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Edit File : caif_socket.h \| Size : 5.70 KB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note / / linux/caif_socket.h * CAIF Definitions for CAIF socket and network layer * Copyright (C) ST-Ericsson AB 2010 * Author: Sjur Brendeland * License terms: GNU General Public License (GPL) version 2 / #ifndef _LINUX_CAIF_SOCKET_H #define _LINUX_CAIF_SOCKET_H #include <linux/types.h> #include <linux/socket.h> /* * enum caif_link_selector - Physical Link Selection. * @CAIF_LINK_HIGH_BANDW: Physical interface for high-bandwidth * traffic. * @CAIF_LINK_LOW_LATENCY: Physical interface for low-latency * traffic. * * CAIF Link Layers can register their link properties. * This enum is used for choosing between CAIF Link Layers when * setting up CAIF Channels when multiple CAIF Link Layers exists. / enum caif_link_selector { CAIF_LINK_HIGH_BANDW, CAIF_LINK_LOW_LATENCY }; /* * enum caif_channel_priority - CAIF channel priorities. * * @CAIF_PRIO_MIN: Min priority for a channel. * @CAIF_PRIO_LOW: Low-priority channel. * @CAIF_PRIO_NORMAL: Normal/default priority level. * @CAIF_PRIO_HIGH: High priority level * @CAIF_PRIO_MAX: Max priority for channel * * Priority can be set on CAIF Channels in order to * prioritize between traffic on different CAIF Channels. * These priority levels are recommended, but the priority value * is not restricted to the values defined in this enum, any value * between CAIF_PRIO_MIN and CAIF_PRIO_MAX could be used. / enum caif_channel_priority { CAIF_PRIO_MIN = 0x01, CAIF_PRIO_LOW = 0x04, CAIF_PRIO_NORMAL = 0x0f, CAIF_PRIO_HIGH = 0x14, CAIF_PRIO_MAX = 0x1F }; /* * enum caif_protocol_type - CAIF Channel type. * @CAIFPROTO_AT: Classic AT channel. * @CAIFPROTO_DATAGRAM: Datagram channel. * @CAIFPROTO_DATAGRAM_LOOP: Datagram loopback channel, used for testing. * @CAIFPROTO_UTIL: Utility (Psock) channel. * @CAIFPROTO_RFM: Remote File Manager * @CAIFPROTO_DEBUG: Debug link * * This enum defines the CAIF Channel type to be used. This defines * the service to connect to on the modem. / enum caif_protocol_type { CAIFPROTO_AT, CAIFPROTO_DATAGRAM, CAIFPROTO_DATAGRAM_LOOP, CAIFPROTO_UTIL, CAIFPROTO_RFM, CAIFPROTO_DEBUG, _CAIFPROTO_MAX }; #define CAIFPROTO_MAX _CAIFPROTO_MAX /* * enum caif_at_type - AT Service Endpoint * @CAIF_ATTYPE_PLAIN: Connects to a plain vanilla AT channel. / enum caif_at_type { CAIF_ATTYPE_PLAIN = 2 }; /* * enum caif_debug_type - Content selection for debug connection * @CAIF_DEBUG_TRACE_INTERACTIVE: Connection will contain * both trace and interactive debug. * @CAIF_DEBUG_TRACE: Connection contains trace only. * @CAIF_DEBUG_INTERACTIVE: Connection to interactive debug. / enum caif_debug_type { CAIF_DEBUG_TRACE_INTERACTIVE = 0, CAIF_DEBUG_TRACE, CAIF_DEBUG_INTERACTIVE, }; /* * enum caif_debug_service - Debug Service Endpoint * @CAIF_RADIO_DEBUG_SERVICE: Debug service on the Radio sub-system * @CAIF_APP_DEBUG_SERVICE: Debug for the applications sub-system / enum caif_debug_service { CAIF_RADIO_DEBUG_SERVICE = 1, CAIF_APP_DEBUG_SERVICE }; /* * struct sockaddr_caif - the sockaddr structure for CAIF sockets. * @family: Address family number, must be AF_CAIF. * @u: Union of address data 'switched' by family. * : * @u.at: Applies when family = CAIFPROTO_AT. * * @u.at.type: Type of AT link to set up (enum caif_at_type). * * @u.util: Applies when family = CAIFPROTO_UTIL * * @u.util.service: Utility service name. * * @u.dgm: Applies when family = CAIFPROTO_DATAGRAM * * @u.dgm.connection_id: Datagram connection id. * * @u.dgm.nsapi: NSAPI of the PDP-Context. * * @u.rfm: Applies when family = CAIFPROTO_RFM * * @u.rfm.connection_id: Connection ID for RFM. * * @u.rfm.volume: Volume to mount. * * @u.dbg: Applies when family = CAIFPROTO_DEBUG. * * @u.dbg.type: Type of debug connection to set up * (caif_debug_type). * * @u.dbg.service: Service sub-system to connect (caif_debug_service * Description: * This structure holds the connect parameters used for setting up a * CAIF Channel. It defines the service to connect to on the modem. / struct sockaddr_caif { __kernel_sa_family_t family; union { struct { __u8 type; / type: enum caif_at_type / } at; / CAIFPROTO_AT / struct { char service[16]; } util; / CAIFPROTO_UTIL / union { __u32 connection_id; __u8 nsapi; } dgm; / CAIFPROTO_DATAGRAM(_LOOP)/ struct { __u32 connection_id; char volume[16]; } rfm; / CAIFPROTO_RFM / struct { __u8 type; / type:enum caif_debug_type / __u8 service; / service:caif_debug_service / } dbg; / CAIFPROTO_DEBUG / } u; }; /* * enum caif_socket_opts - CAIF option values for getsockopt and setsockopt. * * @CAIFSO_LINK_SELECT: Selector used if multiple CAIF Link layers are * available. Either a high bandwidth * link can be selected (CAIF_LINK_HIGH_BANDW) or * or a low latency link (CAIF_LINK_LOW_LATENCY). * This option is of type __u32. * Alternatively SO_BINDTODEVICE can be used. * * @CAIFSO_REQ_PARAM: Used to set the request parameters for a * utility channel. (maximum 256 bytes). This * option must be set before connecting. * * @CAIFSO_RSP_PARAM: Gets the response parameters for a utility * channel. (maximum 256 bytes). This option * is valid after a successful connect. * * * This enum defines the CAIF Socket options to be used on a socket * of type PF_CAIF. * / enum caif_socket_opts { CAIFSO_LINK_SELECT = 127, CAIFSO_REQ_PARAM = 128, CAIFSO_RSP_PARAM = 129, }; #endif / _LINUX_CAIF_SOCKET_H */ Back

Edit File : caif_socket.h | Size : 5.70 KB

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* linux/caif_socket.h
 * CAIF Definitions for CAIF socket and network layer
 * Copyright (C) ST-Ericsson AB 2010
 * Author:	 Sjur Brendeland
 * License terms: GNU General Public License (GPL) version 2
 */

#ifndef _LINUX_CAIF_SOCKET_H
#define _LINUX_CAIF_SOCKET_H

#include <linux/types.h>
#include <linux/socket.h>

/**
 * enum caif_link_selector -    Physical Link Selection.
 * @CAIF_LINK_HIGH_BANDW:	Physical interface for high-bandwidth
 *				traffic.
 * @CAIF_LINK_LOW_LATENCY:	Physical interface for low-latency
 *				traffic.
 *
 * CAIF Link Layers can register their link properties.
 * This enum is used for choosing between CAIF Link Layers when
 * setting up CAIF Channels when multiple CAIF Link Layers exists.
 */
enum caif_link_selector {
	CAIF_LINK_HIGH_BANDW,
	CAIF_LINK_LOW_LATENCY
};

/**
 * enum caif_channel_priority - CAIF channel priorities.
 *
 * @CAIF_PRIO_MIN:	Min priority for a channel.
 * @CAIF_PRIO_LOW:	Low-priority channel.
 * @CAIF_PRIO_NORMAL:	Normal/default priority level.
 * @CAIF_PRIO_HIGH:	High priority level
 * @CAIF_PRIO_MAX:	Max priority for channel
 *
 * Priority can be set on CAIF Channels in order to
 * prioritize between traffic on different CAIF Channels.
 * These priority levels are recommended, but the priority value
 * is not restricted to the values defined in this enum, any value
 * between CAIF_PRIO_MIN and CAIF_PRIO_MAX could be used.
 */
enum caif_channel_priority {
	CAIF_PRIO_MIN	 = 0x01,
	CAIF_PRIO_LOW	 = 0x04,
	CAIF_PRIO_NORMAL = 0x0f,
	CAIF_PRIO_HIGH	 = 0x14,
	CAIF_PRIO_MAX	 = 0x1F
};

/**
 * enum caif_protocol_type  -	CAIF Channel type.
 * @CAIFPROTO_AT:		Classic AT channel.
 * @CAIFPROTO_DATAGRAM:	Datagram channel.
 * @CAIFPROTO_DATAGRAM_LOOP:	Datagram loopback channel, used for testing.
 * @CAIFPROTO_UTIL:		Utility (Psock) channel.
 * @CAIFPROTO_RFM:		Remote File Manager
 * @CAIFPROTO_DEBUG:		Debug link
 *
 * This enum defines the CAIF Channel type to be used. This defines
 * the service to connect to on the modem.
 */
enum caif_protocol_type {
	CAIFPROTO_AT,
	CAIFPROTO_DATAGRAM,
	CAIFPROTO_DATAGRAM_LOOP,
	CAIFPROTO_UTIL,
	CAIFPROTO_RFM,
	CAIFPROTO_DEBUG,
	_CAIFPROTO_MAX
};
#define	CAIFPROTO_MAX _CAIFPROTO_MAX

/**
 * enum caif_at_type - AT Service Endpoint
 * @CAIF_ATTYPE_PLAIN:	     Connects to a plain vanilla AT channel.
 */
enum caif_at_type {
	CAIF_ATTYPE_PLAIN = 2
};
 /**
 * enum caif_debug_type - Content selection for debug connection
 * @CAIF_DEBUG_TRACE_INTERACTIVE: Connection will contain
 *				both trace and interactive debug.
 * @CAIF_DEBUG_TRACE:		Connection contains trace only.
 * @CAIF_DEBUG_INTERACTIVE:	Connection to interactive debug.
 */
enum caif_debug_type {
	CAIF_DEBUG_TRACE_INTERACTIVE = 0,
	CAIF_DEBUG_TRACE,
	CAIF_DEBUG_INTERACTIVE,
};

/**
 * enum caif_debug_service - Debug Service Endpoint
 * @CAIF_RADIO_DEBUG_SERVICE:	Debug service on the Radio sub-system
 * @CAIF_APP_DEBUG_SERVICE:	Debug for the applications sub-system
 */
enum caif_debug_service {
	CAIF_RADIO_DEBUG_SERVICE = 1,
	CAIF_APP_DEBUG_SERVICE
};

/**
 * struct sockaddr_caif - the sockaddr structure for CAIF sockets.
 * @family:		     Address family number, must be AF_CAIF.
 * @u:			     Union of address data 'switched' by family.
 * :
 * @u.at:                    Applies when family = CAIFPROTO_AT.
 *
 * @u.at.type:               Type of AT link to set up (enum caif_at_type).
 *
 * @u.util:                  Applies when family = CAIFPROTO_UTIL
 *
 * @u.util.service:          Utility service name.
 *
 * @u.dgm:                   Applies when family = CAIFPROTO_DATAGRAM
 *
 * @u.dgm.connection_id:     Datagram connection id.
 *
 * @u.dgm.nsapi:             NSAPI of the PDP-Context.
 *
 * @u.rfm:                   Applies when family = CAIFPROTO_RFM
 *
 * @u.rfm.connection_id:     Connection ID for RFM.
 *
 * @u.rfm.volume:            Volume to mount.
 *
 * @u.dbg:		      Applies when family = CAIFPROTO_DEBUG.
 *
 * @u.dbg.type:			     Type of debug connection to set up
 *			      (caif_debug_type).
 *
 * @u.dbg.service:	      Service sub-system to connect (caif_debug_service
 * Description:
 * This structure holds the connect parameters used for setting up a
 * CAIF Channel. It defines the service to connect to on the modem.
 */
struct sockaddr_caif {
	__kernel_sa_family_t  family;
	union {
		struct {
			__u8  type;		/* type: enum caif_at_type */
		} at;				/* CAIFPROTO_AT */
		struct {
			char	  service[16];
		} util;				/* CAIFPROTO_UTIL */
		union {
			__u32 connection_id;
			__u8  nsapi;
		} dgm;				/* CAIFPROTO_DATAGRAM(_LOOP)*/
		struct {
			__u32 connection_id;
			char	  volume[16];
		} rfm;				/* CAIFPROTO_RFM */
		struct {
			__u8  type;		/* type:enum caif_debug_type */
			__u8  service;		/* service:caif_debug_service */
		} dbg;				/* CAIFPROTO_DEBUG */
	} u;
};

/**
 * enum caif_socket_opts - CAIF option values for getsockopt and setsockopt.
 *
 * @CAIFSO_LINK_SELECT:		Selector used if multiple CAIF Link layers are
 *				available. Either a high bandwidth
 *				link can be selected (CAIF_LINK_HIGH_BANDW) or
 *				or a low latency link (CAIF_LINK_LOW_LATENCY).
 *                              This option is of type __u32.
 *				Alternatively SO_BINDTODEVICE can be used.
 *
 * @CAIFSO_REQ_PARAM:		Used to set the request parameters for a
 *				utility channel. (maximum 256 bytes). This
 *				option must be set before connecting.
 *
 * @CAIFSO_RSP_PARAM:		Gets the response parameters for a utility
 *				channel. (maximum 256 bytes). This option
 *				is valid after a successful connect.
 *
 *
 * This enum defines the CAIF Socket options to be used on a socket
 * of type PF_CAIF.
 *
 */
enum caif_socket_opts {
	CAIFSO_LINK_SELECT	= 127,
	CAIFSO_REQ_PARAM	= 128,
	CAIFSO_RSP_PARAM	= 129,
};

#endif /* _LINUX_CAIF_SOCKET_H */

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