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/* * 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) * @ifindex:		kernel index of the interface. * @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;	int ifindex;	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. * @ifindex:		Link layer interface index used for this connection. * @headroom:		Head room needed by CAIF protocol. * @tailroom:		Tail room needed by CAIF protocol. * * 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 *conn_req,			struct cflayer *client_layer, int *ifindex,			int *headroom, int *tailroom); /** * 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_ */