diff options
author | Patrick McHardy <kaber@trash.net> | 2010-04-20 16:02:01 +0200 |
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committer | Patrick McHardy <kaber@trash.net> | 2010-04-20 16:02:01 +0200 |
commit | 62910554656cdcd6b6f84a5154c4155aae4ca231 (patch) | |
tree | dcf14004f6fd2ef7154362ff948bfeba0f3ea92d /include/net | |
parent | 22265a5c3c103cf8c50be62e6c90d045eb649e6d (diff) | |
parent | ab9304717f7624c41927f442e6b6d418b2d8b3e4 (diff) | |
download | op-kernel-dev-62910554656cdcd6b6f84a5154c4155aae4ca231.zip op-kernel-dev-62910554656cdcd6b6f84a5154c4155aae4ca231.tar.gz |
Merge branch 'master' of /repos/git/net-next-2.6
Conflicts:
Documentation/feature-removal-schedule.txt
net/ipv6/netfilter/ip6t_REJECT.c
net/netfilter/xt_limit.c
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'include/net')
45 files changed, 1332 insertions, 133 deletions
diff --git a/include/net/9p/client.h b/include/net/9p/client.h index f076dfa..4f3760a 100644 --- a/include/net/9p/client.h +++ b/include/net/9p/client.h @@ -54,6 +54,7 @@ enum p9_proto_versions{ enum p9_trans_status { Connected, + BeginDisconnect, Disconnected, Hung, }; @@ -198,6 +199,7 @@ int p9_client_version(struct p9_client *); struct p9_client *p9_client_create(const char *dev_name, char *options); void p9_client_destroy(struct p9_client *clnt); void p9_client_disconnect(struct p9_client *clnt); +void p9_client_begin_disconnect(struct p9_client *clnt); struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid, char *uname, u32 n_uname, char *aname); struct p9_fid *p9_client_auth(struct p9_client *clnt, char *uname, diff --git a/include/net/ax25.h b/include/net/ax25.h index 717e219..206d222 100644 --- a/include/net/ax25.h +++ b/include/net/ax25.h @@ -10,6 +10,7 @@ #include <linux/spinlock.h> #include <linux/timer.h> #include <linux/list.h> +#include <linux/slab.h> #include <asm/atomic.h> #define AX25_T1CLAMPLO 1 diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h index 04a6908..ff77e8f 100644 --- a/include/net/bluetooth/bluetooth.h +++ b/include/net/bluetooth/bluetooth.h @@ -176,6 +176,6 @@ extern void hci_sock_cleanup(void); extern int bt_sysfs_init(void); extern void bt_sysfs_cleanup(void); -extern struct class *bt_class; +extern struct dentry *bt_debugfs; #endif /* __BLUETOOTH_H */ diff --git a/include/net/caif/caif_dev.h b/include/net/caif/caif_dev.h new file mode 100644 index 0000000..42a7c78 --- /dev/null +++ b/include/net/caif/caif_dev.h @@ -0,0 +1,90 @@ +/* + * 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]; +}; + +/** + * caif_connect_request - Request data for CAIF channel setup. + * @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. + * + * This struct is used when connecting a CAIF channel. + * It contains all CAIF channel configuration options. + */ +struct caif_connect_request { + int 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); + +/** + * 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 0000000..d02f044 --- /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 0000000..25c472f --- /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 0000000..366082c --- /dev/null +++ b/include/net/caif/cfcnfg.h @@ -0,0 +1,133 @@ +/* + * 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_del_adapt_layer - Deletes an adaptation layer from the CAIF stack. + * + * @cnfg: Pointer to a CAIF configuration object, created by + * cfcnfg_create(). + * @adap_layer: Adaptation layer to be removed. + */ +int cfcnfg_del_adapt_layer(struct cfcnfg *cnfg, struct cflayer *adap_layer); + +/** + * 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 0000000..dee25b8 --- /dev/null +++ b/include/net/caif/cfctrl.h @@ -0,0 +1,138 @@ +/* + * 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, + struct cflayer *client_layer); + 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); +void 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); +#endif /* CFCTRL_H_ */ diff --git a/include/net/caif/cffrml.h b/include/net/caif/cffrml.h new file mode 100644 index 0000000..3f14d2e --- /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 0000000..4e1b4f3 --- /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 0000000..fbc681b --- /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 0000000..b837432 --- /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 0000000..b2a12db --- /dev/null +++ b/include/net/caif/cfsrvl.h @@ -0,0 +1,34 @@ +/* + * 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> +struct cfsrvl { + struct cflayer layer; + bool open; + bool phy_flow_on; + bool modem_flow_on; + struct dev_info dev_info; +}; + +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); + +#endif /* CFSRVL_H_ */ diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 3d134a1..37cebd3 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -704,6 +704,10 @@ 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 +716,7 @@ struct cfg80211_auth_request { enum nl80211_auth_type auth_type; const u8 *key; u8 key_len, key_idx; + bool local_state_change; }; /** @@ -744,12 +749,15 @@ 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 +770,15 @@ 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; }; /** @@ -1007,6 +1018,7 @@ 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_cqm_rssi_config: Configure connection quality monitor RSSI threshold. * */ struct cfg80211_ops { @@ -1152,6 +1164,10 @@ 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); }; /* @@ -2337,4 +2353,18 @@ 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 52da6c3..bbcde32 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 ce078cda..aac5a5f 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -225,21 +225,6 @@ 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 c07ac96..52bd9e6 100644 --- a/include/net/fib_rules.h +++ b/include/net/fib_rules.h @@ -2,6 +2,7 @@ #define __NET_FIB_RULES_H #include <linux/types.h> +#include <linux/slab.h> #include <linux/netdevice.h> #include <linux/fib_rules.h> #include <net/flow.h> @@ -113,4 +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 809970b..bb08692 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 15b3dfe..6e991e0 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 545d8b0..13f9fc0 100644 --- a/include/net/if_inet6.h +++ b/include/net/if_inet6.h @@ -54,16 +54,17 @@ 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 +152,9 @@ 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 +176,7 @@ 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 f13ddc2..aae08f6 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 696d6e4..b6d3b55 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 83fd344..b487bc1 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> @@ -101,6 +102,7 @@ struct rtable; * @uc_ttl - Unicast TTL * @inet_sport - Source port * @inet_id - ID counter for DF pkts + * @rxhash - flow hash received from netif layer * @tos - TOS * @mc_ttl - Multicasting TTL * @is_icsk - is this an inet_connection_sock? @@ -124,6 +126,9 @@ struct inet_sock { __u16 cmsg_flags; __be16 inet_sport; __u16 inet_id; +#ifdef CONFIG_RPS + __u32 rxhash; +#endif struct ip_options *opt; __u8 tos; @@ -219,4 +224,37 @@ static inline __u8 inet_sk_flowi_flags(const struct sock *sk) return inet_sk(sk)->transparent ? FLOWI_FLAG_ANYSRC : 0; } +static inline void inet_rps_record_flow(const struct sock *sk) +{ +#ifdef CONFIG_RPS + struct rps_sock_flow_table *sock_flow_table; + + rcu_read_lock(); + sock_flow_table = rcu_dereference(rps_sock_flow_table); + rps_record_sock_flow(sock_flow_table, inet_sk(sk)->rxhash); + rcu_read_unlock(); +#endif +} + +static inline void inet_rps_reset_flow(const struct sock *sk) +{ +#ifdef CONFIG_RPS + struct rps_sock_flow_table *sock_flow_table; + + rcu_read_lock(); + sock_flow_table = rcu_dereference(rps_sock_flow_table); + rps_reset_sock_flow(sock_flow_table, inet_sk(sk)->rxhash); + rcu_read_unlock(); +#endif +} + +static inline void inet_rps_save_rxhash(const struct sock *sk, u32 rxhash) +{ +#ifdef CONFIG_RPS + if (unlikely(inet_sk(sk)->rxhash != rxhash)) { + inet_rps_reset_flow(sk); + inet_sk(sk)->rxhash = rxhash; + } +#endif +} #endif /* _INET_SOCK_H */ diff --git a/include/net/ip.h b/include/net/ip.h index 503994a..a84ceb6 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, diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h index 86f46c4..4b1dc11 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 68f67836..278312c 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 e72fb10..b1d8db9 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, diff --git a/include/net/ipx.h b/include/net/ipx.h index a14121d..ef51a66 100644 --- a/include/net/ipx.h +++ b/include/net/ipx.h @@ -13,6 +13,7 @@ #include <net/datalink.h> #include <linux/ipx.h> #include <linux/list.h> +#include <linux/slab.h> struct ipx_address { __be32 net; diff --git a/include/net/iucv/iucv.h b/include/net/iucv/iucv.h index 5e310c8..205a336 100644 --- a/include/net/iucv/iucv.h +++ b/include/net/iucv/iucv.h @@ -28,6 +28,7 @@ */ #include <linux/types.h> +#include <linux/slab.h> #include <asm/debug.h> /* diff --git a/include/net/iw_handler.h b/include/net/iw_handler.h index b2b98f3..3afdb21 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 45d7d44..344e5bf 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -144,6 +144,7 @@ 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 */ enum ieee80211_bss_change { BSS_CHANGED_ASSOC = 1<<0, @@ -156,6 +157,7 @@ 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, }; /** @@ -185,6 +187,9 @@ enum ieee80211_bss_change { * @enable_beacon: whether beaconing should be enabled or not * @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; @@ -202,6 +207,8 @@ struct ieee80211_bss_conf { u64 timestamp; u32 basic_rates; u16 ht_operation_mode; + s32 cqm_rssi_thold; + u32 cqm_rssi_hyst; }; /** @@ -543,7 +550,7 @@ 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. + * @noise: noise when receiving this frame, in dBm (DEPRECATED). * @antenna: antenna used * @rate_idx: index of data rate into band's supported rates or MCS index if * HT rates are use (RX_FLAG_HT) @@ -554,7 +561,7 @@ struct ieee80211_rx_status { enum ieee80211_band band; int freq; int signal; - int noise; + int noise __deprecated; int antenna; int rate_idx; int flag; @@ -580,11 +587,15 @@ 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), }; @@ -609,6 +620,7 @@ 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), }; /** @@ -954,6 +966,17 @@ 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, @@ -975,6 +998,8 @@ 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, }; /** @@ -1606,7 +1631,7 @@ 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, @@ -1802,7 +1827,10 @@ 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 +2392,42 @@ 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); + /* Rate control API */ /** diff --git a/include/net/netfilter/nf_conntrack_extend.h b/include/net/netfilter/nf_conntrack_extend.h index 2d2a1f9..32d15bd 100644 --- a/include/net/netfilter/nf_conntrack_extend.h +++ b/include/net/netfilter/nf_conntrack_extend.h @@ -1,6 +1,8 @@ #ifndef _NF_CONNTRACK_EXTEND_H #define _NF_CONNTRACK_EXTEND_H +#include <linux/slab.h> + #include <net/netfilter/nf_conntrack.h> enum nf_ct_ext_id { diff --git a/include/net/netlabel.h b/include/net/netlabel.h index 60ebbc1..9db401a 100644 --- a/include/net/netlabel.h +++ b/include/net/netlabel.h @@ -31,6 +31,7 @@ #define _NETLABEL_H #include <linux/types.h> +#include <linux/slab.h> #include <linux/net.h> #include <linux/skbuff.h> #include <linux/in.h> diff --git a/include/net/netlink.h b/include/net/netlink.h index f82e463..4fc05b5 100644 --- a/include/net/netlink.h +++ b/include/net/netlink.h @@ -945,7 +945,11 @@ static inline u64 nla_get_u64(const struct nlattr *nla) */ static inline __be64 nla_get_be64(const struct nlattr *nla) { - return *(__be64 *) nla_data(nla); + __be64 tmp; + + nla_memcpy(&tmp, nla, sizeof(tmp)); + + return tmp; } /** diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index 2764994..ae07fee 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -59,15 +59,11 @@ struct netns_ipv4 { 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/netrom.h b/include/net/netrom.h index ab170a6..f0793c1 100644 --- a/include/net/netrom.h +++ b/include/net/netrom.h @@ -9,6 +9,7 @@ #include <linux/netrom.h> #include <linux/list.h> +#include <linux/slab.h> #include <net/sock.h> #define NR_NETWORK_LEN 15 diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h index b6cdc33..9d4d87c 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 6c14a65..43c5750 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/sch_generic.h b/include/net/sch_generic.h index 67dc08e..03ca5d8 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 78740ec..5915155 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -268,7 +268,7 @@ enum { #define SCTP_MIB_MAX __SCTP_MIB_MAX struct sctp_mib { unsigned long mibs[SCTP_MIB_MAX]; -} __SNMP_MIB_ALIGN__; +}; /* Print debugging messages. */ diff --git a/include/net/snmp.h b/include/net/snmp.h index 692ee00..884fdbb 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 diff --git a/include/net/sock.h b/include/net/sock.h index 092b055..56df440 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -51,6 +51,7 @@ #include <linux/skbuff.h> /* struct sk_buff */ #include <linux/mm.h> #include <linux/security.h> +#include <linux/slab.h> #include <linux/filter.h> #include <linux/rculist_nulls.h> @@ -261,7 +262,7 @@ struct sock { #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; @@ -1191,7 +1192,8 @@ 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)); } static inline struct dst_entry * @@ -1199,50 +1201,62 @@ 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; + old_dst = rcu_dereference_check(sk->sk_dst_cache, + lockdep_is_held(&sk->sk_dst_lock)); + 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); diff --git a/include/net/tcp.h b/include/net/tcp.h index 75be5a2..70c5159 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -423,7 +423,7 @@ 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, diff --git a/include/net/x25.h b/include/net/x25.h index 9baa07d..468551e 100644 --- a/include/net/x25.h +++ b/include/net/x25.h @@ -10,6 +10,7 @@ #ifndef _X25_H #define _X25_H #include <linux/x25.h> +#include <linux/slab.h> #include <net/sock.h> #define X25_ADDR_LEN 16 @@ -182,6 +183,10 @@ extern int sysctl_x25_clear_request_timeout; extern int sysctl_x25_ack_holdback_timeout; extern int sysctl_x25_forward; +extern int x25_parse_address_block(struct sk_buff *skb, + struct x25_address *called_addr, + struct x25_address *calling_addr); + extern int x25_addr_ntoa(unsigned char *, struct x25_address *, struct x25_address *); extern int x25_addr_aton(unsigned char *, struct x25_address *, diff --git a/include/net/xfrm.h b/include/net/xfrm.h index d74e080b..1913af6 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -12,6 +12,7 @@ #include <linux/in6.h> #include <linux/mutex.h> #include <linux/audit.h> +#include <linux/slab.h> #include <net/sock.h> #include <net/dst.h> @@ -19,6 +20,7 @@ #include <net/route.h> #include <net/ipv6.h> #include <net/ip6_fib.h> +#include <net/flow.h> #include <linux/interrupt.h> @@ -266,7 +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); @@ -481,13 +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; @@ -734,19 +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 *); @@ -877,11 +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; @@ -891,6 +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); |