582 lines
16 KiB
C
582 lines
16 KiB
C
/*
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* Intel Wireless WiMax Connection 2400m
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* Host-Device protocol interface definitions
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*
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*
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* Copyright (C) 2007-2008 Intel Corporation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*
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* Intel Corporation <linux-wimax@intel.com>
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* Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
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* - Initial implementation
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*
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*
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* This header defines the data structures and constants used to
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* communicate with the device.
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*
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* BOOTMODE/BOOTROM/FIRMWARE UPLOAD PROTOCOL
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*
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* The firmware upload protocol is quite simple and only requires a
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* handful of commands. See drivers/net/wimax/i2400m/fw.c for more
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* details.
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*
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* The BCF data structure is for the firmware file header.
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*
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*
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* THE DATA / CONTROL PROTOCOL
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*
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* This is the normal protocol spoken with the device once the
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* firmware is uploaded. It transports data payloads and control
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* messages back and forth.
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*
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* It consists 'messages' that pack one or more payloads each. The
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* format is described in detail in drivers/net/wimax/i2400m/rx.c and
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* tx.c.
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*
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*
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* THE L3L4 PROTOCOL
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*
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* The term L3L4 refers to Layer 3 (the device), Layer 4 (the
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* driver/host software).
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*
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* This is the control protocol used by the host to control the i2400m
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* device (scan, connect, disconnect...). This is sent to / received
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* as control frames. These frames consist of a header and zero or
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* more TLVs with information. We call each control frame a "message".
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*
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* Each message is composed of:
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*
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* HEADER
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* [TLV0 + PAYLOAD0]
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* [TLV1 + PAYLOAD1]
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* [...]
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* [TLVN + PAYLOADN]
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*
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* The HEADER is defined by 'struct i2400m_l3l4_hdr'. The payloads are
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* defined by a TLV structure (Type Length Value) which is a 'header'
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* (struct i2400m_tlv_hdr) and then the payload.
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*
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* All integers are represented as Little Endian.
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*
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* - REQUESTS AND EVENTS
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*
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* The requests can be clasified as follows:
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*
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* COMMAND: implies a request from the host to the device requesting
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* an action being performed. The device will reply with a
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* message (with the same type as the command), status and
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* no (TLV) payload. Execution of a command might cause
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* events (of different type) to be sent later on as
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* device's state changes.
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*
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* GET/SET: similar to COMMAND, but will not cause other
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* EVENTs. The reply, in the case of GET, will contain
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* TLVs with the requested information.
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*
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* EVENT: asynchronous messages sent from the device, maybe as a
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* consequence of previous COMMANDs but disassociated from
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* them.
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*
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* Only one request might be pending at the same time (ie: don't
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* parallelize nor post another GET request before the previous
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* COMMAND has been acknowledged with it's corresponding reply by the
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* device).
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*
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* The different requests and their formats are described below:
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*
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* I2400M_MT_* Message types
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* I2400M_MS_* Message status (for replies, events)
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* i2400m_tlv_* TLVs
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*
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* data types are named 'struct i2400m_msg_OPNAME', OPNAME matching the
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* operation.
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*/
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#ifndef __LINUX__WIMAX__I2400M_H__
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#define __LINUX__WIMAX__I2400M_H__
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#include <linux/types.h>
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/*
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* Host Device Interface (HDI) common to all busses
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*/
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/* Boot-mode (firmware upload mode) commands */
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/* Header for the firmware file */
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struct i2400m_bcf_hdr {
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__le32 module_type;
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__le32 header_len;
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__le32 header_version;
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__le32 module_id;
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__le32 module_vendor;
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__le32 date; /* BCD YYYMMDD */
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__le32 size;
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__le32 key_size; /* in dwords */
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__le32 modulus_size; /* in dwords */
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__le32 exponent_size; /* in dwords */
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__u8 reserved[88];
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} __attribute__ ((packed));
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/* Boot mode opcodes */
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enum i2400m_brh_opcode {
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I2400M_BRH_READ = 1,
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I2400M_BRH_WRITE = 2,
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I2400M_BRH_JUMP = 3,
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I2400M_BRH_SIGNED_JUMP = 8,
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I2400M_BRH_HASH_PAYLOAD_ONLY = 9,
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};
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/* Boot mode command masks and stuff */
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enum i2400m_brh {
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I2400M_BRH_SIGNATURE = 0xcbbc0000,
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I2400M_BRH_SIGNATURE_MASK = 0xffff0000,
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I2400M_BRH_SIGNATURE_SHIFT = 16,
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I2400M_BRH_OPCODE_MASK = 0x0000000f,
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I2400M_BRH_RESPONSE_MASK = 0x000000f0,
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I2400M_BRH_RESPONSE_SHIFT = 4,
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I2400M_BRH_DIRECT_ACCESS = 0x00000400,
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I2400M_BRH_RESPONSE_REQUIRED = 0x00000200,
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I2400M_BRH_USE_CHECKSUM = 0x00000100,
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};
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/* Constants for bcf->module_id */
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enum i2400m_bcf_mod_id {
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/* Firmware file carries its own pokes -- pokes are a set of
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* magical values that have to be written in certain memory
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* addresses to get the device up and ready for firmware
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* download when it is in non-signed boot mode. */
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I2400M_BCF_MOD_ID_POKES = 0x000000001,
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};
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/**
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* i2400m_bootrom_header - Header for a boot-mode command
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*
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* @cmd: the above command descriptor
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* @target_addr: where on the device memory should the action be performed.
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* @data_size: for read/write, amount of data to be read/written
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* @block_checksum: checksum value (if applicable)
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* @payload: the beginning of data attached to this header
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*/
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struct i2400m_bootrom_header {
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__le32 command; /* Compose with enum i2400_brh */
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__le32 target_addr;
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__le32 data_size;
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__le32 block_checksum;
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char payload[0];
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} __attribute__ ((packed));
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/*
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* Data / control protocol
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*/
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/* Packet types for the host-device interface */
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enum i2400m_pt {
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I2400M_PT_DATA = 0,
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I2400M_PT_CTRL,
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I2400M_PT_TRACE, /* For device debug */
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I2400M_PT_RESET_WARM, /* device reset */
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I2400M_PT_RESET_COLD, /* USB[transport] reset, like reconnect */
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I2400M_PT_EDATA, /* Extended RX data */
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I2400M_PT_ILLEGAL
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};
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/*
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* Payload for a data packet
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*
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* This is prefixed to each and every outgoing DATA type.
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*/
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struct i2400m_pl_data_hdr {
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__le32 reserved;
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} __attribute__((packed));
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/*
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* Payload for an extended data packet
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*
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* New in fw v1.4
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*
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* @reorder: if this payload has to be reorder or not (and how)
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* @cs: the type of data in the packet, as defined per (802.16e
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* T11.13.19.1). Currently only 2 (IPv4 packet) supported.
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*
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* This is prefixed to each and every INCOMING DATA packet.
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*/
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struct i2400m_pl_edata_hdr {
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__le32 reorder; /* bits defined in i2400m_ro */
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__u8 cs;
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__u8 reserved[11];
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} __attribute__((packed));
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enum i2400m_cs {
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I2400M_CS_IPV4_0 = 0,
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I2400M_CS_IPV4 = 2,
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};
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enum i2400m_ro {
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I2400M_RO_NEEDED = 0x01,
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I2400M_RO_TYPE = 0x03,
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I2400M_RO_TYPE_SHIFT = 1,
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I2400M_RO_CIN = 0x0f,
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I2400M_RO_CIN_SHIFT = 4,
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I2400M_RO_FBN = 0x07ff,
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I2400M_RO_FBN_SHIFT = 8,
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I2400M_RO_SN = 0x07ff,
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I2400M_RO_SN_SHIFT = 21,
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};
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enum i2400m_ro_type {
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I2400M_RO_TYPE_RESET = 0,
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I2400M_RO_TYPE_PACKET,
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I2400M_RO_TYPE_WS,
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I2400M_RO_TYPE_PACKET_WS,
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};
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/* Misc constants */
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enum {
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I2400M_PL_ALIGN = 16, /* Payload data size alignment */
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I2400M_PL_SIZE_MAX = 0x3EFF,
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I2400M_MAX_PLS_IN_MSG = 60,
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/* protocol barkers: sync sequences; for notifications they
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* are sent in groups of four. */
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I2400M_H2D_PREVIEW_BARKER = 0xcafe900d,
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I2400M_COLD_RESET_BARKER = 0xc01dc01d,
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I2400M_WARM_RESET_BARKER = 0x50f750f7,
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I2400M_NBOOT_BARKER = 0xdeadbeef,
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I2400M_SBOOT_BARKER = 0x0ff1c1a1,
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I2400M_ACK_BARKER = 0xfeedbabe,
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I2400M_D2H_MSG_BARKER = 0xbeefbabe,
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};
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/*
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* Hardware payload descriptor
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*
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* Bitfields encoded in a struct to enforce typing semantics.
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*
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* Look in rx.c and tx.c for a full description of the format.
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*/
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struct i2400m_pld {
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__le32 val;
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} __attribute__ ((packed));
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#define I2400M_PLD_SIZE_MASK 0x00003fff
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#define I2400M_PLD_TYPE_SHIFT 16
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#define I2400M_PLD_TYPE_MASK 0x000f0000
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/*
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* Header for a TX message or RX message
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*
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* @barker: preamble
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* @size: used for management of the FIFO queue buffer; before
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* sending, this is converted to be a real preamble. This
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* indicates the real size of the TX message that starts at this
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* point. If the highest bit is set, then this message is to be
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* skipped.
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* @sequence: sequence number of this message
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* @offset: offset where the message itself starts -- see the comments
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* in the file header about message header and payload descriptor
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* alignment.
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* @num_pls: number of payloads in this message
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* @padding: amount of padding bytes at the end of the message to make
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* it be of block-size aligned
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*
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* Look in rx.c and tx.c for a full description of the format.
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*/
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struct i2400m_msg_hdr {
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union {
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__le32 barker;
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__u32 size; /* same size type as barker!! */
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};
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union {
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__le32 sequence;
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__u32 offset; /* same size type as barker!! */
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};
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__le16 num_pls;
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__le16 rsv1;
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__le16 padding;
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__le16 rsv2;
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struct i2400m_pld pld[0];
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} __attribute__ ((packed));
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/*
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* L3/L4 control protocol
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*/
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enum {
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/* Interface version */
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I2400M_L3L4_VERSION = 0x0100,
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};
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/* Message types */
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enum i2400m_mt {
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I2400M_MT_RESERVED = 0x0000,
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I2400M_MT_INVALID = 0xffff,
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I2400M_MT_REPORT_MASK = 0x8000,
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I2400M_MT_GET_SCAN_RESULT = 0x4202,
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I2400M_MT_SET_SCAN_PARAM = 0x4402,
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I2400M_MT_CMD_RF_CONTROL = 0x4602,
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I2400M_MT_CMD_SCAN = 0x4603,
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I2400M_MT_CMD_CONNECT = 0x4604,
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I2400M_MT_CMD_DISCONNECT = 0x4605,
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I2400M_MT_CMD_EXIT_IDLE = 0x4606,
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I2400M_MT_GET_LM_VERSION = 0x5201,
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I2400M_MT_GET_DEVICE_INFO = 0x5202,
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I2400M_MT_GET_LINK_STATUS = 0x5203,
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I2400M_MT_GET_STATISTICS = 0x5204,
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I2400M_MT_GET_STATE = 0x5205,
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I2400M_MT_GET_MEDIA_STATUS = 0x5206,
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I2400M_MT_SET_INIT_CONFIG = 0x5404,
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I2400M_MT_CMD_INIT = 0x5601,
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I2400M_MT_CMD_TERMINATE = 0x5602,
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I2400M_MT_CMD_MODE_OF_OP = 0x5603,
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I2400M_MT_CMD_RESET_DEVICE = 0x5604,
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I2400M_MT_CMD_MONITOR_CONTROL = 0x5605,
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I2400M_MT_CMD_ENTER_POWERSAVE = 0x5606,
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I2400M_MT_GET_TLS_OPERATION_RESULT = 0x6201,
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I2400M_MT_SET_EAP_SUCCESS = 0x6402,
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I2400M_MT_SET_EAP_FAIL = 0x6403,
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I2400M_MT_SET_EAP_KEY = 0x6404,
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I2400M_MT_CMD_SEND_EAP_RESPONSE = 0x6602,
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I2400M_MT_REPORT_SCAN_RESULT = 0xc002,
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I2400M_MT_REPORT_STATE = 0xd002,
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I2400M_MT_REPORT_POWERSAVE_READY = 0xd005,
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I2400M_MT_REPORT_EAP_REQUEST = 0xe002,
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I2400M_MT_REPORT_EAP_RESTART = 0xe003,
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I2400M_MT_REPORT_ALT_ACCEPT = 0xe004,
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I2400M_MT_REPORT_KEY_REQUEST = 0xe005,
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};
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/*
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* Message Ack Status codes
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*
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* When a message is replied-to, this status is reported.
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*/
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enum i2400m_ms {
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I2400M_MS_DONE_OK = 0,
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I2400M_MS_DONE_IN_PROGRESS = 1,
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I2400M_MS_INVALID_OP = 2,
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I2400M_MS_BAD_STATE = 3,
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I2400M_MS_ILLEGAL_VALUE = 4,
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I2400M_MS_MISSING_PARAMS = 5,
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I2400M_MS_VERSION_ERROR = 6,
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I2400M_MS_ACCESSIBILITY_ERROR = 7,
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I2400M_MS_BUSY = 8,
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I2400M_MS_CORRUPTED_TLV = 9,
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I2400M_MS_UNINITIALIZED = 10,
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I2400M_MS_UNKNOWN_ERROR = 11,
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I2400M_MS_PRODUCTION_ERROR = 12,
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I2400M_MS_NO_RF = 13,
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I2400M_MS_NOT_READY_FOR_POWERSAVE = 14,
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I2400M_MS_THERMAL_CRITICAL = 15,
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I2400M_MS_MAX
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};
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/**
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* i2400m_tlv - enumeration of the different types of TLVs
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*
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* TLVs stand for type-length-value and are the header for a payload
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* composed of almost anything. Each payload has a type assigned
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* and a length.
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*/
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enum i2400m_tlv {
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I2400M_TLV_L4_MESSAGE_VERSIONS = 129,
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I2400M_TLV_SYSTEM_STATE = 141,
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I2400M_TLV_MEDIA_STATUS = 161,
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I2400M_TLV_RF_OPERATION = 162,
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I2400M_TLV_RF_STATUS = 163,
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I2400M_TLV_DEVICE_RESET_TYPE = 132,
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I2400M_TLV_CONFIG_IDLE_PARAMETERS = 601,
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I2400M_TLV_CONFIG_IDLE_TIMEOUT = 611,
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I2400M_TLV_CONFIG_D2H_DATA_FORMAT = 614,
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I2400M_TLV_CONFIG_DL_HOST_REORDER = 615,
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};
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struct i2400m_tlv_hdr {
|
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__le16 type;
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__le16 length; /* payload's */
|
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__u8 pl[0];
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} __attribute__((packed));
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struct i2400m_l3l4_hdr {
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__le16 type;
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__le16 length; /* payload's */
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__le16 version;
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__le16 resv1;
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__le16 status;
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__le16 resv2;
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struct i2400m_tlv_hdr pl[0];
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} __attribute__((packed));
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/**
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* i2400m_system_state - different states of the device
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*/
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enum i2400m_system_state {
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I2400M_SS_UNINITIALIZED = 1,
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I2400M_SS_INIT,
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I2400M_SS_READY,
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I2400M_SS_SCAN,
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I2400M_SS_STANDBY,
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I2400M_SS_CONNECTING,
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I2400M_SS_WIMAX_CONNECTED,
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I2400M_SS_DATA_PATH_CONNECTED,
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I2400M_SS_IDLE,
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I2400M_SS_DISCONNECTING,
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I2400M_SS_OUT_OF_ZONE,
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I2400M_SS_SLEEPACTIVE,
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I2400M_SS_PRODUCTION,
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I2400M_SS_CONFIG,
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I2400M_SS_RF_OFF,
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I2400M_SS_RF_SHUTDOWN,
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I2400M_SS_DEVICE_DISCONNECT,
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|
I2400M_SS_MAX,
|
|
};
|
|
|
|
|
|
/**
|
|
* i2400m_tlv_system_state - report on the state of the system
|
|
*
|
|
* @state: see enum i2400m_system_state
|
|
*/
|
|
struct i2400m_tlv_system_state {
|
|
struct i2400m_tlv_hdr hdr;
|
|
__le32 state;
|
|
} __attribute__((packed));
|
|
|
|
|
|
struct i2400m_tlv_l4_message_versions {
|
|
struct i2400m_tlv_hdr hdr;
|
|
__le16 major;
|
|
__le16 minor;
|
|
__le16 branch;
|
|
__le16 reserved;
|
|
} __attribute__((packed));
|
|
|
|
|
|
struct i2400m_tlv_detailed_device_info {
|
|
struct i2400m_tlv_hdr hdr;
|
|
__u8 reserved1[400];
|
|
__u8 mac_address[6];
|
|
__u8 reserved2[2];
|
|
} __attribute__((packed));
|
|
|
|
|
|
enum i2400m_rf_switch_status {
|
|
I2400M_RF_SWITCH_ON = 1,
|
|
I2400M_RF_SWITCH_OFF = 2,
|
|
};
|
|
|
|
struct i2400m_tlv_rf_switches_status {
|
|
struct i2400m_tlv_hdr hdr;
|
|
__u8 sw_rf_switch; /* 1 ON, 2 OFF */
|
|
__u8 hw_rf_switch; /* 1 ON, 2 OFF */
|
|
__u8 reserved[2];
|
|
} __attribute__((packed));
|
|
|
|
|
|
enum {
|
|
i2400m_rf_operation_on = 1,
|
|
i2400m_rf_operation_off = 2
|
|
};
|
|
|
|
struct i2400m_tlv_rf_operation {
|
|
struct i2400m_tlv_hdr hdr;
|
|
__le32 status; /* 1 ON, 2 OFF */
|
|
} __attribute__((packed));
|
|
|
|
|
|
enum i2400m_tlv_reset_type {
|
|
I2400M_RESET_TYPE_COLD = 1,
|
|
I2400M_RESET_TYPE_WARM
|
|
};
|
|
|
|
struct i2400m_tlv_device_reset_type {
|
|
struct i2400m_tlv_hdr hdr;
|
|
__le32 reset_type;
|
|
} __attribute__((packed));
|
|
|
|
|
|
struct i2400m_tlv_config_idle_parameters {
|
|
struct i2400m_tlv_hdr hdr;
|
|
__le32 idle_timeout; /* 100 to 300000 ms [5min], 100 increments
|
|
* 0 disabled */
|
|
__le32 idle_paging_interval; /* frames */
|
|
} __attribute__((packed));
|
|
|
|
|
|
enum i2400m_media_status {
|
|
I2400M_MEDIA_STATUS_LINK_UP = 1,
|
|
I2400M_MEDIA_STATUS_LINK_DOWN,
|
|
I2400M_MEDIA_STATUS_LINK_RENEW,
|
|
};
|
|
|
|
struct i2400m_tlv_media_status {
|
|
struct i2400m_tlv_hdr hdr;
|
|
__le32 media_status;
|
|
} __attribute__((packed));
|
|
|
|
|
|
/* New in v1.4 */
|
|
struct i2400m_tlv_config_idle_timeout {
|
|
struct i2400m_tlv_hdr hdr;
|
|
__le32 timeout; /* 100 to 300000 ms [5min], 100 increments
|
|
* 0 disabled */
|
|
} __attribute__((packed));
|
|
|
|
/* New in v1.4 -- for backward compat, will be removed */
|
|
struct i2400m_tlv_config_d2h_data_format {
|
|
struct i2400m_tlv_hdr hdr;
|
|
__u8 format; /* 0 old format, 1 enhanced */
|
|
__u8 reserved[3];
|
|
} __attribute__((packed));
|
|
|
|
/* New in v1.4 */
|
|
struct i2400m_tlv_config_dl_host_reorder {
|
|
struct i2400m_tlv_hdr hdr;
|
|
__u8 reorder; /* 0 disabled, 1 enabled */
|
|
__u8 reserved[3];
|
|
} __attribute__((packed));
|
|
|
|
|
|
#endif /* #ifndef __LINUX__WIMAX__I2400M_H__ */
|