/* 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
*/
/** * 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 * 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,
};
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