50 files changed, 1827 insertions, 268 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/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index ce3c99e5fa25..e42f6ed5421c 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -107,6 +107,8 @@ struct hci_dev {
         unsigned long   acl_last_tx;
         unsigned long   sco_last_tx;
 
+        struct workqueue_struct *workqueue;
+
         struct tasklet_struct   cmd_task;
         struct tasklet_struct   rx_task;
         struct tasklet_struct   tx_task;
@@ -636,8 +638,8 @@ int hci_register_notifier(struct notifier_block *nb);
 int hci_unregister_notifier(struct notifier_block *nb);
 
 int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
-int hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags);
-int hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
+void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags);
+void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
 
 void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
 
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 17a689f27a6a..7c695bfd853c 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -30,11 +30,12 @@
 #define L2CAP_DEFAULT_MIN_MTU           48
 #define L2CAP_DEFAULT_FLUSH_TO          0xffff
 #define L2CAP_DEFAULT_TX_WINDOW         63
-#define L2CAP_DEFAULT_NUM_TO_ACK        (L2CAP_DEFAULT_TX_WINDOW/5)
 #define L2CAP_DEFAULT_MAX_TX            3
 #define L2CAP_DEFAULT_RETRANS_TO        1000    /* 1 second */
 #define L2CAP_DEFAULT_MONITOR_TO        12000   /* 12 seconds */
 #define L2CAP_DEFAULT_MAX_PDU_SIZE      672
+#define L2CAP_DEFAULT_ACK_TO            200
+#define L2CAP_LOCAL_BUSY_TRIES          12
 
 #define L2CAP_CONN_TIMEOUT      (40000) /* 40 seconds */
 #define L2CAP_INFO_TIMEOUT      (4000)  /*  4 seconds */
@@ -55,6 +56,8 @@ struct l2cap_options {
         __u16 flush_to;
         __u8  mode;
         __u8  fcs;
+        __u8  max_tx;
+        __u16 txwin_size;
 };
 
 #define L2CAP_CONNINFO  0x02
@@ -292,6 +295,7 @@ struct l2cap_conn {
 #define l2cap_pi(sk) ((struct l2cap_pinfo *) sk)
 #define TX_QUEUE(sk) (&l2cap_pi(sk)->tx_queue)
 #define SREJ_QUEUE(sk) (&l2cap_pi(sk)->srej_queue)
+#define BUSY_QUEUE(sk) (&l2cap_pi(sk)->busy_queue)
 #define SREJ_LIST(sk) (&l2cap_pi(sk)->srej_l.list)
 
 struct srej_list {
@@ -320,7 +324,7 @@ struct l2cap_pinfo {
         __u8            conf_req[64];
         __u8            conf_len;
         __u8            conf_state;
-        __u8            conn_state;
+        __u16           conn_state;
 
         __u8            next_tx_seq;
         __u8            expected_ack_seq;
@@ -328,27 +332,35 @@ struct l2cap_pinfo {
         __u8            buffer_seq;
         __u8            buffer_seq_srej;
         __u8            srej_save_reqseq;
+        __u8            frames_sent;
         __u8            unacked_frames;
         __u8            retry_count;
-        __u8            num_to_ack;
+        __u8            num_acked;
         __u16           sdu_len;
         __u16           partial_sdu_len;
         struct sk_buff  *sdu;
 
         __u8            ident;
 
+        __u8            tx_win;
+        __u8            max_tx;
         __u8            remote_tx_win;
         __u8            remote_max_tx;
         __u16           retrans_timeout;
         __u16           monitor_timeout;
-        __u16           max_pdu_size;
+        __u16           remote_mps;
+        __u16           mps;
 
         __le16          sport;
 
+        spinlock_t              send_lock;
         struct timer_list       retrans_timer;
         struct timer_list       monitor_timer;
+        struct timer_list       ack_timer;
         struct sk_buff_head     tx_queue;
         struct sk_buff_head     srej_queue;
+        struct sk_buff_head     busy_queue;
+        struct work_struct      busy_work;
         struct srej_list        srej_l;
         struct l2cap_conn       *conn;
         struct sock             *next_c;
@@ -367,19 +379,24 @@ struct l2cap_pinfo {
 #define L2CAP_CONF_MAX_CONF_REQ 2
 #define L2CAP_CONF_MAX_CONF_RSP 2
 
-#define L2CAP_CONN_SAR_SDU         0x01
-#define L2CAP_CONN_SREJ_SENT       0x02
-#define L2CAP_CONN_WAIT_F          0x04
-#define L2CAP_CONN_SREJ_ACT        0x08
-#define L2CAP_CONN_SEND_PBIT       0x10
-#define L2CAP_CONN_REMOTE_BUSY     0x20
-#define L2CAP_CONN_LOCAL_BUSY      0x40
-#define L2CAP_CONN_REJ_ACT         0x80
+#define L2CAP_CONN_SAR_SDU         0x0001
+#define L2CAP_CONN_SREJ_SENT       0x0002
+#define L2CAP_CONN_WAIT_F          0x0004
+#define L2CAP_CONN_SREJ_ACT        0x0008
+#define L2CAP_CONN_SEND_PBIT       0x0010
+#define L2CAP_CONN_REMOTE_BUSY     0x0020
+#define L2CAP_CONN_LOCAL_BUSY      0x0040
+#define L2CAP_CONN_REJ_ACT         0x0080
+#define L2CAP_CONN_SEND_FBIT       0x0100
+#define L2CAP_CONN_RNR_SENT        0x0200
+#define L2CAP_CONN_SAR_RETRY       0x0400
 
 #define __mod_retrans_timer() mod_timer(&l2cap_pi(sk)->retrans_timer, \
                 jiffies +  msecs_to_jiffies(L2CAP_DEFAULT_RETRANS_TO));
 #define __mod_monitor_timer() mod_timer(&l2cap_pi(sk)->monitor_timer, \
                 jiffies + msecs_to_jiffies(L2CAP_DEFAULT_MONITOR_TO));
+#define __mod_ack_timer() mod_timer(&l2cap_pi(sk)->ack_timer, \
+                jiffies + msecs_to_jiffies(L2CAP_DEFAULT_ACK_TO));
 
 static inline int l2cap_tx_window_full(struct sock *sk)
 {
diff --git a/include/net/caif/caif_dev.h b/include/net/caif/caif_dev.h
new file mode 100644
index 000000000000..318ab9478a44
--- /dev/null
+++ b/include/net/caif/caif_dev.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) ST-Ericsson AB 2010
+ * Author:      Sjur Brendeland/ sjur.brandeland@stericsson.com
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#ifndef CAIF_DEV_H_
+#define CAIF_DEV_H_
+
+#include <net/caif/caif_layer.h>
+#include <net/caif/cfcnfg.h>
+#include <linux/caif/caif_socket.h>
+#include <linux/if.h>
+
+/**
+ * struct caif_param - CAIF parameters.
+ * @size:       Length of data
+ * @data:       Binary Data Blob
+ */
+struct caif_param {
+        u16  size;
+        u8   data[256];
+};
+
+/**
+ * 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 {
+        enum caif_protocol_type protocol;
+        struct sockaddr_caif sockaddr;
+        enum caif_channel_priority priority;
+        enum caif_link_selector link_selector;
+        char link_name[16];
+        struct caif_param param;
+};
+
+/**
+ * caif_connect_client - Connect a client to CAIF Core Stack.
+ * @config:             Channel setup parameters, specifying what address
+ *                      to connect on the Modem.
+ * @client_layer:       User implementation of client layer. This layer
+ *                      MUST have receive and control callback functions
+ *                      implemented.
+ *
+ * This function connects a CAIF channel. The Client must implement
+ * the struct cflayer. This layer represents the Client layer and holds
+ * receive functions and control callback functions. Control callback
+ * function will receive information about connect/disconnect responses,
+ * flow control etc (see enum caif_control).
+ * E.g. CAIF Socket will call this function for each socket it connects
+ * and have one client_layer instance for each socket.
+ */
+int caif_connect_client(struct caif_connect_request *config,
+                           struct cflayer *client_layer);
+
+/**
+ * caif_disconnect_client - Disconnects a client from the CAIF stack.
+ *
+ * @client_layer: Client layer to be removed.
+ */
+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
+ * @con_req:    Configuration parameters supplied in function
+ *              caif_connect_client
+ * @channel_setup_param: Parameters supplied to the CAIF Core stack for
+ *                       setting up channels.
+ *
+ */
+int connect_req_to_link_param(struct cfcnfg *cnfg,
+                                struct caif_connect_request *con_req,
+                                struct cfctrl_link_param *channel_setup_param);
+
+/**
+ * get_caif_conf() - Get the configuration handler.
+ */
+struct cfcnfg *get_caif_conf(void);
+
+
+#endif /* CAIF_DEV_H_ */
diff --git a/include/net/caif/caif_device.h b/include/net/caif/caif_device.h
new file mode 100644
index 000000000000..d02f044adb8a
--- /dev/null
+++ b/include/net/caif/caif_device.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) ST-Ericsson AB 2010
+ * Author:      Sjur Brendeland/ sjur.brandeland@stericsson.com
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#ifndef CAIF_DEVICE_H_
+#define CAIF_DEVICE_H_
+#include <linux/kernel.h>
+#include <linux/net.h>
+#include <linux/netdevice.h>
+#include <linux/caif/caif_socket.h>
+#include <net/caif/caif_device.h>
+
+/**
+ * struct caif_dev_common - data shared between CAIF drivers and stack.
+ * @flowctrl:           Flow Control callback function. This function is
+ *                      supplied by CAIF Core Stack and is used by CAIF
+ *                      Link Layer to send flow-stop to CAIF Core.
+ *                      The flow information will be distributed to all
+ *                      clients of CAIF.
+ *
+ * @link_select:        Profile of device, either high-bandwidth or
+ *                      low-latency. This member is set by CAIF Link
+ *                      Layer Device in order to indicate if this device
+ *                      is a high bandwidth or low latency device.
+ *
+ * @use_frag:           CAIF Frames may be fragmented.
+ *                      Is set by CAIF Link Layer in order to indicate if the
+ *                      interface receives fragmented frames that must be
+ *                      assembled by CAIF Core Layer.
+ *
+ * @use_fcs:            Indicate if Frame CheckSum (fcs) is used.
+ *                      Is set if the physical interface is
+ *                      using Frame Checksum on the CAIF Frames.
+ *
+ * @use_stx:            Indicate STart of frame eXtension (stx) in use.
+ *                      Is set if the CAIF Link Layer expects
+ *                      CAIF Frames to start with the STX byte.
+ *
+ * This structure is shared between the CAIF drivers and the CAIF stack.
+ * It is used by the device to register its behavior.
+ * CAIF Core layer must set the member flowctrl in order to supply
+ * CAIF Link Layer with the flow control function.
+ *
+ */
+ struct caif_dev_common {
+        void (*flowctrl)(struct net_device *net, int on);
+        enum caif_link_selector link_select;
+        int use_frag;
+        int use_fcs;
+        int use_stx;
+};
+
+#endif  /* CAIF_DEVICE_H_ */
diff --git a/include/net/caif/caif_layer.h b/include/net/caif/caif_layer.h
new file mode 100644
index 000000000000..25c472f0e5b8
--- /dev/null
+++ b/include/net/caif/caif_layer.h
@@ -0,0 +1,283 @@
+/*
+ * Copyright (C) ST-Ericsson AB 2010
+ * Author:      Sjur Brendeland / sjur.brandeland@stericsson.com
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#ifndef CAIF_LAYER_H_
+#define CAIF_LAYER_H_
+
+#include <linux/list.h>
+
+struct cflayer;
+struct cfpkt;
+struct cfpktq;
+struct caif_payload_info;
+struct caif_packet_funcs;
+
+#define CAIF_MAX_FRAMESIZE 4096
+#define CAIF_MAX_PAYLOAD_SIZE (4096 - 64)
+#define CAIF_NEEDED_HEADROOM (10)
+#define CAIF_NEEDED_TAILROOM (2)
+
+#define CAIF_LAYER_NAME_SZ 16
+#define CAIF_SUCCESS    1
+#define CAIF_FAILURE    0
+
+/**
+ * caif_assert() - Assert function for CAIF.
+ * @assert: expression to evaluate.
+ *
+ * This function will print a error message and a do WARN_ON if the
+ * assertion failes. Normally this will do a stack up at the current location.
+ */
+#define caif_assert(assert)                                     \
+do {                                                            \
+        if (!(assert)) {                                        \
+                pr_err("caif:Assert detected:'%s'\n", #assert); \
+                WARN_ON(!(assert));                             \
+        }                                                       \
+} while (0)
+
+
+/**
+ * enum caif_ctrlcmd - CAIF Stack Control Signaling sent in layer.ctrlcmd().
+ *
+ * @CAIF_CTRLCMD_FLOW_OFF_IND:          Flow Control is OFF, transmit function
+ *                                      should stop sending data
+ *
+ * @CAIF_CTRLCMD_FLOW_ON_IND:           Flow Control is ON, transmit function
+ *                                      can start sending data
+ *
+ * @CAIF_CTRLCMD_REMOTE_SHUTDOWN_IND:   Remote end modem has decided to close
+ *                                      down channel
+ *
+ * @CAIF_CTRLCMD_INIT_RSP:              Called initially when the layer below
+ *                                      has finished initialization
+ *
+ * @CAIF_CTRLCMD_DEINIT_RSP:            Called when de-initialization is
+ *                                      complete
+ *
+ * @CAIF_CTRLCMD_INIT_FAIL_RSP:         Called if initialization fails
+ *
+ * @_CAIF_CTRLCMD_PHYIF_FLOW_OFF_IND:   CAIF Link layer temporarily cannot
+ *                                      send more packets.
+ * @_CAIF_CTRLCMD_PHYIF_FLOW_ON_IND:    Called if CAIF Link layer is able
+ *                                      to send packets again.
+ * @_CAIF_CTRLCMD_PHYIF_DOWN_IND:       Called if CAIF Link layer is going
+ *                                      down.
+ *
+ * These commands are sent upwards in the CAIF stack to the CAIF Client.
+ * They are used for signaling originating from the modem or CAIF Link Layer.
+ * These are either responses (*_RSP) or events (*_IND).
+ */
+enum caif_ctrlcmd {
+        CAIF_CTRLCMD_FLOW_OFF_IND,
+        CAIF_CTRLCMD_FLOW_ON_IND,
+        CAIF_CTRLCMD_REMOTE_SHUTDOWN_IND,
+        CAIF_CTRLCMD_INIT_RSP,
+        CAIF_CTRLCMD_DEINIT_RSP,
+        CAIF_CTRLCMD_INIT_FAIL_RSP,
+        _CAIF_CTRLCMD_PHYIF_FLOW_OFF_IND,
+        _CAIF_CTRLCMD_PHYIF_FLOW_ON_IND,
+        _CAIF_CTRLCMD_PHYIF_DOWN_IND,
+};
+
+/**
+ * enum caif_modemcmd -  Modem Control Signaling, sent from CAIF Client
+ *                       to the CAIF Link Layer or modem.
+ *
+ * @CAIF_MODEMCMD_FLOW_ON_REQ:          Flow Control is ON, transmit function
+ *                                      can start sending data.
+ *
+ * @CAIF_MODEMCMD_FLOW_OFF_REQ:         Flow Control is OFF, transmit function
+ *                                      should stop sending data.
+ *
+ * @_CAIF_MODEMCMD_PHYIF_USEFULL:       Notify physical layer that it is in use
+ *
+ * @_CAIF_MODEMCMD_PHYIF_USELESS:       Notify physical layer that it is
+ *                                      no longer in use.
+ *
+ * These are requests sent 'downwards' in the stack.
+ * Flow ON, OFF can be indicated to the modem.
+ */
+enum caif_modemcmd {
+        CAIF_MODEMCMD_FLOW_ON_REQ = 0,
+        CAIF_MODEMCMD_FLOW_OFF_REQ = 1,
+        _CAIF_MODEMCMD_PHYIF_USEFULL = 3,
+        _CAIF_MODEMCMD_PHYIF_USELESS = 4
+};
+
+/**
+ * enum caif_direction - CAIF Packet Direction.
+ * Indicate if a packet is to be sent out or to be received in.
+ * @CAIF_DIR_IN:                Incoming packet received.
+ * @CAIF_DIR_OUT:               Outgoing packet to be transmitted.
+ */
+enum caif_direction {
+        CAIF_DIR_IN = 0,
+        CAIF_DIR_OUT = 1
+};
+
+/**
+ * struct cflayer - CAIF Stack layer.
+ * Defines the framework for the CAIF Core Stack.
+ * @up:         Pointer up to the layer above.
+ * @dn:         Pointer down to the layer below.
+ * @node:       List node used when layer participate in a list.
+ * @receive:    Packet receive function.
+ * @transmit:   Packet transmit funciton.
+ * @ctrlcmd:    Used for control signalling upwards in the stack.
+ * @modemcmd:   Used for control signaling downwards in the stack.
+ * @prio:       Priority of this layer.
+ * @id:         The identity of this layer
+ * @type:       The type of this layer
+ * @name:       Name of the layer.
+ *
+ *  This structure defines the layered structure in CAIF.
+ *
+ *  It defines CAIF layering structure, used by all CAIF Layers and the
+ *  layers interfacing CAIF.
+ *
+ *  In order to integrate with CAIF an adaptation layer on top of the CAIF stack
+ *  and PHY layer below the CAIF stack
+ *  must be implemented. These layer must follow the design principles below.
+ *
+ *  Principles for layering of protocol layers:
+ *    - All layers must use this structure. If embedding it, then place this
+ *      structure first in the layer specific structure.
+ *
+ *    - Each layer should not depend on any others layer private data.
+ *
+ *    - In order to send data upwards do
+ *      layer->up->receive(layer->up, packet);
+ *
+ *    - In order to send data downwards do
+ *      layer->dn->transmit(layer->dn, info, packet);
+ */
+struct cflayer {
+        struct cflayer *up;
+        struct cflayer *dn;
+        struct list_head node;
+
+        /*
+         *  receive() - Receive Function.
+         *  Contract: Each layer must implement a receive function passing the
+         *  CAIF packets upwards in the stack.
+         *      Packet handling rules:
+         *            - The CAIF packet (cfpkt) cannot be accessed after
+         *                   passing it to the next layer using up->receive().
+         *            - If parsing of the packet fails, the packet must be
+         *                   destroyed and -1 returned from the function.
+         *            - If parsing succeeds (and above layers return OK) then
+         *                    the function must return a value > 0.
+         *
+         *  Returns result < 0 indicates an error, 0 or positive value
+         *           indicates success.
+         *
+         *  @layr: Pointer to the current layer the receive function is
+         *              implemented for (this pointer).
+         *  @cfpkt: Pointer to CaifPacket to be handled.
+         */
+        int (*receive)(struct cflayer *layr, struct cfpkt *cfpkt);
+
+        /*
+         *  transmit() - Transmit Function.
+         *  Contract: Each layer must implement a transmit function passing the
+         *      CAIF packet downwards in the stack.
+         *      Packet handling rules:
+         *            - The CAIF packet (cfpkt) ownership is passed to the
+         *              transmit function. This means that the the packet
+         *              cannot be accessed after passing it to the below
+         *              layer using dn->transmit().
+         *
+         *            - If transmit fails, however, the ownership is returned
+         *              to thecaller. The caller of "dn->transmit()" must
+         *              destroy or resend packet.
+         *
+         *            - Return value less than zero means error, zero or
+         *              greater than zero means OK.
+         *
+         *       result < 0 indicates an error, 0 or positive value
+         *       indicate success.
+         *
+         *  @layr:      Pointer to the current layer the receive function
+         *              isimplemented for (this pointer).
+         *  @cfpkt:      Pointer to CaifPacket to be handled.
+         */
+        int (*transmit) (struct cflayer *layr, struct cfpkt *cfpkt);
+
+        /*
+         *  cttrlcmd() - Control Function upwards in CAIF Stack.
+         *  Used for signaling responses (CAIF_CTRLCMD_*_RSP)
+         *  and asynchronous events from the modem  (CAIF_CTRLCMD_*_IND)
+         *
+         *  @layr:      Pointer to the current layer the receive function
+         *              is implemented for (this pointer).
+         *  @ctrl:      Control Command.
+         */
+        void (*ctrlcmd) (struct cflayer *layr, enum caif_ctrlcmd ctrl,
+                         int phyid);
+
+        /*
+         *  modemctrl() - Control Function used for controlling the modem.
+         *  Used to signal down-wards in the CAIF stack.
+         *  Returns 0 on success, < 0 upon failure.
+         *
+         *  @layr:      Pointer to the current layer the receive function
+         *              is implemented for (this pointer).
+         *  @ctrl:  Control Command.
+         */
+        int (*modemcmd) (struct cflayer *layr, enum caif_modemcmd ctrl);
+
+        unsigned short prio;
+        unsigned int id;
+        unsigned int type;
+        char name[CAIF_LAYER_NAME_SZ];
+};
+
+/**
+ * layer_set_up() - Set the up pointer for a specified layer.
+ *  @layr: Layer where up pointer shall be set.
+ *  @above: Layer above.
+ */
+#define layer_set_up(layr, above) ((layr)->up = (struct cflayer *)(above))
+
+/**
+ *  layer_set_dn() - Set the down pointer for a specified layer.
+ *  @layr:  Layer where down pointer shall be set.
+ *  @below: Layer below.
+ */
+#define layer_set_dn(layr, below) ((layr)->dn = (struct cflayer *)(below))
+
+/**
+ * struct dev_info - Physical Device info information about physical layer.
+ * @dev:        Pointer to native physical device.
+ * @id:         Physical ID of the physical connection used by the
+ *              logical CAIF connection. Used by service layers to
+ *              identify their physical id to Caif MUX (CFMUXL)so
+ *              that the MUX can add the correct physical ID to the
+ *              packet.
+ */
+struct dev_info {
+        void *dev;
+        unsigned int id;
+};
+
+/**
+ * struct caif_payload_info - Payload information embedded in packet (sk_buff).
+ *
+ * @dev_info:   Information about the receiving device.
+ *
+ * @hdr_len:    Header length, used to align pay load on 32bit boundary.
+ *
+ * @channel_id: Channel ID of the logical CAIF connection.
+ *              Used by mux to insert channel id into the caif packet.
+ */
+struct caif_payload_info {
+        struct dev_info *dev_info;
+        unsigned short hdr_len;
+        unsigned short channel_id;
+};
+
+#endif  /* CAIF_LAYER_H_ */
diff --git a/include/net/caif/cfcnfg.h b/include/net/caif/cfcnfg.h
new file mode 100644
index 000000000000..9fc2fc20b884
--- /dev/null
+++ b/include/net/caif/cfcnfg.h
@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) ST-Ericsson AB 2010
+ * Author:      Sjur Brendeland/sjur.brandeland@stericsson.com
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#ifndef CFCNFG_H_
+#define CFCNFG_H_
+#include <linux/spinlock.h>
+#include <net/caif/caif_layer.h>
+#include <net/caif/cfctrl.h>
+
+struct cfcnfg;
+
+/**
+ * enum cfcnfg_phy_type -  Types of physical layers defined in CAIF Stack
+ *
+ * @CFPHYTYPE_FRAG:     Fragmented frames physical interface.
+ * @CFPHYTYPE_CAIF:     Generic CAIF physical interface
+ */
+enum cfcnfg_phy_type {
+        CFPHYTYPE_FRAG = 1,
+        CFPHYTYPE_CAIF,
+        CFPHYTYPE_MAX
+};
+
+/**
+ * enum cfcnfg_phy_preference - Physical preference HW Abstraction
+ *
+ * @CFPHYPREF_UNSPECIFIED:      Default physical interface
+ *
+ * @CFPHYPREF_LOW_LAT:          Default physical interface for low-latency
+ *                              traffic
+ * @CFPHYPREF_HIGH_BW:          Default physical interface for high-bandwidth
+ *                              traffic
+ * @CFPHYPREF_LOOP:             TEST only Loopback interface simulating modem
+ *                              responses.
+ *
+ */
+enum cfcnfg_phy_preference {
+        CFPHYPREF_UNSPECIFIED,
+        CFPHYPREF_LOW_LAT,
+        CFPHYPREF_HIGH_BW,
+        CFPHYPREF_LOOP
+};
+
+/**
+ * cfcnfg_create() - Create the CAIF configuration object.
+ */
+struct cfcnfg *cfcnfg_create(void);
+
+/**
+ * cfcnfg_remove() -  Remove the CFCNFG object
+ * @cfg: config object
+ */
+void cfcnfg_remove(struct cfcnfg *cfg);
+
+/**
+ * cfcnfg_add_phy_layer() - Adds a physical layer to the CAIF stack.
+ * @cnfg:       Pointer to a CAIF configuration object, created by
+ *              cfcnfg_create().
+ * @phy_type:   Specifies the type of physical interface, e.g.
+ *                      CFPHYTYPE_FRAG.
+ * @dev:        Pointer to link layer device
+ * @phy_layer:  Specify the physical layer. The transmit function
+ *              MUST be set in the structure.
+ * @phyid:      The assigned physical ID for this layer, used in
+ *              cfcnfg_add_adapt_layer to specify PHY for the link.
+ * @pref:       The phy (link layer) preference.
+ * @fcs:        Specify if checksum is used in CAIF Framing Layer.
+ * @stx:        Specify if Start Of Frame eXtention is used.
+ */
+
+void
+cfcnfg_add_phy_layer(struct cfcnfg *cnfg, enum cfcnfg_phy_type phy_type,
+                     void *dev, struct cflayer *phy_layer, u16 *phyid,
+                     enum cfcnfg_phy_preference pref,
+                     bool fcs, bool stx);
+
+/**
+ * cfcnfg_del_phy_layer - Deletes an phy layer from the CAIF stack.
+ *
+ * @cnfg:       Pointer to a CAIF configuration object, created by
+ *              cfcnfg_create().
+ * @phy_layer:  Adaptation layer to be removed.
+ */
+int cfcnfg_del_phy_layer(struct cfcnfg *cnfg, struct cflayer *phy_layer);
+
+/**
+ * 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_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.
+ *
+ * The adaptation Layer is where the interface to application or higher-level
+ * driver functionality is implemented.
+ *
+ * @cnfg:               Pointer to a CAIF configuration object, created by
+ *                      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,
+                            struct cfctrl_link_param *param,
+                            struct cflayer *adap_layer);
+
+/**
+ * cfcnfg_get_phyid() - Get physical ID, given type.
+ * Returns one of the physical interfaces matching the given type.
+ * Zero if no match is found.
+ * @cnfg:       Configuration object
+ * @phy_pref:   Caif Link Layer preference
+ */
+struct dev_info *cfcnfg_get_phyid(struct cfcnfg *cnfg,
+                     enum cfcnfg_phy_preference phy_pref);
+
+/**
+ * cfcnfg_get_named() - Get the Physical Identifier of CAIF Link Layer
+ * @cnfg:       Configuration object
+ * @name:       Name of the Physical Layer (Caif Link Layer)
+ */
+int cfcnfg_get_named(struct cfcnfg *cnfg, char *name);
+
+#endif                          /* CFCNFG_H_ */
diff --git a/include/net/caif/cfctrl.h b/include/net/caif/cfctrl.h
new file mode 100644
index 000000000000..997603f2bf4c
--- /dev/null
+++ b/include/net/caif/cfctrl.h
@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) ST-Ericsson AB 2010
+ * Author:      Sjur Brendeland/sjur.brandeland@stericsson.com
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#ifndef CFCTRL_H_
+#define CFCTRL_H_
+#include <net/caif/caif_layer.h>
+#include <net/caif/cfsrvl.h>
+
+/* CAIF Control packet commands */
+enum cfctrl_cmd {
+        CFCTRL_CMD_LINK_SETUP = 0,
+        CFCTRL_CMD_LINK_DESTROY = 1,
+        CFCTRL_CMD_LINK_ERR = 2,
+        CFCTRL_CMD_ENUM = 3,
+        CFCTRL_CMD_SLEEP = 4,
+        CFCTRL_CMD_WAKE = 5,
+        CFCTRL_CMD_LINK_RECONF = 6,
+        CFCTRL_CMD_START_REASON = 7,
+        CFCTRL_CMD_RADIO_SET = 8,
+        CFCTRL_CMD_MODEM_SET = 9,
+        CFCTRL_CMD_MASK = 0xf
+};
+
+/* Channel types */
+enum cfctrl_srv {
+        CFCTRL_SRV_DECM = 0,
+        CFCTRL_SRV_VEI = 1,
+        CFCTRL_SRV_VIDEO = 2,
+        CFCTRL_SRV_DBG = 3,
+        CFCTRL_SRV_DATAGRAM = 4,
+        CFCTRL_SRV_RFM = 5,
+        CFCTRL_SRV_UTIL = 6,
+        CFCTRL_SRV_MASK = 0xf
+};
+
+#define CFCTRL_RSP_BIT 0x20
+#define CFCTRL_ERR_BIT 0x10
+
+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);
+        void (*linkerror_ind)(void);
+        void (*enum_rsp)(void);
+        void (*sleep_rsp)(void);
+        void (*wake_rsp)(void);
+        void (*restart_rsp)(void);
+        void (*radioset_rsp)(void);
+        void (*reject_rsp)(struct cflayer *layer, u8 linkid,
+                                struct cflayer *client_layer);;
+};
+
+/* Link Setup Parameters for CAIF-Links. */
+struct cfctrl_link_param {
+        enum cfctrl_srv linktype;/* (T3,T0) Type of Channel */
+        u8 priority;              /* (P4,P0) Priority of the channel */
+        u8 phyid;                 /* (U2-U0) Physical interface to connect */
+        u8 endpoint;              /* (E1,E0) Endpoint for data channels */
+        u8 chtype;                /* (H1,H0) Channel-Type, applies to
+                                   *            VEI, DEBUG */
+        union {
+                struct {
+                        u8 connid;      /*  (D7,D0) Video LinkId */
+                } video;
+
+                struct {
+                        u32 connid;     /* (N31,Ngit0) Connection ID used
+                                         *  for Datagram */
+                } datagram;
+
+                struct {
+                        u32 connid;     /* Connection ID used for RFM */
+                        char volume[20];        /* Volume to mount for RFM */
+                } rfm;          /* Configuration for RFM */
+
+                struct {
+                        u16 fifosize_kb;        /* Psock FIFO size in KB */
+                        u16 fifosize_bufs;      /* Psock # signal buffers */
+                        char name[16];  /* Name of the PSOCK service */
+                        u8 params[255]; /* Link setup Parameters> */
+                        u16 paramlen;   /* Length of Link Setup
+                                                 *   Parameters */
+                } utility;      /* Configuration for Utility Links (Psock) */
+        } u;
+};
+
+/* This structure is used internally in CFCTRL */
+struct cfctrl_request_info {
+        int sequence_no;
+        enum cfctrl_cmd cmd;
+        u8 channel_id;
+        struct cfctrl_link_param param;
+        struct cfctrl_request_info *next;
+        struct cflayer *client_layer;
+};
+
+struct cfctrl {
+        struct cfsrvl serv;
+        struct cfctrl_rsp res;
+        atomic_t req_seq_no;
+        atomic_t rsp_seq_no;
+        struct cfctrl_request_info *first_req;
+        /* Protects from simultaneous access to first_req list */
+        spinlock_t info_list_lock;
+#ifndef CAIF_NO_LOOP
+        u8 loop_linkid;
+        int loop_linkused[256];
+        /* Protects simultaneous access to loop_linkid and loop_linkused */
+        spinlock_t loop_linkid_lock;
+#endif
+
+};
+
+void cfctrl_enum_req(struct cflayer *cfctrl, u8 physlinkid);
+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,
+                         struct cflayer *client);
+void cfctrl_sleep_req(struct cflayer *cfctrl);
+void cfctrl_wake_req(struct cflayer *cfctrl);
+void cfctrl_getstartreason_req(struct cflayer *cfctrl);
+struct cflayer *cfctrl_create(void);
+void cfctrl_set_dnlayer(struct cflayer *this, struct cflayer *dn);
+void cfctrl_set_uplayer(struct cflayer *this, struct cflayer *up);
+struct cfctrl_rsp *cfctrl_get_respfuncs(struct cflayer *layer);
+bool cfctrl_req_eq(struct cfctrl_request_info *r1,
+                   struct cfctrl_request_info *r2);
+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/cffrml.h b/include/net/caif/cffrml.h
new file mode 100644
index 000000000000..3f14d2e1ce61
--- /dev/null
+++ b/include/net/caif/cffrml.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) ST-Ericsson AB 2010
+ * Author:      Sjur Brendeland/sjur.brandeland@stericsson.com
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#ifndef CFFRML_H_
+#define CFFRML_H_
+#include <net/caif/caif_layer.h>
+
+struct cffrml;
+struct cflayer *cffrml_create(u16 phyid, bool DoFCS);
+void cffrml_set_uplayer(struct cflayer *this, struct cflayer *up);
+void cffrml_set_dnlayer(struct cflayer *this, struct cflayer *dn);
+
+#endif /* CFFRML_H_ */
diff --git a/include/net/caif/cfmuxl.h b/include/net/caif/cfmuxl.h
new file mode 100644
index 000000000000..4e1b4f33423e
--- /dev/null
+++ b/include/net/caif/cfmuxl.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) ST-Ericsson AB 2010
+ * Author:      Sjur Brendeland/sjur.brandeland@stericsson.com
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#ifndef CFMUXL_H_
+#define CFMUXL_H_
+#include <net/caif/caif_layer.h>
+
+struct cfsrvl;
+struct cffrml;
+
+struct cflayer *cfmuxl_create(void);
+int cfmuxl_set_uplayer(struct cflayer *layr, struct cflayer *up, u8 linkid);
+struct cflayer *cfmuxl_remove_dnlayer(struct cflayer *layr, u8 phyid);
+int cfmuxl_set_dnlayer(struct cflayer *layr, struct cflayer *up, u8 phyid);
+struct cflayer *cfmuxl_remove_uplayer(struct cflayer *layr, u8 linkid);
+bool cfmuxl_is_phy_inuse(struct cflayer *layr, u8 phyid);
+u8 cfmuxl_get_phyid(struct cflayer *layr, u8 channel_id);
+
+#endif                          /* CFMUXL_H_ */
diff --git a/include/net/caif/cfpkt.h b/include/net/caif/cfpkt.h
new file mode 100644
index 000000000000..fbc681beff52
--- /dev/null
+++ b/include/net/caif/cfpkt.h
@@ -0,0 +1,274 @@
+/*
+ * Copyright (C) ST-Ericsson AB 2010
+ * Author:      Sjur Brendeland/sjur.brandeland@stericsson.com
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#ifndef CFPKT_H_
+#define CFPKT_H_
+#include <net/caif/caif_layer.h>
+#include <linux/types.h>
+struct cfpkt;
+
+/* Create a CAIF packet.
+ * len: Length of packet to be created
+ * @return New packet.
+ */
+struct cfpkt *cfpkt_create(u16 len);
+
+/* Create a CAIF packet.
+ * data Data to copy.
+ * len Length of packet to be created
+ * @return New packet.
+ */
+struct cfpkt *cfpkt_create_uplink(const unsigned char *data, unsigned int len);
+/*
+ * Destroy a CAIF Packet.
+ * pkt Packet to be destoyed.
+ */
+void cfpkt_destroy(struct cfpkt *pkt);
+
+/*
+ * Extract header from packet.
+ *
+ * pkt Packet to extract header data from.
+ * data Pointer to copy the header data into.
+ * len Length of head data to copy.
+ * @return zero on success and error code upon failure
+ */
+int cfpkt_extr_head(struct cfpkt *pkt, void *data, u16 len);
+
+/*
+ * Peek header from packet.
+ * Reads data from packet without changing packet.
+ *
+ * pkt Packet to extract header data from.
+ * data Pointer to copy the header data into.
+ * len Length of head data to copy.
+ * @return zero on success and error code upon failure
+ */
+int cfpkt_peek_head(struct cfpkt *pkt, void *data, u16 len);
+
+/*
+ * Extract header from trailer (end of packet).
+ *
+ * pkt Packet to extract header data from.
+ * data Pointer to copy the trailer data into.
+ * len Length of header data to copy.
+ * @return zero on success and error code upon failure
+ */
+int cfpkt_extr_trail(struct cfpkt *pkt, void *data, u16 len);
+
+/*
+ * Add header to packet.
+ *
+ *
+ * pkt Packet to add header data to.
+ * data Pointer to data to copy into the header.
+ * len Length of header data to copy.
+ * @return zero on success and error code upon failure
+ */
+int cfpkt_add_head(struct cfpkt *pkt, const void *data, u16 len);
+
+/*
+ * Add trailer to packet.
+ *
+ *
+ * pkt Packet to add trailer data to.
+ * data Pointer to data to copy into the trailer.
+ * len Length of trailer data to copy.
+ * @return zero on success and error code upon failure
+ */
+int cfpkt_add_trail(struct cfpkt *pkt, const void *data, u16 len);
+
+/*
+ * Pad trailer on packet.
+ * Moves data pointer in packet, no content copied.
+ *
+ * pkt Packet in which to pad trailer.
+ * len Length of padding to add.
+ * @return zero on success and error code upon failure
+ */
+int cfpkt_pad_trail(struct cfpkt *pkt, u16 len);
+
+/*
+ * Add a single byte to packet body (tail).
+ *
+ * pkt Packet in which to add byte.
+ * data Byte to add.
+ * @return zero on success and error code upon failure
+ */
+int cfpkt_addbdy(struct cfpkt *pkt, const u8 data);
+
+/*
+ * Add a data to packet body (tail).
+ *
+ * pkt Packet in which to add data.
+ * data Pointer to data to copy into the packet body.
+ * len Length of data to add.
+ * @return zero on success and error code upon failure
+ */
+int cfpkt_add_body(struct cfpkt *pkt, const void *data, u16 len);
+
+/*
+ * Checks whether there are more data to process in packet.
+ * pkt Packet to check.
+ * @return true if more data are available in packet false otherwise
+ */
+bool cfpkt_more(struct cfpkt *pkt);
+
+/*
+ * Checks whether the packet is erroneous,
+ * i.e. if it has been attempted to extract more data than available in packet
+ * or writing more data than has been allocated in cfpkt_create().
+ * pkt Packet to check.
+ * @return true on error false otherwise
+ */
+bool cfpkt_erroneous(struct cfpkt *pkt);
+
+/*
+ * Get the packet length.
+ * pkt Packet to get length from.
+ * @return Number of bytes in packet.
+ */
+u16 cfpkt_getlen(struct cfpkt *pkt);
+
+/*
+ * Set the packet length, by adjusting the trailer pointer according to length.
+ * pkt Packet to set length.
+ * len Packet length.
+ * @return Number of bytes in packet.
+ */
+int cfpkt_setlen(struct cfpkt *pkt, u16 len);
+
+/*
+ * cfpkt_append - Appends a packet's data to another packet.
+ * dstpkt:    Packet to append data into, WILL BE FREED BY THIS FUNCTION
+ * addpkt:    Packet to be appended and automatically released,
+ *            WILL BE FREED BY THIS FUNCTION.
+ * expectlen: Packet's expected total length. This should be considered
+ *            as a hint.
+ * NB: Input packets will be destroyed after appending and cannot be used
+ * after calling this function.
+ * @return    The new appended packet.
+ */
+struct cfpkt *cfpkt_append(struct cfpkt *dstpkt, struct cfpkt *addpkt,
+                      u16 expectlen);
+
+/*
+ * cfpkt_split - Split a packet into two packets at the specified split point.
+ * pkt: Packet to be split (will contain the first part of the data on exit)
+ * pos: Position to split packet in two parts.
+ * @return The new packet, containing the second part of the data.
+ */
+struct cfpkt *cfpkt_split(struct cfpkt *pkt, u16 pos);
+
+/*
+ * Iteration function, iterates the packet buffers from start to end.
+ *
+ * Checksum iteration function used to iterate buffers
+ * (we may have packets consisting of a chain of buffers)
+ * pkt:       Packet to calculate checksum for
+ * iter_func: Function pointer to iteration function
+ * chks:      Checksum calculated so far.
+ * buf:       Pointer to the buffer to checksum
+ * len:       Length of buf.
+ * data:      Initial checksum value.
+ * @return    Checksum of buffer.
+ */
+
+u16 cfpkt_iterate(struct cfpkt *pkt,
+                u16 (*iter_func)(u16 chks, void *buf, u16 len),
+                u16 data);
+
+/* Append by giving user access to packet buffer
+ * cfpkt Packet to append to
+ * buf Buffer inside pkt that user shall copy data into
+ * buflen Length of buffer and number of bytes added to packet
+ * @return 0 on error, 1 on success
+ */
+int cfpkt_raw_append(struct cfpkt *cfpkt, void **buf, unsigned int buflen);
+
+/* Extract by giving user access to packet buffer
+ * cfpkt Packet to extract from
+ * buf Buffer inside pkt that user shall copy data from
+ * buflen Length of buffer and number of bytes removed from packet
+ * @return 0 on error, 1 on success
+ */
+int cfpkt_raw_extract(struct cfpkt *cfpkt, void **buf, unsigned int buflen);
+
+/* Map from a "native" packet (e.g. Linux Socket Buffer) to a CAIF packet.
+ *  dir - Direction indicating whether this packet is to be sent or received.
+ *  nativepkt  - The native packet to be transformed to a CAIF packet
+ *  @return The mapped CAIF Packet CFPKT.
+ */
+struct cfpkt *cfpkt_fromnative(enum caif_direction dir, void *nativepkt);
+
+/* Map from a CAIF packet to a "native" packet (e.g. Linux Socket Buffer).
+ *  pkt  - The CAIF packet to be transformed into a "native" packet.
+ *  @return The native packet transformed from a CAIF packet.
+ */
+void *cfpkt_tonative(struct cfpkt *pkt);
+
+/*
+ * Insert a packet in the packet queue.
+ * pktq Packet queue to insert into
+ * pkt Packet to be inserted in queue
+ * prio Priority of packet
+ */
+void cfpkt_queue(struct cfpktq *pktq, struct cfpkt *pkt,
+                 unsigned short prio);
+
+/*
+ * Remove a packet from the packet queue.
+ * pktq Packet queue to fetch packets from.
+ * @return Dequeued packet.
+ */
+struct cfpkt *cfpkt_dequeue(struct cfpktq *pktq);
+
+/*
+ * Peek into a packet from the packet queue.
+ * pktq Packet queue to fetch packets from.
+ * @return Peeked packet.
+ */
+struct cfpkt *cfpkt_qpeek(struct cfpktq *pktq);
+
+/*
+ * Initiates the packet queue.
+ * @return Pointer to new packet queue.
+ */
+struct cfpktq *cfpktq_create(void);
+
+/*
+ * Get the number of packets in the queue.
+ * pktq Packet queue to fetch count from.
+ * @return Number of packets in queue.
+ */
+int cfpkt_qcount(struct cfpktq *pktq);
+
+/*
+ * Put content of packet into buffer for debuging purposes.
+ * pkt Packet to copy data from
+ * buf Buffer to copy data into
+ * buflen Length of data to copy
+ * @return Pointer to copied data
+ */
+char *cfpkt_log_pkt(struct cfpkt *pkt, char *buf, int buflen);
+
+/*
+ * Clones a packet and releases the original packet.
+ * This is used for taking ownership of a packet e.g queueing.
+ * pkt Packet to clone and release.
+ * @return Cloned packet.
+ */
+struct cfpkt *cfpkt_clone_release(struct cfpkt *pkt);
+
+
+/*
+ * Returns packet information for a packet.
+ * pkt Packet to get info from;
+ * @return Packet information
+ */
+struct caif_payload_info *cfpkt_info(struct cfpkt *pkt);
+/*! @} */
+#endif                          /* CFPKT_H_ */
diff --git a/include/net/caif/cfserl.h b/include/net/caif/cfserl.h
new file mode 100644
index 000000000000..b8374321b362
--- /dev/null
+++ b/include/net/caif/cfserl.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright (C) ST-Ericsson AB 2010
+ * Author:      Sjur Brendeland/sjur.brandeland@stericsson.com
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#ifndef CFSERL_H_
+#define CFSERL_H_
+#include <net/caif/caif_layer.h>
+
+struct cflayer *cfserl_create(int type, int instance, bool use_stx);
+#endif                          /* CFSERL_H_ */
diff --git a/include/net/caif/cfsrvl.h b/include/net/caif/cfsrvl.h
new file mode 100644
index 000000000000..2dc9eb193ecf
--- /dev/null
+++ b/include/net/caif/cfsrvl.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) ST-Ericsson AB 2010
+ * Author:      Sjur Brendeland/sjur.brandeland@stericsson.com
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#ifndef CFSRVL_H_
+#define CFSRVL_H_
+#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);
+struct cflayer *cfvidl_create(u8 linkid, struct dev_info *dev_info);
+struct cflayer *cfrfml_create(u8 linkid, struct dev_info *dev_info);
+struct cflayer *cfdbgl_create(u8 linkid, struct dev_info *dev_info);
+bool cfsrvl_phyid_match(struct cflayer *layer, int phyid);
+void cfservl_destroy(struct cflayer *layer);
+void cfsrvl_init(struct cfsrvl *service,
+                 u8 channel_id,
+                 struct dev_info *dev_info);
+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 3d134a1fb96b..b44a2e5321a3 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 {
@@ -704,6 +706,10 @@ struct cfg80211_crypto_settings {
  * @key_len: length of WEP key for shared key authentication
  * @key_idx: index of WEP key for shared key authentication
  * @key: WEP key for shared key authentication
+ * @local_state_change: This is a request for a local state only, i.e., no
+ *      Authentication frame is to be transmitted and authentication state is
+ *      to be changed without having to wait for a response from the peer STA
+ *      (AP).
  */
 struct cfg80211_auth_request {
         struct cfg80211_bss *bss;
@@ -712,6 +718,7 @@ struct cfg80211_auth_request {
         enum nl80211_auth_type auth_type;
         const u8 *key;
         u8 key_len, key_idx;
+        bool local_state_change;
 };
 
 /**
@@ -744,12 +751,15 @@ struct cfg80211_assoc_request {
  * @ie: Extra IEs to add to Deauthentication frame or %NULL
  * @ie_len: Length of ie buffer in octets
  * @reason_code: The reason code for the deauthentication
+ * @local_state_change: This is a request for a local state only, i.e., no
+ *      Deauthentication frame is to be transmitted.
  */
 struct cfg80211_deauth_request {
         struct cfg80211_bss *bss;
         const u8 *ie;
         size_t ie_len;
         u16 reason_code;
+        bool local_state_change;
 };
 
 /**
@@ -762,12 +772,15 @@ struct cfg80211_deauth_request {
  * @ie: Extra IEs to add to Disassociation frame or %NULL
  * @ie_len: Length of ie buffer in octets
  * @reason_code: The reason code for the disassociation
+ * @local_state_change: This is a request for a local state only, i.e., no
+ *      Disassociation frame is to be transmitted.
  */
 struct cfg80211_disassoc_request {
         struct cfg80211_bss *bss;
         const u8 *ie;
         size_t ie_len;
         u16 reason_code;
+        bool local_state_change;
 };
 
 /**
@@ -953,7 +966,11 @@ struct cfg80211_pmksa {
  *
  * @set_txq_params: Set TX queue parameters
  *
- * @set_channel: Set channel
+ * @set_channel: Set channel for a given wireless interface. Some devices
+ *      may support multi-channel operation (by channel hopping) so cfg80211
+ *      doesn't verify much. Note, however, that the passed netdev may be
+ *      %NULL as well if the user requested changing the channel for the
+ *      device itself, or for a monitor interface.
  *
  * @scan: Request to do a scan. If returning zero, the scan request is given
  *      the driver, and will be valid until passed to cfg80211_scan_done().
@@ -1007,6 +1024,9 @@ 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.
  *
  */
 struct cfg80211_ops {
@@ -1079,7 +1099,7 @@ struct cfg80211_ops {
         int     (*set_txq_params)(struct wiphy *wiphy,
                                   struct ieee80211_txq_params *params);
 
-        int     (*set_channel)(struct wiphy *wiphy,
+        int     (*set_channel)(struct wiphy *wiphy, struct net_device *dev,
                                struct ieee80211_channel *chan,
                                enum nl80211_channel_type channel_type);
 
@@ -1152,6 +1172,10 @@ struct cfg80211_ops {
 
         int     (*set_power_mgmt)(struct wiphy *wiphy, struct net_device *dev,
                                   bool enabled, int timeout);
+
+        int     (*set_cqm_rssi_config)(struct wiphy *wiphy,
+                                       struct net_device *dev,
+                                       s32 rssi_thold, u32 rssi_hyst);
 };
 
 /*
@@ -1441,6 +1465,8 @@ struct cfg80211_cached_keys;
  * @list: (private) Used to collect the interfaces
  * @netdev: (private) Used to reference back to the netdev
  * @current_bss: (private) Used by the internal configuration code
+ * @channel: (private) Used by the internal configuration code to track
+ *      user-set AP, monitor and WDS channels for wireless extensions
  * @bssid: (private) Used by the internal configuration code
  * @ssid: (private) Used by the internal configuration code
  * @ssid_len: (private) Used by the internal configuration code
@@ -1487,6 +1513,7 @@ struct wireless_dev {
         struct cfg80211_internal_bss *authtry_bsses[MAX_AUTH_BSSES];
         struct cfg80211_internal_bss *auth_bsses[MAX_AUTH_BSSES];
         struct cfg80211_internal_bss *current_bss; /* associated / joined */
+        struct ieee80211_channel *channel;
 
         bool ps;
         int ps_timeout;
@@ -1627,7 +1654,7 @@ 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;
@@ -2337,4 +2364,18 @@ bool cfg80211_rx_action(struct net_device *dev, int freq, const u8 *buf,
 void cfg80211_action_tx_status(struct net_device *dev, u64 cookie,
                                const u8 *buf, size_t len, bool ack, gfp_t gfp);
 
+
+/**
+ * cfg80211_cqm_rssi_notify - connection quality monitoring rssi event
+ * @dev: network device
+ * @rssi_event: the triggered RSSI event
+ * @gfp: context flags
+ *
+ * This function is called when a configured connection quality monitoring
+ * rssi threshold reached event occurs.
+ */
+void cfg80211_cqm_rssi_notify(struct net_device *dev,
+                              enum nl80211_cqm_rssi_threshold_event rssi_event,
+                              gfp_t gfp);
+
 #endif /* __NET_CFG80211_H */
diff --git a/include/net/dn_fib.h b/include/net/dn_fib.h
index 52da6c3dd50d..bbcde3238e58 100644
--- a/include/net/dn_fib.h
+++ b/include/net/dn_fib.h
@@ -50,10 +50,6 @@ struct dn_fib_info {
         __le16                  fib_prefsrc;
         __u32                   fib_priority;
         __u32                   fib_metrics[RTAX_MAX];
-#define dn_fib_mtu  fib_metrics[RTAX_MTU-1]
-#define dn_fib_window fib_metrics[RTAX_WINDOW-1]
-#define dn_fib_rtt fib_metrics[RTAX_RTT-1]
-#define dn_fib_advmss fib_metrics[RTAX_ADVMSS-1]
         int                     fib_nhs;
         int                     fib_power;
         struct dn_fib_nh        fib_nh[0];
diff --git a/include/net/dst.h b/include/net/dst.h
index ce078cda6b74..612069beda73 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -168,6 +168,12 @@ static inline void dst_use(struct dst_entry *dst, unsigned long time)
         dst->lastuse = time;
 }
 
+static inline void dst_use_noref(struct dst_entry *dst, unsigned long time)
+{
+        dst->__use++;
+        dst->lastuse = time;
+}
+
 static inline
 struct dst_entry * dst_clone(struct dst_entry * dst)
 {
@@ -177,11 +183,67 @@ struct dst_entry * dst_clone(struct dst_entry * dst)
 }
 
 extern void dst_release(struct dst_entry *dst);
+
+static inline void refdst_drop(unsigned long refdst)
+{
+        if (!(refdst & SKB_DST_NOREF))
+                dst_release((struct dst_entry *)(refdst & SKB_DST_PTRMASK));
+}
+
+/**
+ * skb_dst_drop - drops skb dst
+ * @skb: buffer
+ *
+ * Drops dst reference count if a reference was taken.
+ */
 static inline void skb_dst_drop(struct sk_buff *skb)
 {
-        if (skb->_skb_dst)
-                dst_release(skb_dst(skb));
-        skb->_skb_dst = 0UL;
+        if (skb->_skb_refdst) {
+                refdst_drop(skb->_skb_refdst);
+                skb->_skb_refdst = 0UL;
+        }
+}
+
+static inline void skb_dst_copy(struct sk_buff *nskb, const struct sk_buff *oskb)
+{
+        nskb->_skb_refdst = oskb->_skb_refdst;
+        if (!(nskb->_skb_refdst & SKB_DST_NOREF))
+                dst_clone(skb_dst(nskb));
+}
+
+/**
+ * skb_dst_force - makes sure skb dst is refcounted
+ * @skb: buffer
+ *
+ * If dst is not yet refcounted, let's do it
+ */
+static inline void skb_dst_force(struct sk_buff *skb)
+{
+        if (skb_dst_is_noref(skb)) {
+                WARN_ON(!rcu_read_lock_held());
+                skb->_skb_refdst &= ~SKB_DST_NOREF;
+                dst_clone(skb_dst(skb));
+        }
+}
+
+
+/**
+ *      skb_tunnel_rx - prepare skb for rx reinsert
+ *      @skb: buffer
+ *      @dev: tunnel device
+ *
+ *      After decapsulation, packet is going to re-enter (netif_rx()) our stack,
+ *      so make some cleanups, and perform accounting.
+ */
+static inline void skb_tunnel_rx(struct sk_buff *skb, struct net_device *dev)
+{
+        skb->dev = dev;
+        /* TODO : stats should be SMP safe */
+        dev->stats.rx_packets++;
+        dev->stats.rx_bytes += skb->len;
+        skb->rxhash = 0;
+        skb_dst_drop(skb);
+        nf_reset(skb);
 }
 
 /* Children define the path of the packet through the
@@ -225,21 +287,6 @@ static inline void dst_confirm(struct dst_entry *dst)
                 neigh_confirm(dst->neighbour);
 }
 
-static inline void dst_negative_advice(struct dst_entry **dst_p,
-                                       struct sock *sk)
-{
-        struct dst_entry * dst = *dst_p;
-        if (dst && dst->ops->negative_advice) {
-                *dst_p = dst->ops->negative_advice(dst);
-
-                if (dst != *dst_p) {
-                        extern void sk_reset_txq(struct sock *sk);
-
-                        sk_reset_txq(sk);
-                }
-        }
-}
-
 static inline void dst_link_failure(struct sk_buff *skb)
 {
         struct dst_entry *dst = skb_dst(skb);
diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h
index c49086d2bc7d..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 *);
 
@@ -114,4 +114,5 @@ extern int			fib_rules_lookup(struct fib_rules_ops *,
 extern int                      fib_default_rule_add(struct fib_rules_ops *,
                                                      u32 pref, u32 table,
                                                      u32 flags);
+extern u32                      fib_default_rule_pref(struct fib_rules_ops *ops);
 #endif
diff --git a/include/net/flow.h b/include/net/flow.h
index 809970b7dfee..bb08692a20b0 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -86,11 +86,26 @@ struct flowi {
 
 struct net;
 struct sock;
-typedef int (*flow_resolve_t)(struct net *net, struct flowi *key, u16 family,
-                              u8 dir, void **objp, atomic_t **obj_refp);
+struct flow_cache_ops;
+
+struct flow_cache_object {
+        const struct flow_cache_ops *ops;
+};
+
+struct flow_cache_ops {
+        struct flow_cache_object *(*get)(struct flow_cache_object *);
+        int (*check)(struct flow_cache_object *);
+        void (*delete)(struct flow_cache_object *);
+};
+
+typedef struct flow_cache_object *(*flow_resolve_t)(
+                struct net *net, struct flowi *key, u16 family,
+                u8 dir, struct flow_cache_object *oldobj, void *ctx);
+
+extern struct flow_cache_object *flow_cache_lookup(
+                struct net *net, struct flowi *key, u16 family,
+                u8 dir, flow_resolve_t resolver, void *ctx);
 
-extern void *flow_cache_lookup(struct net *net, struct flowi *key, u16 family,
-                               u8 dir, flow_resolve_t resolver);
 extern void flow_cache_flush(void);
 extern atomic_t flow_cache_genid;
 
diff --git a/include/net/icmp.h b/include/net/icmp.h
index 15b3dfe9fce8..6e991e0d0d6f 100644
--- a/include/net/icmp.h
+++ b/include/net/icmp.h
@@ -48,15 +48,4 @@ extern void	icmp_out_count(struct net *net, unsigned char type);
 /* Move into dst.h ? */
 extern int      xrlim_allow(struct dst_entry *dst, int timeout);
 
-struct raw_sock {
-        /* inet_sock has to be the first member */
-        struct inet_sock   inet;
-        struct icmp_filter filter;
-};
-
-static inline struct raw_sock *raw_sk(const struct sock *sk)
-{
-        return (struct raw_sock *)sk;
-}
-
 #endif  /* _ICMP_H */
diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h
index 545d8b059bef..f95ff8d9aa47 100644
--- a/include/net/if_inet6.h
+++ b/include/net/if_inet6.h
@@ -32,6 +32,13 @@
 
 #ifdef __KERNEL__
 
+enum {
+        INET6_IFADDR_STATE_DAD,
+        INET6_IFADDR_STATE_POSTDAD,
+        INET6_IFADDR_STATE_UP,
+        INET6_IFADDR_STATE_DEAD,
+};
+
 struct inet6_ifaddr {
         struct in6_addr         addr;
         __u32                   prefix_len;
@@ -40,6 +47,9 @@ struct inet6_ifaddr {
         __u32                   prefered_lft;
         atomic_t                refcnt;
         spinlock_t              lock;
+        spinlock_t              state_lock;
+
+        int                     state;
 
         __u8                    probes;
         __u8                    flags;
@@ -54,16 +64,15 @@ struct inet6_ifaddr {
         struct inet6_dev        *idev;
         struct rt6_info         *rt;
 
-        struct inet6_ifaddr     *lst_next;      /* next addr in addr_lst */
-        struct inet6_ifaddr     *if_next;       /* next addr in inet6_dev */
+        struct hlist_node       addr_lst;
+        struct list_head        if_list;
 
 #ifdef CONFIG_IPV6_PRIVACY
-        struct inet6_ifaddr     *tmp_next;      /* next addr in tempaddr_lst */
+        struct list_head        tmp_list;
         struct inet6_ifaddr     *ifpub;
         int                     regen_count;
 #endif
-
-        int                     dead;
+        struct rcu_head         rcu;
 };
 
 struct ip6_sf_socklist {
@@ -151,9 +160,9 @@ struct ipv6_devstat {
 };
 
 struct inet6_dev {
-        struct net_device               *dev;
+        struct net_device       *dev;
 
-        struct inet6_ifaddr     *addr_list;
+        struct list_head        addr_list;
 
         struct ifmcaddr6        *mc_list;
         struct ifmcaddr6        *mc_tomb;
@@ -175,7 +184,7 @@ struct inet6_dev {
 #ifdef CONFIG_IPV6_PRIVACY
         u8                      rndid[8];
         struct timer_list       regen_timer;
-        struct inet6_ifaddr     *tempaddr_list;
+        struct list_head        tempaddr_list;
 #endif
 
         struct neigh_parms      *nd_parms;
diff --git a/include/net/inet6_connection_sock.h b/include/net/inet6_connection_sock.h
index f13ddc2543b1..aae08f686633 100644
--- a/include/net/inet6_connection_sock.h
+++ b/include/net/inet6_connection_sock.h
@@ -38,5 +38,5 @@ extern void inet6_csk_reqsk_queue_hash_add(struct sock *sk,
 
 extern void inet6_csk_addr2sockaddr(struct sock *sk, struct sockaddr *uaddr);
 
-extern int inet6_csk_xmit(struct sk_buff *skb, int ipfragok);
+extern int inet6_csk_xmit(struct sk_buff *skb);
 #endif /* _INET6_CONNECTION_SOCK_H */
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index 696d6e4ce68a..b6d3b55da19b 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -36,9 +36,8 @@ struct tcp_congestion_ops;
  * (i.e. things that depend on the address family)
  */
 struct inet_connection_sock_af_ops {
-        int         (*queue_xmit)(struct sk_buff *skb, int ipfragok);
-        void        (*send_check)(struct sock *sk, int len,
-                                  struct sk_buff *skb);
+        int         (*queue_xmit)(struct sk_buff *skb);
+        void        (*send_check)(struct sock *sk, struct sk_buff *skb);
         int         (*rebuild_header)(struct sock *sk);
         int         (*conn_request)(struct sock *sk, struct sk_buff *skb);
         struct sock *(*syn_recv_sock)(struct sock *sk, struct sk_buff *skb,
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 83fd34437cf1..1653de515cee 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -21,6 +21,7 @@
 #include <linux/string.h>
 #include <linux/types.h>
 #include <linux/jhash.h>
+#include <linux/netdevice.h>
 
 #include <net/flow.h>
 #include <net/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 503994a38ed1..63548f0a44b1 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -101,7 +101,7 @@ extern int		ip_do_nat(struct sk_buff *skb);
 extern void             ip_send_check(struct iphdr *ip);
 extern int              __ip_local_out(struct sk_buff *skb);
 extern int              ip_local_out(struct sk_buff *skb);
-extern int              ip_queue_xmit(struct sk_buff *skb, int ipfragok);
+extern int              ip_queue_xmit(struct sk_buff *skb);
 extern void             ip_init(void);
 extern int              ip_append_data(struct sock *sk,
                                        int getfrag(void *from, char *to, int offset, int len,
@@ -184,6 +184,12 @@ extern struct local_ports {
 } sysctl_local_ports;
 extern void inet_get_local_port_range(int *low, int *high);
 
+extern unsigned long *sysctl_local_reserved_ports;
+static inline int inet_is_reserved_local_port(int port)
+{
+        return test_bit(port, sysctl_local_reserved_ports);
+}
+
 extern int sysctl_ip_default_ttl;
 extern int sysctl_ip_nonlocal_bind;
 
@@ -393,6 +399,7 @@ 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/ip6_fib.h b/include/net/ip6_fib.h
index 86f46c49e318..4b1dc1161c37 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -88,34 +88,37 @@ struct rt6_info {
                 struct dst_entry        dst;
         } u;
 
-        struct inet6_dev                *rt6i_idev;
-
 #define rt6i_dev                        u.dst.dev
 #define rt6i_nexthop                    u.dst.neighbour
 #define rt6i_expires                    u.dst.expires
 
+        /*
+         * Tail elements of dst_entry (__refcnt etc.)
+         * and these elements (rarely used in hot path) are in
+         * the same cache line.
+         */
+        struct fib6_table               *rt6i_table;
         struct fib6_node                *rt6i_node;
 
         struct in6_addr                 rt6i_gateway;
-        
-        u32                             rt6i_flags;
-        u32                             rt6i_metric;
-        atomic_t                        rt6i_ref;
 
-        /* more non-fragment space at head required */
-        unsigned short                  rt6i_nfheader_len;
-
-        u8                              rt6i_protocol;
+        atomic_t                        rt6i_ref;
 
-        struct fib6_table               *rt6i_table;
+        /* These are in a separate cache line. */
+        struct rt6key                   rt6i_dst ____cacheline_aligned_in_smp;
+        u32                             rt6i_flags;
+        struct rt6key                   rt6i_src;
+        u32                             rt6i_metric;
 
-        struct rt6key                   rt6i_dst;
+        struct inet6_dev                *rt6i_idev;
 
 #ifdef CONFIG_XFRM
         u32                             rt6i_flow_cache_genid;
 #endif
+        /* more non-fragment space at head required */
+        unsigned short                  rt6i_nfheader_len;
 
-        struct rt6key                   rt6i_src;
+        u8                              rt6i_protocol;
 };
 
 static inline struct inet6_dev *ip6_dst_idev(struct dst_entry *dst)
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 68f67836e146..278312c95f96 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -152,9 +152,9 @@ static inline void __ip6_dst_store(struct sock *sk, struct dst_entry *dst,
 static inline void ip6_dst_store(struct sock *sk, struct dst_entry *dst,
                                  struct in6_addr *daddr, struct in6_addr *saddr)
 {
-        write_lock(&sk->sk_dst_lock);
+        spin_lock(&sk->sk_dst_lock);
         __ip6_dst_store(sk, dst, daddr, saddr);
-        write_unlock(&sk->sk_dst_lock);
+        spin_unlock(&sk->sk_dst_lock);
 }
 
 static inline int ipv6_unicast_destination(struct sk_buff *skb)
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index e72fb10ce573..eba5cc00325a 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -422,7 +422,7 @@ static inline int __ipv6_addr_diff(const void *token1, const void *token2, int a
         for (i = 0; i < addrlen; i++) {
                 __be32 xb = a1[i] ^ a2[i];
                 if (xb)
-                        return i * 32 + 32 - fls(ntohl(xb));
+                        return i * 32 + 31 - __fls(ntohl(xb));
         }
 
         /*
@@ -482,8 +482,7 @@ extern int			ip6_rcv_finish(struct sk_buff *skb);
 extern int                      ip6_xmit(struct sock *sk,
                                          struct sk_buff *skb,
                                          struct flowi *fl,
-                                         struct ipv6_txoptions *opt,
-                                         int ipfragok);
+                                         struct ipv6_txoptions *opt);
 
 extern int                      ip6_nd_hdr(struct sock *sk,
                                            struct sk_buff *skb,
@@ -504,7 +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);
 
@@ -578,9 +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/iw_handler.h b/include/net/iw_handler.h
index b2b98f3fa265..3afdb21cc31d 100644
--- a/include/net/iw_handler.h
+++ b/include/net/iw_handler.h
@@ -323,7 +323,7 @@ typedef int (*iw_handler)(struct net_device *dev, struct iw_request_info *info,
 struct iw_handler_def {
 
         /* Array of handlers for standard ioctls
-         * We will call dev->wireless_handlers->standard[ioctl - SIOCSIWCOMMIT]
+         * We will call dev->wireless_handlers->standard[ioctl - SIOCIWFIRST]
          */
         const iw_handler *      standard;
         /* Number of handlers defined (more precisely, index of the
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 45d7d44d7cbe..5be900d19660 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -144,6 +144,8 @@ struct ieee80211_low_level_stats {
  *      new beacon (beaconing modes)
  * @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,
@@ -156,6 +158,10 @@ enum ieee80211_bss_change {
         BSS_CHANGED_BSSID               = 1<<7,
         BSS_CHANGED_BEACON              = 1<<8,
         BSS_CHANGED_BEACON_ENABLED      = 1<<9,
+        BSS_CHANGED_CQM                 = 1<<10,
+        BSS_CHANGED_IBSS                = 1<<11,
+
+        /* when adding here, make sure to change ieee80211_reconfig */
 };
 
 /**
@@ -165,6 +171,8 @@ 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;
@@ -183,13 +191,19 @@ enum ieee80211_bss_change {
  *      the current band.
  * @bssid: The BSSID for this BSS
  * @enable_beacon: whether beaconing should be enabled or not
+ * @channel_type: Channel type for this BSS -- the hardware might be
+ *      configured for HT40+ while this BSS only uses no-HT, for
+ *      example.
  * @ht_operation_mode: HT operation mode (like in &struct ieee80211_ht_info).
  *      This field is only valid when the channel type is one of the HT types.
+ * @cqm_rssi_thold: Connection quality monitor RSSI threshold, a zero value
+ *      implies disabled
+ * @cqm_rssi_hyst: Connection quality monitor RSSI hysteresis
  */
 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;
@@ -202,6 +216,9 @@ struct ieee80211_bss_conf {
         u64 timestamp;
         u32 basic_rates;
         u16 ht_operation_mode;
+        s32 cqm_rssi_thold;
+        u32 cqm_rssi_hyst;
+        enum nl80211_channel_type channel_type;
 };
 
 /**
@@ -267,6 +284,9 @@ 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),
@@ -290,6 +310,9 @@ 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
 };
 
 /**
@@ -388,11 +411,11 @@ 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 {
@@ -543,7 +566,6 @@ 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.
  * @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)
@@ -554,7 +576,6 @@ struct ieee80211_rx_status {
         enum ieee80211_band band;
         int freq;
         int signal;
-        int noise;
         int antenna;
         int rate_idx;
         int flag;
@@ -580,11 +601,15 @@ struct ieee80211_rx_status {
  *      may turn the device off as much as possible. Typically, this flag will
  *      be set when an interface is set UP but not associated or scanning, but
  *      it can also be unset in that case when monitor interfaces are active.
+ * @IEEE80211_CONF_QOS: Enable 802.11e QoS also know as WMM (Wireless
+ *      Multimedia). On some drivers (iwlwifi is one of know) we have
+ *      to enable/disable QoS explicitly.
  */
 enum ieee80211_conf_flags {
         IEEE80211_CONF_MONITOR          = (1<<0),
         IEEE80211_CONF_PS               = (1<<1),
         IEEE80211_CONF_IDLE             = (1<<2),
+        IEEE80211_CONF_QOS              = (1<<3),
 };
 
 
@@ -599,6 +624,7 @@ 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),
@@ -609,6 +635,7 @@ enum ieee80211_conf_changed {
         IEEE80211_CONF_CHANGE_CHANNEL           = BIT(6),
         IEEE80211_CONF_CHANGE_RETRY_LIMITS      = BIT(7),
         IEEE80211_CONF_CHANGE_IDLE              = BIT(8),
+        IEEE80211_CONF_CHANGE_QOS               = BIT(9),
 };
 
 /**
@@ -649,6 +676,9 @@ 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)
  *
@@ -668,7 +698,7 @@ 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;
@@ -682,6 +712,28 @@ struct ieee80211_conf {
 };
 
 /**
+ * struct ieee80211_channel_switch - holds the channel switch data
+ *
+ * The information provided in this structure is required for channel switch
+ * operation.
+ *
+ * @timestamp: value in microseconds of the 64-bit Time Synchronization
+ *      Function (TSF) timer when the frame containing the channel switch
+ *      announcement was received. This is simply the rx.mactime parameter
+ *      the driver passed into mac80211.
+ * @block_tx: Indicates whether transmission must be blocked before the
+ *      scheduled channel switch, as indicated by the AP.
+ * @channel: the new channel to switch to
+ * @count: the number of TBTT's until the channel switch event
+ */
+struct ieee80211_channel_switch {
+        u64 timestamp;
+        bool block_tx;
+        struct ieee80211_channel *channel;
+        u8 count;
+};
+
+/**
  * struct ieee80211_vif - per-interface data
  *
  * Data in this structure is continually present for driver
@@ -779,6 +831,7 @@ struct ieee80211_key_conf {
         u8 iv_len;
         u8 hw_key_idx;
         u8 flags;
+        u8 *ap_addr;
         s8 keyidx;
         u8 keylen;
         u8 key[0];
@@ -907,10 +960,6 @@ 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
@@ -954,6 +1003,17 @@ enum ieee80211_tkip_key_type {
  *      Hardware can provide ack status reports of Tx frames to
  *      the stack.
  *
+ * @IEEE80211_HW_CONNECTION_MONITOR:
+ *      The hardware performs its own connection monitoring, including
+ *      periodic keep-alives to the AP and probing the AP on beacon loss.
+ *      When this flag is set, signaling beacon-loss will cause an immediate
+ *      change to disassociated state.
+ *
+ * @IEEE80211_HW_SUPPORTS_CQM_RSSI:
+ *      Hardware can do connection quality monitoring - i.e. it can monitor
+ *      connection quality related parameters, such as the RSSI level and
+ *      provide notifications if configured trigger levels are reached.
+ *
  */
 enum ieee80211_hw_flags {
         IEEE80211_HW_HAS_RATE_CONTROL                   = 1<<0,
@@ -963,7 +1023,7 @@ 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,
@@ -975,6 +1035,8 @@ enum ieee80211_hw_flags {
         IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS              = 1<<16,
         IEEE80211_HW_SUPPORTS_UAPSD                     = 1<<17,
         IEEE80211_HW_REPORTS_TX_ACK_STATUS              = 1<<18,
+        IEEE80211_HW_CONNECTION_MONITOR                 = 1<<19,
+        IEEE80211_HW_SUPPORTS_CQM_RSSI                  = 1<<20,
 };
 
 /**
@@ -1591,6 +1653,11 @@ enum ieee80211_ampdu_mlme_action {
  * @flush: Flush all pending frames from the hardware queue, making sure
  *      that the hardware queues are empty. If the parameter @drop is set
  *      to %true, pending frames may be dropped. The callback can sleep.
+ *
+ * @channel_switch: Drivers that need (or want) to offload the channel
+ *      switch operation for CSAs received from the AP may implement this
+ *      callback. They must then call ieee80211_chswitch_done() to indicate
+ *      completion of the channel switch.
  */
 struct ieee80211_ops {
         int (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb);
@@ -1606,7 +1673,7 @@ struct ieee80211_ops {
                                  struct ieee80211_bss_conf *info,
                                  u32 changed);
         u64 (*prepare_multicast)(struct ieee80211_hw *hw,
-                                 int mc_count, struct dev_addr_list *mc_list);
+                                 struct netdev_hw_addr_list *mc_list);
         void (*configure_filter)(struct ieee80211_hw *hw,
                                  unsigned int changed_flags,
                                  unsigned int *total_flags,
@@ -1621,7 +1688,7 @@ 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);
@@ -1646,13 +1713,16 @@ 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
         int (*testmode_cmd)(struct ieee80211_hw *hw, void *data, int len);
 #endif
         void (*flush)(struct ieee80211_hw *hw, bool drop);
+        void (*channel_switch)(struct ieee80211_hw *hw,
+                               struct ieee80211_channel_switch *ch_switch);
 };
 
 /**
@@ -1802,7 +1872,10 @@ void ieee80211_restart_hw(struct ieee80211_hw *hw);
  * ieee80211_rx - receive frame
  *
  * Use this function to hand received frames to mac80211. The receive
- * buffer in @skb must start with an IEEE 802.11 header.
+ * buffer in @skb must start with an IEEE 802.11 header. In case of a
+ * paged @skb is used, the driver is recommended to put the ieee80211
+ * header of the frame on the linear part of the @skb to avoid memory
+ * allocation and/or memcpy by the stack.
  *
  * This function may not be called in IRQ context. Calls to this function
  * for a single hardware must be synchronized against each other. Calls to
@@ -2364,12 +2437,52 @@ void ieee80211_sta_block_awake(struct ieee80211_hw *hw,
  *
  * @vif: &struct ieee80211_vif pointer from the add_interface callback.
  *
- * When beacon filtering is enabled with IEEE80211_HW_BEACON_FILTERING and
- * IEEE80211_CONF_PS is set, the driver needs to inform whenever the
+ * When beacon filtering is enabled with %IEEE80211_HW_BEACON_FILTERING and
+ * %IEEE80211_CONF_PS is set, the driver needs to inform whenever the
  * hardware is not receiving beacons with this function.
  */
 void ieee80211_beacon_loss(struct ieee80211_vif *vif);
 
+/**
+ * ieee80211_connection_loss - inform hardware has lost connection to the AP
+ *
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
+ *
+ * When beacon filtering is enabled with %IEEE80211_HW_BEACON_FILTERING, and
+ * %IEEE80211_CONF_PS and %IEEE80211_HW_CONNECTION_MONITOR are set, the driver
+ * needs to inform if the connection to the AP has been lost.
+ *
+ * This function will cause immediate change to disassociated state,
+ * without connection recovery attempts.
+ */
+void ieee80211_connection_loss(struct ieee80211_vif *vif);
+
+/**
+ * ieee80211_cqm_rssi_notify - inform a configured connection quality monitoring
+ *      rssi threshold triggered
+ *
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
+ * @rssi_event: the RSSI trigger event type
+ * @gfp: context flags
+ *
+ * When the %IEEE80211_HW_SUPPORTS_CQM_RSSI is set, and a connection quality
+ * monitoring is configured with an rssi threshold, the driver will inform
+ * whenever the rssi level reaches the threshold.
+ */
+void ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif,
+                               enum nl80211_cqm_rssi_threshold_event rssi_event,
+                               gfp_t gfp);
+
+/**
+ * ieee80211_chswitch_done - Complete channel switch process
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
+ * @success: make the channel switch successful or not
+ *
+ * Complete the channel switch post-process: set the new operational channel
+ * and wake up the suspended queues.
+ */
+void ieee80211_chswitch_done(struct ieee80211_vif *vif, bool success);
+
 /* Rate control API */
 
 /**
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/neighbour.h b/include/net/neighbour.h
index da1d58be31b7..eb21340a573b 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -299,6 +299,20 @@ static inline int neigh_event_send(struct neighbour *neigh, struct sk_buff *skb)
         return 0;
 }
 
+#ifdef CONFIG_BRIDGE_NETFILTER
+static inline int neigh_hh_bridge(struct hh_cache *hh, struct sk_buff *skb)
+{
+        unsigned seq, hh_alen;
+
+        do {
+                seq = read_seqbegin(&hh->hh_lock);
+                hh_alen = HH_DATA_ALIGN(ETH_HLEN);
+                memcpy(skb->data - hh_alen, hh->hh_data, ETH_ALEN + hh_alen - ETH_HLEN);
+        } while (read_seqretry(&hh->hh_lock, seq));
+        return 0;
+}
+#endif
+
 static inline int neigh_hh_output(struct hh_cache *hh, struct sk_buff *skb)
 {
         unsigned seq;
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 2764994c9136..d68c3f121774 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -55,19 +55,14 @@ 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
-        struct sock             *mroute_sk;
-        struct mfc_cache        **mfc_cache_array;
-        struct vif_device       *vif_table;
-        int                     maxvif;
-        atomic_t                cache_resolve_queue_len;
-        int                     mroute_do_assert;
-        int                     mroute_do_pim;
-#if defined(CONFIG_IP_PIMSM_V1) || defined(CONFIG_IP_PIMSM_V2)
-        int                     mroute_reg_vif_num;
+#ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES
+        struct mr_table         *mrt;
+#else
+        struct list_head        mr_tables;
+        struct fib_rules_ops    *mr_rules_ops;
 #endif
 #endif
 };
diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h
index 1f11ebc22151..81abfcb2eb4e 100644
--- a/include/net/netns/ipv6.h
+++ b/include/net/netns/ipv6.h
@@ -59,15 +59,11 @@ struct netns_ipv6 {
         struct sock             *tcp_sk;
         struct sock             *igmp_sk;
 #ifdef CONFIG_IPV6_MROUTE
-        struct sock             *mroute6_sk;
-        struct mfc6_cache       **mfc6_cache_array;
-        struct mif_device       *vif6_table;
-        int                     maxvif;
-        atomic_t                cache_resolve_queue_len;
-        int                     mroute_do_assert;
-        int                     mroute_do_pim;
-#ifdef CONFIG_IPV6_PIMSM_V2
-        int                     mroute_reg_vif_num;
+#ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
+        struct mr6_table        *mrt6;
+#else
+        struct list_head        mr6_tables;
+        struct fib_rules_ops    *mr6_rules_ops;
 #endif
 #endif
 };
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index b6cdc33b39c1..9d4d87cc970e 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -12,7 +12,7 @@ struct qdisc_walker {
         int     (*fn)(struct Qdisc *, unsigned long cl, struct qdisc_walker *);
 };
 
-#define QDISC_ALIGNTO           32
+#define QDISC_ALIGNTO           64
 #define QDISC_ALIGN(len)        (((len) + QDISC_ALIGNTO-1) & ~(QDISC_ALIGNTO-1))
 
 static inline void *qdisc_priv(struct Qdisc *q)
diff --git a/include/net/raw.h b/include/net/raw.h
index 6c14a656357a..43c57502659b 100644
--- a/include/net/raw.h
+++ b/include/net/raw.h
@@ -19,6 +19,7 @@
 
 
 #include <net/protocol.h>
+#include <linux/icmp.h>
 
 extern struct proto raw_prot;
 
@@ -56,4 +57,16 @@ int raw_seq_open(struct inode *ino, struct file *file,
 void raw_hash_sk(struct sock *sk);
 void raw_unhash_sk(struct sock *sk);
 
+struct raw_sock {
+        /* inet_sock has to be the first member */
+        struct inet_sock   inet;
+        struct icmp_filter filter;
+        u32                ipmr_table;
+};
+
+static inline struct raw_sock *raw_sk(const struct sock *sk)
+{
+        return (struct raw_sock *)sk;
+}
+
 #endif  /* _RAW_H */
diff --git a/include/net/route.h b/include/net/route.h
index 2c9fba7f7731..af6cf4b4c9dc 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -112,7 +112,22 @@ extern void		rt_cache_flush_batch(void);
 extern int              __ip_route_output_key(struct net *, struct rtable **, const struct flowi *flp);
 extern int              ip_route_output_key(struct net *, struct rtable **, struct flowi *flp);
 extern int              ip_route_output_flow(struct net *, struct rtable **rp, struct flowi *flp, struct sock *sk, int flags);
-extern int              ip_route_input(struct sk_buff*, __be32 dst, __be32 src, u8 tos, struct net_device *devin);
+
+extern int ip_route_input_common(struct sk_buff *skb, __be32 dst, __be32 src,
+                                 u8 tos, struct net_device *devin, bool noref);
+
+static inline int ip_route_input(struct sk_buff *skb, __be32 dst, __be32 src,
+                                 u8 tos, struct net_device *devin)
+{
+        return ip_route_input_common(skb, dst, src, tos, devin, false);
+}
+
+static inline int ip_route_input_noref(struct sk_buff *skb, __be32 dst, __be32 src,
+                                       u8 tos, struct net_device *devin)
+{
+        return ip_route_input_common(skb, dst, src, tos, devin, true);
+}
+
 extern unsigned short   ip_rt_frag_needed(struct net *net, struct iphdr *iph, unsigned short new_mtu, struct net_device *dev);
 extern void             ip_rt_send_redirect(struct sk_buff *skb);
 
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 67dc08eaaa45..03ca5d826757 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -73,6 +73,7 @@ struct Qdisc {
         struct sk_buff_head     q;
         struct gnet_stats_basic_packed bstats;
         struct gnet_stats_queue qstats;
+        struct rcu_head     rcu_head;
 };
 
 struct Qdisc_class_ops {
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index fa6cde578a1d..65946bc43d00 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -269,7 +269,7 @@ enum {
 #define SCTP_MIB_MAX    __SCTP_MIB_MAX
 struct sctp_mib {
         unsigned long   mibs[SCTP_MIB_MAX];
-} __SNMP_MIB_ALIGN__;
+};
 
 
 /* Print debugging messages.  */
@@ -547,7 +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 61d73e37d543..4088c89a9055 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -438,7 +438,7 @@ 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 219043a67bf7..6173c619913a 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? */
@@ -879,7 +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;
@@ -909,22 +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.
          */
@@ -944,9 +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. */
@@ -977,9 +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;
 
@@ -1026,8 +1024,6 @@ 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.
@@ -1069,7 +1065,7 @@ 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);
@@ -1723,6 +1719,12 @@ 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 692ee0061dc4..92456f1035f5 100644
--- a/include/net/snmp.h
+++ b/include/net/snmp.h
@@ -52,26 +52,11 @@ struct snmp_mib {
  * count on the 20Gb/s + networks people expect in a few years time!
  */
 
-/* 
- * The rule for padding: 
- * Best is power of two because then the right structure can be found by a 
- * simple shift. The structure should be always cache line aligned.
- * gcc needs n=alignto(cachelinesize, popcnt(sizeof(bla_mib))) shift/add 
- * instructions to emulate multiply in case it is not power-of-two. 
- * Currently n is always <=3 for all sizes so simple cache line alignment 
- * is enough. 
- * 
- * The best solution would be a global CPU local area , especially on 64 
- * and 128byte cacheline machine it makes a *lot* of sense -AK
- */ 
-
-#define __SNMP_MIB_ALIGN__      ____cacheline_aligned
-
 /* IPstats */
 #define IPSTATS_MIB_MAX __IPSTATS_MIB_MAX
 struct ipstats_mib {
         unsigned long   mibs[IPSTATS_MIB_MAX];
-} __SNMP_MIB_ALIGN__;
+};
 
 /* ICMP */
 #define ICMP_MIB_DUMMY  __ICMP_MIB_MAX
@@ -79,36 +64,36 @@ struct ipstats_mib {
 
 struct icmp_mib {
         unsigned long   mibs[ICMP_MIB_MAX];
-} __SNMP_MIB_ALIGN__;
+};
 
 #define ICMPMSG_MIB_MAX __ICMPMSG_MIB_MAX
 struct icmpmsg_mib {
         unsigned long   mibs[ICMPMSG_MIB_MAX];
-} __SNMP_MIB_ALIGN__;
+};
 
 /* ICMP6 (IPv6-ICMP) */
 #define ICMP6_MIB_MAX   __ICMP6_MIB_MAX
 struct icmpv6_mib {
         unsigned long   mibs[ICMP6_MIB_MAX];
-} __SNMP_MIB_ALIGN__;
+};
 
 #define ICMP6MSG_MIB_MAX  __ICMP6MSG_MIB_MAX
 struct icmpv6msg_mib {
         unsigned long   mibs[ICMP6MSG_MIB_MAX];
-} __SNMP_MIB_ALIGN__;
+};
 
 
 /* TCP */
 #define TCP_MIB_MAX     __TCP_MIB_MAX
 struct tcp_mib {
         unsigned long   mibs[TCP_MIB_MAX];
-} __SNMP_MIB_ALIGN__;
+};
 
 /* UDP */
 #define UDP_MIB_MAX     __UDP_MIB_MAX
 struct udp_mib {
         unsigned long   mibs[UDP_MIB_MAX];
-} __SNMP_MIB_ALIGN__;
+};
 
 /* Linux */
 #define LINUX_MIB_MAX   __LINUX_MIB_MAX
@@ -148,6 +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 1ad6435f252e..5697caf8cc76 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -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
@@ -177,6 +177,7 @@ struct sock_common {
   *                %SO_OOBINLINE settings, %SO_TIMESTAMPING settings
   *     @sk_no_check: %SO_NO_CHECK setting, wether or not checkup packets
   *     @sk_route_caps: route capabilities (e.g. %NETIF_F_TSO)
+  *     @sk_route_nocaps: forbidden route capabilities (e.g NETIF_F_GSO_MASK)
   *     @sk_gso_type: GSO type (e.g. %SKB_GSO_TCPV4)
   *     @sk_gso_max_size: Maximum GSO segment size to build
   *     @sk_lingertime: %SO_LINGER l_linger setting
@@ -198,6 +199,7 @@ 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
@@ -255,14 +257,13 @@ 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];
 #endif
-        rwlock_t                sk_dst_lock;
+        spinlock_t              sk_dst_lock;
         atomic_t                sk_rmem_alloc;
         atomic_t                sk_wmem_alloc;
         atomic_t                sk_omem_alloc;
@@ -276,9 +277,13 @@ struct sock {
         int                     sk_forward_alloc;
         gfp_t                   sk_allocation;
         int                     sk_route_caps;
+        int                     sk_route_nocaps;
         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;
@@ -595,19 +600,32 @@ static inline int sk_stream_memory_free(struct sock *sk)
 /* OOB backlog add */
 static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb)
 {
-        if (!sk->sk_backlog.tail) {
-                sk->sk_backlog.head = sk->sk_backlog.tail = skb;
-        } else {
+        /* dont let skb dst not refcounted, we are going to leave rcu lock */
+        skb_dst_force(skb);
+
+        if (!sk->sk_backlog.tail)
+                sk->sk_backlog.head = skb;
+        else
                 sk->sk_backlog.tail->next = skb;
-                sk->sk_backlog.tail = skb;
-        }
+
+        sk->sk_backlog.tail = 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 +638,40 @@ 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 +1026,16 @@ 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 +1222,10 @@ 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 +1238,14 @@ 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);
@@ -1192,7 +1258,9 @@ extern unsigned long sock_i_ino(struct sock *sk);
 static inline struct dst_entry *
 __sk_dst_get(struct sock *sk)
 {
-        return sk->sk_dst_cache;
+        return rcu_dereference_check(sk->sk_dst_cache, rcu_read_lock_held() ||
+                                                       sock_owned_by_user(sk) ||
+                                                       lockdep_is_held(&sk->sk_lock.slock));
 }
 
 static inline struct dst_entry *
@@ -1200,50 +1268,65 @@ sk_dst_get(struct sock *sk)
 {
         struct dst_entry *dst;
 
-        read_lock(&sk->sk_dst_lock);
-        dst = sk->sk_dst_cache;
+        rcu_read_lock();
+        dst = rcu_dereference(sk->sk_dst_cache);
         if (dst)
                 dst_hold(dst);
-        read_unlock(&sk->sk_dst_lock);
+        rcu_read_unlock();
         return dst;
 }
 
+extern void sk_reset_txq(struct sock *sk);
+
+static inline void dst_negative_advice(struct sock *sk)
+{
+        struct dst_entry *ndst, *dst = __sk_dst_get(sk);
+
+        if (dst && dst->ops->negative_advice) {
+                ndst = dst->ops->negative_advice(dst);
+
+                if (ndst != dst) {
+                        rcu_assign_pointer(sk->sk_dst_cache, ndst);
+                        sk_reset_txq(sk);
+                }
+        }
+}
+
 static inline void
 __sk_dst_set(struct sock *sk, struct dst_entry *dst)
 {
         struct dst_entry *old_dst;
 
         sk_tx_queue_clear(sk);
-        old_dst = sk->sk_dst_cache;
-        sk->sk_dst_cache = dst;
+        /*
+         * 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);
 }
 
 static inline void
 sk_dst_set(struct sock *sk, struct dst_entry *dst)
 {
-        write_lock(&sk->sk_dst_lock);
+        spin_lock(&sk->sk_dst_lock);
         __sk_dst_set(sk, dst);
-        write_unlock(&sk->sk_dst_lock);
+        spin_unlock(&sk->sk_dst_lock);
 }
 
 static inline void
 __sk_dst_reset(struct sock *sk)
 {
-        struct dst_entry *old_dst;
-
-        sk_tx_queue_clear(sk);
-        old_dst = sk->sk_dst_cache;
-        sk->sk_dst_cache = NULL;
-        dst_release(old_dst);
+        __sk_dst_set(sk, NULL);
 }
 
 static inline void
 sk_dst_reset(struct sock *sk)
 {
-        write_lock(&sk->sk_dst_lock);
+        spin_lock(&sk->sk_dst_lock);
         __sk_dst_reset(sk);
-        write_unlock(&sk->sk_dst_lock);
+        spin_unlock(&sk->sk_dst_lock);
 }
 
 extern struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie);
@@ -1257,6 +1340,12 @@ static inline int sk_can_gso(const struct sock *sk)
 
 extern void sk_setup_caps(struct sock *sk, struct dst_entry *dst);
 
+static inline void sk_nocaps_add(struct sock *sk, int flags)
+{
+        sk->sk_route_nocaps |= flags;
+        sk->sk_route_caps &= ~flags;
+}
+
 static inline int skb_copy_to_page(struct sock *sk, char __user *from,
                                    struct sk_buff *skb, struct page *page,
                                    int off, int copy)
@@ -1314,12 +1403,12 @@ 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:
@@ -1332,9 +1421,10 @@ 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)
  *                          ...
  *                       }
  *
@@ -1343,19 +1433,18 @@ 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);
 }
 
 /**
@@ -1364,7 +1453,7 @@ 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)
@@ -1375,7 +1464,7 @@ 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();
         }
@@ -1557,7 +1646,24 @@ 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 aa04b9a5093b..a1449144848a 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);
 
@@ -423,7 +424,7 @@ extern u8			*tcp_parse_md5sig_option(struct tcphdr *th);
  *      TCP v4 functions exported for the inet6 API
  */
 
-extern void                     tcp_v4_send_check(struct sock *sk, int len,
+extern void                     tcp_v4_send_check(struct sock *sk,
                                                   struct sk_buff *skb);
 
 extern int                      tcp_v4_conn_request(struct sock *sk,
@@ -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/tipc/tipc.h b/include/net/tipc/tipc.h
index 9566608c88cf..15af6dca0b49 100644
--- a/include/net/tipc/tipc.h
+++ b/include/net/tipc/tipc.h
@@ -2,7 +2,7 @@
  * include/net/tipc/tipc.h: Main include file for TIPC users
  * 
  * Copyright (c) 2003-2006, Ericsson AB
- * Copyright (c) 2005, Wind River Systems
+ * Copyright (c) 2005,2010 Wind River Systems
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -126,7 +126,7 @@ int tipc_createport(unsigned int tipc_user,
                     tipc_msg_event message_cb, 
                     tipc_named_msg_event named_message_cb, 
                     tipc_conn_msg_event conn_message_cb, 
-                    tipc_continue_event continue_event_cb,/* May be zero */
+                    tipc_continue_event continue_event_cb,
                     u32 *portref);
 
 int tipc_deleteport(u32 portref);
@@ -145,13 +145,13 @@ int tipc_set_portunreturnable(u32 portref, unsigned int isunreturnable);
 int tipc_publish(u32 portref, unsigned int scope, 
                  struct tipc_name_seq const *name_seq);
 int tipc_withdraw(u32 portref, unsigned int scope,
-                  struct tipc_name_seq const *name_seq); /* 0: all */
+                  struct tipc_name_seq const *name_seq);
 
 int tipc_connect2port(u32 portref, struct tipc_portid const *port);
 
 int tipc_disconnect(u32 portref);
 
-int tipc_shutdown(u32 ref); /* Sends SHUTDOWN msg */
+int tipc_shutdown(u32 ref);
 
 int tipc_isconnected(u32 portref, int *isconnected);
 
@@ -176,7 +176,7 @@ int tipc_send_buf(u32 portref,
 
 int tipc_send2name(u32 portref, 
                    struct tipc_name const *name, 
-                   u32 domain,  /* 0:own zone */
+                   u32 domain,
                    unsigned int num_sect,
                    struct iovec const *msg_sect);
 
@@ -188,7 +188,7 @@ int tipc_send_buf2name(u32 portref,
 
 int tipc_forward2name(u32 portref, 
                       struct tipc_name const *name, 
-                      u32 domain,   /*0: own zone */
+                      u32 domain,
                       unsigned int section_count,
                       struct iovec const *msg_sect,
                       struct tipc_portid const *origin,
@@ -228,14 +228,14 @@ int tipc_forward_buf2port(u32 portref,
 
 int tipc_multicast(u32 portref, 
                    struct tipc_name_seq const *seq, 
-                   u32 domain,  /* 0:own zone */
+                   u32 domain,  /* currently unused */
                    unsigned int section_count,
                    struct iovec const *msg);
 
 #if 0
 int tipc_multicast_buf(u32 portref, 
                        struct tipc_name_seq const *seq, 
-                       u32 domain,      /* 0:own zone */
+                       u32 domain,
                        void *buf,
                        unsigned int size);
 #endif
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/x25.h b/include/net/x25.h
index 468551ea4f1d..1479cb4a41fc 100644
--- a/include/net/x25.h
+++ b/include/net/x25.h
@@ -80,8 +80,6 @@ enum {
 #define X25_DEFAULT_PACKET_SIZE X25_PS128               /* Default Packet Size */
 #define X25_DEFAULT_THROUGHPUT  0x0A                    /* Deafult Throughput */
 #define X25_DEFAULT_REVERSE     0x00                    /* Default Reverse Charging */
-#define X25_DENY_ACCPT_APPRV   0x01                     /* Default value */
-#define X25_ALLOW_ACCPT_APPRV  0x00                     /* Control enabled */
 
 #define X25_SMODULUS            8
 #define X25_EMODULUS            128
@@ -113,6 +111,11 @@ enum {
 #define X25_MAX_AE_LEN          40                      /* Max num of semi-octets in AE - OSI Nw */
 #define X25_MAX_DTE_FACIL_LEN   21                      /* Max length of DTE facility params */
 
+/* Bitset in x25_sock->flags for misc flags */
+#define X25_Q_BIT_FLAG          0
+#define X25_INTERRUPT_FLAG      1
+#define X25_ACCPT_APPRV_FLAG    2
+
 /**
  *      struct x25_route - x25 routing entry
  *      @node - entry in x25_list_lock
@@ -146,10 +149,11 @@ struct x25_sock {
         struct x25_address      source_addr, dest_addr;
         struct x25_neigh        *neighbour;
         unsigned int            lci, cudmatchlength;
-        unsigned char           state, condition, qbitincl, intflag, accptapprv;
+        unsigned char           state, condition;
         unsigned short          vs, vr, va, vl;
         unsigned long           t2, t21, t22, t23;
         unsigned short          fraglen;
+        unsigned long           flags;
         struct sk_buff_head     ack_queue;
         struct sk_buff_head     fragment_queue;
         struct sk_buff_head     interrupt_in_queue;
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)
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index ac52f33f3e4a..1913af67c43d 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -20,6 +20,7 @@
 #include <net/route.h>
 #include <net/ipv6.h>
 #include <net/ip6_fib.h>
+#include <net/flow.h>
 
 #include <linux/interrupt.h>
 
@@ -267,7 +268,6 @@ struct xfrm_policy_afinfo {
                                                xfrm_address_t *saddr,
                                                xfrm_address_t *daddr);
         int                     (*get_saddr)(struct net *net, xfrm_address_t *saddr, xfrm_address_t *daddr);
-        struct dst_entry        *(*find_bundle)(struct flowi *fl, struct xfrm_policy *policy);
         void                    (*decode_session)(struct sk_buff *skb,
                                                   struct flowi *fl,
                                                   int reverse);
@@ -482,13 +482,14 @@ struct xfrm_policy {
         atomic_t                refcnt;
         struct timer_list       timer;
 
+        struct flow_cache_object flo;
+        atomic_t                genid;
         u32                     priority;
         u32                     index;
         struct xfrm_mark        mark;
         struct xfrm_selector    selector;
         struct xfrm_lifetime_cfg lft;
         struct xfrm_lifetime_cur curlft;
-        struct dst_entry       *bundles;
         struct xfrm_policy_walk_entry walk;
         u8                      type;
         u8                      action;
@@ -735,19 +736,12 @@ static inline void xfrm_pol_put(struct xfrm_policy *policy)
                 xfrm_policy_destroy(policy);
 }
 
-#ifdef CONFIG_XFRM_SUB_POLICY
 static inline void xfrm_pols_put(struct xfrm_policy **pols, int npols)
 {
         int i;
         for (i = npols - 1; i >= 0; --i)
                 xfrm_pol_put(pols[i]);
 }
-#else
-static inline void xfrm_pols_put(struct xfrm_policy **pols, int npols)
-{
-        xfrm_pol_put(pols[0]);
-}
-#endif
 
 extern void __xfrm_state_destroy(struct xfrm_state *);
 
@@ -878,11 +872,15 @@ struct xfrm_dst {
                 struct rt6_info         rt6;
         } u;
         struct dst_entry *route;
+        struct flow_cache_object flo;
+        struct xfrm_policy *pols[XFRM_POLICY_TYPE_MAX];
+        int num_pols, num_xfrms;
 #ifdef CONFIG_XFRM_SUB_POLICY
         struct flowi *origin;
         struct xfrm_selector *partner;
 #endif
-        u32 genid;
+        u32 xfrm_genid;
+        u32 policy_genid;
         u32 route_mtu_cached;
         u32 child_mtu_cached;
         u32 route_cookie;
@@ -892,6 +890,7 @@ struct xfrm_dst {
 #ifdef CONFIG_XFRM
 static inline void xfrm_dst_destroy(struct xfrm_dst *xdst)
 {
+        xfrm_pols_put(xdst->pols, xdst->num_pols);
         dst_release(xdst->route);
         if (likely(xdst->u.dst.xfrm))
                 xfrm_state_put(xdst->u.dst.xfrm);