net-caif: add CAIF socket and configuration headers (f671c542) · Commits · e / devices / android_kernel_fairphone_FP4

include/linux/caif/caif_socket.h

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		/* linux/caif_socket.h
		* CAIF Definitions for CAIF socket and network layer
		* Copyright (C) ST-Ericsson AB 2010
		* Author: Sjur Brendeland/ sjur.brandeland@stericsson.com
		* License terms: GNU General Public License (GPL) version 2
		*/

		#ifndef _LINUX_CAIF_SOCKET_H
		#define _LINUX_CAIF_SOCKET_H

		#include <linux/types.h>

		#ifdef __KERNEL__
		#include <linux/socket.h>
		#else
		#include <sys/socket.h>
		#endif


		/**
		* 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
		*
		* 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_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
		};

		/**
		* struct sockaddr_caif - the sockaddr structure for CAIF sockets.
		* @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.
		*
		* 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 {
		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 */
		} 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
		*
		*/
		enum caif_socket_opts {
		CAIFSO_LINK_SELECT = 127,
		CAIFSO_REQ_PARAM = 128,
		CAIFSO_RSP_PARAM = 129,
		};

		#endif /* _LINUX_CAIF_SOCKET_H */

include/linux/caif/if_caif.h

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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 IF_CAIF_H_
		#define IF_CAIF_H_
		#include <linux/sockios.h>
		#include <linux/types.h>
		#include <linux/socket.h>

		/**
		* enum ifla_caif - CAIF NetlinkRT parameters.
		* @IFLA_CAIF_IPV4_CONNID: Connection ID for IPv4 PDP Context.
		* The type of attribute is NLA_U32.
		* @IFLA_CAIF_IPV6_CONNID: Connection ID for IPv6 PDP Context.
		* The type of attribute is NLA_U32.
		* @IFLA_CAIF_LOOPBACK: If different from zero, device is doing loopback
		* The type of attribute is NLA_U8.
		*
		* When using RT Netlink to create, destroy or configure a CAIF IP interface,
		* enum ifla_caif is used to specify the configuration attributes.
		*/
		enum ifla_caif {
		__IFLA_CAIF_UNSPEC,
		IFLA_CAIF_IPV4_CONNID,
		IFLA_CAIF_IPV6_CONNID,
		IFLA_CAIF_LOOPBACK,
		__IFLA_CAIF_MAX
		};
		#define IFLA_CAIF_MAX (__IFLA_CAIF_MAX-1)

		#endif /IF_CAIF_H_/