mirror of git://git.sysmocom.de/ofono
172 lines
4.7 KiB
C
172 lines
4.7 KiB
C
/* linux/caif_socket.h
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* CAIF Definitions for CAIF socket and network layer
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* Copyright (C) ST-Ericsson AB 2009
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* Author: Sjur Brendeland/ sjur.brandeland@stericsson.com
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* License terms: GNU General Public License (GPL) version 2
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*/
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#ifndef _LINUX_CAIF_SOCKET_H
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#define _LINUX_CAIF_SOCKET_H
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#ifdef __KERNEL__
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#include <linux/types.h>
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#include <linux/socket.h>
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#else
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#include <sys/types.h>
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#include <sys/socket.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef AF_CAIF
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#define AF_CAIF 37 /* CAIF Socket Address Family */
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#endif
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#ifndef PF_CAIF
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#define PF_CAIF AF_CAIF /* CAIF Socket Protocol Family */
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#endif
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#ifndef SOL_CAIF
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#define SOL_CAIF 278 /* CAIF Socket Option Level */
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#endif
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/**
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* enum caif_link_selector - Physical Link Selection.
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* @CAIF_LINK_HIGH_BANDW: Default physical interface for high-bandwidth
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* traffic.
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* @CAIF_LINK_LOW_LATENCY: Default physical interface for low-latency
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* traffic.
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*/
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enum caif_link_selector {
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CAIF_LINK_HIGH_BANDW,
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CAIF_LINK_LOW_LATENCY
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};
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/**
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* enum caif_protocol_type - Types of CAIF protocols in the CAIF Stack.
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* @CAIFPROTO_AT: Classic AT channel.
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* @CAIFPROTO_DATAGRAM: Datagram channel.
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* @CAIFPROTO_DATAGRAM_LOOP: Datagram loopback channel, used for testing.
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* @CAIFPROTO_UTIL: Utility (Psock) channel.
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* @CAIFPROTO_RFM: Remote File Manager
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*/
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enum caif_protocol_type {
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CAIFPROTO_AT,
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CAIFPROTO_DATAGRAM,
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CAIFPROTO_DATAGRAM_LOOP,
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CAIFPROTO_UTIL,
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CAIFPROTO_RFM,
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_CAIFPROTO_MAX
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};
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#define CAIFPROTO_MAX _CAIFPROTO_MAX
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/**
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* enum caif_at_type - AT Service Endpoint
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* @CAIF_ATTYPE_PLAIN: Connects to a plain vanilla AT channel.
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*/
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enum caif_at_type {
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CAIF_ATTYPE_PLAIN
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};
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/**
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* struct sockaddr_caif - the sockaddr structure for CAIF sockets.
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* @family: Address family number, must be AF_CAIF.
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* @u: Union of address data 'switched' by familty.
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* @at: Applies when family = CAIFPROTO_AT.
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* @at.type: Type of AT link to set up (enum caif_at_type).
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* @util: Applies when family = CAIFPROTO_UTIL
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* @util.service: Service name.
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* @dgm: Applies when family = CAIFPROTO_DATAGRAM
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* @dgm.connection_id: Datagram connection id.
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* @dgm.nsapi: NSAPI of the PDP-Context.
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* @rfm: Applies when family = CAIFPROTO_RFM
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* @rfm.connection_id: Connection ID for RFM.
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* @rfm.volume: Volume to mount.
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*/
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struct sockaddr_caif {
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sa_family_t family;
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union {
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struct {
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u_int8_t type; /* type: enum caif_at_type */
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} at; /* CAIFPROTO_AT */
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struct {
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char service[16];
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} util; /* CAIFPROTO_UTIL */
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union {
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u_int32_t connection_id;
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u_int8_t nsapi;
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} dgm; /* CAIFPROTO_DATAGRAM(_LOOP)*/
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struct {
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u_int32_t connection_id;
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char volume[16];
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} rfm; /* CAIFPROTO_RFM */
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} u;
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};
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/**
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* struct caif_channel_opt - CAIF channel connect options.
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* @priority: Priority of the channel (between 0 and 0x1f)
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* @link_selector: Selector for the physical link.
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* (see enum caif_phy_preference in caif_config.h)
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* @link_name: Physical link to use. This is the instance name of the
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* CAIF Physical Driver.
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*/
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struct caif_channel_opt {
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u_int16_t priority;
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u_int16_t link_selector;
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char link_name[16];
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};
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/**
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* struct caif_param - CAIF parameters.
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* @size: Length of data
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* @data: Binary Data Blob
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*/
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struct caif_param {
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u_int16_t size;
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u_int8_t data[256];
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};
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/** enum caif_socket_opts - CAIF option values for getsockopt and setsockopt
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* @CAIFSO_CHANNEL: Used to set the connect options on a CAIF
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* socket. (struct caif_config_opt). This can only
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* be set before connecting.
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* @CAIFSO_REQ_PARAM: Used to set the request parameters for a
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* utility channel. (struct caif_param). This
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* can only be set before connecting.
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*
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* @CAIFSO_RSP_PARAM: Gets the request parameters for a utility
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* channel. (struct caif_param). This can only be
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* fetched after connecting the socket.
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*
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* @CAIFSO_UTIL_FLOW: Sets the utility channels flow options.
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* This can only be set before connecting.
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* (struct caif_util_modem_flow_opt)
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*
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* @CAIFSO_CONN_ID: Gets the channel id on a CAIF Channel.
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* This can only be done after connect.
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* ( u_int32_t)
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*
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* @CAIFSO_NEXT_PAKCET_LEN: Gets the size of next received packet.
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* Value is 0 if no packet is available.
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* This can only be done after connect.
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* ( u_int32_t)
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*
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* @CAIFSO_MAX_PAKCET_LEN: Gets the maximum packet size for this
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* connection. ( u_int32_t)
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*/
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enum caif_socket_opts {
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CAIFSO_CHANNEL_CONFIG = 127,
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CAIFSO_REQ_PARAM = 128,
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CAIFSO_RSP_PARAM = 129,
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CAIFSO_UTIL_FLOW = 130,
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CAIFSO_CONN_ID = 131,
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CAIFSO_NEXT_PACKET_LEN = 132,
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CAIFSO_MAX_PACKET_LEN = 133,
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};
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* _LINUX_CAIF_SOCKET_H */
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