linux/drivers/net/wimax/i2400m/i2400m.h
Inaky Perez-Gonzalez 494ef10eba wimax/i2400m: driver loads firmware v1.4 instead of v1.3
This is a one liner change to have the driver use by default the v1.4
of the i2400m firmware instead of v1.3. The v1.4 version of the
firmware has been submitted to David Woodhouse for inclusion in the
linux-firmware tree and it is already available at
http://linuxwimax.org/Download.

The reason for this change is that the 1.3 release of the user space
software and firmware has a few issues that will make it difficult to
use with currently deployed commercial networks such as Xohm and
Clearwire.

As well, the new 1.4 release of the user space software (which matches
the 1.4 firmware) has intermitent issues with the 1.3 firmware.

The 1.4 release in http://linuxwimax.org/Download has been widely
deployed and tested with the codebase in 2.6.29-rc, the 1.4 firmware
and the 1.4 user space components.

We understand it is quite late in the rc process for such a change,
but would like to ask for the change to be taken into consideration.

Alternatively, a user could always force feed a 1.4 firmware into a
driver that doesn't have this modification by:

$ cd /lib/firmware
$ mv i2400m-fw-usb-1.3.sbcf i2400m-fw-usb-1.3.real.sbcf
$ ln -sf i2400m-fw-usb-1.4.sbc i2400m-fw-usb-1.3.sbcf

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-20 00:35:04 -08:00

755 lines
24 KiB
C

/*
* Intel Wireless WiMAX Connection 2400m
* Declarations for bus-generic internal APIs
*
*
* Copyright (C) 2007-2008 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* Intel Corporation <linux-wimax@intel.com>
* Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
* Yanir Lubetkin <yanirx.lubetkin@intel.com>
* - Initial implementation
*
*
* GENERAL DRIVER ARCHITECTURE
*
* The i2400m driver is split in the following two major parts:
*
* - bus specific driver
* - bus generic driver (this part)
*
* The bus specific driver sets up stuff specific to the bus the
* device is connected to (USB, SDIO, PCI, tam-tam...non-authoritative
* nor binding list) which is basically the device-model management
* (probe/disconnect, etc), moving data from device to kernel and
* back, doing the power saving details and reseting the device.
*
* For details on each bus-specific driver, see it's include file,
* i2400m-BUSNAME.h
*
* The bus-generic functionality break up is:
*
* - Firmware upload: fw.c - takes care of uploading firmware to the
* device. bus-specific driver just needs to provides a way to
* execute boot-mode commands and to reset the device.
*
* - RX handling: rx.c - receives data from the bus-specific code and
* feeds it to the network or WiMAX stack or uses it to modify
* the driver state. bus-specific driver only has to receive
* frames and pass them to this module.
*
* - TX handling: tx.c - manages the TX FIFO queue and provides means
* for the bus-specific TX code to pull data from the FIFO
* queue. bus-specific code just pulls frames from this module
* to sends them to the device.
*
* - netdev glue: netdev.c - interface with Linux networking
* stack. Pass around data frames, and configure when the
* device is up and running or shutdown (through ifconfig up /
* down). Bus-generic only.
*
* - control ops: control.c - implements various commmands for
* controlling the device. bus-generic only.
*
* - device model glue: driver.c - implements helpers for the
* device-model glue done by the bus-specific layer
* (setup/release the driver resources), turning the device on
* and off, handling the device reboots/resets and a few simple
* WiMAX stack ops.
*
* Code is also broken up in linux-glue / device-glue.
*
* Linux glue contains functions that deal mostly with gluing with the
* rest of the Linux kernel.
*
* Device-glue are functions that deal mostly with the way the device
* does things and talk the device's language.
*
* device-glue code is licensed BSD so other open source OSes can take
* it to implement their drivers.
*
*
* APIs AND HEADER FILES
*
* This bus generic code exports three APIs:
*
* - HDI (host-device interface) definitions common to all busses
* (include/linux/wimax/i2400m.h); these can be also used by user
* space code.
* - internal API for the bus-generic code
* - external API for the bus-specific drivers
*
*
* LIFE CYCLE:
*
* When the bus-specific driver probes, it allocates a network device
* with enough space for it's data structue, that must contain a
* &struct i2400m at the top.
*
* On probe, it needs to fill the i2400m members marked as [fill], as
* well as i2400m->wimax_dev.net_dev and call i2400m_setup(). The
* i2400m driver will only register with the WiMAX and network stacks;
* the only access done to the device is to read the MAC address so we
* can register a network device. This calls i2400m_dev_start() to
* load firmware, setup communication with the device and configure it
* for operation.
*
* At this point, control and data communications are possible.
*
* On disconnect/driver unload, the bus-specific disconnect function
* calls i2400m_release() to undo i2400m_setup(). i2400m_dev_stop()
* shuts the firmware down and releases resources uses to communicate
* with the device.
*
* While the device is up, it might reset. The bus-specific driver has
* to catch that situation and call i2400m_dev_reset_handle() to deal
* with it (reset the internal driver structures and go back to square
* one).
*/
#ifndef __I2400M_H__
#define __I2400M_H__
#include <linux/usb.h>
#include <linux/netdevice.h>
#include <linux/completion.h>
#include <linux/rwsem.h>
#include <asm/atomic.h>
#include <net/wimax.h>
#include <linux/wimax/i2400m.h>
#include <asm/byteorder.h>
/* Misc constants */
enum {
/* Firmware uploading */
I2400M_BOOT_RETRIES = 3,
/* Size of the Boot Mode Command buffer */
I2400M_BM_CMD_BUF_SIZE = 16 * 1024,
I2400M_BM_ACK_BUF_SIZE = 256,
};
/* Firmware version we request when pulling the fw image file */
#define I2400M_FW_VERSION "1.4"
/**
* i2400m_reset_type - methods to reset a device
*
* @I2400M_RT_WARM: Reset without device disconnection, device handles
* are kept valid but state is back to power on, with firmware
* re-uploaded.
* @I2400M_RT_COLD: Tell the device to disconnect itself from the bus
* and reconnect. Renders all device handles invalid.
* @I2400M_RT_BUS: Tells the bus to reset the device; last measure
* used when both types above don't work.
*/
enum i2400m_reset_type {
I2400M_RT_WARM, /* first measure */
I2400M_RT_COLD, /* second measure */
I2400M_RT_BUS, /* call in artillery */
};
struct i2400m_reset_ctx;
/**
* struct i2400m - descriptor for an Intel 2400m
*
* Members marked with [fill] must be filled out/initialized before
* calling i2400m_setup().
*
* @bus_tx_block_size: [fill] SDIO imposes a 256 block size, USB 16,
* so we have a tx_blk_size variable that the bus layer sets to
* tell the engine how much of that we need.
*
* @bus_pl_size_max: [fill] Maximum payload size.
*
* @bus_dev_start: [fill] Function called by the bus-generic code
* [i2400m_dev_start()] to setup the bus-specific communications
* to the the device. See LIFE CYCLE above.
*
* NOTE: Doesn't need to upload the firmware, as that is taken
* care of by the bus-generic code.
*
* @bus_dev_stop: [fill] Function called by the bus-generic code
* [i2400m_dev_stop()] to shutdown the bus-specific communications
* to the the device. See LIFE CYCLE above.
*
* This function does not need to reset the device, just tear down
* all the host resources created to handle communication with
* the device.
*
* @bus_tx_kick: [fill] Function called by the bus-generic code to let
* the bus-specific code know that there is data available in the
* TX FIFO for transmission to the device.
*
* This function cannot sleep.
*
* @bus_reset: [fill] Function called by the bus-generic code to reset
* the device in in various ways. Doesn't need to wait for the
* reset to finish.
*
* If warm or cold reset fail, this function is expected to do a
* bus-specific reset (eg: USB reset) to get the device to a
* working state (even if it implies device disconecction).
*
* Note the warm reset is used by the firmware uploader to
* reinitialize the device.
*
* IMPORTANT: this is called very early in the device setup
* process, so it cannot rely on common infrastructure being laid
* out.
*
* @bus_bm_cmd_send: [fill] Function called to send a boot-mode
* command. Flags are defined in 'enum i2400m_bm_cmd_flags'. This
* is synchronous and has to return 0 if ok or < 0 errno code in
* any error condition.
*
* @bus_bm_wait_for_ack: [fill] Function called to wait for a
* boot-mode notification (that can be a response to a previously
* issued command or an asynchronous one). Will read until all the
* indicated size is read or timeout. Reading more or less data
* than asked for is an error condition. Return 0 if ok, < 0 errno
* code on error.
*
* The caller to this function will check if the response is a
* barker that indicates the device going into reset mode.
*
* @bus_fw_name: [fill] name of the firmware image (in most cases,
* they are all the same for a single release, except that they
* have the type of the bus embedded in the name (eg:
* i2400m-fw-X-VERSION.sbcf, where X is the bus name).
*
* @bus_bm_mac_addr_impaired: [fill] Set to true if the device's MAC
* address provided in boot mode is kind of broken and needs to
* be re-read later on.
*
*
* @wimax_dev: WiMAX generic device for linkage into the kernel WiMAX
* stack. Due to the way a net_device is allocated, we need to
* force this to be the first field so that we can get from
* netdev_priv() the right pointer.
*
* @state: device's state (as reported by it)
*
* @state_wq: waitqueue that is woken up whenever the state changes
*
* @tx_lock: spinlock to protect TX members
*
* @tx_buf: FIFO buffer for TX; we queue data here
*
* @tx_in: FIFO index for incoming data. Note this doesn't wrap around
* and it is always greater than @tx_out.
*
* @tx_out: FIFO index for outgoing data
*
* @tx_msg: current TX message that is active in the FIFO for
* appending payloads.
*
* @tx_sequence: current sequence number for TX messages from the
* device to the host.
*
* @tx_msg_size: size of the current message being transmitted by the
* bus-specific code.
*
* @tx_pl_num: total number of payloads sent
*
* @tx_pl_max: maximum number of payloads sent in a TX message
*
* @tx_pl_min: minimum number of payloads sent in a TX message
*
* @tx_num: number of TX messages sent
*
* @tx_size_acc: number of bytes in all TX messages sent
* (this is different to net_dev's statistics as it also counts
* control messages).
*
* @tx_size_min: smallest TX message sent.
*
* @tx_size_max: biggest TX message sent.
*
* @rx_lock: spinlock to protect RX members
*
* @rx_pl_num: total number of payloads received
*
* @rx_pl_max: maximum number of payloads received in a RX message
*
* @rx_pl_min: minimum number of payloads received in a RX message
*
* @rx_num: number of RX messages received
*
* @rx_size_acc: number of bytes in all RX messages received
* (this is different to net_dev's statistics as it also counts
* control messages).
*
* @rx_size_min: smallest RX message received.
*
* @rx_size_max: buggest RX message received.
*
* @init_mutex: Mutex used for serializing the device bringup
* sequence; this way if the device reboots in the middle, we
* don't try to do a bringup again while we are tearing down the
* one that failed.
*
* Can't reuse @msg_mutex because from within the bringup sequence
* we need to send messages to the device and thus use @msg_mutex.
*
* @msg_mutex: mutex used to send control commands to the device (we
* only allow one at a time, per host-device interface design).
*
* @msg_completion: used to wait for an ack to a control command sent
* to the device.
*
* @ack_skb: used to store the actual ack to a control command if the
* reception of the command was successful. Otherwise, a ERR_PTR()
* errno code that indicates what failed with the ack reception.
*
* Only valid after @msg_completion is woken up. Only updateable
* if @msg_completion is armed. Only touched by
* i2400m_msg_to_dev().
*
* Protected by @rx_lock. In theory the command execution flow is
* sequential, but in case the device sends an out-of-phase or
* very delayed response, we need to avoid it trampling current
* execution.
*
* @bm_cmd_buf: boot mode command buffer for composing firmware upload
* commands.
*
* USB can't r/w to stack, vmalloc, etc...as well, we end up
* having to alloc/free a lot to compose commands, so we use these
* for stagging and not having to realloc all the time.
*
* This assumes the code always runs serialized. Only one thread
* can call i2400m_bm_cmd() at the same time.
*
* @bm_ack_buf: boot mode acknoledge buffer for staging reception of
* responses to commands.
*
* See @bm_cmd_buf.
*
* @work_queue: work queue for processing device reports. This
* workqueue cannot be used for processing TX or RX to the device,
* as from it we'll process device reports, which might require
* further communication with the device.
*
* @debugfs_dentry: hookup for debugfs files.
* These have to be in a separate directory, a child of
* (wimax_dev->debugfs_dentry) so they can be removed when the
* module unloads, as we don't keep each dentry.
*/
struct i2400m {
struct wimax_dev wimax_dev; /* FIRST! See doc */
unsigned updown:1; /* Network device is up or down */
unsigned boot_mode:1; /* is the device in boot mode? */
unsigned sboot:1; /* signed or unsigned fw boot */
unsigned ready:1; /* all probing steps done */
u8 trace_msg_from_user; /* echo rx msgs to 'trace' pipe */
/* typed u8 so debugfs/u8 can tweak */
enum i2400m_system_state state;
wait_queue_head_t state_wq; /* Woken up when on state updates */
size_t bus_tx_block_size;
size_t bus_pl_size_max;
int (*bus_dev_start)(struct i2400m *);
void (*bus_dev_stop)(struct i2400m *);
void (*bus_tx_kick)(struct i2400m *);
int (*bus_reset)(struct i2400m *, enum i2400m_reset_type);
ssize_t (*bus_bm_cmd_send)(struct i2400m *,
const struct i2400m_bootrom_header *,
size_t, int flags);
ssize_t (*bus_bm_wait_for_ack)(struct i2400m *,
struct i2400m_bootrom_header *, size_t);
const char *bus_fw_name;
unsigned bus_bm_mac_addr_impaired:1;
spinlock_t tx_lock; /* protect TX state */
void *tx_buf;
size_t tx_in, tx_out;
struct i2400m_msg_hdr *tx_msg;
size_t tx_sequence, tx_msg_size;
/* TX stats */
unsigned tx_pl_num, tx_pl_max, tx_pl_min,
tx_num, tx_size_acc, tx_size_min, tx_size_max;
/* RX stats */
spinlock_t rx_lock; /* protect RX state */
unsigned rx_pl_num, rx_pl_max, rx_pl_min,
rx_num, rx_size_acc, rx_size_min, rx_size_max;
struct mutex msg_mutex; /* serialize command execution */
struct completion msg_completion;
struct sk_buff *ack_skb; /* protected by rx_lock */
void *bm_ack_buf; /* for receiving acks over USB */
void *bm_cmd_buf; /* for issuing commands over USB */
struct workqueue_struct *work_queue;
struct mutex init_mutex; /* protect bringup seq */
struct i2400m_reset_ctx *reset_ctx; /* protected by init_mutex */
struct work_struct wake_tx_ws;
struct sk_buff *wake_tx_skb;
struct dentry *debugfs_dentry;
};
/*
* Initialize a 'struct i2400m' from all zeroes
*
* This is a bus-generic API call.
*/
static inline
void i2400m_init(struct i2400m *i2400m)
{
wimax_dev_init(&i2400m->wimax_dev);
i2400m->boot_mode = 1;
init_waitqueue_head(&i2400m->state_wq);
spin_lock_init(&i2400m->tx_lock);
i2400m->tx_pl_min = UINT_MAX;
i2400m->tx_size_min = UINT_MAX;
spin_lock_init(&i2400m->rx_lock);
i2400m->rx_pl_min = UINT_MAX;
i2400m->rx_size_min = UINT_MAX;
mutex_init(&i2400m->msg_mutex);
init_completion(&i2400m->msg_completion);
mutex_init(&i2400m->init_mutex);
/* wake_tx_ws is initialized in i2400m_tx_setup() */
}
/*
* Bus-generic internal APIs
* -------------------------
*/
static inline
struct i2400m *wimax_dev_to_i2400m(struct wimax_dev *wimax_dev)
{
return container_of(wimax_dev, struct i2400m, wimax_dev);
}
static inline
struct i2400m *net_dev_to_i2400m(struct net_device *net_dev)
{
return wimax_dev_to_i2400m(netdev_priv(net_dev));
}
/*
* Boot mode support
*/
/**
* i2400m_bm_cmd_flags - flags to i2400m_bm_cmd()
*
* @I2400M_BM_CMD_RAW: send the command block as-is, without doing any
* extra processing for adding CRC.
*/
enum i2400m_bm_cmd_flags {
I2400M_BM_CMD_RAW = 1 << 2,
};
/**
* i2400m_bri - Boot-ROM indicators
*
* Flags for i2400m_bootrom_init() and i2400m_dev_bootstrap() [which
* are passed from things like i2400m_setup()]. Can be combined with
* |.
*
* @I2400M_BRI_SOFT: The device rebooted already and a reboot
* barker received, proceed directly to ack the boot sequence.
* @I2400M_BRI_NO_REBOOT: Do not reboot the device and proceed
* directly to wait for a reboot barker from the device.
* @I2400M_BRI_MAC_REINIT: We need to reinitialize the boot
* rom after reading the MAC adress. This is quite a dirty hack,
* if you ask me -- the device requires the bootrom to be
* intialized after reading the MAC address.
*/
enum i2400m_bri {
I2400M_BRI_SOFT = 1 << 1,
I2400M_BRI_NO_REBOOT = 1 << 2,
I2400M_BRI_MAC_REINIT = 1 << 3,
};
extern void i2400m_bm_cmd_prepare(struct i2400m_bootrom_header *);
extern int i2400m_dev_bootstrap(struct i2400m *, enum i2400m_bri);
extern int i2400m_read_mac_addr(struct i2400m *);
extern int i2400m_bootrom_init(struct i2400m *, enum i2400m_bri);
/* Make/grok boot-rom header commands */
static inline
__le32 i2400m_brh_command(enum i2400m_brh_opcode opcode, unsigned use_checksum,
unsigned direct_access)
{
return cpu_to_le32(
I2400M_BRH_SIGNATURE
| (direct_access ? I2400M_BRH_DIRECT_ACCESS : 0)
| I2400M_BRH_RESPONSE_REQUIRED /* response always required */
| (use_checksum ? I2400M_BRH_USE_CHECKSUM : 0)
| (opcode & I2400M_BRH_OPCODE_MASK));
}
static inline
void i2400m_brh_set_opcode(struct i2400m_bootrom_header *hdr,
enum i2400m_brh_opcode opcode)
{
hdr->command = cpu_to_le32(
(le32_to_cpu(hdr->command) & ~I2400M_BRH_OPCODE_MASK)
| (opcode & I2400M_BRH_OPCODE_MASK));
}
static inline
unsigned i2400m_brh_get_opcode(const struct i2400m_bootrom_header *hdr)
{
return le32_to_cpu(hdr->command) & I2400M_BRH_OPCODE_MASK;
}
static inline
unsigned i2400m_brh_get_response(const struct i2400m_bootrom_header *hdr)
{
return (le32_to_cpu(hdr->command) & I2400M_BRH_RESPONSE_MASK)
>> I2400M_BRH_RESPONSE_SHIFT;
}
static inline
unsigned i2400m_brh_get_use_checksum(const struct i2400m_bootrom_header *hdr)
{
return le32_to_cpu(hdr->command) & I2400M_BRH_USE_CHECKSUM;
}
static inline
unsigned i2400m_brh_get_response_required(
const struct i2400m_bootrom_header *hdr)
{
return le32_to_cpu(hdr->command) & I2400M_BRH_RESPONSE_REQUIRED;
}
static inline
unsigned i2400m_brh_get_direct_access(const struct i2400m_bootrom_header *hdr)
{
return le32_to_cpu(hdr->command) & I2400M_BRH_DIRECT_ACCESS;
}
static inline
unsigned i2400m_brh_get_signature(const struct i2400m_bootrom_header *hdr)
{
return (le32_to_cpu(hdr->command) & I2400M_BRH_SIGNATURE_MASK)
>> I2400M_BRH_SIGNATURE_SHIFT;
}
/*
* Driver / device setup and internal functions
*/
extern void i2400m_netdev_setup(struct net_device *net_dev);
extern int i2400m_tx_setup(struct i2400m *);
extern void i2400m_wake_tx_work(struct work_struct *);
extern void i2400m_tx_release(struct i2400m *);
extern void i2400m_net_rx(struct i2400m *, struct sk_buff *, unsigned,
const void *, int);
enum i2400m_pt;
extern int i2400m_tx(struct i2400m *, const void *, size_t, enum i2400m_pt);
#ifdef CONFIG_DEBUG_FS
extern int i2400m_debugfs_add(struct i2400m *);
extern void i2400m_debugfs_rm(struct i2400m *);
#else
static inline int i2400m_debugfs_add(struct i2400m *i2400m)
{
return 0;
}
static inline void i2400m_debugfs_rm(struct i2400m *i2400m) {}
#endif
/* Called by _dev_start()/_dev_stop() to initialize the device itself */
extern int i2400m_dev_initialize(struct i2400m *);
extern void i2400m_dev_shutdown(struct i2400m *);
extern struct attribute_group i2400m_dev_attr_group;
extern int i2400m_schedule_work(struct i2400m *,
void (*)(struct work_struct *), gfp_t);
/* HDI message's payload description handling */
static inline
size_t i2400m_pld_size(const struct i2400m_pld *pld)
{
return I2400M_PLD_SIZE_MASK & le32_to_cpu(pld->val);
}
static inline
enum i2400m_pt i2400m_pld_type(const struct i2400m_pld *pld)
{
return (I2400M_PLD_TYPE_MASK & le32_to_cpu(pld->val))
>> I2400M_PLD_TYPE_SHIFT;
}
static inline
void i2400m_pld_set(struct i2400m_pld *pld, size_t size,
enum i2400m_pt type)
{
pld->val = cpu_to_le32(
((type << I2400M_PLD_TYPE_SHIFT) & I2400M_PLD_TYPE_MASK)
| (size & I2400M_PLD_SIZE_MASK));
}
/*
* API for the bus-specific drivers
* --------------------------------
*/
static inline
struct i2400m *i2400m_get(struct i2400m *i2400m)
{
dev_hold(i2400m->wimax_dev.net_dev);
return i2400m;
}
static inline
void i2400m_put(struct i2400m *i2400m)
{
dev_put(i2400m->wimax_dev.net_dev);
}
extern int i2400m_dev_reset_handle(struct i2400m *);
/*
* _setup()/_release() are called by the probe/disconnect functions of
* the bus-specific drivers.
*/
extern int i2400m_setup(struct i2400m *, enum i2400m_bri bm_flags);
extern void i2400m_release(struct i2400m *);
extern int i2400m_rx(struct i2400m *, struct sk_buff *);
extern struct i2400m_msg_hdr *i2400m_tx_msg_get(struct i2400m *, size_t *);
extern void i2400m_tx_msg_sent(struct i2400m *);
static const __le32 i2400m_NBOOT_BARKER[4] = {
__constant_cpu_to_le32(I2400M_NBOOT_BARKER),
__constant_cpu_to_le32(I2400M_NBOOT_BARKER),
__constant_cpu_to_le32(I2400M_NBOOT_BARKER),
__constant_cpu_to_le32(I2400M_NBOOT_BARKER)
};
static const __le32 i2400m_SBOOT_BARKER[4] = {
__constant_cpu_to_le32(I2400M_SBOOT_BARKER),
__constant_cpu_to_le32(I2400M_SBOOT_BARKER),
__constant_cpu_to_le32(I2400M_SBOOT_BARKER),
__constant_cpu_to_le32(I2400M_SBOOT_BARKER)
};
/*
* Utility functions
*/
static inline
struct device *i2400m_dev(struct i2400m *i2400m)
{
return i2400m->wimax_dev.net_dev->dev.parent;
}
/*
* Helper for scheduling simple work functions
*
* This struct can get any kind of payload attached (normally in the
* form of a struct where you pack the stuff you want to pass to the
* _work function).
*/
struct i2400m_work {
struct work_struct ws;
struct i2400m *i2400m;
u8 pl[0];
};
extern int i2400m_queue_work(struct i2400m *,
void (*)(struct work_struct *), gfp_t,
const void *, size_t);
extern int i2400m_msg_check_status(const struct i2400m_l3l4_hdr *,
char *, size_t);
extern int i2400m_msg_size_check(struct i2400m *,
const struct i2400m_l3l4_hdr *, size_t);
extern struct sk_buff *i2400m_msg_to_dev(struct i2400m *, const void *, size_t);
extern void i2400m_msg_to_dev_cancel_wait(struct i2400m *, int);
extern void i2400m_msg_ack_hook(struct i2400m *,
const struct i2400m_l3l4_hdr *, size_t);
extern void i2400m_report_hook(struct i2400m *,
const struct i2400m_l3l4_hdr *, size_t);
extern int i2400m_cmd_enter_powersave(struct i2400m *);
extern int i2400m_cmd_get_state(struct i2400m *);
extern int i2400m_cmd_exit_idle(struct i2400m *);
extern struct sk_buff *i2400m_get_device_info(struct i2400m *);
extern int i2400m_firmware_check(struct i2400m *);
extern int i2400m_set_init_config(struct i2400m *,
const struct i2400m_tlv_hdr **, size_t);
static inline
struct usb_endpoint_descriptor *usb_get_epd(struct usb_interface *iface, int ep)
{
return &iface->cur_altsetting->endpoint[ep].desc;
}
extern int i2400m_op_rfkill_sw_toggle(struct wimax_dev *,
enum wimax_rf_state);
extern void i2400m_report_tlv_rf_switches_status(
struct i2400m *, const struct i2400m_tlv_rf_switches_status *);
/*
* Do a millisecond-sleep for allowing wireshark to dump all the data
* packets. Used only for debugging.
*/
static inline
void __i2400m_msleep(unsigned ms)
{
#if 1
#else
msleep(ms);
#endif
}
/* Module parameters */
extern int i2400m_idle_mode_disabled;
#endif /* #ifndef __I2400M_H__ */