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authorSjur Braendeland <sjur.brandeland@stericsson.com>2010-03-30 13:56:20 +0000
committerDavid S. Miller <davem@davemloft.net>2010-03-30 19:08:44 -0700
commitf671c54207d8a47129f35a84569fdfda614d2439 (patch)
treea69b987be7d2465dd0c38061415b648c02d74162 /include/linux
parent70596b612c04694806a31dd389bd796c035085fa (diff)
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net-caif: add CAIF socket and configuration headers
Add CAIF types for Socket Address, Socket Options, and configuration parameters for the GPRS IP network interface. Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/caif/caif_socket.h164
-rw-r--r--include/linux/caif/if_caif.h34
2 files changed, 198 insertions, 0 deletions
diff --git a/include/linux/caif/caif_socket.h b/include/linux/caif/caif_socket.h
new file mode 100644
index 0000000..8e5c844
--- /dev/null
+++ b/include/linux/caif/caif_socket.h
@@ -0,0 +1,164 @@
+/* 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 */
diff --git a/include/linux/caif/if_caif.h b/include/linux/caif/if_caif.h
new file mode 100644
index 0000000..5e7eed4
--- /dev/null
+++ b/include/linux/caif/if_caif.h
@@ -0,0 +1,34 @@
+/*
+ * 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_*/