_sleeper(struct sock *sk)
+static inline bool wq_has_sleeper(struct socket_wq *wq)
 {
+
 	/*
 	 * We need to be sure we are in sync with the
 	 * add_wait_queue modifications to the wait queue.
 	 *
 	 * This memory barrier is paired in the sock_poll_wait.
 	 */
-	smp_mb__after_lock();
-	return sk->sk_sleep && waitqueue_active(sk->sk_sleep);
+	smp_mb();
+	return wq && waitqueue_active(&wq->wait);
 }
 
 /**
@@ -1377,7 +1442,7 @@ static inline int sk_has_sleeper(struct sock *sk)
  * @wait_address:   socket wait queue
  * @p:              poll_table
  *
- * See the comments in the sk_has_sleeper function.
+ * See the comments in the wq_has_sleeper function.
  */
 static inline void sock_poll_wait(struct file *filp,
 		wait_queue_head_t *wait_address, poll_table *p)
@@ -1388,7 +1453,7 @@ static inline void sock_poll_wait(struct file *filp,
 		 * We need to be sure we are in sync with the
 		 * socket flags modification.
 		 *
-		 * This memory barrier is paired in the sk_has_sleeper.
+		 * This memory barrier is paired in the wq_has_sleeper.
 		*/
 		smp_mb();
 	}
@@ -1570,7 +1635,24 @@ sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb)
 		sk->sk_stamp = kt;
 }
 
-extern void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk, struct sk_buff *skb);
+extern void __sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
+				     struct sk_buff *skb);
+
+static inline void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
+					  struct sk_buff *skb)
+{
+#define FLAGS_TS_OR_DROPS ((1UL << SOCK_RXQ_OVFL)			| \
+			   (1UL << SOCK_RCVTSTAMP)			| \
+			   (1UL << SOCK_TIMESTAMPING_RX_SOFTWARE)	| \
+			   (1UL << SOCK_TIMESTAMPING_SOFTWARE)		| \
+			   (1UL << SOCK_TIMESTAMPING_RAW_HARDWARE) 	| \
+			   (1UL << SOCK_TIMESTAMPING_SYS_HARDWARE))
+
+	if (sk->sk_flags & FLAGS_TS_OR_DROPS)
+		__sock_recv_ts_and_drops(msg, sk, skb);
+	else
+		sk->sk_stamp = skb->tstamp;
+}
 
 /**
  * sock_tx_timestamp - checks whether the outgoing packet is to be time stamped
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 70c5159f4b36..fb5c66b2ab81 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -294,6 +294,7 @@ extern struct proto tcp_prot;
 #define TCP_INC_STATS_BH(net, field)	SNMP_INC_STATS_BH((net)->mib.tcp_statistics, field)
 #define TCP_DEC_STATS(net, field)	SNMP_DEC_STATS((net)->mib.tcp_statistics, field)
 #define TCP_ADD_STATS_USER(net, field, val) SNMP_ADD_STATS_USER((net)->mib.tcp_statistics, field, val)
+#define TCP_ADD_STATS(net, field, val)	SNMP_ADD_STATS((net)->mib.tcp_statistics, field, val)
 
 extern void			tcp_v4_err(struct sk_buff *skb, u32);
 
@@ -939,7 +940,7 @@ static inline int tcp_prequeue(struct sock *sk, struct sk_buff *skb)
 
 		tp->ucopy.memory = 0;
 	} else if (skb_queue_len(&tp->ucopy.prequeue) == 1) {
-		wake_up_interruptible_sync_poll(sk->sk_sleep,
+		wake_up_interruptible_sync_poll(sk_sleep(sk),
 					   POLLIN | POLLRDNORM | POLLRDBAND);
 		if (!inet_csk_ack_scheduled(sk))
 			inet_csk_reset_xmit_timer(sk, ICSK_TIME_DACK,
@@ -1032,6 +1033,14 @@ static inline int keepalive_probes(const struct tcp_sock *tp)
 	return tp->keepalive_probes ? : sysctl_tcp_keepalive_probes;
 }
 
+static inline u32 keepalive_time_elapsed(const struct tcp_sock *tp)
+{
+	const struct inet_connection_sock *icsk = &tp->inet_conn;
+
+	return min_t(u32, tcp_time_stamp - icsk->icsk_ack.lrcvtime,
+			  tcp_time_stamp - tp->rcv_tstamp);
+}
+
 static inline int tcp_fin_time(const struct sock *sk)
 {
 	int fin_timeout = tcp_sk(sk)->linger2 ? : sysctl_tcp_fin_timeout;
diff --git a/include/net/transp_v6.h b/include/net/transp_v6.h
index d65381cad0fc..42a0eb68b7b6 100644
--- a/include/net/transp_v6.h
+++ b/include/net/transp_v6.h
@@ -44,7 +44,8 @@ extern int			datagram_send_ctl(struct net *net,
 						  struct msghdr *msg,
 						  struct flowi *fl,
 						  struct ipv6_txoptions *opt,
-						  int *hlimit, int *tclass);
+						  int *hlimit, int *tclass,
+						  int *dontfrag);
 
 #define		LOOPBACK4_IPV6		cpu_to_be32(0x7f000006)
 
diff --git a/include/net/x25device.h b/include/net/x25device.h
index 1415bcf93980..1fa08b49f1c2 100644
--- a/include/net/x25device.h
+++ b/include/net/x25device.h
@@ -3,6 +3,7 @@
 
 #include <linux/if_ether.h>
 #include <linux/if_packet.h>
+#include <linux/if_x25.h>
 #include <linux/skbuff.h>
 
 static inline __be16 x25_type_trans(struct sk_buff *skb, struct net_device *dev)